From 70684a3dc863fb381c51b67c11f14c539b2a5384 Mon Sep 17 00:00:00 2001 From: vasil <> Date: Tue, 19 Feb 2008 14:21:05 +0000 Subject: [PATCH 002/400] branches/innodb+: Fix Bug#25640: Introduce an user visible parameter innodb_stats_sample (default 8, min 1, max 1000) and use that parameter instead of the BTR_KEY_VAL_ESTIMATE_N_PAGES macro. Remove this macro. Approved by: Heikki --- btr/btr0cur.c | 22 +++++++++------------- handler/ha_innodb.cc | 7 +++++++ include/srv0srv.h | 5 +++++ srv/srv0srv.c | 4 ++++ 4 files changed, 25 insertions(+), 13 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 70e5481b223..1e5f84ccb5f 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -55,10 +55,6 @@ can be released by page reorganize, then it is reorganized */ #define BTR_CUR_PAGE_REORGANIZE_LIMIT (UNIV_PAGE_SIZE / 32) -/* When estimating number of different key values in an index, sample -this many index pages */ -#define BTR_KEY_VAL_ESTIMATE_N_PAGES 8 - /* The structure of a BLOB part header */ /*--------------------------------------*/ #define BTR_BLOB_HDR_PART_LEN 0 /* BLOB part len on this @@ -3174,7 +3170,7 @@ btr_estimate_number_of_different_key_vals( /* We sample some pages in the index to get an estimate */ - for (i = 0; i < BTR_KEY_VAL_ESTIMATE_N_PAGES; i++) { + for (i = 0; i < srv_stats_sample; i++) { rec_t* supremum; mtr_start(&mtr); @@ -3263,7 +3259,7 @@ btr_estimate_number_of_different_key_vals( } /* If we saw k borders between different key values on - BTR_KEY_VAL_ESTIMATE_N_PAGES leaf pages, we can estimate how many + srv_stats_sample leaf pages, we can estimate how many there will be in index->stat_n_leaf_pages */ /* We must take into account that our sample actually represents @@ -3274,26 +3270,26 @@ btr_estimate_number_of_different_key_vals( index->stat_n_diff_key_vals[j] = ((n_diff[j] * (ib_longlong)index->stat_n_leaf_pages - + BTR_KEY_VAL_ESTIMATE_N_PAGES - 1 + + srv_stats_sample - 1 + total_external_size + not_empty_flag) - / (BTR_KEY_VAL_ESTIMATE_N_PAGES + / (srv_stats_sample + total_external_size)); /* If the tree is small, smaller than - 10 * BTR_KEY_VAL_ESTIMATE_N_PAGES + total_external_size, then + 10 * srv_stats_sample + total_external_size, then the above estimate is ok. For bigger trees it is common that we do not see any borders between key values in the few pages - we pick. But still there may be BTR_KEY_VAL_ESTIMATE_N_PAGES + we pick. But still there may be srv_stats_sample different key values, or even more. Let us try to approximate that: */ add_on = index->stat_n_leaf_pages - / (10 * (BTR_KEY_VAL_ESTIMATE_N_PAGES + / (10 * (srv_stats_sample + total_external_size)); - if (add_on > BTR_KEY_VAL_ESTIMATE_N_PAGES) { - add_on = BTR_KEY_VAL_ESTIMATE_N_PAGES; + if (add_on > srv_stats_sample) { + add_on = srv_stats_sample; } index->stat_n_diff_key_vals[j] += add_on; diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index a07a8f60763..803c1b5c21c 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -8420,6 +8420,12 @@ static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, "How many files at the maximum InnoDB keeps open at the same time.", NULL, NULL, 300L, 10L, ~0L, 0); +static MYSQL_SYSVAR_ULONG(stats_sample, srv_stats_sample, + PLUGIN_VAR_OPCMDARG, + "When estimating number of different key values in an index, sample " + "this many index pages", + NULL, NULL, SRV_STATS_SAMPLE_DEFAULT, 1, 1000, 0); + static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, PLUGIN_VAR_RQCMDARG, "Count of spin-loop rounds in InnoDB mutexes", @@ -8486,6 +8492,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(stats_on_metadata), MYSQL_SYSVAR(adaptive_hash_index), MYSQL_SYSVAR(replication_delay), + MYSQL_SYSVAR(stats_sample), MYSQL_SYSVAR(status_file), MYSQL_SYSVAR(support_xa), MYSQL_SYSVAR(sync_spin_loops), diff --git a/include/srv0srv.h b/include/srv0srv.h index a2da659c46d..0ca7b126ef9 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -128,6 +128,11 @@ extern ibool srv_innodb_status; extern ibool srv_stats_on_metadata; +/* When estimating number of different key values in an index, sample +this many index pages */ +#define SRV_STATS_SAMPLE_DEFAULT 8 +extern ulong srv_stats_sample; + extern ibool srv_use_doublewrite_buf; extern ibool srv_use_checksums; diff --git a/srv/srv0srv.c b/srv/srv0srv.c index e29975239ac..baadb4b4252 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -291,6 +291,10 @@ UNIV_INTERN ibool srv_innodb_status = FALSE; UNIV_INTERN ibool srv_stats_on_metadata = TRUE; +/* When estimating number of different key values in an index, sample +this many index pages */ +UNIV_INTERN ulong srv_stats_sample = SRV_STATS_SAMPLE_DEFAULT; + UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; UNIV_INTERN ibool srv_use_checksums = TRUE; From 8c24ad9e552b0112d6122fee5b8e1a429f4569df Mon Sep 17 00:00:00 2001 From: sunny <> Date: Wed, 27 Feb 2008 06:50:51 +0000 Subject: [PATCH 003/400] branches/innodb+: Merge revisions 2315:2322 from branches/zip --- handler/i_s.cc | 11 ++++++ ibuf/ibuf0ibuf.c | 14 ++++++-- include/db0err.h | 16 ++++----- include/ibuf0ibuf.h | 4 +-- page/page0zip.c | 83 ++++++++++++++++++++++++++++++++++++++++----- 5 files changed, 108 insertions(+), 20 deletions(-) diff --git a/handler/i_s.cc b/handler/i_s.cc index 01a21180f63..c37a26935da 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -1033,6 +1033,14 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = STRUCT_FLD(old_name, "Currently in Use"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "free"), + STRUCT_FLD(field_length, 21), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently Available"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + END_OF_ST_FIELD_INFO }; @@ -1096,6 +1104,9 @@ i_s_zip_fill_low( table->field[4]->store(0); } table->field[5]->store(buf_buddy_used[x]); + table->field[6]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) + ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) + : 0); if (schema_table_store_record(thd, table)) { status = 1; diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 00c804247ba..118857e7e0e 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -955,8 +955,8 @@ UNIV_INTERN void ibuf_update_free_bits_zip( /*======================*/ - const buf_block_t* block, /* in: index page */ - mtr_t* mtr) /* in/out: mtr */ + buf_block_t* block, /* in/out: index page */ + mtr_t* mtr) /* in/out: mtr */ { page_t* bitmap_page; ulint space; @@ -974,6 +974,16 @@ ibuf_update_free_bits_zip( bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); after = ibuf_index_page_calc_free_zip(zip_size, block); + + if (after == 0) { + /* We move the page to the front of the buffer pool LRU list: + the purpose of this is to prevent those pages to which we + cannot make inserts using the insert buffer from slipping + out of the buffer pool */ + + buf_page_make_young(&block->page); + } + ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, after, mtr); } diff --git a/include/db0err.h b/include/db0err.h index e031c54140a..bbf57ce1bb2 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -25,7 +25,7 @@ enum db_err { DB_MISSING_HISTORY, /* required history data has been deleted due to lack of space in rollback segment */ - DB_CLUSTER_NOT_FOUND, + DB_CLUSTER_NOT_FOUND = 30, DB_TABLE_NOT_FOUND, DB_MUST_GET_MORE_FILE_SPACE, /* the database has to be stopped and restarted with more file space */ @@ -67,23 +67,23 @@ enum db_err { preconfigured undo slots, this can only happen when there are too many concurrent transactions */ - DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY - was found to be NULL */ - DB_TABLE_ZIP_NO_IBD, /* trying to create a compressed - table in the system tablespace */ - DB_UNSUPPORTED, /* when InnoDB sees any artefact or a feature that it can't recoginize or work with e.g., FT indexes created by a later version of the engine. */ + DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY + was found to be NULL */ + DB_TABLE_ZIP_NO_IBD, /* trying to create a compressed + table in the system tablespace */ + /* The following are partial failure codes */ - DB_FAIL, + DB_FAIL = 1000, DB_OVERFLOW, DB_UNDERFLOW, DB_STRONG_FAIL, DB_ZIP_OVERFLOW, - DB_RECORD_NOT_FOUND, + DB_RECORD_NOT_FOUND = 1500, DB_END_OF_INDEX }; diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index b7b54a77a65..3c76532f130 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -110,8 +110,8 @@ UNIV_INTERN void ibuf_update_free_bits_zip( /*======================*/ - const buf_block_t* block, /* in: index page */ - mtr_t* mtr); /* in/out: mtr */ + buf_block_t* block, /* in/out: index page */ + mtr_t* mtr); /* in/out: mtr */ /************************************************************************** Updates the free bits for the two pages to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually diff --git a/page/page0zip.c b/page/page0zip.c index 1fd005f4924..692e791b23d 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -658,10 +658,19 @@ page_zip_set_alloc( strm->opaque = heap; } -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +#if 0 || defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +# define PAGE_ZIP_COMPRESS_DBG +#endif + +#ifdef PAGE_ZIP_COMPRESS_DBG /* Set this variable in a debugger to enable excessive logging in page_zip_compress(). */ UNIV_INTERN ibool page_zip_compress_dbg; +/* Set this variable in a debugger to enable +binary logging of the data passed to deflate(). +When this variable is nonzero, it will act +as a log file name generator. */ +UNIV_INTERN unsigned page_zip_compress_log; /************************************************************************** Wrapper for deflate(). Log the operation if page_zip_compress_dbg is set. */ @@ -669,6 +678,7 @@ static ibool page_zip_compress_deflate( /*======================*/ + FILE* logfile,/* in: log file, or NULL */ z_streamp strm, /* in/out: compressed stream for deflate() */ int flush) /* in: deflate() flushing method */ { @@ -676,6 +686,9 @@ page_zip_compress_deflate( if (UNIV_UNLIKELY(page_zip_compress_dbg)) { ut_print_buf(stderr, strm->next_in, strm->avail_in); } + if (UNIV_LIKELY_NULL(logfile)) { + fwrite(strm->next_in, 1, strm->avail_in, logfile); + } status = deflate(strm, flush); if (UNIV_UNLIKELY(page_zip_compress_dbg)) { fprintf(stderr, " -> %d\n", status); @@ -685,8 +698,13 @@ page_zip_compress_deflate( /* Redefine deflate(). */ # undef deflate -# define deflate page_zip_compress_deflate -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +# define deflate(strm, flush) page_zip_compress_deflate(logfile, strm, flush) +# define FILE_LOGFILE FILE* logfile, +# define LOGFILE logfile, +#else /* PAGE_ZIP_COMPRESS_DBG */ +# define FILE_LOGFILE +# define LOGFILE +#endif /* PAGE_ZIP_COMPRESS_DBG */ /************************************************************************** Compress the records of a node pointer page. */ @@ -695,6 +713,7 @@ int page_zip_compress_node_ptrs( /*========================*/ /* out: Z_OK, or a zlib error code */ + FILE_LOGFILE z_stream* c_stream, /* in/out: compressed page stream */ const rec_t** recs, /* in: dense page directory sorted by address */ @@ -759,6 +778,7 @@ int page_zip_compress_sec( /*==================*/ /* out: Z_OK, or a zlib error code */ + FILE_LOGFILE z_stream* c_stream, /* in/out: compressed page stream */ const rec_t** recs, /* in: dense page directory sorted by address */ @@ -803,6 +823,7 @@ int page_zip_compress_clust_ext( /*========================*/ /* out: Z_OK, or a zlib error code */ + FILE_LOGFILE z_stream* c_stream, /* in/out: compressed page stream */ const rec_t* rec, /* in: record */ const ulint* offsets, /* in: rec_get_offsets(rec) */ @@ -929,6 +950,7 @@ int page_zip_compress_clust( /*====================*/ /* out: Z_OK, or a zlib error code */ + FILE_LOGFILE z_stream* c_stream, /* in/out: compressed page stream */ const rec_t** recs, /* in: dense page directory sorted by address */ @@ -986,6 +1008,7 @@ page_zip_compress_clust( ut_ad(dict_index_is_clust(index)); err = page_zip_compress_clust_ext( + LOGFILE c_stream, rec, offsets, trx_id_col, deleted, storage, &externs, n_blobs); @@ -1081,6 +1104,9 @@ page_zip_compress( ulint* offsets = NULL; ulint n_blobs = 0; byte* storage;/* storage of uncompressed columns */ +#ifdef PAGE_ZIP_COMPRESS_DBG + FILE* logfile = NULL; +#endif ut_a(page_is_comp(page)); ut_a(fil_page_get_type(page) == FIL_PAGE_INDEX); @@ -1113,18 +1139,41 @@ page_zip_compress( /* The dense directory excludes the infimum and supremum records. */ n_dense = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +#ifdef PAGE_ZIP_COMPRESS_DBG if (UNIV_UNLIKELY(page_zip_compress_dbg)) { fprintf(stderr, "compress %p %p %lu %lu %lu\n", (void*) page_zip, (void*) page, page_is_leaf(page), n_fields, n_dense); } -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + if (UNIV_UNLIKELY(page_zip_compress_log)) { + /* Create a log file for every compression attempt. */ + char logfilename[9]; + ut_snprintf(logfilename, sizeof logfilename, + "%08x", page_zip_compress_log++); + logfile = fopen(logfilename, "wb"); + + if (logfile) { + /* Write the uncompressed page to the log. */ + fwrite(page, 1, UNIV_PAGE_SIZE, logfile); + /* Record the compressed size as zero. + This will be overwritten at successful exit. */ + putc(0, logfile); + putc(0, logfile); + putc(0, logfile); + putc(0, logfile); + } + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ page_zip_compress_count[page_zip->ssize]++; if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE >= page_zip_get_size(page_zip))) { +#ifdef PAGE_ZIP_COMPRESS_DBG + if (logfile) { + fclose(logfile); + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ return(FALSE); } @@ -1208,20 +1257,23 @@ page_zip_compress( if (UNIV_UNLIKELY(!n_dense)) { } else if (!page_is_leaf(page)) { /* This is a node pointer page. */ - err = page_zip_compress_node_ptrs(&c_stream, recs, n_dense, + err = page_zip_compress_node_ptrs(LOGFILE + &c_stream, recs, n_dense, index, storage, heap); if (UNIV_UNLIKELY(err != Z_OK)) { goto zlib_error; } } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { /* This is a leaf page in a secondary index. */ - err = page_zip_compress_sec(&c_stream, recs, n_dense); + err = page_zip_compress_sec(LOGFILE + &c_stream, recs, n_dense); if (UNIV_UNLIKELY(err != Z_OK)) { goto zlib_error; } } else { /* This is a leaf page in a clustered index. */ - err = page_zip_compress_clust(&c_stream, recs, n_dense, + err = page_zip_compress_clust(LOGFILE + &c_stream, recs, n_dense, index, &n_blobs, trx_id_col, buf_end - PAGE_ZIP_DIR_SLOT_SIZE * page_get_n_recs(page), @@ -1248,6 +1300,11 @@ page_zip_compress( zlib_error: deflateEnd(&c_stream); mem_heap_free(heap); +#ifdef PAGE_ZIP_COMPRESS_DBG + if (logfile) { + fclose(logfile); + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ return(FALSE); } @@ -1295,6 +1352,16 @@ zlib_error: UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); +#ifdef PAGE_ZIP_COMPRESS_DBG + if (logfile) { + /* Record the compressed size of the block. */ + byte sz[4]; + mach_write_to_4(sz, c_stream.total_out); + fseek(logfile, UNIV_PAGE_SIZE, SEEK_SET); + fwrite(sz, 1, sizeof sz, logfile); + fclose(logfile); + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ return(TRUE); } From 35d626f098f0cc930ae696e0d31e6f33b219fcb6 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Wed, 27 Feb 2008 07:03:34 +0000 Subject: [PATCH 004/400] branches/innodb+: Delete buffer port from branches/fts:r2283 --- btr/btr0btr.c | 15 +- btr/btr0cur.c | 452 +++++++---- buf/buf0buddy.c | 24 +- buf/buf0buf.c | 132 +++- buf/buf0lru.c | 2 +- fil/fil0fil.c | 54 +- fsp/fsp0fsp.c | 8 +- ibuf/ibuf0ibuf.c | 1740 ++++++++++++++++++++++++++---------------- include/btr0btr.h | 15 + include/btr0btr.ic | 6 +- include/btr0cur.h | 47 +- include/btr0pcur.h | 10 + include/btr0pcur.ic | 22 + include/buf0buf.h | 42 +- include/fil0fil.h | 16 - include/ibuf0ibuf.h | 74 +- include/ibuf0ibuf.ic | 55 +- include/ibuf0types.h | 1 - include/row0row.h | 3 + include/univ.i | 6 + row/row0purge.c | 133 +++- row/row0row.c | 36 +- row/row0uins.c | 2 +- row/row0umod.c | 4 +- row/row0upd.c | 100 ++- 25 files changed, 1956 insertions(+), 1043 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index f4e60ecfdd8..f90f43e4245 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -558,6 +558,7 @@ btr_page_get_father_node_ptr( its page x-latched */ mtr_t* mtr) /* in: mtr */ { + page_t* page; dtuple_t* tuple; rec_t* user_rec; rec_t* node_ptr; @@ -574,7 +575,19 @@ btr_page_get_father_node_ptr( ut_ad(dict_index_get_page(index) != page_no); level = btr_page_get_level(btr_cur_get_page(cursor), mtr); - user_rec = btr_cur_get_rec(cursor); + + page = btr_cur_get_page(cursor); + + if (UNIV_UNLIKELY(page_get_n_recs(page) == 0)) { + /* Empty pages can result from buffered delete operations. + The first record from the free list can be used to find the + father node. */ + user_rec = page_header_get_ptr(page, PAGE_FREE); + ut_a(user_rec); + } else { + user_rec = btr_cur_get_rec(cursor); + } + ut_a(page_rec_is_user_rec(user_rec)); tuple = dict_index_build_node_ptr(index, user_rec, 0, heap, level); diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 1e5f84ccb5f..4a488236651 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -39,6 +39,14 @@ Created 10/16/1994 Heikki Tuuri #include "lock0lock.h" #include "zlib.h" +/* Btree operation types, introduced as part of delete buffering. */ +typedef enum btr_op_enum { + BTR_NO_OP = 0, + BTR_INSERT_OP, + BTR_DELETE_OP, + BTR_DELMARK_OP +} btr_op_t; + #ifdef UNIV_DEBUG /* If the following is set to TRUE, this module prints a lot of trace information of individual record operations */ @@ -139,6 +147,8 @@ btr_rec_get_externally_stored_len( rec_t* rec, /* in: record */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ + + /********************************************************** The following function is used to set the deleted bit of a record. */ UNIV_INLINE @@ -148,7 +158,7 @@ btr_rec_set_deleted_flag( /* out: TRUE on success; FALSE on page_zip overflow */ rec_t* rec, /* in/out: physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ + page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ ulint flag) /* in: nonzero if delete marked */ { if (page_rec_is_comp(rec)) { @@ -306,25 +316,29 @@ btr_cur_search_to_nth_level( RW_S_LATCH, or 0 */ mtr_t* mtr) /* in: mtr */ { - page_cur_t* page_cursor; page_t* page; + buf_block_t* block; + ulint space; buf_block_t* guess; + ulint height; rec_t* node_ptr; ulint page_no; - ulint space; ulint up_match; ulint up_bytes; ulint low_match; ulint low_bytes; - ulint height; ulint savepoint; ulint rw_latch; ulint page_mode; - ulint insert_planned; ulint buf_mode; ulint estimate; + ulint zip_size; + ulint watch_leaf; + page_cur_t* page_cursor; ulint ignore_sec_unique; + btr_op_t btr_op = BTR_NO_OP; ulint root_height = 0; /* remove warning */ + #ifdef BTR_CUR_ADAPT btr_search_t* info; #endif @@ -344,17 +358,38 @@ btr_cur_search_to_nth_level( cursor->up_match = ULINT_UNDEFINED; cursor->low_match = ULINT_UNDEFINED; #endif - insert_planned = latch_mode & BTR_INSERT; + + /* This flags are mutually exclusive, they are lumped together + with the latch mode for historical reasons. It's possible for + none of the flags to be set. */ + if (latch_mode & BTR_INSERT) { + btr_op = BTR_INSERT_OP; + } else if (latch_mode & BTR_DELETE) { + btr_op = BTR_DELETE_OP; + } else if (latch_mode & BTR_DELETE_MARK) { + btr_op = BTR_DELMARK_OP; + } + + watch_leaf = latch_mode & BTR_WATCH_LEAF; + estimate = latch_mode & BTR_ESTIMATE; ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE; - latch_mode = latch_mode & ~(BTR_INSERT | BTR_ESTIMATE - | BTR_IGNORE_SEC_UNIQUE); - ut_ad(!insert_planned || (mode == PAGE_CUR_LE)); + /* Turn the flags unrelated to the latch mode off. */ + latch_mode &= ~( + BTR_INSERT + | BTR_DELETE_MARK + | BTR_DELETE + | BTR_ESTIMATE + | BTR_IGNORE_SEC_UNIQUE + | BTR_WATCH_LEAF); cursor->flag = BTR_CUR_BINARY; cursor->index = index; + cursor->leaf_in_buf_pool = FALSE; + cursor->ibuf_cnt = ULINT_UNDEFINED; + #ifndef BTR_CUR_ADAPT guess = NULL; #else @@ -367,9 +402,17 @@ btr_cur_search_to_nth_level( #ifdef UNIV_SEARCH_PERF_STAT info->n_searches++; #endif + + /* TODO: investigate if there is any real reason for forbidding + adaptive hash usage when watch_leaf is true.*/ + + /* Ibuf does not use adaptive hash; this is prevented by the + latch_mode check below. */ if (btr_search_latch.writer == RW_LOCK_NOT_LOCKED - && latch_mode <= BTR_MODIFY_LEAF && info->last_hash_succ + && latch_mode <= BTR_MODIFY_LEAF + && info->last_hash_succ && !estimate + && !watch_leaf #ifdef PAGE_CUR_LE_OR_EXTENDS && mode != PAGE_CUR_LE_OR_EXTENDS #endif /* PAGE_CUR_LE_OR_EXTENDS */ @@ -390,8 +433,9 @@ btr_cur_search_to_nth_level( return; } -#endif -#endif +#endif /* BTR_CUR_HASH_ADAPT */ +#endif /* BTR_CUR_ADAPT */ + btr_cur_n_non_sea++; /* If the hash search did not succeed, do binary search down the @@ -456,154 +500,228 @@ btr_cur_search_to_nth_level( /* Loop and search until we arrive at the desired level */ - for (;;) { - ulint zip_size; - buf_block_t* block; -retry_page_get: - zip_size = dict_table_zip_size(index->table); +search_loop: - block = buf_page_get_gen(space, zip_size, page_no, - rw_latch, guess, buf_mode, - __FILE__, __LINE__, - mtr); - if (block == NULL) { - /* This must be a search to perform an insert; - try insert to the insert buffer */ + if (height == 0) { - ut_ad(buf_mode == BUF_GET_IF_IN_POOL); - ut_ad(insert_planned); - ut_ad(cursor->thr); - - if (ibuf_should_try(index, ignore_sec_unique) - && ibuf_insert(tuple, index, space, zip_size, - page_no, cursor->thr)) { - /* Insertion to the insert buffer succeeded */ - cursor->flag = BTR_CUR_INSERT_TO_IBUF; - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - goto func_exit; - } - - /* Insert to the insert buffer did not succeed: - retry page get */ - - buf_mode = BUF_GET; - - goto retry_page_get; - } - - page = buf_block_get_frame(block); -#ifdef UNIV_ZIP_DEBUG - if (rw_latch != RW_NO_LATCH) { - const page_zip_des_t* page_zip - = buf_block_get_page_zip(block); - ut_a(!page_zip || page_zip_validate(page_zip, page)); - } -#endif /* UNIV_ZIP_DEBUG */ - - block->check_index_page_at_flush = TRUE; - -#ifdef UNIV_SYNC_DEBUG - if (rw_latch != RW_NO_LATCH) { - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - } -#endif - ut_ad(0 == ut_dulint_cmp(index->id, - btr_page_get_index_id(page))); - - if (UNIV_UNLIKELY(height == ULINT_UNDEFINED)) { - /* We are in the root node */ - - height = btr_page_get_level(page, mtr); - root_height = height; - cursor->tree_height = root_height + 1; -#ifdef BTR_CUR_ADAPT - if (block != guess) { - info->root_guess = block; - } -#endif - } - - if (height == 0) { - if (rw_latch == RW_NO_LATCH) { - - btr_cur_latch_leaves(page, space, zip_size, - page_no, latch_mode, - cursor, mtr); - } - - if ((latch_mode != BTR_MODIFY_TREE) - && (latch_mode != BTR_CONT_MODIFY_TREE)) { - - /* Release the tree s-latch */ - - mtr_release_s_latch_at_savepoint( - mtr, savepoint, - dict_index_get_lock(index)); - } - - page_mode = mode; - } - - page_cur_search_with_match(block, index, tuple, page_mode, - &up_match, &up_bytes, - &low_match, &low_bytes, - page_cursor); - - if (estimate) { - btr_cur_add_path_info(cursor, height, root_height); - } - - /* If this is the desired level, leave the loop */ - - ut_ad(height == btr_page_get_level( - page_cur_get_page(page_cursor), mtr)); - - if (level == height) { - - if (level > 0) { - /* x-latch the page */ - page = btr_page_get(space, zip_size, - page_no, RW_X_LATCH, mtr); - ut_a((ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - } - - break; - } - - ut_ad(height > 0); - - height--; - - if ((height == 0) && (latch_mode <= BTR_MODIFY_LEAF)) { + if (watch_leaf) { + buf_mode = BUF_GET_IF_IN_POOL; + } else if (latch_mode <= BTR_MODIFY_LEAF) { rw_latch = latch_mode; - if (insert_planned + if (btr_op != BTR_NO_OP && ibuf_should_try(index, ignore_sec_unique)) { - /* Try insert to the insert buffer if the - page is not in the buffer pool */ + /* Try insert/delete mark/delete to the + insert/delete buffer if the page is not in + the buffer pool */ buf_mode = BUF_GET_IF_IN_POOL; } } - - guess = NULL; - - node_ptr = page_cur_get_rec(page_cursor); - offsets = rec_get_offsets(node_ptr, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); } - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); +retry_page_get: + zip_size = dict_table_zip_size(index->table); + + if (watch_leaf && height == 0) { + ut_a(buf_mode == BUF_GET_IF_IN_POOL); + + buf_mode = BUF_GET_IF_IN_POOL_OR_WATCH; } + block = buf_page_get_gen( + space, zip_size, page_no, rw_latch, guess, buf_mode, + __FILE__, __LINE__, mtr); + + if (watch_leaf && height == 0) { + cursor->leaf_in_buf_pool = !!block; + + /* We didn't find a page but we set a watch on it. */ + if (block == NULL) { + cursor->flag = BTR_CUR_ABORTED; + + goto func_exit; + } + } + + if (block == NULL) { + /* This must be a search to perform an insert/delete + mark/ delete; try using the insert/delete buffer */ + + ut_ad(buf_mode == BUF_GET_IF_IN_POOL); + ut_ad(cursor->thr); + + if (ibuf_should_try(index, ignore_sec_unique)) { + + switch (btr_op) { + case BTR_INSERT_OP: + if (ibuf_insert(IBUF_OP_INSERT, tuple, index, + space, zip_size, page_no, + cursor->thr)) { + + cursor->flag = BTR_CUR_INSERT_TO_IBUF; + + goto func_exit; + } + break; + + case BTR_DELMARK_OP: + if (ibuf_insert(IBUF_OP_DELETE_MARK, tuple, + index, space, zip_size, + page_no, cursor->thr)) { + + cursor->flag = BTR_CUR_DEL_MARK_IBUF; + + goto func_exit; + } + + break; + + case BTR_DELETE_OP: + if (ibuf_insert(IBUF_OP_DELETE, tuple, index, + space, zip_size, page_no, + cursor->thr)) { + + cursor->flag = BTR_CUR_DELETE_IBUF; + + goto func_exit; + } + + break; + default: + ut_error; + } + } + + /* Insert to the insert/delete buffer did not succeed, we + must read the page from disk. */ + + buf_mode = BUF_GET; + + goto retry_page_get; + } + + block->check_index_page_at_flush = TRUE; + page = buf_block_get_frame(block); + +#ifdef UNIV_ZIP_DEBUG + if (rw_latch != RW_NO_LATCH) { + const page_zip_des_t* page_zip; + + page_zip = buf_block_get_page_zip(block); + + ut_a(!page_zip || page_zip_validate(page_zip, page)); + } +#endif /* UNIV_ZIP_DEBUG */ + +#ifdef UNIV_SYNC_DEBUG + if (rw_latch != RW_NO_LATCH) { + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + } +#endif + ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); + + if (UNIV_UNLIKELY(height == ULINT_UNDEFINED)) { + /* We are in the root node */ + + height = btr_page_get_level(page, mtr); + root_height = height; + cursor->tree_height = root_height + 1; + + /* 1-level trees must be handled here + for BTR_WATCH_LEAF. */ + if (watch_leaf && height == 0) { + cursor->leaf_in_buf_pool = TRUE; + } +#ifdef BTR_CUR_ADAPT + if (block != guess) { + info->root_guess = block; + } +#endif + } + + if (height == 0) { + if (rw_latch == RW_NO_LATCH) { + + btr_cur_latch_leaves( + page, space, zip_size, page_no, latch_mode, + cursor, mtr); + } + + if (latch_mode != BTR_MODIFY_TREE + && latch_mode != BTR_CONT_MODIFY_TREE) { + + /* Release the tree s-latch */ + + mtr_release_s_latch_at_savepoint( + mtr, savepoint, dict_index_get_lock(index)); + } + + page_mode = mode; + } + + page_cur_search_with_match( + block, index, tuple, page_mode, &up_match, &up_bytes, + &low_match, &low_bytes, page_cursor); + + if (estimate) { + btr_cur_add_path_info(cursor, height, root_height); + } + + /* If this is the desired level, leave the loop */ + + ut_ad(height == btr_page_get_level(page_cur_get_page(page_cursor), + mtr)); + + if (level == height) { + + if (level > 0) { + /* x-latch the page */ + page = btr_page_get( + space, zip_size, page_no, RW_X_LATCH, mtr); + + ut_a((ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + } + + goto loop_end; + } + + ut_ad(height > 0); + + height--; + + node_ptr = page_cur_get_rec(page_cursor); + + offsets = rec_get_offsets( + node_ptr, cursor->index, offsets, ULINT_UNDEFINED, &heap); + + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + + if (index->type & DICT_IBUF && height == level) { + /* We're doing a search on an ibuf tree and we're one level + above the leaf page. (Assuming level == 0, which it should + be.) */ + + ulint is_min_rec; + + is_min_rec = rec_get_info_bits(node_ptr, 0) + & REC_INFO_MIN_REC_FLAG; + + if (!is_min_rec) { + cursor->ibuf_cnt = ibuf_rec_get_fake_counter(node_ptr); + + ut_a(cursor->ibuf_cnt <= 0xFFFF + || cursor->ibuf_cnt == ULINT_UNDEFINED); + } + } + + goto search_loop; + +loop_end: if (level == 0) { cursor->low_match = low_match; cursor->low_bytes = low_bytes; @@ -625,6 +743,11 @@ retry_page_get: } func_exit: + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + if (has_search_latch) { rw_lock_s_lock(&btr_search_latch); @@ -686,8 +809,7 @@ btr_cur_open_at_index_side( page_t* page; block = buf_page_get_gen(space, zip_size, page_no, RW_NO_LATCH, NULL, BUF_GET, - __FILE__, __LINE__, - mtr); + __FILE__, __LINE__, mtr); page = buf_block_get_frame(block); ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); @@ -806,8 +928,7 @@ btr_cur_open_at_rnd_pos( block = buf_page_get_gen(space, zip_size, page_no, RW_NO_LATCH, NULL, BUF_GET, - __FILE__, __LINE__, - mtr); + __FILE__, __LINE__, mtr); page = buf_block_get_frame(block); ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); @@ -2651,7 +2772,7 @@ btr_cur_del_mark_set_sec_rec( } /*************************************************************** -Sets a secondary index record delete mark to FALSE. This function is only +Sets a secondary index record'd delete mark to value. This function is only used by the insert buffer insert merge mechanism. */ UNIV_INTERN void @@ -2662,14 +2783,38 @@ btr_cur_del_unmark_for_ibuf( corresponding to rec, or NULL when the tablespace is uncompressed */ + ibool val, /* in: value to set */ mtr_t* mtr) /* in: mtr */ { /* We do not need to reserve btr_search_latch, as the page has just been read to the buffer pool and there cannot be a hash index to it. */ - btr_rec_set_deleted_flag(rec, page_zip, FALSE); + btr_rec_set_deleted_flag(rec, page_zip, val); - btr_cur_del_mark_set_sec_rec_log(rec, FALSE, mtr); + btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); +} + +/*************************************************************** +Sets a secondary index record's delete mark to the given value. This +function is only used by the insert buffer merge mechanism. */ + +void +btr_cur_set_deleted_flag_for_ibuf( +/*==============================*/ + rec_t* rec, /* in: record */ + page_zip_des_t* page_zip, /* in/out: compressed page + corresponding to rec, or NULL + when the tablespace is + uncompressed */ + ibool val, /* in: value to set */ + mtr_t* mtr) /* in: mtr */ +{ + /* We do not need to reserve btr_search_latch, as the page has just + been read to the buffer pool and there cannot be a hash index to it. */ + + rec_set_deleted_flag_new(rec, page_zip, val); + + btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); } /*==================== B-TREE RECORD REMOVE =========================*/ @@ -2763,8 +2908,7 @@ btr_cur_optimistic_delete( ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ - if (dict_index_is_clust(cursor->index) - || !page_is_leaf(page)) { + if (dict_index_is_clust(cursor->index) || !page_is_leaf(page)) { /* The insert buffer does not handle inserts to clustered indexes or to non-leaf pages of secondary index B-trees. */ diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 041d84a50b1..8e18cf7bcc4 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -213,6 +213,7 @@ buf_buddy_block_register( buf_block_t* block) /* in: buffer frame to allocate */ { const ulint fold = BUF_POOL_ZIP_FOLD(block); + ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); @@ -224,6 +225,7 @@ buf_buddy_block_register( ut_ad(!block->page.in_page_hash); ut_ad(!block->page.in_zip_hash); ut_d(block->page.in_zip_hash = TRUE); + HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); buf_buddy_n_frames++; @@ -278,23 +280,21 @@ buf_buddy_alloc_clean( TRUE if storage was allocated from the LRU list and buf_pool_mutex was temporarily released */ { + ulint count; buf_page_t* bpage; ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); - if (buf_buddy_n_frames < buf_buddy_max_n_frames) { + if (buf_buddy_n_frames >= buf_buddy_max_n_frames + && ((BUF_BUDDY_LOW << i) >= PAGE_ZIP_MIN_SIZE + && i < BUF_BUDDY_SIZES)) { - goto free_LRU; - } - - if (BUF_BUDDY_LOW << i >= PAGE_ZIP_MIN_SIZE - && i < BUF_BUDDY_SIZES) { /* Try to find a clean compressed-only page of the same size. */ - page_zip_des_t dummy_zip; ulint j; + page_zip_des_t dummy_zip; page_zip_set_size(&dummy_zip, BUF_BUDDY_LOW << i); @@ -335,9 +335,12 @@ buf_buddy_alloc_clean( /* Free blocks from the end of the LRU list until enough space is available. */ + count = 0; + free_LRU: - for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); bpage; - bpage = UT_LIST_GET_PREV(LRU, bpage)) { + for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); + bpage; + bpage = UT_LIST_GET_PREV(LRU, bpage), ++count) { void* ret; mutex_t* block_mutex = buf_page_get_mutex(bpage); @@ -440,20 +443,19 @@ buf_buddy_alloc_low( } /* Try replacing a clean page in the buffer pool. */ - block = buf_buddy_alloc_clean(i, lru); if (block) { goto func_exit; } - /* Try replacing an uncompressed page in the buffer pool. */ buf_pool_mutex_exit(); block = buf_LRU_get_free_block(0); *lru = TRUE; buf_pool_mutex_enter(); + alloc_big: buf_buddy_block_register(block); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 42ed87a757e..dee8c2d09ae 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1346,6 +1346,69 @@ buf_pool_resize(void) buf_pool_page_hash_rebuild(); } +/******************************************************************** +Add watch for the given page to be read in. Caller must have the buffer pool +mutex reserved. */ +static +void +buf_pool_add_watch( +/*===============*/ + ulint space, /* in: space id */ + ulint page_no) /* in: page number */ +{ + ut_ad(mutex_own(&buf_pool_mutex)); + + /* There can't be multiple watches at the same time. */ + ut_a(!buf_pool->watch_active); + + buf_pool->watch_active = TRUE; + buf_pool->watch_space = space; + buf_pool->watch_happened = FALSE; + buf_pool->watch_page_no = page_no; +} + +/******************************************************************** +Stop watching if the marked page is read in. */ +UNIV_INTERN +void +buf_pool_remove_watch(void) +/*=======================*/ +{ + buf_pool_mutex_enter(); + + ut_ad(buf_pool->watch_active); + + buf_pool->watch_active = FALSE; + + buf_pool_mutex_exit(); +} + +/******************************************************************** +Check if the given page is being watched and has been read to the buffer +pool. */ +UNIV_INTERN +ibool +buf_pool_watch_happened( +/*====================*/ + /* out: TRUE if the given page is being + watched and it has been read in */ + ulint space, /* in: space id */ + ulint page_no) /* in: page number */ +{ + ulint ret; + + buf_pool_mutex_enter(); + + ret = buf_pool->watch_active + && space == buf_pool->watch_space + && page_no == buf_pool->watch_page_no + && buf_pool->watch_happened; + + buf_pool_mutex_exit(); + + return(ret); +} + /************************************************************************ Moves to the block to the start of the LRU list if there is a danger that the block would drift out of the buffer pool. */ @@ -1763,7 +1826,8 @@ buf_page_get_gen( ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ buf_block_t* guess, /* in: guessed block or NULL */ ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH, BUF_GET_NOWAIT */ + BUF_GET_NO_LATCH, BUF_GET_NOWAIT or + BUF_GET_IF_IN_POOL_OR_WATCH*/ const char* file, /* in: file name */ ulint line, /* in: line where called */ mtr_t* mtr) /* in: mini-transaction */ @@ -1778,11 +1842,17 @@ buf_page_get_gen( || (rw_latch == RW_X_LATCH) || (rw_latch == RW_NO_LATCH)); ut_ad((mode != BUF_GET_NO_LATCH) || (rw_latch == RW_NO_LATCH)); - ut_ad((mode == BUF_GET) || (mode == BUF_GET_IF_IN_POOL) - || (mode == BUF_GET_NO_LATCH) || (mode == BUF_GET_NOWAIT)); + + /* Check for acceptable modes. */ + ut_ad(mode == BUF_GET + || mode == BUF_GET_IF_IN_POOL + || mode == BUF_GET_NO_LATCH + || mode == BUF_GET_NOWAIT + || mode == BUF_GET_IF_IN_POOL_OR_WATCH); + ut_ad(zip_size == fil_space_get_zip_size(space)); #ifndef UNIV_LOG_DEBUG - ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset)); + ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, mtr)); #endif buf_pool->n_page_gets++; loop: @@ -1818,9 +1888,14 @@ loop2: if (block == NULL) { /* Page not in buf_pool: needs to be read from file */ + if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { + buf_pool_add_watch(space, offset); + } + buf_pool_mutex_exit(); - if (mode == BUF_GET_IF_IN_POOL) { + if (mode == BUF_GET_IF_IN_POOL + || mode == BUF_GET_IF_IN_POOL_OR_WATCH) { return(NULL); } @@ -1837,7 +1912,18 @@ loop2: must_read = buf_block_get_io_fix(block) == BUF_IO_READ; - if (must_read && mode == BUF_GET_IF_IN_POOL) { + if (must_read + && (mode == BUF_GET_IF_IN_POOL + || mode == BUF_GET_IF_IN_POOL_OR_WATCH)) { + + /* The page is being read to bufer pool, + but we can't wait around for the read to + complete. */ + + if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { + buf_pool_add_watch(space, offset); + } + /* The page is only being read to buffer */ buf_pool_mutex_exit(); @@ -2140,7 +2226,7 @@ buf_page_optimistic_get_func( ut_ad(!ibuf_inside() || ibuf_page(buf_block_get_space(block), buf_block_get_zip_size(block), - buf_block_get_page_no(block))); + buf_block_get_page_no(block), mtr)); if (rw_latch == RW_S_LATCH) { success = rw_lock_s_lock_func_nowait(&(block->lock), @@ -2392,6 +2478,25 @@ buf_page_init_low( #endif /* UNIV_DEBUG_FILE_ACCESSES */ } +/************************************************************************ +Set watch happened flag. */ +UNIV_INLINE +void +buf_page_notify_watch( +/*==================*/ + ulint space, /* in: space id of page read in */ + ulint offset) /* in: offset of page read in */ +{ + ut_ad(buf_pool_mutex_own()); + + if (buf_pool->watch_active + && space == buf_pool->watch_space + && offset == buf_pool->watch_page_no) { + + buf_pool->watch_happened = TRUE; + } +} + #ifdef UNIV_HOTBACKUP /************************************************************************ Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ @@ -2481,6 +2586,7 @@ buf_page_init( } buf_page_init_low(&block->page); + buf_page_notify_watch(space, offset); ut_ad(!block->page.in_zip_hash); ut_ad(!block->page.in_page_hash); @@ -2531,7 +2637,8 @@ buf_page_init_for_read( mtr_start(&mtr); - if (!ibuf_page_low(space, zip_size, offset, &mtr)) { + if (!recv_no_ibuf_operations + && !ibuf_page(space, zip_size, offset, &mtr)) { mtr_commit(&mtr); @@ -2583,7 +2690,9 @@ err_exit2: if (block) { bpage = &block->page; mutex_enter(&block->mutex); + buf_page_init(space, offset, block); + buf_page_notify_watch(space, offset); /* The block must be put to the LRU list, to the old blocks */ buf_LRU_add_block(bpage, TRUE/* to old blocks */); @@ -2650,11 +2759,15 @@ err_exit2: mutex_enter(&buf_pool_zip_mutex); UNIV_MEM_DESC(bpage->zip.data, page_zip_get_size(&bpage->zip), bpage); + buf_page_init_low(bpage); + buf_page_notify_watch(space, offset); + bpage->state = BUF_BLOCK_ZIP_PAGE; bpage->space = space; bpage->offset = offset; + #ifdef UNIV_DEBUG bpage->in_page_hash = FALSE; bpage->in_zip_hash = FALSE; @@ -2748,6 +2861,7 @@ buf_page_create( mutex_enter(&block->mutex); buf_page_init(space, offset, block); + buf_page_notify_watch(space, offset); /* The block must be put to the LRU list */ buf_LRU_add_block(&block->page, FALSE); @@ -3539,7 +3653,7 @@ buf_print_io( fprintf(file, "Buffer pool size %lu\n" - "Free buffers %lu\n" + "Free buffers %lu\n" "Database pages %lu\n" "Modified db pages %lu\n" "Pending reads %lu\n" diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 361eacccb61..4b60c1d5fa4 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -497,7 +497,7 @@ loop: if (!buf_lru_switched_on_innodb_mon) { - /* Over 67 % of the buffer pool is occupied by lock + /* Over 67 % of the buffer pool is occupied by lock heaps or the adaptive hash index. This may be a memory leak! */ diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 1c61e691b8e..fa5c71e8050 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -191,8 +191,6 @@ struct fil_space_struct { currently in the list above */ UT_LIST_NODE_T(fil_space_t) space_list; /* list of all spaces */ - ibuf_data_t* ibuf_data; - /* insert buffer data */ ulint magic_n; }; @@ -476,33 +474,6 @@ fil_space_get_type( return(space->purpose); } -/*********************************************************************** -Returns the ibuf data of a file space. */ -UNIV_INTERN -ibuf_data_t* -fil_space_get_ibuf_data( -/*====================*/ - /* out: ibuf data for this space */ - ulint id) /* in: space id */ -{ - fil_system_t* system = fil_system; - fil_space_t* space; - - ut_ad(system); - - ut_a(id == 0); - - mutex_enter(&(system->mutex)); - - space = fil_space_get_by_id(id); - - mutex_exit(&(system->mutex)); - - ut_a(space); - - return(space->ibuf_data); -} - /************************************************************************** Checks if all the file nodes in a space are flushed. The caller must hold the fil_system mutex. */ @@ -1183,8 +1154,6 @@ try_again: UT_LIST_INIT(space->chain); space->magic_n = FIL_SPACE_MAGIC_N; - space->ibuf_data = NULL; - rw_lock_create(&space->latch, SYNC_FSP); HASH_INSERT(fil_space_t, hash, system->spaces, id, space); @@ -1649,25 +1618,6 @@ fil_set_max_space_id_if_bigger( mutex_exit(&(system->mutex)); } -/******************************************************************** -Initializes the ibuf data structure for space 0 == the system tablespace. -This can be called after the file space headers have been created and the -dictionary system has been initialized. */ -UNIV_INTERN -void -fil_ibuf_init_at_db_start(void) -/*===========================*/ -{ - fil_space_t* space; - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - ut_a(space); - ut_a(space->purpose == FIL_TABLESPACE); - - space->ibuf_data = ibuf_data_init_for_space(space->id); -} - /******************************************************************** Writes the flushed lsn and the latest archived log number to the page header of the first page of a data file of the system tablespace (space 0), @@ -4266,13 +4216,13 @@ fil_io( || sync || is_log); #ifdef UNIV_SYNC_DEBUG ut_ad(!ibuf_inside() || is_log || (type == OS_FILE_WRITE) - || ibuf_page(space_id, zip_size, block_offset)); + || ibuf_page(space_id, zip_size, block_offset, NULL)); #endif #endif if (sync) { mode = OS_AIO_SYNC; } else if (type == OS_FILE_READ && !is_log - && ibuf_page(space_id, zip_size, block_offset)) { + && ibuf_page(space_id, zip_size, block_offset, NULL)) { mode = OS_AIO_IBUF; } else if (is_log) { mode = OS_AIO_LOG; diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 742673dc9d1..9dce1bf0358 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -2191,8 +2191,8 @@ fseg_create_general( /* This thread did not own the latch before this call: free excess pages from the insert buffer free list */ - if (space == 0) { - ibuf_free_excess_pages(0); + if (space == IBUF_SPACE_ID) { + ibuf_free_excess_pages(); } } @@ -2759,8 +2759,8 @@ fseg_alloc_free_page_general( /* This thread did not own the latch before this call: free excess pages from the insert buffer free list */ - if (space == 0) { - ibuf_free_excess_pages(0); + if (space == IBUF_SPACE_ID) { + ibuf_free_excess_pages(); } } diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 118857e7e0e..f23786dd806 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -62,7 +62,28 @@ is in the compact format. The presence of this marker can be detected by looking at the length of the field modulo DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE. The high-order bit of the character set field in the type info is the -"nullable" flag for the field. */ +"nullable" flag for the field. + +In versions >= TODO: + +The optional marker byte at the start of the fourth field is replaced by +mandatory 3 fields, totaling 4 bytes: + + 1. 2 bytes: Counter field, used to sort records within a (space id, page + no) in the order they were added. This is needed so that for example the + sequence of operations "INSERT x, DEL MARK x, INSERT x" is handled + correctly. + + 2. 1 byte: Operation type (see ibuf_op_t). + + 3. 1 byte: Flags. Currently only one flag exists, IBUF_REC_COMPACT. + +To ensure older records, which do not have counters to enforce correct +sorting, are merged before any new records, ibuf_insert checks if we're +trying to insert to a position that contains old-style records, and if so, +refuses the insert. Thus, ibuf pages are gradually converted to the new +format as their corresponding buffer pool pages are read into memory. +*/ /* PREVENTING DEADLOCKS IN THE INSERT BUFFER SYSTEM @@ -137,17 +158,18 @@ access order rules. */ /* Buffer pool size per the maximum insert buffer size */ #define IBUF_POOL_SIZE_PER_MAX_SIZE 2 +/* Table name for the insert buffer. */ +#define IBUF_TABLE_NAME "SYS_IBUF_TABLE" + /* The insert buffer control structure */ UNIV_INTERN ibuf_t* ibuf = NULL; -static ulint ibuf_rnd = 986058871; - UNIV_INTERN ulint ibuf_flush_count = 0; #ifdef UNIV_IBUF_COUNT_DEBUG /* Dimensions for the ibuf_count array */ -#define IBUF_COUNT_N_SPACES 500 -#define IBUF_COUNT_N_PAGES 2000 +#define IBUF_COUNT_N_SPACES 4 +#define IBUF_COUNT_N_PAGES 130000 /* Buffered entry counts for file pages, used in debugging */ static ulint ibuf_counts[IBUF_COUNT_N_SPACES][IBUF_COUNT_N_PAGES]; @@ -192,6 +214,22 @@ ibuf_count_check( # error "IBUF_BITS_PER_PAGE must be an even number!" #endif +/* Various constants for checking the type of an ibuf record and extracting +data from it. For details, see the description of the record format at the +top of this file. */ + +#define IBUF_REC_INFO_SIZE 4 /* Combined size of info fields at + the beginning of the fourth field */ + +/* Offsets for the fields at the beginning of the fourth field */ +#define IBUF_REC_OFFSET_COUNTER 0 +#define IBUF_REC_OFFSET_TYPE 2 +#define IBUF_REC_OFFSET_FLAGS 3 + +/* Record flag masks */ +#define IBUF_REC_COMPACT 0x1 /* Whether the record is compact */ + + /* The mutex used to block pessimistic inserts to ibuf trees */ static mutex_t ibuf_pessimistic_insert_mutex; @@ -230,15 +268,6 @@ because ibuf merge is done to a page when it is read in, and it is still physically like the index page even if the index would have been dropped! So, there seems to be no problem. */ -#ifdef UNIV_DEBUG -/********************************************************************** -Validates the ibuf data structures when the caller owns ibuf_mutex. */ -static -ibool -ibuf_validate_low(void); -/*===================*/ - /* out: TRUE if ok */ -#endif /* UNIV_DEBUG */ /********************************************************************** Sets the flag in the current OS thread local storage denoting that it is inside an insert buffer routine. */ @@ -293,17 +322,14 @@ page_t* ibuf_header_page_get( /*=================*/ /* out: insert buffer header page */ - ulint space, /* in: space id */ mtr_t* mtr) /* in: mtr */ { buf_block_t* block; - ut_a(space == 0); - ut_ad(!ibuf_inside()); - block = buf_page_get(space, 0, FSP_IBUF_HEADER_PAGE_NO, - RW_X_LATCH, mtr); + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_HEADER_PAGE_NO, RW_X_LATCH, mtr); #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_IBUF_HEADER); @@ -319,19 +345,17 @@ page_t* ibuf_tree_root_get( /*===============*/ /* out: insert buffer tree root page */ - ibuf_data_t* data, /* in: ibuf data */ - ulint space, /* in: space id */ mtr_t* mtr) /* in: mtr */ { buf_block_t* block; - ut_a(space == 0); ut_ad(ibuf_inside()); - mtr_x_lock(dict_index_get_lock(data->index), mtr); + mtr_x_lock(dict_index_get_lock(ibuf->index), mtr); + + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, mtr); - block = buf_page_get(space, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, - mtr); #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ @@ -373,6 +397,31 @@ ibuf_count_set( } #endif +/********************************************************************** +Updates the size information of the ibuf, assuming the segment size has not +changed. */ +static +void +ibuf_size_update( +/*=============*/ + page_t* root, /* in: ibuf tree root */ + mtr_t* mtr) /* in: mtr */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(mutex_own(&ibuf_mutex)); +#endif /* UNIV_SYNC_DEBUG */ + + ibuf->free_list_len = flst_get_len(root + PAGE_HEADER + + PAGE_BTR_IBUF_FREE_LIST, mtr); + + ibuf->height = 1 + btr_page_get_level(root, mtr); + + /* the '1 +' is the ibuf header page */ + ibuf->size = ibuf->seg_size - (1 + ibuf->free_list_len); + + ibuf->empty = page_get_n_recs(root) == 0; +} + /********************************************************************** Creates the insert buffer data structure at a database startup and initializes the data structures for the insert buffer. */ @@ -381,8 +430,18 @@ void ibuf_init_at_db_start(void) /*=======================*/ { + page_t* root; + mtr_t mtr; + dict_table_t* table; + mem_heap_t* heap; + dict_index_t* index; + ulint n_used; + page_t* header_page; + ibuf = mem_alloc(sizeof(ibuf_t)); + memset(ibuf, 0, sizeof(*ibuf)); + /* Note that also a pessimistic delete can sometimes make a B-tree grow in size, as the references on the upper levels of the tree can change */ @@ -390,10 +449,6 @@ ibuf_init_at_db_start(void) ibuf->max_size = buf_pool_get_curr_size() / UNIV_PAGE_SIZE / IBUF_POOL_SIZE_PER_MAX_SIZE; - UT_LIST_INIT(ibuf->data_list); - - ibuf->size = 0; - mutex_create(&ibuf_pessimistic_insert_mutex, SYNC_IBUF_PESS_INSERT_MUTEX); @@ -401,89 +456,13 @@ ibuf_init_at_db_start(void) mutex_create(&ibuf_bitmap_mutex, SYNC_IBUF_BITMAP_MUTEX); - fil_ibuf_init_at_db_start(); -} - -/********************************************************************** -Updates the size information in an ibuf data, assuming the segment size has -not changed. */ -static -void -ibuf_data_sizes_update( -/*===================*/ - ibuf_data_t* data, /* in: ibuf data struct */ - const page_t* root, /* in: ibuf tree root */ - mtr_t* mtr) /* in: mtr */ -{ - ulint old_size; - - ut_ad(mutex_own(&ibuf_mutex)); - - old_size = data->size; - - data->free_list_len = flst_get_len(root + PAGE_HEADER - + PAGE_BTR_IBUF_FREE_LIST, mtr); - - data->height = 1 + btr_page_get_level(root, mtr); - - data->size = data->seg_size - (1 + data->free_list_len); - /* the '1 +' is the ibuf header page */ - ut_ad(data->size < data->seg_size); - - if (page_get_n_recs(root) == 0) { - - data->empty = TRUE; - } else { - data->empty = FALSE; - } - - ut_ad(ibuf->size + data->size >= old_size); - - ibuf->size = ibuf->size + data->size - old_size; - -#if 0 - fprintf(stderr, "ibuf size %lu, space ibuf size %lu\n", - ibuf->size, data->size); -#endif -} - -/********************************************************************** -Creates the insert buffer data struct for a single tablespace. Reads the -root page of the insert buffer tree in the tablespace. This function can -be called only after the dictionary system has been initialized, as this -creates also the insert buffer table and index into this tablespace. */ -UNIV_INTERN -ibuf_data_t* -ibuf_data_init_for_space( -/*=====================*/ - /* out, own: ibuf data struct, linked to the list - in ibuf control structure */ - ulint space) /* in: space id */ -{ - ibuf_data_t* data; - page_t* root; - page_t* header_page; - mtr_t mtr; - char* buf; - mem_heap_t* heap; - dict_table_t* table; - dict_index_t* index; - ulint n_used; - ulint error; - - ut_a(space == 0); - - data = mem_alloc(sizeof(ibuf_data_t)); - - data->space = space; - mtr_start(&mtr); mutex_enter(&ibuf_mutex); - mtr_x_lock(fil_space_get_latch(space, NULL), &mtr); + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, NULL), &mtr); - header_page = ibuf_header_page_get(space, &mtr); + header_page = ibuf_header_page_get(&mtr); fseg_n_reserved_pages(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, &n_used, &mtr); @@ -491,33 +470,23 @@ ibuf_data_init_for_space( ut_ad(n_used >= 2); - data->seg_size = n_used; + ibuf->seg_size = n_used; { - buf_block_t* block = buf_page_get( - space, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, &mtr); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ + root = buf_block_get_frame(block); } - data->size = 0; - data->n_inserts = 0; - data->n_merges = 0; - data->n_merged_recs = 0; - - ibuf_data_sizes_update(data, root, &mtr); - /* - if (!data->empty) { - fprintf(stderr, - "InnoDB: index entries found in the insert buffer\n"); - } else { - fprintf(stderr, - "InnoDB: insert buffer empty\n"); - } - */ + ibuf_size_update(root, &mtr); mutex_exit(&ibuf_mutex); mtr_commit(&mtr); @@ -525,42 +494,28 @@ ibuf_data_init_for_space( ibuf_exit(); heap = mem_heap_create(450); - buf = mem_heap_alloc(heap, 50); - sprintf(buf, "SYS_IBUF_TABLE_%lu", (ulong) space); - /* use old-style record format for the insert buffer */ - table = dict_mem_table_create(buf, space, 2, 0); + /* Use old-style record format for the insert buffer. */ + table = dict_mem_table_create(IBUF_TABLE_NAME, IBUF_SPACE_ID, 1, 0); - dict_mem_table_add_col(table, heap, "PAGE_NO", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "TYPES", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "DUMMY_COLUMN", DATA_BINARY, 0, 0); - table->id = ut_dulint_add(DICT_IBUF_ID_MIN, space); + table->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); dict_table_add_to_cache(table, heap); mem_heap_free(heap); index = dict_mem_index_create( - buf, "CLUST_IND", space, - DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, 2); + IBUF_TABLE_NAME, "CLUST_IND", + IBUF_SPACE_ID, DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, 1); - dict_mem_index_add_field(index, "PAGE_NO", 0); - dict_mem_index_add_field(index, "TYPES", 0); + dict_mem_index_add_field(index, "DUMMY_COLUMN", 0); - index->id = ut_dulint_add(DICT_IBUF_ID_MIN, space); + index->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); - error = dict_index_add_to_cache(table, index, - FSP_IBUF_TREE_ROOT_PAGE_NO); - ut_a(error == DB_SUCCESS); + dict_index_add_to_cache(table, index, FSP_IBUF_TREE_ROOT_PAGE_NO); - data->index = dict_table_get_first_index(table); - - mutex_enter(&ibuf_mutex); - - UT_LIST_ADD_LAST(data_list, ibuf->data_list, data); - - mutex_exit(&ibuf_mutex); - - return(data); + ibuf->index = dict_table_get_first_index(table); } /************************************************************************* @@ -605,7 +560,7 @@ ibuf_parse_bitmap_init( /*===================*/ /* out: end of log record or NULL */ byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ + byte* end_ptr UNIV_UNUSED, /* in: buffer end */ buf_block_t* block, /* in: block or NULL */ mtr_t* mtr) /* in: mtr or NULL */ { @@ -631,7 +586,7 @@ ibuf_bitmap_page_get_bits( 0 for uncompressed pages */ ulint bit, /* in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ - mtr_t* mtr __attribute__((unused))) + mtr_t* mtr UNIV_UNUSED) /* in: mtr containing an x-latch to the bitmap page */ { @@ -929,10 +884,8 @@ ibuf_update_free_bits_low( performed to the page */ mtr_t* mtr) /* in/out: mtr */ { - ulint before; ulint after; - - ut_a(!buf_block_get_page_zip(block)); + ulint before; before = ibuf_index_page_calc_free_bits(0, max_ins_size); @@ -1033,7 +986,7 @@ ibuf_fixed_addr_page( 0 for uncompressed pages */ ulint page_no)/* in: page number */ { - return((space == 0 && page_no == IBUF_TREE_ROOT_PAGE_NO) + return((space == IBUF_SPACE_ID && page_no == IBUF_TREE_ROOT_PAGE_NO) || ibuf_bitmap_page(zip_size, page_no)); } @@ -1046,68 +999,42 @@ ibuf_page( /* out: TRUE if level 2 or level 3 page */ ulint space, /* in: space id */ ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no)/* in: page number */ -{ - page_t* bitmap_page; - mtr_t mtr; - ibool ret; - - if (recv_no_ibuf_operations) { - /* Recovery is running: no ibuf operations should be - performed */ - - return(FALSE); - } - - if (ibuf_fixed_addr_page(space, zip_size, page_no)) { - - return(TRUE); - } - - if (space != 0) { - /* Currently we only have an ibuf tree in space 0 */ - - return(FALSE); - } - - ut_ad(fil_space_get_type(space) == FIL_TABLESPACE); - - mtr_start(&mtr); - - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, &mtr); - - ret = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_IBUF, &mtr); - mtr_commit(&mtr); - - return(ret); -} - -/*************************************************************************** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. */ -UNIV_INTERN -ibool -ibuf_page_low( -/*==========*/ - /* out: TRUE if level 2 or level 3 page */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ ulint page_no,/* in: page number */ mtr_t* mtr) /* in: mtr which will contain an x-latch to the bitmap page if the page is not one of the fixed - address ibuf pages */ + address ibuf pages, or NULL, in which case a new + transaction is created. */ { + ibool ret; + mtr_t mtr_local; page_t* bitmap_page; + ibool use_local_mtr = (mtr == NULL); if (ibuf_fixed_addr_page(space, zip_size, page_no)) { return(TRUE); + } else if (space != IBUF_SPACE_ID) { + + return(FALSE); + } + + ut_ad(fil_space_get_type(IBUF_SPACE_ID) == FIL_TABLESPACE); + + if (use_local_mtr) { + mtr = &mtr_local; + mtr_start(mtr); } bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); - return(ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_IBUF, mtr)); + ret = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_IBUF, mtr); + + if (use_local_mtr) { + mtr_commit(mtr); + } + + return(ret); } /************************************************************************ @@ -1178,6 +1105,185 @@ ibuf_rec_get_space( return(0); } +/******************************************************************** +Get various information about an ibuf record. */ +static +void +ibuf_rec_get_info( +/*==============*/ + const rec_t* rec, /* in: ibuf record */ + ibuf_op_t* op, /* out: operation type, or NULL */ + ibool* comp, /* out: compact flag, or NULL */ + ulint* info_len, /* out: length of info fields at the + start of the fourth field, or + NULL */ + ulint* counter) /* in: counter value, or NULL */ +{ + const byte* types; + ulint fields; + ulint len; + ulint mod; + + /* Local variables to shadow arguments. */ + ibuf_op_t op_local; + ibool comp_local; + ulint info_len_local; + ulint counter_local; + + ut_ad(ibuf_inside()); + fields = rec_get_n_fields_old(rec); + ut_a(fields > 4); + + types = rec_get_nth_field_old(rec, 3, &len); + + mod = len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + + if (mod == 0) { + op_local = IBUF_OP_INSERT; + comp_local = FALSE; + info_len_local = 0; + ut_ad(!counter); + + } else if (mod == 1) { + op_local = IBUF_OP_INSERT; + comp_local = TRUE; + info_len_local = 1; + ut_ad(!counter); + + } else if (mod == IBUF_REC_INFO_SIZE) { + op_local = (ibuf_op_t)types[IBUF_REC_OFFSET_TYPE]; + comp_local = types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT; + info_len_local = IBUF_REC_INFO_SIZE; + counter_local = mach_read_from_2( + types + IBUF_REC_OFFSET_COUNTER); + + } else { + ut_error; + } + + ut_a(op_local < IBUF_OP_COUNT); + ut_a((len - info_len_local) == + (fields - 4) * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + + if (op) { + *op = op_local; + } + + if (comp) { + *comp = comp_local; + } + + if (info_len) { + *info_len = info_len_local; + } + + if (counter) { + *counter = counter_local; + } +} + +/******************************************************************** +Returns the operation type field of an ibuf record. */ +static +ibuf_op_t +ibuf_rec_get_op_type( +/*=================*/ + /* out: operation type */ + rec_t* rec) /* in: ibuf record */ +{ + ulint len; + const byte* field; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (len > 1) { + /* This is a < 4.1.x format record */ + + return(IBUF_OP_INSERT); + } else { + ibuf_op_t op; + + ibuf_rec_get_info(rec, &op, NULL, NULL, NULL); + + return(op); + } +} + +/******************************************************************** +Read the first two bytes from a record's fourth field (counter field in new +records; something else in older records). */ + +ulint +ibuf_rec_get_fake_counter( +/*======================*/ + /* out: "counter" field, or ULINT_UNDEFINED if for + some reason it can't be read*/ + rec_t* rec) /* in: ibuf record */ +{ + byte* ptr; + ulint len; + + if (rec_get_n_fields_old(rec) < 4) { + + return(ULINT_UNDEFINED); + } + + ptr = rec_get_nth_field_old(rec, 3, &len); + + if (len >= 2) { + + return(mach_read_from_2(ptr)); + } else { + + return(ULINT_UNDEFINED); + } +} + +/******************************************************************** +Add accumulated operation counts to a permanent array. Both arrays must be +of size IBUF_OP_COUNT. */ +static +void +ibuf_add_ops( +/*=========*/ + ulint* arr, /* in/out: array to modify */ + ulint* ops) /* in: operation counts */ + +{ + ulint i; + + for (i = 0; i < IBUF_OP_COUNT; i++) { + arr[i] += ops[i]; + } +} + +/******************************************************************** +Print operation counts. The array must be of size IBUF_OP_COUNT. */ +static +void +ibuf_print_ops( +/*=========*/ + ulint* ops, /* in: operation counts */ + FILE* file) /* in: file where to print */ +{ + static const char* op_names[] = { + "insert", + "delete mark", + "delete" + }; + ulint i; + + ut_a(UT_ARR_SIZE(op_names) == IBUF_OP_COUNT); + + for (i = 0; i < IBUF_OP_COUNT; i++) { + fprintf(file, "%s %lu%s", op_names[i], + (ulong) ops[i], (i < (IBUF_OP_COUNT - 1)) ? ", " : ""); + } +} + /************************************************************************ Creates a dummy index for inserting a record to a non-clustered index. */ @@ -1192,12 +1298,11 @@ ibuf_dummy_index_create( dict_table_t* table; dict_index_t* index; - table = dict_mem_table_create("IBUF_DUMMY", - DICT_HDR_SPACE, n, - comp ? DICT_TF_COMPACT : 0); + table = dict_mem_table_create( + "IBUF_DUMMY", DICT_HDR_SPACE, n, comp ? DICT_TF_COMPACT : 0); - index = dict_mem_index_create("IBUF_DUMMY", "IBUF_DUMMY", - DICT_HDR_SPACE, 0, n); + index = dict_mem_index_create( + "IBUF_DUMMY", "IBUF_DUMMY", DICT_HDR_SPACE, 0, n); index->table = table; @@ -1217,12 +1322,14 @@ ibuf_dummy_index_add_col( ulint len) /* in: length of the column */ { ulint i = index->table->n_def; - dict_mem_table_add_col(index->table, NULL, NULL, - dtype_get_mtype(type), - dtype_get_prtype(type), - dtype_get_len(type)); - dict_index_add_col(index, index->table, - dict_table_get_nth_col(index->table, i), len); + + dict_mem_table_add_col( + index->table, NULL, NULL, dtype_get_mtype(type), + dtype_get_prtype(type), dtype_get_len(type)); + + dict_index_add_col( + index, index->table, + dict_table_get_nth_col(index->table, i), len); } /************************************************************************ Deallocates a dummy index for inserting a record to a non-clustered index. @@ -1242,6 +1349,67 @@ ibuf_dummy_index_free( /************************************************************************* Builds the entry to insert into a non-clustered index when we have the corresponding record in an ibuf index. */ +UNIV_INLINE +dtuple_t* +ibuf_build_entry_pre_4_1_x( +/*=======================*/ + /* out, own: entry to insert to + a non-clustered index; NOTE that + as we copy pointers to fields in + ibuf_rec, the caller must hold a + latch to the ibuf_rec page as long + as the entry is used! */ + const rec_t* ibuf_rec, /* in: record in an insert buffer */ + mem_heap_t* heap, /* in: heap where built */ + dict_index_t** pindex) /* out, own: dummy index that + describes the entry */ +{ + ulint i; + ulint len; + const byte* types; + dtuple_t* tuple; + ulint n_fields; + + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + n_fields = rec_get_n_fields_old(ibuf_rec) - 2; + tuple = dtuple_create(heap, n_fields); + types = rec_get_nth_field_old(ibuf_rec, 1, &len); + + ut_a(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); + + for (i = 0; i < n_fields; i++) { + const byte* data; + dfield_t* field; + + field = dtuple_get_nth_field(tuple, i); + + data = rec_get_nth_field_old(ibuf_rec, i + 2, &len); + + dfield_set_data(field, data, len); + + dtype_read_for_order_and_null_size( + dfield_get_type(field), + types + i * DATA_ORDER_NULL_TYPE_BUF_SIZE); + } + + *pindex = ibuf_dummy_index_create(n_fields, FALSE); + + return(tuple); +} + +/************************************************************************* +Builds the entry used to + +1) IBUF_OP_INSERT: insert into a non-clustered index + +2) IBUF_OP_DELETE_MARK: find the record whose delete-mark flag we need to + activate + +3) IBUF_OP_DELETE: find the record we need to delete + +when we have the corresponding record in an ibuf index. */ static dtuple_t* ibuf_build_entry_from_ibuf_rec( @@ -1263,7 +1431,9 @@ ibuf_build_entry_from_ibuf_rec( const byte* types; const byte* data; ulint len; + ulint info_len; ulint i; + ulint comp; dict_index_t* index; data = rec_get_nth_field_old(ibuf_rec, 1, &len); @@ -1271,29 +1441,7 @@ ibuf_build_entry_from_ibuf_rec( if (len > 1) { /* This a < 4.1.x format record */ - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - n_fields = rec_get_n_fields_old(ibuf_rec) - 2; - tuple = dtuple_create(heap, n_fields); - types = rec_get_nth_field_old(ibuf_rec, 1, &len); - - ut_a(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); - - for (i = 0; i < n_fields; i++) { - field = dtuple_get_nth_field(tuple, i); - - data = rec_get_nth_field_old(ibuf_rec, i + 2, &len); - - dfield_set_data(field, data, len); - - dtype_read_for_order_and_null_size( - dfield_get_type(field), - types + i * DATA_ORDER_NULL_TYPE_BUF_SIZE); - } - - *pindex = ibuf_dummy_index_create(n_fields, FALSE); - return(tuple); + return(ibuf_build_entry_pre_4_1_x(ibuf_rec, heap, pindex)); } /* This a >= 4.1.x format record */ @@ -1308,16 +1456,12 @@ ibuf_build_entry_from_ibuf_rec( types = rec_get_nth_field_old(ibuf_rec, 3, &len); - ut_a(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE <= 1); - index = ibuf_dummy_index_create( - n_fields, len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + ibuf_rec_get_info(ibuf_rec, NULL, &comp, &info_len, NULL); - if (len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE) { - /* compact record format */ - len--; - ut_a(*types == 0); - types++; - } + index = ibuf_dummy_index_create(n_fields, comp); + + len -= info_len; + types += info_len; ut_a(len == n_fields * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); @@ -1343,9 +1487,51 @@ ibuf_build_entry_from_ibuf_rec( ut_d(dict_table_add_system_columns(index->table, index->table->heap)); *pindex = index; + return(tuple); } +/********************************************************************** +Get the data size. */ +UNIV_INLINE +ulint +ibuf_rec_get_size( +/*==============*/ + /* out: size of fields */ + const rec_t* rec, /* in: ibuf record */ + const byte* types, /* in: fields */ + ulint n_fields, /* in: number of fields */ + ibool new_format) /* in: TRUE or FALSE */ +{ + ulint i; + ulint offset; + ulint size = 0; + + /* 4 for compact record and 2 for old style. */ + offset = new_format ? 4 : 2; + + for (i = 0; i < n_fields; i++) { + ulint len; + const byte* field; + + field = rec_get_nth_field_old(rec, i + offset, &len); + + if (len == UNIV_SQL_NULL) { + dtype_t dtype; + + dtype_read_for_order_and_null_size( + &dtype, types + i + * DATA_ORDER_NULL_TYPE_BUF_SIZE); + + size += dtype_get_sql_null_size(&dtype); + } else { + size += len; + } + } + + return(size); +} + /************************************************************************ Returns the space taken by a stored non-clustered index entry if converted to an index record. */ @@ -1358,14 +1544,12 @@ ibuf_rec_get_volume( page directory */ const rec_t* ibuf_rec)/* in: ibuf record */ { - dtype_t dtype; - ibool new_format = FALSE; - ulint data_size = 0; - ulint n_fields; - const byte* types; - const byte* data; ulint len; - ulint i; + const byte* data; + const byte* types; + ulint n_fields; + ulint data_size = 0; + ibool new_format = FALSE; ut_ad(ibuf_inside()); ut_ad(rec_get_n_fields_old(ibuf_rec) > 2); @@ -1383,54 +1567,52 @@ ibuf_rec_get_volume( types = rec_get_nth_field_old(ibuf_rec, 1, &len); ut_ad(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); + } else { /* >= 4.1.x format record */ + ibuf_op_t op; + ibool comp; + ulint info_len; ut_a(trx_sys_multiple_tablespace_format); ut_a(*data == 0); types = rec_get_nth_field_old(ibuf_rec, 3, &len); - ut_a(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE <= 1); - if (len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE) { - /* compact record format */ + ibuf_rec_get_info(ibuf_rec, &op, &comp, &info_len, NULL); + + if (op == IBUF_OP_DELETE_MARK || op == IBUF_OP_DELETE) { + /* Delete-marking a record doesn't take any + additional space, and while deleting a record + actually frees up space, we have to play it safe and + pretend it takes no additional space (the record + might not exist, etc.). */ + + return(0); + } else if (comp) { + dtuple_t* entry; ulint volume; dict_index_t* dummy_index; mem_heap_t* heap = mem_heap_create(500); - dtuple_t* entry = ibuf_build_entry_from_ibuf_rec( + + entry = ibuf_build_entry_from_ibuf_rec( ibuf_rec, heap, &dummy_index); + volume = rec_get_converted_size(dummy_index, entry, 0); + ibuf_dummy_index_free(dummy_index); mem_heap_free(heap); + return(volume + page_dir_calc_reserved_space(1)); } + types += info_len; n_fields = rec_get_n_fields_old(ibuf_rec) - 4; new_format = TRUE; } - for (i = 0; i < n_fields; i++) { - if (new_format) { - data = rec_get_nth_field_old(ibuf_rec, i + 4, &len); - - dtype_new_read_for_order_and_null_size( - &dtype, types + i - * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - } else { - data = rec_get_nth_field_old(ibuf_rec, i + 2, &len); - - dtype_read_for_order_and_null_size( - &dtype, types + i - * DATA_ORDER_NULL_TYPE_BUF_SIZE); - } - - if (len == UNIV_SQL_NULL) { - data_size += dtype_get_sql_null_size(&dtype); - } else { - data_size += len; - } - } + data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, new_format); return(data_size + rec_get_converted_extra_size(data_size, n_fields, 0) + page_dir_calc_reserved_space(1)); @@ -1447,40 +1629,38 @@ ibuf_entry_build( index tree; NOTE that the original entry must be kept because we copy pointers to its fields */ + ibuf_op_t op, /* in: operation type */ dict_index_t* index, /* in: non-clustered index */ const dtuple_t* entry, /* in: entry for a non-clustered index */ ulint space, /* in: space id */ ulint page_no,/* in: index page number where entry should be inserted */ + ulint counter,/* in: counter value */ mem_heap_t* heap) /* in: heap into which to build */ { dtuple_t* tuple; dfield_t* field; const dfield_t* entry_field; ulint n_fields; + ulint type_info_size; byte* buf; byte* buf2; ulint i; - /* Starting from 4.1.x, we have to build a tuple whose - (1) first field is the space id, - (2) the second field a single marker byte (0) to tell that this - is a new format record, - (3) the third contains the page number, and - (4) the fourth contains the relevent type information of each data - field; the length of this field % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE is - (a) 0 for b-trees in the old format, and - (b) 1 for b-trees in the compact format, the first byte of the field - being the marker (0); - (5) and the rest of the fields are copied from entry. All fields - in the tuple are ordered like the type binary in our insert buffer - tree. */ + /* We have to build a tuple with the following fields: + + 1-4) These are described at the top of this file. + + 5) The rest of the fields are copied from the entry. + + All fields in the tuple are ordered like the type binary in our + insert buffer tree. */ n_fields = dtuple_get_n_fields(entry); tuple = dtuple_create(heap, n_fields + 4); - /* Store the space id in tuple */ + /* 1) Space Id */ field = dtuple_get_nth_field(tuple, 0); @@ -1490,7 +1670,7 @@ ibuf_entry_build( dfield_set_data(field, buf, 4); - /* Store the marker byte field in tuple */ + /* 2) Marker byte */ field = dtuple_get_nth_field(tuple, 1); @@ -1502,7 +1682,7 @@ ibuf_entry_build( dfield_set_data(field, buf, 1); - /* Store the page number in tuple */ + /* 3) Page number */ field = dtuple_get_nth_field(tuple, 2); @@ -1512,14 +1692,20 @@ ibuf_entry_build( dfield_set_data(field, buf, 4); - /* Store the type info in buf2, and add the fields from entry to - tuple */ - buf2 = mem_heap_alloc(heap, n_fields - * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE - + dict_table_is_comp(index->table)); - if (dict_table_is_comp(index->table)) { - *buf2++ = 0; /* write the compact format indicator */ - } + /* 4) Type info, part #1 */ + + type_info_size = IBUF_REC_INFO_SIZE + + n_fields * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + buf2 = mem_heap_alloc(heap, type_info_size); + + mach_write_to_2(buf2 + IBUF_REC_OFFSET_COUNTER, counter); + + buf2[IBUF_REC_OFFSET_TYPE] = (byte) op; + buf2[IBUF_REC_OFFSET_FLAGS] = dict_table_is_comp(index->table) + ? IBUF_REC_COMPACT : 0; + + /* 5+) Fields from the entry */ + for (i = 0; i < n_fields; i++) { ulint fixed_len; const dict_field_t* ifield; @@ -1554,21 +1740,17 @@ ibuf_entry_build( #endif /* UNIV_DEBUG */ dtype_new_store_for_order_and_null_size( - buf2 + i * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, + buf2 + IBUF_REC_INFO_SIZE + + i * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, dfield_get_type(entry_field), fixed_len); } - /* Store the type info in buf2 to field 3 of tuple */ + /* 4) Type info, part #2 */ field = dtuple_get_nth_field(tuple, 3); - if (dict_table_is_comp(index->table)) { - buf2--; - } + dfield_set_data(field, buf2, type_info_size); - dfield_set_data(field, buf2, n_fields - * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE - + dict_table_is_comp(index->table)); /* Set all the types in the new tuple binary */ dtuple_set_types_binary(tuple, n_fields + 4); @@ -1673,10 +1855,9 @@ Checks if there are enough pages in the free list of the ibuf tree that we dare to start a pessimistic insert to the insert buffer. */ UNIV_INLINE ibool -ibuf_data_enough_free_for_insert( -/*=============================*/ +ibuf_data_enough_free_for_insert(void) +/*==================================*/ /* out: TRUE if enough free pages in list */ - ibuf_data_t* data) /* in: ibuf data for the space */ { ut_ad(mutex_own(&ibuf_mutex)); @@ -1686,7 +1867,7 @@ ibuf_data_enough_free_for_insert( inserts buffered for pages that we read to the buffer pool, without any risk of running out of free space in the insert buffer. */ - return(data->free_list_len >= data->size / 2 + 3 * data->height); + return(ibuf->free_list_len >= (ibuf->size / 2) + 3 * ibuf->height); } /************************************************************************* @@ -1694,14 +1875,13 @@ Checks if there are enough pages in the free list of the ibuf tree that we should remove them and free to the file space management. */ UNIV_INLINE ibool -ibuf_data_too_much_free( -/*====================*/ +ibuf_data_too_much_free(void) +/*=========================*/ /* out: TRUE if enough free pages in list */ - ibuf_data_t* data) /* in: ibuf data for the space */ { ut_ad(mutex_own(&ibuf_mutex)); - return(data->free_list_len >= 3 + data->size / 2 + 3 * data->height); + return(ibuf->free_list_len >= 3 + (ibuf->size / 2) + 3 * ibuf->height); } /************************************************************************* @@ -1709,12 +1889,10 @@ Allocates a new page from the ibuf file segment and adds it to the free list. */ static ulint -ibuf_add_free_page( -/*===============*/ +ibuf_add_free_page(void) +/*====================*/ /* out: DB_SUCCESS, or DB_STRONG_FAIL if no space left */ - ulint space, /* in: space id */ - ibuf_data_t* ibuf_data) /* in: ibuf data for the space */ { mtr_t mtr; page_t* header_page; @@ -1724,15 +1902,13 @@ ibuf_add_free_page( page_t* root; page_t* bitmap_page; - ut_a(space == 0); - mtr_start(&mtr); /* Acquire the fsp latch before the ibuf header, obeying the latching order */ - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &zip_size), &mtr); - header_page = ibuf_header_page_get(space, &mtr); + header_page = ibuf_header_page_get(&mtr); /* Allocate a new page: NOTE that if the page has been a part of a non-clustered index which has subsequently been dropped, then the @@ -1744,9 +1920,10 @@ ibuf_add_free_page( of a deadlock. This is the reason why we created a special ibuf header page apart from the ibuf tree. */ - page_no = fseg_alloc_free_page(header_page + IBUF_HEADER - + IBUF_TREE_SEG_HEADER, 0, FSP_UP, - &mtr); + page_no = fseg_alloc_free_page( + header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, 0, FSP_UP, + &mtr); + if (page_no == FIL_NULL) { mtr_commit(&mtr); @@ -1754,11 +1931,15 @@ ibuf_add_free_page( } { - buf_block_t* block = buf_page_get( - space, 0, page_no, RW_X_LATCH, &mtr); + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); #endif /* UNIV_SYNC_DEBUG */ + page = buf_block_get_frame(block); } @@ -1766,7 +1947,7 @@ ibuf_add_free_page( mutex_enter(&ibuf_mutex); - root = ibuf_tree_root_get(ibuf_data, space, &mtr); + root = ibuf_tree_root_get(&mtr); /* Add the page to the free list and update the ibuf size data */ @@ -1776,16 +1957,18 @@ ibuf_add_free_page( mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_IBUF_FREE_LIST, MLOG_2BYTES, &mtr); - ibuf_data->seg_size++; - ibuf_data->free_list_len++; + ibuf->seg_size++; + ibuf->free_list_len++; /* Set the bit indicating that this page is now an ibuf tree page (level 2 page) */ - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, &mtr); + bitmap_page = ibuf_bitmap_get_map_page( + IBUF_SPACE_ID, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, TRUE, &mtr); - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_IBUF, TRUE, &mtr); mtr_commit(&mtr); mutex_exit(&ibuf_mutex); @@ -1799,10 +1982,8 @@ ibuf_add_free_page( Removes a page from the free list and frees it to the fsp system. */ static void -ibuf_remove_free_page( -/*==================*/ - ulint space, /* in: space id */ - ibuf_data_t* ibuf_data) /* in: ibuf data for the space */ +ibuf_remove_free_page(void) +/*=======================*/ { mtr_t mtr; mtr_t mtr2; @@ -1813,15 +1994,13 @@ ibuf_remove_free_page( page_t* root; page_t* bitmap_page; - ut_a(space == 0); - mtr_start(&mtr); /* Acquire the fsp latch before the ibuf header, obeying the latching order */ - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &zip_size), &mtr); - header_page = ibuf_header_page_get(space, &mtr); + header_page = ibuf_header_page_get(&mtr); /* Prevent pessimistic inserts to insert buffer trees for a while */ mutex_enter(&ibuf_pessimistic_insert_mutex); @@ -1830,7 +2009,7 @@ ibuf_remove_free_page( mutex_enter(&ibuf_mutex); - if (!ibuf_data_too_much_free(ibuf_data)) { + if (!ibuf_data_too_much_free()) { mutex_exit(&ibuf_mutex); @@ -1845,11 +2024,10 @@ ibuf_remove_free_page( mtr_start(&mtr2); - root = ibuf_tree_root_get(ibuf_data, space, &mtr2); + root = ibuf_tree_root_get(&mtr2); page_no = flst_get_last(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - &mtr2) - .page; + &mtr2).page; /* NOTE that we must release the latch on the ibuf tree root because in fseg_free_page we access level 1 pages, and the root @@ -1867,26 +2045,31 @@ ibuf_remove_free_page( page from it. */ fseg_free_page(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, - space, page_no, &mtr); + IBUF_SPACE_ID, page_no, &mtr); + #ifdef UNIV_DEBUG_FILE_ACCESSES - buf_page_reset_file_page_was_freed(space, page_no); + buf_page_reset_file_page_was_freed(IBUF_SPACE_ID, page_no); #endif + ibuf_enter(); mutex_enter(&ibuf_mutex); - root = ibuf_tree_root_get(ibuf_data, space, &mtr); + root = ibuf_tree_root_get(&mtr); ut_ad(page_no == flst_get_last(root + PAGE_HEADER - + PAGE_BTR_IBUF_FREE_LIST, &mtr) - .page); + + PAGE_BTR_IBUF_FREE_LIST, &mtr).page); { - buf_block_t* block = buf_page_get( - space, 0, page_no, RW_X_LATCH, &mtr); + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ + page = buf_block_get_frame(block); } @@ -1895,20 +2078,22 @@ ibuf_remove_free_page( flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, &mtr); - ibuf_data->seg_size--; - ibuf_data->free_list_len--; + ibuf->seg_size--; + ibuf->free_list_len--; mutex_exit(&ibuf_pessimistic_insert_mutex); /* Set the bit indicating that this page is no more an ibuf tree page (level 2 page) */ - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, &mtr); + bitmap_page = ibuf_bitmap_get_map_page( + IBUF_SPACE_ID, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, FALSE, &mtr); - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_IBUF, FALSE, &mtr); #ifdef UNIV_DEBUG_FILE_ACCESSES - buf_page_set_file_page_was_freed(space, page_no); + buf_page_set_file_page_was_freed(IBUF_SPACE_ID, page_no); #endif mtr_commit(&mtr); @@ -1923,39 +2108,28 @@ thread calls fsp services to allocate a new file segment, or a new page to a file segment, and the thread did not own the fsp latch before this call. */ UNIV_INTERN void -ibuf_free_excess_pages( -/*===================*/ - ulint space) /* in: compressed page size in bytes, or 0 */ +ibuf_free_excess_pages(void) +/*=======================*/ { - ibuf_data_t* ibuf_data; ulint i; - if (space != 0) { - fprintf(stderr, - "InnoDB: Error: calling ibuf_free_excess_pages" - " for space %lu\n", (ulong) space); - return; - } - #ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(fil_space_get_latch(space, NULL), RW_LOCK_EX)); + ut_ad(rw_lock_own(fil_space_get_latch(IBUF_SPACE_ID, NULL), + RW_LOCK_EX)); #endif /* UNIV_SYNC_DEBUG */ - ut_ad(rw_lock_get_x_lock_count(fil_space_get_latch(space, NULL)) == 1); + + ut_ad(rw_lock_get_x_lock_count( + fil_space_get_latch(IBUF_SPACE_ID, NULL)) == 1); + ut_ad(!ibuf_inside()); /* NOTE: We require that the thread did not own the latch before, because then we know that we can obey the correct latching order for ibuf latches */ - ibuf_data = fil_space_get_ibuf_data(space); - - if (ibuf_data == NULL) { - /* Not yet initialized */ - -#if 0 /* defined UNIV_DEBUG */ - fprintf(stderr, - "Ibuf for space %lu not yet initialized\n", space); -#endif + if (!ibuf) { + /* Not yet initialized; not sure if this is possible, but + does no harm to check for it. */ return; } @@ -1967,7 +2141,7 @@ ibuf_free_excess_pages( mutex_enter(&ibuf_mutex); - if (!ibuf_data_too_much_free(ibuf_data)) { + if (!ibuf_data_too_much_free()) { mutex_exit(&ibuf_mutex); @@ -1976,7 +2150,7 @@ ibuf_free_excess_pages( mutex_exit(&ibuf_mutex); - ibuf_remove_free_page(space, ibuf_data); + ibuf_remove_free_page(); } } @@ -2051,14 +2225,13 @@ ibuf_get_merge_page_nos( rec_space_id = ibuf_rec_get_space(rec); if (rec_space_id != first_space_id - || rec_page_no / IBUF_MERGE_AREA - != first_page_no / IBUF_MERGE_AREA) { + || (rec_page_no / IBUF_MERGE_AREA) + != (first_page_no / IBUF_MERGE_AREA)) { break; - } + } else if (rec_page_no != prev_page_no + || rec_space_id != prev_space_id) { - if (rec_page_no != prev_page_no - || rec_space_id != prev_space_id) { n_pages++; } @@ -2167,11 +2340,7 @@ ibuf_contract_ext( issued read with the highest tablespace address to complete */ { - ulint rnd_pos; - ibuf_data_t* data; btr_pcur_t pcur; - ulint space; - ibool all_trees_empty; ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; ib_longlong space_versions[IBUF_MAX_N_PAGES_MERGED]; @@ -2180,54 +2349,16 @@ ibuf_contract_ext( mtr_t mtr; *n_pages = 0; -loop: ut_ad(!ibuf_inside()); mutex_enter(&ibuf_mutex); - ut_ad(ibuf_validate_low()); + if (ibuf->empty) { + mutex_exit(&ibuf_mutex); - /* Choose an ibuf tree at random (though there really is only one tree - in the current implementation) */ - ibuf_rnd += 865558671; - - rnd_pos = ibuf_rnd % ibuf->size; - - all_trees_empty = TRUE; - - data = UT_LIST_GET_FIRST(ibuf->data_list); - - for (;;) { - if (!data->empty) { - all_trees_empty = FALSE; - - if (rnd_pos < data->size) { - - break; - } - - rnd_pos -= data->size; - } - - data = UT_LIST_GET_NEXT(data_list, data); - - if (data == NULL) { - if (all_trees_empty) { - mutex_exit(&ibuf_mutex); - - return(0); - } - - data = UT_LIST_GET_FIRST(ibuf->data_list); - } + return(0); } - ut_ad(data); - - space = data->index->space; - - ut_a(space == 0); /* We currently only have an ibuf tree in - space 0 */ mtr_start(&mtr); ibuf_enter(); @@ -2235,13 +2366,16 @@ loop: /* Open a cursor to a randomly chosen leaf of the tree, at a random position within the leaf */ - btr_pcur_open_at_rnd_pos(data->index, BTR_SEARCH_LEAF, &pcur, &mtr); + btr_pcur_open_at_rnd_pos(ibuf->index, BTR_SEARCH_LEAF, &pcur, &mtr); - if (0 == page_get_n_recs(btr_pcur_get_page(&pcur))) { + if (page_get_n_recs(btr_pcur_get_page(&pcur)) == 0) { + /* When the ibuf tree is emptied completely, the last record + is removed using an optimistic delete and ibuf_size_update + is not called, causing ibuf->empty to remain FALSE. If we do + not reset it to TRUE here then database shutdown will hang + in the loop in ibuf_contract_for_n_pages. */ - /* This tree is empty */ - - data->empty = TRUE; + ibuf->empty = TRUE; ibuf_exit(); @@ -2250,14 +2384,15 @@ loop: mutex_exit(&ibuf_mutex); - goto loop; + return(0); } mutex_exit(&ibuf_mutex); - sum_sizes = ibuf_get_merge_page_nos(TRUE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, - page_nos, &n_stored); + sum_sizes = ibuf_get_merge_page_nos( + TRUE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, page_nos, &n_stored); + #if 0 /* defined UNIV_IBUF_DEBUG */ fprintf(stderr, "Ibuf contract sync %lu pages %lu volume %lu\n", sync, n_stored, sum_sizes); @@ -2441,13 +2576,18 @@ ibuf_get_volume_buffered( } { - buf_block_t* block = buf_page_get( - 0, 0, prev_page_no, RW_X_LATCH, mtr); + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, prev_page_no, RW_X_LATCH, mtr); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ + prev_page = buf_block_get_frame(block); } + #ifdef UNIV_BTR_DEBUG ut_a(btr_page_get_next(prev_page, mtr) == page_get_page_no(page)); @@ -2511,16 +2651,20 @@ count_later: } { - buf_block_t* block = buf_page_get( - 0, 0, next_page_no, RW_X_LATCH, mtr); + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, next_page_no, RW_X_LATCH, mtr); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ + next_page = buf_block_get_frame(block); } + #ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_prev(next_page, mtr) - == page_get_page_no(page)); + ut_a(btr_page_get_prev(next_page, mtr) == page_get_page_no(page)); #endif /* UNIV_BTR_DEBUG */ rec = page_get_infimum_rec(next_page); @@ -2558,22 +2702,18 @@ ibuf_update_max_tablespace_id(void) const rec_t* rec; const byte* field; ulint len; - ibuf_data_t* ibuf_data; - dict_index_t* ibuf_index; btr_pcur_t pcur; mtr_t mtr; - ibuf_data = fil_space_get_ibuf_data(0); - - ibuf_index = ibuf_data->index; - ut_a(!dict_table_is_comp(ibuf_index->table)); + ut_a(!dict_table_is_comp(ibuf->index->table)); ibuf_enter(); mtr_start(&mtr); - btr_pcur_open_at_index_side(FALSE, ibuf_index, BTR_SEARCH_LEAF, - &pcur, TRUE, &mtr); + btr_pcur_open_at_index_side( + FALSE, ibuf->index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + btr_pcur_move_to_prev(&pcur, &mtr); if (btr_pcur_is_before_first_on_page(&pcur)) { @@ -2598,6 +2738,165 @@ ibuf_update_max_tablespace_id(void) fil_set_max_space_id_if_bigger(max_space_id); } +/******************************************************************** +Helper function for ibuf_set_entry_counter. Checks if rec is for (space, +page_no), and if so, reads counter value from it and returns that + 1. +Otherwise, returns 0. */ +static +ulint +ibuf_set_entry_counter_low( +/*=======================*/ + /* out: new counter value */ + rec_t* rec, /* in: record */ + ulint space, /* in: space id */ + ulint page_no) /* in: page number */ +{ + ulint counter; + + if (ibuf_rec_get_space(rec) == space + && ibuf_rec_get_page_no(rec) == page_no) { + + ibuf_rec_get_info(rec, NULL, NULL, NULL, &counter); + ut_a(counter < 0xFFFF); + counter++; + } else { + /* No entries in ibuf tree for (space, page_no). */ + + counter = 0; + } + + return(counter); +} + +/******************************************************************** +Set the counter field in entry to the correct value based on the current +last record in ibuf for (space, page_no). */ +static +ibool +ibuf_set_entry_counter( +/*===================*/ + /* out: FALSE if we should abort + this insertion to ibuf */ + dtuple_t* entry, /* in: entry to patch */ + ulint space, /* in: space id of entry */ + ulint page_no, /* in: page number of entry */ + btr_pcur_t* pcur, /* in: pcur positioned on the record + found by btr_pcur_open(.., entry, + PAGE_CUR_LE, ..., pcur, ...) */ + ibool is_optimistic, /* in: is this an optimistic insert */ + mtr_t* mtr) /* in: mtr */ +{ + ulint counter = 0xFFFF + 1; + dfield_t* field; + void* data; + + /* FIXME: if pcur (or the previous rec if we're on infimum) points + to a record that has no counter field, return FALSE since we can't + mix records with counters with records without counters. */ + + /* pcur points to either a user rec or to a page's infimum record. */ + + if (btr_pcur_is_on_user_rec(pcur)) { + + counter = ibuf_set_entry_counter_low( + btr_pcur_get_rec(pcur), space, page_no); + + } else if (btr_pcur_is_before_first_in_tree(pcur, mtr)) { + /* Ibuf tree is either completely empty, or the insert + position is at the very first record of a non-empty tree. In + either case we have no previous records for (space, + page_no). */ + + counter = 0; + } else if (btr_pcur_is_before_first_on_page(pcur)) { + btr_cur_t* cursor = btr_pcur_get_btr_cur(pcur); + + if (cursor->low_match < 3) { + /* If low_match < 3, we know that the father node + pointer did not contain the searched for (space, + page_no), which means that the search ended on the + right page regardless of the counter value, and + since we're at the infimum record, there are no + existing records. */ + + counter = 0; + } else { + rec_t* rec; + page_t* page; + buf_block_t* block; + page_t* prev_page; + ulint prev_page_no; + + ut_a(cursor->ibuf_cnt != ULINT_UNDEFINED); + + page = btr_pcur_get_page(pcur); + prev_page_no = btr_page_get_prev(page, mtr); + + ut_ad(prev_page_no != FIL_NULL); + + + block = buf_page_get( + IBUF_SPACE_ID, 0, prev_page_no, + RW_X_LATCH, mtr); + +#ifdef UNIV_SYNC_DEBUG + buf_block_dbg_add_level(block, SYNC_TREE_NODE); +#endif /* UNIV_SYNC_DEBUG */ + + prev_page = buf_block_get_frame(block); + + rec = page_rec_get_prev( + page_get_supremum_rec(prev_page)); + + ut_ad(page_rec_is_user_rec(rec)); + + counter = ibuf_set_entry_counter_low( + rec, space, page_no); + + if (counter < cursor->ibuf_cnt) { + /* Search ended on the wrong page. */ + + if (is_optimistic) { + /* In an optimistic insert, we can + shift the insert position to the left + page, since it only needs an X-latch + on the page itself, which the + original search acquired for us. */ + + btr_cur_position( + ibuf->index, rec, block, + btr_pcur_get_btr_cur(pcur)); + } else { + /* We can't shift the insert + position to the left page in a + pessimistic insert since it would + require an X-latch on the left + page's left page, so we have to + abort. */ + + return(FALSE); + } + } else { + /* The counter field in the father node is + the same as we would insert; we don't know + whether the insert should go to this page or + the left page (the later fields can differ), + so refuse the insert. */ + + return(FALSE); + } + } + } + + /* Patch counter value in already built entry. */ + field = dtuple_get_nth_field(entry, 3); + data = dfield_get_data(field); + + mach_write_to_2((byte*) data + IBUF_REC_OFFSET_COUNTER, counter); + + return(TRUE); +} + /************************************************************************* Makes an index insert to the insert buffer, instead of directly to the disk page, if this is possible. */ @@ -2607,6 +2906,7 @@ ibuf_insert_low( /*============*/ /* out: DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ ulint mode, /* in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ + ibuf_op_t op, /* in: operation type */ const dtuple_t* entry, /* in: index entry to insert */ ulint entry_size, /* in: rec_get_converted_size(index, entry) */ @@ -2626,8 +2926,6 @@ ibuf_insert_low( rec_t* ins_rec; ibool old_bit_value; page_t* bitmap_page; - ibuf_data_t* ibuf_data; - dict_index_t* ibuf_index; page_t* root; ulint err; ibool do_merge; @@ -2642,18 +2940,12 @@ ibuf_insert_low( ut_a(!dict_index_is_clust(index)); ut_ad(dtuple_check_typed(entry)); ut_ad(ut_is_2pow(zip_size)); + ut_a(op < IBUF_OP_COUNT); ut_a(trx_sys_multiple_tablespace_format); do_merge = FALSE; - /* Currently the insert buffer of space 0 takes care of inserts to all - tablespaces */ - - ibuf_data = fil_space_get_ibuf_data(0); - - ibuf_index = ibuf_data->index; - mutex_enter(&ibuf_mutex); if (ibuf->size >= ibuf->max_size + IBUF_CONTRACT_DO_NOT_INSERT) { @@ -2680,7 +2972,7 @@ ibuf_insert_low( mutex_enter(&ibuf_mutex); - while (!ibuf_data_enough_free_for_insert(ibuf_data)) { + while (!ibuf_data_enough_free_for_insert()) { mutex_exit(&ibuf_mutex); @@ -2688,7 +2980,7 @@ ibuf_insert_low( mutex_exit(&ibuf_pessimistic_insert_mutex); - err = ibuf_add_free_page(0, ibuf_data); + err = ibuf_add_free_page(); if (err == DB_STRONG_FAIL) { @@ -2707,11 +2999,16 @@ ibuf_insert_low( heap = mem_heap_create(512); - /* Build the entry which contains the space id and the page number as - the first fields and the type information for other fields, and which - will be inserted to the insert buffer. */ + /* Build the entry which contains the space id and the page number + as the first fields and the type information for other fields, and + which will be inserted to the insert buffer. Using a counter value + of 0xFFFF we find the last record for (space, page_no), from which + we can then read the counter value N and use N + 1 in the record we + insert. (We patch the ibuf_entry's counter field to the correct + value just before actually inserting the entry.) */ - ibuf_entry = ibuf_entry_build(index, entry, space, page_no, heap); + ibuf_entry = ibuf_entry_build( + op, index, entry, space, page_no, 0xFFFF, heap); /* Open a cursor to the insert buffer tree to calculate if we can add the new entry to it without exceeding the free space limit for the @@ -2719,7 +3016,15 @@ ibuf_insert_low( mtr_start(&mtr); - btr_pcur_open(ibuf_index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); + btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); + + /* Don't buffer deletes if the page has been read in to the buffer + pool. */ + if (op == IBUF_OP_DELETE && buf_pool_watch_happened(space, page_no)) { + err = DB_STRONG_FAIL; + + goto function_exit; + } /* Find out the volume of already buffered inserts for the same index page */ @@ -2730,8 +3035,8 @@ ibuf_insert_low( #endif mtr_start(&bitmap_mtr); - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, - zip_size, &bitmap_mtr); + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, &bitmap_mtr); /* We check if the index page is suitable for buffered entries */ @@ -2744,21 +3049,35 @@ ibuf_insert_low( goto function_exit; } - bits = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, &bitmap_mtr); + bits = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, &bitmap_mtr); if (buffered + entry_size + page_dir_calc_reserved_space(1) > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { - mtr_commit(&bitmap_mtr); /* It may not fit */ err = DB_STRONG_FAIL; + mtr_commit(&bitmap_mtr); + do_merge = TRUE; - ibuf_get_merge_page_nos(FALSE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, - page_nos, &n_stored); + ibuf_get_merge_page_nos( + FALSE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, page_nos, &n_stored); + + goto function_exit; + } + + /* Patch correct counter value to the entry to insert. This can + change the insert position, which can result in the need to abort in + some cases. */ + if (!ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, + mode == BTR_MODIFY_PREV, &mtr)) { + err = DB_STRONG_FAIL; + + mtr_commit(&bitmap_mtr); + goto function_exit; } @@ -2768,6 +3087,7 @@ ibuf_insert_low( old_bit_value = ibuf_bitmap_page_get_bits( bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, &bitmap_mtr); + if (!old_bit_value) { ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, TRUE, @@ -2795,7 +3115,7 @@ ibuf_insert_low( which would cause the x-latching of the root after that to break the latching order. */ - root = ibuf_tree_root_get(ibuf_data, 0, &mtr); + root = ibuf_tree_root_get(&mtr); err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG | BTR_NO_UNDO_LOG_FLAG, @@ -2808,7 +3128,7 @@ ibuf_insert_low( thr_get_trx(thr)->id); } - ibuf_data_sizes_update(ibuf_data, root, &mtr); + ibuf_size_update(root, &mtr); } function_exit: @@ -2824,7 +3144,6 @@ function_exit: } #endif if (mode == BTR_MODIFY_TREE) { - ut_ad(ibuf_validate_low()); mutex_exit(&ibuf_mutex); mutex_exit(&ibuf_pessimistic_insert_mutex); @@ -2839,8 +3158,7 @@ function_exit: mutex_enter(&ibuf_mutex); if (err == DB_SUCCESS) { - ibuf_data->empty = FALSE; - ibuf_data->n_inserts++; + ibuf->empty = FALSE; } mutex_exit(&ibuf_mutex); @@ -2861,14 +3179,15 @@ function_exit: } /************************************************************************* -Makes an index insert to the insert buffer, instead of directly to the disk -page, if this is possible. Does not do insert if the index is clustered -or unique. */ +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. Does not do it if the index +is clustered or unique. */ UNIV_INTERN ibool ibuf_insert( /*========*/ /* out: TRUE if success */ + ibuf_op_t op, /* in: operation type */ const dtuple_t* entry, /* in: index entry to insert */ dict_index_t* index, /* in: index where to insert */ ulint space, /* in: space id where to insert */ @@ -2878,25 +3197,26 @@ ibuf_insert( { ulint err; ulint entry_size; + ibool comp = dict_table_is_comp(index->table); ut_a(trx_sys_multiple_tablespace_format); ut_ad(dtuple_check_typed(entry)); ut_ad(ut_is_2pow(zip_size)); + ut_a(op < IBUF_OP_COUNT); ut_a(!dict_index_is_clust(index)); entry_size = rec_get_converted_size(index, entry, 0); - if (entry_size - >= (page_get_free_space_of_empty(dict_table_is_comp(index->table)) - / 2)) { + if (entry_size >= (page_get_free_space_of_empty(comp) / 2)) { + return(FALSE); } - err = ibuf_insert_low(BTR_MODIFY_PREV, entry, entry_size, + err = ibuf_insert_low(BTR_MODIFY_PREV, op, entry, entry_size, index, space, zip_size, page_no, thr); if (err == DB_FAIL) { - err = ibuf_insert_low(BTR_MODIFY_TREE, entry, entry_size, + err = ibuf_insert_low(BTR_MODIFY_TREE, op, entry, entry_size, index, space, zip_size, page_no, thr); } @@ -2970,8 +3290,8 @@ dump: return; } - low_match = page_cur_search(block, index, entry, - PAGE_CUR_LE, &page_cur); + low_match = page_cur_search( + block, index, entry, PAGE_CUR_LE, &page_cur); if (low_match == dtuple_get_n_fields(entry)) { buf_block_t* block; @@ -2981,7 +3301,7 @@ dump: block = page_cur_get_block(&page_cur); page_zip = buf_block_get_page_zip(block); - btr_cur_del_unmark_for_ibuf(rec, page_zip, mtr); + btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, FALSE, mtr); } else { rec = page_cur_tuple_insert(&page_cur, entry, index, 0, mtr); @@ -3043,6 +3363,100 @@ dump: } } +/******************************************************************** +During merge, sets the delete mark on a record for a secondary index +entry. */ +static +void +ibuf_set_del_mark( +/*==============*/ + dtuple_t* entry, /* in: entry */ + buf_block_t* block, /* in: block */ + dict_index_t* index, /* in: record descriptor */ + mtr_t* mtr) /* in: mtr */ +{ + page_cur_t page_cur; + ulint low_match; + + ut_ad(ibuf_inside()); + ut_ad(dtuple_check_typed(entry)); + + low_match = page_cur_search( + block, index, entry, PAGE_CUR_LE, &page_cur); + + if (low_match == dtuple_get_n_fields(entry)) { + rec_t* rec; + page_zip_des_t* page_zip; + + rec = page_cur_get_rec(&page_cur); + block = page_cur_get_block(&page_cur); + page_zip = buf_block_get_page_zip(block); + + btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, TRUE, mtr); + } else { + /* This can happen benignly in some situations. */ + } +} + +/******************************************************************** +During merge, delete a record for a secondary index entry. */ +static +void +ibuf_delete( +/*========*/ + dtuple_t* entry, /* in: entry */ + buf_block_t* block, /* in: block */ + dict_index_t* index, /* in: record descriptor */ + mtr_t* mtr) /* in: mtr */ +{ + page_cur_t page_cur; + ulint low_match; + + ut_ad(ibuf_inside()); + ut_ad(dtuple_check_typed(entry)); + + low_match = page_cur_search( + block, index, entry, PAGE_CUR_LE, &page_cur); + + if (low_match == dtuple_get_n_fields(entry)) { + page_t* page; + rec_t* rec = page_cur_get_rec(&page_cur); + + /* TODO: the below should probably be a separate function, + it's a bastardized version of btr_cur_optimistic_delete. */ + + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + mem_heap_t* heap = NULL; + ulint max_ins_size; + + rec_offs_init(offsets_); + + offsets = rec_get_offsets( + rec, index, offsets, ULINT_UNDEFINED, &heap); + + lock_update_delete(block, rec); + + page = buf_block_get_frame(block); + + max_ins_size = page_get_max_insert_size_after_reorganize( + page, 1); + + page_cur_delete_rec(&page_cur, index, offsets, mtr); + + ibuf_update_free_bits_low(block, max_ins_size, mtr); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } else { + /* This can happen benignly in some situations: either when + we crashed at just the right time, or on database startup + when we redo some old log entries (due to worse stored + position granularity on disk than in memory). */ + } +} + /************************************************************************* Deletes from ibuf the record on which pcur is positioned. If we have to resort to a pessimistic delete, this function commits mtr and closes @@ -3063,7 +3477,6 @@ ibuf_delete_rec( mtr_t* mtr) /* in: mtr */ { ibool success; - ibuf_data_t* ibuf_data; page_t* root; ulint err; @@ -3088,11 +3501,6 @@ ibuf_delete_rec( btr_pcur_commit_specify_mtr(pcur, mtr); - /* Currently the insert buffer of space 0 takes care of inserts to all - tablespaces */ - - ibuf_data = fil_space_get_ibuf_data(0); - mutex_enter(&ibuf_mutex); mtr_start(mtr); @@ -3119,7 +3527,7 @@ ibuf_delete_rec( btr_pcur_commit_specify_mtr(pcur, mtr); fputs("InnoDB: Validating insert buffer tree:\n", stderr); - if (!btr_validate_index(ibuf_data->index, NULL)) { + if (!btr_validate_index(ibuf->index, NULL)) { ut_error; } @@ -3133,7 +3541,7 @@ ibuf_delete_rec( return(TRUE); } - root = ibuf_tree_root_get(ibuf_data, 0, mtr); + root = ibuf_tree_root_get(mtr); btr_cur_pessimistic_delete(&err, TRUE, btr_pcur_get_btr_cur(pcur), FALSE, mtr); @@ -3144,9 +3552,7 @@ ibuf_delete_rec( #else UT_NOT_USED(space); #endif - ibuf_data_sizes_update(ibuf_data, root, mtr); - - ut_ad(ibuf_validate_low()); + ibuf_size_update(root, mtr); btr_pcur_commit_specify_mtr(pcur, mtr); @@ -3159,11 +3565,11 @@ ibuf_delete_rec( /************************************************************************* When an index page is read from a disk to the buffer pool, this function -inserts to the page the possible index entries buffered in the insert buffer. -The entries are deleted from the insert buffer. If the page is not read, but -created in the buffer pool, this function deletes its buffered entries from -the insert buffer; there can exist entries for such a page if the page -belonged to an index which subsequently was dropped. */ +applies any buffered operations to the page and deletes the entries from the +insert buffer. If the page is not read, but created in the buffer pool, this +function deletes its buffered entries from the insert buffer; there can +exist entries for such a page if the page belonged to an index which +subsequently was dropped. */ UNIV_INTERN void ibuf_merge_or_delete_for_page( @@ -3183,12 +3589,7 @@ ibuf_merge_or_delete_for_page( { mem_heap_t* heap; btr_pcur_t pcur; - dtuple_t* entry; dtuple_t* search_tuple; - rec_t* ibuf_rec; - page_t* bitmap_page; - ibuf_data_t* ibuf_data; - ulint n_inserts; #ifdef UNIV_IBUF_DEBUG ulint volume; #endif @@ -3197,6 +3598,10 @@ ibuf_merge_or_delete_for_page( ibool corruption_noticed = FALSE; mtr_t mtr; + /* Counts for merged & discarded operations. */ + ulint mops[IBUF_OP_COUNT]; + ulint dops[IBUF_OP_COUNT]; + ut_ad(!block || buf_block_get_space(block) == space); ut_ad(!block || buf_block_get_page_no(block) == page_no); ut_ad(!block || buf_block_get_zip_size(block) == zip_size); @@ -3204,24 +3609,24 @@ ibuf_merge_or_delete_for_page( if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { return; - } + } else if (trx_sys_hdr_page(space, page_no)) { - if (trx_sys_hdr_page(space, page_no)) { return; - } + } else if (ibuf_fixed_addr_page(space, 0, page_no) + || fsp_descr_page(0, page_no)) { - /* The following assumes that the uncompressed page size - is a power-of-2 multiple of zip_size. */ - if (ibuf_fixed_addr_page(space, 0, page_no) - || fsp_descr_page(0, page_no)) { + /* This assumes that the uncompressed page size + is a power-of-2 multiple of zip_size. */ return; } if (UNIV_LIKELY(update_ibuf_bitmap)) { + ut_a(ut_is_2pow(zip_size)); if (ibuf_fixed_addr_page(space, zip_size, page_no) || fsp_descr_page(zip_size, page_no)) { + return; } @@ -3239,9 +3644,12 @@ ibuf_merge_or_delete_for_page( block = NULL; update_ibuf_bitmap = FALSE; } else { + page_t* bitmap_page; + mtr_start(&mtr); - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, - zip_size, &mtr); + + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, &mtr); if (!ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, @@ -3258,18 +3666,13 @@ ibuf_merge_or_delete_for_page( } mtr_commit(&mtr); } - } else if (block) { - if (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no)) { - return; - } + } else if (block + && (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no))) { + + return; } - /* Currently the insert buffer of space 0 takes care of inserts to all - tablespaces */ - - ibuf_data = fil_space_get_ibuf_data(0); - ibuf_enter(); heap = mem_heap_create(512); @@ -3294,6 +3697,8 @@ ibuf_merge_or_delete_for_page( if (UNIV_UNLIKELY(fil_page_get_type(block->frame) != FIL_PAGE_INDEX)) { + page_t* bitmap_page; + corruption_noticed = TRUE; ut_print_timestamp(stderr); @@ -3334,7 +3739,9 @@ ibuf_merge_or_delete_for_page( } } - n_inserts = 0; + memset(mops, 0, sizeof(mops)); + memset(dops, 0, sizeof(dops)); + #ifdef UNIV_IBUF_DEBUG volume = 0; #endif @@ -3342,11 +3749,14 @@ loop: mtr_start(&mtr); if (block) { - ibool success = buf_page_get_known_nowait(RW_X_LATCH, block, - BUF_KEEP_OLD, - __FILE__, __LINE__, - &mtr); + ibool success; + + success = buf_page_get_known_nowait( + RW_X_LATCH, block, + BUF_KEEP_OLD, __FILE__, __LINE__, &mtr); + ut_a(success); + #ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); #endif /* UNIV_SYNC_DEBUG */ @@ -3354,8 +3764,10 @@ loop: /* Position pcur in the insert buffer at the first entry for this index page */ - btr_pcur_open_on_user_rec(ibuf_data->index, search_tuple, PAGE_CUR_GE, - BTR_MODIFY_LEAF, &pcur, &mtr); + btr_pcur_open_on_user_rec( + ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, + &pcur, &mtr); + if (!btr_pcur_is_on_user_rec(&pcur)) { ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); @@ -3363,49 +3775,81 @@ loop: } for (;;) { + rec_t* rec; + ut_ad(btr_pcur_is_on_user_rec(&pcur)); - ibuf_rec = btr_pcur_get_rec(&pcur); + rec = btr_pcur_get_rec(&pcur); /* Check if the entry is for this index page */ - if (ibuf_rec_get_page_no(ibuf_rec) != page_no - || ibuf_rec_get_space(ibuf_rec) != space) { + if (ibuf_rec_get_page_no(rec) != page_no + || ibuf_rec_get_space(rec) != space) { + if (block) { page_header_reset_last_insert( block->frame, page_zip, &mtr); } + goto reset_bit; } if (UNIV_UNLIKELY(corruption_noticed)) { fputs("InnoDB: Discarding record\n ", stderr); - rec_print_old(stderr, ibuf_rec); + rec_print_old(stderr, rec); fputs("\nInnoDB: from the insert buffer!\n\n", stderr); } else if (block) { /* Now we have at pcur a record which should be inserted to the index page; NOTE that the call below - copies pointers to fields in ibuf_rec, and we must - keep the latch to the ibuf_rec page until the + copies pointers to fields in rec, and we must + keep the latch to the rec page until the insertion is finished! */ + dtuple_t* entry; + dulint max_trx_id; dict_index_t* dummy_index; - dulint max_trx_id = page_get_max_trx_id( - page_align(ibuf_rec)); + ibuf_op_t op = ibuf_rec_get_op_type(rec); + + max_trx_id = page_get_max_trx_id(page_align(rec)); page_update_max_trx_id(block, page_zip, max_trx_id); entry = ibuf_build_entry_from_ibuf_rec( - ibuf_rec, heap, &dummy_index); + rec, heap, &dummy_index); #ifdef UNIV_IBUF_DEBUG - volume += rec_get_converted_size(dummy_index, entry, 0) - + page_dir_calc_reserved_space(1); - ut_a(volume <= 4 * UNIV_PAGE_SIZE - / IBUF_PAGE_SIZE_PER_FREE_SPACE); -#endif - ibuf_insert_to_index_page(entry, block, - dummy_index, &mtr); - ibuf_dummy_index_free(dummy_index); - } + if (op == IBUF_OP_INSERT) { - n_inserts++; + volume += rec_get_converted_size( + dummy_index, entry, 0); + + volume += page_dir_calc_reserved_space(1); + + ut_a(volume <= 4 * UNIV_PAGE_SIZE + / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } +#endif + switch (op) { + case IBUF_OP_INSERT: + ibuf_insert_to_index_page( + entry, block, dummy_index, &mtr); + break; + + case IBUF_OP_DELETE_MARK: + ibuf_set_del_mark( + entry, block, dummy_index, &mtr); + break; + + case IBUF_OP_DELETE: + ibuf_delete(entry, block, dummy_index, &mtr); + break; + + default: + ut_error; + } + + mops[op]++; + + ibuf_dummy_index_free(dummy_index); + } else { + dops[ibuf_rec_get_op_type(rec)]++; + } /* Delete the record from ibuf */ if (ibuf_delete_rec(space, page_no, &pcur, search_tuple, @@ -3414,9 +3858,7 @@ loop: we start from the beginning again */ goto loop; - } - - if (btr_pcur_is_after_last_on_page(&pcur)) { + } else if (btr_pcur_is_after_last_on_page(&pcur)) { mtr_commit(&mtr); btr_pcur_close(&pcur); @@ -3425,43 +3867,32 @@ loop: } reset_bit: -#ifdef UNIV_IBUF_COUNT_DEBUG - if (ibuf_count_get(space, page_no) > 0) { - /* btr_print_tree(ibuf_data->index->tree, 100); - ibuf_print(); */ - } -#endif if (UNIV_LIKELY(update_ibuf_bitmap)) { - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, - zip_size, &mtr); - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_BUFFERED, FALSE, &mtr); + page_t* bitmap_page; + + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_BUFFERED, FALSE, &mtr); + if (block) { ulint old_bits = ibuf_bitmap_page_get_bits( bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, &mtr); + ulint new_bits = ibuf_index_page_calc_free( zip_size, block); -#if 0 /* defined UNIV_IBUF_DEBUG */ - fprintf(stderr, "Old bits %lu new bits %lu" - " max size %lu\n", - old_bits, new_bits, - page_get_max_insert_size_after_reorganize( - page, 1)); -#endif + if (old_bits != new_bits) { - ibuf_bitmap_page_set_bits(bitmap_page, page_no, - zip_size, - IBUF_BITMAP_FREE, - new_bits, &mtr); + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, new_bits, &mtr); } } } -#if 0 /* defined UNIV_IBUF_DEBUG */ - fprintf(stderr, - "Ibuf merge %lu records volume %lu to page no %lu\n", - n_inserts, volume, page_no); -#endif + mtr_commit(&mtr); btr_pcur_close(&pcur); mem_heap_free(heap); @@ -3469,8 +3900,9 @@ reset_bit: /* Protect our statistics keeping from race conditions */ mutex_enter(&ibuf_mutex); - ibuf_data->n_merges++; - ibuf_data->n_merged_recs += n_inserts; + ibuf->n_merges++; + ibuf_add_ops(ibuf->n_merged_ops, mops); + ibuf_add_ops(ibuf->n_discarded_ops, dops); mutex_exit(&ibuf_mutex); @@ -3480,6 +3912,7 @@ reset_bit: } ibuf_exit(); + #ifdef UNIV_IBUF_COUNT_DEBUG ut_a(ibuf_count_get(space, page_no) == 0); #endif @@ -3502,14 +3935,10 @@ ibuf_delete_for_discarded_space( rec_t* ibuf_rec; ulint page_no; ibool closed; - ibuf_data_t* ibuf_data; - ulint n_inserts; mtr_t mtr; - /* Currently the insert buffer of space 0 takes care of inserts to all - tablespaces */ - - ibuf_data = fil_space_get_ibuf_data(0); + /* Counts for discarded operations. */ + ulint dops[IBUF_OP_COUNT]; heap = mem_heap_create(512); @@ -3518,7 +3947,7 @@ ibuf_delete_for_discarded_space( search_tuple = ibuf_new_search_tuple_build(space, 0, heap); - n_inserts = 0; + memset(dops, 0, sizeof(dops)); loop: ibuf_enter(); @@ -3526,8 +3955,10 @@ loop: /* Position pcur in the insert buffer at the first entry for the space */ - btr_pcur_open_on_user_rec(ibuf_data->index, search_tuple, PAGE_CUR_GE, - BTR_MODIFY_LEAF, &pcur, &mtr); + btr_pcur_open_on_user_rec( + ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, + &pcur, &mtr); + if (!btr_pcur_is_on_user_rec(&pcur)) { ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); @@ -3547,7 +3978,7 @@ loop: page_no = ibuf_rec_get_page_no(ibuf_rec); - n_inserts++; + dops[ibuf_rec_get_op_type(ibuf_rec)]++; /* Delete the record from ibuf */ closed = ibuf_delete_rec(space, page_no, &pcur, search_tuple, @@ -3577,51 +4008,14 @@ leave_loop: /* Protect our statistics keeping from race conditions */ mutex_enter(&ibuf_mutex); - - ibuf_data->n_merges++; - ibuf_data->n_merged_recs += n_inserts; - + ibuf_add_ops(ibuf->n_discarded_ops, dops); mutex_exit(&ibuf_mutex); - /* - fprintf(stderr, - "InnoDB: Discarded %lu ibuf entries for space %lu\n", - (ulong) n_inserts, (ulong) space); - */ + ibuf_exit(); mem_heap_free(heap); } -#ifdef UNIV_DEBUG -/********************************************************************** -Validates the ibuf data structures when the caller owns ibuf_mutex. */ -static -ibool -ibuf_validate_low(void) -/*===================*/ - /* out: TRUE if ok */ -{ - ibuf_data_t* data; - ulint sum_sizes; - - ut_ad(mutex_own(&ibuf_mutex)); - - sum_sizes = 0; - - data = UT_LIST_GET_FIRST(ibuf->data_list); - - while (data) { - sum_sizes += data->size; - - data = UT_LIST_GET_NEXT(data_list, data); - } - - ut_a(sum_sizes == ibuf->size); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - /********************************************************************** Looks if the insert buffer is empty. */ UNIV_INTERN @@ -3630,7 +4024,6 @@ ibuf_is_empty(void) /*===============*/ /* out: TRUE if empty */ { - ibuf_data_t* data; ibool is_empty; const page_t* root; mtr_t mtr; @@ -3639,17 +4032,15 @@ ibuf_is_empty(void) mutex_enter(&ibuf_mutex); - data = UT_LIST_GET_FIRST(ibuf->data_list); - mtr_start(&mtr); - root = ibuf_tree_root_get(data, 0, &mtr); + root = ibuf_tree_root_get(&mtr); if (page_get_n_recs(root) == 0) { is_empty = TRUE; - if (data->empty == FALSE) { + if (ibuf->empty == FALSE) { fprintf(stderr, "InnoDB: Warning: insert buffer tree is empty" " but the data struct does not\n" @@ -3658,15 +4049,13 @@ ibuf_is_empty(void) "InnoDB: run to completion.\n"); } } else { - ut_a(data->empty == FALSE); + ut_a(ibuf->empty == FALSE); is_empty = FALSE; } mtr_commit(&mtr); - ut_a(data->space == 0); - mutex_exit(&ibuf_mutex); ibuf_exit(); @@ -3682,39 +4071,42 @@ ibuf_print( /*=======*/ FILE* file) /* in: file where to print */ { - ibuf_data_t* data; #ifdef UNIV_IBUF_COUNT_DEBUG ulint i; #endif mutex_enter(&ibuf_mutex); - data = UT_LIST_GET_FIRST(ibuf->data_list); + fprintf(file, + "Ibuf: size %lu, free list len %lu, seg size %lu, %lu merges\n" + "total operations:\n ", + (ulong) ibuf->size, + (ulong) ibuf->free_list_len, + (ulong) ibuf->seg_size, + (ulong) ibuf->n_merges); + ibuf_print_ops(ibuf->n_ops, file); + + fprintf(file, "\nmerged operations:\n "); + ibuf_print_ops(ibuf->n_merged_ops, file); + + fprintf(file, "\ndiscarded operations:\n "); + ibuf_print_ops(ibuf->n_discarded_ops, file); + fputs("\n", file); - while (data) { - fprintf(file, - "Ibuf: size %lu, free list len %lu, seg size %lu,\n" - "%lu inserts, %lu merged recs, %lu merges\n", - (ulong) data->size, - (ulong) data->free_list_len, - (ulong) data->seg_size, - (ulong) data->n_inserts, - (ulong) data->n_merged_recs, - (ulong) data->n_merges); #ifdef UNIV_IBUF_COUNT_DEBUG - for (i = 0; i < IBUF_COUNT_N_PAGES; i++) { - if (ibuf_count_get(data->space, i) > 0) { + for (i = 0; i < IBUF_COUNT_N_SPACES; i++) { + for (j = 0; j < IBUF_COUNT_N_PAGES; j++) { + ulint count = ibuf_count_get(i, j); + if (count > 0) { fprintf(stderr, - "Ibuf count for page %lu is %lu\n", - (ulong) i, - (ulong) - ibuf_count_get(data->space, i)); + "Ibuf count for space/page %lu/%lu" + " is %lu\n", + (ulong) i, (ulong) j, (ulong) count); } } -#endif - data = UT_LIST_GET_NEXT(data_list, data); } +#endif /* UNIV_IBUF_COUNT_DEBUG */ mutex_exit(&ibuf_mutex); } diff --git a/include/btr0btr.h b/include/btr0btr.h index b75661bd245..3b1fff1fa7c 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -42,6 +42,8 @@ failure. */ #define BTR_SEARCH_PREV 35 #define BTR_MODIFY_PREV 36 +/* BTR_INSERT, BTR_DELETE and BTR_DELETE_MARK are mutually exclusive. */ + /* If this is ORed to the latch mode, it means that the search tuple will be inserted to the index, at the searched position */ #define BTR_INSERT 512 @@ -55,6 +57,19 @@ UNIQUE definition on secondary indexes when we decide if we can use the insert buffer to speed up inserts */ #define BTR_IGNORE_SEC_UNIQUE 2048 +/* Try to delete mark the record at the searched position using the +insert/delete buffer. */ +#define BTR_DELETE_MARK 4096 + +/* Try to delete the record at the searched position using the insert/delete +buffer. */ +#define BTR_DELETE 8192 + +/* If the leaf page is not in the buffer pool: don't read it in, set +cursor->leaf_in_buf_pool to FALSE, and set buf_pool_t::watch_* that +watches for the page to get read in. */ +#define BTR_WATCH_LEAF 16384 + /****************************************************************** Gets the root node of a tree and x-latches it. */ UNIV_INTERN diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 5bbabe7e07c..2ed36d588a5 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -118,7 +118,7 @@ btr_page_get_level( /*===============*/ /* out: level, leaf level == 0 */ const page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) + mtr_t* mtr UNIV_UNUSED) /* in: mini-transaction handle */ { ut_ad(page && mtr); @@ -160,7 +160,7 @@ btr_page_get_next( /*==============*/ /* out: next page number */ const page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) + mtr_t* mtr UNIV_UNUSED) /* in: mini-transaction handle */ { ut_ad(page && mtr); @@ -200,7 +200,7 @@ btr_page_get_prev( /*==============*/ /* out: prev page number */ const page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ + mtr_t* mtr UNIV_UNUSED) /* in: mini-transaction handle */ { ut_ad(page && mtr); diff --git a/include/btr0cur.h b/include/btr0cur.h index a77b87b2421..014a511d086 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -312,8 +312,8 @@ btr_cur_del_mark_set_sec_rec( que_thr_t* thr, /* in: query thread */ mtr_t* mtr); /* in: mtr */ /*************************************************************** -Sets a secondary index record delete mark to FALSE. This function is -only used by the insert buffer insert merge mechanism. */ +Sets a secondary index record delete mark to the given value. This +function is only used by the insert buffer insert merge mechanism. */ UNIV_INTERN void btr_cur_del_unmark_for_ibuf( @@ -323,6 +323,7 @@ btr_cur_del_unmark_for_ibuf( corresponding to rec, or NULL when the tablespace is uncompressed */ + ibool val, /* value to set */ mtr_t* mtr); /* in: mtr */ /***************************************************************** Tries to compress a page of the tree if it seems useful. It is assumed @@ -572,7 +573,20 @@ btr_push_update_extern_fields( const upd_t* update, /* in: update vector */ mem_heap_t* heap) /* in: memory heap */ __attribute__((nonnull)); +/*************************************************************** +Sets a secondary index record's delete mark to the given value. This +function is only used by the insert buffer merge mechanism. */ +void +btr_cur_set_deleted_flag_for_ibuf( +/*==============================*/ + rec_t* rec, /* in: record */ + page_zip_des_t* page_zip, /* in/out: compressed page + corresponding to rec, or NULL + when the tablespace is + uncompressed */ + ibool val, /* in: value to set */ + mtr_t* mtr); /* in: mtr */ /*######################################################################*/ /* In the pessimistic delete, if the page data size drops below this @@ -657,6 +671,28 @@ struct btr_cur_struct { NULL */ ulint fold; /* fold value used in the search if flag is BTR_CUR_HASH */ + /*----- Delete buffering -------*/ + ulint ibuf_cnt; /* in searches done on insert buffer + trees, this contains the "counter" + value (the first two bytes of the + fourth field) extracted from the + page above the leaf page, from the + father node pointer that pointed to + the leaf page. in other words, it + contains the minimum counter value + for records to be inserted on the + chosen leaf page. If for some reason + this can't be read, or if the search + ended on the leftmost leaf page in + the tree (in which case the father + node pointer had the 'minimum + record' flag set), this is + ULINT_UNDEFINED. */ + ibool leaf_in_buf_pool; + /* in: in searches done with + BTR_CHECK_LEAF, this is TRUE if the + leaf page is in the buffer pool, + FALSE otherwise. */ /*------------------------------*/ btr_path_t* path_arr; /* in estimating the number of rows in range, we store in this array @@ -675,6 +711,13 @@ struct btr_cur_struct { #define BTR_CUR_BINARY 3 /* success using the binary search */ #define BTR_CUR_INSERT_TO_IBUF 4 /* performed the intended insert to the insert buffer */ +#define BTR_CUR_DEL_MARK_IBUF 5 /* performed the intended delete + mark in the insert/delete buffer */ +#define BTR_CUR_DELETE_IBUF 6 /* performed the intended delete in + the insert/delete buffer */ +#define BTR_CUR_ABORTED 7 /* search with BTR_CHECK_LEAF + aborted due to leaf page not being + in buffer pool */ /* If pessimistic delete fails because of lack of file space, there is still a good change of success a little later: try this many times, diff --git a/include/btr0pcur.h b/include/btr0pcur.h index b38decb6031..1b25af0b9ae 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -79,6 +79,16 @@ btr_pcur_open( btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ mtr_t* mtr); /* in: mtr */ /****************************************************************** +Check if an operation was buffered. */ +UNIV_INLINE +ibool +btr_pcur_was_buffered( +/*==================*/ + /* out: TRUE if the operation was buffered + in the insert/delete buffer */ + const btr_pcur_t* cursor); + /* in: persistent cursor */ +/****************************************************************** Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index b4325249011..7dff691b8ab 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -506,6 +506,28 @@ btr_pcur_open( cursor->trx_if_known = NULL; } +/****************************************************************** +Check if an operation was buffered. */ +UNIV_INLINE +ibool +btr_pcur_was_buffered( +/*==================*/ + /* out: TRUE if the operation was buffered + in the insert/delete buffer */ + const btr_pcur_t* cursor) + /* in: persistent cursor */ +{ + const btr_cur_t* btr_cursor; + + /* Look in the tree cursor */ + + btr_cursor = btr_pcur_get_btr_cur(cursor); + + return((btr_cursor->flag == BTR_CUR_DEL_MARK_IBUF) + || (btr_cursor->flag == BTR_CUR_DELETE_IBUF) + || (btr_cursor->flag == BTR_CUR_INSERT_TO_IBUF)); +} + /****************************************************************** Opens an persistent cursor to an index tree without initializing the cursor. */ diff --git a/include/buf0buf.h b/include/buf0buf.h index 4807b844639..bd033bbd5b7 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -43,6 +43,10 @@ Created 11/5/1995 Heikki Tuuri it is error-prone programming not to set a latch, and it should be used with care */ +#define BUF_GET_IF_IN_POOL_OR_WATCH 15 + /* Get the page only if it's in the + buffer pool, if not then set a watch + on the page. */ /* Modes for buf_page_get_known_nowait */ #define BUF_MAKE_YOUNG 51 #define BUF_KEEP_OLD 52 @@ -165,20 +169,22 @@ read the contents of the page unless you know it is safe. Do not modify the contents of the page! We have separated this case, because it is error-prone programming not to set a latch, and it should be used with care. */ -#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ +#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ SP, ZS, OF, RW_NO_LATCH, NULL,\ - BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) + BUF_GET_NO_LATCH, \ + __FILE__, __LINE__, MTR) /****************************************************************** NOTE! The following macros should be used instead of buf_page_get_gen, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ #define buf_page_get_nowait(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ SP, ZS, OF, LA, NULL,\ - BUF_GET_NOWAIT, __FILE__, __LINE__, MTR) + BUF_GET_NOWAIT, \ + __FILE__, __LINE__, MTR) /****************************************************************** NOTE! The following macros should be used instead of buf_page_optimistic_get_func, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ -#define buf_page_optimistic_get(LA, BL, MC, MTR) \ +#define buf_page_optimistic_get(LA, BL, MC, MTR) \ buf_page_optimistic_get_func(LA, BL, MC, __FILE__, __LINE__, MTR) /************************************************************************ This is the general function used to get optimistic access to a database @@ -258,7 +264,8 @@ buf_page_get_gen( ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ buf_block_t* guess, /* in: guessed block or NULL */ ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH */ + BUF_GET_NO_LATCH, BUF_GET_NOWAIT or + BUF_GET_IF_IN_POOL_WATCH*/ const char* file, /* in: file name */ ulint line, /* in: line where called */ mtr_t* mtr); /* in: mini-transaction */ @@ -952,8 +959,23 @@ UNIV_INTERN ulint buf_get_free_list_len(void); /*=======================*/ +/******************************************************************** +Stop watching if the marked page is read in. */ +void +buf_pool_remove_watch(void); +/*=======================*/ +/******************************************************************** +Check if the given page is being watched and has been read to the buffer +pool. */ +ibool +buf_pool_watch_happened( +/*====================*/ + /* out: TRUE if the given page is being + watched and it has been read in */ + ulint space, /* in: space id */ + ulint page_no); /* in: page number */ /* The common buffer control block structure for compressed and uncompressed frames */ @@ -1186,6 +1208,16 @@ struct buf_pool_struct{ buf_block_t file pages, buf_page_in_file() == TRUE, indexed by (space_id, offset) */ + /*--------------------------*/ /* Delete buffering data */ + ibool watch_active; /* if TRUE, set watch_happened to + TRUE when page watch_space/ + watch_page_no is read in. */ + ulint watch_space; /* space id of watched page */ + ulint watch_page_no; /* page number of watched page */ + ibool watch_happened; /* has watched page been read in */ + /*--------------------------*/ + + hash_table_t* zip_hash; /* hash table of buf_block_t blocks whose frames are allocated to the zip buddy system, diff --git a/include/fil0fil.h b/include/fil0fil.h index 842c43f0519..36e48ac4717 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -158,14 +158,6 @@ fil_space_get_type( /* out: FIL_TABLESPACE or FIL_LOG */ ulint id); /* in: space id */ /*********************************************************************** -Returns the ibuf data of a file space. */ -UNIV_INTERN -ibuf_data_t* -fil_space_get_ibuf_data( -/*====================*/ - /* out: ibuf data for this space */ - ulint id); /* in: space id */ -/*********************************************************************** Appends a new file to the chain of files of a space. File must be closed. */ UNIV_INTERN void @@ -274,14 +266,6 @@ fil_set_max_space_id_if_bigger( /*===========================*/ ulint max_id);/* in: maximum known id */ /******************************************************************** -Initializes the ibuf data structure for space 0 == the system tablespace. -This can be called after the file space headers have been created and the -dictionary system has been initialized. */ -UNIV_INTERN -void -fil_ibuf_init_at_db_start(void); -/*===========================*/ -/******************************************************************** Writes the flushed lsn and the latest archived log number to the page header of the first page of each data file in the system tablespace. */ UNIV_INTERN diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 3c76532f130..09834bf009d 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -18,23 +18,21 @@ Created 7/19/1997 Heikki Tuuri #include "ibuf0types.h" #include "fsp0fsp.h" +/* Possible operations buffered in the insert/whatever buffer. See +ibuf_insert(). DO NOT CHANGE THE VALUES OF THESE, THEY ARE STORED ON DISK. */ +typedef enum { + IBUF_OP_INSERT = 0, + IBUF_OP_DELETE_MARK = 1, + IBUF_OP_DELETE = 2, + + /* Number of different operation types. */ + IBUF_OP_COUNT = 3, +} ibuf_op_t; + extern ibuf_t* ibuf; /********************************************************************** -Creates the insert buffer data struct for a single tablespace. Reads the -root page of the insert buffer tree in the tablespace. This function can -be called only after the dictionary system has been initialized, as this -creates also the insert buffer table and index for this tablespace. */ -UNIV_INTERN -ibuf_data_t* -ibuf_data_init_for_space( -/*=====================*/ - /* out, own: ibuf data struct, linked to the list - in ibuf control structure. */ - ulint space); /* in: space id */ -/********************************************************************** -Creates the insert buffer data structure at a database startup and -initializes the data structures for the insert buffer of each tablespace. */ +Creates the insert buffer data structure at a database startup. */ UNIV_INTERN void ibuf_init_at_db_start(void); @@ -165,38 +163,29 @@ ibuf_page( /* out: TRUE if level 2 or level 3 page */ ulint space, /* in: space id */ ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no);/* in: page number */ -/*************************************************************************** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. */ -UNIV_INTERN -ibool -ibuf_page_low( -/*==========*/ - /* out: TRUE if level 2 or level 3 page */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ ulint page_no,/* in: page number */ mtr_t* mtr); /* in: mtr which will contain an x-latch to the bitmap page if the page is not one of the fixed - address ibuf pages */ + address ibuf pages, or NULL, in which case a new + transaction is created. */ /*************************************************************************** Frees excess pages from the ibuf free list. This function is called when an OS thread calls fsp services to allocate a new file segment, or a new page to a file segment, and the thread did not own the fsp latch before this call. */ UNIV_INTERN void -ibuf_free_excess_pages( -/*===================*/ - ulint space); /* in: space id */ +ibuf_free_excess_pages(void); +/*========================*/ /************************************************************************* -Makes an index insert to the insert buffer, instead of directly to the disk -page, if this is possible. Does not do insert if the index is clustered -or unique. */ +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. Does not do it if the index +is clustered or unique. */ UNIV_INTERN ibool ibuf_insert( /*========*/ /* out: TRUE if success */ + ibuf_op_t op, /* in: operation type */ const dtuple_t* entry, /* in: index entry to insert */ dict_index_t* index, /* in: index where to insert */ ulint space, /* in: space id where to insert */ @@ -205,11 +194,11 @@ ibuf_insert( que_thr_t* thr); /* in: query thread */ /************************************************************************* When an index page is read from a disk to the buffer pool, this function -inserts to the page the possible index entries buffered in the insert buffer. -The entries are deleted from the insert buffer. If the page is not read, but -created in the buffer pool, this function deletes its buffered entries from -the insert buffer; there can exist entries for such a page if the page -belonged to an index which subsequently was dropped. */ +applies any buffered operations to the page and deletes the entries from the +insert buffer. If the page is not read, but created in the buffer pool, this +function deletes its buffered entries from the insert buffer; there can +exist entries for such a page if the page belonged to an index which +subsequently was dropped. */ UNIV_INTERN void ibuf_merge_or_delete_for_page( @@ -300,6 +289,16 @@ void ibuf_print( /*=======*/ FILE* file); /* in: file where to print */ +/******************************************************************** +Read the first two bytes from a record's fourth field (counter field in new +records; something else in older records). */ + +ulint +ibuf_rec_get_fake_counter( +/*======================*/ + /* out: "counter" field, or ULINT_UNDEFINED if for + some reason it can't be read*/ + rec_t* rec); /* in: ibuf record */ #define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO #define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO @@ -309,6 +308,9 @@ for the file segment from which the pages for the ibuf tree are allocated */ #define IBUF_HEADER PAGE_DATA #define IBUF_TREE_SEG_HEADER 0 /* fseg header for ibuf tree */ +/* The insert buffer tree itself is always located in space 0. */ +#define IBUF_SPACE_ID 0 + #ifndef UNIV_NONINL #include "ibuf0ibuf.ic" #endif diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 9c51da3f6e8..a6218477f65 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -18,36 +18,37 @@ If there is this much of free space, the corresponding bits are set in the ibuf bitmap. */ #define IBUF_PAGE_SIZE_PER_FREE_SPACE 32 -/* Insert buffer data struct for a single tablespace */ -struct ibuf_data_struct{ - ulint space; /* space id */ - ulint seg_size;/* allocated pages if the file segment - containing ibuf header and tree */ - ulint size; /* size of the insert buffer tree in pages */ - ibool empty; /* after an insert to the ibuf tree is - performed, this is set to FALSE, and if a - contract operation finds the tree empty, this - is set to TRUE */ - ulint free_list_len; - /* length of the free list */ - ulint height; /* tree height */ - dict_index_t* index; /* insert buffer index */ - UT_LIST_NODE_T(ibuf_data_t) data_list; - /* list of ibuf data structs */ - ulint n_inserts;/* number of inserts made to the insert - buffer */ - ulint n_merges;/* number of pages merged */ - ulint n_merged_recs;/* number of records merged */ -}; +/* Insert buffer struct */ struct ibuf_struct{ ulint size; /* current size of the ibuf index - trees in pages */ - ulint max_size; /* recommended maximum size in pages - for the ibuf index tree */ - UT_LIST_BASE_NODE_T(ibuf_data_t) data_list; - /* list of ibuf data structs for - each tablespace */ + tree, in pages */ + ulint max_size; /* recommended maximum size of the + ibuf index tree, in pages */ + ulint seg_size; /* allocated pages of the file + segment containing ibuf header and + tree */ + ibool empty; /* after an insert to the ibuf tree + is performed, this is set to FALSE, + and if a contract operation finds + the tree empty, this is set to + TRUE */ + ulint free_list_len; /* length of the free list */ + ulint height; /* tree height */ + dict_index_t* index; /* insert buffer index */ + + ulint n_ops[IBUF_OP_COUNT]; + /* number of operations of each type + done */ + ulint n_merges; /* number of pages merged */ + ulint n_merged_ops[IBUF_OP_COUNT]; + /* number of operations of each type + merged to index pages */ + ulint n_discarded_ops[IBUF_OP_COUNT]; + /* number of operations of each type + discarded without merging due to the + tablespace being deleted or the + index being dropped */ }; /**************************************************************************** diff --git a/include/ibuf0types.h b/include/ibuf0types.h index fb202ac44b0..a9e4ccc5052 100644 --- a/include/ibuf0types.h +++ b/include/ibuf0types.h @@ -9,7 +9,6 @@ Created 7/29/1997 Heikki Tuuri #ifndef ibuf0types_h #define ibuf0types_h -typedef struct ibuf_data_struct ibuf_data_t; typedef struct ibuf_struct ibuf_t; #endif diff --git a/include/row0row.h b/include/row0row.h index 47d4637410e..9d2f08dde4e 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -268,6 +268,9 @@ ibool row_search_index_entry( /*===================*/ /* out: TRUE if found */ + ibool* was_buffered, + /* out: TRUE if the operation was buffered + in the insert/delete buffer. Can be NULL. */ dict_index_t* index, /* in: index */ const dtuple_t* entry, /* in: index entry */ ulint mode, /* in: BTR_MODIFY_LEAF, ... */ diff --git a/include/univ.i b/include/univ.i index bba398b7eda..c66c3b03dc4 100644 --- a/include/univ.i +++ b/include/univ.i @@ -137,6 +137,9 @@ operations (very slow); also UNIV_DEBUG must be defined */ for compressed pages */ #endif +//#define UNIV_DEBUG +//#define UNIV_SYNC_DEBUG +//#define UNIV_IBUF_DEBUG #define UNIV_BTR_DEBUG /* check B-tree links */ #define UNIV_LIGHT_MEM_DEBUG /* light memory debugging */ @@ -316,8 +319,11 @@ it is read. */ /* Minimize cache-miss latency by moving data at addr into a cache before it is read or written. */ # define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) +/* Tell the compiler that variable/function is unused. */ +# define UNIV_UNUSED __attribute__ ((unused)) #else /* Dummy versions of the macros */ +# define UNIV_UNUSED # define UNIV_EXPECT(expr,value) (expr) # define UNIV_LIKELY_NULL(expr) (expr) # define UNIV_PREFETCH_R(addr) ((void) 0) diff --git a/row/row0purge.c b/row/row0purge.c index 69b4487ade0..65cda827718 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -197,11 +197,12 @@ retry: } /*************************************************************** -Removes a secondary index entry if possible. */ +Removes a secondary index entry if possible, without trying to use the +insert/delete buffer. */ static ibool -row_purge_remove_sec_if_poss_low( -/*=============================*/ +row_purge_remove_sec_if_poss_low_nonbuffered( +/*=========================================*/ /* out: TRUE if success or if not found */ purge_node_t* node, /* in: row purge node */ dict_index_t* index, /* in: index */ @@ -212,7 +213,7 @@ row_purge_remove_sec_if_poss_low( btr_pcur_t pcur; btr_cur_t* btr_cur; ibool success; - ibool old_has = 0; /* remove warning */ + ibool old_has = FALSE; /* remove warning */ ibool found; ulint err; mtr_t mtr; @@ -221,13 +222,13 @@ row_purge_remove_sec_if_poss_low( log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(index, entry, mode, &pcur, &mtr); + found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); if (!found) { /* Not found */ /* fputs("PURGE:........sec entry not found\n", stderr); */ - /* dtuple_print(stderr, entry); */ + /* dtuple_print(entry); */ btr_pcur_close(&pcur); mtr_commit(&mtr); @@ -266,8 +267,13 @@ row_purge_remove_sec_if_poss_low( ut_ad(mode == BTR_MODIFY_TREE); btr_cur_pessimistic_delete(&err, FALSE, btr_cur, FALSE, &mtr); - success = err == DB_SUCCESS; - ut_a(success || err == DB_OUT_OF_FILE_SPACE); + if (err == DB_SUCCESS) { + success = TRUE; + } else if (err == DB_OUT_OF_FILE_SPACE) { + success = FALSE; + } else { + ut_error; + } } } @@ -277,6 +283,117 @@ row_purge_remove_sec_if_poss_low( return(success); } +/*************************************************************** +Removes a secondary index entry if possible. */ +static +ibool +row_purge_remove_sec_if_poss_low( +/*=============================*/ + /* out: TRUE if success or if not found */ + purge_node_t* node, /* in: row purge node */ + dict_index_t* index, /* in: index */ + dtuple_t* entry, /* in: index entry */ + ulint mode) /* in: latch mode BTR_MODIFY_LEAF or + BTR_MODIFY_TREE */ +{ + mtr_t mtr; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ibool found; + ibool success; + ibool was_buffered; + ibool old_has = FALSE; + ibool leaf_in_buf_pool; + + ut_a((mode == BTR_MODIFY_TREE) || (mode == BTR_MODIFY_LEAF)); + + if (mode == BTR_MODIFY_TREE) { + /* Can't use the insert/delete buffer if we potentially + need to split pages. */ + + return(row_purge_remove_sec_if_poss_low_nonbuffered( + node, index, entry, mode)); + } + + log_free_check(); + + mtr_start(&mtr); + + found = row_search_index_entry( + NULL, index, entry, + BTR_SEARCH_LEAF | BTR_WATCH_LEAF, &pcur, &mtr); + + btr_cur = btr_pcur_get_btr_cur(&pcur); + leaf_in_buf_pool = btr_cur->leaf_in_buf_pool; + + ut_a(!(found && !leaf_in_buf_pool)); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + if (leaf_in_buf_pool) { + + if (found) { + /* Index entry exists and is in the buffer pool, no + need to use the insert/delete buffer. */ + + return(row_purge_remove_sec_if_poss_low_nonbuffered( + node, index, entry, BTR_MODIFY_LEAF)); + } else { + /* Index entry does not exist, nothing to do. */ + + return(TRUE); + } + } + + /* We should remove the index record if no later version of the row, + which cannot be purged yet, requires its existence. If some + requires, we should do nothing. */ + + mtr_start(&mtr); + + success = row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr); + + if (success) { + old_has = row_vers_old_has_index_entry( + TRUE, btr_pcur_get_rec(&node->pcur), + &mtr, index, entry); + } + + btr_pcur_commit_specify_mtr(&node->pcur, &mtr); + + if (success && old_has) { + /* Can't remove the index record yet. */ + + buf_pool_remove_watch(); + + return(TRUE); + } + + mtr_start(&mtr); + + btr_cur->thr = que_node_get_parent(node); + + row_search_index_entry(&was_buffered, index, entry, + BTR_MODIFY_LEAF | BTR_DELETE, &pcur, + &mtr); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + buf_pool_remove_watch(); + + if (!was_buffered) { + /* Page read into buffer pool or delete-buffering failed. */ + + return(row_purge_remove_sec_if_poss_low_nonbuffered( + node, index, entry, BTR_MODIFY_LEAF)); + } + + return(TRUE); + +} + /*************************************************************** Removes a secondary index entry if possible. */ UNIV_INLINE diff --git a/row/row0row.c b/row/row0row.c index b9314a162a7..ad2253652cc 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -789,6 +789,9 @@ ibool row_search_index_entry( /*===================*/ /* out: TRUE if found */ + ibool* was_buffered, + /* out: TRUE if the operation was buffered + in the insert/delete buffer. Can be NULL. */ dict_index_t* index, /* in: index */ const dtuple_t* entry, /* in: index entry */ ulint mode, /* in: BTR_MODIFY_LEAF, ... */ @@ -799,17 +802,48 @@ row_search_index_entry( ulint n_fields; ulint low_match; rec_t* rec; + ibool ret; ut_ad(dtuple_check_typed(entry)); btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); + + ret = btr_pcur_was_buffered(pcur); + + if (was_buffered) { + *was_buffered = ret; + } + + if (ret) { + /* Operation was buffered in the insert/delete buffer; + pretend that we found the record. */ + + return(TRUE); + } else if ((mode & BTR_WATCH_LEAF) + && !btr_pcur_get_btr_cur(pcur)->leaf_in_buf_pool) { + + /* We did not read in the leaf page, thus we can't have + found anything. */ + + return(FALSE); + } + low_match = btr_pcur_get_low_match(pcur); rec = btr_pcur_get_rec(pcur); n_fields = dtuple_get_n_fields(entry); - return(!page_rec_is_infimum(rec) && low_match == n_fields); + if (page_rec_is_infimum(rec)) { + + return(FALSE); + } else if (low_match != n_fields) { + /* Not found */ + + return(FALSE); + } + + return(TRUE); } #ifndef UNIV_HOTBACKUP diff --git a/row/row0uins.c b/row/row0uins.c index e6703679b46..2c51958606f 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -136,7 +136,7 @@ row_undo_ins_remove_sec_low( log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(index, entry, mode, &pcur, &mtr); + found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); btr_cur = btr_pcur_get_btr_cur(&pcur); diff --git a/row/row0umod.c b/row/row0umod.c index 69b6b374f36..b308fa6f88d 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -307,7 +307,7 @@ row_undo_mod_del_mark_or_remove_sec_low( log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(index, entry, mode, &pcur, &mtr); + found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); btr_cur = btr_pcur_get_btr_cur(&pcur); @@ -432,7 +432,7 @@ row_undo_mod_del_unmark_sec_and_undo_update( return(DB_SUCCESS); } - if (UNIV_UNLIKELY(!row_search_index_entry(index, entry, + if (UNIV_UNLIKELY(!row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr))) { fputs("InnoDB: error in sec index entry del undo in\n" "InnoDB: ", stderr); diff --git a/row/row0upd.c b/row/row0upd.c index f0ce2b4cb69..3efbb98a346 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1451,21 +1451,23 @@ row_upd_sec_index_entry( upd_node_t* node, /* in: row update node */ que_thr_t* thr) /* in: query thread */ { - ibool check_ref; - ibool found; - dict_index_t* index; - dtuple_t* entry; - btr_pcur_t pcur; - btr_cur_t* btr_cur; - mem_heap_t* heap; - rec_t* rec; - ulint err = DB_SUCCESS; mtr_t mtr; - trx_t* trx = thr_get_trx(thr); + rec_t* rec; + btr_pcur_t pcur; + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + ibool found; + btr_cur_t* btr_cur; + ibool referenced; + ibool was_buffered; + ulint err = DB_SUCCESS; + trx_t* trx = thr_get_trx(thr); + ulint mode = BTR_MODIFY_LEAF; index = node->index; - check_ref = row_upd_index_is_referenced(index, trx); + referenced = row_upd_index_is_referenced(index, trx); heap = mem_heap_create(1024); @@ -1476,8 +1478,24 @@ row_upd_sec_index_entry( log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(index, entry, BTR_MODIFY_LEAF, &pcur, - &mtr); + btr_pcur_get_btr_cur(&pcur)->thr = thr; + + /* We can only try to use the insert/delete buffer to buffer + delete-mark operations if the index we're modifying has no foreign + key constraints referring to it. */ + if (!referenced) { + mode |= BTR_DELETE_MARK; + } + + found = row_search_index_entry( + &was_buffered, index, entry, BTR_MODIFY_LEAF, &pcur, &mtr); + + if (was_buffered) { + /* Entry was delete marked already. */ + + goto close_cur; + } + btr_cur = btr_pcur_get_btr_cur(&pcur); rec = btr_cur_get_rec(btr_cur); @@ -1504,15 +1522,20 @@ row_upd_sec_index_entry( delete marked if we return after a lock wait in row_ins_index_entry below */ - if (!rec_get_deleted_flag(rec, - dict_table_is_comp(index->table))) { - err = btr_cur_del_mark_set_sec_rec(0, btr_cur, TRUE, - thr, &mtr); - if (err == DB_SUCCESS && check_ref) { + if (!rec_get_deleted_flag( + rec, dict_table_is_comp(index->table))) { + + err = btr_cur_del_mark_set_sec_rec( + 0, btr_cur, TRUE, thr, &mtr); + + if (err == DB_SUCCESS && referenced) { + + ulint* offsets; + + offsets = rec_get_offsets( + rec, index, NULL, ULINT_UNDEFINED, + &heap); - ulint* offsets = rec_get_offsets( - rec, index, NULL, - ULINT_UNDEFINED, &heap); /* NOTE that the following call loses the position of pcur ! */ err = row_upd_check_references_constraints( @@ -1522,6 +1545,7 @@ row_upd_sec_index_entry( } } +close_cur: btr_pcur_close(&pcur); mtr_commit(&mtr); @@ -1583,7 +1607,7 @@ row_upd_clust_rec_by_insert( upd_node_t* node, /* in: row update node */ dict_index_t* index, /* in: clustered index of the record */ que_thr_t* thr, /* in: query thread */ - ibool check_ref,/* in: TRUE if index may be referenced in + ibool referenced,/* in: TRUE if index may be referenced in a foreign key constraint */ mtr_t* mtr) /* in: mtr; gets committed here */ { @@ -1629,16 +1653,21 @@ row_upd_clust_rec_by_insert( btr_cur_mark_extern_inherited_fields( btr_cur_get_page_zip(btr_cur), rec, index, offsets, node->update, mtr); - if (check_ref) { + if (referenced) { /* NOTE that the following call loses the position of pcur ! */ + err = row_upd_check_references_constraints( node, pcur, table, index, offsets, thr, mtr); + if (err != DB_SUCCESS) { + mtr_commit(mtr); + if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } + return(err); } } @@ -1794,7 +1823,8 @@ row_upd_del_mark_clust_rec( ulint* offsets,/* in/out: rec_get_offsets() for the record under the cursor */ que_thr_t* thr, /* in: query thread */ - ibool check_ref,/* in: TRUE if index may be referenced in + ibool referenced, + /* in: TRUE if index may be referenced in a foreign key constraint */ mtr_t* mtr) /* in: mtr; gets committed here */ { @@ -1819,13 +1849,11 @@ row_upd_del_mark_clust_rec( err = btr_cur_del_mark_set_clust_rec(BTR_NO_LOCKING_FLAG, btr_cur, TRUE, thr, mtr); - if (err == DB_SUCCESS && check_ref) { + if (err == DB_SUCCESS && referenced) { /* NOTE that the following call loses the position of pcur ! */ - err = row_upd_check_references_constraints(node, - pcur, index->table, - index, offsets, - thr, mtr); + err = row_upd_check_references_constraints( + node, pcur, index->table, index, offsets, thr, mtr); } mtr_commit(mtr); @@ -1848,7 +1876,6 @@ row_upd_clust_step( dict_index_t* index; btr_pcur_t* pcur; ibool success; - ibool check_ref; ulint err; mtr_t* mtr; mtr_t mtr_buf; @@ -1856,11 +1883,12 @@ row_upd_clust_step( mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets; + ibool referenced; rec_offs_init(offsets_); index = dict_table_get_first_index(node->table); - check_ref = row_upd_index_is_referenced(index, thr_get_trx(thr)); + referenced = row_upd_index_is_referenced(index, thr_get_trx(thr)); pcur = node->pcur; @@ -1930,8 +1958,9 @@ row_upd_clust_step( /* NOTE: the following function calls will also commit mtr */ if (node->is_delete) { - err = row_upd_del_mark_clust_rec(node, index, offsets, - thr, check_ref, mtr); + err = row_upd_del_mark_clust_rec( + node, index, offsets, thr, referenced, mtr); + if (err == DB_SUCCESS) { node->state = UPD_NODE_UPDATE_ALL_SEC; node->index = dict_table_get_next_index(index); @@ -1979,8 +2008,9 @@ exit_func: choosing records to update. MySQL solves now the problem externally! */ - err = row_upd_clust_rec_by_insert(node, index, thr, check_ref, - mtr); + err = row_upd_clust_rec_by_insert( + node, index, thr, referenced, mtr); + if (err != DB_SUCCESS) { return(err); From 95c241b5a013f7626652cd8912d76c2229e78834 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Wed, 27 Feb 2008 10:28:20 +0000 Subject: [PATCH 005/400] branches/innodb+: Port red-black tree code from branches/fts:r2283 --- Makefile.am | 4 +- include/ut0rbt.h | 304 +++++++++++ ut/ut0rbt.c | 1253 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1559 insertions(+), 2 deletions(-) create mode 100644 include/ut0rbt.h create mode 100644 ut/ut0rbt.c diff --git a/Makefile.am b/Makefile.am index fe72e4b668f..e125aa65de2 100644 --- a/Makefile.am +++ b/Makefile.am @@ -130,7 +130,7 @@ noinst_HEADERS = include/btr0btr.h include/btr0btr.ic \ include/ut0list.ic include/ut0wqueue.h \ include/ha_prototypes.h handler/ha_innodb.h \ include/handler0alter.h \ - handler/i_s.h + handler/i_s.h include/ut0rbt.h EXTRA_LIBRARIES = libinnobase.a noinst_LIBRARIES = @plugin_innobase_static_target@ @@ -173,7 +173,7 @@ libinnobase_a_SOURCES = btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c \ ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c \ handler/ha_innodb.cc handler/handler0alter.cc \ handler/i_s.cc \ - handler/mysql_addons.cc + handler/mysql_addons.cc ut/ut0rbt.c libinnobase_a_CXXFLAGS= $(AM_CFLAGS) $(INNODB_CFLAGS) libinnobase_a_CFLAGS = $(AM_CFLAGS) $(INNODB_CFLAGS) diff --git a/include/ut0rbt.h b/include/ut0rbt.h new file mode 100644 index 00000000000..ef9cf75ebc4 --- /dev/null +++ b/include/ut0rbt.h @@ -0,0 +1,304 @@ +/****************************************************** +Red-Black tree implementation. +(c) 2007 Oracle/Innobase Oy + +Created 2007-03-20 Sunny Bains +*******************************************************/ + +#ifndef INNOBASE_UT0RBT_H +#define INNOBASE_UT0RBT_H + +#if !defined(IB_RBT_TESTING) +#include "univ.i" +#include "ut0mem.h" +#else +#include +#include +#include +#include + +#define ut_malloc malloc +#define ut_free free +#define ulint unsigned long +#define ut_a(c) assert(c) +#define ut_error assert(0) +#define ibool unsigned int +#define TRUE 1 +#define FALSE 0 +#endif + +/* Red black tree typedefs */ +typedef struct ib_rbt_struct ib_rbt_t; +typedef struct ib_rbt_node_struct ib_rbt_node_t; +// FIXME: Iterator is a better name than _bound_ +typedef struct ib_rbt_bound_struct ib_rbt_bound_t; +typedef void (*ib_rbt_print_node)(const ib_rbt_node_t* node); +typedef int (*ib_rbt_compare)(const void* p1, const void* p2); + +/* Red black tree color types */ +enum ib_rbt_color_enum { + IB_RBT_RED, + IB_RBT_BLACK +}; + +typedef enum ib_rbt_color_enum ib_rbt_color_t; + +/* Red black tree node */ +struct ib_rbt_node_struct { + ib_rbt_color_t color; /* color of this node */ + + ib_rbt_node_t* left; /* points left child */ + ib_rbt_node_t* right; /* points right child */ + ib_rbt_node_t* parent; /* points parent node */ + + char value[1]; /* Data value */ +}; + +/* Red black tree instance.*/ +struct ib_rbt_struct { + ib_rbt_node_t* nil; /* Black colored node that is + used as a sentinel. This is + pre-allocated too.*/ + + ib_rbt_node_t* root; /* Root of the tree, this is + pre-allocated and the first + data node is the left child.*/ + + ulint n_nodes; /* Total number of data nodes */ + + ib_rbt_compare compare; /* Fn. to use for comparison */ + ulint sizeof_value; /* Sizeof the item in bytes */ +}; + +/* The result of searching for a key in the tree, this is useful for +a speedy lookup and insert if key doesn't exist.*/ +struct ib_rbt_bound_struct { + const ib_rbt_node_t* + last; /* Last node visited */ + + int result; /* Result of comparing with + the last non-nil node that + was visited */ +}; + +/* Size in elements (t is an rb tree instance) */ +#define rbt_size(t) (t->n_nodes) + +/* Check whether the rb tree is empty (t is an rb tree instance) */ +#define rbt_empty(t) (rbt_size(t) == 0) + +/* Get data value (t is the data type, n is an rb tree node instance) */ +#define rbt_value(t, n) ((t*) &n->value[0]) + +/* Compare a key with the node value (t is tree, k is key, n is node)*/ +#define rbt_compare(t, k, n) (t->compare(k, n->value)) + +/************************************************************************ +Free an instance of a red black tree */ +extern +void +rbt_free( +/*=====*/ + ib_rbt_t* tree); /* in: rb tree to free */ +/************************************************************************ +Create an instance of a red black tree */ +extern +ib_rbt_t* +rbt_create( +/*=======*/ + /* out: rb tree instance */ + size_t sizeof_value, /* in: size in bytes */ + ib_rbt_compare compare); /* in: comparator */ +/************************************************************************ +Delete a node from the red black tree, identified by key */ +extern +ibool +rbt_delete( +/*=======*/ + /* in: TRUE on success */ + ib_rbt_t* tree, /* in: rb tree */ + const void* key); /* in: key to delete */ +/************************************************************************ +Remove a node from the red black tree, NOTE: This function will not delete +the node instance, THAT IS THE CALLERS RESPONSIBILITY.*/ +extern +ib_rbt_node_t* +rbt_remove_node( +/*============*/ + /* out: the deleted node + with the const.*/ + ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* + node); /* in: node to delete, this + is a fudge and declared const + because the caller has access + only to const nodes.*/ +/************************************************************************ +Return a node from the red black tree, identified by +key, NULL if not found */ +extern +const ib_rbt_node_t* +rbt_lookup( +/*=======*/ + /* out: node if found else + return NULL*/ + const ib_rbt_t* tree, /* in: rb tree to search */ + const void* key); /* in: key to lookup */ +/************************************************************************ +Add data to the red black tree, identified by key (no dups yet!)*/ +extern +const ib_rbt_node_t* +rbt_insert( +/*=======*/ + /* out: inserted node */ + ib_rbt_t* tree, /* in: rb tree */ + const void* key, /* in: key for ordering */ + const void* value); /* in: data that will be + copied to the node.*/ +/************************************************************************ +Add a new node to the tree, useful for data that is pre-sorted.*/ +extern +const ib_rbt_node_t* +rbt_add_node( +/*=========*/ + /* out: appended node */ + ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: parent */ + const void* value); /* in: this value is copied + to the node */ +/************************************************************************ +Return the left most data node in the tree*/ +extern +const ib_rbt_node_t* +rbt_first( +/*======*/ + /* out: left most node */ + const ib_rbt_t* tree); /* in: rb tree */ +/************************************************************************ +Return the right most data node in the tree*/ +extern +const ib_rbt_node_t* +rbt_last( +/*=====*/ + /* out: right most node */ + const ib_rbt_t* tree); /* in: rb tree */ +/************************************************************************ +Return the next node from current.*/ +extern +const ib_rbt_node_t* +rbt_next( +/*=====*/ + /* out: successor node to + current that is passed in.*/ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* /* in: current node */ + current); +/************************************************************************ +Return the prev node from current.*/ +extern +const ib_rbt_node_t* +rbt_prev( +/*=====*/ + /* out: precedessor node to + current that is passed in */ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* /* in: current node */ + current); +/************************************************************************ +Find the node that has the lowest key that is >= key.*/ +extern +const ib_rbt_node_t* +rbt_lower_bound( +/*============*/ + /* out: node that satisfies + the lower bound constraint or + NULL */ + const ib_rbt_t* tree, /* in: rb tree */ + const void* key); /* in: key to search */ +/************************************************************************ +Find the node that has the greatest key that is <= key.*/ +extern +const ib_rbt_node_t* +rbt_upper_bound( +/*============*/ + /* out: node that satisifies + the upper bound constraint or + NULL */ + const ib_rbt_t* tree, /* in: rb tree */ + const void* key); /* in: key to search */ +/************************************************************************ +Search for the key, a node will be retuned in parent.last, whether it +was found or not. If not found then parent.last will contain the +parent node for the possibly new key otherwise the matching node.*/ +extern +int +rbt_search( +/*=======*/ + /* out: result of last + comparison */ + const ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: search bounds */ + const void* key); /* in: key to search */ +/************************************************************************ +Search for the key, a node will be retuned in parent.last, whether it +was found or not. If not found then parent.last will contain the +parent node for the possibly new key otherwise the matching node.*/ +extern +int +rbt_search_cmp( +/*===========*/ + /* out: result of last + comparison */ + const ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: search bounds */ + const void* key, /* in: key to search */ + ib_rbt_compare compare); /* in: comparator */ +/************************************************************************ +Clear the tree, deletes (and free's) all the nodes.*/ +extern +void +rbt_clear( +/*======*/ + ib_rbt_t* tree); /* in: rb tree */ +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged.*/ +extern +ulint +rbt_merge_uniq( +/*===========*/ + /* out: no. of recs merged */ + ib_rbt_t* dst, /* in: dst rb tree */ + const ib_rbt_t* src); /* in: src rb tree */ +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +Delete the nodes from src after copying node to dst. As a side effect +the duplicates will be left untouched in the src, since we don't support +duplicates (yet). NOTE: src and dst must be similar, the function doesn't +check for this condition (yet).*/ +extern +ulint +rbt_merge_uniq_destructive( +/*=======================*/ + /* out: no. of recs merged */ + ib_rbt_t* dst, /* in: dst rb tree */ + ib_rbt_t* src); /* in: src rb tree */ +/************************************************************************ +Verify the integrity of the RB tree. For debugging. 0 failure else height +of tree (in count of black nodes).*/ +extern +ibool +rbt_validate( +/*=========*/ + /* out: TRUE if OK + FALSE if tree invalid.*/ + const ib_rbt_t* tree); /* in: tree to validate */ +/************************************************************************ +Iterate over the tree in depth first order.*/ +extern +void +rbt_print( +/*======*/ + const ib_rbt_t* tree, /* in: tree to traverse */ + ib_rbt_print_node print); /* in: print function */ + +#endif /* INNOBASE_UT0RBT_H */ diff --git a/ut/ut0rbt.c b/ut/ut0rbt.c new file mode 100644 index 00000000000..dc34d9efdb3 --- /dev/null +++ b/ut/ut0rbt.c @@ -0,0 +1,1253 @@ +/********************************************************************** +Red-Black tree implementation + +(c) 2007 Oracle/Innobase Oy + +Created 2007-03-20 Sunny Bains +***********************************************************************/ + +#include "ut0rbt.h" + +/************************************************************************ +Definition of a red-black tree +============================== + +A red-black tree is a binary search tree which has the following +red-black properties: + + 1. Every node is either red or black. + 2. Every leaf (NULL - in our case tree->nil) is black. + 3. If a node is red, then both its children are black. + 4. Every simple path from a node to a descendant leaf contains the + same number of black nodes. + + from (3) above, the implication is that on any path from the root + to a leaf, red nodes must not be adjacent. + + However, any number of black nodes may appear in a sequence. +*/ + +#if defined(IB_RBT_TESTING) +#warning "Testing enabled!" +#endif + +#define ROOT(t) (t->root->left) +#define SIZEOF_NODE(t) ((sizeof(ib_rbt_node_t) + t->sizeof_value) - 1) + +/************************************************************************ +Print out the sub-tree recursively. */ +static +void +rbt_print_subtree( +/*==============*/ + const ib_rbt_t* tree, /* in: tree to traverse */ + const ib_rbt_node_t* node, /* in: node to print */ + ib_rbt_print_node print) /* in: print key function */ +{ + /* FIXME: Doesn't do anything yet */ + if (node != tree->nil) { + print(node); + rbt_print_subtree(tree, node->left, print); + rbt_print_subtree(tree, node->right, print); + } +} + +/************************************************************************ +Verify that the keys are in order. */ +static +ibool +rbt_check_ordering( +/*===============*/ + /* out: TRUE of OK. + FALSE if not ordered */ + const ib_rbt_t* tree) /* in: tree to verfify */ +{ + const ib_rbt_node_t* node; + const ib_rbt_node_t* prev = NULL; + + /* Iterate over all the nodes, comparing each node with the prev */ + for (node = rbt_first(tree); node; node = rbt_next(tree, prev)) { + + if (prev && tree->compare(prev->value, node->value) >= 0) { + return(FALSE); + } + + prev = node; + } + + return(TRUE); +} + +/************************************************************************ +Check that every path from the root to the leaves has the same count. +Count is expressed in the number of black nodes. */ +static +ibool +rbt_count_black_nodes( +/*==================*/ + /* out: 0 on failure else + black height of the subtree */ + const ib_rbt_t* tree, /* in: tree to verify */ + const ib_rbt_node_t* node) /* in: start of sub-tree */ +{ + ulint result; + + if (node != tree->nil) { + ulint left_height = rbt_count_black_nodes(tree, node->left); + + ulint right_height = rbt_count_black_nodes(tree, node->right); + + if (left_height == 0 + || right_height == 0 + || left_height != right_height) { + + result = 0; + } else if (node->color == IB_RBT_RED) { + + /* Case 3 */ + if (node->left->color != IB_RBT_BLACK + || node->right->color != IB_RBT_BLACK) { + + result = 0; + } else { + result = left_height; + } + /* Check if it's anything other than RED or BLACK. */ + } else if (node->color != IB_RBT_BLACK) { + + result = 0; + } else { + + result = right_height + 1; + } + } else { + result = 1; + } + + return(result); +} + +/************************************************************************ +Turn the node's right child's left sub-tree into node's right sub-tree. +This will also make node's right child it's parent. */ +static +void +rbt_rotate_left( +/*============*/ + const ib_rbt_node_t* nil, /* in: nil node of the tree */ + ib_rbt_node_t* node) /* in: node to rotate */ +{ + ib_rbt_node_t* right = node->right; + + node->right = right->left; + + if (right->left != nil) { + right->left->parent = node; + } + + /* Right's new parent was node's parent. */ + right->parent = node->parent; + + /* Since root's parent is tree->nil and root->parent->left points + back to root, we can avoid the check. */ + if (node == node->parent->left) { + /* Node was on the left of its parent. */ + node->parent->left = right; + } else { + /* Node must have been on the right. */ + node->parent->right = right; + } + + /* Finally, put node on right's left. */ + right->left = node; + node->parent = right; +} + +/************************************************************************ +Turn the node's left child's right sub-tree into node's left sub-tree. +This also make node's left child it's parent. */ +static +void +rbt_rotate_right( +/*=============*/ + const ib_rbt_node_t* nil, /* in: nil node of tree */ + ib_rbt_node_t* node) /* in: node to rotate */ +{ + ib_rbt_node_t* left = node->left; + + node->left = left->right; + + if (left->right != nil) { + left->right->parent = node; + } + + /* Left's new parent was node's parent. */ + left->parent = node->parent; + + /* Since root's parent is tree->nil and root->parent->left points + back to root, we can avoid the check. */ + if (node == node->parent->right) { + /* Node was on the left of its parent. */ + node->parent->right = left; + } else { + /* Node must have been on the left. */ + node->parent->left = left; + } + + /* Finally, put node on left's right. */ + left->right = node; + node->parent = left; +} + +/************************************************************************ +Append a node to the tree. */ +static +ib_rbt_node_t* +rbt_tree_add_child( +/*===============*/ + const ib_rbt_t* tree, + ib_rbt_bound_t* parent, + ib_rbt_node_t* node) +{ + /* Cast away the const. */ + ib_rbt_node_t* last = (ib_rbt_node_t*) parent->last; + + if (last == tree->root || parent->result < 0) { + last->left = node; + } else { + /* FIXME: We don't handle duplicates (yet)! */ + ut_a(parent->result != 0); + + last->right = node; + } + + node->parent = last; + + return(node); +} + +/************************************************************************ +Generic binary tree insert */ +static +ib_rbt_node_t* +rbt_tree_insert( +/*============*/ + ib_rbt_t* tree, + const void* key, + ib_rbt_node_t* node) +{ + ib_rbt_bound_t parent; + ib_rbt_node_t* current = ROOT(tree); + + parent.result = 0; + parent.last = tree->root; + + /* Regular binary search. */ + while (current != tree->nil) { + + parent.last = current; + parent.result = tree->compare(key, current->value); + + if (parent.result < 0) { + current = current->left; + } else { + current = current->right; + } + } + + ut_a(current == tree->nil); + + rbt_tree_add_child(tree, &parent, node); + + return(node); +} + +/************************************************************************ +Balance a tree after inserting a node. */ +static +void +rbt_balance_tree( +/*=============*/ + const ib_rbt_t* tree, /* in: tree to balance */ + ib_rbt_node_t* node) /* in: node that was inserted */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* parent = node->parent; + + /* Restore the red-black property. */ + node->color = IB_RBT_RED; + + while (node != ROOT(tree) && parent->color == IB_RBT_RED) { + ib_rbt_node_t* grand_parent = parent->parent; + + if (parent == grand_parent->left) { + ib_rbt_node_t* uncle = grand_parent->right; + + if (uncle->color == IB_RBT_RED) { + + /* Case 1 - change the colors. */ + uncle->color = IB_RBT_BLACK; + parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + /* Move node up the tree. */ + node = grand_parent; + + } else { + + if (node == parent->right) { + /* Right is a black node and node is + to the right, case 2 - move node + up and rotate. */ + node = parent; + rbt_rotate_left(nil, node); + } + + grand_parent = node->parent->parent; + + /* Case 3. */ + node->parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + rbt_rotate_right(nil, grand_parent); + } + + } else { + ib_rbt_node_t* uncle = grand_parent->left; + + if (uncle->color == IB_RBT_RED) { + + /* Case 1 - change the colors. */ + uncle->color = IB_RBT_BLACK; + parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + /* Move node up the tree. */ + node = grand_parent; + + } else { + + if (node == parent->left) { + /* Left is a black node and node is to + the right, case 2 - move node up and + rotate. */ + node = parent; + rbt_rotate_right(nil, node); + } + + grand_parent = node->parent->parent; + + /* Case 3. */ + node->parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + rbt_rotate_left(nil, grand_parent); + } + } + + parent = node->parent; + } + + /* Color the root black. */ + ROOT(tree)->color = IB_RBT_BLACK; +} + +/************************************************************************ +Find the given node's successor. */ +static +ib_rbt_node_t* +rbt_find_successor( +/*===============*/ + /* out: successor node + or NULL if no successor */ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* current) /* in: this is declared const + because it can be called via + rbt_next() */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* next = current->right; + + /* Is there a sub-tree to the right that we can follow. */ + if (next != nil) { + + /* Follow the left most links of the current right child. */ + while (next->left != nil) { + next = next->left; + } + + } else { /* We will have to go up the tree to find the successor. */ + ib_rbt_node_t* parent = current->parent; + + /* Cast away the const. */ + next = (ib_rbt_node_t*) current; + + while (parent != tree->root && next == parent->right) { + next = parent; + parent = next->parent; + } + + next = (parent == tree->root) ? NULL : parent; + } + + return(next); +} + +/************************************************************************ +Find the given node's precedecessor. */ +static +ib_rbt_node_t* +rbt_find_predecessor( +/*=================*/ + /* out: predecessor node or + NULL if no predecesor */ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* current) /* in: this is declared const + because it can be called via + rbt_prev() */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* prev = current->left; + + /* Is there a sub-tree to the left that we can follow. */ + if (prev != nil) { + + /* Follow the right most links of the current left child. */ + while (prev->right != nil) { + prev = prev->right; + } + + } else { /* We will have to go up the tree to find the precedecessor. */ + ib_rbt_node_t* parent = current->parent; + + /* Cast away the const. */ + prev = (ib_rbt_node_t*)current; + + while (parent != tree->root && prev == parent->left) { + prev = parent; + parent = prev->parent; + } + + prev = (parent == tree->root) ? NULL : parent; + } + + return(prev); +} + +/************************************************************************ +Replace node with child. After applying transformations eject becomes +an orphan. */ +static +void +rbt_eject_node( +/*===========*/ + ib_rbt_node_t* eject, /* in: node to eject */ + ib_rbt_node_t* node) /* in: node to replace with */ +{ + /* Update the to be ejected node's parent's child pointers. */ + if (eject->parent->left == eject) { + eject->parent->left = node; + } else if (eject->parent->right == eject) { + eject->parent->right = node; + } else { + ut_a(0); + } + /* eject is now an orphan but otherwise its pointers + and color are left intact. */ + + node->parent = eject->parent; +} + +/************************************************************************ +Replace a node with another node. */ +static +void +rbt_replace_node( +/*=============*/ + ib_rbt_node_t* replace, /* in: node to replace */ + ib_rbt_node_t* node) /* in: node to replace with */ +{ + ib_rbt_color_t color = node->color; + + /* Update the node pointers. */ + node->left = replace->left; + node->right = replace->right; + + /* Update the child node pointers. */ + node->left->parent = node; + node->right->parent = node; + + /* Make the parent of replace point to node. */ + rbt_eject_node(replace, node); + + /* Swap the colors. */ + node->color = replace->color; + replace->color = color; +} + +/************************************************************************ +Detach node from the tree replacing it with one of it's children. */ +static +ib_rbt_node_t* +rbt_detach_node( +/*============*/ + /* out: the child node that + now occupies the position of + the detached node */ + const ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_node_t* node) /* in: node to detach */ +{ + ib_rbt_node_t* child; + const ib_rbt_node_t* nil = tree->nil; + + if (node->left != nil && node->right != nil) { + /* Case where the node to be deleted has two children. */ + ib_rbt_node_t* successor = rbt_find_successor(tree, node); + + ut_a(successor != nil); + ut_a(successor->parent != nil); + ut_a(successor->left == nil); + + child = successor->right; + + /* Remove the successor node and replace with its child. */ + rbt_eject_node(successor, child); + + /* Replace the node to delete with its successor node. */ + rbt_replace_node(node, successor); + } else { + ut_a(node->left == nil || node->right == nil); + + child = (node->left != nil) ? node->left : node->right; + + /* Replace the node to delete with one of it's children. */ + rbt_eject_node(node, child); + } + + /* Reset the node links. */ + node->parent = node->right = node->left = tree->nil; + + return(child); +} + +/************************************************************************ +Rebalance the right sub-tree after deletion. */ +static +ib_rbt_node_t* +rbt_balance_right( +/*==============*/ + /* out: node to rebalance if + more rebalancing required + else NULL */ + const ib_rbt_node_t* nil, /* in: rb tree nil node */ + ib_rbt_node_t* parent, /* in: parent node */ + ib_rbt_node_t* sibling) /* in: sibling node */ +{ + ib_rbt_node_t* node = NULL; + + ut_a(sibling != nil); + + /* Case 3. */ + if (sibling->color == IB_RBT_RED) { + + parent->color = IB_RBT_RED; + sibling->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, parent); + + sibling = parent->right; + + ut_a(sibling != nil); + } + + /* Since this will violate case 3 because of the change above. */ + if (sibling->left->color == IB_RBT_BLACK + && sibling->right->color == IB_RBT_BLACK) { + + node = parent; /* Parent needs to be rebalanced too. */ + sibling->color = IB_RBT_RED; + + } else { + if (sibling->right->color == IB_RBT_BLACK) { + + ut_a(sibling->left->color == IB_RBT_RED); + + sibling->color = IB_RBT_RED; + sibling->left->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, sibling); + + sibling = parent->right; + ut_a(sibling != nil); + } + + sibling->color = parent->color; + sibling->right->color = IB_RBT_BLACK; + + parent->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, parent); + } + + return(node); +} + +/************************************************************************ +Rebalance the left sub-tree after deletion. */ +static +ib_rbt_node_t* +rbt_balance_left( +/*=============*/ + /* out: node to rebalance if + more rebalancing required + else NULL */ + const ib_rbt_node_t* nil, /* in: rb tree nil node */ + ib_rbt_node_t* parent, /* in: parent node */ + ib_rbt_node_t* sibling) /* in: sibling node */ +{ + ib_rbt_node_t* node = NULL; + + ut_a(sibling != nil); + + /* Case 3. */ + if (sibling->color == IB_RBT_RED) { + + parent->color = IB_RBT_RED; + sibling->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, parent); + sibling = parent->left; + + ut_a(sibling != nil); + } + + /* Since this will violate case 3 because of the change above. */ + if (sibling->right->color == IB_RBT_BLACK + && sibling->left->color == IB_RBT_BLACK) { + + node = parent; /* Parent needs to be rebalanced too. */ + sibling->color = IB_RBT_RED; + + } else { + if (sibling->left->color == IB_RBT_BLACK) { + + ut_a(sibling->right->color == IB_RBT_RED); + + sibling->color = IB_RBT_RED; + sibling->right->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, sibling); + + sibling = parent->left; + + ut_a(sibling != nil); + } + + sibling->color = parent->color; + sibling->left->color = IB_RBT_BLACK; + + parent->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, parent); + } + + return(node); +} + +/************************************************************************ +Delete the node and rebalance the tree if necessary */ +static +void +rbt_remove_node_and_rebalance( +/*==========================*/ + /* out: NONE */ + ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_node_t* node) /* in: node to remove */ +{ + /* Detach node and get the node that will be used + as rebalance start. */ + ib_rbt_node_t* child = rbt_detach_node(tree, node); + + if (node->color == IB_RBT_BLACK) { + ib_rbt_node_t* last = child; + + ROOT(tree)->color = IB_RBT_RED; + + while (child && child->color == IB_RBT_BLACK) { + ib_rbt_node_t* parent = child->parent; + + /* Did the deletion cause an imbalance in the + parents left sub-tree. */ + if (parent->left == child) { + + child = rbt_balance_right( + tree->nil, parent, parent->right); + + } else if (parent->right == child) { + + child = rbt_balance_left( + tree->nil, parent, parent->left); + + } else { + ut_error; + } + + if (child) { + last = child; + } + } + + ut_a(last); + + last->color = IB_RBT_BLACK; + ROOT(tree)->color = IB_RBT_BLACK; + } + + /* Note that we have removed a node from the tree. */ + --tree->n_nodes; +} + +/************************************************************************ +Recursively free the nodes. */ +static +void +rbt_free_node( +/*==========*/ + ib_rbt_node_t* node, /* in: node to free */ + ib_rbt_node_t* nil) /* in: rb tree nil node */ +{ + if (node != nil) { + rbt_free_node(node->left, nil); + rbt_free_node(node->right, nil); + + ut_free(node); + } +} + +/************************************************************************ +Free all the nodes and free the tree. */ + +void +rbt_free( +/*=====*/ + ib_rbt_t* tree) /* in: rb tree to free */ +{ + rbt_free_node(tree->root, tree->nil); + ut_free(tree->nil); + ut_free(tree); +} + +/************************************************************************ +Create an instance of a red black tree. */ + +ib_rbt_t* +rbt_create( +/*=======*/ + /* out: an empty rb tree */ + size_t sizeof_value, /* in: sizeof data item */ + ib_rbt_compare compare) /* in: fn to compare items */ +{ + ib_rbt_t* tree; + ib_rbt_node_t* node; + + tree = (ib_rbt_t*) ut_malloc(sizeof(*tree)); + memset(tree, 0, sizeof(*tree)); + + tree->sizeof_value = sizeof_value; + + /* Create the sentinel (NIL) node. */ + node = tree->nil = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); + memset(node, 0, sizeof(*node)); + + node->color = IB_RBT_BLACK; + node->parent = node->left = node->right = node; + + /* Create the "fake" root, the real root node will be the + left child of this node. */ + node = tree->root = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); + memset(node, 0, sizeof(*node)); + + node->color = IB_RBT_BLACK; + node->parent = node->left = node->right = tree->nil; + + tree->compare = compare; + + return(tree); +} + +/************************************************************************ +Generic insert of a value in the rb tree. */ + +const ib_rbt_node_t* +rbt_insert( +/*=======*/ + /* out: inserted node */ + ib_rbt_t* tree, /* in: rb tree */ + const void* key, /* in: key for ordering */ + const void* value) /* in: value of key, this value + is copied to the node */ +{ + ib_rbt_node_t* node; + + /* Create the node that will hold the value data. */ + node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); + + memcpy(node->value, value, tree->sizeof_value); + node->parent = node->left = node->right = tree->nil; + + /* Insert in the tree in the usual way. */ + rbt_tree_insert(tree, key, node); + rbt_balance_tree(tree, node); + + ++tree->n_nodes; + + return(node); +} + +/************************************************************************ +Add a new node to the tree, useful for data that is pre-sorted. */ + +const ib_rbt_node_t* +rbt_add_node( +/*=========*/ + /* out: appended node */ + ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: bounds */ + const void* value) /* in: this value is copied + to the node */ +{ + ib_rbt_node_t* node; + + /* Create the node that will hold the value data */ + node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); + + memcpy(node->value, value, tree->sizeof_value); + node->parent = node->left = node->right = tree->nil; + + /* If tree is empty */ + if (parent->last == NULL) { + parent->last = tree->root; + } + + /* Append the node, the hope here is that the caller knows + what s/he is doing. */ + rbt_tree_add_child(tree, parent, node); + rbt_balance_tree(tree, node); + + ++tree->n_nodes; + +#if defined(IB_RBT_TESTING) + ut_a(rbt_validate(tree)); +#endif + return(node); +} + +/************************************************************************ +Find a matching node in the rb tree. */ + +const ib_rbt_node_t* +rbt_lookup( +/*=======*/ + /* out: NULL if not found else + the node where key was found */ + const ib_rbt_t* tree, /* in: rb tree */ + const void* key) /* in: key to use for search */ +{ + const ib_rbt_node_t* current = ROOT(tree); + + /* Regular binary search. */ + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result < 0) { + current = current->left; + } else if (result > 0) { + current = current->right; + } else { + break; + } + } + + return(current != tree->nil ? current : NULL); +} + +/************************************************************************ +Delete a node indentified by key. */ + +ibool +rbt_delete( +/*=======*/ + /* out: TRUE if success + FALSE if not found */ + ib_rbt_t* tree, /* in: rb tree */ + const void* key) /* in: key to delete */ +{ + ibool deleted = FALSE; + ib_rbt_node_t* node = (ib_rbt_node_t*) rbt_lookup(tree, key); + + if (node) { + rbt_remove_node_and_rebalance(tree, node); + + ut_free(node); + deleted = TRUE; + } + + return(deleted); +} + +/************************************************************************ +Remove a node from the rb tree, the node is not free'd, that is the +callers responsibility. */ + +ib_rbt_node_t* +rbt_remove_node( +/*============*/ + /* out: deleted node but + without the const */ + ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* const_node) /* in: node to delete, this + is a fudge and declared const + because the caller can access + only const nodes */ +{ + /* Cast away the const. */ + rbt_remove_node_and_rebalance(tree, (ib_rbt_node_t*) const_node); + + /* This is to make it easier to do something like this: + ut_free(rbt_remove_node(node)); + */ + + return((ib_rbt_node_t*) const_node); +} + +/************************************************************************ +Find the node that has the lowest key that is >= key. */ + +const ib_rbt_node_t* +rbt_lower_bound( +/*============*/ + /* out: node satisfying the + lower bound constraint or + NULL */ + const ib_rbt_t* tree, /* in: rb tree */ + const void* key) /* in: key to search */ +{ + ib_rbt_node_t* lb_node = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result > 0) { + + current = current->right; + + } else if (result < 0) { + + lb_node = current; + current = current->left; + + } else { + lb_node = current; + break; + } + } + + return(lb_node); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. */ + +const ib_rbt_node_t* +rbt_upper_bound( +/*============*/ + /* out: node satisfying the + upper bound constraint or + NULL */ + const ib_rbt_t* tree, /* in: rb tree */ + const void* key) /* in: key to search */ +{ + ib_rbt_node_t* ub_node = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result > 0) { + + ub_node = current; + current = current->right; + + } else if (result < 0) { + + current = current->left; + + } else { + ub_node = current; + break; + } + } + + return(ub_node); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. */ + +int +rbt_search( +/*=======*/ + /* out: value of result */ + const ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: search bounds */ + const void* key) /* in: key to search */ +{ + ib_rbt_node_t* current = ROOT(tree); + + /* Every thing is greater than the NULL root. */ + parent->result = 1; + parent->last = NULL; + + while (current != tree->nil) { + + parent->last = current; + parent->result = tree->compare(key, current->value); + + if (parent->result > 0) { + current = current->right; + } else if (parent->result < 0) { + current = current->left; + } else { + break; + } + } + + return(parent->result); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. But use the +supplied comparison function. */ + +int +rbt_search_cmp( +/*===========*/ + /* out: value of result */ + const ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_bound_t* parent, /* in: search bounds */ + const void* key, /* in: key to search */ + ib_rbt_compare compare) /* in: fn to compare items */ +{ + ib_rbt_node_t* current = ROOT(tree); + + /* Every thing is greater than the NULL root. */ + parent->result = 1; + parent->last = NULL; + + while (current != tree->nil) { + + parent->last = current; + parent->result = compare(key, current->value); + + if (parent->result > 0) { + current = current->right; + } else if (parent->result < 0) { + current = current->left; + } else { + break; + } + } + + return(parent->result); +} + +/************************************************************************ +Return the left most node in the tree. */ + +const ib_rbt_node_t* +rbt_first( +/*======*/ + /* out leftmost node or NULL */ + const ib_rbt_t* tree) /* in: rb tree */ +{ + ib_rbt_node_t* first = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + first = current; + current = current->left; + } + + return(first); +} + +/************************************************************************ +Return the right most node in the tree. */ + +const ib_rbt_node_t* +rbt_last( +/*=====*/ + /* out: the rightmost node + or NULL */ + const ib_rbt_t* tree) /* in: rb tree */ +{ + ib_rbt_node_t* last = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + last = current; + current = current->right; + } + + return(last); +} + +/************************************************************************ +Return the next node. */ + +const ib_rbt_node_t* +rbt_next( +/*=====*/ + /* out: node next from + current */ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* current) /* in: current node */ +{ + return(current ? rbt_find_successor(tree, current) : NULL); +} + +/************************************************************************ +Return the previous node. */ + +const ib_rbt_node_t* +rbt_prev( +/*=====*/ + /* out: node prev from + current */ + const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_node_t* current) /* in: current node */ +{ + return(current ? rbt_find_predecessor(tree, current) : NULL); +} + +/************************************************************************ +Reset the tree. Delete all the nodes. */ + +void +rbt_clear( +/*======*/ + ib_rbt_t* tree) /* in: rb tree */ +{ + rbt_free_node(ROOT(tree), tree->nil); + + tree->n_nodes = 0; + tree->root->left = tree->root->right = tree->nil; +} + +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. */ + +ulint +rbt_merge_uniq( +/*===========*/ + /* out: no. of recs merged */ + ib_rbt_t* dst, /* in: dst rb tree */ + const ib_rbt_t* src) /* in: src rb tree */ +{ + ib_rbt_bound_t parent; + ulint n_merged = 0; + const ib_rbt_node_t* src_node = rbt_first(src); + + if (rbt_empty(src) || dst == src) { + return(0); + } + + for (/* No op */; src_node; src_node = rbt_next(src, src_node)) { + + if (rbt_search(dst, &parent, src_node->value) != 0) { + rbt_add_node(dst, &parent, src_node->value); + ++n_merged; + } + } + + return(n_merged); +} + +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +Delete the nodes from src after copying node to dst. As a side effect +the duplicates will be left untouched in the src. */ + +ulint +rbt_merge_uniq_destructive( +/*=======================*/ + /* out: no. of recs merged */ + ib_rbt_t* dst, /* in: dst rb tree */ + ib_rbt_t* src) /* in: src rb tree */ +{ + ib_rbt_bound_t parent; + ib_rbt_node_t* src_node; + ulint old_size = rbt_size(dst); + + if (rbt_empty(src) || dst == src) { + return(0); + } + + for (src_node = (ib_rbt_node_t*) rbt_first(src); src_node; /* */) { + ib_rbt_node_t* prev = src_node; + + src_node = (ib_rbt_node_t*)rbt_next(src, prev); + + /* Skip duplicates. */ + if (rbt_search(dst, &parent, prev->value) != 0) { + + /* Remove and reset the node but preserve + the node (data) value. */ + rbt_remove_node_and_rebalance(src, prev); + + /* The nil should be taken from the dst tree. */ + prev->parent = prev->left = prev->right = dst->nil; + rbt_tree_add_child(dst, &parent, prev); + rbt_balance_tree(dst, prev); + + ++dst->n_nodes; + } + } + +#if defined(IB_RBT_TESTING) + ut_a(rbt_validate(dst)); + ut_a(rbt_validate(src)); +#endif + return(rbt_size(dst) - old_size); +} + +/************************************************************************ +Check that every path from the root to the leaves has the same count and +the tree nodes are in order. */ + +ibool +rbt_validate( +/*=========*/ + /* out: TRUE if OK FALSE otherwise */ + const ib_rbt_t* tree) /* in: RB tree to validate */ +{ + if (rbt_count_black_nodes(tree, ROOT(tree)) > 0) { + return(rbt_check_ordering(tree)); + } + + return(FALSE); +} + +/************************************************************************ +Iterate over the tree in depth first order. */ + +void +rbt_print( +/*======*/ + const ib_rbt_t* tree, /* in: tree to traverse */ + ib_rbt_print_node print) /* in: print function */ +{ + rbt_print_subtree(tree, ROOT(tree), print); +} + From 388b78c927b36cce16bb33ce5f4da3f2761ab740 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 3 Mar 2008 10:25:27 +0000 Subject: [PATCH 006/400] branches/innodb+: Merge revisions 2322:2340 from branches/zip --- CMakeLists.txt | 16 +++-- btr/btr0cur.c | 6 +- buf/buf0buddy.c | 142 ++------------------------------------- buf/buf0buf.c | 24 +++++-- dict/dict0dict.c | 14 +--- handler/ha_innodb.cc | 45 +++++++++++-- handler/handler0alter.cc | 1 + handler/i_s.cc | 86 ++++++++++++++++-------- include/buf0buddy.h | 11 +-- include/buf0buddy.ic | 11 ++- include/buf0buf.h | 21 +++--- include/ha_prototypes.h | 32 +++++++++ include/os0file.h | 11 +++ include/page0types.h | 4 ++ include/univ.i | 2 +- os/os0file.c | 10 ++- os/os0proc.c | 2 +- page/page0zip.c | 21 ++++-- row/row0mysql.c | 22 +++--- row/row0row.c | 43 +----------- 20 files changed, 241 insertions(+), 283 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 47b1a566cd8..de1e19d12ea 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -25,7 +25,7 @@ INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/zlib ${CMAKE_SOURCE_DIR}/extra/yassl/include) SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c - buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c + buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c data/data0data.c data/data0type.c dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c dyn/dyn0dyn.c @@ -33,26 +33,28 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c fil/fil0fil.c fsp/fsp0fsp.c fut/fut0fut.c fut/fut0lst.c - ha/ha0ha.c ha/hash0hash.c + ha/ha0ha.c ha/hash0hash.c ha/ha0storage.c ibuf/ibuf0ibuf.c pars/lexyy.c pars/pars0grm.c pars/pars0opt.c pars/pars0pars.c pars/pars0sym.c - lock/lock0lock.c + lock/lock0lock.c lock/lock0iter.c log/log0log.c log/log0recv.c mach/mach0data.c mem/mem0mem.c mem/mem0pool.c mtr/mtr0log.c mtr/mtr0mtr.c os/os0file.c os/os0proc.c os/os0sync.c os/os0thread.c - page/page0cur.c page/page0page.c + page/page0cur.c page/page0page.c page/page0zip.c que/que0que.c - handler/ha_innodb.cc + handler/ha_innodb.cc handler/handler0alter.cc handler/i_s.cc handler/mysql_addons.cc read/read0read.c rem/rem0cmp.c rem/rem0rec.c - row/row0ins.c row/row0mysql.c row/row0purge.c row/row0row.c row/row0sel.c row/row0uins.c + row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c + row/row0purge.c row/row0row.c row/row0sel.c row/row0uins.c row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c srv/srv0que.c srv/srv0srv.c srv/srv0start.c sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c thr/thr0loc.c - trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c + trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c + trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0list.c ut/ut0wqueue.c) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 4a488236651..4a7d906a6d1 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -3733,7 +3733,7 @@ btr_push_update_extern_fields( InnoDB writes a longer prefix of externally stored columns, so that column prefixes in secondary indexes can be reconstructed. */ - dfield_set_data(field, dfield_get_data(field) + dfield_set_data(field, (byte*) dfield_get_data(field) + dfield_get_len(field) - BTR_EXTERN_FIELD_REF_SIZE, BTR_EXTERN_FIELD_REF_SIZE); @@ -4551,13 +4551,13 @@ btr_copy_zblob_prefix( ulint page_no,/* in: page number of the first BLOB page */ ulint offset) /* in: offset on the first BLOB page */ { + ulint page_type = FIL_PAGE_TYPE_ZBLOB; + ut_ad(ut_is_2pow(zip_size)); ut_ad(zip_size >= PAGE_ZIP_MIN_SIZE); ut_ad(zip_size <= UNIV_PAGE_SIZE); ut_ad(space_id); - ulint page_type = FIL_PAGE_TYPE_ZBLOB; - for (;;) { buf_page_t* bpage; int err; diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 8e18cf7bcc4..e6a84f226d1 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -28,6 +28,9 @@ UNIV_INTERN ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; /** Counts of blocks relocated by the buddy system. Protected by buf_pool_mutex. */ UNIV_INTERN ib_uint64_t buf_buddy_relocated[BUF_BUDDY_SIZES + 1]; +/** Durations of block relocations. +Protected by buf_pool_mutex. */ +UNIV_INTERN ullint buf_buddy_relocated_duration[BUF_BUDDY_SIZES + 1]; /** Preferred minimum number of frames allocated from the buffer pool to the buddy system. Unless this number is exceeded or the buffer @@ -268,135 +271,6 @@ buf_buddy_alloc_from( return(buf); } -/************************************************************************** -Try to allocate a block by freeing an unmodified page. */ -static -void* -buf_buddy_alloc_clean( -/*==================*/ - /* out: allocated block, or NULL */ - ulint i, /* in: index of buf_pool->zip_free[] */ - ibool* lru) /* in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released */ -{ - ulint count; - buf_page_t* bpage; - - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - - if (buf_buddy_n_frames >= buf_buddy_max_n_frames - && ((BUF_BUDDY_LOW << i) >= PAGE_ZIP_MIN_SIZE - && i < BUF_BUDDY_SIZES)) { - - /* Try to find a clean compressed-only page - of the same size. */ - - ulint j; - page_zip_des_t dummy_zip; - - page_zip_set_size(&dummy_zip, BUF_BUDDY_LOW << i); - - j = ut_min(UT_LIST_GET_LEN(buf_pool->zip_clean), 100); - bpage = UT_LIST_GET_FIRST(buf_pool->zip_clean); - - mutex_enter(&buf_pool_zip_mutex); - - for (; j--; bpage = UT_LIST_GET_NEXT(list, bpage)) { - if (bpage->zip.ssize != dummy_zip.ssize - || !buf_LRU_free_block(bpage, FALSE, lru)) { - - continue; - } - - /* Reuse the block. */ - - mutex_exit(&buf_pool_zip_mutex); - bpage = buf_buddy_alloc_zip(i); - - /* bpage may be NULL if buf_buddy_free() - [invoked by buf_LRU_free_block() via - buf_LRU_block_remove_hashed_page()] - recombines blocks and invokes - buf_buddy_block_free(). Because - buf_pool_mutex will not be released - after buf_buddy_block_free(), there will - be at least one block available in the - buffer pool, and thus it does not make sense - to deallocate any further compressed blocks. */ - - return(bpage); - } - - mutex_exit(&buf_pool_zip_mutex); - } - - /* Free blocks from the end of the LRU list until enough space - is available. */ - - count = 0; - -free_LRU: - for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); - bpage; - bpage = UT_LIST_GET_PREV(LRU, bpage), ++count) { - - void* ret; - mutex_t* block_mutex = buf_page_get_mutex(bpage); - - if (UNIV_UNLIKELY(!buf_page_in_file(bpage))) { - - /* This is most likely BUF_BLOCK_REMOVE_HASH, - that is, the block is already being freed. */ - continue; - } - - mutex_enter(block_mutex); - - /* Keep the compressed pages of uncompressed blocks. */ - if (!buf_LRU_free_block(bpage, FALSE, lru)) { - - mutex_exit(block_mutex); - continue; - } - - mutex_exit(block_mutex); - - /* The block was successfully freed. - Attempt to allocate memory. */ - - if (i < BUF_BUDDY_SIZES) { - - ret = buf_buddy_alloc_zip(i); - - if (ret) { - - return(ret); - } - } else { - buf_block_t* block = buf_LRU_get_free_only(); - - if (block) { - buf_buddy_block_register(block); - return(block->frame); - } - } - - /* A successful buf_LRU_free_block() may release and - reacquire buf_pool_mutex, and thus bpage->LRU of - an uncompressed page may point to garbage. Furthermore, - if bpage were a compressed page descriptor, it would - have been deallocated by buf_LRU_free_block(). - - Thus, we must restart the traversal of the LRU list. */ - - goto free_LRU; - } - - return(NULL); -} - /************************************************************************** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. @@ -442,13 +316,6 @@ buf_buddy_alloc_low( return(NULL); } - /* Try replacing a clean page in the buffer pool. */ - block = buf_buddy_alloc_clean(i, lru); - - if (block) { - - goto func_exit; - } /* Try replacing an uncompressed page in the buffer pool. */ buf_pool_mutex_exit(); block = buf_LRU_get_free_block(0); @@ -533,6 +400,7 @@ buf_buddy_relocate( { buf_page_t* bpage; const ulint size = BUF_BUDDY_LOW << i; + ullint usec = ut_time_us(NULL); ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); @@ -605,6 +473,8 @@ buf_buddy_relocate( success: UNIV_MEM_INVALID(src, size); buf_buddy_relocated[i]++; + buf_buddy_relocated_duration[i] + += ut_time_us(NULL) - usec; return(TRUE); } diff --git a/buf/buf0buf.c b/buf/buf0buf.c index dee8c2d09ae..f475d6de4b5 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -989,13 +989,16 @@ buf_pool_free(void) /************************************************************************ Relocate a buffer control block. Relocates the block on the LRU list -and in buf_pool->page_hash. Does not relocate bpage->list. */ +and in buf_pool->page_hash. Does not relocate bpage->list. +The caller must take care of relocating bpage->list. */ UNIV_INTERN void buf_relocate( /*=========*/ - buf_page_t* bpage, /* control block being relocated */ - buf_page_t* dpage) /* destination control block */ + buf_page_t* bpage, /* in/out: control block being relocated; + buf_page_get_state(bpage) must be + BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ + buf_page_t* dpage) /* in/out: destination control block */ { buf_page_t* b; ulint fold; @@ -1004,11 +1007,24 @@ buf_relocate( ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); ut_a(bpage->buf_fix_count == 0); - ut_a(buf_page_in_file(bpage)); ut_ad(bpage->in_LRU_list); ut_ad(!bpage->in_zip_hash); ut_ad(bpage->in_page_hash); ut_ad(bpage == buf_page_hash_get(bpage->space, bpage->offset)); +#ifdef UNIV_DEBUG + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_FILE_PAGE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_ZIP_PAGE: + break; + } +#endif /* UNIV_DEBUG */ memcpy(dpage, bpage, sizeof *dpage); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 7f393ba1433..1d3291833a8 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -29,6 +29,7 @@ Created 1/8/1996 Heikki Tuuri #include "row0merge.h" #ifndef UNIV_HOTBACKUP # include "m_ctype.h" /* my_isspace() */ +# include "ha_prototypes.h" /* innobase_strcasecmp() */ #endif /* !UNIV_HOTBACKUP */ #include @@ -82,19 +83,6 @@ innobase_convert_from_id( ulint len); /* in: length of 'to', in bytes; should be at least 3 * strlen(to) + 1 */ /********************************************************************** -Compares NUL-terminated UTF-8 strings case insensitively. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -UNIV_INTERN -int -innobase_strcasecmp( -/*================*/ - /* out: 0 if a=b, <0 if a1 if a>b */ - const char* a, /* in: first string to compare */ - const char* b); /* in: second string to compare */ - -/********************************************************************** Makes all characters in a NUL-terminated UTF-8 string lower case. NOTE: the prototype of this function is copied from ha_innodb.cc! If you change diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 803c1b5c21c..0f223881cf9 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -64,6 +64,7 @@ extern "C" { #include "../storage/innobase/include/thr0loc.h" #include "../storage/innobase/include/dict0boot.h" #include "../storage/innobase/include/ha_prototypes.h" +#include "../storage/innobase/include/ut0mem.h" } #include "ha_innodb.h" @@ -813,10 +814,7 @@ innobase_convert_from_id( } /********************************************************************** -Compares NUL-terminated UTF-8 strings case insensitively. - -NOTE that the exact prototype of this function has to be in -/innobase/dict/dict0dict.c! */ +Compares NUL-terminated UTF-8 strings case insensitively. */ extern "C" UNIV_INTERN int innobase_strcasecmp( @@ -909,6 +907,45 @@ innobase_convert_string( errors)); } +/*********************************************************************** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes +the result to "buf". The result is converted to "system_charset_info". +Not more than "buf_size" bytes are written to "buf". +The result is always '\0'-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating '\0'). */ +extern "C" UNIV_INTERN +ulint +innobase_raw_format( +/*================*/ + /* out: number of bytes + that were written */ + const char* data, /* in: raw data */ + ulint data_len, /* in: raw data length + in bytes */ + ulint charset_coll, /* in: charset collation */ + char* buf, /* out: output buffer */ + ulint buf_size) /* in: output buffer size + in bytes */ +{ + /* XXX we use a hard limit instead of allocating + but_size bytes from the heap */ + CHARSET_INFO* data_cs; + char buf_tmp[8192]; + ulint buf_tmp_used; + uint num_errors; + + data_cs = all_charsets[charset_coll]; + + buf_tmp_used = innobase_convert_string(buf_tmp, sizeof(buf_tmp), + system_charset_info, + data, data_len, data_cs, + &num_errors); + + return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); +} + /************************************************************************* Gets the InnoDB transaction handle for a MySQL handler object, creates an InnoDB transaction struct if the corresponding MySQL thread struct still diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index b7808238abc..fae19e1a187 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -653,6 +653,7 @@ err_exit: mem_heap_free(heap); trx_general_rollback_for_mysql(trx, FALSE, NULL); trx_free_for_mysql(trx); + trx_commit_for_mysql(prebuilt->trx); DBUG_RETURN(error); } diff --git a/handler/i_s.cc b/handler/i_s.cc index c37a26935da..b924875f649 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -6,7 +6,6 @@ InnoDB INFORMATION SCHEMA tables interface to MySQL. Created July 18, 2007 Vasil Dimov *******************************************************/ -#include #include #include @@ -931,7 +930,7 @@ trx_i_s_common_fill_table( trx_i_s_cache_start_read(cache); - if (strcasecmp(table_name, "innodb_trx") == 0) { + if (innobase_strcasecmp(table_name, "innodb_trx") == 0) { if (fill_innodb_trx_from_cache( cache, thd, tables->table) != 0) { @@ -939,7 +938,7 @@ trx_i_s_common_fill_table( ret = 1; } - } else if (strcasecmp(table_name, "innodb_locks") == 0) { + } else if (innobase_strcasecmp(table_name, "innodb_locks") == 0) { if (fill_innodb_locks_from_cache( cache, thd, tables->table) != 0) { @@ -947,7 +946,7 @@ trx_i_s_common_fill_table( ret = 1; } - } else if (strcasecmp(table_name, "innodb_lock_waits") == 0) { + } else if (innobase_strcasecmp(table_name, "innodb_lock_waits") == 0) { if (fill_innodb_lock_waits_from_cache( cache, thd, tables->table) != 0) { @@ -992,6 +991,22 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = STRUCT_FLD(old_name, "Block Size"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "used"), + STRUCT_FLD(field_length, 21), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently in Use"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "free"), + STRUCT_FLD(field_length, 21), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently Available"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "relocated"), STRUCT_FLD(field_length, 21), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), @@ -1000,6 +1015,14 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = STRUCT_FLD(old_name, "Total Number of Relocations"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "relocated_usec"), + STRUCT_FLD(field_length, 42), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Relocations"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "compressed"), STRUCT_FLD(field_length, 21), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), @@ -1017,6 +1040,14 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = " Successful Compressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "compressed_usec"), + STRUCT_FLD(field_length, 42), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Compressions"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "decompressed"), STRUCT_FLD(field_length, 21), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), @@ -1025,20 +1056,12 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = STRUCT_FLD(old_name, "Total Number of Decompressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "used"), - STRUCT_FLD(field_length, 21), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + {STRUCT_FLD(field_name, "decompressed_usec"), + STRUCT_FLD(field_length, 42), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently in Use"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "free"), - STRUCT_FLD(field_length, 21), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently Available"), + STRUCT_FLD(old_name, "Total Duration of Decompressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, END_OF_ST_FIELD_INFO @@ -1076,10 +1099,17 @@ i_s_zip_fill_low( for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { table->field[0]->store(BUF_BUDDY_LOW << x); - table->field[1]->store(buf_buddy_relocated[x]); + table->field[1]->store(buf_buddy_used[x]); + table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) + ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) + : 0); + table->field[3]->store(buf_buddy_relocated[x]); + table->field[4]->store(buf_buddy_relocated_duration[x]); + if (reset) { /* This is protected by buf_pool_mutex. */ buf_buddy_relocated[x] = 0; + buf_buddy_relocated_duration[x] = 0; } if (x > y) { @@ -1090,23 +1120,25 @@ i_s_zip_fill_low( mutex protection, but it could cause a measureable performance hit in page0zip.c. */ const uint i = x - y; - table->field[2]->store(page_zip_compress_count[i]); - table->field[3]->store(page_zip_compress_ok[i]); - table->field[4]->store(page_zip_decompress_count[i]); + table->field[5]->store(page_zip_compress_count[i]); + table->field[6]->store(page_zip_compress_ok[i]); + table->field[7]->store(page_zip_compress_duration[i]); + table->field[8]->store(page_zip_decompress_count[i]); + table->field[9]->store(page_zip_decompress_duration[i]); if (reset) { page_zip_compress_count[i] = 0; page_zip_compress_ok[i] = 0; page_zip_decompress_count[i] = 0; + page_zip_compress_duration[i] = 0; + page_zip_decompress_duration[i] = 0; } } else { - table->field[2]->store(0); - table->field[3]->store(0); - table->field[4]->store(0); + table->field[5]->store(0); + table->field[6]->store(0); + table->field[7]->store(0); + table->field[8]->store(0); + table->field[9]->store(0); } - table->field[5]->store(buf_buddy_used[x]); - table->field[6]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) - ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) - : 0); if (schema_table_store_record(thd, table)) { status = 1; diff --git a/include/buf0buddy.h b/include/buf0buddy.h index bf2e4f885f7..50d8fc2ad8c 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -21,10 +21,10 @@ Created December 2006 by Marko Makela Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired -if lru == BUF_BUDDY_USE_LRU. This function should only be used for -allocating compressed page frames or control blocks (buf_page_t). -Allocated control blocks must be properly initialized immediately -after buf_buddy_alloc() has returned the memory, before releasing +if lru != NULL. This function should only be used for allocating +compressed page frames or control blocks (buf_page_t). Allocated +control blocks must be properly initialized immediately after +buf_buddy_alloc() has returned the memory, before releasing buf_pool_mutex. */ UNIV_INLINE void* @@ -69,6 +69,9 @@ extern ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; /** Counts of blocks relocated by the buddy system. Protected by buf_pool_mutex. */ extern ib_uint64_t buf_buddy_relocated[BUF_BUDDY_SIZES + 1]; +/** Durations of block relocations. +Protected by buf_pool_mutex. */ +extern ullint buf_buddy_relocated_duration[BUF_BUDDY_SIZES + 1]; #ifndef UNIV_NONINL # include "buf0buddy.ic" diff --git a/include/buf0buddy.ic b/include/buf0buddy.ic index b0f2d01437b..2d62a2b8527 100644 --- a/include/buf0buddy.ic +++ b/include/buf0buddy.ic @@ -19,8 +19,7 @@ Created December 2006 by Marko Makela /************************************************************************** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if -lru == BUF_BUDDY_USE_LRU. */ +The buf_pool_mutex may only be released and reacquired if lru != NULL. */ UNIV_INTERN void* buf_buddy_alloc_low( @@ -70,10 +69,10 @@ buf_buddy_get_slot( Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired -if lru == BUF_BUDDY_USE_LRU. This function should only be used for -allocating compressed page frames or control blocks (buf_page_t). -Allocated control blocks must be properly initialized immediately -after buf_buddy_alloc() has returned the memory, before releasing +if lru != NULL. This function should only be used for allocating +compressed page frames or control blocks (buf_page_t). Allocated +control blocks must be properly initialized immediately after +buf_buddy_alloc() has returned the memory, before releasing buf_pool_mutex. */ UNIV_INLINE void* diff --git a/include/buf0buf.h b/include/buf0buf.h index bd033bbd5b7..ddbcaa2111f 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -100,13 +100,16 @@ buf_pool_free(void); /************************************************************************ Relocate a buffer control block. Relocates the block on the LRU list -and in buf_pool->page_hash. Does not relocate bpage->list. */ +and in buf_pool->page_hash. Does not relocate bpage->list. +The caller must take care of relocating bpage->list. */ UNIV_INTERN void buf_relocate( /*=========*/ - buf_page_t* bpage, /* control block being relocated */ - buf_page_t* dpage) /* destination control block */ + buf_page_t* bpage, /* in/out: control block being relocated; + buf_page_get_state(bpage) must be + BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ + buf_page_t* dpage) /* in/out: destination control block */ __attribute__((nonnull)); /************************************************************************ Resizes the buffer pool. */ @@ -805,7 +808,7 @@ buf_page_get_space( /*===============*/ /* out: space id */ const buf_page_t* bpage) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the space id of a block. */ UNIV_INLINE @@ -814,7 +817,7 @@ buf_block_get_space( /*================*/ /* out: space id */ const buf_block_t* block) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the page number of a block. */ UNIV_INLINE @@ -823,7 +826,7 @@ buf_page_get_page_no( /*=================*/ /* out: page number */ const buf_page_t* bpage) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the page number of a block. */ UNIV_INLINE @@ -832,7 +835,7 @@ buf_block_get_page_no( /*==================*/ /* out: page number */ const buf_block_t* block) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the compressed page size of a block. */ UNIV_INLINE @@ -841,7 +844,7 @@ buf_page_get_zip_size( /*==================*/ /* out: compressed page size, or 0 */ const buf_page_t* bpage) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the compressed page size of a block. */ UNIV_INLINE @@ -850,7 +853,7 @@ buf_block_get_zip_size( /*===================*/ /* out: compressed page size, or 0 */ const buf_block_t* block) /* in: pointer to the control block */ - __attribute((pure)); + __attribute__((pure)); /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 436d030bc2c..903be21ecd6 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -24,6 +24,28 @@ innobase_convert_string( CHARSET_INFO* from_cs, uint* errors); +/*********************************************************************** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes +the result to "buf". The result is converted to "system_charset_info". +Not more than "buf_size" bytes are written to "buf". +The result is always '\0'-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating '\0'). */ +UNIV_INTERN +ulint +innobase_raw_format( +/*================*/ + /* out: number of bytes + that were written */ + const char* data, /* in: raw data */ + ulint data_len, /* in: raw data length + in bytes */ + ulint charset_coll, /* in: charset collation */ + char* buf, /* out: output buffer */ + ulint buf_size); /* in: output buffer size + in bytes */ + /********************************************************************* Convert a table or index name to the MySQL system_charset_info (UTF-8) and quote it if needed. */ @@ -126,5 +148,15 @@ innobase_get_cset_width( ulint cset, /* in: MySQL charset-collation code */ ulint* mbminlen, /* out: minimum length of a char (in bytes) */ ulint* mbmaxlen); /* out: maximum length of a char (in bytes) */ + +/********************************************************************** +Compares NUL-terminated UTF-8 strings case insensitively. */ +UNIV_INTERN +int +innobase_strcasecmp( +/*================*/ + /* out: 0 if a=b, <0 if a1 if a>b */ + const char* a, /* in: first string to compare */ + const char* b); /* in: second string to compare */ #endif #endif diff --git a/include/os0file.h b/include/os0file.h index 2dce883d54a..4b0b6919866 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -290,6 +290,17 @@ os_file_create_simple_no_error_handling( used by a backup program reading the file */ ibool* success);/* out: TRUE if succeed, FALSE if error */ /******************************************************************** +Tries to disable OS caching on an opened file descriptor. */ +UNIV_INTERN +void +os_file_set_nocache( +/*================*/ + int fd, /* in: file descriptor to alter */ + const char* file_name, /* in: file name, used in the + diagnostic message */ + const char* operation_name);/* in: "open" or "create"; used in the + diagnostic message */ +/******************************************************************** Opens an existing file or creates a new. */ UNIV_INTERN os_file_t diff --git a/include/page0types.h b/include/page0types.h index 13f44dd5b23..f11b3038bee 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -54,6 +54,10 @@ extern ulint page_zip_compress_count[8]; extern ulint page_zip_compress_ok[8]; /** Number of page decompressions, indexed by page_zip_des_t::ssize */ extern ulint page_zip_decompress_count[8]; +/** Duration of page compressions, indexed by page_zip_des_t::ssize */ +extern ullint page_zip_compress_duration[8]; +/** Duration of page decompressions, indexed by page_zip_des_t::ssize */ +extern ullint page_zip_decompress_duration[8]; /************************************************************************** Write data to the compressed page. The data must already be written to diff --git a/include/univ.i b/include/univ.i index c66c3b03dc4..fb061447e78 100644 --- a/include/univ.i +++ b/include/univ.i @@ -45,7 +45,7 @@ if we are compiling on Windows. */ /* Include to get S_I... macros defined for os0file.c */ # include -# ifndef __NETWARE__ +# if !defined(__NETWARE__) && !defined(__WIN__) # include /* mmap() for os0proc.c */ # endif diff --git a/os/os0file.c b/os/os0file.c index 06d3d729650..c55a5aafc97 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -1109,12 +1109,10 @@ void os_file_set_nocache( /*================*/ int fd, /* in: file descriptor to alter */ - const char* file_name, /* in: used in the diagnostic message */ - const char* operation_name) /* in: used in the diagnostic message, - we call os_file_set_nocache() - immediately after opening or creating - a file, so this is either "open" or - "create" */ + const char* file_name, /* in: file name, used in the + diagnostic message */ + const char* operation_name) /* in: "open" or "create"; used in the + diagnostic message */ { /* some versions of Solaris may not have DIRECTIO_ON */ #if defined(UNIV_SOLARIS) && defined(DIRECTIO_ON) diff --git a/os/os0proc.c b/os/os0proc.c index f29fb2153ee..33f3064e4d9 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -129,7 +129,7 @@ skip: size = *n = ut_2pow_round(*n + system_info.dwPageSize - 1, system_info.dwPageSize); ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, - PAGE_READWRITE | PAGE_WRITECOMBINE); + PAGE_READWRITE); if (!ptr) { fprintf(stderr, "InnoDB: VirtualAlloc(%lu bytes) failed;" " Windows error %lu\n", diff --git a/page/page0zip.c b/page/page0zip.c index 692e791b23d..2c0004e11c9 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -30,6 +30,10 @@ UNIV_INTERN ulint page_zip_compress_count[8]; UNIV_INTERN ulint page_zip_compress_ok[8]; /** Number of page decompressions, indexed by page_zip_des_t::ssize */ UNIV_INTERN ulint page_zip_decompress_count[8]; +/** Duration of page compressions, indexed by page_zip_des_t::ssize */ +UNIV_INTERN ullint page_zip_compress_duration[8]; +/** Duration of page decompressions, indexed by page_zip_des_t::ssize */ +UNIV_INTERN ullint page_zip_decompress_duration[8]; /* Please refer to ../include/page0zip.ic for a description of the compressed page format. */ @@ -1104,6 +1108,7 @@ page_zip_compress( ulint* offsets = NULL; ulint n_blobs = 0; byte* storage;/* storage of uncompressed columns */ + ullint usec = ut_time_us(NULL); #ifdef PAGE_ZIP_COMPRESS_DBG FILE* logfile = NULL; #endif @@ -1169,12 +1174,8 @@ page_zip_compress( if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE >= page_zip_get_size(page_zip))) { -#ifdef PAGE_ZIP_COMPRESS_DBG - if (logfile) { - fclose(logfile); - } -#endif /* PAGE_ZIP_COMPRESS_DBG */ - return(FALSE); + + goto err_exit; } heap = mem_heap_create(page_zip_get_size(page_zip) @@ -1300,11 +1301,14 @@ page_zip_compress( zlib_error: deflateEnd(&c_stream); mem_heap_free(heap); +err_exit: #ifdef PAGE_ZIP_COMPRESS_DBG if (logfile) { fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ + page_zip_compress_duration[page_zip->ssize] + += ut_time_us(NULL) - usec; return(FALSE); } @@ -1362,6 +1366,8 @@ zlib_error: fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ + page_zip_compress_duration[page_zip->ssize] + += ut_time_us(NULL) - usec; return(TRUE); } @@ -2779,6 +2785,7 @@ page_zip_decompress( ulint trx_id_col = ULINT_UNDEFINED; mem_heap_t* heap; ulint* offsets; + ullint usec = ut_time_us(NULL); ut_ad(page_zip_simple_validate(page_zip)); UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); @@ -2935,6 +2942,8 @@ err_exit: page_zip_fields_free(index); mem_heap_free(heap); page_zip_decompress_count[page_zip->ssize]++; + page_zip_decompress_duration[page_zip->ssize] + += ut_time_us(NULL) - usec; return(TRUE); } diff --git a/row/row0mysql.c b/row/row0mysql.c index 26a0b98fc06..68cad5c8a6f 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1725,7 +1725,7 @@ row_create_table_for_mysql( " by the user.\n" "InnoDB: Shut down mysqld and edit my.cnf so that newraw" " is replaced with raw.\n", stderr); - +err_exit: dict_mem_table_free(table); trx_commit_for_mysql(trx); @@ -1742,11 +1742,7 @@ row_create_table_for_mysql( "InnoDB: MySQL system tables must be" " of the MyISAM type!\n", table->name); - - dict_mem_table_free(table); - trx_commit_for_mysql(trx); - - return(DB_ERROR); + goto err_exit; } /* Check that no reserved column names are used. */ @@ -1754,10 +1750,7 @@ row_create_table_for_mysql( if (dict_col_name_is_reserved( dict_table_get_col_name(table, i))) { - dict_mem_table_free(table); - trx_commit_for_mysql(trx); - - return(DB_ERROR); + goto err_exit; } } @@ -1833,10 +1826,13 @@ row_create_table_for_mysql( err = trx->error_state; + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, FALSE, NULL); + } + switch (err) { case DB_OUT_OF_FILE_SPACE: - trx_general_rollback_for_mysql(trx, FALSE, NULL); - ut_print_timestamp(stderr); fputs(" InnoDB: Warning: cannot create table ", stderr); @@ -1850,8 +1846,6 @@ row_create_table_for_mysql( break; case DB_DUPLICATE_KEY: - trx_general_rollback_for_mysql(trx, FALSE, NULL); - ut_print_timestamp(stderr); fputs(" InnoDB: Error: table ", stderr); ut_print_name(stderr, trx, TRUE, table->name); diff --git a/row/row0row.c b/row/row0row.c index ad2253652cc..d9a100551c9 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -905,47 +905,6 @@ row_raw_format_int( return(ut_min(ret, buf_size)); } -extern CHARSET_INFO* system_charset_info; - -/*********************************************************************** -Formats the raw data in "data" (in InnoDB on-disk format) that is of -type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes -the result to "buf". The result is converted to "system_charset_info". -Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the -number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ -static -ulint -row_raw_format_str_convert( -/*=======================*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length - in bytes */ - ulint charset_coll, /* in: charset collation */ - char* buf, /* out: output buffer */ - ulint buf_size) /* in: output buffer size - in bytes */ -{ - /* XXX we use a hard limit instead of allocating - but_size bytes from the heap */ - CHARSET_INFO* data_cs; - char buf_tmp[8192]; - ulint buf_tmp_used; - uint num_errors; - - data_cs = all_charsets[charset_coll]; - - buf_tmp_used = innobase_convert_string(buf_tmp, sizeof(buf_tmp), - system_charset_info, - data, data_len, data_cs, - &num_errors); - - return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); -} - /*********************************************************************** Formats the raw data in "data" (in InnoDB on-disk format) that is of type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "prtype" and writes the @@ -997,7 +956,7 @@ row_raw_format_str( } /* else */ - return(row_raw_format_str_convert(data, data_len, charset_coll, + return(innobase_raw_format(data, data_len, charset_coll, buf, buf_size)); } From 842d6250e5087871c23f3378510d031efc3b0264 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 3 Mar 2008 10:27:57 +0000 Subject: [PATCH 007/400] branches/innodb+: Add posix_fadvise() caching hints to the temporary files that are used in merge sort when creating indexes. --- row/row0merge.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/row/row0merge.c b/row/row0merge.c index 542bea8b8a7..d5ee81ae053 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -40,6 +40,11 @@ Completed by Sunny Bains and Marko Makela #include "ut0sort.h" #include "handler0alter.h" +/* Ignore posix_fadvise() on those platforms where it does not exist */ +#if defined __WIN__ +# define posix_fadvise(fd, offset, len, advice) /* nothing */ +#endif /* __WIN__ */ + #ifdef UNIV_DEBUG /* Set these in order ot enable debug printout. */ static ibool row_merge_print_cmp; @@ -641,6 +646,9 @@ row_merge_read( (ulint) (ofs & 0xFFFFFFFF), (ulint) (ofs >> 32), sizeof *buf); + /* Each block is read exactly once. Free up the file cache. */ + posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); + if (UNIV_UNLIKELY(!success)) { ut_print_timestamp(stderr); fprintf(stderr, @@ -664,11 +672,18 @@ row_merge_write( { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof(row_merge_block_t); + ibool success; - return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, - (ulint) (ofs & 0xFFFFFFFF), - (ulint) (ofs >> 32), - sizeof(row_merge_block_t)))); + success = os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, + (ulint) (ofs & 0xFFFFFFFF), + (ulint) (ofs >> 32), + sizeof(row_merge_block_t)); + + /* The block will be needed on the next merge pass, + but it can be evicted from the file cache meanwhile. */ + posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); + + return(UNIV_LIKELY(success)); } /************************************************************************ @@ -1416,6 +1431,12 @@ row_merge( of.fd = *tmpfd; of.offset = 0; + /* The input file will be read sequentially, starting from the + beginning and the middle. In Linux, the POSIX_FADV_SEQUENTIAL + affects the entire file. Each block will be read exactly once. */ + posix_fadvise(file->fd, 0, 0, + POSIX_FADV_SEQUENTIAL | POSIX_FADV_NOREUSE); + /* Merge blocks to the output file. */ foffs0 = 0; foffs1 = half; From f30c39ae7fbf16a5ccff509a0af6a859f66e0264 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 3 Mar 2008 12:57:07 +0000 Subject: [PATCH 008/400] branches/innodb+: Merge revisions 2340:2343 from branches/zip --- btr/btr0cur.c | 3 +- buf/buf0buddy.c | 19 +- buf/buf0buf.c | 53 ++++- buf/buf0flu.c | 9 + buf/buf0lru.c | 471 ++++++++++++++++++++++++++++++++++---------- buf/buf0rea.c | 7 + include/buf0buddy.h | 13 -- include/buf0buf.h | 25 ++- include/buf0buf.ic | 16 ++ include/buf0lru.h | 94 +++++++-- page/page0zip.c | 4 + srv/srv0srv.c | 5 + 12 files changed, 564 insertions(+), 155 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 4a7d906a6d1..9f8946ad4dd 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -3822,7 +3822,8 @@ btr_blob_free( && buf_block_get_space(block) == space && buf_block_get_page_no(block) == page_no) { - if (!buf_LRU_free_block(&block->page, all, NULL) + if (buf_LRU_free_block(&block->page, all, NULL) + != BUF_LRU_FREED && all && block->page.zip.data) { /* Attempt to deallocate the uncompressed page if the whole block cannot be deallocted. */ diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index e6a84f226d1..66a394e4ec0 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -19,9 +19,11 @@ Created December 2006 by Marko Makela /* Statistic counters */ +#ifdef UNIV_DEBUG /** Number of frames allocated from the buffer pool to the buddy system. Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_buddy_n_frames; +static ulint buf_buddy_n_frames; +#endif /* UNIV_DEBUG */ /** Counts of blocks allocated from the buddy system. Protected by buf_pool_mutex. */ UNIV_INTERN ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; @@ -32,17 +34,6 @@ UNIV_INTERN ib_uint64_t buf_buddy_relocated[BUF_BUDDY_SIZES + 1]; Protected by buf_pool_mutex. */ UNIV_INTERN ullint buf_buddy_relocated_duration[BUF_BUDDY_SIZES + 1]; -/** Preferred minimum number of frames allocated from the buffer pool -to the buddy system. Unless this number is exceeded or the buffer -pool is scarce, the LRU algorithm will not free compressed-only pages -in order to satisfy an allocation request. Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_buddy_min_n_frames = 0; -/** Preferred maximum number of frames allocated from the buffer pool -to the buddy system. Unless this number is exceeded, the buddy allocator -will not try to free clean compressed-only pages before falling back -to the LRU algorithm. Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_buddy_max_n_frames = ULINT_UNDEFINED; - /************************************************************************** Get the offset of the buddy of a compressed page frame. */ UNIV_INLINE @@ -204,7 +195,7 @@ buf_buddy_block_free( mutex_exit(&block->mutex); ut_ad(buf_buddy_n_frames > 0); - buf_buddy_n_frames--; + ut_d(buf_buddy_n_frames--); } /************************************************************************** @@ -231,7 +222,7 @@ buf_buddy_block_register( HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); - buf_buddy_n_frames++; + ut_d(buf_buddy_n_frames++); } /************************************************************************** diff --git a/buf/buf0buf.c b/buf/buf0buf.c index f475d6de4b5..9efd321f28f 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -133,7 +133,7 @@ There are several lists of control blocks. The free list (buf_pool->free) contains blocks which are currently not used. -The LRU-list contains all the blocks holding a file page +The common LRU list contains all the blocks holding a file page except those for which the bufferfix count is non-zero. The pages are in the LRU list roughly in the order of the last access to the page, so that the oldest pages are at the end of the @@ -148,6 +148,14 @@ table which cannot fit in the memory. Putting the pages near the of the LRU list, we make sure that most of the buf_pool stays in the main memory, undisturbed. +The unzip_LRU list contains a subset of the common LRU list. The +blocks on the unzip_LRU list hold a compressed file page and the +corresponding uncompressed page frame. A block is in unzip_LRU if and +only if the predicate buf_page_belongs_to_unzip_LRU(&block->page) +holds. The blocks in unzip_LRU will be in same order as they are in +the common LRU list. That is, each manipulation of the common LRU +list will result in the same manipulation of the unzip_LRU list. + The chain of modified blocks (buf_pool->flush_list) contains the blocks holding file pages that have been modified in the memory but not written to disk yet. The block with the oldest modification @@ -649,6 +657,7 @@ buf_block_init( block->page.in_flush_list = FALSE; block->page.in_free_list = FALSE; block->page.in_LRU_list = FALSE; + block->in_unzip_LRU_list = FALSE; block->n_pointers = 0; #endif /* UNIV_DEBUG */ page_zip_des_init(&block->page.zip); @@ -881,6 +890,7 @@ buf_chunk_free( ut_a(!block->page.zip.data); ut_ad(!block->page.in_LRU_list); + ut_ad(!block->in_unzip_LRU_list); ut_ad(!block->page.in_flush_list); /* Remove the block from the free list. */ ut_ad(block->page.in_free_list); @@ -1147,8 +1157,8 @@ shrink_again: buf_LRU_make_block_old(&block->page); dirty++; - } else if (!buf_LRU_free_block(&block->page, - TRUE, NULL)) { + } else if (buf_LRU_free_block(&block->page, TRUE, NULL) + != BUF_LRU_FREED) { nonfree++; } @@ -1651,7 +1661,8 @@ lookup: break; case BUF_BLOCK_FILE_PAGE: /* Discard the uncompressed page frame if possible. */ - if (buf_LRU_free_block(bpage, FALSE, NULL)) { + if (buf_LRU_free_block(bpage, FALSE, NULL) + == BUF_LRU_FREED) { mutex_exit(block_mutex); goto lookup; @@ -2050,8 +2061,13 @@ wait_until_unfixed: } /* Buffer-fix, I/O-fix, and X-latch the block - for the duration of the decompression. */ + for the duration of the decompression. + Also add the block to the unzip_LRU list. */ block->page.state = BUF_BLOCK_FILE_PAGE; + + /* Insert at the front of unzip_LRU list */ + buf_unzip_LRU_add_block(block, FALSE); + block->page.buf_fix_count = 1; buf_block_set_io_fix(block, BUF_IO_READ); buf_pool->n_pend_unzip++; @@ -2740,6 +2756,14 @@ err_exit2: data = buf_buddy_alloc(zip_size, &lru); mutex_enter(&block->mutex); block->page.zip.data = data; + + /* To maintain the invariant + block->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(&block->page) + we have to add this block to unzip_LRU + after block->page.zip.data is set. */ + ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); + buf_unzip_LRU_add_block(block, TRUE); } mutex_exit(&block->mutex); @@ -2908,6 +2932,14 @@ buf_page_create( mutex_enter(&block->mutex); block->page.zip.data = data; + /* To maintain the invariant + block->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(&block->page) + we have to add this block to unzip_LRU after + block->page.zip.data is set. */ + ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); + buf_unzip_LRU_add_block(block, FALSE); + buf_page_set_io_fix(&block->page, BUF_IO_NONE); rw_lock_x_unlock(&block->lock); } @@ -3187,6 +3219,7 @@ buf_pool_invalidate(void) buf_pool_mutex_enter(); ut_ad(UT_LIST_GET_LEN(buf_pool->LRU) == 0); + ut_ad(UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0); buf_pool_mutex_exit(); } @@ -3720,6 +3753,16 @@ buf_print_io( buf_pool->n_pages_created_old = buf_pool->n_pages_created; buf_pool->n_pages_written_old = buf_pool->n_pages_written; + /* Print some values to help us with visualizing what is + happening with LRU eviction. */ + fprintf(file, + "LRU len: %lu, unzip_LRU len: %lu\n" + "I/O sum[%lu]:cur[%lu], unzip sum[%lu]:cur[%lu]\n", + UT_LIST_GET_LEN(buf_pool->LRU), + UT_LIST_GET_LEN(buf_pool->unzip_LRU), + buf_LRU_stat_sum.io, buf_LRU_stat_cur.io, + buf_LRU_stat_sum.unzip, buf_LRU_stat_cur.unzip); + buf_pool_mutex_exit(); } diff --git a/buf/buf0flu.c b/buf/buf0flu.c index ea4dd13cdd2..126c5c29bc6 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -476,6 +476,11 @@ flush: buf_page_get_zip_size(&block->page), (void*)block->page.zip.data, (void*)block); + + /* Increment the counter of I/O operations used + for selecting LRU policy. */ + buf_LRU_stat_inc_io(); + continue; } @@ -505,6 +510,10 @@ flush: FALSE, buf_block_get_space(block), 0, buf_block_get_page_no(block), 0, UNIV_PAGE_SIZE, (void*)block->frame, (void*)block); + + /* Increment the counter of I/O operations used + for selecting LRU policy. */ + buf_LRU_stat_inc_io(); } /* Wake possible simulated aio thread to actually post the diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 4b60c1d5fa4..2ba618b5029 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -48,6 +48,38 @@ initial segment in buf_LRU_get_recent_limit */ frames in the buffer pool, we set this to TRUE */ UNIV_INTERN ibool buf_lru_switched_on_innodb_mon = FALSE; +/********************************************************************** +These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O +and page_zip_decompress() operations. Based on the statistics, +buf_LRU_evict_from_unzip_LRU() decides if we want to evict from +unzip_LRU or the regular LRU. From unzip_LRU, we will only evict the +uncompressed frame (meaning we can evict dirty blocks as well). From +the regular LRU, we will evict the entire block (i.e.: both the +uncompressed and compressed data), which must be clean. */ + +/* Number of intervals for which we keep the history of these stats. +Each interval is 1 second, defined by the rate at which +srv_error_monitor_thread() calls buf_LRU_stat_update(). */ +#define BUF_LRU_STAT_N_INTERVAL 50 + +/* Co-efficient with which we multiply I/O operations to equate them +with page_zip_decompress() operations. */ +#define BUF_LRU_IO_TO_UNZIP_FACTOR 50 + +/* Sampled values buf_LRU_stat_cur. +Protected by buf_pool_mutex. Updated by buf_LRU_stat_update(). */ +static buf_LRU_stat_t buf_LRU_stat_arr[BUF_LRU_STAT_N_INTERVAL]; +/* Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ +static ulint buf_LRU_stat_arr_ind; + +/* Current operation counters. Not protected by any mutex. Cleared +by buf_LRU_stat_update(). */ +UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_cur; + +/* Running sum of past values of buf_LRU_stat_cur. +Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; + /********************************************************************** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), @@ -78,6 +110,53 @@ buf_LRU_block_free_hashed_page( buf_block_t* block); /* in: block, must contain a file page and be in a state where it can be freed */ +/********************************************************************** +Determines if the unzip_LRU list should be used for evicting a victim +instead of the general LRU list. */ +UNIV_INLINE +ibool +buf_LRU_evict_from_unzip_LRU(void) +/*==============================*/ + /* out: TRUE if should use unzip_LRU */ +{ + ulint io_avg; + ulint unzip_avg; + + ut_ad(buf_pool_mutex_own()); + + /* If the unzip_LRU list is empty, we can only use the LRU. */ + if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0) { + return(FALSE); + } + + /* If unzip_LRU is at most 10% of the size of the LRU list, + then use the LRU. This slack allows us to keep hot + decompressed pages in the buffer pool. */ + if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) + <= UT_LIST_GET_LEN(buf_pool->LRU) / 10) { + return(FALSE); + } + + /* If eviction hasn't started yet, we assume by default + that a workload is disk bound. */ + if (buf_pool->freed_page_clock == 0) { + return(TRUE); + } + + /* Calculate the average over past intervals, and add the values + of the current interval. */ + io_avg = buf_LRU_stat_sum.io / BUF_LRU_STAT_N_INTERVAL + + buf_LRU_stat_cur.io; + unzip_avg = buf_LRU_stat_sum.unzip / BUF_LRU_STAT_N_INTERVAL + + buf_LRU_stat_cur.unzip; + + /* Decide based on our formula. If the load is I/O bound + (unzip_avg is smaller than the weighted io_avg), evict an + uncompressed frame from unzip_LRU. Otherwise we assume that + the load is CPU bound and evict from the regular LRU. */ + return(unzip_avg <= io_avg * BUF_LRU_IO_TO_UNZIP_FACTOR); +} + /********************************************************************** Invalidates all pages belonging to a given tablespace when we are deleting the data file(s) of that tablespace. */ @@ -249,112 +328,168 @@ buf_LRU_insert_zip_clean( } /********************************************************************** -Look for a replaceable block from the end of the LRU list and put it to -the free list if found. */ +Try to free an uncompressed page of a compressed block from the unzip +LRU list. The compressed page is preserved, and it need not be clean. */ +UNIV_INLINE +ibool +buf_LRU_free_from_unzip_LRU_list( +/*=============================*/ + /* out: TRUE if freed */ + ulint n_iterations) /* in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; we will search + n_iterations / 5 of the unzip_LRU list, + or nothing if n_iterations >= 5 */ +{ + buf_block_t* block; + ulint distance; + + ut_ad(buf_pool_mutex_own()); + + /* Theoratically it should be much easier to find a victim + from unzip_LRU as we can choose even a dirty block (as we'll + be evicting only the uncompressed frame). In a very unlikely + eventuality that we are unable to find a victim from + unzip_LRU, we fall back to the regular LRU list. We do this + if we have done five iterations so far. */ + + if (UNIV_UNLIKELY(n_iterations >= 5) + || !buf_LRU_evict_from_unzip_LRU()) { + + return(FALSE); + } + + distance = 100 + (n_iterations + * UT_LIST_GET_LEN(buf_pool->unzip_LRU)) / 5; + + for (block = UT_LIST_GET_LAST(buf_pool->unzip_LRU); + UNIV_LIKELY(block != NULL) && UNIV_LIKELY(distance > 0); + block = UT_LIST_GET_PREV(unzip_LRU, block), distance--) { + + enum buf_lru_free_block_status freed; + + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(block->in_unzip_LRU_list); + ut_ad(block->page.in_LRU_list); + + mutex_enter(&block->mutex); + freed = buf_LRU_free_block(&block->page, FALSE, NULL); + mutex_exit(&block->mutex); + + switch (freed) { + case BUF_LRU_FREED: + return(TRUE); + + case BUF_LRU_CANNOT_RELOCATE: + /* If we failed to relocate, try + regular LRU eviction. */ + return(FALSE); + + case BUF_LRU_NOT_FREED: + /* The block was buffer-fixed or I/O-fixed. + Keep looking. */ + continue; + } + + /* inappropriate return value from + buf_LRU_free_block() */ + ut_error; + } + + return(FALSE); +} + +/********************************************************************** +Try to free a clean page from the common LRU list. */ +UNIV_INLINE +ibool +buf_LRU_free_from_common_LRU_list( +/*==============================*/ + /* out: TRUE if freed */ + ulint n_iterations) /* in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list */ +{ + buf_page_t* bpage; + ulint distance; + + ut_ad(buf_pool_mutex_own()); + + distance = 100 + (n_iterations * buf_pool->curr_size) / 10; + + for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); + UNIV_LIKELY(bpage != NULL) && UNIV_LIKELY(distance > 0); + bpage = UT_LIST_GET_PREV(LRU, bpage), distance--) { + + enum buf_lru_free_block_status freed; + mutex_t* block_mutex + = buf_page_get_mutex(bpage); + + ut_ad(buf_page_in_file(bpage)); + ut_ad(bpage->in_LRU_list); + + mutex_enter(block_mutex); + freed = buf_LRU_free_block(bpage, TRUE, NULL); + mutex_exit(block_mutex); + + switch (freed) { + case BUF_LRU_FREED: + return(TRUE); + + case BUF_LRU_NOT_FREED: + /* The block was dirty, buffer-fixed, or I/O-fixed. + Keep looking. */ + continue; + + case BUF_LRU_CANNOT_RELOCATE: + /* This should never occur, because we + want to discard the compressed page too. */ + break; + } + + /* inappropriate return value from + buf_LRU_free_block() */ + ut_error; + } + + return(FALSE); +} + +/********************************************************************** +Try to free a replaceable block. */ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - /* out: TRUE if freed */ + /* out: TRUE if found and freed */ ulint n_iterations) /* in: how many times this has been called repeatedly without result: a high value means - that we should search farther; if value is - k < 10, then we only search k/10 * [number - of pages in the buffer pool] from the end - of the LRU list */ + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list; if + n_iterations < 5, then we will also search + n_iterations / 5 of the unzip_LRU list. */ { - buf_page_t* bpage; - ibool freed; + ibool freed = FALSE; buf_pool_mutex_enter(); - freed = FALSE; - bpage = UT_LIST_GET_LAST(buf_pool->LRU); + freed = buf_LRU_free_from_unzip_LRU_list(n_iterations); - if (UNIV_UNLIKELY(n_iterations > 10)) { - /* The buffer pool is scarce. Search the whole LRU list. */ - - while (bpage != NULL) { - mutex_t* block_mutex - = buf_page_get_mutex(bpage); - - mutex_enter(block_mutex); - freed = buf_LRU_free_block(bpage, TRUE, NULL); - mutex_exit(block_mutex); - - if (freed) { - - break; - } - - bpage = UT_LIST_GET_PREV(LRU, bpage); - } - } else if (buf_buddy_n_frames > buf_buddy_min_n_frames) { - /* There are enough compressed blocks. Free the - least recently used block, whether or not it - comprises an uncompressed page. */ - - ulint distance = 100 - + (n_iterations * buf_pool->curr_size) / 10; - - while (bpage != NULL) { - mutex_t* block_mutex - = buf_page_get_mutex(bpage); - - mutex_enter(block_mutex); - freed = buf_LRU_free_block(bpage, TRUE, NULL); - mutex_exit(block_mutex); - - if (freed) { - - break; - } - - bpage = UT_LIST_GET_PREV(LRU, bpage); - - if (!--distance) { - goto func_exit; - } - } - } else { - /* There are few compressed blocks. Skip compressed-only - blocks in the search for the least recently used block - that can be freed. */ - - ulint distance = 100 - + (n_iterations * buf_pool->curr_size) / 10; - - while (bpage != NULL) { - if (buf_page_get_state(bpage) - == BUF_BLOCK_FILE_PAGE) { - - buf_block_t* block = (buf_block_t*) bpage; - mutex_enter(&block->mutex); - freed = buf_LRU_free_block(bpage, TRUE, NULL); - mutex_exit(&block->mutex); - - if (freed) { - - break; - } - } - - bpage = UT_LIST_GET_PREV(LRU, bpage); - - if (!--distance) { - goto func_exit; - } - } + if (!freed) { + freed = buf_LRU_free_from_common_LRU_list(n_iterations); } - if (buf_pool->LRU_flush_ended > 0) { + if (!freed) { + buf_pool->LRU_flush_ended = 0; + } else if (buf_pool->LRU_flush_ended > 0) { buf_pool->LRU_flush_ended--; } -func_exit: - if (!freed) { - buf_pool->LRU_flush_ended = 0; - } buf_pool_mutex_exit(); return(freed); @@ -716,6 +851,29 @@ buf_LRU_old_init(void) buf_LRU_old_adjust_len(); } +/********************************************************************** +Remove a block from the unzip_LRU list if it belonged to the list. */ +static +void +buf_unzip_LRU_remove_block_if_needed( +/*=================================*/ + buf_page_t* bpage) /* in/out: control block */ +{ + ut_ad(buf_pool); + ut_ad(bpage); + ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_block_t* block = (buf_block_t*) bpage; + + ut_ad(block->in_unzip_LRU_list); + ut_d(block->in_unzip_LRU_list = FALSE); + + UT_LIST_REMOVE(unzip_LRU, buf_pool->unzip_LRU, block); + } +} + /********************************************************************** Removes a block from the LRU list. */ UNIV_INLINE @@ -752,6 +910,8 @@ buf_LRU_remove_block( UT_LIST_REMOVE(LRU, buf_pool->LRU, bpage); ut_d(bpage->in_LRU_list = FALSE); + buf_unzip_LRU_remove_block_if_needed(bpage); + /* If the LRU list is so short that LRU_old not defined, return */ if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { @@ -772,6 +932,32 @@ buf_LRU_remove_block( buf_LRU_old_adjust_len(); } +/********************************************************************** +Adds a block to the LRU list of decompressed zip pages. */ +UNIV_INTERN +void +buf_unzip_LRU_add_block( +/*====================*/ + buf_block_t* block, /* in: control block */ + ibool old) /* in: TRUE if should be put to the end + of the list, else put to the start */ +{ + ut_ad(buf_pool); + ut_ad(block); + ut_ad(buf_pool_mutex_own()); + + ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); + + ut_ad(!block->in_unzip_LRU_list); + ut_d(block->in_unzip_LRU_list = TRUE); + + if (old) { + UT_LIST_ADD_LAST(unzip_LRU, buf_pool->unzip_LRU, block); + } else { + UT_LIST_ADD_FIRST(unzip_LRU, buf_pool->unzip_LRU, block); + } +} + /********************************************************************** Adds a block to the LRU list end. */ UNIV_INLINE @@ -822,6 +1008,12 @@ buf_LRU_add_block_to_end_low( buf_LRU_old_init(); } + + /* If this is a zipped block with decompressed frame as well + then put it on the unzip_LRU list */ + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_unzip_LRU_add_block((buf_block_t*) bpage, TRUE); + } } /********************************************************************** @@ -879,6 +1071,12 @@ buf_LRU_add_block_low( buf_LRU_old_init(); } + + /* If this is a zipped block with decompressed frame as well + then put it on the unzip_LRU list */ + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_unzip_LRU_add_block((buf_block_t*) bpage, old); + } } /********************************************************************** @@ -922,17 +1120,17 @@ buf_LRU_make_block_old( } /********************************************************************** -Try to free a block. */ +Try to free a block. If bpage is a descriptor of a compressed-only +page, the descriptor object will be freed as well. If this function +returns BUF_LRU_FREED, it will not temporarily release +buf_pool_mutex. */ UNIV_INTERN -ibool +enum buf_lru_free_block_status buf_LRU_free_block( /*===============*/ - /* out: TRUE if freed. If bpage is a - descriptor of a compressed-only page, - the descriptor object will be freed - as well. If this function returns FALSE, - it will not temporarily release - buf_pool_mutex. */ + /* out: BUF_LRU_FREED if freed, + BUF_LRU_CANNOT_RELOCATE or + BUF_LRU_NOT_FREED otherwise. */ buf_page_t* bpage, /* in: block to be freed */ ibool zip, /* in: TRUE if should remove also the compressed page of an uncompressed page */ @@ -954,7 +1152,7 @@ buf_LRU_free_block( if (!buf_page_can_relocate(bpage)) { /* Do not free buffer-fixed or I/O-fixed blocks. */ - return(FALSE); + return(BUF_LRU_NOT_FREED); } if (zip || !bpage->zip.data) { @@ -962,7 +1160,7 @@ buf_LRU_free_block( /* Do not completely free dirty blocks. */ if (bpage->oldest_modification) { - return(FALSE); + return(BUF_LRU_NOT_FREED); } } else if (bpage->oldest_modification) { /* Do not completely free dirty blocks. */ @@ -970,7 +1168,7 @@ buf_LRU_free_block( if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_DIRTY); - return(FALSE); + return(BUF_LRU_NOT_FREED); } goto alloc; @@ -984,7 +1182,7 @@ alloc: buf_pool_mutex_exit_allow(); if (UNIV_UNLIKELY(!b)) { - return(FALSE); + return(BUF_LRU_CANNOT_RELOCATE); } memcpy(b, bpage, sizeof *b); @@ -1022,6 +1220,9 @@ alloc: invokes buf_LRU_remove_block(). */ ut_ad(!bpage->in_page_hash); ut_ad(!bpage->in_LRU_list); + /* bpage->state was BUF_BLOCK_FILE_PAGE because + b != NULL. The type cast below is thus valid. */ + ut_ad(!((buf_block_t*) bpage)->in_unzip_LRU_list); /* The fields of bpage were copied to b before buf_LRU_block_remove_hashed_page() was invoked. */ @@ -1151,7 +1352,7 @@ alloc: mutex_enter(block_mutex); } - return(TRUE); + return(BUF_LRU_FREED); } /********************************************************************** @@ -1410,6 +1611,42 @@ buf_LRU_block_free_hashed_page( buf_LRU_block_free_non_file_page(block); } +/************************************************************************ +Update the historical stats that we are collecting for LRU eviction +policy at the end of each interval. */ +UNIV_INTERN +void +buf_LRU_stat_update(void) +/*=====================*/ +{ + buf_LRU_stat_t* item; + + /* If we haven't started eviction yet then don't update stats. */ + if (buf_pool->freed_page_clock == 0) { + goto func_exit; + } + + buf_pool_mutex_enter(); + + /* Update the index. */ + item = &buf_LRU_stat_arr[buf_LRU_stat_arr_ind]; + buf_LRU_stat_arr_ind++; + buf_LRU_stat_arr_ind %= BUF_LRU_STAT_N_INTERVAL; + + /* Add the current value and subtract the obsolete entry. */ + buf_LRU_stat_sum.io += buf_LRU_stat_cur.io - item->io; + buf_LRU_stat_sum.unzip += buf_LRU_stat_cur.unzip - item->unzip; + + /* Put current entry in the array. */ + memcpy(item, &buf_LRU_stat_cur, sizeof *item); + + buf_pool_mutex_exit(); + +func_exit: + /* Clear the current entry. */ + memset(&buf_LRU_stat_cur, 0, sizeof buf_LRU_stat_cur); +} + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** Validates the LRU list. */ @@ -1419,6 +1656,7 @@ buf_LRU_validate(void) /*==================*/ { buf_page_t* bpage; + buf_block_t* block; ulint old_len; ulint new_len; ulint LRU_pos; @@ -1443,7 +1681,21 @@ buf_LRU_validate(void) while (bpage != NULL) { - ut_a(buf_page_in_file(bpage)); + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + case BUF_BLOCK_FILE_PAGE: + ut_ad(((buf_block_t*) bpage)->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(bpage)); + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + break; + } if (buf_page_is_old(bpage)) { old_len++; @@ -1478,6 +1730,17 @@ buf_LRU_validate(void) ut_a(buf_page_get_state(bpage) == BUF_BLOCK_NOT_USED); } + UT_LIST_VALIDATE(unzip_LRU, buf_block_t, buf_pool->unzip_LRU); + + for (block = UT_LIST_GET_FIRST(buf_pool->unzip_LRU); + block; + block = UT_LIST_GET_NEXT(unzip_LRU, block)) { + + ut_ad(block->in_unzip_LRU_list); + ut_ad(block->page.in_LRU_list); + ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); + } + buf_pool_mutex_exit(); return(TRUE); } diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 3a48fc47119..c0b03505536 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -353,6 +353,9 @@ buf_read_page( /* Flush pages from the end of the LRU list if necessary */ buf_flush_free_margin(); + /* Increment number of I/O operations used for LRU policy. */ + buf_LRU_stat_inc_io(); + return(count + count2); } @@ -613,6 +616,10 @@ buf_read_ahead_linear( } #endif /* UNIV_DEBUG */ + /* Read ahead is considered one I/O operation for the purpose of + LRU policy decision. */ + buf_LRU_stat_inc_io(); + ++srv_read_ahead_seq; return(count); } diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 50d8fc2ad8c..4549cb963c1 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -50,19 +50,6 @@ buf_buddy_free( ulint size) /* in: block size, up to UNIV_PAGE_SIZE */ __attribute__((nonnull)); -/** Number of frames allocated from the buffer pool to the buddy system. -Protected by buf_pool_mutex. */ -extern ulint buf_buddy_n_frames; -/** Preferred minimum number of frames allocated from the buffer pool -to the buddy system. Unless this number is exceeded or the buffer -pool is scarce, the LRU algorithm will not free compressed-only pages -in order to satisfy an allocation request. Protected by buf_pool_mutex. */ -extern ulint buf_buddy_min_n_frames; -/** Preferred maximum number of frames allocated from the buffer pool -to the buddy system. Unless this number is exceeded, the buddy allocator -will not try to free clean compressed-only pages before falling back -to the LRU algorithm. Protected by buf_pool_mutex. */ -extern ulint buf_buddy_max_n_frames; /** Counts of blocks allocated from the buddy system. Protected by buf_pool_mutex. */ extern ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; diff --git a/include/buf0buf.h b/include/buf0buf.h index ddbcaa2111f..3aa286f5ffb 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -652,6 +652,16 @@ buf_page_in_file( const buf_page_t* bpage) /* in: pointer to control block */ __attribute__((pure)); /************************************************************************* +Determines if a block should be on unzip_LRU list. */ +UNIV_INLINE +ibool +buf_page_belongs_to_unzip_LRU( +/*==========================*/ + /* out: TRUE if block belongs + to unzip_LRU */ + const buf_page_t* bpage) /* in: pointer to control block */ + __attribute__((pure)); +/************************************************************************* Determine the approximate LRU list position of a block. */ UNIV_INLINE ulint @@ -1064,7 +1074,7 @@ struct buf_page_struct{ UT_LIST_NODE_T(buf_page_t) LRU; /* node of the LRU list */ #ifdef UNIV_DEBUG - ibool in_LRU_list; /* TRUE of the page is in the LRU list; + ibool in_LRU_list; /* TRUE if the page is in the LRU list; used in debugging */ #endif /* UNIV_DEBUG */ unsigned old:1; /* TRUE if the block is in the old @@ -1101,6 +1111,16 @@ struct buf_block_struct{ be the first field, so that buf_pool->page_hash can point to buf_page_t or buf_block_t */ + UT_LIST_NODE_T(buf_block_t) unzip_LRU; + /* node of the decompressed LRU list; + a block is in the unzip_LRU list + if page.state == BUF_BLOCK_FILE_PAGE + and page.zip.data != NULL */ +#ifdef UNIV_DEBUG + ibool in_unzip_LRU_list;/* TRUE if the page is in the + decompressed LRU list; + used in debugging */ +#endif /* UNIV_DEBUG */ byte* frame; /* pointer to buffer frame which is of size UNIV_PAGE_SIZE, and aligned to an address divisible by @@ -1295,6 +1315,9 @@ struct buf_pool_struct{ on this value; not defined if LRU_old == NULL */ + UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU; + /* base node of the unzip_LRU list */ + /* 4. Fields for the buddy allocator of compressed pages */ UT_LIST_BASE_NODE_T(buf_page_t) zip_clean; /* unmodified compressed pages */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 4dc524acd18..95f39971809 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -235,6 +235,22 @@ buf_page_in_file( return(FALSE); } +/************************************************************************* +Determines if a block should be on unzip_LRU list. */ +UNIV_INLINE +ibool +buf_page_belongs_to_unzip_LRU( +/*==========================*/ + /* out: TRUE if block belongs + to unzip_LRU */ + const buf_page_t* bpage) /* in: pointer to control block */ +{ + ut_ad(buf_page_in_file(bpage)); + + return(bpage->zip.data + && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); +} + /************************************************************************* Determine the approximate LRU list position of a block. */ UNIV_INLINE diff --git a/include/buf0lru.h b/include/buf0lru.h index c7684e805cc..d61e33d3413 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -13,6 +13,18 @@ Created 11/5/1995 Heikki Tuuri #include "ut0byte.h" #include "buf0types.h" +/** The return type of buf_LRU_free_block() */ +enum buf_lru_free_block_status { + /** freed */ + BUF_LRU_FREED = 0, + /** not freed because the caller asked to remove the + uncompressed frame but the control block cannot be + relocated */ + BUF_LRU_CANNOT_RELOCATE, + /** not freed because of some other reason */ + BUF_LRU_NOT_FREED +}; + /********************************************************************** Tries to remove LRU flushed blocks from the end of the LRU list and put them to the free list. This is beneficial for the efficiency of the insert buffer @@ -72,19 +84,20 @@ void buf_LRU_insert_zip_clean( /*=====================*/ buf_page_t* bpage); /* in: pointer to the block in question */ + /********************************************************************** -Try to free a block. */ +Try to free a block. If bpage is a descriptor of a compressed-only +page, the descriptor object will be freed as well. If this function +returns BUF_LRU_FREED, it will not temporarily release +buf_pool_mutex. */ UNIV_INTERN -ibool +enum buf_lru_free_block_status buf_LRU_free_block( /*===============*/ - /* out: TRUE if freed. If bpage is a - descriptor of a compressed-only page, - the descriptor object will be freed - as well. If this function returns FALSE, - it will not temporarily release - buf_pool_mutex. */ - buf_page_t* block, /* in: block to be freed */ + /* out: BUF_LRU_FREED if freed, + BUF_LRU_CANNOT_RELOCATE or + BUF_LRU_NOT_FREED otherwise. */ + buf_page_t* bpage, /* in: block to be freed */ ibool zip, /* in: TRUE if should remove also the compressed page of an uncompressed page */ ibool* buf_pool_mutex_released); @@ -92,19 +105,20 @@ buf_LRU_free_block( be assigned TRUE if buf_pool_mutex was temporarily released, or NULL */ /********************************************************************** -Look for a replaceable block from the end of the LRU list and put it to -the free list if found. */ +Try to free a replaceable block. */ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - /* out: TRUE if freed */ - ulint n_iterations); /* in: how many times this has been called + /* out: TRUE if found and freed */ + ulint n_iterations); /* in: how many times this has been called repeatedly without result: a high value means - that we should search farther; if value is - k < 10, then we only search k/10 * number - of pages in the buffer pool from the end - of the LRU list */ + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list; if + n_iterations < 5, then we will also search + n_iterations / 5 of the unzip_LRU list. */ /********************************************************************** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, returns NULL. */ @@ -146,6 +160,15 @@ buf_LRU_add_block( start; if the LRU list is very short, added to the start regardless of this parameter */ /********************************************************************** +Adds a block to the LRU list of decompressed zip pages. */ +UNIV_INTERN +void +buf_unzip_LRU_add_block( +/*====================*/ + buf_block_t* block, /* in: control block */ + ibool old); /* in: TRUE if should be put to the end + of the list, else put to the start */ +/********************************************************************** Moves a block to the start of the LRU list. */ UNIV_INTERN void @@ -159,6 +182,14 @@ void buf_LRU_make_block_old( /*===================*/ buf_page_t* bpage); /* in: control block */ +/************************************************************************ +Update the historical stats that we are collecting for LRU eviction +policy at the end of each interval. */ +UNIV_INTERN +void +buf_LRU_stat_update(void); +/*=====================*/ + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** Validates the LRU list. */ @@ -176,6 +207,35 @@ buf_LRU_print(void); /*===============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ +/********************************************************************** +These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O +and page_zip_decompress() operations. Based on the statistics we decide +if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */ + +/** Statistics for selecting the LRU list for eviction. */ +struct buf_LRU_stat_struct +{ + ulint io; /**< Counter of buffer pool I/O operations. */ + ulint unzip; /**< Counter of page_zip_decompress operations. */ +}; + +typedef struct buf_LRU_stat_struct buf_LRU_stat_t; + +/** Current operation counters. Not protected by any mutex. +Cleared by buf_LRU_stat_update(). */ +extern buf_LRU_stat_t buf_LRU_stat_cur; + +/** Running sum of past values of buf_LRU_stat_cur. +Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +extern buf_LRU_stat_t buf_LRU_stat_sum; + +/************************************************************************ +Increments the I/O counter in buf_LRU_stat_cur. */ +#define buf_LRU_stat_inc_io() buf_LRU_stat_cur.io++ +/************************************************************************ +Increments the page_zip_decompress() counter in buf_LRU_stat_cur. */ +#define buf_LRU_stat_inc_unzip() buf_LRU_stat_cur.unzip++ + #ifndef UNIV_NONINL #include "buf0lru.ic" #endif diff --git a/page/page0zip.c b/page/page0zip.c index 2c0004e11c9..ecea046bca4 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -23,6 +23,7 @@ Created June 2005 by Marko Makela #include "lock0lock.h" #include "log0recv.h" #include "zlib.h" +#include "buf0lru.h" /** Number of page compressions, indexed by page_zip_des_t::ssize */ UNIV_INTERN ulint page_zip_compress_count[8]; @@ -2945,6 +2946,9 @@ err_exit: page_zip_decompress_duration[page_zip->ssize] += ut_time_us(NULL) - usec; + /* Update the stat counter for LRU policy. */ + buf_LRU_stat_inc_unzip(); + return(TRUE); } diff --git a/srv/srv0srv.c b/srv/srv0srv.c index baadb4b4252..6204a60e4ca 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -43,6 +43,7 @@ Created 10/8/1995 Heikki Tuuri #include "trx0purge.h" #include "ibuf0ibuf.h" #include "buf0flu.h" +#include "buf0lru.h" #include "btr0sea.h" #include "dict0load.h" #include "dict0boot.h" @@ -2056,6 +2057,10 @@ loop: srv_refresh_innodb_monitor_stats(); } + /* Update the statistics collected for deciding LRU + eviction policy. */ + buf_LRU_stat_update(); + /* In case mutex_exit is not a memory barrier, it is theoretically possible some threads are left waiting though the semaphore is already released. Wake up those threads: */ From a48c8a2878b649f6cd71dda15cd86d679985a21b Mon Sep 17 00:00:00 2001 From: inaam <> Date: Wed, 14 May 2008 15:43:19 +0000 Subject: [PATCH 009/400] branches/innodb+: Merge revisions 2344:2454 from branches/zip --- CMakeLists.txt | 1 + ChangeLog | 70 ++ Makefile.am | 41 +- btr/btr0btr.c | 50 +- btr/btr0cur.c | 14 +- buf/buf0buddy.c | 26 +- buf/buf0buf.c | 4 +- buf/buf0flu.c | 18 +- buf/buf0rea.c | 49 +- data/data0data.c | 71 +- dict/dict0boot.c | 3 + dict/dict0crea.c | 22 +- dict/dict0dict.c | 21 +- dict/dict0load.c | 110 ++- dict/dict0mem.c | 1 + fil/fil0fil.c | 236 +++--- fsp/fsp0fsp.c | 219 ++++-- ha/hash0hash.c | 3 +- handler/ha_innodb.cc | 1148 ++++++++++++++++++++++++---- handler/ha_innodb.h | 3 +- handler/handler0alter.cc | 9 +- handler/i_s.cc | 473 +++++++++--- handler/i_s.h | 6 +- ibuf/ibuf0ibuf.c | 14 +- include/btr0btr.h | 12 +- include/btr0cur.h | 2 +- include/buf0buddy.h | 22 +- include/buf0buf.h | 2 +- include/buf0buf.ic | 2 +- include/buf0rea.h | 2 +- include/db0err.h | 2 - include/dict0dict.h | 32 +- include/dict0dict.ic | 54 +- include/dict0mem.h | 40 +- include/fil0fil.h | 19 +- include/fsp0fsp.h | 45 +- include/hash0hash.ic | 1 + include/log0log.h | 4 +- include/mach0data.ic | 4 +- include/mtr0mtr.h | 4 +- include/os0file.h | 8 +- include/os0sync.h | 6 +- include/page0types.h | 41 +- include/page0zip.h | 2 +- include/page0zip.ic | 3 +- include/row0sel.h | 2 +- include/row0upd.h | 32 +- include/row0upd.ic | 23 + include/row0vers.h | 12 +- include/srv0srv.h | 18 +- include/srv0start.h | 1 + include/sync0sync.h | 2 + include/trx0i_s.h | 2 +- include/trx0roll.h | 6 +- include/trx0sys.h | 69 +- include/trx0trx.h | 2 +- include/trx0undo.h | 1 + include/univ.i | 27 +- include/ut0byte.h | 28 +- include/ut0byte.ic | 46 +- include/ut0sort.h | 2 +- include/ut0ut.h | 34 +- include/ut0ut.ic | 41 - innodb.patch | 52 -- lock/lock0lock.c | 1 + log/log0log.c | 38 +- log/log0recv.c | 17 +- mysql-test/have_innodb.inc | 2 +- mysql-test/innodb-autoinc.result | 89 +++ mysql-test/innodb-autoinc.test | 107 +++ mysql-test/innodb-zip-master.opt | 1 - mysql-test/innodb-zip.result | 393 +++++++++- mysql-test/innodb-zip.test | 279 ++++++- mysql-test/innodb.result | 54 ++ mysql-test/innodb.test | 90 +++ mysql-test/innodb_bug34053.test | 1 + mysql-test/innodb_bug34300.result | 4 + mysql-test/innodb_bug34300.test | 30 + mysql-test/innodb_bug35220.result | 1 + mysql-test/innodb_bug35220.test | 16 + mysql-test/innodb_bug36169.result | 2 + mysql-test/innodb_bug36169.test | 1148 ++++++++++++++++++++++++++++ mysql-test/innodb_bug36172.result | 1 + mysql-test/innodb_bug36172.test | 26 + os/os0file.c | 91 ++- os/os0proc.c | 10 +- os/os0sync.c | 8 +- page/page0zip.c | 64 +- plug.in | 26 +- row/row0merge.c | 13 +- row/row0mysql.c | 27 +- row/row0sel.c | 87 ++- row/row0upd.c | 296 +++---- row/row0vers.c | 18 +- scripts/build-plugin.sh | 149 ---- scripts/dynconfig | 195 ----- scripts/install_innodb_plugins.sql | 9 + srv/srv0srv.c | 25 +- srv/srv0start.c | 49 +- sync/sync0arr.c | 4 +- sync/sync0sync.c | 21 +- trx/trx0i_s.c | 7 +- trx/trx0rec.c | 7 +- trx/trx0roll.c | 8 +- trx/trx0rseg.c | 4 +- trx/trx0sys.c | 308 +++++++- trx/trx0trx.c | 6 +- trx/trx0undo.c | 26 +- ut/ut0ut.c | 10 +- 109 files changed, 5422 insertions(+), 1665 deletions(-) create mode 100644 ChangeLog delete mode 100644 innodb.patch create mode 100644 mysql-test/innodb-autoinc.result create mode 100644 mysql-test/innodb-autoinc.test delete mode 100644 mysql-test/innodb-zip-master.opt create mode 100644 mysql-test/innodb_bug34300.result create mode 100644 mysql-test/innodb_bug34300.test create mode 100644 mysql-test/innodb_bug35220.result create mode 100644 mysql-test/innodb_bug35220.test create mode 100644 mysql-test/innodb_bug36169.result create mode 100644 mysql-test/innodb_bug36169.test create mode 100644 mysql-test/innodb_bug36172.result create mode 100644 mysql-test/innodb_bug36172.test delete mode 100755 scripts/build-plugin.sh delete mode 100755 scripts/dynconfig create mode 100644 scripts/install_innodb_plugins.sql diff --git a/CMakeLists.txt b/CMakeLists.txt index de1e19d12ea..c9ca4344e5d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -60,4 +60,5 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c IF(NOT SOURCE_SUBLIBS) ADD_LIBRARY(innobase ${INNOBASE_SOURCES}) + ADD_DEPENDENCIES(innobase GenError) ENDIF(NOT SOURCE_SUBLIBS) diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 00000000000..809c58d5692 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,70 @@ +2008-05-06 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, include/sync0sync.h, + include/trx0sys.h, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, srv/srv0srv.c, srv/srv0start.c, + sync/sync0sync.c, trx/trx0sys.c: + Implement the system tablespace tagging + + * handler/ha_innodb.cc, handler/i_s.cc, include/univ.i, + srv/srv0start.c: + Add InnoDB version in INFORMATION_SCHEMA.PLUGINS.PLUGIN_VERSION, + in the startup message and in a server variable innodb_version. + + * sync/sync0sync.c: + Fix a bug in the sync debug code where a lock with level + SYNC_LEVEL_VARYING would cause an assertion failure when a thread + tried to release it. + +2008-04-30 The InnoDB Team + + * Makefile.am: + Fix Bug#36434 ha_innodb.so is installed in the wrong directory + + * handler/ha_innodb.cc: + Merge change from MySQL (Fix Bug#35406 5.1-opt crashes on select from + I_S.REFERENTIAL_CONSTRAINTS): + ChangeSet@1.2563, 2008-03-18 19:42:04+04:00, gluh@mysql.com +1 -0 + + * scripts/install_innodb_plugins.sql: + Added + + * mysql-test/innodb.result: + Merge change from MySQL (this fixes the failing innodb test): + ChangeSet@1.1810.3601.4, 2008-02-07 02:33:21+04:00 + + * row/row0sel.c: + Fix Bug#35226 RBR event crashes slave + + * handler/ha_innodb.cc: + Change the fix for Bug#32440 to show bytes instead of kilobytes in + INFORMATION_SCHEMA.TABLES.DATA_FREE + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test: + Fix Bug#29507 TRUNCATE shows to many rows effected + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test: + Fix Bug#35537 Innodb doesn't increment handler_update and + handler_delete + +2008-04-29 The InnoDB Team + + * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: + Fix Bug#36310 InnoDB plugin crash + +2008-04-23 The InnoDB Team + + * mysql-test/innodb_bug36169.result, mysql-test/innodb_bug36169.test, + row/row0mysql.c: + Fix Bug#36169 create innodb compressed table with too large row size + crashed + + * (outside the source tree): + Fix Bug#36222 New InnoDB plugin 1.0 has wrong MKDIR_P defined in + Makefile.in + +2008-04-15 The InnoDB Team + + InnoDB Plugin 1.0.0 released diff --git a/Makefile.am b/Makefile.am index e125aa65de2..817ae212456 100644 --- a/Makefile.am +++ b/Makefile.am @@ -15,20 +15,21 @@ # Process this file with automake to create Makefile.in -MYSQLDATAdir = $(localstatedir) -MYSQLSHAREdir = $(pkgdatadir) -MYSQLBASEdir= $(prefix) -MYSQLLIBdir= $(pkglibdir) -INCLUDES = -I$(top_srcdir)/include -I$(top_builddir)/include \ +MYSQLDATAdir= $(localstatedir) +MYSQLSHAREdir= $(pkgdatadir) +MYSQLBASEdir= $(prefix) +MYSQLLIBdir= $(pkglibdir) +pkgplugindir= $(pkglibdir)/plugin +INCLUDES= -I$(top_srcdir)/include -I$(top_builddir)/include \ -I$(top_srcdir)/regex \ -I$(top_srcdir)/storage/innobase/include \ -I$(top_srcdir)/sql \ - -I$(srcdir) + -I$(srcdir) -DEFS = @DEFS@ +DEFS= @DEFS@ -noinst_HEADERS = include/btr0btr.h include/btr0btr.ic \ +noinst_HEADERS= include/btr0btr.h include/btr0btr.ic \ include/btr0cur.h include/btr0cur.ic \ include/btr0pcur.h include/btr0pcur.ic \ include/btr0sea.h include/btr0sea.ic \ @@ -132,9 +133,9 @@ noinst_HEADERS = include/btr0btr.h include/btr0btr.ic \ include/handler0alter.h \ handler/i_s.h include/ut0rbt.h -EXTRA_LIBRARIES = libinnobase.a -noinst_LIBRARIES = @plugin_innobase_static_target@ -libinnobase_a_SOURCES = btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c \ +EXTRA_LIBRARIES= libinnobase.a +noinst_LIBRARIES= @plugin_innobase_static_target@ +libinnobase_a_SOURCES= btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c \ btr/btr0sea.c buf/buf0buddy.c \ buf/buf0buf.c buf/buf0flu.c \ buf/buf0lru.c buf/buf0rea.c data/data0data.c \ @@ -175,18 +176,18 @@ libinnobase_a_SOURCES = btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c \ handler/i_s.cc \ handler/mysql_addons.cc ut/ut0rbt.c -libinnobase_a_CXXFLAGS= $(AM_CFLAGS) $(INNODB_CFLAGS) -libinnobase_a_CFLAGS = $(AM_CFLAGS) $(INNODB_CFLAGS) +libinnobase_a_CXXFLAGS= $(AM_CFLAGS) +libinnobase_a_CFLAGS= $(AM_CFLAGS) -EXTRA_LTLIBRARIES = ha_innodb.la -pkglib_LTLIBRARIES = @plugin_innobase_shared_target@ +EXTRA_LTLIBRARIES= ha_innodb.la +pkgplugin_LTLIBRARIES= @plugin_innobase_shared_target@ -ha_innodb_la_LDFLAGS = -module -rpath $(MYSQLLIBdir) -ha_innodb_la_CXXFLAGS= $(AM_CFLAGS) $(INNODB_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) -ha_innodb_la_CFLAGS = $(AM_CFLAGS) $(INNODB_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) -ha_innodb_la_SOURCES = $(libinnobase_a_SOURCES) +ha_innodb_la_LDFLAGS= -module -rpath $(pkgplugindir) +ha_innodb_la_CXXFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) +ha_innodb_la_CFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) +ha_innodb_la_SOURCES= $(libinnobase_a_SOURCES) -EXTRA_DIST = CMakeLists.txt plug.in \ +EXTRA_DIST= CMakeLists.txt plug.in \ pars/make_bison.sh pars/make_flex.sh \ pars/pars0grm.y pars/pars0lex.l diff --git a/btr/btr0btr.c b/btr/btr0btr.c index f90f43e4245..c0a4007c94d 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1807,7 +1807,35 @@ func_start: } else { direction = FSP_UP; hint_page_no = page_no + 1; - split_rec = page_get_middle_rec(page); + + if (page_get_n_recs(page) == 1) { + page_cur_t pcur; + + /* There is only one record in the index page + therefore we can't split the node in the middle + by default. We need to determine whether the + new record will be inserted to the left or right. */ + + /* Read the first (and only) record in the page. */ + page_cur_set_before_first(block, &pcur); + page_cur_move_to_next(&pcur); + first_rec = page_cur_get_rec(&pcur); + + offsets = rec_get_offsets( + first_rec, cursor->index, offsets, + n_uniq, &heap); + + /* If the new record is less than the existing record + the the split in the middle will copy the existing + record to the new node. */ + if (cmp_dtuple_rec(tuple, first_rec, offsets) < 0) { + split_rec = page_get_middle_rec(page); + } else { + split_rec = NULL; + } + } else { + split_rec = page_get_middle_rec(page); + } } /* 2. Allocate a new page to the index */ @@ -2945,9 +2973,9 @@ static void btr_index_rec_validate_report( /*==========================*/ - const page_t* page, /* in: index page */ - const rec_t* rec, /* in: index record */ - dict_index_t* index) /* in: index */ + const page_t* page, /* in: index page */ + const rec_t* rec, /* in: index record */ + const dict_index_t* index) /* in: index */ { fputs("InnoDB: Record in ", stderr); dict_index_name_print(stderr, NULL, index); @@ -2962,17 +2990,17 @@ UNIV_INTERN ibool btr_index_rec_validate( /*===================*/ - /* out: TRUE if ok */ - rec_t* rec, /* in: index record */ - dict_index_t* index, /* in: index */ - ibool dump_on_error) /* in: TRUE if the function - should print hex dump of record - and page on error */ + /* out: TRUE if ok */ + const rec_t* rec, /* in: index record */ + const dict_index_t* index, /* in: index */ + ibool dump_on_error) /* in: TRUE if the function + should print hex dump of record + and page on error */ { ulint len; ulint n; ulint i; - page_t* page; + const page_t* page; mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets = offsets_; diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 9f8946ad4dd..165284c7c47 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -1984,7 +1984,7 @@ any_extern: corresponding to new_entry is latched in mtr. Thus the following call is safe. */ row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, - FALSE, NULL, heap); + FALSE, heap); old_rec_size = rec_offs_size(offsets); new_rec_size = rec_get_converted_size(index, new_entry, 0); @@ -2261,7 +2261,7 @@ btr_cur_pessimistic_update( purge would also have removed the clustered index record itself. Thus the following call is safe. */ row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, - FALSE, *heap, *heap); + FALSE, *heap); if (!(flags & BTR_KEEP_SYS_FLAG)) { row_upd_index_entry_sys_field(new_entry, index, DATA_ROLL_PTR, roll_ptr); @@ -3132,7 +3132,7 @@ btr_cur_add_path_info( /*********************************************************************** Estimates the number of rows in a given index range. */ UNIV_INTERN -ib_longlong +ib_int64_t btr_estimate_n_rows_in_range( /*=========================*/ /* out: estimated number of rows */ @@ -3150,7 +3150,7 @@ btr_estimate_n_rows_in_range( ibool diverged; ibool diverged_lot; ulint divergence_level; - ib_longlong n_rows; + ib_int64_t n_rows; ulint i; mtr_t mtr; @@ -3293,7 +3293,7 @@ btr_estimate_number_of_different_key_vals( ulint n_cols; ulint matched_fields; ulint matched_bytes; - ib_longlong* n_diff; + ib_int64_t* n_diff; ulint not_empty_flag = 0; ulint total_external_size = 0; ulint i; @@ -3310,7 +3310,7 @@ btr_estimate_number_of_different_key_vals( n_cols = dict_index_get_n_unique(index); - n_diff = mem_zalloc((n_cols + 1) * sizeof(ib_longlong)); + n_diff = mem_zalloc((n_cols + 1) * sizeof(ib_int64_t)); /* We sample some pages in the index to get an estimate */ @@ -3413,7 +3413,7 @@ btr_estimate_number_of_different_key_vals( for (j = 0; j <= n_cols; j++) { index->stat_n_diff_key_vals[j] = ((n_diff[j] - * (ib_longlong)index->stat_n_leaf_pages + * (ib_int64_t)index->stat_n_leaf_pages + srv_stats_sample - 1 + total_external_size + not_empty_flag) diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 66a394e4ec0..7cfbb7da108 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -24,15 +24,9 @@ Created December 2006 by Marko Makela Protected by buf_pool_mutex. */ static ulint buf_buddy_n_frames; #endif /* UNIV_DEBUG */ -/** Counts of blocks allocated from the buddy system. +/** Statistics of the buddy system, indexed by block size. Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; -/** Counts of blocks relocated by the buddy system. -Protected by buf_pool_mutex. */ -UNIV_INTERN ib_uint64_t buf_buddy_relocated[BUF_BUDDY_SIZES + 1]; -/** Durations of block relocations. -Protected by buf_pool_mutex. */ -UNIV_INTERN ullint buf_buddy_relocated_duration[BUF_BUDDY_SIZES + 1]; +UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; /************************************************************************** Get the offset of the buddy of a compressed page frame. */ @@ -320,7 +314,7 @@ alloc_big: block = buf_buddy_alloc_from(block->frame, i, BUF_BUDDY_SIZES); func_exit: - buf_buddy_used[i]++; + buf_buddy_stat[i].used++; return(block); } @@ -463,9 +457,13 @@ buf_buddy_relocate( mutex_exit(mutex); success: UNIV_MEM_INVALID(src, size); - buf_buddy_relocated[i]++; - buf_buddy_relocated_duration[i] - += ut_time_us(NULL) - usec; + { + buf_buddy_stat_t* buddy_stat + = &buf_buddy_stat[i]; + buddy_stat->relocated++; + buddy_stat->relocated_usec + += ut_time_us(NULL) - usec; + } return(TRUE); } @@ -498,9 +496,9 @@ buf_buddy_free_low( ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); ut_ad(i <= BUF_BUDDY_SIZES); - ut_ad(buf_buddy_used[i] > 0); + ut_ad(buf_buddy_stat[i].used > 0); - buf_buddy_used[i]--; + buf_buddy_stat[i].used--; recombine: UNIV_MEM_ASSERT_AND_ALLOC(buf, BUF_BUDDY_LOW << i); ut_d(((buf_page_t*) buf)->state = BUF_BLOCK_ZIP_FREE); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 9efd321f28f..6694453500a 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2646,7 +2646,7 @@ buf_page_init_for_read( ulint space, /* in: space id */ ulint zip_size,/* in: compressed page size, or 0 */ ibool unzip, /* in: TRUE=request uncompressed page */ - ib_longlong tablespace_version,/* in: prevents reading from a wrong + ib_int64_t tablespace_version,/* in: prevents reading from a wrong version of the tablespace in case we have done DISCARD + IMPORT */ ulint offset) /* in: page number */ @@ -3608,7 +3608,7 @@ buf_get_latched_pages_number(void) for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; b = UT_LIST_GET_NEXT(list, b)) { ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); - ut_a(buf_page_get_io_fix(b) == BUF_IO_NONE); + ut_a(buf_page_get_io_fix(b) != BUF_IO_WRITE); if (b->buf_fix_count != 0 || buf_page_get_io_fix(b) != BUF_IO_NONE) { diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 126c5c29bc6..9403a9918c6 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -27,12 +27,6 @@ Created 11/11/1995 Heikki Tuuri #include "trx0sys.h" #include "srv0srv.h" -/* When flushed, dirty blocks are searched in neighborhoods of this size, and -flushed along with the original page. */ - -#define BUF_FLUSH_AREA ut_min(BUF_READ_AHEAD_AREA,\ - buf_pool->curr_size / 16) - #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************** Validates the flush list. */ @@ -915,15 +909,21 @@ buf_flush_try_neighbors( ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); - low = (offset / BUF_FLUSH_AREA) * BUF_FLUSH_AREA; - high = (offset / BUF_FLUSH_AREA + 1) * BUF_FLUSH_AREA; - if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { /* If there is little space, it is better not to flush any block except from the end of the LRU list */ low = offset; high = offset + 1; + } else { + /* When flushed, dirty blocks are searched in neighborhoods of + this size, and flushed along with the original page. */ + + ulint buf_flush_area = ut_min(BUF_READ_AHEAD_AREA, + buf_pool->curr_size / 16); + + low = (offset / buf_flush_area) * buf_flush_area; + high = (offset / buf_flush_area + 1) * buf_flush_area; } /* fprintf(stderr, "Flush area: low %lu high %lu\n", low, high); */ diff --git a/buf/buf0rea.c b/buf/buf0rea.c index c0b03505536..e2491570fb4 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -30,13 +30,13 @@ the accessed pages when deciding whether to read-ahead */ /* There must be at least this many pages in buf_pool in the area to start a random read-ahead */ -#define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + BUF_READ_AHEAD_RANDOM_AREA / 8) +#define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + buf_read_ahead_random_area / 8) /* The linear read-ahead area size */ #define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA /* The linear read-ahead threshold */ -#define BUF_READ_AHEAD_LINEAR_THRESHOLD (3 * BUF_READ_AHEAD_LINEAR_AREA / 8) +#define LINEAR_AREA_THRESHOLD_COEF 5 / 8 /* If there are buf_pool->curr_size per the number below pending reads, then read-ahead is not done: this is to prevent flooding the buffer pool with @@ -67,7 +67,7 @@ buf_read_page_low( ulint space, /* in: space id */ ulint zip_size,/* in: compressed page size, or 0 */ ibool unzip, /* in: TRUE=request uncompressed page */ - ib_longlong tablespace_version, /* in: if the space memory object has + ib_int64_t tablespace_version, /* in: if the space memory object has this timestamp different from what we are giving here, treat the tablespace as dropped; this is a timestamp we use to stop dangling page reads from a tablespace @@ -177,7 +177,7 @@ buf_read_ahead_random( ulint offset) /* in: page number of a page which the current thread wants to access */ { - ib_longlong tablespace_version; + ib_int64_t tablespace_version; ulint recent_blocks = 0; ulint count; ulint LRU_recent_limit; @@ -185,6 +185,7 @@ buf_read_ahead_random( ulint low, high; ulint err; ulint i; + ulint buf_read_ahead_random_area; if (srv_startup_is_before_trx_rollback_phase) { /* No read-ahead to avoid thread deadlocks */ @@ -207,10 +208,12 @@ buf_read_ahead_random( tablespace_version = fil_space_get_version(space); - low = (offset / BUF_READ_AHEAD_RANDOM_AREA) - * BUF_READ_AHEAD_RANDOM_AREA; - high = (offset / BUF_READ_AHEAD_RANDOM_AREA + 1) - * BUF_READ_AHEAD_RANDOM_AREA; + buf_read_ahead_random_area = BUF_READ_AHEAD_RANDOM_AREA; + + low = (offset / buf_read_ahead_random_area) + * buf_read_ahead_random_area; + high = (offset / buf_read_ahead_random_area + 1) + * buf_read_ahead_random_area; if (high > fil_space_get_size(space)) { high = fil_space_get_size(space); @@ -324,7 +327,7 @@ buf_read_page( ulint zip_size,/* in: compressed page size in bytes, or 0 */ ulint offset) /* in: page number */ { - ib_longlong tablespace_version; + ib_int64_t tablespace_version; ulint count; ulint count2; ulint err; @@ -392,7 +395,7 @@ buf_read_ahead_linear( ulint offset) /* in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ { - ib_longlong tablespace_version; + ib_int64_t tablespace_version; buf_page_t* bpage; buf_frame_t* frame; buf_page_t* pred_bpage = NULL; @@ -406,16 +409,18 @@ buf_read_ahead_linear( ulint low, high; ulint err; ulint i; + const ulint buf_read_ahead_linear_area + = BUF_READ_AHEAD_LINEAR_AREA; if (UNIV_UNLIKELY(srv_startup_is_before_trx_rollback_phase)) { /* No read-ahead to avoid thread deadlocks */ return(0); } - low = (offset / BUF_READ_AHEAD_LINEAR_AREA) - * BUF_READ_AHEAD_LINEAR_AREA; - high = (offset / BUF_READ_AHEAD_LINEAR_AREA + 1) - * BUF_READ_AHEAD_LINEAR_AREA; + low = (offset / buf_read_ahead_linear_area) + * buf_read_ahead_linear_area; + high = (offset / buf_read_ahead_linear_area + 1) + * buf_read_ahead_linear_area; if ((offset != low) && (offset != high - 1)) { /* This is not a border page of the area: return */ @@ -486,8 +491,8 @@ buf_read_ahead_linear( } } - if (fail_count > BUF_READ_AHEAD_LINEAR_AREA - - BUF_READ_AHEAD_LINEAR_THRESHOLD) { + if (fail_count > buf_read_ahead_linear_area + * LINEAR_AREA_THRESHOLD_COEF) { /* Too many failures: return */ buf_pool_mutex_exit(); @@ -544,10 +549,10 @@ buf_read_ahead_linear( return(0); } - low = (new_offset / BUF_READ_AHEAD_LINEAR_AREA) - * BUF_READ_AHEAD_LINEAR_AREA; - high = (new_offset / BUF_READ_AHEAD_LINEAR_AREA + 1) - * BUF_READ_AHEAD_LINEAR_AREA; + low = (new_offset / buf_read_ahead_linear_area) + * buf_read_ahead_linear_area; + high = (new_offset / buf_read_ahead_linear_area + 1) + * buf_read_ahead_linear_area; if ((new_offset != low) && (new_offset != high - 1)) { /* This is not a border page of the area: return */ @@ -638,7 +643,7 @@ buf_read_ibuf_merge_pages( to get read in, before this function returns */ const ulint* space_ids, /* in: array of space ids */ - const ib_longlong* space_versions,/* in: the spaces must have + const ib_int64_t* space_versions,/* in: the spaces must have this version number (timestamp), otherwise we discard the read; we use this @@ -723,7 +728,7 @@ buf_read_recv_pages( ulint n_stored) /* in: number of page numbers in the array */ { - ib_longlong tablespace_version; + ib_int64_t tablespace_version; ulint count; ulint err; ulint i; diff --git a/data/data0data.c b/data/data0data.c index fec2f9378c4..b90b792d122 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -561,11 +561,21 @@ dtuple_convert_big_rec( dict_field_t* ifield; ulint size; ulint n_fields; + ulint local_len; + ulint local_prefix_len; if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { return(NULL); } + if (dict_table_get_format(index->table) < DICT_TF_FORMAT_ZIP) { + /* up to MySQL 5.1: store a 768-byte prefix locally */ + local_len = BTR_EXTERN_FIELD_REF_SIZE + DICT_MAX_INDEX_COL_LEN; + } else { + /* new-format table: do not store any BLOB prefix locally */ + local_len = BTR_EXTERN_FIELD_REF_SIZE; + } + ut_a(dtuple_check_typed_no_assert(entry)); size = rec_get_converted_size(index, entry, *n_ext); @@ -598,9 +608,11 @@ dtuple_convert_big_rec( *n_ext), dict_table_is_comp(index->table), dict_table_zip_size(index->table))) { - ulint i; - ulint longest = 0; - ulint longest_i = ULINT_MAX; + ulint i; + ulint longest = 0; + ulint longest_i = ULINT_MAX; + byte* data; + big_rec_field_t* b; for (i = dict_index_get_n_unique_in_tree(index); i < dtuple_get_n_fields(entry); i++) { @@ -615,13 +627,13 @@ dtuple_convert_big_rec( if (ifield->fixed_len || dfield_is_null(dfield) || dfield_is_ext(dfield) + || dfield_get_len(dfield) <= local_len || dfield_get_len(dfield) <= BTR_EXTERN_FIELD_REF_SIZE * 2) { goto skip_field; } - savings = dfield_get_len(dfield) - - BTR_EXTERN_FIELD_REF_SIZE; + savings = dfield_get_len(dfield) - local_len; /* Check that there would be savings */ if (longest >= savings) { @@ -651,25 +663,32 @@ skip_field: dfield = dtuple_get_nth_field(entry, longest_i); ifield = dict_index_get_nth_field(index, longest_i); - vector->fields[n_fields].field_no = longest_i; + local_prefix_len = local_len - BTR_EXTERN_FIELD_REF_SIZE; - vector->fields[n_fields].len = dfield_get_len(dfield); + b = &vector->fields[n_fields]; + b->field_no = longest_i; + b->len = dfield_get_len(dfield) - local_prefix_len; + b->data = (char*) dfield_get_data(dfield) + local_prefix_len; - vector->fields[n_fields].data = dfield_get_data(dfield); + /* Allocate the locally stored part of the column. */ + data = mem_heap_alloc(heap, local_len); - /* Set the extern field reference in dfield to zero */ - dfield_set_data(dfield, - mem_heap_zalloc(heap, - BTR_EXTERN_FIELD_REF_SIZE), - BTR_EXTERN_FIELD_REF_SIZE); - dfield_set_ext(dfield); + /* Copy the local prefix. */ + memcpy(data, dfield_get_data(dfield), local_prefix_len); + /* Clear the extern field reference (BLOB pointer). */ + memset(data + local_prefix_len, 0, BTR_EXTERN_FIELD_REF_SIZE); #if 0 /* The following would fail the Valgrind checks in page_cur_insert_rec_low() and page_cur_insert_rec_zip(). The BLOB pointers in the record will be initialized after the record and the BLOBs have been written. */ - UNIV_MEM_ALLOC(dfield->data, BTR_EXTERN_FIELD_REF_SIZE); + UNIV_MEM_ALLOC(data + local_prefix_len, + BTR_EXTERN_FIELD_REF_SIZE); #endif + + dfield_set_data(dfield, data, local_len); + dfield_set_ext(dfield); + n_fields++; (*n_ext)++; ut_ad(n_fields < dtuple_get_n_fields(entry)); @@ -692,16 +711,26 @@ dtuple_convert_back_big_rec( big_rec_t* vector) /* in, own: big rec vector; it is freed in this function */ { - dfield_t* dfield; - ulint i; + big_rec_field_t* b = vector->fields; + const big_rec_field_t* const end = b + vector->n_fields; - for (i = 0; i < vector->n_fields; i++) { + for (; b < end; b++) { + dfield_t* dfield; + ulint local_len; + + dfield = dtuple_get_nth_field(entry, b->field_no); + local_len = dfield_get_len(dfield); - dfield = dtuple_get_nth_field(entry, - vector->fields[i].field_no); ut_ad(dfield_is_ext(dfield)); + ut_ad(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + ut_ad(local_len <= DICT_MAX_INDEX_COL_LEN); + dfield_set_data(dfield, - vector->fields[i].data, vector->fields[i].len); + (char*) b->data - local_len, + b->len + local_len); } mem_heap_free(vector->heap); diff --git a/dict/dict0boot.c b/dict/dict0boot.c index 517e64508e3..f4e209eca90 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -252,7 +252,10 @@ dict_boot(void) dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); + /* ROW_FORMAT = (N_COLS >> 31) ? COMPACT : REDUNDANT */ dict_mem_table_add_col(table, heap, "N_COLS", DATA_INT, 0, 4); + /* TYPE is either DICT_TABLE_ORDINARY, or (TYPE & DICT_TF_COMPACT) + and (TYPE & DICT_TF_FORMAT_MASK) are nonzero and TYPE = table->flags */ dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); dict_mem_table_add_col(table, heap, "MIX_ID", DATA_BINARY, 0, 0); dict_mem_table_add_col(table, heap, "MIX_LEN", DATA_INT, 0, 4); diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 67ad01de996..f9959d29a93 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -77,11 +77,13 @@ dict_create_sys_tables_tuple( dfield = dtuple_get_nth_field(entry, 3); ptr = mem_heap_alloc(heap, 4); - if (table->flags & DICT_TF_COMPRESSED_MASK) { + if (table->flags & ~DICT_TF_COMPACT) { ut_a(table->flags & DICT_TF_COMPACT); - mach_write_to_4(ptr, DICT_TABLE_COMPRESSED_BASE - + ((table->flags & DICT_TF_COMPRESSED_MASK) - >> DICT_TF_COMPRESSED_SHIFT)); + ut_a(dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); + ut_a((table->flags & DICT_TF_ZSSIZE_MASK) + <= (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT)); + ut_a(!(table->flags & (~0 << DICT_TF_BITS))); + mach_write_to_4(ptr, table->flags); } else { mach_write_to_4(ptr, DICT_TABLE_ORDINARY); } @@ -255,9 +257,13 @@ dict_build_table_def_step( is_path = FALSE; } + ut_ad(dict_table_get_format(table) <= DICT_TF_FORMAT_MAX); + ut_ad(!dict_table_zip_size(table) + || dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); + error = fil_create_new_single_table_tablespace( &space, path_or_name, is_path, - dict_table_zip_size(table), + table->flags == DICT_TF_COMPACT ? 0 : table->flags, FIL_IBD_FILE_INITIAL_SIZE); table->space = (unsigned int) space; @@ -272,10 +278,8 @@ dict_build_table_def_step( mtr_commit(&mtr); } else { - /* Create in the system tablespace: disallow compression */ - if (table->flags & DICT_TF_COMPRESSED_MASK) { - return(DB_TABLE_ZIP_NO_IBD); - } + /* Create in the system tablespace: disallow new features */ + table->flags &= DICT_TF_COMPACT; } row = dict_create_sys_tables_tuple(table, node->heap); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 1d3291833a8..0c99917a40b 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -342,7 +342,7 @@ void dict_table_autoinc_initialize( /*==========================*/ dict_table_t* table, /* in/out: table */ - ib_longlong value) /* in: next value to assign to a row */ + ib_uint64_t value) /* in: next value to assign to a row */ { ut_ad(mutex_own(&table->autoinc_mutex)); @@ -354,13 +354,13 @@ dict_table_autoinc_initialize( Reads the next autoinc value (== autoinc counter value), 0 if not yet initialized. */ UNIV_INTERN -ib_longlong +ib_uint64_t dict_table_autoinc_read( /*====================*/ /* out: value for a new row, or 0 */ const dict_table_t* table) /* in: table */ { - ib_longlong value; + ib_int64_t value; ut_ad(mutex_own(&table->autoinc_mutex)); @@ -383,7 +383,7 @@ dict_table_autoinc_update( /*======================*/ dict_table_t* table, /* in/out: table */ - ib_longlong value) /* in: value which was assigned to a row */ + ib_uint64_t value) /* in: value which was assigned to a row */ { if (table->autoinc_inited && value > table->autoinc) { @@ -1419,7 +1419,7 @@ dict_index_add_to_cache( new_index->stat_n_diff_key_vals = mem_heap_alloc( new_index->heap, (1 + dict_index_get_n_unique(new_index)) - * sizeof(ib_longlong)); + * sizeof(ib_int64_t)); /* Give some sensible values to stat_n_... in case we do not calculate statistics quickly enough */ @@ -3592,7 +3592,7 @@ loop: ptr = dict_accept(cs, ptr, "FOREIGN", &success); - if (!success) { + if (!success || !my_isspace(cs, *ptr)) { goto loop; } @@ -4087,12 +4087,13 @@ dict_table_print_low( fprintf(stderr, "--------------------------------------\n" - "TABLE: name %s, id %lu %lu, columns %lu, indexes %lu," - " appr.rows %lu\n" + "TABLE: name %s, id %lu %lu, flags %lx, columns %lu," + " indexes %lu, appr.rows %lu\n" " COLUMNS: ", table->name, (ulong) ut_dulint_get_high(table->id), (ulong) ut_dulint_get_low(table->id), + (ulong) table->flags, (ulong) table->n_cols, (ulong) UT_LIST_GET_LEN(table->indexes), (ulong) table->stat_n_rows); @@ -4154,7 +4155,7 @@ dict_index_print_low( /*=================*/ dict_index_t* index) /* in: index */ { - ib_longlong n_vals; + ib_int64_t n_vals; ulint i; const char* type_string; @@ -4484,7 +4485,7 @@ dict_table_find_equivalent_index( table, column_names, index->n_fields, index, TRUE, FALSE); - mem_free(column_names); + mem_free((void*) column_names); return(equiv_index); } diff --git a/dict/dict0load.c b/dict/dict0load.c index 082c0e772be..437cfabce6c 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -223,11 +223,11 @@ loop: } /************************************************************************ -Determine the compressed page size of a table described in SYS_TABLES. */ +Determine the flags of a table described in SYS_TABLES. */ static ulint -dict_sys_tables_get_zip_size( -/*=========================*/ +dict_sys_tables_get_flags( +/*======================*/ /* out: compressed page size in kilobytes; or 0 if the tablespace is uncompressed, ULINT_UNDEFINED on error */ @@ -236,29 +236,53 @@ dict_sys_tables_get_zip_size( const byte* field; ulint len; ulint n_cols; - ulint table_type; + ulint flags; field = rec_get_nth_field_old(rec, 5, &len); ut_a(len == 4); - table_type = mach_read_from_4(field); + flags = mach_read_from_4(field); + + if (UNIV_LIKELY(flags == DICT_TABLE_ORDINARY)) { + return(0); + } field = rec_get_nth_field_old(rec, 4, &len); n_cols = mach_read_from_4(field); - if (UNIV_EXPECT(n_cols & 0x80000000UL, 0x80000000UL) - && UNIV_LIKELY(table_type > DICT_TABLE_COMPRESSED_BASE) - && UNIV_LIKELY(table_type - <= DICT_TABLE_COMPRESSED_BASE + 16)) { - - return(table_type - DICT_TABLE_COMPRESSED_BASE); + if (UNIV_UNLIKELY(!(n_cols & 0x80000000UL))) { + /* New file formats require ROW_FORMAT=COMPACT. */ + return(ULINT_UNDEFINED); } - if (UNIV_LIKELY(table_type == DICT_TABLE_ORDINARY)) { - return(0); + switch (flags & (DICT_TF_FORMAT_MASK | DICT_TF_COMPACT)) { + default: + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: + /* flags should be DICT_TABLE_ORDINARY, + or DICT_TF_FORMAT_MASK should be nonzero. */ + return(ULINT_UNDEFINED); + + case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: +#if DICT_TF_FORMAT_MAX > DICT_TF_FORMAT_ZIP +# error "missing case labels for DICT_TF_FORMAT_ZIP .. DICT_TF_FORMAT_MAX" +#endif + /* We support this format. */ + break; } - return(ULINT_UNDEFINED); + if (UNIV_UNLIKELY((flags & DICT_TF_ZSSIZE_MASK) + > (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT))) { + /* Unsupported compressed page size. */ + return(ULINT_UNDEFINED); + } + + if (UNIV_UNLIKELY(flags & (~0 << DICT_TF_BITS))) { + /* Some unused bits are set. */ + return(ULINT_UNDEFINED); + } + + return(flags); } /************************************************************************ @@ -321,14 +345,28 @@ loop: const byte* field; ulint len; ulint space_id; - ulint zip_size_in_k; + ulint flags; char* name; field = rec_get_nth_field_old(rec, 0, &len); name = mem_strdupl((char*) field, len); - zip_size_in_k = dict_sys_tables_get_zip_size(rec); - ut_a(zip_size_in_k != ULINT_UNDEFINED); + flags = dict_sys_tables_get_flags(rec); + if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { + + field = rec_get_nth_field_old(rec, 5, &len); + flags = mach_read_from_4(field); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown type %lx.\n", + (ulong) flags); + + goto loop; + } field = rec_get_nth_field_old(rec, 9, &len); ut_a(len == 4); @@ -352,8 +390,7 @@ loop: object and check that the .ibd file exists. */ fil_open_single_table_tablespace(FALSE, space_id, - zip_size_in_k * 1024, - name); + flags, name); } mem_free(name); @@ -784,7 +821,6 @@ dict_load_table( ulint n_cols; ulint flags; ulint err; - ulint zip_size_in_k; mtr_t mtr; ut_ad(mutex_own(&(dict_sys->mutex))); @@ -833,8 +869,21 @@ err_exit: /* Check if the tablespace exists and has the right name */ if (space != 0) { - zip_size_in_k = dict_sys_tables_get_zip_size(rec); - ut_a(zip_size_in_k != ULINT_UNDEFINED); + flags = dict_sys_tables_get_flags(rec); + + if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { + field = rec_get_nth_field_old(rec, 5, &len); + flags = mach_read_from_4(field); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown type %lx.\n", + (ulong) flags); + goto err_exit; + } if (fil_space_for_table_exists_in_mem(space, name, FALSE, FALSE, FALSE)) { @@ -853,7 +902,7 @@ err_exit: name, (ulong)space); /* Try to open the tablespace */ if (!fil_open_single_table_tablespace( - TRUE, space, zip_size_in_k << 10, name)) { + TRUE, space, flags, name)) { /* We failed to find a sensible tablespace file */ @@ -861,7 +910,7 @@ err_exit: } } } else { - zip_size_in_k = 0; + flags = 0; } ut_a(name_of_col_is(sys_tables, sys_index, 4, "N_COLS")); @@ -869,8 +918,6 @@ err_exit: field = rec_get_nth_field_old(rec, 4, &len); n_cols = mach_read_from_4(field); - flags = zip_size_in_k << DICT_TF_COMPRESSED_SHIFT; - /* The high-order bit of N_COLS is the "compact format" flag. */ if (n_cols & 0x80000000UL) { flags |= DICT_TF_COMPACT; @@ -886,17 +933,6 @@ err_exit: field = rec_get_nth_field_old(rec, 3, &len); table->id = mach_read_from_8(field); - zip_size_in_k = dict_sys_tables_get_zip_size(rec); - - if (UNIV_UNLIKELY(zip_size_in_k == ULINT_UNDEFINED)) { - field = rec_get_nth_field_old(rec, 5, &len); - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: table %s: unknown table type %lu\n", - name, (ulong) mach_read_from_4(field)); - goto err_exit; - } - btr_pcur_close(&pcur); mtr_commit(&mtr); diff --git a/dict/dict0mem.c b/dict/dict0mem.c index d7bc462a89d..dfd184daba6 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -42,6 +42,7 @@ dict_mem_table_create( mem_heap_t* heap; ut_ad(name); + ut_a(!(flags & (~0 << DICT_TF_BITS))); heap = mem_heap_create(DICT_HEAP_SIZE); diff --git a/fil/fil0fil.c b/fil/fil0fil.c index fa5c71e8050..e50bc2bd073 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -119,9 +119,9 @@ struct fil_node_struct { /* count of pending flushes on this file; closing of the file is not allowed if this is > 0 */ - ib_longlong modification_counter;/* when we write to the file we + ib_int64_t modification_counter;/* when we write to the file we increment this by one */ - ib_longlong flush_counter;/* up to what modification_counter value + ib_int64_t flush_counter;/* up to what modification_counter value we have flushed the modifications to disk */ UT_LIST_NODE_T(fil_node_t) chain; /* link field for the file chain */ @@ -137,7 +137,7 @@ struct fil_space_struct { char* name; /* space name = the path to the first file in it */ ulint id; /* space id */ - ib_longlong tablespace_version; + ib_int64_t tablespace_version; /* in DISCARD/IMPORT this timestamp is used to check if we should ignore an insert buffer merge request for a page because it actually @@ -167,8 +167,8 @@ struct fil_space_struct { tablespace whose size we do not know yet; last incomplete megabytes in data files may be ignored if space == 0 */ - ulint zip_size;/* compressed page size in bytes; 0 - if the pages are not compressed */ + ulint flags; /* in: compressed page size + and file format, or 0 */ ulint n_reserved_extents; /* number of reserved free extents for ongoing operations like B-tree page split */ @@ -228,7 +228,7 @@ struct fil_system_struct { ulint n_open; /* number of files currently open */ ulint max_n_open; /* n_open is not allowed to exceed this */ - ib_longlong modification_counter;/* when we write to a file we + ib_int64_t modification_counter;/* when we write to a file we increment this by one */ ulint max_assigned_id;/* maximum space id in the existing tables, or assigned during the time @@ -236,7 +236,7 @@ struct fil_system_struct { startup we scan the data dictionary and set here the maximum of the space id's of the tables there */ - ib_longlong tablespace_version; + ib_int64_t tablespace_version; /* a counter which is incremented for every space object memory creation; every space mem object gets a @@ -392,7 +392,7 @@ fil_space_get_by_name( /*********************************************************************** Returns the version number of a tablespace, -1 if not found. */ UNIV_INTERN -ib_longlong +ib_int64_t fil_space_get_version( /*==================*/ /* out: version number, -1 if the tablespace does not @@ -401,7 +401,7 @@ fil_space_get_version( { fil_system_t* system = fil_system; fil_space_t* space; - ib_longlong version = -1; + ib_int64_t version = -1; ut_ad(system); @@ -426,8 +426,7 @@ fil_space_get_latch( /*================*/ /* out: latch protecting storage allocation */ ulint id, /* in: space id */ - ulint* zip_size)/* out: compressed page size, or - 0 for uncompressed tablespaces */ + ulint* flags) /* out: tablespace flags */ { fil_system_t* system = fil_system; fil_space_t* space; @@ -440,8 +439,8 @@ fil_space_get_latch( ut_a(space); - if (zip_size) { - *zip_size = space->zip_size; + if (flags) { + *flags = space->flags; } mutex_exit(&(system->mutex)); @@ -578,7 +577,7 @@ fil_node_open_file( fil_system_t* system, /* in: tablespace memory cache */ fil_space_t* space) /* in: space */ { - ib_longlong size_bytes; + ib_int64_t size_bytes; ulint size_low; ulint size_high; ibool ret; @@ -587,7 +586,7 @@ fil_node_open_file( byte* buf2; byte* page; ulint space_id; - ulint zip_size; + ulint flags; #endif /* !UNIV_HOTBACKUP */ ut_ad(mutex_own(&(system->mutex))); @@ -621,11 +620,11 @@ fil_node_open_file( os_file_get_size(node->handle, &size_low, &size_high); - size_bytes = (((ib_longlong)size_high) << 32) - + (ib_longlong)size_low; + size_bytes = (((ib_int64_t)size_high) << 32) + + (ib_int64_t)size_low; #ifdef UNIV_HOTBACKUP node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); - + /* TODO: adjust to zip_size, like below? */ #else ut_a(space->purpose != FIL_LOG); ut_a(space->id != 0); @@ -655,7 +654,7 @@ fil_node_open_file( success = os_file_read(node->handle, page, 0, 0, UNIV_PAGE_SIZE); space_id = fsp_header_get_space_id(page); - zip_size = fsp_header_get_zip_size(page); + flags = fsp_header_get_flags(page); ut_free(buf2); @@ -663,31 +662,32 @@ fil_node_open_file( os_file_close(node->handle); - if (space_id == ULINT_UNDEFINED || space_id == 0) { - fprintf(stderr, - "InnoDB: Error: tablespace id %lu" - " in file %s is not sensible\n", - (ulong) space_id, node->name); - - ut_a(0); - } - - if (space_id != space->id) { + if (UNIV_UNLIKELY(space_id != space->id)) { fprintf(stderr, "InnoDB: Error: tablespace id is %lu" " in the data dictionary\n" "InnoDB: but in file %s it is %lu!\n", space->id, node->name, space_id); - ut_a(0); + ut_error; } - if (UNIV_UNLIKELY(zip_size != space->zip_size)) { + if (UNIV_UNLIKELY(space_id == ULINT_UNDEFINED + || space_id == 0)) { fprintf(stderr, - "InnoDB: Error: compressed page size is %lu" + "InnoDB: Error: tablespace id %lu" + " in file %s is not sensible\n", + (ulong) space_id, node->name); + + ut_error; + } + + if (UNIV_UNLIKELY(space->flags != flags)) { + fprintf(stderr, + "InnoDB: Error: table flags are %lx" " in the data dictionary\n" - "InnoDB: but in file %s it is %lu!\n", - space->zip_size, node->name, zip_size); + "InnoDB: but the flags in file %s are %lx!\n", + space->flags, node->name, flags); ut_error; } @@ -697,10 +697,12 @@ fil_node_open_file( size_bytes = ut_2pow_round(size_bytes, 1024 * 1024); } - if (!zip_size) { + if (!(flags & DICT_TF_ZSSIZE_MASK)) { node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); } else { - node->size = (ulint) (size_bytes / zip_size); + node->size = (ulint) + (size_bytes + / dict_table_flags_to_zip_size(flags)); } #endif space->size += node->size; @@ -1042,12 +1044,19 @@ fil_space_create( /* out: TRUE if success */ const char* name, /* in: space name */ ulint id, /* in: space id */ - ulint zip_size,/* in: compressed page size, or - 0 for uncompressed tablespaces */ + ulint flags, /* in: compressed page size + and file format, or 0 */ ulint purpose)/* in: FIL_TABLESPACE, or FIL_LOG if log */ { fil_system_t* system = fil_system; fil_space_t* space; + + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal table->flags. */ + ut_a(flags != DICT_TF_COMPACT); + try_again: /*printf( "InnoDB: Adding tablespace %lu of name %s, purpose %lu\n", id, name, @@ -1144,7 +1153,7 @@ try_again: space->is_being_deleted = FALSE; space->purpose = purpose; space->size = 0; - space->zip_size = zip_size; + space->flags = flags; space->n_reserved_extents = 0; @@ -1369,20 +1378,19 @@ fil_space_get_size( } /*********************************************************************** -Returns the compressed page size of the space, or 0 if the space -is not compressed. The tablespace must be cached in the memory cache. */ +Returns the flags of the space. The tablespace must be cached +in the memory cache. */ UNIV_INTERN ulint -fil_space_get_zip_size( -/*===================*/ - /* out: compressed page size, ULINT_UNDEFINED - if space not found */ +fil_space_get_flags( +/*================*/ + /* out: flags, ULINT_UNDEFINED if space not found */ ulint id) /* in: space id */ { fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; - ulint size; + ulint flags; ut_ad(system); @@ -1415,11 +1423,34 @@ fil_space_get_zip_size( fil_node_complete_io(node, system, OS_FILE_READ); } - size = space->zip_size; + flags = space->flags; mutex_exit(&(system->mutex)); - return(size); + return(flags); +} + +/*********************************************************************** +Returns the compressed page size of the space, or 0 if the space +is not compressed. The tablespace must be cached in the memory cache. */ +UNIV_INTERN +ulint +fil_space_get_zip_size( +/*===================*/ + /* out: compressed page size, ULINT_UNDEFINED + if space not found */ + ulint id) /* in: space id */ +{ + ulint flags; + + flags = fil_space_get_flags(id); + + if (flags && flags != ULINT_UNDEFINED) { + + return(dict_table_flags_to_zip_size(flags)); + } + + return(flags); } /*********************************************************************** @@ -1868,12 +1899,13 @@ void fil_op_write_log( /*=============*/ ulint type, /* in: MLOG_FILE_CREATE, - MLOG_ZIP_FILE_CREATE, + MLOG_FILE_CREATE2, MLOG_FILE_DELETE, or MLOG_FILE_RENAME */ ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size - if type==MLOG_ZIP_FILE_CREATE */ + ulint flags, /* in: compressed page size + and file format + if type==MLOG_FILE_CREATE2, or 0 */ const char* name, /* in: table name in the familiar 'databasename/tablename' format, or the file path in the case of @@ -1896,10 +1928,9 @@ fil_op_write_log( log_ptr = mlog_write_initial_log_record_for_file_op(type, space_id, 0, log_ptr, mtr); - if (type == MLOG_ZIP_FILE_CREATE) { - ut_a(zip_size && !(zip_size % 1024) && zip_size <= 16384); - mach_write_to_1(log_ptr, zip_size >> 10); - log_ptr++; + if (type == MLOG_FILE_CREATE2) { + mach_write_to_4(log_ptr, flags); + log_ptr += 4; } /* Let us store the strings as null-terminated for easier readability and handling */ @@ -1957,16 +1988,16 @@ fil_op_log_parse_or_replay( ulint new_name_len; const char* name; const char* new_name = NULL; - ulint zip_size = 0; + ulint flags = 0; - if (type == MLOG_ZIP_FILE_CREATE) { - if (end_ptr < ptr + 1) { + if (type == MLOG_FILE_CREATE2) { + if (end_ptr < ptr + 4) { return(NULL); } - zip_size = mach_read_from_1(ptr) << 10; - ptr++; + flags = mach_read_from_4(ptr); + ptr += 4; } if (end_ptr < ptr + 2) { @@ -2065,7 +2096,7 @@ fil_op_log_parse_or_replay( break; case MLOG_FILE_CREATE: - case MLOG_ZIP_FILE_CREATE: + case MLOG_FILE_CREATE2: if (fil_tablespace_exists_in_mem(space_id)) { /* Do nothing */ } else if (fil_get_space_id_for_table(name) @@ -2077,7 +2108,7 @@ fil_op_log_parse_or_replay( fil_create_directory_for_tablename(name); if (fil_create_new_single_table_tablespace( - &space_id, name, FALSE, zip_size, + &space_id, name, FALSE, flags, FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { ut_error; } @@ -2532,8 +2563,7 @@ fil_create_new_single_table_tablespace( table */ ibool is_temp, /* in: TRUE if a table created with CREATE TEMPORARY TABLE */ - ulint zip_size, /* in: compressed page size, - or 0 if uncompressed tablespace */ + ulint flags, /* in: tablespace flags */ ulint size) /* in: the initial size of the tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ @@ -2547,6 +2577,11 @@ fil_create_new_single_table_tablespace( char* path; ut_a(size >= FIL_IBD_FILE_INITIAL_SIZE); + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal table->flags. */ + ut_a(flags != DICT_TF_COMPACT); path = fil_make_ibd_name(tablename, is_temp); @@ -2594,7 +2629,7 @@ fil_create_new_single_table_tablespace( return(DB_ERROR); } - buf2 = ut_malloc(2 * UNIV_PAGE_SIZE + zip_size); + buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); /* Align the memory for file i/o if we might have O_DIRECT set */ page = ut_align(buf2, UNIV_PAGE_SIZE); @@ -2637,14 +2672,20 @@ error_exit2: memset(page, '\0', UNIV_PAGE_SIZE); - fsp_header_init_fields(page, *space_id, zip_size); + fsp_header_init_fields(page, *space_id, flags); mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, *space_id); - if (!zip_size) { + if (!(flags & DICT_TF_ZSSIZE_MASK)) { buf_flush_init_for_writing(page, NULL, 0); ret = os_file_write(path, file, page, 0, 0, UNIV_PAGE_SIZE); } else { page_zip_des_t page_zip; + ulint zip_size; + + zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) + << ((flags & DICT_TF_ZSSIZE_MASK) + >> DICT_TF_ZSSIZE_SHIFT)); + page_zip_set_size(&page_zip, zip_size); page_zip.data = page + UNIV_PAGE_SIZE; #ifdef UNIV_DEBUG @@ -2681,7 +2722,7 @@ error_exit2: goto error_exit2; } - success = fil_space_create(path, *space_id, zip_size, FIL_TABLESPACE); + success = fil_space_create(path, *space_id, flags, FIL_TABLESPACE); if (!success) { goto error_exit2; @@ -2695,10 +2736,10 @@ error_exit2: mtr_start(&mtr); - fil_op_write_log(zip_size - ? MLOG_ZIP_FILE_CREATE + fil_op_write_log(flags + ? MLOG_FILE_CREATE2 : MLOG_FILE_CREATE, - *space_id, zip_size, + *space_id, flags, tablename, NULL, &mtr); mtr_commit(&mtr); @@ -2734,8 +2775,8 @@ fil_reset_too_high_lsns( byte* buf2; ib_uint64_t flush_lsn; ulint space_id; - ib_longlong file_size; - ib_longlong offset; + ib_int64_t file_size; + ib_int64_t offset; ulint zip_size; ibool success; @@ -2893,8 +2934,7 @@ fil_open_single_table_tablespace( faster (the OS caches them) than accessing the first page of the file */ ulint id, /* in: space id */ - ulint zip_size, /* in: compressed page size, - or 0 if uncompressed tablespace */ + ulint flags, /* in: tablespace flags */ const char* name) /* in: table name in the databasename/tablename format */ { @@ -2904,10 +2944,17 @@ fil_open_single_table_tablespace( byte* buf2; byte* page; ulint space_id; + ulint space_flags; ibool ret = TRUE; filepath = fil_make_ibd_name(name, FALSE); + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal table->flags. */ + ut_a(flags != DICT_TF_COMPACT); + file = os_file_create_simple_no_error_handling( filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); if (!success) { @@ -2952,19 +2999,21 @@ fil_open_single_table_tablespace( success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); - /* We have to read the tablespace id from the file */ + /* We have to read the tablespace id and flags from the file. */ space_id = fsp_header_get_space_id(page); + space_flags = fsp_header_get_flags(page); ut_free(buf2); - if (space_id != id) { + if (UNIV_UNLIKELY(space_id != id || space_flags != flags)) { ut_print_timestamp(stderr); - fputs(" InnoDB: Error: tablespace id in file ", stderr); + fputs(" InnoDB: Error: tablespace id and flags in file ", + stderr); ut_print_filename(stderr, filepath); - fprintf(stderr, " is %lu, but in the InnoDB\n" - "InnoDB: data dictionary it is %lu.\n" + fprintf(stderr, " are %lu and %lu, but in the InnoDB\n" + "InnoDB: data dictionary they are %lu and %lu.\n" "InnoDB: Have you moved InnoDB .ibd files" " around without using the\n" "InnoDB: commands DISCARD TABLESPACE and" @@ -2973,7 +3022,8 @@ fil_open_single_table_tablespace( "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" "innodb-troubleshooting.html\n" "InnoDB: for how to resolve the issue.\n", - (ulong) space_id, (ulong) id); + (ulong) space_id, (ulong) space_flags, + (ulong) id, (ulong) flags); ret = FALSE; @@ -2981,8 +3031,7 @@ fil_open_single_table_tablespace( } skip_check: - success = fil_space_create(filepath, space_id, zip_size, - FIL_TABLESPACE); + success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); if (!success) { goto func_exit; @@ -3038,10 +3087,10 @@ fil_load_single_table_tablespace( byte* buf2; byte* page; ulint space_id; - ulint zip_size; + ulint flags; ulint size_low; ulint size_high; - ib_longlong size; + ib_int64_t size; #ifdef UNIV_HOTBACKUP fil_space_t* space; #endif @@ -3161,7 +3210,7 @@ fil_load_single_table_tablespace( /* Every .ibd file is created >= 4 pages in size. Smaller files cannot be ok. */ - size = (((ib_longlong)size_high) << 32) + (ib_longlong)size_low; + size = (((ib_int64_t)size_high) << 32) + (ib_int64_t)size_low; #ifndef UNIV_HOTBACKUP if (size < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { fprintf(stderr, @@ -3189,10 +3238,10 @@ fil_load_single_table_tablespace( /* We have to read the tablespace id from the file */ space_id = fsp_header_get_space_id(page); - zip_size = fsp_header_get_zip_size(page); + flags = fsp_header_get_flags(page); } else { space_id = ULINT_UNDEFINED; - zip_size = 0; + flags = 0; } #ifndef UNIV_HOTBACKUP @@ -3269,8 +3318,7 @@ fil_load_single_table_tablespace( } mutex_exit(&(fil_system->mutex)); #endif - success = fil_space_create(filepath, space_id, zip_size, - FIL_TABLESPACE); + success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); if (!success) { @@ -3501,7 +3549,7 @@ fil_tablespace_deleted_or_being_deleted_in_mem( /* out: TRUE if does not exist or is being\ deleted */ ulint id, /* in: space id */ - ib_longlong version)/* in: tablespace_version should be this; if + ib_int64_t version)/* in: tablespace_version should be this; if you pass -1 as the value of this, then this parameter is ignored */ { @@ -3520,7 +3568,7 @@ fil_tablespace_deleted_or_being_deleted_in_mem( return(TRUE); } - if (version != ((ib_longlong)-1) + if (version != ((ib_int64_t)-1) && space->tablespace_version != version) { mutex_exit(&(system->mutex)); @@ -3788,7 +3836,7 @@ fil_extend_space_to_desired_size( return(TRUE); } - page_size = space->zip_size; + page_size = dict_table_flags_to_zip_size(space->flags); if (!page_size) { page_size = UNIV_PAGE_SIZE; } @@ -4448,7 +4496,7 @@ fil_flush( fil_space_t* space; fil_node_t* node; os_file_t file; - ib_longlong old_mod_counter; + ib_int64_t old_mod_counter; mutex_enter(&(system->mutex)); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 9dce1bf0358..1ae5bdc72f3 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -60,9 +60,7 @@ descriptor page, but used only in the first. */ about the first extent, but have not physically allocted those pages to the file */ -#define FSP_PAGE_ZIP_SIZE 16 /* The size of the compressed page - in bytes, or 0 for uncompressed - tablespaces */ +#define FSP_SPACE_FLAGS 16 /* table->flags & ~DICT_TF_COMPACT */ #define FSP_FRAG_N_USED 20 /* number of used pages in the FSP_FREE_FRAG list */ #define FSP_FREE 24 /* list of free extents */ @@ -351,7 +349,8 @@ fsp_get_space_header( buf_block_dbg_add_level(block, SYNC_FSP_PAGE); #endif /* UNIV_SYNC_DEBUG */ ut_ad(id == mach_read_from_4(FSP_SPACE_ID + header)); - ut_ad(zip_size == mach_read_from_4(FSP_PAGE_ZIP_SIZE + header)); + ut_ad(zip_size == dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + header))); return(header); } @@ -637,6 +636,8 @@ xdes_calc_descriptor_page( + (PAGE_ZIP_MIN_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE # error #endif + ut_ad(ut_is_2pow(zip_size)); + if (!zip_size) { return(ut_2pow_round(offset, UNIV_PAGE_SIZE)); } else { @@ -657,6 +658,8 @@ xdes_calc_descriptor_index( 0 for uncompressed pages */ ulint offset) /* in: page offset */ { + ut_ad(ut_is_2pow(zip_size)); + if (!zip_size) { return(ut_2pow_remainder(offset, UNIV_PAGE_SIZE) / FSP_EXTENT_SIZE); @@ -700,7 +703,8 @@ xdes_get_descriptor_with_space_hdr( /* Read free limit and space size */ limit = mach_read_from_4(sp_header + FSP_FREE_LIMIT); size = mach_read_from_4(sp_header + FSP_SIZE); - zip_size = mach_read_from_4(sp_header + FSP_PAGE_ZIP_SIZE); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(sp_header + FSP_SPACE_FLAGS)); /* If offset is >= size or > limit, return NULL */ @@ -905,13 +909,19 @@ fsp_header_init_fields( /*===================*/ page_t* page, /* in/out: first page in the space */ ulint space_id, /* in: space id */ - ulint zip_size) /* in: compressed page size in bytes; - 0 for uncompressed pages */ + ulint flags) /* in: tablespace flags (FSP_SPACE_FLAGS): + 0, or table->flags if newer than COMPACT */ { + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal table->flags. */ + ut_a(flags != DICT_TF_COMPACT); + mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_ID + page, space_id); - mach_write_to_4(FSP_HEADER_OFFSET + FSP_PAGE_ZIP_SIZE + page, - zip_size); + mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page, + flags); } /************************************************************************** @@ -928,12 +938,14 @@ fsp_header_init( fsp_header_t* header; buf_block_t* block; page_t* page; + ulint flags; ulint zip_size; ut_ad(mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); block = buf_page_create(space, 0, zip_size, mtr); buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); #ifdef UNIV_SYNC_DEBUG @@ -955,7 +967,7 @@ fsp_header_init( mlog_write_ulint(header + FSP_SIZE, size, MLOG_4BYTES, mtr); mlog_write_ulint(header + FSP_FREE_LIMIT, 0, MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_PAGE_ZIP_SIZE, zip_size, + mlog_write_ulint(header + FSP_SPACE_FLAGS, flags, MLOG_4BYTES, mtr); mlog_write_ulint(header + FSP_FRAG_N_USED, 0, MLOG_4BYTES, mtr); @@ -1004,6 +1016,20 @@ fsp_header_get_space_id( return(id); } +/************************************************************************** +Reads the space flags from the first page of a tablespace. */ +UNIV_INTERN +ulint +fsp_header_get_flags( +/*=================*/ + /* out: flags */ + const page_t* page) /* in: first page of a tablespace */ +{ + ut_ad(!page_offset(page)); + + return(mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page)); +} + /************************************************************************** Reads the compressed page size from the first page of a tablespace. */ UNIV_INTERN @@ -1014,7 +1040,9 @@ fsp_header_get_zip_size( or 0 if uncompressed */ const page_t* page) /* in: first page of a tablespace */ { - return(mach_read_from_4(FSP_HEADER_OFFSET + FSP_PAGE_ZIP_SIZE + page)); + ulint flags = fsp_header_get_flags(page); + + return(dict_table_flags_to_zip_size(flags)); } /************************************************************************** @@ -1029,13 +1057,15 @@ fsp_header_inc_size( { fsp_header_t* header; ulint size; - ulint zip_size; + ulint flags; ut_ad(mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - header = fsp_get_space_header(space, zip_size, mtr); + header = fsp_get_space_header(space, + dict_table_flags_to_zip_size(flags), + mtr); size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); @@ -1044,37 +1074,29 @@ fsp_header_inc_size( } /************************************************************************** -Gets the current free limit of a tablespace. The free limit means the -place of the first page which has never been put to the the free list -for allocation. The space above that address is initialized to zero. -Sets also the global variable log_fsp_current_free_limit. */ +Gets the current free limit of the system tablespace. The free limit +means the place of the first page which has never been put to the the +free list for allocation. The space above that address is initialized +to zero. Sets also the global variable log_fsp_current_free_limit. */ UNIV_INTERN ulint -fsp_header_get_free_limit( -/*======================*/ +fsp_header_get_free_limit(void) +/*===========================*/ /* out: free limit in megabytes */ - ulint space) /* in: space id, must be 0 */ { fsp_header_t* header; ulint limit; - ulint zip_size; mtr_t mtr; - ut_a(space == 0); /* We have only one log_fsp_current_... variable */ - mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); - header = fsp_get_space_header(space, zip_size, &mtr); + header = fsp_get_space_header(0, 0, &mtr); limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, &mtr); - if (!zip_size) { - limit /= ((1024 * 1024) / UNIV_PAGE_SIZE); - } else { - limit /= ((1024 * 1024) / zip_size); - } + limit /= ((1024 * 1024) / UNIV_PAGE_SIZE); log_fsp_current_free_limit_set_and_checkpoint(limit); @@ -1084,28 +1106,25 @@ fsp_header_get_free_limit( } /************************************************************************** -Gets the size of the tablespace from the tablespace header. If we do not -have an auto-extending data file, this should be equal to the size of the -data files. If there is an auto-extending data file, this can be smaller. */ +Gets the size of the system tablespace from the tablespace header. If +we do not have an auto-extending data file, this should be equal to +the size of the data files. If there is an auto-extending data file, +this can be smaller. */ UNIV_INTERN ulint -fsp_header_get_tablespace_size( -/*===========================*/ +fsp_header_get_tablespace_size(void) +/*================================*/ /* out: size in pages */ - ulint space) /* in: space id, must be 0 */ { fsp_header_t* header; ulint size; - ulint zip_size; mtr_t mtr; - ut_a(space == 0); /* We have only one log_fsp_current_... variable */ - mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); - header = fsp_get_space_header(space, zip_size, &mtr); + header = fsp_get_space_header(0, 0, &mtr); size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); @@ -1179,7 +1198,8 @@ fsp_try_extend_data_file( } size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - zip_size = mach_read_from_4(header + FSP_PAGE_ZIP_SIZE); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(header + FSP_SPACE_FLAGS)); old_size = size; @@ -1301,7 +1321,8 @@ fsp_fill_free_list( size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, mtr); - zip_size = mach_read_from_4(FSP_PAGE_ZIP_SIZE + header); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + header)); ut_a(ut_is_2pow(zip_size)); ut_a(zip_size <= UNIV_PAGE_SIZE); ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); @@ -1847,8 +1868,8 @@ fsp_alloc_seg_inode_page( ulint i; space = page_get_space_id(page_align(space_header)); - zip_size = mtr_read_ulint(space_header + FSP_PAGE_ZIP_SIZE, - MLOG_4BYTES, mtr); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); page_no = fsp_alloc_free_page(space, zip_size, 0, mtr); @@ -1914,7 +1935,8 @@ fsp_alloc_seg_inode( page_no = flst_get_first(space_header + FSP_SEG_INODES_FREE, mtr).page; - zip_size = mach_read_from_4(space_header + FSP_PAGE_ZIP_SIZE); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); block = buf_page_get(page_get_space_id(page_align(space_header)), zip_size, page_no, RW_X_LATCH, mtr); #ifdef UNIV_SYNC_DEBUG @@ -2160,6 +2182,7 @@ fseg_create_general( operation */ mtr_t* mtr) /* in: mtr */ { + ulint flags; ulint zip_size; fsp_header_t* space_header; fseg_inode_t* inode; @@ -2175,7 +2198,8 @@ fseg_create_general( ut_ad(byte_offset + FSEG_HEADER_SIZE <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); if (page != 0) { block = buf_page_get(space, zip_size, page, RW_X_LATCH, mtr); @@ -2334,15 +2358,18 @@ fseg_n_reserved_pages( ulint ret; fseg_inode_t* inode; ulint space; + ulint flags; ulint zip_size; + rw_lock_t* latch; space = page_get_space_id(page_align(header)); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(latch, mtr); inode = fseg_inode_get(header, space, zip_size, mtr); @@ -2681,8 +2708,8 @@ fseg_alloc_free_page_low( can be obtained immediately with buf_page_get without need for a disk read */ buf_block_t* block; - ulint zip_size = mach_read_from_4(FSP_PAGE_ZIP_SIZE - + space_header); + ulint zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); block = buf_page_create(space, ret_page, zip_size, mtr); #ifdef UNIV_SYNC_DEBUG @@ -2740,6 +2767,7 @@ fseg_alloc_free_page_general( { fseg_inode_t* inode; ulint space; + ulint flags; ulint zip_size; rw_lock_t* latch; ibool success; @@ -2748,7 +2776,9 @@ fseg_alloc_free_page_general( space = page_get_space_id(page_align(seg_header)); - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + + zip_size = dict_table_flags_to_zip_size(flags); ut_ad(!mutex_own(&kernel_mutex) || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); @@ -2889,6 +2919,7 @@ fsp_reserve_free_extents( ulint n_free_list_ext; ulint free_limit; ulint size; + ulint flags; ulint zip_size; ulint n_free; ulint n_free_up; @@ -2899,7 +2930,9 @@ fsp_reserve_free_extents( ut_ad(mtr); *n_reserved = n_ext; - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + ut_ad(!mutex_own(&kernel_mutex) || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); @@ -2995,6 +3028,7 @@ fsp_get_available_space_in_free_extents( ulint n_free_list_ext; ulint free_limit; ulint size; + ulint flags; ulint zip_size; ulint n_free; ulint n_free_up; @@ -3006,7 +3040,8 @@ fsp_get_available_space_in_free_extents( mtr_start(&mtr); - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); mtr_x_lock(latch, &mtr); @@ -3275,14 +3310,18 @@ fseg_free_page( ulint page, /* in: page offset */ mtr_t* mtr) /* in: mtr handle */ { + ulint flags; ulint zip_size; fseg_inode_t* seg_inode; + rw_lock_t* latch; + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(latch, mtr); seg_inode = fseg_inode_get(seg_header, space, zip_size, mtr); @@ -3385,17 +3424,21 @@ fseg_free_step( xdes_t* descr; fseg_inode_t* inode; ulint space; + ulint flags; ulint zip_size; ulint header_page; + rw_lock_t* latch; space = page_get_space_id(page_align(header)); header_page = page_get_page_no(page_align(header)); - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); descr = xdes_get_descriptor(space, zip_size, header_page, mtr); @@ -3461,16 +3504,20 @@ fseg_free_step_not_header( xdes_t* descr; fseg_inode_t* inode; ulint space; + ulint flags; ulint zip_size; ulint page_no; + rw_lock_t* latch; space = page_get_space_id(page_align(header)); - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); inode = fseg_inode_get(header, space, zip_size, mtr); @@ -3625,10 +3672,12 @@ fseg_validate_low( node_addr = flst_get_first(inode + FSEG_FREE, mtr2); while (!fil_addr_is_null(node_addr)) { + ulint flags; ulint zip_size; mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); descr = xdes_lst_get_descriptor(space, zip_size, node_addr, &mtr); @@ -3647,10 +3696,12 @@ fseg_validate_low( node_addr = flst_get_first(inode + FSEG_NOT_FULL, mtr2); while (!fil_addr_is_null(node_addr)) { + ulint flags; ulint zip_size; mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); descr = xdes_lst_get_descriptor(space, zip_size, node_addr, &mtr); @@ -3672,10 +3723,12 @@ fseg_validate_low( node_addr = flst_get_first(inode + FSEG_FULL, mtr2); while (!fil_addr_is_null(node_addr)) { + ulint flags; ulint zip_size; mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); descr = xdes_lst_get_descriptor(space, zip_size, node_addr, &mtr); @@ -3702,20 +3755,22 @@ fseg_validate( /*==========*/ /* out: TRUE if ok */ fseg_header_t* header, /* in: segment header */ - mtr_t* mtr2) /* in: mtr */ + mtr_t* mtr) /* in: mtr */ { fseg_inode_t* inode; ibool ret; ulint space; + ulint flags; ulint zip_size; space = page_get_space_id(page_align(header)); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr2); + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); - inode = fseg_inode_get(header, space, zip_size, mtr2); + inode = fseg_inode_get(header, space, zip_size, mtr); - ret = fseg_validate_low(inode, mtr2); + ret = fseg_validate_low(inode, mtr); return(ret); } @@ -3772,6 +3827,7 @@ fseg_print_low( (ulong) n_used); } +#ifdef UNIV_BTR_PRINT /*********************************************************************** Writes info of a segment. */ UNIV_INTERN @@ -3783,16 +3839,19 @@ fseg_print( { fseg_inode_t* inode; ulint space; + ulint flags; ulint zip_size; space = page_get_space_id(page_align(header)); - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); inode = fseg_inode_get(header, space, zip_size, mtr); fseg_print_low(inode, mtr); } +#endif /* UNIV_BTR_PRINT */ /*********************************************************************** Validates the file space system and its segments. */ @@ -3808,6 +3867,7 @@ fsp_validate( page_t* seg_inode_page; rw_lock_t* latch; ulint size; + ulint flags; ulint zip_size; ulint free_limit; ulint frag_n_used; @@ -3824,7 +3884,8 @@ fsp_validate( ulint seg_inode_len_free; ulint seg_inode_len_full; - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); ut_a(ut_is_2pow(zip_size)); ut_a(zip_size <= UNIV_PAGE_SIZE); ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); @@ -4059,6 +4120,7 @@ fsp_print( fseg_inode_t* seg_inode; page_t* seg_inode_page; rw_lock_t* latch; + ulint flags; ulint zip_size; ulint size; ulint free_limit; @@ -4076,7 +4138,8 @@ fsp_print( mtr_t mtr; mtr_t mtr2; - latch = fil_space_get_latch(space, &zip_size); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); /* Start first a mini-transaction mtr2 to lock out all other threads from the fsp system */ diff --git a/ha/hash0hash.c b/ha/hash0hash.c index a8afa999f7a..0587bb37495 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -136,7 +136,8 @@ hash_create_mutexes_func( { ulint i; - ut_a(n_mutexes > 0 && ut_is_2pow(n_mutexes)); + ut_a(n_mutexes > 0); + ut_a(ut_is_2pow(n_mutexes)); table->mutexes = mem_alloc(n_mutexes * sizeof(mutex_t)); diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 0f223881cf9..7e59466e7a4 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -75,9 +75,11 @@ extern "C" { is defined the same in both builds: the MySQL server and the InnoDB plugin. */ extern pthread_mutex_t LOCK_thread_count; +#if MYSQL_VERSION_ID < 50124 /* this is defined in mysql_priv.h inside #ifdef MYSQL_SERVER but we need it here */ bool check_global_access(THD *thd, ulong want_access); +#endif /* MYSQL_VERSION_ID < 50124 */ #endif /* MYSQL_SERVER */ /** to protect innobase_open_files */ @@ -90,6 +92,8 @@ static pthread_cond_t commit_cond; static pthread_mutex_t commit_cond_m; static bool innodb_inited = 0; +#define INSIDE_HA_INNOBASE_CC + #ifdef MYSQL_DYNAMIC_PLUGIN /* These must be weak global variables in the dynamic plugin. */ struct handlerton* innodb_hton_ptr; @@ -125,6 +129,13 @@ are determined in innobase_init below: */ static char* innobase_data_home_dir = NULL; static char* innobase_data_file_path = NULL; static char* innobase_log_group_home_dir = NULL; +static char* innobase_file_format_name = NULL; + +/* Note: This variable can be set to on/off and any of the supported +file formats in the configuration file, but can only be set to any +of the supported file formats during runtime. */ +static char* innobase_file_format_check = NULL; + /* The following has a misleading name: starting from 4.0.5, this also affects Windows: */ static char* innobase_unix_file_flush_method = NULL; @@ -139,7 +150,6 @@ static char* innobase_log_arch_dir = NULL; #endif /* UNIV_LOG_ARCHIVE */ static my_bool innobase_use_doublewrite = TRUE; static my_bool innobase_use_checksums = TRUE; -static my_bool innobase_file_per_table = FALSE; static my_bool innobase_locks_unsafe_for_binlog = FALSE; static my_bool innobase_rollback_on_timeout = FALSE; static my_bool innobase_create_status_file = FALSE; @@ -148,6 +158,8 @@ static my_bool innobase_adaptive_hash_index = TRUE; static char* internal_innobase_data_file_path = NULL; +static char* innodb_version_str = (char*) INNODB_VERSION_STR; + /* The following counter is used to convey information to InnoDB about server activity: in selects it is not sensible to call srv_active_wake_master_thread after each fetch or search, we only do @@ -178,6 +190,100 @@ static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root); +/**************************************************************** +Validate the file format name and return its corresponding id. */ +static +uint +innobase_file_format_name_lookup( +/*=============================*/ + /* out: valid file format id */ + const char* format_name); /* in: pointer to file format + name */ +/**************************************************************** +Validate the file format check config parameters, as a side affect it +sets the srv_check_file_format_at_startup variable. */ +static +bool +innobase_file_format_check_on_off( +/*==============================*/ + /* out: true if one of + "on" or "off" */ + const char* format_check); /* in: parameter value */ +/**************************************************************** +Validate the file format check config parameters, as a side affect it +sets the srv_check_file_format_at_startup variable. */ +static +bool +innobase_file_format_check_validate( +/*================================*/ + /* out: true if valid + config value */ + const char* format_check); /* in: parameter value */ +/***************************************************************** +Check if it is a valid file format. This function is registered as +a callback with MySQL. */ +static +int +innodb_file_format_name_validate( +/*=============================*/ + /* out: 0 for valid file + format */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value); /* in: incoming string */ +/******************************************************************** +Update the system variable innodb_file_format using the "saved" +value. This function is registered as a callback with MySQL. */ +static +bool +innodb_file_format_name_update( +/*===========================*/ + /* out: should never + fail since it is + already validated */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr,/* out: where the + formal string goes */ + void* save); /* in: immediate result + from check function */ +/***************************************************************** +Check if it is a valid file format. This function is registered as +a callback with MySQL. */ +static +int +innodb_file_format_check_validate( +/*==============================*/ + /* out: 0 for valid file + format */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value); /* in: incoming string */ +/******************************************************************** +Update the system variable innodb_file_format_check using the "saved" +value. This function is registered as a callback with MySQL. */ +static +bool +innodb_file_format_check_update( +/*============================*/ + /* out: should never + fail since it is + already validated */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr,/* out: where the + formal string goes */ + void* save); /* in: immediate result + from check function */ + /******************************************************************** Return alter table flags supported in an InnoDB database. */ static @@ -198,6 +304,12 @@ static MYSQL_THDVAR_BOOL(table_locks, PLUGIN_VAR_OPCMDARG, /* check_func */ NULL, /* update_func */ NULL, /* default */ TRUE); +static MYSQL_THDVAR_BOOL(strict_mode, + PLUGIN_VAR_NOCMDARG, + "Use strict mode when evaluating create options.", + NULL, NULL, FALSE); + + static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root) @@ -595,6 +707,7 @@ convert_error_code_to_mysql( /*========================*/ /* out: MySQL error code */ int error, /* in: InnoDB error code */ + ulint flags, /* in: InnoDB table flags, or 0 */ THD* thd) /* in: user thread handle or NULL */ { switch (error) { @@ -666,6 +779,9 @@ convert_error_code_to_mysql( return(HA_ERR_NO_SUCH_TABLE); case DB_TOO_BIG_RECORD: + my_error(ER_TOO_BIG_ROWSIZE, MYF(0), + page_get_free_space_of_empty(flags + & DICT_TF_COMPACT) / 2); return(HA_ERR_TO_BIG_ROW); case DB_NO_SAVEPOINT: @@ -1537,6 +1653,7 @@ innobase_init( int err; bool ret; char *default_path; + uint format_id; DBUG_ENTER("innobase_init"); handlerton *innobase_hton= (handlerton *)p; @@ -1719,6 +1836,64 @@ innobase_init( goto error; } + /* Validate the file format by animal name */ + if (innobase_file_format_name != NULL) { + + format_id = innobase_file_format_name_lookup( + innobase_file_format_name); + + if (format_id > DICT_TF_FORMAT_MAX) { + + sql_print_error("InnoDB: wrong innodb_file_format."); + + my_free(internal_innobase_data_file_path, + MYF(MY_ALLOW_ZERO_PTR)); + goto error; + } + } else { + /* Set it to the default file format id. Though this + should never happen. */ + format_id = 0; + } + + srv_file_format = format_id; + + /* Given the type of innobase_file_format_name we have little + choice but to cast away the constness from the returned name. + innobase_file_format_name is used in the MySQL set variable + interface and so can't be const. */ + + innobase_file_format_name = + (char*) trx_sys_file_format_id_to_name(format_id); + + /* Process innobase_file_format_check variable */ + ut_a(innobase_file_format_check != NULL); + + /* As a side affect it will set srv_check_file_format_at_startup + on valid input. First we check for "on"/"off". */ + if (!innobase_file_format_check_on_off(innobase_file_format_check)) { + + /* Did the user specify a format name that we support ? + As a side affect it will update the variable + srv_check_file_format_at_startup*/ + if (!innobase_file_format_check_validate( + innobase_file_format_check)) { + + sql_print_error("InnoDB: invalid " + "innodb_file_format_check value: " + "should be either 'on' or 'off' or " + "any value up to %s or its " + "equivalent numeric id", + trx_sys_file_format_id_to_name( + DICT_TF_FORMAT_MAX)); + + my_free(internal_innobase_data_file_path, + MYF(MY_ALLOW_ZERO_PTR)); + + goto error; + } + } + /* --------------------------------------------------*/ srv_file_flush_method_str = innobase_unix_file_flush_method; @@ -1751,7 +1926,6 @@ innobase_init( row_rollback_on_timeout = (ibool) innobase_rollback_on_timeout; - srv_file_per_table = (ibool) innobase_file_per_table; srv_locks_unsafe_for_binlog = (ibool) innobase_locks_unsafe_for_binlog; srv_max_n_open_files = (ulint) innobase_open_files; @@ -1809,6 +1983,9 @@ innobase_init( } #endif /* MYSQL_DYNAMIC_PLUGIN */ + /* Get the current high water mark format. */ + innobase_file_format_check = (char*) trx_sys_file_format_max_get(); + DBUG_RETURN(FALSE); error: DBUG_RETURN(TRUE); @@ -2029,7 +2206,7 @@ retry: } trx->mysql_log_file_name = mysql_bin_log_file_name(); - trx->mysql_log_offset = (ib_longlong) mysql_bin_log_file_pos(); + trx->mysql_log_offset = (ib_int64_t) mysql_bin_log_file_pos(); innobase_commit_low(trx); @@ -2124,7 +2301,7 @@ innobase_rollback( error = trx_rollback_last_sql_stat_for_mysql(trx); } - DBUG_RETURN(convert_error_code_to_mysql(error, NULL)); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } /********************************************************************* @@ -2155,7 +2332,7 @@ innobase_rollback_trx( error = trx_rollback_for_mysql(trx); - DBUG_RETURN(convert_error_code_to_mysql(error, NULL)); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } /********************************************************************* @@ -2171,7 +2348,7 @@ innobase_rollback_to_savepoint( whose transaction should be rolled back */ void* savepoint) /* in: savepoint data */ { - ib_longlong mysql_binlog_cache_pos; + ib_int64_t mysql_binlog_cache_pos; int error = 0; trx_t* trx; char name[64]; @@ -2193,7 +2370,7 @@ innobase_rollback_to_savepoint( error = (int) trx_rollback_to_savepoint_for_mysql(trx, name, &mysql_binlog_cache_pos); - DBUG_RETURN(convert_error_code_to_mysql(error, NULL)); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } /********************************************************************* @@ -2224,7 +2401,7 @@ innobase_release_savepoint( error = (int) trx_release_savepoint_for_mysql(trx, name); - DBUG_RETURN(convert_error_code_to_mysql(error, NULL)); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } /********************************************************************* @@ -2269,9 +2446,9 @@ innobase_savepoint( char name[64]; longlong2str((ulint)savepoint,name,36); - error = (int) trx_savepoint_for_mysql(trx, name, (ib_longlong)0); + error = (int) trx_savepoint_for_mysql(trx, name, (ib_int64_t)0); - DBUG_RETURN(convert_error_code_to_mysql(error, NULL)); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } /********************************************************************* @@ -2329,14 +2506,34 @@ UNIV_INTERN enum row_type ha_innobase::get_row_type() const /*=============================*/ - /* out: ROW_TYPE_REDUNDANT or ROW_TYPE_COMPACT */ + /* out: one of + ROW_TYPE_REDUNDANT, + ROW_TYPE_COMPACT, + ROW_TYPE_COMPRESSED, + ROW_TYPE_DYNAMIC */ { if (prebuilt && prebuilt->table) { - if (dict_table_is_comp(prebuilt->table)) { - return(ROW_TYPE_COMPACT); - } else { + const ulint flags = prebuilt->table->flags; + + if (UNIV_UNLIKELY(!flags)) { return(ROW_TYPE_REDUNDANT); } + + ut_ad(flags & DICT_TF_COMPACT); + + switch (flags & DICT_TF_FORMAT_MASK) { + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: + return(ROW_TYPE_COMPACT); + case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT: + if (flags & DICT_TF_ZSSIZE_MASK) { + return(ROW_TYPE_COMPRESSED); + } else { + return(ROW_TYPE_DYNAMIC); + } +#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX +# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" +#endif + } } ut_ad(0); return(ROW_TYPE_NOT_USED); @@ -2661,12 +2858,20 @@ retry: } } - stats.block_size = 16 * 1024; /* Index block size in InnoDB: used by MySQL - in query optimization */ + /* Index block size in InnoDB: used by MySQL in query optimization */ + stats.block_size = 16 * 1024; /* Init table lock structure */ thr_lock_data_init(&share->lock,&lock,(void*) 0); + if (prebuilt->table) { + /* We update the highest file format in the system table + space, if this table has higher file format setting. */ + + trx_sys_file_format_max_update( + prebuilt->table->flags, &innobase_file_format_check); + } + info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST); DBUG_RETURN(0); @@ -3773,7 +3978,19 @@ no_commit: if (auto_inc > prebuilt->last_value) { set_max_autoinc: ut_a(prebuilt->table->autoinc_increment > 0); - auto_inc += prebuilt->table->autoinc_increment; + + ulonglong have; + ulonglong need; + + /* Check for overflow conditions. */ + need = prebuilt->table->autoinc_increment; + have = ~0x0ULL - auto_inc; + + if (have < need) { + need = have; + } + + auto_inc += need; err = innobase_set_max_autoinc(auto_inc); @@ -3787,7 +4004,8 @@ set_max_autoinc: innodb_srv_conc_exit_innodb(prebuilt->trx); - error = convert_error_code_to_mysql(error, user_thd); + error = convert_error_code_to_mysql(error, prebuilt->table->flags, + user_thd); func_exit: innobase_active_small(); @@ -3966,6 +4184,8 @@ ha_innobase::update_row( ut_a(prebuilt->trx == trx); + ha_statistic_increment(&SSV::ha_update_count); + if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_UPDATE) table->timestamp_field->set_time(); @@ -4019,7 +4239,8 @@ ha_innobase::update_row( innodb_srv_conc_exit_innodb(trx); - error = convert_error_code_to_mysql(error, user_thd); + error = convert_error_code_to_mysql(error, + prebuilt->table->flags, user_thd); if (error == 0 /* success */ && uvect->n_fields == 0 /* no columns were updated */) { @@ -4055,6 +4276,8 @@ ha_innobase::delete_row( ut_a(prebuilt->trx == trx); + ha_statistic_increment(&SSV::ha_delete_count); + /* Only if the table has an AUTOINC column */ if (table->found_next_number_field && record == table->record[0]) { ulonglong dummy = 0; @@ -4094,7 +4317,8 @@ ha_innobase::delete_row( innodb_srv_conc_exit_innodb(trx); error_exit: - error = convert_error_code_to_mysql(error, user_thd); + error = convert_error_code_to_mysql(error, + prebuilt->table->flags, user_thd); /* Tell the InnoDB server that there might be work for utility threads: */ @@ -4429,20 +4653,25 @@ ha_innobase::index_read( ret = DB_UNSUPPORTED; } - if (ret == DB_SUCCESS) { + switch (ret) { + case DB_SUCCESS: error = 0; table->status = 0; - - } else if (ret == DB_RECORD_NOT_FOUND) { + break; + case DB_RECORD_NOT_FOUND: error = HA_ERR_KEY_NOT_FOUND; table->status = STATUS_NOT_FOUND; - - } else if (ret == DB_END_OF_INDEX) { + break; + case DB_END_OF_INDEX: error = HA_ERR_KEY_NOT_FOUND; table->status = STATUS_NOT_FOUND; - } else { - error = convert_error_code_to_mysql((int) ret, user_thd); + break; + default: + error = convert_error_code_to_mysql((int) ret, + prebuilt->table->flags, + user_thd); table->status = STATUS_NOT_FOUND; + break; } DBUG_RETURN(error); @@ -4605,20 +4834,24 @@ ha_innobase::general_fetch( innodb_srv_conc_exit_innodb(prebuilt->trx); - if (ret == DB_SUCCESS) { + switch (ret) { + case DB_SUCCESS: error = 0; table->status = 0; - - } else if (ret == DB_RECORD_NOT_FOUND) { + break; + case DB_RECORD_NOT_FOUND: error = HA_ERR_END_OF_FILE; table->status = STATUS_NOT_FOUND; - - } else if (ret == DB_END_OF_INDEX) { + break; + case DB_END_OF_INDEX: error = HA_ERR_END_OF_FILE; table->status = STATUS_NOT_FOUND; - } else { - error = convert_error_code_to_mysql((int) ret, user_thd); + break; + default: + error = convert_error_code_to_mysql( + (int) ret, prebuilt->table->flags, user_thd); table->status = STATUS_NOT_FOUND; + break; } DBUG_RETURN(error); @@ -4892,24 +5125,6 @@ ha_innobase::position( } } -/********************************************************************* -If it's a DB_TOO_BIG_RECORD error then set a suitable message to -return to the client.*/ -inline -void -innodb_check_for_record_too_big_error( -/*==================================*/ - ulint comp, /* in: ROW_FORMAT: nonzero=COMPACT, 0=REDUNDANT */ - int error) /* in: error code to check */ -{ - if (error == (int)DB_TOO_BIG_RECORD) { - ulint max_row_size - = page_get_free_space_of_empty(comp) / 2; - - my_error(ER_TOO_BIG_ROWSIZE, MYF(0), max_row_size); - } -} - /* limit innodb monitor access to users with PROCESS privilege. See http://bugs.mysql.com/32710 for expl. why we choose PROCESS. */ #define IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(table_name, thd) \ @@ -5030,14 +5245,7 @@ create_table_def( error = row_create_table_for_mysql(table, trx); - innodb_check_for_record_too_big_error(flags & DICT_TF_COMPACT, error); - - if (error == DB_TABLE_ZIP_NO_IBD) { - my_error(ER_ILLEGAL_HA_CREATE_OPTION, MYF(0), - innobase_hton_name, "KEY_BLOCK_SIZE"); - } - - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, flags, NULL); DBUG_RETURN(error); } @@ -5051,6 +5259,7 @@ create_index( trx_t* trx, /* in: InnoDB transaction handle */ TABLE* form, /* in: information on table columns and indexes */ + ulint flags, /* in: InnoDB table flags */ const char* table_name, /* in: table name */ uint key_num) /* in: index number */ { @@ -5087,8 +5296,8 @@ create_index( /* We pass 0 as the space id, and determine at a lower level the space id where to store the table */ - index = dict_mem_index_create((char*) table_name, key->name, 0, - ind_type, n_fields); + index = dict_mem_index_create(table_name, key->name, 0, + ind_type, n_fields); field_lengths = (ulint*) my_malloc(sizeof(ulint) * n_fields, MYF(MY_FAE)); @@ -5159,10 +5368,7 @@ create_index( sure we don't create too long indexes. */ error = row_create_index_for_mysql(index, trx, field_lengths); - innodb_check_for_record_too_big_error(form->s->row_type - != ROW_TYPE_REDUNDANT, error); - - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, flags, NULL); my_free(field_lengths, MYF(0)); @@ -5177,8 +5383,7 @@ int create_clustered_index_when_no_primary( /*===================================*/ trx_t* trx, /* in: InnoDB transaction handle */ - ulint comp, /* in: ROW_FORMAT: - nonzero=COMPACT, 0=REDUNDANT */ + ulint flags, /* in: InnoDB table flags */ const char* table_name) /* in: table name */ { dict_index_t* index; @@ -5192,13 +5397,177 @@ create_clustered_index_when_no_primary( error = row_create_index_for_mysql(index, trx, NULL); - innodb_check_for_record_too_big_error(comp, error); - - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, flags, NULL); return(error); } +/********************************************************************* +Validates the create options. We may build on this function +in future. For now, it checks two specifiers: +KEY_BLOCK_SIZE and ROW_FORMAT +If innodb_strict_mode is not set then this function is a no-op */ +static +ibool +create_options_are_valid( +/*=====================*/ + /* out: TRUE if valid. */ + THD* thd, /* in: connection thread. */ + TABLE* form, /* in: information on table + columns and indexes */ + HA_CREATE_INFO* create_info) /* in: create info. */ +{ + ibool kbs_specified = FALSE; + ibool ret = TRUE; + + + ut_ad(thd != NULL); + + /* If innodb_strict_mode is not set don't do any validation. */ + if (!(THDVAR(thd, strict_mode))) { + return(TRUE); + } + + ut_ad(form != NULL); + ut_ad(create_info != NULL); + + /* First check if KEY_BLOCK_SIZE was specified. */ + if (create_info->key_block_size + || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { + + kbs_specified = TRUE; + switch (create_info->key_block_size) { + case 1: + case 2: + case 4: + case 8: + case 16: + /* Valid value. */ + break; + default: + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: invalid" + " KEY_BLOCK_SIZE = %lu." + " Valid values are" + " [1, 2, 4, 8, 16]", + create_info->key_block_size); + ret = FALSE; + } + } + + /* If KEY_BLOCK_SIZE was specified, check for its + dependencies. */ + if (kbs_specified && !srv_file_per_table) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_per_table."); + ret = FALSE; + } + + if (kbs_specified && srv_file_format < DICT_TF_FORMAT_ZIP) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_format >" + " Antelope."); + ret = FALSE; + } + + /* Now check for ROW_FORMAT specifier. */ + if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { + switch (form->s->row_type) { + const char* row_format_name; + case ROW_TYPE_COMPRESSED: + case ROW_TYPE_DYNAMIC: + row_format_name + = form->s->row_type == ROW_TYPE_COMPRESSED + ? "COMPRESSED" + : "DYNAMIC"; + + /* These two ROW_FORMATs require + srv_file_per_table and srv_file_format */ + if (!srv_file_per_table) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_per_table.", + row_format_name); + ret = FALSE; + + } + + if (srv_file_format < DICT_TF_FORMAT_ZIP) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_format >" + " Antelope.", + row_format_name); + ret = FALSE; + } + + /* Cannot specify KEY_BLOCK_SIZE with + ROW_FORMAT = DYNAMIC. + However, we do allow COMPRESSED to be + specified with KEY_BLOCK_SIZE. */ + if (kbs_specified + && form->s->row_type == ROW_TYPE_DYNAMIC) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: cannot specify" + " ROW_FORMAT = DYNAMIC with" + " KEY_BLOCK_SIZE."); + ret = FALSE; + } + + break; + + case ROW_TYPE_REDUNDANT: + case ROW_TYPE_COMPACT: + case ROW_TYPE_DEFAULT: + /* Default is COMPACT. */ + row_format_name + = form->s->row_type == ROW_TYPE_REDUNDANT + ? "REDUNDANT" + : "COMPACT"; + + /* Cannot specify KEY_BLOCK_SIZE with these + format specifiers. */ + if (kbs_specified) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: cannot specify" + " ROW_FORMAT = %s with" + " KEY_BLOCK_SIZE.", + row_format_name); + ret = FALSE; + } + + break; + + default: + push_warning(thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: invalid ROW_FORMAT specifier."); + ret = FALSE; + + } + } + + return(ret); +} + /********************************************************************* Update create_info. Used in SHOW CREATE TABLE et al. */ UNIV_INTERN @@ -5236,8 +5605,11 @@ ha_innobase::create( char name2[FN_REFLEN]; char norm_name[FN_REFLEN]; THD* thd = ha_thd(); - ib_longlong auto_inc_value; + ib_int64_t auto_inc_value; ulint flags; + /* Cache the value of innodb_file_format, in case it is + modified by another thread while the table is being created. */ + const ulint file_format = srv_file_format; DBUG_ENTER("ha_innobase::create"); @@ -5293,14 +5665,160 @@ ha_innobase::create( flags = 0; - if (form->s->row_type != ROW_TYPE_REDUNDANT) { - flags |= DICT_TF_COMPACT; + /* Validate create options if innodb_strict_mode is set. */ + if (!create_options_are_valid(thd, form, create_info)) { + error = ER_ILLEGAL_HA_CREATE_OPTION; + goto cleanup; + } + if (create_info->key_block_size + || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { switch (create_info->key_block_size) { - case 1: case 2: case 4: case 8: case 16: - flags |= create_info->key_block_size - << DICT_TF_COMPRESSED_SHIFT; + case 1: + flags = 1 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + case 2: + flags = 2 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + case 4: + flags = 3 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + case 8: + flags = 4 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + case 16: + flags = 5 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; +#if DICT_TF_ZSSIZE_MAX != 5 +# error "DICT_TF_ZSSIZE_MAX != 5" +#endif } + + if (!srv_file_per_table) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_per_table."); + flags = 0; + } + + if (file_format < DICT_TF_FORMAT_ZIP) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_format >" + " Antelope."); + flags = 0; + } + + if (!flags) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ignoring" + " KEY_BLOCK_SIZE=%lu.", + create_info->key_block_size); + } + } + + if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { + if (flags) { + /* KEY_BLOCK_SIZE was specified. */ + if (form->s->row_type != ROW_TYPE_COMPRESSED) { + /* ROW_FORMAT other than COMPRESSED + ignores KEY_BLOCK_SIZE. It does not + make sense to reject conflicting + KEY_BLOCK_SIZE and ROW_FORMAT, because + such combinations can be obtained + with ALTER TABLE anyway. */ + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ignoring KEY_BLOCK_SIZE=%lu" + " unless ROW_FORMAT=COMPRESSED.", + create_info->key_block_size); + flags = 0; + } + } else { + /* No KEY_BLOCK_SIZE */ + if (form->s->row_type == ROW_TYPE_COMPRESSED) { + /* ROW_FORMAT=COMPRESSED without + KEY_BLOCK_SIZE implies + KEY_BLOCK_SIZE=8. */ + flags = 4 << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + } + } + + switch (form->s->row_type) { + const char* row_format_name; + case ROW_TYPE_REDUNDANT: + break; + case ROW_TYPE_COMPRESSED: + case ROW_TYPE_DYNAMIC: + row_format_name + = form->s->row_type == ROW_TYPE_COMPRESSED + ? "COMPRESSED" + : "DYNAMIC"; + + if (!srv_file_per_table) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_per_table.", + row_format_name); + } else if (file_format < DICT_TF_FORMAT_ZIP) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_format >" + " Antelope.", + row_format_name); + } else { + flags |= DICT_TF_COMPACT + | (DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT); + break; + } + + /* fall through */ + case ROW_TYPE_NOT_USED: + case ROW_TYPE_FIXED: + default: + push_warning(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: assuming ROW_FORMAT=COMPACT."); + case ROW_TYPE_DEFAULT: + case ROW_TYPE_COMPACT: + flags = DICT_TF_COMPACT; + break; + } + } else if (!flags) { + /* No KEY_BLOCK_SIZE or ROW_FORMAT specified: + use ROW_FORMAT=COMPACT by default. */ + flags = DICT_TF_COMPACT; } error = create_table_def(trx, form, norm_name, @@ -5330,8 +5848,7 @@ ha_innobase::create( by InnoDB */ error = create_clustered_index_when_no_primary( - trx, form->s->row_type != ROW_TYPE_REDUNDANT, - norm_name); + trx, flags, norm_name); if (error) { goto cleanup; } @@ -5340,7 +5857,7 @@ ha_innobase::create( if (primary_key_no != -1) { /* In InnoDB the clustered index must always be created first */ - if ((error = create_index(trx, form, norm_name, + if ((error = create_index(trx, form, flags, norm_name, (uint) primary_key_no))) { goto cleanup; } @@ -5350,7 +5867,8 @@ ha_innobase::create( if (i != (uint) primary_key_no) { - if ((error = create_index(trx, form, norm_name, i))) { + if ((error = create_index(trx, form, flags, norm_name, + i))) { goto cleanup; } } @@ -5361,7 +5879,7 @@ ha_innobase::create( *trx->mysql_query_str, norm_name, create_info->options & HA_LEX_CREATE_TMP_TABLE); - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, flags, NULL); if (error) { goto cleanup; @@ -5382,8 +5900,20 @@ ha_innobase::create( DBUG_ASSERT(innobase_table != 0); - if ((create_info->used_fields & HA_CREATE_USED_AUTO) && - (create_info->auto_increment_value != 0)) { + /* We update the highest file format in the system table + space, if this table has a higher file format setting. */ + + trx_sys_file_format_max_update(flags, &innobase_file_format_check); + + /* Note: We can't call update_thd() as prebuilt will not be + setup at this stage and so we use thd. */ + + /* We need to copy the AUTOINC value from the old table if + this is an ALTER TABLE. */ + + if (((create_info->used_fields & HA_CREATE_USED_AUTO) + || thd_sql_command(thd) == SQLCOM_ALTER_TABLE) + && create_info->auto_increment_value != 0) { /* Query was ALTER TABLE...AUTO_INCREMENT = x; or CREATE TABLE ...AUTO_INCREMENT = x; Find out a table @@ -5446,7 +5976,7 @@ ha_innobase::discard_or_import_tablespace( err = row_import_tablespace_for_mysql(dict_table->name, trx); } - err = convert_error_code_to_mysql(err, NULL); + err = convert_error_code_to_mysql(err, dict_table->flags, NULL); DBUG_RETURN(err); } @@ -5483,7 +6013,8 @@ ha_innobase::delete_all_rows(void) goto fallback; } - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, prebuilt->table->flags, + NULL); DBUG_RETURN(error); } @@ -5572,7 +6103,7 @@ ha_innobase::delete_table( trx_free_for_mysql(trx); - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, 0, NULL); DBUG_RETURN(error); } @@ -5650,13 +6181,6 @@ innobase_drop_database( innobase_commit_low(trx); trx_free_for_mysql(trx); -#ifdef NO_LONGER_INTERESTED_IN_DROP_DB_ERROR - error = convert_error_code_to_mysql(error, NULL); - - return(error); -#else - return; -#endif } /************************************************************************* Renames an InnoDB table. */ @@ -5768,7 +6292,7 @@ ha_innobase::rename_table( innobase_commit_low(trx); trx_free_for_mysql(trx); - error = convert_error_code_to_mysql(error, NULL); + error = convert_error_code_to_mysql(error, 0, NULL); DBUG_RETURN(error); } @@ -5797,7 +6321,7 @@ ha_innobase::records_in_range( + table->s->max_key_length + 100; dtuple_t* range_start; dtuple_t* range_end; - ib_longlong n_rows; + ib_int64_t n_rows; ulint mode1; ulint mode2; mem_heap_t* heap; @@ -6000,7 +6524,7 @@ ha_innobase::info( dict_table_t* ib_table; dict_index_t* index; ha_rows rec_per_key; - ib_longlong n_rows; + ib_int64_t n_rows; ulong j; ulong i; char path[FN_REFLEN]; @@ -6086,6 +6610,13 @@ ha_innobase::info( n_rows++; } + /* Fix bug#29507: TRUNCATE shows too many rows affected. + Do not show the estimates for TRUNCATE command. */ + if (thd_sql_command(user_thd) == SQLCOM_TRUNCATE) { + + n_rows = 0; + } + stats.records = (ha_rows)n_rows; stats.deleted = 0; stats.data_file_length = ((ulonglong) @@ -6096,7 +6627,7 @@ ha_innobase::info( * UNIV_PAGE_SIZE; stats.delete_length = fsp_get_available_space_in_free_extents( - ib_table->space); + ib_table->space) * 1024; stats.check_time = 0; if (stats.records == 0) { @@ -6187,7 +6718,7 @@ ha_innobase::info( } if (flag & HA_STATUS_AUTO && table->found_next_number_field) { - longlong auto_inc; + ulonglong auto_inc; int ret; /* The following function call can the first time fail in @@ -6539,6 +7070,8 @@ ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) foreign->referenced_index->name, strlen(foreign->referenced_index->name), 1); } + else + f_key_info.referenced_key_name= 0; FOREIGN_KEY_INFO *pf_key_info = (FOREIGN_KEY_INFO *) thd_memdup(thd, &f_key_info, sizeof(FOREIGN_KEY_INFO)); @@ -6902,7 +7435,7 @@ ha_innobase::external_lock( if (error != DB_SUCCESS) { error = convert_error_code_to_mysql( - (int) error, thd); + (int) error, 0, thd); DBUG_RETURN((int) error); } } @@ -7029,7 +7562,8 @@ ha_innobase::transactional_table_lock( error = row_lock_table_for_mysql(prebuilt, NULL, 0); if (error != DB_SUCCESS) { - error = convert_error_code_to_mysql((int) error, thd); + error = convert_error_code_to_mysql( + (int) error, prebuilt->table->flags, thd); DBUG_RETURN((int) error); } @@ -7544,9 +8078,9 @@ ha_innobase::innobase_read_and_init_auto_inc( /*=========================================*/ /* out: 0 or generic MySQL error code */ - longlong* value) /* out: the autoinc value */ + ulonglong* value) /* out: the autoinc value */ { - longlong auto_inc; + ulonglong auto_inc; ibool stmt_start; int mysql_error = 0; dict_table_t* innodb_table = prebuilt->table; @@ -7597,7 +8131,9 @@ ha_innobase::innobase_read_and_init_auto_inc( index, autoinc_col_name, &auto_inc); if (error == DB_SUCCESS) { - ++auto_inc; + if (auto_inc < ~0x0ULL) { + ++auto_inc; + } dict_table_autoinc_initialize(innodb_table, auto_inc); } else { ut_print_timestamp(stderr); @@ -7650,14 +8186,14 @@ ha_innobase::innobase_get_auto_increment( error = innobase_autoinc_lock(); if (error == DB_SUCCESS) { - ib_longlong autoinc; + ulonglong autoinc; /* Determine the first value of the interval */ autoinc = dict_table_autoinc_read(prebuilt->table); /* We need to initialize the AUTO-INC value, for that we release all locks.*/ - if (autoinc <= 0) { + if (autoinc == 0) { trx_t* trx; trx = prebuilt->trx; @@ -7676,14 +8212,11 @@ ha_innobase::innobase_get_auto_increment( mysql_error = innobase_read_and_init_auto_inc( &autoinc); - if (!mysql_error) { - /* Should have read the proper value */ - ut_a(autoinc > 0); - } else { + if (mysql_error) { error = DB_ERROR; } } else { - *value = (ulonglong) autoinc; + *value = autoinc; } /* A deadlock error during normal processing is OK and can be ignored. */ @@ -7768,10 +8301,19 @@ ha_innobase::get_auto_increment( /* With old style AUTOINC locking we only update the table's AUTOINC counter after attempting to insert the row. */ if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { + ulonglong have; + ulonglong need; + + /* Check for overflow conditions. */ + need = *nb_reserved_values * increment; + have = ~0x0ULL - *first_value; + + if (have < need) { + need = have; + } /* Compute the last value in the interval */ - prebuilt->last_value = *first_value + - (*nb_reserved_values * increment); + prebuilt->last_value = *first_value + need; ut_a(prebuilt->last_value >= *first_value); @@ -7808,7 +8350,9 @@ ha_innobase::reset_auto_increment( error = row_lock_table_autoinc_for_mysql(prebuilt); if (error != DB_SUCCESS) { - error = convert_error_code_to_mysql(error, user_thd); + error = convert_error_code_to_mysql(error, + prebuilt->table->flags, + user_thd); DBUG_RETURN(error); } @@ -7941,7 +8485,7 @@ UNIV_INTERN ulonglong ha_innobase::get_mysql_bin_log_pos() { - /* trx... is ib_longlong, which is a typedef for a 64-bit integer + /* trx... is ib_int64_t, which is a typedef for a 64-bit integer (__int64 or longlong) so it's ok to cast it to ulonglong. */ return(trx_sys_mysql_bin_log_pos); @@ -8265,15 +8809,287 @@ ha_innobase::check_if_incompatible_data( } /* Check that row format didn't change */ - if ((info->used_fields & HA_CREATE_USED_AUTO) && - get_row_type() != info->row_type) { + if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) && + get_row_type() != info->row_type) { return(COMPATIBLE_DATA_NO); } + /* Specifying KEY_BLOCK_SIZE requests a rebuild of the table. */ + if (info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE) { + return(COMPATIBLE_DATA_NO); + } + return(COMPATIBLE_DATA_YES); } +/**************************************************************** +Validate the file format name and return its corresponding id. */ +static +uint +innobase_file_format_name_lookup( +/*=============================*/ + /* out: valid file format id*/ + const char* format_name) /* in: pointer to file format name */ +{ + char* endp; + uint format_id; + + ut_a(format_name != NULL); + + /* The format name can contain the format id itself instead of + the name and we check for that. */ + format_id = (uint) strtoul(format_name, &endp, 10); + + /* Check for valid parse. */ + if (*endp == '\0' && *format_name != '\0') { + + if (format_id <= DICT_TF_FORMAT_MAX) { + + return(format_id); + } + } else { + + for (format_id = 0; format_id <= DICT_TF_FORMAT_MAX; + format_id++) { + const char* name; + + name = trx_sys_file_format_id_to_name(format_id); + + if (!innobase_strcasecmp(format_name, name)) { + + return(format_id); + } + } + } + + return(DICT_TF_FORMAT_MAX + 1); +} + +/**************************************************************** +Validate the file format check value, is it one of "on" or "off", +as a side affect it sets the srv_check_file_format_at_startup variable. */ +static +bool +innobase_file_format_check_on_off( +/*==============================*/ + /* out: true if config value one + of "on" or "off" */ + const char* format_check) /* in: parameter value */ +{ + bool ret = true; + + if (!innobase_strcasecmp(format_check, "off")) { + + /* Set the value to disable checking. */ + srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX + 1; + + } else if (!innobase_strcasecmp(format_check, "on")) { + + /* Set the value to the lowest supported format. */ + srv_check_file_format_at_startup = DICT_TF_FORMAT_51; + } else { + ret = FALSE; + } + + return(ret); +} + +/**************************************************************** +Validate the file format check config parameters, as a side affect it +sets the srv_check_file_format_at_startup variable. */ +static +bool +innobase_file_format_check_validate( +/*================================*/ + /* out: true if valid config value */ + const char* format_check) /* in: parameter value */ +{ + uint format_id; + bool ret = true; + + format_id = innobase_file_format_name_lookup(format_check); + + if (format_id < DICT_TF_FORMAT_MAX + 1) { + srv_check_file_format_at_startup = format_id; + } else { + ret = false; + } + + return(ret); +} + +/***************************************************************** +Check if it is a valid file format. This function is registered as +a callback with MySQL. */ +static +int +innodb_file_format_name_validate( +/*=============================*/ + /* out: 0 for valid file + format */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value) /* in: incoming string */ +{ + const char* file_format_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + + ut_a(save != NULL); + ut_a(value != NULL); + + file_format_input = value->val_str(value, buff, &len); + + if (file_format_input != NULL) { + uint format_id; + + format_id = innobase_file_format_name_lookup( + file_format_input); + + if (format_id <= DICT_TF_FORMAT_MAX) { + + *(uint*) save = format_id; + return(0); + } + } + + return(1); +} + +/******************************************************************** +Update the system variable innodb_file_format using the "saved" +value. This function is registered as a callback with MySQL. */ +static +bool +innodb_file_format_name_update( +/*===========================*/ + /* out: should never + fail since it is + already validated */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr, /* out: where the + formal string goes */ + void* save) /* in: immediate result + from check function */ +{ + ut_a(var_ptr != NULL); + ut_a(save != NULL); + ut_a((*(uint*) save) <= DICT_TF_FORMAT_MAX); + + srv_file_format = *(uint*) save; + + /* Given the type of var_ptr we have little choice but to cast + away the constness from the returned name. */ + (*(char**) var_ptr) = + (char*) trx_sys_file_format_id_to_name(srv_file_format); + + return(true); +} + +/***************************************************************** +Check if valid argument to innodb_file_format_check. This +function is registered as a callback with MySQL. */ +static +int +innodb_file_format_check_validate( +/*==============================*/ + /* out: 0 for valid file + format */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value) /* in: incoming string */ +{ + const char* file_format_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + + ut_a(save != NULL); + ut_a(value != NULL); + + file_format_input = value->val_str(value, buff, &len); + + if (file_format_input != NULL) { + + /* Check if user set on/off, we want to print a suitable + message if they did so. */ + + if (innobase_file_format_check_on_off(file_format_input)) { + sql_print_warning( + "InnoDB: invalid innodb_file_format_check" + "value; on/off can only be set at startup or " + "in the configuration file"); + } else if (innobase_file_format_check_validate( + file_format_input)) { + + uint format_id; + + format_id = innobase_file_format_name_lookup( + file_format_input); + + ut_a(format_id <= DICT_TF_FORMAT_MAX); + + *(uint*) save = format_id; + + return(0); + + } else { + sql_print_warning( + "InnoDB: invalid innodb_file_format_check " + "value; can be any format up to %s " + "or its equivalent numeric id", + trx_sys_file_format_id_to_name( + DICT_TF_FORMAT_MAX)); + } + } + + return(1); +} + +/******************************************************************** +Update the system variable innodb_file_format_check using the "saved" +value. This function is registered as a callback with MySQL. */ +static +bool +innodb_file_format_check_update( +/*============================*/ + /* out: should never + fail since it is + already validated */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr, /* out: where the + formal string goes */ + void* save) /* in: immediate result + from check function */ +{ + uint format_id; + + ut_a(save != NULL); + ut_a(var_ptr != NULL); + + format_id = *(uint*) save; + + /* Update the max format id in the system tablespace. */ + if (trx_sys_file_format_max_set(format_id, (char**) var_ptr)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " [Info] InnoDB: the file format in the system " + "tablespace is now set to %s.\n", *(char**) var_ptr); + } + + return(true); +} + static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) { innodb_export_status(); @@ -8320,11 +9136,24 @@ static MYSQL_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown, ".", NULL, NULL, 1, 0, IF_NETWARE(1,2), 0); -static MYSQL_SYSVAR_BOOL(file_per_table, innobase_file_per_table, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, +static MYSQL_SYSVAR_BOOL(file_per_table, srv_file_per_table, + PLUGIN_VAR_NOCMDARG, "Stores each InnoDB table to an .ibd file in the database dir.", NULL, NULL, FALSE); +static MYSQL_SYSVAR_STR(file_format, innobase_file_format_name, + PLUGIN_VAR_RQCMDARG, + "File format to use for new tables in .ibd files.", + (mysql_var_check_func) &innodb_file_format_name_validate, + (mysql_var_update_func) &innodb_file_format_name_update, "Antelope"); + +static MYSQL_SYSVAR_STR(file_format_check, innobase_file_format_check, + PLUGIN_VAR_OPCMDARG, + "The highest file format in the tablespace.", + (mysql_var_check_func) &innodb_file_format_check_validate, + (mysql_var_update_func) &innodb_file_format_check_update, + "on"); + static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, PLUGIN_VAR_OPCMDARG, "Set to 0 (write and flush once per second)," @@ -8495,6 +9324,10 @@ static MYSQL_SYSVAR_LONG(autoinc_lock_mode, innobase_autoinc_lock_mode, AUTOINC_OLD_STYLE_LOCKING, /* Minimum value */ AUTOINC_NO_LOCKING, 0); /* Maximum value */ +static MYSQL_SYSVAR_STR(version, innodb_version_str, + PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY, + "InnoDB version", NULL, NULL, INNODB_VERSION_STR); + static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(additional_mem_pool_size), MYSQL_SYSVAR(autoextend_increment), @@ -8508,6 +9341,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(fast_shutdown), MYSQL_SYSVAR(file_io_threads), MYSQL_SYSVAR(file_per_table), + MYSQL_SYSVAR(file_format), + MYSQL_SYSVAR(file_format_check), MYSQL_SYSVAR(flush_log_at_trx_commit), MYSQL_SYSVAR(flush_method), MYSQL_SYSVAR(force_recovery), @@ -8531,12 +9366,14 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(replication_delay), MYSQL_SYSVAR(stats_sample), MYSQL_SYSVAR(status_file), + MYSQL_SYSVAR(strict_mode), MYSQL_SYSVAR(support_xa), MYSQL_SYSVAR(sync_spin_loops), MYSQL_SYSVAR(table_locks), MYSQL_SYSVAR(thread_concurrency), MYSQL_SYSVAR(thread_sleep_delay), MYSQL_SYSVAR(autoinc_lock_mode), + MYSQL_SYSVAR(version), NULL }; @@ -8547,6 +9384,45 @@ struct st_mysql_sys_var void* value; }; +struct param_mapping +{ + const char* server; /* Parameter name in the server. */ + const char* plugin; /* Paramater name in the plugin. */ +}; + +/******************************************************************** +Match the parameters from the static and dynamic versions. */ +static +bool +innobase_match_parameter( +/*=====================*/ + /* out: true if names match */ + const char* from_server, /* in: variable name from server */ + const char* from_plugin) /* in: variable name from plugin */ +{ + static const param_mapping param_map[] = { + {"use_adaptive_hash_indexes", "adaptive_hash_index"} + }; + + if (strcmp(from_server, from_plugin) == 0) { + return(true); + } + + const param_mapping* param = param_map; + int n_elems = sizeof(param_map) / sizeof(param_map[0]); + + for (int i = 0; i < n_elems; ++i, ++param) { + + if (strcmp(param->server, from_server) == 0 + && strcmp(param->plugin, from_plugin) == 0) { + + return(true); + } + } + + return(false); +} + /******************************************************************** Copy InnoDB system variables from the static InnoDB to the dynamic plugin. */ @@ -8561,11 +9437,11 @@ innodb_plugin_init(void) # endif switch (builtin_innobase_plugin) { case 0: - return(TRUE); + return(true); case MYSQL_STORAGE_ENGINE_PLUGIN: break; default: - return(FALSE); + return(false); } /* Copy the system variables. */ @@ -8575,30 +9451,24 @@ innodb_plugin_init(void) struct st_mysql_sys_var** w = innobase_system_variables; for (; *v; v++, w++) { - if (UNIV_UNLIKELY(!*w)) { + if (!*w) { fprintf(stderr, "InnoDB: unknown parameter %s,0x%x\n", (*v)->name, (*v)->flags); - return(FALSE); - } - - if (UNIV_UNLIKELY(strcmp((*v)->name, (*w)->name))) { + return(false); + } else if (!innobase_match_parameter((*v)->name, (*w)->name)) { /* Skip the destination parameter, since it doesn't exist in the source. */ v--; continue; - } - - if (UNIV_UNLIKELY(((*v)->flags ^ (*w)->flags)) - & ~PLUGIN_VAR_READONLY) { + /* Ignore changes that affect the READONLY flag. */ + } else if (((*v)->flags ^ (*w)->flags) & ~PLUGIN_VAR_READONLY) { fprintf(stderr, "InnoDB: parameter mismatch:" " %s,%s,0x%x,0x%x\n", (*v)->name, (*w)->name, (*v)->flags, (*w)->flags); - return(FALSE); - } - - if ((*v)->flags & PLUGIN_VAR_THDLOCAL) { + return(false); + } else if ((*v)->flags & PLUGIN_VAR_THDLOCAL) { /* Do not copy session variables. */ continue; } @@ -8625,7 +9495,7 @@ innodb_plugin_init(void) (*v)->value = (*w)->value; } - return(TRUE); + return(true); } #endif /* MYSQL_DYNAMIC_PLUGIN */ @@ -8639,7 +9509,7 @@ mysql_declare_plugin(innobase) PLUGIN_LICENSE_GPL, innobase_init, /* Plugin Init */ NULL, /* Plugin Deinit */ - 0x0100 /* 1.0 */, + INNODB_VERSION_SHORT, innodb_status_variables_export,/* status variables */ innobase_system_variables, /* system variables */ NULL /* reserved */ @@ -8647,8 +9517,10 @@ mysql_declare_plugin(innobase) i_s_innodb_trx, i_s_innodb_locks, i_s_innodb_lock_waits, -i_s_innodb_zip, -i_s_innodb_zip_reset +i_s_innodb_cmp, +i_s_innodb_cmp_reset, +i_s_innodb_cmpmem, +i_s_innodb_cmpmem_reset mysql_declare_plugin_end; #ifdef UNIV_COMPILE_TEST_FUNCS diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 1950c27a2c7..509e2b65cfc 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -73,7 +73,7 @@ class ha_innobase: public handler void update_thd(); int change_active_index(uint keynr); int general_fetch(uchar* buf, uint direction, uint match_mode); - int innobase_read_and_init_auto_inc(longlong* ret); + int innobase_read_and_init_auto_inc(ulonglong* ret); ulong innobase_autoinc_lock(); ulong innobase_set_max_autoinc(ulonglong auto_inc); ulong innobase_reset_autoinc(ulonglong auto_inc); @@ -263,4 +263,5 @@ convert_error_code_to_mysql( /*========================*/ /* out: MySQL error code */ int error, /* in: InnoDB error code */ + ulint flags, /* in: InnoDB table flags, or 0 */ MYSQL_THD thd); /* in: user thread handle or NULL */ diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index fae19e1a187..fc8bed8a96e 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -720,7 +720,8 @@ err_exit: break; default: error = convert_error_code_to_mysql( - trx->error_state, user_thd); + trx->error_state, innodb_table->flags, + user_thd); } row_mysql_unlock_data_dictionary(trx); @@ -872,7 +873,9 @@ error: } convert_error: - error = convert_error_code_to_mysql(error, user_thd); + error = convert_error_code_to_mysql(error, + innodb_table->flags, + user_thd); } mem_heap_free(heap); @@ -1095,7 +1098,7 @@ ha_innobase::final_drop_index( transaction depends on an index that is being dropped. */ err = convert_error_code_to_mysql( row_merge_lock_table(prebuilt->trx, prebuilt->table, LOCK_X), - user_thd); + prebuilt->table->flags, user_thd); if (UNIV_UNLIKELY(err)) { diff --git a/handler/i_s.cc b/handler/i_s.cc index b924875f649..081abce8198 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -20,9 +20,10 @@ Created July 18, 2007 Vasil Dimov extern "C" { #include "trx0i_s.h" #include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */ -#include "buf0buddy.h" /* for i_s_zip */ +#include "buf0buddy.h" /* for i_s_cmpmem */ #include "buf0buf.h" /* for buf_pool and PAGE_ZIP_MIN_SIZE */ #include "ha_prototypes.h" /* for innobase_convert_name() */ +#include "srv0start.h" /* for srv_was_started */ } static const char plugin_author[] = "Innobase Oy"; @@ -32,6 +33,19 @@ static const char plugin_author[] = "Innobase Oy"; DBUG_RETURN(1); \ } +#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \ +do { \ + if (!srv_was_started) { \ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, \ + ER_CANT_FIND_SYSTEM_REC, \ + "InnoDB: SELECTing from " \ + "INFORMATION_SCHEMA.%s but " \ + "the InnoDB storage engine " \ + "is not installed", plugin_name); \ + DBUG_RETURN(0); \ + } \ +} while (0) + #if !defined __STRICT_ANSI__ && defined __GNUC__ && (__GNUC__) > 2 && !defined __INTEL_COMPILER #define STRUCT_FLD(name, value) name: value #else @@ -330,7 +344,8 @@ fill_innodb_trx_from_cache( } /* trx_weight */ - OK(fields[IDX_TRX_WEIGHT]->store(row->trx_weight)); + OK(fields[IDX_TRX_WEIGHT]->store((longlong) row->trx_weight, + true)); /* trx_mysql_thread_id */ OK(fields[IDX_TRX_MYSQL_THREAD_ID]->store( @@ -408,7 +423,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_trx = /* plugin version (for SHOW PLUGINS) */ /* unsigned int */ - STRUCT_FLD(version, 0x0100 /* 1.0 */), + STRUCT_FLD(version, INNODB_VERSION_SHORT), /* struct st_mysql_show_var* */ STRUCT_FLD(status_vars, NULL), @@ -683,7 +698,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_locks = /* plugin version (for SHOW PLUGINS) */ /* unsigned int */ - STRUCT_FLD(version, 0x0100 /* 1.0 */), + STRUCT_FLD(version, INNODB_VERSION_SHORT), /* struct st_mysql_show_var* */ STRUCT_FLD(status_vars, NULL), @@ -866,7 +881,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits = /* plugin version (for SHOW PLUGINS) */ /* unsigned int */ - STRUCT_FLD(version, 0x0100 /* 1.0 */), + STRUCT_FLD(version, INNODB_VERSION_SHORT), /* struct st_mysql_show_var* */ STRUCT_FLD(status_vars, NULL), @@ -913,6 +928,8 @@ trx_i_s_common_fill_table( table_name = tables->schema_table_name; /* or table_name = tables->schema_table->table_name; */ + RETURN_IF_INNODB_NOT_STARTED(table_name); + /* update the cache */ trx_i_s_cache_start_write(cache); trx_i_s_possibly_fetch_data_into_cache(cache); @@ -980,59 +997,27 @@ trx_i_s_common_fill_table( #endif } -/* Fields of the dynamic table information_schema.innodb_zip. */ -static ST_FIELD_INFO i_s_zip_fields_info[] = +/* Fields of the dynamic table information_schema.innodb_cmp. */ +static ST_FIELD_INFO i_s_cmp_fields_info[] = { - {STRUCT_FLD(field_name, "size"), + {STRUCT_FLD(field_name, "page_size"), STRUCT_FLD(field_length, 5), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Block Size"), + STRUCT_FLD(old_name, "Compressed Page Size"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "used"), - STRUCT_FLD(field_length, 21), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently in Use"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "free"), - STRUCT_FLD(field_length, 21), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently Available"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "relocated"), - STRUCT_FLD(field_length, 21), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Number of Relocations"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "relocated_usec"), - STRUCT_FLD(field_length, 42), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Relocations"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "compressed"), - STRUCT_FLD(field_length, 21), + {STRUCT_FLD(field_name, "compress_ops"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), STRUCT_FLD(old_name, "Total Number of Compressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "compressed_ok"), - STRUCT_FLD(field_length, 21), + {STRUCT_FLD(field_name, "compress_ops_ok"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), @@ -1040,28 +1025,30 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = " Successful Compressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "compressed_usec"), - STRUCT_FLD(field_length, 42), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + {STRUCT_FLD(field_name, "compress_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Compressions"), + STRUCT_FLD(old_name, "Total Duration of Compressions," + " in Seconds"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "decompressed"), - STRUCT_FLD(field_length, 21), + {STRUCT_FLD(field_name, "uncompress_ops"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), STRUCT_FLD(old_name, "Total Number of Decompressions"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - {STRUCT_FLD(field_name, "decompressed_usec"), - STRUCT_FLD(field_length, 42), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + {STRUCT_FLD(field_name, "uncompress_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Decompressions"), + STRUCT_FLD(old_name, "Total Duration of Decompressions," + " in Seconds"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, END_OF_ST_FIELD_INFO @@ -1069,10 +1056,11 @@ static ST_FIELD_INFO i_s_zip_fields_info[] = /*********************************************************************** -Fill the dynamic table information_schema.innodb_zip or innodb_zip_reset. */ +Fill the dynamic table information_schema.innodb_cmp or +innodb_cmp_reset. */ static int -i_s_zip_fill_low( +i_s_cmp_fill_low( /*=============*/ /* out: 0 on success, 1 on failure */ THD* thd, /* in: thread */ @@ -1082,9 +1070,8 @@ i_s_zip_fill_low( { TABLE* table = (TABLE *) tables->table; int status = 0; - uint y = 0; - DBUG_ENTER("i_s_zip_fill_low"); + DBUG_ENTER("i_s_cmp_fill_low"); /* deny access to non-superusers */ if (check_global_access(thd, PROCESS_ACL)) { @@ -1092,52 +1079,294 @@ i_s_zip_fill_low( DBUG_RETURN(0); } - /* Determine log2(PAGE_ZIP_MIN_SIZE / 2 / BUF_BUDDY_LOW). */ - for (uint r = PAGE_ZIP_MIN_SIZE / 2 / BUF_BUDDY_LOW; r >>= 1; y++); + RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); + + for (uint i = 0; i < PAGE_ZIP_NUM_SSIZE - 1; i++) { + page_zip_stat_t* zip_stat = &page_zip_stat[i]; + + table->field[0]->store(PAGE_ZIP_MIN_SIZE << i); + + /* The cumulated counts are not protected by any + mutex. Thus, some operation in page0zip.c could + increment a counter between the time we read it and + clear it. We could introduce mutex protection, but it + could cause a measureable performance hit in + page0zip.c. */ + table->field[1]->store(zip_stat->compressed); + table->field[2]->store(zip_stat->compressed_ok); + table->field[3]->store( + (ulong) (zip_stat->compressed_usec / 1000000)); + table->field[4]->store(zip_stat->decompressed); + table->field[5]->store( + (ulong) (zip_stat->decompressed_usec / 1000000)); + + if (reset) { + memset(zip_stat, 0, sizeof *zip_stat); + } + + if (schema_table_store_record(thd, table)) { + status = 1; + break; + } + } + + DBUG_RETURN(status); +} + +/*********************************************************************** +Fill the dynamic table information_schema.innodb_cmp. */ +static +int +i_s_cmp_fill( +/*=========*/ + /* out: 0 on success, 1 on failure */ + THD* thd, /* in: thread */ + TABLE_LIST* tables, /* in/out: tables to fill */ + COND* cond) /* in: condition (ignored) */ +{ + return(i_s_cmp_fill_low(thd, tables, cond, FALSE)); +} + +/*********************************************************************** +Fill the dynamic table information_schema.innodb_cmp_reset. */ +static +int +i_s_cmp_reset_fill( +/*===============*/ + /* out: 0 on success, 1 on failure */ + THD* thd, /* in: thread */ + TABLE_LIST* tables, /* in/out: tables to fill */ + COND* cond) /* in: condition (ignored) */ +{ + return(i_s_cmp_fill_low(thd, tables, cond, TRUE)); +} + +/*********************************************************************** +Bind the dynamic table information_schema.innodb_cmp. */ +static +int +i_s_cmp_init( +/*=========*/ + /* out: 0 on success */ + void* p) /* in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmp_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmp_fields_info; + schema->fill_table = i_s_cmp_fill; + + DBUG_RETURN(0); +} + +/*********************************************************************** +Bind the dynamic table information_schema.innodb_cmp_reset. */ +static +int +i_s_cmp_reset_init( +/*===============*/ + /* out: 0 on success */ + void* p) /* in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmp_reset_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmp_fields_info; + schema->fill_table = i_s_cmp_reset_fill; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMP"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compression"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmp_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp_reset = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMP_RESET"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compression;" + " reset cumulated counts"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmp_reset_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table information_schema.innodb_cmpmem. */ +static ST_FIELD_INFO i_s_cmpmem_fields_info[] = +{ + {STRUCT_FLD(field_name, "page_size"), + STRUCT_FLD(field_length, 5), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Buddy Block Size"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "pages_used"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently in Use"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "pages_free"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently Available"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "relocation_ops"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Number of Relocations"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "relocation_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Relocations," + " in Seconds"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/*********************************************************************** +Fill the dynamic table information_schema.innodb_cmpmem or +innodb_cmpmem_reset. */ +static +int +i_s_cmpmem_fill_low( +/*================*/ + /* out: 0 on success, 1 on failure */ + THD* thd, /* in: thread */ + TABLE_LIST* tables, /* in/out: tables to fill */ + COND* cond, /* in: condition (ignored) */ + ibool reset) /* in: TRUE=reset cumulated counts */ +{ + TABLE* table = (TABLE *) tables->table; + int status = 0; + + DBUG_ENTER("i_s_cmpmem_fill_low"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); buf_pool_mutex_enter(); for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { + buf_buddy_stat_t* buddy_stat = &buf_buddy_stat[x]; + table->field[0]->store(BUF_BUDDY_LOW << x); - table->field[1]->store(buf_buddy_used[x]); + table->field[1]->store(buddy_stat->used); table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) : 0); - table->field[3]->store(buf_buddy_relocated[x]); - table->field[4]->store(buf_buddy_relocated_duration[x]); + table->field[3]->store((longlong) buddy_stat->relocated, true); + table->field[4]->store( + (ulong) (buddy_stat->relocated_usec / 1000000)); if (reset) { /* This is protected by buf_pool_mutex. */ - buf_buddy_relocated[x] = 0; - buf_buddy_relocated_duration[x] = 0; - } - - if (x > y) { - /* The cumulated counts are not protected by - any mutex. Thus, some operation in page0zip.c - could increment a counter between the time we - read it and clear it. We could introduce - mutex protection, but it could cause a - measureable performance hit in page0zip.c. */ - const uint i = x - y; - table->field[5]->store(page_zip_compress_count[i]); - table->field[6]->store(page_zip_compress_ok[i]); - table->field[7]->store(page_zip_compress_duration[i]); - table->field[8]->store(page_zip_decompress_count[i]); - table->field[9]->store(page_zip_decompress_duration[i]); - if (reset) { - page_zip_compress_count[i] = 0; - page_zip_compress_ok[i] = 0; - page_zip_decompress_count[i] = 0; - page_zip_compress_duration[i] = 0; - page_zip_decompress_duration[i] = 0; - } - } else { - table->field[5]->store(0); - table->field[6]->store(0); - table->field[7]->store(0); - table->field[8]->store(0); - table->field[9]->store(0); + buddy_stat->relocated = 0; + buddy_stat->relocated_usec = 0; } if (schema_table_store_record(thd, table)) { @@ -1151,70 +1380,70 @@ i_s_zip_fill_low( } /*********************************************************************** -Fill the dynamic table information_schema.innodb_zip. */ +Fill the dynamic table information_schema.innodb_cmpmem. */ static int -i_s_zip_fill( -/*=========*/ +i_s_cmpmem_fill( +/*============*/ /* out: 0 on success, 1 on failure */ THD* thd, /* in: thread */ TABLE_LIST* tables, /* in/out: tables to fill */ COND* cond) /* in: condition (ignored) */ { - return(i_s_zip_fill_low(thd, tables, cond, FALSE)); + return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE)); } /*********************************************************************** -Fill the dynamic table information_schema.innodb_zip_reset. */ +Fill the dynamic table information_schema.innodb_cmpmem_reset. */ static int -i_s_zip_reset_fill( -/*===============*/ +i_s_cmpmem_reset_fill( +/*==================*/ /* out: 0 on success, 1 on failure */ THD* thd, /* in: thread */ TABLE_LIST* tables, /* in/out: tables to fill */ COND* cond) /* in: condition (ignored) */ { - return(i_s_zip_fill_low(thd, tables, cond, TRUE)); + return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE)); } /*********************************************************************** -Bind the dynamic table information_schema.innodb_zip. */ +Bind the dynamic table information_schema.innodb_cmpmem. */ static int -i_s_zip_init( -/*=========*/ +i_s_cmpmem_init( +/*============*/ /* out: 0 on success */ void* p) /* in/out: table schema object */ { - DBUG_ENTER("i_s_zip_init"); + DBUG_ENTER("i_s_cmpmem_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - schema->fields_info = i_s_zip_fields_info; - schema->fill_table = i_s_zip_fill; + schema->fields_info = i_s_cmpmem_fields_info; + schema->fill_table = i_s_cmpmem_fill; DBUG_RETURN(0); } /*********************************************************************** -Bind the dynamic table information_schema.innodb_zip_reset. */ +Bind the dynamic table information_schema.innodb_cmpmem_reset. */ static int -i_s_zip_reset_init( -/*===============*/ +i_s_cmpmem_reset_init( +/*==================*/ /* out: 0 on success */ void* p) /* in/out: table schema object */ { - DBUG_ENTER("i_s_zip_reset_init"); + DBUG_ENTER("i_s_cmpmem_reset_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - schema->fields_info = i_s_zip_fields_info; - schema->fill_table = i_s_zip_reset_fill; + schema->fields_info = i_s_cmpmem_fields_info; + schema->fill_table = i_s_cmpmem_reset_fill; DBUG_RETURN(0); } -UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip = +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem = { /* the plugin type (a MYSQL_XXX_PLUGIN value) */ /* int */ @@ -1226,7 +1455,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip = /* plugin name */ /* const char* */ - STRUCT_FLD(name, "INNODB_ZIP"), + STRUCT_FLD(name, "INNODB_CMPMEM"), /* plugin author (for SHOW PLUGINS) */ /* const char* */ @@ -1242,7 +1471,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip = /* the function to invoke when plugin is loaded */ /* int (*)(void*); */ - STRUCT_FLD(init, i_s_zip_init), + STRUCT_FLD(init, i_s_cmpmem_init), /* the function to invoke when plugin is unloaded */ /* int (*)(void*); */ @@ -1250,7 +1479,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip = /* plugin version (for SHOW PLUGINS) */ /* unsigned int */ - STRUCT_FLD(version, 0x0100 /* 1.0 */), + STRUCT_FLD(version, INNODB_VERSION_SHORT), /* struct st_mysql_show_var* */ STRUCT_FLD(status_vars, NULL), @@ -1263,7 +1492,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip = STRUCT_FLD(__reserved1, NULL) }; -UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip_reset = +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset = { /* the plugin type (a MYSQL_XXX_PLUGIN value) */ /* int */ @@ -1275,7 +1504,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip_reset = /* plugin name */ /* const char* */ - STRUCT_FLD(name, "INNODB_ZIP_RESET"), + STRUCT_FLD(name, "INNODB_CMPMEM_RESET"), /* plugin author (for SHOW PLUGINS) */ /* const char* */ @@ -1292,7 +1521,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip_reset = /* the function to invoke when plugin is loaded */ /* int (*)(void*); */ - STRUCT_FLD(init, i_s_zip_reset_init), + STRUCT_FLD(init, i_s_cmpmem_reset_init), /* the function to invoke when plugin is unloaded */ /* int (*)(void*); */ @@ -1300,7 +1529,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_zip_reset = /* plugin version (for SHOW PLUGINS) */ /* unsigned int */ - STRUCT_FLD(version, 0x0100 /* 1.0 */), + STRUCT_FLD(version, INNODB_VERSION_SHORT), /* struct st_mysql_show_var* */ STRUCT_FLD(status_vars, NULL), diff --git a/handler/i_s.h b/handler/i_s.h index ca206d3ca82..1dfb7122b32 100644 --- a/handler/i_s.h +++ b/handler/i_s.h @@ -12,7 +12,9 @@ Created July 18, 2007 Vasil Dimov extern struct st_mysql_plugin i_s_innodb_trx; extern struct st_mysql_plugin i_s_innodb_locks; extern struct st_mysql_plugin i_s_innodb_lock_waits; -extern struct st_mysql_plugin i_s_innodb_zip; -extern struct st_mysql_plugin i_s_innodb_zip_reset; +extern struct st_mysql_plugin i_s_innodb_cmp; +extern struct st_mysql_plugin i_s_innodb_cmp_reset; +extern struct st_mysql_plugin i_s_innodb_cmpmem; +extern struct st_mysql_plugin i_s_innodb_cmpmem_reset; #endif /* i_s_h */ diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index f23786dd806..0024c80e383 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1896,6 +1896,7 @@ ibuf_add_free_page(void) { mtr_t mtr; page_t* header_page; + ulint flags; ulint zip_size; ulint page_no; page_t* page; @@ -1906,7 +1907,8 @@ ibuf_add_free_page(void) /* Acquire the fsp latch before the ibuf header, obeying the latching order */ - mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); header_page = ibuf_header_page_get(&mtr); @@ -1988,6 +1990,7 @@ ibuf_remove_free_page(void) mtr_t mtr; mtr_t mtr2; page_t* header_page; + ulint flags; ulint zip_size; ulint page_no; page_t* page; @@ -1998,7 +2001,8 @@ ibuf_remove_free_page(void) /* Acquire the fsp latch before the ibuf header, obeying the latching order */ - mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &zip_size), &mtr); + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); header_page = ibuf_header_page_get(&mtr); @@ -2169,7 +2173,7 @@ ibuf_get_merge_page_nos( rec_t* rec, /* in: record from which we read up and down in the chain of records */ ulint* space_ids,/* in/out: space id's of the pages */ - ib_longlong* space_versions,/* in/out: tablespace version + ib_int64_t* space_versions,/* in/out: tablespace version timestamps; used to prevent reading in old pages after DISCARD + IMPORT tablespace */ ulint* page_nos,/* in/out: buffer for at least @@ -2343,7 +2347,7 @@ ibuf_contract_ext( btr_pcur_t pcur; ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; - ib_longlong space_versions[IBUF_MAX_N_PAGES_MERGED]; + ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; ulint n_stored; ulint sum_sizes; mtr_t mtr; @@ -2930,7 +2934,7 @@ ibuf_insert_low( ulint err; ibool do_merge; ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; - ib_longlong space_versions[IBUF_MAX_N_PAGES_MERGED]; + ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; ulint n_stored; ulint bits; diff --git a/include/btr0btr.h b/include/btr0btr.h index 3b1fff1fa7c..e1ab4744f48 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -468,12 +468,12 @@ UNIV_INTERN ibool btr_index_rec_validate( /*===================*/ - /* out: TRUE if ok */ - rec_t* rec, /* in: index record */ - dict_index_t* index, /* in: index */ - ibool dump_on_error); /* in: TRUE if the function - should print hex dump of record - and page on error */ + /* out: TRUE if ok */ + const rec_t* rec, /* in: index record */ + const dict_index_t* index, /* in: index */ + ibool dump_on_error); /* in: TRUE if the function + should print hex dump of record + and page on error */ /****************************************************************** Checks the consistency of an index tree. */ UNIV_INTERN diff --git a/include/btr0cur.h b/include/btr0cur.h index 014a511d086..4d50fb47c57 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -422,7 +422,7 @@ btr_cur_parse_del_mark_set_sec_rec( /*********************************************************************** Estimates the number of rows in a given index range. */ UNIV_INTERN -ib_longlong +ib_int64_t btr_estimate_n_rows_in_range( /*=========================*/ /* out: estimated number of rows */ diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 4549cb963c1..5880476a2a2 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -50,15 +50,21 @@ buf_buddy_free( ulint size) /* in: block size, up to UNIV_PAGE_SIZE */ __attribute__((nonnull)); -/** Counts of blocks allocated from the buddy system. +/** Statistics of buddy blocks of a given size. */ +struct buf_buddy_stat_struct { + /** Number of blocks allocated from the buddy system. */ + ulint used; + /** Number of blocks relocated by the buddy system. */ + ib_uint64_t relocated; + /** Total duration of block relocations, in microseconds. */ + ib_uint64_t relocated_usec; +}; + +typedef struct buf_buddy_stat_struct buf_buddy_stat_t; + +/** Statistics of the buddy system, indexed by block size. Protected by buf_pool_mutex. */ -extern ulint buf_buddy_used[BUF_BUDDY_SIZES + 1]; -/** Counts of blocks relocated by the buddy system. -Protected by buf_pool_mutex. */ -extern ib_uint64_t buf_buddy_relocated[BUF_BUDDY_SIZES + 1]; -/** Durations of block relocations. -Protected by buf_pool_mutex. */ -extern ullint buf_buddy_relocated_duration[BUF_BUDDY_SIZES + 1]; +extern buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; #ifndef UNIV_NONINL # include "buf0buddy.ic" diff --git a/include/buf0buf.h b/include/buf0buf.h index 3aa286f5ffb..b439be99c1f 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -916,7 +916,7 @@ buf_page_init_for_read( ulint space, /* in: space id */ ulint zip_size,/* in: compressed page size, or 0 */ ibool unzip, /* in: TRUE=request uncompressed page */ - ib_longlong tablespace_version,/* in: prevents reading from a wrong + ib_int64_t tablespace_version,/* in: prevents reading from a wrong version of the tablespace in case we have done DISCARD + IMPORT */ ulint offset);/* in: page number */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 95f39971809..acd085a2c03 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -278,7 +278,7 @@ buf_page_get_mutex( switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: ut_error; - break; + return(NULL); case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: return(&buf_pool_zip_mutex); diff --git a/include/buf0rea.h b/include/buf0rea.h index c3b40329c71..1a0e178fc24 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -73,7 +73,7 @@ buf_read_ibuf_merge_pages( to get read in, before this function returns */ const ulint* space_ids, /* in: array of space ids */ - const ib_longlong* space_versions,/* in: the spaces must have + const ib_int64_t* space_versions,/* in: the spaces must have this version number (timestamp), otherwise we discard the read; we use this diff --git a/include/db0err.h b/include/db0err.h index bbf57ce1bb2..e899c075164 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -74,8 +74,6 @@ enum db_err { DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY was found to be NULL */ - DB_TABLE_ZIP_NO_IBD, /* trying to create a compressed - table in the system tablespace */ /* The following are partial failure codes */ DB_FAIL = 1000, diff --git a/include/dict0dict.h b/include/dict0dict.h index f08a03dc919..2614ce83188 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -179,12 +179,12 @@ void dict_table_autoinc_initialize( /*==========================*/ dict_table_t* table, /* in/out: table */ - ib_longlong value); /* in: next value to assign to a row */ + ib_uint64_t value); /* in: next value to assign to a row */ /************************************************************************ Reads the next autoinc value (== autoinc counter value), 0 if not yet initialized. */ UNIV_INTERN -ib_longlong +ib_uint64_t dict_table_autoinc_read( /*====================*/ /* out: value for a new row, or 0 */ @@ -198,7 +198,7 @@ dict_table_autoinc_update( /*======================*/ dict_table_t* table, /* in/out: table */ - ib_longlong value); /* in: value which was assigned to a row */ + ib_uint64_t value); /* in: value which was assigned to a row */ /************************************************************************ Release the autoinc lock.*/ UNIV_INTERN @@ -631,6 +631,32 @@ dict_table_is_comp( compact page format */ const dict_table_t* table); /* in: table */ /************************************************************************ +Determine the file format of a table. */ +UNIV_INLINE +ulint +dict_table_get_format( +/*==================*/ + /* out: file format version */ + const dict_table_t* table); /* in: table */ +/************************************************************************ +Set the file format of a table. */ +UNIV_INLINE +void +dict_table_set_format( +/*==================*/ + dict_table_t* table, /* in/out: table */ + ulint format);/* in: file format version */ +/************************************************************************ +Extract the compressed page size from table flags. */ +UNIV_INLINE +ulint +dict_table_flags_to_zip_size( +/*=========================*/ + /* out: compressed page size, + or 0 if not compressed */ + ulint flags) /* in: flags */ + __attribute__((const)); +/************************************************************************ Check whether the table uses the compressed compact page format. */ UNIV_INLINE ulint diff --git a/include/dict0dict.ic b/include/dict0dict.ic index f1ceb1f2a73..e94a96da872 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -349,6 +349,57 @@ dict_table_is_comp( return(UNIV_LIKELY(table->flags & DICT_TF_COMPACT)); } +/************************************************************************ +Determine the file format of a table. */ +UNIV_INLINE +ulint +dict_table_get_format( +/*==================*/ + /* out: file format version */ + const dict_table_t* table) /* in: table */ +{ + ut_ad(table); + + return((table->flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT); +} + +/************************************************************************ +Determine the file format of a table. */ +UNIV_INLINE +void +dict_table_set_format( +/*==================*/ + dict_table_t* table, /* in/out: table */ + ulint format) /* in: file format version */ +{ + ut_ad(table); + + table->flags = (table->flags & ~DICT_TF_FORMAT_MASK) + | (format << DICT_TF_FORMAT_SHIFT); +} + +/************************************************************************ +Extract the compressed page size from table flags. */ +UNIV_INLINE +ulint +dict_table_flags_to_zip_size( +/*=========================*/ + /* out: compressed page size, + or 0 if not compressed */ + ulint flags) /* in: flags */ +{ + ulint zip_size = flags & DICT_TF_ZSSIZE_MASK; + + if (UNIV_UNLIKELY(zip_size)) { + zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) + << (zip_size >> DICT_TF_ZSSIZE_SHIFT)); + + ut_ad(zip_size <= UNIV_PAGE_SIZE); + } + + return(zip_size); +} + /************************************************************************ Check whether the table uses the compressed compact page format. */ UNIV_INLINE @@ -361,8 +412,7 @@ dict_table_zip_size( { ut_ad(table); - return(UNIV_UNLIKELY((table->flags & DICT_TF_COMPRESSED_MASK) - << (10 - DICT_TF_COMPRESSED_SHIFT))); + return(dict_table_flags_to_zip_size(table->flags)); } /************************************************************************ diff --git a/include/dict0mem.h b/include/dict0mem.h index c82612bca96..1cbcbcfe505 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -40,12 +40,32 @@ combination of types */ #define DICT_TABLE_CLUSTER 3 /* this means that the table is really a cluster definition */ #endif -#define DICT_TABLE_COMPRESSED_BASE 0x8000 /* compressed tablespace */ -/* Table flags */ -#define DICT_TF_COMPACT 1 /* compact page format */ -#define DICT_TF_COMPRESSED_MASK 62 /* compressed page size, KiB */ -#define DICT_TF_COMPRESSED_SHIFT 1 +/* Table flags. All unused bits must be 0. */ +#define DICT_TF_COMPACT 1 /* Compact page format. + This must be set for + new file formats + (later than + DICT_TF_FORMAT_51). */ + +/* compressed page size (0=uncompressed, up to 15 compressed sizes) */ +#define DICT_TF_ZSSIZE_SHIFT 1 +#define DICT_TF_ZSSIZE_MASK (15 << DICT_TF_ZSSIZE_SHIFT) +#define DICT_TF_ZSSIZE_MAX (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 1) + + +#define DICT_TF_FORMAT_SHIFT 5 /* file format */ +#define DICT_TF_FORMAT_MASK (127 << DICT_TF_FORMAT_SHIFT) +#define DICT_TF_FORMAT_51 0 /* InnoDB/MySQL up to 5.1 */ +#define DICT_TF_FORMAT_ZIP 1 /* InnoDB plugin for 5.1: + compressed tables, + new BLOB treatment */ +#define DICT_TF_FORMAT_MAX DICT_TF_FORMAT_ZIP + +#define DICT_TF_BITS 6 /* number of flag bits */ +#if (1 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT)) <= DICT_TF_FORMAT_MAX +# error "DICT_TF_BITS is insufficient for DICT_TF_FORMAT_MAX" +#endif /************************************************************************** Creates a table memory object. */ @@ -226,7 +246,7 @@ struct dict_index_struct{ indexes;/* list of indexes of the table */ btr_search_t* search_info; /* info used in optimistic searches */ /*----------------------*/ - ib_longlong* stat_n_diff_key_vals; + ib_int64_t* stat_n_diff_key_vals; /* approximate number of different key values for this index, for each n-column prefix where n <= dict_get_n_unique(index); we @@ -314,6 +334,7 @@ struct dict_table_struct{ unsigned space:32; /* space where the clustered index of the table is placed */ + unsigned flags:DICT_TF_BITS;/* DICT_TF_COMPACT, ... */ unsigned ibd_file_missing:1; /* TRUE if this is in a single-table tablespace and the .ibd file is missing; then @@ -326,7 +347,6 @@ struct dict_table_struct{ TABLESPACE */ unsigned cached:1;/* TRUE if the table object has been added to the dictionary cache */ - unsigned flags:8;/* DICT_TF_COMPACT, ... */ unsigned n_def:10;/* number of columns defined so far */ unsigned n_cols:10;/* number of columns */ dict_col_t* cols; /* array of column descriptions */ @@ -397,7 +417,7 @@ struct dict_table_struct{ unsigned stat_initialized:1; /* TRUE if statistics have been calculated the first time after database startup or table creation */ - ib_longlong stat_n_rows; + ib_int64_t stat_n_rows; /* approximate number of rows in the table; we periodically calculate new estimates */ ulint stat_clustered_index_size; @@ -425,9 +445,9 @@ struct dict_table_struct{ /* TRUE if the autoinc counter has been inited; MySQL gets the init value by executing SELECT MAX(auto inc column) */ - ib_longlong autoinc;/* autoinc counter value to give to the + ib_uint64_t autoinc;/* autoinc counter value to give to the next inserted row */ - ib_longlong autoinc_increment; + ib_int64_t autoinc_increment; /* The increment step of the auto increment column. Value must be greater than or equal to 1 */ diff --git a/include/fil0fil.h b/include/fil0fil.h index 36e48ac4717..534628274e0 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -133,7 +133,7 @@ extern ulint fil_n_pending_tablespace_flushes; /*********************************************************************** Returns the version number of a tablespace, -1 if not found. */ UNIV_INTERN -ib_longlong +ib_int64_t fil_space_get_version( /*==================*/ /* out: version number, -1 if the tablespace does not @@ -214,6 +214,15 @@ fil_space_get_size( /* out: space size, 0 if space not found */ ulint id); /* in: space id */ /*********************************************************************** +Returns the flags of the space. The tablespace must be cached +in the memory cache. */ +UNIV_INTERN +ulint +fil_space_get_flags( +/*================*/ + /* out: flags, ULINT_UNDEFINED if space not found */ + ulint id); /* in: space id */ +/*********************************************************************** Returns the compressed page size of the space, or 0 if the space is not compressed. The tablespace must be cached in the memory cache. */ UNIV_INTERN @@ -397,8 +406,7 @@ fil_create_new_single_table_tablespace( table */ ibool is_temp, /* in: TRUE if a table created with CREATE TEMPORARY TABLE */ - ulint zip_size, /* in: compressed page size, - or 0 if uncompressed tablespace */ + ulint flags, /* in: tablespace flags */ ulint size); /* in: the initial size of the tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ @@ -424,8 +432,7 @@ fil_open_single_table_tablespace( faster (the OS caches them) than accessing the first page of the file */ ulint id, /* in: space id */ - ulint zip_size, /* in: compressed page size, - or 0 if uncompressed tablespace */ + ulint flags, /* in: tablespace flags */ const char* name); /* in: table name in the databasename/tablename format */ /************************************************************************ @@ -479,7 +486,7 @@ fil_tablespace_deleted_or_being_deleted_in_mem( /* out: TRUE if does not exist or is being\ deleted */ ulint id, /* in: space id */ - ib_longlong version);/* in: tablespace_version should be this; if + ib_int64_t version);/* in: tablespace_version should be this; if you pass -1 as the value of this, then this parameter is ignored */ /*********************************************************************** diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index d4b70974bcf..ada805b70bf 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -46,26 +46,25 @@ void fsp_init(void); /*==========*/ /************************************************************************** -Gets the current free limit of a tablespace. The free limit means the -place of the first page which has never been put to the the free list -for allocation. The space above that address is initialized to zero. -Sets also the global variable log_fsp_current_free_limit. */ +Gets the current free limit of the system tablespace. The free limit +means the place of the first page which has never been put to the the +free list for allocation. The space above that address is initialized +to zero. Sets also the global variable log_fsp_current_free_limit. */ UNIV_INTERN ulint -fsp_header_get_free_limit( -/*======================*/ - /* out: free limit in megabytes */ - ulint space); /* in: space id, must be 0 */ -/************************************************************************** -Gets the size of the tablespace from the tablespace header. If we do not -have an auto-extending data file, this should be equal to the size of the -data files. If there is an auto-extending data file, this can be smaller. */ -UNIV_INTERN -ulint -fsp_header_get_tablespace_size( +fsp_header_get_free_limit(void); /*===========================*/ + /* out: free limit in megabytes */ +/************************************************************************** +Gets the size of the system tablespace from the tablespace header. If +we do not have an auto-extending data file, this should be equal to +the size of the data files. If there is an auto-extending data file, +this can be smaller. */ +UNIV_INTERN +ulint +fsp_header_get_tablespace_size(void); +/*================================*/ /* out: size in pages */ - ulint space); /* in: space id, must be 0 */ /************************************************************************** Reads the file space size stored in the header page. */ UNIV_INTERN @@ -83,6 +82,14 @@ fsp_header_get_space_id( /* out: space id, ULINT UNDEFINED if error */ const page_t* page); /* in: first page of a tablespace */ /************************************************************************** +Reads the space flags from the first page of a tablespace. */ +UNIV_INTERN +ulint +fsp_header_get_flags( +/*=================*/ + /* out: flags */ + const page_t* page); /* in: first page of a tablespace */ +/************************************************************************** Reads the compressed page size from the first page of a tablespace. */ UNIV_INTERN ulint @@ -101,8 +108,8 @@ fsp_header_init_fields( /*===================*/ page_t* page, /* in/out: first page in the space */ ulint space_id, /* in: space id */ - ulint zip_size); /* in: compressed page size in bytes; - 0 for uncompressed pages */ + ulint flags); /* in: tablespace flags (FSP_SPACE_FLAGS): + 0, or table->flags if newer than COMPACT */ /************************************************************************** Initializes the space header of a new created space and creates also the insert buffer tree root if space == 0. */ @@ -357,6 +364,7 @@ fseg_validate( /* out: TRUE if ok */ fseg_header_t* header, /* in: segment header */ mtr_t* mtr2); /* in: mtr */ +#ifdef UNIV_BTR_PRINT /*********************************************************************** Writes info of a segment. */ UNIV_INTERN @@ -365,6 +373,7 @@ fseg_print( /*=======*/ fseg_header_t* header, /* in: segment header */ mtr_t* mtr); /* in: mtr */ +#endif /* UNIV_BTR_PRINT */ /* Flags for fsp_reserve_free_extents */ #define FSP_NORMAL 1000000 diff --git a/include/hash0hash.ic b/include/hash0hash.ic index 7fa71f29967..37eb5ec2813 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -70,6 +70,7 @@ hash_get_mutex_no( hash_table_t* table, /* in: hash table */ ulint fold) /* in: fold */ { + ut_ad(ut_is_2pow(table->n_mutexes)); return(ut_2pow_remainder(fold, table->n_mutexes)); } diff --git a/include/log0log.h b/include/log0log.h index 4b2e5e579db..a25efdd2a37 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -46,7 +46,7 @@ ulint log_calc_where_lsn_is( /*==================*/ /* out: log file number */ - ib_longlong* log_file_offset, /* out: offset in that file + ib_int64_t* log_file_offset, /* out: offset in that file (including the header) */ ib_uint64_t first_header_lsn, /* in: first log file start lsn */ @@ -54,7 +54,7 @@ log_calc_where_lsn_is( determine */ ulint n_log_files, /* in: total number of log files */ - ib_longlong log_file_size); /* in: log file size + ib_int64_t log_file_size); /* in: log file size (including the header) */ /**************************************************************** Writes to the log the string given. The log must be released with diff --git a/include/mach0data.ic b/include/mach0data.ic index 037345bb7fa..def5918218e 100644 --- a/include/mach0data.ic +++ b/include/mach0data.ic @@ -287,8 +287,8 @@ mach_write_ull( { ut_ad(b); - mach_write_to_4(b, n >> 32); - mach_write_to_4(b + 4, n); + mach_write_to_4(b, (ulint) (n >> 32)); + mach_write_to_4(b + 4, (ulint) n); } /************************************************************ diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 8bf8ab743fe..645d56c55c5 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -130,8 +130,8 @@ flag value must give the length also! */ /* copy compact record list end to a new created index page */ #define MLOG_COMP_PAGE_REORGANIZE ((byte)46) /* reorganize an index page */ -#define MLOG_ZIP_FILE_CREATE ((byte)47) /* log record about creating a - compressed .ibd file */ +#define MLOG_FILE_CREATE2 ((byte)47) /* log record about creating + an .ibd file, with format */ #define MLOG_ZIP_WRITE_NODE_PTR ((byte)48) /* write the node pointer of a record on a compressed non-leaf B-tree page */ diff --git a/include/os0file.h b/include/os0file.h index 4b0b6919866..00ec1db06a3 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -43,7 +43,7 @@ extern ulint os_n_pending_writes; #ifdef __WIN__ #define os_file_t HANDLE -#define OS_FILE_FROM_FD(fd) _get_osfhandle(fd) +#define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) #else typedef int os_file_t; #define OS_FILE_FROM_FD(fd) fd @@ -159,7 +159,7 @@ bigger than 4000 bytes */ struct os_file_stat_struct{ char name[OS_FILE_MAX_PATH]; /* path to a file */ os_file_type_t type; /* file type */ - ib_longlong size; /* file size */ + ib_int64_t size; /* file size */ time_t ctime; /* creation time */ time_t mtime; /* modification time */ time_t atime; /* access time */ @@ -385,9 +385,9 @@ os_file_get_size( size */ ulint* size_high);/* out: most significant 32 bits of size */ /*************************************************************************** -Gets file size as a 64-bit integer ib_longlong. */ +Gets file size as a 64-bit integer ib_int64_t. */ UNIV_INTERN -ib_longlong +ib_int64_t os_file_get_size_as_iblonglong( /*===========================*/ /* out: size in bytes, -1 if error */ diff --git a/include/os0sync.h b/include/os0sync.h index 5fa05311921..ee25b9fbe87 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -40,7 +40,7 @@ struct os_event_struct { in the signaled state, i.e., a thread does not stop if it tries to wait for this event */ - ib_longlong signal_count; /* this is incremented each time + ib_int64_t signal_count; /* this is incremented each time the event becomes signaled */ pthread_cond_t cond_var; /* condition variable is used in waiting for the event */ @@ -118,7 +118,7 @@ that this thread should not wait in case of an intervening call to os_event_set() between this os_event_reset() and the os_event_wait_low() call. See comments for os_event_wait_low(). */ UNIV_INTERN -ib_longlong +ib_int64_t os_event_reset( /*===========*/ os_event_t event); /* in: event to reset */ @@ -155,7 +155,7 @@ void os_event_wait_low( /*==============*/ os_event_t event, /* in: event to wait */ - ib_longlong reset_sig_count);/* in: zero or the value + ib_int64_t reset_sig_count);/* in: zero or the value returned by previous call of os_event_reset(). */ diff --git a/include/page0types.h b/include/page0types.h index f11b3038bee..23576505000 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -27,6 +27,16 @@ typedef struct page_zip_des_struct page_zip_des_t; but we cannot include page0zip.h from rem0rec.ic, because page0*.h includes rem0rec.h and may include rem0rec.ic. */ +#define PAGE_ZIP_SSIZE_BITS 3 + +#define PAGE_ZIP_MIN_SIZE_SHIFT 10 /* log2 of smallest compressed size */ +#define PAGE_ZIP_MIN_SIZE (1 << PAGE_ZIP_MIN_SIZE_SHIFT) + +#define PAGE_ZIP_NUM_SSIZE (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 2) +#if PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS) +# error "PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS)" +#endif + /* Compressed page descriptor */ struct page_zip_des_struct { @@ -41,23 +51,30 @@ struct page_zip_des_struct unsigned n_blobs:12; /* number of externally stored columns on the page; the maximum is 744 on a 16 KiB page */ - unsigned ssize:3; /* 0 or compressed page size; + unsigned ssize:PAGE_ZIP_SSIZE_BITS; + /* 0 or compressed page size; the size in bytes is PAGE_ZIP_MIN_SIZE << (ssize - 1). */ }; -#define PAGE_ZIP_MIN_SIZE 1024 /* smallest page_zip_des_struct.size */ +/** Compression statistics for a given page size */ +struct page_zip_stat_struct { + /** Number of page compressions */ + ulint compressed; + /** Number of successful page compressions */ + ulint compressed_ok; + /** Number of page decompressions */ + ulint decompressed; + /** Duration of page compressions in microseconds */ + ib_uint64_t compressed_usec; + /** Duration of page decompressions in microseconds */ + ib_uint64_t decompressed_usec; +}; -/** Number of page compressions, indexed by page_zip_des_t::ssize */ -extern ulint page_zip_compress_count[8]; -/** Number of successful page compressions, indexed by page_zip_des_t::ssize */ -extern ulint page_zip_compress_ok[8]; -/** Number of page decompressions, indexed by page_zip_des_t::ssize */ -extern ulint page_zip_decompress_count[8]; -/** Duration of page compressions, indexed by page_zip_des_t::ssize */ -extern ullint page_zip_compress_duration[8]; -/** Duration of page decompressions, indexed by page_zip_des_t::ssize */ -extern ullint page_zip_decompress_duration[8]; +typedef struct page_zip_stat_struct page_zip_stat_t; + +/** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ +extern page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; /************************************************************************** Write data to the compressed page. The data must already be written to diff --git a/include/page0zip.h b/include/page0zip.h index 2fa22eb6897..b8c7208f137 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -104,7 +104,7 @@ ibool page_zip_decompress( /*================*/ /* out: TRUE on success, FALSE on failure */ - page_zip_des_t* page_zip,/* in: data, size; + page_zip_des_t* page_zip,/* in: data, ssize; out: m_start, m_end, m_nonempty, n_blobs */ page_t* page) /* out: uncompressed page, may be trashed */ __attribute__((nonnull)); diff --git a/include/page0zip.ic b/include/page0zip.ic index d5b09d6d16f..fdd88fa97ee 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -107,7 +107,7 @@ page_zip_get_size( return(0); } - size = 512 << page_zip->ssize; + size = (PAGE_ZIP_MIN_SIZE >> 1) << page_zip->ssize; ut_ad(size >= PAGE_ZIP_MIN_SIZE); ut_ad(size <= UNIV_PAGE_SIZE); @@ -188,6 +188,7 @@ page_zip_simple_validate( { ut_ad(page_zip); ut_ad(page_zip->data); + ut_ad(page_zip->ssize < PAGE_ZIP_NUM_SSIZE); ut_ad(page_zip_get_size(page_zip) > PAGE_DATA + PAGE_ZIP_DIR_SLOT_SIZE); ut_ad(page_zip->m_start <= page_zip->m_end); diff --git a/include/row0sel.h b/include/row0sel.h index 04feb4e18c1..a12ca4af5ee 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -181,7 +181,7 @@ row_search_max_autoinc( error code */ dict_index_t* index, /* in: index to search */ const char* col_name, /* in: autoinc column name */ - ib_longlong* value); /* out: AUTOINC value read */ + ib_uint64_t* value); /* out: AUTOINC value read */ /* A structure for caching column values for prefetched rows */ struct sel_buf_struct{ diff --git a/include/row0upd.h b/include/row0upd.h index f7f1883b9f9..29166a2f466 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -62,6 +62,16 @@ upd_field_set_field_no( dict_index_t* index, /* in: index */ trx_t* trx); /* in: transaction */ /************************************************************************* +Returns a field of an update vector by field_no. */ +UNIV_INLINE +const upd_field_t* +upd_get_field_by_field_no( +/*======================*/ + /* out: update vector field, or NULL */ + const upd_t* update, /* in: update vector */ + ulint no) /* in: field_no */ + __attribute__((nonnull, pure)); +/************************************************************************* Writes into the redo log the values of trx id and roll ptr and enough info to determine their positions within a clustered index record. */ UNIV_INTERN @@ -198,14 +208,9 @@ row_upd_index_replace_new_col_vals_index_pos( /* in: if TRUE, limit the replacement to ordering fields of index; note that this does not work for non-clustered indexes. */ - mem_heap_t* heap, /* in: memory heap to which we allocate and - copy the new values, set this as NULL if you - do not want allocation */ - mem_heap_t* ext_heap);/* in: memory heap where to allocate - column prefixes of externally stored - columns, may be NULL if the index - record does not contain externally - stored columns or column prefixes */ + mem_heap_t* heap) /* in: memory heap for allocating and + copying the new values */ + __attribute__((nonnull)); /*************************************************************** Replaces the new column values stored in the update vector to the index entry given. */ @@ -222,14 +227,9 @@ row_upd_index_replace_new_col_vals( const upd_t* update, /* in: an update vector built for the CLUSTERED index so that the field number in an upd_field is the clustered index position */ - mem_heap_t* heap, /* in: memory heap to which we allocate and - copy the new values, set this as NULL if you - do not want allocation */ - mem_heap_t* ext_heap);/* in: memory heap where to allocate - column prefixes of externally stored - columns, may be NULL if the index - record does not contain externally - stored columns or column prefixes */ + mem_heap_t* heap) /* in: memory heap for allocating and + copying the new values */ + __attribute__((nonnull)); /*************************************************************** Replaces the new column values stored in the update vector. */ UNIV_INTERN diff --git a/include/row0upd.ic b/include/row0upd.ic index 99f0c3d652f..03132455e16 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -97,6 +97,29 @@ upd_field_set_field_no( dfield_get_type(&upd_field->new_val)); } +/************************************************************************* +Returns a field of an update vector by field_no. */ +UNIV_INLINE +const upd_field_t* +upd_get_field_by_field_no( +/*======================*/ + /* out: update vector field, or NULL */ + const upd_t* update, /* in: update vector */ + ulint no) /* in: field_no */ +{ + ulint i; + for (i = 0; i < upd_get_n_fields(update); i++) { + const upd_field_t* uf = upd_get_nth_field(update, i); + + if (uf->field_no == no) { + + return(uf); + } + } + + return(NULL); +} + /************************************************************************* Updates the trx id and roll ptr field in a clustered index record when a row is updated or marked deleted. */ diff --git a/include/row0vers.h b/include/row0vers.h index 69972cfc0b3..9c278b0d99a 100644 --- a/include/row0vers.h +++ b/include/row0vers.h @@ -57,7 +57,7 @@ row_vers_old_has_index_entry( ibool also_curr,/* in: TRUE if also rec is included in the versions to search; otherwise only versions prior to it are searched */ - rec_t* rec, /* in: record in the clustered index; the + const rec_t* rec, /* in: record in the clustered index; the caller must have a latch on the page */ mtr_t* mtr, /* in: mtr holding the latch on rec; it will also hold the latch on purge_view */ @@ -72,7 +72,7 @@ ulint row_vers_build_for_consistent_read( /*===============================*/ /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /* in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ @@ -85,7 +85,7 @@ row_vers_build_for_consistent_read( mem_heap_t** offset_heap,/* in/out: memory heap from which the offsets are allocated */ mem_heap_t* in_heap,/* in: memory heap from which the memory for - old_vers is allocated; memory for possible + *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ rec_t** old_vers);/* out, own: old version, or NULL if the @@ -100,7 +100,7 @@ ulint row_vers_build_for_semi_consistent_read( /*====================================*/ /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /* in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ @@ -111,10 +111,10 @@ row_vers_build_for_semi_consistent_read( mem_heap_t** offset_heap,/* in/out: memory heap from which the offsets are allocated */ mem_heap_t* in_heap,/* in: memory heap from which the memory for - old_vers is allocated; memory for possible + *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - rec_t** old_vers);/* out, own: rec, old version, or NULL if the + const rec_t** old_vers);/* out: rec, old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ diff --git a/include/srv0srv.h b/include/srv0srv.h index 0ca7b126ef9..5df29a6372a 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -57,7 +57,15 @@ extern char* srv_data_home; extern char* srv_arch_dir; #endif /* UNIV_LOG_ARCHIVE */ -extern ibool srv_file_per_table; +/* store to its own file each table created by an user; data +dictionary tables are in the system tablespace 0 */ +extern my_bool srv_file_per_table; +/* The file format to use on new *.ibd files. */ +extern ulint srv_file_format; +/* Whether to check file format during startup.*/ +extern ulint srv_check_file_format_at_startup; +/* Place locks to records only i.e. do not use next-key locking except +on duplicate key checking and foreign key checking */ extern ibool srv_locks_unsafe_for_binlog; extern ulint srv_n_data_files; @@ -263,11 +271,7 @@ extern srv_sys_t* srv_sys; /* Alternatives for the file flush option in Unix; see the InnoDB manual about what these mean */ -#define SRV_UNIX_FDATASYNC 1 /* This is the default; it is - currently mapped to a call of - fsync() because fdatasync() seemed - to corrupt files in Linux and - Solaris */ +#define SRV_UNIX_FSYNC 1 /* This is the default */ #define SRV_UNIX_O_DSYNC 2 #define SRV_UNIX_LITTLESYNC 3 #define SRV_UNIX_NOSYNC 4 @@ -541,7 +545,7 @@ struct export_var_struct{ ulint innodb_pages_written; ulint innodb_row_lock_waits; ulint innodb_row_lock_current_waits; - ib_longlong innodb_row_lock_time; + ib_int64_t innodb_row_lock_time; ulint innodb_row_lock_time_avg; ulint innodb_row_lock_time_max; ulint innodb_rows_read; diff --git a/include/srv0start.h b/include/srv0start.h index 12ef0bd7f81..b3135807635 100644 --- a/include/srv0start.h +++ b/include/srv0start.h @@ -91,6 +91,7 @@ extern ibool srv_have_fullfsync; #endif extern ibool srv_is_being_started; +extern ibool srv_was_started; extern ibool srv_startup_is_before_trx_rollback_phase; extern ibool srv_is_being_shut_down; diff --git a/include/sync0sync.h b/include/sync0sync.h index 619fc13e8ba..1af16fd6289 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -389,6 +389,8 @@ or row lock! */ trx_i_s_cache_t::rw_lock */ #define SYNC_TRX_I_S_LAST_READ 1900 /* Used for trx_i_s_cache_t::last_read_mutex */ +#define SYNC_FILE_FORMAT_TAG 1200 /* Used to serialize access to the + file format tag */ #define SYNC_DICT_OPERATION 1001 /* table create, drop, etc. reserve this in X-mode, implicit or backround operations purge, rollback, foreign diff --git a/include/trx0i_s.h b/include/trx0i_s.h index 63c32f4ba41..43c4b8bb436 100644 --- a/include/trx0i_s.h +++ b/include/trx0i_s.h @@ -135,7 +135,7 @@ trx_i_s_cache_end_write( Retrieves the number of used rows in the cache for a given INFORMATION SCHEMA table. */ UNIV_INTERN -ullint +ulint trx_i_s_cache_get_rows_used( /*========================*/ /* out: number of rows */ diff --git a/include/trx0roll.h b/include/trx0roll.h index bfe148267b4..3c0a5214bc2 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -200,7 +200,7 @@ trx_rollback_to_savepoint_for_mysql( otherwise DB_SUCCESS */ trx_t* trx, /* in: transaction handle */ const char* savepoint_name, /* in: savepoint name */ - ib_longlong* mysql_binlog_cache_pos);/* out: the MySQL binlog cache + ib_int64_t* mysql_binlog_cache_pos);/* out: the MySQL binlog cache position corresponding to this savepoint; MySQL needs this information to remove the @@ -218,7 +218,7 @@ trx_savepoint_for_mysql( /* out: always DB_SUCCESS */ trx_t* trx, /* in: transaction handle */ const char* savepoint_name, /* in: savepoint name */ - ib_longlong binlog_cache_pos); /* in: MySQL binlog cache + ib_int64_t binlog_cache_pos); /* in: MySQL binlog cache position corresponding to this connection at the time of the savepoint */ @@ -280,7 +280,7 @@ struct trx_named_savept_struct{ char* name; /* savepoint name */ trx_savept_t savept; /* the undo number corresponding to the savepoint */ - ib_longlong mysql_binlog_cache_pos; + ib_int64_t mysql_binlog_cache_pos; /* the MySQL binlog cache position corresponding to this savepoint, not defined if the MySQL binlogging is not diff --git a/include/trx0sys.h b/include/trx0sys.h index 1ec625bd077..bc1baa0f058 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -31,7 +31,7 @@ up to this position. If .._pos is -1, it means no crash recovery was needed, or there was no master log position info inside InnoDB. */ extern char trx_sys_mysql_master_log_name[]; -extern ib_longlong trx_sys_mysql_master_log_pos; +extern ib_int64_t trx_sys_mysql_master_log_pos; /* If this MySQL server uses binary logging, after InnoDB has been inited and if it has done a crash recovery, we store the binlog file name and position @@ -39,7 +39,7 @@ here. If .._pos is -1, it means there was no binlog position info inside InnoDB. */ extern char trx_sys_mysql_bin_log_name[]; -extern ib_longlong trx_sys_mysql_bin_log_pos; +extern ib_int64_t trx_sys_mysql_bin_log_pos; /* The transaction system */ extern trx_sys_t* trx_sys; @@ -268,7 +268,7 @@ void trx_sys_update_mysql_binlog_offset( /*===============================*/ const char* file_name,/* in: MySQL log file name */ - ib_longlong offset, /* in: position in that log file */ + ib_int64_t offset, /* in: position in that log file */ ulint field, /* in: offset of the MySQL log info field in the trx sys header */ mtr_t* mtr); /* in: mtr */ @@ -298,7 +298,59 @@ UNIV_INTERN void trx_sys_print_mysql_master_log_pos(void); /*====================================*/ - +/********************************************************************* +Initializes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_init(void); +/*==========================*/ +/********************************************************************* +Closes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_close(void); +/*===========================*/ +/********************************************************************* +Get the name representation of the file format from its id. */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + /* out: pointer to the name */ + const uint id); /* in: id of the file format */ +/********************************************************************* +Set the file format tag unconditonally. */ +UNIV_INTERN +ibool +trx_sys_file_format_max_set( +/*===========================*/ + /* out: TRUE if value updated */ + ulint file_format, /* in: file format id */ + char** name); /* out: max format name */ +/********************************************************************* +Get the name representation of the file format from its id. */ +UNIV_INTERN +const char* +trx_sys_file_format_max_get(void); +/*=============================*/ + /* out: pointer to the max format name */ +/********************************************************************* +Check for the max file format tag stored on disk. */ +UNIV_INTERN +ulint +trx_sys_file_format_max_check( +/*==========================*/ + /* out: DB_SUCCESS or error code */ + ulint max_format_id); /* in: the max format id to check */ +/************************************************************************ +Update the file format tag in the tablespace to the max value. */ +UNIV_INTERN +ibool +trx_sys_file_format_max_update( +/*===========================*/ + /* out: TRUE if value updated */ + uint flags, /* in: flags of the table */ + char** name); /* out: max format name */ /* The automatically created system rollback segment has this id */ #define TRX_SYS_SYSTEM_RSEG_ID 0 @@ -397,6 +449,15 @@ this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ #define TRX_SYS_DOUBLEWRITE_BLOCK_SIZE FSP_EXTENT_SIZE +/* The offset of the file format tag on the trx system header page */ +#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) + +/* We use these random constants to reduce the probability of reading +garbage (from previous versions) that maps to an actual format id. We +use these as bit masks at the time of reading and writing from/to disk. */ +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL + /* Doublewrite control struct */ struct trx_doublewrite_struct{ mutex_t mutex; /* mutex protecting the first_free field and diff --git a/include/trx0trx.h b/include/trx0trx.h index d0e3258212b..867a49d72b6 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -559,7 +559,7 @@ struct trx_struct{ contains a pointer to the latest file name; this is NULL if binlog is not used */ - ib_longlong mysql_log_offset;/* if MySQL binlog is used, this field + ib_int64_t mysql_log_offset;/* if MySQL binlog is used, this field contains the end offset of the binlog entry */ os_thread_id_t mysql_thread_id;/* id of the MySQL thread associated diff --git a/include/trx0undo.h b/include/trx0undo.h index 23cead18976..878aec15b29 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -246,6 +246,7 @@ trx_undo_set_state_at_finish( /*=========================*/ /* out: undo log segment header page, x-latched */ + trx_rseg_t* rseg, /* in: rollback segment memory object */ trx_t* trx, /* in: transaction */ trx_undo_t* undo, /* in: undo log memory copy */ mtr_t* mtr); /* in: mtr */ diff --git a/include/univ.i b/include/univ.i index fb061447e78..bcb096b8995 100644 --- a/include/univ.i +++ b/include/univ.i @@ -9,6 +9,28 @@ Created 1/20/1994 Heikki Tuuri #ifndef univ_i #define univ_i +#define INNODB_VERSION_MAJOR 1 +#define INNODB_VERSION_MINOR 0 +#define INNODB_VERSION_BUGFIX 1 + +/* The following is the InnoDB version as shown in +SELECT plugin_version FROM information_schema.plugins; +calculated in in make_version_string() in sql/sql_show.cc like this: +"version >> 8" . "version & 0xff" +because the version is shown with only one dot, we skip the last +component, i.e. we show M.N.P as M.N */ +#define INNODB_VERSION_SHORT \ + (INNODB_VERSION_MAJOR << 8 | INNODB_VERSION_MINOR) + +/* auxiliary macros to help creating the version as string */ +#define __INNODB_VERSION(a, b, c) (#a "." #b "." #c) +#define _INNODB_VERSION(a, b, c) __INNODB_VERSION(a, b, c) + +#define INNODB_VERSION_STR \ + _INNODB_VERSION(INNODB_VERSION_MAJOR, \ + INNODB_VERSION_MINOR, \ + INNODB_VERSION_BUGFIX) + #ifdef MYSQL_DYNAMIC_PLUGIN /* In the dynamic plugin, redefine some externally visible symbols in order not to conflict with the symbols of a builtin InnoDB. */ @@ -254,10 +276,11 @@ typedef long int lint; #endif #ifdef __WIN__ -typedef __int64 ib_longlong; +typedef __int64 ib_int64_t; typedef unsigned __int64 ib_uint64_t; #else -typedef longlong ib_longlong; +/* Note: longlong and ulonglong come from MySQL headers. */ +typedef longlong ib_int64_t; typedef ulonglong ib_uint64_t; #endif diff --git a/include/ut0byte.h b/include/ut0byte.h index aefa6e9faf7..85d4dad1685 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -55,13 +55,13 @@ ut_dulint_get_low( /* out: 32 bits in ulint */ dulint d); /* in: dulint */ /*********************************************************** -Converts a dulint (a struct of 2 ulints) to ib_longlong, which is a 64-bit +Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit integer type. */ UNIV_INLINE -ib_longlong +ib_int64_t ut_conv_dulint_to_longlong( /*=======================*/ - /* out: value in ib_longlong type */ + /* out: value in ib_int64_t type */ dulint d); /* in: dulint */ /*********************************************************** Tests if a dulint is zero. */ @@ -192,28 +192,6 @@ ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high); /*===============================================================*/ #endif /* notdefined */ -/************************************************************ -The following function calculates the value of an integer n rounded -to the least product of align_no which is >= n. align_no has to be a -power of 2. */ -UNIV_INLINE -ulint -ut_calc_align( -/*==========*/ - /* out: rounded value */ - ulint n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number */ -/************************************************************ -The following function calculates the value of an integer n rounded -to the biggest product of align_no which is <= n. align_no has to be a -power of 2. */ -UNIV_INLINE -ulint -ut_calc_align_down( -/*===============*/ - /* out: rounded value */ - ulint n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number */ /************************************************************* The following function rounds up a pointer to the nearest aligned address. */ UNIV_INLINE diff --git a/include/ut0byte.ic b/include/ut0byte.ic index bac5335fb72..80a3dfa2e86 100644 --- a/include/ut0byte.ic +++ b/include/ut0byte.ic @@ -52,17 +52,17 @@ ut_dulint_get_low( } /*********************************************************** -Converts a dulint (a struct of 2 ulints) to ib_longlong, which is a 64-bit +Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit integer type. */ UNIV_INLINE -ib_longlong +ib_int64_t ut_conv_dulint_to_longlong( /*=======================*/ - /* out: value in ib_longlong type */ + /* out: value in ib_int64_t type */ dulint d) /* in: dulint */ { - return((ib_longlong)d.low - + (((ib_longlong)d.high) << 32)); + return((ib_int64_t)d.low + + (((ib_int64_t)d.high) << 32)); } /*********************************************************** @@ -296,24 +296,6 @@ ut_uint64_align_up( return((n + align_1) & ~align_1); } -/************************************************************ -The following function calculates the value of an integer n rounded -to the least product of align_no which is >= n. align_no -has to be a power of 2. */ -UNIV_INLINE -ulint -ut_calc_align( -/*==========*/ - /* out: rounded value */ - ulint n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number */ -{ - ut_ad(align_no > 0); - ut_ad(ut_is_2pow(align_no)); - - return((n + align_no - 1) & ~(align_no - 1)); -} - /************************************************************* The following function rounds up a pointer to the nearest aligned address. */ UNIV_INLINE @@ -333,24 +315,6 @@ ut_align( return((void*)((((ulint)ptr) + align_no - 1) & ~(align_no - 1))); } -/************************************************************ -The following function calculates the value of an integer n rounded -to the biggest product of align_no which is <= n. align_no has to be a -power of 2. */ -UNIV_INLINE -ulint -ut_calc_align_down( -/*===============*/ - /* out: rounded value */ - ulint n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number */ -{ - ut_ad(align_no > 0); - ut_ad(ut_is_2pow(align_no)); - - return(n & ~(align_no - 1)); -} - /************************************************************* The following function rounds down a pointer to the nearest aligned address. */ diff --git a/include/ut0sort.h b/include/ut0sort.h index 02d3772035e..e047927f026 100644 --- a/include/ut0sort.h +++ b/include/ut0sort.h @@ -80,7 +80,7 @@ two elements from the array and returns 1, if the first is bigger, }\ }\ \ - memcpy((ARR) + (LOW), (AUX_ARR) + (LOW),\ + memcpy((void*) ((ARR) + (LOW)), (AUX_ARR) + (LOW),\ ((HIGH) - (LOW)) * sizeof *(ARR));\ }\ diff --git a/include/ut0ut.h b/include/ut0ut.h index 06c0662b560..0a5ceb4b9b0 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -97,30 +97,20 @@ ut_pair_cmp( ulint b1, /* in: more significant part of second pair */ ulint b2); /* in: less significant part of second pair */ /***************************************************************** -Determines if a number is zero or a power of two. -This function is used in assertions or assertion-like tests. */ -UNIV_INLINE -ibool -ut_is_2pow( -/*=======*/ /* out: TRUE if zero or a power of 2 */ - ulint n); /* in: number to be tested */ +Determines if a number is zero or a power of two. */ +#define ut_is_2pow(n) UNIV_LIKELY(!((n) & ((n) - 1))) /***************************************************************** -Calculates fast the remainder when divided by a power of two. */ -UNIV_INLINE -ulint -ut_2pow_remainder( -/*==============*/ /* out: remainder */ - ulint n, /* in: number to be divided */ - ulint m); /* in: divisor; power of 2 */ +Calculates fast the remainder of n/m when m is a power of two. */ +#define ut_2pow_remainder(n, m) ((n) & ((m) - 1)) /***************************************************************** -Calculates fast value rounded to a multiple of a power of 2. */ -UNIV_INLINE -ulint -ut_2pow_round( -/*==========*/ /* out: value of n rounded down to nearest - multiple of m */ - ulint n, /* in: number to be rounded */ - ulint m); /* in: divisor; power of 2 */ +Calculates the biggest multiple of m that is not bigger than n +when m is a power of two. In other words, rounds n down to m * k. */ +#define ut_2pow_round(n, m) ((n) & ~((m) - 1)) +#define ut_calc_align_down(n, m) ut_2pow_round(n, m) +/************************************************************ +Calculates the smallest multiple of m that is not smaller than n +when m is a power of two. In other words, rounds n up to m * k. */ +#define ut_calc_align(n, m) (((n) + ((m) - 1)) & ~((m) - 1)) /***************************************************************** Calculates fast the 2-logarithm of a number, rounded upward to an integer. */ diff --git a/include/ut0ut.ic b/include/ut0ut.ic index 4fb0be0e806..12cd48bb7eb 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -101,47 +101,6 @@ ut_pair_cmp( } } -/***************************************************************** -Determines if a number is zero or a power of two. -This function is used in assertions or assertion-like tests. */ -UNIV_INLINE -ibool -ut_is_2pow( -/*=======*/ /* out: TRUE if zero or a power of 2 */ - ulint n) /* in: number to be tested */ -{ - return(UNIV_LIKELY(!(n & (n - 1)))); -} - -/***************************************************************** -Calculates fast the remainder when divided by a power of two. */ -UNIV_INLINE -ulint -ut_2pow_remainder( -/*==============*/ /* out: remainder */ - ulint n, /* in: number to be divided */ - ulint m) /* in: divisor; power of 2 */ -{ - ut_ad(ut_is_2pow(m)); - - return(n & (m - 1)); -} - -/***************************************************************** -Calculates fast a value rounded to a multiple of a power of 2. */ -UNIV_INLINE -ulint -ut_2pow_round( -/*==========*/ /* out: value of n rounded down to nearest - multiple of m */ - ulint n, /* in: number to be rounded */ - ulint m) /* in: divisor; power of 2 */ -{ - ut_ad(ut_is_2pow(m)); - - return(n & ~(m - 1)); -} - /***************************************************************** Calculates fast the 2-logarithm of a number, rounded upward to an integer. */ diff --git a/innodb.patch b/innodb.patch deleted file mode 100644 index 91edb47518f..00000000000 --- a/innodb.patch +++ /dev/null @@ -1,52 +0,0 @@ -Index: srv/srv0srv.c -=================================================================== ---- srv/srv0srv.c (revision 1010) -+++ srv/srv0srv.c (working copy) -@@ -2183,6 +2182,12 @@ loop: - /* ---- When there is database activity by users, we cycle in this - loop */ - -+ if (UNIV_UNLIKELY(srv_buf_pool_size != srv_buf_pool_old_size)) { -+ srv_main_thread_op_info = "resizing buffer pool"; -+ -+ buf_pool_resize(); -+ } -+ - srv_main_thread_op_info = "reserving kernel mutex"; - - n_ios_very_old = log_sys->n_log_ios + buf_pool->n_pages_read -@@ -2543,6 +2548,12 @@ flush_loop: - master thread to wait for more server activity */ - - suspend_thread: -+ if (UNIV_UNLIKELY(srv_buf_pool_size != srv_buf_pool_old_size)) { -+ srv_main_thread_op_info = "resizing buffer pool"; -+ -+ buf_pool_resize(); -+ } -+ - srv_main_thread_op_info = "suspending"; - - mutex_enter(&kernel_mutex); -@@ -2553,7 +2564,9 @@ suspend_thread: - goto loop; - } - -+#if 0 - event = srv_suspend_thread(); -+#endif - - mutex_exit(&kernel_mutex); - -@@ -2563,7 +2576,11 @@ suspend_thread: - manual also mentions this string in several places. */ - srv_main_thread_op_info = "waiting for server activity"; - -+#if 0 - os_event_wait(event); -+#else -+ os_thread_sleep(1000000); -+#endif - - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - /* This is only extra safety, the thread should exit diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 30072e496b8..aac136cbbee 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -5432,6 +5432,7 @@ lock_get_table( return(lock->un_member.tab_lock.table); default: ut_error; + return(NULL); } } diff --git a/log/log0log.c b/log/log0log.c index 56937590576..64a9c8b78e1 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -333,7 +333,7 @@ log_close(void) ib_uint64_t oldest_lsn; ib_uint64_t lsn; log_t* log = log_sys; - ulint checkpoint_age; + ib_uint64_t checkpoint_age; ut_ad(mutex_own(&(log->mutex))); @@ -505,10 +505,10 @@ log_group_calc_lsn_offset( log_group_t* group) /* in: log group */ { ib_uint64_t gr_lsn; - ib_longlong gr_lsn_size_offset; - ib_longlong difference; - ib_longlong group_size; - ib_longlong offset; + ib_int64_t gr_lsn_size_offset; + ib_int64_t difference; + ib_int64_t group_size; + ib_int64_t offset; ut_ad(mutex_own(&(log_sys->mutex))); @@ -517,16 +517,16 @@ log_group_calc_lsn_offset( gr_lsn = group->lsn; - gr_lsn_size_offset = (ib_longlong) + gr_lsn_size_offset = (ib_int64_t) log_group_calc_size_offset(group->lsn_offset, group); - group_size = (ib_longlong) log_group_get_capacity(group); + group_size = (ib_int64_t) log_group_get_capacity(group); if (lsn >= gr_lsn) { - difference = (ib_longlong) (lsn - gr_lsn); + difference = (ib_int64_t) (lsn - gr_lsn); } else { - difference = (ib_longlong) (gr_lsn - lsn); + difference = (ib_int64_t) (gr_lsn - lsn); difference = difference % group_size; @@ -535,7 +535,7 @@ log_group_calc_lsn_offset( offset = (gr_lsn_size_offset + difference) % group_size; - ut_a(offset < (((ib_longlong) 1) << 32)); /* offset must be < 4 GB */ + ut_a(offset < (((ib_int64_t) 1) << 32)); /* offset must be < 4 GB */ /* fprintf(stderr, "Offset is %lu gr_lsn_offset is %lu difference is %lu\n", @@ -552,7 +552,7 @@ ulint log_calc_where_lsn_is( /*==================*/ /* out: log file number */ - ib_longlong* log_file_offset, /* out: offset in that file + ib_int64_t* log_file_offset, /* out: offset in that file (including the header) */ ib_uint64_t first_header_lsn, /* in: first log file start lsn */ @@ -560,18 +560,18 @@ log_calc_where_lsn_is( determine */ ulint n_log_files, /* in: total number of log files */ - ib_longlong log_file_size) /* in: log file size + ib_int64_t log_file_size) /* in: log file size (including the header) */ { - ib_longlong capacity = log_file_size - LOG_FILE_HDR_SIZE; + ib_int64_t capacity = log_file_size - LOG_FILE_HDR_SIZE; ulint file_no; - ib_longlong add_this_many; + ib_int64_t add_this_many; if (lsn < first_header_lsn) { add_this_many = 1 + (first_header_lsn - lsn) - / (capacity * (ib_longlong)n_log_files); + / (capacity * (ib_int64_t)n_log_files); lsn += add_this_many - * capacity * (ib_longlong)n_log_files; + * capacity * (ib_int64_t)n_log_files; } ut_a(lsn >= first_header_lsn); @@ -2002,9 +2002,9 @@ log_checkpoint_margin(void) /*=======================*/ { log_t* log = log_sys; - ulint age; - ulint checkpoint_age; - ulint advance; + ib_uint64_t age; + ib_uint64_t checkpoint_age; + ib_uint64_t advance; ib_uint64_t oldest_lsn; ibool sync; ibool checkpoint_sync; diff --git a/log/log0recv.c b/log/log0recv.c index 31f3b780b8c..d9a46b074fe 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -300,7 +300,7 @@ recv_truncate_group( ut_memcpy(log_sys->buf, recv_sys->last_block, OS_FILE_LOG_BLOCK_SIZE); log_block_set_data_len(log_sys->buf, - recovered_lsn - start_lsn); + (ulint) (recovered_lsn - start_lsn)); } if (start_lsn >= finish_lsn) { @@ -316,7 +316,7 @@ recv_truncate_group( end_lsn = finish_lsn; } - len = end_lsn - start_lsn; + len = (ulint) (end_lsn - start_lsn); log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); if (end_lsn >= finish_lsn) { @@ -372,7 +372,7 @@ recv_copy_group( log_group_read_log_seg(LOG_RECOVER, log_sys->buf, up_to_date_group, start_lsn, end_lsn); - len = end_lsn - start_lsn; + len = (ulint) (end_lsn - start_lsn); log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); @@ -962,7 +962,7 @@ recv_parse_or_apply_log_rec_body( case MLOG_FILE_CREATE: case MLOG_FILE_RENAME: case MLOG_FILE_DELETE: - case MLOG_ZIP_FILE_CREATE: + case MLOG_FILE_CREATE2: ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0); break; case MLOG_ZIP_WRITE_NODE_PTR: @@ -1802,9 +1802,10 @@ recv_calc_lsn_on_data_add( - LOG_BLOCK_HDR_SIZE; ut_ad(frag_len < OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE - LOG_BLOCK_TRL_SIZE); - lsn_len = len + ((len + frag_len) - / (OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE - - LOG_BLOCK_TRL_SIZE)) + lsn_len = (ulint) len; + lsn_len += (lsn_len + frag_len) + / (OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE + - LOG_BLOCK_TRL_SIZE) * (LOG_BLOCK_HDR_SIZE + LOG_BLOCK_TRL_SIZE); return(lsn + lsn_len); @@ -1989,7 +1990,7 @@ loop: #endif/* UNIV_LOG_DEBUG */ } else if (type == MLOG_FILE_CREATE - || type == MLOG_ZIP_FILE_CREATE + || type == MLOG_FILE_CREATE2 || type == MLOG_FILE_RENAME || type == MLOG_FILE_DELETE) { ut_a(space); diff --git a/mysql-test/have_innodb.inc b/mysql-test/have_innodb.inc index cbffe6a2574..8944cc46f3e 100644 --- a/mysql-test/have_innodb.inc +++ b/mysql-test/have_innodb.inc @@ -1,4 +1,4 @@ disable_query_log; --require r/true.require -select (support = 'YES' or support = 'DEFAULT') as `TRUE` from information_schema.engines where engine = 'innodb'; +select (support = 'YES' or support = 'DEFAULT' or support = 'ENABLED') as `TRUE` from information_schema.engines where engine = 'innodb'; enable_query_log; diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result new file mode 100644 index 00000000000..3078eadf4a5 --- /dev/null +++ b/mysql-test/innodb-autoinc.result @@ -0,0 +1,89 @@ +drop table if exists t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +9223372036854775807 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (127, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +127 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (255, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +255 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (32767, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +32767 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (65535, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +65535 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (8388607, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +8388607 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (16777215, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +16777215 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (2147483647, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +2147483647 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4294967295, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +4294967295 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +9223372036854775807 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (18446744073709551615, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +18446744073709551615 NULL +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test new file mode 100644 index 00000000000..b6bb9c6b0b7 --- /dev/null +++ b/mysql-test/innodb-autoinc.test @@ -0,0 +1,107 @@ +-- source include/have_innodb.inc +# embedded server ignores 'delayed', so skip this +-- source include/not_embedded.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# Bug #34335 +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +## Test AUTOINC overflow +## + +# TINYINT +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (127, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (255, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# SMALLINT +# +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (32767, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (65535, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# MEDIUMINT +# +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (8388607, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (16777215, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# INT +# +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (2147483647, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4294967295, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# BIGINT +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +-- error ER_DUP_ENTRY,1062 +-- warning ER_WARN_DATA_OUT_OF_RANGE,1264 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (18446744073709551615, null); +-- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-zip-master.opt b/mysql-test/innodb-zip-master.opt deleted file mode 100644 index 44eb7ea8230..00000000000 --- a/mysql-test/innodb-zip-master.opt +++ /dev/null @@ -1 +0,0 @@ ---innodb_file_per_table \ No newline at end of file diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index 574632f833a..634f77ddfec 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -1,14 +1,393 @@ +set global innodb_file_per_table=off; +set global innodb_file_format=`0`; +create table t0(a int primary key) engine=innodb row_format=compressed; +Warnings: +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t00(a int primary key) engine=innodb +key_block_size=4 row_format=compressed; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=4. +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t1(a int primary key) engine=innodb row_format=dynamic; +Warnings: +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t2(a int primary key) engine=innodb row_format=redundant; +create table t3(a int primary key) engine=innodb row_format=compact; +create table t4(a int primary key) engine=innodb key_block_size=9; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. +create table t5(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. +set global innodb_file_per_table=on; +create table t6(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. +set global innodb_file_format=`1`; +create table t7(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t8(a int primary key) engine=innodb +key_block_size=1 row_format=fixed; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t9(a int primary key) engine=innodb +key_block_size=1 row_format=compact; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t10(a int primary key) engine=innodb +key_block_size=1 row_format=dynamic; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t11(a int primary key) engine=innodb +key_block_size=1 row_format=compressed; +create table t12(a int primary key) engine=innodb +key_block_size=1; +create table t13(a int primary key) engine=innodb +row_format=compressed; +create table t14(a int primary key) engine=innodb key_block_size=9; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t0 Compact +test t00 Compact +test t1 Compact +test t10 Dynamic +test t11 Compressed +test t12 Compressed +test t13 Compressed +test t14 Compact +test t2 Redundant +test t3 Compact +test t4 Compact +test t5 Redundant +test t6 Redundant +test t7 Redundant +test t8 Compact +test t9 Compact +drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; +alter table t1 key_block_size=0; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. +alter table t1 row_format=dynamic; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Dynamic +alter table t1 row_format=compact; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Compact +alter table t1 row_format=redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Redundant +drop table t1; create table t1(a int not null, b text, index(b(10))) engine=innodb key_block_size=1; -insert into t1 values (1,1); +create table t2(b text)engine=innodb; +insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); +insert into t1 select 1, b from t2; commit; begin; update t1 set b=repeat('B',100); -select a,left(b,40),b=1 is_equal from t1; -a left(b,40) is_equal -1 1 1 +select a,left(b,40) from t1 natural join t2; +a left(b,40) +1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA rollback; -select a,left(b,40),b=1 is_equal from t1; -a left(b,40) is_equal -1 1 1 +select a,left(b,40) from t1 natural join t2; +a left(b,40) +1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Compressed +test t2 Compact +drop table t1,t2; +CREATE TABLE t1( +c TEXT NOT NULL, d TEXT NOT NULL, +PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +INSERT INTO t1 VALUES( +'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~(*,.02468:<>@BDFHJLNPRTVXZ\^`bdfhjlnprtvxz|~)+-/13579;=?ACEGIKMOQSUWY[]_acegikmoqsuwy{}(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(,048<@DHLPTX\`dhlptx|)-159=AEIMQUY]aeimquy}*.26:>BFJNRVZ^bfjnrvz~+/37;?CGKOSW[_cgkosw{(-27CHMRW\afkpuz(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(/6=DKRY`gnu|,3:AHOV]dkry)07>ELSZahov}-4;BIPW^elsz*18?FMT[bipw~.5FNV^fnv~/7?GOW_gow(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=', +'FOXajs|.7@IR[dmv(2HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+ Antelope. +Error 1005 Can't create table 'test.t1' (errno: 1478) +create table t2 (id int primary key) engine = innodb key_block_size = 2; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t3 (id int primary key) engine = innodb key_block_size = 4; +ERROR HY000: Can't create table 'test.t3' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t3' (errno: 1478) +create table t4 (id int primary key) engine = innodb key_block_size = 8; +ERROR HY000: Can't create table 'test.t4' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t4' (errno: 1478) +create table t5 (id int primary key) engine = innodb key_block_size = 16; +ERROR HY000: Can't create table 'test.t5' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t5' (errno: 1478) +create table t6 (id int primary key) engine = innodb row_format = compressed; +ERROR HY000: Can't create table 'test.t6' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t6' (errno: 1478) +create table t7 (id int primary key) engine = innodb row_format = dynamic; +ERROR HY000: Can't create table 'test.t7' (errno: 1478) +show errors; +Level Code Message +Error 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t7' (errno: 1478) +create table t8 (id int primary key) engine = innodb row_format = compact; +create table t9 (id int primary key) engine = innodb row_format = redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t8 Compact +test t9 Redundant +drop table t8, t9; +set global innodb_file_per_table=0; +set global innodb_file_format=Antelope; +set innodb_strict_mode=0; +set global innodb_file_per_table=on; +set global innodb_file_format=`Barracuda`; +set global innodb_file_format_check=`Antelope`; +create table normal_table ( +c1 int +) engine = innodb; +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +create table zip_table ( +c1 int +) engine = innodb key_block_size = 8; +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=`Antelope`; +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +show table status; +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=`Cheetah`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format_check=`on`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format_check=`off`; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +drop table normal_table, zip_table; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index 3002569e5c9..2ddcaa82e25 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -1,11 +1,64 @@ -- source include/have_innodb.inc +let $per_table=`select @@innodb_file_per_table`; +let $format=`select @@innodb_file_format`; +let $mode=`select @@innodb_strict_mode`; +set global innodb_file_per_table=off; +set global innodb_file_format=`0`; + +create table t0(a int primary key) engine=innodb row_format=compressed; +create table t00(a int primary key) engine=innodb +key_block_size=4 row_format=compressed; +create table t1(a int primary key) engine=innodb row_format=dynamic; +create table t2(a int primary key) engine=innodb row_format=redundant; +create table t3(a int primary key) engine=innodb row_format=compact; +create table t4(a int primary key) engine=innodb key_block_size=9; +create table t5(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; + +set global innodb_file_per_table=on; +create table t6(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +set global innodb_file_format=`1`; +create table t7(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +create table t8(a int primary key) engine=innodb +key_block_size=1 row_format=fixed; +create table t9(a int primary key) engine=innodb +key_block_size=1 row_format=compact; +create table t10(a int primary key) engine=innodb +key_block_size=1 row_format=dynamic; +create table t11(a int primary key) engine=innodb +key_block_size=1 row_format=compressed; +create table t12(a int primary key) engine=innodb +key_block_size=1; +create table t13(a int primary key) engine=innodb +row_format=compressed; +create table t14(a int primary key) engine=innodb key_block_size=9; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; + +drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; +alter table t1 key_block_size=0; +alter table t1 row_format=dynamic; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +alter table t1 row_format=compact; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +alter table t1 row_format=redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t1; + create table t1(a int not null, b text, index(b(10))) engine=innodb key_block_size=1; -let $b=`select '1abcdefghijklmnopqrstuvwxyz'+repeat('A',5000)`; +create table t2(b text)engine=innodb; +insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); -eval insert into t1 values (1,$b); +insert into t1 select 1, b from t2; commit; connect (a,localhost,root,,); @@ -16,16 +69,234 @@ begin; update t1 set b=repeat('B',100); connection b; -eval select a,left(b,40),b=$b is_equal from t1; +select a,left(b,40) from t1 natural join t2; connection a; rollback; connection b; -eval select a,left(b,40),b=$b is_equal from t1; +select a,left(b,40) from t1 natural join t2; connection default; disconnect a; disconnect b; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t1,t2; + +# data generated with +CREATE TABLE t1( + c TEXT NOT NULL, d TEXT NOT NULL, + PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; + +# random data generated with +# perl -e 'my $i,$j,$k;for($j=1;$j<19;$j++){for($i=$k=0;$k<87;$k++,$i+=$j,$i%=87){printf "%c",$i+40}}' +# truncated to 2*767 bytes and split to two 767-byte columns +--error ER_TOO_BIG_ROWSIZE +INSERT INTO t1 VALUES( +'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~(*,.02468:<>@BDFHJLNPRTVXZ\^`bdfhjlnprtvxz|~)+-/13579;=?ACEGIKMOQSUWY[]_acegikmoqsuwy{}(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(,048<@DHLPTX\`dhlptx|)-159=AEIMQUY]aeimquy}*.26:>BFJNRVZ^bfjnrvz~+/37;?CGKOSW[_cgkosw{(-27CHMRW\afkpuz(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(/6=DKRY`gnu|,3:AHOV]dkry)07>ELSZahov}-4;BIPW^elsz*18?FMT[bipw~.5FNV^fnv~/7?GOW_gow(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=', +'FOXajs|.7@IR[dmv(2HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+ 0 as data_free_is_set +from information_schema.tables +where table_schema='test' and table_name = 't1'; +table_comment data_free_is_set +this is a comment 1 +drop table t1; +CREATE TABLE t1 ( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, +c2 VARCHAR(128) NOT NULL, +PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; +CREATE TABLE t2 ( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, +c2 INT(10) UNSIGNED DEFAULT NULL, +PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +AUTO_INCREMENT +200 +ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +AUTO_INCREMENT +200 +DROP TABLE t2; +DROP TABLE t1; +CREATE TABLE t1 (c1 int default NULL, +c2 int default NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +TRUNCATE TABLE t1; +affected rows: 0 +INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); +affected rows: 5 +info: Records: 5 Duplicates: 0 Warnings: 0 +TRUNCATE TABLE t1; +affected rows: 0 +DROP TABLE t1; +Variable_name Value +Handler_update 0 +Variable_name Value +Handler_delete 0 +Variable_name Value +Handler_update 1 +Variable_name Value +Handler_delete 1 diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index 6c6345389ad..4b767d9bb39 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -2415,6 +2415,96 @@ DROP TABLE t1; DROP TABLE t2; DISCONNECT c1; DISCONNECT c2; +CONNECTION default; + +# +# Bug #29157 UPDATE, changed rows incorrect +# +create table t1 (i int, j int) engine=innodb; +insert into t1 (i, j) values (1, 1), (2, 2); +--enable_info +update t1 set j = 2; +--disable_info +drop table t1; + +# +# Bug #32440 InnoDB free space info does not appear in SHOW TABLE STATUS or +# I_S +# +create table t1 (id int) comment='this is a comment' engine=innodb; +select table_comment, data_free > 0 as data_free_is_set + from information_schema.tables + where table_schema='test' and table_name = 't1'; +drop table t1; + +# +# Bug 34920 test +# +CONNECTION default; +CREATE TABLE t1 ( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, + c2 VARCHAR(128) NOT NULL, + PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; + +CREATE TABLE t2 ( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, + c2 INT(10) UNSIGNED DEFAULT NULL, + PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; + +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +DROP TABLE t2; +DROP TABLE t1; +# End 34920 test +# +# Bug #29507 TRUNCATE shows to many rows effected +# +CONNECTION default; +CREATE TABLE t1 (c1 int default NULL, + c2 int default NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +--enable_info +TRUNCATE TABLE t1; + +INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); +TRUNCATE TABLE t1; + +--disable_info +DROP TABLE t1; +# +# Bug#35537 Innodb doesn't increment handler_update and handler_delete. +# +-- disable_query_log +-- disable_result_log + +CONNECT (c1,localhost,root,,); + +DROP TABLE IF EXISTS bug35537; +CREATE TABLE bug35537 ( + c1 int +) ENGINE=InnoDB; + +INSERT INTO bug35537 VALUES (1); + +-- enable_result_log + +SHOW SESSION STATUS LIKE 'Handler_update%'; +SHOW SESSION STATUS LIKE 'Handler_delete%'; + +UPDATE bug35537 SET c1 = 2 WHERE c1 = 1; +DELETE FROM bug35537 WHERE c1 = 2; + +SHOW SESSION STATUS LIKE 'Handler_update%'; +SHOW SESSION STATUS LIKE 'Handler_delete%'; + +DROP TABLE bug35537; + +DISCONNECT c1; +CONNECTION default; ####################################################################### # # diff --git a/mysql-test/innodb_bug34053.test b/mysql-test/innodb_bug34053.test index 5fbe09070b8..b935e45c06d 100644 --- a/mysql-test/innodb_bug34053.test +++ b/mysql-test/innodb_bug34053.test @@ -2,6 +2,7 @@ # Make sure http://bugs.mysql.com/34053 remains fixed. # +-- source include/not_embedded.inc -- source include/have_innodb.inc SET storage_engine=InnoDB; diff --git a/mysql-test/innodb_bug34300.result b/mysql-test/innodb_bug34300.result new file mode 100644 index 00000000000..ae9fee81ad7 --- /dev/null +++ b/mysql-test/innodb_bug34300.result @@ -0,0 +1,4 @@ +f4 f8 +xxx zzz +f4 f8 +xxx zzz diff --git a/mysql-test/innodb_bug34300.test b/mysql-test/innodb_bug34300.test new file mode 100644 index 00000000000..4b4a3fdc8a3 --- /dev/null +++ b/mysql-test/innodb_bug34300.test @@ -0,0 +1,30 @@ +# +# Bug#34300 Tinyblob & tinytext fields currupted after export/import and alter in 5.1 +# http://bugs.mysql.com/34300 +# + +-- source include/have_innodb.inc + +-- disable_query_log +-- disable_result_log + +SET @@max_allowed_packet=16777216; + +DROP TABLE IF EXISTS bug34300; +CREATE TABLE bug34300 ( + f4 TINYTEXT, + f6 MEDIUMTEXT, + f8 TINYBLOB +) ENGINE=InnoDB; + +INSERT INTO bug34300 VALUES ('xxx', repeat('a', 8459264), 'zzz'); + +-- enable_result_log + +SELECT f4, f8 FROM bug34300; + +ALTER TABLE bug34300 ADD COLUMN (f10 INT); + +SELECT f4, f8 FROM bug34300; + +DROP TABLE bug34300; diff --git a/mysql-test/innodb_bug35220.result b/mysql-test/innodb_bug35220.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/mysql-test/innodb_bug35220.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/mysql-test/innodb_bug35220.test b/mysql-test/innodb_bug35220.test new file mode 100644 index 00000000000..26f7d6b1ddd --- /dev/null +++ b/mysql-test/innodb_bug35220.test @@ -0,0 +1,16 @@ +# +# Bug#35220 ALTER TABLE too picky on reserved word "foreign" +# http://bugs.mysql.com/35220 +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not produce errors +-- disable_query_log +-- disable_result_log + +CREATE TABLE bug35220 (foreign_col INT, dummy_cant_delete_all_columns INT); +ALTER TABLE bug35220 DROP foreign_col; +DROP TABLE bug35220; diff --git a/mysql-test/innodb_bug36169.result b/mysql-test/innodb_bug36169.result new file mode 100644 index 00000000000..aa80e4d7aa4 --- /dev/null +++ b/mysql-test/innodb_bug36169.result @@ -0,0 +1,2 @@ +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=ON; diff --git a/mysql-test/innodb_bug36169.test b/mysql-test/innodb_bug36169.test new file mode 100644 index 00000000000..e7375900675 --- /dev/null +++ b/mysql-test/innodb_bug36169.test @@ -0,0 +1,1148 @@ +# +# Bug#36169 create innodb compressed table with too large row size crashed +# http://bugs.mysql.com/36169 +# + +-- source include/have_innodb.inc + +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=ON; + +# +# The following is copied from http://bugs.mysql.com/36169 +# (http://bugs.mysql.com/file.php?id=9121) +# Probably it can be simplified but that is not obvious. +# + +# we care only that the following SQL commands do produce errors +# as expected and do not crash the server +-- disable_query_log +-- disable_result_log + +# Generating 10 tables +# Creating a table with 94 columns and 24 indexes +DROP TABLE IF EXISTS `table0`; +CREATE TABLE IF NOT EXISTS `table0` +(`col0` BOOL, +`col1` BOOL, +`col2` TINYINT, +`col3` DATE, +`col4` TIME, +`col5` SET ('test1','test2','test3'), +`col6` TIME, +`col7` TEXT, +`col8` DECIMAL, +`col9` SET ('test1','test2','test3'), +`col10` FLOAT, +`col11` DOUBLE PRECISION, +`col12` ENUM ('test1','test2','test3'), +`col13` TINYBLOB, +`col14` YEAR, +`col15` SET ('test1','test2','test3'), +`col16` NUMERIC, +`col17` NUMERIC, +`col18` BLOB, +`col19` DATETIME, +`col20` DOUBLE PRECISION, +`col21` DECIMAL, +`col22` DATETIME, +`col23` NUMERIC, +`col24` NUMERIC, +`col25` LONGTEXT, +`col26` TINYBLOB, +`col27` TIME, +`col28` TINYBLOB, +`col29` ENUM ('test1','test2','test3'), +`col30` SMALLINT, +`col31` REAL, +`col32` FLOAT, +`col33` CHAR (175), +`col34` TINYTEXT, +`col35` TINYTEXT, +`col36` TINYBLOB, +`col37` TINYBLOB, +`col38` TINYTEXT, +`col39` MEDIUMBLOB, +`col40` TIMESTAMP, +`col41` DOUBLE, +`col42` SMALLINT, +`col43` LONGBLOB, +`col44` VARCHAR (80), +`col45` MEDIUMTEXT, +`col46` NUMERIC, +`col47` BIGINT, +`col48` DATE, +`col49` TINYBLOB, +`col50` DATE, +`col51` BOOL, +`col52` MEDIUMINT, +`col53` FLOAT, +`col54` TINYBLOB, +`col55` LONGTEXT, +`col56` SMALLINT, +`col57` ENUM ('test1','test2','test3'), +`col58` DATETIME, +`col59` MEDIUMTEXT, +`col60` VARCHAR (232), +`col61` NUMERIC, +`col62` YEAR, +`col63` SMALLINT, +`col64` TIMESTAMP, +`col65` BLOB, +`col66` LONGBLOB, +`col67` INT, +`col68` LONGTEXT, +`col69` ENUM ('test1','test2','test3'), +`col70` INT, +`col71` TIME, +`col72` TIMESTAMP, +`col73` TIMESTAMP, +`col74` VARCHAR (170), +`col75` SET ('test1','test2','test3'), +`col76` TINYBLOB, +`col77` BIGINT, +`col78` NUMERIC, +`col79` DATETIME, +`col80` YEAR, +`col81` NUMERIC, +`col82` LONGBLOB, +`col83` TEXT, +`col84` CHAR (83), +`col85` DECIMAL, +`col86` FLOAT, +`col87` INT, +`col88` VARCHAR (145), +`col89` DATE, +`col90` DECIMAL, +`col91` DECIMAL, +`col92` MEDIUMBLOB, +`col93` TIME, +KEY `idx0` (`col69`,`col90`,`col8`), +KEY `idx1` (`col60`), +KEY `idx2` (`col60`,`col70`,`col74`), +KEY `idx3` (`col22`,`col32`,`col72`,`col30`), +KEY `idx4` (`col29`), +KEY `idx5` (`col19`,`col45`(143)), +KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), +KEY `idx7` (`col48`,`col61`), +KEY `idx8` (`col93`), +KEY `idx9` (`col31`), +KEY `idx10` (`col30`,`col21`), +KEY `idx11` (`col67`), +KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), +KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), +KEY `idx14` (`col78`), +KEY `idx15` (`col63`,`col67`,`col64`), +KEY `idx16` (`col17`,`col86`), +KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), +KEY `idx18` (`col62`), +KEY `idx19` (`col31`,`col57`,`col56`,`col53`), +KEY `idx20` (`col46`), +KEY `idx21` (`col83`(54)), +KEY `idx22` (`col51`,`col7`(120)), +KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 10 columns and 32 indexes +DROP TABLE IF EXISTS `table1`; +CREATE TABLE IF NOT EXISTS `table1` +(`col0` CHAR (113), +`col1` FLOAT, +`col2` BIGINT, +`col3` DECIMAL, +`col4` BLOB, +`col5` LONGTEXT, +`col6` SET ('test1','test2','test3'), +`col7` BIGINT, +`col8` BIGINT, +`col9` TINYBLOB, +KEY `idx0` (`col5`(101),`col7`,`col8`), +KEY `idx1` (`col8`), +KEY `idx2` (`col4`(177),`col9`(126),`col6`,`col3`), +KEY `idx3` (`col5`(160)), +KEY `idx4` (`col9`(242)), +KEY `idx5` (`col4`(139),`col2`,`col3`), +KEY `idx6` (`col7`), +KEY `idx7` (`col6`,`col2`,`col0`,`col3`), +KEY `idx8` (`col9`(66)), +KEY `idx9` (`col5`(253)), +KEY `idx10` (`col1`,`col7`,`col2`), +KEY `idx11` (`col9`(242),`col0`,`col8`,`col5`(163)), +KEY `idx12` (`col8`), +KEY `idx13` (`col0`,`col9`(37)), +KEY `idx14` (`col0`), +KEY `idx15` (`col5`(111)), +KEY `idx16` (`col8`,`col0`,`col5`(13)), +KEY `idx17` (`col4`(139)), +KEY `idx18` (`col5`(189),`col2`,`col3`,`col9`(136)), +KEY `idx19` (`col0`,`col3`,`col1`,`col8`), +KEY `idx20` (`col8`), +KEY `idx21` (`col0`,`col7`,`col9`(227),`col3`), +KEY `idx22` (`col0`), +KEY `idx23` (`col2`), +KEY `idx24` (`col3`), +KEY `idx25` (`col2`,`col3`), +KEY `idx26` (`col0`), +KEY `idx27` (`col5`(254)), +KEY `idx28` (`col3`), +KEY `idx29` (`col3`), +KEY `idx30` (`col7`,`col3`,`col0`,`col4`(220)), +KEY `idx31` (`col4`(1),`col0`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 141 columns and 18 indexes +DROP TABLE IF EXISTS `table2`; +CREATE TABLE IF NOT EXISTS `table2` +(`col0` BOOL, +`col1` MEDIUMINT, +`col2` VARCHAR (209), +`col3` MEDIUMBLOB, +`col4` CHAR (13), +`col5` DOUBLE, +`col6` TINYTEXT, +`col7` REAL, +`col8` SMALLINT, +`col9` BLOB, +`col10` TINYINT, +`col11` DECIMAL, +`col12` BLOB, +`col13` DECIMAL, +`col14` LONGBLOB, +`col15` SMALLINT, +`col16` LONGBLOB, +`col17` TINYTEXT, +`col18` FLOAT, +`col19` CHAR (78), +`col20` MEDIUMTEXT, +`col21` SET ('test1','test2','test3'), +`col22` MEDIUMINT, +`col23` INT, +`col24` MEDIUMBLOB, +`col25` ENUM ('test1','test2','test3'), +`col26` TINYBLOB, +`col27` VARCHAR (116), +`col28` TIMESTAMP, +`col29` BLOB, +`col30` SMALLINT, +`col31` DOUBLE PRECISION, +`col32` DECIMAL, +`col33` DECIMAL, +`col34` TEXT, +`col35` MEDIUMINT, +`col36` MEDIUMINT, +`col37` BIGINT, +`col38` VARCHAR (253), +`col39` TINYBLOB, +`col40` MEDIUMBLOB, +`col41` BIGINT, +`col42` DOUBLE, +`col43` TEXT, +`col44` BLOB, +`col45` TIME, +`col46` MEDIUMINT, +`col47` DOUBLE PRECISION, +`col48` SET ('test1','test2','test3'), +`col49` DOUBLE PRECISION, +`col50` VARCHAR (97), +`col51` TEXT, +`col52` NUMERIC, +`col53` ENUM ('test1','test2','test3'), +`col54` MEDIUMTEXT, +`col55` MEDIUMINT, +`col56` DATETIME, +`col57` DATETIME, +`col58` MEDIUMTEXT, +`col59` CHAR (244), +`col60` LONGBLOB, +`col61` MEDIUMBLOB, +`col62` DOUBLE, +`col63` SMALLINT, +`col64` BOOL, +`col65` SMALLINT, +`col66` VARCHAR (212), +`col67` TIME, +`col68` REAL, +`col69` BOOL, +`col70` BIGINT, +`col71` DATE, +`col72` TINYINT, +`col73` ENUM ('test1','test2','test3'), +`col74` DATE, +`col75` TIME, +`col76` DATETIME, +`col77` BOOL, +`col78` TINYTEXT, +`col79` MEDIUMINT, +`col80` NUMERIC, +`col81` LONGTEXT, +`col82` SET ('test1','test2','test3'), +`col83` DOUBLE PRECISION, +`col84` NUMERIC, +`col85` VARCHAR (184), +`col86` DOUBLE PRECISION, +`col87` MEDIUMTEXT, +`col88` MEDIUMBLOB, +`col89` BOOL, +`col90` SMALLINT, +`col91` TINYINT, +`col92` ENUM ('test1','test2','test3'), +`col93` BOOL, +`col94` TIMESTAMP, +`col95` BOOL, +`col96` MEDIUMTEXT, +`col97` DECIMAL, +`col98` BOOL, +`col99` DECIMAL, +`col100` MEDIUMINT, +`col101` DOUBLE PRECISION, +`col102` TINYINT, +`col103` BOOL, +`col104` MEDIUMINT, +`col105` DECIMAL, +`col106` NUMERIC, +`col107` TIMESTAMP, +`col108` MEDIUMBLOB, +`col109` TINYBLOB, +`col110` SET ('test1','test2','test3'), +`col111` YEAR, +`col112` TIMESTAMP, +`col113` CHAR (201), +`col114` BOOL, +`col115` TINYINT, +`col116` DOUBLE, +`col117` TINYINT, +`col118` TIMESTAMP, +`col119` SET ('test1','test2','test3'), +`col120` SMALLINT, +`col121` TINYBLOB, +`col122` TIMESTAMP, +`col123` BLOB, +`col124` DATE, +`col125` SMALLINT, +`col126` ENUM ('test1','test2','test3'), +`col127` MEDIUMBLOB, +`col128` DOUBLE PRECISION, +`col129` REAL, +`col130` VARCHAR (159), +`col131` MEDIUMBLOB, +`col132` BIGINT, +`col133` INT, +`col134` SET ('test1','test2','test3'), +`col135` CHAR (198), +`col136` SET ('test1','test2','test3'), +`col137` MEDIUMTEXT, +`col138` SMALLINT, +`col139` BLOB, +`col140` LONGBLOB, +KEY `idx0` (`col14`(139),`col24`(208),`col38`,`col35`), +KEY `idx1` (`col48`,`col118`,`col29`(131),`col100`), +KEY `idx2` (`col86`,`col67`,`col43`(175)), +KEY `idx3` (`col19`), +KEY `idx4` (`col40`(220),`col67`), +KEY `idx5` (`col99`,`col56`), +KEY `idx6` (`col68`,`col28`,`col137`(157)), +KEY `idx7` (`col51`(160),`col99`,`col45`,`col39`(9)), +KEY `idx8` (`col15`,`col52`,`col90`,`col94`), +KEY `idx9` (`col24`(3),`col139`(248),`col108`(118),`col41`), +KEY `idx10` (`col36`,`col92`,`col114`), +KEY `idx11` (`col115`,`col9`(116)), +KEY `idx12` (`col130`,`col93`,`col134`), +KEY `idx13` (`col123`(65)), +KEY `idx14` (`col44`(90),`col86`,`col119`), +KEY `idx15` (`col69`), +KEY `idx16` (`col132`,`col81`(118),`col18`), +KEY `idx17` (`col24`(250),`col7`,`col92`,`col45`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 199 columns and 1 indexes +DROP TABLE IF EXISTS `table3`; +CREATE TABLE IF NOT EXISTS `table3` +(`col0` SMALLINT, +`col1` SET ('test1','test2','test3'), +`col2` TINYTEXT, +`col3` DOUBLE, +`col4` NUMERIC, +`col5` DATE, +`col6` BIGINT, +`col7` DOUBLE, +`col8` TEXT, +`col9` INT, +`col10` REAL, +`col11` TINYINT, +`col12` NUMERIC, +`col13` NUMERIC, +`col14` TIME, +`col15` DOUBLE, +`col16` REAL, +`col17` MEDIUMBLOB, +`col18` YEAR, +`col19` TINYTEXT, +`col20` YEAR, +`col21` CHAR (250), +`col22` TINYINT, +`col23` TINYINT, +`col24` SMALLINT, +`col25` DATETIME, +`col26` MEDIUMINT, +`col27` LONGBLOB, +`col28` VARCHAR (106), +`col29` FLOAT, +`col30` MEDIUMTEXT, +`col31` TINYBLOB, +`col32` BIGINT, +`col33` YEAR, +`col34` REAL, +`col35` MEDIUMBLOB, +`col36` LONGTEXT, +`col37` LONGBLOB, +`col38` BIGINT, +`col39` FLOAT, +`col40` TIME, +`col41` DATETIME, +`col42` BOOL, +`col43` BIGINT, +`col44` SMALLINT, +`col45` TIME, +`col46` DOUBLE PRECISION, +`col47` TIME, +`col48` TINYTEXT, +`col49` DOUBLE PRECISION, +`col50` BIGINT, +`col51` NUMERIC, +`col52` TINYBLOB, +`col53` DATE, +`col54` DECIMAL, +`col55` SMALLINT, +`col56` TINYTEXT, +`col57` ENUM ('test1','test2','test3'), +`col58` YEAR, +`col59` TIME, +`col60` TINYINT, +`col61` DECIMAL, +`col62` DOUBLE, +`col63` DATE, +`col64` LONGTEXT, +`col65` DOUBLE, +`col66` VARCHAR (88), +`col67` MEDIUMTEXT, +`col68` DATE, +`col69` MEDIUMINT, +`col70` DECIMAL, +`col71` MEDIUMTEXT, +`col72` LONGTEXT, +`col73` REAL, +`col74` DOUBLE, +`col75` TIME, +`col76` DATE, +`col77` DECIMAL, +`col78` MEDIUMBLOB, +`col79` NUMERIC, +`col80` BIGINT, +`col81` YEAR, +`col82` SMALLINT, +`col83` MEDIUMINT, +`col84` TINYINT, +`col85` MEDIUMBLOB, +`col86` TIME, +`col87` MEDIUMBLOB, +`col88` LONGTEXT, +`col89` BOOL, +`col90` BLOB, +`col91` LONGBLOB, +`col92` YEAR, +`col93` BLOB, +`col94` INT, +`col95` TINYTEXT, +`col96` TINYINT, +`col97` DECIMAL, +`col98` ENUM ('test1','test2','test3'), +`col99` MEDIUMINT, +`col100` TINYINT, +`col101` MEDIUMBLOB, +`col102` TINYINT, +`col103` SET ('test1','test2','test3'), +`col104` TIMESTAMP, +`col105` TEXT, +`col106` DATETIME, +`col107` MEDIUMTEXT, +`col108` CHAR (220), +`col109` TIME, +`col110` VARCHAR (131), +`col111` DECIMAL, +`col112` FLOAT, +`col113` SMALLINT, +`col114` BIGINT, +`col115` LONGBLOB, +`col116` SET ('test1','test2','test3'), +`col117` ENUM ('test1','test2','test3'), +`col118` BLOB, +`col119` MEDIUMTEXT, +`col120` SET ('test1','test2','test3'), +`col121` DATETIME, +`col122` FLOAT, +`col123` VARCHAR (242), +`col124` YEAR, +`col125` MEDIUMBLOB, +`col126` TIME, +`col127` BOOL, +`col128` TINYBLOB, +`col129` DOUBLE, +`col130` TINYINT, +`col131` BIGINT, +`col132` SMALLINT, +`col133` INT, +`col134` DOUBLE PRECISION, +`col135` MEDIUMBLOB, +`col136` SET ('test1','test2','test3'), +`col137` TINYTEXT, +`col138` DOUBLE PRECISION, +`col139` NUMERIC, +`col140` BLOB, +`col141` SET ('test1','test2','test3'), +`col142` INT, +`col143` VARCHAR (26), +`col144` BLOB, +`col145` REAL, +`col146` SET ('test1','test2','test3'), +`col147` LONGBLOB, +`col148` TEXT, +`col149` BLOB, +`col150` CHAR (189), +`col151` LONGTEXT, +`col152` INT, +`col153` FLOAT, +`col154` LONGTEXT, +`col155` DATE, +`col156` LONGBLOB, +`col157` TINYBLOB, +`col158` REAL, +`col159` DATE, +`col160` TIME, +`col161` YEAR, +`col162` DOUBLE, +`col163` VARCHAR (90), +`col164` FLOAT, +`col165` NUMERIC, +`col166` ENUM ('test1','test2','test3'), +`col167` DOUBLE PRECISION, +`col168` DOUBLE PRECISION, +`col169` TINYBLOB, +`col170` TIME, +`col171` SMALLINT, +`col172` TINYTEXT, +`col173` SMALLINT, +`col174` DOUBLE, +`col175` VARCHAR (14), +`col176` VARCHAR (90), +`col177` REAL, +`col178` MEDIUMINT, +`col179` TINYBLOB, +`col180` FLOAT, +`col181` TIMESTAMP, +`col182` REAL, +`col183` DOUBLE PRECISION, +`col184` BIGINT, +`col185` INT, +`col186` MEDIUMTEXT, +`col187` TIME, +`col188` FLOAT, +`col189` TIME, +`col190` INT, +`col191` FLOAT, +`col192` MEDIUMINT, +`col193` TINYINT, +`col194` MEDIUMTEXT, +`col195` DATE, +`col196` TIME, +`col197` YEAR, +`col198` CHAR (206), +KEY `idx0` (`col39`,`col23`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 133 columns and 16 indexes +DROP TABLE IF EXISTS `table4`; +CREATE TABLE IF NOT EXISTS `table4` +(`col0` VARCHAR (60), +`col1` NUMERIC, +`col2` LONGTEXT, +`col3` MEDIUMTEXT, +`col4` LONGTEXT, +`col5` LONGBLOB, +`col6` LONGBLOB, +`col7` DATETIME, +`col8` TINYTEXT, +`col9` BLOB, +`col10` BOOL, +`col11` BIGINT, +`col12` TEXT, +`col13` VARCHAR (213), +`col14` TINYBLOB, +`col15` BOOL, +`col16` MEDIUMTEXT, +`col17` DOUBLE, +`col18` TEXT, +`col19` BLOB, +`col20` SET ('test1','test2','test3'), +`col21` TINYINT, +`col22` DATETIME, +`col23` TINYINT, +`col24` ENUM ('test1','test2','test3'), +`col25` REAL, +`col26` BOOL, +`col27` FLOAT, +`col28` LONGBLOB, +`col29` DATETIME, +`col30` FLOAT, +`col31` SET ('test1','test2','test3'), +`col32` LONGBLOB, +`col33` NUMERIC, +`col34` YEAR, +`col35` VARCHAR (146), +`col36` BIGINT, +`col37` DATETIME, +`col38` DATE, +`col39` SET ('test1','test2','test3'), +`col40` CHAR (112), +`col41` FLOAT, +`col42` YEAR, +`col43` TIME, +`col44` DOUBLE, +`col45` NUMERIC, +`col46` FLOAT, +`col47` DECIMAL, +`col48` BIGINT, +`col49` DECIMAL, +`col50` YEAR, +`col51` MEDIUMTEXT, +`col52` LONGBLOB, +`col53` SET ('test1','test2','test3'), +`col54` BLOB, +`col55` FLOAT, +`col56` REAL, +`col57` REAL, +`col58` TEXT, +`col59` MEDIUMBLOB, +`col60` INT, +`col61` INT, +`col62` DATE, +`col63` TEXT, +`col64` DATE, +`col65` ENUM ('test1','test2','test3'), +`col66` DOUBLE PRECISION, +`col67` TINYTEXT, +`col68` TINYBLOB, +`col69` FLOAT, +`col70` BLOB, +`col71` DATETIME, +`col72` DOUBLE, +`col73` LONGTEXT, +`col74` TIME, +`col75` DATETIME, +`col76` VARCHAR (122), +`col77` MEDIUMTEXT, +`col78` MEDIUMTEXT, +`col79` BOOL, +`col80` LONGTEXT, +`col81` TINYTEXT, +`col82` NUMERIC, +`col83` DOUBLE PRECISION, +`col84` DATE, +`col85` YEAR, +`col86` BLOB, +`col87` TINYTEXT, +`col88` DOUBLE PRECISION, +`col89` MEDIUMINT, +`col90` MEDIUMTEXT, +`col91` NUMERIC, +`col92` DATETIME, +`col93` NUMERIC, +`col94` SET ('test1','test2','test3'), +`col95` TINYTEXT, +`col96` SET ('test1','test2','test3'), +`col97` YEAR, +`col98` MEDIUMINT, +`col99` TEXT, +`col100` TEXT, +`col101` TIME, +`col102` VARCHAR (225), +`col103` TINYTEXT, +`col104` TEXT, +`col105` MEDIUMTEXT, +`col106` TINYINT, +`col107` TEXT, +`col108` LONGBLOB, +`col109` LONGTEXT, +`col110` TINYTEXT, +`col111` CHAR (56), +`col112` YEAR, +`col113` ENUM ('test1','test2','test3'), +`col114` TINYBLOB, +`col115` DATETIME, +`col116` DATE, +`col117` TIME, +`col118` MEDIUMTEXT, +`col119` DOUBLE PRECISION, +`col120` FLOAT, +`col121` TIMESTAMP, +`col122` MEDIUMINT, +`col123` YEAR, +`col124` DATE, +`col125` TEXT, +`col126` FLOAT, +`col127` TINYTEXT, +`col128` BOOL, +`col129` NUMERIC, +`col130` TIMESTAMP, +`col131` INT, +`col132` MEDIUMBLOB, +KEY `idx0` (`col130`), +KEY `idx1` (`col30`,`col55`,`col19`(31)), +KEY `idx2` (`col104`(186)), +KEY `idx3` (`col131`), +KEY `idx4` (`col64`,`col93`,`col2`(11)), +KEY `idx5` (`col34`,`col121`,`col22`), +KEY `idx6` (`col33`,`col55`,`col83`), +KEY `idx7` (`col17`,`col87`(245),`col99`(17)), +KEY `idx8` (`col65`,`col120`), +KEY `idx9` (`col82`), +KEY `idx10` (`col9`(72)), +KEY `idx11` (`col88`), +KEY `idx12` (`col128`,`col9`(200),`col71`,`col66`), +KEY `idx13` (`col77`(126)), +KEY `idx14` (`col105`(26),`col13`,`col117`), +KEY `idx15` (`col4`(246),`col130`,`col115`,`col3`(141)) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 176 columns and 13 indexes +DROP TABLE IF EXISTS `table5`; +CREATE TABLE IF NOT EXISTS `table5` +(`col0` MEDIUMTEXT, +`col1` VARCHAR (90), +`col2` TINYTEXT, +`col3` TIME, +`col4` BOOL, +`col5` TINYTEXT, +`col6` BOOL, +`col7` TIMESTAMP, +`col8` TINYBLOB, +`col9` TINYINT, +`col10` YEAR, +`col11` SET ('test1','test2','test3'), +`col12` TEXT, +`col13` CHAR (248), +`col14` BIGINT, +`col15` TEXT, +`col16` TINYINT, +`col17` NUMERIC, +`col18` SET ('test1','test2','test3'), +`col19` LONGBLOB, +`col20` FLOAT, +`col21` INT, +`col22` TEXT, +`col23` BOOL, +`col24` DECIMAL, +`col25` DOUBLE PRECISION, +`col26` FLOAT, +`col27` TINYBLOB, +`col28` NUMERIC, +`col29` MEDIUMBLOB, +`col30` DATE, +`col31` LONGTEXT, +`col32` DATE, +`col33` FLOAT, +`col34` BIGINT, +`col35` TINYTEXT, +`col36` MEDIUMTEXT, +`col37` TIME, +`col38` INT, +`col39` TINYINT, +`col40` SET ('test1','test2','test3'), +`col41` CHAR (130), +`col42` SMALLINT, +`col43` INT, +`col44` MEDIUMTEXT, +`col45` VARCHAR (126), +`col46` INT, +`col47` DOUBLE PRECISION, +`col48` BIGINT, +`col49` MEDIUMTEXT, +`col50` TINYBLOB, +`col51` MEDIUMINT, +`col52` TEXT, +`col53` VARCHAR (208), +`col54` VARCHAR (207), +`col55` NUMERIC, +`col56` DATETIME, +`col57` ENUM ('test1','test2','test3'), +`col58` NUMERIC, +`col59` TINYBLOB, +`col60` VARCHAR (73), +`col61` MEDIUMTEXT, +`col62` TINYBLOB, +`col63` DATETIME, +`col64` NUMERIC, +`col65` MEDIUMINT, +`col66` DATETIME, +`col67` NUMERIC, +`col68` TINYINT, +`col69` VARCHAR (58), +`col70` DECIMAL, +`col71` MEDIUMTEXT, +`col72` DATE, +`col73` TIME, +`col74` DOUBLE PRECISION, +`col75` DECIMAL, +`col76` MEDIUMBLOB, +`col77` REAL, +`col78` YEAR, +`col79` YEAR, +`col80` LONGBLOB, +`col81` BLOB, +`col82` BIGINT, +`col83` ENUM ('test1','test2','test3'), +`col84` NUMERIC, +`col85` SET ('test1','test2','test3'), +`col86` MEDIUMTEXT, +`col87` LONGBLOB, +`col88` TIME, +`col89` ENUM ('test1','test2','test3'), +`col90` DECIMAL, +`col91` FLOAT, +`col92` DATETIME, +`col93` TINYTEXT, +`col94` TIMESTAMP, +`col95` TIMESTAMP, +`col96` TEXT, +`col97` REAL, +`col98` VARCHAR (198), +`col99` TIME, +`col100` TINYINT, +`col101` BIGINT, +`col102` LONGBLOB, +`col103` LONGBLOB, +`col104` MEDIUMINT, +`col105` MEDIUMTEXT, +`col106` TIMESTAMP, +`col107` SMALLINT, +`col108` NUMERIC, +`col109` DECIMAL, +`col110` FLOAT, +`col111` DECIMAL, +`col112` REAL, +`col113` TINYTEXT, +`col114` FLOAT, +`col115` VARCHAR (7), +`col116` LONGTEXT, +`col117` DATE, +`col118` BIGINT, +`col119` TEXT, +`col120` BIGINT, +`col121` BLOB, +`col122` CHAR (110), +`col123` NUMERIC, +`col124` MEDIUMBLOB, +`col125` NUMERIC, +`col126` NUMERIC, +`col127` BOOL, +`col128` TIME, +`col129` TINYBLOB, +`col130` TINYBLOB, +`col131` DATE, +`col132` INT, +`col133` VARCHAR (123), +`col134` CHAR (238), +`col135` VARCHAR (225), +`col136` LONGTEXT, +`col137` LONGBLOB, +`col138` REAL, +`col139` TINYBLOB, +`col140` DATETIME, +`col141` TINYTEXT, +`col142` LONGBLOB, +`col143` BIGINT, +`col144` VARCHAR (236), +`col145` TEXT, +`col146` YEAR, +`col147` DECIMAL, +`col148` TEXT, +`col149` MEDIUMBLOB, +`col150` TINYINT, +`col151` BOOL, +`col152` VARCHAR (72), +`col153` INT, +`col154` VARCHAR (165), +`col155` TINYINT, +`col156` MEDIUMTEXT, +`col157` DOUBLE PRECISION, +`col158` TIME, +`col159` MEDIUMBLOB, +`col160` LONGBLOB, +`col161` DATETIME, +`col162` DOUBLE PRECISION, +`col163` BLOB, +`col164` ENUM ('test1','test2','test3'), +`col165` TIMESTAMP, +`col166` DATE, +`col167` TINYBLOB, +`col168` TINYBLOB, +`col169` LONGBLOB, +`col170` DATETIME, +`col171` BIGINT, +`col172` VARCHAR (30), +`col173` LONGTEXT, +`col174` TIME, +`col175` FLOAT, +KEY `idx0` (`col16`,`col156`(139),`col97`,`col120`), +KEY `idx1` (`col24`,`col0`(108)), +KEY `idx2` (`col117`,`col173`(34),`col132`,`col82`), +KEY `idx3` (`col2`(86)), +KEY `idx4` (`col2`(43)), +KEY `idx5` (`col83`,`col35`(87),`col111`), +KEY `idx6` (`col6`,`col134`,`col92`), +KEY `idx7` (`col56`), +KEY `idx8` (`col30`,`col53`,`col129`(66)), +KEY `idx9` (`col53`,`col113`(211),`col32`,`col15`(75)), +KEY `idx10` (`col34`), +KEY `idx11` (`col126`), +KEY `idx12` (`col24`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 179 columns and 46 indexes +DROP TABLE IF EXISTS `table6`; +-- error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table6` +(`col0` ENUM ('test1','test2','test3'), +`col1` MEDIUMBLOB, +`col2` MEDIUMBLOB, +`col3` DATETIME, +`col4` DATE, +`col5` YEAR, +`col6` REAL, +`col7` NUMERIC, +`col8` MEDIUMBLOB, +`col9` TEXT, +`col10` TIMESTAMP, +`col11` DOUBLE, +`col12` DOUBLE, +`col13` SMALLINT, +`col14` TIMESTAMP, +`col15` DECIMAL, +`col16` DATE, +`col17` TEXT, +`col18` LONGBLOB, +`col19` BIGINT, +`col20` FLOAT, +`col21` DATETIME, +`col22` TINYINT, +`col23` MEDIUMBLOB, +`col24` SET ('test1','test2','test3'), +`col25` TIME, +`col26` TEXT, +`col27` LONGTEXT, +`col28` BIGINT, +`col29` REAL, +`col30` YEAR, +`col31` MEDIUMBLOB, +`col32` MEDIUMINT, +`col33` FLOAT, +`col34` TEXT, +`col35` DATE, +`col36` TIMESTAMP, +`col37` REAL, +`col38` BLOB, +`col39` BLOB, +`col40` BLOB, +`col41` TINYBLOB, +`col42` INT, +`col43` TINYINT, +`col44` REAL, +`col45` BIGINT, +`col46` TIMESTAMP, +`col47` BLOB, +`col48` ENUM ('test1','test2','test3'), +`col49` BOOL, +`col50` CHAR (109), +`col51` DOUBLE, +`col52` DOUBLE PRECISION, +`col53` ENUM ('test1','test2','test3'), +`col54` FLOAT, +`col55` DOUBLE PRECISION, +`col56` CHAR (166), +`col57` TEXT, +`col58` TIME, +`col59` DECIMAL, +`col60` TEXT, +`col61` ENUM ('test1','test2','test3'), +`col62` LONGTEXT, +`col63` YEAR, +`col64` DOUBLE, +`col65` CHAR (87), +`col66` DATE, +`col67` BOOL, +`col68` MEDIUMBLOB, +`col69` DATETIME, +`col70` DECIMAL, +`col71` TIME, +`col72` REAL, +`col73` LONGTEXT, +`col74` BLOB, +`col75` REAL, +`col76` INT, +`col77` INT, +`col78` FLOAT, +`col79` DOUBLE, +`col80` MEDIUMINT, +`col81` ENUM ('test1','test2','test3'), +`col82` VARCHAR (221), +`col83` BIGINT, +`col84` TINYINT, +`col85` BIGINT, +`col86` FLOAT, +`col87` MEDIUMBLOB, +`col88` CHAR (126), +`col89` MEDIUMBLOB, +`col90` DATETIME, +`col91` TINYINT, +`col92` DOUBLE, +`col93` NUMERIC, +`col94` DATE, +`col95` BLOB, +`col96` DATETIME, +`col97` TIME, +`col98` LONGBLOB, +`col99` INT, +`col100` SET ('test1','test2','test3'), +`col101` TINYBLOB, +`col102` INT, +`col103` MEDIUMBLOB, +`col104` MEDIUMTEXT, +`col105` FLOAT, +`col106` TINYBLOB, +`col107` VARCHAR (26), +`col108` TINYINT, +`col109` TIME, +`col110` TINYBLOB, +`col111` LONGBLOB, +`col112` TINYTEXT, +`col113` FLOAT, +`col114` TINYINT, +`col115` NUMERIC, +`col116` TIME, +`col117` SET ('test1','test2','test3'), +`col118` DATE, +`col119` SMALLINT, +`col120` BLOB, +`col121` TINYTEXT, +`col122` REAL, +`col123` YEAR, +`col124` REAL, +`col125` BOOL, +`col126` BLOB, +`col127` REAL, +`col128` MEDIUMBLOB, +`col129` TIMESTAMP, +`col130` LONGBLOB, +`col131` MEDIUMBLOB, +`col132` YEAR, +`col133` YEAR, +`col134` INT, +`col135` MEDIUMINT, +`col136` MEDIUMINT, +`col137` TINYTEXT, +`col138` TINYBLOB, +`col139` BLOB, +`col140` SET ('test1','test2','test3'), +`col141` ENUM ('test1','test2','test3'), +`col142` ENUM ('test1','test2','test3'), +`col143` TINYTEXT, +`col144` DATETIME, +`col145` TEXT, +`col146` DOUBLE PRECISION, +`col147` DECIMAL, +`col148` MEDIUMTEXT, +`col149` TINYTEXT, +`col150` SET ('test1','test2','test3'), +`col151` MEDIUMTEXT, +`col152` CHAR (126), +`col153` DOUBLE, +`col154` CHAR (243), +`col155` SET ('test1','test2','test3'), +`col156` SET ('test1','test2','test3'), +`col157` DATETIME, +`col158` DOUBLE, +`col159` NUMERIC, +`col160` DECIMAL, +`col161` FLOAT, +`col162` LONGBLOB, +`col163` LONGTEXT, +`col164` INT, +`col165` TIME, +`col166` CHAR (27), +`col167` VARCHAR (63), +`col168` TEXT, +`col169` TINYBLOB, +`col170` TINYBLOB, +`col171` ENUM ('test1','test2','test3'), +`col172` INT, +`col173` TIME, +`col174` DECIMAL, +`col175` DOUBLE, +`col176` MEDIUMBLOB, +`col177` LONGBLOB, +`col178` CHAR (43), +KEY `idx0` (`col131`(219)), +KEY `idx1` (`col67`,`col122`,`col59`,`col87`(33)), +KEY `idx2` (`col83`,`col42`,`col57`(152)), +KEY `idx3` (`col106`(124)), +KEY `idx4` (`col173`,`col80`,`col165`,`col89`(78)), +KEY `idx5` (`col174`,`col145`(108),`col23`(228),`col141`), +KEY `idx6` (`col157`,`col140`), +KEY `idx7` (`col130`(188),`col15`), +KEY `idx8` (`col52`), +KEY `idx9` (`col144`), +KEY `idx10` (`col155`), +KEY `idx11` (`col62`(230),`col1`(109)), +KEY `idx12` (`col151`(24),`col95`(85)), +KEY `idx13` (`col114`), +KEY `idx14` (`col42`,`col98`(56),`col146`), +KEY `idx15` (`col147`,`col39`(254),`col35`), +KEY `idx16` (`col79`), +KEY `idx17` (`col65`), +KEY `idx18` (`col149`(165),`col168`(119),`col32`,`col117`), +KEY `idx19` (`col64`), +KEY `idx20` (`col93`), +KEY `idx21` (`col64`,`col113`,`col104`(182)), +KEY `idx22` (`col52`,`col111`(189)), +KEY `idx23` (`col45`), +KEY `idx24` (`col154`,`col107`,`col110`(159)), +KEY `idx25` (`col149`(1),`col87`(131)), +KEY `idx26` (`col58`,`col115`,`col63`), +KEY `idx27` (`col95`(9),`col0`,`col87`(113)), +KEY `idx28` (`col92`,`col130`(1)), +KEY `idx29` (`col151`(129),`col137`(254),`col13`), +KEY `idx30` (`col49`), +KEY `idx31` (`col28`), +KEY `idx32` (`col83`,`col146`), +KEY `idx33` (`col155`,`col90`,`col17`(245)), +KEY `idx34` (`col174`,`col169`(44),`col107`), +KEY `idx35` (`col113`), +KEY `idx36` (`col52`), +KEY `idx37` (`col16`,`col120`(190)), +KEY `idx38` (`col28`), +KEY `idx39` (`col131`(165)), +KEY `idx40` (`col135`,`col26`(86)), +KEY `idx41` (`col69`,`col94`), +KEY `idx42` (`col105`,`col151`(38),`col97`), +KEY `idx43` (`col88`), +KEY `idx44` (`col176`(100),`col42`,`col73`(189),`col94`), +KEY `idx45` (`col2`(27),`col27`(116)) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +DROP TABLE IF EXISTS table0; +DROP TABLE IF EXISTS table1; +DROP TABLE IF EXISTS table2; +DROP TABLE IF EXISTS table3; +DROP TABLE IF EXISTS table4; +DROP TABLE IF EXISTS table5; +DROP TABLE IF EXISTS table6; + diff --git a/mysql-test/innodb_bug36172.result b/mysql-test/innodb_bug36172.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/mysql-test/innodb_bug36172.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/mysql-test/innodb_bug36172.test b/mysql-test/innodb_bug36172.test new file mode 100644 index 00000000000..8ece1c34a1c --- /dev/null +++ b/mysql-test/innodb_bug36172.test @@ -0,0 +1,26 @@ +# +# Test case for bug 36172 +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we do not really care about what gets printed, we are only +# interested in getting success or failure according to our +# expectations + +-- disable_query_log +-- disable_result_log + +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; + +DROP TABLE IF EXISTS `table0`; +CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; +insert ignore into `table0` set `col23` = 7887371.5084383683, `col24` = 4293854615.6906948000, `col25` = 'vitalist', `col26` = 'widespread', `col27` = '3570490', `col28` = 'habitual', `col30` = -5471, `col31` = 4286985783.6771750000, `col32` = 6354540.9826654866, `col33` = 'defoliation', `col34` = 'logarithms', `col35` = 'tegument\'s', `col36` = 'scouting\'s', `col37` = 'intermittency', `col38` = 'elongates', `col39` = 'prophecies', `col40` = '20560103035939', `col41` = 4292809130.0544143000, `col42` = 22057, `col43` = 'Hess\'s', `col44` = 'bandstand', `col45` = 'phenylketonuria', `col46` = 6338767.4018677324, `col47` = 5310247, `col48` = '12592418', `col49` = 'churchman\'s', `col50` = '32226125', `col51` = -58, `col52` = -6207968, `col53` = 1244839.3255104220, `col54` = 'robotized', `col55` = 'monotonous', `col56` = -26909, `col58` = '20720107023550', `col59` = 'suggestiveness\'s', `col60` = 'gemology', `col61` = 4287800670.2229986000, `col62` = '1944', `col63` = -16827, `col64` = '20700107212324', `col65` = 'Nicolais', `col66` = 'apteryx', `col67` = 6935317, `col68` = 'stroganoff', `col70` = 3316430, `col71` = '3277608', `col72` = '19300511045918', `col73` = '20421201003327', `col74` = 'attenuant', `col75` = '15173', `col76` = 'upstroke\'s', `col77` = 8118987, `col78` = 6791516.2735374002, `col79` = '20780701144624', `col80` = '2134', `col81` = 4290682351.3127537000, `col82` = 'unexplainably', `col83` = 'Storm', `col84` = 'Greyso\'s', `col85` = 4289119212.4306774000, `col86` = 7617575.8796655172, `col87` = -6325335, `col88` = 'fondue\'s', `col89` = '40608940', `col90` = 1659421.8093508712, `col91` = 8346904.6584368423, `col92` = 'reloads', `col93` = '5188366'; +CHECK TABLE table0 EXTENDED; +INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; +CHECK TABLE table0 EXTENDED; +DROP TABLE table0; diff --git a/os/os0file.c b/os/os0file.c index c55a5aafc97..212c2c8c035 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -22,8 +22,6 @@ Created 10/21/1995 Heikki Tuuri #include #endif /* UNIV_HOTBACKUP */ -#undef HAVE_FDATASYNC - #ifdef POSIX_ASYNC_IO /* We assume in this case that the OS has standard Posix aio (at least SunOS 2.6, HP-UX 11i and AIX 4.3 have) */ @@ -682,8 +680,8 @@ next_file: strcpy(info->name, (char *) lpFindFileData->cFileName); - info->size = (ib_longlong)(lpFindFileData->nFileSizeLow) - + (((ib_longlong)(lpFindFileData->nFileSizeHigh)) + info->size = (ib_int64_t)(lpFindFileData->nFileSizeLow) + + (((ib_int64_t)(lpFindFileData->nFileSizeHigh)) << 32); if (lpFindFileData->dwFileAttributes @@ -783,7 +781,7 @@ next_file: return(-1); } - info->size = (ib_longlong)statinfo.st_size; + info->size = (ib_int64_t)statinfo.st_size; if (S_ISDIR(statinfo.st_mode)) { info->type = OS_FILE_TYPE_DIR; @@ -1671,9 +1669,9 @@ os_file_get_size( } /*************************************************************************** -Gets file size as a 64-bit integer ib_longlong. */ +Gets file size as a 64-bit integer ib_int64_t. */ UNIV_INTERN -ib_longlong +ib_int64_t os_file_get_size_as_iblonglong( /*===========================*/ /* out: size in bytes, -1 if error */ @@ -1690,7 +1688,7 @@ os_file_get_size_as_iblonglong( return(-1); } - return((((ib_longlong)size_high) << 32) + (ib_longlong)size); + return((((ib_int64_t)size_high) << 32) + (ib_int64_t)size); } /*************************************************************************** @@ -1707,8 +1705,8 @@ os_file_set_size( size */ ulint size_high)/* in: most significant 32 bits of size */ { - ib_longlong current_size; - ib_longlong desired_size; + ib_int64_t current_size; + ib_int64_t desired_size; ibool ret; byte* buf; byte* buf2; @@ -1717,7 +1715,7 @@ os_file_set_size( ut_a(size == (size & 0xFFFFFFFF)); current_size = 0; - desired_size = (ib_longlong)size + (((ib_longlong)size_high) << 32); + desired_size = (ib_int64_t)size + (((ib_int64_t)size_high) << 32); /* Write up to 1 megabyte at a time. */ buf_size = ut_min(64, (ulint) (desired_size / UNIV_PAGE_SIZE)) @@ -1730,7 +1728,7 @@ os_file_set_size( /* Write buffer full of zeros */ memset(buf, 0, buf_size); - if (desired_size >= (ib_longlong)(100 * 1024 * 1024)) { + if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { fprintf(stderr, "InnoDB: Progress in MB:"); } @@ -1738,7 +1736,7 @@ os_file_set_size( while (current_size < desired_size) { ulint n_bytes; - if (desired_size - current_size < (ib_longlong) buf_size) { + if (desired_size - current_size < (ib_int64_t) buf_size) { n_bytes = (ulint) (desired_size - current_size); } else { n_bytes = buf_size; @@ -1754,18 +1752,18 @@ os_file_set_size( } /* Print about progress for each 100 MB written */ - if ((ib_longlong) (current_size + n_bytes) / (ib_longlong)(100 * 1024 * 1024) - != current_size / (ib_longlong)(100 * 1024 * 1024)) { + if ((ib_int64_t) (current_size + n_bytes) / (ib_int64_t)(100 * 1024 * 1024) + != current_size / (ib_int64_t)(100 * 1024 * 1024)) { fprintf(stderr, " %lu00", (ulong) ((current_size + n_bytes) - / (ib_longlong)(100 * 1024 * 1024))); + / (ib_int64_t)(100 * 1024 * 1024))); } current_size += n_bytes; } - if (desired_size >= (ib_longlong)(100 * 1024 * 1024)) { + if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { fprintf(stderr, "\n"); } @@ -1799,6 +1797,55 @@ os_file_set_eof( #endif /* __WIN__ */ } +#ifndef __WIN__ +/*************************************************************************** +Wrapper to fsync(2) that retries the call on some errors. +Returns the value 0 if successful; otherwise the value -1 is returned and +the global variable errno is set to indicate the error. */ + +static +int +os_file_fsync( +/*==========*/ + /* out: 0 if success, -1 otherwise */ + os_file_t file) /* in: handle to a file */ +{ + int ret; + int failures; + ibool retry; + + failures = 0; + + do { + ret = fsync(file); + + os_n_fsyncs++; + + if (ret == -1 && errno == ENOLCK) { + + if (failures % 100 == 0) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: fsync(): " + "No locks available; retrying\n"); + } + + os_thread_sleep(200000 /* 0.2 sec */); + + failures++; + + retry = TRUE; + } else { + + retry = FALSE; + } + } while (retry); + + return(ret); +} +#endif /* !__WIN__ */ + /*************************************************************************** Flushes the write buffers of a given file to the disk. */ UNIV_INTERN @@ -1856,23 +1903,19 @@ os_file_flush( /* If we are not on an operating system that supports this, then fall back to a plain fsync. */ - ret = fsync(file); + ret = os_file_fsync(file); } else { ret = fcntl(file, F_FULLFSYNC, NULL); if (ret) { /* If we are not on a file system that supports this, then fall back to a plain fsync. */ - ret = fsync(file); + ret = os_file_fsync(file); } } -#elif HAVE_FDATASYNC - ret = fdatasync(file); #else - /* fprintf(stderr, "Flushing to file %p\n", file); */ - ret = fsync(file); + ret = os_file_fsync(file); #endif - os_n_fsyncs++; if (ret == 0) { return(TRUE); diff --git a/os/os0proc.c b/os/os0proc.c index 33f3064e4d9..23d8907ff3d 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -86,7 +86,9 @@ os_mem_alloc_large( } /* Align block size to os_large_page_size */ - size = ut_2pow_round(*n + os_large_page_size - 1, os_large_page_size); + ut_ad(ut_is_2pow(os_large_page_size)); + size = ut_2pow_round(*n + (os_large_page_size - 1), + os_large_page_size); shmid = shmget(IPC_PRIVATE, (size_t)size, SHM_HUGETLB | SHM_R | SHM_W); if (shmid < 0) { @@ -126,7 +128,8 @@ skip: GetSystemInfo(&system_info); /* Align block size to system page size */ - size = *n = ut_2pow_round(*n + system_info.dwPageSize - 1, + ut_ad(ut_is_2pow(system_info.dwPageSize)); + size = *n = ut_2pow_round(*n + (system_info.dwPageSize - 1), system_info.dwPageSize); ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); @@ -147,7 +150,8 @@ skip: size = UNIV_PAGE_SIZE; # endif /* Align block size to system page size */ - size = *n = ut_2pow_round(*n + size - 1, size); + ut_ad(ut_is_2pow(size)); + size = *n = ut_2pow_round(*n + (size - 1), size); ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | OS_MAP_ANON, -1, 0); if (UNIV_UNLIKELY(ptr == (void*) -1)) { diff --git a/os/os0sync.c b/os/os0sync.c index a553b9f6ae9..cce4d8e90fb 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -259,13 +259,13 @@ that this thread should not wait in case of an intervening call to os_event_set() between this os_event_reset() and the os_event_wait_low() call. See comments for os_event_wait_low(). */ UNIV_INTERN -ib_longlong +ib_int64_t os_event_reset( /*===========*/ /* out: current signal_count. */ os_event_t event) /* in: event to reset */ { - ib_longlong ret = 0; + ib_int64_t ret = 0; #ifdef __WIN__ ut_a(event); @@ -374,7 +374,7 @@ void os_event_wait_low( /*==============*/ os_event_t event, /* in: event to wait */ - ib_longlong reset_sig_count)/* in: zero or the value + ib_int64_t reset_sig_count)/* in: zero or the value returned by previous call of os_event_reset(). */ { @@ -394,7 +394,7 @@ os_event_wait_low( os_thread_exit(NULL); } #else - ib_longlong old_signal_count; + ib_int64_t old_signal_count; os_fast_mutex_lock(&(event->os_mutex)); diff --git a/page/page0zip.c b/page/page0zip.c index ecea046bca4..4648bc8ddf4 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -25,16 +25,8 @@ Created June 2005 by Marko Makela #include "zlib.h" #include "buf0lru.h" -/** Number of page compressions, indexed by page_zip_des_t::ssize */ -UNIV_INTERN ulint page_zip_compress_count[8]; -/** Number of successful page compressions, indexed by page_zip_des_t::ssize */ -UNIV_INTERN ulint page_zip_compress_ok[8]; -/** Number of page decompressions, indexed by page_zip_des_t::ssize */ -UNIV_INTERN ulint page_zip_decompress_count[8]; -/** Duration of page compressions, indexed by page_zip_des_t::ssize */ -UNIV_INTERN ullint page_zip_compress_duration[8]; -/** Duration of page decompressions, indexed by page_zip_des_t::ssize */ -UNIV_INTERN ullint page_zip_decompress_duration[8]; +/** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ +UNIV_INTERN page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; /* Please refer to ../include/page0zip.ic for a description of the compressed page format. */ @@ -370,10 +362,10 @@ page_zip_fixed_field_encode( 126 = nullable variable field with maximum length >255; 127 = not null variable field with maximum length >255 */ - *buf++ = val; + *buf++ = (byte) val; } else { - *buf++ = 0x80 | val >> 8; - *buf++ = 0xff & val; + *buf++ = (byte) (0x80 | val >> 8); + *buf++ = (byte) val; } return(buf); @@ -431,7 +423,7 @@ page_zip_fields_encode( col++; } - *buf++ = val; + *buf++ = (byte) val; col++; } else if (val) { /* fixed-length non-nullable field */ @@ -497,10 +489,10 @@ page_zip_fields_encode( } if (i < 128) { - *buf++ = i; + *buf++ = (byte) i; } else { - *buf++ = 0x80 | i >> 8; - *buf++ = 0xff & i; + *buf++ = (byte) (0x80 | i >> 8); + *buf++ = (byte) i; } ut_ad((ulint) (buf - buf_start) <= (n + 2) * 2); @@ -1171,7 +1163,7 @@ page_zip_compress( } } #endif /* PAGE_ZIP_COMPRESS_DBG */ - page_zip_compress_count[page_zip->ssize]++; + page_zip_stat[page_zip->ssize - 1].compressed++; if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE >= page_zip_get_size(page_zip))) { @@ -1308,7 +1300,7 @@ err_exit: fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ - page_zip_compress_duration[page_zip->ssize] + page_zip_stat[page_zip->ssize - 1].compressed_usec += ut_time_us(NULL) - usec; return(FALSE); } @@ -1353,8 +1345,6 @@ err_exit: page_zip_compress_write_log(page_zip, page, index, mtr); } - page_zip_compress_ok[page_zip->ssize]++; - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); #ifdef PAGE_ZIP_COMPRESS_DBG @@ -1367,8 +1357,13 @@ err_exit: fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ - page_zip_compress_duration[page_zip->ssize] - += ut_time_us(NULL) - usec; + { + page_zip_stat_t* zip_stat + = &page_zip_stat[page_zip->ssize - 1]; + zip_stat->compressed_ok++; + zip_stat->compressed_usec += ut_time_us(NULL) - usec; + } + return(TRUE); } @@ -1676,7 +1671,7 @@ page_zip_set_extra_bytes( rec_set_next_offs_new(rec, offs); rec = page + offs; - rec[-REC_N_NEW_EXTRA_BYTES] = info_bits; + rec[-REC_N_NEW_EXTRA_BYTES] = (byte) info_bits; info_bits = 0; } @@ -1684,7 +1679,7 @@ page_zip_set_extra_bytes( rec_set_next_offs_new(rec, PAGE_NEW_SUPREMUM); /* Set n_owned of the supremum record. */ - page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] = n_owned; + page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] = (byte) n_owned; /* The dense directory excludes the infimum and supremum records. */ n = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; @@ -2775,7 +2770,7 @@ ibool page_zip_decompress( /*================*/ /* out: TRUE on success, FALSE on failure */ - page_zip_des_t* page_zip,/* in: data, size; + page_zip_des_t* page_zip,/* in: data, ssize; out: m_start, m_end, m_nonempty, n_blobs */ page_t* page) /* out: uncompressed page, may be trashed */ { @@ -2942,9 +2937,12 @@ err_exit: page_zip_fields_free(index); mem_heap_free(heap); - page_zip_decompress_count[page_zip->ssize]++; - page_zip_decompress_duration[page_zip->ssize] - += ut_time_us(NULL) - usec; + { + page_zip_stat_t* zip_stat + = &page_zip_stat[page_zip->ssize - 1]; + zip_stat->decompressed++; + zip_stat->decompressed_usec += ut_time_us(NULL) - usec; + } /* Update the stat counter for LRU policy. */ buf_LRU_stat_inc_unzip(); @@ -3250,10 +3248,10 @@ page_zip_write_rec( 0 is reserved to indicate the end of the modification log. */ if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { - *data++ = 0x80 | (heap_no - 1) >> 7; + *data++ = (byte) (0x80 | (heap_no - 1) >> 7); ut_ad(!*data); } - *data++ = (heap_no - 1) << 1; + *data++ = (byte) ((heap_no - 1) << 1); ut_ad(!*data); { @@ -3802,10 +3800,10 @@ page_zip_clear_rec( data = page_zip->data + page_zip->m_end; ut_ad(!*data); if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { - *data++ = 0x80 | (heap_no - 1) >> 7; + *data++ = (byte) (0x80 | (heap_no - 1) >> 7); ut_ad(!*data); } - *data++ = (heap_no - 1) << 1 | 1; + *data++ = (byte) ((heap_no - 1) << 1 | 1); ut_ad(!*data); ut_ad((ulint) (data - page_zip->data) < page_zip_get_size(page_zip)); diff --git a/plug.in b/plug.in index af3d7c33ada..34ad5d77c0d 100644 --- a/plug.in +++ b/plug.in @@ -11,18 +11,18 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ AC_CHECK_FUNCS(sched_yield fdatasync localtime_r) AC_C_BIGENDIAN case "$target_os" in - lin*) - INNODB_CFLAGS="-DUNIV_LINUX";; - hpux10*) - INNODB_CFLAGS="-DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";; - hp*) - INNODB_CFLAGS="-DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";; - aix*) - INNODB_CFLAGS="-DUNIV_AIX";; - irix*|osf*|sysv5uw7*|openbsd*) - INNODB_CFLAGS="-DUNIV_MUST_NOT_INLINE";; - *solaris*|*SunOS*) - INNODB_CFLAGS="-DUNIV_SOLARIS";; + lin*) + CFLAGS="$CFLAGS -DUNIV_LINUX";; + hpux10*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";; + hp*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";; + aix*) + CFLAGS="$CFLAGS -DUNIV_AIX";; + irix*|osf*|sysv5uw7*|openbsd*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; + *solaris*|*SunOS*) + CFLAGS="$CFLAGS -DUNIV_SOLARIS";; esac INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" case "$target_cpu" in @@ -34,7 +34,7 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic" ;; esac - AC_SUBST(INNODB_CFLAGS) AC_SUBST(INNODB_DYNAMIC_CFLAGS) ]) +# vim: set ft=config: diff --git a/row/row0merge.c b/row/row0merge.c index d5ee81ae053..885eb9cb1fb 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -531,10 +531,10 @@ row_merge_buf_write( /* Encode extra_size + 1 */ if (extra_size + 1 < 0x80) { - *b++ = extra_size + 1; + *b++ = (byte) (extra_size + 1); } else { ut_ad((extra_size + 1) < 0x8000); - *b++ = 0x80 | ((extra_size + 1) >> 8); + *b++ = (byte) (0x80 | ((extra_size + 1) >> 8)); *b++ = (byte) (extra_size + 1); } @@ -622,7 +622,7 @@ row_merge_dict_table_get_index( index = dict_table_get_index_by_max_id( table, index_def->name, column_names, index_def->n_fields); - mem_free(column_names); + mem_free((void*) column_names); return(index); } @@ -883,9 +883,9 @@ row_merge_write_rec_low( #endif /* UNIV_DEBUG */ if (e < 0x80) { - *b++ = e; + *b++ = (byte) e; } else { - *b++ = 0x80 | (e >> 8); + *b++ = (byte) (0x80 | (e >> 8)); *b++ = (byte) e; } @@ -1495,7 +1495,8 @@ row_merge_sort( ulint half; ulint error; - half = ut_2pow_round((file->offset + blksz - 1) / 2, blksz); + ut_ad(ut_is_2pow(blksz)); + half = ut_2pow_round((file->offset + (blksz - 1)) / 2, blksz); error = row_merge(index, file, half, block, tmpfd, table); if (error != DB_SUCCESS) { diff --git a/row/row0mysql.c b/row/row0mysql.c index 68cad5c8a6f..7a22e969f74 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -230,7 +230,7 @@ row_mysql_read_blob_ref( ulint col_len) /* in: BLOB reference length (not BLOB length) */ { - const byte* data; + byte* data; *len = mach_read_from_n_little_endian(ref, col_len - 8); @@ -836,7 +836,7 @@ row_update_statistics_if_needed( a counter table which is very small and updated very often. */ if (counter > 2000000000 - || ((ib_longlong)counter > 16 + table->stat_n_rows / 16)) { + || ((ib_int64_t)counter > 16 + table->stat_n_rows / 16)) { dict_update_statistics(table); } @@ -1909,6 +1909,7 @@ row_create_index_for_mysql( ulint err; ulint i; ulint len; + char* table_name; #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); @@ -1918,6 +1919,11 @@ row_create_index_for_mysql( trx->op_info = "creating index"; + /* Copy the table name because we may want to drop the + table later, after the index object is freed (inside + que_run_threads()) and thus index->table_name is not available. */ + table_name = mem_strdup(index->table_name); + trx_start_if_not_started(trx); /* Check that the same column does not appear twice in the index. @@ -1991,13 +1997,15 @@ error_handling: trx_general_rollback_for_mysql(trx, FALSE, NULL); - row_drop_table_for_mysql(index->table_name, trx, FALSE); + row_drop_table_for_mysql(table_name, trx, FALSE); trx->error_state = DB_SUCCESS; } trx->op_info = ""; + mem_free(table_name); + return((int) err); } @@ -2558,9 +2566,10 @@ row_import_tablespace_for_mysql( ibuf_delete_for_discarded_space(table->space); - success = fil_open_single_table_tablespace(TRUE, table->space, - dict_table_zip_size(table), - table->name); + success = fil_open_single_table_tablespace( + TRUE, table->space, + table->flags == DICT_TF_COMPACT ? 0 : table->flags, + table->name); if (success) { table->ibd_file_missing = FALSE; table->tablespace_discarded = FALSE; @@ -2742,9 +2751,9 @@ row_truncate_table_for_mysql( if (table->space && !table->dir_path_of_temp_table) { /* Discard and create the single-table tablespace. */ ulint space = table->space; - ulint zip_size= fil_space_get_zip_size(space); + ulint flags = fil_space_get_flags(space); - if (zip_size != ULINT_UNDEFINED + if (flags != ULINT_UNDEFINED && fil_discard_tablespace(space)) { dict_index_t* index; @@ -2752,7 +2761,7 @@ row_truncate_table_for_mysql( space = 0; if (fil_create_new_single_table_tablespace( - &space, table->name, FALSE, zip_size, + &space, table->name, FALSE, flags, FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { ut_print_timestamp(stderr); fprintf(stderr, diff --git a/row/row0sel.c b/row/row0sel.c index 47e4b845a82..d56a85dd190 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -651,12 +651,12 @@ row_sel_build_committed_vers_for_mysql( /* out: DB_SUCCESS or error code */ dict_index_t* clust_index, /* in: clustered index */ row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - rec_t* rec, /* in: record in a clustered index */ + const rec_t* rec, /* in: record in a clustered index */ ulint** offsets, /* in/out: offsets returned by rec_get_offsets(rec, clust_index) */ mem_heap_t** offset_heap, /* in/out: memory heap from which the offsets are allocated */ - rec_t** old_vers, /* out: old version, or NULL if the + const rec_t** old_vers, /* out: old version, or NULL if the record does not exist in the view: i.e., it was freshly inserted afterwards */ @@ -2494,14 +2494,14 @@ static void row_sel_store_row_id_to_prebuilt( /*=============================*/ - row_prebuilt_t* prebuilt, /* in: prebuilt */ - rec_t* index_rec, /* in: record */ - dict_index_t* index, /* in: index of the record */ - const ulint* offsets) /* in: rec_get_offsets - (index_rec, index) */ + row_prebuilt_t* prebuilt, /* in/out: prebuilt */ + const rec_t* index_rec, /* in: record */ + const dict_index_t* index, /* in: index of the record */ + const ulint* offsets) /* in: rec_get_offsets + (index_rec, index) */ { - byte* data; - ulint len; + const byte* data; + ulint len; ut_ad(rec_offs_validate(index_rec, index, offsets)); @@ -2759,6 +2759,25 @@ row_sel_store_mysql_rec( data = rec_get_nth_field(rec, offsets, templ->rec_field_no, &len); + + if (UNIV_UNLIKELY(templ->type == DATA_BLOB) + && len != UNIV_SQL_NULL) { + + /* It is a BLOB field locally stored in the + InnoDB record: we MUST copy its contents to + prebuilt->blob_heap here because later code + assumes all BLOB values have been copied to a + safe place. */ + + if (prebuilt->blob_heap == NULL) { + prebuilt->blob_heap = mem_heap_create( + UNIV_PAGE_SIZE); + } + + data = memcpy(mem_heap_alloc( + prebuilt->blob_heap, len), + data, len); + } } if (len != UNIV_SQL_NULL) { @@ -2847,7 +2866,7 @@ row_sel_build_prev_vers_for_mysql( read_view_t* read_view, /* in: read view */ dict_index_t* clust_index, /* in: clustered index */ row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - rec_t* rec, /* in: record in a clustered index */ + const rec_t* rec, /* in: record in a clustered index */ ulint** offsets, /* in/out: offsets returned by rec_get_offsets(rec, clust_index) */ mem_heap_t** offset_heap, /* in/out: memory heap from which @@ -2883,12 +2902,12 @@ row_sel_get_clust_rec_for_mysql( /* out: DB_SUCCESS or error code */ row_prebuilt_t* prebuilt,/* in: prebuilt struct in the handle */ dict_index_t* sec_index,/* in: secondary index where rec resides */ - rec_t* rec, /* in: record in a non-clustered index; if + const rec_t* rec, /* in: record in a non-clustered index; if this is a locking read, then rec is not allowed to be delete-marked, and that would not make sense either */ que_thr_t* thr, /* in: query thread */ - rec_t** out_rec,/* out: clustered record or an old version of + const rec_t** out_rec,/* out: clustered record or an old version of it, NULL if the old version did not exist in the read view, i.e., it was a fresh inserted version */ @@ -2903,7 +2922,7 @@ row_sel_get_clust_rec_for_mysql( access the clustered index */ { dict_index_t* clust_index; - rec_t* clust_rec; + const rec_t* clust_rec; rec_t* old_vers; ulint err; trx_t* trx; @@ -3234,7 +3253,7 @@ ulint row_sel_try_search_shortcut_for_mysql( /*==================================*/ /* out: SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ - rec_t** out_rec,/* out: record if found */ + const rec_t** out_rec,/* out: record if found */ row_prebuilt_t* prebuilt,/* in: prebuilt struct */ ulint** offsets,/* in/out: for rec_get_offsets(*out_rec) */ mem_heap_t** heap, /* in/out: heap for rec_get_offsets() */ @@ -3244,7 +3263,7 @@ row_sel_try_search_shortcut_for_mysql( const dtuple_t* search_tuple = prebuilt->search_tuple; btr_pcur_t* pcur = prebuilt->pcur; trx_t* trx = prebuilt->trx; - rec_t* rec; + const rec_t* rec; ut_ad(dict_index_is_clust(index)); ut_ad(!prebuilt->templ_contains_blob); @@ -3335,9 +3354,9 @@ row_search_for_mysql( trx_t* trx = prebuilt->trx; dict_index_t* clust_index; que_thr_t* thr; - rec_t* rec; - rec_t* result_rec; - rec_t* clust_rec; + const rec_t* rec; + const rec_t* result_rec; + const rec_t* clust_rec; ulint err = DB_SUCCESS; ibool unique_search = FALSE; ibool unique_search_from_clust_index = FALSE; @@ -3680,7 +3699,9 @@ shortcut_fails_too_big_rec: if (trx->isolation_level <= TRX_ISO_READ_COMMITTED && prebuilt->select_lock_type != LOCK_NONE - && trx->mysql_query_str && trx->mysql_thd) { + && trx->mysql_thd != NULL + && trx->mysql_query_str != NULL + && *trx->mysql_query_str != NULL) { /* Scan the MySQL query string; check if SELECT is the first word there */ @@ -3757,13 +3778,12 @@ shortcut_fails_too_big_rec: /* Try to place a gap lock on the next index record to prevent phantoms in ORDER BY ... DESC queries */ + const rec_t* next = page_rec_get_next_const(rec); - offsets = rec_get_offsets(page_rec_get_next(rec), - index, offsets, + offsets = rec_get_offsets(next, index, offsets, ULINT_UNDEFINED, &heap); err = sel_set_rec_lock(btr_pcur_get_block(pcur), - page_rec_get_next(rec), - index, offsets, + next, index, offsets, prebuilt->select_lock_type, LOCK_GAP, thr); @@ -4103,7 +4123,7 @@ no_gap_lock: lock_type, thr); switch (err) { - rec_t* old_vers; + const rec_t* old_vers; case DB_SUCCESS: break; case DB_LOCK_WAIT: @@ -4657,7 +4677,7 @@ row_search_check_if_query_cache_permitted( Read the AUTOINC column from the current row. If the value is less than 0 and the type is not unsigned then we reset the value to 0. */ static -ib_longlong +ib_uint64_t row_search_autoinc_read_column( /*===========================*/ /* out: value read from the column */ @@ -4668,33 +4688,28 @@ row_search_autoinc_read_column( { ulint len; const byte* data; - ib_longlong value; + ib_uint64_t value; mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets = offsets_; rec_offs_init(offsets_); - /* TODO: We have to cast away the const of rec for now. This needs - to be fixed later.*/ - offsets = rec_get_offsets( - (rec_t*) rec, index, offsets, ULINT_UNDEFINED, &heap); + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - /* TODO: We have to cast away the const of rec for now. This needs - to be fixed later.*/ - data = rec_get_nth_field((rec_t*)rec, offsets, col_no, &len); + data = rec_get_nth_field(rec, offsets, col_no, &len); ut_a(len != UNIV_SQL_NULL); ut_a(len <= sizeof value); /* we assume AUTOINC value cannot be negative */ - value = (ib_longlong) mach_read_int_type(data, len, unsigned_type); + value = mach_read_int_type(data, len, unsigned_type); if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } - if (!unsigned_type && value < 0) { + if (!unsigned_type && (ib_int64_t) value < 0) { value = 0; } @@ -4733,7 +4748,7 @@ row_search_max_autoinc( column name can't be found in index */ dict_index_t* index, /* in: index to search */ const char* col_name, /* in: name of autoinc column */ - ib_longlong* value) /* out: AUTOINC value read */ + ib_uint64_t* value) /* out: AUTOINC value read */ { ulint i; ulint n_cols; diff --git a/row/row0upd.c b/row/row0upd.c index 3efbb98a346..17624d1e124 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -865,6 +865,99 @@ row_upd_ext_fetch( return(buf); } +/*************************************************************** +Replaces the new column value stored in the update vector in +the given index entry field. */ +static +void +row_upd_index_replace_new_col_val( +/*==============================*/ + dfield_t* dfield, /* in/out: data field + of the index entry */ + const dict_field_t* field, /* in: index field */ + const dict_col_t* col, /* in: field->col */ + const upd_field_t* uf, /* in: update field */ + mem_heap_t* heap, /* in: memory heap for allocating + and copying the new value */ + ulint zip_size)/* in: compressed page + size of the table, or 0 */ +{ + ulint len; + const byte* data; + + dfield_copy_data(dfield, &uf->new_val); + + if (dfield_is_null(dfield)) { + return; + } + + len = dfield_get_len(dfield); + data = dfield_get_data(dfield); + + if (field->prefix_len > 0) { + ibool fetch_ext = dfield_is_ext(dfield) + && len < (ulint) field->prefix_len + + BTR_EXTERN_FIELD_REF_SIZE; + + if (fetch_ext) { + ulint l = len; + + len = field->prefix_len; + + data = row_upd_ext_fetch(data, l, zip_size, + &len, heap); + } + + len = dtype_get_at_most_n_mbchars(col->prtype, + col->mbminlen, col->mbmaxlen, + field->prefix_len, len, + (const char*) data); + + dfield_set_data(dfield, data, len); + + if (!fetch_ext) { + dfield_dup(dfield, heap); + } + + return; + } + + switch (uf->orig_len) { + byte* buf; + case BTR_EXTERN_FIELD_REF_SIZE: + /* Restore the original locally stored + part of the column. In the undo log, + InnoDB writes a longer prefix of externally + stored columns, so that column prefixes + in secondary indexes can be reconstructed. */ + dfield_set_data(dfield, + data + len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + dfield_set_ext(dfield); + /* fall through */ + case 0: + dfield_dup(dfield, heap); + break; + default: + /* Reconstruct the original locally + stored part of the column. The data + will have to be copied. */ + ut_a(uf->orig_len > BTR_EXTERN_FIELD_REF_SIZE); + buf = mem_heap_alloc(heap, uf->orig_len); + /* Copy the locally stored prefix. */ + memcpy(buf, data, + uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE); + /* Copy the BLOB pointer. */ + memcpy(buf + uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE, + data + len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + + dfield_set_data(dfield, buf, uf->orig_len); + dfield_set_ext(dfield); + break; + } +} + /*************************************************************** Replaces the new column values stored in the update vector to the index entry given. */ @@ -885,18 +978,12 @@ row_upd_index_replace_new_col_vals_index_pos( /* in: if TRUE, limit the replacement to ordering fields of index; note that this does not work for non-clustered indexes. */ - mem_heap_t* heap, /* in: memory heap to which we allocate and - copy the new values, set this as NULL if you - do not want allocation */ - mem_heap_t* ext_heap)/* in: memory heap where to allocate - column prefixes of externally stored - columns, may be NULL if the index - record does not contain externally - stored columns or column prefixes */ + mem_heap_t* heap) /* in: memory heap for allocating and + copying the new values */ { - ulint j; ulint i; ulint n_fields; + const ulint zip_size = dict_table_zip_size(index->table); ut_ad(index); @@ -908,80 +995,19 @@ row_upd_index_replace_new_col_vals_index_pos( n_fields = dict_index_get_n_fields(index); } - for (j = 0; j < n_fields; j++) { + for (i = 0; i < n_fields; i++) { + const dict_field_t* field; + const dict_col_t* col; + const upd_field_t* uf; - dict_field_t* field - = dict_index_get_nth_field(index, j); - const dict_col_t* col - = dict_field_get_col(field); + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + uf = upd_get_field_by_field_no(update, i); - for (i = 0; i < upd_get_n_fields(update); i++) { - - upd_field_t* upd_field; - dfield_t* dfield; - - upd_field = upd_get_nth_field(update, i); - - if (upd_field->field_no != j) { - continue; - } - - dfield = dtuple_get_nth_field(entry, j); - - dfield_copy_data(dfield, &upd_field->new_val); - - if (dfield_is_null(dfield)) { - break; - } - - if (field->prefix_len > 0) { - ulint len - = dfield_get_len(dfield); - const byte* data - = dfield_get_data(dfield); - ibool fetch_ext - = dfield_is_ext(dfield) - && len < (ulint) field->prefix_len - + BTR_EXTERN_FIELD_REF_SIZE; - - if (fetch_ext) { - ulint l - = len; - ulint zip_size - = dict_table_zip_size( - index->table); - ut_a(ext_heap); - - len = field->prefix_len; - - data = row_upd_ext_fetch(data, l, - zip_size, - &len, - ext_heap); - } - - len = dtype_get_at_most_n_mbchars( - col->prtype, - col->mbminlen, - col->mbmaxlen, - field->prefix_len, - len, (const char*) data); - - dfield_set_data(dfield, data, len); - - if (fetch_ext && heap && heap == ext_heap) { - /* Skip the dfield_dup() below, - as the column prefix has already - been allocated from ext_heap. */ - break; - } - } - - if (heap) { - dfield_dup(dfield, heap); - } - - break; + if (uf) { + row_upd_index_replace_new_col_val( + dtuple_get_nth_field(entry, i), + field, col, uf, heap, zip_size); } } } @@ -1002,101 +1028,31 @@ row_upd_index_replace_new_col_vals( const upd_t* update, /* in: an update vector built for the CLUSTERED index so that the field number in an upd_field is the clustered index position */ - mem_heap_t* heap, /* in: memory heap to which we allocate and - copy the new values, set this as NULL if you - do not want allocation */ - mem_heap_t* ext_heap)/* in: memory heap where to allocate - column prefixes of externally stored - columns, may be NULL if the index - record does not contain externally - stored columns or column prefixes */ + mem_heap_t* heap) /* in: memory heap for allocating and + copying the new values */ { - ulint j; - ulint i; - dict_index_t* clust_index; - - ut_ad(index); - - clust_index = dict_table_get_first_index(index->table); + ulint i; + const dict_index_t* clust_index + = dict_table_get_first_index(index->table); + const ulint zip_size + = dict_table_zip_size(index->table); dtuple_set_info_bits(entry, update->info_bits); - for (j = 0; j < dict_index_get_n_fields(index); j++) { + for (i = 0; i < dict_index_get_n_fields(index); i++) { + const dict_field_t* field; + const dict_col_t* col; + const upd_field_t* uf; - dict_field_t* field - = dict_index_get_nth_field(index, j); - const dict_col_t* col - = dict_field_get_col(field); - const ulint clust_pos - = dict_col_get_clust_pos(col, clust_index); + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + uf = upd_get_field_by_field_no( + update, dict_col_get_clust_pos(col, clust_index)); - for (i = 0; i < upd_get_n_fields(update); i++) { - - upd_field_t* upd_field; - dfield_t* dfield; - - upd_field = upd_get_nth_field(update, i); - - if (upd_field->field_no != clust_pos) { - continue; - } - - dfield = dtuple_get_nth_field(entry, j); - - dfield_copy_data(dfield, &upd_field->new_val); - - if (dfield_is_null(dfield)) { - break; - } - - if (field->prefix_len > 0) { - ulint len - = dfield_get_len(dfield); - const byte* data - = dfield_get_data(dfield); - ibool fetch_ext - = dfield_is_ext(dfield) - && len < (ulint) field->prefix_len - + BTR_EXTERN_FIELD_REF_SIZE; - - if (fetch_ext) { - ulint l - = len; - ulint zip_size - = dict_table_zip_size( - index->table); - ut_a(ext_heap); - - len = field->prefix_len; - - data = row_upd_ext_fetch(data, l, - zip_size, - &len, - ext_heap); - } - - len = dtype_get_at_most_n_mbchars( - col->prtype, - col->mbminlen, - col->mbmaxlen, - field->prefix_len, - len, (const char*) data); - - dfield_set_data(dfield, data, len); - - if (fetch_ext && heap && heap == ext_heap) { - /* Skip the dfield_dup() below, - as the column prefix has already - been allocated from ext_heap. */ - break; - } - } - - if (heap) { - dfield_dup(dfield, heap); - } - - break; + if (uf) { + row_upd_index_replace_new_col_val( + dtuple_get_nth_field(entry, i), + field, col, uf, heap, zip_size); } } } diff --git a/row/row0vers.c b/row/row0vers.c index edbc3957554..2eea578cba4 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -306,14 +306,14 @@ row_vers_old_has_index_entry( ibool also_curr,/* in: TRUE if also rec is included in the versions to search; otherwise only versions prior to it are searched */ - rec_t* rec, /* in: record in the clustered index; the + const rec_t* rec, /* in: record in the clustered index; the caller must have a latch on the page */ mtr_t* mtr, /* in: mtr holding the latch on rec; it will also hold the latch on purge_view */ dict_index_t* index, /* in: the secondary index */ const dtuple_t* ientry) /* in: the secondary index entry */ { - rec_t* version; + const rec_t* version; rec_t* prev_version; dict_index_t* clust_index; ulint* clust_offsets; @@ -443,7 +443,7 @@ ulint row_vers_build_for_consistent_read( /*===============================*/ /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /* in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ @@ -455,14 +455,14 @@ row_vers_build_for_consistent_read( mem_heap_t** offset_heap,/* in/out: memory heap from which the offsets are allocated */ mem_heap_t* in_heap,/* in: memory heap from which the memory for - old_vers is allocated; memory for possible + *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ rec_t** old_vers)/* out, own: old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ { - rec_t* version; + const rec_t* version; rec_t* prev_version; dulint trx_id; mem_heap_t* heap = NULL; @@ -575,7 +575,7 @@ ulint row_vers_build_for_semi_consistent_read( /*====================================*/ /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /* in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ @@ -586,14 +586,14 @@ row_vers_build_for_semi_consistent_read( mem_heap_t** offset_heap,/* in/out: memory heap from which the offsets are allocated */ mem_heap_t* in_heap,/* in: memory heap from which the memory for - old_vers is allocated; memory for possible + *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - rec_t** old_vers)/* out, own: rec, old version, or NULL if the + const rec_t** old_vers)/* out: rec, old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ { - rec_t* version; + const rec_t* version; mem_heap_t* heap = NULL; byte* buf; ulint err; diff --git a/scripts/build-plugin.sh b/scripts/build-plugin.sh deleted file mode 100755 index df79d977ebd..00000000000 --- a/scripts/build-plugin.sh +++ /dev/null @@ -1,149 +0,0 @@ -#!/bin/sh -# -# (C)opyright Oracle/Innobase Oy. 2007 -# -# Prerequisites: At the minimum rsync, auto{make, conf}, gcc, g++, perl -# -# Purpose: Build a dynamic plugin that can be distributed to users. -# -# Usage: This script takes at the minimum 4 parameters: -# 1. the MySQL source directory, -# -# 2. the plugin build directory - better if this doesn't exist, -# -# 3. an SVN repository URL or path to a tar.gz file that contains -# the plugin source. The tar file should be named such that the -# top level directory in the archive is reflected in the name of -# the tar file. e.g. innodb-5.1-1.0.b1.tar.gz when extracted should -# have a top level directory named "innodb-5.1-1.0.b1". -# -# 4. path to the target mysqlbug file or '-', if the third param is -# '-' then all options following it are passed to the configure command. -# -# Note: The mysqlbug file is normally located in the bin directory where you -# will find the MySQL binaries. Remember to use the same mysqlbug file as the -# one used by the target version, run (grep '^VERSION=' mysqlbug) file to check. - -set -eu - -# Calculate the length of a string -strlen() -{ - STRLEN=`echo "$@" | wc -c | cut -c1-8` - STRLEN=`expr $STRLEN - 1` - echo $STRLEN -} - -INNODIR="storage/innobase" -DYNTMPFILE="/tmp/configure.$$" -DYNCONFIG="$INNODIR/scripts/dynconfig" -SVN_REPO="https://svn.innodb.com/svn/innodb" -SVN_REPO_STRLEN=`strlen $SVN_REPO` - -if [ $# -lt 4 ]; then - echo>&2 "Usage: $0 mysql-source-dir build-dir innosrc (/path/to/mysqlbug | - followed by configure options)" - exit 1 -fi - -SRC=$1; shift -BLD=$1; shift -SVN=$1; shift -CFL=$1; shift - -# These can be overridden with environment variables. -# For example: MAKE="make -j4" or RSYNC="rsync -v" -: ${RSYNC="rsync --inplace"} -: ${MAKE="make"} -: ${SVN_CO="svn checkout -q"} - -# TODO: exclude more -echo "Copying source from $SRC to $BLD ... " -$RSYNC --exclude '*.c' --exclude '*.cc' --exclude 'storage/*/' \ - --delete-excluded -a "$SRC/" "$BLD/" -# the dependencies of include/mysqld_error.h -$RSYNC -a "$SRC"/strings "$SRC"/dbug "$SRC"/mysys "$BLD" -$RSYNC -a "$SRC"/extra/comp_err.c "$BLD"/extra/comp_err.c - -cd "$BLD" -touch sql/mysqld.cc -rm -rf $INNODIR - -# If we are building from the SVN repository then use svn tools -# otherwise the assumption is that we are dealing with a gzipped -# tarball. -REPO=${SVN:0:$SVN_REPO_STRLEN} -if [ "$REPO"x = "$SVN_REPO"x ]; then - $SVN_CO "$SVN" $INNODIR -else - ( - echo "Extracting source from tar file $SVN ..." - cd `dirname $INNODIR` - gunzip < $SVN | tar xf - - mv `basename ${SVN%.t*z}` `basename $INNODIR` - ) -fi - -echo "Creating Makefiles ..." -# Generate ./configure and storage/innobase/Makefile.in -#aclocal -#autoheader -#libtoolize --automake --force --copy -#automake --force --add-missing --copy -#autoconf - -autoreconf --force --install - -if [ "$CFL" != "-" ]; then - - if [ ! -f "$CFL" ]; then - echo "$CFL not found!" - exit 1 - fi - - if [ ! -f "$DYNCONFIG" ]; then - echo "$DYNCONFIG not found!" - exit 1 - fi - - trap "{ rm -f $DYNTMPFILE; }" EXIT SIGINT SIGTERM - - # Generate storage/innobase/Makefile and other prerequisites - $DYNCONFIG $CFL > $DYNTMPFILE - - if [ $? -ne 0 ]; then - echo "dynconfig failed to get config parameters: $CONFIGURE" - exit 1 - fi - - # Now run the configure command - chmod +x $DYNTMPFILE - - echo - echo "***************************************************************" - echo "Building plugin with " `grep '^VERSION=' $CFL` \ - " configure options" - echo "***************************************************************" - echo - - # Display the config parameters that will be used - cat $DYNTMPFILE - - /bin/sh -c $DYNTMPFILE > /dev/null -else - ./configure "$@" -fi - -(cd include; $MAKE my_config.h) - -if [ ! -f include/mysqld_error.h ]; then - echo "Generating include/mysqld_error.h ..." - # Generate include/mysqld_error.h - (cd strings; $MAKE) - (cd dbug; $MAKE) - (cd mysys; $MAKE) - (cd extra; $MAKE ../include/mysqld_error.h) -fi - -# Compile the InnoDB plugin. -cd $INNODIR -exec $MAKE diff --git a/scripts/dynconfig b/scripts/dynconfig deleted file mode 100755 index 99b442c90c6..00000000000 --- a/scripts/dynconfig +++ /dev/null @@ -1,195 +0,0 @@ -#!/usr/bin/perl -w -# -# (C)opyright Oracle/Innobase Oy. 2007. -# -# The purpose of this (simple) script is to create a configure command line -# that can be used to build the InnoDB dynamic plugin. It makes the assumption -# that the configure parameters are quoted like so '--with-innodb'. It uses -# this to split the string on "'". -# -# Usage: dynconfig -# -# RETURNS: 0 OK - -use strict; -use warnings; - -my $buffer; - -# These are the engines whose config parameters we need to remove. -my @engines = ( - "ndbcluster", - "innodb", - "csv", - "archive", - "blackhole", - "example", - "federated", - "embedded-server", - "partition" -); - -# Map the following variables to something else. If you want to remove any -# parameters from the configure command line, simply add an "" value to the -# hashtable below. -my %mapped = ( - "--disable-shared" => "", - "--enable-static" => "--enable-shared" -); - -# Variables to use from the environment if defined -my @environment = ( - "CC", - "CXX" -); - -sub get_value { - my ($line) = @_; - - $line =~ s/^CONFIGURE_LINE="(.*)"$/$1/; - - return($line); -} - -sub is_with_engine { - my ($param) = @_; - - foreach my $engine (@engines) { - - if ($param =~ /--with-$engine/) { - return($engine); - } elsif ($param =~ /--with-$engine-storage-engine/) { - return($engine); - } - } - - return(undef); -} - -sub map_param { - my ($param) = @_; - my ($name, $value) = split(/=/, $param); - my $mapped; - - if (!defined($value)) { - $mapped = $mapped{$param}; - } else { - $mapped = $mapped{$name}; - } - - return(defined($mapped) ? $mapped: $param); -} - -# Remove leading whitespace -sub ltrim($) { - my $string = shift; - - $string =~ s/^\s+//; - - return $string; -} - -# Remove trailing whitespace -sub rtrim($) { - my $string = shift; - - $string =~ s/\s+$//; - - return $string; -} - -# Remove leading and trailing whitespace -sub squeeze($) { - my $string = shift; - - return(rtrim(ltrim($string))); -} - -if ($#ARGV != 0) { - die "usage: $0 path/to/mysqlbug\n"; -} - -open(F, $ARGV[0]) || - die "Error opening $ARGV[0]: $!\n"; -read(F, $buffer, 131072) || - die "Error reading file $ARGV[0]: $!\n"; -close(F); - -my @matched = grep(/^CONFIGURE_LINE=/, split(/\n/, $buffer)); - -# Check for no match -if ($#matched == -1 ) { - die "CONFIGURE_LINE= not found in : $ARGV[0]\n"; -# Check if more than one line matched -} elsif ($#matched > 0) { - die "Error: $#matched matches for CONFIGURE_LINE= found.\n"; -} - -# Since CONFIGURE_LINE is an environment variable we extract the value, -# stripping the "" quotes around the value too. -my $configure = get_value($matched[0]); - -# Insert the environment variables if found into the hash table -foreach my $var (@environment) { - - if (defined($ENV{$var})) { - $mapped{$var} = "$var=" . $ENV{$var}; - } -} - -# Set the value to "" for the parameters to be removed. -if (defined($ENV{"MYSQL_CONFIG_DEL"})) { - my $value = $ENV{"MYSQL_CONFIG_DEL"}; - - ($value) =~ s/MYSQL_CONFIG_DEL="(.+)"$/$1/; - - foreach my $param (split(/,/, $value)) { - $param = squeeze($param); - - if ($param =~ /^'(.+)'$/) { - $param = $1; - } - $mapped{$param} = ""; - } -} - -my @arr = split("'", $configure); - -foreach my $param (@arr) { - - # Skip blank lines - if ($param =~ /^\s+$/) { - next; - # We don't want to put quotes around the command - } elsif ($param =~ /.\/configure/) { - print "$param"; - next; - # Filter out the --with-engine parameters - } elsif (is_with_engine($param)) { - next; - } - - $param = map_param($param); - - if (length($param) > 0) { - print " '$param'"; - } -} - -if (defined($ENV{"MYSQL_CONFIG_ADD"})) { - my $value = $ENV{"MYSQL_CONFIG_ADD"}; - - $value =~ s/MYSQL_CONFIG_ADD="(.+)"$/$1/; - - foreach my $param (split(/,/, $value)) { - $param = squeeze($param); - if ($param =~ /^'(.+)'$/) { - $param = $1; - } - print " '$param'"; - } -} - -print "\n"; - -exit(0); diff --git a/scripts/install_innodb_plugins.sql b/scripts/install_innodb_plugins.sql new file mode 100644 index 00000000000..3fdb8f11e22 --- /dev/null +++ b/scripts/install_innodb_plugins.sql @@ -0,0 +1,9 @@ +-- execute these to install InnoDB if it is built as a dynamic plugin +INSTALL PLUGIN innodb SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.so'; diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 6204a60e4ca..0df661334c9 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -87,10 +87,21 @@ UNIV_INTERN char* srv_arch_dir = NULL; /* store to its own file each table created by an user; data dictionary tables are in the system tablespace 0 */ -UNIV_INTERN ibool srv_file_per_table = FALSE; +UNIV_INTERN my_bool srv_file_per_table; +/* The file format to use on new *.ibd files. */ +UNIV_INTERN ulint srv_file_format = 0; +/* Whether to check file format during startup a value of +DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to +set it to the highest format we support. */ +UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; + +#if DICT_TF_FORMAT_51 +# error "DICT_TF_FORMAT_51 must be 0!" +#endif /* Place locks to records only i.e. do not use next-key locking except on duplicate key checking and foreign key checking */ UNIV_INTERN ibool srv_locks_unsafe_for_binlog = FALSE; + UNIV_INTERN ulint srv_n_data_files = 0; UNIV_INTERN char** srv_data_file_names = NULL; /* size in database pages */ @@ -156,7 +167,7 @@ a heavier load on the I/O sub system. */ UNIV_INTERN ulong srv_insert_buffer_batch_size = 20; UNIV_INTERN char* srv_file_flush_method_str = NULL; -UNIV_INTERN ulint srv_unix_file_flush_method = SRV_UNIX_FDATASYNC; +UNIV_INTERN ulint srv_unix_file_flush_method = SRV_UNIX_FSYNC; UNIV_INTERN ulint srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; UNIV_INTERN ulint srv_max_n_open_files = 300; @@ -332,7 +343,7 @@ static ulint srv_n_rows_read_old = 0; UNIV_INTERN ulint srv_n_lock_wait_count = 0; UNIV_INTERN ulint srv_n_lock_wait_current_count = 0; -UNIV_INTERN ib_longlong srv_n_lock_wait_time = 0; +UNIV_INTERN ib_int64_t srv_n_lock_wait_time = 0; UNIV_INTERN ulint srv_n_lock_max_wait_time = 0; @@ -1361,8 +1372,8 @@ srv_suspend_mysql_thread( trx_t* trx; ulint had_dict_lock; ibool was_declared_inside_innodb = FALSE; - ib_longlong start_time = 0; - ib_longlong finish_time; + ib_int64_t start_time = 0; + ib_int64_t finish_time; ulint diff_time; ulint sec; ulint ms; @@ -1412,7 +1423,7 @@ srv_suspend_mysql_thread( srv_n_lock_wait_current_count++; ut_usectime(&sec, &ms); - start_time = (ib_longlong)sec * 1000000 + ms; + start_time = (ib_int64_t)sec * 1000000 + ms; } /* Wake the lock timeout monitor thread, if it is suspended */ @@ -1476,7 +1487,7 @@ srv_suspend_mysql_thread( if (thr->lock_state == QUE_THR_LOCK_ROW) { ut_usectime(&sec, &ms); - finish_time = (ib_longlong)sec * 1000000 + ms; + finish_time = (ib_int64_t)sec * 1000000 + ms; diff_time = (ulint) (finish_time - start_time); diff --git a/srv/srv0start.c b/srv/srv0start.c index 9e9845acfe9..555155db3d5 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -70,9 +70,9 @@ UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; UNIV_INTERN ibool srv_is_being_started = FALSE; +UNIV_INTERN ibool srv_was_started = FALSE; #ifndef UNIV_HOTBACKUP static ibool srv_start_has_been_called = FALSE; -static ibool srv_was_started = FALSE; #endif /* !UNIV_HOTBACKUP */ /* At a shutdown the value first climbs to SRV_SHUTDOWN_CLEANUP @@ -665,7 +665,7 @@ open_or_create_log_file( if (k == 0 && i == 0) { arch_space_id = 2 * k + 1 + SRV_LOG_SPACE_FIRST_ID; - fil_space_create("arch_log_space", arch_space_id, FIL_LOG); + fil_space_create("arch_log_space", arch_space_id, 0, FIL_LOG); } else { arch_space_id = ULINT_UNDEFINED; } @@ -979,7 +979,7 @@ innobase_start_or_create_for_mysql(void) ulint tablespace_size_in_header; ulint err; ulint i; - ibool srv_file_per_table_original_value + my_bool srv_file_per_table_original_value = srv_file_per_table; mtr_t mtr; #ifdef HAVE_DARWIN_THREADS @@ -1015,8 +1015,11 @@ innobase_start_or_create_for_mysql(void) (ulong)sizeof(ulint), (ulong)sizeof(void*)); } - srv_file_per_table = FALSE; /* system tables are created in tablespace - 0 */ + /* System tables are created in tablespace 0. Thus, we must + temporarily clear srv_file_per_table. This is ok, because the + server will not accept connections (which could modify + innodb_file_per_table) until this function has returned. */ + srv_file_per_table = FALSE; #ifdef UNIV_DEBUG fprintf(stderr, "InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!\n"); @@ -1088,12 +1091,12 @@ innobase_start_or_create_for_mysql(void) if (srv_file_flush_method_str == NULL) { /* These are the default options */ - srv_unix_file_flush_method = SRV_UNIX_FDATASYNC; + srv_unix_file_flush_method = SRV_UNIX_FSYNC; srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; #ifndef __WIN__ - } else if (0 == ut_strcmp(srv_file_flush_method_str, "fdatasync")) { - srv_unix_file_flush_method = SRV_UNIX_FDATASYNC; + } else if (0 == ut_strcmp(srv_file_flush_method_str, "fsync")) { + srv_unix_file_flush_method = SRV_UNIX_FSYNC; } else if (0 == ut_strcmp(srv_file_flush_method_str, "O_DSYNC")) { srv_unix_file_flush_method = SRV_UNIX_O_DSYNC; @@ -1405,6 +1408,8 @@ innobase_start_or_create_for_mysql(void) mutex_exit(&(log_sys->mutex)); } + trx_sys_file_format_init(); + if (create_new_db) { mtr_start(&mtr); fsp_header_init(0, sum_of_new_sizes, &mtr); @@ -1436,11 +1441,21 @@ innobase_start_or_create_for_mysql(void) /* Initialize the fsp free limit global variable in the log system */ - fsp_header_get_free_limit(0); + fsp_header_get_free_limit(); recv_recovery_from_archive_finish(); #endif /* UNIV_LOG_ARCHIVE */ } else { + + /* Check if we support the max format that is stamped + on the system tablespace. */ + err = trx_sys_file_format_max_check( + srv_check_file_format_at_startup); + + if (err != DB_SUCCESS) { + return(err); + } + /* We always try to do a recovery, even if the database had been shut down normally: this is the normal startup path */ @@ -1491,7 +1506,7 @@ innobase_start_or_create_for_mysql(void) /* Initialize the fsp free limit global variable in the log system */ - fsp_header_get_free_limit(0); + fsp_header_get_free_limit(); /* recv_recovery_from_checkpoint_finish needs trx lists which are initialized in trx_sys_init_at_db_start(). */ @@ -1547,7 +1562,6 @@ innobase_start_or_create_for_mysql(void) /* Create the thread which warns of long semaphore waits */ os_thread_create(&srv_error_monitor_thread, NULL, thread_ids + 3 + SRV_MAX_N_IO_THREADS); - srv_was_started = TRUE; srv_is_being_started = FALSE; if (trx_doublewrite == NULL) { @@ -1576,7 +1590,7 @@ innobase_start_or_create_for_mysql(void) sum_of_data_file_sizes += srv_data_file_sizes[i]; } - tablespace_size_in_header = fsp_header_get_tablespace_size(0); + tablespace_size_in_header = fsp_header_get_tablespace_size(); if (!srv_auto_extend_last_data_file && sum_of_data_file_sizes != tablespace_size_in_header) { @@ -1660,8 +1674,9 @@ innobase_start_or_create_for_mysql(void) if (srv_print_verbose_log) { ut_print_timestamp(stderr); fprintf(stderr, - " InnoDB: Started; log sequence number %llu\n", - srv_start_lsn); + " InnoDB Plugin %s started; " + "log sequence number %llu\n", + INNODB_VERSION_STR, srv_start_lsn); } if (srv_force_recovery > 0) { @@ -1733,6 +1748,8 @@ innobase_start_or_create_for_mysql(void) srv_file_per_table = srv_file_per_table_original_value; + srv_was_started = TRUE; + return((int) DB_SUCCESS); } @@ -1868,6 +1885,8 @@ innobase_shutdown_for_mysql(void) srv_misc_tmpfile = 0; } + trx_sys_file_format_close(); + mutex_free(&srv_monitor_file_mutex); mutex_free(&srv_dict_tmpfile_mutex); mutex_free(&srv_misc_tmpfile_mutex); @@ -1926,6 +1945,8 @@ innobase_shutdown_for_mysql(void) srv_shutdown_lsn); } + srv_was_started = FALSE; + return((int) DB_SUCCESS); } diff --git a/sync/sync0arr.c b/sync/sync0arr.c index aecf036edeb..c24e19a8378 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -70,7 +70,7 @@ struct sync_cell_struct { ibool waiting; /* TRUE if the thread has already called sync_array_event_wait on this cell */ - ib_longlong signal_count; /* We capture the signal_count + ib_int64_t signal_count; /* We capture the signal_count of the wait_object when we reset the event. This value is then passed on to os_event_wait @@ -297,7 +297,7 @@ sync_array_validate( /*********************************************************************** Puts the cell event in reset state. */ static -ib_longlong +ib_int64_t sync_cell_event_reset( /*==================*/ /* out: value of signal_count diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 31196a154c0..09f6ce0f41d 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -418,7 +418,7 @@ mutex_spin_wait( ulint index; /* index of the reserved wait cell */ ulint i; /* spin round count */ #if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - ib_longlong lstart_time = 0, lfinish_time; /* for timing os_wait */ + ib_int64_t lstart_time = 0, lfinish_time; /* for timing os_wait */ ulint ltime_diff; ulint sec; ulint ms; @@ -455,7 +455,7 @@ spin_loop: mutex->count_os_yield++; if (timed_mutexes == 1 && timer_started==0) { ut_usectime(&sec, &ms); - lstart_time= (ib_longlong)sec * 1000000 + ms; + lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } #endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ @@ -561,7 +561,7 @@ spin_loop: if (timed_mutexes == 1 && timer_started==0) { ut_usectime(&sec, &ms); - lstart_time= (ib_longlong)sec * 1000000 + ms; + lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } # endif /* UNIV_DEBUG */ @@ -574,7 +574,7 @@ finish_timing: #if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP if (timed_mutexes == 1 && timer_started==1) { ut_usectime(&sec, &ms); - lfinish_time= (ib_longlong)sec * 1000000 + ms; + lfinish_time= (ib_int64_t)sec * 1000000 + ms; ltime_diff= (ulint) (lfinish_time - lstart_time); mutex->lspent_time += ltime_diff; @@ -1055,6 +1055,7 @@ sync_thread_add_level( case SYNC_THR_LOCAL: case SYNC_ANY_LATCH: case SYNC_TRX_SYS_HEADER: + case SYNC_FILE_FORMAT_TAG: case SYNC_DOUBLEWRITE: case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: @@ -1224,6 +1225,18 @@ sync_thread_reset_level( } } + if (((mutex_t*) latch)->magic_n != MUTEX_MAGIC_N) { + rw_lock_t* rw_lock; + + rw_lock = (rw_lock_t*) latch; + + if (rw_lock->level == SYNC_LEVEL_VARYING) { + mutex_exit(&sync_thread_mutex); + + return(TRUE); + } + } + ut_error; mutex_exit(&sync_thread_mutex); diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 066686edfed..69374e9c207 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -108,8 +108,8 @@ typedef struct i_s_mem_chunk_struct { /* This represents one table's cache. */ typedef struct i_s_table_cache_struct { - ullint rows_used; /* number of used rows */ - ullint rows_allocd; /* number of allocated rows */ + ulint rows_used; /* number of used rows */ + ulint rows_allocd; /* number of allocated rows */ ulint row_size; /* size of a single row */ i_s_mem_chunk_t chunks[MEM_CHUNKS_IN_TABLE_CACHE]; /* array of memory chunks that stores the @@ -780,6 +780,7 @@ locks_row_eq_lock( default: ut_error; + return(FALSE); } #endif } @@ -1305,7 +1306,7 @@ cache_select_table( Retrieves the number of used rows in the cache for a given INFORMATION SCHEMA table. */ UNIV_INTERN -ullint +ulint trx_i_s_cache_get_rows_used( /*========================*/ /* out: number of rows */ diff --git a/trx/trx0rec.c b/trx/trx0rec.c index d1d4ac37459..50f23c84834 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -572,7 +572,7 @@ trx_undo_page_report_modify( type_cmpl |= cmpl_info * TRX_UNDO_CMPL_INFO_MULT; type_cmpl_ptr = ptr; - *ptr++ = type_cmpl; + *ptr++ = (byte) type_cmpl; ptr += mach_dulint_write_much_compressed(ptr, trx->undo_no); ptr += mach_dulint_write_much_compressed(ptr, table->id); @@ -580,7 +580,7 @@ trx_undo_page_report_modify( /*----------------------------------------*/ /* Store the state of the info bits */ - *ptr++ = rec_get_info_bits(rec, dict_table_is_comp(table)); + *ptr++ = (byte) rec_get_info_bits(rec, dict_table_is_comp(table)); /* Store the values of the system columns */ field = rec_get_nth_field(rec, offsets, @@ -1552,8 +1552,7 @@ trx_undo_prev_version_build( /* The page containing the clustered index record corresponding to entry is latched in mtr. Thus the following call is safe. */ - row_upd_index_replace_new_col_vals(entry, index, update, - heap, heap); + row_upd_index_replace_new_col_vals(entry, index, update, heap); buf = mem_heap_alloc(heap, rec_get_converted_size(index, entry, n_ext)); diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 513f196d3b1..5331f23e50e 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -35,7 +35,7 @@ static trx_t* trx_roll_crash_recv_trx = NULL; /* In crash recovery we set this to the undo n:o of the current trx to be rolled back. Then we can print how many % the rollback has progressed. */ -static ib_longlong trx_roll_max_undo_no; +static ib_int64_t trx_roll_max_undo_no; /* Auxiliary variable which tells the previous progress % we printed */ static ulint trx_roll_progress_printed_pct; @@ -217,7 +217,7 @@ trx_rollback_to_savepoint_for_mysql( otherwise DB_SUCCESS */ trx_t* trx, /* in: transaction handle */ const char* savepoint_name, /* in: savepoint name */ - ib_longlong* mysql_binlog_cache_pos) /* out: the MySQL binlog cache + ib_int64_t* mysql_binlog_cache_pos) /* out: the MySQL binlog cache position corresponding to this savepoint; MySQL needs this information to remove the @@ -282,7 +282,7 @@ trx_savepoint_for_mysql( /* out: always DB_SUCCESS */ trx_t* trx, /* in: transaction handle */ const char* savepoint_name, /* in: savepoint name */ - ib_longlong binlog_cache_pos) /* in: MySQL binlog cache + ib_int64_t binlog_cache_pos) /* in: MySQL binlog cache position corresponding to this connection at the time of the savepoint */ @@ -402,7 +402,7 @@ trx_rollback_active( que_thr_t* thr; roll_node_t* roll_node; dict_table_t* table; - ib_longlong rows_to_undo; + ib_int64_t rows_to_undo; const char* unit = ""; ibool dictionary_locked = FALSE; diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index f491bc0e34b..105e6a252de 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -243,11 +243,13 @@ trx_rseg_create( ulint* id, /* out: rseg id */ mtr_t* mtr) /* in: mtr */ { + ulint flags; ulint zip_size; ulint page_no; trx_rseg_t* rseg; - mtr_x_lock(fil_space_get_latch(space, &zip_size), mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); mutex_enter(&kernel_mutex); page_no = trx_rseg_header_create(space, zip_size, max_size, id, mtr); diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 40ad0d1fecf..01eae5fd74c 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -22,6 +22,17 @@ Created 3/26/1996 Heikki Tuuri #include "log0log.h" #include "os0file.h" +/* The file format tag structure with id and name. */ +struct file_format_struct { + uint id; /* id of the file format */ + const char* name; /* text representation of the + file format */ + mutex_t mutex; /* covers changes to the above + fields */ +}; + +typedef struct file_format_struct file_format_t; + /* The transaction system */ UNIV_INTERN trx_sys_t* trx_sys = NULL; UNIV_INTERN trx_doublewrite_t* trx_doublewrite = NULL; @@ -43,7 +54,7 @@ up to this position. If .._pos is -1, it means no crash recovery was needed, or there was no master log position info inside InnoDB. */ UNIV_INTERN char trx_sys_mysql_master_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; -UNIV_INTERN ib_longlong trx_sys_mysql_master_log_pos = -1; +UNIV_INTERN ib_int64_t trx_sys_mysql_master_log_pos = -1; /* If this MySQL server uses binary logging, after InnoDB has been inited and if it has done a crash recovery, we store the binlog file name and position @@ -51,8 +62,46 @@ here. If .._pos is -1, it means there was no binlog position info inside InnoDB. */ UNIV_INTERN char trx_sys_mysql_bin_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; -UNIV_INTERN ib_longlong trx_sys_mysql_bin_log_pos = -1; +UNIV_INTERN ib_int64_t trx_sys_mysql_bin_log_pos = -1; +/* List of animal names representing file format. */ +static const char* file_format_name_map[] = { + "Antelope", + "Barracuda", + "Cheetah", + "Dragon", + "Elk", + "Fox", + "Gazelle", + "Hornet", + "Impala", + "Jaguar", + "Kangaroo", + "Leopard", + "Moose", + "Nautilus", + "Ocelot", + "Porpoise", + "Quail", + "Rabbit", + "Shark", + "Tiger", + "Urchin", + "Viper", + "Whale", + "Xenops", + "Yak", + "Zebra" +}; + +/* The number of elements in the file format name array. */ +static const ulint FILE_FORMAT_NAME_N = + sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); + +/* This is used to track the maximum file format id known to InnoDB. It's +updated via SET GLOBAL innodb_file_format_check = 'x' or when we open +or create a table. */ +static file_format_t file_format_max; /******************************************************************** Determines if a page number is located inside the doublewrite buffer. */ @@ -605,7 +654,7 @@ void trx_sys_update_mysql_binlog_offset( /*===============================*/ const char* file_name,/* in: MySQL log file name */ - ib_longlong offset, /* in: position in that log file */ + ib_int64_t offset, /* in: position in that log file */ ulint field, /* in: offset of the MySQL log info field in the trx sys header */ mtr_t* mtr) /* in: mtr */ @@ -725,8 +774,8 @@ trx_sys_print_mysql_binlog_offset(void) + TRX_SYS_MYSQL_LOG_OFFSET_LOW); trx_sys_mysql_bin_log_pos - = (((ib_longlong)trx_sys_mysql_bin_log_pos_high) << 32) - + (ib_longlong)trx_sys_mysql_bin_log_pos_low; + = (((ib_int64_t)trx_sys_mysql_bin_log_pos_high) << 32) + + (ib_int64_t)trx_sys_mysql_bin_log_pos_low; ut_memcpy(trx_sys_mysql_bin_log_name, sys_header + TRX_SYS_MYSQL_LOG_INFO @@ -786,10 +835,10 @@ trx_sys_print_mysql_master_log_pos(void) TRX_SYS_MYSQL_LOG_NAME_LEN); trx_sys_mysql_master_log_pos - = (((ib_longlong) mach_read_from_4( + = (((ib_int64_t) mach_read_from_4( sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + TRX_SYS_MYSQL_LOG_OFFSET_HIGH)) << 32) - + ((ib_longlong) mach_read_from_4( + + ((ib_int64_t) mach_read_from_4( sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + TRX_SYS_MYSQL_LOG_OFFSET_LOW)); mtr_commit(&mtr); @@ -912,7 +961,7 @@ trx_sys_init_at_db_start(void) /*==========================*/ { trx_sysf_t* sys_header; - ib_longlong rows_to_undo = 0; + ib_int64_t rows_to_undo = 0; const char* unit = ""; trx_t* trx; mtr_t mtr; @@ -1008,3 +1057,246 @@ trx_sys_create(void) trx_sys_init_at_db_start(); } + +/********************************************************************* +Update the file format tag. */ +static +ibool +trx_sys_file_format_max_write( +/*==========================*/ + /* out: always TRUE */ + ulint format_id, /* in: file format id */ + char** name) /* out: max file format name, can + be NULL */ +{ + mtr_t mtr; + byte* ptr; + buf_block_t* block; + ulint tag_value_low; + + mtr_start(&mtr); + + block = buf_page_get( + TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); + + file_format_max.id = format_id; + file_format_max.name = trx_sys_file_format_id_to_name(format_id); + + ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; + tag_value_low = format_id + TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (name) { + *name = (char*) file_format_max.name; + } + + mlog_write_dulint( + ptr, + ut_dulint_create(TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH, + tag_value_low), + &mtr); + + mtr_commit(&mtr); + + return(TRUE); +} + +/********************************************************************* +Read the file format tag. */ +static +ulint +trx_sys_file_format_max_read(void) +/*==============================*/ + /* out: the file format */ +{ + mtr_t mtr; + const byte* ptr; + const buf_block_t* block; + ulint format_id; + dulint file_format_id; + + /* Since this is called during the startup phase it's safe to + read the value without a covering mutex. */ + mtr_start(&mtr); + + block = buf_page_get( + TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); + + ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; + file_format_id = mach_read_from_8(ptr); + + mtr_commit(&mtr); + + format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH + || format_id >= FILE_FORMAT_NAME_N) { + + /* Either it has never been tagged, or garbage in it. + Reset the tag in either case. */ + format_id = DICT_TF_FORMAT_51; + trx_sys_file_format_max_write(format_id, NULL); + } + + return(format_id); +} + +/********************************************************************* +Get the name representation of the file format from its id. */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + /* out: pointer to the name */ + const uint id) /* in: id of the file format */ +{ + ut_a(id < FILE_FORMAT_NAME_N); + + return(file_format_name_map[id]); +} + +/********************************************************************* +Check for the max file format tag stored on disk. Note: If max_format_id +is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. */ +UNIV_INTERN +ulint +trx_sys_file_format_max_check( +/*==========================*/ + /* out: DB_SUCCESS or error code */ + ulint max_format_id) /* in: max format id to check */ +{ + ulint format_id; + + /* Check the file format in the tablespace. Do not try to + recover if the file format is not supported by the engine + unless forced by the user. */ + format_id = trx_sys_file_format_max_read(); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: highest supported file format is %s.\n", + trx_sys_file_format_id_to_name(DICT_TF_FORMAT_MAX)); + + if (format_id > DICT_TF_FORMAT_MAX) { + + ut_a(format_id < FILE_FORMAT_NAME_N); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: %s: the system tablespace is in a file " + "format that this version doesn't support - %s\n", + ((max_format_id <= DICT_TF_FORMAT_MAX) + ? "Error" : "Warning"), + trx_sys_file_format_id_to_name(format_id)); + + if (max_format_id <= DICT_TF_FORMAT_MAX) { + return(DB_ERROR); + } + } + + format_id = (format_id > max_format_id) ? format_id : max_format_id; + + /* We don't need a mutex here, as this function should only + be called once at start up. */ + file_format_max.id = format_id; + file_format_max.name = trx_sys_file_format_id_to_name(format_id); + + return(DB_SUCCESS); +} + +/********************************************************************* +Set the file format id unconditionally except if it's already the +same value. */ +UNIV_INTERN +ibool +trx_sys_file_format_max_set( +/*========================*/ + /* out: TRUE if value updated */ + ulint format_id, /* in: file format id */ + char** name) /* out: max file format name */ +{ + ibool ret = FALSE; + + ut_a(name); + ut_a(format_id <= DICT_TF_FORMAT_MAX); + + mutex_enter(&file_format_max.mutex); + + /* Only update if not already same value. */ + if (format_id != file_format_max.id) { + + ret = trx_sys_file_format_max_write(format_id, name); + } + + mutex_exit(&file_format_max.mutex); + + return(ret); +} + +/************************************************************************ +Update the file format tag in the tablespace only if the given format id +is greater than the known max id. */ +UNIV_INTERN +ibool +trx_sys_file_format_max_update( +/*===========================*/ + uint flags, /* in: flags of the table.*/ + char** name) /* out: max file format name */ +{ + ulint format_id; + ibool ret = FALSE; + + format_id = (flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT; + + ut_a(name); + ut_a(file_format_max.name != NULL); + ut_a(format_id <= DICT_TF_FORMAT_MAX); + + mutex_enter(&file_format_max.mutex); + + if (format_id > file_format_max.id) { + + ret = trx_sys_file_format_max_write(format_id, name); + } + + mutex_exit(&file_format_max.mutex); + + return(ret); +} + +/********************************************************************* +Get the name representation of the file format from its id. */ +UNIV_INTERN +const char* +trx_sys_file_format_max_get(void) +/*=============================*/ + /* out: pointer to the max format name */ +{ + return(file_format_max.name); +} + +/********************************************************************* +Initializes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_init(void) +/*==========================*/ +{ + mutex_create(&file_format_max.mutex, SYNC_FILE_FORMAT_TAG); + + /* We don't need a mutex here, as this function should only + be called once at start up. */ + file_format_max.id = DICT_TF_FORMAT_51; + + file_format_max.name = trx_sys_file_format_id_to_name( + file_format_max.id); +} + +/********************************************************************* +Closes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_close(void) +/*===========================*/ +{ + /* Does nothing at the moment */ +} diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 8e955ce737e..94fc9e3e6e8 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -716,8 +716,8 @@ trx_commit_off_kernel( mutex_enter(&(rseg->mutex)); if (trx->insert_undo != NULL) { - trx_undo_set_state_at_finish(trx, trx->insert_undo, - &mtr); + trx_undo_set_state_at_finish( + rseg, trx, trx->insert_undo, &mtr); } undo = trx->update_undo; @@ -733,7 +733,7 @@ trx_commit_off_kernel( transaction commit for this transaction. */ update_hdr_page = trx_undo_set_state_at_finish( - trx, undo, &mtr); + rseg, trx, undo, &mtr); /* We have to do the cleanup for the update log while holding the rseg mutex because update log headers diff --git a/trx/trx0undo.c b/trx/trx0undo.c index 21538072b1f..d496d3c3e01 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -1771,6 +1771,7 @@ trx_undo_set_state_at_finish( /*=========================*/ /* out: undo log segment header page, x-latched */ + trx_rseg_t* rseg, /* in: rollback segment memory object */ trx_t* trx __attribute__((unused)), /* in: transaction */ trx_undo_t* undo, /* in: undo log memory copy */ mtr_t* mtr) /* in: mtr */ @@ -1780,7 +1781,10 @@ trx_undo_set_state_at_finish( page_t* undo_page; ulint state; - ut_ad(trx && undo && mtr); + ut_ad(trx); + ut_ad(undo); + ut_ad(mtr); + ut_ad(mutex_own(&rseg->mutex)); if (undo->id >= TRX_RSEG_N_SLOTS) { fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", @@ -1795,9 +1799,23 @@ trx_undo_set_state_at_finish( seg_hdr = undo_page + TRX_UNDO_SEG_HDR; page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - if (undo->size == 1 && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) - < TRX_UNDO_PAGE_REUSE_LIMIT) { - state = TRX_UNDO_CACHED; + if (undo->size == 1 + && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) + < TRX_UNDO_PAGE_REUSE_LIMIT) { + + /* This is a heuristic to avoid the problem of all UNDO + slots ending up in one of the UNDO lists. Previously if + the server crashed with all the slots in one of the lists, + transactions that required the slots of a different type + would fail for lack of slots. */ + + if (UT_LIST_GET_LEN(rseg->update_undo_list) < 500 + && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { + + state = TRX_UNDO_CACHED; + } else { + state = TRX_UNDO_TO_FREE; + } } else if (undo->type == TRX_UNDO_INSERT) { diff --git a/ut/ut0ut.c b/ut/ut0ut.c index e00361e883c..f1468113a76 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -29,7 +29,7 @@ UNIV_INTERN ibool ut_always_false = FALSE; NOTE: The Windows epoch starts from 1601/01/01 whereas the Unix epoch starts from 1970/1/1. For selection of constant see: http://support.microsoft.com/kb/167296/ */ -#define WIN_TO_UNIX_DELTA_USEC ((ib_longlong) 11644473600000000ULL) +#define WIN_TO_UNIX_DELTA_USEC ((ib_int64_t) 11644473600000000ULL) /********************************************************************* @@ -43,7 +43,7 @@ ut_gettimeofday( void* tz) /* in: not used */ { FILETIME ft; - ib_longlong tm; + ib_int64_t tm; if (!tv) { errno = EINVAL; @@ -52,7 +52,7 @@ ut_gettimeofday( GetSystemTimeAsFileTime(&ft); - tm = (ib_longlong) ft.dwHighDateTime << 32; + tm = (ib_int64_t) ft.dwHighDateTime << 32; tm |= ft.dwLowDateTime; ut_a(tm >= 0); /* If tm wraps over to negative, the quotient / 10 @@ -84,9 +84,9 @@ ut_get_high32( /* out: a >> 32 */ ulint a) /* in: ulint */ { - ib_longlong i; + ib_int64_t i; - i = (ib_longlong)a; + i = (ib_int64_t)a; i = i >> 32; From a80acb2783f3848bc36e3f7a0aef616ab974ca41 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Fri, 16 May 2008 14:49:22 +0000 Subject: [PATCH 010/400] branches/innodb+: Merge revisions r2455:r2459 from branches/zip (These changes remove the POSIX AIO stuff) --- fil/fil0fil.c | 2 - include/os0file.h | 18 ------ os/os0file.c | 160 ++-------------------------------------------- 3 files changed, 7 insertions(+), 173 deletions(-) diff --git a/fil/fil0fil.c b/fil/fil0fil.c index e50bc2bd073..6ed4b72f148 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -4442,8 +4442,6 @@ fil_aio_wait( #ifdef WIN_ASYNC_IO ret = os_aio_windows_handle(segment, 0, &fil_node, &message, &type); -#elif defined(POSIX_ASYNC_IO) - ret = os_aio_posix_handle(segment, &fil_node, &message); #else ret = 0; /* Eliminate compiler warning */ ut_error; diff --git a/include/os0file.h b/include/os0file.h index 00ec1db06a3..67d31dd04e9 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -663,24 +663,6 @@ os_aio_windows_handle( ulint* type); /* out: OS_FILE_WRITE or ..._READ */ #endif -/* Currently we do not use Posix async i/o */ -#ifdef POSIX_ASYNC_IO -/************************************************************************** -This function is only used in Posix asynchronous i/o. Waits for an aio -operation to complete. */ -UNIV_INTERN -ibool -os_aio_posix_handle( -/*================*/ - /* out: TRUE if the aio operation succeeded */ - ulint array_no, /* in: array number 0 - 3 */ - fil_node_t**message1, /* out: the messages passed with the aio - request; note that also in the case where - the aio operation failed, these output - parameters are valid and can be used to - restart the operation, for example */ - void** message2); -#endif /************************************************************************** Does simulated aio. This function should be called by an i/o-handler thread. */ diff --git a/os/os0file.c b/os/os0file.c index 212c2c8c035..f92ff959cf7 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -22,12 +22,6 @@ Created 10/21/1995 Heikki Tuuri #include #endif /* UNIV_HOTBACKUP */ -#ifdef POSIX_ASYNC_IO -/* We assume in this case that the OS has standard Posix aio (at least SunOS -2.6, HP-UX 11i and AIX 4.3 have) */ - -#endif - /* This specifies the file permissions InnoDB uses when it creates files in Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to my_umask */ @@ -96,9 +90,6 @@ struct os_aio_slot_struct{ OVERLAPPED struct */ OVERLAPPED control; /* Windows control block for the aio request */ -#elif defined(POSIX_ASYNC_IO) - struct aiocb control; /* Posix control block for aio - request */ #endif }; @@ -331,10 +322,6 @@ os_file_get_last_error( if (err == ENOSPC) { return(OS_FILE_DISK_FULL); -#ifdef POSIX_ASYNC_IO - } else if (err == EAGAIN) { - return(OS_FILE_AIO_RESOURCES_RESERVED); -#endif } else if (err == ENOENT) { return(OS_FILE_NOT_FOUND); } else if (err == EEXIST) { @@ -2921,9 +2908,7 @@ os_aio_init( ulint n_write_segs; ulint n_per_seg; ulint i; -#ifdef POSIX_ASYNC_IO - sigset_t sigset; -#endif + ut_ad(n % n_segments == 0); ut_ad(n_segments >= 4); @@ -2975,23 +2960,7 @@ os_aio_init( os_last_printout = time(NULL); -#ifdef POSIX_ASYNC_IO - /* Block aio signals from the current thread and its children: - for this to work, the current thread must be the first created - in the database, so that all its children will inherit its - signal mask */ - - /* TODO: to work MySQL needs the SIGALARM signal; the following - will not work yet! */ - sigemptyset(&sigset); - sigaddset(&sigset, SIGRTMIN + 1 + 0); - sigaddset(&sigset, SIGRTMIN + 1 + 1); - sigaddset(&sigset, SIGRTMIN + 1 + 2); - sigaddset(&sigset, SIGRTMIN + 1 + 3); - - pthread_sigmask(SIG_BLOCK, &sigset, NULL); */ -#endif - } +} #ifdef WIN_ASYNC_IO /**************************************************************************** @@ -3125,7 +3094,7 @@ os_aio_get_array_and_local_segment( Gets an integer value designating a specified aio array. This is used to give numbers to signals in Posix aio. */ -#if !defined(WIN_ASYNC_IO) && defined(POSIX_ASYNC_IO) +#if !defined(WIN_ASYNC_IO) static ulint os_aio_get_array_no( @@ -3179,7 +3148,7 @@ os_aio_get_array_from_no( return(NULL); } } -#endif /* if !defined(WIN_ASYNC_IO) && defined(POSIX_ASYNC_IO) */ +#endif /* if !defined(WIN_ASYNC_IO) */ /*********************************************************************** Requests for a slot in the aio array. If no slot is available, waits until @@ -3209,10 +3178,6 @@ os_aio_array_reserve_slot( os_aio_slot_t* slot; #ifdef WIN_ASYNC_IO OVERLAPPED* control; - -#elif defined(POSIX_ASYNC_IO) - - struct aiocb* control; #endif ulint i; loop: @@ -3269,30 +3234,8 @@ loop: control->Offset = (DWORD)offset; control->OffsetHigh = (DWORD)offset_high; os_event_reset(slot->event); - -#elif defined(POSIX_ASYNC_IO) - -#if (UNIV_WORD_SIZE == 8) - offset = offset + (offset_high << 32); -#else - ut_a(offset_high == 0); -#endif - control = &(slot->control); - control->aio_fildes = file; - control->aio_buf = buf; - control->aio_nbytes = len; - control->aio_offset = offset; - control->aio_reqprio = 0; - control->aio_sigevent.sigev_notify = SIGEV_SIGNAL; - control->aio_sigevent.sigev_signo - = SIGRTMIN + 1 + os_aio_get_array_no(array); - /* TODO: How to choose the signal numbers? */ - /* - fprintf(stderr, "AIO signal number %lu\n", - (ulint) control->aio_sigevent.sigev_signo); - */ - control->aio_sigevent.sigev_value.sival_ptr = slot; #endif + os_mutex_exit(array->mutex); return(slot); @@ -3540,10 +3483,6 @@ try_again: ret = ReadFile(file, buf, (DWORD)n, &len, &(slot->control)); -#elif defined(POSIX_ASYNC_IO) - slot->control.aio_lio_opcode = LIO_READ; - err = (ulint) aio_read(&(slot->control)); - fprintf(stderr, "Starting POSIX aio read %lu\n", err); #endif } else { if (!wake_later) { @@ -3558,10 +3497,6 @@ try_again: os_n_file_writes++; ret = WriteFile(file, buf, (DWORD)n, &len, &(slot->control)); -#elif defined(POSIX_ASYNC_IO) - slot->control.aio_lio_opcode = LIO_WRITE; - err = (ulint) aio_write(&(slot->control)); - fprintf(stderr, "Starting POSIX aio write %lu\n", err); #endif } else { if (!wake_later) { @@ -3706,12 +3641,12 @@ os_aio_windows_handle( if (ret && len == slot->len) { ret_val = TRUE; -# ifdef UNIV_DO_FLUSH +#ifdef UNIV_DO_FLUSH if (slot->type == OS_FILE_WRITE && !os_do_not_call_flush_at_each_write) { ut_a(TRUE == os_file_flush(slot->file)); } -# endif /* UNIV_DO_FLUSH */ +#endif /* UNIV_DO_FLUSH */ } else { os_file_handle_error(slot->name, "Windows aio"); @@ -3726,87 +3661,6 @@ os_aio_windows_handle( } #endif -#ifdef POSIX_ASYNC_IO - -/************************************************************************** -This function is only used in Posix asynchronous i/o. Waits for an aio -operation to complete. */ -UNIV_INTERN -ibool -os_aio_posix_handle( -/*================*/ - /* out: TRUE if the aio operation succeeded */ - ulint array_no, /* in: array number 0 - 3 */ - fil_node_t**message1, /* out: the messages passed with the aio - request; note that also in the case where - the aio operation failed, these output - parameters are valid and can be used to - restart the operation, for example */ - void** message2) -{ - os_aio_array_t* array; - os_aio_slot_t* slot; - siginfo_t info; - sigset_t sigset; - sigset_t proc_sigset; - sigset_t thr_sigset; - int ret; - int i; - int sig; - - sigemptyset(&sigset); - sigaddset(&sigset, SIGRTMIN + 1 + array_no); - - pthread_sigmask(SIG_UNBLOCK, &sigset, NULL); - -#if 0 - sigprocmask(0, NULL, &proc_sigset); - pthread_sigmask(0, NULL, &thr_sigset); - - for (i = 32 ; i < 40; i++) { - fprintf(stderr, "%lu : %lu %lu\n", (ulint)i, - (ulint) sigismember(&proc_sigset, i), - (ulint) sigismember(&thr_sigset, i)); - } -#endif - - ret = sigwaitinfo(&sigset, &info); - - if (sig != SIGRTMIN + 1 + array_no) { - - ut_error; - - return(FALSE); - } - - fputs("Handling POSIX aio\n", stderr); - - array = os_aio_get_array_from_no(array_no); - - os_mutex_enter(array->mutex); - - slot = info.si_value.sival_ptr; - - ut_a(slot->reserved); - - *message1 = slot->message1; - *message2 = slot->message2; - -# ifdef UNIV_DO_FLUSH - if (slot->type == OS_FILE_WRITE - && !os_do_not_call_flush_at_each_write) { - ut_a(TRUE == os_file_flush(slot->file)); - } -# endif /* UNIV_DO_FLUSH */ - - os_mutex_exit(array->mutex); - - os_aio_array_free_slot(array, slot); - - return(TRUE); -} -#endif - /************************************************************************** Does simulated aio. This function should be called by an i/o-handler thread. */ From 362369ae574ba4eb7fa66d7859e20544fecff62a Mon Sep 17 00:00:00 2001 From: inaam <> Date: Sat, 17 May 2008 22:37:07 +0000 Subject: [PATCH 011/400] branches/innodb+: Merge revisions r2460:2461 from branches/zip --- os/os0file.c | 60 ---------------------------------------------------- 1 file changed, 60 deletions(-) diff --git a/os/os0file.c b/os/os0file.c index f92ff959cf7..7667d9ea1b3 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -3090,66 +3090,6 @@ os_aio_get_array_and_local_segment( return(segment); } -/*********************************************************************** -Gets an integer value designating a specified aio array. This is used -to give numbers to signals in Posix aio. */ - -#if !defined(WIN_ASYNC_IO) -static -ulint -os_aio_get_array_no( -/*================*/ - os_aio_array_t* array) /* in: aio array */ -{ - if (array == os_aio_ibuf_array) { - - return(0); - - } else if (array == os_aio_log_array) { - - return(1); - - } else if (array == os_aio_read_array) { - - return(2); - } else if (array == os_aio_write_array) { - - return(3); - } else { - ut_error; - - return(0); - } -} - -/*********************************************************************** -Gets the aio array for its number. */ -static -os_aio_array_t* -os_aio_get_array_from_no( -/*=====================*/ - /* out: aio array */ - ulint n) /* in: array number */ -{ - if (n == 0) { - return(os_aio_ibuf_array); - } else if (n == 1) { - - return(os_aio_log_array); - } else if (n == 2) { - - return(os_aio_read_array); - } else if (n == 3) { - - return(os_aio_write_array); - } else { - ut_error; - - return(NULL); - } -} -#endif /* if !defined(WIN_ASYNC_IO) */ - /*********************************************************************** Requests for a slot in the aio array. If no slot is available, waits until not_full-event becomes signaled. */ From bce845ad1b736922b1d660c7a98865cd421b2e97 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Tue, 10 Jun 2008 01:41:40 +0000 Subject: [PATCH 012/400] branches/innodb+: The debug assertion should check for the case where the zip size can be 0. --- include/ibuf0ibuf.ic | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index a6218477f65..7ab01cf4b52 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -238,7 +238,7 @@ ibuf_index_page_calc_free( 0 for uncompressed pages */ const buf_block_t* block) /* in: buffer block */ { - ut_ad(zip_size == buf_block_get_zip_size(block)); + ut_ad(zip_size == 0 || zip_size == buf_block_get_zip_size(block)); if (!zip_size) { ulint max_ins_size; From 838aa2cfea8245175cc2901de24346c0d25e5a92 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Tue, 10 Jun 2008 09:45:36 +0000 Subject: [PATCH 013/400] branches/innodb+: zip_size can be 0 when called from ibuf. --- buf/buf0buf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 6694453500a..192bea1e134 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1877,7 +1877,8 @@ buf_page_get_gen( || mode == BUF_GET_NOWAIT || mode == BUF_GET_IF_IN_POOL_OR_WATCH); - ut_ad(zip_size == fil_space_get_zip_size(space)); + /* zip_size can be zero if called from ibuf. */ + ut_ad(zip_size == 0 || zip_size == fil_space_get_zip_size(space)); #ifndef UNIV_LOG_DEBUG ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, mtr)); #endif From ee8a957c10db348dbc3ad7aa4438341fc61cf089 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Mon, 16 Jun 2008 03:11:30 +0000 Subject: [PATCH 014/400] branches/innodb+: Fix typo in comment. --- btr/btr0cur.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 165284c7c47..77980474bae 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -359,7 +359,7 @@ btr_cur_search_to_nth_level( cursor->low_match = ULINT_UNDEFINED; #endif - /* This flags are mutually exclusive, they are lumped together + /* These flags are mutually exclusive, they are lumped together with the latch mode for historical reasons. It's possible for none of the flags to be set. */ if (latch_mode & BTR_INSERT) { From c871d1146fc24b52aafd7bd57433c0d30b401ab7 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Mon, 16 Jun 2008 03:12:16 +0000 Subject: [PATCH 015/400] branches/innodb+: Fix a debug assertion. --- buf/buf0buf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 192bea1e134..2a17c6f12c3 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1936,7 +1936,9 @@ loop2: goto loop; } - ut_ad(page_zip_get_size(&block->page.zip) == zip_size); + /* zip_size can be 0 if called from ibuf */ + ut_ad(zip_size == 0 + || page_zip_get_size(&block->page.zip) == zip_size); must_read = buf_block_get_io_fix(block) == BUF_IO_READ; From 4b06a4b130906fadc2782ba1166d791f91ccef70 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Sat, 9 Aug 2008 00:15:46 +0000 Subject: [PATCH 016/400] branches/innodb+: Merge revisions 2460:2579 from branches/zip The followin mysql-tests failed (and they are known to fail): main.information_schema [ fail ] main.innodb_file_per_table_basic[ fail ] main.type_bit_innodb [ fail ] Tested against : MYSQL_SERVER_VERSION "5.1.28" --- ChangeLog | 37 ++++++ btr/btr0btr.c | 2 +- btr/btr0cur.c | 60 +++++----- btr/btr0pcur.c | 1 + btr/btr0sea.c | 40 +++++++ buf/buf0buf.c | 12 +- buf/buf0flu.c | 8 ++ buf/buf0lru.c | 19 ++- dict/dict0dict.c | 47 ++++++++ fsp/fsp0fsp.c | 2 + ha/ha0ha.c | 21 +++- handler/ha_innodb.cc | 165 ++++++++++++++++++--------- handler/handler0alter.cc | 6 - ibuf/ibuf0ibuf.c | 2 +- include/btr0cur.h | 6 +- include/btr0sea.h | 16 +++ include/buf0buf.h | 10 +- include/dict0mem.h | 2 +- include/page0types.h | 15 --- include/page0zip.ic | 8 ++ include/srv0srv.h | 7 +- include/trx0rec.h | 3 + include/trx0roll.h | 11 ++ include/trx0sys.h | 19 ++- include/trx0types.h | 8 ++ include/trx0undo.h | 7 +- include/ut0ut.h | 8 +- lock/lock0lock.c | 12 ++ mem/mem0dbg.c | 1 + mem/mem0mem.c | 50 +++----- mysql-test/innodb-autoinc.result | 82 +++++++++++++ mysql-test/innodb-autoinc.test | 34 ++++++ mysql-test/innodb-index.result | 7 +- mysql-test/innodb-index.test | 39 ++++++- mysql-test/innodb-replace.result | 4 +- mysql-test/innodb-replace.test | 4 +- mysql-test/innodb-zip.result | 28 +++-- mysql-test/innodb-zip.test | 32 ++++-- mysql-test/innodb.result | 31 +++-- mysql-test/patches/README | 30 +++++ mysql-test/patches/bug31231.diff | 38 ++++++ mysql-test/patches/bug35261.diff | 85 ++++++++++++++ mysql-test/patches/bug37312.diff | 32 ++++++ mysql-test/patches/innodb-index.diff | 62 ++++++++++ os/os0file.c | 32 +++++- os/os0sync.c | 4 +- page/page0cur.c | 1 + page/page0page.c | 16 +++ page/page0zip.c | 8 ++ row/row0purge.c | 22 ++-- row/row0row.c | 30 +++-- row/row0sel.c | 9 +- row/row0uins.c | 34 +++++- row/row0umod.c | 41 +++++-- row/row0vers.c | 25 +++- srv/srv0srv.c | 23 +++- srv/srv0start.c | 54 +++++++-- sync/sync0sync.c | 3 + trx/trx0i_s.c | 10 +- trx/trx0rec.c | 26 ++++- trx/trx0roll.c | 15 +++ trx/trx0sys.c | 38 ++++-- trx/trx0trx.c | 15 +++ trx/trx0undo.c | 2 +- ut/ut0ut.c | 36 +++++- 65 files changed, 1252 insertions(+), 305 deletions(-) create mode 100644 mysql-test/patches/README create mode 100644 mysql-test/patches/bug31231.diff create mode 100644 mysql-test/patches/bug35261.diff create mode 100644 mysql-test/patches/bug37312.diff create mode 100644 mysql-test/patches/innodb-index.diff diff --git a/ChangeLog b/ChangeLog index 809c58d5692..9463f692808 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,40 @@ +2008-06-09 The InnoDB Team + + * mysql-test/innodb.result: + Fix the failing innodb test by merging changes that MySQL made to that + file + +2008-06-06 The InnoDB Team + + * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h, + include/srv0srv.h, srv/srv0srv.c: + Fix Bug#36600 SHOW STATUS takes a lot of CPU in + buf_get_latched_pages_number + + * handler/ha_innodb.cc, os/os0file.c: + Fix Bug#11894 innodb_file_per_table crashes w/ Windows .sym symbolic + link hack + + * include/ut0ut.h, srv/srv0srv.c, ut/ut0ut.c: + Fix Bug#36819 ut_usectime does not handle errors from gettimeofday + + * handler/ha_innodb.cc: + Fix Bug#35602 Failed to read auto-increment value from storage engine + + * srv/srv0start.c: + Fix Bug#36149 Read buffer overflow in srv0start.c found during "make + test" + +2008-05-08 The InnoDB Team + + * btr/btr0btr.c, mysql-test/innodb_bug36172.result, + mysql-test/innodb_bug36172.test: + Fix Bug#36172 insert into compressed innodb table crashes + +2008-05-08 The InnoDB Team + + InnoDB Plugin 1.0.1 released + 2008-05-06 The InnoDB Team * handler/ha_innodb.cc, include/srv0srv.h, include/sync0sync.h, diff --git a/btr/btr0btr.c b/btr/btr0btr.c index c0a4007c94d..6512311af9a 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -2215,7 +2215,7 @@ btr_node_ptr_delete( /* Delete node pointer on father page */ btr_page_get_father(index, block, mtr, &cursor); - compressed = btr_cur_pessimistic_delete(&err, TRUE, &cursor, FALSE, + compressed = btr_cur_pessimistic_delete(&err, TRUE, &cursor, RB_NONE, mtr); ut_a(err == DB_SUCCESS); diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 77980474bae..8f388fe3f7d 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -32,6 +32,7 @@ Created 10/16/1994 Heikki Tuuri #include "btr0sea.h" #include "row0upd.h" #include "trx0rec.h" +#include "trx0roll.h" /* trx_is_recv() */ #include "que0que.h" #include "row0row.h" #include "srv0srv.h" @@ -116,6 +117,7 @@ btr_rec_free_updated_extern_fields( part will be updated, or NULL */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ const upd_t* update, /* in: update vector */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr); /* in: mini-transaction handle which contains an X-latch to record page and to the tree */ /*************************************************************** @@ -130,9 +132,7 @@ btr_rec_free_externally_stored_fields( const ulint* offsets,/* in: rec_get_offsets(rec, index) */ page_zip_des_t* page_zip,/* in: compressed page whose uncompressed part will be updated, or NULL */ - ibool do_not_free_inherited,/* in: TRUE if called in a - rollback and we do not want to free - inherited fields */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr); /* in: mini-transaction handle which contains an X-latch to record page and to the index tree */ @@ -2279,8 +2279,9 @@ btr_cur_pessimistic_update( ut_ad(big_rec_vec == NULL); - btr_rec_free_updated_extern_fields(index, rec, page_zip, - offsets, update, mtr); + btr_rec_free_updated_extern_fields( + index, rec, page_zip, offsets, update, + trx_is_recv(trx) ? RB_RECOVERY : RB_NORMAL, mtr); } /* We have to set appropriate extern storage bits in the new @@ -2951,7 +2952,7 @@ btr_cur_pessimistic_delete( if compression does not occur, the cursor stays valid: it points to successor of deleted record on function exit */ - ibool in_rollback,/* in: TRUE if called in rollback */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr) /* in: mtr */ { buf_block_t* block; @@ -3005,7 +3006,7 @@ btr_cur_pessimistic_delete( if (rec_offs_any_extern(offsets)) { btr_rec_free_externally_stored_fields(index, rec, offsets, page_zip, - in_rollback, mtr); + rb_ctx, mtr); #ifdef UNIV_ZIP_DEBUG ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ @@ -3314,7 +3315,7 @@ btr_estimate_number_of_different_key_vals( /* We sample some pages in the index to get an estimate */ - for (i = 0; i < srv_stats_sample; i++) { + for (i = 0; i < srv_stats_sample_pages; i++) { rec_t* supremum; mtr_start(&mtr); @@ -3322,7 +3323,7 @@ btr_estimate_number_of_different_key_vals( /* Count the number of different key values for each prefix of the key on this index page. If the prefix does not determine - the index record uniquely in te B-tree, then we subtract one + the index record uniquely in the B-tree, then we subtract one because otherwise our algorithm would give a wrong estimate for an index where there is just one key value. */ @@ -3403,7 +3404,7 @@ btr_estimate_number_of_different_key_vals( } /* If we saw k borders between different key values on - srv_stats_sample leaf pages, we can estimate how many + srv_stats_sample_pages leaf pages, we can estimate how many there will be in index->stat_n_leaf_pages */ /* We must take into account that our sample actually represents @@ -3414,26 +3415,26 @@ btr_estimate_number_of_different_key_vals( index->stat_n_diff_key_vals[j] = ((n_diff[j] * (ib_int64_t)index->stat_n_leaf_pages - + srv_stats_sample - 1 + + srv_stats_sample_pages - 1 + total_external_size + not_empty_flag) - / (srv_stats_sample + / (srv_stats_sample_pages + total_external_size)); /* If the tree is small, smaller than - 10 * srv_stats_sample + total_external_size, then + 10 * srv_stats_sample_pages + total_external_size, then the above estimate is ok. For bigger trees it is common that we do not see any borders between key values in the few pages - we pick. But still there may be srv_stats_sample + we pick. But still there may be srv_stats_sample_pages different key values, or even more. Let us try to approximate that: */ add_on = index->stat_n_leaf_pages - / (10 * (srv_stats_sample + / (10 * (srv_stats_sample_pages + total_external_size)); - if (add_on > srv_stats_sample) { - add_on = srv_stats_sample; + if (add_on > srv_stats_sample_pages) { + add_on = srv_stats_sample_pages; } index->stat_n_diff_key_vals[j] += add_on; @@ -4224,9 +4225,7 @@ btr_free_externally_stored_field( to rec, or NULL if rec == NULL */ ulint i, /* in: field number of field_ref; ignored if rec == NULL */ - ibool do_not_free_inherited,/* in: TRUE if called in a - rollback and we do not want to free - inherited fields */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* local_mtr __attribute__((unused))) /* in: mtr containing the latch to data an an X-latch to the index tree */ @@ -4256,6 +4255,15 @@ btr_free_externally_stored_field( } #endif /* UNIV_DEBUG */ + if (UNIV_UNLIKELY(!memcmp(field_ref, field_ref_zero, + BTR_EXTERN_FIELD_REF_SIZE))) { + /* In the rollback of uncommitted transactions, we may + encounter a clustered index record whose BLOBs have + not been written. There is nothing to free then. */ + ut_a(rb_ctx == RB_RECOVERY); + return; + } + space_id = mach_read_from_4(field_ref + BTR_EXTERN_SPACE_ID); if (UNIV_UNLIKELY(space_id != dict_index_get_space(index))) { @@ -4300,7 +4308,7 @@ btr_free_externally_stored_field( || (mach_read_from_1(field_ref + BTR_EXTERN_LEN) & BTR_EXTERN_OWNER_FLAG) /* Rollback and inherited field */ - || (do_not_free_inherited + || (rb_ctx != RB_NONE && (mach_read_from_1(field_ref + BTR_EXTERN_LEN) & BTR_EXTERN_INHERITED_FLAG))) { @@ -4402,9 +4410,7 @@ btr_rec_free_externally_stored_fields( const ulint* offsets,/* in: rec_get_offsets(rec, index) */ page_zip_des_t* page_zip,/* in: compressed page whose uncompressed part will be updated, or NULL */ - ibool do_not_free_inherited,/* in: TRUE if called in a - rollback and we do not want to free - inherited fields */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr) /* in: mini-transaction handle which contains an X-latch to record page and to the index tree */ @@ -4428,8 +4434,7 @@ btr_rec_free_externally_stored_fields( btr_free_externally_stored_field( index, data + len - BTR_EXTERN_FIELD_REF_SIZE, - rec, offsets, page_zip, i, - do_not_free_inherited, mtr); + rec, offsets, page_zip, i, rb_ctx, mtr); } } } @@ -4448,6 +4453,7 @@ btr_rec_free_updated_extern_fields( part will be updated, or NULL */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ const upd_t* update, /* in: update vector */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr) /* in: mini-transaction handle which contains an X-latch to record page and to the tree */ { @@ -4473,7 +4479,7 @@ btr_rec_free_updated_extern_fields( btr_free_externally_stored_field( index, data + len - BTR_EXTERN_FIELD_REF_SIZE, rec, offsets, page_zip, - ufield->field_no, TRUE, mtr); + ufield->field_no, rb_ctx, mtr); } } } diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index 63231c09b38..79e62ed3549 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -208,6 +208,7 @@ btr_pcur_restore_position( || UNIV_UNLIKELY(cursor->pos_state != BTR_PCUR_WAS_POSITIONED && cursor->pos_state != BTR_PCUR_IS_POSITIONED)) { ut_print_buf(stderr, cursor, sizeof(btr_pcur_t)); + putc('\n', stderr); if (cursor->trx_if_known) { trx_print(stderr, cursor->trx_if_known, 0); } diff --git a/btr/btr0sea.c b/btr/btr0sea.c index e8536b2c4bb..781e4cea558 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -188,6 +188,7 @@ btr_search_info_create( info->magic_n = BTR_SEARCH_MAGIC_N; #endif /* UNIV_DEBUG */ + info->ref_count = 0; info->root_guess = NULL; info->hash_analysis = 0; @@ -211,6 +212,32 @@ btr_search_info_create( return(info); } +/********************************************************************* +Returns the value of ref_count. The value is protected by +btr_search_latch. */ +UNIV_INTERN +ulint +btr_search_info_get_ref_count( +/*==========================*/ + /* out: ref_count value. */ + btr_search_t* info) /* in: search info. */ +{ + ulint ret; + + ut_ad(info); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + rw_lock_s_lock(&btr_search_latch); + ret = info->ref_count; + rw_lock_s_unlock(&btr_search_latch); + + return(ret); +} + /************************************************************************* Updates the search info of an index about hash successes. NOTE that info is NOT protected by any semaphore, to save CPU time! Do not assume its fields @@ -1070,8 +1097,12 @@ next_rec: ha_remove_all_nodes_to_page(table, folds[i], page); } + ut_a(index->search_info->ref_count > 0); + index->search_info->ref_count--; + block->is_hashed = FALSE; block->index = NULL; + cleanup: #ifdef UNIV_DEBUG if (UNIV_UNLIKELY(block->n_pointers)) { @@ -1295,6 +1326,15 @@ btr_search_build_page_hash_index( goto exit_func; } + /* This counter is decremented every time we drop page + hash index entries and is incremented here. Since we can + rebuild hash index for a page that is already hashed, we + have to take care not to increment the counter in that + case. */ + if (!block->is_hashed) { + index->search_info->ref_count++; + } + block->is_hashed = TRUE; block->n_hash_helps = 0; diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 2a17c6f12c3..c08d6db45a8 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -406,7 +406,7 @@ buf_page_is_corrupted( } /* InnoDB versions < 4.0.14 and < 4.1.1 stored the space id - (always equal to 0), to FIL_PAGE_SPACE_SPACE_OR_CHKSUM */ + (always equal to 0), to FIL_PAGE_SPACE_OR_CHKSUM */ if (checksum_field != 0 && checksum_field != BUF_NO_CHECKSUM_MAGIC @@ -443,7 +443,7 @@ buf_page_print( fprintf(stderr, " InnoDB: Page dump in ascii and hex (%lu bytes):\n", (ulong) size); ut_print_buf(stderr, read_buf, size); - fputs("InnoDB: End of page dump\n", stderr); + fputs("\nInnoDB: End of page dump\n", stderr); if (zip_size) { /* Print compressed page. */ @@ -3187,9 +3187,6 @@ corrupt: ut_error; } - mutex_exit(buf_page_get_mutex(bpage)); - buf_pool_mutex_exit(); - #ifdef UNIV_DEBUG if (buf_debug_prints) { fprintf(stderr, "Has %s page space %lu page no %lu\n", @@ -3198,6 +3195,9 @@ corrupt: (ulong) buf_page_get_page_no(bpage)); } #endif /* UNIV_DEBUG */ + + mutex_exit(buf_page_get_mutex(bpage)); + buf_pool_mutex_exit(); } /************************************************************************* @@ -3563,6 +3563,7 @@ buf_print(void) } #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_DEBUG /************************************************************************* Returns the number of latched pages in the buffer pool. */ UNIV_INTERN @@ -3649,6 +3650,7 @@ buf_get_latched_pages_number(void) return(fixed_pages_number); } +#endif /* UNIV_DEBUG */ /************************************************************************* Returns the number of pending buf pool ios. */ diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 9403a9918c6..bd511869aaa 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -168,6 +168,7 @@ buf_flush_ready_for_replace( " in the LRU list!\n", (ulong) buf_page_get_state(bpage)); ut_print_buf(stderr, bpage, sizeof(buf_page_t)); + putc('\n', stderr); return(FALSE); } @@ -634,6 +635,13 @@ buf_flush_init_for_writing( return; } + ut_print_timestamp(stderr); + fputs(" InnoDB: ERROR: The compressed page to be written" + " seems corrupt:", stderr); + ut_print_buf(stderr, page, zip_size); + fputs("\nInnoDB: Possibly older version of the page:", stderr); + ut_print_buf(stderr, page_zip->data, zip_size); + putc('\n', stderr); ut_error; } diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 2ba618b5029..9fc0bfd127a 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1246,6 +1246,12 @@ alloc: if (buf_page_is_old(b)) { buf_pool->LRU_old_len++; + if (UNIV_UNLIKELY + (buf_pool->LRU_old + == UT_LIST_GET_NEXT(LRU, b))) { + + buf_pool->LRU_old = b; + } } lru_len = UT_LIST_GET_LEN(buf_pool->LRU); @@ -1455,6 +1461,8 @@ buf_LRU_block_remove_hashed_page( buf_block_modify_clock_inc((buf_block_t*) bpage); if (bpage->zip.data) { const page_t* page = ((buf_block_t*) bpage)->frame; + const ulint zip_size + = page_zip_get_size(&bpage->zip); ut_a(!zip || bpage->oldest_modification == 0); @@ -1472,7 +1480,7 @@ buf_LRU_block_remove_hashed_page( to the compressed page, which will be preserved. */ memcpy(bpage->zip.data, page, - page_zip_get_size(&bpage->zip)); + zip_size); } break; case FIL_PAGE_TYPE_ZBLOB: @@ -1484,6 +1492,15 @@ buf_LRU_block_remove_hashed_page( #endif /* UNIV_ZIP_DEBUG */ break; default: + ut_print_timestamp(stderr); + fputs(" InnoDB: ERROR: The compressed page" + " to be evicted seems corrupt:", stderr); + ut_print_buf(stderr, page, zip_size); + fputs("\nInnoDB: Possibly older version" + " of the page:", stderr); + ut_print_buf(stderr, bpage->zip.data, + zip_size); + putc('\n', stderr); ut_error; } diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 0c99917a40b..1003e92d791 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1446,12 +1446,59 @@ dict_index_remove_from_cache( dict_index_t* index) /* in, own: index */ { ulint size; + ulint retries = 0; + btr_search_t* info; ut_ad(table && index); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); ut_ad(mutex_own(&(dict_sys->mutex))); + /* We always create search info whether or not adaptive + hash index is enabled or not. */ + info = index->search_info; + ut_ad(info); + + /* We are not allowed to free the in-memory index struct + dict_index_t until all entries in the adaptive hash index + that point to any of the page belonging to his b-tree index + are dropped. This is so because dropping of these entries + require access to dict_index_t struct. To avoid such scenario + We keep a count of number of such pages in the search_info and + only free the dict_index_t struct when this count drops to + zero. */ + + for (;;) { + ulint ref_count = btr_search_info_get_ref_count(info); + if (ref_count == 0) { + break; + } + + /* Sleep for 10ms before trying again. */ + os_thread_sleep(10000); + ++retries; + + if (retries % 500 == 0) { + /* No luck after 5 seconds of wait. */ + fprintf(stderr, "InnoDB: Error: Waited for" + " %lu secs for hash index" + " ref_count (%lu) to drop" + " to 0.\n" + "index: \"%s\"" + " table: \"%s\"\n", + retries/100, + ref_count, + index->name, + table->name); + } + + /* To avoid a hang here we commit suicide if the + ref_count doesn't drop to zero in 600 seconds. */ + if (retries >= 60000) { + ut_error; + } + } + rw_lock_free(&index->lock); /* Remove the index from the list of indexes of the table */ diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 1ae5bdc72f3..8a3d103d283 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -1577,6 +1577,7 @@ fsp_alloc_free_page( if (free == ULINT_UNDEFINED) { ut_print_buf(stderr, ((byte*)descr) - 500, 1000); + putc('\n', stderr); ut_error; } @@ -1760,6 +1761,7 @@ fsp_free_extent( if (xdes_get_state(descr, mtr) == XDES_FREE) { ut_print_buf(stderr, (byte*)descr - 500, 1000); + putc('\n', stderr); ut_error; } diff --git a/ha/ha0ha.c b/ha/ha0ha.c index f0d80d69e88..78027d9785b 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -373,11 +373,20 @@ ha_print_info( FILE* file, /* in: file where to print */ hash_table_t* table) /* in: hash table */ { +#ifdef UNIV_DEBUG +/* Some of the code here is disabled for performance reasons in production +builds, see http://bugs.mysql.com/36941 */ +#define PRINT_USED_CELLS +#endif /* UNIV_DEBUG */ + +#ifdef PRINT_USED_CELLS hash_cell_t* cell; ulint cells = 0; - ulint n_bufs; ulint i; +#endif /* PRINT_USED_CELLS */ + ulint n_bufs; +#ifdef PRINT_USED_CELLS for (i = 0; i < hash_get_n_cells(table); i++) { cell = hash_get_nth_cell(table, i); @@ -387,10 +396,14 @@ ha_print_info( cells++; } } +#endif /* PRINT_USED_CELLS */ - fprintf(file, - "Hash table size %lu, used cells %lu", - (ulong) hash_get_n_cells(table), (ulong) cells); + fprintf(file, "Hash table size %lu", + (ulong) hash_get_n_cells(table)); + +#ifdef PRINT_USED_CELLS + fprintf(file, ", used cells %lu", (ulong) cells); +#endif /* PRINT_USED_CELLS */ if (table->heaps == NULL && table->heap != NULL) { diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 7e59466e7a4..5f7786684dd 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -468,8 +468,10 @@ static SHOW_VAR innodb_status_variables[]= { (char*) &export_vars.innodb_buffer_pool_pages_flushed, SHOW_LONG}, {"buffer_pool_pages_free", (char*) &export_vars.innodb_buffer_pool_pages_free, SHOW_LONG}, +#ifdef UNIV_DEBUG {"buffer_pool_pages_latched", (char*) &export_vars.innodb_buffer_pool_pages_latched, SHOW_LONG}, +#endif /* UNIV_DEBUG */ {"buffer_pool_pages_misc", (char*) &export_vars.innodb_buffer_pool_pages_misc, SHOW_LONG}, {"buffer_pool_pages_total", @@ -3709,7 +3711,8 @@ ha_innobase::innobase_autoinc_lock(void) old style only if another transaction has already acquired the AUTOINC lock on behalf of a LOAD FILE or INSERT ... SELECT etc. type of statement. */ - if (thd_sql_command(user_thd) == SQLCOM_INSERT) { + if (thd_sql_command(user_thd) == SQLCOM_INSERT + || thd_sql_command(user_thd) == SQLCOM_REPLACE) { dict_table_t* table = prebuilt->table; /* Acquire the AUTOINC mutex. */ @@ -5614,6 +5617,29 @@ ha_innobase::create( DBUG_ENTER("ha_innobase::create"); DBUG_ASSERT(thd != NULL); + DBUG_ASSERT(create_info != NULL); + +#ifdef __WIN__ + /* Names passed in from server are in two formats: + 1. /: for normal table creation + 2. full path: for temp table creation, or sym link + + When srv_file_per_table is on, check for full path pattern, i.e. + X:\dir\..., X is a driver letter, or + \\dir1\dir2\..., UNC path + returns error if it is in full path format, but not creating a temp. + table. Currently InnoDB does not support symbolic link on Windows. */ + + if (srv_file_per_table + && (!create_info->options & HA_LEX_CREATE_TMP_TABLE)) { + + if ((name[1] == ':') + || (name[0] == '\\' && name[1] == '\\')) { + sql_print_error("Cannot create table %s\n", name); + DBUG_RETURN(HA_ERR_GENERIC); + } + } +#endif if (form->s->fields > 1000) { /* The limit probably should be REC_MAX_N_FIELDS - 3 = 1020, @@ -6615,6 +6641,14 @@ ha_innobase::info( if (thd_sql_command(user_thd) == SQLCOM_TRUNCATE) { n_rows = 0; + + /* We need to reset the prebuilt value too, otherwise + checks for values greater than the last value written + to the table will fail and the autoinc counter will + not be updated. This will force write_row() into + attempting an update of the table's AUTOINC counter. */ + + prebuilt->last_value = 0; } stats.records = (ha_rows)n_rows; @@ -9024,7 +9058,7 @@ innodb_file_format_check_validate( if (innobase_file_format_check_on_off(file_format_input)) { sql_print_warning( - "InnoDB: invalid innodb_file_format_check" + "InnoDB: invalid innodb_file_format_check " "value; on/off can only be set at startup or " "in the configuration file"); } else if (innobase_file_format_check_validate( @@ -9209,6 +9243,11 @@ static MYSQL_SYSVAR_BOOL(stats_on_metadata, innobase_stats_on_metadata, "Enable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)", NULL, NULL, TRUE); +static MYSQL_SYSVAR_ULONGLONG(stats_sample_pages, srv_stats_sample_pages, + PLUGIN_VAR_RQCMDARG, + "The number of index pages to sample when calculating statistics (default 8)", + NULL, NULL, 8, 1, ~0ULL, 0); + static MYSQL_SYSVAR_BOOL(adaptive_hash_index, innobase_adaptive_hash_index, PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, "Enable InnoDB adaptive hash index (enabled by default). " @@ -9286,12 +9325,6 @@ static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, "How many files at the maximum InnoDB keeps open at the same time.", NULL, NULL, 300L, 10L, ~0L, 0); -static MYSQL_SYSVAR_ULONG(stats_sample, srv_stats_sample, - PLUGIN_VAR_OPCMDARG, - "When estimating number of different key values in an index, sample " - "this many index pages", - NULL, NULL, SRV_STATS_SAMPLE_DEFAULT, 1, 1000, 0); - static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, PLUGIN_VAR_RQCMDARG, "Count of spin-loop rounds in InnoDB mutexes", @@ -9362,9 +9395,9 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(open_files), MYSQL_SYSVAR(rollback_on_timeout), MYSQL_SYSVAR(stats_on_metadata), + MYSQL_SYSVAR(stats_sample_pages), MYSQL_SYSVAR(adaptive_hash_index), MYSQL_SYSVAR(replication_delay), - MYSQL_SYSVAR(stats_sample), MYSQL_SYSVAR(status_file), MYSQL_SYSVAR(strict_mode), MYSQL_SYSVAR(support_xa), @@ -9432,9 +9465,10 @@ innodb_plugin_init(void) /*====================*/ /* out: TRUE if the dynamic InnoDB plugin should start */ { -# if !MYSQL_STORAGE_ENGINE_PLUGIN -# error "MYSQL_STORAGE_ENGINE_PLUGIN must be nonzero." -# endif +#if !MYSQL_STORAGE_ENGINE_PLUGIN +#error "MYSQL_STORAGE_ENGINE_PLUGIN must be nonzero." +#endif + switch (builtin_innobase_plugin) { case 0: return(true); @@ -9445,54 +9479,79 @@ innodb_plugin_init(void) } /* Copy the system variables. */ - struct st_mysql_plugin* builtin - = (struct st_mysql_plugin*) &builtin_innobase_plugin; - struct st_mysql_sys_var** v = builtin->system_vars; - struct st_mysql_sys_var** w = innobase_system_variables; - for (; *v; v++, w++) { - if (!*w) { - fprintf(stderr, "InnoDB: unknown parameter %s,0x%x\n", - (*v)->name, (*v)->flags); - return(false); - } else if (!innobase_match_parameter((*v)->name, (*w)->name)) { - /* Skip the destination parameter, since it doesn't - exist in the source. */ - v--; - continue; - /* Ignore changes that affect the READONLY flag. */ - } else if (((*v)->flags ^ (*w)->flags) & ~PLUGIN_VAR_READONLY) { - fprintf(stderr, - "InnoDB: parameter mismatch:" - " %s,%s,0x%x,0x%x\n", - (*v)->name, (*w)->name, - (*v)->flags, (*w)->flags); - return(false); - } else if ((*v)->flags & PLUGIN_VAR_THDLOCAL) { - /* Do not copy session variables. */ + struct st_mysql_plugin* builtin; + struct st_mysql_sys_var** sta; /* static parameters */ + struct st_mysql_sys_var** dyn; /* dynamic parameters */ + + builtin = (struct st_mysql_plugin*) &builtin_innobase_plugin; + + for (sta = builtin->system_vars; *sta != NULL; sta++) { + + /* do not copy session variables */ + if ((*sta)->flags & PLUGIN_VAR_THDLOCAL) { continue; } - switch ((*v)->flags - & ~(PLUGIN_VAR_MASK | PLUGIN_VAR_UNSIGNED)) { -# define COPY_VAR(label, type) \ - case label: \ - *(type*)(*w)->value = *(type*)(*v)->value; \ - break; + for (dyn = innobase_system_variables; *dyn != NULL; dyn++) { - COPY_VAR(PLUGIN_VAR_BOOL, char); - COPY_VAR(PLUGIN_VAR_INT, int); - COPY_VAR(PLUGIN_VAR_LONG, long); - COPY_VAR(PLUGIN_VAR_LONGLONG, long long); - COPY_VAR(PLUGIN_VAR_STR, char*); + if (innobase_match_parameter((*sta)->name, + (*dyn)->name)) { - default: - fprintf(stderr, "InnoDB: unknown flags 0x%x for %s\n", - (*v)->flags, (*v)->name); + /* found the corresponding parameter */ + + /* check if the flags are the same, + ignoring differences in the READONLY flag; + e.g. we are not copying string variable to + an integer one */ + if (((*sta)->flags & ~PLUGIN_VAR_READONLY) + != ((*dyn)->flags & ~PLUGIN_VAR_READONLY)) { + + fprintf(stderr, + "InnoDB: %s in static InnoDB " + "(flags=0x%x) differs from " + "%s in dynamic InnoDB " + "(flags=0x%x)\n", + (*sta)->name, (*sta)->flags, + (*dyn)->name, (*dyn)->flags); + + /* we could break; here leaving this + parameter uncopied */ + return(false); + } + + /* assign the value of the static parameter + to the dynamic one, according to their type */ + +#define COPY_VAR(label, type) \ + case label: \ + *(type*)(*dyn)->value = *(type*)(*sta)->value; \ + break; + + switch ((*sta)->flags + & ~(PLUGIN_VAR_MASK + | PLUGIN_VAR_UNSIGNED)) { + + COPY_VAR(PLUGIN_VAR_BOOL, char); + COPY_VAR(PLUGIN_VAR_INT, int); + COPY_VAR(PLUGIN_VAR_LONG, long); + COPY_VAR(PLUGIN_VAR_LONGLONG, long long); + COPY_VAR(PLUGIN_VAR_STR, char*); + + default: + fprintf(stderr, + "InnoDB: unknown flags " + "0x%x for %s\n", + (*sta)->flags, (*sta)->name); + } + + /* Make the static InnoDB variable point to + the dynamic one */ + (*sta)->value = (*dyn)->value; + + break; + } } - - /* Make the static InnoDB variable point to the dynamic one */ - (*v)->value = (*w)->value; } return(true); diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index fc8bed8a96e..ce68508aceb 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -635,9 +635,6 @@ ha_innobase::add_index( trx = trx_allocate_for_mysql(); trx_start_if_not_started(trx); - trans_register_ha(user_thd, FALSE, ht); - prebuilt->trx->active_trans = 1; - trx->mysql_thd = user_thd; trx->mysql_query_str = thd_query(user_thd); @@ -1084,9 +1081,6 @@ ha_innobase::final_drop_index( trx = trx_allocate_for_mysql(); trx_start_if_not_started(trx); - trans_register_ha(user_thd, FALSE, ht); - prebuilt->trx->active_trans = 1; - trx->mysql_thd = user_thd; trx->mysql_query_str = thd_query(user_thd); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 0024c80e383..6ff47cba7a7 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3548,7 +3548,7 @@ ibuf_delete_rec( root = ibuf_tree_root_get(mtr); btr_cur_pessimistic_delete(&err, TRUE, btr_pcur_get_btr_cur(pcur), - FALSE, mtr); + RB_NONE, mtr); ut_a(err == DB_SUCCESS); #ifdef UNIV_IBUF_COUNT_DEBUG diff --git a/include/btr0cur.h b/include/btr0cur.h index 4d50fb47c57..9ec30b44ded 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -380,7 +380,7 @@ btr_cur_pessimistic_delete( if compression does not occur, the cursor stays valid: it points to successor of deleted record on function exit */ - ibool in_rollback,/* in: TRUE if called in rollback */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr); /* in: mtr */ /*************************************************************** Parses a redo log record of updating a record in-place. */ @@ -522,9 +522,7 @@ btr_free_externally_stored_field( to rec, or NULL if rec == NULL */ ulint i, /* in: field number of field_ref; ignored if rec == NULL */ - ibool do_not_free_inherited,/* in: TRUE if called in a - rollback and we do not want to free - inherited fields */ + enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* local_mtr); /* in: mtr containing the latch to data an an X-latch to the index tree */ diff --git a/include/btr0sea.h b/include/btr0sea.h index f975d4dcd79..fbb6d764a8f 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -54,6 +54,15 @@ btr_search_info_create( /*===================*/ /* out, own: search info struct */ mem_heap_t* heap); /* in: heap where created */ +/********************************************************************* +Returns the value of ref_count. The value is protected by +btr_search_latch. */ +UNIV_INTERN +ulint +btr_search_info_get_ref_count( +/*==========================*/ + /* out: ref_count value. */ + btr_search_t* info); /* in: search info. */ /************************************************************************* Updates the search info. */ UNIV_INLINE @@ -162,6 +171,13 @@ extern ibool btr_search_disabled; /* The search info struct in an index */ struct btr_search_struct{ + ulint ref_count; /* Number of blocks in this index tree + that have search index built + i.e. block->index points to this index. + Protected by btr_search_latch except + when during initialization in + btr_search_info_create(). */ + /* The following fields are not protected by any latch. Unfortunately, this means that they must be aligned to the machine word, i.e., they cannot be turned into bit-fields. */ diff --git a/include/buf0buf.h b/include/buf0buf.h index b439be99c1f..2e3c631aceb 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -537,12 +537,14 @@ buf_page_print( const byte* read_buf, /* in: a database page */ ulint zip_size); /* in: compressed page size, or 0 for uncompressed pages */ +#ifdef UNIV_DEBUG /************************************************************************* Returns the number of latched pages in the buffer pool. */ UNIV_INTERN ulint buf_get_latched_pages_number(void); /*==============================*/ +#endif /* UNIV_DEBUG */ /************************************************************************* Returns the number of pending buf pool ios. */ UNIV_INTERN @@ -1307,13 +1309,17 @@ struct buf_pool_struct{ /* base node of the LRU list */ buf_page_t* LRU_old; /* pointer to the about 3/8 oldest blocks in the LRU list; NULL if LRU - length less than BUF_LRU_OLD_MIN_LEN */ + length less than BUF_LRU_OLD_MIN_LEN; + NOTE: when LRU_old != NULL, its length + should always equal LRU_old_len */ ulint LRU_old_len; /* length of the LRU list from the block to which LRU_old points onward, including that block; see buf0lru.c for the restrictions on this value; not defined if - LRU_old == NULL */ + LRU_old == NULL; + NOTE: LRU_old_len must be adjusted + whenever LRU_old shrinks or grows! */ UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU; /* base node of the unzip_LRU list */ diff --git a/include/dict0mem.h b/include/dict0mem.h index 1cbcbcfe505..ce34d23041f 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -221,7 +221,7 @@ struct dict_index_struct{ unsigned page:32;/* index tree root page number */ unsigned type:4; /* index type (DICT_CLUSTERED, DICT_UNIQUE, DICT_UNIVERSAL, DICT_IBUF) */ - unsigned trx_id_offset:10;/* position of the the trx id column + unsigned trx_id_offset:10;/* position of the trx id column in a clustered index record, if the fields before it are known to be of a fixed size, 0 otherwise */ diff --git a/include/page0types.h b/include/page0types.h index 23576505000..e2edbcddef2 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -76,21 +76,6 @@ typedef struct page_zip_stat_struct page_zip_stat_t; /** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ extern page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; -/************************************************************************** -Write data to the compressed page. The data must already be written to -the uncompressed page. */ -UNIV_INTERN -void -page_zip_write( -/*===========*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record whose data is being written */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - lint offset, /* in: start address of the block, - relative to rec */ - ulint length) /* in: length of the data */ - __attribute__((nonnull)); - /************************************************************************** Write the "deleted" flag of a record on a compressed page. The flag must already have been written on the uncompressed page. */ diff --git a/include/page0zip.ic b/include/page0zip.ic index fdd88fa97ee..c62d358da77 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -355,7 +355,15 @@ page_zip_write_header( { ulint pos; +#if 0 + /* In btr_cur_pessimistic_insert(), we allocate temp_page + from the buffer pool to see if a record fits on a compressed + page by itself. The buf_block_align() call in + buf_frame_get_page_zip() only works for file pages, not + temporarily allocated blocks. Thus, we must unfortunately + disable the following assertion. */ ut_ad(buf_frame_get_page_zip(str) == page_zip); +#endif ut_ad(page_zip_simple_validate(page_zip)); UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); diff --git a/include/srv0srv.h b/include/srv0srv.h index 5df29a6372a..230e25382f6 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -136,10 +136,7 @@ extern ibool srv_innodb_status; extern ibool srv_stats_on_metadata; -/* When estimating number of different key values in an index, sample -this many index pages */ -#define SRV_STATS_SAMPLE_DEFAULT 8 -extern ulong srv_stats_sample; +extern unsigned long long srv_stats_sample_pages; extern ibool srv_use_doublewrite_buf; extern ibool srv_use_checksums; @@ -522,7 +519,9 @@ struct export_var_struct{ ulint innodb_buffer_pool_pages_dirty; ulint innodb_buffer_pool_pages_misc; ulint innodb_buffer_pool_pages_free; +#ifdef UNIV_DEBUG ulint innodb_buffer_pool_pages_latched; +#endif /* UNIV_DEBUG */ ulint innodb_buffer_pool_read_requests; ulint innodb_buffer_pool_reads; ulint innodb_buffer_pool_wait_free; diff --git a/include/trx0rec.h b/include/trx0rec.h index 732de838efa..2ba90b3410b 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -178,6 +178,9 @@ trx_undo_rec_get_partial_row( record! */ dict_index_t* index, /* in: clustered index */ dtuple_t** row, /* out, own: partial row */ + ibool ignore_prefix, /* in: flag to indicate if we + expect blob prefixes in undo. Used + only in the assertion. */ mem_heap_t* heap); /* in: memory heap from which the memory needed is allocated */ /*************************************************************************** diff --git a/include/trx0roll.h b/include/trx0roll.h index 3c0a5214bc2..f86b600cce8 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -15,6 +15,17 @@ Created 3/26/1996 Heikki Tuuri #include "mtr0mtr.h" #include "trx0sys.h" +/*********************************************************************** +Determines if this transaction is rolling back an incomplete transaction +in crash recovery. */ +UNIV_INTERN +ibool +trx_is_recv( +/*========*/ + /* out: TRUE if trx is an incomplete + transaction that is being rolled back + in crash recovery */ + const trx_t* trx); /* in: transaction */ /*********************************************************************** Returns a transaction savepoint taken at this point in time. */ UNIV_INTERN diff --git a/include/trx0sys.h b/include/trx0sys.h index bc1baa0f058..f6074b0614c 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -310,6 +310,15 @@ UNIV_INTERN void trx_sys_file_format_close(void); /*===========================*/ +/************************************************************************ +Tags the system table space with minimum format id if it has not been +tagged yet. +WARNING: This function is only called during the startup and AFTER the +redo log application during recovery has finished. */ +UNIV_INTERN +void +trx_sys_file_format_tag_init(void); +/*==============================*/ /********************************************************************* Get the name representation of the file format from its id. */ UNIV_INTERN @@ -319,14 +328,16 @@ trx_sys_file_format_id_to_name( /* out: pointer to the name */ const uint id); /* in: id of the file format */ /********************************************************************* -Set the file format tag unconditonally. */ +Set the file format id unconditionally except if it's already the +same value. */ UNIV_INTERN ibool trx_sys_file_format_max_set( -/*===========================*/ +/*========================*/ /* out: TRUE if value updated */ - ulint file_format, /* in: file format id */ - char** name); /* out: max format name */ + ulint format_id, /* in: file format id */ + char** name); /* out: max file format name or + NULL if not needed. */ /********************************************************************* Get the name representation of the file format from its id. */ UNIV_INTERN diff --git a/include/trx0types.h b/include/trx0types.h index 34823ca9a76..e8c41623555 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -36,6 +36,14 @@ typedef struct roll_node_struct roll_node_t; typedef struct commit_node_struct commit_node_t; typedef struct trx_named_savept_struct trx_named_savept_t; +/* Rollback contexts */ +enum trx_rb_ctx { + RB_NONE = 0, /* no rollback */ + RB_NORMAL, /* normal rollback */ + RB_RECOVERY, /* rolling back an incomplete transaction, + in crash recovery */ +}; + /* Transaction savepoint */ typedef struct trx_savept_struct trx_savept_t; struct trx_savept_struct{ diff --git a/include/trx0undo.h b/include/trx0undo.h index 878aec15b29..378c46b1297 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -232,10 +232,9 @@ ulint trx_undo_assign_undo( /*=================*/ /* out: DB_SUCCESS if undo log assign - * successful, possible error codes are: - * ER_TOO_MANY_CONCURRENT_TRXS - * DB_OUT_OF_FILE_SPAC - * DB_OUT_OF_MEMORY */ + successful, possible error codes are: + DB_TOO_MANY_CONCURRENT_TRXS + DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY*/ trx_t* trx, /* in: transaction */ ulint type); /* in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ /********************************************************************** diff --git a/include/ut0ut.h b/include/ut0ut.h index 0a5ceb4b9b0..9a545859c00 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -150,11 +150,15 @@ ib_time_t ut_time(void); /*=========*/ /************************************************************** -Returns system time. */ +Returns system time. +Upon successful completion, the value 0 is returned; otherwise the +value -1 is returned and the global variable errno is set to indicate the +error. */ UNIV_INTERN -void +int ut_usectime( /*========*/ + /* out: 0 on success, -1 otherwise */ ulint* sec, /* out: seconds since the Epoch */ ulint* ms); /* out: microseconds since the Epoch+*sec */ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index aac136cbbee..37ac19c3050 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -4264,6 +4264,15 @@ lock_rec_print( } #ifndef UNIV_HOTBACKUP + +#ifdef UNIV_DEBUG +/* Print the number of lock structs from lock_print_info_summary() only +in non-production builds for performance reasons, see +http://bugs.mysql.com/36942 */ +#define PRINT_NUM_OF_LOCK_STRUCTS +#endif /* UNIV_DEBUG */ + +#ifdef PRINT_NUM_OF_LOCK_STRUCTS /************************************************************************* Calculates the number of record lock structs in the record lock hash table. */ static @@ -4290,6 +4299,7 @@ lock_get_n_rec_locks(void) return(n_locks); } +#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ /************************************************************************* Prints info of locks for all transactions. */ @@ -4331,9 +4341,11 @@ lock_print_info_summary( "History list length %lu\n", (ulong) trx_sys->rseg_history_len); +#ifdef PRINT_NUM_OF_LOCK_STRUCTS fprintf(file, "Total number of lock structs in row lock hash table %lu\n", (ulong) lock_get_n_rec_locks()); +#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ } /************************************************************************* diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index 4faa2320333..079355ac49b 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -491,6 +491,7 @@ mem_heap_validate_or_print( if (print) { ut_print_buf(stderr, user_field, len); + putc('\n', stderr); } total_len += len; diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 6118930270b..36e53930f42 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -330,40 +330,33 @@ mem_heap_create_block( } /* In dynamic allocation, calculate the size: block header + data. */ + len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); - if (type == MEM_HEAP_DYNAMIC) { + if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { + + ut_ad(type == MEM_HEAP_DYNAMIC || n <= MEM_MAX_ALLOC_IN_BUF); - len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); block = mem_area_alloc(&len, mem_comm_pool); } else { - ut_ad(n <= MEM_MAX_ALLOC_IN_BUF); + len = UNIV_PAGE_SIZE; - len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); + if ((type & MEM_HEAP_BTR_SEARCH) && heap) { + /* We cannot allocate the block from the + buffer pool, but must get the free block from + the heap header free block field */ - if (len < UNIV_PAGE_SIZE / 2) { + buf_block = heap->free_block; + heap->free_block = NULL; - block = mem_area_alloc(&len, mem_comm_pool); - } else { - len = UNIV_PAGE_SIZE; + if (UNIV_UNLIKELY(!buf_block)) { - if ((type & MEM_HEAP_BTR_SEARCH) && heap) { - /* We cannot allocate the block from the - buffer pool, but must get the free block from - the heap header free block field */ - - buf_block = heap->free_block; - heap->free_block = NULL; - - if (UNIV_UNLIKELY(!buf_block)) { - - return(NULL); - } - } else { - buf_block = buf_block_alloc(0); + return(NULL); } - - block = (mem_block_t*) buf_block->frame; + } else { + buf_block = buf_block_alloc(0); } + + block = (mem_block_t*) buf_block->frame; } ut_ad(block); @@ -492,19 +485,14 @@ mem_heap_block_free( UNIV_MEM_ASSERT_AND_FREE(block, len); #endif /* UNIV_MEM_DEBUG */ - if (type == MEM_HEAP_DYNAMIC) { + if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { ut_ad(!buf_block); mem_area_free(block, mem_comm_pool); } else { ut_ad(type & MEM_HEAP_BUFFER); - if (len >= UNIV_PAGE_SIZE / 2) { - buf_block_free(buf_block); - } else { - ut_ad(!buf_block); - mem_area_free(block, mem_comm_pool); - } + buf_block_free(buf_block); } } diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index 3078eadf4a5..e000f910772 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -87,3 +87,85 @@ SELECT * FROM t1; c1 c2 18446744073709551615 NULL DROP TABLE t1; +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +TRUNCATE TABLE t1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DELETE FROM t1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +7 +8 +9 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index b6bb9c6b0b7..aa464e42627 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -105,3 +105,37 @@ INSERT INTO t1 VALUES (18446744073709551615, null); INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; + +# +# Bug 37531 +# After truncate, auto_increment behaves incorrectly for InnoDB +# +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +TRUNCATE TABLE t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + +# +# Deleting all records should not reset the AUTOINC counter. +# +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DELETE FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 5a35c9735f0..738c20af388 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -765,7 +765,6 @@ insert into t2 values ('jejdkrun87'),('adfd72nh9k'), ('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); create table t1(a int, b blob, c text, d text not null) engine=innodb default charset = utf8; -insert into t1 values (null,null,null,'null'); insert into t1 select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; drop table t2, t3; @@ -775,7 +774,6 @@ count(*) select a, length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d -NULL NULL NULL NULL NULL null 22 22000 1 4400 1 adfd72nh9k 22 35200 1 7040 1 adfdijn0loKNHJik 22 28600 1 5720 1 adfdijnmnb78k @@ -802,9 +800,6 @@ NULL NULL NULL NULL NULL null 66 65535 1 15840 1 adfdpplkeock 66 65535 1 13200 1 jejdkrun87 alter table t1 add primary key (a), add key (b(20)); -ERROR 42000: All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead -delete from t1 where d='null'; -alter table t1 add primary key (a), add key (b(20)); ERROR 23000: Duplicate entry '22' for key 'PRIMARY' delete from t1 where a%2; check table t1; @@ -847,7 +842,7 @@ Table Op Msg_type Msg_text test.t1 check status OK explain select * from t1 where b like 'adfd%'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range b b 769 NULL 11 Using where +1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; insert into t2 select a,left(b,255) from t1; drop table t1; diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 0ba2f4e2677..aeac399640b 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -239,16 +239,47 @@ insert into t2 values ('jejdkrun87'),('adfd72nh9k'), create table t1(a int, b blob, c text, d text not null) engine=innodb default charset = utf8; -insert into t1 values (null,null,null,'null'); +# r2667 The following test is disabled because MySQL behavior changed. +# r2667 The test was added with this comment: +# r2667 +# r2667 ------------------------------------------------------------------------ +# r2667 r1699 | marko | 2007-08-10 19:53:19 +0300 (Fri, 10 Aug 2007) | 5 lines +# r2667 +# r2667 branches/zip: Add changes that accidentally omitted from r1698: +# r2667 +# r2667 innodb-index.test, innodb-index.result: Add a test for creating +# r2667 a PRIMARY KEY on a column that contains a NULL value. +# r2667 ------------------------------------------------------------------------ +# r2667 +# r2667 but in BZR-r2667: +# r2667 http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.1/revision/davi%40mysql.com-20080617141221-8yre8ys9j4uw3xx5?start_revid=joerg%40mysql.com-20080630105418-7qoe5ehomgrcdb89 +# r2667 MySQL changed the behavior to do full table copy when creating PRIMARY INDEX +# r2667 on a non-NULL column instead of calling ::add_index() which would fail (and +# r2667 this is what we were testing here). Before r2667 the code execution path was +# r2667 like this (when adding PRIMARY INDEX on a non-NULL column with ALTER TABLE): +# r2667 +# r2667 mysql_alter_table() +# r2667 compare_tables() // would return ALTER_TABLE_INDEX_CHANGED +# r2667 ::add_index() // would fail with "primary index cannot contain NULL" +# r2667 +# r2667 after r2667 the code execution path is the following: +# r2667 +# r2667 mysql_alter_table() +# r2667 compare_tables() // returns ALTER_TABLE_DATA_CHANGED +# r2667 full copy is done, without calling ::add_index() +# r2667 +# r2667 To enable, remove "# r2667: " below. +# r2667 +# r2667: insert into t1 values (null,null,null,'null'); insert into t1 select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; drop table t2, t3; select count(*) from t1 where a=44; select a, length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; ---error ER_PRIMARY_CANT_HAVE_NULL -alter table t1 add primary key (a), add key (b(20)); -delete from t1 where d='null'; +# r2667: --error ER_PRIMARY_CANT_HAVE_NULL +# r2667: alter table t1 add primary key (a), add key (b(20)); +# r2667: delete from t1 where d='null'; --error ER_DUP_ENTRY alter table t1 add primary key (a), add key (b(20)); delete from t1 where a%2; diff --git a/mysql-test/innodb-replace.result b/mysql-test/innodb-replace.result index 77e0aeb38fd..c926bb89a2e 100644 --- a/mysql-test/innodb-replace.result +++ b/mysql-test/innodb-replace.result @@ -3,11 +3,11 @@ create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=inn select * from t1; c1 c2 stamp replace delayed into t1 (c1, c2) values ( "text1","11"); -ERROR HY000: Table storage engine for 't1' doesn't have this option +ERROR HY000: DELAYED option not supported for table 't1' select * from t1; c1 c2 stamp replace delayed into t1 (c1, c2) values ( "text1","12"); -ERROR HY000: Table storage engine for 't1' doesn't have this option +ERROR HY000: DELAYED option not supported for table 't1' select * from t1; c1 c2 stamp drop table t1; diff --git a/mysql-test/innodb-replace.test b/mysql-test/innodb-replace.test index d44ede65ce8..8c3aacde5e8 100644 --- a/mysql-test/innodb-replace.test +++ b/mysql-test/innodb-replace.test @@ -11,10 +11,10 @@ drop table if exists t1; # create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; select * from t1; ---error 1031 +--error ER_DELAYED_NOT_SUPPORTED replace delayed into t1 (c1, c2) values ( "text1","11"); select * from t1; ---error 1031 +--error ER_DELAYED_NOT_SUPPORTED replace delayed into t1 (c1, c2) values ( "text1","12"); select * from t1; drop table t1; diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index 634f77ddfec..59613fda67c 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -131,6 +131,25 @@ INSERT INTO t1 VALUES( 'FOXajs|.7@IR[dmv(2HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+frm_only ++ ? FN_IS_TMP | FN_FRM_ONLY ++ : FN_IS_TMP)); + + err: + /* diff --git a/mysql-test/patches/bug35261.diff b/mysql-test/patches/bug35261.diff new file mode 100644 index 00000000000..4b849776e8d --- /dev/null +++ b/mysql-test/patches/bug35261.diff @@ -0,0 +1,85 @@ +--- mysql-test/t/date_formats.test.orig 2007-06-15 02:53:07.000000000 +0300 ++++ mysql-test/t/date_formats.test 2008-03-19 17:25:10.000000000 +0200 +@@ -7,9 +7,15 @@ + --enable_warnings + + --replace_result ROW STATEMENT MIXED +-SHOW GLOBAL VARIABLES LIKE "%e_format"; ++SELECT variable_name, variable_value ++FROM information_schema.global_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; + --replace_result ROW STATEMENT MIXED +-SHOW SESSION VARIABLES LIKE "%e_format"; ++SELECT variable_name, variable_value ++FROM information_schema.session_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; + + # + # Test setting a lot of different formats to see which formats are accepted and +@@ -37,7 +43,10 @@ + set datetime_format= '%h:%i:%s.%f %p %Y-%m-%d'; + + --replace_result ROW STATEMENT MIXED +-SHOW SESSION VARIABLES LIKE "%e_format"; ++SELECT variable_name, variable_value ++FROM information_schema.session_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; + + --error 1231 + SET time_format='%h:%i:%s'; +--- mysql-test/r/date_formats.result.orig 2008-02-12 21:09:14.000000000 +0200 ++++ mysql-test/r/date_formats.result 2008-03-19 17:26:33.000000000 +0200 +@@ -1,14 +1,20 @@ + drop table if exists t1; +-SHOW GLOBAL VARIABLES LIKE "%e_format"; +-Variable_name Value +-date_format %d.%m.%Y +-datetime_format %Y-%m-%d %H:%i:%s +-time_format %H.%i.%s +-SHOW SESSION VARIABLES LIKE "%e_format"; +-Variable_name Value +-date_format %d.%m.%Y +-datetime_format %Y-%m-%d %H:%i:%s +-time_format %H.%i.%s ++SELECT variable_name, variable_value ++FROM information_schema.global_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; ++variable_name variable_value ++DATETIME_FORMAT %Y-%m-%d %H:%i:%s ++DATE_FORMAT %d.%m.%Y ++TIME_FORMAT %H.%i.%s ++SELECT variable_name, variable_value ++FROM information_schema.session_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; ++variable_name variable_value ++DATETIME_FORMAT %Y-%m-%d %H:%i:%s ++DATE_FORMAT %d.%m.%Y ++TIME_FORMAT %H.%i.%s + SET time_format='%H%i%s'; + SET time_format='%H:%i:%s.%f'; + SET time_format='%h-%i-%s.%f%p'; +@@ -26,11 +32,14 @@ + set datetime_format= '%H:%i:%s.%f %m-%d-%Y'; + set datetime_format= '%h:%i:%s %p %Y-%m-%d'; + set datetime_format= '%h:%i:%s.%f %p %Y-%m-%d'; +-SHOW SESSION VARIABLES LIKE "%e_format"; +-Variable_name Value +-date_format %m-%d-%Y +-datetime_format %h:%i:%s.%f %p %Y-%m-%d +-time_format %h:%i:%s%p ++SELECT variable_name, variable_value ++FROM information_schema.session_variables ++WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') ++ORDER BY variable_name; ++variable_name variable_value ++DATETIME_FORMAT %h:%i:%s.%f %p %Y-%m-%d ++DATE_FORMAT %m-%d-%Y ++TIME_FORMAT %h:%i:%s%p + SET time_format='%h:%i:%s'; + ERROR 42000: Variable 'time_format' can't be set to the value of '%h:%i:%s' + SET time_format='%H %i:%s'; diff --git a/mysql-test/patches/bug37312.diff b/mysql-test/patches/bug37312.diff new file mode 100644 index 00000000000..8b865ea85e3 --- /dev/null +++ b/mysql-test/patches/bug37312.diff @@ -0,0 +1,32 @@ +--- mysql-test/extra/binlog_tests/innodb_stat.test.orig 2008-06-10 15:12:02.000000000 +0300 ++++ mysql-test/extra/binlog_tests/innodb_stat.test 2008-06-10 15:12:06.000000000 +0300 +@@ -41,6 +41,7 @@ + + # Test for testable InnoDB status variables. This test + # uses previous ones(pages_created, rows_deleted, ...). ++-- replace_regex /51[12]/51_/ + show status like "Innodb_buffer_pool_pages_total"; + show status like "Innodb_page_size"; + show status like "Innodb_rows_deleted"; +--- mysql-test/suite/binlog/r/binlog_row_innodb_stat.result.orig 2008-06-10 15:29:44.000000000 +0300 ++++ mysql-test/suite/binlog/r/binlog_row_innodb_stat.result 2008-06-10 15:30:04.000000000 +0300 +@@ -24,7 +24,7 @@ + drop table t1; + show status like "Innodb_buffer_pool_pages_total"; + Variable_name Value +-Innodb_buffer_pool_pages_total 512 ++Innodb_buffer_pool_pages_total 51_ + show status like "Innodb_page_size"; + Variable_name Value + Innodb_page_size 16384 +--- mysql-test/suite/binlog/r/binlog_stm_innodb_stat.result.orig 2008-06-10 15:33:43.000000000 +0300 ++++ mysql-test/suite/binlog/r/binlog_stm_innodb_stat.result 2008-06-10 15:33:55.000000000 +0300 +@@ -24,7 +24,7 @@ + drop table t1; + show status like "Innodb_buffer_pool_pages_total"; + Variable_name Value +-Innodb_buffer_pool_pages_total 512 ++Innodb_buffer_pool_pages_total 51_ + show status like "Innodb_page_size"; + Variable_name Value + Innodb_page_size 16384 diff --git a/mysql-test/patches/innodb-index.diff b/mysql-test/patches/innodb-index.diff new file mode 100644 index 00000000000..6cc8a989499 --- /dev/null +++ b/mysql-test/patches/innodb-index.diff @@ -0,0 +1,62 @@ +This part of the innodb-index test causes mysqld to print some warnings +and subsequently the whole mysql-test suite to fail. + +A permanent solution is probably to remove the printouts from the source +code or to somehow tell the mysql-test suite that warnings are expected. +Currently we simply do not execute the problematic tests. Please +coordinate a permanent solution with Marko, who added those tests. + +This cannot be proposed to MySQL because it touches files that are not +in the MySQL source repository. + +Index: storage/innobase/mysql-test/innodb-index.result +=================================================================== +--- storage/innobase/mysql-test/innodb-index.result (revision 2229) ++++ storage/innobase/mysql-test/innodb-index.result (working copy) +@@ -43,19 +43,12 @@ t1 CREATE TABLE `t1` ( + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + KEY `d2` (`d`), + KEY `b` (`b`) + ) ENGINE=InnoDB DEFAULT CHARSET=latin1 +-CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; +-alter table t1 add unique index (c), add index (d); +-ERROR HY000: Table 'test.t1#1' already exists +-rename table `t1#1` to `t1#2`; +-alter table t1 add unique index (c), add index (d); +-ERROR HY000: Table 'test.t1#2' already exists +-drop table `t1#2`; + alter table t1 add unique index (c), add index (d); + show create table t1; + Table Create Table + t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, +Index: storage/innobase/mysql-test/innodb-index.test +=================================================================== +--- storage/innobase/mysql-test/innodb-index.test (revision 2229) ++++ storage/innobase/mysql-test/innodb-index.test (working copy) +@@ -14,22 +14,12 @@ select * from t1 force index (d2) order + --error ER_DUP_ENTRY + alter table t1 add unique index (b); + show create table t1; + alter table t1 add index (b); + show create table t1; + +-# Check how existing tables interfere with temporary tables. +-CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; +- +---error 156 +-alter table t1 add unique index (c), add index (d); +-rename table `t1#1` to `t1#2`; +---error 156 +-alter table t1 add unique index (c), add index (d); +-drop table `t1#2`; +- + alter table t1 add unique index (c), add index (d); + show create table t1; + explain select * from t1 force index(c) order by c; + --error ER_REQUIRES_PRIMARY_KEY + drop index c on t1; + alter table t1 add primary key (a), drop index c; diff --git a/os/os0file.c b/os/os0file.c index 7667d9ea1b3..9eef834edf7 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -1241,9 +1241,19 @@ try_again: if (file == INVALID_HANDLE_VALUE) { *success = FALSE; - retry = os_file_handle_error(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); + /* When srv_file_per_table is on, file creation failure may not + be critical to the whole instance. Do not crash the server in + case of unknown errors. */ + if (srv_file_per_table) { + retry = os_file_handle_error_no_exit(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } else { + retry = os_file_handle_error(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } + if (retry) { goto try_again; } @@ -1318,9 +1328,19 @@ try_again: if (file == -1) { *success = FALSE; - retry = os_file_handle_error(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); + /* When srv_file_per_table is on, file creation failure may not + be critical to the whole instance. Do not crash the server in + case of unknown errors. */ + if (srv_file_per_table) { + retry = os_file_handle_error_no_exit(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } else { + retry = os_file_handle_error(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } + if (retry) { goto try_again; } else { diff --git a/os/os0sync.c b/os/os0sync.c index cce4d8e90fb..bd3d5cbdc58 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -726,7 +726,7 @@ os_fast_mutex_free( ret = pthread_mutex_destroy(fast_mutex); - if (ret != 0) { + if (UNIV_UNLIKELY(ret != 0)) { ut_print_timestamp(stderr); fprintf(stderr, " InnoDB: error: return value %lu when calling\n" @@ -735,7 +735,7 @@ os_fast_mutex_free( "InnoDB: Byte contents of the pthread mutex at %p:\n", (void*) fast_mutex); ut_print_buf(stderr, fast_mutex, sizeof(os_fast_mutex_t)); - fprintf(stderr, "\n"); + putc('\n', stderr); } #endif if (UNIV_LIKELY(os_sync_mutex_inited)) { diff --git a/page/page0cur.c b/page/page0cur.c index 7ff8e4405ae..c53e5f3df4e 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -848,6 +848,7 @@ page_cur_parse_insert_rec( fputs("Dump of 300 bytes of log:\n", stderr); ut_print_buf(stderr, ptr2, 300); + putc('\n', stderr); buf_page_print(page, 0); diff --git a/page/page0page.c b/page/page0page.c index 48b74269a98..b25c7826b55 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -598,6 +598,8 @@ page_copy_rec_list_end( ut_ad(buf_block_get_frame(block) == page); ut_ad(page_is_leaf(page) == page_is_leaf(new_page)); ut_ad(page_is_comp(page) == page_is_comp(new_page)); + /* Here, "ret" may be pointing to a user record or the + predefined supremum record. */ if (UNIV_LIKELY_NULL(new_page_zip)) { log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); @@ -620,6 +622,12 @@ page_copy_rec_list_end( store the number of preceding records on the page. */ ulint ret_pos = page_rec_get_n_recs_before(ret); + /* Before copying, "ret" was the successor of + the predefined infimum record. It must still + have at least one predecessor (the predefined + infimum record, or a freshly copied record + that is smaller than "ret"). */ + ut_a(ret_pos > 0); if (UNIV_UNLIKELY (!page_zip_reorganize(new_block, index, mtr))) { @@ -685,6 +693,9 @@ page_copy_rec_list_start( ulint* offsets = offsets_; rec_offs_init(offsets_); + /* Here, "ret" may be pointing to a user record or the + predefined infimum record. */ + if (page_rec_is_infimum(rec)) { return(ret); @@ -725,6 +736,11 @@ page_copy_rec_list_start( store the number of preceding records on the page. */ ulint ret_pos = page_rec_get_n_recs_before(ret); + /* Before copying, "ret" was the predecessor + of the predefined supremum record. If it was + the predefined infimum record, then it would + still be the infimum. Thus, the assertion + ut_a(ret_pos > 0) would fail here. */ if (UNIV_UNLIKELY (!page_zip_reorganize(new_block, index, mtr))) { diff --git a/page/page0zip.c b/page/page0zip.c index 4648bc8ddf4..75c60a25b7b 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -3203,7 +3203,15 @@ page_zip_write_rec( ulint heap_no; byte* slot; +#if 0 + /* In btr_cur_pessimistic_insert(), we allocate temp_page + from the buffer pool to see if a record fits on a compressed + page by itself. The buf_block_align() call in + buf_frame_get_page_zip() only works for file pages, not + temporarily allocated blocks. Thus, we must unfortunately + disable the following assertion. */ ut_ad(buf_frame_get_page_zip(rec) == page_zip); +#endif ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) > PAGE_DATA + page_zip_dir_size(page_zip)); diff --git a/row/row0purge.c b/row/row0purge.c index 65cda827718..13942db0e94 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -144,7 +144,8 @@ row_purge_remove_clust_if_poss_low( success = btr_cur_optimistic_delete(btr_cur, &mtr); } else { ut_ad(mode == BTR_MODIFY_TREE); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, FALSE, &mtr); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NONE, &mtr); if (err == DB_SUCCESS) { success = TRUE; @@ -266,14 +267,9 @@ row_purge_remove_sec_if_poss_low_nonbuffered( } else { ut_ad(mode == BTR_MODIFY_TREE); btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - FALSE, &mtr); - if (err == DB_SUCCESS) { - success = TRUE; - } else if (err == DB_OUT_OF_FILE_SPACE) { - success = FALSE; - } else { - ut_error; - } + RB_NONE, &mtr); + success = err == DB_SUCCESS; + ut_a(success || err == DB_OUT_OF_FILE_SPACE); } } @@ -575,7 +571,7 @@ skip_secondaries: index, data_field + dfield_get_len(&ufield->new_val) - BTR_EXTERN_FIELD_REF_SIZE, - NULL, NULL, NULL, 0, FALSE, &mtr); + NULL, NULL, NULL, 0, RB_NONE, &mtr); mtr_commit(&mtr); } } @@ -676,8 +672,10 @@ err_exit: /* Read to the partial row the fields that occur in indexes */ if (!(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - ptr = trx_undo_rec_get_partial_row(ptr, clust_index, - &node->row, node->heap); + ptr = trx_undo_rec_get_partial_row( + ptr, clust_index, &node->row, + type == TRX_UNDO_UPD_DEL_REC, + node->heap); } return(TRUE); diff --git a/row/row0row.c b/row/row0row.c index d9a100551c9..b0b010f45a2 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -97,12 +97,6 @@ row_build_index_entry( } else { dtuple_set_n_fields_cmp( entry, dict_index_get_n_unique_in_tree(index)); - if (dict_index_is_clust(index)) { - /* Do not fetch externally stored columns to - the clustered index. Such columns are handled - at a higher level. */ - ext = NULL; - } } for (i = 0; i < entry_len; i++) { @@ -121,8 +115,15 @@ row_build_index_entry( dfield_copy(dfield, dfield2); - if (dfield_is_null(dfield)) { - } else if (UNIV_LIKELY_NULL(ext)) { + if (dfield_is_null(dfield) || ind_field->prefix_len == 0) { + continue; + } + + /* If a column prefix index, take only the prefix. + Prefix-indexed columns may be externally stored. */ + ut_ad(col->ord_part); + + if (UNIV_LIKELY_NULL(ext)) { /* See if the column is stored externally. */ const byte* buf = row_ext_lookup(ext, col_no, &len); @@ -139,15 +140,10 @@ row_build_index_entry( || dict_index_is_clust(index)); } - /* If a column prefix index, take only the prefix */ - if (ind_field->prefix_len > 0 && !dfield_is_null(dfield)) { - ut_ad(col->ord_part); - len = dtype_get_at_most_n_mbchars( - col->prtype, col->mbminlen, col->mbmaxlen, - ind_field->prefix_len, - len, dfield_get_data(dfield)); - dfield_set_len(dfield, len); - } + len = dtype_get_at_most_n_mbchars( + col->prtype, col->mbminlen, col->mbmaxlen, + ind_field->prefix_len, len, dfield_get_data(dfield)); + dfield_set_len(dfield, len); } ut_ad(dtuple_check_typed(entry)); diff --git a/row/row0sel.c b/row/row0sel.c index d56a85dd190..0ed63a4986b 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -2173,17 +2173,16 @@ row_fetch_print( fprintf(stderr, " column %lu:\n", (ulong)i); dtype_print(type); - fprintf(stderr, "\n"); + putc('\n', stderr); if (dfield_get_len(dfield) != UNIV_SQL_NULL) { ut_print_buf(stderr, dfield_get_data(dfield), dfield_get_len(dfield)); + putc('\n', stderr); } else { - fprintf(stderr, " ;"); + fputs(" ;\n", stderr); } - fprintf(stderr, "\n"); - exp = que_node_get_next(exp); i++; } @@ -2466,7 +2465,7 @@ row_sel_convert_mysql_key_to_innobase( (ulong) (key_ptr - key_end)); fflush(stderr); ut_print_buf(stderr, original_key_ptr, key_len); - fprintf(stderr, "\n"); + putc('\n', stderr); if (!is_null) { ulint len = dfield_get_len(dfield); diff --git a/row/row0uins.c b/row/row0uins.c index 2c51958606f..6dfb81a9ee8 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -87,7 +87,10 @@ retry: &(node->pcur), &mtr); ut_a(success); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, TRUE, &mtr); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + trx_is_recv(node->trx) + ? RB_RECOVERY + : RB_NORMAL, &mtr); /* The delete operation may fail if we have little file space left: TODO: easiest to crash the database @@ -160,7 +163,14 @@ row_undo_ins_remove_sec_low( } else { ut_ad(mode == BTR_MODIFY_TREE); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, TRUE, &mtr); + /* No need to distinguish RB_RECOVERY here, because we + are deleting a secondary index record: the distinction + between RB_NORMAL and RB_RECOVERY only matters when + deleting a record that contains externally stored + columns. */ + ut_ad(!dict_index_is_clust(index)); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NORMAL, &mtr); } btr_pcur_close(&pcur); @@ -284,12 +294,24 @@ row_undo_ins( entry = row_build_index_entry(node->row, node->ext, node->index, node->heap); - ut_a(entry); - err = row_undo_ins_remove_sec(node->index, entry); + if (UNIV_UNLIKELY(!entry)) { + /* The database must have crashed after + inserting a clustered index record but before + writing all the externally stored columns of + that record. Because secondary index entries + are inserted after the clustered index record, + we may assume that the secondary index record + does not exist. However, this situation may + only occur during the rollback of incomplete + transactions. */ + ut_a(trx_is_recv(node->trx)); + } else { + err = row_undo_ins_remove_sec(node->index, entry); - if (err != DB_SUCCESS) { + if (err != DB_SUCCESS) { - return(err); + return(err); + } } node->index = dict_table_get_next_index(node->index); diff --git a/row/row0umod.c b/row/row0umod.c index b308fa6f88d..f2c44df8367 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -178,9 +178,9 @@ row_undo_mod_remove_clust_low( /* Note that since this operation is analogous to purge, we can free also inherited externally stored fields: - hence the last FALSE in the call below */ + hence the RB_NONE in the call below */ - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, FALSE, mtr); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, RB_NONE, mtr); /* The delete operation may fail if we have little file space left: TODO: easiest to crash the database @@ -350,8 +350,14 @@ row_undo_mod_del_mark_or_remove_sec_low( } else { ut_ad(mode == BTR_MODIFY_TREE); + /* No need to distinguish RB_RECOVERY here, because we + are deleting a secondary index record: the distinction + between RB_NORMAL and RB_RECOVERY only matters when + deleting a record that contains externally stored + columns. */ + ut_ad(!dict_index_is_clust(index)); btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - TRUE, &mtr); + RB_NORMAL, &mtr); /* The delete operation may fail if we have little file space left: TODO: easiest to crash the database @@ -506,7 +512,7 @@ row_undo_mod_upd_del_sec( mem_heap_t* heap; dtuple_t* entry; dict_index_t* index; - ulint err; + ulint err = DB_SUCCESS; heap = mem_heap_create(1024); @@ -515,22 +521,35 @@ row_undo_mod_upd_del_sec( entry = row_build_index_entry(node->row, node->ext, index, heap); - ut_a(entry); - err = row_undo_mod_del_mark_or_remove_sec(node, thr, index, - entry); - if (err != DB_SUCCESS) { + if (UNIV_UNLIKELY(!entry)) { + /* The database must have crashed after + inserting a clustered index record but before + writing all the externally stored columns of + that record. Because secondary index entries + are inserted after the clustered index record, + we may assume that the secondary index record + does not exist. However, this situation may + only occur during the rollback of incomplete + transactions. */ + ut_a(trx_is_recv(thr_get_trx(thr))); + } else { + err = row_undo_mod_del_mark_or_remove_sec( + node, thr, index, entry); - mem_heap_free(heap); + if (err != DB_SUCCESS) { - return(err); + break; + } } + mem_heap_empty(heap); + node->index = dict_table_get_next_index(node->index); } mem_heap_free(heap); - return(DB_SUCCESS); + return(err); } /*************************************************************** diff --git a/row/row0vers.c b/row/row0vers.c index 2eea578cba4..2ed71457dbb 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -163,6 +163,26 @@ row_vers_impl_x_locked_off_kernel( clust_offsets = rec_get_offsets( prev_version, clust_index, NULL, ULINT_UNDEFINED, &heap); + + vers_del = rec_get_deleted_flag(prev_version, + comp); + prev_trx_id = row_get_rec_trx_id(prev_version, + clust_index, + clust_offsets); + + /* If the trx_id and prev_trx_id are + different and if the prev_version is marked + deleted then the prev_trx_id must have + already committed for the trx_id to be able to + modify the row. Therefore, prev_trx_id cannot + hold any implicit lock. */ + if (0 != ut_dulint_cmp(trx_id, prev_trx_id) + && vers_del) { + + mutex_enter(&kernel_mutex); + break; + } + /* The stack of versions is locked by mtr. Thus, it is safe to fetch the prefixes for externally stored columns. */ @@ -206,8 +226,6 @@ row_vers_impl_x_locked_off_kernel( if prev_version would require rec to be in a different state. */ - vers_del = rec_get_deleted_flag(prev_version, comp); - /* We check if entry and rec are identified in the alphabetical ordering */ if (0 == cmp_dtuple_rec(entry, rec, offsets)) { @@ -243,9 +261,6 @@ row_vers_impl_x_locked_off_kernel( break; } - prev_trx_id = row_get_rec_trx_id(prev_version, clust_index, - clust_offsets); - if (0 != ut_dulint_cmp(trx_id, prev_trx_id)) { /* The versions modified by the trx_id transaction end to prev_version: no implicit x-lock */ diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 0df661334c9..91ed8090170 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -305,7 +305,7 @@ UNIV_INTERN ibool srv_stats_on_metadata = TRUE; /* When estimating number of different key values in an index, sample this many index pages */ -UNIV_INTERN ulong srv_stats_sample = SRV_STATS_SAMPLE_DEFAULT; +UNIV_INTERN ib_uint64_t srv_stats_sample_pages = 8; UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; UNIV_INTERN ibool srv_use_checksums = TRUE; @@ -1422,8 +1422,11 @@ srv_suspend_mysql_thread( srv_n_lock_wait_count++; srv_n_lock_wait_current_count++; - ut_usectime(&sec, &ms); - start_time = (ib_int64_t)sec * 1000000 + ms; + if (ut_usectime(&sec, &ms) == -1) { + start_time = -1; + } else { + start_time = (ib_int64_t) sec * 1000000 + ms; + } } /* Wake the lock timeout monitor thread, if it is suspended */ @@ -1486,14 +1489,20 @@ srv_suspend_mysql_thread( wait_time = ut_difftime(ut_time(), slot->suspend_time); if (thr->lock_state == QUE_THR_LOCK_ROW) { - ut_usectime(&sec, &ms); - finish_time = (ib_int64_t)sec * 1000000 + ms; + if (ut_usectime(&sec, &ms) == -1) { + finish_time = -1; + } else { + finish_time = (ib_int64_t) sec * 1000000 + ms; + } diff_time = (ulint) (finish_time - start_time); srv_n_lock_wait_current_count--; srv_n_lock_wait_time = srv_n_lock_wait_time + diff_time; - if (diff_time > srv_n_lock_max_wait_time) { + if (diff_time > srv_n_lock_max_wait_time && + /* only update the variable if we successfully + retrieved the start and finish times. See Bug#36819. */ + start_time != -1 && finish_time != -1) { srv_n_lock_max_wait_time = diff_time; } } @@ -1796,8 +1805,10 @@ srv_export_innodb_status(void) = UT_LIST_GET_LEN(buf_pool->flush_list); export_vars.innodb_buffer_pool_pages_free = UT_LIST_GET_LEN(buf_pool->free); +#ifdef UNIV_DEBUG export_vars.innodb_buffer_pool_pages_latched = buf_get_latched_pages_number(); +#endif /* UNIV_DEBUG */ export_vars.innodb_buffer_pool_pages_total = buf_pool->curr_size; export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size diff --git a/srv/srv0start.c b/srv/srv0start.c index 555155db3d5..7746e132a60 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -200,13 +200,13 @@ srv_parse_data_file_paths_and_sizes( str = srv_parse_megabytes(str, &size); - if (0 == memcmp(str, ":autoextend", - (sizeof ":autoextend") - 1)) { + if (0 == strncmp(str, ":autoextend", + (sizeof ":autoextend") - 1)) { str += (sizeof ":autoextend") - 1; - if (0 == memcmp(str, ":max:", - (sizeof ":max:") - 1)) { + if (0 == strncmp(str, ":max:", + (sizeof ":max:") - 1)) { str += (sizeof ":max:") - 1; @@ -288,14 +288,15 @@ srv_parse_data_file_paths_and_sizes( (*data_file_names)[i] = path; (*data_file_sizes)[i] = size; - if (0 == memcmp(str, ":autoextend", - (sizeof ":autoextend") - 1)) { + if (0 == strncmp(str, ":autoextend", + (sizeof ":autoextend") - 1)) { *is_auto_extending = TRUE; str += (sizeof ":autoextend") - 1; - if (0 == memcmp(str, ":max:", (sizeof ":max:") - 1)) { + if (0 == strncmp(str, ":max:", + (sizeof ":max:") - 1)) { str += (sizeof ":max:") - 1; @@ -1236,6 +1237,19 @@ innobase_start_or_create_for_mysql(void) return(DB_ERROR); } +#ifdef UNIV_DEBUG + /* We have observed deadlocks with a 5MB buffer pool but + the actual lower limit could very well be a little higher. */ + + if (srv_buf_pool_size <= 5 * 1024 * 1024) { + + fprintf(stderr, "InnoDB: Warning: Small buffer pool size " + "(%luM), the flst_validate() debug function " + "can cause a deadlock if the buffer pool fills up.\n", + srv_buf_pool_size / 1024 / 1024); + } +#endif + fsp_init(); log_init(); @@ -1448,7 +1462,17 @@ innobase_start_or_create_for_mysql(void) } else { /* Check if we support the max format that is stamped - on the system tablespace. */ + on the system tablespace. + Note: We are NOT allowed to make any modifications to + the TRX_SYS_PAGE_NO page before recovery because this + page also contains the max_trx_id etc. important system + variables that are required for recovery. We need to + ensure that we return the system to a state where normal + recovery is guaranteed to work. We do this by + invalidating the buffer cache, this will force the + reread of the page and restoration to it's last known + consistent state, this is REQUIRED for the recovery + process to work. */ err = trx_sys_file_format_max_check( srv_check_file_format_at_startup); @@ -1456,6 +1480,13 @@ innobase_start_or_create_for_mysql(void) return(err); } + /* Invalidate the buffer pool to ensure that we reread + the page that we read above, during recovery. + Note that this is not as heavy weight as it seems. At + this point there will be only ONE page in the buf_LRU + and there must be no page in the buf_flush list. */ + buf_pool_invalidate(); + /* We always try to do a recovery, even if the database had been shut down normally: this is the normal startup path */ @@ -1512,6 +1543,13 @@ innobase_start_or_create_for_mysql(void) are initialized in trx_sys_init_at_db_start(). */ recv_recovery_from_checkpoint_finish(); + + /* It is possible that file_format tag has never + been set. In this case we initialize it to minimum + value. Important to note that we can do it ONLY after + we have finished the recovery process so that the + image of TRX_SYS_PAGE_NO is not stale. */ + trx_sys_file_format_tag_init(); } if (!create_new_db && sum_of_new_sizes > 0) { diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 09f6ce0f41d..f8c3cbdf4a8 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1089,6 +1089,9 @@ sync_thread_add_level( || sync_thread_levels_g(array, SYNC_REC_LOCK)); break; case SYNC_IBUF_BITMAP: + /* Either the thread must own the master mutex to all + the bitmap pages, or it is allowed to latch only ONE + bitmap page. */ ut_a((sync_thread_levels_contain(array, SYNC_IBUF_BITMAP_MUTEX) && sync_thread_levels_g(array, SYNC_IBUF_BITMAP - 1)) || sync_thread_levels_g(array, SYNC_IBUF_BITMAP)); diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 69374e9c207..6bb46dd4e58 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -391,7 +391,15 @@ fill_trx_row( row->trx_weight = (ullint) ut_conv_dulint_to_longlong(TRX_WEIGHT(trx)); - row->trx_mysql_thread_id = ib_thd_get_thread_id(trx->mysql_thd); + if (trx->mysql_thd != NULL) { + row->trx_mysql_thread_id + = ib_thd_get_thread_id(trx->mysql_thd); + } else { + /* For internal transactions e.g., purge and transactions + being recovered at startup there is no associated MySQL + thread data structure. */ + row->trx_mysql_thread_id = 0; + } if (trx->mysql_query_str != NULL && *trx->mysql_query_str != NULL) { diff --git a/trx/trx0rec.c b/trx/trx0rec.c index 50f23c84834..2bab4b4b657 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -533,6 +533,8 @@ trx_undo_page_report_modify( ulint type_cmpl; byte* type_cmpl_ptr; ulint i; + dulint trx_id; + ibool ignore_prefix = FALSE; byte ext_buf[REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE]; @@ -565,6 +567,11 @@ trx_undo_page_report_modify( type_cmpl = TRX_UNDO_DEL_MARK_REC; } else if (rec_get_deleted_flag(rec, dict_table_is_comp(table))) { type_cmpl = TRX_UNDO_UPD_DEL_REC; + /* We are about to update a delete marked record. + We don't typically need the prefix in this case unless + the delete marking is done by the same transaction + (which we check below). */ + ignore_prefix = TRUE; } else { type_cmpl = TRX_UNDO_UPD_EXIST_REC; } @@ -588,7 +595,16 @@ trx_undo_page_report_modify( index, DATA_TRX_ID), &flen); ut_ad(flen == DATA_TRX_ID_LEN); - ptr += mach_dulint_write_compressed(ptr, trx_read_trx_id(field)); + trx_id = trx_read_trx_id(field); + + /* If it is an update of a delete marked record, then we are + allowed to ignore blob prefixes if the delete marking was done + by some other trx as it must have committed by now for us to + allow an over-write. */ + if (ignore_prefix) { + ignore_prefix = ut_dulint_cmp(trx_id, trx->id) != 0; + } + ptr += mach_dulint_write_compressed(ptr, trx_id); field = rec_get_nth_field(rec, offsets, dict_index_get_sys_col_pos( @@ -663,6 +679,7 @@ trx_undo_page_report_modify( ptr, dict_index_get_nth_col(index, pos) ->ord_part + && !ignore_prefix && flen < REC_MAX_INDEX_COL_LEN ? ext_buf : NULL, dict_table_zip_size(table), @@ -746,6 +763,7 @@ trx_undo_page_report_modify( ptr = trx_undo_page_report_modify_ext( ptr, flen < REC_MAX_INDEX_COL_LEN + && !ignore_prefix ? ext_buf : NULL, dict_table_zip_size(table), &field, &flen); @@ -996,6 +1014,9 @@ trx_undo_rec_get_partial_row( record! */ dict_index_t* index, /* in: clustered index */ dtuple_t** row, /* out, own: partial row */ + ibool ignore_prefix, /* in: flag to indicate if we + expect blob prefixes in undo. Used + only in the assertion. */ mem_heap_t* heap) /* in: memory heap from which the memory needed is allocated */ { @@ -1045,7 +1066,8 @@ trx_undo_rec_get_partial_row( /* If the prefix of this column is indexed, ensure that enough prefix is stored in the undo log record. */ - ut_a(!col->ord_part + ut_a(ignore_prefix + || !col->ord_part || dfield_get_len(dfield) >= REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE); diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 5331f23e50e..6f8e3726564 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -373,6 +373,21 @@ trx_release_savepoint_for_mysql( return(DB_SUCCESS); } +/*********************************************************************** +Determines if this transaction is rolling back an incomplete transaction +in crash recovery. */ +UNIV_INTERN +ibool +trx_is_recv( +/*========*/ + /* out: TRUE if trx is an incomplete + transaction that is being rolled back + in crash recovery */ + const trx_t* trx) /* in: transaction */ +{ + return(trx == trx_roll_crash_recv_trx); +} + /*********************************************************************** Returns a transaction savepoint taken at this point in time. */ UNIV_INTERN diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 01eae5fd74c..90c108b7156 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -1106,7 +1106,8 @@ static ulint trx_sys_file_format_max_read(void) /*==============================*/ - /* out: the file format */ + /* out: the file format or + ULINT_UNDEFINED if not set. */ { mtr_t mtr; const byte* ptr; @@ -1131,10 +1132,8 @@ trx_sys_file_format_max_read(void) if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH || format_id >= FILE_FORMAT_NAME_N) { - /* Either it has never been tagged, or garbage in it. - Reset the tag in either case. */ - format_id = DICT_TF_FORMAT_51; - trx_sys_file_format_max_write(format_id, NULL); + /* Either it has never been tagged, or garbage in it. */ + return(ULINT_UNDEFINED); } return(format_id); @@ -1170,6 +1169,11 @@ trx_sys_file_format_max_check( recover if the file format is not supported by the engine unless forced by the user. */ format_id = trx_sys_file_format_max_read(); + if (format_id == ULINT_UNDEFINED) { + /* Format ID was not set. Set it to minimum possible + value. */ + format_id = DICT_TF_FORMAT_51; + } ut_print_timestamp(stderr); fprintf(stderr, @@ -1212,11 +1216,11 @@ trx_sys_file_format_max_set( /*========================*/ /* out: TRUE if value updated */ ulint format_id, /* in: file format id */ - char** name) /* out: max file format name */ + char** name) /* out: max file format name or + NULL if not needed. */ { ibool ret = FALSE; - ut_a(name); ut_a(format_id <= DICT_TF_FORMAT_MAX); mutex_enter(&file_format_max.mutex); @@ -1232,6 +1236,26 @@ trx_sys_file_format_max_set( return(ret); } +/************************************************************************ +Tags the system table space with minimum format id if it has not been +tagged yet. +WARNING: This function is only called during the startup and AFTER the +redo log application during recovery has finished. */ +UNIV_INTERN +void +trx_sys_file_format_tag_init(void) +/*==============================*/ +{ + ulint format_id; + + format_id = trx_sys_file_format_max_read(); + + /* If format_id is not set then set it to the minimum. */ + if (format_id == ULINT_UNDEFINED) { + trx_sys_file_format_max_set(DICT_TF_FORMAT_51, NULL); + } +} + /************************************************************************ Update the file format tag in the tablespace only if the given format id is greater than the known max id. */ diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 94fc9e3e6e8..eacb1b14c6e 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -264,6 +264,7 @@ trx_free( trx_print(stderr, trx, 600); ut_print_buf(stderr, trx, sizeof(trx_t)); + putc('\n', stderr); } ut_a(trx->magic_n == TRX_MAGIC_N); @@ -805,6 +806,20 @@ trx_commit_off_kernel( trx->conc_state = TRX_COMMITTED_IN_MEMORY; /*--------------------------------------*/ + /* If we release kernel_mutex below and we are still doing + recovery i.e.: back ground rollback thread is still active + then there is a chance that the rollback thread may see + this trx as COMMITTED_IN_MEMORY and goes adhead to clean it + up calling trx_cleanup_at_db_startup(). This can happen + in the case we are committing a trx here that is left in + PREPARED state during the crash. Note that commit of the + rollback of a PREPARED trx happens in the recovery thread + while the rollback of other transactions happen in the + background thread. To avoid this race we unconditionally + unset the is_recovered flag from the trx. */ + + trx->is_recovered = FALSE; + lock_release_off_kernel(trx); if (trx->global_read_view) { diff --git a/trx/trx0undo.c b/trx/trx0undo.c index d496d3c3e01..2155bb0c973 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -1708,7 +1708,7 @@ trx_undo_assign_undo( /*=================*/ /* out: DB_SUCCESS if undo log assign successful, possible error codes are: - DD_TOO_MANY_CONCURRENT_TRXS + DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY*/ trx_t* trx, /* in: transaction */ ulint type) /* in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ diff --git a/ut/ut0ut.c b/ut/ut0ut.c index f1468113a76..1385e728321 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -105,19 +105,45 @@ ut_time(void) } /************************************************************** -Returns system time. */ +Returns system time. +Upon successful completion, the value 0 is returned; otherwise the +value -1 is returned and the global variable errno is set to indicate the +error. */ UNIV_INTERN -void +int ut_usectime( /*========*/ + /* out: 0 on success, -1 otherwise */ ulint* sec, /* out: seconds since the Epoch */ ulint* ms) /* out: microseconds since the Epoch+*sec */ { struct timeval tv; + int ret; + int errno_gettimeofday; + int i; - ut_gettimeofday(&tv, NULL); - *sec = (ulint) tv.tv_sec; - *ms = (ulint) tv.tv_usec; + for (i = 0; i < 10; i++) { + + ret = ut_gettimeofday(&tv, NULL); + + if (ret == -1) { + errno_gettimeofday = errno; + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: gettimeofday(): %s\n", + strerror(errno_gettimeofday)); + os_thread_sleep(100000); /* 0.1 sec */ + errno = errno_gettimeofday; + } else { + break; + } + } + + if (ret != -1) { + *sec = (ulint) tv.tv_sec; + *ms = (ulint) tv.tv_usec; + } + + return(ret); } /************************************************************** From 890cd67a11524466de7a60b514faebf990025cfd Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 15 Sep 2008 06:25:21 +0000 Subject: [PATCH 017/400] branches/innodb+: row_purge_remove_sec_if_poss_low(): Apply De Morgan's rule to eliminate double negation from an assertion. --- row/row0purge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/row/row0purge.c b/row/row0purge.c index 13942db0e94..1ef0783f4aa 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -322,7 +322,7 @@ row_purge_remove_sec_if_poss_low( btr_cur = btr_pcur_get_btr_cur(&pcur); leaf_in_buf_pool = btr_cur->leaf_in_buf_pool; - ut_a(!(found && !leaf_in_buf_pool)); + ut_a(!found || leaf_in_buf_pool); btr_pcur_close(&pcur); mtr_commit(&mtr); From b0f35c188ac2c4d07a8da5ca89d54b1227f2e2bc Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 15 Sep 2008 10:13:40 +0000 Subject: [PATCH 018/400] branches/innodb+: ibuf_t: Remove the unused array n_ops[]. ibuf_print(): Do not print n_ops[]. ibuf_print_ops(): Output trailing newline. --- ibuf/ibuf0ibuf.c | 18 +++++++++--------- include/ibuf0ibuf.ic | 3 --- 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 6ff47cba7a7..5b5474bbc38 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1265,9 +1265,9 @@ Print operation counts. The array must be of size IBUF_OP_COUNT. */ static void ibuf_print_ops( -/*=========*/ - ulint* ops, /* in: operation counts */ - FILE* file) /* in: file where to print */ +/*===========*/ + const ulint* ops, /* in: operation counts */ + FILE* file) /* in: file where to print */ { static const char* op_names[] = { "insert", @@ -1282,6 +1282,8 @@ ibuf_print_ops( fprintf(file, "%s %lu%s", op_names[i], (ulong) ops[i], (i < (IBUF_OP_COUNT - 1)) ? ", " : ""); } + + putc('\n', file); } /************************************************************************ @@ -4082,20 +4084,18 @@ ibuf_print( mutex_enter(&ibuf_mutex); fprintf(file, - "Ibuf: size %lu, free list len %lu, seg size %lu, %lu merges\n" - "total operations:\n ", + "Ibuf: size %lu, free list len %lu," + " seg size %lu, %lu merges\n", (ulong) ibuf->size, (ulong) ibuf->free_list_len, (ulong) ibuf->seg_size, (ulong) ibuf->n_merges); - ibuf_print_ops(ibuf->n_ops, file); - fprintf(file, "\nmerged operations:\n "); + fputs("merged operations:\n ", file); ibuf_print_ops(ibuf->n_merged_ops, file); - fprintf(file, "\ndiscarded operations:\n "); + fputs("discarded operations:\n ", file); ibuf_print_ops(ibuf->n_discarded_ops, file); - fputs("\n", file); #ifdef UNIV_IBUF_COUNT_DEBUG for (i = 0; i < IBUF_COUNT_N_SPACES; i++) { diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 7ab01cf4b52..1c52ee799cf 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -37,9 +37,6 @@ struct ibuf_struct{ ulint height; /* tree height */ dict_index_t* index; /* insert buffer index */ - ulint n_ops[IBUF_OP_COUNT]; - /* number of operations of each type - done */ ulint n_merges; /* number of pages merged */ ulint n_merged_ops[IBUF_OP_COUNT]; /* number of operations of each type From 61ed2bc91b421b9dfbbe323ebdb2178f8285c1ac Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 15 Sep 2008 10:15:25 +0000 Subject: [PATCH 019/400] branches/innodb+: ibuf0ibuf.c: Minor cleanup to make the code a little closer to branches/zip. ibuf_size_update(): Add const qualifier to the parameter "root". Remove #ifdef UNIV_SYNC_DEBUG around ut_ad(mutex_own()). ibuf_page(): Use the variable name local_mtr instead of mtr_local, to be more like existing functions. Eliminate the flag use_local_mtr. ibuf_get_merge_page_nos(): Restore an "if (...) break; else if" to "if (...) break; if" as in branches/zip. ibuf_dummy_index_create(), ibuf_dummy_index_add_col(), ibuf_contract_ext(), ibuf_insert_low(): Revert to the formatting of branches/zip. --- ibuf/ibuf0ibuf.c | 63 ++++++++++++++++++++++-------------------------- 1 file changed, 29 insertions(+), 34 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 5b5474bbc38..538f59f07bb 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -404,12 +404,10 @@ static void ibuf_size_update( /*=============*/ - page_t* root, /* in: ibuf tree root */ + const page_t* root, /* in: ibuf tree root */ mtr_t* mtr) /* in: mtr */ { -#ifdef UNIV_SYNC_DEBUG ut_ad(mutex_own(&ibuf_mutex)); -#endif /* UNIV_SYNC_DEBUG */ ibuf->free_list_len = flst_get_len(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, mtr); @@ -1006,9 +1004,8 @@ ibuf_page( transaction is created. */ { ibool ret; - mtr_t mtr_local; + mtr_t local_mtr; page_t* bitmap_page; - ibool use_local_mtr = (mtr == NULL); if (ibuf_fixed_addr_page(space, zip_size, page_no)) { @@ -1020,8 +1017,8 @@ ibuf_page( ut_ad(fil_space_get_type(IBUF_SPACE_ID) == FIL_TABLESPACE); - if (use_local_mtr) { - mtr = &mtr_local; + if (mtr == NULL) { + mtr = &local_mtr; mtr_start(mtr); } @@ -1030,7 +1027,7 @@ ibuf_page( ret = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, mtr); - if (use_local_mtr) { + if (mtr == &local_mtr) { mtr_commit(mtr); } @@ -1266,8 +1263,8 @@ static void ibuf_print_ops( /*===========*/ - const ulint* ops, /* in: operation counts */ - FILE* file) /* in: file where to print */ + ulint* ops, /* in: operation counts */ + FILE* file) /* in: file where to print */ { static const char* op_names[] = { "insert", @@ -1300,11 +1297,12 @@ ibuf_dummy_index_create( dict_table_t* table; dict_index_t* index; - table = dict_mem_table_create( - "IBUF_DUMMY", DICT_HDR_SPACE, n, comp ? DICT_TF_COMPACT : 0); + table = dict_mem_table_create("IBUF_DUMMY", + DICT_HDR_SPACE, n, + comp ? DICT_TF_COMPACT : 0); - index = dict_mem_index_create( - "IBUF_DUMMY", "IBUF_DUMMY", DICT_HDR_SPACE, 0, n); + index = dict_mem_index_create("IBUF_DUMMY", "IBUF_DUMMY", + DICT_HDR_SPACE, 0, n); index->table = table; @@ -1324,14 +1322,12 @@ ibuf_dummy_index_add_col( ulint len) /* in: length of the column */ { ulint i = index->table->n_def; - - dict_mem_table_add_col( - index->table, NULL, NULL, dtype_get_mtype(type), - dtype_get_prtype(type), dtype_get_len(type)); - - dict_index_add_col( - index, index->table, - dict_table_get_nth_col(index->table, i), len); + dict_mem_table_add_col(index->table, NULL, NULL, + dtype_get_mtype(type), + dtype_get_prtype(type), + dtype_get_len(type)); + dict_index_add_col(index, index->table, + dict_table_get_nth_col(index->table, i), len); } /************************************************************************ Deallocates a dummy index for inserting a record to a non-clustered index. @@ -2235,9 +2231,10 @@ ibuf_get_merge_page_nos( != (first_page_no / IBUF_MERGE_AREA)) { break; - } else if (rec_page_no != prev_page_no - || rec_space_id != prev_space_id) { + } + if (rec_page_no != prev_page_no + || rec_space_id != prev_space_id) { n_pages++; } @@ -2395,10 +2392,9 @@ ibuf_contract_ext( mutex_exit(&ibuf_mutex); - sum_sizes = ibuf_get_merge_page_nos( - TRUE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, page_nos, &n_stored); - + sum_sizes = ibuf_get_merge_page_nos(TRUE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, + page_nos, &n_stored); #if 0 /* defined UNIV_IBUF_DEBUG */ fprintf(stderr, "Ibuf contract sync %lu pages %lu volume %lu\n", sync, n_stored, sum_sizes); @@ -3041,8 +3037,8 @@ ibuf_insert_low( #endif mtr_start(&bitmap_mtr); - bitmap_page = ibuf_bitmap_get_map_page( - space, page_no, zip_size, &bitmap_mtr); + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, + zip_size, &bitmap_mtr); /* We check if the index page is suitable for buffered entries */ @@ -3055,17 +3051,16 @@ ibuf_insert_low( goto function_exit; } - bits = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, &bitmap_mtr); + bits = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, &bitmap_mtr); if (buffered + entry_size + page_dir_calc_reserved_space(1) > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { + mtr_commit(&bitmap_mtr); /* It may not fit */ err = DB_STRONG_FAIL; - mtr_commit(&bitmap_mtr); - do_merge = TRUE; ibuf_get_merge_page_nos( From 0b0d806e6ac7608e732704382dfab77d1ed051d2 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Sep 2008 19:31:42 +0000 Subject: [PATCH 020/400] branches/innodb+: Minor cleanup. btr0cur.c: Undo changes to white space that make the code differ from branches/zip. btr_cur_del_unmark_for_ibuf(): Remove this unused function. btr_cur_set_deleted_flag_for_ibuf(): Add missing UNIV_INTERN specifier. Correct the function comment. Call btr_rec_set_deleted_flag() instead of rec_set_deleted_flag_new(), so that delete buffering will actually work on ROW_FORMAT=REDUNDANT tables. --- btr/btr0cur.c | 37 ++++++------------------------------- include/btr0cur.h | 18 ++---------------- 2 files changed, 8 insertions(+), 47 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 8f388fe3f7d..7694140e687 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -147,8 +147,6 @@ btr_rec_get_externally_stored_len( rec_t* rec, /* in: record */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ - - /********************************************************** The following function is used to set the deleted bit of a record. */ UNIV_INLINE @@ -158,7 +156,7 @@ btr_rec_set_deleted_flag( /* out: TRUE on success; FALSE on page_zip overflow */ rec_t* rec, /* in/out: physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ + page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ ulint flag) /* in: nonzero if delete marked */ { if (page_rec_is_comp(rec)) { @@ -2773,13 +2771,13 @@ btr_cur_del_mark_set_sec_rec( } /*************************************************************** -Sets a secondary index record'd delete mark to value. This function is only -used by the insert buffer insert merge mechanism. */ +Sets a secondary index record's delete mark to the given value. This +function is only used by the insert buffer merge mechanism. */ UNIV_INTERN void -btr_cur_del_unmark_for_ibuf( -/*========================*/ - rec_t* rec, /* in/out: record to delete unmark */ +btr_cur_set_deleted_flag_for_ibuf( +/*==============================*/ + rec_t* rec, /* in/out: record */ page_zip_des_t* page_zip, /* in/out: compressed page corresponding to rec, or NULL when the tablespace is @@ -2795,29 +2793,6 @@ btr_cur_del_unmark_for_ibuf( btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); } -/*************************************************************** -Sets a secondary index record's delete mark to the given value. This -function is only used by the insert buffer merge mechanism. */ - -void -btr_cur_set_deleted_flag_for_ibuf( -/*==============================*/ - rec_t* rec, /* in: record */ - page_zip_des_t* page_zip, /* in/out: compressed page - corresponding to rec, or NULL - when the tablespace is - uncompressed */ - ibool val, /* in: value to set */ - mtr_t* mtr) /* in: mtr */ -{ - /* We do not need to reserve btr_search_latch, as the page has just - been read to the buffer pool and there cannot be a hash index to it. */ - - rec_set_deleted_flag_new(rec, page_zip, val); - - btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); -} - /*==================== B-TREE RECORD REMOVE =========================*/ /***************************************************************** diff --git a/include/btr0cur.h b/include/btr0cur.h index 9ec30b44ded..735727edc9c 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -311,20 +311,6 @@ btr_cur_del_mark_set_sec_rec( ibool val, /* in: value to set */ que_thr_t* thr, /* in: query thread */ mtr_t* mtr); /* in: mtr */ -/*************************************************************** -Sets a secondary index record delete mark to the given value. This -function is only used by the insert buffer insert merge mechanism. */ -UNIV_INTERN -void -btr_cur_del_unmark_for_ibuf( -/*========================*/ - rec_t* rec, /* in/out: record to delete unmark */ - page_zip_des_t* page_zip, /* in/out: compressed page - corresponding to rec, or NULL - when the tablespace is - uncompressed */ - ibool val, /* value to set */ - mtr_t* mtr); /* in: mtr */ /***************************************************************** Tries to compress a page of the tree if it seems useful. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid @@ -574,11 +560,11 @@ btr_push_update_extern_fields( /*************************************************************** Sets a secondary index record's delete mark to the given value. This function is only used by the insert buffer merge mechanism. */ - +UNIV_INTERN void btr_cur_set_deleted_flag_for_ibuf( /*==============================*/ - rec_t* rec, /* in: record */ + rec_t* rec, /* in/out: record */ page_zip_des_t* page_zip, /* in/out: compressed page corresponding to rec, or NULL when the tablespace is From cd20d90594a55fa51ff80b7c1dfbeb0e9c8e7d92 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Sep 2008 19:38:41 +0000 Subject: [PATCH 021/400] branches/innodb+: buf0buddy.c: Undo changes to white space that make the file differ from branches/zip. --- buf/buf0buddy.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 7cfbb7da108..9b50df28508 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -201,7 +201,6 @@ buf_buddy_block_register( buf_block_t* block) /* in: buffer frame to allocate */ { const ulint fold = BUF_POOL_ZIP_FOLD(block); - ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); @@ -213,7 +212,6 @@ buf_buddy_block_register( ut_ad(!block->page.in_page_hash); ut_ad(!block->page.in_zip_hash); ut_d(block->page.in_zip_hash = TRUE); - HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); ut_d(buf_buddy_n_frames++); @@ -307,7 +305,6 @@ buf_buddy_alloc_low( *lru = TRUE; buf_pool_mutex_enter(); - alloc_big: buf_buddy_block_register(block); From 3c939e95cdcda84e44f583da631145f8b281c3bd Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Sep 2008 19:52:30 +0000 Subject: [PATCH 022/400] branches/innodb+: Merge 2579:2637 from branches/zip. --- ChangeLog | 175 ++++++++++++++++++++++++++++ btr/btr0btr.c | 56 ++++++++- btr/btr0cur.c | 134 +++++++++++++--------- btr/btr0sea.c | 34 +++--- buf/buf0buf.c | 8 ++ buf/buf0lru.c | 49 ++++++-- data/data0data.c | 1 + dict/dict0crea.c | 6 +- dict/dict0dict.c | 188 ++++++++----------------------- handler/ha_innodb.cc | 100 ++++++++++------ handler/handler0alter.cc | 64 +++++++++-- ibuf/ibuf0ibuf.c | 39 +++++-- include/buf0buf.ic | 9 ++ include/dict0dict.h | 30 ++--- include/fut0lst.ic | 4 + include/ha_prototypes.h | 48 ++++++++ include/hash0hash.h | 2 +- include/ibuf0ibuf.h | 70 +++++++++--- include/ibuf0ibuf.ic | 11 +- include/page0page.h | 28 +++-- include/page0page.ic | 36 +++--- include/page0zip.h | 2 + include/page0zip.ic | 34 +++--- include/univ.i | 1 + mysql-test/innodb-analyze.result | 2 + mysql-test/innodb-analyze.test | 63 +++++++++++ mysql-test/innodb-autoinc.result | 27 +++++ mysql-test/innodb-autoinc.test | 21 ++++ mysql-test/innodb-index.result | 164 +++++++++++++++++++++++++++ mysql-test/innodb-index.test | 111 ++++++++++++++++++ mysql-test/innodb-zip.result | 6 +- mysql-test/innodb-zip.test | 6 +- mysql-test/innodb.result | 4 + mysql-test/innodb_bug36172.test | 2 +- page/page0zip.c | 10 +- row/row0merge.c | 11 +- row/row0sel.c | 17 +-- srv/srv0start.c | 2 +- 38 files changed, 1169 insertions(+), 406 deletions(-) create mode 100644 mysql-test/innodb-analyze.result create mode 100644 mysql-test/innodb-analyze.test diff --git a/ChangeLog b/ChangeLog index 9463f692808..eee2b83dc7c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,178 @@ +2008-09-17 The InnoDB Team + + * btr/btr0cur.c, data/data0data.c, include/page0zip.h, + include/page0zip.ic, page/page0zip.c, + mysql-test/innodb_bug36172.test: + Prevent infinite B-tree page splits in compressed tables by + ensuring that there will always be enough space for two node + pointer records in an empty B-tree page. Also, require that at + least one data record will fit in an empty compressed page. This + will reduce the maximum size of records in compressed tables. + This was reported as Mantis issue #73. + +2008-09-09 The InnoDB Team + + * mysql-test/innodb.result: + Fix the failing innodb test by merging changes that MySQL made to + that file (r2646.12.1 in MySQL BZR repository) + +2008-09-09 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#38839 auto increment does not work properly with InnoDB after + update + +2008-09-09 The InnoDB Team + + * dict/dict0dict.c, handler/handler0alter.cc, include/dict0dict.h, + mysql-test/innodb-index.result, mysql-test/innodb-index.test: + Fix Bug#38786 InnoDB plugin crashes on drop table/create table with FK + +2008-08-21 The InnoDB Team + + * handler/ha_innodb.cc, include/ha_prototypes.h, row/row0sel.c: + Fix Bug#37885 row_search_for_mysql may gap lock unnecessarily with SQL + comments in query + +2008-08-21 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#38185 ha_innobase::info can hold locks even when called with + HA_STATUS_NO_LOCK + +2008-08-18 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.ic, include/univ.i: + Introduce UNIV_LRU_DEBUG for debugging the LRU buffer pool cache + +2008-08-08 The InnoDB Team + + * buf/buf0lru.c, include/buf0buf.h: + Fix two recovery bugs that could lead to a crash in debug builds with + small buffer size + +2008-08-07 The InnoDB Team + + * btr/btr0cur.c, handler/ha_innodb.cc, include/srv0srv.h, + srv/srv0srv.c: + Add a parameter innodb_stats_sample_pages to allow users to control + the number of index dives when InnoDB estimates the cardinality of + an index (ANALYZE TABLE, SHOW TABLE STATUS etc) + +2008-08-07 The InnoDB Team + + * trx/trx0i_s.c: + Fix a bug that would lead to a crash if a SELECT was issued from the + INFORMATION_SCHEMA tables and there are rolling back transactions at + the same time + +2008-08-06 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, ibuf/ibuf0ibuf.c, include/btr0cur.h, + include/trx0roll.h, include/trx0types.h, row/row0purge.c, + row/row0uins.c, row/row0umod.c, trx/trx0roll.c: + In the rollback of incomplete transactions after crash recovery, + tolerate clustered index records whose externally stored columns + have not been written. + +2008-07-30 The InnoDB Team + + * trx/trx0trx.c: + Fixes a race in recovery where the recovery thread recovering a + PREPARED trx and the background rollback thread can both try + to free the trx after its status is set to COMMITTED_IN_MEMORY. + +2008-07-29 The InnoDB Team + + * include/trx0rec.h, row/row0purge.c, row/row0vers.c, trx/trx0rec.c: + Fix a BLOB corruption bug + +2008-07-15 The InnoDB Team + + * btr/btr0sea.c, dict/dict0dict.c, include/btr0sea.h: + Fixed a timing hole where a thread dropping an index can free the + in-memory index struct while another thread is still using that + structure to remove entries from adaptive hash index belonging + to one of the pages that belongs to the index being dropped. + +2008-07-04 The InnoDB Team + + * mysql-test/innodb-index.result: + Fix the failing innodb-index test by adjusting the result to a new + MySQL behavior (the change occured in BZR-r2667) + +2008-07-03 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: + Remove the negative test cases that produce warnings + +2008-07-02 The InnoDB Team + + * mysql-test/innodb-replace.result, mysql-test/innodb-index.test: + Disable part of innodb-index test because MySQL changed its behavior + and is not calling ::add_index() anymore when adding primary index on + non-NULL column + +2008-07-01 The InnoDB Team + + * mysql-test/innodb-replace.result, mysql-test/innodb-replace.test: + Fix the failing innodb-replace test by merging changes that MySQL + made to that file (r2659 in MySQL BZR repository) + +2008-07-01 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#36942 Performance problem in lock_get_n_rec_locks (SHOW INNODB + STATUS) + +2008-07-01 The InnoDB Team + + * ha/ha0ha.c: + Fix Bug#36941 Performance problem in ha_print_info (SHOW INNODB + STATUS) + +2008-07-01 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#37531 After truncate, auto_increment behaves incorrectly for + InnoDB + +2008-06-19 The InnoDB Team + + * handler/ha_innodb.cc: + Rewrite the function innodb_plugin_init() to support parameters in + different order (in static and dynamic InnoDB) and to support more + parameters in the static InnoDB + +2008-06-19 The InnoDB Team + + * handler/handler0alter.cc: + Fix a bug in ::add_index() which set the transaction state to "active" + but never restored it to the original value. This bug caused warnings + to be printed by the rpl.rpl_ddl mysql-test. + +2008-06-19 The InnoDB Team + + * mysql-test/patches: + Add a directory which contains patches, which need to be applied to + MySQL source in order to get some mysql-tests to succeed. The patches + cannot be committed in MySQL repository because they are specific to + the InnoDB plugin. + +2008-06-19 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test, + row/row0row.c: + Fix an anomaly when updating a record with BLOB prefix + +2008-06-18 The InnoDB Team + + * include/trx0sys.h, srv/srv0start.c, trx/trx0sys.c: + Fix a bug in recovery which was a side effect of the file_format_check + changes + 2008-06-09 The InnoDB Team * mysql-test/innodb.result: diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 6512311af9a..4b2749c21f4 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -78,6 +78,26 @@ make them consecutive on disk if possible. From the other file segment we allocate pages for the non-leaf levels of the tree. */ +#ifdef UNIV_BTR_DEBUG +/****************************************************************** +Checks a file segment header within a B-tree root page. */ +static +ibool +btr_root_fseg_validate( +/*===================*/ + /* out: TRUE if valid */ + const fseg_header_t* seg_header, /* in: segment header */ + ulint space) /* in: tablespace identifier */ +{ + ulint offset = mach_read_from_2(seg_header + FSEG_HDR_OFFSET); + + ut_a(mach_read_from_4(seg_header + FSEG_HDR_SPACE) == space); + ut_a(offset >= FIL_PAGE_DATA); + ut_a(offset <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); + return(TRUE); +} +#endif /* UNIV_BTR_DEBUG */ + /****************************************************************** Gets the root node of a tree and x-latches it. */ static @@ -100,6 +120,12 @@ btr_root_block_get( block = btr_block_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); ut_a((ibool)!!page_is_comp(buf_block_get_frame(block)) == dict_table_is_comp(index->table)); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + buf_block_get_frame(block), space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + buf_block_get_frame(block), space)); +#endif /* UNIV_BTR_DEBUG */ return(block); } @@ -833,6 +859,12 @@ leaf_loop: mtr_start(&mtr); root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); +#endif /* UNIV_BTR_DEBUG */ /* NOTE: page hash indexes are dropped when a page is freed inside fsp0fsp. */ @@ -849,6 +881,10 @@ top_loop: mtr_start(&mtr); root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); +#endif /* UNIV_BTR_DEBUG */ finished = fseg_free_step_not_header( root + PAGE_HEADER + PAGE_BTR_SEG_TOP, &mtr); @@ -881,6 +917,9 @@ btr_free_root( btr_search_drop_page_hash_index(block); header = buf_block_get_frame(block) + PAGE_HEADER + PAGE_BTR_SEG_TOP; +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(header, space)); +#endif /* UNIV_BTR_DEBUG */ while (!fseg_free_step(header, mtr)); } @@ -1117,8 +1156,13 @@ btr_root_raise_and_insert( ut_a(!root_page_zip || page_zip_validate(root_page_zip, root)); #endif /* UNIV_ZIP_DEBUG */ index = btr_cur_get_index(cursor); - - ut_ad(dict_index_get_page(index) == page_get_page_no(root)); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, dict_index_get_space(index))); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, dict_index_get_space(index))); + ut_a(dict_index_get_page(index) == page_get_page_no(root)); +#endif /* UNIV_BTR_DEBUG */ ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), MTR_MEMO_X_LOCK)); ut_ad(mtr_memo_contains(mtr, root_block, MTR_MEMO_PAGE_X_FIX)); @@ -2664,6 +2708,14 @@ btr_discard_only_page_on_level( == dict_index_get_page(index))) { /* The father is the root page */ +#ifdef UNIV_BTR_DEBUG + const page_t* root = buf_block_get_frame(father_block); + const ulint space = dict_index_get_space(index); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); +#endif /* UNIV_BTR_DEBUG */ btr_page_empty(father_block, father_page_zip, mtr, index); /* We play safe and reset the free bits for the father */ diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 7694140e687..334c75e696a 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -969,7 +969,7 @@ btr_cur_open_at_rnd_pos( /***************************************************************** Inserts a record if there is enough space, or if enough space can -be freed by reorganizing. Differs from _optimistic_insert because +be freed by reorganizing. Differs from btr_cur_optimistic_insert because no heuristics is applied to whether it pays to use CPU time for reorganizing the page or not. */ static @@ -1173,7 +1173,8 @@ btr_cur_optimistic_insert( /* Calculate the record size when entry is converted to a record */ rec_size = rec_get_converted_size(index, entry, n_ext); - if (page_zip_rec_needs_ext(rec_size, page_is_comp(page), zip_size)) { + if (page_zip_rec_needs_ext(rec_size, page_is_comp(page), + dtuple_get_n_fields(entry), zip_size)) { /* The record is so big that we have to store some fields externally on separate database pages */ @@ -1187,6 +1188,46 @@ btr_cur_optimistic_insert( rec_size = rec_get_converted_size(index, entry, n_ext); } + if (UNIV_UNLIKELY(zip_size)) { + /* Estimate the free space of an empty compressed page. + Subtract one byte for the encoded heap_no in the + modification log. */ + ulint free_space_zip = page_zip_empty_size( + cursor->index->n_fields, zip_size) - 1; + ulint extra; + ulint n_uniq = dict_index_get_n_unique_in_tree(index); + + ut_ad(dict_table_is_comp(index->table)); + + /* There should be enough room for two node pointer + records on an empty non-leaf page. This prevents + infinite page splits. */ + + if (UNIV_LIKELY(entry->n_fields >= n_uniq) + && UNIV_UNLIKELY(rec_get_converted_size_comp( + index, REC_STATUS_NODE_PTR, + entry->fields, n_uniq, + &extra) + /* On a compressed page, there is + a two-byte entry in the dense + page directory for every record. + But there is no record header. */ + - (REC_N_NEW_EXTRA_BYTES - 2) + > free_space_zip / 2)) { + + if (big_rec_vec) { + dtuple_convert_back_big_rec( + index, entry, big_rec_vec); + } + + if (heap) { + mem_heap_free(heap); + } + + return(DB_TOO_BIG_RECORD); + } + } + /* If there have been many consecutive inserts, and we are on the leaf level, check if we have to split the page to reserve enough free space for future updates of records. */ @@ -1418,6 +1459,7 @@ btr_cur_pessimistic_insert( if (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, n_ext), dict_table_is_comp(index->table), + dict_index_get_n_fields(index), zip_size)) { /* The record is so big that we have to store some fields externally on separate database pages */ @@ -1441,45 +1483,6 @@ btr_cur_pessimistic_insert( } } - if (UNIV_UNLIKELY(zip_size)) { - /* Estimate the free space of an empty compressed page. */ - ulint free_space_zip = page_zip_empty_size( - cursor->index->n_fields, zip_size); - - if (UNIV_UNLIKELY(rec_get_converted_size(index, entry, n_ext) - > free_space_zip)) { - /* Try to insert the record by itself on a new page. - If it fails, no amount of splitting will help. */ - buf_block_t* temp_block - = buf_block_alloc(zip_size); - page_t* temp_page - = page_create_zip(temp_block, index, 0, NULL); - page_cur_t temp_cursor; - rec_t* temp_rec; - - page_cur_position(temp_page + PAGE_NEW_INFIMUM, - temp_block, &temp_cursor); - - temp_rec = page_cur_tuple_insert(&temp_cursor, - entry, index, - n_ext, NULL); - buf_block_free(temp_block); - - if (UNIV_UNLIKELY(!temp_rec)) { - if (big_rec_vec) { - dtuple_convert_back_big_rec( - index, entry, big_rec_vec); - } - - if (heap) { - mem_heap_free(heap); - } - - return(DB_TOO_BIG_RECORD); - } - } - } - if (dict_index_get_page(index) == buf_block_get_page_no(btr_cur_get_block(cursor))) { @@ -2289,10 +2292,20 @@ btr_cur_pessimistic_update( offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, heap); n_ext += btr_push_update_extern_fields(new_entry, update, *heap); - if (page_zip_rec_needs_ext(rec_get_converted_size(index, new_entry, - n_ext), - page_is_comp(page), page_zip - ? page_zip_get_size(page_zip) : 0)) { + if (UNIV_LIKELY_NULL(page_zip)) { + ut_ad(page_is_comp(page)); + if (page_zip_rec_needs_ext( + rec_get_converted_size(index, new_entry, n_ext), + TRUE, + dict_index_get_n_fields(index), + page_zip_get_size(page_zip))) { + + goto make_external; + } + } else if (page_zip_rec_needs_ext( + rec_get_converted_size(index, new_entry, n_ext), + page_is_comp(page), 0, 0)) { +make_external: big_rec_vec = dtuple_convert_big_rec(index, new_entry, &n_ext); if (UNIV_UNLIKELY(big_rec_vec == NULL)) { @@ -3270,6 +3283,7 @@ btr_estimate_number_of_different_key_vals( ulint matched_fields; ulint matched_bytes; ib_int64_t* n_diff; + ullint n_sample_pages; /* number of pages to sample */ ulint not_empty_flag = 0; ulint total_external_size = 0; ulint i; @@ -3288,9 +3302,21 @@ btr_estimate_number_of_different_key_vals( n_diff = mem_zalloc((n_cols + 1) * sizeof(ib_int64_t)); + /* It makes no sense to test more pages than are contained + in the index, thus we lower the number if it is too high */ + if (srv_stats_sample_pages > index->stat_index_size) { + if (index->stat_index_size > 0) { + n_sample_pages = index->stat_index_size; + } else { + n_sample_pages = 1; + } + } else { + n_sample_pages = srv_stats_sample_pages; + } + /* We sample some pages in the index to get an estimate */ - for (i = 0; i < srv_stats_sample_pages; i++) { + for (i = 0; i < n_sample_pages; i++) { rec_t* supremum; mtr_start(&mtr); @@ -3379,7 +3405,7 @@ btr_estimate_number_of_different_key_vals( } /* If we saw k borders between different key values on - srv_stats_sample_pages leaf pages, we can estimate how many + n_sample_pages leaf pages, we can estimate how many there will be in index->stat_n_leaf_pages */ /* We must take into account that our sample actually represents @@ -3390,26 +3416,26 @@ btr_estimate_number_of_different_key_vals( index->stat_n_diff_key_vals[j] = ((n_diff[j] * (ib_int64_t)index->stat_n_leaf_pages - + srv_stats_sample_pages - 1 + + n_sample_pages - 1 + total_external_size + not_empty_flag) - / (srv_stats_sample_pages + / (n_sample_pages + total_external_size)); /* If the tree is small, smaller than - 10 * srv_stats_sample_pages + total_external_size, then + 10 * n_sample_pages + total_external_size, then the above estimate is ok. For bigger trees it is common that we do not see any borders between key values in the few pages - we pick. But still there may be srv_stats_sample_pages + we pick. But still there may be n_sample_pages different key values, or even more. Let us try to approximate that: */ add_on = index->stat_n_leaf_pages - / (10 * (srv_stats_sample_pages + / (10 * (n_sample_pages + total_external_size)); - if (add_on > srv_stats_sample_pages) { - add_on = srv_stats_sample_pages; + if (add_on > n_sample_pages) { + add_on = n_sample_pages; } index->stat_n_diff_key_vals[j] += add_on; diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 781e4cea558..f16065bcf9a 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -971,21 +971,21 @@ btr_search_drop_page_hash_index( for which we know that block->buf_fix_count == 0 */ { - hash_table_t* table; - ulint n_fields; - ulint n_bytes; - page_t* page; - rec_t* rec; - ulint fold; - ulint prev_fold; - dulint index_id; - ulint n_cached; - ulint n_recs; - ulint* folds; - ulint i; - mem_heap_t* heap; - dict_index_t* index; - ulint* offsets; + hash_table_t* table; + ulint n_fields; + ulint n_bytes; + const page_t* page; + const rec_t* rec; + ulint fold; + ulint prev_fold; + dulint index_id; + ulint n_cached; + ulint n_recs; + ulint* folds; + ulint i; + mem_heap_t* heap; + const dict_index_t* index; + ulint* offsets; #ifdef UNIV_SYNC_DEBUG ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); @@ -1034,7 +1034,7 @@ retry: n_cached = 0; rec = page_get_infimum_rec(page); - rec = page_rec_get_next(rec); + rec = page_rec_get_next_low(rec, page_is_comp(page)); index_id = btr_page_get_index_id(page); @@ -1062,7 +1062,7 @@ retry: folds[n_cached] = fold; n_cached++; next_rec: - rec = page_rec_get_next(rec); + rec = page_rec_get_next_low(rec, page_rec_is_comp(rec)); prev_fold = fold; } diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c08d6db45a8..de01a19ce2b 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1053,6 +1053,14 @@ buf_relocate( if (UNIV_UNLIKELY(buf_pool->LRU_old == bpage)) { buf_pool->LRU_old = dpage; +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); +#endif /* UNIV_LRU_DEBUG */ } ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU)); diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 9fc0bfd127a..ed002244ba0 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -712,7 +712,7 @@ loop: if (n_iterations > 30) { ut_print_timestamp(stderr); fprintf(stderr, - "InnoDB: Warning: difficult to find free blocks from\n" + " InnoDB: Warning: difficult to find free blocks in\n" "InnoDB: the buffer pool (%lu search iterations)!" " Consider\n" "InnoDB: increasing the buffer pool size.\n" @@ -790,12 +790,25 @@ buf_LRU_old_adjust_len(void) #if 3 * (BUF_LRU_OLD_MIN_LEN / 8) <= BUF_LRU_OLD_TOLERANCE + 5 # error "3 * (BUF_LRU_OLD_MIN_LEN / 8) <= BUF_LRU_OLD_TOLERANCE + 5" #endif +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); +#endif /* UNIV_LRU_DEBUG */ for (;;) { old_len = buf_pool->LRU_old_len; new_len = 3 * (UT_LIST_GET_LEN(buf_pool->LRU) / 8); ut_ad(buf_pool->LRU_old->in_LRU_list); + ut_a(buf_pool->LRU_old); +#ifdef UNIV_LRU_DEBUG + ut_a(buf_pool->LRU_old->old); +#endif /* UNIV_LRU_DEBUG */ /* Update the LRU_old pointer if necessary */ @@ -803,6 +816,9 @@ buf_LRU_old_adjust_len(void) buf_pool->LRU_old = UT_LIST_GET_PREV( LRU, buf_pool->LRU_old); +#ifdef UNIV_LRU_DEBUG + ut_a(!buf_pool->LRU_old->old); +#endif /* UNIV_LRU_DEBUG */ buf_page_set_old(buf_pool->LRU_old, TRUE); buf_pool->LRU_old_len++; @@ -813,8 +829,6 @@ buf_LRU_old_adjust_len(void) LRU, buf_pool->LRU_old); buf_pool->LRU_old_len--; } else { - ut_a(buf_pool->LRU_old); /* Check that we did not - fall out of the LRU list */ return; } } @@ -901,6 +915,9 @@ buf_LRU_remove_block( buf_pool->LRU_old = UT_LIST_GET_PREV(LRU, bpage); ut_a(buf_pool->LRU_old); +#ifdef UNIV_LRU_DEBUG + ut_a(!buf_pool->LRU_old->old); +#endif /* UNIV_LRU_DEBUG */ buf_page_set_old(buf_pool->LRU_old, TRUE); buf_pool->LRU_old_len++; @@ -974,8 +991,6 @@ buf_LRU_add_block_to_end_low( ut_a(buf_page_in_file(bpage)); - buf_page_set_old(bpage, TRUE); - last_bpage = UT_LIST_GET_LAST(buf_pool->LRU); if (last_bpage) { @@ -988,6 +1003,8 @@ buf_LRU_add_block_to_end_low( UT_LIST_ADD_LAST(LRU, buf_pool->LRU, bpage); ut_d(bpage->in_LRU_list = TRUE); + buf_page_set_old(bpage, TRUE); + if (UT_LIST_GET_LEN(buf_pool->LRU) >= BUF_LRU_OLD_MIN_LEN) { buf_pool->LRU_old_len++; @@ -1035,8 +1052,6 @@ buf_LRU_add_block_low( ut_a(buf_page_in_file(bpage)); ut_ad(!bpage->in_LRU_list); - buf_page_set_old(bpage, old); - if (!old || (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN)) { UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, bpage); @@ -1044,6 +1059,15 @@ buf_LRU_add_block_low( bpage->LRU_position = buf_pool_clock_tic(); bpage->freed_page_clock = buf_pool->freed_page_clock; } else { +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); +#endif /* UNIV_LRU_DEBUG */ UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, buf_pool->LRU_old, bpage); buf_pool->LRU_old_len++; @@ -1056,6 +1080,8 @@ buf_LRU_add_block_low( ut_d(bpage->in_LRU_list = TRUE); + buf_page_set_old(bpage, old); + if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { ut_ad(buf_pool->LRU_old); @@ -1252,6 +1278,15 @@ alloc: buf_pool->LRU_old = b; } +#ifdef UNIV_LRU_DEBUG + ut_a(prev_b->old + || !UT_LIST_GET_NEXT(LRU, b) + || UT_LIST_GET_NEXT(LRU, b)->old); + } else { + ut_a(!prev_b->old + || !UT_LIST_GET_NEXT(LRU, b) + || !UT_LIST_GET_NEXT(LRU, b)->old); +#endif /* UNIV_LRU_DEBUG */ } lru_len = UT_LIST_GET_LEN(buf_pool->LRU); diff --git a/data/data0data.c b/data/data0data.c index b90b792d122..212bc8237c0 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -607,6 +607,7 @@ dtuple_convert_big_rec( while (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, *n_ext), dict_table_is_comp(index->table), + dict_index_get_n_fields(index), dict_table_zip_size(index->table))) { ulint i; ulint longest = 0; diff --git a/dict/dict0crea.c b/dict/dict0crea.c index f9959d29a93..6be6946003f 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -543,11 +543,7 @@ dict_build_index_def_step( ut_ad((UT_LIST_GET_LEN(table->indexes) > 0) || dict_index_is_clust(index)); - /* For fast index creation we have already allocated an index id - for this index so that we could write an UNDO log record for it.*/ - if (ut_dulint_is_zero(index->id)) { - index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); - } + index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); /* Inherit the space id from the table; we store all indexes of a table in the same tablespace */ diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 1003e92d791..8b127ed7ecd 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -55,56 +55,6 @@ UNIV_INTERN rw_lock_t dict_operation_lock; /* Identifies generated InnoDB foreign key names */ static char dict_ibfk[] = "_ibfk_"; -#ifndef UNIV_HOTBACKUP -/********************************************************************** -Converts an identifier to a table name. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -UNIV_INTERN -void -innobase_convert_from_table_id( -/*===========================*/ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len); /* in: length of 'to', in bytes; - should be at least 5 * strlen(to) + 1 */ -/********************************************************************** -Converts an identifier to UTF-8. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -UNIV_INTERN -void -innobase_convert_from_id( -/*=====================*/ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len); /* in: length of 'to', in bytes; - should be at least 3 * strlen(to) + 1 */ -/********************************************************************** -Makes all characters in a NUL-terminated UTF-8 string lower case. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -UNIV_INTERN -void -innobase_casedn_str( -/*================*/ - char* a); /* in/out: string to put in lower case */ - -/************************************************************************** -Determines the connection character set. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -struct charset_info_st* -innobase_get_charset( -/*=================*/ - /* out: connection character set */ - void* mysql_thd); /* in: MySQL thread handle */ -#endif /* !UNIV_HOTBACKUP */ - /*********************************************************************** Tries to find column names for the index and sets the col field of the index. */ @@ -1948,27 +1898,19 @@ dict_table_get_referenced_constraint( dict_table_t* table, /* in: InnoDB table */ dict_index_t* index) /* in: InnoDB index */ { - dict_foreign_t* foreign = NULL; + dict_foreign_t* foreign; - ut_ad(index && table); + ut_ad(index != NULL); + ut_ad(table != NULL); - /* If the referenced list is empty, nothing to do */ + for (foreign = UT_LIST_GET_FIRST(table->referenced_list); + foreign; + foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { - if (UT_LIST_GET_LEN(table->referenced_list) == 0) { - - return(NULL); - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign) { - if (foreign->referenced_index == index - || foreign->referenced_index == index) { + if (foreign->referenced_index == index) { return(foreign); } - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); } return(NULL); @@ -1987,29 +1929,20 @@ dict_table_get_foreign_constraint( dict_table_t* table, /* in: InnoDB table */ dict_index_t* index) /* in: InnoDB index */ { - dict_foreign_t* foreign = NULL; + dict_foreign_t* foreign; - ut_ad(index && table); + ut_ad(index != NULL); + ut_ad(table != NULL); - /* If list empty then nothgin to do */ + for (foreign = UT_LIST_GET_FIRST(table->foreign_list); + foreign; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - if (UT_LIST_GET_LEN(table->foreign_list) == 0) { - - return(NULL); - } - - /* Check whether this index is defined for a foreign key */ - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign) { if (foreign->foreign_index == index || foreign->referenced_index == index) { return(foreign); } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); } return(NULL); @@ -2179,6 +2112,30 @@ next_rec: return(NULL); } +/************************************************************************** +Find an index that is equivalent to the one passed in and is not marked +for deletion. */ +UNIV_INTERN +dict_index_t* +dict_foreign_find_equiv_index( +/*==========================*/ + /* out: index equivalent to + foreign->foreign_index, or NULL */ + dict_foreign_t* foreign)/* in: foreign key */ +{ + ut_a(foreign != NULL); + + /* Try to find an index which contains the columns as the + first fields and in the right order, and the types are the + same as in foreign->foreign_index */ + + return(dict_foreign_find_index( + foreign->foreign_table, + foreign->foreign_col_names, foreign->n_fields, + foreign->foreign_index, TRUE, /* check types */ + FALSE/* allow columns to be NULL */)); +} + /************************************************************************** Returns an index object by matching on the name and column names and if more than one index matches return the index with the max id */ @@ -2409,7 +2366,7 @@ dict_foreign_add_to_cache( Scans from pointer onwards. Stops if is at the start of a copy of 'string' where characters are compared without case sensitivity, and only outside `` or "" quotes. Stops also at '\0'. */ -UNIV_INTERN +static const char* dict_scan_to( /*=========*/ @@ -2584,7 +2541,7 @@ convert_id: len = 3 * len + 1; *id = dst = mem_heap_alloc(heap, len); - innobase_convert_from_id(dst, str, len); + innobase_convert_from_id(cs, dst, str, len); } else if (!strncmp(str, srv_mysql50_table_name_prefix, sizeof srv_mysql50_table_name_prefix)) { /* This is a pre-5.1 table name @@ -2598,7 +2555,7 @@ convert_id: len = 5 * len + 1; *id = dst = mem_heap_alloc(heap, len); - innobase_convert_from_table_id(dst, str, len); + innobase_convert_from_table_id(cs, dst, str, len); } return(ptr); @@ -4502,41 +4459,6 @@ dict_table_get_index_on_name( } -/************************************************************************** -Find and index that is equivalent to the one passed in. */ -UNIV_INTERN -dict_index_t* -dict_table_find_equivalent_index( -/*=============================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index) /* in: index to match */ -{ - ulint i; - const char** column_names; - dict_index_t* equiv_index; - - if (UT_LIST_GET_LEN(table->foreign_list) == 0) { - - return(NULL); - } - - column_names = mem_alloc(index->n_fields * sizeof *column_names); - - /* Convert the column names to the format & type accepted by the find - index function */ - for (i = 0; i < index->n_fields; i++) { - column_names[i] = index->fields[i].name; - } - - equiv_index = dict_foreign_find_index( - table, column_names, index->n_fields, - index, TRUE, FALSE); - - mem_free((void*) column_names); - - return(equiv_index); -} - /************************************************************************** Replace the index passed in with another equivalent index in the tables foreign key list. */ @@ -4547,30 +4469,18 @@ dict_table_replace_index_in_foreign_list( dict_table_t* table, /* in/out: table */ dict_index_t* index) /* in: index to be replaced */ { - dict_index_t* new_index; + dict_foreign_t* foreign; - new_index = dict_table_find_equivalent_index(table, index); + for (foreign = UT_LIST_GET_FIRST(table->foreign_list); + foreign; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - /* If match found */ - if (new_index) { - dict_foreign_t* foreign; + if (foreign->foreign_index == index) { + dict_index_t* new_index + = dict_foreign_find_equiv_index(foreign); + ut_a(new_index); - ut_a(new_index != index); - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - /* If the list is not empty then this should hold */ - ut_a(foreign); - - /* Iterate over the foreign index list and replace the index - passed in with the new index */ - while (foreign) { - - if (foreign->foreign_index == index) { - foreign->foreign_index = new_index; - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + foreign->foreign_index = new_index; } } } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 5f7786684dd..ecab3adb965 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -304,8 +304,7 @@ static MYSQL_THDVAR_BOOL(table_locks, PLUGIN_VAR_OPCMDARG, /* check_func */ NULL, /* update_func */ NULL, /* default */ TRUE); -static MYSQL_THDVAR_BOOL(strict_mode, - PLUGIN_VAR_NOCMDARG, +static MYSQL_THDVAR_BOOL(strict_mode, PLUGIN_VAR_OPCMDARG, "Use strict mode when evaluating create options.", NULL, NULL, FALSE); @@ -641,6 +640,18 @@ thd_has_edited_nontrans_tables( return((ibool) thd_non_transactional_update((THD*) thd)); } +/********************************************************************** +Returns true if the thread is executing a SELECT statement. */ +extern "C" UNIV_INTERN +ibool +thd_is_select( +/*==========*/ + /* out: true if thd is executing SELECT */ + const void* thd) /* in: thread handle (THD*) */ +{ + return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); +} + /************************************************************************ Obtain the InnoDB transaction of a MySQL thread. */ inline @@ -894,41 +905,35 @@ innobase_get_cset_width( } /********************************************************************** -Converts an identifier to a table name. - -NOTE that the exact prototype of this function has to be in -/innobase/dict/dict0dict.c! */ +Converts an identifier to a table name. */ extern "C" UNIV_INTERN void innobase_convert_from_table_id( /*===========================*/ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len) /* in: length of 'to', in bytes */ + struct charset_info_st* cs, /* in: the 'from' character set */ + char* to, /* out: converted identifier */ + const char* from, /* in: identifier to convert */ + ulint len) /* in: length of 'to', in bytes */ { uint errors; - strconvert(thd_charset(current_thd), from, - &my_charset_filename, to, (uint) len, &errors); + strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors); } /********************************************************************** -Converts an identifier to UTF-8. - -NOTE that the exact prototype of this function has to be in -/innobase/dict/dict0dict.c! */ +Converts an identifier to UTF-8. */ extern "C" UNIV_INTERN void innobase_convert_from_id( /*=====================*/ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len) /* in: length of 'to', in bytes */ + struct charset_info_st* cs, /* in: the 'from' character set */ + char* to, /* out: converted identifier */ + const char* from, /* in: identifier to convert */ + ulint len) /* in: length of 'to', in bytes */ { uint errors; - strconvert(thd_charset(current_thd), from, - system_charset_info, to, (uint) len, &errors); + strconvert(cs, from, system_charset_info, to, (uint) len, &errors); } /********************************************************************** @@ -945,10 +950,7 @@ innobase_strcasecmp( } /********************************************************************** -Makes all characters in a NUL-terminated UTF-8 string lower case. - -NOTE that the exact prototype of this function has to be in -/innobase/dict/dict0dict.c! */ +Makes all characters in a NUL-terminated UTF-8 string lower case. */ extern "C" UNIV_INTERN void innobase_casedn_str( @@ -959,10 +961,7 @@ innobase_casedn_str( } /************************************************************************** -Determines the connection character set. - -NOTE that the exact prototype of this function has to be in -/innobase/dict/dict0dict.c! */ +Determines the connection character set. */ extern "C" UNIV_INTERN struct charset_info_st* innobase_get_charset( @@ -2709,6 +2708,14 @@ ha_innobase::open( UT_NOT_USED(test_if_locked); thd = ha_thd(); + + /* Under some cases MySQL seems to call this function while + holding btr_search_latch. This breaks the latching order as + we acquire dict_sys->mutex below and leads to a deadlock. */ + if (thd != NULL) { + innobase_release_temporary_latches(ht, thd); + } + normalize_table_name(norm_name, name); user_thd = NULL; @@ -6659,9 +6666,21 @@ ha_innobase::info( stats.index_file_length = ((ulonglong) ib_table->stat_sum_of_other_index_sizes) * UNIV_PAGE_SIZE; - stats.delete_length = - fsp_get_available_space_in_free_extents( - ib_table->space) * 1024; + + /* Since fsp_get_available_space_in_free_extents() is + acquiring latches inside InnoDB, we do not call it if we + are asked by MySQL to avoid locking. Another reason to + avoid the call is that it uses quite a lot of CPU. + See Bug#38185. + We do not update delete_length if no locking is requested + so the "old" value can remain. delete_length is initialized + to 0 in the ha_statistics' constructor. */ + if (!(flag & HA_STATUS_NO_LOCK)) { + stats.delete_length = + fsp_get_available_space_in_free_extents( + ib_table->space) * 1024; + } + stats.check_time = 0; if (stats.records == 0) { @@ -7242,13 +7261,20 @@ UNIV_INTERN int ha_innobase::reset() { - if (prebuilt->blob_heap) { - row_mysql_prebuilt_free_blob_heap(prebuilt); - } - reset_template(prebuilt); - return 0; -} + if (prebuilt->blob_heap) { + row_mysql_prebuilt_free_blob_heap(prebuilt); + } + reset_template(prebuilt); + + /* TODO: This should really be reset in reset_template() but for now + it's safer to do it explicitly here. */ + + /* This is a statement level counter. */ + prebuilt->last_value = 0; + + return(0); +} /********************************************************************** MySQL calls this function at the start of each SQL statement inside LOCK diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index ce68508aceb..1f47a189a1a 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -983,15 +983,16 @@ ha_innobase::prepare_drop_index( if (trx->check_foreigns && thd_sql_command(user_thd) != SQLCOM_CREATE_INDEX) { - dict_index_t* index - = dict_table_get_first_index(prebuilt->table); + dict_index_t* index; - do { + for (index = dict_table_get_first_index(prebuilt->table); + index; + index = dict_table_get_next_index(index)) { dict_foreign_t* foreign; if (!index->to_be_dropped) { - goto next_index; + continue; } /* Check if the index is referenced. */ @@ -1019,20 +1020,61 @@ index_needed: ut_a(foreign->foreign_index == index); /* Search for an equivalent index that - the foreign key contraint could use + the foreign key constraint could use if this index were to be deleted. */ - if (!dict_table_find_equivalent_index( - prebuilt->table, - foreign->foreign_index)) { + if (!dict_foreign_find_equiv_index( + foreign)) { goto index_needed; } } } + } + } else if (thd_sql_command(user_thd) == SQLCOM_CREATE_INDEX) { + /* This is a drop of a foreign key constraint index that + was created by MySQL when the constraint was added. MySQL + does this when the user creates an index explicitly which + can be used in place of the automatically generated index. */ -next_index: - index = dict_table_get_next_index(index); - } while (index); + dict_index_t* index; + + for (index = dict_table_get_first_index(prebuilt->table); + index; + index = dict_table_get_next_index(index)) { + dict_foreign_t* foreign; + + if (!index->to_be_dropped) { + + continue; + } + + /* Check if this index references some other table */ + foreign = dict_table_get_foreign_constraint( + prebuilt->table, index); + + if (foreign == NULL) { + + continue; + } + + ut_a(foreign->foreign_index == index); + + /* Search for an equivalent index that the + foreign key constraint could use if this index + were to be deleted. */ + + if (!dict_foreign_find_equiv_index(foreign)) { + trx_set_detailed_error( + trx, + "Index needed in foreign key " + "constraint"); + + trx->error_info = foreign->foreign_index; + + err = HA_ERR_DROP_INDEX_FK; + break; + } + } } func_exit: diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 538f59f07bb..1fce6fe4e45 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -852,9 +852,13 @@ ibuf_set_free_bits_func( /**************************************************************************** Resets the free bits of the page in the ibuf bitmap. This is done in a -separate mini-transaction, hence this operation does not restrict further -work to only ibuf bitmap operations, which would result if the latch to the -bitmap page were kept. */ +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to decrement or reset the bits in the bitmap in a mini-transaction +that is committed before the mini-transaction that affects the free +space. */ UNIV_INTERN void ibuf_reset_free_bits( @@ -867,9 +871,13 @@ ibuf_reset_free_bits( } /************************************************************************** -Updates the free bits for an uncompressed page to reflect the present state. -Does this in the mtr given, which means that the latching order rules virtually -prevent any further operations for this OS thread until mtr is committed. */ +Updates the free bits for an uncompressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ UNIV_INTERN void ibuf_update_free_bits_low( @@ -899,9 +907,13 @@ ibuf_update_free_bits_low( } /************************************************************************** -Updates the free bits for a compressed page to reflect the present state. -Does this in the mtr given, which means that the latching order rules virtually -prevent any further operations for this OS thread until mtr is committed. */ +Updates the free bits for a compressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ UNIV_INTERN void ibuf_update_free_bits_zip( @@ -940,9 +952,12 @@ ibuf_update_free_bits_zip( } /************************************************************************** -Updates the free bits for the two pages to reflect the present state. Does -this in the mtr given, which means that the latching order rules virtually -prevent any further operations until mtr is committed. */ +Updates the free bits for the two pages to reflect the present state. +Does this in the mtr given, which means that the latching order rules +virtually prevent any further operations until mtr is committed. +NOTE: The free bits in the insert buffer bitmap must never exceed the +free space on a page. It is safe to set the free bits in the same +mini-transaction that updated the pages. */ UNIV_INTERN void ibuf_update_free_bits_for_two_pages_low( diff --git a/include/buf0buf.ic b/include/buf0buf.ic index acd085a2c03..6758599eff5 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -444,6 +444,15 @@ buf_page_set_old( { ut_a(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); + ut_ad(bpage->in_LRU_list); + +#ifdef UNIV_LRU_DEBUG + if (UT_LIST_GET_PREV(LRU, bpage) && UT_LIST_GET_NEXT(LRU, bpage) + && UT_LIST_GET_PREV(LRU, bpage)->old + == UT_LIST_GET_NEXT(LRU, bpage)->old) { + ut_a(UT_LIST_GET_PREV(LRU, bpage)->old == old); + } +#endif /* UNIV_LRU_DEBUG */ bpage->old = old; } diff --git a/include/dict0dict.h b/include/dict0dict.h index 2614ce83188..79673807343 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -420,6 +420,16 @@ dict_table_get_on_id_low( /* out: table, NULL if does not exist */ dulint table_id); /* in: table id */ /************************************************************************** +Find an index that is equivalent to the one passed in and is not marked +for deletion. */ +UNIV_INTERN +dict_index_t* +dict_foreign_find_equiv_index( +/*==========================*/ + /* out: index equivalent to + foreign->foreign_index, or NULL */ + dict_foreign_t* foreign);/* in: foreign key */ +/************************************************************************** Returns an index object by matching on the name and column names and if more than index is found return the index with the higher id.*/ UNIV_INTERN @@ -1068,17 +1078,6 @@ dict_tables_have_same_db( const char* name2); /* in: table name in the form dbname '/' tablename */ /************************************************************************* -Scans from pointer onwards. Stops if is at the start of a copy of -'string' where characters are compared without case sensitivity. Stops -also at '\0'. */ - -const char* -dict_scan_to( -/*=========*/ - /* out: scanned up to this */ - const char* ptr, /* in: scan from */ - const char* string);/* in: look for this */ -/************************************************************************* Removes an index from the cache */ UNIV_INTERN void @@ -1096,15 +1095,6 @@ dict_table_get_index_on_name( dict_table_t* table, /* in: table */ const char* name); /* in: name of the index to find */ /************************************************************************** -Find and index that is equivalent to the one passed in and is not marked -for deletion. */ -UNIV_INTERN -dict_index_t* -dict_table_find_equivalent_index( -/*=============================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index); /* in: index to match */ -/************************************************************************** In case there is more than one index with the same name return the index with the min(id). */ UNIV_INTERN diff --git a/include/fut0lst.ic b/include/fut0lst.ic index 83a0e57c519..67081d79373 100644 --- a/include/fut0lst.ic +++ b/include/fut0lst.ic @@ -38,6 +38,8 @@ flst_write_addr( { ut_ad(faddr && mtr); ut_ad(mtr_memo_contains_page(mtr, faddr, MTR_MEMO_PAGE_X_FIX)); + ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); + ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); mlog_write_ulint(faddr + FIL_ADDR_PAGE, addr.page, MLOG_4BYTES, mtr); mlog_write_ulint(faddr + FIL_ADDR_BYTE, addr.boffset, @@ -61,6 +63,8 @@ flst_read_addr( addr.page = mtr_read_ulint(faddr + FIL_ADDR_PAGE, MLOG_4BYTES, mtr); addr.boffset = mtr_read_ulint(faddr + FIL_ADDR_BYTE, MLOG_2BYTES, mtr); + ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); + ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); return(addr); } diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 903be21ecd6..e6a33f3f2d1 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -158,5 +158,53 @@ innobase_strcasecmp( /* out: 0 if a=b, <0 if a1 if a>b */ const char* a, /* in: first string to compare */ const char* b); /* in: second string to compare */ + +/********************************************************************** +Returns true if the thread is executing a SELECT statement. */ + +ibool +thd_is_select( +/*==========*/ + /* out: true if thd is executing SELECT */ + const void* thd); /* in: thread handle (THD*) */ + +/********************************************************************** +Converts an identifier to a table name. */ +UNIV_INTERN +void +innobase_convert_from_table_id( +/*===========================*/ + struct charset_info_st* cs, /* in: the 'from' character set */ + char* to, /* out: converted identifier */ + const char* from, /* in: identifier to convert */ + ulint len); /* in: length of 'to', in bytes; should + be at least 5 * strlen(to) + 1 */ +/********************************************************************** +Converts an identifier to UTF-8. */ +UNIV_INTERN +void +innobase_convert_from_id( +/*=====================*/ + struct charset_info_st* cs, /* in: the 'from' character set */ + char* to, /* out: converted identifier */ + const char* from, /* in: identifier to convert */ + ulint len); /* in: length of 'to', in bytes; should + be at least 3 * strlen(to) + 1 */ +/********************************************************************** +Makes all characters in a NUL-terminated UTF-8 string lower case. */ +UNIV_INTERN +void +innobase_casedn_str( +/*================*/ + char* a); /* in/out: string to put in lower case */ + +/************************************************************************** +Determines the connection character set. */ +struct charset_info_st* +innobase_get_charset( +/*=================*/ + /* out: connection character set */ + void* mysql_thd); /* in: MySQL thread handle */ + #endif #endif diff --git a/include/hash0hash.h b/include/hash0hash.h index 79c6fe46463..662947b2a59 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -90,7 +90,7 @@ do {\ if (cell3333->node == NULL) {\ cell3333->node = DATA;\ } else {\ - struct3333 = cell3333->node;\ + struct3333 = (TYPE*) cell3333->node;\ \ while (struct3333->NAME != NULL) {\ \ diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 09834bf009d..96894f1f038 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -31,6 +31,26 @@ typedef enum { extern ibuf_t* ibuf; +/* The purpose of the insert buffer is to reduce random disk access. +When we wish to insert a record into a non-unique secondary index and +the B-tree leaf page where the record belongs to is not in the buffer +pool, we insert the record into the insert buffer B-tree, indexed by +(space_id, page_no). When the page is eventually read into the buffer +pool, we look up the insert buffer B-tree for any modifications to the +page, and apply these upon the completion of the read operation. This +is called the insert buffer merge. */ + +/* The insert buffer merge must always succeed. To guarantee this, +the insert buffer subsystem keeps track of the free space in pages for +which it can buffer operations. Two bits per page in the insert +buffer bitmap indicate the available space in coarse increments. The +free bits in the insert buffer bitmap must never exceed the free space +on a page. It is safe to decrement or reset the bits in the bitmap in +a mini-transaction that is committed before the mini-transaction that +affects the free space. It is unsafe to increment the bits in a +separately committed mini-transaction, because in crash recovery, the +free bits could momentarily be set too high. */ + /********************************************************************** Creates the insert buffer data structure at a database startup. */ UNIV_INTERN @@ -54,9 +74,13 @@ ibuf_bitmap_page_init( mtr_t* mtr); /* in: mtr */ /**************************************************************************** Resets the free bits of the page in the ibuf bitmap. This is done in a -separate mini-transaction, hence this operation does not restrict further -work to only ibuf bitmap operations, which would result if the latch to the -bitmap page were kept. */ +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to decrement or reset the bits in the bitmap in a mini-transaction +that is committed before the mini-transaction that affects the free +space. */ UNIV_INTERN void ibuf_reset_free_bits( @@ -66,10 +90,17 @@ ibuf_reset_free_bits( non-unique, and page level is 0 */ /**************************************************************************** Updates the free bits of an uncompressed page in the ibuf bitmap if -there is not enough free on the page any more. This is done in a +there is not enough free on the page any more. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. */ +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is +unsafe to increment the bits in a separately committed +mini-transaction, because in crash recovery, the free bits could +momentarily be set too high. It is only safe to use this function for +decrementing the free bits. Should more free space become available, +we must not update the free bits here, because that would break crash +recovery. */ UNIV_INLINE void ibuf_update_free_bits_if_full( @@ -86,9 +117,13 @@ ibuf_update_free_bits_if_full( used in the latest operation, if known, or ULINT_UNDEFINED */ /************************************************************************** -Updates the free bits for an uncompressed page to reflect the present state. -Does this in the mtr given, which means that the latching order rules virtually -prevent any further operations for this OS thread until mtr is committed. */ +Updates the free bits for an uncompressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ UNIV_INTERN void ibuf_update_free_bits_low( @@ -101,9 +136,13 @@ ibuf_update_free_bits_low( performed to the page */ mtr_t* mtr); /* in/out: mtr */ /************************************************************************** -Updates the free bits for a compressed page to reflect the present state. -Does this in the mtr given, which means that the latching order rules virtually -prevent any further operations for this OS thread until mtr is committed. */ +Updates the free bits for a compressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ UNIV_INTERN void ibuf_update_free_bits_zip( @@ -111,9 +150,12 @@ ibuf_update_free_bits_zip( buf_block_t* block, /* in/out: index page */ mtr_t* mtr); /* in/out: mtr */ /************************************************************************** -Updates the free bits for the two pages to reflect the present state. Does -this in the mtr given, which means that the latching order rules virtually -prevent any further operations until mtr is committed. */ +Updates the free bits for the two pages to reflect the present state. +Does this in the mtr given, which means that the latching order rules +virtually prevent any further operations until mtr is committed. +NOTE: The free bits in the insert buffer bitmap must never exceed the +free space on a page. It is safe to set the free bits in the same +mini-transaction that updated the pages. */ UNIV_INTERN void ibuf_update_free_bits_for_two_pages_low( diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 1c52ee799cf..dd76695607b 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -251,10 +251,17 @@ ibuf_index_page_calc_free( /**************************************************************************** Updates the free bits of an uncompressed page in the ibuf bitmap if -there is not enough free on the page any more. This is done in a +there is not enough free on the page any more. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. */ +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is +unsafe to increment the bits in a separately committed +mini-transaction, because in crash recovery, the free bits could +momentarily be set too high. It is only safe to use this function for +decrementing the free bits. Should more free space become available, +we must not update the free bits here, because that would break crash +recovery. */ UNIV_INLINE void ibuf_update_free_bits_if_full( diff --git a/include/page0page.h b/include/page0page.h index 431a0c9c95e..f214758113b 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -244,21 +244,25 @@ page_header_reset_last_insert( uncompressed part will be updated, or NULL */ mtr_t* mtr); /* in: mtr */ /**************************************************************** -Gets the first record on the page. */ +Gets the offset of the first record on the page. */ UNIV_INLINE -rec_t* -page_get_infimum_rec( -/*=================*/ - /* out: the first record in record list */ - page_t* page); /* in: page which must have record(s) */ +ulint +page_get_infimum_offset( +/*====================*/ + /* out: offset of the first record + in record list, relative from page */ + const page_t* page); /* in: page which must have record(s) */ /**************************************************************** -Gets the last record on the page. */ +Gets the offset of the last record on the page. */ UNIV_INLINE -rec_t* -page_get_supremum_rec( -/*==================*/ - /* out: the last record in record list */ - page_t* page); /* in: page which must have record(s) */ +ulint +page_get_supremum_offset( +/*=====================*/ + /* out: offset of the last record in + record list, relative from page */ + const page_t* page); /* in: page which must have record(s) */ +#define page_get_infimum_rec(page) ((page) + page_get_infimum_offset(page)) +#define page_get_supremum_rec(page) ((page) + page_get_supremum_offset(page)) /**************************************************************** Returns the middle record of record list. If there are an even number of records in the list, returns the first record of upper half-list. */ diff --git a/include/page0page.ic b/include/page0page.ic index 8155349409a..5e93656fd94 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -246,38 +246,42 @@ page_is_leaf( } /**************************************************************** -Gets the first record on the page. */ +Gets the offset of the first record on the page. */ UNIV_INLINE -rec_t* -page_get_infimum_rec( -/*=================*/ - /* out: the first record in record list */ - page_t* page) /* in: page which must have record(s) */ +ulint +page_get_infimum_offset( +/*====================*/ + /* out: offset of the first record + in record list, relative from page */ + const page_t* page) /* in: page which must have record(s) */ { ut_ad(page); + ut_ad(!page_offset(page)); if (page_is_comp(page)) { - return(page + PAGE_NEW_INFIMUM); + return(PAGE_NEW_INFIMUM); } else { - return(page + PAGE_OLD_INFIMUM); + return(PAGE_OLD_INFIMUM); } } /**************************************************************** -Gets the last record on the page. */ +Gets the offset of the last record on the page. */ UNIV_INLINE -rec_t* -page_get_supremum_rec( -/*==================*/ - /* out: the last record in record list */ - page_t* page) /* in: page which must have record(s) */ +ulint +page_get_supremum_offset( +/*=====================*/ + /* out: offset of the last record in + record list, relative from page */ + const page_t* page) /* in: page which must have record(s) */ { ut_ad(page); + ut_ad(!page_offset(page)); if (page_is_comp(page)) { - return(page + PAGE_NEW_SUPREMUM); + return(PAGE_NEW_SUPREMUM); } else { - return(page + PAGE_OLD_SUPREMUM); + return(PAGE_OLD_SUPREMUM); } } diff --git a/include/page0zip.h b/include/page0zip.h index b8c7208f137..1ed9a190565 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -48,6 +48,8 @@ page_zip_rec_needs_ext( can be stored locally on the page */ ulint rec_size, /* in: length of the record in bytes */ ulint comp, /* in: nonzero=compact format */ + ulint n_fields, /* in: number of fields in the record; + ignored if zip_size == 0 */ ulint zip_size) /* in: compressed page size in bytes, or 0 */ __attribute__((const)); diff --git a/include/page0zip.ic b/include/page0zip.ic index c62d358da77..7f4a8782bfd 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -148,10 +148,13 @@ page_zip_rec_needs_ext( can be stored locally on the page */ ulint rec_size, /* in: length of the record in bytes */ ulint comp, /* in: nonzero=compact format */ + ulint n_fields, /* in: number of fields in the record; + ignored if zip_size == 0 */ ulint zip_size) /* in: compressed page size in bytes, or 0 */ { ut_ad(rec_size > comp ? REC_N_NEW_EXTRA_BYTES : REC_N_OLD_EXTRA_BYTES); ut_ad(ut_is_2pow(zip_size)); + ut_ad(comp || !zip_size); #if UNIV_PAGE_SIZE > REC_MAX_DATA_SIZE if (UNIV_UNLIKELY(rec_size >= REC_MAX_DATA_SIZE)) { @@ -159,21 +162,18 @@ page_zip_rec_needs_ext( } #endif - if (UNIV_UNLIKELY(!comp)) { - ut_ad(!zip_size); - return(rec_size >= page_get_free_space_of_empty(FALSE) / 2); + if (UNIV_UNLIKELY(zip_size)) { + ut_ad(comp); + /* On a compressed page, there is a two-byte entry in + the dense page directory for every record. But there + is no record header. There should be enough room for + one record on an empty leaf page. Subtract 1 byte for + the encoded heap number. */ + return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2) + >= (page_zip_empty_size(n_fields, zip_size) - 1)); } - /* If zip_size != 0, the record should fit on the compressed page. - If not, the right-hand-side of the comparison will overwrap - and the condition will not hold. Thus, we do not need to test - for zip_size != 0. We subtract the size of the page header and - assume that compressing the index information takes 50 bytes. */ - if (rec_size >= zip_size - (PAGE_DATA + 50)) { - return(TRUE); - } - - return(rec_size >= page_get_free_space_of_empty(TRUE) / 2); + return(rec_size >= page_get_free_space_of_empty(comp) / 2); } #ifdef UNIV_DEBUG @@ -355,15 +355,7 @@ page_zip_write_header( { ulint pos; -#if 0 - /* In btr_cur_pessimistic_insert(), we allocate temp_page - from the buffer pool to see if a record fits on a compressed - page by itself. The buf_block_align() call in - buf_frame_get_page_zip() only works for file pages, not - temporarily allocated blocks. Thus, we must unfortunately - disable the following assertion. */ ut_ad(buf_frame_get_page_zip(str) == page_zip); -#endif ut_ad(page_zip_simple_validate(page_zip)); UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); diff --git a/include/univ.i b/include/univ.i index bcb096b8995..c3edc20e4de 100644 --- a/include/univ.i +++ b/include/univ.i @@ -137,6 +137,7 @@ command. Not tested on Windows. */ #define UNIV_DEBUG_FILE_ACCESSES /* Debug .ibd file access (field file_page_was_freed in buf_page_t) */ +#define UNIV_LRU_DEBUG /* debug the buffer pool LRU */ #define UNIV_HASH_DEBUG /* debug HASH_ macros */ #define UNIV_LIST_DEBUG /* debug UT_LIST_ macros */ #define UNIV_MEM_DEBUG /* detect memory leaks etc */ diff --git a/mysql-test/innodb-analyze.result b/mysql-test/innodb-analyze.result new file mode 100644 index 00000000000..2aee004a2d6 --- /dev/null +++ b/mysql-test/innodb-analyze.result @@ -0,0 +1,2 @@ +Variable_name Value +innodb_stats_sample_pages 1 diff --git a/mysql-test/innodb-analyze.test b/mysql-test/innodb-analyze.test new file mode 100644 index 00000000000..d5d6d698170 --- /dev/null +++ b/mysql-test/innodb-analyze.test @@ -0,0 +1,63 @@ +# +# Test that mysqld does not crash when running ANALYZE TABLE with +# different values of the parameter innodb_stats_sample_pages. +# + +-- source include/have_innodb.inc + +# we care only that the following SQL commands do not produce errors +# and do not crash the server +-- disable_query_log +-- disable_result_log +-- enable_warnings + +SET GLOBAL innodb_stats_sample_pages=0; + +# check that the value has been adjusted to 1 +-- enable_result_log +SHOW VARIABLES LIKE 'innodb_stats_sample_pages'; +-- disable_result_log + +CREATE TABLE innodb_analyze ( + a INT, + b INT, + KEY(a), + KEY(b,a) +) ENGINE=InnoDB; + +# test with empty table + +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=2; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=4; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=8; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=16; +ANALYZE TABLE innodb_analyze; + +INSERT INTO innodb_analyze VALUES +(1,1), (1,1), (1,2), (1,3), (1,4), (1,5), +(8,1), (8,8), (8,2), (7,1), (1,4), (3,5); + +SET GLOBAL innodb_stats_sample_pages=1; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=2; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=4; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=8; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=16; +ANALYZE TABLE innodb_analyze; + +DROP TABLE innodb_analyze; diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index e000f910772..70cdc67f77e 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -169,3 +169,30 @@ t1 CREATE TABLE `t1` ( PRIMARY KEY (`c1`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1); +INSERT INTO t1 VALUES (NULL,8); +SELECT * FROM t1; +c1 c2 +2 1 +3 8 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1), (NULL, 8); +INSERT INTO t1 VALUES (NULL,9); +SELECT * FROM t1; +c1 c2 +2 1 +3 8 +5 9 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index aa464e42627..1c97364199b 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -139,3 +139,24 @@ SELECT c1 FROM t1; SHOW CREATE TABLE t1; DROP TABLE t1; +# +# Bug 38839 +# Reset the last value generated at end of statement +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1); +INSERT INTO t1 VALUES (NULL,8); +SELECT * FROM t1; +DROP TABLE t1; +# Bug 38839 -- same as above but for multi value insert +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1), (NULL, 8); +INSERT INTO t1 VALUES (NULL,9); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 738c20af388..807b337a720 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -960,3 +960,167 @@ t1 CREATE TABLE `t1` ( KEY `t1st` (`s`(1),`t`(1)) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 drop table t1; +SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; +SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; +CREATE TABLE t1( +c1 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3) REFERENCES t1(c1); +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; +INSERT INTO t2 VALUES(0,0,0); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +INSERT INTO t1 VALUES(0); +INSERT INTO t2 VALUES(0,0,0); +DROP TABLE t2; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1,c2,c3) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3) REFERENCES t1(c1); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`,`c2`,`c3`), + KEY `fk_t2_ca` (`c3`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`,`c2`,`c3`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +INSERT INTO t2 VALUES(0,0,1); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +INSERT INTO t2 VALUES(0,0,0); +DELETE FROM t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +DELETE FROM t2; +DROP TABLE t2; +DROP TABLE t1; +CREATE TABLE t1( +c1 BIGINT(12) NOT NULL, +c2 INT(4) NOT NULL, +PRIMARY KEY (c2,c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(12) NOT NULL, + `c2` bigint(12) NOT NULL, + PRIMARY KEY (`c2`,`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +DROP TABLE t2; +DROP TABLE t1; diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index aeac399640b..81354dfd4c1 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -387,3 +387,114 @@ create index t1ut on t1 (u(1), t(1)); create index t1st on t1 (s(1), t(1)); show create table t1; drop table t1; + +# +# Test to check whether CREATE INDEX handles implicit foreign key +# constraint modifications (Issue #70, Bug #38786) +# +SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; +SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; + +CREATE TABLE t1( + c1 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3) REFERENCES t1(c1); + +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; + +SHOW CREATE TABLE t2; + +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); + +SHOW CREATE TABLE t2; + +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; + +--error ER_NO_REFERENCED_ROW_2 +INSERT INTO t2 VALUES(0,0,0); +INSERT INTO t1 VALUES(0); +INSERT INTO t2 VALUES(0,0,0); + +DROP TABLE t2; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1,c2,c3) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3) REFERENCES t1(c1); + +SHOW CREATE TABLE t2; + +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); + +SHOW CREATE TABLE t2; +--error ER_NO_REFERENCED_ROW_2 +INSERT INTO t2 VALUES(0,0,1); +INSERT INTO t2 VALUES(0,0,0); +--error ER_ROW_IS_REFERENCED_2 +DELETE FROM t1; +DELETE FROM t2; + +DROP TABLE t2; +DROP TABLE t1; + +CREATE TABLE t1( + c1 BIGINT(12) NOT NULL, + c2 INT(4) NOT NULL, + PRIMARY KEY (c2,c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +--replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); +--replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +--replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; +--replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +SHOW CREATE TABLE t1; +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; + +DROP TABLE t2; +DROP TABLE t1; diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index 59613fda67c..9893c583c6d 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -174,6 +174,11 @@ set global innodb_file_format=``; ERROR HY000: Incorrect arguments to SET set global innodb_file_per_table = on; set global innodb_file_format = `1`; +set innodb_strict_mode = off; +create table t1 (id int primary key) engine = innodb key_block_size = 0; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. +drop table t1; set innodb_strict_mode = on; create table t1 (id int primary key) engine = innodb key_block_size = 0; ERROR HY000: Can't create table 'test.t1' (errno: 1478) @@ -376,7 +381,6 @@ test t9 Redundant drop table t8, t9; set global innodb_file_per_table=0; set global innodb_file_format=Antelope; -set innodb_strict_mode=0; set global innodb_file_per_table=on; set global innodb_file_format=`Barracuda`; set global innodb_file_format_check=`Antelope`; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index 95984ab8ca9..25f7e6a5f02 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -2,7 +2,6 @@ let $per_table=`select @@innodb_file_per_table`; let $format=`select @@innodb_file_format`; -let $mode=`select @@innodb_strict_mode`; set global innodb_file_per_table=off; set global innodb_file_format=`0`; @@ -152,6 +151,10 @@ set global innodb_file_format=``; set global innodb_file_per_table = on; set global innodb_file_format = `1`; +set innodb_strict_mode = off; +create table t1 (id int primary key) engine = innodb key_block_size = 0; +drop table t1; + #set strict_mode set innodb_strict_mode = on; @@ -294,7 +297,6 @@ drop table t8, t9; eval set global innodb_file_per_table=$per_table; eval set global innodb_file_format=$format; -eval set innodb_strict_mode=$mode; # # Testing of tablespace tagging # diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index a4d60ed7f7b..7e235980a0a 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -166,6 +166,7 @@ level id parent_id 1 1007 101 optimize table t1; Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK show keys from t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment @@ -190,6 +191,7 @@ create table t1 (a int) engine=innodb; insert into t1 values (1), (2); optimize table t1; Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK delete from t1 where a = 1; select * from t1; @@ -738,6 +740,7 @@ world 2 hello 1 optimize table t1; Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK show keys from t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment @@ -3111,6 +3114,7 @@ BEGIN; INSERT INTO t1 VALUES (1); OPTIMIZE TABLE t1; Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK DROP TABLE t1; CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; diff --git a/mysql-test/innodb_bug36172.test b/mysql-test/innodb_bug36172.test index 8ece1c34a1c..666d4a2f4b7 100644 --- a/mysql-test/innodb_bug36172.test +++ b/mysql-test/innodb_bug36172.test @@ -18,7 +18,7 @@ SET GLOBAL innodb_file_format='Barracuda'; SET GLOBAL innodb_file_per_table=on; DROP TABLE IF EXISTS `table0`; -CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; +CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2; insert ignore into `table0` set `col23` = 7887371.5084383683, `col24` = 4293854615.6906948000, `col25` = 'vitalist', `col26` = 'widespread', `col27` = '3570490', `col28` = 'habitual', `col30` = -5471, `col31` = 4286985783.6771750000, `col32` = 6354540.9826654866, `col33` = 'defoliation', `col34` = 'logarithms', `col35` = 'tegument\'s', `col36` = 'scouting\'s', `col37` = 'intermittency', `col38` = 'elongates', `col39` = 'prophecies', `col40` = '20560103035939', `col41` = 4292809130.0544143000, `col42` = 22057, `col43` = 'Hess\'s', `col44` = 'bandstand', `col45` = 'phenylketonuria', `col46` = 6338767.4018677324, `col47` = 5310247, `col48` = '12592418', `col49` = 'churchman\'s', `col50` = '32226125', `col51` = -58, `col52` = -6207968, `col53` = 1244839.3255104220, `col54` = 'robotized', `col55` = 'monotonous', `col56` = -26909, `col58` = '20720107023550', `col59` = 'suggestiveness\'s', `col60` = 'gemology', `col61` = 4287800670.2229986000, `col62` = '1944', `col63` = -16827, `col64` = '20700107212324', `col65` = 'Nicolais', `col66` = 'apteryx', `col67` = 6935317, `col68` = 'stroganoff', `col70` = 3316430, `col71` = '3277608', `col72` = '19300511045918', `col73` = '20421201003327', `col74` = 'attenuant', `col75` = '15173', `col76` = 'upstroke\'s', `col77` = 8118987, `col78` = 6791516.2735374002, `col79` = '20780701144624', `col80` = '2134', `col81` = 4290682351.3127537000, `col82` = 'unexplainably', `col83` = 'Storm', `col84` = 'Greyso\'s', `col85` = 4289119212.4306774000, `col86` = 7617575.8796655172, `col87` = -6325335, `col88` = 'fondue\'s', `col89` = '40608940', `col90` = 1659421.8093508712, `col91` = 8346904.6584368423, `col92` = 'reloads', `col93` = '5188366'; CHECK TABLE table0 EXTENDED; INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; diff --git a/page/page0zip.c b/page/page0zip.c index 75c60a25b7b..96ec9ec9bab 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -3203,15 +3203,7 @@ page_zip_write_rec( ulint heap_no; byte* slot; -#if 0 - /* In btr_cur_pessimistic_insert(), we allocate temp_page - from the buffer pool to see if a record fits on a compressed - page by itself. The buf_block_align() call in - buf_frame_get_page_zip() only works for file pages, not - temporarily allocated blocks. Thus, we must unfortunately - disable the following assertion. */ ut_ad(buf_frame_get_page_zip(rec) == page_zip); -#endif ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) > PAGE_DATA + page_zip_dir_size(page_zip)); @@ -4263,7 +4255,7 @@ page_zip_reorganize( /* Recreate the page: note that global data on page (possible segment headers, next page-field, etc.) is preserved intact */ - page_create(block, mtr, dict_table_is_comp(index->table)); + page_create(block, mtr, TRUE); block->check_index_page_at_flush = TRUE; /* Copy the records from the temporary space to the recreated page; diff --git a/row/row0merge.c b/row/row0merge.c index 885eb9cb1fb..adb38da714e 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -2181,14 +2181,6 @@ row_merge_create_index( ut_a(index); - /* Create the index id, as it will be required when we build - the index. We assign the id here because we want to write an - UNDO record before we insert the entry into SYS_INDEXES. */ - ut_a(ut_dulint_is_zero(index->id)); - - index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); - index->table = table; - for (i = 0; i < n_fields; i++) { merge_index_field_t* ifield = &index_def->fields[i]; @@ -2196,8 +2188,7 @@ row_merge_create_index( ifield->prefix_len); } - /* Add the index to SYS_INDEXES, this will use the prototype - to create an entry in SYS_INDEXES. */ + /* Add the index to SYS_INDEXES, using the index prototype. */ err = row_merge_create_index_graph(trx, table, index); if (err == DB_SUCCESS) { diff --git a/row/row0sel.c b/row/row0sel.c index 0ed63a4986b..9fe23daf608 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -32,6 +32,7 @@ Created 12/19/1997 Heikki Tuuri #include "row0mysql.h" #include "read0read.h" #include "buf0lru.h" +#include "ha_prototypes.h" /* Maximum number of rows to prefetch; MySQL interface has another parameter */ #define SEL_MAX_N_PREFETCH 16 @@ -3699,19 +3700,11 @@ shortcut_fails_too_big_rec: if (trx->isolation_level <= TRX_ISO_READ_COMMITTED && prebuilt->select_lock_type != LOCK_NONE && trx->mysql_thd != NULL - && trx->mysql_query_str != NULL - && *trx->mysql_query_str != NULL) { + && thd_is_select(trx->mysql_thd)) { + /* It is a plain locking SELECT and the isolation + level is low: do not lock gaps */ - /* Scan the MySQL query string; check if SELECT is the first - word there */ - - if (dict_str_starts_with_keyword( - trx->mysql_thd, *trx->mysql_query_str, "SELECT")) { - /* It is a plain locking SELECT and the isolation - level is low: do not lock gaps */ - - set_also_gap_locks = FALSE; - } + set_also_gap_locks = FALSE; } /* Note that if the search mode was GE or G, then the cursor diff --git a/srv/srv0start.c b/srv/srv0start.c index 7746e132a60..1e8c10c13bb 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1470,7 +1470,7 @@ innobase_start_or_create_for_mysql(void) ensure that we return the system to a state where normal recovery is guaranteed to work. We do this by invalidating the buffer cache, this will force the - reread of the page and restoration to it's last known + reread of the page and restoration to its last known consistent state, this is REQUIRED for the recovery process to work. */ err = trx_sys_file_format_max_check( From 3283c6e9b4e94f7e47e70ca9730de1912d1db0ca Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Sep 2008 20:03:33 +0000 Subject: [PATCH 023/400] branches/innodb+: srv0srv.c: Revert a change from branches/zip. The variable srv_stats_sample_pages was declared ib_uint64_t in srv0srv.c and unsigned long long in srv0srv.h. --- srv/srv0srv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 91ed8090170..22224d5b622 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -305,7 +305,7 @@ UNIV_INTERN ibool srv_stats_on_metadata = TRUE; /* When estimating number of different key values in an index, sample this many index pages */ -UNIV_INTERN ib_uint64_t srv_stats_sample_pages = 8; +UNIV_INTERN unsigned long long srv_stats_sample_pages = 8; UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; UNIV_INTERN ibool srv_use_checksums = TRUE; From ab98a101c1bd78207a59971e51f8384e83ccc0f5 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Sep 2008 06:56:32 +0000 Subject: [PATCH 024/400] branches/innodb+: btr_page_get_father_node_ptr(): Add TODO comments about accessing a freed record on a compressed page. --- btr/btr0btr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 4b2749c21f4..2ca6826eea0 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -609,6 +609,9 @@ btr_page_get_father_node_ptr( The first record from the free list can be used to find the father node. */ user_rec = page_header_get_ptr(page, PAGE_FREE); + /* TODO: make sure that delete buffering never zeroes out + the data bytes. TODO: make sure that empty pages are + never recompressed. */ ut_a(user_rec); } else { user_rec = btr_cur_get_rec(cursor); From 7dc3e545c38554aa0912febfdc22f0f5ab23ed75 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Sep 2008 07:01:13 +0000 Subject: [PATCH 025/400] branches/innodb+: Revert some changes that make the code differ from branches/zip. btr_cur_optimistic_delete(): Split a too long line in the way it is split in branches/zip. buf_page_get_gen(): Add missing space in the function comment. buf_print_io(): Restoer a removed space to the printout. univ.i: Remove C++-style (or C99-style) comments. buf0buf.h: Undo the white-space changes to the wrapper macros of buf_page_get_gen(). ibuf_update_free_bits_low(): Revert the changes. Restore the assertion that this function must not be invoked on compressed pages. The function ibuf_update_free_bits_zip() is for compressed pages. ibuf_insert_to_index_page(): Undo a white-space change. --- btr/btr0cur.c | 3 ++- buf/buf0buf.c | 4 ++-- ibuf/ibuf0ibuf.c | 8 +++++--- include/buf0buf.h | 12 +++++------- include/univ.i | 3 --- 5 files changed, 14 insertions(+), 16 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 334c75e696a..7c970b2dcb0 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -2897,7 +2897,8 @@ btr_cur_optimistic_delete( ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ - if (dict_index_is_clust(cursor->index) || !page_is_leaf(page)) { + if (dict_index_is_clust(cursor->index) + || !page_is_leaf(page)) { /* The insert buffer does not handle inserts to clustered indexes or to non-leaf pages of secondary index B-trees. */ diff --git a/buf/buf0buf.c b/buf/buf0buf.c index de01a19ce2b..cf7d32bd8c3 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1862,7 +1862,7 @@ buf_page_get_gen( buf_block_t* guess, /* in: guessed block or NULL */ ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, BUF_GET_NO_LATCH, BUF_GET_NOWAIT or - BUF_GET_IF_IN_POOL_OR_WATCH*/ + BUF_GET_IF_IN_POOL_OR_WATCH */ const char* file, /* in: file name */ ulint line, /* in: line where called */ mtr_t* mtr) /* in: mini-transaction */ @@ -3715,7 +3715,7 @@ buf_print_io( fprintf(file, "Buffer pool size %lu\n" - "Free buffers %lu\n" + "Free buffers %lu\n" "Database pages %lu\n" "Modified db pages %lu\n" "Pending reads %lu\n" diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 1fce6fe4e45..097c5a83381 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -890,8 +890,10 @@ ibuf_update_free_bits_low( performed to the page */ mtr_t* mtr) /* in/out: mtr */ { - ulint after; ulint before; + ulint after; + + ut_a(!buf_block_get_page_zip(block)); before = ibuf_index_page_calc_free_bits(0, max_ins_size); @@ -3306,8 +3308,8 @@ dump: return; } - low_match = page_cur_search( - block, index, entry, PAGE_CUR_LE, &page_cur); + low_match = page_cur_search(block, index, entry, + PAGE_CUR_LE, &page_cur); if (low_match == dtuple_get_n_fields(entry)) { buf_block_t* block; diff --git a/include/buf0buf.h b/include/buf0buf.h index 2e3c631aceb..f99e352ee6a 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -172,22 +172,20 @@ read the contents of the page unless you know it is safe. Do not modify the contents of the page! We have separated this case, because it is error-prone programming not to set a latch, and it should be used with care. */ -#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ +#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ SP, ZS, OF, RW_NO_LATCH, NULL,\ - BUF_GET_NO_LATCH, \ - __FILE__, __LINE__, MTR) + BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) /****************************************************************** NOTE! The following macros should be used instead of buf_page_get_gen, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ #define buf_page_get_nowait(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ SP, ZS, OF, LA, NULL,\ - BUF_GET_NOWAIT, \ - __FILE__, __LINE__, MTR) + BUF_GET_NOWAIT, __FILE__, __LINE__, MTR) /****************************************************************** NOTE! The following macros should be used instead of buf_page_optimistic_get_func, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ -#define buf_page_optimistic_get(LA, BL, MC, MTR) \ +#define buf_page_optimistic_get(LA, BL, MC, MTR) \ buf_page_optimistic_get_func(LA, BL, MC, __FILE__, __LINE__, MTR) /************************************************************************ This is the general function used to get optimistic access to a database @@ -268,7 +266,7 @@ buf_page_get_gen( buf_block_t* guess, /* in: guessed block or NULL */ ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, BUF_GET_NO_LATCH, BUF_GET_NOWAIT or - BUF_GET_IF_IN_POOL_WATCH*/ + BUF_GET_IF_IN_POOL_WATCH */ const char* file, /* in: file name */ ulint line, /* in: line where called */ mtr_t* mtr); /* in: mini-transaction */ diff --git a/include/univ.i b/include/univ.i index c3edc20e4de..6e89a427ff9 100644 --- a/include/univ.i +++ b/include/univ.i @@ -160,9 +160,6 @@ operations (very slow); also UNIV_DEBUG must be defined */ for compressed pages */ #endif -//#define UNIV_DEBUG -//#define UNIV_SYNC_DEBUG -//#define UNIV_IBUF_DEBUG #define UNIV_BTR_DEBUG /* check B-tree links */ #define UNIV_LIGHT_MEM_DEBUG /* light memory debugging */ From f50e5536adfe44b2ff52781fd727d0435ba4d8f7 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Sep 2008 08:44:32 +0000 Subject: [PATCH 026/400] branches/innodb+: Add missing UNIV_INTERN linkage specifiers. --- ibuf/ibuf0ibuf.c | 2 +- include/ibuf0ibuf.h | 2 +- include/ut0rbt.h | 40 ++++++++++++++++++++-------------------- ut/ut0rbt.c | 41 ++++++++++++++++++++--------------------- 4 files changed, 42 insertions(+), 43 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 097c5a83381..2bf6c83da00 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1229,7 +1229,7 @@ ibuf_rec_get_op_type( /******************************************************************** Read the first two bytes from a record's fourth field (counter field in new records; something else in older records). */ - +UNIV_INTERN ulint ibuf_rec_get_fake_counter( /*======================*/ diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 96894f1f038..7791ea18978 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -334,7 +334,7 @@ ibuf_print( /******************************************************************** Read the first two bytes from a record's fourth field (counter field in new records; something else in older records). */ - +UNIV_INTERN ulint ibuf_rec_get_fake_counter( /*======================*/ diff --git a/include/ut0rbt.h b/include/ut0rbt.h index ef9cf75ebc4..fae60da696c 100644 --- a/include/ut0rbt.h +++ b/include/ut0rbt.h @@ -95,14 +95,14 @@ struct ib_rbt_bound_struct { /************************************************************************ Free an instance of a red black tree */ -extern +UNIV_INTERN void rbt_free( /*=====*/ ib_rbt_t* tree); /* in: rb tree to free */ /************************************************************************ Create an instance of a red black tree */ -extern +UNIV_INTERN ib_rbt_t* rbt_create( /*=======*/ @@ -111,7 +111,7 @@ rbt_create( ib_rbt_compare compare); /* in: comparator */ /************************************************************************ Delete a node from the red black tree, identified by key */ -extern +UNIV_INTERN ibool rbt_delete( /*=======*/ @@ -121,7 +121,7 @@ rbt_delete( /************************************************************************ Remove a node from the red black tree, NOTE: This function will not delete the node instance, THAT IS THE CALLERS RESPONSIBILITY.*/ -extern +UNIV_INTERN ib_rbt_node_t* rbt_remove_node( /*============*/ @@ -136,7 +136,7 @@ rbt_remove_node( /************************************************************************ Return a node from the red black tree, identified by key, NULL if not found */ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_lookup( /*=======*/ @@ -146,7 +146,7 @@ rbt_lookup( const void* key); /* in: key to lookup */ /************************************************************************ Add data to the red black tree, identified by key (no dups yet!)*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_insert( /*=======*/ @@ -157,7 +157,7 @@ rbt_insert( copied to the node.*/ /************************************************************************ Add a new node to the tree, useful for data that is pre-sorted.*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_add_node( /*=========*/ @@ -168,7 +168,7 @@ rbt_add_node( to the node */ /************************************************************************ Return the left most data node in the tree*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_first( /*======*/ @@ -176,7 +176,7 @@ rbt_first( const ib_rbt_t* tree); /* in: rb tree */ /************************************************************************ Return the right most data node in the tree*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_last( /*=====*/ @@ -184,7 +184,7 @@ rbt_last( const ib_rbt_t* tree); /* in: rb tree */ /************************************************************************ Return the next node from current.*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_next( /*=====*/ @@ -195,7 +195,7 @@ rbt_next( current); /************************************************************************ Return the prev node from current.*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_prev( /*=====*/ @@ -206,7 +206,7 @@ rbt_prev( current); /************************************************************************ Find the node that has the lowest key that is >= key.*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_lower_bound( /*============*/ @@ -217,7 +217,7 @@ rbt_lower_bound( const void* key); /* in: key to search */ /************************************************************************ Find the node that has the greatest key that is <= key.*/ -extern +UNIV_INTERN const ib_rbt_node_t* rbt_upper_bound( /*============*/ @@ -230,7 +230,7 @@ rbt_upper_bound( Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the parent node for the possibly new key otherwise the matching node.*/ -extern +UNIV_INTERN int rbt_search( /*=======*/ @@ -243,7 +243,7 @@ rbt_search( Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the parent node for the possibly new key otherwise the matching node.*/ -extern +UNIV_INTERN int rbt_search_cmp( /*===========*/ @@ -255,14 +255,14 @@ rbt_search_cmp( ib_rbt_compare compare); /* in: comparator */ /************************************************************************ Clear the tree, deletes (and free's) all the nodes.*/ -extern +UNIV_INTERN void rbt_clear( /*======*/ ib_rbt_t* tree); /* in: rb tree */ /************************************************************************ Merge the node from dst into src. Return the number of nodes merged.*/ -extern +UNIV_INTERN ulint rbt_merge_uniq( /*===========*/ @@ -275,7 +275,7 @@ Delete the nodes from src after copying node to dst. As a side effect the duplicates will be left untouched in the src, since we don't support duplicates (yet). NOTE: src and dst must be similar, the function doesn't check for this condition (yet).*/ -extern +UNIV_INTERN ulint rbt_merge_uniq_destructive( /*=======================*/ @@ -285,7 +285,7 @@ rbt_merge_uniq_destructive( /************************************************************************ Verify the integrity of the RB tree. For debugging. 0 failure else height of tree (in count of black nodes).*/ -extern +UNIV_INTERN ibool rbt_validate( /*=========*/ @@ -294,7 +294,7 @@ rbt_validate( const ib_rbt_t* tree); /* in: tree to validate */ /************************************************************************ Iterate over the tree in depth first order.*/ -extern +UNIV_INTERN void rbt_print( /*======*/ diff --git a/ut/ut0rbt.c b/ut/ut0rbt.c index dc34d9efdb3..ce3ca5dc82f 100644 --- a/ut/ut0rbt.c +++ b/ut/ut0rbt.c @@ -726,7 +726,7 @@ rbt_free_node( /************************************************************************ Free all the nodes and free the tree. */ - +UNIV_INTERN void rbt_free( /*=====*/ @@ -739,7 +739,7 @@ rbt_free( /************************************************************************ Create an instance of a red black tree. */ - +UNIV_INTERN ib_rbt_t* rbt_create( /*=======*/ @@ -777,7 +777,7 @@ rbt_create( /************************************************************************ Generic insert of a value in the rb tree. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_insert( /*=======*/ @@ -806,7 +806,7 @@ rbt_insert( /************************************************************************ Add a new node to the tree, useful for data that is pre-sorted. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_add_node( /*=========*/ @@ -844,7 +844,7 @@ rbt_add_node( /************************************************************************ Find a matching node in the rb tree. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_lookup( /*=======*/ @@ -873,7 +873,7 @@ rbt_lookup( /************************************************************************ Delete a node indentified by key. */ - +UNIV_INTERN ibool rbt_delete( /*=======*/ @@ -898,7 +898,7 @@ rbt_delete( /************************************************************************ Remove a node from the rb tree, the node is not free'd, that is the callers responsibility. */ - +UNIV_INTERN ib_rbt_node_t* rbt_remove_node( /*============*/ @@ -922,7 +922,7 @@ rbt_remove_node( /************************************************************************ Find the node that has the lowest key that is >= key. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_lower_bound( /*============*/ @@ -958,7 +958,7 @@ rbt_lower_bound( /************************************************************************ Find the node that has the greatest key that is <= key. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_upper_bound( /*============*/ @@ -994,7 +994,7 @@ rbt_upper_bound( /************************************************************************ Find the node that has the greatest key that is <= key. */ - +UNIV_INTERN int rbt_search( /*=======*/ @@ -1029,7 +1029,7 @@ rbt_search( /************************************************************************ Find the node that has the greatest key that is <= key. But use the supplied comparison function. */ - +UNIV_INTERN int rbt_search_cmp( /*===========*/ @@ -1064,7 +1064,7 @@ rbt_search_cmp( /************************************************************************ Return the left most node in the tree. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_first( /*======*/ @@ -1084,7 +1084,7 @@ rbt_first( /************************************************************************ Return the right most node in the tree. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_last( /*=====*/ @@ -1105,7 +1105,7 @@ rbt_last( /************************************************************************ Return the next node. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_next( /*=====*/ @@ -1119,7 +1119,7 @@ rbt_next( /************************************************************************ Return the previous node. */ - +UNIV_INTERN const ib_rbt_node_t* rbt_prev( /*=====*/ @@ -1133,7 +1133,7 @@ rbt_prev( /************************************************************************ Reset the tree. Delete all the nodes. */ - +UNIV_INTERN void rbt_clear( /*======*/ @@ -1147,7 +1147,7 @@ rbt_clear( /************************************************************************ Merge the node from dst into src. Return the number of nodes merged. */ - +UNIV_INTERN ulint rbt_merge_uniq( /*===========*/ @@ -1178,7 +1178,7 @@ rbt_merge_uniq( Merge the node from dst into src. Return the number of nodes merged. Delete the nodes from src after copying node to dst. As a side effect the duplicates will be left untouched in the src. */ - +UNIV_INTERN ulint rbt_merge_uniq_destructive( /*=======================*/ @@ -1225,7 +1225,7 @@ rbt_merge_uniq_destructive( /************************************************************************ Check that every path from the root to the leaves has the same count and the tree nodes are in order. */ - +UNIV_INTERN ibool rbt_validate( /*=========*/ @@ -1241,7 +1241,7 @@ rbt_validate( /************************************************************************ Iterate over the tree in depth first order. */ - +UNIV_INTERN void rbt_print( /*======*/ @@ -1250,4 +1250,3 @@ rbt_print( { rbt_print_subtree(tree, ROOT(tree), print); } - From fd3df4d0a45655c31c71397fb038abe48c0b4963 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Sep 2008 08:56:13 +0000 Subject: [PATCH 027/400] branches/innodb+: Undo the partial introduction of UNIV_UNUSED, to reduce differences from branches/zip. The __attribute__((unused)) should work on all platforms. When compiled with something else than GCC, MySQL supposedly does #define __attribute__(x) /* empty */ so that the attributes will be ignored. --- ibuf/ibuf0ibuf.c | 4 ++-- include/btr0btr.ic | 6 +++--- include/univ.i | 3 --- 3 files changed, 5 insertions(+), 8 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 2bf6c83da00..9048a2d2775 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -558,7 +558,7 @@ ibuf_parse_bitmap_init( /*===================*/ /* out: end of log record or NULL */ byte* ptr, /* in: buffer */ - byte* end_ptr UNIV_UNUSED, /* in: buffer end */ + byte* end_ptr __attribute__((unused)), /* in: buffer end */ buf_block_t* block, /* in: block or NULL */ mtr_t* mtr) /* in: mtr or NULL */ { @@ -584,7 +584,7 @@ ibuf_bitmap_page_get_bits( 0 for uncompressed pages */ ulint bit, /* in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ - mtr_t* mtr UNIV_UNUSED) + mtr_t* mtr __attribute__((unused))) /* in: mtr containing an x-latch to the bitmap page */ { diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 2ed36d588a5..5bbabe7e07c 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -118,7 +118,7 @@ btr_page_get_level( /*===============*/ /* out: level, leaf level == 0 */ const page_t* page, /* in: index page */ - mtr_t* mtr UNIV_UNUSED) + mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ { ut_ad(page && mtr); @@ -160,7 +160,7 @@ btr_page_get_next( /*==============*/ /* out: next page number */ const page_t* page, /* in: index page */ - mtr_t* mtr UNIV_UNUSED) + mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ { ut_ad(page && mtr); @@ -200,7 +200,7 @@ btr_page_get_prev( /*==============*/ /* out: prev page number */ const page_t* page, /* in: index page */ - mtr_t* mtr UNIV_UNUSED) /* in: mini-transaction handle */ + mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ { ut_ad(page && mtr); diff --git a/include/univ.i b/include/univ.i index 6e89a427ff9..c78045d72de 100644 --- a/include/univ.i +++ b/include/univ.i @@ -340,11 +340,8 @@ it is read. */ /* Minimize cache-miss latency by moving data at addr into a cache before it is read or written. */ # define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) -/* Tell the compiler that variable/function is unused. */ -# define UNIV_UNUSED __attribute__ ((unused)) #else /* Dummy versions of the macros */ -# define UNIV_UNUSED # define UNIV_EXPECT(expr,value) (expr) # define UNIV_LIKELY_NULL(expr) (expr) # define UNIV_PREFETCH_R(addr) ((void) 0) From f8d3a6fd604737b9bc0bb5477c38cc176b25596e Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Sep 2008 09:30:22 +0000 Subject: [PATCH 028/400] branches/innodb+: buf_print_io(): Replace a TAB in the output with spaces, so that this will be identical to branches/zip. --- buf/buf0buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index cf7d32bd8c3..7db4e1d602a 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -3715,7 +3715,7 @@ buf_print_io( fprintf(file, "Buffer pool size %lu\n" - "Free buffers %lu\n" + "Free buffers %lu\n" "Database pages %lu\n" "Modified db pages %lu\n" "Pending reads %lu\n" From 294917e409f11c1c12ee51361aaa2b48bf5e2556 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 19 Sep 2008 13:34:12 +0000 Subject: [PATCH 029/400] branches/innodb+: Undo another white-space change that makes the code differ from branches/zip. --- btr/btr0cur.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 7c970b2dcb0..4f1845caf8d 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -926,7 +926,7 @@ btr_cur_open_at_rnd_pos( block = buf_page_get_gen(space, zip_size, page_no, RW_NO_LATCH, NULL, BUF_GET, - __FILE__, __LINE__, mtr); + __FILE__, __LINE__, mtr); page = buf_block_get_frame(block); ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); From 6fadbe8a1dcf33fc2967577864baf920dc7f5412 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 19 Sep 2008 14:00:02 +0000 Subject: [PATCH 030/400] branches/innodb+: buf_page_get_gen(): Correct some ut_ad() assertions. zip_size should always equal fil_space_get_zip_size(space), even when called from ibuf. ibuf_page() should be called with mtr=NULL to be equivalent to the original implementation. We cannot assume that mtr holds an x-latch on the insert buffer bitmap page that covers the page that is being requested. --- buf/buf0buf.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 7db4e1d602a..caa8d0e25fd 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1877,18 +1877,14 @@ buf_page_get_gen( || (rw_latch == RW_X_LATCH) || (rw_latch == RW_NO_LATCH)); ut_ad((mode != BUF_GET_NO_LATCH) || (rw_latch == RW_NO_LATCH)); - - /* Check for acceptable modes. */ ut_ad(mode == BUF_GET || mode == BUF_GET_IF_IN_POOL || mode == BUF_GET_NO_LATCH || mode == BUF_GET_NOWAIT || mode == BUF_GET_IF_IN_POOL_OR_WATCH); - - /* zip_size can be zero if called from ibuf. */ - ut_ad(zip_size == 0 || zip_size == fil_space_get_zip_size(space)); + ut_ad(zip_size == fil_space_get_zip_size(space)); #ifndef UNIV_LOG_DEBUG - ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, mtr)); + ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); #endif buf_pool->n_page_gets++; loop: From 1c8ce73ace50ee14714dfafab9f10870980fb50d Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 19 Sep 2008 14:10:56 +0000 Subject: [PATCH 031/400] branches/innodb+: buf0buf.c: Fix some assertions. buf_page_get_gen(): Once again, zip_size must always match the compressed page size of the tablespace where the page is requested from. This seems to hold also for all calls from the insert buffer. buf_page_optimistic_get_func(): Do not pass mtr to ibuf_page(), because there is no guarantee that mtr would contain an x-latch to the insert buffer bitmap page that covers (block->page.space, block->page.offset). --- buf/buf0buf.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index caa8d0e25fd..c73c4e199b5 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1940,9 +1940,7 @@ loop2: goto loop; } - /* zip_size can be 0 if called from ibuf */ - ut_ad(zip_size == 0 - || page_zip_get_size(&block->page.zip) == zip_size); + ut_ad(page_zip_get_size(&block->page.zip) == zip_size); must_read = buf_block_get_io_fix(block) == BUF_IO_READ; @@ -1950,8 +1948,8 @@ loop2: && (mode == BUF_GET_IF_IN_POOL || mode == BUF_GET_IF_IN_POOL_OR_WATCH)) { - /* The page is being read to bufer pool, - but we can't wait around for the read to + /* The page is being read to buffer pool, + but we cannot wait around for the read to complete. */ if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { @@ -2265,7 +2263,7 @@ buf_page_optimistic_get_func( ut_ad(!ibuf_inside() || ibuf_page(buf_block_get_space(block), buf_block_get_zip_size(block), - buf_block_get_page_no(block), mtr)); + buf_block_get_page_no(block), NULL)); if (rw_latch == RW_S_LATCH) { success = rw_lock_s_lock_func_nowait(&(block->lock), From c5fa1c20bec40d299af44501276ca5f5b08dfde6 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 07:57:34 +0000 Subject: [PATCH 032/400] branches/innodb+: Merge 2637:2660 from branches/zip. --- ChangeLog | 18 +++- btr/btr0btr.c | 11 +-- btr/btr0cur.c | 17 +--- btr/btr0pcur.c | 4 +- btr/btr0sea.c | 4 - buf/buf0buf.c | 6 +- dict/dict0boot.c | 19 ++-- dict/dict0crea.c | 12 +-- dict/dict0dict.c | 169 ++++++++++++++++++++++++++++++++++- dict/dict0load.c | 3 +- fil/fil0fil.c | 8 +- fsp/fsp0fsp.c | 27 ++---- handler/ha_innodb.cc | 58 +++++++++--- ibuf/ibuf0ibuf.c | 29 ++---- include/btr0btr.ic | 4 +- include/buf0buf.h | 2 + include/dict0dict.h | 5 +- include/fut0fut.ic | 2 - include/ha_prototypes.h | 9 ++ include/trx0rseg.ic | 6 +- include/trx0sys.ic | 3 +- include/trx0trx.h | 9 ++ include/trx0undo.ic | 4 - lock/lock0lock.c | 3 +- log/log0recv.c | 5 +- mysql-test/innodb-zip.result | 20 ++++- mysql-test/innodb-zip.test | 25 ++++-- mysql-test/innodb.result | 1 + mysql-test/innodb.test | 1 + os/os0proc.c | 4 +- row/row0purge.c | 3 +- trx/trx0rec.c | 3 +- trx/trx0rseg.c | 2 - trx/trx0sys.c | 11 +-- trx/trx0trx.c | 16 ++++ trx/trx0undo.c | 3 +- 36 files changed, 356 insertions(+), 170 deletions(-) diff --git a/ChangeLog b/ChangeLog index eee2b83dc7c..1160edf714b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,20 @@ +2008-09-17 The InnoDB Team + + * mysql-test/innodb.result, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, mysql-test/innodb.test, + ibuf/ibuf0ibuf.c, dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, + include/dict0dict.h, include/trx0trx.h, + dict/dict0dict.c, trx/trx0trx.c, + include/ha_prototypes.h, handler/ha_innodb.cc: + When creating an index in innodb_strict_mode, check that the + maximum record size will never exceed the B-tree page size limit. + For uncompressed tables, there should always be enough space for + two records in an empty B-tree page. For compressed tables, there + should be enough space for storing two node pointer records or one + data record in an empty page in uncompressed format. + The purpose of this check is to guarantee that INSERT or UPDATE + will never fail due to too big record size. + 2008-09-17 The InnoDB Team * btr/btr0cur.c, data/data0data.c, include/page0zip.h, @@ -8,7 +25,6 @@ pointer records in an empty B-tree page. Also, require that at least one data record will fit in an empty compressed page. This will reduce the maximum size of records in compressed tables. - This was reported as Mantis issue #73. 2008-09-09 The InnoDB Team diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 2ca6826eea0..49fefb10e94 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -313,9 +313,7 @@ btr_page_alloc_for_ibuf( dict_table_zip_size(index->table), node_addr.page, RW_X_LATCH, mtr); new_page = buf_block_get_frame(new_block); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, new_page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, @@ -375,9 +373,7 @@ btr_page_alloc( new_block = buf_page_get(dict_index_get_space(index), dict_table_zip_size(index->table), new_page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ return(new_block); } @@ -751,9 +747,8 @@ btr_create( space, 0, IBUF_HEADER + IBUF_TREE_SEG_HEADER, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(ibuf_hdr_block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ + ut_ad(buf_block_get_page_no(ibuf_hdr_block) == IBUF_HEADER_PAGE_NO); /* Allocate then the next page to the segment: it will be the @@ -782,9 +777,7 @@ btr_create( page_no = buf_block_get_page_no(block); frame = buf_block_get_frame(block); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ if (type & DICT_IBUF) { /* It is an insert buffer tree: initialize the free list */ @@ -799,9 +792,7 @@ btr_create( PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr); /* The fseg create acquires a second latch on the page, therefore we must declare it: */ -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ } /* Create a new index page on the the allocated segment page */ diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 4f1845caf8d..c8f9912819a 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -433,7 +433,6 @@ btr_cur_search_to_nth_level( } #endif /* BTR_CUR_HASH_ADAPT */ #endif /* BTR_CUR_ADAPT */ - btr_cur_n_non_sea++; /* If the hash search did not succeed, do binary search down the @@ -614,11 +613,10 @@ retry_page_get: } #endif /* UNIV_ZIP_DEBUG */ -#ifdef UNIV_SYNC_DEBUG if (rw_latch != RW_NO_LATCH) { buf_block_dbg_add_level(block, SYNC_TREE_NODE); } -#endif + ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); if (UNIV_UNLIKELY(height == ULINT_UNDEFINED)) { @@ -3975,10 +3973,8 @@ btr_store_big_rec_extern_fields( prev_block = buf_page_get(space_id, zip_size, prev_page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(prev_block, SYNC_EXTERN_STORAGE); -#endif /* UNIV_SYNC_DEBUG */ prev_page = buf_block_get_frame(prev_block); if (UNIV_LIKELY_NULL(page_zip)) { @@ -4073,10 +4069,9 @@ btr_store_big_rec_extern_fields( rec_block = buf_page_get(space_id, zip_size, rec_page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(rec_block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ + if (err == Z_STREAM_END) { mach_write_to_4(field_ref + BTR_EXTERN_LEN, 0); @@ -4152,10 +4147,8 @@ next_zip_page: rec_block = buf_page_get(space_id, zip_size, rec_page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(rec_block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ mlog_write_ulint(field_ref + BTR_EXTERN_LEN, 0, MLOG_4BYTES, &mtr); @@ -4299,9 +4292,7 @@ btr_free_externally_stored_field( page_get_page_no( page_align(field_ref)), RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(rec_block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ page_no = mach_read_from_4(field_ref + BTR_EXTERN_PAGE_NO); if (/* There is no external storage data */ @@ -4322,9 +4313,7 @@ btr_free_externally_stored_field( ext_block = buf_page_get(space_id, ext_zip_size, page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(ext_block, SYNC_EXTERN_STORAGE); -#endif /* UNIV_SYNC_DEBUG */ page = buf_block_get_frame(ext_block); if (ext_zip_size) { @@ -4514,9 +4503,7 @@ btr_copy_blob_prefix( mtr_start(&mtr); block = buf_page_get(space_id, 0, page_no, RW_S_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_EXTERN_STORAGE); -#endif /* UNIV_SYNC_DEBUG */ page = buf_block_get_frame(block); /* Unfortunately, FIL_PAGE_TYPE was uninitialized for diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index 79e62ed3549..7adedf7e035 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -244,10 +244,10 @@ btr_pcur_restore_position( cursor->block_when_stored, cursor->modify_clock, mtr))) { cursor->pos_state = BTR_PCUR_IS_POSITIONED; -#ifdef UNIV_SYNC_DEBUG + buf_block_dbg_add_level(btr_pcur_get_block(cursor), SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ + if (cursor->rel_pos == BTR_PCUR_ON) { #ifdef UNIV_DEBUG const rec_t* rec; diff --git a/btr/btr0sea.c b/btr/btr0sea.c index f16065bcf9a..ac716ce0440 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -845,9 +845,7 @@ btr_search_guess_on_hash( rw_lock_s_unlock(&btr_search_latch); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); -#endif /* UNIV_SYNC_DEBUG */ } if (UNIV_UNLIKELY(buf_block_get_state(block) @@ -1158,9 +1156,7 @@ btr_search_drop_page_hash_when_freed( BUF_GET_IF_IN_POOL, __FILE__, __LINE__, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); -#endif /* UNIV_SYNC_DEBUG */ btr_search_drop_page_hash_index(block); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c73c4e199b5..dceb66e7102 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2284,9 +2284,8 @@ buf_page_optimistic_get_func( } if (UNIV_UNLIKELY(modify_clock != block->modify_clock)) { -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ + if (rw_latch == RW_S_LATCH) { rw_lock_s_unlock(&(block->lock)); } else { @@ -2486,9 +2485,8 @@ buf_page_try_get_func( #ifdef UNIV_DEBUG_FILE_ACCESSES ut_a(block->page.file_page_was_freed == FALSE); #endif /* UNIV_DEBUG_FILE_ACCESSES */ -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ + buf_pool->n_page_gets++; return(block); diff --git a/dict/dict0boot.c b/dict/dict0boot.c index f4e209eca90..a1a94c078e6 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -39,9 +39,9 @@ dict_hdr_get( block = buf_page_get(DICT_HDR_SPACE, 0, DICT_HDR_PAGE_NO, RW_X_LATCH, mtr); header = DICT_HDR + buf_block_get_frame(block); -#ifdef UNIV_SYNC_DEBUG + buf_block_dbg_add_level(block, SYNC_DICT_HEADER); -#endif /* UNIV_SYNC_DEBUG */ + return(header); } @@ -279,7 +279,8 @@ dict_boot(void) error = dict_index_add_to_cache(table, index, mtr_read_ulint(dict_hdr + DICT_HDR_TABLES, - MLOG_4BYTES, &mtr)); + MLOG_4BYTES, &mtr), + FALSE); ut_a(error == DB_SUCCESS); /*-------------------------*/ @@ -291,7 +292,8 @@ dict_boot(void) error = dict_index_add_to_cache(table, index, mtr_read_ulint(dict_hdr + DICT_HDR_TABLE_IDS, - MLOG_4BYTES, &mtr)); + MLOG_4BYTES, &mtr), + FALSE); ut_a(error == DB_SUCCESS); /*-------------------------*/ @@ -322,7 +324,8 @@ dict_boot(void) error = dict_index_add_to_cache(table, index, mtr_read_ulint(dict_hdr + DICT_HDR_COLUMNS, - MLOG_4BYTES, &mtr)); + MLOG_4BYTES, &mtr), + FALSE); ut_a(error == DB_SUCCESS); /*-------------------------*/ @@ -363,7 +366,8 @@ dict_boot(void) error = dict_index_add_to_cache(table, index, mtr_read_ulint(dict_hdr + DICT_HDR_INDEXES, - MLOG_4BYTES, &mtr)); + MLOG_4BYTES, &mtr), + FALSE); ut_a(error == DB_SUCCESS); /*-------------------------*/ @@ -389,7 +393,8 @@ dict_boot(void) error = dict_index_add_to_cache(table, index, mtr_read_ulint(dict_hdr + DICT_HDR_FIELDS, - MLOG_4BYTES, &mtr)); + MLOG_4BYTES, &mtr), + FALSE); ut_a(error == DB_SUCCESS); mtr_commit(&mtr); diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 6be6946003f..75a0b49abdb 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -216,8 +216,6 @@ dict_build_table_def_step( const char* path_or_name; ibool is_path; mtr_t mtr; - ulint i; - ulint row_len; ut_ad(mutex_own(&(dict_sys->mutex))); @@ -227,14 +225,6 @@ dict_build_table_def_step( thr_get_trx(thr)->table_id = table->id; - row_len = 0; - for (i = 0; i < table->n_def; i++) { - row_len += dict_col_get_min_size(&table->cols[i]); - } - if (row_len > BTR_PAGE_MAX_REC_SIZE) { - return(DB_TOO_BIG_RECORD); - } - if (srv_file_per_table) { /* We create a new single-table tablespace for the table. We initially let it be 4 pages: @@ -1089,7 +1079,7 @@ dict_create_index_step( dulint index_id = node->index->id; err = dict_index_add_to_cache(node->table, node->index, - FIL_NULL); + FIL_NULL, trx_is_strict(trx)); node->index = dict_index_get_if_in_cache_low(index_id); ut_a(!node->index == (err != DB_SUCCESS)); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 8b127ed7ecd..45aea0a2783 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -22,6 +22,8 @@ Created 1/8/1996 Heikki Tuuri #include "btr0btr.h" #include "btr0cur.h" #include "btr0sea.h" +#include "page0zip.h" +#include "page0page.h" #include "pars0pars.h" #include "pars0sym.h" #include "que0que.h" @@ -1262,6 +1264,156 @@ is_ord_part: return(undo_page_len >= UNIV_PAGE_SIZE); } +/******************************************************************** +If a record of this index might not fit on a single B-tree page, +return TRUE. */ +static +ibool +dict_index_too_big_for_tree( +/*========================*/ + /* out: TRUE if the index + record could become too big */ + const dict_table_t* table, /* in: table */ + const dict_index_t* new_index) /* in: index */ +{ + ulint zip_size; + ulint comp; + ulint i; + /* maximum possible storage size of a record */ + ulint rec_max_size; + /* maximum allowed size of a record on a leaf page */ + ulint page_rec_max; + /* maximum allowed size of a node pointer record */ + ulint page_ptr_max; + + comp = dict_table_is_comp(table); + zip_size = dict_table_zip_size(table); + + if (zip_size && zip_size < UNIV_PAGE_SIZE) { + /* On a compressed page, two records must fit in the + uncompressed page modification log. On compressed + pages with zip_size == UNIV_PAGE_SIZE, this limit will + never be reached. */ + ut_ad(comp); + /* The maximum allowed record size is the size of + an empty page, minus a byte for recoding the heap + number in the page modification log. The maximum + allowed node pointer size is half that. */ + page_rec_max = page_zip_empty_size(new_index->n_fields, + zip_size) - 1; + page_ptr_max = page_rec_max / 2; + /* On a compressed page, there is a two-byte entry in + the dense page directory for every record. But there + is no record header. */ + rec_max_size = 2; + } else { + /* The maximum allowed record size is half a B-tree + page. No additional sparse page directory entry will + be generated for the first few user records. */ + page_rec_max = page_get_free_space_of_empty(comp) / 2; + page_ptr_max = page_rec_max; + /* Each record has a header. */ + rec_max_size = comp + ? REC_N_NEW_EXTRA_BYTES + : REC_N_OLD_EXTRA_BYTES; + } + + if (comp) { + /* Include the "null" flags in the + maximum possible record size. */ + rec_max_size += UT_BITS_IN_BYTES(new_index->n_nullable); + } else { + /* For each column, include a 2-byte offset and a + "null" flag. The 1-byte format is only used in short + records that do not contain externally stored columns. + Such records could never exceed the page limit, even + when using the 2-byte format. */ + rec_max_size += 2 * new_index->n_fields; + } + + /* Compute the maximum possible record size. */ + for (i = 0; i < new_index->n_fields; i++) { + const dict_field_t* field + = dict_index_get_nth_field(new_index, i); + const dict_col_t* col + = dict_field_get_col(field); + ulint field_max_size; + ulint field_ext_max_size; + + /* In dtuple_convert_big_rec(), variable-length columns + that are longer than BTR_EXTERN_FIELD_REF_SIZE * 2 + may be chosen for external storage. + + Fixed-length columns, and all columns of secondary + index records are always stored inline. */ + + /* Determine the maximum length of the index field. + The field_ext_max_size should be computed as the worst + case in rec_get_converted_size_comp() for + REC_STATUS_ORDINARY records. */ + + field_max_size = dict_col_get_fixed_size(col); + if (field_max_size) { + /* dict_index_add_col() should guarantee this */ + ut_ad(!field->prefix_len + || field->fixed_len == field->prefix_len); + /* Fixed lengths are not encoded + in ROW_FORMAT=COMPACT. */ + field_ext_max_size = 0; + goto add_field_size; + } + + field_max_size = dict_col_get_max_size(col); + field_ext_max_size = field_max_size < 256 ? 1 : 2; + + if (field->prefix_len) { + if (field->prefix_len < field_max_size) { + field_max_size = field->prefix_len; + } + } else if (field_max_size > BTR_EXTERN_FIELD_REF_SIZE * 2 + && dict_index_is_clust(new_index)) { + + /* In the worst case, we have a locally stored + column of BTR_EXTERN_FIELD_REF_SIZE * 2 bytes. + The length can be stored in one byte. If the + column were stored externally, the lengths in + the clustered index page would be + BTR_EXTERN_FIELD_REF_SIZE and 2. */ + field_max_size = BTR_EXTERN_FIELD_REF_SIZE * 2; + field_ext_max_size = 1; + } + + if (comp) { + /* Add the extra size for ROW_FORMAT=COMPACT. + For ROW_FORMAT=REDUNDANT, these bytes were + added to rec_max_size before this loop. */ + rec_max_size += field_ext_max_size; + } +add_field_size: + rec_max_size += field_max_size; + + /* Check the size limit on leaf pages. */ + if (UNIV_UNLIKELY(rec_max_size >= page_rec_max)) { + + return(TRUE); + } + + /* Check the size limit on non-leaf pages. Records + stored in non-leaf B-tree pages consist of the unique + columns of the record (the key columns of the B-tree) + and a node pointer field. When we have processed the + unique columns, rec_max_size equals the size of the + node pointer record minus the node pointer column. */ + if (i + 1 == dict_index_get_n_unique_in_tree(new_index) + && rec_max_size + REC_NODE_PTR_SIZE >= page_ptr_max) { + + return(TRUE); + } + } + + return(FALSE); +} + /************************************************************************** Adds an index to the dictionary cache. */ UNIV_INTERN @@ -1272,7 +1424,10 @@ dict_index_add_to_cache( dict_table_t* table, /* in: table on which the index is */ dict_index_t* index, /* in, own: index; NOTE! The index memory object is freed in this function! */ - ulint page_no)/* in: root page number of the index */ + ulint page_no,/* in: root page number of the index */ + ibool strict) /* in: TRUE=refuse to create the index + if records could be too big to fit in + an B-tree page */ { dict_index_t* new_index; ulint n_ord; @@ -1303,6 +1458,13 @@ dict_index_add_to_cache( new_index->n_fields = new_index->n_def; + if (strict && dict_index_too_big_for_tree(table, new_index)) { +too_big: + dict_mem_index_free(new_index); + dict_mem_index_free(index); + return(DB_TOO_BIG_RECORD); + } + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { n_ord = new_index->n_fields; } else { @@ -1334,9 +1496,8 @@ dict_index_add_to_cache( if (dict_index_too_big_for_undo(table, new_index)) { /* An undo log record might not fit in a single page. Refuse to create this index. */ - dict_mem_index_free(new_index); - dict_mem_index_free(index); - return(DB_TOO_BIG_RECORD); + + goto too_big; } break; diff --git a/dict/dict0load.c b/dict/dict0load.c index 437cfabce6c..e51b1376be3 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -765,7 +765,8 @@ dict_load_indexes( index->id = id; dict_load_fields(index, heap); - error = dict_index_add_to_cache(table, index, page_no); + error = dict_index_add_to_cache(table, index, page_no, + FALSE); /* The data dictionary tables should never contain invalid index definitions. If we ignored this error and simply did not load this index definition, the diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 6ed4b72f148..684aaa45bec 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -4262,18 +4262,16 @@ fil_io( ut_ad(recv_no_ibuf_operations || (type == OS_FILE_WRITE) || !ibuf_bitmap_page(zip_size, block_offset) || sync || is_log); -#ifdef UNIV_SYNC_DEBUG ut_ad(!ibuf_inside() || is_log || (type == OS_FILE_WRITE) || ibuf_page(space_id, zip_size, block_offset, NULL)); -#endif #endif if (sync) { mode = OS_AIO_SYNC; - } else if (type == OS_FILE_READ && !is_log - && ibuf_page(space_id, zip_size, block_offset, NULL)) { - mode = OS_AIO_IBUF; } else if (is_log) { mode = OS_AIO_LOG; + } else if (type == OS_FILE_READ + && ibuf_page(space_id, zip_size, block_offset, NULL)) { + mode = OS_AIO_IBUF; } else { mode = OS_AIO_NORMAL; } diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 8a3d103d283..4c6df8f0dfa 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -345,9 +345,8 @@ fsp_get_space_header( block = buf_page_get(id, zip_size, 0, RW_X_LATCH, mtr); header = FSP_HEADER_OFFSET + buf_block_get_frame(block); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + ut_ad(id == mach_read_from_4(FSP_SPACE_ID + header)); ut_ad(zip_size == dict_table_flags_to_zip_size( mach_read_from_4(FSP_SPACE_FLAGS + header))); @@ -730,9 +729,8 @@ xdes_get_descriptor_with_space_hdr( block = buf_page_get(space, zip_size, descr_page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + descr_page = buf_block_get_frame(block); } @@ -765,9 +763,8 @@ xdes_get_descriptor( fsp_header_t* sp_header; block = buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + sp_header = FSP_HEADER_OFFSET + buf_block_get_frame(block); return(xdes_get_descriptor_with_space_hdr(sp_header, space, offset, mtr)); @@ -948,9 +945,7 @@ fsp_header_init( zip_size = dict_table_flags_to_zip_size(flags); block = buf_page_create(space, 0, zip_size, mtr); buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ /* The prior contents of the file page should be ignored */ @@ -1380,10 +1375,9 @@ fsp_fill_free_list( space, i, zip_size, mtr); buf_page_get(space, zip_size, i, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + fsp_init_file_page(block, mtr); mlog_write_ulint(buf_block_get_frame(block) + FIL_PAGE_TYPE, @@ -1404,9 +1398,8 @@ fsp_fill_free_list( buf_page_get(space, zip_size, i + FSP_IBUF_BITMAP_OFFSET, RW_X_LATCH, &ibuf_mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + fsp_init_file_page(block, &ibuf_mtr); ibuf_bitmap_page_init(block, &ibuf_mtr); @@ -1637,9 +1630,7 @@ fsp_alloc_free_page( buf_page_create(space, page_no, zip_size, mtr); block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ /* Prior contents of the page should be ignored */ fsp_init_file_page(block, mtr); @@ -1881,9 +1872,7 @@ fsp_alloc_seg_inode_page( } block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ block->check_index_page_at_flush = FALSE; @@ -1941,9 +1930,8 @@ fsp_alloc_seg_inode( mach_read_from_4(FSP_SPACE_FLAGS + space_header)); block = buf_page_get(page_get_space_id(page_align(space_header)), zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + page = buf_block_get_frame(block); n = fsp_seg_inode_page_find_free(page, 0, zip_size, mtr); @@ -2714,9 +2702,8 @@ fseg_alloc_free_page_low( mach_read_from_4(FSP_SPACE_FLAGS + space_header)); block = buf_page_create(space, ret_page, zip_size, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_FSP_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + if (UNIV_UNLIKELY(block != buf_page_get(space, zip_size, ret_page, RW_X_LATCH, mtr))) { diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index ecab3adb965..4d92c0e6e10 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -94,6 +94,16 @@ static bool innodb_inited = 0; #define INSIDE_HA_INNOBASE_CC +/* In the Windows plugin, the return value of current_thd is +undefined. Map it to NULL. */ +#if defined MYSQL_DYNAMIC_PLUGIN && defined __WIN__ +# undef current_thd +# define current_thd NULL +# define EQ_CURRENT_THD(thd) TRUE +#else /* MYSQL_DYNAMIC_PLUGIN && __WIN__ */ +# define EQ_CURRENT_THD(thd) ((thd) == current_thd) +#endif /* MYSQL_DYNAMIC_PLUGIN && __WIN__ */ + #ifdef MYSQL_DYNAMIC_PLUGIN /* These must be weak global variables in the dynamic plugin. */ struct handlerton* innodb_hton_ptr; @@ -652,6 +662,18 @@ thd_is_select( return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); } +/********************************************************************** +Returns true if the thread is executing in innodb_strict_mode. */ + +ibool +thd_is_strict( +/*==========*/ + /* out: true if thd is in strict mode */ + void* thd) /* in: thread handle (THD*) */ +{ + return(THDVAR((THD*) thd, strict_mode)); +} + /************************************************************************ Obtain the InnoDB transaction of a MySQL thread. */ inline @@ -1076,7 +1098,7 @@ check_trx_exists( { trx_t*& trx = thd_to_trx(thd); - ut_ad(thd == current_thd); + ut_ad(EQ_CURRENT_THD(thd)); if (trx == NULL) { DBUG_ASSERT(thd != NULL); @@ -1169,7 +1191,7 @@ ha_innobase::update_thd() /*=====================*/ { THD* thd = ha_thd(); - ut_ad(thd == current_thd); + ut_ad(EQ_CURRENT_THD(thd)); update_thd(thd); } @@ -2550,7 +2572,7 @@ ha_innobase::table_flags() const { /* Need to use tx_isolation here since table flags is (also) called before prebuilt is inited. */ - ulong const tx_isolation = thd_tx_isolation(current_thd); + ulong const tx_isolation = thd_tx_isolation(ha_thd()); if (tx_isolation <= ISO_READ_COMMITTED) return int_table_flags; return int_table_flags | HA_BINLOG_STMT_CAPABLE; @@ -2905,7 +2927,7 @@ ha_innobase::close(void) DBUG_ENTER("ha_innobase::close"); - thd = current_thd; // avoid calling current_thd twice, it may be slow + thd = ha_thd(); if (thd != NULL) { innobase_release_temporary_latches(ht, thd); } @@ -6155,7 +6177,6 @@ innobase_drop_database( the database name is 'test' */ { ulint len = 0; - trx_t* parent_trx; trx_t* trx; char* ptr; int error; @@ -6167,12 +6188,16 @@ innobase_drop_database( DBUG_ASSERT(hton == innodb_hton_ptr); - parent_trx = check_trx_exists(thd); + /* In the Windows plugin, thd = current_thd is always NULL */ + if (thd) { + trx_t* parent_trx = check_trx_exists(thd); - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ + /* In case MySQL calls this in the middle of a SELECT + query, release possible adaptive hash latch to avoid + deadlocks of threads */ - trx_search_latch_release_if_reserved(parent_trx); + trx_search_latch_release_if_reserved(parent_trx); + } ptr = strend(path) - 2; @@ -6192,10 +6217,15 @@ innobase_drop_database( #endif trx = trx_allocate_for_mysql(); trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); + if (thd) { + trx->mysql_query_str = thd_query(thd); - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; + if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { + trx->check_foreigns = FALSE; + } + } else { + /* In the Windows plugin, thd = current_thd is always NULL */ + trx->mysql_query_str = NULL; } error = row_drop_database_for_mysql(namebuf, trx); @@ -7409,7 +7439,7 @@ ha_innobase::external_lock( if (lock_type == F_WRLCK) { ulong const binlog_format= thd_binlog_format(thd); - ulong const tx_isolation = thd_tx_isolation(current_thd); + ulong const tx_isolation = thd_tx_isolation(ha_thd()); if (tx_isolation <= ISO_READ_COMMITTED && binlog_format == BINLOG_FORMAT_STMT) { @@ -7978,7 +8008,7 @@ ha_innobase::store_lock( } } - DBUG_ASSERT(thd == current_thd); + DBUG_ASSERT(EQ_CURRENT_THD(thd)); const bool in_lock_tables = thd_in_lock_tables(thd); const uint sql_command = thd_sql_command(thd); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9048a2d2775..6ae091c9510 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -330,10 +330,7 @@ ibuf_header_page_get( block = buf_page_get( IBUF_SPACE_ID, 0, FSP_IBUF_HEADER_PAGE_NO, RW_X_LATCH, mtr); - -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_IBUF_HEADER); -#endif /* UNIV_SYNC_DEBUG */ return(buf_block_get_frame(block)); } @@ -356,9 +353,7 @@ ibuf_tree_root_get( block = buf_page_get( IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ return(buf_block_get_frame(block)); } @@ -435,6 +430,7 @@ ibuf_init_at_db_start(void) dict_index_t* index; ulint n_used; page_t* header_page; + ulint error; ibuf = mem_alloc(sizeof(ibuf_t)); @@ -476,10 +472,7 @@ ibuf_init_at_db_start(void) block = buf_page_get( IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, &mtr); - -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ root = buf_block_get_frame(block); } @@ -511,7 +504,9 @@ ibuf_init_at_db_start(void) index->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); - dict_index_add_to_cache(table, index, FSP_IBUF_TREE_ROOT_PAGE_NO); + error = dict_index_add_to_cache(table, index, + FSP_IBUF_TREE_ROOT_PAGE_NO, FALSE); + ut_a(error == DB_SUCCESS); ibuf->index = dict_table_get_first_index(table); } @@ -730,9 +725,7 @@ ibuf_bitmap_get_map_page( block = buf_page_get(space, zip_size, ibuf_bitmap_page_no_calc(zip_size, page_no), RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_IBUF_BITMAP); -#endif /* UNIV_SYNC_DEBUG */ return(buf_block_get_frame(block)); } @@ -1953,9 +1946,8 @@ ibuf_add_free_page(void) block = buf_page_get( IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); -#endif /* UNIV_SYNC_DEBUG */ + page = buf_block_get_frame(block); } @@ -2085,9 +2077,8 @@ ibuf_remove_free_page(void) block = buf_page_get( IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ + page = buf_block_get_frame(block); } @@ -2600,9 +2591,8 @@ ibuf_get_volume_buffered( block = buf_page_get( IBUF_SPACE_ID, 0, prev_page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ + prev_page = buf_block_get_frame(block); } @@ -2675,9 +2665,8 @@ count_later: block = buf_page_get( IBUF_SPACE_ID, 0, next_page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ + next_page = buf_block_get_frame(block); } @@ -3775,9 +3764,7 @@ loop: ut_a(success); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ } /* Position pcur in the insert buffer at the first entry for this diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 5bbabe7e07c..215defbfa3e 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -29,12 +29,12 @@ btr_block_get( buf_block_t* block; block = buf_page_get(space, zip_size, page_no, mode, mtr); -#ifdef UNIV_SYNC_DEBUG + if (mode != RW_NO_LATCH) { buf_block_dbg_add_level(block, SYNC_TREE_NODE); } -#endif + return(block); } diff --git a/include/buf0buf.h b/include/buf0buf.h index f99e352ee6a..b78dfaeea9b 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -608,6 +608,8 @@ buf_block_dbg_add_level( buf_block_t* block, /* in: buffer page where we have acquired latch */ ulint level); /* in: latching order level */ +#else /* UNIV_SYNC_DEBUG */ +# define buf_block_dbg_add_level(block, level) /* nothing */ #endif /* UNIV_SYNC_DEBUG */ /************************************************************************* Gets the state of a block. */ diff --git a/include/dict0dict.h b/include/dict0dict.h index 79673807343..f279559f9fe 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -716,7 +716,10 @@ dict_index_add_to_cache( dict_table_t* table, /* in: table on which the index is */ dict_index_t* index, /* in, own: index; NOTE! The index memory object is freed in this function! */ - ulint page_no);/* in: root page number of the index */ + ulint page_no,/* in: root page number of the index */ + ibool strict);/* in: TRUE=refuse to create the index + if records could be too big to fit in + an B-tree page */ /************************************************************************** Removes an index from the dictionary cache. */ UNIV_INTERN diff --git a/include/fut0fut.ic b/include/fut0fut.ic index a8b6f87fa6d..4b2451a2e00 100644 --- a/include/fut0fut.ic +++ b/include/fut0fut.ic @@ -33,9 +33,7 @@ fut_get_ptr( block = buf_page_get(space, zip_size, addr.page, rw_latch, mtr); ptr = buf_block_get_frame(block) + addr.boffset; -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ return(ptr); } diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index e6a33f3f2d1..6af3a418552 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -206,5 +206,14 @@ innobase_get_charset( /* out: connection character set */ void* mysql_thd); /* in: MySQL thread handle */ +/********************************************************************** +Returns true if the thread is executing in innodb_strict_mode. */ + +ibool +thd_is_strict( +/*==========*/ + /* out: true if thd is in strict mode */ + void* thd); /* in: thread handle (THD*) */ + #endif #endif diff --git a/include/trx0rseg.ic b/include/trx0rseg.ic index 8fd1897ba5f..38ac2028fa9 100644 --- a/include/trx0rseg.ic +++ b/include/trx0rseg.ic @@ -26,9 +26,8 @@ trx_rsegf_get( trx_rsegf_t* header; block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_RSEG_HEADER); -#endif /* UNIV_SYNC_DEBUG */ + header = TRX_RSEG + buf_block_get_frame(block); return(header); @@ -52,9 +51,8 @@ trx_rsegf_get_new( trx_rsegf_t* header; block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); -#endif /* UNIV_SYNC_DEBUG */ + header = TRX_RSEG + buf_block_get_frame(block); return(header); diff --git a/include/trx0sys.ic b/include/trx0sys.ic index a239bbd9d9a..8e255763b1d 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -100,9 +100,8 @@ trx_sysf_get( block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); -#endif /* UNIV_SYNC_DEBUG */ + header = TRX_SYS + buf_block_get_frame(block); return(header); diff --git a/include/trx0trx.h b/include/trx0trx.h index 867a49d72b6..e625f958a9c 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -406,6 +406,15 @@ trx_is_interrupted( #define trx_is_interrupted(trx) FALSE #endif /* !UNIV_HOTBACKUP */ +/************************************************************************** +Determines if the currently running transaction is in innodb_strict_mode. */ +UNIV_INTERN +ibool +trx_is_strict( +/*==========*/ + /* out: TRUE if strict */ + trx_t* trx); /* in: transaction */ + /*********************************************************************** Calculates the "weight" of a transaction. The weight of one transaction is estimated as the number of altered rows + the number of locked rows. diff --git a/include/trx0undo.ic b/include/trx0undo.ic index 61faa914301..ea8fbc3907f 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -135,9 +135,7 @@ trx_undo_page_get( { buf_block_t* block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); -#endif /* UNIV_SYNC_DEBUG */ return(buf_block_get_frame(block)); } @@ -157,9 +155,7 @@ trx_undo_page_get_s_latched( { buf_block_t* block = buf_page_get(space, zip_size, page_no, RW_S_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); -#endif /* UNIV_SYNC_DEBUG */ return(buf_block_get_frame(block)); } diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 37ac19c3050..0bba907e8b1 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -4699,9 +4699,8 @@ lock_rec_validate_page( block = buf_page_get(space, fil_space_get_zip_size(space), page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ + page = block->frame; lock_mutex_enter_kernel(); diff --git a/log/log0recv.c b/log/log0recv.c index d9a46b074fe..59015852db5 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1253,9 +1253,7 @@ recv_recover_page( &mtr); ut_a(success); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ } /* Read the newest modification lsn from the page */ @@ -1491,10 +1489,9 @@ loop: block = buf_page_get( space, zip_size, page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level( block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ + recv_recover_page(FALSE, FALSE, block); mtr_commit(&mtr); } else { diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index 9893c583c6d..ccbfb2b7c37 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -122,15 +122,29 @@ table_schema table_name row_format test t1 Compressed test t2 Compact drop table t1,t2; +SET SESSION innodb_strict_mode = on; CREATE TABLE t1( c TEXT NOT NULL, d TEXT NOT NULL, PRIMARY KEY (c(767),d(767))) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -INSERT INTO t1 VALUES( -'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~(*,.02468:<>@BDFHJLNPRTVXZ\^`bdfhjlnprtvxz|~)+-/13579;=?ACEGIKMOQSUWY[]_acegikmoqsuwy{}(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(,048<@DHLPTX\`dhlptx|)-159=AEIMQUY]aeimquy}*.26:>BFJNRVZ^bfjnrvz~+/37;?CGKOSW[_cgkosw{(-27CHMRW\afkpuz(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(/6=DKRY`gnu|,3:AHOV]dkry)07>ELSZahov}-4;BIPW^elsz*18?FMT[bipw~.5FNV^fnv~/7?GOW_gow(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=', -'FOXajs|.7@IR[dmv(2HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~(*,.02468:<>@BDFHJLNPRTVXZ\^`bdfhjlnprtvxz|~)+-/13579;=?ACEGIKMOQSUWY[]_acegikmoqsuwy{}(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(+.147:=@CFILORUX[^adgjmpsvy|(,048<@DHLPTX\`dhlptx|)-159=AEIMQUY]aeimquy}*.26:>BFJNRVZ^bfjnrvz~+/37;?CGKOSW[_cgkosw{(-27CHMRW\afkpuz(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(.4:@FLRX^djpv|+17=CIOU[agmsy(/6=DKRY`gnu|,3:AHOV]dkry)07>ELSZahov}-4;BIPW^elsz*18?FMT[bipw~.5FNV^fnv~/7?GOW_gow(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=FOXajs|.7@IR[dmv(1:CLU^gpy+4=', -'FOXajs|.7@IR[dmv(2HR\fpz-7AKU_is}0:DNXblv)3=GQ[eoy,6@JT^hr|/9CMWaku(3>IT_ju)4?JU`kv*5@KValw+6ALWbmx,7BMXcny-8CNYdoz.9DOZep{/:EP[fq|0;FQ\gr}1KXer(6DR`n|3AO]ky0>LZhv-;IWes*8FTbp~5CQ_m{2@N\jx/=KYgu,:HVdr)7ESao}4BP^lz1?M[iw.N^n~7GWgw0@P`p)9IYiy2BRbr+;K[k{4DTdt-=M]m}6FVfv/?O_o(9J[l}7HYj{5FWhy3DUfw1BSdu/@Qbs->O`q+guess_block, BUF_GET, __FILE__, __LINE__, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(undo_block, SYNC_TRX_UNDO_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + undo_page = buf_block_get_frame(undo_block); if (op_type == TRX_UNDO_INSERT_OP) { diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 105e6a252de..7f7e3f41f55 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -84,9 +84,7 @@ trx_rseg_header_create( return(FIL_NULL); } -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); -#endif /* UNIV_SYNC_DEBUG */ page_no = buf_block_get_page_no(block); diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 90c108b7156..37bedb3e663 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -187,9 +187,7 @@ trx_sys_mark_upgraded_to_multiple_tablespaces(void) block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; @@ -233,9 +231,7 @@ start_again: block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; @@ -272,9 +268,7 @@ start_again: /* fseg_create acquires a second latch on the page, therefore we must declare it: */ -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block2, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ if (block2 == NULL) { fprintf(stderr, @@ -321,10 +315,8 @@ start_again: new_block = buf_page_get(TRX_SYS_SPACE, 0, page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(new_block, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ /* Make a dummy change to the page to ensure it will be written to disk in a flush */ @@ -902,9 +894,8 @@ trx_sysf_create( /* Create the trx sys file block in a new allocated file segment */ block = fseg_create(TRX_SYS_SPACE, 0, TRX_SYS + TRX_SYS_FSEG_HEADER, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); -#endif /* UNIV_SYNC_DEBUG */ + ut_a(buf_block_get_page_no(block) == TRX_SYS_PAGE_NO); page = buf_block_get_frame(block); diff --git a/trx/trx0trx.c b/trx/trx0trx.c index eacb1b14c6e..82e41a37f05 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -34,6 +34,22 @@ UNIV_INTERN sess_t* trx_dummy_sess = NULL; the kernel mutex */ UNIV_INTERN ulint trx_n_mysql_transactions = 0; +/************************************************************************** +Determines if the currently running transaction is in innodb_strict_mode. */ +UNIV_INTERN +ibool +trx_is_strict( +/*==========*/ + /* out: TRUE if strict */ + trx_t* trx) /* in: transaction */ +{ +#ifndef UNIV_HOTBACKUP + return(trx && trx->mysql_thd && thd_is_strict(trx->mysql_thd)); +#else /* UNIV_HOTBACKUP */ + return(FALSE); +#endif /* UNIV_HOTBACKUP */ +} + /***************************************************************** Set detailed error message for the transaction. */ UNIV_INTERN diff --git a/trx/trx0undo.c b/trx/trx0undo.c index 2155bb0c973..aac1170921b 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -457,9 +457,8 @@ trx_undo_seg_create( return(DB_OUT_OF_FILE_SPACE); } -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); -#endif /* UNIV_SYNC_DEBUG */ + *undo_page = buf_block_get_frame(block); page_hdr = *undo_page + TRX_UNDO_PAGE_HDR; From f248e920924b10b3a100783b89679771fc12fb04 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 08:05:17 +0000 Subject: [PATCH 033/400] branches/innodb+: Correct an error introduced in r736 of branches/fts and merged in r2324: ibuf_page(): Assert that recv_no_ibuf_operations == FALSE. fil_io(): Check !recv_no_ibuf_operations before calling ibuf_page(). --- fil/fil0fil.c | 1 + ibuf/ibuf0ibuf.c | 5 ++++- include/ibuf0ibuf.h | 3 ++- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 684aaa45bec..9ed6b62f142 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -4270,6 +4270,7 @@ fil_io( } else if (is_log) { mode = OS_AIO_LOG; } else if (type == OS_FILE_READ + && !recv_no_ibuf_operations && ibuf_page(space_id, zip_size, block_offset, NULL)) { mode = OS_AIO_IBUF; } else { diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 6ae091c9510..9aa9fb4e4ec 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -999,7 +999,8 @@ ibuf_fixed_addr_page( } /*************************************************************************** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. */ +Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. +Must not be called when recv_no_ibuf_operations==TRUE. */ UNIV_INTERN ibool ibuf_page( @@ -1017,6 +1018,8 @@ ibuf_page( mtr_t local_mtr; page_t* bitmap_page; + ut_ad(!recv_no_ibuf_operations); + if (ibuf_fixed_addr_page(space, zip_size, page_no)) { return(TRUE); diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 7791ea18978..c4d5abc1429 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -197,7 +197,8 @@ ibuf_bitmap_page( 0 for uncompressed pages */ ulint page_no);/* in: page number */ /*************************************************************************** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. */ +Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. +Must not be called when recv_no_ibuf_operations==TRUE. */ UNIV_INTERN ibool ibuf_page( From 19ddd9a58c7728ca78dff5f0f6da15247f01cf82 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 09:10:38 +0000 Subject: [PATCH 034/400] branches/innodb+: ibuf_print(): Add a missing local variable that has been missing since the code was merged in r2324 from branches/fts. --- ibuf/ibuf0ibuf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9aa9fb4e4ec..31d8f2c6721 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -4081,6 +4081,7 @@ ibuf_print( { #ifdef UNIV_IBUF_COUNT_DEBUG ulint i; + ulint j; #endif mutex_enter(&ibuf_mutex); From 8af53f3c3ab9b44126389fe45d92f338077629cb Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 09:18:14 +0000 Subject: [PATCH 035/400] branches/innodb+: Non-functional change: Rename all functions related to the buf_pool->watch_ fields to start with the common prefix buf_pool_watch, so that they can be searched easily: buf_pool_watch_set(): Renamed from buf_pool_add_watch(). The "add" was misleading, because only one watch can be active at a time. buf_pool_watch_clear(): Renamed from buf_pool_remove_watch(). buf_pool_watch_occurred(): Renamed from buf_pool_watch_happened(). --- buf/buf0buf.c | 28 ++++++++++++++-------------- ibuf/ibuf0ibuf.c | 2 +- include/buf0buf.h | 18 +++++++++--------- row/row0purge.c | 4 ++-- 4 files changed, 26 insertions(+), 26 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index dceb66e7102..17cf4e5bbb2 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1385,7 +1385,7 @@ Add watch for the given page to be read in. Caller must have the buffer pool mutex reserved. */ static void -buf_pool_add_watch( +buf_pool_watch_set( /*===============*/ ulint space, /* in: space id */ ulint page_no) /* in: page number */ @@ -1397,7 +1397,7 @@ buf_pool_add_watch( buf_pool->watch_active = TRUE; buf_pool->watch_space = space; - buf_pool->watch_happened = FALSE; + buf_pool->watch_occurred = FALSE; buf_pool->watch_page_no = page_no; } @@ -1405,8 +1405,8 @@ buf_pool_add_watch( Stop watching if the marked page is read in. */ UNIV_INTERN void -buf_pool_remove_watch(void) -/*=======================*/ +buf_pool_watch_clear(void) +/*======================*/ { buf_pool_mutex_enter(); @@ -1422,7 +1422,7 @@ Check if the given page is being watched and has been read to the buffer pool. */ UNIV_INTERN ibool -buf_pool_watch_happened( +buf_pool_watch_occurred( /*====================*/ /* out: TRUE if the given page is being watched and it has been read in */ @@ -1436,7 +1436,7 @@ buf_pool_watch_happened( ret = buf_pool->watch_active && space == buf_pool->watch_space && page_no == buf_pool->watch_page_no - && buf_pool->watch_happened; + && buf_pool->watch_occurred; buf_pool_mutex_exit(); @@ -1921,7 +1921,7 @@ loop2: /* Page not in buf_pool: needs to be read from file */ if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - buf_pool_add_watch(space, offset); + buf_pool_watch_set(space, offset); } buf_pool_mutex_exit(); @@ -1953,7 +1953,7 @@ loop2: complete. */ if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - buf_pool_add_watch(space, offset); + buf_pool_watch_set(space, offset); } /* The page is only being read to buffer */ @@ -2517,7 +2517,7 @@ buf_page_init_low( Set watch happened flag. */ UNIV_INLINE void -buf_page_notify_watch( +buf_pool_watch_notify( /*==================*/ ulint space, /* in: space id of page read in */ ulint offset) /* in: offset of page read in */ @@ -2528,7 +2528,7 @@ buf_page_notify_watch( && space == buf_pool->watch_space && offset == buf_pool->watch_page_no) { - buf_pool->watch_happened = TRUE; + buf_pool->watch_occurred = TRUE; } } @@ -2621,7 +2621,7 @@ buf_page_init( } buf_page_init_low(&block->page); - buf_page_notify_watch(space, offset); + buf_pool_watch_notify(space, offset); ut_ad(!block->page.in_zip_hash); ut_ad(!block->page.in_page_hash); @@ -2727,7 +2727,7 @@ err_exit2: mutex_enter(&block->mutex); buf_page_init(space, offset, block); - buf_page_notify_watch(space, offset); + buf_pool_watch_notify(space, offset); /* The block must be put to the LRU list, to the old blocks */ buf_LRU_add_block(bpage, TRUE/* to old blocks */); @@ -2804,7 +2804,7 @@ err_exit2: page_zip_get_size(&bpage->zip), bpage); buf_page_init_low(bpage); - buf_page_notify_watch(space, offset); + buf_pool_watch_notify(space, offset); bpage->state = BUF_BLOCK_ZIP_PAGE; bpage->space = space; @@ -2904,7 +2904,7 @@ buf_page_create( mutex_enter(&block->mutex); buf_page_init(space, offset, block); - buf_page_notify_watch(space, offset); + buf_pool_watch_notify(space, offset); /* The block must be put to the LRU list */ buf_LRU_add_block(&block->page, FALSE); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 31d8f2c6721..8c5771212b7 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3031,7 +3031,7 @@ ibuf_insert_low( /* Don't buffer deletes if the page has been read in to the buffer pool. */ - if (op == IBUF_OP_DELETE && buf_pool_watch_happened(space, page_no)) { + if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { err = DB_STRONG_FAIL; goto function_exit; diff --git a/include/buf0buf.h b/include/buf0buf.h index b78dfaeea9b..efd6bd92091 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -976,16 +976,16 @@ buf_get_free_list_len(void); /*=======================*/ /******************************************************************** Stop watching if the marked page is read in. */ - +UNIV_INTERN void -buf_pool_remove_watch(void); -/*=======================*/ +buf_pool_watch_clear(void); +/*======================*/ /******************************************************************** Check if the given page is being watched and has been read to the buffer pool. */ - +UNIV_INTERN ibool -buf_pool_watch_happened( +buf_pool_watch_occurred( /*====================*/ /* out: TRUE if the given page is being watched and it has been read in */ @@ -1234,12 +1234,12 @@ struct buf_pool_struct{ buf_page_in_file() == TRUE, indexed by (space_id, offset) */ /*--------------------------*/ /* Delete buffering data */ - ibool watch_active; /* if TRUE, set watch_happened to - TRUE when page watch_space/ - watch_page_no is read in. */ + ibool watch_active; /* if TRUE, set watch_occurred + when watch_space, watch_page_no + is read in. */ ulint watch_space; /* space id of watched page */ ulint watch_page_no; /* page number of watched page */ - ibool watch_happened; /* has watched page been read in */ + ibool watch_occurred; /* has watched page been read in */ /*--------------------------*/ diff --git a/row/row0purge.c b/row/row0purge.c index 9799062ccfe..c61a4a12e7b 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -361,7 +361,7 @@ row_purge_remove_sec_if_poss_low( if (success && old_has) { /* Can't remove the index record yet. */ - buf_pool_remove_watch(); + buf_pool_watch_clear(); return(TRUE); } @@ -377,7 +377,7 @@ row_purge_remove_sec_if_poss_low( btr_pcur_close(&pcur); mtr_commit(&mtr); - buf_pool_remove_watch(); + buf_pool_watch_clear(); if (!was_buffered) { /* Page read into buffer pool or delete-buffering failed. */ From c0ce3d4b2b228bd0447a4c1b6ef301765f8ca790 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 10:19:47 +0000 Subject: [PATCH 036/400] branches/innodb+: Use buf_pool_mutex_own() instead of accessing buf_pool_mutex directly. --- buf/buf0buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 17cf4e5bbb2..ce7e811dd40 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1390,7 +1390,7 @@ buf_pool_watch_set( ulint space, /* in: space id */ ulint page_no) /* in: page number */ { - ut_ad(mutex_own(&buf_pool_mutex)); + ut_ad(buf_pool_mutex_own()); /* There can't be multiple watches at the same time. */ ut_a(!buf_pool->watch_active); From 9d5971efae6ad6311c5ff3fac7be960dd5950ab4 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 10:31:18 +0000 Subject: [PATCH 037/400] branches/innodb+: Non-functional change: Use dict_index_is_ibuf() instead of accessing index->type directly. --- btr/btr0cur.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index c8f9912819a..8c9ff6648c2 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -697,7 +697,7 @@ retry_page_get: /* Go to the child node */ page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - if (index->type & DICT_IBUF && height == level) { + if (dict_index_is_ibuf(index) && height == level) { /* We're doing a search on an ibuf tree and we're one level above the leaf page. (Assuming level == 0, which it should be.) */ From 31abc4432cc37a25b5019f8b7fd021b160a2f80c Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 10:34:49 +0000 Subject: [PATCH 038/400] branches/innodb+: ibuf_index_page_calc_free(): Revert the relaxation of an assertion. --- include/ibuf0ibuf.ic | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index dd76695607b..e9f2eb57f95 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -235,7 +235,7 @@ ibuf_index_page_calc_free( 0 for uncompressed pages */ const buf_block_t* block) /* in: buffer block */ { - ut_ad(zip_size == 0 || zip_size == buf_block_get_zip_size(block)); + ut_ad(zip_size == buf_block_get_zip_size(block)); if (!zip_size) { ulint max_ins_size; From 12d060fb21cb2e7c7a74480b2e0da94c05683372 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Sep 2008 10:38:51 +0000 Subject: [PATCH 039/400] branches/innodb+: Non-functional change: ibuf_rec_get_counter(): Rename from ibuf_rec_get_fake_counter(). There is nothing fake about the counter. Also add const qualifiers to the pointers. --- btr/btr0cur.c | 2 +- ibuf/ibuf0ibuf.c | 13 +++++++------ include/ibuf0ibuf.h | 11 ++++++----- 3 files changed, 14 insertions(+), 12 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 8c9ff6648c2..e8efb2ffbe3 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -708,7 +708,7 @@ retry_page_get: & REC_INFO_MIN_REC_FLAG; if (!is_min_rec) { - cursor->ibuf_cnt = ibuf_rec_get_fake_counter(node_ptr); + cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); ut_a(cursor->ibuf_cnt <= 0xFFFF || cursor->ibuf_cnt == ULINT_UNDEFINED); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 8c5771212b7..b1be7fd3156 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1227,13 +1227,14 @@ Read the first two bytes from a record's fourth field (counter field in new records; something else in older records). */ UNIV_INTERN ulint -ibuf_rec_get_fake_counter( -/*======================*/ - /* out: "counter" field, or ULINT_UNDEFINED if for - some reason it can't be read*/ - rec_t* rec) /* in: ibuf record */ +ibuf_rec_get_counter( +/*=================*/ + /* out: "counter" field, + or ULINT_UNDEFINED if for + some reason it can't be read */ + const rec_t* rec) /* in: ibuf record */ { - byte* ptr; + const byte* ptr; ulint len; if (rec_get_n_fields_old(rec) < 4) { diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index c4d5abc1429..7b56cb41850 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -337,11 +337,12 @@ Read the first two bytes from a record's fourth field (counter field in new records; something else in older records). */ UNIV_INTERN ulint -ibuf_rec_get_fake_counter( -/*======================*/ - /* out: "counter" field, or ULINT_UNDEFINED if for - some reason it can't be read*/ - rec_t* rec); /* in: ibuf record */ +ibuf_rec_get_counter( +/*=================*/ + /* out: "counter" field, + or ULINT_UNDEFINED if for + some reason it can't be read */ + const rec_t* rec); /* in: ibuf record */ #define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO #define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO From 8a746805d93ae4805e9e315629fd35afe0755b1d Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 23 Sep 2008 08:03:49 +0000 Subject: [PATCH 040/400] branches/innodb+: row_purge_remove_sec_if_poss_low(): Remove a suspicious assignment that was added in r990 to branches/fts and merged in r2324. --- row/row0purge.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/row/row0purge.c b/row/row0purge.c index c61a4a12e7b..1c7b572e9bc 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -368,8 +368,6 @@ row_purge_remove_sec_if_poss_low( mtr_start(&mtr); - btr_cur->thr = que_node_get_parent(node); - row_search_index_entry(&was_buffered, index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); From 78324e278601c61002604e47ef9cb098723fe77e Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 23 Sep 2008 11:56:14 +0000 Subject: [PATCH 041/400] branches/innodb+: struct btr_cur_struct: leaf_in_buf_pool: Correct the comment. --- include/btr0cur.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/btr0cur.h b/include/btr0cur.h index 735727edc9c..58d60ba0722 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -673,10 +673,10 @@ struct btr_cur_struct { record' flag set), this is ULINT_UNDEFINED. */ ibool leaf_in_buf_pool; - /* in: in searches done with - BTR_CHECK_LEAF, this is TRUE if the - leaf page is in the buffer pool, - FALSE otherwise. */ + /* TRUE if the leaf page is in + the buffer pool while searching + with BTR_WATCH_LEAF; FALSE + otherwise. */ /*------------------------------*/ btr_path_t* path_arr; /* in estimating the number of rows in range, we store in this array From 1c448425af5c669a2d4fda886ae223152bf4fe12 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 24 Sep 2008 09:19:24 +0000 Subject: [PATCH 042/400] branches/innodb+: ibuf_delete(): Correctly set the free bits in the insert buffer bitmap. --- ibuf/ibuf0ibuf.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index b1be7fd3156..db0aa49b432 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3430,8 +3430,9 @@ ibuf_delete( block, index, entry, PAGE_CUR_LE, &page_cur); if (low_match == dtuple_get_n_fields(entry)) { - page_t* page; - rec_t* rec = page_cur_get_rec(&page_cur); + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + page_t* page = buf_block_get_frame(block); + rec_t* rec = page_cur_get_rec(&page_cur); /* TODO: the below should probably be a separate function, it's a bastardized version of btr_cur_optimistic_delete. */ @@ -3448,14 +3449,24 @@ ibuf_delete( lock_update_delete(block, rec); - page = buf_block_get_frame(block); - - max_ins_size = page_get_max_insert_size_after_reorganize( - page, 1); - + if (!page_zip) { + max_ins_size + = page_get_max_insert_size_after_reorganize( + page, 1); + } +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ page_cur_delete_rec(&page_cur, index, offsets, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ - ibuf_update_free_bits_low(block, max_ins_size, mtr); + if (page_zip) { + ibuf_update_free_bits_zip(block, mtr); + } else { + ibuf_update_free_bits_low(block, max_ins_size, mtr); + } if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); From 57324a68cbe7328019ed99ff16f9d2384b83ad03 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 24 Sep 2008 09:23:32 +0000 Subject: [PATCH 043/400] branches/innodb+: row_purge_remove_sec_if_poss_low(): Restore the suspicious assignment that was removed in r2670 and note why it is needed. --- row/row0purge.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/row/row0purge.c b/row/row0purge.c index 1c7b572e9bc..7e30aaa5834 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -368,6 +368,10 @@ row_purge_remove_sec_if_poss_low( mtr_start(&mtr); + /* Set the query thread, so that ibuf_insert_low() will be + able to invoke thd_get_trx(). */ + btr_cur->thr = que_node_get_parent(node); + row_search_index_entry(&was_buffered, index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); From 30443c5592e27e0d8fbbdc8e5eccc028df4aa434 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 24 Sep 2008 09:45:19 +0000 Subject: [PATCH 044/400] branches/innodb+: Merge revisions 2660:2676 from branches/zip. --- ChangeLog | 7 +++++++ btr/btr0btr.c | 43 +++++++++++++++++++++++++++++-------------- ibuf/ibuf0ibuf.c | 5 +++-- row/row0purge.c | 4 ++-- 4 files changed, 41 insertions(+), 18 deletions(-) diff --git a/ChangeLog b/ChangeLog index 1160edf714b..464c713b8c0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2008-09-19 The InnoDB Team + + * os/os0proc.c: + Fix a memory leak on Windows. The memory leak was due to wrong + parameters passed into VirtualFree() call. As the result, the + call fails with Windows error 87. + 2008-09-17 The InnoDB Team * mysql-test/innodb.result, mysql-test/innodb-zip.result, diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 49fefb10e94..4e36baa3498 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -121,10 +121,14 @@ btr_root_block_get( ut_a((ibool)!!page_is_comp(buf_block_get_frame(block)) == dict_table_is_comp(index->table)); #ifdef UNIV_BTR_DEBUG - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + buf_block_get_frame(block), space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + buf_block_get_frame(block), space)); + if (!dict_index_is_ibuf(index)) { + const page_t* root = buf_block_get_frame(block); + + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } #endif /* UNIV_BTR_DEBUG */ return(block); @@ -1151,10 +1155,15 @@ btr_root_raise_and_insert( #endif /* UNIV_ZIP_DEBUG */ index = btr_cur_get_index(cursor); #ifdef UNIV_BTR_DEBUG - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, dict_index_get_space(index))); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, dict_index_get_space(index))); + if (!dict_index_is_ibuf(index)) { + ulint space = dict_index_get_space(index); + + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } + ut_a(dict_index_get_page(index) == page_get_page_no(root)); #endif /* UNIV_BTR_DEBUG */ ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), @@ -2703,12 +2712,18 @@ btr_discard_only_page_on_level( /* The father is the root page */ #ifdef UNIV_BTR_DEBUG - const page_t* root = buf_block_get_frame(father_block); - const ulint space = dict_index_get_space(index); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); + if (!dict_index_is_ibuf(index)) { + const page_t* root + = buf_block_get_frame(father_block); + const ulint space + = dict_index_get_space(index); + ut_a(btr_root_fseg_validate( + FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate( + FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } #endif /* UNIV_BTR_DEBUG */ btr_page_empty(father_block, father_page_zip, mtr, index); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index db0aa49b432..c43b4360816 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3717,7 +3717,8 @@ ibuf_merge_or_delete_for_page( page_zip = buf_block_get_page_zip(block); if (UNIV_UNLIKELY(fil_page_get_type(block->frame) - != FIL_PAGE_INDEX)) { + != FIL_PAGE_INDEX) + || UNIV_UNLIKELY(!page_is_leaf(block->frame))) { page_t* bitmap_page; @@ -3746,7 +3747,7 @@ ibuf_merge_or_delete_for_page( "InnoDB: buffer records to page n:o %lu" " though the page\n" "InnoDB: type is %lu, which is" - " not an index page!\n" + " not an index leaf page!\n" "InnoDB: We try to resolve the problem" " by skipping the insert buffer\n" "InnoDB: merge for this page." diff --git a/row/row0purge.c b/row/row0purge.c index 7e30aaa5834..468855b994e 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -207,7 +207,7 @@ row_purge_remove_sec_if_poss_low_nonbuffered( /* out: TRUE if success or if not found */ purge_node_t* node, /* in: row purge node */ dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry */ + const dtuple_t* entry, /* in: index entry */ ulint mode) /* in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { @@ -288,7 +288,7 @@ row_purge_remove_sec_if_poss_low( /* out: TRUE if success or if not found */ purge_node_t* node, /* in: row purge node */ dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry */ + const dtuple_t* entry, /* in: index entry */ ulint mode) /* in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { From 86f06c6ed2f29c38db9503812d1679d413fff017 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 24 Sep 2008 10:50:28 +0000 Subject: [PATCH 045/400] branches/innodb+: Merge revisions 2676:2678 from branches/zip. --- row/row0umod.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/row/row0umod.c b/row/row0umod.c index f2c44df8367..85986699e51 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -429,15 +429,15 @@ row_undo_mod_del_unmark_sec_and_undo_update( mtr_t mtr; trx_t* trx = thr_get_trx(thr); - log_free_check(); - mtr_start(&mtr); - /* Ignore indexes that are being created. */ if (UNIV_UNLIKELY(*index->name == TEMP_INDEX_PREFIX)) { return(DB_SUCCESS); } + log_free_check(); + mtr_start(&mtr); + if (UNIV_UNLIKELY(!row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr))) { fputs("InnoDB: error in sec index entry del undo in\n" From 53e26c42bc3a659b88780b71d4b5328b8c2041fc Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 24 Sep 2008 17:43:12 +0000 Subject: [PATCH 046/400] branches/innodb+: row_upd_sec_index_entry(): Pass the BTR_DELETE_MARK flag to row_search_index_entry() when there are no foreign key constraints. This flag was accidentally omitted when the delete buffering was merged from branches/fts in r2324, and thus delete marking was never buffered. --- row/row0upd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/row/row0upd.c b/row/row0upd.c index 17624d1e124..5dc72642152 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1444,7 +1444,7 @@ row_upd_sec_index_entry( } found = row_search_index_entry( - &was_buffered, index, entry, BTR_MODIFY_LEAF, &pcur, &mtr); + &was_buffered, index, entry, mode, &pcur, &mtr); if (was_buffered) { /* Entry was delete marked already. */ From 1f19bd86bcda969e29ae8f6eb4430d27f0e74f1b Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 25 Sep 2008 10:31:45 +0000 Subject: [PATCH 047/400] branches/innodb+: btr_cur_search_to_nth_level(): Correct a merge error. In r2324, when changes were merged from branches/fts, the assignment guess = NULL was accidentally removed after height--. The assignment is in that place in branches/fts since r990. --- btr/btr0cur.c | 1 + 1 file changed, 1 insertion(+) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index e8efb2ffbe3..64db4174cac 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -688,6 +688,7 @@ retry_page_get: ut_ad(height > 0); height--; + guess = NULL; node_ptr = page_cur_get_rec(page_cursor); From 70fd0ce5737aca1b6fe167dec45a60ef6799ea07 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 25 Sep 2008 12:03:11 +0000 Subject: [PATCH 048/400] branches/innodb+: row_upd_sec_index_entry(): Comment the assignment to btr_cur->thr. --- row/row0upd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/row/row0upd.c b/row/row0upd.c index 5dc72642152..891506a7986 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1434,6 +1434,8 @@ row_upd_sec_index_entry( log_free_check(); mtr_start(&mtr); + /* Set the query thread, so that ibuf_insert_low() will be + able to invoke thd_get_trx(). */ btr_pcur_get_btr_cur(&pcur)->thr = thr; /* We can only try to use the insert/delete buffer to buffer From 160ea61e634b307b6c9e5993205fc248c059a975 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 26 Sep 2008 10:47:17 +0000 Subject: [PATCH 049/400] branches/innodb+: Minor cleanup. ibuf_rec_get_info(): Eliminate the local variable "mod". Use switch-case instead of if-else if-else. ibuf_rec_get_op_type(), ibuf_add_ops(), ibuf_print_ops(): Add const qualifiers to read-only parameters. ibuf_rec_get_volume(): Remove empty line at end of block. --- ibuf/ibuf0ibuf.c | 37 ++++++++++++++++--------------------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c43b4360816..45cfd7ea055 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1132,7 +1132,6 @@ ibuf_rec_get_info( const byte* types; ulint fields; ulint len; - ulint mod; /* Local variables to shadow arguments. */ ibuf_op_t op_local; @@ -1146,28 +1145,25 @@ ibuf_rec_get_info( types = rec_get_nth_field_old(rec, 3, &len); - mod = len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + info_len_local = len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; - if (mod == 0) { + switch (info_len_local) { + case 0: + case 1: op_local = IBUF_OP_INSERT; - comp_local = FALSE; - info_len_local = 0; + comp_local = info_len_local; ut_ad(!counter); + counter_local = ULINT_UNDEFINED; + break; - } else if (mod == 1) { - op_local = IBUF_OP_INSERT; - comp_local = TRUE; - info_len_local = 1; - ut_ad(!counter); - - } else if (mod == IBUF_REC_INFO_SIZE) { + case IBUF_REC_INFO_SIZE: op_local = (ibuf_op_t)types[IBUF_REC_OFFSET_TYPE]; comp_local = types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT; - info_len_local = IBUF_REC_INFO_SIZE; counter_local = mach_read_from_2( types + IBUF_REC_OFFSET_COUNTER); + break; - } else { + default: ut_error; } @@ -1198,8 +1194,8 @@ static ibuf_op_t ibuf_rec_get_op_type( /*=================*/ - /* out: operation type */ - rec_t* rec) /* in: ibuf record */ + /* out: operation type */ + const rec_t* rec) /* in: ibuf record */ { ulint len; const byte* field; @@ -1260,8 +1256,8 @@ static void ibuf_add_ops( /*=========*/ - ulint* arr, /* in/out: array to modify */ - ulint* ops) /* in: operation counts */ + ulint* arr, /* in/out: array to modify */ + const ulint* ops) /* in: operation counts */ { ulint i; @@ -1277,8 +1273,8 @@ static void ibuf_print_ops( /*===========*/ - ulint* ops, /* in: operation counts */ - FILE* file) /* in: file where to print */ + const ulint* ops, /* in: operation counts */ + FILE* file) /* in: file where to print */ { static const char* op_names[] = { "insert", @@ -1579,7 +1575,6 @@ ibuf_rec_get_volume( types = rec_get_nth_field_old(ibuf_rec, 1, &len); ut_ad(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); - } else { /* >= 4.1.x format record */ ibuf_op_t op; From 829ab8918545776f6113bc11b5f0ef139ba26ce3 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 29 Sep 2008 11:15:57 +0000 Subject: [PATCH 050/400] branches/innodb+: Remove an #ifdef around buf_block_dbg_add_level(). This could have been made as part of the merge in r2661. --- ibuf/ibuf0ibuf.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 45cfd7ea055..c5ec36d6d38 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2846,9 +2846,7 @@ ibuf_set_entry_counter( IBUF_SPACE_ID, 0, prev_page_no, RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG buf_block_dbg_add_level(block, SYNC_TREE_NODE); -#endif /* UNIV_SYNC_DEBUG */ prev_page = buf_block_get_frame(block); From 29c7db71688f5b3c3d12f2b41b8dfd19e5ccc153 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Sep 2008 07:18:11 +0000 Subject: [PATCH 051/400] branches/innodb+: Non-functional changes: ibuf_get_entry_counter_low(): Rename from ibuf_set_entry_counter_low(). This function only reads the counter. Add const qualifier to the rec parameter. ibuf_set_entry_counter(): Document the entry parameter as in/out. --- ibuf/ibuf0ibuf.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c5ec36d6d38..ccd0ebcbcc0 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2751,12 +2751,12 @@ page_no), and if so, reads counter value from it and returns that + 1. Otherwise, returns 0. */ static ulint -ibuf_set_entry_counter_low( +ibuf_get_entry_counter_low( /*=======================*/ - /* out: new counter value */ - rec_t* rec, /* in: record */ - ulint space, /* in: space id */ - ulint page_no) /* in: page number */ + /* out: new counter value */ + const rec_t* rec, /* in: insert buffer record */ + ulint space, /* in: space id */ + ulint page_no) /* in: page number */ { ulint counter; @@ -2784,7 +2784,7 @@ ibuf_set_entry_counter( /*===================*/ /* out: FALSE if we should abort this insertion to ibuf */ - dtuple_t* entry, /* in: entry to patch */ + dtuple_t* entry, /* in/out: entry to patch */ ulint space, /* in: space id of entry */ ulint page_no, /* in: page number of entry */ btr_pcur_t* pcur, /* in: pcur positioned on the record @@ -2805,7 +2805,7 @@ ibuf_set_entry_counter( if (btr_pcur_is_on_user_rec(pcur)) { - counter = ibuf_set_entry_counter_low( + counter = ibuf_get_entry_counter_low( btr_pcur_get_rec(pcur), space, page_no); } else if (btr_pcur_is_before_first_in_tree(pcur, mtr)) { @@ -2855,7 +2855,7 @@ ibuf_set_entry_counter( ut_ad(page_rec_is_user_rec(rec)); - counter = ibuf_set_entry_counter_low( + counter = ibuf_get_entry_counter_low( rec, space, page_no); if (counter < cursor->ibuf_cnt) { From 2cf9ce26fca68f434a770b8ad06ac83135158d07 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Sep 2008 10:29:23 +0000 Subject: [PATCH 052/400] branches/innodb+: Minor cleanup. ibuf_set_entry_counter(): Turn a ut_ad() assertion into ut_a(). ibuf_set_del_mark(), ibuf_delete(): Add const qualifiers to read-only parameters. --- ibuf/ibuf0ibuf.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index ccd0ebcbcc0..f07bb3d7033 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2829,7 +2829,7 @@ ibuf_set_entry_counter( counter = 0; } else { rec_t* rec; - page_t* page; + const page_t* page; buf_block_t* block; page_t* prev_page; ulint prev_page_no; @@ -2839,8 +2839,7 @@ ibuf_set_entry_counter( page = btr_pcur_get_page(pcur); prev_page_no = btr_page_get_prev(page, mtr); - ut_ad(prev_page_no != FIL_NULL); - + ut_a(prev_page_no != FIL_NULL); block = buf_page_get( IBUF_SPACE_ID, 0, prev_page_no, @@ -3374,10 +3373,10 @@ static void ibuf_set_del_mark( /*==============*/ - dtuple_t* entry, /* in: entry */ - buf_block_t* block, /* in: block */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + const dtuple_t* entry, /* in: entry */ + buf_block_t* block, /* in/out: block */ + const dict_index_t* index, /* in: record descriptor */ + mtr_t* mtr) /* in: mtr */ { page_cur_t page_cur; ulint low_match; @@ -3393,8 +3392,7 @@ ibuf_set_del_mark( page_zip_des_t* page_zip; rec = page_cur_get_rec(&page_cur); - block = page_cur_get_block(&page_cur); - page_zip = buf_block_get_page_zip(block); + page_zip = page_cur_get_page_zip(&page_cur); btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, TRUE, mtr); } else { @@ -3408,8 +3406,8 @@ static void ibuf_delete( /*========*/ - dtuple_t* entry, /* in: entry */ - buf_block_t* block, /* in: block */ + const dtuple_t* entry, /* in: entry */ + buf_block_t* block, /* in/out: block */ dict_index_t* index, /* in: record descriptor */ mtr_t* mtr) /* in: mtr */ { From 1141a8e06eaaa2c31280a0ffcb228664366eb9a2 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Sep 2008 11:21:39 +0000 Subject: [PATCH 053/400] branches/innodb+: page_zip_dir_delete(): Do not clear the last record on a secondary index leaf page, because that could break delete buffering. btr_page_get_father_node_ptr(): Remove a TODO comment regarding this. --- btr/btr0btr.c | 4 +--- page/page0zip.c | 30 +++++++++++++++++++++++------- 2 files changed, 24 insertions(+), 10 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 4e36baa3498..0465ddd6fec 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -609,9 +609,7 @@ btr_page_get_father_node_ptr( The first record from the free list can be used to find the father node. */ user_rec = page_header_get_ptr(page, PAGE_FREE); - /* TODO: make sure that delete buffering never zeroes out - the data bytes. TODO: make sure that empty pages are - never recompressed. */ + /* TODO: make sure that empty pages are never recompressed. */ ut_a(user_rec); } else { user_rec = btr_cur_get_rec(cursor); diff --git a/page/page0zip.c b/page/page0zip.c index 96ec9ec9bab..b3c3acc5d78 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -4017,9 +4017,29 @@ page_zip_dir_delete( The "owned" and "deleted" flags will be cleared. */ mach_write_to_2(slot_free, page_offset(rec)); - if (!page_is_leaf(page) || !dict_index_is_clust(index)) { + /* The compression algorithm expects info_bits and n_owned + to be 0 for deleted records. */ + rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ + + if (!page_is_leaf(page)) { ut_ad(!rec_offs_any_extern(offsets)); - goto skip_blobs; + goto clear_rec; + } + + if (!dict_index_is_clust(index)) { + ut_ad(!rec_offs_any_extern(offsets)); + + /* Do not clear the last record on a secondary index + leaf page, because that could break delete + buffering. */ + if (!page_get_n_recs(page)) { +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + return; + } + + goto clear_rec; } n_ext = rec_offs_n_extern(offsets); @@ -4049,11 +4069,7 @@ page_zip_dir_delete( memset(ext_end, 0, n_ext * BTR_EXTERN_FIELD_REF_SIZE); } -skip_blobs: - /* The compression algorithm expects info_bits and n_owned - to be 0 for deleted records. */ - rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ - +clear_rec: page_zip_clear_rec(page_zip, rec, index, offsets); } From db1cb1066d9089e7d6512af01d439f880da9b332 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Sep 2008 11:33:33 +0000 Subject: [PATCH 054/400] branches/innodb+: ibuf_rec_get_size(): Correct some bugs. rb://17 This function was created when the delete buffering code was merged from branches/fts in r2324. ibuf_rec_get_size(): Rename the parameter new_format to pre_4_1. Use the correct offsets and accessors for both values of pre_4_1. ibuf_rec_get_info(): Note that the record must be in 4.1 or later format. --- ibuf/ibuf0ibuf.c | 53 +++++++++++++++++++++++++++++------------------- 1 file changed, 32 insertions(+), 21 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index f07bb3d7033..4a71ab9c871 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1116,7 +1116,7 @@ ibuf_rec_get_space( } /******************************************************************** -Get various information about an ibuf record. */ +Get various information about an ibuf record in >= 4.1.x format. */ static void ibuf_rec_get_info( @@ -1509,32 +1509,41 @@ ibuf_rec_get_size( const rec_t* rec, /* in: ibuf record */ const byte* types, /* in: fields */ ulint n_fields, /* in: number of fields */ - ibool new_format) /* in: TRUE or FALSE */ + ibool pre_4_1) /* in: TRUE=pre-4.1 format, + FALSE=newer */ { - ulint i; - ulint offset; - ulint size = 0; + ulint i; + ulint field_offset; + ulint types_offset; + ulint size = 0; - /* 4 for compact record and 2 for old style. */ - offset = new_format ? 4 : 2; + if (pre_4_1) { + field_offset = 2; + types_offset = DATA_ORDER_NULL_TYPE_BUF_SIZE; + } else { + field_offset = 4; + types_offset = DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + } for (i = 0; i < n_fields; i++) { ulint len; - const byte* field; + dtype_t dtype; - field = rec_get_nth_field_old(rec, i + offset, &len); + rec_get_nth_field_offs_old(rec, i + field_offset, &len); - if (len == UNIV_SQL_NULL) { - dtype_t dtype; - - dtype_read_for_order_and_null_size( - &dtype, types + i - * DATA_ORDER_NULL_TYPE_BUF_SIZE); + if (len != UNIV_SQL_NULL) { + size += len; + } else if (pre_4_1) { + dtype_read_for_order_and_null_size(&dtype, types); size += dtype_get_sql_null_size(&dtype); } else { - size += len; + dtype_new_read_for_order_and_null_size(&dtype, types); + + size += dtype_get_sql_null_size(&dtype); } + + types += types_offset; } return(size); @@ -1556,8 +1565,8 @@ ibuf_rec_get_volume( const byte* data; const byte* types; ulint n_fields; - ulint data_size = 0; - ibool new_format = FALSE; + ulint data_size; + ibool pre_4_1; ut_ad(ibuf_inside()); ut_ad(rec_get_n_fields_old(ibuf_rec) > 2); @@ -1570,6 +1579,8 @@ ibuf_rec_get_volume( ut_a(trx_doublewrite_must_reset_space_ids); ut_a(!trx_sys_multiple_tablespace_format); + pre_4_1 = TRUE; + n_fields = rec_get_n_fields_old(ibuf_rec) - 2; types = rec_get_nth_field_old(ibuf_rec, 1, &len); @@ -1584,6 +1595,8 @@ ibuf_rec_get_volume( ut_a(trx_sys_multiple_tablespace_format); ut_a(*data == 0); + pre_4_1 = FALSE; + types = rec_get_nth_field_old(ibuf_rec, 3, &len); ibuf_rec_get_info(ibuf_rec, &op, &comp, &info_len, NULL); @@ -1615,11 +1628,9 @@ ibuf_rec_get_volume( types += info_len; n_fields = rec_get_n_fields_old(ibuf_rec) - 4; - - new_format = TRUE; } - data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, new_format); + data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, pre_4_1); return(data_size + rec_get_converted_extra_size(data_size, n_fields, 0) + page_dir_calc_reserved_space(1)); From 8e8f02e521e4c21a7cae188fc5075b59f0f1e8b8 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Sep 2008 18:06:38 +0000 Subject: [PATCH 055/400] branches/innodb+: row_search_index_entry(): Clean up the call interface and add assertions to callers. Remove the added ibool* parameter and return enum row_search_result instead of ibool, to reflect the four different outcomes: record found, not found, buffered, and status unknown (record not in the buffer pool). rb://6 --- include/row0row.h | 22 +++++-- row/row0purge.c | 144 ++++++++++++++++++++++++++-------------------- row/row0row.c | 32 ++++------- row/row0uins.c | 45 ++++++++------- row/row0umod.c | 79 ++++++++++++++++--------- row/row0upd.c | 43 ++++++++------ 6 files changed, 210 insertions(+), 155 deletions(-) diff --git a/include/row0row.h b/include/row0row.h index 9d2f08dde4e..310c1aaaffe 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -261,16 +261,28 @@ row_get_clust_rec( dict_index_t* index, /* in: secondary index */ dict_index_t** clust_index,/* out: clustered index */ mtr_t* mtr); /* in: mtr */ + +/* Result of row_search_index_entry */ +enum row_search_result { + ROW_FOUND = 0, /* the record was found */ + ROW_NOT_FOUND, /* record not found */ + ROW_BUFFERED, /* one of BTR_INSERT, BTR_DELETE, or + BTR_DELETE_MARK was specified, the + secondary index leaf page was not in + the buffer pool, and the operation was + enqueued in the insert/delete buffer */ + ROW_NOT_IN_POOL /* BTR_WATCH_LEAF was specified and the + record was not in the buffer pool */ +}; + /******************************************************************* Searches an index record. */ UNIV_INTERN -ibool +enum row_search_result row_search_index_entry( /*===================*/ - /* out: TRUE if found */ - ibool* was_buffered, - /* out: TRUE if the operation was buffered - in the insert/delete buffer. Can be NULL. */ + /* out: whether the record was found + or buffered */ dict_index_t* index, /* in: index */ const dtuple_t* entry, /* in: index entry */ ulint mode, /* in: BTR_MODIFY_LEAF, ... */ diff --git a/row/row0purge.c b/row/row0purge.c index 468855b994e..703ea904ffa 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -211,30 +211,41 @@ row_purge_remove_sec_if_poss_low_nonbuffered( ulint mode) /* in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool success; - ibool old_has = FALSE; /* remove warning */ - ibool found; - ulint err; - mtr_t mtr; - mtr_t* mtr_vers; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ibool success; + ibool old_has = FALSE; + ulint err; + mtr_t mtr; + mtr_t* mtr_vers; + enum row_search_result search_result; log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - if (!found) { + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + switch (search_result) { + case ROW_NOT_FOUND: /* Not found */ /* fputs("PURGE:........sec entry not found\n", stderr); */ - /* dtuple_print(entry); */ + /* dtuple_print(stderr, entry); */ - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(TRUE); + success = TRUE; + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_IN_POOL: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or + BTR_WATCH_LEAF. */ + ut_error; } btr_cur = btr_pcur_get_btr_cur(&pcur); @@ -259,7 +270,7 @@ row_purge_remove_sec_if_poss_low_nonbuffered( mem_free(mtr_vers); - if (!success || !old_has) { + if (!old_has) { /* Remove the index record */ if (mode == BTR_MODIFY_LEAF) { @@ -273,6 +284,7 @@ row_purge_remove_sec_if_poss_low_nonbuffered( } } +func_exit: btr_pcur_close(&pcur); mtr_commit(&mtr); @@ -292,65 +304,64 @@ row_purge_remove_sec_if_poss_low( ulint mode) /* in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { - mtr_t mtr; - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool found; - ibool success; - ibool was_buffered; - ibool old_has = FALSE; - ibool leaf_in_buf_pool; - - ut_a((mode == BTR_MODIFY_TREE) || (mode == BTR_MODIFY_LEAF)); + mtr_t mtr; + btr_pcur_t pcur; +#ifdef UNIV_DEBUG + ibool leaf_in_buf_pool; +#endif /* UNIV_DEBUG */ + ibool old_has = FALSE; + enum row_search_result search_result; if (mode == BTR_MODIFY_TREE) { /* Can't use the insert/delete buffer if we potentially need to split pages. */ - - return(row_purge_remove_sec_if_poss_low_nonbuffered( - node, index, entry, mode)); + goto unbuffered; } + ut_ad(mode == BTR_MODIFY_LEAF); + log_free_check(); mtr_start(&mtr); - found = row_search_index_entry( - NULL, index, entry, - BTR_SEARCH_LEAF | BTR_WATCH_LEAF, &pcur, &mtr); + search_result = row_search_index_entry( + index, entry, BTR_SEARCH_LEAF | BTR_WATCH_LEAF, &pcur, &mtr); - btr_cur = btr_pcur_get_btr_cur(&pcur); - leaf_in_buf_pool = btr_cur->leaf_in_buf_pool; - - ut_a(!found || leaf_in_buf_pool); + ut_d(leaf_in_buf_pool = btr_pcur_get_btr_cur(&pcur)->leaf_in_buf_pool); btr_pcur_close(&pcur); mtr_commit(&mtr); - if (leaf_in_buf_pool) { + switch (search_result) { + case ROW_NOT_FOUND: + /* Index entry does not exist, nothing to do. */ + ut_ad(leaf_in_buf_pool); + return(TRUE); - if (found) { - /* Index entry exists and is in the buffer pool, no - need to use the insert/delete buffer. */ + case ROW_FOUND: + /* The index entry exists and is in the buffer pool; + no need to use the insert/delete buffer. */ + ut_ad(leaf_in_buf_pool); + goto unbuffered; - return(row_purge_remove_sec_if_poss_low_nonbuffered( - node, index, entry, BTR_MODIFY_LEAF)); - } else { - /* Index entry does not exist, nothing to do. */ + case ROW_BUFFERED: + /* We did not pass any BTR_INSERT, BTR_DELETE, or + BTR_DELETE_MARK flag. Therefore, the operation must + not have been buffered yet. */ + ut_error; - return(TRUE); - } + case ROW_NOT_IN_POOL: + ut_ad(!leaf_in_buf_pool); + break; } - /* We should remove the index record if no later version of the row, - which cannot be purged yet, requires its existence. If some - requires, we should do nothing. */ + /* We should remove the index record if no later version of + the row, which cannot be purged yet, requires its existence. + If some requires, we should do nothing. */ mtr_start(&mtr); - success = row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr); - - if (success) { + if (row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr)) { old_has = row_vers_old_has_index_entry( TRUE, btr_pcur_get_rec(&node->pcur), &mtr, index, entry); @@ -358,7 +369,7 @@ row_purge_remove_sec_if_poss_low( btr_pcur_commit_specify_mtr(&node->pcur, &mtr); - if (success && old_has) { + if (old_has) { /* Can't remove the index record yet. */ buf_pool_watch_clear(); @@ -370,26 +381,35 @@ row_purge_remove_sec_if_poss_low( /* Set the query thread, so that ibuf_insert_low() will be able to invoke thd_get_trx(). */ - btr_cur->thr = que_node_get_parent(node); + btr_pcur_get_btr_cur(&pcur)->thr = que_node_get_parent(node); - row_search_index_entry(&was_buffered, index, entry, - BTR_MODIFY_LEAF | BTR_DELETE, &pcur, - &mtr); + search_result = row_search_index_entry( + index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); btr_pcur_close(&pcur); mtr_commit(&mtr); buf_pool_watch_clear(); - if (!was_buffered) { - /* Page read into buffer pool or delete-buffering failed. */ + switch (search_result) { + case ROW_NOT_FOUND: + case ROW_FOUND: + break; - return(row_purge_remove_sec_if_poss_low_nonbuffered( - node, index, entry, BTR_MODIFY_LEAF)); + case ROW_BUFFERED: + return(TRUE); + + case ROW_NOT_IN_POOL: + /* BTR_WATCH_LEAF was not specified, + so this should not occur! */ + ut_error; } - return(TRUE); + /* Page read into buffer pool or delete-buffering failed. */ +unbuffered: + return(row_purge_remove_sec_if_poss_low_nonbuffered(node, index, + entry, mode)); } /*************************************************************** diff --git a/row/row0row.c b/row/row0row.c index b0b010f45a2..cb72262ca80 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -781,13 +781,11 @@ row_get_clust_rec( /******************************************************************* Searches an index record. */ UNIV_INTERN -ibool +enum row_search_result row_search_index_entry( /*===================*/ - /* out: TRUE if found */ - ibool* was_buffered, - /* out: TRUE if the operation was buffered - in the insert/delete buffer. Can be NULL. */ + /* out: whether the record was found + or buffered */ dict_index_t* index, /* in: index */ const dtuple_t* entry, /* in: index entry */ ulint mode, /* in: BTR_MODIFY_LEAF, ... */ @@ -798,30 +796,23 @@ row_search_index_entry( ulint n_fields; ulint low_match; rec_t* rec; - ibool ret; ut_ad(dtuple_check_typed(entry)); btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); - ret = btr_pcur_was_buffered(pcur); + if (btr_pcur_was_buffered(pcur)) { - if (was_buffered) { - *was_buffered = ret; + return(ROW_BUFFERED); } - if (ret) { - /* Operation was buffered in the insert/delete buffer; - pretend that we found the record. */ - - return(TRUE); - } else if ((mode & BTR_WATCH_LEAF) - && !btr_pcur_get_btr_cur(pcur)->leaf_in_buf_pool) { + if ((mode & BTR_WATCH_LEAF) + && !btr_pcur_get_btr_cur(pcur)->leaf_in_buf_pool) { /* We did not read in the leaf page, thus we can't have found anything. */ - return(FALSE); + return(ROW_NOT_IN_POOL); } low_match = btr_pcur_get_low_match(pcur); @@ -832,14 +823,13 @@ row_search_index_entry( if (page_rec_is_infimum(rec)) { - return(FALSE); + return(ROW_NOT_FOUND); } else if (low_match != n_fields) { - /* Not found */ - return(FALSE); + return(ROW_NOT_FOUND); } - return(TRUE); + return(ROW_FOUND); } #ifndef UNIV_HOTBACKUP diff --git a/row/row0uins.c b/row/row0uins.c index 6dfb81a9ee8..a642c58e277 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -129,37 +129,40 @@ row_undo_ins_remove_sec_low( dict_index_t* index, /* in: index */ dtuple_t* entry) /* in: index entry to remove */ { - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool found; - ibool success; - ulint err; - mtr_t mtr; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ulint err; + mtr_t mtr; + enum row_search_result search_result; log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); - btr_cur = btr_pcur_get_btr_cur(&pcur); - if (!found) { - /* Not found */ + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - btr_pcur_close(&pcur); - mtr_commit(&mtr); + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); - return(DB_SUCCESS); + switch (search_result) { + case ROW_NOT_FOUND: + err = DB_SUCCESS; + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_IN_POOL: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or + BTR_WATCH_LEAF. */ + ut_error; } if (mode == BTR_MODIFY_LEAF) { - success = btr_cur_optimistic_delete(btr_cur, &mtr); - - if (success) { - err = DB_SUCCESS; - } else { - err = DB_FAIL; - } + err = btr_cur_optimistic_delete(btr_cur, &mtr) + ? DB_SUCCESS : DB_FAIL; } else { ut_ad(mode == BTR_MODIFY_TREE); @@ -172,7 +175,7 @@ row_undo_ins_remove_sec_low( btr_cur_pessimistic_delete(&err, FALSE, btr_cur, RB_NORMAL, &mtr); } - +func_exit: btr_pcur_close(&pcur); mtr_commit(&mtr); diff --git a/row/row0umod.c b/row/row0umod.c index 85986699e51..65e72bc01a0 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -295,29 +295,38 @@ row_undo_mod_del_mark_or_remove_sec_low( ulint mode) /* in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { - ibool found; - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool success; - ibool old_has; - ulint err; - mtr_t mtr; - mtr_t mtr_vers; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ibool success; + ibool old_has; + ulint err; + mtr_t mtr; + mtr_t mtr_vers; + enum row_search_result search_result; log_free_check(); mtr_start(&mtr); - found = row_search_index_entry(NULL, index, entry, mode, &pcur, &mtr); - btr_cur = btr_pcur_get_btr_cur(&pcur); - if (!found) { - /* Not found */ + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - btr_pcur_close(&pcur); - mtr_commit(&mtr); + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); - return(DB_SUCCESS); + switch (search_result) { + case ROW_NOT_FOUND: + err = DB_SUCCESS; + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_IN_POOL: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or + BTR_WATCH_LEAF. */ + ut_error; } /* We should remove the index record if no prior version of the row, @@ -366,6 +375,8 @@ row_undo_mod_del_mark_or_remove_sec_low( } btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); + +func_exit: btr_pcur_close(&pcur); mtr_commit(&mtr); @@ -421,13 +432,15 @@ row_undo_mod_del_unmark_sec_and_undo_update( dict_index_t* index, /* in: index */ dtuple_t* entry) /* in: index entry */ { - mem_heap_t* heap; - btr_pcur_t pcur; - upd_t* update; - ulint err = DB_SUCCESS; - big_rec_t* dummy_big_rec; - mtr_t mtr; - trx_t* trx = thr_get_trx(thr); + mem_heap_t* heap; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + upd_t* update; + ulint err = DB_SUCCESS; + big_rec_t* dummy_big_rec; + mtr_t mtr; + trx_t* trx = thr_get_trx(thr); + enum row_search_result search_result; /* Ignore indexes that are being created. */ if (UNIV_UNLIKELY(*index->name == TEMP_INDEX_PREFIX)) { @@ -438,8 +451,20 @@ row_undo_mod_del_unmark_sec_and_undo_update( log_free_check(); mtr_start(&mtr); - if (UNIV_UNLIKELY(!row_search_index_entry(NULL, index, entry, - mode, &pcur, &mtr))) { + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); + + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + switch (search_result) { + case ROW_BUFFERED: + case ROW_NOT_IN_POOL: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or + BTR_WATCH_LEAF. */ + ut_error; + case ROW_NOT_FOUND: fputs("InnoDB: error in sec index entry del undo in\n" "InnoDB: ", stderr); dict_index_name_print(stderr, trx, index); @@ -454,9 +479,9 @@ row_undo_mod_del_unmark_sec_and_undo_update( fputs("\n" "InnoDB: Submit a detailed bug report" " to http://bugs.mysql.com\n", stderr); - } else { - btr_cur_t* btr_cur = btr_pcur_get_btr_cur(&pcur); - + break; + case ROW_FOUND: + btr_cur = btr_pcur_get_btr_cur(&pcur); err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG, btr_cur, FALSE, thr, &mtr); ut_a(err == DB_SUCCESS); diff --git a/row/row0upd.c b/row/row0upd.c index 891506a7986..8b4c54c8959 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1407,19 +1407,18 @@ row_upd_sec_index_entry( upd_node_t* node, /* in: row update node */ que_thr_t* thr) /* in: query thread */ { - mtr_t mtr; - rec_t* rec; - btr_pcur_t pcur; - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - ibool found; - btr_cur_t* btr_cur; - ibool referenced; - ibool was_buffered; - ulint err = DB_SUCCESS; - trx_t* trx = thr_get_trx(thr); - ulint mode = BTR_MODIFY_LEAF; + mtr_t mtr; + const rec_t* rec; + btr_pcur_t pcur; + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + btr_cur_t* btr_cur; + ibool referenced; + ulint err = DB_SUCCESS; + trx_t* trx = thr_get_trx(thr); + ulint mode = BTR_MODIFY_LEAF; + enum row_search_result search_result; index = node->index; @@ -1445,10 +1444,9 @@ row_upd_sec_index_entry( mode |= BTR_DELETE_MARK; } - found = row_search_index_entry( - &was_buffered, index, entry, mode, &pcur, &mtr); - - if (was_buffered) { + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + if (search_result == ROW_BUFFERED) { /* Entry was delete marked already. */ goto close_cur; @@ -1458,7 +1456,12 @@ row_upd_sec_index_entry( rec = btr_cur_get_rec(btr_cur); - if (UNIV_UNLIKELY(!found)) { + switch (search_result) { + case ROW_BUFFERED: /* already handled above */ + case ROW_NOT_IN_POOL: /* should only occur for BTR_WATCH_LEAF */ + ut_error; + break; + case ROW_NOT_FOUND: fputs("InnoDB: error in sec index entry update in\n" "InnoDB: ", stderr); dict_index_name_print(stderr, trx, index); @@ -1475,7 +1478,8 @@ row_upd_sec_index_entry( fputs("\n" "InnoDB: Submit a detailed bug report" " to http://bugs.mysql.com\n", stderr); - } else { + break; + case ROW_FOUND: /* Delete mark the old index record; it can already be delete marked if we return after a lock wait in row_ins_index_entry below */ @@ -1501,6 +1505,7 @@ row_upd_sec_index_entry( index, offsets, thr, &mtr); } } + break; } close_cur: From 019174152b4de1525c4470a2b74c1f3aac719f5a Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 1 Oct 2008 11:14:03 +0000 Subject: [PATCH 056/400] branches/innodb+: ibuf_set_entry_counter(): Return FALSE if trying to insert after a record that has no counter field. ibuf_get_entry_counter_low(): Return ULINT_UNDEFINED if the record lacks a counter. --- ibuf/ibuf0ibuf.c | 82 ++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 65 insertions(+), 17 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 4a71ab9c871..411a6b16168 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2769,21 +2769,58 @@ ibuf_get_entry_counter_low( ulint space, /* in: space id */ ulint page_no) /* in: page number */ { - ulint counter; + ulint counter; + const byte* field; + ulint len; - if (ibuf_rec_get_space(rec) == space - && ibuf_rec_get_page_no(rec) == page_no) { + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); - ibuf_rec_get_info(rec, NULL, NULL, NULL, &counter); - ut_a(counter < 0xFFFF); - counter++; - } else { - /* No entries in ibuf tree for (space, page_no). */ + field = rec_get_nth_field_old(rec, 1, &len); - counter = 0; + if (UNIV_UNLIKELY(len != 1)) { + /* pre-4.1 format */ + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + return(ULINT_UNDEFINED); } - return(counter); + ut_a(trx_sys_multiple_tablespace_format); + + /* Check the tablespace identifier. */ + field = rec_get_nth_field_old(rec, 0, &len); + ut_a(len == 4); + + if (mach_read_from_4(field) != space) { + + return(ULINT_UNDEFINED); + } + + /* Check the page offset. */ + field = rec_get_nth_field_old(rec, 2, &len); + ut_a(len == 4); + + if (mach_read_from_4(field) != page_no) { + + return(ULINT_UNDEFINED); + } + + /* Check if the record contains a counter field. */ + field = rec_get_nth_field_old(rec, 3, &len); + + switch (len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE) { + default: + ut_error; + case 0: /* ROW_FORMAT=REDUNDANT */ + case 1: /* ROW_FORMAT=COMPACT */ + return(ULINT_UNDEFINED); + + case IBUF_REC_INFO_SIZE: + counter = mach_read_from_2(field + IBUF_REC_OFFSET_COUNTER); + ut_a(counter < 0xFFFF); + return(counter + 1); + } } /******************************************************************** @@ -2804,13 +2841,9 @@ ibuf_set_entry_counter( ibool is_optimistic, /* in: is this an optimistic insert */ mtr_t* mtr) /* in: mtr */ { - ulint counter = 0xFFFF + 1; + ulint counter; dfield_t* field; - void* data; - - /* FIXME: if pcur (or the previous rec if we're on infimum) points - to a record that has no counter field, return FALSE since we can't - mix records with counters with records without counters. */ + byte* data; /* pcur points to either a user rec or to a page's infimum record. */ @@ -2819,6 +2852,13 @@ ibuf_set_entry_counter( counter = ibuf_get_entry_counter_low( btr_pcur_get_rec(pcur), space, page_no); + if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { + /* The record lacks a counter field. + Such old records must be merged before + new records can be buffered. */ + + return(FALSE); + } } else if (btr_pcur_is_before_first_in_tree(pcur, mtr)) { /* Ibuf tree is either completely empty, or the insert position is at the very first record of a non-empty tree. In @@ -2868,6 +2908,14 @@ ibuf_set_entry_counter( counter = ibuf_get_entry_counter_low( rec, space, page_no); + if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { + /* The record lacks a counter field. + Such old records must be merged before + new records can be buffered. */ + + return(FALSE); + } + if (counter < cursor->ibuf_cnt) { /* Search ended on the wrong page. */ @@ -2907,7 +2955,7 @@ ibuf_set_entry_counter( field = dtuple_get_nth_field(entry, 3); data = dfield_get_data(field); - mach_write_to_2((byte*) data + IBUF_REC_OFFSET_COUNTER, counter); + mach_write_to_2(data + IBUF_REC_OFFSET_COUNTER, counter); return(TRUE); } From 7c2257c67378797d146255ad5d0061e13933258b Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 2 Oct 2008 05:20:32 +0000 Subject: [PATCH 057/400] branches/innodb+: Adjust decorative comment. --- ibuf/ibuf0ibuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 411a6b16168..b71d942f3fa 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2129,7 +2129,7 @@ file segment, and the thread did not own the fsp latch before this call. */ UNIV_INTERN void ibuf_free_excess_pages(void) -/*=======================*/ +/*========================*/ { ulint i; From ddf1769c4266b44a271b9106ec73082b8e4896f3 Mon Sep 17 00:00:00 2001 From: marko <> Date: Sat, 11 Oct 2008 19:37:21 +0000 Subject: [PATCH 058/400] branches/innodb+: Merge revisions 2678:2774 from branches/zip. --- ChangeLog | 52 ++ btr/btr0btr.c | 28 +- btr/btr0cur.c | 9 +- buf/buf0lru.c | 140 ++++ dict/dict0crea.c | 3 +- dict/dict0dict.c | 22 +- dict/dict0mem.c | 4 - fsp/fsp0fsp.c | 12 + handler/ha_innodb.cc | 626 +++++++++++------- handler/ha_innodb.h | 13 +- handler/handler0alter.cc | 21 +- include/dict0dict.h | 7 +- include/dict0mem.h | 9 +- include/ha_prototypes.h | 10 + include/lock0lock.h | 17 +- include/page0page.h | 3 +- include/page0page.ic | 3 +- include/page0zip.h | 20 +- include/rem0rec.h | 14 + include/row0merge.h | 18 +- include/row0mysql.h | 31 +- include/srv0srv.h | 2 - lock/lock0lock.c | 83 ++- log/log0recv.c | 10 + mysql-test/innodb-autoinc.result | 385 +++++++++++ mysql-test/innodb-autoinc.test | 213 +++++- mysql-test/innodb-index-master.opt | 1 - mysql-test/innodb-index.result | 2 + mysql-test/innodb-index.test | 10 +- mysql-test/innodb-timeout.result | 38 ++ mysql-test/innodb-timeout.test | 64 ++ mysql-test/patches/README | 4 +- mysql-test/patches/bug31231.diff | 38 -- mysql-test/patches/bug32625.diff | 10 + .../patches/index_merge_innodb-explain.diff | 31 + mysql-test/patches/information_schema.diff | 125 ++++ mysql-test/patches/innodb_file_per_table.diff | 47 ++ .../patches/innodb_lock_wait_timeout.diff | 55 ++ page/page0page.c | 31 +- page/page0zip.c | 145 +++- rem/rem0rec.c | 86 ++- row/row0merge.c | 62 +- row/row0mysql.c | 66 +- srv/srv0srv.c | 29 +- trx/trx0roll.c | 1 + 45 files changed, 2044 insertions(+), 556 deletions(-) delete mode 100644 mysql-test/innodb-index-master.opt create mode 100644 mysql-test/innodb-timeout.result create mode 100644 mysql-test/innodb-timeout.test delete mode 100644 mysql-test/patches/bug31231.diff create mode 100644 mysql-test/patches/bug32625.diff create mode 100644 mysql-test/patches/index_merge_innodb-explain.diff create mode 100644 mysql-test/patches/information_schema.diff create mode 100644 mysql-test/patches/innodb_file_per_table.diff create mode 100644 mysql-test/patches/innodb_lock_wait_timeout.diff diff --git a/ChangeLog b/ChangeLog index 464c713b8c0..77aa70fab84 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,55 @@ +2008-10-08 The InnoDB Team + + * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, + row/row0merge.c, row/row0mysql.c: When dropping a table, hold the + data dictionary latch until the transaction has been committed. + The data dictionary latch is supposed to prevent lock waits and + deadlocks in the data dictionary tables. Due to this bug, + DROP TABLE could cause a deadlock or hang. Note that because of + Bug#33650 and Bug#39833, MySQL may also drop a (temporary) table + when executing CREATE INDEX or ALTER TABLE ... ADD INDEX. + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug39438-master.opt, + mysql-test/innodb_bug39438.result, mysql-test/innodb_bug39438.test: + Fix Bug#39438 Testcase for Bug#39436 crashes on 5.1 in + fil_space_get_latch + +2008-10-04 The InnoDB Team + + * include/lock0lock.h, lock/lock0lock.c, + mysql-test/innodb_bug38231.result, mysql-test/innodb_bug38231.test, + row/row0mysql.c: + Fix Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + + LOCK / UNLOCK + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in + ::info + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h: + Fix Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed + tables + +2008-10-04 The InnoDB Team + + * dict/dict0dict.c, handler/ha_innodb.cc, handler/ha_innodb.h, + include/dict0dict.h, include/dict0mem.h, row/row0mysql.c: + Fix Bug#39830 Table autoinc value not updated on first insert + +2008-10-03 The InnoDB Team + + * mysql-test/innodb-index.test, mysql-test/innodb-index.result, + mysql-test/innodb-timeout.test, mysql-test/innodb-timeout.result, + srv/srv0srv.c, include/srv0srv.h, + handler/ha_innodb.cc, include/ha_prototypes.h: + Fix Bug#36285 innodb_lock_wait_timeout is not dynamic, not per session + 2008-09-19 The InnoDB Team * os/os0proc.c: diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 0465ddd6fec..00e56f24d25 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1198,8 +1198,8 @@ btr_root_raise_and_insert( ut_a(new_page_zip); /* Copy the page byte for byte. */ - page_zip_copy(new_page_zip, new_page, - root_page_zip, root, index, mtr); + page_zip_copy_recs(new_page_zip, new_page, + root_page_zip, root, index, mtr); } /* If this is a pessimistic insert which is actually done to @@ -1963,8 +1963,8 @@ insert_right: as appropriate. Deleting will always succeed. */ ut_a(new_page_zip); - page_zip_copy(new_page_zip, new_page, - page_zip, page, cursor->index, mtr); + page_zip_copy_recs(new_page_zip, new_page, + page_zip, page, cursor->index, mtr); page_delete_rec_list_end(move_limit - page + new_page, new_block, cursor->index, ULINT_UNDEFINED, @@ -1990,8 +1990,8 @@ insert_right: as appropriate. Deleting will always succeed. */ ut_a(new_page_zip); - page_zip_copy(new_page_zip, new_page, - page_zip, page, cursor->index, mtr); + page_zip_copy_recs(new_page_zip, new_page, + page_zip, page, cursor->index, mtr); page_delete_rec_list_start(move_limit - page + new_page, new_block, cursor->index, mtr); @@ -2353,20 +2353,23 @@ btr_lift_page_up( ut_a(page_zip); /* Copy the page byte for byte. */ - page_zip_copy(father_page_zip, father_page, - page_zip, page, index, mtr); + page_zip_copy_recs(father_page_zip, father_page, + page_zip, page, index, mtr); } lock_update_copy_and_discard(father_block, block); /* Go upward to root page, decrementing levels by one. */ for (i = 0; i < n_blocks; i++, page_level++) { - page_t* page = buf_block_get_frame(blocks[i]); + page_t* page = buf_block_get_frame(blocks[i]); + page_zip_des_t* page_zip= buf_block_get_page_zip(blocks[i]); ut_ad(btr_page_get_level(page, mtr) == page_level + 1); - btr_page_set_level(page, buf_block_get_page_zip(blocks[i]), - page_level, mtr); + btr_page_set_level(page, page_zip, page_level, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ } /* Free the file page */ @@ -2661,6 +2664,9 @@ err_exit: } ut_ad(page_validate(merge_page, index)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!merge_page_zip || page_zip_validate(merge_page_zip, merge_page)); +#endif /* UNIV_ZIP_DEBUG */ /* Free the file page */ btr_page_free(index, block, mtr); diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 64db4174cac..77310eed5bd 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -1193,7 +1193,6 @@ btr_cur_optimistic_insert( modification log. */ ulint free_space_zip = page_zip_empty_size( cursor->index->n_fields, zip_size) - 1; - ulint extra; ulint n_uniq = dict_index_get_n_unique_in_tree(index); ut_ad(dict_table_is_comp(index->table)); @@ -1203,10 +1202,10 @@ btr_cur_optimistic_insert( infinite page splits. */ if (UNIV_LIKELY(entry->n_fields >= n_uniq) - && UNIV_UNLIKELY(rec_get_converted_size_comp( - index, REC_STATUS_NODE_PTR, - entry->fields, n_uniq, - &extra) + && UNIV_UNLIKELY(REC_NODE_PTR_SIZE + + rec_get_converted_size_comp_prefix( + index, entry->fields, n_uniq, + NULL) /* On a compressed page, there is a two-byte entry in the dense page directory for every record. diff --git a/buf/buf0lru.c b/buf/buf0lru.c index ed002244ba0..ce889df3f13 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -44,6 +44,11 @@ initial segment in buf_LRU_get_recent_limit */ #define BUF_LRU_INITIAL_RATIO 8 +/* When dropping the search hash index entries before deleting an ibd +file, we build a local array of pages belonging to that tablespace +in the buffer pool. Following is the size of that array. */ +#define BUF_LRU_DROP_SEARCH_HASH_SIZE 1024 + /* If we switch on the InnoDB monitor because there are too few available frames in the buffer pool, we set this to TRUE */ UNIV_INTERN ibool buf_lru_switched_on_innodb_mon = FALSE; @@ -157,6 +162,133 @@ buf_LRU_evict_from_unzip_LRU(void) return(unzip_avg <= io_avg * BUF_LRU_IO_TO_UNZIP_FACTOR); } +/********************************************************************** +Attempts to drop page hash index on a batch of pages belonging to a +particular space id. */ +static +void +buf_LRU_drop_page_hash_batch( +/*=========================*/ + ulint space_id, /* in: space id */ + ulint zip_size, /* in: compressed page size in bytes + or 0 for uncompressed pages */ + const ulint* arr, /* in: array of page_no */ + ulint count) /* in: number of entries in array */ +{ + ulint i; + + ut_ad(arr != NULL); + ut_ad(count <= BUF_LRU_DROP_SEARCH_HASH_SIZE); + + for (i = 0; i < count; ++i) { + btr_search_drop_page_hash_when_freed(space_id, zip_size, + arr[i]); + } +} + +/********************************************************************** +When doing a DROP TABLE/DISCARD TABLESPACE we have to drop all page +hash index entries belonging to that table. This function tries to +do that in batch. Note that this is a 'best effort' attempt and does +not guarantee that ALL hash entries will be removed. */ +static +void +buf_LRU_drop_page_hash_for_tablespace( +/*==================================*/ + ulint id) /* in: space id */ +{ + buf_page_t* bpage; + ulint* page_arr; + ulint num_entries; + ulint zip_size; + + zip_size = fil_space_get_zip_size(id); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* Somehow, the tablespace does not exist. Nothing to drop. */ + ut_ad(0); + return; + } + + page_arr = ut_malloc(sizeof(ulint) + * BUF_LRU_DROP_SEARCH_HASH_SIZE); + buf_pool_mutex_enter(); + +scan_again: + num_entries = 0; + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + while (bpage != NULL) { + mutex_t* block_mutex = buf_page_get_mutex(bpage); + buf_page_t* prev_bpage; + + mutex_enter(block_mutex); + prev_bpage = UT_LIST_GET_PREV(LRU, bpage); + + ut_a(buf_page_in_file(bpage)); + + if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE + || bpage->space != id + || bpage->buf_fix_count > 0 + || bpage->io_fix != BUF_IO_NONE) { + /* We leave the fixed pages as is in this scan. + To be dealt with later in the final scan. */ + mutex_exit(block_mutex); + goto next_page; + } + + if (((buf_block_t*) bpage)->is_hashed) { + + /* Store the offset(i.e.: page_no) in the array + so that we can drop hash index in a batch + later. */ + page_arr[num_entries] = bpage->offset; + mutex_exit(block_mutex); + ut_a(num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE); + ++num_entries; + + if (num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE) { + goto next_page; + } + /* Array full. We release the buf_pool->mutex to + obey the latching order. */ + buf_pool_mutex_exit(); + + buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, + num_entries); + num_entries = 0; + buf_pool_mutex_enter(); + } else { + mutex_exit(block_mutex); + } + +next_page: + /* Note that we may have released the buf_pool mutex + above after reading the prev_bpage during processing + of a page_hash_batch (i.e.: when the array was full). + This means that prev_bpage can change in LRU list. + This is OK because this function is a 'best effort' + to drop as many search hash entries as possible and + it does not guarantee that ALL such entries will be + dropped. */ + bpage = prev_bpage; + + /* If, however, bpage has been removed from LRU list + to the free list then we should restart the scan. + bpage->state is protected by buf_pool mutex. */ + if (bpage && !buf_page_in_file(bpage)) { + ut_a(num_entries == 0); + goto scan_again; + } + } + + buf_pool_mutex_exit(); + + /* Drop any remaining batch of search hashed pages. */ + buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, num_entries); + ut_free(page_arr); +} + /********************************************************************** Invalidates all pages belonging to a given tablespace when we are deleting the data file(s) of that tablespace. */ @@ -170,6 +302,14 @@ buf_LRU_invalidate_tablespace( ulint page_no; ibool all_freed; + /* Before we attempt to drop pages one by one we first + attempt to drop page hash index entries in batches to make + it more efficient. The batching attempt is a best effort + attempt and does not guarantee that all pages hash entries + will be dropped. We get rid of remaining page hash entries + one by one below. */ + buf_LRU_drop_page_hash_for_tablespace(id); + scan_again: buf_pool_mutex_enter(); diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 75a0b49abdb..d4b3b3ae124 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -1225,7 +1225,6 @@ dict_create_or_check_foreign_constraint_tables(void) " FOR_COL_NAME CHAR, REF_COL_NAME CHAR);\n" "CREATE UNIQUE CLUSTERED INDEX ID_IND" " ON SYS_FOREIGN_COLS (ID, POS);\n" - "COMMIT WORK;\n" "END;\n" , FALSE, trx); @@ -1248,7 +1247,7 @@ dict_create_or_check_foreign_constraint_tables(void) error = DB_MUST_GET_MORE_FILE_SPACE; } - trx->op_info = ""; + trx_commit_for_mysql(trx); row_mysql_unlock_data_dictionary(trx); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 45aea0a2783..b053c968a17 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -287,8 +287,7 @@ dict_table_autoinc_lock( } /************************************************************************ -Initializes the autoinc counter. It is not an error to initialize an already -initialized counter. */ +Unconditionally set the autoinc counter. */ UNIV_INTERN void dict_table_autoinc_initialize( @@ -298,7 +297,6 @@ dict_table_autoinc_initialize( { ut_ad(mutex_own(&table->autoinc_mutex)); - table->autoinc_inited = TRUE; table->autoinc = value; } @@ -312,18 +310,9 @@ dict_table_autoinc_read( /* out: value for a new row, or 0 */ const dict_table_t* table) /* in: table */ { - ib_int64_t value; - ut_ad(mutex_own(&table->autoinc_mutex)); - if (!table->autoinc_inited) { - - value = 0; - } else { - value = table->autoinc; - } - - return(value); + return(table->autoinc); } /************************************************************************ @@ -331,14 +320,15 @@ Updates the autoinc counter if the value supplied is greater than the current value. If not inited, does nothing. */ UNIV_INTERN void -dict_table_autoinc_update( -/*======================*/ +dict_table_autoinc_update_if_greater( +/*=================================*/ dict_table_t* table, /* in/out: table */ ib_uint64_t value) /* in: value which was assigned to a row */ { - if (table->autoinc_inited && value > table->autoinc) { + ut_ad(mutex_own(&table->autoinc_mutex)); + if (value > table->autoinc) { table->autoinc = value; } } diff --git a/dict/dict0mem.c b/dict/dict0mem.c index dfd184daba6..9ede26ddb42 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -62,10 +62,6 @@ dict_mem_table_create( mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); - /* The actual increment value will be set by MySQL, we simply - default to 1 here.*/ - table->autoinc_increment = 1; - #ifdef UNIV_DEBUG table->magic_n = DICT_TABLE_MAGIC_N; #endif /* UNIV_DEBUG */ diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 4c6df8f0dfa..9864dd962dc 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -699,6 +699,7 @@ xdes_get_descriptor_with_space_hdr( MTR_MEMO_X_LOCK)); ut_ad(mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_S_FIX) || mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_offset(sp_header) == FSP_HEADER_OFFSET); /* Read free limit and space size */ limit = mach_read_from_4(sp_header + FSP_FREE_LIMIT); size = mach_read_from_4(sp_header + FSP_SIZE); @@ -1311,6 +1312,7 @@ fsp_fill_free_list( mtr_t ibuf_mtr; ut_ad(header && mtr); + ut_ad(page_offset(header) == FSP_HEADER_OFFSET); /* Check if we can fill free list from above the free list limit */ size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); @@ -1860,6 +1862,8 @@ fsp_alloc_seg_inode_page( ulint zip_size; ulint i; + ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); + space = page_get_space_id(page_align(space_header)); zip_size = dict_table_flags_to_zip_size( mach_read_from_4(FSP_SPACE_FLAGS + space_header)); @@ -1913,6 +1917,8 @@ fsp_alloc_seg_inode( ulint zip_size; ulint n; + ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); + if (flst_get_len(space_header + FSP_SEG_INODES_FREE, mtr) == 0) { /* Allocate a new segment inode page */ @@ -2392,6 +2398,7 @@ fseg_fill_free_list( ulint used; ut_ad(inode && mtr); + ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); reserved = fseg_n_reserved_pages_low(inode, &used, mtr); @@ -2452,6 +2459,8 @@ fseg_alloc_free_extent( dulint seg_id; fil_addr_t first; + ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { /* Segment free list is not empty, allocate from it */ @@ -2521,6 +2530,7 @@ fseg_alloc_free_page_low( ut_ad((direction >= FSP_UP) && (direction <= FSP_NO_DIR)); ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr); ut_ad(!ut_dulint_is_zero(seg_id)); @@ -3110,6 +3120,7 @@ fseg_mark_page_used( ulint not_full_n_used; ut_ad(seg_inode && mtr); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); descr = xdes_get_descriptor(space, zip_size, page, mtr); @@ -3172,6 +3183,7 @@ fseg_free_page_low( ut_ad(seg_inode && mtr); ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); /* Drop search system page hash index if the page is found in the pool and is hashed */ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 4d92c0e6e10..5789b0c40f0 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -128,8 +128,8 @@ static const long AUTOINC_NO_LOCKING = 2; static long innobase_mirrored_log_groups, innobase_log_files_in_group, innobase_log_buffer_size, innobase_additional_mem_pool_size, innobase_file_io_threads, - innobase_lock_wait_timeout, innobase_force_recovery, - innobase_open_files, innobase_autoinc_lock_mode; + innobase_force_recovery, innobase_open_files, + innobase_autoinc_lock_mode; static long long innobase_buffer_pool_size, innobase_log_file_size; @@ -318,6 +318,10 @@ static MYSQL_THDVAR_BOOL(strict_mode, PLUGIN_VAR_OPCMDARG, "Use strict mode when evaluating create options.", NULL, NULL, FALSE); +static MYSQL_THDVAR_ULONG(lock_wait_timeout, PLUGIN_VAR_RQCMDARG, + "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.", + NULL, NULL, 50, 1, 1024 * 1024 * 1024, 0); + static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, @@ -664,7 +668,7 @@ thd_is_select( /********************************************************************** Returns true if the thread is executing in innodb_strict_mode. */ - +extern "C" UNIV_INTERN ibool thd_is_strict( /*==========*/ @@ -674,6 +678,21 @@ thd_is_strict( return(THDVAR((THD*) thd, strict_mode)); } +/********************************************************************** +Returns the lock wait timeout for the current connection. */ +extern "C" UNIV_INTERN +ulong +thd_lock_wait_timeout( +/*==================*/ + /* out: the lock wait timeout, in seconds */ + void* thd) /* in: thread handle (THD*), or NULL to query + the global innodb_lock_wait_timeout */ +{ + /* According to , passing thd == NULL + returns the global value of the session variable. */ + return(THDVAR((THD*) thd, lock_wait_timeout)); +} + /************************************************************************ Obtain the InnoDB transaction of a MySQL thread. */ inline @@ -1085,6 +1104,79 @@ innobase_raw_format( return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); } +/************************************************************************* +Compute the next autoinc value. + +For MySQL replication the autoincrement values can be partitioned among +the nodes. The offset is the start or origin of the autoincrement value +for a particular node. For n nodes the increment will be n and the offset +will be in the interval [1, n]. The formula tries to allocate the next +value for a particular node. + +Note: This function is also called with increment set to the number of +values we want to reserve for multi-value inserts e.g., + + INSERT INTO T VALUES(), (), (); + +innobase_next_autoinc() will be called with increment set to +n * 3 where autoinc_lock_mode != TRADITIONAL because we want +to reserve 3 values for the multi-value INSERT above. */ +static +ulonglong +innobase_next_autoinc( +/*==================*/ + /* out: the next value */ + ulonglong current, /* in: Current value */ + ulonglong increment, /* in: increment current by */ + ulonglong offset, /* in: AUTOINC offset */ + ulonglong max_value) /* in: max value for type */ +{ + ulonglong next_value; + + /* Should never be 0. */ + ut_a(increment > 0); + + if (offset <= 1) { + /* Offset 0 and 1 are the same, because there must be at + least one node in the system. */ + if (max_value - current <= increment) { + next_value = max_value; + } else { + next_value = current + increment; + } + } else if (max_value > current) { + if (current > offset) { + next_value = ((current - offset) / increment) + 1; + } else { + next_value = ((offset - current) / increment) + 1; + } + + ut_a(increment > 0); + ut_a(next_value > 0); + + /* Check for multiplication overflow. */ + if (increment > (max_value / next_value)) { + + next_value = max_value; + } else { + next_value *= increment; + + /* Check for overflow. */ + if (max_value - next_value <= offset) { + next_value = max_value; + } else { + next_value += offset; + } + } + } else { + next_value = max_value; + } + + ut_a(next_value <= max_value); + + return(next_value); +} + /************************************************************************* Gets the InnoDB transaction handle for a MySQL handler object, creates an InnoDB transaction struct if the corresponding MySQL thread struct still @@ -1936,7 +2028,6 @@ innobase_init( srv_n_file_io_threads = (ulint) innobase_file_io_threads; - srv_lock_wait_timeout = (ulint) innobase_lock_wait_timeout; srv_force_recovery = (ulint) innobase_force_recovery; srv_use_doublewrite_buf = (ibool) innobase_use_doublewrite; @@ -2706,6 +2797,44 @@ normalize_table_name( #endif } +/************************************************************************ +Set the autoinc column max value. This should only be called once from +ha_innobase::open(). Therefore there's no need for a covering lock. */ + +ulint +ha_innobase::innobase_initialize_autoinc() +/*======================================*/ +{ + dict_index_t* index; + ulonglong auto_inc; + const char* col_name; + ulint error = DB_SUCCESS; + dict_table_t* innodb_table = prebuilt->table; + + col_name = table->found_next_number_field->field_name; + index = innobase_get_index(table->s->next_number_index); + + /* Execute SELECT MAX(col_name) FROM TABLE; */ + error = row_search_max_autoinc(index, col_name, &auto_inc); + + if (error == DB_SUCCESS) { + + /* At the this stage we dont' know the increment + or the offset, so use default inrement of 1. */ + ++auto_inc; + + dict_table_autoinc_initialize(innodb_table, auto_inc); + + } else { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Error: (%lu) Couldn't read " + "the MAX(%s) autoinc value from the " + "index (%s).\n", error, col_name, index->name); + } + + return(ulong(error)); +} + /********************************************************************* Creates and opens a handle to a table which already exists in an InnoDB database. */ @@ -2905,6 +3034,26 @@ retry: info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST); + /* Only if the table has an AUTOINC column. */ + if (prebuilt->table != NULL && table->found_next_number_field != NULL) { + ulint error; + + dict_table_autoinc_lock(prebuilt->table); + + /* Since a table can already be "open" in InnoDB's internal + data dictionary, we only init the autoinc counter once, the + first time the table is loaded. We can safely reuse the + autoinc value from a previous MySQL open. */ + if (dict_table_autoinc_read(prebuilt->table) == 0) { + + error = innobase_initialize_autoinc(); + /* Should always succeed! */ + ut_a(error == DB_SUCCESS); + } + + dict_table_autoinc_unlock(prebuilt->table); + } + DBUG_RETURN(0); } @@ -3714,6 +3863,59 @@ skip_field: } } +/************************************************************************ +Get the upper limit of the MySQL integral type. */ +UNIV_INTERN +ulonglong +ha_innobase::innobase_get_int_col_max_value( +/*========================================*/ + const Field* field) +{ + ulonglong max_value = 0; + + switch(field->key_type()) { + /* TINY */ + case HA_KEYTYPE_BINARY: + max_value = 0xFFULL; + break; + case HA_KEYTYPE_INT8: + max_value = 0x7FULL; + break; + /* SHORT */ + case HA_KEYTYPE_USHORT_INT: + max_value = 0xFFFFULL; + break; + case HA_KEYTYPE_SHORT_INT: + max_value = 0x7FFFULL; + break; + /* MEDIUM */ + case HA_KEYTYPE_UINT24: + max_value = 0xFFFFFFULL; + break; + case HA_KEYTYPE_INT24: + max_value = 0x7FFFFFULL; + break; + /* LONG */ + case HA_KEYTYPE_ULONG_INT: + max_value = 0xFFFFFFFFULL; + break; + case HA_KEYTYPE_LONG_INT: + max_value = 0x7FFFFFFFULL; + break; + /* BIG */ + case HA_KEYTYPE_ULONGLONG: + max_value = 0xFFFFFFFFFFFFFFFFULL; + break; + case HA_KEYTYPE_LONGLONG: + max_value = 0x7FFFFFFFFFFFFFFFULL; + break; + default: + ut_error; + } + + return(max_value); +} + /************************************************************************ This special handling is really to overcome the limitations of MySQL's binlogging. We need to eliminate the non-determinism that will arise in @@ -3721,8 +3923,8 @@ INSERT ... SELECT type of statements, since MySQL binlog only stores the min value of the autoinc interval. Once that is fixed we can get rid of the special lock handling.*/ UNIV_INTERN -ulong -ha_innobase::innobase_autoinc_lock(void) +ulint +ha_innobase::innobase_lock_autoinc(void) /*====================================*/ /* out: DB_SUCCESS if all OK else error code */ @@ -3778,7 +3980,7 @@ ha_innobase::innobase_autoinc_lock(void) /************************************************************************ Reset the autoinc value in the table.*/ UNIV_INTERN -ulong +ulint ha_innobase::innobase_reset_autoinc( /*================================*/ /* out: DB_SUCCESS if all went well @@ -3787,7 +3989,7 @@ ha_innobase::innobase_reset_autoinc( { ulint error; - error = innobase_autoinc_lock(); + error = innobase_lock_autoinc(); if (error == DB_SUCCESS) { @@ -3803,7 +4005,7 @@ ha_innobase::innobase_reset_autoinc( Store the autoinc value in the table. The autoinc value is only set if it's greater than the existing autoinc value in the table.*/ UNIV_INTERN -ulong +ulint ha_innobase::innobase_set_max_autoinc( /*==================================*/ /* out: DB_SUCCES if all went well @@ -3812,11 +4014,11 @@ ha_innobase::innobase_set_max_autoinc( { ulint error; - error = innobase_autoinc_lock(); + error = innobase_lock_autoinc(); if (error == DB_SUCCESS) { - dict_table_autoinc_update(prebuilt->table, auto_inc); + dict_table_autoinc_update_if_greater(prebuilt->table, auto_inc); dict_table_autoinc_unlock(prebuilt->table); } @@ -3961,6 +4163,7 @@ no_commit: if (auto_inc_used) { ulint err; ulonglong auto_inc; + ulonglong col_max_value; /* Note the number of rows processed for this statement, used by get_auto_increment() to determine the number of AUTO-INC @@ -3970,6 +4173,11 @@ no_commit: --trx->n_autoinc_rows; } + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + /* Get the value that MySQL attempted to store in the table.*/ auto_inc = table->next_number_field->val_int(); @@ -4007,22 +4215,19 @@ no_commit: update the table upper limit. Note: last_value will be 0 if get_auto_increment() was not called.*/ - if (auto_inc > prebuilt->last_value) { + if (auto_inc <= col_max_value + && auto_inc > prebuilt->autoinc_last_value) { set_max_autoinc: - ut_a(prebuilt->table->autoinc_increment > 0); + ut_a(prebuilt->autoinc_increment > 0); - ulonglong have; ulonglong need; + ulonglong offset; - /* Check for overflow conditions. */ - need = prebuilt->table->autoinc_increment; - have = ~0x0ULL - auto_inc; + offset = prebuilt->autoinc_offset; + need = prebuilt->autoinc_increment; - if (have < need) { - need = have; - } - - auto_inc += need; + auto_inc = innobase_next_autoinc( + auto_inc, need, offset, col_max_value); err = innobase_set_max_autoinc(auto_inc); @@ -4258,12 +4463,26 @@ ha_innobase::update_row( && (trx->duplicates & (TRX_DUP_IGNORE | TRX_DUP_REPLACE)) == TRX_DUP_IGNORE) { - longlong auto_inc; + ulonglong auto_inc; + ulonglong col_max_value; auto_inc = table->next_number_field->val_int(); - if (auto_inc != 0) { - auto_inc += prebuilt->table->autoinc_increment; + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + + if (auto_inc <= col_max_value && auto_inc != 0) { + + ulonglong need; + ulonglong offset; + + offset = prebuilt->autoinc_offset; + need = prebuilt->autoinc_increment; + + auto_inc = innobase_next_autoinc( + auto_inc, need, offset, col_max_value); error = innobase_set_max_autoinc(auto_inc); } @@ -4310,30 +4529,6 @@ ha_innobase::delete_row( ha_statistic_increment(&SSV::ha_delete_count); - /* Only if the table has an AUTOINC column */ - if (table->found_next_number_field && record == table->record[0]) { - ulonglong dummy = 0; - - /* First check whether the AUTOINC sub-system has been - initialized using the AUTOINC mutex. If not then we - do it the "proper" way, by acquiring the heavier locks. */ - dict_table_autoinc_lock(prebuilt->table); - - if (!prebuilt->table->autoinc_inited) { - dict_table_autoinc_unlock(prebuilt->table); - - error = innobase_get_auto_increment(&dummy); - - if (error == DB_SUCCESS) { - dict_table_autoinc_unlock(prebuilt->table); - } else { - goto error_exit; - } - } else { - dict_table_autoinc_unlock(prebuilt->table); - } - } - if (!prebuilt->upd_node) { row_get_prebuilt_update_vector(prebuilt); } @@ -4348,9 +4543,8 @@ ha_innobase::delete_row( innodb_srv_conc_exit_innodb(trx); -error_exit: - error = convert_error_code_to_mysql(error, - prebuilt->table->flags, user_thd); + error = convert_error_code_to_mysql( + error, prebuilt->table->flags, user_thd); /* Tell the InnoDB server that there might be work for utility threads: */ @@ -6056,7 +6250,8 @@ ha_innobase::delete_all_rows(void) if (thd_sql_command(user_thd) != SQLCOM_TRUNCATE) { fallback: /* We only handle TRUNCATE TABLE t as a special case. - DELETE FROM t will have to use ha_innobase::delete_row(). */ + DELETE FROM t will have to use ha_innobase::delete_row(), + because DELETE is transactional while TRUNCATE is not. */ DBUG_RETURN(my_errno=HA_ERR_WRONG_COMMAND); } @@ -6685,7 +6880,7 @@ ha_innobase::info( not be updated. This will force write_row() into attempting an update of the table's AUTOINC counter. */ - prebuilt->last_value = 0; + prebuilt->autoinc_last_value = 0; } stats.records = (ha_rows)n_rows; @@ -6706,9 +6901,30 @@ ha_innobase::info( so the "old" value can remain. delete_length is initialized to 0 in the ha_statistics' constructor. */ if (!(flag & HA_STATUS_NO_LOCK)) { - stats.delete_length = - fsp_get_available_space_in_free_extents( - ib_table->space) * 1024; + + /* lock the data dictionary to avoid races with + ibd_file_missing and tablespace_discarded */ + row_mysql_lock_data_dictionary(prebuilt->trx); + + /* ib_table->space must be an existent tablespace */ + if (!ib_table->ibd_file_missing + && !ib_table->tablespace_discarded) { + + stats.delete_length = + fsp_get_available_space_in_free_extents( + ib_table->space) * 1024; + } else { + + sql_print_warning( + "Trying to get the free space for " + "table %s but its tablespace has " + "been discarded or the .ibd file " + "is missing. Setting the free space " + "to zero.", ib_table->name); + stats.delete_length = 0; + } + + row_mysql_unlock_data_dictionary(prebuilt->trx); } stats.check_time = 0; @@ -6800,30 +7016,8 @@ ha_innobase::info( } } - if (flag & HA_STATUS_AUTO && table->found_next_number_field) { - ulonglong auto_inc; - int ret; - - /* The following function call can the first time fail in - a lock wait timeout error because it reserves the auto-inc - lock on the table. If it fails, then someone is already initing - the auto-inc counter, and the second call is guaranteed to - succeed. */ - - ret = innobase_read_and_init_auto_inc(&auto_inc); - - if (ret != 0) { - ret = innobase_read_and_init_auto_inc(&auto_inc); - - if (ret != 0) { - sql_print_error("Cannot get table %s auto-inc" - "counter value in ::info\n", - ib_table->name); - auto_inc = 0; - } - } - - stats.auto_increment_value = auto_inc; + if ((flag & HA_STATUS_AUTO) && table->found_next_number_field) { + stats.auto_increment_value = innobase_peek_autoinc(); } prebuilt->trx->op_info = (char*)""; @@ -7301,7 +7495,7 @@ ha_innobase::reset() it's safer to do it explicitly here. */ /* This is a statement level counter. */ - prebuilt->last_value = 0; + prebuilt->autoinc_last_value = 0; return(0); } @@ -8157,171 +8351,88 @@ ha_innobase::store_lock( return(to); } -/*********************************************************************** -This function initializes the auto-inc counter if it has not been -initialized yet. This function does not change the value of the auto-inc -counter if it already has been initialized. In parameter ret returns -the value of the auto-inc counter. */ -UNIV_INTERN -int -ha_innobase::innobase_read_and_init_auto_inc( -/*=========================================*/ - /* out: 0 or generic MySQL - error code */ - ulonglong* value) /* out: the autoinc value */ -{ - ulonglong auto_inc; - ibool stmt_start; - int mysql_error = 0; - dict_table_t* innodb_table = prebuilt->table; - ibool trx_was_not_started = FALSE; - - ut_a(prebuilt); - ut_a(prebuilt->table); - - /* Remember if we are in the beginning of an SQL statement. - This function must not change that flag. */ - stmt_start = prebuilt->sql_stat_start; - - /* Prepare prebuilt->trx in the table handle */ - update_thd(ha_thd()); - - if (prebuilt->trx->conc_state == TRX_NOT_STARTED) { - trx_was_not_started = TRUE; - } - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(prebuilt->trx); - - dict_table_autoinc_lock(prebuilt->table); - - auto_inc = dict_table_autoinc_read(prebuilt->table); - - /* Was the AUTOINC counter reset during normal processing, if - so then we simply start count from 1. No need to go to the index.*/ - if (auto_inc == 0 && innodb_table->autoinc_inited) { - ++auto_inc; - dict_table_autoinc_initialize(innodb_table, auto_inc); - } - - if (auto_inc == 0) { - dict_index_t* index; - ulint error; - const char* autoinc_col_name; - - ut_a(!innodb_table->autoinc_inited); - - index = innobase_get_index(table->s->next_number_index); - - autoinc_col_name = table->found_next_number_field->field_name; - - error = row_search_max_autoinc( - index, autoinc_col_name, &auto_inc); - - if (error == DB_SUCCESS) { - if (auto_inc < ~0x0ULL) { - ++auto_inc; - } - dict_table_autoinc_initialize(innodb_table, auto_inc); - } else { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error: (%lu) Couldn't read " - "the max AUTOINC value from the index (%s).\n", - error, index->name); - - mysql_error = 1; - } - } - - *value = auto_inc; - - dict_table_autoinc_unlock(prebuilt->table); - - /* Since MySQL does not seem to call autocommit after SHOW TABLE - STATUS (even if we would register the trx here), we commit our - transaction here if it was started here. This is to eliminate a - dangling transaction. If the user had AUTOCOMMIT=0, then SHOW - TABLE STATUS does leave a dangling transaction if the user does not - himself call COMMIT. */ - - if (trx_was_not_started) { - - innobase_commit_low(prebuilt->trx); - } - - prebuilt->sql_stat_start = stmt_start; - - return(mysql_error); -} - /******************************************************************************* -Read the next autoinc value, initialize the table if it's not initialized. -On return if there is no error then the tables AUTOINC lock is locked.*/ +Read the next autoinc value. Acquire the relevant locks before reading +the AUTOINC value. If SUCCESS then the table AUTOINC mutex will be locked +on return and all relevant locks acquired. */ UNIV_INTERN -ulong -ha_innobase::innobase_get_auto_increment( -/*=====================================*/ +ulint +ha_innobase::innobase_get_autoinc( +/*==============================*/ + /* out: DB_SUCCESS or error code */ ulonglong* value) /* out: autoinc value */ { - ulong error; + ulint error; + + *value = 0; + + error = innobase_lock_autoinc(); - *value = 0; + if (error == DB_SUCCESS) { - /* Note: If the table is not initialized when we attempt the - read below. We initialize the table's auto-inc counter and - always do a reread of the AUTOINC value. */ - do { - error = innobase_autoinc_lock(); + /* Determine the first value of the interval */ + *value = dict_table_autoinc_read(prebuilt->table); - if (error == DB_SUCCESS) { - ulonglong autoinc; + /* It should have been initialized during open. */ + ut_a(*value != 0); - /* Determine the first value of the interval */ - autoinc = dict_table_autoinc_read(prebuilt->table); + /* We need to send the messages to the client because + handler::get_auto_increment() doesn't allow a way + to return the specific error for why it failed. */ + } else if (error == DB_DEADLOCK) { + THD* thd = ha_thd(); - /* We need to initialize the AUTO-INC value, for - that we release all locks.*/ - if (autoinc == 0) { - trx_t* trx; - - trx = prebuilt->trx; - dict_table_autoinc_unlock(prebuilt->table); - - /* If we had reserved the AUTO-INC - lock in this SQL statement we release - it before retrying.*/ - row_unlock_table_autoinc_for_mysql(trx); - - /* Just to make sure */ - ut_a(!trx->auto_inc_lock); - - int mysql_error; - - mysql_error = innobase_read_and_init_auto_inc( - &autoinc); - - if (mysql_error) { - error = DB_ERROR; - } - } else { - *value = autoinc; - } - /* A deadlock error during normal processing is OK - and can be ignored. */ - } else if (error != DB_DEADLOCK) { - - sql_print_error("InnoDB: Error: %lu in " - "::innobase_get_auto_increment()", - error); - } - - } while (*value == 0 && error == DB_SUCCESS); + push_warning( + thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_LOCK_DEADLOCK, + "InnoDB: Deadlock in " + "innobase_get_autoinc()"); + } else if (error == DB_LOCK_WAIT_TIMEOUT) { + THD* thd = ha_thd(); + push_warning( + thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_LOCK_WAIT_TIMEOUT, + "InnoDB: Lock wait timeout in " + "innobase_get_autoinc()"); + } else { + sql_print_error( + "InnoDB: Error: %lu in " + "innobase_get_autoinc()", + error); + } + return(error); } + +/*********************************************************************** +This function reads the global auto-inc counter. It doesn't use the +AUTOINC lock even if the lock mode is set to TRADITIONAL. */ +UNIV_INTERN +ulonglong +ha_innobase::innobase_peek_autoinc(void) +/*====================================*/ + /* out: the autoinc value */ +{ + ulonglong auto_inc; + dict_table_t* innodb_table; + ut_a(prebuilt != NULL); + ut_a(prebuilt->table != NULL); + + innodb_table = prebuilt->table; + + dict_table_autoinc_lock(innodb_table); + + auto_inc = dict_table_autoinc_read(innodb_table); + + ut_a(auto_inc > 0); + + dict_table_autoinc_unlock(innodb_table); + + return(auto_inc); +} + /******************************************************************************* This function initializes the auto-inc counter if it has not been initialized yet. This function does not change the value of the auto-inc @@ -8346,7 +8457,7 @@ ha_innobase::get_auto_increment( /* Prepare prebuilt->trx in the table handle */ update_thd(ha_thd()); - error = innobase_get_auto_increment(&autoinc); + error = innobase_get_autoinc(&autoinc); if (error != DB_SUCCESS) { *first_value = (~(ulonglong) 0); @@ -8382,7 +8493,7 @@ ha_innobase::get_auto_increment( set_if_bigger(*first_value, autoinc); /* Not in the middle of a mult-row INSERT. */ - } else if (prebuilt->last_value == 0) { + } else if (prebuilt->autoinc_last_value == 0) { set_if_bigger(*first_value, autoinc); } @@ -8391,35 +8502,40 @@ ha_innobase::get_auto_increment( /* With old style AUTOINC locking we only update the table's AUTOINC counter after attempting to insert the row. */ if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { - ulonglong have; ulonglong need; + ulonglong next_value; + ulonglong col_max_value; + + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + col_max_value = innobase_get_int_col_max_value( + table->next_number_field); - /* Check for overflow conditions. */ need = *nb_reserved_values * increment; - have = ~0x0ULL - *first_value; - - if (have < need) { - need = have; - } /* Compute the last value in the interval */ - prebuilt->last_value = *first_value + need; + next_value = innobase_next_autoinc( + *first_value, need, offset, col_max_value); - ut_a(prebuilt->last_value >= *first_value); + prebuilt->autoinc_last_value = next_value; + + ut_a(prebuilt->autoinc_last_value >= *first_value); /* Update the table autoinc variable */ - dict_table_autoinc_update( - prebuilt->table, prebuilt->last_value); + dict_table_autoinc_update_if_greater( + prebuilt->table, prebuilt->autoinc_last_value); } else { /* This will force write_row() into attempting an update of the table's AUTOINC counter. */ - prebuilt->last_value = 0; + prebuilt->autoinc_last_value = 0; } /* The increment to be used to increase the AUTOINC value, we use this in write_row() and update_row() to increase the autoinc counter - for columns that are filled by the user.*/ - prebuilt->table->autoinc_increment = increment; + for columns that are filled by the user. We need the offset and + the increment. */ + prebuilt->autoinc_offset = offset; + prebuilt->autoinc_increment = increment; dict_table_autoinc_unlock(prebuilt->table); } @@ -8447,6 +8563,11 @@ ha_innobase::reset_auto_increment( DBUG_RETURN(error); } + /* The next value can never be 0. */ + if (value == 0) { + value = 1; + } + innobase_reset_autoinc(value); DBUG_RETURN(0); @@ -9351,11 +9472,6 @@ static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, "Helps to save your data in case the disk image of the database becomes corrupt.", NULL, NULL, 0, 0, 6, 0); -static MYSQL_SYSVAR_LONG(lock_wait_timeout, innobase_lock_wait_timeout, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back.", - NULL, NULL, 50, 1, 1024 * 1024 * 1024, 0); - static MYSQL_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "The size of the buffer which InnoDB uses to write log to the log files on disk.", diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 509e2b65cfc..1a73ea3f533 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -73,12 +73,15 @@ class ha_innobase: public handler void update_thd(); int change_active_index(uint keynr); int general_fetch(uchar* buf, uint direction, uint match_mode); - int innobase_read_and_init_auto_inc(ulonglong* ret); - ulong innobase_autoinc_lock(); - ulong innobase_set_max_autoinc(ulonglong auto_inc); - ulong innobase_reset_autoinc(ulonglong auto_inc); - ulong innobase_get_auto_increment(ulonglong* value); + ulint innobase_lock_autoinc(); + ulonglong innobase_peek_autoinc(); + ulint innobase_set_max_autoinc(ulonglong auto_inc); + ulint innobase_reset_autoinc(ulonglong auto_inc); + ulint innobase_get_autoinc(ulonglong* value); + ulint innobase_update_autoinc(ulonglong auto_inc); + ulint innobase_initialize_autoinc(); dict_index_t* innobase_get_index(uint keynr); + ulonglong innobase_get_int_col_max_value(const Field* field); /* Init values for the class: */ public: diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 1f47a189a1a..5d20e068702 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -798,7 +798,9 @@ error_handling: const char* old_name; char* tmp_name; case DB_SUCCESS: - ut_ad(!dict_locked); + ut_a(!dict_locked); + row_mysql_lock_data_dictionary(trx); + dict_locked = TRUE; if (!new_primary) { error = row_merge_rename_indexes(trx, indexed_table); @@ -819,9 +821,6 @@ error_handling: tmp_name = innobase_create_temporary_tablename(heap, '2', old_name); - row_mysql_lock_data_dictionary(trx); - dict_locked = TRUE; - error = row_merge_rename_tables(innodb_table, indexed_table, tmp_name, trx); @@ -865,6 +864,11 @@ error: if (new_primary) { row_merge_drop_table(trx, indexed_table); } else { + if (!dict_locked) { + row_mysql_lock_data_dictionary(trx); + dict_locked = TRUE; + } + row_merge_drop_indexes(trx, indexed_table, index, num_created); } @@ -1136,25 +1140,22 @@ ha_innobase::final_drop_index( row_merge_lock_table(prebuilt->trx, prebuilt->table, LOCK_X), prebuilt->table->flags, user_thd); + row_mysql_lock_data_dictionary(trx); + if (UNIV_UNLIKELY(err)) { /* Unmark the indexes to be dropped. */ - row_mysql_lock_data_dictionary(trx); - for (index = dict_table_get_first_index(prebuilt->table); index; index = dict_table_get_next_index(index)) { index->to_be_dropped = FALSE; } - row_mysql_unlock_data_dictionary(trx); goto func_exit; } /* Drop indexes marked to be dropped */ - row_mysql_lock_data_dictionary(trx); - index = dict_table_get_first_index(prebuilt->table); while (index) { @@ -1179,11 +1180,11 @@ ha_innobase::final_drop_index( #ifdef UNIV_DEBUG dict_table_check_for_dup_indexes(prebuilt->table); #endif - row_mysql_unlock_data_dictionary(trx); func_exit: trx_commit_for_mysql(trx); trx_commit_for_mysql(prebuilt->trx); + row_mysql_unlock_data_dictionary(trx); /* Flush the log to reduce probability that the .frm files and the InnoDB data dictionary get out-of-sync if the user runs diff --git a/include/dict0dict.h b/include/dict0dict.h index f279559f9fe..00d1923cb1f 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -172,8 +172,7 @@ dict_table_autoinc_lock( /*====================*/ dict_table_t* table); /* in/out: table */ /************************************************************************ -Initializes the autoinc counter. It is not an error to initialize an already -initialized counter. */ +Unconditionally set the autoinc counter. */ UNIV_INTERN void dict_table_autoinc_initialize( @@ -194,8 +193,8 @@ Updates the autoinc counter if the value supplied is equal or bigger than the current value. If not inited, does nothing. */ UNIV_INTERN void -dict_table_autoinc_update( -/*======================*/ +dict_table_autoinc_update_if_greater( +/*=================================*/ dict_table_t* table, /* in/out: table */ ib_uint64_t value); /* in: value which was assigned to a row */ diff --git a/include/dict0mem.h b/include/dict0mem.h index ce34d23041f..6c4c7c768ae 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -441,16 +441,8 @@ struct dict_table_struct{ mutex_t autoinc_mutex; /* mutex protecting the autoincrement counter */ - ibool autoinc_inited; - /* TRUE if the autoinc counter has been - inited; MySQL gets the init value by executing - SELECT MAX(auto inc column) */ ib_uint64_t autoinc;/* autoinc counter value to give to the next inserted row */ - ib_int64_t autoinc_increment; - /* The increment step of the auto increment - column. Value must be greater than or equal - to 1 */ /*----------------------*/ ulong n_waiting_or_granted_auto_inc_locks; /* This counter is used to track the number @@ -461,6 +453,7 @@ struct dict_table_struct{ acquired the AUTOINC lock or not. Of course only one transaction can be granted the lock but there can be multiple waiters. */ + /*----------------------*/ #ifdef UNIV_DEBUG ulint magic_n;/* magic number */ diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 6af3a418552..0696885720b 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -215,5 +215,15 @@ thd_is_strict( /* out: true if thd is in strict mode */ void* thd); /* in: thread handle (THD*) */ +/********************************************************************** +Returns the lock wait timeout for the current connection. */ + +ulong +thd_lock_wait_timeout( +/*==================*/ + /* out: the lock wait timeout, in seconds */ + void* thd); /* in: thread handle (THD*), or NULL to query + the global innodb_lock_wait_timeout */ + #endif #endif diff --git a/include/lock0lock.h b/include/lock0lock.h index 2d4ffc52142..27c21ccd9cc 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -513,14 +513,21 @@ void lock_cancel_waiting_and_release( /*============================*/ lock_t* lock); /* in: waiting lock request */ + /************************************************************************* -Resets all locks, both table and record locks, on a table to be dropped. -No lock is allowed to be a wait lock. */ +Removes locks on a table to be dropped or truncated. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ UNIV_INTERN void -lock_reset_all_on_table( -/*====================*/ - dict_table_t* table); /* in: table to be dropped */ +lock_remove_all_on_table( +/*=====================*/ + dict_table_t* table, /* in: table to be dropped + or truncated */ + ibool remove_also_table_sx_locks);/* in: also removes + table S and X locks */ + /************************************************************************* Calculates the fold value of a page file address: used in inserting or searching for a lock in the hash table. */ diff --git a/include/page0page.h b/include/page0page.h index f214758113b..dceba8b7714 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -695,8 +695,7 @@ void page_mem_free( /*==========*/ page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with at least - 6 bytes available, or NULL */ + page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ rec_t* rec, /* in: pointer to the (origin of) record */ dict_index_t* index, /* in: index of rec */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ diff --git a/include/page0page.ic b/include/page0page.ic index 5e93656fd94..fae11b6cda3 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -1011,8 +1011,7 @@ void page_mem_free( /*==========*/ page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with at least - 6 bytes available, or NULL */ + page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ rec_t* rec, /* in: pointer to the (origin of) record */ dict_index_t* index, /* in: index of rec */ const ulint* offsets)/* in: array returned by rec_get_offsets() */ diff --git a/include/page0zip.h b/include/page0zip.h index 1ed9a190565..37ce061de29 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -128,6 +128,18 @@ page_zip_simple_validate( Check that the compressed and decompressed pages match. */ UNIV_INTERN ibool +page_zip_validate_low( +/*==================*/ + /* out: TRUE if valid, FALSE if not */ + const page_zip_des_t* page_zip,/* in: compressed page */ + const page_t* page, /* in: uncompressed page */ + ibool sloppy) /* in: FALSE=strict, + TRUE=ignore the MIN_REC_FLAG */ + __attribute__((nonnull)); +/************************************************************************** +Check that the compressed and decompressed pages match. */ +UNIV_INTERN +ibool page_zip_validate( /*==============*/ const page_zip_des_t* page_zip,/* in: compressed page */ @@ -373,11 +385,13 @@ page_zip_reorganize( mtr_t* mtr) /* in: mini-transaction */ __attribute__((nonnull)); /************************************************************************** -Copy a page byte for byte, except for the file page header and trailer. */ +Copy the records of a page byte for byte. Do not copy the page header +or trailer, except those B-tree header fields that are directly +related to the storage of records. */ UNIV_INTERN void -page_zip_copy( -/*==========*/ +page_zip_copy_recs( +/*===============*/ page_zip_des_t* page_zip, /* out: copy of src_zip (n_blobs, m_start, m_end, m_nonempty, data[0..size-1]) */ diff --git a/include/rem0rec.h b/include/rem0rec.h index dccaf03aac2..f51967917fc 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -693,6 +693,20 @@ rec_get_converted_extra_size( ulint n_ext) /* in: number of externally stored columns */ __attribute__((const)); /************************************************************** +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. */ +UNIV_INTERN +ulint +rec_get_converted_size_comp_prefix( +/*===============================*/ + /* out: total size */ + const dict_index_t* index, /* in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + const dfield_t* fields, /* in: array of data fields */ + ulint n_fields,/* in: number of data fields */ + ulint* extra); /* out: extra size */ +/************************************************************** Determines the size of a data tuple in ROW_FORMAT=COMPACT. */ UNIV_INTERN ulint diff --git a/include/row0merge.h b/include/row0merge.h index 000b00680fc..9784e1b99ac 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -54,7 +54,9 @@ row_merge_lock_table( dict_table_t* table, /* in: table to lock */ enum lock_mode mode); /* in: LOCK_X or LOCK_S */ /************************************************************************* -Drop an index from the InnoDB system tables. */ +Drop an index from the InnoDB system tables. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ UNIV_INTERN void row_merge_drop_index( @@ -63,8 +65,10 @@ row_merge_drop_index( dict_table_t* table, /* in: table */ trx_t* trx); /* in: transaction handle */ /************************************************************************* -Drop those indexes which were created before an error occurred -when building an index. */ +Drop those indexes which were created before an error occurred when +building an index. The data dictionary must have been locked +exclusively by the caller, because the transaction will not be +committed. */ UNIV_INTERN void row_merge_drop_indexes( @@ -80,7 +84,9 @@ void row_merge_drop_temp_indexes(void); /*=============================*/ /************************************************************************* -Rename the tables in the data dictionary. */ +Rename the tables in the data dictionary. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ UNIV_INTERN ulint row_merge_rename_tables( @@ -109,7 +115,9 @@ row_merge_create_temporary_table( trx_t* trx); /* in/out: transaction (sets error_state) */ /************************************************************************* -Rename the temporary indexes in the dictionary to permanent ones. */ +Rename the temporary indexes in the dictionary to permanent ones. The +data dictionary must have been locked exclusively by the caller, +because the transaction will not be committed. */ UNIV_INTERN ulint row_merge_rename_indexes( diff --git a/include/row0mysql.h b/include/row0mysql.h index 6851e357dd8..737911c7b88 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -411,10 +411,12 @@ row_truncate_table_for_mysql( dict_table_t* table, /* in: table handle */ trx_t* trx); /* in: transaction handle */ /************************************************************************* -Drops a table for MySQL. If the name of the dropped table ends in +Drops a table for MySQL. If the name of the dropped table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor -output by the master thread. */ +output by the master thread. If the data dictionary was not already locked +by the transaction, the transaction will be committed. Otherwise, the +data dictionary will remain locked. */ UNIV_INTERN int row_drop_table_for_mysql( @@ -425,20 +427,6 @@ row_drop_table_for_mysql( ibool drop_db);/* in: TRUE=dropping whole database */ /************************************************************************* -Drops a table for MySQL but does not commit the transaction. If the -name of the dropped table ends in one of "innodb_monitor", -"innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also stop the printing of -monitor output by the master thread. */ -UNIV_INTERN -int -row_drop_table_for_mysql_no_commit( -/*===============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx, /* in: transaction handle */ - ibool drop_db);/* in: TRUE=dropping whole database */ -/************************************************************************* Discards the tablespace of a table which stored in an .ibd file. Discarding means that this function deletes the .ibd file and assigns a new table id for the table. Also the flag table->ibd_file_missing is set TRUE. */ @@ -708,7 +696,16 @@ struct row_prebuilt_struct { to this heap */ mem_heap_t* old_vers_heap; /* memory heap where a previous version is built in consistent read */ - ulonglong last_value; /* last value of AUTO-INC interval */ + /*----------------------*/ + ulonglong autoinc_last_value;/* last value of AUTO-INC interval */ + ulonglong autoinc_increment;/* The increment step of the auto + increment column. Value must be + greater than or equal to 1. Required to + calculate the next value */ + ulonglong autoinc_offset; /* The offset passed to + get_auto_increment() by MySQL. Required + to calculate the next value */ + /*----------------------*/ UT_LIST_NODE_T(row_prebuilt_t) prebuilts; /* list node of table->prebuilts */ ulint magic_n2; /* this should be the same as diff --git a/include/srv0srv.h b/include/srv0srv.h index 230e25382f6..c8fff734797 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -107,8 +107,6 @@ extern ibool srv_archive_recovery; extern dulint srv_archive_recovery_limit_lsn; #endif /* UNIV_LOG_ARCHIVE */ -extern ulint srv_lock_wait_timeout; - extern char* srv_file_flush_method_str; extern ulint srv_unix_file_flush_method; extern ulint srv_win_file_flush_method; diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 0bba907e8b1..9a307d9b7b4 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -4066,15 +4066,25 @@ lock_cancel_waiting_and_release( trx_end_lock_wait(lock->trx); } +/* True if a lock mode is S or X */ +#define IS_LOCK_S_OR_X(lock) \ + (lock_get_mode(lock) == LOCK_S \ + || lock_get_mode(lock) == LOCK_X) + + /************************************************************************* -Resets all record and table locks of a transaction on a table to be dropped. -No lock is allowed to be a wait lock. */ +Removes locks of a transaction on a table to be dropped. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ static void -lock_reset_all_on_table_for_trx( -/*============================*/ - dict_table_t* table, /* in: table to be dropped */ - trx_t* trx) /* in: a transaction */ +lock_remove_all_on_table_for_trx( +/*=============================*/ + dict_table_t* table, /* in: table to be dropped */ + trx_t* trx, /* in: a transaction */ + ibool remove_also_table_sx_locks)/* in: also removes + table S and X locks */ { lock_t* lock; lock_t* prev_lock; @@ -4092,7 +4102,9 @@ lock_reset_all_on_table_for_trx( lock_rec_discard(lock); } else if (lock_get_type_low(lock) & LOCK_TABLE - && lock->un_member.tab_lock.table == table) { + && lock->un_member.tab_lock.table == table + && (remove_also_table_sx_locks + || !IS_LOCK_S_OR_X(lock))) { ut_a(!lock_get_wait(lock)); @@ -4104,26 +4116,65 @@ lock_reset_all_on_table_for_trx( } /************************************************************************* -Resets all locks, both table and record locks, on a table to be dropped. -No lock is allowed to be a wait lock. */ +Removes locks on a table to be dropped or truncated. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ UNIV_INTERN void -lock_reset_all_on_table( -/*====================*/ - dict_table_t* table) /* in: table to be dropped */ +lock_remove_all_on_table( +/*=====================*/ + dict_table_t* table, /* in: table to be dropped + or truncated */ + ibool remove_also_table_sx_locks)/* in: also removes + table S and X locks */ { lock_t* lock; + lock_t* prev_lock; mutex_enter(&kernel_mutex); lock = UT_LIST_GET_FIRST(table->locks); - while (lock) { - ut_a(!lock_get_wait(lock)); + while (lock != NULL) { - lock_reset_all_on_table_for_trx(table, lock->trx); + prev_lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, + lock); - lock = UT_LIST_GET_FIRST(table->locks); + /* If we should remove all locks (remove_also_table_sx_locks + is TRUE), or if the lock is not table-level S or X lock, + then check we are not going to remove a wait lock. */ + if (remove_also_table_sx_locks + || !(lock_get_type(lock) == LOCK_TABLE + && IS_LOCK_S_OR_X(lock))) { + + ut_a(!lock_get_wait(lock)); + } + + lock_remove_all_on_table_for_trx(table, lock->trx, + remove_also_table_sx_locks); + + if (prev_lock == NULL) { + if (lock == UT_LIST_GET_FIRST(table->locks)) { + /* lock was not removed, pick its successor */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, lock); + } else { + /* lock was removed, pick the first one */ + lock = UT_LIST_GET_FIRST(table->locks); + } + } else if (UT_LIST_GET_NEXT(un_member.tab_lock.locks, + prev_lock) != lock) { + /* If lock was removed by + lock_remove_all_on_table_for_trx() then pick the + successor of prev_lock ... */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, prev_lock); + } else { + /* ... otherwise pick the successor of lock. */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, lock); + } } mutex_exit(&kernel_mutex); diff --git a/log/log0recv.c b/log/log0recv.c index 59015852db5..a36eabce9a4 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1341,6 +1341,16 @@ recv_recover_page( recv = UT_LIST_GET_NEXT(rec_list, recv); } +#ifdef UNIV_ZIP_DEBUG + if (fil_page_get_type(page) == FIL_PAGE_INDEX) { + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + + if (page_zip) { + ut_a(page_zip_validate_low(page_zip, page, FALSE)); + } + } +#endif /* UNIV_ZIP_DEBUG */ + mutex_enter(&(recv_sys->mutex)); if (recv_max_page_lsn < page_lsn) { diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index 70cdc67f77e..589bf2f30b0 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -196,3 +196,388 @@ c1 c2 3 8 5 9 DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(5),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +5 +10 +110 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +c1 +5 +10 +110 +250 +310 +400 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(0); +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +-1 +1 +2 +10 +110 +250 +410 +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +Got one of the listed errors +SELECT * FROM t1; +c1 +-1 +1 +2 +10 +110 +250 +410 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +c1 +-1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +-2 +-1 +1 +2 +10 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +c1 +-2 +-1 +1 +2 +10 +250 +310 +400 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (250); +INSERT INTO t1 VALUES (NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +310 +400 +1000 +1010 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +410 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +Got one of the listed errors +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (9223372036854775794); +SELECT * FROM t1; +c1 +1 +9223372036854775794 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 2 +auto_increment_offset 10 +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +c1 +1 +9223372036854775794 +9223372036854775796 +9223372036854775798 +9223372036854775800 +9223372036854775802 +9223372036854775804 +9223372036854775806 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 2 +auto_increment_offset 10 +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +c1 +0 +1 +18446744073709551603 +18446744073709551604 +18446744073709551606 +18446744073709551608 +18446744073709551610 +18446744073709551612 +18446744073709551614 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 5 +auto_increment_offset 7 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +Got one of the listed errors +SELECT * FROM t1; +c1 +1 +18446744073709551603 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(-9223372036854775806); +INSERT INTO t1 VALUES(-9223372036854775807); +INSERT INTO t1 VALUES(-9223372036854775808); +SELECT * FROM t1; +c1 +-9223372036854775808 +-9223372036854775807 +-9223372036854775806 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 3 +auto_increment_offset 3 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +c1 +-9223372036854775808 +-9223372036854775807 +-9223372036854775806 +1 +3 +6 +9 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551610); +SELECT * FROM t1; +c1 +1 +18446744073709551610 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; +Warnings: +Warning 1292 Truncated incorrect auto_increment_increment value: '1152921504606846976' +Warning 1292 Truncated incorrect auto_increment_offset value: '1152921504606846976' +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 65535 +auto_increment_offset 65535 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +c1 +1 +65534 +65535 +18446744073709551610 +18446744073709551615 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index 1c97364199b..172913349db 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -156,7 +156,218 @@ DROP TABLE IF EXISTS t1; CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; INSERT INTO t1 VALUES (NULL, 1); DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1), (NULL, 8); +INSERT INTO t1 VALUES (2,1), (NULL, 8); INSERT INTO t1 VALUES (NULL,9); SELECT * FROM t1; DROP TABLE t1; + +# +# Test changes to AUTOINC next value calculation +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(5),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with SIGNED INT column, by inserting a 0 for the first column value +# 0 is treated in the same was NULL. +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(0); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +SET @@INSERT_ID=400; +# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with SIGNED INT column +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with UNSIGNED INT column, single insert +# The sign in the value is ignored and a new column value is generated +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (250); +INSERT INTO t1 VALUES (NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with UNSIGNED INT column, multi-value inserts +# The sign in the value is ignored and a new column value is generated +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment is > 1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (9223372036854775794); -- 2^63 - 14 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should just fit +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment and offser are > 1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); -- 2^64 - 13 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't, it seems to be +# a MySQL server bug. It wraps around to 0 for the last value. +# See MySQL Bug# 39828 +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment and offset are odd numbers +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); -- 2^64 - 13 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't. It fails with +# a duplicate entry message because of a MySQL server bug, it wraps +# around. See MySQL Bug# 39828, once MySQL fix the bug we can replace +# the ER_DUP_ENTRY, 1062 below with the appropriate error message +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Check for overflow handling when increment and offset are odd numbers +# and check for large -ve numbers +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(-9223372036854775806); -- -2^63 + 2 +INSERT INTO t1 VALUES(-9223372036854775807); -- -2^63 + 1 +INSERT INTO t1 VALUES(-9223372036854775808); -- -2^63 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +DROP TABLE t1; +# +# Check for overflow handling when increment and offset are very +# large numbers 2^60 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551610); -- 2^64 - 2 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't. It wraps around +# and the autoinc values look bogus too. +# See MySQL Bug# 39828, once MySQL fix the bug we can enable the error +# code expected test. +# -- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-index-master.opt b/mysql-test/innodb-index-master.opt deleted file mode 100644 index 462f8fbe828..00000000000 --- a/mysql-test/innodb-index-master.opt +++ /dev/null @@ -1 +0,0 @@ ---innodb_lock_wait_timeout=1 diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 807b337a720..c60acf3d029 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -847,10 +847,12 @@ create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; insert into t2 select a,left(b,255) from t1; drop table t1; rename table t2 to t1; +set innodb_lock_wait_timeout=1; begin; select a from t1 limit 1 for update; a 22 +set innodb_lock_wait_timeout=1; create index t1ba on t1 (b,a); ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 81354dfd4c1..d4578accf6f 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -304,10 +304,12 @@ rename table t2 to t1; connect (a,localhost,root,,); connect (b,localhost,root,,); connection a; +set innodb_lock_wait_timeout=1; begin; # Obtain an IX lock on the table select a from t1 limit 1 for update; connection b; +set innodb_lock_wait_timeout=1; # This would require an S lock on the table, conflicting with the IX lock. --error ER_LOCK_WAIT_TIMEOUT create index t1ba on t1 (b,a); @@ -467,20 +469,20 @@ CREATE TABLE t2( PRIMARY KEY (c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; ---replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ --error ER_CANT_CREATE_TABLE ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); ---replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ --error ER_CANT_CREATE_TABLE ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); ---replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ --error ER_CANT_CREATE_TABLE ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; ---replace_regex /'test\.#sql-[0-9a-f-]*_1'/'#sql-temporary'/ +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ --error ER_CANT_CREATE_TABLE ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); diff --git a/mysql-test/innodb-timeout.result b/mysql-test/innodb-timeout.result new file mode 100644 index 00000000000..be9a688cd72 --- /dev/null +++ b/mysql-test/innodb-timeout.result @@ -0,0 +1,38 @@ +set global innodb_lock_wait_timeout=42; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +1 +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set global innodb_lock_wait_timeout=347; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +1 +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +347 +create table t1(a int primary key)engine=innodb; +begin; +insert into t1 values(1),(2),(3); +select * from t1 for update; +commit; +a +1 +2 +3 +begin; +insert into t1 values(4); +select * from t1 for update; +commit; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +drop table t1; +set global innodb_lock_wait_timeout=50; diff --git a/mysql-test/innodb-timeout.test b/mysql-test/innodb-timeout.test new file mode 100644 index 00000000000..f23fe3cff2d --- /dev/null +++ b/mysql-test/innodb-timeout.test @@ -0,0 +1,64 @@ +-- source include/have_innodb.inc + +let $timeout=`select @@innodb_lock_wait_timeout`; +set global innodb_lock_wait_timeout=42; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); + +connection a; +select @@innodb_lock_wait_timeout; +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; + +connection b; +select @@innodb_lock_wait_timeout; +set global innodb_lock_wait_timeout=347; +select @@innodb_lock_wait_timeout; +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; + +connect (c,localhost,root,,); +connection c; +select @@innodb_lock_wait_timeout; +connection default; +disconnect c; + +connection a; +create table t1(a int primary key)engine=innodb; +begin; +insert into t1 values(1),(2),(3); + +connection b; +--send +select * from t1 for update; + +connection a; +commit; + +connection b; +reap; + +connection a; +begin; +insert into t1 values(4); + +connection b; +--send +select * from t1 for update; + +connection a; +sleep 2; +commit; + +connection b; +--error ER_LOCK_WAIT_TIMEOUT +reap; +drop table t1; + +connection default; + +disconnect a; +disconnect b; + +eval set global innodb_lock_wait_timeout=$timeout; diff --git a/mysql-test/patches/README b/mysql-test/patches/README index ab159f4f870..122d756e9e3 100644 --- a/mysql-test/patches/README +++ b/mysql-test/patches/README @@ -8,7 +8,7 @@ in mind when adding new patches here: * The patch filename must end in ".diff". * All patches here are expected to apply cleanly to the latest MySQL 5.1 - tree with storage/innobase is replaced with this InnoDB branch. If + tree when storage/innobase is replaced with this InnoDB branch. If changes to either of those cause the patch to fail, then please check whether the patch is still needed and, if yes, adjust it so it applies cleanly. @@ -19,7 +19,7 @@ in mind when adding new patches here: * If the patch cannot be proposed for inclusion in the MySQL source tree (via http://bugs.mysql.com) then add a comment at the beginning of the - patch explaining the problem it is solving, how it does solve it and + patch, explaining the problem it is solving, how it does solve it and why it is not applicable for inclusion in the MySQL source tree. Obviously this is a very bad situation and should be avoided at all costs, especially for files that are in the MySQL source repository diff --git a/mysql-test/patches/bug31231.diff b/mysql-test/patches/bug31231.diff deleted file mode 100644 index 1e009e89e6b..00000000000 --- a/mysql-test/patches/bug31231.diff +++ /dev/null @@ -1,38 +0,0 @@ -diff -pu sql/mysql_priv.h sql/mysql_priv.h ---- sql/mysql_priv.h 2007-11-14 15:28:19.000000000 +0200 -+++ sql/mysql_priv.h 2008-01-08 10:45:53.000000000 +0200 -@@ -2094,6 +2094,7 @@ uint build_table_shadow_filename(char *b - #define FN_TO_IS_TMP (1 << 1) - #define FN_IS_TMP (FN_FROM_IS_TMP | FN_TO_IS_TMP) - #define NO_FRM_RENAME (1 << 2) -+#define FN_FRM_ONLY (1 << 3) - - /* from hostname.cc */ - struct in_addr; -diff -pu sql/sql_table.cc sql/sql_table.cc ---- sql/sql_table.cc 2007-11-02 00:48:11.000000000 +0200 -+++ sql/sql_table.cc 2008-01-08 10:46:04.000000000 +0200 -@@ -1791,8 +1791,9 @@ bool quick_rm_table(handlerton *base,con - if (my_delete(path,MYF(0))) - error= 1; /* purecov: inspected */ - path[path_length - reg_ext_length]= '\0'; // Remove reg_ext -- DBUG_RETURN(ha_delete_table(current_thd, base, path, db, table_name, 0) || -- error); -+ if (!(flags & FN_FRM_ONLY)) -+ error|= ha_delete_table(current_thd, base, path, db, table_name, 0); -+ DBUG_RETURN(error); - } - - /* -@@ -6680,7 +6681,10 @@ err1: - close_temporary_table(thd, new_table, 1, 1); - } - else -- VOID(quick_rm_table(new_db_type, new_db, tmp_name, FN_IS_TMP)); -+ VOID(quick_rm_table(new_db_type, new_db, tmp_name, -+ create_info->frm_only -+ ? FN_IS_TMP | FN_FRM_ONLY -+ : FN_IS_TMP)); - - err: - /* diff --git a/mysql-test/patches/bug32625.diff b/mysql-test/patches/bug32625.diff new file mode 100644 index 00000000000..dcedcb1fa79 --- /dev/null +++ b/mysql-test/patches/bug32625.diff @@ -0,0 +1,10 @@ +--- mysql-test/t/type_bit_innodb.test.orig 2008-10-07 11:32:32.000000000 +0300 ++++ mysql-test/t/type_bit_innodb.test 2008-10-07 11:56:40.000000000 +0300 +@@ -40,6 +40,7 @@ + create table t1 (a bit) engine=innodb; + insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001'); + select hex(a) from t1; ++--replace_regex /entry '(.*)' for/entry '' for/ + --error ER_DUP_ENTRY + alter table t1 add unique (a); + drop table t1; diff --git a/mysql-test/patches/index_merge_innodb-explain.diff b/mysql-test/patches/index_merge_innodb-explain.diff new file mode 100644 index 00000000000..d1ed8afc778 --- /dev/null +++ b/mysql-test/patches/index_merge_innodb-explain.diff @@ -0,0 +1,31 @@ +InnoDB's estimate for the index cardinality depends on a pseudo random +number generator (it picks up random pages to sample). After an +optimization that was made in r2625 the following EXPLAINs started +returning a different number of rows (3 instead of 4). + +This patch adjusts the result file. + +This patch cannot be proposed to MySQL because the failures occur only +in this tree and do not occur in the standard InnoDB 5.1. Furthermore, +the file index_merge2.inc is used by other engines too. + +--- mysql-test/r/index_merge_innodb.result.orig 2008-09-30 18:32:13.000000000 +0300 ++++ mysql-test/r/index_merge_innodb.result 2008-09-30 18:33:01.000000000 +0300 +@@ -111,7 +111,7 @@ + explain select count(*) from t1 where + key1a = 2 and key1b is null and key2a = 2 and key2b is null; + id select_type table type possible_keys key key_len ref rows Extra +-1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 4 Using intersect(i1,i2); Using where; Using index ++1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 3 Using intersect(i1,i2); Using where; Using index + select count(*) from t1 where + key1a = 2 and key1b is null and key2a = 2 and key2b is null; + count(*) +@@ -119,7 +119,7 @@ + explain select count(*) from t1 where + key1a = 2 and key1b is null and key3a = 2 and key3b is null; + id select_type table type possible_keys key key_len ref rows Extra +-1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 4 Using intersect(i1,i3); Using where; Using index ++1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 3 Using intersect(i1,i3); Using where; Using index + select count(*) from t1 where + key1a = 2 and key1b is null and key3a = 2 and key3b is null; + count(*) diff --git a/mysql-test/patches/information_schema.diff b/mysql-test/patches/information_schema.diff new file mode 100644 index 00000000000..31237197a45 --- /dev/null +++ b/mysql-test/patches/information_schema.diff @@ -0,0 +1,125 @@ +diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema.result +--- mysql-test/r/information_schema.result.orig 2008-08-04 09:27:49.000000000 +0300 ++++ mysql-test/r/information_schema.result 2008-10-07 11:21:51.000000000 +0300 +@@ -64,6 +64,13 @@ + TRIGGERS + USER_PRIVILEGES + VIEWS ++INNODB_CMP_RESET ++INNODB_TRX ++INNODB_CMPMEM_RESET ++INNODB_LOCK_WAITS ++INNODB_CMPMEM ++INNODB_CMP ++INNODB_LOCKS + columns_priv + db + event +@@ -795,6 +802,8 @@ + TABLES UPDATE_TIME datetime + TABLES CHECK_TIME datetime + TRIGGERS CREATED datetime ++INNODB_TRX trx_started datetime ++INNODB_TRX trx_wait_started datetime + event execute_at datetime + event last_executed datetime + event starts datetime +@@ -848,7 +857,7 @@ + flush privileges; + SELECT table_schema, count(*) FROM information_schema.TABLES where table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA; + table_schema count(*) +-information_schema 28 ++information_schema 35 + mysql 22 + create table t1 (i int, j int); + create trigger trg1 before insert on t1 for each row +@@ -1263,6 +1272,13 @@ + TRIGGERS TRIGGER_SCHEMA + USER_PRIVILEGES GRANTEE + VIEWS TABLE_SCHEMA ++INNODB_CMP_RESET page_size ++INNODB_TRX trx_id ++INNODB_CMPMEM_RESET page_size ++INNODB_LOCK_WAITS requesting_trx_id ++INNODB_CMPMEM page_size ++INNODB_CMP page_size ++INNODB_LOCKS lock_id + SELECT t.table_name, c1.column_name + FROM information_schema.tables t + INNER JOIN +@@ -1306,6 +1322,13 @@ + TRIGGERS TRIGGER_SCHEMA + USER_PRIVILEGES GRANTEE + VIEWS TABLE_SCHEMA ++INNODB_CMP_RESET page_size ++INNODB_TRX trx_id ++INNODB_CMPMEM_RESET page_size ++INNODB_LOCK_WAITS requesting_trx_id ++INNODB_CMPMEM page_size ++INNODB_CMP page_size ++INNODB_LOCKS lock_id + SELECT MAX(table_name) FROM information_schema.tables; + MAX(table_name) + VIEWS +@@ -1382,6 +1405,13 @@ + FILES information_schema.FILES 1 + GLOBAL_STATUS information_schema.GLOBAL_STATUS 1 + GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1 ++INNODB_CMP information_schema.INNODB_CMP 1 ++INNODB_CMPMEM information_schema.INNODB_CMPMEM 1 ++INNODB_CMPMEM_RESET information_schema.INNODB_CMPMEM_RESET 1 ++INNODB_CMP_RESET information_schema.INNODB_CMP_RESET 1 ++INNODB_LOCKS information_schema.INNODB_LOCKS 1 ++INNODB_LOCK_WAITS information_schema.INNODB_LOCK_WAITS 1 ++INNODB_TRX information_schema.INNODB_TRX 1 + KEY_COLUMN_USAGE information_schema.KEY_COLUMN_USAGE 1 + PARTITIONS information_schema.PARTITIONS 1 + PLUGINS information_schema.PLUGINS 1 +diff mysql-test/r/information_schema_db.result.orig mysql-test/r/information_schema_db.result +--- mysql-test/r/information_schema_db.result.orig 2008-08-04 09:27:49.000000000 +0300 ++++ mysql-test/r/information_schema_db.result 2008-10-07 12:26:31.000000000 +0300 +@@ -33,6 +33,13 @@ + TRIGGERS + USER_PRIVILEGES + VIEWS ++INNODB_CMP_RESET ++INNODB_TRX ++INNODB_CMPMEM_RESET ++INNODB_LOCK_WAITS ++INNODB_CMPMEM ++INNODB_CMP ++INNODB_LOCKS + show tables from INFORMATION_SCHEMA like 'T%'; + Tables_in_information_schema (T%) + TABLES +diff mysql-test/r/mysqlshow.result.orig mysql-test/r/mysqlshow.result +--- mysql-test/r/mysqlshow.result.orig 2008-08-04 09:27:51.000000000 +0300 ++++ mysql-test/r/mysqlshow.result 2008-10-07 12:35:39.000000000 +0300 +@@ -107,6 +107,13 @@ + | TRIGGERS | + | USER_PRIVILEGES | + | VIEWS | ++| INNODB_CMP_RESET | ++| INNODB_TRX | ++| INNODB_CMPMEM_RESET | ++| INNODB_LOCK_WAITS | ++| INNODB_CMPMEM | ++| INNODB_CMP | ++| INNODB_LOCKS | + +---------------------------------------+ + Database: INFORMATION_SCHEMA + +---------------------------------------+ +@@ -140,6 +147,13 @@ + | TRIGGERS | + | USER_PRIVILEGES | + | VIEWS | ++| INNODB_CMP_RESET | ++| INNODB_TRX | ++| INNODB_CMPMEM_RESET | ++| INNODB_LOCK_WAITS | ++| INNODB_CMPMEM | ++| INNODB_CMP | ++| INNODB_LOCKS | + +---------------------------------------+ + Wildcard: inf_rmation_schema + +--------------------+ diff --git a/mysql-test/patches/innodb_file_per_table.diff b/mysql-test/patches/innodb_file_per_table.diff new file mode 100644 index 00000000000..73dd7d223e4 --- /dev/null +++ b/mysql-test/patches/innodb_file_per_table.diff @@ -0,0 +1,47 @@ +diff mysql-test/t/innodb_file_per_table_basic.test.orig mysql-test/t/innodb_file_per_table_basic.test +--- mysql-test/t/innodb_file_per_table_basic.test.orig 2008-10-07 11:32:30.000000000 +0300 ++++ mysql-test/t/innodb_file_per_table_basic.test 2008-10-07 11:52:14.000000000 +0300 +@@ -37,10 +37,6 @@ + # Check if Value can set # + #################################################################### + +---error ER_INCORRECT_GLOBAL_LOCAL_VAR +-SET @@GLOBAL.innodb_file_per_table=1; +---echo Expected error 'Read only variable' +- + SELECT COUNT(@@GLOBAL.innodb_file_per_table); + --echo 1 Expected + +@@ -52,7 +48,7 @@ + # Check if the value in GLOBAL Table matches value in variable # + ################################################################# + +-SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_file_per_table'; + --echo 1 Expected +diff mysql-test/t/innodb_file_per_table_basic.result.orig mysql-test/t/innodb_file_per_table_basic.result +--- mysql-test/r/innodb_file_per_table_basic.result.orig 2008-10-07 11:32:02.000000000 +0300 ++++ mysql-test/r/innodb_file_per_table_basic.result 2008-10-07 11:52:47.000000000 +0300 +@@ -4,18 +4,15 @@ + 1 + 1 Expected + '#---------------------BS_STVARS_028_02----------------------#' +-SET @@GLOBAL.innodb_file_per_table=1; +-ERROR HY000: Variable 'innodb_file_per_table' is a read only variable +-Expected error 'Read only variable' + SELECT COUNT(@@GLOBAL.innodb_file_per_table); + COUNT(@@GLOBAL.innodb_file_per_table) + 1 + 1 Expected + '#---------------------BS_STVARS_028_03----------------------#' +-SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_file_per_table'; +-@@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + 1 + 1 Expected + SELECT COUNT(@@GLOBAL.innodb_file_per_table); diff --git a/mysql-test/patches/innodb_lock_wait_timeout.diff b/mysql-test/patches/innodb_lock_wait_timeout.diff new file mode 100644 index 00000000000..81fe87f7c0d --- /dev/null +++ b/mysql-test/patches/innodb_lock_wait_timeout.diff @@ -0,0 +1,55 @@ +--- mysql-test/t/innodb_lock_wait_timeout_basic.test.orig 2008-08-04 09:28:16.000000000 +0300 ++++ mysql-test/t/innodb_lock_wait_timeout_basic.test 2008-10-07 11:14:15.000000000 +0300 +@@ -37,10 +37,6 @@ + # Check if Value can set # + #################################################################### + +---error ER_INCORRECT_GLOBAL_LOCAL_VAR +-SET @@GLOBAL.innodb_lock_wait_timeout=1; +---echo Expected error 'Read only variable' +- + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + --echo 1 Expected + +@@ -84,13 +80,9 @@ + SELECT COUNT(@@innodb_lock_wait_timeout); + --echo 1 Expected + +---Error ER_INCORRECT_GLOBAL_LOCAL_VAR + SELECT COUNT(@@local.innodb_lock_wait_timeout); +---echo Expected error 'Variable is a GLOBAL variable' + +---Error ER_INCORRECT_GLOBAL_LOCAL_VAR + SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); +---echo Expected error 'Variable is a GLOBAL variable' + + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + --echo 1 Expected +--- mysql-test/r/innodb_lock_wait_timeout_basic.result.orig 2008-08-04 09:27:50.000000000 +0300 ++++ mysql-test/r/innodb_lock_wait_timeout_basic.result 2008-10-07 11:15:14.000000000 +0300 +@@ -4,9 +4,6 @@ + 1 + 1 Expected + '#---------------------BS_STVARS_032_02----------------------#' +-SET @@GLOBAL.innodb_lock_wait_timeout=1; +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a read only variable +-Expected error 'Read only variable' + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + COUNT(@@GLOBAL.innodb_lock_wait_timeout) + 1 +@@ -39,11 +36,11 @@ + 1 + 1 Expected + SELECT COUNT(@@local.innodb_lock_wait_timeout); +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable +-Expected error 'Variable is a GLOBAL variable' ++COUNT(@@local.innodb_lock_wait_timeout) ++1 + SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable +-Expected error 'Variable is a GLOBAL variable' ++COUNT(@@SESSION.innodb_lock_wait_timeout) ++1 + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + COUNT(@@GLOBAL.innodb_lock_wait_timeout) + 1 diff --git a/page/page0page.c b/page/page0page.c index b25c7826b55..8f5a0776ba6 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -593,8 +593,18 @@ page_copy_rec_list_end( page_get_infimum_rec(new_page)); ulint log_mode = 0; /* remove warning */ - /* page_zip_validate() will fail here if btr_compress() - sets FIL_PAGE_PREV to FIL_NULL */ +#ifdef UNIV_ZIP_DEBUG + if (new_page_zip) { + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + ut_a(page_zip); + + /* Strict page_zip_validate() may fail here. + Furthermore, btr_compress() may set FIL_PAGE_PREV to + FIL_NULL on new_page while leaving it intact on + new_page_zip. So, we cannot validate new_page_zip. */ + ut_a(page_zip_validate_low(page_zip, page, TRUE)); + } +#endif /* UNIV_ZIP_DEBUG */ ut_ad(buf_block_get_frame(block) == page); ut_ad(page_is_leaf(page) == page_is_leaf(new_page)); ut_ad(page_is_comp(page) == page_is_comp(new_page)); @@ -1057,10 +1067,19 @@ page_delete_rec_list_start( ut_ad((ibool) !!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - /* page_zip_validate() would detect a min_rec_mark mismatch - in btr_page_split_and_insert() - between btr_attach_half_pages() and insert_page = ... - when btr_page_get_split_rec_to_left() holds (direction == FSP_DOWN). */ +#ifdef UNIV_ZIP_DEBUG + { + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + page_t* page = buf_block_get_frame(block); + + /* page_zip_validate() would detect a min_rec_mark mismatch + in btr_page_split_and_insert() + between btr_attach_half_pages() and insert_page = ... + when btr_page_get_split_rec_to_left() holds + (direction == FSP_DOWN). */ + ut_a(!page_zip || page_zip_validate_low(page_zip, page, TRUE)); + } +#endif /* UNIV_ZIP_DEBUG */ if (page_rec_is_infimum(rec)) { diff --git a/page/page0zip.c b/page/page0zip.c index b3c3acc5d78..136535c652c 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -77,6 +77,8 @@ page_zip_fail_func( int res; va_list ap; + ut_print_timestamp(stderr); + fputs(" InnoDB: ", stderr); va_start(ap, fmt); res = vfprintf(stderr, fmt, ap); va_end(ap); @@ -2951,6 +2953,39 @@ err_exit: } #ifdef UNIV_ZIP_DEBUG +/************************************************************************** +Dump a block of memory on the standard error stream. */ +static +void +page_zip_hexdump_func( +/*==================*/ + const char* name, /* in: name of the data structure */ + const void* buf, /* in: data */ + ulint size) /* in: length of the data, in bytes */ +{ + const byte* s = buf; + ulint addr; + const ulint width = 32; /* bytes per line */ + + fprintf(stderr, "%s:\n", name); + + for (addr = 0; addr < size; addr += width) { + ulint i; + + fprintf(stderr, "%04lx ", (ulong) addr); + + i = ut_min(width, size - addr); + + while (i--) { + fprintf(stderr, "%02x", *s++); + } + + putc('\n', stderr); + } +} + +#define page_zip_hexdump(buf, size) page_zip_hexdump_func(#buf, buf, size) + /* Flag: make page_zip_validate() compare page headers only */ UNIV_INTERN ibool page_zip_validate_header_only = FALSE; @@ -2958,11 +2993,13 @@ UNIV_INTERN ibool page_zip_validate_header_only = FALSE; Check that the compressed and decompressed pages match. */ UNIV_INTERN ibool -page_zip_validate( -/*==============*/ +page_zip_validate_low( +/*==================*/ /* out: TRUE if valid, FALSE if not */ const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page) /* in: uncompressed page */ + const page_t* page, /* in: uncompressed page */ + ibool sloppy) /* in: FALSE=strict, + TRUE=ignore the MIN_REC_FLAG */ { page_zip_des_t temp_page_zip; byte* temp_page_buf; @@ -2975,6 +3012,9 @@ page_zip_validate( || memcmp(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, PAGE_DATA - FIL_PAGE_DATA)) { page_zip_fail(("page_zip_validate: page header\n")); + page_zip_hexdump(page_zip, sizeof *page_zip); + page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); + page_zip_hexdump(page, UNIV_PAGE_SIZE); return(FALSE); } @@ -2991,7 +3031,9 @@ page_zip_validate( #ifdef UNIV_DEBUG_VALGRIND /* Get detailed information on the valid bits in case the - UNIV_MEM_ASSERT_RW() checks fail. */ + UNIV_MEM_ASSERT_RW() checks fail. The v-bits of page[], + page_zip->data[] or page_zip could be viewed at temp_page[] or + temp_page_zip in a debugger when running valgrind --db-attach. */ VALGRIND_GET_VBITS(page, temp_page, UNIV_PAGE_SIZE); UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); VALGRIND_GET_VBITS(page_zip, &temp_page_zip, sizeof temp_page_zip); @@ -3032,14 +3074,71 @@ page_zip_validate( } if (memcmp(page + PAGE_HEADER, temp_page + PAGE_HEADER, UNIV_PAGE_SIZE - PAGE_HEADER - FIL_PAGE_DATA_END)) { + + /* In crash recovery, the "minimum record" flag may be + set incorrectly until the mini-transaction is + committed. Let us tolerate that difference when we + are performing a sloppy validation. */ + + if (sloppy) { + byte info_bits_diff; + ulint offset + = rec_get_next_offs(page + PAGE_NEW_INFIMUM, + TRUE); + ut_a(offset >= PAGE_NEW_SUPREMUM); + offset -= 5 /* REC_NEW_INFO_BITS */; + + info_bits_diff = page[offset] ^ temp_page[offset]; + + if (info_bits_diff == REC_INFO_MIN_REC_FLAG) { + temp_page[offset] = page[offset]; + + if (!memcmp(page + PAGE_HEADER, + temp_page + PAGE_HEADER, + UNIV_PAGE_SIZE - PAGE_HEADER + - FIL_PAGE_DATA_END)) { + + /* Only the minimum record flag + differed. Let us ignore it. */ + page_zip_fail(("page_zip_validate: " + "min_rec_flag " + "(ignored, " + "%lu,%lu,0x%02lx)\n", + page_get_space_id(page), + page_get_page_no(page), + (ulong) page[offset])); + goto func_exit; + } + } + } page_zip_fail(("page_zip_validate: content\n")); valid = FALSE; } func_exit: + if (!valid) { + page_zip_hexdump(page_zip, sizeof *page_zip); + page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); + page_zip_hexdump(page, UNIV_PAGE_SIZE); + page_zip_hexdump(temp_page, UNIV_PAGE_SIZE); + } ut_free(temp_page_buf); return(valid); } + +/************************************************************************** +Check that the compressed and decompressed pages match. */ +UNIV_INTERN +ibool +page_zip_validate( +/*==============*/ + /* out: TRUE if valid, FALSE if not */ + const page_zip_des_t* page_zip,/* in: compressed page */ + const page_t* page) /* in: uncompressed page */ +{ + return(page_zip_validate_low(page_zip, page, + recv_recovery_is_on())); +} #endif /* UNIV_ZIP_DEBUG */ #ifdef UNIV_DEBUG @@ -4302,11 +4401,13 @@ page_zip_reorganize( } /************************************************************************** -Copy a page byte for byte, except for the file page header and trailer. */ +Copy the records of a page byte for byte. Do not copy the page header +or trailer, except those B-tree header fields that are directly +related to the storage of records. */ UNIV_INTERN void -page_zip_copy( -/*==========*/ +page_zip_copy_recs( +/*===============*/ page_zip_des_t* page_zip, /* out: copy of src_zip (n_blobs, m_start, m_end, m_nonempty, data[0..size-1]) */ @@ -4319,7 +4420,11 @@ page_zip_copy( ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); ut_ad(mtr_memo_contains_page(mtr, (page_t*) src, MTR_MEMO_PAGE_X_FIX)); #ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(src_zip, src)); + /* The B-tree operations that call this function may set + FIL_PAGE_PREV or PAGE_LEVEL, causing a temporary min_rec_flag + mismatch. A strict page_zip_validate() will be executed later + during the B-tree operations. */ + ut_a(page_zip_validate_low(src_zip, src, TRUE)); #endif /* UNIV_ZIP_DEBUG */ ut_a(page_zip_get_size(page_zip) == page_zip_get_size(src_zip)); if (UNIV_UNLIKELY(src_zip->n_blobs)) { @@ -4332,14 +4437,24 @@ page_zip_copy( UNIV_MEM_ASSERT_RW(src, UNIV_PAGE_SIZE); UNIV_MEM_ASSERT_RW(src_zip->data, page_zip_get_size(page_zip)); - /* Skip the file page header and trailer. */ - memcpy(page + FIL_PAGE_DATA, src + FIL_PAGE_DATA, - UNIV_PAGE_SIZE - FIL_PAGE_DATA - - FIL_PAGE_DATA_END); - memcpy(page_zip->data + FIL_PAGE_DATA, - src_zip->data + FIL_PAGE_DATA, - page_zip_get_size(page_zip) - FIL_PAGE_DATA); + /* Copy those B-tree page header fields that are related to + the records stored in the page. Do not copy the field + PAGE_MAX_TRX_ID. Skip the rest of the page header and + trailer. On the compressed page, there is no trailer. */ +#if PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END +# error "PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END" +#endif + memcpy(PAGE_HEADER + page, PAGE_HEADER + src, + PAGE_MAX_TRX_ID); + memcpy(PAGE_DATA + page, PAGE_DATA + src, + UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); + memcpy(PAGE_HEADER + page_zip->data, PAGE_HEADER + src_zip->data, + PAGE_MAX_TRX_ID); + memcpy(PAGE_DATA + page_zip->data, PAGE_DATA + src_zip->data, + page_zip_get_size(page_zip) - PAGE_DATA); + /* Copy all fields of src_zip to page_zip, except the pointer + to the compressed data page. */ { page_zip_t* data = page_zip->data; memcpy(page_zip, src_zip, sizeof *page_zip); diff --git a/rem/rem0rec.c b/rem/rem0rec.c index 1cf81d6858b..7141468bf59 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -727,52 +727,31 @@ rec_get_nth_field_offs_old( } /************************************************************** -Determines the size of a data tuple in ROW_FORMAT=COMPACT. */ +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. */ UNIV_INTERN ulint -rec_get_converted_size_comp( -/*========================*/ +rec_get_converted_size_comp_prefix( +/*===============================*/ /* out: total size */ const dict_index_t* index, /* in: record descriptor; dict_table_is_comp() is assumed to hold, even if it does not */ - ulint status, /* in: status bits of the record */ const dfield_t* fields, /* in: array of data fields */ ulint n_fields,/* in: number of data fields */ ulint* extra) /* out: extra size */ { - ulint extra_size; - ulint data_size; - ulint i; + ulint extra_size; + ulint data_size; + ulint i; ut_ad(index); ut_ad(fields); ut_ad(n_fields > 0); - - switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { - case REC_STATUS_ORDINARY: - ut_ad(n_fields == dict_index_get_n_fields(index)); - data_size = 0; - break; - case REC_STATUS_NODE_PTR: - n_fields--; - ut_ad(n_fields == dict_index_get_n_unique_in_tree(index)); - ut_ad(dfield_get_len(&fields[n_fields]) == 4); - data_size = 4; /* child page number */ - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - /* infimum or supremum record, 8 data bytes */ - extra_size = REC_N_NEW_EXTRA_BYTES; - data_size = 8; - goto func_exit; - default: - ut_error; - return(ULINT_UNDEFINED); - } + ut_ad(n_fields <= dict_index_get_n_fields(index)); extra_size = REC_N_NEW_EXTRA_BYTES + UT_BITS_IN_BYTES(index->n_nullable); + data_size = 0; /* read the lengths of fields 0..n */ for (i = 0; i < n_fields; i++) { @@ -815,7 +794,6 @@ rec_get_converted_size_comp( data_size += len; } -func_exit: if (UNIV_LIKELY_NULL(extra)) { *extra = extra_size; } @@ -823,6 +801,54 @@ func_exit: return(extra_size + data_size); } +/************************************************************** +Determines the size of a data tuple in ROW_FORMAT=COMPACT. */ +UNIV_INTERN +ulint +rec_get_converted_size_comp( +/*========================*/ + /* out: total size */ + const dict_index_t* index, /* in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + ulint status, /* in: status bits of the record */ + const dfield_t* fields, /* in: array of data fields */ + ulint n_fields,/* in: number of data fields */ + ulint* extra) /* out: extra size */ +{ + ulint size; + ut_ad(index); + ut_ad(fields); + ut_ad(n_fields > 0); + + switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { + case REC_STATUS_ORDINARY: + ut_ad(n_fields == dict_index_get_n_fields(index)); + size = 0; + break; + case REC_STATUS_NODE_PTR: + n_fields--; + ut_ad(n_fields == dict_index_get_n_unique_in_tree(index)); + ut_ad(dfield_get_len(&fields[n_fields]) == REC_NODE_PTR_SIZE); + size = REC_NODE_PTR_SIZE; /* child page number */ + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + /* infimum or supremum record, 8 data bytes */ + if (UNIV_LIKELY_NULL(extra)) { + *extra = REC_N_NEW_EXTRA_BYTES; + } + return(REC_N_NEW_EXTRA_BYTES + 8); + default: + ut_error; + return(ULINT_UNDEFINED); + } + + return(size + rec_get_converted_size_comp_prefix(index, fields, + n_fields, extra)); +} + /*************************************************************** Sets the value of the ith field SQL null bit of an old-style record. */ UNIV_INTERN diff --git a/row/row0merge.c b/row/row0merge.c index adb38da714e..634119b811e 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1747,7 +1747,9 @@ run_again: } /************************************************************************* -Drop an index from the InnoDB system tables. */ +Drop an index from the InnoDB system tables. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ UNIV_INTERN void row_merge_drop_index( @@ -1757,7 +1759,6 @@ row_merge_drop_index( trx_t* trx) /* in: transaction handle */ { ulint err; - ibool dict_lock = FALSE; pars_info_t* info = pars_info_create(); /* We use the private SQL parser of Innobase to generate the @@ -1781,10 +1782,7 @@ row_merge_drop_index( trx_start_if_not_started(trx); trx->op_info = "dropping index"; - if (trx->dict_operation_lock_mode == 0) { - row_mysql_lock_data_dictionary(trx); - dict_lock = TRUE; - } + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); err = que_eval_sql(info, str1, FALSE, trx); @@ -1796,16 +1794,14 @@ row_merge_drop_index( dict_table_replace_index_in_foreign_list(table, index); dict_index_remove_from_cache(table, index); - if (dict_lock) { - row_mysql_unlock_data_dictionary(trx); - } - trx->op_info = ""; } /************************************************************************* -Drop those indexes which were created before an error occurred -when building an index. */ +Drop those indexes which were created before an error occurred when +building an index. The data dictionary must have been locked +exclusively by the caller, because the transaction will not be +committed. */ UNIV_INTERN void row_merge_drop_indexes( @@ -1986,7 +1982,9 @@ row_merge_create_temporary_table( } /************************************************************************* -Rename the temporary indexes in the dictionary to permanent ones. */ +Rename the temporary indexes in the dictionary to permanent ones. The +data dictionary must have been locked exclusively by the caller, +because the transaction will not be committed. */ UNIV_INTERN ulint row_merge_rename_indexes( @@ -1995,7 +1993,6 @@ row_merge_rename_indexes( trx_t* trx, /* in/out: transaction */ dict_table_t* table) /* in/out: table with new indexes */ { - ibool dict_lock = FALSE; ulint err = DB_SUCCESS; pars_info_t* info = pars_info_create(); @@ -2013,18 +2010,14 @@ row_merge_rename_indexes( "WHERE TABLE_ID = :tableid AND SUBSTR(NAME,0,1)='\377';\n" "END;\n"; - ut_ad(table && trx); + ut_ad(table); + ut_ad(trx); + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); - trx_start_if_not_started(trx); trx->op_info = "renaming indexes"; pars_info_add_dulint_literal(info, "tableid", table->id); - if (trx->dict_operation_lock_mode == 0) { - row_mysql_lock_data_dictionary(trx); - dict_lock = TRUE; - } - err = que_eval_sql(info, rename_indexes, FALSE, trx); if (err == DB_SUCCESS) { @@ -2037,17 +2030,15 @@ row_merge_rename_indexes( } while (index); } - if (dict_lock) { - row_mysql_unlock_data_dictionary(trx); - } - trx->op_info = ""; return(err); } /************************************************************************* -Rename the tables in the data dictionary. */ +Rename the tables in the data dictionary. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ UNIV_INTERN ulint row_merge_rename_tables( @@ -2068,8 +2059,9 @@ row_merge_rename_tables( ut_ad(old_table != new_table); ut_ad(mutex_own(&dict_sys->mutex)); + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); + trx->op_info = "renaming tables"; - trx_start_if_not_started(trx); /* We use the private SQL parser of Innobase to generate the query graphs needed in updating the dictionary data in system tables. */ @@ -2239,24 +2231,10 @@ row_merge_drop_table( trx_t* trx, /* in: transaction */ dict_table_t* table) /* in: table to drop */ { - ulint err = DB_SUCCESS; - ibool dict_locked = FALSE; - - if (trx->dict_operation_lock_mode == 0) { - row_mysql_lock_data_dictionary(trx); - dict_locked = TRUE; - } - /* There must be no open transactions on the table. */ ut_a(table->n_mysql_handles_opened == 0); - err = row_drop_table_for_mysql_no_commit(table->name, trx, FALSE); - - if (dict_locked) { - row_mysql_unlock_data_dictionary(trx); - } - - return(err); + return(row_drop_table_for_mysql(table->name, trx, FALSE)); } /************************************************************************* diff --git a/row/row0mysql.c b/row/row0mysql.c index 7a22e969f74..b845fbe80f0 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -625,6 +625,14 @@ row_create_prebuilt( prebuilt->clust_ref = ref; + prebuilt->autoinc_offset = 0; + + /* Default to 1, we will set the actual value later in + ha_innobase::get_auto_increment(). */ + prebuilt->autoinc_increment = 1; + + prebuilt->autoinc_last_value = 0; + return(prebuilt); } @@ -1842,6 +1850,7 @@ err_exit: if (dict_table_get_low(table->name)) { row_drop_table_for_mysql(table->name, trx, FALSE); + trx_commit_for_mysql(trx); } break; @@ -1999,6 +2008,8 @@ error_handling: row_drop_table_for_mysql(table_name, trx, FALSE); + trx_commit_for_mysql(trx); + trx->error_state = DB_SUCCESS; } @@ -2066,6 +2077,8 @@ row_table_add_foreign_constraints( row_drop_table_for_mysql(name, trx, FALSE); + trx_commit_for_mysql(trx); + trx->error_state = DB_SUCCESS; } @@ -2397,8 +2410,8 @@ row_discard_tablespace_for_mysql( new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); - /* Remove any locks there are on the table or its records */ - lock_reset_all_on_table(table); + /* Remove all locks except the table-level S and X locks. */ + lock_remove_all_on_table(table, FALSE); info = pars_info_create(); @@ -2742,9 +2755,8 @@ row_truncate_table_for_mysql( goto funct_exit; } - /* Remove any locks there are on the table or its records */ - - lock_reset_all_on_table(table); + /* Remove all locks except the table-level S and X locks. */ + lock_remove_all_on_table(table, FALSE); trx->table_id = table->id; @@ -2908,7 +2920,7 @@ next_rec: /* MySQL calls ha_innobase::reset_auto_increment() which does the same thing. */ dict_table_autoinc_lock(table); - dict_table_autoinc_initialize(table, 0); + dict_table_autoinc_initialize(table, 1); dict_table_autoinc_unlock(table); dict_update_statistics(table); @@ -2926,10 +2938,12 @@ funct_exit: } /************************************************************************* -Drops a table for MySQL. If the name of the dropped table ends in +Drops a table for MySQL. If the name of the dropped table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor -output by the master thread. */ +output by the master thread. If the data dictionary was not already locked +by the transaction, the transaction will be committed. Otherwise, the +data dictionary will remain locked. */ UNIV_INTERN int row_drop_table_for_mysql( @@ -2938,29 +2952,6 @@ row_drop_table_for_mysql( const char* name, /* in: table name */ trx_t* trx, /* in: transaction handle */ ibool drop_db)/* in: TRUE=dropping whole database */ -{ - ulint err; - - err = row_drop_table_for_mysql_no_commit(name, trx, drop_db); - trx_commit_for_mysql(trx); - - return(err); -} - -/************************************************************************* -Drops a table for MySQL but does not commit the transaction. If the -name of the dropped table ends in one of "innodb_monitor", -"innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also stop the printing of -monitor output by the master thread. */ -UNIV_INTERN -int -row_drop_table_for_mysql_no_commit( -/*===============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx, /* in: transaction handle */ - ibool drop_db)/* in: TRUE=dropping whole database */ { dict_foreign_t* foreign; dict_table_t* table; @@ -3165,9 +3156,8 @@ check_next_foreign: goto funct_exit; } - /* Remove any locks there are on the table or its records */ - - lock_reset_all_on_table(table); + /* Remove all locks there are on the table or its records */ + lock_remove_all_on_table(table, TRUE); trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); trx->table_id = table->id; @@ -3330,6 +3320,8 @@ check_next_foreign: funct_exit: if (locked_dictionary) { + trx_commit_for_mysql(trx); + row_mysql_unlock_data_dictionary(trx); } @@ -3458,8 +3450,7 @@ loop: } err = row_drop_table_for_mysql(table_name, trx, TRUE); - - mem_free(table_name); + trx_commit_for_mysql(trx); if (err != DB_SUCCESS) { fputs("InnoDB: DROP DATABASE ", stderr); @@ -3468,8 +3459,11 @@ loop: (ulint) err); ut_print_name(stderr, trx, TRUE, table_name); putc('\n', stderr); + mem_free(table_name); break; } + + mem_free(table_name); } if (err == DB_SUCCESS) { diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 22224d5b622..6e1ec2d9cab 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -154,8 +154,6 @@ UNIV_INTERN ibool srv_archive_recovery = 0; UNIV_INTERN ib_uint64_t srv_archive_recovery_limit_lsn; #endif /* UNIV_LOG_ARCHIVE */ -UNIV_INTERN ulint srv_lock_wait_timeout = 1024 * 1024 * 1024; - /* This parameter is used to throttle the number of insert buffers that are merged in a batch. By increasing this parameter on a faster disk you can possibly reduce the number of I/O operations performed to complete the @@ -1377,6 +1375,7 @@ srv_suspend_mysql_thread( ulint diff_time; ulint sec; ulint ms; + ulong lock_wait_timeout; ut_ad(!mutex_own(&kernel_mutex)); @@ -1515,8 +1514,14 @@ srv_suspend_mysql_thread( mutex_exit(&kernel_mutex); - if (srv_lock_wait_timeout < 100000000 - && wait_time > (double)srv_lock_wait_timeout) { + /* InnoDB system transactions (such as the purge, and + incomplete transactions that are being rolled back after crash + recovery) will use the global value of + innodb_lock_wait_timeout, because trx->mysql_thd == NULL. */ + lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); + + if (lock_wait_timeout < 100000000 + && wait_time > (double) lock_wait_timeout) { trx->error_state = DB_LOCK_WAIT_TIMEOUT; } @@ -1966,12 +1971,19 @@ loop: slot = srv_mysql_table + i; if (slot->in_use) { + trx_t* trx; + ulong lock_wait_timeout; + some_waits = TRUE; wait_time = ut_difftime(ut_time(), slot->suspend_time); - if (srv_lock_wait_timeout < 100000000 - && (wait_time > (double) srv_lock_wait_timeout + trx = thr_get_trx(slot->thr); + lock_wait_timeout = thd_lock_wait_timeout( + trx->mysql_thd); + + if (lock_wait_timeout < 100000000 + && (wait_time > (double) lock_wait_timeout || wait_time < 0)) { /* Timeout exceeded or a wrap-around in system @@ -1981,10 +1993,9 @@ loop: possible that the lock has already been granted: in that case do nothing */ - if (thr_get_trx(slot->thr)->wait_lock) { + if (trx->wait_lock) { lock_cancel_waiting_and_release( - thr_get_trx(slot->thr) - ->wait_lock); + trx->wait_lock); } } } diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 6f8e3726564..b1079eff01d 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -506,6 +506,7 @@ trx_rollback_active( fputs(" in recovery\n", stderr); err = row_drop_table_for_mysql(table->name, trx, TRUE); + trx_commit_for_mysql(trx); ut_a(err == (int) DB_SUCCESS); } From 0332dc7b89ee374ccb787de91ef82be9f217920d Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 15 Oct 2008 10:18:28 +0000 Subject: [PATCH 059/400] branches/innodb+: btr_cur_search_to_nth_level(): Add a TODO comment that when encountering an empty leaf page, we should advance to the right siblings until a non-empty page is found. Move the initialization of cursor->ibuf_cnt to a better place. --- btr/btr0cur.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 77310eed5bd..547dedd659a 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -658,6 +658,9 @@ retry_page_get: page_mode = mode; } + /* TO DO: if the page is empty, advance to the next page. + There may be a match on the first nonempty right sibling. */ + page_cur_search_with_match( block, index, tuple, page_mode, &up_match, &up_bytes, &low_match, &low_bytes, page_cursor); @@ -692,19 +695,14 @@ retry_page_get: node_ptr = page_cur_get_rec(page_cursor); - offsets = rec_get_offsets( - node_ptr, cursor->index, offsets, ULINT_UNDEFINED, &heap); - - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - - if (dict_index_is_ibuf(index) && height == level) { + if (height == 0 && dict_index_is_ibuf(index)) { /* We're doing a search on an ibuf tree and we're one level - above the leaf page. (Assuming level == 0, which it should - be.) */ + above the leaf page. */ ulint is_min_rec; + ut_ad(level == 0); + is_min_rec = rec_get_info_bits(node_ptr, 0) & REC_INFO_MIN_REC_FLAG; @@ -716,6 +714,12 @@ retry_page_get: } } + offsets = rec_get_offsets( + node_ptr, index, offsets, ULINT_UNDEFINED, &heap); + + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + goto search_loop; loop_end: From cfa731c80717d929447020a5ca6bbc146259354c Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 15 Oct 2008 12:09:17 +0000 Subject: [PATCH 060/400] branches/innodb+: Merge revisions 2774:2799 from branches/zip: ------------------------------------------------------------------------ r2781 | marko | 2008-10-13 13:40:57 +0300 (Mon, 13 Oct 2008) | 1 line branches/zip: page_cur_delete_rec(): Call page_zip_validate_low(). ------------------------------------------------------------------------ r2783 | vasil | 2008-10-13 18:34:34 +0300 (Mon, 13 Oct 2008) | 9 lines branches/zip: Remove mysql-test/patches/bug37312.diff because MySQL "fixed" Bug#37312 by removing the test. http://bugs.mysql.com/37312 http://lists.mysql.com/commits/54462 ------------------------------------------------------------------------ r2784 | marko | 2008-10-13 21:35:30 +0300 (Mon, 13 Oct 2008) | 1 line branches/zip: Add missing NULL check to the assertion added in r2781. ------------------------------------------------------------------------ r2785 | marko | 2008-10-13 22:29:12 +0300 (Mon, 13 Oct 2008) | 2 lines branches/zip: page_cur_delete_rec(): Remove the bogus page_zip_validate_low() assertion that was added in r2781 and explain why it was bogus. ------------------------------------------------------------------------ r2786 | calvin | 2008-10-14 19:14:47 +0300 (Tue, 14 Oct 2008) | 7 lines branches/zip: fix Mantis issue #96 Problem compiling ha_innodb.cc on 64-bit Windows Change the definition of srv_replication_delay from ulint to ulong. ulint is 64-bit on Win64. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r2787 | calvin | 2008-10-14 19:19:41 +0300 (Tue, 14 Oct 2008) | 7 lines branches/zip: fix compiler warning Change the definition of add_on from ulint to ullint, to eliminate the warning in .\btr\btr0cur.c: conversion from 'ullint' to 'ulint', possible loss of data Approved by: Heikki (on IM) ------------------------------------------------------------------------ r2793 | marko | 2008-10-15 10:00:06 +0300 (Wed, 15 Oct 2008) | 2 lines branches/zip: row_create_table_for_mysql(), row_create_index_for_mysql(): Note that the dictionary object will be freed. ------------------------------------------------------------------------ r2794 | marko | 2008-10-15 10:32:40 +0300 (Wed, 15 Oct 2008) | 9 lines branches/zip: When invoking page_zip_copy_recs(), update the lock table and the adaptive hash index. This should fix Issue #95 and Issue #87. page_zip_copy_recs(): Copy PAGE_MAX_TRX_ID as well, to have similar behavior to page_copy_rec_list_start() and page_copy_rec_list_end(). btr_root_raise_and_insert(), btr_page_split_and_insert(), btr_lift_page_up(): Update the lock table and the adaptive hash index. ------------------------------------------------------------------------ r2797 | marko | 2008-10-15 13:21:54 +0300 (Wed, 15 Oct 2008) | 3 lines branches/zip: Introduce UNIV_ZIP_COPY for invoking page_zip_copy_recs() more often in B-tree operations. ------------------------------------------------------------------------ r2799 | marko | 2008-10-15 14:27:42 +0300 (Wed, 15 Oct 2008) | 25 lines branches/zip: When the server crashes while freeing an externally stored column of a compressed table, the BTR_EXTERN_LEN field in the BLOB pointer will be written as 0. Tolerate this in the functions that deal with externally stored columns. This fixes Issue #80 and was posted at rb://26. Note that the clustered index record is always deleted or purged last, after any secondary index records referring to it have been deleted. btr_free_externally_stored_field(): On an uncompressed table, zero out the BTR_EXTERN_LEN, so that half-deleted BLOBs can be detected after crash recovery. btr_copy_externally_stored_field_prefix(): Return 0 if the BLOB has been half-deleted. row_upd_ext_fetch(): Assert that the externally stored column exists. row_ext_cache_fill(): Allow btr_copy_externally_stored_field_prefix() to return 0. row_sel_sec_rec_is_for_blob(): Return FALSE if the BLOB has been half-deleted. This is correct, because the clustered index record would have been deleted or purged last, after any secondary index records referring to it had been deleted. ------------------------------------------------------------------------ --- btr/btr0btr.c | 62 +++++++++++++++++++++++++++++--- btr/btr0cur.c | 34 +++++++++--------- include/btr0cur.h | 4 ++- include/page0zip.h | 3 +- include/row0mysql.h | 6 ++-- include/srv0srv.h | 2 +- include/univ.i | 2 ++ mysql-test/patches/bug37312.diff | 32 ----------------- page/page0cur.c | 11 ++++-- page/page0zip.c | 9 ++--- row/row0ext.c | 7 ++-- row/row0mysql.c | 6 ++-- row/row0sel.c | 10 ++++++ row/row0upd.c | 2 ++ srv/srv0srv.c | 2 +- 15 files changed, 124 insertions(+), 68 deletions(-) delete mode 100644 mysql-test/patches/bug37312.diff diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 00e56f24d25..32886420239 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1191,7 +1191,11 @@ btr_root_raise_and_insert( /* Copy the records from root to the new page one by one. */ - if (UNIV_UNLIKELY + if (0 +#ifdef UNIV_ZIP_COPY + || new_page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY (!page_copy_rec_list_end(new_block, root_block, page_get_infimum_rec(root), index, mtr))) { @@ -1200,6 +1204,14 @@ btr_root_raise_and_insert( /* Copy the page byte for byte. */ page_zip_copy_recs(new_page_zip, new_page, root_page_zip, root, index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(new_block, root_block, + page_get_infimum_rec(root)); + + btr_search_move_or_delete_hash_entries(new_block, root_block, + index); } /* If this is a pessimistic insert which is actually done to @@ -1953,7 +1965,11 @@ insert_right: if (direction == FSP_DOWN) { /* fputs("Split left\n", stderr); */ - if (UNIV_UNLIKELY + if (0 +#ifdef UNIV_ZIP_COPY + || page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY (!page_move_rec_list_start(new_block, block, move_limit, cursor->index, mtr))) { /* For some reason, compressing new_page failed, @@ -1969,6 +1985,18 @@ insert_right: new_block, cursor->index, ULINT_UNDEFINED, ULINT_UNDEFINED, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_start( + new_block, block, move_limit, + new_page + PAGE_NEW_INFIMUM); + + btr_search_move_or_delete_hash_entries( + new_block, block, cursor->index); + + /* Delete the records from the source page. */ + page_delete_rec_list_start(move_limit, block, cursor->index, mtr); } @@ -1980,7 +2008,11 @@ insert_right: } else { /* fputs("Split right\n", stderr); */ - if (UNIV_UNLIKELY + if (0 +#ifdef UNIV_ZIP_COPY + || page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY (!page_move_rec_list_end(new_block, block, move_limit, cursor->index, mtr))) { /* For some reason, compressing new_page failed, @@ -1995,6 +2027,16 @@ insert_right: page_delete_rec_list_start(move_limit - page + new_page, new_block, cursor->index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(new_block, block, move_limit); + + btr_search_move_or_delete_hash_entries( + new_block, block, cursor->index); + + /* Delete the records from the source page. */ + page_delete_rec_list_end(move_limit, block, cursor->index, ULINT_UNDEFINED, @@ -2343,7 +2385,11 @@ btr_lift_page_up( btr_page_set_level(father_page, father_page_zip, page_level, mtr); /* Copy the records to the father page one by one. */ - if (UNIV_UNLIKELY + if (0 +#ifdef UNIV_ZIP_COPY + || father_page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY (!page_copy_rec_list_end(father_block, block, page_get_infimum_rec(page), index, mtr))) { @@ -2355,6 +2401,14 @@ btr_lift_page_up( /* Copy the page byte for byte. */ page_zip_copy_recs(father_page_zip, father_page, page_zip, page, index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(father_block, block, + page_get_infimum_rec(page)); + + btr_search_move_or_delete_hash_entries(father_block, block, + index); } lock_update_copy_and_discard(father_block, block); diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 547dedd659a..f53d032de39 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -3291,7 +3291,7 @@ btr_estimate_number_of_different_key_vals( ulint total_external_size = 0; ulint i; ulint j; - ulint add_on; + ullint add_on; mtr_t mtr; mem_heap_t* heap = NULL; ulint offsets_rec_[REC_OFFS_NORMAL_SIZE]; @@ -4351,14 +4351,8 @@ btr_free_externally_stored_field( MLOG_4BYTES, &mtr); } } else { - ulint extern_len = mach_read_from_4( - field_ref + BTR_EXTERN_LEN + 4); - ulint part_len = btr_blob_get_part_len( - page + FIL_PAGE_DATA); - ut_a(fil_page_get_type(page) == FIL_PAGE_TYPE_BLOB); ut_a(!page_zip); - ut_a(extern_len >= part_len); next_page_no = mach_read_from_4( page + FIL_PAGE_DATA @@ -4376,16 +4370,14 @@ btr_free_externally_stored_field( mlog_write_ulint(field_ref + BTR_EXTERN_PAGE_NO, next_page_no, MLOG_4BYTES, &mtr); + /* Zero out the BLOB length. If the server + crashes during the execution of this function, + trx_rollback_or_clean_all_recovered() could + dereference the half-deleted BLOB, fetching a + wrong prefix for the BLOB. */ mlog_write_ulint(field_ref + BTR_EXTERN_LEN + 4, - extern_len - part_len, + 0, MLOG_4BYTES, &mtr); - if (next_page_no == FIL_NULL) { - ut_a(extern_len - part_len == 0); - } - - if (extern_len - part_len == 0) { - ut_a(next_page_no == FIL_NULL); - } } /* Commit mtr and release the BLOB block to save memory. */ @@ -4723,7 +4715,9 @@ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( /*====================================*/ - /* out: the length of the copied field */ + /* out: the length of the copied field, + or 0 if the column was being or has been + deleted */ byte* buf, /* out: the field, or a prefix of it */ ulint len, /* in: length of buf, in bytes */ ulint zip_size,/* in: nonzero=compressed BLOB page size, @@ -4752,6 +4746,14 @@ btr_copy_externally_stored_field_prefix( ut_a(memcmp(data, field_ref_zero, BTR_EXTERN_FIELD_REF_SIZE)); + if (!mach_read_from_4(data + BTR_EXTERN_LEN + 4)) { + /* The externally stored part of the column has been + (partially) deleted. Signal the half-deleted BLOB + to the caller. */ + + return(0); + } + space_id = mach_read_from_4(data + BTR_EXTERN_SPACE_ID); page_no = mach_read_from_4(data + BTR_EXTERN_PAGE_NO); diff --git a/include/btr0cur.h b/include/btr0cur.h index 58d60ba0722..659a75bbb37 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -519,7 +519,9 @@ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( /*====================================*/ - /* out: the length of the copied field */ + /* out: the length of the copied field, + or 0 if the column is being or has been + deleted */ byte* buf, /* out: the field, or a prefix of it */ ulint len, /* in: length of buf, in bytes */ ulint zip_size,/* in: nonzero=compressed BLOB page size, diff --git a/include/page0zip.h b/include/page0zip.h index 37ce061de29..6795dd3e148 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -387,7 +387,8 @@ page_zip_reorganize( /************************************************************************** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly -related to the storage of records. */ +related to the storage of records. Also copy PAGE_MAX_TRX_ID. +NOTE: The caller must update the lock table and the adaptive hash index. */ UNIV_INTERN void page_zip_copy_recs( diff --git a/include/row0mysql.h b/include/row0mysql.h index 737911c7b88..7a361c99070 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -339,7 +339,8 @@ int row_create_table_for_mysql( /*=======================*/ /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in: table definition */ + dict_table_t* table, /* in, own: table definition + (will be freed) */ trx_t* trx); /* in: transaction handle */ /************************************************************************* Does an index creation operation for MySQL. TODO: currently failure @@ -350,7 +351,8 @@ int row_create_index_for_mysql( /*=======================*/ /* out: error number or DB_SUCCESS */ - dict_index_t* index, /* in: index definition */ + dict_index_t* index, /* in, own: index definition + (will be freed) */ trx_t* trx, /* in: transaction handle */ const ulint* field_lengths); /* in: if not NULL, must contain dict_index_get_n_fields(index) diff --git a/include/srv0srv.h b/include/srv0srv.h index c8fff734797..4561b6d2f17 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -145,7 +145,7 @@ extern int srv_query_thread_priority; extern ulong srv_max_buf_pool_modified_pct; extern ulong srv_max_purge_lag; -extern ulint srv_replication_delay; +extern ulong srv_replication_delay; /*-------------------------------------------*/ extern ulint srv_n_rows_inserted; diff --git a/include/univ.i b/include/univ.i index c78045d72de..0c67dc7632d 100644 --- a/include/univ.i +++ b/include/univ.i @@ -158,6 +158,8 @@ operations (very slow); also UNIV_DEBUG must be defined */ printing B-trees */ #define UNIV_ZIP_DEBUG /* extensive consistency checks for compressed pages */ +#define UNIV_ZIP_COPY /* call page_zip_copy_recs() + more often */ #endif #define UNIV_BTR_DEBUG /* check B-tree links */ diff --git a/mysql-test/patches/bug37312.diff b/mysql-test/patches/bug37312.diff deleted file mode 100644 index 8b865ea85e3..00000000000 --- a/mysql-test/patches/bug37312.diff +++ /dev/null @@ -1,32 +0,0 @@ ---- mysql-test/extra/binlog_tests/innodb_stat.test.orig 2008-06-10 15:12:02.000000000 +0300 -+++ mysql-test/extra/binlog_tests/innodb_stat.test 2008-06-10 15:12:06.000000000 +0300 -@@ -41,6 +41,7 @@ - - # Test for testable InnoDB status variables. This test - # uses previous ones(pages_created, rows_deleted, ...). -+-- replace_regex /51[12]/51_/ - show status like "Innodb_buffer_pool_pages_total"; - show status like "Innodb_page_size"; - show status like "Innodb_rows_deleted"; ---- mysql-test/suite/binlog/r/binlog_row_innodb_stat.result.orig 2008-06-10 15:29:44.000000000 +0300 -+++ mysql-test/suite/binlog/r/binlog_row_innodb_stat.result 2008-06-10 15:30:04.000000000 +0300 -@@ -24,7 +24,7 @@ - drop table t1; - show status like "Innodb_buffer_pool_pages_total"; - Variable_name Value --Innodb_buffer_pool_pages_total 512 -+Innodb_buffer_pool_pages_total 51_ - show status like "Innodb_page_size"; - Variable_name Value - Innodb_page_size 16384 ---- mysql-test/suite/binlog/r/binlog_stm_innodb_stat.result.orig 2008-06-10 15:33:43.000000000 +0300 -+++ mysql-test/suite/binlog/r/binlog_stm_innodb_stat.result 2008-06-10 15:33:55.000000000 +0300 -@@ -24,7 +24,7 @@ - drop table t1; - show status like "Innodb_buffer_pool_pages_total"; - Variable_name Value --Innodb_buffer_pool_pages_total 512 -+Innodb_buffer_pool_pages_total 51_ - show status like "Innodb_page_size"; - Variable_name Value - Innodb_page_size 16384 diff --git a/page/page0cur.c b/page/page0cur.c index c53e5f3df4e..66e02b1529e 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -1766,8 +1766,15 @@ page_cur_delete_rec( page = page_cur_get_page(cursor); page_zip = page_cur_get_page_zip(cursor); - /* page_zip_validate() may fail here when - btr_cur_pessimistic_delete() invokes btr_set_min_rec_mark(). */ + + /* page_zip_validate() will fail here when + btr_cur_pessimistic_delete() invokes btr_set_min_rec_mark(). + Then, both "page_zip" and "page" would have the min-rec-mark + set on the smallest user record, but "page" would additionally + have it set on the smallest-but-one record. Because sloppy + page_zip_validate_low() only ignores min-rec-flag differences + in the smallest user record, it cannot be used here either. */ + current_rec = cursor->rec; ut_ad(rec_offs_validate(current_rec, index, offsets)); ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); diff --git a/page/page0zip.c b/page/page0zip.c index 136535c652c..f4c04ec91b6 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -4403,7 +4403,8 @@ page_zip_reorganize( /************************************************************************** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly -related to the storage of records. */ +related to the storage of records. Also copy PAGE_MAX_TRX_ID. +NOTE: The caller must update the lock table and the adaptive hash index. */ UNIV_INTERN void page_zip_copy_recs( @@ -4438,18 +4439,18 @@ page_zip_copy_recs( UNIV_MEM_ASSERT_RW(src_zip->data, page_zip_get_size(page_zip)); /* Copy those B-tree page header fields that are related to - the records stored in the page. Do not copy the field + the records stored in the page. Also copy the field PAGE_MAX_TRX_ID. Skip the rest of the page header and trailer. On the compressed page, there is no trailer. */ #if PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END # error "PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END" #endif memcpy(PAGE_HEADER + page, PAGE_HEADER + src, - PAGE_MAX_TRX_ID); + PAGE_HEADER_PRIV_END); memcpy(PAGE_DATA + page, PAGE_DATA + src, UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); memcpy(PAGE_HEADER + page_zip->data, PAGE_HEADER + src_zip->data, - PAGE_MAX_TRX_ID); + PAGE_HEADER_PRIV_END); memcpy(PAGE_DATA + page_zip->data, PAGE_DATA + src_zip->data, page_zip_get_size(page_zip) - PAGE_DATA); diff --git a/row/row0ext.c b/row/row0ext.c index a2ba643942e..7cba6cc81ac 100644 --- a/row/row0ext.c +++ b/row/row0ext.c @@ -40,10 +40,13 @@ row_ext_cache_fill( ext->len[i] = 0; } else { /* Fetch at most REC_MAX_INDEX_COL_LEN of the column. - The column must be non-empty. */ + The column should be non-empty. However, + trx_rollback_or_clean_all_recovered() may try to + access a half-deleted BLOB if the server previously + crashed during the execution of + btr_free_externally_stored_field(). */ ext->len[i] = btr_copy_externally_stored_field_prefix( buf, REC_MAX_INDEX_COL_LEN, zip_size, field, f_len); - ut_a(ext->len[i]); } } diff --git a/row/row0mysql.c b/row/row0mysql.c index b845fbe80f0..4daebba16fa 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1709,7 +1709,8 @@ int row_create_table_for_mysql( /*=======================*/ /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in: table definition */ + dict_table_t* table, /* in, own: table definition + (will be freed) */ trx_t* trx) /* in: transaction handle */ { tab_node_t* node; @@ -1903,7 +1904,8 @@ int row_create_index_for_mysql( /*=======================*/ /* out: error number or DB_SUCCESS */ - dict_index_t* index, /* in: index definition */ + dict_index_t* index, /* in, own: index definition + (will be freed) */ trx_t* trx, /* in: transaction handle */ const ulint* field_lengths) /* in: if not NULL, must contain dict_index_get_n_fields(index) diff --git a/row/row0sel.c b/row/row0sel.c index 9fe23daf608..620fec64b34 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -86,6 +86,16 @@ row_sel_sec_rec_is_for_blob( len = btr_copy_externally_stored_field_prefix(buf, sizeof buf, zip_size, clust_field, clust_len); + + if (UNIV_UNLIKELY(len == 0)) { + /* The BLOB was being deleted as the server crashed. + There should not be any secondary index records + referring to this clustered index record, because + btr_free_externally_stored_field() is called after all + secondary index entries of the row have been purged. */ + return(FALSE); + } + len = dtype_get_at_most_n_mbchars(prtype, mbminlen, mbmaxlen, sec_len, len, (const char*) buf); diff --git a/row/row0upd.c b/row/row0upd.c index 8b4c54c8959..52c226b05d5 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -861,6 +861,8 @@ row_upd_ext_fetch( *len = btr_copy_externally_stored_field_prefix(buf, *len, zip_size, data, local_len); + /* We should never update records containing a half-deleted BLOB. */ + ut_a(*len); return(buf); } diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 6e1ec2d9cab..a621959d1fc 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -311,7 +311,7 @@ UNIV_INTERN ibool srv_use_checksums = TRUE; UNIV_INTERN ibool srv_set_thread_priorities = TRUE; UNIV_INTERN int srv_query_thread_priority = 0; -UNIV_INTERN ulint srv_replication_delay = 0; +UNIV_INTERN ulong srv_replication_delay = 0; /*-------------------------------------------*/ UNIV_INTERN ulong srv_n_spin_wait_rounds = 20; From c25e0221bb19dbb1fc647da27e93b1777ef48060 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 21 Oct 2008 07:30:53 +0000 Subject: [PATCH 061/400] branches/innodb+: Merge revisions 2799:2835 from branches/zip: ------------------------------------------------------------------------ r2809 | marko | 2008-10-16 09:41:13 +0300 (Thu, 16 Oct 2008) | 18 lines branches/zip: Skip the undo log size check on REDUNDANT and COMPACT tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column prefix indexes require that prefixes of externally stored columns be written to the undo log. This may make the undo log record bigger than the record on the B-tree page. The maximum size of an undo log record is the page size. That must be checked for, in dict_index_add_to_cache(). dict_index_add_to_cache(): Skip the undo log size check for REDUNDANT and COMPACT tables. These tables store prefixes of externally stored columns locally within the clustered index record. There are no special considerations for the undo log record size. innodb-index.test: Ensure that the check exists for ROW_FORMAT=DYNAMIC, but not for ROW_FORMAT=COMPACT. This fixes issue #99. rb://28 approved by Sunny. ------------------------------------------------------------------------ r2810 | vasil | 2008-10-16 19:57:58 +0300 (Thu, 16 Oct 2008) | 12 lines branches/zip: Fix Mantis issue#61: In row_undo_ins_parse_undo_rec(): if we find that a table has no indexes (dict_table_get_first_index() returns NULL) do not try to call trx_undo_rec_get_row_ref() with a NULL pointer because that would lead to a crash. Instead, print a warning and set node->table to NULL just like it is done if the .ibd file is missing. Approved by: Heikki (via IM) ------------------------------------------------------------------------ r2824 | marko | 2008-10-20 09:58:01 +0300 (Mon, 20 Oct 2008) | 2 lines branches/zip: rec_convert_dtuple_to_rec_comp(): Relax a too tight assertion. Spotted by Sunny. ------------------------------------------------------------------------ r2825 | vasil | 2008-10-20 13:41:04 +0300 (Mon, 20 Oct 2008) | 6 lines branches/zip: Print the table name via ut_print_name() and add two spaces before InnoDB. Suggested by: Marko ------------------------------------------------------------------------ r2833 | marko | 2008-10-21 10:16:45 +0300 (Tue, 21 Oct 2008) | 2 lines branches/zip: ibuf_insert_low(): Avoid unnecessarily acquiring and releasing ibuf_mutex. ------------------------------------------------------------------------ r2834 | marko | 2008-10-21 10:18:57 +0300 (Tue, 21 Oct 2008) | 1 line branches/zip: ibuf_delete_rec(): Add debug assertions suggested by Heikki. ------------------------------------------------------------------------ r2835 | marko | 2008-10-21 11:04:06 +0300 (Tue, 21 Oct 2008) | 1 line branches/zip: ibuf_insert_low(): Simplify a comparison. ------------------------------------------------------------------------ --- dict/dict0dict.c | 24 ++++++++++++++++++++++++ ibuf/ibuf0ibuf.c | 19 +++++++++++++------ mysql-test/innodb-index.result | 12 ++++++++++-- mysql-test/innodb-index.test | 13 ++++++++++++- rem/rem0rec.c | 3 ++- row/row0uins.c | 17 ++++++++++++++--- 6 files changed, 75 insertions(+), 13 deletions(-) diff --git a/dict/dict0dict.c b/dict/dict0dict.c index b053c968a17..f3cce8c71b4 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1461,6 +1461,29 @@ too_big: n_ord = new_index->n_uniq; } + switch (dict_table_get_format(table)) { + case DICT_TF_FORMAT_51: + /* ROW_FORMAT=REDUNDANT and ROW_FORMAT=COMPACT store + prefixes of externally stored columns locally within + the record. There are no special considerations for + the undo log record size. */ + goto undo_size_ok; + + case DICT_TF_FORMAT_ZIP: + /* In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, + column prefix indexes require that prefixes of + externally stored columns are written to the undo log. + This may make the undo log record bigger than the + record on the B-tree page. The maximum size of an + undo log record is the page size. That must be + checked for below. */ + break; + +#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX +# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" +#endif + } + for (i = 0; i < n_ord; i++) { const dict_field_t* field = dict_index_get_nth_field(new_index, i); @@ -1494,6 +1517,7 @@ too_big: } } +undo_size_ok: /* Flag the ordering columns */ for (i = 0; i < n_ord; i++) { diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index b71d942f3fa..a8816d493c2 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3217,16 +3217,16 @@ function_exit: mem_heap_free(heap); - mutex_enter(&ibuf_mutex); - if (err == DB_SUCCESS) { + mutex_enter(&ibuf_mutex); + ibuf->empty = FALSE; - } - mutex_exit(&ibuf_mutex); + mutex_exit(&ibuf_mutex); - if ((mode == BTR_MODIFY_TREE) && (err == DB_SUCCESS)) { - ibuf_contract_after_insert(entry_size); + if (mode == BTR_MODIFY_TREE) { + ibuf_contract_after_insert(entry_size); + } } if (do_merge) { @@ -3553,6 +3553,9 @@ ibuf_delete_rec( ulint err; ut_ad(ibuf_inside()); + ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); + ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); + ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); success = btr_cur_optimistic_delete(btr_pcur_get_btr_cur(pcur), mtr); @@ -3568,6 +3571,10 @@ ibuf_delete_rec( return(FALSE); } + ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); + ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); + ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); + /* We have to resort to a pessimistic delete from ibuf */ btr_pcur_store_position(pcur, mtr); diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index c60acf3d029..21e15705b33 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -886,10 +886,12 @@ a 44 commit; drop table t1; +set global innodb_file_per_table=on; +set global innodb_file_format='Barracuda'; create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, q blob,r blob,s blob,t blob,u blob) -engine=innodb; +engine=innodb row_format=dynamic; create index t1a on t1 (a(1)); create index t1b on t1 (b(1)); create index t1c on t1 (c(1)); @@ -960,8 +962,14 @@ t1 CREATE TABLE `t1` ( KEY `t1s` (`s`(1)), KEY `t1t` (`t`(1)), KEY `t1st` (`s`(1),`t`(1)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 +) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC +create index t1u on t1 (u(1)); +ERROR HY000: Too big row +alter table t1 row_format=compact; +create index t1u on t1 (u(1)); drop table t1; +set global innodb_file_per_table=0; +set global innodb_file_format=Antelope; SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; CREATE TABLE t1( diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index d4578accf6f..07f709eee38 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -354,6 +354,10 @@ disconnect b; drop table t1; +let $per_table=`select @@innodb_file_per_table`; +let $format=`select @@innodb_file_format`; +set global innodb_file_per_table=on; +set global innodb_file_format='Barracuda'; # Test creating a table that could lead to undo log overflow. # In the undo log, we write a 768-byte prefix (REC_MAX_INDEX_COL_LEN) # of each externally stored column that appears as a column prefix in an index. @@ -361,7 +365,7 @@ drop table t1; create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, q blob,r blob,s blob,t blob,u blob) - engine=innodb; + engine=innodb row_format=dynamic; create index t1a on t1 (a(1)); create index t1b on t1 (b(1)); create index t1c on t1 (c(1)); @@ -388,7 +392,14 @@ create index t1u on t1 (u(1)); create index t1ut on t1 (u(1), t(1)); create index t1st on t1 (s(1), t(1)); show create table t1; +--error 139 +create index t1u on t1 (u(1)); +alter table t1 row_format=compact; +create index t1u on t1 (u(1)); + drop table t1; +eval set global innodb_file_per_table=$per_table; +eval set global innodb_file_format=$format; # # Test to check whether CREATE INDEX handles implicit foreign key diff --git a/rem/rem0rec.c b/rem/rem0rec.c index 7141468bf59..e712bc03a38 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -1048,7 +1048,8 @@ rec_convert_dtuple_to_rec_comp( ulint n_node_ptr_field; ulint fixed_len; ulint null_mask = 1; - ut_ad(dict_table_is_comp(index->table)); + ut_ad(extra == 0 || dict_table_is_comp(index->table)); + ut_ad(extra == 0 || extra == REC_N_NEW_EXTRA_BYTES); ut_ad(n_fields > 0); switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { diff --git a/row/row0uins.c b/row/row0uins.c index a642c58e277..75b46769c8c 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -231,7 +231,7 @@ static void row_undo_ins_parse_undo_rec( /*========================*/ - undo_node_t* node) /* in: row undo node */ + undo_node_t* node) /* in/out: row undo node */ { dict_index_t* clust_index; byte* ptr; @@ -258,8 +258,19 @@ row_undo_ins_parse_undo_rec( } else { clust_index = dict_table_get_first_index(node->table); - ptr = trx_undo_rec_get_row_ref( - ptr, clust_index, &node->ref, node->heap); + if (clust_index != NULL) { + ptr = trx_undo_rec_get_row_ref( + ptr, clust_index, &node->ref, node->heap); + } else { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: table "); + ut_print_name(stderr, node->trx, TRUE, + node->table->name); + fprintf(stderr, " has no indexes, " + "ignoring the table\n"); + + node->table = NULL; + } } } From c829e1c49770b65cd4e4eb9134fa29a11c42dab7 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 22 Oct 2008 10:00:01 +0000 Subject: [PATCH 062/400] branches/innodb+: ibuf_insert_to_index_page(): When the page is empty, look at the first deleted record when checking the number of fields. This fixes part of Issue #82. --- ibuf/ibuf0ibuf.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index a8816d493c2..a0cf50b1505 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3330,6 +3330,20 @@ ibuf_insert_to_index_page( rec = page_rec_get_next(page_get_infimum_rec(page)); + if (page_rec_is_supremum(rec)) { + /* Empty pages can result from buffered delete operations. + The first record from the free list can be used to find the + father node. */ + rec = page_header_get_ptr(page, PAGE_FREE); + if (UNIV_UNLIKELY(rec == NULL)) { + fputs("InnoDB: Trying to insert a record from" + " the insert buffer to an index page\n" + "InnoDB: but the index page is empty!\n", + stderr); + goto dump; + } + } + if (UNIV_UNLIKELY(rec_get_n_fields(rec, index) != dtuple_get_n_fields(entry))) { fputs("InnoDB: Trying to insert a record from" From f557ff3ea9096499ab5cc23c09eb715bbc1762da Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 23 Oct 2008 10:03:20 +0000 Subject: [PATCH 063/400] branches/innodb+: Merge revisions 2835:2862 from branches/zip: ------------------------------------------------------------------------ r2838 | vasil | 2008-10-21 12:49:27 +0300 (Tue, 21 Oct 2008) | 61 lines branches/zip: Merge 2744:2837 from branches/5.1 (skipping r2782 and r2826): ------------------------------------------------------------------------ r2832 | vasil | 2008-10-21 10:08:30 +0300 (Tue, 21 Oct 2008) | 10 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: In ha_innobase::info(): Replace sql_print_warning() which prints to mysqld error log with push_warning_printf() which sends the error message to the client. Suggested by: Marko, Sunny, Michael Objected by: Inaam ------------------------------------------------------------------------ r2837 | vasil | 2008-10-21 12:07:44 +0300 (Tue, 21 Oct 2008) | 32 lines Changed paths: M /branches/5.1/mysql-test/innodb-semi-consistent.result M /branches/5.1/mysql-test/innodb-semi-consistent.test M /branches/5.1/mysql-test/innodb.result M /branches/5.1/mysql-test/innodb.test branches/5.1: Merge a change from MySQL (this fixes the failing innodb and innodb-semi-consistent tests): revno: 2757 committer: Georgi Kodinov branch nick: B39812-5.1-5.1.29-rc timestamp: Fri 2008-10-03 15:24:19 +0300 message: Bug #39812: Make statement replication default for 5.1 (to match 5.0) Make STMT replication default for 5.1. Add a default of MIXED into the config files Fix the tests that needed MIXED replication mode. modified: mysql-test/include/mix1.inc mysql-test/r/innodb-semi-consistent.result mysql-test/r/innodb.result mysql-test/r/innodb_mysql.result mysql-test/r/tx_isolation_func.result mysql-test/t/innodb-semi-consistent.test mysql-test/t/innodb.test mysql-test/t/tx_isolation_func.test sql/mysqld.cc support-files/my-huge.cnf.sh support-files/my-innodb-heavy-4G.cnf.sh support-files/my-large.cnf.sh support-files/my-medium.cnf.sh support-files/my-small.cnf.sh ------------------------------------------------------------------------ ------------------------------------------------------------------------ r2847 | marko | 2008-10-22 10:07:37 +0300 (Wed, 22 Oct 2008) | 6 lines branches/zip: page_zip_rec_needs_ext(): Fix a bug that was introduced in the fix of Mantis issue #73. With key_block_size=16, we will also have to check the available space on the uncompressed page. Otherwise, the clustered index record can be almost 16 kilobytes in size, and the undo log record will not fit. ------------------------------------------------------------------------ r2850 | marko | 2008-10-22 13:52:12 +0300 (Wed, 22 Oct 2008) | 2 lines branches/zip: ibuf_insert_to_index_page(): Discard the local variable block. page_cur is always positioned on block, the function parameter. ------------------------------------------------------------------------ r2853 | sunny | 2008-10-23 01:52:09 +0300 (Thu, 23 Oct 2008) | 2 lines branches/zip: Add missing UNIV_INTERN. ------------------------------------------------------------------------ r2855 | sunny | 2008-10-23 09:29:46 +0300 (Thu, 23 Oct 2008) | 36 lines branches/zip: Merge revisions 2837:2852 from branches/5.1: ------------------------------------------------------------------------ r2849 | sunny | 2008-10-22 12:01:18 +0300 (Wed, 22 Oct 2008) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/row0mysql.h M /branches/5.1/row/row0mysql.c branches/5.1: Return the actual error code encountered when allocating a new autoinc value. The change in behavior (bug) was introduced in 5.1.22 when we introduced the new AUTOINC locking model. rb://31 Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout errors ------------------------------------------------------------------------ r2852 | sunny | 2008-10-23 01:42:24 +0300 (Thu, 23 Oct 2008) | 9 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/handler/ha_innodb.h branches/5.1: Backport r2724 from branches/zip Check column value against the col max value before updating the table's global autoinc counter value. This is part of simplifying the AUTOINC sub-system. We extract the type info from MySQL data structures at runtime. This fixes Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed tables ------------------------------------------------------------------------ ------------------------------------------------------------------------ r2856 | sunny | 2008-10-23 10:07:05 +0300 (Thu, 23 Oct 2008) | 1 line Reverting test file changes from r2855 ------------------------------------------------------------------------ r2857 | sunny | 2008-10-23 10:24:33 +0300 (Thu, 23 Oct 2008) | 30 lines branches/zip: Merge revisions 2852:2854 from branches/5.1: ------------------------------------------------------------------------ r2854 | sunny | 2008-10-23 08:30:32 +0300 (Thu, 23 Oct 2008) | 13 lines Changed paths: M /branches/5.1/dict/dict0dict.c M /branches/5.1/dict/dict0mem.c M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/handler/ha_innodb.h M /branches/5.1/include/dict0dict.h M /branches/5.1/include/dict0mem.h M /branches/5.1/row/row0mysql.c branches/5.1: Backport changes from branches/zip r2725 Simplify the autoinc initialization code. This removes the non-determinism related to reading the table's autoinc value for the first time. This change has also reduced the sizeof dict_table_t by sizeof(ibool) bytes because we don't need the dict_table_t::autoinc_inited field anymore. Bug#39830 Table autoinc value not updated on first insert. Bug#35498 Cannot get table test/table1 auto-inccounter value in ::info Bug#36411 Failed to read auto-increment value from storage engine" in 5.1.24 auto-inc rb://16 ------------------------------------------------------------------------ ------------------------------------------------------------------------ r2858 | vasil | 2008-10-23 11:33:43 +0300 (Thu, 23 Oct 2008) | 4 lines branches/zip: Update the ChangeLog ------------------------------------------------------------------------ r2861 | marko | 2008-10-23 12:27:15 +0300 (Thu, 23 Oct 2008) | 24 lines branches/zip: Clean up the file format stamping. trx_sys_file_format_max_upgrade(): Rename from trx_sys_file_format_max_update(). Improve the documentation. Add a const qualifier to the parameter "name". Replace the parameter "flags" with "format_id", because this function should deal with file format identifiers, not with table flags. trx_sys_file_format_max_write(), trx_sys_file_format_max_set(): Add a const qualifier to the parameter "name". ha_innodb.cc: Correct the spelling in some comments: "side effect". Remove redundant prototypes for some static callback functions. innodb_file_format_name_update(), innodb_file_format_check_update(): Correct the function signature. Use appropriate pointer type conversions. MYSQL_SYSVAR_STR(file_format), MYSQL_SYSVAR_STR(file_format_check): Remove the type conversions from the callback function pointers. When the function signatures match, no type conversion is needed. The type conversions would only prevent compilation warnings for any mismatch. Approved by Sunny in rb://25. ------------------------------------------------------------------------ r2862 | marko | 2008-10-23 12:37:42 +0300 (Thu, 23 Oct 2008) | 8 lines branches/zip: Non-functional changes: ibuf_get_volume_buffered(): Declare with static linkage. This function is private to ibuf0ibuf.c. btr_cur_pessimistic_delete(): Use the cached result of btr_cur_get_index(cursor). ------------------------------------------------------------------------ --- ChangeLog | 23 +++ btr/btr0cur.c | 2 +- dict/dict0dict.c | 3 +- dict/dict0mem.c | 6 + handler/ha_innodb.cc | 217 ++++++++--------------- handler/ha_innodb.h | 2 +- ibuf/ibuf0ibuf.c | 4 +- include/dict0dict.h | 4 +- include/page0zip.ic | 6 +- include/row0mysql.h | 5 + include/trx0sys.h | 18 +- mysql-test/innodb-semi-consistent.result | 2 + mysql-test/innodb-semi-consistent.test | 2 + mysql-test/innodb.result | 17 ++ mysql-test/innodb.test | 17 ++ row/row0mysql.c | 1 + trx/trx0sys.c | 31 ++-- 17 files changed, 181 insertions(+), 179 deletions(-) diff --git a/ChangeLog b/ChangeLog index 77aa70fab84..4430a1b0719 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,26 @@ +2008-10-22 The InnoDB Team + + * dict/dict0dict.c, dict/dict0mem.c, handler/ha_innodb.cc, + handler/ha_innodb.h, include/dict0dict.h, include/dict0mem.h, + row/row0mysql.c: + Fix Bug#39830 Table autoinc value not updated on first insert + Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in + ::info + Fix Bug#36411 "Failed to read auto-increment value from storage + engine" in 5.1.24 auto-inc + +2008-10-22 The InnoDB Team + + * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: + Fix Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout + errors + +2008-10-09 The InnoDB Team + + * buf/buf0lru.c: + Fix Bug#39939 DROP TABLE/DISCARD TABLESPACE takes long time in + buf_LRU_invalidate_tablespace() + 2008-10-08 The InnoDB Team * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, diff --git a/btr/btr0cur.c b/btr/btr0cur.c index f53d032de39..c5a13e62c10 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -3004,7 +3004,7 @@ btr_cur_pessimistic_delete( } if (UNIV_UNLIKELY(page_get_n_recs(page) < 2) - && UNIV_UNLIKELY(dict_index_get_page(btr_cur_get_index(cursor)) + && UNIV_UNLIKELY(dict_index_get_page(index) != buf_block_get_page_no(block))) { /* If there is only one record, drop the whole page in diff --git a/dict/dict0dict.c b/dict/dict0dict.c index f3cce8c71b4..23822d7f9f7 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -317,7 +317,7 @@ dict_table_autoinc_read( /************************************************************************ Updates the autoinc counter if the value supplied is greater than the -current value. If not inited, does nothing. */ +current value. */ UNIV_INTERN void dict_table_autoinc_update_if_greater( @@ -329,6 +329,7 @@ dict_table_autoinc_update_if_greater( ut_ad(mutex_own(&table->autoinc_mutex)); if (value > table->autoinc) { + table->autoinc = value; } } diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 9ede26ddb42..bf0e14304dd 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -62,6 +62,12 @@ dict_mem_table_create( mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); + table->autoinc = 0; + + /* The number of transactions that are either waiting on the + AUTOINC lock or have been granted the lock. */ + table->n_waiting_or_granted_auto_inc_locks = 0; + #ifdef UNIV_DEBUG table->magic_n = DICT_TABLE_MAGIC_N; #endif /* UNIV_DEBUG */ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 5789b0c40f0..a05cfdee3a2 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -210,7 +210,7 @@ innobase_file_format_name_lookup( const char* format_name); /* in: pointer to file format name */ /**************************************************************** -Validate the file format check config parameters, as a side affect it +Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. */ static bool @@ -220,7 +220,7 @@ innobase_file_format_check_on_off( "on" or "off" */ const char* format_check); /* in: parameter value */ /**************************************************************** -Validate the file format check config parameters, as a side affect it +Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. */ static bool @@ -229,71 +229,6 @@ innobase_file_format_check_validate( /* out: true if valid config value */ const char* format_check); /* in: parameter value */ -/***************************************************************** -Check if it is a valid file format. This function is registered as -a callback with MySQL. */ -static -int -innodb_file_format_name_validate( -/*=============================*/ - /* out: 0 for valid file - format */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system - variable */ - void* save, /* out: immediate result - for update function */ - struct st_mysql_value* value); /* in: incoming string */ -/******************************************************************** -Update the system variable innodb_file_format using the "saved" -value. This function is registered as a callback with MySQL. */ -static -bool -innodb_file_format_name_update( -/*===========================*/ - /* out: should never - fail since it is - already validated */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to - system variable */ - void* var_ptr,/* out: where the - formal string goes */ - void* save); /* in: immediate result - from check function */ -/***************************************************************** -Check if it is a valid file format. This function is registered as -a callback with MySQL. */ -static -int -innodb_file_format_check_validate( -/*==============================*/ - /* out: 0 for valid file - format */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system - variable */ - void* save, /* out: immediate result - for update function */ - struct st_mysql_value* value); /* in: incoming string */ -/******************************************************************** -Update the system variable innodb_file_format_check using the "saved" -value. This function is registered as a callback with MySQL. */ -static -bool -innodb_file_format_check_update( -/*============================*/ - /* out: should never - fail since it is - already validated */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to - system variable */ - void* var_ptr,/* out: where the - formal string goes */ - void* save); /* in: immediate result - from check function */ - /******************************************************************** Return alter table flags supported in an InnoDB database. */ static @@ -1136,7 +1071,9 @@ innobase_next_autoinc( /* Should never be 0. */ ut_a(increment > 0); - if (offset <= 1) { + if (max_value <= current) { + next_value = max_value; + } else if (offset <= 1) { /* Offset 0 and 1 are the same, because there must be at least one node in the system. */ if (max_value - current <= increment) { @@ -1161,6 +1098,8 @@ innobase_next_autoinc( } else { next_value *= increment; + ut_a(max_value >= next_value); + /* Check for overflow. */ if (max_value - next_value <= offset) { next_value = max_value; @@ -1984,13 +1923,13 @@ innobase_init( /* Process innobase_file_format_check variable */ ut_a(innobase_file_format_check != NULL); - /* As a side affect it will set srv_check_file_format_at_startup + /* As a side effect it will set srv_check_file_format_at_startup on valid input. First we check for "on"/"off". */ if (!innobase_file_format_check_on_off(innobase_file_format_check)) { /* Did the user specify a format name that we support ? - As a side affect it will update the variable - srv_check_file_format_at_startup*/ + As a side effect it will update the variable + srv_check_file_format_at_startup */ if (!innobase_file_format_check_validate( innobase_file_format_check)) { @@ -2800,7 +2739,7 @@ normalize_table_name( /************************************************************************ Set the autoinc column max value. This should only be called once from ha_innobase::open(). Therefore there's no need for a covering lock. */ - +UNIV_INTERN ulint ha_innobase::innobase_initialize_autoinc() /*======================================*/ @@ -2832,7 +2771,7 @@ ha_innobase::innobase_initialize_autoinc() "index (%s).\n", error, col_name, index->name); } - return(ulong(error)); + return(error); } /********************************************************************* @@ -3028,8 +2967,9 @@ retry: /* We update the highest file format in the system table space, if this table has higher file format setting. */ - trx_sys_file_format_max_update( - prebuilt->table->flags, &innobase_file_format_check); + trx_sys_file_format_max_upgrade( + (const char**) &innobase_file_format_check, + dict_table_get_format(prebuilt->table)); } info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST); @@ -4138,8 +4078,20 @@ no_commit: /* This is the case where the table has an auto-increment column */ if (table->next_number_field && record == table->record[0]) { + /* Reset the error code before calling + innobase_get_auto_increment(). */ + prebuilt->autoinc_error = DB_SUCCESS; + if ((error = update_auto_increment())) { + /* We don't want to mask autoinc overflow errors. */ + if (prebuilt->autoinc_error != DB_SUCCESS) { + error = prebuilt->autoinc_error; + + goto report_error; + } + + /* MySQL errors are passed straight back. */ goto func_exit; } @@ -4241,6 +4193,7 @@ set_max_autoinc: innodb_srv_conc_exit_innodb(prebuilt->trx); +report_error: error = convert_error_code_to_mysql(error, prebuilt->table->flags, user_thd); @@ -6149,10 +6102,14 @@ ha_innobase::create( DBUG_ASSERT(innobase_table != 0); - /* We update the highest file format in the system table - space, if this table has a higher file format setting. */ + if (innobase_table) { + /* We update the highest file format in the system table + space, if this table has higher file format setting. */ - trx_sys_file_format_max_update(flags, &innobase_file_format_check); + trx_sys_file_format_max_upgrade( + (const char**) &innobase_file_format_check, + dict_table_get_format(innobase_table)); + } /* Note: We can't call update_thd() as prebuilt will not be setup at this stage and so we use thd. */ @@ -6915,12 +6872,21 @@ ha_innobase::info( ib_table->space) * 1024; } else { - sql_print_warning( - "Trying to get the free space for " - "table %s but its tablespace has " - "been discarded or the .ibd file " - "is missing. Setting the free space " - "to zero.", ib_table->name); + THD* thd; + + thd = ha_thd(); + + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_GET_STAT, + "InnoDB: Trying to get the free " + "space for table %s but its " + "tablespace has been discarded or " + "the .ibd file is missing. Setting " + "the free space to zero.", + ib_table->name); + stats.delete_length = 0; } @@ -8362,49 +8328,22 @@ ha_innobase::innobase_get_autoinc( /* out: DB_SUCCESS or error code */ ulonglong* value) /* out: autoinc value */ { - ulint error; - *value = 0; - error = innobase_lock_autoinc(); + prebuilt->autoinc_error = innobase_lock_autoinc(); - if (error == DB_SUCCESS) { + if (prebuilt->autoinc_error == DB_SUCCESS) { /* Determine the first value of the interval */ *value = dict_table_autoinc_read(prebuilt->table); /* It should have been initialized during open. */ ut_a(*value != 0); - - /* We need to send the messages to the client because - handler::get_auto_increment() doesn't allow a way - to return the specific error for why it failed. */ - } else if (error == DB_DEADLOCK) { - THD* thd = ha_thd(); - - push_warning( - thd, MYSQL_ERROR::WARN_LEVEL_ERROR, - ER_LOCK_DEADLOCK, - "InnoDB: Deadlock in " - "innobase_get_autoinc()"); - } else if (error == DB_LOCK_WAIT_TIMEOUT) { - THD* thd = ha_thd(); - - push_warning( - thd, MYSQL_ERROR::WARN_LEVEL_ERROR, - ER_LOCK_WAIT_TIMEOUT, - "InnoDB: Lock wait timeout in " - "innobase_get_autoinc()"); - } else { - sql_print_error( - "InnoDB: Error: %lu in " - "innobase_get_autoinc()", - error); } - - return(error); + + return(prebuilt->autoinc_error); } - + /*********************************************************************** This function reads the global auto-inc counter. It doesn't use the AUTOINC lock even if the lock mode is set to TRADITIONAL. */ @@ -9079,7 +9018,7 @@ innobase_file_format_name_lookup( /**************************************************************** Validate the file format check value, is it one of "on" or "off", -as a side affect it sets the srv_check_file_format_at_startup variable. */ +as a side effect it sets the srv_check_file_format_at_startup variable. */ static bool innobase_file_format_check_on_off( @@ -9107,7 +9046,7 @@ innobase_file_format_check_on_off( } /**************************************************************** -Validate the file format check config parameters, as a side affect it +Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. */ static bool @@ -9118,7 +9057,7 @@ innobase_file_format_check_validate( { uint format_id; bool ret = true; - + format_id = innobase_file_format_name_lookup(format_check); if (format_id < DICT_TF_FORMAT_MAX + 1) { @@ -9175,32 +9114,25 @@ innodb_file_format_name_validate( Update the system variable innodb_file_format using the "saved" value. This function is registered as a callback with MySQL. */ static -bool +void innodb_file_format_name_update( /*===========================*/ - /* out: should never - fail since it is - already validated */ THD* thd, /* in: thread handle */ struct st_mysql_sys_var* var, /* in: pointer to system variable */ void* var_ptr, /* out: where the formal string goes */ - void* save) /* in: immediate result + const void* save) /* in: immediate result from check function */ { ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(uint*) save) <= DICT_TF_FORMAT_MAX); + ut_a((*(const uint*) save) <= DICT_TF_FORMAT_MAX); - srv_file_format = *(uint*) save; + srv_file_format = *(const uint*) save; - /* Given the type of var_ptr we have little choice but to cast - away the constness from the returned name. */ - (*(char**) var_ptr) = - (char*) trx_sys_file_format_id_to_name(srv_file_format); - - return(true); + *(const char**) var_ptr + = trx_sys_file_format_id_to_name(srv_file_format); } /***************************************************************** @@ -9269,18 +9201,15 @@ innodb_file_format_check_validate( Update the system variable innodb_file_format_check using the "saved" value. This function is registered as a callback with MySQL. */ static -bool +void innodb_file_format_check_update( /*============================*/ - /* out: should never - fail since it is - already validated */ THD* thd, /* in: thread handle */ struct st_mysql_sys_var* var, /* in: pointer to system variable */ void* var_ptr, /* out: where the formal string goes */ - void* save) /* in: immediate result + const void* save) /* in: immediate result from check function */ { uint format_id; @@ -9288,17 +9217,15 @@ innodb_file_format_check_update( ut_a(save != NULL); ut_a(var_ptr != NULL); - format_id = *(uint*) save; + format_id = *(const uint*) save; /* Update the max format id in the system tablespace. */ - if (trx_sys_file_format_max_set(format_id, (char**) var_ptr)) { + if (trx_sys_file_format_max_set(format_id, (const char**) var_ptr)) { ut_print_timestamp(stderr); fprintf(stderr, " [Info] InnoDB: the file format in the system " "tablespace is now set to %s.\n", *(char**) var_ptr); } - - return(true); } static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) @@ -9355,14 +9282,14 @@ static MYSQL_SYSVAR_BOOL(file_per_table, srv_file_per_table, static MYSQL_SYSVAR_STR(file_format, innobase_file_format_name, PLUGIN_VAR_RQCMDARG, "File format to use for new tables in .ibd files.", - (mysql_var_check_func) &innodb_file_format_name_validate, - (mysql_var_update_func) &innodb_file_format_name_update, "Antelope"); + innodb_file_format_name_validate, + innodb_file_format_name_update, "Antelope"); static MYSQL_SYSVAR_STR(file_format_check, innobase_file_format_check, PLUGIN_VAR_OPCMDARG, "The highest file format in the tablespace.", - (mysql_var_check_func) &innodb_file_format_check_validate, - (mysql_var_update_func) &innodb_file_format_check_update, + innodb_file_format_check_validate, + innodb_file_format_check_update, "on"); static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 1a73ea3f533..dbb24e99901 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -81,7 +81,7 @@ class ha_innobase: public handler ulint innobase_update_autoinc(ulonglong auto_inc); ulint innobase_initialize_autoinc(); dict_index_t* innobase_get_index(uint keynr); - ulonglong innobase_get_int_col_max_value(const Field* field); + ulonglong innobase_get_int_col_max_value(const Field* field); /* Init values for the class: */ public: diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index a0cf50b1505..b2d42d0a748 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2526,7 +2526,7 @@ ibuf_contract_after_insert( /************************************************************************* Gets an upper limit for the combined size of entries buffered in the insert buffer for a given page. */ -UNIV_INTERN +static ulint ibuf_get_volume_buffered( /*=====================*/ @@ -3370,11 +3370,9 @@ dump: PAGE_CUR_LE, &page_cur); if (low_match == dtuple_get_n_fields(entry)) { - buf_block_t* block; page_zip_des_t* page_zip; rec = page_cur_get_rec(&page_cur); - block = page_cur_get_block(&page_cur); page_zip = buf_block_get_page_zip(block); btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, FALSE, mtr); diff --git a/include/dict0dict.h b/include/dict0dict.h index 00d1923cb1f..31482f92cd3 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -189,8 +189,8 @@ dict_table_autoinc_read( /* out: value for a new row, or 0 */ const dict_table_t* table); /* in: table */ /************************************************************************ -Updates the autoinc counter if the value supplied is equal or bigger than the -current value. If not inited, does nothing. */ +Updates the autoinc counter if the value supplied is greater than the +current value. */ UNIV_INTERN void dict_table_autoinc_update_if_greater( diff --git a/include/page0zip.ic b/include/page0zip.ic index 7f4a8782bfd..ece24941f75 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -168,9 +168,11 @@ page_zip_rec_needs_ext( the dense page directory for every record. But there is no record header. There should be enough room for one record on an empty leaf page. Subtract 1 byte for - the encoded heap number. */ + the encoded heap number. Check also the available space + on the uncompressed page. */ return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2) - >= (page_zip_empty_size(n_fields, zip_size) - 1)); + >= (page_zip_empty_size(n_fields, zip_size) - 1) + || rec_size >= page_get_free_space_of_empty(TRUE) / 2); } return(rec_size >= page_get_free_space_of_empty(comp) / 2); diff --git a/include/row0mysql.h b/include/row0mysql.h index 7a361c99070..579414715fe 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -707,6 +707,11 @@ struct row_prebuilt_struct { ulonglong autoinc_offset; /* The offset passed to get_auto_increment() by MySQL. Required to calculate the next value */ + ulint autoinc_error; /* The actual error code encountered + while trying to init or read the + autoinc value from the table. We + store it here so that we can return + it to MySQL */ /*----------------------*/ UT_LIST_NODE_T(row_prebuilt_t) prebuilts; /* list node of table->prebuilts */ diff --git a/include/trx0sys.h b/include/trx0sys.h index f6074b0614c..8271a5fb38a 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -326,7 +326,7 @@ const char* trx_sys_file_format_id_to_name( /*===========================*/ /* out: pointer to the name */ - const uint id); /* in: id of the file format */ + const ulint id); /* in: id of the file format */ /********************************************************************* Set the file format id unconditionally except if it's already the same value. */ @@ -336,7 +336,7 @@ trx_sys_file_format_max_set( /*========================*/ /* out: TRUE if value updated */ ulint format_id, /* in: file format id */ - char** name); /* out: max file format name or + const char** name); /* out: max file format name or NULL if not needed. */ /********************************************************************* Get the name representation of the file format from its id. */ @@ -354,14 +354,16 @@ trx_sys_file_format_max_check( /* out: DB_SUCCESS or error code */ ulint max_format_id); /* in: the max format id to check */ /************************************************************************ -Update the file format tag in the tablespace to the max value. */ +Update the file format tag in the system tablespace only if the given +format id is greater than the known max id. */ UNIV_INTERN ibool -trx_sys_file_format_max_update( -/*===========================*/ - /* out: TRUE if value updated */ - uint flags, /* in: flags of the table */ - char** name); /* out: max format name */ +trx_sys_file_format_max_upgrade( +/*============================*/ + /* out: TRUE if format_id was + bigger than the known max id */ + const char** name, /* out: max file format name */ + ulint format_id); /* in: file format identifier */ /* The automatically created system rollback segment has this id */ #define TRX_SYS_SYSTEM_RSEG_ID 0 diff --git a/mysql-test/innodb-semi-consistent.result b/mysql-test/innodb-semi-consistent.result index f1139390f20..6173048c320 100644 --- a/mysql-test/innodb-semi-consistent.result +++ b/mysql-test/innodb-semi-consistent.result @@ -1,4 +1,5 @@ drop table if exists t1; +set binlog_format=mixed; set session transaction isolation level read committed; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; insert into t1 values (1),(2),(3),(4),(5),(6),(7); @@ -6,6 +7,7 @@ set autocommit=0; select * from t1 where a=3 lock in share mode; a 3 +set binlog_format=mixed; set session transaction isolation level read committed; set autocommit=0; update t1 set a=10 where a=5; diff --git a/mysql-test/innodb-semi-consistent.test b/mysql-test/innodb-semi-consistent.test index c33126b93ff..a3496625e95 100644 --- a/mysql-test/innodb-semi-consistent.test +++ b/mysql-test/innodb-semi-consistent.test @@ -10,6 +10,7 @@ drop table if exists t1; connect (a,localhost,root,,); connect (b,localhost,root,,); connection a; +set binlog_format=mixed; set session transaction isolation level read committed; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; insert into t1 values (1),(2),(3),(4),(5),(6),(7); @@ -17,6 +18,7 @@ set autocommit=0; # this should lock the entire table select * from t1 where a=3 lock in share mode; connection b; +set binlog_format=mixed; set session transaction isolation level read committed; set autocommit=0; -- error ER_LOCK_WAIT_TIMEOUT diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index 4f56a54bd87..d84878cac21 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -1024,6 +1024,7 @@ id code name 4 2 Erik 5 3 Sasha COMMIT; +SET binlog_format='MIXED'; BEGIN; SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); @@ -2963,9 +2964,11 @@ drop table t1,t2; create table t1(a int not null, b int, primary key(a)) engine=innodb; insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); commit; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; update t1 set b = 5 where b = 1; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; select * from t1 where a = 7 and b = 3 for update; @@ -3004,6 +3007,7 @@ d e 3 1 8 6 12 1 +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; insert into t1 select * from t2; @@ -3034,30 +3038,39 @@ a b 3 1 8 6 12 1 +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; insert into t1 select * from t2; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; update t3 set b = (select b from t2 where a = d); +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; insert into t5 (select * from t2 lock in share mode); +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; update t6 set e = (select b from t2 where a = d lock in share mode); +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; insert into t8 (select * from t2 for update); +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; update t9 set e = (select b from t2 where a = d for update); +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; @@ -3205,6 +3218,7 @@ id -10 1 DROP TABLE t1; +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; DROP TABLE IF EXISTS t1, t2; @@ -3215,6 +3229,7 @@ CREATE TABLE t1 ( a int ) ENGINE=InnoDB; CREATE TABLE t2 LIKE t1; SELECT * FROM t2; a +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; INSERT INTO t1 VALUES (1); @@ -3222,10 +3237,12 @@ COMMIT; SELECT * FROM t1 WHERE a=1; a 1 +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; SELECT * FROM t2; a +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; INSERT INTO t1 VALUES (2); diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index 9c0ce303244..447abee21cd 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -701,6 +701,7 @@ insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); select id, code, name from t1 order by id; COMMIT; +SET binlog_format='MIXED'; BEGIN; SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); @@ -2001,10 +2002,12 @@ connection a; create table t1(a int not null, b int, primary key(a)) engine=innodb; insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); commit; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; update t1 set b = 5 where b = 1; connection b; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; # @@ -2072,6 +2075,7 @@ commit; set autocommit = 0; select * from t2 for update; connection b; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; insert into t1 select * from t2; @@ -2128,46 +2132,55 @@ commit; set autocommit = 0; select * from t2 for update; connection b; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; --send insert into t1 select * from t2; connection c; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; --send update t3 set b = (select b from t2 where a = d); connection d; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; --send create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; connection e; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send insert into t5 (select * from t2 lock in share mode); connection f; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send update t6 set e = (select b from t2 where a = d lock in share mode); connection g; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; connection h; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send insert into t8 (select * from t2 for update); connection i; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send update t9 set e = (select b from t2 where a = d for update); connection j; +SET binlog_format='MIXED'; set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; --send @@ -2382,6 +2395,7 @@ DROP TABLE t1; CONNECT (c1,localhost,root,,); CONNECT (c2,localhost,root,,); CONNECTION c1; +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; DROP TABLE IF EXISTS t1, t2; @@ -2389,6 +2403,7 @@ CREATE TABLE t1 ( a int ) ENGINE=InnoDB; CREATE TABLE t2 LIKE t1; SELECT * FROM t2; CONNECTION c2; +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; INSERT INTO t1 VALUES (1); @@ -2400,10 +2415,12 @@ DISCONNECT c2; CONNECT (c1,localhost,root,,); CONNECT (c2,localhost,root,,); CONNECTION c1; +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; SELECT * FROM t2; CONNECTION c2; +SET binlog_format='MIXED'; SET TX_ISOLATION='read-committed'; SET AUTOCOMMIT=0; INSERT INTO t1 VALUES (2); diff --git a/row/row0mysql.c b/row/row0mysql.c index 4daebba16fa..ef2d45a37d5 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -625,6 +625,7 @@ row_create_prebuilt( prebuilt->clust_ref = ref; + prebuilt->autoinc_error = 0; prebuilt->autoinc_offset = 0; /* Default to 1, we will set the actual value later in diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 37bedb3e663..68bcc41a2a3 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -24,7 +24,7 @@ Created 3/26/1996 Heikki Tuuri /* The file format tag structure with id and name. */ struct file_format_struct { - uint id; /* id of the file format */ + ulint id; /* id of the file format */ const char* name; /* text representation of the file format */ mutex_t mutex; /* covers changes to the above @@ -95,8 +95,8 @@ static const char* file_format_name_map[] = { }; /* The number of elements in the file format name array. */ -static const ulint FILE_FORMAT_NAME_N = - sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); +static const ulint FILE_FORMAT_NAME_N + = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); /* This is used to track the maximum file format id known to InnoDB. It's updated via SET GLOBAL innodb_file_format_check = 'x' or when we open @@ -1057,7 +1057,7 @@ trx_sys_file_format_max_write( /*==========================*/ /* out: always TRUE */ ulint format_id, /* in: file format id */ - char** name) /* out: max file format name, can + const char** name) /* out: max file format name, can be NULL */ { mtr_t mtr; @@ -1077,7 +1077,7 @@ trx_sys_file_format_max_write( tag_value_low = format_id + TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; if (name) { - *name = (char*) file_format_max.name; + *name = file_format_max.name; } mlog_write_dulint( @@ -1137,7 +1137,7 @@ const char* trx_sys_file_format_id_to_name( /*===========================*/ /* out: pointer to the name */ - const uint id) /* in: id of the file format */ + const ulint id) /* in: id of the file format */ { ut_a(id < FILE_FORMAT_NAME_N); @@ -1207,7 +1207,7 @@ trx_sys_file_format_max_set( /*========================*/ /* out: TRUE if value updated */ ulint format_id, /* in: file format id */ - char** name) /* out: max file format name or + const char** name) /* out: max file format name or NULL if not needed. */ { ibool ret = FALSE; @@ -1248,20 +1248,19 @@ trx_sys_file_format_tag_init(void) } /************************************************************************ -Update the file format tag in the tablespace only if the given format id -is greater than the known max id. */ +Update the file format tag in the system tablespace only if the given +format id is greater than the known max id. */ UNIV_INTERN ibool -trx_sys_file_format_max_update( -/*===========================*/ - uint flags, /* in: flags of the table.*/ - char** name) /* out: max file format name */ +trx_sys_file_format_max_upgrade( +/*============================*/ + /* out: TRUE if format_id was + bigger than the known max id */ + const char** name, /* out: max file format name */ + ulint format_id) /* in: file format identifier */ { - ulint format_id; ibool ret = FALSE; - format_id = (flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT; - ut_a(name); ut_a(file_format_max.name != NULL); ut_a(format_id <= DICT_TF_FORMAT_MAX); From a3d14f23d704294bef7a348432cbdfe68caac3a3 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 23 Oct 2008 10:22:46 +0000 Subject: [PATCH 064/400] branches/innodb+: Refuse to buffer deletes if that could lead to B-tree pages becoming empty. Remove work-arounds for empty pages. This fixes Issue #82. ibuf_get_volume_buffered(): Add the output parameter n_recs, for returning the minimum number of records on the page. ibuf_insert_low(): Refuse to buffer IBUF_OP_DELETE if the page could become empty. btr_page_get_father_node_ptr(): Remove the work-around for the page being empty. page_zip_dir_delete(): Revert to the version from branches/zip. Always invoke page_zip_clear_rec(). --- btr/btr0btr.c | 13 +------------ btr/btr0cur.c | 3 --- ibuf/ibuf0ibuf.c | 43 ++++++++++++++++++++++++++++++++++++++++++- page/page0zip.c | 30 +++++++----------------------- 4 files changed, 50 insertions(+), 39 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 32886420239..697a147e022 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -603,18 +603,7 @@ btr_page_get_father_node_ptr( level = btr_page_get_level(btr_cur_get_page(cursor), mtr); page = btr_cur_get_page(cursor); - - if (UNIV_UNLIKELY(page_get_n_recs(page) == 0)) { - /* Empty pages can result from buffered delete operations. - The first record from the free list can be used to find the - father node. */ - user_rec = page_header_get_ptr(page, PAGE_FREE); - /* TODO: make sure that empty pages are never recompressed. */ - ut_a(user_rec); - } else { - user_rec = btr_cur_get_rec(cursor); - } - + user_rec = btr_cur_get_rec(cursor); ut_a(page_rec_is_user_rec(user_rec)); tuple = dict_index_build_node_ptr(index, user_rec, 0, heap, level); diff --git a/btr/btr0cur.c b/btr/btr0cur.c index c5a13e62c10..79bc7e0a136 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -658,9 +658,6 @@ retry_page_get: page_mode = mode; } - /* TO DO: if the page is empty, advance to the next page. - There may be a match on the first nonempty right sibling. */ - page_cur_search_with_match( block, index, tuple, page_mode, &up_match, &up_bytes, &low_match, &low_bytes, page_cursor); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index b2d42d0a748..f3f7e1712ea 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2542,6 +2542,8 @@ ibuf_get_volume_buffered( or BTR_MODIFY_TREE */ ulint space, /* in: space id */ ulint page_no,/* in: page number of an index page */ + ulint* n_recs, /* out: minimum number of records on the page + after the buffered changes have been applied */ mtr_t* mtr) /* in: mtr */ { ulint volume; @@ -2561,6 +2563,7 @@ ibuf_get_volume_buffered( pcur */ volume = 0; + *n_recs = 0; rec = btr_pcur_get_rec(pcur); page = page_align(rec); @@ -2657,6 +2660,20 @@ count_later: volume += ibuf_rec_get_volume(rec); + switch (ibuf_rec_get_op_type(rec)) { + case IBUF_OP_INSERT: + case IBUF_OP_DELETE_MARK: + (*n_recs)++; + break; + case IBUF_OP_DELETE: + if (*n_recs > 0) { + (*n_recs)--; + } + break; + default: + ut_error; + } + rec = page_rec_get_next(rec); } @@ -2704,6 +2721,20 @@ count_later: volume += ibuf_rec_get_volume(rec); + switch (ibuf_rec_get_op_type(rec)) { + case IBUF_OP_INSERT: + case IBUF_OP_DELETE_MARK: + (*n_recs)++; + break; + case IBUF_OP_DELETE: + if (*n_recs > 0) { + (*n_recs)--; + } + break; + default: + ut_error; + } + rec = page_rec_get_next(rec); } } @@ -2986,6 +3017,7 @@ ibuf_insert_low( dtuple_t* ibuf_entry; mem_heap_t* heap; ulint buffered; + ulint min_n_recs; rec_t* ins_rec; ibool old_bit_value; page_t* bitmap_page; @@ -3091,7 +3123,16 @@ ibuf_insert_low( /* Find out the volume of already buffered inserts for the same index page */ - buffered = ibuf_get_volume_buffered(&pcur, space, page_no, &mtr); + buffered = ibuf_get_volume_buffered(&pcur, space, page_no, + &min_n_recs, &mtr); + + if (op == IBUF_OP_DELETE && min_n_recs == 0) { + /* The page could become empty after the record is + deleted. Refuse to buffer the operation. */ + err = DB_STRONG_FAIL; + + goto function_exit; + } #ifdef UNIV_IBUF_COUNT_DEBUG ut_a((buffered == 0) || ibuf_count_get(space, page_no)); diff --git a/page/page0zip.c b/page/page0zip.c index f4c04ec91b6..7cd2da171f0 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -4116,29 +4116,9 @@ page_zip_dir_delete( The "owned" and "deleted" flags will be cleared. */ mach_write_to_2(slot_free, page_offset(rec)); - /* The compression algorithm expects info_bits and n_owned - to be 0 for deleted records. */ - rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ - - if (!page_is_leaf(page)) { + if (!page_is_leaf(page) || !dict_index_is_clust(index)) { ut_ad(!rec_offs_any_extern(offsets)); - goto clear_rec; - } - - if (!dict_index_is_clust(index)) { - ut_ad(!rec_offs_any_extern(offsets)); - - /* Do not clear the last record on a secondary index - leaf page, because that could break delete - buffering. */ - if (!page_get_n_recs(page)) { -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - return; - } - - goto clear_rec; + goto skip_blobs; } n_ext = rec_offs_n_extern(offsets); @@ -4168,7 +4148,11 @@ page_zip_dir_delete( memset(ext_end, 0, n_ext * BTR_EXTERN_FIELD_REF_SIZE); } -clear_rec: +skip_blobs: + /* The compression algorithm expects info_bits and n_owned + to be 0 for deleted records. */ + rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ + page_zip_clear_rec(page_zip, rec, index, offsets); } From e1fc8d04c35d209100643c26bcdf1c0f6eb15b92 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 23 Oct 2008 11:47:17 +0000 Subject: [PATCH 065/400] branches/innodb+: ibuf_get_volume_buffered(): Do not count insert operations when estimating n_recs. This should finally fix Issue #82. --- ibuf/ibuf0ibuf.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index f3f7e1712ea..5fee0403307 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2662,10 +2662,19 @@ count_later: switch (ibuf_rec_get_op_type(rec)) { case IBUF_OP_INSERT: + /* Inserts can be done by + btr_cur_set_deleted_flag_for_ibuf(). Because + delete-mark and insert operations can be + pointing to the same records, we must not + count one of the operations. Let us count + only the delete-mark operations. */ + break; case IBUF_OP_DELETE_MARK: + /* There must be a record to delete-mark. */ (*n_recs)++; break; case IBUF_OP_DELETE: + /* A record will be removed from the page. */ if (*n_recs > 0) { (*n_recs)--; } @@ -2723,10 +2732,19 @@ count_later: switch (ibuf_rec_get_op_type(rec)) { case IBUF_OP_INSERT: + /* Inserts can be done by + btr_cur_set_deleted_flag_for_ibuf(). Because + delete-mark and insert operations can be + pointing to the same records, we must not + count one of the operations. Let us count + only the delete-mark operations. */ + break; case IBUF_OP_DELETE_MARK: + /* There must be a record to delete-mark. */ (*n_recs)++; break; case IBUF_OP_DELETE: + /* A record will be removed from the page. */ if (*n_recs > 0) { (*n_recs)--; } From 957f14fde2bf6226f79c6715eef7cda13a0d93a2 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 24 Oct 2008 06:51:35 +0000 Subject: [PATCH 066/400] branches/innodb+: Merge revisions 2862:2867 from branches/zip: ------------------------------------------------------------------------ r2866 | marko | 2008-10-23 23:25:43 +0300 (Thu, 23 Oct 2008) | 4 lines branches/zip: ibuf_delete_rec(): When the cursor to the insert buffer record cannot be restored, do not complain if the tablespace does not exist. This fixes Issue #88. ------------------------------------------------------------------------ r2867 | marko | 2008-10-24 10:24:17 +0300 (Fri, 24 Oct 2008) | 2 lines branches/zip: ChangeLog: Document r2763, r2794, r2683, r2799, r2809, r2866. ------------------------------------------------------------------------ --- ChangeLog | 68 ++++++++++++++++++++++++++++++++++++++++++++++++ ibuf/ibuf0ibuf.c | 16 +++++++----- 2 files changed, 77 insertions(+), 7 deletions(-) diff --git a/ChangeLog b/ChangeLog index 4430a1b0719..95895968192 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2008-10-23 The InnoDB Team + + * ibuf/ibuf0ibuf.c: + + ibuf_delete_rec(): When the cursor to the insert buffer record + cannot be restored, do not complain if the tablespace does not + exist, because the insert buffer record may have been discarded by + some other thread. This bug has existed in MySQL/InnoDB since + version 4.1, when innodb_file_per_table was implemented. + 2008-10-22 The InnoDB Team * dict/dict0dict.c, dict/dict0mem.c, handler/ha_innodb.cc, @@ -15,6 +25,64 @@ Fix Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout errors +2008-10-16 The InnoDB Team + + * dict/dict0dict.c, + mysql-test/innodb-index.result, mysql-test/innodb-index.test: + Skip the undo log size check when creating REDUNDANT and COMPACT + tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column + prefix indexes require that prefixes of externally stored columns + be written to the undo log. This may make the undo log record + bigger than the record on the B-tree page. The maximum size of an + undo log record is the page size. That must be checked for, in + dict_index_add_to_cache(). However, this restriction must not + be enforced on REDUNDANT or COMPACT tables. + +2008-10-15 The InnoDB Team + + * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, + row/row0sel.c, row/row0upd.c: + When the server crashes while freeing an externally stored column + of a compressed table, the BTR_EXTERN_LEN field in the BLOB + pointer will be written as 0. Tolerate this in the functions that + deal with externally stored columns. This fixes problems after + crash recovery, in the rollback of incomplete transactions, and in + the purge of delete-marked records. + +2008-10-15 The InnoDB Team + + * btr/btr0btr.c, include/page0zip.h, page/page0zip.c, include/univ.i: + When a B-tree node of a compressed table is split or merged, the + compression may fail. In this case, the entire compressed page + will be copied and the excess records will be deleted. However, + page_zip_copy(), now renamed to page_zip_copy_recs(), copied too + many fields in the page header, overwriting PAGE_BTR_SEG_LEAF and + PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused + corruption of compressed tables. Furthermore, the lock table and + the adaptive hash index would be corrupted, because we forgot to + update them when invoking page_zip_copy_recs(). + + Introduce the symbol UNIV_ZIP_DEBUG for triggering the copying of + compressed pages more often, for debugging purposes. + +2008-10-10 The InnoDB Team + + * handler/handler0alter.cc, include/row0merge.h, row/row0merge.c, + row/row0mysql.c: + Fix some locking issues, mainly in fast index creation. The + InnoDB data dictionary cache should be latched whenever a + transaction is holding locks on any data dictionary tables. + Otherwise, lock waits or deadlocks could occur. Furthermore, the + data dictionary transaction must be committed (and the locks + released) before the data dictionary latch is released. + + ha_innobase::add_index(): Lock the data dictionary before renaming + or dropping the created indexes, because neither operation will + commit the data dictionary transaction. + + ha_innobase::final_drop_index(): Commit the transactions before + unlocking the data dictionary. + 2008-10-09 The InnoDB Team * buf/buf0lru.c: diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 5fee0403307..c94fc2e5867 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3658,6 +3658,13 @@ ibuf_delete_rec( success = btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr); if (!success) { + if (fil_space_get_flags(space) == ULINT_UNDEFINED) { + /* The tablespace has been dropped. It is possible + that another thread has deleted the insert buffer + entry. Do not complain. */ + goto func_exit; + } + fprintf(stderr, "InnoDB: ERROR: Submit the output to" " http://bugs.mysql.com\n" @@ -3684,11 +3691,7 @@ ibuf_delete_rec( fprintf(stderr, "InnoDB: ibuf tree ok\n"); fflush(stderr); - btr_pcur_close(pcur); - - mutex_exit(&ibuf_mutex); - - return(TRUE); + goto func_exit; } root = ibuf_tree_root_get(mtr); @@ -3699,13 +3702,12 @@ ibuf_delete_rec( #ifdef UNIV_IBUF_COUNT_DEBUG ibuf_count_set(space, page_no, ibuf_count_get(space, page_no) - 1); -#else - UT_NOT_USED(space); #endif ibuf_size_update(root, mtr); btr_pcur_commit_specify_mtr(pcur, mtr); +func_exit: btr_pcur_close(pcur); mutex_exit(&ibuf_mutex); From 8d4985420cd01f7b0cf4a646f282fc30f9b37f65 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 5 Nov 2008 08:28:20 +0000 Subject: [PATCH 067/400] branches/innodb+: ibuf0ibuf.c: Add a compile-time check for IBUF_REC_INFO_SIZE. ibuf_get_volume_buffered(): Correct the grammar of the function comment. --- ibuf/ibuf0ibuf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c94fc2e5867..c61accf11b8 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -220,6 +220,9 @@ top of this file. */ #define IBUF_REC_INFO_SIZE 4 /* Combined size of info fields at the beginning of the fourth field */ +#if IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE +# error "IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" +#endif /* Offsets for the fields at the beginning of the fourth field */ #define IBUF_REC_OFFSET_COUNTER 0 @@ -2533,7 +2536,7 @@ ibuf_get_volume_buffered( /* out: upper limit for the volume of buffered inserts for the index page, in bytes; we may also return UNIV_PAGE_SIZE, if the - entries for the index page span on several + entries for the index page span several pages in the insert buffer */ btr_pcur_t* pcur, /* in: pcur positioned at a place in an insert buffer tree where we would insert an From 36c9bbc734bb8b400868aa70d9dcc88484174646 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 5 Nov 2008 10:25:07 +0000 Subject: [PATCH 068/400] branches/innodb+: buf_get_volume_buffered(): When estimating the number of records on a page, count each unique buffered record at most once. ibuf_get_volume_buffered_hash(): New function, for inserting a hashed record into a bit array. ibuf_get_volume_buffered_count(): New function, refactored from ibuf_get_volume_buffered(), for counting the unique records buffered for the page. ibuf_get_volume_buffered(): Define hash_bitmap, a bit array for identifying duplicate records. Hash collisions do not hurt correctness, only performance. If the number of records on the page is estimated as 0, deletes will not be buffered. This patch is just for the record, as is rb://44. In the tests run so far, the function ibuf_get_volume_buffered() always seems to estimate the number of records as 0, disabling all buffered deletes. --- ibuf/ibuf0ibuf.c | 159 ++++++++++++++++++++++++++++++++++------------- 1 file changed, 115 insertions(+), 44 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c61accf11b8..13bab6e9eb9 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2526,6 +2526,114 @@ ibuf_contract_after_insert( } } +/************************************************************************* +Determine if an insert buffer record has been encountered already. */ +static +ibool +ibuf_get_volume_buffered_hash( +/*==========================*/ + /* out: TRUE if a new record, + FALSE if possible duplicate */ + const rec_t* rec, /* in: ibuf record in post-4.1 format */ + byte* hash, /* in/out: hash array */ + ulint size) /* in: size of hash array, in bytes */ +{ + ulint len; + ulint fold; + const byte* types; + ulint types_len; + ulint bitmask; + + types = rec_get_nth_field_old(rec, 3, &types_len); + len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, + FALSE); + fold = ut_fold_binary(types + types_len, len); + + hash += (fold / 8) % size; + bitmask = 1 << (fold % 8); + + if (*hash & bitmask) { + + return(FALSE); + } + + /* We have not seen this record yet. Insert it. */ + *hash |= bitmask; + + return(TRUE); +} + +/************************************************************************* +Update the estimate of the number of records on a page. */ +static +void +ibuf_get_volume_buffered_count( +/*===========================*/ + const rec_t* rec, /* in: insert buffer record */ + byte* hash, /* in/out: hash array */ + ulint size, /* in: size of hash array, in bytes */ + ulint* n_recs) /* in/out: estimated number of records + on the page that rec points to */ +{ + ulint len; + const byte* field; + ibuf_op_t ibuf_op; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (UNIV_UNLIKELY(len > 1)) { + /* This is a < 4.1.x format record. Ignore it in the + count, because deletes cannot be buffered if there are + old-style records for the page. */ + + return; + } + + field = rec_get_nth_field_old(rec, 3, &len); + + switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, + IBUF_REC_INFO_SIZE)) { + default: + ut_error; + case 0: + case 1: + /* This record does not include an operation counter. + Ignore it in the count, because deletes cannot be + buffered if there are old-style records for the page. */ + return; + + case IBUF_REC_INFO_SIZE: + ibuf_op = (ibuf_op_t) field[IBUF_REC_OFFSET_TYPE]; + break; + } + + switch (ibuf_op) { + case IBUF_OP_INSERT: + /* Inserts can be done by + btr_cur_set_deleted_flag_for_ibuf(). Because + delete-mark and insert operations can be pointing to + the same records, we must not count duplicates. */ + case IBUF_OP_DELETE_MARK: + /* There must be a record to delete-mark. + See if this record has been already buffered. */ + if (ibuf_get_volume_buffered_hash(rec, hash, size)) { + (*n_recs)++; + } + break; + case IBUF_OP_DELETE: + /* A record will be removed from the page. */ + if (*n_recs > 0) { + (*n_recs)--; + } + break; + default: + ut_error; + } +} + /************************************************************************* Gets an upper limit for the combined size of entries buffered in the insert buffer for a given page. */ @@ -2556,6 +2664,7 @@ ibuf_get_volume_buffered( page_t* prev_page; ulint next_page_no; page_t* next_page; + byte hash_bitmap[128]; /* bitmap of buffered records */ ut_a(trx_sys_multiple_tablespace_format); @@ -2643,6 +2752,8 @@ ibuf_get_volume_buffered( } count_later: + memset(hash_bitmap, 0, sizeof hash_bitmap); + rec = btr_pcur_get_rec(pcur); if (!page_rec_is_supremum(rec)) { @@ -2663,28 +2774,8 @@ count_later: volume += ibuf_rec_get_volume(rec); - switch (ibuf_rec_get_op_type(rec)) { - case IBUF_OP_INSERT: - /* Inserts can be done by - btr_cur_set_deleted_flag_for_ibuf(). Because - delete-mark and insert operations can be - pointing to the same records, we must not - count one of the operations. Let us count - only the delete-mark operations. */ - break; - case IBUF_OP_DELETE_MARK: - /* There must be a record to delete-mark. */ - (*n_recs)++; - break; - case IBUF_OP_DELETE: - /* A record will be removed from the page. */ - if (*n_recs > 0) { - (*n_recs)--; - } - break; - default: - ut_error; - } + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_next(rec); } @@ -2733,28 +2824,8 @@ count_later: volume += ibuf_rec_get_volume(rec); - switch (ibuf_rec_get_op_type(rec)) { - case IBUF_OP_INSERT: - /* Inserts can be done by - btr_cur_set_deleted_flag_for_ibuf(). Because - delete-mark and insert operations can be - pointing to the same records, we must not - count one of the operations. Let us count - only the delete-mark operations. */ - break; - case IBUF_OP_DELETE_MARK: - /* There must be a record to delete-mark. */ - (*n_recs)++; - break; - case IBUF_OP_DELETE: - /* A record will be removed from the page. */ - if (*n_recs > 0) { - (*n_recs)--; - } - break; - default: - ut_error; - } + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_next(rec); } From a18ca211f3775144c68be39608e41bb983e5a1f7 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 5 Nov 2008 11:03:48 +0000 Subject: [PATCH 069/400] branches/innodb+: ibuf0ibuf.c: Revert the patches to Issue #82 (r2962, r2865, r2864) and do not refuse to buffer deletes. The problem with refusing to buffer deletes was that no deletes were buffered. Instead, when merging delete requests, disregard a delete request if it would make the page empty. InnoDB tolerates redundant secondary index records, but not empty pages. ibuf_delete(): When merging a delete request, print and ignore the record if the page would become empty. --- ibuf/ibuf0ibuf.c | 142 ++++------------------------------------------- 1 file changed, 11 insertions(+), 131 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 13bab6e9eb9..16455b890d2 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2526,114 +2526,6 @@ ibuf_contract_after_insert( } } -/************************************************************************* -Determine if an insert buffer record has been encountered already. */ -static -ibool -ibuf_get_volume_buffered_hash( -/*==========================*/ - /* out: TRUE if a new record, - FALSE if possible duplicate */ - const rec_t* rec, /* in: ibuf record in post-4.1 format */ - byte* hash, /* in/out: hash array */ - ulint size) /* in: size of hash array, in bytes */ -{ - ulint len; - ulint fold; - const byte* types; - ulint types_len; - ulint bitmask; - - types = rec_get_nth_field_old(rec, 3, &types_len); - len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, - FALSE); - fold = ut_fold_binary(types + types_len, len); - - hash += (fold / 8) % size; - bitmask = 1 << (fold % 8); - - if (*hash & bitmask) { - - return(FALSE); - } - - /* We have not seen this record yet. Insert it. */ - *hash |= bitmask; - - return(TRUE); -} - -/************************************************************************* -Update the estimate of the number of records on a page. */ -static -void -ibuf_get_volume_buffered_count( -/*===========================*/ - const rec_t* rec, /* in: insert buffer record */ - byte* hash, /* in/out: hash array */ - ulint size, /* in: size of hash array, in bytes */ - ulint* n_recs) /* in/out: estimated number of records - on the page that rec points to */ -{ - ulint len; - const byte* field; - ibuf_op_t ibuf_op; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); - - field = rec_get_nth_field_old(rec, 1, &len); - - if (UNIV_UNLIKELY(len > 1)) { - /* This is a < 4.1.x format record. Ignore it in the - count, because deletes cannot be buffered if there are - old-style records for the page. */ - - return; - } - - field = rec_get_nth_field_old(rec, 3, &len); - - switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, - IBUF_REC_INFO_SIZE)) { - default: - ut_error; - case 0: - case 1: - /* This record does not include an operation counter. - Ignore it in the count, because deletes cannot be - buffered if there are old-style records for the page. */ - return; - - case IBUF_REC_INFO_SIZE: - ibuf_op = (ibuf_op_t) field[IBUF_REC_OFFSET_TYPE]; - break; - } - - switch (ibuf_op) { - case IBUF_OP_INSERT: - /* Inserts can be done by - btr_cur_set_deleted_flag_for_ibuf(). Because - delete-mark and insert operations can be pointing to - the same records, we must not count duplicates. */ - case IBUF_OP_DELETE_MARK: - /* There must be a record to delete-mark. - See if this record has been already buffered. */ - if (ibuf_get_volume_buffered_hash(rec, hash, size)) { - (*n_recs)++; - } - break; - case IBUF_OP_DELETE: - /* A record will be removed from the page. */ - if (*n_recs > 0) { - (*n_recs)--; - } - break; - default: - ut_error; - } -} - /************************************************************************* Gets an upper limit for the combined size of entries buffered in the insert buffer for a given page. */ @@ -2653,8 +2545,6 @@ ibuf_get_volume_buffered( or BTR_MODIFY_TREE */ ulint space, /* in: space id */ ulint page_no,/* in: page number of an index page */ - ulint* n_recs, /* out: minimum number of records on the page - after the buffered changes have been applied */ mtr_t* mtr) /* in: mtr */ { ulint volume; @@ -2664,7 +2554,6 @@ ibuf_get_volume_buffered( page_t* prev_page; ulint next_page_no; page_t* next_page; - byte hash_bitmap[128]; /* bitmap of buffered records */ ut_a(trx_sys_multiple_tablespace_format); @@ -2675,7 +2564,6 @@ ibuf_get_volume_buffered( pcur */ volume = 0; - *n_recs = 0; rec = btr_pcur_get_rec(pcur); page = page_align(rec); @@ -2752,8 +2640,6 @@ ibuf_get_volume_buffered( } count_later: - memset(hash_bitmap, 0, sizeof hash_bitmap); - rec = btr_pcur_get_rec(pcur); if (!page_rec_is_supremum(rec)) { @@ -2774,9 +2660,6 @@ count_later: volume += ibuf_rec_get_volume(rec); - ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - rec = page_rec_get_next(rec); } @@ -2824,9 +2707,6 @@ count_later: volume += ibuf_rec_get_volume(rec); - ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - rec = page_rec_get_next(rec); } } @@ -3109,7 +2989,6 @@ ibuf_insert_low( dtuple_t* ibuf_entry; mem_heap_t* heap; ulint buffered; - ulint min_n_recs; rec_t* ins_rec; ibool old_bit_value; page_t* bitmap_page; @@ -3215,16 +3094,7 @@ ibuf_insert_low( /* Find out the volume of already buffered inserts for the same index page */ - buffered = ibuf_get_volume_buffered(&pcur, space, page_no, - &min_n_recs, &mtr); - - if (op == IBUF_OP_DELETE && min_n_recs == 0) { - /* The page could become empty after the record is - deleted. Refuse to buffer the operation. */ - err = DB_STRONG_FAIL; - - goto function_exit; - } + buffered = ibuf_get_volume_buffered(&pcur, space, page_no, &mtr); #ifdef UNIV_IBUF_COUNT_DEBUG ut_a((buffered == 0) || ibuf_count_get(space, page_no)); @@ -3642,6 +3512,15 @@ ibuf_delete( offsets = rec_get_offsets( rec, index, offsets, ULINT_UNDEFINED, &heap); + if (UNIV_UNLIKELY(page_get_n_recs(page) == 1)) { + /* Refuse to delete the last record. */ + ut_print_timestamp(stderr); + fputs(" InnoDB: refusing to merge a buffered delete" + " that would make a page empty\n", stderr); + rec_print_new(stderr, rec, offsets); + goto func_exit; + } + lock_update_delete(block, rec); if (!page_zip) { @@ -3663,6 +3542,7 @@ ibuf_delete( ibuf_update_free_bits_low(block, max_ins_size, mtr); } +func_exit: if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } From a7411707623b779467d4f3857c7392b662504598 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 5 Nov 2008 11:48:07 +0000 Subject: [PATCH 070/400] branches/innodb+: ibuf_delete(): Display the space id and page number when ignoring a buffered delete that would empty a page. (Issue #82) --- ibuf/ibuf0ibuf.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 16455b890d2..9f3f5547238 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3515,8 +3515,10 @@ ibuf_delete( if (UNIV_UNLIKELY(page_get_n_recs(page) == 1)) { /* Refuse to delete the last record. */ ut_print_timestamp(stderr); - fputs(" InnoDB: refusing to merge a buffered delete" - " that would make a page empty\n", stderr); + fprintf(stderr, " InnoDB: refusing a buffered delete" + " that would empty space %lu page %lu\n", + (ulong) buf_block_get_space(block), + (ulong) buf_block_get_page_no(block)); rec_print_new(stderr, rec, offsets); goto func_exit; } From 5d47332674b2112242954b60068b4235a5260e12 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 5 Nov 2008 15:13:09 +0000 Subject: [PATCH 071/400] branches/innodb+: ibuf_insert_low(): Ignore the free bits in the insert buffer bitmap when buffering deletes or delete-marks. TODO: ibuf_get_volume_buffered() should return only the volume of the buffered inserts, not deletes or delete-marks. --- ibuf/ibuf0ibuf.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9f3f5547238..15bf777407e 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2999,7 +2999,6 @@ ibuf_insert_low( ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; ulint n_stored; - ulint bits; mtr_t mtr; mtr_t bitmap_mtr; @@ -3115,23 +3114,27 @@ ibuf_insert_low( goto function_exit; } - bits = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, &bitmap_mtr); + if (op == IBUF_OP_INSERT) { + ulint bits = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, + &bitmap_mtr); - if (buffered + entry_size + page_dir_calc_reserved_space(1) - > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { - mtr_commit(&bitmap_mtr); + if (buffered + entry_size + page_dir_calc_reserved_space(1) + > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { + mtr_commit(&bitmap_mtr); - /* It may not fit */ - err = DB_STRONG_FAIL; + /* It may not fit */ + err = DB_STRONG_FAIL; - do_merge = TRUE; + do_merge = TRUE; - ibuf_get_merge_page_nos( - FALSE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, page_nos, &n_stored); + ibuf_get_merge_page_nos( + FALSE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, + page_nos, &n_stored); - goto function_exit; + goto function_exit; + } } /* Patch correct counter value to the entry to insert. This can From 029c04fd13a7cf16c06591143d12bbb7ae1fa7a5 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 6 Nov 2008 11:17:56 +0000 Subject: [PATCH 072/400] branches/innodb+: ibuf_get_volume_buffered(): Note that the volume includes only buffered inserts, not delete-marks or deletes. This is because ibuf_rec_get_volume() only returns nonzero for inserts. --- ibuf/ibuf0ibuf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 15bf777407e..cbfe7a58942 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2527,8 +2527,8 @@ ibuf_contract_after_insert( } /************************************************************************* -Gets an upper limit for the combined size of entries buffered in the insert -buffer for a given page. */ +Gets an upper limit for the combined size of inserts buffered for a +given page. */ static ulint ibuf_get_volume_buffered( @@ -2560,7 +2560,7 @@ ibuf_get_volume_buffered( ut_ad((pcur->latch_mode == BTR_MODIFY_PREV) || (pcur->latch_mode == BTR_MODIFY_TREE)); - /* Count the volume of records earlier in the alphabetical order than + /* Count the volume of inserts earlier in the alphabetical order than pcur */ volume = 0; From 9a67e331ba9996fd0a73c0308c7b14baac1acdd2 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 6 Nov 2008 12:10:22 +0000 Subject: [PATCH 073/400] ibuf_get_entry_counter_low(): Return 0 if no records have been buffered on the page. Because of a bug that was introduced in r2711, ULINT_UNDEFINED was incorrectly returned. --- ibuf/ibuf0ibuf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index cbfe7a58942..3e3aa0749e9 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2797,7 +2797,7 @@ ibuf_get_entry_counter_low( if (mach_read_from_4(field) != space) { - return(ULINT_UNDEFINED); + return(0); } /* Check the page offset. */ @@ -2806,7 +2806,7 @@ ibuf_get_entry_counter_low( if (mach_read_from_4(field) != page_no) { - return(ULINT_UNDEFINED); + return(0); } /* Check if the record contains a counter field. */ From d0bef3b875e4dd2921feab4cf9662e1ed685a203 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 6 Nov 2008 12:30:39 +0000 Subject: [PATCH 074/400] branches/innodb+: Revert r2964 and r2963. The heuristics for disabling delete buffering is not fundamentally flawed. It merely failed because of other bugs. --- ibuf/ibuf0ibuf.c | 144 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 131 insertions(+), 13 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 3e3aa0749e9..76477db30fe 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2526,6 +2526,114 @@ ibuf_contract_after_insert( } } +/************************************************************************* +Determine if an insert buffer record has been encountered already. */ +static +ibool +ibuf_get_volume_buffered_hash( +/*==========================*/ + /* out: TRUE if a new record, + FALSE if possible duplicate */ + const rec_t* rec, /* in: ibuf record in post-4.1 format */ + byte* hash, /* in/out: hash array */ + ulint size) /* in: size of hash array, in bytes */ +{ + ulint len; + ulint fold; + const byte* types; + ulint types_len; + ulint bitmask; + + types = rec_get_nth_field_old(rec, 3, &types_len); + len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, + FALSE); + fold = ut_fold_binary(types + types_len, len); + + hash += (fold / 8) % size; + bitmask = 1 << (fold % 8); + + if (*hash & bitmask) { + + return(FALSE); + } + + /* We have not seen this record yet. Insert it. */ + *hash |= bitmask; + + return(TRUE); +} + +/************************************************************************* +Update the estimate of the number of records on a page. */ +static +void +ibuf_get_volume_buffered_count( +/*===========================*/ + const rec_t* rec, /* in: insert buffer record */ + byte* hash, /* in/out: hash array */ + ulint size, /* in: size of hash array, in bytes */ + ulint* n_recs) /* in/out: estimated number of records + on the page that rec points to */ +{ + ulint len; + const byte* field; + ibuf_op_t ibuf_op; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (UNIV_UNLIKELY(len > 1)) { + /* This is a < 4.1.x format record. Ignore it in the + count, because deletes cannot be buffered if there are + old-style records for the page. */ + + return; + } + + field = rec_get_nth_field_old(rec, 3, &len); + + switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, + IBUF_REC_INFO_SIZE)) { + default: + ut_error; + case 0: + case 1: + /* This record does not include an operation counter. + Ignore it in the count, because deletes cannot be + buffered if there are old-style records for the page. */ + return; + + case IBUF_REC_INFO_SIZE: + ibuf_op = (ibuf_op_t) field[IBUF_REC_OFFSET_TYPE]; + break; + } + + switch (ibuf_op) { + case IBUF_OP_INSERT: + /* Inserts can be done by + btr_cur_set_deleted_flag_for_ibuf(). Because + delete-mark and insert operations can be pointing to + the same records, we must not count duplicates. */ + case IBUF_OP_DELETE_MARK: + /* There must be a record to delete-mark. + See if this record has been already buffered. */ + if (ibuf_get_volume_buffered_hash(rec, hash, size)) { + (*n_recs)++; + } + break; + case IBUF_OP_DELETE: + /* A record will be removed from the page. */ + if (*n_recs > 0) { + (*n_recs)--; + } + break; + default: + ut_error; + } +} + /************************************************************************* Gets an upper limit for the combined size of inserts buffered for a given page. */ @@ -2545,6 +2653,8 @@ ibuf_get_volume_buffered( or BTR_MODIFY_TREE */ ulint space, /* in: space id */ ulint page_no,/* in: page number of an index page */ + ulint* n_recs, /* out: minimum number of records on the page + after the buffered changes have been applied */ mtr_t* mtr) /* in: mtr */ { ulint volume; @@ -2554,6 +2664,7 @@ ibuf_get_volume_buffered( page_t* prev_page; ulint next_page_no; page_t* next_page; + byte hash_bitmap[128]; /* bitmap of buffered records */ ut_a(trx_sys_multiple_tablespace_format); @@ -2564,6 +2675,7 @@ ibuf_get_volume_buffered( pcur */ volume = 0; + *n_recs = 0; rec = btr_pcur_get_rec(pcur); page = page_align(rec); @@ -2640,6 +2752,8 @@ ibuf_get_volume_buffered( } count_later: + memset(hash_bitmap, 0, sizeof hash_bitmap); + rec = btr_pcur_get_rec(pcur); if (!page_rec_is_supremum(rec)) { @@ -2660,6 +2774,9 @@ count_later: volume += ibuf_rec_get_volume(rec); + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec = page_rec_get_next(rec); } @@ -2707,6 +2824,9 @@ count_later: volume += ibuf_rec_get_volume(rec); + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec = page_rec_get_next(rec); } } @@ -2989,6 +3109,7 @@ ibuf_insert_low( dtuple_t* ibuf_entry; mem_heap_t* heap; ulint buffered; + ulint min_n_recs; rec_t* ins_rec; ibool old_bit_value; page_t* bitmap_page; @@ -3093,7 +3214,16 @@ ibuf_insert_low( /* Find out the volume of already buffered inserts for the same index page */ - buffered = ibuf_get_volume_buffered(&pcur, space, page_no, &mtr); + buffered = ibuf_get_volume_buffered(&pcur, space, page_no, + &min_n_recs, &mtr); + + if (op == IBUF_OP_DELETE && min_n_recs == 0) { + /* The page could become empty after the record is + deleted. Refuse to buffer the operation. */ + err = DB_STRONG_FAIL; + + goto function_exit; + } #ifdef UNIV_IBUF_COUNT_DEBUG ut_a((buffered == 0) || ibuf_count_get(space, page_no)); @@ -3515,17 +3645,6 @@ ibuf_delete( offsets = rec_get_offsets( rec, index, offsets, ULINT_UNDEFINED, &heap); - if (UNIV_UNLIKELY(page_get_n_recs(page) == 1)) { - /* Refuse to delete the last record. */ - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: refusing a buffered delete" - " that would empty space %lu page %lu\n", - (ulong) buf_block_get_space(block), - (ulong) buf_block_get_page_no(block)); - rec_print_new(stderr, rec, offsets); - goto func_exit; - } - lock_update_delete(block, rec); if (!page_zip) { @@ -3547,7 +3666,6 @@ ibuf_delete( ibuf_update_free_bits_low(block, max_ins_size, mtr); } -func_exit: if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } From 74a398c96e7c1a17e48ce07eae57da59cc93b2c2 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 6 Nov 2008 12:41:18 +0000 Subject: [PATCH 075/400] branches/innodb+: ibuf_get_volume_buffered(): Invoke ibuf_get_volume_buffered_count() as many times as ibuf_rec_get_volume(rec), so that *n_recs will be updated as appropriate. This fixes Issue #82: some deletes will be buffered in purge. --- btr/btr0cur.c | 8 ++++++++ buf/buf0rea.c | 8 ++++++++ handler/ha_innodb.cc | 6 ++++-- ibuf/ibuf0ibuf.c | 7 +++++++ include/univ.i | 2 +- 5 files changed, 28 insertions(+), 3 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 79bc7e0a136..283ee729d36 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -528,6 +528,14 @@ retry_page_get: buf_mode = BUF_GET_IF_IN_POOL_OR_WATCH; } + if (height == 0 + && buf_mode != BUF_GET_IF_IN_POOL + && buf_mode != BUF_GET_IF_IN_POOL_OR_WATCH + && !dict_index_is_clust(index)) { + fprintf(stderr, "fetching %lu:%lu of %s\n", + (ulong) space, (ulong) page_no, index->name); + } + block = buf_page_get_gen( space, zip_size, page_no, rw_latch, guess, buf_mode, __FILE__, __LINE__, mtr); diff --git a/buf/buf0rea.c b/buf/buf0rea.c index e2491570fb4..a443eded63e 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -177,6 +177,9 @@ buf_read_ahead_random( ulint offset) /* in: page number of a page which the current thread wants to access */ { +#if 1 + return(0); +#else ib_int64_t tablespace_version; ulint recent_blocks = 0; ulint count; @@ -309,6 +312,7 @@ read_ahead: ++srv_read_ahead_rnd; return(count); +#endif } /************************************************************************ @@ -395,6 +399,9 @@ buf_read_ahead_linear( ulint offset) /* in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ { +#if 1 + return(0); +#else ib_int64_t tablespace_version; buf_page_t* bpage; buf_frame_t* frame; @@ -627,6 +634,7 @@ buf_read_ahead_linear( ++srv_read_ahead_seq; return(count); +#endif } /************************************************************************ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index a05cfdee3a2..37df55b6e35 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -5894,6 +5894,7 @@ ha_innobase::create( | DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT; break; +#if 0 case 8: flags = 4 << DICT_TF_ZSSIZE_SHIFT | DICT_TF_COMPACT @@ -5906,8 +5907,9 @@ ha_innobase::create( | DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT; break; -#if DICT_TF_ZSSIZE_MAX != 5 -# error "DICT_TF_ZSSIZE_MAX != 5" +#endif +#if DICT_TF_ZSSIZE_MAX != 3 +# error "DICT_TF_ZSSIZE_MAX != 3" #endif } diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 76477db30fe..9d0633832f2 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2676,6 +2676,7 @@ ibuf_get_volume_buffered( volume = 0; *n_recs = 0; + memset(hash_bitmap, 0, sizeof hash_bitmap); rec = btr_pcur_get_rec(pcur); page = page_align(rec); @@ -2698,6 +2699,9 @@ ibuf_get_volume_buffered( volume += ibuf_rec_get_volume(rec); + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec = page_rec_get_prev(rec); } @@ -2748,6 +2752,9 @@ ibuf_get_volume_buffered( volume += ibuf_rec_get_volume(rec); + ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec = page_rec_get_prev(rec); } diff --git a/include/univ.i b/include/univ.i index 0c67dc7632d..d2c585a856a 100644 --- a/include/univ.i +++ b/include/univ.i @@ -235,7 +235,7 @@ management to ensure correct alignment for doubles etc. */ */ /* The 2-logarithm of UNIV_PAGE_SIZE: */ -#define UNIV_PAGE_SIZE_SHIFT 14 +#define UNIV_PAGE_SIZE_SHIFT 12 /* The universal page size of the database */ #define UNIV_PAGE_SIZE (1 << UNIV_PAGE_SIZE_SHIFT) From d8fa21d9d00e7b4cdacc3f048ced94d71f49f3fb Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 7 Nov 2008 12:16:36 +0000 Subject: [PATCH 076/400] branches/innodb+: Revert some debugging-related changes that were accidentally committed in r2971: univ.i, ha_innobase::create(): Reduce the uncompressed page size from 16 to 4 kilobytes. btr_cur_search_to_nth_level(): Print a diagnostic message when the leaf page of a secondary index is being requested from the disk. buf_read_ahead_random(), buf_read_ahead_linear(): Disable. --- btr/btr0cur.c | 8 -------- buf/buf0rea.c | 8 -------- handler/ha_innodb.cc | 6 ++---- include/univ.i | 2 +- 4 files changed, 3 insertions(+), 21 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 283ee729d36..79bc7e0a136 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -528,14 +528,6 @@ retry_page_get: buf_mode = BUF_GET_IF_IN_POOL_OR_WATCH; } - if (height == 0 - && buf_mode != BUF_GET_IF_IN_POOL - && buf_mode != BUF_GET_IF_IN_POOL_OR_WATCH - && !dict_index_is_clust(index)) { - fprintf(stderr, "fetching %lu:%lu of %s\n", - (ulong) space, (ulong) page_no, index->name); - } - block = buf_page_get_gen( space, zip_size, page_no, rw_latch, guess, buf_mode, __FILE__, __LINE__, mtr); diff --git a/buf/buf0rea.c b/buf/buf0rea.c index a443eded63e..e2491570fb4 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -177,9 +177,6 @@ buf_read_ahead_random( ulint offset) /* in: page number of a page which the current thread wants to access */ { -#if 1 - return(0); -#else ib_int64_t tablespace_version; ulint recent_blocks = 0; ulint count; @@ -312,7 +309,6 @@ read_ahead: ++srv_read_ahead_rnd; return(count); -#endif } /************************************************************************ @@ -399,9 +395,6 @@ buf_read_ahead_linear( ulint offset) /* in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ { -#if 1 - return(0); -#else ib_int64_t tablespace_version; buf_page_t* bpage; buf_frame_t* frame; @@ -634,7 +627,6 @@ buf_read_ahead_linear( ++srv_read_ahead_seq; return(count); -#endif } /************************************************************************ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 37df55b6e35..a05cfdee3a2 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -5894,7 +5894,6 @@ ha_innobase::create( | DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT; break; -#if 0 case 8: flags = 4 << DICT_TF_ZSSIZE_SHIFT | DICT_TF_COMPACT @@ -5907,9 +5906,8 @@ ha_innobase::create( | DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT; break; -#endif -#if DICT_TF_ZSSIZE_MAX != 3 -# error "DICT_TF_ZSSIZE_MAX != 3" +#if DICT_TF_ZSSIZE_MAX != 5 +# error "DICT_TF_ZSSIZE_MAX != 5" #endif } diff --git a/include/univ.i b/include/univ.i index d2c585a856a..0c67dc7632d 100644 --- a/include/univ.i +++ b/include/univ.i @@ -235,7 +235,7 @@ management to ensure correct alignment for doubles etc. */ */ /* The 2-logarithm of UNIV_PAGE_SIZE: */ -#define UNIV_PAGE_SIZE_SHIFT 12 +#define UNIV_PAGE_SIZE_SHIFT 14 /* The universal page size of the database */ #define UNIV_PAGE_SIZE (1 << UNIV_PAGE_SIZE_SHIFT) From 1834f25cc491c1cb1bc234b1e82a58d6e934b214 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 11 Nov 2008 10:02:58 +0000 Subject: [PATCH 077/400] branches/innodb+: Fix Issue #112, which was introduced in r2962 and reintroduced in r2970. ibuf_get_volume_buffered_hash(): Add the parameters "types" and "data". The bug was that "types" lacked the offset IBUF_REC_INFO_SIZE, and the type information would be read from the wrong place. --- ibuf/ibuf0ibuf.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9d0633832f2..cebd859e9d2 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2535,19 +2535,18 @@ ibuf_get_volume_buffered_hash( /* out: TRUE if a new record, FALSE if possible duplicate */ const rec_t* rec, /* in: ibuf record in post-4.1 format */ + const byte* types, /* in: fields */ + const byte* data, /* in: start of user record data */ byte* hash, /* in/out: hash array */ ulint size) /* in: size of hash array, in bytes */ { ulint len; ulint fold; - const byte* types; - ulint types_len; ulint bitmask; - types = rec_get_nth_field_old(rec, 3, &types_len); len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, FALSE); - fold = ut_fold_binary(types + types_len, len); + fold = ut_fold_binary(data, len); hash += (fold / 8) % size; bitmask = 1 << (fold % 8); @@ -2619,7 +2618,10 @@ ibuf_get_volume_buffered_count( case IBUF_OP_DELETE_MARK: /* There must be a record to delete-mark. See if this record has been already buffered. */ - if (ibuf_get_volume_buffered_hash(rec, hash, size)) { + if (ibuf_get_volume_buffered_hash(rec, + field + IBUF_REC_INFO_SIZE, + field + len, + hash, size)) { (*n_recs)++; } break; From 4fb0f7991979450754fb2423dfe365d8cfa5beae Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 11 Nov 2008 10:11:16 +0000 Subject: [PATCH 078/400] branches/innodb+: ibuf_insert_low(): When buffering an insert or a delete-mark operation, do not count the buffered records. The count is only relevant for buffering IBUF_OP_DELETE operations. ibuf_get_volume_buffered(): Do not count the records if n_recs is NULL. Do not zero out *n_recs, but let the caller do that. ibuf_get_volume_buffered_count(): Do nothing if n_recs == NULL. --- ibuf/ibuf0ibuf.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index cebd859e9d2..9aaa247d334 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2581,6 +2581,12 @@ ibuf_get_volume_buffered_count( ut_ad(ibuf_inside()); ut_ad(rec_get_n_fields_old(rec) > 2); + if (!n_recs) { + /* The records only need to be counted when + IBUF_OP_DELETE is being buffered. */ + return; + } + field = rec_get_nth_field_old(rec, 1, &len); if (UNIV_UNLIKELY(len > 1)) { @@ -2655,8 +2661,9 @@ ibuf_get_volume_buffered( or BTR_MODIFY_TREE */ ulint space, /* in: space id */ ulint page_no,/* in: page number of an index page */ - ulint* n_recs, /* out: minimum number of records on the page - after the buffered changes have been applied */ + ulint* n_recs, /* in/out: minimum number of records on the + page after the buffered changes have been + applied, or NULL to disable the counting */ mtr_t* mtr) /* in: mtr */ { ulint volume; @@ -2677,7 +2684,6 @@ ibuf_get_volume_buffered( pcur */ volume = 0; - *n_recs = 0; memset(hash_bitmap, 0, sizeof hash_bitmap); rec = btr_pcur_get_rec(pcur); @@ -3223,8 +3229,11 @@ ibuf_insert_low( /* Find out the volume of already buffered inserts for the same index page */ + min_n_recs = 0; buffered = ibuf_get_volume_buffered(&pcur, space, page_no, - &min_n_recs, &mtr); + op == IBUF_OP_DELETE + ? &min_n_recs + : NULL, &mtr); if (op == IBUF_OP_DELETE && min_n_recs == 0) { /* The page could become empty after the record is From c1d46655145abb036ed12c00a2f5849814a46fd5 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 11 Nov 2008 10:21:16 +0000 Subject: [PATCH 079/400] branches/innodb+: Merge revisions 2867:2986 from branches/zip: ------------------------------------------------------------------------ r2867 | marko | 2008-10-24 10:24:17 +0300 (Fri, 24 Oct 2008) | 2 lines branches/zip: ChangeLog: Document r2763, r2794, r2683, r2799, r2809, r2866. ------------------------------------------------------------------------ r2869 | vasil | 2008-10-24 11:14:16 +0300 (Fri, 24 Oct 2008) | 4 lines branches/zip: White space cleanup in ChangeLog ------------------------------------------------------------------------ r2870 | vasil | 2008-10-24 13:36:14 +0300 (Fri, 24 Oct 2008) | 8 lines branches/zip: Remove a statement that causes the innodb-index test to fail. The change in behavior was introduced in MySQL BZR-r2738. Suggested by: Marko ------------------------------------------------------------------------ r2871 | vasil | 2008-10-24 13:48:38 +0300 (Fri, 24 Oct 2008) | 5 lines branches/zip: Adjust mysql-test/patches/innodb-index.diff after the change to mysql-test/innodb-index.(test|result) in r2870. ------------------------------------------------------------------------ r2878 | calvin | 2008-10-27 11:05:42 +0200 (Mon, 27 Oct 2008) | 8 lines branches/zip: port the fix of Bug#19424 - InnoDB: Possibly a memory overrun of the buffer being freed with 64-bit Microsoft Visual C++. The changed file: CMakeLists.txt: Removing Win64 compiler optimizations for all innodb/mem/* files. ------------------------------------------------------------------------ r2884 | vasil | 2008-10-27 11:48:46 +0200 (Mon, 27 Oct 2008) | 7 lines branches/zip: ChangeLog: Add entry for the fix of Bug#19424 InnoDB: Possibly a memory overrun of the buffer being freed (64-bit Visual C) ------------------------------------------------------------------------ r2886 | calvin | 2008-10-27 22:39:11 +0200 (Mon, 27 Oct 2008) | 8 lines branches/zip: This patch is to solve the issue that file handles can not cross DLL/EXE boundaries on Windows. In builtin InnoDB, it makes call to MySQL server for creating tmp files. innobase_mysql_tmpfile is now rewritten for the plugin. rb://5 Approved by: Marko ------------------------------------------------------------------------ r2887 | calvin | 2008-10-27 22:48:29 +0200 (Mon, 27 Oct 2008) | 44 lines branches/zip: implement the delayloading of externals for the plugin on Windows, which includes: * Load mysqld.map and insert all symbol/address pairs into hash for quick access * Resolves all external data variables. The delayloading mechanism in MSVC does not support automatic imports of data variables. A workaround is to explicitly handle the data import using the delay loader during the initialization of the plugin. * Resolves all external functions during run-time, by implementing the delayed loading helper function delayLoadHelper2, which is called by run-time as well as HrLoadAllImportsForDll. The delay loader reuses the hash implementation in InnoDB. The normal hash_create (in hash0hash.c) creates hash tables in buffer pool. But the delay loader is invoked before the engine is initialized, and buffer pools are not ready yet. Instead, the delay loader has its own implementation of hash_create() and hash_table_free(), called wdl_hash_create() and wdl_hash_table_free(). This patch should be used with other two patches in order to build a dynamically linked plugin on Windows: * patch for tmpfile functions (r2886) * patch for "build" files (to be committed) The list of file changed: handler/handler0vars.h: new file, defines a list of external data variables (no external functions). handler/win_delay_loader.cc: new file, the implementation of the delay loader for Windows plugin. handler/ha_innodb.cc: add a header file, and changes for copying the system variables. handler/handler0alter.cc: add a header file handler/i_s.cc: add a header file rb://27 Reviewed by: Sunny, Marko Approved by: Sunny ------------------------------------------------------------------------ r2888 | calvin | 2008-10-28 01:51:49 +0200 (Tue, 28 Oct 2008) | 25 lines branches/zip: for building dynamic plugin on Windows, ha_innodb.dll, when INNODB_DYNAMIC_PLUGIN is specified. The changes are: CMakeLists.txt: add project ha_innodb for dynamic plugin on Windows. ha_innodb depends on project mysqld. ha_innodb.def: a new file with standard exports for a dynamic plugin. Two new files will be added: * sql/mysqld.def: .def file for 32-bit compiler * sql/mysqld_x64.def: .def file for x64 compiler It is also required to apply a patch to the MySQL source tree. The patch is described in win-plugin/README: win-plugin/win-plugin.diff - a patch to be applied to MySQL source tree. When applied, the following files will be modified: * CMakeLists.txt: add INNODB_DYNAMIC_PLUGIN and _USE_32BIT_TIME_T * sql/CMakeLists.txt: add mysqld.def or mysqld_x64.def for mysqld * win/configure.js: add INNODB_DYNAMIC_PLUGIN * win/build-vs71.bat: provide an option to specify CMAKE_BUILD_TYPE * win/build-vs8.bat: provide an option to specify CMAKE_BUILD_TYPE * win/build-vs8_x64.bat: provide an option to specify CMAKE_BUILD_TYPE ------------------------------------------------------------------------ r2894 | marko | 2008-10-28 08:36:39 +0200 (Tue, 28 Oct 2008) | 4 lines branches/zip: dict_str_starts_with_keyword(): Removed this unused function. Spotted by Sunny. ------------------------------------------------------------------------ r2895 | vasil | 2008-10-28 08:40:45 +0200 (Tue, 28 Oct 2008) | 6 lines branches/zip: ChangeLog: add entry for the Windows plugin. ------------------------------------------------------------------------ r2917 | marko | 2008-10-28 23:53:23 +0200 (Tue, 28 Oct 2008) | 3 lines branches/zip: innodb_plugin_init(): Do not copy session variables, even when the variable is a global variable in the built-in InnoDB. ------------------------------------------------------------------------ r2918 | calvin | 2008-10-29 00:08:11 +0200 (Wed, 29 Oct 2008) | 2 lines branches/zip: fix a problem introduced in r2917 - dyn is not initialized. Move the check into for(). ------------------------------------------------------------------------ r2922 | calvin | 2008-10-29 08:29:01 +0200 (Wed, 29 Oct 2008) | 16 lines branches/zip: fix issue #102 - Windows plugin: resolve dbug functions during run-time. Implement wrapper functions in the plugin. The plugin will get the function entries from mysqld.exe during the init, and invoke the corresponding functions (in mysqld.exe). The list of functions are: _db_pargs_ _db_doprnt_ _db_enter_ _db_return_ _db_dump_ rb://38 Approved by: Marko ------------------------------------------------------------------------ r2923 | marko | 2008-10-29 09:52:30 +0200 (Wed, 29 Oct 2008) | 1 line branches/zip: ChangeLog: Mention Bug #27276. ------------------------------------------------------------------------ r2925 | calvin | 2008-10-29 10:09:41 +0200 (Wed, 29 Oct 2008) | 16 lines branches/zip: change function names in sql/mysqld.def in order to work with 5.1.29-rc. In 5.1.29, the following function names are changed: _hash_init hash_free hash_search hash_delete changed to _my_hash_init my_hash_free my_hash_search my_hash_delete Approved by: Marko (on IM) ------------------------------------------------------------------------ r2927 | marko | 2008-10-29 11:43:23 +0200 (Wed, 29 Oct 2008) | 4 lines branches/zip: ha_innodb.cc: Make some functions static, so that they will not be compiled as weak global symbols. These functions must not be redirected to the built-in InnoDB. ------------------------------------------------------------------------ r2928 | michael | 2008-10-29 19:20:10 +0200 (Wed, 29 Oct 2008) | 4 lines Remove unnecessary assert Approved by: Heikki, over IM ------------------------------------------------------------------------ r2930 | marko | 2008-10-29 21:39:24 +0200 (Wed, 29 Oct 2008) | 33 lines branches/zip: Merge revisions 2854:2929 from branches/5.1, except r2924, which was merged from branches/zip r2866 to branches/5.1 and except r2879 which was merged separately by Calvin: ------------------------------------------------------------------------ r2902 | vasil | 2008-10-28 12:10:25 +0200 (Tue, 28 Oct 2008) | 10 lines branches/5.1: Fix Bug#38189 innodb_stats_on_metadata missing Make the variable innodb_stats_on_metadata visible to the users and also settable at runtime. Previously it was only "visible" as a command line startup option to mysqld. Approved by: Marko (https://svn.innodb.com/rb/r/36) ------------------------------------------------------------------------ r2929 | marko | 2008-10-29 21:26:14 +0200 (Wed, 29 Oct 2008) | 13 lines branches/5.1: dtype_get_sql_null_size(): return the correct storage size of a SQL NULL column. (Bug #40369) When MySQL Bug #20877 was fixed in r834, this function was accidentally modified to return 0 or 1. Apparently, the only impact of this bug is that fixed-length columns cannot be updated in-place from or to SQL NULL, even in ROW_FORMAT=REDUNDANT. After this fix, fixed-length columns in ROW_FORMAT=REDUNDANT will have a constant storage size as they should, no matter if NULL or non-NULL. The bug caused fixed-length NULL columns to occupy 1 byte. rb://37 approved by Heikki over IM. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r2931 | vasil | 2008-10-29 22:10:40 +0200 (Wed, 29 Oct 2008) | 4 lines branches/zip: Add 2 ChangeLog entries for the 2 bugfixes that were merged from branches/5.1. ------------------------------------------------------------------------ r2935 | vasil | 2008-10-30 12:17:23 +0200 (Thu, 30 Oct 2008) | 17 lines branches/zip: Fix "Bug#40360 Binlog related errors with binlog off" in InnoDB code in order to have a Bug#40360-free InnoDB Plugin 1.0.2. The fix does check whether binary logging is enabled in MySQL by accessing the opt_bin_log global variable that is defined in sql/mysqld.cc. In case MySQL does develop another solution to this via Bug#40360 then we can revert this patch (except the mysql-tests). The windows-plugin part of this fix will be committed as a separate commit to ease eventual merge into branches/5.1 [note from the future: the separate commit went into r2936]. Approved by: Marko (https://svn.innodb.com/rb/r/39) ------------------------------------------------------------------------ r2936 | vasil | 2008-10-30 12:24:09 +0200 (Thu, 30 Oct 2008) | 7 lines branches/zip: Followup to r2935: add the Windows Delay Loader stuff for the MySQL variable that we are accessing. If someday we have another solution for Bug#40360 Binlog related errors with binlog off then this should also be reverted. ------------------------------------------------------------------------ r2937 | vasil | 2008-10-30 12:28:47 +0200 (Thu, 30 Oct 2008) | 4 lines branches/zip: Add ChangeLog entry for Bug#40360 Binlog related errors with binlog off ------------------------------------------------------------------------ r2938 | vasil | 2008-10-30 12:33:28 +0200 (Thu, 30 Oct 2008) | 5 lines branches/zip: Non-functional change: convert handler/handler0vars.h and handler/win_delay_loader.cc from \r\n (dos) to \n (unix) line terminators. ------------------------------------------------------------------------ r2939 | marko | 2008-10-30 12:38:18 +0200 (Thu, 30 Oct 2008) | 2 lines branches/zip: Set svn:eol-style native on some recently added text files. ------------------------------------------------------------------------ r2940 | marko | 2008-10-30 12:46:21 +0200 (Thu, 30 Oct 2008) | 1 line branches/zip: ChangeLog, ha_innodb.def: Set svn:eol-style native ------------------------------------------------------------------------ r2941 | vasil | 2008-10-30 19:34:27 +0200 (Thu, 30 Oct 2008) | 4 lines branches/zip: Increment the InnoDB Plugin version from 1.0.1 to 1.0.2. ------------------------------------------------------------------------ r2943 | sunny | 2008-10-31 09:40:29 +0200 (Fri, 31 Oct 2008) | 15 lines branches/zip: 1. We add a vector of locks to trx_t. This array contains the autoinc locks granted to a transaction. There is one per table. 2. We enforce releasing of these locks in the reverse order from the one in which they are acquired. The assumption is that since the AUTOINC locks are statement level locks. Nested statements introduced by triggers are stacked it should hold. There was some cleanup done to the vector code too by adding const and some new functions. Rename dict_table_t::auto_inc_lock to autoinc_lock. Fix Bug#26316 Triggers create duplicate entries on auto-increment columns rb://22 ------------------------------------------------------------------------ r2944 | vasil | 2008-10-31 09:44:16 +0200 (Fri, 31 Oct 2008) | 12 lines branches/zip: Revert our temporary fix for "Bug#40360 Binlog related errors with binlog off" (r2935, r2936) and deploy MySQL's one, but put the function mysql_bin_log_is_engaged() inside mysql_addons.cc instead of in mysql's log.cc and use a different name for it so there is no collision when MySQL adds this function in log.cc. [note from the future: the windows part of this patch went into r2947] Approved by: Marko (https://svn.innodb.com/rb/r/41/) ------------------------------------------------------------------------ r2945 | sunny | 2008-10-31 09:44:45 +0200 (Fri, 31 Oct 2008) | 2 lines branches/zip: Update ChangeLog with r2943 info. ------------------------------------------------------------------------ r2946 | marko | 2008-10-31 10:18:47 +0200 (Fri, 31 Oct 2008) | 2 lines branches/zip: Revert the unintended change to univ.i that was made in r2943. ------------------------------------------------------------------------ r2947 | calvin | 2008-10-31 10:38:26 +0200 (Fri, 31 Oct 2008) | 6 lines branches/zip: Windows plugin part of r2944 r2944 has reference to mysql_bin_log.is_open(), which is new in InnoDB. Add two new entries and remove one duplicate in mysqld.def & mysqld_x64.def. ------------------------------------------------------------------------ r2948 | vasil | 2008-10-31 11:39:07 +0200 (Fri, 31 Oct 2008) | 9 lines branches/zip: Fix Mantis issue#106 plugin init error:InnoDB: stats_on_metadata in static InnoDB (flags=0x2401) differs from stats_on_metadata in dynamic InnoDB (fl Ignore the NOSYSVAR flag in addition to ignoring the READONLY flag. Approved by: Marko (https://svn.innodb.com/rb/r/42/) ------------------------------------------------------------------------ r2949 | vasil | 2008-10-31 11:47:56 +0200 (Fri, 31 Oct 2008) | 4 lines branches/zip: White-space cleanup in ChangeLog. ------------------------------------------------------------------------ r2951 | marko | 2008-10-31 14:21:43 +0200 (Fri, 31 Oct 2008) | 4 lines branches/zip: scripts/install_innodb_plugins_win.sql: New script, for installing the InnoDB plugins in Windows. Copied from scripts/install_innodb_plugins.sql. ------------------------------------------------------------------------ r2954 | calvin | 2008-11-04 09:15:26 +0200 (Tue, 04 Nov 2008) | 8 lines branches/zip: ignore the failure when builtin_innobase_plugin is not available. External variable builtin_innobase_plugin is not available when mysqld does not have a builtin InnoDB. The init of the Windows plugin should not fail in this case. Approved by: Marko (on IM) ------------------------------------------------------------------------ r2955 | calvin | 2008-11-04 12:43:14 +0200 (Tue, 04 Nov 2008) | 11 lines branches/zip: windows plugin - fix references to array variables. This problem surfaced when running new test innodb_bug40360.test. Both tx_isolation_names and binlog_format_names are name arrays, and should be defined as wdl_tx_isolation_names and wdl_binlog_format_names, not *wdl_tx_isolation_names and *wdl_binlog_format_names. Another array variable is all_charsets, which is already correctly defined. Approved by: Marko (on IM) ------------------------------------------------------------------------ r2986 | marko | 2008-11-11 09:28:37 +0200 (Tue, 11 Nov 2008) | 11 lines branches/zip: ha_innobase::create(): Remove the dependences on DICT_TF_ZSSIZE_MAX, so that the code can be compiled with a different uncompressed page size by redefining UNIV_PAGE_SIZE_SHIFT in univ.i. Currently, the allowed values are 12, 13, or 14 (4k, 8k, 16k). Make the default compressed page size half the uncompressed page size. The previous default was 8 kilobytes, which is the same when compiling with the default 16k uncompressed page size. rb://50 approved by Pekka Lampio and Sunny Bains. ------------------------------------------------------------------------ --- CMakeLists.txt | 32 + ChangeLog | 116 ++- dict/dict0dict.c | 19 - dict/dict0mem.c | 2 +- ha_innodb.def | 4 + handler/ha_innodb.cc | 247 ++++-- handler/handler0alter.cc | 1 + handler/handler0vars.h | 51 ++ handler/i_s.cc | 1 + handler/mysql_addons.cc | 13 + handler/win_delay_loader.cc | 1012 ++++++++++++++++++++++++ include/data0type.ic | 2 +- include/dict0dict.h | 11 - include/dict0mem.h | 34 +- include/lock0lock.h | 16 +- include/mysql_addons.h | 13 + include/row0mysql.h | 4 +- include/srv0srv.h | 2 - include/trx0trx.h | 10 +- include/univ.i | 2 +- include/ut0rnd.ic | 9 - include/ut0vec.h | 28 +- include/ut0vec.ic | 46 +- lock/lock0lock.c | 140 +++- mysql-test/innodb-index.result | 2 - mysql-test/innodb-index.test | 2 - mysql-test/innodb_bug40360.result | 4 + mysql-test/innodb_bug40360.test | 16 + mysql-test/patches/innodb-index.diff | 8 +- row/row0mysql.c | 27 +- scripts/install_innodb_plugins_win.sql | 9 + srv/srv0srv.c | 2 - trx/trx0trx.c | 11 +- win-plugin/README | 25 + win-plugin/win-plugin.diff | 310 ++++++++ 35 files changed, 1989 insertions(+), 242 deletions(-) create mode 100644 ha_innodb.def create mode 100644 handler/handler0vars.h create mode 100644 handler/win_delay_loader.cc create mode 100644 mysql-test/innodb_bug40360.result create mode 100644 mysql-test/innodb_bug40360.test create mode 100644 scripts/install_innodb_plugins_win.sql create mode 100644 win-plugin/README create mode 100644 win-plugin/win-plugin.diff diff --git a/CMakeLists.txt b/CMakeLists.txt index c9ca4344e5d..1fcc92212bb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -17,6 +17,14 @@ SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") ADD_DEFINITIONS(-DMYSQL_SERVER -D_WIN32 -D_LIB) +# Bug 19424 - InnoDB: Possibly a memory overrun of the buffer being freed (64-bit Visual C) +# Removing Win64 compiler optimizations for all innodb/mem/* files. +IF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 8) + SET_SOURCE_FILES_PROPERTIES(${CMAKE_SOURCE_DIR}/storage/innobase/mem/mem0mem.c + ${CMAKE_SOURCE_DIR}/storage/innobase/mem/mem0pool.c + PROPERTIES COMPILE_FLAGS -Od) +ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 8) + INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/zlib ${CMAKE_SOURCE_DIR}/storage/innobase/include ${CMAKE_SOURCE_DIR}/storage/innobase/handler @@ -61,4 +69,28 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c IF(NOT SOURCE_SUBLIBS) ADD_LIBRARY(innobase ${INNOBASE_SOURCES}) ADD_DEPENDENCIES(innobase GenError) + + IF(INNODB_DYNAMIC_PLUGIN) + # The dynamic plugin requires CMake 2.6.0 or later. Otherwise, the /DELAYLOAD property + # will not be set + CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR) + ADD_LIBRARY(ha_innodb SHARED ${INNOBASE_SOURCES} ha_innodb.def handler/win_delay_loader.cc) + ADD_DEPENDENCIES(ha_innodb GenError mysqld) + # If build type is not specified as Release, default to Debug + # This is a workaround to a problem in CMake 2.6, which does not + # set the path of mysqld.lib correctly + IF(CMAKE_BUILD_TYPE MATCHES Release) + SET(CMAKE_BUILD_TYPE "Release") + ELSE(CMAKE_BUILD_TYPE MATCHES Release) + SET(CMAKE_BUILD_TYPE "Debug") + ENDIF(CMAKE_BUILD_TYPE MATCHES Release) + TARGET_LINK_LIBRARIES(ha_innodb strings zlib) + TARGET_LINK_LIBRARIES(ha_innodb ${CMAKE_SOURCE_DIR}/sql/${CMAKE_BUILD_TYPE}/mysqld.lib) + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES OUTPUT_NAME ha_innodb) + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/MAP /MAPINFO:EXPORTS") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/ENTRY:\"_DllMainCRTStartup@12\"") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES COMPILE_FLAGS "-DMYSQL_DYNAMIC_PLUGIN") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/DELAYLOAD:mysqld.exe") + ENDIF(INNODB_DYNAMIC_PLUGIN) + ENDIF(NOT SOURCE_SUBLIBS) diff --git a/ChangeLog b/ChangeLog index 95895968192..0a4b01ef406 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,12 +1,53 @@ +2008-10-31 The InnoDB Team + + * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, + include/row0mysql.h, include/trx0trx.h, include/univ.i, + include/ut0vec.h, include/ut0vec.ic, lock/lock0lock.c, + row/row0mysql.c, trx/trx0trx.c: + Fix Bug#26316 Triggers create duplicate entries on auto-increment + columns + +2008-10-30 The InnoDB Team + + * handler/ha_innodb.cc, handler/handler0vars.h, + handler/win_delay_loader.cc, mysql-test/innodb_bug40360.result, + mysql-test/innodb_bug40360.test: + Fix Bug#40360 Binlog related errors with binlog off + +2008-10-29 The InnoDB Team + + * include/data0type.ic: + Fix Bug#40369 dtype_get_sql_null_size() returns 0 or 1, not the size + +2008-10-29 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: + Fix Bug#38189 innodb_stats_on_metadata missing + +2008-10-28 The InnoDB Team + + * CMakeLists.txt, ha_innodb.def, handler/ha_innodb.cc, + handler/handler0alter.cc, handler/handler0vars.h, handler/i_s.cc, + handler/win_delay_loader.cc, win-plugin/*: + Implemented the delayloading of externals for the plugin on Windows. + This makes it possible to build a dynamic plugin (ha_innodb.dll) on + Windows. + +2008-10-27 The InnoDB Team + + * CMakeLists.txt: + Fix Bug#19424 InnoDB: Possibly a memory overrun of the buffer being + freed (64-bit Visual C) + 2008-10-23 The InnoDB Team * ibuf/ibuf0ibuf.c: - ibuf_delete_rec(): When the cursor to the insert buffer record cannot be restored, do not complain if the tablespace does not exist, because the insert buffer record may have been discarded by - some other thread. This bug has existed in MySQL/InnoDB since + some other thread. This bug has existed in MySQL/InnoDB since version 4.1, when innodb_file_per_table was implemented. + This may fix Bug#27276 InnoDB Error: ibuf cursor restoration fails. 2008-10-22 The InnoDB Team @@ -27,25 +68,25 @@ 2008-10-16 The InnoDB Team - * dict/dict0dict.c, - mysql-test/innodb-index.result, mysql-test/innodb-index.test: + * dict/dict0dict.c, mysql-test/innodb-index.result, + mysql-test/innodb-index.test: Skip the undo log size check when creating REDUNDANT and COMPACT - tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column + tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column prefix indexes require that prefixes of externally stored columns be written to the undo log. This may make the undo log record - bigger than the record on the B-tree page. The maximum size of an - undo log record is the page size. That must be checked for, in - dict_index_add_to_cache(). However, this restriction must not + bigger than the record on the B-tree page. The maximum size of an + undo log record is the page size. That must be checked for, in + dict_index_add_to_cache(). However, this restriction must not be enforced on REDUNDANT or COMPACT tables. 2008-10-15 The InnoDB Team - * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, - row/row0sel.c, row/row0upd.c: + * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, row/row0sel.c, + row/row0upd.c: When the server crashes while freeing an externally stored column of a compressed table, the BTR_EXTERN_LEN field in the BLOB - pointer will be written as 0. Tolerate this in the functions that - deal with externally stored columns. This fixes problems after + pointer will be written as 0. Tolerate this in the functions that + deal with externally stored columns. This fixes problems after crash recovery, in the rollback of incomplete transactions, and in the purge of delete-marked records. @@ -53,12 +94,12 @@ * btr/btr0btr.c, include/page0zip.h, page/page0zip.c, include/univ.i: When a B-tree node of a compressed table is split or merged, the - compression may fail. In this case, the entire compressed page - will be copied and the excess records will be deleted. However, + compression may fail. In this case, the entire compressed page + will be copied and the excess records will be deleted. However, page_zip_copy(), now renamed to page_zip_copy_recs(), copied too many fields in the page header, overwriting PAGE_BTR_SEG_LEAF and - PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused - corruption of compressed tables. Furthermore, the lock table and + PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused + corruption of compressed tables. Furthermore, the lock table and the adaptive hash index would be corrupted, because we forgot to update them when invoking page_zip_copy_recs(). @@ -69,10 +110,10 @@ * handler/handler0alter.cc, include/row0merge.h, row/row0merge.c, row/row0mysql.c: - Fix some locking issues, mainly in fast index creation. The + Fix some locking issues, mainly in fast index creation. The InnoDB data dictionary cache should be latched whenever a transaction is holding locks on any data dictionary tables. - Otherwise, lock waits or deadlocks could occur. Furthermore, the + Otherwise, lock waits or deadlocks could occur. Furthermore, the data dictionary transaction must be committed (and the locks released) before the data dictionary latch is released. @@ -92,13 +133,14 @@ 2008-10-08 The InnoDB Team * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, - row/row0merge.c, row/row0mysql.c: When dropping a table, hold the - data dictionary latch until the transaction has been committed. - The data dictionary latch is supposed to prevent lock waits and - deadlocks in the data dictionary tables. Due to this bug, - DROP TABLE could cause a deadlock or hang. Note that because of - Bug#33650 and Bug#39833, MySQL may also drop a (temporary) table - when executing CREATE INDEX or ALTER TABLE ... ADD INDEX. + row/row0merge.c, row/row0mysql.c: + When dropping a table, hold the data dictionary latch until the + transaction has been committed. The data dictionary latch is + supposed to prevent lock waits and deadlocks in the data + dictionary tables. Due to this bug, DROP TABLE could cause a + deadlock or hang. Note that because of Bug#33650 and Bug#39833, + MySQL may also drop a (temporary) table when executing CREATE INDEX + or ALTER TABLE ... ADD INDEX. 2008-10-04 The InnoDB Team @@ -137,8 +179,8 @@ * mysql-test/innodb-index.test, mysql-test/innodb-index.result, mysql-test/innodb-timeout.test, mysql-test/innodb-timeout.result, - srv/srv0srv.c, include/srv0srv.h, - handler/ha_innodb.cc, include/ha_prototypes.h: + srv/srv0srv.c, include/srv0srv.h, handler/ha_innodb.cc, + include/ha_prototypes.h: Fix Bug#36285 innodb_lock_wait_timeout is not dynamic, not per session 2008-09-19 The InnoDB Team @@ -151,15 +193,14 @@ 2008-09-17 The InnoDB Team * mysql-test/innodb.result, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, mysql-test/innodb.test, - ibuf/ibuf0ibuf.c, dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, - include/dict0dict.h, include/trx0trx.h, - dict/dict0dict.c, trx/trx0trx.c, - include/ha_prototypes.h, handler/ha_innodb.cc: + mysql-test/innodb-zip.test, mysql-test/innodb.test, ibuf/ibuf0ibuf.c, + dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, + include/dict0dict.h, include/trx0trx.h, dict/dict0dict.c, + trx/trx0trx.c, include/ha_prototypes.h, handler/ha_innodb.cc: When creating an index in innodb_strict_mode, check that the maximum record size will never exceed the B-tree page size limit. For uncompressed tables, there should always be enough space for - two records in an empty B-tree page. For compressed tables, there + two records in an empty B-tree page. For compressed tables, there should be enough space for storing two node pointer records or one data record in an empty page in uncompressed format. The purpose of this check is to guarantee that INSERT or UPDATE @@ -168,12 +209,11 @@ 2008-09-17 The InnoDB Team * btr/btr0cur.c, data/data0data.c, include/page0zip.h, - include/page0zip.ic, page/page0zip.c, - mysql-test/innodb_bug36172.test: + include/page0zip.ic, page/page0zip.c, mysql-test/innodb_bug36172.test: Prevent infinite B-tree page splits in compressed tables by ensuring that there will always be enough space for two node - pointer records in an empty B-tree page. Also, require that at - least one data record will fit in an empty compressed page. This + pointer records in an empty B-tree page. Also, require that at + least one data record will fit in an empty compressed page. This will reduce the maximum size of records in compressed tables. 2008-09-09 The InnoDB Team @@ -429,7 +469,7 @@ 2008-04-29 The InnoDB Team - * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: + * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: Fix Bug#36310 InnoDB plugin crash 2008-04-23 The InnoDB Team diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 23822d7f9f7..0f5eef60059 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -3648,25 +3648,6 @@ try_find_index: goto loop; } -/************************************************************************** -Determines whether a string starts with the specified keyword. */ -UNIV_INTERN -ibool -dict_str_starts_with_keyword( -/*=========================*/ - /* out: TRUE if str starts - with keyword */ - void* mysql_thd, /* in: MySQL thread handle */ - const char* str, /* in: string to scan for keyword */ - const char* keyword) /* in: keyword to look for */ -{ - struct charset_info_st* cs = innobase_get_charset(mysql_thd); - ibool success; - - dict_accept(cs, str, keyword, &success); - return(success); -} - /************************************************************************* Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after diff --git a/dict/dict0mem.c b/dict/dict0mem.c index bf0e14304dd..15372d8e261 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -58,7 +58,7 @@ dict_mem_table_create( table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS) * sizeof(dict_col_t)); - table->auto_inc_lock = mem_heap_alloc(heap, lock_get_size()); + table->autoinc_lock = mem_heap_alloc(heap, lock_get_size()); mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); diff --git a/ha_innodb.def b/ha_innodb.def new file mode 100644 index 00000000000..e0faa62deb1 --- /dev/null +++ b/ha_innodb.def @@ -0,0 +1,4 @@ +EXPORTS + _mysql_plugin_interface_version_ + _mysql_sizeof_struct_st_plugin_ + _mysql_plugin_declarations_ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index a05cfdee3a2..f680a41f1dd 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -69,6 +69,8 @@ extern "C" { #include "ha_innodb.h" #include "i_s.h" +#include "handler0vars.h" +#include "mysql_addons.h" #ifndef MYSQL_SERVER /* This is needed because of Bug #3596. Let us hope that pthread_mutex_t @@ -107,7 +109,11 @@ undefined. Map it to NULL. */ #ifdef MYSQL_DYNAMIC_PLUGIN /* These must be weak global variables in the dynamic plugin. */ struct handlerton* innodb_hton_ptr; +#ifdef __WIN__ +struct st_mysql_plugin* builtin_innobase_plugin_ptr; +#else int builtin_innobase_plugin; +#endif /* __WIN__ */ /******************************************************************** Copy InnoDB system variables from the static InnoDB to the dynamic plugin. */ @@ -163,7 +169,7 @@ static my_bool innobase_use_checksums = TRUE; static my_bool innobase_locks_unsafe_for_binlog = FALSE; static my_bool innobase_rollback_on_timeout = FALSE; static my_bool innobase_create_status_file = FALSE; -static my_bool innobase_stats_on_metadata = TRUE; +static my_bool innobase_stats_on_metadata = TRUE; static my_bool innobase_adaptive_hash_index = TRUE; static char* internal_innobase_data_file_path = NULL; @@ -520,7 +526,7 @@ thd_is_replication_slave_thread( /********************************************************************** Save some CPU by testing the value of srv_thread_concurrency in inline functions. */ -inline +static inline void innodb_srv_conc_enter_innodb( /*=========================*/ @@ -537,7 +543,7 @@ innodb_srv_conc_enter_innodb( /********************************************************************** Save some CPU by testing the value of srv_thread_concurrency in inline functions. */ -inline +static inline void innodb_srv_conc_exit_innodb( /*========================*/ @@ -556,7 +562,7 @@ Releases possible search latch and InnoDB thread FIFO ticket. These should be released at each SQL statement end, and also when mysqld passes the control to the client. It does no harm to release these also in the middle of an SQL statement. */ -inline +static inline void innobase_release_stat_resources( /*============================*/ @@ -630,7 +636,7 @@ thd_lock_wait_timeout( /************************************************************************ Obtain the InnoDB transaction of a MySQL thread. */ -inline +static inline trx_t*& thd_to_trx( /*=======*/ @@ -674,7 +680,7 @@ Increments innobase_active_counter and every INNOBASE_WAKE_INTERVALth time calls srv_active_wake_master_thread. This function should be used when a single database operation may introduce a small need for server utility activity, like checkpointing. */ -inline +static inline void innobase_active_small(void) /*=======================*/ @@ -948,6 +954,99 @@ innobase_get_charset( return(thd_charset((THD*) mysql_thd)); } +#if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) +/*********************************************************************** +Map an OS error to an errno value. The OS error number is stored in +_doserrno and the mapped value is stored in errno) */ +extern "C" +void __cdecl +_dosmaperr( + unsigned long); /* in: OS error value */ + +/************************************************************************* +Creates a temporary file. */ +extern "C" UNIV_INTERN +int +innobase_mysql_tmpfile(void) +/*========================*/ + /* out: temporary file descriptor, or < 0 on error */ +{ + int fd; /* handle of opened file */ + HANDLE osfh; /* OS handle of opened file */ + char* tmpdir; /* point to the directory + where to create file */ + TCHAR path_buf[MAX_PATH - 14]; /* buffer for tmp file path. + The length cannot be longer + than MAX_PATH - 14, or + GetTempFileName will fail. */ + char filename[MAX_PATH]; /* name of the tmpfile */ + DWORD fileaccess = GENERIC_READ /* OS file access */ + | GENERIC_WRITE + | DELETE; + DWORD fileshare = FILE_SHARE_READ /* OS file sharing mode */ + | FILE_SHARE_WRITE + | FILE_SHARE_DELETE; + DWORD filecreate = CREATE_ALWAYS; /* OS method of open/create */ + DWORD fileattrib = /* OS file attribute flags */ + FILE_ATTRIBUTE_NORMAL + | FILE_FLAG_DELETE_ON_CLOSE + | FILE_ATTRIBUTE_TEMPORARY + | FILE_FLAG_SEQUENTIAL_SCAN; + + DBUG_ENTER("innobase_mysql_tmpfile"); + + tmpdir = my_tmpdir(&mysql_tmpdir_list); + + /* The tmpdir parameter can not be NULL for GetTempFileName. */ + if (!tmpdir) { + uint ret; + + /* Use GetTempPath to determine path for temporary files. */ + ret = GetTempPath(sizeof(path_buf), path_buf); + if (ret > sizeof(path_buf) || (ret == 0)) { + + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + tmpdir = path_buf; + } + + /* Use GetTempFileName to generate a unique filename. */ + if (!GetTempFileName(tmpdir, "ib", 0, filename)) { + + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + DBUG_PRINT("info", ("filename: %s", filename)); + + /* Open/Create the file. */ + osfh = CreateFile(filename, fileaccess, fileshare, NULL, + filecreate, fileattrib, NULL); + if (osfh == INVALID_HANDLE_VALUE) { + + /* open/create file failed! */ + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + do { + /* Associates a CRT file descriptor with the OS file handle. */ + fd = _open_osfhandle((intptr_t) osfh, 0); + } while (fd == -1 && errno == EINTR); + + if (fd == -1) { + /* Open failed, close the file handle. */ + + _dosmaperr(GetLastError()); /* map error */ + CloseHandle(osfh); /* no need to check if + CloseHandle fails */ + } + + DBUG_RETURN(fd); +} +#else /************************************************************************* Creates a temporary file. */ extern "C" UNIV_INTERN @@ -979,6 +1078,7 @@ innobase_mysql_tmpfile(void) } return(fd2); } +#endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ /************************************************************************* Wrapper around MySQL's copy_and_convert function, see it for @@ -1194,7 +1294,7 @@ ha_innobase::~ha_innobase() Updates the user_thd field in a handle and also allocates a new InnoDB transaction handle if needed, and updates the transaction fields in the prebuilt struct. */ -inline +UNIV_INTERN inline void ha_innobase::update_thd( /*====================*/ @@ -1231,7 +1331,7 @@ Registers that InnoDB takes part in an SQL statement, so that MySQL knows to roll back the statement if the statement results in an error. This MUST be called for every SQL statement that may be rolled back by MySQL. Calling this several times to register the same statement is allowed, too. */ -inline +static inline void innobase_register_stmt( /*===================*/ @@ -1250,7 +1350,7 @@ MUST be called for every transaction for which the user may call commit or rollback. Calling this several times to register the same transaction is allowed, too. This function also registers the current SQL statement. */ -inline +static inline void innobase_register_trx_and_stmt( /*===========================*/ @@ -1984,8 +2084,6 @@ innobase_init( srv_max_n_open_files = (ulint) innobase_open_files; srv_innodb_status = (ibool) innobase_create_status_file; - srv_stats_on_metadata = (ibool) innobase_stats_on_metadata; - btr_search_disabled = (ibool) !innobase_adaptive_hash_index; srv_print_verbose_log = mysqld_embedded ? 0 : 1; @@ -3038,7 +3136,7 @@ ha_innobase::close(void) /****************************************************************** Gets field offset for a field in a table. */ -inline +static inline uint get_field_offset( /*=============*/ @@ -3082,7 +3180,7 @@ field_in_record_is_null( /****************************************************************** Sets a field in a record to SQL NULL. Uses the record format information in table to track the null bit in record. */ -inline +static inline void set_field_in_record_to_null( /*========================*/ @@ -3291,7 +3389,7 @@ get_innobase_type_from_mysql_type( /*********************************************************************** Writes an unsigned integer value < 64k to 2 bytes, in the little-endian storage format. */ -inline +static inline void innobase_write_to_2_little_endian( /*==============================*/ @@ -3307,7 +3405,7 @@ innobase_write_to_2_little_endian( /*********************************************************************** Reads an unsigned integer value < 64k from 2 bytes, in the little-endian storage format. */ -inline +static inline uint innobase_read_from_2_little_endian( /*===============================*/ @@ -4637,7 +4735,7 @@ ha_innobase::index_end(void) /************************************************************************* Converts a search mode flag understood by MySQL to a flag understood by InnoDB. */ -inline +static inline ulint convert_search_mode_to_innobase( /*============================*/ @@ -5875,40 +5973,21 @@ ha_innobase::create( if (create_info->key_block_size || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { - switch (create_info->key_block_size) { - case 1: - flags = 1 << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; - case 2: - flags = 2 << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; - case 4: - flags = 3 << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; - case 8: - flags = 4 << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; - case 16: - flags = 5 << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; -#if DICT_TF_ZSSIZE_MAX != 5 -# error "DICT_TF_ZSSIZE_MAX != 5" -#endif + /* Determine the page_zip.ssize corresponding to the + requested page size (key_block_size) in kilobytes. */ + + ulint ssize, ksize; + ulint key_block_size = create_info->key_block_size; + + for (ssize = ksize = 1; ssize <= DICT_TF_ZSSIZE_MAX; + ssize++, ksize <<= 1) { + if (key_block_size == ksize) { + flags = ssize << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + } } if (!srv_file_per_table) { @@ -5960,12 +6039,16 @@ ha_innobase::create( /* No KEY_BLOCK_SIZE */ if (form->s->row_type == ROW_TYPE_COMPRESSED) { /* ROW_FORMAT=COMPRESSED without - KEY_BLOCK_SIZE implies - KEY_BLOCK_SIZE=8. */ - flags = 4 << DICT_TF_ZSSIZE_SHIFT + KEY_BLOCK_SIZE implies half the + maximum KEY_BLOCK_SIZE. */ + flags = (DICT_TF_ZSSIZE_MAX - 1) + << DICT_TF_ZSSIZE_SHIFT | DICT_TF_COMPACT | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; + << DICT_TF_FORMAT_SHIFT; +#if DICT_TF_ZSSIZE_MAX < 1 +# error "DICT_TF_ZSSIZE_MAX < 1" +#endif } } @@ -6777,7 +6860,7 @@ ha_innobase::info( ib_table = prebuilt->table; if (flag & HA_STATUS_TIME) { - if (srv_stats_on_metadata) { + if (innobase_stats_on_metadata) { /* In sql_show we call with this flag: update then statistics so that they are up-to-date */ @@ -7553,7 +7636,7 @@ ha_innobase::start_stmt( /********************************************************************** Maps a MySQL trx isolation level code to the InnoDB isolation level code */ -inline +static inline ulint innobase_map_isolation_level( /*=========================*/ @@ -7596,12 +7679,12 @@ ha_innobase::external_lock( READ UNCOMMITTED and READ COMMITTED since the necessary locks cannot be taken. In this case, we print an informative error message and return with an error. */ - if (lock_type == F_WRLCK) + if (lock_type == F_WRLCK && ib_bin_log_is_engaged(thd)) { ulong const binlog_format= thd_binlog_format(thd); ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED && - binlog_format == BINLOG_FORMAT_STMT) + if (tx_isolation <= ISO_READ_COMMITTED + && binlog_format == BINLOG_FORMAT_STMT) { char buf[256]; my_snprintf(buf, sizeof(buf), @@ -9343,7 +9426,7 @@ static MYSQL_SYSVAR_BOOL(status_file, innobase_create_status_file, NULL, NULL, FALSE); static MYSQL_SYSVAR_BOOL(stats_on_metadata, innobase_stats_on_metadata, - PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_NOSYSVAR, + PLUGIN_VAR_OPCMDARG, "Enable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)", NULL, NULL, TRUE); @@ -9568,6 +9651,20 @@ innodb_plugin_init(void) #error "MYSQL_STORAGE_ENGINE_PLUGIN must be nonzero." #endif + /* Copy the system variables. */ + + struct st_mysql_plugin* builtin; + struct st_mysql_sys_var** sta; /* static parameters */ + struct st_mysql_sys_var** dyn; /* dynamic parameters */ + +#ifdef __WIN__ + if (!builtin_innobase_plugin_ptr) { + + return(true); + } + + builtin = builtin_innobase_plugin_ptr; +#else switch (builtin_innobase_plugin) { case 0: return(true); @@ -9577,34 +9674,34 @@ innodb_plugin_init(void) return(false); } - /* Copy the system variables. */ - - struct st_mysql_plugin* builtin; - struct st_mysql_sys_var** sta; /* static parameters */ - struct st_mysql_sys_var** dyn; /* dynamic parameters */ - builtin = (struct st_mysql_plugin*) &builtin_innobase_plugin; +#endif for (sta = builtin->system_vars; *sta != NULL; sta++) { - /* do not copy session variables */ - if ((*sta)->flags & PLUGIN_VAR_THDLOCAL) { - continue; - } - for (dyn = innobase_system_variables; *dyn != NULL; dyn++) { + /* do not copy session variables */ + if (((*sta)->flags | (*dyn)->flags) + & PLUGIN_VAR_THDLOCAL) { + continue; + } + if (innobase_match_parameter((*sta)->name, (*dyn)->name)) { /* found the corresponding parameter */ /* check if the flags are the same, - ignoring differences in the READONLY flag; + ignoring differences in the READONLY or + NOSYSVAR flags; e.g. we are not copying string variable to - an integer one */ - if (((*sta)->flags & ~PLUGIN_VAR_READONLY) - != ((*dyn)->flags & ~PLUGIN_VAR_READONLY)) { + an integer one, but we do not care if it is + readonly in the static and not in the + dynamic */ + if (((*sta)->flags ^ (*dyn)->flags) + & ~(PLUGIN_VAR_READONLY + | PLUGIN_VAR_NOSYSVAR)) { fprintf(stderr, "InnoDB: %s in static InnoDB " diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 5d20e068702..4ffacb8d5e8 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -18,6 +18,7 @@ extern "C" { } #include "ha_innodb.h" +#include "handler0vars.h" /***************************************************************** Copies an InnoDB column to a MySQL field. This function is diff --git a/handler/handler0vars.h b/handler/handler0vars.h new file mode 100644 index 00000000000..2e34d6ba85e --- /dev/null +++ b/handler/handler0vars.h @@ -0,0 +1,51 @@ +/*********************************************************************** +This file contains accessor functions for dynamic plugin on Windows. + +(c) 2008 Innobase Oy +***********************************************************************/ +#if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN +/*********************************************************************** +This is a list of externals that can not be resolved by delay loading. +They have to be resolved indirectly via their addresses in the .map file. +All of them are external variables. */ +extern CHARSET_INFO* wdl_my_charset_bin; +extern CHARSET_INFO* wdl_my_charset_latin1; +extern CHARSET_INFO* wdl_my_charset_filename; +extern CHARSET_INFO** wdl_system_charset_info; +extern CHARSET_INFO** wdl_default_charset_info; +extern CHARSET_INFO** wdl_all_charsets; +extern system_variables* wdl_global_system_variables; +extern char* wdl_mysql_real_data_home; +extern char** wdl_mysql_data_home; +extern char** wdl_tx_isolation_names; +extern char** wdl_binlog_format_names; +extern char* wdl_reg_ext; +extern pthread_mutex_t* wdl_LOCK_thread_count; +extern key_map* wdl_key_map_full; +extern MY_TMPDIR* wdl_mysql_tmpdir_list; +extern bool* wdl_mysqld_embedded; +extern uint* wdl_lower_case_table_names; +extern ulong* wdl_specialflag; +extern int* wdl_my_umask; + +#define my_charset_bin (*wdl_my_charset_bin) +#define my_charset_latin1 (*wdl_my_charset_latin1) +#define my_charset_filename (*wdl_my_charset_filename) +#define system_charset_info (*wdl_system_charset_info) +#define default_charset_info (*wdl_default_charset_info) +#define all_charsets (wdl_all_charsets) +#define global_system_variables (*wdl_global_system_variables) +#define mysql_real_data_home (wdl_mysql_real_data_home) +#define mysql_data_home (*wdl_mysql_data_home) +#define tx_isolation_names (wdl_tx_isolation_names) +#define binlog_format_names (wdl_binlog_format_names) +#define reg_ext (wdl_reg_ext) +#define LOCK_thread_count (*wdl_LOCK_thread_count) +#define key_map_full (*wdl_key_map_full) +#define mysql_tmpdir_list (*wdl_mysql_tmpdir_list) +#define mysqld_embedded (*wdl_mysqld_embedded) +#define lower_case_table_names (*wdl_lower_case_table_names) +#define specialflag (*wdl_specialflag) +#define my_umask (*wdl_my_umask) + +#endif diff --git a/handler/i_s.cc b/handler/i_s.cc index 081abce8198..478a564b01e 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -25,6 +25,7 @@ extern "C" { #include "ha_prototypes.h" /* for innobase_convert_name() */ #include "srv0start.h" /* for srv_was_started */ } +#include "handler0vars.h" static const char plugin_author[] = "Innobase Oy"; diff --git a/handler/mysql_addons.cc b/handler/mysql_addons.cc index 66dc2675973..6dfdf6ced76 100644 --- a/handler/mysql_addons.cc +++ b/handler/mysql_addons.cc @@ -36,3 +36,16 @@ ib_thd_get_thread_id( { return((unsigned long) ((THD*) thd)->thread_id); } + +/* http://bugs.mysql.com/40360 */ +/* http://lists.mysql.com/commits/57450 */ +/** + See if the binary log is engaged for a thread, i.e., open and + LOG_BIN is set. + + @return @c true if the binlog is active, @c false otherwise. +*/ +my_bool ib_bin_log_is_engaged(const MYSQL_THD thd) +{ + return mysql_bin_log.is_open() && (thd->options & OPTION_BIN_LOG); +} diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc new file mode 100644 index 00000000000..7cee5cf3f36 --- /dev/null +++ b/handler/win_delay_loader.cc @@ -0,0 +1,1012 @@ +/*********************************************************************** +This file contains functions that implement the delay loader on Windows. + +This is a customized version of delay loader with limited functionalities. +It does not support: + +* (manual) unloading +* multiple delay loaded DLLs +* multiple loading of the same DLL + +This delay loader is used only by the InnoDB plugin. Other components (DLLs) +can still use the default delay loader, provided by MSVC. + +Several acronyms used by Microsoft: + * IAT: import address table + * INT: import name table + * RVA: Relative Virtual Address + +See http://msdn.microsoft.com/en-us/magazine/bb985992.aspx for details of +PE format. + +(c) 2008 Innobase Oy +***********************************************************************/ +#if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) +# define WIN32_LEAN_AND_MEAN +# include +# include +# include + +extern "C" { +# include "univ.i" +# include "hash0hash.h" +} + +/*********************************************************************** +This following contains a list of externals that can not be resolved by +delay loading. They have to be resolved indirectly via their addresses +in the .map file. All of them are external variables. */ +CHARSET_INFO* wdl_my_charset_bin; +CHARSET_INFO* wdl_my_charset_latin1; +CHARSET_INFO* wdl_my_charset_filename; +CHARSET_INFO** wdl_system_charset_info; +CHARSET_INFO** wdl_default_charset_info; +CHARSET_INFO** wdl_all_charsets; +system_variables* wdl_global_system_variables; +char* wdl_mysql_real_data_home; +char** wdl_mysql_data_home; +char** wdl_tx_isolation_names; +char** wdl_binlog_format_names; +char* wdl_reg_ext; +pthread_mutex_t* wdl_LOCK_thread_count; +key_map* wdl_key_map_full; +MY_TMPDIR* wdl_mysql_tmpdir_list; +bool* wdl_mysqld_embedded; +uint* wdl_lower_case_table_names; +ulong* wdl_specialflag; +int* wdl_my_umask; + +/*********************************************************************** +The following is defined in ha_innodb.cc. It is used for copying the +system variables from the builtin innodb plugin to the dynamic plugin. +*/ +extern struct st_mysql_plugin* builtin_innobase_plugin_ptr; + +/*********************************************************************** +The preffered load-address defined in PE (portable executable format).*/ +#if defined(_M_IA64) +#pragma section(".base", long, read) +extern "C" +__declspec(allocate(".base")) +const IMAGE_DOS_HEADER __ImageBase; +#else +extern "C" +const IMAGE_DOS_HEADER __ImageBase; +#endif + +/*********************************************************************** +A template function for converting a relative address (RVA) to an +absolute address (VA). This is due to the pointers in the delay +descriptor (ImgDelayDescr in delayimp.h) have been changed from +VAs to RVAs to work on both 32- and 64-bit platforms. */ +template +X PFromRva(RVA rva) { + return X(PBYTE(&__ImageBase) + rva); +} + +/*********************************************************************** +Convert to the old format for convenience. The structure as well as its +element names follow the definition of ImgDelayDescr in delayimp.h. */ +struct InternalImgDelayDescr { + DWORD grAttrs; /* attributes */ + LPCSTR szName; /* pointer to dll name */ + HMODULE* phmod; /* address of module handle */ + PImgThunkData pIAT; /* address of the IAT */ + PCImgThunkData pINT; /* address of the INT */ + PCImgThunkData pBoundIAT; /* address of the optional bound IAT */ + PCImgThunkData pUnloadIAT; /* address of optional copy of + original IAT */ + DWORD dwTimeStamp; /* 0 if not bound, + otherwise date/time stamp of DLL + bound to (Old BIND) */ +}; + +typedef struct map_hash_chain_struct map_hash_chain_t; + +struct map_hash_chain_struct { + char* symbol; /* pointer to a symbol */ + ulint value; /* address of the symbol */ + map_hash_chain_t* next; /* pointer to the next cell + in the same folder. */ + map_hash_chain_t* chain; /* a linear chain used for + cleanup. */ +}; + +static HMODULE my_hmod = 0; +static struct hash_table_struct* m_htbl = NULL ; +static map_hash_chain_t* chain_header = NULL; +static ibool wdl_init = FALSE; +const ulint MAP_HASH_CELLS_NUM = 10000; + +#ifndef DBUG_OFF +/*********************************************************************** +In the dynamic plugin, it is required to call the following dbug functions +in the server: + _db_pargs_ + _db_doprnt_ + _db_enter_ + _db_return_ + _db_dump_ + +The plugin will get those function pointers during the initialization. +*/ +typedef void (__cdecl* pfn_db_enter_)( + const char* _func_, + const char* _file_, + uint _line_, + const char** _sfunc_, + const char** _sfile_, + uint* _slevel_, + char***); + +typedef void (__cdecl* pfn_db_return_)( + uint _line_, + const char** _sfunc_, + const char** _sfile_, + uint* _slevel_); + +typedef void (__cdecl* pfn_db_pargs_)( + uint _line_, + const char* keyword); + +typedef void (__cdecl* pfn_db_doprnt_)( + const char* format, + ...); + +typedef void (__cdecl* pfn_db_dump_)( + uint _line_, + const char* keyword, + const unsigned char* memory, + size_t length); + +static pfn_db_enter_ wdl_db_enter_; +static pfn_db_return_ wdl_db_return_; +static pfn_db_pargs_ wdl_db_pargs_; +static pfn_db_doprnt_ wdl_db_doprnt_; +static pfn_db_dump_ wdl_db_dump_; +#endif /* !DBUG_OFF */ + +/***************************************************************** +Creates a hash table with >= n array cells. The actual number of cells is +chosen to be a prime number slightly bigger than n. + +This is the same function as hash_create in hash0hash.c, except the +memory allocation. This function is invoked before the engine is +initialized, and buffer pools are not ready yet. */ +static +hash_table_t* +wdl_hash_create( +/*============*/ + /* out, own: created hash table */ + ulint n) /* in: number of array cells */ +{ + hash_cell_t* array; + ulint prime; + hash_table_t* table; + + prime = ut_find_prime(n); + + table = (hash_table_t*) malloc(sizeof(hash_table_t)); + if (table == NULL) { + return(NULL); + } + + array = (hash_cell_t*) malloc(sizeof(hash_cell_t) * prime); + if (array == NULL) { + free(table); + return(NULL); + } + + table->array = array; + table->n_cells = prime; + table->n_mutexes = 0; + table->mutexes = NULL; + table->heaps = NULL; + table->heap = NULL; + table->magic_n = HASH_TABLE_MAGIC_N; + + /* Initialize the cell array */ + hash_table_clear(table); + + return(table); +} + +/***************************************************************** +Frees a hash table. */ +static +void +wdl_hash_table_free( +/*================*/ + hash_table_t* table) /* in, own: hash table */ +{ + ut_a(table != NULL); + ut_a(table->mutexes == NULL); + + free(table->array); + free(table); +} + +/*********************************************************************** +Function for calculating the count of imports given the base of the IAT. */ +static +ulint +wdl_import_count( +/*=============*/ + /* out: number of imports */ + PCImgThunkData pitd_base) /* in: base of the IAT */ +{ + ulint ret = 0; + PCImgThunkData pitd = pitd_base; + + while (pitd->u1.Function) { + pitd++; + ret++; + } + + return(ret); +} + +/*********************************************************************** +Read Mapfile to a hashtable for faster access */ +static +ibool +wdl_load_mapfile( +/*=============*/ + /* out: TRUE if the mapfile is + loaded successfully. */ + const char* filename) /* in: name of the mapfile. */ +{ + FILE* fp; + const size_t nSize = 256; + char tmp_buf[nSize]; + char* func_name; + char* func_addr; + ulint load_addr = 0; + ibool valid_load_addr = FALSE; + + fp = fopen(filename, "r"); + if (fp == NULL) { + + return(FALSE); + } + + /* Check whether to create the hashtable */ + if (m_htbl == NULL) { + + m_htbl = wdl_hash_create(MAP_HASH_CELLS_NUM); + + if (m_htbl == NULL) { + + fclose(fp); + return(FALSE); + } + } + + /* Search start of symbol list and get the preferred load address */ + while (fgets(tmp_buf, sizeof(tmp_buf), fp)) { + + if (sscanf(tmp_buf, " Preferred load address is %16X", + &load_addr) == 1) { + + valid_load_addr = TRUE; + } + + if (strstr(tmp_buf, "Rva+Base") != NULL) { + + break; + } + } + + if (valid_load_addr == FALSE) { + + /* No "Preferred load address", the map file is wrong. */ + fclose(fp); + return(FALSE); + } + + /* Read symbol list */ + while (fgets(tmp_buf, sizeof(tmp_buf), fp)) + { + map_hash_chain_t* map_cell; + ulint map_fold; + + if (*tmp_buf == 0) { + + continue; + } + + func_name = strtok(tmp_buf, " "); + func_name = strtok(NULL, " "); + func_addr = strtok(NULL, " "); + + if (func_name && func_addr) { + + ut_snprintf(tmp_buf, nSize, "0x%s", func_addr); + if (*func_name == '_') { + + func_name++; + } + + map_cell = (map_hash_chain_t*) + malloc(sizeof(map_hash_chain_t)); + if (map_cell == NULL) { + return(FALSE); + } + + /* Chain all cells together */ + map_cell->chain = chain_header; + chain_header = map_cell; + + map_cell->symbol = strdup(func_name); + map_cell->value = strtoul(tmp_buf, NULL, 0) + - load_addr; + map_fold = ut_fold_string(map_cell->symbol); + + HASH_INSERT(map_hash_chain_t, + next, + m_htbl, + map_fold, + map_cell); + } + } + + fclose(fp); + + return(TRUE); +} + +/***************************************************************** +Cleanup.during DLL unload */ +static +void +wdl_cleanup(void) +/*=============*/ +{ + while (chain_header != NULL) { + map_hash_chain_t* tmp; + + tmp = chain_header->chain; + free(chain_header->symbol); + free(chain_header); + chain_header = tmp; + } + + if (m_htbl != NULL) { + + wdl_hash_table_free(m_htbl); + } +} + +/*********************************************************************** +Load the mapfile mysqld.map. */ +static +HMODULE +wdl_get_mysqld_mapfile(void) +/*========================*/ + /* out: the module handle */ +{ + char file_name[MAX_PATH]; + char* ext; + ulint err; + + if (my_hmod == 0) { + + size_t nSize = MAX_PATH - strlen(".map") -1; + + /* First find out the name of current executable */ + my_hmod = GetModuleHandle(NULL); + if (my_hmod == 0) { + + return(my_hmod); + } + + err = GetModuleFileName(my_hmod, file_name, nSize); + if (err == 0) { + + my_hmod = 0; + return(my_hmod); + } + + ext = strrchr(file_name, '.'); + if (ext != NULL) { + + *ext = 0; + strcat(file_name, ".map"); + + err = wdl_load_mapfile(file_name); + if (err == 0) { + + my_hmod = 0; + } + } else { + + my_hmod = 0; + } + } + + return(my_hmod); +} + +/*********************************************************************** +Retrieves the address of an exported function. It follows the convention +of GetProcAddress(). */ +static +FARPROC +wdl_get_procaddr_from_map( +/*======================*/ + /* out: address of exported + function. */ + HANDLE m_handle, /* in: module handle */ + const char* import_proc) /* in: procedure name */ +{ + map_hash_chain_t* hash_chain; + ulint map_fold; + + map_fold = ut_fold_string(import_proc); + HASH_SEARCH( + next, + m_htbl, + map_fold, + map_hash_chain_t*, + hash_chain, + (ut_strcmp(hash_chain->symbol, import_proc) == 0)); + + if (hash_chain == NULL) { + +#ifdef _WIN64 + /* On Win64, the leading '_' may not be taken out. In this + case, search again without the leading '_'. */ + if (*import_proc == '_') { + + import_proc++; + } + + map_fold = ut_fold_string(import_proc); + HASH_SEARCH( + next, + m_htbl, + map_fold, + map_hash_chain_t*, + hash_chain, + (ut_strcmp(hash_chain->symbol, import_proc) == 0)); + + if (hash_chain == NULL) { +#endif + if (wdl_init == TRUE) { + + sql_print_error( + "InnoDB: the procedure pointer of %s" + " is not found.", + import_proc); + } + + return(0); +#ifdef _WIN64 + } +#endif + } + + return((FARPROC) ((ulint) m_handle + hash_chain->value)); +} + +/*********************************************************************** +Retrieves the address of an exported variable. +Note: It does not follow the Windows call convention FARPROC. */ +static +void* +wdl_get_varaddr_from_map( +/*=====================*/ + /* out: address of exported + variable. */ + HANDLE m_handle, /* in: module handle */ + const char* import_variable) /* in: variable name */ +{ + map_hash_chain_t* hash_chain; + ulint map_fold; + + map_fold = ut_fold_string(import_variable); + HASH_SEARCH( + next, + m_htbl, + map_fold, + map_hash_chain_t*, + hash_chain, + (ut_strcmp(hash_chain->symbol, import_variable) == 0)); + + if (hash_chain == NULL) { + +#ifdef _WIN64 + /* On Win64, the leading '_' may not be taken out. In this + case, search again without the leading '_'. */ + if (*import_variable == '_') { + + import_variable++; + } + + map_fold = ut_fold_string(import_variable); + HASH_SEARCH( + next, + m_htbl, + map_fold, + map_hash_chain_t*, + hash_chain, + (ut_strcmp(hash_chain->symbol, import_variable) == 0)); + + if (hash_chain == NULL) { +#endif + if (wdl_init == TRUE) { + + sql_print_error( + "InnoDB: the variable address of %s" + " is not found.", + import_variable); + } + + return(0); +#ifdef _WIN64 + } +#endif + } + + return((void*) ((ulint) m_handle + hash_chain->value)); +} + +/*********************************************************************** +Bind all unresolved external variables from the MySQL executable. */ +static +bool +wdl_get_external_variables(void) +/*============================*/ + /* out: TRUE if successful */ +{ + HMODULE hmod = wdl_get_mysqld_mapfile(); + + if (hmod == 0) { + + return(FALSE); + } + +#define GET_SYM(sym, var, type) \ + var = (type*) wdl_get_varaddr_from_map(hmod, sym); \ + if (var == NULL) return(FALSE) +#ifdef _WIN64 +#define GET_SYM2(sym1, sym2, var, type) \ + var = (type*) wdl_get_varaddr_from_map(hmod, sym1); \ + if (var == NULL) return(FALSE) +#else +#define GET_SYM2(sym1, sym2, var, type) \ + var = (type*) wdl_get_varaddr_from_map(hmod, sym2); \ + if (var == NULL) return(FALSE) +#endif // (_WIN64) +#define GET_C_SYM(sym, type) GET_SYM(#sym, wdl_##sym, type) +#define GET_PROC_ADDR(sym) \ + wdl##sym = (pfn##sym) wdl_get_procaddr_from_map(hmod, #sym) + + GET_C_SYM(my_charset_bin, CHARSET_INFO); + GET_C_SYM(my_charset_latin1, CHARSET_INFO); + GET_C_SYM(my_charset_filename, CHARSET_INFO); + GET_C_SYM(default_charset_info, CHARSET_INFO*); + GET_C_SYM(all_charsets, CHARSET_INFO*); + GET_C_SYM(my_umask, int); + + GET_SYM("?global_system_variables@@3Usystem_variables@@A", + wdl_global_system_variables, struct system_variables); + GET_SYM("?mysql_real_data_home@@3PADA", + wdl_mysql_real_data_home, char); + GET_SYM("?reg_ext@@3PADA", wdl_reg_ext, char); + GET_SYM("?LOCK_thread_count@@3U_RTL_CRITICAL_SECTION@@A", + wdl_LOCK_thread_count, pthread_mutex_t); + GET_SYM("?key_map_full@@3V?$Bitmap@$0EA@@@A", + wdl_key_map_full, key_map); + GET_SYM("?mysql_tmpdir_list@@3Ust_my_tmpdir@@A", + wdl_mysql_tmpdir_list, MY_TMPDIR); + GET_SYM("?mysqld_embedded@@3_NA", + wdl_mysqld_embedded, bool); + GET_SYM("?lower_case_table_names@@3IA", + wdl_lower_case_table_names, uint); + GET_SYM("?specialflag@@3KA", wdl_specialflag, ulong); + + GET_SYM2("?system_charset_info@@3PEAUcharset_info_st@@EA", + "?system_charset_info@@3PAUcharset_info_st@@A", + wdl_system_charset_info, CHARSET_INFO*); + GET_SYM2("?mysql_data_home@@3PEADEA", + "?mysql_data_home@@3PADA", + wdl_mysql_data_home, char*); + GET_SYM2("?tx_isolation_names@@3PAPEBDA", + "?tx_isolation_names@@3PAPBDA", + wdl_tx_isolation_names, char*); + GET_SYM2("?binlog_format_names@@3PAPEBDA", + "?binlog_format_names@@3PAPBDA", + wdl_binlog_format_names, char*); + + /* It is fine if builtin_innobase_plugin is not available. */ + builtin_innobase_plugin_ptr = (struct st_mysql_plugin*) + wdl_get_varaddr_from_map( + hmod, + "?builtin_innobase_plugin@@3PAUst_mysql_plugin@@A"); + +#ifndef DBUG_OFF + GET_PROC_ADDR(_db_enter_); + GET_PROC_ADDR(_db_return_); + GET_PROC_ADDR(_db_pargs_); + GET_PROC_ADDR(_db_doprnt_); + GET_PROC_ADDR(_db_dump_); + + /* If any of the dbug functions is not available, just make them + all invalid. This is the case when working with a non-debug + version of the server. */ + if (wdl_db_enter_ == NULL || wdl_db_return_ == NULL + || wdl_db_pargs_ == NULL || wdl_db_doprnt_ == NULL + || wdl_db_dump_ == NULL) { + + wdl_db_enter_ = NULL; + wdl_db_return_ = NULL; + wdl_db_pargs_ = NULL; + wdl_db_doprnt_ = NULL; + wdl_db_dump_ = NULL; + } +#endif /* !DBUG_OFF */ + + wdl_init = TRUE; + return(TRUE); + +#undef GET_SYM +#undef GET_SYM2 +#undef GET_C_SYM +#undef GET_PROC_ADDR +} + +/*********************************************************************** +The DLL Delayed Loading Helper Function for resolving externals. + +The function may fail due to one of the three reasons: + +* Invalid parameter, which happens if the attributes in pidd aren't + specified correctly. +* Failed to load the map file mysqld.map. +* Failed to find an external name in the map file mysqld.map. + +Note: this function is called by run-time as well as __HrLoadAllImportsForDll. +So, it has to follow Windows call convention. */ +extern "C" +FARPROC WINAPI +__delayLoadHelper2( +/*===============*/ + /* out: the address of the imported + function*/ + PCImgDelayDescr pidd, /* in: a const pointer to a + ImgDelayDescr, see delayimp.h. */ + FARPROC* iat_entry) /* in/out: A pointer to the slot in + the delay load import address table + to be updated with the address of the + imported function. */ +{ + ulint iIAT, iINT; + HMODULE hmod; + PCImgThunkData pitd; + FARPROC fun = NULL; + + /* Set up data used for the hook procs */ + InternalImgDelayDescr idd = { + pidd->grAttrs, + PFromRva(pidd->rvaDLLName), + PFromRva(pidd->rvaHmod), + PFromRva(pidd->rvaIAT), + PFromRva(pidd->rvaINT), + PFromRva(pidd->rvaBoundIAT), + PFromRva(pidd->rvaUnloadIAT), + pidd->dwTimeStamp + }; + + DelayLoadInfo dli = { + sizeof(DelayLoadInfo), + pidd, + iat_entry, + idd.szName, + {0}, + 0, + 0, + 0 + }; + + /* Check the Delay Load Attributes, log an error of invalid + parameter, which happens if the attributes in pidd are not + specified correctly. */ + if ((idd.grAttrs & dlattrRva) == 0) { + + sql_print_error("InnoDB: invalid parameter for delay loader."); + return(0); + } + + hmod = *idd.phmod; + + /* Calculate the index for the IAT entry in the import address table. + The INT entries are ordered the same as the IAT entries so the + calculation can be done on the IAT side. */ + iIAT = (PCImgThunkData) iat_entry - idd.pIAT; + iINT = iIAT; + + pitd = &(idd.pINT[iINT]); + + dli.dlp.fImportByName = !IMAGE_SNAP_BY_ORDINAL(pitd->u1.Ordinal); + + if (dli.dlp.fImportByName) { + + dli.dlp.szProcName = (LPCSTR) (PFromRva + ((RVA) ((UINT_PTR) pitd->u1.AddressOfData))->Name); + } else { + + dli.dlp.dwOrdinal = (ulint) IMAGE_ORDINAL(pitd->u1.Ordinal); + } + + /* Now, load the mapfile, if it has not been done yet */ + if (hmod == 0) { + + hmod = wdl_get_mysqld_mapfile(); + } + + if (hmod == 0) { + /* LoadLibrary failed. */ + PDelayLoadInfo rgpdli[1] = {&dli}; + + dli.dwLastError = ::GetLastError(); + + sql_print_error( + "InnoDB: failed to load mysqld.map with error %d.", + dli.dwLastError); + + return(0); + } + + /* Store the library handle. */ + idd.phmod = &hmod; + + /* Go for the procedure now. */ + dli.hmodCur = hmod; + + if (pidd->rvaBoundIAT && pidd->dwTimeStamp) { + + /* Bound imports exist, check the timestamp from the target + image */ + PIMAGE_NT_HEADERS pinh; + + pinh = (PIMAGE_NT_HEADERS) ((byte*) hmod + + ((PIMAGE_DOS_HEADER) hmod)->e_lfanew); + + if (pinh->Signature == IMAGE_NT_SIGNATURE + && pinh->FileHeader.TimeDateStamp == idd.dwTimeStamp + && (DWORD) hmod == pinh->OptionalHeader.ImageBase) { + + /* We have a decent address in the bound IAT. */ + fun = (FARPROC) (UINT_PTR) + idd.pBoundIAT[iIAT].u1.Function; + + if (fun) { + + *iat_entry = fun; + return(fun); + } + } + } + + fun = wdl_get_procaddr_from_map(hmod, dli.dlp.szProcName); + + if (fun == 0) { + + return(0); + } + + *iat_entry = fun; + return(fun); +} + +/*********************************************************************** +Unload a DLL that was delay loaded. This function is called by run-time. */ +extern "C" +BOOL WINAPI +__FUnloadDelayLoadedDLL2( +/*=====================*/ + /* out: TRUE is returned if the DLL is found + and the IAT matches the original one. */ + LPCSTR module_name) /* in: DLL name */ +{ + return(TRUE); +} + +/****************************************************************** +Load all imports from a DLL that was specified with the /delayload linker +option. +Note: this function is called by run-time. So, it has to follow Windows call +convention. */ +extern "C" +HRESULT WINAPI +__HrLoadAllImportsForDll( +/*=====================*/ + /* out: S_OK if the DLL matches, otherwise + ERROR_MOD_NOT_FOUND is returned. */ + LPCSTR module_name) /* in: DLL name */ +{ + PIMAGE_NT_HEADERS img; + PCImgDelayDescr pidd; + IMAGE_DATA_DIRECTORY* image_data; + LPCSTR current_module; + HRESULT ret = ERROR_MOD_NOT_FOUND; + HMODULE hmod = (HMODULE) &__ImageBase; + + img = (PIMAGE_NT_HEADERS) ((byte*) hmod + + ((PIMAGE_DOS_HEADER) hmod)->e_lfanew); + image_data = + &img->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT]; + + /* Scan the delay load IAT/INT for the DLL */ + if (image_data->Size) { + + pidd = PFromRva(image_data->VirtualAddress); + + /* Check all of the listed DLLs we want to load. */ + while (pidd->rvaDLLName) { + + current_module = PFromRva(pidd->rvaDLLName); + + if (stricmp(module_name, current_module) == 0) { + + /* Found it, break out with pidd and + current_module set appropriately */ + break; + } + + /* To the next delay import descriptor */ + pidd++; + } + + if (pidd->rvaDLLName) { + + /* Found a matching DLL, now process it. */ + FARPROC* iat_entry; + size_t count; + + iat_entry = PFromRva(pidd->rvaIAT); + count = wdl_import_count((PCImgThunkData) iat_entry); + + /* now load all the imports from the DLL */ + while (count > 0) { + + /* No need to check the return value */ + __delayLoadHelper2(pidd, iat_entry); + iat_entry++; + count--; + } + + ret = S_OK; + } + } + + return ret; +} + +/****************************************************************** +The main function of a DLL */ +BOOL +WINAPI +DllMain( +/*====*/ + /* out: TRUE if the call succeeds */ + HINSTANCE hinstDLL, /* in: handle to the DLL module */ + DWORD fdwReason, /* Reason code that indicates why the + DLL entry-point function is being + called.*/ + LPVOID lpvReserved) /* in: additional parameter based on + fdwReason */ +{ + BOOL success = TRUE; + + switch (fdwReason) { + + case DLL_PROCESS_ATTACH: + success = wdl_get_external_variables(); + break; + + case DLL_PROCESS_DETACH: + wdl_cleanup(); + break; + } + + return(success); +} + +#ifndef DBUG_OFF +/****************************************************************** +Process entry point to user function. It makes the call to _db_enter_ +in mysqld.exe. The DBUG functions are defined in my_dbug.h. */ +extern "C" UNIV_INTERN +void +_db_enter_( + const char* _func_, /* in: current function name */ + const char* _file_, /* in: current file name */ + uint _line_, /* in: current source line number */ + const char** _sfunc_, /* out: previous _func_ */ + const char** _sfile_, /* out: previous _file_ */ + uint* _slevel_, /* out: previous nesting level */ + char*** _sframep_) /* out: previous frame pointer */ +{ + if (wdl_db_enter_ != NULL) { + + wdl_db_enter_(_func_, _file_, _line_, _sfunc_, _sfile_, + _slevel_, _sframep_); + } +} + +/****************************************************************** +Process exit from user function. It makes the call to _db_return_() +in the server. */ +extern "C" UNIV_INTERN +void +_db_return_( + uint _line_, /* in: current source line number */ + const char** _sfunc_, /* out: previous _func_ */ + const char** _sfile_, /* out: previous _file_ */ + uint* _slevel_) /* out: previous level */ +{ + if (wdl_db_return_ != NULL) { + + wdl_db_return_(_line_, _sfunc_, _sfile_, _slevel_); + } +} + +/****************************************************************** +Log arguments for subsequent use. It makes the call to _db_pargs_() +in the server. */ +extern "C" UNIV_INTERN +void +_db_pargs_( + uint _line_, /* in: current source line number */ + const char* keyword) /* in: keyword for current macro */ +{ + if (wdl_db_pargs_ != NULL) { + + wdl_db_pargs_(_line_, keyword); + } +} + +/****************************************************************** +Handle print of debug lines. It saves the text into a buffer first, +then makes the call to _db_doprnt_() in the server. The text is +truncated to the size of buffer. */ +extern "C" UNIV_INTERN +void +_db_doprnt_( + const char* format, /* in: the format string */ + ...) /* in: list of arguments */ +{ + va_list argp; + char buffer[512]; + + if (wdl_db_doprnt_ != NULL) { + + va_start(argp, format); + /* it is ok to ignore the trunction. */ + _vsnprintf(buffer, sizeof(buffer), format, argp); + wdl_db_doprnt_(buffer); + va_end(argp); + } +} + +/****************************************************************** +Dump a string in hex. It makes the call to _db_dump_() in the server. */ +extern "C" UNIV_INTERN +void +_db_dump_( + uint _line_, /* in: current source line + number */ + const char* keyword, /* in: keyword list */ + const unsigned char* memory, /* in: memory to dump */ + size_t length) /* in: bytes to dump */ +{ + if (wdl_db_dump_ != NULL) { + + wdl_db_dump_(_line_, keyword, memory, length); + } +} + +#endif /* !DBUG_OFF */ +#endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ diff --git a/include/data0type.ic b/include/data0type.ic index 55036d4faf5..965b1c39373 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -567,5 +567,5 @@ dtype_get_sql_null_size( const dtype_t* type) /* in: type */ { return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, - type->mbminlen, type->mbmaxlen) > 0); + type->mbminlen, type->mbmaxlen)); } diff --git a/include/dict0dict.h b/include/dict0dict.h index 31482f92cd3..bb9f257583c 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -299,17 +299,6 @@ dict_table_replace_index_in_foreign_list( /*=====================================*/ dict_table_t* table, /* in/out: table */ dict_index_t* index); /* in: index to be replaced */ -/************************************************************************** -Determines whether a string starts with the specified keyword. */ -UNIV_INTERN -ibool -dict_str_starts_with_keyword( -/*=========================*/ - /* out: TRUE if str starts - with keyword */ - void* mysql_thd, /* in: MySQL thread handle */ - const char* str, /* in: string to scan for keyword */ - const char* keyword); /* in: keyword to look for */ /************************************************************************* Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key diff --git a/include/dict0mem.h b/include/dict0mem.h index 6c4c7c768ae..bfa0636aee5 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -24,6 +24,7 @@ Created 1/8/1996 Heikki Tuuri #include "lock0types.h" #include "hash0hash.h" #include "que0types.h" +#include "trx0types.h" /* Type flags of an index: OR'ing of the flags is allowed to define a combination of types */ @@ -381,13 +382,6 @@ struct dict_table_struct{ on the table: we cannot drop the table while there are foreign key checks running on it! */ - lock_t* auto_inc_lock;/* a buffer for an auto-inc lock - for this table: we allocate the memory here - so that individual transactions can get it - and release it without a need to allocate - space from the lock heap of the trx: - otherwise the lock heap would grow rapidly - if we do a large insert from a select */ dulint query_cache_inv_trx_id; /* transactions whose trx id < than this number are not allowed to store to the MySQL @@ -438,12 +432,33 @@ struct dict_table_struct{ any latch, because this is only used for heuristics */ /*----------------------*/ + /* The following fields are used by the + AUTOINC code. The actual collection of + tables locked during AUTOINC read/write is + kept in trx_t. In order to quickly determine + whether a transaction has locked the AUTOINC + lock we keep a pointer to the transaction + here in the autoinc_trx variable. This is to + avoid acquiring the kernel mutex and scanning + the vector in trx_t. + + When an AUTOINC lock has to wait, the + corresponding lock instance is created on + the trx lock heap rather than use the + pre-allocated instance in autoinc_lock below.*/ + lock_t* autoinc_lock; + /* a buffer for an AUTOINC lock + for this table: we allocate the memory here + so that individual transactions can get it + and release it without a need to allocate + space from the lock heap of the trx: + otherwise the lock heap would grow rapidly + if we do a large insert from a select */ mutex_t autoinc_mutex; /* mutex protecting the autoincrement counter */ ib_uint64_t autoinc;/* autoinc counter value to give to the next inserted row */ - /*----------------------*/ ulong n_waiting_or_granted_auto_inc_locks; /* This counter is used to track the number of granted and pending autoinc locks on this @@ -453,6 +468,9 @@ struct dict_table_struct{ acquired the AUTOINC lock or not. Of course only one transaction can be granted the lock but there can be multiple waiters. */ + const trx_t* autoinc_trx; + /* The transaction that currently holds the + the AUTOINC lock on this table. */ /*----------------------*/ #ifdef UNIV_DEBUG diff --git a/include/lock0lock.h b/include/lock0lock.h index 27c21ccd9cc..1c9ee9c5442 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -18,6 +18,7 @@ Created 5/7/1996 Heikki Tuuri #include "lock0types.h" #include "read0types.h" #include "hash0hash.h" +#include "ut0vec.h" #ifdef UNIV_DEBUG extern ibool lock_print_waits; @@ -490,14 +491,6 @@ lock_table_unlock( /*==============*/ lock_t* lock); /* in: lock */ /************************************************************************* -Releases an auto-inc lock a transaction possibly has on a table. -Releases possible other transactions waiting for this lock. */ -UNIV_INTERN -void -lock_table_unlock_auto_inc( -/*=======================*/ - trx_t* trx); /* in: transaction */ -/************************************************************************* Releases transaction locks, and releases possible other transactions waiting because of these locks. */ UNIV_INTERN @@ -653,6 +646,13 @@ ulint lock_number_of_rows_locked( /*=======================*/ trx_t* trx); /* in: transaction */ +/*********************************************************************** +Release all the transaction's autoinc locks. */ +UNIV_INTERN +void +lock_release_autoinc_locks( +/*=======================*/ + trx_t* trx); /* in/out: transaction */ /*********************************************************************** Gets the type of a lock. Non-inline version for using outside of the diff --git a/include/mysql_addons.h b/include/mysql_addons.h index 6d4bad0aebf..3c2933742c8 100644 --- a/include/mysql_addons.h +++ b/include/mysql_addons.h @@ -15,6 +15,9 @@ here. In a perfect world this file exists but is empty. Created November 07, 2007 Vasil Dimov *******************************************************/ +#include /* for my_bool */ +#include /* for MYSQL_THD */ + #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ @@ -32,3 +35,13 @@ ib_thd_get_thread_id( #ifdef __cplusplus } #endif /* __cplusplus */ + +/* http://bugs.mysql.com/40360 */ +/* http://lists.mysql.com/commits/57450 */ +/** + See if the binary log is engaged for a thread, i.e., open and + LOG_BIN is set. + + @return @c true if the binlog is active, @c false otherwise. +*/ +my_bool ib_bin_log_is_engaged(const MYSQL_THD thd); diff --git a/include/row0mysql.h b/include/row0mysql.h index 579414715fe..696adfc8cbf 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -163,12 +163,12 @@ row_update_prebuilt_trx( handle */ trx_t* trx); /* in: transaction handle */ /************************************************************************* -Unlocks an AUTO_INC type lock possibly reserved by trx. */ +Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /* in/out: transaction */ /************************************************************************* Sets an AUTO_INC type lock on the table mentioned in prebuilt. The AUTO_INC lock gives exclusive access to the auto-inc counter of the diff --git a/include/srv0srv.h b/include/srv0srv.h index 4561b6d2f17..52be5357bbd 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -132,8 +132,6 @@ extern ulint srv_fast_shutdown; /* If this is 1, do not do a transactions). */ extern ibool srv_innodb_status; -extern ibool srv_stats_on_metadata; - extern unsigned long long srv_stats_sample_pages; extern ibool srv_use_doublewrite_buf; diff --git a/include/trx0trx.h b/include/trx0trx.h index e625f958a9c..f1bdd9cc979 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -18,6 +18,7 @@ Created 3/26/1996 Heikki Tuuri #include "read0types.h" #include "dict0types.h" #include "trx0xa.h" +#include "ut0vec.h" /* Dummy session used currently in MySQL interface */ extern sess_t* trx_dummy_sess; @@ -601,9 +602,6 @@ struct trx_struct{ to srv_conc_innodb_enter, if the value here is > 0, we decrement this by 1 */ /*------------------------------*/ - lock_t* auto_inc_lock; /* possible auto-inc lock reserved by - the transaction; note that it is also - in the lock list trx_locks */ dict_index_t* new_rec_locks[2];/* these are normally NULL; if srv_locks_unsafe_for_binlog is TRUE or session is using READ COMMITTED @@ -735,9 +733,15 @@ struct trx_struct{ trx_undo_arr_t* undo_no_arr; /* array of undo numbers of undo log records which are currently processed by a rollback operation */ + /*------------------------------*/ ulint n_autoinc_rows; /* no. of AUTO-INC rows required for an SQL statement. This is useful for multi-row INSERTs */ + ib_vector_t* autoinc_locks; /* AUTOINC locks held by this + transaction. Note that these are + also in the lock list trx_locks. This + vector needs to be freed explicitly + when the trx_t instance is desrtoyed */ /*------------------------------*/ char detailed_error[256]; /* detailed error message for last error, or empty. */ diff --git a/include/univ.i b/include/univ.i index 0c67dc7632d..356b0f36a61 100644 --- a/include/univ.i +++ b/include/univ.i @@ -11,7 +11,7 @@ Created 1/20/1994 Heikki Tuuri #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 -#define INNODB_VERSION_BUGFIX 1 +#define INNODB_VERSION_BUGFIX 2 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; diff --git a/include/ut0rnd.ic b/include/ut0rnd.ic index d9fb34a1e13..1f82989d64e 100644 --- a/include/ut0rnd.ic +++ b/include/ut0rnd.ic @@ -175,20 +175,11 @@ ut_fold_string( /* out: folded value */ const char* str) /* in: null-terminated string */ { -#ifdef UNIV_DEBUG - ulint i = 0; -#endif ulint fold = 0; ut_ad(str); while (*str != '\0') { - -#ifdef UNIV_DEBUG - i++; - ut_a(i < 100); -#endif - fold = ut_fold_ulint_pair(fold, (ulint)(*str)); str++; } diff --git a/include/ut0vec.h b/include/ut0vec.h index 6a52c94a327..60b2b3bbc0e 100644 --- a/include/ut0vec.h +++ b/include/ut0vec.h @@ -46,7 +46,16 @@ ulint ib_vector_size( /*===========*/ /* out: number of elements in vector */ - ib_vector_t* vec); /* in: vector */ + const ib_vector_t* vec); /* in: vector */ + +/******************************************************************** +Test whether a vector is empty or not. */ +UNIV_INLINE +ibool +ib_vector_is_empty( +/*===============*/ + /* out: TRUE if empty */ + const ib_vector_t* vec); /* in: vector */ /******************************************************************** Get the n'th element. */ @@ -58,6 +67,23 @@ ib_vector_get( ib_vector_t* vec, /* in: vector */ ulint n); /* in: element index to get */ +/******************************************************************** +Remove the last element from the vector. */ +UNIV_INLINE +void* +ib_vector_pop( +/*==========*/ + ib_vector_t* vec); /* in: vector */ + +/******************************************************************** +Free the underlying heap of the vector. Note that vec is invalid +after this call. */ +UNIV_INLINE +void +ib_vector_free( +/*===========*/ + ib_vector_t* vec); /* in,own: vector */ + /* See comment at beginning of file. */ struct ib_vector_struct { mem_heap_t* heap; /* heap */ diff --git a/include/ut0vec.ic b/include/ut0vec.ic index 417a17d951f..f89b7826776 100644 --- a/include/ut0vec.ic +++ b/include/ut0vec.ic @@ -5,7 +5,7 @@ ulint ib_vector_size( /*===========*/ /* out: number of elements in vector */ - ib_vector_t* vec) /* in: vector */ + const ib_vector_t* vec) /* in: vector */ { return(vec->used); } @@ -24,3 +24,47 @@ ib_vector_get( return(vec->data[n]); } + +/******************************************************************** +Remove the last element from the vector. */ +UNIV_INLINE +void* +ib_vector_pop( +/*==========*/ + /* out: last vector element */ + ib_vector_t* vec) /* in/out: vector */ +{ + void* elem; + + ut_a(vec->used > 0); + --vec->used; + elem = vec->data[vec->used]; + + ut_d(vec->data[vec->used] = NULL); + UNIV_MEM_INVALID(&vec->data[vec->used], sizeof(*vec->data)); + + return(elem); +} + +/******************************************************************** +Free the underlying heap of the vector. Note that vec is invalid +after this call. */ +UNIV_INLINE +void +ib_vector_free( +/*===========*/ + ib_vector_t* vec) /* in, own: vector */ +{ + mem_heap_free(vec->heap); +} + +/******************************************************************** +Test whether a vector is empty or not. */ +UNIV_INLINE +ibool +ib_vector_is_empty( +/*===============*/ /* out: TRUE if empty else FALSE */ + const ib_vector_t* vec) /* in vector to test */ +{ + return(ib_vector_size(vec) == 0); +} diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 9a307d9b7b4..26700635f93 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -2166,24 +2166,25 @@ static void lock_grant( /*=======*/ - lock_t* lock) /* in: waiting lock request */ + lock_t* lock) /* in/out: waiting lock request */ { ut_ad(mutex_own(&kernel_mutex)); lock_reset_lock_and_trx_wait(lock); if (lock_get_mode(lock) == LOCK_AUTO_INC) { + trx_t* trx = lock->trx; + dict_table_t* table = lock->un_member.tab_lock.table; - if (lock->trx->auto_inc_lock != NULL) { + if (table->autoinc_trx == trx) { fprintf(stderr, "InnoDB: Error: trx already had" " an AUTO-INC lock!\n"); + } else { + table->autoinc_trx = trx; + + ib_vector_push(trx->autoinc_locks, lock); } - - /* Store pointer to lock to trx so that we know to - release it at the end of the SQL statement */ - - lock->trx->auto_inc_lock = lock; } #ifdef UNIV_DEBUG @@ -3531,15 +3532,16 @@ lock_table_create( ++table->n_waiting_or_granted_auto_inc_locks; } + /* For AUTOINC locking we reuse the lock instance only if + there is no wait involved else we allocate the waiting lock + from the transaction lock heap. */ if (type_mode == LOCK_AUTO_INC) { - /* Only one trx can have the lock on the table - at a time: we may use the memory preallocated - to the table object */ - lock = table->auto_inc_lock; + lock = table->autoinc_lock; - ut_a(trx->auto_inc_lock == NULL); - trx->auto_inc_lock = lock; + table->autoinc_trx = trx; + + ib_vector_push(trx->autoinc_locks, lock); } else { lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t)); } @@ -3571,16 +3573,39 @@ lock_table_remove_low( /*==================*/ lock_t* lock) /* in: table lock */ { - dict_table_t* table; trx_t* trx; + dict_table_t* table; ut_ad(mutex_own(&kernel_mutex)); - table = lock->un_member.tab_lock.table; trx = lock->trx; + table = lock->un_member.tab_lock.table; - if (lock == trx->auto_inc_lock) { - trx->auto_inc_lock = NULL; + /* Remove the table from the transaction's AUTOINC vector, if + the lock that is being release is an AUTOINC lock. */ + if (lock_get_mode(lock) == LOCK_AUTO_INC) { + + /* The table's AUTOINC lock can get transferred to + another transaction before we get here. */ + if (table->autoinc_trx == trx) { + table->autoinc_trx = NULL; + } + + /* The locks must be freed in the reverse order from + the one in which they were acquired. This is to avoid + traversing the AUTOINC lock vector unnecessarily. + + We only store locks that were granted in the + trx->autoinc_locks vector (see lock_table_create() + and lock_grant()). Therefore it can be empty and we + need to check for that. */ + + if (!ib_vector_is_empty(trx->autoinc_locks)) { + lock_t* autoinc_lock; + + autoinc_lock = ib_vector_pop(trx->autoinc_locks); + ut_a(autoinc_lock == lock); + } ut_a(table->n_waiting_or_granted_auto_inc_locks > 0); --table->n_waiting_or_granted_auto_inc_locks; @@ -3955,24 +3980,6 @@ lock_table_unlock( mutex_exit(&kernel_mutex); } -/************************************************************************* -Releases an auto-inc lock a transaction possibly has on a table. -Releases possible other transactions waiting for this lock. */ -UNIV_INTERN -void -lock_table_unlock_auto_inc( -/*=======================*/ - trx_t* trx) /* in: transaction */ -{ - if (trx->auto_inc_lock) { - mutex_enter(&kernel_mutex); - - lock_table_dequeue(trx->auto_inc_lock); - - mutex_exit(&kernel_mutex); - } -} - /************************************************************************* Releases transaction locks, and releases possible other transactions waiting because of these locks. */ @@ -4032,9 +4039,9 @@ lock_release_off_kernel( lock = UT_LIST_GET_LAST(trx->trx_locks); } - mem_heap_empty(trx->lock_heap); + ut_a(ib_vector_size(trx->autoinc_locks) == 0); - ut_a(trx->auto_inc_lock == NULL); + mem_heap_empty(trx->lock_heap); } /************************************************************************* @@ -4054,6 +4061,11 @@ lock_cancel_waiting_and_release( } else { ut_ad(lock_get_type_low(lock) & LOCK_TABLE); + if (lock->trx->autoinc_locks != NULL) { + /* Release the transaction's AUTOINC locks/ */ + lock_release_autoinc_locks(lock->trx); + } + lock_table_dequeue(lock); } @@ -5386,6 +5398,60 @@ lock_clust_rec_read_check_and_lock_alt( return(ret); } +/*********************************************************************** +Release the last lock from the transaction's autoinc locks. */ +UNIV_INLINE +void +lock_release_autoinc_last_lock( +/*===========================*/ + ib_vector_t* autoinc_locks) /* in/out: vector of AUTOINC locks */ +{ + ulint last; + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_a(!ib_vector_is_empty(autoinc_locks)); + + /* The lock to be release must be the last lock acquired. */ + last = ib_vector_size(autoinc_locks) - 1; + lock = ib_vector_get(autoinc_locks, last); + + /* Should have only AUTOINC locks in the vector. */ + ut_a(lock_get_mode(lock) == LOCK_AUTO_INC); + ut_a(lock_get_type(lock) == LOCK_TABLE); + + ut_a(lock->un_member.tab_lock.table != NULL); + + /* This will remove the lock from the trx autoinc_locks too. */ + lock_table_dequeue(lock); +} + +/*********************************************************************** +Release all the transaction's autoinc locks. */ +UNIV_INTERN +void +lock_release_autoinc_locks( +/*=======================*/ + trx_t* trx) /* in/out: transaction */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + ut_a(trx->autoinc_locks != NULL); + + /* We release the locks in the reverse order. This is to + avoid searching the vector for the element to delete at + the lower level. See (lock_table_remove_low()) for details. */ + while (!ib_vector_is_empty(trx->autoinc_locks)) { + + /* lock_table_remove_low() will also remove the lock from + the transaction's autoinc_locks vector. */ + lock_release_autoinc_last_lock(trx->autoinc_locks); + } + + /* Should release all locks. */ + ut_a(ib_vector_is_empty(trx->autoinc_locks)); +} + /*********************************************************************** Gets the type of a lock. Non-inline version for using outside of the lock module. */ diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 21e15705b33..a476d16a5f0 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -69,8 +69,6 @@ t1 CREATE TABLE `t1` ( explain select * from t1 force index(c) order by c; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL c 10 NULL 4 -drop index c on t1; -ERROR 42000: This table type requires a primary key alter table t1 add primary key (a), drop index c; show create table t1; Table Create Table diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 07f709eee38..0ca02f0538a 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -30,8 +30,6 @@ drop table `t1#2`; alter table t1 add unique index (c), add index (d); show create table t1; explain select * from t1 force index(c) order by c; ---error ER_REQUIRES_PRIMARY_KEY -drop index c on t1; alter table t1 add primary key (a), drop index c; show create table t1; --error ER_MULTIPLE_PRI_KEY diff --git a/mysql-test/innodb_bug40360.result b/mysql-test/innodb_bug40360.result new file mode 100644 index 00000000000..ef4cf463903 --- /dev/null +++ b/mysql-test/innodb_bug40360.result @@ -0,0 +1,4 @@ +SET TX_ISOLATION='READ-COMMITTED'; +CREATE TABLE bug40360 (a INT) engine=innodb; +INSERT INTO bug40360 VALUES (1); +DROP TABLE bug40360; diff --git a/mysql-test/innodb_bug40360.test b/mysql-test/innodb_bug40360.test new file mode 100644 index 00000000000..e88837aab4f --- /dev/null +++ b/mysql-test/innodb_bug40360.test @@ -0,0 +1,16 @@ +# +# Make sure http://bugs.mysql.com/40360 remains fixed. +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +SET TX_ISOLATION='READ-COMMITTED'; + +# This is the default since MySQL 5.1.29 SET BINLOG_FORMAT='STATEMENT'; + +CREATE TABLE bug40360 (a INT) engine=innodb; + +INSERT INTO bug40360 VALUES (1); + +DROP TABLE bug40360; diff --git a/mysql-test/patches/innodb-index.diff b/mysql-test/patches/innodb-index.diff index 6cc8a989499..0b008c96f25 100644 --- a/mysql-test/patches/innodb-index.diff +++ b/mysql-test/patches/innodb-index.diff @@ -11,7 +11,7 @@ in the MySQL source repository. Index: storage/innobase/mysql-test/innodb-index.result =================================================================== ---- storage/innobase/mysql-test/innodb-index.result (revision 2229) +--- storage/innobase/mysql-test/innodb-index.result (revision 2870) +++ storage/innobase/mysql-test/innodb-index.result (working copy) @@ -43,19 +43,12 @@ t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, @@ -35,7 +35,7 @@ Index: storage/innobase/mysql-test/innodb-index.result `b` int(11) DEFAULT NULL, Index: storage/innobase/mysql-test/innodb-index.test =================================================================== ---- storage/innobase/mysql-test/innodb-index.test (revision 2229) +--- storage/innobase/mysql-test/innodb-index.test (revision 2870) +++ storage/innobase/mysql-test/innodb-index.test (working copy) @@ -14,22 +14,12 @@ select * from t1 force index (d2) order --error ER_DUP_ENTRY @@ -57,6 +57,6 @@ Index: storage/innobase/mysql-test/innodb-index.test alter table t1 add unique index (c), add index (d); show create table t1; explain select * from t1 force index(c) order by c; - --error ER_REQUIRES_PRIMARY_KEY - drop index c on t1; alter table t1 add primary key (a), drop index c; + show create table t1; + --error ER_MULTIPLE_PRI_KEY diff --git a/row/row0mysql.c b/row/row0mysql.c index ef2d45a37d5..7db55634cfb 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -852,19 +852,18 @@ row_update_statistics_if_needed( } /************************************************************************* -Unlocks an AUTO_INC type lock possibly reserved by trx. */ +Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /* in/out: transaction */ { - if (!trx->auto_inc_lock) { + mutex_enter(&kernel_mutex); - return; - } + lock_release_autoinc_locks(trx); - lock_table_unlock_auto_inc(trx); + mutex_exit(&kernel_mutex); } /************************************************************************* @@ -881,16 +880,20 @@ row_lock_table_autoinc_for_mysql( row_prebuilt_t* prebuilt) /* in: prebuilt struct in the MySQL table handle */ { - trx_t* trx = prebuilt->trx; - ins_node_t* node = prebuilt->ins_node; - que_thr_t* thr; - ulint err; - ibool was_lock_wait; + trx_t* trx = prebuilt->trx; + ins_node_t* node = prebuilt->ins_node; + const dict_table_t* table = prebuilt->table; + que_thr_t* thr; + ulint err; + ibool was_lock_wait; ut_ad(trx); ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - if (trx->auto_inc_lock) { + /* If we already hold an AUTOINC lock on the table then do nothing. + Note: We peek at the value of the current owner without acquiring + the kernel mutex. **/ + if (trx == table->autoinc_trx) { return(DB_SUCCESS); } diff --git a/scripts/install_innodb_plugins_win.sql b/scripts/install_innodb_plugins_win.sql new file mode 100644 index 00000000000..8c94b4e240d --- /dev/null +++ b/scripts/install_innodb_plugins_win.sql @@ -0,0 +1,9 @@ +-- execute these to install InnoDB if it is built as a dynamic plugin +INSTALL PLUGIN innodb SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.dll'; diff --git a/srv/srv0srv.c b/srv/srv0srv.c index a621959d1fc..1138d1c4490 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -299,8 +299,6 @@ UNIV_INTERN ulint srv_fast_shutdown = 0; /* Generate a innodb_status. file */ UNIV_INTERN ibool srv_innodb_status = FALSE; -UNIV_INTERN ibool srv_stats_on_metadata = TRUE; - /* When estimating number of different key values in an index, sample this many index pages */ UNIV_INTERN unsigned long long srv_stats_sample_pages = 8; diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 82e41a37f05..108108d7128 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -169,8 +169,6 @@ trx_create( trx->declared_to_be_inside_innodb = FALSE; trx->n_tickets_to_enter_innodb = 0; - trx->auto_inc_lock = NULL; - trx->global_read_view_heap = mem_heap_create(256); trx->global_read_view = NULL; trx->read_view = NULL; @@ -181,6 +179,10 @@ trx_create( trx->n_autoinc_rows = 0; + /* Remember to free the vector explicitly. */ + trx->autoinc_locks = ib_vector_create( + mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); + trx_reset_new_rec_lock_info(trx); return(trx); @@ -305,7 +307,6 @@ trx_free( ut_a(UT_LIST_GET_LEN(trx->wait_thrs) == 0); ut_a(!trx->has_search_latch); - ut_a(!trx->auto_inc_lock); ut_a(trx->dict_operation_lock_mode == 0); @@ -323,6 +324,10 @@ trx_free( ut_a(trx->read_view == NULL); + ut_a(ib_vector_is_empty(trx->autoinc_locks)); + /* We allocated a dedicated heap for the vector. */ + ib_vector_free(trx->autoinc_locks); + mem_free(trx); } diff --git a/win-plugin/README b/win-plugin/README new file mode 100644 index 00000000000..9182f2c555c --- /dev/null +++ b/win-plugin/README @@ -0,0 +1,25 @@ +This directory contains patches that need to be applied to the MySQL +source tree in order to build the dynamic plugin on Windows -- +HA_INNODB.DLL. Please note the followings when adding the patches: + +* The patch must be applied from the mysql top-level source directory. + patch -p0 < win-plugin.diff +* The patch filenames end in ".diff". +* All patches here are expected to apply cleanly to the latest MySQL 5.1 + tree when storage/innobase is replaced with this InnoDB branch. + +When applying the patch, the following files will be modified: + + * CMakeLists.txt + * sql/CMakeLists.txt + * win/configure.js + * win/build-vs71.bat + * win/build-vs8.bat + * win/build-vs8_x64.bat + +Also, two new files will be added: + + * sql/mysqld.def + * sql/mysqld_x64.def + +You can get "patch" utility for Windows from http://unxutils.sourceforge.net/ diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff new file mode 100644 index 00000000000..760b184a8fe --- /dev/null +++ b/win-plugin/win-plugin.diff @@ -0,0 +1,310 @@ +diff -Nur CMakeLists.txt.orig CMakeLists.txt +--- CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 ++++ CMakeLists.txt 2008-09-26 17:32:51 -05:00 +@@ -97,6 +97,10 @@ + IF(CYBOZU) + ADD_DEFINITIONS(-DCYBOZU) + ENDIF(CYBOZU) ++# Checks for 32-bit version. And always use 32-bit time_t for compatibility ++IF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 4) ++ ADD_DEFINITIONS(-D_USE_32BIT_TIME_T) ++ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 4) + + # in some places we use DBUG_OFF + SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DDBUG_OFF") +@@ -246,9 +250,9 @@ + IF(WITH_FEDERATED_STORAGE_ENGINE) + ADD_SUBDIRECTORY(storage/federated) + ENDIF(WITH_FEDERATED_STORAGE_ENGINE) +-IF(WITH_INNOBASE_STORAGE_ENGINE) ++IF(WITH_INNOBASE_STORAGE_ENGINE OR INNODB_DYNAMIC_PLUGIN) + ADD_SUBDIRECTORY(storage/innobase) +-ENDIF(WITH_INNOBASE_STORAGE_ENGINE) ++ENDIF(WITH_INNOBASE_STORAGE_ENGINE OR INNODB_DYNAMIC_PLUGIN) + ADD_SUBDIRECTORY(sql) + ADD_SUBDIRECTORY(server-tools/instance-manager) + ADD_SUBDIRECTORY(libmysql) + +diff -Nur sql/CMakeLists.txt.orig sql/CMakeLists.txt +--- sql/CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 ++++ sql/CMakeLists.txt 2008-09-24 03:58:19 -05:00 +@@ -100,6 +100,15 @@ + LINK_FLAGS "/PDB:${CMAKE_CFG_INTDIR}/mysqld${MYSQLD_EXE_SUFFIX}.pdb") + ENDIF(cmake_version EQUAL 20406) + ++# Checks for 64-bit version ++IF(CMAKE_SIZEOF_VOID_P MATCHES 8) ++SET_TARGET_PROPERTIES(mysqld PROPERTIES ++ LINK_FLAGS "/def:\"${PROJECT_SOURCE_DIR}/sql/mysqld_x64.def\"") ++ELSE(CMAKE_SIZEOF_VOID_P MATCHES 8) ++SET_TARGET_PROPERTIES(mysqld PROPERTIES ++ LINK_FLAGS "/def:\"${PROJECT_SOURCE_DIR}/sql/mysqld.def\"") ++ENDIF(CMAKE_SIZEOF_VOID_P MATCHES 8) ++ + IF(EMBED_MANIFESTS) + MYSQL_EMBED_MANIFEST("mysqld" "asInvoker") + ENDIF(EMBED_MANIFESTS) + +diff -Nur sql/mysqld.def.orig sql/mysqld.def +--- sql/mysqld.def.orig 1969-12-31 18:00:00 -06:00 ++++ sql/mysqld.def 2008-10-31 02:20:32 -05:00 +@@ -0,0 +1,99 @@ ++EXPORTS ++ ?use_hidden_primary_key@handler@@UAEXXZ ++ ?get_dynamic_partition_info@handler@@UAEXPAUPARTITION_INFO@@I@Z ++ ?read_first_row@handler@@UAEHPAEI@Z ++ ?read_range_next@handler@@UAEHXZ ++ ?read_range_first@handler@@UAEHPBUst_key_range@@0_N1@Z ++ ?read_multi_range_first@handler@@UAEHPAPAUst_key_multi_range@@PAU2@I_NPAUst_handler_buffer@@@Z ++ ?read_multi_range_next@handler@@UAEHPAPAUst_key_multi_range@@@Z ++ ?index_read_idx_map@handler@@UAEHPAEIPBEKW4ha_rkey_function@@@Z ++ ?print_error@handler@@UAEXHH@Z ++ ?clone@handler@@UAEPAV1@PAUst_mem_root@@@Z ++ ?get_auto_increment@handler@@UAEX_K00PA_K1@Z ++ ?index_next_same@handler@@UAEHPAEPBEI@Z ++ ?get_error_message@handler@@UAE_NHPAVString@@@Z ++ ?ha_thd@handler@@IBEPAVTHD@@XZ ++ ?update_auto_increment@handler@@QAEHXZ ++ ?ha_statistic_increment@handler@@IBEXPQsystem_status_var@@K@Z ++ ?trans_register_ha@@YAXPAVTHD@@_NPAUhandlerton@@@Z ++ ?cmp@Field_blob@@QAEHPBEI0I@Z ++ ?set_time@Field_timestamp@@QAEXXZ ++ ?sql_print_error@@YAXPBDZZ ++ ?sql_print_warning@@YAXPBDZZ ++ ?check_global_access@@YA_NPAVTHD@@K@Z ++ ?schema_table_store_record@@YA_NPAVTHD@@PAUst_table@@@Z ++ ?get_quote_char_for_identifier@@YAHPAVTHD@@PBDI@Z ++ ?copy@String@@QAE_NXZ ++ ?copy@String@@QAE_NABV1@@Z ++ ?copy@String@@QAE_NPBDIPAUcharset_info_st@@@Z ++ ?copy_and_convert@@YAIPADIPAUcharset_info_st@@PBDI1PAI@Z ++ ?filename_to_tablename@@YAIPBDPADI@Z ++ ?strconvert@@YAIPAUcharset_info_st@@PBD0PADIPAI@Z ++ ?calculate_key_len@@YAIPAUst_table@@IPBEK@Z ++ ?sql_alloc@@YAPAXI@Z ++ ?localtime_to_TIME@@YAXPAUst_mysql_time@@PAUtm@@@Z ++ ?push_warning@@YAPAVMYSQL_ERROR@@PAVTHD@@W4enum_warning_level@1@IPBD@Z ++ ?push_warning_printf@@YAXPAVTHD@@W4enum_warning_level@MYSQL_ERROR@@IPBDZZ ++ ?drop_table@handler@@EAEXPBD@Z ++ ?column_bitmaps_signal@handler@@UAEXXZ ++ ?delete_table@handler@@MAEHPBD@Z ++ ?rename_table@handler@@MAEHPBD0@Z ++ ?key_map_empty@@3V?$Bitmap@$0EA@@@B ++ ?THR_THD@@3PAVTHD@@A ++ ?end_of_list@@3Ulist_node@@A ++ ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A ++ ?mysql_bin_log@@3VMYSQL_BIN_LOG@@A ++ ?is_open@MYSQL_LOG@@QAE_NXZ ++ mysql_query_cache_invalidate4 ++ thd_query ++ thd_sql_command ++ thd_get_xid ++ thd_slave_thread ++ thd_non_transactional_update ++ thd_mark_transaction_to_rollback ++ thd_security_context ++ thd_charset ++ thd_test_options ++ thd_ha_data ++ thd_killed ++ thd_tx_isolation ++ thd_tablespace_op ++ thd_sql_command ++ thd_memdup ++ thd_make_lex_string ++ thd_in_lock_tables ++ thd_binlog_format ++ _my_hash_init ++ my_hash_free ++ my_tmpdir ++ check_if_legal_filename ++ my_filename ++ my_sync_dir_by_file ++ alloc_root ++ thr_lock_data_init ++ thr_lock_init ++ thr_lock_delete ++ my_multi_malloc ++ get_charset ++ unpack_filename ++ my_hash_insert ++ my_hash_search ++ my_hash_delete ++ mysql_bin_log_file_pos ++ mysql_bin_log_file_name ++ mysqld_embedded ++ my_thread_name ++ my_malloc ++ my_no_flags_free ++ _sanity ++ _mymalloc ++ _myfree ++ _my_strdup ++ _my_thread_var ++ my_error ++ pthread_cond_init ++ pthread_cond_signal ++ pthread_cond_wait ++ pthread_cond_destroy ++ localtime_r ++ my_strdup + +diff -Nur ../old/sql/mysqld_x64.def.orig ./sql/mysqld_x64.def +--- sql/mysqld_x64.def.orig 1969-12-31 18:00:00 -06:00 ++++ sql/mysqld_x64.def 2008-10-31 02:22:04 -05:00 +@@ -0,0 +1,99 @@ ++EXPORTS ++ ?use_hidden_primary_key@handler@@UEAAXXZ ++ ?get_dynamic_partition_info@handler@@UEAAXPEAUPARTITION_INFO@@I@Z ++ ?read_first_row@handler@@UEAAHPEAEI@Z ++ ?read_range_next@handler@@UEAAHXZ ++ ?read_range_first@handler@@UEAAHPEBUst_key_range@@0_N1@Z ++ ?read_multi_range_first@handler@@UEAAHPEAPEAUst_key_multi_range@@PEAU2@I_NPEAUst_handler_buffer@@@Z ++ ?read_multi_range_next@handler@@UEAAHPEAPEAUst_key_multi_range@@@Z ++ ?index_read_idx_map@handler@@UEAAHPEAEIPEBEKW4ha_rkey_function@@@Z ++ ?print_error@handler@@UEAAXHH@Z ++ ?clone@handler@@UEAAPEAV1@PEAUst_mem_root@@@Z ++ ?get_auto_increment@handler@@UEAAX_K00PEA_K1@Z ++ ?index_next_same@handler@@UEAAHPEAEPEBEI@Z ++ ?get_error_message@handler@@UEAA_NHPEAVString@@@Z ++ ?ha_thd@handler@@IEBAPEAVTHD@@XZ ++ ?update_auto_increment@handler@@QEAAHXZ ++ ?ha_statistic_increment@handler@@IEBAXPEQsystem_status_var@@K@Z ++ ?trans_register_ha@@YAXPEAVTHD@@_NPEAUhandlerton@@@Z ++ ?cmp@Field_blob@@QEAAHPEBEI0I@Z ++ ?set_time@Field_timestamp@@QEAAXXZ ++ ?sql_print_error@@YAXPEBDZZ ++ ?sql_print_warning@@YAXPEBDZZ ++ ?check_global_access@@YA_NPEAVTHD@@K@Z ++ ?schema_table_store_record@@YA_NPEAVTHD@@PEAUst_table@@@Z ++ ?get_quote_char_for_identifier@@YAHPEAVTHD@@PEBDI@Z ++ ?copy@String@@QEAA_NXZ ++ ?copy@String@@QEAA_NAEBV1@@Z ++ ?copy@String@@QEAA_NPEBDIPEAUcharset_info_st@@@Z ++ ?copy_and_convert@@YAIPEADIPEAUcharset_info_st@@PEBDI1PEAI@Z ++ ?filename_to_tablename@@YAIPEBDPEADI@Z ++ ?strconvert@@YAIPEAUcharset_info_st@@PEBD0PEADIPEAI@Z ++ ?calculate_key_len@@YAIPEAUst_table@@IPEBEK@Z ++ ?sql_alloc@@YAPEAX_K@Z ++ ?localtime_to_TIME@@YAXPEAUst_mysql_time@@PEAUtm@@@Z ++ ?push_warning@@YAPEAVMYSQL_ERROR@@PEAVTHD@@W4enum_warning_level@1@IPEBD@Z ++ ?push_warning_printf@@YAXPEAVTHD@@W4enum_warning_level@MYSQL_ERROR@@IPEBDZZ ++ ?drop_table@handler@@EEAAXPEBD@Z ++ ?column_bitmaps_signal@handler@@UEAAXXZ ++ ?delete_table@handler@@MEAAHPEBD@Z ++ ?rename_table@handler@@MEAAHPEBD0@Z ++ ?key_map_empty@@3V?$Bitmap@$0EA@@@B ++ ?THR_THD@@3PEAVTHD@@EA ++ ?end_of_list@@3Ulist_node@@A ++ ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A ++ ?mysql_bin_log@@3VMYSQL_BIN_LOG@@A ++ ?is_open@MYSQL_LOG@@QEAA_NXZ ++ mysql_query_cache_invalidate4 ++ thd_query ++ thd_sql_command ++ thd_get_xid ++ thd_slave_thread ++ thd_non_transactional_update ++ thd_mark_transaction_to_rollback ++ thd_security_context ++ thd_charset ++ thd_test_options ++ thd_ha_data ++ thd_killed ++ thd_tx_isolation ++ thd_tablespace_op ++ thd_sql_command ++ thd_memdup ++ thd_make_lex_string ++ thd_in_lock_tables ++ thd_binlog_format ++ _my_hash_init ++ my_hash_free ++ my_tmpdir ++ check_if_legal_filename ++ my_filename ++ my_sync_dir_by_file ++ alloc_root ++ thr_lock_data_init ++ thr_lock_init ++ thr_lock_delete ++ my_multi_malloc ++ get_charset ++ unpack_filename ++ my_hash_insert ++ my_hash_search ++ my_hash_delete ++ mysql_bin_log_file_pos ++ mysql_bin_log_file_name ++ mysqld_embedded ++ my_thread_name ++ my_malloc ++ my_no_flags_free ++ _sanity ++ _mymalloc ++ _myfree ++ _my_strdup ++ _my_thread_var ++ my_error ++ pthread_cond_init ++ pthread_cond_signal ++ pthread_cond_wait ++ pthread_cond_destroy ++ localtime_r ++ my_strdup + +diff -Nur win/configure.js.orig win/configure.js +--- win/configure.js.orig 2008-09-26 21:18:37 -05:00 ++++ win/configure.js 2008-10-01 11:21:27 -05:00 +@@ -49,6 +49,7 @@ + case "CYBOZU": + case "EMBED_MANIFESTS": + case "WITH_EMBEDDED_SERVER": ++ case "INNODB_DYNAMIC_PLUGIN": + configfile.WriteLine("SET (" + args.Item(i) + " TRUE)"); + break; + case "MYSQL_SERVER_SUFFIX": + +diff -Nur win/build-vs71.bat.orig win/build-vs71.bat +--- win/build-vs71.bat.orig 2008-08-20 10:21:59 -05:00 ++++ win/build-vs71.bat 2008-10-27 10:52:38 -05:00 +@@ -15,8 +15,10 @@ + REM along with this program; if not, write to the Free Software + REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + ++REM CMAKE_BUILD_TYPE can be specified as Release or Debug ++ + if exist cmakecache.txt del cmakecache.txt + copy win\vs71cache.txt cmakecache.txt +-cmake -G "Visual Studio 7 .NET 2003" ++cmake -G "Visual Studio 7 .NET 2003" -DCMAKE_BUILD_TYPE=%1 + copy cmakecache.txt win\vs71cache.txt + +diff -Nur win/build-vs8.bat.orig win/build-vs8.bat +--- win/build-vs8.bat.orig 2008-08-20 10:21:59 -05:00 ++++ win/build-vs8.bat 2008-10-27 10:52:31 -05:00 +@@ -15,7 +15,9 @@ + REM along with this program; if not, write to the Free Software + REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + ++REM CMAKE_BUILD_TYPE can be specified as Release or Debug ++ + if exist cmakecache.txt del cmakecache.txt + copy win\vs8cache.txt cmakecache.txt +-cmake -G "Visual Studio 8 2005" ++cmake -G "Visual Studio 8 2005" -DCMAKE_BUILD_TYPE=%1 + copy cmakecache.txt win\vs8cache.txt +diff -Nur win/build-vs8_x64.bat.orig win/build-vs8_x64.bat +--- win/build-vs8_x64.bat.orig 2008-08-20 10:21:59 -05:00 ++++ win/build-vs8_x64.bat 2008-10-27 10:53:11 -05:00 +@@ -15,7 +15,9 @@ + REM along with this program; if not, write to the Free Software + REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + ++REM CMAKE_BUILD_TYPE can be specified as Release or Debug ++ + if exist cmakecache.txt del cmakecache.txt + copy win\vs8cache.txt cmakecache.txt +-cmake -G "Visual Studio 8 2005 Win64" ++cmake -G "Visual Studio 8 2005 Win64" -DCMAKE_BUILD_TYPE=%1 + copy cmakecache.txt win\vs8cache.txt From 90c00c9e527359757f6653a7218ed7f4eb54c721 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Tue, 11 Nov 2008 10:31:51 +0000 Subject: [PATCH 080/400] branches/innodb+ rb://48 This patch is to improve recovery performance in InnoDB+. It includes introduction of red-black tree for sorted insertion into the flush_list and couple of other quirks. More can be found at: https://svn.innodb.com/innobase/Recovery_Performance_Improvements Reviewed by: Marko --- buf/buf0flu.c | 182 ++++++++++++++++++++++++++++++++++++++++++++-- buf/buf0rea.c | 6 +- include/buf0buf.h | 14 ++++ include/buf0flu.h | 16 ++++ log/log0recv.c | 19 ++++- 5 files changed, 228 insertions(+), 9 deletions(-) diff --git a/buf/buf0flu.c b/buf/buf0flu.c index bd511869aaa..5def9bb7ce7 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -37,6 +37,142 @@ buf_flush_validate_low(void); /* out: TRUE if ok */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +/********************************************************************** +Insert a block in the flush_rbt and returns a pointer to its +predecessor or NULL if no predecessor. The ordering is maintained +on the basis of the key. */ +static +buf_page_t* +buf_flush_insert_in_flush_rbt( +/*==========================*/ + /* out: pointer to the predecessor or + NULL if no predecessor. */ + buf_page_t* bpage) /* in: bpage to be inserted. */ +{ + buf_page_t* prev = NULL; + const ib_rbt_node_t* c_node; + const ib_rbt_node_t* p_node; + + ut_ad(buf_pool_mutex_own()); + + /* Insert this buffer into the rbt. */ + c_node = rbt_insert(buf_pool->flush_rbt, &bpage, &bpage); + ut_a(c_node != NULL); + + /* Get the predecessor. */ + p_node = rbt_prev(buf_pool->flush_rbt, c_node); + + if (p_node != NULL) { + prev = *rbt_value(buf_page_t*, p_node); + ut_a(prev != NULL); + } + + return(prev); +} + +/************************************************************* +Delete a bpage from the flush_rbt. */ +static +void +buf_flush_delete_from_flush_rbt( +/*============================*/ + buf_page_t* bpage) /* in: bpage to be removed. */ +{ + + ibool ret = FALSE; + + ut_ad(buf_pool_mutex_own()); + ret = rbt_delete(buf_pool->flush_rbt, &bpage); + ut_ad(ret); +} + +/********************************************************************* +Compare two modified blocks in the buffer pool. The key for comparison +is: +key = +This comparison is used to maintian ordering of blocks in the +buf_pool->flush_rbt. +Note that for the purpose of flush_rbt, we only need to order blocks +on the oldest_modification. The other two fields are used to uniquely +identify the blocks. */ +static +int +buf_flush_block_cmp( +/*================*/ + /* out: + < 0 if b2 < b1, + 0 if b2 == b1, + > 0 if b2 > b1 */ + const void* p1, /* in: block1 */ + const void* p2) /* in: block2 */ +{ + int ret; + + ut_ad(p1 != NULL); + ut_ad(p2 != NULL); + + const buf_page_t* b1 = *(const buf_page_t**) p1; + const buf_page_t* b2 = *(const buf_page_t**) p2; + + ut_ad(b1 != NULL); + ut_ad(b2 != NULL); + + ut_ad(b1->in_flush_list); + ut_ad(b2->in_flush_list); + + if (b2->oldest_modification + > b1->oldest_modification) { + return(1); + } + + if (b2->oldest_modification + < b1->oldest_modification) { + return(-1); + } + + /* If oldest_modification is same then decide on the space. */ + ret = (int)(b2->space - b1->space); + + /* Or else decide ordering on the offset field. */ + return(ret ? ret : (int)(b2->offset - b1->offset)); +} + +/************************************************************************ +Initialize the red-black tree to speed up insertions into the flush_list +during recovery process. Should be called at the start of recovery +process before any page has been read/written. */ +UNIV_INTERN +void +buf_flush_init_flush_rbt(void) +/*==========================*/ +{ + buf_pool_mutex_enter(); + + /* Create red black tree for speedy insertions in flush list. */ + buf_pool->flush_rbt = rbt_create(sizeof(buf_page_t*), + buf_flush_block_cmp); + buf_pool_mutex_exit(); +} + +/************************************************************************ +Frees up the red-black tree. */ +UNIV_INTERN +void +buf_flush_free_flush_rbt(void) +/*==========================*/ +{ + buf_pool_mutex_enter(); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + rbt_free(buf_pool->flush_rbt); + buf_pool->flush_rbt = NULL; + + buf_pool_mutex_exit(); +} + /************************************************************************ Inserts a modified block into the flush list. */ UNIV_INTERN @@ -50,6 +186,13 @@ buf_flush_insert_into_flush_list( || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification <= bpage->oldest_modification)); + /* If we are in the recovery then we need to update the flush + red-black tree as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_insert_sorted_into_flush_list(bpage); + return; + } + switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: mutex_enter(&buf_pool_zip_mutex); @@ -120,12 +263,27 @@ buf_flush_insert_sorted_into_flush_list( } prev_b = NULL; - b = UT_LIST_GET_FIRST(buf_pool->flush_list); - while (b && b->oldest_modification > bpage->oldest_modification) { - ut_ad(b->in_flush_list); - prev_b = b; - b = UT_LIST_GET_NEXT(list, b); + /* For the most part when this function is called the flush_rbt + should not be NULL. In a very rare boundary case it is possible + that the flush_rbt has already been freed by the recovery thread + before the last page was hooked up in the flush_list by the + io-handler thread. In that case we'll just do a simple + linear search in the else block. */ + if (buf_pool->flush_rbt) { + + prev_b = buf_flush_insert_in_flush_rbt(bpage); + + } else { + + b = UT_LIST_GET_FIRST(buf_pool->flush_list); + + while (b && b->oldest_modification + > bpage->oldest_modification) { + ut_ad(b->in_flush_list); + prev_b = b; + b = UT_LIST_GET_NEXT(list, b); + } } if (prev_b == NULL) { @@ -242,6 +400,11 @@ buf_flush_remove( break; } + /* If the flush_rbt is active then delete from it as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_delete_from_flush_rbt(bpage); + } + bpage->oldest_modification = 0; ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list)); @@ -1275,6 +1438,15 @@ buf_flush_validate_low(void) ut_a(buf_page_in_file(bpage)); ut_a(om > 0); + /* If we are in recovery mode i.e.: flush_rbt != NULL + then each block in the flush_list must also be present + in the flush_rbt. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + ut_a(*rbt_value(buf_page_t*, + rbt_lookup(buf_pool->flush_rbt, &bpage)) + == bpage); + } + bpage = UT_LIST_GET_NEXT(list, bpage); ut_a(!bpage || om >= bpage->oldest_modification); diff --git a/buf/buf0rea.c b/buf/buf0rea.c index e2491570fb4..83e75ff593e 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -745,14 +745,14 @@ buf_read_recv_pages( while (buf_pool->n_pend_reads >= recv_n_pool_free_frames / 2) { os_aio_simulated_wake_handler_threads(); - os_thread_sleep(500000); + os_thread_sleep(10000); count++; - if (count > 100) { + if (count > 1000) { fprintf(stderr, "InnoDB: Error: InnoDB has waited for" - " 50 seconds for pending\n" + " 10 seconds for pending\n" "InnoDB: reads to the buffer pool to" " be finished.\n" "InnoDB: Number of pending reads %lu," diff --git a/include/buf0buf.h b/include/buf0buf.h index efd6bd92091..c5701586619 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -30,6 +30,7 @@ Created 11/5/1995 Heikki Tuuri #include "sync0rw.h" #include "hash0hash.h" #include "ut0byte.h" +#include "ut0rbt.h" #include "os0proc.h" #include "page0types.h" @@ -1285,6 +1286,19 @@ struct buf_pool_struct{ /* this is in the set state when there is no flush batch of the given type running */ + ib_rbt_t* flush_rbt; /* a red-black tree is used + exclusively during recovery to + speed up insertions in the + flush_list. This tree contains + blocks in order of + oldest_modification LSN and is + kept in sync with the + flush_list. + Each member of the tree MUST + also be on the flush_list. + This tree is relevant only in + recovery and is set to NULL + once the recovery is over. */ ulint ulint_clock; /* a sequence number used to count time. NOTE! This counter wraps around at 4 billion (if ulint == diff --git a/include/buf0flu.h b/include/buf0flu.h index b11801e9fe8..da497899a2c 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -126,6 +126,22 @@ buf_flush_validate(void); /* out: TRUE if ok */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +/************************************************************************ +Initialize the red-black tree to speed up insertions into the flush_list +during recovery process. Should be called at the start of recovery +process before any page has been read/written. */ +UNIV_INTERN +void +buf_flush_init_flush_rbt(void); +/*==========================*/ + +/************************************************************************ +Frees up the red-black tree. */ +UNIV_INTERN +void +buf_flush_free_flush_rbt(void); +/*==========================*/ + /* When buf_flush_free_margin is called, it tries to make this many blocks available to replacement in the free list and at the end of the LRU list (to make sure that a read-ahead batch can be read efficiently in a single diff --git a/log/log0recv.c b/log/log0recv.c index a36eabce9a4..7f3df4eaefc 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -101,7 +101,9 @@ UNIV_INTERN ulint recv_max_parsed_page_no = 0; /* This many frames must be left free in the buffer pool when we scan the log and store the scanned log records in the buffer pool: we will use these free frames to read in pages when we start applying the -log records to the database. */ +log records to the database. +This is the default value. If the actual size of the buffer pool is +larger than 10 MB we'll set this value to 512. */ UNIV_INTERN ulint recv_n_pool_free_frames = 256; @@ -156,6 +158,12 @@ recv_sys_init( return; } + /* Initialize red-black tree for fast insertions into the + flush_list during recovery process. + As this initialization is done while holding the buffer pool + mutex we perform it before acquiring recv_sys->mutex. */ + buf_flush_init_flush_rbt(); + mutex_enter(&(recv_sys->mutex)); if (!recover_from_backup) { @@ -165,6 +173,12 @@ recv_sys_init( recv_is_from_backup = TRUE; } + /* Set appropriate value of recv_n_pool_free_frames. */ + if (buf_pool_get_curr_size() >= (10 * 1024 * 1024)) { + /* Buffer pool of size greater than 10 MB. */ + recv_n_pool_free_frames = 512; + } + recv_sys->buf = ut_malloc(RECV_PARSING_BUF_SIZE); recv_sys->len = 0; recv_sys->recovered_offset = 0; @@ -231,6 +245,9 @@ recv_sys_free(void) recv_sys->heap = NULL; mutex_exit(&(recv_sys->mutex)); + + /* Free up the flush_rbt. */ + buf_flush_free_flush_rbt(); } #endif /* UNIV_LOG_DEBUG */ From 66ad99af4ccf62cba0c03a47a3c4e634941addbf Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 12 Nov 2008 12:05:07 +0000 Subject: [PATCH 081/400] branches/innodb+: ibuf_delete(): Add an assertion to track down Issue #117. --- ibuf/ibuf0ibuf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9aaa247d334..d0896102e60 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3663,6 +3663,9 @@ ibuf_delete( offsets = rec_get_offsets( rec, index, offsets, ULINT_UNDEFINED, &heap); + /* Refuse to delete the last record. */ + ut_a(page_get_n_recs(page) > 1); + lock_update_delete(block, rec); if (!page_zip) { From 5f299beccbc5efaa20bb468e2c752fc37a2123a0 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 19 Nov 2008 20:13:27 +0000 Subject: [PATCH 082/400] branches/innodb+: ibuf_insert_low(): Correct an off-by-one error that caused Issue #117. Before buffering IBUF_OP_DELETE, require that there be at least two records on the page. In that way, at least one record will remain after the delete operation has been merged. --- ibuf/ibuf0ibuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index d0896102e60..873031f5b32 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3235,7 +3235,7 @@ ibuf_insert_low( ? &min_n_recs : NULL, &mtr); - if (op == IBUF_OP_DELETE && min_n_recs == 0) { + if (op == IBUF_OP_DELETE && min_n_recs < 2) { /* The page could become empty after the record is deleted. Refuse to buffer the operation. */ err = DB_STRONG_FAIL; From 0f25be38531662b6951b04fcd2a2500b593de642 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 20 Nov 2008 08:48:55 +0000 Subject: [PATCH 083/400] branches/innodb+: ibuf_get_volume_buffered(): Do not clear the hash_bitmap a second time. Only clear it if n_recs has been set. --- ibuf/ibuf0ibuf.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 873031f5b32..60f282514c0 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2684,7 +2684,10 @@ ibuf_get_volume_buffered( pcur */ volume = 0; - memset(hash_bitmap, 0, sizeof hash_bitmap); + + if (n_recs) { + memset(hash_bitmap, 0, sizeof hash_bitmap); + } rec = btr_pcur_get_rec(pcur); page = page_align(rec); @@ -2767,8 +2770,6 @@ ibuf_get_volume_buffered( } count_later: - memset(hash_bitmap, 0, sizeof hash_bitmap); - rec = btr_pcur_get_rec(pcur); if (!page_rec_is_supremum(rec)) { From f7f408167208cae584dedc0cbb665e1ae7a8a12c Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 20 Nov 2008 11:53:53 +0000 Subject: [PATCH 084/400] branches/innodb+: Merge revisions 2986:3152 from branches/zip: ------------------------------------------------------------------------ r3036 | marko | 2008-11-12 12:34:30 +0200 (Wed, 12 Nov 2008) | 4 lines branches/zip: dtuple_validate(): When UNIV_DEBUG_VALGRIND is defined, rely solely on the UNIV_MEM_ASSERT_RW() check and disable the for loop that would only cause additional noise. ------------------------------------------------------------------------ r3037 | marko | 2008-11-12 13:52:57 +0200 (Wed, 12 Nov 2008) | 6 lines branches/zip: row_vers_impl_x_locked_off_kernel(): Remove compilation warnings about prev_trx_id and vers_del being possibly uninitialized, by handling the case prev_version == NULL in a single if block. rb://45 approved by Inaam Rana. ------------------------------------------------------------------------ r3131 | michael | 2008-11-17 14:56:56 +0200 (Mon, 17 Nov 2008) | 9 lines branches/zip: rb://53 Improve innodb_supports_xa system variable handling and reduces the number of retrievals of the value from MySQL. Approved by: Marko, over IM ------------------------------------------------------------------------ r3132 | michael | 2008-11-17 16:02:01 +0200 (Mon, 17 Nov 2008) | 5 lines branches/zip: rb://53 Final version of rb://53, fixes the styling of a comment, makes the definition and the declaration of thd_supports_xa() identical commentwise. ------------------------------------------------------------------------ r3141 | marko | 2008-11-19 16:39:55 +0200 (Wed, 19 Nov 2008) | 1 line branches/zip: buf_LRU_free_block(): Clarify the function comment. ------------------------------------------------------------------------ r3144 | marko | 2008-11-20 11:39:49 +0200 (Thu, 20 Nov 2008) | 2 lines branches/zip: rec_get_nth_field_offs_old(): Add UNIV_UNLIKELY hints to assertion-like tests. ------------------------------------------------------------------------ r3145 | marko | 2008-11-20 12:22:40 +0200 (Thu, 20 Nov 2008) | 20 lines branches/zip: Always check for "row too large" when executing SQL to create an index or table. We have to skip this check when loading table definitions from the data dictionary, because we could otherwise refuse to load old tables (even uncompressed ones). This addresses Issue #119. The first "row too large" check was implemented in MySQL 5.0.3 to address MySQL Bug #5682. In the InnoDB Plugin 1.0.2, a more accurate check was implemented in innodb_strict_mode. We now make the check unconditional. dict_create_index_step(): Pass strict=TRUE to dict_index_add_to_cache(). trx_is_strict(), thd_is_strict(): Remove. innodb-zip.test: Test in innodb_strict_mode=OFF. innodb_bug36169.test: Ensure that none of the tables can be created. rb://56 approved by Sunny Bains. ------------------------------------------------------------------------ r3148 | marko | 2008-11-20 13:27:27 +0200 (Thu, 20 Nov 2008) | 3 lines branches/zip: rec_print_old(), rec_print_comp(): Dump each field in a separate line, so that the dumps can be read and compared more easily. ------------------------------------------------------------------------ --- buf/buf0lru.c | 12 +++- data/data0data.c | 12 ++-- dict/dict0crea.c | 2 +- handler/ha_innodb.cc | 28 ++++----- include/buf0lru.h | 12 +++- include/ha_prototypes.h | 12 ++-- include/trx0trx.h | 9 --- mysql-test/innodb-zip.result | 2 +- mysql-test/innodb-zip.test | 3 +- mysql-test/innodb_bug36169.test | 7 +++ rem/rem0rec.c | 13 ++-- row/row0vers.c | 108 +++++++++++++++++--------------- trx/trx0trx.c | 24 +++---- 13 files changed, 126 insertions(+), 118 deletions(-) diff --git a/buf/buf0lru.c b/buf/buf0lru.c index ce889df3f13..9a59a1fe3d4 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1287,9 +1287,15 @@ buf_LRU_make_block_old( /********************************************************************** Try to free a block. If bpage is a descriptor of a compressed-only -page, the descriptor object will be freed as well. If this function -returns BUF_LRU_FREED, it will not temporarily release -buf_pool_mutex. */ +page, the descriptor object will be freed as well. + +NOTE: If this function returns BUF_LRU_FREED, it will not temporarily +release buf_pool_mutex. Furthermore, the page frame will no longer be +accessible via bpage. + +The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +release these two mutexes after the call. No other +buf_page_get_mutex() may be held when calling this function. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( diff --git a/data/data0data.c b/data/data0data.c index 212bc8237c0..9b4262c5045 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -26,8 +26,10 @@ Created 5/30/1994 Heikki Tuuri for error checking */ UNIV_INTERN byte data_error; +# ifndef UNIV_DEBUG_VALGRIND /* this is used to fool the compiler in dtuple_validate */ UNIV_INTERN ulint data_dummy; +# endif /* !UNIV_DEBUG_VALGRIND */ #endif /* UNIV_DEBUG */ /************************************************************************* @@ -232,11 +234,9 @@ dtuple_validate( const dtuple_t* tuple) /* in: tuple */ { const dfield_t* field; - const byte* data; ulint n_fields; ulint len; ulint i; - ulint j; ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); @@ -252,8 +252,9 @@ dtuple_validate( if (!dfield_is_null(field)) { - data = dfield_get_data(field); - UNIV_MEM_ASSERT_RW(data, len); + const byte* data = dfield_get_data(field); +#ifndef UNIV_DEBUG_VALGRIND + ulint j; for (j = 0; j < len; j++) { @@ -262,6 +263,9 @@ dtuple_validate( code */ data++; } +#endif /* !UNIV_DEBUG_VALGRIND */ + + UNIV_MEM_ASSERT_RW(data, len); } } diff --git a/dict/dict0crea.c b/dict/dict0crea.c index d4b3b3ae124..243cdbc03d5 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -1079,7 +1079,7 @@ dict_create_index_step( dulint index_id = node->index->id; err = dict_index_add_to_cache(node->table, node->index, - FIL_NULL, trx_is_strict(trx)); + FIL_NULL, TRUE); node->index = dict_index_get_if_in_cache_low(index_id); ut_a(!node->index == (err != DB_SUCCESS)); diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index f680a41f1dd..6beb0eb0ab4 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -608,15 +608,17 @@ thd_is_select( } /********************************************************************** -Returns true if the thread is executing in innodb_strict_mode. */ +Returns true if the thread supports XA, +global value of innodb_supports_xa if thd is NULL. */ extern "C" UNIV_INTERN ibool -thd_is_strict( -/*==========*/ - /* out: true if thd is in strict mode */ - void* thd) /* in: thread handle (THD*) */ +thd_supports_xa( +/*============*/ + /* out: true if thd has XA support */ + void* thd) /* in: thread handle (THD*), or NULL to query + the global innodb_supports_xa */ { - return(THDVAR((THD*) thd, strict_mode)); + return(THDVAR((THD*) thd, support_xa)); } /********************************************************************** @@ -1238,9 +1240,6 @@ check_trx_exists( trx->mysql_thd = thd; trx->mysql_query_str = thd_query(thd); - /* Update the info whether we should skip XA steps that eat - CPU time */ - trx->support_xa = THDVAR(thd, support_xa); } else { if (trx->magic_n != TRX_MAGIC_N) { mem_analyze_corruption(trx); @@ -2299,9 +2298,6 @@ innobase_commit( trx = check_trx_exists(thd); - /* Update the info whether we should skip XA steps that eat CPU time */ - trx->support_xa = THDVAR(thd, support_xa); - /* Since we will reserve the kernel mutex, we have to release the search system latch first to obey the latching order. */ @@ -2428,9 +2424,6 @@ innobase_rollback( trx = check_trx_exists(thd); - /* Update the info whether we should skip XA steps that eat CPU time */ - trx->support_xa = THDVAR(thd, support_xa); - /* Release a possible FIFO ticket and search latch. Since we will reserve the kernel mutex, we have to release the search system latch first to obey the latching order. */ @@ -8843,7 +8836,10 @@ innobase_xa_prepare( trx->active_trans = 2; } - if (!THDVAR(thd, support_xa)) { + /* we use support_xa value as it was seen at transaction start + time, not the current session variable value. Any possible changes + to the session variable take effect only in the next transaction */ + if (!trx->support_xa) { return(0); } diff --git a/include/buf0lru.h b/include/buf0lru.h index d61e33d3413..e6d802c0f4c 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -87,9 +87,15 @@ buf_LRU_insert_zip_clean( /********************************************************************** Try to free a block. If bpage is a descriptor of a compressed-only -page, the descriptor object will be freed as well. If this function -returns BUF_LRU_FREED, it will not temporarily release -buf_pool_mutex. */ +page, the descriptor object will be freed as well. + +NOTE: If this function returns BUF_LRU_FREED, it will not temporarily +release buf_pool_mutex. Furthermore, the page frame will no longer be +accessible via bpage. + +The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +release these two mutexes after the call. No other +buf_page_get_mutex() may be held when calling this function. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 0696885720b..7c46c4de767 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -207,13 +207,15 @@ innobase_get_charset( void* mysql_thd); /* in: MySQL thread handle */ /********************************************************************** -Returns true if the thread is executing in innodb_strict_mode. */ +Returns true if the thread supports XA, +global value of innodb_supports_xa if thd is NULL. */ ibool -thd_is_strict( -/*==========*/ - /* out: true if thd is in strict mode */ - void* thd); /* in: thread handle (THD*) */ +thd_supports_xa( +/*============*/ + /* out: true if thd supports XA */ + void* thd); /* in: thread handle (THD*), or NULL to query + the global innodb_supports_xa */ /********************************************************************** Returns the lock wait timeout for the current connection. */ diff --git a/include/trx0trx.h b/include/trx0trx.h index f1bdd9cc979..f45d430f7ad 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -407,15 +407,6 @@ trx_is_interrupted( #define trx_is_interrupted(trx) FALSE #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** -Determines if the currently running transaction is in innodb_strict_mode. */ -UNIV_INTERN -ibool -trx_is_strict( -/*==========*/ - /* out: TRUE if strict */ - trx_t* trx); /* in: transaction */ - /*********************************************************************** Calculates the "weight" of a transaction. The weight of one transaction is estimated as the number of altered rows + the number of locked rows. diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index ccbfb2b7c37..c81401743a5 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -122,7 +122,7 @@ table_schema table_name row_format test t1 Compressed test t2 Compact drop table t1,t2; -SET SESSION innodb_strict_mode = on; +SET SESSION innodb_strict_mode = off; CREATE TABLE t1( c TEXT NOT NULL, d TEXT NOT NULL, PRIMARY KEY (c(767),d(767))) diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index faa21b6e7b1..b1eb809edaa 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -84,7 +84,8 @@ SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; drop table t1,t2; -SET SESSION innodb_strict_mode = on; +# The following should fail even in non-strict mode. +SET SESSION innodb_strict_mode = off; --error ER_TOO_BIG_ROWSIZE CREATE TABLE t1( c TEXT NOT NULL, d TEXT NOT NULL, diff --git a/mysql-test/innodb_bug36169.test b/mysql-test/innodb_bug36169.test index e7375900675..d3566d3eb39 100644 --- a/mysql-test/innodb_bug36169.test +++ b/mysql-test/innodb_bug36169.test @@ -22,6 +22,7 @@ SET GLOBAL innodb_file_per_table=ON; # Generating 10 tables # Creating a table with 94 columns and 24 indexes DROP TABLE IF EXISTS `table0`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table0` (`col0` BOOL, `col1` BOOL, @@ -145,6 +146,7 @@ KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) # Creating a table with 10 columns and 32 indexes DROP TABLE IF EXISTS `table1`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table1` (`col0` CHAR (113), `col1` FLOAT, @@ -192,6 +194,7 @@ KEY `idx31` (`col4`(1),`col0`) # Creating a table with 141 columns and 18 indexes DROP TABLE IF EXISTS `table2`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table2` (`col0` BOOL, `col1` MEDIUMINT, @@ -356,6 +359,7 @@ KEY `idx17` (`col24`(250),`col7`,`col92`,`col45`) # Creating a table with 199 columns and 1 indexes DROP TABLE IF EXISTS `table3`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table3` (`col0` SMALLINT, `col1` SET ('test1','test2','test3'), @@ -561,6 +565,7 @@ KEY `idx0` (`col39`,`col23`) # Creating a table with 133 columns and 16 indexes DROP TABLE IF EXISTS `table4`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table4` (`col0` VARCHAR (60), `col1` NUMERIC, @@ -715,6 +720,7 @@ KEY `idx15` (`col4`(246),`col130`,`col115`,`col3`(141)) # Creating a table with 176 columns and 13 indexes DROP TABLE IF EXISTS `table5`; +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table5` (`col0` MEDIUMTEXT, `col1` VARCHAR (90), @@ -910,6 +916,7 @@ KEY `idx12` (`col24`) # Creating a table with 179 columns and 46 indexes DROP TABLE IF EXISTS `table6`; -- error ER_TOO_BIG_ROWSIZE +--error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table6` (`col0` ENUM ('test1','test2','test3'), `col1` MEDIUMBLOB, diff --git a/rem/rem0rec.c b/rem/rem0rec.c index e712bc03a38..6906cce21f5 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -681,13 +681,13 @@ rec_get_nth_field_offs_old( ut_ad(rec && len); ut_ad(n < rec_get_n_fields_old(rec)); - if (n > REC_MAX_N_FIELDS) { + if (UNIV_UNLIKELY(n > REC_MAX_N_FIELDS)) { fprintf(stderr, "Error: trying to access field %lu in rec\n", (ulong) n); ut_error; } - if (rec == NULL) { + if (UNIV_UNLIKELY(rec == NULL)) { fputs("Error: rec is NULL pointer\n", stderr); ut_error; } @@ -1599,10 +1599,10 @@ rec_print_old( fprintf(file, " SQL NULL, size %lu ", rec_get_nth_field_size(rec, i)); } - putc(';', file); - } - putc('\n', file); + putc(';', file); + putc('\n', file); + } rec_validate_old(rec); } @@ -1642,9 +1642,8 @@ rec_print_comp( fputs(" SQL NULL", file); } putc(';', file); + putc('\n', file); } - - putc('\n', file); } /******************************************************************* diff --git a/row/row0vers.c b/row/row0vers.c index 2ed71457dbb..3b25c2f71e1 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -48,16 +48,13 @@ row_vers_impl_x_locked_off_kernel( rec_t* clust_rec; ulint* clust_offsets; rec_t* version; - rec_t* prev_version; dulint trx_id; - dulint prev_trx_id; mem_heap_t* heap; mem_heap_t* heap2; dtuple_t* row; dtuple_t* entry = NULL; /* assignment to eliminate compiler warning */ trx_t* trx; - ulint vers_del; ulint rec_del; ulint err; mtr_t mtr; @@ -141,6 +138,11 @@ row_vers_impl_x_locked_off_kernel( version = clust_rec; for (;;) { + rec_t* prev_version; + ulint vers_del; + row_ext_t* ext; + dulint prev_trx_id; + mutex_exit(&kernel_mutex); /* While we retrieve an earlier version of clust_rec, we @@ -157,47 +159,59 @@ row_vers_impl_x_locked_off_kernel( heap, &prev_version); mem_heap_free(heap2); /* free version and clust_offsets */ - if (prev_version) { - row_ext_t* ext; + if (prev_version == NULL) { + mutex_enter(&kernel_mutex); - clust_offsets = rec_get_offsets( - prev_version, clust_index, NULL, - ULINT_UNDEFINED, &heap); + if (!trx_is_active(trx_id)) { + /* Transaction no longer active: no + implicit x-lock */ - vers_del = rec_get_deleted_flag(prev_version, - comp); - prev_trx_id = row_get_rec_trx_id(prev_version, - clust_index, - clust_offsets); - - /* If the trx_id and prev_trx_id are - different and if the prev_version is marked - deleted then the prev_trx_id must have - already committed for the trx_id to be able to - modify the row. Therefore, prev_trx_id cannot - hold any implicit lock. */ - if (0 != ut_dulint_cmp(trx_id, prev_trx_id) - && vers_del) { - - mutex_enter(&kernel_mutex); break; } - /* The stack of versions is locked by mtr. - Thus, it is safe to fetch the prefixes for - externally stored columns. */ - row = row_build(ROW_COPY_POINTERS, clust_index, - prev_version, clust_offsets, - NULL, &ext, heap); - entry = row_build_index_entry(row, ext, index, heap); - /* entry may be NULL if a record was inserted - in place of a deleted record, and the BLOB - pointers of the new record were not - initialized yet. But in that case, - prev_version should be NULL. */ - ut_a(entry); + /* If the transaction is still active, + clust_rec must be a fresh insert, because no + previous version was found. */ + ut_ad(err == DB_SUCCESS); + + /* It was a freshly inserted version: there is an + implicit x-lock on rec */ + + trx = trx_get_on_id(trx_id); + + break; } + clust_offsets = rec_get_offsets(prev_version, clust_index, + NULL, ULINT_UNDEFINED, &heap); + + vers_del = rec_get_deleted_flag(prev_version, comp); + prev_trx_id = row_get_rec_trx_id(prev_version, clust_index, + clust_offsets); + + /* If the trx_id and prev_trx_id are different and if + the prev_version is marked deleted then the + prev_trx_id must have already committed for the trx_id + to be able to modify the row. Therefore, prev_trx_id + cannot hold any implicit lock. */ + if (vers_del && 0 != ut_dulint_cmp(trx_id, prev_trx_id)) { + + mutex_enter(&kernel_mutex); + break; + } + + /* The stack of versions is locked by mtr. Thus, it + is safe to fetch the prefixes for externally stored + columns. */ + row = row_build(ROW_COPY_POINTERS, clust_index, prev_version, + clust_offsets, NULL, &ext, heap); + entry = row_build_index_entry(row, ext, index, heap); + /* entry may be NULL if a record was inserted in place + of a deleted record, and the BLOB pointers of the new + record were not initialized yet. But in that case, + prev_version should be NULL. */ + ut_a(entry); + mutex_enter(&kernel_mutex); if (!trx_is_active(trx_id)) { @@ -206,26 +220,16 @@ row_vers_impl_x_locked_off_kernel( break; } - /* If the transaction is still active, the previous version - of clust_rec must be accessible if not a fresh insert; we - may assert the following: */ - - ut_ad(err == DB_SUCCESS); - - if (prev_version == NULL) { - /* It was a freshly inserted version: there is an - implicit x-lock on rec */ - - trx = trx_get_on_id(trx_id); - - break; - } - /* If we get here, we know that the trx_id transaction is still active and it has modified prev_version. Let us check if prev_version would require rec to be in a different state. */ + /* The previous version of clust_rec must be + accessible, because the transaction is still active + and clust_rec was not a fresh insert. */ + ut_ad(err == DB_SUCCESS); + /* We check if entry and rec are identified in the alphabetical ordering */ if (0 == cmp_dtuple_rec(entry, rec, offsets)) { diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 108108d7128..e529f460fb3 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -34,22 +34,6 @@ UNIV_INTERN sess_t* trx_dummy_sess = NULL; the kernel mutex */ UNIV_INTERN ulint trx_n_mysql_transactions = 0; -/************************************************************************** -Determines if the currently running transaction is in innodb_strict_mode. */ -UNIV_INTERN -ibool -trx_is_strict( -/*==========*/ - /* out: TRUE if strict */ - trx_t* trx) /* in: transaction */ -{ -#ifndef UNIV_HOTBACKUP - return(trx && trx->mysql_thd && thd_is_strict(trx->mysql_thd)); -#else /* UNIV_HOTBACKUP */ - return(FALSE); -#endif /* UNIV_HOTBACKUP */ -} - /***************************************************************** Set detailed error message for the transaction. */ UNIV_INTERN @@ -694,6 +678,14 @@ trx_start( { ibool ret; + /* Update the info whether we should skip XA steps that eat CPU time + For the duration of the transaction trx->support_xa is not reread + from thd so any changes in the value take effect in the next + transaction. This is to avoid a scenario where some undo + generated by a transaction, has XA stuff, and other undo, + generated by the same transaction, doesn't. */ + trx->support_xa = thd_supports_xa(trx->mysql_thd); + mutex_enter(&kernel_mutex); ret = trx_start_low(trx, rseg_id); From 2b9fe06f3470bd15b1604e003f5c9144b35dba58 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 20 Nov 2008 14:24:15 +0000 Subject: [PATCH 085/400] branches/innodb+: ibuf_get_volume_buffered_count(): Compute also the space taken by merging the buffered record to the index page. Assert that the record is in the "multiple tablespaces" format. ibuf_get_volume_buffered(): Remove the calls to ibuf_rec_get_volume() and use the return value of ibuf_get_volume_buffered_count() instead. --- ibuf/ibuf0ibuf.c | 115 +++++++++++++++++++++++++++++------------------ 1 file changed, 72 insertions(+), 43 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 60f282514c0..68f4b47b892 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2563,11 +2563,15 @@ ibuf_get_volume_buffered_hash( } /************************************************************************* -Update the estimate of the number of records on a page. */ +Update the estimate of the number of records on a page, and +get the space taken by merging the buffered record to the index page. */ static -void +ulint ibuf_get_volume_buffered_count( /*===========================*/ + /* out: size of index record in bytes + + an upper limit of the space taken in the + page directory */ const rec_t* rec, /* in: insert buffer record */ byte* hash, /* in/out: hash array */ ulint size, /* in: size of hash array, in bytes */ @@ -2575,43 +2579,48 @@ ibuf_get_volume_buffered_count( on the page that rec points to */ { ulint len; - const byte* field; ibuf_op_t ibuf_op; + const byte* types; + ulint n_fields = rec_get_n_fields_old(rec); ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); + ut_ad(n_fields > 4); + n_fields -= 4; - if (!n_recs) { - /* The records only need to be counted when - IBUF_OP_DELETE is being buffered. */ - return; - } + rec_get_nth_field_offs_old(rec, 1, &len); + /* This function is only invoked when buffering new + operations. All pre-4.1 records should have been merged + when the database was started up. */ + ut_a(len == 1); + ut_ad(trx_sys_multiple_tablespace_format); - field = rec_get_nth_field_old(rec, 1, &len); - - if (UNIV_UNLIKELY(len > 1)) { - /* This is a < 4.1.x format record. Ignore it in the - count, because deletes cannot be buffered if there are - old-style records for the page. */ - - return; - } - - field = rec_get_nth_field_old(rec, 3, &len); + types = rec_get_nth_field_old(rec, 3, &len); switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, IBUF_REC_INFO_SIZE)) { default: ut_error; case 0: + /* This ROW_TYPE=REDUNDANT record does not include an + operation counter. Exclude it from the *n_recs, + because deletes cannot be buffered if there are + old-style inserts buffered for the page. */ + + len = ibuf_rec_get_size(rec, types, n_fields, FALSE); + + return(len + + rec_get_converted_extra_size(len, n_fields, 0) + + page_dir_calc_reserved_space(1)); case 1: - /* This record does not include an operation counter. - Ignore it in the count, because deletes cannot be - buffered if there are old-style records for the page. */ - return; + /* This ROW_TYPE=COMPACT record does not include an + operation counter. Exclude it from the *n_recs, + because deletes cannot be buffered if there are + old-style inserts buffered for the page. */ + goto get_volume_comp; case IBUF_REC_INFO_SIZE: - ibuf_op = (ibuf_op_t) field[IBUF_REC_OFFSET_TYPE]; + ibuf_op = (ibuf_op_t) types[IBUF_REC_OFFSET_TYPE]; + types += IBUF_REC_INFO_SIZE; break; } @@ -2624,22 +2633,50 @@ ibuf_get_volume_buffered_count( case IBUF_OP_DELETE_MARK: /* There must be a record to delete-mark. See if this record has been already buffered. */ - if (ibuf_get_volume_buffered_hash(rec, - field + IBUF_REC_INFO_SIZE, - field + len, - hash, size)) { + if (n_recs && ibuf_get_volume_buffered_hash( + rec, types + IBUF_REC_INFO_SIZE, + types + len, hash, size)) { (*n_recs)++; } + + if (ibuf_op == IBUF_OP_DELETE_MARK) { + /* Setting the delete-mark flag does not + affect the available space on the page. */ + return(0); + } break; case IBUF_OP_DELETE: /* A record will be removed from the page. */ - if (*n_recs > 0) { + if (n_recs && *n_recs > 0) { (*n_recs)--; } - break; + /* While deleting a record actually frees up space, + we have to play it safe and pretend that it takes no + additional space (the record might not exist, etc.). */ + return(0); default: ut_error; } + + ut_ad(ibuf_op == IBUF_OP_INSERT); + +get_volume_comp: + { + dtuple_t* entry; + ulint volume; + dict_index_t* dummy_index; + mem_heap_t* heap = mem_heap_create(500); + + entry = ibuf_build_entry_from_ibuf_rec( + rec, heap, &dummy_index); + + volume = rec_get_converted_size(dummy_index, entry, 0); + + ibuf_dummy_index_free(dummy_index); + mem_heap_free(heap); + + return(volume + page_dir_calc_reserved_space(1)); + } } /************************************************************************* @@ -2708,9 +2745,7 @@ ibuf_get_volume_buffered( goto count_later; } - volume += ibuf_rec_get_volume(rec); - - ibuf_get_volume_buffered_count( + volume += ibuf_get_volume_buffered_count( rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_prev(rec); @@ -2761,9 +2796,7 @@ ibuf_get_volume_buffered( goto count_later; } - volume += ibuf_rec_get_volume(rec); - - ibuf_get_volume_buffered_count( + volume += ibuf_get_volume_buffered_count( rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_prev(rec); @@ -2788,9 +2821,7 @@ count_later: return(volume); } - volume += ibuf_rec_get_volume(rec); - - ibuf_get_volume_buffered_count( + volume += ibuf_get_volume_buffered_count( rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_next(rec); @@ -2838,9 +2869,7 @@ count_later: return(volume); } - volume += ibuf_rec_get_volume(rec); - - ibuf_get_volume_buffered_count( + volume += ibuf_get_volume_buffered_count( rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_next(rec); From ca77a5e71b71bb275537d7ef64b2fd5e68d15443 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 21 Nov 2008 14:28:42 +0000 Subject: [PATCH 086/400] branches/innodb+: Merge revisions 3152:3177 from branches/zip: ------------------------------------------------------------------------ r3170 | marko | 2008-11-21 10:11:18 +0200 (Fri, 21 Nov 2008) | 4 lines branches/zip: dtuple_print(): Dump each field in a separate line, so that the dumps can be read and compared more easily. This is related to the change to rec_print_old() and rec_print_comp() in r3148. ------------------------------------------------------------------------ r3177 | marko | 2008-11-21 16:24:31 +0200 (Fri, 21 Nov 2008) | 3 lines branches/zip: buf_LRU_free_block(), buf_page_try_get_func(): Assert that there is nothing in the insert buffer for the page. This is for tracking down Issue #128. ------------------------------------------------------------------------ --- buf/buf0buf.c | 5 +++++ buf/buf0lru.c | 5 +++++ data/data0data.c | 2 +- 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index ce7e811dd40..29fbe382d6a 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2489,6 +2489,11 @@ buf_page_try_get_func( buf_pool->n_page_gets++; +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0); +#endif + return(block); } diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 9a59a1fe3d4..6390c99b74b 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -26,6 +26,7 @@ Created 11/5/1995 Heikki Tuuri #include "buf0flu.h" #include "buf0rea.h" #include "btr0sea.h" +#include "ibuf0ibuf.h" #include "os0file.h" #include "page0zip.h" #include "log0recv.h" @@ -1321,6 +1322,10 @@ buf_LRU_free_block( ut_ad(!bpage->in_flush_list == !bpage->oldest_modification); UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); +#endif /* UNIV_IBUF_COUNT_DEBUG */ + if (!buf_page_can_relocate(bpage)) { /* Do not free buffer-fixed or I/O-fixed blocks. */ diff --git a/data/data0data.c b/data/data0data.c index 9b4262c5045..a9bdff0eb4e 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -534,9 +534,9 @@ dtuple_print( dfield_print_raw(f, dtuple_get_nth_field(tuple, i)); putc(';', f); + putc('\n', f); } - putc('\n', f); ut_ad(dtuple_validate(tuple)); } From fb78e61eb8e6125b1fbf277606acba08ad81a733 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 21 Nov 2008 14:37:52 +0000 Subject: [PATCH 087/400] branches/innodb+: Merge revisions 3177:3180 from branches/zip: ------------------------------------------------------------------------ r3180 | marko | 2008-11-21 16:36:18 +0200 (Fri, 21 Nov 2008) | 3 lines branches/zip: buf_LRU_free_block(): Do not assert on ibuf_count until after it has been determined that the block is not being I/O-fixed. This corrects the mistake that was made in r3177. ------------------------------------------------------------------------ --- buf/buf0lru.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 6390c99b74b..78937e46412 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1322,16 +1322,16 @@ buf_LRU_free_block( ut_ad(!bpage->in_flush_list == !bpage->oldest_modification); UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); -#endif /* UNIV_IBUF_COUNT_DEBUG */ - if (!buf_page_can_relocate(bpage)) { /* Do not free buffer-fixed or I/O-fixed blocks. */ return(BUF_LRU_NOT_FREED); } +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); +#endif /* UNIV_IBUF_COUNT_DEBUG */ + if (zip || !bpage->zip.data) { /* This would completely free the block. */ /* Do not completely free dirty blocks. */ From aaf4432c396e35fba0b5a14e8ec4c19601227f62 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 28 Nov 2008 14:58:51 +0000 Subject: [PATCH 088/400] branches/innodb+: Merge revisions 3180:3312 from branches/zip: ------------------------------------------------------------------------ r3254 | marko | 2008-11-24 18:01:42 +0200 (Mon, 24 Nov 2008) | 4 lines branches/zip: Note that it is legitimate for a secondary index record not to be found during purge. This tries to address Issue #129. The comments were supplied by Heikki. ------------------------------------------------------------------------ r3286 | marko | 2008-11-26 10:00:28 +0200 (Wed, 26 Nov 2008) | 18 lines branches/zip: row_merge_drop_temp_indexes(): Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the loop will actually be entered and temporary indexes be dropped during crash recovery. Thanks to Sunny Bains for pointing this out. Tested as follows: Set a breakpoint in row_merge_rename_indexes. CREATE TABLE t(a INT)ENGINE=InnoDB; CREATE INDEX a ON t(a); -- The breakpoint will be reached. Kill and restart mysqld. SHOW CREATE TABLE t; -- This shows the MySQL .frm file, without and index. CREATE TABLE innodb_table_monitor(a INT)ENGINE=InnoDB; -- This will dump the InnoDB dictionary to the error log, without the index. ------------------------------------------------------------------------ r3302 | vasil | 2008-11-27 23:26:39 +0200 (Thu, 27 Nov 2008) | 12 lines branches/zip: Fix Mantis issue#130 wdl: does not handle 64-bit address - Change the call from strtoul() to strtoull() - Change "%16X" to "%16llx" when scanning preferred load address rb://58 Submitted by: Calvin Approved by: Marko ------------------------------------------------------------------------ r3303 | vasil | 2008-11-27 23:31:18 +0200 (Thu, 27 Nov 2008) | 10 lines branches/zip: * Remove a change from win-plugin/win-plugin.diff about time_t because MySQL has used VS2005 for building 5.1.30. * Adjust the line numbers so the patch applies cleanly without fuzz and offset messages. Submitted by: Calvin ------------------------------------------------------------------------ r3304 | vasil | 2008-11-27 23:33:48 +0200 (Thu, 27 Nov 2008) | 6 lines branches/zip: Non-functional change in win-plugin/win-plugin.diff: fix the file name before the diff, this is irrelevant but it is nice to be the same as the file name on the following line. ------------------------------------------------------------------------ r3312 | marko | 2008-11-28 16:18:43 +0200 (Fri, 28 Nov 2008) | 5 lines branches/zip: row_undo_mod_del_mark_or_remove_sec_low(): Complain if the secondary index entry cannot be found, and this is not an incomplete transaction that is being rolled back in crash recovery. The source code comments were suggested by Heikki. ------------------------------------------------------------------------ --- ChangeLog | 7 +++++++ handler/win_delay_loader.cc | 10 +++++++--- include/row0uins.h | 4 +++- row/row0merge.c | 2 +- row/row0purge.c | 10 +++++++++- row/row0uins.c | 4 +++- row/row0umod.c | 29 ++++++++++++++++++++++++++++- win-plugin/win-plugin.diff | 15 ++------------- 8 files changed, 60 insertions(+), 21 deletions(-) diff --git a/ChangeLog b/ChangeLog index 0a4b01ef406..060747550b1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2008-11-26 The InnoDB Team + + * row/row0merge.c (row_merge_drop_temp_indexes): + Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that + the loop will actually be entered and temporary indexes be dropped + during crash recovery. + 2008-10-31 The InnoDB Team * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index 7cee5cf3f36..8b69f4a6e51 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -263,6 +263,11 @@ wdl_load_mapfile( char* func_addr; ulint load_addr = 0; ibool valid_load_addr = FALSE; +#ifdef _WIN64 + const char* tmp_string = " Preferred load address is %16llx"; +#else + const char* tmp_string = " Preferred load address is %08x"; +#endif fp = fopen(filename, "r"); if (fp == NULL) { @@ -285,8 +290,7 @@ wdl_load_mapfile( /* Search start of symbol list and get the preferred load address */ while (fgets(tmp_buf, sizeof(tmp_buf), fp)) { - if (sscanf(tmp_buf, " Preferred load address is %16X", - &load_addr) == 1) { + if (sscanf(tmp_buf, tmp_string, &load_addr) == 1) { valid_load_addr = TRUE; } @@ -338,7 +342,7 @@ wdl_load_mapfile( chain_header = map_cell; map_cell->symbol = strdup(func_name); - map_cell->value = strtoul(tmp_buf, NULL, 0) + map_cell->value = (ulint) strtoull(tmp_buf, NULL, 0) - load_addr; map_fold = ut_fold_string(map_cell->symbol); diff --git a/include/row0uins.h b/include/row0uins.h index 3d56cb68f37..91052505aad 100644 --- a/include/row0uins.h +++ b/include/row0uins.h @@ -20,7 +20,9 @@ Created 2/25/1997 Heikki Tuuri /*************************************************************** Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete -marked, at the time of the insert. */ +marked, at the time of the insert. InnoDB is eager in a rollback: +if it figures out that an index record will be removed in the purge +anyway, it will remove it in the rollback. */ UNIV_INTERN ulint row_undo_ins( diff --git a/row/row0merge.c b/row/row0merge.c index 634119b811e..6d9dfa9feb4 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1842,7 +1842,7 @@ row_merge_drop_temp_indexes(void) "WHERE SUBSTR(NAME,0,1)='\377' FOR UPDATE;\n" "BEGIN\n" "\tOPEN c;\n" - "\tWHILE 1 LOOP\n" + "\tWHILE 1=1 LOOP\n" "\t\tFETCH c INTO indexid;\n" "\t\tIF (SQL % NOTFOUND) THEN\n" "\t\t\tEXIT;\n" diff --git a/row/row0purge.c b/row/row0purge.c index 703ea904ffa..90017fdc009 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -230,7 +230,15 @@ row_purge_remove_sec_if_poss_low_nonbuffered( switch (search_result) { case ROW_NOT_FOUND: - /* Not found */ + /* Not found. This is a legitimate condition. In a + rollback, InnoDB will remove secondary recs that would + be purged anyway. Then the actual purge will not find + the secondary index record. Also, the purge itself is + eager: if it comes to consider a secondary index + record, and notices it does not need to exist in the + index, it will remove it. Then if/when the purge + comes to consider the secondary index record a second + time, it will not exist any more in the index. */ /* fputs("PURGE:........sec entry not found\n", stderr); */ /* dtuple_print(stderr, entry); */ diff --git a/row/row0uins.c b/row/row0uins.c index 75b46769c8c..846a897694c 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -277,7 +277,9 @@ row_undo_ins_parse_undo_rec( /*************************************************************** Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete -marked, at the time of the insert. */ +marked, at the time of the insert. InnoDB is eager in a rollback: +if it figures out that an index record will be removed in the purge +anyway, it will remove it in the rollback. */ UNIV_INTERN ulint row_undo_ins( diff --git a/row/row0umod.c b/row/row0umod.c index 65e72bc01a0..56aa1e98d18 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -314,8 +314,35 @@ row_undo_mod_del_mark_or_remove_sec_low( search_result = row_search_index_entry(index, entry, mode, &pcur, &mtr); - switch (search_result) { + switch (UNIV_EXPECT(search_result, ROW_FOUND)) { + trx_t* trx; case ROW_NOT_FOUND: + /* In crash recovery, the secondary index record may + be missing if the UPDATE did not have time to insert + the secondary index records before the crash. When we + are undoing that UPDATE in crash recovery, the record + may be missing. In normal processing, the record + SHOULD exist. */ + + trx = thr_get_trx(thr); + + if (!trx_is_recv(trx)) { + fputs("InnoDB: error in sec index entry del undo in\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + fputs("\n" + "InnoDB: tuple ", stderr); + dtuple_print(stderr, entry); + fputs("\n" + "InnoDB: record ", stderr); + rec_print(stderr, btr_pcur_get_rec(&pcur), index); + putc('\n', stderr); + trx_print(stderr, trx, 0); + fputs("\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", stderr); + } + err = DB_SUCCESS; goto func_exit; case ROW_FOUND: diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff index 760b184a8fe..a9e067c6ee5 100644 --- a/win-plugin/win-plugin.diff +++ b/win-plugin/win-plugin.diff @@ -1,18 +1,7 @@ diff -Nur CMakeLists.txt.orig CMakeLists.txt --- CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 +++ CMakeLists.txt 2008-09-26 17:32:51 -05:00 -@@ -97,6 +97,10 @@ - IF(CYBOZU) - ADD_DEFINITIONS(-DCYBOZU) - ENDIF(CYBOZU) -+# Checks for 32-bit version. And always use 32-bit time_t for compatibility -+IF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 4) -+ ADD_DEFINITIONS(-D_USE_32BIT_TIME_T) -+ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 4) - - # in some places we use DBUG_OFF - SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DDBUG_OFF") -@@ -246,9 +250,9 @@ +@@ -244,9 +244,9 @@ IF(WITH_FEDERATED_STORAGE_ENGINE) ADD_SUBDIRECTORY(storage/federated) ENDIF(WITH_FEDERATED_STORAGE_ENGINE) @@ -149,7 +138,7 @@ diff -Nur sql/mysqld.def.orig sql/mysqld.def + localtime_r + my_strdup -diff -Nur ../old/sql/mysqld_x64.def.orig ./sql/mysqld_x64.def +diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def --- sql/mysqld_x64.def.orig 1969-12-31 18:00:00 -06:00 +++ sql/mysqld_x64.def 2008-10-31 02:22:04 -05:00 @@ -0,0 +1,99 @@ From b7721c14e0a86fdcab5a47f71df47e63348e1747 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 1 Dec 2008 09:37:07 +0000 Subject: [PATCH 089/400] branches/innodb+: ibuf_get_volume_buffered_count(), ibuf_get_volume_buffered(): Make n_recs signed. When the records are processed backwards and the last buffered operations are deletes, this allows *n_recs to become negative, as it should. This should finally put Issue #117 to rest. --- ibuf/ibuf0ibuf.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 68f4b47b892..0f594718460 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2575,7 +2575,7 @@ ibuf_get_volume_buffered_count( const rec_t* rec, /* in: insert buffer record */ byte* hash, /* in/out: hash array */ ulint size, /* in: size of hash array, in bytes */ - ulint* n_recs) /* in/out: estimated number of records + lint* n_recs) /* in/out: estimated number of records on the page that rec points to */ { ulint len; @@ -2647,7 +2647,7 @@ ibuf_get_volume_buffered_count( break; case IBUF_OP_DELETE: /* A record will be removed from the page. */ - if (n_recs && *n_recs > 0) { + if (n_recs) { (*n_recs)--; } /* While deleting a record actually frees up space, @@ -2698,7 +2698,7 @@ ibuf_get_volume_buffered( or BTR_MODIFY_TREE */ ulint space, /* in: space id */ ulint page_no,/* in: page number of an index page */ - ulint* n_recs, /* in/out: minimum number of records on the + lint* n_recs, /* in/out: minimum number of records on the page after the buffered changes have been applied, or NULL to disable the counting */ mtr_t* mtr) /* in: mtr */ @@ -3154,7 +3154,7 @@ ibuf_insert_low( dtuple_t* ibuf_entry; mem_heap_t* heap; ulint buffered; - ulint min_n_recs; + lint min_n_recs; rec_t* ins_rec; ibool old_bit_value; page_t* bitmap_page; From e631cd6a6b740448ebd42837141729a262f63c5c Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 1 Dec 2008 16:52:16 +0000 Subject: [PATCH 090/400] branches/innodb+: row_purge_remove_sec_if_poss_low(): If the index entry does not exist, return TRUE without retrying unbuffered operation (which should notice the same). --- row/row0purge.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/row/row0purge.c b/row/row0purge.c index 90017fdc009..f257d84f3e3 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -401,7 +401,11 @@ row_purge_remove_sec_if_poss_low( switch (search_result) { case ROW_NOT_FOUND: + /* Index entry does not exist, nothing to do. */ + return(TRUE); case ROW_FOUND: + /* The index entry exists and is in the buffer pool; + no need to use the insert/delete buffer. */ break; case ROW_BUFFERED: From b505039028f8fe7ba1c72d560597d6a73bb6bab4 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 3 Dec 2008 13:34:51 +0000 Subject: [PATCH 091/400] branches/innodb+: Remove redundant buf_pool_watch_notify() calls after buf_page_init(). --- buf/buf0buf.c | 2 -- ibuf/ibuf0ibuf.c | 28 +++++++++++++++++++--------- 2 files changed, 19 insertions(+), 11 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 29fbe382d6a..ef9bd2a0164 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2732,7 +2732,6 @@ err_exit2: mutex_enter(&block->mutex); buf_page_init(space, offset, block); - buf_pool_watch_notify(space, offset); /* The block must be put to the LRU list, to the old blocks */ buf_LRU_add_block(bpage, TRUE/* to old blocks */); @@ -2909,7 +2908,6 @@ buf_page_create( mutex_enter(&block->mutex); buf_page_init(space, offset, block); - buf_pool_watch_notify(space, offset); /* The block must be put to the LRU list */ buf_LRU_add_block(&block->page, FALSE); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 0f594718460..a9e10184009 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3249,14 +3249,6 @@ ibuf_insert_low( btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); - /* Don't buffer deletes if the page has been read in to the buffer - pool. */ - if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { - err = DB_STRONG_FAIL; - - goto function_exit; - } - /* Find out the volume of already buffered inserts for the same index page */ min_n_recs = 0; @@ -3334,13 +3326,25 @@ ibuf_insert_low( bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, &bitmap_mtr); + /* Don't buffer deletes if the page has been read in to the buffer + pool. */ + if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { + err = DB_STRONG_FAIL; + + mtr_commit(&bitmap_mtr); + + goto function_exit; + } + if (!old_bit_value) { ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, TRUE, &bitmap_mtr); } - mtr_commit(&bitmap_mtr); + if (op != IBUF_OP_DELETE) { + mtr_commit(&bitmap_mtr); + } cursor = btr_pcur_get_btr_cur(&pcur); @@ -3377,6 +3381,12 @@ ibuf_insert_low( ibuf_size_update(root, &mtr); } + if (op == IBUF_OP_DELETE) { + ut_a(!buf_pool_watch_occurred(space, page_no)); + + mtr_commit(&bitmap_mtr); + } + function_exit: #ifdef UNIV_IBUF_COUNT_DEBUG if (err == DB_SUCCESS) { From b4d38947d7a20f58c7e1d9367b7effdaab43e5ae Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 3 Dec 2008 13:37:08 +0000 Subject: [PATCH 092/400] branches/innodb+: ibuf_insert_low(): Revert the changes that were accidentally committed in r3350. The changes were a failed attempt to fix Issue #126. --- ibuf/ibuf0ibuf.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index a9e10184009..0f594718460 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3249,6 +3249,14 @@ ibuf_insert_low( btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); + /* Don't buffer deletes if the page has been read in to the buffer + pool. */ + if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { + err = DB_STRONG_FAIL; + + goto function_exit; + } + /* Find out the volume of already buffered inserts for the same index page */ min_n_recs = 0; @@ -3326,25 +3334,13 @@ ibuf_insert_low( bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, &bitmap_mtr); - /* Don't buffer deletes if the page has been read in to the buffer - pool. */ - if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { - err = DB_STRONG_FAIL; - - mtr_commit(&bitmap_mtr); - - goto function_exit; - } - if (!old_bit_value) { ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, IBUF_BITMAP_BUFFERED, TRUE, &bitmap_mtr); } - if (op != IBUF_OP_DELETE) { - mtr_commit(&bitmap_mtr); - } + mtr_commit(&bitmap_mtr); cursor = btr_pcur_get_btr_cur(&pcur); @@ -3381,12 +3377,6 @@ ibuf_insert_low( ibuf_size_update(root, &mtr); } - if (op == IBUF_OP_DELETE) { - ut_a(!buf_pool_watch_occurred(space, page_no)); - - mtr_commit(&bitmap_mtr); - } - function_exit: #ifdef UNIV_IBUF_COUNT_DEBUG if (err == DB_SUCCESS) { From 396b13f9184e5bdaf31a4ccce11cfb61b9e5724a Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 4 Dec 2008 08:09:40 +0000 Subject: [PATCH 093/400] branches/innodb+: ibuf_insert_low(): Remove a race condition related to buf_pool_watch_occurred() and add explaining comments. --- ibuf/ibuf0ibuf.c | 36 +++++++++++++++++++++++------------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 0f594718460..c4afc5bea32 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3249,14 +3249,6 @@ ibuf_insert_low( btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); - /* Don't buffer deletes if the page has been read in to the buffer - pool. */ - if (op == IBUF_OP_DELETE && buf_pool_watch_occurred(space, page_no)) { - err = DB_STRONG_FAIL; - - goto function_exit; - } - /* Find out the volume of already buffered inserts for the same index page */ min_n_recs = 0; @@ -3265,12 +3257,30 @@ ibuf_insert_low( ? &min_n_recs : NULL, &mtr); - if (op == IBUF_OP_DELETE && min_n_recs < 2) { - /* The page could become empty after the record is - deleted. Refuse to buffer the operation. */ - err = DB_STRONG_FAIL; + if (op == IBUF_OP_DELETE) { + if (min_n_recs < 2 + || buf_pool_watch_occurred(space, page_no)) { + /* The page could become empty after the + record is deleted, or the page has been read + in to the buffer pool. Refuse to buffer the + operation. */ + err = DB_STRONG_FAIL; - goto function_exit; + goto function_exit; + } + + /* The buffer pool watch is needed for IBUF_OP_DELETE + because of latching order considerations. We can + check buf_pool_watch_occurred() only after latching + the insert buffer B-tree pages that contain buffered + changes for the page. We never buffer IBUF_OP_DELETE, + unless some IBUF_OP_INSERT or IBUF_OP_DELETE_MARK have + been previously buffered for the page. Because there + are buffered operations for the page, the insert + buffer B-tree page latches held by mtr will guarantee + that no changes for the user page will be merged + before mtr_commit(&mtr). We must not mtr_commit(&mtr) + until after the IBUF_OP_DELETE has been buffered. */ } #ifdef UNIV_IBUF_COUNT_DEBUG From c88ae401839ab066d1561ad3908c7396abbad4b1 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Thu, 4 Dec 2008 08:19:12 +0000 Subject: [PATCH 094/400] branches/innodb+ issue#115 This is to fix issues introduced by recovery enhancements committed through r2993. The fix is to update flush_rbt whenever flush_list is manipulated because of buf_page/buf_block relocation. rb://54 Reviewed by: Marko --- buf/buf0buddy.c | 2 ++ buf/buf0buf.c | 23 +++--------- buf/buf0flu.c | 92 ++++++++++++++++++++++++++++++++++++++++++----- buf/buf0lru.c | 22 ++---------- include/buf0flu.h | 10 ++++++ 5 files changed, 103 insertions(+), 46 deletions(-) diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 9b50df28508..e7ffd7e64b7 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -365,6 +365,8 @@ buf_buddy_relocate_block( UT_LIST_ADD_FIRST(list, buf_pool->zip_clean, dpage); } + UNIV_MEM_INVALID(bpage, sizeof *bpage); + mutex_exit(&buf_pool_zip_mutex); return(TRUE); } diff --git a/buf/buf0buf.c b/buf/buf0buf.c index ef9bd2a0164..4b4355033cb 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1070,8 +1070,6 @@ buf_relocate( HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, dpage); - - UNIV_MEM_INVALID(bpage, sizeof *bpage); } /************************************************************************ @@ -2047,22 +2045,8 @@ wait_until_unfixed: ut_ad(!block->page.in_flush_list); } else { /* Relocate buf_pool->flush_list. */ - buf_page_t* b; - - b = UT_LIST_GET_PREV(list, &block->page); - ut_ad(block->page.in_flush_list); - UT_LIST_REMOVE(list, buf_pool->flush_list, - &block->page); - - if (b) { - UT_LIST_INSERT_AFTER( - list, buf_pool->flush_list, b, - &block->page); - } else { - UT_LIST_ADD_FIRST( - list, buf_pool->flush_list, - &block->page); - } + buf_flush_relocate_on_flush_list(bpage, + &block->page); } /* Buffer-fix, I/O-fix, and X-latch the block @@ -2077,6 +2061,9 @@ wait_until_unfixed: buf_block_set_io_fix(block, BUF_IO_READ); buf_pool->n_pend_unzip++; rw_lock_x_lock(&block->lock); + + UNIV_MEM_INVALID(bpage, sizeof *bpage); + mutex_exit(&block->mutex); mutex_exit(&buf_pool_zip_mutex); diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 5def9bb7ce7..d945061ca01 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -378,7 +378,6 @@ buf_flush_remove( ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(bpage->in_flush_list); - ut_d(bpage->in_flush_list = FALSE); switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: @@ -405,11 +404,76 @@ buf_flush_remove( buf_flush_delete_from_flush_rbt(bpage); } + /* Must be done after we have removed it from the flush_rbt + because we assert on in_flush_list in comparison function. */ + ut_d(bpage->in_flush_list = FALSE); + bpage->oldest_modification = 0; ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list)); } +/*********************************************************************** +Relocates a buffer control block on the flush_list. +Note that it is assumed that the contents of bpage has already been +copied to dpage. */ +UNIV_INTERN +void +buf_flush_relocate_on_flush_list( +/*=============================*/ + buf_page_t* bpage, /* in/out: control block being moved */ + buf_page_t* dpage) /* in/out: destination block */ +{ + buf_page_t* prev; + buf_page_t* prev_b = NULL; + + ut_ad(buf_pool_mutex_own()); + + ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_page_in_file(dpage)); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(buf_page_get_state(dpage) != BUF_BLOCK_FILE_PAGE + || mutex_own(buf_page_get_mutex(dpage))); + + ut_ad(bpage->in_flush_list); + ut_ad(dpage->in_flush_list); + + /* If recovery is active we must swap the control blocks in + the flush_rbt as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_delete_from_flush_rbt(bpage); + prev_b = buf_flush_insert_in_flush_rbt(dpage); + } + + /* Must be done after we have removed it from the flush_rbt + because we assert on in_flush_list in comparison function. */ + ut_d(bpage->in_flush_list = FALSE); + + prev = UT_LIST_GET_PREV(list, bpage); + UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); + + if (prev) { + ut_ad(prev->in_flush_list); + UT_LIST_INSERT_AFTER( + list, + buf_pool->flush_list, + prev, dpage); + } else { + UT_LIST_ADD_FIRST( + list, + buf_pool->flush_list, + dpage); + } + + /* Just an extra check. Previous in flush_list + should be the same control block as in flush_rbt. */ + ut_a(!buf_pool->flush_rbt || prev_b == prev); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +} + /************************************************************************ Updates the flush system data structures when a write is completed. */ UNIV_INTERN @@ -1426,25 +1490,33 @@ buf_flush_validate_low(void) /*========================*/ /* out: TRUE if ok */ { - buf_page_t* bpage; + buf_page_t* bpage; + const ib_rbt_node_t* rnode = NULL; UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list); bpage = UT_LIST_GET_FIRST(buf_pool->flush_list); + /* If we are in recovery mode i.e.: flush_rbt != NULL + then each block in the flush_list must also be present + in the flush_rbt. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + rnode = rbt_first(buf_pool->flush_rbt); + } + while (bpage != NULL) { const ib_uint64_t om = bpage->oldest_modification; ut_ad(bpage->in_flush_list); ut_a(buf_page_in_file(bpage)); ut_a(om > 0); - /* If we are in recovery mode i.e.: flush_rbt != NULL - then each block in the flush_list must also be present - in the flush_rbt. */ if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - ut_a(*rbt_value(buf_page_t*, - rbt_lookup(buf_pool->flush_rbt, &bpage)) - == bpage); + ut_a(rnode); + buf_page_t* rpage = *rbt_value(buf_page_t*, + rnode); + ut_a(rpage); + ut_a(rpage == bpage); + rnode = rbt_next(buf_pool->flush_rbt, rnode); } bpage = UT_LIST_GET_NEXT(list, bpage); @@ -1452,6 +1524,10 @@ buf_flush_validate_low(void) ut_a(!bpage || om >= bpage->oldest_modification); } + /* By this time we must have exhausted the traversal of + flush_rbt (if active) as well. */ + ut_a(rnode == NULL); + return(TRUE); } diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 78937e46412..760a0c89575 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1461,26 +1461,8 @@ alloc: if (b->state == BUF_BLOCK_ZIP_PAGE) { buf_LRU_insert_zip_clean(b); } else { - buf_page_t* prev; - - ut_ad(b->in_flush_list); - ut_d(bpage->in_flush_list = FALSE); - - prev = UT_LIST_GET_PREV(list, b); - UT_LIST_REMOVE(list, buf_pool->flush_list, b); - - if (prev) { - ut_ad(prev->in_flush_list); - UT_LIST_INSERT_AFTER( - list, - buf_pool->flush_list, - prev, b); - } else { - UT_LIST_ADD_FIRST( - list, - buf_pool->flush_list, - b); - } + /* Relocate on buf_pool->flush_list. */ + buf_flush_relocate_on_flush_list(bpage, b); } bpage->zip.data = NULL; diff --git a/include/buf0flu.h b/include/buf0flu.h index da497899a2c..da02f3c915b 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -28,6 +28,16 @@ void buf_flush_remove( /*=============*/ buf_page_t* bpage); /* in: pointer to the block in question */ +/*********************************************************************** +Relocates a buffer control block on the flush_list. +Note that it is assumed that the contents of bpage has already been +copied to dpage. */ +UNIV_INTERN +void +buf_flush_relocate_on_flush_list( +/*=============================*/ + buf_page_t* bpage, /* in/out: control block being moved */ + buf_page_t* dpage); /* in/out: destination block */ /************************************************************************ Updates the flush system data structures when a write is completed. */ UNIV_INTERN From 798a26a9e81f1dac29b1f128748de63d9bcef0c7 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Thu, 4 Dec 2008 19:51:29 +0000 Subject: [PATCH 095/400] branches/innodb+ I have added some too strict assertions on Marko's suggestion in r3355. This patch removes those assertions. --- buf/buf0flu.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/buf/buf0flu.c b/buf/buf0flu.c index d945061ca01..5e1f2f3d29c 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -429,11 +429,7 @@ buf_flush_relocate_on_flush_list( ut_ad(buf_pool_mutex_own()); - ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_page_in_file(dpage)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_ad(buf_page_get_state(dpage) != BUF_BLOCK_FILE_PAGE - || mutex_own(buf_page_get_mutex(dpage))); ut_ad(bpage->in_flush_list); ut_ad(dpage->in_flush_list); From db6b897295a91245ee098f94adf21e60e67900f6 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 4 Dec 2008 21:56:21 +0000 Subject: [PATCH 096/400] branches/innodb+: btr_cur_t: Remove leaf_in_buf_pool. The flag can be determined from flag == BTR_CUR_ABORTED. This flag value was previously never tested for. It was only assigned to, in the only place where leaf_in_buf_pool would be set FALSE. btr_cur_search_to_nth_level(): Do not initialize cursor->leaf_in_buf_pool. btr_pcur_was_buffered(): Remove. The only caller, row_search_index_entry(), will switch (cursor->flag) and handle BTR_CUR_ABORTED as well. row_purge_remove_sec_if_poss_low(): Remove the assertions on leaf_in_buf_pool. --- btr/btr0cur.c | 16 +++------------- include/btr0btr.h | 2 +- include/btr0cur.h | 5 ----- include/btr0pcur.h | 10 ---------- include/btr0pcur.ic | 22 ---------------------- row/row0purge.c | 8 -------- row/row0row.c | 17 ++++++++--------- 7 files changed, 12 insertions(+), 68 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 79bc7e0a136..b5e4cbfcb80 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -385,7 +385,6 @@ btr_cur_search_to_nth_level( cursor->flag = BTR_CUR_BINARY; cursor->index = index; - cursor->leaf_in_buf_pool = FALSE; cursor->ibuf_cnt = ULINT_UNDEFINED; #ifndef BTR_CUR_ADAPT @@ -532,18 +531,14 @@ retry_page_get: space, zip_size, page_no, rw_latch, guess, buf_mode, __FILE__, __LINE__, mtr); - if (watch_leaf && height == 0) { - cursor->leaf_in_buf_pool = !!block; - - /* We didn't find a page but we set a watch on it. */ - if (block == NULL) { + if (block == NULL) { + if (watch_leaf && height == 0) { + /* We didn't find a page but we set a watch on it. */ cursor->flag = BTR_CUR_ABORTED; goto func_exit; } - } - if (block == NULL) { /* This must be a search to perform an insert/delete mark/ delete; try using the insert/delete buffer */ @@ -626,11 +621,6 @@ retry_page_get: root_height = height; cursor->tree_height = root_height + 1; - /* 1-level trees must be handled here - for BTR_WATCH_LEAF. */ - if (watch_leaf && height == 0) { - cursor->leaf_in_buf_pool = TRUE; - } #ifdef BTR_CUR_ADAPT if (block != guess) { info->root_guess = block; diff --git a/include/btr0btr.h b/include/btr0btr.h index e1ab4744f48..c84e529a2e1 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -66,7 +66,7 @@ buffer. */ #define BTR_DELETE 8192 /* If the leaf page is not in the buffer pool: don't read it in, set -cursor->leaf_in_buf_pool to FALSE, and set buf_pool_t::watch_* that +cursor->flag = BTR_CUR_ABORTED, and set buf_pool_t::watch_* that watches for the page to get read in. */ #define BTR_WATCH_LEAF 16384 diff --git a/include/btr0cur.h b/include/btr0cur.h index 659a75bbb37..8281e55274a 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -674,11 +674,6 @@ struct btr_cur_struct { node pointer had the 'minimum record' flag set), this is ULINT_UNDEFINED. */ - ibool leaf_in_buf_pool; - /* TRUE if the leaf page is in - the buffer pool while searching - with BTR_WATCH_LEAF; FALSE - otherwise. */ /*------------------------------*/ btr_path_t* path_arr; /* in estimating the number of rows in range, we store in this array diff --git a/include/btr0pcur.h b/include/btr0pcur.h index 1b25af0b9ae..b38decb6031 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -79,16 +79,6 @@ btr_pcur_open( btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ mtr_t* mtr); /* in: mtr */ /****************************************************************** -Check if an operation was buffered. */ -UNIV_INLINE -ibool -btr_pcur_was_buffered( -/*==================*/ - /* out: TRUE if the operation was buffered - in the insert/delete buffer */ - const btr_pcur_t* cursor); - /* in: persistent cursor */ -/****************************************************************** Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index 7dff691b8ab..b4325249011 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -506,28 +506,6 @@ btr_pcur_open( cursor->trx_if_known = NULL; } -/****************************************************************** -Check if an operation was buffered. */ -UNIV_INLINE -ibool -btr_pcur_was_buffered( -/*==================*/ - /* out: TRUE if the operation was buffered - in the insert/delete buffer */ - const btr_pcur_t* cursor) - /* in: persistent cursor */ -{ - const btr_cur_t* btr_cursor; - - /* Look in the tree cursor */ - - btr_cursor = btr_pcur_get_btr_cur(cursor); - - return((btr_cursor->flag == BTR_CUR_DEL_MARK_IBUF) - || (btr_cursor->flag == BTR_CUR_DELETE_IBUF) - || (btr_cursor->flag == BTR_CUR_INSERT_TO_IBUF)); -} - /****************************************************************** Opens an persistent cursor to an index tree without initializing the cursor. */ diff --git a/row/row0purge.c b/row/row0purge.c index f257d84f3e3..05c2f4051e7 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -314,9 +314,6 @@ row_purge_remove_sec_if_poss_low( { mtr_t mtr; btr_pcur_t pcur; -#ifdef UNIV_DEBUG - ibool leaf_in_buf_pool; -#endif /* UNIV_DEBUG */ ibool old_has = FALSE; enum row_search_result search_result; @@ -335,21 +332,17 @@ row_purge_remove_sec_if_poss_low( search_result = row_search_index_entry( index, entry, BTR_SEARCH_LEAF | BTR_WATCH_LEAF, &pcur, &mtr); - ut_d(leaf_in_buf_pool = btr_pcur_get_btr_cur(&pcur)->leaf_in_buf_pool); - btr_pcur_close(&pcur); mtr_commit(&mtr); switch (search_result) { case ROW_NOT_FOUND: /* Index entry does not exist, nothing to do. */ - ut_ad(leaf_in_buf_pool); return(TRUE); case ROW_FOUND: /* The index entry exists and is in the buffer pool; no need to use the insert/delete buffer. */ - ut_ad(leaf_in_buf_pool); goto unbuffered; case ROW_BUFFERED: @@ -359,7 +352,6 @@ row_purge_remove_sec_if_poss_low( ut_error; case ROW_NOT_IN_POOL: - ut_ad(!leaf_in_buf_pool); break; } diff --git a/row/row0row.c b/row/row0row.c index cb72262ca80..d86fdbfb92d 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -801,18 +801,17 @@ row_search_index_entry( btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); - if (btr_pcur_was_buffered(pcur)) { - - return(ROW_BUFFERED); - } - - if ((mode & BTR_WATCH_LEAF) - && !btr_pcur_get_btr_cur(pcur)->leaf_in_buf_pool) { - + switch (btr_pcur_get_btr_cur(pcur)->flag) { + case BTR_CUR_ABORTED: /* We did not read in the leaf page, thus we can't have found anything. */ - + ut_a(mode & BTR_WATCH_LEAF); return(ROW_NOT_IN_POOL); + + case BTR_CUR_DEL_MARK_IBUF: + case BTR_CUR_DELETE_IBUF: + case BTR_CUR_INSERT_TO_IBUF: + return(ROW_BUFFERED); } low_match = btr_pcur_get_low_match(pcur); From a6dadf36573230f1f8f53ff85b518a6a1a6a778c Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 9 Dec 2008 11:09:06 +0000 Subject: [PATCH 097/400] branches/innodb+: Merge revisions 3312:3459 from branches/zip: ------------------------------------------------------------------------ r3328 | marko | 2008-12-02 10:16:05 +0200 (Tue, 02 Dec 2008) | 7 lines branches/zip: page_cur_insert_rec_zip(): When allocating insert_buf from the free list, zero out the DB_TRX_ID and DB_ROLL_PTR of the deleted record if the new record would not overwrite these fields. This fixes a harmless content mismatch reported by page_zip_validate() that was reported as Issue #111. rb://55 approved by Sunny Bains. ------------------------------------------------------------------------ r3329 | vasil | 2008-12-02 12:03:17 +0200 (Tue, 02 Dec 2008) | 4 lines branches/zip: Add entry in the ChangeLog for the release of 1.0.2. ------------------------------------------------------------------------ r3331 | vasil | 2008-12-02 12:09:20 +0200 (Tue, 02 Dec 2008) | 5 lines branches/zip: Remove an entry from the ChnageLog for a change that was made before the release of 1.0.2 but was not included in that release. ------------------------------------------------------------------------ r3333 | vasil | 2008-12-02 12:11:54 +0200 (Tue, 02 Dec 2008) | 4 lines branches/zip: Now that 1.0.2 is out, the current tree is version 1.0.3. ------------------------------------------------------------------------ r3336 | vasil | 2008-12-02 13:34:36 +0200 (Tue, 02 Dec 2008) | 5 lines branches/zip: Resurrect a ChangeLog entry that I removed in c3331 with a fake date so it does not appear that it has been included in 1.0.2. ------------------------------------------------------------------------ r3361 | vasil | 2008-12-04 18:10:08 +0200 (Thu, 04 Dec 2008) | 9 lines branches/zip: Fix Mantis issue#103 mysql_addons.c depends on THD internals - please remove it Use MySQL's thd_get_thread_id() instead of our own ib_thd_get_thread_id() since MySQL implemented the former, see http://bugs.mysql.com/30930. Approved by: Marko (https://svn.innodb.com/rb/r/40, rb://40) ------------------------------------------------------------------------ r3362 | vasil | 2008-12-04 18:49:24 +0200 (Thu, 04 Dec 2008) | 15 lines branches/zip: Revert our temporary fix for Bug#40360 Binlog related errors with binlog off This bug was fixed in MySQL code. Our fix went into r2944 and r2947, but this patch does not entirely revert those revisions because we want to leave the test case that was introduced and also r2944 itself reverted r2935 and r2936. So if we completely revert r2944 and r2947 then we would loose the test and will restore r2935 and r2936. This resolves Issue#108 We should remove ib_bin_log_is_engaged() once mysql add an equivallent, see Bug#40360 ------------------------------------------------------------------------ r3404 | marko | 2008-12-05 10:02:54 +0200 (Fri, 05 Dec 2008) | 5 lines branches/zip: row_undo_mod_del_mark_or_remove_sec_low(): Do not complain if the record is not found. Explain that this is possible when a deadlock occurs during an update. Heikki investigated this in Issue #134. ------------------------------------------------------------------------ r3432 | marko | 2008-12-08 14:14:01 +0200 (Mon, 08 Dec 2008) | 4 lines branches/zip: ibuf_merge_or_delete_for_page(): Remove the redundant checks for ibuf_fixed_addr_page() || fsp_descr_page(). The one at the beginning of the function is enough. ------------------------------------------------------------------------ r3456 | marko | 2008-12-09 10:31:26 +0200 (Tue, 09 Dec 2008) | 3 lines branches/zip: row_purge_remove_sec_if_poss_low(): Allocate mtr_vers from the stack, not with mem_alloc(). ------------------------------------------------------------------------ r3459 | vasil | 2008-12-09 11:49:03 +0200 (Tue, 09 Dec 2008) | 152 lines branches/zip: Merge 2929:3458 from branches/5.1 (resolving conflict in c3257, note also that r3363 reverted r2933 so there are not changes in mysql-test/innodb-autoinc.result with the current merge): ------------------------------------------------------------------------ r2933 | calvin | 2008-10-30 02:57:31 +0200 (Thu, 30 Oct 2008) | 10 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result branches/5.1: correct the result file innodb-autoinc.result Change the followings: auto_increment_increment auto_increment_offset to auto-increment-increment auto-increment-offset ------------------------------------------------------------------------ r2981 | marko | 2008-11-07 14:54:10 +0200 (Fri, 07 Nov 2008) | 5 lines Changed paths: M /branches/5.1/row/row0mysql.c branches/5.0: row_mysql_store_col_in_innobase_format(): Correct a misleading comment. In the UTF-8 encoding, ASCII takes 1 byte per character, while the "latin1" character set (normally ISO-8859-1, but in MySQL it actually refers to the Windows Code Page 1252 a.k.a. CP1252, WinLatin1) takes 1 to 3 bytes (1 to 2 bytes for the ISO-8859-1 subset). ------------------------------------------------------------------------ r3114 | calvin | 2008-11-14 20:31:48 +0200 (Fri, 14 Nov 2008) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: fix bug#40386: Not flushing query cache after truncate ha_statistics.records can not be 0 unless the table is empty, set to 1 instead. The original problem of bug#29507 is fixed in the server. Additional test was done with the fix of bug#29507 in the server. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r3257 | inaam | 2008-11-24 22:06:50 +0200 (Mon, 24 Nov 2008) | 13 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/srv/srv0srv.c M /branches/5.1/trx/trx0trx.c branches/5.1 bug#40760 The config param innodb_thread_concurrency is dynamically set and is read when a thread enters/exits innodb. If the value is changed between the enter and exit time the behaviour becomes erratic. The fix is not to use srv_thread_concurrency when exiting, instead use the flag trx->declared_to_be_inside_innodb. rb://57 Approved by: Marko ------------------------------------------------------------------------ r3363 | calvin | 2008-12-04 19:00:20 +0200 (Thu, 04 Dec 2008) | 13 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result branches/5.1: revert the changes in r2933 The changes in r2933 causes test failure on Linux. More investigation is needed for Windows. Change the followings in innodb-autoinc.result: auto-increment-increment auto-increment-offset back to: auto_increment_increment auto_increment_offset ------------------------------------------------------------------------ r3412 | vasil | 2008-12-05 10:46:18 +0200 (Fri, 05 Dec 2008) | 7 lines Changed paths: M /branches/5.1/trx/trx0undo.c branches/5.1: Add the traditional 2 spaces after the timestamp so the message does not look like: 070223 13:26:01InnoDB: Warning: canno.... ------------------------------------------------------------------------ r3458 | vasil | 2008-12-09 11:21:08 +0200 (Tue, 09 Dec 2008) | 51 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug34300.test branches/5.1: Merge a change from MySQL to fix the failing innodb_bug34300 mysql-test: main.innodb_bug34300 [ fail ] mysqltest: At line 11: query 'SET @@max_allowed_packet=16777216' failed: 1621: SESSION variable 'max_allowed_packet' is read-only. Use SET GLOBAL to assign the value Aborting: main.innodb_bug34300 failed in default mode. The changeset is this: ------------------------------------------------------------ revno: 2709.1.10 committer: Staale Smedseng branch nick: b22891-51-bugteam timestamp: Thu 2008-11-20 08:51:48 +0100 message: A fix for Bug#22891 "session level max_allowed_packet can be set but is ignored". This patch makes @@session.max_allowed_packed and @@session.net_buffer_length read-only as suggested in the bug report. The user will have to use SET GLOBAL (and reconnect) to alter the session values of these variables. The error string ER_VARIABLE_IS_READONLY is introduced. Tests are modified accordingly. modified: mysql-test/r/func_compress.result mysql-test/r/max_allowed_packet_basic.result mysql-test/r/max_allowed_packet_func.result mysql-test/r/net_buffer_length_basic.result mysql-test/r/packet.result mysql-test/r/union.result mysql-test/r/variables.result mysql-test/t/func_compress.test mysql-test/t/innodb_bug34300.test mysql-test/t/max_allowed_packet_basic.test mysql-test/t/max_allowed_packet_func.test mysql-test/t/net_buffer_length_basic.test mysql-test/t/packet.test mysql-test/t/union.test mysql-test/t/variables.test sql/set_var.cc sql/set_var.h sql/share/errmsg.txt ------------------------------------------------------------ ------------------------------------------------------------------------ ------------------------------------------------------------------------ --- ChangeLog | 8 +++++-- handler/ha_innodb.cc | 17 +++++++------- handler/mysql_addons.cc | 26 ---------------------- ibuf/ibuf0ibuf.c | 29 +++++------------------- include/mysql_addons.h | 31 -------------------------- include/univ.i | 2 +- mysql-test/innodb_bug34300.test | 4 +++- page/page0cur.c | 39 +++++++++++++++++++++++++++++++-- row/row0mysql.c | 2 +- row/row0purge.c | 14 +++++------- row/row0umod.c | 25 ++++----------------- srv/srv0srv.c | 18 +++++++-------- trx/trx0i_s.c | 2 +- trx/trx0trx.c | 4 ++++ trx/trx0undo.c | 2 +- win-plugin/win-plugin.diff | 10 ++++----- 16 files changed, 90 insertions(+), 143 deletions(-) diff --git a/ChangeLog b/ChangeLog index 060747550b1..c747cce1cc4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,10 +1,14 @@ -2008-11-26 The InnoDB Team +2008-12-02 The InnoDB Team - * row/row0merge.c (row_merge_drop_temp_indexes): + * row/row0merge.c: Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the loop will actually be entered and temporary indexes be dropped during crash recovery. +2008-12-01 The InnoDB Team + + InnoDB Plugin 1.0.2 released + 2008-10-31 The InnoDB Team * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 6beb0eb0ab4..9cc0fcff20a 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -70,7 +70,6 @@ extern "C" { #include "ha_innodb.h" #include "i_s.h" #include "handler0vars.h" -#include "mysql_addons.h" #ifndef MYSQL_SERVER /* This is needed because of Bug #3596. Let us hope that pthread_mutex_t @@ -549,7 +548,7 @@ innodb_srv_conc_exit_innodb( /*========================*/ trx_t* trx) /* in: transaction handle */ { - if (UNIV_LIKELY(!srv_thread_concurrency)) { + if (UNIV_LIKELY(!trx->declared_to_be_inside_innodb)) { return; } @@ -6901,11 +6900,13 @@ ha_innobase::info( n_rows++; } - /* Fix bug#29507: TRUNCATE shows too many rows affected. - Do not show the estimates for TRUNCATE command. */ + /* Fix bug#40386: Not flushing query cache after truncate. + n_rows can not be 0 unless the table is empty, set to 1 + instead. The original problem of bug#29507 is actually + fixed in the server code. */ if (thd_sql_command(user_thd) == SQLCOM_TRUNCATE) { - n_rows = 0; + n_rows = 1; /* We need to reset the prebuilt value too, otherwise checks for values greater than the last value written @@ -7672,12 +7673,12 @@ ha_innobase::external_lock( READ UNCOMMITTED and READ COMMITTED since the necessary locks cannot be taken. In this case, we print an informative error message and return with an error. */ - if (lock_type == F_WRLCK && ib_bin_log_is_engaged(thd)) + if (lock_type == F_WRLCK) { ulong const binlog_format= thd_binlog_format(thd); ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED - && binlog_format == BINLOG_FORMAT_STMT) + if (tx_isolation <= ISO_READ_COMMITTED && + binlog_format == BINLOG_FORMAT_STMT) { char buf[256]; my_snprintf(buf, sizeof(buf), diff --git a/handler/mysql_addons.cc b/handler/mysql_addons.cc index 6dfdf6ced76..f908aaa3fbc 100644 --- a/handler/mysql_addons.cc +++ b/handler/mysql_addons.cc @@ -23,29 +23,3 @@ Created November 07, 2007 Vasil Dimov #include "mysql_addons.h" #include "univ.i" - -/*********************************************************************** -Retrieve THD::thread_id -http://bugs.mysql.com/30930 */ -extern "C" UNIV_INTERN -unsigned long -ib_thd_get_thread_id( -/*=================*/ - /* out: THD::thread_id */ - const void* thd) /* in: THD */ -{ - return((unsigned long) ((THD*) thd)->thread_id); -} - -/* http://bugs.mysql.com/40360 */ -/* http://lists.mysql.com/commits/57450 */ -/** - See if the binary log is engaged for a thread, i.e., open and - LOG_BIN is set. - - @return @c true if the binlog is active, @c false otherwise. -*/ -my_bool ib_bin_log_is_engaged(const MYSQL_THD thd) -{ - return mysql_bin_log.is_open() && (thd->options & OPTION_BIN_LOG); -} diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c4afc5bea32..fc21255b98a 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3895,31 +3895,17 @@ ibuf_merge_or_delete_for_page( ut_ad(!block || buf_block_get_space(block) == space); ut_ad(!block || buf_block_get_page_no(block) == page_no); ut_ad(!block || buf_block_get_zip_size(block) == zip_size); + ut_a(ut_is_2pow(zip_size)); - if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE + || trx_sys_hdr_page(space, page_no) + || ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no)) { - return; - } else if (trx_sys_hdr_page(space, page_no)) { - - return; - } else if (ibuf_fixed_addr_page(space, 0, page_no) - || fsp_descr_page(0, page_no)) { - - /* This assumes that the uncompressed page size - is a power-of-2 multiple of zip_size. */ return; } if (UNIV_LIKELY(update_ibuf_bitmap)) { - - ut_a(ut_is_2pow(zip_size)); - - if (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no)) { - - return; - } - /* If the following returns FALSE, we get the counter incremented, and must decrement it when we leave this function. When the counter is > 0, that prevents tablespace @@ -3956,11 +3942,6 @@ ibuf_merge_or_delete_for_page( } mtr_commit(&mtr); } - } else if (block - && (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no))) { - - return; } ibuf_enter(); diff --git a/include/mysql_addons.h b/include/mysql_addons.h index 3c2933742c8..550e297cd6f 100644 --- a/include/mysql_addons.h +++ b/include/mysql_addons.h @@ -14,34 +14,3 @@ here. In a perfect world this file exists but is empty. Created November 07, 2007 Vasil Dimov *******************************************************/ - -#include /* for my_bool */ -#include /* for MYSQL_THD */ - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/*********************************************************************** -Retrieve THD::thread_id -http://bugs.mysql.com/30930 */ - -unsigned long -ib_thd_get_thread_id( -/*=================*/ - /* out: THD::thread_id */ - const void* thd); /* in: THD */ - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -/* http://bugs.mysql.com/40360 */ -/* http://lists.mysql.com/commits/57450 */ -/** - See if the binary log is engaged for a thread, i.e., open and - LOG_BIN is set. - - @return @c true if the binlog is active, @c false otherwise. -*/ -my_bool ib_bin_log_is_engaged(const MYSQL_THD thd); diff --git a/include/univ.i b/include/univ.i index 356b0f36a61..2232f472302 100644 --- a/include/univ.i +++ b/include/univ.i @@ -11,7 +11,7 @@ Created 1/20/1994 Heikki Tuuri #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 -#define INNODB_VERSION_BUGFIX 2 +#define INNODB_VERSION_BUGFIX 3 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; diff --git a/mysql-test/innodb_bug34300.test b/mysql-test/innodb_bug34300.test index 4b4a3fdc8a3..114bcf98c25 100644 --- a/mysql-test/innodb_bug34300.test +++ b/mysql-test/innodb_bug34300.test @@ -8,7 +8,9 @@ -- disable_query_log -- disable_result_log -SET @@max_allowed_packet=16777216; +# set packet size and reconnect +SET @@global.max_allowed_packet=16777216; +--connect (newconn, localhost, root,,) DROP TABLE IF EXISTS bug34300; CREATE TABLE bug34300 ( diff --git a/page/page0cur.c b/page/page0cur.c index 66e02b1529e..a42c0708ea1 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -907,7 +907,7 @@ page_cur_insert_rec_low( ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ mtr_t* mtr) /* in: mini-transaction handle, or NULL */ { - byte* insert_buf = NULL; + byte* insert_buf; ulint rec_size; page_t* page; /* the relevant page */ rec_t* last_insert; /* cursor position at previous @@ -1172,7 +1172,7 @@ page_cur_insert_rec_zip( ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ mtr_t* mtr) /* in: mini-transaction handle, or NULL */ { - byte* insert_buf = NULL; + byte* insert_buf; ulint rec_size; page_t* page; /* the relevant page */ rec_t* last_insert; /* cursor position at previous @@ -1285,6 +1285,41 @@ too_small: rec_get_next_ptr(free_rec, TRUE), rec_size); + if (page_is_leaf(page) && dict_index_is_clust(index)) { + /* Zero out the DB_TRX_ID and DB_ROLL_PTR + columns of free_rec, in case it will not be + overwritten by insert_rec. */ + + ulint trx_id_col; + ulint trx_id_offs; + ulint len; + + trx_id_col = dict_index_get_sys_col_pos(index, + DATA_TRX_ID); + ut_ad(trx_id_col > 0); + ut_ad(trx_id_col != ULINT_UNDEFINED); + + trx_id_offs = rec_get_nth_field_offs(foffsets, + trx_id_col, &len); + ut_ad(len == DATA_TRX_ID_LEN); + + if (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN + trx_id_offs + + rec_offs_extra_size(foffsets) > rec_size) { + /* We will have to zero out the + DB_TRX_ID and DB_ROLL_PTR, because + they will not be fully overwritten by + insert_rec. */ + + memset(free_rec + trx_id_offs, 0, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + } + + ut_ad(free_rec + trx_id_offs + DATA_TRX_ID_LEN + == rec_get_nth_field(free_rec, foffsets, + trx_id_col + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + } + if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } diff --git a/row/row0mysql.c b/row/row0mysql.c index 7db55634cfb..ee404da1361 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -361,7 +361,7 @@ row_mysql_store_col_in_innobase_format( /* In some cases we strip trailing spaces from UTF-8 and other multibyte charsets, from FIXED-length CHAR columns, to save space. UTF-8 would otherwise normally use 3 * the string length - bytes to store a latin1 string! */ + bytes to store an ASCII string! */ /* We assume that this CHAR field is encoded in a variable-length character set where spaces have diff --git a/row/row0purge.c b/row/row0purge.c index 05c2f4051e7..a8f2462e32b 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -217,7 +217,7 @@ row_purge_remove_sec_if_poss_low_nonbuffered( ibool old_has = FALSE; ulint err; mtr_t mtr; - mtr_t* mtr_vers; + mtr_t mtr_vers; enum row_search_result search_result; log_free_check(); @@ -262,21 +262,17 @@ row_purge_remove_sec_if_poss_low_nonbuffered( which cannot be purged yet, requires its existence. If some requires, we should do nothing. */ - mtr_vers = mem_alloc(sizeof(mtr_t)); + mtr_start(&mtr_vers); - mtr_start(mtr_vers); - - success = row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, mtr_vers); + success = row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr_vers); if (success) { old_has = row_vers_old_has_index_entry( TRUE, btr_pcur_get_rec(&(node->pcur)), - mtr_vers, index, entry); + &mtr_vers, index, entry); } - btr_pcur_commit_specify_mtr(&(node->pcur), mtr_vers); - - mem_free(mtr_vers); + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); if (!old_has) { /* Remove the index record */ diff --git a/row/row0umod.c b/row/row0umod.c index 56aa1e98d18..8ffd356714e 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -315,33 +315,16 @@ row_undo_mod_del_mark_or_remove_sec_low( &pcur, &mtr); switch (UNIV_EXPECT(search_result, ROW_FOUND)) { - trx_t* trx; case ROW_NOT_FOUND: /* In crash recovery, the secondary index record may be missing if the UPDATE did not have time to insert the secondary index records before the crash. When we are undoing that UPDATE in crash recovery, the record - may be missing. In normal processing, the record - SHOULD exist. */ + may be missing. - trx = thr_get_trx(thr); - - if (!trx_is_recv(trx)) { - fputs("InnoDB: error in sec index entry del undo in\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - fputs("\n" - "InnoDB: tuple ", stderr); - dtuple_print(stderr, entry); - fputs("\n" - "InnoDB: record ", stderr); - rec_print(stderr, btr_pcur_get_rec(&pcur), index); - putc('\n', stderr); - trx_print(stderr, trx, 0); - fputs("\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", stderr); - } + In normal processing, if an update ends in a deadlock + before it has inserted all updated secondary index + records, then the undo will not find those records. */ err = DB_SUCCESS; goto func_exit; diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 1138d1c4490..2c5d30689a0 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -256,10 +256,10 @@ UNIV_INTERN ulong srv_commit_concurrency = 0; /* this mutex protects srv_conc data structures */ UNIV_INTERN os_fast_mutex_t srv_conc_mutex; -/* number of OS threads currently inside InnoDB; it is not an error if -this drops temporarily below zero because we do not demand that every -thread increments this, but a thread waiting for a lock decrements -this temporarily */ +/* number of transactions that have declared_to_be_inside_innodb set. +It used to be a non-error for this value to drop below zero temporarily. +This is no longer true. We'll, however, keep the lint datatype to add +assertions to catch any corner cases that we may have missed. */ UNIV_INTERN lint srv_conc_n_threads = 0; /* number of OS threads waiting in the FIFO for a permission to enter InnoDB */ @@ -999,6 +999,8 @@ retry: return; } + ut_ad(srv_conc_n_threads >= 0); + if (srv_conc_n_threads < (lint)srv_thread_concurrency) { srv_conc_n_threads++; @@ -1125,6 +1127,8 @@ srv_conc_force_enter_innodb( return; } + ut_ad(srv_conc_n_threads >= 0); + os_fast_mutex_lock(&srv_conc_mutex); srv_conc_n_threads++; @@ -1146,11 +1150,6 @@ srv_conc_force_exit_innodb( { srv_conc_slot_t* slot = NULL; - if (UNIV_LIKELY(!srv_thread_concurrency)) { - - return; - } - if (trx->mysql_thd != NULL && thd_is_replication_slave_thread(trx->mysql_thd)) { @@ -1164,6 +1163,7 @@ srv_conc_force_exit_innodb( os_fast_mutex_lock(&srv_conc_mutex); + ut_ad(srv_conc_n_threads > 0); srv_conc_n_threads--; trx->declared_to_be_inside_innodb = FALSE; trx->n_tickets_to_enter_innodb = 0; diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 6bb46dd4e58..9290891d892 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -393,7 +393,7 @@ fill_trx_row( if (trx->mysql_thd != NULL) { row->trx_mysql_thread_id - = ib_thd_get_thread_id(trx->mysql_thd); + = thd_get_thread_id(trx->mysql_thd); } else { /* For internal transactions e.g., purge and transactions being recovered at startup there is no associated MySQL diff --git a/trx/trx0trx.c b/trx/trx0trx.c index e529f460fb3..d626a75020a 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -250,6 +250,10 @@ trx_free( "InnoDB: inside InnoDB.\n", stderr); trx_print(stderr, trx, 600); putc('\n', stderr); + + /* This is an error but not a fatal error. We must keep + the counters like srv_conc_n_threads accurate. */ + srv_conc_force_exit_innodb(trx); } if (trx->n_mysql_tables_in_use != 0 diff --git a/trx/trx0undo.c b/trx/trx0undo.c index aac1170921b..ace315cde61 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -427,7 +427,7 @@ trx_undo_seg_create( if (slot_no == ULINT_UNDEFINED) { ut_print_timestamp(stderr); fprintf(stderr, - "InnoDB: Warning: cannot find a free slot for" + " InnoDB: Warning: cannot find a free slot for" " an undo log. Do you have too\n" "InnoDB: many active transactions" " running concurrently?\n"); diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff index a9e067c6ee5..46d2e5b2d2d 100644 --- a/win-plugin/win-plugin.diff +++ b/win-plugin/win-plugin.diff @@ -37,7 +37,7 @@ diff -Nur sql/CMakeLists.txt.orig sql/CMakeLists.txt diff -Nur sql/mysqld.def.orig sql/mysqld.def --- sql/mysqld.def.orig 1969-12-31 18:00:00 -06:00 +++ sql/mysqld.def 2008-10-31 02:20:32 -05:00 -@@ -0,0 +1,99 @@ +@@ -0,0 +1,98 @@ +EXPORTS + ?use_hidden_primary_key@handler@@UAEXXZ + ?get_dynamic_partition_info@handler@@UAEXPAUPARTITION_INFO@@I@Z @@ -82,11 +82,10 @@ diff -Nur sql/mysqld.def.orig sql/mysqld.def + ?THR_THD@@3PAVTHD@@A + ?end_of_list@@3Ulist_node@@A + ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A -+ ?mysql_bin_log@@3VMYSQL_BIN_LOG@@A -+ ?is_open@MYSQL_LOG@@QAE_NXZ + mysql_query_cache_invalidate4 + thd_query + thd_sql_command ++ thd_get_thread_id + thd_get_xid + thd_slave_thread + thd_non_transactional_update @@ -141,7 +140,7 @@ diff -Nur sql/mysqld.def.orig sql/mysqld.def diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def --- sql/mysqld_x64.def.orig 1969-12-31 18:00:00 -06:00 +++ sql/mysqld_x64.def 2008-10-31 02:22:04 -05:00 -@@ -0,0 +1,99 @@ +@@ -0,0 +1,98 @@ +EXPORTS + ?use_hidden_primary_key@handler@@UEAAXXZ + ?get_dynamic_partition_info@handler@@UEAAXPEAUPARTITION_INFO@@I@Z @@ -186,11 +185,10 @@ diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def + ?THR_THD@@3PEAVTHD@@EA + ?end_of_list@@3Ulist_node@@A + ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A -+ ?mysql_bin_log@@3VMYSQL_BIN_LOG@@A -+ ?is_open@MYSQL_LOG@@QEAA_NXZ + mysql_query_cache_invalidate4 + thd_query + thd_sql_command ++ thd_get_thread_id + thd_get_xid + thd_slave_thread + thd_non_transactional_update From 9f7f664c6583460876cd4c0e38238ed75699408f Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 10 Dec 2008 14:06:12 +0000 Subject: [PATCH 098/400] branches/innodb+: btr_cur_search_to_nth_level(): Add debug assertions that operations on clustered indexes or on the insert buffer B-tree must not be buffered. --- btr/btr0cur.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index b5e4cbfcb80..2adf6542175 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -368,6 +368,11 @@ btr_cur_search_to_nth_level( btr_op = BTR_DELMARK_OP; } + /* Operations on the insert buffer tree cannot be buffered. */ + ut_ad(btr_op == BTR_NO_OP || !dict_index_is_ibuf(index)); + /* Operations on the clustered index cannot be buffered. */ + ut_ad(btr_op == BTR_NO_OP || !dict_index_is_clust(index)); + watch_leaf = latch_mode & BTR_WATCH_LEAF; estimate = latch_mode & BTR_ESTIMATE; From a78f330c410f9e2595cbd00c710d360a52131f48 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 10 Dec 2008 14:07:43 +0000 Subject: [PATCH 099/400] branches/innodb+: row_upd_sec_index_entry(): Eliminate a goto. --- row/row0upd.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/row/row0upd.c b/row/row0upd.c index 52c226b05d5..fd0fed97239 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1448,21 +1448,20 @@ row_upd_sec_index_entry( search_result = row_search_index_entry(index, entry, mode, &pcur, &mtr); - if (search_result == ROW_BUFFERED) { - /* Entry was delete marked already. */ - - goto close_cur; - } btr_cur = btr_pcur_get_btr_cur(&pcur); rec = btr_cur_get_rec(btr_cur); switch (search_result) { - case ROW_BUFFERED: /* already handled above */ - case ROW_NOT_IN_POOL: /* should only occur for BTR_WATCH_LEAF */ + case ROW_NOT_IN_POOL: + /* This should only occur for BTR_WATCH_LEAF. */ ut_error; break; + case ROW_BUFFERED: + /* Entry was delete marked already. */ + break; + case ROW_NOT_FOUND: fputs("InnoDB: error in sec index entry update in\n" "InnoDB: ", stderr); @@ -1510,7 +1509,6 @@ row_upd_sec_index_entry( break; } -close_cur: btr_pcur_close(&pcur); mtr_commit(&mtr); From 6aa16db1d6c42ace373a0876e360198b9f11de63 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 10 Dec 2008 15:12:04 +0000 Subject: [PATCH 100/400] branches/innodb+: ibuf_delete(), row_purge_remove_sec_if_poss_low_nonbuffered(): Add debug assertions that records to be purged must have been marked for deletion. --- ibuf/ibuf0ibuf.c | 4 ++++ row/row0purge.c | 6 +++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index fc21255b98a..762e15daeb7 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3706,6 +3706,10 @@ ibuf_delete( /* Refuse to delete the last record. */ ut_a(page_get_n_recs(page) > 1); + /* The record should have been marked for deletion. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits(rec, page_is_comp(page))); + lock_update_delete(block, rec); if (!page_zip) { diff --git a/row/row0purge.c b/row/row0purge.c index a8f2462e32b..cf13cb1d028 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -275,7 +275,11 @@ row_purge_remove_sec_if_poss_low_nonbuffered( btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); if (!old_has) { - /* Remove the index record */ + /* Remove the index record, which should have been + marked for deletion. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits(btr_cur_get_rec(btr_cur), + dict_table_is_comp(index->table))); if (mode == BTR_MODIFY_LEAF) { success = btr_cur_optimistic_delete(btr_cur, &mtr); From 0083f645886eba3d9611b9430b30fcde458c3be7 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 10 Dec 2008 15:20:17 +0000 Subject: [PATCH 101/400] branches/innodb+: When buffering an insert, notify the buffer pool watch. This should fix the race condition that seems to have caused Issue #126: When another thread is buffering an insert for the record that is being purged, it should invoke buf_pool_watch_notify(), so that the purge will not be buffered. Otherwise, the purge would be buffered for the wrong record (one that was inserted after the purge determined that the record can be removed). When deletes are not buffered, the latch on the secondary index page would prevent the insert from occurring. In delete buffering, the buf_pool_watch replaces the page latch when the page is not in the buffer pool. buf_pool_watch_notify(): Make public. ibuf_insert(): Invoke buf_pool_watch_notify() when buffering an insert or a delete-mark operation. --- buf/buf0buf.c | 8 ++++---- ibuf/ibuf0ibuf.c | 17 +++++++++++++++++ include/buf0buf.h | 8 ++++++++ 3 files changed, 29 insertions(+), 4 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 4b4355033cb..acb9af524f9 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2506,13 +2506,13 @@ buf_page_init_low( } /************************************************************************ -Set watch happened flag. */ -UNIV_INLINE +Set watch occurred flag. */ +UNIV_INTERN void buf_pool_watch_notify( /*==================*/ - ulint space, /* in: space id of page read in */ - ulint offset) /* in: offset of page read in */ + ulint space, /* in: space id of page read in */ + ulint offset) /* in: offset of page read in */ { ut_ad(buf_pool_mutex_own()); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 762e15daeb7..9afa1bb06d1 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3462,6 +3462,23 @@ ibuf_insert( ut_a(!dict_index_is_clust(index)); + if (UNIV_LIKELY(op != IBUF_OP_DELETE)) { + /* If another thread buffers an insert on a page while + the purge is in progress, the purge for the same page + must not be buffered, because it could remove a record + that was re-inserted later. + + We do not call this in the IBUF_OP_DELETE case, + because that would always trigger the buffer pool + watch during purge and thus prevent the buffering of + delete operations. We assume that IBUF_OP_DELETE + operations are only issued by the purge thread. */ + + buf_pool_mutex_enter(); + buf_pool_watch_notify(space, page_no); + buf_pool_mutex_exit(); + } + entry_size = rec_get_converted_size(index, entry, 0); if (entry_size >= (page_get_free_space_of_empty(comp) / 2)) { diff --git a/include/buf0buf.h b/include/buf0buf.h index c5701586619..09664bd2258 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -981,6 +981,14 @@ UNIV_INTERN void buf_pool_watch_clear(void); /*======================*/ +/************************************************************************ +Set watch occurred flag. */ +UNIV_INTERN +void +buf_pool_watch_notify( +/*==================*/ + ulint space, /* in: space id of page read in */ + ulint offset);/* in: offset of page read in */ /******************************************************************** Check if the given page is being watched and has been read to the buffer pool. */ From d681f5b9671df4f59914f4659d5eafc9423960ea Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 11 Dec 2008 15:18:37 +0000 Subject: [PATCH 102/400] branches/innodb+: Merge revisions 3459:3498 from branches/zip: ------------------------------------------------------------------------ r3459 | vasil | 2008-12-09 11:49:03 +0200 (Tue, 09 Dec 2008) | 152 lines branches/zip: Merge 2929:3458 from branches/5.1 (resolving conflict in c3257, note also that r3363 reverted r2933 so there are not changes in mysql-test/innodb-autoinc.result with the current merge): ------------------------------------------------------------------------ r2933 | calvin | 2008-10-30 02:57:31 +0200 (Thu, 30 Oct 2008) | 10 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result branches/5.1: correct the result file innodb-autoinc.result Change the followings: auto_increment_increment auto_increment_offset to auto-increment-increment auto-increment-offset ------------------------------------------------------------------------ r2981 | marko | 2008-11-07 14:54:10 +0200 (Fri, 07 Nov 2008) | 5 lines Changed paths: M /branches/5.1/row/row0mysql.c branches/5.0: row_mysql_store_col_in_innobase_format(): Correct a misleading comment. In the UTF-8 encoding, ASCII takes 1 byte per character, while the "latin1" character set (normally ISO-8859-1, but in MySQL it actually refers to the Windows Code Page 1252 a.k.a. CP1252, WinLatin1) takes 1 to 3 bytes (1 to 2 bytes for the ISO-8859-1 subset). ------------------------------------------------------------------------ r3114 | calvin | 2008-11-14 20:31:48 +0200 (Fri, 14 Nov 2008) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: fix bug#40386: Not flushing query cache after truncate ha_statistics.records can not be 0 unless the table is empty, set to 1 instead. The original problem of bug#29507 is fixed in the server. Additional test was done with the fix of bug#29507 in the server. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r3257 | inaam | 2008-11-24 22:06:50 +0200 (Mon, 24 Nov 2008) | 13 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/srv/srv0srv.c M /branches/5.1/trx/trx0trx.c branches/5.1 bug#40760 The config param innodb_thread_concurrency is dynamically set and is read when a thread enters/exits innodb. If the value is changed between the enter and exit time the behaviour becomes erratic. The fix is not to use srv_thread_concurrency when exiting, instead use the flag trx->declared_to_be_inside_innodb. rb://57 Approved by: Marko ------------------------------------------------------------------------ r3363 | calvin | 2008-12-04 19:00:20 +0200 (Thu, 04 Dec 2008) | 13 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result branches/5.1: revert the changes in r2933 The changes in r2933 causes test failure on Linux. More investigation is needed for Windows. Change the followings in innodb-autoinc.result: auto-increment-increment auto-increment-offset back to: auto_increment_increment auto_increment_offset ------------------------------------------------------------------------ r3412 | vasil | 2008-12-05 10:46:18 +0200 (Fri, 05 Dec 2008) | 7 lines Changed paths: M /branches/5.1/trx/trx0undo.c branches/5.1: Add the traditional 2 spaces after the timestamp so the message does not look like: 070223 13:26:01InnoDB: Warning: canno.... ------------------------------------------------------------------------ r3458 | vasil | 2008-12-09 11:21:08 +0200 (Tue, 09 Dec 2008) | 51 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug34300.test branches/5.1: Merge a change from MySQL to fix the failing innodb_bug34300 mysql-test: main.innodb_bug34300 [ fail ] mysqltest: At line 11: query 'SET @@max_allowed_packet=16777216' failed: 1621: SESSION variable 'max_allowed_packet' is read-only. Use SET GLOBAL to assign the value Aborting: main.innodb_bug34300 failed in default mode. The changeset is this: ------------------------------------------------------------ revno: 2709.1.10 committer: Staale Smedseng branch nick: b22891-51-bugteam timestamp: Thu 2008-11-20 08:51:48 +0100 message: A fix for Bug#22891 "session level max_allowed_packet can be set but is ignored". This patch makes @@session.max_allowed_packed and @@session.net_buffer_length read-only as suggested in the bug report. The user will have to use SET GLOBAL (and reconnect) to alter the session values of these variables. The error string ER_VARIABLE_IS_READONLY is introduced. Tests are modified accordingly. modified: mysql-test/r/func_compress.result mysql-test/r/max_allowed_packet_basic.result mysql-test/r/max_allowed_packet_func.result mysql-test/r/net_buffer_length_basic.result mysql-test/r/packet.result mysql-test/r/union.result mysql-test/r/variables.result mysql-test/t/func_compress.test mysql-test/t/innodb_bug34300.test mysql-test/t/max_allowed_packet_basic.test mysql-test/t/max_allowed_packet_func.test mysql-test/t/net_buffer_length_basic.test mysql-test/t/packet.test mysql-test/t/union.test mysql-test/t/variables.test sql/set_var.cc sql/set_var.h sql/share/errmsg.txt ------------------------------------------------------------ ------------------------------------------------------------------------ ------------------------------------------------------------------------ r3480 | calvin | 2008-12-10 23:56:00 +0200 (Wed, 10 Dec 2008) | 11 lines branches/zip: Merge r3458:3479 from branches/5.1: ------------------------------------------------------------------------ r3479 | calvin | 2008-12-10 15:30:05 -0600 (Wed, 10 Dec 2008) | 4 lines branches/5.1: change .result file eol-style to LF mysql-test-run only takes LF style even on Windows. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r3481 | calvin | 2008-12-11 00:01:20 +0200 (Thu, 11 Dec 2008) | 4 lines branches/zip: change diff and result files eol-style to LF The patch utility takes LF style diff, and mysql-test-run also only takes LF style, even on Windows. ------------------------------------------------------------------------ r3482 | calvin | 2008-12-11 00:19:07 +0200 (Thu, 11 Dec 2008) | 9 lines branches/zip: fix Mantis issue #138 InnoDB fails if innodb_buffer_pool_size >= 4096M on x64 Windows All three srv_buf_pool related variables are defined as ulong, which is 32-bit on 64-bit Windows. They are changed to 64-bit ulint. Also system_info.dwPageSize appears to be 32-bit only. Casting to 64-bit is required. Approved by: Marko (on IM) ------------------------------------------------------------------------ r3498 | marko | 2008-12-11 17:08:14 +0200 (Thu, 11 Dec 2008) | 6 lines branches/zip: ibuf_merge_or_delete_for_page(): Restore the seemingly redundant checks for ibuf_fixed_addr_page() || fsp_descr_page() that were removed in r3432, and add a comment explaining why. Thanks to Michael for reporting this bug. ------------------------------------------------------------------------ --- ibuf/ibuf0ibuf.c | 31 +++++++++++++++++++++++++++---- include/srv0srv.h | 6 +++--- os/os0proc.c | 4 +++- srv/srv0srv.c | 6 +++--- 4 files changed, 36 insertions(+), 11 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9afa1bb06d1..f6d7ed1e521 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3916,17 +3916,35 @@ ibuf_merge_or_delete_for_page( ut_ad(!block || buf_block_get_space(block) == space); ut_ad(!block || buf_block_get_page_no(block) == page_no); ut_ad(!block || buf_block_get_zip_size(block) == zip_size); - ut_a(ut_is_2pow(zip_size)); if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE - || trx_sys_hdr_page(space, page_no) - || ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no)) { + || trx_sys_hdr_page(space, page_no)) { + return; + } + /* We cannot refer to zip_size in the following, because + zip_size is passed as ULINT_UNDEFINED (it is unknown) when + buf_read_ibuf_merge_pages() is merging (discarding) changes + for a dropped tablespace. When block != NULL or + update_ibuf_bitmap is specified, the zip_size must be known. + That is why we will repeat the check below, with zip_size in + place of 0. Passing zip_size as 0 assumes that the + uncompressed page size always is a power-of-2 multiple of the + compressed page size. */ + + if (ibuf_fixed_addr_page(space, 0, page_no) + || fsp_descr_page(0, page_no)) { return; } if (UNIV_LIKELY(update_ibuf_bitmap)) { + ut_a(ut_is_2pow(zip_size)); + + if (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no)) { + return; + } + /* If the following returns FALSE, we get the counter incremented, and must decrement it when we leave this function. When the counter is > 0, that prevents tablespace @@ -3963,6 +3981,11 @@ ibuf_merge_or_delete_for_page( } mtr_commit(&mtr); } + } else if (block) { + if (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no)) { + return; + } } ibuf_enter(); diff --git a/include/srv0srv.h b/include/srv0srv.h index 52be5357bbd..878afa0feb3 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -93,9 +93,9 @@ extern ulong srv_flush_log_at_trx_commit; /* The sort order table of the MySQL latin1_swedish_ci character set collation */ extern const byte* srv_latin1_ordering; -extern ulong srv_buf_pool_size; /* requested size in bytes */ -extern ulong srv_buf_pool_old_size; /* previously requested size */ -extern ulong srv_buf_pool_curr_size; /* current size in bytes */ +extern ulint srv_buf_pool_size; /* requested size in bytes */ +extern ulint srv_buf_pool_old_size; /* previously requested size */ +extern ulint srv_buf_pool_curr_size; /* current size in bytes */ extern ulint srv_mem_pool_size; extern ulint srv_lock_table_size; diff --git a/os/os0proc.c b/os/os0proc.c index d8eb004da11..8d544a666f3 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -129,8 +129,10 @@ skip: /* Align block size to system page size */ ut_ad(ut_is_2pow(system_info.dwPageSize)); + /* system_info.dwPageSize is only 32-bit. Casting to ulint is required + on 64-bit Windows. */ size = *n = ut_2pow_round(*n + (system_info.dwPageSize - 1), - system_info.dwPageSize); + (ulint) system_info.dwPageSize); ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); if (!ptr) { diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 2c5d30689a0..d75269e96d5 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -137,11 +137,11 @@ collation */ UNIV_INTERN const byte* srv_latin1_ordering; /* requested size in kilobytes */ -UNIV_INTERN ulong srv_buf_pool_size = ULINT_MAX; +UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; /* previously requested size */ -UNIV_INTERN ulong srv_buf_pool_old_size; +UNIV_INTERN ulint srv_buf_pool_old_size; /* current size in kilobytes */ -UNIV_INTERN ulong srv_buf_pool_curr_size = 0; +UNIV_INTERN ulint srv_buf_pool_curr_size = 0; /* size in bytes */ UNIV_INTERN ulint srv_mem_pool_size = ULINT_MAX; UNIV_INTERN ulint srv_lock_table_size = ULINT_MAX; From 313780085679ca6295ab5e6f05daf3c3bd6c90cb Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 10:08:00 +0000 Subject: [PATCH 103/400] branches/innodb+: btr_cur_search_to_nth_level(): Check for BTR_INSERT, BTR_DELETE, and BTR_DELETE_MARK in a single switch, and assert that at most one is specified at a time. --- btr/btr0cur.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 2adf6542175..ebbcb22bc27 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -360,12 +360,24 @@ btr_cur_search_to_nth_level( /* These flags are mutually exclusive, they are lumped together with the latch mode for historical reasons. It's possible for none of the flags to be set. */ - if (latch_mode & BTR_INSERT) { + switch (UNIV_EXPECT(latch_mode + & (BTR_INSERT | BTR_DELETE | BTR_DELETE_MARK), + 0)) { + case 0: + break; + case BTR_INSERT: btr_op = BTR_INSERT_OP; - } else if (latch_mode & BTR_DELETE) { + break; + case BTR_DELETE: btr_op = BTR_DELETE_OP; - } else if (latch_mode & BTR_DELETE_MARK) { + break; + case BTR_DELETE_MARK: btr_op = BTR_DELMARK_OP; + break; + default: + /* only one of BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK + should be specified at a time */ + ut_error; } /* Operations on the insert buffer tree cannot be buffered. */ From 1fce72cc80a51291563f8f4aba8e27e8ab6d0208 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 11:20:43 +0000 Subject: [PATCH 104/400] branches/innodb+: ibuf_insert_low(): Combine two nested if statements to one. Note that buf_pool_watch_occurred(space, page_no) could start to hold again and explain why it is not a problem. --- ibuf/ibuf0ibuf.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index f6d7ed1e521..c2a155a5526 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3257,17 +3257,12 @@ ibuf_insert_low( ? &min_n_recs : NULL, &mtr); - if (op == IBUF_OP_DELETE) { - if (min_n_recs < 2 - || buf_pool_watch_occurred(space, page_no)) { - /* The page could become empty after the - record is deleted, or the page has been read - in to the buffer pool. Refuse to buffer the - operation. */ - err = DB_STRONG_FAIL; - - goto function_exit; - } + if (op == IBUF_OP_DELETE + && (min_n_recs < 2 + || buf_pool_watch_occurred(space, page_no))) { + /* The page could become empty after the record is + deleted, or the page has been read in to the buffer + pool. Refuse to buffer the operation. */ /* The buffer pool watch is needed for IBUF_OP_DELETE because of latching order considerations. We can @@ -3281,8 +3276,22 @@ ibuf_insert_low( that no changes for the user page will be merged before mtr_commit(&mtr). We must not mtr_commit(&mtr) until after the IBUF_OP_DELETE has been buffered. */ + + err = DB_STRONG_FAIL; + + goto function_exit; } + /* After this point, buf_pool_watch_occurred(space, page_no) + may still become true, but we do not have to care about it, + since we are holding a latch on the insert buffer leaf page + that contains buffered changes for (space, page_no). If + buf_pool_watch_occurred(space, page_no) becomes true, + buf_page_io_complete() for (space, page_no) will have to + acquire a latch on the same insert buffer leaf page, which it + cannot do until we have buffered the IBUF_OP_DELETE and done + mtr_commit(&mtr) to release the latch. */ + #ifdef UNIV_IBUF_COUNT_DEBUG ut_a((buffered == 0) || ibuf_count_get(space, page_no)); #endif From f784ab22a64163e5a04603606cf6ef42f82540a4 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 12:28:49 +0000 Subject: [PATCH 105/400] branches/innodb+: btr_cur_search_to_nth_level(): Move some code before the only goto loop_end after the loop_end: label to improve readability. --- btr/btr0cur.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index ebbcb22bc27..096069646f0 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -680,15 +680,6 @@ retry_page_get: if (level == height) { - if (level > 0) { - /* x-latch the page */ - page = btr_page_get( - space, zip_size, page_no, RW_X_LATCH, mtr); - - ut_a((ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - } - goto loop_end; } @@ -727,7 +718,14 @@ retry_page_get: goto search_loop; loop_end: - if (level == 0) { + if (level != 0) { + /* x-latch the page */ + page = btr_page_get( + space, zip_size, page_no, RW_X_LATCH, mtr); + + ut_a((ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + } else { cursor->low_match = low_match; cursor->low_bytes = low_bytes; cursor->up_match = up_match; From a0030fcf5485dd3fd26b100088e1f7f62ce0ecb9 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 12:59:48 +0000 Subject: [PATCH 106/400] branches/innodb+: Clean up the buffering of purges. Instead of traversing the index B-tree twice (first in BTR_WATCH_LEAF mode and then in BTR_DELETE mode), let BTR_DELETE take care of checking that the record can be purged, and either buffering or performing the purge. row_purge_poss_sec(): New function, to check if it is possible to purge a secondary index record. Refactored from row_purge_remove_sec_if_poss_low(). row_purge_remove_sec_if_poss_nonbuffered(): Rename to row_purge_remove_sec_if_poss_tree(). Remove the parameter mode (always use BTR_MODIFY_TREE). Use row_purge_poss_sec(). row_purge_remove_sec_if_poss_low(): Rename to row_purge_remove_sec_if_poss_leaf(). Remove the parameter mode (always use BTR_MODIFY_LEAF). Let row_search_index_entry() do all the hard work. btr_cur_t: Add purge_node, which will be needed by btr_cur_search_to_nth_level() for BTR_DELETE. Replace the flag value BTR_CUR_ABORTED with BTR_CUR_DELETE_REF and BTR_CUR_DELETE_FAILED. enum row_search_result, row_search_index_entry(): Replace ROW_NOT_IN_POOL with ROW_NOT_DELETED_REF and ROW_NOT_DELETED. btr_cur_search_to_nth_level(): Remove BTR_WATCH_LEAF. As a side effect, the adaptive hash index can be used in purge as well. If BTR_DELETE cannot be buffered, attempt btr_cur_optimistic_delete(). Either way, check row_purge_poss_sec(). Move the code to set cursor->ibuf_count to get rid of another if (height == 0) check. Eliminate the label loop_end. Do not call ibuf_should_try() twice. ibuf_should_try(): Now that the successful calls to this function will be halved, halve the magic constant that ibuf_flush_count will be compared to, accordingly. The changes regarding ibuf_should_try() were merged from branches/zip r3515. rb://60 approved by Heikki over IM --- btr/btr0cur.c | 247 +++++++++++++++++++++++-------------------- include/btr0btr.h | 5 - include/btr0cur.h | 7 +- include/ibuf0ibuf.ic | 2 +- include/row0purge.h | 23 ++++ include/row0row.h | 6 +- row/row0purge.c | 211 +++++++++++++++--------------------- row/row0row.c | 12 ++- row/row0uins.c | 6 +- row/row0umod.c | 12 +-- row/row0upd.c | 4 +- 11 files changed, 264 insertions(+), 271 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 096069646f0..638c1fe6e19 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -30,6 +30,7 @@ Created 10/16/1994 Heikki Tuuri #include "buf0lru.h" #include "btr0btr.h" #include "btr0sea.h" +#include "row0purge.h" #include "row0upd.h" #include "trx0rec.h" #include "trx0roll.h" /* trx_is_recv() */ @@ -331,7 +332,6 @@ btr_cur_search_to_nth_level( ulint buf_mode; ulint estimate; ulint zip_size; - ulint watch_leaf; page_cur_t* page_cursor; ulint ignore_sec_unique; btr_op_t btr_op = BTR_NO_OP; @@ -370,6 +370,7 @@ btr_cur_search_to_nth_level( break; case BTR_DELETE: btr_op = BTR_DELETE_OP; + ut_a(cursor->purge_node); break; case BTR_DELETE_MARK: btr_op = BTR_DELMARK_OP; @@ -385,19 +386,15 @@ btr_cur_search_to_nth_level( /* Operations on the clustered index cannot be buffered. */ ut_ad(btr_op == BTR_NO_OP || !dict_index_is_clust(index)); - watch_leaf = latch_mode & BTR_WATCH_LEAF; - estimate = latch_mode & BTR_ESTIMATE; ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE; /* Turn the flags unrelated to the latch mode off. */ - latch_mode &= ~( - BTR_INSERT - | BTR_DELETE_MARK - | BTR_DELETE - | BTR_ESTIMATE - | BTR_IGNORE_SEC_UNIQUE - | BTR_WATCH_LEAF); + latch_mode &= ~(BTR_INSERT + | BTR_DELETE_MARK + | BTR_DELETE + | BTR_ESTIMATE + | BTR_IGNORE_SEC_UNIQUE); cursor->flag = BTR_CUR_BINARY; cursor->index = index; @@ -417,16 +414,12 @@ btr_cur_search_to_nth_level( info->n_searches++; #endif - /* TODO: investigate if there is any real reason for forbidding - adaptive hash usage when watch_leaf is true.*/ - /* Ibuf does not use adaptive hash; this is prevented by the latch_mode check below. */ if (btr_search_latch.writer == RW_LOCK_NOT_LOCKED && latch_mode <= BTR_MODIFY_LEAF && info->last_hash_succ && !estimate - && !watch_leaf #ifdef PAGE_CUR_LE_OR_EXTENDS && mode != PAGE_CUR_LE_OR_EXTENDS #endif /* PAGE_CUR_LE_OR_EXTENDS */ @@ -486,8 +479,6 @@ btr_cur_search_to_nth_level( low_bytes = 0; height = ULINT_UNDEFINED; - rw_latch = RW_NO_LATCH; - buf_mode = BUF_GET; /* We use these modified search modes on non-leaf levels of the B-tree. These let us end up in the right B-tree leaf. In that leaf @@ -514,94 +505,111 @@ btr_cur_search_to_nth_level( /* Loop and search until we arrive at the desired level */ search_loop: + buf_mode = BUF_GET; + rw_latch = RW_NO_LATCH; - if (height == 0) { + if (height != 0) { + /* We are about to fetch the root or a non-leaf page. */ + } else if (dict_index_is_ibuf(index)) { + /* We're doing a search on an ibuf tree and we're one + level above the leaf page. */ - if (watch_leaf) { - buf_mode = BUF_GET_IF_IN_POOL; + ulint is_min_rec; - } else if (latch_mode <= BTR_MODIFY_LEAF) { - rw_latch = latch_mode; + ut_ad(level == 0); - if (btr_op != BTR_NO_OP - && ibuf_should_try(index, ignore_sec_unique)) { + is_min_rec = rec_get_info_bits(node_ptr, 0) + & REC_INFO_MIN_REC_FLAG; - /* Try insert/delete mark/delete to the - insert/delete buffer if the page is not in - the buffer pool */ + if (!is_min_rec) { + cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); - buf_mode = BUF_GET_IF_IN_POOL; - } + ut_a(cursor->ibuf_cnt <= 0xFFFF + || cursor->ibuf_cnt == ULINT_UNDEFINED); + } + } else if (latch_mode <= BTR_MODIFY_LEAF) { + rw_latch = latch_mode; + + if (btr_op != BTR_NO_OP + && ibuf_should_try(index, ignore_sec_unique)) { + + /* Try to buffer the operation if the leaf + page is not in the buffer pool. */ + + buf_mode = btr_op == BTR_DELETE_OP + ? BUF_GET_IF_IN_POOL_OR_WATCH + : BUF_GET_IF_IN_POOL; } } -retry_page_get: zip_size = dict_table_zip_size(index->table); - if (watch_leaf && height == 0) { - ut_a(buf_mode == BUF_GET_IF_IN_POOL); - - buf_mode = BUF_GET_IF_IN_POOL_OR_WATCH; - } - +retry_page_get: block = buf_page_get_gen( space, zip_size, page_no, rw_latch, guess, buf_mode, __FILE__, __LINE__, mtr); if (block == NULL) { - if (watch_leaf && height == 0) { - /* We didn't find a page but we set a watch on it. */ - cursor->flag = BTR_CUR_ABORTED; - - goto func_exit; - } - /* This must be a search to perform an insert/delete mark/ delete; try using the insert/delete buffer */ - ut_ad(buf_mode == BUF_GET_IF_IN_POOL); + ut_ad(height == 0); ut_ad(cursor->thr); - if (ibuf_should_try(index, ignore_sec_unique)) { + switch (btr_op) { + case BTR_INSERT_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL); - switch (btr_op) { - case BTR_INSERT_OP: - if (ibuf_insert(IBUF_OP_INSERT, tuple, index, - space, zip_size, page_no, - cursor->thr)) { + if (ibuf_insert(IBUF_OP_INSERT, tuple, index, + space, zip_size, page_no, + cursor->thr)) { - cursor->flag = BTR_CUR_INSERT_TO_IBUF; + cursor->flag = BTR_CUR_INSERT_TO_IBUF; - goto func_exit; - } - break; - - case BTR_DELMARK_OP: - if (ibuf_insert(IBUF_OP_DELETE_MARK, tuple, - index, space, zip_size, - page_no, cursor->thr)) { - - cursor->flag = BTR_CUR_DEL_MARK_IBUF; - - goto func_exit; - } - - break; - - case BTR_DELETE_OP: - if (ibuf_insert(IBUF_OP_DELETE, tuple, index, - space, zip_size, page_no, - cursor->thr)) { - - cursor->flag = BTR_CUR_DELETE_IBUF; - - goto func_exit; - } - - break; - default: - ut_error; + goto func_exit; } + break; + + case BTR_DELMARK_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL); + + if (ibuf_insert(IBUF_OP_DELETE_MARK, tuple, + index, space, zip_size, + page_no, cursor->thr)) { + + cursor->flag = BTR_CUR_DEL_MARK_IBUF; + + goto func_exit; + } + + break; + + case BTR_DELETE_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL_OR_WATCH); + + if (!row_purge_poss_sec(cursor->purge_node, + index, tuple)) { + + /* The record cannot be purged yet. */ + cursor->flag = BTR_CUR_DELETE_REF; + } else if (ibuf_insert(IBUF_OP_DELETE, tuple, + index, space, zip_size, + page_no, + cursor->thr)) { + + /* The purge was buffered. */ + cursor->flag = BTR_CUR_DELETE_IBUF; + } else { + /* The purge could not be buffered. */ + buf_pool_watch_clear(); + break; + } + + buf_pool_watch_clear(); + goto func_exit; + + default: + ut_error; } /* Insert to the insert/delete buffer did not succeed, we @@ -678,46 +686,24 @@ retry_page_get: ut_ad(height == btr_page_get_level(page_cur_get_page(page_cursor), mtr)); - if (level == height) { + if (level != height) { - goto loop_end; + ut_ad(height > 0); + + height--; + guess = NULL; + + node_ptr = page_cur_get_rec(page_cursor); + + offsets = rec_get_offsets( + node_ptr, index, offsets, ULINT_UNDEFINED, &heap); + + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + + goto search_loop; } - ut_ad(height > 0); - - height--; - guess = NULL; - - node_ptr = page_cur_get_rec(page_cursor); - - if (height == 0 && dict_index_is_ibuf(index)) { - /* We're doing a search on an ibuf tree and we're one level - above the leaf page. */ - - ulint is_min_rec; - - ut_ad(level == 0); - - is_min_rec = rec_get_info_bits(node_ptr, 0) - & REC_INFO_MIN_REC_FLAG; - - if (!is_min_rec) { - cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); - - ut_a(cursor->ibuf_cnt <= 0xFFFF - || cursor->ibuf_cnt == ULINT_UNDEFINED); - } - } - - offsets = rec_get_offsets( - node_ptr, index, offsets, ULINT_UNDEFINED, &heap); - - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - - goto search_loop; - -loop_end: if (level != 0) { /* x-latch the page */ page = btr_page_get( @@ -743,6 +729,35 @@ loop_end: || mode != PAGE_CUR_LE); ut_ad(cursor->low_match != ULINT_UNDEFINED || mode != PAGE_CUR_LE); + + /* If this was a delete operation, the leaf page was + in the buffer pool, and a matching record was found in + the leaf page, attempt to delete it. If the deletion + fails, set the cursor flag accordingly. */ + if (UNIV_UNLIKELY(btr_op == BTR_DELETE_OP) + && low_match == dtuple_get_n_fields(tuple) + && !page_cur_is_before_first(page_cursor)) { + + /* Before attempting to purge a record, check + if it is safe to do so. */ + if (!row_purge_poss_sec(cursor->purge_node, + index, tuple)) { + + cursor->flag = BTR_CUR_DELETE_REF; + } else { + /* Only delete-marked records should + be purged. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits( + btr_cur_get_rec(cursor), + page_is_comp(page))); + + if (!btr_cur_optimistic_delete(cursor, mtr)) { + + cursor->flag = BTR_CUR_DELETE_FAILED; + } + } + } } func_exit: diff --git a/include/btr0btr.h b/include/btr0btr.h index c84e529a2e1..64244b93c6a 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -65,11 +65,6 @@ insert/delete buffer. */ buffer. */ #define BTR_DELETE 8192 -/* If the leaf page is not in the buffer pool: don't read it in, set -cursor->flag = BTR_CUR_ABORTED, and set buf_pool_t::watch_* that -watches for the page to get read in. */ -#define BTR_WATCH_LEAF 16384 - /****************************************************************** Gets the root node of a tree and x-latches it. */ UNIV_INTERN diff --git a/include/btr0cur.h b/include/btr0cur.h index 8281e55274a..321b7fe03d4 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -601,6 +601,7 @@ to know struct size! */ struct btr_cur_struct { dict_index_t* index; /* index where positioned */ page_cur_t page_cur; /* page cursor */ + purge_node_t* purge_node; /* purge node, for BTR_DELETE */ buf_block_t* left_block; /* this field is used to store a pointer to the left neighbor page, in the cases @@ -696,9 +697,9 @@ struct btr_cur_struct { mark in the insert/delete buffer */ #define BTR_CUR_DELETE_IBUF 6 /* performed the intended delete in the insert/delete buffer */ -#define BTR_CUR_ABORTED 7 /* search with BTR_CHECK_LEAF - aborted due to leaf page not being - in buffer pool */ +#define BTR_CUR_DELETE_REF 7 /* row_purge_poss_sec() failed */ +#define BTR_CUR_DELETE_FAILED 8 /* an optimistic delete could not + be performed */ /* If pessimistic delete fails because of lack of file space, there is still a good change of success a little later: try this many times, diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index e9f2eb57f95..1978ac27eca 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -89,7 +89,7 @@ ibuf_should_try( ibuf_flush_count++; - if (ibuf_flush_count % 8 == 0) { + if (ibuf_flush_count % 4 == 0) { buf_LRU_try_free_flushed_blocks(); } diff --git a/include/row0purge.h b/include/row0purge.h index 0950b7c1174..70509e71462 100644 --- a/include/row0purge.h +++ b/include/row0purge.h @@ -28,6 +28,29 @@ row_purge_node_create( que_thr_t* parent, /* in: parent node, i.e., a thr node */ mem_heap_t* heap); /* in: memory heap where created */ /*************************************************************** +Determines if it is possible to remove a secondary index entry. +Removal is possible if the secondary index entry does not refer to any +not delete marked version of a clustered index record where DB_TRX_ID +is newer than the purge view. + +NOTE: This function should only be called by the purge thread, only +while holding a latch on the leaf page of the secondary index entry +(or keeping the buffer pool watch on the page). It is possible that +this function first returns TRUE and then FALSE, if a user transaction +inserts a record that the secondary index entry would refer to. +However, in that case, the user transaction would also re-insert the +secondary index entry after purge has removed it and released the leaf +page latch. */ +UNIV_INTERN +ibool +row_purge_poss_sec( +/*===============*/ + /* out: TRUE if the secondary index + record can be purged */ + purge_node_t* node, /* in/out: row purge node */ + dict_index_t* index, /* in: secondary index */ + const dtuple_t* entry); /* in: secondary index entry */ +/*************************************************************** Does the purge operation for a single undo log record. This is a high-level function used in an SQL execution graph. */ UNIV_INTERN diff --git a/include/row0row.h b/include/row0row.h index 310c1aaaffe..f98e5b71a2f 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -271,8 +271,10 @@ enum row_search_result { secondary index leaf page was not in the buffer pool, and the operation was enqueued in the insert/delete buffer */ - ROW_NOT_IN_POOL /* BTR_WATCH_LEAF was specified and the - record was not in the buffer pool */ + ROW_NOT_DELETED_REF, /* BTR_DELETE was specified, and + row_purge_poss_sec() failed */ + ROW_NOT_DELETED, /* BTR_DELETE was specified, and the + optimistic delete failed */ }; /******************************************************************* diff --git a/row/row0purge.c b/row/row0purge.c index cf13cb1d028..dde7bf5502c 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -198,34 +198,68 @@ retry: } /*************************************************************** -Removes a secondary index entry if possible, without trying to use the -insert/delete buffer. */ +Determines if it is possible to remove a secondary index entry. +Removal is possible if the secondary index entry does not refer to any +not delete marked version of a clustered index record where DB_TRX_ID +is newer than the purge view. + +NOTE: This function should only be called by the purge thread, only +while holding a latch on the leaf page of the secondary index entry +(or keeping the buffer pool watch on the page). It is possible that +this function first returns TRUE and then FALSE, if a user transaction +inserts a record that the secondary index entry would refer to. +However, in that case, the user transaction would also re-insert the +secondary index entry after purge has removed it and released the leaf +page latch. */ +UNIV_INTERN +ibool +row_purge_poss_sec( +/*===============*/ + /* out: TRUE if the secondary index + record can be purged */ + purge_node_t* node, /* in/out: row purge node */ + dict_index_t* index, /* in: secondary index */ + const dtuple_t* entry) /* in: secondary index entry */ +{ + ibool can_delete; + mtr_t mtr; + + ut_ad(!dict_index_is_clust(index)); + mtr_start(&mtr); + + can_delete = !row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr) + || !row_vers_old_has_index_entry(TRUE, + btr_pcur_get_rec(&node->pcur), + &mtr, index, entry); + + btr_pcur_commit_specify_mtr(&node->pcur, &mtr); + + return(can_delete); +} + +/*************************************************************** +Removes a secondary index entry if possible, by modifying the +index tree. Does not try to buffer the delete. */ static ibool -row_purge_remove_sec_if_poss_low_nonbuffered( -/*=========================================*/ +row_purge_remove_sec_if_poss_tree( +/*==============================*/ /* out: TRUE if success or if not found */ purge_node_t* node, /* in: row purge node */ dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: index entry */ - ulint mode) /* in: latch mode BTR_MODIFY_LEAF or - BTR_MODIFY_TREE */ + const dtuple_t* entry) /* in: index entry */ { btr_pcur_t pcur; btr_cur_t* btr_cur; - ibool success; - ibool old_has = FALSE; + ibool success = TRUE; ulint err; mtr_t mtr; - mtr_t mtr_vers; enum row_search_result search_result; log_free_check(); mtr_start(&mtr); - ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - - search_result = row_search_index_entry(index, entry, mode, + search_result = row_search_index_entry(index, entry, BTR_MODIFY_TREE, &pcur, &mtr); switch (search_result) { @@ -242,17 +276,15 @@ row_purge_remove_sec_if_poss_low_nonbuffered( /* fputs("PURGE:........sec entry not found\n", stderr); */ /* dtuple_print(stderr, entry); */ - - success = TRUE; goto func_exit; case ROW_FOUND: break; case ROW_BUFFERED: - case ROW_NOT_IN_POOL: + case ROW_NOT_DELETED_REF: + case ROW_NOT_DELETED: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or - BTR_WATCH_LEAF. */ + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ ut_error; } @@ -262,33 +294,23 @@ row_purge_remove_sec_if_poss_low_nonbuffered( which cannot be purged yet, requires its existence. If some requires, we should do nothing. */ - mtr_start(&mtr_vers); - - success = row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr_vers); - - if (success) { - old_has = row_vers_old_has_index_entry( - TRUE, btr_pcur_get_rec(&(node->pcur)), - &mtr_vers, index, entry); - } - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); - - if (!old_has) { + if (row_purge_poss_sec(node, index, entry)) { /* Remove the index record, which should have been marked for deletion. */ ut_ad(REC_INFO_DELETED_FLAG & rec_get_info_bits(btr_cur_get_rec(btr_cur), dict_table_is_comp(index->table))); - if (mode == BTR_MODIFY_LEAF) { - success = btr_cur_optimistic_delete(btr_cur, &mtr); - } else { - ut_ad(mode == BTR_MODIFY_TREE); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - RB_NONE, &mtr); - success = err == DB_SUCCESS; - ut_a(success || err == DB_OUT_OF_FILE_SPACE); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NONE, &mtr); + switch (UNIV_EXPECT(err, DB_SUCCESS)) { + case DB_SUCCESS: + break; + case DB_OUT_OF_FILE_SPACE: + success = FALSE; + break; + default: + ut_error; } } @@ -300,88 +322,30 @@ func_exit: } /*************************************************************** -Removes a secondary index entry if possible. */ +Removes a secondary index entry without modifying the index tree, +if possible. */ static ibool -row_purge_remove_sec_if_poss_low( -/*=============================*/ +row_purge_remove_sec_if_poss_leaf( +/*==============================*/ /* out: TRUE if success or if not found */ purge_node_t* node, /* in: row purge node */ dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: index entry */ - ulint mode) /* in: latch mode BTR_MODIFY_LEAF or - BTR_MODIFY_TREE */ + const dtuple_t* entry) /* in: index entry */ { mtr_t mtr; btr_pcur_t pcur; - ibool old_has = FALSE; enum row_search_result search_result; - if (mode == BTR_MODIFY_TREE) { - /* Can't use the insert/delete buffer if we potentially - need to split pages. */ - goto unbuffered; - } - - ut_ad(mode == BTR_MODIFY_LEAF); - log_free_check(); mtr_start(&mtr); - search_result = row_search_index_entry( - index, entry, BTR_SEARCH_LEAF | BTR_WATCH_LEAF, &pcur, &mtr); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - switch (search_result) { - case ROW_NOT_FOUND: - /* Index entry does not exist, nothing to do. */ - return(TRUE); - - case ROW_FOUND: - /* The index entry exists and is in the buffer pool; - no need to use the insert/delete buffer. */ - goto unbuffered; - - case ROW_BUFFERED: - /* We did not pass any BTR_INSERT, BTR_DELETE, or - BTR_DELETE_MARK flag. Therefore, the operation must - not have been buffered yet. */ - ut_error; - - case ROW_NOT_IN_POOL: - break; - } - - /* We should remove the index record if no later version of - the row, which cannot be purged yet, requires its existence. - If some requires, we should do nothing. */ - - mtr_start(&mtr); - - if (row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr)) { - old_has = row_vers_old_has_index_entry( - TRUE, btr_pcur_get_rec(&node->pcur), - &mtr, index, entry); - } - - btr_pcur_commit_specify_mtr(&node->pcur, &mtr); - - if (old_has) { - /* Can't remove the index record yet. */ - - buf_pool_watch_clear(); - - return(TRUE); - } - - mtr_start(&mtr); - + /* Set the purge node for the call to row_purge_poss_sec(). */ + pcur.btr_cur.purge_node = node; /* Set the query thread, so that ibuf_insert_low() will be able to invoke thd_get_trx(). */ - btr_pcur_get_btr_cur(&pcur)->thr = que_node_get_parent(node); + pcur.btr_cur.thr = que_node_get_parent(node); search_result = row_search_index_entry( index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); @@ -389,31 +353,25 @@ row_purge_remove_sec_if_poss_low( btr_pcur_close(&pcur); mtr_commit(&mtr); - buf_pool_watch_clear(); - switch (search_result) { + case ROW_NOT_DELETED: + /* The index entry could not be deleted. */ + return(FALSE); + + case ROW_NOT_DELETED_REF: + /* The index entry is still needed. */ case ROW_NOT_FOUND: - /* Index entry does not exist, nothing to do. */ - return(TRUE); + /* The index entry does not exist, nothing to do. */ case ROW_FOUND: - /* The index entry exists and is in the buffer pool; - no need to use the insert/delete buffer. */ - break; - + /* The index entry existed in the buffer pool + and was deleted because of the BTR_DELETE. */ case ROW_BUFFERED: + /* The deletion was buffered. */ return(TRUE); - - case ROW_NOT_IN_POOL: - /* BTR_WATCH_LEAF was not specified, - so this should not occur! */ - ut_error; } - /* Page read into buffer pool or delete-buffering failed. */ - -unbuffered: - return(row_purge_remove_sec_if_poss_low_nonbuffered(node, index, - entry, mode)); + ut_error; + return(FALSE); } /*************************************************************** @@ -431,15 +389,12 @@ row_purge_remove_sec_if_poss( /* fputs("Purge: Removing secondary record\n", stderr); */ - success = row_purge_remove_sec_if_poss_low(node, index, entry, - BTR_MODIFY_LEAF); - if (success) { + if (row_purge_remove_sec_if_poss_leaf(node, index, entry)) { return; } retry: - success = row_purge_remove_sec_if_poss_low(node, index, entry, - BTR_MODIFY_TREE); + success = row_purge_remove_sec_if_poss_tree(node, index, entry); /* The delete operation may fail if we have little file space left: TODO: easiest to crash the database and restart with more file space */ diff --git a/row/row0row.c b/row/row0row.c index d86fdbfb92d..594fb33fd0c 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -802,11 +802,13 @@ row_search_index_entry( btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); switch (btr_pcur_get_btr_cur(pcur)->flag) { - case BTR_CUR_ABORTED: - /* We did not read in the leaf page, thus we can't have - found anything. */ - ut_a(mode & BTR_WATCH_LEAF); - return(ROW_NOT_IN_POOL); + case BTR_CUR_DELETE_REF: + ut_a(mode & BTR_DELETE); + return(ROW_NOT_DELETED_REF); + + case BTR_CUR_DELETE_FAILED: + ut_a(mode & BTR_DELETE); + return(ROW_NOT_DELETED); case BTR_CUR_DEL_MARK_IBUF: case BTR_CUR_DELETE_IBUF: diff --git a/row/row0uins.c b/row/row0uins.c index 846a897694c..2f935dbcc8b 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -152,11 +152,11 @@ row_undo_ins_remove_sec_low( case ROW_FOUND: break; case ROW_BUFFERED: - case ROW_NOT_IN_POOL: + case ROW_NOT_DELETED: + case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or - BTR_WATCH_LEAF. */ + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ ut_error; } diff --git a/row/row0umod.c b/row/row0umod.c index 8ffd356714e..15e0834b661 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -331,11 +331,11 @@ row_undo_mod_del_mark_or_remove_sec_low( case ROW_FOUND: break; case ROW_BUFFERED: - case ROW_NOT_IN_POOL: + case ROW_NOT_DELETED: + case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or - BTR_WATCH_LEAF. */ + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ ut_error; } @@ -468,11 +468,11 @@ row_undo_mod_del_unmark_sec_and_undo_update( switch (search_result) { case ROW_BUFFERED: - case ROW_NOT_IN_POOL: + case ROW_NOT_DELETED: + case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK, or - BTR_WATCH_LEAF. */ + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ ut_error; case ROW_NOT_FOUND: fputs("InnoDB: error in sec index entry del undo in\n" diff --git a/row/row0upd.c b/row/row0upd.c index fd0fed97239..45760357eae 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1454,8 +1454,8 @@ row_upd_sec_index_entry( rec = btr_cur_get_rec(btr_cur); switch (search_result) { - case ROW_NOT_IN_POOL: - /* This should only occur for BTR_WATCH_LEAF. */ + case ROW_NOT_DELETED: /* should only occur for BTR_DELETE */ + case ROW_NOT_DELETED_REF: /* should only occur for BTR_DELETE */ ut_error; break; case ROW_BUFFERED: From 45675cb7281dc9d7bbf740bf09526f0855f1846e Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 13:34:58 +0000 Subject: [PATCH 107/400] branches/innodb+: ibuf_merge_or_delete_for_page(): Replace a double if with a single functionally equivalent if. --- ibuf/ibuf0ibuf.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c2a155a5526..5118a1513d5 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3990,11 +3990,11 @@ ibuf_merge_or_delete_for_page( } mtr_commit(&mtr); } - } else if (block) { - if (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no)) { - return; - } + } else if (block + && (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no))) { + + return; } ibuf_enter(); From cf56260eac05b1c36a3cdc86ad2f759bc01734b3 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 12 Dec 2008 14:18:52 +0000 Subject: [PATCH 108/400] branches/innodb+: Merge revisions 3498:3519 from branches/zip: ------------------------------------------------------------------------ r3514 | marko | 2008-12-12 13:39:40 +0200 (Fri, 12 Dec 2008) | 3 lines branches/zip: btr_cur_search_to_nth_level(): Remove a duplicate check for (rw_latch != RW_NO_LATCH) around debug code. ------------------------------------------------------------------------ Other branches/zip revisions in that range were backported from branches/innodb+ and were thus not merged back to branches/innodb+. --- btr/btr0cur.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 638c1fe6e19..c6d4b719e90 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -623,17 +623,13 @@ retry_page_get: block->check_index_page_at_flush = TRUE; page = buf_block_get_frame(block); -#ifdef UNIV_ZIP_DEBUG if (rw_latch != RW_NO_LATCH) { - const page_zip_des_t* page_zip; - - page_zip = buf_block_get_page_zip(block); - +#ifdef UNIV_ZIP_DEBUG + const page_zip_des_t* page_zip + = buf_block_get_page_zip(block); ut_a(!page_zip || page_zip_validate(page_zip, page)); - } #endif /* UNIV_ZIP_DEBUG */ - if (rw_latch != RW_NO_LATCH) { buf_block_dbg_add_level(block, SYNC_TREE_NODE); } From 6b6d797c13472b9706d53ca2194b6b2352f11715 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 16 Dec 2008 09:00:40 +0000 Subject: [PATCH 109/400] branches/innodb+: ibuf_insert_low(): Use common error handling when holding a latch on the insert buffer bitmap page. --- ibuf/ibuf0ibuf.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 5118a1513d5..2d4646a4bd7 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3304,11 +3304,8 @@ ibuf_insert_low( if (buf_page_peek(space, page_no) || lock_rec_expl_exist_on_page(space, page_no)) { - err = DB_STRONG_FAIL; - mtr_commit(&bitmap_mtr); - - goto function_exit; + goto bitmap_fail; } if (op == IBUF_OP_INSERT) { @@ -3318,11 +3315,10 @@ ibuf_insert_low( if (buffered + entry_size + page_dir_calc_reserved_space(1) > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { + /* Release the bitmap page latch early. */ mtr_commit(&bitmap_mtr); /* It may not fit */ - err = DB_STRONG_FAIL; - do_merge = TRUE; ibuf_get_merge_page_nos( @@ -3330,6 +3326,8 @@ ibuf_insert_low( space_ids, space_versions, page_nos, &n_stored); + err = DB_STRONG_FAIL; + goto function_exit; } } @@ -3339,6 +3337,7 @@ ibuf_insert_low( some cases. */ if (!ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, mode == BTR_MODIFY_PREV, &mtr)) { +bitmap_fail: err = DB_STRONG_FAIL; mtr_commit(&bitmap_mtr); From a6746e21e57e1f968d799b83f449b29eacae8000 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 16 Dec 2008 10:25:39 +0000 Subject: [PATCH 110/400] branches/innodb+: Merge revisions 3519:3541 from branches/zip: ------------------------------------------------------------------------ r3537 | marko | 2008-12-16 10:24:03 +0200 (Tue, 16 Dec 2008) | 3 lines branches/zip: sync_thread_add_level(): Add a comment explaining the assertion about SYNC_BUF_POOL and SYNC_BUF_BLOCK. ------------------------------------------------------------------------ r3540 | marko | 2008-12-16 12:13:31 +0200 (Tue, 16 Dec 2008) | 2 lines branches/zip: buf_page_init_for_read(): Use common code for error exit. ------------------------------------------------------------------------ r3541 | marko | 2008-12-16 12:14:58 +0200 (Tue, 16 Dec 2008) | 3 lines branches/zip: btr_cur_optimistic_delete(): Note that no further pages must be latched before calling mtr_commit(mtr) if the function returns TRUE. ------------------------------------------------------------------------ --- btr/btr0cur.c | 5 ++++- buf/buf0buf.c | 18 +++++++----------- include/btr0cur.h | 5 ++++- sync/sync0sync.c | 3 +++ 4 files changed, 18 insertions(+), 13 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index c6d4b719e90..3fe1bf1713b 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -2863,7 +2863,10 @@ btr_cur_optimistic_delete( delete; cursor stays valid: if deletion succeeds, on function exit it points to the successor of the deleted record */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /* in: mtr; if this function returns + TRUE on a leaf page of a secondary + index, the mtr must be committed + before latching any further pages */ { buf_block_t* block; rec_t* rec; diff --git a/buf/buf0buf.c b/buf/buf0buf.c index acb9af524f9..2ad170acd99 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2694,15 +2694,8 @@ err_exit: mutex_exit(&block->mutex); } -err_exit2: - buf_pool_mutex_exit(); - - if (mode == BUF_READ_IBUF_PAGES_ONLY) { - - mtr_commit(&mtr); - } - - return(NULL); + bpage = NULL; + goto func_exit; } if (fil_tablespace_deleted_or_being_deleted_in_mem( @@ -2783,7 +2776,9 @@ err_exit2: /* The block was added by some other thread. */ buf_buddy_free(bpage, sizeof *bpage); buf_buddy_free(data, zip_size); - goto err_exit2; + + bpage = NULL; + goto func_exit; } page_zip_des_init(&bpage->zip); @@ -2824,6 +2819,7 @@ err_exit2: } buf_pool->n_pend_reads++; +func_exit: buf_pool_mutex_exit(); if (mode == BUF_READ_IBUF_PAGES_ONLY) { @@ -2831,7 +2827,7 @@ err_exit2: mtr_commit(&mtr); } - ut_ad(buf_page_in_file(bpage)); + ut_ad(!bpage || buf_page_in_file(bpage)); return(bpage); } diff --git a/include/btr0cur.h b/include/btr0cur.h index 321b7fe03d4..c516dd8f8f3 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -340,7 +340,10 @@ btr_cur_optimistic_delete( cursor stays valid: if deletion succeeds, on function exit it points to the successor of the deleted record */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /* in: mtr; if this function returns + TRUE on a leaf page of a secondary + index, the mtr must be committed + before latching any further pages */ /***************************************************************** Removes the record on which the tree cursor is positioned. Tries to compress the page if its fillfactor drops below a threshold diff --git a/sync/sync0sync.c b/sync/sync0sync.c index f8c3cbdf4a8..ba716ed9551 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1079,6 +1079,9 @@ sync_thread_add_level( } break; case SYNC_BUF_BLOCK: + /* Either the thread must own the buffer pool mutex + (buf_pool_mutex), or it is allowed to latch only ONE + buffer block (block->mutex or buf_pool_zip_mutex). */ ut_a((sync_thread_levels_contain(array, SYNC_BUF_POOL) && sync_thread_levels_g(array, SYNC_BUF_BLOCK - 1)) || sync_thread_levels_g(array, SYNC_BUF_BLOCK)); From 49e3685548f0be5557ce87feeaf1b340dbe71c5f Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 16 Dec 2008 13:56:48 +0000 Subject: [PATCH 111/400] branches/innodb+: Merge revisions 3541:3544 from branches/zip: ------------------------------------------------------------------------ r3541 | marko | 2008-12-16 12:14:58 +0200 (Tue, 16 Dec 2008) | 3 lines branches/zip: btr_cur_optimistic_delete(): Note that no further pages must be latched before calling mtr_commit(mtr) if the function returns TRUE. ------------------------------------------------------------------------ r3544 | marko | 2008-12-16 15:52:36 +0200 (Tue, 16 Dec 2008) | 20 lines branches/zip: Do not update the free bits in the insert buffer bitmap when inserting or deleting from the insert buffer B-tree. Assert that records in the insert buffer B-tree are never updated. This could cure Issue #135. btr_cur_optimistic_insert(): Do not update the insert buffer bitmap when inserting to the insert buffer tree. btr_cur_optimistic_delete(): Do not update the insert buffer bitmap when deleting from the insert buffer tree. This could be the cause of the assertion failure that was reported in Issue #135. btr_cur_update_alloc_zip(): Assert that the index is not the insert buffer. The insert buffer will never be stored in compressed format. btr_cur_update_in_place(), btr_cur_optimistic_update(), btr_cur_pessimistic_update(): Assert that these functions are never invoked on the insert buffer tree. The insert buffer only supports the insertion and deletion of records. ------------------------------------------------------------------------ --- btr/btr0cur.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 3fe1bf1713b..cf7db3faf25 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -1357,7 +1357,9 @@ fail_err: buf_block_get_page_no(block), max_size, rec_size + PAGE_DIR_SLOT_SIZE, index->type); #endif - if (!dict_index_is_clust(index) && leaf) { + if (leaf + && !dict_index_is_clust(index) + && !dict_index_is_ibuf(index)) { /* Update the free bits of the B-tree page in the insert buffer bitmap. */ @@ -1738,6 +1740,7 @@ btr_cur_update_alloc_zip( { ut_a(page_zip == buf_block_get_page_zip(block)); ut_ad(page_zip); + ut_ad(!dict_index_is_ibuf(index)); if (page_zip_available(page_zip, dict_index_is_clust(index), length, 0)) { @@ -1814,6 +1817,9 @@ btr_cur_update_in_place( rec = btr_cur_get_rec(cursor); index = cursor->index; ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); + trx = thr_get_trx(thr); offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); #ifdef UNIV_DEBUG @@ -1950,6 +1956,8 @@ btr_cur_optimistic_update( index = cursor->index; ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); heap = mem_heap_create(1024); offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); @@ -2213,6 +2221,8 @@ btr_cur_pessimistic_update( #ifdef UNIV_ZIP_DEBUG ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); optim_err = btr_cur_optimistic_update(flags, cursor, update, cmpl_info, thr, mtr); @@ -2916,10 +2926,12 @@ btr_cur_optimistic_delete( #endif /* UNIV_ZIP_DEBUG */ if (dict_index_is_clust(cursor->index) + || dict_index_is_ibuf(cursor->index) || !page_is_leaf(page)) { /* The insert buffer does not handle - inserts to clustered indexes or to non-leaf - pages of secondary index B-trees. */ + inserts to clustered indexes, to + non-leaf pages of secondary index B-trees, + or to the insert buffer. */ } else if (page_zip) { ibuf_update_free_bits_zip(block, mtr); } else { From 7e03ac49a1d075d77dab2b95792b4aefa7f2aa1f Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 16 Dec 2008 21:23:32 +0000 Subject: [PATCH 112/400] branches/innodb+: row_ins_index_entry_low(): Do not attempt to buffer inserts into the clustered index, so that the ut_ad() introduced in r3475 will not fail. --- row/row0ins.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/row/row0ins.c b/row/row0ins.c index 5d9cd877ca3..7653193c087 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -1998,7 +1998,7 @@ row_ins_index_entry_low( que_thr_t* thr) /* in: query thread */ { btr_cur_t cursor; - ulint ignore_sec_unique = 0; + ulint search_mode; ulint modify = 0; /* remove warning */ rec_t* insert_rec; rec_t* rec; @@ -2018,18 +2018,22 @@ row_ins_index_entry_low( the function will return in both low_match and up_match of the cursor sensible values */ - if (!(thr_get_trx(thr)->check_unique_secondary)) { - ignore_sec_unique = BTR_IGNORE_SEC_UNIQUE; + if (dict_index_is_clust(index)) { + search_mode = mode; + } else if (!(thr_get_trx(thr)->check_unique_secondary)) { + search_mode = mode | BTR_INSERT | BTR_IGNORE_SEC_UNIQUE; + } else { + search_mode = mode | BTR_INSERT; } btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, - mode | BTR_INSERT | ignore_sec_unique, - &cursor, 0, &mtr); + search_mode, &cursor, 0, &mtr); if (cursor.flag == BTR_CUR_INSERT_TO_IBUF) { /* The insertion was made to the insert buffer already during the search: we are done */ + ut_ad(search_mode & BTR_INSERT); err = DB_SUCCESS; goto function_exit; From 5d39f2c564b0279753b86300d52e79f4e66a71e1 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Dec 2008 12:48:23 +0000 Subject: [PATCH 113/400] branches/innodb+: Merge revisions 3544:3575 from branches/zip: ------------------------------------------------------------------------ r3572 | marko | 2008-12-17 11:19:56 +0200 (Wed, 17 Dec 2008) | 3 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/btr/btr0sea.c M /branches/zip/buf/buf0buf.c M /branches/zip/buf/buf0lru.c M /branches/zip/ha/ha0ha.c M /branches/zip/ha/hash0hash.c M /branches/zip/include/buf0buf.h M /branches/zip/include/ha0ha.h M /branches/zip/include/ha0ha.ic M /branches/zip/include/hash0hash.h M /branches/zip/include/univ.i branches/zip: Introduce UNIV_AHI_DEBUG for debugging the adaptive hash index without enabling UNIV_DEBUG. ------------------------------------------------------------------------ r3574 | marko | 2008-12-17 12:44:31 +0200 (Wed, 17 Dec 2008) | 2 lines Changed paths: M /branches/zip/ChangeLog branches/zip: ChangeLog: Document recent changes that were not included in InnoDB Plugin 1.0.2, except changes to source code comments. ------------------------------------------------------------------------ r3575 | marko | 2008-12-17 14:40:58 +0200 (Wed, 17 Dec 2008) | 12 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/include/row0sel.h M /branches/zip/include/row0upd.h M /branches/zip/pars/pars0pars.c M /branches/zip/row/row0mysql.c M /branches/zip/row/row0sel.c M /branches/zip/row/row0upd.c branches/zip: Remove update-in-place-in-select from the internal SQL interpreter. It was only used for updating the InnoDB internal data dictionary when renaming or dropping tables. It could have caused deadlocks after acquiring latches on insert buffer bitmap pages. This and r3544 should fix Issue #135. Furthermore, the update-in-place-in-select does not account for compression failure. That was not a problem yet, since the InnoDB SQL interpreter has so far assumed ROW_FORMAT=REDUNDANT. rb://63 approved by Heikki Tuuri ------------------------------------------------------------------------ --- ChangeLog | 91 +++++++++++++++++++++++++++++++++++++++++++++ btr/btr0sea.c | 6 +-- buf/buf0buf.c | 4 +- buf/buf0lru.c | 4 +- ha/ha0ha.c | 36 ++++++++++-------- ha/hash0hash.c | 4 +- include/buf0buf.h | 4 +- include/ha0ha.h | 24 ++++++------ include/ha0ha.ic | 14 +++---- include/hash0hash.h | 4 +- include/row0sel.h | 7 ---- include/row0upd.h | 15 -------- include/univ.i | 2 + pars/pars0pars.c | 13 ------- row/row0mysql.c | 1 - row/row0sel.c | 65 ++++---------------------------- row/row0upd.c | 64 ------------------------------- 17 files changed, 154 insertions(+), 204 deletions(-) diff --git a/ChangeLog b/ChangeLog index c747cce1cc4..d1bc1a66dba 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,94 @@ +2008-12-17 The InnoDB Team + + * include/row0upd.h, include/row0sel.h, pars/pars0pars.c, + row/row0upd.c, row/row0sel.c, row/row0mysql.c: + Remove update-in-place select from the internal SQL interpreter. + It was only used for updating the InnoDB internal data dictionary + when renaming or dropping tables. It could have caused deadlocks + when acquiring latches on insert buffer bitmap pages. + +2008-12-17 The InnoDB Team + + * include/univ.i, include/buf0buf.h, include/hash0hash.h, + include/ha0ha.h, include/ha0ha.ic, ha/ha0ha.c, ha/hash0hash.c, + btr/btr0sea.c, buf/buf0lru.c, buf/buf0buf.c: + Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling + adaptive hash index debugging independently of UNIV_DEBUG. + +2008-12-16 The InnoDB Team + + * btr/btr0cur.c: + Do not update the free bits in the insert buffer bitmap when + inserting or deleting from the insert buffer B-tree. Assert that + records in the insert buffer B-tree are never updated. + +2008-12-12 The InnoDB Team + + * include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0types.h, + include/ibuf0ibuf.ic, ibuf/ibuf0ibuf.c, + buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c: + Clean up the insert buffer subsystem so that only one insert + buffer B-tree exists. + + Originally, there were provisions in InnoDB for multiple insert + buffer B-trees, apparently one for each tablespace. + + When Heikki Tuuri implemented multiple InnoDB tablespaces in + MySQL/InnoDB 4.1, he made the insert buffer live only in the + system tablespace (space 0) but left the provisions in the code. + +2008-12-11 The InnoDB Team + + * include/srv0srv.h, srv/srv0srv.c, os/os0proc.c: + Fix the issue that the InnoDB plugin fails if + innodb_buffer_pool_size is defined bigger than 4096M on 64-bit + Windows. This bug should not have affected other 64-bit systems. + +2008-12-09 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#40386 Not flushing query cache after truncate. + + ha_statistics.records cannot be 0 unless the table is empty, set + to 1 instead. The original problem of Bug#29507 has been fixed in + the server. + +2008-12-09 The InnoDB Team + + * handler/ha_innodb.cc, srv/srv0srv.c, trx/trx0trx.c: + Fix Bug#40760 Getting database deadlocks on simultaneous inserts. + + The config param innodb_thread_concurrency is dynamically set and + is read when a thread enters/exits innodb. If the value is + changed between the enter and exit time the behaviour becomes + erratic. The fix is not to use srv_thread_concurrency when + exiting, instead use the flag trx->declared_to_be_inside_innodb. + +2008-12-09 The InnoDB Team + + * trx/trx0undo.c: + Print 2 spaces between a timestamp and "InnoDB:" as usual. + +2008-12-09 The InnoDB Team + + * row/row0purge.c: + Allocate mtr_vers from the stack, not with mem_alloc(). + +2008-12-04 The InnoDB Team + + * include/mysql_addons.h, handler/mysql_addons.cc, + handler/ha_innodb.cc, trx/trx0i_s.c, win-plugin/win-plugin.diff: + Remove dependencies to MySQL internals (defining MYSQL_SERVER). + +2008-12-02 The InnoDB Team + + * page/page0cur.c: + When allocating space for a record from the free list of + previously purged records, zero out the DB_TRX_ID and DB_ROLL_PTR + of the purged record if the new record would not overwrite these + fields. This fixes a harmless content mismatch reported by + page_zip_validate(). + 2008-12-02 The InnoDB Team * row/row0merge.c: diff --git a/btr/btr0sea.c b/btr/btr0sea.c index ac716ce0440..617dac34a49 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -1102,7 +1102,7 @@ next_rec: block->index = NULL; cleanup: -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG if (UNIV_UNLIKELY(block->n_pointers)) { /* Corruption */ ut_print_timestamp(stderr); @@ -1118,9 +1118,9 @@ cleanup: } else { rw_lock_x_unlock(&btr_search_latch); } -#else /* UNIV_DEBUG */ +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ rw_lock_x_unlock(&btr_search_latch); -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ mem_free(folds); } diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 2ad170acd99..a3436415cb8 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -658,8 +658,10 @@ buf_block_init( block->page.in_free_list = FALSE; block->page.in_LRU_list = FALSE; block->in_unzip_LRU_list = FALSE; - block->n_pointers = 0; #endif /* UNIV_DEBUG */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + block->n_pointers = 0; +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ page_zip_des_init(&block->page.zip); mutex_create(&block->mutex, SYNC_BUF_BLOCK); diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 760a0c89575..e495cc51a31 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1551,7 +1551,9 @@ buf_LRU_block_free_non_file_page( ut_error; } - ut_ad(block->n_pointers == 0); +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(block->n_pointers == 0); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ ut_ad(!block->page.in_free_list); ut_ad(!block->page.in_flush_list); ut_ad(!block->page.in_LRU_list); diff --git a/ha/ha0ha.c b/ha/ha0ha.c index 78027d9785b..4d8d4eb4f7e 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -40,9 +40,9 @@ ha_create_func( table = hash_create(n); -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG table->adaptive = TRUE; -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /* Creating MEM_HEAP_BTR_SEARCH type heaps can potentially fail, but in practise it never should in this case, hence the asserts. */ @@ -111,9 +111,9 @@ ha_insert_for_fold_func( the same fold value already exists, it is updated to point to the same data, and no new node is created! */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* block, /* in: buffer block containing the data */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* data) /* in: data, must not be NULL */ { hash_cell_t* cell; @@ -122,7 +122,9 @@ ha_insert_for_fold_func( ulint hash; ut_ad(table && data); - ut_ad(block->frame == page_align(data)); +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(block->frame == page_align(data)); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); hash = hash_calc_hash(fold, table); @@ -133,7 +135,7 @@ ha_insert_for_fold_func( while (prev_node != NULL) { if (prev_node->fold == fold) { -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG if (table->adaptive) { buf_block_t* prev_block = prev_node->block; ut_a(prev_block->frame @@ -144,7 +146,7 @@ ha_insert_for_fold_func( } prev_node->block = block; -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ prev_node->data = data; return(TRUE); @@ -168,11 +170,11 @@ ha_insert_for_fold_func( ha_node_set_data(node, block, data); -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG if (table->adaptive) { block->n_pointers++; } -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ node->fold = fold; node->next = NULL; @@ -205,13 +207,13 @@ ha_delete_hash_node( hash_table_t* table, /* in: hash table */ ha_node_t* del_node) /* in: node to be deleted */ { -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG if (table->adaptive) { ut_a(del_node->block->frame = page_align(del_node->data)); ut_a(del_node->block->n_pointers > 0); del_node->block->n_pointers--; } -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); } @@ -247,20 +249,22 @@ ha_search_and_update_if_found_func( hash_table_t* table, /* in: hash table */ ulint fold, /* in: folded value of the searched data */ void* data, /* in: pointer to the data */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* new_block,/* in: block containing new_data */ -#endif +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* new_data)/* in: new pointer to the data */ { ha_node_t* node; ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); - ut_ad(new_block->frame == page_align(new_data)); +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(new_block->frame == page_align(new_data)); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ node = ha_search_with_data(table, fold, data); if (node) { -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG if (table->adaptive) { ut_a(node->block->n_pointers > 0); node->block->n_pointers--; @@ -268,7 +272,7 @@ ha_search_and_update_if_found_func( } node->block = new_block; -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ node->data = new_data; } } diff --git a/ha/hash0hash.c b/ha/hash0hash.c index 0587bb37495..6f7f3e32c58 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -89,9 +89,9 @@ hash_create( array = ut_malloc(sizeof(hash_cell_t) * prime); -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG table->adaptive = FALSE; -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ table->array = array; table->n_cells = prime; table->n_mutexes = 0; diff --git a/include/buf0buf.h b/include/buf0buf.h index 09664bd2258..451c9d8e96d 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1191,11 +1191,11 @@ struct buf_block_struct{ An exception to this is when we init or create a page in the buffer pool in buf0buf.c. */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ulint n_pointers; /* used in debugging: the number of pointers in the adaptive hash index pointing to this frame */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ unsigned is_hashed:1; /* TRUE if hash index has already been built on this page; note that it does not guarantee that the index is diff --git a/include/ha0ha.h b/include/ha0ha.h index 47f593564df..bf409751695 100644 --- a/include/ha0ha.h +++ b/include/ha0ha.h @@ -36,18 +36,18 @@ ha_search_and_update_if_found_func( hash_table_t* table, /* in: hash table */ ulint fold, /* in: folded value of the searched data */ void* data, /* in: pointer to the data */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* new_block,/* in: block containing new_data */ -#endif +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* new_data);/* in: new pointer to the data */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ ha_search_and_update_if_found_func(table,fold,data,new_block,new_data) -#else +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ # define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ ha_search_and_update_if_found_func(table,fold,data,new_data) -#endif +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /***************************************************************** Creates a hash table with >= n array cells. The actual number of cells is chosen to be a prime number slightly bigger than n. */ @@ -92,16 +92,16 @@ ha_insert_for_fold_func( the same fold value already exists, it is updated to point to the same data, and no new node is created! */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* block, /* in: buffer block containing the data */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* data); /* in: data, must not be NULL */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,b,d) -#else +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,d) -#endif +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /***************************************************************** Deletes an entry from a hash table. */ @@ -158,9 +158,9 @@ ha_print_info( typedef struct ha_node_struct ha_node_t; struct ha_node_struct { ha_node_t* next; /* next chain node or NULL if none */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* block; /* buffer block containing the data, or NULL */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* data; /* pointer to the data */ ulint fold; /* fold value for the data */ }; diff --git a/include/ha0ha.ic b/include/ha0ha.ic index 9f319be9725..256151c26fd 100644 --- a/include/ha0ha.ic +++ b/include/ha0ha.ic @@ -37,22 +37,22 @@ void ha_node_set_data_func( /*==================*/ ha_node_t* node, /* in: hash chain node */ -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* block, /* in: buffer block containing the data */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ void* data) /* in: pointer to the data */ { -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG node->block = block; -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ node->data = data; } -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # define ha_node_set_data(n,b,d) ha_node_set_data_func(n,b,d) -#else /* UNIV_DEBUG */ +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ # define ha_node_set_data(n,b,d) ha_node_set_data_func(n,d) -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /********************************************************************** Gets the next node in a hash chain. */ diff --git a/include/hash0hash.h b/include/hash0hash.h index 662947b2a59..0d3b409dbea 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -363,10 +363,10 @@ struct hash_cell_struct{ /* The hash table structure */ struct hash_table_struct { -#ifdef UNIV_DEBUG +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ibool adaptive;/* TRUE if this is the hash table of the adaptive hash index */ -#endif /* UNIV_DEBUG */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ ulint n_cells;/* number of cells in the hash table */ hash_cell_t* array; /* pointer to cell array */ ulint n_mutexes;/* if mutexes != NULL, then the number of diff --git a/include/row0sel.h b/include/row0sel.h index a12ca4af5ee..e20a4766323 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -280,13 +280,6 @@ struct sel_node_struct{ ibool set_x_locks; /* TRUE if the cursor is for update or delete, which means that a row x-lock should be placed on the cursor row */ - ibool select_will_do_update; - /* TRUE if the select is for a searched - update which can be performed in-place: - in this case the select will take care - of the update */ - ulint latch_mode; /* BTR_SEARCH_LEAF, or BTR_MODIFY_LEAF - if select_will_do_update is TRUE */ ulint row_lock_mode; /* LOCK_X or LOCK_S */ ulint n_tables; /* number of tables */ ulint fetch_table; /* number of the next table to access diff --git a/include/row0upd.h b/include/row0upd.h index 29166a2f466..51d3c5b110f 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -292,16 +292,6 @@ row_upd_step( /* out: query thread to run next or NULL */ que_thr_t* thr); /* in: query thread */ /************************************************************************* -Performs an in-place update for the current clustered index record in -select. */ -UNIV_INTERN -void -row_upd_in_place_in_select( -/*=======================*/ - sel_node_t* sel_node, /* in: select node */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr */ -/************************************************************************* Parses the log data of system field values. */ UNIV_INTERN byte* @@ -374,11 +364,6 @@ struct upd_node_struct{ ibool searched_update; /* TRUE if searched update, FALSE if positioned */ - ibool select_will_do_update; - /* TRUE if a searched update where ordering - fields will not be updated, and the size of - the fields will not change: in this case the - select node will take care of the update */ ibool in_mysql_interface; /* TRUE if the update node was created for the MySQL interface */ diff --git a/include/univ.i b/include/univ.i index 2232f472302..d2fee9c9832 100644 --- a/include/univ.i +++ b/include/univ.i @@ -130,6 +130,8 @@ command. Not tested on Windows. */ Valgrind instrumentation */ #define UNIV_DEBUG_PRINT /* Enable the compilation of some debug print functions */ +#define UNIV_AHI_DEBUG /* Enable adaptive hash index + debugging without UNIV_DEBUG */ #define UNIV_BUF_DEBUG /* Enable buffer pool debugging without UNIV_DEBUG */ #define UNIV_DEBUG /* Enable ut_ad() assertions diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 8cd8a531829..4d6794446d9 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -1032,19 +1032,6 @@ pars_update_statement( node->pcur = &(plan->pcur); } - if (!node->is_delete && node->searched_update - && (node->cmpl_info & UPD_NODE_NO_SIZE_CHANGE) - && (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - - /* The select node can perform the update in-place */ - - ut_a(plan->asc); - - node->select_will_do_update = TRUE; - sel_node->select_will_do_update = TRUE; - sel_node->latch_mode = BTR_MODIFY_LEAF; - } - return(node); } diff --git a/row/row0mysql.c b/row/row0mysql.c index ee404da1361..cefed4351e4 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1200,7 +1200,6 @@ row_create_update_node_for_mysql( node->in_mysql_interface = TRUE; node->is_delete = FALSE; node->searched_update = FALSE; - node->select_will_do_update = FALSE; node->select = NULL; node->pcur = btr_pcur_create_for_mysql(); node->table = table; diff --git a/row/row0sel.c b/row/row0sel.c index 620fec64b34..f0b01381ae8 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -230,9 +230,6 @@ sel_node_create( node->common.type = QUE_NODE_SELECT; node->state = SEL_NODE_OPEN; - node->select_will_do_update = FALSE; - node->latch_mode = BTR_SEARCH_LEAF; - node->plans = NULL; return(node); @@ -793,7 +790,7 @@ row_sel_get_clust_rec( index = dict_table_get_first_index(plan->table); btr_pcur_open_with_no_init(index, plan->clust_ref, PAGE_CUR_LE, - node->latch_mode, &(plan->clust_pcur), + BTR_SEARCH_LEAF, &plan->clust_pcur, 0, mtr); clust_rec = btr_pcur_get_rec(&(plan->clust_pcur)); @@ -962,7 +959,6 @@ static void row_sel_open_pcur( /*==============*/ - sel_node_t* node, /* in: select node */ plan_t* plan, /* in: table plan */ ibool search_latch_locked, /* in: TRUE if the thread currently @@ -1015,13 +1011,13 @@ row_sel_open_pcur( /* Open pcur to the index */ btr_pcur_open_with_no_init(index, plan->tuple, plan->mode, - node->latch_mode, &(plan->pcur), + BTR_SEARCH_LEAF, &plan->pcur, has_search_latch, mtr); } else { /* Open the cursor to the start or the end of the index (FALSE: no init) */ - btr_pcur_open_at_index_side(plan->asc, index, node->latch_mode, + btr_pcur_open_at_index_side(plan->asc, index, BTR_SEARCH_LEAF, &(plan->pcur), FALSE, mtr); } @@ -1043,7 +1039,6 @@ row_sel_restore_pcur_pos( function (moved to the previous, in the case of a descending cursor) without processing again the current cursor record */ - sel_node_t* node, /* in: select node */ plan_t* plan, /* in: table plan */ mtr_t* mtr) /* in: mtr */ { @@ -1054,7 +1049,7 @@ row_sel_restore_pcur_pos( relative_position = btr_pcur_get_rel_pos(&(plan->pcur)); - equal_position = btr_pcur_restore_position(node->latch_mode, + equal_position = btr_pcur_restore_position(BTR_SEARCH_LEAF, &(plan->pcur), mtr); /* If the cursor is traveling upwards, and relative_position is @@ -1173,7 +1168,7 @@ row_sel_try_search_shortcut( ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); #endif /* UNIV_SYNC_DEBUG */ - row_sel_open_pcur(node, plan, TRUE, mtr); + row_sel_open_pcur(plan, TRUE, mtr); rec = btr_pcur_get_rec(&(plan->pcur)); @@ -1274,13 +1269,6 @@ row_sel( ulint cost_counter = 0; ibool cursor_just_opened; ibool must_go_to_next; - ibool leaf_contains_updates = FALSE; - /* TRUE if select_will_do_update is - TRUE and the current clustered index - leaf page has been updated during - the current mtr: mtr must be committed - at the same time as the leaf x-latch - is released */ ibool mtr_has_extra_clust_latch = FALSE; /* TRUE if the search was made using a non-clustered index, and we had to @@ -1319,7 +1307,6 @@ table_loop: node->fetch_table changes, and after adding a row to aggregate totals and, of course, when this function is called. */ - ut_ad(leaf_contains_updates == FALSE); ut_ad(mtr_has_extra_clust_latch == FALSE); plan = sel_node_get_nth_plan(node, node->fetch_table); @@ -1394,7 +1381,7 @@ table_loop: /* Evaluate the expressions to build the search tuple and open the cursor */ - row_sel_open_pcur(node, plan, search_latch_locked, &mtr); + row_sel_open_pcur(plan, search_latch_locked, &mtr); cursor_just_opened = TRUE; @@ -1403,7 +1390,7 @@ table_loop: } else { /* Restore pcur position to the index */ - must_go_to_next = row_sel_restore_pcur_pos(node, plan, &mtr); + must_go_to_next = row_sel_restore_pcur_pos(plan, &mtr); cursor_just_opened = FALSE; @@ -1744,28 +1731,6 @@ skip_lock: ut_ad(plan->pcur.latch_mode == node->latch_mode); - if (node->select_will_do_update) { - /* This is a searched update and we can do the update in-place, - saving CPU time */ - - row_upd_in_place_in_select(node, thr, &mtr); - - leaf_contains_updates = TRUE; - - /* When the database is in the online backup mode, the number - of log records for a single mtr should be small: increment the - cost counter to ensure it */ - - cost_counter += 1 + (SEL_COST_LIMIT / 8); - - if (plan->unique_search) { - - goto table_exhausted; - } - - goto next_rec; - } - if ((plan->n_rows_fetched <= SEL_PREFETCH_LIMIT) || plan->unique_search || plan->no_prefetch || plan->table->big_rows) { @@ -1799,19 +1764,6 @@ next_rec: goto commit_mtr_for_a_while; } - if (leaf_contains_updates - && btr_pcur_is_after_last_on_page(&plan->pcur)) { - - /* We must commit &mtr if we are moving to a different page, - because we have done updates to the x-latched leaf page, and - the latch would be released in btr_pcur_move_to_next, without - &mtr getting committed there */ - - ut_ad(node->asc); - - goto commit_mtr_for_a_while; - } - if (node->asc) { moved = btr_pcur_move_to_next(&(plan->pcur), &mtr); } else { @@ -1848,7 +1800,6 @@ next_table: mtr_commit(&mtr); - leaf_contains_updates = FALSE; mtr_has_extra_clust_latch = FALSE; next_table_no_mtr: @@ -1889,7 +1840,6 @@ table_exhausted: mtr_commit(&mtr); - leaf_contains_updates = FALSE; mtr_has_extra_clust_latch = FALSE; if (plan->n_rows_prefetched > 0) { @@ -1958,7 +1908,6 @@ commit_mtr_for_a_while: mtr_commit(&mtr); - leaf_contains_updates = FALSE; mtr_has_extra_clust_latch = FALSE; #ifdef UNIV_SYNC_DEBUG diff --git a/row/row0upd.c b/row/row0upd.c index 45760357eae..a3822462206 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -275,7 +275,6 @@ upd_node_create( node->common.type = QUE_NODE_UPDATE; node->state = UPD_NODE_UPDATE_CLUSTERED; - node->select_will_do_update = FALSE; node->in_mysql_interface = FALSE; node->row = NULL; @@ -2186,66 +2185,3 @@ error_handling: return(thr); } - -/************************************************************************* -Performs an in-place update for the current clustered index record in -select. */ -UNIV_INTERN -void -row_upd_in_place_in_select( -/*=======================*/ - sel_node_t* sel_node, /* in: select node */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr */ -{ - upd_node_t* node; - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ulint err; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - ut_ad(sel_node->select_will_do_update); - ut_ad(sel_node->latch_mode == BTR_MODIFY_LEAF); - ut_ad(sel_node->asc); - - node = que_node_get_parent(sel_node); - - ut_ad(que_node_get_type(node) == QUE_NODE_UPDATE); - - pcur = node->pcur; - btr_cur = btr_pcur_get_btr_cur(pcur); - - /* Copy the necessary columns from clust_rec and calculate the new - values to set */ - - row_upd_copy_columns(btr_pcur_get_rec(pcur), - rec_get_offsets(btr_pcur_get_rec(pcur), - btr_cur->index, offsets_, - ULINT_UNDEFINED, &heap), - UT_LIST_GET_FIRST(node->columns)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - row_upd_eval_new_vals(node->update); - - ut_ad(!rec_get_deleted_flag( - btr_pcur_get_rec(pcur), - dict_table_is_comp(btr_cur->index->table))); - - ut_ad(node->cmpl_info & UPD_NODE_NO_SIZE_CHANGE); - ut_ad(node->cmpl_info & UPD_NODE_NO_ORD_CHANGE); - ut_ad(node->select_will_do_update); - - err = btr_cur_update_in_place(BTR_NO_LOCKING_FLAG, btr_cur, - node->update, node->cmpl_info, - thr, mtr); - /* TODO: the above can fail with DB_ZIP_OVERFLOW if page_zip != NULL. - However, this function row_upd_in_place_in_select() is only invoked - when executing UPDATE statements of the built-in InnoDB SQL parser. - The built-in SQL is only used for InnoDB system tables, which - always are in the old, uncompressed format (ROW_FORMAT=REDUNDANT, - comp == FALSE, page_zip == NULL). */ - ut_ad(err == DB_SUCCESS); -} From cef1a128796f7bad176cf83fa4ffabe08b6ee961 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Dec 2008 21:04:41 +0000 Subject: [PATCH 114/400] branches/innodb+: Merge revisions 3575:3579 from branches/zip: ------------------------------------------------------------------------ r3577 | vasil | 2008-12-17 14:58:26 +0200 (Wed, 17 Dec 2008) | 6 lines branches/zip: Remove 2 entries from the ChangeLog about changes not big enough. Discussed with: Marko ------------------------------------------------------------------------ r3579 | marko | 2008-12-17 22:40:38 +0200 (Wed, 17 Dec 2008) | 3 lines branches/zip: row_sel_try_search_shortcut(), row_sel(): Adjust two debug assertions that should have been adjusted in r3575. ------------------------------------------------------------------------ --- ChangeLog | 10 ---------- row/row0sel.c | 4 ++-- 2 files changed, 2 insertions(+), 12 deletions(-) diff --git a/ChangeLog b/ChangeLog index d1bc1a66dba..03daaec0201 100644 --- a/ChangeLog +++ b/ChangeLog @@ -64,16 +64,6 @@ erratic. The fix is not to use srv_thread_concurrency when exiting, instead use the flag trx->declared_to_be_inside_innodb. -2008-12-09 The InnoDB Team - - * trx/trx0undo.c: - Print 2 spaces between a timestamp and "InnoDB:" as usual. - -2008-12-09 The InnoDB Team - - * row/row0purge.c: - Allocate mtr_vers from the stack, not with mem_alloc(). - 2008-12-04 The InnoDB Team * include/mysql_addons.h, handler/mysql_addons.cc, diff --git a/row/row0sel.c b/row/row0sel.c index f0b01381ae8..207a89726ba 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -1229,7 +1229,7 @@ row_sel_try_search_shortcut( goto func_exit; } - ut_ad(plan->pcur.latch_mode == node->latch_mode); + ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); plan->n_rows_fetched++; ret = SEL_FOUND; @@ -1729,7 +1729,7 @@ skip_lock: plan->n_rows_fetched++; - ut_ad(plan->pcur.latch_mode == node->latch_mode); + ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); if ((plan->n_rows_fetched <= SEL_PREFETCH_LIMIT) || plan->unique_search || plan->no_prefetch From e17aafa07a50485500ae2a20cbde7b1b65654d1e Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Dec 2008 14:02:10 +0000 Subject: [PATCH 115/400] branches/innodb+: Merge revisions 3579:3599 from branches/zip: ------------------------------------------------------------------------ r3589 | marko | 2008-12-18 15:24:44 +0200 (Thu, 18 Dec 2008) | 2 lines branches/zip: ha_innodb.cc: Do not include some unnecessary MySQL header files. ------------------------------------------------------------------------ r3594 | marko | 2008-12-19 13:58:13 +0200 (Fri, 19 Dec 2008) | 4 lines branches/zip: HASH_INSERT, HASH_DELETE: Add explicit type conversions, so that the macros will expand to valid C++. Unlike C++, C allows implicit type conversions from void* to other pointer types. ------------------------------------------------------------------------ r3597 | marko | 2008-12-22 12:27:16 +0200 (Mon, 22 Dec 2008) | 3 lines branches/zip: Pass the caller's file name and line number to row_mysql_lock_data_dictionary(), row_mysql_freeze_data_dictionary(), to better track down locking issues that involve dict_operation_lock. ------------------------------------------------------------------------ r3599 | marko | 2008-12-22 15:41:47 +0200 (Mon, 22 Dec 2008) | 36 lines branches/zip: Merge revisions 3479:3598 from branches/5.1: ------------------------------------------------------------------------ r3588 | inaam | 2008-12-18 14:26:54 +0200 (Thu, 18 Dec 2008) | 8 lines branches/5.1 It is a bug in unused code. If we don't calculate the hash value when calculating the mutex number then two pages which map to same hash value can get two different mutex numbers. Approved by: Marko ------------------------------------------------------------------------ r3590 | marko | 2008-12-18 15:33:36 +0200 (Thu, 18 Dec 2008) | 11 lines branches/5.1: When converting a record to MySQL format, copy the default column values for columns that are SQL NULL. This addresses failures in row-based replication (Bug #39648). row_prebuilt_t: Add default_rec, for the default values of the columns in MySQL format. row_sel_store_mysql_rec(): Use prebuilt->default_rec instead of padding columns. rb://64 approved by Heikki Tuuri ------------------------------------------------------------------------ r3598 | marko | 2008-12-22 15:28:03 +0200 (Mon, 22 Dec 2008) | 6 lines branches/5.1: ibuf_delete_rec(): When the record cannot be found and the tablespace has been dropped, commit the mini-transaction, so that InnoDB will not hold the insert buffer tree latch in exclusive mode, causing a potential deadlock. This bug was introduced in the fix of Bug #27276 in r2924. ------------------------------------------------------------------------ ------------------------------------------------------------------------ --- handler/ha_innodb.cc | 5 ++-- ibuf/ibuf0ibuf.c | 3 ++- include/hash0hash.h | 6 ++--- include/hash0hash.ic | 3 ++- include/row0mysql.h | 26 ++++++++++++++------- row/row0mysql.c | 24 +++++++++++-------- row/row0sel.c | 55 +++++--------------------------------------- 7 files changed, 47 insertions(+), 75 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 9cc0fcff20a..efdc4369458 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -26,13 +26,10 @@ #endif #include -#include #include #include -#include #include -#include #include /* Include necessary InnoDB headers */ @@ -2987,6 +2984,8 @@ retry: prebuilt = row_create_prebuilt(ib_table); prebuilt->mysql_row_len = table->s->reclength; + prebuilt->default_rec = table->s->default_values; + ut_ad(prebuilt->default_rec); /* Looks like MySQL-3.23 sometimes has primary key number != 0 */ diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 2d4646a4bd7..fe04f52372e 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3829,7 +3829,7 @@ ibuf_delete_rec( /* The tablespace has been dropped. It is possible that another thread has deleted the insert buffer entry. Do not complain. */ - goto func_exit; + goto commit_and_exit; } fprintf(stderr, @@ -3872,6 +3872,7 @@ ibuf_delete_rec( #endif ibuf_size_update(root, mtr); +commit_and_exit: btr_pcur_commit_specify_mtr(pcur, mtr); func_exit: diff --git a/include/hash0hash.h b/include/hash0hash.h index 0d3b409dbea..cb88d53a56a 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -94,7 +94,7 @@ do {\ \ while (struct3333->NAME != NULL) {\ \ - struct3333 = struct3333->NAME;\ + struct3333 = (TYPE*) struct3333->NAME;\ }\ \ struct3333->NAME = DATA;\ @@ -125,11 +125,11 @@ do {\ HASH_ASSERT_VALID(DATA->NAME);\ cell3333->node = DATA->NAME;\ } else {\ - struct3333 = cell3333->node;\ + struct3333 = (TYPE*) cell3333->node;\ \ while (struct3333->NAME != DATA) {\ \ - struct3333 = struct3333->NAME;\ + struct3333 = (TYPE*) struct3333->NAME;\ ut_a(struct3333);\ }\ \ diff --git a/include/hash0hash.ic b/include/hash0hash.ic index 37eb5ec2813..c9e0536a270 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -71,7 +71,8 @@ hash_get_mutex_no( ulint fold) /* in: fold */ { ut_ad(ut_is_2pow(table->n_mutexes)); - return(ut_2pow_remainder(fold, table->n_mutexes)); + return(ut_2pow_remainder(hash_calc_hash(fold, table), + table->n_mutexes)); } /**************************************************************** diff --git a/include/row0mysql.h b/include/row0mysql.h index 696adfc8cbf..b5db338fcc4 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -302,31 +302,39 @@ Locks the data dictionary exclusively for performing a table create or other data dictionary modification operation. */ UNIV_INTERN void -row_mysql_lock_data_dictionary( -/*===========================*/ - trx_t* trx); /* in: transaction */ +row_mysql_lock_data_dictionary_func( +/*================================*/ + trx_t* trx, /* in/out: transaction */ + const char* file, /* in: file name */ + ulint line); /* in: line number */ +#define row_mysql_lock_data_dictionary(trx) \ + row_mysql_lock_data_dictionary_func(trx, __FILE__, __LINE__) /************************************************************************* Unlocks the data dictionary exclusive lock. */ UNIV_INTERN void row_mysql_unlock_data_dictionary( /*=============================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /* in/out: transaction */ /************************************************************************* Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ UNIV_INTERN void -row_mysql_freeze_data_dictionary( -/*=============================*/ - trx_t* trx); /* in: transaction */ +row_mysql_freeze_data_dictionary_func( +/*==================================*/ + trx_t* trx, /* in/out: transaction */ + const char* file, /* in: file name */ + ulint line); /* in: line number */ +#define row_mysql_freeze_data_dictionary(trx) \ + row_mysql_freeze_data_dictionary_func(trx, __FILE__, __LINE__) /************************************************************************* Unlocks the data dictionary shared lock. */ UNIV_INTERN void row_mysql_unfreeze_data_dictionary( /*===============================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /* in/out: transaction */ #ifndef UNIV_HOTBACKUP /************************************************************************* Creates a table for MySQL. If the name of the table ends in @@ -609,6 +617,8 @@ struct row_prebuilt_struct { byte* ins_upd_rec_buff;/* buffer for storing data converted to the Innobase format from the MySQL format */ + const byte* default_rec; /* the default values of all columns + (a "default row") in MySQL format */ ulint hint_need_to_fetch_extra_cols; /* normally this is set to 0; if this is set to ROW_RETRIEVE_PRIMARY_KEY, diff --git a/row/row0mysql.c b/row/row0mysql.c index cefed4351e4..24ef5526a99 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1634,13 +1634,15 @@ Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ UNIV_INTERN void -row_mysql_freeze_data_dictionary( -/*=============================*/ - trx_t* trx) /* in: transaction */ +row_mysql_freeze_data_dictionary_func( +/*==================================*/ + trx_t* trx, /* in/out: transaction */ + const char* file, /* in: file name */ + ulint line) /* in: line number */ { ut_a(trx->dict_operation_lock_mode == 0); - rw_lock_s_lock(&dict_operation_lock); + rw_lock_s_lock_func(&dict_operation_lock, 0, file, line); trx->dict_operation_lock_mode = RW_S_LATCH; } @@ -1651,7 +1653,7 @@ UNIV_INTERN void row_mysql_unfreeze_data_dictionary( /*===============================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /* in/out: transaction */ { ut_a(trx->dict_operation_lock_mode == RW_S_LATCH); @@ -1665,9 +1667,11 @@ Locks the data dictionary exclusively for performing a table create or other data dictionary modification operation. */ UNIV_INTERN void -row_mysql_lock_data_dictionary( -/*===========================*/ - trx_t* trx) /* in: transaction */ +row_mysql_lock_data_dictionary_func( +/*================================*/ + trx_t* trx, /* in/out: transaction */ + const char* file, /* in: file name */ + ulint line) /* in: line number */ { ut_a(trx->dict_operation_lock_mode == 0 || trx->dict_operation_lock_mode == RW_X_LATCH); @@ -1675,7 +1679,7 @@ row_mysql_lock_data_dictionary( /* Serialize data dictionary operations with dictionary mutex: no deadlocks or lock waits can occur then in these operations */ - rw_lock_x_lock(&dict_operation_lock); + rw_lock_x_lock_func(&dict_operation_lock, 0, file, line); trx->dict_operation_lock_mode = RW_X_LATCH; mutex_enter(&(dict_sys->mutex)); @@ -1687,7 +1691,7 @@ UNIV_INTERN void row_mysql_unlock_data_dictionary( /*=============================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /* in/out: transaction */ { ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); diff --git a/row/row0sel.c b/row/row0sel.c index 207a89726ba..8d40c6c44ed 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -2670,6 +2670,7 @@ row_sel_store_mysql_rec( ulint i; ut_ad(prebuilt->mysql_template); + ut_ad(prebuilt->default_rec); ut_ad(rec_offs_validate(rec, NULL, offsets)); if (UNIV_LIKELY_NULL(prebuilt->blob_heap)) { @@ -2757,58 +2758,14 @@ row_sel_store_mysql_rec( &= ~(byte) templ->mysql_null_bit_mask; } } else { - /* MySQL seems to assume the field for an SQL NULL - value is set to zero or space. Not taking this into - account caused seg faults with NULL BLOB fields, and - bug number 154 in the MySQL bug database: GROUP BY - and DISTINCT could treat NULL values inequal. */ - int pad_char; + /* MySQL assumes that the field for an SQL + NULL value is set to the default value. */ mysql_rec[templ->mysql_null_byte_offset] |= (byte) templ->mysql_null_bit_mask; - switch (templ->type) { - case DATA_VARCHAR: - case DATA_BINARY: - case DATA_VARMYSQL: - if (templ->mysql_type - == DATA_MYSQL_TRUE_VARCHAR) { - /* This is a >= 5.0.3 type - true VARCHAR. Zero the field. */ - pad_char = 0x00; - break; - } - /* Fall through */ - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_MYSQL: - /* MySQL pads all string types (except - BLOB, TEXT and true VARCHAR) with space. */ - if (UNIV_UNLIKELY(templ->mbminlen == 2)) { - /* Treat UCS2 as a special case. */ - byte* d = mysql_rec - + templ->mysql_col_offset; - len = templ->mysql_col_len; - /* There are two UCS2 bytes per char, - so the length has to be even. */ - ut_a(!(len & 1)); - /* Pad with 0x0020. */ - while (len) { - *d++ = 0x00; - *d++ = 0x20; - len -= 2; - } - continue; - } - pad_char = 0x20; - break; - default: - pad_char = 0x00; - break; - } - - ut_ad(!pad_char || templ->mbminlen == 1); - memset(mysql_rec + templ->mysql_col_offset, - pad_char, templ->mysql_col_len); + memcpy(mysql_rec + templ->mysql_col_offset, + prebuilt->default_rec + templ->mysql_col_offset, + templ->mysql_col_len); } } From b75aeb07c0dacc44b47745f50e5322c8ec7ee198 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Dec 2008 14:49:22 +0000 Subject: [PATCH 116/400] branches/innodb+: Merge revisions 3599:3602 from branches/zip: ------------------------------------------------------------------------ r3602 | marko | 2008-12-22 16:40:17 +0200 (Mon, 22 Dec 2008) | 6 lines branches/zip: page_cur_insert_rec_zip(): When allocating insert_buf from the free list, zero out the node pointer field of the deleted record if the new record would not overwrite it. This fixes a harmless content mismatch reported by page_zip_validate() that was reported as Issue #147. rb://66 approved by Heikki Tuuri ------------------------------------------------------------------------ --- page/page0cur.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/page/page0cur.c b/page/page0cur.c index a42c0708ea1..2f50e29c736 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -1285,7 +1285,21 @@ too_small: rec_get_next_ptr(free_rec, TRUE), rec_size); - if (page_is_leaf(page) && dict_index_is_clust(index)) { + if (!page_is_leaf(page)) { + /* Zero out the node pointer of free_rec, + in case it will not be overwritten by + insert_rec. */ + + ut_ad(rec_size > REC_NODE_PTR_SIZE); + + if (rec_offs_extra_size(foffsets) + + rec_offs_data_size(foffsets) > rec_size) { + + memset(rec_get_end(free_rec, foffsets) + - REC_NODE_PTR_SIZE, 0, + REC_NODE_PTR_SIZE); + } + } else if (dict_index_is_clust(index)) { /* Zero out the DB_TRX_ID and DB_ROLL_PTR columns of free_rec, in case it will not be overwritten by insert_rec. */ From 157c2901b2fbb6f8c9681c88f62ff9eb97ebcd96 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 30 Dec 2008 20:56:29 +0000 Subject: [PATCH 117/400] branches/innodb+: Merge revisions 3602:3608 from branches/zip: ------------------------------------------------------------------------ r3607 | marko | 2008-12-30 22:33:31 +0200 (Tue, 30 Dec 2008) | 20 lines branches/zip: Remove the dependency on the MySQL HASH table implementation. Use the InnoDB hash table for keeping track of INNOBASE_SHARE objects. struct st_innobase_share: Make table_name const uchar*. Add the member table_name_hash. innobase_open_tables: Change the type from HASH to hash_table_t*. innobase_get_key(): Remove. innobase_fold_name(): New function, for computing the fold value for the InnoDB hash table. get_share(), free_share(): Use the InnoDB hash functions. innobase_end(): Free innobase_open_tables before shutting down InnoDB. Shutting down InnoDB will invalidate all memory allocated via InnoDB. rb://65 approved by Heikki Tuuri. This addresses Issue #104. ------------------------------------------------------------------------ r3608 | marko | 2008-12-30 22:45:04 +0200 (Tue, 30 Dec 2008) | 22 lines branches/zip: When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, compress the page at the same time. This is necessary, because the column information stored on the compressed page will differ between leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. This bug was reported as Issue #150. Document the similarity between btr_page_create() and btr_page_empty(). Make the function signature of btr_page_empty() identical with btr_page_create(). (This will add the parameter "level".) btr_root_raise_and_insert(): Replace some code with a call to btr_page_empty(). btr_attach_half_pages(): Assert that the page level has already been set on both block and new_block. Do not set it again. btr_discard_only_page_on_level(): Document that this function is probably never called. Make it work on any height tree. (Tested on 2-high tree by disabling btr_lift_page_up().) rb://68 ------------------------------------------------------------------------ --- btr/btr0btr.c | 117 +++++++++++++++++++------------------------ handler/ha_innodb.cc | 84 ++++++++++++++++++++++--------- handler/ha_innodb.h | 3 +- 3 files changed, 112 insertions(+), 92 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 697a147e022..8ea9ff23082 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -263,7 +263,7 @@ btr_get_next_user_rec( /****************************************************************** Creates a new index page (not the root, and also not -used in page reorganization). */ +used in page reorganization). @see btr_page_empty(). */ static void btr_page_create( @@ -1068,19 +1068,21 @@ btr_parse_page_reorganize( } /***************************************************************** -Empties an index page. */ +Empties an index page. @see btr_page_create().*/ static void btr_page_empty( /*===========*/ buf_block_t* block, /* in: page to be emptied */ page_zip_des_t* page_zip,/* out: compressed page, or NULL */ - mtr_t* mtr, /* in: mtr */ - dict_index_t* index) /* in: index of the page */ + dict_index_t* index, /* in: index of the page */ + ulint level, /* in: the B-tree level of the page */ + mtr_t* mtr) /* in: mtr */ { page_t* page = buf_block_get_frame(block); ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_zip == buf_block_get_page_zip(block)); #ifdef UNIV_ZIP_DEBUG ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ @@ -1091,10 +1093,10 @@ btr_page_empty( segment headers, next page-field, etc.) is preserved intact */ if (UNIV_LIKELY_NULL(page_zip)) { - page_create_zip(block, index, - btr_page_get_level(page, mtr), mtr); + page_create_zip(block, index, level, mtr); } else { page_create(block, mtr, dict_table_is_comp(index->table)); + btr_page_set_level(page, NULL, level, mtr); } block->check_index_page_at_flush = TRUE; @@ -1156,7 +1158,6 @@ btr_root_raise_and_insert( ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), MTR_MEMO_X_LOCK)); ut_ad(mtr_memo_contains(mtr, root_block, MTR_MEMO_PAGE_X_FIX)); - btr_search_drop_page_hash_index(root_block); /* Allocate a new page to the tree. Root splitting is done by first moving the root records to the new page, emptying the root, putting @@ -1229,12 +1230,7 @@ btr_root_raise_and_insert( | REC_INFO_MIN_REC_FLAG); /* Rebuild the root page to get free space */ - if (UNIV_LIKELY_NULL(root_page_zip)) { - page_create_zip(root_block, index, level + 1, mtr); - } else { - page_create(root_block, mtr, dict_table_is_comp(index->table)); - btr_page_set_level(root, NULL, level + 1, mtr); - } + btr_page_empty(root_block, root_page_zip, index, level + 1, mtr); /* Set the next node and previous node fields, although they should already have been set. The previous node field @@ -1244,8 +1240,6 @@ btr_root_raise_and_insert( btr_page_set_next(root, root_page_zip, FIL_NULL, mtr); btr_page_set_prev(root, root_page_zip, FIL_NULL, mtr); - root_block->check_index_page_at_flush = TRUE; - page_cursor = btr_cur_get_page_cur(cursor); /* Insert node pointer to the root */ @@ -1703,6 +1697,8 @@ btr_attach_half_pages( /* Get the level of the split pages */ level = btr_page_get_level(buf_block_get_frame(block), mtr); + ut_ad(level + == btr_page_get_level(buf_block_get_frame(new_block), mtr)); /* Build the node pointer (= node key and page address) for the upper half */ @@ -1759,11 +1755,9 @@ btr_attach_half_pages( btr_page_set_prev(lower_page, lower_page_zip, prev_page_no, mtr); btr_page_set_next(lower_page, lower_page_zip, upper_page_no, mtr); - btr_page_set_level(lower_page, lower_page_zip, level, mtr); btr_page_set_prev(upper_page, upper_page_zip, lower_page_no, mtr); btr_page_set_next(upper_page, upper_page_zip, next_page_no, mtr); - btr_page_set_level(upper_page, upper_page_zip, level, mtr); } /***************************************************************** @@ -2367,11 +2361,7 @@ btr_lift_page_up( btr_search_drop_page_hash_index(block); /* Make the father empty */ - btr_page_empty(father_block, father_page_zip, mtr, index); - /* Set the level before inserting records, because - page_zip_compress() requires that the first user record - on a non-leaf page has the min_rec_mark set. */ - btr_page_set_level(father_page, father_page_zip, page_level, mtr); + btr_page_empty(father_block, father_page_zip, index, page_level, mtr); /* Copy the records to the father page one by one. */ if (0 @@ -2418,7 +2408,7 @@ btr_lift_page_up( /* Free the file page */ btr_page_free(index, block, mtr); - /* We play safe and reset the free bits for the father */ + /* We play it safe and reset the free bits for the father */ if (!dict_index_is_clust(index)) { ibuf_reset_free_bits(father_block); } @@ -2719,7 +2709,10 @@ err_exit: } /***************************************************************** -Discards a page that is the only page on its level. */ +Discards a page that is the only page on its level. This will empty +the whole B-tree, leaving just an empty root page. This function +should never be reached, because btr_compress(), which is invoked in +delete operations, calls btr_lift_page_up() to flatten the B-tree. */ static void btr_discard_only_page_on_level( @@ -2728,60 +2721,52 @@ btr_discard_only_page_on_level( buf_block_t* block, /* in: page which is the only on its level */ mtr_t* mtr) /* in: mtr */ { - btr_cur_t father_cursor; - buf_block_t* father_block; - page_t* father_page; - page_zip_des_t* father_page_zip; - page_t* page = buf_block_get_frame(block); - ulint page_level; + ulint page_level = 0; - ut_ad(btr_page_get_prev(page, mtr) == FIL_NULL); - ut_ad(btr_page_get_next(page, mtr) == FIL_NULL); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - btr_search_drop_page_hash_index(block); + while (buf_block_get_page_no(block) != dict_index_get_page(index)) { + btr_cur_t cursor; + buf_block_t* father; + const page_t* page = buf_block_get_frame(block); - btr_page_get_father(index, block, mtr, &father_cursor); - father_block = btr_cur_get_block(&father_cursor); - father_page_zip = buf_block_get_page_zip(father_block); - father_page = buf_block_get_frame(father_block); + ut_a(page_get_n_recs(page) == 1); + ut_a(page_level == btr_page_get_level(page, mtr)); + ut_a(btr_page_get_prev(page, mtr) == FIL_NULL); + ut_a(btr_page_get_next(page, mtr) == FIL_NULL); - page_level = btr_page_get_level(page, mtr); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + btr_search_drop_page_hash_index(block); - lock_update_discard(father_block, PAGE_HEAP_NO_SUPREMUM, block); + btr_page_get_father(index, block, mtr, &cursor); + father = btr_cur_get_block(&cursor); - btr_page_set_level(father_page, father_page_zip, page_level, mtr); + lock_update_discard(father, PAGE_HEAP_NO_SUPREMUM, block); - /* Free the file page */ - btr_page_free(index, block, mtr); + /* Free the file page */ + btr_page_free(index, block, mtr); - if (UNIV_LIKELY(buf_block_get_page_no(father_block) - == dict_index_get_page(index))) { - /* The father is the root page */ + block = father; + page_level++; + } + + /* block is the root page, which must be empty, except + for the node pointer to the (now discarded) block(s). */ #ifdef UNIV_BTR_DEBUG - if (!dict_index_is_ibuf(index)) { - const page_t* root - = buf_block_get_frame(father_block); - const ulint space - = dict_index_get_space(index); - ut_a(btr_root_fseg_validate( - FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate( - FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); - } + if (!dict_index_is_ibuf(index)) { + const page_t* root = buf_block_get_frame(block); + const ulint space = dict_index_get_space(index); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } #endif /* UNIV_BTR_DEBUG */ - btr_page_empty(father_block, father_page_zip, mtr, index); - /* We play safe and reset the free bits for the father */ - if (!dict_index_is_clust(index)) { - ibuf_reset_free_bits(father_block); - } - } else { - ut_ad(page_get_n_recs(father_page) == 1); + btr_page_empty(block, buf_block_get_page_zip(block), index, 0, mtr); - btr_discard_only_page_on_level(index, father_block, mtr); + /* We play it safe and reset the free bits for the root */ + if (!dict_index_is_clust(index)) { + ibuf_reset_free_bits(block); } } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index efdc4369458..35bc204dddf 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -28,7 +28,6 @@ #include #include -#include #include #include @@ -180,14 +179,12 @@ it every INNOBASE_WAKE_INTERVAL'th step. */ #define INNOBASE_WAKE_INTERVAL 32 static ulong innobase_active_counter = 0; -static HASH innobase_open_tables; +static hash_table_t* innobase_open_tables; #ifdef __NETWARE__ /* some special cleanup for NetWare */ bool nw_panic = FALSE; #endif -static uchar* innobase_get_key(INNOBASE_SHARE *share, size_t *length, - my_bool not_used __attribute__((unused))); static INNOBASE_SHARE *get_share(const char *table_name); static void free_share(INNOBASE_SHARE *share); static int innobase_close_connection(handlerton *hton, THD* thd); @@ -2114,8 +2111,7 @@ innobase_init( goto error; } - (void) hash_init(&innobase_open_tables,system_charset_info, 32, 0, 0, - (hash_get_key) innobase_get_key, 0, 0); + innobase_open_tables = hash_create(200); pthread_mutex_init(&innobase_share_mutex, MY_MUTEX_INIT_FAST); pthread_mutex_init(&prepare_commit_mutex, MY_MUTEX_INIT_FAST); pthread_mutex_init(&commit_threads_m, MY_MUTEX_INIT_FAST); @@ -2159,10 +2155,11 @@ innobase_end(handlerton *hton, ha_panic_function type) srv_fast_shutdown = (ulint) innobase_fast_shutdown; innodb_inited = 0; + hash_table_free(innobase_open_tables); + innobase_open_tables = NULL; if (innobase_shutdown_for_mysql() != DB_SUCCESS) { err = 1; } - hash_free(&innobase_open_tables); my_free(internal_innobase_data_file_path, MYF(MY_ALLOW_ZERO_PTR)); pthread_mutex_destroy(&innobase_share_mutex); @@ -8133,12 +8130,21 @@ bool innobase_show_status(handlerton *hton, THD* thd, locking. ****************************************************************************/ -static uchar* innobase_get_key(INNOBASE_SHARE* share, size_t *length, - my_bool not_used __attribute__((unused))) +/**************************************************************************** +Folds a string in system_charset_info. */ +static +ulint +innobase_fold_name( +/*===============*/ + /* out: fold value of the name */ + const uchar* name, /* in: string to be folded */ + size_t length) /* in: length of the name in bytes */ { - *length=share->table_name_length; + ulong n1 = 1, n2 = 4; - return (uchar*) share->table_name; + system_charset_info->coll->hash_sort(system_charset_info, + name, length, &n1, &n2); + return((ulint) n1); } static INNOBASE_SHARE* get_share(const char* table_name) @@ -8147,24 +8153,29 @@ static INNOBASE_SHARE* get_share(const char* table_name) pthread_mutex_lock(&innobase_share_mutex); uint length=(uint) strlen(table_name); - if (!(share=(INNOBASE_SHARE*) hash_search(&innobase_open_tables, - (uchar*) table_name, - length))) { + ulint fold = innobase_fold_name((const uchar*) table_name, length); + + HASH_SEARCH(table_name_hash, innobase_open_tables, fold, + INNOBASE_SHARE*, share, + !my_strnncoll(system_charset_info, + share->table_name, + share->table_name_length, + (const uchar*) table_name, length)); + + if (!share) { + + /* TODO: invoke HASH_MIGRATE if innobase_open_tables + grows too big */ share = (INNOBASE_SHARE *) my_malloc(sizeof(*share)+length+1, MYF(MY_FAE | MY_ZEROFILL)); - share->table_name_length=length; - share->table_name=(char*) (share+1); - strmov(share->table_name,table_name); + share->table_name_length = length; + share->table_name = (uchar*) memcpy(share + 1, + table_name, length + 1); - if (my_hash_insert(&innobase_open_tables, - (uchar*) share)) { - pthread_mutex_unlock(&innobase_share_mutex); - my_free(share,0); - - return(0); - } + HASH_INSERT(INNOBASE_SHARE, table_name_hash, + innobase_open_tables, fold, share); thr_lock_init(&share->lock); pthread_mutex_init(&share->mutex,MY_MUTEX_INIT_FAST); @@ -8180,11 +8191,34 @@ static void free_share(INNOBASE_SHARE* share) { pthread_mutex_lock(&innobase_share_mutex); +#ifdef UNIV_DEBUG + INNOBASE_SHARE* share2; + ulint fold = innobase_fold_name(share->table_name, + share->table_name_length); + + HASH_SEARCH(table_name_hash, innobase_open_tables, fold, + INNOBASE_SHARE*, share2, + !my_strnncoll(system_charset_info, + share->table_name, + share->table_name_length, + share2->table_name, + share2->table_name_length)); + + ut_a(share2 == share); +#endif /* UNIV_DEBUG */ + if (!--share->use_count) { - hash_delete(&innobase_open_tables, (uchar*) share); + ulint fold = innobase_fold_name(share->table_name, + share->table_name_length); + + HASH_DELETE(INNOBASE_SHARE, table_name_hash, + innobase_open_tables, fold, share); thr_lock_delete(&share->lock); pthread_mutex_destroy(&share->mutex); my_free(share, MYF(0)); + + /* TODO: invoke HASH_MIGRATE if innobase_open_tables + shrinks too much */ } pthread_mutex_unlock(&innobase_share_mutex); diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index dbb24e99901..9b18af7feaa 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -27,8 +27,9 @@ typedef struct st_innobase_share { THR_LOCK lock; pthread_mutex_t mutex; - char *table_name; + const uchar *table_name; uint table_name_length,use_count; + void* table_name_hash; } INNOBASE_SHARE; From 9469efa53584c73cdbe2ac41792214c4d1e09b7d Mon Sep 17 00:00:00 2001 From: inaam <> Date: Tue, 13 Jan 2009 18:20:49 +0000 Subject: [PATCH 118/400] branches/innodb+ Provide support for native AIO on Linux. rb://46 approved by: Marko --- fil/fil0fil.c | 5 +- handler/ha_innodb.cc | 6 + include/os0file.h | 38 ++- include/srv0srv.h | 5 + include/univ.i | 3 + os/os0file.c | 776 ++++++++++++++++++++++++++++++++++++++++--- plug.in | 8 + srv/srv0srv.c | 6 + srv/srv0start.c | 65 +++- 9 files changed, 853 insertions(+), 59 deletions(-) diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 9ed6b62f142..107a81b85a8 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -4436,11 +4436,14 @@ fil_aio_wait( ut_ad(fil_validate()); - if (os_aio_use_native_aio) { + if (srv_use_native_aio) { srv_set_io_thread_op_info(segment, "native aio handle"); #ifdef WIN_ASYNC_IO ret = os_aio_windows_handle(segment, 0, &fil_node, &message, &type); +#elif defined(LINUX_NATIVE_AIO) + ret = os_aio_linux_handle(segment, &fil_node, + &message, &type); #else ret = 0; /* Eliminate compiler warning */ ut_error; diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 35bc204dddf..c9eb5e99d8b 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -9573,6 +9573,11 @@ static MYSQL_SYSVAR_STR(version, innodb_version_str, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY, "InnoDB version", NULL, NULL, INNODB_VERSION_STR); +static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Use native AIO if supported on this platform.", + NULL, NULL, TRUE); + static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(additional_mem_pool_size), MYSQL_SYSVAR(autoextend_increment), @@ -9619,6 +9624,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(thread_sleep_delay), MYSQL_SYSVAR(autoinc_lock_mode), MYSQL_SYSVAR(version), + MYSQL_SYSVAR(use_native_aio), NULL }; diff --git a/include/os0file.h b/include/os0file.h index 67d31dd04e9..339945752df 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -51,12 +51,6 @@ typedef int os_file_t; extern ulint os_innodb_umask; -/* If this flag is TRUE, then we will use the native aio of the -OS (provided we compiled Innobase with it in), otherwise we will -use simulated aio we build below with threads */ - -extern ibool os_aio_use_native_aio; - #define OS_FILE_SECTOR_SIZE 512 /* The next value should be smaller or equal to the smallest sector size used @@ -98,6 +92,7 @@ log. */ to become available again */ #define OS_FILE_SHARING_VIOLATION 76 #define OS_FILE_ERROR_NOT_SPECIFIED 77 +#define OS_FILE_AIO_INTERRUPTED 78 /* Types for aio operations */ #define OS_FILE_READ 10 @@ -556,9 +551,10 @@ in the three first aio arrays is the parameter n_segments given to the function. The caller must create an i/o handler thread for each segment in the four first arrays, but not for the sync aio array. */ UNIV_INTERN -void +ibool os_aio_init( /*========*/ + /* out: TRUE on success. */ ulint n, /* in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ ulint n_segments, /* in: combined number of segments in the four @@ -737,4 +733,32 @@ innobase_mysql_tmpfile(void); /* out: temporary file descriptor, or < 0 on error */ #endif /* !UNIV_HOTBACKUP && !__NETWARE__ */ + +#if defined(LINUX_NATIVE_AIO) +/************************************************************************** +This function is only used in Linux native asynchronous i/o. +Waits for an aio operation to complete. This function is used to wait the +for completed requests. The aio array of pending requests is divided +into segments. The thread specifies which segment or slot it wants to wait +for. NOTE: this function will also take care of freeing the aio slot, +therefore no other thread is allowed to do the freeing! */ +UNIV_INTERN +ibool +os_aio_linux_handle( +/*================*/ + /* out: TRUE if the IO was successful */ + ulint global_seg, /* in: segment number in the aio array + to wait for; segment 0 is the ibuf + i/o thread, segment 1 is log i/o thread, + then follow the non-ibuf read threads, + and the last are the non-ibuf write + threads. */ + fil_node_t**message1, /* out: the messages passed with the */ + void** message2, /* aio request; note that in case the + aio operation failed, these output + parameters are valid and can be used to + restart the operation. */ + ulint* type); /* out: OS_FILE_WRITE or ..._READ */ +#endif /* LINUX_NATIVE_AIO */ + #endif diff --git a/include/srv0srv.h b/include/srv0srv.h index 878afa0feb3..ff9caefd989 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -68,6 +68,11 @@ extern ulint srv_check_file_format_at_startup; on duplicate key checking and foreign key checking */ extern ibool srv_locks_unsafe_for_binlog; +/* If this flag is TRUE, then we will use the native aio of the +OS (provided we compiled Innobase with it in), otherwise we will +use simulated aio we build below with threads. +Currently we support native aio on windows and linux */ +extern my_bool srv_use_native_aio; extern ulint srv_n_data_files; extern char** srv_data_file_names; extern ulint* srv_data_file_sizes; diff --git a/include/univ.i b/include/univ.i index d2fee9c9832..f879b235c2c 100644 --- a/include/univ.i +++ b/include/univ.i @@ -162,6 +162,9 @@ operations (very slow); also UNIV_DEBUG must be defined */ for compressed pages */ #define UNIV_ZIP_COPY /* call page_zip_copy_recs() more often */ +#define UNIV_AIO_DEBUG /* prints info about + submitted and reaped AIO + requests to the log. */ #endif #define UNIV_BTR_DEBUG /* check B-tree links */ diff --git a/os/os0file.c b/os/os0file.c index 9eef834edf7..890fa7f36a6 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -22,6 +22,10 @@ Created 10/21/1995 Heikki Tuuri #include #endif /* UNIV_HOTBACKUP */ +#if defined(LINUX_NATIVE_AIO) +#include +#endif + /* This specifies the file permissions InnoDB uses when it creates files in Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to my_umask */ @@ -49,11 +53,59 @@ UNIV_INTERN os_mutex_t os_file_seek_mutexes[OS_FILE_N_SEEK_MUTEXES]; /* In simulated aio, merge at most this many consecutive i/os */ #define OS_AIO_MERGE_N_CONSECUTIVE 64 -/* If this flag is TRUE, then we will use the native aio of the -OS (provided we compiled Innobase with it in), otherwise we will -use simulated aio we build below with threads */ +/********************************************************************** -UNIV_INTERN ibool os_aio_use_native_aio = FALSE; +InnoDB AIO Implementation: +========================= + +We support native AIO for windows and linux. For rest of the platforms +we simulate AIO by special io-threads servicing the IO-requests. + +Simulated AIO: +============== + +In platforms where we 'simulate' AIO following is a rough explanation +of the high level design. +There are four io-threads (for ibuf, log, read, write). +All synchronous IO requests are serviced by the calling thread using +os_file_write/os_file_read. The Asynchronous requests are queued up +in an array (there are four such arrays) by the calling thread. +Later these requests are picked up by the io-thread and are serviced +synchronously. + +Windows native AIO: +================== + +If srv_use_native_aio is not set then windows follow the same +code as simulated AIO. If the flag is set then native AIO interface +is used. On windows, one of the limitation is that if a file is opened +for AIO no synchronous IO can be done on it. Therefore we have an +extra fifth array to queue up synchronous IO requests. +There are innodb_file_io_threads helper threads. These threads work +on the four arrays mentioned above in Simulated AIO. No thread is +required for the sync array. +If a synchronous IO request is made, it is first queued in the sync +array. Then the calling thread itself waits on the request, thus +making the call synchronous. +If an AIO request is made the calling thread not only queues it in the +array but also submits the requests. The helper thread then collects +the completed IO request and calls completion routine on it. + +Linux native AIO: +================= + +If we have libaio installed on the system and innodb_use_native_aio +is set to TRUE we follow the code path of native AIO, otherwise we +do simulated AIO. +There are innodb_file_io_threads helper threads. These threads work +on the four arrays mentioned above in Simulated AIO. +If a synchronous IO request is made, it is handled by calling +os_file_write/os_file_read. +If an AIO request is made the calling thread not only queues it in the +array but also submits the requests. The helper thread then collects +the completed IO request and calls completion routine on it. + +**********************************************************************/ UNIV_INTERN ibool os_aio_print_debug = FALSE; @@ -90,6 +142,10 @@ struct os_aio_slot_struct{ OVERLAPPED struct */ OVERLAPPED control; /* Windows control block for the aio request */ +#elif defined(LINUX_NATIVE_AIO) + struct iocb control; /* Linux control block for aio */ + int n_bytes; /* bytes written/read. */ + int ret; /* AIO return code */ #endif }; @@ -109,6 +165,10 @@ struct os_aio_array_struct{ ulint n_segments;/* Number of segments in the aio array of pending aio requests. A thread can wait separately for any one of the segments. */ + ulint cur_seg; /* We reserve IO requests in round robin + to different segments. This points to the + segment that is to be used to service + next IO request. */ ulint n_reserved;/* Number of reserved slots in the aio array outside the ibuf segment */ os_aio_slot_t* slots; /* Pointer to the slots in the array */ @@ -120,8 +180,31 @@ struct os_aio_array_struct{ in WaitForMultipleObjects; used only in Windows */ #endif + +#if defined(LINUX_NATIVE_AIO) + io_context_t* aio_ctx; + /* completion queue for IO. There is + one such queue per segment. Each thread + will work on one ctx exclusively. */ + struct io_event* aio_events; + /* The array to collect completed IOs. + There is one such event for each + possible pending IO. The size of the + array is equal to n_slots. */ +#endif }; +#if defined(LINUX_NATIVE_AIO) +/* timeout for each io_getevents() call = 500ms. */ +#define OS_AIO_REAP_TIMEOUT (500000000UL) + +/* time to sleep, in microseconds if io_setup() returns EAGAIN. */ +#define OS_AIO_IO_SETUP_RETRY_SLEEP (500000UL) + +/* number of attempts before giving up on io_setup(). */ +#define OS_AIO_IO_SETUP_RETRY_ATTEMPTS 5 +#endif + /* Array of events used in simulated aio */ static os_event_t* os_aio_segment_wait_events = NULL; @@ -133,6 +216,7 @@ static os_aio_array_t* os_aio_ibuf_array = NULL; static os_aio_array_t* os_aio_log_array = NULL; static os_aio_array_t* os_aio_sync_array = NULL; +/* Total number of segments. */ static ulint os_aio_n_segments = ULINT_UNDEFINED; /* If the following is TRUE, read i/o handler threads try to @@ -320,17 +404,29 @@ os_file_get_last_error( fflush(stderr); - if (err == ENOSPC) { + switch (err) { + case ENOSPC: return(OS_FILE_DISK_FULL); - } else if (err == ENOENT) { + case ENOENT: return(OS_FILE_NOT_FOUND); - } else if (err == EEXIST) { + case EEXIST: return(OS_FILE_ALREADY_EXISTS); - } else if (err == EXDEV || err == ENOTDIR || err == EISDIR) { + case EXDEV: + case ENOTDIR: + case EISDIR: return(OS_FILE_PATH_ERROR); - } else { - return(100 + err); + case EAGAIN: + if (srv_use_native_aio) { + return(OS_FILE_AIO_RESOURCES_RESERVED); + } + break; + case EINTR: + if (srv_use_native_aio) { + return(OS_FILE_AIO_INTERRUPTED); + } + break; } + return(100 + err); #endif } @@ -380,6 +476,9 @@ os_file_handle_error_cond_exit( return(FALSE); } else if (err == OS_FILE_AIO_RESOURCES_RESERVED) { + return(TRUE); + } else if (err == OS_FILE_AIO_INTERRUPTED) { + return(TRUE); } else if (err == OS_FILE_ALREADY_EXISTS || err == OS_FILE_PATH_ERROR) { @@ -1188,7 +1287,7 @@ try_again: buffering of writes in the OS */ attributes = 0; #ifdef WIN_ASYNC_IO - if (os_aio_use_native_aio) { + if (srv_use_native_aio) { attributes = attributes | FILE_FLAG_OVERLAPPED; } #endif @@ -2851,13 +2950,103 @@ os_aio_array_get_nth_slot( return((array->slots) + index); } -/**************************************************************************** -Creates an aio wait array. */ +#if defined(LINUX_NATIVE_AIO) +/********************************************************************** +Creates an io_context for native linux AIO. */ +static +ibool +os_aio_linux_create_io_ctx( +/*=======================*/ + /* out: TRUE on success. */ + ulint max_events, /* in: number of events. */ + io_context_t* io_ctx) /* out: io_ctx to initialize. */ +{ + int ret; + ulint retries = 0; + +retry: + memset(io_ctx, 0x0, sizeof(*io_ctx)); + + /* Initialize the io_ctx. Tell it how many pending + IO requests this context will handle. */ + + ret = io_setup(max_events, io_ctx); + if (ret == 0) { +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "InnoDB: Linux native AIO:" + " initialized io_ctx for segment\n"); +#endif + /* Success. Return now. */ + return(TRUE); + } + + /* If we hit EAGAIN we'll make a few attempts before failing. */ + + switch (ret) { + case -EAGAIN: + if (retries == 0) { + /* First time around. */ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: io_setup() failed" + " with EAGAIN. Will make %d attempts" + " before giving up.\n", + OS_AIO_IO_SETUP_RETRY_ATTEMPTS); + } + + if (retries < OS_AIO_IO_SETUP_RETRY_ATTEMPTS) { + ++retries; + fprintf(stderr, + "InnoDB: Warning: io_setup() attempt" + " %lu failed.\n", + retries); + os_thread_sleep(OS_AIO_IO_SETUP_RETRY_SLEEP); + goto retry; + } + + /* Have tried enough. Better call it a day. */ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: io_setup() failed" + " with EAGAIN after %d attempts.\n", + OS_AIO_IO_SETUP_RETRY_ATTEMPTS); + break; + + case -ENOSYS: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: Linux Native AIO interface" + " is not supported on this platform. Please" + " check your OS documentation and install" + " appropriate binary of InnoDB.\n"); + + break; + + default: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: Linux Native AIO setup" + " returned following error[%d]\n", -ret); + break; + } + + fprintf(stderr, + "InnoDB: You can disable Linux Native AIO by" + " setting innodb_native_aio = off in my.cnf\n"); + return(FALSE); +} +#endif /* LINUX_NATIVE_AIO */ + +/********************************************************************** +Creates an aio wait array. Note that we return NULL in case of failure. +We don't care about freeing memory here because we assume that a +failure will result in server refusing to start up. */ static os_aio_array_t* os_aio_array_create( /*================*/ - /* out, own: aio array */ + /* out, own: aio array, NULL on failure */ ulint n, /* in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ ulint n_segments) /* in: number of segments in the aio array */ @@ -2867,6 +3056,8 @@ os_aio_array_create( os_aio_slot_t* slot; #ifdef WIN_ASYNC_IO OVERLAPPED* over; +#elif defined(LINUX_NATIVE_AIO) + struct io_event* io_event = NULL; #endif ut_a(n > 0); ut_a(n_segments > 0); @@ -2882,10 +3073,44 @@ os_aio_array_create( array->n_slots = n; array->n_segments = n_segments; array->n_reserved = 0; + array->cur_seg = 0; array->slots = ut_malloc(n * sizeof(os_aio_slot_t)); #ifdef __WIN__ array->native_events = ut_malloc(n * sizeof(os_native_event_t)); #endif + +#if defined(LINUX_NATIVE_AIO) + /* If we are not using native aio interface then skip this + part of initialization. */ + if (!srv_use_native_aio) { + goto skip_native_aio; + } + + /* Initialize the io_context array. One io_context + per segment in the array. */ + + array->aio_ctx = ut_malloc(n_segments * + sizeof(*array->aio_ctx)); + for (i = 0; i < n_segments; ++i) { + if (!os_aio_linux_create_io_ctx(n/n_segments, + &array->aio_ctx[i])) { + /* If something bad happened during aio setup + we should call it a day and return right away. + We don't care about any leaks because a failure + to initialize the io subsystem means that the + server (or atleast the innodb storage engine) + is not going to startup. */ + return(NULL); + } + } + + /* Initialize the event array. One event per slot. */ + io_event = ut_malloc(n * sizeof(*io_event)); + memset(io_event, 0x0, sizeof(*io_event) * n); + array->aio_events = io_event; + +skip_native_aio: +#endif /* LINUX_NATIVE_AIO */ for (i = 0; i < n; i++) { slot = os_aio_array_get_nth_slot(array, i); @@ -2899,6 +3124,12 @@ os_aio_array_create( over->hEvent = slot->event->handle; *((array->native_events) + i) = over->hEvent; + +#elif defined(LINUX_NATIVE_AIO) + + memset(&slot->control, 0x0, sizeof(slot->control)); + slot->n_bytes = 0; + slot->ret = 0; #endif } @@ -2915,9 +3146,10 @@ in the three first aio arrays is the parameter n_segments given to the function. The caller must create an i/o handler thread for each segment in the four first arrays, but not for the sync aio array. */ UNIV_INTERN -void +ibool os_aio_init( /*========*/ + /* out: TRUE on success. */ ulint n, /* in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ ulint n_segments, /* in: combined number of segments in the four @@ -2945,15 +3177,25 @@ os_aio_init( /* fprintf(stderr, "Array n per seg %lu\n", n_per_seg); */ os_aio_ibuf_array = os_aio_array_create(n_per_seg, 1); + if (os_aio_ibuf_array == NULL) { + goto err_exit; + } srv_io_thread_function[0] = "insert buffer thread"; os_aio_log_array = os_aio_array_create(n_per_seg, 1); + if (os_aio_log_array == NULL) { + goto err_exit; + } srv_io_thread_function[1] = "log thread"; os_aio_read_array = os_aio_array_create(n_read_segs * n_per_seg, n_read_segs); + if (os_aio_read_array == NULL) { + goto err_exit; + } + for (i = 2; i < 2 + n_read_segs; i++) { ut_a(i < SRV_MAX_N_IO_THREADS); srv_io_thread_function[i] = "read thread"; @@ -2961,12 +3203,20 @@ os_aio_init( os_aio_write_array = os_aio_array_create(n_write_segs * n_per_seg, n_write_segs); + if (os_aio_write_array == NULL) { + goto err_exit; + } + for (i = 2 + n_read_segs; i < n_segments; i++) { ut_a(i < SRV_MAX_N_IO_THREADS); srv_io_thread_function[i] = "write thread"; } os_aio_sync_array = os_aio_array_create(n_slots_sync, 1); + if (os_aio_sync_array == NULL) { + goto err_exit; + } + os_aio_n_segments = n_segments; @@ -2980,6 +3230,11 @@ os_aio_init( os_last_printout = time(NULL); + return(TRUE); + +err_exit: + return(FALSE); + } #ifdef WIN_ASYNC_IO @@ -3017,6 +3272,19 @@ os_aio_wake_all_threads_at_shutdown(void) os_aio_array_wake_win_aio_at_shutdown(os_aio_write_array); os_aio_array_wake_win_aio_at_shutdown(os_aio_ibuf_array); os_aio_array_wake_win_aio_at_shutdown(os_aio_log_array); + +#elif defined(LINUX_NATIVE_AIO) + + /* When using native AIO interface the io helper threads + wait on io_getevents with a timeout value of 500ms. At + each wake up these threads check the server status. + No need to do anything to wake them up. */ + + if (srv_use_native_aio) { + return; + } + /* Fall through to simulated AIO handler wakeup if we are + not using native AIO. */ #endif /* This loop wakes up all simulated ai/o threads */ @@ -3135,18 +3403,25 @@ os_aio_array_reserve_slot( offset */ ulint len) /* in: length of the block to read or write */ { - os_aio_slot_t* slot; + os_aio_slot_t* slot = NULL; #ifdef WIN_ASYNC_IO OVERLAPPED* control; + +#elif defined(LINUX_NATIVE_AIO) + + struct iocb* iocb; + off_t aio_offset; + #endif ulint i; + ulint n; loop: os_mutex_enter(array->mutex); if (array->n_reserved == array->n_slots) { os_mutex_exit(array->mutex); - if (!os_aio_use_native_aio) { + if (!srv_use_native_aio) { /* If the handler threads are suspended, wake them so that we get more slots */ @@ -3158,14 +3433,38 @@ loop: goto loop; } + /* First try to allocate a slot from the next segment in + round robin. */ + ut_a(array->cur_seg < array->n_segments); + + n = array->n_slots / array->n_segments; + for (i = array->cur_seg * n; i < ((array->cur_seg + 1) * n); i++) { + slot = os_aio_array_get_nth_slot(array, i); + + if (slot->reserved == FALSE) { + goto found; + } + } + + ut_ad(i < array->n_slots); + array->cur_seg = (array->cur_seg + 1) % array->n_segments; + + /* If we are unable to find a slot in our desired segment we do + a linear search of entire array. We are guaranteed to find a + slot in linear search. */ for (i = 0;; i++) { slot = os_aio_array_get_nth_slot(array, i); if (slot->reserved == FALSE) { - break; + goto found; } } + /* We MUST always be able to get hold of a reserved slot. */ + ut_error; +found: + ut_ad(!slot->reserved); + array->n_reserved++; if (array->n_reserved == 1) { @@ -3194,8 +3493,42 @@ loop: control->Offset = (DWORD)offset; control->OffsetHigh = (DWORD)offset_high; os_event_reset(slot->event); -#endif +#elif defined(LINUX_NATIVE_AIO) + + /* If we are not using native AIO skip this part. */ + if (!srv_use_native_aio) { + goto skip_native_aio; + } + + /* Check if we are dealing with 64 bit arch. + If not then make sure that offset fits in 32 bits. */ + if (sizeof(aio_offset) == 8) { + aio_offset = offset_high; + aio_offset <<= 32; + aio_offset += offset; + } else { + ut_a(offset_high == 0); + aio_offset = offset; + } + + iocb = &slot->control; + + if (type == OS_FILE_READ) { + io_prep_pread(iocb, file, buf, len, aio_offset); + } else { + ut_a(type == OS_FILE_WRITE); + io_prep_pwrite(iocb, file, buf, len, aio_offset); + } + + iocb->data = (void*)slot; + slot->n_bytes = 0; + slot->ret = 0; + /*fprintf(stderr, "Filled up Linux native iocb.\n");*/ + + +skip_native_aio: +#endif /* LINUX_NATIVE_AIO */ os_mutex_exit(array->mutex); return(slot); @@ -3230,7 +3563,23 @@ os_aio_array_free_slot( } #ifdef WIN_ASYNC_IO + os_event_reset(slot->event); + +#elif defined(LINUX_NATIVE_AIO) + + if (srv_use_native_aio) { + memset(&slot->control, 0x0, sizeof(slot->control)); + slot->n_bytes = 0; + slot->ret = 0; + /*fprintf(stderr, "Freed up Linux native slot.\n");*/ + } else { + /* These fields should not be used if we are not + using native AIO. */ + ut_ad(slot->n_bytes == 0); + ut_ad(slot->ret == 0); + } + #endif os_mutex_exit(array->mutex); } @@ -3250,7 +3599,7 @@ os_aio_simulated_wake_handler_thread( ulint n; ulint i; - ut_ad(!os_aio_use_native_aio); + ut_ad(!srv_use_native_aio); segment = os_aio_get_array_and_local_segment(&array, global_segment); @@ -3286,7 +3635,7 @@ os_aio_simulated_wake_handler_threads(void) { ulint i; - if (os_aio_use_native_aio) { + if (srv_use_native_aio) { /* We do not use simulated aio: do nothing */ return; @@ -3324,6 +3673,54 @@ os_aio_simulated_put_read_threads_to_sleep(void) } } +#if defined(LINUX_NATIVE_AIO) +/*********************************************************************** +Dispatch an AIO request to the kernel. */ +static +ibool +os_aio_linux_dispatch( +/*==================*/ + /* out: TRUE on success. */ + os_aio_array_t* array, /* in: io request array. */ + os_aio_slot_t* slot) /* in: an already reserved slot. */ +{ + int ret; + ulint io_ctx_index; + struct iocb* iocb; + + ut_ad(slot != NULL); + ut_ad(array); + + ut_a(slot->reserved); + + /* Find out what we are going to work with. + The iocb struct is directly in the slot. + The io_context is one per segment. */ + + iocb = &slot->control; + io_ctx_index = (slot->pos * array->n_segments) / array->n_slots; + + ret = io_submit(array->aio_ctx[io_ctx_index], 1, &iocb); + +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "io_submit[%c] ret[%d]: slot[%p] ctx[%p] seg[%lu]\n", + (slot->type == OS_FILE_WRITE) ? 'w' : 'r', ret, slot, + array->aio_ctx[io_ctx_index], (ulong)io_ctx_index); +#endif + + /* io_submit returns number of successfully + queued requests or -errno. */ + if (UNIV_UNLIKELY(ret != 1)) { + errno = -ret; + return(FALSE); + } + + return(TRUE); +} +#endif /* LINUX_NATIVE_AIO */ + + /*********************************************************************** Requests an asynchronous i/o operation. */ UNIV_INTERN @@ -3372,7 +3769,6 @@ os_aio( void* dummy_mess2; ulint dummy_type; #endif - ulint err = 0; ibool retry; ulint wake_later; @@ -3388,7 +3784,7 @@ os_aio( if (mode == OS_AIO_SYNC #ifdef WIN_ASYNC_IO - && !os_aio_use_native_aio + && !srv_use_native_aio #endif ) { /* This is actually an ordinary synchronous read or write: @@ -3428,6 +3824,11 @@ try_again: array = os_aio_log_array; } else if (mode == OS_AIO_SYNC) { array = os_aio_sync_array; + +#if defined(LINUX_NATIVE_AIO) + /* In Linux native AIO we don't use sync IO array. */ + ut_a(!srv_use_native_aio); +#endif } else { array = NULL; /* Eliminate compiler warning */ ut_error; @@ -3436,13 +3837,17 @@ try_again: slot = os_aio_array_reserve_slot(type, array, message1, message2, file, name, buf, offset, offset_high, n); if (type == OS_FILE_READ) { - if (os_aio_use_native_aio) { -#ifdef WIN_ASYNC_IO + if (srv_use_native_aio) { os_n_file_reads++; - os_bytes_read_since_printout += len; - + os_bytes_read_since_printout += n; +#ifdef WIN_ASYNC_IO ret = ReadFile(file, buf, (DWORD)n, &len, &(slot->control)); + +#elif defined(LINUX_NATIVE_AIO) + if (!os_aio_linux_dispatch(array, slot)) { + goto err_exit; + } #endif } else { if (!wake_later) { @@ -3452,11 +3857,16 @@ try_again: } } } else if (type == OS_FILE_WRITE) { - if (os_aio_use_native_aio) { -#ifdef WIN_ASYNC_IO + if (srv_use_native_aio) { os_n_file_writes++; +#ifdef WIN_ASYNC_IO ret = WriteFile(file, buf, (DWORD)n, &len, &(slot->control)); + +#elif defined(LINUX_NATIVE_AIO) + if (!os_aio_linux_dispatch(array, slot)) { + goto err_exit; + } #endif } else { if (!wake_later) { @@ -3470,7 +3880,7 @@ try_again: } #ifdef WIN_ASYNC_IO - if (os_aio_use_native_aio) { + if (srv_use_native_aio) { if ((ret && len == n) || (!ret && GetLastError() == ERROR_IO_PENDING)) { /* aio was queued successfully! */ @@ -3493,15 +3903,13 @@ try_again: return(TRUE); } - err = 1; /* Fall through the next if */ + goto err_exit; } #endif - if (err == 0) { - /* aio was queued successfully! */ - - return(TRUE); - } + /* aio was queued successfully! */ + return(TRUE); +err_exit: os_aio_array_free_slot(array, slot); retry = os_file_handle_error(name, @@ -3604,7 +4012,9 @@ os_aio_windows_handle( #ifdef UNIV_DO_FLUSH if (slot->type == OS_FILE_WRITE && !os_do_not_call_flush_at_each_write) { - ut_a(TRUE == os_file_flush(slot->file)); + if (!os_file_flush(slot->file)) { + ut_error; + } } #endif /* UNIV_DO_FLUSH */ } else { @@ -3621,6 +4031,257 @@ os_aio_windows_handle( } #endif +#if defined(LINUX_NATIVE_AIO) +/********************************************************************** +This function is only used in Linux native asynchronous i/o. This is +called from within the io-thread. If there are no completed IO requests +in the slot array, the thread calls this function to collect more +requests from the kernel. +The io-thread waits on io_getevents(), which is a blocking call, with +a timeout value. Unless the system is very heavy loaded, keeping the +io-thread very busy, the io-thread will spend most of its time waiting +in this function. +The io-thread also exits in this function. It checks server status at +each wakeup and that is why we use timed wait in io_getevents(). */ +static +void +os_aio_linux_collect( +/*=================*/ + os_aio_array_t* array, /* in/out: slot array. */ + ulint segment, /* in: local segment no. */ + ulint seg_size) /* in: segment size. */ +{ + int i; + int ret; + ulint start_pos; + ulint end_pos; + struct timespec timeout; + struct io_event* events; + struct io_context* io_ctx; + + /* sanity checks. */ + ut_ad(array != NULL); + ut_ad(seg_size > 0); + ut_ad(segment < array->n_segments); + + /* Which part of event array we are going to work on. */ + events = &array->aio_events[segment * seg_size]; + + /* Which io_context we are going to use. */ + io_ctx = array->aio_ctx[segment]; + + /* Starting point of the segment we will be working on. */ + start_pos = segment * seg_size; + + /* End point. */ + end_pos = start_pos + seg_size; + +retry: + + /* Go down if we are in shutdown mode. + In case of srv_fast_shutdown == 2, there may be pending + IO requests but that should be OK as we essentially treat + that as a crash of InnoDB. */ + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + os_thread_exit(NULL); + } + + /* Initialize the events. The timeout value is arbitrary. + We probably need to experiment with it a little. */ + memset(events, 0, sizeof(*events) * seg_size); + timeout.tv_sec = 0; + timeout.tv_nsec = OS_AIO_REAP_TIMEOUT; + + ret = io_getevents(io_ctx, 1, seg_size, events, &timeout); + + /* This error handling is for any error in collecting the + IO requests. The errors, if any, for any particular IO + request are simply passed on to the calling routine. */ + + /* Not enough resources! Try again. */ + if (ret == -EAGAIN) { + goto retry; + } + + /* Interrupted! I have tested the behaviour in case of an + interrupt. If we have some completed IOs available then + the return code will be the number of IOs. We get EINTR only + if there are no completed IOs and we have been interrupted. */ + if (ret == -EINTR) { + goto retry; + } + + /* No pending request! Go back and check again. */ + if (ret == 0) { + goto retry; + } + + /* All other errors! should cause a trap for now. */ + if (UNIV_UNLIKELY(ret < 0)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: unexpected ret_code[%d] from" + " io_getevents()!\n", ret); + ut_error; + } + + ut_a(ret > 0); + + for (i = 0; i < ret; i++) { + os_aio_slot_t* slot; + struct iocb* control; + + control = (struct iocb *)events[i].obj; + ut_a(control != NULL); + + slot = (os_aio_slot_t *) control->data; + + /* Some sanity checks. */ + ut_a(slot != NULL); + ut_a(slot->reserved); + +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "io_getevents[%c]: slot[%p] ctx[%p]" + " seg[%lu]\n", + (slot->type == OS_FILE_WRITE) ? 'w' : 'r', + slot, io_ctx, segment); +#endif + + /* We are not scribbling previous segment. */ + ut_a(slot->pos >= start_pos); + + /* We have not overstepped to next segment. */ + ut_a(slot->pos < end_pos); + + /* Mark this request as completed. The error handling + will be done in the calling function. */ + os_mutex_enter(array->mutex); + slot->n_bytes = events[i].res; + slot->ret = events[i].res2; + slot->io_already_done = TRUE; + os_mutex_exit(array->mutex); + } + + return; +} + +/************************************************************************** +This function is only used in Linux native asynchronous i/o. +Waits for an aio operation to complete. This function is used to wait for +the completed requests. The aio array of pending requests is divided +into segments. The thread specifies which segment or slot it wants to wait +for. NOTE: this function will also take care of freeing the aio slot, +therefore no other thread is allowed to do the freeing! */ +UNIV_INTERN +ibool +os_aio_linux_handle( +/*================*/ + /* out: TRUE if the IO was successful */ + ulint global_seg, /* in: segment number in the aio array + to wait for; segment 0 is the ibuf + i/o thread, segment 1 is log i/o thread, + then follow the non-ibuf read threads, + and the last are the non-ibuf write + threads. */ + fil_node_t**message1, /* out: the messages passed with the */ + void** message2, /* aio request; note that in case the + aio operation failed, these output + parameters are valid and can be used to + restart the operation. */ + ulint* type) /* out: OS_FILE_WRITE or ..._READ */ +{ + ulint segment; + os_aio_array_t* array; + os_aio_slot_t* slot; + ulint n; + ulint i; + ibool ret = FALSE; + + /* Should never be doing Sync IO here. */ + ut_a(global_seg != ULINT_UNDEFINED); + + /* Find the array and the local segment. */ + segment = os_aio_get_array_and_local_segment(&array, global_seg); + n = array->n_slots / array->n_segments; + + /* Loop until we have found a completed request. */ + for (;;) { + os_mutex_enter(array->mutex); + for (i = 0; i < n; ++i) { + slot = os_aio_array_get_nth_slot( + array, i + segment * n); + if (slot->reserved && slot->io_already_done) { + /* Something for us to work on. */ + goto found; + } + } + + os_mutex_exit(array->mutex); + + /* We don't have any completed request. + Wait for some request. Note that we return + from wait iff we have found a request. */ + + srv_set_io_thread_op_info(global_seg, + "waiting for completed aio requests"); + os_aio_linux_collect(array, segment, n); + } + +found: + /* Note that it may be that there are more then one completed + IO requests. We process them one at a time. We may have a case + here to improve the performance slightly by dealing with all + requests in one sweep. */ + srv_set_io_thread_op_info(global_seg, + "processing completed aio requests"); + + /* Ensure that we are scribbling only our segment. */ + ut_a(i < n); + + ut_ad(slot != NULL); + ut_ad(slot->reserved); + ut_ad(slot->io_already_done); + + *message1 = slot->message1; + *message2 = slot->message2; + + *type = slot->type; + + if ((slot->ret == 0) && (slot->n_bytes == (long)slot->len)) { + ret = TRUE; + +#ifdef UNIV_DO_FLUSH + if (slot->type == OS_FILE_WRITE + && !os_do_not_call_flush_at_each_write) + && !os_file_flush(slot->file) { + ut_error; + } +#endif /* UNIV_DO_FLUSH */ + } else { + errno = -slot->ret; + + /* os_file_handle_error does tell us if we should retry + this IO. As it stands now, we don't do this retry when + reaping requests from a different context than + the dispatcher. This non-retry logic is the same for + windows and linux native AIO. + We should probably look into this to transparently + re-submit the IO. */ + os_file_handle_error(slot->name, "Linux aio"); + + ret = FALSE; + } + + os_mutex_exit(array->mutex); + + os_aio_array_free_slot(array, slot); + + return(ret); +} + +#endif /* LINUX_NATIVE_AIO */ + /************************************************************************** Does simulated aio. This function should be called by an i/o-handler thread. */ @@ -3995,6 +4656,40 @@ os_aio_validate(void) return(TRUE); } +/************************************************************************** +Prints pending IO requests per segment of an aio array. +We probably don't need per segment statistics but they can help us +during development phase to see if the IO requests are being +distributed as expected. */ +static +void +os_aio_print_segment_info( +/*======================*/ + FILE* file, /* in: file where to print */ + ulint* n_seg, /* in: pending IO array */ + os_aio_array_t* array) /* in: array to process */ +{ + ulint i; + + ut_ad(array); + ut_ad(n_seg); + ut_ad(array->n_segments > 0); + + if (array->n_segments == 1) { + return; + } + + fprintf(file, " ["); + for (i = 0; i < array->n_segments; i++) { + if (i != 0) { + fprintf(file, ", "); + } + + fprintf(file, "%lu", n_seg[i]); + } + fprintf(file, "] "); +} + /************************************************************************** Prints info of the aio arrays. */ UNIV_INTERN @@ -4006,6 +4701,7 @@ os_aio_print( os_aio_array_t* array; os_aio_slot_t* slot; ulint n_reserved; + ulint n_res_seg[SRV_MAX_N_IO_THREADS]; time_t current_time; double time_elapsed; double avg_bytes_read; @@ -4038,11 +4734,15 @@ loop: n_reserved = 0; + memset(n_res_seg, 0x0, sizeof(n_res_seg)); + for (i = 0; i < array->n_slots; i++) { slot = os_aio_array_get_nth_slot(array, i); + ulint seg_no = (i * array->n_segments) / array->n_slots; if (slot->reserved) { n_reserved++; + n_res_seg[seg_no]++; #if 0 fprintf(stderr, "Reserved slot, messages %p %p\n", (void*) slot->message1, @@ -4056,6 +4756,8 @@ loop: fprintf(file, " %lu", (ulong) n_reserved); + os_aio_print_segment_info(file, n_res_seg, array); + os_mutex_exit(array->mutex); if (array == os_aio_read_array) { diff --git a/plug.in b/plug.in index 34ad5d77c0d..ec71d028d50 100644 --- a/plug.in +++ b/plug.in @@ -12,6 +12,14 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ AC_C_BIGENDIAN case "$target_os" in lin*) + AC_CHECK_HEADER(libaio.h, + AC_CHECK_LIB(aio, io_setup, + LIBS="$LIBS -laio" + AC_DEFINE(LINUX_NATIVE_AIO, [1], + [Linux native async I/O support]), + AC_MSG_WARN([No Linux native async I/O])), + AC_MSG_WARN([No Linux native async I/O])) + CFLAGS="$CFLAGS -DUNIV_LINUX";; hpux10*) CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";; diff --git a/srv/srv0srv.c b/srv/srv0srv.c index d75269e96d5..2dea4dad943 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -102,6 +102,12 @@ UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; on duplicate key checking and foreign key checking */ UNIV_INTERN ibool srv_locks_unsafe_for_binlog = FALSE; +/* If this flag is TRUE, then we will use the native aio of the +OS (provided we compiled Innobase with it in), otherwise we will +use simulated aio we build below with threads. +Currently we support native aio on windows and linux */ +UNIV_INTERN my_bool srv_use_native_aio = TRUE; + UNIV_INTERN ulint srv_n_data_files = 0; UNIV_INTERN char** srv_data_file_names = NULL; /* size in database pages */ diff --git a/srv/srv0start.c b/srv/srv0start.c index 1e8c10c13bb..696c4a51c8f 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -969,6 +969,7 @@ innobase_start_or_create_for_mysql(void) ibool log_file_created; ibool log_created = FALSE; ibool log_opened = FALSE; + ibool success; ib_uint64_t min_flushed_lsn; ib_uint64_t max_flushed_lsn; #ifdef UNIV_LOG_ARCHIVE @@ -1071,7 +1072,6 @@ innobase_start_or_create_for_mysql(void) srv_is_being_started = TRUE; srv_startup_is_before_trx_rollback_phase = TRUE; - os_aio_use_native_aio = FALSE; #ifdef __WIN__ if (os_get_os_version() == OS_WIN95 @@ -1083,12 +1083,30 @@ innobase_start_or_create_for_mysql(void) but when run in conjunction with InnoDB Hot Backup, it seemed to corrupt the data files. */ - os_aio_use_native_aio = FALSE; + srv_use_native_aio = FALSE; } else { /* On Win 2000 and XP use async i/o */ - os_aio_use_native_aio = TRUE; + srv_use_native_aio = TRUE; } + +#elif defined(LINUX_NATIVE_AIO) + + if (srv_use_native_aio) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Using Linux native AIO\n"); + } +#else + /* Currently native AIO is supported only on windows and linux + and that also when the support is compiled in. In all other + cases, we ignore the setting of innodb_use_native_aio. */ + + /* TODO: comment this out after internal testing. */ + fprintf(stderr, "Ignoring innodb_use_native_aio\n"); + srv_use_native_aio = FALSE; + #endif + if (srv_file_flush_method_str == NULL) { /* These are the default options */ @@ -1113,11 +1131,11 @@ innobase_start_or_create_for_mysql(void) #else } else if (0 == ut_strcmp(srv_file_flush_method_str, "normal")) { srv_win_file_flush_method = SRV_WIN_IO_NORMAL; - os_aio_use_native_aio = FALSE; + srv_use_native_aio = FALSE; } else if (0 == ut_strcmp(srv_file_flush_method_str, "unbuffered")) { srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; - os_aio_use_native_aio = FALSE; + srv_use_native_aio = FALSE; } else if (0 == ut_strcmp(srv_file_flush_method_str, "async_unbuffered")) { @@ -1210,19 +1228,38 @@ innobase_start_or_create_for_mysql(void) srv_n_file_io_threads = SRV_MAX_N_IO_THREADS; } - if (!os_aio_use_native_aio) { + if (!srv_use_native_aio) { /* In simulated aio we currently have use only for 4 threads */ srv_n_file_io_threads = 4; - os_aio_init(8 * SRV_N_PENDING_IOS_PER_THREAD - * srv_n_file_io_threads, - srv_n_file_io_threads, - SRV_MAX_N_PENDING_SYNC_IOS); + success = os_aio_init(8 * SRV_N_PENDING_IOS_PER_THREAD * + srv_n_file_io_threads, + srv_n_file_io_threads, + SRV_MAX_N_PENDING_SYNC_IOS); + if (!success) { + return(DB_ERROR); + } } else { - os_aio_init(SRV_N_PENDING_IOS_PER_THREAD - * srv_n_file_io_threads, - srv_n_file_io_threads, - SRV_MAX_N_PENDING_SYNC_IOS); + /* Windows has a pending IO per thread limit. + Linux does not have any such restriction. + The question of what should be segment size + is a trade off. The larger size means longer + linear searches through the array and a smaller + value can lead to array being full, causing + unnecessary delays. The following value + for Linux is fairly arbitrary and needs to be + tested and tuned. */ + success = os_aio_init( +#if defined(LINUX_NATIVE_AIO) + 8 * +#endif /* LINUX_NATIVE_AIO */ + SRV_N_PENDING_IOS_PER_THREAD * + srv_n_file_io_threads, + srv_n_file_io_threads, + SRV_MAX_N_PENDING_SYNC_IOS); + if (!success) { + return(DB_ERROR); + } } fil_init(srv_max_n_open_files); From 8318893d3acbdaaf4eef9f3262924e4932a886cf Mon Sep 17 00:00:00 2001 From: inaam <> Date: Wed, 14 Jan 2009 07:52:06 +0000 Subject: [PATCH 119/400] branches/innodb+ Enable group commit functionality. rb://47 approved by: Heikki --- handler/ha_innodb.cc | 61 ++++++++++++++++++++++++-------------------- include/trx0trx.h | 10 +++++--- trx/trx0trx.c | 6 ++--- 3 files changed, 43 insertions(+), 34 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index c9eb5e99d8b..829be82b821 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -2348,7 +2348,12 @@ retry: trx->mysql_log_file_name = mysql_bin_log_file_name(); trx->mysql_log_offset = (ib_int64_t) mysql_bin_log_file_pos(); + /* Don't do write + flush right now. For group commit + to work we want to do the flush after releasing the + prepare_commit_mutex. */ + trx->flush_log_later = TRUE; innobase_commit_low(trx); + trx->flush_log_later = FALSE; if (srv_commit_concurrency > 0) { pthread_mutex_lock(&commit_cond_m); @@ -2362,6 +2367,8 @@ retry: pthread_mutex_unlock(&prepare_commit_mutex); } + /* Now do a write + flush of logs. */ + trx_commit_complete_for_mysql(trx); trx->active_trans = 0; } else { @@ -8843,33 +8850,6 @@ innobase_xa_prepare( DBUG_ASSERT(hton == innodb_hton_ptr); - if (thd_sql_command(thd) != SQLCOM_XA_PREPARE && - (all || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) - { - - /* For ibbackup to work the order of transactions in binlog - and InnoDB must be the same. Consider the situation - - thread1> prepare; write to binlog; ... - - thread2> prepare; write to binlog; commit - thread1> ... commit - - To ensure this will not happen we're taking the mutex on - prepare, and releasing it on commit. - - Note: only do it for normal commits, done via ha_commit_trans. - If 2pc protocol is executed by external transaction - coordinator, it will be just a regular MySQL client - executing XA PREPARE and XA COMMIT commands. - In this case we cannot know how many minutes or hours - will be between XA PREPARE and XA COMMIT, and we don't want - to block for undefined period of time. - */ - pthread_mutex_lock(&prepare_commit_mutex); - trx->active_trans = 2; - } - /* we use support_xa value as it was seen at transaction start time, not the current session variable value. Any possible changes to the session variable take effect only in the next transaction */ @@ -8922,6 +8902,33 @@ innobase_xa_prepare( srv_active_wake_master_thread(); + if (thd_sql_command(thd) != SQLCOM_XA_PREPARE && + (all || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) + { + + /* For ibbackup to work the order of transactions in binlog + and InnoDB must be the same. Consider the situation + + thread1> prepare; write to binlog; ... + + thread2> prepare; write to binlog; commit + thread1> ... commit + + To ensure this will not happen we're taking the mutex on + prepare, and releasing it on commit. + + Note: only do it for normal commits, done via ha_commit_trans. + If 2pc protocol is executed by external transaction + coordinator, it will be just a regular MySQL client + executing XA PREPARE and XA COMMIT commands. + In this case we cannot know how many minutes or hours + will be between XA PREPARE and XA COMMIT, and we don't want + to block for undefined period of time. + */ + pthread_mutex_lock(&prepare_commit_mutex); + trx->active_trans = 2; + } + return(error); } diff --git a/include/trx0trx.h b/include/trx0trx.h index f45d430f7ad..63b37a87c7f 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -507,10 +507,12 @@ struct trx_struct{ FALSE, one can save CPU time and about 150 bytes in the undo log size as then we skip XA steps */ - unsigned flush_log_later:1;/* when we commit the transaction - in MySQL's binlog write, we will - flush the log to disk later in - a separate call */ + unsigned flush_log_later:1;/* In 2PC, we hold the + prepare_commit mutex across + both phases. In that case, we + defer flush of the logs to disk + until after we release the + mutex. */ unsigned must_flush_log_later:1;/* this flag is set to TRUE in trx_commit_off_kernel() if flush_log_later was TRUE, and there diff --git a/trx/trx0trx.c b/trx/trx0trx.c index d626a75020a..20bfff32b2e 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -876,11 +876,11 @@ trx_commit_off_kernel( there are > 2 users in the database. Then at least 2 users can gather behind one doing the physical log write to disk. - If we are calling trx_commit() under MySQL's binlog mutex, we + If we are calling trx_commit() under prepare_commit_mutex, we will delay possible log write and flush to a separate function trx_commit_complete_for_mysql(), which is only called when the - thread has released the binlog mutex. This is to make the - group commit algorithm to work. Otherwise, the MySQL binlog + thread has released the mutex. This is to make the + group commit algorithm to work. Otherwise, the prepare_commit mutex would serialize all commits and prevent a group of transactions from gathering. */ From 23151f3db8d233804f3512a452dc3856adfce1fa Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 14 Jan 2009 14:25:45 +0000 Subject: [PATCH 120/400] branches/innodb+: Merge revisions 3602:3931 from branches/zip: ------------------------------------------------------------------------ r3607 | marko | 2008-12-30 22:33:31 +0200 (Tue, 30 Dec 2008) | 20 lines branches/zip: Remove the dependency on the MySQL HASH table implementation. Use the InnoDB hash table for keeping track of INNOBASE_SHARE objects. struct st_innobase_share: Make table_name const uchar*. Add the member table_name_hash. innobase_open_tables: Change the type from HASH to hash_table_t*. innobase_get_key(): Remove. innobase_fold_name(): New function, for computing the fold value for the InnoDB hash table. get_share(), free_share(): Use the InnoDB hash functions. innobase_end(): Free innobase_open_tables before shutting down InnoDB. Shutting down InnoDB will invalidate all memory allocated via InnoDB. rb://65 approved by Heikki Tuuri. This addresses Issue #104. ------------------------------------------------------------------------ r3608 | marko | 2008-12-30 22:45:04 +0200 (Tue, 30 Dec 2008) | 22 lines branches/zip: When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, compress the page at the same time. This is necessary, because the column information stored on the compressed page will differ between leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. This bug was reported as Issue #150. Document the similarity between btr_page_create() and btr_page_empty(). Make the function signature of btr_page_empty() identical with btr_page_create(). (This will add the parameter "level".) btr_root_raise_and_insert(): Replace some code with a call to btr_page_empty(). btr_attach_half_pages(): Assert that the page level has already been set on both block and new_block. Do not set it again. btr_discard_only_page_on_level(): Document that this function is probably never called. Make it work on any height tree. (Tested on 2-high tree by disabling btr_lift_page_up().) rb://68 ------------------------------------------------------------------------ r3612 | marko | 2009-01-02 11:02:44 +0200 (Fri, 02 Jan 2009) | 14 lines branches/zip: Merge c2998 from branches/6.0, so that the same InnoDB Plugin source tree will work both under 5.1 and 6.0. Do not add the test case innodb_ctype_ldml.test, because it would not work under MySQL 5.1. Refuse to create tables whose columns contain collation IDs above 255. This removes an assertion failure that was introduced in WL#4164 (Two-byte collation IDs). create_table_def(): Do not fail an assertion if a column contains a charset-collation ID greater than 256. Instead, issue an error and refuse to create the table. The original change (branches/6.0 r2998) was rb://51 approved by Calvin Sun. ------------------------------------------------------------------------ r3613 | inaam | 2009-01-02 15:10:50 +0200 (Fri, 02 Jan 2009) | 6 lines branches/zip: Implement the parameter innodb_use_sys_malloc (false by default), for disabling InnoDB's internal memory allocator and using system malloc/free instead. rb://62 approved by Marko ------------------------------------------------------------------------ r3614 | marko | 2009-01-02 15:55:12 +0200 (Fri, 02 Jan 2009) | 1 line branches/zip: ChangeLog: Document r3608 and r3613. ------------------------------------------------------------------------ r3615 | marko | 2009-01-02 15:57:51 +0200 (Fri, 02 Jan 2009) | 1 line branches/zip: ChangeLog: Clarify the impact of r3608. ------------------------------------------------------------------------ r3616 | marko | 2009-01-03 00:23:30 +0200 (Sat, 03 Jan 2009) | 1 line branches/zip: srv_suspend_mysql_thread(): Add some clarifying comments. ------------------------------------------------------------------------ r3618 | marko | 2009-01-05 12:54:53 +0200 (Mon, 05 Jan 2009) | 15 lines branches/zip: Merge revisions 3598:3601 from branches/5.1: ------------------------------------------------------------------------ r3601 | marko | 2008-12-22 16:05:19 +0200 (Mon, 22 Dec 2008) | 9 lines branches/5.1: Make SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED a true replacement of SET GLOBAL INNODB_LOCKS_UNSAFE_FOR_BINLOG=1. This fixes an error that was introduced in r370, causing semi-consistent read not to not unlock rows in READ COMMITTED mode. (Bug #41671, Issue #146) rb://67 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r3623 | vasil | 2009-01-06 09:56:32 +0200 (Tue, 06 Jan 2009) | 7 lines branches/zip: Add patch to fix the failing main.variables mysql-test. It started failing after the variable innodb_use_sys_malloc was added because it matches '%alloc%' and the test is badly written and expects that no new variables like that will ever be added. ------------------------------------------------------------------------ r3795 | marko | 2009-01-07 16:17:47 +0200 (Wed, 07 Jan 2009) | 7 lines branches/zip: row_merge_tuple_cmp(): Do not report a duplicate key value if any of the fields are NULL. While the tuples are equal in the sorting order, SQL NULL is defined to be logically inequal to anything else. (Bug #41904) rb://70 approved by Heikki Tuuri ------------------------------------------------------------------------ r3796 | marko | 2009-01-07 16:19:32 +0200 (Wed, 07 Jan 2009) | 1 line branches/zip: Add the tests that were forgotten from r3795. ------------------------------------------------------------------------ r3797 | marko | 2009-01-07 16:22:18 +0200 (Wed, 07 Jan 2009) | 22 lines branches/zip: Do not call trx_allocate_for_mysql() directly, but use helper functions that initialize some members of the transaction struct. (Bug #41680) innobase_trx_init(): New function: initialize some fields of a transaction struct from a MySQL THD object. innobase_trx_allocate(): New function: allocate and initialize a transaction struct. check_trx_exists(): Use the above two functions. ha_innobase::delete_table(), ha_innobase::rename_table(), ha_innobase::add_index(), ha_innobase::final_drop_index(): Use innobase_trx_allocate(). innobase_drop_database(): In the Windows plugin, initialize the trx_t specially, because the THD is not available. Otherwise, use innobase_trx_allocate(). rb://69 accepted by Heikki Tuuri ------------------------------------------------------------------------ r3798 | marko | 2009-01-07 16:42:42 +0200 (Wed, 07 Jan 2009) | 8 lines branches/zip: row_merge_drop_temp_indexes(): Do not lock the rows of SYS_INDEXES when looking for partially created indexes. Use the transaction isolation level READ UNCOMMITTED to avoid interfering with locks held by incomplete transactions that will be rolled back in a subsequent step in the recovery. (Issue #152) Approved by Heikki Tuuri ------------------------------------------------------------------------ r3852 | vasil | 2009-01-08 22:10:10 +0200 (Thu, 08 Jan 2009) | 4 lines branches/zip: Add ChangeLog entries for r3795 r3796 r3797 r3798. ------------------------------------------------------------------------ r3866 | marko | 2009-01-09 15:09:51 +0200 (Fri, 09 Jan 2009) | 2 lines branches/zip: buf_flush_try_page(): Move some common code from each switch case before the switch block. ------------------------------------------------------------------------ r3867 | marko | 2009-01-09 15:13:14 +0200 (Fri, 09 Jan 2009) | 2 lines branches/zip: buf_flush_try_page(): Introduce the variable is_compressed for caching the result of buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE. ------------------------------------------------------------------------ r3868 | marko | 2009-01-09 15:40:11 +0200 (Fri, 09 Jan 2009) | 4 lines branches/zip: buf_flush_insert_into_flush_list(), buf_flush_insert_sorted_into_flush_list(): Remove unused code. Change the parameter to buf_block_t* block and assert that block->state == BUF_BLOCK_FILE_PAGE. This is part of Issue #155. ------------------------------------------------------------------------ r3873 | marko | 2009-01-09 22:27:40 +0200 (Fri, 09 Jan 2009) | 17 lines branches/zip: Some non-functional changes related to Issue #155. buf_page_struct: Note that space and offset are also protected by buf_pool_mutex. They are only assigned to by buf_block_set_file_page(). Thus, it suffices for buf_flush_batch() to hold just buf_pool_mutex when checking these fields. buf_flush_try_page(): Rename "locked" to "is_s_latched", per Heikki's request. buf_flush_batch(): Move the common statement mutex_exit(block_mutex) from all if-else if-else branches before the if block. Remove the redundant test (buf_pool->init_flush[flush_type] == FALSE) that was apparently copied from buf_flush_write_complete(). buf_flush_write_block_low(): Note why it is safe not to hold buf_pool_mutex or block_mutex. Enumerate the assumptions in debug assertions. ------------------------------------------------------------------------ r3874 | marko | 2009-01-09 23:09:06 +0200 (Fri, 09 Jan 2009) | 4 lines branches/zip: Add comments related to Issue #155. buf_flush_try_page(): Note why it is safe to access bpage without holding buf_pool_mutex or block_mutex. ------------------------------------------------------------------------ r3875 | marko | 2009-01-09 23:15:12 +0200 (Fri, 09 Jan 2009) | 11 lines branches/zip: Non-functional change: Tighten debug assertions and remove dead code. buf_flush_ready_for_flush(), buf_flush_try_page(): Assert that flush_type is one of BUF_FLUSH_LRU or BUF_FLUSH_LIST. The flush_type comes from buf_flush_batch(), which already asserts this. The assertion holds for all calls in the source code. buf_flush_try_page(): Remove the dead case BUF_FLUSH_SINGLE_PAGE of switch (flush_type). ------------------------------------------------------------------------ r3879 | marko | 2009-01-12 12:46:44 +0200 (Mon, 12 Jan 2009) | 14 lines branches/zip: Simplify the flushing of dirty pages from the buffer pool. buf_flush_try_page(): Rename to buf_flush_page(), and change the return type to void. Replace the parameters space, offset with bpage, and remove the second page hash lookup. Note and assert that both buf_pool_mutex and block_mutex must now be held upon entering the function. They will still be released by this function. buf_flush_try_neighbors(): Replace buf_flush_try_page() with buf_flush_page(). Make the logic easier to follow by not negating the precondition of buf_flush_page(). rb://73 approved by Sunny Bains. This is related to Issue #157. ------------------------------------------------------------------------ r3880 | marko | 2009-01-12 13:24:37 +0200 (Mon, 12 Jan 2009) | 2 lines branches/zip: buf_flush_page(): Fix a comment that should have been fixed in r3879. Spotted by Sunny. ------------------------------------------------------------------------ r3881 | marko | 2009-01-12 14:25:22 +0200 (Mon, 12 Jan 2009) | 2 lines branches/zip: buf_page_get_newest_modification(): Use the block mutex instead of the buffer pool mutex. This is related to Issue #157. ------------------------------------------------------------------------ r3882 | marko | 2009-01-12 14:40:08 +0200 (Mon, 12 Jan 2009) | 3 lines branches/zip: struct mtr_struct: Remove the unused field magic_n unless UNIV_DEBUG is defined. mtr->magic_n is only assigned to and checked in UNIV_DEBUG builds. ------------------------------------------------------------------------ r3883 | marko | 2009-01-12 14:48:59 +0200 (Mon, 12 Jan 2009) | 1 line branches/zip: Non-functional change: Use ut_d when assigning to mtr->state. ------------------------------------------------------------------------ r3884 | marko | 2009-01-12 18:56:11 +0200 (Mon, 12 Jan 2009) | 16 lines branches/zip: Non-functional change: Add some debug assertions and comments. buf_page_t: Note that the LRU fields are protected by buf_pool_mutex only, not block->mutex or buf_pool_zip_mutex. buf_page_get_freed_page_clock(): Note that this is sometimes invoked without mutex protection. buf_pool_get_oldest_modification(): Note that the result may be out of date. buf_page_get_LRU_position(), buf_page_is_old(): Assert that the buffer pool mutex is being held. buf_page_release(): Assert that dirty blocks are in the flush list. ------------------------------------------------------------------------ r3896 | marko | 2009-01-13 09:30:26 +0200 (Tue, 13 Jan 2009) | 2 lines branches/zip: buf_flush_try_neighbors(): Fix a bug that was introduced in r3879 (rb://73). ------------------------------------------------------------------------ r3900 | marko | 2009-01-13 10:32:24 +0200 (Tue, 13 Jan 2009) | 1 line branches/zip: Fix some comments to say buf_pool_mutex. ------------------------------------------------------------------------ r3907 | marko | 2009-01-13 11:54:01 +0200 (Tue, 13 Jan 2009) | 3 lines branches/zip: row_merge_create_temporary_table(): On error, row_create_table_for_mysql() already frees new_table. Do not attempt to free it again. ------------------------------------------------------------------------ r3908 | marko | 2009-01-13 12:34:32 +0200 (Tue, 13 Jan 2009) | 1 line branches/zip: Enable HASH_ASSERT_OWNED independently of UNIV_SYNC_DEBUG. ------------------------------------------------------------------------ r3914 | marko | 2009-01-13 21:46:22 +0200 (Tue, 13 Jan 2009) | 37 lines branches/zip: In hash table lookups, assert that the traversed items satisfy some conditions when UNIV_DEBUG is defined. HASH_SEARCH(): New parameter: ASSERTION. All users will pass an appropriate ut_ad() or nothing. dict_table_add_to_columns(): Assert that the table being added to the data dictionary cache is not already being pointed to by the name_hash and id_hash tables. HASH_SEARCH_ALL(): New macro, for use in dict_table_add_to_columns(). dict_mem_table_free(): Set ut_d(table->cached = FALSE), so that we can check ut_ad(table->cached) when traversing the hash tables, as in HASH_SEARCH(name_hash, dict_sys->table_hash, ...) and HASH_SEARCH(id_hash, dict_sys->table_id_hash, ...). dict_table_get_low(), dict_table_get_on_id_low(): Assert ut_ad(!table || table->cached). fil_space_get_by_id(): Check ut_ad(space->magic_n == FIL_SPACE_MAGIC_N) in HASH_SEARCH(hash, fil_system->spaces, ...). fil_space_get_by_name(): Check ut_ad(space->magic_n == FIL_SPACE_MAGIC_N) in HASH_SEARCH(name_hash, fil_system->name_hash, ...). buf_buddy_block_free(): Check that the blocks are in valid state in HASH_SEARCH(hash, buf_pool->zip_hash, ...). buf_page_hash_get(): Check that the blocks are in valid state in HASH_SEARCH(hash, buf_pool->page_hash, ...). get_share(), free_share(): Check ut_ad(share->use_count > 0) in HASH_SEARCH(table_name_hash, innobase_open_tables, ...). This was posted as rb://75 for tracking down errors similar to Issue #153. ------------------------------------------------------------------------ r3931 | marko | 2009-01-14 16:06:22 +0200 (Wed, 14 Jan 2009) | 26 lines branches/zip: Merge revisions 3601:3930 from branches/5.1: ------------------------------------------------------------------------ r3911 | sunny | 2009-01-13 14:15:24 +0200 (Tue, 13 Jan 2009) | 13 lines branches/5.1: Fix Bug#38187 Error 153 when creating savepoints InnoDB previously treated savepoints as a stack e.g., SAVEPOINT a; SAVEPOINT b; SAVEPOINT c; SAVEPOINT b; <- This would delete b and c. This fix changes the behavior to: SAVEPOINT a; SAVEPOINT b; SAVEPOINT c; SAVEPOINT b; <- Does not delete savepoint c ------------------------------------------------------------------------ r3930 | marko | 2009-01-14 15:51:30 +0200 (Wed, 14 Jan 2009) | 4 lines branches/5.1: dict_load_table(): If dict_load_indexes() fails, invoke dict_table_remove_from_cache() instead of dict_mem_table_free(), so that the data dictionary will not point to freed data. (Bug #42075, Issue #153, rb://76 approved by Heikki Tuuri) ------------------------------------------------------------------------ ------------------------------------------------------------------------ --- ChangeLog | 60 +++++ buf/buf0buddy.c | 2 + buf/buf0buf.c | 2 +- buf/buf0flu.c | 269 +++++++------------ buf/buf0lru.c | 2 +- dict/dict0dict.c | 26 +- dict/dict0load.c | 8 +- dict/dict0mem.c | 1 + fil/fil0fil.c | 8 +- ha/ha0storage.c | 1 + handler/ha_innodb.cc | 157 ++++++----- handler/ha_innodb.h | 9 + handler/handler0alter.cc | 10 +- handler/win_delay_loader.cc | 4 + include/buf0buf.h | 9 +- include/buf0buf.ic | 17 +- include/buf0flu.h | 7 - include/buf0flu.ic | 13 +- include/dict0dict.ic | 10 +- include/hash0hash.h | 35 ++- include/mtr0mtr.h | 6 +- include/mtr0mtr.ic | 7 +- include/srv0srv.h | 1 + include/trx0roll.h | 14 +- mem/mem0pool.c | 11 + mtr/mtr0mtr.c | 9 +- mysql-test/innodb-semi-consistent-master.opt | 2 +- mysql-test/innodb-semi-consistent.result | 5 +- mysql-test/innodb-semi-consistent.test | 7 +- mysql-test/innodb-use-sys-malloc-master.opt | 2 + mysql-test/innodb-use-sys-malloc.result | 48 ++++ mysql-test/innodb-use-sys-malloc.test | 48 ++++ mysql-test/innodb_bug41904.result | 4 + mysql-test/innodb_bug41904.test | 14 + mysql-test/patches/bug41893.diff | 87 ++++++ row/row0merge.c | 29 +- row/row0mysql.c | 7 +- srv/srv0srv.c | 7 +- srv/srv0start.c | 5 + thr/thr0loc.c | 4 +- trx/trx0i_s.c | 2 + trx/trx0roll.c | 51 ++-- trx/trx0trx.c | 4 +- 43 files changed, 684 insertions(+), 340 deletions(-) create mode 100644 mysql-test/innodb-use-sys-malloc-master.opt create mode 100644 mysql-test/innodb-use-sys-malloc.result create mode 100644 mysql-test/innodb-use-sys-malloc.test create mode 100644 mysql-test/innodb_bug41904.result create mode 100644 mysql-test/innodb_bug41904.test create mode 100644 mysql-test/patches/bug41893.diff diff --git a/ChangeLog b/ChangeLog index 03daaec0201..dd906230d19 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,63 @@ +2009-01-13 The InnoDB Team + + * include/hash0hash.h, include/dict0dict.ic, dict/dict0dict.c, + include/buf0buf.ic, buf/buf0buddy.c, trx/trx0i_s.c, + handler/ha_innodb.cc, handler/win_delay_loader.cc, + dict/dict0mem.c, ha/ha0storage.c, thr/thr0loc.c, fil/fil0fil.c: + Add the parameter ASSERTION to HASH_SEARCH() macro, and use it for + light validation of the traversed items in hash table lookups when + UNIV_DEBUG is enabled. + +2009-01-09 The InnoDB Team + + * include/buf0flu.h, include/buf0flu.ic, buf/buf0flu.c: + Remove unused code from the functions + buf_flush_insert_into_flush_list() and + buf_flush_insert_sorted_into_flush_list(). + +2009-01-09 The InnoDB Team + + * buf/buf0flu.c: Simplify the functions buf_flush_try_page() and + buf_flush_batch(). Add debug assertions and an explanation to + buf_flush_write_block_low(). + +2009-01-07 The InnoDB Team + + * row/row0merge.c: + Fix a bug in recovery when dropping temporary indexes + +2009-01-07 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h, handler/handler0alter.cc: + Fix Bug#41680 calls to trx_allocate_for_mysql are not consistent + +2009-01-07 The InnoDB Team + + * mysql-test/innodb_bug41904.result, mysql-test/innodb_bug41904.test, + row/row0merge.c: + Fix Bug#41904 create unique index problem + +2009-01-02 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c, + srv/srv0start.c, mem/mem0pool.c, + mysql-test/innodb-use-sys-malloc-master.opt, + mysql-test/innodb-use-sys-malloc.result, + mysql-test/innodb-use-sys-malloc.test: + Implement the configuration parameter innodb_use_sys_malloc + (false by default), for disabling InnoDB's internal memory allocator + and using system malloc/free instead. + +2008-12-30 The InnoDB Team + + * btr/btr0btr.c: + When setting the PAGE_LEVEL of a compressed B-tree page from or to + 0, compress the page at the same time. This is necessary, because + the column information stored on the compressed page will differ + between leaf and non-leaf pages. Leaf pages are identified by + PAGE_LEVEL=0. This bug can make InnoDB crash when all rows of a + compressed table are deleted. + 2008-12-17 The InnoDB Team * include/row0upd.h, include/row0sel.h, pars/pars0pars.c, diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index e7ffd7e64b7..c6a2c2dacf9 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -172,6 +172,8 @@ buf_buddy_block_free( ut_a(!ut_align_offset(buf, UNIV_PAGE_SIZE)); HASH_SEARCH(hash, buf_pool->zip_hash, fold, buf_page_t*, bpage, + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY + && bpage->in_zip_hash && !bpage->in_page_hash), ((buf_block_t*) bpage)->frame == buf); ut_a(bpage); ut_a(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index a3436415cb8..c9976182358 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -245,7 +245,7 @@ static ulint buf_dbg_counter = 0; /* This is used to insert validation operations in excution in the debug version */ /** Flag to forbid the release of the buffer pool mutex. -Protected by buf_pool->mutex. */ +Protected by buf_pool_mutex. */ UNIV_INTERN ulint buf_pool_mutex_exit_forbidden = 0; #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 5e1f2f3d29c..9585cb2238b 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -179,44 +179,27 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_page_t* bpage) /* in: block which is modified */ + buf_block_t* block) /* in/out: block which is modified */ { ut_ad(buf_pool_mutex_own()); ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification - <= bpage->oldest_modification)); + <= block->page.oldest_modification)); /* If we are in the recovery then we need to update the flush red-black tree as well. */ if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_insert_sorted_into_flush_list(bpage); + buf_flush_insert_sorted_into_flush_list(block); return; } - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - mutex_enter(&buf_pool_zip_mutex); - buf_page_set_state(bpage, BUF_BLOCK_ZIP_DIRTY); - mutex_exit(&buf_pool_zip_mutex); - UT_LIST_REMOVE(list, buf_pool->zip_clean, bpage); - /* fall through */ - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_FILE_PAGE: - ut_ad(bpage->in_LRU_list); - ut_ad(bpage->in_page_hash); - ut_ad(!bpage->in_zip_hash); - ut_ad(!bpage->in_flush_list); - ut_d(bpage->in_flush_list = TRUE); - UT_LIST_ADD_FIRST(list, buf_pool->flush_list, bpage); - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - return; - } + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(block->page.in_LRU_list); + ut_ad(block->page.in_page_hash); + ut_ad(!block->page.in_zip_hash); + ut_ad(!block->page.in_flush_list); + ut_d(block->page.in_flush_list = TRUE); + UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low()); @@ -231,36 +214,19 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_page_t* bpage) /* in: block which is modified */ + buf_block_t* block) /* in/out: block which is modified */ { buf_page_t* prev_b; buf_page_t* b; ut_ad(buf_pool_mutex_own()); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - mutex_enter(&buf_pool_zip_mutex); - buf_page_set_state(bpage, BUF_BLOCK_ZIP_DIRTY); - mutex_exit(&buf_pool_zip_mutex); - UT_LIST_REMOVE(list, buf_pool->zip_clean, bpage); - /* fall through */ - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_FILE_PAGE: - ut_ad(bpage->in_LRU_list); - ut_ad(bpage->in_page_hash); - ut_ad(!bpage->in_zip_hash); - ut_ad(!bpage->in_flush_list); - ut_d(bpage->in_flush_list = TRUE); - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - return; - } + ut_ad(block->page.in_LRU_list); + ut_ad(block->page.in_page_hash); + ut_ad(!block->page.in_zip_hash); + ut_ad(!block->page.in_flush_list); + ut_d(block->page.in_flush_list = TRUE); prev_b = NULL; @@ -272,14 +238,14 @@ buf_flush_insert_sorted_into_flush_list( linear search in the else block. */ if (buf_pool->flush_rbt) { - prev_b = buf_flush_insert_in_flush_rbt(bpage); + prev_b = buf_flush_insert_in_flush_rbt(&block->page); } else { b = UT_LIST_GET_FIRST(buf_pool->flush_list); while (b && b->oldest_modification - > bpage->oldest_modification) { + > block->page.oldest_modification) { ut_ad(b->in_flush_list); prev_b = b; b = UT_LIST_GET_NEXT(list, b); @@ -287,10 +253,10 @@ buf_flush_insert_sorted_into_flush_list( } if (prev_b == NULL) { - UT_LIST_ADD_FIRST(list, buf_pool->flush_list, bpage); + UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); } else { UT_LIST_INSERT_AFTER(list, buf_pool->flush_list, - prev_b, bpage); + prev_b, &block->page); } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG @@ -345,6 +311,7 @@ buf_flush_ready_for_flush( ut_a(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(flush_type == BUF_FLUSH_LRU || BUF_FLUSH_LIST); if (bpage->oldest_modification != 0 && buf_page_get_io_fix(bpage) == BUF_IO_NONE) { @@ -910,6 +877,16 @@ buf_flush_write_block_low( ut_ad(buf_page_in_file(bpage)); + /* We are not holding buf_pool_mutex or block_mutex here. + Nevertheless, it is safe to access bpage, because it is + io_fixed and oldest_modification != 0. Thus, it cannot be + relocated in the buffer pool or removed from flush_list or + LRU_list. */ + ut_ad(!buf_pool_mutex_own()); + ut_ad(!mutex_own(buf_page_get_mutex(bpage))); + ut_ad(buf_page_get_io_fix(bpage) == BUF_IO_WRITE); + ut_ad(bpage->oldest_modification != 0); + #ifdef UNIV_IBUF_COUNT_DEBUG ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); #endif @@ -971,68 +948,55 @@ buf_flush_write_block_low( } /************************************************************************ -Writes a page asynchronously from the buffer buf_pool to a file, if it can be -found in the buf_pool and it is in a flushable state. NOTE: in simulated aio -we must call os_aio_simulated_wake_handler_threads after we have posted a batch -of writes! */ +Writes a flushable page asynchronously from the buffer pool to a file. +NOTE: in simulated aio we must call +os_aio_simulated_wake_handler_threads after we have posted a batch of +writes! NOTE: buf_pool_mutex and buf_page_get_mutex(bpage) must be +held upon entering this function, and they will be released by this +function. */ static -ulint -buf_flush_try_page( -/*===============*/ - /* out: 1 if a page was - flushed, 0 otherwise */ - ulint space, /* in: space id */ - ulint offset, /* in: page offset */ - enum buf_flush flush_type) /* in: BUF_FLUSH_LRU, BUF_FLUSH_LIST, - or BUF_FLUSH_SINGLE_PAGE */ +void +buf_flush_page( +/*===========*/ + buf_page_t* bpage, /* in: buffer control block */ + enum buf_flush flush_type) /* in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ { - buf_page_t* bpage; mutex_t* block_mutex; - ibool locked; + ibool is_uncompressed; - ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST - || flush_type == BUF_FLUSH_SINGLE_PAGE); + ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_in_file(bpage)); - buf_pool_mutex_enter(); - - bpage = buf_page_hash_get(space, offset); - - if (!bpage) { - buf_pool_mutex_exit(); - return(0); - } - - ut_a(buf_page_in_file(bpage)); block_mutex = buf_page_get_mutex(bpage); + ut_ad(mutex_own(block_mutex)); - mutex_enter(block_mutex); + ut_ad(buf_flush_ready_for_flush(bpage, flush_type)); - if (!buf_flush_ready_for_flush(bpage, flush_type)) { - mutex_exit(block_mutex); - buf_pool_mutex_exit(); - return(0); + buf_page_set_io_fix(bpage, BUF_IO_WRITE); + + buf_page_set_flush_type(bpage, flush_type); + + if (buf_pool->n_flush[flush_type] == 0) { + + os_event_reset(buf_pool->no_flush[flush_type]); } + buf_pool->n_flush[flush_type]++; + + is_uncompressed = (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); + ut_ad(is_uncompressed == (block_mutex != &buf_pool_zip_mutex)); + switch (flush_type) { + ibool is_s_latched; case BUF_FLUSH_LIST: - buf_page_set_io_fix(bpage, BUF_IO_WRITE); - - buf_page_set_flush_type(bpage, flush_type); - - if (buf_pool->n_flush[flush_type] == 0) { - - os_event_reset(buf_pool->no_flush[flush_type]); - } - - buf_pool->n_flush[flush_type]++; - /* If the simulated aio thread is not running, we must not wait for any latch, as we may end up in a deadlock: if buf_fix_count == 0, then we know we need not wait */ - locked = bpage->buf_fix_count == 0; - if (locked - && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { + is_s_latched = (bpage->buf_fix_count == 0); + if (is_s_latched && is_uncompressed) { rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, BUF_IO_WRITE); } @@ -1040,10 +1004,16 @@ buf_flush_try_page( mutex_exit(block_mutex); buf_pool_mutex_exit(); - if (!locked) { + /* Even though bpage is not protected by any mutex at + this point, it is safe to access bpage, because it is + io_fixed and oldest_modification != 0. Thus, it + cannot be relocated in the buffer pool or removed from + flush_list or LRU_list. */ + + if (!is_s_latched) { buf_flush_buffered_writes(); - if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { + if (is_uncompressed) { rw_lock_s_lock_gen(&((buf_block_t*) bpage) ->lock, BUF_IO_WRITE); } @@ -1056,22 +1026,10 @@ buf_flush_try_page( Because any thread may call the LRU flush, even when owning locks on pages, to avoid deadlocks, we must make sure that the s-lock is acquired on the page without waiting: this is - accomplished because in the if-condition above we require - the page not to be bufferfixed (in function - ..._ready_for_flush). */ + accomplished because buf_flush_ready_for_flush() must hold, + and that requires the page not to be bufferfixed. */ - buf_page_set_io_fix(bpage, BUF_IO_WRITE); - - buf_page_set_flush_type(bpage, flush_type); - - if (buf_pool->n_flush[flush_type] == 0) { - - os_event_reset(buf_pool->no_flush[flush_type]); - } - - buf_pool->n_flush[flush_type]++; - - if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { + if (is_uncompressed) { rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, BUF_IO_WRITE); } @@ -1084,31 +1042,15 @@ buf_flush_try_page( buf_pool_mutex_exit(); break; - case BUF_FLUSH_SINGLE_PAGE: - buf_page_set_io_fix(bpage, BUF_IO_WRITE); - - buf_page_set_flush_type(bpage, flush_type); - - if (buf_pool->n_flush[flush_type] == 0) { - - os_event_reset(buf_pool->no_flush[flush_type]); - } - - buf_pool->n_flush[flush_type]++; - - mutex_exit(block_mutex); - buf_pool_mutex_exit(); - - if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { - rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, - BUF_IO_WRITE); - } - break; - default: ut_error; } + /* Even though bpage is not protected by any mutex at this + point, it is safe to access bpage, because it is io_fixed and + oldest_modification != 0. Thus, it cannot be relocated in the + buffer pool or removed from flush_list or LRU_list. */ + #ifdef UNIV_DEBUG if (buf_debug_prints) { fprintf(stderr, @@ -1117,8 +1059,6 @@ buf_flush_try_page( } #endif /* UNIV_DEBUG */ buf_flush_write_block_low(bpage); - - return(1); } /*************************************************************** @@ -1168,21 +1108,20 @@ buf_flush_try_neighbors( for (i = low; i < high; i++) { bpage = buf_page_hash_get(space, i); - ut_a(!bpage || buf_page_in_file(bpage)); if (!bpage) { continue; + } - } else if (flush_type == BUF_FLUSH_LRU && i != offset - && !buf_page_is_old(bpage)) { + ut_a(buf_page_in_file(bpage)); - /* We avoid flushing 'non-old' blocks in an LRU flush, - because the flushed blocks are soon freed */ - - continue; - } else { + /* We avoid flushing 'non-old' blocks in an LRU flush, + because the flushed blocks are soon freed */ + if (flush_type != BUF_FLUSH_LRU + || i == offset + || buf_page_is_old(bpage)) { mutex_t* block_mutex = buf_page_get_mutex(bpage); mutex_enter(block_mutex); @@ -1197,18 +1136,9 @@ buf_flush_try_neighbors( flush the doublewrite buffer before we start waiting. */ - buf_pool_mutex_exit(); - - mutex_exit(block_mutex); - - /* Note: as we release the buf_pool mutex - above, in buf_flush_try_page we cannot be sure - the page is still in a flushable state: - therefore we check it again inside that - function. */ - - count += buf_flush_try_page(space, i, - flush_type); + buf_flush_page(bpage, flush_type); + ut_ad(!mutex_own(block_mutex)); + count++; buf_pool_mutex_enter(); } else { @@ -1308,19 +1238,20 @@ flush_next: function a pointer to a block in the list! */ do { - mutex_t* block_mutex = buf_page_get_mutex(bpage); + mutex_t*block_mutex = buf_page_get_mutex(bpage); + ibool ready; ut_a(buf_page_in_file(bpage)); mutex_enter(block_mutex); + ready = buf_flush_ready_for_flush(bpage, flush_type); + mutex_exit(block_mutex); - if (buf_flush_ready_for_flush(bpage, flush_type)) { - + if (ready) { space = buf_page_get_space(bpage); offset = buf_page_get_page_no(bpage); buf_pool_mutex_exit(); - mutex_exit(block_mutex); old_page_count = page_count; @@ -1336,15 +1267,10 @@ flush_next: goto flush_next; } else if (flush_type == BUF_FLUSH_LRU) { - - mutex_exit(block_mutex); - bpage = UT_LIST_GET_PREV(LRU, bpage); } else { ut_ad(flush_type == BUF_FLUSH_LIST); - mutex_exit(block_mutex); - bpage = UT_LIST_GET_PREV(list, bpage); ut_ad(!bpage || bpage->in_flush_list); } @@ -1357,8 +1283,7 @@ flush_next: buf_pool->init_flush[flush_type] = FALSE; - if ((buf_pool->n_flush[flush_type] == 0) - && (buf_pool->init_flush[flush_type] == FALSE)) { + if (buf_pool->n_flush[flush_type] == 0) { /* The running flush batch has ended */ diff --git a/buf/buf0lru.c b/buf/buf0lru.c index e495cc51a31..b90433a7087 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -251,7 +251,7 @@ scan_again: if (num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE) { goto next_page; } - /* Array full. We release the buf_pool->mutex to + /* Array full. We release the buf_pool_mutex to obey the latching order. */ buf_pool_mutex_exit(); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 0f5eef60059..000e3d1017f 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -751,18 +751,34 @@ dict_table_add_to_cache( { dict_table_t* table2; HASH_SEARCH(name_hash, dict_sys->table_hash, fold, - dict_table_t*, table2, - (ut_strcmp(table2->name, table->name) == 0)); + dict_table_t*, table2, ut_ad(table2->cached), + ut_strcmp(table2->name, table->name) == 0); ut_a(table2 == NULL); + +#ifdef UNIV_DEBUG + /* Look for the same table pointer with a different name */ + HASH_SEARCH_ALL(name_hash, dict_sys->table_hash, + dict_table_t*, table2, ut_ad(table2->cached), + table2 == table); + ut_ad(table2 == NULL); +#endif /* UNIV_DEBUG */ } /* Look for a table with the same id: error if such exists */ { dict_table_t* table2; HASH_SEARCH(id_hash, dict_sys->table_id_hash, id_fold, - dict_table_t*, table2, - (ut_dulint_cmp(table2->id, table->id) == 0)); + dict_table_t*, table2, ut_ad(table2->cached), + ut_dulint_cmp(table2->id, table->id) == 0); ut_a(table2 == NULL); + +#ifdef UNIV_DEBUG + /* Look for the same table pointer with a different id */ + HASH_SEARCH_ALL(id_hash, dict_sys->table_id_hash, + dict_table_t*, table2, ut_ad(table2->cached), + table2 == table); + ut_ad(table2 == NULL); +#endif /* UNIV_DEBUG */ } /* Add table to hash table of tables */ @@ -844,7 +860,7 @@ dict_table_rename_in_cache( { dict_table_t* table2; HASH_SEARCH(name_hash, dict_sys->table_hash, fold, - dict_table_t*, table2, + dict_table_t*, table2, ut_ad(table2->cached), (ut_strcmp(table2->name, new_name) == 0)); if (UNIV_LIKELY_NULL(table2)) { ut_print_timestamp(stderr); diff --git a/dict/dict0load.c b/dict/dict0load.c index e51b1376be3..521c9d656ec 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -949,11 +949,11 @@ err_exit: of the error condition, since the user may want to dump data from the clustered index. However we load the foreign key information only if all indexes were loaded. */ - if (err != DB_SUCCESS && !srv_force_recovery) { - dict_mem_table_free(table); - table = NULL; - } else if (err == DB_SUCCESS) { + if (err == DB_SUCCESS) { err = dict_load_foreigns(table->name, TRUE); + } else if (!srv_force_recovery) { + dict_table_remove_from_cache(table); + table = NULL; } # if 0 if (err != DB_SUCCESS && table != NULL) { diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 15372d8e261..dff2ad3f552 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -84,6 +84,7 @@ dict_mem_table_free( { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_d(table->cached = FALSE); mutex_free(&(table->autoinc_mutex)); mem_heap_free(table->heap); diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 107a81b85a8..d413cb7d31d 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -363,7 +363,9 @@ fil_space_get_by_id( ut_ad(mutex_own(&fil_system->mutex)); HASH_SEARCH(hash, fil_system->spaces, id, - fil_space_t*, space, space->id == id); + fil_space_t*, space, + ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), + space->id == id); return(space); } @@ -384,7 +386,9 @@ fil_space_get_by_name( fold = ut_fold_string(name); HASH_SEARCH(name_hash, fil_system->name_hash, fold, - fil_space_t*, space, !strcmp(name, space->name)); + fil_space_t*, space, + ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), + !strcmp(name, space->name)); return(space); } diff --git a/ha/ha0storage.c b/ha/ha0storage.c index ca2e644954c..046ab9b9346 100644 --- a/ha/ha0storage.c +++ b/ha/ha0storage.c @@ -45,6 +45,7 @@ ha_storage_get( fold, /* key */ ha_storage_node_t*, /* type of node->next */ node, /* auxiliary variable */ + , /* assertion */ IS_FOUND); /* search criteria */ if (node == NULL) { diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 829be82b821..1ce0e0e30a4 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -1211,6 +1211,53 @@ innobase_next_autoinc( return(next_value); } +/************************************************************************* +Initializes some fields in an InnoDB transaction object. */ +static +void +innobase_trx_init( +/*==============*/ + THD* thd, /* in: user thread handle */ + trx_t* trx) /* in/out: InnoDB transaction handle */ +{ + DBUG_ENTER("innobase_trx_init"); + DBUG_ASSERT(EQ_CURRENT_THD(thd)); + DBUG_ASSERT(thd == trx->mysql_thd); + + trx->check_foreigns = !thd_test_options( + thd, OPTION_NO_FOREIGN_KEY_CHECKS); + + trx->check_unique_secondary = !thd_test_options( + thd, OPTION_RELAXED_UNIQUE_CHECKS); + + DBUG_VOID_RETURN; +} + +/************************************************************************* +Allocates an InnoDB transaction for a MySQL handler object. */ +extern "C" UNIV_INTERN +trx_t* +innobase_trx_allocate( +/*==================*/ + /* out: InnoDB transaction handle */ + THD* thd) /* in: user thread handle */ +{ + trx_t* trx; + + DBUG_ENTER("innobase_trx_allocate"); + DBUG_ASSERT(thd != NULL); + DBUG_ASSERT(EQ_CURRENT_THD(thd)); + + trx = trx_allocate_for_mysql(); + + trx->mysql_thd = thd; + trx->mysql_query_str = thd_query(thd); + + innobase_trx_init(thd, trx); + + DBUG_RETURN(trx); +} + /************************************************************************* Gets the InnoDB transaction handle for a MySQL handler object, creates an InnoDB transaction struct if the corresponding MySQL thread struct still @@ -1227,31 +1274,13 @@ check_trx_exists( ut_ad(EQ_CURRENT_THD(thd)); if (trx == NULL) { - DBUG_ASSERT(thd != NULL); - trx = trx_allocate_for_mysql(); - - trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); - - } else { - if (trx->magic_n != TRX_MAGIC_N) { - mem_analyze_corruption(trx); - - ut_error; - } + trx = innobase_trx_allocate(thd); + } else if (UNIV_UNLIKELY(trx->magic_n != TRX_MAGIC_N)) { + mem_analyze_corruption(trx); + ut_error; } - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; - } else { - trx->check_foreigns = TRUE; - } - - if (thd_test_options(thd, OPTION_RELAXED_UNIQUE_CHECKS)) { - trx->check_unique_secondary = FALSE; - } else { - trx->check_unique_secondary = TRUE; - } + innobase_trx_init(thd, trx); return(trx); } @@ -4621,7 +4650,8 @@ ha_innobase::unlock_row(void) switch (prebuilt->row_read_type) { case ROW_READ_WITH_LOCKS: if (!srv_locks_unsafe_for_binlog - || prebuilt->trx->isolation_level == TRX_ISO_READ_COMMITTED) { + && prebuilt->trx->isolation_level + != TRX_ISO_READ_COMMITTED) { break; } /* fall through */ @@ -5480,9 +5510,19 @@ create_table_def( charset_no = (ulint)field->charset()->number; - ut_a(charset_no < 256); /* in data0type.h we assume - that the number fits in one - byte */ + if (UNIV_UNLIKELY(charset_no >= 256)) { + /* in data0type.h we assume that the + number fits in one byte in prtype */ + push_warning_printf( + (THD*) trx->mysql_thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_CANT_CREATE_TABLE, + "In InnoDB, charset-collation codes" + " must be below 256." + " Unsupported code %lu.", + (ulong) charset_no); + DBUG_RETURN(ER_CANT_CREATE_TABLE); + } } ut_a(field->type() < 256); /* we assume in dtype_form_prtype() @@ -5927,18 +5967,7 @@ ha_innobase::create( trx_search_latch_release_if_reserved(parent_trx); - trx = trx_allocate_for_mysql(); - - trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); - - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; - } - - if (thd_test_options(thd, OPTION_RELAXED_UNIQUE_CHECKS)) { - trx->check_unique_secondary = FALSE; - } + trx = innobase_trx_allocate(thd); if (lower_case_table_names) { srv_lower_case_table_names = TRUE; @@ -6344,25 +6373,14 @@ ha_innobase::delete_table( trx_search_latch_release_if_reserved(parent_trx); + trx = innobase_trx_allocate(thd); + if (lower_case_table_names) { srv_lower_case_table_names = TRUE; } else { srv_lower_case_table_names = FALSE; } - trx = trx_allocate_for_mysql(); - - trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); - - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; - } - - if (thd_test_options(thd, OPTION_RELAXED_UNIQUE_CHECKS)) { - trx->check_unique_secondary = FALSE; - } - name_len = strlen(name); ut_a(name_len < 1000); @@ -6445,19 +6463,14 @@ innobase_drop_database( #ifdef __WIN__ innobase_casedn_str(namebuf); #endif +#if defined __WIN__ && !defined MYSQL_SERVER + /* In the Windows plugin, thd = current_thd is always NULL */ trx = trx_allocate_for_mysql(); - trx->mysql_thd = thd; - if (thd) { - trx->mysql_query_str = thd_query(thd); - - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; - } - } else { - /* In the Windows plugin, thd = current_thd is always NULL */ - trx->mysql_query_str = NULL; - } - + trx->mysql_thd = NULL; + trx->mysql_query_str = NULL; +#else + trx = innobase_trx_allocate(thd); +#endif error = row_drop_database_for_mysql(namebuf, trx); my_free(namebuf, MYF(0)); @@ -6567,13 +6580,7 @@ ha_innobase::rename_table( trx_search_latch_release_if_reserved(parent_trx); - trx = trx_allocate_for_mysql(); - trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); - - if (thd_test_options(thd, OPTION_NO_FOREIGN_KEY_CHECKS)) { - trx->check_foreigns = FALSE; - } + trx = innobase_trx_allocate(thd); error = innobase_rename_table(trx, from, to, TRUE); @@ -8164,6 +8171,7 @@ static INNOBASE_SHARE* get_share(const char* table_name) HASH_SEARCH(table_name_hash, innobase_open_tables, fold, INNOBASE_SHARE*, share, + ut_ad(share->use_count > 0), !my_strnncoll(system_charset_info, share->table_name, share->table_name_length, @@ -8205,6 +8213,7 @@ static void free_share(INNOBASE_SHARE* share) HASH_SEARCH(table_name_hash, innobase_open_tables, fold, INNOBASE_SHARE*, share2, + ut_ad(share->use_count > 0), !my_strnncoll(system_charset_info, share->table_name, share->table_name_length, @@ -9580,6 +9589,11 @@ static MYSQL_SYSVAR_STR(version, innodb_version_str, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY, "InnoDB version", NULL, NULL, INNODB_VERSION_STR); +static MYSQL_SYSVAR_BOOL(use_sys_malloc, srv_use_sys_malloc, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Use OS memory allocator instead of InnoDB's internal memory allocator", + NULL, NULL, FALSE); + static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, "Use native AIO if supported on this platform.", @@ -9631,6 +9645,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(thread_sleep_delay), MYSQL_SYSVAR(autoinc_lock_mode), MYSQL_SYSVAR(version), + MYSQL_SYSVAR(use_sys_malloc), MYSQL_SYSVAR(use_native_aio), NULL }; diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 9b18af7feaa..e403eff6ddb 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -269,3 +269,12 @@ convert_error_code_to_mysql( int error, /* in: InnoDB error code */ ulint flags, /* in: InnoDB table flags, or 0 */ MYSQL_THD thd); /* in: user thread handle or NULL */ + +/************************************************************************* +Allocates an InnoDB transaction for a MySQL handler object. */ +extern "C" +trx_t* +innobase_trx_allocate( +/*==================*/ + /* out: InnoDB transaction handle */ + MYSQL_THD thd); /* in: user thread handle */ diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 4ffacb8d5e8..9691e10ba2d 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -633,12 +633,9 @@ ha_innobase::add_index( /* Create a background transaction for the operations on the data dictionary tables. */ - trx = trx_allocate_for_mysql(); + trx = innobase_trx_allocate(user_thd); trx_start_if_not_started(trx); - trx->mysql_thd = user_thd; - trx->mysql_query_str = thd_query(user_thd); - innodb_table = indexed_table = dict_table_get(prebuilt->table->name, FALSE); @@ -1125,12 +1122,9 @@ ha_innobase::final_drop_index( /* Create a background transaction for the operations on the data dictionary tables. */ - trx = trx_allocate_for_mysql(); + trx = innobase_trx_allocate(user_thd); trx_start_if_not_started(trx); - trx->mysql_thd = user_thd; - trx->mysql_query_str = thd_query(user_thd); - /* Flag this transaction as a dictionary operation, so that the data dictionary will be locked in crash recovery. */ trx_set_dict_operation(trx, TRX_DICT_OP_INDEX); diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index 8b69f4a6e51..da1714c92d0 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -453,6 +453,7 @@ wdl_get_procaddr_from_map( map_fold, map_hash_chain_t*, hash_chain, + , (ut_strcmp(hash_chain->symbol, import_proc) == 0)); if (hash_chain == NULL) { @@ -472,6 +473,7 @@ wdl_get_procaddr_from_map( map_fold, map_hash_chain_t*, hash_chain, + , (ut_strcmp(hash_chain->symbol, import_proc) == 0)); if (hash_chain == NULL) { @@ -515,6 +517,7 @@ wdl_get_varaddr_from_map( map_fold, map_hash_chain_t*, hash_chain, + , (ut_strcmp(hash_chain->symbol, import_variable) == 0)); if (hash_chain == NULL) { @@ -534,6 +537,7 @@ wdl_get_varaddr_from_map( map_fold, map_hash_chain_t*, hash_chain, + , (ut_strcmp(hash_chain->symbol, import_variable) == 0)); if (hash_chain == NULL) { diff --git a/include/buf0buf.h b/include/buf0buf.h index 451c9d8e96d..e7bf6faed1d 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1010,8 +1010,10 @@ struct buf_page_struct{ since they can be stored in the same machine word. Some of them are additionally protected by buf_pool_mutex. */ - unsigned space:32; /* tablespace id */ - unsigned offset:32; /* page number */ + unsigned space:32; /* tablespace id; also protected + by buf_pool_mutex. */ + unsigned offset:32; /* page number; also protected + by buf_pool_mutex. */ unsigned state:3; /* state of the control block (@see enum buf_page_state); also @@ -1080,7 +1082,8 @@ struct buf_page_struct{ not yet been flushed on disk; zero if all modifications are on disk */ - /* 3. LRU replacement algorithm fields; protected by buf_pool_mutex */ + /* 3. LRU replacement algorithm fields; protected by + buf_pool_mutex only (not buf_pool_zip_mutex or block->mutex) */ UT_LIST_NODE_T(buf_page_t) LRU; /* node of the LRU list */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 6758599eff5..3f71b8feea2 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -20,6 +20,7 @@ buf_page_get_freed_page_clock( /* out: freed_page_clock */ const buf_page_t* bpage) /* in: block */ { + /* This is sometimes read without holding buf_pool_mutex. */ return(bpage->freed_page_clock); } @@ -89,6 +90,9 @@ buf_pool_get_oldest_modification(void) buf_pool_mutex_exit(); + /* The returned answer may be out of date: the flush_list can + change after the mutex has been released. */ + return(lsn); } @@ -261,6 +265,7 @@ buf_page_get_LRU_position( const buf_page_t* bpage) /* in: control block */ { ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); return(bpage->LRU_position); } @@ -429,6 +434,7 @@ buf_page_is_old( const buf_page_t* bpage) /* in: control block */ { ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); return(bpage->old); } @@ -805,8 +811,9 @@ buf_page_get_newest_modification( page frame */ { ib_uint64_t lsn; + mutex_t* block_mutex = buf_page_get_mutex(bpage); - buf_pool_mutex_enter(); + mutex_enter(block_mutex); if (buf_page_in_file(bpage)) { lsn = bpage->newest_modification; @@ -814,7 +821,7 @@ buf_page_get_newest_modification( lsn = 0; } - buf_pool_mutex_exit(); + mutex_exit(block_mutex); return(lsn); } @@ -921,6 +928,8 @@ buf_page_hash_get( fold = buf_page_address_fold(space, offset); HASH_SEARCH(hash, buf_pool->page_hash, fold, buf_page_t*, bpage, + ut_ad(bpage->in_page_hash && !bpage->in_zip_hash + && buf_page_in_file(bpage)), bpage->space == space && bpage->offset == offset); if (bpage) { ut_a(buf_page_in_file(bpage)); @@ -1040,6 +1049,10 @@ buf_page_release( #endif block->page.buf_fix_count--; + /* Dirty blocks should be in the flush list. */ + ut_ad(!block->page.oldest_modification + || block->page.in_flush_list); + mutex_exit(&block->mutex); if (rw_latch == RW_S_LATCH) { diff --git a/include/buf0flu.h b/include/buf0flu.h index da02f3c915b..e21ada3bb9f 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -14,13 +14,6 @@ Created 11/5/1995 Heikki Tuuri #include "ut0byte.h" #include "mtr0types.h" -/************************************************************************ -Inserts a modified block into the flush list. */ -UNIV_INTERN -void -buf_flush_insert_into_flush_list( -/*=============================*/ - buf_page_t* bpage); /* in: block which is modified */ /************************************************************************ Remove a block from the flush list of modified blocks. */ UNIV_INTERN diff --git a/include/buf0flu.ic b/include/buf0flu.ic index d02c07ec5aa..fa056a52ae9 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -9,6 +9,13 @@ Created 11/5/1995 Heikki Tuuri #include "buf0buf.h" #include "mtr0mtr.h" +/************************************************************************ +Inserts a modified block into the flush list. */ +UNIV_INTERN +void +buf_flush_insert_into_flush_list( +/*=============================*/ + buf_block_t* block); /* in/out: block which is modified */ /************************************************************************ Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not @@ -17,7 +24,7 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_page_t* bpage); /* in: block which is modified */ + buf_block_t* block); /* in/out: block which is modified */ /************************************************************************ This function should be called at a mini-transaction commit, if a page was @@ -49,7 +56,7 @@ buf_flush_note_modification( block->page.oldest_modification = mtr->start_lsn; ut_ad(block->page.oldest_modification != 0); - buf_flush_insert_into_flush_list(&block->page); + buf_flush_insert_into_flush_list(block); } else { ut_ad(block->page.oldest_modification <= mtr->start_lsn); } @@ -88,7 +95,7 @@ buf_flush_recv_note_modification( ut_ad(block->page.oldest_modification != 0); - buf_flush_insert_sorted_into_flush_list(&block->page); + buf_flush_insert_sorted_into_flush_list(block); } else { ut_ad(block->page.oldest_modification <= start_lsn); } diff --git a/include/dict0dict.ic b/include/dict0dict.ic index e94a96da872..1bed2a538ee 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -720,7 +720,8 @@ dict_table_check_if_in_cache_low( table_fold = ut_fold_string(table_name); HASH_SEARCH(name_hash, dict_sys->table_hash, table_fold, - dict_table_t*, table, !strcmp(table->name, table_name)); + dict_table_t*, table, ut_ad(table->cached), + !strcmp(table->name, table_name)); return(table); } @@ -745,6 +746,8 @@ dict_table_get_low( table = dict_load_table(table_name); } + ut_ad(!table || table->cached); + return(table); } @@ -766,11 +769,14 @@ dict_table_get_on_id_low( fold = ut_fold_dulint(table_id); HASH_SEARCH(id_hash, dict_sys->table_id_hash, fold, - dict_table_t*, table, !ut_dulint_cmp(table->id, table_id)); + dict_table_t*, table, ut_ad(table->cached), + !ut_dulint_cmp(table->id, table_id)); if (table == NULL) { table = dict_load_table_on_id(table_id); } + ut_ad(!table || table->cached); + /* TODO: should get the type information from MySQL */ return(table); diff --git a/include/hash0hash.h b/include/hash0hash.h index cb88d53a56a..9a40a6a1cee 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -66,12 +66,8 @@ hash_calc_hash( hash_table_t* table); /* in: hash table */ /************************************************************************ Assert that the mutex for the table in a hash operation is owned. */ -#ifdef UNIV_SYNC_DEBUG -# define HASH_ASSERT_OWNED(TABLE, FOLD) \ +#define HASH_ASSERT_OWNED(TABLE, FOLD) \ ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); -#else -# define HASH_ASSERT_OWNED(TABLE, FOLD) -#endif /*********************************************************************** Inserts a struct to a hash table. */ @@ -151,7 +147,7 @@ Gets the next struct in a hash chain, NULL if none. */ /************************************************************************ Looks for a struct in a hash table. */ -#define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, TEST)\ +#define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, ASSERTION, TEST)\ {\ \ HASH_ASSERT_OWNED(TABLE, FOLD)\ @@ -160,6 +156,7 @@ Looks for a struct in a hash table. */ HASH_ASSERT_VALID(DATA);\ \ while ((DATA) != NULL) {\ + ASSERTION;\ if (TEST) {\ break;\ } else {\ @@ -169,6 +166,32 @@ Looks for a struct in a hash table. */ }\ } +/************************************************************************ +Looks for an item in all hash buckets. */ +#define HASH_SEARCH_ALL(NAME, TABLE, TYPE, DATA, ASSERTION, TEST) \ +do { \ + ulint i3333; \ + \ + for (i3333 = (TABLE)->n_cells; i3333--; ) { \ + (DATA) = (TYPE) HASH_GET_FIRST(TABLE, i3333); \ + \ + while ((DATA) != NULL) { \ + HASH_ASSERT_VALID(DATA); \ + ASSERTION; \ + \ + if (TEST) { \ + break; \ + } \ + \ + (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA); \ + } \ + \ + if ((DATA) != NULL) { \ + break; \ + } \ + } \ +} while (0) + /**************************************************************** Gets the nth cell in a hash table. */ UNIV_INLINE diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 645d56c55c5..321164495b9 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -344,10 +344,14 @@ struct mtr_struct{ this mtr */ ib_uint64_t end_lsn;/* end lsn of the possible log entry for this mtr */ +#ifdef UNIV_DEBUG ulint magic_n; +#endif /* UNIV_DEBUG */ }; -#define MTR_MAGIC_N 54551 +#ifdef UNIV_DEBUG +# define MTR_MAGIC_N 54551 +#endif /* UNIV_DEBUG */ #define MTR_ACTIVE 12231 #define MTR_COMMITTING 56456 diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index 7bccf65537f..f6460ededc1 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -28,10 +28,9 @@ mtr_start( mtr->modifications = FALSE; mtr->n_log_recs = 0; -#ifdef UNIV_DEBUG - mtr->state = MTR_ACTIVE; - mtr->magic_n = MTR_MAGIC_N; -#endif + ut_d(mtr->state = MTR_ACTIVE); + ut_d(mtr->magic_n = MTR_MAGIC_N); + return(mtr); } diff --git a/include/srv0srv.h b/include/srv0srv.h index ff9caefd989..ef18cdffd16 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -98,6 +98,7 @@ extern ulong srv_flush_log_at_trx_commit; /* The sort order table of the MySQL latin1_swedish_ci character set collation */ extern const byte* srv_latin1_ordering; +extern my_bool srv_use_sys_malloc; extern ulint srv_buf_pool_size; /* requested size in bytes */ extern ulint srv_buf_pool_old_size; /* previously requested size */ extern ulint srv_buf_pool_curr_size; /* current size in bytes */ diff --git a/include/trx0roll.h b/include/trx0roll.h index f86b600cce8..dc89931ee20 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -15,6 +15,8 @@ Created 3/26/1996 Heikki Tuuri #include "mtr0mtr.h" #include "trx0sys.h" +#define trx_roll_free_all_savepoints(s) trx_roll_savepoints_free((s), NULL) + /*********************************************************************** Determines if this transaction is rolling back an incomplete transaction in crash recovery. */ @@ -249,8 +251,18 @@ trx_release_savepoint_for_mysql( const char* savepoint_name); /* in: savepoint name */ /*********************************************************************** -Frees savepoint structs. */ +Frees a single savepoint struct. */ UNIV_INTERN +void +trx_roll_savepoint_free( +/*=====================*/ + trx_t* trx, /* in: transaction handle */ + trx_named_savept_t* savep); /* in: savepoint to free */ + +/*********************************************************************** +Frees savepoint structs starting from savep, if savep == NULL then +free all savepoints. */ + void trx_roll_savepoints_free( /*=====================*/ diff --git a/mem/mem0pool.c b/mem/mem0pool.c index d3bf4d04853..4f26ec560bf 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -11,6 +11,7 @@ Created 5/12/1997 Heikki Tuuri #include "mem0pool.ic" #endif +#include "srv0srv.h" #include "sync0sync.h" #include "ut0mem.h" #include "ut0lst.h" @@ -336,6 +337,12 @@ mem_area_alloc( ulint n; ibool ret; + /* If we are using os allocator just make a simple call + to malloc */ + if (srv_use_sys_malloc) { + return(malloc(*psize)); + } + size = *psize; n = ut_2_log(ut_max(size + MEM_AREA_EXTRA_SIZE, MEM_AREA_MIN_SIZE)); @@ -470,6 +477,10 @@ mem_area_free( ulint size; ulint n; + if (srv_use_sys_malloc) { + return(free(ptr)); + } + /* It may be that the area was really allocated from the OS with regular malloc: check if ptr points within our memory pool */ diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 9cc82d1f73b..92b917fd829 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -158,9 +158,8 @@ mtr_commit( ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); ut_ad(mtr->state == MTR_ACTIVE); -#ifdef UNIV_DEBUG - mtr->state = MTR_COMMITTING; -#endif + ut_d(mtr->state = MTR_COMMITTING); + write_log = mtr->modifications && mtr->n_log_recs; if (write_log) { @@ -181,9 +180,7 @@ mtr_commit( log_release(); } -#ifdef UNIV_DEBUG - mtr->state = MTR_COMMITTED; -#endif + ut_d(mtr->state = MTR_COMMITTED); dyn_array_free(&(mtr->memo)); dyn_array_free(&(mtr->log)); } diff --git a/mysql-test/innodb-semi-consistent-master.opt b/mysql-test/innodb-semi-consistent-master.opt index 2746e4e184e..e76299453d3 100644 --- a/mysql-test/innodb-semi-consistent-master.opt +++ b/mysql-test/innodb-semi-consistent-master.opt @@ -1 +1 @@ ---innodb_locks_unsafe_for_binlog=true --innodb_lock_wait_timeout=2 +--innodb_lock_wait_timeout=2 diff --git a/mysql-test/innodb-semi-consistent.result b/mysql-test/innodb-semi-consistent.result index 6173048c320..55e3cb5c7b4 100644 --- a/mysql-test/innodb-semi-consistent.result +++ b/mysql-test/innodb-semi-consistent.result @@ -1,6 +1,6 @@ drop table if exists t1; set binlog_format=mixed; -set session transaction isolation level read committed; +set session transaction isolation level repeatable read; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; insert into t1 values (1),(2),(3),(4),(5),(6),(7); set autocommit=0; @@ -8,11 +8,12 @@ select * from t1 where a=3 lock in share mode; a 3 set binlog_format=mixed; -set session transaction isolation level read committed; +set session transaction isolation level repeatable read; set autocommit=0; update t1 set a=10 where a=5; ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; +set session transaction isolation level read committed; update t1 set a=10 where a=5; select * from t1 where a=2 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction diff --git a/mysql-test/innodb-semi-consistent.test b/mysql-test/innodb-semi-consistent.test index a3496625e95..6d3020bb560 100644 --- a/mysql-test/innodb-semi-consistent.test +++ b/mysql-test/innodb-semi-consistent.test @@ -11,7 +11,7 @@ connect (a,localhost,root,,); connect (b,localhost,root,,); connection a; set binlog_format=mixed; -set session transaction isolation level read committed; +set session transaction isolation level repeatable read; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; insert into t1 values (1),(2),(3),(4),(5),(6),(7); set autocommit=0; @@ -19,13 +19,15 @@ set autocommit=0; select * from t1 where a=3 lock in share mode; connection b; set binlog_format=mixed; -set session transaction isolation level read committed; +set session transaction isolation level repeatable read; set autocommit=0; -- error ER_LOCK_WAIT_TIMEOUT update t1 set a=10 where a=5; connection a; commit; connection b; +# perform a semi-consisent read (and unlock non-matching rows) +set session transaction isolation level read committed; update t1 set a=10 where a=5; connection a; -- error ER_LOCK_WAIT_TIMEOUT @@ -33,6 +35,7 @@ select * from t1 where a=2 for update; # this should lock the records (1),(2) select * from t1 where a=2 limit 1 for update; connection b; +# semi-consistent read will skip non-matching locked rows a=1, a=2 update t1 set a=11 where a=6; -- error ER_LOCK_WAIT_TIMEOUT update t1 set a=12 where a=2; diff --git a/mysql-test/innodb-use-sys-malloc-master.opt b/mysql-test/innodb-use-sys-malloc-master.opt new file mode 100644 index 00000000000..889834add01 --- /dev/null +++ b/mysql-test/innodb-use-sys-malloc-master.opt @@ -0,0 +1,2 @@ +--innodb-use-sys-malloc=true +--innodb-use-sys-malloc=true diff --git a/mysql-test/innodb-use-sys-malloc.result b/mysql-test/innodb-use-sys-malloc.result new file mode 100644 index 00000000000..2ec4c7c8130 --- /dev/null +++ b/mysql-test/innodb-use-sys-malloc.result @@ -0,0 +1,48 @@ +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +SET @@GLOBAL.innodb_use_sys_malloc=0; +ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable +Expected error 'Read only variable' +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +drop table if exists t1; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +SET @@GLOBAL.innodb_use_sys_malloc=0; +ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable +Expected error 'Read only variable' +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +drop table if exists t1; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; diff --git a/mysql-test/innodb-use-sys-malloc.test b/mysql-test/innodb-use-sys-malloc.test new file mode 100644 index 00000000000..325dd19d086 --- /dev/null +++ b/mysql-test/innodb-use-sys-malloc.test @@ -0,0 +1,48 @@ +--source include/have_innodb.inc + +#display current value of innodb_use_sys_malloc +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + +#try changing it. Should fail. +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_use_sys_malloc=0; +--echo Expected error 'Read only variable' + +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + + +#do some stuff to see if it works. +--disable_warnings +drop table if exists t1; +--enable_warnings + +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +drop table t1; +--source include/have_innodb.inc + +#display current value of innodb_use_sys_malloc +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + +#try changing it. Should fail. +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_use_sys_malloc=0; +--echo Expected error 'Read only variable' + +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + + +#do some stuff to see if it works. +--disable_warnings +drop table if exists t1; +--enable_warnings + +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +drop table t1; diff --git a/mysql-test/innodb_bug41904.result b/mysql-test/innodb_bug41904.result new file mode 100644 index 00000000000..6070d32d181 --- /dev/null +++ b/mysql-test/innodb_bug41904.result @@ -0,0 +1,4 @@ +CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; +INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); +CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); +DROP TABLE bug41904; diff --git a/mysql-test/innodb_bug41904.test b/mysql-test/innodb_bug41904.test new file mode 100644 index 00000000000..365c5229adc --- /dev/null +++ b/mysql-test/innodb_bug41904.test @@ -0,0 +1,14 @@ +# +# Make sure http://bugs.mysql.com/41904 remains fixed. +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; + +INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); + +CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); + +DROP TABLE bug41904; diff --git a/mysql-test/patches/bug41893.diff b/mysql-test/patches/bug41893.diff new file mode 100644 index 00000000000..f42f4ae71cb --- /dev/null +++ b/mysql-test/patches/bug41893.diff @@ -0,0 +1,87 @@ +=== modified file 'mysql-test/r/variables.result' +--- mysql-test/r/variables.result 2008-11-27 10:50:28 +0000 ++++ mysql-test/r/variables.result 2009-01-06 07:33:27 +0000 +@@ -297,14 +297,14 @@ + select ROUND(RAND(),5); + ROUND(RAND(),5) + 0.02887 +-show variables like '%alloc%'; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); + Variable_name Value + query_alloc_block_size 8192 + query_prealloc_size 8192 + range_alloc_block_size 4096 + transaction_alloc_block_size 8192 + transaction_prealloc_size 4096 +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + VARIABLE_NAME VARIABLE_VALUE + QUERY_ALLOC_BLOCK_SIZE 8192 + QUERY_PREALLOC_SIZE 8192 +@@ -319,14 +319,14 @@ + select @@query_alloc_block_size; + @@query_alloc_block_size + 17408 +-show variables like '%alloc%'; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); + Variable_name Value + query_alloc_block_size 17408 + query_prealloc_size 18432 + range_alloc_block_size 16384 + transaction_alloc_block_size 19456 + transaction_prealloc_size 20480 +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + VARIABLE_NAME VARIABLE_VALUE + QUERY_ALLOC_BLOCK_SIZE 17408 + QUERY_PREALLOC_SIZE 18432 +@@ -336,14 +336,14 @@ + set @@range_alloc_block_size=default; + set @@query_alloc_block_size=default, @@query_prealloc_size=default; + set transaction_alloc_block_size=default, @@transaction_prealloc_size=default; +-show variables like '%alloc%'; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); + Variable_name Value + query_alloc_block_size 8192 + query_prealloc_size 8192 + range_alloc_block_size 4096 + transaction_alloc_block_size 8192 + transaction_prealloc_size 4096 +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + VARIABLE_NAME VARIABLE_VALUE + QUERY_ALLOC_BLOCK_SIZE 8192 + QUERY_PREALLOC_SIZE 8192 + +=== modified file 'mysql-test/t/variables.test' +--- mysql-test/t/variables.test 2008-11-27 10:50:28 +0000 ++++ mysql-test/t/variables.test 2009-01-06 07:28:12 +0000 +@@ -172,21 +172,21 @@ + set @@rand_seed1=10000000,@@rand_seed2=1000000; + select ROUND(RAND(),5); + +-show variables like '%alloc%'; +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + set @@range_alloc_block_size=1024*16; + set @@query_alloc_block_size=1024*17+2; + set @@query_prealloc_size=1024*18; + set @@transaction_alloc_block_size=1024*20-1; + set @@transaction_prealloc_size=1024*21-1; + select @@query_alloc_block_size; +-show variables like '%alloc%'; +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + set @@range_alloc_block_size=default; + set @@query_alloc_block_size=default, @@query_prealloc_size=default; + set transaction_alloc_block_size=default, @@transaction_prealloc_size=default; +-show variables like '%alloc%'; +-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; ++show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); ++select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; + + # + # Bug #10904 Illegal mix of collations between + diff --git a/row/row0merge.c b/row/row0merge.c index 6d9dfa9feb4..91b03043697 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -447,14 +447,29 @@ row_merge_tuple_cmp( int cmp; const dfield_t* field = a; + /* Compare the fields of the tuples until a difference is + found or we run out of fields to compare. If !cmp at the + end, the tuples are equal. */ do { cmp = cmp_dfield_dfield(a++, b++); } while (!cmp && --n_field); if (UNIV_UNLIKELY(!cmp) && UNIV_LIKELY_NULL(dup)) { + /* Report a duplicate value error if the tuples are + logically equal. NULL columns are logically inequal, + although they are equal in the sorting order. Find + out if any of the fields are NULL. */ + for (b = field; b != a; b++) { + if (dfield_is_null(b)) { + + goto func_exit; + } + } + row_merge_dup_report(dup, field); } +func_exit: return(cmp); } @@ -1839,7 +1854,7 @@ row_merge_drop_temp_indexes(void) "PROCEDURE DROP_TEMP_INDEXES_PROC () IS\n" "indexid CHAR;\n" "DECLARE CURSOR c IS SELECT ID FROM SYS_INDEXES\n" - "WHERE SUBSTR(NAME,0,1)='\377' FOR UPDATE;\n" + "WHERE SUBSTR(NAME,0,1)='\377';\n" "BEGIN\n" "\tOPEN c;\n" "\tWHILE 1=1 LOOP\n" @@ -1848,7 +1863,7 @@ row_merge_drop_temp_indexes(void) "\t\t\tEXIT;\n" "\t\tEND IF;\n" "\t\tDELETE FROM SYS_FIELDS WHERE INDEX_ID = indexid;\n" - "\t\tDELETE FROM SYS_INDEXES WHERE CURRENT OF c;\n" + "\t\tDELETE FROM SYS_INDEXES WHERE ID = indexid;\n" "\tEND LOOP;\n" "\tCLOSE c;\n" "\tCOMMIT WORK;\n" @@ -1858,6 +1873,15 @@ row_merge_drop_temp_indexes(void) trx->op_info = "dropping partially created indexes"; row_mysql_lock_data_dictionary(trx); + /* Incomplete transactions may be holding some locks on the + data dictionary tables. However, they should never have been + able to lock the records corresponding to the partially + created indexes that we are attempting to delete, because the + table was locked when the indexes were being created. We will + drop the partially created indexes before the rollback of + incomplete transactions is initiated. Thus, this should not + interfere with the incomplete transactions. */ + trx->isolation_level = TRX_ISO_READ_UNCOMMITTED; err = que_eval_sql(NULL, drop_temp_indexes, FALSE, trx); ut_a(err == DB_SUCCESS); @@ -1974,7 +1998,6 @@ row_merge_create_temporary_table( if (error != DB_SUCCESS) { trx->error_state = error; - dict_mem_table_free(new_table); new_table = NULL; } diff --git a/row/row0mysql.c b/row/row0mysql.c index 24ef5526a99..6c7319e5b2d 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1443,12 +1443,13 @@ row_unlock_for_mysql( ut_ad(prebuilt && trx); ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - if (!(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED)) { + if (UNIV_UNLIKELY + (!srv_locks_unsafe_for_binlog + && trx->isolation_level != TRX_ISO_READ_COMMITTED)) { fprintf(stderr, "InnoDB: Error: calling row_unlock_for_mysql though\n" - "InnoDB: srv_locks_unsafe_for_binlog is FALSE and\n" + "InnoDB: innodb_locks_unsafe_for_binlog is FALSE and\n" "InnoDB: this session is not using" " READ COMMITTED isolation level.\n"); diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 2dea4dad943..4e6d633ebf8 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -142,6 +142,8 @@ UNIV_INTERN ulong srv_flush_log_at_trx_commit = 1; collation */ UNIV_INTERN const byte* srv_latin1_ordering; +/* use os/external memory allocator */ +UNIV_INTERN my_bool srv_use_sys_malloc = FALSE; /* requested size in kilobytes */ UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; /* previously requested size */ @@ -1463,10 +1465,13 @@ srv_suspend_mysql_thread( ut_a(trx->dict_operation_lock_mode == 0); - /* Wait for the release */ + /* Suspend this thread and wait for the event. */ os_event_wait(event); + /* After resuming, reacquire the data dictionary latch if + necessary. */ + switch (had_dict_lock) { case RW_S_LATCH: row_mysql_freeze_data_dictionary(trx); diff --git a/srv/srv0start.c b/srv/srv0start.c index 696c4a51c8f..28c40989ddf 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1048,6 +1048,11 @@ innobase_start_or_create_for_mysql(void) "InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n"); #endif + if (srv_use_sys_malloc) { + fprintf(stderr, + "InnoDB: The InnoDB memory heap is disabled\n"); + } + /* Since InnoDB does not currently clean up all its internal data structures in MySQL Embedded Server Library server_end(), we print an error message if someone tries to start up InnoDB a diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 5de171696ef..5957b14562d 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -71,7 +71,7 @@ try_again: local = NULL; HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), - thr_local_t*, local, os_thread_eq(local->id, id)); + thr_local_t*, local,, os_thread_eq(local->id, id)); if (local == NULL) { mutex_exit(&thr_local_mutex); @@ -195,7 +195,7 @@ thr_local_free( /* Look for the local struct in the hash table */ HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), - thr_local_t*, local, os_thread_eq(local->id, id)); + thr_local_t*, local,, os_thread_eq(local->id, id)); if (local == NULL) { mutex_exit(&thr_local_mutex); diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 9290891d892..1dfe0071137 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -821,6 +821,8 @@ search_innodb_locks( i_s_hash_chain_t*, /* auxiliary variable */ hash_chain, + /* assertion on every traversed item */ + , /* this determines if we have found the lock */ locks_row_eq_lock(hash_chain->value, lock, heap_no)); diff --git a/trx/trx0roll.c b/trx/trx0roll.c index b1079eff01d..6a478aa850b 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -171,8 +171,26 @@ trx_rollback_last_sql_stat_for_mysql( } /*********************************************************************** -Frees savepoint structs. */ +Frees a single savepoint struct. */ UNIV_INTERN +void +trx_roll_savepoint_free( +/*=====================*/ + trx_t* trx, /* in: transaction handle */ + trx_named_savept_t* savep) /* in: savepoint to free */ +{ + ut_a(savep != NULL); + ut_a(UT_LIST_GET_LEN(trx->trx_savepoints) > 0); + + UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); + mem_free(savep->name); + mem_free(savep); +} + +/*********************************************************************** +Frees savepoint structs starting from savep, if savep == NULL then +free all savepoints. */ + void trx_roll_savepoints_free( /*=====================*/ @@ -192,9 +210,7 @@ trx_roll_savepoints_free( while (savep != NULL) { next_savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); - mem_free(savep->name); - mem_free(savep); + trx_roll_savepoint_free(trx, savep); savep = next_savep; } @@ -329,8 +345,8 @@ trx_savepoint_for_mysql( } /*********************************************************************** -Releases a named savepoint. Savepoints which -were set after this savepoint are deleted. */ +Releases only the named savepoint. Savepoints which were set after this +savepoint are left as is. */ UNIV_INTERN ulint trx_release_savepoint_for_mysql( @@ -346,31 +362,16 @@ trx_release_savepoint_for_mysql( savep = UT_LIST_GET_FIRST(trx->trx_savepoints); + /* Search for the savepoint by name and free if found. */ while (savep != NULL) { if (0 == ut_strcmp(savep->name, savepoint_name)) { - /* Found */ - break; + trx_roll_savepoint_free(trx, savep); + return(DB_SUCCESS); } savep = UT_LIST_GET_NEXT(trx_savepoints, savep); } - if (savep == NULL) { - - return(DB_NO_SAVEPOINT); - } - - /* We can now free all savepoints strictly later than this one */ - - trx_roll_savepoints_free(trx, savep); - - /* Now we can free this savepoint too */ - - UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); - - mem_free(savep->name); - mem_free(savep); - - return(DB_SUCCESS); + return(DB_NO_SAVEPOINT); } /*********************************************************************** diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 20bfff32b2e..d7e40c07201 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -917,8 +917,8 @@ trx_commit_off_kernel( mutex_enter(&kernel_mutex); } - /* Free savepoints */ - trx_roll_savepoints_free(trx, NULL); + /* Free all savepoints */ + trx_roll_free_all_savepoints(trx); trx->conc_state = TRX_NOT_STARTED; trx->rseg = NULL; From 61d583f119e2f3183d0e32aeadfdeb18f86207ab Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 20 Jan 2009 14:34:02 +0000 Subject: [PATCH 121/400] branches/innodb+: Merge revisions 3931:4006 from branches/zip: ------------------------------------------------------------------------ r3938 | marko | 2009-01-15 10:28:23 +0200 (Thu, 15 Jan 2009) | 3 lines branches/zip: buf_LRU_invalidate_tablespace(), buf_LRU_free_block(): Add comments and assertions that buf_LRU_block_remove_hashed_page() will release block_mutex when it returns BUF_BLOCK_ZIP_FREE. ------------------------------------------------------------------------ r3939 | marko | 2009-01-15 10:37:51 +0200 (Thu, 15 Jan 2009) | 7 lines branches/zip: buf0lru.c: Improve debug assertions. buf_LRU_block_free_non_file_page(): ut_ad(block) before dereferencing block. buf_LRU_block_remove_hashed_page(): Forbid buf_pool_mutex_exit() while calling buf_buddy_free(). Callers of buf_LRU_block_remove_hashed_page() assume that the buffer pool mutex will not be released and reacquired. ------------------------------------------------------------------------ r3944 | vasil | 2009-01-15 21:15:00 +0200 (Thu, 15 Jan 2009) | 4 lines branches/zip: Add ChangeLog entries for the bug fixes in r3911 and r3930. ------------------------------------------------------------------------ r3958 | marko | 2009-01-16 14:53:40 +0200 (Fri, 16 Jan 2009) | 8 lines branches/zip: Add assertions that the kernel_mutex is being held while accessing table->locks or un_member.tab_lock.locks. This is related to Issue #158. According to static analysis, the added debug assertions should always hold. lock_table_has_to_wait_in_queue(), lock_queue_iterator_reset(), lock_queue_iterator_get_prev(), add_trx_relevant_locks_to_cache(), fetch_data_into_cache(): Add ut_ad(mutex_own(&kernel_mutex)). ------------------------------------------------------------------------ r4006 | marko | 2009-01-20 16:29:22 +0200 (Tue, 20 Jan 2009) | 33 lines branches/zip: Merge revisions 3930:4005 from branches/5.1: ------------------------------------------------------------------------ r4004 | marko | 2009-01-20 16:19:00 +0200 (Tue, 20 Jan 2009) | 12 lines branches/5.1: Merge r4003 from branches/5.0: rec_set_nth_field(): When the field already is SQL null, do nothing when it is being changed to SQL null. (Bug #41571) Normally, MySQL does not pass "do-nothing" updates to the storage engine. When it does and a column of an InnoDB table that is in ROW_FORMAT=COMPACT is being updated from NULL to NULL, the InnoDB buffer pool will be corrupted without this fix. rb://81 approved by Heikki Tuuri ------------------------------------------------------------------------ r4005 | marko | 2009-01-20 16:22:36 +0200 (Tue, 20 Jan 2009) | 8 lines branches/5.1: lock_is_table_exclusive(): Acquire kernel_mutex before accessing table->locks and release kernel_mutex before returning from the function. This fixes a portential race condition in the "commit every 10,000 rows" in ALTER TABLE, CREATE INDEX, DROP INDEX, and OPTIMIZE TABLE. (Bug #42152) rb://80 approved by Heikki Tuuri ------------------------------------------------------------------------ --- ChangeLog | 11 +++++++++++ buf/buf0lru.c | 14 +++++++++++++- include/rem0rec.h | 11 ++++------- include/rem0rec.ic | 19 +++++++++---------- lock/lock0iter.c | 7 +++++++ lock/lock0lock.c | 15 ++++++++++++--- trx/trx0i_s.c | 4 ++++ 7 files changed, 60 insertions(+), 21 deletions(-) diff --git a/ChangeLog b/ChangeLog index dd906230d19..0d13a72b561 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2009-01-14 The InnoDB Team + + * include/trx0roll.h, trx/trx0roll.c, trx/trx0trx.c: + Fix Bug#38187 Error 153 when creating savepoints + +2009-01-14 The InnoDB Team + + * dict/dict0load.c: + Fix Bug#42075 dict_load_indexes failure in dict_load_table will + corrupt the dictionary cache + 2009-01-13 The InnoDB Team * include/hash0hash.h, include/dict0dict.ic, dict/dict0dict.c, diff --git a/buf/buf0lru.c b/buf/buf0lru.c index b90433a7087..623b734559c 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -377,6 +377,12 @@ scan_again: buf_LRU_block_free_hashed_page((buf_block_t*) bpage); } else { + /* The block_mutex should have been + released by buf_LRU_block_remove_hashed_page() + when it returns BUF_BLOCK_ZIP_FREE. */ + ut_ad(block_mutex == &buf_pool_zip_mutex); + ut_ad(!mutex_own(block_mutex)); + /* The compressed block descriptor (bpage) has been deallocated and block_mutex released. Also, @@ -1523,6 +1529,10 @@ alloc: buf_LRU_block_free_hashed_page((buf_block_t*) bpage); } else { + /* The block_mutex should have been released by + buf_LRU_block_remove_hashed_page() when it returns + BUF_BLOCK_ZIP_FREE. */ + ut_ad(block_mutex == &buf_pool_zip_mutex); mutex_enter(block_mutex); } @@ -1539,9 +1549,9 @@ buf_LRU_block_free_non_file_page( { void* data; + ut_ad(block); ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(&block->mutex)); - ut_ad(block); switch (buf_block_get_state(block)) { case BUF_BLOCK_MEMORY: @@ -1761,7 +1771,9 @@ buf_LRU_block_remove_hashed_page( bpage->zip.data = NULL; mutex_exit(&((buf_block_t*) bpage)->mutex); + buf_pool_mutex_exit_forbid(); buf_buddy_free(data, page_zip_get_size(&bpage->zip)); + buf_pool_mutex_exit_allow(); mutex_enter(&((buf_block_t*) bpage)->mutex); page_zip_set_size(&bpage->zip, 0); } diff --git a/include/rem0rec.h b/include/rem0rec.h index f51967917fc..0748cad6bfa 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -506,8 +506,9 @@ rec_offs_n_extern( /*************************************************************** This is used to modify the value of an already existing field in a record. The previous value must have exactly the same size as the new value. If len -is UNIV_SQL_NULL then the field is treated as an SQL null for old-style -records. For new-style records, len must not be UNIV_SQL_NULL. */ +is UNIV_SQL_NULL then the field is treated as an SQL null. +For records in ROW_FORMAT=COMPACT (new-style records), len must not be +UNIV_SQL_NULL unless the field already is SQL null. */ UNIV_INLINE void rec_set_nth_field( @@ -516,11 +517,7 @@ rec_set_nth_field( const ulint* offsets,/* in: array returned by rec_get_offsets() */ ulint n, /* in: index number of the field */ const void* data, /* in: pointer to the data if not SQL null */ - ulint len); /* in: length of the data or UNIV_SQL_NULL. - If not SQL null, must have the same - length as the previous value. - If SQL null, previous value must be - SQL null. */ + ulint len); /* in: length of the data or UNIV_SQL_NULL */ /************************************************************** The following function returns the data size of an old-style physical record, that is the sum of field lengths. SQL null fields diff --git a/include/rem0rec.ic b/include/rem0rec.ic index 79fa8e17f6a..6de04833e71 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -1326,8 +1326,9 @@ rec_get_nth_field_size( /*************************************************************** This is used to modify the value of an already existing field in a record. The previous value must have exactly the same size as the new value. If len -is UNIV_SQL_NULL then the field is treated as an SQL null for old-style -records. For new-style records, len must not be UNIV_SQL_NULL. */ +is UNIV_SQL_NULL then the field is treated as an SQL null. +For records in ROW_FORMAT=COMPACT (new-style records), len must not be +UNIV_SQL_NULL unless the field already is SQL null. */ UNIV_INLINE void rec_set_nth_field( @@ -1337,11 +1338,7 @@ rec_set_nth_field( ulint n, /* in: index number of the field */ const void* data, /* in: pointer to the data if not SQL null */ - ulint len) /* in: length of the data or UNIV_SQL_NULL. - If not SQL null, must have the same - length as the previous value. - If SQL null, previous value must be - SQL null. */ + ulint len) /* in: length of the data or UNIV_SQL_NULL */ { byte* data2; ulint len2; @@ -1349,9 +1346,11 @@ rec_set_nth_field( ut_ad(rec); ut_ad(rec_offs_validate(rec, NULL, offsets)); - if (len == UNIV_SQL_NULL) { - ut_ad(!rec_offs_comp(offsets)); - rec_set_nth_field_sql_null(rec, n); + if (UNIV_UNLIKELY(len == UNIV_SQL_NULL)) { + if (!rec_offs_nth_sql_null(offsets, n)) { + ut_a(!rec_offs_comp(offsets)); + rec_set_nth_field_sql_null(rec, n); + } return; } diff --git a/lock/lock0iter.c b/lock/lock0iter.c index 923010822da..e5a73bce975 100644 --- a/lock/lock0iter.c +++ b/lock/lock0iter.c @@ -15,6 +15,9 @@ Created July 16, 2007 Vasil Dimov #include "lock0priv.h" #include "ut0dbg.h" #include "ut0lst.h" +#ifdef UNIV_DEBUG +# include "srv0srv.h" /* kernel_mutex */ +#endif /* UNIV_DEBUG */ /*********************************************************************** Initialize lock queue iterator so that it starts to iterate from @@ -34,6 +37,8 @@ lock_queue_iterator_reset( ulint bit_no) /* in: record number in the heap */ { + ut_ad(mutex_own(&kernel_mutex)); + iter->current_lock = lock; if (bit_no != ULINT_UNDEFINED) { @@ -68,6 +73,8 @@ lock_queue_iterator_get_prev( { const lock_t* prev_lock; + ut_ad(mutex_own(&kernel_mutex)); + switch (lock_get_type_low(iter->current_lock)) { case LOCK_REC: prev_lock = lock_rec_get_prev( diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 26700635f93..b066c2b08c1 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -699,7 +699,10 @@ lock_is_table_exclusive( const lock_t* lock; ibool ok = FALSE; - ut_ad(table && trx); + ut_ad(table); + ut_ad(trx); + + lock_mutex_enter_kernel(); for (lock = UT_LIST_GET_FIRST(table->locks); lock; @@ -707,7 +710,7 @@ lock_is_table_exclusive( if (lock->trx != trx) { /* A lock on the table is held by some other transaction. */ - return(FALSE); + goto not_ok; } if (!(lock_get_type_low(lock) & LOCK_TABLE)) { @@ -724,11 +727,16 @@ lock_is_table_exclusive( auto_increment lock. */ break; default: +not_ok: /* Other table locks than LOCK_IX are not allowed. */ - return(FALSE); + ok = FALSE; + goto func_exit; } } +func_exit: + lock_mutex_exit_kernel(); + return(ok); } @@ -3834,6 +3842,7 @@ lock_table_has_to_wait_in_queue( dict_table_t* table; lock_t* lock; + ut_ad(mutex_own(&kernel_mutex)); ut_ad(lock_get_wait(wait_lock)); table = wait_lock->un_member.tab_lock.table; diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 1dfe0071137..81e259c92f6 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -954,6 +954,8 @@ add_trx_relevant_locks_to_cache( requested lock row, or NULL or undefined */ { + ut_ad(mutex_own(&kernel_mutex)); + /* If transaction is waiting we add the wait lock and all locks from another transactions that are blocking the wait lock. */ if (trx->que_state == TRX_QUE_LOCK_WAIT) { @@ -1095,6 +1097,8 @@ fetch_data_into_cache( i_s_trx_row_t* trx_row; i_s_locks_row_t* requested_lock_row; + ut_ad(mutex_own(&kernel_mutex)); + trx_i_s_cache_clear(cache); /* We iterate over the list of all transactions and add each one From 78301bbe11e37d718bbd1a46986ee04c7eab78f1 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 28 Jan 2009 14:17:34 +0000 Subject: [PATCH 122/400] branches/innodb+: branches/innodb+: Implement the global variable innodb_change_buffering, with the following values: none - buffer nothing inserts - buffer inserts (like InnoDB so far) deletes - buffer delete-marks changes - buffer inserts and delete-marks purges - buffer delete-marks and deletes all - buffer all operations (insert, delete-mark, delete) The default is 'all'. All values except 'none' and 'inserts' will make InnoDB+ write new-format records to the insert buffer, even for inserts. We will implement this variable in the InnoDB Plugin 1.0.3 with the values 'none' and 'inserts' (the default). This patch also adds a #if 0 TODO snippet for tagging the insert buffer format in the system tablespace. This is related to https://svn.innodb.com/innobase/Saving_last_shutdown_state and Issue #81. rb://79 approved by Heikki Tuuri and Ken Jacobs. --- handler/ha_innodb.cc | 90 +++++++++++++++++++++ ibuf/ibuf0ibuf.c | 185 +++++++++++++++++++++++++++++++++---------- include/ibuf0ibuf.h | 16 +++- include/ibuf0ibuf.ic | 3 +- 4 files changed, 249 insertions(+), 45 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 1ce0e0e30a4..79cf512da59 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -61,6 +61,7 @@ extern "C" { #include "../storage/innobase/include/dict0boot.h" #include "../storage/innobase/include/ha_prototypes.h" #include "../storage/innobase/include/ut0mem.h" +#include "../storage/innobase/include/ibuf0ibuf.h" } #include "ha_innodb.h" @@ -141,6 +142,7 @@ static char* innobase_data_home_dir = NULL; static char* innobase_data_file_path = NULL; static char* innobase_log_group_home_dir = NULL; static char* innobase_file_format_name = NULL; +static char* innobase_change_buffering = NULL; /* Note: This variable can be set to on/off and any of the supported file formats in the configuration file, but can only be set to any @@ -185,6 +187,16 @@ static hash_table_t* innobase_open_tables; bool nw_panic = FALSE; #endif +/** Allowed values of innodb_change_buffering */ +static const char* innobase_change_buffering_values[IBUF_USE_ALL + 1] = { + "none", /* IBUF_USE_NONE */ + "inserts", /* IBUF_USE_INSERT */ + "deletes", /* IBUF_USE_DELETE_MARK */ + "changes", /* IBUF_USE_INSERT_DELETE_MARK */ + "purges", /* IBUF_USE_DELETE */ + "all" /* IBUF_USE_ALL */ +}; + static INNOBASE_SHARE *get_share(const char *table_name); static void free_share(INNOBASE_SHARE *share); static int innobase_close_connection(handlerton *hton, THD* thd); @@ -2069,6 +2081,10 @@ innobase_init( } } + ut_a((ulint) ibuf_use < UT_ARR_SIZE(innobase_change_buffering_values)); + innobase_change_buffering = (char*) + innobase_change_buffering_values[ibuf_use]; + /* --------------------------------------------------*/ srv_file_flush_method_str = innobase_unix_file_flush_method; @@ -9357,6 +9373,72 @@ innodb_file_format_check_update( } } +/***************************************************************** +Check if it is a valid value of innodb_change_buffering. This function is +registered as a callback with MySQL. */ +static +int +innodb_change_buffering_validate( +/*=====================*/ + /* out: 0 for valid + innodb_change_buffering */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value) /* in: incoming string */ +{ + const char* change_buffering_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + + ut_a(save != NULL); + ut_a(value != NULL); + + change_buffering_input = value->val_str(value, buff, &len); + + if (change_buffering_input != NULL) { + ulint use; + + for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values); + use++) { + if (!innobase_strcasecmp( + change_buffering_input, + innobase_change_buffering_values[use])) { + *(ibuf_use_t*) save = (ibuf_use_t) use; + return(0); + } + } + } + + return(1); +} + +/******************************************************************** +Update the system variable innodb_change_buffering using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_change_buffering_update( +/*===================*/ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr, /* out: where the + formal string goes */ + const void* save) /* in: immediate result + from check function */ +{ + ut_a(var_ptr != NULL); + ut_a(save != NULL); + ut_a((*(ibuf_use_t*) save) <= IBUF_USE_ALL); + + ibuf_use = *(const ibuf_use_t*) save; + + *(const char**) var_ptr = innobase_change_buffering_values[ibuf_use]; +} + static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) { innodb_export_status(); @@ -9599,6 +9681,13 @@ static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, "Use native AIO if supported on this platform.", NULL, NULL, TRUE); +static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, + PLUGIN_VAR_RQCMDARG, + "Buffer changes to reduce random access: " + "OFF, ON, inserting, deleting, changing, or purging.", + innodb_change_buffering_validate, + innodb_change_buffering_update, NULL); + static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(additional_mem_pool_size), MYSQL_SYSVAR(autoextend_increment), @@ -9647,6 +9736,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(version), MYSQL_SYSVAR(use_sys_malloc), MYSQL_SYSVAR(use_native_aio), + MYSQL_SYSVAR(change_buffering), NULL }; diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index fe04f52372e..784c3fdb417 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -64,7 +64,7 @@ looking at the length of the field modulo DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE. The high-order bit of the character set field in the type info is the "nullable" flag for the field. -In versions >= TODO: +In versions >= InnoDB+ plugin: The optional marker byte at the start of the fourth field is replaced by mandatory 3 fields, totaling 4 bytes: @@ -161,7 +161,10 @@ access order rules. */ /* Table name for the insert buffer. */ #define IBUF_TABLE_NAME "SYS_IBUF_TABLE" -/* The insert buffer control structure */ +/** Operations that can currently be buffered. */ +UNIV_INTERN ibuf_use_t ibuf_use = IBUF_USE_ALL; + +/** The insert buffer control structure */ UNIV_INTERN ibuf_t* ibuf = NULL; UNIV_INTERN ulint ibuf_flush_count = 0; @@ -1656,18 +1659,23 @@ ibuf_entry_build( ulint space, /* in: space id */ ulint page_no,/* in: index page number where entry should be inserted */ - ulint counter,/* in: counter value */ + ulint counter,/* in: counter value; + ULINT_UNDEFINED=not used */ mem_heap_t* heap) /* in: heap into which to build */ { dtuple_t* tuple; dfield_t* field; const dfield_t* entry_field; ulint n_fields; - ulint type_info_size; byte* buf; - byte* buf2; + byte* ti; + byte* type_info; ulint i; + ut_ad(counter != ULINT_UNDEFINED || op == IBUF_OP_INSERT); + ut_ad(counter == ULINT_UNDEFINED || counter <= 0xFFFF); + ut_ad(op < IBUF_OP_COUNT); + /* We have to build a tuple with the following fields: 1-4) These are described at the top of this file. @@ -1715,15 +1723,37 @@ ibuf_entry_build( /* 4) Type info, part #1 */ - type_info_size = IBUF_REC_INFO_SIZE - + n_fields * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; - buf2 = mem_heap_alloc(heap, type_info_size); + if (counter == ULINT_UNDEFINED) { + i = dict_table_is_comp(index->table) ? 1 : 0; + } else { + ut_ad(counter <= 0xFFFF); + i = IBUF_REC_INFO_SIZE; + } - mach_write_to_2(buf2 + IBUF_REC_OFFSET_COUNTER, counter); + ti = type_info = mem_heap_alloc(heap, i + n_fields + * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - buf2[IBUF_REC_OFFSET_TYPE] = (byte) op; - buf2[IBUF_REC_OFFSET_FLAGS] = dict_table_is_comp(index->table) - ? IBUF_REC_COMPACT : 0; + switch (i) { + default: + ut_error; + break; + case 1: + /* set the flag for ROW_FORMAT=COMPACT */ + *ti++ = 0; + /* fall through */ + case 0: + /* the old format does not allow delete buffering */ + ut_ad(op == IBUF_OP_INSERT); + break; + case IBUF_REC_INFO_SIZE: + mach_write_to_2(ti + IBUF_REC_OFFSET_COUNTER, counter); + + ti[IBUF_REC_OFFSET_TYPE] = (byte) op; + ti[IBUF_REC_OFFSET_FLAGS] = dict_table_is_comp(index->table) + ? IBUF_REC_COMPACT : 0; + ti += IBUF_REC_INFO_SIZE; + break; + } /* 5+) Fields from the entry */ @@ -1761,16 +1791,15 @@ ibuf_entry_build( #endif /* UNIV_DEBUG */ dtype_new_store_for_order_and_null_size( - buf2 + IBUF_REC_INFO_SIZE - + i * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, - dfield_get_type(entry_field), fixed_len); + ti, dfield_get_type(entry_field), fixed_len); + ti += DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; } /* 4) Type info, part #2 */ field = dtuple_get_nth_field(tuple, 3); - dfield_set_data(field, buf2, type_info_size); + dfield_set_data(field, type_info, ti - type_info); /* Set all the types in the new tuple binary */ @@ -2378,8 +2407,24 @@ ibuf_contract_ext( mutex_enter(&ibuf_mutex); if (ibuf->empty) { +ibuf_is_empty: mutex_exit(&ibuf_mutex); +#if 0 /* TODO */ + if (srv_shutdown_state) { + /* If the insert buffer becomes empty during + shutdown, note it in the system tablespace. */ + + trx_sys_set_ibuf_format(TRX_SYS_IBUF_EMPTY); + } + + /* TO DO: call trx_sys_set_ibuf_format() at startup + and whenever ibuf_use is changed to allow buffered + delete-marking or deleting. Never downgrade the + stamped format except when the insert buffer becomes + empty. */ +#endif + return(0); } @@ -2406,9 +2451,7 @@ ibuf_contract_ext( mtr_commit(&mtr); btr_pcur_close(&pcur); - mutex_exit(&ibuf_mutex); - - return(0); + goto ibuf_is_empty; } mutex_exit(&ibuf_mutex); @@ -3138,6 +3181,9 @@ ibuf_insert_low( /* out: DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ ulint mode, /* in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ ibuf_op_t op, /* in: operation type */ + ibool no_counter, + /* in: TRUE=use 5.0.3 format; + FALSE=allow delete buffering */ const dtuple_t* entry, /* in: index entry to insert */ ulint entry_size, /* in: rec_get_converted_size(index, entry) */ @@ -3171,6 +3217,7 @@ ibuf_insert_low( ut_a(!dict_index_is_clust(index)); ut_ad(dtuple_check_typed(entry)); ut_ad(ut_is_2pow(zip_size)); + ut_ad(!no_counter || op == IBUF_OP_INSERT); ut_a(op < IBUF_OP_COUNT); ut_a(trx_sys_multiple_tablespace_format); @@ -3239,7 +3286,8 @@ ibuf_insert_low( value just before actually inserting the entry.) */ ibuf_entry = ibuf_entry_build( - op, index, entry, space, page_no, 0xFFFF, heap); + op, index, entry, space, page_no, + no_counter ? ULINT_UNDEFINED : 0xFFFF, heap); /* Open a cursor to the insert buffer tree to calculate if we can add the new entry to it without exceeding the free space limit for the @@ -3335,8 +3383,9 @@ ibuf_insert_low( /* Patch correct counter value to the entry to insert. This can change the insert position, which can result in the need to abort in some cases. */ - if (!ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, - mode == BTR_MODIFY_PREV, &mtr)) { + if (!no_counter + && !ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, + mode == BTR_MODIFY_PREV, &mtr)) { bitmap_fail: err = DB_STRONG_FAIL; @@ -3459,45 +3508,95 @@ ibuf_insert( ulint page_no,/* in: page number where to insert */ que_thr_t* thr) /* in: query thread */ { - ulint err; - ulint entry_size; - ibool comp = dict_table_is_comp(index->table); + ulint err; + ulint entry_size; + ibool no_counter; + /* Read the settable global variable ibuf_use only once in + this function, so that we will have a consistent view of it. */ + ibuf_use_t use = ibuf_use; ut_a(trx_sys_multiple_tablespace_format); ut_ad(dtuple_check_typed(entry)); ut_ad(ut_is_2pow(zip_size)); - ut_a(op < IBUF_OP_COUNT); ut_a(!dict_index_is_clust(index)); - if (UNIV_LIKELY(op != IBUF_OP_DELETE)) { - /* If another thread buffers an insert on a page while - the purge is in progress, the purge for the same page - must not be buffered, because it could remove a record - that was re-inserted later. + no_counter = use <= IBUF_USE_INSERT; - We do not call this in the IBUF_OP_DELETE case, - because that would always trigger the buffer pool - watch during purge and thus prevent the buffering of - delete operations. We assume that IBUF_OP_DELETE - operations are only issued by the purge thread. */ - - buf_pool_mutex_enter(); - buf_pool_watch_notify(space, page_no); - buf_pool_mutex_exit(); + switch (op) { + case IBUF_OP_INSERT: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_DELETE: + case IBUF_USE_DELETE_MARK: + return(FALSE); + case IBUF_USE_INSERT: + case IBUF_USE_INSERT_DELETE_MARK: + case IBUF_USE_ALL: + break; + } + break; + case IBUF_OP_DELETE_MARK: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_INSERT: + return(FALSE); + case IBUF_USE_DELETE_MARK: + case IBUF_USE_DELETE: + case IBUF_USE_INSERT_DELETE_MARK: + case IBUF_USE_ALL: + break; + } + ut_ad(!no_counter); + break; + case IBUF_OP_DELETE: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_INSERT: + case IBUF_USE_INSERT_DELETE_MARK: + return(FALSE); + case IBUF_USE_DELETE_MARK: + case IBUF_USE_DELETE: + case IBUF_USE_ALL: + break; + } + ut_ad(!no_counter); + goto skip_notify; + default: + ut_error; } + /* If another thread buffers an insert on a page while + the purge is in progress, the purge for the same page + must not be buffered, because it could remove a record + that was re-inserted later. + + We do not call this in the IBUF_OP_DELETE case, + because that would always trigger the buffer pool + watch during purge and thus prevent the buffering of + delete operations. We assume that IBUF_OP_DELETE + operations are only issued by the purge thread. */ + + buf_pool_mutex_enter(); + buf_pool_watch_notify(space, page_no); + buf_pool_mutex_exit(); + +skip_notify: entry_size = rec_get_converted_size(index, entry, 0); - if (entry_size >= (page_get_free_space_of_empty(comp) / 2)) { + if (entry_size + >= page_get_free_space_of_empty(dict_table_is_comp(index->table)) + / 2) { return(FALSE); } - err = ibuf_insert_low(BTR_MODIFY_PREV, op, entry, entry_size, + err = ibuf_insert_low(BTR_MODIFY_PREV, op, no_counter, + entry, entry_size, index, space, zip_size, page_no, thr); if (err == DB_FAIL) { - err = ibuf_insert_low(BTR_MODIFY_TREE, op, entry, entry_size, + err = ibuf_insert_low(BTR_MODIFY_TREE, op, no_counter, + entry, entry_size, index, space, zip_size, page_no, thr); } diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 7b56cb41850..a29368a1fcf 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -29,7 +29,21 @@ typedef enum { IBUF_OP_COUNT = 3, } ibuf_op_t; -extern ibuf_t* ibuf; +/** Combinations of operations that can be buffered. */ +typedef enum { + IBUF_USE_NONE = 0, + IBUF_USE_INSERT, /* insert */ + IBUF_USE_DELETE_MARK, /* delete */ + IBUF_USE_INSERT_DELETE_MARK, /* insert+delete */ + IBUF_USE_DELETE, /* delete+purge */ + IBUF_USE_ALL /* insert+delete+purge */ +} ibuf_use_t; + +/** Operations that can currently be buffered. */ +extern ibuf_use_t ibuf_use; + +/** The insert buffer control structure */ +extern ibuf_t* ibuf; /* The purpose of the insert buffer is to reduce random disk access. When we wish to insert a record into a non-unique secondary index and diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 1978ac27eca..aaef070d00a 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -84,7 +84,8 @@ ibuf_should_try( a secondary index when we decide */ { - if (!dict_index_is_clust(index) + if (ibuf_use != IBUF_USE_NONE + && !dict_index_is_clust(index) && (ignore_sec_unique || !dict_index_is_unique(index))) { ibuf_flush_count++; From 372c4132fdaa437c539a3843e57b4dd79ade4dc7 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 29 Jan 2009 09:47:07 +0000 Subject: [PATCH 123/400] branches/innodb+: Merge revisions 4006:4060 from branches/zip: ------------------------------------------------------------------------ r4008 | vasil | 2009-01-20 17:01:08 +0200 (Tue, 20 Jan 2009) | 4 lines branches/zip: Add ChangeLog entries for the bugfixes in r4004 and r4005. ------------------------------------------------------------------------ r4027 | marko | 2009-01-23 11:04:49 +0200 (Fri, 23 Jan 2009) | 1 line branches/zip: Remove some redundant #include statements. ------------------------------------------------------------------------ r4028 | marko | 2009-01-23 11:26:10 +0200 (Fri, 23 Jan 2009) | 13 lines branches/zip: Enclose some more unused code in #ifdef UNIV_LOG_ARCHIVE. This will help trim the dependencies of InnoDB Hot Backup. recv_recovery_from_checkpoint_start(): Rename to recv_recovery_from_checkpoint_start_func(), and remove the two first parameters unless UNIV_LOG_ARCHIVE is defined. Define and use the auxiliary macros TYPE_CHECKPOINT and LIMIT_LSN in the function. struct recv_sys_struct: Remove archive_group unless UNIV_LOG_ARCHIVE is defined. Do not define LOG_ARCHIVE unless UNIV_LOG_ARCHIVE is defined. ------------------------------------------------------------------------ r4029 | marko | 2009-01-23 14:07:38 +0200 (Fri, 23 Jan 2009) | 1 line branches/zip: Remove some redundant #include directives. ------------------------------------------------------------------------ r4030 | marko | 2009-01-23 15:31:36 +0200 (Fri, 23 Jan 2009) | 2 lines branches/zip: buf_page_get_gen(): Remove the unused mode BUF_GET_NOWAIT. This was noticed while investigating Issue #160. ------------------------------------------------------------------------ r4033 | marko | 2009-01-23 15:49:04 +0200 (Fri, 23 Jan 2009) | 16 lines branches/zip: Merge revisions 4005:4032 from branches/5.1: ------------------------------------------------------------------------ r4032 | marko | 2009-01-23 15:43:51 +0200 (Fri, 23 Jan 2009) | 10 lines branches/5.1: Merge r4031 from branches/5.0: btr_search_drop_page_hash_when_freed(): Check if buf_page_get_gen() returns NULL. The page may have been evicted from the buffer pool between buf_page_peek_if_search_hashed() and buf_page_get_gen(), because the buffer pool mutex will be released between these two calls. (Bug #42279, Issue #160) rb://82 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4034 | marko | 2009-01-26 16:16:39 +0200 (Mon, 26 Jan 2009) | 2 lines branches/zip: buf_page_get_gen(): Fix a "possibly uninitialized" warning that was introduced in r4030. ------------------------------------------------------------------------ r4036 | marko | 2009-01-26 22:33:20 +0200 (Mon, 26 Jan 2009) | 22 lines branches/zip: In r988, the function buf_block_align() was enclosed within UNIV_DEBUG. The two remaining callers in non-debug builds, btr_search_guess_on_hash() and btr_search_validate(), were rewritten to call buf_page_hash_get(). To implement support for a resizeable buffer pool, the function buf_block_align() had been rewritten to perform a page hash lookup in the buffer pool. The caller was also made responsible for holding the buffer pool mutex. Because the page hash lookup is expensive and it has to be done while holding the buffer pool mutex, implement buf_block_align() by pointer arithmetics again, and make btr_search_guess_on_hash() call it. Note that this will have to be adjusted if the interface to the resizeable buffer pool is actually implemented. rb://83 approved by Heikki Tuuri, to address Issue #161. As a deviation from the approved patch, this patch also makes btr_search_validate() (invoked by CHECK TABLE) check that buf_pool->page_hash is consistent with buf_block_align(). ------------------------------------------------------------------------ r4039 | vasil | 2009-01-27 08:04:17 +0200 (Tue, 27 Jan 2009) | 5 lines branches/zip: Adjust the paths in innodb_file_per_table.diff with a recent rename of the test/result files in the MySQL tree. ------------------------------------------------------------------------ r4042 | marko | 2009-01-27 10:05:24 +0200 (Tue, 27 Jan 2009) | 2 lines branches/zip: buf_LRU_invalidate_tablespace(): Fix a race condition: read zip_size while still holding block_mutex. ------------------------------------------------------------------------ r4045 | marko | 2009-01-28 00:31:17 +0200 (Wed, 28 Jan 2009) | 8 lines branches/zip: btr_search_validate(): Fix a bogus UNIV_DEBUG assertion failure that was accidentally introduced in r4036. Instead of calling buf_block_get_frame(), which asserts that the block must be buffer-fixed, access block->frame directly. That is safe, because changes of block->page.state are protected by the buffer pool mutex, which we are holding. This bug was reported by Michael. ------------------------------------------------------------------------ r4046 | marko | 2009-01-28 00:33:20 +0200 (Wed, 28 Jan 2009) | 2 lines branches/zip: Revert the change to univ.i that was accidentally committed in r4045. ------------------------------------------------------------------------ r4047 | marko | 2009-01-28 00:46:13 +0200 (Wed, 28 Jan 2009) | 6 lines branches/zip: btr_search_validate(): Fix an assertion failure that was introduced in r4036. Do not call buf_block_get_space(), buf_block_get_page_no() unless the block state is BUF_BLOCK_FILE_PAGE. This bug was reported by Michael. ------------------------------------------------------------------------ r4050 | vasil | 2009-01-28 08:21:44 +0200 (Wed, 28 Jan 2009) | 5 lines branches/zip: Adjust the paths in innodb_lock_wait_timeout.diff with a recent rename of the test/result files in the MySQL tree. ------------------------------------------------------------------------ r4051 | marko | 2009-01-28 14:35:49 +0200 (Wed, 28 Jan 2009) | 1 line branches/zip: trx0sys.ic: Remove unnecessary #include . ------------------------------------------------------------------------ r4052 | marko | 2009-01-28 15:21:45 +0200 (Wed, 28 Jan 2009) | 5 lines branches/zip: Enclose some functions inside #ifdef UNIV_HOTBACKUP: ut_sprintf_timestamp_without_extra_chars(), ut_get_year_month_day(), log_reset_first_header_and_checkpoint(): These functions are only used in InnoDB Hot Backup. ------------------------------------------------------------------------ r4056 | calvin | 2009-01-29 03:06:41 +0200 (Thu, 29 Jan 2009) | 33 lines branches/zip: Merge revisions 4032:4035 from branches/5.1 All InnoDB related tests passed on Windows, except known failure in partition_innodb_semi_consistent. The inadvertent change to btr0sea.c in this commit is reverted in r4060. ------------------------------------------------------------------------ r4035 | vasil | 2009-01-26 09:26:25 -0600 (Mon, 26 Jan 2009) | 23 lines branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2646.161.4 committer: Tatiana A. Nurnberg branch nick: 51-31177v2 timestamp: Mon 2009-01-12 06:32:49 +0100 message: Bug#31177: Server variables can't be set to their current values Bounds-checks and blocksize corrections were applied to user-input, but constants in the server were trusted implicitly. If these values did not actually meet the requirements, the user could not set change a variable, then set it back to the (wonky) factory default or maximum by explicitly specifying it (SET = vs SET =DEFAULT). Now checks also apply to the server's presets. Wonky values and maxima get corrected at startup. Consequently all non-offsetted values the user sees are valid, and users can set the variable to that exact value if they so desire. ------------------------------------------------------------------------ r4060 | marko | 2009-01-29 09:39:04 +0200 (Thu, 29 Jan 2009) | 1 line branches/zip: btr0sea.c: Revert the inadvertent change made in r4056. ------------------------------------------------------------------------ --- ChangeLog | 41 ++++++++ btr/btr0sea.c | 94 +++++++++---------- buf/buf0buf.c | 85 +++++++++++------ buf/buf0lru.c | 12 ++- dict/dict0mem.c | 2 - fil/fil0fil.c | 1 - handler/ha_innodb.cc | 6 +- include/btr0btr.h | 1 - include/btr0cur.h | 1 - include/buf0buf.h | 16 +--- include/buf0buf.ic | 29 +----- include/dict0dict.h | 1 - include/dict0mem.h | 1 - include/ibuf0ibuf.h | 1 - include/log0log.h | 6 +- include/log0recv.h | 15 ++- include/log0recv.ic | 5 +- include/mtr0log.ic | 2 - include/row0upd.ic | 2 - include/trx0rec.h | 1 - include/trx0sys.ic | 1 - include/trx0types.h | 1 - include/ut0ut.h | 2 + log/log0log.c | 2 + log/log0recv.c | 52 +++++----- mem/mem0mem.c | 2 - mtr/mtr0mtr.c | 7 +- mysql-test/patches/innodb_file_per_table.diff | 12 +-- .../patches/innodb_lock_wait_timeout.diff | 8 +- page/page0cur.c | 1 - ut/ut0ut.c | 2 + 31 files changed, 226 insertions(+), 186 deletions(-) diff --git a/ChangeLog b/ChangeLog index 0d13a72b561..63b42f9d6fb 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,44 @@ +2009-01-27 The InnoDB Team + + * buf/buf0lru.c: + Fix a race condition in buf_LRU_invalidate_tablespace(): + The compressed page size (zip_size) was read while the block + descriptor was no longer protected by a mutex. This could lead to + corruption when a table is dropped on a busy system that contains + compressed tables. + +2009-01-26 The InnoDB Team + + * include/buf0buf.h, include/buf0buf.ic, buf/buf0buf.c, + include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c, + btr/btr0sea.c: + Implement buf_block_align() with pointer arithmetics, as it is in + the built-in InnoDB distributed with MySQL. Do not acquire the + buffer pool mutex before buf_block_align(). This removes a + scalability bottleneck in the adaptive hash index lookup. In + CHECK TABLE, check that buf_pool->page_hash is consistent with + buf_block_align(). + +2009-01-23 The InnoDB Team + + * btr/btr0sea.c: + Fix Bug#42279 Race condition in btr_search_drop_page_hash_when_freed() + +2009-01-23 The InnoDB Team + + * include/buf0buf.h, buf/buf0buf.c: + Remove the unused mode BUF_GET_NOWAIT of buf_page_get_gen() + +2009-01-20 The InnoDB Team + + * include/rem0rec.h, include/rem0rec.ic: + Fix Bug#41571 MySQL segfaults after innodb recovery + +2009-01-20 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#42152 Race condition in lock_is_table_exclusive() + 2009-01-14 The InnoDB Team * include/trx0roll.h, trx/trx0roll.c, trx/trx0trx.c: diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 617dac34a49..afcd46c75b4 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -758,7 +758,6 @@ btr_search_guess_on_hash( { buf_block_t* block; rec_t* rec; - const page_t* page; ulint fold; dulint index_id; #ifdef notdefined @@ -809,29 +808,7 @@ btr_search_guess_on_hash( goto failure_unlock; } - page = page_align(rec); - { - ulint page_no = page_get_page_no(page); - ulint space_id = page_get_space_id(page); - - buf_pool_mutex_enter(); - block = (buf_block_t*) buf_page_hash_get(space_id, page_no); - buf_pool_mutex_exit(); - } - - if (UNIV_UNLIKELY(!block) - || UNIV_UNLIKELY(buf_block_get_state(block) - != BUF_BLOCK_FILE_PAGE)) { - - /* The block is most probably being freed. - The function buf_LRU_search_and_free_block() - first removes the block from buf_pool->page_hash - by calling buf_LRU_block_remove_hashed_page(). - After that, it invokes btr_search_drop_page_hash_index(). - Let us pretend that the block was also removed from - the adaptive hash index. */ - goto failure_unlock; - } + block = buf_block_align(rec); if (UNIV_LIKELY(!has_search_latch)) { @@ -848,8 +825,9 @@ btr_search_guess_on_hash( buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); } - if (UNIV_UNLIKELY(buf_block_get_state(block) - == BUF_BLOCK_REMOVE_HASH)) { + if (UNIV_UNLIKELY(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE)) { + ut_ad(buf_block_get_state(block) == BUF_BLOCK_REMOVE_HASH); + if (UNIV_LIKELY(!has_search_latch)) { btr_leaf_page_release(block, latch_mode, mtr); @@ -858,7 +836,6 @@ btr_search_guess_on_hash( goto failure; } - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); ut_ad(page_rec_is_user_rec(rec)); btr_cur_position(index, rec, block, cursor); @@ -870,8 +847,8 @@ btr_search_guess_on_hash( is positioned on. We cannot look at the next of the previous record to determine if our guess for the cursor position is right. */ - if (UNIV_EXPECT( - ut_dulint_cmp(index_id, btr_page_get_index_id(page)), 0) + if (UNIV_EXPECT + (ut_dulint_cmp(index_id, btr_page_get_index_id(block->frame)), 0) || !btr_search_check_guess(cursor, has_search_latch, tuple, mode, mtr)) { @@ -1155,10 +1132,18 @@ btr_search_drop_page_hash_when_freed( block = buf_page_get_gen(space, zip_size, page_no, RW_S_LATCH, NULL, BUF_GET_IF_IN_POOL, __FILE__, __LINE__, &mtr); + /* Because the buffer pool mutex was released by + buf_page_peek_if_search_hashed(), it is possible that the + block was removed from the buffer pool by another thread + before buf_page_get_gen() got a chance to acquire the buffer + pool mutex again. Thus, we must check for a NULL return. */ - buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); + if (UNIV_LIKELY(block != NULL)) { - btr_search_drop_page_hash_index(block); + buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); + + btr_search_drop_page_hash_index(block); + } mtr_commit(&mtr); } @@ -1682,7 +1667,6 @@ btr_search_validate(void) /*=====================*/ /* out: TRUE if ok */ { - page_t* page; ha_node_t* node; ulint n_page_dumps = 0; ibool ok = TRUE; @@ -1717,28 +1701,40 @@ btr_search_validate(void) node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node; for (; node != NULL; node = node->next) { - const buf_block_t* block; + const buf_block_t* block + = buf_block_align(node->data); + const buf_block_t* hash_block; - page = page_align(node->data); - { - ulint page_no = page_get_page_no(page); - ulint space_id= page_get_space_id(page); + if (UNIV_LIKELY(buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE)) { - block = buf_block_hash_get(space_id, page_no); + /* The space and offset are only valid + for file blocks. It is possible that + the block is being freed + (BUF_BLOCK_REMOVE_HASH, see the + assertion and the comment below) */ + hash_block = buf_block_hash_get( + buf_block_get_space(block), + buf_block_get_page_no(block)); + } else { + hash_block = NULL; } - if (UNIV_UNLIKELY(!block)) { - - /* The block is most probably being freed. - The function buf_LRU_search_and_free_block() - first removes the block from + if (hash_block) { + ut_a(hash_block == block); + } else { + /* When a block is being freed, + buf_LRU_search_and_free_block() first + removes the block from buf_pool->page_hash by calling buf_LRU_block_remove_hashed_page(). After that, it invokes - btr_search_drop_page_hash_index(). - Let us pretend that the block was also removed - from the adaptive hash index. */ - continue; + btr_search_drop_page_hash_index() to + remove the block from + btr_search_sys->hash_index. */ + + ut_a(buf_block_get_state(block) + == BUF_BLOCK_REMOVE_HASH); } ut_a(!dict_index_is_ibuf(block->index)); @@ -1754,7 +1750,9 @@ btr_search_validate(void) offsets, block->curr_n_fields, block->curr_n_bytes, - btr_page_get_index_id(page))) { + btr_page_get_index_id(block->frame))) { + const page_t* page = block->frame; + ok = FALSE; ut_print_timestamp(stderr); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c9976182358..44d6335e4d3 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -35,7 +35,6 @@ Created 11/5/1995 Heikki Tuuri #include "ibuf0ibuf.h" #include "dict0dict.h" #include "log0recv.h" -#include "log0log.h" #include "trx0undo.h" #include "srv0srv.h" #include "page0zip.h" @@ -1812,6 +1811,53 @@ buf_zip_decompress( return(FALSE); } +/*********************************************************************** +Gets the block to whose frame the pointer is pointing to. */ +UNIV_INTERN +buf_block_t* +buf_block_align( +/*============*/ + /* out: pointer to block, never NULL */ + const byte* ptr) /* in: pointer to a frame */ +{ + buf_chunk_t* chunk; + ulint i; + + /* TODO: protect buf_pool->chunks with a mutex (it will + currently remain constant after buf_pool_init()) */ + for (chunk = buf_pool->chunks, i = buf_pool->n_chunks; i--; chunk++) { + lint offs = ptr - chunk->blocks->frame; + + if (UNIV_UNLIKELY(offs < 0)) { + + continue; + } + + offs >>= UNIV_PAGE_SIZE_SHIFT; + + if (UNIV_LIKELY((ulint) offs < chunk->size)) { + buf_block_t* block = &chunk->blocks[offs]; + + /* The function buf_chunk_init() invokes + buf_block_init() so that block[n].frame == + block->frame + n * UNIV_PAGE_SIZE. Check it. */ + ut_ad(block->frame == page_align(ptr)); + /* The space id and page number should be + stamped on the page. */ + ut_ad(block->page.space + == page_get_space_id(page_align(ptr))); + ut_ad(block->page.offset + == page_get_page_no(page_align(ptr))); + + return(block); + } + } + + /* The block should always be found. */ + ut_error; + return(NULL); +} + /************************************************************************ Find out if a buffer block was created by buf_chunk_init(). */ static @@ -1861,7 +1907,7 @@ buf_page_get_gen( ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ buf_block_t* guess, /* in: guessed block or NULL */ ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH, BUF_GET_NOWAIT or + BUF_GET_NO_LATCH, or BUF_GET_IF_IN_POOL_OR_WATCH */ const char* file, /* in: file name */ ulint line, /* in: line where called */ @@ -1880,7 +1926,6 @@ buf_page_get_gen( ut_ad(mode == BUF_GET || mode == BUF_GET_IF_IN_POOL || mode == BUF_GET_NO_LATCH - || mode == BUF_GET_NOWAIT || mode == BUF_GET_IF_IN_POOL_OR_WATCH); ut_ad(zip_size == fil_space_get_zip_size(space)); #ifndef UNIV_LOG_DEBUG @@ -2136,29 +2181,8 @@ wait_until_unfixed: ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - if (mode == BUF_GET_NOWAIT) { - ibool success; - - if (rw_latch == RW_S_LATCH) { - success = rw_lock_s_lock_func_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_S_FIX; - } else { - ut_ad(rw_latch == RW_X_LATCH); - success = rw_lock_x_lock_func_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_X_FIX; - } - - if (!success) { - mutex_enter(&block->mutex); - buf_block_buf_fix_dec(block); - mutex_exit(&block->mutex); - - return(NULL); - } - } else if (rw_latch == RW_NO_LATCH) { - + switch (rw_latch) { + case RW_NO_LATCH: if (must_read) { /* Let us wait until the read operation completes */ @@ -2180,15 +2204,20 @@ wait_until_unfixed: } fix_type = MTR_MEMO_BUF_FIX; - } else if (rw_latch == RW_S_LATCH) { + break; + case RW_S_LATCH: rw_lock_s_lock_func(&(block->lock), 0, file, line); fix_type = MTR_MEMO_PAGE_S_FIX; - } else { + break; + + default: + ut_ad(rw_latch == RW_X_LATCH); rw_lock_x_lock_func(&(block->lock), 0, file, line); fix_type = MTR_MEMO_PAGE_X_FIX; + break; } mtr_memo_push(mtr, block, fix_type); diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 623b734559c..3afb9b8e9b7 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -300,7 +300,6 @@ buf_LRU_invalidate_tablespace( ulint id) /* in: space id */ { buf_page_t* bpage; - ulint page_no; ibool all_freed; /* Before we attempt to drop pages one by one we first @@ -351,18 +350,21 @@ scan_again: #endif if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE && ((buf_block_t*) bpage)->is_hashed) { - page_no = buf_page_get_page_no(bpage); + ulint page_no; + ulint zip_size; buf_pool_mutex_exit(); + + zip_size = buf_page_get_zip_size(bpage); + page_no = buf_page_get_page_no(bpage); + mutex_exit(block_mutex); /* Note that the following call will acquire an S-latch on the page */ btr_search_drop_page_hash_when_freed( - id, - buf_page_get_zip_size(bpage), - page_no); + id, zip_size, page_no); goto scan_again; } diff --git a/dict/dict0mem.c b/dict/dict0mem.c index dff2ad3f552..bba7837f6b6 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -16,8 +16,6 @@ Created 1/8/1996 Heikki Tuuri #include "data0type.h" #include "mach0data.h" #include "dict0dict.h" -#include "que0que.h" -#include "pars0pars.h" #include "lock0lock.h" #define DICT_HEAP_SIZE 100 /* initial memory heap size when diff --git a/fil/fil0fil.c b/fil/fil0fil.c index d413cb7d31d..13935623f9f 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -18,7 +18,6 @@ Created 10/25/1995 Heikki Tuuri #include "buf0buf.h" #include "buf0flu.h" #include "buf0lru.h" -#include "log0log.h" #include "log0recv.h" #include "fsp0fsp.h" #include "srv0srv.h" diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 79cf512da59..68c6d978831 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -9578,7 +9578,7 @@ static MYSQL_SYSVAR_ULONG(replication_delay, srv_replication_delay, static MYSQL_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.", - NULL, NULL, 1*1024*1024L, 512*1024L, ~0L, 1024); + NULL, NULL, 1*1024*1024L, 512*1024L, LONG_MAX, 1024); static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment, PLUGIN_VAR_RQCMDARG, @@ -9613,7 +9613,7 @@ static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, static MYSQL_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "The size of the buffer which InnoDB uses to write log to the log files on disk.", - NULL, NULL, 1024*1024L, 256*1024L, ~0L, 1024); + NULL, NULL, 1024*1024L, 256*1024L, LONG_MAX, 1024); static MYSQL_SYSVAR_LONGLONG(log_file_size, innobase_log_file_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, @@ -9633,7 +9633,7 @@ static MYSQL_SYSVAR_LONG(mirrored_log_groups, innobase_mirrored_log_groups, static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "How many files at the maximum InnoDB keeps open at the same time.", - NULL, NULL, 300L, 10L, ~0L, 0); + NULL, NULL, 300L, 10L, LONG_MAX, 0); static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, PLUGIN_VAR_RQCMDARG, diff --git a/include/btr0btr.h b/include/btr0btr.h index 64244b93c6a..e85a06b2c6a 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -14,7 +14,6 @@ Created 6/2/1994 Heikki Tuuri #include "dict0dict.h" #include "data0data.h" #include "page0cur.h" -#include "rem0rec.h" #include "mtr0mtr.h" #include "btr0types.h" diff --git a/include/btr0cur.h b/include/btr0cur.h index c516dd8f8f3..5e48a59f2e4 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -11,7 +11,6 @@ Created 10/16/1994 Heikki Tuuri #include "univ.i" #include "dict0dict.h" -#include "data0data.h" #include "page0cur.h" #include "btr0types.h" #include "que0types.h" diff --git a/include/buf0buf.h b/include/buf0buf.h index e7bf6faed1d..ad302e5caa7 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -37,8 +37,6 @@ Created 11/5/1995 Heikki Tuuri /* Modes for buf_page_get_gen */ #define BUF_GET 10 /* get always */ #define BUF_GET_IF_IN_POOL 11 /* get if in pool */ -#define BUF_GET_NOWAIT 12 /* get if can set the latch without - waiting */ #define BUF_GET_NO_LATCH 14 /* get and bufferfix, but set no latch; we have separated this case, because it is error-prone programming not to @@ -177,12 +175,6 @@ with care. */ SP, ZS, OF, RW_NO_LATCH, NULL,\ BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) /****************************************************************** -NOTE! The following macros should be used instead of buf_page_get_gen, to -improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ -#define buf_page_get_nowait(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ - SP, ZS, OF, LA, NULL,\ - BUF_GET_NOWAIT, __FILE__, __LINE__, MTR) -/****************************************************************** NOTE! The following macros should be used instead of buf_page_optimistic_get_func, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ @@ -872,15 +864,15 @@ Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ #define buf_block_get_page_zip(block) \ (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /*********************************************************************** Gets the block to whose frame the pointer is pointing to. */ -UNIV_INLINE -const buf_block_t* +UNIV_INTERN +buf_block_t* buf_block_align( /*============*/ - /* out: pointer to block */ + /* out: pointer to block, never NULL */ const byte* ptr); /* in: pointer to a frame */ +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 3f71b8feea2..171a6b01391 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -631,29 +631,6 @@ buf_block_get_zip_size( } #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/*********************************************************************** -Gets the block to whose frame the pointer is pointing to. */ -UNIV_INLINE -const buf_block_t* -buf_block_align( -/*============*/ - /* out: pointer to block */ - const byte* ptr) /* in: pointer to a frame */ -{ - const buf_block_t* block; - ulint space_id, page_no; - - ptr = (const byte*) ut_align_down(ptr, UNIV_PAGE_SIZE); - page_no = mach_read_from_4(ptr + FIL_PAGE_OFFSET); - space_id = mach_read_from_4(ptr + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - - block = (const buf_block_t*) buf_page_hash_get(space_id, page_no); - ut_ad(block); - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->frame == ptr); - return(block); -} - /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ @@ -664,11 +641,7 @@ buf_frame_get_page_zip( /* out: compressed page descriptor, or NULL */ const byte* ptr) /* in: pointer to the page */ { - const page_zip_des_t* page_zip; - buf_pool_mutex_enter(); - page_zip = buf_block_get_page_zip(buf_block_align(ptr)); - buf_pool_mutex_exit(); - return(page_zip); + return(buf_block_get_page_zip(buf_block_align(ptr))); } #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ diff --git a/include/dict0dict.h b/include/dict0dict.h index bb9f257583c..c8a421f4596 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -18,7 +18,6 @@ Created 1/8/1996 Heikki Tuuri #include "sync0rw.h" #include "mem0mem.h" #include "rem0types.h" -#include "btr0types.h" #include "ut0mem.h" #include "ut0lst.h" #include "hash0hash.h" diff --git a/include/dict0mem.h b/include/dict0mem.h index bfa0636aee5..6d21315164b 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -12,7 +12,6 @@ Created 1/8/1996 Heikki Tuuri #include "univ.i" #include "dict0types.h" #include "data0type.h" -#include "data0data.h" #include "mem0mem.h" #include "rem0types.h" #include "btr0types.h" diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index a29368a1fcf..08712097161 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -12,7 +12,6 @@ Created 7/19/1997 Heikki Tuuri #include "univ.i" #include "dict0mem.h" -#include "dict0dict.h" #include "mtr0mtr.h" #include "que0types.h" #include "ibuf0types.h" diff --git a/include/log0log.h b/include/log0log.h index a25efdd2a37..c71f53a8de1 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -255,6 +255,7 @@ UNIV_INTERN void log_groups_write_checkpoint_info(void); /*==================================*/ +#ifdef UNIV_HOTBACKUP /********************************************************** Writes info to a buffer of a log group when log files are created in backup restoration. */ @@ -267,6 +268,7 @@ log_reset_first_header_and_checkpoint( ib_uint64_t start); /* in: lsn of the start of the first log file; we pretend that there is a checkpoint at start + LOG_BLOCK_HDR_SIZE */ +#endif /* UNIV_HOTBACKUP */ /************************************************************************ Starts an archiving operation. */ UNIV_INTERN @@ -514,7 +516,9 @@ extern log_t* log_sys; /* Values used as flags */ #define LOG_FLUSH 7652559 #define LOG_CHECKPOINT 78656949 -#define LOG_ARCHIVE 11122331 +#ifdef UNIV_LOG_ARCHIVE +# define LOG_ARCHIVE 11122331 +#endif /* UNIV_LOG_ARCHIVE */ #define LOG_RECOVER 98887331 /* The counting of lsn's starts from this value: this must be non-zero */ diff --git a/include/log0recv.h b/include/log0recv.h index 9695211ab20..878e6eeceb0 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -91,16 +91,25 @@ recv_recovery_from_checkpoint_finish should be called later to complete the recovery and free the resources used in it. */ UNIV_INTERN ulint -recv_recovery_from_checkpoint_start( -/*================================*/ +recv_recovery_from_checkpoint_start_func( +/*=====================================*/ /* out: error code or DB_SUCCESS */ +#ifdef UNIV_LOG_ARCHIVE ulint type, /* in: LOG_CHECKPOINT or LOG_ARCHIVE */ ib_uint64_t limit_lsn, /* in: recover up to this lsn if possible */ +#endif /* UNIV_LOG_ARCHIVE */ ib_uint64_t min_flushed_lsn,/* in: min flushed lsn from data files */ ib_uint64_t max_flushed_lsn);/* in: max flushed lsn from data files */ +#ifdef UNIV_LOG_ARCHIVE +# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ + recv_recovery_from_checkpoint_start_func(type,lim,min,max) +#else /* UNIV_LOG_ARCHIVE */ +# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ + recv_recovery_from_checkpoint_start_func(min,max) +#endif /* UNIV_LOG_ARCHIVE */ /************************************************************ Completes recovery from a checkpoint. */ UNIV_INTERN @@ -321,9 +330,11 @@ struct recv_sys_struct{ scan find a corrupt log block, or a corrupt log record, or there is a log parsing buffer overflow */ +#ifdef UNIV_LOG_ARCHIVE log_group_t* archive_group; /* in archive recovery: the log group whose archive is read */ +#endif /* !UNIV_LOG_ARCHIVE */ mem_heap_t* heap; /* memory heap of log records and file addresses*/ hash_table_t* addr_hash;/* hash table of file addresses of pages */ diff --git a/include/log0recv.ic b/include/log0recv.ic index 50ce8a87006..ba4588d1a24 100644 --- a/include/log0recv.ic +++ b/include/log0recv.ic @@ -6,10 +6,7 @@ Recovery Created 9/20/1997 Heikki Tuuri *******************************************************/ -#include "sync0sync.h" -#include "mem0mem.h" -#include "log0log.h" -#include "os0file.h" +#include "univ.i" extern ibool recv_recovery_from_backup_on; diff --git a/include/mtr0log.ic b/include/mtr0log.ic index 98853568f23..20f10167630 100644 --- a/include/mtr0log.ic +++ b/include/mtr0log.ic @@ -191,10 +191,8 @@ mlog_write_initial_log_record_fast( #endif #ifdef UNIV_DEBUG - buf_pool_mutex_enter(); /* We now assume that all x-latched pages have been modified! */ block = (buf_block_t*) buf_block_align(ptr); - buf_pool_mutex_exit(); if (!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)) { diff --git a/include/row0upd.ic b/include/row0upd.ic index 03132455e16..5057a093ce5 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -139,9 +139,7 @@ row_upd_rec_sys_fields( ut_ad(rec_offs_validate(rec, index, offsets)); #ifdef UNIV_SYNC_DEBUG if (!rw_lock_own(&btr_search_latch, RW_LOCK_EX)) { - buf_pool_mutex_enter(); ut_ad(!buf_block_align(rec)->is_hashed); - buf_pool_mutex_exit(); } #endif /* UNIV_SYNC_DEBUG */ diff --git a/include/trx0rec.h b/include/trx0rec.h index 2ba90b3410b..92bb1b0737d 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -13,7 +13,6 @@ Created 3/26/1996 Heikki Tuuri #include "trx0types.h" #include "row0types.h" #include "mtr0mtr.h" -#include "trx0sys.h" #include "dict0types.h" #include "que0types.h" #include "data0data.h" diff --git a/include/trx0sys.ic b/include/trx0sys.ic index 8e255763b1d..e7997a67a3d 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -8,7 +8,6 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" #include "trx0trx.h" -#include "data0type.h" /* The typedef for rseg slot in the file copy */ typedef byte trx_sysf_rseg_t; diff --git a/include/trx0types.h b/include/trx0types.h index e8c41623555..9aee50ae605 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -9,7 +9,6 @@ Created 3/26/1996 Heikki Tuuri #ifndef trx0types_h #define trx0types_h -#include "lock0types.h" #include "ut0byte.h" /* prepare trx_t::id for being printed via printf(3) */ diff --git a/include/ut0ut.h b/include/ut0ut.h index 9a545859c00..afb3ba3ffa4 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -196,6 +196,7 @@ void ut_sprintf_timestamp( /*=================*/ char* buf); /* in: buffer where to sprintf */ +#ifdef UNIV_HOTBACKUP /************************************************************** Sprintfs a timestamp to a buffer with no spaces and with ':' characters replaced by '_'. */ @@ -213,6 +214,7 @@ ut_get_year_month_day( ulint* year, /* out: current year */ ulint* month, /* out: month */ ulint* day); /* out: day */ +#endif /* UNIV_HOTBACKUP */ /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay in microseconds on 100 MHz Pentium + Visual C++. */ diff --git a/log/log0log.c b/log/log0log.c index 64a9c8b78e1..f2be6897a14 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -1782,6 +1782,7 @@ log_group_checkpoint( } } +#ifdef UNIV_HOTBACKUP /********************************************************** Writes info to a buffer of a log group when log files are created in backup restoration. */ @@ -1833,6 +1834,7 @@ log_reset_first_header_and_checkpoint( allocated size in the tablespace, but unfortunately we do not know it here */ } +#endif /* UNIV_HOTBACKUP */ /********************************************************** Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ diff --git a/log/log0recv.c b/log/log0recv.c index 7f3df4eaefc..0f3a8c0946e 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -18,23 +18,14 @@ Created 9/20/1997 Heikki Tuuri #include "buf0rea.h" #include "srv0srv.h" #include "srv0start.h" -#include "mtr0mtr.h" #include "mtr0log.h" -#include "page0page.h" #include "page0cur.h" #include "page0zip.h" -#include "btr0btr.h" #include "btr0cur.h" #include "ibuf0ibuf.h" #include "trx0undo.h" #include "trx0rec.h" #include "trx0roll.h" -#include "btr0cur.h" -#include "btr0cur.h" -#include "btr0cur.h" -#include "dict0boot.h" -#include "fil0fil.h" -#include "sync0sync.h" #include "row0merge.h" #ifdef UNIV_HOTBACKUP @@ -2568,12 +2559,14 @@ recv_recovery_from_checkpoint_finish should be called later to complete the recovery and free the resources used in it. */ UNIV_INTERN ulint -recv_recovery_from_checkpoint_start( -/*================================*/ +recv_recovery_from_checkpoint_start_func( +/*=====================================*/ /* out: error code or DB_SUCCESS */ +#ifdef UNIV_LOG_ARCHIVE ulint type, /* in: LOG_CHECKPOINT or LOG_ARCHIVE */ ib_uint64_t limit_lsn, /* in: recover up to this lsn if possible */ +#endif /* UNIV_LOG_ARCHIVE */ ib_uint64_t min_flushed_lsn,/* in: min flushed lsn from data files */ ib_uint64_t max_flushed_lsn)/* in: max flushed lsn from @@ -2589,14 +2582,20 @@ recv_recovery_from_checkpoint_start( ib_uint64_t group_scanned_lsn; ib_uint64_t contiguous_lsn; ib_uint64_t archived_lsn; - ulint capacity; byte* buf; byte log_hdr_buf[LOG_FILE_HDR_SIZE]; ulint err; +#ifdef UNIV_LOG_ARCHIVE ut_ad(type != LOG_CHECKPOINT || limit_lsn == IB_ULONGLONG_MAX); +# define TYPE_CHECKPOINT (type == LOG_CHECKPOINT) +# define LIMIT_LSN limit_lsn +#else /* UNIV_LOG_ARCHIVE */ +# define TYPE_CHECKPOINT 1 +# define LIMIT_LSN IB_ULONGLONG_MAX +#endif /* UNIV_LOG_ARCHIVE */ - if (type == LOG_CHECKPOINT) { + if (TYPE_CHECKPOINT) { recv_sys_create(); recv_sys_init(FALSE, buf_pool_get_curr_size()); } @@ -2612,7 +2611,7 @@ recv_recovery_from_checkpoint_start( recv_recovery_on = TRUE; - recv_sys->limit_lsn = limit_lsn; + recv_sys->limit_lsn = LIMIT_LSN; mutex_enter(&(log_sys->mutex)); @@ -2679,7 +2678,7 @@ recv_recovery_from_checkpoint_start( } #endif /* UNIV_LOG_ARCHIVE */ - if (type == LOG_CHECKPOINT) { + if (TYPE_CHECKPOINT) { /* Start reading the log groups from the checkpoint lsn up. The variable contiguous_lsn contains an lsn up to which the log is known to be contiguously written to all log groups. */ @@ -2694,7 +2693,12 @@ recv_recovery_from_checkpoint_start( contiguous_lsn = ut_uint64_align_down(recv_sys->scanned_lsn, OS_FILE_LOG_BLOCK_SIZE); - if (type == LOG_ARCHIVE) { + if (TYPE_CHECKPOINT) { + up_to_date_group = max_cp_group; +#ifdef UNIV_LOG_ARCHIVE + } else { + ulint capacity; + /* Try to recover the remaining part from logs: first from the logs of the archived group */ @@ -2727,20 +2731,21 @@ recv_recovery_from_checkpoint_start( group->scanned_lsn = group_scanned_lsn; up_to_date_group = group; - } else { - up_to_date_group = max_cp_group; +#endif /* UNIV_LOG_ARCHIVE */ } ut_ad(RECV_SCAN_SIZE <= log_sys->buf_size); group = UT_LIST_GET_FIRST(log_sys->log_groups); +#ifdef UNIV_LOG_ARCHIVE if ((type == LOG_ARCHIVE) && (group == recv_sys->archive_group)) { group = UT_LIST_GET_NEXT(log_groups, group); } +#endif /* UNIV_LOG_ARCHIVE */ /* Set the flag to publish that we are doing startup scan. */ - recv_log_scan_is_startup_type = (type == LOG_CHECKPOINT); + recv_log_scan_is_startup_type = TYPE_CHECKPOINT; while (group) { old_scanned_lsn = recv_sys->scanned_lsn; @@ -2754,17 +2759,19 @@ recv_recovery_from_checkpoint_start( up_to_date_group = group; } +#ifdef UNIV_LOG_ARCHIVE if ((type == LOG_ARCHIVE) && (group == recv_sys->archive_group)) { group = UT_LIST_GET_NEXT(log_groups, group); } +#endif /* UNIV_LOG_ARCHIVE */ group = UT_LIST_GET_NEXT(log_groups, group); } /* Done with startup scan. Clear the flag. */ recv_log_scan_is_startup_type = FALSE; - if (type == LOG_CHECKPOINT) { + if (TYPE_CHECKPOINT) { /* NOTE: we always do a 'recovery' at startup, but only if there is something wrong we will print a message to the user about recovery: */ @@ -2842,7 +2849,7 @@ recv_recovery_from_checkpoint_start( mutex_exit(&(log_sys->mutex)); - if (recv_sys->recovered_lsn >= limit_lsn) { + if (recv_sys->recovered_lsn >= LIMIT_LSN) { return(DB_SUCCESS); } @@ -2905,6 +2912,9 @@ recv_recovery_from_checkpoint_start( records in the hash table can be run in background. */ return(DB_SUCCESS); + +#undef TYPE_CHECKPOINT +#undef LIMIT_LSN } /************************************************************ diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 36e53930f42..1d92713d702 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -14,8 +14,6 @@ Created 6/9/1994 Heikki Tuuri #include "mach0data.h" #include "buf0buf.h" -#include "btr0sea.h" -#include "srv0srv.h" #include "mem0dbg.c" #include diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 92b917fd829..da474c146bf 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -309,12 +309,7 @@ mtr_memo_contains_page( const byte* ptr, /* in: pointer to buffer frame */ ulint type) /* in: type of object */ { - ibool ret; - - buf_pool_mutex_enter(); - ret = mtr_memo_contains(mtr, buf_block_align(ptr), type); - buf_pool_mutex_exit(); - return(ret); + return(mtr_memo_contains(mtr, buf_block_align(ptr), type)); } /************************************************************* diff --git a/mysql-test/patches/innodb_file_per_table.diff b/mysql-test/patches/innodb_file_per_table.diff index 73dd7d223e4..8b7ae2036c9 100644 --- a/mysql-test/patches/innodb_file_per_table.diff +++ b/mysql-test/patches/innodb_file_per_table.diff @@ -1,6 +1,6 @@ -diff mysql-test/t/innodb_file_per_table_basic.test.orig mysql-test/t/innodb_file_per_table_basic.test ---- mysql-test/t/innodb_file_per_table_basic.test.orig 2008-10-07 11:32:30.000000000 +0300 -+++ mysql-test/t/innodb_file_per_table_basic.test 2008-10-07 11:52:14.000000000 +0300 +diff mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test +--- mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig 2008-10-07 11:32:30.000000000 +0300 ++++ mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test 2008-10-07 11:52:14.000000000 +0300 @@ -37,10 +37,6 @@ # Check if Value can set # #################################################################### @@ -21,9 +21,9 @@ diff mysql-test/t/innodb_file_per_table_basic.test.orig mysql-test/t/innodb_file FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='innodb_file_per_table'; --echo 1 Expected -diff mysql-test/t/innodb_file_per_table_basic.result.orig mysql-test/t/innodb_file_per_table_basic.result ---- mysql-test/r/innodb_file_per_table_basic.result.orig 2008-10-07 11:32:02.000000000 +0300 -+++ mysql-test/r/innodb_file_per_table_basic.result 2008-10-07 11:52:47.000000000 +0300 +diff mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result +--- mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig 2008-10-07 11:32:02.000000000 +0300 ++++ mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result 2008-10-07 11:52:47.000000000 +0300 @@ -4,18 +4,15 @@ 1 1 Expected diff --git a/mysql-test/patches/innodb_lock_wait_timeout.diff b/mysql-test/patches/innodb_lock_wait_timeout.diff index 81fe87f7c0d..bc61a0f5841 100644 --- a/mysql-test/patches/innodb_lock_wait_timeout.diff +++ b/mysql-test/patches/innodb_lock_wait_timeout.diff @@ -1,5 +1,5 @@ ---- mysql-test/t/innodb_lock_wait_timeout_basic.test.orig 2008-08-04 09:28:16.000000000 +0300 -+++ mysql-test/t/innodb_lock_wait_timeout_basic.test 2008-10-07 11:14:15.000000000 +0300 +--- mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test.orig 2008-08-04 09:28:16.000000000 +0300 ++++ mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test 2008-10-07 11:14:15.000000000 +0300 @@ -37,10 +37,6 @@ # Check if Value can set # #################################################################### @@ -25,8 +25,8 @@ SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); --echo 1 Expected ---- mysql-test/r/innodb_lock_wait_timeout_basic.result.orig 2008-08-04 09:27:50.000000000 +0300 -+++ mysql-test/r/innodb_lock_wait_timeout_basic.result 2008-10-07 11:15:14.000000000 +0300 +--- mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result.orig 2008-08-04 09:27:50.000000000 +0300 ++++ mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result 2008-10-07 11:15:14.000000000 +0300 @@ -4,9 +4,6 @@ 1 1 Expected diff --git a/page/page0cur.c b/page/page0cur.c index 2f50e29c736..4ef46d6f9e8 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -12,7 +12,6 @@ Created 10/4/1994 Heikki Tuuri #endif #include "page0zip.h" -#include "rem0cmp.h" #include "mtr0log.h" #include "log0recv.h" #include "rem0cmp.h" diff --git a/ut/ut0ut.c b/ut/ut0ut.c index 1385e728321..adb0df31a82 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -270,6 +270,7 @@ ut_sprintf_timestamp( #endif } +#ifdef UNIV_HOTBACKUP /************************************************************** Sprintfs a timestamp to a buffer with no spaces and with ':' characters replaced by '_'. */ @@ -350,6 +351,7 @@ ut_get_year_month_day( *day = (ulint)cal_tm_ptr->tm_mday; #endif } +#endif /* UNIV_HOTBACKUP */ /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay From 6bf63e000c281f35218dd79ce543748130380f09 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 29 Jan 2009 09:50:23 +0000 Subject: [PATCH 124/400] branches/innodb+: os_aio(): Fix a compilation warning about an unused label when neither WIN_ASYNC_IO nor LINUX_NATIVE_AIO is defined. Add comments to #endif directives. --- os/os0file.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/os/os0file.c b/os/os0file.c index 890fa7f36a6..e68f4582386 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -3768,7 +3768,7 @@ os_aio( struct fil_node_struct * dummy_mess1; void* dummy_mess2; ulint dummy_type; -#endif +#endif /* WIN_ASYNC_IO */ ibool retry; ulint wake_later; @@ -3785,7 +3785,7 @@ os_aio( if (mode == OS_AIO_SYNC #ifdef WIN_ASYNC_IO && !srv_use_native_aio -#endif +#endif /* WIN_ASYNC_IO */ ) { /* This is actually an ordinary synchronous read or write: no need to use an i/o-handler thread. NOTE that if we use @@ -3828,7 +3828,7 @@ try_again: #if defined(LINUX_NATIVE_AIO) /* In Linux native AIO we don't use sync IO array. */ ut_a(!srv_use_native_aio); -#endif +#endif /* LINUX_NATIVE_AIO */ } else { array = NULL; /* Eliminate compiler warning */ ut_error; @@ -3905,11 +3905,13 @@ try_again: goto err_exit; } -#endif +#endif /* WIN_ASYNC_IO */ /* aio was queued successfully! */ return(TRUE); +#if defined LINUX_NATIVE_AIO || defined WIN_ASYNC_IO err_exit: +#endif /* LINUX_NATIVE_AIO || WIN_ASYNC_IO */ os_aio_array_free_slot(array, slot); retry = os_file_handle_error(name, From caae12958920b7f00bef198b913d6521bb0078de Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 29 Jan 2009 09:57:06 +0000 Subject: [PATCH 125/400] branches/innodb+: Merge revisions 4060:4063 from branches/zip: ------------------------------------------------------------------------ r4061 | marko | 2009-01-29 11:27:09 +0200 (Thu, 29 Jan 2009) | 10 lines branches/zip: Port the applicable parts of r4053 from branches/innodb+: [...] ------------------------------------------------------------------------ In the merge of r4053 to branches/zip, some formatting was corrected and a ChangeLog entry was added. Merge these changes back to innodb+. --- ChangeLog | 9 +++++++++ handler/ha_innodb.cc | 8 ++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 63b42f9d6fb..2f90be6f759 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2009-01-29 The InnoDB Team + + * handler/ha_innodb.cc, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, + ibuf/ibuf0ibuf.c: + Implement the settable global variable innodb_change_buffering, + with the allowed values 'none' and 'inserts'. The default value + 'inserts' enables the buffering of inserts to non-unique secondary + index trees when the B-tree leaf page is not in the buffer pool. + 2009-01-27 The InnoDB Team * buf/buf0lru.c: diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 68c6d978831..9b1aff386c8 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -142,7 +142,7 @@ static char* innobase_data_home_dir = NULL; static char* innobase_data_file_path = NULL; static char* innobase_log_group_home_dir = NULL; static char* innobase_file_format_name = NULL; -static char* innobase_change_buffering = NULL; +static char* innobase_change_buffering = NULL; /* Note: This variable can be set to on/off and any of the supported file formats in the configuration file, but can only be set to any @@ -9379,7 +9379,7 @@ registered as a callback with MySQL. */ static int innodb_change_buffering_validate( -/*=====================*/ +/*=============================*/ /* out: 0 for valid innodb_change_buffering */ THD* thd, /* in: thread handle */ @@ -9421,7 +9421,7 @@ value. This function is registered as a callback with MySQL. */ static void innodb_change_buffering_update( -/*===================*/ +/*===========================*/ THD* thd, /* in: thread handle */ struct st_mysql_sys_var* var, /* in: pointer to system variable */ @@ -9432,7 +9432,7 @@ innodb_change_buffering_update( { ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(ibuf_use_t*) save) <= IBUF_USE_ALL); + ut_a((*(ibuf_use_t*) save) <= IBUF_USE_INSERT); ibuf_use = *(const ibuf_use_t*) save; From 9384b65fb7f3da8c25038759992f7397a942ff00 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 30 Jan 2009 10:05:02 +0000 Subject: [PATCH 126/400] branches/innodb+: Revert an accidental change that was made in r4064. --- handler/ha_innodb.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 9b1aff386c8..d97bf8414e0 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -9432,7 +9432,7 @@ innodb_change_buffering_update( { ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(ibuf_use_t*) save) <= IBUF_USE_INSERT); + ut_a((*(ibuf_use_t*) save) <= IBUF_USE_ALL); ibuf_use = *(const ibuf_use_t*) save; From c3853fdade66b8e18fee2274acb77808f51f2b87 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 30 Jan 2009 11:03:11 +0000 Subject: [PATCH 127/400] branches/innodb+: Merge revisions 4063:4070 from branches/zip: ------------------------------------------------------------------------ r4070 | marko | 2009-01-30 12:58:56 +0200 (Fri, 30 Jan 2009) | 6 lines branches/zip: ibuf_use_t: Add the constant IBUF_USE_COUNT, to eliminate a gcc warning about an assertion that trivially holds. The warning was introduced in r4061, in the merge of branches/innodb+ -r4053. ibuf_insert(): Let an assertion fail if ibuf_use is unknown. ------------------------------------------------------------------------ --- handler/ha_innodb.cc | 4 ++-- ibuf/ibuf0ibuf.c | 20 +++++++++++++++----- include/ibuf0ibuf.h | 8 ++++++-- 3 files changed, 23 insertions(+), 9 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index d97bf8414e0..ea0b992da20 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -188,7 +188,7 @@ bool nw_panic = FALSE; #endif /** Allowed values of innodb_change_buffering */ -static const char* innobase_change_buffering_values[IBUF_USE_ALL + 1] = { +static const char* innobase_change_buffering_values[IBUF_USE_COUNT] = { "none", /* IBUF_USE_NONE */ "inserts", /* IBUF_USE_INSERT */ "deletes", /* IBUF_USE_DELETE_MARK */ @@ -9432,7 +9432,7 @@ innodb_change_buffering_update( { ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(ibuf_use_t*) save) <= IBUF_USE_ALL); + ut_a((*(ibuf_use_t*) save) < IBUF_USE_COUNT); ibuf_use = *(const ibuf_use_t*) save; diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 784c3fdb417..93388101da0 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3533,6 +3533,8 @@ ibuf_insert( case IBUF_USE_INSERT: case IBUF_USE_INSERT_DELETE_MARK: case IBUF_USE_ALL: + goto notify; + case IBUF_USE_COUNT: break; } break; @@ -3545,9 +3547,11 @@ ibuf_insert( case IBUF_USE_DELETE: case IBUF_USE_INSERT_DELETE_MARK: case IBUF_USE_ALL: + ut_ad(!no_counter); + goto notify; + case IBUF_USE_COUNT: break; } - ut_ad(!no_counter); break; case IBUF_OP_DELETE: switch (use) { @@ -3558,14 +3562,20 @@ ibuf_insert( case IBUF_USE_DELETE_MARK: case IBUF_USE_DELETE: case IBUF_USE_ALL: + ut_ad(!no_counter); + goto skip_notify; + case IBUF_USE_COUNT: break; } - ut_ad(!no_counter); - goto skip_notify; - default: - ut_error; + break; + case IBUF_OP_COUNT: + break; } + /* unknown op or use */ + ut_error; + +notify: /* If another thread buffers an insert on a page while the purge is in progress, the purge for the same page must not be buffered, because it could remove a record diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 08712097161..d1b8e6ec1b0 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -28,14 +28,18 @@ typedef enum { IBUF_OP_COUNT = 3, } ibuf_op_t; -/** Combinations of operations that can be buffered. */ +/** Combinations of operations that can be buffered. Because the enum +values are used for indexing innobase_change_buffering_values[], they +should start at 0 and there should not be any gaps. */ typedef enum { IBUF_USE_NONE = 0, IBUF_USE_INSERT, /* insert */ IBUF_USE_DELETE_MARK, /* delete */ IBUF_USE_INSERT_DELETE_MARK, /* insert+delete */ IBUF_USE_DELETE, /* delete+purge */ - IBUF_USE_ALL /* insert+delete+purge */ + IBUF_USE_ALL, /* insert+delete+purge */ + + IBUF_USE_COUNT /* number of entries in ibuf_use_t */ } ibuf_use_t; /** Operations that can currently be buffered. */ From 02957eab878a9c642c9d9c06743f97c93efc9349 Mon Sep 17 00:00:00 2001 From: marko <> Date: Fri, 30 Jan 2009 21:45:02 +0000 Subject: [PATCH 128/400] branches/innodb+: Merge revisions 4070:4072 from branches/zip: ------------------------------------------------------------------------ r4072 | marko | 2009-01-30 23:30:29 +0200 (Fri, 30 Jan 2009) | 32 lines branches/zip: Make innodb_adaptive_hash_index settable. btr_search_disabled: Rename to btr_search_enabled and change the type to char, so that it can be directly linked to the MySQL parameters. Note that the variable is protected by btr_search_latch and btr_search_enabled_mutex, a new mutex introduced in this patch. btr_search_enabled_mutex: A new mutex, to protect btr_search_enabled together with btr_search_latch. buf_pool_drop_hash_index(): New function, to be called from btr_search_disable(). btr_search_disable(), btr_search_enable(): Fix bugs. These functions were previously unused. btr_search_guess_on_hash(), btr_search_build_page_hash_index(): Check btr_search_enabled once more, while holding btr_search_latch. btr_cur_search_to_nth_level(): Note that the reads of btr_search_enabled may be dirty and explain why it should not be a problem. innobase_adaptive_hash_index: Remove. The variable btr_search_enabled will be used directly instead. innodb_adaptive_hash_index_update(): New function, an update callback for innodb_adaptive_hash_index. This will call either btr_search_disable() or btr_search_enable() when the value is assigned. The functions will be called even if the value does not appear to be changed, e.g., when setting from TRUE to TRUE or FALSE to FALSE. rb://85 approved by Heikki Tuuri. This addresses Issue #163. ------------------------------------------------------------------------ --- btr/btr0cur.c | 11 ++++-- btr/btr0sea.c | 37 ++++++++++++++++---- buf/buf0buf.c | 82 ++++++++++++++++++++++++++++++++++++++++++++ handler/ha_innodb.cc | 31 +++++++++++++---- include/btr0sea.h | 5 +-- include/buf0buf.h | 9 +++++ include/sync0sync.h | 3 +- sync/sync0sync.c | 1 + 8 files changed, 162 insertions(+), 17 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index cf7db3faf25..73c7647efa9 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -423,7 +423,10 @@ btr_cur_search_to_nth_level( #ifdef PAGE_CUR_LE_OR_EXTENDS && mode != PAGE_CUR_LE_OR_EXTENDS #endif /* PAGE_CUR_LE_OR_EXTENDS */ - && !UNIV_UNLIKELY(btr_search_disabled) + /* If !has_search_latch, we do a dirty read of + btr_search_enabled below, and btr_search_guess_on_hash() + will have to check it again. */ + && UNIV_LIKELY(btr_search_enabled) && btr_search_guess_on_hash(index, info, tuple, mode, latch_mode, cursor, has_search_latch, mtr)) { @@ -714,7 +717,11 @@ retry_page_get: cursor->up_bytes = up_bytes; #ifdef BTR_CUR_ADAPT - if (!UNIV_UNLIKELY(btr_search_disabled)) { + /* We do a dirty read of btr_search_enabled here. We + will properly check btr_search_enabled again in + btr_search_build_page_hash_index() before building a + page hash index, while holding btr_search_latch. */ + if (UNIV_LIKELY(btr_search_enabled)) { btr_search_info_update(index, cursor); } diff --git a/btr/btr0sea.c b/btr/btr0sea.c index afcd46c75b4..688c02b0fad 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -19,8 +19,11 @@ Created 2/17/1996 Heikki Tuuri #include "btr0btr.h" #include "ha0ha.h" -/* Flag: has the search system been disabled? */ -UNIV_INTERN ibool btr_search_disabled = FALSE; +/* Flag: has the search system been enabled? +Protected by btr_search_latch and btr_search_enabled_mutex. */ +UNIV_INTERN char btr_search_enabled = TRUE; + +static mutex_t btr_search_enabled_mutex; /* A dummy variable to fool the compiler */ UNIV_INTERN ulint btr_search_this_is_zero = 0; @@ -139,11 +142,11 @@ btr_search_sys_create( btr_search_latch_temp = mem_alloc(sizeof(rw_lock_t)); rw_lock_create(&btr_search_latch, SYNC_SEARCH_SYS); + mutex_create(&btr_search_enabled_mutex, SYNC_SEARCH_SYS_CONF); btr_search_sys = mem_alloc(sizeof(btr_search_sys_t)); btr_search_sys->hash_index = ha_create(hash_size, 0, 0); - } /************************************************************************ @@ -153,12 +156,20 @@ void btr_search_disable(void) /*====================*/ { - btr_search_disabled = TRUE; + mutex_enter(&btr_search_enabled_mutex); rw_lock_x_lock(&btr_search_latch); - ha_clear(btr_search_sys->hash_index); + btr_search_enabled = FALSE; + + /* Clear all block->is_hashed flags and remove all entries + from btr_search_sys->hash_index. */ + buf_pool_drop_hash_index(); + + /* btr_search_enabled_mutex should guarantee this. */ + ut_ad(!btr_search_enabled); rw_lock_x_unlock(&btr_search_latch); + mutex_exit(&btr_search_enabled_mutex); } /************************************************************************ @@ -168,7 +179,13 @@ void btr_search_enable(void) /*====================*/ { - btr_search_disabled = FALSE; + mutex_enter(&btr_search_enabled_mutex); + rw_lock_x_lock(&btr_search_latch); + + btr_search_enabled = TRUE; + + rw_lock_x_unlock(&btr_search_latch); + mutex_exit(&btr_search_enabled_mutex); } /********************************************************************* @@ -797,6 +814,10 @@ btr_search_guess_on_hash( if (UNIV_LIKELY(!has_search_latch)) { rw_lock_s_lock(&btr_search_latch); + + if (UNIV_UNLIKELY(!btr_search_enabled)) { + goto failure_unlock; + } } ut_ad(btr_search_latch.writer != RW_LOCK_EX); @@ -1301,6 +1322,10 @@ btr_search_build_page_hash_index( rw_lock_x_lock(&btr_search_latch); + if (UNIV_UNLIKELY(!btr_search_enabled)) { + goto exit_func; + } + if (block->is_hashed && ((block->curr_n_fields != n_fields) || (block->curr_n_bytes != n_bytes) || (block->curr_left_side != left_side))) { diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 44d6335e4d3..833daf184bf 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -998,6 +998,88 @@ buf_pool_free(void) buf_pool->n_chunks = 0; } + +/************************************************************************ +Drops the adaptive hash index. To prevent a livelock, this function +is only to be called while holding btr_search_latch and while +btr_search_enabled == FALSE. */ +UNIV_INTERN +void +buf_pool_drop_hash_index(void) +/*==========================*/ +{ + ibool released_search_latch; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(!btr_search_enabled); + + do { + buf_chunk_t* chunks = buf_pool->chunks;; + buf_chunk_t* chunk = chunks + buf_pool->n_chunks; + + released_search_latch = FALSE; + + while (--chunk >= chunks) { + buf_block_t* block = chunk->blocks; + ulint i = chunk->size; + + for (; i--; block++) { + /* block->is_hashed cannot be modified + when we have an x-latch on btr_search_latch; + see the comment in buf0buf.h */ + + if (!block->is_hashed) { + continue; + } + + /* To follow the latching order, we + have to release btr_search_latch + before acquiring block->latch. */ + rw_lock_x_unlock(&btr_search_latch); + /* When we release the search latch, + we must rescan all blocks, because + some may become hashed again. */ + released_search_latch = TRUE; + + rw_lock_x_lock(&block->lock); + + /* This should be guaranteed by the + callers, which will be holding + btr_search_enabled_mutex. */ + ut_ad(!btr_search_enabled); + + /* Because we did not buffer-fix the + block by calling buf_block_get_gen(), + it is possible that the block has been + allocated for some other use after + btr_search_latch was released above. + We do not care which file page the + block is mapped to. All we want to do + is to drop any hash entries referring + to the page. */ + + /* It is possible that + block->page.state != BUF_FILE_PAGE. + Even that does not matter, because + btr_search_drop_page_hash_index() will + check block->is_hashed before doing + anything. block->is_hashed can only + be set on uncompressed file pages. */ + + btr_search_drop_page_hash_index(block); + + rw_lock_x_unlock(&block->lock); + + rw_lock_x_lock(&btr_search_latch); + + ut_ad(!btr_search_enabled); + } + } + } while (released_search_latch); +} + /************************************************************************ Relocate a buffer control block. Relocates the block on the LRU list and in buf_pool->page_hash. Does not relocate bpage->list. diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index ea0b992da20..67f7b3558fe 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -167,7 +167,6 @@ static my_bool innobase_locks_unsafe_for_binlog = FALSE; static my_bool innobase_rollback_on_timeout = FALSE; static my_bool innobase_create_status_file = FALSE; static my_bool innobase_stats_on_metadata = TRUE; -static my_bool innobase_adaptive_hash_index = TRUE; static char* internal_innobase_data_file_path = NULL; @@ -2121,8 +2120,6 @@ innobase_init( srv_max_n_open_files = (ulint) innobase_open_files; srv_innodb_status = (ibool) innobase_create_status_file; - btr_search_disabled = (ibool) !innobase_adaptive_hash_index; - srv_print_verbose_log = mysqld_embedded ? 0 : 1; /* Store the default charset-collation number of this MySQL @@ -9373,6 +9370,28 @@ innodb_file_format_check_update( } } +/******************************************************************** +Update the system variable innodb_adaptive_hash_index using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_adaptive_hash_index_update( +/*==============================*/ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to + system variable */ + void* var_ptr, /* out: where the + formal string goes */ + const void* save) /* in: immediate result + from check function */ +{ + if (*(my_bool*) save) { + btr_search_enable(); + } else { + btr_search_disable(); + } +} + /***************************************************************** Check if it is a valid value of innodb_change_buffering. This function is registered as a callback with MySQL. */ @@ -9563,11 +9582,11 @@ static MYSQL_SYSVAR_ULONGLONG(stats_sample_pages, srv_stats_sample_pages, "The number of index pages to sample when calculating statistics (default 8)", NULL, NULL, 8, 1, ~0ULL, 0); -static MYSQL_SYSVAR_BOOL(adaptive_hash_index, innobase_adaptive_hash_index, - PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, +static MYSQL_SYSVAR_BOOL(adaptive_hash_index, btr_search_enabled, + PLUGIN_VAR_OPCMDARG, "Enable InnoDB adaptive hash index (enabled by default). " "Disable with --skip-innodb-adaptive-hash-index.", - NULL, NULL, TRUE); + NULL, innodb_adaptive_hash_index_update, TRUE); static MYSQL_SYSVAR_ULONG(replication_delay, srv_replication_delay, PLUGIN_VAR_RQCMDARG, diff --git a/include/btr0sea.h b/include/btr0sea.h index fbb6d764a8f..b665b1085ae 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -165,8 +165,9 @@ btr_search_validate(void); /*======================*/ /* out: TRUE if ok */ -/* Flag: has the search system been disabled? */ -extern ibool btr_search_disabled; +/* Flag: has the search system been enabled? +Protected by btr_search_latch and btr_search_enabled_mutex. */ +extern char btr_search_enabled; /* The search info struct in an index */ diff --git a/include/buf0buf.h b/include/buf0buf.h index ad302e5caa7..1046fe241b6 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -97,6 +97,15 @@ void buf_pool_free(void); /*===============*/ +/************************************************************************ +Drops the adaptive hash index. To prevent a livelock, this function +is only to be called while holding btr_search_latch and while +btr_search_enabled == FALSE. */ +UNIV_INTERN +void +buf_pool_drop_hash_index(void); +/*==========================*/ + /************************************************************************ Relocate a buffer control block. Relocates the block on the LRU list and in buf_pool->page_hash. Does not relocate bpage->list. diff --git a/include/sync0sync.h b/include/sync0sync.h index 1af16fd6289..40ac9842905 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -433,7 +433,8 @@ or row lock! */ #define SYNC_TRX_SYS_HEADER 290 #define SYNC_LOG 170 #define SYNC_RECV 168 -#define SYNC_WORK_QUEUE 161 +#define SYNC_WORK_QUEUE 162 +#define SYNC_SEARCH_SYS_CONF 161 /* for assigning btr_search_enabled */ #define SYNC_SEARCH_SYS 160 /* NOTE that if we have a memory heap that can be extended to the buffer pool, its logical level is diff --git a/sync/sync0sync.c b/sync/sync0sync.c index ba716ed9551..d862ee5fa43 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1059,6 +1059,7 @@ sync_thread_add_level( case SYNC_DOUBLEWRITE: case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: + case SYNC_SEARCH_SYS_CONF: case SYNC_TRX_LOCK_HEAP: case SYNC_KERNEL: case SYNC_IBUF_BITMAP_MUTEX: From 40c6857eafcb6a1ac542e308199a0698c263b0b4 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 10 Feb 2009 10:03:42 +0000 Subject: [PATCH 129/400] branches/innodb+: Merge revisions 4072:4150 from branches/zip: ------------------------------------------------------------------------ r4074 | vasil | 2009-01-31 08:05:24 +0200 (Sat, 31 Jan 2009) | 4 lines branches/zip: Adjust the failing patch patches/information_schema.diff. ------------------------------------------------------------------------ r4076 | vasil | 2009-02-02 09:32:04 +0200 (Mon, 02 Feb 2009) | 4 lines branches/zip: Add ChangeLog entry for the change in r4072. ------------------------------------------------------------------------ r4077 | marko | 2009-02-02 10:48:05 +0200 (Mon, 02 Feb 2009) | 2 lines branches/zip: innobase_start_or_create_for_mysql(): Remove a factual error in the function comment. Parameters are not read from a file "srv_init". ------------------------------------------------------------------------ r4081 | marko | 2009-02-02 14:28:17 +0200 (Mon, 02 Feb 2009) | 4 lines branches/zip: Enclose some backup functions in #ifdef UNIV_HOTBACKUP. recv_read_cp_info_for_backup(), recv_scan_log_seg_for_backup(): These functions are only called by InnoDB Hot Backup. ------------------------------------------------------------------------ r4082 | vasil | 2009-02-02 18:24:08 +0200 (Mon, 02 Feb 2009) | 10 lines branches/zip: Fix a mysql-test failure in innodb-zip: main.innodb-zip [ fail ] Test ended at 2009-02-02 18:13:25 CURRENT_TEST: main.innodb-zip mysqltest: At line 160: Found line beginning with -- that didn't contain a valid mysqltest command, check your syntax or use # if you intended to write a comment ------------------------------------------------------------------------ r4083 | vasil | 2009-02-02 18:33:20 +0200 (Mon, 02 Feb 2009) | 6 lines branches/zip: Fix the failing innodb-zip test to restore the environment as it was before the test execution because a newly added feature in the mysql-test framework does check for this. ------------------------------------------------------------------------ r4088 | calvin | 2009-02-03 02:35:56 +0200 (Tue, 03 Feb 2009) | 8 lines branches/zip: fix a compiler error and a warning Both are minor changes: 1) Compiler error introduced in r4072: double ';' at the end. 2) Warning introduced in r3613: \mem\mem0pool.c(481) : warning C4098: 'mem_area_free' : 'void' function returning a value Approved by: Sunny (IM) ------------------------------------------------------------------------ r4098 | marko | 2009-02-03 09:52:45 +0200 (Tue, 03 Feb 2009) | 4 lines branches/zip: mem_area_free(): Correct a bug that was introduced in r4088. free() is not the same as ut_free(). ut_free() pairs with ut_malloc(), not malloc(). free() pairs with malloc() and some other functions. ------------------------------------------------------------------------ r4114 | marko | 2009-02-04 16:09:24 +0200 (Wed, 04 Feb 2009) | 2 lines branches/zip: buf_block_align(): Fix a bogus debug assertion that was introduced in r4036, to address Issue #161. ------------------------------------------------------------------------ r4139 | vasil | 2009-02-09 13:47:16 +0200 (Mon, 09 Feb 2009) | 5 lines branches/zip: Remove mysql-test/patches/bug35261.diff because that bug has been fixed in the MySQL repository. ------------------------------------------------------------------------ r4141 | marko | 2009-02-09 15:35:50 +0200 (Mon, 09 Feb 2009) | 1 line branches/zip: fil_write_lsn_and_arch_no_to_file(): Plug a memory leak. ------------------------------------------------------------------------ r4144 | inaam | 2009-02-10 01:36:25 +0200 (Tue, 10 Feb 2009) | 9 lines branches/zip rb://30 This patch changes the innodb mutexes and rw_locks implementation. On supported platforms it uses GCC builtin atomics. These changes are based on the patch sent by Mark Callaghan of Google under BSD license. More technical discussion can be found at rb://30 Approved by: Heikki ------------------------------------------------------------------------ r4145 | vasil | 2009-02-10 07:34:43 +0200 (Tue, 10 Feb 2009) | 9 lines branches/zip: Non-functional change: Fix a compilation warning introduced in r4144: gcc -DHAVE_CONFIG_H -I. -I../../include -I../../include -I../../include -I../../regex -I../../storage/innobase/include -I../../sql -I. -Werror -Wall -g -MT libinnobase_a-sync0arr.o -MD -MP -MF .deps/libinnobase_a-sync0arr.Tpo -c -o libinnobase_a-sync0arr.o `test -f 'sync/sync0arr.c' || echo './'`sync/sync0arr.c cc1: warnings being treated as errors sync/sync0arr.c: In function 'sync_array_object_signalled': sync/sync0arr.c:869: warning: pointer targets in passing argument 1 of 'os_atomic_increment' differ in signedness ------------------------------------------------------------------------ r4148 | marko | 2009-02-10 10:38:41 +0200 (Tue, 10 Feb 2009) | 12 lines branches/zip: Map ut_malloc(), ut_realloc(), ut_free() to malloc(), realloc(), free() when innodb_use_sys_malloc is set. ut_free_all_mem(): If innodb_use_sys_malloc is set, do nothing, because then ut_mem_block_list_inited will never be set. log_init(): Use mem_alloc() instead of ut_malloc(), so that the memory will be freed. (Tested with Valgrind, although it is not clear why the memory would be freed.) rb://86 approved by Heikki Tuuri and Ken Jacobs. This addresses Issue #168. ------------------------------------------------------------------------ r4149 | marko | 2009-02-10 11:09:15 +0200 (Tue, 10 Feb 2009) | 1 line branches/zip: ChangeLog: Document recent changes. ------------------------------------------------------------------------ r4150 | marko | 2009-02-10 11:51:43 +0200 (Tue, 10 Feb 2009) | 6 lines branches/zip: get_share(), free_share(): Make table locking case sensitive. If lower_case_table_names=1, MySQL will pass the table names in lower case. Thus, we can use a binary comparison (strcmp) in the hash table. rb://87 approved by Heikki Tuuri, to address Bug #41676 and Issue #167. ------------------------------------------------------------------------ --- ChangeLog | 42 +- btr/btr0cur.c | 34 +- btr/btr0sea.c | 37 +- buf/buf0buf.c | 96 +++- fil/fil0fil.c | 2 + handler/ha_innodb.cc | 105 ++-- handler/ha_innodb.h | 4 +- include/buf0buf.ic | 34 +- include/log0recv.h | 2 +- include/os0sync.h | 55 +++ include/os0sync.ic | 67 +++ include/srv0srv.h | 35 +- include/srv0start.h | 3 +- include/sync0rw.h | 182 ++++--- include/sync0rw.ic | 493 +++++++++++------- include/sync0sync.h | 45 +- include/sync0sync.ic | 81 +-- include/univ.i | 39 ++ log/log0log.c | 2 +- log/log0recv.c | 4 + mem/mem0pool.c | 4 +- mysql-test/innodb-zip.result | 3 + mysql-test/innodb-zip.test | 12 +- mysql-test/patches/bug35261.diff | 85 ---- mysql-test/patches/information_schema.diff | 21 +- row/row0sel.c | 36 +- srv/srv0srv.c | 37 ++ srv/srv0start.c | 46 +- sync/sync0arr.c | 145 +++--- sync/sync0rw.c | 550 ++++++++++++--------- sync/sync0sync.c | 93 +++- ut/ut0mem.c | 34 +- 32 files changed, 1668 insertions(+), 760 deletions(-) delete mode 100644 mysql-test/patches/bug35261.diff diff --git a/ChangeLog b/ChangeLog index 2f90be6f759..568cdc39a8c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,40 @@ +2009-02-10 The InnoDB Team + + * handler/ha_innodb.h, handler/ha_innodb.cc: + Fix Bug#41676 Table names are case insensitive in locking + +2009-02-10 The InnoDB Team + + * ut/ut0mem.c: + Map ut_malloc_low(), ut_realloc(), and ut_free() directly to + malloc(), realloc(), and free() when innodb_use_sys_malloc is set. + As a side effect, ut_total_allocated_memory ("Total memory allocated" + in the "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) + will exclude any memory allocated by these functions when + innodb_use_sys_malloc is set. + +2009-02-10 The InnoDB Team + + * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, + include/buf0buf.ic, include/os0sync.h, include/os0sync.ic, + include/srv0srv.h, include/sync0rw.h, include/sync0rw.ic, + include/sync0sync.h, include/sync0sync.ic, include/univ.i, + row/row0sel.c, srv/srv0srv.c, srv/srv0start.c, + sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: + On those platforms that support it, implement the synchronization + primitives of InnoDB mutexes and read/write locks with GCC atomic + builtins instead of Pthreads mutexes and InnoDB mutexes. These + changes are based on a patch supplied by Mark Callaghan of Google + under a BSD license. + +2009-01-30 The InnoDB Team + + * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, + include/btr0sea.h, include/buf0buf.h, include/sync0sync.h, + sync/sync0sync.c: + Make the configuration parameter innodb_adaptive_hash_index dynamic, + so that it can be changed at runtime. + 2009-01-29 The InnoDB Team * handler/ha_innodb.cc, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, @@ -107,7 +144,10 @@ mysql-test/innodb-use-sys-malloc.test: Implement the configuration parameter innodb_use_sys_malloc (false by default), for disabling InnoDB's internal memory allocator - and using system malloc/free instead. + and using system malloc/free instead. The "BUFFER POOL AND MEMORY" + section of SHOW ENGINE INNODB STATUS will report + "in additional pool allocated allocated 0" when + innodb_use_sys_malloc is set. 2008-12-30 The InnoDB Team diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 73c7647efa9..367709a3a36 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -16,6 +16,38 @@ by crashing the database and doing a roll-forward. Created 10/16/1994 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "btr0cur.h" @@ -416,7 +448,7 @@ btr_cur_search_to_nth_level( /* Ibuf does not use adaptive hash; this is prevented by the latch_mode check below. */ - if (btr_search_latch.writer == RW_LOCK_NOT_LOCKED + if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_NOT_LOCKED && latch_mode <= BTR_MODIFY_LEAF && info->last_hash_succ && !estimate diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 688c02b0fad..e56ea75a058 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -6,6 +6,39 @@ The index tree adaptive search Created 2/17/1996 Heikki Tuuri *************************************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ + #include "btr0sea.h" #ifdef UNIV_NONINL #include "btr0sea.ic" @@ -820,8 +853,8 @@ btr_search_guess_on_hash( } } - ut_ad(btr_search_latch.writer != RW_LOCK_EX); - ut_ad(btr_search_latch.reader_count > 0); + ut_ad(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_EX); + ut_ad(rw_lock_get_reader_count(&btr_search_latch) > 0); rec = ha_search_and_get_data(btr_search_sys->hash_index, fold); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 833daf184bf..68abcdec12b 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -19,6 +19,38 @@ The database buffer buf_pool Created 11/5/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "buf0buf.h" @@ -1016,7 +1048,7 @@ buf_pool_drop_hash_index(void) ut_ad(!btr_search_enabled); do { - buf_chunk_t* chunks = buf_pool->chunks;; + buf_chunk_t* chunks = buf_pool->chunks; buf_chunk_t* chunk = chunks + buf_pool->n_chunks; released_search_latch = FALSE; @@ -1924,12 +1956,52 @@ buf_block_align( buf_block_init() so that block[n].frame == block->frame + n * UNIV_PAGE_SIZE. Check it. */ ut_ad(block->frame == page_align(ptr)); - /* The space id and page number should be - stamped on the page. */ - ut_ad(block->page.space - == page_get_space_id(page_align(ptr))); - ut_ad(block->page.offset - == page_get_page_no(page_align(ptr))); +#ifdef UNIV_DEBUG + /* A thread that updates these fields must + hold buf_pool_mutex and block->mutex. Acquire + only the latter. */ + mutex_enter(&block->mutex); + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* These types should only be used in + the compressed buffer pool, whose + memory is allocated from + buf_pool->chunks, in UNIV_PAGE_SIZE + blocks flagged as BUF_BLOCK_MEMORY. */ + ut_error; + break; + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + /* Some data structures contain + "guess" pointers to file pages. The + file pages may have been freed and + reused. Do not complain. */ + break; + case BUF_BLOCK_REMOVE_HASH: + /* buf_LRU_block_remove_hashed_page() + will overwrite the FIL_PAGE_OFFSET and + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID with + 0xff and set the state to + BUF_BLOCK_REMOVE_HASH. */ + ut_ad(page_get_space_id(page_align(ptr)) + == 0xffffffff); + ut_ad(page_get_page_no(page_align(ptr)) + == 0xffffffff); + break; + case BUF_BLOCK_FILE_PAGE: + ut_ad(block->page.space + == page_get_space_id(page_align(ptr))); + ut_ad(block->page.offset + == page_get_page_no(page_align(ptr))); + break; + } + + mutex_exit(&block->mutex); +#endif /* UNIV_DEBUG */ return(block); } @@ -2366,8 +2438,8 @@ buf_page_optimistic_get_func( buf_block_get_page_no(block), NULL)); if (rw_latch == RW_S_LATCH) { - success = rw_lock_s_lock_func_nowait(&(block->lock), - file, line); + success = rw_lock_s_lock_nowait(&(block->lock), + file, line); fix_type = MTR_MEMO_PAGE_S_FIX; } else { success = rw_lock_x_lock_func_nowait(&(block->lock), @@ -2478,8 +2550,8 @@ buf_page_get_known_nowait( ut_ad(!ibuf_inside() || (mode == BUF_KEEP_OLD)); if (rw_latch == RW_S_LATCH) { - success = rw_lock_s_lock_func_nowait(&(block->lock), - file, line); + success = rw_lock_s_lock_nowait(&(block->lock), + file, line); fix_type = MTR_MEMO_PAGE_S_FIX; } else { success = rw_lock_x_lock_func_nowait(&(block->lock), @@ -2556,7 +2628,7 @@ buf_page_try_get_func( mutex_exit(&block->mutex); fix_type = MTR_MEMO_PAGE_S_FIX; - success = rw_lock_s_lock_func_nowait(&block->lock, file, line); + success = rw_lock_s_lock_nowait(&block->lock, file, line); if (!success) { /* Let us try to get an X-latch. If the current thread diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 13935623f9f..73c0f47233c 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -1678,6 +1678,8 @@ fil_write_lsn_and_arch_no_to_file( fil_write(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL); + mem_free(buf1); + return(DB_SUCCESS); } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 67f7b3558fe..04d7297c268 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -13,6 +13,38 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ /* TODO list for the InnoDB handler in 5.0: - Remove the flag trx->active_trans and look at trx->conc_state - fix savepoint functions to use savepoint storage area @@ -466,6 +498,8 @@ static SHOW_VAR innodb_status_variables[]= { (char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG}, {"dblwr_writes", (char*) &export_vars.innodb_dblwr_writes, SHOW_LONG}, + {"have_atomic_builtins", + (char*) &export_vars.innodb_have_atomic_builtins, SHOW_BOOL}, {"log_waits", (char*) &export_vars.innodb_log_waits, SHOW_LONG}, {"log_write_requests", @@ -8045,7 +8079,8 @@ innodb_mutex_show_status( stat_print_fn* stat_print) { char buf1[IO_SIZE], buf2[IO_SIZE]; - mutex_t* mutex; + mutex_t* mutex; + rw_lock_t* lock; #ifdef UNIV_DEBUG ulint rw_lock_count= 0; ulint rw_lock_count_spin_loop= 0; @@ -8116,6 +8151,29 @@ innodb_mutex_show_status( mutex_exit(&mutex_list_mutex); + mutex_enter(&rw_lock_list_mutex); + + lock = UT_LIST_GET_FIRST(rw_lock_list); + + while (lock != NULL) { + if (lock->count_os_wait) { + buf1len= my_snprintf(buf1, sizeof(buf1), "%s:%lu", + lock->cfile_name, (ulong) lock->cline); + buf2len= my_snprintf(buf2, sizeof(buf2), + "os_waits=%lu", lock->count_os_wait); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&rw_lock_list_mutex); + DBUG_RETURN(1); + } + } + lock = UT_LIST_GET_NEXT(list, lock); + } + + mutex_exit(&rw_lock_list_mutex); + #ifdef UNIV_DEBUG buf2len= my_snprintf(buf2, sizeof(buf2), "count=%lu, spin_waits=%lu, spin_rounds=%lu, " @@ -8151,56 +8209,35 @@ bool innobase_show_status(handlerton *hton, THD* thd, } } - /**************************************************************************** Handling the shared INNOBASE_SHARE structure that is needed to provide table locking. ****************************************************************************/ -/**************************************************************************** -Folds a string in system_charset_info. */ -static -ulint -innobase_fold_name( -/*===============*/ - /* out: fold value of the name */ - const uchar* name, /* in: string to be folded */ - size_t length) /* in: length of the name in bytes */ -{ - ulong n1 = 1, n2 = 4; - - system_charset_info->coll->hash_sort(system_charset_info, - name, length, &n1, &n2); - return((ulint) n1); -} - static INNOBASE_SHARE* get_share(const char* table_name) { INNOBASE_SHARE *share; pthread_mutex_lock(&innobase_share_mutex); - uint length=(uint) strlen(table_name); - ulint fold = innobase_fold_name((const uchar*) table_name, length); + ulint fold = ut_fold_string(table_name); HASH_SEARCH(table_name_hash, innobase_open_tables, fold, INNOBASE_SHARE*, share, ut_ad(share->use_count > 0), - !my_strnncoll(system_charset_info, - share->table_name, - share->table_name_length, - (const uchar*) table_name, length)); + !strcmp(share->table_name, table_name)); if (!share) { + uint length = (uint) strlen(table_name); + /* TODO: invoke HASH_MIGRATE if innobase_open_tables grows too big */ share = (INNOBASE_SHARE *) my_malloc(sizeof(*share)+length+1, MYF(MY_FAE | MY_ZEROFILL)); - share->table_name_length = length; - share->table_name = (uchar*) memcpy(share + 1, - table_name, length + 1); + share->table_name = (char*) memcpy(share + 1, + table_name, length + 1); HASH_INSERT(INNOBASE_SHARE, table_name_hash, innobase_open_tables, fold, share); @@ -8221,24 +8258,18 @@ static void free_share(INNOBASE_SHARE* share) #ifdef UNIV_DEBUG INNOBASE_SHARE* share2; - ulint fold = innobase_fold_name(share->table_name, - share->table_name_length); + ulint fold = ut_fold_string(share->table_name); HASH_SEARCH(table_name_hash, innobase_open_tables, fold, INNOBASE_SHARE*, share2, ut_ad(share->use_count > 0), - !my_strnncoll(system_charset_info, - share->table_name, - share->table_name_length, - share2->table_name, - share2->table_name_length)); + !strcmp(share->table_name, share2->table_name)); ut_a(share2 == share); #endif /* UNIV_DEBUG */ if (!--share->use_count) { - ulint fold = innobase_fold_name(share->table_name, - share->table_name_length); + ulint fold = ut_fold_string(share->table_name); HASH_DELETE(INNOBASE_SHARE, table_name_hash, innobase_open_tables, fold, share); diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index e403eff6ddb..b4520c0c9f6 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -27,8 +27,8 @@ typedef struct st_innobase_share { THR_LOCK lock; pthread_mutex_t mutex; - const uchar *table_name; - uint table_name_length,use_count; + const char* table_name; + uint use_count; void* table_name_hash; } INNOBASE_SHARE; diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 171a6b01391..1d6813db3d3 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -5,6 +5,38 @@ The database buffer buf_pool Created 11/5/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "buf0flu.h" #include "buf0lru.h" @@ -851,7 +883,7 @@ buf_block_buf_fix_inc_func( #ifdef UNIV_SYNC_DEBUG ibool ret; - ret = rw_lock_s_lock_func_nowait(&(block->debug_latch), file, line); + ret = rw_lock_s_lock_nowait(&(block->debug_latch), file, line); ut_a(ret); #endif /* UNIV_SYNC_DEBUG */ ut_ad(mutex_own(&block->mutex)); diff --git a/include/log0recv.h b/include/log0recv.h index 878e6eeceb0..330059a675c 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -17,7 +17,6 @@ Created 9/20/1997 Heikki Tuuri #ifdef UNIV_HOTBACKUP extern ibool recv_replay_file_ops; -#endif /* UNIV_HOTBACKUP */ /*********************************************************************** Reads the checkpoint info needed in hot backup. */ @@ -55,6 +54,7 @@ recv_scan_log_seg_for_backup( ulint* n_bytes_scanned);/* out: how much we were able to scan, smaller than buf_len if log data ended here */ +#endif /* UNIV_HOTBACKUP */ /*********************************************************************** Returns TRUE if recovery is currently running. */ UNIV_INLINE diff --git a/include/os0sync.h b/include/os0sync.h index ee25b9fbe87..67d1d7a05f7 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -6,6 +6,38 @@ synchronization primitives. Created 9/6/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifndef os0sync_h #define os0sync_h @@ -261,6 +293,29 @@ os_fast_mutex_free( /*===============*/ os_fast_mutex_t* fast_mutex); /* in: mutex to free */ +#ifdef HAVE_GCC_ATOMIC_BUILTINS +/************************************************************** +Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ +UNIV_INLINE +ibool +os_compare_and_swap( +/*================*/ + /* out: true if swapped */ + volatile lint* ptr, /* in: pointer to target */ + lint oldVal, /* in: value to compare to */ + lint newVal); /* in: value to swap in */ +/************************************************************** +Atomic increment for InnoDB. Currently requires GCC atomic builtins. */ +UNIV_INLINE +lint +os_atomic_increment( +/*================*/ + /* out: resulting value */ + volatile lint* ptr, /* in: pointer to target */ + lint amount); /* in: amount of increment */ + +#endif /* HAVE_GCC_ATOMIC_BUILTINS */ + #ifndef UNIV_NONINL #include "os0sync.ic" #endif diff --git a/include/os0sync.ic b/include/os0sync.ic index 75dea9369c2..16a03f376ad 100644 --- a/include/os0sync.ic +++ b/include/os0sync.ic @@ -5,6 +5,38 @@ The interface to the operating system synchronization primitives. Created 9/6/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifdef __WIN__ #include @@ -44,3 +76,38 @@ os_fast_mutex_trylock( #endif #endif } + +#ifdef HAVE_GCC_ATOMIC_BUILTINS +/************************************************************** +Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ +UNIV_INLINE +ibool +os_compare_and_swap( +/*================*/ + /* out: true if swapped */ + volatile lint* ptr, /* in: pointer to target */ + lint oldVal, /* in: value to compare to */ + lint newVal) /* in: value to swap in */ +{ + if(__sync_bool_compare_and_swap(ptr, oldVal, newVal)) { + return(TRUE); + } + + return(FALSE); +} + +/************************************************************** +Atomic increment for InnoDB. Currently requires GCC atomic builtins. */ +UNIV_INLINE +lint +os_atomic_increment( +/*================*/ + /* out: resulting value */ + volatile lint* ptr, /* in: pointer to target */ + lint amount) /* in: amount of increment */ +{ + lint newVal = __sync_add_and_fetch(ptr, amount); + return newVal; +} + +#endif /* HAVE_GCC_ATOMIC_BUILTINS */ diff --git a/include/srv0srv.h b/include/srv0srv.h index ef18cdffd16..143d0b405f7 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -5,7 +5,38 @@ The server main program Created 10/10/1995 Heikki Tuuri *******************************************************/ - +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifndef srv0srv_h #define srv0srv_h @@ -533,6 +564,7 @@ struct export_var_struct{ ulint innodb_buffer_pool_read_ahead_rnd; ulint innodb_dblwr_pages_written; ulint innodb_dblwr_writes; + ibool innodb_have_atomic_builtins; ulint innodb_log_waits; ulint innodb_log_write_requests; ulint innodb_log_writes; @@ -569,4 +601,3 @@ struct srv_sys_struct{ extern ulint srv_n_threads_active[]; #endif - diff --git a/include/srv0start.h b/include/srv0start.h index b3135807635..6838cf97949 100644 --- a/include/srv0start.h +++ b/include/srv0start.h @@ -65,8 +65,7 @@ srv_add_path_separator_if_needed( char* str); /* in: null-terminated character string */ /******************************************************************** Starts Innobase and creates a new database if database files -are not found and the user wants. Server parameters are -read from a file of name "srv_init" in the ib_home directory. */ +are not found and the user wants. */ UNIV_INTERN int innobase_start_or_create_for_mysql(void); diff --git a/include/sync0rw.h b/include/sync0rw.h index f30a73f2a0d..b56804c82a8 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -5,6 +5,38 @@ The read-write lock (for threads, not for database transactions) Created 9/11/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifndef sync0rw_h #define sync0rw_h @@ -24,6 +56,12 @@ smaller than 30 and the order of the numerical values like below! */ #define RW_X_LATCH 2 #define RW_NO_LATCH 3 +/* We decrement lock_word by this amount for each x_lock. It is also the +start value for the lock_word, meaning that it limits the maximum number +of concurrent read locks before the rw_lock breaks. The current value of +0x00100000 allows 1,048,575 concurrent readers and 2047 recursive writers.*/ +#define X_LOCK_DECR 0x00100000 + typedef struct rw_lock_struct rw_lock_t; #ifdef UNIV_SYNC_DEBUG typedef struct rw_lock_debug_struct rw_lock_debug_t; @@ -47,14 +85,14 @@ extern ibool rw_lock_debug_waiters; /* This is set to TRUE, if there may be waiters for the event */ #endif /* UNIV_SYNC_DEBUG */ -extern ulint rw_s_system_call_count; -extern ulint rw_s_spin_wait_count; -extern ulint rw_s_exit_count; -extern ulint rw_s_os_wait_count; -extern ulint rw_x_system_call_count; -extern ulint rw_x_spin_wait_count; -extern ulint rw_x_os_wait_count; -extern ulint rw_x_exit_count; +extern ib_int64_t rw_s_spin_wait_count; +extern ib_int64_t rw_s_spin_round_count; +extern ib_int64_t rw_s_exit_count; +extern ib_int64_t rw_s_os_wait_count; +extern ib_int64_t rw_x_spin_wait_count; +extern ib_int64_t rw_x_spin_round_count; +extern ib_int64_t rw_x_os_wait_count; +extern ib_int64_t rw_x_exit_count; /********************************************************************** Creates, or rather, initializes an rw-lock object in a specified memory @@ -127,8 +165,22 @@ corresponding function. */ NOTE! The following macros should be used in rw s-locking, not the corresponding function. */ -#define rw_lock_s_lock_nowait(M) rw_lock_s_lock_func_nowait(\ - (M), __FILE__, __LINE__) +#define rw_lock_s_lock_nowait(M, F, L) rw_lock_s_lock_low(\ + (M), 0, (F), (L)) +/********************************************************************** +Low-level function which tries to lock an rw-lock in s-mode. Performs no +spinning. */ +UNIV_INLINE +ibool +rw_lock_s_lock_low( +/*===============*/ + /* out: TRUE if success */ + rw_lock_t* lock, /* in: pointer to rw-lock */ + ulint pass __attribute__((unused)), + /* in: pass value; != 0, if the lock will be + passed to another thread to unlock */ + const char* file_name, /* in: file name where lock requested */ + ulint line); /* in: line where requested */ /********************************************************************** NOTE! Use the corresponding macro, not directly this function, except if you supply the file name and line number. Lock an rw-lock in shared mode @@ -146,18 +198,6 @@ rw_lock_s_lock_func( const char* file_name,/* in: file name where lock requested */ ulint line); /* in: line where requested */ /********************************************************************** -NOTE! Use the corresponding macro, not directly this function, except if -you supply the file name and line number. Lock an rw-lock in shared mode -for the current thread if the lock can be acquired immediately. */ -UNIV_INLINE -ibool -rw_lock_s_lock_func_nowait( -/*=======================*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ - const char* file_name,/* in: file name where lock requested */ - ulint line); /* in: line where requested */ -/********************************************************************** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be obtained immediately. */ @@ -341,6 +381,41 @@ ulint rw_lock_get_reader_count( /*=====================*/ rw_lock_t* lock); +/********************************************************************** +Decrements lock_word the specified amount if it is greater than 0. +This is used by both s_lock and x_lock operations. */ +UNIV_INLINE +ibool +rw_lock_lock_word_decr( +/*===================*/ + /* out: TRUE if decr occurs */ + rw_lock_t* lock, /* in: rw-lock */ + ulint amount); /* in: amount to decrement */ +/********************************************************************** +Increments lock_word the specified amount and returns new value. */ +UNIV_INLINE +lint +rw_lock_lock_word_incr( +/*===================*/ + /* out: TRUE if decr occurs */ + rw_lock_t* lock, + ulint amount); /* in: rw-lock */ +/********************************************************************** +This function sets the lock->writer_thread and lock->recursive fields. +For platforms where we are using atomic builtins instead of lock->mutex +it sets the lock->writer_thread field using atomics to ensure memory +ordering. Note that it is assumed that the caller of this function +effectively owns the lock i.e.: nobody else is allowed to modify +lock->writer_thread at this point in time. +The protocol is that lock->writer_thread MUST be updated BEFORE the +lock->recursive flag is set. */ +UNIV_INLINE +void +rw_lock_set_writer_id_and_recursion_flag( +/*=====================================*/ + rw_lock_t* lock, /* in/out: lock to work on */ + ibool recursive); /* in: TRUE if recursion + allowed */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** Checks if the thread has locked the rw-lock in the specified mode, with @@ -417,44 +492,37 @@ Do not use its fields directly! The structure used in the spin lock implementation of a read-write lock. Several threads may have a shared lock simultaneously in this lock, but only one writer may have an exclusive lock, in which case no shared locks are allowed. To prevent starving of a writer -blocked by readers, a writer may queue for the lock by setting the writer -field. Then no new readers are allowed in. */ +blocked by readers, a writer may queue for x-lock by decrementing lock_word: +no new readers will be let in while the thread waits for readers to exit. */ struct rw_lock_struct { + volatile lint lock_word; + /* Holds the state of the lock. */ + volatile ulint waiters;/* 1: there are waiters */ + volatile ibool recursive;/* Default value FALSE which means the lock + is non-recursive. The value is typically set + to TRUE making normal rw_locks recursive. In + case of asynchronous IO, when a non-zero + value of 'pass' is passed then we keep the + lock non-recursive. + This flag also tells us about the state of + writer_thread field. If this flag is set + then writer_thread MUST contain the thread + id of the current x-holder or wait-x thread. + This flag must be reset in x_unlock + functions before incrementing the lock_word */ + volatile os_thread_id_t writer_thread; + /* Thread id of writer thread. Is only + guaranteed to have sane and non-stale + value iff recursive flag is set. */ os_event_t event; /* Used by sync0arr.c for thread queueing */ - -#ifdef __WIN__ - os_event_t wait_ex_event; /* This windows specific event is - used by the thread which has set the - lock state to RW_LOCK_WAIT_EX. The - rw_lock design guarantees that this - thread will be the next one to proceed - once the current the event gets - signalled. See LEMMA 2 in sync0sync.c */ -#endif - - ulint reader_count; /* Number of readers who have locked this - lock in the shared mode */ - ulint writer; /* This field is set to RW_LOCK_EX if there - is a writer owning the lock (in exclusive - mode), RW_LOCK_WAIT_EX if a writer is - queueing for the lock, and - RW_LOCK_NOT_LOCKED, otherwise. */ - os_thread_id_t writer_thread; - /* Thread id of a possible writer thread */ - ulint writer_count; /* Number of times the same thread has - recursively locked the lock in the exclusive - mode */ + os_event_t wait_ex_event; + /* Event for next-writer to wait on. A thread + must decrement lock_word before waiting. */ +#ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_t mutex; /* The mutex protecting rw_lock_struct */ - ulint pass; /* Default value 0. This is set to some - value != 0 given by the caller of an x-lock - operation, if the x-lock is to be passed to - another thread to unlock (which happens in - asynchronous i/o). */ - ulint waiters; /* This ulint is set to 1 if there are - waiters (readers or writers) in the global - wait array, waiting for this rw_lock. - Otherwise, == 0. */ +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ + UT_LIST_NODE_T(rw_lock_t) list; /* All allocated rw locks are put into a list */ @@ -464,7 +532,9 @@ struct rw_lock_struct { info list of the lock */ ulint level; /* Level in the global latching order. */ #endif /* UNIV_SYNC_DEBUG */ + ulint count_os_wait; /* Count of os_waits. May not be accurate */ const char* cfile_name;/* File name where lock created */ + /* last s-lock file/line is not guaranteed to be correct */ const char* last_s_file_name;/* File name where last s-locked */ const char* last_x_file_name;/* File name where last x-locked */ ibool writer_is_wait_ex; diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 451c477d240..c5c4d71fb3a 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -5,6 +5,38 @@ The read-write lock (for threads) Created 9/11/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ /********************************************************************** Lock an rw-lock in shared mode for the current thread. If the rw-lock is @@ -49,53 +81,88 @@ UNIV_INLINE ulint rw_lock_get_waiters( /*================*/ - rw_lock_t* lock) + /* out: 1 if waiters, 0 otherwise */ + rw_lock_t* lock) /* in: rw-lock */ { return(lock->waiters); } + +/************************************************************************ +Sets lock->waiters to 1. It is not an error if lock->waiters is already +1. On platforms where ATOMIC builtins are used this function enforces a +memory barrier. */ UNIV_INLINE void -rw_lock_set_waiters( -/*================*/ - rw_lock_t* lock, - ulint flag) +rw_lock_set_waiter_flag( +/*====================*/ + rw_lock_t* lock) /* in: rw-lock */ { - lock->waiters = flag; +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_compare_and_swap((lint*)&(lock->waiters), 0, 1); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + lock->waiters = 1; +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } + +/************************************************************************ +Resets lock->waiters to 0. It is not an error if lock->waiters is already +0. On platforms where ATOMIC builtins are used this function enforces a +memory barrier. */ +UNIV_INLINE +void +rw_lock_reset_waiter_flag( +/*======================*/ + rw_lock_t* lock) /* in: rw-lock */ +{ +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_compare_and_swap((lint*)&(lock->waiters), 1, 0); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + lock->waiters = 0; +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/********************************************************************** +Returns the write-status of the lock - this function made more sense +with the old rw_lock implementation. */ UNIV_INLINE ulint rw_lock_get_writer( /*===============*/ rw_lock_t* lock) { - return(lock->writer); -} -UNIV_INLINE -void -rw_lock_set_writer( -/*===============*/ - rw_lock_t* lock, - ulint flag) -{ - lock->writer = flag; + lint lock_word = lock->lock_word; + if(lock_word > 0) { + /* return NOT_LOCKED in s-lock state, like the writer + member of the old lock implementation. */ + return(RW_LOCK_NOT_LOCKED); + } else if (((-lock_word) % X_LOCK_DECR) == 0) { + return(RW_LOCK_EX); + } else { + ut_ad(lock_word > -X_LOCK_DECR); + return(RW_LOCK_WAIT_EX); + } } + +/********************************************************************** +Returns number of readers. */ UNIV_INLINE ulint rw_lock_get_reader_count( /*=====================*/ rw_lock_t* lock) { - return(lock->reader_count); -} -UNIV_INLINE -void -rw_lock_set_reader_count( -/*=====================*/ - rw_lock_t* lock, - ulint count) -{ - lock->reader_count = count; + lint lock_word = lock->lock_word; + if(lock_word > 0) { + /* s-locked, no x-waiters */ + return(X_LOCK_DECR - lock_word); + } else if (lock_word < 0 && lock_word > -X_LOCK_DECR) { + /* s-locked, with x-waiters */ + return((ulint)(-lock_word)); + } + return(0); } + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS UNIV_INLINE mutex_t* rw_lock_get_mutex( @@ -104,6 +171,7 @@ rw_lock_get_mutex( { return(&(lock->mutex)); } +#endif /********************************************************************** Returns the value of writer_count for the lock. Does not reserve the lock @@ -115,7 +183,127 @@ rw_lock_get_x_lock_count( /* out: value of writer_count */ rw_lock_t* lock) /* in: rw-lock */ { - return(lock->writer_count); + lint lock_copy = lock->lock_word; + /* If there is a reader, lock_word is not divisible by X_LOCK_DECR */ + if(lock_copy > 0 || (-lock_copy) % X_LOCK_DECR != 0) { + return(0); + } + return(((-lock_copy) / X_LOCK_DECR) + 1); +} + +/********************************************************************** +Two different implementations for decrementing the lock_word of a rw_lock: +one for systems supporting atomic operations, one for others. This does +does not support recusive x-locks: they should be handled by the caller and +need not be atomic since they are performed by the current lock holder. +Returns true if the decrement was made, false if not. */ +UNIV_INLINE +ibool +rw_lock_lock_word_decr( +/*===================*/ + /* out: TRUE if decr occurs */ + rw_lock_t* lock, /* in: rw-lock */ + ulint amount) /* in: amount of decrement */ +{ + +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + + lint local_lock_word = lock->lock_word; + while (local_lock_word > 0) { + if(os_compare_and_swap(&(lock->lock_word), + local_lock_word, + local_lock_word - amount)) { + return(TRUE); + } + local_lock_word = lock->lock_word; + } + return(FALSE); + +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + + ibool success = FALSE; + mutex_enter(&(lock->mutex)); + if(lock->lock_word > 0) { + lock->lock_word -= amount; + success = TRUE; + } + mutex_exit(&(lock->mutex)); + return(success); + +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/********************************************************************** +Two different implementations for incrementing the lock_word of a rw_lock: +one for systems supporting atomic operations, one for others. +Returns the value of lock_word after increment. */ +UNIV_INLINE +lint +rw_lock_lock_word_incr( +/*===================*/ + /* out: lock->lock_word after increment */ + rw_lock_t* lock, /* in: rw-lock */ + ulint amount) /* in: amount of increment */ +{ + +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + + return(os_atomic_increment(&(lock->lock_word), amount)); + +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + + lint local_lock_word; + + mutex_enter(&(lock->mutex)); + + lock->lock_word += amount; + local_lock_word = lock->lock_word; + + mutex_exit(&(lock->mutex)); + + return(local_lock_word); + +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/********************************************************************** +This function sets the lock->writer_thread and lock->recursive fields. +For platforms where we are using atomic builtins instead of lock->mutex +it sets the lock->writer_thread field using atomics to ensure memory +ordering. Note that it is assumed that the caller of this function +effectively owns the lock i.e.: nobody else is allowed to modify +lock->writer_thread at this point in time. +The protocol is that lock->writer_thread MUST be updated BEFORE the +lock->recursive flag is set. */ +UNIV_INLINE +void +rw_lock_set_writer_id_and_recursion_flag( +/*=====================================*/ + rw_lock_t* lock, /* in/out: lock to work on */ + ibool recursive) /* in: TRUE if recursion + allowed */ +{ + os_thread_id_t curr_thread = os_thread_get_curr_id(); + + ut_ad(lock); + +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + + os_thread_id_t local_thread = lock->writer_thread; + ibool success = os_compare_and_swap((lint*)&(lock->writer_thread), + (lint)local_thread, + (lint)curr_thread); + ut_a(success); + lock->recursive = recursive; + +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + + mutex_enter(&lock->mutex); + lock->writer_thread = curr_thread; + lock->recursive = recursive; + mutex_exit(&lock->mutex); + +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } /********************************************************************** @@ -133,25 +321,21 @@ rw_lock_s_lock_low( const char* file_name, /* in: file name where lock requested */ ulint line) /* in: line where requested */ { - ut_ad(mutex_own(rw_lock_get_mutex(lock))); - - /* Check if the writer field is free */ - - if (UNIV_LIKELY(lock->writer == RW_LOCK_NOT_LOCKED)) { - /* Set the shared lock by incrementing the reader count */ - lock->reader_count++; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_SHARED, file_name, - line); -#endif - lock->last_s_file_name = file_name; - lock->last_s_line = line; - - return(TRUE); /* locking succeeded */ + /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ + if (!rw_lock_lock_word_decr(lock, 1)) { + /* Locking did not succeed */ + return(FALSE); } - return(FALSE); /* locking did not succeed */ +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_SHARED, file_name, line); +#endif + /* These debugging values are not set safely: they may be incorrect + or even refer to a line that is invalid for the file name. */ + lock->last_s_file_name = file_name; + lock->last_s_line = line; + + return(TRUE); /* locking succeeded */ } /********************************************************************** @@ -166,11 +350,10 @@ rw_lock_s_lock_direct( const char* file_name, /* in: file name where requested */ ulint line) /* in: line where lock requested */ { - ut_ad(lock->writer == RW_LOCK_NOT_LOCKED); - ut_ad(rw_lock_get_reader_count(lock) == 0); + ut_ad(lock->lock_word == X_LOCK_DECR); - /* Set the shared lock by incrementing the reader count */ - lock->reader_count++; + /* Indicate there is a new reader by decrementing lock_word */ + lock->lock_word--; lock->last_s_file_name = file_name; lock->last_s_line = line; @@ -193,13 +376,11 @@ rw_lock_x_lock_direct( ulint line) /* in: line where lock requested */ { ut_ad(rw_lock_validate(lock)); - ut_ad(rw_lock_get_reader_count(lock) == 0); - ut_ad(rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED); + ut_ad(lock->lock_word == X_LOCK_DECR); - rw_lock_set_writer(lock, RW_LOCK_EX); + lock->lock_word -= X_LOCK_DECR; lock->writer_thread = os_thread_get_curr_id(); - lock->writer_count++; - lock->pass = 0; + lock->recursive = TRUE; lock->last_x_file_name = file_name; lock->last_x_line = line; @@ -240,15 +421,12 @@ rw_lock_s_lock_func( ut_ad(!rw_lock_own(lock, RW_LOCK_SHARED)); /* see NOTE above */ #endif /* UNIV_SYNC_DEBUG */ - mutex_enter(rw_lock_get_mutex(lock)); - - if (UNIV_LIKELY(rw_lock_s_lock_low(lock, pass, file_name, line))) { - mutex_exit(rw_lock_get_mutex(lock)); + /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ + if (rw_lock_s_lock_low(lock, pass, file_name, line)) { return; /* Success */ } else { /* Did not succeed, try spin wait */ - mutex_exit(rw_lock_get_mutex(lock)); rw_lock_s_lock_spin(lock, pass, file_name, line); @@ -256,43 +434,6 @@ rw_lock_s_lock_func( } } -/********************************************************************** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in shared mode for the current thread if the lock can be acquired -immediately. */ -UNIV_INLINE -ibool -rw_lock_s_lock_func_nowait( -/*=======================*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ -{ - ibool success = FALSE; - - mutex_enter(rw_lock_get_mutex(lock)); - - if (lock->writer == RW_LOCK_NOT_LOCKED) { - /* Set the shared lock by incrementing the reader count */ - lock->reader_count++; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, 0, RW_LOCK_SHARED, file_name, - line); -#endif - - lock->last_s_file_name = file_name; - lock->last_s_line = line; - - success = TRUE; - } - - mutex_exit(rw_lock_get_mutex(lock)); - - return(success); -} - /********************************************************************** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be @@ -306,38 +447,49 @@ rw_lock_x_lock_func_nowait( const char* file_name,/* in: file name where lock requested */ ulint line) /* in: line where requested */ { - ibool success = FALSE; os_thread_id_t curr_thread = os_thread_get_curr_id(); - mutex_enter(rw_lock_get_mutex(lock)); - if (UNIV_UNLIKELY(rw_lock_get_reader_count(lock) != 0)) { - } else if (UNIV_LIKELY(rw_lock_get_writer(lock) - == RW_LOCK_NOT_LOCKED)) { - rw_lock_set_writer(lock, RW_LOCK_EX); - lock->writer_thread = curr_thread; - lock->pass = 0; -relock: - lock->writer_count++; + ibool success; +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + success = os_compare_and_swap(&(lock->lock_word), X_LOCK_DECR, 0); +#else + + success = FALSE; + mutex_enter(&(lock->mutex)); + if (lock->lock_word == X_LOCK_DECR) { + lock->lock_word = 0; + success = TRUE; + } + mutex_exit(&(lock->mutex)); + +#endif + if (success) { + rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); + + } else if (lock->recursive && + os_thread_eq(lock->writer_thread, curr_thread)) { + /* Relock: this lock_word modification is safe since no other + threads can modify (lock, unlock, or reserve) lock_word while + there is an exclusive writer and this is the writer thread. */ + lock->lock_word -= X_LOCK_DECR; + + ut_ad(((-lock->lock_word) % X_LOCK_DECR) == 0); + + } else { + /* Failure */ + return(FALSE); + } #ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); + rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); #endif - lock->last_x_file_name = file_name; - lock->last_x_line = line; - - success = TRUE; - } else if (rw_lock_get_writer(lock) == RW_LOCK_EX - && lock->pass == 0 - && os_thread_eq(lock->writer_thread, curr_thread)) { - goto relock; - } - - mutex_exit(rw_lock_get_mutex(lock)); + lock->last_x_file_name = file_name; + lock->last_x_line = line; ut_ad(rw_lock_validate(lock)); - return(success); + return(TRUE); } /********************************************************************** @@ -353,39 +505,21 @@ rw_lock_s_unlock_func( #endif ) { - mutex_t* mutex = &(lock->mutex); - ibool sg = FALSE; - - /* Acquire the mutex protecting the rw-lock fields */ - mutex_enter(mutex); - - /* Reset the shared lock by decrementing the reader count */ - - ut_a(lock->reader_count > 0); - lock->reader_count--; + ut_ad((lock->lock_word % X_LOCK_DECR) != 0); #ifdef UNIV_SYNC_DEBUG rw_lock_remove_debug_info(lock, pass, RW_LOCK_SHARED); #endif - /* If there may be waiters and this was the last s-lock, - signal the object */ + /* Increment lock_word to indicate 1 less reader */ + if (rw_lock_lock_word_incr(lock, 1) == 0) { - if (UNIV_UNLIKELY(lock->waiters) - && lock->reader_count == 0) { - sg = TRUE; - - rw_lock_set_waiters(lock, 0); - } - - mutex_exit(mutex); - - if (UNIV_UNLIKELY(sg)) { -#ifdef __WIN__ + /* wait_ex waiter exists. It may not be asleep, but we signal + anyway. We do not wake other waiters, because they can't + exist without wait_ex waiter and wait_ex waiter goes first.*/ os_event_set(lock->wait_ex_event); -#endif - os_event_set(lock->event); sync_array_object_signalled(sync_primary_wait_array); + } ut_ad(rw_lock_validate(lock)); @@ -404,16 +538,15 @@ rw_lock_s_unlock_direct( /*====================*/ rw_lock_t* lock) /* in: rw-lock */ { - /* Reset the shared lock by decrementing the reader count */ - - ut_ad(lock->reader_count > 0); - - lock->reader_count--; + ut_ad(lock->lock_word < X_LOCK_DECR); #ifdef UNIV_SYNC_DEBUG rw_lock_remove_debug_info(lock, 0, RW_LOCK_SHARED); #endif + /* Decrease reader count by incrementing lock_word */ + lock->lock_word++; + ut_ad(!lock->waiters); ut_ad(rw_lock_validate(lock)); #ifdef UNIV_SYNC_PERF_STAT @@ -434,42 +567,32 @@ rw_lock_x_unlock_func( #endif ) { - ibool sg = FALSE; + ut_ad((lock->lock_word % X_LOCK_DECR) == 0); - /* Acquire the mutex protecting the rw-lock fields */ - mutex_enter(&(lock->mutex)); - - /* Reset the exclusive lock if this thread no longer has an x-mode - lock */ - - ut_ad(lock->writer_count > 0); - - lock->writer_count--; - - if (lock->writer_count == 0) { - rw_lock_set_writer(lock, RW_LOCK_NOT_LOCKED); + /* lock->recursive flag also indicates if lock->writer_thread is + valid or stale. If we are the last of the recursive callers + then we must unset lock->recursive flag to indicate that the + lock->writer_thread is now stale. + Note that since we still hold the x-lock we can safely read the + lock_word. */ + if (lock->lock_word == 0) { + /* Last caller in a possible recursive chain. */ + lock->recursive = FALSE; } #ifdef UNIV_SYNC_DEBUG rw_lock_remove_debug_info(lock, pass, RW_LOCK_EX); #endif - /* If there may be waiters, signal the lock */ - if (UNIV_UNLIKELY(lock->waiters) - && lock->writer_count == 0) { - - sg = TRUE; - rw_lock_set_waiters(lock, 0); - } - - mutex_exit(&(lock->mutex)); - - if (UNIV_UNLIKELY(sg)) { -#ifdef __WIN__ - os_event_set(lock->wait_ex_event); -#endif - os_event_set(lock->event); - sync_array_object_signalled(sync_primary_wait_array); + if (rw_lock_lock_word_incr(lock, X_LOCK_DECR) == X_LOCK_DECR) { + /* Lock is now free. May have to signal read/write waiters. + We do not need to signal wait_ex waiters, since they cannot + exist when there is a writer. */ + if (lock->waiters) { + rw_lock_reset_waiter_flag(lock); + os_event_set(lock->event); + sync_array_object_signalled(sync_primary_wait_array); + } } ut_ad(rw_lock_validate(lock)); @@ -481,7 +604,7 @@ rw_lock_x_unlock_func( /********************************************************************** Releases an exclusive mode lock when we know there are no waiters, and -none else will access the lock durint the time this function is executed. */ +none else will access the lock during the time this function is executed. */ UNIV_INLINE void rw_lock_x_unlock_direct( @@ -491,18 +614,18 @@ rw_lock_x_unlock_direct( /* Reset the exclusive lock if this thread no longer has an x-mode lock */ - ut_ad(lock->writer_count > 0); - - lock->writer_count--; - - if (lock->writer_count == 0) { - rw_lock_set_writer(lock, RW_LOCK_NOT_LOCKED); - } + ut_ad((lock->lock_word % X_LOCK_DECR) == 0); #ifdef UNIV_SYNC_DEBUG rw_lock_remove_debug_info(lock, 0, RW_LOCK_EX); #endif + if (lock->lock_word == 0) { + lock->recursive = FALSE; + } + + lock->lock_word += X_LOCK_DECR; + ut_ad(!lock->waiters); ut_ad(rw_lock_validate(lock)); diff --git a/include/sync0sync.h b/include/sync0sync.h index 40ac9842905..efa8b2cf5ad 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -5,6 +5,38 @@ Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifndef sync0sync_h #define sync0sync_h @@ -237,7 +269,7 @@ mutex_n_reserved(void); NOT to be used outside this module except in debugging! Gets the value of the lock word. */ UNIV_INLINE -ulint +byte mutex_get_lock_word( /*================*/ const mutex_t* mutex); /* in: mutex */ @@ -463,9 +495,11 @@ implementation of a mutual exclusion semaphore. */ struct mutex_struct { os_event_t event; /* Used by sync0arr.c for the wait queue */ - ulint lock_word; /* This ulint is the target of the atomic - test-and-set instruction in Win32 */ -#if defined WIN32 && defined UNIV_CAN_USE_X86_ASSEMBLER + byte lock_word; /* This byte is the target of the atomic + test-and-set instruction in Win32 and + x86 32/64 with GCC 4.1.0 or later version */ +#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) #else os_fast_mutex_t os_fast_mutex; /* In other systems we use this OS mutex @@ -519,8 +553,7 @@ to 20 microseconds. */ /* The number of system calls made in this module. Intended for performance monitoring. */ -extern ulint mutex_system_call_count; -extern ulint mutex_exit_count; +extern ib_int64_t mutex_exit_count; #ifdef UNIV_SYNC_DEBUG /* Latching order checks start when this is set TRUE */ diff --git a/include/sync0sync.ic b/include/sync0sync.ic index 5c08ed3e175..e857fda6efb 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -5,16 +5,38 @@ Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri *******************************************************/ - -#if defined(not_defined) && defined(__GNUC__) && defined(UNIV_INTEL_X86) -/* %z0: Use the size of operand %0 which in our case is *m to determine -instruction size, it should end up as xchgl. "1" in the input constraint, -says that "in" has to go in the same place as "out".*/ -#define TAS(m, in, out) \ - asm volatile ("xchg%z0 %2, %0" \ - : "=g" (*(m)), "=r" (out) \ - : "1" (in)) /* Note: "1" here refers to "=r" (out) */ -#endif +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ /********************************************************************** Sets the waiters field in a mutex. */ @@ -59,7 +81,7 @@ mutex_signal_object( Performs an atomic test-and-set instruction to the lock_word field of a mutex. */ UNIV_INLINE -ulint +byte mutex_test_and_set( /*===============*/ /* out: the previous value of lock_word: 0 or @@ -67,18 +89,18 @@ mutex_test_and_set( mutex_t* mutex) /* in: mutex */ { #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) - ulint res; - ulint* lw; /* assembler code is used to ensure that + byte res; + byte* lw; /* assembler code is used to ensure that lock_word is loaded from memory */ ut_ad(mutex); - ut_ad(sizeof(ulint) == 4); + ut_ad(sizeof(byte) == 1); lw = &(mutex->lock_word); __asm MOV ECX, lw __asm MOV EDX, 1 - __asm XCHG EDX, DWORD PTR [ECX] - __asm MOV res, EDX + __asm XCHG DL, BYTE PTR [ECX] + __asm MOV res, DL /* The fence below would prevent this thread from reading the data structure protected by the mutex @@ -98,12 +120,8 @@ mutex_test_and_set( /* mutex_fence(); */ return(res); -#elif defined(not_defined) && defined(__GNUC__) && defined(UNIV_INTEL_X86) - ulint res; - - TAS(&mutex->lock_word, 1, res); - - return(res); +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) + return __sync_lock_test_and_set(&(mutex->lock_word), 1); #else ibool ret; @@ -117,7 +135,7 @@ mutex_test_and_set( mutex->lock_word = 1; } - return(ret); + return((byte)ret); #endif } @@ -131,7 +149,7 @@ mutex_reset_lock_word( mutex_t* mutex) /* in: mutex */ { #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) - ulint* lw; /* assembler code is used to ensure that + byte* lw; /* assembler code is used to ensure that lock_word is loaded from memory */ ut_ad(mutex); @@ -139,11 +157,12 @@ mutex_reset_lock_word( __asm MOV EDX, 0 __asm MOV ECX, lw - __asm XCHG EDX, DWORD PTR [ECX] -#elif defined(not_defined) && defined(__GNUC__) && defined(UNIV_INTEL_X86) - ulint res; - - TAS(&mutex->lock_word, 0, res); + __asm XCHG DL, BYTE PTR [ECX] +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) + /* In theory __sync_lock_release should be used to release the lock. + Unfortunately, it does not work properly alone. The workaround is + that more conservative __sync_lock_test_and_set is used instead. */ + __sync_lock_test_and_set(&(mutex->lock_word), 0); #else mutex->lock_word = 0; @@ -154,12 +173,12 @@ mutex_reset_lock_word( /********************************************************************** Gets the value of the lock word. */ UNIV_INLINE -ulint +byte mutex_get_lock_word( /*================*/ const mutex_t* mutex) /* in: mutex */ { - const volatile ulint* ptr; /* declared volatile to ensure that + const volatile byte* ptr; /* declared volatile to ensure that lock_word is loaded from memory */ ut_ad(mutex); diff --git a/include/univ.i b/include/univ.i index f879b235c2c..fd5cb6c5dc6 100644 --- a/include/univ.i +++ b/include/univ.i @@ -5,6 +5,38 @@ Version control for database, common definitions, and include files Created 1/20/1994 Heikki Tuuri ****************************************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #ifndef univ_i #define univ_i @@ -90,6 +122,13 @@ of the 32-bit x86 assembler in mutex operations. */ # define UNIV_CAN_USE_X86_ASSEMBLER # endif +/* For InnoDB rw_locks to work with atomics we need the thread_id +to be no more than machine word wide. The following enables using +atomics for InnoDB rw_locks where these conditions are met. */ +# if defined(HAVE_GCC_ATOMIC_BUILTINS) && defined(UNIV_LINUX) +# define INNODB_RW_LOCKS_USE_ATOMICS +# endif + /* We only try to do explicit inlining of functions with gcc and Microsoft Visual C++ */ diff --git a/log/log0log.c b/log/log0log.c index f2be6897a14..7997a25f8f6 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -739,7 +739,7 @@ log_init(void) ut_a(LOG_BUFFER_SIZE >= 16 * OS_FILE_LOG_BLOCK_SIZE); ut_a(LOG_BUFFER_SIZE >= 4 * UNIV_PAGE_SIZE); - buf = ut_malloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); + buf = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); log_sys->buf = ut_align(buf, OS_FILE_LOG_BLOCK_SIZE); log_sys->buf_size = LOG_BUFFER_SIZE; diff --git a/log/log0recv.c b/log/log0recv.c index 0f3a8c0946e..e3a4c5d1696 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -591,6 +591,7 @@ not_consistent: return(DB_SUCCESS); } +#ifdef UNIV_HOTBACKUP /*********************************************************************** Reads the checkpoint info needed in hot backup. */ UNIV_INTERN @@ -661,6 +662,7 @@ recv_read_cp_info_for_backup( return(TRUE); } +#endif /* UNIV_HOTBACKUP */ /********************************************************** Checks the 4-byte checksum to the trailer checksum field of a log block. @@ -698,6 +700,7 @@ log_block_checksum_is_ok_or_old_format( return(FALSE); } +#ifdef UNIV_HOTBACKUP /*********************************************************************** Scans the log segment and n_bytes_scanned is set to the length of valid log scanned. */ @@ -787,6 +790,7 @@ recv_scan_log_seg_for_backup( } } } +#endif /* UNIV_HOTBACKUP */ /*********************************************************************** Tries to parse a single log record body and also applies it to a page if diff --git a/mem/mem0pool.c b/mem/mem0pool.c index 4f26ec560bf..60feb5008f6 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -478,7 +478,9 @@ mem_area_free( ulint n; if (srv_use_sys_malloc) { - return(free(ptr)); + free(ptr); + + return; } /* It may be that the area was really allocated from the OS with diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index c81401743a5..fab681c5ed3 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -419,3 +419,6 @@ select @@innodb_file_format_check; @@innodb_file_format_check Barracuda drop table normal_table, zip_table; +set global innodb_file_format=Antelope; +set global innodb_file_per_table=0; +set global innodb_file_format_check=Antelope; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index b1eb809edaa..9867af89e73 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -2,6 +2,7 @@ let $per_table=`select @@innodb_file_per_table`; let $format=`select @@innodb_file_format`; +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; set global innodb_file_per_table=off; set global innodb_file_format=`0`; @@ -157,7 +158,8 @@ set global innodb_file_format=`1a`; set global innodb_file_format=``; #test strict mode. ---enable_errors +# this does not work anymore, has been removed from mysqltest +# -- enable_errors set global innodb_file_per_table = on; set global innodb_file_format = `1`; @@ -330,3 +332,11 @@ show table status; select @@innodb_file_format_check; drop table normal_table, zip_table; -- disable_result_log + +# +# restore environment to the state it was before this test execution +# + +eval set global innodb_file_format=$format; +eval set global innodb_file_per_table=$per_table; +eval set global innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/patches/bug35261.diff b/mysql-test/patches/bug35261.diff deleted file mode 100644 index 4b849776e8d..00000000000 --- a/mysql-test/patches/bug35261.diff +++ /dev/null @@ -1,85 +0,0 @@ ---- mysql-test/t/date_formats.test.orig 2007-06-15 02:53:07.000000000 +0300 -+++ mysql-test/t/date_formats.test 2008-03-19 17:25:10.000000000 +0200 -@@ -7,9 +7,15 @@ - --enable_warnings - - --replace_result ROW STATEMENT MIXED --SHOW GLOBAL VARIABLES LIKE "%e_format"; -+SELECT variable_name, variable_value -+FROM information_schema.global_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; - --replace_result ROW STATEMENT MIXED --SHOW SESSION VARIABLES LIKE "%e_format"; -+SELECT variable_name, variable_value -+FROM information_schema.session_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; - - # - # Test setting a lot of different formats to see which formats are accepted and -@@ -37,7 +43,10 @@ - set datetime_format= '%h:%i:%s.%f %p %Y-%m-%d'; - - --replace_result ROW STATEMENT MIXED --SHOW SESSION VARIABLES LIKE "%e_format"; -+SELECT variable_name, variable_value -+FROM information_schema.session_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; - - --error 1231 - SET time_format='%h:%i:%s'; ---- mysql-test/r/date_formats.result.orig 2008-02-12 21:09:14.000000000 +0200 -+++ mysql-test/r/date_formats.result 2008-03-19 17:26:33.000000000 +0200 -@@ -1,14 +1,20 @@ - drop table if exists t1; --SHOW GLOBAL VARIABLES LIKE "%e_format"; --Variable_name Value --date_format %d.%m.%Y --datetime_format %Y-%m-%d %H:%i:%s --time_format %H.%i.%s --SHOW SESSION VARIABLES LIKE "%e_format"; --Variable_name Value --date_format %d.%m.%Y --datetime_format %Y-%m-%d %H:%i:%s --time_format %H.%i.%s -+SELECT variable_name, variable_value -+FROM information_schema.global_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; -+variable_name variable_value -+DATETIME_FORMAT %Y-%m-%d %H:%i:%s -+DATE_FORMAT %d.%m.%Y -+TIME_FORMAT %H.%i.%s -+SELECT variable_name, variable_value -+FROM information_schema.session_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; -+variable_name variable_value -+DATETIME_FORMAT %Y-%m-%d %H:%i:%s -+DATE_FORMAT %d.%m.%Y -+TIME_FORMAT %H.%i.%s - SET time_format='%H%i%s'; - SET time_format='%H:%i:%s.%f'; - SET time_format='%h-%i-%s.%f%p'; -@@ -26,11 +32,14 @@ - set datetime_format= '%H:%i:%s.%f %m-%d-%Y'; - set datetime_format= '%h:%i:%s %p %Y-%m-%d'; - set datetime_format= '%h:%i:%s.%f %p %Y-%m-%d'; --SHOW SESSION VARIABLES LIKE "%e_format"; --Variable_name Value --date_format %m-%d-%Y --datetime_format %h:%i:%s.%f %p %Y-%m-%d --time_format %h:%i:%s%p -+SELECT variable_name, variable_value -+FROM information_schema.session_variables -+WHERE variable_name IN ('date_format', 'datetime_format', 'time_format') -+ORDER BY variable_name; -+variable_name variable_value -+DATETIME_FORMAT %h:%i:%s.%f %p %Y-%m-%d -+DATE_FORMAT %m-%d-%Y -+TIME_FORMAT %h:%i:%s%p - SET time_format='%h:%i:%s'; - ERROR 42000: Variable 'time_format' can't be set to the value of '%h:%i:%s' - SET time_format='%H %i:%s'; diff --git a/mysql-test/patches/information_schema.diff b/mysql-test/patches/information_schema.diff index 31237197a45..a3a21f7a08d 100644 --- a/mysql-test/patches/information_schema.diff +++ b/mysql-test/patches/information_schema.diff @@ -1,7 +1,6 @@ -diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema.result ---- mysql-test/r/information_schema.result.orig 2008-08-04 09:27:49.000000000 +0300 -+++ mysql-test/r/information_schema.result 2008-10-07 11:21:51.000000000 +0300 -@@ -64,6 +64,13 @@ +--- mysql-test/r/information_schema.result.orig 2009-01-31 03:38:50.000000000 +0200 ++++ mysql-test/r/information_schema.result 2009-01-31 07:51:58.000000000 +0200 +@@ -71,6 +71,13 @@ TRIGGERS USER_PRIVILEGES VIEWS @@ -15,7 +14,7 @@ diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema columns_priv db event -@@ -795,6 +802,8 @@ +@@ -799,6 +806,8 @@ TABLES UPDATE_TIME datetime TABLES CHECK_TIME datetime TRIGGERS CREATED datetime @@ -24,16 +23,16 @@ diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema event execute_at datetime event last_executed datetime event starts datetime -@@ -848,7 +857,7 @@ +@@ -852,7 +861,7 @@ flush privileges; - SELECT table_schema, count(*) FROM information_schema.TABLES where table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA; + SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA; table_schema count(*) -information_schema 28 +information_schema 35 mysql 22 create table t1 (i int, j int); create trigger trg1 before insert on t1 for each row -@@ -1263,6 +1272,13 @@ +@@ -1267,6 +1276,13 @@ TRIGGERS TRIGGER_SCHEMA USER_PRIVILEGES GRANTEE VIEWS TABLE_SCHEMA @@ -47,7 +46,7 @@ diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema SELECT t.table_name, c1.column_name FROM information_schema.tables t INNER JOIN -@@ -1306,6 +1322,13 @@ +@@ -1310,6 +1326,13 @@ TRIGGERS TRIGGER_SCHEMA USER_PRIVILEGES GRANTEE VIEWS TABLE_SCHEMA @@ -58,10 +57,10 @@ diff mysql-test/r/information_schema.result.orig mysql-test/r/information_schema +INNODB_CMPMEM page_size +INNODB_CMP page_size +INNODB_LOCKS lock_id - SELECT MAX(table_name) FROM information_schema.tables; + SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test'); MAX(table_name) VIEWS -@@ -1382,6 +1405,13 @@ +@@ -1386,6 +1409,13 @@ FILES information_schema.FILES 1 GLOBAL_STATUS information_schema.GLOBAL_STATUS 1 GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1 diff --git a/row/row0sel.c b/row/row0sel.c index 8d40c6c44ed..c4725f33cd1 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -5,6 +5,38 @@ Select Created 12/19/1997 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "row0sel.h" @@ -1339,7 +1371,7 @@ table_loop: rw_lock_s_lock(&btr_search_latch); search_latch_locked = TRUE; - } else if (btr_search_latch.writer_is_wait_ex) { + } else if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_WAIT_EX) { /* There is an x-latch request waiting: release the s-latch for a moment; as an s-latch here is often @@ -3364,7 +3396,7 @@ row_search_for_mysql( /* PHASE 0: Release a possible s-latch we are holding on the adaptive hash index latch if there is someone waiting behind */ - if (UNIV_UNLIKELY(btr_search_latch.writer != RW_LOCK_NOT_LOCKED) + if (UNIV_UNLIKELY(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_NOT_LOCKED) && trx->has_search_latch) { /* There is an x-latch request on the adaptive hash index: diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 4e6d633ebf8..bfd677f1706 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -24,6 +24,38 @@ thread library. This might confuse NT though. Created 10/8/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ /* Dummy comment */ #include "srv0srv.h" @@ -1828,6 +1860,11 @@ srv_export_innodb_status(void) export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size - UT_LIST_GET_LEN(buf_pool->LRU) - UT_LIST_GET_LEN(buf_pool->free); +#ifdef HAVE_GCC_ATOMIC_BUILTINS + export_vars.innodb_have_atomic_builtins = 1; +#else + export_vars.innodb_have_atomic_builtins = 0; +#endif export_vars.innodb_page_size = UNIV_PAGE_SIZE; export_vars.innodb_log_waits = srv_log_waits; export_vars.innodb_os_log_written = srv_os_log_written; diff --git a/srv/srv0start.c b/srv/srv0start.c index 28c40989ddf..e1096e73054 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -5,6 +5,38 @@ Starts the InnoDB database server Created 2/16/1996 Heikki Tuuri *************************************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "os0proc.h" #include "sync0sync.h" @@ -956,8 +988,7 @@ skip_size_check: /******************************************************************** Starts InnoDB and creates a new database if database files -are not found and the user wants. Server parameters are -read from a file of name "srv_init" in the ib_home directory. */ +are not found and the user wants. */ UNIV_INTERN int innobase_start_or_create_for_mysql(void) @@ -1053,6 +1084,17 @@ innobase_start_or_create_for_mysql(void) "InnoDB: The InnoDB memory heap is disabled\n"); } +#ifdef HAVE_GCC_ATOMIC_BUILTINS +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + fprintf(stderr, + "InnoDB: Mutex and rw_lock use GCC atomic builtins.\n"); +#else + fprintf(stderr, + "InnoDB: Mutex use GCC atomic builtins.\n"); +#endif + +#endif + /* Since InnoDB does not currently clean up all its internal data structures in MySQL Embedded Server Library server_end(), we print an error message if someone tries to start up InnoDB a diff --git a/sync/sync0arr.c b/sync/sync0arr.c index c24e19a8378..2897846f2de 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -5,6 +5,38 @@ The wait array used in synchronization primitives Created 9/5/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "sync0arr.h" #ifdef UNIV_NONINL @@ -295,25 +327,21 @@ sync_array_validate( } /*********************************************************************** -Puts the cell event in reset state. */ +Returns the event that the thread owning the cell waits for. */ static -ib_int64_t -sync_cell_event_reset( -/*==================*/ - /* out: value of signal_count - at the time of reset. */ - ulint type, /* in: lock type mutex/rw_lock */ - void* object) /* in: the rw_lock/mutex object */ +os_event_t +sync_cell_get_event( +/*================*/ + sync_cell_t* cell) /* in: non-empty sync array cell */ { + ulint type = cell->request_type; + if (type == SYNC_MUTEX) { - return(os_event_reset(((mutex_t *) object)->event)); -#ifdef __WIN__ + return(((mutex_t *) cell->wait_object)->event); } else if (type == RW_LOCK_WAIT_EX) { - return(os_event_reset( - ((rw_lock_t *) object)->wait_ex_event)); -#endif - } else { - return(os_event_reset(((rw_lock_t *) object)->event)); + return(((rw_lock_t *) cell->wait_object)->wait_ex_event); + } else { /* RW_LOCK_SHARED and RW_LOCK_EX wait on the same event */ + return(((rw_lock_t *) cell->wait_object)->event); } } @@ -332,6 +360,7 @@ sync_array_reserve_cell( ulint* index) /* out: index of the reserved cell */ { sync_cell_t* cell; + os_event_t event; ulint i; ut_a(object); @@ -370,8 +399,8 @@ sync_array_reserve_cell( /* Make sure the event is reset and also store the value of signal_count at which the event was reset. */ - cell->signal_count = sync_cell_event_reset(type, - object); + event = sync_cell_get_event(cell); + cell->signal_count = os_event_reset(event); cell->reservation_time = time(NULL); @@ -411,19 +440,7 @@ sync_array_wait_event( ut_a(!cell->waiting); ut_ad(os_thread_get_curr_id() == cell->thread); - if (cell->request_type == SYNC_MUTEX) { - event = ((mutex_t*) cell->wait_object)->event; -#ifdef __WIN__ - /* On windows if the thread about to wait is the one which - has set the state of the rw_lock to RW_LOCK_WAIT_EX, then - it waits on a special event i.e.: wait_ex_event. */ - } else if (cell->request_type == RW_LOCK_WAIT_EX) { - event = ((rw_lock_t*) cell->wait_object)->wait_ex_event; -#endif - } else { - event = ((rw_lock_t*) cell->wait_object)->event; - } - + event = sync_cell_get_event(cell); cell->waiting = TRUE; #ifdef UNIV_SYNC_DEBUG @@ -462,6 +479,7 @@ sync_array_cell_print( mutex_t* mutex; rw_lock_t* rwlock; ulint type; + ulint writer; type = cell->request_type; @@ -491,9 +509,7 @@ sync_array_cell_print( (ulong) mutex->waiters); } else if (type == RW_LOCK_EX -#ifdef __WIN__ || type == RW_LOCK_WAIT_EX -#endif || type == RW_LOCK_SHARED) { fputs(type == RW_LOCK_EX ? "X-lock on" : "S-lock on", file); @@ -504,22 +520,25 @@ sync_array_cell_print( " RW-latch at %p created in file %s line %lu\n", (void*) rwlock, rwlock->cfile_name, (ulong) rwlock->cline); - if (rwlock->writer != RW_LOCK_NOT_LOCKED) { + writer = rw_lock_get_writer(rwlock); + if (writer != RW_LOCK_NOT_LOCKED) { fprintf(file, "a writer (thread id %lu) has" " reserved it in mode %s", (ulong) os_thread_pf(rwlock->writer_thread), - rwlock->writer == RW_LOCK_EX + writer == RW_LOCK_EX ? " exclusive\n" : " wait exclusive\n"); } fprintf(file, - "number of readers %lu, waiters flag %lu\n" + "number of readers %lu, waiters flag %lu, " + "lock_word: %lx\n" "Last time read locked in file %s line %lu\n" "Last time write locked in file %s line %lu\n", - (ulong) rwlock->reader_count, + (ulong) rw_lock_get_reader_count(rwlock), (ulong) rwlock->waiters, + rwlock->lock_word, rwlock->last_s_file_name, (ulong) rwlock->last_s_line, rwlock->last_x_file_name, @@ -778,28 +797,30 @@ sync_arr_cell_can_wake_up( return(TRUE); } - } else if (cell->request_type == RW_LOCK_EX - || cell->request_type == RW_LOCK_WAIT_EX) { + } else if (cell->request_type == RW_LOCK_EX) { lock = cell->wait_object; - if (rw_lock_get_reader_count(lock) == 0 - && rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED) { + if (lock->lock_word > 0) { + /* Either unlocked or only read locked. */ return(TRUE); } - if (rw_lock_get_reader_count(lock) == 0 - && rw_lock_get_writer(lock) == RW_LOCK_WAIT_EX - && os_thread_eq(lock->writer_thread, cell->thread)) { + } else if (cell->request_type == RW_LOCK_WAIT_EX) { + + lock = cell->wait_object; + + /* lock_word == 0 means all readers have left */ + if (lock->lock_word == 0) { return(TRUE); } - } else if (cell->request_type == RW_LOCK_SHARED) { lock = cell->wait_object; - if (rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED) { + /* lock_word > 0 means no writer or reserved writer */ + if (lock->lock_word > 0) { return(TRUE); } @@ -844,11 +865,15 @@ sync_array_object_signalled( /*========================*/ sync_array_t* arr) /* in: wait array */ { +#ifdef HAVE_GCC_ATOMIC_BUILTINS + os_atomic_increment((lint*) &arr->sg_count, 1); +#else sync_array_enter(arr); arr->sg_count++; sync_array_exit(arr); +#endif } /************************************************************************** @@ -868,6 +893,7 @@ sync_arr_wake_threads_if_sema_free(void) sync_cell_t* cell; ulint count; ulint i; + os_event_t event; sync_array_enter(arr); @@ -877,36 +903,20 @@ sync_arr_wake_threads_if_sema_free(void) while (count < arr->n_reserved) { cell = sync_array_get_nth_cell(arr, i); + i++; - if (cell->wait_object != NULL) { - + if (cell->wait_object == NULL) { + continue; + } count++; if (sync_arr_cell_can_wake_up(cell)) { - if (cell->request_type == SYNC_MUTEX) { - mutex_t* mutex; + event = sync_cell_get_event(cell); - mutex = cell->wait_object; - os_event_set(mutex->event); -#ifdef __WIN__ - } else if (cell->request_type - == RW_LOCK_WAIT_EX) { - rw_lock_t* lock; - - lock = cell->wait_object; - os_event_set(lock->wait_ex_event); -#endif - } else { - rw_lock_t* lock; - - lock = cell->wait_object; - os_event_set(lock->event); - } - } + os_event_set(event); } - i++; } sync_array_exit(arr); @@ -1026,4 +1036,3 @@ sync_array_print_info( sync_array_exit(arr); } - diff --git a/sync/sync0rw.c b/sync/sync0rw.c index fbd47911810..7b675cc537d 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -5,6 +5,38 @@ The read-write lock (for thread synchronization) Created 9/11/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "sync0rw.h" #ifdef UNIV_NONINL @@ -15,35 +47,125 @@ Created 9/11/1995 Heikki Tuuri #include "mem0mem.h" #include "srv0srv.h" -/* number of system calls made during shared latching */ -UNIV_INTERN ulint rw_s_system_call_count = 0; +/* + IMPLEMENTATION OF THE RW_LOCK + ============================= +The status of a rw_lock is held in lock_word. The initial value of lock_word is +X_LOCK_DECR. lock_word is decremented by 1 for each s-lock and by X_LOCK_DECR +for each x-lock. This describes the lock state for each value of lock_word: + +lock_word == X_LOCK_DECR: Unlocked. +0 < lock_word < X_LOCK_DECR: Read locked, no waiting writers. + (X_LOCK_DECR - lock_word) is the + number of readers that hold the lock. +lock_word == 0: Write locked +-X_LOCK_DECR < lock_word < 0: Read locked, with a waiting writer. + (-lock_word) is the number of readers + that hold the lock. +lock_word <= -X_LOCK_DECR: Recursively write locked. lock_word has been + decremented by X_LOCK_DECR once for each lock, + so the number of locks is: + ((-lock_word) / X_LOCK_DECR) + 1 +When lock_word <= -X_LOCK_DECR, we also know that lock_word % X_LOCK_DECR == 0: +other values of lock_word are invalid. + +The lock_word is always read and updated atomically and consistently, so that +it always represents the state of the lock, and the state of the lock changes +with a single atomic operation. This lock_word holds all of the information +that a thread needs in order to determine if it is eligible to gain the lock +or if it must spin or sleep. The one exception to this is that writer_thread +must be verified before recursive write locks: to solve this scenario, we make +writer_thread readable by all threads, but only writeable by the x-lock holder. + +The other members of the lock obey the following rules to remain consistent: + +recursive: This and the writer_thread field together control the + behaviour of recursive x-locking. + lock->recursive must be FALSE in following states: + 1) The writer_thread contains garbage i.e.: the + lock has just been initialized. + 2) The lock is not x-held and there is no + x-waiter waiting on WAIT_EX event. + 3) The lock is x-held or there is an x-waiter + waiting on WAIT_EX event but the 'pass' value + is non-zero. + lock->recursive is TRUE iff: + 1) The lock is x-held or there is an x-waiter + waiting on WAIT_EX event and the 'pass' value + is zero. + This flag must be set after the writer_thread field + has been updated with a memory ordering barrier. + It is unset before the lock_word has been incremented. +writer_thread: Is used only in recursive x-locking. Can only be safely + read iff lock->recursive flag is TRUE. + This field is uninitialized at lock creation time and + is updated atomically when x-lock is acquired or when + move_ownership is called. A thread is only allowed to + set the value of this field to it's thread_id i.e.: a + thread cannot set writer_thread to some other thread's + id. +waiters: May be set to 1 anytime, but to avoid unnecessary wake-up + signals, it should only be set to 1 when there are threads + waiting on event. Must be 1 when a writer starts waiting to + ensure the current x-locking thread sends a wake-up signal + during unlock. May only be reset to 0 immediately before a + a wake-up signal is sent to event. On most platforms, a + memory barrier is required after waiters is set, and before + verifying lock_word is still held, to ensure some unlocker + really does see the flags new value. +event: Threads wait on event for read or writer lock when another + thread has an x-lock or an x-lock reservation (wait_ex). A + thread may only wait on event after performing the following + actions in order: + (1) Record the counter value of event (with os_event_reset). + (2) Set waiters to 1. + (3) Verify lock_word <= 0. + (1) must come before (2) to ensure signal is not missed. + (2) must come before (3) to ensure a signal is sent. + These restrictions force the above ordering. + Immediately before sending the wake-up signal, we should: + (1) Verify lock_word == X_LOCK_DECR (unlocked) + (2) Reset waiters to 0. +wait_ex_event: A thread may only wait on the wait_ex_event after it has + performed the following actions in order: + (1) Decrement lock_word by X_LOCK_DECR. + (2) Record counter value of wait_ex_event (os_event_reset, + called from sync_array_reserve_cell). + (3) Verify that lock_word < 0. + (1) must come first to ensures no other threads become reader + or next writer, and notifies unlocker that signal must be sent. + (2) must come before (3) to ensure the signal is not missed. + These restrictions force the above ordering. + Immediately before sending the wake-up signal, we should: + Verify lock_word == 0 (waiting thread holds x_lock) +*/ + /* number of spin waits on rw-latches, resulted during shared (read) locks */ -UNIV_INTERN ulint rw_s_spin_wait_count = 0; +UNIV_INTERN ib_int64_t rw_s_spin_wait_count = 0; +UNIV_INTERN ib_int64_t rw_s_spin_round_count = 0; /* number of OS waits on rw-latches, resulted during shared (read) locks */ -UNIV_INTERN ulint rw_s_os_wait_count = 0; +UNIV_INTERN ib_int64_t rw_s_os_wait_count = 0; /* number of unlocks (that unlock shared locks), set only when UNIV_SYNC_PERF_STAT is defined */ -UNIV_INTERN ulint rw_s_exit_count = 0; - -/* number of system calls made during exclusive latching */ -UNIV_INTERN ulint rw_x_system_call_count = 0; +UNIV_INTERN ib_int64_t rw_s_exit_count = 0; /* number of spin waits on rw-latches, resulted during exclusive (write) locks */ -UNIV_INTERN ulint rw_x_spin_wait_count = 0; +UNIV_INTERN ib_int64_t rw_x_spin_wait_count = 0; +UNIV_INTERN ib_int64_t rw_x_spin_round_count = 0; /* number of OS waits on rw-latches, resulted during exclusive (write) locks */ -UNIV_INTERN ulint rw_x_os_wait_count = 0; +UNIV_INTERN ib_int64_t rw_x_os_wait_count = 0; /* number of unlocks (that unlock exclusive locks), set only when UNIV_SYNC_PERF_STAT is defined */ -UNIV_INTERN ulint rw_x_exit_count = 0; +UNIV_INTERN ib_int64_t rw_x_exit_count = 0; /* The global list of rw-locks */ UNIV_INTERN rw_lock_list_t rw_lock_list; @@ -114,11 +236,12 @@ rw_lock_create_func( const char* cmutex_name, /* in: mutex name */ #endif /* UNIV_DEBUG */ const char* cfile_name, /* in: file name where created */ - ulint cline) /* in: file line where created */ + ulint cline) /* in: file line where created */ { /* If this is the very first time a synchronization object is created, then the following call initializes the sync system. */ +#ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK); lock->mutex.cfile_name = cfile_name; @@ -129,12 +252,19 @@ rw_lock_create_func( lock->mutex.mutex_type = 1; #endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ - rw_lock_set_waiters(lock, 0); - rw_lock_set_writer(lock, RW_LOCK_NOT_LOCKED); - lock->writer_count = 0; - rw_lock_set_reader_count(lock, 0); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ +#ifdef UNIV_DEBUG + UT_NOT_USED(cmutex_name); +#endif +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ - lock->writer_is_wait_ex = FALSE; + lock->lock_word = X_LOCK_DECR; + lock->waiters = 0; + + /* We set this value to signify that lock->writer_thread + contains garbage at initialization and cannot be used for + recursive x-locking. */ + lock->recursive = FALSE; #ifdef UNIV_SYNC_DEBUG UT_LIST_INIT(lock->debug_list); @@ -147,15 +277,13 @@ rw_lock_create_func( lock->cfile_name = cfile_name; lock->cline = (unsigned int) cline; + lock->count_os_wait = 0; lock->last_s_file_name = "not yet reserved"; lock->last_x_file_name = "not yet reserved"; lock->last_s_line = 0; lock->last_x_line = 0; lock->event = os_event_create(NULL); - -#ifdef __WIN__ lock->wait_ex_event = os_event_create(NULL); -#endif mutex_enter(&rw_lock_list_mutex); @@ -180,20 +308,18 @@ rw_lock_free( rw_lock_t* lock) /* in: rw-lock */ { ut_ad(rw_lock_validate(lock)); - ut_a(rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED); - ut_a(rw_lock_get_waiters(lock) == 0); - ut_a(rw_lock_get_reader_count(lock) == 0); + ut_a(lock->lock_word == X_LOCK_DECR); lock->magic_n = 0; +#ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_free(rw_lock_get_mutex(lock)); +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ mutex_enter(&rw_lock_list_mutex); os_event_free(lock->event); -#ifdef __WIN__ os_event_free(lock->wait_ex_event); -#endif if (UT_LIST_GET_PREV(list, lock)) { ut_a(UT_LIST_GET_PREV(list, lock)->magic_n == RW_LOCK_MAGIC_N); @@ -219,19 +345,12 @@ rw_lock_validate( { ut_a(lock); - mutex_enter(rw_lock_get_mutex(lock)); + ulint waiters = rw_lock_get_waiters(lock); + lint lock_word = lock->lock_word; ut_a(lock->magic_n == RW_LOCK_MAGIC_N); - ut_a((rw_lock_get_reader_count(lock) == 0) - || (rw_lock_get_writer(lock) != RW_LOCK_EX)); - ut_a((rw_lock_get_writer(lock) == RW_LOCK_EX) - || (rw_lock_get_writer(lock) == RW_LOCK_WAIT_EX) - || (rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED)); - ut_a((rw_lock_get_waiters(lock) == 0) - || (rw_lock_get_waiters(lock) == 1)); - ut_a((lock->writer != RW_LOCK_EX) || (lock->writer_count > 0)); - - mutex_exit(rw_lock_get_mutex(lock)); + ut_a(waiters == 0 || waiters == 1); + ut_a(lock_word > -X_LOCK_DECR ||(-lock_word) % X_LOCK_DECR == 0); return(TRUE); } @@ -253,18 +372,15 @@ rw_lock_s_lock_spin( ulint line) /* in: line where requested */ { ulint index; /* index of the reserved wait cell */ - ulint i; /* spin round count */ + ulint i = 0; /* spin round count */ ut_ad(rw_lock_validate(lock)); + rw_s_spin_wait_count++; /* Count calls to this function */ lock_loop: - rw_s_spin_wait_count++; /* Spin waiting for the writer field to become free */ - i = 0; - - while (rw_lock_get_writer(lock) != RW_LOCK_NOT_LOCKED - && i < SYNC_SPIN_ROUNDS) { + while (i < SYNC_SPIN_ROUNDS && lock->lock_word <= 0) { if (srv_spin_wait_delay) { ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); } @@ -285,28 +401,32 @@ lock_loop: lock->cfile_name, (ulong) lock->cline, (ulong) i); } - mutex_enter(rw_lock_get_mutex(lock)); - /* We try once again to obtain the lock */ - if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { - mutex_exit(rw_lock_get_mutex(lock)); + rw_s_spin_round_count += i; return; /* Success */ } else { - /* If we get here, locking did not succeed, we may - suspend the thread to wait in the wait array */ - rw_s_system_call_count++; + if (i < SYNC_SPIN_ROUNDS) { + goto lock_loop; + } + + rw_s_spin_round_count += i; sync_array_reserve_cell(sync_primary_wait_array, lock, RW_LOCK_SHARED, file_name, line, &index); - rw_lock_set_waiters(lock, 1); + /* Set waiters before checking lock_word to ensure wake-up + signal is sent. This may lead to some unnecessary signals. */ + rw_lock_set_waiter_flag(lock); - mutex_exit(rw_lock_get_mutex(lock)); + if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { + sync_array_free_cell(sync_primary_wait_array, index); + return; /* Success */ + } if (srv_print_latch_waits) { fprintf(stderr, @@ -317,11 +437,13 @@ lock_loop: (ulong) lock->cline); } - rw_s_system_call_count++; + /* these stats may not be accurate */ + lock->count_os_wait++; rw_s_os_wait_count++; sync_array_wait_event(sync_primary_wait_array, index); + i = 0; goto lock_loop; } } @@ -343,113 +465,130 @@ rw_lock_x_lock_move_ownership( { ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX)); - mutex_enter(&(lock->mutex)); + rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); +} - lock->writer_thread = os_thread_get_curr_id(); +/********************************************************************** +Function for the next writer to call. Waits for readers to exit. +The caller must have already decremented lock_word by X_LOCK_DECR.*/ +UNIV_INLINE +void +rw_lock_x_lock_wait( +/*================*/ + rw_lock_t* lock, /* in: pointer to rw-lock */ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /* in: pass value; != 0, if the lock will + be passed to another thread to unlock */ +#endif + const char* file_name,/* in: file name where lock requested */ + ulint line) /* in: line where requested */ +{ + ulint index; + ulint i = 0; - lock->pass = 0; + ut_ad(lock->lock_word <= 0); - mutex_exit(&(lock->mutex)); + while (lock->lock_word < 0) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); + } + if(i < SYNC_SPIN_ROUNDS) { + i++; + continue; + } + + /* If there is still a reader, then go to sleep.*/ + rw_x_spin_round_count += i; + i = 0; + sync_array_reserve_cell(sync_primary_wait_array, + lock, + RW_LOCK_WAIT_EX, + file_name, line, + &index); + /* Check lock_word to ensure wake-up isn't missed.*/ + if(lock->lock_word < 0) { + + /* these stats may not be accurate */ + lock->count_os_wait++; + rw_x_os_wait_count++; + + /* Add debug info as it is needed to detect possible + deadlock. We must add info for WAIT_EX thread for + deadlock detection to work properly. */ +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_WAIT_EX, + file_name, line); +#endif + + sync_array_wait_event(sync_primary_wait_array, + index); +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, pass, + RW_LOCK_WAIT_EX); +#endif + /* It is possible to wake when lock_word < 0. + We must pass the while-loop check to proceed.*/ + } else { + sync_array_free_cell(sync_primary_wait_array, + index); + } + } + rw_x_spin_round_count += i; } /********************************************************************** Low-level function for acquiring an exclusive lock. */ UNIV_INLINE -ulint +ibool rw_lock_x_lock_low( /*===============*/ /* out: RW_LOCK_NOT_LOCKED if did - not succeed, RW_LOCK_EX if success, - RW_LOCK_WAIT_EX, if got wait reservation */ + not succeed, RW_LOCK_EX if success. */ rw_lock_t* lock, /* in: pointer to rw-lock */ ulint pass, /* in: pass value; != 0, if the lock will be passed to another thread to unlock */ const char* file_name,/* in: file name where lock requested */ ulint line) /* in: line where requested */ { - ut_ad(mutex_own(rw_lock_get_mutex(lock))); + os_thread_id_t curr_thread = os_thread_get_curr_id(); - if (rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED) { + if (rw_lock_lock_word_decr(lock, X_LOCK_DECR)) { - if (rw_lock_get_reader_count(lock) == 0) { + /* lock->recursive also tells us if the writer_thread + field is stale or active. As we are going to write + our own thread id in that field it must be that the + current writer_thread value is not active. */ + ut_a(!lock->recursive); - rw_lock_set_writer(lock, RW_LOCK_EX); - lock->writer_thread = os_thread_get_curr_id(); - lock->writer_count++; - lock->pass = pass; + /* Decrement occurred: we are writer or next-writer. */ + rw_lock_set_writer_id_and_recursion_flag(lock, + pass ? FALSE : TRUE); + rw_lock_x_lock_wait(lock, #ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, - file_name, line); + pass, #endif - lock->last_x_file_name = file_name; - lock->last_x_line = (unsigned int) line; + file_name, line); - /* Locking succeeded, we may return */ - return(RW_LOCK_EX); + } else { + /* Decrement failed: relock or failed lock */ + if (!pass && lock->recursive && + os_thread_eq(lock->writer_thread, curr_thread)) { + /* Relock */ + lock->lock_word -= X_LOCK_DECR; } else { - /* There are readers, we have to wait */ - rw_lock_set_writer(lock, RW_LOCK_WAIT_EX); - lock->writer_thread = os_thread_get_curr_id(); - lock->pass = pass; - lock->writer_is_wait_ex = TRUE; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_WAIT_EX, - file_name, line); -#endif - - return(RW_LOCK_WAIT_EX); + /* Another thread locked before us */ + return(FALSE); } - - } else if ((rw_lock_get_writer(lock) == RW_LOCK_WAIT_EX) - && os_thread_eq(lock->writer_thread, - os_thread_get_curr_id())) { - - if (rw_lock_get_reader_count(lock) == 0) { - - rw_lock_set_writer(lock, RW_LOCK_EX); - lock->writer_count++; - lock->pass = pass; - lock->writer_is_wait_ex = FALSE; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, pass, RW_LOCK_WAIT_EX); - rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, - file_name, line); -#endif - - lock->last_x_file_name = file_name; - lock->last_x_line = (unsigned int) line; - - /* Locking succeeded, we may return */ - return(RW_LOCK_EX); - } - - return(RW_LOCK_WAIT_EX); - - } else if ((rw_lock_get_writer(lock) == RW_LOCK_EX) - && os_thread_eq(lock->writer_thread, - os_thread_get_curr_id()) - && (lock->pass == 0) - && (pass == 0)) { - - lock->writer_count++; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, file_name, - line); -#endif - - lock->last_x_file_name = file_name; - lock->last_x_line = (unsigned int) line; - - /* Locking succeeded, we may return */ - return(RW_LOCK_EX); } +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, + file_name, line); +#endif + lock->last_x_file_name = file_name; + lock->last_x_line = (unsigned int) line; - /* Locking did not succeed */ - return(RW_LOCK_NOT_LOCKED); + return(TRUE); } /********************************************************************** @@ -472,62 +611,46 @@ rw_lock_x_lock_func( ulint line) /* in: line where requested */ { ulint index; /* index of the reserved wait cell */ - ulint state; /* lock state acquired */ ulint i; /* spin round count */ + ibool spinning = FALSE; ut_ad(rw_lock_validate(lock)); + i = 0; + lock_loop: - /* Acquire the mutex protecting the rw-lock fields */ - mutex_enter_fast(&(lock->mutex)); - state = rw_lock_x_lock_low(lock, pass, file_name, line); - - mutex_exit(&(lock->mutex)); - - if (state == RW_LOCK_EX) { + if (rw_lock_x_lock_low(lock, pass, file_name, line)) { + rw_x_spin_round_count += i; return; /* Locking succeeded */ - } else if (state == RW_LOCK_NOT_LOCKED) { - - /* Spin waiting for the writer field to become free */ - i = 0; - - while (rw_lock_get_writer(lock) != RW_LOCK_NOT_LOCKED - && i < SYNC_SPIN_ROUNDS) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, - srv_spin_wait_delay)); - } - - i++; - } - if (i == SYNC_SPIN_ROUNDS) { - os_thread_yield(); - } - } else if (state == RW_LOCK_WAIT_EX) { - - /* Spin waiting for the reader count field to become zero */ - i = 0; - - while (rw_lock_get_reader_count(lock) != 0 - && i < SYNC_SPIN_ROUNDS) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, - srv_spin_wait_delay)); - } - - i++; - } - if (i == SYNC_SPIN_ROUNDS) { - os_thread_yield(); - } } else { - i = 0; /* Eliminate a compiler warning */ - ut_error; + + if (!spinning) { + spinning = TRUE; + rw_x_spin_wait_count++; + } + + /* Spin waiting for the lock_word to become free */ + while (i < SYNC_SPIN_ROUNDS + && lock->lock_word <= 0) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, + srv_spin_wait_delay)); + } + + i++; + } + if (i == SYNC_SPIN_ROUNDS) { + os_thread_yield(); + } else { + goto lock_loop; + } } + rw_x_spin_round_count += i; + if (srv_print_latch_waits) { fprintf(stderr, "Thread %lu spin wait rw-x-lock at %p" @@ -536,39 +659,20 @@ lock_loop: lock->cfile_name, (ulong) lock->cline, (ulong) i); } - rw_x_spin_wait_count++; - - /* We try once again to obtain the lock. Acquire the mutex protecting - the rw-lock fields */ - - mutex_enter(rw_lock_get_mutex(lock)); - - state = rw_lock_x_lock_low(lock, pass, file_name, line); - - if (state == RW_LOCK_EX) { - mutex_exit(rw_lock_get_mutex(lock)); - - return; /* Locking succeeded */ - } - - rw_x_system_call_count++; - sync_array_reserve_cell(sync_primary_wait_array, lock, -#ifdef __WIN__ - /* On windows RW_LOCK_WAIT_EX signifies - that this thread should wait on the - special wait_ex_event. */ - (state == RW_LOCK_WAIT_EX) - ? RW_LOCK_WAIT_EX : -#endif RW_LOCK_EX, file_name, line, &index); - rw_lock_set_waiters(lock, 1); + /* Waiters must be set before checking lock_word, to ensure signal + is sent. This could lead to a few unnecessary wake-up signals. */ + rw_lock_set_waiter_flag(lock); - mutex_exit(rw_lock_get_mutex(lock)); + if (rw_lock_x_lock_low(lock, pass, file_name, line)) { + sync_array_free_cell(sync_primary_wait_array, index); + return; /* Locking succeeded */ + } if (srv_print_latch_waits) { fprintf(stderr, @@ -578,11 +682,13 @@ lock_loop: lock->cfile_name, (ulong) lock->cline); } - rw_x_system_call_count++; + /* these stats may not be accurate */ + lock->count_os_wait++; rw_x_os_wait_count++; sync_array_wait_event(sync_primary_wait_array, index); + i = 0; goto lock_loop; } @@ -730,7 +836,7 @@ rw_lock_own( ut_ad(lock); ut_ad(rw_lock_validate(lock)); - mutex_enter(&(lock->mutex)); + rw_lock_debug_mutex_enter(); info = UT_LIST_GET_FIRST(lock->debug_list); @@ -740,7 +846,7 @@ rw_lock_own( && (info->pass == 0) && (info->lock_type == lock_type)) { - mutex_exit(&(lock->mutex)); + rw_lock_debug_mutex_exit(); /* Found! */ return(TRUE); @@ -748,7 +854,7 @@ rw_lock_own( info = UT_LIST_GET_NEXT(list, info); } - mutex_exit(&(lock->mutex)); + rw_lock_debug_mutex_exit(); return(FALSE); } @@ -770,22 +876,18 @@ rw_lock_is_locked( ut_ad(lock); ut_ad(rw_lock_validate(lock)); - mutex_enter(&(lock->mutex)); - if (lock_type == RW_LOCK_SHARED) { - if (lock->reader_count > 0) { + if (rw_lock_get_reader_count(lock) > 0) { ret = TRUE; } } else if (lock_type == RW_LOCK_EX) { - if (lock->writer == RW_LOCK_EX) { + if (rw_lock_get_writer(lock) == RW_LOCK_EX) { ret = TRUE; } } else { ut_error; } - mutex_exit(&(lock->mutex)); - return(ret); } @@ -814,11 +916,10 @@ rw_lock_list_print_info( count++; +#ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_enter(&(lock->mutex)); - - if ((rw_lock_get_writer(lock) != RW_LOCK_NOT_LOCKED) - || (rw_lock_get_reader_count(lock) != 0) - || (rw_lock_get_waiters(lock) != 0)) { +#endif + if (lock->lock_word != X_LOCK_DECR) { fprintf(file, "RW-LOCK: %p ", (void*) lock); @@ -834,8 +935,10 @@ rw_lock_list_print_info( info = UT_LIST_GET_NEXT(list, info); } } - +#ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_exit(&(lock->mutex)); +#endif + lock = UT_LIST_GET_NEXT(list, lock); } @@ -858,9 +961,10 @@ rw_lock_print( "RW-LATCH INFO\n" "RW-LATCH: %p ", (void*) lock); - if ((rw_lock_get_writer(lock) != RW_LOCK_NOT_LOCKED) - || (rw_lock_get_reader_count(lock) != 0) - || (rw_lock_get_waiters(lock) != 0)) { +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_enter(&(lock->mutex)); +#endif + if (lock->lock_word != X_LOCK_DECR) { if (rw_lock_get_waiters(lock)) { fputs(" Waiters for the lock exist\n", stderr); @@ -874,6 +978,9 @@ rw_lock_print( info = UT_LIST_GET_NEXT(list, info); } } +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_exit(&(lock->mutex)); +#endif } /************************************************************************* @@ -922,14 +1029,11 @@ rw_lock_n_locked(void) lock = UT_LIST_GET_FIRST(rw_lock_list); while (lock != NULL) { - mutex_enter(rw_lock_get_mutex(lock)); - if ((rw_lock_get_writer(lock) != RW_LOCK_NOT_LOCKED) - || (rw_lock_get_reader_count(lock) != 0)) { + if (lock->lock_word != X_LOCK_DECR) { count++; } - mutex_exit(rw_lock_get_mutex(lock)); lock = UT_LIST_GET_NEXT(list, lock); } diff --git a/sync/sync0sync.c b/sync/sync0sync.c index d862ee5fa43..d83db8ee77b 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -5,6 +5,38 @@ Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri *******************************************************/ +/*********************************************************************** +# Copyright (c) 2008, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# * Neither the name of the Google Inc. nor the names of its +# contributors may be used to endorse or promote products +# derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Note, the BSD license applies to the new code. The old code is GPL. +***********************************************************************/ #include "sync0sync.h" #ifdef UNIV_NONINL @@ -138,18 +170,13 @@ Therefore, this thread is guaranteed to catch the os_set_event() signalled unconditionally at the release of the lock. Q.E.D. */ -/* The number of system calls made in this module. Intended for performance -monitoring. */ - -UNIV_INTERN ulint mutex_system_call_count = 0; - /* Number of spin waits on mutexes: for performance monitoring */ /* round=one iteration of a spin loop */ -UNIV_INTERN ulint mutex_spin_round_count = 0; -UNIV_INTERN ulint mutex_spin_wait_count = 0; -UNIV_INTERN ulint mutex_os_wait_count = 0; -UNIV_INTERN ulint mutex_exit_count = 0; +UNIV_INTERN ib_int64_t mutex_spin_round_count = 0; +UNIV_INTERN ib_int64_t mutex_spin_wait_count = 0; +UNIV_INTERN ib_int64_t mutex_os_wait_count = 0; +UNIV_INTERN ib_int64_t mutex_exit_count = 0; /* The global array of wait cells for implementation of the database's own mutexes and read-write locks */ @@ -219,6 +246,8 @@ mutex_create_func( { #if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) mutex_reset_lock_word(mutex); +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) + mutex_reset_lock_word(mutex); #else os_fast_mutex_init(&(mutex->os_fast_mutex)); mutex->lock_word = 0; @@ -309,7 +338,9 @@ mutex_free( os_event_free(mutex->event); -#if !defined(_WIN32) || !defined(UNIV_CAN_USE_X86_ASSEMBLER) +#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) +#else os_fast_mutex_free(&(mutex->os_fast_mutex)); #endif /* If we free the mutex protecting the mutex list (freeing is @@ -426,6 +457,12 @@ mutex_spin_wait( #endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ ut_ad(mutex); + /* This update is not thread safe, but we don't mind if the count + isn't exact. Moved out of ifdef that follows because we are willing + to sacrifice the cost of counting this as the data is valuable. + Count the number of calls to mutex_spin_wait. */ + mutex_spin_wait_count++; + mutex_loop: i = 0; @@ -438,7 +475,6 @@ mutex_loop: spin_loop: #if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - mutex_spin_wait_count++; mutex->count_spin_loop++; #endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ @@ -503,8 +539,6 @@ spin_loop: sync_array_reserve_cell(sync_primary_wait_array, mutex, SYNC_MUTEX, file_name, line, &index); - mutex_system_call_count++; - /* The memory order of the array reservation and the change in the waiters field is important: when we suspend a thread, we first reserve the cell and then set waiters field to 1. When threads are @@ -551,7 +585,6 @@ spin_loop: mutex->cfile_name, (ulong) mutex->cline, (ulong) i); #endif - mutex_system_call_count++; mutex_os_wait_count++; #ifndef UNIV_HOTBACKUP @@ -1340,21 +1373,31 @@ sync_print_wait_info( FILE* file) /* in: file where to print */ { #ifdef UNIV_SYNC_DEBUG - fprintf(file, "Mutex exits %lu, rws exits %lu, rwx exits %lu\n", + fprintf(file, "Mutex exits %llu, rws exits %llu, rwx exits %llu\n", mutex_exit_count, rw_s_exit_count, rw_x_exit_count); #endif fprintf(file, - "Mutex spin waits %lu, rounds %lu, OS waits %lu\n" - "RW-shared spins %lu, OS waits %lu;" - " RW-excl spins %lu, OS waits %lu\n", - (ulong) mutex_spin_wait_count, - (ulong) mutex_spin_round_count, - (ulong) mutex_os_wait_count, - (ulong) rw_s_spin_wait_count, - (ulong) rw_s_os_wait_count, - (ulong) rw_x_spin_wait_count, - (ulong) rw_x_os_wait_count); + "Mutex spin waits %llu, rounds %llu, OS waits %llu\n" + "RW-shared spins %llu, OS waits %llu;" + " RW-excl spins %llu, OS waits %llu\n", + mutex_spin_wait_count, + mutex_spin_round_count, + mutex_os_wait_count, + rw_s_spin_wait_count, + rw_s_os_wait_count, + rw_x_spin_wait_count, + rw_x_os_wait_count); + + fprintf(file, + "Spin rounds per wait: %.2f mutex, %.2f RW-shared, " + "%.2f RW-excl\n", + (double) mutex_spin_round_count / + (mutex_spin_wait_count ? mutex_spin_wait_count : 1), + (double) rw_s_spin_round_count / + (rw_s_spin_wait_count ? rw_s_spin_wait_count : 1), + (double) rw_x_spin_round_count / + (rw_x_spin_wait_count ? rw_x_spin_wait_count : 1)); } /*********************************************************************** diff --git a/ut/ut0mem.c b/ut/ut0mem.c index c76e8674f3b..1321e7d9687 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -15,6 +15,7 @@ Created 5/11/1994 Heikki Tuuri #include "mem0mem.h" #include "os0sync.h" #include "os0thread.h" +#include "srv0srv.h" /* This struct is placed first in every allocated memory block */ typedef struct ut_mem_block_struct ut_mem_block_t; @@ -68,14 +69,29 @@ ut_malloc_low( ibool assert_on_error)/* in: if TRUE, we crash mysqld if the memory cannot be allocated */ { - ulint retry_count = 0; + ulint retry_count; void* ret; + if (srv_use_sys_malloc) { + ret = malloc(n); + ut_a(ret || !assert_on_error); + +#ifdef UNIV_SET_MEM_TO_ZERO + if (set_to_zero) { + memset(ret, '\0', n); + UNIV_MEM_ALLOC(ret, n); + } +#endif + return(ret); + } + ut_ad((sizeof(ut_mem_block_t) % 8) == 0); /* check alignment ok */ - if (!ut_mem_block_list_inited) { + if (UNIV_UNLIKELY(!ut_mem_block_list_inited)) { ut_mem_block_list_init(); } + + retry_count = 0; retry: os_fast_mutex_lock(&ut_list_mutex); @@ -239,6 +255,11 @@ ut_free( { ut_mem_block_t* block; + if (srv_use_sys_malloc) { + free(ptr); + return; + } + block = (ut_mem_block_t*)((byte*)ptr - sizeof(ut_mem_block_t)); os_fast_mutex_lock(&ut_list_mutex); @@ -291,6 +312,10 @@ ut_realloc( ulint min_size; void* new_ptr; + if (srv_use_sys_malloc) { + return(realloc(ptr, size)); + } + if (ptr == NULL) { return(ut_malloc(size)); @@ -338,6 +363,11 @@ ut_free_all_mem(void) { ut_mem_block_t* block; + if (!ut_mem_block_list_inited) { + return; + } + + ut_mem_block_list_inited = FALSE; os_fast_mutex_free(&ut_list_mutex); while ((block = UT_LIST_GET_FIRST(ut_mem_block_list))) { From 1d8c5065b2394079238d19cc28e382691c88e175 Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Wed, 18 Feb 2009 20:05:39 +0100 Subject: [PATCH 130/400] Bug#39338: Fieldnames in INFORMATIONSCHEMA.PARTITIONS.PARTITION_EXPRESSION become unescaped Problem was only with the print out of the KEY partitioning list of fields, it did not include quotes, even if it was needed. Fixed by always add quotes if needed. --- mysql-test/r/partition.result | 37 +++++++++++++++++++++++++++++++++++ mysql-test/t/partition.test | 23 ++++++++++++++++++++++ sql/sql_show.cc | 9 +++++---- 3 files changed, 65 insertions(+), 4 deletions(-) diff --git a/mysql-test/r/partition.result b/mysql-test/r/partition.result index 93684ba05e5..d13082fad55 100644 --- a/mysql-test/r/partition.result +++ b/mysql-test/r/partition.result @@ -1,5 +1,42 @@ drop table if exists t1, t2; CREATE TABLE t1 ( +ID int(11) NOT NULL, +`aaaa,aaaaa` tinyint(3) UNSIGNED NOT NULL DEFAULT '0', +ddddddddd int(11) NOT NULL DEFAULT '0', +new_field0 varchar(50), +PRIMARY KEY(ID, `aaaa,aaaaa`, ddddddddd)) +PARTITION BY RANGE(ID) +PARTITIONS 3 +SUBPARTITION BY LINEAR KEY(ID,`aaaa,aaaaa`) +SUBPARTITIONS 2 ( +PARTITION p01 VALUES LESS THAN(100), +PARTITION p11 VALUES LESS THAN(200), +PARTITION p21 VALUES LESS THAN MAXVALUE); +SELECT PARTITION_EXPRESSION, SUBPARTITION_EXPRESSION FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='t1'; +PARTITION_EXPRESSION SUBPARTITION_EXPRESSION +ID `ID`,`aaaa,aaaaa` +ID `ID`,`aaaa,aaaaa` +ID `ID`,`aaaa,aaaaa` +ID `ID`,`aaaa,aaaaa` +ID `ID`,`aaaa,aaaaa` +ID `ID`,`aaaa,aaaaa` +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `ID` int(11) NOT NULL, + `aaaa,aaaaa` tinyint(3) unsigned NOT NULL DEFAULT '0', + `ddddddddd` int(11) NOT NULL DEFAULT '0', + `new_field0` varchar(50) DEFAULT NULL, + PRIMARY KEY (`ID`,`aaaa,aaaaa`,`ddddddddd`) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +/*!50100 PARTITION BY RANGE (ID) +SUBPARTITION BY LINEAR KEY (ID,`aaaa,aaaaa`) +SUBPARTITIONS 2 +(PARTITION p01 VALUES LESS THAN (100) ENGINE = MyISAM, + PARTITION p11 VALUES LESS THAN (200) ENGINE = MyISAM, + PARTITION p21 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ +drop table t1; +CREATE TABLE t1 ( pk INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (pk) ) diff --git a/mysql-test/t/partition.test b/mysql-test/t/partition.test index 6a12e4a4d12..aaf2ee7d4bd 100644 --- a/mysql-test/t/partition.test +++ b/mysql-test/t/partition.test @@ -14,6 +14,29 @@ drop table if exists t1, t2; --enable_warnings +# +# Bug#39338: Fieldnames in INFORMATIONSCHEMA.PARTITIONS.PARTITION_EXPRESSION +# become unescaped +# NOTE: the partition expression is saved as a string, so changing from +# normal quotes to ansi quotes does not change the expression, only +# for partition by KEY. +CREATE TABLE t1 ( + ID int(11) NOT NULL, + `aaaa,aaaaa` tinyint(3) UNSIGNED NOT NULL DEFAULT '0', + ddddddddd int(11) NOT NULL DEFAULT '0', + new_field0 varchar(50), + PRIMARY KEY(ID, `aaaa,aaaaa`, ddddddddd)) +PARTITION BY RANGE(ID) +PARTITIONS 3 +SUBPARTITION BY LINEAR KEY(ID,`aaaa,aaaaa`) +SUBPARTITIONS 2 ( + PARTITION p01 VALUES LESS THAN(100), + PARTITION p11 VALUES LESS THAN(200), + PARTITION p21 VALUES LESS THAN MAXVALUE); +SELECT PARTITION_EXPRESSION, SUBPARTITION_EXPRESSION FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='t1'; +show create table t1; +drop table t1; + # # Bug#40954: Crash if range search and order by. # diff --git a/sql/sql_show.cc b/sql/sql_show.cc index 7b96aaf72fe..ffa888560df 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -4743,7 +4743,8 @@ static int get_schema_key_column_usage_record(THD *thd, #ifdef WITH_PARTITION_STORAGE_ENGINE -static void collect_partition_expr(List &field_list, String *str) +static void collect_partition_expr(THD *thd, List &field_list, + String *str) { List_iterator part_it(field_list); ulong no_fields= field_list.elements; @@ -4751,7 +4752,7 @@ static void collect_partition_expr(List &field_list, String *str) str->length(0); while ((field_str= part_it++)) { - str->append(field_str); + append_identifier(thd, str, field_str, strlen(field_str)); if (--no_fields != 0) str->append(","); } @@ -4915,7 +4916,7 @@ static int get_schema_partitions_record(THD *thd, TABLE_LIST *tables, } else if (part_info->list_of_part_fields) { - collect_partition_expr(part_info->part_field_list, &tmp_str); + collect_partition_expr(thd, part_info->part_field_list, &tmp_str); table->field[9]->store(tmp_str.ptr(), tmp_str.length(), cs); } table->field[9]->set_notnull(); @@ -4944,7 +4945,7 @@ static int get_schema_partitions_record(THD *thd, TABLE_LIST *tables, } else if (part_info->list_of_subpart_fields) { - collect_partition_expr(part_info->subpart_field_list, &tmp_str); + collect_partition_expr(thd, part_info->subpart_field_list, &tmp_str); table->field[10]->store(tmp_str.ptr(), tmp_str.length(), cs); } table->field[10]->set_notnull(); From 9bff459082105fb9d9ec4675d2913f5b3ee7e580 Mon Sep 17 00:00:00 2001 From: marko <> Date: Tue, 24 Mar 2009 08:32:21 +0000 Subject: [PATCH 131/400] branches/innodb+: Merge revisions 4150:4528 from branches/zip: ------------------------------------------------------------------------ r4152 | marko | 2009-02-10 12:52:27 +0200 (Tue, 10 Feb 2009) | 12 lines branches/zip: When innodb_use_sys_malloc is set, ignore innodb_additional_mem_pool_size, because nothing will be allocated from mem_comm_pool. mem_pool_create(): Remove the assertion about size. The function will work with any size. However, an assertion would fail in ut_malloc_low() when size==0. mem_init(): When srv_use_sys_malloc is set, pass size=1 to mem_pool_create(). mem0mem.c: Add #include "srv0srv.h" that is needed by mem0dbg.c. ------------------------------------------------------------------------ r4153 | vasil | 2009-02-10 22:58:17 +0200 (Tue, 10 Feb 2009) | 14 lines branches/zip: (followup to r4145) Non-functional change: Change the os_atomic_increment() and os_compare_and_swap() functions to macros to avoid artificial limitations on the types of those functions' arguments. As a consequence typecasts from the source code can be removed. Also remove Google's copyright from os0sync.ic because that file no longer contains code from Google. Approved by: Marko (rb://88), also ok from Inaam via IM ------------------------------------------------------------------------ r4163 | marko | 2009-02-12 00:14:19 +0200 (Thu, 12 Feb 2009) | 4 lines branches/zip: Make innodb_thread_concurrency=0 the default. The old default was 8. ------------------------------------------------------------------------ r4169 | calvin | 2009-02-12 10:37:10 +0200 (Thu, 12 Feb 2009) | 3 lines branches/zip: Adjust the result file of innodb_thread_concurrency_basic test. The default value of innodb_thread_concurrency is changed to 0 (from 8) via r4163. ------------------------------------------------------------------------ r4174 | vasil | 2009-02-12 17:38:27 +0200 (Thu, 12 Feb 2009) | 4 lines branches/zip: Fix pathname of the file to patch. ------------------------------------------------------------------------ r4176 | vasil | 2009-02-13 10:06:31 +0200 (Fri, 13 Feb 2009) | 7 lines branches/zip: Fix the failing mysql-test partition_innodb, which failed only if run after innodb_trx_weight (or other test that would leave LATEST DEADLOCK ERROR into the output of SHOW ENGINE INNODB STATUS). Find further explanation for the failure at the top of the added patch partition_innodb.diff. ------------------------------------------------------------------------ r4198 | vasil | 2009-02-17 09:06:07 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: Add the full text of the GPLv2 license into the root directory of the plugin. In previous releases this file was copied from an external source (https://svn.innodb.com/svn/plugin/trunk/support/COPYING) "manually" when creating the source and binary archives. It is less confusing to have this present in the root directory of the SVN branch. ------------------------------------------------------------------------ r4199 | vasil | 2009-02-17 09:11:58 +0200 (Tue, 17 Feb 2009) | 4 lines branches/zip: Add Google's license into COPYING.Google. ------------------------------------------------------------------------ r4200 | vasil | 2009-02-17 09:56:33 +0200 (Tue, 17 Feb 2009) | 11 lines branches/zip: To the files touched by the Google patch from c4144 (excluding include/os0sync.ic because later we removed Google code from that file): * Remove the Google license * Remove old Innobase copyright lines * Add a reference to the Google license and to the GPLv2 license at the top, as recommended by the lawyers at Oracle Legal. ------------------------------------------------------------------------ r4201 | vasil | 2009-02-17 10:12:02 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 1/28] ------------------------------------------------------------------------ r4202 | vasil | 2009-02-17 10:15:06 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 2/28] ------------------------------------------------------------------------ r4203 | vasil | 2009-02-17 10:25:45 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 3/28] ------------------------------------------------------------------------ r4204 | vasil | 2009-02-17 10:55:41 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 4/28] ------------------------------------------------------------------------ r4205 | vasil | 2009-02-17 10:59:22 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 5/28] ------------------------------------------------------------------------ r4206 | vasil | 2009-02-17 11:02:27 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 6/28] ------------------------------------------------------------------------ r4207 | vasil | 2009-02-17 11:04:28 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 7/28] ------------------------------------------------------------------------ r4208 | vasil | 2009-02-17 11:06:49 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 8/28] ------------------------------------------------------------------------ r4209 | vasil | 2009-02-17 11:10:18 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 9/28] ------------------------------------------------------------------------ r4210 | vasil | 2009-02-17 11:12:41 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 10/28] ------------------------------------------------------------------------ r4211 | vasil | 2009-02-17 11:14:40 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 11/28] ------------------------------------------------------------------------ r4212 | vasil | 2009-02-17 11:18:35 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 12/28] ------------------------------------------------------------------------ r4213 | vasil | 2009-02-17 11:24:40 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 13/28] ------------------------------------------------------------------------ r4214 | vasil | 2009-02-17 11:27:31 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 13/28] ------------------------------------------------------------------------ r4215 | vasil | 2009-02-17 11:29:55 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 15/28] ------------------------------------------------------------------------ r4216 | vasil | 2009-02-17 11:33:38 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 16/28] ------------------------------------------------------------------------ r4217 | vasil | 2009-02-17 11:36:44 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 17/28] ------------------------------------------------------------------------ r4218 | vasil | 2009-02-17 11:39:11 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 18/28] ------------------------------------------------------------------------ r4219 | vasil | 2009-02-17 11:41:24 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 19/28] ------------------------------------------------------------------------ r4220 | vasil | 2009-02-17 11:43:50 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 20/28] ------------------------------------------------------------------------ r4221 | vasil | 2009-02-17 11:46:52 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 21/28] ------------------------------------------------------------------------ r4222 | vasil | 2009-02-17 11:50:12 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 22/28] ------------------------------------------------------------------------ r4223 | vasil | 2009-02-17 11:53:58 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 23/28] ------------------------------------------------------------------------ r4224 | vasil | 2009-02-17 12:01:41 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 24/28] ------------------------------------------------------------------------ r4225 | vasil | 2009-02-17 12:05:45 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 25/28] ------------------------------------------------------------------------ r4226 | vasil | 2009-02-17 12:09:16 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 26/28] ------------------------------------------------------------------------ r4227 | vasil | 2009-02-17 12:12:56 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 27/28] ------------------------------------------------------------------------ r4228 | vasil | 2009-02-17 12:14:04 +0200 (Tue, 17 Feb 2009) | 8 lines branches/zip: * Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 28/28] ------------------------------------------------------------------------ r4229 | vasil | 2009-02-17 12:30:55 +0200 (Tue, 17 Feb 2009) | 4 lines branches/zip: Add the copyright notice to the non C files. ------------------------------------------------------------------------ r4231 | marko | 2009-02-17 14:26:53 +0200 (Tue, 17 Feb 2009) | 12 lines Minor cleanup of the Google SMP patch. sync_array_object_signalled(): Add a (void) cast to eliminate a gcc warning about the return value of os_atomic_increment() being ignored. rw_lock_create_func(): Properly indent the preprocessor directives. rw_lock_x_lock_low(), rw_lock_x_lock_func_nowait(): Split lines correctly. rw_lock_set_writer_id_and_recursion_flag(): Silence a Valgrind warning. Do not mix statements and variable declarations. ------------------------------------------------------------------------ r4232 | marko | 2009-02-17 14:59:54 +0200 (Tue, 17 Feb 2009) | 3 lines branches/zip: When assigning lock->recursive = FALSE, also flag lock->writer_thread invalid, so that Valgrind will catch more errors. This is related to Issue #175. ------------------------------------------------------------------------ r4242 | marko | 2009-02-18 17:01:09 +0200 (Wed, 18 Feb 2009) | 2 lines branches/zip: UT_DBG_STOP: Use do{} while(0) to silence a g++-4.3.2 warning about a while(0); statement. This should fix (part of) Issue #176. ------------------------------------------------------------------------ r4243 | marko | 2009-02-18 17:04:03 +0200 (Wed, 18 Feb 2009) | 3 lines branches/zip: buf_buddy_get_slot(): Fix a gcc 4.3.2 warning about an empty body of a "for" statement. This fixes part of Issue #176. ------------------------------------------------------------------------ r4244 | marko | 2009-02-18 17:25:45 +0200 (Wed, 18 Feb 2009) | 11 lines branches/zip: Protect ut_total_allocated_memory with ut_list_mutex. Unprotected updates to ut_total_allocated_memory in os_mem_alloc_large() and os_mem_free_large(), called during fast index creation, may corrupt the variable and cause assertion failures. Also, add UNIV_MEM_ALLOC() and UNIV_MEM_FREE() instrumentation around os_mem_alloc_large() and os_mem_free_large(), so that Valgrind can detect more errors. rb://90 approved by Heikki Tuuri. This addresses Issue #177. ------------------------------------------------------------------------ r4248 | marko | 2009-02-19 11:52:39 +0200 (Thu, 19 Feb 2009) | 2 lines branches/zip: page_zip_set_size(): Fix a g++ 4.3.2 warning about an empty body in a "for" statement. This closes Issue #176. ------------------------------------------------------------------------ r4251 | inaam | 2009-02-19 15:46:27 +0200 (Thu, 19 Feb 2009) | 8 lines branches/zip: Issue #178 rb://91 Change plug.in to have same CXXFLAGS as CFLAGS. This is to ensure that both .c and .cc files get compiled with same flags. To fix the issue where UNIV_LINUX was defined only in .c files. Approved by: Marko ------------------------------------------------------------------------ r4258 | vasil | 2009-02-20 11:52:19 +0200 (Fri, 20 Feb 2009) | 7 lines branches/zip: Cleanup in ChangeLog: * Wrap lines at 78 characters * Changed files are listed alphabetically * White-space cleanup ------------------------------------------------------------------------ r4259 | vasil | 2009-02-20 11:59:42 +0200 (Fri, 20 Feb 2009) | 6 lines branches/zip: ChangeLog: Remove include/os0sync.ic from the entry about the google patch, this file was modified later to not include Google's code. ------------------------------------------------------------------------ r4262 | vasil | 2009-02-20 14:56:59 +0200 (Fri, 20 Feb 2009) | 373 lines branches/zip: Merge revisions 4035:4261 from branches/5.1: ------------------------------------------------------------------------ r4065 | sunny | 2009-01-29 16:01:36 +0200 (Thu, 29 Jan 2009) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: In the last round of AUTOINC cleanup we assumed that AUTOINC is only defined for integer columns. This caused an assertion failure when we checked for the maximum value of a column type. We now calculate the max value for floating-point autoinc columns too. Fix Bug#42400 - InnoDB autoinc code can't handle floating-point columns rb://84 and Mantis issue://162 ------------------------------------------------------------------------ r4111 | sunny | 2009-02-03 22:06:52 +0200 (Tue, 03 Feb 2009) | 2 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Add the ULL suffix otherwise there is an overflow. ------------------------------------------------------------------------ r4128 | vasil | 2009-02-08 21:36:45 +0200 (Sun, 08 Feb 2009) | 18 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2709.20.31 committer: Timothy Smith branch nick: 51 timestamp: Fri 2008-12-19 01:28:51 +0100 message: Disable part of innodb-autoinc.test, because the MySQL server asserts when compiled --with-debug, due to bug 39828, "autoinc wraps around when offset and increment > 1". This change should be reverted when that bug is fixed (and a a few other minor changes to the test as described in comments). modified: mysql-test/r/innodb-autoinc.result mysql-test/t/innodb-autoinc.test ------------------------------------------------------------------------ r4129 | vasil | 2009-02-08 21:54:25 +0200 (Sun, 08 Feb 2009) | 310 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Merge a change from MySQL: [looks like the changes to innodb-autoinc.test were made as part of the following huge merge, but we are merging only changes to that file] ------------------------------------------------------------ revno: 2546.47.1 committer: Luis Soares branch nick: 5.1-rpl timestamp: Fri 2009-01-23 13:22:05 +0100 message: merge: 5.1 -> 5.1-rpl conflicts: Text conflict in client/mysqltest.cc Text conflict in mysql-test/include/wait_until_connected_again.inc Text conflict in mysql-test/lib/mtr_report.pm Text conflict in mysql-test/mysql-test-run.pl Text conflict in mysql-test/r/events_bugs.result Text conflict in mysql-test/r/log_state.result Text conflict in mysql-test/r/myisam_data_pointer_size_func.result Text conflict in mysql-test/r/mysqlcheck.result Text conflict in mysql-test/r/query_cache.result Text conflict in mysql-test/r/status.result Text conflict in mysql-test/suite/binlog/r/binlog_index.result Text conflict in mysql-test/suite/binlog/r/binlog_innodb.result Text conflict in mysql-test/suite/rpl/r/rpl_packet.result Text conflict in mysql-test/suite/rpl/t/rpl_packet.test Text conflict in mysql-test/t/disabled.def Text conflict in mysql-test/t/events_bugs.test Text conflict in mysql-test/t/log_state.test Text conflict in mysql-test/t/myisam_data_pointer_size_func.test Text conflict in mysql-test/t/mysqlcheck.test Text conflict in mysql-test/t/query_cache.test Text conflict in mysql-test/t/rpl_init_slave_func.test Text conflict in mysql-test/t/status.test removed: mysql-test/suite/parts/r/partition_bit_ndb.result mysql-test/suite/parts/t/partition_bit_ndb.test mysql-test/suite/parts/t/partition_sessions.test mysql-test/suite/sys_vars/inc/tmp_table_size_basic.inc mysql-test/suite/sys_vars/r/tmp_table_size_basic_32.result mysql-test/suite/sys_vars/r/tmp_table_size_basic_64.result mysql-test/suite/sys_vars/t/tmp_table_size_basic_32.test mysql-test/suite/sys_vars/t/tmp_table_size_basic_64.test mysql-test/t/log_bin_trust_function_creators_func-master.opt mysql-test/t/rpl_init_slave_func-slave.opt added: mysql-test/include/check_events_off.inc mysql-test/include/cleanup_fake_relay_log.inc mysql-test/include/have_simple_parser.inc mysql-test/include/no_running_event_scheduler.inc mysql-test/include/no_running_events.inc mysql-test/include/running_event_scheduler.inc mysql-test/include/setup_fake_relay_log.inc mysql-test/include/wait_condition_sp.inc mysql-test/r/fulltext_plugin.result mysql-test/r/have_simple_parser.require mysql-test/r/innodb_bug38231.result mysql-test/r/innodb_bug39438.result mysql-test/r/innodb_mysql_rbk.result mysql-test/r/partition_innodb_semi_consistent.result mysql-test/r/query_cache_28249.result mysql-test/r/status2.result mysql-test/std_data/bug40482-bin.000001 mysql-test/suite/binlog/r/binlog_innodb_row.result mysql-test/suite/binlog/t/binlog_innodb_row.test mysql-test/suite/rpl/r/rpl_binlog_corruption.result mysql-test/suite/rpl/t/rpl_binlog_corruption-master.opt mysql-test/suite/rpl/t/rpl_binlog_corruption.test mysql-test/suite/sys_vars/r/tmp_table_size_basic.result mysql-test/suite/sys_vars/t/tmp_table_size_basic.test mysql-test/t/fulltext_plugin-master.opt mysql-test/t/fulltext_plugin.test mysql-test/t/innodb_bug38231.test mysql-test/t/innodb_bug39438-master.opt mysql-test/t/innodb_bug39438.test mysql-test/t/innodb_mysql_rbk-master.opt mysql-test/t/innodb_mysql_rbk.test mysql-test/t/partition_innodb_semi_consistent-master.opt mysql-test/t/partition_innodb_semi_consistent.test mysql-test/t/query_cache_28249.test mysql-test/t/status2.test renamed: mysql-test/suite/funcs_1/r/is_collation_character_set_applicability.result => mysql-test/suite/funcs_1/r/is_coll_char_set_appl.result mysql-test/suite/funcs_1/t/is_collation_character_set_applicability.test => mysql-test/suite/funcs_1/t/is_coll_char_set_appl.test modified: .bzr-mysql/default.conf CMakeLists.txt client/mysql.cc client/mysql_upgrade.c client/mysqlcheck.c client/mysqltest.cc configure.in extra/resolve_stack_dump.c extra/yassl/include/openssl/ssl.h include/config-win.h include/m_ctype.h include/my_global.h mysql-test/extra/binlog_tests/database.test mysql-test/extra/rpl_tests/rpl_auto_increment.test mysql-test/include/commit.inc mysql-test/include/have_32bit.inc mysql-test/include/have_64bit.inc mysql-test/include/index_merge1.inc mysql-test/include/linux_sys_vars.inc mysql-test/include/windows_sys_vars.inc mysql-test/lib/mtr_report.pm mysql-test/mysql-test-run.pl mysql-test/r/alter_table.result mysql-test/r/commit_1innodb.result mysql-test/r/create.result mysql-test/r/csv.result mysql-test/r/ctype_ucs.result mysql-test/r/date_formats.result mysql-test/r/events_bugs.result mysql-test/r/events_scheduling.result mysql-test/r/fulltext.result mysql-test/r/func_if.result mysql-test/r/func_in.result mysql-test/r/func_str.result mysql-test/r/func_time.result mysql-test/r/grant.result mysql-test/r/index_merge_myisam.result mysql-test/r/information_schema.result mysql-test/r/innodb-autoinc.result mysql-test/r/innodb.result mysql-test/r/innodb_mysql.result mysql-test/r/log_bin_trust_function_creators_func.result mysql-test/r/log_state.result mysql-test/r/myisampack.result mysql-test/r/mysql.result mysql-test/r/mysqlcheck.result mysql-test/r/partition_datatype.result mysql-test/r/partition_mgm.result mysql-test/r/partition_pruning.result mysql-test/r/query_cache.result mysql-test/r/read_buffer_size_basic.result mysql-test/r/read_rnd_buffer_size_basic.result mysql-test/r/rpl_init_slave_func.result mysql-test/r/select.result mysql-test/r/status.result mysql-test/r/strict.result mysql-test/r/temp_table.result mysql-test/r/type_bit.result mysql-test/r/type_date.result mysql-test/r/type_float.result mysql-test/r/warnings_engine_disabled.result mysql-test/r/xml.result mysql-test/suite/binlog/r/binlog_database.result mysql-test/suite/binlog/r/binlog_index.result mysql-test/suite/binlog/r/binlog_innodb.result mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result mysql-test/suite/binlog/t/binlog_innodb.test mysql-test/suite/funcs_1/r/is_columns_is.result mysql-test/suite/funcs_1/r/is_engines.result mysql-test/suite/funcs_1/r/storedproc.result mysql-test/suite/funcs_1/storedproc/param_check.inc mysql-test/suite/funcs_2/t/disabled.def mysql-test/suite/ndb/t/disabled.def mysql-test/suite/parts/r/partition_bit_innodb.result mysql-test/suite/parts/r/partition_bit_myisam.result mysql-test/suite/parts/r/partition_special_innodb.result mysql-test/suite/parts/t/disabled.def mysql-test/suite/parts/t/partition_special_innodb.test mysql-test/suite/parts/t/partition_value_innodb.test mysql-test/suite/parts/t/partition_value_myisam.test mysql-test/suite/parts/t/partition_value_ndb.test mysql-test/suite/rpl/r/rpl_auto_increment.result mysql-test/suite/rpl/r/rpl_packet.result mysql-test/suite/rpl/r/rpl_row_create_table.result mysql-test/suite/rpl/r/rpl_slave_skip.result mysql-test/suite/rpl/r/rpl_trigger.result mysql-test/suite/rpl/t/disabled.def mysql-test/suite/rpl/t/rpl_packet.test mysql-test/suite/rpl/t/rpl_row_create_table.test mysql-test/suite/rpl/t/rpl_slave_skip.test mysql-test/suite/rpl/t/rpl_trigger.test mysql-test/suite/rpl_ndb/t/disabled.def mysql-test/suite/sys_vars/inc/key_buffer_size_basic.inc mysql-test/suite/sys_vars/inc/sort_buffer_size_basic.inc mysql-test/suite/sys_vars/r/key_buffer_size_basic_32.result mysql-test/suite/sys_vars/r/key_buffer_size_basic_64.result mysql-test/suite/sys_vars/r/sort_buffer_size_basic_32.result mysql-test/suite/sys_vars/r/sort_buffer_size_basic_64.result mysql-test/t/alter_table.test mysql-test/t/create.test mysql-test/t/csv.test mysql-test/t/ctype_ucs.test mysql-test/t/date_formats.test mysql-test/t/disabled.def mysql-test/t/events_bugs.test mysql-test/t/events_scheduling.test mysql-test/t/fulltext.test mysql-test/t/func_if.test mysql-test/t/func_in.test mysql-test/t/func_str.test mysql-test/t/func_time.test mysql-test/t/grant.test mysql-test/t/information_schema.test mysql-test/t/innodb-autoinc.test mysql-test/t/innodb.test mysql-test/t/innodb_mysql.test mysql-test/t/log_bin_trust_function_creators_func.test mysql-test/t/log_state.test mysql-test/t/myisam_data_pointer_size_func.test mysql-test/t/myisampack.test mysql-test/t/mysql.test mysql-test/t/mysqlcheck.test mysql-test/t/partition_innodb_stmt.test mysql-test/t/partition_mgm.test mysql-test/t/partition_pruning.test mysql-test/t/query_cache.test mysql-test/t/rpl_init_slave_func.test mysql-test/t/select.test mysql-test/t/status.test mysql-test/t/strict.test mysql-test/t/temp_table.test mysql-test/t/type_bit.test mysql-test/t/type_date.test mysql-test/t/type_float.test mysql-test/t/warnings_engine_disabled.test mysql-test/t/xml.test mysys/my_getopt.c mysys/my_init.c scripts/mysql_install_db.sh sql-common/my_time.c sql/field.cc sql/field.h sql/filesort.cc sql/ha_partition.cc sql/ha_partition.h sql/item.cc sql/item_cmpfunc.cc sql/item_func.h sql/item_strfunc.cc sql/item_sum.cc sql/item_timefunc.cc sql/item_timefunc.h sql/log.cc sql/log.h sql/log_event.cc sql/log_event.h sql/mysql_priv.h sql/mysqld.cc sql/opt_range.cc sql/partition_info.cc sql/repl_failsafe.cc sql/rpl_constants.h sql/set_var.cc sql/slave.cc sql/spatial.h sql/sql_acl.cc sql/sql_base.cc sql/sql_binlog.cc sql/sql_class.h sql/sql_cursor.cc sql/sql_delete.cc sql/sql_lex.cc sql/sql_lex.h sql/sql_locale.cc sql/sql_parse.cc sql/sql_partition.cc sql/sql_plugin.cc sql/sql_plugin.h sql/sql_profile.cc sql/sql_repl.cc sql/sql_select.cc sql/sql_select.h sql/sql_show.cc sql/sql_table.cc sql/sql_trigger.cc sql/sql_trigger.h sql/table.cc sql/table.h sql/unireg.cc storage/csv/ha_tina.cc storage/federated/ha_federated.cc storage/heap/ha_heap.cc storage/innobase/Makefile.am storage/innobase/btr/btr0sea.c storage/innobase/buf/buf0lru.c storage/innobase/dict/dict0dict.c storage/innobase/dict/dict0mem.c storage/innobase/handler/ha_innodb.cc storage/innobase/handler/ha_innodb.h storage/innobase/include/btr0sea.h storage/innobase/include/dict0dict.h storage/innobase/include/dict0mem.h storage/innobase/include/ha_prototypes.h storage/innobase/include/lock0lock.h storage/innobase/include/row0mysql.h storage/innobase/include/sync0sync.ic storage/innobase/include/ut0ut.h storage/innobase/lock/lock0lock.c storage/innobase/os/os0file.c storage/innobase/plug.in storage/innobase/row/row0mysql.c storage/innobase/row/row0sel.c storage/innobase/srv/srv0srv.c storage/innobase/srv/srv0start.c storage/innobase/ut/ut0ut.c storage/myisam/ft_boolean_search.c strings/ctype.c strings/xml.c tests/mysql_client_test.c win/configure.js mysql-test/suite/funcs_1/t/is_coll_char_set_appl.test ------------------------------------------------------------------------ r4165 | calvin | 2009-02-12 01:34:27 +0200 (Thu, 12 Feb 2009) | 1 line Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: minor non-functional changes. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4263 | vasil | 2009-02-20 15:00:46 +0200 (Fri, 20 Feb 2009) | 4 lines branches/zip: Add a ChangeLog entry for a change in r4262. ------------------------------------------------------------------------ r4265 | marko | 2009-02-20 22:31:03 +0200 (Fri, 20 Feb 2009) | 5 lines branches/zip: Make innodb_use_sys_malloc=ON the default. Replace srv_use_sys_malloc with UNIV_LIKELY(srv_use_sys_malloc) to improve branch prediction in the default case. Approved by Ken over the IM. ------------------------------------------------------------------------ r4266 | vasil | 2009-02-20 23:29:32 +0200 (Fri, 20 Feb 2009) | 7 lines branches/zip: Add a sentence at the top of COPYING.Google to clarify that this license does not apply to the whole InnoDB. Suggested by: Ken ------------------------------------------------------------------------ r4268 | marko | 2009-02-23 12:43:51 +0200 (Mon, 23 Feb 2009) | 9 lines branches/zip: Initialize ut_list_mutex at startup. Without this fix, ut_list_mutex would be used uninitialized when innodb_use_sys_malloc=1. This fix addresses Issue #181. ut_mem_block_list_init(): Rename to ut_mem_init() and make public. ut_malloc_low(), ut_free_all_mem(): Add ut_a(ut_mem_block_list_inited). mem_init(): Call ut_mem_init(). ------------------------------------------------------------------------ r4269 | marko | 2009-02-23 15:09:49 +0200 (Mon, 23 Feb 2009) | 7 lines branches/zip: When freeing an uncompressed BLOB page, tolerate garbage in FIL_PAGE_TYPE. (Bug #43043, Issue #182) btr_check_blob_fil_page_type(): New function. btr_free_externally_stored_field(), btr_copy_blob_prefix(): Call btr_check_blob_fil_page_type() to check FIL_PAGE_TYPE. ------------------------------------------------------------------------ r4272 | marko | 2009-02-23 23:10:18 +0200 (Mon, 23 Feb 2009) | 8 lines branches/zip: Adjust the fix of Issue #182 in r4269 per Inaam's suggestion. btr_check_blob_fil_page_type(): Replace the parameter const char* op with ibool read. Do not print anything about page type mismatch when reading a BLOB page in Antelope format. Print space id before page number. ------------------------------------------------------------------------ r4273 | marko | 2009-02-24 00:11:11 +0200 (Tue, 24 Feb 2009) | 1 line branches/zip: ut_mem_init(): Add the assertion !ut_mem_block_list_inited. ------------------------------------------------------------------------ r4274 | marko | 2009-02-24 00:14:38 +0200 (Tue, 24 Feb 2009) | 12 lines branches/zip: Fix bugs in the fix of Issue #181. Tested inside and outside Valgrind, with innodb_use_sys_malloc set to 0 and 1. mem_init(): Invoke ut_mem_init() before mem_pool_create(), because the latter one will invoke ut_malloc(). srv_general_init(): Do not initialize the memory subsystem (mem_init()). innobase_init(): Initialize the memory subsystem (mem_init()) before calling srv_parse_data_file_paths_and_sizes(), which needs ut_malloc(). Call ut_free_all_mem() in error handling to clean up after the mem_init(). ------------------------------------------------------------------------ r4280 | marko | 2009-02-24 15:14:59 +0200 (Tue, 24 Feb 2009) | 1 line branches/zip: Remove unused function os_mem_alloc_nocache(). ------------------------------------------------------------------------ r4281 | marko | 2009-02-24 16:02:48 +0200 (Tue, 24 Feb 2009) | 1 line branches/zip: Remove the unused function dict_index_get_type(). ------------------------------------------------------------------------ r4283 | marko | 2009-02-24 23:06:56 +0200 (Tue, 24 Feb 2009) | 1 line branches/zip: srv0start.c: Remove unnecessary #include "mem0pool.h". ------------------------------------------------------------------------ r4284 | marko | 2009-02-24 23:26:38 +0200 (Tue, 24 Feb 2009) | 1 line branches/zip: mem0mem.c: Remove unnecessary #include "mach0data.h". ------------------------------------------------------------------------ r4288 | vasil | 2009-02-25 10:48:07 +0200 (Wed, 25 Feb 2009) | 21 lines branches/zip: Merge revisions 4261:4287 from branches/5.1: ------------------------------------------------------------------------ r4287 | sunny | 2009-02-25 05:32:01 +0200 (Wed, 25 Feb 2009) | 10 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Fix Bug#42714 AUTO_INCREMENT errors in 5.1.31. There are two changes to the autoinc handling. 1. To fix the immediate problem from the bug report, we must ensure that the value written to the table is always less than the max value stored in dict_table_t. 2. The second related change is that according to MySQL documentation when the offset is greater than the increment, we should ignore the offset. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4289 | vasil | 2009-02-25 10:53:51 +0200 (Wed, 25 Feb 2009) | 4 lines branches/zip: Add ChangeLog entry for the fix in r4288. ------------------------------------------------------------------------ r4290 | vasil | 2009-02-25 11:05:44 +0200 (Wed, 25 Feb 2009) | 11 lines branches/zip: Make ChangeLog entries for bugs in bugs.mysql.com in the form: Fix Bug#12345 bug title (for bugs after 1.0.2 was released and the ChangeLog published) There is no need to bloat the ChangeLog with information that is available via bugs.mysql.com. Discussed with: Marko ------------------------------------------------------------------------ r4291 | vasil | 2009-02-25 11:08:32 +0200 (Wed, 25 Feb 2009) | 4 lines branches/zip: Fix Bug synopsis and remove explanation ------------------------------------------------------------------------ r4292 | marko | 2009-02-25 12:09:15 +0200 (Wed, 25 Feb 2009) | 25 lines branches/zip: Correct the initialization of the memory subsystem once again, to finally put Issue #181 to rest. Revert some parts of r4274. It is best not to call ut_malloc() before srv_general_init(). mem_init(): Do not call ut_mem_init(). srv_general_init(): Initialize the memory subsystem in two phases: first ut_mem_init(), then mem_init(). This is because os_sync_init() and sync_init() depend on ut_mem_init() and mem_init() depends on os_sync_init() or sync_init(). srv_parse_data_file_paths_and_sizes(), srv_parse_log_group_home_dirs(): Remove the output parameters. Assign to the global variables directly. Allocate memory with malloc() instead of ut_malloc(), because these functions will be called before srv_general_init(). srv_free_paths_and_sizes(): New function, for cleaning up after srv_parse_data_file_paths_and_sizes() and srv_parse_log_group_home_dirs(). rb://92 approved by Sunny Bains ------------------------------------------------------------------------ r4297 | vasil | 2009-02-25 17:19:19 +0200 (Wed, 25 Feb 2009) | 4 lines branches/zip: White-space cleanup in the ChangeLog ------------------------------------------------------------------------ r4301 | vasil | 2009-02-25 21:33:32 +0200 (Wed, 25 Feb 2009) | 5 lines branches/zip: Do not output the commands that restore the environment because they depend on the state of the environment before the test starts executing. ------------------------------------------------------------------------ r4315 | vasil | 2009-02-26 09:21:20 +0200 (Thu, 26 Feb 2009) | 5 lines branches/zip: Apply any necessary patches to the mysql tree at the end of setup.sh This step was previously done manually (and sometimes forgotten). ------------------------------------------------------------------------ r4319 | marko | 2009-02-26 23:27:51 +0200 (Thu, 26 Feb 2009) | 6 lines branches/zip: btr_check_blob_fil_page_type(): Do not report FIL_PAGE_TYPE mismatch even when purging a BLOB. Heavy users may have large data files created with MySQL 5.0 or earlier, and they don not want to have the error log flooded with such messages. This fixes Issue #182. ------------------------------------------------------------------------ r4320 | inaam | 2009-02-27 02:13:19 +0200 (Fri, 27 Feb 2009) | 8 lines branches/zip This is to revert the changes made to the plug.in (r4251) as a fix for issue# 178. Changes to plug.in will not propogate to a plugin installation unless autotools are rerun which is unacceptable. A fix for issue# 178 will be committed in a separate commit. ------------------------------------------------------------------------ r4321 | inaam | 2009-02-27 02:16:46 +0200 (Fri, 27 Feb 2009) | 6 lines branches/zip This is a fix for issue#178. Instead of using UNIV_LINUX which is defined through CFLAGS we use compiler generated define __linux__ that is effective for both .c and .cc files. ------------------------------------------------------------------------ r4324 | vasil | 2009-02-27 13:27:18 +0200 (Fri, 27 Feb 2009) | 39 lines branches/zip: Add FreeBSD to the list of the operating systems that have sizeof(pthread_t) == sizeof(void*) (i.e. word size). On FreeBSD pthread_t is defined like: /usr/include/sys/_pthreadtypes.h: typedef struct pthread *pthread_t; I did the following tests (per Inaam's recommendation): a) appropriate version of GCC is available on that platform (4.1.2 or higher for atomics to be available) On FreeBSD 6.x the default compiler is 3.4.6, on FreeBSD 7.x the default one is 4.2.1. One can always install the version of choice from the ports collection. If gcc 3.x is used then HAVE_GCC_ATOMIC_BUILTINS will not be defined and thus the change I am committing will make no difference. b) find out if sizeof(pthread_t) == sizeof(long) On 32 bit both are 4 bytes, on 64 bit both are 8 bytes. c) find out the compiler generated platform define (e.g.: __aix, __sunos__ etc.) The macro is __FreeBSD__. d) patch univ.i with the appropriate platform define e) build the mysql f) ensure it is using atomic builtins (look at the err.log message at system startup. It should say we are using atomics for both mutexes and rw-locks) g) do sanity testing (keeping in view the smp changes) I ran the mysql-test suite. All tests pass. ------------------------------------------------------------------------ r4353 | vasil | 2009-03-05 09:27:29 +0200 (Thu, 05 Mar 2009) | 6 lines branches/zip: As suggested by Ken, print a message that says that the Google SMP patch (GCC atomics) is disabled if it is. Also extend the message when the patch is partially enabled to make it clear that it is partially enabled. ------------------------------------------------------------------------ r4356 | vasil | 2009-03-05 13:49:51 +0200 (Thu, 05 Mar 2009) | 4 lines branches/zip: Fix typo made in r4353. ------------------------------------------------------------------------ r4357 | vasil | 2009-03-05 16:38:59 +0200 (Thu, 05 Mar 2009) | 23 lines branches/zip: Implement a check whether pthread_t objects can be used by GCC atomic builtin functions. This check is implemented in plug.in and defines the macro HAVE_ATOMIC_PTHREAD_T. This macro is checked in univ.i and the relevant part of the code enabled (the one that uses GCC atomics against pthread_t objects). In addition to this, the same program that is compiled as part of the plug.in check is added in ut/ut0auxconf.c. In the InnoDB Plugin source archives that are shipped to the users, a generated Makefile.in is added. That Makefile.in will be modified to compile ut/ut0auxconf.c and define the macro HAVE_ATOMIC_PTHREAD_T if the compilation succeeds. I.e. Makefile.in will emulate the work that is done by plug.in. This is done in order to make the check happen and HAVE_ATOMIC_PTHREAD_T eventually defined without regenerating MySQL's ./configure from ./storage/innobase/plug.in. The point is not to ask users to install the autotools and regenerate ./configure. rb://95 Approved by: Marko ------------------------------------------------------------------------ r4360 | vasil | 2009-03-05 22:23:17 +0200 (Thu, 05 Mar 2009) | 21 lines branches/zip: Merge revisions 4287:4357 from branches/5.1: ------------------------------------------------------------------------ r4325 | sunny | 2009-03-02 02:28:52 +0200 (Mon, 02 Mar 2009) | 10 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Bug#43203: Overflow from auto incrementing causes server segv It was not a SIGSEGV but an assertion failure. The assertion was checking the invariant that *first_value passed in by MySQL doesn't contain a value that is greater than the max value for that type. The assertion has been changed to a check and if the value is greater than the max we report a generic AUTOINC failure. rb://93 Approved by Heikki ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4361 | vasil | 2009-03-05 22:27:54 +0200 (Thu, 05 Mar 2009) | 30 lines branches/zip: Merge revision 4358 from branches/5.1 (resolving a conflict): ------------------------------------------------------------------------ r4358 | vasil | 2009-03-05 21:21:10 +0200 (Thu, 05 Mar 2009) | 21 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2728.19.1 committer: Alfranio Correia branch nick: mysql-5.1-bugteam timestamp: Tue 2009-02-03 11:36:46 +0000 message: BUG#42445 Warning messages in innobase/handler/ha_innodb.cc There was a type casting problem in the storage/innobase/handler/ha_innodb.cc, (int ha_innobase::write_row(...)). Innobase uses has an internal error variable of type 'ulint' while mysql uses an 'int'. To fix the problem the function manipulates an error variable of type 'ulint' and only casts it into 'int' when needs to return the value. modified: storage/innobase/handler/ha_innodb.cc ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4362 | vasil | 2009-03-05 22:29:07 +0200 (Thu, 05 Mar 2009) | 23 lines branches/zip: Merge revision 4359 from branches/5.1: ------------------------------------------------------------------------ r4359 | vasil | 2009-03-05 21:42:01 +0200 (Thu, 05 Mar 2009) | 14 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2747 committer: Timothy Smith branch nick: 51 timestamp: Fri 2009-01-16 17:49:07 +0100 message: Add another cast to ignore int/ulong difference in error types, silence warning on Win64 modified: storage/innobase/handler/ha_innodb.cc ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4363 | vasil | 2009-03-05 22:31:37 +0200 (Thu, 05 Mar 2009) | 4 lines branches/zip: Add ChangeLog entry for the bugfix in c4360. ------------------------------------------------------------------------ r4378 | calvin | 2009-03-09 10:10:17 +0200 (Mon, 09 Mar 2009) | 7 lines branches/zip: remove compile flag MYSQL_SERVER for dynamic plugin The dynamic plugin on Windows used to be built with MYSQL_SERVER compile flag, while it is not the case for other platforms. r3797 assumed MYSQL_SERVER was not defined for dynamic plugin, which introduced the engine crash during dropping a database. ------------------------------------------------------------------------ r4396 | marko | 2009-03-12 09:22:27 +0200 (Thu, 12 Mar 2009) | 3 lines branches/zip: btr_store_big_rec_extern_fields(): Initialize FIL_PAGE_TYPE in a separate redo log entry. This will make ibbackup --apply-log debugging easier. ------------------------------------------------------------------------ r4397 | marko | 2009-03-12 09:26:11 +0200 (Thu, 12 Mar 2009) | 3 lines branches/zip: trx_sys_create_doublewrite_buf(): As the dummy change, initialize FIL_PAGE_TYPE. This will make it easier to write the debug assertions for ibbackup --apply-log. ------------------------------------------------------------------------ r4401 | marko | 2009-03-12 10:26:40 +0200 (Thu, 12 Mar 2009) | 19 lines branches/zip: Merge revisions 4359:4400 from branches/5.1: ------------------------------------------------------------------------ r4399 | marko | 2009-03-12 09:38:05 +0200 (Thu, 12 Mar 2009) | 2 lines branches/5.1: row_sel_get_clust_rec_for_mysql(): Store the cursor position also for unlock_row(). (Bug #39320) ------------------------------------------------------------------------ r4400 | marko | 2009-03-12 10:06:44 +0200 (Thu, 12 Mar 2009) | 5 lines branches/5.1: Fix a bug in multi-table semi-consistent reads. Remember the acquired record locks per table handle (row_prebuilt_t) rather than per transaction (trx_t), so that unlock_row should successfully unlock all non-matching rows in multi-table operations. This deficiency was found while investigating Bug #39320. ------------------------------------------------------------------------ These were submitted as rb://94 and rb://96 and approved by Heikki Tuuri. ------------------------------------------------------------------------ r4455 | marko | 2009-03-16 11:43:34 +0200 (Mon, 16 Mar 2009) | 2 lines branches/zip: UT_LIST_VALIDATE(): Add the parameter ASSERTION and adjust all callers. ------------------------------------------------------------------------ r4456 | marko | 2009-03-16 12:59:25 +0200 (Mon, 16 Mar 2009) | 6 lines branches/zip: UT_LIST_VALIDATE(): Assert that the link is non-NULL before dereferencing it. In this way, ut_list_node_313 will be pointing to the last non-NULL list item at the time of the assertion failure. (gcc-4.3.2 -O3 seems to optimize the common subexpressions and make the variable NULL, though.) ------------------------------------------------------------------------ r4457 | marko | 2009-03-16 14:12:02 +0200 (Mon, 16 Mar 2009) | 2 lines branches/zip: sync_thread_add_level(): Make the assertions about level == SYNC_BUF_BLOCK more readable. ------------------------------------------------------------------------ r4461 | vasil | 2009-03-17 09:38:19 +0200 (Tue, 17 Mar 2009) | 6 lines branches/zip: Remove mysql-test/patches/bug32625.diff because that bug was fixed in the mysql repository (1 year and 4 months after sending them the simple patch!). See http://bugs.mysql.com/32625 ------------------------------------------------------------------------ r4465 | marko | 2009-03-17 12:34:19 +0200 (Tue, 17 Mar 2009) | 1 line branches/zip: buf0buddy.c: Add and adjust some debug assertions. ------------------------------------------------------------------------ r4473 | vasil | 2009-03-17 15:50:30 +0200 (Tue, 17 Mar 2009) | 5 lines branches/zip: Increment the InnoDB Plugin version from 1.0.3 to 1.0.4 now that 1.0.3 has been released. ------------------------------------------------------------------------ r4478 | vasil | 2009-03-18 11:53:53 +0200 (Wed, 18 Mar 2009) | 5 lines branches/zip: Remove mysql-test/patches/bug41893.diff because that bug has been fixed in the MySQL repository, see http://bugs.mysql.com/41893. ------------------------------------------------------------------------ r4479 | marko | 2009-03-18 12:43:54 +0200 (Wed, 18 Mar 2009) | 2 lines branches/zip: buf_LRU_block_remove_hashed_page(): Add some debug assertions. ------------------------------------------------------------------------ r4480 | marko | 2009-03-18 14:32:13 +0200 (Wed, 18 Mar 2009) | 1 line branches/zip: buf_buddy_free_low(): Correct the function comment. ------------------------------------------------------------------------ r4482 | marko | 2009-03-19 15:23:32 +0200 (Thu, 19 Mar 2009) | 12 lines branches/zip: Merge revisions 4400:4481 from branches/5.1: ------------------------------------------------------------------------ r4481 | marko | 2009-03-19 15:01:48 +0200 (Thu, 19 Mar 2009) | 6 lines branches/5.1: row_unlock_for_mysql(): Do not unlock records that were modified by the current transaction. This bug was introduced or unmasked in r4400. rb://97 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4490 | marko | 2009-03-20 12:33:33 +0200 (Fri, 20 Mar 2009) | 4 lines branches/zip: Non-functional change for reducing dependencies in InnoDB Hot Backup: Replace srv_sys->dummy_ind1 and srv_sys->dummy_ind2 with dict_ind_redundant and dict_ind_compact, initialized in dict_init(). ------------------------------------------------------------------------ r4491 | marko | 2009-03-20 12:45:18 +0200 (Fri, 20 Mar 2009) | 2 lines branches/zip: Add const qualifiers or in/out comments to some function parameters in log0log. ------------------------------------------------------------------------ r4492 | marko | 2009-03-20 12:52:14 +0200 (Fri, 20 Mar 2009) | 5 lines branches/zip: page_validate(): Always report the space id and the name of the index. In Hot Backup, do not invoke comparison functions, as MySQL collations will be unavailable. ------------------------------------------------------------------------ r4493 | marko | 2009-03-20 13:24:06 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: Replace fil_get_space_for_id_low() with fil_space_get_by_id(). ------------------------------------------------------------------------ r4494 | marko | 2009-03-20 13:51:35 +0200 (Fri, 20 Mar 2009) | 3 lines branches/zip: fil0fil.c: Refer to fil_system directly, not via local vars. This eliminates some "unused variable" warnings when building InnoDB Hot Backup in such a way that all mutex operations are no-ops. ------------------------------------------------------------------------ r4495 | marko | 2009-03-20 14:15:52 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: innobase_get_at_most_n_mbchars(): Declare in ha_prototypes.h. ------------------------------------------------------------------------ r4496 | marko | 2009-03-20 14:48:26 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: recv_recover_page(): Remove compile-time constant parameters. ------------------------------------------------------------------------ r4497 | marko | 2009-03-20 14:56:19 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: recv_sys_init(): Remove a compile-time constant parameter. ------------------------------------------------------------------------ r4498 | marko | 2009-03-20 15:08:05 +0200 (Fri, 20 Mar 2009) | 4 lines branches/zip: Non-functional change: Add const qualifiers. log_block_checksum_is_ok_or_old_format(), recv_sys_add_to_parsing_buf(): The log block is read-only. Make it const. ------------------------------------------------------------------------ r4499 | marko | 2009-03-20 15:10:25 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: recv_scan_log_recs(): Remove a compile-time constant parameter. ------------------------------------------------------------------------ r4500 | marko | 2009-03-20 15:47:17 +0200 (Fri, 20 Mar 2009) | 1 line branches/zip: fil_init(): Add the parameter hash_size. ------------------------------------------------------------------------ r4501 | vasil | 2009-03-20 16:50:41 +0200 (Fri, 20 Mar 2009) | 4 lines branches/zip: Add any entry about the release of 1.0.3 in the ChangeLog. ------------------------------------------------------------------------ r4515 | marko | 2009-03-23 10:49:53 +0200 (Mon, 23 Mar 2009) | 1 line branches/zip: hash_table_t: adaptive: Remove from UNIV_HOTBACKUP builds. ------------------------------------------------------------------------ r4516 | marko | 2009-03-23 10:57:16 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Define and use ASSERT_HASH_MUTEX_OWN. Make it a no-op in UNIV_HOTBACKUP builds. ------------------------------------------------------------------------ r4517 | marko | 2009-03-23 11:07:20 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Define and use PAGE_ZIP_MATCH. In UNIV_HOTBACKUP builds, assume fixed allocation. ------------------------------------------------------------------------ r4521 | marko | 2009-03-23 12:05:47 +0200 (Mon, 23 Mar 2009) | 1 line branches/zip: buf_page_print(): Clean up the code #ifdef UNIV_HOTBACKUP. ------------------------------------------------------------------------ r4522 | marko | 2009-03-23 12:20:50 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Exclude some operating system interface code from UNIV_HOTBACKUP builds. ------------------------------------------------------------------------ r4523 | marko | 2009-03-23 13:00:43 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Remove the remaining references to hash_table_t::adapive from UNIV_HOTBACKUP builds. This should have been done in r4515. ------------------------------------------------------------------------ r4524 | marko | 2009-03-23 14:05:18 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Enclose recv_recovery_from_backup_on and recv_recovery_from_backup_is_on() in #ifdef UNIV_LOG_ARCHIVE. ------------------------------------------------------------------------ r4525 | marko | 2009-03-23 14:57:45 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: recv_parse_or_apply_log_rec_body(): Add debug assertions ensuring that FIL_PAGE_TYPE makes sense when applying log records. ------------------------------------------------------------------------ r4526 | marko | 2009-03-23 16:21:34 +0200 (Mon, 23 Mar 2009) | 2 lines branches/zip: Remove unneeded definitions and dependencies from UNIV_HOTBACKUP builds. ------------------------------------------------------------------------ r4527 | calvin | 2009-03-23 23:15:33 +0200 (Mon, 23 Mar 2009) | 5 lines branches/zip: adjust build files on Windows Adjust the patch positions based on the latest MySQL source. Also add the patches to the .bat files for vs9. ------------------------------------------------------------------------ --- CMakeLists.txt | 3 +- COPYING | 351 +++++++++++ COPYING.Google | 30 + ChangeLog | 280 +++++---- btr/btr0btr.c | 47 +- btr/btr0cur.c | 144 +++-- btr/btr0pcur.c | 20 +- btr/btr0sea.c | 60 +- buf/buf0buddy.c | 73 ++- buf/buf0buf.c | 179 +++--- buf/buf0flu.c | 37 +- buf/buf0lru.c | 33 +- buf/buf0rea.c | 20 +- compile-innodb | 15 + compile-innodb-debug | 15 + data/data0data.c | 28 +- data/data0type.c | 54 +- dict/dict0boot.c | 30 +- dict/dict0crea.c | 20 +- dict/dict0dict.c | 82 ++- dict/dict0load.c | 20 +- dict/dict0mem.c | 36 +- dyn/dyn0dyn.c | 20 +- eval/eval0eval.c | 20 +- eval/eval0proc.c | 20 +- fil/fil0fil.c | 560 ++++++++---------- fsp/fsp0fsp.c | 56 +- fut/fut0fut.c | 20 +- fut/fut0lst.c | 20 +- ha/ha0ha.c | 48 +- ha/ha0storage.c | 20 +- ha/hash0hash.c | 34 +- handler/ha_innodb.cc | 159 +++-- handler/ha_innodb.h | 25 +- handler/handler0alter.cc | 20 +- handler/handler0vars.h | 21 +- handler/i_s.cc | 20 +- handler/i_s.h | 20 +- handler/mysql_addons.cc | 20 +- handler/win_delay_loader.cc | 20 +- ibuf/ibuf0ibuf.c | 46 +- include/btr0btr.h | 28 +- include/btr0btr.ic | 24 +- include/btr0cur.h | 31 +- include/btr0cur.ic | 22 +- include/btr0pcur.h | 20 +- include/btr0pcur.ic | 20 +- include/btr0sea.h | 20 +- include/btr0sea.ic | 20 +- include/btr0types.h | 20 +- include/buf0buddy.h | 20 +- include/buf0buddy.ic | 23 +- include/buf0buf.h | 87 ++- include/buf0buf.ic | 73 +-- include/buf0flu.h | 26 +- include/buf0flu.ic | 22 +- include/buf0lru.h | 20 +- include/buf0lru.ic | 20 +- include/buf0rea.h | 20 +- include/buf0types.h | 20 +- include/data0data.h | 20 +- include/data0data.ic | 20 +- include/data0type.h | 33 +- include/data0type.ic | 50 +- include/data0types.h | 20 +- include/db0err.h | 20 +- include/dict0boot.h | 20 +- include/dict0boot.ic | 20 +- include/dict0crea.h | 20 +- include/dict0crea.ic | 20 +- include/dict0dict.h | 59 +- include/dict0dict.ic | 48 +- include/dict0load.h | 20 +- include/dict0load.ic | 20 +- include/dict0mem.h | 34 +- include/dict0mem.ic | 20 +- include/dict0types.h | 26 +- include/dyn0dyn.h | 20 +- include/dyn0dyn.ic | 20 +- include/eval0eval.h | 20 +- include/eval0eval.ic | 20 +- include/eval0proc.h | 20 +- include/eval0proc.ic | 20 +- include/fil0fil.h | 59 +- include/fsp0fsp.h | 20 +- include/fsp0fsp.ic | 20 +- include/fut0fut.h | 20 +- include/fut0fut.ic | 20 +- include/fut0lst.h | 24 +- include/fut0lst.ic | 20 +- include/ha0ha.h | 29 +- include/ha0ha.ic | 28 +- include/ha0storage.h | 20 +- include/ha0storage.ic | 20 +- include/ha_prototypes.h | 38 +- include/handler0alter.h | 20 +- include/hash0hash.h | 44 +- include/hash0hash.ic | 22 +- include/ibuf0ibuf.h | 31 +- include/ibuf0ibuf.ic | 24 +- include/ibuf0types.h | 20 +- include/lock0iter.h | 20 +- include/lock0lock.h | 20 +- include/lock0lock.ic | 20 +- include/lock0priv.h | 20 +- include/lock0priv.ic | 20 +- include/lock0types.h | 20 +- include/log0log.h | 112 ++-- include/log0log.ic | 66 ++- include/log0recv.h | 60 +- include/log0recv.ic | 27 +- include/mach0data.h | 23 +- include/mach0data.ic | 23 +- include/mem0dbg.h | 20 +- include/mem0dbg.ic | 22 +- include/mem0mem.h | 27 +- include/mem0mem.ic | 36 +- include/mem0pool.h | 20 +- include/mem0pool.ic | 20 +- include/mtr0log.h | 30 +- include/mtr0log.ic | 22 +- include/mtr0mtr.h | 31 +- include/mtr0mtr.ic | 34 +- include/mtr0types.h | 20 +- include/mysql_addons.h | 20 +- include/os0file.h | 22 +- include/os0proc.h | 28 +- include/os0proc.ic | 20 +- include/os0sync.h | 88 ++- include/os0sync.ic | 87 +-- include/os0thread.h | 20 +- include/os0thread.ic | 20 +- include/page0cur.h | 24 +- include/page0cur.ic | 23 +- include/page0page.h | 24 +- include/page0page.ic | 28 +- include/page0types.h | 20 +- include/page0zip.h | 32 +- include/page0zip.ic | 29 +- include/pars0grm.h | 48 +- include/pars0opt.h | 20 +- include/pars0opt.ic | 20 +- include/pars0pars.h | 20 +- include/pars0pars.ic | 20 +- include/pars0sym.h | 20 +- include/pars0sym.ic | 20 +- include/pars0types.h | 20 +- include/que0que.h | 20 +- include/que0que.ic | 20 +- include/que0types.h | 20 +- include/read0read.h | 20 +- include/read0read.ic | 20 +- include/read0types.h | 20 +- include/rem0cmp.h | 20 +- include/rem0cmp.ic | 20 +- include/rem0rec.h | 26 +- include/rem0rec.ic | 22 +- include/rem0types.h | 20 +- include/row0ext.h | 20 +- include/row0ext.ic | 20 +- include/row0ins.h | 20 +- include/row0ins.ic | 20 +- include/row0merge.h | 20 +- include/row0mysql.h | 35 +- include/row0mysql.ic | 20 +- include/row0purge.h | 20 +- include/row0purge.ic | 20 +- include/row0row.h | 20 +- include/row0row.ic | 20 +- include/row0sel.h | 20 +- include/row0sel.ic | 20 +- include/row0types.h | 20 +- include/row0uins.h | 20 +- include/row0uins.ic | 20 +- include/row0umod.h | 20 +- include/row0umod.ic | 20 +- include/row0undo.h | 20 +- include/row0undo.ic | 20 +- include/row0upd.h | 40 +- include/row0upd.ic | 32 +- include/row0vers.h | 20 +- include/row0vers.ic | 20 +- include/srv0que.h | 21 +- include/srv0srv.h | 90 +-- include/srv0srv.ic | 20 +- include/srv0start.h | 53 +- include/sync0arr.h | 20 +- include/sync0arr.ic | 20 +- include/sync0rw.h | 63 +- include/sync0rw.ic | 88 +-- include/sync0sync.h | 59 +- include/sync0sync.ic | 59 +- include/sync0types.h | 21 +- include/thr0loc.h | 20 +- include/thr0loc.ic | 20 +- include/trx0i_s.h | 20 +- include/trx0purge.h | 20 +- include/trx0purge.ic | 20 +- include/trx0rec.h | 31 +- include/trx0rec.ic | 22 +- include/trx0roll.h | 20 +- include/trx0roll.ic | 20 +- include/trx0rseg.h | 20 +- include/trx0rseg.ic | 20 +- include/trx0sys.h | 57 +- include/trx0sys.ic | 27 +- include/trx0trx.h | 66 +-- include/trx0trx.ic | 78 +-- include/trx0types.h | 20 +- include/trx0undo.h | 26 +- include/trx0undo.ic | 24 +- include/trx0xa.h | 18 + include/univ.i | 76 +-- include/usr0sess.h | 20 +- include/usr0sess.ic | 20 +- include/usr0types.h | 20 +- include/ut0auxconf.h | 14 + include/ut0byte.h | 20 +- include/ut0byte.ic | 20 +- include/ut0dbg.h | 24 +- include/ut0list.h | 19 +- include/ut0list.ic | 18 + include/ut0lst.h | 76 ++- include/ut0mem.h | 43 +- include/ut0mem.ic | 20 +- include/ut0rnd.h | 20 +- include/ut0rnd.ic | 20 +- include/ut0sort.h | 20 +- include/ut0ut.h | 25 +- include/ut0ut.ic | 20 +- include/ut0vec.h | 18 + include/ut0vec.ic | 18 + include/ut0wqueue.h | 19 +- lock/lock0iter.c | 20 +- lock/lock0lock.c | 41 +- log/log0log.c | 73 ++- log/log0recv.c | 340 +++++++---- mach/mach0data.c | 20 +- mem/mem0dbg.c | 43 +- mem/mem0mem.c | 46 +- mem/mem0pool.c | 29 +- mtr/mtr0log.c | 30 +- mtr/mtr0mtr.c | 30 +- mysql-test/innodb-autoinc.result | 300 +++++++++- mysql-test/innodb-autoinc.test | 145 ++++- mysql-test/innodb-semi-consistent.result | 7 + mysql-test/innodb-semi-consistent.test | 13 + mysql-test/innodb-zip.result | 3 - mysql-test/innodb-zip.test | 1 + mysql-test/innodb.result | 2 +- mysql-test/patches/bug32625.diff | 10 - mysql-test/patches/bug41893.diff | 87 --- .../innodb_thread_concurrency_basic.diff | 31 + mysql-test/patches/partition_innodb.diff | 59 ++ os/os0file.c | 63 +- os/os0proc.c | 65 +- os/os0sync.c | 20 +- os/os0thread.c | 30 +- page/page0cur.c | 30 +- page/page0page.c | 88 ++- page/page0zip.c | 69 ++- pars/lexyy.c | 18 + pars/make_bison.sh | 14 + pars/make_flex.sh | 14 + pars/pars0grm.c | 48 +- pars/pars0grm.y | 25 +- pars/pars0lex.l | 25 +- pars/pars0opt.c | 20 +- pars/pars0pars.c | 20 +- pars/pars0sym.c | 20 +- plug.in | 40 ++ que/que0que.c | 20 +- read/read0read.c | 20 +- rem/rem0cmp.c | 20 +- rem/rem0rec.c | 22 +- row/row0ext.c | 20 +- row/row0ins.c | 20 +- row/row0merge.c | 20 +- row/row0mysql.c | 110 ++-- row/row0purge.c | 20 +- row/row0row.c | 20 +- row/row0sel.c | 102 ++-- row/row0uins.c | 20 +- row/row0umod.c | 20 +- row/row0undo.c | 20 +- row/row0upd.c | 33 +- row/row0vers.c | 20 +- setup.sh | 24 + srv/srv0que.c | 20 +- srv/srv0srv.c | 89 +-- srv/srv0start.c | 211 ++++--- sync/sync0arr.c | 61 +- sync/sync0rw.c | 71 +-- sync/sync0sync.c | 66 +-- thr/thr0loc.c | 20 +- trx/trx0i_s.c | 20 +- trx/trx0purge.c | 20 +- trx/trx0rec.c | 30 +- trx/trx0roll.c | 20 +- trx/trx0rseg.c | 20 +- trx/trx0sys.c | 96 +-- trx/trx0trx.c | 22 +- trx/trx0undo.c | 45 +- usr/usr0sess.c | 20 +- ut/ut0auxconf.c | 13 + ut/ut0byte.c | 20 +- ut/ut0dbg.c | 27 +- ut/ut0list.c | 18 + ut/ut0mem.c | 92 ++- ut/ut0rnd.c | 20 +- ut/ut0ut.c | 33 +- ut/ut0vec.c | 18 + ut/ut0wqueue.c | 18 + win-plugin/win-plugin.diff | 29 +- 314 files changed, 8764 insertions(+), 2930 deletions(-) create mode 100644 COPYING create mode 100644 COPYING.Google create mode 100644 include/ut0auxconf.h delete mode 100644 mysql-test/patches/bug32625.diff delete mode 100644 mysql-test/patches/bug41893.diff create mode 100644 mysql-test/patches/innodb_thread_concurrency_basic.diff create mode 100644 mysql-test/patches/partition_innodb.diff create mode 100644 ut/ut0auxconf.c diff --git a/CMakeLists.txt b/CMakeLists.txt index 1fcc92212bb..61f0fec9a3f 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,7 +15,7 @@ SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") -ADD_DEFINITIONS(-DMYSQL_SERVER -D_WIN32 -D_LIB) +ADD_DEFINITIONS(-D_WIN32 -D_LIB) # Bug 19424 - InnoDB: Possibly a memory overrun of the buffer being freed (64-bit Visual C) # Removing Win64 compiler optimizations for all innodb/mem/* files. @@ -69,6 +69,7 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c IF(NOT SOURCE_SUBLIBS) ADD_LIBRARY(innobase ${INNOBASE_SOURCES}) ADD_DEPENDENCIES(innobase GenError) + SET_TARGET_PROPERTIES(innobase PROPERTIES COMPILE_FLAGS "-DMYSQL_SERVER") IF(INNODB_DYNAMIC_PLUGIN) # The dynamic plugin requires CMake 2.6.0 or later. 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN + WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY + MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE + LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, + INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR + INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF + DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU + OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY + OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN + ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS +How to Apply These Terms to Your New Programs +============================================= + +If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these +terms. + +To do so, attach the following notices to the program. It is safest to +attach them to the start of each source file to most effectively convey +the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + ONE LINE TO GIVE THE PROGRAM'S NAME AND A BRIEF IDEA OF WHAT IT DOES. + Copyright (C) YYYY NAME OF AUTHOR + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) 19YY NAME OF AUTHOR + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the +appropriate parts of the General Public License. Of course, the +commands you use may be called something other than `show w' and `show +c'; they could even be mouse-clicks or menu items--whatever suits your +program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + SIGNATURE OF TY COON, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, +you may consider it more useful to permit linking proprietary +applications with the library. If this is what you want to do, use the +GNU Library General Public License instead of this License. diff --git a/COPYING.Google b/COPYING.Google new file mode 100644 index 00000000000..5ade2b0e381 --- /dev/null +++ b/COPYING.Google @@ -0,0 +1,30 @@ +Portions of this software contain modifications contributed by Google, Inc. +These contributions are used with the following license: + +Copyright (c) 2008, Google Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of the Google Inc. nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/ChangeLog b/ChangeLog index 568cdc39a8c..4e9f88cde18 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,31 +1,128 @@ +2009-03-20 The InnoDB Team + + * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: + Remove the compile-time constant parameters of + recv_recover_page(), recv_scan_log_recs(), and recv_sys_init(). + +2009-03-20 The InnoDB Team + + * data/data0type.c, handler/ha_innodb.cc, include/ha_prototypes.h: + Declare innobase_get_at_most_n_mbchars() in ha_prototypes.h. + +2009-03-20 The InnoDB Team + + * fil/fil0fil.h, fil/fil0fil.c, srv/srv0start.c: + Add the parameter hash_size to fil_init(). + +2009-03-20 The InnoDB Team + + * fil/fil0fil.c: + Refer to fil_system directly, not via local variables. + +2009-03-20 The InnoDB Team + + * page/page0page.c: + In page_validate(), always report the space id, page number and + the name of the index when corruption is noticed. + +2009-03-20 The InnoDB Team + + * include/log0log.h, include/log0log.ic, log/log0log.c: + Add in/out comments or const qualifiers to some function + parameters as appropriate. + +2009-03-20 The InnoDB Team + + * dict/dict0boot.c, dict/dict0dict.c, fsp/fsp0fsp.c, + include/dict0dict.h, include/srv0srv.h, srv/srv0srv.c, + page/page0page.c: + Replace srv_sys->dummy_ind1 and srv_sys->dummy_ind2 with + dict_ind_redundant and dict_ind_compact, which are + initialized by dict_init(). + +2008-03-11 The InnoDB Team + + InnoDB Plugin 1.0.3 released + +2009-03-05 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#43203 Overflow from auto incrementing causes server segv + +2009-02-25 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#42714 AUTO_INCREMENT errors in 5.1.31 + +2009-02-23 The InnoDB Team + + * btr/btr0cur.c: + Fix Bug#43043 Crash on BLOB delete operation + +2009-02-20 The InnoDB Team + + * handler/ha_innodb.cc: + Make innodb_use_sys_malloc=ON the default. + +2009-02-20 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#42400 InnoDB autoinc code can't handle floating-point columns + +2009-02-18 The InnoDB Team + + * include/ut0mem.h, os/os0proc.c, ut/ut0mem.c: + Protect ut_total_allocated_memory with ut_list_mutex in + os_mem_alloc_large() and os_mem_free_large(). The lack of this mutex + protection could cause an assertion failure during fast index + creation. Also, add UNIV_MEM_ALLOC and UNIV_MEM_FREE instrumentation + to os_mem_alloc_large() and os_mem_free_large(), so that Valgrind can + detect more errors. + +2009-02-11 The InnoDB Team + + * handler/ha_innodb.cc: + Make innodb_thread_concurrency=0 the default. The old default value + was 8. A non-zero setting may be useful when InnoDB is showing severe + scalability problems under multiple concurrent connections. + 2009-02-10 The InnoDB Team - * handler/ha_innodb.h, handler/ha_innodb.cc: + * handler/ha_innodb.cc, handler/ha_innodb.h: Fix Bug#41676 Table names are case insensitive in locking +2009-02-10 The InnoDB Team + + * mem/mem0dbg.c, mem/mem0mem.c, mem/mem0pool.c: + When innodb_use_sys_malloc is set, ignore + innodb_additional_mem_pool_size, because nothing will be allocated + from mem_comm_pool. + 2009-02-10 The InnoDB Team * ut/ut0mem.c: - Map ut_malloc_low(), ut_realloc(), and ut_free() directly to - malloc(), realloc(), and free() when innodb_use_sys_malloc is set. - As a side effect, ut_total_allocated_memory ("Total memory allocated" - in the "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) - will exclude any memory allocated by these functions when + Map ut_malloc_low(), ut_realloc(), and ut_free() directly to malloc(), + realloc(), and free() when innodb_use_sys_malloc is set. As a side + effect, ut_total_allocated_memory ("Total memory allocated" in the + "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) will + exclude any memory allocated by these functions when innodb_use_sys_malloc is set. 2009-02-10 The InnoDB Team * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, - include/buf0buf.ic, include/os0sync.h, include/os0sync.ic, - include/srv0srv.h, include/sync0rw.h, include/sync0rw.ic, - include/sync0sync.h, include/sync0sync.ic, include/univ.i, - row/row0sel.c, srv/srv0srv.c, srv/srv0start.c, - sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: + include/buf0buf.ic, include/os0sync.h, include/srv0srv.h, + include/sync0rw.h, include/sync0rw.ic, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, row/row0sel.c, srv/srv0srv.c, + srv/srv0start.c, sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: On those platforms that support it, implement the synchronization primitives of InnoDB mutexes and read/write locks with GCC atomic - builtins instead of Pthreads mutexes and InnoDB mutexes. These - changes are based on a patch supplied by Mark Callaghan of Google - under a BSD license. + builtins instead of Pthreads mutexes and InnoDB mutexes. These changes + are based on a patch supplied by Mark Callaghan of Google under a BSD + license. 2009-01-30 The InnoDB Team @@ -37,33 +134,31 @@ 2009-01-29 The InnoDB Team - * handler/ha_innodb.cc, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, - ibuf/ibuf0ibuf.c: + * handler/ha_innodb.cc, ibuf/ibuf0ibuf.c, include/ibuf0ibuf.h, + include/ibuf0ibuf.ic: Implement the settable global variable innodb_change_buffering, - with the allowed values 'none' and 'inserts'. The default value + with the allowed values 'none' and 'inserts'. The default value 'inserts' enables the buffering of inserts to non-unique secondary index trees when the B-tree leaf page is not in the buffer pool. 2009-01-27 The InnoDB Team * buf/buf0lru.c: - Fix a race condition in buf_LRU_invalidate_tablespace(): - The compressed page size (zip_size) was read while the block - descriptor was no longer protected by a mutex. This could lead to - corruption when a table is dropped on a busy system that contains - compressed tables. + Fix a race condition in buf_LRU_invalidate_tablespace(): The + compressed page size (zip_size) was read while the block descriptor + was no longer protected by a mutex. This could lead to corruption + when a table is dropped on a busy system that contains compressed + tables. 2009-01-26 The InnoDB Team - * include/buf0buf.h, include/buf0buf.ic, buf/buf0buf.c, - include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c, - btr/btr0sea.c: - Implement buf_block_align() with pointer arithmetics, as it is in - the built-in InnoDB distributed with MySQL. Do not acquire the - buffer pool mutex before buf_block_align(). This removes a - scalability bottleneck in the adaptive hash index lookup. In - CHECK TABLE, check that buf_pool->page_hash is consistent with - buf_block_align(). + * btr/btr0sea.c, buf/buf0buf.c, include/buf0buf.h, include/buf0buf.ic, + include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c: + Implement buf_block_align() with pointer arithmetics, as it is in the + built-in InnoDB distributed with MySQL. Do not acquire the buffer pool + mutex before buf_block_align(). This removes a scalability bottleneck + in the adaptive hash index lookup. In CHECK TABLE, check that + buf_pool->page_hash is consistent with buf_block_align(). 2009-01-23 The InnoDB Team @@ -72,7 +167,7 @@ 2009-01-23 The InnoDB Team - * include/buf0buf.h, buf/buf0buf.c: + * buf/buf0buf.c, include/buf0buf.h: Remove the unused mode BUF_GET_NOWAIT of buf_page_get_gen() 2009-01-20 The InnoDB Team @@ -98,31 +193,31 @@ 2009-01-13 The InnoDB Team - * include/hash0hash.h, include/dict0dict.ic, dict/dict0dict.c, - include/buf0buf.ic, buf/buf0buddy.c, trx/trx0i_s.c, - handler/ha_innodb.cc, handler/win_delay_loader.cc, - dict/dict0mem.c, ha/ha0storage.c, thr/thr0loc.c, fil/fil0fil.c: + * buf/buf0buddy.c, dict/dict0dict.c, dict/dict0mem.c, fil/fil0fil.c, + ha/ha0storage.c, handler/ha_innodb.cc, handler/win_delay_loader.cc, + include/buf0buf.ic, include/dict0dict.ic, include/hash0hash.h, + thr/thr0loc.c, trx/trx0i_s.c: Add the parameter ASSERTION to HASH_SEARCH() macro, and use it for light validation of the traversed items in hash table lookups when UNIV_DEBUG is enabled. 2009-01-09 The InnoDB Team - * include/buf0flu.h, include/buf0flu.ic, buf/buf0flu.c: + * buf/buf0flu.c, include/buf0flu.h, include/buf0flu.ic: Remove unused code from the functions buf_flush_insert_into_flush_list() and buf_flush_insert_sorted_into_flush_list(). 2009-01-09 The InnoDB Team - * buf/buf0flu.c: Simplify the functions buf_flush_try_page() and - buf_flush_batch(). Add debug assertions and an explanation to - buf_flush_write_block_low(). + * buf/buf0flu.c: + Simplify the functions buf_flush_try_page() and buf_flush_batch(). Add + debug assertions and an explanation to buf_flush_write_block_low(). 2009-01-07 The InnoDB Team * row/row0merge.c: - Fix a bug in recovery when dropping temporary indexes + Fix a bug in recovery when dropping temporary indexes. 2009-01-07 The InnoDB Team @@ -137,115 +232,100 @@ 2009-01-02 The InnoDB Team - * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c, - srv/srv0start.c, mem/mem0pool.c, + * handler/ha_innodb.cc, include/srv0srv.h, mem/mem0pool.c, mysql-test/innodb-use-sys-malloc-master.opt, mysql-test/innodb-use-sys-malloc.result, - mysql-test/innodb-use-sys-malloc.test: - Implement the configuration parameter innodb_use_sys_malloc - (false by default), for disabling InnoDB's internal memory allocator - and using system malloc/free instead. The "BUFFER POOL AND MEMORY" - section of SHOW ENGINE INNODB STATUS will report - "in additional pool allocated allocated 0" when - innodb_use_sys_malloc is set. + mysql-test/innodb-use-sys-malloc.test, srv/srv0srv.c, srv/srv0start.c: + Implement the configuration parameter innodb_use_sys_malloc (false by + default), for disabling InnoDB's internal memory allocator and using + system malloc/free instead. The "BUFFER POOL AND MEMORY" section of + SHOW ENGINE INNODB STATUS will report "in additional pool allocated + allocated 0" when innodb_use_sys_malloc is set. 2008-12-30 The InnoDB Team * btr/btr0btr.c: - When setting the PAGE_LEVEL of a compressed B-tree page from or to - 0, compress the page at the same time. This is necessary, because - the column information stored on the compressed page will differ - between leaf and non-leaf pages. Leaf pages are identified by - PAGE_LEVEL=0. This bug can make InnoDB crash when all rows of a - compressed table are deleted. + When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, + compress the page at the same time. This is necessary, because the + column information stored on the compressed page will differ between + leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. + This bug can make InnoDB crash when all rows of a compressed table are + deleted. 2008-12-17 The InnoDB Team - * include/row0upd.h, include/row0sel.h, pars/pars0pars.c, - row/row0upd.c, row/row0sel.c, row/row0mysql.c: - Remove update-in-place select from the internal SQL interpreter. - It was only used for updating the InnoDB internal data dictionary - when renaming or dropping tables. It could have caused deadlocks - when acquiring latches on insert buffer bitmap pages. + * include/row0sel.h, include/row0upd.h, pars/pars0pars.c, + row/row0mysql.c, row/row0sel.c, row/row0upd.c: + Remove update-in-place select from the internal SQL interpreter. It + was only used for updating the InnoDB internal data dictionary when + renaming or dropping tables. It could have caused deadlocks when + acquiring latches on insert buffer bitmap pages. 2008-12-17 The InnoDB Team - * include/univ.i, include/buf0buf.h, include/hash0hash.h, - include/ha0ha.h, include/ha0ha.ic, ha/ha0ha.c, ha/hash0hash.c, - btr/btr0sea.c, buf/buf0lru.c, buf/buf0buf.c: - Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling - adaptive hash index debugging independently of UNIV_DEBUG. + * btr/btr0sea.c, buf/buf0buf.c, buf/buf0lru.c, ha/ha0ha.c, + ha/hash0hash.c, include/buf0buf.h, include/ha0ha.h, include/ha0ha.ic, + include/hash0hash.h, include/univ.i: + Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling adaptive + hash index debugging independently of UNIV_DEBUG. 2008-12-16 The InnoDB Team * btr/btr0cur.c: - Do not update the free bits in the insert buffer bitmap when - inserting or deleting from the insert buffer B-tree. Assert that - records in the insert buffer B-tree are never updated. + Do not update the free bits in the insert buffer bitmap when inserting + or deleting from the insert buffer B-tree. Assert that records in the + insert buffer B-tree are never updated. 2008-12-12 The InnoDB Team - * include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0types.h, - include/ibuf0ibuf.ic, ibuf/ibuf0ibuf.c, - buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c: + * buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c, ibuf/ibuf0ibuf.c, + include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, + include/ibuf0types.h: Clean up the insert buffer subsystem so that only one insert buffer B-tree exists. - Originally, there were provisions in InnoDB for multiple insert buffer B-trees, apparently one for each tablespace. - When Heikki Tuuri implemented multiple InnoDB tablespaces in MySQL/InnoDB 4.1, he made the insert buffer live only in the system tablespace (space 0) but left the provisions in the code. 2008-12-11 The InnoDB Team - * include/srv0srv.h, srv/srv0srv.c, os/os0proc.c: - Fix the issue that the InnoDB plugin fails if - innodb_buffer_pool_size is defined bigger than 4096M on 64-bit - Windows. This bug should not have affected other 64-bit systems. + * include/srv0srv.h, os/os0proc.c, srv/srv0srv.c: + Fix the issue that the InnoDB plugin fails if innodb_buffer_pool_size + is defined bigger than 4096M on 64-bit Windows. This bug should not + have affected other 64-bit systems. 2008-12-09 The InnoDB Team * handler/ha_innodb.cc: Fix Bug#40386 Not flushing query cache after truncate. - ha_statistics.records cannot be 0 unless the table is empty, set - to 1 instead. The original problem of Bug#29507 has been fixed in - the server. - 2008-12-09 The InnoDB Team * handler/ha_innodb.cc, srv/srv0srv.c, trx/trx0trx.c: - Fix Bug#40760 Getting database deadlocks on simultaneous inserts. - - The config param innodb_thread_concurrency is dynamically set and - is read when a thread enters/exits innodb. If the value is - changed between the enter and exit time the behaviour becomes - erratic. The fix is not to use srv_thread_concurrency when - exiting, instead use the flag trx->declared_to_be_inside_innodb. + Fix Bug#40760 "set global innodb_thread_concurrency = 0;" is not safe 2008-12-04 The InnoDB Team - * include/mysql_addons.h, handler/mysql_addons.cc, - handler/ha_innodb.cc, trx/trx0i_s.c, win-plugin/win-plugin.diff: + * handler/ha_innodb.cc, handler/mysql_addons.cc, + include/mysql_addons.h, trx/trx0i_s.c, win-plugin/win-plugin.diff: Remove dependencies to MySQL internals (defining MYSQL_SERVER). 2008-12-02 The InnoDB Team * page/page0cur.c: - When allocating space for a record from the free list of - previously purged records, zero out the DB_TRX_ID and DB_ROLL_PTR - of the purged record if the new record would not overwrite these - fields. This fixes a harmless content mismatch reported by - page_zip_validate(). + When allocating space for a record from the free list of previously + purged records, zero out the DB_TRX_ID and DB_ROLL_PTR of the purged + record if the new record would not overwrite these fields. This fixes + a harmless content mismatch reported by page_zip_validate(). 2008-12-02 The InnoDB Team * row/row0merge.c: - Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that - the loop will actually be entered and temporary indexes be dropped - during crash recovery. + Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the + loop will actually be entered and temporary indexes be dropped during + crash recovery. 2008-12-01 The InnoDB Team diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 8ea9ff23082..d170232f24d 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The B-tree -(c) 1994-1996 Innobase Oy - Created 6/2/1994 Heikki Tuuri *******************************************************/ @@ -15,6 +31,8 @@ Created 6/2/1994 Heikki Tuuri #include "fsp0fsp.h" #include "page0page.h" #include "page0zip.h" + +#ifndef UNIV_HOTBACKUP #include "btr0cur.h" #include "btr0sea.h" #include "btr0pcur.h" @@ -908,6 +926,7 @@ btr_free_root( while (!fseg_free_step(header, mtr)); } +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Reorganizes an index page. */ @@ -943,29 +962,39 @@ btr_page_reorganize_low( data_size1 = page_get_data_size(page); max_ins_size1 = page_get_max_insert_size_after_reorganize(page, 1); +#ifndef UNIV_HOTBACKUP /* Write the log record */ mlog_open_and_write_index(mtr, page, index, page_is_comp(page) ? MLOG_COMP_PAGE_REORGANIZE : MLOG_PAGE_REORGANIZE, 0); +#endif /* !UNIV_HOTBACKUP */ /* Turn logging off */ log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); +#ifndef UNIV_HOTBACKUP temp_block = buf_block_alloc(0); +#else /* !UNIV_HOTBACKUP */ + ut_ad(block == back_block1); + temp_block = back_block2; +#endif /* !UNIV_HOTBACKUP */ temp_page = temp_block->frame; /* Copy the old page to temporary space */ buf_frame_copy(temp_page, page); +#ifndef UNIV_HOTBACKUP if (UNIV_LIKELY(!recovery)) { btr_search_drop_page_hash_index(block); } + block->check_index_page_at_flush = TRUE; +#endif /* !UNIV_HOTBACKUP */ + /* Recreate the page: note that global data on page (possible segment headers, next page-field, etc.) is preserved intact */ page_create(block, mtr, dict_table_is_comp(index->table)); - block->check_index_page_at_flush = TRUE; /* Copy the records from the temporary space to the recreated page; do not copy the lock bits yet */ @@ -986,10 +1015,12 @@ btr_page_reorganize_low( goto func_exit; } +#ifndef UNIV_HOTBACKUP if (UNIV_LIKELY(!recovery)) { /* Update the record lock bitmaps */ lock_move_reorganize_page(block, temp_block); } +#endif /* !UNIV_HOTBACKUP */ data_size2 = page_get_data_size(page); max_ins_size2 = page_get_max_insert_size_after_reorganize(page, 1); @@ -1016,7 +1047,9 @@ func_exit: #ifdef UNIV_ZIP_DEBUG ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ +#ifndef UNIV_HOTBACKUP buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ /* Restore logging mode */ mtr_set_log_mode(mtr, log_mode); @@ -1024,6 +1057,7 @@ func_exit: return(success); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Reorganizes an index page. IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf @@ -1041,6 +1075,7 @@ btr_page_reorganize( { return(btr_page_reorganize_low(FALSE, block, index, mtr)); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of reorganizing a page. */ @@ -1067,6 +1102,7 @@ btr_parse_page_reorganize( return(ptr); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Empties an index page. @see btr_page_create().*/ static @@ -2207,6 +2243,9 @@ btr_set_min_rec_mark_log( /* Write rec offset as a 2-byte ulint */ mlog_catenate_ulint(mtr, page_offset(rec), MLOG_2BYTES); } +#else /* !UNIV_HOTBACKUP */ +# define btr_set_min_rec_mark_log(rec,comp,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /******************************************************************** Parses the redo log record for setting an index record as the predefined @@ -2266,6 +2305,7 @@ btr_set_min_rec_mark( } } +#ifndef UNIV_HOTBACKUP /***************************************************************** Deletes on the upper level the node pointer to a page. */ UNIV_INTERN @@ -3641,3 +3681,4 @@ btr_validate_index( return(TRUE); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 367709a3a36..0f38d852031 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -1,3 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree cursor @@ -12,42 +37,8 @@ many pages in the tablespace before we start the operation, because if leaf splitting has been started, it is difficult to undo, except by crashing the database and doing a roll-forward. -(c) 1994-2001 Innobase Oy - Created 10/16/1994 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "btr0cur.h" @@ -55,6 +46,8 @@ Created 10/16/1994 Heikki Tuuri #include "btr0cur.ic" #endif +#include "row0upd.h" +#ifndef UNIV_HOTBACKUP #include "page0page.h" #include "page0zip.h" #include "rem0rec.h" @@ -105,12 +98,14 @@ can be released by page reorganize, then it is reorganized */ FIL_NULL if none */ /*--------------------------------------*/ #define BTR_BLOB_HDR_SIZE 8 +#endif /* !UNIV_HOTBACKUP */ /* A BLOB field reference full of zero, for use in assertions and tests. Initially, BLOB field references are set to zero, in dtuple_convert_big_rec(). */ UNIV_INTERN const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; +#ifndef UNIV_HOTBACKUP /*********************************************************************** Marks all extern fields in a record as owned by the record. This function should be called if the delete mark of a record is removed: a not delete @@ -179,6 +174,7 @@ btr_rec_get_externally_stored_len( in units of a database page */ rec_t* rec, /* in: record */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ +#endif /* !UNIV_HOTBACKUP */ /********************************************************** The following function is used to set the deleted bit of a record. */ @@ -200,6 +196,7 @@ btr_rec_set_deleted_flag( } } +#ifndef UNIV_HOTBACKUP /*==================== B-TREE SEARCH =========================*/ /************************************************************************ @@ -1684,6 +1681,7 @@ btr_cur_update_in_place_log( row_upd_index_write_log(update, log_ptr, mtr); } +#endif /* UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of updating a record in-place. */ @@ -1763,6 +1761,7 @@ func_exit: return(ptr); } +#ifndef UNIV_HOTBACKUP /***************************************************************** See if there is enough place in the page modification log to log an update-in-place. */ @@ -2543,6 +2542,7 @@ btr_cur_del_mark_set_clust_rec_log( mlog_close(mtr, log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************** Parses the redo log record for delete marking or unmarking of a clustered @@ -2624,6 +2624,7 @@ btr_cur_parse_del_mark_set_clust_rec( return(ptr); } +#ifndef UNIV_HOTBACKUP /*************************************************************** Marks a clustered index record deleted. Writes an undo log record to undo log on this delete marking. Writes in the trx id field the id @@ -2748,6 +2749,7 @@ btr_cur_del_mark_set_sec_rec_log( mlog_close(mtr, log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************** Parses the redo log record for delete marking or unmarking of a secondary @@ -2792,6 +2794,7 @@ btr_cur_parse_del_mark_set_sec_rec( return(ptr); } +#ifndef UNIV_HOTBACKUP /*************************************************************** Sets a secondary index record delete mark to TRUE or FALSE. */ UNIV_INTERN @@ -4069,10 +4072,21 @@ btr_store_big_rec_extern_fields( int err; page_zip_des_t* blob_page_zip; - mach_write_to_2(page + FIL_PAGE_TYPE, - prev_page_no == FIL_NULL - ? FIL_PAGE_TYPE_ZBLOB - : FIL_PAGE_TYPE_ZBLOB2); + /* Write FIL_PAGE_TYPE to the redo log + separately, before logging any other + changes to the page, so that the debug + assertions in + recv_parse_or_apply_log_rec_body() can + be made simpler. Before InnoDB Plugin + 1.0.4, the initialization of + FIL_PAGE_TYPE was logged as part of + the mlog_log_string() below. */ + + mlog_write_ulint(page + FIL_PAGE_TYPE, + prev_page_no == FIL_NULL + ? FIL_PAGE_TYPE_ZBLOB + : FIL_PAGE_TYPE_ZBLOB2, + MLOG_2BYTES, &mtr); c_stream.next_out = page + FIL_PAGE_DATA; @@ -4118,9 +4132,9 @@ btr_store_big_rec_extern_fields( memset(page + page_zip_get_size(page_zip) - c_stream.avail_out, 0, c_stream.avail_out); - mlog_log_string(page + FIL_PAGE_TYPE, + mlog_log_string(page + FIL_PAGE_FILE_FLUSH_LSN, page_zip_get_size(page_zip) - - FIL_PAGE_TYPE, + - FIL_PAGE_FILE_FLUSH_LSN, &mtr); /* Copy the page to compressed storage, because it will be flushed to disk @@ -4265,6 +4279,44 @@ next_zip_page: return(DB_SUCCESS); } +/*********************************************************************** +Check the FIL_PAGE_TYPE on an uncompressed BLOB page. */ +static +void +btr_check_blob_fil_page_type( +/*=========================*/ + ulint space_id, /* in: space id */ + ulint page_no, /* in: page number */ + const page_t* page, /* in: page */ + ibool read) /* in: TRUE=read, FALSE=purge */ +{ + ulint type = fil_page_get_type(page); + + ut_a(space_id == page_get_space_id(page)); + ut_a(page_no == page_get_page_no(page)); + + if (UNIV_UNLIKELY(type != FIL_PAGE_TYPE_BLOB)) { + ulint flags = fil_space_get_flags(space_id); + + if (UNIV_LIKELY + ((flags & DICT_TF_FORMAT_MASK) == DICT_TF_FORMAT_51)) { + /* Old versions of InnoDB did not initialize + FIL_PAGE_TYPE on BLOB pages. Do not print + anything about the type mismatch when reading + a BLOB page that is in Antelope format.*/ + return; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: FIL_PAGE_TYPE=%lu" + " on BLOB %s space %lu page %lu flags %lx\n", + (ulong) type, read ? "read" : "purge", + (ulong) space_id, (ulong) page_no, (ulong) flags); + ut_error; + } +} + /*********************************************************************** Frees the space in an externally stored field to the file space management if the field in data is owned by the externally stored field, @@ -4418,8 +4470,9 @@ btr_free_externally_stored_field( MLOG_4BYTES, &mtr); } } else { - ut_a(fil_page_get_type(page) == FIL_PAGE_TYPE_BLOB); ut_a(!page_zip); + btr_check_blob_fil_page_type(space_id, page_no, page, + FALSE); next_page_no = mach_read_from_4( page + FIL_PAGE_DATA @@ -4429,9 +4482,6 @@ btr_free_externally_stored_field( because we did not store it on the page (we save the space overhead from an index page header. */ - ut_a(space_id == page_get_space_id(page)); - ut_a(page_no == page_get_page_no(page)); - btr_page_free_low(index, ext_block, 0, &mtr); mlog_write_ulint(field_ref + BTR_EXTERN_PAGE_NO, @@ -4569,9 +4619,8 @@ btr_copy_blob_prefix( buf_block_dbg_add_level(block, SYNC_EXTERN_STORAGE); page = buf_block_get_frame(block); - /* Unfortunately, FIL_PAGE_TYPE was uninitialized for - many pages until MySQL/InnoDB 5.1.7. */ - /* ut_ad(fil_page_get_type(page) == FIL_PAGE_TYPE_BLOB); */ + btr_check_blob_fil_page_type(space_id, page_no, page, TRUE); + blob_header = page + offset; part_len = btr_blob_get_part_len(blob_header); copy_len = ut_min(part_len, len - copied_len); @@ -4922,3 +4971,4 @@ btr_rec_copy_externally_stored_field( return(btr_copy_externally_stored_field(len, data, zip_size, local_len, heap)); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index 7adedf7e035..b14efefe13f 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree persistent cursor -(c) 1996 Innobase Oy - Created 2/23/1996 Heikki Tuuri *******************************************************/ diff --git a/btr/btr0sea.c b/btr/btr0sea.c index e56ea75a058..8aafd738542 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -1,44 +1,34 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The index tree adaptive search -(c) 1996 Innobase Oy - Created 2/17/1996 Heikki Tuuri *************************************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ - #include "btr0sea.h" #ifdef UNIV_NONINL #include "btr0sea.ic" diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index c6a2c2dacf9..63c7dd5f7c0 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Binary buddy allocator for compressed pages -(c) 2006 Innobase Oy - Created December 2006 by Marko Makela *******************************************************/ @@ -65,6 +81,8 @@ buf_buddy_add_to_free( if (b) UNIV_MEM_VALID(b, BUF_BUDDY_LOW << i); #endif /* UNIV_DEBUG_VALGRIND */ + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); ut_ad(buf_pool->zip_free[i].start != bpage); UT_LIST_ADD_FIRST(list, buf_pool->zip_free[i], bpage); @@ -94,6 +112,7 @@ buf_buddy_remove_from_free( ut_ad(!next || buf_page_get_state(next) == BUF_BLOCK_ZIP_FREE); #endif /* UNIV_DEBUG_VALGRIND */ + ut_ad(buf_pool_mutex_own()); ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); UT_LIST_REMOVE(list, buf_pool->zip_free[i], bpage); @@ -118,10 +137,12 @@ buf_buddy_alloc_zip( ut_ad(buf_pool_mutex_own()); ut_a(i < BUF_BUDDY_SIZES); -#if defined UNIV_DEBUG && !defined UNIV_DEBUG_VALGRIND +#ifndef UNIV_DEBUG_VALGRIND /* Valgrind would complain about accessing free memory. */ - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i]); -#endif /* UNIV_DEBUG && !UNIV_DEBUG_VALGRIND */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state(ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); +#endif /* !UNIV_DEBUG_VALGRIND */ bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); if (bpage) { @@ -205,6 +226,7 @@ buf_buddy_block_register( const ulint fold = BUF_POOL_ZIP_FOLD(block); ut_ad(buf_pool_mutex_own()); ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_READY_FOR_USE); buf_block_set_state(block, BUF_BLOCK_MEMORY); @@ -246,10 +268,13 @@ buf_buddy_alloc_from( bpage = (buf_page_t*) ((byte*) buf + offs); ut_d(memset(bpage, j, BUF_BUDDY_LOW << j)); bpage->state = BUF_BLOCK_ZIP_FREE; -#if defined UNIV_DEBUG && !defined UNIV_DEBUG_VALGRIND +#ifndef UNIV_DEBUG_VALGRIND /* Valgrind would complain about accessing free memory. */ - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[j]); -#endif /* UNIV_DEBUG && !UNIV_DEBUG_VALGRIND */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state( + ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); +#endif /* !UNIV_DEBUG_VALGRIND */ buf_buddy_add_to_free(bpage, j); } @@ -489,7 +514,8 @@ buf_buddy_free_low( /*===============*/ void* buf, /* in: block to be freed, must not be pointed to by the buffer pool */ - ulint i) /* in: index of buf_pool->zip_free[] */ + ulint i) /* in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ { buf_page_t* bpage; buf_page_t* buddy; @@ -559,7 +585,9 @@ buddy_free2: #ifndef UNIV_DEBUG_VALGRIND buddy_nonfree: /* Valgrind would complain about accessing free memory. */ - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i])); + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state(ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); #endif /* UNIV_DEBUG_VALGRIND */ /* The buddy is not free. Is there a free block of this size? */ @@ -585,21 +613,20 @@ buddy_nonfree: buddy = (buf_page_t*) buf_buddy_get(((byte*) bpage), BUF_BUDDY_LOW << i); -#if defined UNIV_DEBUG && !defined UNIV_DEBUG_VALGRIND - { - const buf_page_t* b; +#ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing free memory. */ - /* The buddy must not be (completely) free, because - we always recombine adjacent free blocks. - (Parts of the buddy can be free in - buf_pool->zip_free[j] with j < i.)*/ - for (b = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); - b; b = UT_LIST_GET_NEXT(list, b)) { + /* The buddy must not be (completely) free, because we + always recombine adjacent free blocks. - ut_a(b != buddy); - } - } -#endif /* UNIV_DEBUG && !UNIV_DEBUG_VALGRIND */ + (Parts of the buddy can be free in + buf_pool->zip_free[j] with j < i.) */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state( + ut_list_node_313) + == BUF_BLOCK_ZIP_FREE + && ut_list_node_313 != buddy))); +#endif /* !UNIV_DEBUG_VALGRIND */ if (buf_buddy_relocate(buddy, buf, i)) { diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 68abcdec12b..c878484ae8c 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1,56 +1,33 @@ -/* Innobase relational database engine; Copyright (C) 2001 Innobase Oy +/***************************************************************************** - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License 2 - as published by the Free Software Foundation in June 1991. +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ - You should have received a copy of the GNU General Public License 2 - along with this program (in file COPYING); if not, write to the Free - Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /****************************************************** The database buffer buf_pool -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "buf0buf.h" @@ -58,17 +35,20 @@ Created 11/5/1995 Heikki Tuuri #include "buf0buf.ic" #endif -#include "buf0buddy.h" #include "mem0mem.h" #include "btr0btr.h" #include "fil0fil.h" +#ifndef UNIV_HOTBACKUP +#include "buf0buddy.h" #include "lock0lock.h" #include "btr0sea.h" #include "ibuf0ibuf.h" +#include "trx0undo.h" +#include "log0log.h" +#endif /* !UNIV_HOTBACKUP */ +#include "srv0srv.h" #include "dict0dict.h" #include "log0recv.h" -#include "trx0undo.h" -#include "srv0srv.h" #include "page0zip.h" /* @@ -258,6 +238,7 @@ that the whole area may be needed in the near future, and issue the read requests for the whole area. */ +#ifndef UNIV_HOTBACKUP /* Value in microseconds */ static const int WAIT_FOR_READ = 5000; @@ -293,6 +274,7 @@ struct buf_chunk_struct{ was allocated for the frames */ buf_block_t* blocks; /* array of buffer control blocks */ }; +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Calculates a page checksum which is stored to the page when it is written @@ -361,9 +343,7 @@ buf_page_is_corrupted( { ulint checksum_field; ulint old_checksum_field; -#ifndef UNIV_HOTBACKUP - ib_uint64_t current_lsn; -#endif + if (UNIV_LIKELY(!zip_size) && memcmp(read_buf + FIL_PAGE_LSN + 4, read_buf + UNIV_PAGE_SIZE @@ -376,8 +356,11 @@ buf_page_is_corrupted( } #ifndef UNIV_HOTBACKUP - if (recv_lsn_checks_on && log_peek_lsn(¤t_lsn)) { - if (current_lsn < mach_read_ull(read_buf + FIL_PAGE_LSN)) { + if (recv_lsn_checks_on) { + ib_uint64_t current_lsn; + + if (log_peek_lsn(¤t_lsn) + && current_lsn < mach_read_ull(read_buf + FIL_PAGE_LSN)) { ut_print_timestamp(stderr); fprintf(stderr, @@ -461,7 +444,9 @@ buf_page_print( ulint zip_size) /* in: compressed page size, or 0 for uncompressed pages */ { +#ifndef UNIV_HOTBACKUP dict_index_t* index; +#endif /* !UNIV_HOTBACKUP */ ulint checksum; ulint old_checksum; ulint size = zip_size; @@ -575,6 +560,7 @@ buf_page_print( (ulong) mach_read_from_4(read_buf + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); +#ifndef UNIV_HOTBACKUP if (mach_read_from_2(read_buf + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_TYPE) == TRX_UNDO_INSERT) { fprintf(stderr, @@ -585,6 +571,7 @@ buf_page_print( fprintf(stderr, "InnoDB: Page may be an update undo log page\n"); } +#endif /* !UNIV_HOTBACKUP */ switch (fil_page_get_type(read_buf)) { case FIL_PAGE_INDEX: @@ -595,16 +582,7 @@ buf_page_print( btr_page_get_index_id(read_buf)), (ulong) ut_dulint_get_low( btr_page_get_index_id(read_buf))); - -#ifdef UNIV_HOTBACKUP - /* If the code is in ibbackup, dict_sys may be uninitialized, - i.e., NULL */ - - if (dict_sys == NULL) { - break; - } -#endif /* UNIV_HOTBACKUP */ - +#ifndef UNIV_HOTBACKUP index = dict_index_find_on_id_low( btr_page_get_index_id(read_buf)); if (index) { @@ -612,6 +590,7 @@ buf_page_print( dict_index_name_print(stderr, NULL, index); fputs(")\n", stderr); } +#endif /* !UNIV_HOTBACKUP */ break; case FIL_PAGE_INODE: fputs("InnoDB: Page may be an 'inode' page\n", stderr); @@ -656,6 +635,7 @@ buf_page_print( } } +#ifndef UNIV_HOTBACKUP /************************************************************************ Initializes a buffer control block when the buf_pool is created. */ static @@ -1030,7 +1010,6 @@ buf_pool_free(void) buf_pool->n_chunks = 0; } - /************************************************************************ Drops the adaptive hash index. To prevent a livelock, this function is only to be called while holding btr_search_latch and while @@ -1178,7 +1157,8 @@ buf_relocate( #endif /* UNIV_LRU_DEBUG */ } - ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU)); + ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, + ut_ad(ut_list_node_313->in_LRU_list))); /* relocate buf_pool->page_hash */ fold = buf_page_address_fold(bpage->space, bpage->offset); @@ -1858,10 +1838,11 @@ buf_block_init_low( block->n_bytes = 0; block->left_side = TRUE; } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Decompress a block. */ -static +UNIV_INTERN ibool buf_zip_decompress( /*===============*/ @@ -1925,6 +1906,7 @@ buf_zip_decompress( return(FALSE); } +#ifndef UNIV_HOTBACKUP /*********************************************************************** Gets the block to whose frame the pointer is pointing to. */ UNIV_INTERN @@ -2709,39 +2691,6 @@ buf_pool_watch_notify( } } -#ifdef UNIV_HOTBACKUP -/************************************************************************ -Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ -UNIV_INTERN -void -buf_page_init_for_backup_restore( -/*=============================*/ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space - in units of a page */ - ulint zip_size,/* in: compressed page size in bytes - or 0 for uncompressed pages */ - buf_block_t* block) /* in: block to init */ -{ - buf_block_init_low(block); - - block->lock_hash_val = 0; - - buf_page_init_low(&block->page); - block->page.state = BUF_BLOCK_FILE_PAGE; - block->page.space = space; - block->page.offset = offset; - - page_zip_des_init(&block->page.zip); - - /* We assume that block->page.data has been allocated - with zip_size == UNIV_PAGE_SIZE. */ - ut_ad(zip_size <= UNIV_PAGE_SIZE); - ut_ad(ut_is_2pow(zip_size)); - page_zip_set_size(&block->page.zip, zip_size); -} -#endif /* UNIV_HOTBACKUP */ - /************************************************************************ Inits a page to the buffer buf_pool. */ static @@ -3293,7 +3242,7 @@ corrupt: if (recv_recovery_is_on()) { /* Pages must be uncompressed for crash recovery. */ ut_a(uncompressed); - recv_recover_page(FALSE, TRUE, (buf_block_t*) bpage); + recv_recover_page(TRUE, (buf_block_t*) bpage); } if (uncompressed && !recv_no_ibuf_operations) { @@ -4033,3 +3982,33 @@ buf_get_free_list_len(void) return(len); } +#else /* !UNIV_HOTBACKUP */ +/************************************************************************ +Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ +UNIV_INTERN +void +buf_page_init_for_backup_restore( +/*=============================*/ + ulint space, /* in: space id */ + ulint offset, /* in: offset of the page within space + in units of a page */ + ulint zip_size,/* in: compressed page size in bytes + or 0 for uncompressed pages */ + buf_block_t* block) /* in: block to init */ +{ + block->page.state = BUF_BLOCK_FILE_PAGE; + block->page.space = space; + block->page.offset = offset; + + page_zip_des_init(&block->page.zip); + + /* We assume that block->page.data has been allocated + with zip_size == UNIV_PAGE_SIZE. */ + ut_ad(zip_size <= UNIV_PAGE_SIZE); + ut_ad(ut_is_2pow(zip_size)); + page_zip_set_size(&block->page.zip, zip_size); + if (zip_size) { + block->page.zip.data = block->frame + UNIV_PAGE_SIZE; + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 9585cb2238b..bf536d4c166 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer buf_pool flush algorithm -(c) 1995-2001 Innobase Oy - Created 11/11/1995 Heikki Tuuri *******************************************************/ @@ -10,22 +26,22 @@ Created 11/11/1995 Heikki Tuuri #ifdef UNIV_NONINL #include "buf0flu.ic" -#include "trx0sys.h" #endif +#include "buf0buf.h" +#include "srv0srv.h" +#include "page0zip.h" +#ifndef UNIV_HOTBACKUP #include "ut0byte.h" #include "ut0lst.h" #include "page0page.h" -#include "page0zip.h" #include "fil0fil.h" -#include "buf0buf.h" #include "buf0lru.h" #include "buf0rea.h" #include "ibuf0ibuf.h" #include "log0log.h" #include "os0file.h" #include "trx0sys.h" -#include "srv0srv.h" #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************** @@ -377,7 +393,8 @@ buf_flush_remove( bpage->oldest_modification = 0; - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list)); + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, + ut_ad(ut_list_node_313->in_flush_list))); } /*********************************************************************** @@ -780,6 +797,7 @@ try_again: mutex_exit(&(trx_doublewrite->mutex)); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Initializes a page for writing to the tablespace. */ @@ -859,6 +877,7 @@ buf_flush_init_for_writing( : BUF_NO_CHECKSUM_MAGIC); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Does an asynchronous write of a buffer page. NOTE: in simulated aio and also when the doublewrite buffer is used, we must call @@ -1414,7 +1433,8 @@ buf_flush_validate_low(void) buf_page_t* bpage; const ib_rbt_node_t* rnode = NULL; - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list); + UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, + ut_ad(ut_list_node_313->in_flush_list)); bpage = UT_LIST_GET_FIRST(buf_pool->flush_list); @@ -1471,3 +1491,4 @@ buf_flush_validate(void) return(ret); } #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 3afb9b8e9b7..d6371ba348b 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer replacement algorithm -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ @@ -1772,6 +1788,9 @@ buf_LRU_block_remove_hashed_page( void* data = bpage->zip.data; bpage->zip.data = NULL; + ut_ad(!bpage->in_free_list); + ut_ad(!bpage->in_flush_list); + ut_ad(!bpage->in_LRU_list); mutex_exit(&((buf_block_t*) bpage)->mutex); buf_pool_mutex_exit_forbid(); buf_buddy_free(data, page_zip_get_size(&bpage->zip)); @@ -1874,7 +1893,8 @@ buf_LRU_validate(void) ut_a(old_len <= new_len + BUF_LRU_OLD_TOLERANCE); } - UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU); + UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, + ut_ad(ut_list_node_313->in_LRU_list)); bpage = UT_LIST_GET_FIRST(buf_pool->LRU); @@ -1922,7 +1942,8 @@ buf_LRU_validate(void) ut_a(buf_pool->LRU_old_len == old_len); } - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->free); + UT_LIST_VALIDATE(list, buf_page_t, buf_pool->free, + ut_ad(ut_list_node_313->in_free_list)); for (bpage = UT_LIST_GET_FIRST(buf_pool->free); bpage != NULL; @@ -1931,7 +1952,9 @@ buf_LRU_validate(void) ut_a(buf_page_get_state(bpage) == BUF_BLOCK_NOT_USED); } - UT_LIST_VALIDATE(unzip_LRU, buf_block_t, buf_pool->unzip_LRU); + UT_LIST_VALIDATE(unzip_LRU, buf_block_t, buf_pool->unzip_LRU, + ut_ad(ut_list_node_313->in_unzip_LRU_list + && ut_list_node_313->page.in_LRU_list)); for (block = UT_LIST_GET_FIRST(buf_pool->unzip_LRU); block; diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 83e75ff593e..bfecb963e30 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer read -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ diff --git a/compile-innodb b/compile-innodb index 027ff727af0..82601f03ae9 100755 --- a/compile-innodb +++ b/compile-innodb @@ -1,4 +1,19 @@ #! /bin/sh +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# path=`dirname $0` . "$path/SETUP.sh" diff --git a/compile-innodb-debug b/compile-innodb-debug index d179c9453ce..efb4abf88d5 100755 --- a/compile-innodb-debug +++ b/compile-innodb-debug @@ -1,4 +1,19 @@ #! /bin/sh +# +# Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# path=`dirname $0` . "$path/SETUP.sh" $@ --with-debug=full diff --git a/data/data0data.c b/data/data0data.c index a9bdff0eb4e..42aa0003d31 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ SQL data field and tuple -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ @@ -12,6 +28,7 @@ Created 5/30/1994 Heikki Tuuri #include "data0data.ic" #endif +#ifndef UNIV_HOTBACKUP #include "rem0rec.h" #include "rem0cmp.h" #include "page0page.h" @@ -20,6 +37,7 @@ Created 5/30/1994 Heikki Tuuri #include "btr0cur.h" #include +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /* data pointers of tuple fields are initialized to point here @@ -32,6 +50,7 @@ UNIV_INTERN ulint data_dummy; # endif /* !UNIV_DEBUG_VALGRIND */ #endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP /************************************************************************* Tests if dfield data length and content is equal to the given. */ UNIV_INTERN @@ -176,7 +195,9 @@ dump: return(TRUE); } +#endif /* !UNIV_HOTBACKUP */ +#ifdef UNIV_DEBUG /************************************************************** Checks that a data field is typed. Asserts an error if not. */ UNIV_INTERN @@ -222,7 +243,6 @@ dtuple_check_typed( return(TRUE); } -#ifdef UNIV_DEBUG /************************************************************** Validates the consistency of a tuple which must be complete, i.e, all fields must have been set. */ @@ -275,6 +295,7 @@ dtuple_validate( } #endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP /***************************************************************** Pretty prints a dfield value according to its data type. */ UNIV_INTERN @@ -740,3 +761,4 @@ dtuple_convert_back_big_rec( mem_heap_free(vector->heap); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/data/data0type.c b/data/data0type.c index 36a01db8789..e03f4fee003 100644 --- a/data/data0type.c +++ b/data/data0type.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data types -(c) 1996 Innobase Oy - Created 1/16/1996 Heikki Tuuri *******************************************************/ @@ -12,26 +28,8 @@ Created 1/16/1996 Heikki Tuuri #include "data0type.ic" #endif -/********************************************************************** -This function is used to find the storage length in bytes of the first n -characters for prefix indexes using a multibyte character set. The function -finds charset information and returns length of prefix_len characters in the -index field in bytes. - -NOTE: the prototype of this function is copied from ha_innodb.cc! If you change -this function, you MUST change also the prototype here! */ -UNIV_INTERN -ulint -innobase_get_at_most_n_mbchars( -/*===========================*/ - /* out: number of bytes occupied by the first - n characters */ - ulint charset_id, /* in: character set id */ - ulint prefix_len, /* in: prefix length in bytes of the index - (this has to be divided by mbmaxlen to get the - number of CHARACTERS n in the prefix) */ - ulint data_len, /* in: length of the string in bytes */ - const char* str); /* in: character string */ +#ifndef UNIV_HOTBACKUP +# include "ha_prototypes.h" /* At the database startup we store the default-charset collation number of this MySQL installation to this global variable. If we have < 4.1.2 format @@ -62,7 +60,6 @@ dtype_get_at_most_n_mbchars( const char* str) /* in: the string whose prefix length is being determined */ { -#ifndef UNIV_HOTBACKUP ut_a(data_len != UNIV_SQL_NULL); ut_ad(!mbmaxlen || !(prefix_len % mbmaxlen)); @@ -80,13 +77,8 @@ dtype_get_at_most_n_mbchars( } return(data_len); -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; -#endif /* UNIV_HOTBACKUP */ } +#endif /* UNIV_HOTBACKUP */ /************************************************************************* Checks if a data main type is a string type. Also a BLOB is considered a @@ -186,11 +178,14 @@ dtype_validate( ut_a((type->prtype & DATA_MYSQL_TYPE_MASK) < DATA_N_SYS_COLS); } +#ifndef UNIV_HOTBACKUP ut_a(type->mbminlen <= type->mbmaxlen); +#endif /* !UNIV_HOTBACKUP */ return(TRUE); } +#ifndef UNIV_HOTBACKUP /************************************************************************* Prints a data type structure. */ UNIV_INTERN @@ -282,3 +277,4 @@ dtype_print( fprintf(stderr, " len %lu", (ulong) len); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/dict/dict0boot.c b/dict/dict0boot.c index a1a94c078e6..34ec4e393f8 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary creation and booting -(c) 1996 Innobase Oy - Created 4/18/1996 Heikki Tuuri *******************************************************/ @@ -145,7 +161,7 @@ dict_hdr_create( /*--------------------------*/ root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, DICT_HDR_SPACE, 0, DICT_TABLES_ID, - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); if (root_page_no == FIL_NULL) { return(FALSE); @@ -156,7 +172,7 @@ dict_hdr_create( /*--------------------------*/ root_page_no = btr_create(DICT_UNIQUE, DICT_HDR_SPACE, 0, DICT_TABLE_IDS_ID, - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); if (root_page_no == FIL_NULL) { return(FALSE); @@ -167,7 +183,7 @@ dict_hdr_create( /*--------------------------*/ root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, DICT_HDR_SPACE, 0, DICT_COLUMNS_ID, - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); if (root_page_no == FIL_NULL) { return(FALSE); @@ -178,7 +194,7 @@ dict_hdr_create( /*--------------------------*/ root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, DICT_HDR_SPACE, 0, DICT_INDEXES_ID, - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); if (root_page_no == FIL_NULL) { return(FALSE); @@ -189,7 +205,7 @@ dict_hdr_create( /*--------------------------*/ root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, DICT_HDR_SPACE, 0, DICT_FIELDS_ID, - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); if (root_page_no == FIL_NULL) { return(FALSE); diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 243cdbc03d5..b9662c9a44c 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 000e3d1017f..e95a666269d 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Data dictionary system -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri ***********************************************************************/ @@ -12,6 +28,12 @@ Created 1/8/1996 Heikki Tuuri #include "dict0dict.ic" #endif +/* dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +dict_index_t* dict_ind_redundant; +/* dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +dict_index_t* dict_ind_compact; + +#ifndef UNIV_HOTBACKUP #include "buf0buf.h" #include "data0type.h" #include "mach0data.h" @@ -29,10 +51,8 @@ Created 1/8/1996 Heikki Tuuri #include "que0que.h" #include "rem0cmp.h" #include "row0merge.h" -#ifndef UNIV_HOTBACKUP -# include "m_ctype.h" /* my_isspace() */ -# include "ha_prototypes.h" /* innobase_strcasecmp() */ -#endif /* !UNIV_HOTBACKUP */ +#include "m_ctype.h" /* my_isspace() */ +#include "ha_prototypes.h" /* innobase_strcasecmp() */ #include @@ -135,7 +155,6 @@ UNIV_INTERN FILE* dict_foreign_err_file = NULL; /* mutex protecting the foreign and unique error buffers */ UNIV_INTERN mutex_t dict_foreign_err_mutex; -#ifndef UNIV_HOTBACKUP /********************************************************************** Makes all characters in a NUL-terminated UTF-8 string lower case. */ UNIV_INTERN @@ -146,7 +165,6 @@ dict_casedn_str( { innobase_casedn_str(a); } -#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Checks if the database name in two table names is the same. */ @@ -243,6 +261,7 @@ dict_table_decrement_handle_count( mutex_exit(&dict_sys->mutex); } } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Returns a column's name. */ @@ -274,7 +293,7 @@ dict_table_get_col_name( return(s); } - +#ifndef UNIV_HOTBACKUP /************************************************************************ Acquire the autoinc lock.*/ UNIV_INTERN @@ -373,6 +392,7 @@ dict_index_get_on_id_low( return(NULL); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Looks for column n in an index. */ @@ -416,6 +436,7 @@ dict_index_get_nth_col_pos( return(ULINT_UNDEFINED); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Returns TRUE if the index contains a column or a prefix of that column. */ UNIV_INTERN @@ -656,6 +677,7 @@ dict_table_get( return(table); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Adds system columns to a table object. */ @@ -703,6 +725,7 @@ dict_table_add_system_columns( #endif } +#ifndef UNIV_HOTBACKUP /************************************************************************** Adds a table object to the dictionary cache. */ UNIV_INTERN @@ -1691,6 +1714,7 @@ found: ; } } +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Adds a column to index. */ @@ -1738,6 +1762,7 @@ dict_index_add_col( } } +#ifndef UNIV_HOTBACKUP /*********************************************************************** Copies fields contained in index2 to index1. */ static @@ -2177,7 +2202,6 @@ dict_foreign_remove_from_cache( dict_foreign_free(foreign); } -#ifndef UNIV_HOTBACKUP /************************************************************************** Looks for the foreign constraint from the foreign and referenced lists of a table. */ @@ -3845,7 +3869,6 @@ syntax_error: return(DB_CANNOT_DROP_CONSTRAINT); } -#endif /* UNIV_HOTBACKUP */ /*==================== END OF FOREIGN KEY PROCESSING ====================*/ @@ -4604,7 +4627,43 @@ dict_index_name_print( fputs(" of table ", file); ut_print_name(file, trx, TRUE, index->table_name); } +#endif /* !UNIV_HOTBACKUP */ +/************************************************************************** +Inits dict_ind_redundant and dict_ind_compact. */ +UNIV_INTERN +void +dict_ind_init(void) +/*===============*/ +{ + dict_table_t* table; + + /* create dummy table and index for REDUNDANT infimum and supremum */ + table = dict_mem_table_create("SYS_DUMMY1", DICT_HDR_SPACE, 1, 0); + dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, + DATA_ENGLISH | DATA_NOT_NULL, 8); + + dict_ind_redundant = dict_mem_index_create("SYS_DUMMY1", "SYS_DUMMY1", + DICT_HDR_SPACE, 0, 1); + dict_index_add_col(dict_ind_redundant, table, + dict_table_get_nth_col(table, 0), 0); + dict_ind_redundant->table = table; + /* create dummy table and index for COMPACT infimum and supremum */ + table = dict_mem_table_create("SYS_DUMMY2", + DICT_HDR_SPACE, 1, DICT_TF_COMPACT); + dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, + DATA_ENGLISH | DATA_NOT_NULL, 8); + dict_ind_compact = dict_mem_index_create("SYS_DUMMY2", "SYS_DUMMY2", + DICT_HDR_SPACE, 0, 1); + dict_index_add_col(dict_ind_compact, table, + dict_table_get_nth_col(table, 0), 0); + dict_ind_compact->table = table; + + /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ + dict_ind_redundant->cached = dict_ind_compact->cached = TRUE; +} + +#ifndef UNIV_HOTBACKUP /************************************************************************** Get index by name */ UNIV_INTERN @@ -4729,3 +4788,4 @@ dict_table_check_for_dup_indexes( } } #endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/dict/dict0load.c b/dict/dict0load.c index 521c9d656ec..44590a261a6 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Loads to the memory cache database object definitions from dictionary tables -(c) 1996 Innobase Oy - Created 4/24/1996 Heikki Tuuri *******************************************************/ diff --git a/dict/dict0mem.c b/dict/dict0mem.c index bba7837f6b6..8225682346e 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Data dictionary memory object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri ***********************************************************************/ @@ -16,7 +32,9 @@ Created 1/8/1996 Heikki Tuuri #include "data0type.h" #include "mach0data.h" #include "dict0dict.h" -#include "lock0lock.h" +#ifndef UNIV_HOTBACKUP +# include "lock0lock.h" +#endif /* !UNIV_HOTBACKUP */ #define DICT_HEAP_SIZE 100 /* initial memory heap size when creating a table or index object */ @@ -56,6 +74,7 @@ dict_mem_table_create( table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS) * sizeof(dict_col_t)); +#ifndef UNIV_HOTBACKUP table->autoinc_lock = mem_heap_alloc(heap, lock_get_size()); mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); @@ -65,10 +84,9 @@ dict_mem_table_create( /* The number of transactions that are either waiting on the AUTOINC lock or have been granted the lock. */ table->n_waiting_or_granted_auto_inc_locks = 0; +#endif /* !UNIV_HOTBACKUP */ -#ifdef UNIV_DEBUG - table->magic_n = DICT_TABLE_MAGIC_N; -#endif /* UNIV_DEBUG */ + ut_d(table->magic_n = DICT_TABLE_MAGIC_N); return(table); } @@ -150,8 +168,10 @@ dict_mem_table_add_col( ulint len) /* in: precision */ { dict_col_t* col; +#ifndef UNIV_HOTBACKUP ulint mbminlen; ulint mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ ulint i; ut_ad(table); @@ -183,10 +203,12 @@ dict_mem_table_add_col( col->prtype = (unsigned int) prtype; col->len = (unsigned int) len; +#ifndef UNIV_HOTBACKUP dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen); col->mbminlen = (unsigned int) mbminlen; col->mbmaxlen = (unsigned int) mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ } /************************************************************************** @@ -216,7 +238,9 @@ dict_mem_index_create( index->heap = heap; index->type = type; +#ifndef UNIV_HOTBACKUP index->space = (unsigned int) space; +#endif /* !UNIV_HOTBACKUP */ index->name = mem_heap_strdup(heap, index_name); index->table_name = table_name; index->n_fields = (unsigned int) n_fields; diff --git a/dyn/dyn0dyn.c b/dyn/dyn0dyn.c index ecb6c27f441..16e82eaed66 100644 --- a/dyn/dyn0dyn.c +++ b/dyn/dyn0dyn.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The dynamically allocated array -(c) 1996 Innobase Oy - Created 2/5/1996 Heikki Tuuri *******************************************************/ diff --git a/eval/eval0eval.c b/eval/eval0eval.c index 46dd8284c16..a2590c63c38 100644 --- a/eval/eval0eval.c +++ b/eval/eval0eval.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL evaluator: evaluates simple data structures, like expressions, in a query graph -(c) 1997 Innobase Oy - Created 12/29/1997 Heikki Tuuri *******************************************************/ diff --git a/eval/eval0proc.c b/eval/eval0proc.c index d8b86f689ee..9c7563e8c7d 100644 --- a/eval/eval0proc.c +++ b/eval/eval0proc.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Executes SQL stored procedures and their control structures -(c) 1998 Innobase Oy - Created 1/20/1998 Heikki Tuuri *******************************************************/ diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 73c0f47233c..f00f2e154ef 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -1,23 +1,35 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The tablespace memory cache -(c) 1995 Innobase Oy - Created 10/25/1995 Heikki Tuuri *******************************************************/ #include "fil0fil.h" #include "mem0mem.h" -#include "sync0sync.h" #include "hash0hash.h" #include "os0file.h" -#include "os0sync.h" #include "mach0data.h" -#include "ibuf0ibuf.h" #include "buf0buf.h" #include "buf0flu.h" -#include "buf0lru.h" #include "log0recv.h" #include "fsp0fsp.h" #include "srv0srv.h" @@ -26,7 +38,14 @@ Created 10/25/1995 Heikki Tuuri #include "mtr0log.h" #include "dict0dict.h" #include "page0zip.h" - +#ifndef UNIV_HOTBACKUP +# include "buf0lru.h" +# include "ibuf0ibuf.h" +# include "sync0sync.h" +# include "os0sync.h" +#else /* !UNIV_HOTBACKUP */ +static ulint srv_data_read, srv_data_written; +#endif /* !UNIV_HOTBACKUP */ /* IMPLEMENTATION OF THE TABLESPACE MEMORY CACHE @@ -181,8 +200,10 @@ struct fil_space_struct { forbidden if this is > 0 */ hash_node_t hash; /* hash chain node */ hash_node_t name_hash;/* hash chain the name_hash table */ +#ifndef UNIV_HOTBACKUP rw_lock_t latch; /* latch protecting the file space storage allocation */ +#endif /* !UNIV_HOTBACKUP */ UT_LIST_NODE_T(fil_space_t) unflushed_spaces; /* list of spaces with at least one unflushed file we have written to */ @@ -201,7 +222,9 @@ form a 'space' and it is handled here */ typedef struct fil_system_struct fil_system_t; struct fil_system_struct { +#ifndef UNIV_HOTBACKUP mutex_t mutex; /* The mutex protecting the cache */ +#endif /* !UNIV_HOTBACKUP */ hash_table_t* spaces; /* The hash table of spaces in the system; they are hashed on the space id */ @@ -392,6 +415,7 @@ fil_space_get_by_name( return(space); } +#ifndef UNIV_HOTBACKUP /*********************************************************************** Returns the version number of a tablespace, -1 if not found. */ UNIV_INTERN @@ -402,13 +426,12 @@ fil_space_get_version( exist in the memory cache */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; ib_int64_t version = -1; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -416,7 +439,7 @@ fil_space_get_version( version = space->tablespace_version; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(version); } @@ -431,12 +454,11 @@ fil_space_get_latch( ulint id, /* in: space id */ ulint* flags) /* out: tablespace flags */ { - fil_system_t* system = fil_system; fil_space_t* space; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -446,7 +468,7 @@ fil_space_get_latch( *flags = space->flags; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(&(space->latch)); } @@ -460,21 +482,21 @@ fil_space_get_type( /* out: FIL_TABLESPACE or FIL_LOG */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); ut_a(space); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(space->purpose); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Checks if all the file nodes in a space are flushed. The caller must hold @@ -488,7 +510,7 @@ fil_space_is_flushed( { fil_node_t* node; - ut_ad(mutex_own(&(fil_system->mutex))); + ut_ad(mutex_own(&fil_system->mutex)); node = UT_LIST_GET_FIRST(space->chain); @@ -517,14 +539,13 @@ fil_node_create( ibool is_raw) /* in: TRUE if a raw device or a raw disk partition */ { - fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; - ut_a(system); + ut_a(fil_system); ut_a(name); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); node = mem_alloc(sizeof(fil_node_t)); @@ -555,7 +576,7 @@ fil_node_create( mem_free(node); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return; } @@ -566,7 +587,7 @@ fil_node_create( UT_LIST_ADD_LAST(chain, space->chain, node); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /************************************************************************ @@ -793,24 +814,23 @@ fil_try_to_close_file_in_LRU( ibool print_info) /* in: if TRUE, prints information why it cannot close a file */ { - fil_system_t* system = fil_system; fil_node_t* node; - ut_ad(mutex_own(&(system->mutex))); + ut_ad(mutex_own(&fil_system->mutex)); - node = UT_LIST_GET_LAST(system->LRU); + node = UT_LIST_GET_LAST(fil_system->LRU); if (print_info) { fprintf(stderr, "InnoDB: fil_sys open file LRU len %lu\n", - (ulong) UT_LIST_GET_LEN(system->LRU)); + (ulong) UT_LIST_GET_LEN(fil_system->LRU)); } while (node != NULL) { if (node->modification_counter == node->flush_counter && node->n_pending_flushes == 0) { - fil_node_close_file(node, system); + fil_node_close_file(node, fil_system); return(TRUE); } @@ -848,16 +868,14 @@ fil_mutex_enter_and_prepare_for_io( /*===============================*/ ulint space_id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; ibool success; ibool print_info = FALSE; ulint count = 0; ulint count2 = 0; - ut_ad(!mutex_own(&(system->mutex))); retry: - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); if (space_id == 0 || space_id >= SRV_LOG_SPACE_FIRST_ID) { /* We keep log files and system tablespace files always open; @@ -869,7 +887,7 @@ retry: return; } - if (system->n_open < system->max_n_open) { + if (fil_system->n_open < fil_system->max_n_open) { return; } @@ -888,7 +906,7 @@ retry: (ulong) count2); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); @@ -914,12 +932,12 @@ retry: close_more: success = fil_try_to_close_file_in_LRU(print_info); - if (success && system->n_open >= system->max_n_open) { + if (success && fil_system->n_open >= fil_system->max_n_open) { goto close_more; } - if (system->n_open < system->max_n_open) { + if (fil_system->n_open < fil_system->max_n_open) { /* Ok */ return; @@ -934,12 +952,13 @@ close_more: "InnoDB: You may need to raise the value of" " innodb_max_files_open in\n" "InnoDB: my.cnf.\n", - (ulong) system->n_open, (ulong) system->max_n_open); + (ulong) fil_system->n_open, + (ulong) fil_system->max_n_open); return; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); #ifndef UNIV_HOTBACKUP /* Wake the i/o-handler threads to make sure pending i/o's are @@ -1013,11 +1032,10 @@ fil_space_truncate_start( if this does not equal to the combined size of some initial files in the space */ { - fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -1030,10 +1048,10 @@ fil_space_truncate_start( trunc_len -= node->size * UNIV_PAGE_SIZE; - fil_node_free(node, system, space); + fil_node_free(node, fil_system, space); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } #endif /* UNIV_LOG_ARCHIVE */ @@ -1051,7 +1069,6 @@ fil_space_create( and file format, or 0 */ ulint purpose)/* in: FIL_TABLESPACE, or FIL_LOG if log */ { - fil_system_t* system = fil_system; fil_space_t* space; /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for @@ -1065,10 +1082,10 @@ try_again: "InnoDB: Adding tablespace %lu of name %s, purpose %lu\n", id, name, purpose);*/ - ut_a(system); + ut_a(fil_system); ut_a(name); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_name(name); @@ -1089,7 +1106,7 @@ try_again: if (id == 0 || purpose != FIL_TABLESPACE) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -1111,7 +1128,7 @@ try_again: namesake_id = space->id; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); fil_space_free(namesake_id); @@ -1133,7 +1150,7 @@ try_again: fputs(" already exists in the tablespace\n" "InnoDB: memory cache!\n", stderr); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -1143,12 +1160,12 @@ try_again: space->name = mem_strdup(name); space->id = id; - system->tablespace_version++; - space->tablespace_version = system->tablespace_version; + fil_system->tablespace_version++; + space->tablespace_version = fil_system->tablespace_version; space->mark = FALSE; - if (purpose == FIL_TABLESPACE && id > system->max_assigned_id) { - system->max_assigned_id = id; + if (purpose == FIL_TABLESPACE && id > fil_system->max_assigned_id) { + fil_system->max_assigned_id = id; } space->stop_ios = FALSE; @@ -1168,15 +1185,15 @@ try_again: rw_lock_create(&space->latch, SYNC_FSP); - HASH_INSERT(fil_space_t, hash, system->spaces, id, space); + HASH_INSERT(fil_space_t, hash, fil_system->spaces, id, space); - HASH_INSERT(fil_space_t, name_hash, system->name_hash, + HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, ut_fold_string(name), space); space->is_in_unflushed_spaces = FALSE; - UT_LIST_ADD_LAST(space_list, system->space_list, space); + UT_LIST_ADD_LAST(space_list, fil_system->space_list, space); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } @@ -1192,14 +1209,13 @@ fil_assign_new_space_id(void) /* out: new tablespace id; ULINT_UNDEFINED if could not assign an id */ { - fil_system_t* system = fil_system; ulint id; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - system->max_assigned_id++; + fil_system->max_assigned_id++; - id = system->max_assigned_id; + id = fil_system->max_assigned_id; if (id > (SRV_LOG_SPACE_FIRST_ID / 2) && (id % 1000000UL == 0)) { ut_print_timestamp(stderr); @@ -1225,12 +1241,12 @@ fil_assign_new_space_id(void) " have to dump all your tables and\n" "InnoDB: recreate the whole InnoDB installation.\n", (ulong) id); - system->max_assigned_id--; + fil_system->max_assigned_id--; id = ULINT_UNDEFINED; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(id); } @@ -1246,12 +1262,11 @@ fil_space_free( /* out: TRUE if success */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; fil_space_t* namespace; fil_node_t* fil_node; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -1262,28 +1277,28 @@ fil_space_free( " from the cache but\n" "InnoDB: it is not there.\n", (ulong) id); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } - HASH_DELETE(fil_space_t, hash, system->spaces, id, space); + HASH_DELETE(fil_space_t, hash, fil_system->spaces, id, space); namespace = fil_space_get_by_name(space->name); ut_a(namespace); ut_a(space == namespace); - HASH_DELETE(fil_space_t, name_hash, system->name_hash, + HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, ut_fold_string(space->name), space); if (space->is_in_unflushed_spaces) { space->is_in_unflushed_spaces = FALSE; - UT_LIST_REMOVE(unflushed_spaces, system->unflushed_spaces, + UT_LIST_REMOVE(unflushed_spaces, fil_system->unflushed_spaces, space); } - UT_LIST_REMOVE(space_list, system->space_list, space); + UT_LIST_REMOVE(space_list, fil_system->space_list, space); ut_a(space->magic_n == FIL_SPACE_MAGIC_N); ut_a(0 == space->n_pending_flushes); @@ -1291,14 +1306,14 @@ fil_space_free( fil_node = UT_LIST_GET_FIRST(space->chain); while (fil_node != NULL) { - fil_node_free(fil_node, system, space); + fil_node_free(fil_node, fil_system, space); fil_node = UT_LIST_GET_FIRST(space->chain); } ut_a(0 == UT_LIST_GET_LEN(space->chain)); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); rw_lock_free(&(space->latch)); @@ -1308,29 +1323,6 @@ fil_space_free( return(TRUE); } -#ifdef UNIV_HOTBACKUP -/*********************************************************************** -Returns the tablespace object for a given id, or NULL if not found from the -tablespace memory cache. */ -static -fil_space_t* -fil_get_space_for_id_low( -/*=====================*/ - /* out: tablespace object or NULL; NOTE that you must - own &(fil_system->mutex) to call this function! */ - ulint id) /* in: space id */ -{ - fil_system_t* system = fil_system; - fil_space_t* space; - - ut_ad(system); - - space = fil_space_get_by_id(id); - - return(space); -} -#endif - /*********************************************************************** Returns the size of the space in pages. The tablespace must be cached in the memory cache. */ @@ -1341,19 +1333,18 @@ fil_space_get_size( /* out: space size, 0 if space not found */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; ulint size; - ut_ad(system); + ut_ad(fil_system); fil_mutex_enter_and_prepare_for_io(id); space = fil_space_get_by_id(id); if (space == NULL) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(0); } @@ -1369,13 +1360,13 @@ fil_space_get_size( the file yet; the following calls will open it and update the size fields */ - fil_node_prepare_for_io(node, system, space); - fil_node_complete_io(node, system, OS_FILE_READ); + fil_node_prepare_for_io(node, fil_system, space); + fil_node_complete_io(node, fil_system, OS_FILE_READ); } size = space->size; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(size); } @@ -1390,12 +1381,11 @@ fil_space_get_flags( /* out: flags, ULINT_UNDEFINED if space not found */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; ulint flags; - ut_ad(system); + ut_ad(fil_system); if (UNIV_UNLIKELY(!id)) { return(0); @@ -1406,7 +1396,7 @@ fil_space_get_flags( space = fil_space_get_by_id(id); if (space == NULL) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(ULINT_UNDEFINED); } @@ -1422,13 +1412,13 @@ fil_space_get_flags( the file yet; the following calls will open it and update the size fields */ - fil_node_prepare_for_io(node, system, space); - fil_node_complete_io(node, system, OS_FILE_READ); + fil_node_prepare_for_io(node, fil_system, space); + fil_node_complete_io(node, fil_system, OS_FILE_READ); } flags = space->flags; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(flags); } @@ -1475,64 +1465,39 @@ fil_check_adress_in_tablespace( return(FALSE); } -/******************************************************************** -Creates a the tablespace memory cache. */ -static -fil_system_t* -fil_system_create( -/*==============*/ - /* out, own: tablespace memory cache */ - ulint hash_size, /* in: hash table size */ - ulint max_n_open) /* in: maximum number of open files; must be - > 10 */ -{ - fil_system_t* system; - - ut_a(hash_size > 0); - ut_a(max_n_open > 0); - - system = mem_alloc(sizeof(fil_system_t)); - - mutex_create(&system->mutex, SYNC_ANY_LATCH); - - system->spaces = hash_create(hash_size); - system->name_hash = hash_create(hash_size); - - UT_LIST_INIT(system->LRU); - - system->n_open = 0; - system->max_n_open = max_n_open; - - system->modification_counter = 0; - system->max_assigned_id = 0; - - system->tablespace_version = 0; - - UT_LIST_INIT(system->unflushed_spaces); - UT_LIST_INIT(system->space_list); - - return(system); -} - /******************************************************************** Initializes the tablespace memory cache. */ UNIV_INTERN void fil_init( /*=====*/ + ulint hash_size, /* in: hash table size */ ulint max_n_open) /* in: max number of open files */ { - ulint hash_size; - ut_a(fil_system == NULL); - if (srv_file_per_table) { - hash_size = 50000; - } else { - hash_size = 5000; - } + ut_a(hash_size > 0); + ut_a(max_n_open > 0); - fil_system = fil_system_create(hash_size, max_n_open); + fil_system = mem_alloc(sizeof(fil_system_t)); + + mutex_create(&fil_system->mutex, SYNC_ANY_LATCH); + + fil_system->spaces = hash_create(hash_size); + fil_system->name_hash = hash_create(hash_size); + + UT_LIST_INIT(fil_system->LRU); + + fil_system->n_open = 0; + fil_system->max_n_open = max_n_open; + + fil_system->modification_counter = 0; + fil_system->max_assigned_id = 0; + + fil_system->tablespace_version = 0; + + UT_LIST_INIT(fil_system->unflushed_spaces); + UT_LIST_INIT(fil_system->space_list); } /*********************************************************************** @@ -1546,13 +1511,12 @@ void fil_open_log_and_system_tablespace_files(void) /*==========================================*/ { - fil_system_t* system = fil_system; fil_space_t* space; fil_node_t* node; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - space = UT_LIST_GET_FIRST(system->space_list); + space = UT_LIST_GET_FIRST(fil_system->space_list); while (space != NULL) { if (space->purpose != FIL_TABLESPACE || space->id == 0) { @@ -1560,10 +1524,11 @@ fil_open_log_and_system_tablespace_files(void) while (node != NULL) { if (!node->open) { - fil_node_open_file(node, system, + fil_node_open_file(node, fil_system, space); } - if (system->max_n_open < 10 + system->n_open) { + if (fil_system->max_n_open + < 10 + fil_system->n_open) { fprintf(stderr, "InnoDB: Warning: you must" " raise the value of" @@ -1581,8 +1546,8 @@ fil_open_log_and_system_tablespace_files(void) " Current open files %lu," " max allowed" " open files %lu.\n", - (ulong) system->n_open, - (ulong) system->max_n_open); + (ulong) fil_system->n_open, + (ulong) fil_system->max_n_open); } node = UT_LIST_GET_NEXT(chain, node); } @@ -1590,7 +1555,7 @@ fil_open_log_and_system_tablespace_files(void) space = UT_LIST_GET_NEXT(space_list, space); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /*********************************************************************** @@ -1601,27 +1566,26 @@ void fil_close_all_files(void) /*=====================*/ { - fil_system_t* system = fil_system; fil_space_t* space; fil_node_t* node; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - space = UT_LIST_GET_FIRST(system->space_list); + space = UT_LIST_GET_FIRST(fil_system->space_list); while (space != NULL) { node = UT_LIST_GET_FIRST(space->chain); while (node != NULL) { if (node->open) { - fil_node_close_file(node, system); + fil_node_close_file(node, fil_system); } node = UT_LIST_GET_NEXT(chain, node); } space = UT_LIST_GET_NEXT(space_list, space); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /*********************************************************************** @@ -1633,23 +1597,21 @@ fil_set_max_space_id_if_bigger( /*===========================*/ ulint max_id) /* in: maximum known id */ { - fil_system_t* system = fil_system; - if (max_id >= SRV_LOG_SPACE_FIRST_ID) { fprintf(stderr, "InnoDB: Fatal error: max tablespace id" " is too high, %lu\n", (ulong) max_id); - ut_a(0); + ut_error; } - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - if (system->max_assigned_id < max_id) { + if (fil_system->max_assigned_id < max_id) { - system->max_assigned_id = max_id; + fil_system->max_assigned_id = max_id; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /******************************************************************** @@ -1700,7 +1662,7 @@ fil_write_flushed_lsn_to_data_files( ulint sum_of_sizes; ulint err; - mutex_enter(&(fil_system->mutex)); + mutex_enter(&fil_system->mutex); space = UT_LIST_GET_FIRST(fil_system->space_list); @@ -1717,7 +1679,7 @@ fil_write_flushed_lsn_to_data_files( node = UT_LIST_GET_FIRST(space->chain); while (node) { - mutex_exit(&(fil_system->mutex)); + mutex_exit(&fil_system->mutex); err = fil_write_lsn_and_arch_no_to_file( sum_of_sizes, lsn, arch_log_no); @@ -1726,7 +1688,7 @@ fil_write_flushed_lsn_to_data_files( return(err); } - mutex_enter(&(fil_system->mutex)); + mutex_enter(&fil_system->mutex); sum_of_sizes += node->size; node = UT_LIST_GET_NEXT(chain, node); @@ -1735,7 +1697,7 @@ fil_write_flushed_lsn_to_data_files( space = UT_LIST_GET_NEXT(space_list, space); } - mutex_exit(&(fil_system->mutex)); + mutex_exit(&fil_system->mutex); return(DB_SUCCESS); } @@ -1800,6 +1762,7 @@ fil_read_flushed_lsn_and_arch_log_no( /*================ SINGLE-TABLE TABLESPACES ==========================*/ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Increments the count of pending insert buffer page merges, if space is not being deleted. */ @@ -1811,10 +1774,9 @@ fil_inc_pending_ibuf_merges( be skipped */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -1826,14 +1788,14 @@ fil_inc_pending_ibuf_merges( } if (space == NULL || space->stop_ibuf_merges) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } space->n_pending_ibuf_merges++; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -1846,10 +1808,9 @@ fil_decr_pending_ibuf_merges( /*=========================*/ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -1864,8 +1825,9 @@ fil_decr_pending_ibuf_merges( space->n_pending_ibuf_merges--; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Creates the database directory for a table if it does not exist yet. */ @@ -2138,7 +2100,6 @@ fil_delete_tablespace( /* out: TRUE if success */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; ibool success; fil_space_t* space; fil_node_t* node; @@ -2147,7 +2108,7 @@ fil_delete_tablespace( ut_a(id != 0); stop_ibuf_merges: - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -2155,7 +2116,7 @@ stop_ibuf_merges: space->stop_ibuf_merges = TRUE; if (space->n_pending_ibuf_merges == 0) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); count = 0; @@ -2174,7 +2135,7 @@ stop_ibuf_merges: (ulong) count); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); count++; @@ -2183,11 +2144,11 @@ stop_ibuf_merges: } } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); count = 0; try_again: - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -2199,7 +2160,7 @@ try_again: " tablespace memory cache.\n", (ulong) id); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -2226,7 +2187,7 @@ try_again: (ulong) node->n_pending, (ulong) count); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); count++; @@ -2236,7 +2197,7 @@ try_again: path = mem_strdup(space->name); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); #ifndef UNIV_HOTBACKUP /* Invalidate in the buffer pool all pages belonging to the tablespace. Since we have set space->is_being_deleted = TRUE, readahead @@ -2284,6 +2245,7 @@ try_again: return(FALSE); } +#ifndef UNIV_HOTBACKUP /*********************************************************************** Discards a single-table tablespace. The tablespace must be cached in the memory cache. Discarding is like deleting a tablespace, but @@ -2318,6 +2280,7 @@ fil_discard_tablespace( return(success); } +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Renames the memory cache structures of a single-table tablespace. */ @@ -2330,10 +2293,11 @@ fil_rename_tablespace_in_mem( fil_node_t* node, /* in: file node of that tablespace */ const char* path) /* in: new name */ { - fil_system_t* system = fil_system; fil_space_t* space2; const char* old_name = space->name; + ut_ad(mutex_own(&fil_system->mutex)); + space2 = fil_space_get_by_name(old_name); if (space != space2) { fputs("InnoDB: Error: cannot find ", stderr); @@ -2352,7 +2316,7 @@ fil_rename_tablespace_in_mem( return(FALSE); } - HASH_DELETE(fil_space_t, name_hash, system->name_hash, + HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, ut_fold_string(space->name), space); mem_free(space->name); mem_free(node->name); @@ -2360,7 +2324,7 @@ fil_rename_tablespace_in_mem( space->name = mem_strdup(path); node->name = mem_strdup(path); - HASH_INSERT(fil_space_t, name_hash, system->name_hash, + HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, ut_fold_string(path), space); return(TRUE); } @@ -2414,7 +2378,6 @@ fil_rename_tablespace( databasename/tablename format of InnoDB */ { - fil_system_t* system = fil_system; ibool success; fil_space_t* space; fil_node_t* node; @@ -2441,7 +2404,7 @@ retry: fprintf(stderr, ", %lu iterations\n", (ulong) count); } - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -2452,14 +2415,14 @@ retry: "InnoDB: though the table ", (ulong) id); ut_print_filename(stderr, old_name); fputs(" in a rename operation should have that id\n", stderr); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } if (count > 25000) { space->stop_ios = FALSE; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -2477,7 +2440,7 @@ retry: /* There are pending i/o's or flushes, sleep for a while and retry */ - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); @@ -2486,7 +2449,7 @@ retry: } else if (node->modification_counter > node->flush_counter) { /* Flush the space */ - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); @@ -2497,7 +2460,7 @@ retry: } else if (node->open) { /* Close the file */ - fil_node_close_file(node, system); + fil_node_close_file(node, fil_system); } /* Check that the old name in the space is right */ @@ -2532,7 +2495,7 @@ retry: space->stop_ios = FALSE; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); #ifndef UNIV_HOTBACKUP if (success) { @@ -2754,6 +2717,7 @@ error_exit2: return(DB_SUCCESS); } +#ifndef UNIV_HOTBACKUP /************************************************************************ It is possible, though very improbable, that the lsn's in the tablespace to be imported have risen above the current system lsn, if a lengthy purge, ibuf @@ -3052,6 +3016,7 @@ func_exit: return(ret); } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP /*********************************************************************** @@ -3291,9 +3256,9 @@ fil_load_single_table_tablespace( file than delete it, because if there is a bug, we do not want to destroy valuable data. */ - mutex_enter(&(fil_system->mutex)); + mutex_enter(&fil_system->mutex); - space = fil_get_space_for_id_low(space_id); + space = fil_space_get_by_id(space_id); if (space) { char* new_path; @@ -3311,7 +3276,7 @@ fil_load_single_table_tablespace( new_path = fil_make_ibbackup_old_name(filepath); - mutex_exit(&(fil_system->mutex)); + mutex_exit(&fil_system->mutex); ut_a(os_file_rename(filepath, new_path)); @@ -3321,7 +3286,7 @@ fil_load_single_table_tablespace( return; } - mutex_exit(&(fil_system->mutex)); + mutex_exit(&fil_system->mutex); #endif success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); @@ -3521,12 +3486,11 @@ void fil_print_orphaned_tablespaces(void) /*================================*/ { - fil_system_t* system = fil_system; fil_space_t* space; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - space = UT_LIST_GET_FIRST(system->space_list); + space = UT_LIST_GET_FIRST(fil_system->space_list); while (space) { if (space->purpose == FIL_TABLESPACE && space->id != 0 @@ -3541,7 +3505,7 @@ fil_print_orphaned_tablespaces(void) space = UT_LIST_GET_NEXT(space_list, space); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /*********************************************************************** @@ -3558,29 +3522,28 @@ fil_tablespace_deleted_or_being_deleted_in_mem( you pass -1 as the value of this, then this parameter is ignored */ { - fil_system_t* system = fil_system; fil_space_t* space; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); if (space == NULL || space->is_being_deleted) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } if (version != ((ib_int64_t)-1) && space->tablespace_version != version) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -3594,24 +3557,17 @@ fil_tablespace_exists_in_mem( /* out: TRUE if exists */ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); - if (space == NULL) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); - return(FALSE); - } - - mutex_exit(&(system->mutex)); - - return(TRUE); + return(space != NULL); } /*********************************************************************** @@ -3642,14 +3598,13 @@ fil_space_for_table_exists_in_mem( matching tablespace is not found from memory */ { - fil_system_t* system = fil_system; fil_space_t* namespace; fil_space_t* space; char* path; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); path = fil_make_ibd_name(name, is_temp); @@ -3669,7 +3624,7 @@ fil_space_for_table_exists_in_mem( } mem_free(path); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } @@ -3677,7 +3632,7 @@ fil_space_for_table_exists_in_mem( if (!print_error_if_does_not_exist) { mem_free(path); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -3722,7 +3677,7 @@ error_exit: "InnoDB: for how to resolve the issue.\n", stderr); mem_free(path); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -3752,7 +3707,7 @@ error_exit: } mem_free(path); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(FALSE); } @@ -3769,14 +3724,13 @@ fil_get_space_id_for_table( const char* name) /* in: table name in the standard 'databasename/tablename' format */ { - fil_system_t* system = fil_system; fil_space_t* namespace; ulint id = ULINT_UNDEFINED; char* path; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); path = fil_make_ibd_name(name, FALSE); @@ -3791,7 +3745,7 @@ fil_get_space_id_for_table( mem_free(path); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(id); } @@ -3813,7 +3767,6 @@ fil_extend_space_to_desired_size( extension; if the current space size is bigger than this already, the function does nothing */ { - fil_system_t* system = fil_system; fil_node_t* node; fil_space_t* space; byte* buf2; @@ -3836,7 +3789,7 @@ fil_extend_space_to_desired_size( *actual_size = space->size; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } @@ -3848,7 +3801,7 @@ fil_extend_space_to_desired_size( node = UT_LIST_GET_LAST(space->chain); - fil_node_prepare_for_io(node, system, space); + fil_node_prepare_for_io(node, fil_system, space); start_page_no = space->size; file_start_page_no = space->size - node->size; @@ -3905,7 +3858,7 @@ fil_extend_space_to_desired_size( mem_free(buf2); - fil_node_complete_io(node, system, OS_FILE_WRITE); + fil_node_complete_io(node, fil_system, OS_FILE_WRITE); *actual_size = space->size; @@ -3924,7 +3877,7 @@ fil_extend_space_to_desired_size( /* printf("Extended %s to %lu, actual size %lu pages\n", space->name, size_after_extend, *actual_size); */ - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); fil_flush(space_id); @@ -3942,7 +3895,6 @@ void fil_extend_tablespaces_to_stored_len(void) /*======================================*/ { - fil_system_t* system = fil_system; fil_space_t* space; byte* buf; ulint actual_size; @@ -3952,17 +3904,18 @@ fil_extend_tablespaces_to_stored_len(void) buf = mem_alloc(UNIV_PAGE_SIZE); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - space = UT_LIST_GET_FIRST(system->space_list); + space = UT_LIST_GET_FIRST(fil_system->space_list); while (space) { ut_a(space->purpose == FIL_TABLESPACE); - mutex_exit(&(system->mutex)); /* no need to protect with a + mutex_exit(&fil_system->mutex); /* no need to protect with a mutex, because this is a single-threaded operation */ - error = fil_read(TRUE, space->id, space->zip_size, + error = fil_read(TRUE, space->id, + dict_table_flags_to_zip_size(space->flags), 0, 0, UNIV_PAGE_SIZE, buf, NULL); ut_a(error == DB_SUCCESS); @@ -3983,12 +3936,12 @@ fil_extend_tablespaces_to_stored_len(void) exit(1); } - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = UT_LIST_GET_NEXT(space_list, space); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); mem_free(buf); } @@ -4007,13 +3960,12 @@ fil_space_reserve_free_extents( ulint n_free_now, /* in: number of free extents now */ ulint n_to_reserve) /* in: how many one wants to reserve */ { - fil_system_t* system = fil_system; fil_space_t* space; ibool success; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -4026,7 +3978,7 @@ fil_space_reserve_free_extents( success = TRUE; } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(success); } @@ -4040,12 +3992,11 @@ fil_space_release_free_extents( ulint id, /* in: space id */ ulint n_reserved) /* in: how many one reserved */ { - fil_system_t* system = fil_system; fil_space_t* space; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -4054,7 +4005,7 @@ fil_space_release_free_extents( space->n_reserved_extents -= n_reserved; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /*********************************************************************** @@ -4066,13 +4017,12 @@ fil_space_get_n_reserved_extents( /*=============================*/ ulint id) /* in: space id */ { - fil_system_t* system = fil_system; fil_space_t* space; ulint n; - ut_ad(system); + ut_ad(fil_system); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(id); @@ -4080,7 +4030,7 @@ fil_space_get_n_reserved_extents( n = space->n_reserved_extents; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(n); } @@ -4237,7 +4187,6 @@ fil_io( void* message) /* in: message for aio handler if non-sync aio used, else ignored */ { - fil_system_t* system = fil_system; ulint mode; fil_space_t* space; fil_node_t* node; @@ -4262,14 +4211,15 @@ fil_io( # error "(1 << UNIV_PAGE_SIZE_SHIFT) != UNIV_PAGE_SIZE" #endif ut_ad(fil_validate()); -#ifndef UNIV_LOG_DEBUG +#ifndef UNIV_HOTBACKUP +# ifndef UNIV_LOG_DEBUG /* ibuf bitmap pages must be read in the sync aio mode: */ ut_ad(recv_no_ibuf_operations || (type == OS_FILE_WRITE) || !ibuf_bitmap_page(zip_size, block_offset) || sync || is_log); ut_ad(!ibuf_inside() || is_log || (type == OS_FILE_WRITE) || ibuf_page(space_id, zip_size, block_offset, NULL)); -#endif +# endif /* UNIV_LOG_DEBUG */ if (sync) { mode = OS_AIO_SYNC; } else if (is_log) { @@ -4281,6 +4231,10 @@ fil_io( } else { mode = OS_AIO_NORMAL; } +#else /* !UNIV_HOTBACKUP */ + ut_a(sync); + mode = OS_AIO_SYNC; +#endif /* !UNIV_HOTBACKUP */ if (type == OS_FILE_READ) { srv_data_read+= len; @@ -4296,7 +4250,7 @@ fil_io( space = fil_space_get_by_id(space_id); if (!space) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); ut_print_timestamp(stderr); fprintf(stderr, @@ -4340,7 +4294,7 @@ fil_io( } /* Open file if closed */ - fil_node_prepare_for_io(node, system, space); + fil_node_prepare_for_io(node, fil_system, space); /* Check that at least the start offset is within the bounds of a single-table tablespace */ @@ -4354,8 +4308,8 @@ fil_io( ut_error; } - /* Now we have made the changes in the data structures of system */ - mutex_exit(&(system->mutex)); + /* Now we have made the changes in the data structures of fil_system */ + mutex_exit(&fil_system->mutex); /* Calculate the low 32 bits and the high 32 bits of the file offset */ @@ -4409,11 +4363,11 @@ fil_io( /* The i/o operation is already completed when we return from os_aio: */ - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - fil_node_complete_io(node, system, type); + fil_node_complete_io(node, fil_system, type); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); ut_ad(fil_validate()); } @@ -4421,6 +4375,7 @@ fil_io( return(DB_SUCCESS); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Waits for an aio operation to complete. This function is used to write the handler for completed requests. The aio array of pending requests is divided @@ -4433,7 +4388,6 @@ fil_aio_wait( ulint segment) /* in: the number of the segment in the aio array to wait for */ { - fil_system_t* system = fil_system; ibool ret; fil_node_t* fil_node; void* message; @@ -4464,11 +4418,11 @@ fil_aio_wait( srv_set_io_thread_op_info(segment, "complete io for fil node"); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); fil_node_complete_io(fil_node, fil_system, type); - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); ut_ad(fil_validate()); @@ -4486,6 +4440,7 @@ fil_aio_wait( log_io_complete(message); } } +#endif /* UNIV_HOTBACKUP */ /************************************************************************** Flushes to disk possible writes cached by the OS. If the space does not exist @@ -4497,18 +4452,17 @@ fil_flush( ulint space_id) /* in: file space id (this can be a group of log files or a tablespace of the database) */ { - fil_system_t* system = fil_system; fil_space_t* space; fil_node_t* node; os_file_t file; ib_int64_t old_mod_counter; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); space = fil_space_get_by_id(space_id); if (!space || space->is_being_deleted) { - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return; } @@ -4544,11 +4498,11 @@ retry: not know what bugs OS's may contain in file i/o; sleep for a while */ - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); os_thread_sleep(20000); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); if (node->flush_counter >= old_mod_counter) { @@ -4562,14 +4516,14 @@ retry: file = node->handle; node->n_pending_flushes++; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); /* fprintf(stderr, "Flushing to file %s\n", node->name); */ os_file_flush(file); - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); node->n_pending_flushes--; skip_flush: @@ -4583,7 +4537,7 @@ skip_flush: UT_LIST_REMOVE( unflushed_spaces, - system->unflushed_spaces, + fil_system->unflushed_spaces, space); } } @@ -4600,7 +4554,7 @@ skip_flush: space->n_pending_flushes--; - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); } /************************************************************************** @@ -4612,30 +4566,29 @@ fil_flush_file_spaces( /*==================*/ ulint purpose) /* in: FIL_TABLESPACE, FIL_LOG */ { - fil_system_t* system = fil_system; fil_space_t* space; ulint* space_ids; ulint n_space_ids; ulint i; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); - n_space_ids = UT_LIST_GET_LEN(system->unflushed_spaces); + n_space_ids = UT_LIST_GET_LEN(fil_system->unflushed_spaces); if (n_space_ids == 0) { - mutex_exit(&system->mutex); + mutex_exit(&fil_system->mutex); return; } /* Assemble a list of space ids to flush. Previously, we - traversed system->unflushed_spaces and called UT_LIST_GET_NEXT() + traversed fil_system->unflushed_spaces and called UT_LIST_GET_NEXT() on a space that was just removed from the list by fil_flush(). Thus, the space could be dropped and the memory overwritten. */ space_ids = mem_alloc(n_space_ids * sizeof *space_ids); n_space_ids = 0; - for (space = UT_LIST_GET_FIRST(system->unflushed_spaces); + for (space = UT_LIST_GET_FIRST(fil_system->unflushed_spaces); space; space = UT_LIST_GET_NEXT(unflushed_spaces, space)) { @@ -4645,7 +4598,7 @@ fil_flush_file_spaces( } } - mutex_exit(&system->mutex); + mutex_exit(&fil_system->mutex); /* Flush the spaces. It will not hurt to call fil_flush() on a non-existing space id. */ @@ -4665,22 +4618,23 @@ fil_validate(void) /*==============*/ /* out: TRUE if ok */ { - fil_system_t* system = fil_system; fil_space_t* space; fil_node_t* fil_node; ulint n_open = 0; ulint i; - mutex_enter(&(system->mutex)); + mutex_enter(&fil_system->mutex); /* Look for spaces in the hash table */ - for (i = 0; i < hash_get_n_cells(system->spaces); i++) { + for (i = 0; i < hash_get_n_cells(fil_system->spaces); i++) { - space = HASH_GET_FIRST(system->spaces, i); + space = HASH_GET_FIRST(fil_system->spaces, i); while (space != NULL) { - UT_LIST_VALIDATE(chain, fil_node_t, space->chain); + UT_LIST_VALIDATE(chain, fil_node_t, space->chain, + ut_a(ut_list_node_313->open + || !ut_list_node_313->n_pending)); fil_node = UT_LIST_GET_FIRST(space->chain); @@ -4698,11 +4652,11 @@ fil_validate(void) } } - ut_a(system->n_open == n_open); + ut_a(fil_system->n_open == n_open); - UT_LIST_VALIDATE(LRU, fil_node_t, system->LRU); + UT_LIST_VALIDATE(LRU, fil_node_t, fil_system->LRU, (void) 0); - fil_node = UT_LIST_GET_FIRST(system->LRU); + fil_node = UT_LIST_GET_FIRST(fil_system->LRU); while (fil_node != NULL) { ut_a(fil_node->n_pending == 0); @@ -4713,7 +4667,7 @@ fil_validate(void) fil_node = UT_LIST_GET_NEXT(LRU, fil_node); } - mutex_exit(&(system->mutex)); + mutex_exit(&fil_system->mutex); return(TRUE); } diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 9864dd962dc..883b47b6a88 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File space management -(c) 1995 Innobase Oy - Created 11/29/1995 Heikki Tuuri ***********************************************************************/ @@ -14,18 +30,23 @@ Created 11/29/1995 Heikki Tuuri #include "buf0buf.h" #include "fil0fil.h" -#include "sync0sync.h" #include "mtr0log.h" -#include "fut0fut.h" #include "ut0byte.h" -#include "srv0srv.h" +#include "page0page.h" #include "page0zip.h" -#include "ibuf0ibuf.h" -#include "btr0btr.h" -#include "btr0sea.h" -#include "dict0boot.h" +#ifdef UNIV_HOTBACKUP +# include "fut0lst.h" +#else /* UNIV_HOTBACKUP */ +# include "sync0sync.h" +# include "fut0fut.h" +# include "srv0srv.h" +# include "ibuf0ibuf.h" +# include "btr0btr.h" +# include "btr0sea.h" +# include "dict0boot.h" +# include "log0log.h" +#endif /* UNIV_HOTBACKUP */ #include "dict0mem.h" -#include "log0log.h" #define FSP_HEADER_OFFSET FIL_PAGE_DATA /* Offset of the space header @@ -209,6 +230,7 @@ the extent are free and which contain old tuple version to clean. */ /* Offset of the descriptor array on a descriptor page */ #define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) +#ifndef UNIV_HOTBACKUP /************************************************************************** Returns an extent to the free list of a space. */ static @@ -309,7 +331,7 @@ fseg_alloc_free_page_low( direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ mtr_t* mtr); /* in: mtr handle */ - +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Reads the file space size stored in the header page. */ @@ -323,6 +345,7 @@ fsp_get_size_low( return(mach_read_from_4(page + FSP_HEADER_OFFSET + FSP_SIZE)); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Gets a pointer to the space header and x-locks its page. */ UNIV_INLINE @@ -813,6 +836,7 @@ xdes_get_offset( + ((page_offset(descr) - XDES_ARR_OFFSET) / XDES_SIZE) * FSP_EXTENT_SIZE); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Inits a file page whose prior contents should be ignored. */ @@ -825,7 +849,9 @@ fsp_init_file_page_low( page_t* page = buf_block_get_frame(block); page_zip_des_t* page_zip= buf_block_get_page_zip(block); +#ifndef UNIV_HOTBACKUP block->check_index_page_at_flush = FALSE; +#endif /* !UNIV_HOTBACKUP */ if (UNIV_LIKELY_NULL(page_zip)) { memset(page, 0, UNIV_PAGE_SIZE); @@ -852,6 +878,7 @@ fsp_init_file_page_low( memset(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, 0, 8); } +#ifndef UNIV_HOTBACKUP /*************************************************************** Inits a file page whose prior contents should be ignored. */ static @@ -866,6 +893,7 @@ fsp_init_file_page( mlog_write_initial_log_record(buf_block_get_frame(block), MLOG_INIT_FILE_PAGE, mtr); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of a file page init. */ @@ -922,6 +950,7 @@ fsp_header_init_fields( flags); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Initializes the space header of a new created space and creates also the insert buffer tree root if space == 0. */ @@ -978,11 +1007,12 @@ fsp_header_init( fsp_fill_free_list(FALSE, space, header, mtr); btr_create(DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, 0, 0, ut_dulint_add(DICT_IBUF_ID_MIN, space), - srv_sys->dummy_ind1, mtr); + dict_ind_redundant, mtr); } else { fsp_fill_free_list(TRUE, space, header, mtr); } } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Reads the space id from the first page of a tablespace. */ @@ -1041,6 +1071,7 @@ fsp_header_get_zip_size( return(dict_table_flags_to_zip_size(flags)); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Increases the space size field of a space. */ UNIV_INTERN @@ -4266,3 +4297,4 @@ fsp_print( fprintf(stderr, "NUMBER of file segments: %lu\n", (ulong) n_segs); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/fut/fut0fut.c b/fut/fut0fut.c index 7f7a8fa39e7..41ee0cb6715 100644 --- a/fut/fut0fut.c +++ b/fut/fut0fut.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based utilities -(c) 1995 Innobase Oy - Created 12/13/1995 Heikki Tuuri ***********************************************************************/ diff --git a/fut/fut0lst.c b/fut/fut0lst.c index ed78b71220d..bea27ab70d1 100644 --- a/fut/fut0lst.c +++ b/fut/fut0lst.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based list utilities -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ diff --git a/ha/ha0ha.c b/ha/ha0ha.c index 4d8d4eb4f7e..fde7b9a6f54 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The hash table with external chains -(c) 1994-1997 Innobase Oy - Created 8/22/1994 Heikki Tuuri *************************************************************************/ @@ -36,12 +52,16 @@ ha_create_func( hash table: must be a power of 2, or 0 */ { hash_table_t* table; +#ifndef UNIV_HOTBACKUP ulint i; +#endif /* !UNIV_HOTBACKUP */ table = hash_create(n); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP table->adaptive = TRUE; +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /* Creating MEM_HEAP_BTR_SEARCH type heaps can potentially fail, but in practise it never should in this case, hence the asserts. */ @@ -54,6 +74,7 @@ ha_create_func( return(table); } +#ifndef UNIV_HOTBACKUP hash_create_mutexes(table, n_mutexes, mutex_level); table->heaps = mem_alloc(n_mutexes * sizeof(void*)); @@ -62,6 +83,7 @@ ha_create_func( table->heaps[i] = mem_heap_create_in_btr_search(4096); ut_a(table->heaps[i]); } +#endif /* !UNIV_HOTBACKUP */ return(table); } @@ -81,12 +103,14 @@ ha_clear( ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EXCLUSIVE)); #endif /* UNIV_SYNC_DEBUG */ +#ifndef UNIV_HOTBACKUP /* Free the memory heaps. */ n = table->n_mutexes; for (i = 0; i < n; i++) { mem_heap_free(table->heaps[i]); } +#endif /* !UNIV_HOTBACKUP */ /* Clear the hash table. */ n = hash_get_n_cells(table); @@ -125,7 +149,7 @@ ha_insert_for_fold_func( #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(block->frame == page_align(data)); #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); hash = hash_calc_hash(fold, table); @@ -136,6 +160,7 @@ ha_insert_for_fold_func( while (prev_node != NULL) { if (prev_node->fold == fold) { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP if (table->adaptive) { buf_block_t* prev_block = prev_node->block; ut_a(prev_block->frame @@ -144,6 +169,7 @@ ha_insert_for_fold_func( prev_block->n_pointers--; block->n_pointers++; } +# endif /* !UNIV_HOTBACKUP */ prev_node->block = block; #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ @@ -171,10 +197,13 @@ ha_insert_for_fold_func( ha_node_set_data(node, block, data); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP if (table->adaptive) { block->n_pointers++; } +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + node->fold = fold; node->next = NULL; @@ -208,12 +237,15 @@ ha_delete_hash_node( ha_node_t* del_node) /* in: node to be deleted */ { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP if (table->adaptive) { ut_a(del_node->block->frame = page_align(del_node->data)); ut_a(del_node->block->n_pointers > 0); del_node->block->n_pointers--; } +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); } @@ -230,7 +262,7 @@ ha_delete( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_search_with_data(table, fold, data); @@ -256,7 +288,7 @@ ha_search_and_update_if_found_func( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(new_block->frame == page_align(new_data)); #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ @@ -265,11 +297,13 @@ ha_search_and_update_if_found_func( if (node) { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP if (table->adaptive) { ut_a(node->block->n_pointers > 0); node->block->n_pointers--; new_block->n_pointers++; } +# endif /* !UNIV_HOTBACKUP */ node->block = new_block; #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ @@ -277,6 +311,7 @@ ha_search_and_update_if_found_func( } } +#ifndef UNIV_HOTBACKUP /********************************************************************* Removes from the chain determined by fold all nodes whose data pointer points to the page given. */ @@ -290,7 +325,7 @@ ha_remove_all_nodes_to_page( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_chain_get_first(table, fold); @@ -424,3 +459,4 @@ builds, see http://bugs.mysql.com/36941 */ (ulong) n_bufs); } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/ha/ha0storage.c b/ha/ha0storage.c index 046ab9b9346..e7e09591193 100644 --- a/ha/ha0storage.c +++ b/ha/ha0storage.c @@ -1,10 +1,26 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. -(c) 2007 Innobase Oy - Created September 22, 2007 Vasil Dimov *******************************************************/ diff --git a/ha/hash0hash.c b/ha/hash0hash.c index 6f7f3e32c58..bca2b4f9218 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The simple hash table utility -(c) 1997 Innobase Oy - Created 5/20/1997 Heikki Tuuri *******************************************************/ @@ -13,6 +29,7 @@ Created 5/20/1997 Heikki Tuuri #include "mem0mem.h" +#ifndef UNIV_HOTBACKUP /**************************************************************** Reserves the mutex for a fold value in a hash table. */ UNIV_INTERN @@ -68,6 +85,7 @@ hash_mutex_exit_all( mutex_exit(table->mutexes + i); } } +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Creates a hash table with >= n array cells. The actual number of cells is @@ -89,14 +107,16 @@ hash_create( array = ut_malloc(sizeof(hash_cell_t) * prime); -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - table->adaptive = FALSE; -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ table->array = array; table->n_cells = prime; +#ifndef UNIV_HOTBACKUP +# if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + table->adaptive = FALSE; +# endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ table->n_mutexes = 0; table->mutexes = NULL; table->heaps = NULL; +#endif /* !UNIV_HOTBACKUP */ table->heap = NULL; table->magic_n = HASH_TABLE_MAGIC_N; @@ -114,12 +134,15 @@ hash_table_free( /*============*/ hash_table_t* table) /* in, own: hash table */ { +#ifndef UNIV_HOTBACKUP ut_a(table->mutexes == NULL); +#endif /* !UNIV_HOTBACKUP */ ut_free(table->array); mem_free(table); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Creates a mutex array to protect a hash table. */ UNIV_INTERN @@ -147,3 +170,4 @@ hash_create_mutexes_func( table->n_mutexes = n_mutexes; } +#endif /* !UNIV_HOTBACKUP */ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 04d7297c268..c4d843dd3bc 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -1,50 +1,28 @@ -/* Copyright (C) 2000-2005 MySQL AB & Innobase Oy +/***************************************************************************** - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. +Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ /* TODO list for the InnoDB handler in 5.0: - Remove the flag trx->active_trans and look at trx->conc_state - fix savepoint functions to use savepoint storage area @@ -1211,6 +1189,12 @@ innobase_next_autoinc( /* Should never be 0. */ ut_a(increment > 0); + /* According to MySQL documentation, if the offset is greater than + the increment then the offset is ignored. */ + if (offset > increment) { + offset = 0; + } + if (max_value <= current) { next_value = max_value; } else if (offset <= 1) { @@ -2010,16 +1994,12 @@ innobase_init( MYF(MY_FAE)); ret = (bool) srv_parse_data_file_paths_and_sizes( - internal_innobase_data_file_path, - &srv_data_file_names, - &srv_data_file_sizes, - &srv_data_file_is_raw_partition, - &srv_n_data_files, - &srv_auto_extend_last_data_file, - &srv_last_file_size_max); + internal_innobase_data_file_path); if (ret == FALSE) { sql_print_error( "InnoDB: syntax error in innodb_data_file_path"); +mem_free_and_error: + srv_free_paths_and_sizes(); my_free(internal_innobase_data_file_path, MYF(MY_ALLOW_ZERO_PTR)); goto error; @@ -2044,16 +2024,13 @@ innobase_init( #endif /* UNIG_LOG_ARCHIVE */ ret = (bool) - srv_parse_log_group_home_dirs(innobase_log_group_home_dir, - &srv_log_group_home_dirs); + srv_parse_log_group_home_dirs(innobase_log_group_home_dir); if (ret == FALSE || innobase_mirrored_log_groups != 1) { sql_print_error("syntax error in innodb_log_group_home_dir, or a " "wrong number of mirrored log groups"); - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - goto error; + goto mem_free_and_error; } /* Validate the file format by animal name */ @@ -2066,9 +2043,7 @@ innobase_init( sql_print_error("InnoDB: wrong innodb_file_format."); - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - goto error; + goto mem_free_and_error; } } else { /* Set it to the default file format id. Though this @@ -2107,10 +2082,7 @@ innobase_init( trx_sys_file_format_id_to_name( DICT_TF_FORMAT_MAX)); - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - - goto error; + goto mem_free_and_error; } } @@ -2182,9 +2154,7 @@ innobase_init( err = innobase_start_or_create_for_mysql(); if (err != DB_SUCCESS) { - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - goto error; + goto mem_free_and_error; } innobase_open_tables = hash_create(200); @@ -2236,6 +2206,7 @@ innobase_end(handlerton *hton, ha_panic_function type) if (innobase_shutdown_for_mysql() != DB_SUCCESS) { err = 1; } + srv_free_paths_and_sizes(); my_free(internal_innobase_data_file_path, MYF(MY_ALLOW_ZERO_PTR)); pthread_mutex_destroy(&innobase_share_mutex); @@ -3880,8 +3851,8 @@ build_template( goto include_field; } - if (bitmap_is_set(table->read_set, i) || - bitmap_is_set(table->write_set, i)) { + if (bitmap_is_set(table->read_set, i) || + bitmap_is_set(table->write_set, i)) { /* This field is needed in the query */ goto include_field; @@ -3973,7 +3944,7 @@ skip_field: } /************************************************************************ -Get the upper limit of the MySQL integral type. */ +Get the upper limit of the MySQL integral and floating-point type. */ UNIV_INTERN ulonglong ha_innobase::innobase_get_int_col_max_value( @@ -3984,7 +3955,7 @@ ha_innobase::innobase_get_int_col_max_value( switch(field->key_type()) { /* TINY */ - case HA_KEYTYPE_BINARY: + case HA_KEYTYPE_BINARY: max_value = 0xFFULL; break; case HA_KEYTYPE_INT8: @@ -3998,7 +3969,7 @@ ha_innobase::innobase_get_int_col_max_value( max_value = 0x7FFFULL; break; /* MEDIUM */ - case HA_KEYTYPE_UINT24: + case HA_KEYTYPE_UINT24: max_value = 0xFFFFFFULL; break; case HA_KEYTYPE_INT24: @@ -4012,12 +3983,20 @@ ha_innobase::innobase_get_int_col_max_value( max_value = 0x7FFFFFFFULL; break; /* BIG */ - case HA_KEYTYPE_ULONGLONG: + case HA_KEYTYPE_ULONGLONG: max_value = 0xFFFFFFFFFFFFFFFFULL; break; case HA_KEYTYPE_LONGLONG: max_value = 0x7FFFFFFFFFFFFFFFULL; break; + case HA_KEYTYPE_FLOAT: + /* We use the maximum as per IEEE754-2008 standard, 2^24 */ + max_value = 0x1000000ULL; + break; + case HA_KEYTYPE_DOUBLE: + /* We use the maximum as per IEEE754-2008 standard, 2^53 */ + max_value = 0x20000000000000ULL; + break; default: ut_error; } @@ -4145,7 +4124,8 @@ ha_innobase::write_row( /* out: error code */ uchar* record) /* in: a row in MySQL format */ { - int error = 0; + ulint error = 0; + int error_result= 0; ibool auto_inc_used= FALSE; ulint sql_command; trx_t* trx = thd_to_trx(user_thd); @@ -4255,12 +4235,13 @@ no_commit: /* We don't want to mask autoinc overflow errors. */ if (prebuilt->autoinc_error != DB_SUCCESS) { - error = prebuilt->autoinc_error; + error = (int) prebuilt->autoinc_error; goto report_error; } /* MySQL errors are passed straight back. */ + error_result = (int) error; goto func_exit; } @@ -4337,7 +4318,7 @@ no_commit: will be 0 if get_auto_increment() was not called.*/ if (auto_inc <= col_max_value - && auto_inc > prebuilt->autoinc_last_value) { + && auto_inc >= prebuilt->autoinc_last_value) { set_max_autoinc: ut_a(prebuilt->autoinc_increment > 0); @@ -4353,7 +4334,7 @@ set_max_autoinc: err = innobase_set_max_autoinc(auto_inc); if (err != DB_SUCCESS) { - error = (int) err; + error = err; } } break; @@ -4363,13 +4344,14 @@ set_max_autoinc: innodb_srv_conc_exit_innodb(prebuilt->trx); report_error: - error = convert_error_code_to_mysql(error, prebuilt->table->flags, - user_thd); + error_result = convert_error_code_to_mysql((int) error, + prebuilt->table->flags, + user_thd); func_exit: innobase_active_small(); - DBUG_RETURN(error); + DBUG_RETURN(error_result); } /************************************************************************** @@ -8628,11 +8610,13 @@ ha_innobase::get_auto_increment( prebuilt->autoinc_last_value = next_value; - ut_a(prebuilt->autoinc_last_value >= *first_value); - - /* Update the table autoinc variable */ - dict_table_autoinc_update_if_greater( - prebuilt->table, prebuilt->autoinc_last_value); + if (prebuilt->autoinc_last_value < *first_value) { + *first_value = (~(ulonglong) 0); + } else { + /* Update the table autoinc variable */ + dict_table_autoinc_update_if_greater( + prebuilt->table, prebuilt->autoinc_last_value); + } } else { /* This will force write_row() into attempting an update of the table's AUTOINC counter. */ @@ -8815,10 +8799,7 @@ ha_innobase::get_mysql_bin_log_pos() This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function finds charset information and returns length of prefix_len characters in the -index field in bytes. - -NOTE: the prototype of this function is copied to data0type.c! If you change -this function, you MUST change also data0type.c! */ +index field in bytes. */ extern "C" UNIV_INTERN ulint innobase_get_at_most_n_mbchars( @@ -9693,7 +9674,7 @@ static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency, PLUGIN_VAR_RQCMDARG, "Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.", - NULL, NULL, 8, 0, 1000, 0); + NULL, NULL, 0, 0, 1000, 0); static MYSQL_SYSVAR_ULONG(thread_sleep_delay, srv_thread_sleep_delay, PLUGIN_VAR_RQCMDARG, @@ -9724,7 +9705,7 @@ static MYSQL_SYSVAR_STR(version, innodb_version_str, static MYSQL_SYSVAR_BOOL(use_sys_malloc, srv_use_sys_malloc, PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, "Use OS memory allocator instead of InnoDB's internal memory allocator", - NULL, NULL, FALSE); + NULL, NULL, TRUE); static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index b4520c0c9f6..c08dd3ed173 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -1,17 +1,20 @@ -/* Copyright (C) 2000-2005 MySQL AB && Innobase Oy +/***************************************************************************** - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. +Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ /* This file is based on ha_berkeley.h of MySQL distribution diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 9691e10ba2d..1b5466e66eb 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Smart ALTER TABLE - -(c) 2005-2008 Innobase Oy *******************************************************/ #include diff --git a/handler/handler0vars.h b/handler/handler0vars.h index 2e34d6ba85e..ea9f305ce66 100644 --- a/handler/handler0vars.h +++ b/handler/handler0vars.h @@ -1,8 +1,25 @@ +/***************************************************************************** + +Copyright (c) 2008, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** This file contains accessor functions for dynamic plugin on Windows. - -(c) 2008 Innobase Oy ***********************************************************************/ + #if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN /*********************************************************************** This is a list of externals that can not be resolved by delay loading. diff --git a/handler/i_s.cc b/handler/i_s.cc index 478a564b01e..19562619858 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** InnoDB INFORMATION SCHEMA tables interface to MySQL. -(c) 2007 Innobase Oy - Created July 18, 2007 Vasil Dimov *******************************************************/ diff --git a/handler/i_s.h b/handler/i_s.h index 1dfb7122b32..0ff69e3c087 100644 --- a/handler/i_s.h +++ b/handler/i_s.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** InnoDB INFORMATION SCHEMA tables interface to MySQL. -(c) 2007 Innobase Oy - Created July 18, 2007 Vasil Dimov *******************************************************/ diff --git a/handler/mysql_addons.cc b/handler/mysql_addons.cc index f908aaa3fbc..a5d9c82c3e3 100644 --- a/handler/mysql_addons.cc +++ b/handler/mysql_addons.cc @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** This file contains functions that need to be added to MySQL code but have not been added yet. @@ -10,8 +28,6 @@ function in this file. When MySQL commits the function it can be deleted from here. In a perfect world this file exists but is empty. -(c) 2007 Innobase Oy - Created November 07, 2007 Vasil Dimov *******************************************************/ diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index da1714c92d0..1572df42e30 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2008, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** This file contains functions that implement the delay loader on Windows. @@ -18,8 +36,6 @@ Several acronyms used by Microsoft: See http://msdn.microsoft.com/en-us/magazine/bb985992.aspx for details of PE format. - -(c) 2008 Innobase Oy ***********************************************************************/ #if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) # define WIN32_LEAN_AND_MEAN diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 93388101da0..0cf1b341130 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1,17 +1,43 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert buffer -(c) 1997 Innobase Oy - Created 7/19/1997 Heikki Tuuri *******************************************************/ #include "ibuf0ibuf.h" +/* Number of bits describing a single page */ +#define IBUF_BITS_PER_PAGE 4 +#if IBUF_BITS_PER_PAGE % 2 +# error "IBUF_BITS_PER_PAGE must be an even number!" +#endif +/* The start address for an insert buffer bitmap page bitmap */ +#define IBUF_BITMAP PAGE_DATA + #ifdef UNIV_NONINL #include "ibuf0ibuf.ic" #endif +#ifndef UNIV_HOTBACKUP + #include "buf0buf.h" #include "buf0rea.h" #include "fsp0fsp.h" @@ -201,9 +227,6 @@ ibuf_count_check( } #endif -/* The start address for an insert buffer bitmap page bitmap */ -#define IBUF_BITMAP PAGE_DATA - /* Offsets in bits for the bits describing a single page in the bitmap */ #define IBUF_BITMAP_FREE 0 #define IBUF_BITMAP_BUFFERED 2 @@ -211,12 +234,6 @@ ibuf_count_check( tree, excluding the root page, or is in the free list of the ibuf */ -/* Number of bits describing a single page */ -#define IBUF_BITS_PER_PAGE 4 -#if IBUF_BITS_PER_PAGE % 2 -# error "IBUF_BITS_PER_PAGE must be an even number!" -#endif - /* Various constants for checking the type of an ibuf record and extracting data from it. For details, see the description of the record format at the top of this file. */ @@ -516,7 +533,7 @@ ibuf_init_at_db_start(void) ibuf->index = dict_table_get_first_index(table); } - +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Initializes an ibuf bitmap page. */ UNIV_INTERN @@ -548,7 +565,9 @@ ibuf_bitmap_page_init( /* The remaining area (up to the page trailer) is uninitialized. */ +#ifndef UNIV_HOTBACKUP mlog_write_initial_log_record(page, MLOG_IBUF_BITMAP_INIT, mtr); +#endif /* !UNIV_HOTBACKUP */ } /************************************************************************* @@ -571,7 +590,7 @@ ibuf_parse_bitmap_init( return(ptr); } - +#ifndef UNIV_HOTBACKUP /************************************************************************ Gets the desired bits for a given page from a bitmap page. */ UNIV_INLINE @@ -4541,3 +4560,4 @@ ibuf_print( mutex_exit(&ibuf_mutex); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/btr0btr.h b/include/btr0btr.h index e85a06b2c6a..d89c291a638 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The B-tree -(c) 1994-1996 Innobase Oy - Created 6/2/1994 Heikki Tuuri *******************************************************/ @@ -17,6 +33,7 @@ Created 6/2/1994 Heikki Tuuri #include "mtr0mtr.h" #include "btr0types.h" +#ifndef UNIV_HOTBACKUP /* Maximum record size which can be stored on a page, without using the special big record storage structure */ @@ -97,6 +114,7 @@ btr_page_get( ulint page_no, /* in: page number */ ulint mode, /* in: latch mode */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /****************************************************************** Gets the index id field of a page. */ UNIV_INLINE @@ -105,6 +123,7 @@ btr_page_get_index_id( /*==================*/ /* out: index id */ const page_t* page); /* in: index page */ +#ifndef UNIV_HOTBACKUP /************************************************************ Gets the node level field in an index page. */ UNIV_INLINE @@ -306,6 +325,7 @@ btr_insert_on_non_leaf_level( ulint level, /* in: level, must be > 0 */ dtuple_t* tuple, /* in: the record to be inserted */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************** Sets a record as the predefined minimum record. */ UNIV_INTERN @@ -314,6 +334,7 @@ btr_set_min_rec_mark( /*=================*/ rec_t* rec, /* in/out: record */ mtr_t* mtr); /* in: mtr */ +#ifndef UNIV_HOTBACKUP /***************************************************************** Deletes on the upper level the node pointer to a page. */ UNIV_INTERN @@ -365,6 +386,7 @@ btr_discard_page( btr_cur_t* cursor, /* in: cursor on the page to discard: not on the root page */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************** Parses the redo log record for setting an index record as the predefined minimum record. */ @@ -390,6 +412,7 @@ btr_parse_page_reorganize( dict_index_t* index, /* in: record descriptor */ buf_block_t* block, /* in: page to be reorganized, or NULL */ mtr_t* mtr); /* in: mtr or NULL */ +#ifndef UNIV_HOTBACKUP /****************************************************************** Gets the number of pages in a B-tree. */ UNIV_INTERN @@ -480,6 +503,7 @@ btr_validate_index( #define BTR_N_LEAF_PAGES 1 #define BTR_TOTAL_SIZE 2 +#endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL #include "btr0btr.ic" diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 215defbfa3e..600f2a75402 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -1,12 +1,29 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The B-tree -(c) 1994-1996 Innobase Oy - Created 6/2/1994 Heikki Tuuri *******************************************************/ #include "mach0data.h" +#ifndef UNIV_HOTBACKUP #include "mtr0mtr.h" #include "mtr0log.h" #include "page0zip.h" @@ -77,6 +94,7 @@ btr_page_set_index_id( id, mtr); } } +#endif /* !UNIV_HOTBACKUP */ /****************************************************************** Gets the index id field of a page. */ @@ -90,6 +108,7 @@ btr_page_get_index_id( return(mach_read_from_8(page + PAGE_HEADER + PAGE_INDEX_ID)); } +#ifndef UNIV_HOTBACKUP /************************************************************ Gets the node level field in an index page. */ UNIV_INLINE @@ -283,3 +302,4 @@ btr_leaf_page_release( ? MTR_MEMO_PAGE_S_FIX : MTR_MEMO_PAGE_X_FIX); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/btr0cur.h b/include/btr0cur.h index 5e48a59f2e4..3fd7e07a291 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree cursor -(c) 1994-1996 Innobase Oy - Created 10/16/1994 Heikki Tuuri *******************************************************/ @@ -13,9 +29,6 @@ Created 10/16/1994 Heikki Tuuri #include "dict0dict.h" #include "page0cur.h" #include "btr0types.h" -#include "que0types.h" -#include "row0types.h" -#include "ha0ha.h" /* Mode flags for btr_cur operations; these can be ORed */ #define BTR_NO_UNDO_LOG_FLAG 1 /* do no undo logging */ @@ -23,6 +36,11 @@ Created 10/16/1994 Heikki Tuuri #define BTR_KEEP_SYS_FLAG 4 /* sys fields will be found from the update vector or inserted entry */ +#ifndef UNIV_HOTBACKUP +#include "que0types.h" +#include "row0types.h" +#include "ha0ha.h" + #define BTR_CUR_ADAPT #define BTR_CUR_HASH_ADAPT @@ -370,6 +388,7 @@ btr_cur_pessimistic_delete( deleted record on function exit */ enum trx_rb_ctx rb_ctx, /* in: rollback context */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of updating a record in-place. */ UNIV_INTERN @@ -407,6 +426,7 @@ btr_cur_parse_del_mark_set_sec_rec( byte* end_ptr,/* in: buffer end */ page_t* page, /* in/out: page or NULL */ page_zip_des_t* page_zip);/* in/out: compressed page, or NULL */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Estimates the number of rows in a given index range. */ UNIV_INTERN @@ -743,6 +763,7 @@ extern ulint btr_cur_n_non_sea; extern ulint btr_cur_n_sea; extern ulint btr_cur_n_non_sea_old; extern ulint btr_cur_n_sea_old; +#endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL #include "btr0cur.ic" diff --git a/include/btr0cur.ic b/include/btr0cur.ic index 46ee6d71097..30818cfcfce 100644 --- a/include/btr0cur.ic +++ b/include/btr0cur.ic @@ -1,11 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree cursor -(c) 1994-1996 Innobase Oy - Created 10/16/1994 Heikki Tuuri *******************************************************/ +#ifndef UNIV_HOTBACKUP #include "btr0btr.h" #ifdef UNIV_DEBUG @@ -182,3 +199,4 @@ btr_cur_can_delete_without_compress( return(TRUE); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/btr0pcur.h b/include/btr0pcur.h index b38decb6031..1fdd102d32a 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree persistent cursor -(c) 1996 Innobase Oy - Created 2/23/1996 Heikki Tuuri *******************************************************/ diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index b4325249011..bde7413820a 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The index tree persistent cursor -(c) 1996 Innobase Oy - Created 2/23/1996 Heikki Tuuri *******************************************************/ diff --git a/include/btr0sea.h b/include/btr0sea.h index b665b1085ae..074e6595258 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The index tree adaptive search -(c) 1996 Innobase Oy - Created 2/17/1996 Heikki Tuuri *************************************************************************/ diff --git a/include/btr0sea.ic b/include/btr0sea.ic index cc25d99fa77..c948d7e92af 100644 --- a/include/btr0sea.ic +++ b/include/btr0sea.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The index tree adaptive search -(c) 1996 Innobase Oy - Created 2/17/1996 Heikki Tuuri *************************************************************************/ diff --git a/include/btr0types.h b/include/btr0types.h index 5c1e08be131..074b15fa68d 100644 --- a/include/btr0types.h +++ b/include/btr0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The index tree general types -(c) 1996 Innobase Oy - Created 2/17/1996 Heikki Tuuri *************************************************************************/ diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 5880476a2a2..f3e593151b5 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Binary buddy allocator for compressed pages -(c) 2006 Innobase Oy - Created December 2006 by Marko Makela *******************************************************/ diff --git a/include/buf0buddy.ic b/include/buf0buddy.ic index 2d62a2b8527..769b9d11d94 100644 --- a/include/buf0buddy.ic +++ b/include/buf0buddy.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Binary buddy allocator for compressed pages -(c) 2006 Innobase Oy - Created December 2006 by Marko Makela *******************************************************/ @@ -59,7 +75,8 @@ buf_buddy_get_slot( ulint i; ulint s; - for (i = 0, s = BUF_BUDDY_LOW; s < size; i++, s <<= 1); + for (i = 0, s = BUF_BUDDY_LOW; s < size; i++, s <<= 1) { + } ut_ad(i <= BUF_BUDDY_SIZES); return(i); diff --git a/include/buf0buf.h b/include/buf0buf.h index 1046fe241b6..85dd98d8754 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1,22 +1,24 @@ -/* Innobase relational database engine; Copyright (C) 2001 Innobase Oy +/***************************************************************************** - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License 2 - as published by the Free Software Foundation in June 1991. +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ - You should have received a copy of the GNU General Public License 2 - along with this program (in file COPYING); if not, write to the Free - Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /****************************************************** The database buffer pool high-level routines -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ @@ -27,12 +29,12 @@ Created 11/5/1995 Heikki Tuuri #include "fil0fil.h" #include "mtr0types.h" #include "buf0types.h" -#include "sync0rw.h" #include "hash0hash.h" #include "ut0byte.h" +#include "page0types.h" +#ifndef UNIV_HOTBACKUP #include "ut0rbt.h" #include "os0proc.h" -#include "page0types.h" /* Modes for buf_page_get_gen */ #define BUF_GET 10 /* get always */ @@ -49,8 +51,6 @@ Created 11/5/1995 Heikki Tuuri /* Modes for buf_page_get_known_nowait */ #define BUF_MAKE_YOUNG 51 #define BUF_KEEP_OLD 52 -/* Magic value to use instead of checksums when they are disabled */ -#define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL extern buf_pool_t* buf_pool; /* The buffer pool of the database */ #ifdef UNIV_DEBUG @@ -60,6 +60,13 @@ extern ibool buf_debug_prints;/* If this is set TRUE, the program #endif /* UNIV_DEBUG */ extern ulint srv_buf_pool_write_requests; /* variable to count write request issued */ +#else /* !UNIV_HOTBACKUP */ +extern buf_block_t* back_block1; /* first block, for --apply-log */ +extern buf_block_t* back_block2; /* second block, for page reorganize */ +#endif /* !UNIV_HOTBACKUP */ + +/* Magic value to use instead of checksums when they are disabled */ +#define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL /* States of a control block (@see buf_page_struct). The enumeration values must be 0..7. */ @@ -81,6 +88,7 @@ enum buf_page_state { before putting to the free list */ }; +#ifndef UNIV_HOTBACKUP /************************************************************************ Creates the buffer pool. */ UNIV_INTERN @@ -158,6 +166,7 @@ void buf_block_free( /*===========*/ buf_block_t* block); /* in, own: block to be freed */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Copies contents of a buffer frame to a given buffer. */ UNIV_INLINE @@ -167,6 +176,7 @@ buf_frame_copy( /* out: buf */ byte* buf, /* in: buffer to copy to */ const buf_frame_t* frame); /* in: buffer frame */ +#ifndef UNIV_HOTBACKUP /****************************************************************** NOTE! The following macros should be used instead of buf_page_get_gen, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed @@ -287,7 +297,7 @@ buf_page_create( a page */ ulint zip_size,/* in: compressed page size, or 0 */ mtr_t* mtr); /* in: mini-transaction handle */ -#ifdef UNIV_HOTBACKUP +#else /* !UNIV_HOTBACKUP */ /************************************************************************ Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ UNIV_INTERN @@ -300,7 +310,9 @@ buf_page_init_for_backup_restore( ulint zip_size,/* in: compressed page size in bytes or 0 for uncompressed pages */ buf_block_t* block); /* in: block to init */ -#endif /* UNIV_HOTBACKUP */ +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP /************************************************************************ Releases a compressed-only page acquired with buf_page_get_zip(). */ UNIV_INLINE @@ -447,6 +459,9 @@ buf_block_get_modify_clock( /*=======================*/ /* out: value */ buf_block_t* block); /* in: block */ +#else /* !UNIV_HOTBACKUP */ +# define buf_block_modify_clock_inc(block) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value @@ -480,6 +495,7 @@ buf_page_is_corrupted( const byte* read_buf, /* in: a database page */ ulint zip_size); /* in: size of compressed page; 0 for uncompressed pages */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Gets the space id, page offset, and byte offset within page of a pointer pointing to a buffer frame containing a file page. */ @@ -528,6 +544,7 @@ void buf_print(void); /*============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Prints a page to stderr. */ UNIV_INTERN @@ -537,6 +554,16 @@ buf_page_print( const byte* read_buf, /* in: a database page */ ulint zip_size); /* in: compressed page size, or 0 for uncompressed pages */ +/************************************************************************ +Decompress a block. */ +UNIV_INTERN +ibool +buf_zip_decompress( +/*===============*/ + /* out: TRUE if successful */ + buf_block_t* block, /* in/out: block */ + ibool check); /* in: TRUE=verify the page checksum */ +#ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG /************************************************************************* Returns the number of latched pages in the buffer pool. */ @@ -593,6 +620,7 @@ UNIV_INTERN void buf_pool_invalidate(void); /*=====================*/ +#endif /* !UNIV_HOTBACKUP */ /*======================================================================== --------------------------- LOWER LEVEL ROUTINES ------------------------- @@ -655,6 +683,7 @@ buf_page_in_file( /* out: TRUE if mapped */ const buf_page_t* bpage) /* in: pointer to control block */ __attribute__((pure)); +#ifndef UNIV_HOTBACKUP /************************************************************************* Determines if a block should be on unzip_LRU list. */ UNIV_INLINE @@ -801,6 +830,7 @@ buf_page_get_block( /* out: control block, or NULL */ buf_page_t* bpage) /* in: control block, or NULL */ __attribute__((pure)); +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* Gets a pointer to the memory frame of a block. */ @@ -873,6 +903,7 @@ Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ #define buf_block_get_page_zip(block) \ (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) +#ifndef UNIV_HOTBACKUP /*********************************************************************** Gets the block to whose frame the pointer is pointing to. */ UNIV_INTERN @@ -1001,6 +1032,7 @@ buf_pool_watch_occurred( watched and it has been read in */ ulint space, /* in: space id */ ulint page_no); /* in: page number */ +#endif /* !UNIV_HOTBACKUP */ /* The common buffer control block structure for compressed and uncompressed frames */ @@ -1023,6 +1055,7 @@ struct buf_page_struct{ BUF_BLOCK_READY_FOR_USE to BUF_BLOCK_MEMORY need not be protected by buf_page_get_mutex(). */ +#ifndef UNIV_HOTBACKUP unsigned flush_type:2; /* if this block is currently being flushed to disk, this tells the flush_type (@see enum buf_flush) */ @@ -1037,10 +1070,11 @@ struct buf_page_struct{ protected by buf_pool_mutex */ unsigned buf_fix_count:24;/* count of how manyfold this block is currently bufferfixed */ - +#endif /* !UNIV_HOTBACKUP */ page_zip_des_t zip; /* compressed page; zip.data (but not the data it points to) is also protected by buf_pool_mutex */ +#ifndef UNIV_HOTBACKUP buf_page_t* hash; /* node used in chaining to buf_pool->page_hash or buf_pool->zip_hash */ @@ -1114,6 +1148,7 @@ struct buf_page_struct{ /* this is set to TRUE when fsp frees a page in buffer pool */ #endif /* UNIV_DEBUG_FILE_ACCESSES */ +#endif /* !UNIV_HOTBACKUP */ }; /* The buffer control block structure */ @@ -1126,6 +1161,11 @@ struct buf_block_struct{ be the first field, so that buf_pool->page_hash can point to buf_page_t or buf_block_t */ + byte* frame; /* pointer to buffer frame which + is of size UNIV_PAGE_SIZE, and + aligned to an address divisible by + UNIV_PAGE_SIZE */ +#ifndef UNIV_HOTBACKUP UT_LIST_NODE_T(buf_block_t) unzip_LRU; /* node of the decompressed LRU list; a block is in the unzip_LRU list @@ -1136,10 +1176,6 @@ struct buf_block_struct{ decompressed LRU list; used in debugging */ #endif /* UNIV_DEBUG */ - byte* frame; /* pointer to buffer frame which - is of size UNIV_PAGE_SIZE, and - aligned to an address divisible by - UNIV_PAGE_SIZE */ mutex_t mutex; /* mutex protecting this block: state (also protected by the buffer pool mutex), io_fix, buf_fix_count, @@ -1219,6 +1255,7 @@ struct buf_block_struct{ an s-latch here; so we can use the debug utilities in sync0rw */ #endif +#endif /* !UNIV_HOTBACKUP */ }; /* Check if a buf_block_t object is in a valid state. */ @@ -1226,6 +1263,7 @@ struct buf_block_struct{ (buf_block_get_state(block) >= BUF_BLOCK_NOT_USED \ && (buf_block_get_state(block) <= BUF_BLOCK_REMOVE_HASH)) +#ifndef UNIV_HOTBACKUP /************************************************************************** Compute the hash fold value for blocks in buf_pool->zip_hash. */ #define BUF_POOL_ZIP_FOLD_PTR(ptr) ((ulint) (ptr) / UNIV_PAGE_SIZE) @@ -1409,6 +1447,7 @@ extern ulint buf_pool_mutex_exit_forbidden; /* Release the buffer pool mutex. */ # define buf_pool_mutex_exit() mutex_exit(&buf_pool_mutex) #endif +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Let us list the consistency conditions for different control block states. diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 1d6813db3d3..6b919d63735 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -1,47 +1,39 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer buf_pool -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ +#include "mtr0mtr.h" +#ifndef UNIV_HOTBACKUP #include "buf0flu.h" #include "buf0lru.h" #include "buf0rea.h" -#include "mtr0mtr.h" /************************************************************************ Reads the freed_page_clock of a buffer block. */ @@ -143,6 +135,7 @@ buf_pool_clock_tic(void) return(buf_pool->ulint_clock); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Gets the state of a block. */ @@ -271,6 +264,7 @@ buf_page_in_file( return(FALSE); } +#ifndef UNIV_HOTBACKUP /************************************************************************* Determines if a block should be on unzip_LRU list. */ UNIV_INLINE @@ -544,6 +538,7 @@ buf_page_get_block( return(NULL); } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* @@ -565,7 +560,9 @@ buf_block_get_frame( ut_error; break; case BUF_BLOCK_FILE_PAGE: +# ifndef UNIV_HOTBACKUP ut_a(block->page.buf_fix_count > 0); +# endif /* !UNIV_HOTBACKUP */ /* fall through */ case BUF_BLOCK_READY_FOR_USE: case BUF_BLOCK_MEMORY: @@ -662,6 +659,7 @@ buf_block_get_zip_size( return(block->page.zip.ssize ? 512 << block->page.zip.ssize : 0); } +#ifndef UNIV_HOTBACKUP #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page @@ -676,6 +674,7 @@ buf_frame_get_page_zip( return(buf_block_get_page_zip(buf_block_align(ptr))); } #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Gets the space id, page offset, and byte offset within page of a @@ -696,6 +695,7 @@ buf_ptr_get_fsp_addr( addr->boffset = ut_align_offset(ptr, UNIV_PAGE_SIZE); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Gets the hash value of the page the pointer is pointing to. This can be used in searches in the lock hash table. */ @@ -749,6 +749,7 @@ buf_block_free( buf_pool_mutex_exit(); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Copies contents of a buffer frame to a given buffer. */ @@ -767,6 +768,7 @@ buf_frame_copy( return(buf); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Calculates a folded value of a file page address to use in the page hash table. */ @@ -1083,3 +1085,4 @@ buf_block_dbg_add_level( sync_thread_add_level(&block->lock, level); } #endif /* UNIV_SYNC_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/buf0flu.h b/include/buf0flu.h index e21ada3bb9f..becce72c3e4 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer pool flush algorithm -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ @@ -10,9 +26,10 @@ Created 11/5/1995 Heikki Tuuri #define buf0flu_h #include "univ.i" -#include "buf0types.h" #include "ut0byte.h" +#ifndef UNIV_HOTBACKUP #include "mtr0types.h" +#include "buf0types.h" /************************************************************************ Remove a block from the flush list of modified blocks. */ @@ -45,6 +62,7 @@ UNIV_INTERN void buf_flush_free_margin(void); /*=======================*/ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Initializes a page for writing to the tablespace. */ UNIV_INTERN @@ -55,6 +73,7 @@ buf_flush_init_for_writing( void* page_zip_, /* in/out: compressed page, or NULL */ ib_uint64_t newest_lsn); /* in: newest modification lsn to the page */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to @@ -152,6 +171,7 @@ sweep). */ #define BUF_FLUSH_FREE_BLOCK_MARGIN (5 + BUF_READ_AHEAD_AREA) #define BUF_FLUSH_EXTRA_MARGIN (BUF_FLUSH_FREE_BLOCK_MARGIN / 4 + 100) +#endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL #include "buf0flu.ic" diff --git a/include/buf0flu.ic b/include/buf0flu.ic index fa056a52ae9..5d56cd76ee1 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -1,11 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer pool flush algorithm -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ +#ifndef UNIV_HOTBACKUP #include "buf0buf.h" #include "mtr0mtr.h" @@ -102,3 +119,4 @@ buf_flush_recv_note_modification( buf_pool_mutex_exit(); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/buf0lru.h b/include/buf0lru.h index e6d802c0f4c..e73869580bd 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer pool LRU replacement algorithm -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/buf0lru.ic b/include/buf0lru.ic index 7b8ee457b0b..f4c40e0b606 100644 --- a/include/buf0lru.ic +++ b/include/buf0lru.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer replacement algorithm -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/buf0rea.h b/include/buf0rea.h index 1a0e178fc24..6d138a3a02b 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer read -(c) 1995 Innobase Oy - Created 11/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/buf0types.h b/include/buf0types.h index b1daccb3212..f2721da85f9 100644 --- a/include/buf0types.h +++ b/include/buf0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database buffer pool global types for the directory -(c) 1995 Innobase Oy - Created 11/17/1995 Heikki Tuuri *******************************************************/ diff --git a/include/data0data.h b/include/data0data.h index 123f249bebd..1190a7ae45a 100644 --- a/include/data0data.h +++ b/include/data0data.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ SQL data field and tuple -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ diff --git a/include/data0data.ic b/include/data0data.ic index cadac8ac901..f11dbd9fce6 100644 --- a/include/data0data.ic +++ b/include/data0data.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ SQL data field and tuple -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ diff --git a/include/data0type.h b/include/data0type.h index 230ebc93cc8..27c809762d3 100644 --- a/include/data0type.h +++ b/include/data0type.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data types -(c) 1996 Innobase Oy - Created 1/16/1996 Heikki Tuuri *******************************************************/ @@ -151,6 +167,7 @@ SQL null*/ store the charset-collation number; one byte is left unused, though */ #define DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE 6 +#ifndef UNIV_HOTBACKUP /************************************************************************* Gets the MySQL type code from a dtype. */ UNIV_INLINE @@ -181,6 +198,7 @@ dtype_get_at_most_n_mbchars( ulint data_len, /* in: length of str (in bytes) */ const char* str); /* in: the string whose prefix length is being determined */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Checks if a data main type is a string type. Also a BLOB is considered a string type. */ @@ -245,6 +263,7 @@ ulint dtype_get_prtype( /*=============*/ const dtype_t* type); +#ifndef UNIV_HOTBACKUP /************************************************************************* Compute the mbminlen and mbmaxlen members of a data type structure. */ UNIV_INLINE @@ -284,6 +303,7 @@ dtype_is_utf8( /*==========*/ /* out: TRUE if a subset of UTF-8 */ ulint prtype);/* in: precise data type */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Gets the type length. */ UNIV_INLINE @@ -291,6 +311,7 @@ ulint dtype_get_len( /*==========*/ const dtype_t* type); +#ifndef UNIV_HOTBACKUP /************************************************************************* Gets the minimum length of a character, in bytes. */ UNIV_INLINE @@ -319,6 +340,7 @@ dtype_get_pad_char( ULINT_UNDEFINED if no padding specified */ ulint mtype, /* in: main type */ ulint prtype); /* in: precise type */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the size of a fixed size data type, 0 if not a fixed size type. */ UNIV_INLINE @@ -331,6 +353,7 @@ dtype_get_fixed_size_low( ulint len, /* in: length */ ulint mbminlen, /* in: minimum length of a multibyte char */ ulint mbmaxlen); /* in: maximum length of a multibyte char */ +#ifndef UNIV_HOTBACKUP /*************************************************************************** Returns the minimum size of a data type. */ UNIV_INLINE @@ -353,6 +376,7 @@ dtype_get_max_size_low( /* out: maximum size */ ulint mtype, /* in: main type */ ulint len); /* in: length */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. For fixed length types it is the fixed length of the type, otherwise 0. */ @@ -363,6 +387,7 @@ dtype_get_sql_null_size( /* out: SQL null storage size in ROW_FORMAT=REDUNDANT */ const dtype_t* type); /* in: type */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Reads to a type the stored information which determines its alphabetical ordering and the storage size of an SQL NULL value. */ @@ -396,6 +421,7 @@ dtype_new_read_for_order_and_null_size( /*===================================*/ dtype_t* type, /* in: type struct */ const byte* buf); /* in: buffer for stored type order info */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Validates a data type structure. */ @@ -441,11 +467,12 @@ struct dtype_struct{ string data (in addition to the string, MySQL uses 1 or 2 bytes to store the string length) */ - +#ifndef UNIV_HOTBACKUP unsigned mbminlen:2; /* minimum length of a character, in bytes */ unsigned mbmaxlen:3; /* maximum length of a character, in bytes */ +#endif /* !UNIV_HOTBACKUP */ }; #ifndef UNIV_NONINL diff --git a/include/data0type.ic b/include/data0type.ic index 965b1c39373..c1b4269bbec 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -1,13 +1,30 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data types -(c) 1996 Innobase Oy - Created 1/16/1996 Heikki Tuuri *******************************************************/ #include "mach0data.h" -#include "ha_prototypes.h" +#ifndef UNIV_HOTBACKUP +# include "ha_prototypes.h" /************************************************************************* Gets the MySQL charset-collation code for MySQL string types. */ @@ -72,16 +89,11 @@ dtype_get_mblen( multi-byte character */ { if (dtype_is_string_type(mtype)) { -#ifndef UNIV_HOTBACKUP innobase_get_cset_width(dtype_get_charset_coll(prtype), mbminlen, mbmaxlen); ut_ad(*mbminlen <= *mbmaxlen); ut_ad(*mbminlen <= 2); /* mbminlen in dtype_t is 0..3 */ ut_ad(*mbmaxlen < 1 << 3); /* mbmaxlen in dtype_t is 0..7 */ -#else /* !UNIV_HOTBACKUP */ - ut_a(mtype <= DATA_BINARY); - *mbminlen = *mbmaxlen = 1; -#endif /* !UNIV_HOTBACKUP */ } else { *mbminlen = *mbmaxlen = 0; } @@ -104,6 +116,9 @@ dtype_set_mblen( ut_ad(dtype_validate(type)); } +#else /* !UNIV_HOTBACKUP */ +# define dtype_set_mblen(type) (void) 0 +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Sets a data type structure. */ @@ -179,6 +194,7 @@ dtype_get_len( return(type->len); } +#ifndef UNIV_HOTBACKUP /************************************************************************* Gets the minimum length of a character, in bytes. */ UNIV_INLINE @@ -369,6 +385,7 @@ dtype_new_read_for_order_and_null_size( } dtype_set_mblen(type); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the size of a fixed size data type, 0 if not a fixed size type. */ @@ -408,14 +425,10 @@ dtype_get_fixed_size_low( case DATA_DOUBLE: return(len); case DATA_MYSQL: +#ifndef UNIV_HOTBACKUP if (prtype & DATA_BINARY_TYPE) { return(len); } else { -#ifdef UNIV_HOTBACKUP - if (mbminlen == mbmaxlen) { - return(len); - } -#else /* UNIV_HOTBACKUP */ /* We play it safe here and ask MySQL for mbminlen and mbmaxlen. Although mbminlen and mbmaxlen are @@ -447,8 +460,10 @@ dtype_get_fixed_size_low( if (mbminlen == mbmaxlen) { return(len); } -#endif /* !UNIV_HOTBACKUP */ } +#else /* !UNIV_HOTBACKUP */ + return(len); +#endif /* !UNIV_HOTBACKUP */ /* fall through for variable-length charsets */ case DATA_VARCHAR: case DATA_BINARY: @@ -463,6 +478,7 @@ dtype_get_fixed_size_low( return(0); } +#ifndef UNIV_HOTBACKUP /*************************************************************************** Returns the minimum size of a data type. */ UNIV_INLINE @@ -554,6 +570,7 @@ dtype_get_max_size_low( return(ULINT_MAX); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. @@ -566,6 +583,11 @@ dtype_get_sql_null_size( in ROW_FORMAT=REDUNDANT */ const dtype_t* type) /* in: type */ { +#ifndef UNIV_HOTBACKUP return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, type->mbminlen, type->mbmaxlen)); +#else /* !UNIV_HOTBACKUP */ + return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, + 0, 0)); +#endif /* !UNIV_HOTBACKUP */ } diff --git a/include/data0types.h b/include/data0types.h index ab314f8f471..9e536478d68 100644 --- a/include/data0types.h +++ b/include/data0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Some type definitions -(c) 1994-2000 Innobase Oy - Created 9/21/2000 Heikki Tuuri *************************************************************************/ diff --git a/include/db0err.h b/include/db0err.h index e899c075164..d6d2a9785a5 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Global error codes for the database -(c) 1996 Innobase Oy - Created 5/24/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0boot.h b/include/dict0boot.h index d9260c8f353..e1556bdb16e 100644 --- a/include/dict0boot.h +++ b/include/dict0boot.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary creation and booting -(c) 1996 Innobase Oy - Created 4/18/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0boot.ic b/include/dict0boot.ic index 36955e3619c..9b45f9e84be 100644 --- a/include/dict0boot.ic +++ b/include/dict0boot.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary creation and booting -(c) 1996 Innobase Oy - Created 4/18/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0crea.h b/include/dict0crea.h index 5c00e9df680..9ac3e408f1f 100644 --- a/include/dict0crea.h +++ b/include/dict0crea.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0crea.ic b/include/dict0crea.ic index b4da2d7e03f..b05385fa121 100644 --- a/include/dict0crea.ic +++ b/include/dict0crea.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0dict.h b/include/dict0dict.h index c8a421f4596..93ab3793665 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary system -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ @@ -14,8 +30,6 @@ Created 1/8/1996 Heikki Tuuri #include "dict0mem.h" #include "data0type.h" #include "data0data.h" -#include "sync0sync.h" -#include "sync0rw.h" #include "mem0mem.h" #include "rem0types.h" #include "ut0mem.h" @@ -26,6 +40,8 @@ Created 1/8/1996 Heikki Tuuri #include "trx0types.h" #ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +# include "sync0rw.h" /********************************************************************** Makes all characters in a NUL-terminated UTF-8 string lower case. */ UNIV_INTERN @@ -33,7 +49,6 @@ void dict_casedn_str( /*============*/ char* a); /* in/out: string to put in lower case */ -#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Get the database name length in a table name. */ UNIV_INTERN @@ -93,6 +108,7 @@ dict_col_copy_type( /*===============*/ const dict_col_t* col, /* in: column */ dtype_t* type); /* out: data type */ +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* Assert that a column and a data type match. */ @@ -104,6 +120,7 @@ dict_col_type_assert_equal( const dict_col_t* col, /* in: column */ const dtype_t* type); /* in: data type */ #endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP /*************************************************************************** Returns the minimum size of the column. */ UNIV_INLINE @@ -204,6 +221,7 @@ void dict_table_autoinc_unlock( /*======================*/ dict_table_t* table); /* in/out: table */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Adds system columns to a table object. */ UNIV_INTERN @@ -212,6 +230,7 @@ dict_table_add_system_columns( /*==========================*/ dict_table_t* table, /* in/out: table */ mem_heap_t* heap); /* in: temporary heap */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Adds a table object to the dictionary cache. */ UNIV_INTERN @@ -516,6 +535,7 @@ dict_table_get_next_index( # define dict_table_get_first_index(table) UT_LIST_GET_FIRST((table)->indexes) # define dict_table_get_next_index(index) UT_LIST_GET_NEXT(indexes, index) #endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Check whether the index is the clustered index. */ UNIV_INLINE @@ -610,6 +630,7 @@ dict_table_get_sys_col_no( /* out: column number */ const dict_table_t* table, /* in: table */ ulint sys); /* in: DATA_ROW_ID, ... */ +#ifndef UNIV_HOTBACKUP /************************************************************************ Returns the minimum data size of an index record. */ UNIV_INLINE @@ -618,6 +639,7 @@ dict_index_get_min_size( /*====================*/ /* out: minimum data size in bytes */ const dict_index_t* index); /* in: index */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Check whether the table uses the compact page format. */ UNIV_INLINE @@ -673,6 +695,7 @@ dict_table_col_in_clustered_key( prefix, is in the clustered key */ const dict_table_t* table, /* in: table */ ulint n); /* in: column number */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Copies types of columns contained in table to tuple and sets all fields of the tuple to the SQL NULL value. This function should @@ -715,6 +738,7 @@ dict_index_remove_from_cache( /*=========================*/ dict_table_t* table, /* in/out: table */ dict_index_t* index); /* in, own: index */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Gets the number of fields in the internal representation of an index, including fields added by the dictionary system. */ @@ -861,6 +885,7 @@ dict_index_add_col( const dict_table_t* table, /* in: table */ dict_col_t* col, /* in: column */ ulint prefix_len); /* in: column prefix length */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Copies types of fields contained in index to tuple. */ UNIV_INTERN @@ -871,6 +896,7 @@ dict_index_copy_types( const dict_index_t* index, /* in: index */ ulint n_fields); /* in: number of field types to copy */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Gets the field column. */ UNIV_INLINE @@ -878,7 +904,7 @@ const dict_col_t* dict_field_get_col( /*===============*/ const dict_field_t* field); - +#ifndef UNIV_HOTBACKUP /************************************************************************** Returns an index object if it is found in the dictionary cache. Assumes that dict_sys->mutex is already being held. */ @@ -994,14 +1020,6 @@ dict_index_set_page( dict_index_t* index, /* in/out: index */ ulint page); /* in: page number */ /************************************************************************* -Gets the type of the index tree. */ -UNIV_INLINE -ulint -dict_index_get_type( -/*================*/ - /* out: type */ - const dict_index_t* index); /* in: index */ -/************************************************************************* Gets the read-write lock of the index tree. */ UNIV_INLINE rw_lock_t* @@ -1131,6 +1149,19 @@ struct dict_sys_struct{ dict_table_t* sys_indexes; /* SYS_INDEXES table */ dict_table_t* sys_fields; /* SYS_FIELDS table */ }; +#endif /* !UNIV_HOTBACKUP */ + +/* dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +extern dict_index_t* dict_ind_redundant; +/* dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +extern dict_index_t* dict_ind_compact; + +/************************************************************************** +Inits dict_ind_redundant and dict_ind_compact. */ +UNIV_INTERN +void +dict_ind_init(void); +/*===============*/ #ifndef UNIV_NONINL #include "dict0dict.ic" diff --git a/include/dict0dict.ic b/include/dict0dict.ic index 1bed2a538ee..982f0535fd0 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -1,14 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Data dictionary system -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri ***********************************************************************/ +#include "data0type.h" +#ifndef UNIV_HOTBACKUP #include "dict0load.h" #include "rem0types.h" -#include "data0type.h" /************************************************************************* Gets the column data type. */ @@ -27,6 +44,7 @@ dict_col_copy_type( type->mbminlen = col->mbminlen; type->mbmaxlen = col->mbmaxlen; } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* @@ -45,13 +63,16 @@ dict_col_type_assert_equal( ut_ad(col->mtype == type->mtype); ut_ad(col->prtype == type->prtype); ut_ad(col->len == type->len); +# ifndef UNIV_HOTBACKUP ut_ad(col->mbminlen == type->mbminlen); ut_ad(col->mbmaxlen == type->mbmaxlen); +# endif /* !UNIV_HOTBACKUP */ return(TRUE); } #endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP /*************************************************************************** Returns the minimum size of the column. */ UNIV_INLINE @@ -75,6 +96,7 @@ dict_col_get_max_size( { return(dtype_get_max_size_low(col->mtype, col->len)); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the size of a fixed size column, 0 if not a fixed size column. */ UNIV_INLINE @@ -140,6 +162,7 @@ dict_col_get_clust_pos( return(ULINT_UNDEFINED); } +#ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG /************************************************************************ Gets the first index on the table (the clustered index). */ @@ -171,6 +194,7 @@ dict_table_get_next_index( return(UT_LIST_GET_NEXT(indexes, (dict_index_t*) index)); } #endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Check whether the index is the clustered index. */ @@ -577,6 +601,7 @@ dict_index_get_nth_col_no( return(dict_col_get_no(dict_index_get_nth_col(index, pos))); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Returns the minimum data size of an index record. */ UNIV_INLINE @@ -657,21 +682,6 @@ dict_index_set_page( index->page = page; } -/************************************************************************* -Gets the type of the index tree. */ -UNIV_INLINE -ulint -dict_index_get_type( -/*================*/ - /* out: type */ - const dict_index_t* index) /* in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(index->type); -} - /************************************************************************* Gets the read-write lock of the index tree. */ UNIV_INLINE @@ -781,4 +791,4 @@ dict_table_get_on_id_low( return(table); } - +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/dict0load.h b/include/dict0load.h index 0132e805dde..759cbcdb14a 100644 --- a/include/dict0load.h +++ b/include/dict0load.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Loads to the memory cache database object definitions from dictionary tables -(c) 1996 Innobase Oy - Created 4/24/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0load.ic b/include/dict0load.ic index 1a207fbf0fd..72eac2f621a 100644 --- a/include/dict0load.ic +++ b/include/dict0load.ic @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Loads to the memory cache database object definitions from dictionary tables -(c) 1996 Innobase Oy - Created 4/24/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dict0mem.h b/include/dict0mem.h index 6d21315164b..ef824bbaea8 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary memory object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ @@ -15,14 +31,16 @@ Created 1/8/1996 Heikki Tuuri #include "mem0mem.h" #include "rem0types.h" #include "btr0types.h" +#ifndef UNIV_HOTBACKUP +# include "lock0types.h" +# include "que0types.h" +# include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ #include "ut0mem.h" #include "ut0lst.h" #include "ut0rnd.h" #include "ut0byte.h" -#include "sync0rw.h" -#include "lock0types.h" #include "hash0hash.h" -#include "que0types.h" #include "trx0types.h" /* Type flags of an index: OR'ing of the flags is allowed to define a @@ -216,9 +234,11 @@ struct dict_index_struct{ const char* name; /* index name */ const char* table_name; /* table name */ dict_table_t* table; /* back pointer to table */ +#ifndef UNIV_HOTBACKUP unsigned space:32; /* space where the index tree is placed */ unsigned page:32;/* index tree root page number */ +#endif /* !UNIV_HOTBACKUP */ unsigned type:4; /* index type (DICT_CLUSTERED, DICT_UNIQUE, DICT_UNIVERSAL, DICT_IBUF) */ unsigned trx_id_offset:10;/* position of the trx id column @@ -242,6 +262,7 @@ struct dict_index_struct{ dropped in ha_innobase::prepare_drop_index(), otherwise FALSE */ dict_field_t* fields; /* array of field descriptions */ +#ifndef UNIV_HOTBACKUP UT_LIST_NODE_T(dict_index_t) indexes;/* list of indexes of the table */ btr_search_t* search_info; /* info used in optimistic searches */ @@ -263,6 +284,7 @@ struct dict_index_struct{ index, or ut_dulint_zero if the index existed when InnoDB was started up */ #endif /* ROW_MERGE_IS_INDEX_USABLE */ +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG ulint magic_n;/* magic number */ # define DICT_INDEX_MAGIC_N 76789786 @@ -356,6 +378,7 @@ struct dict_table_struct{ the string contains n_cols, it will be allocated from a temporary heap. The final string will be allocated from table->heap. */ +#ifndef UNIV_HOTBACKUP hash_node_t name_hash; /* hash chain node */ hash_node_t id_hash; /* hash chain node */ UT_LIST_BASE_NODE_T(dict_index_t) @@ -471,6 +494,7 @@ struct dict_table_struct{ /* The transaction that currently holds the the AUTOINC lock on this table. */ /*----------------------*/ +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG ulint magic_n;/* magic number */ diff --git a/include/dict0mem.ic b/include/dict0mem.ic index 9bcefc2a51f..6916393a9cd 100644 --- a/include/dict0mem.ic +++ b/include/dict0mem.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Data dictionary memory object creation -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri ***********************************************************************/ diff --git a/include/dict0types.h b/include/dict0types.h index 5a5cb719d7d..b347db3ea37 100644 --- a/include/dict0types.h +++ b/include/dict0types.h @@ -1,16 +1,30 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Data dictionary global types -(c) 1996 Innobase Oy - Created 1/8/1996 Heikki Tuuri *******************************************************/ #ifndef dict0types_h #define dict0types_h -#include "ut0list.h" - typedef struct dict_sys_struct dict_sys_t; typedef struct dict_col_struct dict_col_t; typedef struct dict_field_struct dict_field_t; @@ -26,4 +40,8 @@ typedef dict_table_t dict_cluster_t; typedef struct ind_node_struct ind_node_t; typedef struct tab_node_struct tab_node_t; +/* Space id and page no where the dictionary header resides */ +#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ +#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO + #endif diff --git a/include/dyn0dyn.h b/include/dyn0dyn.h index 7affccbf67e..c06d6b88d2f 100644 --- a/include/dyn0dyn.h +++ b/include/dyn0dyn.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The dynamically allocated array -(c) 1996 Innobase Oy - Created 2/5/1996 Heikki Tuuri *******************************************************/ diff --git a/include/dyn0dyn.ic b/include/dyn0dyn.ic index a2ce75e4667..1ef8b284a99 100644 --- a/include/dyn0dyn.ic +++ b/include/dyn0dyn.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The dynamically allocated array -(c) 1996 Innobase Oy - Created 2/5/1996 Heikki Tuuri *******************************************************/ diff --git a/include/eval0eval.h b/include/eval0eval.h index 652eb02e7f1..75cf9b38c3a 100644 --- a/include/eval0eval.h +++ b/include/eval0eval.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL evaluator: evaluates simple data structures, like expressions, in a query graph -(c) 1997 Innobase Oy - Created 12/29/1997 Heikki Tuuri *******************************************************/ diff --git a/include/eval0eval.ic b/include/eval0eval.ic index d7bd5b1e0e9..a6330ae441f 100644 --- a/include/eval0eval.ic +++ b/include/eval0eval.ic @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL evaluator: evaluates simple data structures, like expressions, in a query graph -(c) 1997 Innobase Oy - Created 12/29/1997 Heikki Tuuri *******************************************************/ diff --git a/include/eval0proc.h b/include/eval0proc.h index 3de31b53a58..58937c18124 100644 --- a/include/eval0proc.h +++ b/include/eval0proc.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Executes SQL stored procedures and their control structures -(c) 1998 Innobase Oy - Created 1/20/1998 Heikki Tuuri *******************************************************/ diff --git a/include/eval0proc.ic b/include/eval0proc.ic index cf738056576..6bd978ad3fc 100644 --- a/include/eval0proc.ic +++ b/include/eval0proc.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Executes SQL stored procedures and their control structures -(c) 1998 Innobase Oy - Created 1/20/1998 Heikki Tuuri *******************************************************/ diff --git a/include/fil0fil.h b/include/fil0fil.h index 534628274e0..67fb3301d68 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -1,20 +1,37 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The low-level file system -(c) 1995 Innobase Oy - Created 10/25/1995 Heikki Tuuri *******************************************************/ #ifndef fil0fil_h #define fil0fil_h -#include "univ.i" -#include "sync0rw.h" #include "dict0types.h" -#include "ibuf0types.h" #include "ut0byte.h" #include "os0file.h" +#ifndef UNIV_HOTBACKUP +#include "sync0rw.h" +#include "ibuf0types.h" +#endif /* !UNIV_HOTBACKUP */ /* When mysqld is run, the default directory "." is the mysqld datadir, but in ibbackup we must set it explicitly; the patgh must NOT contain the trailing @@ -130,6 +147,7 @@ extern ulint fil_n_pending_log_flushes; extern ulint fil_n_pending_tablespace_flushes; +#ifndef UNIV_HOTBACKUP /*********************************************************************** Returns the version number of a tablespace, -1 if not found. */ UNIV_INTERN @@ -157,6 +175,7 @@ fil_space_get_type( /*===============*/ /* out: FIL_TABLESPACE or FIL_LOG */ ulint id); /* in: space id */ +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Appends a new file to the chain of files of a space. File must be closed. */ UNIV_INTERN @@ -248,6 +267,7 @@ UNIV_INTERN void fil_init( /*=====*/ + ulint hash_size, /* in: hash table size */ ulint max_n_open); /* in: max number of open files */ /*********************************************************************** Opens all log files and system tablespace data files. They stay open until the @@ -274,6 +294,7 @@ void fil_set_max_space_id_if_bigger( /*===========================*/ ulint max_id);/* in: maximum known id */ +#ifndef UNIV_HOTBACKUP /******************************************************************** Writes the flushed lsn and the latest archived log number to the page header of the first page of each data file in the system tablespace. */ @@ -319,6 +340,7 @@ void fil_decr_pending_ibuf_merges( /*=========================*/ ulint id); /* in: space id */ +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Parses the body of a log record written about an .ibd file operation. That is, the log record part after the standard (type, space id, page no) header of the @@ -355,6 +377,7 @@ fil_delete_tablespace( /*==================*/ /* out: TRUE if success */ ulint id); /* in: space id */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Discards a single-table tablespace. The tablespace must be cached in the memory cache. Discarding is like deleting a tablespace, but @@ -369,6 +392,7 @@ fil_discard_tablespace( /*===================*/ /* out: TRUE if success */ ulint id); /* in: space id */ +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Renames a single-table tablespace. The tablespace must be cached in the tablespace memory cache. */ @@ -410,6 +434,7 @@ fil_create_new_single_table_tablespace( ulint size); /* in: the initial size of the tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ +#ifndef UNIV_HOTBACKUP /************************************************************************ Tries to open a single-table tablespace and optionally checks the space id is right in it. If does not succeed, prints an error message to the .err log. This @@ -454,6 +479,7 @@ fil_reset_too_high_lsns( ib_uint64_t current_lsn); /* in: reset lsn's if the lsn stamped to FIL_PAGE_FILE_FLUSH_LSN in the first page is too high */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ At the server startup, if we need crash recovery, scans the database directories under the MySQL datadir, looking for .ibd files. Those files are @@ -497,6 +523,7 @@ fil_tablespace_exists_in_mem( /*=========================*/ /* out: TRUE if exists */ ulint id); /* in: space id */ +#ifndef UNIV_HOTBACKUP /*********************************************************************** Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory cache. Note that if we have not done a crash recovery at the database startup, @@ -524,6 +551,17 @@ fil_space_for_table_exists_in_mem( information to the .err log if a matching tablespace is not found from memory */ +#else /* !UNIV_HOTBACKUP */ +/************************************************************************ +Extends all tablespaces to the size stored in the space header. During the +ibbackup --apply-log phase we extended the spaces on-demand so that log records +could be appllied, but that may have left spaces still too small compared to +the size stored in the space header. */ +UNIV_INTERN +void +fil_extend_tablespaces_to_stored_len(void); +/*======================================*/ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Tries to extend a data file so that it would accommodate the number of pages given. The tablespace must be cached in the memory cache. If the space is big @@ -540,17 +578,6 @@ fil_extend_space_to_desired_size( ulint size_after_extend);/* in: desired size in pages after the extension; if the current space size is bigger than this already, the function does nothing */ -#ifdef UNIV_HOTBACKUP -/************************************************************************ -Extends all tablespaces to the size stored in the space header. During the -ibbackup --apply-log phase we extended the spaces on-demand so that log records -could be appllied, but that may have left spaces still too small compared to -the size stored in the space header. */ -UNIV_INTERN -void -fil_extend_tablespaces_to_stored_len(void); -/*======================================*/ -#endif /*********************************************************************** Tries to reserve free extents in a file space. */ UNIV_INTERN diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index ada805b70bf..1f6ae4b614b 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** File space management -(c) 1995 Innobase Oy - Created 12/18/1995 Heikki Tuuri *******************************************************/ diff --git a/include/fsp0fsp.ic b/include/fsp0fsp.ic index 57f32d7d1b9..f0301cc5e18 100644 --- a/include/fsp0fsp.ic +++ b/include/fsp0fsp.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** File space management -(c) 1995 Innobase Oy - Created 12/18/1995 Heikki Tuuri *******************************************************/ diff --git a/include/fut0fut.h b/include/fut0fut.h index 5d5430a5ffe..4de0c97294c 100644 --- a/include/fut0fut.h +++ b/include/fut0fut.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based utilities -(c) 1995 Innobase Oy - Created 12/13/1995 Heikki Tuuri ***********************************************************************/ diff --git a/include/fut0fut.ic b/include/fut0fut.ic index 4b2451a2e00..f7e820da008 100644 --- a/include/fut0fut.ic +++ b/include/fut0fut.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based utilities -(c) 1995 Innobase Oy - Created 12/13/1995 Heikki Tuuri ***********************************************************************/ diff --git a/include/fut0lst.h b/include/fut0lst.h index cd7449cebb6..32a9def9e47 100644 --- a/include/fut0lst.h +++ b/include/fut0lst.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based list utilities -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ @@ -28,7 +44,7 @@ typedef byte flst_node_t; /* The physical size of a list node in bytes */ #define FLST_NODE_SIZE (2 * FIL_ADDR_SIZE) - +#ifndef UNIV_HOTBACKUP /************************************************************************ Initializes a list base node. */ UNIV_INLINE @@ -195,4 +211,6 @@ flst_print( #include "fut0lst.ic" #endif +#endif /* !UNIV_HOTBACKUP */ + #endif diff --git a/include/fut0lst.ic b/include/fut0lst.ic index 67081d79373..5899e996059 100644 --- a/include/fut0lst.ic +++ b/include/fut0lst.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** File-based list utilities -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ diff --git a/include/ha0ha.h b/include/ha0ha.h index bf409751695..f77ec2ace85 100644 --- a/include/ha0ha.h +++ b/include/ha0ha.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The hash table with external chains -(c) 1994-1997 Innobase Oy - Created 8/18/1994 Heikki Tuuri *******************************************************/ @@ -124,6 +140,7 @@ ha_search_and_delete_if_found( hash_table_t* table, /* in: hash table */ ulint fold, /* in: folded value of the searched data */ void* data); /* in: pointer to the data */ +#ifndef UNIV_HOTBACKUP /********************************************************************* Removes from the chain determined by fold all nodes whose data pointer points to the page given. */ @@ -152,6 +169,7 @@ ha_print_info( /*==========*/ FILE* file, /* in: file where to print */ hash_table_t* table); /* in: hash table */ +#endif /* !UNIV_HOTBACKUP */ /* The hash table external chain node */ @@ -165,6 +183,13 @@ struct ha_node_struct { ulint fold; /* fold value for the data */ }; +#ifndef UNIV_HOTBACKUP +# define ASSERT_HASH_MUTEX_OWN(table, fold) \ + ut_ad(!(table)->mutexes || mutex_own(hash_get_mutex(table, fold))) +#else /* !UNIV_HOTBACKUP */ +# define ASSERT_HASH_MUTEX_OWN(table, fold) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + #ifndef UNIV_NONINL #include "ha0ha.ic" #endif diff --git a/include/ha0ha.ic b/include/ha0ha.ic index 256151c26fd..bd52bc64567 100644 --- a/include/ha0ha.ic +++ b/include/ha0ha.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The hash table with external chains -(c) 1994-1997 Innobase Oy - Created 8/18/1994 Heikki Tuuri *************************************************************************/ @@ -94,7 +110,7 @@ ha_search( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_chain_get_first(table, fold); @@ -124,7 +140,7 @@ ha_search_and_get_data( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_chain_get_first(table, fold); @@ -154,7 +170,7 @@ ha_search_with_data( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_chain_get_first(table, fold); @@ -184,7 +200,7 @@ ha_search_and_delete_if_found( { ha_node_t* node; - ut_ad(!table->mutexes || mutex_own(hash_get_mutex(table, fold))); + ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_search_with_data(table, fold, data); diff --git a/include/ha0storage.h b/include/ha0storage.h index 3828181aa34..f5a3938f434 100644 --- a/include/ha0storage.h +++ b/include/ha0storage.h @@ -1,10 +1,26 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. -(c) 2007 Innobase Oy - Created September 22, 2007 Vasil Dimov *******************************************************/ diff --git a/include/ha0storage.ic b/include/ha0storage.ic index 311161b015e..7ab43bc00ba 100644 --- a/include/ha0storage.ic +++ b/include/ha0storage.ic @@ -1,10 +1,26 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. -(c) 2007 Innobase Oy - Created September 24, 2007 Vasil Dimov *******************************************************/ diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 7c46c4de767..0deca8ba4ca 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #ifndef HA_INNODB_PROTOTYPES_H #define HA_INNODB_PROTOTYPES_H @@ -45,7 +63,7 @@ innobase_raw_format( char* buf, /* out: output buffer */ ulint buf_size); /* in: output buffer size in bytes */ - + /********************************************************************* Convert a table or index name to the MySQL system_charset_info (UTF-8) and quote it if needed. */ @@ -206,6 +224,24 @@ innobase_get_charset( /* out: connection character set */ void* mysql_thd); /* in: MySQL thread handle */ +/********************************************************************** +This function is used to find the storage length in bytes of the first n +characters for prefix indexes using a multibyte character set. The function +finds charset information and returns length of prefix_len characters in the +index field in bytes. */ +UNIV_INTERN +ulint +innobase_get_at_most_n_mbchars( +/*===========================*/ + /* out: number of bytes occupied by the first + n characters */ + ulint charset_id, /* in: character set id */ + ulint prefix_len, /* in: prefix length in bytes of the index + (this has to be divided by mbmaxlen to get the + number of CHARACTERS n in the prefix) */ + ulint data_len, /* in: length of the string in bytes */ + const char* str); /* in: character string */ + /********************************************************************** Returns true if the thread supports XA, global value of innodb_supports_xa if thd is NULL. */ diff --git a/include/handler0alter.h b/include/handler0alter.h index 59063c85f3c..69488b67b2b 100644 --- a/include/handler0alter.h +++ b/include/handler0alter.h @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Smart ALTER TABLE - -(c) 2005-2007 Innobase Oy *******************************************************/ /***************************************************************** diff --git a/include/hash0hash.h b/include/hash0hash.h index 9a40a6a1cee..7b484dbf667 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The simple hash table utility -(c) 1997 Innobase Oy - Created 5/20/1997 Heikki Tuuri *******************************************************/ @@ -11,7 +27,9 @@ Created 5/20/1997 Heikki Tuuri #include "univ.i" #include "mem0mem.h" -#include "sync0sync.h" +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +#endif /* !UNIV_HOTBACKUP */ typedef struct hash_table_struct hash_table_t; typedef struct hash_cell_struct hash_cell_t; @@ -30,6 +48,7 @@ hash_create( /*========*/ /* out, own: created table */ ulint n); /* in: number of array cells */ +#ifndef UNIV_HOTBACKUP /***************************************************************** Creates a mutex array to protect a hash table. */ UNIV_INTERN @@ -47,6 +66,7 @@ hash_create_mutexes_func( #else /* UNIV_SYNC_DEBUG */ # define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,n) #endif /* UNIV_SYNC_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Frees a hash table. */ @@ -64,10 +84,14 @@ hash_calc_hash( /* out: hashed value */ ulint fold, /* in: folded value */ hash_table_t* table); /* in: hash table */ +#ifndef UNIV_HOTBACKUP /************************************************************************ Assert that the mutex for the table in a hash operation is owned. */ -#define HASH_ASSERT_OWNED(TABLE, FOLD) \ +# define HASH_ASSERT_OWNED(TABLE, FOLD) \ ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); +#else /* !UNIV_HOTBACKUP */ +# define HASH_ASSERT_OWNED(TABLE, FOLD) +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Inserts a struct to a hash table. */ @@ -277,6 +301,7 @@ do {\ mem_heap_free_top(hash_get_heap(TABLE, fold111), sizeof(TYPE));\ } while (0) +#ifndef UNIV_HOTBACKUP /******************************************************************** Move all hash table entries from OLD_TABLE to NEW_TABLE.*/ @@ -302,7 +327,6 @@ do {\ }\ } while (0) - /**************************************************************** Gets the mutex index for a fold value in a hash table. */ UNIV_INLINE @@ -378,7 +402,11 @@ void hash_mutex_exit_all( /*================*/ hash_table_t* table); /* in: hash table */ - +#else /* !UNIV_HOTBACKUP */ +# define hash_get_heap(table, fold) ((table)->heap) +# define hash_mutex_enter(table, fold) ((void) 0) +# define hash_mutex_exit(table, fold) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ struct hash_cell_struct{ void* node; /* hash chain node, NULL if none */ @@ -387,11 +415,14 @@ struct hash_cell_struct{ /* The hash table structure */ struct hash_table_struct { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP ibool adaptive;/* TRUE if this is the hash table of the adaptive hash index */ +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ ulint n_cells;/* number of cells in the hash table */ hash_cell_t* array; /* pointer to cell array */ +#ifndef UNIV_HOTBACKUP ulint n_mutexes;/* if mutexes != NULL, then the number of mutexes, must be a power of 2 */ mutex_t* mutexes;/* NULL, or an array of mutexes used to @@ -400,6 +431,7 @@ struct hash_table_struct { external chaining can be allocated from these memory heaps; there are then n_mutexes many of these heaps */ +#endif /* !UNIV_HOTBACKUP */ mem_heap_t* heap; ulint magic_n; }; diff --git a/include/hash0hash.ic b/include/hash0hash.ic index c9e0536a270..7e0810dc1b0 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The simple hash table utility -(c) 1997 Innobase Oy - Created 5/20/1997 Heikki Tuuri *******************************************************/ @@ -60,6 +76,7 @@ hash_calc_hash( return(ut_hash_ulint(fold, table->n_cells)); } +#ifndef UNIV_HOTBACKUP /**************************************************************** Gets the mutex index for a fold value in a hash table. */ UNIV_INLINE @@ -142,3 +159,4 @@ hash_get_mutex( return(hash_get_nth_mutex(table, i)); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index d1b8e6ec1b0..71b62692818 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert buffer -(c) 1997 Innobase Oy - Created 7/19/1997 Heikki Tuuri *******************************************************/ @@ -11,12 +27,13 @@ Created 7/19/1997 Heikki Tuuri #include "univ.i" -#include "dict0mem.h" #include "mtr0mtr.h" -#include "que0types.h" -#include "ibuf0types.h" +#include "dict0mem.h" #include "fsp0fsp.h" +#ifndef UNIV_HOTBACKUP +# include "ibuf0types.h" + /* Possible operations buffered in the insert/whatever buffer. See ibuf_insert(). DO NOT CHANGE THE VALUES OF THESE, THEY ARE STORED ON DISK. */ typedef enum { @@ -312,6 +329,7 @@ ibuf_contract_for_n_pages( ulint n_pages);/* in: try to read at least this many pages to the buffer pool and merge the ibuf contents to them */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Parses a redo log record of an ibuf bitmap page init. */ UNIV_INTERN @@ -323,6 +341,7 @@ ibuf_parse_bitmap_init( byte* end_ptr,/* in: buffer end */ buf_block_t* block, /* in: block or NULL */ mtr_t* mtr); /* in: mtr or NULL */ +#ifndef UNIV_HOTBACKUP #ifdef UNIV_IBUF_COUNT_DEBUG /********************************************************************** Gets the ibuf count for a given page. */ @@ -364,6 +383,8 @@ ibuf_rec_get_counter( #define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO #define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO +#endif /* !UNIV_HOTBACKUP */ + /* The ibuf header page currently contains only the file segment header for the file segment from which the pages for the ibuf tree are allocated */ #define IBUF_HEADER PAGE_DATA diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index aaef070d00a..a9ee0d5e093 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -1,14 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert buffer -(c) 1997 Innobase Oy - Created 7/19/1997 Heikki Tuuri *******************************************************/ -#include "buf0lru.h" #include "page0page.h" #include "page0zip.h" +#ifndef UNIV_HOTBACKUP +#include "buf0lru.h" extern ulint ibuf_flush_count; @@ -312,3 +329,4 @@ ibuf_update_free_bits_if_full( ibuf_set_free_bits(block, after, before); } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/ibuf0types.h b/include/ibuf0types.h index a9e4ccc5052..264415196a1 100644 --- a/include/ibuf0types.h +++ b/include/ibuf0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert buffer global types -(c) 1997 Innobase Oy - Created 7/29/1997 Heikki Tuuri *******************************************************/ diff --git a/include/lock0iter.h b/include/lock0iter.h index e3de9b57a90..3cd47bb95d2 100644 --- a/include/lock0iter.h +++ b/include/lock0iter.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Lock queue iterator type and function prototypes. -(c) 2007 Innobase Oy - Created July 16, 2007 Vasil Dimov *******************************************************/ diff --git a/include/lock0lock.h b/include/lock0lock.h index 1c9ee9c5442..2deeb804737 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction lock system -(c) 1996 Innobase Oy - Created 5/7/1996 Heikki Tuuri *******************************************************/ diff --git a/include/lock0lock.ic b/include/lock0lock.ic index bd0bcabad70..f978cc70678 100644 --- a/include/lock0lock.ic +++ b/include/lock0lock.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction lock system -(c) 1996 Innobase Oy - Created 5/7/1996 Heikki Tuuri *******************************************************/ diff --git a/include/lock0priv.h b/include/lock0priv.h index 809710ced9e..0a0d41e6aaa 100644 --- a/include/lock0priv.h +++ b/include/lock0priv.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Lock module internal structures and methods. -(c) 2007 Innobase Oy - Created July 12, 2007 Vasil Dimov *******************************************************/ diff --git a/include/lock0priv.ic b/include/lock0priv.ic index d119d00cde2..ae633a4fc61 100644 --- a/include/lock0priv.ic +++ b/include/lock0priv.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Lock module internal inline methods. -(c) 2007 Innobase Oy - Created July 16, 2007 Vasil Dimov *******************************************************/ diff --git a/include/lock0types.h b/include/lock0types.h index 2c27c476269..52631b56532 100644 --- a/include/lock0types.h +++ b/include/lock0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction lock system global types -(c) 1996 Innobase Oy - Created 5/7/1996 Heikki Tuuri *******************************************************/ diff --git a/include/log0log.h b/include/log0log.h index c71f53a8de1..c9b1ef34789 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database log -(c) 1995 Innobase Oy - Created 12/9/1995 Heikki Tuuri *******************************************************/ @@ -11,8 +27,11 @@ Created 12/9/1995 Heikki Tuuri #include "univ.i" #include "ut0byte.h" +#include "ut0lst.h" +#ifndef UNIV_HOTBACKUP #include "sync0sync.h" #include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ typedef struct log_struct log_t; typedef struct log_group_struct log_group_t; @@ -30,6 +49,7 @@ extern ibool log_debug_writes; #define LOG_WAIT_ALL_GROUPS 93 #define LOG_MAX_N_GROUPS 32 +#ifndef UNIV_HOTBACKUP /******************************************************************** Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, so that we know that the limit has been written to a log checkpoint field @@ -39,6 +59,7 @@ void log_fsp_current_free_limit_set_and_checkpoint( /*==========================================*/ ulint limit); /* in: limit to set */ +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Calculates where in log files we find a specified lsn. */ UNIV_INTERN @@ -56,6 +77,7 @@ log_calc_where_lsn_is( files */ ib_int64_t log_file_size); /* in: log file size (including the header) */ +#ifndef UNIV_HOTBACKUP /**************************************************************** Writes to the log the string given. The log must be released with log_release. */ @@ -245,30 +267,16 @@ UNIV_INTERN void log_checkpoint_get_nth_group_info( /*==============================*/ - byte* buf, /* in: buffer containing checkpoint info */ - ulint n, /* in: nth slot */ - ulint* file_no,/* out: archived file number */ - ulint* offset);/* out: archived file offset */ + const byte* buf, /* in: buffer containing checkpoint info */ + ulint n, /* in: nth slot */ + ulint* file_no,/* out: archived file number */ + ulint* offset);/* out: archived file offset */ /********************************************************** Writes checkpoint info to groups. */ UNIV_INTERN void log_groups_write_checkpoint_info(void); /*==================================*/ -#ifdef UNIV_HOTBACKUP -/********************************************************** -Writes info to a buffer of a log group when log files are created in -backup restoration. */ -UNIV_INTERN -void -log_reset_first_header_and_checkpoint( -/*==================================*/ - byte* hdr_buf,/* in: buffer which will be written to the - start of the first log file */ - ib_uint64_t start); /* in: lsn of the start of the first log file; - we pretend that there is a checkpoint at - start + LOG_BLOCK_HDR_SIZE */ -#endif /* UNIV_HOTBACKUP */ /************************************************************************ Starts an archiving operation. */ UNIV_INTERN @@ -321,6 +329,20 @@ log_archived_file_name_gen( char* buf, /* in: buffer where to write */ ulint id, /* in: group id */ ulint file_no);/* in: file number */ +#else /* !UNIV_HOTBACKUP */ +/********************************************************** +Writes info to a buffer of a log group when log files are created in +backup restoration. */ +UNIV_INTERN +void +log_reset_first_header_and_checkpoint( +/*==================================*/ + byte* hdr_buf,/* in: buffer which will be written to the + start of the first log file */ + ib_uint64_t start); /* in: lsn of the start of the first log file; + we pretend that there is a checkpoint at + start + LOG_BLOCK_HDR_SIZE */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Checks that there is enough free space in the log to start a new query step. Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this @@ -330,6 +352,7 @@ UNIV_INTERN void log_check_margins(void); /*===================*/ +#ifndef UNIV_HOTBACKUP /********************************************************** Reads a specified log segment to a buffer. */ UNIV_INTERN @@ -366,7 +389,7 @@ UNIV_INTERN void log_group_set_fields( /*=================*/ - log_group_t* group, /* in: group */ + log_group_t* group, /* in/out: group */ ib_uint64_t lsn); /* in: lsn for which the values should be set */ /********************************************************** @@ -376,42 +399,45 @@ UNIV_INTERN ulint log_group_get_capacity( /*===================*/ - /* out: capacity in bytes */ - log_group_t* group); /* in: log group */ + /* out: capacity in bytes */ + const log_group_t* group); /* in: log group */ +#endif /* !UNIV_HOTBACKUP */ /**************************************************************** Gets a log block flush bit. */ UNIV_INLINE ibool log_block_get_flush_bit( /*====================*/ - /* out: TRUE if this block was the first - to be written in a log flush */ - byte* log_block); /* in: log block */ + /* out: TRUE if this block was + the first to be written in a + log flush */ + const byte* log_block); /* in: log block */ /**************************************************************** Gets a log block number stored in the header. */ UNIV_INLINE ulint log_block_get_hdr_no( /*=================*/ - /* out: log block number stored in the block - header */ - byte* log_block); /* in: log block */ + /* out: log block number + stored in the block header */ + const byte* log_block); /* in: log block */ /**************************************************************** Gets a log block data length. */ UNIV_INLINE ulint log_block_get_data_len( /*===================*/ - /* out: log block data length measured as a - byte offset from the block start */ - byte* log_block); /* in: log block */ + /* out: log block data length + measured as a byte offset from + the block start */ + const byte* log_block); /* in: log block */ /**************************************************************** Sets the log block data length. */ UNIV_INLINE void log_block_set_data_len( /*===================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint len); /* in: data length */ /**************************************************************** Calculates the checksum for a log block. */ @@ -435,7 +461,7 @@ UNIV_INLINE void log_block_set_checksum( /*===================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint checksum); /* in: checksum */ /**************************************************************** Gets a log block first mtr log record group offset. */ @@ -443,16 +469,17 @@ UNIV_INLINE ulint log_block_get_first_rec_group( /*==========================*/ - /* out: first mtr log record group byte offset - from the block start, 0 if none */ - byte* log_block); /* in: log block */ + /* out: first mtr log record + group byte offset from the + block start, 0 if none */ + const byte* log_block); /* in: log block */ /**************************************************************** Sets the log block first mtr log record group offset. */ UNIV_INLINE void log_block_set_first_rec_group( /*==========================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint offset); /* in: offset, 0 if none */ /**************************************************************** Gets a log block checkpoint number field (4 lowest bytes). */ @@ -460,8 +487,9 @@ UNIV_INLINE ulint log_block_get_checkpoint_no( /*========================*/ - /* out: checkpoint no (4 lowest bytes) */ - byte* log_block); /* in: log block */ + /* out: checkpoint no (4 + lowest bytes) */ + const byte* log_block); /* in: log block */ /**************************************************************** Initializes a log block in the log buffer. */ UNIV_INLINE @@ -697,7 +725,9 @@ struct log_struct{ ib_uint64_t lsn; /* log sequence number */ ulint buf_free; /* first free offset within the log buffer */ +#ifndef UNIV_HOTBACKUP mutex_t mutex; /* mutex protecting the log */ +#endif /* !UNIV_HOTBACKUP */ byte* buf; /* log buffer */ ulint buf_size; /* log buffer size in bytes */ ulint max_buf_free; /* recommended maximum value of @@ -720,6 +750,7 @@ struct log_struct{ UT_LIST_BASE_NODE_T(log_group_t) log_groups; /* log groups */ +#ifndef UNIV_HOTBACKUP /* The fields involved in the log buffer flush */ ulint buf_next_to_write;/* first offset in the log buffer @@ -825,6 +856,7 @@ struct log_struct{ checkpoint write is running; a thread should wait for this without owning the log mutex */ +#endif /* !UNIV_HOTBACKUP */ byte* checkpoint_buf; /* checkpoint header is read to this buffer */ #ifdef UNIV_LOG_ARCHIVE diff --git a/include/log0log.ic b/include/log0log.ic index e2eecf3fb77..937c0f939ca 100644 --- a/include/log0log.ic +++ b/include/log0log.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database log -(c) 1995 Innobase Oy - Created 12/9/1995 Heikki Tuuri *******************************************************/ @@ -29,9 +45,10 @@ UNIV_INLINE ibool log_block_get_flush_bit( /*====================*/ - /* out: TRUE if this block was the first - to be written in a log flush */ - byte* log_block) /* in: log block */ + /* out: TRUE if this block was + the first to be written in a + log flush */ + const byte* log_block) /* in: log block */ { if (LOG_BLOCK_FLUSH_BIT_MASK & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)) { @@ -48,7 +65,7 @@ UNIV_INLINE void log_block_set_flush_bit( /*====================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ibool val) /* in: value to set */ { ulint field; @@ -70,9 +87,9 @@ UNIV_INLINE ulint log_block_get_hdr_no( /*=================*/ - /* out: log block number stored in the block - header */ - byte* log_block) /* in: log block */ + /* out: log block number + stored in the block header */ + const byte* log_block) /* in: log block */ { return(~LOG_BLOCK_FLUSH_BIT_MASK & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)); @@ -85,7 +102,7 @@ UNIV_INLINE void log_block_set_hdr_no( /*=================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint n) /* in: log block number: must be > 0 and < LOG_BLOCK_FLUSH_BIT_MASK */ { @@ -101,9 +118,10 @@ UNIV_INLINE ulint log_block_get_data_len( /*===================*/ - /* out: log block data length measured as a - byte offset from the block start */ - byte* log_block) /* in: log block */ + /* out: log block data length + measured as a byte offset from + the block start */ + const byte* log_block) /* in: log block */ { return(mach_read_from_2(log_block + LOG_BLOCK_HDR_DATA_LEN)); } @@ -114,7 +132,7 @@ UNIV_INLINE void log_block_set_data_len( /*===================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint len) /* in: data length */ { mach_write_to_2(log_block + LOG_BLOCK_HDR_DATA_LEN, len); @@ -126,9 +144,10 @@ UNIV_INLINE ulint log_block_get_first_rec_group( /*==========================*/ - /* out: first mtr log record group byte offset - from the block start, 0 if none */ - byte* log_block) /* in: log block */ + /* out: first mtr log record + group byte offset from the + block start, 0 if none */ + const byte* log_block) /* in: log block */ { return(mach_read_from_2(log_block + LOG_BLOCK_FIRST_REC_GROUP)); } @@ -139,7 +158,7 @@ UNIV_INLINE void log_block_set_first_rec_group( /*==========================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint offset) /* in: offset, 0 if none */ { mach_write_to_2(log_block + LOG_BLOCK_FIRST_REC_GROUP, offset); @@ -151,8 +170,9 @@ UNIV_INLINE ulint log_block_get_checkpoint_no( /*========================*/ - /* out: checkpoint no (4 lowest bytes) */ - byte* log_block) /* in: log block */ + /* out: checkpoint no (4 + lowest bytes) */ + const byte* log_block) /* in: log block */ { return(mach_read_from_4(log_block + LOG_BLOCK_CHECKPOINT_NO)); } @@ -163,7 +183,7 @@ UNIV_INLINE void log_block_set_checkpoint_no( /*========================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ib_uint64_t no) /* in: checkpoint no */ { mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no); @@ -231,7 +251,7 @@ UNIV_INLINE void log_block_set_checksum( /*===================*/ - byte* log_block, /* in: log block */ + byte* log_block, /* in/out: log block */ ulint checksum) /* in: checksum */ { mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE @@ -283,6 +303,7 @@ log_block_init_in_old_format( log_block_set_first_rec_group(log_block, 0); } +#ifndef UNIV_HOTBACKUP /**************************************************************** Writes to the log the string given. The log must be released with log_release. */ @@ -389,3 +410,4 @@ log_free_check(void) log_check_margins(); } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/log0recv.h b/include/log0recv.h index 330059a675c..505e7aef918 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Recovery -(c) 1997 Innobase Oy - Created 9/20/1997 Heikki Tuuri *******************************************************/ @@ -25,7 +41,7 @@ ibool recv_read_cp_info_for_backup( /*=========================*/ /* out: TRUE if success */ - byte* hdr, /* in: buffer containing the log group + const byte* hdr, /* in: buffer containing the log group header */ ib_uint64_t* lsn, /* out: checkpoint lsn */ ulint* offset, /* out: checkpoint offset in the log group */ @@ -61,29 +77,33 @@ UNIV_INLINE ibool recv_recovery_is_on(void); /*=====================*/ +#ifdef UNIV_LOG_ARCHIVE /*********************************************************************** Returns TRUE if recovery from backup is currently running. */ UNIV_INLINE ibool recv_recovery_from_backup_is_on(void); /*=================================*/ +#endif /* UNIV_LOG_ARCHIVE */ /**************************************************************************** Applies the hashed log records to the page, if the page lsn is less than the lsn of a log record. This can be called when a buffer page has just been read in, or also for a page already in the buffer pool. */ UNIV_INTERN void -recv_recover_page( -/*==============*/ - ibool recover_backup, - /* in: TRUE if we are recovering a backup - page: then we do not acquire any latches - since the page was read in outside the - buffer pool */ +recv_recover_page_func( +/*===================*/ +#ifndef UNIV_HOTBACKUP ibool just_read_in, /* in: TRUE if the i/o-handler calls this for a freshly read page */ +#endif /* !UNIV_HOTBACKUP */ buf_block_t* block); /* in: buffer block */ +#ifndef UNIV_HOTBACKUP +# define recv_recover_page(jri, block) recv_recover_page_func(jri, block) +#else /* !UNIV_HOTBACKUP */ +# define recv_recover_page(jri, block) recv_recover_page_func(block) +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Recovers from a checkpoint. When this function returns, the database is able to start processing of new user transactions, but the function @@ -117,8 +137,10 @@ void recv_recovery_from_checkpoint_finish(void); /*======================================*/ /*********************************************************** -Scans log from a buffer and stores new log data to the parsing buffer. Parses -and hashes the log records if new data found. */ +Scans log from a buffer and stores new log data to the parsing buffer. +Parses and hashes the log records if new data found. Unless +UNIV_HOTBACKUP is defined, this function will apply log records +automatically when the hash table becomes full. */ UNIV_INTERN ibool recv_scan_log_recs( @@ -126,20 +148,14 @@ recv_scan_log_recs( /* out: TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ - ibool apply_automatically,/* in: TRUE if we want this - function to apply log records - automatically when the hash table - becomes full; in the hot backup tool - the tool does the applying, not this - function */ ulint available_memory,/* in: we let the hash table of recs to grow to this size, at the maximum */ ibool store_to_hash, /* in: TRUE if the records should be stored to the hash table; this is set to FALSE if just debug checking is needed */ - byte* buf, /* in: buffer containing a log segment - or garbage */ + const byte* buf, /* in: buffer containing a log + segment or garbage */ ulint len, /* in: buffer length */ ib_uint64_t start_lsn, /* in: buffer start lsn */ ib_uint64_t* contiguous_lsn, /* in/out: it is known that all log @@ -190,8 +206,6 @@ UNIV_INTERN void recv_sys_init( /*==========*/ - ibool recover_from_backup, /* in: TRUE if this is called - to recover from a hot backup */ ulint available_memory); /* in: available memory in bytes */ /*********************************************************************** Empties the hash table of stored log records, applying them to appropriate @@ -283,9 +297,11 @@ struct recv_addr_struct{ /* Recovery system data structure */ typedef struct recv_sys_struct recv_sys_t; struct recv_sys_struct{ +#ifndef UNIV_HOTBACKUP mutex_t mutex; /* mutex protecting the fields apply_log_recs, n_addrs, and the state field in each recv_addr struct */ +#endif /* !UNIV_HOTBACKUP */ ibool apply_log_recs; /* this is TRUE when log rec application to pages is allowed; this flag tells the diff --git a/include/log0recv.ic b/include/log0recv.ic index ba4588d1a24..4e6863b4730 100644 --- a/include/log0recv.ic +++ b/include/log0recv.ic @@ -1,15 +1,29 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Recovery -(c) 1997 Innobase Oy - Created 9/20/1997 Heikki Tuuri *******************************************************/ #include "univ.i" -extern ibool recv_recovery_from_backup_on; - /*********************************************************************** Returns TRUE if recovery is currently running. */ UNIV_INLINE @@ -20,6 +34,9 @@ recv_recovery_is_on(void) return(UNIV_UNLIKELY(recv_recovery_on)); } +#ifdef UNIV_LOG_ARCHIVE +extern ibool recv_recovery_from_backup_on; + /*********************************************************************** Returns TRUE if recovery from backup is currently running. */ UNIV_INLINE @@ -29,4 +46,4 @@ recv_recovery_from_backup_is_on(void) { return(recv_recovery_from_backup_on); } - +#endif /* UNIV_LOG_ARCHIVE */ diff --git a/include/mach0data.h b/include/mach0data.h index 0fd005dbb96..f718b401edf 100644 --- a/include/mach0data.h +++ b/include/mach0data.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Utilities for converting data from the database file to the machine format. -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ @@ -293,6 +309,7 @@ mach_dulint_parse_compressed( byte* ptr, /* in: pointer to buffer from where to read */ byte* end_ptr,/* in: pointer to end of the buffer */ dulint* val); /* out: read value */ +#ifndef UNIV_HOTBACKUP /************************************************************* Reads a double. It is stored in a little-endian format. */ UNIV_INLINE @@ -375,6 +392,8 @@ mach_read_int_type( const byte* src, /* in: where to read from */ ulint len, /* in: length of src */ ibool unsigned_type); /* in: signed or unsigned flag */ +#endif /* !UNIV_HOTBACKUP */ + #ifndef UNIV_NONINL #include "mach0data.ic" #endif diff --git a/include/mach0data.ic b/include/mach0data.ic index def5918218e..d9fca6def74 100644 --- a/include/mach0data.ic +++ b/include/mach0data.ic @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Utilities for converting data from the database file to the machine format. -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ @@ -531,7 +547,7 @@ mach_dulint_read_much_compressed( return(ut_dulint_create(high, low)); } - +#ifndef UNIV_HOTBACKUP /************************************************************* Reads a double. It is stored in a little-endian format. */ UNIV_INLINE @@ -766,3 +782,4 @@ mach_read_int_type( return(ret); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/mem0dbg.h b/include/mem0dbg.h index 5ae2091dd69..0568a595d06 100644 --- a/include/mem0dbg.h +++ b/include/mem0dbg.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The memory management: the debug code. This is not a compilation module, but is included in mem0mem.* ! -(c) 1994, 1995 Innobase Oy - Created 6/9/1994 Heikki Tuuri *******************************************************/ diff --git a/include/mem0dbg.ic b/include/mem0dbg.ic index a5f2e2c3e12..049e986f18e 100644 --- a/include/mem0dbg.ic +++ b/include/mem0dbg.ic @@ -1,14 +1,32 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The memory management: the debug code. This is not an independent compilation module but is included in mem0mem.*. -(c) 1994, 1995 Innobase Oy - Created 6/8/1994 Heikki Tuuri *************************************************************************/ #ifdef UNIV_MEM_DEBUG +# ifndef UNIV_HOTBACKUP extern mutex_t mem_hash_mutex; +# endif /* !UNIV_HOTBACKUP */ extern ulint mem_current_allocated_memory; /********************************************************************** diff --git a/include/mem0mem.h b/include/mem0mem.h index 8993373c519..e49a3266f60 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The memory management -(c) 1994, 1995 Innobase Oy - Created 6/9/1994 Heikki Tuuri *******************************************************/ @@ -12,9 +28,10 @@ Created 6/9/1994 Heikki Tuuri #include "univ.i" #include "ut0mem.h" #include "ut0byte.h" -#include "ut0ut.h" #include "ut0rnd.h" -#include "sync0sync.h" +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +#endif /* UNIV_HOTBACKUP */ #include "ut0lst.h" #include "mach0data.h" @@ -358,6 +375,7 @@ struct mem_block_info_struct { user data in the block */ ulint start; /* the value of the struct field 'free' at the creation of the block */ +#ifndef UNIV_HOTBACKUP void* free_block; /* if the MEM_HEAP_BTR_SEARCH bit is set in type, and this is the heap root, this can contain an @@ -368,6 +386,7 @@ struct mem_block_info_struct { /* if this block has been allocated from the buffer pool, this contains the buf_block_t handle; otherwise, this is NULL */ +#endif /* !UNIV_HOTBACKUP */ #ifdef MEM_PERIODIC_CHECK UT_LIST_NODE_T(mem_block_t) mem_block_list; /* List of all mem blocks allocated; protected diff --git a/include/mem0mem.ic b/include/mem0mem.ic index db067d6734c..3e3b3627127 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -1,14 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The memory management -(c) 1994, 1995 Innobase Oy - Created 6/8/1994 Heikki Tuuri *************************************************************************/ #include "mem0dbg.ic" - -#include "mem0pool.h" +#ifndef UNIV_HOTBACKUP +# include "mem0pool.h" +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Creates a memory heap block where data can be allocated. */ @@ -34,6 +51,7 @@ mem_heap_block_free( /*================*/ mem_heap_t* heap, /* in: heap */ mem_block_t* block); /* in: block to free */ +#ifndef UNIV_HOTBACKUP /********************************************************************** Frees the free_block field from a memory heap. */ UNIV_INTERN @@ -41,6 +59,7 @@ void mem_heap_free_block_free( /*=====================*/ mem_heap_t* heap); /* in: heap */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Adds a new block to a memory heap. */ UNIV_INTERN @@ -314,10 +333,11 @@ mem_heap_empty( mem_heap_t* heap) /* in: heap to empty */ { mem_heap_free_heap_top(heap, (byte*)heap + mem_block_get_start(heap)); - +#ifndef UNIV_HOTBACKUP if (heap->free_block) { mem_heap_free_block_free(heap); } +#endif /* !UNIV_HOTBACKUP */ } /********************************************************************* @@ -472,10 +492,11 @@ mem_heap_free_func( mem_hash_remove(heap, file_name, line); #endif - +#ifndef UNIV_HOTBACKUP if (heap->free_block) { mem_heap_free_block_free(heap); } +#endif /* !UNIV_HOTBACKUP */ while (block != NULL) { /* Store the contents of info before freeing current block @@ -574,10 +595,11 @@ mem_heap_get_size( size += mem_block_get_len(block); block = UT_LIST_GET_NEXT(list, block); } - +#ifndef UNIV_HOTBACKUP if (heap->free_block) { size += UNIV_PAGE_SIZE; } +#endif /* !UNIV_HOTBACKUP */ return(size); } diff --git a/include/mem0pool.h b/include/mem0pool.h index 55840042591..7e51b07bfe0 100644 --- a/include/mem0pool.h +++ b/include/mem0pool.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The lowest-level memory management -(c) 1994, 1995 Innobase Oy - Created 6/9/1994 Heikki Tuuri *******************************************************/ diff --git a/include/mem0pool.ic b/include/mem0pool.ic index 4e8c08733ed..4cc65e754ce 100644 --- a/include/mem0pool.ic +++ b/include/mem0pool.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The lowest-level memory management -(c) 1994, 1995 Innobase Oy - Created 6/8/1994 Heikki Tuuri *************************************************************************/ diff --git a/include/mtr0log.h b/include/mtr0log.h index 5acb82619ce..bc7bde3541f 100644 --- a/include/mtr0log.h +++ b/include/mtr0log.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction logging routines -(c) 1995 Innobase Oy - Created 12/7/1995 Heikki Tuuri *******************************************************/ @@ -13,6 +29,7 @@ Created 12/7/1995 Heikki Tuuri #include "mtr0mtr.h" #include "dict0types.h" +#ifndef UNIV_HOTBACKUP /************************************************************ Writes 1 - 4 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -148,6 +165,10 @@ mlog_write_initial_log_record_fast( byte* log_ptr,/* in: pointer to mtr log which has been opened */ mtr_t* mtr); /* in: mtr */ +#else /* !UNIV_HOTBACKUP */ +# define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) +# define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Parses an initial log record written by mlog_write_initial_log_record. */ UNIV_INTERN @@ -187,7 +208,7 @@ mlog_parse_string( byte* page, /* in: page where to apply the log record, or NULL */ void* page_zip);/* in/out: compressed page, or NULL */ - +#ifndef UNIV_HOTBACKUP /************************************************************ Opens a buffer for mlog, writes the initial log record and, if needed, the field lengths of an index. Reserves space @@ -205,6 +226,7 @@ mlog_open_and_write_index( byte type, /* in: log item type */ ulint size); /* in: requested buffer size in bytes (if 0, calls mlog_close() and returns NULL) */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Parses a log record written by mlog_open_and_write_index. */ @@ -220,9 +242,11 @@ mlog_parse_index( ibool comp, /* in: TRUE=compact record format */ dict_index_t** index); /* out, own: dummy index */ +#ifndef UNIV_HOTBACKUP /* Insert, update, and maybe other functions may use this value to define an extra mlog buffer size for variable size data */ #define MLOG_BUF_MARGIN 256 +#endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL #include "mtr0log.ic" diff --git a/include/mtr0log.ic b/include/mtr0log.ic index 20f10167630..ba0a03fbad0 100644 --- a/include/mtr0log.ic +++ b/include/mtr0log.ic @@ -1,11 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction logging routines -(c) 1995 Innobase Oy - Created 12/7/1995 Heikki Tuuri *******************************************************/ +#ifndef UNIV_HOTBACKUP #include "mach0data.h" #include "ut0lst.h" #include "buf0buf.h" @@ -229,3 +246,4 @@ mlog_write_initial_log_record_for_file_op( return(log_ptr); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 321164495b9..c92a89a3d83 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction buffer -(c) 1995 Innobase Oy - Created 11/26/1995 Heikki Tuuri *******************************************************/ @@ -179,6 +195,7 @@ mtr_rollback_to_savepoint( /*======================*/ mtr_t* mtr, /* in: mtr */ ulint savepoint); /* in: savepoint */ +#ifndef UNIV_HOTBACKUP /************************************************************** Releases the (index tree) s-latch stored in an mtr memo after a savepoint. */ @@ -189,6 +206,9 @@ mtr_release_s_latch_at_savepoint( mtr_t* mtr, /* in: mtr */ ulint savepoint, /* in: savepoint */ rw_lock_t* lock); /* in: latch to release */ +#else /* !UNIV_HOTBACKUP */ +# define mtr_release_s_latch_at_savepoint(mtr,savepoint,lock) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Gets the logging mode of a mini-transaction. */ UNIV_INLINE @@ -225,6 +245,7 @@ mtr_read_dulint( /* out: value read */ const byte* ptr, /* in: pointer from where to read */ mtr_t* mtr); /* in: mini-transaction handle */ +#ifndef UNIV_HOTBACKUP /************************************************************************* This macro locks an rw-lock in s-mode. */ #define mtr_s_lock(B, MTR) mtr_s_lock_func((B), __FILE__, __LINE__,\ @@ -255,6 +276,7 @@ mtr_x_lock_func( const char* file, /* in: file name */ ulint line, /* in: line number */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************* Releases an object in the memo stack. */ @@ -266,6 +288,7 @@ mtr_memo_release( void* object, /* in: object */ ulint type); /* in: object type: MTR_MEMO_S_LOCK, ... */ #ifdef UNIV_DEBUG +# ifndef UNIV_HOTBACKUP /************************************************************** Checks if memo contains the given item. */ UNIV_INLINE @@ -294,6 +317,10 @@ void mtr_print( /*======*/ mtr_t* mtr); /* in: mtr */ +# else /* !UNIV_HOTBACKUP */ +# define mtr_memo_contains(mtr, object, type) TRUE +# define mtr_memo_contains_page(mtr, ptr, type) TRUE +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG */ /*######################################################################*/ diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index f6460ededc1..da11e01163f 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -1,13 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction buffer -(c) 1995 Innobase Oy - Created 11/26/1995 Heikki Tuuri *******************************************************/ -#include "sync0sync.h" -#include "sync0rw.h" +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +# include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ #include "mach0data.h" /******************************************************************* @@ -80,6 +98,7 @@ mtr_set_savepoint( return(dyn_array_get_data_size(memo)); } +#ifndef UNIV_HOTBACKUP /************************************************************** Releases the (index tree) s-latch stored in an mtr memo after a savepoint. */ @@ -112,7 +131,7 @@ mtr_release_s_latch_at_savepoint( slot->object = NULL; } -#ifdef UNIV_DEBUG +# ifdef UNIV_DEBUG /************************************************************** Checks if memo contains the given item. */ UNIV_INLINE @@ -148,7 +167,8 @@ mtr_memo_contains( return(FALSE); } -#endif /* UNIV_DEBUG */ +# endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Returns the log object of a mini-transaction buffer. */ @@ -211,6 +231,7 @@ mtr_set_log_mode( return(old_mode); } +#ifndef UNIV_HOTBACKUP /************************************************************************* Locks a lock in s-mode. */ UNIV_INLINE @@ -248,3 +269,4 @@ mtr_x_lock_func( mtr_memo_push(mtr, lock, MTR_MEMO_X_LOCK); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/mtr0types.h b/include/mtr0types.h index e3b6ec9a84f..23634c98827 100644 --- a/include/mtr0types.h +++ b/include/mtr0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction buffer global types -(c) 1995 Innobase Oy - Created 11/26/1995 Heikki Tuuri *******************************************************/ diff --git a/include/mysql_addons.h b/include/mysql_addons.h index 550e297cd6f..2e8c87f5962 100644 --- a/include/mysql_addons.h +++ b/include/mysql_addons.h @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** This file contains functions that need to be added to MySQL code but have not been added yet. @@ -10,7 +28,5 @@ function in this file. When MySQL commits the function it can be deleted from here. In a perfect world this file exists but is empty. -(c) 2007 Innobase Oy - Created November 07, 2007 Vasil Dimov *******************************************************/ diff --git a/include/os0file.h b/include/os0file.h index 339945752df..6623c58e9fe 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system file io -(c) 1995 Innobase Oy - Created 10/21/1995 Heikki Tuuri *******************************************************/ @@ -174,6 +190,7 @@ ulint os_get_os_version(void); /*===================*/ /* out: OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ +#ifndef UNIV_HOTBACKUP /******************************************************************** Creates the seek mutexes used in positioned reads and writes. */ UNIV_INTERN @@ -190,6 +207,7 @@ FILE* os_file_create_tmpfile(void); /*========================*/ /* out: temporary file handle, or NULL on error */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** The os_file_opendir() function opens a directory stream corresponding to the directory named by the dirname argument. The directory stream is positioned diff --git a/include/os0proc.h b/include/os0proc.h index e6586801e61..19b0b112638 100644 --- a/include/os0proc.h +++ b/include/os0proc.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system process control primitives -(c) 1995 Innobase Oy - Created 9/30/1995 Heikki Tuuri *******************************************************/ @@ -34,14 +50,6 @@ ulint os_proc_get_number(void); /*====================*/ /******************************************************************** -Allocates non-cacheable memory. */ -UNIV_INTERN -void* -os_mem_alloc_nocache( -/*=================*/ - /* out: allocated memory */ - ulint n); /* in: number of bytes */ -/******************************************************************** Allocates large pages memory. */ UNIV_INTERN void* diff --git a/include/os0proc.ic b/include/os0proc.ic index 651ba1f17e3..9f1fb01866d 100644 --- a/include/os0proc.ic +++ b/include/os0proc.ic @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system process control primitives -(c) 1995 Innobase Oy - Created 9/30/1995 Heikki Tuuri *******************************************************/ diff --git a/include/os0sync.h b/include/os0sync.h index 67d1d7a05f7..7e058266762 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -1,43 +1,35 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system synchronization primitives. -(c) 1995 Innobase Oy - Created 9/6/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ + #ifndef os0sync_h #define os0sync_h @@ -295,24 +287,18 @@ os_fast_mutex_free( #ifdef HAVE_GCC_ATOMIC_BUILTINS /************************************************************** -Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ -UNIV_INLINE -ibool -os_compare_and_swap( -/*================*/ - /* out: true if swapped */ - volatile lint* ptr, /* in: pointer to target */ - lint oldVal, /* in: value to compare to */ - lint newVal); /* in: value to swap in */ +Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ +#define os_compare_and_swap(ptr, old_val, new_val) \ + __sync_bool_compare_and_swap(ptr, old_val, new_val) + /************************************************************** -Atomic increment for InnoDB. Currently requires GCC atomic builtins. */ -UNIV_INLINE -lint -os_atomic_increment( -/*================*/ - /* out: resulting value */ - volatile lint* ptr, /* in: pointer to target */ - lint amount); /* in: amount of increment */ +Atomic increment for InnoDB. Currently requires GCC atomic builtins. +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ +#define os_atomic_increment(ptr, amount) \ + __sync_add_and_fetch(ptr, amount) #endif /* HAVE_GCC_ATOMIC_BUILTINS */ diff --git a/include/os0sync.ic b/include/os0sync.ic index 16a03f376ad..5c03d184c7c 100644 --- a/include/os0sync.ic +++ b/include/os0sync.ic @@ -1,42 +1,26 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system synchronization primitives. -(c) 1995 Innobase Oy - Created 9/6/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #ifdef __WIN__ #include @@ -76,38 +60,3 @@ os_fast_mutex_trylock( #endif #endif } - -#ifdef HAVE_GCC_ATOMIC_BUILTINS -/************************************************************** -Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. */ -UNIV_INLINE -ibool -os_compare_and_swap( -/*================*/ - /* out: true if swapped */ - volatile lint* ptr, /* in: pointer to target */ - lint oldVal, /* in: value to compare to */ - lint newVal) /* in: value to swap in */ -{ - if(__sync_bool_compare_and_swap(ptr, oldVal, newVal)) { - return(TRUE); - } - - return(FALSE); -} - -/************************************************************** -Atomic increment for InnoDB. Currently requires GCC atomic builtins. */ -UNIV_INLINE -lint -os_atomic_increment( -/*================*/ - /* out: resulting value */ - volatile lint* ptr, /* in: pointer to target */ - lint amount) /* in: amount of increment */ -{ - lint newVal = __sync_add_and_fetch(ptr, amount); - return newVal; -} - -#endif /* HAVE_GCC_ATOMIC_BUILTINS */ diff --git a/include/os0thread.h b/include/os0thread.h index 2ed9fd975d7..863596bfa84 100644 --- a/include/os0thread.h +++ b/include/os0thread.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system process and thread control primitives -(c) 1995 Innobase Oy - Created 9/8/1995 Heikki Tuuri *******************************************************/ diff --git a/include/os0thread.ic b/include/os0thread.ic index a75aa3abb34..a86b203809c 100644 --- a/include/os0thread.ic +++ b/include/os0thread.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system process and thread control primitives -(c) 1995 Innobase Oy - Created 9/8/1995 Heikki Tuuri *******************************************************/ diff --git a/include/page0cur.h b/include/page0cur.h index e9ec55381d8..335a03336f8 100644 --- a/include/page0cur.h +++ b/include/page0cur.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The page cursor -(c) 1994-1996 Innobase Oy - Created 10/4/1994 Heikki Tuuri *************************************************************************/ @@ -139,6 +155,7 @@ void page_cur_move_to_prev( /*==================*/ page_cur_t* cur); /* in/out: cursor; not before first */ +#ifndef UNIV_HOTBACKUP /*************************************************************** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at @@ -155,6 +172,7 @@ page_cur_tuple_insert( dict_index_t* index, /* in: record descriptor */ ulint n_ext, /* in: number of externally stored columns */ mtr_t* mtr); /* in: mini-transaction handle, or NULL */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at @@ -227,6 +245,7 @@ page_cur_delete_rec( dict_index_t* index, /* in: record descriptor */ const ulint* offsets,/* in: rec_get_offsets(cursor->rec, index) */ mtr_t* mtr); /* in: mini-transaction handle */ +#ifndef UNIV_HOTBACKUP /******************************************************************** Searches the right position for a page cursor. */ UNIV_INLINE @@ -278,6 +297,7 @@ page_cur_open_on_rnd_user_rec( /*==========================*/ buf_block_t* block, /* in: page */ page_cur_t* cursor);/* out: page cursor */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a log record of a record insert on a page. */ UNIV_INTERN diff --git a/include/page0cur.ic b/include/page0cur.ic index 2a8ef824149..8190fb41f53 100644 --- a/include/page0cur.ic +++ b/include/page0cur.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The page cursor -(c) 1994-1996 Innobase Oy - Created 10/4/1994 Heikki Tuuri *************************************************************************/ @@ -181,6 +197,7 @@ page_cur_move_to_prev( cur->rec = page_rec_get_prev(cur->rec); } +#ifndef UNIV_HOTBACKUP /******************************************************************** Searches the right position for a page cursor. */ UNIV_INLINE @@ -255,6 +272,7 @@ page_cur_tuple_insert( mem_heap_free(heap); return(rec); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Inserts a record next to page cursor. Returns pointer to inserted record if @@ -281,4 +299,3 @@ page_cur_rec_insert( index, rec, offsets, mtr)); } } - diff --git a/include/page0page.h b/include/page0page.h index dceba8b7714..8a6844a0d47 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Index page routines -(c) 1994-1996 Innobase Oy - Created 2/2/1994 Heikki Tuuri *******************************************************/ @@ -232,6 +248,7 @@ page_header_set_ptr( uncompressed part will be updated, or NULL */ ulint field, /* in/out: PAGE_FREE, ... */ const byte* ptr); /* in: pointer or NULL*/ +#ifndef UNIV_HOTBACKUP /***************************************************************** Resets the last insert info field in the page header. Writes to mlog about this operation. */ @@ -243,6 +260,7 @@ page_header_reset_last_insert( page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed part will be updated, or NULL */ mtr_t* mtr); /* in: mtr */ +#endif /* !UNIV_HOTBACKUP */ /**************************************************************** Gets the offset of the first record on the page. */ UNIV_INLINE @@ -272,6 +290,7 @@ page_get_middle_rec( /*================*/ /* out: middle record */ page_t* page); /* in: page */ +#ifndef UNIV_HOTBACKUP /***************************************************************** Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an @@ -298,6 +317,7 @@ page_cmp_dtuple_rec_with_match( bytes within the first field not completely matched; when function returns contains the value for current comparison */ +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Gets the page number. */ UNIV_INLINE diff --git a/include/page0page.ic b/include/page0page.ic index fae11b6cda3..133861e9d69 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -1,13 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Index page routines -(c) 1994-1996 Innobase Oy - Created 2/2/1994 Heikki Tuuri *******************************************************/ #include "mach0data.h" -#include "rem0cmp.h" +#ifndef UNIV_HOTBACKUP +# include "rem0cmp.h" +#endif /* !UNIV_HOTBACKUP */ #include "mtr0log.h" #include "page0zip.h" @@ -166,6 +184,7 @@ page_header_set_ptr( page_header_set_field(page, page_zip, field, offs); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Resets the last insert info field in the page header. Writes to mlog about this operation. */ @@ -190,6 +209,7 @@ page_header_reset_last_insert( MLOG_2BYTES, mtr); } } +#endif /* !UNIV_HOTBACKUP */ /**************************************************************** Determine whether the page is in new-style compact format. */ @@ -389,6 +409,7 @@ page_rec_is_infimum( return(page_rec_is_infimum_low(page_offset(rec))); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an @@ -437,6 +458,7 @@ page_cmp_dtuple_rec_with_match( matched_fields, matched_bytes)); } +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Gets the page number. */ diff --git a/include/page0types.h b/include/page0types.h index e2edbcddef2..06af7a63d58 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Index page routines -(c) 1994-1996 Innobase Oy - Created 2/2/1994 Heikki Tuuri *******************************************************/ diff --git a/include/page0zip.h b/include/page0zip.h index 6795dd3e148..f25a20fe678 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Compressed page interface -(c) 2005 Innobase Oy - Created June 2005 by Marko Makela *******************************************************/ @@ -38,6 +54,7 @@ page_zip_set_size( page_zip_des_t* page_zip, /* in/out: compressed page */ ulint size); /* in: size in bytes */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Determine if a record is so big that it needs to be stored externally. */ UNIV_INLINE @@ -63,6 +80,7 @@ page_zip_empty_size( ulint n_fields, /* in: number of columns in the index */ ulint zip_size) /* in: compressed page size in bytes */ __attribute__((const)); +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Initialize a compressed page descriptor. */ @@ -384,6 +402,7 @@ page_zip_reorganize( dict_index_t* index, /* in: index of the B-tree node */ mtr_t* mtr) /* in: mini-transaction */ __attribute__((nonnull)); +#ifndef UNIV_HOTBACKUP /************************************************************************** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly @@ -402,6 +421,7 @@ page_zip_copy_recs( dict_index_t* index, /* in: index of the B-tree */ mtr_t* mtr) /* in: mini-transaction */ __attribute__((nonnull(1,2,3,4))); +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Parses a log record of compressing an index page. */ @@ -427,6 +447,14 @@ page_zip_calc_checksum( ulint size) /* in: size of compressed page */ __attribute__((nonnull)); +#ifndef UNIV_HOTBACKUP +# define PAGE_ZIP_MATCH(ptr, page_zip) \ + (buf_frame_get_page_zip(ptr) == (page_zip)) +#else /* !UNIV_HOTBACKUP */ +# define PAGE_ZIP_MATCH(ptr, page_zip) \ + (page_align(ptr) + UNIV_PAGE_SIZE == (page_zip)->data) +#endif /* !UNIV_HOTBACKUP */ + #ifdef UNIV_MATERIALIZE # undef UNIV_INLINE # define UNIV_INLINE UNIV_INLINE_ORIGINAL diff --git a/include/page0zip.ic b/include/page0zip.ic index ece24941f75..d9f36251c0a 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Compressed page interface -(c) 2005 Innobase Oy - Created June 2005 by Marko Makela *******************************************************/ @@ -128,7 +144,8 @@ page_zip_set_size( ut_ad(ut_is_2pow(size)); - for (ssize = 1; size > (ulint) (512 << ssize); ssize++); + for (ssize = 1; size > (ulint) (512 << ssize); ssize++) { + } page_zip->ssize = ssize; } else { @@ -138,6 +155,7 @@ page_zip_set_size( ut_ad(page_zip_get_size(page_zip) == size); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Determine if a record is so big that it needs to be stored externally. */ UNIV_INLINE @@ -177,6 +195,7 @@ page_zip_rec_needs_ext( return(rec_size >= page_get_free_space_of_empty(comp) / 2); } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************** @@ -357,7 +376,7 @@ page_zip_write_header( { ulint pos; - ut_ad(buf_frame_get_page_zip(str) == page_zip); + ut_ad(PAGE_ZIP_MATCH(str, page_zip)); ut_ad(page_zip_simple_validate(page_zip)); UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); @@ -371,7 +390,9 @@ page_zip_write_header( /* ut_ad(page_zip_validate(page_zip, str - pos)); */ if (UNIV_LIKELY_NULL(mtr)) { +#ifndef UNIV_HOTBACKUP page_zip_write_header_log(str, length, mtr); +#endif /* !UNIV_HOTBACKUP */ } } diff --git a/include/pars0grm.h b/include/pars0grm.h index 0062b8314ee..3de233eed3a 100644 --- a/include/pars0grm.h +++ b/include/pars0grm.h @@ -1,28 +1,30 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software +Foundation, Inc. + +As a special exception, when this file is copied by Bison into a +Bison output file, you may use that output file without restriction. +This special exception was added by the Free Software Foundation +in version 1.24 of Bison. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /* A Bison parser, made by GNU Bison 1.875d. */ -/* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ - /* Tokens. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE diff --git a/include/pars0opt.h b/include/pars0opt.h index 1b407812b34..02524e9d893 100644 --- a/include/pars0opt.h +++ b/include/pars0opt.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Simple SQL optimizer -(c) 1997 Innobase Oy - Created 12/21/1997 Heikki Tuuri *******************************************************/ diff --git a/include/pars0opt.ic b/include/pars0opt.ic index 0bfa8526bee..35653453b30 100644 --- a/include/pars0opt.ic +++ b/include/pars0opt.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Simple SQL optimizer -(c) 1997 Innobase Oy - Created 12/21/1997 Heikki Tuuri *******************************************************/ diff --git a/include/pars0pars.h b/include/pars0pars.h index f1847d421d0..e5693ee5575 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser -(c) 1996 Innobase Oy - Created 11/19/1996 Heikki Tuuri *******************************************************/ diff --git a/include/pars0pars.ic b/include/pars0pars.ic index 155b6659ace..3a55ad86f48 100644 --- a/include/pars0pars.ic +++ b/include/pars0pars.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser -(c) 1996 Innobase Oy - Created 11/19/1996 Heikki Tuuri *******************************************************/ diff --git a/include/pars0sym.h b/include/pars0sym.h index 5078db20eca..69227a2917e 100644 --- a/include/pars0sym.h +++ b/include/pars0sym.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser symbol table -(c) 1997 Innobase Oy - Created 12/15/1997 Heikki Tuuri *******************************************************/ diff --git a/include/pars0sym.ic b/include/pars0sym.ic index 9508d423769..235d6819ae9 100644 --- a/include/pars0sym.ic +++ b/include/pars0sym.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser symbol table -(c) 1997 Innobase Oy - Created 12/15/1997 Heikki Tuuri *******************************************************/ diff --git a/include/pars0types.h b/include/pars0types.h index bf7df89a883..e0902d0611a 100644 --- a/include/pars0types.h +++ b/include/pars0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser global types -(c) 1997 Innobase Oy - Created 1/11/1998 Heikki Tuuri *******************************************************/ diff --git a/include/que0que.h b/include/que0que.h index c2fc2477864..a534cb7e464 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Query graph -(c) 1996 Innobase Oy - Created 5/27/1996 Heikki Tuuri *******************************************************/ diff --git a/include/que0que.ic b/include/que0que.ic index c588cc92d19..e9a6b00b9ab 100644 --- a/include/que0que.ic +++ b/include/que0que.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Query graph -(c) 1996 Innobase Oy - Created 5/27/1996 Heikki Tuuri *******************************************************/ diff --git a/include/que0types.h b/include/que0types.h index 30e3f0a172b..1d3217fb491 100644 --- a/include/que0types.h +++ b/include/que0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Query graph global types -(c) 1996 Innobase Oy - Created 5/27/1996 Heikki Tuuri *******************************************************/ diff --git a/include/read0read.h b/include/read0read.h index ef4216b1db1..7ea8bdaf8dd 100644 --- a/include/read0read.h +++ b/include/read0read.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Cursor read -(c) 1997 Innobase Oy - Created 2/16/1997 Heikki Tuuri *******************************************************/ diff --git a/include/read0read.ic b/include/read0read.ic index 3aded1ca07c..9fc6af04e88 100644 --- a/include/read0read.ic +++ b/include/read0read.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Cursor read -(c) 1997 Innobase Oy - Created 2/16/1997 Heikki Tuuri *******************************************************/ diff --git a/include/read0types.h b/include/read0types.h index 7d42728523e..44849cbb498 100644 --- a/include/read0types.h +++ b/include/read0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Cursor read -(c) 1997 Innobase Oy - Created 2/16/1997 Heikki Tuuri *******************************************************/ diff --git a/include/rem0cmp.h b/include/rem0cmp.h index 0423351a22c..f32bae73a13 100644 --- a/include/rem0cmp.h +++ b/include/rem0cmp.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** Comparison services for records -(c) 1994-2001 Innobase Oy - Created 7/1/1994 Heikki Tuuri ************************************************************************/ diff --git a/include/rem0cmp.ic b/include/rem0cmp.ic index 40cd64d5052..6c58d9e5a25 100644 --- a/include/rem0cmp.ic +++ b/include/rem0cmp.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** Comparison services for records -(c) 1994-1996 Innobase Oy - Created 7/1/1994 Heikki Tuuri ************************************************************************/ diff --git a/include/rem0rec.h b/include/rem0rec.h index 0748cad6bfa..8e3176d36db 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Record manager -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ @@ -615,6 +631,7 @@ rec_copy( void* buf, /* in: buffer */ const rec_t* rec, /* in: physical record */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ +#ifndef UNIV_HOTBACKUP /****************************************************************** Copies the first n fields of a physical record to a new physical record in a buffer. */ @@ -647,6 +664,7 @@ rec_fold( in an incomplete last field */ dulint tree_id) /* in: index tree id */ __attribute__((pure)); +#endif /* !UNIV_HOTBACKUP */ /************************************************************* Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ UNIV_INTERN @@ -729,6 +747,7 @@ rec_get_converted_size( dict_index_t* index, /* in: record descriptor */ const dtuple_t* dtuple, /* in: data tuple */ ulint n_ext); /* in: number of externally stored columns */ +#ifndef UNIV_HOTBACKUP /****************************************************************** Copies the first n fields of a physical record to a data tuple. The fields are copied to the memory heap. */ @@ -742,6 +761,7 @@ rec_copy_prefix_to_dtuple( ulint n_fields, /* in: number of fields to copy */ mem_heap_t* heap); /* in: memory heap */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Validates the consistency of a physical record. */ UNIV_INTERN @@ -759,6 +779,7 @@ rec_print_old( /*==========*/ FILE* file, /* in: file where to print */ const rec_t* rec); /* in: physical record */ +#ifndef UNIV_HOTBACKUP /******************************************************************* Prints a physical record in ROW_FORMAT=COMPACT. Ignores the record header. */ @@ -787,6 +808,7 @@ rec_print( FILE* file, /* in: file where to print */ const rec_t* rec, /* in: physical record */ dict_index_t* index); /* in: record descriptor */ +#endif /* UNIV_HOTBACKUP */ #define REC_INFO_BITS 6 /* This is single byte bit-field */ diff --git a/include/rem0rec.ic b/include/rem0rec.ic index 6de04833e71..bbfb4dc4385 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Record manager -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ @@ -1569,6 +1585,7 @@ rec_get_converted_size( return(data_size + extra_size); } +#ifndef UNIV_HOTBACKUP /**************************************************************** Folds a prefix of a physical record to a ulint. Folds only existing fields, that is, checks that we do not run out of the record. */ @@ -1634,3 +1651,4 @@ rec_fold( return(fold); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/rem0types.h b/include/rem0types.h index df7c3e9bf92..d0b11b92495 100644 --- a/include/rem0types.h +++ b/include/rem0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Record manager global types -(c) 1994-1996 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ diff --git a/include/row0ext.h b/include/row0ext.h index ba45c295ef4..08ebafa4d98 100644 --- a/include/row0ext.h +++ b/include/row0ext.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Caching of externally stored column prefixes -(c) 2006 Innobase Oy - Created September 2006 Marko Makela *******************************************************/ diff --git a/include/row0ext.ic b/include/row0ext.ic index 7ec2a1cda04..e56fc175764 100644 --- a/include/row0ext.ic +++ b/include/row0ext.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Caching of externally stored column prefixes -(c) 2006 Innobase Oy - Created September 2006 Marko Makela *******************************************************/ diff --git a/include/row0ins.h b/include/row0ins.h index 35aa434d47f..6aa83bed0f6 100644 --- a/include/row0ins.h +++ b/include/row0ins.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert into a table -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/include/row0ins.ic b/include/row0ins.ic index 80a232d41ee..b7aeaf97834 100644 --- a/include/row0ins.ic +++ b/include/row0ins.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert into a table -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/include/row0merge.h b/include/row0merge.h index 9784e1b99ac..9975497cbeb 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Index build routines using a merge sort -(c) 2005 Innobase Oy - Created 13/06/2005 Jan Lindstrom *******************************************************/ diff --git a/include/row0mysql.h b/include/row0mysql.h index b5db338fcc4..8e42c316209 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Interface between Innobase row operations and MySQL. Contains also create table and other data dictionary operations. -(c) 2000 Innobase Oy - Created 9/17/2000 Heikki Tuuri *******************************************************/ @@ -679,6 +695,21 @@ struct row_prebuilt_struct { This eliminates lock waits in some cases; note that this breaks serializability. */ + ulint new_rec_locks; /* normally 0; if + srv_locks_unsafe_for_binlog is + TRUE or session is using READ + COMMITTED isolation level, in a + cursor search, if we set a new + record lock on an index, this is + incremented; this is used in + releasing the locks under the + cursors if we are performing an + UPDATE and we determine after + retrieving the row that it does + not need to be locked; thus, + these can be used to implement a + 'mini-rollback' that releases + the latest record locks */ ulint mysql_prefix_len;/* byte offset of the end of the last requested column */ ulint mysql_row_len; /* length in bytes of a row in the diff --git a/include/row0mysql.ic b/include/row0mysql.ic index aa8a70d8761..5260ae17924 100644 --- a/include/row0mysql.ic +++ b/include/row0mysql.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 2001, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** MySQL interface for Innobase -(C) 2001 Innobase Oy - Created 1/23/2001 Heikki Tuuri *******************************************************/ diff --git a/include/row0purge.h b/include/row0purge.h index 70509e71462..f848e049ff4 100644 --- a/include/row0purge.h +++ b/include/row0purge.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge obsolete records -(c) 1997 Innobase Oy - Created 3/14/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0purge.ic b/include/row0purge.ic index 50aabf0bc1b..5fc665e9d20 100644 --- a/include/row0purge.ic +++ b/include/row0purge.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge obsolete records -(c) 1997 Innobase Oy - Created 3/14/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0row.h b/include/row0row.h index f98e5b71a2f..78da5da6c8f 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** General row routines -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/include/row0row.ic b/include/row0row.ic index ff902286ca5..9947dd43257 100644 --- a/include/row0row.ic +++ b/include/row0row.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** General row routines -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/include/row0sel.h b/include/row0sel.h index e20a4766323..2f8574d0691 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Select -(c) 1997 Innobase Oy - Created 12/19/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0sel.ic b/include/row0sel.ic index a0a06e2d32b..a21181e3237 100644 --- a/include/row0sel.ic +++ b/include/row0sel.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Select -(c) 1997 Innobase Oy - Created 12/19/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0types.h b/include/row0types.h index b06eeed9d39..f0af7c2bf53 100644 --- a/include/row0types.h +++ b/include/row0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row operation global types -(c) 1996 Innobase Oy - Created 12/27/1996 Heikki Tuuri *******************************************************/ diff --git a/include/row0uins.h b/include/row0uins.h index 91052505aad..16bbbbd0d12 100644 --- a/include/row0uins.h +++ b/include/row0uins.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Fresh insert undo -(c) 1996 Innobase Oy - Created 2/25/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0uins.ic b/include/row0uins.ic index 2b3d5a10f95..75bef8431eb 100644 --- a/include/row0uins.ic +++ b/include/row0uins.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Fresh insert undo -(c) 1996 Innobase Oy - Created 2/25/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0umod.h b/include/row0umod.h index 8485962e63b..3a4e8c2f9a3 100644 --- a/include/row0umod.h +++ b/include/row0umod.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Undo modify of a row -(c) 1997 Innobase Oy - Created 2/27/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0umod.ic b/include/row0umod.ic index fcbf4dbc1f3..7ac7bc2fea7 100644 --- a/include/row0umod.ic +++ b/include/row0umod.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Undo modify of a row -(c) 1997 Innobase Oy - Created 2/27/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0undo.h b/include/row0undo.h index d4c741c882b..a17cfb1babd 100644 --- a/include/row0undo.h +++ b/include/row0undo.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row undo -(c) 1997 Innobase Oy - Created 1/8/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0undo.ic b/include/row0undo.ic index e7f89c7de67..921e3633b10 100644 --- a/include/row0undo.ic +++ b/include/row0undo.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row undo -(c) 1997 Innobase Oy - Created 1/8/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0upd.h b/include/row0upd.h index 51d3c5b110f..9bc18c2a17d 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Update of a row -(c) 1996 Innobase Oy - Created 12/27/1996 Heikki Tuuri *******************************************************/ @@ -11,13 +27,16 @@ Created 12/27/1996 Heikki Tuuri #include "univ.i" #include "data0data.h" +#include "row0types.h" #include "btr0types.h" -#include "btr0pcur.h" #include "dict0types.h" #include "trx0types.h" -#include "que0types.h" -#include "row0types.h" -#include "pars0types.h" + +#ifndef UNIV_HOTBACKUP +# include "btr0pcur.h" +# include "que0types.h" +# include "pars0types.h" +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Creates an update vector object. */ @@ -50,6 +69,7 @@ upd_get_nth_field( #else # define upd_get_nth_field(update, n) ((update)->fields + (n)) #endif +#ifndef UNIV_HOTBACKUP /************************************************************************* Sets an index field number to be updated by an update vector field. */ UNIV_INLINE @@ -145,6 +165,7 @@ row_upd_changes_field_size_or_external( dict_index_t* index, /* in: index */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ const upd_t* update);/* in: update vector */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Replaces the new column values stored in the update vector to the record given. No field size changes are allowed. */ @@ -158,6 +179,7 @@ row_upd_rec_in_place( const upd_t* update, /* in: update vector */ page_zip_des_t* page_zip);/* in: compressed page with enough space available, or NULL */ +#ifndef UNIV_HOTBACKUP /******************************************************************* Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare @@ -291,6 +313,7 @@ row_upd_step( /*=========*/ /* out: query thread to run next or NULL */ que_thr_t* thr); /* in: query thread */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Parses the log data of system field values. */ UNIV_INTERN @@ -337,6 +360,7 @@ struct upd_field_struct{ a secondary index record in btr0cur.c this is the position in the secondary index */ +#ifndef UNIV_HOTBACKUP unsigned orig_len:16; /* original length of the locally stored part of an externally stored column, or 0 */ @@ -344,6 +368,7 @@ struct upd_field_struct{ value: it refers to column values and constants in the symbol table of the query graph */ +#endif /* !UNIV_HOTBACKUP */ dfield_t new_val; /* new value for the column */ }; @@ -355,6 +380,7 @@ struct upd_struct{ upd_field_t* fields; /* array of update fields */ }; +#ifndef UNIV_HOTBACKUP /* Update node structure which also implements the delete operation of a row */ @@ -452,6 +478,8 @@ struct upd_node_struct{ #define UPD_NODE_NO_SIZE_CHANGE 2 /* no record field size will be changed in the update */ +#endif /* !UNIV_HOTBACKUP */ + #ifndef UNIV_NONINL #include "row0upd.ic" #endif diff --git a/include/row0upd.ic b/include/row0upd.ic index 5057a093ce5..10c8077af8a 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -1,16 +1,34 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Update of a row -(c) 1996 Innobase Oy - Created 12/27/1996 Heikki Tuuri *******************************************************/ #include "mtr0log.h" -#include "trx0trx.h" -#include "trx0undo.h" -#include "row0row.h" -#include "btr0sea.h" +#ifndef UNIV_HOTBACKUP +# include "trx0trx.h" +# include "trx0undo.h" +# include "row0row.h" +# include "btr0sea.h" +#endif /* !UNIV_HOTBACKUP */ #include "page0zip.h" /************************************************************************* @@ -68,6 +86,7 @@ upd_get_nth_field( } #endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP /************************************************************************* Sets an index field number to be updated by an update vector field. */ UNIV_INLINE @@ -161,3 +180,4 @@ row_upd_rec_sys_fields( trx_write_roll_ptr(rec + offset + DATA_TRX_ID_LEN, roll_ptr); } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/row0vers.h b/include/row0vers.h index 9c278b0d99a..0feae77e8b5 100644 --- a/include/row0vers.h +++ b/include/row0vers.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row versions -(c) 1997 Innobase Oy - Created 2/6/1997 Heikki Tuuri *******************************************************/ diff --git a/include/row0vers.ic b/include/row0vers.ic index ab1e264635b..aac95ea6593 100644 --- a/include/row0vers.ic +++ b/include/row0vers.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row versions -(c) 1997 Innobase Oy - Created 2/6/1997 Heikki Tuuri *******************************************************/ diff --git a/include/srv0que.h b/include/srv0que.h index 86aa48ff1d7..88db1a013f6 100644 --- a/include/srv0que.h +++ b/include/srv0que.h @@ -1,12 +1,27 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Server query execution -(c) 1996 Innobase Oy - Created 6/5/1996 Heikki Tuuri *******************************************************/ - #ifndef srv0que_h #define srv0que_h diff --git a/include/srv0srv.h b/include/srv0srv.h index 143d0b405f7..f7cafb9ba4d 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -1,47 +1,39 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The server main program -(c) 1995 Innobase Oy - Created 10/10/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #ifndef srv0srv_h #define srv0srv_h #include "univ.i" +#ifndef UNIV_HOTBACKUP #include "sync0sync.h" #include "os0sync.h" #include "que0types.h" @@ -98,6 +90,7 @@ extern ulint srv_check_file_format_at_startup; /* Place locks to records only i.e. do not use next-key locking except on duplicate key checking and foreign key checking */ extern ibool srv_locks_unsafe_for_binlog; +#endif /* !UNIV_HOTBACKUP */ /* If this flag is TRUE, then we will use the native aio of the OS (provided we compiled Innobase with it in), otherwise we will @@ -111,15 +104,12 @@ extern ulint* srv_data_file_is_raw_partition; extern ibool srv_auto_extend_last_data_file; extern ulint srv_last_file_size_max; +extern char** srv_log_group_home_dirs; +#ifndef UNIV_HOTBACKUP extern ulong srv_auto_extend_increment; extern ibool srv_created_new_raw; -#define SRV_NEW_RAW 1 -#define SRV_OLD_RAW 2 - -extern char** srv_log_group_home_dirs; - extern ulint srv_n_log_groups; extern ulint srv_n_log_files; extern ulint srv_log_file_size; @@ -298,6 +288,10 @@ typedef struct srv_sys_struct srv_sys_t; /* The server system */ extern srv_sys_t* srv_sys; +#endif /* !UNIV_HOTBACKUP */ + +#define SRV_NEW_RAW 1 +#define SRV_OLD_RAW 2 /* Alternatives for the file flush option in Unix; see the InnoDB manual about what these mean */ @@ -333,7 +327,7 @@ of lower numbers are included. */ as committed */ #define SRV_FORCE_NO_LOG_REDO 6 /* do not do the log roll-forward in connection with recovery */ - +#ifndef UNIV_HOTBACKUP /** Types of threads existing in the system. */ enum srv_thread_type { SRV_COM = 1, /**< threads serving communication and queries */ @@ -592,12 +586,20 @@ struct srv_sys_struct{ srv_table_t* threads; /* server thread table */ UT_LIST_BASE_NODE_T(que_thr_t) tasks; /* task queue */ - dict_index_t* dummy_ind1; /* dummy index for old-style - supremum and infimum records */ - dict_index_t* dummy_ind2; /* dummy index for new-style - supremum and infimum records */ }; extern ulint srv_n_threads_active[]; +#else /* !UNIV_HOTBACKUP */ +# define srv_use_adaptive_hash_indexes FALSE +# define srv_use_checksums TRUE +# define srv_use_native_aio FALSE +# define srv_force_recovery 0UL +# define srv_set_io_thread_op_info(t,info) ((void) 0) +# define srv_is_being_started 0 +# define srv_win_file_flush_method SRV_WIN_IO_UNBUFFERED +# define srv_unix_file_flush_method SRV_UNIX_O_DSYNC +# define srv_start_raw_disk_in_use 0 +# define srv_file_per_table 1 +#endif /* !UNIV_HOTBACKUP */ #endif diff --git a/include/srv0srv.ic b/include/srv0srv.ic index 73e0729660f..93d675f1dca 100644 --- a/include/srv0srv.ic +++ b/include/srv0srv.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Server main program -(c) 1995 Innobase Oy - Created 10/4/1995 Heikki Tuuri *******************************************************/ diff --git a/include/srv0start.h b/include/srv0start.h index 6838cf97949..75689d8ed88 100644 --- a/include/srv0start.h +++ b/include/srv0start.h @@ -1,12 +1,27 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Starts the Innobase database server -(c) 1995-2000 Innobase Oy - Created 10/10/1995 Heikki Tuuri *******************************************************/ - #ifndef srv0start_h #define srv0start_h @@ -27,21 +42,8 @@ UNIV_INTERN ibool srv_parse_data_file_paths_and_sizes( /*================================*/ - /* out: TRUE if ok, FALSE if parsing - error */ - char* str, /* in: the data file path string */ - char*** data_file_names, /* out, own: array of data file - names */ - ulint** data_file_sizes, /* out, own: array of data file sizes - in megabytes */ - ulint** data_file_is_raw_partition,/* out, own: array of flags - showing which data files are raw - partitions */ - ulint* n_data_files, /* out: number of data files */ - ibool* is_auto_extending, /* out: TRUE if the last data file is - auto-extending */ - ulint* max_auto_extend_size); /* out: max auto extend size for the - last file if specified, 0 if not */ + /* out: TRUE if ok, FALSE on parse error */ + char* str); /* in/out: the data file path string */ /************************************************************************* Reads log group home directories from a character string given in the .cnf file. */ @@ -49,10 +51,15 @@ UNIV_INTERN ibool srv_parse_log_group_home_dirs( /*==========================*/ - /* out: TRUE if ok, FALSE if parsing - error */ - char* str, /* in: character string */ - char*** log_group_home_dirs); /* out, own: log group home dirs */ + /* out: TRUE if ok, FALSE on parse error */ + char* str); /* in/out: character string */ +/************************************************************************* +Frees the memory allocated by srv_parse_data_file_paths_and_sizes() +and srv_parse_log_group_home_dirs(). */ +UNIV_INTERN +void +srv_free_paths_and_sizes(void); +/*==========================*/ /************************************************************************* Adds a slash or a backslash to the end of a string if it is missing and the string is not empty. */ @@ -63,6 +70,7 @@ srv_add_path_separator_if_needed( /* out: string which has the separator if the string is not empty */ char* str); /* in: null-terminated character string */ +#ifndef UNIV_HOTBACKUP /******************************************************************** Starts Innobase and creates a new database if database files are not found and the user wants. */ @@ -104,6 +112,7 @@ extern ulint srv_shutdown_state; #define SRV_SHUTDOWN_CLEANUP 1 #define SRV_SHUTDOWN_LAST_PHASE 2 #define SRV_SHUTDOWN_EXIT_THREADS 3 +#endif /* !UNIV_HOTBACKUP */ /* Log 'spaces' have id's >= this */ #define SRV_LOG_SPACE_FIRST_ID 0xFFFFFFF0UL diff --git a/include/sync0arr.h b/include/sync0arr.h index 7236a7f514f..cc01c9ac5c8 100644 --- a/include/sync0arr.h +++ b/include/sync0arr.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The wait array used in synchronization primitives -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/sync0arr.ic b/include/sync0arr.ic index dbe35c033e5..09a562a4723 100644 --- a/include/sync0arr.ic +++ b/include/sync0arr.ic @@ -1,10 +1,26 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The wait array for synchronization primitives Inline code -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/sync0rw.h b/include/sync0rw.h index b56804c82a8..a32b628ee03 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -1,47 +1,39 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The read-write lock (for threads, not for database transactions) -(c) 1995 Innobase Oy - Created 9/11/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #ifndef sync0rw_h #define sync0rw_h #include "univ.i" +#ifndef UNIV_HOTBACKUP #include "ut0lst.h" #include "sync0sync.h" #include "os0sync.h" @@ -49,6 +41,7 @@ Created 9/11/1995 Heikki Tuuri /* The following undef is to prevent a name conflict with a macro in MySQL: */ #undef rw_lock_t +#endif /* !UNIV_HOTBACKUP */ /* Latch types; these are used also in btr0btr.h: keep the numerical values smaller than 30 and the order of the numerical values like below! */ @@ -56,6 +49,7 @@ smaller than 30 and the order of the numerical values like below! */ #define RW_X_LATCH 2 #define RW_NO_LATCH 3 +#ifndef UNIV_HOTBACKUP /* We decrement lock_word by this amount for each x_lock. It is also the start value for the lock_word, meaning that it limits the maximum number of concurrent read locks before the rw_lock breaks. The current value of @@ -572,5 +566,6 @@ struct rw_lock_debug_struct { #ifndef UNIV_NONINL #include "sync0rw.ic" #endif +#endif /* !UNIV_HOTBACKUP */ #endif diff --git a/include/sync0rw.ic b/include/sync0rw.ic index c5c4d71fb3a..9e7e4dc9bd8 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The read-write lock (for threads) -(c) 1995 Innobase Oy - Created 9/11/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ /********************************************************************** Lock an rw-lock in shared mode for the current thread. If the rw-lock is @@ -98,7 +89,7 @@ rw_lock_set_waiter_flag( rw_lock_t* lock) /* in: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap((lint*)&(lock->waiters), 0, 1); + os_compare_and_swap(&lock->waiters, 0, 1); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ lock->waiters = 1; #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ @@ -115,7 +106,7 @@ rw_lock_reset_waiter_flag( rw_lock_t* lock) /* in: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap((lint*)&(lock->waiters), 1, 0); + os_compare_and_swap(&lock->waiters, 1, 0); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ lock->waiters = 0; #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ @@ -285,14 +276,19 @@ rw_lock_set_writer_id_and_recursion_flag( { os_thread_id_t curr_thread = os_thread_get_curr_id(); - ut_ad(lock); - #ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_thread_id_t local_thread; + ibool success; - os_thread_id_t local_thread = lock->writer_thread; - ibool success = os_compare_and_swap((lint*)&(lock->writer_thread), - (lint)local_thread, - (lint)curr_thread); + /* Prevent Valgrind warnings about writer_thread being + uninitialized. It does not matter if writer_thread is + uninitialized, because we are comparing writer_thread against + itself, and the operation should always succeed. */ + UNIV_MEM_VALID(&lock->writer_thread, sizeof lock->writer_thread); + + local_thread = lock->writer_thread; + success = os_compare_and_swap(&lock->writer_thread, + local_thread, curr_thread); ut_a(success); lock->recursive = recursive; @@ -467,8 +463,8 @@ rw_lock_x_lock_func_nowait( if (success) { rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); - } else if (lock->recursive && - os_thread_eq(lock->writer_thread, curr_thread)) { + } else if (lock->recursive + && os_thread_eq(lock->writer_thread, curr_thread)) { /* Relock: this lock_word modification is safe since no other threads can modify (lock, unlock, or reserve) lock_word while there is an exclusive writer and this is the writer thread. */ @@ -578,6 +574,8 @@ rw_lock_x_unlock_func( if (lock->lock_word == 0) { /* Last caller in a possible recursive chain. */ lock->recursive = FALSE; + UNIV_MEM_INVALID(&lock->writer_thread, + sizeof lock->writer_thread); } #ifdef UNIV_SYNC_DEBUG @@ -622,6 +620,8 @@ rw_lock_x_unlock_direct( if (lock->lock_word == 0) { lock->recursive = FALSE; + UNIV_MEM_INVALID(&lock->writer_thread, + sizeof lock->writer_thread); } lock->lock_word += X_LOCK_DECR; diff --git a/include/sync0sync.h b/include/sync0sync.h index efa8b2cf5ad..ea4abddbbf4 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mutex, the basic synchronization primitive -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #ifndef sync0sync_h #define sync0sync_h diff --git a/include/sync0sync.ic b/include/sync0sync.ic index e857fda6efb..c43121ebd0b 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mutex, the basic synchronization primitive -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ /********************************************************************** Sets the waiters field in a mutex. */ diff --git a/include/sync0types.h b/include/sync0types.h index 57478426f25..3c1021b1a30 100644 --- a/include/sync0types.h +++ b/include/sync0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Global types for sync -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ @@ -12,5 +28,4 @@ Created 9/5/1995 Heikki Tuuri #define mutex_t ib_mutex_t typedef struct mutex_struct mutex_t; - #endif diff --git a/include/thr0loc.h b/include/thr0loc.h index 930ebea58c8..de815cdd9ab 100644 --- a/include/thr0loc.h +++ b/include/thr0loc.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The thread local storage -(c) 1995 Innobase Oy - Created 10/5/1995 Heikki Tuuri *******************************************************/ diff --git a/include/thr0loc.ic b/include/thr0loc.ic index b8b8136180c..6de183fd857 100644 --- a/include/thr0loc.ic +++ b/include/thr0loc.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Thread local storage -(c) 1995 Innobase Oy - Created 10/4/1995 Heikki Tuuri *******************************************************/ diff --git a/include/trx0i_s.h b/include/trx0i_s.h index 43c4b8bb436..cf2865af127 100644 --- a/include/trx0i_s.h +++ b/include/trx0i_s.h @@ -1,10 +1,26 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** INFORMATION SCHEMA innodb_trx, innodb_locks and innodb_lock_waits tables cache structures and public functions. -(c) 2007 Innobase Oy - Created July 17, 2007 Vasil Dimov *******************************************************/ diff --git a/include/trx0purge.h b/include/trx0purge.h index 8449d92b56b..4921b860485 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge old versions -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0purge.ic b/include/trx0purge.ic index 9f1c0ed96f8..2c1d2ac75af 100644 --- a/include/trx0purge.ic +++ b/include/trx0purge.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge old versions -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0rec.h b/include/trx0rec.h index 92bb1b0737d..aa734a1680c 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log record -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -14,10 +30,12 @@ Created 3/26/1996 Heikki Tuuri #include "row0types.h" #include "mtr0mtr.h" #include "dict0types.h" -#include "que0types.h" #include "data0data.h" #include "rem0types.h" +#ifndef UNIV_HOTBACKUP +# include "que0types.h" + /*************************************************************************** Copies the undo record to the heap. */ UNIV_INLINE @@ -265,6 +283,7 @@ trx_undo_prev_version_build( rec_t** old_vers);/* out, own: previous version, or NULL if rec is the first inserted version, or if history data has been deleted */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of adding an undo log record. */ UNIV_INTERN @@ -287,6 +306,8 @@ trx_undo_parse_erase_page_end( page_t* page, /* in: page or NULL */ mtr_t* mtr); /* in: mtr or NULL */ +#ifndef UNIV_HOTBACKUP + /* Types of an undo log record: these have to be smaller than 16, as the compilation info multiplied by 16 is ORed to this value in an undo log record */ @@ -314,4 +335,6 @@ record */ #include "trx0rec.ic" #endif -#endif +#endif /* !UNIV_HOTBACKUP */ + +#endif /* trx0rec_h */ diff --git a/include/trx0rec.ic b/include/trx0rec.ic index 8ad0b514ebf..2cb3a8fa128 100644 --- a/include/trx0rec.ic +++ b/include/trx0rec.ic @@ -1,11 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log record -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ +#ifndef UNIV_HOTBACKUP /************************************************************************** Reads from an undo log record the record type. */ UNIV_INLINE @@ -98,3 +115,4 @@ trx_undo_rec_copy( return(rec_copy); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/trx0roll.h b/include/trx0roll.h index dc89931ee20..3318a5985d7 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction rollback -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0roll.ic b/include/trx0roll.ic index dfde83ac478..513b8b44847 100644 --- a/include/trx0roll.ic +++ b/include/trx0roll.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction rollback -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0rseg.h b/include/trx0rseg.h index 4d9f46bed66..af3d05eaab8 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Rollback segment -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0rseg.ic b/include/trx0rseg.ic index 38ac2028fa9..e665a40fa8b 100644 --- a/include/trx0rseg.ic +++ b/include/trx0rseg.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Rollback segment -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0sys.h b/include/trx0sys.h index 8271a5fb38a..c521f1c030c 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction system -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -12,16 +28,17 @@ Created 3/26/1996 Heikki Tuuri #include "univ.i" #include "trx0types.h" +#include "fsp0fsp.h" +#include "fil0fil.h" +#include "fut0lst.h" +#include "buf0buf.h" +#ifndef UNIV_HOTBACKUP #include "mtr0mtr.h" #include "mtr0log.h" #include "ut0byte.h" #include "mem0mem.h" #include "sync0sync.h" #include "ut0lst.h" -#include "buf0buf.h" -#include "fil0fil.h" -#include "fut0lst.h" -#include "fsp0fsp.h" #include "read0types.h" #include "page0types.h" @@ -203,6 +220,7 @@ dulint trx_sys_get_new_trx_no(void); /*========================*/ /* out: new, allocated trx number */ +#endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a trx id to an index page. In case that the id size changes in some future version, this function should be used instead of @@ -213,6 +231,7 @@ trx_write_trx_id( /*=============*/ byte* ptr, /* in: pointer to memory where written */ dulint id); /* in: id */ +#ifndef UNIV_HOTBACKUP /********************************************************************* Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of @@ -279,18 +298,6 @@ UNIV_INTERN void trx_sys_print_mysql_binlog_offset(void); /*===================================*/ -#ifdef UNIV_HOTBACKUP -/********************************************************************* -Prints to stderr the MySQL binlog info in the system header if the -magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset_from_page( -/*========================================*/ - const byte* page); /* in: buffer containing the trx - system header page, i.e., page number - TRX_SYS_PAGE_NO in the tablespace */ -#endif /* UNIV_HOTBACKUP */ /********************************************************************* Prints to stderr the MySQL master log offset info in the trx system header if the magic number shows it valid. */ @@ -364,6 +371,18 @@ trx_sys_file_format_max_upgrade( bigger than the known max id */ const char** name, /* out: max file format name */ ulint format_id); /* in: file format identifier */ +#else /* !UNIV_HOTBACKUP */ +/********************************************************************* +Prints to stderr the MySQL binlog info in the system header if the +magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset_from_page( +/*========================================*/ + const byte* page); /* in: buffer containing the trx + system header page, i.e., page number + TRX_SYS_PAGE_NO in the tablespace */ +#endif /* !UNIV_HOTBACKUP */ /* The automatically created system rollback segment has this id */ #define TRX_SYS_SYSTEM_RSEG_ID 0 @@ -419,6 +438,7 @@ this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ within that file */ #define TRX_SYS_MYSQL_LOG_NAME 12 /* MySQL log file name */ +#ifndef UNIV_HOTBACKUP /* The offset of the doublewrite buffer header on the trx system header page */ #define TRX_SYS_DOUBLEWRITE (UNIV_PAGE_SIZE - 200) /*-------------------------------------------------------------*/ @@ -524,6 +544,7 @@ struct trx_sys_struct{ two) is assigned, the field TRX_SYS_TRX_ID_STORE on the transaction system page is updated */ #define TRX_SYS_TRX_ID_WRITE_MARGIN 256 +#endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL #include "trx0sys.ic" diff --git a/include/trx0sys.ic b/include/trx0sys.ic index e7997a67a3d..760bd3ce68d 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -1,13 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction system -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ -#include "srv0srv.h" #include "trx0trx.h" +#include "data0type.h" +#ifndef UNIV_HOTBACKUP +# include "srv0srv.h" /* The typedef for rseg slot in the file copy */ typedef byte trx_sysf_rseg_t; @@ -195,6 +213,7 @@ trx_sysf_rseg_set_page_no( page_no, MLOG_4BYTES, mtr); } +#endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a trx id to an index page. In case that the id size changes in @@ -213,6 +232,7 @@ trx_write_trx_id( mach_write_to_6(ptr, id); } +#ifndef UNIV_HOTBACKUP /********************************************************************* Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of @@ -365,3 +385,4 @@ trx_sys_get_new_trx_no(void) return(trx_sys_get_new_trx_id()); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/trx0trx.h b/include/trx0trx.h index 63b37a87c7f..7603ffef924 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -11,12 +27,13 @@ Created 3/26/1996 Heikki Tuuri #include "univ.i" #include "trx0types.h" +#include "dict0types.h" +#ifndef UNIV_HOTBACKUP #include "lock0types.h" #include "usr0types.h" #include "que0types.h" #include "mem0mem.h" #include "read0types.h" -#include "dict0types.h" #include "trx0xa.h" #include "ut0vec.h" @@ -27,34 +44,6 @@ extern sess_t* trx_dummy_sess; the kernel mutex */ extern ulint trx_n_mysql_transactions; -/***************************************************************** -Resets the new record lock info in a transaction struct. */ -UNIV_INLINE -void -trx_reset_new_rec_lock_info( -/*========================*/ - trx_t* trx); /* in: transaction struct */ -/***************************************************************** -Registers that we have set a new record lock on an index. We only have space -to store 2 indexes! If this is called to store more than 2 indexes after -trx_reset_new_rec_lock_info(), then this function does nothing. */ -UNIV_INLINE -void -trx_register_new_rec_lock( -/*======================*/ - trx_t* trx, /* in: transaction struct */ - dict_index_t* index); /* in: trx sets a new record lock on this - index */ -/***************************************************************** -Checks if trx has set a new record lock on an index. */ -UNIV_INLINE -ibool -trx_new_rec_locks_contain( -/*======================*/ - /* out: TRUE if trx has set a new record lock - on index */ - trx_t* trx, /* in: transaction struct */ - dict_index_t* index); /* in: index */ /************************************************************************ Releases the search latch if trx has reserved it. */ UNIV_INTERN @@ -595,20 +584,6 @@ struct trx_struct{ to srv_conc_innodb_enter, if the value here is > 0, we decrement this by 1 */ /*------------------------------*/ - dict_index_t* new_rec_locks[2];/* these are normally NULL; if - srv_locks_unsafe_for_binlog is TRUE - or session is using READ COMMITTED - isolation level, - in a cursor search, if we set a new - record lock on an index, this is set - to point to the index; this is - used in releasing the locks under the - cursors if we are performing an UPDATE - and we determine after retrieving - the row that it does not need to be - locked; thus, these can be used to - implement a 'mini-rollback' that - releases the latest record locks */ UT_LIST_NODE_T(trx_t) trx_list; /* list of transactions */ UT_LIST_NODE_T(trx_t) @@ -827,5 +802,6 @@ struct commit_node_struct{ #ifndef UNIV_NONINL #include "trx0trx.ic" #endif +#endif /* !UNIV_HOTBACKUP */ #endif diff --git a/include/trx0trx.ic b/include/trx0trx.ic index 6b01a8cc0d4..51212539c09 100644 --- a/include/trx0trx.ic +++ b/include/trx0trx.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -39,64 +55,6 @@ trx_start_if_not_started_low( } } -/***************************************************************** -Resets the new record lock info in a transaction struct. */ -UNIV_INLINE -void -trx_reset_new_rec_lock_info( -/*========================*/ - trx_t* trx) /* in: transaction struct */ -{ - trx->new_rec_locks[0] = NULL; - trx->new_rec_locks[1] = NULL; -} - -/***************************************************************** -Registers that we have set a new record lock on an index. We only have space -to store 2 indexes! If this is called to store more than 2 indexes after -trx_reset_new_rec_lock_info(), then this function does nothing. */ -UNIV_INLINE -void -trx_register_new_rec_lock( -/*======================*/ - trx_t* trx, /* in: transaction struct */ - dict_index_t* index) /* in: trx sets a new record lock on this - index */ -{ - if (trx->new_rec_locks[0] == NULL) { - trx->new_rec_locks[0] = index; - - return; - } - - if (trx->new_rec_locks[0] == index) { - - return; - } - - if (trx->new_rec_locks[1] != NULL) { - - return; - } - - trx->new_rec_locks[1] = index; -} - -/***************************************************************** -Checks if trx has set a new record lock on an index. */ -UNIV_INLINE -ibool -trx_new_rec_locks_contain( -/*======================*/ - /* out: TRUE if trx has set a new record lock - on index */ - trx_t* trx, /* in: transaction struct */ - dict_index_t* index) /* in: index */ -{ - return(trx->new_rec_locks[0] == index - || trx->new_rec_locks[1] == index); -} - /******************************************************************** Retrieves the error_info field from a trx. */ UNIV_INLINE diff --git a/include/trx0types.h b/include/trx0types.h index 9aee50ae605..896f4e8c0a2 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction system global type definitions -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/include/trx0undo.h b/include/trx0undo.h index 378c46b1297..f6834bd7494 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -16,6 +32,7 @@ Created 3/26/1996 Heikki Tuuri #include "page0types.h" #include "trx0xa.h" +#ifndef UNIV_HOTBACKUP /*************************************************************************** Builds a roll pointer dulint. */ UNIV_INLINE @@ -46,6 +63,7 @@ trx_undo_roll_ptr_is_insert( /*========================*/ /* out: TRUE if insert undo log */ dulint roll_ptr); /* in: roll pointer */ +#endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a roll ptr to an index page. In case that the size changes in some future version, this function should be used instead of @@ -66,6 +84,7 @@ trx_read_roll_ptr( /*==============*/ /* out: roll ptr */ const byte* ptr); /* in: pointer to memory from where to read */ +#ifndef UNIV_HOTBACKUP /********************************************************************** Gets an undo log page and x-latches it. */ UNIV_INLINE @@ -282,6 +301,7 @@ void trx_undo_insert_cleanup( /*====================*/ trx_t* trx); /* in: transaction handle */ +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses the redo log entry of an undo log page initialization. */ UNIV_INTERN @@ -334,6 +354,7 @@ trx_undo_parse_discard_latest( #define TRX_UNDO_PREPARED 5 /* contains an undo log of an prepared transaction */ +#ifndef UNIV_HOTBACKUP /* Transaction undo log memory object; this is protected by the undo_mutex in the corresponding transaction object */ @@ -392,6 +413,7 @@ struct trx_undo_struct{ /* undo log objects in the rollback segment are chained into lists */ }; +#endif /* !UNIV_HOTBACKUP */ /* The offset of the undo log page header on pages of the undo log */ #define TRX_UNDO_PAGE_HDR FSEG_PAGE_DATA diff --git a/include/trx0undo.ic b/include/trx0undo.ic index ea8fbc3907f..d767716ba9a 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -1,14 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ #include "data0type.h" #include "page0page.h" +#ifndef UNIV_HOTBACKUP /*************************************************************************** Builds a roll pointer dulint. */ UNIV_INLINE @@ -85,6 +102,7 @@ trx_undo_roll_ptr_is_insert( return(high / (256 * 256 * 128)); } +#endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a roll ptr to an index page. In case that the size changes in @@ -120,6 +138,7 @@ trx_read_roll_ptr( return(mach_read_from_7(ptr)); } +#ifndef UNIV_HOTBACKUP /********************************************************************** Gets an undo log page and x-latches it. */ UNIV_INLINE @@ -326,3 +345,4 @@ trx_undo_page_get_first_rec( return(undo_page + start); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/include/trx0xa.h b/include/trx0xa.h index 1127d0c9a60..0e040b8d8e5 100644 --- a/include/trx0xa.h +++ b/include/trx0xa.h @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /* * Start of xa.h header * diff --git a/include/univ.i b/include/univ.i index fd5cb6c5dc6..eb0f24f082c 100644 --- a/include/univ.i +++ b/include/univ.i @@ -1,49 +1,40 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*************************************************************************** Version control for database, common definitions, and include files -(c) 1994 - 2000 Innobase Oy - Created 1/20/1994 Heikki Tuuri ****************************************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #ifndef univ_i #define univ_i #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 -#define INNODB_VERSION_BUGFIX 3 +#define INNODB_VERSION_BUGFIX 4 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; @@ -125,9 +116,20 @@ of the 32-bit x86 assembler in mutex operations. */ /* For InnoDB rw_locks to work with atomics we need the thread_id to be no more than machine word wide. The following enables using atomics for InnoDB rw_locks where these conditions are met. */ -# if defined(HAVE_GCC_ATOMIC_BUILTINS) && defined(UNIV_LINUX) +#ifdef HAVE_GCC_ATOMIC_BUILTINS +/* if HAVE_ATOMIC_PTHREAD_T is defined at this point that means that +the code from plug.in has defined it and we do not need to include +ut0auxconf.h which would either define HAVE_ATOMIC_PTHREAD_T or will +be empty */ +# ifndef HAVE_ATOMIC_PTHREAD_T +# include "ut0auxconf.h" +# endif /* HAVE_ATOMIC_PTHREAD_T */ +/* now HAVE_ATOMIC_PTHREAD_T is eventually defined either by plug.in or +from Makefile.in->ut0auxconf.h */ +# ifdef HAVE_ATOMIC_PTHREAD_T # define INNODB_RW_LOCKS_USE_ATOMICS -# endif +# endif /* HAVE_ATOMIC_PTHREAD_T */ +#endif /* HAVE_GCC_ATOMIC_BUILTINS */ /* We only try to do explicit inlining of functions with gcc and Microsoft Visual C++ */ diff --git a/include/usr0sess.h b/include/usr0sess.h index fba9ed17642..08c6c70066f 100644 --- a/include/usr0sess.h +++ b/include/usr0sess.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Sessions -(c) 1996 Innobase Oy - Created 6/25/1996 Heikki Tuuri *******************************************************/ diff --git a/include/usr0sess.ic b/include/usr0sess.ic index c851d5745b9..5eefed382da 100644 --- a/include/usr0sess.ic +++ b/include/usr0sess.ic @@ -1,7 +1,23 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Sessions -(c) 1996 Innobase Oy - Created 6/25/1996 Heikki Tuuri *******************************************************/ diff --git a/include/usr0types.h b/include/usr0types.h index 311471c1a0e..7f7d12f7bf5 100644 --- a/include/usr0types.h +++ b/include/usr0types.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Users and sessions global types -(c) 1996 Innobase Oy - Created 6/25/1996 Heikki Tuuri *******************************************************/ diff --git a/include/ut0auxconf.h b/include/ut0auxconf.h new file mode 100644 index 00000000000..6362b7ca412 --- /dev/null +++ b/include/ut0auxconf.h @@ -0,0 +1,14 @@ +/* Do not remove this file even though it is empty. +This file is included in univ.i and will cause compilation failure +if not present. +A custom check has been added in the generated +storage/innobase/Makefile.in that is shipped with with the InnoDB Plugin +source archive. This check tries to compile a test program and if +successful then adds "#define HAVE_ATOMIC_PTHREAD_T" to this file. +This is a hack that has been developed in order to check for pthread_t +atomicity without the need to regenerate the ./configure script that is +distributed in the MySQL 5.1 official source archives. +If by any chance Makefile.in and ./configure are regenerated and thus +the hack from Makefile.in wiped away then the "real" check from plug.in +will take over. +*/ diff --git a/include/ut0byte.h b/include/ut0byte.h index 85d4dad1685..24aac1678b3 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Utilities for byte operations -(c) 1994, 1995 Innobase Oy - Created 1/20/1994 Heikki Tuuri ***********************************************************************/ diff --git a/include/ut0byte.ic b/include/ut0byte.ic index 80a3dfa2e86..021a3a15009 100644 --- a/include/ut0byte.ic +++ b/include/ut0byte.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************************** Utilities for byte operations -(c) 1994, 1995 Innobase Oy - Created 5/30/1994 Heikki Tuuri *******************************************************************/ diff --git a/include/ut0dbg.h b/include/ut0dbg.h index e143ac89b69..a206789fd4c 100644 --- a/include/ut0dbg.h +++ b/include/ut0dbg.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************* Debug utilities for Innobase -(c) 1994, 1995 Innobase Oy - Created 1/30/1994 Heikki Tuuri **********************************************************************/ @@ -39,7 +55,7 @@ extern ibool panic_shutdown; void ut_dbg_panic(void); # define UT_DBG_PANIC ut_dbg_panic() /* Stop threads in ut_a(). */ -# define UT_DBG_STOP while (0) /* We do not do this on NetWare */ +# define UT_DBG_STOP do {} while (0) /* We do not do this on NetWare */ #else /* __NETWARE__ */ # if defined(__WIN__) || defined(__INTEL_COMPILER) # undef UT_DBG_USE_ABORT @@ -71,7 +87,7 @@ ut_dbg_stop_thread( /* Abort the execution. */ # define UT_DBG_PANIC abort() /* Stop threads (null operation) */ -# define UT_DBG_STOP while (0) +# define UT_DBG_STOP do {} while (0) # else /* UT_DBG_USE_ABORT */ /* Abort the execution. */ # define UT_DBG_PANIC \ diff --git a/include/ut0list.h b/include/ut0list.h index c676a22fa39..034aa400af9 100644 --- a/include/ut0list.h +++ b/include/ut0list.h @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** A double-linked list. This differs from the one in ut0lst.h in that in this one, each list node contains a pointer to the data, whereas the one in @@ -18,7 +36,6 @@ automatically freeing the list node when the item's heap is freed. ************************************************************************/ - #ifndef IB_LIST_H #define IB_LIST_H diff --git a/include/ut0list.ic b/include/ut0list.ic index c2d3e4557f0..c79a0cf18dc 100644 --- a/include/ut0list.ic +++ b/include/ut0list.ic @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************************** Get the first node in the list. */ UNIV_INLINE diff --git a/include/ut0lst.h b/include/ut0lst.h index 72ee85a79f0..b58cf4189fb 100644 --- a/include/ut0lst.h +++ b/include/ut0lst.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** List utilities -(c) 1995 Innobase Oy - Created 9/10/1995 Heikki Tuuri ***********************************************************************/ @@ -194,34 +210,36 @@ if the list is empty. BASE is the base node (not a pointer to it). */ /************************************************************************ Checks the consistency of a two-way list. NAME is the name of the list, -TYPE is the node type, and BASE is the base node (not a pointer to it). */ - -#define UT_LIST_VALIDATE(NAME, TYPE, BASE)\ -{\ - ulint ut_list_i_313;\ - TYPE * ut_list_node_313;\ -\ - ut_list_node_313 = (BASE).start;\ -\ - for (ut_list_i_313 = 0; ut_list_i_313 < (BASE).count;\ - ut_list_i_313++) {\ - ut_a(ut_list_node_313);\ - ut_list_node_313 = (ut_list_node_313->NAME).next;\ - }\ -\ - ut_a(ut_list_node_313 == NULL);\ -\ - ut_list_node_313 = (BASE).end;\ -\ - for (ut_list_i_313 = 0; ut_list_i_313 < (BASE).count;\ - ut_list_i_313++) {\ - ut_a(ut_list_node_313);\ - ut_list_node_313 = (ut_list_node_313->NAME).prev;\ - }\ -\ - ut_a(ut_list_node_313 == NULL);\ -}\ +TYPE is the node type, BASE is the base node (not a pointer to it), +and ASSERTION is a condition on ut_list_node_313. */ +#define UT_LIST_VALIDATE(NAME, TYPE, BASE, ASSERTION) \ +do { \ + ulint ut_list_i_313; \ + TYPE* ut_list_node_313; \ + \ + ut_list_node_313 = (BASE).start; \ + \ + for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ + ut_a(ut_list_node_313); \ + ASSERTION; \ + ut_ad((ut_list_node_313->NAME).next || !ut_list_i_313); \ + ut_list_node_313 = (ut_list_node_313->NAME).next; \ + } \ + \ + ut_a(ut_list_node_313 == NULL); \ + \ + ut_list_node_313 = (BASE).end; \ + \ + for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ + ut_a(ut_list_node_313); \ + ASSERTION; \ + ut_ad((ut_list_node_313->NAME).prev || !ut_list_i_313); \ + ut_list_node_313 = (ut_list_node_313->NAME).prev; \ + } \ + \ + ut_a(ut_list_node_313 == NULL); \ +} while (0) #endif diff --git a/include/ut0mem.h b/include/ut0mem.h index 1e4b3dd232b..8396147199a 100644 --- a/include/ut0mem.h +++ b/include/ut0mem.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** Memory primitives -(c) 1994, 1995 Innobase Oy - Created 5/30/1994 Heikki Tuuri ************************************************************************/ @@ -11,10 +27,17 @@ Created 5/30/1994 Heikki Tuuri #include "univ.i" #include -#include +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" -/* The total amount of memory currently allocated from the OS with malloc */ -extern ulint ut_total_allocated_memory; +/* The total amount of memory currently allocated from the operating +system with os_mem_alloc_large() or malloc(). Does not count malloc() +if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ +extern ulint ut_total_allocated_memory; + +/* Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +extern os_fast_mutex_t ut_list_mutex; +#endif /* !UNIV_HOTBACKUP */ UNIV_INLINE void* @@ -28,6 +51,12 @@ UNIV_INLINE int ut_memcmp(const void* str1, const void* str2, ulint n); +/************************************************************************** +Initializes the mem block list at database startup. */ +UNIV_INTERN +void +ut_mem_init(void); +/*=============*/ /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is @@ -52,6 +81,7 @@ ut_malloc( /*======*/ /* out, own: allocated memory */ ulint n); /* in: number of bytes to allocate */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to @@ -62,6 +92,7 @@ ut_test_malloc( /*===========*/ /* out: TRUE if succeeded */ ulint n); /* in: try to allocate this many bytes */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Frees a memory block allocated with ut_malloc. */ UNIV_INTERN @@ -69,6 +100,7 @@ void ut_free( /*====*/ void* ptr); /* in, own: memory block */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not use this function because the allocation functions in mem0mem.h are the @@ -106,6 +138,7 @@ UNIV_INTERN void ut_free_all_mem(void); /*=================*/ +#endif /* !UNIV_HOTBACKUP */ UNIV_INLINE char* diff --git a/include/ut0mem.ic b/include/ut0mem.ic index 03399497860..5078c721706 100644 --- a/include/ut0mem.ic +++ b/include/ut0mem.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** Memory primitives -(c) 1994, 1995 Innobase Oy - Created 5/30/1994 Heikki Tuuri ************************************************************************/ diff --git a/include/ut0rnd.h b/include/ut0rnd.h index 9939126db93..b9e23d7cd14 100644 --- a/include/ut0rnd.h +++ b/include/ut0rnd.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Random numbers and hashing -(c) 1994, 1995 Innobase Oy - Created 1/20/1994 Heikki Tuuri ***********************************************************************/ diff --git a/include/ut0rnd.ic b/include/ut0rnd.ic index 1f82989d64e..d72100d16a1 100644 --- a/include/ut0rnd.ic +++ b/include/ut0rnd.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************************** Random numbers and hashing -(c) 1994, 1995 Innobase Oy - Created 5/30/1994 Heikki Tuuri *******************************************************************/ diff --git a/include/ut0sort.h b/include/ut0sort.h index e047927f026..5fd5db54832 100644 --- a/include/ut0sort.h +++ b/include/ut0sort.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Sort utility -(c) 1995 Innobase Oy - Created 11/9/1995 Heikki Tuuri ***********************************************************************/ diff --git a/include/ut0ut.h b/include/ut0ut.h index afb3ba3ffa4..06b5bbcb221 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Various utilities -(c) 1994, 1995 Innobase Oy - Created 1/20/1994 Heikki Tuuri ***********************************************************************/ @@ -214,7 +230,7 @@ ut_get_year_month_day( ulint* year, /* out: current year */ ulint* month, /* out: month */ ulint* day); /* out: day */ -#endif /* UNIV_HOTBACKUP */ +#else /* UNIV_HOTBACKUP */ /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay in microseconds on 100 MHz Pentium + Visual C++. */ @@ -224,6 +240,7 @@ ut_delay( /*=====*/ /* out: dummy value */ ulint delay); /* in: delay in microseconds on 100 MHz Pentium */ +#endif /* UNIV_HOTBACKUP */ /***************************************************************** Prints the contents of a memory buffer in hex and ascii. */ UNIV_INTERN @@ -243,6 +260,7 @@ ut_print_filename( FILE* f, /* in: output stream */ const char* name); /* in: name to print */ +#ifndef UNIV_HOTBACKUP /* Forward declaration of transaction handle */ struct trx_struct; @@ -285,6 +303,7 @@ ut_copy_file( /*=========*/ FILE* dest, /* in: output file */ FILE* src); /* in: input file to be appended to output */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** snprintf(). */ diff --git a/include/ut0ut.ic b/include/ut0ut.ic index 12cd48bb7eb..e4e0a2acce6 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************************** Various utilities -(c) 1994, 1995 Innobase Oy - Created 5/30/1994 Heikki Tuuri *******************************************************************/ diff --git a/include/ut0vec.h b/include/ut0vec.h index 60b2b3bbc0e..aeb7e168dc6 100644 --- a/include/ut0vec.h +++ b/include/ut0vec.h @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #ifndef IB_VECTOR_H #define IB_VECTOR_H diff --git a/include/ut0vec.ic b/include/ut0vec.ic index f89b7826776..b0e853717e3 100644 --- a/include/ut0vec.ic +++ b/include/ut0vec.ic @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************************** Get number of elements in vector. */ UNIV_INLINE diff --git a/include/ut0wqueue.h b/include/ut0wqueue.h index 49747111119..6bb80dad532 100644 --- a/include/ut0wqueue.h +++ b/include/ut0wqueue.h @@ -1,8 +1,25 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** A Work queue. Threads can add work items to the queue and other threads can wait for work items to be available and take them off the queue for processing. - ************************************************************************/ #ifndef IB_WORK_QUEUE_H diff --git a/lock/lock0iter.c b/lock/lock0iter.c index e5a73bce975..e7a128d0db3 100644 --- a/lock/lock0iter.c +++ b/lock/lock0iter.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Lock queue iterator. Can iterate over table and record lock queues. -(c) 2007 Innobase Oy - Created July 16, 2007 Vasil Dimov *******************************************************/ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index b066c2b08c1..11f839c1f56 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction lock system -(c) 1996 Innobase Oy - Created 5/7/1996 Heikki Tuuri *******************************************************/ @@ -1960,12 +1976,6 @@ lock_rec_lock_fast( if (lock == NULL) { if (!impl) { lock_rec_create(mode, block, heap_no, index, trx); - - if (srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) { - trx_register_new_rec_lock(trx, index); - } } return(TRUE); @@ -1989,11 +1999,6 @@ lock_rec_lock_fast( if (!lock_rec_get_nth_bit(lock, heap_no)) { lock_rec_set_nth_bit(lock, heap_no); - if (srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) { - trx_register_new_rec_lock(trx, index); - } } } @@ -2053,22 +2058,12 @@ lock_rec_lock_slow( err = lock_rec_enqueue_waiting(mode, block, heap_no, index, thr); - - if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { - trx_register_new_rec_lock(trx, index); - } } else { if (!impl) { /* Set the requested lock on the record */ lock_rec_add_to_queue(LOCK_REC | mode, block, heap_no, index, trx); - if (srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) { - trx_register_new_rec_lock(trx, index); - } } err = DB_SUCCESS; diff --git a/log/log0log.c b/log/log0log.c index 7997a25f8f6..63da4c9134f 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Database log -(c) 1995-1997 Innobase Oy - Created 12/9/1995 Heikki Tuuri *******************************************************/ @@ -12,6 +28,7 @@ Created 12/9/1995 Heikki Tuuri #include "log0log.ic" #endif +#ifndef UNIV_HOTBACKUP #include "mem0mem.h" #include "buf0buf.h" #include "buf0flu.h" @@ -59,8 +76,6 @@ UNIV_INTERN log_t* log_sys = NULL; #ifdef UNIV_DEBUG UNIV_INTERN ibool log_do_write = TRUE; - -UNIV_INTERN ibool log_debug_writes = FALSE; #endif /* UNIV_DEBUG */ /* These control how often we print warnings if the last checkpoint is too @@ -452,8 +467,8 @@ UNIV_INTERN ulint log_group_get_capacity( /*===================*/ - /* out: capacity in bytes */ - log_group_t* group) /* in: log group */ + /* out: capacity in bytes */ + const log_group_t* group) /* in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -467,9 +482,10 @@ UNIV_INLINE ulint log_group_calc_size_offset( /*=======================*/ - /* out: size offset (<= offset) */ - ulint offset, /* in: real offset within the log group */ - log_group_t* group) /* in: log group */ + /* out: size offset (<= offset) */ + ulint offset, /* in: real offset within the + log group */ + const log_group_t* group) /* in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -483,9 +499,10 @@ UNIV_INLINE ulint log_group_calc_real_offset( /*=======================*/ - /* out: real offset (>= offset) */ - ulint offset, /* in: size offset within the log group */ - log_group_t* group) /* in: log group */ + /* out: real offset (>= offset) */ + ulint offset, /* in: size offset within the + log group */ + const log_group_t* group) /* in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -499,10 +516,10 @@ static ulint log_group_calc_lsn_offset( /*======================*/ - /* out: offset within the log group */ - ib_uint64_t lsn, /* in: lsn, must be within 4 GB of - group->lsn */ - log_group_t* group) /* in: log group */ + /* out: offset within the log group */ + ib_uint64_t lsn, /* in: lsn, must be within 4 GB of + group->lsn */ + const log_group_t* group) /* in: log group */ { ib_uint64_t gr_lsn; ib_int64_t gr_lsn_size_offset; @@ -544,6 +561,11 @@ log_group_calc_lsn_offset( return(log_group_calc_real_offset((ulint)offset, group)); } +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +UNIV_INTERN ibool log_debug_writes = FALSE; +#endif /* UNIV_DEBUG */ /*********************************************************************** Calculates where in log files we find a specified lsn. */ @@ -585,6 +607,7 @@ log_calc_where_lsn_is( return(file_no); } +#ifndef UNIV_HOTBACKUP /************************************************************ Sets the field values in group to correspond to a given lsn. For this function to work, the values must already be correctly initialized to correspond to @@ -593,7 +616,7 @@ UNIV_INTERN void log_group_set_fields( /*=================*/ - log_group_t* group, /* in: group */ + log_group_t* group, /* in/out: group */ ib_uint64_t lsn) /* in: lsn for which the values should be set */ { @@ -826,7 +849,7 @@ log_init(void) #ifdef UNIV_LOG_DEBUG recv_sys_create(); - recv_sys_init(FALSE, buf_pool_get_curr_size()); + recv_sys_init(buf_pool_get_curr_size()); recv_sys->parse_start_lsn = log_sys->lsn; recv_sys->scanned_lsn = log_sys->lsn; @@ -1649,10 +1672,10 @@ UNIV_INTERN void log_checkpoint_get_nth_group_info( /*==============================*/ - byte* buf, /* in: buffer containing checkpoint info */ - ulint n, /* in: nth slot */ - ulint* file_no,/* out: archived file number */ - ulint* offset) /* out: archived file offset */ + const byte* buf, /* in: buffer containing checkpoint info */ + ulint n, /* in: nth slot */ + ulint* file_no,/* out: archived file number */ + ulint* offset) /* out: archived file offset */ { ut_ad(n < LOG_MAX_N_GROUPS); @@ -1781,6 +1804,7 @@ log_group_checkpoint( ut_ad(((ulint)group & 0x1UL) == 0); } } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP /********************************************************** @@ -1836,6 +1860,7 @@ log_reset_first_header_and_checkpoint( } #endif /* UNIV_HOTBACKUP */ +#ifndef UNIV_HOTBACKUP /********************************************************** Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ UNIV_INTERN @@ -3202,8 +3227,7 @@ log_check_log_recs( ut_memcpy(scan_buf, start, end - start); - recv_scan_log_recs(TRUE, - (buf_pool->curr_size + recv_scan_log_recs((buf_pool->curr_size - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, FALSE, scan_buf, end - start, ut_uint64_align_down(buf_start_lsn, @@ -3289,3 +3313,4 @@ log_refresh_stats(void) log_sys->n_log_ios_old = log_sys->n_log_ios; log_sys->last_printout_time = time(NULL); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/log/log0recv.c b/log/log0recv.c index e3a4c5d1696..6d3593e0ca7 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Recovery -(c) 1997 Innobase Oy - Created 9/20/1997 Heikki Tuuri *******************************************************/ @@ -15,25 +31,30 @@ Created 9/20/1997 Heikki Tuuri #include "mem0mem.h" #include "buf0buf.h" #include "buf0flu.h" -#include "buf0rea.h" -#include "srv0srv.h" -#include "srv0start.h" +#include "mtr0mtr.h" #include "mtr0log.h" #include "page0cur.h" #include "page0zip.h" +#include "btr0btr.h" #include "btr0cur.h" #include "ibuf0ibuf.h" #include "trx0undo.h" #include "trx0rec.h" -#include "trx0roll.h" -#include "row0merge.h" +#include "fil0fil.h" +#ifndef UNIV_HOTBACKUP +# include "buf0rea.h" +# include "srv0srv.h" +# include "srv0start.h" +# include "trx0roll.h" +# include "row0merge.h" +# include "sync0sync.h" +#else /* !UNIV_HOTBACKUP */ -#ifdef UNIV_HOTBACKUP /* This is set to FALSE if the backup was originally taken with the ibbackup --include regexp option: then we do not want to create tables in directories which were not included */ UNIV_INTERN ibool recv_replay_file_ops = TRUE; -#endif /* UNIV_HOTBACKUP */ +#endif /* !UNIV_HOTBACKUP */ /* Log records are stored in the hash table in chunks at most of this size; this must be less than UNIV_PAGE_SIZE as it is stored in the buffer pool */ @@ -44,8 +65,11 @@ this must be less than UNIV_PAGE_SIZE as it is stored in the buffer pool */ UNIV_INTERN recv_sys_t* recv_sys = NULL; UNIV_INTERN ibool recv_recovery_on = FALSE; +#ifdef UNIV_LOG_ARCHIVE UNIV_INTERN ibool recv_recovery_from_backup_on = FALSE; +#endif /* UNIV_LOG_ARCHIVE */ +#ifndef UNIV_HOTBACKUP UNIV_INTERN ibool recv_needed_recovery = FALSE; UNIV_INTERN ibool recv_lsn_checks_on = FALSE; @@ -71,18 +95,18 @@ buffer pool before the pages have been recovered to the up-to-date state */ yet: the variable name is misleading */ UNIV_INTERN ibool recv_no_ibuf_operations = FALSE; - +# define recv_is_making_a_backup FALSE +# define recv_is_from_backup FALSE +#else /* !UNIV_HOTBACKUP */ +# define recv_needed_recovery FALSE +UNIV_INTERN ibool recv_is_making_a_backup = FALSE; +UNIV_INTERN ibool recv_is_from_backup = FALSE; +# define buf_pool_get_curr_size() (5 * 1024 * 1024) +#endif /* !UNIV_HOTBACKUP */ /* The following counter is used to decide when to print info on log scan */ UNIV_INTERN ulint recv_scan_print_counter = 0; -UNIV_INTERN ibool recv_is_from_backup = FALSE; -#ifdef UNIV_HOTBACKUP -UNIV_INTERN ibool recv_is_making_a_backup = FALSE; -#else -# define recv_is_making_a_backup FALSE -#endif /* UNIV_HOTBACKUP */ - UNIV_INTERN ulint recv_previous_parsed_rec_type = 999999; UNIV_INTERN ulint recv_previous_parsed_rec_offset = 0; UNIV_INTERN ulint recv_previous_parsed_rec_is_multi = 0; @@ -106,6 +130,7 @@ UNIV_INTERN ib_uint64_t recv_max_page_lsn; /* prototypes */ +#ifndef UNIV_HOTBACKUP /*********************************************************** Initialize crash recovery environment. Can be called iff recv_needed_recovery == FALSE. */ @@ -113,6 +138,7 @@ static void recv_init_crash_recovery(void); /*===========================*/ +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Creates the recovery system. */ @@ -140,8 +166,6 @@ UNIV_INTERN void recv_sys_init( /*==========*/ - ibool recover_from_backup, /* in: TRUE if this is called - to recover from a hot backup */ ulint available_memory) /* in: available memory in bytes */ { if (recv_sys->heap != NULL) { @@ -149,20 +173,22 @@ recv_sys_init( return; } +#ifndef UNIV_HOTBACKUP /* Initialize red-black tree for fast insertions into the flush_list during recovery process. As this initialization is done while holding the buffer pool mutex we perform it before acquiring recv_sys->mutex. */ buf_flush_init_flush_rbt(); +#endif /* !UNIV_HOTBACKUP */ mutex_enter(&(recv_sys->mutex)); - if (!recover_from_backup) { - recv_sys->heap = mem_heap_create_in_buffer(256); - } else { - recv_sys->heap = mem_heap_create(256); - recv_is_from_backup = TRUE; - } +#ifndef UNIV_HOTBACKUP + recv_sys->heap = mem_heap_create_in_buffer(256); +#else /* !UNIV_HOTBACKUP */ + recv_sys->heap = mem_heap_create(256); + recv_is_from_backup = TRUE; +#endif /* !UNIV_HOTBACKUP */ /* Set appropriate value of recv_n_pool_free_frames. */ if (buf_pool_get_curr_size() >= (10 * 1024 * 1024)) { @@ -217,7 +243,8 @@ recv_sys_empty_hash(void) recv_sys->addr_hash = hash_create(buf_pool_get_curr_size() / 256); } -#ifndef UNIV_LOG_DEBUG +#ifndef UNIV_HOTBACKUP +# ifndef UNIV_LOG_DEBUG /************************************************************ Frees the recovery system. */ static @@ -240,7 +267,7 @@ recv_sys_free(void) /* Free up the flush_rbt. */ buf_flush_free_flush_rbt(); } -#endif /* UNIV_LOG_DEBUG */ +# endif /* UNIV_LOG_DEBUG */ /************************************************************ Truncates possible corrupted or extra records from a log group. */ @@ -460,6 +487,7 @@ recv_synchronize_groups( mutex_enter(&(log_sys->mutex)); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Checks the consistency of the checkpoint info */ @@ -467,8 +495,8 @@ static ibool recv_check_cp_is_consistent( /*========================*/ - /* out: TRUE if ok */ - byte* buf) /* in: buffer containing checkpoint info */ + /* out: TRUE if ok */ + const byte* buf) /* in: buffer containing checkpoint info */ { ulint fold; @@ -490,6 +518,7 @@ recv_check_cp_is_consistent( return(TRUE); } +#ifndef UNIV_HOTBACKUP /************************************************************ Looks for the maximum consistent checkpoint from the log groups. */ static @@ -590,8 +619,7 @@ not_consistent: return(DB_SUCCESS); } - -#ifdef UNIV_HOTBACKUP +#else /* !UNIV_HOTBACKUP */ /*********************************************************************** Reads the checkpoint info needed in hot backup. */ UNIV_INTERN @@ -599,7 +627,7 @@ ibool recv_read_cp_info_for_backup( /*=========================*/ /* out: TRUE if success */ - byte* hdr, /* in: buffer containing the log group + const byte* hdr, /* in: buffer containing the log group header */ ib_uint64_t* lsn, /* out: checkpoint lsn */ ulint* offset, /* out: checkpoint offset in the log group */ @@ -613,7 +641,7 @@ recv_read_cp_info_for_backup( { ulint max_cp = 0; ib_uint64_t max_cp_no = 0; - byte* cp_buf; + const byte* cp_buf; cp_buf = hdr + LOG_CHECKPOINT_1; @@ -662,7 +690,7 @@ recv_read_cp_info_for_backup( return(TRUE); } -#endif /* UNIV_HOTBACKUP */ +#endif /* !UNIV_HOTBACKUP */ /********************************************************** Checks the 4-byte checksum to the trailer checksum field of a log block. @@ -672,9 +700,10 @@ static ibool log_block_checksum_is_ok_or_old_format( /*===================================*/ - /* out: TRUE if ok, or if the log block may be in the - format of InnoDB version < 3.23.52 */ - byte* block) /* in: pointer to a log block */ + /* out: TRUE if ok, or if the log + block may be in the format of InnoDB + version < 3.23.52 */ + const byte* block) /* in: pointer to a log block */ { #ifdef UNIV_LOG_DEBUG return(TRUE); @@ -814,22 +843,103 @@ recv_parse_or_apply_log_rec_body( dict_index_t* index = NULL; page_t* page; page_zip_des_t* page_zip; +#ifdef UNIV_DEBUG + ulint page_type; +#endif /* UNIV_DEBUG */ ut_ad(!block == !mtr); if (block) { page = block->frame; page_zip = buf_block_get_page_zip(block); + ut_d(page_type = fil_page_get_type(page)); } else { page = NULL; page_zip = NULL; + ut_d(page_type = FIL_PAGE_TYPE_ALLOCATED); } switch (type) { case MLOG_1BYTE: case MLOG_2BYTES: case MLOG_4BYTES: case MLOG_8BYTES: +#ifdef UNIV_DEBUG + if (page && page_type == FIL_PAGE_TYPE_ALLOCATED + && end_ptr >= ptr + 2) { + /* It is OK to set FIL_PAGE_TYPE and certain + list node fields on an empty page. Any other + write is not OK. */ + + /* NOTE: There may be bogus assertion failures for + dict_hdr_create(), trx_rseg_header_create(), + trx_sys_create_doublewrite_buf(), and + trx_sysf_create(). + These are only called during database creation. */ + ulint offs = mach_read_from_2(ptr); + + switch (type) { + default: + ut_error; + case MLOG_2BYTES: + /* Note that this can fail when the + redo log been written with something + older than InnoDB Plugin 1.0.4. */ + ut_ad(offs == FIL_PAGE_TYPE + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_BYTE + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_BYTE + + FIL_ADDR_SIZE + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_BYTE + + 0 /*FLST_PREV*/ + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_BYTE + + FIL_ADDR_SIZE /*FLST_NEXT*/); + break; + case MLOG_4BYTES: + /* Note that this can fail when the + redo log been written with something + older than InnoDB Plugin 1.0.4. */ + ut_ad(0 + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_SPACE + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER/* flst_init */ + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_PAGE + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_PAGE + + FIL_ADDR_SIZE + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_SPACE + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_SPACE + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_PAGE + + 0 /*FLST_PREV*/ + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_PAGE + + FIL_ADDR_SIZE /*FLST_NEXT*/); + break; + } + } +#endif /* UNIV_DEBUG */ ptr = mlog_parse_nbytes(type, ptr, end_ptr, page, page_zip); break; case MLOG_REC_INSERT: case MLOG_COMP_REC_INSERT: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_REC_INSERT, @@ -842,6 +952,8 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_REC_CLUST_DELETE_MARK: case MLOG_COMP_REC_CLUST_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_REC_CLUST_DELETE_MARK, @@ -854,6 +966,7 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_COMP_REC_SEC_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); /* This log record type is obsolete, but we process it for backward compatibility with MySQL 5.0.3 and 5.0.4. */ ut_a(!page || page_is_comp(page)); @@ -864,10 +977,13 @@ recv_parse_or_apply_log_rec_body( } /* Fall through */ case MLOG_REC_SEC_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); ptr = btr_cur_parse_del_mark_set_sec_rec(ptr, end_ptr, page, page_zip); break; case MLOG_REC_UPDATE_IN_PLACE: case MLOG_COMP_REC_UPDATE_IN_PLACE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_REC_UPDATE_IN_PLACE, @@ -881,6 +997,8 @@ recv_parse_or_apply_log_rec_body( break; case MLOG_LIST_END_DELETE: case MLOG_COMP_LIST_END_DELETE: case MLOG_LIST_START_DELETE: case MLOG_COMP_LIST_START_DELETE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_LIST_END_DELETE @@ -894,6 +1012,8 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_LIST_END_COPY_CREATED: case MLOG_COMP_LIST_END_COPY_CREATED: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_LIST_END_COPY_CREATED, @@ -906,6 +1026,8 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_PAGE_REORGANIZE: case MLOG_COMP_PAGE_REORGANIZE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_PAGE_REORGANIZE, @@ -918,29 +1040,36 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_PAGE_CREATE: case MLOG_COMP_PAGE_CREATE: + /* Allow anything in page_type when creating a page. */ ut_a(!page_zip); ptr = page_parse_create(ptr, end_ptr, type == MLOG_COMP_PAGE_CREATE, block, mtr); break; case MLOG_UNDO_INSERT: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); ptr = trx_undo_parse_add_undo_rec(ptr, end_ptr, page); break; case MLOG_UNDO_ERASE_END: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); ptr = trx_undo_parse_erase_page_end(ptr, end_ptr, page, mtr); break; case MLOG_UNDO_INIT: + /* Allow anything in page_type when creating a page. */ ptr = trx_undo_parse_page_init(ptr, end_ptr, page, mtr); break; case MLOG_UNDO_HDR_DISCARD: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); ptr = trx_undo_parse_discard_latest(ptr, end_ptr, page, mtr); break; case MLOG_UNDO_HDR_CREATE: case MLOG_UNDO_HDR_REUSE: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); ptr = trx_undo_parse_page_header(type, ptr, end_ptr, page, mtr); break; case MLOG_REC_MIN_MARK: case MLOG_COMP_REC_MIN_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); /* On a compressed page, MLOG_COMP_REC_MIN_MARK will be followed by MLOG_COMP_REC_DELETE or MLOG_ZIP_WRITE_HEADER(FIL_PAGE_PREV, FIL_NULL) @@ -951,6 +1080,8 @@ recv_parse_or_apply_log_rec_body( page, mtr); break; case MLOG_REC_DELETE: case MLOG_COMP_REC_DELETE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + if (NULL != (ptr = mlog_parse_index( ptr, end_ptr, type == MLOG_COMP_REC_DELETE, @@ -963,12 +1094,15 @@ recv_parse_or_apply_log_rec_body( } break; case MLOG_IBUF_BITMAP_INIT: + /* Allow anything in page_type when creating a page. */ ptr = ibuf_parse_bitmap_init(ptr, end_ptr, block, mtr); break; case MLOG_INIT_FILE_PAGE: + /* Allow anything in page_type when creating a page. */ ptr = fsp_parse_init_file_page(ptr, end_ptr, block); break; case MLOG_WRITE_STRING: + ut_ad(!page || page_type != FIL_PAGE_TYPE_ALLOCATED); ptr = mlog_parse_string(ptr, end_ptr, page, page_zip); break; case MLOG_FILE_CREATE: @@ -978,18 +1112,22 @@ recv_parse_or_apply_log_rec_body( ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0); break; case MLOG_ZIP_WRITE_NODE_PTR: + ut_ad(!page || page_type == FIL_PAGE_INDEX); ptr = page_zip_parse_write_node_ptr(ptr, end_ptr, page, page_zip); break; case MLOG_ZIP_WRITE_BLOB_PTR: + ut_ad(!page || page_type == FIL_PAGE_INDEX); ptr = page_zip_parse_write_blob_ptr(ptr, end_ptr, page, page_zip); break; case MLOG_ZIP_WRITE_HEADER: + ut_ad(!page || page_type == FIL_PAGE_INDEX); ptr = page_zip_parse_write_header(ptr, end_ptr, page, page_zip); break; case MLOG_ZIP_PAGE_COMPRESS: + /* Allow anything in page_type when creating a page. */ ptr = page_zip_parse_compress(ptr, end_ptr, page, page_zip); break; @@ -1187,16 +1325,13 @@ lsn of a log record. This can be called when a buffer page has just been read in, or also for a page already in the buffer pool. */ UNIV_INTERN void -recv_recover_page( -/*==============*/ - ibool recover_backup, - /* in: TRUE if we are recovering a backup - page: then we do not acquire any latches - since the page was read in outside the - buffer pool */ +recv_recover_page_func( +/*===================*/ +#ifndef UNIV_HOTBACKUP ibool just_read_in, /* in: TRUE if the i/o-handler calls this for a freshly read page */ +#endif /* !UNIV_HOTBACKUP */ buf_block_t* block) /* in: buffer block */ { page_t* page; @@ -1208,7 +1343,9 @@ recv_recover_page( ib_uint64_t page_lsn; ib_uint64_t page_newest_lsn; ibool modification_to_page; +#ifndef UNIV_HOTBACKUP ibool success; +#endif /* !UNIV_HOTBACKUP */ mtr_t mtr; mutex_enter(&(recv_sys->mutex)); @@ -1248,46 +1385,42 @@ recv_recover_page( page = block->frame; - if (!recover_backup) { - if (just_read_in) { - /* Move the ownership of the x-latch on the - page to this OS thread, so that we can acquire - a second x-latch on it. This is needed for the - operations to the page to pass the debug - checks. */ +#ifndef UNIV_HOTBACKUP + if (just_read_in) { + /* Move the ownership of the x-latch on the page to + this OS thread, so that we can acquire a second + x-latch on it. This is needed for the operations to + the page to pass the debug checks. */ - rw_lock_x_lock_move_ownership(&(block->lock)); - } - - success = buf_page_get_known_nowait(RW_X_LATCH, block, - BUF_KEEP_OLD, - __FILE__, __LINE__, - &mtr); - ut_a(success); - - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + rw_lock_x_lock_move_ownership(&block->lock); } + success = buf_page_get_known_nowait(RW_X_LATCH, block, + BUF_KEEP_OLD, + __FILE__, __LINE__, + &mtr); + ut_a(success); + + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); +#endif /* !UNIV_HOTBACKUP */ + /* Read the newest modification lsn from the page */ page_lsn = mach_read_ull(page + FIL_PAGE_LSN); - if (!recover_backup) { - /* It may be that the page has been modified in the buffer - pool: read the newest modification lsn there */ +#ifndef UNIV_HOTBACKUP + /* It may be that the page has been modified in the buffer + pool: read the newest modification lsn there */ - page_newest_lsn - = buf_page_get_newest_modification(&block->page); + page_newest_lsn = buf_page_get_newest_modification(&block->page); - if (page_newest_lsn) { + if (page_newest_lsn) { - page_lsn = page_newest_lsn; - } - } else { - /* In recovery from a backup we do not really use the buffer - pool */ - - page_newest_lsn = 0; + page_lsn = page_newest_lsn; } +#else /* !UNIV_HOTBACKUP */ + /* In recovery from a backup we do not really use the buffer pool */ + page_newest_lsn = 0; +#endif /* !UNIV_HOTBACKUP */ modification_to_page = FALSE; start_lsn = end_lsn = 0; @@ -1376,11 +1509,13 @@ recv_recover_page( mutex_exit(&(recv_sys->mutex)); - if (!recover_backup && modification_to_page) { +#ifndef UNIV_HOTBACKUP + if (modification_to_page) { ut_a(block); buf_flush_recv_note_modification(block, start_lsn, end_lsn); } +#endif /* !UNIV_HOTBACKUP */ /* Make sure that committing mtr does not change the modification lsn values of page */ @@ -1390,6 +1525,7 @@ recv_recover_page( mtr_commit(&mtr); } +#ifndef UNIV_HOTBACKUP /*********************************************************************** Reads in pages which have hashed log records, from an area around a given page number. */ @@ -1514,7 +1650,7 @@ loop: buf_block_dbg_add_level( block, SYNC_NO_ORDER_CHECK); - recv_recover_page(FALSE, FALSE, block); + recv_recover_page(FALSE, block); mtr_commit(&mtr); } else { recv_read_in_area(space, zip_size, @@ -1586,8 +1722,7 @@ loop: mutex_exit(&(recv_sys->mutex)); } - -#ifdef UNIV_HOTBACKUP +#else /* !UNIV_HOTBACKUP */ /*********************************************************************** Applies log records in the hash table to a backup. */ UNIV_INTERN @@ -1606,7 +1741,7 @@ recv_apply_log_recs_for_backup(void) recv_sys->apply_log_recs = TRUE; recv_sys->apply_batch_on = TRUE; - block = buf_LRU_get_free_block(UNIV_PAGE_SIZE); + block = back_block1; fputs("InnoDB: Starting an apply batch of log records" " to the database...\n" @@ -1674,6 +1809,10 @@ recv_apply_log_recs_for_backup(void) recv_addr->space, zip_size, recv_addr->page_no, 0, zip_size, block->page.zip.data, NULL); + if (error == DB_SUCCESS + && !buf_zip_decompress(block, TRUE)) { + exit(1); + } } else { error = fil_io(OS_FILE_READ, TRUE, recv_addr->space, 0, @@ -1694,7 +1833,7 @@ recv_apply_log_recs_for_backup(void) } /* Apply the log records to this page */ - recv_recover_page(TRUE, FALSE, block); + recv_recover_page(FALSE, block); /* Write the page back to the tablespace file using the fil0fil.c routines */ @@ -1728,10 +1867,9 @@ skip_this_recv_addr: } } - buf_block_free(block); recv_sys_empty_hash(); } -#endif /* UNIV_HOTBACKUP */ +#endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Tries to parse a single log record and returns its length. */ @@ -2159,7 +2297,7 @@ ibool recv_sys_add_to_parsing_buf( /*========================*/ /* out: TRUE if more data added */ - byte* log_block, /* in: log block */ + const byte* log_block, /* in: log block */ ib_uint64_t scanned_lsn) /* in: lsn of how far we were able to find data in this log block */ { @@ -2242,8 +2380,10 @@ recv_sys_justify_left_parsing_buf(void) } /*********************************************************** -Scans log from a buffer and stores new log data to the parsing buffer. Parses -and hashes the log records if new data found. */ +Scans log from a buffer and stores new log data to the parsing buffer. +Parses and hashes the log records if new data found. Unless +UNIV_HOTBACKUP is defined, this function will apply log records +automatically when the hash table becomes full. */ UNIV_INTERN ibool recv_scan_log_recs( @@ -2251,20 +2391,14 @@ recv_scan_log_recs( /* out: TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ - ibool apply_automatically,/* in: TRUE if we want this - function to apply log records - automatically when the hash table - becomes full; in the hot backup tool - the tool does the applying, not this - function */ ulint available_memory,/* in: we let the hash table of recs to grow to this size, at the maximum */ ibool store_to_hash, /* in: TRUE if the records should be stored to the hash table; this is set to FALSE if just debug checking is needed */ - byte* buf, /* in: buffer containing a log segment - or garbage */ + const byte* buf, /* in: buffer containing a log + segment or garbage */ ulint len, /* in: buffer length */ ib_uint64_t start_lsn, /* in: buffer start lsn */ ib_uint64_t* contiguous_lsn, /* in/out: it is known that all log @@ -2273,7 +2407,7 @@ recv_scan_log_recs( ib_uint64_t* group_scanned_lsn)/* out: scanning succeeded up to this lsn */ { - byte* log_block; + const byte* log_block; ulint no; ib_uint64_t scanned_lsn; ibool finished; @@ -2283,7 +2417,6 @@ recv_scan_log_recs( ut_ad(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); ut_ad(len % OS_FILE_LOG_BLOCK_SIZE == 0); ut_ad(len > 0); - ut_a(apply_automatically <= TRUE); ut_a(store_to_hash <= TRUE); finished = FALSE; @@ -2384,6 +2517,7 @@ recv_scan_log_recs( of startup type, we must initiate crash recovery environment before parsing these log records. */ +#ifndef UNIV_HOTBACKUP if (recv_log_scan_is_startup_type && !recv_needed_recovery) { @@ -2393,6 +2527,7 @@ recv_scan_log_recs( recv_sys->scanned_lsn); recv_init_crash_recovery(); } +#endif /* !UNIV_HOTBACKUP */ /* We were able to find more log data: add it to the parsing buffer if parse_start_lsn is already @@ -2446,9 +2581,9 @@ recv_scan_log_recs( recv_parse_log_recs(store_to_hash); +#ifndef UNIV_HOTBACKUP if (store_to_hash && mem_heap_get_size(recv_sys->heap) - > available_memory - && apply_automatically) { + > available_memory) { /* Hash table of log records has grown too big: empty it; FALSE means no ibuf operations @@ -2458,6 +2593,7 @@ recv_scan_log_recs( recv_apply_hashed_log_recs(FALSE); } +#endif /* !UNIV_HOTBACKUP */ if (recv_sys->recovered_offset > RECV_PARSING_BUF_SIZE / 4) { /* Move parsing buffer data to the buffer start */ @@ -2469,6 +2605,7 @@ recv_scan_log_recs( return(finished); } +#ifndef UNIV_HOTBACKUP /*********************************************************** Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. */ @@ -2498,7 +2635,7 @@ recv_group_scan_log_recs( group, start_lsn, end_lsn); finished = recv_scan_log_recs( - TRUE, (buf_pool->curr_size - recv_n_pool_free_frames) + (buf_pool->curr_size - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, TRUE, log_sys->buf, RECV_SCAN_SIZE, start_lsn, contiguous_lsn, group_scanned_lsn); start_lsn = end_lsn; @@ -2601,7 +2738,7 @@ recv_recovery_from_checkpoint_start_func( if (TYPE_CHECKPOINT) { recv_sys_create(); - recv_sys_init(FALSE, buf_pool_get_curr_size()); + recv_sys_init(buf_pool_get_curr_size()); } if (srv_force_recovery >= SRV_FORCE_NO_LOG_REDO) { @@ -3062,6 +3199,7 @@ recv_reset_logs( mutex_enter(&(log_sys->mutex)); } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP /********************************************************** @@ -3321,7 +3459,7 @@ ask_again: read_offset % UNIV_PAGE_SIZE, len, buf, NULL); ret = recv_scan_log_recs( - TRUE, (buf_pool->n_frames - recv_n_pool_free_frames) + (buf_pool->n_frames - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, TRUE, buf, len, start_lsn, &dummy_lsn, &scanned_lsn); @@ -3373,7 +3511,7 @@ recv_recovery_from_archive_start( ut_a(0); recv_sys_create(); - recv_sys_init(FALSE, buf_pool_get_curr_size()); + recv_sys_init(buf_pool_get_curr_size()); recv_recovery_on = TRUE; recv_recovery_from_backup_on = TRUE; diff --git a/mach/mach0data.c b/mach/mach0data.c index 928c433ec29..5deb475318d 100644 --- a/mach/mach0data.c +++ b/mach/mach0data.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************** Utilities for converting data from the database file to the machine format. -(c) 1995 Innobase Oy - Created 11/28/1995 Heikki Tuuri ***********************************************************************/ diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index 079355ac49b..ceaab6ae85e 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -1,17 +1,35 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The memory management: the debug code. This is not a compilation module, but is included in mem0mem.* ! -(c) 1994, 1995 Innobase Oy - Created 6/9/1994 Heikki Tuuri *************************************************************************/ #ifdef UNIV_MEM_DEBUG +# ifndef UNIV_HOTBACKUP /* The mutex which protects in the debug version the hash table containing the list of live memory heaps, and also the global variables below. */ UNIV_INTERN mutex_t mem_hash_mutex; +# endif /* !UNIV_HOTBACKUP */ /* The following variables contain information about the extent of memory allocations. Only used in the debug version. @@ -22,7 +40,10 @@ static ulint mem_n_allocations = 0; static ulint mem_total_allocated_memory = 0; UNIV_INTERN ulint mem_current_allocated_memory = 0; static ulint mem_max_allocated_memory = 0; +# ifndef UNIV_HOTBACKUP static ulint mem_last_print_info = 0; +static ibool mem_hash_initialized = FALSE; +# endif /* !UNIV_HOTBACKUP */ /* Size of the hash table for memory management tracking */ #define MEM_HASH_SIZE 997 @@ -49,7 +70,6 @@ static mem_hash_cell_t mem_hash_table[MEM_HASH_SIZE]; /* The base node of the list of all allocated heaps */ static mem_hash_cell_t mem_all_list_base; -static ibool mem_hash_initialized = FALSE; UNIV_INLINE @@ -112,6 +132,7 @@ mem_field_trailer_get_check(byte* field) } #endif /* UNIV_MEM_DEBUG */ +#ifndef UNIV_HOTBACKUP /********************************************************************** Initializes the memory system. */ UNIV_INTERN @@ -138,8 +159,17 @@ mem_init( mem_hash_initialized = TRUE; #endif + if (UNIV_LIKELY(srv_use_sys_malloc)) { + /* When innodb_use_sys_malloc is set, the + mem_comm_pool won't be used for any allocations. We + create a dummy mem_comm_pool, because some statistics + and debugging code relies on it being initialized. */ + size = 1; + } + mem_comm_pool = mem_pool_create(size); } +#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_MEM_DEBUG /********************************************************************** @@ -659,8 +689,9 @@ mem_all_freed(void) mutex_exit(&mem_hash_mutex); if (heap_count == 0) { - +# ifndef UNIV_HOTBACKUP ut_a(mem_pool_get_reserved(mem_comm_pool) == 0); +# endif /* !UNIV_HOTBACKUP */ return(TRUE); } else { @@ -685,7 +716,9 @@ mem_validate_no_assert(void) ulint n_blocks; ulint i; +# ifndef UNIV_HOTBACKUP mem_pool_validate(mem_comm_pool); +# endif /* !UNIV_HOTBACKUP */ mutex_enter(&mem_hash_mutex); @@ -863,6 +896,7 @@ mem_analyze_corruption( } } +#ifndef UNIV_HOTBACKUP /********************************************************************* Prints information of dynamic memory usage and currently allocated memory heaps or buffers. Can only be used in the debug version. */ @@ -988,3 +1022,4 @@ mem_print_new_info(void) { mem_print_info_low(FALSE); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 1d92713d702..1b4e0b91673 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -1,19 +1,34 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The memory management -(c) 1994, 1995 Innobase Oy - Created 6/9/1994 Heikki Tuuri *************************************************************************/ - #include "mem0mem.h" #ifdef UNIV_NONINL #include "mem0mem.ic" #endif -#include "mach0data.h" #include "buf0buf.h" +#include "srv0srv.h" #include "mem0dbg.c" #include @@ -316,7 +331,9 @@ mem_heap_create_block( const char* file_name,/* in: file name where created */ ulint line) /* in: line where created */ { +#ifndef UNIV_HOTBACKUP buf_block_t* buf_block = NULL; +#endif /* !UNIV_HOTBACKUP */ mem_block_t* block; ulint len; @@ -330,6 +347,7 @@ mem_heap_create_block( /* In dynamic allocation, calculate the size: block header + data. */ len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); +#ifndef UNIV_HOTBACKUP if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { ut_ad(type == MEM_HEAP_DYNAMIC || n <= MEM_MAX_ALLOC_IN_BUF); @@ -359,6 +377,13 @@ mem_heap_create_block( ut_ad(block); block->buf_block = buf_block; + block->free_block = NULL; +#else /* !UNIV_HOTBACKUP */ + len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); + block = ut_malloc(len); + ut_ad(block); +#endif /* !UNIV_HOTBACKUP */ + block->magic_n = MEM_BLOCK_MAGIC_N; ut_strlcpy_rev(block->file_name, file_name, sizeof(block->file_name)); block->line = line; @@ -380,8 +405,6 @@ mem_heap_create_block( mem_block_set_free(block, MEM_BLOCK_HEADER_SIZE); mem_block_set_start(block, MEM_BLOCK_HEADER_SIZE); - block->free_block = NULL; - ut_ad((ulint)MEM_BLOCK_HEADER_SIZE < len); return(block); @@ -454,7 +477,9 @@ mem_heap_block_free( { ulint type; ulint len; - buf_block_t* buf_block; +#ifndef UNIV_HOTBACKUP + buf_block_t* buf_block = block->buf_block; +#endif /* !UNIV_HOTBACKUP */ if (block->magic_n != MEM_BLOCK_MAGIC_N) { mem_analyze_corruption(block); @@ -471,7 +496,6 @@ mem_heap_block_free( #endif type = heap->type; len = block->len; - buf_block = block->buf_block; block->magic_n = MEM_FREED_BLOCK_MAGIC_N; #ifdef UNIV_MEM_DEBUG @@ -483,6 +507,7 @@ mem_heap_block_free( UNIV_MEM_ASSERT_AND_FREE(block, len); #endif /* UNIV_MEM_DEBUG */ +#ifndef UNIV_HOTBACKUP if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { ut_ad(!buf_block); @@ -492,8 +517,12 @@ mem_heap_block_free( buf_block_free(buf_block); } +#else /* !UNIV_HOTBACKUP */ + ut_free(block); +#endif /* !UNIV_HOTBACKUP */ } +#ifndef UNIV_HOTBACKUP /********************************************************************** Frees the free_block field from a memory heap. */ UNIV_INTERN @@ -509,6 +538,7 @@ mem_heap_free_block_free( heap->free_block = NULL; } } +#endif /* !UNIV_HOTBACKUP */ #ifdef MEM_PERIODIC_CHECK /********************************************************************** diff --git a/mem/mem0pool.c b/mem/mem0pool.c index 60feb5008f6..8ff87e9da64 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The lowest-level memory management -(c) 1997 Innobase Oy - Created 5/12/1997 Heikki Tuuri *************************************************************************/ @@ -193,8 +209,6 @@ mem_pool_create( ulint i; ulint used; - ut_a(size > 10000); - pool = ut_malloc(sizeof(mem_pool_t)); /* We do not set the memory to zero (FALSE) in the pool, @@ -339,7 +353,7 @@ mem_area_alloc( /* If we are using os allocator just make a simple call to malloc */ - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { return(malloc(*psize)); } @@ -477,7 +491,7 @@ mem_area_free( ulint size; ulint n; - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { free(ptr); return; @@ -610,7 +624,8 @@ mem_pool_validate( for (i = 0; i < 64; i++) { - UT_LIST_VALIDATE(free_list, mem_area_t, pool->free_list[i]); + UT_LIST_VALIDATE(free_list, mem_area_t, pool->free_list[i], + (void) 0); area = UT_LIST_GET_FIRST(pool->free_list[i]); diff --git a/mtr/mtr0log.c b/mtr/mtr0log.c index 4ddae293a68..d21a7cacd34 100644 --- a/mtr/mtr0log.c +++ b/mtr/mtr0log.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction log routines -(c) 1995 Innobase Oy - Created 12/7/1995 Heikki Tuuri *******************************************************/ @@ -13,10 +29,13 @@ Created 12/7/1995 Heikki Tuuri #endif #include "buf0buf.h" -#include "dict0boot.h" +#include "dict0dict.h" #include "log0recv.h" #include "page0page.h" +#ifndef UNIV_HOTBACKUP +# include "dict0boot.h" + /************************************************************ Catenates n bytes to the mtr log. */ UNIV_INTERN @@ -70,6 +89,7 @@ mlog_write_initial_log_record( mlog_close(mtr, log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Parses an initial log record written by mlog_write_initial_log_record. */ @@ -220,6 +240,7 @@ mlog_parse_nbytes( return(ptr); } +#ifndef UNIV_HOTBACKUP /************************************************************ Writes 1 - 4 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -358,6 +379,7 @@ mlog_log_string( mlog_catenate_string(mtr, ptr, len); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Parses a log record written by mlog_write_string. */ @@ -410,6 +432,7 @@ mlog_parse_string( return(ptr + len); } +#ifndef UNIV_HOTBACKUP /************************************************************ Opens a buffer for mlog, writes the initial log record and, if needed, the field lengths of an index. */ @@ -507,6 +530,7 @@ mlog_open_and_write_index( } return(log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Parses a log record written by mlog_open_and_write_index. */ diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index da474c146bf..bfd245e9aa1 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mini-transaction buffer -(c) 1995 Innobase Oy - Created 11/26/1995 Heikki Tuuri *******************************************************/ @@ -17,6 +33,7 @@ Created 11/26/1995 Heikki Tuuri #include "mtr0log.h" #include "log0log.h" +#ifndef UNIV_HOTBACKUP /********************************************************************* Releases the item in the slot given. */ UNIV_INLINE @@ -144,6 +161,7 @@ mtr_log_reserve_and_write( mtr->end_lsn = log_close(); } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Commits a mini-transaction. */ @@ -153,13 +171,16 @@ mtr_commit( /*=======*/ mtr_t* mtr) /* in: mini-transaction */ { +#ifndef UNIV_HOTBACKUP ibool write_log; +#endif /* !UNIV_HOTBACKUP */ ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); ut_ad(mtr->state == MTR_ACTIVE); ut_d(mtr->state = MTR_COMMITTING); +#ifndef UNIV_HOTBACKUP write_log = mtr->modifications && mtr->n_log_recs; if (write_log) { @@ -179,12 +200,14 @@ mtr_commit( if (write_log) { log_release(); } +#endif /* !UNIV_HOTBACKUP */ ut_d(mtr->state = MTR_COMMITTED); dyn_array_free(&(mtr->memo)); dyn_array_free(&(mtr->log)); } +#ifndef UNIV_HOTBACKUP /************************************************************** Releases the latches stored in an mtr memo down to a savepoint. NOTE! The mtr must not have made changes to buffer pages after the @@ -254,6 +277,7 @@ mtr_memo_release( } } } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Reads 1 - 4 bytes from a file page buffered in the buffer pool. */ @@ -298,6 +322,7 @@ mtr_read_dulint( } #ifdef UNIV_DEBUG +# ifndef UNIV_HOTBACKUP /************************************************************** Checks if memo contains the given page. */ UNIV_INTERN @@ -326,4 +351,5 @@ mtr_print( (ulong) dyn_array_get_data_size(&(mtr->memo)), (ulong) dyn_array_get_data_size(&(mtr->log))); } +# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG */ diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index 589bf2f30b0..ade4db35ce6 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -471,10 +471,9 @@ SHOW VARIABLES LIKE "%auto_inc%"; Variable_name Value auto_increment_increment 2 auto_increment_offset 10 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); SELECT * FROM t1; c1 -0 1 18446744073709551603 18446744073709551604 @@ -505,12 +504,13 @@ SHOW VARIABLES LIKE "%auto_inc%"; Variable_name Value auto_increment_increment 5 auto_increment_offset 7 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -Got one of the listed errors +INSERT INTO t1 VALUES (NULL),(NULL); SELECT * FROM t1; c1 1 18446744073709551603 +18446744073709551607 +18446744073709551612 DROP TABLE t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; SET @@INSERT_ID=1; @@ -572,12 +572,298 @@ SHOW VARIABLES LIKE "%auto_inc%"; Variable_name Value auto_increment_increment 65535 auto_increment_offset 65535 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +INSERT INTO t1 VALUES (NULL); SELECT * FROM t1; c1 1 -65534 -65535 18446744073709551610 18446744073709551615 DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +3 3 +4 4 +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +3 3 +4 4 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +DROP TABLE IF EXISTS t2; +Warnings: +Note 1051 Unknown table 't2' +CREATE TABLE t1 ( +a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, +b INT(10) UNSIGNED NOT NULL, +c ENUM('FALSE','TRUE') DEFAULT NULL, +PRIMARY KEY (a)) ENGINE = InnoDB; +CREATE TABLE t2 ( +m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, +n INT(10) UNSIGNED NOT NULL, +o enum('FALSE','TRUE') DEFAULT NULL, +PRIMARY KEY (m)) ENGINE = InnoDB; +INSERT INTO t2 (n,o) VALUES +(1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), +(3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `m` int(11) unsigned NOT NULL AUTO_INCREMENT, + `n` int(10) unsigned NOT NULL, + `o` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`m`) +) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +30 1 FALSE +31 2 FALSE +32 3 FALSE +33 4 FALSE +34 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +30 1 FALSE +31 2 FALSE +32 3 FALSE +33 4 FALSE +34 5 FALSE +37 1 FALSE +38 2 FALSE +39 3 FALSE +40 4 FALSE +41 5 FALSE +44 1 FALSE +45 2 FALSE +46 3 FALSE +47 4 FALSE +48 5 FALSE +51 1 FALSE +52 2 FALSE +53 3 FALSE +54 4 FALSE +55 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE t2; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +DROP TABLE IF EXISTS t2; +Warnings: +Note 1051 Unknown table 't2' +CREATE TABLE t1( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT +PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +CREATE TABLE t2( +c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT +PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t2 SELECT c1 FROM t1; +Got one of the listed errors +INSERT INTO t2 SELECT NULL FROM t1; +Got one of the listed errors +DROP TABLE t1; +DROP TABLE t2; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index 172913349db..d76b29a7dc8 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -23,7 +23,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (127, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -31,7 +30,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (255, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -41,7 +39,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (32767, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -49,7 +46,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (65535, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -59,7 +55,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (8388607, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -67,7 +62,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (16777215, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -77,7 +71,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (2147483647, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -94,7 +87,6 @@ DROP TABLE t1; CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (9223372036854775807, null); -- error ER_DUP_ENTRY,1062 --- warning ER_WARN_DATA_OUT_OF_RANGE,1264 INSERT INTO t1 (c2) VALUES ('innodb'); SELECT * FROM t1; DROP TABLE t1; @@ -276,7 +268,7 @@ CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; # TODO: Fix the autoinc init code # We have to do this because of a bug in the AUTOINC init code. INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (9223372036854775794); -- 2^63 - 14 +INSERT INTO t1 VALUES (9223372036854775794); #-- 2^63 - 14 SELECT * FROM t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; SHOW VARIABLES LIKE "%auto_inc%"; @@ -295,14 +287,25 @@ CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=Inno # TODO: Fix the autoinc init code # We have to do this because of a bug in the AUTOINC init code. INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -- 2^64 - 13 +INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 SELECT * FROM t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; SHOW VARIABLES LIKE "%auto_inc%"; # This should fail because of overflow but it doesn't, it seems to be # a MySQL server bug. It wraps around to 0 for the last value. # See MySQL Bug# 39828 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +# +# Instead of wrapping around, it asserts when MySQL is compiled --with-debug +# (see sql/handler.cc:handler::update_auto_increment()). Don't test for +# overflow until Bug #39828 is fixed. +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +#INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +#else +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +#endif SELECT * FROM t1; DROP TABLE t1; @@ -316,7 +319,7 @@ CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=Inno # TODO: Fix the autoinc init code # We have to do this because of a bug in the AUTOINC init code. INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -- 2^64 - 13 +INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 SELECT * FROM t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; SHOW VARIABLES LIKE "%auto_inc%"; @@ -324,8 +327,16 @@ SHOW VARIABLES LIKE "%auto_inc%"; # a duplicate entry message because of a MySQL server bug, it wraps # around. See MySQL Bug# 39828, once MySQL fix the bug we can replace # the ER_DUP_ENTRY, 1062 below with the appropriate error message --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +# Still need to fix this error code, error should mention overflow +#-- error ER_DUP_ENTRY,1062 +#INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +#else +INSERT INTO t1 VALUES (NULL),(NULL); +#endif SELECT * FROM t1; DROP TABLE t1; @@ -339,9 +350,9 @@ CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; # TODO: Fix the autoinc init code # We have to do this because of a bug in the AUTOINC init code. INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(-9223372036854775806); -- -2^63 + 2 -INSERT INTO t1 VALUES(-9223372036854775807); -- -2^63 + 1 -INSERT INTO t1 VALUES(-9223372036854775808); -- -2^63 +INSERT INTO t1 VALUES(-9223372036854775806); #-- -2^63 + 2 +INSERT INTO t1 VALUES(-9223372036854775807); #-- -2^63 + 1 +INSERT INTO t1 VALUES(-9223372036854775808); #-- -2^63 SELECT * FROM t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; SHOW VARIABLES LIKE "%auto_inc%"; @@ -359,7 +370,7 @@ CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=Inno # TODO: Fix the autoinc init code # We have to do this because of a bug in the AUTOINC init code. INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551610); -- 2^64 - 2 +INSERT INTO t1 VALUES (18446744073709551610); #-- 2^64 - 2 SELECT * FROM t1; SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; SHOW VARIABLES LIKE "%auto_inc%"; @@ -368,6 +379,102 @@ SHOW VARIABLES LIKE "%auto_inc%"; # See MySQL Bug# 39828, once MySQL fix the bug we can enable the error # code expected test. # -- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +#-- error ER_AUTOINC_READ_FAILED,1467 +#INSERT INTO t1 VALUES (NULL),(NULL); +#else +INSERT INTO t1 VALUES (NULL); +#endif SELECT * FROM t1; DROP TABLE t1; + +# +# Check for floating point autoinc column handling +# +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Bug# 42714: AUTOINC column calculated next value not greater than highest +# value stored in table. +# +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +CREATE TABLE t1 ( + a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, + b INT(10) UNSIGNED NOT NULL, + c ENUM('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (a)) ENGINE = InnoDB; +CREATE TABLE t2 ( + m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, + n INT(10) UNSIGNED NOT NULL, + o enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (m)) ENGINE = InnoDB; +INSERT INTO t2 (n,o) VALUES + (1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), + (3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); +SHOW CREATE TABLE t2; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +DROP TABLE t2; +# +# 43203: Overflow from auto incrementing causes server segv +# + +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +CREATE TABLE t1( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT + PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +CREATE TABLE t2( + c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT + PRIMARY KEY) ENGINE=InnoDB; +-- error ER_DUP_ENTRY,1062 +INSERT INTO t2 SELECT c1 FROM t1; +-- error ER_DUP_ENTRY,1467 +INSERT INTO t2 SELECT NULL FROM t1; +DROP TABLE t1; +DROP TABLE t2; diff --git a/mysql-test/innodb-semi-consistent.result b/mysql-test/innodb-semi-consistent.result index 55e3cb5c7b4..ca0e362ef80 100644 --- a/mysql-test/innodb-semi-consistent.result +++ b/mysql-test/innodb-semi-consistent.result @@ -38,3 +38,10 @@ a 11 7 drop table t1; +create table t1 (a int, b int) engine=myisam; +create table t2 (c int, d int, key (c)) engine=innodb; +insert into t1 values (1,1); +insert into t2 values (1,2); +set session transaction isolation level read committed; +delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); +drop table t1, t2; diff --git a/mysql-test/innodb-semi-consistent.test b/mysql-test/innodb-semi-consistent.test index 6d3020bb560..61ad7815ca9 100644 --- a/mysql-test/innodb-semi-consistent.test +++ b/mysql-test/innodb-semi-consistent.test @@ -53,3 +53,16 @@ drop table t1; connection default; disconnect a; disconnect b; + +# Bug 39320 +create table t1 (a int, b int) engine=myisam; +create table t2 (c int, d int, key (c)) engine=innodb; +insert into t1 values (1,1); +insert into t2 values (1,2); +connect (a,localhost,root,,); +connection a; +set session transaction isolation level read committed; +delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); +connection default; +disconnect a; +drop table t1, t2; diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index fab681c5ed3..c81401743a5 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -419,6 +419,3 @@ select @@innodb_file_format_check; @@innodb_file_format_check Barracuda drop table normal_table, zip_table; -set global innodb_file_format=Antelope; -set global innodb_file_per_table=0; -set global innodb_file_format_check=Antelope; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index 9867af89e73..ddc39d44487 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -337,6 +337,7 @@ drop table normal_table, zip_table; # restore environment to the state it was before this test execution # +-- disable_query_log eval set global innodb_file_format=$format; eval set global innodb_file_per_table=$per_table; eval set global innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index d84878cac21..385084fb457 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -1783,7 +1783,7 @@ Variable_name Value innodb_sync_spin_loops 20 show variables like "innodb_thread_concurrency"; Variable_name Value -innodb_thread_concurrency 8 +innodb_thread_concurrency 0 set global innodb_thread_concurrency=1001; Warnings: Warning 1292 Truncated incorrect thread_concurrency value: '1001' diff --git a/mysql-test/patches/bug32625.diff b/mysql-test/patches/bug32625.diff deleted file mode 100644 index dcedcb1fa79..00000000000 --- a/mysql-test/patches/bug32625.diff +++ /dev/null @@ -1,10 +0,0 @@ ---- mysql-test/t/type_bit_innodb.test.orig 2008-10-07 11:32:32.000000000 +0300 -+++ mysql-test/t/type_bit_innodb.test 2008-10-07 11:56:40.000000000 +0300 -@@ -40,6 +40,7 @@ - create table t1 (a bit) engine=innodb; - insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001'); - select hex(a) from t1; -+--replace_regex /entry '(.*)' for/entry '' for/ - --error ER_DUP_ENTRY - alter table t1 add unique (a); - drop table t1; diff --git a/mysql-test/patches/bug41893.diff b/mysql-test/patches/bug41893.diff deleted file mode 100644 index f42f4ae71cb..00000000000 --- a/mysql-test/patches/bug41893.diff +++ /dev/null @@ -1,87 +0,0 @@ -=== modified file 'mysql-test/r/variables.result' ---- mysql-test/r/variables.result 2008-11-27 10:50:28 +0000 -+++ mysql-test/r/variables.result 2009-01-06 07:33:27 +0000 -@@ -297,14 +297,14 @@ - select ROUND(RAND(),5); - ROUND(RAND(),5) - 0.02887 --show variables like '%alloc%'; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); - Variable_name Value - query_alloc_block_size 8192 - query_prealloc_size 8192 - range_alloc_block_size 4096 - transaction_alloc_block_size 8192 - transaction_prealloc_size 4096 --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - VARIABLE_NAME VARIABLE_VALUE - QUERY_ALLOC_BLOCK_SIZE 8192 - QUERY_PREALLOC_SIZE 8192 -@@ -319,14 +319,14 @@ - select @@query_alloc_block_size; - @@query_alloc_block_size - 17408 --show variables like '%alloc%'; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); - Variable_name Value - query_alloc_block_size 17408 - query_prealloc_size 18432 - range_alloc_block_size 16384 - transaction_alloc_block_size 19456 - transaction_prealloc_size 20480 --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - VARIABLE_NAME VARIABLE_VALUE - QUERY_ALLOC_BLOCK_SIZE 17408 - QUERY_PREALLOC_SIZE 18432 -@@ -336,14 +336,14 @@ - set @@range_alloc_block_size=default; - set @@query_alloc_block_size=default, @@query_prealloc_size=default; - set transaction_alloc_block_size=default, @@transaction_prealloc_size=default; --show variables like '%alloc%'; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); - Variable_name Value - query_alloc_block_size 8192 - query_prealloc_size 8192 - range_alloc_block_size 4096 - transaction_alloc_block_size 8192 - transaction_prealloc_size 4096 --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - VARIABLE_NAME VARIABLE_VALUE - QUERY_ALLOC_BLOCK_SIZE 8192 - QUERY_PREALLOC_SIZE 8192 - -=== modified file 'mysql-test/t/variables.test' ---- mysql-test/t/variables.test 2008-11-27 10:50:28 +0000 -+++ mysql-test/t/variables.test 2009-01-06 07:28:12 +0000 -@@ -172,21 +172,21 @@ - set @@rand_seed1=10000000,@@rand_seed2=1000000; - select ROUND(RAND(),5); - --show variables like '%alloc%'; --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - set @@range_alloc_block_size=1024*16; - set @@query_alloc_block_size=1024*17+2; - set @@query_prealloc_size=1024*18; - set @@transaction_alloc_block_size=1024*20-1; - set @@transaction_prealloc_size=1024*21-1; - select @@query_alloc_block_size; --show variables like '%alloc%'; --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - set @@range_alloc_block_size=default; - set @@query_alloc_block_size=default, @@query_prealloc_size=default; - set transaction_alloc_block_size=default, @@transaction_prealloc_size=default; --show variables like '%alloc%'; --select * from information_schema.session_variables where variable_name like '%alloc%' order by 1; -+show variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size'); -+select * from information_schema.session_variables where variable_name in ('query_alloc_block_size', 'query_prealloc_size', 'range_alloc_block_size', 'transaction_alloc_block_size', 'transaction_prealloc_size') order by 1; - - # - # Bug #10904 Illegal mix of collations between - diff --git a/mysql-test/patches/innodb_thread_concurrency_basic.diff b/mysql-test/patches/innodb_thread_concurrency_basic.diff new file mode 100644 index 00000000000..72e5457905f --- /dev/null +++ b/mysql-test/patches/innodb_thread_concurrency_basic.diff @@ -0,0 +1,31 @@ +--- mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result.orig 2008-12-04 18:45:52 -06:00 ++++ mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result 2009-02-12 02:05:48 -06:00 +@@ -1,19 +1,19 @@ + SET @global_start_value = @@global.innodb_thread_concurrency; + SELECT @global_start_value; + @global_start_value +-8 ++0 + '#--------------------FN_DYNVARS_046_01------------------------#' + SET @@global.innodb_thread_concurrency = 0; + SET @@global.innodb_thread_concurrency = DEFAULT; + SELECT @@global.innodb_thread_concurrency; + @@global.innodb_thread_concurrency +-8 ++0 + '#---------------------FN_DYNVARS_046_02-------------------------#' + SET innodb_thread_concurrency = 1; + ERROR HY000: Variable 'innodb_thread_concurrency' is a GLOBAL variable and should be set with SET GLOBAL + SELECT @@innodb_thread_concurrency; + @@innodb_thread_concurrency +-8 ++0 + SELECT local.innodb_thread_concurrency; + ERROR 42S02: Unknown table 'local' in field list + SET global innodb_thread_concurrency = 0; +@@ -93,4 +93,4 @@ + SET @@global.innodb_thread_concurrency = @global_start_value; + SELECT @@global.innodb_thread_concurrency; + @@global.innodb_thread_concurrency +-8 ++0 diff --git a/mysql-test/patches/partition_innodb.diff b/mysql-test/patches/partition_innodb.diff new file mode 100644 index 00000000000..01bc073008e --- /dev/null +++ b/mysql-test/patches/partition_innodb.diff @@ -0,0 +1,59 @@ +The partition_innodb test only fails if run immediately after innodb_trx_weight. +The reason for this failure is that innodb_trx_weight creates deadlocks and +leaves something like this in the SHOW ENGINE INNODB STATUS output: + + ------------------------ + LATEST DETECTED DEADLOCK + ------------------------ + 090213 10:26:25 + *** (1) TRANSACTION: + TRANSACTION 313, ACTIVE 0 sec, OS thread id 13644672 inserting + mysql tables in use 1, locked 1 + LOCK WAIT 4 lock struct(s), heap size 488, 3 row lock(s) + MySQL thread id 3, query id 36 localhost root update + +The regular expressions that partition_innodb is using are intended to extract +the lock structs and row locks numbers from another part of the output: + + ------------ + TRANSACTIONS + ------------ + Trx id counter 31D + Purge done for trx's n:o < 0 undo n:o < 0 + History list length 4 + LIST OF TRANSACTIONS FOR EACH SESSION: + ---TRANSACTION 0, not started, OS thread id 13645056 + 0 lock struct(s), heap size 488, 0 row lock(s) + MySQL thread id 8, query id 81 localhost root + +In the InnoDB Plugin a transaction id is not printed as 2 consecutive +decimal integers (as it is in InnoDB 5.1) but rather as a single +hexadecimal integer. Thus the regular expressions somehow pick the wrong +part of the SHOW ENGINE INNODB STATUS output. + +So after the regular expressions are adjusted to the InnoDB Plugin's variant +of trx_id prinout, then they pick the expected part of the output. + +This patch cannot be proposed to MySQL because the failures occur only +in this tree and do not occur in the standard InnoDB 5.1. + +--- mysql-test/t/partition_innodb.test 2008-11-14 22:51:17 +0000 ++++ mysql-test/t/partition_innodb.test 2009-02-13 07:36:07 +0000 +@@ -27,14 +27,14 @@ + + # grouping/referencing in replace_regex is very slow on long strings, + # removing all before/after the interesting row before grouping/referencing +---replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ ++--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ + SHOW ENGINE InnoDB STATUS; + + UPDATE t1 SET data = data*2 WHERE data = 2; + + # grouping/referencing in replace_regex is very slow on long strings, + # removing all before/after the interesting row before grouping/referencing +---replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ ++--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ + SHOW ENGINE InnoDB STATUS; + + SET @@session.tx_isolation = @old_tx_isolation; + diff --git a/os/os0file.c b/os/os0file.c index e68f4582386..312d0a58b62 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -1,26 +1,44 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system file i/o primitives -(c) 1995 Innobase Oy - Created 10/21/1995 Heikki Tuuri *******************************************************/ #include "os0file.h" -#include "os0sync.h" -#include "os0thread.h" #include "ut0mem.h" #include "srv0srv.h" #include "srv0start.h" #include "fil0fil.h" #include "buf0buf.h" - -#if defined(UNIV_HOTBACKUP) && defined(__WIN__) +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" +# include "os0thread.h" +#else /* !UNIV_HOTBACKUP */ +# ifdef __WIN__ /* Add includes for the _stat() call to compile on Windows */ -#include -#include -#include -#endif /* UNIV_HOTBACKUP */ +# include +# include +# include +# endif /* __WIN__ */ +#endif /* !UNIV_HOTBACKUP */ #if defined(LINUX_NATIVE_AIO) #include @@ -45,6 +63,7 @@ UNIV_INTERN ibool os_do_not_call_flush_at_each_write = FALSE; /* We do not call os_file_flush in every os_file_write. */ #endif /* UNIV_DO_FLUSH */ +#ifndef UNIV_HOTBACKUP /* We use these mutexes to protect lseek + file i/o operation, if the OS does not provide an atomic pread or pwrite, or similar */ #define OS_FILE_N_SEEK_MUTEXES 16 @@ -222,6 +241,7 @@ static ulint os_aio_n_segments = ULINT_UNDEFINED; /* If the following is TRUE, read i/o handler threads try to wait until a batch of new read requests have been posted */ static ibool os_aio_recommend_sleep_for_read_threads = FALSE; +#endif /* !UNIV_HOTBACKUP */ UNIV_INTERN ulint os_n_file_reads = 0; UNIV_INTERN ulint os_bytes_read_since_printout = 0; @@ -234,8 +254,10 @@ UNIV_INTERN time_t os_last_printout; UNIV_INTERN ibool os_has_said_disk_full = FALSE; +#ifndef UNIV_HOTBACKUP /* The mutex protecting the following counts of pending I/O operations */ static os_mutex_t os_file_count_mutex; +#endif /* !UNIV_HOTBACKUP */ UNIV_INTERN ulint os_file_n_pending_preads = 0; UNIV_INTERN ulint os_file_n_pending_pwrites = 0; UNIV_INTERN ulint os_n_pending_writes = 0; @@ -580,6 +602,7 @@ os_file_lock( } #endif /* USE_FILE_LOCK */ +#ifndef UNIV_HOTBACKUP /******************************************************************** Creates the seek mutexes used in positioned reads and writes. */ UNIV_INTERN @@ -607,37 +630,32 @@ os_file_create_tmpfile(void) /*========================*/ /* out: temporary file handle, or NULL on error */ { -#ifdef UNIV_HOTBACKUP - ut_error; - - return(NULL); -#else -# ifdef __NETWARE__ +#ifdef __NETWARE__ FILE* file = tmpfile(); -# else /* __NETWARE__ */ +#else /* __NETWARE__ */ FILE* file = NULL; int fd = innobase_mysql_tmpfile(); if (fd >= 0) { file = fdopen(fd, "w+b"); } -# endif /* __NETWARE__ */ +#endif /* __NETWARE__ */ if (!file) { ut_print_timestamp(stderr); fprintf(stderr, " InnoDB: Error: unable to create temporary file;" " errno: %d\n", errno); -# ifndef __NETWARE__ +#ifndef __NETWARE__ if (fd >= 0) { close(fd); } -# endif /* !__NETWARE__ */ +#endif /* !__NETWARE__ */ } return(file); -#endif /* UNIV_HOTBACKUP */ } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** The os_file_opendir() function opens a directory stream corresponding to the @@ -2935,6 +2953,7 @@ os_file_create_subdirs_if_needed( return(success); } +#ifndef UNIV_HOTBACKUP /******************************************************************** Returns a pointer to the nth slot in the aio array. */ static @@ -4912,3 +4931,5 @@ os_aio_all_slots_free(void) return(FALSE); } #endif /* UNIV_DEBUG */ + +#endif /* !UNIV_HOTBACKUP */ diff --git a/os/os0proc.c b/os/os0proc.c index 8d544a666f3..8d4a71f8c4e 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system process control primitives -(c) 1995 Innobase Oy - Created 9/30/1995 Heikki Tuuri *******************************************************/ @@ -44,28 +60,6 @@ os_proc_get_number(void) #endif } -/******************************************************************** -Allocates non-cacheable memory. */ -UNIV_INTERN -void* -os_mem_alloc_nocache( -/*=================*/ - /* out: allocated memory */ - ulint n) /* in: number of bytes */ -{ -#ifdef __WIN__ - void* ptr; - - ptr = VirtualAlloc(NULL, n, MEM_COMMIT, - PAGE_READWRITE | PAGE_NOCACHE); - ut_a(ptr); - - return(ptr); -#else - return(ut_malloc(n)); -#endif -} - /******************************************************************** Allocates large pages memory. */ UNIV_INTERN @@ -111,10 +105,13 @@ os_mem_alloc_large( if (ptr) { *n = size; + os_fast_mutex_lock(&ut_list_mutex); ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); # ifdef UNIV_SET_MEM_TO_ZERO memset(ptr, '\0', size); # endif + UNIV_MEM_ALLOC(ptr, size); return(ptr); } @@ -140,7 +137,10 @@ skip: " Windows error %lu\n", (ulong) size, (ulong) GetLastError()); } else { + os_fast_mutex_lock(&ut_list_mutex); ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_ALLOC(ptr, size); } #elif defined __NETWARE__ || !defined OS_MAP_ANON size = *n; @@ -162,7 +162,10 @@ skip: (ulong) size, (ulong) errno); ptr = NULL; } else { + os_fast_mutex_lock(&ut_list_mutex); ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_ALLOC(ptr, size); } #endif return(ptr); @@ -179,11 +182,17 @@ os_mem_free_large( ulint size) /* in: size returned by os_mem_alloc_large() */ { + os_fast_mutex_lock(&ut_list_mutex); ut_a(ut_total_allocated_memory >= size); + os_fast_mutex_unlock(&ut_list_mutex); #if defined HAVE_LARGE_PAGES && defined UNIV_LINUX if (os_use_large_pages && os_large_page_size && !shmdt(ptr)) { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); return; } #endif /* HAVE_LARGE_PAGES && UNIV_LINUX */ @@ -195,7 +204,11 @@ os_mem_free_large( " Windows error %lu\n", ptr, (ulong) size, (ulong) GetLastError()); } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); } #elif defined __NETWARE__ || !defined OS_MAP_ANON ut_free(ptr); @@ -205,7 +218,11 @@ os_mem_free_large( " errno %lu\n", ptr, (ulong) size, (ulong) errno); } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); } #endif } diff --git a/os/os0sync.c b/os/os0sync.c index bd3d5cbdc58..78ff74059f8 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system synchronization primitives. -(c) 1995 Innobase Oy - Created 9/6/1995 Heikki Tuuri *******************************************************/ diff --git a/os/os0thread.c b/os/os0thread.c index 6f7cfd725e6..0da01a95048 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The interface to the operating system thread control primitives -(c) 1995 Innobase Oy - Created 9/8/1995 Heikki Tuuri *******************************************************/ @@ -15,6 +31,7 @@ Created 9/8/1995 Heikki Tuuri #include #endif +#ifndef UNIV_HOTBACKUP #include "srv0srv.h" #include "os0sync.h" @@ -132,7 +149,7 @@ os_thread_create( os_thread_t pthread; pthread_attr_t attr; -#if !(defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10)) +#ifndef UNIV_HPUX10 pthread_attr_init(&attr); #endif @@ -166,7 +183,7 @@ os_thread_create( os_thread_count++; os_mutex_exit(os_sync_mutex); -#if defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10) +#ifdef UNIV_HPUX10 ret = pthread_create(&pthread, pthread_attr_default, start_f, arg); #else ret = pthread_create(&pthread, &attr, start_f, arg); @@ -177,7 +194,7 @@ os_thread_create( exit(1); } -#if !(defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10)) +#ifndef UNIV_HPUX10 pthread_attr_destroy(&attr); #endif if (srv_set_thread_priorities) { @@ -250,6 +267,7 @@ os_thread_yield(void) os_thread_sleep(0); #endif } +#endif /* !UNIV_HOTBACKUP */ /********************************************************************* The thread sleeps at least the time given in microseconds. */ @@ -273,6 +291,7 @@ os_thread_sleep( #endif } +#ifndef UNIV_HOTBACKUP /********************************************************************** Sets a thread priority. */ UNIV_INTERN @@ -347,3 +366,4 @@ os_thread_get_last_error(void) return(0); #endif } +#endif /* !UNIV_HOTBACKUP */ diff --git a/page/page0cur.c b/page/page0cur.c index 4ef46d6f9e8..caf198ab3e7 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ The page cursor -(c) 1994-1996 Innobase Oy - Created 10/4/1994 Heikki Tuuri *************************************************************************/ @@ -14,6 +30,7 @@ Created 10/4/1994 Heikki Tuuri #include "page0zip.h" #include "mtr0log.h" #include "log0recv.h" +#ifndef UNIV_HOTBACKUP #include "rem0cmp.h" static ulint page_rnd = 976722341; @@ -697,6 +714,9 @@ need_extra_info: mlog_catenate_string(mtr, ins_ptr, rec_size); } } +#else /* !UNIV_HOTBACKUP */ +# define page_cur_insert_rec_write_log(ins_rec,size,cur,index,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a log record of a record insert on a page. */ @@ -1450,6 +1470,7 @@ use_heap: return(insert_rec); } +#ifndef UNIV_HOTBACKUP /************************************************************** Writes a log record of copying a record list end to a new created page. */ UNIV_INLINE @@ -1477,6 +1498,7 @@ page_copy_rec_list_to_created_page_write_log( return(log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************** Parses a log record of copying a record list end to a new created page. */ @@ -1534,6 +1556,7 @@ page_parse_copy_rec_list_to_created_page( return(rec_end); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Copies records from page to a newly created page, from a given record onward, including that record. Infimum and supremum records are not copied. */ @@ -1737,6 +1760,9 @@ page_cur_delete_rec_write_log( mlog_close(mtr, log_ptr + 2); } +#else /* !UNIV_HOTBACKUP */ +# define page_cur_delete_rec_write_log(rec,index,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses log record of a record delete on a page. */ diff --git a/page/page0page.c b/page/page0page.c index 8f5a0776ba6..ea4e259bcb3 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Index page routines -(c) 1994-1996 Innobase Oy - Created 2/2/1994 Heikki Tuuri *******************************************************/ @@ -15,12 +31,14 @@ Created 2/2/1994 Heikki Tuuri #include "page0cur.h" #include "page0zip.h" -#include "lock0lock.h" -#include "fut0lst.h" -#include "btr0sea.h" #include "buf0buf.h" -#include "srv0srv.h" #include "btr0btr.h" +#ifndef UNIV_HOTBACKUP +# include "srv0srv.h" +# include "lock0lock.h" +# include "fut0lst.h" +# include "btr0sea.h" +#endif /* !UNIV_HOTBACKUP */ /* THE INDEX PAGE ============== @@ -193,12 +211,14 @@ page_set_max_trx_id( page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ dulint trx_id) /* in: transaction id */ { - const ibool is_hashed = block->is_hashed; page_t* page = buf_block_get_frame(block); +#ifndef UNIV_HOTBACKUP + const ibool is_hashed = block->is_hashed; if (is_hashed) { rw_lock_x_lock(&btr_search_latch); } +#endif /* !UNIV_HOTBACKUP */ /* It is not necessary to write this change to the redo log, as during a database recovery we assume that the max trx id of every @@ -211,9 +231,11 @@ page_set_max_trx_id( 8, NULL); } +#ifndef UNIV_HOTBACKUP if (is_hashed) { rw_lock_x_unlock(&btr_search_latch); } +#endif /* !UNIV_HOTBACKUP */ } /**************************************************************** @@ -255,6 +277,7 @@ page_mem_alloc_heap( return(NULL); } +#ifndef UNIV_HOTBACKUP /************************************************************** Writes a log record of page creation. */ UNIV_INLINE @@ -270,6 +293,9 @@ page_create_write_log( ? MLOG_COMP_PAGE_CREATE : MLOG_PAGE_CREATE, mtr); } +#else /* !UNIV_HOTBACKUP */ +# define page_create_write_log(frame,mtr,comp) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of creating a page. */ @@ -327,9 +353,9 @@ page_create_low( /* The infimum and supremum records use a dummy index. */ if (UNIV_LIKELY(comp)) { - index = srv_sys->dummy_ind2; + index = dict_ind_compact; } else { - index = srv_sys->dummy_ind1; + index = dict_ind_redundant; } /* 1. INCREMENT MODIFY CLOCK */ @@ -568,6 +594,7 @@ page_copy_rec_list_end_no_locks( } } +#ifndef UNIV_HOTBACKUP /***************************************************************** Copies records from page to new_page, from a given record onward, including that record. Infimum and supremum records are not copied. @@ -811,6 +838,9 @@ page_delete_rec_list_write_log( mlog_close(mtr, log_ptr + 2); } } +#else /* !UNIV_HOTBACKUP */ +# define page_delete_rec_list_write_log(rec,index,type,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /************************************************************** Parses a log record of a record list end or start deletion. */ @@ -1116,6 +1146,7 @@ page_delete_rec_list_start( mtr_set_log_mode(mtr, log_mode); } +#ifndef UNIV_HOTBACKUP /***************************************************************** Moves record list end to another page. Moved records include split_rec. */ @@ -1217,6 +1248,7 @@ page_rec_write_index_page_no( mlog_write_ulint(data, page_no, MLOG_4BYTES, mtr); } +#endif /* !UNIV_HOTBACKUP */ /****************************************************************** Used to delete n slots from the directory. This function updates @@ -1428,6 +1460,7 @@ page_dir_balance_slot( } } +#ifndef UNIV_HOTBACKUP /**************************************************************** Returns the middle record of the record list. If there are an even number of records in the list, returns the first record of the upper half-list. */ @@ -1475,6 +1508,7 @@ page_get_middle_rec( return(rec); } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Returns the number of records before the given record in chain. @@ -1540,6 +1574,7 @@ page_rec_get_n_recs_before( return((ulint) n); } +#ifndef UNIV_HOTBACKUP /**************************************************************** Prints record contents including the data relevant only in the index page context. */ @@ -1730,6 +1765,7 @@ page_print( page_dir_print(page, dn); page_print_list(block, index, rn); } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* The following is used to validate a record on a page. This function @@ -1779,6 +1815,7 @@ page_rec_validate( return(TRUE); } +#ifndef UNIV_HOTBACKUP /******************************************************************* Checks that the first directory slot points to the infimum record and the last to the supremum. This function is intended to track if the @@ -1814,6 +1851,7 @@ page_check_dir( buf_page_print(page, 0); } } +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* This function checks the consistency of an index page when we do not @@ -2294,10 +2332,11 @@ page_validate( if (UNIV_UNLIKELY(!(page_header_get_ptr(page, PAGE_HEAP_TOP) <= page_dir_get_nth_slot(page, n_slots - 1)))) { - fputs("InnoDB: Record heap and dir overlap on a page ", - stderr); - dict_index_name_print(stderr, NULL, index); - fprintf(stderr, ", %p, %p\n", + fprintf(stderr, + "InnoDB: Record heap and dir overlap" + " on space %lu page %lu index %s, %p, %p\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), index->name, page_header_get_ptr(page, PAGE_HEAP_TOP), page_dir_get_nth_slot(page, n_slots - 1)); @@ -2329,17 +2368,19 @@ page_validate( goto func_exit; } +#ifndef UNIV_HOTBACKUP /* Check that the records are in the ascending order */ if (UNIV_LIKELY(count >= PAGE_HEAP_NO_USER_LOW) && !page_rec_is_supremum(rec)) { if (UNIV_UNLIKELY (1 != cmp_rec_rec(rec, old_rec, offsets, old_offsets, index))) { - fprintf(stderr, + fprintf(stderr, "InnoDB: Records in wrong order" - " on page %lu ", - (ulong) page_get_page_no(page)); - dict_index_name_print(stderr, NULL, index); + " on space %lu page %lu index %s\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), + index->name); fputs("\nInnoDB: previous record ", stderr); rec_print_new(stderr, old_rec, old_offsets); fputs("\nInnoDB: record ", stderr); @@ -2349,6 +2390,7 @@ page_validate( goto func_exit; } } +#endif /* !UNIV_HOTBACKUP */ if (page_rec_is_user_rec(rec)) { @@ -2494,16 +2536,19 @@ func_exit: if (UNIV_UNLIKELY(ret == FALSE)) { func_exit2: - fprintf(stderr, "InnoDB: Apparent corruption in page %lu in ", - (ulong) page_get_page_no(page)); - dict_index_name_print(stderr, NULL, index); - putc('\n', stderr); + fprintf(stderr, + "InnoDB: Apparent corruption" + " in space %lu page %lu index %s\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), + index->name); buf_page_print(page, 0); } return(ret); } +#ifndef UNIV_HOTBACKUP /******************************************************************* Looks in the page record list for a record with the given heap number. */ UNIV_INTERN @@ -2550,3 +2595,4 @@ page_find_rec_with_heap_no( } } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/page/page0zip.c b/page/page0zip.c index 7cd2da171f0..76783b9a039 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Compressed page interface -(c) 2005 Innobase Oy - Created June 2005 by Marko Makela *******************************************************/ @@ -15,15 +31,20 @@ Created June 2005 by Marko Makela #include "page0page.h" #include "mtr0log.h" #include "ut0sort.h" -#include "dict0boot.h" #include "dict0dict.h" -#include "btr0sea.h" #include "btr0cur.h" #include "page0types.h" -#include "lock0lock.h" #include "log0recv.h" #include "zlib.h" -#include "buf0lru.h" +#ifndef UNIV_HOTBACKUP +# include "buf0lru.h" +# include "btr0sea.h" +# include "dict0boot.h" +# include "lock0lock.h" +#else /* !UNIV_HOTBACKUP */ +# define lock_move_reorganize_page(block, temp_block) ((void) 0) +# define buf_LRU_stat_inc_unzip() ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ UNIV_INTERN page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; @@ -90,6 +111,7 @@ page_zip_fail_func( # define page_zip_fail(fmt_args) /* empty */ #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +#ifndef UNIV_HOTBACKUP /************************************************************************** Determine the guaranteed free space on an empty page. */ UNIV_INTERN @@ -113,6 +135,7 @@ page_zip_empty_size( - compressBound(2 * (n_fields + 1)); return(size > 0 ? (ulint) size : 0); } +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Gets the size of the compressed page trailer (the dense page directory), @@ -235,6 +258,7 @@ page_zip_dir_get( - PAGE_ZIP_DIR_SLOT_SIZE * (slot + 1))); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Write a log record of compressing an index page. */ static @@ -296,6 +320,7 @@ page_zip_compress_write_log( mlog_catenate_string(mtr, page_zip->data + page_zip_get_size(page_zip) - trailer_size, trailer_size); } +#endif /* !UNIV_HOTBACKUP */ /********************************************************** Determine how many externally stored columns are contained @@ -1344,7 +1369,9 @@ err_exit: #endif /* UNIV_ZIP_DEBUG */ if (mtr) { +#ifndef UNIV_HOTBACKUP page_zip_compress_write_log(page_zip, page, index, mtr); +#endif /* !UNIV_HOTBACKUP */ } UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); @@ -3302,7 +3329,7 @@ page_zip_write_rec( ulint heap_no; byte* slot; - ut_ad(buf_frame_get_page_zip(rec) == page_zip); + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) > PAGE_DATA + page_zip_dir_size(page_zip)); @@ -3552,7 +3579,7 @@ page_zip_write_blob_ptr( ulint blob_no; ulint len; - ut_ad(buf_frame_get_page_zip(rec) == page_zip); + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); ut_ad(page_simple_validate_new((page_t*) page)); ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) @@ -3594,6 +3621,7 @@ page_zip_write_blob_ptr( #endif /* UNIV_ZIP_DEBUG */ if (mtr) { +#ifndef UNIV_HOTBACKUP byte* log_ptr = mlog_open( mtr, 11 + 2 + 2 + BTR_EXTERN_FIELD_REF_SIZE); if (UNIV_UNLIKELY(!log_ptr)) { @@ -3609,6 +3637,7 @@ page_zip_write_blob_ptr( memcpy(log_ptr, externs, BTR_EXTERN_FIELD_REF_SIZE); log_ptr += BTR_EXTERN_FIELD_REF_SIZE; mlog_close(mtr, log_ptr); +#endif /* !UNIV_HOTBACKUP */ } } @@ -3705,7 +3734,7 @@ page_zip_write_node_ptr( byte* storage; page_t* page = page_align(rec); - ut_ad(buf_frame_get_page_zip(rec) == page_zip); + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); ut_ad(page_simple_validate_new(page)); ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) @@ -3736,6 +3765,7 @@ page_zip_write_node_ptr( memcpy(storage, field, REC_NODE_PTR_SIZE); if (mtr) { +#ifndef UNIV_HOTBACKUP byte* log_ptr = mlog_open(mtr, 11 + 2 + 2 + REC_NODE_PTR_SIZE); if (UNIV_UNLIKELY(!log_ptr)) { @@ -3751,6 +3781,7 @@ page_zip_write_node_ptr( memcpy(log_ptr, field, REC_NODE_PTR_SIZE); log_ptr += REC_NODE_PTR_SIZE; mlog_close(mtr, log_ptr); +#endif /* !UNIV_HOTBACKUP */ } } @@ -3772,7 +3803,7 @@ page_zip_write_trx_id_and_roll_ptr( page_t* page = page_align(rec); ulint len; - ut_ad(buf_frame_get_page_zip(rec) == page_zip); + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); ut_ad(page_simple_validate_new(page)); ut_ad(page_zip_simple_validate(page_zip)); ut_ad(page_zip_get_size(page_zip) @@ -4270,6 +4301,7 @@ corrupt: return(ptr + len); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Write a log record of writing to the uncompressed header portion of a page. */ UNIV_INTERN @@ -4304,6 +4336,7 @@ page_zip_write_header_log( mlog_catenate_string(mtr, data, length); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Reorganize and compress a page. This is a low-level operation for @@ -4343,10 +4376,15 @@ page_zip_reorganize( /* Disable logging */ log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); +#ifndef UNIV_HOTBACKUP temp_block = buf_block_alloc(0); - temp_page = temp_block->frame; - btr_search_drop_page_hash_index(block); + block->check_index_page_at_flush = TRUE; +#else /* !UNIV_HOTBACKUP */ + ut_ad(block == back_block1); + temp_block = back_block2; +#endif /* !UNIV_HOTBACKUP */ + temp_page = temp_block->frame; /* Copy the old page to temporary space */ buf_frame_copy(temp_page, page); @@ -4355,7 +4393,6 @@ page_zip_reorganize( segment headers, next page-field, etc.) is preserved intact */ page_create(block, mtr, TRUE); - block->check_index_page_at_flush = TRUE; /* Copy the records from the temporary space to the recreated page; do not copy the lock bits yet */ @@ -4374,16 +4411,21 @@ page_zip_reorganize( /* Restore the old page and exit. */ buf_frame_copy(page, temp_page); +#ifndef UNIV_HOTBACKUP buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ return(FALSE); } lock_move_reorganize_page(block, temp_block); +#ifndef UNIV_HOTBACKUP buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ return(TRUE); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly @@ -4470,6 +4512,7 @@ page_zip_copy_recs( page_zip_compress_write_log(page_zip, page, index, mtr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Parses a log record of compressing an index page. */ diff --git a/pars/lexyy.c b/pars/lexyy.c index b7bacde768a..489752a1900 100644 --- a/pars/lexyy.c +++ b/pars/lexyy.c @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #include "univ.i" #line 2 "lexyy.c" diff --git a/pars/make_bison.sh b/pars/make_bison.sh index 8e993f59de6..09bb86e3106 100755 --- a/pars/make_bison.sh +++ b/pars/make_bison.sh @@ -1,5 +1,19 @@ #!/bin/bash # +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# # generate parser files from bison input files. set -eu diff --git a/pars/make_flex.sh b/pars/make_flex.sh index b83e063fef0..89308a6636f 100755 --- a/pars/make_flex.sh +++ b/pars/make_flex.sh @@ -1,5 +1,19 @@ #!/bin/bash # +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# # generate lexer files from flex input files. set -eu diff --git a/pars/pars0grm.c b/pars/pars0grm.c index 3d2dcbeee08..d667970735e 100644 --- a/pars/pars0grm.c +++ b/pars/pars0grm.c @@ -1,28 +1,30 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software +Foundation, Inc. + +As a special exception, when this file is copied by Bison into a +Bison output file, you may use that output file without restriction. +This special exception was added by the Free Software Foundation +in version 1.24 of Bison. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /* A Bison parser, made by GNU Bison 2.0. */ -/* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ - /* Written by Richard Stallman by simplifying the original so called ``semantic'' parser. */ diff --git a/pars/pars0grm.y b/pars/pars0grm.y index a07be9975a1..14d64f1826f 100644 --- a/pars/pars0grm.y +++ b/pars/pars0grm.y @@ -1,13 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser: input file for the GNU Bison parser generator -(c) 1997 Innobase Oy - -Created 12/14/1997 Heikki Tuuri -Published under the GPL version 2 - Look from pars0lex.l for instructions how to generate the C files for the InnoDB parser. + +Created 12/14/1997 Heikki Tuuri *******************************************************/ %{ diff --git a/pars/pars0lex.l b/pars/pars0lex.l index ad65034fab0..38cb744bd44 100644 --- a/pars/pars0lex.l +++ b/pars/pars0lex.l @@ -1,11 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser lexical analyzer: input file for the GNU Flex lexer generator -(c) 1997 Innobase Oy - -Created 12/14/1997 Heikki Tuuri -Published under the GPL version 2 - The InnoDB parser is frozen because MySQL takes care of SQL parsing. Therefore we normally keep the InnoDB parser C files as they are, and do not automatically generate them from pars0grm.y and pars0lex.l. @@ -18,6 +31,8 @@ How to make the InnoDB parser and lexer C files: These instructions seem to work at least with bison-1.875d and flex-2.5.31 on Linux. + +Created 12/14/1997 Heikki Tuuri *******************************************************/ %option nostdinit diff --git a/pars/pars0opt.c b/pars/pars0opt.c index f8cf9942545..34246929c53 100644 --- a/pars/pars0opt.c +++ b/pars/pars0opt.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Simple SQL optimizer -(c) 1997 Innobase Oy - Created 12/21/1997 Heikki Tuuri *******************************************************/ diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 4d6794446d9..62ae3b3d09b 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser -(c) 1996 Innobase Oy - Created 11/19/1996 Heikki Tuuri *******************************************************/ diff --git a/pars/pars0sym.c b/pars/pars0sym.c index d8c49d3db14..fb23547e767 100644 --- a/pars/pars0sym.c +++ b/pars/pars0sym.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** SQL parser symbol table -(c) 1997 Innobase Oy - Created 12/15/1997 Heikki Tuuri *******************************************************/ diff --git a/plug.in b/plug.in index ec71d028d50..7852ffeed94 100644 --- a/plug.in +++ b/plug.in @@ -1,3 +1,19 @@ +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# + MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine], [Transactional Tables using InnoDB], [max,max-no-ndb]) MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase]) @@ -43,6 +59,30 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ ;; esac AC_SUBST(INNODB_DYNAMIC_CFLAGS) + AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins) + AC_TRY_RUN( + [ + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); + } + ], + [ + AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + [pthread_t can be used by GCC atomic builtins]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) ]) # vim: set ft=config: diff --git a/que/que0que.c b/que/que0que.c index be49b31d0b9..91a9d30ec4c 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Query graph -(c) 1996 Innobase Oy - Created 5/27/1996 Heikki Tuuri *******************************************************/ diff --git a/read/read0read.c b/read/read0read.c index cdac50c52ec..e3e5ee5d623 100644 --- a/read/read0read.c +++ b/read/read0read.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Cursor read -(c) 1997 Innobase Oy - Created 2/16/1997 Heikki Tuuri *******************************************************/ diff --git a/rem/rem0cmp.c b/rem/rem0cmp.c index 597e88c3a4c..39fcb6f19dd 100644 --- a/rem/rem0cmp.c +++ b/rem/rem0cmp.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /*********************************************************************** Comparison services for records -(c) 1994-1996 Innobase Oy - Created 7/1/1994 Heikki Tuuri ************************************************************************/ diff --git a/rem/rem0rec.c b/rem/rem0rec.c index 6906cce21f5..e0b95ab61de 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Record manager -(c) 1994-2001 Innobase Oy - Created 5/30/1994 Heikki Tuuri *************************************************************************/ @@ -1607,6 +1623,7 @@ rec_print_old( rec_validate_old(rec); } +#ifndef UNIV_HOTBACKUP /******************************************************************* Prints a physical record in ROW_FORMAT=COMPACT. Ignores the record header. */ @@ -1702,3 +1719,4 @@ rec_print( } } } +#endif /* !UNIV_HOTBACKUP */ diff --git a/row/row0ext.c b/row/row0ext.c index 7cba6cc81ac..83dfa024ffc 100644 --- a/row/row0ext.c +++ b/row/row0ext.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Caching of externally stored column prefixes -(c) 2006 Innobase Oy - Created September 2006 Marko Makela *******************************************************/ diff --git a/row/row0ins.c b/row/row0ins.c index 7653193c087..fd6da091c9d 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Insert into a table -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/row/row0merge.c b/row/row0merge.c index 91b03043697..4ce1d251bd1 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** New index creation routines using a merge sort -(c) 2005,2007 Innobase Oy - Created 12/4/2005 Jan Lindstrom Completed by Sunny Bains and Marko Makela *******************************************************/ diff --git a/row/row0mysql.c b/row/row0mysql.c index 6c7319e5b2d..b00b2718cdf 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1,9 +1,25 @@ +/***************************************************************************** + +Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Interface between Innobase row operations and MySQL. Contains also create table and other data dictionary operations. -(c) 2000 Innobase Oy - Created 9/17/2000 Heikki Tuuri *******************************************************/ @@ -1433,12 +1449,9 @@ row_unlock_for_mysql( and clust_pcur, and we do not need to reposition the cursors. */ { - dict_index_t* index; btr_pcur_t* pcur = prebuilt->pcur; btr_pcur_t* clust_pcur = prebuilt->clust_pcur; trx_t* trx = prebuilt->trx; - rec_t* rec; - mtr_t mtr; ut_ad(prebuilt && trx); ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); @@ -1458,9 +1471,12 @@ row_unlock_for_mysql( trx->op_info = "unlock_row"; - index = btr_pcur_get_btr_cur(pcur)->index; + if (prebuilt->new_rec_locks >= 1) { - if (index != NULL && trx_new_rec_locks_contain(trx, index)) { + rec_t* rec; + dict_index_t* index; + dulint rec_trx_id; + mtr_t mtr; mtr_start(&mtr); @@ -1471,45 +1487,67 @@ row_unlock_for_mysql( } rec = btr_pcur_get_rec(pcur); + index = btr_pcur_get_btr_cur(pcur)->index; - lock_rec_unlock(trx, btr_pcur_get_block(pcur), - rec, prebuilt->select_lock_type); + if (prebuilt->new_rec_locks >= 2) { + /* Restore the cursor position and find the record + in the clustered index. */ - mtr_commit(&mtr); + if (!has_latches_on_recs) { + btr_pcur_restore_position(BTR_SEARCH_LEAF, + clust_pcur, &mtr); + } - /* If the search was done through the clustered index, then - we have not used clust_pcur at all, and we must NOT try to - reset locks on clust_pcur. The values in clust_pcur may be - garbage! */ - - if (dict_index_is_clust(index)) { - - goto func_exit; - } - } - - index = btr_pcur_get_btr_cur(clust_pcur)->index; - - if (index != NULL && trx_new_rec_locks_contain(trx, index)) { - - mtr_start(&mtr); - - /* Restore the cursor position and find the record */ - - if (!has_latches_on_recs) { - btr_pcur_restore_position(BTR_SEARCH_LEAF, clust_pcur, - &mtr); + rec = btr_pcur_get_rec(clust_pcur); + index = btr_pcur_get_btr_cur(clust_pcur)->index; } - rec = btr_pcur_get_rec(clust_pcur); + /* If the record has been modified by this + transaction, do not unlock it. */ + ut_a(index->type & DICT_CLUSTERED); - lock_rec_unlock(trx, btr_pcur_get_block(clust_pcur), - rec, prebuilt->select_lock_type); + if (index->trx_id_offset) { + rec_trx_id = trx_read_trx_id(rec + + index->trx_id_offset); + } else { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + + rec_offs_init(offsets_); + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + rec_trx_id = row_get_rec_trx_id(rec, index, offsets); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + if (ut_dulint_cmp(rec_trx_id, trx->id) != 0) { + /* We did not update the record: unlock it */ + + rec = btr_pcur_get_rec(pcur); + index = btr_pcur_get_btr_cur(pcur)->index; + + lock_rec_unlock(trx, btr_pcur_get_block(pcur), + rec, prebuilt->select_lock_type); + + if (prebuilt->new_rec_locks >= 2) { + rec = btr_pcur_get_rec(clust_pcur); + index = btr_pcur_get_btr_cur(clust_pcur)->index; + + lock_rec_unlock(trx, + btr_pcur_get_block(clust_pcur), + rec, + prebuilt->select_lock_type); + } + } mtr_commit(&mtr); } -func_exit: trx->op_info = ""; return(DB_SUCCESS); diff --git a/row/row0purge.c b/row/row0purge.c index dde7bf5502c..b1a17433fae 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge obsolete records -(c) 1997 Innobase Oy - Created 3/14/1997 Heikki Tuuri *******************************************************/ diff --git a/row/row0row.c b/row/row0row.c index 594fb33fd0c..8cf94dfca6f 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** General row routines -(c) 1996 Innobase Oy - Created 4/20/1996 Heikki Tuuri *******************************************************/ diff --git a/row/row0sel.c b/row/row0sel.c index c4725f33cd1..fb1523d3370 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************* Select -(c) 1997 Innobase Oy - Created 12/19/1997 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "row0sel.h" @@ -3011,8 +3002,9 @@ row_sel_get_clust_rec_for_mysql( func_exit: *out_rec = clust_rec; - if (prebuilt->select_lock_type == LOCK_X) { - /* We may use the cursor in update: store its position */ + if (prebuilt->select_lock_type != LOCK_NONE) { + /* We may use the cursor in update or in unlock_row(): + store its position */ btr_pcur_store_position(prebuilt->clust_pcur, mtr); } @@ -3414,13 +3406,7 @@ row_search_for_mysql( is set or session is using a READ COMMITED isolation level. Then we are able to remove the record locks set here on an individual row. */ - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - trx_reset_new_rec_lock_info(trx); - } + prebuilt->new_rec_locks = 0; /*-------------------------------------------------------------*/ /* PHASE 1: Try to pop the row from the prefetch cache */ @@ -4065,6 +4051,12 @@ no_gap_lock: switch (err) { const rec_t* old_vers; case DB_SUCCESS: + if (srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + /* Note that a record of + prebuilt->index was locked. */ + prebuilt->new_rec_locks = 1; + } break; case DB_LOCK_WAIT: if (UNIV_LIKELY(prebuilt->row_read_type @@ -4095,7 +4087,7 @@ no_gap_lock: if (UNIV_LIKELY(trx->wait_lock != NULL)) { lock_cancel_waiting_and_release( trx->wait_lock); - trx_reset_new_rec_lock_info(trx); + prebuilt->new_rec_locks = 0; } else { mutex_exit(&kernel_mutex); @@ -4107,6 +4099,9 @@ no_gap_lock: ULINT_UNDEFINED, &heap); err = DB_SUCCESS; + /* Note that a record of + prebuilt->index was locked. */ + prebuilt->new_rec_locks = 1; break; } mutex_exit(&kernel_mutex); @@ -4255,6 +4250,15 @@ requires_clust_rec: goto next_rec; } + if ((srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + /* Note that both the secondary index record + and the clustered index record were locked. */ + ut_ad(prebuilt->new_rec_locks == 1); + prebuilt->new_rec_locks = 2; + } + if (UNIV_UNLIKELY(rec_get_deleted_flag(clust_rec, comp))) { /* The record is delete marked: we can skip it */ @@ -4384,13 +4388,7 @@ next_rec: prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; } did_semi_consistent_read = FALSE; - - if (UNIV_UNLIKELY(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - trx_reset_new_rec_lock_info(trx); - } + prebuilt->new_rec_locks = 0; /*-------------------------------------------------------------*/ /* PHASE 5: Move the cursor to the next index record */ @@ -4496,7 +4494,7 @@ lock_wait_or_error: rec_loop we will again try to set a lock, and new_rec_lock_info in trx will be right at the end. */ - trx_reset_new_rec_lock_info(trx); + prebuilt->new_rec_locks = 0; } mode = pcur->search_mode; diff --git a/row/row0uins.c b/row/row0uins.c index 2f935dbcc8b..ce23e55bb5c 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Fresh insert undo -(c) 1996 Innobase Oy - Created 2/25/1997 Heikki Tuuri *******************************************************/ diff --git a/row/row0umod.c b/row/row0umod.c index 15e0834b661..82139bd259f 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Undo modify of a row -(c) 1997 Innobase Oy - Created 2/27/1997 Heikki Tuuri *******************************************************/ diff --git a/row/row0undo.c b/row/row0undo.c index b955c6d1b44..d372f88e207 100644 --- a/row/row0undo.c +++ b/row/row0undo.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row undo -(c) 1997 Innobase Oy - Created 1/8/1997 Heikki Tuuri *******************************************************/ diff --git a/row/row0upd.c b/row/row0upd.c index a3822462206..80e47b37751 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Update of a row -(c) 1996 Innobase Oy - Created 12/27/1996 Heikki Tuuri *******************************************************/ @@ -13,10 +29,12 @@ Created 12/27/1996 Heikki Tuuri #endif #include "dict0dict.h" +#include "trx0undo.h" +#include "rem0rec.h" +#ifndef UNIV_HOTBACKUP #include "dict0boot.h" #include "dict0crea.h" #include "mach0data.h" -#include "trx0undo.h" #include "btr0btr.h" #include "btr0cur.h" #include "que0que.h" @@ -297,6 +315,7 @@ upd_node_create( return(node); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Updates the trx id and roll ptr field in a clustered index record in database @@ -331,6 +350,7 @@ row_upd_rec_sys_fields_in_recovery( } } +#ifndef UNIV_HOTBACKUP /************************************************************************* Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN @@ -429,6 +449,7 @@ row_upd_changes_field_size_or_external( return(FALSE); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Replaces the new column values stored in the update vector to the record @@ -475,6 +496,7 @@ row_upd_rec_in_place( } } +#ifndef UNIV_HOTBACKUP /************************************************************************* Writes into the redo log the values of trx id and roll ptr and enough info to determine their positions within a clustered index record. */ @@ -504,6 +526,7 @@ row_upd_write_sys_vals_to_log( return(log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Parses the log data of system field values. */ @@ -538,6 +561,7 @@ row_upd_parse_sys_vals( return(ptr); } +#ifndef UNIV_HOTBACKUP /*************************************************************** Writes to the redo log the new values of the fields occurring in the index. */ UNIV_INTERN @@ -608,6 +632,7 @@ row_upd_index_write_log( mlog_close(mtr, log_ptr); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Parses the log data written by row_upd_index_write_log. */ @@ -688,6 +713,7 @@ row_upd_index_parse( return(ptr); } +#ifndef UNIV_HOTBACKUP /******************************************************************* Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare @@ -2185,3 +2211,4 @@ error_handling: return(thr); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/row/row0vers.c b/row/row0vers.c index 3b25c2f71e1..3abba6d6fb8 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Row versions -(c) 1997 Innobase Oy - Created 2/6/1997 Heikki Tuuri *******************************************************/ diff --git a/setup.sh b/setup.sh index 8c6b7052a94..23fe729a406 100755 --- a/setup.sh +++ b/setup.sh @@ -1,5 +1,19 @@ #!/bin/sh # +# Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# # Prepare the MySQL source code tree for building # with checked-out InnoDB Subversion directory. @@ -21,3 +35,13 @@ cd ../r ln -sf ../$TARGETDIR/mysql-test/*.result . cd ../include ln -sf ../$TARGETDIR/mysql-test/*.inc . + +# Apply any patches that are needed to make the mysql-test suite successful. +# These patches are usually needed because of deviations of behavior between +# the stock InnoDB and the InnoDB Plugin. +cd ../.. +for patch in storage/innobase/mysql-test/patches/*.diff ; do + if [ "${patch}" != "storage/innobase/mysql-test/patches/*.diff" ] ; then + patch -p0 < ${patch} + fi +done diff --git a/srv/srv0que.c b/srv/srv0que.c index 5f7ee7ed6fe..344aaed8775 100644 --- a/srv/srv0que.c +++ b/srv/srv0que.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Server query execution -(c) 1996 Innobase Oy - Created 6/5/1996 Heikki Tuuri *******************************************************/ diff --git a/srv/srv0srv.c b/srv/srv0srv.c index bfd677f1706..a56aab774fb 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1,3 +1,28 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The database server main program @@ -20,42 +45,9 @@ Windows 2000 will have something called thread pooling Another possibility could be to use some very fast user space thread library. This might confuse NT though. -(c) 1995 Innobase Oy - Created 10/8/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ + /* Dummy comment */ #include "srv0srv.h" @@ -175,7 +167,7 @@ collation */ UNIV_INTERN const byte* srv_latin1_ordering; /* use os/external memory allocator */ -UNIV_INTERN my_bool srv_use_sys_malloc = FALSE; +UNIV_INTERN my_bool srv_use_sys_malloc = TRUE; /* requested size in kilobytes */ UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; /* previously requested size */ @@ -873,7 +865,6 @@ srv_init(void) { srv_conc_slot_t* conc_slot; srv_slot_t* slot; - dict_table_t* table; ulint i; srv_sys = mem_alloc(sizeof(srv_sys_t)); @@ -919,30 +910,9 @@ srv_init(void) UT_LIST_INIT(srv_sys->tasks); - /* create dummy table and index for old-style infimum and supremum */ - table = dict_mem_table_create("SYS_DUMMY1", - DICT_HDR_SPACE, 1, 0); - dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, - DATA_ENGLISH | DATA_NOT_NULL, 8); + /* Create dummy indexes for infimum and supremum records */ - srv_sys->dummy_ind1 = dict_mem_index_create( - "SYS_DUMMY1", "SYS_DUMMY1", DICT_HDR_SPACE, 0, 1); - dict_index_add_col(srv_sys->dummy_ind1, table, - dict_table_get_nth_col(table, 0), 0); - srv_sys->dummy_ind1->table = table; - /* create dummy table and index for new-style infimum and supremum */ - table = dict_mem_table_create("SYS_DUMMY2", - DICT_HDR_SPACE, 1, DICT_TF_COMPACT); - dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, - DATA_ENGLISH | DATA_NOT_NULL, 8); - srv_sys->dummy_ind2 = dict_mem_index_create( - "SYS_DUMMY2", "SYS_DUMMY2", DICT_HDR_SPACE, 0, 1); - dict_index_add_col(srv_sys->dummy_ind2, table, - dict_table_get_nth_col(table, 0), 0); - srv_sys->dummy_ind2->table = table; - - /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ - srv_sys->dummy_ind1->cached = srv_sys->dummy_ind2->cached = TRUE; + dict_ind_init(); /* Init the server concurrency restriction data structures */ @@ -981,6 +951,7 @@ void srv_general_init(void) /*==================*/ { + ut_mem_init(); os_sync_init(); sync_init(); mem_init(srv_mem_pool_size); diff --git a/srv/srv0start.c b/srv/srv0start.c index e1096e73054..ef1c53b9e2b 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1,92 +1,81 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Starts the InnoDB database server -(c) 1996-2000 Innobase Oy - Created 2/16/1996 Heikki Tuuri *************************************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ -#include "os0proc.h" -#include "sync0sync.h" #include "ut0mem.h" #include "mem0mem.h" -#include "mem0pool.h" #include "data0data.h" #include "data0type.h" #include "dict0dict.h" #include "buf0buf.h" -#include "buf0flu.h" -#include "buf0rea.h" #include "os0file.h" #include "os0thread.h" #include "fil0fil.h" #include "fsp0fsp.h" #include "rem0rec.h" -#include "rem0cmp.h" #include "mtr0mtr.h" #include "log0log.h" #include "log0recv.h" #include "page0page.h" #include "page0cur.h" #include "trx0trx.h" -#include "dict0boot.h" -#include "dict0load.h" #include "trx0sys.h" -#include "dict0crea.h" #include "btr0btr.h" -#include "btr0pcur.h" #include "btr0cur.h" -#include "btr0sea.h" #include "rem0rec.h" -#include "srv0srv.h" -#include "que0que.h" -#include "usr0sess.h" -#include "lock0lock.h" -#include "trx0roll.h" -#include "trx0purge.h" -#include "row0ins.h" -#include "row0sel.h" -#include "row0upd.h" -#include "row0row.h" -#include "row0mysql.h" -#include "lock0lock.h" #include "ibuf0ibuf.h" -#include "pars0pars.h" -#include "btr0sea.h" #include "srv0start.h" -#include "que0que.h" +#include "srv0srv.h" +#ifndef UNIV_HOTBACKUP +# include "os0proc.h" +# include "sync0sync.h" +# include "buf0flu.h" +# include "buf0rea.h" +# include "dict0boot.h" +# include "dict0load.h" +# include "que0que.h" +# include "usr0sess.h" +# include "lock0lock.h" +# include "trx0roll.h" +# include "trx0purge.h" +# include "lock0lock.h" +# include "pars0pars.h" +# include "btr0sea.h" +# include "rem0cmp.h" +# include "dict0crea.h" +# include "row0ins.h" +# include "row0sel.h" +# include "row0upd.h" +# include "row0row.h" +# include "row0mysql.h" +# include "btr0pcur.h" /* Log sequence number immediately after startup */ UNIV_INTERN ib_uint64_t srv_start_lsn; @@ -103,15 +92,12 @@ UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; UNIV_INTERN ibool srv_is_being_started = FALSE; UNIV_INTERN ibool srv_was_started = FALSE; -#ifndef UNIV_HOTBACKUP static ibool srv_start_has_been_called = FALSE; -#endif /* !UNIV_HOTBACKUP */ /* At a shutdown the value first climbs to SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE */ UNIV_INTERN ulint srv_shutdown_state = 0; -#ifndef UNIV_HOTBACKUP static os_file_t files[1000]; static mutex_t ios_mutex; @@ -184,29 +170,19 @@ UNIV_INTERN ibool srv_parse_data_file_paths_and_sizes( /*================================*/ - /* out: TRUE if ok, FALSE if parsing - error */ - char* str, /* in: the data file path string */ - char*** data_file_names, /* out, own: array of data file - names */ - ulint** data_file_sizes, /* out, own: array of data file sizes - in megabytes */ - ulint** data_file_is_raw_partition,/* out, own: array of flags - showing which data files are raw - partitions */ - ulint* n_data_files, /* out: number of data files */ - ibool* is_auto_extending, /* out: TRUE if the last data file is - auto-extending */ - ulint* max_auto_extend_size) /* out: max auto extend size for the - last file if specified, 0 if not */ + /* out: TRUE if ok, FALSE on parse error */ + char* str) /* in/out: the data file path string */ { char* input_str; char* path; ulint size; ulint i = 0; - *is_auto_extending = FALSE; - *max_auto_extend_size = 0; + srv_auto_extend_last_data_file = FALSE; + srv_last_file_size_max = 0; + srv_data_file_names = NULL; + srv_data_file_sizes = NULL; + srv_data_file_is_raw_partition = NULL; input_str = str; @@ -283,11 +259,12 @@ srv_parse_data_file_paths_and_sizes( return(FALSE); } - *data_file_names = (char**)ut_malloc(i * sizeof(void*)); - *data_file_sizes = (ulint*)ut_malloc(i * sizeof(ulint)); - *data_file_is_raw_partition = (ulint*)ut_malloc(i * sizeof(ulint)); + srv_data_file_names = malloc(i * sizeof *srv_data_file_names); + srv_data_file_sizes = malloc(i * sizeof *srv_data_file_sizes); + srv_data_file_is_raw_partition = malloc( + i * sizeof *srv_data_file_is_raw_partition); - *n_data_files = i; + srv_n_data_files = i; /* Then store the actual values to our arrays */ @@ -317,13 +294,13 @@ srv_parse_data_file_paths_and_sizes( str = srv_parse_megabytes(str, &size); - (*data_file_names)[i] = path; - (*data_file_sizes)[i] = size; + srv_data_file_names[i] = path; + srv_data_file_sizes[i] = size; if (0 == strncmp(str, ":autoextend", (sizeof ":autoextend") - 1)) { - *is_auto_extending = TRUE; + srv_auto_extend_last_data_file = TRUE; str += (sizeof ":autoextend") - 1; @@ -333,7 +310,7 @@ srv_parse_data_file_paths_and_sizes( str += (sizeof ":max:") - 1; str = srv_parse_megabytes( - str, max_auto_extend_size); + str, &srv_last_file_size_max); } if (*str != '\0') { @@ -342,21 +319,21 @@ srv_parse_data_file_paths_and_sizes( } } - (*data_file_is_raw_partition)[i] = 0; + (srv_data_file_is_raw_partition)[i] = 0; if (strlen(str) >= 6 && *str == 'n' && *(str + 1) == 'e' && *(str + 2) == 'w') { str += 3; - (*data_file_is_raw_partition)[i] = SRV_NEW_RAW; + (srv_data_file_is_raw_partition)[i] = SRV_NEW_RAW; } if (*str == 'r' && *(str + 1) == 'a' && *(str + 2) == 'w') { str += 3; - if ((*data_file_is_raw_partition)[i] == 0) { - (*data_file_is_raw_partition)[i] = SRV_OLD_RAW; + if ((srv_data_file_is_raw_partition)[i] == 0) { + (srv_data_file_is_raw_partition)[i] = SRV_OLD_RAW; } } @@ -377,15 +354,15 @@ UNIV_INTERN ibool srv_parse_log_group_home_dirs( /*==========================*/ - /* out: TRUE if ok, FALSE if parsing - error */ - char* str, /* in: character string */ - char*** log_group_home_dirs) /* out, own: log group home dirs */ + /* out: TRUE if ok, FALSE on parse error */ + char* str) /* in/out: character string */ { char* input_str; char* path; ulint i = 0; + srv_log_group_home_dirs = NULL; + input_str = str; /* First calculate the number of directories and check syntax: @@ -415,7 +392,7 @@ srv_parse_log_group_home_dirs( return(FALSE); } - *log_group_home_dirs = (char**) ut_malloc(i * sizeof(void*)); + srv_log_group_home_dirs = malloc(i * sizeof *srv_log_group_home_dirs); /* Then store the actual values to our array */ @@ -434,7 +411,7 @@ srv_parse_log_group_home_dirs( str++; } - (*log_group_home_dirs)[i] = path; + srv_log_group_home_dirs[i] = path; i++; } @@ -442,11 +419,28 @@ srv_parse_log_group_home_dirs( return(TRUE); } +/************************************************************************* +Frees the memory allocated by srv_parse_data_file_paths_and_sizes() +and srv_parse_log_group_home_dirs(). */ +UNIV_INTERN +void +srv_free_paths_and_sizes(void) +/*==========================*/ +{ + free(srv_data_file_names); + srv_data_file_names = NULL; + free(srv_data_file_sizes); + srv_data_file_sizes = NULL; + free(srv_data_file_is_raw_partition); + srv_data_file_is_raw_partition = NULL; + free(srv_log_group_home_dirs); + srv_log_group_home_dirs = NULL; +} + #ifndef UNIV_HOTBACKUP /************************************************************************ I/o-handler thread function. */ static - os_thread_ret_t io_handler_thread( /*==============*/ @@ -1079,7 +1073,7 @@ innobase_start_or_create_for_mysql(void) "InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n"); #endif - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { fprintf(stderr, "InnoDB: The InnoDB memory heap is disabled\n"); } @@ -1087,13 +1081,15 @@ innobase_start_or_create_for_mysql(void) #ifdef HAVE_GCC_ATOMIC_BUILTINS #ifdef INNODB_RW_LOCKS_USE_ATOMICS fprintf(stderr, - "InnoDB: Mutex and rw_lock use GCC atomic builtins.\n"); -#else + "InnoDB: Mutexes and rw_locks use GCC atomic builtins.\n"); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ fprintf(stderr, - "InnoDB: Mutex use GCC atomic builtins.\n"); -#endif - -#endif + "InnoDB: Mutexes use GCC atomic builtins, rw_locks do not.\n"); +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +#else /* HAVE_GCC_ATOMIC_BUILTINS */ + fprintf(stderr, + "InnoDB: Neither mutexes nor rw_locks use GCC atomic builtins.\n"); +#endif /* HAVE_GCC_ATOMIC_BUILTINS */ /* Since InnoDB does not currently clean up all its internal data structures in MySQL Embedded Server Library server_end(), we @@ -1309,7 +1305,8 @@ innobase_start_or_create_for_mysql(void) } } - fil_init(srv_max_n_open_files); + fil_init(srv_file_per_table ? 50000 : 5000, + srv_max_n_open_files); ret = buf_pool_init(); diff --git a/sync/sync0arr.c b/sync/sync0arr.c index 2897846f2de..dcf2744ac87 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The wait array used in synchronization primitives -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "sync0arr.h" #ifdef UNIV_NONINL @@ -866,7 +857,7 @@ sync_array_object_signalled( sync_array_t* arr) /* in: wait array */ { #ifdef HAVE_GCC_ATOMIC_BUILTINS - os_atomic_increment((lint*) &arr->sg_count, 1); + (void) os_atomic_increment(&arr->sg_count, 1); #else sync_array_enter(arr); diff --git a/sync/sync0rw.c b/sync/sync0rw.c index 7b675cc537d..09c732eefc9 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The read-write lock (for thread synchronization) -(c) 1995 Innobase Oy - Created 9/11/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "sync0rw.h" #ifdef UNIV_NONINL @@ -247,15 +238,15 @@ rw_lock_create_func( lock->mutex.cfile_name = cfile_name; lock->mutex.cline = cline; -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP +# if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP lock->mutex.cmutex_name = cmutex_name; lock->mutex.mutex_type = 1; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ +# endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ #else /* INNODB_RW_LOCKS_USE_ATOMICS */ -#ifdef UNIV_DEBUG +# ifdef UNIV_DEBUG UT_NOT_USED(cmutex_name); -#endif +# endif #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ lock->lock_word = X_LOCK_DECR; @@ -572,8 +563,8 @@ rw_lock_x_lock_low( } else { /* Decrement failed: relock or failed lock */ - if (!pass && lock->recursive && - os_thread_eq(lock->writer_thread, curr_thread)) { + if (!pass && lock->recursive + && os_thread_eq(lock->writer_thread, curr_thread)) { /* Relock */ lock->lock_word -= X_LOCK_DECR; } else { diff --git a/sync/sync0sync.c b/sync/sync0sync.c index d83db8ee77b..ff4399487d5 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1,42 +1,33 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Mutex, the basic synchronization primitive -(c) 1995 Innobase Oy - Created 9/5/1995 Heikki Tuuri *******************************************************/ -/*********************************************************************** -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials -# provided with the distribution. -# * Neither the name of the Google Inc. nor the names of its -# contributors may be used to endorse or promote products -# derived from this software without specific prior written -# permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Note, the BSD license applies to the new code. The old code is GPL. -***********************************************************************/ #include "sync0sync.h" #ifdef UNIV_NONINL @@ -1116,9 +1107,10 @@ sync_thread_add_level( /* Either the thread must own the buffer pool mutex (buf_pool_mutex), or it is allowed to latch only ONE buffer block (block->mutex or buf_pool_zip_mutex). */ - ut_a((sync_thread_levels_contain(array, SYNC_BUF_POOL) - && sync_thread_levels_g(array, SYNC_BUF_BLOCK - 1)) - || sync_thread_levels_g(array, SYNC_BUF_BLOCK)); + if (!sync_thread_levels_g(array, level)) { + ut_a(sync_thread_levels_g(array, level - 1)); + ut_a(sync_thread_levels_contain(array, SYNC_BUF_POOL)); + } break; case SYNC_REC_LOCK: ut_a((sync_thread_levels_contain(array, SYNC_KERNEL) diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 5957b14562d..b9edac63597 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The thread local storage -(c) 1995 Innobase Oy - Created 10/5/1995 Heikki Tuuri *******************************************************/ diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 81e259c92f6..512e38cc17e 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** INFORMATION SCHEMA innodb_trx, innodb_locks and innodb_lock_waits tables fetch code. @@ -6,8 +24,6 @@ The code below fetches information needed to fill those 3 dynamic tables and uploads it into a "transactions table cache" for later retrieval. -(c) 2007 Innobase Oy - Created July 17, 2007 Vasil Dimov *******************************************************/ diff --git a/trx/trx0purge.c b/trx/trx0purge.c index 52d3cfc878e..7a2a27a94ff 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Purge old versions -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/trx/trx0rec.c b/trx/trx0rec.c index bc7d76c32b5..dfd1c7e2a67 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log record -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -14,15 +30,16 @@ Created 3/26/1996 Heikki Tuuri #include "fsp0fsp.h" #include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" #include "trx0undo.h" +#include "mtr0log.h" +#ifndef UNIV_HOTBACKUP #include "dict0dict.h" #include "ut0mem.h" #include "row0ext.h" #include "row0upd.h" #include "que0que.h" #include "trx0purge.h" +#include "trx0rseg.h" #include "row0row.h" /*=========== UNDO LOG RECORD CREATION AND DECODING ====================*/ @@ -66,6 +83,7 @@ trx_undof_page_add_undo_rec_log( mlog_catenate_string(mtr, undo_page + old_free + 2, len); } } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses a redo log record of adding an undo log record. */ @@ -114,6 +132,7 @@ trx_undo_parse_add_undo_rec( return(ptr + len); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Calculates the free space left for extending an undo log record. */ UNIV_INLINE @@ -1076,6 +1095,7 @@ trx_undo_rec_get_partial_row( return(ptr); } +#endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Erases the unused undo log page end. */ @@ -1120,6 +1140,7 @@ trx_undo_parse_erase_page_end( return(ptr); } +#ifndef UNIV_HOTBACKUP /*************************************************************************** Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the @@ -1589,3 +1610,4 @@ trx_undo_prev_version_build( return(DB_SUCCESS); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 6a478aa850b..5f3cb15a254 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction rollback -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 7f7e3f41f55..db5efd65eb3 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Rollback segment -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 68bcc41a2a3..1c736b1ee8c 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction system -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -12,6 +28,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0sys.ic" #endif +#ifndef UNIV_HOTBACKUP #include "fsp0fsp.h" #include "mtr0mtr.h" #include "trx0trx.h" @@ -322,9 +339,9 @@ start_again: be written to disk in a flush */ mlog_write_ulint(buf_block_get_frame(new_block) - + FIL_PAGE_DATA, - TRX_SYS_DOUBLEWRITE_MAGIC_N, - MLOG_4BYTES, &mtr); + + FIL_PAGE_TYPE, + FIL_PAGE_TYPE_ALLOCATED, + MLOG_2BYTES, &mtr); if (i == FSP_EXTENT_SIZE / 2) { mlog_write_ulint(doublewrite @@ -697,41 +714,6 @@ trx_sys_update_mysql_binlog_offset( MLOG_4BYTES, mtr); } -#ifdef UNIV_HOTBACKUP -/********************************************************************* -Prints to stderr the MySQL binlog info in the system header if the -magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset_from_page( -/*========================================*/ - const byte* page) /* in: buffer containing the trx - system header page, i.e., page number - TRX_SYS_PAGE_NO in the tablespace */ -{ - const trx_sysf_t* sys_header; - - sys_header = page + TRX_SYS; - - if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) - == TRX_SYS_MYSQL_LOG_MAGIC_N) { - - fprintf(stderr, - "ibbackup: Last MySQL binlog file position %lu %lu," - " file name %s\n", - (ulong) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), - (ulong) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_LOW), - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_NAME); - } -} -#endif /* UNIV_HOTBACKUP */ - /********************************************************************* Stores the MySQL binlog offset info in the trx system header if the magic number shows it valid, and print the info to stderr */ @@ -1314,3 +1296,37 @@ trx_sys_file_format_close(void) { /* Does nothing at the moment */ } +#else /* !UNIV_HOTBACKUP */ +/********************************************************************* +Prints to stderr the MySQL binlog info in the system header if the +magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset_from_page( +/*========================================*/ + const byte* page) /* in: buffer containing the trx + system header page, i.e., page number + TRX_SYS_PAGE_NO in the tablespace */ +{ + const trx_sysf_t* sys_header; + + sys_header = page + TRX_SYS; + + if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) + == TRX_SYS_MYSQL_LOG_MAGIC_N) { + + fprintf(stderr, + "ibbackup: Last MySQL binlog file position %lu %lu," + " file name %s\n", + (ulong) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), + (ulong) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_LOW), + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_NAME); + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/trx/trx0trx.c b/trx/trx0trx.c index d7e40c07201..965c2f24cbc 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** The transaction -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -167,8 +183,6 @@ trx_create( trx->autoinc_locks = ib_vector_create( mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); - trx_reset_new_rec_lock_info(trx); - return(trx); } diff --git a/trx/trx0undo.c b/trx/trx0undo.c index ace315cde61..cdf70a8d3d0 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Transaction undo log -(c) 1996 Innobase Oy - Created 3/26/1996 Heikki Tuuri *******************************************************/ @@ -13,13 +29,13 @@ Created 3/26/1996 Heikki Tuuri #endif #include "fsp0fsp.h" +#ifndef UNIV_HOTBACKUP #include "mach0data.h" #include "trx0rseg.h" #include "trx0trx.h" #include "srv0srv.h" #include "trx0rec.h" #include "trx0purge.h" -#include "trx0xa.h" /* How should the old versions in the history list be managed? ---------------------------------------------------------- @@ -75,6 +91,7 @@ it until a truncate operation occurs, which can remove undo logs from the end of the list and release undo log segments. In stepping through the list, s-latches on the undo log pages are enough, but in a truncate, x-latches must be obtained on the rollback segment and individual pages. */ +#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Initializes the fields in an undo log segment page. */ @@ -85,6 +102,8 @@ trx_undo_page_init( page_t* undo_page, /* in: undo log segment page */ ulint type, /* in: undo log segment type */ mtr_t* mtr); /* in: mtr */ + +#ifndef UNIV_HOTBACKUP /************************************************************************ Creates and initializes an undo log memory object. */ static @@ -101,6 +120,7 @@ trx_undo_mem_create( const XID* xid, /* in: X/Open XA transaction identification*/ ulint page_no,/* in: undo log header page number */ ulint offset);/* in: undo log header byte offset on page */ +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Initializes a cached insert undo log header page for new use. NOTE that this function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change @@ -124,7 +144,7 @@ trx_undo_discard_latest_update_undo( page_t* undo_page, /* in: header page of an undo log of size 1 */ mtr_t* mtr); /* in: mtr */ - +#ifndef UNIV_HOTBACKUP /*************************************************************************** Gets the previous record in an undo log from the previous page. */ static @@ -331,6 +351,9 @@ trx_undo_page_init_log( mlog_catenate_ulint_compressed(mtr, type); } +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_page_init_log(undo_page,type,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses the redo log entry of an undo log page initialization. */ @@ -386,6 +409,7 @@ trx_undo_page_init( trx_undo_page_init_log(undo_page, type, mtr); } +#ifndef UNIV_HOTBACKUP /******************************************************************* Creates a new undo log segment in file. */ static @@ -498,6 +522,9 @@ trx_undo_header_create_log( mlog_catenate_dulint_compressed(mtr, trx_id); } +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_header_create_log(undo_page,trx_id,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Creates a new undo log header in file. NOTE that this function has its own @@ -571,6 +598,7 @@ trx_undo_header_create( return(free); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Write X/Open XA Transaction Identification (XID) to undo log header */ static @@ -665,6 +693,9 @@ trx_undo_insert_header_reuse_log( mlog_catenate_dulint_compressed(mtr, trx_id); } +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_insert_header_reuse_log(undo_page,trx_id,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses the redo log entry of an undo log page header create or reuse. */ @@ -760,6 +791,7 @@ trx_undo_insert_header_reuse( return(free); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Writes the redo log entry of an update undo log header discard. */ UNIV_INLINE @@ -771,6 +803,9 @@ trx_undo_discard_latest_log( { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_DISCARD, mtr); } +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_discard_latest_log(undo_page, mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ /*************************************************************** Parses the redo log entry of an undo log page header discard. */ @@ -835,6 +870,7 @@ trx_undo_discard_latest_update_undo( trx_undo_discard_latest_log(undo_page, mtr); } +#ifndef UNIV_HOTBACKUP /************************************************************************ Tries to add a page to the undo log segment where the undo log is placed. */ UNIV_INTERN @@ -1965,3 +2001,4 @@ trx_undo_insert_cleanup( mutex_exit(&(rseg->mutex)); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/usr/usr0sess.c b/usr/usr0sess.c index 8c5780d4c2b..f45c43869ea 100644 --- a/usr/usr0sess.c +++ b/usr/usr0sess.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /****************************************************** Sessions -(c) 1996 Innobase Oy - Created 6/25/1996 Heikki Tuuri *******************************************************/ diff --git a/ut/ut0auxconf.c b/ut/ut0auxconf.c new file mode 100644 index 00000000000..fd9433d16f6 --- /dev/null +++ b/ut/ut0auxconf.c @@ -0,0 +1,13 @@ +#include + +int +main(int argc, char** argv) +{ + pthread_t x1; + pthread_t x2; + pthread_t x3; + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); +} diff --git a/ut/ut0byte.c b/ut/ut0byte.c index a6f5c3601ce..5e11e37d0b6 100644 --- a/ut/ut0byte.c +++ b/ut/ut0byte.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************************* Byte utilities -(c) 1994, 1995 Innobase Oy - Created 5/11/1994 Heikki Tuuri ********************************************************************/ diff --git a/ut/ut0dbg.c b/ut/ut0dbg.c index e706ee119c4..983ee5835e4 100644 --- a/ut/ut0dbg.c +++ b/ut/ut0dbg.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /********************************************************************* Debug utilities for Innobase. -(c) 1994, 1995 Innobase Oy - Created 1/30/1994 Heikki Tuuri **********************************************************************/ @@ -41,10 +57,15 @@ ut_dbg_assertion_failed( ulint line) /* in: line number of the assertion */ { ut_print_timestamp(stderr); +#ifdef UNIV_HOTBACKUP + fprintf(stderr, " InnoDB: Assertion failure in file %s line %lu\n", + file, line); +#else /* UNIV_HOTBACKUP */ fprintf(stderr, " InnoDB: Assertion failure in thread %lu" " in file %s line %lu\n", os_thread_pf(os_thread_get_curr_id()), file, line); +#endif /* UNIV_HOTBACKUP */ if (expr) { fprintf(stderr, "InnoDB: Failing assertion: %s\n", expr); @@ -90,9 +111,11 @@ ut_dbg_stop_thread( const char* file, ulint line) { +#ifndef UNIV_HOTBACKUP fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n", os_thread_pf(os_thread_get_curr_id()), file, line); os_thread_sleep(1000000000); +#endif /* !UNIV_HOTBACKUP */ } # endif #endif /* __NETWARE__ */ diff --git a/ut/ut0list.c b/ut/ut0list.c index a48992a9630..c6250edb6cd 100644 --- a/ut/ut0list.c +++ b/ut/ut0list.c @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #include "ut0list.h" #ifdef UNIV_NONINL #include "ut0list.ic" diff --git a/ut/ut0mem.c b/ut/ut0mem.c index 1321e7d9687..73d8565fa68 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /************************************************************************ Memory primitives -(c) 1994, 1995 Innobase Oy - Created 5/11/1994 Heikki Tuuri *************************************************************************/ @@ -12,16 +28,22 @@ Created 5/11/1994 Heikki Tuuri #include "ut0mem.ic" #endif -#include "mem0mem.h" -#include "os0sync.h" -#include "os0thread.h" -#include "srv0srv.h" +#ifndef UNIV_HOTBACKUP +# include "os0thread.h" +# include "srv0srv.h" + +#include /* This struct is placed first in every allocated memory block */ typedef struct ut_mem_block_struct ut_mem_block_t; -/* The total amount of memory currently allocated from the OS with malloc */ -UNIV_INTERN ulint ut_total_allocated_memory = 0; +/* The total amount of memory currently allocated from the operating +system with os_mem_alloc_large() or malloc(). Does not count malloc() +if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ +UNIV_INTERN ulint ut_total_allocated_memory = 0; + +/* Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +UNIV_INTERN os_fast_mutex_t ut_list_mutex; struct ut_mem_block_struct{ UT_LIST_NODE_T(ut_mem_block_t) mem_block_list; @@ -33,26 +55,26 @@ struct ut_mem_block_struct{ #define UT_MEM_MAGIC_N 1601650166 /* List of all memory blocks allocated from the operating system -with malloc */ +with malloc. Protected by ut_list_mutex. */ static UT_LIST_BASE_NODE_T(ut_mem_block_t) ut_mem_block_list; -static os_fast_mutex_t ut_list_mutex; /* this protects the list */ - static ibool ut_mem_block_list_inited = FALSE; static ulint* ut_mem_null_ptr = NULL; /************************************************************************** Initializes the mem block list at database startup. */ -static +UNIV_INTERN void -ut_mem_block_list_init(void) -/*========================*/ +ut_mem_init(void) +/*=============*/ { + ut_a(!ut_mem_block_list_inited); os_fast_mutex_init(&ut_list_mutex); UT_LIST_INIT(ut_mem_block_list); ut_mem_block_list_inited = TRUE; } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is @@ -69,10 +91,11 @@ ut_malloc_low( ibool assert_on_error)/* in: if TRUE, we crash mysqld if the memory cannot be allocated */ { +#ifndef UNIV_HOTBACKUP ulint retry_count; void* ret; - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { ret = malloc(n); ut_a(ret || !assert_on_error); @@ -86,10 +109,7 @@ ut_malloc_low( } ut_ad((sizeof(ut_mem_block_t) % 8) == 0); /* check alignment ok */ - - if (UNIV_UNLIKELY(!ut_mem_block_list_inited)) { - ut_mem_block_list_init(); - } + ut_a(ut_mem_block_list_inited); retry_count = 0; retry: @@ -190,6 +210,17 @@ retry: os_fast_mutex_unlock(&ut_list_mutex); return((void*)((byte*)ret + sizeof(ut_mem_block_t))); +#else /* !UNIV_HOTBACKUP */ + void* ret = malloc(n); + ut_a(ret || !assert_on_error); + +# ifdef UNIV_SET_MEM_TO_ZERO + if (set_to_zero) { + memset(ret, '\0', n); + } +# endif + return(ret); +#endif /* !UNIV_HOTBACKUP */ } /************************************************************************** @@ -202,9 +233,14 @@ ut_malloc( /* out, own: allocated memory */ ulint n) /* in: number of bytes to allocate */ { +#ifndef UNIV_HOTBACKUP return(ut_malloc_low(n, TRUE, TRUE)); +#else /* !UNIV_HOTBACKUP */ + return(malloc(n)); +#endif /* !UNIV_HOTBACKUP */ } +#ifndef UNIV_HOTBACKUP /************************************************************************** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to @@ -244,6 +280,7 @@ ut_test_malloc( return(TRUE); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Frees a memory block allocated with ut_malloc. */ @@ -253,9 +290,10 @@ ut_free( /*====*/ void* ptr) /* in, own: memory block */ { +#ifndef UNIV_HOTBACKUP ut_mem_block_t* block; - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { free(ptr); return; } @@ -273,8 +311,12 @@ ut_free( free(block); os_fast_mutex_unlock(&ut_list_mutex); +#else /* !UNIV_HOTBACKUP */ + free(ptr); +#endif /* !UNIV_HOTBACKUP */ } +#ifndef UNIV_HOTBACKUP /************************************************************************** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not use this function because the allocation functions in mem0mem.h are the @@ -312,7 +354,7 @@ ut_realloc( ulint min_size; void* new_ptr; - if (srv_use_sys_malloc) { + if (UNIV_LIKELY(srv_use_sys_malloc)) { return(realloc(ptr, size)); } @@ -363,10 +405,7 @@ ut_free_all_mem(void) { ut_mem_block_t* block; - if (!ut_mem_block_list_inited) { - return; - } - + ut_a(ut_mem_block_list_inited); ut_mem_block_list_inited = FALSE; os_fast_mutex_free(&ut_list_mutex); @@ -388,6 +427,7 @@ ut_free_all_mem(void) (ulong) ut_total_allocated_memory); } } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** Copies up to size - 1 characters from the NUL-terminated string src to @@ -484,6 +524,7 @@ ut_memcpyq( return(dest); } +#ifndef UNIV_HOTBACKUP /************************************************************************** Return the number of times s2 occurs in s1. Overlapping instances of s2 are only counted once. */ @@ -656,3 +697,4 @@ test_ut_str_sql_format() } #endif /* UNIV_COMPILE_TEST_FUNCS */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/ut/ut0rnd.c b/ut/ut0rnd.c index c7a0ca1ab2a..f5d6cb08b0f 100644 --- a/ut/ut0rnd.c +++ b/ut/ut0rnd.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************************* Random numbers and hashing -(c) 1994, 1995 Innobase Oy - Created 5/11/1994 Heikki Tuuri ********************************************************************/ diff --git a/ut/ut0ut.c b/ut/ut0ut.c index adb0df31a82..016df3a0af5 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -1,8 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + /******************************************************************* Various utilities for Innobase. -(c) 1994, 1995 Innobase Oy - Created 5/11/1994 Heikki Tuuri ********************************************************************/ @@ -16,9 +32,9 @@ Created 5/11/1994 Heikki Tuuri #include #include -#include "trx0trx.h" -#include "ha_prototypes.h" #ifndef UNIV_HOTBACKUP +# include "trx0trx.h" +# include "ha_prototypes.h" # include "mysql_com.h" /* NAME_LEN */ #endif /* UNIV_HOTBACKUP */ @@ -353,6 +369,7 @@ ut_get_year_month_day( } #endif /* UNIV_HOTBACKUP */ +#ifndef UNIV_HOTBACKUP /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay in microseconds on 100 MHz Pentium + Visual C++. */ @@ -377,6 +394,7 @@ ut_delay( return(j); } +#endif /* !UNIV_HOTBACKUP */ /***************************************************************** Prints the contents of a memory buffer in hex and ascii. */ @@ -458,7 +476,7 @@ ut_print_filename( done: putc('\'', f); } - +#ifndef UNIV_HOTBACKUP /************************************************************************** Outputs a fixed-length string, quoted as an SQL identifier. If the string contains a slash '/', the string will be @@ -493,9 +511,6 @@ ut_print_namel( const char* name, /* in: name to print */ ulint namelen)/* in: length of name */ { -#ifdef UNIV_HOTBACKUP - fwrite(name, 1, namelen, f); -#else /* 2 * NAME_LEN for database and table name, and some slack for the #mysql50# prefix and quotes */ char buf[3 * NAME_LEN]; @@ -507,7 +522,6 @@ ut_print_namel( table_id); fwrite(buf, 1, bufend - buf, f); -#endif } /************************************************************************** @@ -535,6 +549,7 @@ ut_copy_file( } } while (len > 0); } +#endif /* !UNIV_HOTBACKUP */ /************************************************************************** snprintf(). */ diff --git a/ut/ut0vec.c b/ut/ut0vec.c index c66eaf2c48b..69b7bec701a 100644 --- a/ut/ut0vec.c +++ b/ut/ut0vec.c @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #include "ut0vec.h" #ifdef UNIV_NONINL #include "ut0vec.ic" diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index b9f287d9e33..a5c14ac8130 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -1,3 +1,21 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + #include "ut0wqueue.h" /******************************************************************** diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff index 46d2e5b2d2d..6547217ea42 100644 --- a/win-plugin/win-plugin.diff +++ b/win-plugin/win-plugin.diff @@ -1,7 +1,7 @@ diff -Nur CMakeLists.txt.orig CMakeLists.txt --- CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 +++ CMakeLists.txt 2008-09-26 17:32:51 -05:00 -@@ -244,9 +244,9 @@ +@@ -254,9 +254,9 @@ IF(WITH_FEDERATED_STORAGE_ENGINE) ADD_SUBDIRECTORY(storage/federated) ENDIF(WITH_FEDERATED_STORAGE_ENGINE) @@ -17,7 +17,7 @@ diff -Nur CMakeLists.txt.orig CMakeLists.txt diff -Nur sql/CMakeLists.txt.orig sql/CMakeLists.txt --- sql/CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 +++ sql/CMakeLists.txt 2008-09-24 03:58:19 -05:00 -@@ -100,6 +100,15 @@ +@@ -98,6 +98,15 @@ LINK_FLAGS "/PDB:${CMAKE_CFG_INTDIR}/mysqld${MYSQLD_EXE_SUFFIX}.pdb") ENDIF(cmake_version EQUAL 20406) @@ -243,9 +243,9 @@ diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def diff -Nur win/configure.js.orig win/configure.js --- win/configure.js.orig 2008-09-26 21:18:37 -05:00 +++ win/configure.js 2008-10-01 11:21:27 -05:00 -@@ -49,6 +49,7 @@ - case "CYBOZU": +@@ -50,6 +50,7 @@ case "EMBED_MANIFESTS": + case "EXTRA_DEBUG": case "WITH_EMBEDDED_SERVER": + case "INNODB_DYNAMIC_PLUGIN": configfile.WriteLine("SET (" + args.Item(i) + " TRUE)"); @@ -281,6 +281,7 @@ diff -Nur win/build-vs8.bat.orig win/build-vs8.bat -cmake -G "Visual Studio 8 2005" +cmake -G "Visual Studio 8 2005" -DCMAKE_BUILD_TYPE=%1 copy cmakecache.txt win\vs8cache.txt + diff -Nur win/build-vs8_x64.bat.orig win/build-vs8_x64.bat --- win/build-vs8_x64.bat.orig 2008-08-20 10:21:59 -05:00 +++ win/build-vs8_x64.bat 2008-10-27 10:53:11 -05:00 @@ -295,3 +296,23 @@ diff -Nur win/build-vs8_x64.bat.orig win/build-vs8_x64.bat -cmake -G "Visual Studio 8 2005 Win64" +cmake -G "Visual Studio 8 2005 Win64" -DCMAKE_BUILD_TYPE=%1 copy cmakecache.txt win\vs8cache.txt + +diff -Nur old/build-vs9.bat new/build-vs9.bat +--- win/build-vs9.bat.orig 2008-11-17 14:07:18 -06:00 ++++ win/build-vs9.bat 2009-03-21 03:45:34 -05:00 +@@ -14,5 +14,5 @@ + REM You should have received a copy of the GNU General Public License + REM along with this program; if not, write to the Free Software + REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +-cmake -G "Visual Studio 9 2008" ++cmake -G "Visual Studio 9 2008" -DCMAKE_BUILD_TYPE=%1 + +diff -Nur old/build-vs9_x64.bat new/build-vs9_x64.bat +--- win/build-vs9_x64.bat.orig 2008-11-17 14:07:18 -06:00 ++++ win/build-vs9_x64.bat 2009-03-21 03:45:42 -05:00 +@@ -14,5 +14,5 @@ + REM You should have received a copy of the GNU General Public License + REM along with this program; if not, write to the Free Software + REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +-cmake -G "Visual Studio 9 2008 Win64" ++cmake -G "Visual Studio 9 2008 Win64" -DCMAKE_BUILD_TYPE=%1 From 6129c15f05386c607d5ff56c93faf240fec37b69 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 6 Apr 2009 11:18:22 +0000 Subject: [PATCH 132/400] branches/innodb+: Merge revisions 4528:4657 from branches/zip: ------------------------------------------------------------------------ r4530 | marko | 2009-03-24 14:02:29 +0200 (Tue, 24 Mar 2009) | 3 lines branches/zip: Remove references to UNIV_HOTBACKUP from files that are not used when building InnoDB Hot Backup. Declare innobase_invalidate_query_cache() in ha_prototypes.h. ------------------------------------------------------------------------ r4531 | marko | 2009-03-24 15:46:12 +0200 (Tue, 24 Mar 2009) | 7 lines branches/zip: Note that buf_page_t::list and buf_page_t::in_flush_list are only protected by buf_pool_mutex, not by the block mutex. buf_page_release(): Remove the assertion on in_flush_list. The function is only holding block->mutex, not buf_pool_mutex. This was reported by Sunny. This was the only piece of code that accessed in_flush_list while not holding buf_pool_mutex. ------------------------------------------------------------------------ r4532 | calvin | 2009-03-24 17:59:45 +0200 (Tue, 24 Mar 2009) | 13 lines branches/zip: Mantis issue #201 - remove innodb_plugin_init() due to new option --ignore_builtin_innodb Starting 5.1.33, MySQL has a new option --ignore_builtin_innodb for using the dynamic plugin. It is required to remove innodb_plugin_init() in the plugin. This patch removes innodb_plugin_init() as well as functions, variables used by innodb_plugin_init(). rb://98 Approved by: Marko ------------------------------------------------------------------------ r4543 | inaam | 2009-03-25 19:18:33 +0200 (Wed, 25 Mar 2009) | 17 lines branches/zip SHOW ENGINE INNODB MUTEX shows all mutexes and rw_locks. This can be overwhelming particularly when the buffer pool is very large (note that each block in buffer pool has at least one mutex, one rw_lock and an additional mutex if rw_lock does not use atomics). With this patch status of following mutexes and rw-locks is not shown: 1) block->mutex 2) block->lock 3) block->lock->mutex (if applicable) 4) All other mutexes and rw-locks for which number of os-waits are zero Addresses issue# 179 rb://99 Approved by: Marko ------------------------------------------------------------------------ r4579 | marko | 2009-03-31 10:40:58 +0300 (Tue, 31 Mar 2009) | 3 lines branches/zip: struct read_view_struct: Add clarifying comments about low_limit_id and up_limit_id. ------------------------------------------------------------------------ r4630 | calvin | 2009-04-02 15:46:47 +0300 (Thu, 02 Apr 2009) | 6 lines branches/zip: Mantis issue #197 - Make srv_spin_wait_delay configurable New parameter innodb_spin_wait_delay to set the maximum delay between polling for a spin lock. 5 is the default. Approved by: Marko (on IM) ------------------------------------------------------------------------ r4631 | marko | 2009-04-02 16:23:12 +0300 (Thu, 02 Apr 2009) | 24 lines branches/zip: Refuse to use newly created indexes that may lack history. This addresses Mantis issue #116. dict_index_t: Enable the storage of trx_id. row_prebuilt_t: Make many fields bit-fields to reduce the memory footprint. Add index_usable. ha_innobase::change_active_index(): Check if the index is usable and set prebuilt->index_usable accordingly. Unfortunately, the return status of this function is ignored by MySQL, and the actual refusal to use the index must be made in row_search_for_mysql(). row_search_for_mysql(): Return DB_MISSING_HISTORY if !prebuilt->index_usable. convert_error_code_to_mysql(): Map DB_MISSING_HISTORY to HA_ERR_TABLE_DEF_CHANGED. innodb-index.test: Add a test case where access to a newly created secondary index must be blocked for old transactions. rb://100 approved by Heikki Tuuri ------------------------------------------------------------------------ r4647 | vasil | 2009-04-06 10:05:25 +0300 (Mon, 06 Apr 2009) | 4 lines branches/zip: Add changelog entry for c4630. ------------------------------------------------------------------------ r4648 | vasil | 2009-04-06 10:07:26 +0300 (Mon, 06 Apr 2009) | 4 lines branches/zip: Fix formatting in ChangeLog to be consistent. ------------------------------------------------------------------------ r4657 | marko | 2009-04-06 15:13:45 +0300 (Mon, 06 Apr 2009) | 1 line branches/zip: Remove the bogus failure reported in Issue #219. ------------------------------------------------------------------------ --- ChangeLog | 20 +++ buf/buf0buf.c | 45 ++++-- dict/dict0crea.c | 6 +- dict/dict0load.c | 11 +- handler/ha_innodb.cc | 270 +++++---------------------------- handler/ha_innodb.h | 8 - handler/win_delay_loader.cc | 12 -- include/buf0buf.h | 23 ++- include/buf0buf.ic | 4 - include/dict0crea.h | 2 - include/dict0load.h | 2 - include/dict0mem.h | 6 +- include/ha_prototypes.h | 21 ++- include/os0sync.ic | 8 - include/read0read.h | 11 +- include/rem0cmp.h | 2 - include/row0merge.h | 2 - include/row0mysql.h | 28 ++-- include/srv0srv.h | 2 +- include/sync0sync.h | 8 +- include/sync0sync.ic | 4 +- lock/lock0lock.c | 9 +- mysql-test/innodb-index.result | 36 +++++ mysql-test/innodb-index.test | 23 +++ os/os0sync.c | 10 +- rem/rem0cmp.c | 29 ---- row/row0ins.c | 41 +---- row/row0merge.c | 16 +- row/row0mysql.c | 17 +-- row/row0row.c | 4 - row/row0sel.c | 5 + srv/srv0srv.c | 25 +-- sync/sync0rw.c | 17 +-- sync/sync0sync.c | 32 ++-- trx/trx0roll.c | 8 - 35 files changed, 255 insertions(+), 512 deletions(-) diff --git a/ChangeLog b/ChangeLog index 4e9f88cde18..e89eb3526ca 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,23 @@ +2009-04-06 The InnoDB Team + + * sync/sync0rw.c: + Avoid a bogus failure in UNIV_SYNC_DEBUG diagnostics. + +2009-04-02 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: + Add new parameter innodb_spin_wait_delay to set the maximum delay + between polling for a spin lock. + +2009-04-02 The InnoDB Team + + * dict/dict0crea.c, handler/ha_innodb.cc, handler/ha_innodb.h, + include/dict0mem.h, include/row0merge.h, include/row0mysql.h, + mysql-test/innodb-index.result, mysql-test/innodb-index.test, + row/row0merge.c, row/row0sel.c: + In consistent reads, refuse to use newly created indexes that may + lack history. + 2009-03-20 The InnoDB Team * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c878484ae8c..8ee1ead7fbc 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1994,6 +1994,36 @@ buf_block_align( return(NULL); } +/************************************************************************ +Find out if a pointer belongs to a buf_block_t. It can be a pointer to +the buf_block_t itself or a member of it */ +UNIV_INTERN +ibool +buf_pointer_is_block_field( +/*=======================*/ + /* out: TRUE if ptr belongs + to a buf_block_t struct */ + const void* ptr) /* in: pointer not + dereferenced */ +{ + const buf_chunk_t* chunk = buf_pool->chunks; + const buf_chunk_t* const echunk = chunk + buf_pool->n_chunks; + + /* TODO: protect buf_pool->chunks with a mutex (it will + currently remain constant after buf_pool_init()) */ + while (chunk < echunk) { + if (ptr >= (void *)chunk->blocks + && ptr < (void *)(chunk->blocks + chunk->size)) { + + return(TRUE); + } + + chunk++; + } + + return(FALSE); +} + /************************************************************************ Find out if a buffer block was created by buf_chunk_init(). */ static @@ -2006,9 +2036,6 @@ buf_block_is_uncompressed( const buf_block_t* block) /* in: pointer to block, not dereferenced */ { - const buf_chunk_t* chunk = buf_pool->chunks; - const buf_chunk_t* const echunk = chunk + buf_pool->n_chunks; - ut_ad(buf_pool_mutex_own()); if (UNIV_UNLIKELY((((ulint) block) % sizeof *block) != 0)) { @@ -2016,17 +2043,7 @@ buf_block_is_uncompressed( return(FALSE); } - while (chunk < echunk) { - if (block >= chunk->blocks - && block < chunk->blocks + chunk->size) { - - return(TRUE); - } - - chunk++; - } - - return(FALSE); + return(buf_pointer_is_block_field((void *)block)); } /************************************************************************ diff --git a/dict/dict0crea.c b/dict/dict0crea.c index b9662c9a44c..7fe5c68bfa2 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -561,10 +561,8 @@ dict_build_index_def_step( ins_node_set_new_row(node->ind_def, row); -#ifdef ROW_MERGE_IS_INDEX_USABLE /* Note that the index was created by this transaction. */ - index->trx_id = trx->id; -#endif /* ROW_MERGE_IS_INDEX_USABLE */ + index->trx_id = (ib_uint64_t) ut_conv_dulint_to_longlong(trx->id); return(DB_SUCCESS); } @@ -1156,7 +1154,6 @@ function_exit: return(thr); } -#ifndef UNIV_HOTBACKUP /******************************************************************** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are @@ -1500,4 +1497,3 @@ dict_create_add_foreigns_to_dictionary( return(DB_SUCCESS); } -#endif /* !UNIV_HOTBACKUP */ diff --git a/dict/dict0load.c b/dict/dict0load.c index 44590a261a6..94a56cd7716 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -24,9 +24,7 @@ Created 4/24/1996 Heikki Tuuri *******************************************************/ #include "dict0load.h" -#ifndef UNIV_HOTBACKUP #include "mysql_version.h" -#endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_NONINL #include "dict0load.ic" @@ -960,7 +958,7 @@ err_exit: mem_heap_empty(heap); err = dict_load_indexes(table, heap); -#ifndef UNIV_HOTBACKUP + /* If the force recovery flag is set, we open the table irrespective of the error condition, since the user may want to dump data from the clustered index. However we load the foreign key information only if @@ -971,7 +969,7 @@ err_exit: dict_table_remove_from_cache(table); table = NULL; } -# if 0 +#if 0 if (err != DB_SUCCESS && table != NULL) { mutex_enter(&dict_foreign_err_mutex); @@ -994,8 +992,7 @@ err_exit: mutex_exit(&dict_foreign_err_mutex); } -# endif /* 0 */ -#endif /* !UNIV_HOTBACKUP */ +#endif /* 0 */ mem_heap_free(heap); return(table); @@ -1113,7 +1110,6 @@ dict_load_sys_table( mem_heap_free(heap); } -#ifndef UNIV_HOTBACKUP /************************************************************************ Loads foreign key constraint col names (also for the referenced table). */ static @@ -1457,4 +1453,3 @@ load_next_index: return(DB_SUCCESS); } -#endif /* !UNIV_HOTBACKUP */ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index c4d843dd3bc..56b55399eb0 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -115,19 +115,6 @@ undefined. Map it to NULL. */ #ifdef MYSQL_DYNAMIC_PLUGIN /* These must be weak global variables in the dynamic plugin. */ struct handlerton* innodb_hton_ptr; -#ifdef __WIN__ -struct st_mysql_plugin* builtin_innobase_plugin_ptr; -#else -int builtin_innobase_plugin; -#endif /* __WIN__ */ -/******************************************************************** -Copy InnoDB system variables from the static InnoDB to the dynamic -plugin. */ -static -bool -innodb_plugin_init(void); -/*====================*/ - /* out: TRUE if the dynamic InnoDB plugin should start */ #else /* MYSQL_DYNAMIC_PLUGIN */ /* This must be a global variable in the statically linked InnoDB. */ struct handlerton* innodb_hton_ptr = NULL; @@ -737,6 +724,9 @@ convert_error_code_to_mysql( case DB_FOREIGN_DUPLICATE_KEY: return(HA_ERR_FOREIGN_DUPLICATE_KEY); + case DB_MISSING_HISTORY: + return(HA_ERR_TABLE_DEF_CHANGED); + case DB_RECORD_NOT_FOUND: return(HA_ERR_NO_ACTIVE_RECORD); @@ -1587,20 +1577,20 @@ innobase_query_caching_of_table_permitted( } /********************************************************************* -Invalidates the MySQL query cache for the table. -NOTE that the exact prototype of this function has to be in -/innobase/row/row0ins.c! */ +Invalidates the MySQL query cache for the table. */ extern "C" UNIV_INTERN void innobase_invalidate_query_cache( /*============================*/ - trx_t* trx, /* in: transaction which modifies the table */ - char* full_name, /* in: concatenation of database name, null - char '\0', table name, null char'\0'; - NOTE that in Windows this is always - in LOWER CASE! */ - ulint full_name_len) /* in: full name length where also the null - chars count */ + trx_t* trx, /* in: transaction which + modifies the table */ + const char* full_name, /* in: concatenation of + database name, null char '\0', + table name, null char '\0'; + NOTE that in Windows this is + always in LOWER CASE! */ + ulint full_name_len) /* in: full name length where + also the null chars count */ { /* Note that the sync0sync.h rank of the query cache mutex is just above the InnoDB kernel mutex. The caller of this function must not @@ -1609,7 +1599,7 @@ innobase_invalidate_query_cache( /* Argument TRUE below means we are using transactions */ #ifdef HAVE_QUERY_CACHE mysql_query_cache_invalidate4((THD*) trx->mysql_thd, - (const char*) full_name, + full_name, (uint32) full_name_len, TRUE); #endif @@ -1861,19 +1851,6 @@ innobase_init( DBUG_ENTER("innobase_init"); handlerton *innobase_hton= (handlerton *)p; - -#ifdef MYSQL_DYNAMIC_PLUGIN - if (!innodb_plugin_init()) { - sql_print_error("InnoDB plugin init failed."); - DBUG_RETURN(-1); - } - - if (innodb_hton_ptr) { - /* Patch the statically linked handlerton and variables */ - innobase_hton = innodb_hton_ptr; - } -#endif /* MYSQL_DYNAMIC_PLUGIN */ - innodb_hton_ptr = innobase_hton; innobase_hton->state = SHOW_OPTION_YES; @@ -4726,38 +4703,6 @@ ha_innobase::try_semi_consistent_read(bool yes) } } -#ifdef ROW_MERGE_IS_INDEX_USABLE -/********************************************************************** -Check if an index can be used by the optimizer. */ -UNIV_INTERN -bool -ha_innobase::is_index_available( -/*============================*/ - /* out: true if available else false*/ - uint keynr) /* in: index number to check */ -{ - DBUG_ENTER("ha_innobase::is_index_available"); - - if (table && keynr != MAX_KEY && table->s->keys > 0) { - const dict_index_t* index; - const KEY* key = table->key_info + keynr; - - ut_ad(user_thd == ha_thd()); - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - - index = dict_table_get_index_on_name( - prebuilt->table, key->name); - - if (!row_merge_is_index_usable(prebuilt->trx, index)) { - - DBUG_RETURN(false); - } - } - - DBUG_RETURN(true); -} -#endif /* ROW_MERGE_IS_INDEX_USABLE */ - /********************************************************************** Initializes a handle to use an index. */ UNIV_INTERN @@ -5092,6 +5037,17 @@ ha_innobase::change_active_index( DBUG_RETURN(1); } + prebuilt->index_usable = row_merge_is_index_usable(prebuilt->trx, + prebuilt->index); + + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + sql_print_warning("InnoDB: insufficient history for index %u", + keynr); + /* The caller seems to ignore this. Thus, we must check + this again in row_search_for_mysql(). */ + DBUG_RETURN(2); + } + ut_a(prebuilt->search_tuple != 0); dtuple_set_n_fields(prebuilt->search_tuple, prebuilt->index->n_fields); @@ -8080,6 +8036,10 @@ innodb_mutex_show_status( mutex = UT_LIST_GET_FIRST(mutex_list); while (mutex != NULL) { + if (mutex->count_os_wait == 0 + || buf_pool_is_block_mutex(mutex)) { + goto next_mutex; + } #ifdef UNIV_DEBUG if (mutex->mutex_type != 1) { if (mutex->count_using > 0) { @@ -8128,6 +8088,7 @@ innodb_mutex_show_status( } #endif /* UNIV_DEBUG */ +next_mutex: mutex = UT_LIST_GET_NEXT(list, mutex); } @@ -8138,7 +8099,8 @@ innodb_mutex_show_status( lock = UT_LIST_GET_FIRST(rw_lock_list); while (lock != NULL) { - if (lock->count_os_wait) { + if (lock->count_os_wait + && !buf_pool_is_block_lock(lock)) { buf1len= my_snprintf(buf1, sizeof(buf1), "%s:%lu", lock->cfile_name, (ulong) lock->cline); buf2len= my_snprintf(buf2, sizeof(buf2), @@ -9671,6 +9633,11 @@ static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, "Count of spin-loop rounds in InnoDB mutexes", NULL, NULL, 20L, 0L, ~0L, 0); +static MYSQL_SYSVAR_ULONG(spin_wait_delay, srv_spin_wait_delay, + PLUGIN_VAR_OPCMDARG, + "Maximum delay between polling for a spin lock (5 by default)", + NULL, NULL, 5L, 0L, ~0L, 0); + static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency, PLUGIN_VAR_RQCMDARG, "Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.", @@ -9760,6 +9727,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(strict_mode), MYSQL_SYSVAR(support_xa), MYSQL_SYSVAR(sync_spin_loops), + MYSQL_SYSVAR(spin_wait_delay), MYSQL_SYSVAR(table_locks), MYSQL_SYSVAR(thread_concurrency), MYSQL_SYSVAR(thread_sleep_delay), @@ -9771,168 +9739,6 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { NULL }; -#ifdef MYSQL_DYNAMIC_PLUGIN -struct st_mysql_sys_var -{ - MYSQL_PLUGIN_VAR_HEADER; - void* value; -}; - -struct param_mapping -{ - const char* server; /* Parameter name in the server. */ - const char* plugin; /* Paramater name in the plugin. */ -}; - -/******************************************************************** -Match the parameters from the static and dynamic versions. */ -static -bool -innobase_match_parameter( -/*=====================*/ - /* out: true if names match */ - const char* from_server, /* in: variable name from server */ - const char* from_plugin) /* in: variable name from plugin */ -{ - static const param_mapping param_map[] = { - {"use_adaptive_hash_indexes", "adaptive_hash_index"} - }; - - if (strcmp(from_server, from_plugin) == 0) { - return(true); - } - - const param_mapping* param = param_map; - int n_elems = sizeof(param_map) / sizeof(param_map[0]); - - for (int i = 0; i < n_elems; ++i, ++param) { - - if (strcmp(param->server, from_server) == 0 - && strcmp(param->plugin, from_plugin) == 0) { - - return(true); - } - } - - return(false); -} - -/******************************************************************** -Copy InnoDB system variables from the static InnoDB to the dynamic -plugin. */ -static -bool -innodb_plugin_init(void) -/*====================*/ - /* out: TRUE if the dynamic InnoDB plugin should start */ -{ -#if !MYSQL_STORAGE_ENGINE_PLUGIN -#error "MYSQL_STORAGE_ENGINE_PLUGIN must be nonzero." -#endif - - /* Copy the system variables. */ - - struct st_mysql_plugin* builtin; - struct st_mysql_sys_var** sta; /* static parameters */ - struct st_mysql_sys_var** dyn; /* dynamic parameters */ - -#ifdef __WIN__ - if (!builtin_innobase_plugin_ptr) { - - return(true); - } - - builtin = builtin_innobase_plugin_ptr; -#else - switch (builtin_innobase_plugin) { - case 0: - return(true); - case MYSQL_STORAGE_ENGINE_PLUGIN: - break; - default: - return(false); - } - - builtin = (struct st_mysql_plugin*) &builtin_innobase_plugin; -#endif - - for (sta = builtin->system_vars; *sta != NULL; sta++) { - - for (dyn = innobase_system_variables; *dyn != NULL; dyn++) { - - /* do not copy session variables */ - if (((*sta)->flags | (*dyn)->flags) - & PLUGIN_VAR_THDLOCAL) { - continue; - } - - if (innobase_match_parameter((*sta)->name, - (*dyn)->name)) { - - /* found the corresponding parameter */ - - /* check if the flags are the same, - ignoring differences in the READONLY or - NOSYSVAR flags; - e.g. we are not copying string variable to - an integer one, but we do not care if it is - readonly in the static and not in the - dynamic */ - if (((*sta)->flags ^ (*dyn)->flags) - & ~(PLUGIN_VAR_READONLY - | PLUGIN_VAR_NOSYSVAR)) { - - fprintf(stderr, - "InnoDB: %s in static InnoDB " - "(flags=0x%x) differs from " - "%s in dynamic InnoDB " - "(flags=0x%x)\n", - (*sta)->name, (*sta)->flags, - (*dyn)->name, (*dyn)->flags); - - /* we could break; here leaving this - parameter uncopied */ - return(false); - } - - /* assign the value of the static parameter - to the dynamic one, according to their type */ - -#define COPY_VAR(label, type) \ - case label: \ - *(type*)(*dyn)->value = *(type*)(*sta)->value; \ - break; - - switch ((*sta)->flags - & ~(PLUGIN_VAR_MASK - | PLUGIN_VAR_UNSIGNED)) { - - COPY_VAR(PLUGIN_VAR_BOOL, char); - COPY_VAR(PLUGIN_VAR_INT, int); - COPY_VAR(PLUGIN_VAR_LONG, long); - COPY_VAR(PLUGIN_VAR_LONGLONG, long long); - COPY_VAR(PLUGIN_VAR_STR, char*); - - default: - fprintf(stderr, - "InnoDB: unknown flags " - "0x%x for %s\n", - (*sta)->flags, (*sta)->name); - } - - /* Make the static InnoDB variable point to - the dynamic one */ - (*sta)->value = (*dyn)->value; - - break; - } - } - } - - return(true); -} -#endif /* MYSQL_DYNAMIC_PLUGIN */ - mysql_declare_plugin(innobase) { MYSQL_STORAGE_ENGINE_PLUGIN, diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index c08dd3ed173..60636da4f4a 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -119,14 +119,6 @@ class ha_innobase: public handler void try_semi_consistent_read(bool yes); void unlock_row(); -#ifdef ROW_MERGE_IS_INDEX_USABLE - /** Check if an index can be used by this transaction. - * @param keynr key number to check - * @return true if available, false if the index - * does not contain old records that exist - * in the read view of this transaction */ - bool is_index_available(uint keynr); -#endif /* ROW_MERGE_IS_INDEX_USABLE */ int index_init(uint index, bool sorted); int index_end(); int index_read(uchar * buf, const uchar * key, diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index 1572df42e30..8997e36d604 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -72,12 +72,6 @@ uint* wdl_lower_case_table_names; ulong* wdl_specialflag; int* wdl_my_umask; -/*********************************************************************** -The following is defined in ha_innodb.cc. It is used for copying the -system variables from the builtin innodb plugin to the dynamic plugin. -*/ -extern struct st_mysql_plugin* builtin_innobase_plugin_ptr; - /*********************************************************************** The preffered load-address defined in PE (portable executable format).*/ #if defined(_M_IA64) @@ -643,12 +637,6 @@ wdl_get_external_variables(void) "?binlog_format_names@@3PAPBDA", wdl_binlog_format_names, char*); - /* It is fine if builtin_innobase_plugin is not available. */ - builtin_innobase_plugin_ptr = (struct st_mysql_plugin*) - wdl_get_varaddr_from_map( - hmod, - "?builtin_innobase_plugin@@3PAUst_mysql_plugin@@A"); - #ifndef DBUG_OFF GET_PROC_ADDR(_db_enter_); GET_PROC_ADDR(_db_return_); diff --git a/include/buf0buf.h b/include/buf0buf.h index 85dd98d8754..bbe772777db 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -912,6 +912,22 @@ buf_block_align( /*============*/ /* out: pointer to block, never NULL */ const byte* ptr); /* in: pointer to a frame */ +/************************************************************************ +Find out if a pointer belongs to a buf_block_t. It can be a pointer to +the buf_block_t itself or a member of it */ +UNIV_INTERN +ibool +buf_pointer_is_block_field( +/*=======================*/ + /* out: TRUE if ptr belongs + to a buf_block_t struct */ + const void* ptr); /* in: pointer not + dereferenced */ +#define buf_pool_is_block_mutex(m) \ + buf_pointer_is_block_field((void *)(m)) +#define buf_pool_is_block_lock(l) \ + buf_pointer_is_block_field((void *)(l)) + #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page @@ -1086,9 +1102,10 @@ struct buf_page_struct{ /* 2. Page flushing fields; protected by buf_pool_mutex */ UT_LIST_NODE_T(buf_page_t) list; - /* based on state, this is a list - node in one of the following lists - in buf_pool: + /* based on state, this is a + list node, protected only by + buf_pool_mutex, in one of the + following lists in buf_pool: BUF_BLOCK_NOT_USED: free BUF_BLOCK_FILE_PAGE: flush_list diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 6b919d63735..934a6a09585 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -1056,10 +1056,6 @@ buf_page_release( #endif block->page.buf_fix_count--; - /* Dirty blocks should be in the flush list. */ - ut_ad(!block->page.oldest_modification - || block->page.in_flush_list); - mutex_exit(&block->mutex); if (rw_latch == RW_S_LATCH) { diff --git a/include/dict0crea.h b/include/dict0crea.h index 9ac3e408f1f..b373d9454a8 100644 --- a/include/dict0crea.h +++ b/include/dict0crea.h @@ -97,7 +97,6 @@ dict_drop_index_tree( rec_t* rec, /* in/out: record in the clustered index of SYS_INDEXES table */ mtr_t* mtr); /* in: mtr having the latch on the record page */ -#ifndef UNIV_HOTBACKUP /******************************************************************** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are @@ -129,7 +128,6 @@ dict_create_add_foreigns_to_dictionary( was generated here */ dict_table_t* table, /* in: table */ trx_t* trx); /* in: transaction */ -#endif /* !UNIV_HOTBACKUP */ /* Table create node structure */ diff --git a/include/dict0load.h b/include/dict0load.h index 759cbcdb14a..023261b4732 100644 --- a/include/dict0load.h +++ b/include/dict0load.h @@ -87,7 +87,6 @@ void dict_load_sys_table( /*================*/ dict_table_t* table); /* in: system table */ -#ifndef UNIV_HOTBACKUP /*************************************************************************** Loads foreign key constraints where the table is either the foreign key holder or where the table is referenced by a foreign key. Adds these @@ -102,7 +101,6 @@ dict_load_foreigns( const char* table_name, /* in: table name */ ibool check_charsets);/* in: TRUE=check charsets compatibility */ -#endif /* !UNIV_HOTBACKUP */ /************************************************************************ Prints to the standard output information on all tables found in the data dictionary system table. */ diff --git a/include/dict0mem.h b/include/dict0mem.h index ef824bbaea8..e6dea25da20 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -279,11 +279,9 @@ struct dict_index_struct{ index tree */ rw_lock_t lock; /* read-write lock protecting the upper levels of the index tree */ -#ifdef ROW_MERGE_IS_INDEX_USABLE - dulint trx_id; /* id of the transaction that created this - index, or ut_dulint_zero if the index existed + ib_uint64_t trx_id; /* id of the transaction that created this + index, or 0 if the index existed when InnoDB was started up */ -#endif /* ROW_MERGE_IS_INDEX_USABLE */ #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG ulint magic_n;/* magic number */ diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 0deca8ba4ca..ac5a640e662 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -19,9 +19,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA #ifndef HA_INNODB_PROTOTYPES_H #define HA_INNODB_PROTOTYPES_H -#ifndef UNIV_HOTBACKUP - -#include "univ.i" /* ulint, uint */ +#include "trx0types.h" #include "m_ctype.h" /* CHARSET_INFO */ /* Prototypes for global functions in ha_innodb.cc that are called by @@ -64,6 +62,22 @@ innobase_raw_format( ulint buf_size); /* in: output buffer size in bytes */ +/********************************************************************* +Invalidates the MySQL query cache for the table. */ +UNIV_INTERN +void +innobase_invalidate_query_cache( +/*============================*/ + trx_t* trx, /* in: transaction which + modifies the table */ + const char* full_name, /* in: concatenation of + database name, null char '\0', + table name, null char '\0'; + NOTE that in Windows this is + always in LOWER CASE! */ + ulint full_name_len); /* in: full name length where + also the null chars count */ + /********************************************************************* Convert a table or index name to the MySQL system_charset_info (UTF-8) and quote it if needed. */ @@ -264,4 +278,3 @@ thd_lock_wait_timeout( the global innodb_lock_wait_timeout */ #endif -#endif diff --git a/include/os0sync.ic b/include/os0sync.ic index 5c03d184c7c..f5e73a743cd 100644 --- a/include/os0sync.ic +++ b/include/os0sync.ic @@ -42,13 +42,6 @@ os_fast_mutex_trylock( EnterCriticalSection(fast_mutex); return(0); -#else -#if defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10) - /* Since the hot backup version is standalone, MySQL does not redefine - pthread_mutex_trylock for HP-UX-10.20, and consequently we must invert - the return value here */ - - return((ulint) (1 - pthread_mutex_trylock(fast_mutex))); #else /* NOTE that the MySQL my_pthread.h redefines pthread_mutex_trylock so that it returns 0 on success. In the operating system @@ -58,5 +51,4 @@ os_fast_mutex_trylock( return((ulint) pthread_mutex_trylock(fast_mutex)); #endif -#endif } diff --git a/include/read0read.h b/include/read0read.h index 7ea8bdaf8dd..db9f86454e0 100644 --- a/include/read0read.h +++ b/include/read0read.h @@ -133,16 +133,21 @@ struct read_view_struct{ can be removed in purge if not needed by other views */ dulint low_limit_id; /* The read should not see any transaction - with trx id >= this value */ + with trx id >= this value. In other words, + this is the "high water mark". */ dulint up_limit_id; /* The read should see all trx ids which - are strictly smaller (<) than this value */ + are strictly smaller (<) than this value. + In other words, + this is the "low water mark". */ ulint n_trx_ids; /* Number of cells in the trx_ids array */ dulint* trx_ids; /* Additional trx ids which the read should not see: typically, these are the active transactions at the time when the read is serialized, except the reading transaction itself; the trx ids in this array are in a - descending order */ + descending order. These trx_ids should be + between the "low" and "high" water marks, + that is, up_limit_id and low_limit_id. */ dulint creator_trx_id; /* trx id of creating transaction, or (0, 0) used in purge */ UT_LIST_NODE_T(read_view_t) view_list; diff --git a/include/rem0cmp.h b/include/rem0cmp.h index f32bae73a13..239eb3cab11 100644 --- a/include/rem0cmp.h +++ b/include/rem0cmp.h @@ -141,7 +141,6 @@ cmp_dtuple_is_prefix_of_rec( const dtuple_t* dtuple, /* in: data tuple */ const rec_t* rec, /* in: physical record */ const ulint* offsets);/* in: array returned by rec_get_offsets() */ -#ifndef UNIV_HOTBACKUP /***************************************************************** Compare two physical records that contain the same number of columns, none of which are stored externally. */ @@ -156,7 +155,6 @@ cmp_rec_rec_simple( const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ const dict_index_t* index); /* in: data dictionary index */ -#endif /* !UNIV_HOTBACKUP */ /***************************************************************** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is diff --git a/include/row0merge.h b/include/row0merge.h index 9975497cbeb..31ef4cc9792 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -152,7 +152,6 @@ row_merge_create_index( dict_table_t* table, /* in: the index is on this table */ const merge_index_def_t* /* in: the index definition */ index_def); -#ifdef ROW_MERGE_IS_INDEX_USABLE /************************************************************************* Check if a transaction can use an index. */ UNIV_INTERN @@ -163,7 +162,6 @@ row_merge_is_index_usable( the transaction else FALSE*/ const trx_t* trx, /* in: transaction */ const dict_index_t* index); /* in: index to check */ -#endif /* ROW_MERGE_IS_INDEX_USABLE */ /************************************************************************* If there are views that refer to the old table name then we "attach" to the new instance of the table else we drop it immediately. */ diff --git a/include/row0mysql.h b/include/row0mysql.h index 8e42c316209..ae0b181d68f 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -351,7 +351,6 @@ void row_mysql_unfreeze_data_dictionary( /*===============================*/ trx_t* trx); /* in/out: transaction */ -#ifndef UNIV_HOTBACKUP /************************************************************************* Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", @@ -502,7 +501,6 @@ row_check_table_for_mysql( /* out: DB_ERROR or DB_SUCCESS */ row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL handle */ -#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Determines if a table is a magic monitor table. */ @@ -573,52 +571,54 @@ struct row_prebuilt_struct { or ROW_PREBUILT_FREED when the struct has been freed */ dict_table_t* table; /* Innobase table handle */ + dict_index_t* index; /* current index for a search, if + any */ trx_t* trx; /* current transaction handle */ - ibool sql_stat_start; /* TRUE when we start processing of + unsigned sql_stat_start:1;/* TRUE when we start processing of an SQL statement: we may have to set an intention lock on the table, create a consistent read view etc. */ - ibool mysql_has_locked; /* this is set TRUE when MySQL + unsigned mysql_has_locked:1; /* this is set TRUE when MySQL calls external_lock on this handle with a lock flag, and set FALSE when with the F_UNLOCK flag */ - ibool clust_index_was_generated; + unsigned clust_index_was_generated:1; /* if the user did not define a primary key in MySQL, then Innobase automatically generated a clustered index where the ordering column is the row id: in this case this flag is set to TRUE */ - dict_index_t* index; /* current index for a search, if - any */ - ulint read_just_key; /* set to 1 when MySQL calls + unsigned index_usable:1; /* caches the value of + row_merge_is_index_usable(trx,index) */ + unsigned read_just_key:1;/* set to 1 when MySQL calls ha_innobase::extra with the argument HA_EXTRA_KEYREAD; it is enough to read just columns defined in the index (i.e., no read of the clustered index record necessary) */ - ibool used_in_HANDLER;/* TRUE if we have been using this + unsigned used_in_HANDLER:1;/* TRUE if we have been using this handle in a MySQL HANDLER low level index cursor command: then we must store the pcur position even in a unique search from a clustered index, because HANDLER allows NEXT and PREV in such a situation */ - ulint template_type; /* ROW_MYSQL_WHOLE_ROW, + unsigned template_type:2;/* ROW_MYSQL_WHOLE_ROW, ROW_MYSQL_REC_FIELDS, ROW_MYSQL_DUMMY_TEMPLATE, or ROW_MYSQL_NO_TEMPLATE */ - ulint n_template; /* number of elements in the + unsigned n_template:10; /* number of elements in the template */ - ulint null_bitmap_len;/* number of bytes in the SQL NULL + unsigned null_bitmap_len:10;/* number of bytes in the SQL NULL bitmap at the start of a row in the MySQL format */ - ibool need_to_access_clustered; /* if we are fetching + unsigned need_to_access_clustered:1; /* if we are fetching columns through a secondary index and at least one column is not in the secondary index, then this is set to TRUE */ - ibool templ_contains_blob;/* TRUE if the template contains + unsigned templ_contains_blob:1;/* TRUE if the template contains BLOB column(s) */ mysql_row_templ_t* mysql_template;/* template used to transform rows fast between MySQL and Innobase diff --git a/include/srv0srv.h b/include/srv0srv.h index f7cafb9ba4d..c79fe72760c 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -190,7 +190,7 @@ extern ibool srv_error_monitor_active; extern ulong srv_n_spin_wait_rounds; extern ulong srv_n_free_tickets_to_enter; extern ulong srv_thread_sleep_delay; -extern ulint srv_spin_wait_delay; +extern ulong srv_spin_wait_delay; extern ibool srv_priority_boost; extern ulint srv_mem_pool_size; diff --git a/include/sync0sync.h b/include/sync0sync.h index ea4abddbbf4..bd9e26201e1 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -40,9 +40,7 @@ Created 9/5/1995 Heikki Tuuri #include "os0sync.h" #include "sync0arr.h" -#ifndef UNIV_HOTBACKUP extern my_bool timed_mutexes; -#endif /* UNIV_HOTBACKUP */ /********************************************************************** Initializes the synchronization data structures. */ @@ -515,9 +513,8 @@ struct mutex_struct { ulint magic_n; # define MUTEX_MAGIC_N (ulint)979585 #endif /* UNIV_DEBUG */ -#ifndef UNIV_HOTBACKUP ulong count_os_wait; /* count of os_wait */ -# ifdef UNIV_DEBUG +#ifdef UNIV_DEBUG ulong count_using; /* count of times mutex used */ ulong count_spin_loop; /* count of spin loops */ ulong count_spin_rounds; /* count of spin rounds */ @@ -526,8 +523,7 @@ struct mutex_struct { ulonglong lmax_spent_time; /* mutex os_wait timer msec */ const char* cmutex_name;/* mutex name */ ulint mutex_type;/* 0 - usual mutex 1 - rw_lock mutex */ -# endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ }; /* The global array of wait cells for implementation of the databases own diff --git a/include/sync0sync.ic b/include/sync0sync.ic index c43121ebd0b..c4b364fde5f 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -254,9 +254,7 @@ mutex_enter_func( /* Note that we do not peek at the value of lock_word before trying the atomic test_and_set; we could peek, and possibly save time. */ -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - mutex->count_using++; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ + ut_d(mutex->count_using++); if (!mutex_test_and_set(mutex)) { ut_d(mutex->thread_id = os_thread_get_curr_id()); diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 11f839c1f56..30591598d98 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -1438,7 +1438,6 @@ lock_rec_has_expl( } #ifdef UNIV_DEBUG -# ifndef UNIV_HOTBACKUP /************************************************************************* Checks if some other transaction has a lock request in the queue. */ static @@ -1485,7 +1484,6 @@ lock_rec_other_has_expl_req( return(NULL); } -# endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG */ /************************************************************************* @@ -4330,8 +4328,6 @@ lock_rec_print( } } -#ifndef UNIV_HOTBACKUP - #ifdef UNIV_DEBUG /* Print the number of lock structs from lock_print_info_summary() only in non-production builds for performance reasons, see @@ -4575,7 +4571,7 @@ loop: goto loop; } -# ifdef UNIV_DEBUG +#ifdef UNIV_DEBUG /************************************************************************* Validates the lock queue on a table. */ static @@ -4910,8 +4906,7 @@ lock_validate(void) return(TRUE); } -# endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ /*============ RECORD LOCK CHECKS FOR ROW OPERATIONS ====================*/ /************************************************************************* diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index a476d16a5f0..a7d66b15300 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -1132,3 +1132,39 @@ t2 CREATE TABLE `t2` ( ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t2; DROP TABLE t1; +CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +BEGIN; +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +CREATE INDEX t1a ON t1(a); +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +ERROR HY000: Table definition has changed, please retry transaction +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +COMMIT; +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +a b +0 d +1 c +1 e +3 a +3 b +DROP TABLE t1; diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 0ca02f0538a..42888ff3686 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -509,3 +509,26 @@ SHOW CREATE TABLE t2; DROP TABLE t2; DROP TABLE t1; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +connection b; +BEGIN; +SELECT * FROM t1; +connection a; +CREATE INDEX t1a ON t1(a); +connection b; +SELECT * FROM t1; +--error ER_TABLE_DEF_CHANGED +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +SELECT * FROM t1; +COMMIT; +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +connection default; +disconnect a; +disconnect b; + +DROP TABLE t1; diff --git a/os/os0sync.c b/os/os0sync.c index 78ff74059f8..eabb2dfa0e1 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -161,12 +161,8 @@ os_event_create( os_fast_mutex_init(&(event->os_mutex)); -#if defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10) - ut_a(0 == pthread_cond_init(&(event->cond_var), - pthread_condattr_default)); -#else ut_a(0 == pthread_cond_init(&(event->cond_var), NULL)); -#endif + event->is_set = FALSE; /* We return this value in os_event_reset(), which can then be @@ -674,12 +670,8 @@ os_fast_mutex_init( ut_a(fast_mutex); InitializeCriticalSection((LPCRITICAL_SECTION) fast_mutex); -#else -#if defined(UNIV_HOTBACKUP) && defined(UNIV_HPUX10) - ut_a(0 == pthread_mutex_init(fast_mutex, pthread_mutexattr_default)); #else ut_a(0 == pthread_mutex_init(fast_mutex, MY_MUTEX_INIT_FAST)); -#endif #endif if (UNIV_LIKELY(os_sync_mutex_inited)) { /* When creating os_sync_mutex itself (in Unix) we cannot diff --git a/rem/rem0cmp.c b/rem/rem0cmp.c index 39fcb6f19dd..7926a39355d 100644 --- a/rem/rem0cmp.c +++ b/rem/rem0cmp.c @@ -73,7 +73,6 @@ cmp_debug_dtuple_rec_with_match( returns, contains the value for current comparison */ #endif /* UNIV_DEBUG */ -#ifndef UNIV_HOTBACKUP /***************************************************************** This function is used to compare two data fields for which the data type is such that we must use MySQL code to compare them. The prototype here @@ -92,7 +91,6 @@ innobase_mysql_cmp( const unsigned char* b, /* in: data field */ unsigned int b_length); /* in: data field length, not UNIV_SQL_NULL */ -#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Transforms the character code so that it is ordered appropriately for the language. This is only used for the latin1 char set. MySQL does the @@ -161,7 +159,6 @@ cmp_cols_are_equal( return(col1->mtype != DATA_INT || col1->len == col2->len); } -#ifndef UNIV_HOTBACKUP /***************************************************************** Innobase uses this function to compare two data fields for which the data type is such that we must compare whole fields or call MySQL to do the comparison */ @@ -288,7 +285,6 @@ cmp_whole_field( return(0); } -#endif /* !UNIV_HOTBACKUP */ /***************************************************************** This function is used to compare two data fields for which we know the @@ -308,7 +304,6 @@ cmp_data_data_slow( buffer) */ ulint len2) /* in: data field length or UNIV_SQL_NULL */ { -#ifndef UNIV_HOTBACKUP ulint data1_byte; ulint data2_byte; ulint cur_bytes; @@ -401,12 +396,6 @@ next_byte: data1++; data2++; } -#else /* !UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; -#endif /* !UNIV_HOTBACKUP */ return(0); /* Not reached */ } @@ -442,7 +431,6 @@ cmp_dtuple_rec_with_match( matched; when function returns, contains the value for current comparison */ { -#ifndef UNIV_HOTBACKUP const dfield_t* dtuple_field; /* current field in logical record */ ulint dtuple_f_len; /* the length of the current field in the logical record */ @@ -650,13 +638,6 @@ order_resolved: *matched_bytes = cur_bytes; return(ret); -#else /* !UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(0); -#endif /* !UNIV_HOTBACKUP */ } /****************************************************************** @@ -720,7 +701,6 @@ cmp_dtuple_is_prefix_of_rec( return(FALSE); } -#ifndef UNIV_HOTBACKUP /***************************************************************** Compare two physical records that contain the same number of columns, none of which are stored externally. */ @@ -870,7 +850,6 @@ next_field: /* If we ran out of fields, rec1 was equal to rec2. */ return(0); } -#endif /* !UNIV_HOTBACKUP */ /***************************************************************** This function is used to compare two physical records. Only the common @@ -897,7 +876,6 @@ cmp_rec_rec_with_match( matched; when the function returns, contains the value for the current comparison */ { -#ifndef UNIV_HOTBACKUP ulint rec1_n_fields; /* the number of fields in rec */ ulint rec1_f_len; /* length of current field in rec */ const byte* rec1_b_ptr; /* pointer to the current byte @@ -1111,13 +1089,6 @@ order_resolved: *matched_bytes = cur_bytes; return(ret); -#else /* !UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(0); -#endif /* !UNIV_HOTBACKUP */ } #ifdef UNIV_DEBUG diff --git a/row/row0ins.c b/row/row0ins.c index fd6da091c9d..be2845fb62c 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -28,6 +28,7 @@ Created 4/20/1996 Heikki Tuuri #include "row0ins.ic" #endif +#include "ha_prototypes.h" #include "dict0dict.h" #include "dict0boot.h" #include "trx0undo.h" @@ -50,23 +51,6 @@ Created 4/20/1996 Heikki Tuuri #define ROW_INS_NEXT 2 -/********************************************************************* -This prototype is copied from /mysql/sql/ha_innodb.cc. -Invalidates the MySQL query cache for the table. -NOTE that the exact prototype of this function has to be in -/innobase/row/row0ins.c! */ -extern -void -innobase_invalidate_query_cache( -/*============================*/ - trx_t* trx, /* in: transaction which modifies the table */ - char* full_name, /* in: concatenation of database name, null - char '\0', table name, null char'\0'; - NOTE that in Windows this is always - in LOWER CASE! */ - ulint full_name_len); /* in: full name length where also the null - chars count */ - /************************************************************************* Creates an insert node struct. */ UNIV_INTERN @@ -767,10 +751,7 @@ row_ins_invalidate_query_cache( ut_a(ptr); *ptr = '\0'; - /* We call a function in ha_innodb.cc */ -#ifndef UNIV_HOTBACKUP innobase_invalidate_query_cache(thr_get_trx(thr), buf, len); -#endif mem_free(buf); } @@ -1172,7 +1153,6 @@ row_ins_set_shared_rec_lock( return(err); } -#ifndef UNIV_HOTBACKUP /************************************************************************* Sets a exclusive lock on a record. Used in locking possible duplicate key records */ @@ -1203,7 +1183,6 @@ row_ins_set_exclusive_rec_lock( return(err); } -#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Checks if foreign key constraint fails for an index entry. Sets shared locks @@ -1611,7 +1590,6 @@ row_ins_check_foreign_constraints( return(DB_SUCCESS); } -#ifndef UNIV_HOTBACKUP /******************************************************************* Checks if a unique key violation to rec would occur at the index entry insert. */ @@ -1663,7 +1641,6 @@ row_ins_dupl_error_with_rec( return(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); } -#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Scans a unique non-clustered index at a given index entry to determine @@ -1679,7 +1656,6 @@ row_ins_scan_sec_index_for_duplicate( dtuple_t* entry, /* in: index entry */ que_thr_t* thr) /* in: query thread */ { -#ifndef UNIV_HOTBACKUP ulint n_unique; ulint i; int cmp; @@ -1789,13 +1765,6 @@ row_ins_scan_sec_index_for_duplicate( dtuple_set_n_fields_cmp(entry, n_fields_cmp); return(err); -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(DB_FAIL); -#endif /* UNIV_HOTBACKUP */ } /******************************************************************* @@ -1815,7 +1784,6 @@ row_ins_duplicate_error_in_clust( que_thr_t* thr, /* in: query thread */ mtr_t* mtr) /* in: mtr */ { -#ifndef UNIV_HOTBACKUP ulint err; rec_t* rec; ulint n_unique; @@ -1939,13 +1907,6 @@ func_exit: mem_heap_free(heap); } return(err); -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(DB_FAIL); -#endif /* UNIV_HOTBACKUP */ } /******************************************************************* diff --git a/row/row0merge.c b/row/row0merge.c index 4ce1d251bd1..0d3c9bfec0d 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -2229,12 +2229,11 @@ row_merge_create_index( ut_a(index); -#ifdef ROW_MERGE_IS_INDEX_USABLE /* Note the id of the transaction that created this index, we use it to restrict readers from accessing this index, to ensure read consistency. */ - index->trx_id = trx->id; -#endif /* ROW_MERGE_IS_INDEX_USABLE */ + index->trx_id = (ib_uint64_t) + ut_conv_dulint_to_longlong(trx->id); } else { index = NULL; } @@ -2242,7 +2241,6 @@ row_merge_create_index( return(index); } -#ifdef ROW_MERGE_IS_INDEX_USABLE /************************************************************************* Check if a transaction can use an index. */ UNIV_INTERN @@ -2252,13 +2250,11 @@ row_merge_is_index_usable( const trx_t* trx, /* in: transaction */ const dict_index_t* index) /* in: index to check */ { - if (!trx->read_view) { - return(TRUE); - } - - return(ut_dulint_cmp(index->trx_id, trx->read_view->low_limit_id) < 0); + return(!trx->read_view || read_view_sees_trx_id( + trx->read_view, + ut_dulint_create((ulint) (index->trx_id >> 32), + (ulint) index->trx_id & 0xFFFFFFFF))); } -#endif /* ROW_MERGE_IS_INDEX_USABLE */ /************************************************************************* Drop the old table. */ diff --git a/row/row0mysql.c b/row/row0mysql.c index b00b2718cdf..bfc6caa0f4f 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -78,7 +78,6 @@ the above strings. */ ((str1_len) == sizeof(str2_onstack) \ && memcmp(str1, str2_onstack, sizeof(str2_onstack)) == 0) -#ifndef UNIV_HOTBACKUP /*********************************************************************** Determine if the given name is a name reserved for MySQL system tables. */ static @@ -98,7 +97,6 @@ row_mysql_is_system_table( || 0 == strcmp(name + 6, "user") || 0 == strcmp(name + 6, "db")); } -#endif /* !UNIV_HOTBACKUP */ /************************************************************************* If a table is not yet in the drop list, adds the table to the list of tables @@ -489,7 +487,6 @@ row_mysql_handle_errors( que_thr_t* thr, /* in: query thread */ trx_savept_t* savept) /* in: savepoint or NULL */ { -#ifndef UNIV_HOTBACKUP ulint err; handle_new_error: @@ -583,13 +580,6 @@ handle_new_error: trx->error_state = DB_SUCCESS; return(FALSE); -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(FALSE); -#endif /* UNIV_HOTBACKUP */ } /************************************************************************ @@ -1743,7 +1733,6 @@ row_mysql_unlock_data_dictionary( trx->dict_operation_lock_mode = 0; } -#ifndef UNIV_HOTBACKUP /************************************************************************* Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", @@ -2110,12 +2099,11 @@ row_table_add_foreign_constraints( err = dict_create_foreign_constraints(trx, sql_string, name, reject_fks); -#ifndef UNIV_HOTBACKUP if (err == DB_SUCCESS) { /* Check that also referencing constraints are ok */ err = dict_load_foreigns(name, TRUE); } -#endif /* !UNIV_HOTBACKUP */ + if (err != DB_SUCCESS) { /* We have special error handling here */ @@ -3375,9 +3363,7 @@ funct_exit: trx->op_info = ""; -#ifndef UNIV_HOTBACKUP srv_wake_master_thread(); -#endif /* !UNIV_HOTBACKUP */ return((int) err); } @@ -4198,7 +4184,6 @@ row_check_table_for_mysql( return(ret); } -#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Determines if a table is a magic monitor table. */ diff --git a/row/row0row.c b/row/row0row.c index 8cf94dfca6f..ee951a4b14a 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -849,8 +849,6 @@ row_search_index_entry( return(ROW_FOUND); } -#ifndef UNIV_HOTBACKUP - #include /*********************************************************************** @@ -1045,8 +1043,6 @@ row_raw_format( return(ret); } -#endif /* !UNIV_HOTBACKUP */ - #ifdef UNIV_COMPILE_TEST_FUNCS #include "ut0dbg.h" diff --git a/row/row0sel.c b/row/row0sel.c index fb1523d3370..11958c5afe7 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -3343,6 +3343,11 @@ row_search_for_mysql( return(DB_ERROR); } + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + + return(DB_MISSING_HISTORY); + } + if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { fprintf(stderr, "InnoDB: Error: trying to free a corrupt\n" diff --git a/srv/srv0srv.c b/srv/srv0srv.c index a56aab774fb..005d135cb2d 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -347,7 +347,7 @@ UNIV_INTERN ulong srv_replication_delay = 0; UNIV_INTERN ulong srv_n_spin_wait_rounds = 20; UNIV_INTERN ulong srv_n_free_tickets_to_enter = 500; UNIV_INTERN ulong srv_thread_sleep_delay = 10000; -UNIV_INTERN ulint srv_spin_wait_delay = 5; +UNIV_INTERN ulong srv_spin_wait_delay = 5; UNIV_INTERN ibool srv_priority_boost = TRUE; #ifdef UNIV_DEBUG @@ -362,12 +362,11 @@ UNIV_INTERN ulint srv_n_rows_inserted = 0; UNIV_INTERN ulint srv_n_rows_updated = 0; UNIV_INTERN ulint srv_n_rows_deleted = 0; UNIV_INTERN ulint srv_n_rows_read = 0; -#ifndef UNIV_HOTBACKUP + static ulint srv_n_rows_inserted_old = 0; static ulint srv_n_rows_updated_old = 0; static ulint srv_n_rows_deleted_old = 0; static ulint srv_n_rows_read_old = 0; -#endif /* !UNIV_HOTBACKUP */ UNIV_INTERN ulint srv_n_lock_wait_count = 0; UNIV_INTERN ulint srv_n_lock_wait_current_count = 0; @@ -666,7 +665,6 @@ srv_table_get_nth_slot( return(srv_sys->threads + index); } -#ifndef UNIV_HOTBACKUP /************************************************************************* Gets the number of threads in the system. */ UNIV_INTERN @@ -772,7 +770,6 @@ srv_suspend_thread(void) return(event); } -#endif /* !UNIV_HOTBACKUP */ /************************************************************************* Releases threads of the type given from suspension in the thread table. @@ -1292,7 +1289,6 @@ srv_boot(void) return(DB_SUCCESS); } -#ifndef UNIV_HOTBACKUP /************************************************************************* Reserves a slot in the thread table for the current MySQL OS thread. NOTE! The kernel mutex has to be reserved by the caller! */ @@ -1357,7 +1353,6 @@ srv_table_reserve_slot_for_mysql(void) return(slot); } -#endif /* !UNIV_HOTBACKUP */ /******************************************************************* Puts a MySQL OS thread to wait for a lock to be released. If an error @@ -1372,7 +1367,6 @@ srv_suspend_mysql_thread( que_thr_t* thr) /* in: query thread associated with the MySQL OS thread */ { -#ifndef UNIV_HOTBACKUP srv_slot_t* slot; os_event_t event; double wait_time; @@ -1537,12 +1531,6 @@ srv_suspend_mysql_thread( trx->error_state = DB_LOCK_WAIT_TIMEOUT; } -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; -#endif /* UNIV_HOTBACKUP */ } /************************************************************************ @@ -1555,7 +1543,6 @@ srv_release_mysql_thread_if_suspended( que_thr_t* thr) /* in: query thread associated with the MySQL OS thread */ { -#ifndef UNIV_HOTBACKUP srv_slot_t* slot; ulint i; @@ -1575,15 +1562,8 @@ srv_release_mysql_thread_if_suspended( } /* not found */ -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; -#endif /* UNIV_HOTBACKUP */ } -#ifndef UNIV_HOTBACKUP /********************************************************************** Refreshes the values used to calculate per-second averages. */ static @@ -2640,4 +2620,3 @@ suspend_thread: OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ } -#endif /* !UNIV_HOTBACKUP */ diff --git a/sync/sync0rw.c b/sync/sync0rw.c index 09c732eefc9..1f693c4d407 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -238,11 +238,8 @@ rw_lock_create_func( lock->mutex.cfile_name = cfile_name; lock->mutex.cline = cline; -# if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - lock->mutex.cmutex_name = cmutex_name; - lock->mutex.mutex_type = 1; -# endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ - + ut_d(lock->mutex.cmutex_name = cmutex_name); + ut_d(lock->mutex.mutex_type = 1); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ # ifdef UNIV_DEBUG UT_NOT_USED(cmutex_name); @@ -953,7 +950,12 @@ rw_lock_print( "RW-LATCH: %p ", (void*) lock); #ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_enter(&(lock->mutex)); + /* We used to acquire lock->mutex here, but it would cause a + recursive call to sync_thread_add_level() if UNIV_SYNC_DEBUG + is defined. Since this function is only invoked from + sync_thread_levels_g(), let us choose the smaller evil: + performing dirty reads instead of causing bogus deadlocks or + assertion failures. */ #endif if (lock->lock_word != X_LOCK_DECR) { @@ -969,9 +971,6 @@ rw_lock_print( info = UT_LIST_GET_NEXT(list, info); } } -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_exit(&(lock->mutex)); -#endif } /************************************************************************* diff --git a/sync/sync0sync.c b/sync/sync0sync.c index ff4399487d5..209d3a784be 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -255,9 +255,8 @@ mutex_create_func( #endif /* UNIV_SYNC_DEBUG */ mutex->cfile_name = cfile_name; mutex->cline = cline; -#ifndef UNIV_HOTBACKUP mutex->count_os_wait = 0; -# ifdef UNIV_DEBUG +#ifdef UNIV_DEBUG mutex->cmutex_name= cmutex_name; mutex->count_using= 0; mutex->mutex_type= 0; @@ -266,8 +265,7 @@ mutex_create_func( mutex->count_spin_loop= 0; mutex->count_spin_rounds= 0; mutex->count_os_yield= 0; -# endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ /* Check that lock_word is aligned; this is important on Intel */ ut_ad(((ulint)(&(mutex->lock_word))) % 4 == 0); @@ -439,13 +437,13 @@ mutex_spin_wait( { ulint index; /* index of the reserved wait cell */ ulint i; /* spin round count */ -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP +#ifdef UNIV_DEBUG ib_int64_t lstart_time = 0, lfinish_time; /* for timing os_wait */ ulint ltime_diff; ulint sec; ulint ms; uint timer_started = 0; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ ut_ad(mutex); /* This update is not thread safe, but we don't mind if the count @@ -465,9 +463,7 @@ mutex_loop: a memory word. */ spin_loop: -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - mutex->count_spin_loop++; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ + ut_d(mutex->count_spin_loop++); while (mutex_get_lock_word(mutex) != 0 && i < SYNC_SPIN_ROUNDS) { if (srv_spin_wait_delay) { @@ -478,14 +474,14 @@ spin_loop: } if (i == SYNC_SPIN_ROUNDS) { -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP +#ifdef UNIV_DEBUG mutex->count_os_yield++; if (timed_mutexes == 1 && timer_started==0) { ut_usectime(&sec, &ms); lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ os_thread_yield(); } @@ -499,9 +495,7 @@ spin_loop: mutex_spin_round_count += i; -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP - mutex->count_spin_rounds += i; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ + ut_d(mutex->count_spin_rounds += i); if (mutex_test_and_set(mutex) == 0) { /* Succeeded! */ @@ -578,9 +572,8 @@ spin_loop: mutex_os_wait_count++; -#ifndef UNIV_HOTBACKUP mutex->count_os_wait++; -# ifdef UNIV_DEBUG +#ifdef UNIV_DEBUG /* !!!!! Sometimes os_wait can be called without os_thread_yield */ if (timed_mutexes == 1 && timer_started==0) { @@ -588,14 +581,13 @@ spin_loop: lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } -# endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ sync_array_wait_event(sync_primary_wait_array, index); goto mutex_loop; finish_timing: -#if defined UNIV_DEBUG && !defined UNIV_HOTBACKUP +#ifdef UNIV_DEBUG if (timed_mutexes == 1 && timer_started==1) { ut_usectime(&sec, &ms); lfinish_time= (ib_int64_t)sec * 1000000 + ms; @@ -607,7 +599,7 @@ finish_timing: mutex->lmax_spent_time= ltime_diff; } } -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ return; } diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 5f3cb15a254..cc2fab46eec 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -68,7 +68,6 @@ trx_general_rollback_for_mysql( trx_savept_t* savept) /* in: pointer to savepoint undo number, if partial rollback requested */ { -#ifndef UNIV_HOTBACKUP mem_heap_t* heap; que_thr_t* thr; roll_node_t* roll_node; @@ -120,13 +119,6 @@ trx_general_rollback_for_mysql( srv_active_wake_master_thread(); return((int) trx->error_state); -#else /* UNIV_HOTBACKUP */ - /* This function depends on MySQL code that is not included in - InnoDB Hot Backup builds. Besides, this function should never - be called in InnoDB Hot Backup. */ - ut_error; - return(DB_FAIL); -#endif /* UNIV_HOTBACKUP */ } /*********************************************************************** From 688b511871afdc690362de7309f76a806fedea3b Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 6 Apr 2009 12:19:18 +0000 Subject: [PATCH 133/400] branches/innodb+: Merge revisions 4657:4660 from branches/zip: ------------------------------------------------------------------------ r4660 | marko | 2009-04-06 16:17:30 +0300 (Mon, 06 Apr 2009) | 7 lines branches/zip: Initialize innodb_change_buffering from the configuration file. So far, the parameter innodb_change_buffering was only settable by the SET GLOBAL command. Any change specified in the configuration file or on the mysqld command line was ignored. This was reported as Issue #217. rb://109 approved by Heikki Tuuri. ------------------------------------------------------------------------ --- ChangeLog | 7 +++++++ handler/ha_innodb.cc | 21 +++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/ChangeLog b/ChangeLog index e89eb3526ca..594f2f38916 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2009-04-06 The InnoDB Team + + * handler/ha_innodb.cc: + Make the parameter innodb_change_buffering settable by the + configuration file or mysqld command line options. Before this + fix, the initial value specified for this parameter was ignored. + 2009-04-06 The InnoDB Team * sync/sync0rw.c: diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 56b55399eb0..a9d0533bf66 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -2063,6 +2063,27 @@ mem_free_and_error: } } + if (innobase_change_buffering) { + ulint use; + + for (use = 0; + use < UT_ARR_SIZE(innobase_change_buffering_values); + use++) { + if (!innobase_strcasecmp( + innobase_change_buffering, + innobase_change_buffering_values[use])) { + ibuf_use = (ibuf_use_t) use; + goto innobase_change_buffering_inited_ok; + } + } + + sql_print_error("InnoDB: invalid value " + "innodb_file_format_check=%s", + innobase_change_buffering); + goto mem_free_and_error; + } + +innobase_change_buffering_inited_ok: ut_a((ulint) ibuf_use < UT_ARR_SIZE(innobase_change_buffering_values)); innobase_change_buffering = (char*) innobase_change_buffering_values[ibuf_use]; From da51d8169b87b02ee6f1bccc098289746c457879 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Mon, 13 Apr 2009 20:52:18 +0000 Subject: [PATCH 134/400] branches/innodb+ Fix an error in the IO request array slot reservation. Increment cur_seg each time instead of doing it only when the request cannot be serviced from it. This ensures truly round robin allocation of incoming IO requests. --- os/os0file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/os/os0file.c b/os/os0file.c index 312d0a58b62..2786b0ed336 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -3466,7 +3466,6 @@ loop: } ut_ad(i < array->n_slots); - array->cur_seg = (array->cur_seg + 1) % array->n_segments; /* If we are unable to find a slot in our desired segment we do a linear search of entire array. We are guaranteed to find a @@ -3482,6 +3481,8 @@ loop: /* We MUST always be able to get hold of a reserved slot. */ ut_error; found: + array->cur_seg = (array->cur_seg + 1) % array->n_segments; + ut_ad(!slot->reserved); array->n_reserved++; From c72ee5b569908c26a33b9f0b4db621d48a402425 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Thu, 30 Apr 2009 13:11:10 +0000 Subject: [PATCH 135/400] branches/innodb+ mem_heap_get_size() scans all allocated blocks to calculate the total size of the heap. This patch introduces a new, total_size, field in mem_block_info_struct. This field is valid only for base block (i.e.: the first block allocated for the heap) and is set to ULINT_UNDEFINED in other blocks. This considerably improves the performance of redo scan during recovery. rb://108 issue#216 Approved by: Heikki --- include/mem0mem.h | 3 +++ include/mem0mem.ic | 8 +------- mem/mem0mem.c | 18 ++++++++++++++++++ 3 files changed, 22 insertions(+), 7 deletions(-) diff --git a/include/mem0mem.h b/include/mem0mem.h index e49a3266f60..f5e395cb1c1 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -369,6 +369,9 @@ struct mem_block_info_struct { to the heap is also the first block in this list, though it also contains the base node of the list. */ ulint len; /* physical length of this block in bytes */ + ulint total_size; /* physical length in bytes of all blocks + in the heap. This is defined only in the base + node and is set to ULINT_UNDEFINED in others. */ ulint type; /* type of heap: MEM_HEAP_DYNAMIC, or MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH */ ulint free; /* offset in bytes of the first free position for diff --git a/include/mem0mem.ic b/include/mem0mem.ic index 3e3b3627127..33fbdc4f139 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -583,18 +583,12 @@ mem_heap_get_size( /*==============*/ mem_heap_t* heap) /* in: heap */ { - mem_block_t* block; ulint size = 0; ut_ad(mem_heap_check(heap)); - block = heap; + size = heap->total_size; - while (block != NULL) { - - size += mem_block_get_len(block); - block = UT_LIST_GET_NEXT(list, block); - } #ifndef UNIV_HOTBACKUP if (heap->free_block) { size += UNIV_PAGE_SIZE; diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 1b4e0b91673..8f015f90dbf 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -405,6 +405,20 @@ mem_heap_create_block( mem_block_set_free(block, MEM_BLOCK_HEADER_SIZE); mem_block_set_start(block, MEM_BLOCK_HEADER_SIZE); + if (UNIV_UNLIKELY(heap == NULL)) { + /* This is the first block of the heap. The field + total_size should be initialized here */ + block->total_size = len; + } else { + /* Not the first allocation for the heap. This block's + total_length field should be set to undefined. */ + ut_d(block->total_size = ULINT_UNDEFINED); + UNIV_MEM_INVALID(&block->total_size, + sizeof block->total_size); + + heap->total_size += len; + } + ut_ad((ulint)MEM_BLOCK_HEADER_SIZE < len); return(block); @@ -494,6 +508,10 @@ mem_heap_block_free( mem_pool_mutex_exit(); #endif + + ut_ad(heap->total_size >= block->len); + heap->total_size -= block->len; + type = heap->type; len = block->len; block->magic_n = MEM_FREED_BLOCK_MAGIC_N; From 509e761f06d6d7902bd5fdd0955447ed772af768 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 25 May 2009 06:20:53 +0000 Subject: [PATCH 136/400] branches/innodb+: Merge revisions 4660:5090 from branches/zip: ------------------------------------------------------------------------ r4670 | vasil | 2009-04-07 09:35:23 +0300 (Tue, 07 Apr 2009) | 11 lines branches/zip: Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for indexes of InnoDB table by replacing the pseudo random number generator with a better one (LCG). This also fixes Mantis Issue#212. Approved by: Heikki (rb://110) ------------------------------------------------------------------------ r4671 | vasil | 2009-04-07 09:37:31 +0300 (Tue, 07 Apr 2009) | 4 lines branches/zip: Add ChangeLog entry for r4670. ------------------------------------------------------------------------ r4673 | marko | 2009-04-07 15:45:28 +0300 (Tue, 07 Apr 2009) | 4 lines branches/zip: Allow in-place updates of UTF-8 CHAR columns from or to NULL in ROW_FORMAT=REDUNDANT. (Bug #44032) rb://107 approved by Heikki Tuuri. ------------------------------------------------------------------------ r4677 | marko | 2009-04-07 16:19:31 +0300 (Tue, 07 Apr 2009) | 1 line branches/zip: Adjust r4673 as in the merge to branches/6.0 -r4676. ------------------------------------------------------------------------ r4678 | inaam | 2009-04-07 18:45:37 +0300 (Tue, 07 Apr 2009) | 12 lines branches/zip Enable atomics on solaris (using the libc functions as defined in atomic.h) if GCC atomic builtins are not present. There still remains some work to be done (by Vasil?). This patch makes changes to plug.in to check pthread_t size and presence of atomic functions when running on solaris. The same has to become a part of the generated Makefile.in when we bake our source. Reviewed by: Heikki rb://106 ------------------------------------------------------------------------ r4687 | vasil | 2009-04-08 13:08:59 +0300 (Wed, 08 Apr 2009) | 4 lines branches/zip: Whitespace fixup in the ChangeLog ------------------------------------------------------------------------ r4688 | vasil | 2009-04-08 13:11:15 +0300 (Wed, 08 Apr 2009) | 4 lines branches/zip: Add ChangeLog entry for r4678. ------------------------------------------------------------------------ r4689 | marko | 2009-04-08 14:24:49 +0300 (Wed, 08 Apr 2009) | 5 lines branches/zip: Hide unnecessarily visible globals. dict_ind_redundant, dict_ind_compact: Declare these UNIV_INTERN. innodb_hton_ptr: Declare static. We do not attempt to access the built-in InnoDB any more. trx_roll_savepoints_free(): Declare UNIV_INTERN. ------------------------------------------------------------------------ r4700 | calvin | 2009-04-11 00:37:10 +0300 (Sat, 11 Apr 2009) | 9 lines branches/zip: Rewrite CMakeLists.txt CMakeLists.txt is completely rewritten: - To replace the one written by mysql - Print out some useful information, such as system name, directory, generator used, win64, Microsoft compiler, etc. - Remove one workaround for mysqld.lib location. User does not need to specify a build type ------------------------------------------------------------------------ r4702 | calvin | 2009-04-13 18:16:44 +0300 (Mon, 13 Apr 2009) | 3 lines branches/zip: delete the original CMakeLists.txt A new version will be committed, suggested by Ken. ------------------------------------------------------------------------ r4703 | calvin | 2009-04-13 18:20:45 +0300 (Mon, 13 Apr 2009) | 9 lines branches/zip: new CMakeLists.txt CMakeLists.txt is completely rewritten with enhancements: - Print out useful information, such as system name, directory, generator used, win64, Microsoft compiler, etc. - Remove one workaround for mysqld.lib location. User does not need to specify a build type when invoking MSVC generator. ------------------------------------------------------------------------ r4706 | vasil | 2009-04-14 14:32:11 +0300 (Tue, 14 Apr 2009) | 5 lines branches/zip: When using the random function, first take the modulus by the number of pages and then typecast to ulint. ------------------------------------------------------------------------ r4707 | calvin | 2009-04-14 17:47:31 +0300 (Tue, 14 Apr 2009) | 13 lines branches/zip: remove statically linked libraries from mysql To make zlib and strings dynamically linked; mysqld will export additional functions required by InnoDB. Since the symbols will be resolved dynamically during runtime, wdl_load_mapfile() is no longer able to make any function calls to ones in mysqld. As the result, strtoull() (from strings.lib) is replaced with _strtoui64(). rb://111 Approved by: Marko ------------------------------------------------------------------------ r4712 | vasil | 2009-04-15 12:26:32 +0300 (Wed, 15 Apr 2009) | 157 lines branches/zip: Merge revisions 4481:4710 from branches/5.1: (resolving conflict in r4574, r4575 and skipping r4699 and r4705 because analogous changes to r4699 and r4705 were already made to branches/zip) ------------------------------------------------------------------------ r4573 | vasil | 2009-03-30 14:17:13 +0300 (Mon, 30 Mar 2009) | 4 lines Changed paths: M /branches/5.1/mysql-test/innodb.test branches/5.1: Fix email address from dev@innodb.com to innodb_dev_ww@oracle.com ------------------------------------------------------------------------ r4574 | vasil | 2009-03-30 14:27:08 +0300 (Mon, 30 Mar 2009) | 38 lines Changed paths: M /branches/5.1/Makefile.am M /branches/5.1/mysql-test/innodb.test branches/5.1: Restore the state of INNODB_THREAD_CONCURRENCY to silence this warning: TEST RESULT TIME (ms) ------------------------------------------------------------ worker[1] Using MTR_BUILD_THREAD 250, with reserved ports 12500..12509 main.innodb [ pass ] 8803 MTR's internal check of the test case 'main.innodb' failed. This means that the test case does not preserve the state that existed before the test case was executed. Most likely the test case did not do a proper clean-up. This is the diff of the states of the servers before and after the test case was executed: mysqltest: Logging to '/tmp/autotest.sh-20090330_033000-5.1.5Hg8CY/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.log'. mysqltest: Results saved in '/tmp/autotest.sh-20090330_033000-5.1.5Hg8CY/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.result'. mysqltest: Connecting to server localhost:12500 (socket /tmp/autotest.sh-20090330_033000-5.1.5Hg8CY/mysql-5.1/mysql-test/var/tmp/mysqld.1.sock) as 'root', connection 'default', attempt 0 ... mysqltest: ... Connected. mysqltest: Start processing test commands from './include/check-testcase.test' ... mysqltest: ... Done processing test commands. --- /tmp/autotest.sh-20090330_033000-5.1.5Hg8CY/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.result 2009-03-30 14:12:31.000000000 +0300 +++ /tmp/autotest.sh-20090330_033000-5.1.5Hg8CY/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.reject 2009-03-30 14:12:41.000000000 +0300 @@ -99,7 +99,7 @@ INNODB_SUPPORT_XA ON INNODB_SYNC_SPIN_LOOPS 20 INNODB_TABLE_LOCKS ON -INNODB_THREAD_CONCURRENCY 8 +INNODB_THREAD_CONCURRENCY 16 INNODB_THREAD_SLEEP_DELAY 10000 INSERT_ID 0 INTERACTIVE_TIMEOUT 28800 mysqltest: Result content mismatch not ok ------------------------------------------------------------------------ r4575 | vasil | 2009-03-30 15:55:31 +0300 (Mon, 30 Mar 2009) | 8 lines Changed paths: M /branches/5.1/mysql-test/innodb.result M /branches/5.1/mysql-test/innodb.test branches/5.1: Fix Bug#43309 Test main.innodb can't be run twice Make the innodb mysql-test more flexible by inspecting how much a variable of interest has changed since the start of the test. Do not assume the variables have zero values at the start of the test. ------------------------------------------------------------------------ r4576 | vasil | 2009-03-30 16:25:10 +0300 (Mon, 30 Mar 2009) | 4 lines Changed paths: M /branches/5.1/Makefile.am branches/5.1: Revert a change to Makefile.am that I committed accidentally in c4574. ------------------------------------------------------------------------ r4659 | vasil | 2009-04-06 15:34:51 +0300 (Mon, 06 Apr 2009) | 6 lines Changed paths: M /branches/5.1/mysql-test/innodb.test branches/5.1: Followup to r4575 and the fix of Bug#43309 Test main.innodb can't be run twice: Add an explanatory comment, as suggested by Patrick Crews in the bug report. ------------------------------------------------------------------------ r4699 | vasil | 2009-04-09 14:01:52 +0300 (Thu, 09 Apr 2009) | 15 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/srv0srv.h M /branches/5.1/page/page0cur.c M /branches/5.1/srv/srv0srv.c branches/5.1: Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for indexes of InnoDB table by replacing the PRNG that is used to pick random pages with a better one. This is based on r4670 but also adds a new configuration option and enables the fix only if this option is changed. Please skip the present revision when merging. Approved by: Heikki (via email) ------------------------------------------------------------------------ r4705 | vasil | 2009-04-14 14:30:13 +0300 (Tue, 14 Apr 2009) | 5 lines Changed paths: M /branches/5.1/page/page0cur.c branches/5.1: When using the random function, first take the modulus by the number of pages and then typecast to ulint. ------------------------------------------------------------------------ r4710 | vasil | 2009-04-15 11:55:18 +0300 (Wed, 15 Apr 2009) | 25 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Merge a change from MySQL (looks like this is against 5.0 but they later merged it to 5.1): ------------------------------------------------------------ revno: 1810.3846.1 committer: Alexey Botchkov branch nick: 31435 timestamp: Tue 2008-11-11 14:42:32 +0400 message: Bug#31435 ha_innodb.cc:3983: ulint convert_search_mode_to_innobase(ha_rkey_function): Asse I think we don't need to issue an error statement in the convert_search_mode_to_innobase(). Returning the PAGE_CUR_UNSUPP value is enough as allows to handle this case depending on the requirements. per-file comments: sql/ha_innodb.cc Bug#31435 ha_innodb.cc:3983: ulint convert_search_mode_to_innobase(ha_rkey_function): Asse no error issued in convert_search_mode_to_innobase. ha_innobase::records_in_range() returns HA_POS_ERROR if search mode isn't supported. modified: sql/ha_innodb.cc ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4713 | vasil | 2009-04-15 12:36:16 +0300 (Wed, 15 Apr 2009) | 4 lines branches/zip: Add missing ChangeLog entries ------------------------------------------------------------------------ r4714 | vasil | 2009-04-15 12:36:57 +0300 (Wed, 15 Apr 2009) | 4 lines branches/zip: Fix typo in the ChangeLog ------------------------------------------------------------------------ r4715 | vasil | 2009-04-15 12:39:04 +0300 (Wed, 15 Apr 2009) | 4 lines branches/zip: Whitespace cleanup in ChangeLog ------------------------------------------------------------------------ r4716 | vasil | 2009-04-15 21:36:06 +0300 (Wed, 15 Apr 2009) | 4 lines branches/zip: Add ChangeLog entry for r4543. ------------------------------------------------------------------------ r4717 | calvin | 2009-04-16 01:22:35 +0300 (Thu, 16 Apr 2009) | 18 lines branches/zip: Use the Windows Interlocked functions for atomic memory access Mapping the atomic operations to Windows Interlocked functions: os_compare_and_swap_* to InterlockedCompareExchange(64) os_atomic_increment_* to InterlockedExchangeAdd(64) os_atomic_test_and_set_byte to InterlockedExchange In this patch, the legacy code under UNIV_CAN_USE_X86_ASSEMBLER is removed all together, and add HAVE_WINDOWS_ATOMICS and INNODB_RW_LOCKS_USE_ATOMICS to CMakeLists.txt This is to address mantis issue#194. rb://113 Approved by: Marko ------------------------------------------------------------------------ r4720 | vasil | 2009-04-16 09:44:48 +0300 (Thu, 16 Apr 2009) | 4 lines branches/zip: Add ChangeLog entry for r4717. ------------------------------------------------------------------------ r4721 | marko | 2009-04-16 10:32:09 +0300 (Thu, 16 Apr 2009) | 2 lines branches/zip: row_scan_and_check_index(): Initialize prebuilt->index_usable. This should have been done in r4631. Spotted by Michael. ------------------------------------------------------------------------ r4728 | marko | 2009-04-16 16:02:27 +0300 (Thu, 16 Apr 2009) | 3 lines branches/zip: univ.i: Define REFMAN as the base URL of the MySQL Reference Manual and use it in every string. This fixes Issue #221. ------------------------------------------------------------------------ r4733 | calvin | 2009-04-17 08:13:20 +0300 (Fri, 17 Apr 2009) | 6 lines branches/zip: minor changes to CMakeLists.txt All are non-functional changes: - should check for long (not int), spotted by Sunny - comment out the project definition, avoiding to generate another .sln file. ------------------------------------------------------------------------ r4748 | vasil | 2009-04-18 00:50:09 +0300 (Sat, 18 Apr 2009) | 118 lines branches/zip: Merge revisions 4710:4746 from branches/5.1: ------------------------------------------------------------------------ r4746 | vasil | 2009-04-18 00:32:08 +0300 (Sat, 18 Apr 2009) | 110 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/pars0pars.h branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2728.10.2 committer: Ignacio Galarza branch nick: mysql-5.1-bugteam-bug29125 timestamp: Fri 2009-02-13 11:41:47 -0500 message: Bug#29125 Windows Server X64: so many compiler warnings - Remove bothersome warning messages. This change focuses on the warnings that are covered by the ignore file: support-files/compiler_warnings.supp. - Strings are guaranteed to be max uint in length modified: client/mysql_upgrade.c client/mysqladmin.cc client/mysqlbinlog.cc client/mysqlcheck.c client/mysqldump.c client/mysqlslap.c client/mysqltest.cc client/sql_string.cc extra/comp_err.c extra/yassl/src/buffer.cpp extra/yassl/taocrypt/include/block.hpp extra/yassl/taocrypt/src/algebra.cpp extra/yassl/taocrypt/src/asn.cpp include/config-win.h libmysql/libmysql.c mysys/array.c mysys/base64.c mysys/charset.c mysys/checksum.c mysys/default.c mysys/default_modify.c mysys/hash.c mysys/mf_keycache.c mysys/mf_tempdir.c mysys/my_append.c mysys/my_compress.c mysys/my_conio.c mysys/my_copy.c mysys/my_getwd.c mysys/my_pread.c mysys/my_quick.c mysys/my_read.c mysys/safemalloc.c mysys/string.c server-tools/instance-manager/buffer.cc server-tools/instance-manager/instance.cc server-tools/instance-manager/options.cc server-tools/instance-manager/parse.h sql-common/client.c sql-common/my_user.c sql/event_data_objects.cc sql/event_parse_data.cc sql/events.cc sql/gen_lex_hash.cc sql/item.h sql/item_func.cc sql/item_strfunc.cc sql/item_timefunc.cc sql/lock.cc sql/log_event.cc sql/log_event.h sql/log_event_old.cc sql/net_serv.cc sql/sp_head.h sql/spatial.h sql/sql_class.h sql/sql_connect.cc sql/sql_crypt.cc sql/sql_error.cc sql/sql_insert.cc sql/sql_lex.cc sql/sql_lex.h sql/sql_load.cc sql/sql_prepare.cc sql/sql_profile.cc sql/sql_repl.cc sql/sql_servers.cc sql/sql_string.cc sql/sql_table.cc sql/sql_trigger.cc sql/sql_udf.cc sql/sql_view.cc sql/udf_example.c sql/uniques.cc storage/archive/azio.c storage/archive/azlib.h storage/csv/ha_tina.cc storage/csv/ha_tina.h storage/csv/transparent_file.h storage/federated/ha_federated.cc storage/federated/ha_federated.h storage/heap/hp_write.c storage/innobase/handler/ha_innodb.cc storage/innobase/include/pars0pars.h storage/myisam/ha_myisam.cc storage/myisam/mi_check.c storage/myisam/mi_packrec.c storage/myisam/mi_search.c storage/myisam/rt_index.c storage/myisammrg/ha_myisammrg.cc strings/ctype.c strings/my_vsnprintf.c tests/bug25714.c tests/mysql_client_test.c ------------------------------------------------------------------------ r4749 | vasil | 2009-04-18 00:58:08 +0300 (Sat, 18 Apr 2009) | 4 lines branches/zip: Add ChangeLog entry for t4748. ------------------------------------------------------------------------ r4751 | vasil | 2009-04-18 01:29:16 +0300 (Sat, 18 Apr 2009) | 4 lines branches/zip: Silence warning about unused variables. ------------------------------------------------------------------------ r4752 | vasil | 2009-04-18 01:30:37 +0300 (Sat, 18 Apr 2009) | 4 lines branches/zip: Include the needed header for memset(). ------------------------------------------------------------------------ r4753 | vasil | 2009-04-18 01:31:34 +0300 (Sat, 18 Apr 2009) | 4 lines branches/zip: Silence a compiler warning. ------------------------------------------------------------------------ r4756 | vasil | 2009-04-18 02:19:03 +0300 (Sat, 18 Apr 2009) | 5 lines branches/zip: Rename the aux config program and give it a more specific name because more are coming. ------------------------------------------------------------------------ r4757 | vasil | 2009-04-18 02:22:33 +0300 (Sat, 18 Apr 2009) | 4 lines branches/zip: Add comment and copyright notice to the aux config program. ------------------------------------------------------------------------ r4758 | vasil | 2009-04-18 02:40:47 +0300 (Sat, 18 Apr 2009) | 5 lines branches/zip: Add aux config programs to emulate the newly added checks in plug.in (from r4678). ------------------------------------------------------------------------ r4830 | marko | 2009-04-20 16:11:38 +0300 (Mon, 20 Apr 2009) | 6 lines branches/zip: Cosmetic fixes. row_unlock_for_mysql(): Add a const qualifier to read-only rec_t*. Use dict_index_is_clust(). CMakeLists.txt: svn propset svn:eol-style native. ------------------------------------------------------------------------ r4893 | marko | 2009-04-23 09:32:36 +0300 (Thu, 23 Apr 2009) | 11 lines branches/zip: Introduce the logical type names trx_id_t, roll_ptr_t, and undo_no_t. Each type is still defined as dulint. This is an initial step towards replacing dulint with a 64-bit data type. Because modern compilers have no trouble supporting 64-bit arithmetics even on 32-bit targets, the dulint struct is a relic that should go. The last remaining major use of dulint is dictionary IDs (table, index, and row ids). rb://114 approved by Sunny Bains ------------------------------------------------------------------------ r4894 | marko | 2009-04-23 10:21:07 +0300 (Thu, 23 Apr 2009) | 1 line branches/zip: ChangeLog: Document r4893. ------------------------------------------------------------------------ r4895 | marko | 2009-04-23 10:22:06 +0300 (Thu, 23 Apr 2009) | 1 line branches/zip: ChangeLog: Add the missing include/ to two files. ------------------------------------------------------------------------ r4896 | marko | 2009-04-23 10:37:40 +0300 (Thu, 23 Apr 2009) | 4 lines branches/zip: row_scan_and_check_index(): Improve the diagnostics, by reporting errors from row_search_for_mysql() in the error log. The errors will still be ignored by CHECK TABLE. This is somewhat related to Issue #211. ------------------------------------------------------------------------ r4897 | marko | 2009-04-23 10:40:34 +0300 (Thu, 23 Apr 2009) | 2 lines branches/zip: row_scan_and_check_index(): Check row_merge_is_index_usable() earlier, to make the logic clearer. ------------------------------------------------------------------------ r4898 | marko | 2009-04-23 15:15:07 +0300 (Thu, 23 Apr 2009) | 4 lines branches/zip: Correct a misleading comment. PAGE_MAX_TRX_ID will be updated in ibuf_insert_low() and updated from the insert buffer tree page to the secondary index tree page during the insert buffer merge. ------------------------------------------------------------------------ r4915 | marko | 2009-04-27 13:40:20 +0300 (Mon, 27 Apr 2009) | 2 lines branches/zip: row_scan_and_check_index(): Add some comments on prebuilt->index_usable, as suggested by Michael. ------------------------------------------------------------------------ r4921 | marko | 2009-04-29 11:51:25 +0300 (Wed, 29 Apr 2009) | 2 lines branches/zip: btr_cur_optimistic_insert(): Remove a redundant condition. The insert buffer tree is a clustered index. ------------------------------------------------------------------------ r4922 | marko | 2009-04-29 23:23:27 +0300 (Wed, 29 Apr 2009) | 22 lines branches/zip: Distinguish temporary tables in MLOG_FILE_CREATE. This addresses Mantis Issue #23 in InnoDB Hot Backup and some of MySQL Bug #41609. In MLOG_FILE_CREATE, we need to distinguish temporary tables, so that InnoDB Hot Backup can work correctly. It turns out that we can do this easily, by using a bit of the previously unused parameter for page number. (The page number parameter of MLOG_FILE_CREATE has been written as 0 ever since MySQL 4.1, which introduced MLOG_FILE_CREATE.) MLOG_FILE_FLAG_TEMP: A flag for indicating a temporary table in the page number parameter of MLOG_FILE_ operations. fil_op_write_log(): Add the parameter log_flags. fil_op_log_parse_or_replay(): Add the parameter log_flags. Do not replay MLOG_FILE_CREATE when MLOG_FILE_FLAG_TEMP is set in log_flags. This only affects ibbackup --apply-log. InnoDB itself never replays file operations. rb://117 approved by Heikki Tuuri ------------------------------------------------------------------------ r4977 | marko | 2009-05-13 15:49:38 +0300 (Wed, 13 May 2009) | 12 lines branches/zip: Merge revisions 4746:4976 from branches/5.1: ------------------------------------------------------------------------ r4976 | marko | 2009-05-13 15:44:54 +0300 (Wed, 13 May 2009) | 6 lines branches/5.1: Display DB_ROLL_PTR in the COLUMNS section of the innodb_table_monitor output. It was accidentally omitted due to an off-by-one loop condition. (Bug #44320) rb://116 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r4978 | vasil | 2009-05-13 16:21:55 +0300 (Wed, 13 May 2009) | 4 lines branches/zip: Add ChangeLog entry for r4977. ------------------------------------------------------------------------ r4995 | marko | 2009-05-14 15:31:43 +0300 (Thu, 14 May 2009) | 24 lines branches/zip: Merge revisions 4976:4994 from branches/5.1: ------------------------------------------------------------------------ r4994 | marko | 2009-05-14 15:04:55 +0300 (Thu, 14 May 2009) | 18 lines branches/5.1: Prevent a race condition in innobase_commit() by ensuring that innodb_commit_concurrency>0 remains constant at run time. (Bug #42101) srv_commit_concurrency: Make this a static variable in ha_innodb.cc. innobase_commit_concurrency_validate(): Check that innodb_commit_concurrency is not changed from or to 0 at run time. This is needed, because innobase_commit() assumes that innodb_commit_concurrency>0 remains constant. Without this limitation, the checks for innodb_commit_concurrency>0 in innobase_commit() should be removed and that function would have to acquire and release commit_cond_m at least twice per invocation. Normally, innodb_commit_concurrency=0, and introducing the mutex operations would mean significant overhead. innodb_bug42101.test, innodb_bug42101-nonzero.test: Test cases. rb://123 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5000 | vasil | 2009-05-14 20:13:41 +0300 (Thu, 14 May 2009) | 4 lines branches/zip: Add ChangeLog entry for r4994. ------------------------------------------------------------------------ r5026 | marko | 2009-05-18 16:29:51 +0300 (Mon, 18 May 2009) | 1 line branches/zip: buf_validate(): Add missing out: comment. ------------------------------------------------------------------------ r5027 | marko | 2009-05-18 16:36:10 +0300 (Mon, 18 May 2009) | 1 line branches/zip: Add some missing out: comments to buf0buf.h, buf0buf.c. ------------------------------------------------------------------------ r5028 | marko | 2009-05-18 16:40:07 +0300 (Mon, 18 May 2009) | 11 lines branches/zip: When executing an optimistic update by delete-and-insert, correctly estimate the free space on the compressed page by page_zip_available(..., create=TRUE). This was reported as Issue #231. btr_cur_update_alloc_zip(): Add the parameter ibool create and pass it to page_zip_available(). The parameter was previously passed as 0. btr_cur_optimistic_update(): Pass create=TRUE to btr_cur_update_alloc_zip(). rb://120 approved by Heikki Tuuri ------------------------------------------------------------------------ r5030 | marko | 2009-05-19 10:04:04 +0300 (Tue, 19 May 2009) | 2 lines branches/zip: os_thread_get_curr_id(), os_thread_get_curr(): Add missing out: comments. ------------------------------------------------------------------------ r5031 | marko | 2009-05-19 10:30:02 +0300 (Tue, 19 May 2009) | 1 line branches/zip: Add missing out: comments to nullary functions. ------------------------------------------------------------------------ r5033 | marko | 2009-05-19 11:00:51 +0300 (Tue, 19 May 2009) | 1 line branches/zip: Remove bogus out: comments of functions returning void. ------------------------------------------------------------------------ r5034 | marko | 2009-05-19 12:41:32 +0300 (Tue, 19 May 2009) | 1 line branches/zip: row_update_prebuilt_trx(): Correct bogus comment. ------------------------------------------------------------------------ r5035 | marko | 2009-05-19 13:04:58 +0300 (Tue, 19 May 2009) | 3 lines branches/zip: ut0auxconf_have_solaris_atomics.c: Get the function declarations from . Call the functions with proper arguments. ------------------------------------------------------------------------ r5036 | marko | 2009-05-19 13:05:50 +0300 (Tue, 19 May 2009) | 1 line branches/zip: Add proper comments to some file page accessors. ------------------------------------------------------------------------ r5037 | marko | 2009-05-19 13:08:16 +0300 (Tue, 19 May 2009) | 1 line branches/zip: Fix a typo that was introduced in r5036. ------------------------------------------------------------------------ r5038 | marko | 2009-05-19 22:59:07 +0300 (Tue, 19 May 2009) | 30 lines branches/zip: Write PAGE_MAX_TRX_ID to the redo log. Otherwise, transactions that are started before the rollback of incomplete transactions has finished may have an inconsistent view of the secondary indexes. dict_index_is_sec_or_ibuf(): Auxiliary function for controlling updates and checks of PAGE_MAX_TRX_ID: check whether an index is a secondary index or the insert buffer tree. page_set_max_trx_id(), page_update_max_trx_id(), lock_rec_insert_check_and_lock(), lock_sec_rec_modify_check_and_lock(), btr_cur_ins_lock_and_undo(), btr_cur_upd_lock_and_undo(): Add the parameter mtr. page_set_max_trx_id(): Allow mtr to be NULL. When mtr==NULL, do not attempt to write to the redo log. This only occurs when creating a page or reorganizing a compressed page. In these cases, the PAGE_MAX_TRX_ID will be set correctly during the application of redo log records, even though there is no explicit log record about it. btr_discard_only_page_on_level(): Preserve PAGE_MAX_TRX_ID. This function should be unreachable, though. btr_cur_pessimistic_update(): Update PAGE_MAX_TRX_ID. Add some assertions for checking that PAGE_MAX_TRX_ID is set on all secondary index leaf pages. rb://115 tested by Michael, fixes Issue #211 ------------------------------------------------------------------------ r5039 | marko | 2009-05-19 23:13:12 +0300 (Tue, 19 May 2009) | 1 line branches/zip: ib_wqueue_wait(): Add decorative comment. ------------------------------------------------------------------------ r5041 | marko | 2009-05-20 08:42:12 +0300 (Wed, 20 May 2009) | 1 line branches/zip: Add missing function comments. ------------------------------------------------------------------------ r5042 | marko | 2009-05-20 08:46:01 +0300 (Wed, 20 May 2009) | 1 line branches/zip: sync0rw.ic: Remove an extra ; that was added in r5041. ------------------------------------------------------------------------ r5044 | marko | 2009-05-20 11:11:58 +0300 (Wed, 20 May 2009) | 2 lines branches/zip: mlog_parse_index(): Correct a parameter comment and add a const qualifier that was missing. ------------------------------------------------------------------------ r5045 | marko | 2009-05-20 11:37:08 +0300 (Wed, 20 May 2009) | 1 line branches/zip: fil0fil.c: Correct some comments. ------------------------------------------------------------------------ r5046 | marko | 2009-05-20 12:19:40 +0300 (Wed, 20 May 2009) | 1 line branches/zip: Fix some function comments. ------------------------------------------------------------------------ r5047 | marko | 2009-05-20 12:26:49 +0300 (Wed, 20 May 2009) | 1 line branches/zip: ut_snprintf(): Fix the function comments. ------------------------------------------------------------------------ r5048 | marko | 2009-05-20 12:28:44 +0300 (Wed, 20 May 2009) | 3 lines branches/zip: inno_bcmp(): Remove this memcmp replacement. srv0start.c does not (any longer) call memcmp. srv_parse_megabytes(): Add a function comment. ------------------------------------------------------------------------ r5052 | marko | 2009-05-20 12:32:37 +0300 (Wed, 20 May 2009) | 1 line branches/zip: ib_vector_is_empty(): Fix the function comment. ------------------------------------------------------------------------ r5054 | marko | 2009-05-20 12:35:33 +0300 (Wed, 20 May 2009) | 1 line branches/zip: page_cur_lcg_prng(): Add missing parameter list. ------------------------------------------------------------------------ r5057 | marko | 2009-05-20 12:45:17 +0300 (Wed, 20 May 2009) | 1 line branches/zip: Remove bogus in: comments from struct members. ------------------------------------------------------------------------ r5058 | marko | 2009-05-20 13:06:03 +0300 (Wed, 20 May 2009) | 1 line branches/zip: Clean up some function comments. ------------------------------------------------------------------------ r5060 | marko | 2009-05-20 14:06:59 +0300 (Wed, 20 May 2009) | 1 line branches/zip: Clean up some comments. ------------------------------------------------------------------------ r5061 | marko | 2009-05-20 14:07:49 +0300 (Wed, 20 May 2009) | 2 lines branches/zip: innodb_export_status(): Remove the return(0), now that the function was declared void in r5060. ------------------------------------------------------------------------ r5062 | marko | 2009-05-20 14:45:03 +0300 (Wed, 20 May 2009) | 1 line branches/zip: ha_innodb.cc: Clean up some comments. ------------------------------------------------------------------------ r5063 | marko | 2009-05-20 16:10:17 +0300 (Wed, 20 May 2009) | 1 line branches/zip: ut_dulint_sort(): Write proper comments. ------------------------------------------------------------------------ r5064 | marko | 2009-05-20 16:17:26 +0300 (Wed, 20 May 2009) | 2 lines branches/zip: innobase_end(), innobase_flush_logs(): Document the function parameters. ------------------------------------------------------------------------ r5065 | marko | 2009-05-20 23:17:43 +0300 (Wed, 20 May 2009) | 1 line branches/zip: ha_innodb.cc: Add some missing function comments. ------------------------------------------------------------------------ r5066 | marko | 2009-05-21 00:51:23 +0300 (Thu, 21 May 2009) | 2 lines branches/zip: Fix some function comments. ------------------------------------------------------------------------ r5070 | vasil | 2009-05-21 08:27:00 +0300 (Thu, 21 May 2009) | 4 lines branches/zip: Whitespace fixup. ------------------------------------------------------------------------ --- CMakeLists.txt | 188 +++++++++++------- ChangeLog | 118 ++++++++++- btr/btr0btr.c | 34 +++- btr/btr0cur.c | 99 +++++---- buf/buf0buf.c | 17 +- buf/buf0lru.c | 1 + dict/dict0dict.c | 42 ++-- fil/fil0fil.c | 52 +++-- fsp/fsp0fsp.c | 3 +- handler/ha_innodb.cc | 182 ++++++++++++----- handler/win_delay_loader.cc | 14 +- ibuf/ibuf0ibuf.c | 39 ++-- include/buf0buf.h | 8 +- include/buf0lru.h | 1 + include/data0data.h | 3 +- include/data0data.ic | 6 +- include/data0type.h | 16 +- include/data0type.ic | 22 +- include/dict0dict.h | 30 ++- include/dict0dict.ic | 38 +++- include/dict0mem.h | 2 +- include/fil0fil.h | 21 +- include/ha_prototypes.h | 21 +- include/lock0lock.h | 11 +- include/lock0lock.ic | 2 +- include/log0recv.h | 2 + include/log0recv.ic | 2 + include/mem0mem.h | 3 +- include/mem0mem.ic | 3 +- include/mtr0log.h | 3 +- include/mtr0mtr.h | 6 + include/os0file.h | 13 +- include/os0proc.h | 1 + include/os0sync.h | 90 ++++++++- include/os0thread.h | 7 +- include/page0page.h | 14 +- include/page0page.ic | 19 +- include/page0zip.h | 5 +- include/pars0pars.h | 4 +- include/que0que.h | 2 +- include/read0read.h | 44 ++-- include/read0read.ic | 16 +- include/rem0rec.h | 1 - include/rem0rec.ic | 3 +- include/row0ins.h | 2 +- include/row0merge.h | 8 +- include/row0mysql.h | 13 +- include/row0purge.h | 4 +- include/row0row.h | 4 +- include/row0row.ic | 4 +- include/row0sel.h | 5 +- include/row0undo.h | 8 +- include/row0upd.h | 20 +- include/row0upd.ic | 2 +- include/row0vers.h | 10 +- include/srv0srv.h | 4 +- include/sync0rw.h | 82 ++++---- include/sync0rw.ic | 94 ++++----- include/sync0sync.h | 31 ++- include/sync0sync.ic | 58 +----- include/trx0purge.h | 15 +- include/trx0rec.h | 69 ++++--- include/trx0rec.ic | 41 ++-- include/trx0roll.h | 24 +-- include/trx0rseg.h | 4 +- include/trx0sys.h | 24 +-- include/trx0sys.ic | 22 +- include/trx0trx.h | 10 +- include/trx0types.h | 6 +- include/trx0undo.h | 56 +++--- include/trx0undo.ic | 28 +-- include/univ.i | 25 ++- include/ut0byte.h | 8 +- include/ut0ut.h | 11 +- include/ut0vec.ic | 5 +- include/ut0wqueue.h | 1 + lock/lock0lock.c | 24 ++- log/log0log.c | 4 +- log/log0recv.c | 11 +- mtr/mtr0log.c | 3 +- mysql-test/innodb.result | 60 +++--- mysql-test/innodb.test | 59 ++++-- mysql-test/innodb_bug42101-nonzero-master.opt | 1 + mysql-test/innodb_bug42101-nonzero.result | 22 ++ mysql-test/innodb_bug42101-nonzero.test | 19 ++ mysql-test/innodb_bug42101.result | 18 ++ mysql-test/innodb_bug42101.test | 17 ++ mysql-test/innodb_bug44032.result | 7 + mysql-test/innodb_bug44032.test | 13 ++ os/os0file.c | 29 ++- os/os0proc.c | 1 + os/os0thread.c | 6 +- page/page0cur.c | 68 ++++++- page/page0page.c | 30 ++- page/page0zip.c | 37 +++- pars/pars0pars.c | 5 +- plug.in | 48 +++++ read/read0read.c | 15 +- rem/rem0rec.c | 6 +- row/row0merge.c | 8 +- row/row0mysql.c | 71 ++++--- row/row0purge.c | 14 +- row/row0sel.c | 3 +- row/row0uins.c | 2 +- row/row0umod.c | 10 +- row/row0undo.c | 8 +- row/row0upd.c | 21 +- row/row0vers.c | 24 ++- srv/srv0srv.c | 5 +- srv/srv0start.c | 46 +++-- sync/sync0arr.c | 4 +- sync/sync0rw.c | 5 +- sync/sync0sync.c | 13 +- trx/trx0purge.c | 37 ++-- trx/trx0rec.c | 42 ++-- trx/trx0roll.c | 39 ++-- trx/trx0sys.c | 2 +- trx/trx0undo.c | 85 ++++---- ut/ut0auxconf.c | 13 -- ut/ut0auxconf_atomic_pthread_t_gcc.c | 43 ++++ ut/ut0auxconf_atomic_pthread_t_solaris.c | 34 ++++ ut/ut0auxconf_have_solaris_atomics.c | 39 ++++ ut/ut0auxconf_sizeof_pthread_t.c | 35 ++++ ut/ut0byte.c | 8 +- ut/ut0dbg.c | 3 +- ut/ut0ut.c | 11 +- ut/ut0wqueue.c | 1 + win-plugin/README | 3 - win-plugin/win-plugin.diff | 101 +++------- 129 files changed, 2001 insertions(+), 1138 deletions(-) create mode 100644 mysql-test/innodb_bug42101-nonzero-master.opt create mode 100644 mysql-test/innodb_bug42101-nonzero.result create mode 100644 mysql-test/innodb_bug42101-nonzero.test create mode 100644 mysql-test/innodb_bug42101.result create mode 100644 mysql-test/innodb_bug42101.test create mode 100644 mysql-test/innodb_bug44032.result create mode 100644 mysql-test/innodb_bug44032.test delete mode 100644 ut/ut0auxconf.c create mode 100644 ut/ut0auxconf_atomic_pthread_t_gcc.c create mode 100644 ut/ut0auxconf_atomic_pthread_t_solaris.c create mode 100644 ut/ut0auxconf_have_solaris_atomics.c create mode 100644 ut/ut0auxconf_sizeof_pthread_t.c diff --git a/CMakeLists.txt b/CMakeLists.txt index 61f0fec9a3f..b5fb26880a3 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,5 +1,5 @@ -# Copyright (C) 2006 MySQL AB -# +# Copyright (C) 2009 Oracle/Innobase Oy +# # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 2 of the License. @@ -11,87 +11,121 @@ # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") -SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") -ADD_DEFINITIONS(-D_WIN32 -D_LIB) +# This is the CMakeLists for InnoDB Plugin -# Bug 19424 - InnoDB: Possibly a memory overrun of the buffer being freed (64-bit Visual C) -# Removing Win64 compiler optimizations for all innodb/mem/* files. -IF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 8) - SET_SOURCE_FILES_PROPERTIES(${CMAKE_SOURCE_DIR}/storage/innobase/mem/mem0mem.c - ${CMAKE_SOURCE_DIR}/storage/innobase/mem/mem0pool.c - PROPERTIES COMPILE_FLAGS -Od) -ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio" AND CMAKE_SIZEOF_VOID_P MATCHES 8) +# The dynamic plugin requires CMake 2.6.0 or later. Otherwise, the /DELAYLOAD +# property will not be set +CMAKE_MINIMUM_REQUIRED(VERSION 2.6 FATAL_ERROR) -INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/zlib - ${CMAKE_SOURCE_DIR}/storage/innobase/include - ${CMAKE_SOURCE_DIR}/storage/innobase/handler - ${CMAKE_SOURCE_DIR}/sql - ${CMAKE_SOURCE_DIR}/regex - ${CMAKE_SOURCE_DIR}/extra/yassl/include) +# When PROJECT is defined, a separate .sln file will be generated. +# PROJECT (INNODB_PLUGIN) -SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c - buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c - data/data0data.c data/data0type.c - dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c - dyn/dyn0dyn.c - eval/eval0eval.c eval/eval0proc.c - fil/fil0fil.c - fsp/fsp0fsp.c - fut/fut0fut.c fut/fut0lst.c - ha/ha0ha.c ha/hash0hash.c ha/ha0storage.c - ibuf/ibuf0ibuf.c - pars/lexyy.c pars/pars0grm.c pars/pars0opt.c pars/pars0pars.c pars/pars0sym.c - lock/lock0lock.c lock/lock0iter.c - log/log0log.c log/log0recv.c - mach/mach0data.c - mem/mem0mem.c mem/mem0pool.c - mtr/mtr0log.c mtr/mtr0mtr.c - os/os0file.c os/os0proc.c os/os0sync.c os/os0thread.c - page/page0cur.c page/page0page.c page/page0zip.c - que/que0que.c - handler/ha_innodb.cc handler/handler0alter.cc handler/i_s.cc handler/mysql_addons.cc - read/read0read.c - rem/rem0cmp.c rem/rem0rec.c - row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c - row/row0purge.c row/row0row.c row/row0sel.c row/row0uins.c - row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c - srv/srv0que.c srv/srv0srv.c srv/srv0start.c - sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c - thr/thr0loc.c - trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c - trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c - usr/usr0sess.c - ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0list.c ut/ut0wqueue.c) +MESSAGE(STATUS "Enter InnoDB ...") +MESSAGE(STATUS "INNODB_DYNAMIC_PLUGIN: " ${INNODB_DYNAMIC_PLUGIN}) + +# Print out CMake info +MESSAGE(STATUS "CMAKE_GENERATOR: " ${CMAKE_GENERATOR}) +MESSAGE(STATUS "CMAKE_SOURCE_DIR: " ${CMAKE_SOURCE_DIR}) + +# Print out system information +MESSAGE(STATUS "CMAKE_SYSTEM: " ${CMAKE_SYSTEM}) +MESSAGE(STATUS "CMAKE_SYSTEM_PROCESSOR: " ${CMAKE_SYSTEM_PROCESSOR}) +MESSAGE(STATUS "UNIX: " ${UNIX}) +MESSAGE(STATUS "WIN32: " ${WIN32}) + +IF (CMAKE_SIZEOF_VOID_P MATCHES 8) + SET(WIN64 TRUE) +ENDIF (CMAKE_SIZEOF_VOID_P MATCHES 8) + +MESSAGE(STATUS "WIN64: " ${WIN64}) +MESSAGE(STATUS "MSVC: " ${MSVC}) + +# Check type sizes +include(CheckTypeSize) + +# Currently, the checked results are not used. +CHECK_TYPE_SIZE(int SIZEOF_INT) +CHECK_TYPE_SIZE(long SIZEOF_LONG) +CHECK_TYPE_SIZE(void* SIZEOF_VOID_P) + +# Include directories under innobase +INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include + ${CMAKE_SOURCE_DIR}/storage/innobase/handler) + +# Include directories under mysql +INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include + ${CMAKE_SOURCE_DIR}/sql + ${CMAKE_SOURCE_DIR}/regex + ${CMAKE_SOURCE_DIR}/zlib + ${CMAKE_SOURCE_DIR}/extra/yassl/include) + +# Removing compiler optimizations for innodb/mem/* files on 64-bit Windows +# due to 64-bit compiler error, See MySQL Bug #19424, #36366, #34297 +IF(MSVC AND $(WIN64)) + SET_SOURCE_FILES_PROPERTIES(mem/mem0mem.c mem/mem0pool.c + PROPERTIES COMPILE_FLAGS -Od) +ENDIF(MSVC AND $(WIN64)) + +SET(INNODB_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c + buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c + data/data0data.c data/data0type.c + dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c + dyn/dyn0dyn.c + eval/eval0eval.c eval/eval0proc.c + fil/fil0fil.c + fsp/fsp0fsp.c + fut/fut0fut.c fut/fut0lst.c + ha/ha0ha.c ha/hash0hash.c ha/ha0storage.c + ibuf/ibuf0ibuf.c + pars/lexyy.c pars/pars0grm.c pars/pars0opt.c pars/pars0pars.c pars/pars0sym.c + lock/lock0lock.c lock/lock0iter.c + log/log0log.c log/log0recv.c + mach/mach0data.c + mem/mem0mem.c mem/mem0pool.c + mtr/mtr0log.c mtr/mtr0mtr.c + os/os0file.c os/os0proc.c os/os0sync.c os/os0thread.c + page/page0cur.c page/page0page.c page/page0zip.c + que/que0que.c + handler/ha_innodb.cc handler/handler0alter.cc handler/i_s.cc handler/mysql_addons.cc + read/read0read.c + rem/rem0cmp.c rem/rem0rec.c + row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c row/row0purge.c row/row0row.c + row/row0sel.c row/row0uins.c row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c + srv/srv0que.c srv/srv0srv.c srv/srv0start.c + sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c + thr/thr0loc.c + trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c + trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c + usr/usr0sess.c + ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c + ut/ut0list.c ut/ut0wqueue.c) IF(NOT SOURCE_SUBLIBS) - ADD_LIBRARY(innobase ${INNOBASE_SOURCES}) - ADD_DEPENDENCIES(innobase GenError) - SET_TARGET_PROPERTIES(innobase PROPERTIES COMPILE_FLAGS "-DMYSQL_SERVER") + # INNODB_RW_LOCKS_USE_ATOMICS may be defined only if HAVE_WINDOWS_ATOMICS is defined. + # Windows Interlocked functions require Windows 2000 or newer operating system + ADD_DEFINITIONS(-D_WIN32 -DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS) + ADD_LIBRARY(innobase STATIC ${INNODB_SOURCES}) + # Require mysqld_error.h, which is built as part of the GenError + ADD_DEPENDENCIES(innobase GenError) + # only set MYSQL_SERVER for the builtin engine, not the plugin + SET_TARGET_PROPERTIES(innobase PROPERTIES COMPILE_FLAGS "-DMYSQL_SERVER") - IF(INNODB_DYNAMIC_PLUGIN) - # The dynamic plugin requires CMake 2.6.0 or later. Otherwise, the /DELAYLOAD property - # will not be set - CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR) - ADD_LIBRARY(ha_innodb SHARED ${INNOBASE_SOURCES} ha_innodb.def handler/win_delay_loader.cc) - ADD_DEPENDENCIES(ha_innodb GenError mysqld) - # If build type is not specified as Release, default to Debug - # This is a workaround to a problem in CMake 2.6, which does not - # set the path of mysqld.lib correctly - IF(CMAKE_BUILD_TYPE MATCHES Release) - SET(CMAKE_BUILD_TYPE "Release") - ELSE(CMAKE_BUILD_TYPE MATCHES Release) - SET(CMAKE_BUILD_TYPE "Debug") - ENDIF(CMAKE_BUILD_TYPE MATCHES Release) - TARGET_LINK_LIBRARIES(ha_innodb strings zlib) - TARGET_LINK_LIBRARIES(ha_innodb ${CMAKE_SOURCE_DIR}/sql/${CMAKE_BUILD_TYPE}/mysqld.lib) - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES OUTPUT_NAME ha_innodb) - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/MAP /MAPINFO:EXPORTS") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/ENTRY:\"_DllMainCRTStartup@12\"") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES COMPILE_FLAGS "-DMYSQL_DYNAMIC_PLUGIN") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/DELAYLOAD:mysqld.exe") - ENDIF(INNODB_DYNAMIC_PLUGIN) + # Dynamic plugin ha_innodb.dll + IF(INNODB_DYNAMIC_PLUGIN) + ADD_LIBRARY(ha_innodb SHARED ${INNODB_SOURCES} ha_innodb.def handler/win_delay_loader.cc) + # Require mysqld_error.h, which is built as part of the GenError + # Also require mysqld.lib, which is built as part of the mysqld + ADD_DEPENDENCIES(ha_innodb GenError mysqld) + TARGET_LINK_LIBRARIES(ha_innodb ${CMAKE_SOURCE_DIR}/sql/\$\(OutDir\)/mysqld.lib) + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES OUTPUT_NAME ha_innodb) + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/MAP /MAPINFO:EXPORTS") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/ENTRY:\"_DllMainCRTStartup@12\"") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES COMPILE_FLAGS "-DMYSQL_DYNAMIC_PLUGIN") + SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/DELAYLOAD:mysqld.exe") + ENDIF(INNODB_DYNAMIC_PLUGIN) ENDIF(NOT SOURCE_SUBLIBS) + +MESSAGE(STATUS "Exit InnoDB ...") diff --git a/ChangeLog b/ChangeLog index 594f2f38916..2531eb6e51d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,8 +1,114 @@ +2009-05-19 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, + include/page0page.ic, include/lock0lock.h, include/dict0dict.h, + include/page0page.h, include/dict0dict.ic, ibuf/ibuf0ibuf.c, + page/page0zip.c, page/page0page.c: + Write updates of PAGE_MAX_TRX_ID to the redo log and add debug + assertions for checking that PAGE_MAX_TRX_ID is valid on leaf + pages of secondary indexes and the insert buffer B-tree. This bug + could cause failures in secondary index lookups in consistent + reads right after crash recovery. + +2009-05-18 The InnoDB Team + + * btr/btr0cur.c: + Correctly estimate the space needed on the compressed page when + performing an update by delete-and-insert. + +2009-05-14 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, + mysql-test/innodb_bug42101-nonzero-master.opt, + mysql-test/innodb_bug42101-nonzero.result, + mysql-test/innodb_bug42101-nonzero.test, + mysql-test/innodb_bug42101.result, mysql-test/innodb_bug42101.test, + srv/srv0srv.c: + Fix Bug#42101 Race condition in innodb_commit_concurrency + +2009-05-13 The InnoDB Team + + * dict/dict0dict.c: + Fix Bug#44320 InnoDB: missing DB_ROLL_PTR in Table Monitor COLUMNS + output + +2009-04-23 The InnoDB Team + + * row/row0mysql.c: + When scanning indexes, report in the error log any error codes + returned by the search function. These error codes will still be + ignored in CHECK TABLE. + +2009-04-23 The InnoDB Team + + * include/trx0types.h: + Define the logical type names trx_id_t, roll_ptr_t, and undo_no_t + and use them in place of dulint everywhere. + +2009-04-18 The InnoDB Team + + * handler/ha_innodb.cc, include/pars0pars.h: + Fix Bug#29125 Windows Server X64: so many compiler warnings + +2009-04-16 The InnoDB Team + + * include/univ.i: + Define REFMAN as the base URL of the MySQL Reference Manual and + use the macro in all diagnostic output. + +2009-04-16 The InnoDB Team + + * CMakeLists.txt, include/os0sync.h, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, srv/srv0start.c, + sync/sync0sync.c: + Use the Windows Interlocked functions for atomic memory + access. + +2009-04-15 The InnoDB Team + + * mysql-test/innodb.result, mysql-test/innodb.test: + Fix Bug#43309 Test main.innodb can't be run twice + +2009-04-14 The InnoDB Team + + * CMakeLists.txt, handler/win_delay_loader.cc, + win-plugin/win-plugin.diff: + Remove statically linked libraries from MySQL (zlib and strings). + +2009-04-11 The InnoDB Team + + * CMakeLists.txt, win-plugin/README, win-plugin/win-plugin.diff: + Rewrite CMakeLists.txt. + +2009-04-07 The InnoDB Team + + * include/os0sync.h, include/sync0rw.ic, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, plug.in, srv/srv0srv.c, + srv/srv0start.c, sync/sync0arr.c, sync/sync0sync.c: + Enable atomics on Solaris (using the libc functions as defined in + atomic.h) if GCC atomic builtins are not present. + +2009-04-07 The InnoDB Team + + * btr/btr0btr.c, dict/dict0dict.c, ibuf/ibuf0ibuf.c, + include/data0data.h, include/data0data.ic, include/data0type.h, + include/data0type.ic, include/dict0dict.h, include/dict0dict.ic, + include/rem0rec.ic, mysql-test/innodb.result, mysql-test/innodb.test, + pars/pars0pars.c, rem/rem0rec.c, row/row0upd.c: + Fix Bug#44032 In ROW_FORMAT=REDUNDANT, update UTF-8 CHAR + to/from NULL is not in-place + +2009-04-07 The InnoDB Team + + * page/page0cur.c: + Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for + indexes of InnoDB table + 2009-04-06 The InnoDB Team * handler/ha_innodb.cc: Make the parameter innodb_change_buffering settable by the - configuration file or mysqld command line options. Before this + configuration file or mysqld command line options. Before this fix, the initial value specified for this parameter was ignored. 2009-04-06 The InnoDB Team @@ -25,6 +131,14 @@ In consistent reads, refuse to use newly created indexes that may lack history. +2009-03-25 The InnoDB Team + + * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h: + In SHOW ENGINE INNODB MUTEX do not show the status of block->mutex, + block->lock, block->lock->mutex (if applicable) and all mutexes and + rw-locks for which number of os-waits are zero because this can + be overwhelming particularly when the buffer pool is very large. + 2009-03-20 The InnoDB Team * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: @@ -67,7 +181,7 @@ dict_ind_redundant and dict_ind_compact, which are initialized by dict_init(). -2008-03-11 The InnoDB Team +2009-03-11 The InnoDB Team InnoDB Plugin 1.0.3 released diff --git a/btr/btr0btr.c b/btr/btr0btr.c index d170232f24d..a537fbcefb5 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -664,8 +664,7 @@ btr_page_get_father_node_ptr( " to fix the\n" "InnoDB: corruption. If the crash happens at " "the database startup, see\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html about\n" + "InnoDB: " REFMAN "forcing-recovery.html about\n" "InnoDB: forcing recovery. " "Then dump + drop + reimport.\n", stderr); @@ -1002,8 +1001,16 @@ btr_page_reorganize_low( page_copy_rec_list_end_no_locks(block, temp_block, page_get_infimum_rec(temp_page), index, mtr); - /* Copy max trx id to recreated page */ - page_set_max_trx_id(block, NULL, page_get_max_trx_id(temp_page)); + + if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { + /* Copy max trx id to recreated page */ + trx_id_t max_trx_id = page_get_max_trx_id(temp_page); + page_set_max_trx_id(block, NULL, max_trx_id, mtr); + /* In crash recovery, dict_index_is_sec_or_ibuf() always + returns TRUE, even for clustered indexes. max_trx_id is + unused in clustered index pages. */ + ut_ad(!ut_dulint_is_zero(max_trx_id) || recovery); + } if (UNIV_LIKELY_NULL(page_zip) && UNIV_UNLIKELY @@ -2761,7 +2768,11 @@ btr_discard_only_page_on_level( buf_block_t* block, /* in: page which is the only on its level */ mtr_t* mtr) /* in: mtr */ { - ulint page_level = 0; + ulint page_level = 0; + trx_id_t max_trx_id; + + /* Save the PAGE_MAX_TRX_ID from the leaf page. */ + max_trx_id = page_get_max_trx_id(buf_block_get_frame(block)); while (buf_block_get_page_no(block) != dict_index_get_page(index)) { btr_cur_t cursor; @@ -2804,9 +2815,16 @@ btr_discard_only_page_on_level( btr_page_empty(block, buf_block_get_page_zip(block), index, 0, mtr); - /* We play it safe and reset the free bits for the root */ if (!dict_index_is_clust(index)) { + /* We play it safe and reset the free bits for the root */ ibuf_reset_free_bits(block); + + if (page_is_leaf(buf_block_get_frame(block))) { + ut_a(!ut_dulint_is_zero(max_trx_id)); + page_set_max_trx_id(block, + buf_block_get_page_zip(block), + max_trx_id, mtr); + } } } @@ -3181,7 +3199,7 @@ btr_index_rec_validate( for (i = 0; i < n; i++) { ulint fixed_size = dict_col_get_fixed_size( - dict_index_get_nth_col(index, i)); + dict_index_get_nth_col(index, i), page_is_comp(page)); rec_get_nth_field_offs(offsets, i, &len); @@ -3265,7 +3283,6 @@ static void btr_validate_report1( /*=================*/ - /* out: TRUE if ok */ dict_index_t* index, /* in: index */ ulint level, /* in: B-tree level */ const buf_block_t* block) /* in: index page */ @@ -3285,7 +3302,6 @@ static void btr_validate_report2( /*=================*/ - /* out: TRUE if ok */ const dict_index_t* index, /* in: index */ ulint level, /* in: B-tree level */ const buf_block_t* block1, /* in: first index page */ diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 0f38d852031..4fc78e8d6a3 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -182,8 +182,6 @@ UNIV_INLINE void btr_rec_set_deleted_flag( /*=====================*/ - /* out: TRUE on success; - FALSE on page_zip overflow */ rec_t* rec, /* in/out: physical record */ page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ ulint flag) /* in: nonzero if delete marked */ @@ -1082,6 +1080,7 @@ btr_cur_ins_lock_and_undo( btr_cur_t* cursor, /* in: cursor on page after which to insert */ const dtuple_t* entry, /* in: entry to insert */ que_thr_t* thr, /* in: query thread or NULL */ + mtr_t* mtr, /* in/out: mini-transaction */ ibool* inherit)/* out: TRUE if the inserted new record maybe should inherit LOCK_GAP type locks from the successor record */ @@ -1089,7 +1088,7 @@ btr_cur_ins_lock_and_undo( dict_index_t* index; ulint err; rec_t* rec; - dulint roll_ptr; + roll_ptr_t roll_ptr; /* Check if we have to wait for a lock: enqueue an explicit lock request if yes */ @@ -1099,7 +1098,7 @@ btr_cur_ins_lock_and_undo( err = lock_rec_insert_check_and_lock(flags, rec, btr_cur_get_block(cursor), - index, thr, inherit); + index, thr, mtr, inherit); if (err != DB_SUCCESS) { @@ -1313,7 +1312,8 @@ fail_err: } /* Check locks and write to the undo log, if specified */ - err = btr_cur_ins_lock_and_undo(flags, cursor, entry, thr, &inherit); + err = btr_cur_ins_lock_and_undo(flags, cursor, entry, + thr, mtr, &inherit); if (UNIV_UNLIKELY(err != DB_SUCCESS)) { @@ -1393,9 +1393,7 @@ fail_err: buf_block_get_page_no(block), max_size, rec_size + PAGE_DIR_SLOT_SIZE, index->type); #endif - if (leaf - && !dict_index_is_clust(index) - && !dict_index_is_ibuf(index)) { + if (leaf && !dict_index_is_clust(index)) { /* Update the free bits of the B-tree page in the insert buffer bitmap. */ @@ -1489,7 +1487,8 @@ btr_cur_pessimistic_insert( /* Retry with a pessimistic insert. Check locks and write to undo log, if specified */ - err = btr_cur_ins_lock_and_undo(flags, cursor, entry, thr, &dummy_inh); + err = btr_cur_ins_lock_and_undo(flags, cursor, entry, + thr, mtr, &dummy_inh); if (err != DB_SUCCESS) { @@ -1584,7 +1583,8 @@ btr_cur_upd_lock_and_undo( ulint cmpl_info,/* in: compiler info on secondary index updates */ que_thr_t* thr, /* in: query thread */ - dulint* roll_ptr)/* out: roll pointer */ + mtr_t* mtr, /* in/out: mini-transaction */ + roll_ptr_t* roll_ptr)/* out: roll pointer */ { dict_index_t* index; rec_t* rec; @@ -1600,7 +1600,7 @@ btr_cur_upd_lock_and_undo( record */ return(lock_sec_rec_modify_check_and_lock( flags, btr_cur_get_block(cursor), rec, - index, thr)); + index, thr, mtr)); } /* Check if we have to wait for a lock: enqueue an explicit lock @@ -1645,7 +1645,7 @@ btr_cur_update_in_place_log( dict_index_t* index, /* in: index where cursor positioned */ const upd_t* update, /* in: update vector */ trx_t* trx, /* in: transaction */ - dulint roll_ptr, /* in: roll ptr */ + roll_ptr_t roll_ptr, /* in: roll ptr */ mtr_t* mtr) /* in: mtr */ { byte* log_ptr; @@ -1696,15 +1696,15 @@ btr_cur_parse_update_in_place( page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ dict_index_t* index) /* in: index corresponding to page */ { - ulint flags; - rec_t* rec; - upd_t* update; - ulint pos; - dulint trx_id; - dulint roll_ptr; - ulint rec_offset; - mem_heap_t* heap; - ulint* offsets; + ulint flags; + rec_t* rec; + upd_t* update; + ulint pos; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint rec_offset; + mem_heap_t* heap; + ulint* offsets; if (end_ptr < ptr + 1) { @@ -1774,6 +1774,8 @@ btr_cur_update_alloc_zip( buf_block_t* block, /* in/out: buffer page */ dict_index_t* index, /* in: the index corresponding to the block */ ulint length, /* in: size needed */ + ibool create, /* in: TRUE=delete-and-insert, + FALSE=update-in-place */ mtr_t* mtr) /* in: mini-transaction */ { ut_a(page_zip == buf_block_get_page_zip(block)); @@ -1781,7 +1783,7 @@ btr_cur_update_alloc_zip( ut_ad(!dict_index_is_ibuf(index)); if (page_zip_available(page_zip, dict_index_is_clust(index), - length, 0)) { + length, create)) { return(TRUE); } @@ -1808,7 +1810,7 @@ btr_cur_update_alloc_zip( the free space available on the page. */ if (!page_zip_available(page_zip, dict_index_is_clust(index), - length, 0)) { + length, create)) { /* Out of space: reset the free bits. */ if (!dict_index_is_clust(index) && page_is_leaf(buf_block_get_frame(block))) { @@ -1844,7 +1846,7 @@ btr_cur_update_in_place( page_zip_des_t* page_zip; ulint err; rec_t* rec; - dulint roll_ptr = ut_dulint_zero; + roll_ptr_t roll_ptr = ut_dulint_zero; trx_t* trx; ulint was_delete_marked; mem_heap_t* heap = NULL; @@ -1873,13 +1875,13 @@ btr_cur_update_in_place( /* Check that enough space is available on the compressed page. */ if (UNIV_LIKELY_NULL(page_zip) && !btr_cur_update_alloc_zip(page_zip, block, index, - rec_offs_size(offsets), mtr)) { + rec_offs_size(offsets), FALSE, mtr)) { return(DB_ZIP_OVERFLOW); } /* Do lock checking and undo logging */ err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, - thr, &roll_ptr); + thr, mtr, &roll_ptr); if (UNIV_UNLIKELY(err != DB_SUCCESS)) { if (UNIV_LIKELY_NULL(heap)) { @@ -1981,7 +1983,7 @@ btr_cur_optimistic_update( ulint new_rec_size; ulint old_rec_size; dtuple_t* new_entry; - dulint roll_ptr; + roll_ptr_t roll_ptr; trx_t* trx; mem_heap_t* heap; ulint i; @@ -2057,7 +2059,7 @@ any_extern: if (UNIV_LIKELY_NULL(page_zip) && !btr_cur_update_alloc_zip(page_zip, block, index, - new_rec_size, mtr)) { + new_rec_size, TRUE, mtr)) { err = DB_ZIP_OVERFLOW; goto err_exit; } @@ -2096,8 +2098,8 @@ any_extern: } /* Do lock checking and undo logging */ - err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, thr, - &roll_ptr); + err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, + thr, mtr, &roll_ptr); if (err != DB_SUCCESS) { err_exit: mem_heap_free(heap); @@ -2237,7 +2239,7 @@ btr_cur_pessimistic_update( dtuple_t* new_entry; ulint err; ulint optim_err; - dulint roll_ptr; + roll_ptr_t roll_ptr; trx_t* trx; ibool was_first; ulint n_extents = 0; @@ -2276,7 +2278,7 @@ btr_cur_pessimistic_update( /* Do lock checking and undo logging */ err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, - thr, &roll_ptr); + thr, mtr, &roll_ptr); if (err != DB_SUCCESS) { return(err); @@ -2451,6 +2453,19 @@ make_external: ut_a(err == DB_SUCCESS); ut_a(dummy_big_rec == NULL); + if (dict_index_is_sec_or_ibuf(index)) { + /* Update PAGE_MAX_TRX_ID in the index page header. + It was not updated by btr_cur_pessimistic_insert() + because of BTR_NO_LOCKING_FLAG. */ + buf_block_t* rec_block; + + rec_block = btr_cur_get_block(cursor); + + page_update_max_trx_id(rec_block, + buf_block_get_page_zip(rec_block), + trx->id, mtr); + } + if (!rec_get_deleted_flag(rec, rec_offs_comp(offsets))) { /* The new inserted record owns its possible externally stored fields */ @@ -2509,7 +2524,7 @@ btr_cur_del_mark_set_clust_rec_log( dict_index_t* index, /* in: index of the record */ ibool val, /* in: value to set */ trx_t* trx, /* in: deleting transaction */ - dulint roll_ptr,/* in: roll ptr to the undo log record */ + roll_ptr_t roll_ptr,/* in: roll ptr to the undo log record */ mtr_t* mtr) /* in: mtr */ { byte* log_ptr; @@ -2558,13 +2573,13 @@ btr_cur_parse_del_mark_set_clust_rec( page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ dict_index_t* index) /* in: index corresponding to page */ { - ulint flags; - ulint val; - ulint pos; - dulint trx_id; - dulint roll_ptr; - ulint offset; - rec_t* rec; + ulint flags; + ulint val; + ulint pos; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint offset; + rec_t* rec; ut_ad(!page || !!page_is_comp(page) == dict_table_is_comp(index->table)); @@ -2644,7 +2659,7 @@ btr_cur_del_mark_set_clust_rec( { dict_index_t* index; buf_block_t* block; - dulint roll_ptr; + roll_ptr_t roll_ptr; ulint err; rec_t* rec; page_zip_des_t* page_zip; @@ -2826,7 +2841,7 @@ btr_cur_del_mark_set_sec_rec( err = lock_sec_rec_modify_check_and_lock(flags, btr_cur_get_block(cursor), - rec, cursor->index, thr); + rec, cursor->index, thr, mtr); if (err != DB_SUCCESS) { return(err); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 8ee1ead7fbc..a29b982a783 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -372,8 +372,7 @@ buf_page_is_corrupted( "you may have copied the InnoDB\n" "InnoDB: tablespace but not the InnoDB " "log files. See\n" - "InnoDB: http://dev.mysql.com/doc/refman/" - "5.1/en/forcing-recovery.html\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" "InnoDB: for more information.\n", (ulong) mach_read_from_4(read_buf + FIL_PAGE_OFFSET), @@ -1173,7 +1172,6 @@ static void buf_pool_shrink( /*============*/ - /* out: TRUE if shrunk */ ulint chunk_size) /* in: number of pages to remove */ { buf_chunk_t* chunks; @@ -3243,9 +3241,8 @@ corrupt: " You can use CHECK\n" "InnoDB: TABLE to scan your" " table for corruption.\n" - "InnoDB: See also" - " http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html\n" + "InnoDB: See also " + REFMAN "forcing-recovery.html\n" "InnoDB: about forcing recovery.\n", stderr); if (srv_force_recovery < SRV_FORCE_IGNORE_CORRUPT) { @@ -3371,6 +3368,7 @@ UNIV_INTERN ibool buf_validate(void) /*==============*/ + /* out: TRUE */ { buf_page_t* b; buf_chunk_t* chunk; @@ -3707,6 +3705,7 @@ UNIV_INTERN ulint buf_get_latched_pages_number(void) /*==============================*/ + /* out: number of latched pages */ { buf_chunk_t* chunk; buf_page_t* b; @@ -3795,6 +3794,7 @@ UNIV_INTERN ulint buf_get_n_pending_ios(void) /*=======================*/ + /* out: number of pending I/O operations */ { return(buf_pool->n_pend_reads + buf_pool->n_flush[BUF_FLUSH_LRU] @@ -3809,6 +3809,7 @@ UNIV_INTERN ulint buf_get_modified_ratio_pct(void) /*============================*/ + /* out: modified page percentage ratio */ { ulint ratio; @@ -3923,11 +3924,12 @@ buf_refresh_io_stats(void) } /************************************************************************* -Checks that all file pages in the buffer are in a replaceable state. */ +Asserts that all file pages in the buffer are in a replaceable state. */ UNIV_INTERN ibool buf_all_freed(void) /*===============*/ + /* out: TRUE */ { buf_chunk_t* chunk; ulint i; @@ -3988,6 +3990,7 @@ UNIV_INTERN ulint buf_get_free_list_len(void) /*=======================*/ + /* out: length of the free list */ { ulint len; diff --git a/buf/buf0lru.c b/buf/buf0lru.c index d6371ba348b..26fdf9d51bc 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1874,6 +1874,7 @@ UNIV_INTERN ibool buf_LRU_validate(void) /*==================*/ + /* out: TRUE */ { buf_page_t* bpage; buf_block_t* block; diff --git a/dict/dict0dict.c b/dict/dict0dict.c index e95a666269d..434b4e04ead 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -29,9 +29,9 @@ Created 1/8/1996 Heikki Tuuri #endif /* dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ -dict_index_t* dict_ind_redundant; +UNIV_INTERN dict_index_t* dict_ind_redundant; /* dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ -dict_index_t* dict_ind_compact; +UNIV_INTERN dict_index_t* dict_ind_compact; #ifndef UNIV_HOTBACKUP #include "buf0buf.h" @@ -650,8 +650,7 @@ dict_table_get( /* out: table, NULL if does not exist */ const char* table_name, /* in: table name */ - ibool inc_mysql_count) - /* in: whether to increment the open + ibool inc_mysql_count)/* in: whether to increment the open handle count on the table */ { dict_table_t* table; @@ -1252,7 +1251,8 @@ dict_index_too_big_for_undo( ulint max_size = dict_col_get_max_size(col); ulint fixed_size - = dict_col_get_fixed_size(col); + = dict_col_get_fixed_size(col, + dict_table_is_comp(table)); if (fixed_size) { /* Fixed-size columns are stored locally. */ @@ -1382,7 +1382,7 @@ dict_index_too_big_for_tree( case in rec_get_converted_size_comp() for REC_STATUS_ORDINARY records. */ - field_max_size = dict_col_get_fixed_size(col); + field_max_size = dict_col_get_fixed_size(col, comp); if (field_max_size) { /* dict_index_add_col() should guarantee this */ ut_ad(!field->prefix_len @@ -1542,7 +1542,7 @@ too_big: if (field->prefix_len /* prefix index */ && !col->ord_part /* not yet ordering column */ - && !dict_col_get_fixed_size(col) /* variable-length */ + && !dict_col_get_fixed_size(col, TRUE) /* variable-length */ && dict_col_get_max_size(col) > BTR_EXTERN_FIELD_REF_SIZE * 2 /* long enough */) { @@ -1737,7 +1737,8 @@ dict_index_add_col( field = dict_index_get_nth_field(index, index->n_def - 1); field->col = col; - field->fixed_len = (unsigned int) dict_col_get_fixed_size(col); + field->fixed_len = (unsigned int) dict_col_get_fixed_size( + col, dict_table_is_comp(table)); if (prefix_len && field->fixed_len > prefix_len) { field->fixed_len = (unsigned int) prefix_len; @@ -1934,7 +1935,8 @@ dict_index_build_internal_clust( for (i = 0; i < trx_id_pos; i++) { fixed_size = dict_col_get_fixed_size( - dict_index_get_nth_col(new_index, i)); + dict_index_get_nth_col(new_index, i), + dict_table_is_comp(table)); if (fixed_size == 0) { new_index->trx_id_offset = 0; @@ -2447,8 +2449,7 @@ dict_foreign_error_report( fputs("The index in the foreign key in table is ", file); ut_print_name(file, NULL, FALSE, fk->foreign_index->name); fputs("\n" - "See http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-foreign-key-constraints.html\n" + "See " REFMAN "innodb-foreign-key-constraints.html\n" "for correct foreign key definition.\n", file); } @@ -3368,8 +3369,7 @@ col_loop1: ut_print_name(ef, NULL, TRUE, name); fprintf(ef, " where the columns appear\n" "as the first columns. Constraint:\n%s\n" - "See http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-foreign-key-constraints.html\n" + "See " REFMAN "innodb-foreign-key-constraints.html\n" "for correct foreign key definition.\n", start_of_latest_foreign); mutex_exit(&dict_foreign_err_mutex); @@ -3649,7 +3649,7 @@ try_find_index: " and such columns in old tables\n" "cannot be referenced by such columns" " in new tables.\n" - "See http://dev.mysql.com/doc/refman/5.1/en/" + "See " REFMAN "innodb-foreign-key-constraints.html\n" "for correct foreign key definition.\n", start_of_latest_foreign); @@ -4070,14 +4070,15 @@ dict_index_calc_min_rec_len( { ulint sum = 0; ulint i; + ulint comp = dict_table_is_comp(index->table); - if (dict_table_is_comp(index->table)) { + if (comp) { ulint nullable = 0; sum = REC_N_NEW_EXTRA_BYTES; for (i = 0; i < dict_index_get_n_fields(index); i++) { const dict_col_t* col = dict_index_get_nth_col(index, i); - ulint size = dict_col_get_fixed_size(col); + ulint size = dict_col_get_fixed_size(col, comp); sum += size; if (!size) { size = col->len; @@ -4096,7 +4097,7 @@ dict_index_calc_min_rec_len( for (i = 0; i < dict_index_get_n_fields(index); i++) { sum += dict_col_get_fixed_size( - dict_index_get_nth_col(index, i)); + dict_index_get_nth_col(index, i), comp); } if (sum > 127) { @@ -4132,8 +4133,7 @@ dict_update_statistics_low( " InnoDB: cannot calculate statistics for table %s\n" "InnoDB: because the .ibd file is missing. For help," " please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n", + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", table->name); return; @@ -4255,7 +4255,7 @@ UNIV_INTERN void dict_table_print_by_name( /*=====================*/ - const char* name) + const char* name) /* in: table name */ { dict_table_t* table; @@ -4298,7 +4298,7 @@ dict_table_print_low( (ulong) UT_LIST_GET_LEN(table->indexes), (ulong) table->stat_n_rows); - for (i = 0; i + 1 < (ulint) table->n_cols; i++) { + for (i = 0; i < (ulint) table->n_cols; i++) { dict_col_print_low(table, dict_table_get_nth_col(table, i)); fputs("; ", stderr); } diff --git a/fil/fil0fil.c b/fil/fil0fil.c index f00f2e154ef..b7a291bb07e 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -185,8 +185,7 @@ struct fil_space_struct { tablespace whose size we do not know yet; last incomplete megabytes in data files may be ignored if space == 0 */ - ulint flags; /* in: compressed page size - and file format, or 0 */ + ulint flags; /* compressed page size and file format, or 0 */ ulint n_reserved_extents; /* number of reserved free extents for ongoing operations like B-tree page split */ @@ -1625,8 +1624,8 @@ fil_write_lsn_and_arch_no_to_file( ulint sum_of_sizes, /* in: combined size of previous files in space, in database pages */ ib_uint64_t lsn, /* in: lsn to write */ - ulint arch_log_no /* in: archived log number to write */ - __attribute__((unused))) + ulint arch_log_no __attribute__((unused))) + /* in: archived log number to write */ { byte* buf1; byte* buf; @@ -1870,6 +1869,8 @@ fil_op_write_log( MLOG_FILE_DELETE, or MLOG_FILE_RENAME */ ulint space_id, /* in: space id */ + ulint log_flags, /* in: redo log flags (stored + in the page number field) */ ulint flags, /* in: compressed page size and file format if type==MLOG_FILE_CREATE2, or 0 */ @@ -1893,8 +1894,8 @@ fil_op_write_log( return; } - log_ptr = mlog_write_initial_log_record_for_file_op(type, space_id, 0, - log_ptr, mtr); + log_ptr = mlog_write_initial_log_record_for_file_op( + type, space_id, log_flags, log_ptr, mtr); if (type == MLOG_FILE_CREATE2) { mach_write_to_4(log_ptr, flags); log_ptr += 4; @@ -1947,9 +1948,11 @@ fil_op_log_parse_or_replay( not fir completely between ptr and end_ptr */ byte* end_ptr, /* in: buffer end */ ulint type, /* in: the type of this log record */ - ulint space_id) /* in: the space id of the tablespace in + ulint space_id, /* in: the space id of the tablespace in question, or 0 if the log record should only be parsed but not replayed */ + ulint log_flags) /* in: redo log flags + (stored in the page number parameter) */ { ulint name_len; ulint new_name_len; @@ -2069,6 +2072,8 @@ fil_op_log_parse_or_replay( } else if (fil_get_space_id_for_table(name) != ULINT_UNDEFINED) { /* Do nothing */ + } else if (log_flags & MLOG_FILE_FLAG_TEMP) { + /* Temporary table, do nothing */ } else { /* Create the database directory for name, if it does not exist yet */ @@ -2232,7 +2237,7 @@ try_again: to write any log record */ mtr_start(&mtr); - fil_op_write_log(MLOG_FILE_DELETE, id, 0, path, NULL, &mtr); + fil_op_write_log(MLOG_FILE_DELETE, id, 0, 0, path, NULL, &mtr); mtr_commit(&mtr); #endif mem_free(path); @@ -2503,7 +2508,7 @@ retry: mtr_start(&mtr); - fil_op_write_log(MLOG_FILE_RENAME, id, 0, old_name, new_name, + fil_op_write_log(MLOG_FILE_RENAME, id, 0, 0, old_name, new_name, &mtr); mtr_commit(&mtr); } @@ -2707,7 +2712,9 @@ error_exit2: fil_op_write_log(flags ? MLOG_FILE_CREATE2 : MLOG_FILE_CREATE, - *space_id, flags, + *space_id, + is_temp ? MLOG_FILE_FLAG_TEMP : 0, + flags, tablename, NULL, &mtr); mtr_commit(&mtr); @@ -2945,8 +2952,7 @@ fil_open_single_table_tablespace( " a temporary table #sql...,\n" "InnoDB: and MySQL removed the .ibd file for this.\n" "InnoDB: Please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: for how to resolve the issue.\n", stderr); mem_free(filepath); @@ -2988,8 +2994,7 @@ fil_open_single_table_tablespace( "InnoDB: commands DISCARD TABLESPACE and" " IMPORT TABLESPACE?\n" "InnoDB: Please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: for how to resolve the issue.\n", (ulong) space_id, (ulong) space_flags, (ulong) id, (ulong) flags); @@ -3672,8 +3677,7 @@ fil_space_for_table_exists_in_mem( } error_exit: fputs("InnoDB: Please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: for how to resolve the issue.\n", stderr); mem_free(path); @@ -4685,17 +4689,25 @@ fil_addr_is_null( } /************************************************************************ -Accessor functions for a file page */ +Get the predecessor of a file page. */ UNIV_INTERN ulint -fil_page_get_prev(const byte* page) +fil_page_get_prev( +/*==============*/ + /* out: FIL_PAGE_PREV */ + const byte* page) /* in: file page */ { return(mach_read_from_4(page + FIL_PAGE_PREV)); } +/************************************************************************ +Get the successor of a file page. */ UNIV_INTERN ulint -fil_page_get_next(const byte* page) +fil_page_get_next( +/*==============*/ + /* out: FIL_PAGE_NEXT */ + const byte* page) /* in: file page */ { return(mach_read_from_4(page + FIL_PAGE_NEXT)); } @@ -4706,7 +4718,7 @@ UNIV_INTERN void fil_page_set_type( /*==============*/ - byte* page, /* in: file page */ + byte* page, /* in/out: file page */ ulint type) /* in: type */ { ut_ad(page); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 883b47b6a88..7d72f33d2b7 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -3240,8 +3240,7 @@ fseg_free_page_low( "InnoDB: database!\n", (ulong) page); crash: fputs("InnoDB: Please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" "InnoDB: about forcing recovery.\n", stderr); ut_error; } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index a9d0533bf66..1c3f09a1ee4 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -112,13 +112,7 @@ undefined. Map it to NULL. */ # define EQ_CURRENT_THD(thd) ((thd) == current_thd) #endif /* MYSQL_DYNAMIC_PLUGIN && __WIN__ */ -#ifdef MYSQL_DYNAMIC_PLUGIN -/* These must be weak global variables in the dynamic plugin. */ -struct handlerton* innodb_hton_ptr; -#else /* MYSQL_DYNAMIC_PLUGIN */ -/* This must be a global variable in the statically linked InnoDB. */ -struct handlerton* innodb_hton_ptr = NULL; -#endif /* MYSQL_DYNAMIC_PLUGIN */ +static struct handlerton* innodb_hton_ptr; static const long AUTOINC_OLD_STYLE_LOCKING = 0; static const long AUTOINC_NEW_STYLE_LOCKING = 1; @@ -129,6 +123,7 @@ static long innobase_mirrored_log_groups, innobase_log_files_in_group, innobase_additional_mem_pool_size, innobase_file_io_threads, innobase_force_recovery, innobase_open_files, innobase_autoinc_lock_mode; +static ulong innobase_commit_concurrency = 0; static long long innobase_buffer_pool_size, innobase_log_file_size; @@ -246,6 +241,39 @@ innobase_alter_table_flags( static const char innobase_hton_name[]= "InnoDB"; +/***************************************************************** +Check for a valid value of innobase_commit_concurrency. */ +static +int +innobase_commit_concurrency_validate( +/*=================================*/ + /* out: 0 for valid + innodb_commit_concurrency */ + THD* thd, /* in: thread handle */ + struct st_mysql_sys_var* var, /* in: pointer to system + variable */ + void* save, /* out: immediate result + for update function */ + struct st_mysql_value* value) /* in: incoming string */ +{ + long long intbuf; + ulong commit_concurrency; + + DBUG_ENTER("innobase_commit_concurrency_validate"); + + if (value->val_int(value, &intbuf)) { + /* The value is NULL. That is invalid. */ + DBUG_RETURN(1); + } + + *reinterpret_cast(save) = commit_concurrency + = static_cast(intbuf); + + /* Allow the value to be updated, as long as it remains zero + or nonzero. */ + DBUG_RETURN(!(!commit_concurrency == !innobase_commit_concurrency)); +} + static MYSQL_THDVAR_BOOL(support_xa, PLUGIN_VAR_OPCMDARG, "Enable InnoDB support for the XA two-phase commit", /* check_func */ NULL, /* update_func */ NULL, @@ -356,7 +384,6 @@ static void innobase_drop_database( /*===================*/ - /* out: error number */ handlerton* hton, /* in: handlerton of Innodb */ char* path); /* in: database path; inside InnoDB the name of the last directory in the path is used as @@ -1089,19 +1116,22 @@ innobase_mysql_tmpfile(void) #endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ /************************************************************************* -Wrapper around MySQL's copy_and_convert function, see it for -documentation. */ +Wrapper around MySQL's copy_and_convert function. */ extern "C" UNIV_INTERN ulint innobase_convert_string( /*====================*/ - void* to, - ulint to_length, - CHARSET_INFO* to_cs, - const void* from, - ulint from_length, - CHARSET_INFO* from_cs, - uint* errors) + /* out: number of bytes copied + to 'to' */ + void* to, /* out: converted string */ + ulint to_length, /* in: number of bytes reserved + for the converted string */ + CHARSET_INFO* to_cs, /* in: character set to convert to */ + const void* from, /* in: string to convert */ + ulint from_length, /* in: number of bytes to convert */ + CHARSET_INFO* from_cs, /* in: character set to convert from */ + uint* errors) /* out: number of errors encountered + during the conversion */ { return(copy_and_convert((char*)to, (uint32) to_length, to_cs, (const char*)from, (uint32) from_length, from_cs, @@ -2181,9 +2211,12 @@ error: Closes an InnoDB database. */ static int -innobase_end(handlerton *hton, ha_panic_function type) -/*==============*/ - /* out: TRUE if error */ +innobase_end( +/*=========*/ + /* out: TRUE if error */ + handlerton* hton, /* in/out: InnoDB handlerton */ + ha_panic_function type __attribute__((unused))) + /* in: ha_panic() parameter */ { int err= 0; @@ -2222,9 +2255,10 @@ Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes the logs, and the name of this function should be innobase_checkpoint. */ static bool -innobase_flush_logs(handlerton *hton) -/*=====================*/ +innobase_flush_logs( +/*================*/ /* out: TRUE if error */ + handlerton* hton) /* in/out: InnoDB handlerton */ { bool result = 0; @@ -2374,11 +2408,11 @@ innobase_commit( Note, the position is current because of prepare_commit_mutex */ retry: - if (srv_commit_concurrency > 0) { + if (innobase_commit_concurrency > 0) { pthread_mutex_lock(&commit_cond_m); commit_threads++; - if (commit_threads > srv_commit_concurrency) { + if (commit_threads > innobase_commit_concurrency) { commit_threads--; pthread_cond_wait(&commit_cond, &commit_cond_m); @@ -2400,7 +2434,7 @@ retry: innobase_commit_low(trx); trx->flush_log_later = FALSE; - if (srv_commit_concurrency > 0) { + if (innobase_commit_concurrency > 0) { pthread_mutex_lock(&commit_cond_m); commit_threads--; pthread_cond_signal(&commit_cond); @@ -2735,6 +2769,8 @@ Get the table flags to use for the statement. */ UNIV_INTERN handler::Table_flags ha_innobase::table_flags() const +/*============================*/ + /* out: table flags */ { /* Need to use tx_isolation here since table flags is (also) called before prebuilt is inited. */ @@ -2751,6 +2787,8 @@ static const char* ha_innobase_exts[] = { NullS }; +/******************************************************************** +Returns the table type (storage engine name). */ UNIV_INTERN const char* ha_innobase::table_type() const @@ -2760,15 +2798,20 @@ ha_innobase::table_type() const return(innobase_hton_name); } +/******************************************************************** +Returns the index type. */ UNIV_INTERN const char* -ha_innobase::index_type(uint) -/*=========================*/ +ha_innobase::index_type( +/*====================*/ + uint) /* out: index type */ { return("BTREE"); } +/******************************************************************** +Returns the table file name extension. */ UNIV_INTERN const char** ha_innobase::bas_ext() const @@ -2778,24 +2821,40 @@ ha_innobase::bas_ext() const return(ha_innobase_exts); } +/******************************************************************** +Returns the operations supported for indexes. */ UNIV_INTERN ulong -ha_innobase::index_flags(uint, uint, bool) const +ha_innobase::index_flags( +/*=====================*/ + /* out: flags of supported operations */ + uint, + uint, + bool) +const { return(HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE | HA_KEYREAD_ONLY); } +/******************************************************************** +Returns the maximum number of keys. */ UNIV_INTERN uint ha_innobase::max_supported_keys() const +/*===================================*/ + /* out: MAX_KEY */ { return(MAX_KEY); } +/******************************************************************** +Returns the maximum key length. */ UNIV_INTERN uint ha_innobase::max_supported_key_length() const +/*=========================================*/ + /* out: maximum supported key length, in bytes */ { /* An InnoDB page must store >= 2 keys; a secondary key record must also contain the primary key value: max key length is @@ -2805,23 +2864,32 @@ ha_innobase::max_supported_key_length() const return(3500); } +/******************************************************************** +Returns the key map of keys that are usable for scanning. */ UNIV_INTERN const key_map* ha_innobase::keys_to_use_for_scanning() + /* out: key_map_full */ { return(&key_map_full); } +/******************************************************************** +Determines if table caching is supported. */ UNIV_INTERN uint8 ha_innobase::table_cache_type() + /* out: HA_CACHE_TBL_ASKTRANSACT */ { return(HA_CACHE_TBL_ASKTRANSACT); } +/******************************************************************** +Determines if the primary key is clustered index. */ UNIV_INTERN bool ha_innobase::primary_key_is_clustered() + /* out: true */ { return(true); } @@ -2879,6 +2947,7 @@ UNIV_INTERN ulint ha_innobase::innobase_initialize_autoinc() /*======================================*/ + /* out: DB_SUCCESS or error code */ { dict_index_t* index; ulonglong auto_inc; @@ -3003,7 +3072,7 @@ retry: "or, the table contains indexes that this " "version of the engine\n" "doesn't support.\n" - "See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n" + "See " REFMAN "innodb-troubleshooting.html\n" "how you can resolve the problem.\n", norm_name); free_share(share); @@ -3019,7 +3088,7 @@ retry: "Have you deleted the .ibd file from the " "database directory under\nthe MySQL datadir, " "or have you used DISCARD TABLESPACE?\n" - "See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n" + "See " REFMAN "innodb-troubleshooting.html\n" "how you can resolve the problem.\n", norm_name); free_share(share); @@ -4745,6 +4814,7 @@ UNIV_INTERN int ha_innobase::index_end(void) /*========================*/ + /* out: 0 */ { int error = 0; DBUG_ENTER("index_end"); @@ -4797,7 +4867,6 @@ convert_search_mode_to_innobase( case HA_READ_MBR_WITHIN: case HA_READ_MBR_DISJOINT: case HA_READ_MBR_EQUAL: - my_error(ER_TABLE_CANT_HANDLE_SPKEYS, MYF(0)); return(PAGE_CUR_UNSUPP); /* do not use "default:" in order to produce a gcc warning: enumeration value '...' not handled in switch @@ -5089,8 +5158,8 @@ ha_innobase::change_active_index( /************************************************************************** Positions an index cursor to the index specified in keynr. Fetches the -row if any. */ -/* ??? This is only used to read whole keys ??? */ +row if any. +??? This is only used to read whole keys ??? */ UNIV_INTERN int ha_innobase::index_read_idx( @@ -6423,8 +6492,7 @@ static void innobase_drop_database( /*===================*/ - /* out: error number */ - handlerton *hton, /* in: handlerton of Innodb */ + handlerton *hton, /* in: handlerton of Innodb */ char* path) /* in: database path; inside InnoDB the name of the last directory in the path is used as the database name: for example, in 'mysql/data/test' @@ -6690,7 +6758,7 @@ ha_innobase::records_in_range( mode2); } else { - n_rows = 0; + n_rows = HA_POS_ERROR; } mem_heap_free(heap); @@ -7010,8 +7078,8 @@ ha_innobase::info( ".frm file. Have you mixed up " ".frm files from different " "installations? See " -"http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n", - + REFMAN + "innodb-troubleshooting.html\n", ib_table->name); break; } @@ -7023,7 +7091,7 @@ ha_innobase::info( "Index %s of %s has %lu columns unique inside InnoDB, but MySQL is asking " "statistics for %lu columns. Have you mixed up .frm files from different " "installations? " -"See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n", +"See " REFMAN "innodb-troubleshooting.html\n", index->name, ib_table->name, (unsigned long) @@ -7404,7 +7472,7 @@ ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) f_key_info.referenced_key_name = thd_make_lex_string( thd, f_key_info.referenced_key_name, foreign->referenced_index->name, - strlen(foreign->referenced_index->name), 1); + (uint) strlen(foreign->referenced_index->name), 1); } else f_key_info.referenced_key_name= 0; @@ -7428,6 +7496,7 @@ UNIV_INTERN bool ha_innobase::can_switch_engines(void) /*=================================*/ + /* out: TRUE if can switch engines */ { bool can_switch; @@ -7861,8 +7930,8 @@ ha_innobase::transactional_table_lock( "InnoDB: Have you deleted the .ibd file" " from the database directory under\n" "InnoDB: the MySQL datadir?" - "InnoDB: See" - " http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n" + "InnoDB: See " REFMAN + "innodb-troubleshooting.html\n" "InnoDB: how you can resolve the problem.\n", prebuilt->table->name); DBUG_RETURN(HA_ERR_CRASHED); @@ -7926,15 +7995,13 @@ ha_innobase::transactional_table_lock( /**************************************************************************** Here we export InnoDB status variables to MySQL. */ static -int -innodb_export_status() -/*==================*/ +void +innodb_export_status(void) +/*======================*/ { if (innodb_inited) { srv_export_innodb_status(); } - - return(0); } /**************************************************************************** @@ -8017,7 +8084,7 @@ innodb_show_status( bool result = FALSE; - if (stat_print(thd, innobase_hton_name, strlen(innobase_hton_name), + if (stat_print(thd, innobase_hton_name, (uint) strlen(innobase_hton_name), STRING_WITH_LEN(""), str, flen)) { result= TRUE; } @@ -8048,7 +8115,7 @@ innodb_mutex_show_status( ulint rw_lock_count_os_yield= 0; ulonglong rw_lock_wait_time= 0; #endif /* UNIV_DEBUG */ - uint hton_name_len= strlen(innobase_hton_name), buf1len, buf2len; + uint hton_name_len= (uint) strlen(innobase_hton_name), buf1len, buf2len; DBUG_ENTER("innodb_mutex_show_status"); DBUG_ASSERT(hton == innodb_hton_ptr); @@ -8096,9 +8163,9 @@ innodb_mutex_show_status( rw_lock_wait_time += mutex->lspent_time; } #else /* UNIV_DEBUG */ - buf1len= my_snprintf(buf1, sizeof(buf1), "%s:%lu", + buf1len= (uint) my_snprintf(buf1, sizeof(buf1), "%s:%lu", mutex->cfile_name, (ulong) mutex->cline); - buf2len= my_snprintf(buf2, sizeof(buf2), "os_waits=%lu", + buf2len= (uint) my_snprintf(buf2, sizeof(buf2), "os_waits=%lu", mutex->count_os_wait); if (stat_print(thd, innobase_hton_name, @@ -8616,11 +8683,16 @@ ha_innobase::get_auto_increment( dict_table_autoinc_unlock(prebuilt->table); } -/* See comment in handler.h */ +/*********************************************************************** +Reset the auto-increment counter to the given value, i.e. the next row +inserted will get the given value. This is called e.g. after TRUNCATE +is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is +returned by storage engines that don't support this operation. */ UNIV_INTERN int ha_innobase::reset_auto_increment( /*==============================*/ + /* out: 0 or error code */ ulonglong value) /* in: new value for table autoinc */ { DBUG_ENTER("ha_innobase::reset_auto_increment"); @@ -8656,7 +8728,7 @@ ha_innobase::get_error_message(int error, String *buf) { trx_t* trx = check_trx_exists(ha_thd()); - buf->copy(trx->detailed_error, strlen(trx->detailed_error), + buf->copy(trx->detailed_error, (uint) strlen(trx->detailed_error), system_charset_info); return(FALSE); @@ -9604,10 +9676,10 @@ static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size, "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", NULL, NULL, 8*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); -static MYSQL_SYSVAR_ULONG(commit_concurrency, srv_commit_concurrency, +static MYSQL_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency, PLUGIN_VAR_RQCMDARG, "Helps in performance tuning in heavily concurrent environments.", - NULL, NULL, 0, 0, 1000, 0); + innobase_commit_concurrency_validate, NULL, 0, 0, 1000, 0); static MYSQL_SYSVAR_ULONG(concurrency_tickets, srv_n_free_tickets_to_enter, PLUGIN_VAR_RQCMDARG, diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index 8997e36d604..4a2d8f9b58c 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -90,14 +90,19 @@ absolute address (VA). This is due to the pointers in the delay descriptor (ImgDelayDescr in delayimp.h) have been changed from VAs to RVAs to work on both 32- and 64-bit platforms. */ template -X PFromRva(RVA rva) { +X PFromRva( +/*=======*/ + /* out: absolute virtual address */ + RVA rva) /* in: relative virtual address */ +{ return X(PBYTE(&__ImageBase) + rva); } /*********************************************************************** Convert to the old format for convenience. The structure as well as its element names follow the definition of ImgDelayDescr in delayimp.h. */ -struct InternalImgDelayDescr { +struct InternalImgDelayDescr +{ DWORD grAttrs; /* attributes */ LPCSTR szName; /* pointer to dll name */ HMODULE* phmod; /* address of module handle */ @@ -138,8 +143,7 @@ in the server: _db_return_ _db_dump_ -The plugin will get those function pointers during the initialization. -*/ +The plugin will get those function pointers during the initialization. */ typedef void (__cdecl* pfn_db_enter_)( const char* _func_, const char* _file_, @@ -352,7 +356,7 @@ wdl_load_mapfile( chain_header = map_cell; map_cell->symbol = strdup(func_name); - map_cell->value = (ulint) strtoull(tmp_buf, NULL, 0) + map_cell->value = (ulint) _strtoui64(tmp_buf, NULL, 0) - load_addr; map_fold = ut_fold_string(map_cell->symbol); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 0cf1b341130..6560dafe3ed 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1534,8 +1534,10 @@ ibuf_rec_get_size( const rec_t* rec, /* in: ibuf record */ const byte* types, /* in: fields */ ulint n_fields, /* in: number of fields */ - ibool pre_4_1) /* in: TRUE=pre-4.1 format, + ibool pre_4_1, /* in: TRUE=pre-4.1 format, FALSE=newer */ + ulint comp) /* in: 0=ROW_FORMAT=REDUNDANT, + nonzero=ROW_FORMAT=COMPACT */ { ulint i; ulint field_offset; @@ -1561,11 +1563,11 @@ ibuf_rec_get_size( } else if (pre_4_1) { dtype_read_for_order_and_null_size(&dtype, types); - size += dtype_get_sql_null_size(&dtype); + size += dtype_get_sql_null_size(&dtype, comp); } else { dtype_new_read_for_order_and_null_size(&dtype, types); - size += dtype_get_sql_null_size(&dtype); + size += dtype_get_sql_null_size(&dtype, comp); } types += types_offset; @@ -1592,36 +1594,34 @@ ibuf_rec_get_volume( ulint n_fields; ulint data_size; ibool pre_4_1; + ulint comp; ut_ad(ibuf_inside()); ut_ad(rec_get_n_fields_old(ibuf_rec) > 2); data = rec_get_nth_field_old(ibuf_rec, 1, &len); + pre_4_1 = (len > 1); - if (len > 1) { + if (pre_4_1) { /* < 4.1.x format record */ ut_a(trx_doublewrite_must_reset_space_ids); ut_a(!trx_sys_multiple_tablespace_format); - pre_4_1 = TRUE; - n_fields = rec_get_n_fields_old(ibuf_rec) - 2; types = rec_get_nth_field_old(ibuf_rec, 1, &len); ut_ad(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); + comp = 0; } else { /* >= 4.1.x format record */ ibuf_op_t op; - ibool comp; ulint info_len; ut_a(trx_sys_multiple_tablespace_format); ut_a(*data == 0); - pre_4_1 = FALSE; - types = rec_get_nth_field_old(ibuf_rec, 3, &len); ibuf_rec_get_info(ibuf_rec, &op, &comp, &info_len, NULL); @@ -1655,7 +1655,7 @@ ibuf_rec_get_volume( n_fields = rec_get_n_fields_old(ibuf_rec) - 4; } - data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, pre_4_1); + data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, pre_4_1, comp); return(data_size + rec_get_converted_extra_size(data_size, n_fields, 0) + page_dir_calc_reserved_space(1)); @@ -2599,6 +2599,8 @@ ibuf_get_volume_buffered_hash( const rec_t* rec, /* in: ibuf record in post-4.1 format */ const byte* types, /* in: fields */ const byte* data, /* in: start of user record data */ + ulint comp, /* in: 0=ROW_FORMAT=REDUNDANT, + nonzero=ROW_FORMAT=COMPACT */ byte* hash, /* in/out: hash array */ ulint size) /* in: size of hash array, in bytes */ { @@ -2607,7 +2609,7 @@ ibuf_get_volume_buffered_hash( ulint bitmask; len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, - FALSE); + FALSE, comp); fold = ut_fold_binary(data, len); hash += (fold / 8) % size; @@ -2668,7 +2670,7 @@ ibuf_get_volume_buffered_count( because deletes cannot be buffered if there are old-style inserts buffered for the page. */ - len = ibuf_rec_get_size(rec, types, n_fields, FALSE); + len = ibuf_rec_get_size(rec, types, n_fields, FALSE, 0); return(len + rec_get_converted_extra_size(len, n_fields, 0) @@ -2697,7 +2699,9 @@ ibuf_get_volume_buffered_count( See if this record has been already buffered. */ if (n_recs && ibuf_get_volume_buffered_hash( rec, types + IBUF_REC_INFO_SIZE, - types + len, hash, size)) { + types + len, + types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT, + hash, size)) { (*n_recs)++; } @@ -3437,7 +3441,7 @@ bitmap_fail: if (err == DB_SUCCESS) { /* Update the page max trx id field */ page_update_max_trx_id(btr_cur_get_block(cursor), NULL, - thr_get_trx(thr)->id); + thr_get_trx(thr)->id, &mtr); } } else { ut_ad(mode == BTR_MODIFY_TREE); @@ -3457,7 +3461,7 @@ bitmap_fail: if (err == DB_SUCCESS) { /* Update the page max trx id field */ page_update_max_trx_id(btr_cur_get_block(cursor), NULL, - thr_get_trx(thr)->id); + thr_get_trx(thr)->id, &mtr); } ibuf_size_update(root, &mtr); @@ -4255,12 +4259,13 @@ loop: keep the latch to the rec page until the insertion is finished! */ dtuple_t* entry; - dulint max_trx_id; + trx_id_t max_trx_id; dict_index_t* dummy_index; ibuf_op_t op = ibuf_rec_get_op_type(rec); max_trx_id = page_get_max_trx_id(page_align(rec)); - page_update_max_trx_id(block, page_zip, max_trx_id); + page_update_max_trx_id(block, page_zip, max_trx_id, + &mtr); entry = ibuf_build_entry_from_ibuf_rec( rec, heap, &dummy_index); diff --git a/include/buf0buf.h b/include/buf0buf.h index bbe772777db..fb28b77b7a0 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -535,6 +535,7 @@ UNIV_INTERN ibool buf_validate(void); /*==============*/ + /* out: TRUE */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************* @@ -571,6 +572,7 @@ UNIV_INTERN ulint buf_get_latched_pages_number(void); /*==============================*/ + /* out: number of latched pages */ #endif /* UNIV_DEBUG */ /************************************************************************* Returns the number of pending buf pool ios. */ @@ -578,6 +580,7 @@ UNIV_INTERN ulint buf_get_n_pending_ios(void); /*=======================*/ + /* out: number of pending I/O operations */ /************************************************************************* Prints info of the buffer i/o. */ UNIV_INTERN @@ -592,6 +595,7 @@ UNIV_INTERN ulint buf_get_modified_ratio_pct(void); /*============================*/ + /* out: modified page percentage ratio */ /************************************************************************** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN @@ -599,11 +603,12 @@ void buf_refresh_io_stats(void); /*======================*/ /************************************************************************* -Checks that all file pages in the buffer are in a replaceable state. */ +Asserts that all file pages in the buffer are in a replaceable state. */ UNIV_INTERN ibool buf_all_freed(void); /*===============*/ + /* out: TRUE */ /************************************************************************* Checks that there currently are no pending i/o-operations for the buffer pool. */ @@ -1023,6 +1028,7 @@ UNIV_INTERN ulint buf_get_free_list_len(void); /*=======================*/ + /* out: length of the free list */ /******************************************************************** Stop watching if the marked page is read in. */ UNIV_INTERN diff --git a/include/buf0lru.h b/include/buf0lru.h index e73869580bd..79baa54923a 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -219,6 +219,7 @@ UNIV_INTERN ibool buf_LRU_validate(void); /*==================*/ + /* out: TRUE */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** diff --git a/include/data0data.h b/include/data0data.h index 1190a7ae45a..18e541e0eeb 100644 --- a/include/data0data.h +++ b/include/data0data.h @@ -277,7 +277,8 @@ ulint dtuple_get_data_size( /*=================*/ /* out: sum of data lens */ - const dtuple_t* tuple); /* in: typed data tuple */ + const dtuple_t* tuple, /* in: typed data tuple */ + ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ /************************************************************************* Computes the number of externally stored fields in a data tuple. */ UNIV_INLINE diff --git a/include/data0data.ic b/include/data0data.ic index f11dbd9fce6..3308b0c5604 100644 --- a/include/data0data.ic +++ b/include/data0data.ic @@ -433,7 +433,8 @@ ulint dtuple_get_data_size( /*=================*/ /* out: sum of data lengths */ - const dtuple_t* tuple) /* in: typed data tuple */ + const dtuple_t* tuple, /* in: typed data tuple */ + ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ { const dfield_t* field; ulint n_fields; @@ -452,7 +453,8 @@ dtuple_get_data_size( len = dfield_get_len(field); if (len == UNIV_SQL_NULL) { - len = dtype_get_sql_null_size(dfield_get_type(field)); + len = dtype_get_sql_null_size(dfield_get_type(field), + comp); } sum += len; diff --git a/include/data0type.h b/include/data0type.h index 27c809762d3..31e0d61ebc6 100644 --- a/include/data0type.h +++ b/include/data0type.h @@ -255,14 +255,16 @@ UNIV_INLINE ulint dtype_get_mtype( /*============*/ - const dtype_t* type); + /* out: SQL main data type */ + const dtype_t* type); /* in: data type */ /************************************************************************* Gets the precise data type. */ UNIV_INLINE ulint dtype_get_prtype( /*=============*/ - const dtype_t* type); + /* out: precise data type */ + const dtype_t* type); /* in: data type */ #ifndef UNIV_HOTBACKUP /************************************************************************* Compute the mbminlen and mbmaxlen members of a data type structure. */ @@ -310,7 +312,9 @@ UNIV_INLINE ulint dtype_get_len( /*==========*/ - const dtype_t* type); + /* out: fixed length of the type, in bytes, + or 0 if variable-length */ + const dtype_t* type); /* in: data type */ #ifndef UNIV_HOTBACKUP /************************************************************************* Gets the minimum length of a character, in bytes. */ @@ -352,7 +356,8 @@ dtype_get_fixed_size_low( ulint prtype, /* in: precise type */ ulint len, /* in: length */ ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen); /* in: maximum length of a multibyte char */ + ulint mbmaxlen, /* in: maximum length of a multibyte char */ + ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP /*************************************************************************** Returns the minimum size of a data type. */ @@ -386,7 +391,8 @@ dtype_get_sql_null_size( /*====================*/ /* out: SQL null storage size in ROW_FORMAT=REDUNDANT */ - const dtype_t* type); /* in: type */ + const dtype_t* type, /* in: type */ + ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP /************************************************************************** Reads to a type the stored information which determines its alphabetical diff --git a/include/data0type.ic b/include/data0type.ic index c1b4269bbec..dad2943d1bc 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -161,7 +161,8 @@ UNIV_INLINE ulint dtype_get_mtype( /*============*/ - const dtype_t* type) + /* out: SQL main data type */ + const dtype_t* type) /* in: data type */ { ut_ad(type); @@ -174,7 +175,8 @@ UNIV_INLINE ulint dtype_get_prtype( /*=============*/ - const dtype_t* type) + /* out: precise data type */ + const dtype_t* type) /* in: data type */ { ut_ad(type); @@ -187,7 +189,9 @@ UNIV_INLINE ulint dtype_get_len( /*==========*/ - const dtype_t* type) + /* out: fixed length of the type, in bytes, + or 0 if variable-length */ + const dtype_t* type) /* in: data type */ { ut_ad(type); @@ -398,7 +402,8 @@ dtype_get_fixed_size_low( ulint prtype, /* in: precise type */ ulint len, /* in: length */ ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen) /* in: maximum length of a multibyte char */ + ulint mbmaxlen, /* in: maximum length of a multibyte char */ + ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ { switch (mtype) { case DATA_SYS: @@ -428,6 +433,8 @@ dtype_get_fixed_size_low( #ifndef UNIV_HOTBACKUP if (prtype & DATA_BINARY_TYPE) { return(len); + } else if (!comp) { + return(len); } else { /* We play it safe here and ask MySQL for mbminlen and mbmaxlen. Although @@ -581,13 +588,14 @@ dtype_get_sql_null_size( /*====================*/ /* out: SQL null storage size in ROW_FORMAT=REDUNDANT */ - const dtype_t* type) /* in: type */ + const dtype_t* type, /* in: type */ + ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ { #ifndef UNIV_HOTBACKUP return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, - type->mbminlen, type->mbmaxlen)); + type->mbminlen, type->mbmaxlen, comp)); #else /* !UNIV_HOTBACKUP */ return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, - 0, 0)); + 0, 0, 0)); #endif /* !UNIV_HOTBACKUP */ } diff --git a/include/dict0dict.h b/include/dict0dict.h index 93ab3793665..7d1b7df9901 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -144,7 +144,8 @@ ulint dict_col_get_fixed_size( /*====================*/ /* out: fixed size, or 0 */ - const dict_col_t* col); /* in: column */ + const dict_col_t* col, /* in: column */ + ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. For fixed length types it is the fixed length of the type, otherwise 0. */ @@ -154,7 +155,8 @@ dict_col_get_sql_null_size( /*=======================*/ /* out: SQL null storage size in ROW_FORMAT=REDUNDANT */ - const dict_col_t* col); /* in: column */ + const dict_col_t* col, /* in: column */ + ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ /************************************************************************* Gets the column number. */ @@ -162,7 +164,9 @@ UNIV_INLINE ulint dict_col_get_no( /*============*/ - const dict_col_t* col); + /* out: col->ind, table column + position (starting from 0) */ + const dict_col_t* col); /* in: column */ /************************************************************************* Gets the column position in the clustered index. */ UNIV_INLINE @@ -436,8 +440,8 @@ dict_foreign_find_equiv_index( foreign->foreign_index, or NULL */ dict_foreign_t* foreign);/* in: foreign key */ /************************************************************************** -Returns an index object by matching on the name and column names and if -more than index is found return the index with the higher id.*/ +Returns an index object by matching on the name and column names and +if more than one index matches return the index with the max id */ UNIV_INTERN dict_index_t* dict_table_get_index_by_max_id( @@ -480,7 +484,7 @@ UNIV_INTERN void dict_table_print_by_name( /*=====================*/ - const char* name); + const char* name); /* in: table name */ /************************************************************************** Outputs info on foreign keys of a table. */ UNIV_INTERN @@ -566,6 +570,16 @@ dict_index_is_ibuf( zero for other indexes */ const dict_index_t* index) /* in: index */ __attribute__((pure)); +/************************************************************************ +Check whether the index is a secondary index or the insert buffer tree. */ +UNIV_INLINE +ulint +dict_index_is_sec_or_ibuf( +/*======================*/ + /* out: nonzero for insert buffer, + zero for other indexes */ + const dict_index_t* index) /* in: index */ + __attribute__((pure)); /************************************************************************ Gets the number of user-defined columns in a table in the dictionary @@ -903,7 +917,9 @@ UNIV_INLINE const dict_col_t* dict_field_get_col( /*===============*/ - const dict_field_t* field); + /* out: field->col, + pointer to the table column */ + const dict_field_t* field); /* in: index field */ #ifndef UNIV_HOTBACKUP /************************************************************************** Returns an index object if it is found in the dictionary cache. diff --git a/include/dict0dict.ic b/include/dict0dict.ic index 982f0535fd0..51939642fac 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -104,10 +104,11 @@ ulint dict_col_get_fixed_size( /*====================*/ /* out: fixed size, or 0 */ - const dict_col_t* col) /* in: column */ + const dict_col_t* col, /* in: column */ + ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ { return(dtype_get_fixed_size_low(col->mtype, col->prtype, col->len, - col->mbminlen, col->mbmaxlen)); + col->mbminlen, col->mbmaxlen, comp)); } /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. @@ -118,9 +119,10 @@ dict_col_get_sql_null_size( /*=======================*/ /* out: SQL null storage size in ROW_FORMAT=REDUNDANT */ - const dict_col_t* col) /* in: column */ + const dict_col_t* col, /* in: column */ + ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ { - return(dict_col_get_fixed_size(col)); + return(dict_col_get_fixed_size(col, comp)); } /************************************************************************* @@ -129,7 +131,9 @@ UNIV_INLINE ulint dict_col_get_no( /*============*/ - const dict_col_t* col) + /* out: col->ind, table column + position (starting from 0) */ + const dict_col_t* col) /* in: column */ { ut_ad(col); @@ -243,6 +247,26 @@ dict_index_is_ibuf( return(UNIV_UNLIKELY(index->type & DICT_IBUF)); } +/************************************************************************ +Check whether the index is a secondary index or the insert buffer tree. */ +UNIV_INLINE +ulint +dict_index_is_sec_or_ibuf( +/*======================*/ + /* out: nonzero for insert buffer, + zero for other indexes */ + const dict_index_t* index) /* in: index */ +{ + ulint type; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + type = index->type; + + return(UNIV_LIKELY(!(type & DICT_CLUSTERED) || (type & DICT_IBUF))); +} + /************************************************************************ Gets the number of user-defined columns in a table in the dictionary cache. */ @@ -568,7 +592,9 @@ UNIV_INLINE const dict_col_t* dict_field_get_col( /*===============*/ - const dict_field_t* field) + /* out: field->col, + pointer to the table column */ + const dict_field_t* field) /* in: index field */ { ut_ad(field); diff --git a/include/dict0mem.h b/include/dict0mem.h index e6dea25da20..eaa9edea90a 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -402,7 +402,7 @@ struct dict_table_struct{ on the table: we cannot drop the table while there are foreign key checks running on it! */ - dulint query_cache_inv_trx_id; + trx_id_t query_cache_inv_trx_id; /* transactions whose trx id < than this number are not allowed to store to the MySQL query cache or retrieve from it; when a trx diff --git a/include/fil0fil.h b/include/fil0fil.h index 67fb3301d68..adc49afddaf 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -365,9 +365,11 @@ fil_op_log_parse_or_replay( not fir completely between ptr and end_ptr */ byte* end_ptr, /* in: buffer end */ ulint type, /* in: the type of this log record */ - ulint space_id); /* in: the space id of the tablespace in + ulint space_id, /* in: the space id of the tablespace in question, or 0 if the log record should only be parsed but not replayed */ + ulint log_flags); /* in: redo log flags + (stored in the page number parameter) */ /*********************************************************************** Deletes a single-table tablespace. The tablespace must be cached in the memory cache. */ @@ -682,19 +684,28 @@ fil_addr_is_null( /* out: TRUE if undefined */ fil_addr_t addr); /* in: address */ /************************************************************************ -Accessor functions for a file page */ +Get the predecessor of a file page. */ UNIV_INTERN ulint -fil_page_get_prev(const byte* page); +fil_page_get_prev( +/*==============*/ + /* out: FIL_PAGE_PREV */ + const byte* page); /* in: file page */ +/************************************************************************ +Get the successor of a file page. */ +UNIV_INTERN ulint -fil_page_get_next(const byte* page); +fil_page_get_next( +/*==============*/ + /* out: FIL_PAGE_NEXT */ + const byte* page); /* in: file page */ /************************************************************************* Sets the file page type. */ UNIV_INTERN void fil_page_set_type( /*==============*/ - byte* page, /* in: file page */ + byte* page, /* in/out: file page */ ulint type); /* in: type */ /************************************************************************* Gets the file page type. */ diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index ac5a640e662..12ba88daaec 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -26,19 +26,22 @@ Place, Suite 330, Boston, MA 02111-1307 USA InnoDB's C-code. */ /************************************************************************* -Wrapper around MySQL's copy_and_convert function, see it for -documentation. */ +Wrapper around MySQL's copy_and_convert function. */ UNIV_INTERN ulint innobase_convert_string( /*====================*/ - void* to, - ulint to_length, - CHARSET_INFO* to_cs, - const void* from, - ulint from_length, - CHARSET_INFO* from_cs, - uint* errors); + /* out: number of bytes copied + to 'to' */ + void* to, /* out: converted string */ + ulint to_length, /* in: number of bytes reserved + for the converted string */ + CHARSET_INFO* to_cs, /* in: character set to convert to */ + const void* from, /* in: string to convert */ + ulint from_length, /* in: number of bytes to convert */ + CHARSET_INFO* from_cs, /* in: character set to convert from */ + uint* errors); /* out: number of errors encountered + during the conversion */ /*********************************************************************** Formats the raw data in "data" (in InnoDB on-disk format) that is of diff --git a/include/lock0lock.h b/include/lock0lock.h index 2deeb804737..2de8708fdc9 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -28,6 +28,7 @@ Created 5/7/1996 Heikki Tuuri #include "univ.i" #include "buf0types.h" #include "trx0types.h" +#include "mtr0types.h" #include "rem0types.h" #include "dict0types.h" #include "que0types.h" @@ -288,10 +289,11 @@ lock_rec_insert_check_and_lock( DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - rec_t* rec, /* in: record after which to insert */ + const rec_t* rec, /* in: record after which to insert */ buf_block_t* block, /* in/out: buffer block of rec */ dict_index_t* index, /* in: index */ que_thr_t* thr, /* in: query thread */ + mtr_t* mtr, /* in/out: mini-transaction */ ibool* inherit);/* out: set to TRUE if the new inserted record maybe should inherit LOCK_GAP type locks from the successor @@ -330,13 +332,14 @@ lock_sec_rec_modify_check_and_lock( ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ buf_block_t* block, /* in/out: buffer block of rec */ - rec_t* rec, /* in: record which should be + const rec_t* rec, /* in: record which should be modified; NOTE: as this is a secondary index, we always have to modify the clustered index record first: see the comment below */ dict_index_t* index, /* in: secondary index */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr, /* in: query thread */ + mtr_t* mtr); /* in/out: mini-transaction */ /************************************************************************* Like the counterpart for a clustered index below, but now we read a secondary index record. */ @@ -617,7 +620,7 @@ ibool lock_check_trx_id_sanity( /*=====================*/ /* out: TRUE if ok */ - dulint trx_id, /* in: trx id */ + trx_id_t trx_id, /* in: trx id */ const rec_t* rec, /* in: user record */ dict_index_t* index, /* in: clustered index */ const ulint* offsets, /* in: rec_get_offsets(rec, index) */ diff --git a/include/lock0lock.ic b/include/lock0lock.ic index f978cc70678..56fea346eb3 100644 --- a/include/lock0lock.ic +++ b/include/lock0lock.ic @@ -79,7 +79,7 @@ lock_clust_rec_some_has_impl( dict_index_t* index, /* in: clustered index */ const ulint* offsets)/* in: rec_get_offsets(rec, index) */ { - dulint trx_id; + trx_id_t trx_id; ut_ad(mutex_own(&kernel_mutex)); ut_ad(dict_index_is_clust(index)); diff --git a/include/log0recv.h b/include/log0recv.h index 505e7aef918..adbbd7bdc62 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -77,6 +77,7 @@ UNIV_INLINE ibool recv_recovery_is_on(void); /*=====================*/ + /* out: recv_recovery_on */ #ifdef UNIV_LOG_ARCHIVE /*********************************************************************** Returns TRUE if recovery from backup is currently running. */ @@ -84,6 +85,7 @@ UNIV_INLINE ibool recv_recovery_from_backup_is_on(void); /*=================================*/ + /* out: recv_recovery_from_backup_on */ #endif /* UNIV_LOG_ARCHIVE */ /**************************************************************************** Applies the hashed log records to the page, if the page lsn is less than the diff --git a/include/log0recv.ic b/include/log0recv.ic index 4e6863b4730..2d570eab3db 100644 --- a/include/log0recv.ic +++ b/include/log0recv.ic @@ -30,6 +30,7 @@ UNIV_INLINE ibool recv_recovery_is_on(void) /*=====================*/ + /* out: recv_recovery_on */ { return(UNIV_UNLIKELY(recv_recovery_on)); } @@ -43,6 +44,7 @@ UNIV_INLINE ibool recv_recovery_from_backup_is_on(void) /*=================================*/ + /* out: recv_recovery_from_backup_on */ { return(recv_recovery_from_backup_on); } diff --git a/include/mem0mem.h b/include/mem0mem.h index f5e395cb1c1..10d574d446d 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -250,8 +250,7 @@ mem_free_func( /*==========*/ void* ptr, /* in, own: buffer to be freed */ const char* file_name, /* in: file name where created */ - ulint line /* in: line where created */ -); + ulint line); /* in: line where created */ /************************************************************************** Duplicates a NUL-terminated string. */ diff --git a/include/mem0mem.ic b/include/mem0mem.ic index 33fbdc4f139..03542d3d6f2 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -565,8 +565,7 @@ mem_free_func( /*==========*/ void* ptr, /* in, own: buffer to be freed */ const char* file_name, /* in: file name where created */ - ulint line /* in: line where created */ - ) + ulint line) /* in: line where created */ { mem_heap_t* heap; diff --git a/include/mtr0log.h b/include/mtr0log.h index bc7bde3541f..0bcb5bb80ea 100644 --- a/include/mtr0log.h +++ b/include/mtr0log.h @@ -237,8 +237,7 @@ mlog_parse_index( /* out: parsed record end, NULL if not a complete record */ byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - /* out: new value of log_ptr */ + const byte* end_ptr,/* in: buffer end */ ibool comp, /* in: TRUE=compact record format */ dict_index_t** index); /* out, own: dummy index */ diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index c92a89a3d83..3d98f957960 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -160,6 +160,12 @@ flag value must give the length also! */ #define MLOG_BIGGEST_TYPE ((byte)51) /* biggest value (used in asserts) */ +/* Flags for MLOG_FILE operations (stored in the page number +parameter, called log_flags in the functions). The page number +parameter was initially written as 0. */ +#define MLOG_FILE_FLAG_TEMP 1 /* identifies TEMPORARY TABLE in + MLOG_FILE_CREATE, MLOG_FILE_CREATE2 */ + /******************************************************************* Starts a mini-transaction and creates a mini-transaction handle and buffer in the memory buffer given by the caller. */ diff --git a/include/os0file.h b/include/os0file.h index 6623c58e9fe..1e7381d3afc 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -610,11 +610,14 @@ os_aio( ulint offset_high, /* in: most significant 32 bits of offset */ ulint n, /* in: number of bytes to read or write */ - fil_node_t* message1,/* in: messages for the aio handler (these - can be used to identify a completed aio - operation); if mode is OS_AIO_SYNC, these - are ignored */ - void* message2); + fil_node_t* message1,/* in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + void* message2);/* in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ /**************************************************************************** Wakes up all async i/o threads so that they know to exit themselves in shutdown. */ diff --git a/include/os0proc.h b/include/os0proc.h index 19b0b112638..e4a353999fa 100644 --- a/include/os0proc.h +++ b/include/os0proc.h @@ -49,6 +49,7 @@ UNIV_INTERN ulint os_proc_get_number(void); /*====================*/ + /* out: process id as a number */ /******************************************************************** Allocates large pages memory. */ UNIV_INTERN diff --git a/include/os0sync.h b/include/os0sync.h index 7e058266762..771d8938c8b 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -285,21 +285,101 @@ os_fast_mutex_free( /*===============*/ os_fast_mutex_t* fast_mutex); /* in: mutex to free */ +/************************************************************** +Atomic compare-and-swap and increment for InnoDB. */ + #ifdef HAVE_GCC_ATOMIC_BUILTINS /************************************************************** -Atomic compare-and-swap for InnoDB. Currently requires GCC atomic builtins. Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ -#define os_compare_and_swap(ptr, old_val, new_val) \ +# define os_compare_and_swap(ptr, old_val, new_val) \ __sync_bool_compare_and_swap(ptr, old_val, new_val) - +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) /************************************************************** -Atomic increment for InnoDB. Currently requires GCC atomic builtins. Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ -#define os_atomic_increment(ptr, amount) \ +# define os_atomic_increment(ptr, amount) \ __sync_add_and_fetch(ptr, amount) +# define os_atomic_increment_lint(ptr, amount) \ + os_atomic_increment(ptr, amount) +# define os_atomic_increment_ulint(ptr, amount) \ + os_atomic_increment(ptr, amount) +/************************************************************** +Returns the old value of *ptr, atomically sets *ptr to new_val */ +# define os_atomic_test_and_set_byte(ptr, new_val) \ + __sync_lock_test_and_set(ptr, new_val) +/* If not compiling with GCC or GCC doesn't support the atomic +intrinsics and running on Solaris >= 10 use Solaris atomics */ +#elif defined(HAVE_SOLARIS_ATOMICS) +#include +/************************************************************** +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + (atomic_cas_ulong(ptr, old_val, new_val) == old_val) +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + ((lint)atomic_cas_ulong((ulong_t*) ptr, old_val, new_val) == old_val) +# ifdef INNODB_RW_LOCKS_USE_ATOMICS +# if SIZEOF_PTHREAD_T == 4 +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + ((pthread_t)atomic_cas_32(ptr, old_val, new_val) == old_val) +# elif SIZEOF_PTHREAD_T == 8 +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + ((pthread_t)atomic_cas_64(ptr, old_val, new_val) == old_val) +# else +# error "SIZEOF_PTHREAD_T != 4 or 8" +# endif /* SIZEOF_PTHREAD_T CHECK */ +# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +/************************************************************** +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ +# define os_atomic_increment_lint(ptr, amount) \ + atomic_add_long_nv((ulong_t*) ptr, amount) +# define os_atomic_increment_ulint(ptr, amount) \ + atomic_add_long_nv(ptr, amount) +/************************************************************** +Returns the old value of *ptr, atomically sets *ptr to new_val */ +# define os_atomic_test_and_set_byte(ptr, new_val) \ + atomic_swap_uchar(ptr, new_val) +/* On Windows, use Windows atomics / interlocked */ +#elif defined(HAVE_WINDOWS_ATOMICS) +# ifdef _WIN64 +# define win_cmp_and_xchg InterlockedCompareExchange64 +# define win_xchg_and_add InterlockedExchangeAdd64 +# else /* _WIN64 */ +# define win_cmp_and_xchg InterlockedCompareExchange +# define win_xchg_and_add InterlockedExchangeAdd +# endif +/************************************************************** +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) +# ifdef INNODB_RW_LOCKS_USE_ATOMICS +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + (InterlockedCompareExchange(ptr, new_val, old_val) == old_val) +# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +/************************************************************** +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ +# define os_atomic_increment_lint(ptr, amount) \ + (win_xchg_and_add(ptr, amount) + amount) +# define os_atomic_increment_ulint(ptr, amount) \ + ((ulint) (win_xchg_and_add(ptr, amount) + amount)) +/************************************************************** +Returns the old value of *ptr, atomically sets *ptr to new_val. +InterlockedExchange() operates on LONG, and the LONG will be +clobbered */ +# define os_atomic_test_and_set_byte(ptr, new_val) \ + ((byte) InterlockedExchange(ptr, new_val)) #endif /* HAVE_GCC_ATOMIC_BUILTINS */ #ifndef UNIV_NONINL diff --git a/include/os0thread.h b/include/os0thread.h index 863596bfa84..915b8ede99f 100644 --- a/include/os0thread.h +++ b/include/os0thread.h @@ -71,8 +71,8 @@ UNIV_INTERN ulint os_thread_pf( /*=========*/ - /* out: unsigned long int */ - os_thread_id_t a); /* in: thread or thread id */ + /* out: thread identifier as a number */ + os_thread_id_t a); /* in: OS thread identifier */ /******************************************************************** Creates a new thread of execution. The execution starts from the function given. The start function takes a void* parameter @@ -109,12 +109,14 @@ UNIV_INTERN os_thread_id_t os_thread_get_curr_id(void); /*========================*/ + /* out: current thread identifier */ /********************************************************************* Returns handle to the current thread. */ UNIV_INTERN os_thread_t os_thread_get_curr(void); /*====================*/ + /* out: current thread handle */ /********************************************************************* Advises the os to give up remainder of the thread's time slice. */ UNIV_INTERN @@ -150,6 +152,7 @@ UNIV_INTERN ulint os_thread_get_last_error(void); /*==========================*/ + /* out: last error on Windows, 0 otherwise */ #ifndef UNIV_NONINL #include "os0thread.ic" diff --git a/include/page0page.h b/include/page0page.h index 8a6844a0d47..c76cc89b128 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -66,8 +66,8 @@ typedef byte page_header_t; #define PAGE_N_RECS 16 /* number of user records on the page */ #define PAGE_MAX_TRX_ID 18 /* highest id of a trx which may have modified a record on the page; a dulint; defined only - in secondary indexes; specifically, not in an - ibuf tree; NOTE: this may be modified only + in secondary indexes and in the insert buffer + tree; NOTE: this may be modified only when the thread has an x-latch to the page, and ALSO an x-latch to btr_search_latch if there is a hash index to the page! */ @@ -177,7 +177,7 @@ page_offset( /***************************************************************** Returns the max trx id field value. */ UNIV_INLINE -dulint +trx_id_t page_get_max_trx_id( /*================*/ const page_t* page); /* in: page */ @@ -189,7 +189,8 @@ page_set_max_trx_id( /*================*/ buf_block_t* block, /* in/out: page */ page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dulint trx_id);/* in: transaction id */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr); /* in/out: mini-transaction, or NULL */ /***************************************************************** Sets the max trx id field value if trx_id is bigger than the previous value. */ @@ -200,7 +201,8 @@ page_update_max_trx_id( buf_block_t* block, /* in/out: page */ page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed part will be updated, or NULL */ - dulint trx_id);/* in: transaction id */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr); /* in/out: mini-transaction */ /***************************************************************** Reads the given header field. */ UNIV_INLINE @@ -937,7 +939,7 @@ UNIV_INTERN void page_header_print( /*==============*/ - const page_t* page); + const page_t* page); /* in: index page */ /******************************************************************* This is used to print the contents of the page for debugging purposes. */ diff --git a/include/page0page.ic b/include/page0page.ic index 133861e9d69..10127dc90e0 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -23,6 +23,9 @@ Created 2/2/1994 Heikki Tuuri *******************************************************/ #include "mach0data.h" +#ifdef UNIV_DEBUG +# include "log0recv.h" +#endif /* !UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP # include "rem0cmp.h" #endif /* !UNIV_HOTBACKUP */ @@ -59,7 +62,7 @@ page_offset( /***************************************************************** Returns the max trx id field value. */ UNIV_INLINE -dulint +trx_id_t page_get_max_trx_id( /*================*/ const page_t* page) /* in: page */ @@ -79,14 +82,24 @@ page_update_max_trx_id( buf_block_t* block, /* in/out: page */ page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed part will be updated, or NULL */ - dulint trx_id) /* in: transaction id */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in/out: mini-transaction */ { ut_ad(block); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + /* During crash recovery, this function may be called on + something else than a leaf page of a secondary index or the + insert buffer index tree (dict_index_is_sec_or_ibuf() returns + TRUE for the dummy indexes constructed during redo log + application). In that case, PAGE_MAX_TRX_ID is unused, + and trx_id is usually zero. */ + ut_ad(!ut_dulint_is_zero(trx_id) || recv_recovery_is_on()); + ut_ad(page_is_leaf(buf_block_get_frame(block))); if (ut_dulint_cmp(page_get_max_trx_id(buf_block_get_frame(block)), trx_id) < 0) { - page_set_max_trx_id(block, page_zip, trx_id); + page_set_max_trx_id(block, page_zip, trx_id, mtr); } } diff --git a/include/page0zip.h b/include/page0zip.h index f25a20fe678..50a9194c996 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -34,6 +34,7 @@ Created June 2005 by Marko Makela #include "page0types.h" #include "buf0types.h" #include "dict0types.h" +#include "trx0types.h" #include "mem0mem.h" /************************************************************************** @@ -286,8 +287,8 @@ page_zip_write_trx_id_and_roll_ptr( byte* rec, /* in/out: record */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ ulint trx_id_col,/* in: column number of TRX_ID in rec */ - dulint trx_id, /* in: transaction identifier */ - dulint roll_ptr)/* in: roll_ptr */ + trx_id_t trx_id, /* in: transaction identifier */ + roll_ptr_t roll_ptr)/* in: roll_ptr */ __attribute__((nonnull)); /************************************************************************** diff --git a/include/pars0pars.h b/include/pars0pars.h index e5693ee5575..35b6d88a785 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -368,12 +368,14 @@ UNIV_INTERN commit_node_t* pars_commit_statement(void); /*=======================*/ + /* out, own: commit node struct */ /************************************************************************* Parses a rollback statement. */ UNIV_INTERN roll_node_t* pars_rollback_statement(void); /*=========================*/ + /* out, own: rollback node struct */ /************************************************************************* Parses a column definition at a table creation. */ UNIV_INTERN @@ -700,7 +702,7 @@ struct for_node_struct{ definition */ que_node_t* loop_start_limit;/* initial value of loop variable */ que_node_t* loop_end_limit; /* end value of loop variable */ - int loop_end_value; /* evaluated value for the end value: + lint loop_end_value; /* evaluated value for the end value: it is calculated only when the loop is entered, and will not change within the loop */ diff --git a/include/que0que.h b/include/que0que.h index a534cb7e464..ee534d1b73a 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -410,7 +410,7 @@ struct que_fork_struct{ sym_tab_t* sym_tab; /* symbol table of the query, generated by the parser, or NULL if the graph was created 'by hand' */ - pars_info_t* info; /* in: info struct, or NULL */ + pars_info_t* info; /* info struct, or NULL */ /* The following cur_... fields are relevant only in a select graph */ ulint cur_end; /* QUE_CUR_NOT_DEFINED, QUE_CUR_START, diff --git a/include/read0read.h b/include/read0read.h index db9f86454e0..778d85382c4 100644 --- a/include/read0read.h +++ b/include/read0read.h @@ -41,9 +41,9 @@ read_view_t* read_view_open_now( /*===============*/ /* out, own: read view struct */ - dulint cr_trx_id, /* in: trx_id of creating - transaction, or (0, 0) used in - purge */ + trx_id_t cr_trx_id, /* in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ mem_heap_t* heap); /* in: memory heap from which allocated */ /************************************************************************* @@ -54,9 +54,9 @@ read_view_t* read_view_oldest_copy_or_open_new( /*==============================*/ /* out, own: read view struct */ - dulint cr_trx_id, /* in: trx_id of creating - transaction, or (0, 0) used in - purge */ + trx_id_t cr_trx_id, /* in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ mem_heap_t* heap); /* in: memory heap from which allocated */ /************************************************************************* @@ -80,16 +80,16 @@ UNIV_INLINE ibool read_view_sees_trx_id( /*==================*/ - /* out: TRUE if sees */ - read_view_t* view, /* in: read view */ - dulint trx_id);/* in: trx id */ + /* out: TRUE if sees */ + const read_view_t* view, /* in: read view */ + trx_id_t trx_id);/* in: trx id */ /************************************************************************* Prints a read view to stderr. */ UNIV_INTERN void read_view_print( /*============*/ - read_view_t* view); /* in: read view */ + const read_view_t* view); /* in: read view */ /************************************************************************* Create a consistent cursor view for mysql to be used in cursors. In this consistent read view modifications done by the creating transaction or future @@ -123,24 +123,29 @@ read_cursor_set_for_mysql( read should not see the modifications to the database. */ struct read_view_struct{ - ulint type; /* VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ - dulint undo_no; /* (0, 0) or if type is VIEW_HIGH_GRANULARITY + ulint type; /* VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ + undo_no_t undo_no;/* ut_dulint_zero or if type is + VIEW_HIGH_GRANULARITY transaction undo_no when this high-granularity consistent read view was created */ - dulint low_limit_no; /* The view does not need to see the undo + trx_id_t low_limit_no; + /* The view does not need to see the undo logs for transactions whose transaction number is strictly smaller (<) than this value: they can be removed in purge if not needed by other views */ - dulint low_limit_id; /* The read should not see any transaction + trx_id_t low_limit_id; + /* The read should not see any transaction with trx id >= this value. In other words, this is the "high water mark". */ - dulint up_limit_id; /* The read should see all trx ids which + trx_id_t up_limit_id; + /* The read should see all trx ids which are strictly smaller (<) than this value. In other words, this is the "low water mark". */ - ulint n_trx_ids; /* Number of cells in the trx_ids array */ - dulint* trx_ids; /* Additional trx ids which the read should + ulint n_trx_ids; + /* Number of cells in the trx_ids array */ + trx_id_t* trx_ids;/* Additional trx ids which the read should not see: typically, these are the active transactions at the time when the read is serialized, except the reading transaction @@ -148,8 +153,9 @@ struct read_view_struct{ descending order. These trx_ids should be between the "low" and "high" water marks, that is, up_limit_id and low_limit_id. */ - dulint creator_trx_id; /* trx id of creating transaction, or - (0, 0) used in purge */ + trx_id_t creator_trx_id; + /* trx id of creating transaction, or + ut_dulint_zero used in purge */ UT_LIST_NODE_T(read_view_t) view_list; /* List of read views in trx_sys */ }; diff --git a/include/read0read.ic b/include/read0read.ic index 9fc6af04e88..4fa3ec840d0 100644 --- a/include/read0read.ic +++ b/include/read0read.ic @@ -25,12 +25,12 @@ Created 2/16/1997 Heikki Tuuri /************************************************************************* Gets the nth trx id in a read view. */ UNIV_INLINE -dulint +trx_id_t read_view_get_nth_trx_id( /*=====================*/ - /* out: trx id */ - read_view_t* view, /* in: read view */ - ulint n) /* in: position */ + /* out: trx id */ + const read_view_t* view, /* in: read view */ + ulint n) /* in: position */ { ut_ad(n < view->n_trx_ids); @@ -45,7 +45,7 @@ read_view_set_nth_trx_id( /*=====================*/ read_view_t* view, /* in: read view */ ulint n, /* in: position */ - dulint trx_id) /* in: trx id to set */ + trx_id_t trx_id) /* in: trx id to set */ { ut_ad(n < view->n_trx_ids); @@ -58,9 +58,9 @@ UNIV_INLINE ibool read_view_sees_trx_id( /*==================*/ - /* out: TRUE if sees */ - read_view_t* view, /* in: read view */ - dulint trx_id) /* in: trx id */ + /* out: TRUE if sees */ + const read_view_t* view, /* in: read view */ + trx_id_t trx_id) /* in: trx id */ { ulint n_ids; int cmp; diff --git a/include/rem0rec.h b/include/rem0rec.h index 8e3176d36db..73f45fb7087 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -163,7 +163,6 @@ UNIV_INLINE void rec_set_n_owned_old( /*================*/ - /* out: TRUE on success */ rec_t* rec, /* in: old-style physical record */ ulint n_owned); /* in: the number of owned */ /********************************************************** diff --git a/include/rem0rec.ic b/include/rem0rec.ic index bbfb4dc4385..373f92440e4 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -540,7 +540,6 @@ UNIV_INLINE void rec_set_n_owned_old( /*================*/ - /* out: TRUE on success */ rec_t* rec, /* in: old-style physical record */ ulint n_owned) /* in: the number of owned */ { @@ -1577,7 +1576,7 @@ rec_get_converted_size( dtuple->n_fields, NULL)); } - data_size = dtuple_get_data_size(dtuple); + data_size = dtuple_get_data_size(dtuple, 0); extra_size = rec_get_converted_extra_size( data_size, dtuple_get_n_fields(dtuple), n_ext); diff --git a/include/row0ins.h b/include/row0ins.h index 6aa83bed0f6..135de22fe1d 100644 --- a/include/row0ins.h +++ b/include/row0ins.h @@ -125,7 +125,7 @@ struct ins_node_struct{ UT_LIST_BASE_NODE_T(dtuple_t) entry_list;/* list of entries, one for each index */ byte* row_id_buf;/* buffer for the row id sys field in row */ - dulint trx_id; /* trx id or the last trx which executed the + trx_id_t trx_id; /* trx id or the last trx which executed the node */ byte* trx_id_buf;/* buffer for the trx id sys field in row */ mem_heap_t* entry_sys_heap; diff --git a/include/row0merge.h b/include/row0merge.h index 31ef4cc9792..d25a2c152ea 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -148,10 +148,10 @@ dict_index_t* row_merge_create_index( /*===================*/ /* out: index, or NULL on error */ - trx_t* trx, /* in/out: trx (sets error_state) */ - dict_table_t* table, /* in: the index is on this table */ - const merge_index_def_t* /* in: the index definition */ - index_def); + trx_t* trx, /* in/out: trx (sets error_state) */ + dict_table_t* table, /* in: the index is on this table */ + const merge_index_def_t*index_def); + /* in: the index definition */ /************************************************************************* Check if a transaction can use an index. */ UNIV_INTERN diff --git a/include/row0mysql.h b/include/row0mysql.h index ae0b181d68f..63c169836df 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -174,9 +174,8 @@ UNIV_INTERN void row_update_prebuilt_trx( /*====================*/ - /* out: prebuilt dtuple */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in MySQL - handle */ + row_prebuilt_t* prebuilt, /* in/out: prebuilt struct + in MySQL handle */ trx_t* trx); /* in: transaction handle */ /************************************************************************* Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ @@ -250,7 +249,9 @@ UNIV_INTERN ibool row_table_got_default_clust_index( /*==============================*/ - const dict_table_t* table); + /* out: TRUE if the clustered index + was generated automatically */ + const dict_table_t* table); /* in: table */ /************************************************************************* Calculates the key number used inside MySQL for an Innobase index. We have to take into account if we generated a default clustered index for the table */ @@ -258,7 +259,9 @@ UNIV_INTERN ulint row_get_mysql_key_number_for_index( /*===============================*/ - const dict_index_t* index); + /* out: the key number used + inside MySQL */ + const dict_index_t* index); /* in: index */ /************************************************************************* Does an update or delete of a row for MySQL. */ UNIV_INTERN diff --git a/include/row0purge.h b/include/row0purge.h index f848e049ff4..bee9d2231d7 100644 --- a/include/row0purge.h +++ b/include/row0purge.h @@ -82,11 +82,11 @@ struct purge_node_struct{ que_common_t common; /* node type: QUE_NODE_PURGE */ /*----------------------*/ /* Local storage for this graph node */ - dulint roll_ptr;/* roll pointer to undo log record */ + roll_ptr_t roll_ptr;/* roll pointer to undo log record */ trx_undo_rec_t* undo_rec;/* undo log record */ trx_undo_inf_t* reservation;/* reservation for the undo log record in the purge array */ - dulint undo_no;/* undo number of the record */ + undo_no_t undo_no;/* undo number of the record */ ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, ... */ btr_pcur_t pcur; /* persistent cursor used in searching the diff --git a/include/row0row.h b/include/row0row.h index 78da5da6c8f..c1058ef21a8 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -50,7 +50,7 @@ row_get_trx_id_offset( /************************************************************************* Reads the trx id field from a clustered index record. */ UNIV_INLINE -dulint +trx_id_t row_get_rec_trx_id( /*===============*/ /* out: value of the field */ @@ -60,7 +60,7 @@ row_get_rec_trx_id( /************************************************************************* Reads the roll pointer field from a clustered index record. */ UNIV_INLINE -dulint +roll_ptr_t row_get_rec_roll_ptr( /*=================*/ /* out: value of the field */ diff --git a/include/row0row.ic b/include/row0row.ic index 9947dd43257..d81eeac84d7 100644 --- a/include/row0row.ic +++ b/include/row0row.ic @@ -29,7 +29,7 @@ Created 4/20/1996 Heikki Tuuri /************************************************************************* Reads the trx id field from a clustered index record. */ UNIV_INLINE -dulint +trx_id_t row_get_rec_trx_id( /*===============*/ /* out: value of the field */ @@ -54,7 +54,7 @@ row_get_rec_trx_id( /************************************************************************* Reads the roll pointer field from a clustered index record. */ UNIV_INLINE -dulint +roll_ptr_t row_get_rec_roll_ptr( /*=================*/ /* out: value of the field */ diff --git a/include/row0sel.h b/include/row0sel.h index 2f8574d0691..4c839764410 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -67,8 +67,9 @@ UNIV_INLINE plan_t* sel_node_get_nth_plan( /*==================*/ - sel_node_t* node, - ulint i); + /* out: plan node */ + sel_node_t* node, /* in: select node */ + ulint i); /* in: get ith plan node */ /************************************************************************** Performs a select step. This is a high-level function used in SQL execution graphs. */ diff --git a/include/row0undo.h b/include/row0undo.h index a17cfb1babd..a7ac811854f 100644 --- a/include/row0undo.h +++ b/include/row0undo.h @@ -89,14 +89,14 @@ struct undo_node_struct{ que_common_t common; /* node type: QUE_NODE_UNDO */ ulint state; /* node execution state */ trx_t* trx; /* trx for which undo is done */ - dulint roll_ptr;/* roll pointer to undo log record */ + roll_ptr_t roll_ptr;/* roll pointer to undo log record */ trx_undo_rec_t* undo_rec;/* undo log record */ - dulint undo_no;/* undo number of the record */ + undo_no_t undo_no;/* undo number of the record */ ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, ... */ - dulint new_roll_ptr; /* roll ptr to restore to clustered index + roll_ptr_t new_roll_ptr; /* roll ptr to restore to clustered index record */ - dulint new_trx_id; /* trx id to restore to clustered index + trx_id_t new_trx_id; /* trx id to restore to clustered index record */ btr_pcur_t pcur; /* persistent cursor used in searching the clustered index record */ diff --git a/include/row0upd.h b/include/row0upd.h index 9bc18c2a17d..004a5c9b9ac 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -101,7 +101,7 @@ row_upd_write_sys_vals_to_log( /* out: new pointer to mlog */ dict_index_t* index, /* in: clustered index */ trx_t* trx, /* in: transaction */ - dulint roll_ptr,/* in: roll ptr of the undo log record */ + roll_ptr_t roll_ptr,/* in: roll ptr of the undo log record */ byte* log_ptr,/* pointer to a buffer of size > 20 opened in mlog */ mtr_t* mtr); /* in: mtr */ @@ -118,7 +118,7 @@ row_upd_rec_sys_fields( dict_index_t* index, /* in: clustered index */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ trx_t* trx, /* in: transaction */ - dulint roll_ptr);/* in: roll ptr of the undo log record */ + roll_ptr_t roll_ptr);/* in: roll ptr of the undo log record */ /************************************************************************* Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN @@ -320,12 +320,12 @@ UNIV_INTERN byte* row_upd_parse_sys_vals( /*===================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint* pos, /* out: TRX_ID position in record */ - dulint* trx_id, /* out: trx id */ - dulint* roll_ptr);/* out: roll ptr */ + /* out: log data end or NULL */ + byte* ptr, /* in: buffer */ + byte* end_ptr,/* in: buffer end */ + ulint* pos, /* out: TRX_ID position in record */ + trx_id_t* trx_id, /* out: trx id */ + roll_ptr_t* roll_ptr);/* out: roll ptr */ /************************************************************************* Updates the trx id and roll ptr field in a clustered index record in database recovery. */ @@ -337,8 +337,8 @@ row_upd_rec_sys_fields_in_recovery( page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ const ulint* offsets,/* in: array returned by rec_get_offsets() */ ulint pos, /* in: TRX_ID position in rec */ - dulint trx_id, /* in: transaction id */ - dulint roll_ptr);/* in: roll ptr of the undo log record */ + trx_id_t trx_id, /* in: transaction id */ + roll_ptr_t roll_ptr);/* in: roll ptr of the undo log record */ /************************************************************************* Parses the log data written by row_upd_index_write_log. */ UNIV_INTERN diff --git a/include/row0upd.ic b/include/row0upd.ic index 10c8077af8a..550a7f8efb2 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -152,7 +152,7 @@ row_upd_rec_sys_fields( dict_index_t* index, /* in: clustered index */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ trx_t* trx, /* in: transaction */ - dulint roll_ptr)/* in: roll ptr of the undo log record */ + roll_ptr_t roll_ptr)/* in: roll ptr of the undo log record */ { ut_ad(dict_index_is_clust(index)); ut_ad(rec_offs_validate(rec, index, offsets)); diff --git a/include/row0vers.h b/include/row0vers.h index 0feae77e8b5..cfe021581a0 100644 --- a/include/row0vers.h +++ b/include/row0vers.h @@ -55,10 +55,12 @@ UNIV_INTERN ibool row_vers_must_preserve_del_marked( /*==============================*/ - /* out: TRUE if earlier version should be preserved */ - dulint trx_id, /* in: transaction id in the version */ - mtr_t* mtr); /* in: mtr holding the latch on the clustered index - record; it will also hold the latch on purge_view */ + /* out: TRUE if earlier version should + be preserved */ + trx_id_t trx_id, /* in: transaction id in the version */ + mtr_t* mtr); /* in: mtr holding the latch on the + clustered index record; it will also + hold the latch on purge_view */ /********************************************************************* Finds out if a version of the record, where the version >= the current purge view, should have ientry as its secondary index entry. We check diff --git a/include/srv0srv.h b/include/srv0srv.h index c79fe72760c..247070b9572 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -144,7 +144,6 @@ extern ulint srv_max_dirty_pages_pct; extern ulint srv_force_recovery; extern ulong srv_thread_concurrency; -extern ulong srv_commit_concurrency; extern ulint srv_max_n_threads; @@ -376,6 +375,7 @@ UNIV_INTERN ulint srv_get_n_threads(void); /*===================*/ + /* out: sum of srv_n_threads[] */ /************************************************************************* Returns the calling thread type. */ @@ -523,7 +523,7 @@ Function to pass InnoDB status variables to MySQL */ UNIV_INTERN void srv_export_innodb_status(void); -/*=====================*/ +/*==========================*/ /* Thread slot in the thread table */ typedef struct srv_slot_struct srv_slot_t; diff --git a/include/sync0rw.h b/include/sync0rw.h index a32b628ee03..b49daf4e289 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -141,7 +141,8 @@ UNIV_INTERN ibool rw_lock_validate( /*=============*/ - rw_lock_t* lock); + /* out: TRUE */ + rw_lock_t* lock); /* in: rw-lock */ #endif /* UNIV_DEBUG */ /****************************************************************** NOTE! The following macros should be used in rw s-locking, not the @@ -209,28 +210,21 @@ UNIV_INLINE void rw_lock_s_unlock_func( /*==================*/ - rw_lock_t* lock /* in: rw-lock */ #ifdef UNIV_SYNC_DEBUG - ,ulint pass /* in: pass value; != 0, if the lock may have + ulint pass, /* in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - ); -/*********************************************************************** -Releases a shared mode lock. */ + rw_lock_t* lock); /* in/out: rw-lock */ #ifdef UNIV_SYNC_DEBUG -#define rw_lock_s_unlock(L) rw_lock_s_unlock_func(L, 0) +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) #else -#define rw_lock_s_unlock(L) rw_lock_s_unlock_func(L) +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) #endif /*********************************************************************** Releases a shared mode lock. */ +#define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) -#ifdef UNIV_SYNC_DEBUG -#define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L, P) -#else -#define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) -#endif /****************************************************************** NOTE! The following macro should be used in rw x-locking, not the corresponding function. */ @@ -273,28 +267,21 @@ UNIV_INLINE void rw_lock_x_unlock_func( /*==================*/ - rw_lock_t* lock /* in: rw-lock */ #ifdef UNIV_SYNC_DEBUG - ,ulint pass /* in: pass value; != 0, if the lock may have + ulint pass, /* in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - ); -/*********************************************************************** -Releases an exclusive mode lock. */ + rw_lock_t* lock); /* in/out: rw-lock */ #ifdef UNIV_SYNC_DEBUG -#define rw_lock_x_unlock(L) rw_lock_x_unlock_func(L, 0) +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) #else -#define rw_lock_x_unlock(L) rw_lock_x_unlock_func(L) +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) #endif /*********************************************************************** Releases an exclusive mode lock. */ +#define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) -#ifdef UNIV_SYNC_DEBUG -#define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L, P) -#else -#define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) -#endif /********************************************************************** Low-level function which locks an rw-lock in s-mode when we know that it is possible and none else is currently accessing the rw-lock structure. @@ -303,10 +290,9 @@ UNIV_INLINE void rw_lock_s_lock_direct( /*==================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /* in/out: rw-lock */ const char* file_name, /* in: file name where requested */ - ulint line /* in: line where lock requested */ -); + ulint line); /* in: line where lock requested */ /********************************************************************** Low-level function which locks an rw-lock in x-mode when we know that it is not locked and none else is currently accessing the rw-lock structure. @@ -315,10 +301,9 @@ UNIV_INLINE void rw_lock_x_lock_direct( /*==================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /* in/out: rw-lock */ const char* file_name, /* in: file name where requested */ - ulint line /* in: line where lock requested */ -); + ulint line); /* in: line where lock requested */ /********************************************************************** This function is used in the insert buffer to move the ownership of an x-latch on a buffer frame to the current thread. The x-latch was set by @@ -340,7 +325,7 @@ UNIV_INLINE void rw_lock_s_unlock_direct( /*====================*/ - rw_lock_t* lock); /* in: rw-lock */ + rw_lock_t* lock); /* in/out: rw-lock */ /********************************************************************** Releases an exclusive mode lock when we know there are no waiters, and none else will access the lock durint the time this function is executed. */ @@ -348,7 +333,7 @@ UNIV_INLINE void rw_lock_x_unlock_direct( /*====================*/ - rw_lock_t* lock); /* in: rw-lock */ + rw_lock_t* lock); /* in/out: rw-lock */ /********************************************************************** Returns the value of writer_count for the lock. Does not reserve the lock mutex, so the caller must be sure it is not changed during the call. */ @@ -356,25 +341,34 @@ UNIV_INLINE ulint rw_lock_get_x_lock_count( /*=====================*/ - /* out: value of writer_count */ - rw_lock_t* lock); /* in: rw-lock */ + /* out: value of writer_count */ + const rw_lock_t* lock); /* in: rw-lock */ /************************************************************************ -Accessor functions for rw lock. */ +Check if there are threads waiting for the rw-lock. */ UNIV_INLINE ulint rw_lock_get_waiters( /*================*/ - rw_lock_t* lock); + /* out: 1 if waiters, 0 otherwise */ + const rw_lock_t* lock); /* in: rw-lock */ +/********************************************************************** +Returns the write-status of the lock - this function made more sense +with the old rw_lock implementation. */ UNIV_INLINE ulint rw_lock_get_writer( /*===============*/ - rw_lock_t* lock); + /* out: RW_LOCK_NOT_LOCKED, + RW_LOCK_EX, RW_LOCK_WAIT_EX */ + const rw_lock_t* lock); /* in: rw-lock */ +/********************************************************************** +Returns the number of readers. */ UNIV_INLINE ulint rw_lock_get_reader_count( /*=====================*/ - rw_lock_t* lock); + /* out: number of readers */ + const rw_lock_t* lock); /* in: rw-lock */ /********************************************************************** Decrements lock_word the specified amount if it is greater than 0. This is used by both s_lock and x_lock operations. */ @@ -383,7 +377,7 @@ ibool rw_lock_lock_word_decr( /*===================*/ /* out: TRUE if decr occurs */ - rw_lock_t* lock, /* in: rw-lock */ + rw_lock_t* lock, /* in/out: rw-lock */ ulint amount); /* in: amount to decrement */ /********************************************************************** Increments lock_word the specified amount and returns new value. */ @@ -391,9 +385,10 @@ UNIV_INLINE lint rw_lock_lock_word_incr( /*===================*/ - /* out: TRUE if decr occurs */ - rw_lock_t* lock, - ulint amount); /* in: rw-lock */ + /* out: lock->lock_word after + increment */ + rw_lock_t* lock, /* in/out: rw-lock */ + ulint amount); /* in: amount to increment */ /********************************************************************** This function sets the lock->writer_thread and lock->recursive fields. For platforms where we are using atomic builtins instead of lock->mutex @@ -453,6 +448,7 @@ UNIV_INTERN ulint rw_lock_n_locked(void); /*==================*/ + /* out: number of locked rw-locks */ /*#####################################################################*/ diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 9e7e4dc9bd8..4d0e0fec0c2 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -67,13 +67,13 @@ rw_lock_remove_debug_info( #endif /* UNIV_SYNC_DEBUG */ /************************************************************************ -Accessor functions for rw lock. */ +Check if there are threads waiting for the rw-lock. */ UNIV_INLINE ulint rw_lock_get_waiters( /*================*/ - /* out: 1 if waiters, 0 otherwise */ - rw_lock_t* lock) /* in: rw-lock */ + /* out: 1 if waiters, 0 otherwise */ + const rw_lock_t* lock) /* in: rw-lock */ { return(lock->waiters); } @@ -86,10 +86,10 @@ UNIV_INLINE void rw_lock_set_waiter_flag( /*====================*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /* in/out: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap(&lock->waiters, 0, 1); + os_compare_and_swap_ulint(&lock->waiters, 0, 1); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ lock->waiters = 1; #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ @@ -103,10 +103,10 @@ UNIV_INLINE void rw_lock_reset_waiter_flag( /*======================*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /* in/out: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap(&lock->waiters, 1, 0); + os_compare_and_swap_ulint(&lock->waiters, 1, 0); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ lock->waiters = 0; #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ @@ -119,10 +119,12 @@ UNIV_INLINE ulint rw_lock_get_writer( /*===============*/ - rw_lock_t* lock) + /* out: RW_LOCK_NOT_LOCKED, + RW_LOCK_EX, RW_LOCK_WAIT_EX */ + const rw_lock_t* lock) /* in: rw-lock */ { lint lock_word = lock->lock_word; - if(lock_word > 0) { + if (lock_word > 0) { /* return NOT_LOCKED in s-lock state, like the writer member of the old lock implementation. */ return(RW_LOCK_NOT_LOCKED); @@ -135,15 +137,16 @@ rw_lock_get_writer( } /********************************************************************** -Returns number of readers. */ +Returns the number of readers. */ UNIV_INLINE ulint rw_lock_get_reader_count( /*=====================*/ - rw_lock_t* lock) + /* out: number of readers */ + const rw_lock_t* lock) /* in: rw-lock */ { lint lock_word = lock->lock_word; - if(lock_word > 0) { + if (lock_word > 0) { /* s-locked, no x-waiters */ return(X_LOCK_DECR - lock_word); } else if (lock_word < 0 && lock_word > -X_LOCK_DECR) { @@ -171,12 +174,12 @@ UNIV_INLINE ulint rw_lock_get_x_lock_count( /*=====================*/ - /* out: value of writer_count */ - rw_lock_t* lock) /* in: rw-lock */ + /* out: value of writer_count */ + const rw_lock_t* lock) /* in: rw-lock */ { lint lock_copy = lock->lock_word; /* If there is a reader, lock_word is not divisible by X_LOCK_DECR */ - if(lock_copy > 0 || (-lock_copy) % X_LOCK_DECR != 0) { + if (lock_copy > 0 || (-lock_copy) % X_LOCK_DECR != 0) { return(0); } return(((-lock_copy) / X_LOCK_DECR) + 1); @@ -192,57 +195,47 @@ UNIV_INLINE ibool rw_lock_lock_word_decr( /*===================*/ - /* out: TRUE if decr occurs */ - rw_lock_t* lock, /* in: rw-lock */ - ulint amount) /* in: amount of decrement */ + /* out: TRUE if decr occurs */ + rw_lock_t* lock, /* in/out: rw-lock */ + ulint amount) /* in: amount to decrement */ { - #ifdef INNODB_RW_LOCKS_USE_ATOMICS - lint local_lock_word = lock->lock_word; while (local_lock_word > 0) { - if(os_compare_and_swap(&(lock->lock_word), - local_lock_word, - local_lock_word - amount)) { + if (os_compare_and_swap_lint(&lock->lock_word, + local_lock_word, + local_lock_word - amount)) { return(TRUE); } local_lock_word = lock->lock_word; } return(FALSE); - #else /* INNODB_RW_LOCKS_USE_ATOMICS */ - ibool success = FALSE; mutex_enter(&(lock->mutex)); - if(lock->lock_word > 0) { + if (lock->lock_word > 0) { lock->lock_word -= amount; success = TRUE; } mutex_exit(&(lock->mutex)); return(success); - #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } /********************************************************************** -Two different implementations for incrementing the lock_word of a rw_lock: -one for systems supporting atomic operations, one for others. -Returns the value of lock_word after increment. */ +Increments lock_word the specified amount and returns new value. */ UNIV_INLINE lint rw_lock_lock_word_incr( /*===================*/ - /* out: lock->lock_word after increment */ - rw_lock_t* lock, /* in: rw-lock */ - ulint amount) /* in: amount of increment */ + /* out: lock->lock_word after + increment */ + rw_lock_t* lock, /* in/out: rw-lock */ + ulint amount) /* in: amount of increment */ { - #ifdef INNODB_RW_LOCKS_USE_ATOMICS - - return(os_atomic_increment(&(lock->lock_word), amount)); - + return(os_atomic_increment_lint(&lock->lock_word, amount)); #else /* INNODB_RW_LOCKS_USE_ATOMICS */ - lint local_lock_word; mutex_enter(&(lock->mutex)); @@ -253,7 +246,6 @@ rw_lock_lock_word_incr( mutex_exit(&(lock->mutex)); return(local_lock_word); - #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } @@ -287,8 +279,8 @@ rw_lock_set_writer_id_and_recursion_flag( UNIV_MEM_VALID(&lock->writer_thread, sizeof lock->writer_thread); local_thread = lock->writer_thread; - success = os_compare_and_swap(&lock->writer_thread, - local_thread, curr_thread); + success = os_compare_and_swap_thread_id( + &lock->writer_thread, local_thread, curr_thread); ut_a(success); lock->recursive = recursive; @@ -342,7 +334,7 @@ UNIV_INLINE void rw_lock_s_lock_direct( /*==================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /* in/out: rw-lock */ const char* file_name, /* in: file name where requested */ ulint line) /* in: line where lock requested */ { @@ -367,7 +359,7 @@ UNIV_INLINE void rw_lock_x_lock_direct( /*==================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /* in/out: rw-lock */ const char* file_name, /* in: file name where requested */ ulint line) /* in: line where lock requested */ { @@ -448,7 +440,7 @@ rw_lock_x_lock_func_nowait( ibool success; #ifdef INNODB_RW_LOCKS_USE_ATOMICS - success = os_compare_and_swap(&(lock->lock_word), X_LOCK_DECR, 0); + success = os_compare_and_swap_lint(&lock->lock_word, X_LOCK_DECR, 0); #else success = FALSE; @@ -494,12 +486,11 @@ UNIV_INLINE void rw_lock_s_unlock_func( /*==================*/ - rw_lock_t* lock /* in: rw-lock */ #ifdef UNIV_SYNC_DEBUG - ,ulint pass /* in: pass value; != 0, if the lock may have + ulint pass, /* in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - ) + rw_lock_t* lock) /* in/out: rw-lock */ { ut_ad((lock->lock_word % X_LOCK_DECR) != 0); @@ -532,7 +523,7 @@ UNIV_INLINE void rw_lock_s_unlock_direct( /*====================*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /* in/out: rw-lock */ { ut_ad(lock->lock_word < X_LOCK_DECR); @@ -556,12 +547,11 @@ UNIV_INLINE void rw_lock_x_unlock_func( /*==================*/ - rw_lock_t* lock /* in: rw-lock */ #ifdef UNIV_SYNC_DEBUG - ,ulint pass /* in: pass value; != 0, if the lock may have + ulint pass, /* in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - ) + rw_lock_t* lock) /* in/out: rw-lock */ { ut_ad((lock->lock_word % X_LOCK_DECR) == 0); @@ -607,7 +597,7 @@ UNIV_INLINE void rw_lock_x_unlock_direct( /*====================*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /* in/out: rw-lock */ { /* Reset the exclusive lock if this thread no longer has an x-mode lock */ diff --git a/include/sync0sync.h b/include/sync0sync.h index bd9e26201e1..5f08d44b96d 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -42,6 +42,13 @@ Created 9/5/1995 Heikki Tuuri extern my_bool timed_mutexes; +#ifdef HAVE_WINDOWS_ATOMICS +typedef LONG lock_word_t; /* On Windows, InterlockedExchange operates + on LONG variable */ +#else +typedef byte lock_word_t; +#endif + /********************************************************************** Initializes the synchronization data structures. */ UNIV_INTERN @@ -153,6 +160,7 @@ void mutex_exit( /*=======*/ mutex_t* mutex); /* in: pointer to mutex */ +#ifdef UNIV_SYNC_DEBUG /********************************************************************** Returns TRUE if no mutex or rw-lock is currently locked. Works only in the debug version. */ @@ -160,6 +168,8 @@ UNIV_INTERN ibool sync_all_freed(void); /*================*/ + /* out: TRUE if no mutexes and rw-locks reserved */ +#endif /* UNIV_SYNC_DEBUG */ /*##################################################################### FUNCTION PROTOTYPES FOR DEBUGGING */ /*********************************************************************** @@ -183,7 +193,8 @@ UNIV_INTERN ibool mutex_validate( /*===========*/ - const mutex_t* mutex); + /* out: TRUE */ + const mutex_t* mutex); /* in: mutex */ /********************************************************************** Checks that the current thread owns the mutex. Works only in the debug version. */ @@ -253,12 +264,13 @@ UNIV_INTERN ulint mutex_n_reserved(void); /*==================*/ + /* out: number of reserved mutexes */ #endif /* UNIV_SYNC_DEBUG */ /********************************************************************** NOT to be used outside this module except in debugging! Gets the value of the lock word. */ UNIV_INLINE -byte +lock_word_t mutex_get_lock_word( /*================*/ const mutex_t* mutex); /* in: mutex */ @@ -484,15 +496,14 @@ implementation of a mutual exclusion semaphore. */ struct mutex_struct { os_event_t event; /* Used by sync0arr.c for the wait queue */ - byte lock_word; /* This byte is the target of the atomic - test-and-set instruction in Win32 and - x86 32/64 with GCC 4.1.0 or later version */ -#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) -#else + volatile lock_word_t lock_word; /* lock_word is the target + of the atomic test-and-set instruction when + atomic operations are enabled. */ + +#if !defined(HAVE_ATOMIC_BUILTINS) os_fast_mutex_t - os_fast_mutex; /* In other systems we use this OS mutex - in place of lock_word */ + os_fast_mutex; /* We use this OS mutex in place of lock_word + when atomic operations are not enabled */ #endif ulint waiters; /* This ulint is set to 1 if there are (or may be) threads waiting in the global wait diff --git a/include/sync0sync.ic b/include/sync0sync.ic index c4b364fde5f..8a446a7e7ea 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -79,40 +79,8 @@ mutex_test_and_set( 1 */ mutex_t* mutex) /* in: mutex */ { -#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) - byte res; - byte* lw; /* assembler code is used to ensure that - lock_word is loaded from memory */ - ut_ad(mutex); - ut_ad(sizeof(byte) == 1); - - lw = &(mutex->lock_word); - - __asm MOV ECX, lw - __asm MOV EDX, 1 - __asm XCHG DL, BYTE PTR [ECX] - __asm MOV res, DL - - /* The fence below would prevent this thread from - reading the data structure protected by the mutex - before the test-and-set operation is committed, but - the fence is apparently not needed: - - In a posting to comp.arch newsgroup (August 10, 1997) - Andy Glew said that in P6 a LOCKed instruction like - XCHG establishes a fence with respect to memory reads - and writes and thus an explicit fence is not - needed. In P5 he seemed to agree with a previous - newsgroup poster that LOCKed instructions serialize - all instruction execution, and, consequently, also - memory operations. This is confirmed in Intel Software - Dev. Manual, Vol. 3. */ - - /* mutex_fence(); */ - - return(res); -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) - return __sync_lock_test_and_set(&(mutex->lock_word), 1); +#if defined(HAVE_ATOMIC_BUILTINS) + return(os_atomic_test_and_set_byte(&mutex->lock_word, 1)); #else ibool ret; @@ -139,21 +107,11 @@ mutex_reset_lock_word( /*==================*/ mutex_t* mutex) /* in: mutex */ { -#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) - byte* lw; /* assembler code is used to ensure that - lock_word is loaded from memory */ - ut_ad(mutex); - - lw = &(mutex->lock_word); - - __asm MOV EDX, 0 - __asm MOV ECX, lw - __asm XCHG DL, BYTE PTR [ECX] -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) +#if defined(HAVE_ATOMIC_BUILTINS) /* In theory __sync_lock_release should be used to release the lock. Unfortunately, it does not work properly alone. The workaround is that more conservative __sync_lock_test_and_set is used instead. */ - __sync_lock_test_and_set(&(mutex->lock_word), 0); + os_atomic_test_and_set_byte(&mutex->lock_word, 0); #else mutex->lock_word = 0; @@ -164,18 +122,14 @@ mutex_reset_lock_word( /********************************************************************** Gets the value of the lock word. */ UNIV_INLINE -byte +lock_word_t mutex_get_lock_word( /*================*/ const mutex_t* mutex) /* in: mutex */ { - const volatile byte* ptr; /* declared volatile to ensure that - lock_word is loaded from memory */ ut_ad(mutex); - ptr = &(mutex->lock_word); - - return(*ptr); + return(mutex->lock_word); } /********************************************************************** diff --git a/include/trx0purge.h b/include/trx0purge.h index 4921b860485..92342d51af7 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -58,10 +58,11 @@ UNIV_INTERN ibool trx_purge_update_undo_must_exist( /*=============================*/ - /* out: TRUE if is sure that it is preserved, also - if the function returns FALSE, it is possible that - the undo log still exists in the system */ - dulint trx_id);/* in: transaction id */ + /* out: TRUE if is sure that it is + preserved, also if the function + returns FALSE, it is possible that the + undo log still exists in the system */ + trx_id_t trx_id);/* in: transaction id */ /************************************************************************ Creates the global purge system control structure and inits the history mutex. */ @@ -91,7 +92,7 @@ trx_purge_fetch_next_rec( pointer to the dummy undo log record &trx_purge_dummy_rec if the whole undo log can skipped in purge; NULL if none left */ - dulint* roll_ptr,/* out: roll pointer to undo record */ + roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ trx_undo_inf_t** cell, /* out: storage cell for the record in the purge array */ mem_heap_t* heap); /* in: memory heap where copied */ @@ -144,10 +145,10 @@ struct trx_purge_struct{ /* The following two fields form the 'purge pointer' which advances during a purge, and which is used in history list truncation */ - dulint purge_trx_no; /* Purge has advanced past all + trx_id_t purge_trx_no; /* Purge has advanced past all transactions whose number is less than this */ - dulint purge_undo_no; /* Purge has advanced past all records + undo_no_t purge_undo_no; /* Purge has advanced past all records whose undo number is less than this */ /*-----------------------------*/ ibool next_stored; /* TRUE if the info of the next record diff --git a/include/trx0rec.h b/include/trx0rec.h index aa734a1680c..c2a2e4a4de2 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -51,42 +51,46 @@ UNIV_INLINE ulint trx_undo_rec_get_type( /*==================*/ - /* out: record type */ - trx_undo_rec_t* undo_rec); /* in: undo log record */ + /* out: record type */ + const trx_undo_rec_t* undo_rec); /* in: undo log record */ /************************************************************************** Reads from an undo log record the record compiler info. */ UNIV_INLINE ulint trx_undo_rec_get_cmpl_info( /*=======================*/ - /* out: compiler info */ - trx_undo_rec_t* undo_rec); /* in: undo log record */ + /* out: compiler info */ + const trx_undo_rec_t* undo_rec); /* in: undo log record */ /************************************************************************** Returns TRUE if an undo log record contains an extern storage field. */ UNIV_INLINE ibool trx_undo_rec_get_extern_storage( /*============================*/ - /* out: TRUE if extern */ - trx_undo_rec_t* undo_rec); /* in: undo log record */ + /* out: TRUE if extern */ + const trx_undo_rec_t* undo_rec); /* in: undo log record */ /************************************************************************** Reads the undo log record number. */ UNIV_INLINE -dulint +undo_no_t trx_undo_rec_get_undo_no( /*=====================*/ - /* out: undo no */ - trx_undo_rec_t* undo_rec); /* in: undo log record */ + /* out: undo no */ + const trx_undo_rec_t* undo_rec); /* in: undo log record */ /************************************************************************** - * Returns the start of the undo record data area. */ - +Returns the start of the undo record data area. */ UNIV_INLINE -byte* -trx_undo_rec_get_ptr( -/*==================*/ - /* out: compiler info */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - dulint undo_no); /* in: undo no read from node */ +ulint +trx_undo_rec_get_offset( +/*====================*/ + /* out: offset to the data area */ + undo_no_t undo_no) /* in: undo no read from node */ + __attribute__((const)); + +/************************************************************************** +Returns the start of the undo record data area. */ +#define trx_undo_rec_get_ptr(undo_rec, undo_no) \ + ((undo_rec) + trx_undo_rec_get_offset(undo_no)) /************************************************************************** Reads from an undo log record the general parameters. */ @@ -103,7 +107,7 @@ trx_undo_rec_get_pars( for update type records */ ibool* updated_extern, /* out: TRUE if we updated an externally stored fild */ - dulint* undo_no, /* out: undo log record number */ + undo_no_t* undo_no, /* out: undo log record number */ dulint* table_id); /* out: table id */ /*********************************************************************** Builds a row reference from an undo log record. */ @@ -141,14 +145,15 @@ UNIV_INTERN byte* trx_undo_update_rec_get_sys_cols( /*=============================*/ - /* out: remaining part of undo log - record after reading these values */ - byte* ptr, /* in: remaining part of undo log - record after reading general - parameters */ - dulint* trx_id, /* out: trx id */ - dulint* roll_ptr, /* out: roll ptr */ - ulint* info_bits); /* out: info bits state */ + /* out: remaining part of undo + log record after reading these + values */ + byte* ptr, /* in: remaining part of undo + log record after reading + general parameters */ + trx_id_t* trx_id, /* out: trx id */ + roll_ptr_t* roll_ptr, /* out: roll ptr */ + ulint* info_bits); /* out: info bits state */ /*********************************************************************** Builds an update vector based on a remaining part of an undo log record. */ UNIV_INTERN @@ -170,8 +175,8 @@ trx_undo_update_rec_get_update( TRX_UNDO_DEL_MARK_REC; in the last case, only trx id and roll ptr fields are added to the update vector */ - dulint trx_id, /* in: transaction id from this undorecord */ - dulint roll_ptr,/* in: roll pointer from this undo record */ + trx_id_t trx_id, /* in: transaction id from this undorecord */ + roll_ptr_t roll_ptr,/* in: roll pointer from this undo record */ ulint info_bits,/* in: info bits from this undo record */ trx_t* trx, /* in: transaction */ mem_heap_t* heap, /* in: memory heap from which the memory @@ -226,7 +231,7 @@ trx_undo_report_row_operation( const rec_t* rec, /* in: case of an update or delete marking, the record in the clustered index, otherwise NULL */ - dulint* roll_ptr); /* out: rollback pointer to the + roll_ptr_t* roll_ptr); /* out: rollback pointer to the inserted undo log record, ut_dulint_zero if BTR_NO_UNDO_LOG flag was specified */ @@ -238,7 +243,7 @@ trx_undo_rec_t* trx_undo_get_undo_rec_low( /*======================*/ /* out, own: copy of the record */ - dulint roll_ptr, /* in: roll pointer to record */ + roll_ptr_t roll_ptr, /* in: roll pointer to record */ mem_heap_t* heap); /* in: memory heap where copied */ /********************************************************************** Copies an undo record to heap. */ @@ -252,8 +257,8 @@ trx_undo_get_undo_rec( fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ - dulint roll_ptr, /* in: roll pointer to record */ - dulint trx_id, /* in: id of the trx that generated + roll_ptr_t roll_ptr, /* in: roll pointer to record */ + trx_id_t trx_id, /* in: id of the trx that generated the roll pointer: it points to an undo log of this transaction */ trx_undo_rec_t** undo_rec, /* out, own: copy of the record */ diff --git a/include/trx0rec.ic b/include/trx0rec.ic index 2cb3a8fa128..0d8c8dd6e28 100644 --- a/include/trx0rec.ic +++ b/include/trx0rec.ic @@ -29,8 +29,8 @@ UNIV_INLINE ulint trx_undo_rec_get_type( /*==================*/ - /* out: record type */ - trx_undo_rec_t* undo_rec) /* in: undo log record */ + /* out: record type */ + const trx_undo_rec_t* undo_rec) /* in: undo log record */ { return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); } @@ -41,8 +41,8 @@ UNIV_INLINE ulint trx_undo_rec_get_cmpl_info( /*=======================*/ - /* out: compiler info */ - trx_undo_rec_t* undo_rec) /* in: undo log record */ + /* out: compiler info */ + const trx_undo_rec_t* undo_rec) /* in: undo log record */ { return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); } @@ -53,8 +53,8 @@ UNIV_INLINE ibool trx_undo_rec_get_extern_storage( /*============================*/ - /* out: TRUE if extern */ - trx_undo_rec_t* undo_rec) /* in: undo log record */ + /* out: TRUE if extern */ + const trx_undo_rec_t* undo_rec) /* in: undo log record */ { if (mach_read_from_1(undo_rec + 2) & TRX_UNDO_UPD_EXTERN) { @@ -67,13 +67,13 @@ trx_undo_rec_get_extern_storage( /************************************************************************** Reads the undo log record number. */ UNIV_INLINE -dulint +undo_no_t trx_undo_rec_get_undo_no( /*=====================*/ - /* out: undo no */ - trx_undo_rec_t* undo_rec) /* in: undo log record */ + /* out: undo no */ + const trx_undo_rec_t* undo_rec) /* in: undo log record */ { - byte* ptr; + const byte* ptr; ptr = undo_rec + 3; @@ -83,15 +83,13 @@ trx_undo_rec_get_undo_no( /************************************************************************** Returns the start of the undo record data area. */ UNIV_INLINE -byte* -trx_undo_rec_get_ptr( -/*=================*/ - /* out: compiler info */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - dulint undo_no) /* in: undo no read from node */ +ulint +trx_undo_rec_get_offset( +/*====================*/ + /* out: offset to the data area */ + undo_no_t undo_no) /* in: undo no read from node */ { - return (((byte*) undo_rec) + 3 - + mach_dulint_get_much_compressed_size(undo_no)); + return (3 + mach_dulint_get_much_compressed_size(undo_no)); } /*************************************************************************** @@ -105,14 +103,9 @@ trx_undo_rec_copy( mem_heap_t* heap) /* in: heap where copied */ { ulint len; - trx_undo_rec_t* rec_copy; len = mach_read_from_2(undo_rec) - ut_align_offset(undo_rec, UNIV_PAGE_SIZE); - rec_copy = mem_heap_alloc(heap, len); - - ut_memcpy(rec_copy, undo_rec, len); - - return(rec_copy); + return(mem_heap_dup(heap, undo_rec, len)); } #endif /* !UNIV_HOTBACKUP */ diff --git a/include/trx0roll.h b/include/trx0roll.h index 3318a5985d7..72e27e4c7b9 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -80,7 +80,7 @@ UNIV_INTERN void trx_roll_try_truncate( /*==================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /* in/out: transaction */ /************************************************************************ Pops the topmost record when the two undo logs of a transaction are seen as a single stack of records ordered by their undo numbers. Inserts the @@ -95,8 +95,8 @@ trx_roll_pop_top_rec_of_trx( if none left, or if the undo number of the top record would be less than the limit */ trx_t* trx, /* in: transaction */ - dulint limit, /* in: least undo number we need */ - dulint* roll_ptr,/* out: roll pointer to undo record */ + undo_no_t limit, /* in: least undo number we need */ + roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ mem_heap_t* heap); /* in: memory heap where copied */ /************************************************************************ Reserves an undo log record for a query thread to undo. This should be @@ -106,17 +106,17 @@ UNIV_INTERN ibool trx_undo_rec_reserve( /*=================*/ - /* out: TRUE if succeeded */ - trx_t* trx, /* in: transaction */ - dulint undo_no);/* in: undo number of the record */ + /* out: TRUE if succeeded */ + trx_t* trx, /* in/out: transaction */ + undo_no_t undo_no);/* in: undo number of the record */ /*********************************************************************** Releases a reserved undo record. */ UNIV_INTERN void trx_undo_rec_release( /*=================*/ - trx_t* trx, /* in: transaction */ - dulint undo_no);/* in: undo number */ + trx_t* trx, /* in/out: transaction */ + undo_no_t undo_no);/* in: undo number */ /************************************************************************* Starts a rollback operation. */ UNIV_INTERN @@ -278,7 +278,7 @@ trx_roll_savepoint_free( /*********************************************************************** Frees savepoint structs starting from savep, if savep == NULL then free all savepoints. */ - +UNIV_INTERN void trx_roll_savepoints_free( /*=====================*/ @@ -289,10 +289,10 @@ trx_roll_savepoints_free( /* A cell in the array used during a rollback and a purge */ struct trx_undo_inf_struct{ - dulint trx_no; /* transaction number: not defined during + trx_id_t trx_no; /* transaction number: not defined during a rollback */ - dulint undo_no; /* undo number of an undo record */ - ibool in_use; /* TRUE if the cell is in use */ + undo_no_t undo_no;/* undo number of an undo record */ + ibool in_use; /* TRUE if the cell is in use */ }; /* During a rollback and a purge, undo numbers of undo records currently being diff --git a/include/trx0rseg.h b/include/trx0rseg.h index af3d05eaab8..327f577b104 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -148,7 +148,7 @@ struct trx_rseg_struct{ rseg mutex */ ulint space; /* space where the rollback segment is header is placed */ - ulint zip_size;/* in: compressed page size of space + ulint zip_size;/* compressed page size of space in bytes, or 0 for uncompressed spaces */ ulint page_no;/* page number of the rollback segment header */ @@ -174,7 +174,7 @@ struct trx_rseg_struct{ FIL_NULL if all list purged */ ulint last_offset; /* Byte offset of the last not yet purged log header */ - dulint last_trx_no; /* Transaction number of the last not + trx_id_t last_trx_no; /* Transaction number of the last not yet purged log */ ibool last_del_marks; /* TRUE if the last not yet purged log needs purging */ diff --git a/include/trx0sys.h b/include/trx0sys.h index c521f1c030c..e0a9d3ee0d6 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -84,7 +84,7 @@ UNIV_INTERN void trx_sys_doublewrite_init_or_restore_pages( /*======================================*/ - ibool restore_corrupt_pages); + ibool restore_corrupt_pages); /* in: TRUE=restore pages */ /******************************************************************** Marks the trx sys header when we have successfully upgraded to the >= 4.1.x multiple tablespace format. */ @@ -209,14 +209,14 @@ trx_sysf_rseg_set_page_no( /********************************************************************* Allocates a new transaction id. */ UNIV_INLINE -dulint +trx_id_t trx_sys_get_new_trx_id(void); /*========================*/ /* out: new, allocated trx id */ /********************************************************************* Allocates a new transaction number. */ UNIV_INLINE -dulint +trx_id_t trx_sys_get_new_trx_no(void); /*========================*/ /* out: new, allocated trx number */ @@ -229,15 +229,15 @@ UNIV_INLINE void trx_write_trx_id( /*=============*/ - byte* ptr, /* in: pointer to memory where written */ - dulint id); /* in: id */ + byte* ptr, /* in: pointer to memory where written */ + trx_id_t id); /* in: id */ #ifndef UNIV_HOTBACKUP /********************************************************************* Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of mach_read_... */ UNIV_INLINE -dulint +trx_id_t trx_read_trx_id( /*============*/ /* out: id */ @@ -248,15 +248,15 @@ UNIV_INLINE trx_t* trx_get_on_id( /*==========*/ - /* out: the trx handle or NULL if not found */ - dulint trx_id); /* in: trx id to search for */ + /* out: the trx handle or NULL if not found */ + trx_id_t trx_id);/* in: trx id to search for */ /******************************************************************** Returns the minumum trx id in trx list. This is the smallest id for which the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already committed.) */ UNIV_INLINE -dulint +trx_id_t trx_list_get_min_trx_id(void); /*=========================*/ /* out: the minimum trx id, or trx_sys->max_trx_id @@ -267,8 +267,8 @@ UNIV_INLINE ibool trx_is_active( /*==========*/ - /* out: TRUE if active */ - dulint trx_id);/* in: trx id of the transaction */ + /* out: TRUE if active */ + trx_id_t trx_id);/* in: trx id of the transaction */ /******************************************************************** Checks that trx is in the trx list. */ UNIV_INTERN @@ -513,7 +513,7 @@ struct trx_doublewrite_struct{ /* The transaction system central memory data structure; protected by the kernel mutex */ struct trx_sys_struct{ - dulint max_trx_id; /* The smallest number not yet + trx_id_t max_trx_id; /* The smallest number not yet assigned as a transaction id or transaction number */ UT_LIST_BASE_NODE_T(trx_t) trx_list; diff --git a/include/trx0sys.ic b/include/trx0sys.ic index 760bd3ce68d..41e0c4a6b43 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -223,8 +223,8 @@ UNIV_INLINE void trx_write_trx_id( /*=============*/ - byte* ptr, /* in: pointer to memory where written */ - dulint id) /* in: id */ + byte* ptr, /* in: pointer to memory where written */ + trx_id_t id) /* in: id */ { #if DATA_TRX_ID_LEN != 6 # error "DATA_TRX_ID_LEN != 6" @@ -238,7 +238,7 @@ Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of mach_read_... */ UNIV_INLINE -dulint +trx_id_t trx_read_trx_id( /*============*/ /* out: id */ @@ -256,8 +256,8 @@ UNIV_INLINE trx_t* trx_get_on_id( /*==========*/ - /* out: the trx handle or NULL if not found */ - dulint trx_id) /* in: trx id to search for */ + /* out: the trx handle or NULL if not found */ + trx_id_t trx_id) /* in: trx id to search for */ { trx_t* trx; @@ -283,7 +283,7 @@ the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already committed.) */ UNIV_INLINE -dulint +trx_id_t trx_list_get_min_trx_id(void) /*=========================*/ /* out: the minimum trx id, or trx_sys->max_trx_id @@ -309,8 +309,8 @@ UNIV_INLINE ibool trx_is_active( /*==========*/ - /* out: TRUE if active */ - dulint trx_id) /* in: trx id of the transaction */ + /* out: TRUE if active */ + trx_id_t trx_id) /* in: trx id of the transaction */ { trx_t* trx; @@ -344,12 +344,12 @@ trx_is_active( /********************************************************************* Allocates a new transaction id. */ UNIV_INLINE -dulint +trx_id_t trx_sys_get_new_trx_id(void) /*========================*/ /* out: new, allocated trx id */ { - dulint id; + trx_id_t id; ut_ad(mutex_own(&kernel_mutex)); @@ -376,7 +376,7 @@ trx_sys_get_new_trx_id(void) /********************************************************************* Allocates a new transaction number. */ UNIV_INLINE -dulint +trx_id_t trx_sys_get_new_trx_no(void) /*========================*/ /* out: new, allocated trx number */ diff --git a/include/trx0trx.h b/include/trx0trx.h index 7603ffef924..c45419539f1 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -530,15 +530,15 @@ struct trx_struct{ time_t start_time; /* time the trx object was created or the state last time became TRX_ACTIVE */ - dulint id; /* transaction id */ + trx_id_t id; /* transaction id */ XID xid; /* X/Open XA transaction identification to identify a transaction branch */ - dulint no; /* transaction serialization number == + trx_id_t no; /* transaction serialization number == max trx id when the transaction is moved to COMMITTED_IN_MEMORY state */ ib_uint64_t commit_lsn; /* lsn at the time of the commit */ - dulint table_id; /* Table to drop iff dict_operation + trx_id_t table_id; /* Table to drop iff dict_operation is TRUE, or ut_dulint_zero. */ /*------------------------------*/ void* mysql_thd; /* MySQL thread handle corresponding @@ -675,7 +675,7 @@ struct trx_struct{ accessed only when we know that there cannot be any activity in the undo logs! */ - dulint undo_no; /* next undo log record number to + undo_no_t undo_no; /* next undo log record number to assign; since the undo log is private for a transaction, this is a simple ascending sequence @@ -694,7 +694,7 @@ struct trx_struct{ NULL if no inserts performed yet */ trx_undo_t* update_undo; /* pointer to the update undo log, or NULL if no update performed yet */ - dulint roll_limit; /* least undo number to undo during + undo_no_t roll_limit; /* least undo number to undo during a rollback */ ulint pages_undone; /* number of undo log pages undone since the last undo log truncation */ diff --git a/include/trx0types.h b/include/trx0types.h index 896f4e8c0a2..d210766f360 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -59,10 +59,14 @@ enum trx_rb_ctx { in crash recovery */ }; +typedef dulint trx_id_t; +typedef dulint roll_ptr_t; +typedef dulint undo_no_t; + /* Transaction savepoint */ typedef struct trx_savept_struct trx_savept_t; struct trx_savept_struct{ - dulint least_undo_no; /* least undo number to undo */ + undo_no_t least_undo_no; /* least undo number to undo */ }; /* File objects */ diff --git a/include/trx0undo.h b/include/trx0undo.h index f6834bd7494..6f99f129247 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -34,9 +34,9 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP /*************************************************************************** -Builds a roll pointer dulint. */ +Builds a roll pointer. */ UNIV_INLINE -dulint +roll_ptr_t trx_undo_build_roll_ptr( /*====================*/ /* out: roll pointer */ @@ -45,24 +45,25 @@ trx_undo_build_roll_ptr( ulint page_no, /* in: page number */ ulint offset); /* in: offset of the undo entry within page */ /*************************************************************************** -Decodes a roll pointer dulint. */ +Decodes a roll pointer. */ UNIV_INLINE void trx_undo_decode_roll_ptr( /*=====================*/ - dulint roll_ptr, /* in: roll pointer */ - ibool* is_insert, /* out: TRUE if insert undo log */ - ulint* rseg_id, /* out: rollback segment id */ - ulint* page_no, /* out: page number */ - ulint* offset); /* out: offset of the undo entry within page */ + roll_ptr_t roll_ptr, /* in: roll pointer */ + ibool* is_insert, /* out: TRUE if insert undo log */ + ulint* rseg_id, /* out: rollback segment id */ + ulint* page_no, /* out: page number */ + ulint* offset); /* out: offset of the undo + entry within page */ /*************************************************************************** Returns TRUE if the roll pointer is of the insert type. */ UNIV_INLINE ibool trx_undo_roll_ptr_is_insert( /*========================*/ - /* out: TRUE if insert undo log */ - dulint roll_ptr); /* in: roll pointer */ + /* out: TRUE if insert undo log */ + roll_ptr_t roll_ptr); /* in: roll pointer */ #endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a roll ptr to an index page. In case that the size changes in @@ -72,14 +73,15 @@ UNIV_INLINE void trx_write_roll_ptr( /*===============*/ - byte* ptr, /* in: pointer to memory where written */ - dulint roll_ptr); /* in: roll ptr */ + byte* ptr, /* in: pointer to memory where + written */ + roll_ptr_t roll_ptr); /* in: roll ptr */ /********************************************************************* Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of mach_read_... */ UNIV_INLINE -dulint +roll_ptr_t trx_read_roll_ptr( /*==============*/ /* out: roll ptr */ @@ -214,7 +216,7 @@ trx_undo_truncate_end( /*==================*/ trx_t* trx, /* in: transaction whose undo log it is */ trx_undo_t* undo, /* in: undo log */ - dulint limit); /* in: all undo records with undo number + undo_no_t limit); /* in: all undo records with undo number >= this value should be truncated */ /*************************************************************************** Truncates an undo log from the start. This function is used during a purge @@ -223,15 +225,17 @@ UNIV_INTERN void trx_undo_truncate_start( /*====================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - ulint space, /* in: space id of the log */ - ulint hdr_page_no, /* in: header page number */ - ulint hdr_offset, /* in: header offset on the page */ - dulint limit); /* in: all undo pages with undo numbers < - this value should be truncated; NOTE that - the function only frees whole pages; the - header page is not freed, but emptied, if - all the records there are < limit */ + trx_rseg_t* rseg, /* in: rollback segment */ + ulint space, /* in: space id of the log */ + ulint hdr_page_no, /* in: header page number */ + ulint hdr_offset, /* in: header offset on the page */ + undo_no_t limit); /* in: all undo pages with + undo numbers < this value + should be truncated; NOTE that + the function only frees whole + pages; the header page is not + freed, but emptied, if all the + records there are < limit */ /************************************************************************ Initializes the undo log lists for a rollback segment memory copy. This function is only called when the database is started or a new @@ -374,7 +378,7 @@ struct trx_undo_struct{ necessary; also TRUE if the transaction has updated an externally stored field */ - dulint trx_id; /* id of the trx assigned to the undo + trx_id_t trx_id; /* id of the trx assigned to the undo log */ XID xid; /* X/Open XA transaction identification */ @@ -385,7 +389,7 @@ struct trx_undo_struct{ /*-----------------------------*/ ulint space; /* space id where the undo log placed */ - ulint zip_size; /* in: compressed page size of space + ulint zip_size; /* compressed page size of space in bytes, or 0 for uncompressed */ ulint hdr_page_no; /* page number of the header page in the undo log */ @@ -405,7 +409,7 @@ struct trx_undo_struct{ ulint top_offset; /* offset of the latest undo record, i.e., the topmost element in the undo log if we think of it as a stack */ - dulint top_undo_no; /* undo number of the latest record */ + undo_no_t top_undo_no; /* undo number of the latest record */ buf_block_t* guess_block; /* guess for the buffer block where the top page might reside */ /*-----------------------------*/ diff --git a/include/trx0undo.ic b/include/trx0undo.ic index d767716ba9a..3ae948931a2 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -27,9 +27,9 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP /*************************************************************************** -Builds a roll pointer dulint. */ +Builds a roll pointer. */ UNIV_INLINE -dulint +roll_ptr_t trx_undo_build_roll_ptr( /*====================*/ /* out: roll pointer */ @@ -51,16 +51,17 @@ trx_undo_build_roll_ptr( } /*************************************************************************** -Decodes a roll pointer dulint. */ +Decodes a roll pointer. */ UNIV_INLINE void trx_undo_decode_roll_ptr( /*=====================*/ - dulint roll_ptr, /* in: roll pointer */ - ibool* is_insert, /* out: TRUE if insert undo log */ - ulint* rseg_id, /* out: rollback segment id */ - ulint* page_no, /* out: page number */ - ulint* offset) /* out: offset of the undo entry within page */ + roll_ptr_t roll_ptr, /* in: roll pointer */ + ibool* is_insert, /* out: TRUE if insert undo log */ + ulint* rseg_id, /* out: rollback segment id */ + ulint* page_no, /* out: page number */ + ulint* offset) /* out: offset of the undo + entry within page */ { ulint low; ulint high; @@ -88,8 +89,8 @@ UNIV_INLINE ibool trx_undo_roll_ptr_is_insert( /*========================*/ - /* out: TRUE if insert undo log */ - dulint roll_ptr) /* in: roll pointer */ + /* out: TRUE if insert undo log */ + roll_ptr_t roll_ptr) /* in: roll pointer */ { ulint high; #if DATA_ROLL_PTR_LEN != 7 @@ -112,8 +113,9 @@ UNIV_INLINE void trx_write_roll_ptr( /*===============*/ - byte* ptr, /* in: pointer to memory where written */ - dulint roll_ptr) /* in: roll ptr */ + byte* ptr, /* in: pointer to memory where + written */ + roll_ptr_t roll_ptr) /* in: roll ptr */ { #if DATA_ROLL_PTR_LEN != 7 # error "DATA_ROLL_PTR_LEN != 7" @@ -126,7 +128,7 @@ Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of mach_read_... */ UNIV_INLINE -dulint +roll_ptr_t trx_read_roll_ptr( /*==============*/ /* out: roll ptr */ diff --git a/include/univ.i b/include/univ.i index eb0f24f082c..62ca52dd876 100644 --- a/include/univ.i +++ b/include/univ.i @@ -54,6 +54,8 @@ component, i.e. we show M.N.P as M.N */ INNODB_VERSION_MINOR, \ INNODB_VERSION_BUGFIX) +#define REFMAN "http://dev.mysql.com/doc/refman/5.1/en/" + #ifdef MYSQL_DYNAMIC_PLUGIN /* In the dynamic plugin, redefine some externally visible symbols in order not to conflict with the symbols of a builtin InnoDB. */ @@ -70,9 +72,10 @@ the virtual method table (vtable) in GCC 3. */ # include -# if !defined(WIN64) && !defined(_WIN64) -# define UNIV_CAN_USE_X86_ASSEMBLER -# endif +# if defined(HAVE_WINDOWS_ATOMICS) +/* If atomics are defined we use them in InnoDB mutex implementation */ +# define HAVE_ATOMIC_BUILTINS +# endif /* HAVE_WINDOWS_ATOMICS */ # ifdef _NT_ # define __NT__ @@ -106,17 +109,17 @@ if we are compiling on Windows. */ # include # endif -/* When compiling for Itanium IA64, undefine the flag below to prevent use -of the 32-bit x86 assembler in mutex operations. */ - -# if defined(__WIN__) && !defined(WIN64) && !defined(_WIN64) -# define UNIV_CAN_USE_X86_ASSEMBLER -# endif +# if defined(HAVE_GCC_ATOMIC_BUILTINS) || defined(HAVE_SOLARIS_ATOMICS) \ + || defined(HAVE_WINDOWS_ATOMICS) +/* If atomics are defined we use them in InnoDB mutex implementation */ +# define HAVE_ATOMIC_BUILTINS +# endif /* (HAVE_GCC_ATOMIC_BUILTINS) || (HAVE_SOLARIS_ATOMICS) + || (HAVE_WINDOWS_ATOMICS) */ /* For InnoDB rw_locks to work with atomics we need the thread_id to be no more than machine word wide. The following enables using atomics for InnoDB rw_locks where these conditions are met. */ -#ifdef HAVE_GCC_ATOMIC_BUILTINS +#ifdef HAVE_ATOMIC_BUILTINS /* if HAVE_ATOMIC_PTHREAD_T is defined at this point that means that the code from plug.in has defined it and we do not need to include ut0auxconf.h which would either define HAVE_ATOMIC_PTHREAD_T or will @@ -129,7 +132,7 @@ from Makefile.in->ut0auxconf.h */ # ifdef HAVE_ATOMIC_PTHREAD_T # define INNODB_RW_LOCKS_USE_ATOMICS # endif /* HAVE_ATOMIC_PTHREAD_T */ -#endif /* HAVE_GCC_ATOMIC_BUILTINS */ +#endif /* HAVE_ATOMIC_BUILTINS */ /* We only try to do explicit inlining of functions with gcc and Microsoft Visual C++ */ diff --git a/include/ut0byte.h b/include/ut0byte.h index 24aac1678b3..c0e6d4c24be 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -204,8 +204,12 @@ Tests if two dulints are equal. */ Sort function for dulint arrays. */ UNIV_INTERN void -ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high); -/*===============================================================*/ +ut_dulint_sort( +/*===========*/ + dulint* arr, /* in/out: array to be sorted */ + dulint* aux_arr,/* in/out: auxiliary array (same size as arr) */ + ulint low, /* in: low bound of sort interval, inclusive */ + ulint high); /* in: high bound of sort interval, noninclusive */ #endif /* notdefined */ /************************************************************* diff --git a/include/ut0ut.h b/include/ut0ut.h index 06b5bbcb221..b3b3671ece9 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -165,6 +165,7 @@ UNIV_INTERN ib_time_t ut_time(void); /*=========*/ + /* out: system time */ /************************************************************** Returns system time. Upon successful completion, the value 0 is returned; otherwise the @@ -305,12 +306,14 @@ ut_copy_file( FILE* src); /* in: input file to be appended to output */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** -snprintf(). */ - #ifdef __WIN__ +/************************************************************************** +A substitute for snprintf(3), formatted output conversion into +a limited buffer. */ +UNIV_INTERN int ut_snprintf( +/*========*/ /* out: number of characters that would have been printed if the size were unlimited, not including the terminating @@ -320,7 +323,7 @@ ut_snprintf( const char* fmt, /* in: format */ ...); /* in: format values */ #else -#define ut_snprintf snprintf +# define ut_snprintf snprintf #endif /* __WIN__ */ #ifndef UNIV_NONINL diff --git a/include/ut0vec.ic b/include/ut0vec.ic index b0e853717e3..cda1a825734 100644 --- a/include/ut0vec.ic +++ b/include/ut0vec.ic @@ -81,8 +81,9 @@ Test whether a vector is empty or not. */ UNIV_INLINE ibool ib_vector_is_empty( -/*===============*/ /* out: TRUE if empty else FALSE */ - const ib_vector_t* vec) /* in vector to test */ +/*===============*/ + /* out: TRUE if empty */ + const ib_vector_t* vec) /* in: vector */ { return(ib_vector_size(vec) == 0); } diff --git a/include/ut0wqueue.h b/include/ut0wqueue.h index 6bb80dad532..6ba36aec55e 100644 --- a/include/ut0wqueue.h +++ b/include/ut0wqueue.h @@ -64,6 +64,7 @@ Wait for a work item to appear in the queue. */ UNIV_INTERN void* ib_wqueue_wait( +/*===========*/ /* out: work item */ ib_wqueue_t* wq); /* in: work queue */ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 30591598d98..9ed32070b7b 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -452,7 +452,7 @@ ibool lock_check_trx_id_sanity( /*=====================*/ /* out: TRUE if ok */ - dulint trx_id, /* in: trx id */ + trx_id_t trx_id, /* in: trx id */ const rec_t* rec, /* in: user record */ dict_index_t* index, /* in: index */ const ulint* offsets, /* in: rec_get_offsets(rec, index) */ @@ -510,7 +510,7 @@ lock_clust_rec_cons_read_sees( const ulint* offsets,/* in: rec_get_offsets(rec, index) */ read_view_t* view) /* in: consistent read view */ { - dulint trx_id; + trx_id_t trx_id; ut_ad(dict_index_is_clust(index)); ut_ad(page_rec_is_user_rec(rec)); @@ -549,7 +549,7 @@ lock_sec_rec_cons_read_sees( by a read cursor */ const read_view_t* view) /* in: consistent read view */ { - dulint max_trx_id; + trx_id_t max_trx_id; ut_ad(page_rec_is_user_rec(rec)); @@ -563,6 +563,7 @@ lock_sec_rec_cons_read_sees( } max_trx_id = page_get_max_trx_id(page_align(rec)); + ut_ad(!ut_dulint_is_zero(max_trx_id)); return(ut_dulint_cmp(max_trx_id, view->up_limit_id) < 0); } @@ -4342,6 +4343,7 @@ static ulint lock_get_n_rec_locks(void) /*======================*/ + /* out: number of record locks */ { lock_t* lock; ulint n_locks = 0; @@ -4923,10 +4925,11 @@ lock_rec_insert_check_and_lock( DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - rec_t* rec, /* in: record after which to insert */ + const rec_t* rec, /* in: record after which to insert */ buf_block_t* block, /* in/out: buffer block of rec */ dict_index_t* index, /* in: index */ que_thr_t* thr, /* in: query thread */ + mtr_t* mtr, /* in/out: mini-transaction */ ibool* inherit)/* out: set to TRUE if the new inserted record maybe should inherit LOCK_GAP type locks from the successor @@ -4946,7 +4949,7 @@ lock_rec_insert_check_and_lock( } trx = thr_get_trx(thr); - next_rec = page_rec_get_next(rec); + next_rec = page_rec_get_next((rec_t*) rec); next_rec_heap_no = page_rec_get_heap_no(next_rec); lock_mutex_enter_kernel(); @@ -4969,7 +4972,7 @@ lock_rec_insert_check_and_lock( /* Update the page max trx id field */ page_update_max_trx_id(block, buf_block_get_page_zip(block), - trx->id); + trx->id, mtr); } *inherit = FALSE; @@ -5008,7 +5011,7 @@ lock_rec_insert_check_and_lock( /* Update the page max trx id field */ page_update_max_trx_id(block, buf_block_get_page_zip(block), - trx->id); + trx->id, mtr); } #ifdef UNIV_DEBUG @@ -5144,13 +5147,14 @@ lock_sec_rec_modify_check_and_lock( ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ buf_block_t* block, /* in/out: buffer block of rec */ - rec_t* rec, /* in: record which should be + const rec_t* rec, /* in: record which should be modified; NOTE: as this is a secondary index, we always have to modify the clustered index record first: see the comment below */ dict_index_t* index, /* in: secondary index */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr, /* in: query thread */ + mtr_t* mtr) /* in/out: mini-transaction */ { ulint err; ulint heap_no; @@ -5199,7 +5203,7 @@ lock_sec_rec_modify_check_and_lock( /* Update the page max trx id field */ page_update_max_trx_id(block, buf_block_get_page_zip(block), - thr_get_trx(thr)->id); + thr_get_trx(thr)->id, mtr); } return(err); diff --git a/log/log0log.c b/log/log0log.c index 63da4c9134f..b8146bde61b 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -177,6 +177,7 @@ static ib_uint64_t log_buf_pool_get_oldest_modification(void) /*======================================*/ + /* out: LSN of oldest modification */ { ib_uint64_t lsn; @@ -727,8 +728,7 @@ failure: " After an ERROR-FREE shutdown\n" "InnoDB: of mysqld you can adjust the size of" " ib_logfiles, as explained in\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "adding-and-removing.html\n" + "InnoDB: " REFMAN "adding-and-removing.html\n" "InnoDB: Cannot continue operation." " Calling exit(1).\n", (ulong)srv_thread_concurrency); diff --git a/log/log0recv.c b/log/log0recv.c index 6d3593e0ca7..db60ffb9961 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -612,8 +612,7 @@ not_consistent: "InnoDB: to create the InnoDB data files," " but log file creation failed.\n" "InnoDB: If that is the case, please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "error-creating-innodb.html\n"); + "InnoDB: " REFMAN "error-creating-innodb.html\n"); return(DB_ERROR); } @@ -1109,7 +1108,7 @@ recv_parse_or_apply_log_rec_body( case MLOG_FILE_RENAME: case MLOG_FILE_DELETE: case MLOG_FILE_CREATE2: - ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0); + ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0, 0); break; case MLOG_ZIP_WRITE_NODE_PTR: ut_ad(!page || page_type == FIL_PAGE_INDEX); @@ -2041,8 +2040,7 @@ recv_report_corrupt_log( "InnoDB: far enough in recovery! Please run CHECK TABLE\n" "InnoDB: on your InnoDB tables to check that they are ok!\n" "InnoDB: If mysqld crashes after this recovery, look at\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" "InnoDB: about forcing recovery.\n", stderr); fflush(stderr); @@ -2160,7 +2158,8 @@ loop: point to the datadir we should use there */ if (NULL == fil_op_log_parse_or_replay( - body, end_ptr, type, space)) { + body, end_ptr, type, + space, page_no)) { fprintf(stderr, "InnoDB: Error: file op" " log record of type %lu" diff --git a/mtr/mtr0log.c b/mtr/mtr0log.c index d21a7cacd34..f75b52c5274 100644 --- a/mtr/mtr0log.c +++ b/mtr/mtr0log.c @@ -541,8 +541,7 @@ mlog_parse_index( /* out: parsed record end, NULL if not a complete record */ byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - /* out: new value of log_ptr */ + const byte* end_ptr,/* in: buffer end */ ibool comp, /* in: TRUE=compact record format */ dict_index_t** index) /* out, own: dummy index */ { diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index 385084fb457..e3c52fd7b6b 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -1736,36 +1736,36 @@ select count(*) from t1 where x = 18446744073709551601; count(*) 1 drop table t1; -show status like "Innodb_buffer_pool_pages_total"; -Variable_name Value -Innodb_buffer_pool_pages_total 511 -show status like "Innodb_page_size"; -Variable_name Value -Innodb_page_size 16384 -show status like "Innodb_rows_deleted"; -Variable_name Value -Innodb_rows_deleted 71 -show status like "Innodb_rows_inserted"; -Variable_name Value -Innodb_rows_inserted 1084 -show status like "Innodb_rows_updated"; -Variable_name Value -Innodb_rows_updated 885 -show status like "Innodb_row_lock_waits"; -Variable_name Value -Innodb_row_lock_waits 0 -show status like "Innodb_row_lock_current_waits"; -Variable_name Value -Innodb_row_lock_current_waits 0 -show status like "Innodb_row_lock_time"; -Variable_name Value -Innodb_row_lock_time 0 -show status like "Innodb_row_lock_time_max"; -Variable_name Value -Innodb_row_lock_time_max 0 -show status like "Innodb_row_lock_time_avg"; -Variable_name Value -Innodb_row_lock_time_avg 0 +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; +variable_value +511 +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; +variable_value +16384 +SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; +variable_value - @innodb_rows_deleted_orig +71 +SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; +variable_value - @innodb_rows_inserted_orig +1084 +SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; +variable_value - @innodb_rows_updated_orig +885 +SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; +variable_value - @innodb_row_lock_waits_orig +0 +SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; +variable_value - @innodb_row_lock_current_waits_orig +0 +SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; +variable_value - @innodb_row_lock_time_orig +0 +SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; +variable_value - @innodb_row_lock_time_max_orig +0 +SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; +variable_value - @innodb_row_lock_time_avg_orig +0 show variables like "innodb_sync_spin_loops"; Variable_name Value innodb_sync_spin_loops 20 diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index 447abee21cd..0d8e164de34 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -6,22 +6,45 @@ # Use innodb_mysql.[test|result] files instead. # # # # If nevertheless you need to make some changes here, please, forward # -# your commit message To: dev@innodb.com Cc: dev-innodb@mysql.com # +# your commit message # +# To: innodb_dev_ww@oracle.com # +# Cc: dev-innodb@mysql.com # # (otherwise your changes may be erased). # # # ####################################################################### -- source include/have_innodb.inc -# -# Small basic test with ignore -# +# Save the original values of some variables in order to be able to +# estimate how much they have changed during the tests. Previously this +# test assumed that e.g. rows_deleted is 0 here and after deleting 23 +# rows it expected that rows_deleted will be 23. Now we do not make +# assumptions about the values of the variables at the beginning, e.g. +# rows_deleted should be 23 + "rows_deleted before the test". This allows +# the test to be run multiple times without restarting the mysqld server. +# See Bug#43309 Test main.innodb can't be run twice +-- disable_query_log +SET @innodb_thread_concurrency_orig = @@innodb_thread_concurrency; + +SET @innodb_rows_deleted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'); +SET @innodb_rows_inserted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'); +SET @innodb_rows_updated_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'); +SET @innodb_row_lock_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'); +SET @innodb_row_lock_current_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'); +SET @innodb_row_lock_time_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'); +SET @innodb_row_lock_time_max_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'); +SET @innodb_row_lock_time_avg_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'); +-- enable_query_log --disable_warnings drop table if exists t1,t2,t3,t4; drop database if exists mysqltest; --enable_warnings +# +# Small basic test with ignore +# + create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); @@ -1295,18 +1318,18 @@ drop table t1; # Test for testable InnoDB status variables. This test # uses previous ones(pages_created, rows_deleted, ...). --replace_result 512 511 -show status like "Innodb_buffer_pool_pages_total"; -show status like "Innodb_page_size"; -show status like "Innodb_rows_deleted"; -show status like "Innodb_rows_inserted"; -show status like "Innodb_rows_updated"; +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; +SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; +SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; +SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; # Test for row locks InnoDB status variables. -show status like "Innodb_row_lock_waits"; -show status like "Innodb_row_lock_current_waits"; -show status like "Innodb_row_lock_time"; -show status like "Innodb_row_lock_time_max"; -show status like "Innodb_row_lock_time_avg"; +SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; +SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; +SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; +SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; +SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; # Test for innodb_sync_spin_loops variable show variables like "innodb_sync_spin_loops"; @@ -2524,6 +2547,10 @@ DROP TABLE bug35537; DISCONNECT c1; CONNECTION default; +SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig; + +-- enable_query_log + ####################################################################### # # # Please, DO NOT TOUCH this file as well as the innodb.result file. # @@ -2532,7 +2559,9 @@ CONNECTION default; # Use innodb_mysql.[test|result] files instead. # # # # If nevertheless you need to make some changes here, please, forward # -# your commit message To: dev@innodb.com Cc: dev-innodb@mysql.com # +# your commit message # +# To: innodb_dev_ww@oracle.com # +# Cc: dev-innodb@mysql.com # # (otherwise your changes may be erased). # # # ####################################################################### diff --git a/mysql-test/innodb_bug42101-nonzero-master.opt b/mysql-test/innodb_bug42101-nonzero-master.opt new file mode 100644 index 00000000000..d71dbe17d5b --- /dev/null +++ b/mysql-test/innodb_bug42101-nonzero-master.opt @@ -0,0 +1 @@ +--innodb_commit_concurrency=1 diff --git a/mysql-test/innodb_bug42101-nonzero.result b/mysql-test/innodb_bug42101-nonzero.result new file mode 100644 index 00000000000..8a14296381c --- /dev/null +++ b/mysql-test/innodb_bug42101-nonzero.result @@ -0,0 +1,22 @@ +set global innodb_commit_concurrency=0; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +42 +set global innodb_commit_concurrency=0; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +42 +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 diff --git a/mysql-test/innodb_bug42101-nonzero.test b/mysql-test/innodb_bug42101-nonzero.test new file mode 100644 index 00000000000..c691a234c51 --- /dev/null +++ b/mysql-test/innodb_bug42101-nonzero.test @@ -0,0 +1,19 @@ +# +# Bug#42101 Race condition in innodb_commit_concurrency +# http://bugs.mysql.com/42101 +# + +-- source include/have_innodb.inc + +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; diff --git a/mysql-test/innodb_bug42101.result b/mysql-test/innodb_bug42101.result new file mode 100644 index 00000000000..9a9c8e0ce9b --- /dev/null +++ b/mysql-test/innodb_bug42101.result @@ -0,0 +1,18 @@ +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=1; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=42; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 diff --git a/mysql-test/innodb_bug42101.test b/mysql-test/innodb_bug42101.test new file mode 100644 index 00000000000..13d531ecde7 --- /dev/null +++ b/mysql-test/innodb_bug42101.test @@ -0,0 +1,17 @@ +# +# Bug#42101 Race condition in innodb_commit_concurrency +# http://bugs.mysql.com/42101 +# + +-- source include/have_innodb.inc + +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; diff --git a/mysql-test/innodb_bug44032.result b/mysql-test/innodb_bug44032.result new file mode 100644 index 00000000000..da2a000b06e --- /dev/null +++ b/mysql-test/innodb_bug44032.result @@ -0,0 +1,7 @@ +CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT +ENGINE=InnoDB; +INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); +UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; +UPDATE bug44032 SET c=NULL WHERE c='DDD'; +UPDATE bug44032 SET c='DDD' WHERE c IS NULL; +DROP TABLE bug44032; diff --git a/mysql-test/innodb_bug44032.test b/mysql-test/innodb_bug44032.test new file mode 100644 index 00000000000..a963cb8b68f --- /dev/null +++ b/mysql-test/innodb_bug44032.test @@ -0,0 +1,13 @@ +# Bug44032 no update-in-place of UTF-8 columns in ROW_FORMAT=REDUNDANT +# (btr_cur_update_in_place not invoked when updating from/to NULL; +# the update is performed by delete and insert instead) + +-- source include/have_innodb.inc + +CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT +ENGINE=InnoDB; +INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); +UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; +UPDATE bug44032 SET c=NULL WHERE c='DDD'; +UPDATE bug44032 SET c='DDD' WHERE c IS NULL; +DROP TABLE bug44032; diff --git a/os/os0file.c b/os/os0file.c index 2786b0ed336..5c6e2cc5d6a 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -360,7 +360,7 @@ os_file_get_last_error( "InnoDB: Some operating system error numbers" " are described at\n" "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" + REFMAN "operating-system-error-codes.html\n"); } } @@ -419,7 +419,7 @@ os_file_get_last_error( "InnoDB: Some operating system" " error numbers are described at\n" "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" + REFMAN "operating-system-error-codes.html\n"); } } @@ -794,8 +794,7 @@ next_file: /* TODO: MySQL has apparently its own symlink implementation in Windows, dbname.sym can redirect a database directory: - http://dev.mysql.com/doc/refman/5.1/en/ - windows-symbolic-links.html */ + REFMAN "windows-symbolic-links.html" */ info->type = OS_FILE_TYPE_LINK; } else if (lpFindFileData->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { @@ -2573,8 +2572,7 @@ retry: "InnoDB: Some operating system error numbers" " are described at\n" "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" - "operating-system-error-codes.html\n", + REFMAN "operating-system-error-codes.html\n", name, (ulong) offset_high, (ulong) offset, (ulong) GetLastError()); @@ -2645,8 +2643,7 @@ retry: "InnoDB: Some operating system error numbers" " are described at\n" "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" - "operating-system-error-codes.html\n"); + REFMAN "operating-system-error-codes.html\n"); os_has_said_disk_full = TRUE; } @@ -2688,8 +2685,7 @@ retry: "InnoDB: Some operating system error numbers" " are described at\n" "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" - "operating-system-error-codes.html\n"); + REFMAN "operating-system-error-codes.html\n"); os_has_said_disk_full = TRUE; } @@ -3773,11 +3769,14 @@ os_aio( ulint offset_high, /* in: most significant 32 bits of offset */ ulint n, /* in: number of bytes to read or write */ - fil_node_t* message1,/* in: messages for the aio handler (these - can be used to identify a completed aio - operation); if mode is OS_AIO_SYNC, these - are ignored */ - void* message2) + fil_node_t* message1,/* in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + void* message2)/* in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ { os_aio_array_t* array; os_aio_slot_t* slot; diff --git a/os/os0proc.c b/os/os0proc.c index 8d4a71f8c4e..f5bc665a073 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -52,6 +52,7 @@ UNIV_INTERN ulint os_proc_get_number(void) /*====================*/ + /* out: process id as a number */ { #ifdef __WIN__ return((ulint)GetCurrentProcessId()); diff --git a/os/os0thread.c b/os/os0thread.c index 0da01a95048..67775b677d8 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -67,7 +67,8 @@ UNIV_INTERN ulint os_thread_pf( /*=========*/ - os_thread_id_t a) + /* out: thread identifier as a number */ + os_thread_id_t a) /* in: OS thread identifier */ { #ifdef UNIV_HPUX10 /* In HP-UX-10.20 a pthread_t is a struct of 3 fields: field1, field2, @@ -87,6 +88,7 @@ UNIV_INTERN os_thread_id_t os_thread_get_curr_id(void) /*=======================*/ + /* out: current thread identifier */ { #ifdef __WIN__ return(GetCurrentThreadId()); @@ -240,6 +242,7 @@ UNIV_INTERN os_thread_t os_thread_get_curr(void) /*====================*/ + /* out: current thread handle */ { #ifdef __WIN__ return(GetCurrentThread()); @@ -359,6 +362,7 @@ UNIV_INTERN ulint os_thread_get_last_error(void) /*==========================*/ + /* out: last error on Windows, 0 otherwise */ { #ifdef __WIN__ return(GetLastError()); diff --git a/page/page0cur.c b/page/page0cur.c index caf198ab3e7..11c130a35eb 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -30,16 +30,49 @@ Created 10/4/1994 Heikki Tuuri #include "page0zip.h" #include "mtr0log.h" #include "log0recv.h" +#include "ut0ut.h" #ifndef UNIV_HOTBACKUP #include "rem0cmp.h" -static ulint page_rnd = 976722341; - #ifdef PAGE_CUR_ADAPT # ifdef UNIV_SEARCH_PERF_STAT static ulint page_cur_short_succ = 0; # endif /* UNIV_SEARCH_PERF_STAT */ +/*********************************************************************** +This is a linear congruential generator PRNG. Returns a pseudo random +number between 0 and 2^64-1 inclusive. The formula and the constants +being used are: +X[n+1] = (a * X[n] + c) mod m +where: +X[0] = ut_time_us(NULL) +a = 1103515245 (3^5 * 5 * 7 * 129749) +c = 12345 (3 * 5 * 823) +m = 18446744073709551616 (2^64) +*/ +static +ib_uint64_t +page_cur_lcg_prng(void) +/*===================*/ + /* out: number between 0 and 2^64-1 */ +{ +#define LCG_a 1103515245 +#define LCG_c 12345 + static ib_uint64_t lcg_current = 0; + static ibool initialized = FALSE; + + if (!initialized) { + lcg_current = (ib_uint64_t) ut_time_us(NULL); + initialized = TRUE; + } + + /* no need to "% 2^64" explicitly because lcg_current is + 64 bit and this will be done anyway */ + lcg_current = LCG_a * lcg_current + LCG_c; + + return(lcg_current); +} + /******************************************************************** Tries a search shortcut based on the last insert. */ UNIV_INLINE @@ -524,9 +557,7 @@ page_cur_open_on_rnd_user_rec( return; } - page_rnd += 87584577; - - rnd = page_rnd % n_recs; + rnd = (ulint) (page_cur_lcg_prng() % n_recs); do { page_cur_move_to_next(cursor); @@ -1930,3 +1961,30 @@ page_cur_delete_rec( ut_a(!page_zip || page_zip_validate(page_zip, page)); #endif /* UNIV_ZIP_DEBUG */ } + +#ifdef UNIV_COMPILE_TEST_FUNCS + +/*********************************************************************** +Print the first n numbers, generated by page_cur_lcg_prng() to make sure +(visually) that it works properly. */ +void +test_page_cur_lcg_prng( +/*===================*/ + int n) /* in: print first n numbers */ +{ + int i; + unsigned long long rnd; + + for (i = 0; i < n; i++) { + rnd = page_cur_lcg_prng(); + printf("%llu\t%%2=%llu %%3=%llu %%5=%llu %%7=%llu %%11=%llu\n", + rnd, + rnd % 2, + rnd % 3, + rnd % 5, + rnd % 7, + rnd % 11); + } +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/page/page0page.c b/page/page0page.c index ea4e259bcb3..3217a44e065 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -209,7 +209,8 @@ page_set_max_trx_id( /*================*/ buf_block_t* block, /* in/out: page */ page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dulint trx_id) /* in: transaction id */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in/out: mini-transaction, or NULL */ { page_t* page = buf_block_get_frame(block); #ifndef UNIV_HOTBACKUP @@ -218,17 +219,24 @@ page_set_max_trx_id( if (is_hashed) { rw_lock_x_lock(&btr_search_latch); } + + ut_ad(!mtr || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); #endif /* !UNIV_HOTBACKUP */ /* It is not necessary to write this change to the redo log, as during a database recovery we assume that the max trx id of every page is the maximum trx id assigned before the crash. */ - mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); page_zip_write_header(page_zip, page + (PAGE_HEADER + PAGE_MAX_TRX_ID), - 8, NULL); + 8, mtr); + } else if (mtr) { + mlog_write_dulint(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), + trx_id, mtr); + } else { + mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); } #ifndef UNIV_HOTBACKUP @@ -447,7 +455,7 @@ page_create_low( page_header_set_field(page, NULL, PAGE_DIRECTION, PAGE_NO_DIRECTION); page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); page_header_set_field(page, NULL, PAGE_N_RECS, 0); - page_set_max_trx_id(block, NULL, ut_dulint_zero); + page_set_max_trx_id(block, NULL, ut_dulint_zero, NULL); memset(heap_top, 0, UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START - page_offset(heap_top)); @@ -692,8 +700,10 @@ page_copy_rec_list_end( lock_move_rec_list_end(new_block, block, rec); - page_update_max_trx_id(new_block, new_page_zip, - page_get_max_trx_id(page)); + if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { + page_update_max_trx_id(new_block, new_page_zip, + page_get_max_trx_id(page), mtr); + } btr_search_move_or_delete_hash_entries(new_block, block, index); @@ -803,8 +813,12 @@ page_copy_rec_list_start( /* Update MAX_TRX_ID, the lock table, and possible hash index */ - page_update_max_trx_id(new_block, new_page_zip, - page_get_max_trx_id(page_align(rec))); + if (dict_index_is_sec_or_ibuf(index) + && page_is_leaf(page_align(rec))) { + page_update_max_trx_id(new_block, new_page_zip, + page_get_max_trx_id(page_align(rec)), + mtr); + } lock_move_rec_list_start(new_block, block, rec, ret); diff --git a/page/page0zip.c b/page/page0zip.c index 76783b9a039..ba590f37a33 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -273,6 +273,8 @@ page_zip_compress_write_log( byte* log_ptr; ulint trailer_size; + ut_ad(!dict_index_is_ibuf(index)); + log_ptr = mlog_open(mtr, 11 + 2 + 2); if (!log_ptr) { @@ -346,6 +348,7 @@ page_zip_get_n_prev_extern( ut_ad(page_is_comp(page)); ut_ad(dict_table_is_comp(index->table)); ut_ad(dict_index_is_clust(index)); + ut_ad(!dict_index_is_ibuf(index)); heap_no = rec_get_heap_no_new(rec); ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); @@ -648,9 +651,9 @@ static void* page_zip_malloc( /*============*/ - void* opaque, - uInt items, - uInt size) + void* opaque, /* in/out: memory heap */ + uInt items, /* in: number of items to allocate */ + uInt size) /* in: size of an item in bytes */ { return(mem_heap_alloc(opaque, items * size)); } @@ -661,8 +664,8 @@ static void page_zip_free( /*==========*/ - void* opaque __attribute__((unused)), - void* address __attribute__((unused))) + void* opaque __attribute__((unused)), /* in: memory heap */ + void* address __attribute__((unused)))/* in: object to free */ { } @@ -1137,6 +1140,8 @@ page_zip_compress( ut_a(fil_page_get_type(page) == FIL_PAGE_INDEX); ut_ad(page_simple_validate_new((page_t*) page)); ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(dict_table_is_comp(index->table)); + ut_ad(!dict_index_is_ibuf(index)); UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); @@ -3169,6 +3174,8 @@ page_zip_validate( #endif /* UNIV_ZIP_DEBUG */ #ifdef UNIV_DEBUG +/************************************************************************** +Assert that the compressed and decompressed page headers match. */ static ibool page_zip_header_cmp( @@ -3795,8 +3802,8 @@ page_zip_write_trx_id_and_roll_ptr( byte* rec, /* in/out: record */ const ulint* offsets,/* in: rec_get_offsets(rec, index) */ ulint trx_id_col,/* in: column number of TRX_ID in rec */ - dulint trx_id, /* in: transaction identifier */ - dulint roll_ptr)/* in: roll_ptr */ + trx_id_t trx_id, /* in: transaction identifier */ + roll_ptr_t roll_ptr)/* in: roll_ptr */ { byte* field; byte* storage; @@ -4369,6 +4376,7 @@ page_zip_reorganize( ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); ut_ad(page_is_comp(page)); + ut_ad(!dict_index_is_ibuf(index)); /* Note that page_zip_validate(page_zip, page) may fail here. */ UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); @@ -4400,8 +4408,13 @@ page_zip_reorganize( page_copy_rec_list_end_no_locks(block, temp_block, page_get_infimum_rec(temp_page), index, mtr); - /* Copy max trx id to recreated page */ - page_set_max_trx_id(block, NULL, page_get_max_trx_id(temp_page)); + + if (!dict_index_is_clust(index) && page_is_leaf(temp_page)) { + /* Copy max trx id to recreated page */ + trx_id_t max_trx_id = page_get_max_trx_id(temp_page); + page_set_max_trx_id(block, NULL, max_trx_id, NULL); + ut_ad(!ut_dulint_is_zero(max_trx_id)); + } /* Restore logging. */ mtr_set_log_mode(mtr, log_mode); @@ -4446,6 +4459,7 @@ page_zip_copy_recs( { ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); ut_ad(mtr_memo_contains_page(mtr, (page_t*) src, MTR_MEMO_PAGE_X_FIX)); + ut_ad(!dict_index_is_ibuf(index)); #ifdef UNIV_ZIP_DEBUG /* The B-tree operations that call this function may set FIL_PAGE_PREV or PAGE_LEVEL, causing a temporary min_rec_flag @@ -4459,6 +4473,11 @@ page_zip_copy_recs( ut_a(dict_index_is_clust(index)); } + /* The PAGE_MAX_TRX_ID must be set on leaf pages of secondary + indexes. It does not matter on other pages. */ + ut_a(dict_index_is_clust(index) || !page_is_leaf(src) + || !ut_dulint_is_zero(page_get_max_trx_id(src))); + UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); UNIV_MEM_ASSERT_W(page_zip->data, page_zip_get_size(page_zip)); UNIV_MEM_ASSERT_RW(src, UNIV_PAGE_SIZE); diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 62ae3b3d09b..55272cc5c5e 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -945,7 +945,8 @@ pars_process_assign_list( if (!dict_col_get_fixed_size( dict_index_get_nth_col(clust_index, - upd_field->field_no))) { + upd_field->field_no), + dict_table_is_comp(node->table))) { changes_field_size = 0; } @@ -1554,6 +1555,7 @@ UNIV_INTERN commit_node_t* pars_commit_statement(void) /*=======================*/ + /* out, own: commit node struct */ { return(commit_node_create(pars_sym_tab_global->heap)); } @@ -1564,6 +1566,7 @@ UNIV_INTERN roll_node_t* pars_rollback_statement(void) /*=========================*/ + /* out, own: rollback node struct */ { return(roll_node_create(pars_sym_tab_global->heap)); } diff --git a/plug.in b/plug.in index 7852ffeed94..9677847ffa9 100644 --- a/plug.in +++ b/plug.in @@ -46,6 +46,16 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ irix*|osf*|sysv5uw7*|openbsd*) CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; *solaris*|*SunOS*) + # Begin Solaris atomic function checks + AC_CHECK_FUNCS(atomic_cas_ulong atomic_cas_32 \ + atomic_cas_64 atomic_add_long, + AC_DEFINE( + [HAVE_SOLARIS_ATOMICS], + [1], + [Define to 1 if Solaris supports \ + atomic functions.])) + ### End Solaris atomic function checks + CFLAGS="$CFLAGS -DUNIV_SOLARIS";; esac INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" @@ -63,12 +73,17 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ AC_TRY_RUN( [ #include + #include int main(int argc, char** argv) { pthread_t x1; pthread_t x2; pthread_t x3; + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + __sync_bool_compare_and_swap(&x1, x2, x3); return(0); @@ -83,6 +98,39 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ AC_MSG_RESULT(no) ] ) + + # Try using solaris atomics on SunOS if GCC atomics are not available + AC_CHECK_DECLS( + [HAVE_ATOMIC_PTHREAD_T], + [ + AC_MSG_NOTICE(no need to check pthread_t size) + ], + [ + AC_CHECK_DECLS( + [HAVE_SOLARIS_ATOMICS], + [ + AC_MSG_CHECKING(checking if pthread_t size is integral) + AC_TRY_RUN( + [ + #include + int main() + { + pthread_t x = 0; + return(0); + } + ], + [ + AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + [pthread_t can be used by solaris atomics]) + AC_MSG_RESULT(yes) + # size of pthread_t is needed for typed solaris atomics + AC_CHECK_SIZEOF([pthread_t], [], [#include ]) + ], + [ + AC_MSG_RESULT(no) + ]) + ]) + ]) ]) # vim: set ft=config: diff --git a/read/read0read.c b/read/read0read.c index e3e5ee5d623..2c74082ecac 100644 --- a/read/read0read.c +++ b/read/read0read.c @@ -151,7 +151,7 @@ read_view_create_low( view = mem_heap_alloc(heap, sizeof(read_view_t)); view->n_trx_ids = n; - view->trx_ids = mem_heap_alloc(heap, n * sizeof(dulint)); + view->trx_ids = mem_heap_alloc(heap, n * sizeof *view->trx_ids); return(view); } @@ -166,8 +166,9 @@ read_view_t* read_view_oldest_copy_or_open_new( /*==============================*/ /* out, own: read view struct */ - dulint cr_trx_id, /* in: trx_id of creating - transaction, or (0, 0) used in purge*/ + trx_id_t cr_trx_id, /* in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ mem_heap_t* heap) /* in: memory heap from which allocated */ { @@ -249,9 +250,9 @@ read_view_t* read_view_open_now( /*===============*/ /* out, own: read view struct */ - dulint cr_trx_id, /* in: trx_id of creating - transaction, or (0, 0) used in - purge */ + trx_id_t cr_trx_id, /* in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ mem_heap_t* heap) /* in: memory heap from which allocated */ { @@ -358,7 +359,7 @@ UNIV_INTERN void read_view_print( /*============*/ - read_view_t* view) /* in: read view */ + const read_view_t* view) /* in: read view */ { ulint n_ids; ulint i; diff --git a/rem/rem0rec.c b/rem/rem0rec.c index e0b95ab61de..d3669906eff 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -949,7 +949,7 @@ rec_convert_dtuple_to_rec_old( ut_ad(dtuple_check_typed(dtuple)); n_fields = dtuple_get_n_fields(dtuple); - data_size = dtuple_get_data_size(dtuple); + data_size = dtuple_get_data_size(dtuple, 0); ut_ad(n_fields > 0); @@ -982,7 +982,7 @@ rec_convert_dtuple_to_rec_old( if (dfield_is_null(field)) { len = dtype_get_sql_null_size( - dfield_get_type(field)); + dfield_get_type(field), 0); data_write_sql_null(rec + end_offset, len); end_offset += len; @@ -1010,7 +1010,7 @@ rec_convert_dtuple_to_rec_old( if (dfield_is_null(field)) { len = dtype_get_sql_null_size( - dfield_get_type(field)); + dfield_get_type(field), 0); data_write_sql_null(rec + end_offset, len); end_offset += len; diff --git a/row/row0merge.c b/row/row0merge.c index 0d3c9bfec0d..44e8a121525 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -2193,10 +2193,10 @@ dict_index_t* row_merge_create_index( /*===================*/ /* out: index, or NULL on error */ - trx_t* trx, /* in/out: trx (sets error_state) */ - dict_table_t* table, /* in: the index is on this table */ - const merge_index_def_t* /* in: the index definition */ - index_def) + trx_t* trx, /* in/out: trx (sets error_state) */ + dict_table_t* table, /* in: the index is on this table */ + const merge_index_def_t*index_def) + /* in: the index definition */ { dict_index_t* index; ulint err; diff --git a/row/row0mysql.c b/row/row0mysql.c index bfc6caa0f4f..594e1ca9a5a 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -30,6 +30,7 @@ Created 9/17/2000 Heikki Tuuri #endif #include "row0ins.h" +#include "row0merge.h" #include "row0sel.h" #include "row0upd.h" #include "row0row.h" @@ -561,8 +562,7 @@ handle_new_error: "InnoDB: If the mysqld server crashes" " after the startup or when\n" "InnoDB: you dump the tables, look at\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html" + "InnoDB: " REFMAN "forcing-recovery.html" " for help.\n", stderr); break; default: @@ -735,9 +735,8 @@ UNIV_INTERN void row_update_prebuilt_trx( /*====================*/ - /* out: prebuilt dtuple */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in MySQL - handle */ + row_prebuilt_t* prebuilt, /* in/out: prebuilt struct + in MySQL handle */ trx_t* trx) /* in: transaction handle */ { if (trx->magic_n != TRX_MAGIC_N) { @@ -1061,8 +1060,7 @@ row_insert_for_mysql( "InnoDB: the MySQL datadir, or have you" " used DISCARD TABLESPACE?\n" "InnoDB: Look from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: how you can resolve the problem.\n", prebuilt->table->name); return(DB_ERROR); @@ -1297,8 +1295,7 @@ row_update_for_mysql( "InnoDB: the MySQL datadir, or have you" " used DISCARD TABLESPACE?\n" "InnoDB: Look from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: how you can resolve the problem.\n", prebuilt->table->name); return(DB_ERROR); @@ -1463,9 +1460,9 @@ row_unlock_for_mysql( if (prebuilt->new_rec_locks >= 1) { - rec_t* rec; + const rec_t* rec; dict_index_t* index; - dulint rec_trx_id; + trx_id_t rec_trx_id; mtr_t mtr; mtr_start(&mtr); @@ -1494,7 +1491,7 @@ row_unlock_for_mysql( /* If the record has been modified by this transaction, do not unlock it. */ - ut_a(index->type & DICT_CLUSTERED); + ut_a(dict_index_is_clust(index)); if (index->trx_id_offset) { rec_trx_id = trx_read_trx_id(rec @@ -1619,7 +1616,9 @@ UNIV_INTERN ibool row_table_got_default_clust_index( /*==============================*/ - const dict_table_t* table) + /* out: TRUE if the clustered index + was generated automatically */ + const dict_table_t* table) /* in: table */ { const dict_index_t* clust_index; @@ -1635,7 +1634,9 @@ UNIV_INTERN ulint row_get_mysql_key_number_for_index( /*===============================*/ - const dict_index_t* index) + /* out: the key number used + inside MySQL */ + const dict_index_t* index) /* in: index */ { const dict_index_t* ind; ulint i; @@ -1913,9 +1914,8 @@ err_exit: " and DROP TABLE will\n" "InnoDB: succeed.\n" "InnoDB: You can look for further help from\n" - "InnoDB: " - "http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n", stderr); + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", + stderr); /* We may also get err == DB_ERROR if the .ibd file for the table already exists */ @@ -3082,8 +3082,7 @@ row_drop_table_for_mysql( "InnoDB: MySQL database directory" " from another database?\n" "InnoDB: You can look for further help from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n", + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", stderr); goto funct_exit; } @@ -3661,8 +3660,7 @@ row_rename_table_for_mysql( "InnoDB: MySQL database directory" " from another database?\n" "InnoDB: You can look for further help from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n", + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", stderr); goto funct_exit; } else if (table->ibd_file_missing) { @@ -3674,8 +3672,7 @@ row_rename_table_for_mysql( fputs(" does not have an .ibd file" " in the database directory.\n" "InnoDB: You can look for further help from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n", + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", stderr); goto funct_exit; } else if (new_is_tmp) { @@ -3827,8 +3824,7 @@ end: "InnoDB: Have you deleted the .frm file" " and not used DROP TABLE?\n" "InnoDB: You can look for further help from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: If table ", stderr); ut_print_name(stderr, trx, TRUE, new_name); fputs(" is a temporary table #sql..., then" @@ -3950,6 +3946,14 @@ row_scan_and_check_index( *n_rows = 0; + if (!row_merge_is_index_usable(prebuilt->trx, index)) { + /* A newly created index may lack some delete-marked + records that may exist in the read view of + prebuilt->trx. Thus, such indexes must not be + accessed by consistent read. */ + return(is_ok); + } + buf = mem_alloc(UNIV_PAGE_SIZE); heap = mem_heap_create(100); @@ -3957,6 +3961,8 @@ row_scan_and_check_index( in scanning the index entries */ prebuilt->index = index; + /* row_merge_is_index_usable() was already checked above. */ + prebuilt->index_usable = TRUE; prebuilt->sql_stat_start = TRUE; prebuilt->template_type = ROW_MYSQL_DUMMY_TEMPLATE; prebuilt->n_template = 0; @@ -3976,7 +3982,17 @@ loop: } cnt = 1000; } - if (ret != DB_SUCCESS) { + + switch (ret) { + case DB_SUCCESS: + break; + default: + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: CHECK TABLE on ", stderr); + dict_index_name_print(stderr, prebuilt->trx, index); + fprintf(stderr, " returned %lu\n", ret); + /* fall through (this error is ignored by CHECK TABLE) */ + case DB_END_OF_INDEX: func_exit: mem_free(buf); mem_heap_free(heap); @@ -4100,8 +4116,7 @@ row_check_table_for_mysql( "InnoDB: the MySQL datadir, or have you" " used DISCARD TABLESPACE?\n" "InnoDB: Look from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: how you can resolve the problem.\n", table->name); return(DB_ERROR); diff --git a/row/row0purge.c b/row/row0purge.c index b1a17433fae..efdec5d1f7a 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -591,10 +591,10 @@ row_purge_parse_undo_rec( dict_index_t* clust_index; byte* ptr; trx_t* trx; - dulint undo_no; + undo_no_t undo_no; dulint table_id; - dulint trx_id; - dulint roll_ptr; + trx_id_t trx_id; + roll_ptr_t roll_ptr; ulint info_bits; ulint type; ulint cmpl_info; @@ -690,10 +690,10 @@ row_purge( purge_node_t* node, /* in: row purge node */ que_thr_t* thr) /* in: query thread */ { - dulint roll_ptr; - ibool purge_needed; - ibool updated_extern; - trx_t* trx; + roll_ptr_t roll_ptr; + ibool purge_needed; + ibool updated_extern; + trx_t* trx; ut_ad(node && thr); diff --git a/row/row0sel.c b/row/row0sel.c index 11958c5afe7..26371868418 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -3335,8 +3335,7 @@ row_search_for_mysql( "InnoDB: the MySQL datadir, or have you used" " DISCARD TABLESPACE?\n" "InnoDB: Look from\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" "InnoDB: how you can resolve the problem.\n", prebuilt->table->name); diff --git a/row/row0uins.c b/row/row0uins.c index ce23e55bb5c..168ee71c844 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -251,7 +251,7 @@ row_undo_ins_parse_undo_rec( { dict_index_t* clust_index; byte* ptr; - dulint undo_no; + undo_no_t undo_no; dulint table_id; ulint type; ulint dummy; diff --git a/row/row0umod.c b/row/row0umod.c index 82139bd259f..048d00dc096 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -68,7 +68,7 @@ row_undo_mod_undo_also_prev_vers( /* out: TRUE if also previous modify or insert of this row should be undone */ undo_node_t* node, /* in: row undo node */ - dulint* undo_no)/* out: the undo number */ + undo_no_t* undo_no)/* out: the undo number */ { trx_undo_rec_t* undo_rec; trx_t* trx; @@ -223,7 +223,7 @@ row_undo_mod_clust( ulint err; ibool success; ibool more_vers; - dulint new_undo_no; + undo_no_t new_undo_no; ut_ad(node && thr); @@ -745,10 +745,10 @@ row_undo_mod_parse_undo_rec( { dict_index_t* clust_index; byte* ptr; - dulint undo_no; + undo_no_t undo_no; dulint table_id; - dulint trx_id; - dulint roll_ptr; + trx_id_t trx_id; + roll_ptr_t roll_ptr; ulint info_bits; ulint type; ulint cmpl_info; diff --git a/row/row0undo.c b/row/row0undo.c index d372f88e207..17e9d826134 100644 --- a/row/row0undo.c +++ b/row/row0undo.c @@ -236,10 +236,10 @@ row_undo( undo_node_t* node, /* in: row undo node */ que_thr_t* thr) /* in: query thread */ { - ulint err; - trx_t* trx; - dulint roll_ptr; - ibool locked_data_dict; + ulint err; + trx_t* trx; + roll_ptr_t roll_ptr; + ibool locked_data_dict; ut_ad(node && thr); diff --git a/row/row0upd.c b/row/row0upd.c index 80e47b37751..9bf4c8727e3 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -328,8 +328,8 @@ row_upd_rec_sys_fields_in_recovery( page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ const ulint* offsets,/* in: array returned by rec_get_offsets() */ ulint pos, /* in: TRX_ID position in rec */ - dulint trx_id, /* in: transaction id */ - dulint roll_ptr)/* in: roll ptr of the undo log record */ + trx_id_t trx_id, /* in: transaction id */ + roll_ptr_t roll_ptr)/* in: roll ptr of the undo log record */ { ut_ad(rec_offs_validate(rec, NULL, offsets)); @@ -422,7 +422,8 @@ row_upd_changes_field_size_or_external( new_len = dict_col_get_sql_null_size( dict_index_get_nth_col(index, - upd_field->field_no)); + upd_field->field_no), + 0); } old_len = rec_offs_nth_size(offsets, upd_field->field_no); @@ -507,7 +508,7 @@ row_upd_write_sys_vals_to_log( /* out: new pointer to mlog */ dict_index_t* index, /* in: clustered index */ trx_t* trx, /* in: transaction */ - dulint roll_ptr,/* in: roll ptr of the undo log record */ + roll_ptr_t roll_ptr,/* in: roll ptr of the undo log record */ byte* log_ptr,/* pointer to a buffer of size > 20 opened in mlog */ mtr_t* mtr __attribute__((unused))) /* in: mtr */ @@ -534,12 +535,12 @@ UNIV_INTERN byte* row_upd_parse_sys_vals( /*===================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint* pos, /* out: TRX_ID position in record */ - dulint* trx_id, /* out: trx id */ - dulint* roll_ptr)/* out: roll ptr */ + /* out: log data end or NULL */ + byte* ptr, /* in: buffer */ + byte* end_ptr,/* in: buffer end */ + ulint* pos, /* out: TRX_ID position in record */ + trx_id_t* trx_id, /* out: trx id */ + roll_ptr_t* roll_ptr)/* out: roll ptr */ { ptr = mach_parse_compressed(ptr, end_ptr, pos); diff --git a/row/row0vers.c b/row/row0vers.c index 3abba6d6fb8..b7024fee82d 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -64,7 +64,7 @@ row_vers_impl_x_locked_off_kernel( rec_t* clust_rec; ulint* clust_offsets; rec_t* version; - dulint trx_id; + trx_id_t trx_id; mem_heap_t* heap; mem_heap_t* heap2; dtuple_t* row; @@ -157,7 +157,7 @@ row_vers_impl_x_locked_off_kernel( rec_t* prev_version; ulint vers_del; row_ext_t* ext; - dulint prev_trx_id; + trx_id_t prev_trx_id; mutex_exit(&kernel_mutex); @@ -305,10 +305,12 @@ UNIV_INTERN ibool row_vers_must_preserve_del_marked( /*==============================*/ - /* out: TRUE if earlier version should be preserved */ - dulint trx_id, /* in: transaction id in the version */ - mtr_t* mtr) /* in: mtr holding the latch on the clustered index - record; it will also hold the latch on purge_view */ + /* out: TRUE if earlier version should + be preserved */ + trx_id_t trx_id, /* in: transaction id in the version */ + mtr_t* mtr) /* in: mtr holding the latch on the + clustered index record; it will also + hold the latch on purge_view */ { #ifdef UNIV_SYNC_DEBUG ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); @@ -499,7 +501,7 @@ row_vers_build_for_consistent_read( { const rec_t* version; rec_t* prev_version; - dulint trx_id; + trx_id_t trx_id; mem_heap_t* heap = NULL; byte* buf; ulint err; @@ -523,8 +525,8 @@ row_vers_build_for_consistent_read( for (;;) { mem_heap_t* heap2 = heap; trx_undo_rec_t* undo_rec; - dulint roll_ptr; - dulint undo_no; + roll_ptr_t roll_ptr; + undo_no_t undo_no; heap = mem_heap_create(1024); /* If we have high-granularity consistent read view and @@ -632,7 +634,7 @@ row_vers_build_for_semi_consistent_read( mem_heap_t* heap = NULL; byte* buf; ulint err; - dulint rec_trx_id = ut_dulint_zero; + trx_id_t rec_trx_id = ut_dulint_zero; ut_ad(dict_index_is_clust(index)); ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) @@ -655,7 +657,7 @@ row_vers_build_for_semi_consistent_read( trx_t* version_trx; mem_heap_t* heap2; rec_t* prev_version; - dulint version_trx_id; + trx_id_t version_trx_id; version_trx_id = row_get_rec_trx_id(version, index, *offsets); if (rec == version) { diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 005d135cb2d..934c1f25c7c 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -284,7 +284,6 @@ computer. Bigger computers need bigger values. Value 0 will disable the concurrency check. */ UNIV_INTERN ulong srv_thread_concurrency = 0; -UNIV_INTERN ulong srv_commit_concurrency = 0; /* this mutex protects srv_conc data structures */ UNIV_INTERN os_fast_mutex_t srv_conc_mutex; @@ -671,6 +670,7 @@ UNIV_INTERN ulint srv_get_n_threads(void) /*===================*/ + /* out: sum of srv_n_threads[] */ { ulint i; ulint n_threads = 0; @@ -1773,6 +1773,7 @@ Function to pass InnoDB status variables to MySQL */ UNIV_INTERN void srv_export_innodb_status(void) +/*==========================*/ { mutex_enter(&srv_innodb_monitor_mutex); @@ -1811,7 +1812,7 @@ srv_export_innodb_status(void) export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size - UT_LIST_GET_LEN(buf_pool->LRU) - UT_LIST_GET_LEN(buf_pool->free); -#ifdef HAVE_GCC_ATOMIC_BUILTINS +#ifdef HAVE_ATOMIC_BUILTINS export_vars.innodb_have_atomic_builtins = 1; #else export_vars.innodb_have_atomic_builtins = 0; diff --git a/srv/srv0start.c b/srv/srv0start.c index ef1c53b9e2b..ae74c62f9b9 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -118,20 +118,9 @@ static char* srv_monitor_file_name; #define SRV_MAX_N_PENDING_SYNC_IOS 100 -/* Avoid warnings when using purify */ - -#ifdef HAVE_purify -static int inno_bcmp(register const char *s1, register const char *s2, - register uint len) -{ - while ((len-- != 0) && (*s1++ == *s2++)) - ; - - return(len + 1); -} -#define memcmp(A,B,C) inno_bcmp((A),(B),(C)) -#endif - +/************************************************************************* +Convert a numeric string that optionally ends in G or M, to a number +containing megabytes. */ static char* srv_parse_megabytes( @@ -444,7 +433,9 @@ static os_thread_ret_t io_handler_thread( /*==============*/ - void* arg) + /* out: OS_THREAD_DUMMY_RETURN */ + void* arg) /* in: pointer to the number of the segment in + the aio array */ { ulint segment; ulint i; @@ -1079,13 +1070,29 @@ innobase_start_or_create_for_mysql(void) } #ifdef HAVE_GCC_ATOMIC_BUILTINS -#ifdef INNODB_RW_LOCKS_USE_ATOMICS +# ifdef INNODB_RW_LOCKS_USE_ATOMICS fprintf(stderr, "InnoDB: Mutexes and rw_locks use GCC atomic builtins.\n"); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ +# else /* INNODB_RW_LOCKS_USE_ATOMICS */ fprintf(stderr, "InnoDB: Mutexes use GCC atomic builtins, rw_locks do not.\n"); -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +#elif defined(HAVE_SOLARIS_ATOMICS) +# ifdef INNODB_RW_LOCKS_USE_ATOMICS + fprintf(stderr, + "InnoDB: Mutexes and rw_locks use Solaris atomic functions.\n"); +# else + fprintf(stderr, + "InnoDB: Mutexes use Solaris atomic functions.\n"); +# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +#elif HAVE_WINDOWS_ATOMICS +# ifdef INNODB_RW_LOCKS_USE_ATOMICS + fprintf(stderr, + "InnoDB: Mutexes and rw_locks use Windows interlocked functions.\n"); +# else + fprintf(stderr, + "InnoDB: Mutexes use Windows interlocked functions.\n"); +# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ #else /* HAVE_GCC_ATOMIC_BUILTINS */ fprintf(stderr, "InnoDB: Neither mutexes nor rw_locks use GCC atomic builtins.\n"); @@ -1851,8 +1858,7 @@ innobase_start_or_create_for_mysql(void) " to an earlier version of\n" "InnoDB: InnoDB! But if you absolutely need to" " downgrade, see\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "multiple-tablespaces.html\n" + "InnoDB: " REFMAN "multiple-tablespaces.html\n" "InnoDB: for instructions.\n"); } diff --git a/sync/sync0arr.c b/sync/sync0arr.c index dcf2744ac87..12c908101e9 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -856,8 +856,8 @@ sync_array_object_signalled( /*========================*/ sync_array_t* arr) /* in: wait array */ { -#ifdef HAVE_GCC_ATOMIC_BUILTINS - (void) os_atomic_increment(&arr->sg_count, 1); +#ifdef HAVE_ATOMIC_BUILTINS + (void) os_atomic_increment_ulint(&arr->sg_count, 1); #else sync_array_enter(arr); diff --git a/sync/sync0rw.c b/sync/sync0rw.c index 1f693c4d407..75875865493 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -194,6 +194,7 @@ static rw_lock_debug_t* rw_lock_debug_create(void) /*======================*/ + /* out, own: debug info struct */ { return((rw_lock_debug_t*) mem_alloc(sizeof(rw_lock_debug_t))); } @@ -329,7 +330,8 @@ UNIV_INTERN ibool rw_lock_validate( /*=============*/ - rw_lock_t* lock) + /* out: TRUE */ + rw_lock_t* lock) /* in: rw-lock */ { ut_a(lock); @@ -1010,6 +1012,7 @@ UNIV_INTERN ulint rw_lock_n_locked(void) /*==================*/ + /* out: number of locked rw-locks */ { rw_lock_t* lock; ulint count = 0; diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 209d3a784be..aed4dbadd27 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -235,9 +235,7 @@ mutex_create_func( const char* cfile_name, /* in: file name where created */ ulint cline) /* in: file line where created */ { -#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) - mutex_reset_lock_word(mutex); -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) +#if defined(HAVE_ATOMIC_BUILTINS) mutex_reset_lock_word(mutex); #else os_fast_mutex_init(&(mutex->os_fast_mutex)); @@ -327,9 +325,7 @@ mutex_free( os_event_free(mutex->event); -#if defined(_WIN32) && defined(UNIV_CAN_USE_X86_ASSEMBLER) -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) -#else +#if !defined(HAVE_ATOMIC_BUILTINS) os_fast_mutex_free(&(mutex->os_fast_mutex)); #endif /* If we free the mutex protecting the mutex list (freeing is @@ -378,7 +374,8 @@ UNIV_INTERN ibool mutex_validate( /*===========*/ - const mutex_t* mutex) + /* out: TRUE */ + const mutex_t* mutex) /* in: mutex */ { ut_a(mutex); ut_a(mutex->magic_n == MUTEX_MAGIC_N); @@ -707,6 +704,7 @@ UNIV_INTERN ulint mutex_n_reserved(void) /*==================*/ + /* out: number of reserved mutexes */ { mutex_t* mutex; ulint count = 0; @@ -739,6 +737,7 @@ UNIV_INTERN ibool sync_all_freed(void) /*================*/ + /* out: TRUE if no mutexes and rw-locks reserved */ { return(mutex_n_reserved() + rw_lock_n_locked() == 0); } diff --git a/trx/trx0purge.c b/trx/trx0purge.c index 7a2a27a94ff..87c45172b34 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -56,10 +56,11 @@ UNIV_INTERN ibool trx_purge_update_undo_must_exist( /*=============================*/ - /* out: TRUE if is sure that it is preserved, also - if the function returns FALSE, it is possible that - the undo log still exists in the system */ - dulint trx_id) /* in: transaction id */ + /* out: TRUE if is sure that it is + preserved, also if the function + returns FALSE, it is possible that the + undo log still exists in the system */ + trx_id_t trx_id) /* in: transaction id */ { #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); @@ -81,9 +82,9 @@ static trx_undo_inf_t* trx_purge_arr_store_info( /*=====================*/ - /* out: pointer to the storage cell */ - dulint trx_no, /* in: transaction number */ - dulint undo_no)/* in: undo number */ + /* out: pointer to the storage cell */ + trx_id_t trx_no, /* in: transaction number */ + undo_no_t undo_no)/* in: undo number */ { trx_undo_inf_t* cell; trx_undo_arr_t* arr; @@ -133,13 +134,13 @@ void trx_purge_arr_get_biggest( /*======================*/ trx_undo_arr_t* arr, /* in: purge array */ - dulint* trx_no, /* out: transaction number: ut_dulint_zero + trx_id_t* trx_no, /* out: transaction number: ut_dulint_zero if array is empty */ - dulint* undo_no)/* out: undo number */ + undo_no_t* undo_no)/* out: undo number */ { trx_undo_inf_t* cell; - dulint pair_trx_no; - dulint pair_undo_no; + trx_id_t pair_trx_no; + undo_no_t pair_undo_no; int trx_cmp; ulint n_used; ulint i; @@ -443,9 +444,9 @@ void trx_purge_truncate_rseg_history( /*============================*/ trx_rseg_t* rseg, /* in: rollback segment */ - dulint limit_trx_no, /* in: remove update undo logs whose + trx_id_t limit_trx_no, /* in: remove update undo logs whose trx number is < limit_trx_no */ - dulint limit_undo_no) /* in: if transaction number is equal + undo_no_t limit_undo_no) /* in: if transaction number is equal to limit_trx_no, truncate undo records with undo number < limit_undo_no */ { @@ -549,8 +550,8 @@ trx_purge_truncate_history(void) /*============================*/ { trx_rseg_t* rseg; - dulint limit_trx_no; - dulint limit_undo_no; + trx_id_t limit_trx_no; + undo_no_t limit_undo_no; ut_ad(mutex_own(&(purge_sys->mutex))); @@ -617,7 +618,7 @@ trx_purge_rseg_get_next_history_log( trx_ulogf_t* log_hdr; trx_usegf_t* seg_hdr; fil_addr_t prev_log_addr; - dulint trx_no; + trx_id_t trx_no; ibool del_marks; mtr_t mtr; @@ -718,7 +719,7 @@ trx_purge_choose_next_log(void) trx_undo_rec_t* rec; trx_rseg_t* rseg; trx_rseg_t* min_rseg; - dulint min_trx_no; + trx_id_t min_trx_no; ulint space = 0; /* remove warning (??? bug ???) */ ulint zip_size = 0; ulint page_no = 0; /* remove warning (??? bug ???) */ @@ -938,7 +939,7 @@ trx_purge_fetch_next_rec( pointer to the dummy undo log record &trx_purge_dummy_rec, if the whole undo log can skipped in purge; NULL if none left */ - dulint* roll_ptr,/* out: roll pointer to undo record */ + roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ trx_undo_inf_t** cell, /* out: storage cell for the record in the purge array */ mem_heap_t* heap) /* in: memory heap where copied */ diff --git a/trx/trx0rec.c b/trx/trx0rec.c index dfd1c7e2a67..c4d27ef8ae5 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -290,7 +290,7 @@ trx_undo_rec_get_pars( for update type records */ ibool* updated_extern, /* out: TRUE if we updated an externally stored fild */ - dulint* undo_no, /* out: undo log record number */ + undo_no_t* undo_no, /* out: undo log record number */ dulint* table_id) /* out: table id */ { byte* ptr; @@ -552,7 +552,7 @@ trx_undo_page_report_modify( ulint type_cmpl; byte* type_cmpl_ptr; ulint i; - dulint trx_id; + trx_id_t trx_id; ibool ignore_prefix = FALSE; byte ext_buf[REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE]; @@ -835,14 +835,14 @@ UNIV_INTERN byte* trx_undo_update_rec_get_sys_cols( /*=============================*/ - /* out: remaining part of undo log - record after reading these values */ - byte* ptr, /* in: remaining part of undo log - record after reading general - parameters */ - dulint* trx_id, /* out: trx id */ - dulint* roll_ptr, /* out: roll ptr */ - ulint* info_bits) /* out: info bits state */ + /* out: remaining part of undo log + record after reading these values */ + byte* ptr, /* in: remaining part of undo + log record after reading + general parameters */ + trx_id_t* trx_id, /* out: trx id */ + roll_ptr_t* roll_ptr, /* out: roll ptr */ + ulint* info_bits) /* out: info bits state */ { /* Read the state of the info bits */ *info_bits = mach_read_from_1(ptr); @@ -914,8 +914,8 @@ trx_undo_update_rec_get_update( TRX_UNDO_DEL_MARK_REC; in the last case, only trx id and roll ptr fields are added to the update vector */ - dulint trx_id, /* in: transaction id from this undo record */ - dulint roll_ptr,/* in: roll pointer from this undo record */ + trx_id_t trx_id, /* in: transaction id from this undo record */ + roll_ptr_t roll_ptr,/* in: roll pointer from this undo record */ ulint info_bits,/* in: info bits from this undo record */ trx_t* trx, /* in: transaction */ mem_heap_t* heap, /* in: memory heap from which the memory @@ -1167,7 +1167,7 @@ trx_undo_report_row_operation( const rec_t* rec, /* in: in case of an update or delete marking, the record in the clustered index, otherwise NULL */ - dulint* roll_ptr) /* out: rollback pointer to the + roll_ptr_t* roll_ptr) /* out: rollback pointer to the inserted undo log record, ut_dulint_zero if BTR_NO_UNDO_LOG flag was specified */ @@ -1337,7 +1337,7 @@ trx_undo_rec_t* trx_undo_get_undo_rec_low( /*======================*/ /* out, own: copy of the record */ - dulint roll_ptr, /* in: roll pointer to record */ + roll_ptr_t roll_ptr, /* in: roll pointer to record */ mem_heap_t* heap) /* in: memory heap where copied */ { trx_undo_rec_t* undo_rec; @@ -1377,8 +1377,8 @@ trx_undo_get_undo_rec( fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ - dulint roll_ptr, /* in: roll pointer to record */ - dulint trx_id, /* in: id of the trx that generated + roll_ptr_t roll_ptr, /* in: roll pointer to record */ + trx_id_t trx_id, /* in: id of the trx that generated the roll pointer: it points to an undo log of this transaction */ trx_undo_rec_t** undo_rec, /* out, own: copy of the record */ @@ -1432,13 +1432,13 @@ trx_undo_prev_version_build( { trx_undo_rec_t* undo_rec = NULL; dtuple_t* entry; - dulint rec_trx_id; + trx_id_t rec_trx_id; ulint type; - dulint undo_no; + undo_no_t undo_no; dulint table_id; - dulint trx_id; - dulint roll_ptr; - dulint old_roll_ptr; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + roll_ptr_t old_roll_ptr; upd_t* update; byte* ptr; ulint info_bits; diff --git a/trx/trx0roll.c b/trx/trx0roll.c index cc2fab46eec..666ca431ee5 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -198,7 +198,7 @@ trx_roll_savepoint_free( /*********************************************************************** Frees savepoint structs starting from savep, if savep == NULL then free all savepoints. */ - +UNIV_INTERN void trx_roll_savepoints_free( /*=====================*/ @@ -614,6 +614,7 @@ UNIV_INTERN trx_undo_arr_t* trx_undo_arr_create(void) /*=====================*/ + /* out, own: undo number array */ { trx_undo_arr_t* arr; mem_heap_t* heap; @@ -657,10 +658,10 @@ static ibool trx_undo_arr_store_info( /*====================*/ - /* out: FALSE if the record already existed in the - array */ - trx_t* trx, /* in: transaction */ - dulint undo_no)/* in: undo number */ + /* out: FALSE if the record already + existed in the array */ + trx_t* trx, /* in: transaction */ + undo_no_t undo_no)/* in: undo number */ { trx_undo_inf_t* cell; trx_undo_inf_t* stored_here; @@ -720,7 +721,7 @@ void trx_undo_arr_remove_info( /*=====================*/ trx_undo_arr_t* arr, /* in: undo number array */ - dulint undo_no)/* in: undo number */ + undo_no_t undo_no)/* in: undo number */ { trx_undo_inf_t* cell; ulint n_used; @@ -750,7 +751,7 @@ trx_undo_arr_remove_info( /*********************************************************************** Gets the biggest undo number in an array. */ static -dulint +undo_no_t trx_undo_arr_get_biggest( /*=====================*/ /* out: biggest value, ut_dulint_zero if @@ -759,7 +760,7 @@ trx_undo_arr_get_biggest( { trx_undo_inf_t* cell; ulint n_used; - dulint biggest; + undo_no_t biggest; ulint n; ulint i; @@ -790,11 +791,11 @@ UNIV_INTERN void trx_roll_try_truncate( /*==================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /* in/out: transaction */ { trx_undo_arr_t* arr; - dulint limit; - dulint biggest; + undo_no_t limit; + undo_no_t biggest; ut_ad(mutex_own(&(trx->undo_mutex))); ut_ad(mutex_own(&((trx->rseg)->mutex))); @@ -886,8 +887,8 @@ trx_roll_pop_top_rec_of_trx( if none left, or if the undo number of the top record would be less than the limit */ trx_t* trx, /* in: transaction */ - dulint limit, /* in: least undo number we need */ - dulint* roll_ptr,/* out: roll pointer to undo record */ + undo_no_t limit, /* in: least undo number we need */ + roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ mem_heap_t* heap) /* in: memory heap where copied */ { trx_undo_t* undo; @@ -895,7 +896,7 @@ trx_roll_pop_top_rec_of_trx( trx_undo_t* upd_undo; trx_undo_rec_t* undo_rec; trx_undo_rec_t* undo_rec_copy; - dulint undo_no; + undo_no_t undo_no; ibool is_insert; trx_rseg_t* rseg; ulint progress_pct; @@ -1013,9 +1014,9 @@ UNIV_INTERN ibool trx_undo_rec_reserve( /*=================*/ - /* out: TRUE if succeeded */ - trx_t* trx, /* in: transaction */ - dulint undo_no)/* in: undo number of the record */ + /* out: TRUE if succeeded */ + trx_t* trx, /* in/out: transaction */ + undo_no_t undo_no)/* in: undo number of the record */ { ibool ret; @@ -1034,8 +1035,8 @@ UNIV_INTERN void trx_undo_rec_release( /*=================*/ - trx_t* trx, /* in: transaction */ - dulint undo_no)/* in: undo number */ + trx_t* trx, /* in/out: transaction */ + undo_no_t undo_no)/* in: undo number */ { trx_undo_arr_t* arr; diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 1c736b1ee8c..dfa896df537 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -403,7 +403,7 @@ UNIV_INTERN void trx_sys_doublewrite_init_or_restore_pages( /*======================================*/ - ibool restore_corrupt_pages) + ibool restore_corrupt_pages) /* in: TRUE=restore pages */ { byte* buf; byte* read_buf; diff --git a/trx/trx0undo.c b/trx/trx0undo.c index cdf70a8d3d0..62582cc02c0 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -115,7 +115,7 @@ trx_undo_mem_create( ulint id, /* in: slot index within rseg */ ulint type, /* in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - dulint trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /* in: id of the trx for which the undo log is created */ const XID* xid, /* in: X/Open XA transaction identification*/ ulint page_no,/* in: undo log header page number */ @@ -129,11 +129,12 @@ static ulint trx_undo_insert_header_reuse( /*=========================*/ - /* out: undo log header byte offset on page */ - page_t* undo_page, /* in: insert undo log segment header page, - x-latched */ - dulint trx_id, /* in: transaction id */ - mtr_t* mtr); /* in: mtr */ + /* out: undo log header byte + offset on page */ + page_t* undo_page, /* in/out: insert undo log segment + header page, x-latched */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr); /* in: mtr */ /************************************************************************** If an update undo log can be discarded immediately, this function frees the space, resetting the page to the proper state for caching. */ @@ -514,9 +515,9 @@ UNIV_INLINE void trx_undo_header_create_log( /*=======================*/ - page_t* undo_page, /* in: undo log header page */ - dulint trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + const page_t* undo_page, /* in: undo log header page */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_CREATE, mtr); @@ -534,13 +535,14 @@ static ulint trx_undo_header_create( /*===================*/ - /* out: header byte offset on page */ - page_t* undo_page, /* in: undo log segment header page, - x-latched; it is assumed that there are - TRX_UNDO_LOG_XA_HDR_SIZE bytes free space - on it */ - dulint trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + /* out: header byte offset on page */ + page_t* undo_page, /* in/out: undo log segment + header page, x-latched; it is + assumed that there is + TRX_UNDO_LOG_XA_HDR_SIZE bytes + free space on it */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in: mtr */ { trx_upagef_t* page_hdr; trx_usegf_t* seg_hdr; @@ -685,9 +687,9 @@ UNIV_INLINE void trx_undo_insert_header_reuse_log( /*=============================*/ - page_t* undo_page, /* in: undo log header page */ - dulint trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + const page_t* undo_page, /* in: undo log header page */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_REUSE, mtr); @@ -710,7 +712,7 @@ trx_undo_parse_page_header( page_t* page, /* in: page or NULL */ mtr_t* mtr) /* in: mtr or NULL */ { - dulint trx_id; + trx_id_t trx_id; ptr = mach_dulint_parse_compressed(ptr, end_ptr, &trx_id); @@ -739,11 +741,12 @@ static ulint trx_undo_insert_header_reuse( /*=========================*/ - /* out: undo log header byte offset on page */ - page_t* undo_page, /* in: insert undo log segment header page, - x-latched */ - dulint trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + /* out: undo log header byte + offset on page */ + page_t* undo_page, /* in/out: insert undo log segment + header page, x-latched */ + trx_id_t trx_id, /* in: transaction id */ + mtr_t* mtr) /* in: mtr */ { trx_upagef_t* page_hdr; trx_usegf_t* seg_hdr; @@ -1064,7 +1067,7 @@ trx_undo_truncate_end( /*==================*/ trx_t* trx, /* in: transaction whose undo log it is */ trx_undo_t* undo, /* in: undo log */ - dulint limit) /* in: all undo records with undo number + undo_no_t limit) /* in: all undo records with undo number >= this value should be truncated */ { page_t* undo_page; @@ -1137,15 +1140,17 @@ UNIV_INTERN void trx_undo_truncate_start( /*====================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - ulint space, /* in: space id of the log */ - ulint hdr_page_no, /* in: header page number */ - ulint hdr_offset, /* in: header offset on the page */ - dulint limit) /* in: all undo pages with undo numbers < - this value should be truncated; NOTE that - the function only frees whole pages; the - header page is not freed, but emptied, if - all the records there are < limit */ + trx_rseg_t* rseg, /* in: rollback segment */ + ulint space, /* in: space id of the log */ + ulint hdr_page_no, /* in: header page number */ + ulint hdr_offset, /* in: header offset on the page */ + undo_no_t limit) /* in: all undo pages with + undo numbers < this value + should be truncated; NOTE that + the function only frees whole + pages; the header page is not + freed, but emptied, if all the + records there are < limit */ { page_t* undo_page; trx_undo_rec_t* rec; @@ -1270,7 +1275,7 @@ trx_undo_mem_create_at_db_start( trx_undo_t* undo; ulint type; ulint state; - dulint trx_id; + trx_id_t trx_id; ulint offset; fil_addr_t last_addr; page_t* last_page; @@ -1443,7 +1448,7 @@ trx_undo_mem_create( ulint id, /* in: slot index within rseg */ ulint type, /* in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - dulint trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /* in: id of the trx for which the undo log is created */ const XID* xid, /* in: X/Open transaction identification */ ulint page_no,/* in: undo log header page number */ @@ -1498,7 +1503,7 @@ void trx_undo_mem_init_for_reuse( /*========================*/ trx_undo_t* undo, /* in: undo log to init */ - dulint trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /* in: id of the trx for which the undo log is created */ const XID* xid, /* in: X/Open XA transaction identification*/ ulint offset) /* in: undo log header byte offset on page */ @@ -1557,7 +1562,7 @@ trx_undo_create( trx_rseg_t* rseg, /* in: rollback segment memory copy */ ulint type, /* in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - dulint trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /* in: id of the trx for which the undo log is created */ const XID* xid, /* in: X/Open transaction identification*/ trx_undo_t** undo, /* out: the new undo log object, undefined @@ -1627,7 +1632,7 @@ trx_undo_reuse_cached( trx_rseg_t* rseg, /* in: rollback segment memory object */ ulint type, /* in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - dulint trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /* in: id of the trx for which the undo log is used */ const XID* xid, /* in: X/Open XA transaction identification */ mtr_t* mtr) /* in: mtr */ diff --git a/ut/ut0auxconf.c b/ut/ut0auxconf.c deleted file mode 100644 index fd9433d16f6..00000000000 --- a/ut/ut0auxconf.c +++ /dev/null @@ -1,13 +0,0 @@ -#include - -int -main(int argc, char** argv) -{ - pthread_t x1; - pthread_t x2; - pthread_t x3; - - __sync_bool_compare_and_swap(&x1, x2, x3); - - return(0); -} diff --git a/ut/ut0auxconf_atomic_pthread_t_gcc.c b/ut/ut0auxconf_atomic_pthread_t_gcc.c new file mode 100644 index 00000000000..30de5aa6f17 --- /dev/null +++ b/ut/ut0auxconf_atomic_pthread_t_gcc.c @@ -0,0 +1,43 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles, then pthread_t objects can be used as arguments +to GCC atomic builtin functions. + +Created March 5, 2009 Vasil Dimov +*****************************************************************************/ + +#include +#include + +int +main(int argc, char** argv) +{ + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); +} diff --git a/ut/ut0auxconf_atomic_pthread_t_solaris.c b/ut/ut0auxconf_atomic_pthread_t_solaris.c new file mode 100644 index 00000000000..a18a537d1d4 --- /dev/null +++ b/ut/ut0auxconf_atomic_pthread_t_solaris.c @@ -0,0 +1,34 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles, then pthread_t objects can be used as arguments +to Solaris libc atomic functions. + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ + +#include + +int +main(int argc, char** argv) +{ + pthread_t x = 0; + + return(0); +} diff --git a/ut/ut0auxconf_have_solaris_atomics.c b/ut/ut0auxconf_have_solaris_atomics.c new file mode 100644 index 00000000000..7eb704edd4b --- /dev/null +++ b/ut/ut0auxconf_have_solaris_atomics.c @@ -0,0 +1,39 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles, then Solaris libc atomic funcions are available. + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ +#include + +int +main(int argc, char** argv) +{ + ulong_t ulong = 0; + uint32_t uint32 = 0; + uint64_t uint64 = 0; + + atomic_cas_ulong(&ulong, 0, 1); + atomic_cas_32(&uint32, 0, 1); + atomic_cas_64(&uint64, 0, 1); + atomic_add_long(&ulong, 0); + + return(0); +} diff --git a/ut/ut0auxconf_sizeof_pthread_t.c b/ut/ut0auxconf_sizeof_pthread_t.c new file mode 100644 index 00000000000..96add4526ef --- /dev/null +++ b/ut/ut0auxconf_sizeof_pthread_t.c @@ -0,0 +1,35 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +This program should compile and when run, print a single line like: +#define SIZEOF_PTHREAD_T %d + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ + +#include +#include + +int +main(int argc, char** argv) +{ + printf("#define SIZEOF_PTHREAD_T %d\n", (int) sizeof(pthread_t)); + + return(0); +} diff --git a/ut/ut0byte.c b/ut/ut0byte.c index 5e11e37d0b6..d80ba932c38 100644 --- a/ut/ut0byte.c +++ b/ut/ut0byte.c @@ -41,8 +41,12 @@ UNIV_INTERN const dulint ut_dulint_max = {0xFFFFFFFFUL, 0xFFFFFFFFUL}; Sort function for dulint arrays. */ UNIV_INTERN void -ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high) -/*===============================================================*/ +ut_dulint_sort( +/*===========*/ + dulint* arr, /* in/out: array to be sorted */ + dulint* aux_arr,/* in/out: auxiliary array (same size as arr) */ + ulint low, /* in: low bound of sort interval, inclusive */ + ulint high) /* in: high bound of sort interval, noninclusive */ { UT_SORT_FUNCTION_BODY(ut_dulint_sort, arr, aux_arr, low, high, ut_dulint_cmp); diff --git a/ut/ut0dbg.c b/ut/ut0dbg.c index 983ee5835e4..8fe9a9813f8 100644 --- a/ut/ut0dbg.c +++ b/ut/ut0dbg.c @@ -78,8 +78,7 @@ ut_dbg_assertion_failed( " or crashes, even\n" "InnoDB: immediately after the mysqld startup, there may be\n" "InnoDB: corruption in the InnoDB tablespace. Please refer to\n" - "InnoDB: http://dev.mysql.com/doc/refman/5.1/en/" - "forcing-recovery.html\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" "InnoDB: about forcing recovery.\n", stderr); #if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) ut_dbg_stop_threads = TRUE; diff --git a/ut/ut0ut.c b/ut/ut0ut.c index 016df3a0af5..ef5c06bea03 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -116,6 +116,7 @@ UNIV_INTERN ib_time_t ut_time(void) /*=========*/ + /* out: system time */ { return(time(NULL)); } @@ -551,13 +552,15 @@ ut_copy_file( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** -snprintf(). */ - #ifdef __WIN__ -#include +# include +/************************************************************************** +A substitute for snprintf(3), formatted output conversion into +a limited buffer. */ +UNIV_INTERN int ut_snprintf( +/*========*/ /* out: number of characters that would have been printed if the size were unlimited, not including the terminating diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index a5c14ac8130..967f7fa9eeb 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -77,6 +77,7 @@ Wait for a work item to appear in the queue. */ UNIV_INTERN void* ib_wqueue_wait( +/*===========*/ /* out: work item */ ib_wqueue_t* wq) /* in: work queue */ { diff --git a/win-plugin/README b/win-plugin/README index 9182f2c555c..00f4e996a3f 100644 --- a/win-plugin/README +++ b/win-plugin/README @@ -13,9 +13,6 @@ When applying the patch, the following files will be modified: * CMakeLists.txt * sql/CMakeLists.txt * win/configure.js - * win/build-vs71.bat - * win/build-vs8.bat - * win/build-vs8_x64.bat Also, two new files will be added: diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff index 6547217ea42..4b3354ac4de 100644 --- a/win-plugin/win-plugin.diff +++ b/win-plugin/win-plugin.diff @@ -33,11 +33,11 @@ diff -Nur sql/CMakeLists.txt.orig sql/CMakeLists.txt IF(EMBED_MANIFESTS) MYSQL_EMBED_MANIFEST("mysqld" "asInvoker") ENDIF(EMBED_MANIFESTS) - + diff -Nur sql/mysqld.def.orig sql/mysqld.def --- sql/mysqld.def.orig 1969-12-31 18:00:00 -06:00 -+++ sql/mysqld.def 2008-10-31 02:20:32 -05:00 -@@ -0,0 +1,98 @@ ++++ sql/mysqld.def 2009-04-09 02:20:32 -05:00 +@@ -0,0 +1,111 @@ +EXPORTS + ?use_hidden_primary_key@handler@@UAEXXZ + ?get_dynamic_partition_info@handler@@UAEXPAUPARTITION_INFO@@I@Z @@ -136,11 +136,24 @@ diff -Nur sql/mysqld.def.orig sql/mysqld.def + pthread_cond_destroy + localtime_r + my_strdup ++ deflate ++ deflateEnd ++ deflateReset ++ deflateInit2_ ++ inflateEnd ++ inflateInit_ ++ inflate ++ compressBound ++ inflateInit2_ ++ adler32 ++ longlong2str ++ strend ++ my_snprintf diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def --- sql/mysqld_x64.def.orig 1969-12-31 18:00:00 -06:00 -+++ sql/mysqld_x64.def 2008-10-31 02:22:04 -05:00 -@@ -0,0 +1,98 @@ ++++ sql/mysqld_x64.def 2009-04-09 02:22:04 -05:00 +@@ -0,0 +1,111 @@ +EXPORTS + ?use_hidden_primary_key@handler@@UEAAXXZ + ?get_dynamic_partition_info@handler@@UEAAXPEAUPARTITION_INFO@@I@Z @@ -239,6 +252,19 @@ diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def + pthread_cond_destroy + localtime_r + my_strdup ++ deflate ++ deflateEnd ++ deflateReset ++ deflateInit2_ ++ inflateEnd ++ inflateInit_ ++ inflate ++ compressBound ++ inflateInit2_ ++ adler32 ++ longlong2str ++ strend ++ my_snprintf diff -Nur win/configure.js.orig win/configure.js --- win/configure.js.orig 2008-09-26 21:18:37 -05:00 @@ -251,68 +277,3 @@ diff -Nur win/configure.js.orig win/configure.js configfile.WriteLine("SET (" + args.Item(i) + " TRUE)"); break; case "MYSQL_SERVER_SUFFIX": - -diff -Nur win/build-vs71.bat.orig win/build-vs71.bat ---- win/build-vs71.bat.orig 2008-08-20 10:21:59 -05:00 -+++ win/build-vs71.bat 2008-10-27 10:52:38 -05:00 -@@ -15,8 +15,10 @@ - REM along with this program; if not, write to the Free Software - REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -+REM CMAKE_BUILD_TYPE can be specified as Release or Debug -+ - if exist cmakecache.txt del cmakecache.txt - copy win\vs71cache.txt cmakecache.txt --cmake -G "Visual Studio 7 .NET 2003" -+cmake -G "Visual Studio 7 .NET 2003" -DCMAKE_BUILD_TYPE=%1 - copy cmakecache.txt win\vs71cache.txt - -diff -Nur win/build-vs8.bat.orig win/build-vs8.bat ---- win/build-vs8.bat.orig 2008-08-20 10:21:59 -05:00 -+++ win/build-vs8.bat 2008-10-27 10:52:31 -05:00 -@@ -15,7 +15,9 @@ - REM along with this program; if not, write to the Free Software - REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -+REM CMAKE_BUILD_TYPE can be specified as Release or Debug -+ - if exist cmakecache.txt del cmakecache.txt - copy win\vs8cache.txt cmakecache.txt --cmake -G "Visual Studio 8 2005" -+cmake -G "Visual Studio 8 2005" -DCMAKE_BUILD_TYPE=%1 - copy cmakecache.txt win\vs8cache.txt - -diff -Nur win/build-vs8_x64.bat.orig win/build-vs8_x64.bat ---- win/build-vs8_x64.bat.orig 2008-08-20 10:21:59 -05:00 -+++ win/build-vs8_x64.bat 2008-10-27 10:53:11 -05:00 -@@ -15,7 +15,9 @@ - REM along with this program; if not, write to the Free Software - REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -+REM CMAKE_BUILD_TYPE can be specified as Release or Debug -+ - if exist cmakecache.txt del cmakecache.txt - copy win\vs8cache.txt cmakecache.txt --cmake -G "Visual Studio 8 2005 Win64" -+cmake -G "Visual Studio 8 2005 Win64" -DCMAKE_BUILD_TYPE=%1 - copy cmakecache.txt win\vs8cache.txt - -diff -Nur old/build-vs9.bat new/build-vs9.bat ---- win/build-vs9.bat.orig 2008-11-17 14:07:18 -06:00 -+++ win/build-vs9.bat 2009-03-21 03:45:34 -05:00 -@@ -14,5 +14,5 @@ - REM You should have received a copy of the GNU General Public License - REM along with this program; if not, write to the Free Software - REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA --cmake -G "Visual Studio 9 2008" -+cmake -G "Visual Studio 9 2008" -DCMAKE_BUILD_TYPE=%1 - -diff -Nur old/build-vs9_x64.bat new/build-vs9_x64.bat ---- win/build-vs9_x64.bat.orig 2008-11-17 14:07:18 -06:00 -+++ win/build-vs9_x64.bat 2009-03-21 03:45:42 -05:00 -@@ -14,5 +14,5 @@ - REM You should have received a copy of the GNU General Public License - REM along with this program; if not, write to the Free Software - REM Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA --cmake -G "Visual Studio 9 2008 Win64" -+cmake -G "Visual Studio 9 2008 Win64" -DCMAKE_BUILD_TYPE=%1 From 4456ded85f6c69d8eb2294def79950da40fefed4 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 25 May 2009 06:22:15 +0000 Subject: [PATCH 137/400] branches/innodb+: rbt_remove_node_and_rebalance(): Remove bogus out: comment. --- ut/ut0rbt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/ut/ut0rbt.c b/ut/ut0rbt.c index ce3ca5dc82f..26cc58c61ee 100644 --- a/ut/ut0rbt.c +++ b/ut/ut0rbt.c @@ -660,7 +660,6 @@ static void rbt_remove_node_and_rebalance( /*==========================*/ - /* out: NONE */ ib_rbt_t* tree, /* in: rb tree */ ib_rbt_node_t* node) /* in: node to remove */ { From e6c01608beda7725a981dbf0d494d257f8259bcc Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 25 May 2009 06:46:10 +0000 Subject: [PATCH 138/400] branches/innodb+: Merge revisions 5090:5091 from branches/zip: (Ran doxygenify.pl conversion locally, then merged and checked consistency.) ------------------------------------------------------------------------ r5091 | marko | 2009-05-25 09:30:14 +0300 (Mon, 25 May 2009) | 33 lines branches/zip: Convert the function comments to Doxygen format. This patch was created by running the following commands: for i in */*[ch]; do doxygenify.pl $i; done perl -i -pe 's#\*{3} \*/$#****/#' */*[ch] where doxygenify.pl is https://svn.innodb.com/svn/misc/trunk/tools/doxygenify.pl r510 Verified the consistency as follows: (0) not too many /* in: */ or /* out: */ comments left in the code: grep -l '/\*\s*\(in\|out\)[,:/]' */*[ch] (1) no difference when ignoring blank lines, after stripping all C90-style /* comments */, including multi-line ones, before and after applying this patch: perl -i -e 'undef $/;while(){s#/\*(.*?)\*/##gs;print}' */*[ch] diff -I'^\s*$' --exclude .svn -ru TREE1 TREE2 (2) after stripping @return comments and !<, generated a diff and omitted the hunks where /* out: */ function return comments were removed: perl -i -e'undef $/;while(){s#!<##g;s#\n\@return\t.*?\*/# \*/#gs;print}'\ */*[ch] svn diff| perl -e 'undef $/;$_=<>;s#\n-\s*/\* out[:,]([^\n]*?)(\n-[^\n]*?)*\*/##gs;print' Some unintended changes were left. These will be removed in a subsequent patch. ------------------------------------------------------------------------ --- btr/btr0btr.c | 471 +++++++------- btr/btr0cur.c | 676 ++++++++++---------- btr/btr0pcur.c | 61 +- btr/btr0sea.c | 117 ++-- buf/buf0buddy.c | 68 +- buf/buf0buf.c | 317 +++++---- buf/buf0flu.c | 102 ++- buf/buf0lru.c | 123 ++-- buf/buf0rea.c | 78 +-- data/data0data.c | 85 ++- data/data0type.c | 51 +- dict/dict0boot.c | 19 +- dict/dict0crea.c | 175 +++-- dict/dict0dict.c | 662 +++++++++---------- dict/dict0load.c | 87 ++- dict/dict0mem.c | 64 +- dyn/dyn0dyn.c | 6 +- eval/eval0eval.c | 42 +- eval/eval0proc.c | 36 +- fil/fil0fil.c | 511 +++++++-------- fsp/fsp0fsp.c | 760 +++++++++++----------- fut/fut0lst.c | 68 +- ha/ha0ha.c | 65 +- ha/ha0storage.c | 14 +- ha/hash0hash.c | 26 +- handler/ha_innodb.cc | 1204 +++++++++++++++++------------------ handler/ha_innodb.h | 16 +- handler/handler0alter.cc | 104 +-- handler/i_s.cc | 192 +++--- handler/win_delay_loader.cc | 126 ++-- ibuf/ibuf0ibuf.c | 552 ++++++++-------- include/btr0btr.h | 306 +++++---- include/btr0btr.ic | 102 +-- include/btr0cur.h | 396 ++++++------ include/btr0cur.ic | 67 +- include/btr0pcur.h | 227 ++++--- include/btr0pcur.ic | 168 +++-- include/btr0sea.h | 68 +- include/btr0sea.ic | 14 +- include/buf0buddy.h | 13 +- include/buf0buddy.ic | 33 +- include/buf0buf.h | 539 ++++++++-------- include/buf0buf.ic | 293 +++++---- include/buf0flu.h | 49 +- include/buf0flu.ic | 14 +- include/buf0lru.h | 61 +- include/buf0rea.h | 41 +- include/data0data.h | 247 ++++--- include/data0data.ic | 172 +++-- include/data0type.h | 189 +++--- include/data0type.ic | 140 ++-- include/dict0boot.h | 27 +- include/dict0boot.ic | 14 +- include/dict0crea.h | 59 +- include/dict0dict.h | 701 ++++++++++---------- include/dict0dict.ic | 287 ++++----- include/dict0load.h | 36 +- include/dict0mem.h | 52 +- include/dyn0dyn.h | 72 +-- include/dyn0dyn.ic | 78 +-- include/eval0eval.h | 38 +- include/eval0eval.ic | 52 +- include/eval0proc.h | 48 +- include/eval0proc.ic | 12 +- include/fil0fil.h | 309 +++++---- include/fsp0fsp.h | 210 +++--- include/fsp0fsp.ic | 8 +- include/fut0fut.h | 15 +- include/fut0fut.ic | 15 +- include/fut0lst.h | 120 ++-- include/fut0lst.ic | 58 +- include/ha0ha.h | 81 ++- include/ha0ha.ic | 71 +-- include/ha0storage.h | 32 +- include/ha0storage.ic | 20 +- include/ha_prototypes.h | 153 +++-- include/handler0alter.h | 10 +- include/hash0hash.h | 92 +-- include/hash0hash.ic | 64 +- include/ibuf0ibuf.h | 142 ++--- include/ibuf0ibuf.ic | 57 +- include/lock0iter.h | 12 +- include/lock0lock.h | 445 ++++++------- include/lock0lock.ic | 35 +- include/lock0priv.h | 15 +- include/lock0priv.ic | 6 +- include/log0log.h | 253 ++++---- include/log0log.ic | 112 ++-- include/log0recv.h | 98 ++- include/log0recv.ic | 8 +- include/mach0data.h | 228 ++++--- include/mach0data.ic | 206 +++--- include/mem0dbg.h | 40 +- include/mem0dbg.ic | 30 +- include/mem0mem.h | 160 +++-- include/mem0mem.ic | 138 ++-- include/mem0pool.h | 34 +- include/mtr0log.h | 163 +++-- include/mtr0log.ic | 52 +- include/mtr0mtr.h | 113 ++-- include/mtr0mtr.ic | 71 +-- include/os0file.h | 337 +++++----- include/os0proc.h | 16 +- include/os0sync.h | 69 +- include/os0sync.ic | 8 +- include/os0thread.h | 50 +- include/page0cur.h | 215 +++---- include/page0cur.ic | 101 ++- include/page0page.h | 593 +++++++++-------- include/page0page.ic | 325 +++++----- include/page0types.h | 26 +- include/page0zip.h | 277 ++++---- include/page0zip.ic | 82 ++- include/pars0opt.h | 14 +- include/pars0pars.h | 381 ++++++----- include/pars0sym.h | 60 +- include/que0que.h | 156 +++-- include/que0que.ic | 69 +- include/read0read.h | 40 +- include/read0read.ic | 22 +- include/rem0cmp.h | 145 ++--- include/rem0cmp.ic | 42 +- include/rem0rec.h | 504 ++++++++------- include/rem0rec.ic | 476 +++++++------- include/row0ext.h | 40 +- include/row0ext.ic | 26 +- include/row0ins.h | 53 +- include/row0merge.h | 100 ++- include/row0mysql.h | 290 ++++----- include/row0purge.h | 25 +- include/row0row.h | 193 +++--- include/row0row.ic | 28 +- include/row0sel.h | 110 ++-- include/row0sel.ic | 16 +- include/row0uins.h | 6 +- include/row0umod.h | 8 +- include/row0undo.h | 24 +- include/row0upd.h | 231 ++++--- include/row0upd.ic | 50 +- include/row0vers.h | 73 +-- include/srv0que.h | 11 +- include/srv0srv.h | 63 +- include/srv0start.h | 29 +- include/sync0arr.h | 43 +- include/sync0rw.h | 146 +++-- include/sync0rw.ic | 128 ++-- include/sync0sync.h | 94 ++- include/sync0sync.ic | 43 +- include/thr0loc.h | 16 +- include/trx0i_s.h | 50 +- include/trx0purge.h | 41 +- include/trx0purge.ic | 6 +- include/trx0rec.h | 220 +++---- include/trx0rec.ic | 38 +- include/trx0roll.h | 152 +++-- include/trx0roll.ic | 8 +- include/trx0rseg.h | 91 ++- include/trx0rseg.ic | 53 +- include/trx0sys.h | 166 +++-- include/trx0sys.ic | 101 ++- include/trx0trx.h | 185 +++--- include/trx0trx.ic | 32 +- include/trx0undo.h | 260 ++++---- include/trx0undo.ic | 122 ++-- include/usr0sess.h | 10 +- include/ut0byte.h | 165 +++-- include/ut0byte.ic | 157 +++-- include/ut0dbg.h | 10 +- include/ut0list.h | 60 +- include/ut0list.ic | 12 +- include/ut0lst.h | 2 +- include/ut0mem.h | 126 ++-- include/ut0mem.ic | 33 +- include/ut0rbt.h | 151 ++--- include/ut0rnd.h | 66 +- include/ut0rnd.ic | 60 +- include/ut0ut.h | 164 +++-- include/ut0ut.ic | 60 +- include/ut0vec.h | 36 +- include/ut0vec.ic | 28 +- include/ut0wqueue.h | 18 +- lock/lock0iter.c | 12 +- lock/lock0lock.c | 945 +++++++++++++-------------- log/log0log.c | 247 ++++--- log/log0recv.c | 258 ++++---- mach/mach0data.c | 22 +- mem/mem0dbg.c | 76 +-- mem/mem0mem.c | 93 ++- mem/mem0pool.c | 73 ++- mtr/mtr0log.c | 111 ++-- mtr/mtr0mtr.c | 50 +- os/os0file.c | 508 +++++++-------- os/os0proc.c | 16 +- os/os0sync.c | 66 +- os/os0thread.c | 50 +- page/page0cur.c | 199 +++--- page/page0page.c | 306 +++++---- page/page0zip.c | 609 +++++++++--------- pars/pars0opt.c | 155 +++-- pars/pars0pars.c | 447 +++++++------ pars/pars0sym.c | 60 +- que/que0que.c | 129 ++-- read/read0read.c | 40 +- rem/rem0cmp.c | 171 +++-- rem/rem0rec.c | 223 ++++--- row/row0ext.c | 22 +- row/row0ins.c | 296 ++++----- row/row0merge.c | 421 ++++++------ row/row0mysql.c | 374 ++++++----- row/row0purge.c | 97 ++- row/row0row.c | 199 +++--- row/row0sel.c | 413 ++++++------ row/row0uins.c | 33 +- row/row0umod.c | 120 ++-- row/row0undo.c | 33 +- row/row0upd.c | 354 +++++----- row/row0vers.c | 73 +-- srv/srv0que.c | 11 +- srv/srv0srv.c | 87 ++- srv/srv0start.c | 87 ++- sync/sync0arr.c | 114 ++-- sync/sync0rw.c | 105 ++- sync/sync0sync.c | 134 ++-- thr/thr0loc.c | 22 +- trx/trx0i_s.c | 206 +++--- trx/trx0purge.c | 80 ++- trx/trx0rec.c | 306 +++++---- trx/trx0roll.c | 186 +++--- trx/trx0rseg.c | 52 +- trx/trx0sys.c | 81 ++- trx/trx0trx.c | 171 +++-- trx/trx0undo.c | 439 ++++++------- usr/usr0sess.c | 14 +- ut/ut0byte.c | 8 +- ut/ut0dbg.c | 10 +- ut/ut0list.c | 48 +- ut/ut0mem.c | 93 ++- ut/ut0rbt.c | 256 ++++---- ut/ut0rnd.c | 6 +- ut/ut0ut.c | 111 ++-- ut/ut0vec.c | 12 +- ut/ut0wqueue.c | 18 +- 242 files changed, 16187 insertions(+), 17477 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index a537fbcefb5..ce81fdc7a3e 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -98,14 +98,14 @@ we allocate pages for the non-leaf levels of the tree. #ifdef UNIV_BTR_DEBUG /****************************************************************** -Checks a file segment header within a B-tree root page. */ +Checks a file segment header within a B-tree root page. +@return TRUE if valid */ static ibool btr_root_fseg_validate( /*===================*/ - /* out: TRUE if valid */ - const fseg_header_t* seg_header, /* in: segment header */ - ulint space) /* in: tablespace identifier */ + const fseg_header_t* seg_header, /*!< in: segment header */ + ulint space) /*!< in: tablespace identifier */ { ulint offset = mach_read_from_2(seg_header + FSEG_HDR_OFFSET); @@ -117,14 +117,14 @@ btr_root_fseg_validate( #endif /* UNIV_BTR_DEBUG */ /****************************************************************** -Gets the root node of a tree and x-latches it. */ +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ static buf_block_t* btr_root_block_get( /*===============*/ - /* out: root page, x-latched */ - dict_index_t* index, /* in: index tree */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ { ulint space; ulint zip_size; @@ -153,28 +153,28 @@ btr_root_block_get( } /****************************************************************** -Gets the root node of a tree and x-latches it. */ +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ UNIV_INTERN page_t* btr_root_get( /*=========*/ - /* out: root page, x-latched */ - dict_index_t* index, /* in: index tree */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ { return(buf_block_get_frame(btr_root_block_get(index, mtr))); } /***************************************************************** Gets pointer to the previous user record in the tree. It is assumed that -the caller has appropriate latches on the page and its neighbor. */ +the caller has appropriate latches on the page and its neighbor. +@return previous user record, NULL if there is none */ UNIV_INTERN rec_t* btr_get_prev_user_rec( /*==================*/ - /* out: previous user record, NULL if there is none */ - rec_t* rec, /* in: record on leaf level */ - mtr_t* mtr) /* in: mtr holding a latch on the page, and if + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if needed, also to the previous page */ { page_t* page; @@ -225,14 +225,14 @@ btr_get_prev_user_rec( /***************************************************************** Gets pointer to the next user record in the tree. It is assumed that the -caller has appropriate latches on the page and its neighbor. */ +caller has appropriate latches on the page and its neighbor. +@return next user record, NULL if there is none */ UNIV_INTERN rec_t* btr_get_next_user_rec( /*==================*/ - /* out: next user record, NULL if there is none */ - rec_t* rec, /* in: record on leaf level */ - mtr_t* mtr) /* in: mtr holding a latch on the page, and if + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if needed, also to the next page */ { page_t* page; @@ -286,11 +286,11 @@ static void btr_page_create( /*============*/ - buf_block_t* block, /* in/out: page to be created */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dict_index_t* index, /* in: index */ - ulint level, /* in: the B-tree level of the page */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in/out: page to be created */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page = buf_block_get_frame(block); @@ -311,14 +311,14 @@ btr_page_create( /****************************************************************** Allocates a new file page to be used in an ibuf tree. Takes the page from -the free list of the tree, which must contain pages! */ +the free list of the tree, which must contain pages! +@return new allocated block, x-latched */ static buf_block_t* btr_page_alloc_for_ibuf( /*====================*/ - /* out: new allocated block, x-latched */ - dict_index_t* index, /* in: index tree */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ { fil_addr_t node_addr; page_t* root; @@ -348,20 +348,19 @@ btr_page_alloc_for_ibuf( /****************************************************************** Allocates a new file page to be used in an index tree. NOTE: we assume -that the caller has made the reservation for free extents! */ +that the caller has made the reservation for free extents! +@return new allocated block, x-latched; NULL if out of space */ UNIV_INTERN buf_block_t* btr_page_alloc( /*===========*/ - /* out: new allocated block, x-latched; - NULL if out of space */ - dict_index_t* index, /* in: index */ - ulint hint_page_no, /* in: hint of a good page */ - byte file_direction, /* in: direction where a possible + dict_index_t* index, /*!< in: index */ + ulint hint_page_no, /*!< in: hint of a good page */ + byte file_direction, /*!< in: direction where a possible page split is made */ - ulint level, /* in: level where the page is placed + ulint level, /*!< in: level where the page is placed in the tree */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { fseg_header_t* seg_header; page_t* root; @@ -401,14 +400,14 @@ btr_page_alloc( } /****************************************************************** -Gets the number of pages in a B-tree. */ +Gets the number of pages in a B-tree. +@return number of pages */ UNIV_INTERN ulint btr_get_size( /*=========*/ - /* out: number of pages */ - dict_index_t* index, /* in: index */ - ulint flag) /* in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ + dict_index_t* index, /*!< in: index */ + ulint flag) /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ { fseg_header_t* seg_header; page_t* root; @@ -451,9 +450,9 @@ static void btr_page_free_for_ibuf( /*===================*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: block to be freed, x-latched */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr) /*!< in: mtr */ { page_t* root; @@ -476,10 +475,10 @@ UNIV_INTERN void btr_page_free_low( /*==============*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: block to be freed, x-latched */ - ulint level, /* in: page level */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + ulint level, /*!< in: page level */ + mtr_t* mtr) /*!< in: mtr */ { fseg_header_t* seg_header; page_t* root; @@ -517,9 +516,9 @@ UNIV_INTERN void btr_page_free( /*==========*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: block to be freed, x-latched */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr) /*!< in: mtr */ { ulint level; @@ -534,12 +533,12 @@ UNIV_INLINE void btr_node_ptr_set_child_page_no( /*===========================*/ - rec_t* rec, /* in: node pointer record */ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + rec_t* rec, /*!< in: node pointer record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint page_no,/* in: child node address */ - mtr_t* mtr) /* in: mtr */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint page_no,/*!< in: child node address */ + mtr_t* mtr) /*!< in: mtr */ { byte* field; ulint len; @@ -564,16 +563,16 @@ btr_node_ptr_set_child_page_no( } /**************************************************************** -Returns the child page of a node pointer and x-latches it. */ +Returns the child page of a node pointer and x-latches it. +@return child page, x-latched */ static buf_block_t* btr_node_ptr_get_child( /*===================*/ - /* out: child page, x-latched */ - const rec_t* node_ptr,/* in: node pointer */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - mtr_t* mtr) /* in: mtr */ + const rec_t* node_ptr,/*!< in: node pointer */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr */ { ulint page_no; ulint space; @@ -588,19 +587,18 @@ btr_node_ptr_get_child( /**************************************************************** Returns the upper level node pointer to a page. It is assumed that mtr holds -an x-latch on the tree. */ +an x-latch on the tree. +@return rec_get_offsets() of the node pointer record */ static ulint* btr_page_get_father_node_ptr( /*=========================*/ - /* out: rec_get_offsets() of the - node pointer record */ - ulint* offsets,/* in: work area for the return value */ - mem_heap_t* heap, /* in: memory heap to use */ - btr_cur_t* cursor, /* in: cursor pointing to user record, + ulint* offsets,/*!< in: work area for the return value */ + mem_heap_t* heap, /*!< in: memory heap to use */ + btr_cur_t* cursor, /*!< in: cursor pointing to user record, out: cursor on node pointer record, its page x-latched */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; dtuple_t* tuple; @@ -676,19 +674,18 @@ btr_page_get_father_node_ptr( /**************************************************************** Returns the upper level node pointer to a page. It is assumed that mtr holds -an x-latch on the tree. */ +an x-latch on the tree. +@return rec_get_offsets() of the node pointer record */ static ulint* btr_page_get_father_block( /*======================*/ - /* out: rec_get_offsets() of the - node pointer record */ - ulint* offsets,/* in: work area for the return value */ - mem_heap_t* heap, /* in: memory heap to use */ - dict_index_t* index, /* in: b-tree index */ - buf_block_t* block, /* in: child page in the index */ - mtr_t* mtr, /* in: mtr */ - btr_cur_t* cursor) /* out: cursor on node pointer record, + ulint* offsets,/*!< in: work area for the return value */ + mem_heap_t* heap, /*!< in: memory heap to use */ + dict_index_t* index, /*!< in: b-tree index */ + buf_block_t* block, /*!< in: child page in the index */ + mtr_t* mtr, /*!< in: mtr */ + btr_cur_t* cursor) /*!< out: cursor on node pointer record, its page x-latched */ { rec_t* rec @@ -705,10 +702,10 @@ static void btr_page_get_father( /*================*/ - dict_index_t* index, /* in: b-tree index */ - buf_block_t* block, /* in: child page in the index */ - mtr_t* mtr, /* in: mtr */ - btr_cur_t* cursor) /* out: cursor on node pointer record, + dict_index_t* index, /*!< in: b-tree index */ + buf_block_t* block, /*!< in: child page in the index */ + mtr_t* mtr, /*!< in: mtr */ + btr_cur_t* cursor) /*!< out: cursor on node pointer record, its page x-latched */ { mem_heap_t* heap; @@ -723,20 +720,19 @@ btr_page_get_father( } /**************************************************************** -Creates the root node for a new index tree. */ +Creates the root node for a new index tree. +@return page number of the created root, FIL_NULL if did not succeed */ UNIV_INTERN ulint btr_create( /*=======*/ - /* out: page number of the created root, - FIL_NULL if did not succeed */ - ulint type, /* in: type of the index */ - ulint space, /* in: space where created */ - ulint zip_size,/* in: compressed page size in bytes + ulint type, /*!< in: type of the index */ + ulint space, /*!< in: space where created */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - dulint index_id,/* in: index id */ - dict_index_t* index, /* in: index */ - mtr_t* mtr) /* in: mini-transaction handle */ + dulint index_id,/*!< in: index id */ + dict_index_t* index, /*!< in: index */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint page_no; buf_block_t* block; @@ -848,10 +844,10 @@ UNIV_INTERN void btr_free_but_not_root( /*==================*/ - ulint space, /* in: space where created */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint root_page_no) /* in: root page number */ + ulint root_page_no) /*!< in: root page number */ { ibool finished; page_t* root; @@ -904,11 +900,11 @@ UNIV_INTERN void btr_free_root( /*==========*/ - ulint space, /* in: space where created */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint root_page_no, /* in: root page number */ - mtr_t* mtr) /* in: a mini-transaction which has already + ulint root_page_no, /*!< in: root page number */ + mtr_t* mtr) /*!< in: a mini-transaction which has already been started */ { buf_block_t* block; @@ -933,14 +929,14 @@ static ibool btr_page_reorganize_low( /*====================*/ - ibool recovery,/* in: TRUE if called in recovery: + ibool recovery,/*!< in: TRUE if called in recovery: locks should not be updated, i.e., there cannot exist locks on the page, and a hash index should not be dropped: it cannot exist */ - buf_block_t* block, /* in: page to be reorganized */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page = buf_block_get_frame(block); page_zip_des_t* page_zip = buf_block_get_page_zip(block); @@ -1070,33 +1066,33 @@ Reorganizes an index page. IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the -modification will be redo-logged. */ +modification will be redo-logged. +@return TRUE on success, FALSE on failure */ UNIV_INTERN ibool btr_page_reorganize( /*================*/ - /* out: TRUE on success, FALSE on failure */ - buf_block_t* block, /* in: page to be reorganized */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { return(btr_page_reorganize_low(FALSE, block, index, mtr)); } #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of reorganizing a page. */ +Parses a redo log record of reorganizing a page. +@return end of log record or NULL */ UNIV_INTERN byte* btr_parse_page_reorganize( /*======================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ + byte* ptr, /*!< in: buffer */ byte* end_ptr __attribute__((unused)), - /* in: buffer end */ - dict_index_t* index, /* in: record descriptor */ - buf_block_t* block, /* in: page to be reorganized, or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + /*!< in: buffer end */ + dict_index_t* index, /*!< in: record descriptor */ + buf_block_t* block, /*!< in: page to be reorganized, or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ut_ad(ptr && end_ptr); @@ -1111,16 +1107,16 @@ btr_parse_page_reorganize( #ifndef UNIV_HOTBACKUP /***************************************************************** -Empties an index page. @see btr_page_create().*/ +Empties an index page. @see btr_page_create(). */ static void btr_page_empty( /*===========*/ - buf_block_t* block, /* in: page to be emptied */ - page_zip_des_t* page_zip,/* out: compressed page, or NULL */ - dict_index_t* index, /* in: index of the page */ - ulint level, /* in: the B-tree level of the page */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: page to be emptied */ + page_zip_des_t* page_zip,/*!< out: compressed page, or NULL */ + dict_index_t* index, /*!< in: index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page = buf_block_get_frame(block); @@ -1150,19 +1146,19 @@ Makes tree one level higher by splitting the root, and inserts the tuple. It is assumed that mtr contains an x-latch on the tree. NOTE that the operation of this function must always succeed, we cannot reverse it: therefore enough free disk space must be -guaranteed to be available before this function is called. */ +guaranteed to be available before this function is called. +@return inserted record */ UNIV_INTERN rec_t* btr_root_raise_and_insert( /*======================*/ - /* out: inserted record */ - btr_cur_t* cursor, /* in: cursor at which to insert: must be + btr_cur_t* cursor, /*!< in: cursor at which to insert: must be on the root page; when the function returns, the cursor is positioned on the predecessor of the inserted record */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr) /* in: mtr */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; page_t* root; @@ -1319,14 +1315,14 @@ btr_root_raise_and_insert( /***************************************************************** Decides if the page should be split at the convergence point of inserts -converging to the left. */ +converging to the left. +@return TRUE if split recommended */ UNIV_INTERN ibool btr_page_get_split_rec_to_left( /*===========================*/ - /* out: TRUE if split recommended */ - btr_cur_t* cursor, /* in: cursor at which to insert */ - rec_t** split_rec) /* out: if split recommended, + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec) /*!< out: if split recommended, the first record on upper half page, or NULL if tuple to be inserted should be first */ @@ -1364,14 +1360,14 @@ btr_page_get_split_rec_to_left( /***************************************************************** Decides if the page should be split at the convergence point of inserts -converging to the right. */ +converging to the right. +@return TRUE if split recommended */ UNIV_INTERN ibool btr_page_get_split_rec_to_right( /*============================*/ - /* out: TRUE if split recommended */ - btr_cur_t* cursor, /* in: cursor at which to insert */ - rec_t** split_rec) /* out: if split recommended, + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec) /*!< out: if split recommended, the first record on upper half page, or NULL if tuple to be inserted should be first */ @@ -1423,16 +1419,15 @@ split_at_new: /***************************************************************** Calculates a split record such that the tuple will certainly fit on its half-page when the split is performed. We assume in this function -only that the cursor page has at least one user record. */ +only that the cursor page has at least one user record. +@return split record, or NULL if tuple will be the first record on upper half-page */ static rec_t* btr_page_get_sure_split_rec( /*========================*/ - /* out: split record, or NULL if tuple - will be the first record on upper half-page */ - btr_cur_t* cursor, /* in: cursor at which insert should be made */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext) /* in: number of externally stored columns */ + btr_cur_t* cursor, /*!< in: cursor at which insert should be made */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext) /*!< in: number of externally stored columns */ { page_t* page; page_zip_des_t* page_zip; @@ -1542,22 +1537,22 @@ func_exit: /***************************************************************** Returns TRUE if the insert fits on the appropriate half-page with the -chosen split_rec. */ +chosen split_rec. +@return TRUE if fits */ static ibool btr_page_insert_fits( /*=================*/ - /* out: TRUE if fits */ - btr_cur_t* cursor, /* in: cursor at which insert + btr_cur_t* cursor, /*!< in: cursor at which insert should be made */ - const rec_t* split_rec,/* in: suggestion for first record + const rec_t* split_rec,/*!< in: suggestion for first record on upper half-page, or NULL if tuple to be inserted should be first */ - const ulint* offsets,/* in: rec_get_offsets( + const ulint* offsets,/*!< in: rec_get_offsets( split_rec, cursor->index) */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext, /* in: number of externally stored columns */ - mem_heap_t* heap) /* in: temporary memory heap */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mem_heap_t* heap) /*!< in: temporary memory heap */ { page_t* page; ulint insert_size; @@ -1644,10 +1639,10 @@ UNIV_INTERN void btr_insert_on_non_leaf_level( /*=========================*/ - dict_index_t* index, /* in: index */ - ulint level, /* in: level, must be > 0 */ - dtuple_t* tuple, /* in: the record to be inserted */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: level, must be > 0 */ + dtuple_t* tuple, /*!< in: the record to be inserted */ + mtr_t* mtr) /*!< in: mtr */ { big_rec_t* dummy_big_rec; btr_cur_t cursor; @@ -1675,13 +1670,13 @@ static void btr_attach_half_pages( /*==================*/ - dict_index_t* index, /* in: the index tree */ - buf_block_t* block, /* in/out: page to be split */ - rec_t* split_rec, /* in: first record on upper + dict_index_t* index, /*!< in: the index tree */ + buf_block_t* block, /*!< in/out: page to be split */ + rec_t* split_rec, /*!< in: first record on upper half page */ - buf_block_t* new_block, /* in/out: the new half page */ - ulint direction, /* in: FSP_UP or FSP_DOWN */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: the new half page */ + ulint direction, /*!< in: FSP_UP or FSP_DOWN */ + mtr_t* mtr) /*!< in: mtr */ { ulint space; ulint zip_size; @@ -1809,20 +1804,18 @@ that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is released within this function! NOTE that the operation of this function must always succeed, we cannot reverse it: therefore enough free disk space must be guaranteed to be available before -this function is called. */ +this function is called. +@return inserted record; NOTE: the tree x-latch is released! NOTE: 2 free disk pages must be available! */ UNIV_INTERN rec_t* btr_page_split_and_insert( /*======================*/ - /* out: inserted record; NOTE: the tree - x-latch is released! NOTE: 2 free disk - pages must be available! */ - btr_cur_t* cursor, /* in: cursor at which to insert; when the + btr_cur_t* cursor, /*!< in: cursor at which to insert; when the function returns, the cursor is positioned on the predecessor of the inserted record */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr) /* in: mtr */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; page_t* page; @@ -2180,11 +2173,11 @@ static void btr_level_list_remove( /*==================*/ - ulint space, /* in: space where removed */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space where removed */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - page_t* page, /* in: page to remove */ - mtr_t* mtr) /* in: mtr */ + page_t* page, /*!< in: page to remove */ + mtr_t* mtr) /*!< in: mtr */ { ulint prev_page_no; ulint next_page_no; @@ -2241,9 +2234,9 @@ UNIV_INLINE void btr_set_min_rec_mark_log( /*=====================*/ - rec_t* rec, /* in: record */ - byte type, /* in: MLOG_COMP_REC_MIN_MARK or MLOG_REC_MIN_MARK */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record */ + byte type, /*!< in: MLOG_COMP_REC_MIN_MARK or MLOG_REC_MIN_MARK */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_initial_log_record(rec, type, mtr); @@ -2256,17 +2249,17 @@ btr_set_min_rec_mark_log( /******************************************************************** Parses the redo log record for setting an index record as the predefined -minimum record. */ +minimum record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_parse_set_min_rec_mark( /*=======================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint comp, /* in: nonzero=compact page format */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { rec_t* rec; @@ -2292,8 +2285,8 @@ UNIV_INTERN void btr_set_min_rec_mark( /*=================*/ - rec_t* rec, /* in: record */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record */ + mtr_t* mtr) /*!< in: mtr */ { ulint info_bits; @@ -2319,9 +2312,9 @@ UNIV_INTERN void btr_node_ptr_delete( /*================*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: page whose node pointer is deleted */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page whose node pointer is deleted */ + mtr_t* mtr) /*!< in: mtr */ { btr_cur_t cursor; ibool compressed; @@ -2348,12 +2341,12 @@ static void btr_lift_page_up( /*=============*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: page which is the only on its level; + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page which is the only on its level; must not be empty: use btr_discard_only_page_on_level if the last record from the page should be removed */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* father_block; page_t* father_page; @@ -2471,17 +2464,17 @@ conditions, looks at the right brother. If the page is the only one on that level lifts the records of the page to the father page, thus reducing the tree height. It is assumed that mtr holds an x-latch on the tree and on the page. If cursor is on the leaf level, mtr must also hold x-latches to the -brothers, if they exist. */ +brothers, if they exist. +@return TRUE on success */ UNIV_INTERN ibool btr_compress( /*=========*/ - /* out: TRUE on success */ - btr_cur_t* cursor, /* in: cursor on the page to merge or lift; + btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; the page must not be empty: in record delete use btr_discard_page if the page would become empty */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; ulint space; @@ -2764,9 +2757,9 @@ static void btr_discard_only_page_on_level( /*===========================*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: page which is the only on its level */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page which is the only on its level */ + mtr_t* mtr) /*!< in: mtr */ { ulint page_level = 0; trx_id_t max_trx_id; @@ -2836,9 +2829,9 @@ UNIV_INTERN void btr_discard_page( /*=============*/ - btr_cur_t* cursor, /* in: cursor on the page to discard: not on + btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on the root page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; ulint space; @@ -2943,7 +2936,7 @@ UNIV_INTERN void btr_print_size( /*===========*/ - dict_index_t* index) /* in: index tree */ + dict_index_t* index) /*!< in: index tree */ { page_t* root; fseg_header_t* seg; @@ -2982,13 +2975,13 @@ static void btr_print_recursive( /*================*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: index page */ - ulint width, /* in: print this many entries from start + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + ulint width, /*!< in: print this many entries from start and end */ - mem_heap_t** heap, /* in/out: heap for rec_get_offsets() */ - ulint** offsets,/* in/out: buffer for rec_get_offsets() */ - mtr_t* mtr) /* in: mtr */ + mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ + ulint** offsets,/*!< in/out: buffer for rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr */ { const page_t* page = buf_block_get_frame(block); page_cur_t cursor; @@ -3044,8 +3037,8 @@ UNIV_INTERN void btr_print_index( /*============*/ - dict_index_t* index, /* in: index */ - ulint width) /* in: print this many entries from start + dict_index_t* index, /*!< in: index */ + ulint width) /*!< in: print this many entries from start and end */ { mtr_t mtr; @@ -3075,15 +3068,15 @@ btr_print_index( #ifdef UNIV_DEBUG /**************************************************************** -Checks that the node pointer to a page is appropriate. */ +Checks that the node pointer to a page is appropriate. +@return TRUE */ UNIV_INTERN ibool btr_check_node_ptr( /*===============*/ - /* out: TRUE */ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: index page */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + mtr_t* mtr) /*!< in: mtr */ { mem_heap_t* heap; dtuple_t* tuple; @@ -3124,9 +3117,9 @@ static void btr_index_rec_validate_report( /*==========================*/ - const page_t* page, /* in: index page */ - const rec_t* rec, /* in: index record */ - const dict_index_t* index) /* in: index */ + const page_t* page, /*!< in: index page */ + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index) /*!< in: index */ { fputs("InnoDB: Record in ", stderr); dict_index_name_print(stderr, NULL, index); @@ -3136,15 +3129,15 @@ btr_index_rec_validate_report( /**************************************************************** Checks the size and number of fields in a record based on the definition of -the index. */ +the index. +@return TRUE if ok */ UNIV_INTERN ibool btr_index_rec_validate( /*===================*/ - /* out: TRUE if ok */ - const rec_t* rec, /* in: index record */ - const dict_index_t* index, /* in: index */ - ibool dump_on_error) /* in: TRUE if the function + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index, /*!< in: index */ + ibool dump_on_error) /*!< in: TRUE if the function should print hex dump of record and page on error */ { @@ -3245,14 +3238,14 @@ btr_index_rec_validate( /**************************************************************** Checks the size and number of fields in records based on the definition of -the index. */ +the index. +@return TRUE if ok */ static ibool btr_index_page_validate( /*====================*/ - /* out: TRUE if ok */ - buf_block_t* block, /* in: index page */ - dict_index_t* index) /* in: index */ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index) /*!< in: index */ { page_cur_t cur; ibool ret = TRUE; @@ -3283,9 +3276,9 @@ static void btr_validate_report1( /*=================*/ - dict_index_t* index, /* in: index */ - ulint level, /* in: B-tree level */ - const buf_block_t* block) /* in: index page */ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: B-tree level */ + const buf_block_t* block) /*!< in: index page */ { fprintf(stderr, "InnoDB: Error in page %lu of ", buf_block_get_page_no(block)); @@ -3302,10 +3295,10 @@ static void btr_validate_report2( /*=================*/ - const dict_index_t* index, /* in: index */ - ulint level, /* in: B-tree level */ - const buf_block_t* block1, /* in: first index page */ - const buf_block_t* block2) /* in: second index page */ + const dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: B-tree level */ + const buf_block_t* block1, /*!< in: first index page */ + const buf_block_t* block2) /*!< in: second index page */ { fprintf(stderr, "InnoDB: Error in pages %lu and %lu of ", buf_block_get_page_no(block1), @@ -3318,15 +3311,15 @@ btr_validate_report2( } /**************************************************************** -Validates index tree level. */ +Validates index tree level. +@return TRUE if ok */ static ibool btr_validate_level( /*===============*/ - /* out: TRUE if ok */ - dict_index_t* index, /* in: index tree */ - trx_t* trx, /* in: transaction or NULL */ - ulint level) /* in: level number */ + dict_index_t* index, /*!< in: index tree */ + trx_t* trx, /*!< in: transaction or NULL */ + ulint level) /*!< in: level number */ { ulint space; ulint zip_size; @@ -3664,14 +3657,14 @@ node_ptr_fails: } /****************************************************************** -Checks the consistency of an index tree. */ +Checks the consistency of an index tree. +@return TRUE if ok */ UNIV_INTERN ibool btr_validate_index( /*===============*/ - /* out: TRUE if ok */ - dict_index_t* index, /* in: index */ - trx_t* trx) /* in: transaction or NULL */ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction or NULL */ { mtr_t mtr; page_t* root; diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 4fc78e8d6a3..2e78a289af7 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -114,12 +114,12 @@ static void btr_cur_unmark_extern_fields( /*=========================*/ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - rec_t* rec, /* in/out: record in a clustered index */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - mtr_t* mtr); /* in: mtr, or NULL if not logged */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ /*********************************************************************** Adds path information to the cursor for the current page, for which the binary search has been performed. */ @@ -127,10 +127,10 @@ static void btr_cur_add_path_info( /*==================*/ - btr_cur_t* cursor, /* in: cursor positioned on a page */ - ulint height, /* in: height of the page in tree; + btr_cur_t* cursor, /*!< in: cursor positioned on a page */ + ulint height, /*!< in: height of the page in tree; 0 means leaf node */ - ulint root_height); /* in: root node height in tree */ + ulint root_height); /*!< in: root node height in tree */ /*************************************************************** Frees the externally stored fields for a record, if the field is mentioned in the update vector. */ @@ -138,15 +138,15 @@ static void btr_rec_free_updated_extern_fields( /*===============================*/ - dict_index_t* index, /* in: index of rec; the index tree MUST be + dict_index_t* index, /*!< in: index of rec; the index tree MUST be X-latched */ - rec_t* rec, /* in: record */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + rec_t* rec, /*!< in: record */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - const upd_t* update, /* in: update vector */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr); /* in: mini-transaction handle which contains + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mini-transaction handle which contains an X-latch to record page and to the tree */ /*************************************************************** Frees the externally stored fields for a record. */ @@ -154,26 +154,25 @@ static void btr_rec_free_externally_stored_fields( /*==================================*/ - dict_index_t* index, /* in: index of the data, the index + dict_index_t* index, /*!< in: index of the data, the index tree MUST be X-latched */ - rec_t* rec, /* in: record */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr); /* in: mini-transaction handle which contains + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mini-transaction handle which contains an X-latch to record page and to the index tree */ /*************************************************************** -Gets the externally stored size of a record, in units of a database page. */ +Gets the externally stored size of a record, in units of a database page. +@return externally stored part, in units of a database page */ static ulint btr_rec_get_externally_stored_len( /*==============================*/ - /* out: externally stored part, - in units of a database page */ - rec_t* rec, /* in: record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #endif /* !UNIV_HOTBACKUP */ /********************************************************** @@ -182,9 +181,9 @@ UNIV_INLINE void btr_rec_set_deleted_flag( /*=====================*/ - rec_t* rec, /* in/out: physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page (or NULL) */ - ulint flag) /* in: nonzero if delete marked */ + rec_t* rec, /*!< in/out: physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page (or NULL) */ + ulint flag) /*!< in: nonzero if delete marked */ { if (page_rec_is_comp(rec)) { rec_set_deleted_flag_new(rec, page_zip, flag); @@ -203,15 +202,15 @@ static void btr_cur_latch_leaves( /*=================*/ - page_t* page, /* in: leaf page where the search + page_t* page, /*!< in: leaf page where the search converged */ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the leaf */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /* in: cursor */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number of the leaf */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in: cursor */ + mtr_t* mtr) /*!< in: mtr */ { ulint mode; ulint left_page_no; @@ -317,15 +316,15 @@ UNIV_INTERN void btr_cur_search_to_nth_level( /*========================*/ - dict_index_t* index, /* in: index */ - ulint level, /* in: the tree level of search */ - const dtuple_t* tuple, /* in: data tuple; NOTE: n_fields_cmp in + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the tree level of search */ + const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in tuple must be set so that it cannot get compared to the node ptr page number field! */ - ulint mode, /* in: PAGE_CUR_L, ...; + ulint mode, /*!< in: PAGE_CUR_L, ...; Inserts should always be made using PAGE_CUR_LE to search the position! */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ..., ORed with + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with BTR_INSERT and BTR_ESTIMATE; cursor->left_block is used to store a pointer to the left neighbor page, in the cases @@ -335,12 +334,12 @@ btr_cur_search_to_nth_level( on the cursor page, we assume the caller uses his search latch to protect the record! */ - btr_cur_t* cursor, /* in/out: tree cursor; the cursor page is + btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is s- or x-latched, but see also above! */ - ulint has_search_latch,/* in: info on the latch mode the + ulint has_search_latch,/*!< in: info on the latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; buf_block_t* block; @@ -808,12 +807,12 @@ UNIV_INTERN void btr_cur_open_at_index_side( /*=======================*/ - ibool from_left, /* in: TRUE if open to the low end, + ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: latch mode */ - btr_cur_t* cursor, /* in: cursor */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_cur_t* cursor, /*!< in: cursor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; ulint page_no; @@ -939,10 +938,10 @@ UNIV_INTERN void btr_cur_open_at_rnd_pos( /*====================*/ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /* in/out: B-tree cursor */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; ulint page_no; @@ -1021,19 +1020,18 @@ btr_cur_open_at_rnd_pos( Inserts a record if there is enough space, or if enough space can be freed by reorganizing. Differs from btr_cur_optimistic_insert because no heuristics is applied to whether it pays to use CPU time for -reorganizing the page or not. */ +reorganizing the page or not. +@return pointer to inserted record if succeed, else NULL */ static rec_t* btr_cur_insert_if_possible( /*=======================*/ - /* out: pointer to inserted record if succeed, - else NULL */ - btr_cur_t* cursor, /* in: cursor on page after which to insert; + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; cursor stays valid */ - const dtuple_t* tuple, /* in: tuple to insert; the size info need not + const dtuple_t* tuple, /*!< in: tuple to insert; the size info need not have been stored to tuple */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr) /* in: mtr */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; buf_block_t* block; @@ -1067,21 +1065,20 @@ btr_cur_insert_if_possible( } /***************************************************************** -For an insert, checks the locks and does the undo logging if desired. */ +For an insert, checks the locks and does the undo logging if desired. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ UNIV_INLINE ulint btr_cur_ins_lock_and_undo( /*======================*/ - /* out: DB_SUCCESS, DB_WAIT_LOCK, - DB_FAIL, or error number */ - ulint flags, /* in: undo logging and locking flags: if + ulint flags, /*!< in: undo logging and locking flags: if not zero, the parameters index and thr should be specified */ - btr_cur_t* cursor, /* in: cursor on page after which to insert */ - const dtuple_t* entry, /* in: entry to insert */ - que_thr_t* thr, /* in: query thread or NULL */ - mtr_t* mtr, /* in/out: mini-transaction */ - ibool* inherit)/* out: TRUE if the inserted new record maybe + btr_cur_t* cursor, /*!< in: cursor on page after which to insert */ + const dtuple_t* entry, /*!< in: entry to insert */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit)/*!< out: TRUE if the inserted new record maybe should inherit LOCK_GAP type locks from the successor record */ { @@ -1135,9 +1132,9 @@ static void btr_cur_trx_report( /*===============*/ - trx_t* trx, /* in: transaction */ - const dict_index_t* index, /* in: index */ - const char* op) /* in: operation */ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index, /*!< in: index */ + const char* op) /*!< in: operation */ { fprintf(stderr, "Trx with id " TRX_ID_FMT " going to ", TRX_ID_PREP_PRINTF(trx->id)); @@ -1152,27 +1149,26 @@ Tries to perform an insert to a page in an index tree, next to cursor. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page. If there is just one record on the page, the insert will always succeed; this is to -prevent trying to split a page with just one record. */ +prevent trying to split a page with just one record. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ UNIV_INTERN ulint btr_cur_optimistic_insert( /*======================*/ - /* out: DB_SUCCESS, DB_WAIT_LOCK, - DB_FAIL, or error number */ - ulint flags, /* in: undo logging and locking flags: if not + ulint flags, /*!< in: undo logging and locking flags: if not zero, the parameters index and thr should be specified */ - btr_cur_t* cursor, /* in: cursor on page after which to insert; + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; cursor stays valid */ - dtuple_t* entry, /* in/out: entry to insert */ - rec_t** rec, /* out: pointer to inserted record if + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if succeed */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - ulint n_ext, /* in: number of externally stored columns */ - que_thr_t* thr, /* in: query thread or NULL */ - mtr_t* mtr) /* in: mtr; if this function returns + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr) /*!< in: mtr; if this function returns DB_SUCCESS on a leaf page of a secondary index in a compressed tablespace, the mtr must be committed before latching @@ -1428,29 +1424,29 @@ fail_err: Performs an insert on a page of an index tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the insert is made on the leaf level, to avoid deadlocks, mtr must also own x-latches -to brothers of page, if those brothers exist. */ +to brothers of page, if those brothers exist. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint btr_cur_pessimistic_insert( /*=======================*/ - /* out: DB_SUCCESS or error number */ - ulint flags, /* in: undo logging and locking flags: if not + ulint flags, /*!< in: undo logging and locking flags: if not zero, the parameter thr should be specified; if no undo logging is specified, then the caller must have reserved enough free extents in the file space so that the insertion will certainly succeed */ - btr_cur_t* cursor, /* in: cursor after which to insert; + btr_cur_t* cursor, /*!< in: cursor after which to insert; cursor stays valid */ - dtuple_t* entry, /* in/out: entry to insert */ - rec_t** rec, /* out: pointer to inserted record if + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if succeed */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - ulint n_ext, /* in: number of externally stored columns */ - que_thr_t* thr, /* in: query thread or NULL */ - mtr_t* mtr) /* in: mtr */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index = cursor->index; ulint zip_size = dict_table_zip_size(index->table); @@ -1570,21 +1566,20 @@ btr_cur_pessimistic_insert( /*==================== B-TREE UPDATE =========================*/ /***************************************************************** -For an update, checks the locks and does the undo logging. */ +For an update, checks the locks and does the undo logging. +@return DB_SUCCESS, DB_WAIT_LOCK, or error number */ UNIV_INLINE ulint btr_cur_upd_lock_and_undo( /*======================*/ - /* out: DB_SUCCESS, DB_WAIT_LOCK, or error - number */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor on record to update */ - const upd_t* update, /* in: update vector */ - ulint cmpl_info,/* in: compiler info on secondary index + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on record to update */ + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr, /* in/out: mini-transaction */ - roll_ptr_t* roll_ptr)/* out: roll pointer */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + roll_ptr_t* roll_ptr)/*!< out: roll pointer */ { dict_index_t* index; rec_t* rec; @@ -1640,13 +1635,13 @@ UNIV_INLINE void btr_cur_update_in_place_log( /*========================*/ - ulint flags, /* in: flags */ - rec_t* rec, /* in: record */ - dict_index_t* index, /* in: index where cursor positioned */ - const upd_t* update, /* in: update vector */ - trx_t* trx, /* in: transaction */ - roll_ptr_t roll_ptr, /* in: roll ptr */ - mtr_t* mtr) /* in: mtr */ + ulint flags, /*!< in: flags */ + rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index where cursor positioned */ + const upd_t* update, /*!< in: update vector */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr, /*!< in: roll ptr */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; page_t* page = page_align(rec); @@ -1684,17 +1679,17 @@ btr_cur_update_in_place_log( #endif /* UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of updating a record in-place. */ +Parses a redo log record of updating a record in-place. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_update_in_place( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dict_index_t* index) /* in: index corresponding to page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index) /*!< in: index corresponding to page */ { ulint flags; rec_t* rec; @@ -1764,19 +1759,19 @@ func_exit: #ifndef UNIV_HOTBACKUP /***************************************************************** See if there is enough place in the page modification log to log -an update-in-place. */ +an update-in-place. +@return TRUE if enough place */ static ibool btr_cur_update_alloc_zip( /*=====================*/ - /* out: TRUE if enough place */ - page_zip_des_t* page_zip,/* in/out: compressed page */ - buf_block_t* block, /* in/out: buffer page */ - dict_index_t* index, /* in: the index corresponding to the block */ - ulint length, /* in: size needed */ - ibool create, /* in: TRUE=delete-and-insert, + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + buf_block_t* block, /*!< in/out: buffer page */ + dict_index_t* index, /*!< in: the index corresponding to the block */ + ulint length, /*!< in: size needed */ + ibool create, /*!< in: TRUE=delete-and-insert, FALSE=update-in-place */ - mtr_t* mtr) /* in: mini-transaction */ + mtr_t* mtr) /*!< in: mini-transaction */ { ut_a(page_zip == buf_block_get_page_zip(block)); ut_ad(page_zip); @@ -1824,21 +1819,21 @@ btr_cur_update_alloc_zip( /***************************************************************** Updates a record when the update causes no size changes in its fields. -We assume here that the ordering fields of the record do not change. */ +We assume here that the ordering fields of the record do not change. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint btr_cur_update_in_place( /*====================*/ - /* out: DB_SUCCESS or error number */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor on the record to update; + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; cursor stays valid and positioned on the same record */ - const upd_t* update, /* in: update vector */ - ulint cmpl_info,/* in: compiler info on secondary index + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before latching any further pages */ { dict_index_t* index; @@ -1949,26 +1944,22 @@ Tries to update a record on a page in an index tree. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page or if the update would result in too empty a page, so that tree compression is recommended. We assume here that the ordering -fields of the record do not change. */ +fields of the record do not change. +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if there is not enough space left on the compressed page */ UNIV_INTERN ulint btr_cur_optimistic_update( /*======================*/ - /* out: DB_SUCCESS, or DB_OVERFLOW if the - updated record does not fit, DB_UNDERFLOW - if the page would become too empty, or - DB_ZIP_OVERFLOW if there is not enough - space left on the compressed page */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor on the record to update; + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; cursor stays valid and positioned on the same record */ - const upd_t* update, /* in: update vector; this must also + const upd_t* update, /*!< in: update vector; this must also contain trx id and roll ptr fields */ - ulint cmpl_info,/* in: compiler info on secondary index + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before latching any further pages */ { dict_index_t* index; @@ -2164,9 +2155,9 @@ static void btr_cur_pess_upd_restore_supremum( /*==============================*/ - buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: updated record */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: updated record */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; buf_block_t* prev_block; @@ -2207,25 +2198,25 @@ Performs an update of a record on a page of a tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the update is made on the leaf level, to avoid deadlocks, mtr must also own x-latches to brothers of page, if those brothers exist. We assume -here that the ordering fields of the record do not change. */ +here that the ordering fields of the record do not change. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint btr_cur_pessimistic_update( /*=======================*/ - /* out: DB_SUCCESS or error code */ - ulint flags, /* in: undo logging, locking, and rollback + ulint flags, /*!< in: undo logging, locking, and rollback flags */ - btr_cur_t* cursor, /* in: cursor on the record to update */ - mem_heap_t** heap, /* in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + btr_cur_t* cursor, /*!< in: cursor on the record to update */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - const upd_t* update, /* in: update vector; this is allowed also + const upd_t* update, /*!< in: update vector; this is allowed also contain trx id and roll ptr fields, but the values in update vector have no effect */ - ulint cmpl_info,/* in: compiler info on secondary index + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before latching any further pages */ { big_rec_t* big_rec_vec = NULL; @@ -2519,13 +2510,13 @@ UNIV_INLINE void btr_cur_del_mark_set_clust_rec_log( /*===============================*/ - ulint flags, /* in: flags */ - rec_t* rec, /* in: record */ - dict_index_t* index, /* in: index of the record */ - ibool val, /* in: value to set */ - trx_t* trx, /* in: deleting transaction */ - roll_ptr_t roll_ptr,/* in: roll ptr to the undo log record */ - mtr_t* mtr) /* in: mtr */ + ulint flags, /*!< in: flags */ + rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index of the record */ + ibool val, /*!< in: value to set */ + trx_t* trx, /*!< in: deleting transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr to the undo log record */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; ut_ad(flags < 256); @@ -2561,17 +2552,17 @@ btr_cur_del_mark_set_clust_rec_log( /******************************************************************** Parses the redo log record for delete marking or unmarking of a clustered -index record. */ +index record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_del_mark_set_clust_rec( /*=================================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dict_index_t* index) /* in: index corresponding to page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index) /*!< in: index corresponding to page */ { ulint flags; ulint val; @@ -2644,18 +2635,17 @@ btr_cur_parse_del_mark_set_clust_rec( Marks a clustered index record deleted. Writes an undo log record to undo log on this delete marking. Writes in the trx id field the id of the deleting transaction, and in the roll ptr field pointer to the -undo log record created. */ +undo log record created. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN ulint btr_cur_del_mark_set_clust_rec( /*===========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, or error - number */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor */ - ibool val, /* in: value to set */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr */ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; buf_block_t* block; @@ -2739,9 +2729,9 @@ UNIV_INLINE void btr_cur_del_mark_set_sec_rec_log( /*=============================*/ - rec_t* rec, /* in: record */ - ibool val, /* in: value to set */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; ut_ad(val <= 1); @@ -2768,16 +2758,16 @@ btr_cur_del_mark_set_sec_rec_log( /******************************************************************** Parses the redo log record for delete marking or unmarking of a secondary -index record. */ +index record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_del_mark_set_sec_rec( /*===============================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip)/* in/out: compressed page, or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip)/*!< in/out: compressed page, or NULL */ { ulint val; ulint offset; @@ -2811,18 +2801,17 @@ btr_cur_parse_del_mark_set_sec_rec( #ifndef UNIV_HOTBACKUP /*************************************************************** -Sets a secondary index record delete mark to TRUE or FALSE. */ +Sets a secondary index record delete mark to TRUE or FALSE. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN ulint btr_cur_del_mark_set_sec_rec( /*=========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, or error - number */ - ulint flags, /* in: locking flag */ - btr_cur_t* cursor, /* in: cursor */ - ibool val, /* in: value to set */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr */ + ulint flags, /*!< in: locking flag */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; rec_t* rec; @@ -2872,13 +2861,13 @@ UNIV_INTERN void btr_cur_set_deleted_flag_for_ibuf( /*==============================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip, /* in/out: compressed page + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip, /*!< in/out: compressed page corresponding to rec, or NULL when the tablespace is uncompressed */ - ibool val, /* in: value to set */ - mtr_t* mtr) /* in: mtr */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr */ { /* We do not need to reserve btr_search_latch, as the page has just been read to the buffer pool and there cannot be a hash index to it. */ @@ -2895,16 +2884,16 @@ Tries to compress a page of the tree if it seems useful. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those brothers exist. NOTE: it is assumed that the caller has reserved enough -free extents so that the compression will always succeed if done! */ +free extents so that the compression will always succeed if done! +@return TRUE if compression occurred */ UNIV_INTERN ibool btr_cur_compress_if_useful( /*=======================*/ - /* out: TRUE if compression occurred */ - btr_cur_t* cursor, /* in: cursor on the page to compress; + btr_cur_t* cursor, /*!< in: cursor on the page to compress; cursor does not stay valid if compression occurs */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(btr_cur_get_index(cursor)), @@ -2919,18 +2908,17 @@ btr_cur_compress_if_useful( /*********************************************************** Removes the record on which the tree cursor is positioned on a leaf page. It is assumed that the mtr has an x-latch on the page where the cursor is -positioned, but no latch on the whole tree. */ +positioned, but no latch on the whole tree. +@return TRUE if success, i.e., the page did not become too empty */ UNIV_INTERN ibool btr_cur_optimistic_delete( /*======================*/ - /* out: TRUE if success, i.e., the page - did not become too empty */ - btr_cur_t* cursor, /* in: cursor on leaf page, on the record to + btr_cur_t* cursor, /*!< in: cursor on leaf page, on the record to delete; cursor stays valid: if deletion succeeds, on function exit it points to the successor of the deleted record */ - mtr_t* mtr) /* in: mtr; if this function returns + mtr_t* mtr) /*!< in: mtr; if this function returns TRUE on a leaf page of a secondary index, the mtr must be committed before latching any further pages */ @@ -3009,27 +2997,27 @@ to compress the page if its fillfactor drops below a threshold or if it is the only page on the level. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those brothers -exist. */ +exist. +@return TRUE if compression occurred */ UNIV_INTERN ibool btr_cur_pessimistic_delete( /*=======================*/ - /* out: TRUE if compression occurred */ - ulint* err, /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; + ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; the latter may occur because we may have to update node pointers on upper levels, and in the case of variable length keys these may actually grow in size */ - ibool has_reserved_extents, /* in: TRUE if the + ibool has_reserved_extents, /*!< in: TRUE if the caller has already reserved enough free extents so that he knows that the operation will succeed */ - btr_cur_t* cursor, /* in: cursor on the record to delete; + btr_cur_t* cursor, /*!< in: cursor on the record to delete; if compression does not occur, the cursor stays valid: it points to successor of deleted record on function exit */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr) /* in: mtr */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; page_t* page; @@ -3173,10 +3161,10 @@ static void btr_cur_add_path_info( /*==================*/ - btr_cur_t* cursor, /* in: cursor positioned on a page */ - ulint height, /* in: height of the page in tree; + btr_cur_t* cursor, /*!< in: cursor positioned on a page */ + ulint height, /*!< in: height of the page in tree; 0 means leaf node */ - ulint root_height) /* in: root node height in tree */ + ulint root_height) /*!< in: root node height in tree */ { btr_path_t* slot; rec_t* rec; @@ -3207,17 +3195,17 @@ btr_cur_add_path_info( } /*********************************************************************** -Estimates the number of rows in a given index range. */ +Estimates the number of rows in a given index range. +@return estimated number of rows */ UNIV_INTERN ib_int64_t btr_estimate_n_rows_in_range( /*=========================*/ - /* out: estimated number of rows */ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple1, /* in: range start, may also be empty tuple */ - ulint mode1, /* in: search mode for range start */ - const dtuple_t* tuple2, /* in: range end, may also be empty tuple */ - ulint mode2) /* in: search mode for range end */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ + ulint mode1, /*!< in: search mode for range start */ + const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ + ulint mode2) /*!< in: search mode for range end */ { btr_path_t path1[BTR_PATH_ARRAY_N_SLOTS]; btr_path_t path2[BTR_PATH_ARRAY_N_SLOTS]; @@ -3362,7 +3350,7 @@ UNIV_INTERN void btr_estimate_number_of_different_key_vals( /*======================================*/ - dict_index_t* index) /* in: index */ + dict_index_t* index) /*!< in: index */ { btr_cur_t cursor; page_t* page; @@ -3538,15 +3526,14 @@ btr_estimate_number_of_different_key_vals( /*================== EXTERNAL STORAGE OF BIG FIELDS ===================*/ /*************************************************************** -Gets the externally stored size of a record, in units of a database page. */ +Gets the externally stored size of a record, in units of a database page. +@return externally stored part, in units of a database page */ static ulint btr_rec_get_externally_stored_len( /*==============================*/ - /* out: externally stored part, - in units of a database page */ - rec_t* rec, /* in: record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint n_fields; byte* data; @@ -3582,14 +3569,14 @@ static void btr_cur_set_ownership_of_extern_field( /*==================================*/ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - rec_t* rec, /* in/out: clustered index record */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint i, /* in: field number */ - ibool val, /* in: value to set */ - mtr_t* mtr) /* in: mtr, or NULL if not logged */ + rec_t* rec, /*!< in/out: clustered index record */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint i, /*!< in: field number */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ { byte* data; ulint local_len; @@ -3630,13 +3617,13 @@ UNIV_INTERN void btr_cur_mark_extern_inherited_fields( /*=================================*/ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - rec_t* rec, /* in/out: record in a clustered index */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - const upd_t* update, /* in: update vector */ - mtr_t* mtr) /* in: mtr, or NULL if not logged */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ { ulint n; ulint j; @@ -3684,9 +3671,9 @@ UNIV_INTERN void btr_cur_mark_dtuple_inherited_extern( /*=================================*/ - dtuple_t* entry, /* in/out: updated entry to be + dtuple_t* entry, /*!< in/out: updated entry to be inserted to clustered index */ - const upd_t* update) /* in: update vector */ + const upd_t* update) /*!< in: update vector */ { ulint i; @@ -3728,12 +3715,12 @@ static void btr_cur_unmark_extern_fields( /*=========================*/ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - rec_t* rec, /* in/out: record in a clustered index */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - mtr_t* mtr) /* in: mtr, or NULL if not logged */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ { ulint n; ulint i; @@ -3761,7 +3748,7 @@ UNIV_INTERN void btr_cur_unmark_dtuple_extern_fields( /*================================*/ - dtuple_t* entry) /* in/out: clustered index entry */ + dtuple_t* entry) /*!< in/out: clustered index entry */ { ulint i; @@ -3781,15 +3768,15 @@ btr_cur_unmark_dtuple_extern_fields( /*********************************************************************** Flags the data tuple fields that are marked as extern storage in the update vector. We use this function to remember which fields we must -mark as extern storage in a record inserted for an update. */ +mark as extern storage in a record inserted for an update. +@return number of flagged external columns */ UNIV_INTERN ulint btr_push_update_extern_fields( /*==========================*/ - /* out: number of flagged external columns */ - dtuple_t* tuple, /* in/out: data tuple */ - const upd_t* update, /* in: update vector */ - mem_heap_t* heap) /* in: memory heap */ + dtuple_t* tuple, /*!< in/out: data tuple */ + const upd_t* update, /*!< in: update vector */ + mem_heap_t* heap) /*!< in: memory heap */ { ulint n_pushed = 0; ulint n; @@ -3859,26 +3846,25 @@ btr_push_update_extern_fields( } /*********************************************************************** -Returns the length of a BLOB part stored on the header page. */ +Returns the length of a BLOB part stored on the header page. +@return part length */ static ulint btr_blob_get_part_len( /*==================*/ - /* out: part length */ - const byte* blob_header) /* in: blob header */ + const byte* blob_header) /*!< in: blob header */ { return(mach_read_from_4(blob_header + BTR_BLOB_HDR_PART_LEN)); } /*********************************************************************** -Returns the page number where the next BLOB part is stored. */ +Returns the page number where the next BLOB part is stored. +@return page number or FIL_NULL if no more pages */ static ulint btr_blob_get_next_page_no( /*======================*/ - /* out: page number or FIL_NULL if - no more pages */ - const byte* blob_header) /* in: blob header */ + const byte* blob_header) /*!< in: blob header */ { return(mach_read_from_4(blob_header + BTR_BLOB_HDR_NEXT_PAGE_NO)); } @@ -3889,10 +3875,10 @@ static void btr_blob_free( /*==========*/ - buf_block_t* block, /* in: buffer block */ - ibool all, /* in: TRUE=remove also the compressed page + buf_block_t* block, /*!< in: buffer block */ + ibool all, /*!< in: TRUE=remove also the compressed page if there is one */ - mtr_t* mtr) /* in: mini-transaction to commit */ + mtr_t* mtr) /*!< in: mini-transaction to commit */ { ulint space = buf_block_get_space(block); ulint page_no = buf_block_get_page_no(block); @@ -3930,23 +3916,23 @@ btr_blob_free( Stores the fields in big_rec_vec to the tablespace and puts pointers to them in rec. The extern flags in rec will have to be set beforehand. The fields are stored on pages allocated from leaf node -file segment of the index tree. */ +file segment of the index tree. +@return DB_SUCCESS or error */ UNIV_INTERN ulint btr_store_big_rec_extern_fields( /*============================*/ - /* out: DB_SUCCESS or error */ - dict_index_t* index, /* in: index of rec; the index tree + dict_index_t* index, /*!< in: index of rec; the index tree MUST be X-latched */ - buf_block_t* rec_block, /* in/out: block containing rec */ - rec_t* rec, /* in/out: record */ - const ulint* offsets, /* in: rec_get_offsets(rec, index); + buf_block_t* rec_block, /*!< in/out: block containing rec */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index); the "external storage" flags in offsets will not correspond to rec when this function returns */ - big_rec_t* big_rec_vec, /* in: vector containing fields + big_rec_t* big_rec_vec, /*!< in: vector containing fields to be stored externally */ - mtr_t* local_mtr __attribute__((unused))) /* in: mtr + mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr containing the latch to rec and to the tree */ { @@ -4300,10 +4286,10 @@ static void btr_check_blob_fil_page_type( /*=========================*/ - ulint space_id, /* in: space id */ - ulint page_no, /* in: page number */ - const page_t* page, /* in: page */ - ibool read) /* in: TRUE=read, FALSE=purge */ + ulint space_id, /*!< in: space id */ + ulint page_no, /*!< in: page number */ + const page_t* page, /*!< in: page */ + ibool read) /*!< in: TRUE=read, FALSE=purge */ { ulint type = fil_page_get_type(page); @@ -4341,7 +4327,7 @@ UNIV_INTERN void btr_free_externally_stored_field( /*=============================*/ - dict_index_t* index, /* in: index of the data, the index + dict_index_t* index, /*!< in: index of the data, the index tree MUST be X-latched; if the tree height is 1, then also the root page must be X-latched! (this is relevant @@ -4349,17 +4335,17 @@ btr_free_externally_stored_field( from purge where 'data' is located on an undo log page, not an index page) */ - byte* field_ref, /* in/out: field reference */ - const rec_t* rec, /* in: record containing field_ref, for + byte* field_ref, /*!< in/out: field reference */ + const rec_t* rec, /*!< in: record containing field_ref, for page_zip_write_blob_ptr(), or NULL */ - const ulint* offsets, /* in: rec_get_offsets(rec, index), + const ulint* offsets, /*!< in: rec_get_offsets(rec, index), or NULL */ - page_zip_des_t* page_zip, /* in: compressed page corresponding + page_zip_des_t* page_zip, /*!< in: compressed page corresponding to rec, or NULL if rec == NULL */ - ulint i, /* in: field number of field_ref; + ulint i, /*!< in: field number of field_ref; ignored if rec == NULL */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* local_mtr __attribute__((unused))) /* in: mtr + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr containing the latch to data an an X-latch to the index tree */ { @@ -4523,14 +4509,14 @@ static void btr_rec_free_externally_stored_fields( /*==================================*/ - dict_index_t* index, /* in: index of the data, the index + dict_index_t* index, /*!< in: index of the data, the index tree MUST be X-latched */ - rec_t* rec, /* in/out: record */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + rec_t* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr) /* in: mini-transaction handle which contains + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mini-transaction handle which contains an X-latch to record page and to the index tree */ { @@ -4565,15 +4551,15 @@ static void btr_rec_free_updated_extern_fields( /*===============================*/ - dict_index_t* index, /* in: index of rec; the index tree MUST be + dict_index_t* index, /*!< in: index of rec; the index tree MUST be X-latched */ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - const upd_t* update, /* in: update vector */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr) /* in: mini-transaction handle which contains + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mini-transaction handle which contains an X-latch to record page and to the tree */ { ulint n_fields; @@ -4605,18 +4591,18 @@ btr_rec_free_updated_extern_fields( /*********************************************************************** Copies the prefix of an uncompressed BLOB. The clustered index record -that points to this BLOB must be protected by a lock or a page latch. */ +that points to this BLOB must be protected by a lock or a page latch. +@return number of bytes written to buf */ static ulint btr_copy_blob_prefix( /*=================*/ - /* out: number of bytes written to buf */ - byte* buf, /* out: the externally stored part of + byte* buf, /*!< out: the externally stored part of the field, or a prefix of it */ - ulint len, /* in: length of buf, in bytes */ - ulint space_id,/* in: space id of the BLOB pages */ - ulint page_no,/* in: page number of the first BLOB page */ - ulint offset) /* in: offset on the first BLOB page */ + ulint len, /*!< in: length of buf, in bytes */ + ulint space_id,/*!< in: space id of the BLOB pages */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ { ulint copied_len = 0; @@ -4668,11 +4654,11 @@ static void btr_copy_zblob_prefix( /*==================*/ - z_stream* d_stream,/* in/out: the decompressing stream */ - ulint zip_size,/* in: compressed BLOB page size */ - ulint space_id,/* in: space id of the BLOB pages */ - ulint page_no,/* in: page number of the first BLOB page */ - ulint offset) /* in: offset on the first BLOB page */ + z_stream* d_stream,/*!< in/out: the decompressing stream */ + ulint zip_size,/*!< in: compressed BLOB page size */ + ulint space_id,/*!< in: space id of the BLOB pages */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ { ulint page_type = FIL_PAGE_TYPE_ZBLOB; @@ -4792,20 +4778,20 @@ end_of_blob: /*********************************************************************** Copies the prefix of an externally stored field of a record. The clustered index record that points to this BLOB must be protected by a -lock or a page latch. */ +lock or a page latch. +@return number of bytes written to buf */ static ulint btr_copy_externally_stored_field_prefix_low( /*========================================*/ - /* out: number of bytes written to buf */ - byte* buf, /* out: the externally stored part of + byte* buf, /*!< out: the externally stored part of the field, or a prefix of it */ - ulint len, /* in: length of buf, in bytes */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - ulint space_id,/* in: space id of the first BLOB page */ - ulint page_no,/* in: page number of the first BLOB page */ - ulint offset) /* in: offset on the first BLOB page */ + ulint space_id,/*!< in: space id of the first BLOB page */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ { if (UNIV_UNLIKELY(len == 0)) { return(0); @@ -4841,23 +4827,21 @@ btr_copy_externally_stored_field_prefix_low( /*********************************************************************** Copies the prefix of an externally stored field of a record. The -clustered index record must be protected by a lock or a page latch. */ +clustered index record must be protected by a lock or a page latch. +@return the length of the copied field, or 0 if the column was being or has been deleted */ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( /*====================================*/ - /* out: the length of the copied field, - or 0 if the column was being or has been - deleted */ - byte* buf, /* out: the field, or a prefix of it */ - ulint len, /* in: length of buf, in bytes */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + byte* buf, /*!< out: the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - const byte* data, /* in: 'internally' stored part of the + const byte* data, /*!< in: 'internally' stored part of the field containing also the reference to the external part; must be protected by a lock or a page latch */ - ulint local_len)/* in: length of data, in bytes */ + ulint local_len)/*!< in: length of data, in bytes */ { ulint space_id; ulint page_no; @@ -4901,21 +4885,21 @@ btr_copy_externally_stored_field_prefix( /*********************************************************************** Copies an externally stored field of a record to mem heap. The -clustered index record must be protected by a lock or a page latch. */ +clustered index record must be protected by a lock or a page latch. +@return the whole field copied to heap */ static byte* btr_copy_externally_stored_field( /*=============================*/ - /* out: the whole field copied to heap */ - ulint* len, /* out: length of the whole field */ - const byte* data, /* in: 'internally' stored part of the + ulint* len, /*!< out: length of the whole field */ + const byte* data, /*!< in: 'internally' stored part of the field containing also the reference to the external part; must be protected by a lock or a page latch */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - ulint local_len,/* in: length of data */ - mem_heap_t* heap) /* in: mem heap */ + ulint local_len,/*!< in: length of data */ + mem_heap_t* heap) /*!< in: mem heap */ { ulint space_id; ulint page_no; @@ -4952,20 +4936,20 @@ btr_copy_externally_stored_field( } /*********************************************************************** -Copies an externally stored field of a record to mem heap. */ +Copies an externally stored field of a record to mem heap. +@return the field copied to heap */ UNIV_INTERN byte* btr_rec_copy_externally_stored_field( /*=================================*/ - /* out: the field copied to heap */ - const rec_t* rec, /* in: record in a clustered index; + const rec_t* rec, /*!< in: record in a clustered index; must be protected by a lock or a page latch */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - ulint no, /* in: field number */ - ulint* len, /* out: length of the field */ - mem_heap_t* heap) /* in: mem heap */ + ulint no, /*!< in: field number */ + ulint* len, /*!< out: length of the field */ + mem_heap_t* heap) /*!< in: mem heap */ { ulint local_len; const byte* data; diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index b14efefe13f..ea8ff8c2f7f 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -33,12 +33,12 @@ Created 2/23/1996 Heikki Tuuri #include "trx0trx.h" /****************************************************************** -Allocates memory for a persistent cursor object and initializes the cursor. */ +Allocates memory for a persistent cursor object and initializes the cursor. +@return own: persistent cursor */ UNIV_INTERN btr_pcur_t* btr_pcur_create_for_mysql(void) /*============================*/ - /* out, own: persistent cursor */ { btr_pcur_t* pcur; @@ -56,7 +56,7 @@ UNIV_INTERN void btr_pcur_free_for_mysql( /*====================*/ - btr_pcur_t* cursor) /* in, own: persistent cursor */ + btr_pcur_t* cursor) /*!< in, own: persistent cursor */ { if (cursor->old_rec_buf != NULL) { @@ -87,8 +87,8 @@ UNIV_INTERN void btr_pcur_store_position( /*====================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; buf_block_t* block; @@ -163,9 +163,9 @@ UNIV_INTERN void btr_pcur_copy_stored_position( /*==========================*/ - btr_pcur_t* pcur_receive, /* in: pcur which will receive the + btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the position info */ - btr_pcur_t* pcur_donate) /* in: pcur from which the info is + btr_pcur_t* pcur_donate) /*!< in: pcur from which the info is copied */ { if (pcur_receive->old_rec_buf) { @@ -198,19 +198,15 @@ infimum; (3) cursor was positioned on the page supremum: restores to the first record GREATER than the user record which was the predecessor of the supremum. (4) cursor was positioned before the first or after the last in an empty tree: -restores to before first or after the last in the tree. */ +restores to before first or after the last in the tree. +@return TRUE if the cursor position was stored when it was on a user record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ UNIV_INTERN ibool btr_pcur_restore_position( /*======================*/ - /* out: TRUE if the cursor position - was stored when it was on a user record - and it can be restored on a user record - whose ordering fields are identical to - the ones of the original user record */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in: detached persistent cursor */ - mtr_t* mtr) /* in: mtr */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; dtuple_t* tuple; @@ -361,8 +357,8 @@ UNIV_INTERN void btr_pcur_release_leaf( /*==================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; @@ -387,9 +383,9 @@ UNIV_INTERN void btr_pcur_move_to_next_page( /*=======================*/ - btr_pcur_t* cursor, /* in: persistent cursor; must be on the + btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the last record of the current page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint next_page_no; ulint space; @@ -442,9 +438,9 @@ UNIV_INTERN void btr_pcur_move_backward_from_page( /*=============================*/ - btr_pcur_t* cursor, /* in: persistent cursor, must be on the first + btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the first record of the current page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint prev_page_no; ulint space; @@ -513,16 +509,15 @@ btr_pcur_move_backward_from_page( /************************************************************* Moves the persistent cursor to the previous record in the tree. If no records -are left, the cursor stays 'before first in tree'. */ +are left, the cursor stays 'before first in tree'. +@return TRUE if the cursor was not before first in tree */ UNIV_INTERN ibool btr_pcur_move_to_prev( /*==================*/ - /* out: TRUE if the cursor was not before first - in tree */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -557,14 +552,14 @@ UNIV_INTERN void btr_pcur_open_on_user_rec( /*======================*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ... */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF or + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ - btr_pcur_t* cursor, /* in: memory buffer for persistent + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { btr_pcur_open(index, tuple, mode, latch_mode, cursor, mtr); diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 8aafd738542..15f6543f37e 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -97,13 +97,13 @@ static void btr_search_build_page_hash_index( /*=============================*/ - dict_index_t* index, /* in: index for which to build, or NULL if + dict_index_t* index, /*!< in: index for which to build, or NULL if not known */ - buf_block_t* block, /* in: index page, s- or x-latched */ - ulint n_fields,/* in: hash this many full fields */ - ulint n_bytes,/* in: hash this many bytes from the next + buf_block_t* block, /*!< in: index page, s- or x-latched */ + ulint n_fields,/*!< in: hash this many full fields */ + ulint n_bytes,/*!< in: hash this many bytes from the next field */ - ibool left_side);/* in: hash for searches from left side? */ + ibool left_side);/*!< in: hash for searches from left side? */ /********************************************************************* This function should be called before reserving any btr search mutex, if @@ -157,7 +157,7 @@ UNIV_INTERN void btr_search_sys_create( /*==================*/ - ulint hash_size) /* in: hash index hash table size */ + ulint hash_size) /*!< in: hash index hash table size */ { /* We allocate the search latch from dynamic memory: see above at the global variable definition */ @@ -212,13 +212,13 @@ btr_search_enable(void) } /********************************************************************* -Creates and initializes a search info struct. */ +Creates and initializes a search info struct. +@return own: search info struct */ UNIV_INTERN btr_search_t* btr_search_info_create( /*===================*/ - /* out, own: search info struct */ - mem_heap_t* heap) /* in: heap where created */ + mem_heap_t* heap) /*!< in: heap where created */ { btr_search_t* info; @@ -254,13 +254,13 @@ btr_search_info_create( /********************************************************************* Returns the value of ref_count. The value is protected by -btr_search_latch. */ +btr_search_latch. +@return ref_count value. */ UNIV_INTERN ulint btr_search_info_get_ref_count( /*==========================*/ - /* out: ref_count value. */ - btr_search_t* info) /* in: search info. */ + btr_search_t* info) /*!< in: search info. */ { ulint ret; @@ -286,8 +286,8 @@ static void btr_search_info_update_hash( /*========================*/ - btr_search_t* info, /* in/out: search info */ - btr_cur_t* cursor) /* in: cursor which was just positioned */ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ { dict_index_t* index; ulint n_unique; @@ -401,17 +401,16 @@ set_new_recomm: /************************************************************************* Updates the block search info on hash successes. NOTE that info and block->n_hash_helps, n_fields, n_bytes, side are NOT protected by any -semaphore, to save CPU time! Do not assume the fields are consistent. */ +semaphore, to save CPU time! Do not assume the fields are consistent. +@return TRUE if building a (new) hash index on the block is recommended */ static ibool btr_search_update_block_hash_info( /*==============================*/ - /* out: TRUE if building a (new) hash index on - the block is recommended */ - btr_search_t* info, /* in: search info */ - buf_block_t* block, /* in: buffer block */ + btr_search_t* info, /*!< in: search info */ + buf_block_t* block, /*!< in: buffer block */ btr_cur_t* cursor __attribute__((unused))) - /* in: cursor */ + /*!< in: cursor */ { #ifdef UNIV_SYNC_DEBUG ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); @@ -489,9 +488,9 @@ static void btr_search_update_hash_ref( /*=======================*/ - btr_search_t* info, /* in: search info */ - buf_block_t* block, /* in: buffer block where cursor positioned */ - btr_cur_t* cursor) /* in: cursor */ + btr_search_t* info, /*!< in: search info */ + buf_block_t* block, /*!< in: buffer block where cursor positioned */ + btr_cur_t* cursor) /*!< in: cursor */ { ulint fold; rec_t* rec; @@ -553,8 +552,8 @@ UNIV_INTERN void btr_search_info_update_slow( /*========================*/ - btr_search_t* info, /* in/out: search info */ - btr_cur_t* cursor) /* in: cursor which was just positioned */ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ { buf_block_t* block; ibool build_index; @@ -627,25 +626,25 @@ btr_search_info_update_slow( /********************************************************************** Checks if a guessed position for a tree cursor is right. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns -TRUE, then cursor->up_match and cursor->low_match both have sensible values. */ +TRUE, then cursor->up_match and cursor->low_match both have sensible values. +@return TRUE if success */ static ibool btr_search_check_guess( /*===================*/ - /* out: TRUE if success */ - btr_cur_t* cursor, /* in: guessed cursor position */ + btr_cur_t* cursor, /*!< in: guessed cursor position */ ibool can_only_compare_to_cursor_rec, - /* in: if we do not have a latch on the page + /*!< in: if we do not have a latch on the page of cursor, but only a latch on btr_search_latch, then ONLY the columns of the record UNDER the cursor are protected, not the next or previous record in the chain: we cannot look at the next or previous record to check our guess! */ - const dtuple_t* tuple, /* in: data tuple */ - ulint mode, /* in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { rec_t* rec; ulint n_unique; @@ -774,27 +773,27 @@ exit_func: Tries to guess the right search position based on the hash search info of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns TRUE, then cursor->up_match and cursor->low_match -both have sensible values. */ +both have sensible values. +@return TRUE if succeeded */ UNIV_INTERN ibool btr_search_guess_on_hash( /*=====================*/ - /* out: TRUE if succeeded */ - dict_index_t* index, /* in: index */ - btr_search_t* info, /* in: index search info */ - const dtuple_t* tuple, /* in: logical record */ - ulint mode, /* in: PAGE_CUR_L, ... */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ...; + dict_index_t* index, /*!< in: index */ + btr_search_t* info, /*!< in: index search info */ + const dtuple_t* tuple, /*!< in: logical record */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ...; NOTE that only if has_search_latch is 0, we will have a latch set on the cursor page, otherwise we assume the caller uses his search latch to protect the record! */ - btr_cur_t* cursor, /* out: tree cursor */ - ulint has_search_latch,/* in: latch mode the caller + btr_cur_t* cursor, /*!< out: tree cursor */ + ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, RW_X_LATCH, or 0 */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; rec_t* rec; @@ -985,7 +984,7 @@ UNIV_INTERN void btr_search_drop_page_hash_index( /*============================*/ - buf_block_t* block) /* in: block containing index page, + buf_block_t* block) /*!< in: block containing index page, s- or x-latched, or an index page for which we know that block->buf_fix_count == 0 */ @@ -1153,10 +1152,10 @@ UNIV_INTERN void btr_search_drop_page_hash_when_freed( /*=================================*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no) /* in: page number */ + ulint page_no) /*!< in: page number */ { buf_block_t* block; mtr_t mtr; @@ -1201,12 +1200,12 @@ static void btr_search_build_page_hash_index( /*=============================*/ - dict_index_t* index, /* in: index for which to build */ - buf_block_t* block, /* in: index page, s- or x-latched */ - ulint n_fields,/* in: hash this many full fields */ - ulint n_bytes,/* in: hash this many bytes from the next + dict_index_t* index, /*!< in: index for which to build */ + buf_block_t* block, /*!< in: index page, s- or x-latched */ + ulint n_fields,/*!< in: hash this many full fields */ + ulint n_bytes,/*!< in: hash this many bytes from the next field */ - ibool left_side)/* in: hash for searches from left side? */ + ibool left_side)/*!< in: hash for searches from left side? */ { hash_table_t* table; page_t* page; @@ -1396,13 +1395,13 @@ UNIV_INTERN void btr_search_move_or_delete_hash_entries( /*===================================*/ - buf_block_t* new_block, /* in: records are copied + buf_block_t* new_block, /*!< in: records are copied to this page */ - buf_block_t* block, /* in: index page from which + buf_block_t* block, /*!< in: index page from which records were copied, and the copied records will be deleted from this page */ - dict_index_t* index) /* in: record descriptor */ + dict_index_t* index) /*!< in: record descriptor */ { ulint n_fields; ulint n_bytes; @@ -1459,7 +1458,7 @@ UNIV_INTERN void btr_search_update_hash_on_delete( /*=============================*/ - btr_cur_t* cursor) /* in: cursor which was positioned on the + btr_cur_t* cursor) /*!< in: cursor which was positioned on the record to delete using btr_cur_search_..., the record is not yet deleted */ { @@ -1512,7 +1511,7 @@ UNIV_INTERN void btr_search_update_hash_node_on_insert( /*==================================*/ - btr_cur_t* cursor) /* in: cursor which was positioned to the + btr_cur_t* cursor) /*!< in: cursor which was positioned to the place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ @@ -1563,7 +1562,7 @@ UNIV_INTERN void btr_search_update_hash_on_insert( /*=============================*/ - btr_cur_t* cursor) /* in: cursor which was positioned to the + btr_cur_t* cursor) /*!< in: cursor which was positioned to the place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ @@ -1708,12 +1707,12 @@ function_exit: } /************************************************************************ -Validates the search system. */ +Validates the search system. +@return TRUE if ok */ UNIV_INTERN ibool btr_search_validate(void) /*=====================*/ - /* out: TRUE if ok */ { ha_node_t* node; ulint n_page_dumps = 0; diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 63c7dd5f7c0..18ef7556375 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -45,14 +45,14 @@ Protected by buf_pool_mutex. */ UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; /************************************************************************** -Get the offset of the buddy of a compressed page frame. */ +Get the offset of the buddy of a compressed page frame. +@return the buddy relative of page */ UNIV_INLINE byte* buf_buddy_get( /*==========*/ - /* out: the buddy relative of page */ - byte* page, /* in: compressed page */ - ulint size) /* in: page size in bytes */ + byte* page, /*!< in: compressed page */ + ulint size) /*!< in: page size in bytes */ { ut_ad(ut_is_2pow(size)); ut_ad(size >= BUF_BUDDY_LOW); @@ -72,8 +72,8 @@ UNIV_INLINE void buf_buddy_add_to_free( /*==================*/ - buf_page_t* bpage, /* in,own: block to be freed */ - ulint i) /* in: index of buf_pool->zip_free[] */ + buf_page_t* bpage, /*!< in,own: block to be freed */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ { #ifdef UNIV_DEBUG_VALGRIND buf_page_t* b = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); @@ -98,8 +98,8 @@ UNIV_INLINE void buf_buddy_remove_from_free( /*=======================*/ - buf_page_t* bpage, /* in: block to be removed */ - ulint i) /* in: index of buf_pool->zip_free[] */ + buf_page_t* bpage, /*!< in: block to be removed */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ { #ifdef UNIV_DEBUG_VALGRIND buf_page_t* prev = UT_LIST_GET_PREV(list, bpage); @@ -123,14 +123,13 @@ buf_buddy_remove_from_free( } /************************************************************************** -Try to allocate a block from buf_pool->zip_free[]. */ +Try to allocate a block from buf_pool->zip_free[]. +@return allocated block, or NULL if buf_pool->zip_free[] was empty */ static void* buf_buddy_alloc_zip( /*================*/ - /* out: allocated block, or NULL - if buf_pool->zip_free[] was empty */ - ulint i) /* in: index of buf_pool->zip_free[] */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ { buf_page_t* bpage; @@ -182,7 +181,7 @@ static void buf_buddy_block_free( /*=================*/ - void* buf) /* in: buffer frame to deallocate */ + void* buf) /*!< in: buffer frame to deallocate */ { const ulint fold = BUF_POOL_ZIP_FOLD_PTR(buf); buf_page_t* bpage; @@ -221,7 +220,7 @@ static void buf_buddy_block_register( /*=====================*/ - buf_block_t* block) /* in: buffer frame to allocate */ + buf_block_t* block) /*!< in: buffer frame to allocate */ { const ulint fold = BUF_POOL_ZIP_FOLD(block); ut_ad(buf_pool_mutex_own()); @@ -242,15 +241,15 @@ buf_buddy_block_register( } /************************************************************************** -Allocate a block from a bigger object. */ +Allocate a block from a bigger object. +@return allocated block */ static void* buf_buddy_alloc_from( /*=================*/ - /* out: allocated block */ - void* buf, /* in: a block that is free to use */ - ulint i, /* in: index of buf_pool->zip_free[] */ - ulint j) /* in: size of buf as an index + void* buf, /*!< in: a block that is free to use */ + ulint i, /*!< in: index of buf_pool->zip_free[] */ + ulint j) /*!< in: size of buf as an index of buf_pool->zip_free[] */ { ulint offs = BUF_BUDDY_LOW << j; @@ -284,16 +283,15 @@ buf_buddy_alloc_from( /************************************************************************** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. */ +The buf_pool_mutex may only be released and reacquired if lru != NULL. +@return allocated block, possibly NULL if lru==NULL */ UNIV_INTERN void* buf_buddy_alloc_low( /*================*/ - /* out: allocated block, - possibly NULL if lru==NULL */ - ulint i, /* in: index of buf_pool->zip_free[], + ulint i, /*!< in: index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ - ibool* lru) /* in: pointer to a variable that will be assigned + ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list and buf_pool_mutex was temporarily released, or NULL if the LRU list should not be used */ @@ -343,14 +341,14 @@ func_exit: } /************************************************************************** -Try to relocate the control block of a compressed page. */ +Try to relocate the control block of a compressed page. +@return TRUE if relocated */ static ibool buf_buddy_relocate_block( /*=====================*/ - /* out: TRUE if relocated */ - buf_page_t* bpage, /* in: block to relocate */ - buf_page_t* dpage) /* in: free block to relocate to */ + buf_page_t* bpage, /*!< in: block to relocate */ + buf_page_t* dpage) /*!< in: free block to relocate to */ { buf_page_t* b; @@ -399,15 +397,15 @@ buf_buddy_relocate_block( } /************************************************************************** -Try to relocate a block. */ +Try to relocate a block. +@return TRUE if relocated */ static ibool buf_buddy_relocate( /*===============*/ - /* out: TRUE if relocated */ - void* src, /* in: block to relocate */ - void* dst, /* in: free block to relocate to */ - ulint i) /* in: index of buf_pool->zip_free[] */ + void* src, /*!< in: block to relocate */ + void* dst, /*!< in: free block to relocate to */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ { buf_page_t* bpage; const ulint size = BUF_BUDDY_LOW << i; @@ -512,9 +510,9 @@ UNIV_INTERN void buf_buddy_free_low( /*===============*/ - void* buf, /* in: block to be freed, must not be + void* buf, /*!< in: block to be freed, must not be pointed to by the buffer pool */ - ulint i) /* in: index of buf_pool->zip_free[], + ulint i) /*!< in: index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ { buf_page_t* bpage; diff --git a/buf/buf0buf.c b/buf/buf0buf.c index a29b982a783..e454378ae64 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -279,13 +279,13 @@ struct buf_chunk_struct{ /************************************************************************ Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value on -32-bit and 64-bit architectures. */ +32-bit and 64-bit architectures. +@return checksum */ UNIV_INTERN ulint buf_calc_page_new_checksum( /*=======================*/ - /* out: checksum */ - const byte* page) /* in: buffer page */ + const byte* page) /*!< in: buffer page */ { ulint checksum; @@ -313,13 +313,13 @@ looked at the first few bytes of the page. This calculates that old checksum. NOTE: we must first store the new formula checksum to FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum -because this takes that field as an input! */ +because this takes that field as an input! +@return checksum */ UNIV_INTERN ulint buf_calc_page_old_checksum( /*=======================*/ - /* out: checksum */ - const byte* page) /* in: buffer page */ + const byte* page) /*!< in: buffer page */ { ulint checksum; @@ -331,14 +331,14 @@ buf_calc_page_old_checksum( } /************************************************************************ -Checks if a page is corrupt. */ +Checks if a page is corrupt. +@return TRUE if corrupted */ UNIV_INTERN ibool buf_page_is_corrupted( /*==================*/ - /* out: TRUE if corrupted */ - const byte* read_buf, /* in: a database page */ - ulint zip_size) /* in: size of compressed page; + const byte* read_buf, /*!< in: a database page */ + ulint zip_size) /*!< in: size of compressed page; 0 for uncompressed pages */ { ulint checksum_field; @@ -439,8 +439,8 @@ UNIV_INTERN void buf_page_print( /*===========*/ - const byte* read_buf, /* in: a database page */ - ulint zip_size) /* in: compressed page size, or + const byte* read_buf, /*!< in: a database page */ + ulint zip_size) /*!< in: compressed page size, or 0 for uncompressed pages */ { #ifndef UNIV_HOTBACKUP @@ -641,8 +641,8 @@ static void buf_block_init( /*===========*/ - buf_block_t* block, /* in: pointer to control block */ - byte* frame) /* in: pointer to buffer frame */ + buf_block_t* block, /*!< in: pointer to control block */ + byte* frame) /*!< in: pointer to buffer frame */ { UNIV_MEM_DESC(frame, UNIV_PAGE_SIZE, block); @@ -685,14 +685,14 @@ buf_block_init( } /************************************************************************ -Allocates a chunk of buffer frames. */ +Allocates a chunk of buffer frames. +@return chunk, or NULL on failure */ static buf_chunk_t* buf_chunk_init( /*===========*/ - /* out: chunk, or NULL on failure */ - buf_chunk_t* chunk, /* out: chunk of buffers */ - ulint mem_size) /* in: requested size in bytes */ + buf_chunk_t* chunk, /*!< out: chunk of buffers */ + ulint mem_size) /*!< in: requested size in bytes */ { buf_block_t* block; byte* frame; @@ -766,15 +766,14 @@ buf_chunk_init( #ifdef UNIV_DEBUG /************************************************************************* Finds a block in the given buffer chunk that points to a -given compressed page. */ +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ static buf_block_t* buf_chunk_contains_zip( /*===================*/ - /* out: buffer block pointing to - the compressed page, or NULL */ - buf_chunk_t* chunk, /* in: chunk being checked */ - const void* data) /* in: pointer to compressed page */ + buf_chunk_t* chunk, /*!< in: chunk being checked */ + const void* data) /*!< in: pointer to compressed page */ { buf_block_t* block; ulint i; @@ -796,14 +795,13 @@ buf_chunk_contains_zip( /************************************************************************* Finds a block in the buffer pool that points to a -given compressed page. */ +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ UNIV_INTERN buf_block_t* buf_pool_contains_zip( /*==================*/ - /* out: buffer block pointing to - the compressed page, or NULL */ - const void* data) /* in: pointer to compressed page */ + const void* data) /*!< in: pointer to compressed page */ { ulint n; buf_chunk_t* chunk = buf_pool->chunks; @@ -821,14 +819,13 @@ buf_pool_contains_zip( #endif /* UNIV_DEBUG */ /************************************************************************* -Checks that all file pages in the buffer chunk are in a replaceable state. */ +Checks that all file pages in the buffer chunk are in a replaceable state. +@return address of a non-free block, or NULL if all freed */ static const buf_block_t* buf_chunk_not_freed( /*================*/ - /* out: address of a non-free block, - or NULL if all freed */ - buf_chunk_t* chunk) /* in: chunk being checked */ + buf_chunk_t* chunk) /*!< in: chunk being checked */ { buf_block_t* block; ulint i; @@ -855,13 +852,13 @@ buf_chunk_not_freed( } /************************************************************************* -Checks that all blocks in the buffer chunk are in BUF_BLOCK_NOT_USED state. */ +Checks that all blocks in the buffer chunk are in BUF_BLOCK_NOT_USED state. +@return TRUE if all freed */ static ibool buf_chunk_all_free( /*===============*/ - /* out: TRUE if all freed */ - const buf_chunk_t* chunk) /* in: chunk being checked */ + const buf_chunk_t* chunk) /*!< in: chunk being checked */ { const buf_block_t* block; ulint i; @@ -888,7 +885,7 @@ static void buf_chunk_free( /*===========*/ - buf_chunk_t* chunk) /* out: chunk of buffers */ + buf_chunk_t* chunk) /*!< out: chunk of buffers */ { buf_block_t* block; const buf_block_t* block_end; @@ -921,13 +918,12 @@ buf_chunk_free( } /************************************************************************ -Creates the buffer pool. */ +Creates the buffer pool. +@return own: buf_pool object, NULL if not enough memory or error */ UNIV_INTERN buf_pool_t* buf_pool_init(void) /*===============*/ - /* out, own: buf_pool object, NULL if not - enough memory or error */ { buf_chunk_t* chunk; ulint i; @@ -1098,10 +1094,10 @@ UNIV_INTERN void buf_relocate( /*=========*/ - buf_page_t* bpage, /* in/out: control block being relocated; + buf_page_t* bpage, /*!< in/out: control block being relocated; buf_page_get_state(bpage) must be BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ - buf_page_t* dpage) /* in/out: destination control block */ + buf_page_t* dpage) /*!< in/out: destination control block */ { buf_page_t* b; ulint fold; @@ -1172,7 +1168,7 @@ static void buf_pool_shrink( /*============*/ - ulint chunk_size) /* in: number of pages to remove */ + ulint chunk_size) /*!< in: number of pages to remove */ { buf_chunk_t* chunks; buf_chunk_t* chunk; @@ -1478,8 +1474,8 @@ static void buf_pool_watch_set( /*===============*/ - ulint space, /* in: space id */ - ulint page_no) /* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no) /*!< in: page number */ { ut_ad(buf_pool_mutex_own()); @@ -1510,15 +1506,14 @@ buf_pool_watch_clear(void) /******************************************************************** Check if the given page is being watched and has been read to the buffer -pool. */ +pool. +@return TRUE if the given page is being watched and it has been read in */ UNIV_INTERN ibool buf_pool_watch_occurred( /*====================*/ - /* out: TRUE if the given page is being - watched and it has been read in */ - ulint space, /* in: space id */ - ulint page_no) /* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no) /*!< in: page number */ { ulint ret; @@ -1541,7 +1536,7 @@ UNIV_INLINE void buf_block_make_young( /*=================*/ - buf_page_t* bpage) /* in: block to make younger */ + buf_page_t* bpage) /*!< in: block to make younger */ { ut_ad(!buf_pool_mutex_own()); @@ -1567,7 +1562,7 @@ UNIV_INTERN void buf_page_make_young( /*================*/ - buf_page_t* bpage) /* in: buffer block of a file page */ + buf_page_t* bpage) /*!< in: buffer block of a file page */ { buf_pool_mutex_enter(); @@ -1585,8 +1580,8 @@ UNIV_INTERN void buf_reset_check_index_page_at_flush( /*================================*/ - ulint space, /* in: space id */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { buf_block_t* block; @@ -1604,15 +1599,14 @@ buf_reset_check_index_page_at_flush( /************************************************************************ Returns the current state of is_hashed of a page. FALSE if the page is not in the pool. NOTE that this operation does not fix the page in the -pool if it is found there. */ +pool if it is found there. +@return TRUE if page hash index is built in search system */ UNIV_INTERN ibool buf_page_peek_if_search_hashed( /*===========================*/ - /* out: TRUE if page hash index is built in search - system */ - ulint space, /* in: space id */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { buf_block_t* block; ibool is_hashed; @@ -1637,15 +1631,14 @@ buf_page_peek_if_search_hashed( Sets file_page_was_freed TRUE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless -reallocated. */ +reallocated. +@return control block if found in page hash table, otherwise NULL */ UNIV_INTERN buf_page_t* buf_page_set_file_page_was_freed( /*=============================*/ - /* out: control block if found in page hash table, - otherwise NULL */ - ulint space, /* in: space id */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { buf_page_t* bpage; @@ -1666,15 +1659,14 @@ buf_page_set_file_page_was_freed( Sets file_page_was_freed FALSE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless -reallocated. */ +reallocated. +@return control block if found in page hash table, otherwise NULL */ UNIV_INTERN buf_page_t* buf_page_reset_file_page_was_freed( /*===============================*/ - /* out: control block if found in page hash table, - otherwise NULL */ - ulint space, /* in: space id */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { buf_page_t* bpage; @@ -1699,15 +1691,15 @@ The page must be released with buf_page_release_zip(). NOTE: the page is not protected by any latch. Mutual exclusion has to be implemented at a higher level. In other words, all possible accesses to a given page through this function must be protected by -the same set of mutexes or latches. */ +the same set of mutexes or latches. +@return pointer to the block */ UNIV_INTERN buf_page_t* buf_page_get_zip( /*=============*/ - /* out: pointer to the block */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size */ + ulint offset) /*!< in: page number */ { buf_page_t* bpage; mutex_t* block_mutex; @@ -1825,7 +1817,7 @@ UNIV_INLINE void buf_block_init_low( /*===============*/ - buf_block_t* block) /* in: block to init */ + buf_block_t* block) /*!< in: block to init */ { block->check_index_page_at_flush = FALSE; block->index = NULL; @@ -1839,14 +1831,14 @@ buf_block_init_low( #endif /* !UNIV_HOTBACKUP */ /************************************************************************ -Decompress a block. */ +Decompress a block. +@return TRUE if successful */ UNIV_INTERN ibool buf_zip_decompress( /*===============*/ - /* out: TRUE if successful */ - buf_block_t* block, /* in/out: block */ - ibool check) /* in: TRUE=verify the page checksum */ + buf_block_t* block, /*!< in/out: block */ + ibool check) /*!< in: TRUE=verify the page checksum */ { const byte* frame = block->page.zip.data; @@ -1906,13 +1898,13 @@ buf_zip_decompress( #ifndef UNIV_HOTBACKUP /*********************************************************************** -Gets the block to whose frame the pointer is pointing to. */ +Gets the block to whose frame the pointer is pointing to. +@return pointer to block, never NULL */ UNIV_INTERN buf_block_t* buf_block_align( /*============*/ - /* out: pointer to block, never NULL */ - const byte* ptr) /* in: pointer to a frame */ + const byte* ptr) /*!< in: pointer to a frame */ { buf_chunk_t* chunk; ulint i; @@ -1994,14 +1986,13 @@ buf_block_align( /************************************************************************ Find out if a pointer belongs to a buf_block_t. It can be a pointer to -the buf_block_t itself or a member of it */ +the buf_block_t itself or a member of it +@return TRUE if ptr belongs to a buf_block_t struct */ UNIV_INTERN ibool buf_pointer_is_block_field( /*=======================*/ - /* out: TRUE if ptr belongs - to a buf_block_t struct */ - const void* ptr) /* in: pointer not + const void* ptr) /*!< in: pointer not dereferenced */ { const buf_chunk_t* chunk = buf_pool->chunks; @@ -2023,15 +2014,13 @@ buf_pointer_is_block_field( } /************************************************************************ -Find out if a buffer block was created by buf_chunk_init(). */ +Find out if a buffer block was created by buf_chunk_init(). +@return TRUE if "block" has been added to buf_pool->free by buf_chunk_init() */ static ibool buf_block_is_uncompressed( /*======================*/ - /* out: TRUE if "block" has - been added to buf_pool->free - by buf_chunk_init() */ - const buf_block_t* block) /* in: pointer to block, + const buf_block_t* block) /*!< in: pointer to block, not dereferenced */ { ut_ad(buf_pool_mutex_own()); @@ -2045,24 +2034,24 @@ buf_block_is_uncompressed( } /************************************************************************ -This is the general function used to get access to a database page. */ +This is the general function used to get access to a database page. +@return pointer to the block or NULL */ UNIV_INTERN buf_block_t* buf_page_get_gen( /*=============*/ - /* out: pointer to the block or NULL */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint offset, /* in: page number */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - buf_block_t* guess, /* in: guessed block or NULL */ - ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, + ulint offset, /*!< in: page number */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ + buf_block_t* guess, /*!< in: guessed block or NULL */ + ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, BUF_GET_NO_LATCH, or BUF_GET_IF_IN_POOL_OR_WATCH */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr) /* in: mini-transaction */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ { buf_block_t* block; ibool accessed; @@ -2389,19 +2378,19 @@ wait_until_unfixed: /************************************************************************ This is the general function used to get optimistic access to a database -page. */ +page. +@return TRUE if success */ UNIV_INTERN ibool buf_page_optimistic_get_func( /*=========================*/ - /* out: TRUE if success */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /* in: guessed buffer block */ - ib_uint64_t modify_clock,/* in: modify clock value if mode is + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: guessed buffer block */ + ib_uint64_t modify_clock,/*!< in: modify clock value if mode is ..._GUESS_ON_CLOCK */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr) /* in: mini-transaction */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ { ibool accessed; ibool success; @@ -2500,18 +2489,18 @@ buf_page_optimistic_get_func( /************************************************************************ This is used to get access to a known database page, when no waiting can be done. For example, if a search in an adaptive hash index leads us to this -frame. */ +frame. +@return TRUE if success */ UNIV_INTERN ibool buf_page_get_known_nowait( /*======================*/ - /* out: TRUE if success */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /* in: the known page */ - ulint mode, /* in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr) /* in: mini-transaction */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: the known page */ + ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ { ibool success; ulint fix_type; @@ -2588,17 +2577,17 @@ buf_page_get_known_nowait( /*********************************************************************** Given a tablespace id and page number tries to get that page. If the page is not in the buffer pool it is not loaded and NULL is returned. -Suitable for using when holding the kernel mutex. */ +Suitable for using when holding the kernel mutex. +@return pointer to a page or NULL */ UNIV_INTERN const buf_block_t* buf_page_try_get_func( /*==================*/ - /* out: pointer to a page or NULL */ - ulint space_id,/* in: tablespace id */ - ulint page_no,/* in: page number */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr) /* in: mini-transaction */ + ulint space_id,/*!< in: tablespace id */ + ulint page_no,/*!< in: page number */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ { buf_block_t* block; ibool success; @@ -2672,7 +2661,7 @@ UNIV_INLINE void buf_page_init_low( /*==============*/ - buf_page_t* bpage) /* in: block to init */ + buf_page_t* bpage) /*!< in: block to init */ { bpage->flush_type = BUF_FLUSH_LRU; bpage->accessed = FALSE; @@ -2693,8 +2682,8 @@ UNIV_INTERN void buf_pool_watch_notify( /*==================*/ - ulint space, /* in: space id of page read in */ - ulint offset) /* in: offset of page read in */ + ulint space, /*!< in: space id of page read in */ + ulint offset) /*!< in: offset of page read in */ { ut_ad(buf_pool_mutex_own()); @@ -2712,10 +2701,10 @@ static void buf_page_init( /*==========*/ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of a page */ - buf_block_t* block) /* in: block to init */ + buf_block_t* block) /*!< in: block to init */ { buf_page_t* hash_page; @@ -2779,21 +2768,21 @@ Function which inits a page for read to the buffer buf_pool. If the page is then this function does nothing. Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock on the buffer frame. The io-handler must take care that the flag is cleared -and the lock released later. */ +and the lock released later. +@return pointer to the block or NULL */ UNIV_INTERN buf_page_t* buf_page_init_for_read( /*===================*/ - /* out: pointer to the block or NULL */ - ulint* err, /* out: DB_SUCCESS or DB_TABLESPACE_DELETED */ - ulint mode, /* in: BUF_READ_IBUF_PAGES_ONLY, ... */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size, or 0 */ - ibool unzip, /* in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version,/* in: prevents reading from a wrong + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong version of the tablespace in case we have done DISCARD + IMPORT */ - ulint offset) /* in: page number */ + ulint offset) /*!< in: page number */ { buf_block_t* block; buf_page_t* bpage; @@ -2984,17 +2973,17 @@ func_exit: Initializes a page to the buffer buf_pool. The page is usually not read from a file even if it cannot be found in the buffer buf_pool. This is one of the functions which perform to a block a state transition NOT_USED => -FILE_PAGE (the other is buf_page_get_gen). */ +FILE_PAGE (the other is buf_page_get_gen). +@return pointer to the block, page bufferfixed */ UNIV_INTERN buf_block_t* buf_page_create( /*============*/ - /* out: pointer to the block, page bufferfixed */ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space in units of + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of a page */ - ulint zip_size,/* in: compressed page size, or 0 */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { buf_frame_t* frame; buf_block_t* block; @@ -3129,7 +3118,7 @@ UNIV_INTERN void buf_page_io_complete( /*=================*/ - buf_page_t* bpage) /* in: pointer to the block in question */ + buf_page_t* bpage) /*!< in: pointer to the block in question */ { enum buf_io_fix io_type; const ibool uncompressed = (buf_page_get_state(bpage) @@ -3363,12 +3352,12 @@ buf_pool_invalidate(void) #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************* -Validates the buffer buf_pool data structure. */ +Validates the buffer buf_pool data structure. +@return TRUE */ UNIV_INTERN ibool buf_validate(void) /*==============*/ - /* out: TRUE */ { buf_page_t* b; buf_chunk_t* chunk; @@ -3700,12 +3689,12 @@ buf_print(void) #ifdef UNIV_DEBUG /************************************************************************* -Returns the number of latched pages in the buffer pool. */ +Returns the number of latched pages in the buffer pool. +@return number of latched pages */ UNIV_INTERN ulint buf_get_latched_pages_number(void) /*==============================*/ - /* out: number of latched pages */ { buf_chunk_t* chunk; buf_page_t* b; @@ -3789,12 +3778,12 @@ buf_get_latched_pages_number(void) #endif /* UNIV_DEBUG */ /************************************************************************* -Returns the number of pending buf pool ios. */ +Returns the number of pending buf pool ios. +@return number of pending I/O operations */ UNIV_INTERN ulint buf_get_n_pending_ios(void) /*=======================*/ - /* out: number of pending I/O operations */ { return(buf_pool->n_pend_reads + buf_pool->n_flush[BUF_FLUSH_LRU] @@ -3804,12 +3793,12 @@ buf_get_n_pending_ios(void) /************************************************************************* Returns the ratio in percents of modified pages in the buffer pool / -database pages in the buffer pool. */ +database pages in the buffer pool. +@return modified page percentage ratio */ UNIV_INTERN ulint buf_get_modified_ratio_pct(void) /*============================*/ - /* out: modified page percentage ratio */ { ulint ratio; @@ -3832,7 +3821,7 @@ UNIV_INTERN void buf_print_io( /*=========*/ - FILE* file) /* in/out: buffer where to print */ + FILE* file) /*!< in/out: buffer where to print */ { time_t current_time; double time_elapsed; @@ -3924,12 +3913,12 @@ buf_refresh_io_stats(void) } /************************************************************************* -Asserts that all file pages in the buffer are in a replaceable state. */ +Asserts that all file pages in the buffer are in a replaceable state. +@return TRUE */ UNIV_INTERN ibool buf_all_freed(void) /*===============*/ - /* out: TRUE */ { buf_chunk_t* chunk; ulint i; @@ -3960,12 +3949,12 @@ buf_all_freed(void) /************************************************************************* Checks that there currently are no pending i/o-operations for the buffer -pool. */ +pool. +@return TRUE if there is no pending i/o */ UNIV_INTERN ibool buf_pool_check_no_pending_io(void) /*==============================*/ - /* out: TRUE if there is no pending i/o */ { ibool ret; @@ -3985,12 +3974,12 @@ buf_pool_check_no_pending_io(void) } /************************************************************************* -Gets the current length of the free list of buffer blocks. */ +Gets the current length of the free list of buffer blocks. +@return length of the free list */ UNIV_INTERN ulint buf_get_free_list_len(void) /*=======================*/ - /* out: length of the free list */ { ulint len; @@ -4009,12 +3998,12 @@ UNIV_INTERN void buf_page_init_for_backup_restore( /*=============================*/ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of a page */ - ulint zip_size,/* in: compressed page size in bytes + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - buf_block_t* block) /* in: block to init */ + buf_block_t* block) /*!< in: block to init */ { block->page.state = BUF_BLOCK_FILE_PAGE; block->page.space = space; diff --git a/buf/buf0flu.c b/buf/buf0flu.c index bf536d4c166..adc1050a26f 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -45,25 +45,24 @@ Created 11/11/1995 Heikki Tuuri #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************** -Validates the flush list. */ +Validates the flush list. +@return TRUE if ok */ static ibool buf_flush_validate_low(void); /*========================*/ - /* out: TRUE if ok */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ /********************************************************************** Insert a block in the flush_rbt and returns a pointer to its predecessor or NULL if no predecessor. The ordering is maintained -on the basis of the key. */ +on the basis of the key. +@return pointer to the predecessor or NULL if no predecessor. */ static buf_page_t* buf_flush_insert_in_flush_rbt( /*==========================*/ - /* out: pointer to the predecessor or - NULL if no predecessor. */ - buf_page_t* bpage) /* in: bpage to be inserted. */ + buf_page_t* bpage) /*!< in: bpage to be inserted. */ { buf_page_t* prev = NULL; const ib_rbt_node_t* c_node; @@ -92,7 +91,7 @@ static void buf_flush_delete_from_flush_rbt( /*============================*/ - buf_page_t* bpage) /* in: bpage to be removed. */ + buf_page_t* bpage) /*!< in: bpage to be removed. */ { ibool ret = FALSE; @@ -110,17 +109,14 @@ This comparison is used to maintian ordering of blocks in the buf_pool->flush_rbt. Note that for the purpose of flush_rbt, we only need to order blocks on the oldest_modification. The other two fields are used to uniquely -identify the blocks. */ +identify the blocks. +@return < 0 if b2 < b1, 0 if b2 == b1, > 0 if b2 > b1 */ static int buf_flush_block_cmp( /*================*/ - /* out: - < 0 if b2 < b1, - 0 if b2 == b1, - > 0 if b2 > b1 */ - const void* p1, /* in: block1 */ - const void* p2) /* in: block2 */ + const void* p1, /*!< in: block1 */ + const void* p2) /*!< in: block2 */ { int ret; @@ -195,7 +191,7 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block) /* in/out: block which is modified */ + buf_block_t* block) /*!< in/out: block which is modified */ { ut_ad(buf_pool_mutex_own()); ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) @@ -230,7 +226,7 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block) /* in/out: block which is modified */ + buf_block_t* block) /*!< in/out: block which is modified */ { buf_page_t* prev_b; buf_page_t* b; @@ -282,13 +278,13 @@ buf_flush_insert_sorted_into_flush_list( /************************************************************************ Returns TRUE if the file page block is immediately suitable for replacement, -i.e., the transition FILE_PAGE => NOT_USED allowed. */ +i.e., the transition FILE_PAGE => NOT_USED allowed. +@return TRUE if can replace immediately */ UNIV_INTERN ibool buf_flush_ready_for_replace( /*========================*/ - /* out: TRUE if can replace immediately */ - buf_page_t* bpage) /* in: buffer control block, must be + buf_page_t* bpage) /*!< in: buffer control block, must be buf_page_in_file(bpage) and in the LRU list */ { ut_ad(buf_pool_mutex_own()); @@ -314,15 +310,15 @@ buf_flush_ready_for_replace( } /************************************************************************ -Returns TRUE if the block is modified and ready for flushing. */ +Returns TRUE if the block is modified and ready for flushing. +@return TRUE if can flush immediately */ UNIV_INLINE ibool buf_flush_ready_for_flush( /*======================*/ - /* out: TRUE if can flush immediately */ - buf_page_t* bpage, /* in: buffer control block, must be + buf_page_t* bpage, /*!< in: buffer control block, must be buf_page_in_file(bpage) */ - enum buf_flush flush_type)/* in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ + enum buf_flush flush_type)/*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { ut_a(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); @@ -356,7 +352,7 @@ UNIV_INTERN void buf_flush_remove( /*=============*/ - buf_page_t* bpage) /* in: pointer to the block in question */ + buf_page_t* bpage) /*!< in: pointer to the block in question */ { ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); @@ -405,8 +401,8 @@ UNIV_INTERN void buf_flush_relocate_on_flush_list( /*=============================*/ - buf_page_t* bpage, /* in/out: control block being moved */ - buf_page_t* dpage) /* in/out: destination block */ + buf_page_t* bpage, /*!< in/out: control block being moved */ + buf_page_t* dpage) /*!< in/out: destination block */ { buf_page_t* prev; buf_page_t* prev_b = NULL; @@ -460,7 +456,7 @@ UNIV_INTERN void buf_flush_write_complete( /*=====================*/ - buf_page_t* bpage) /* in: pointer to the block in question */ + buf_page_t* bpage) /*!< in: pointer to the block in question */ { enum buf_flush flush_type; @@ -747,7 +743,7 @@ static void buf_flush_post_to_doublewrite_buf( /*==============================*/ - buf_page_t* bpage) /* in: buffer block to write */ + buf_page_t* bpage) /*!< in: buffer block to write */ { ulint zip_size; try_again: @@ -805,9 +801,9 @@ UNIV_INTERN void buf_flush_init_for_writing( /*=======================*/ - byte* page, /* in/out: page */ - void* page_zip_, /* in/out: compressed page, or NULL */ - ib_uint64_t newest_lsn) /* in: newest modification lsn + byte* page, /*!< in/out: page */ + void* page_zip_, /*!< in/out: compressed page, or NULL */ + ib_uint64_t newest_lsn) /*!< in: newest modification lsn to the page */ { ut_ad(page); @@ -886,7 +882,7 @@ static void buf_flush_write_block_low( /*======================*/ - buf_page_t* bpage) /* in: buffer block to write */ + buf_page_t* bpage) /*!< in: buffer block to write */ { ulint zip_size = buf_page_get_zip_size(bpage); page_t* frame = NULL; @@ -977,8 +973,8 @@ static void buf_flush_page( /*===========*/ - buf_page_t* bpage, /* in: buffer control block */ - enum buf_flush flush_type) /* in: BUF_FLUSH_LRU + buf_page_t* bpage, /*!< in: buffer control block */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { mutex_t* block_mutex; @@ -1081,15 +1077,15 @@ buf_flush_page( } /*************************************************************** -Flushes to disk all flushable pages within the flush area. */ +Flushes to disk all flushable pages within the flush area. +@return number of pages flushed */ static ulint buf_flush_try_neighbors( /*====================*/ - /* out: number of pages flushed */ - ulint space, /* in: space id */ - ulint offset, /* in: page offset */ - enum buf_flush flush_type) /* in: BUF_FLUSH_LRU or + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page offset */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { buf_page_t* bpage; @@ -1176,23 +1172,20 @@ This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to pages: to avoid deadlocks, this function must be written so that it cannot end up waiting for these latches! NOTE 2: in the case of a flush list flush, -the calling thread is not allowed to own any latches on pages! */ +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ UNIV_INTERN ulint buf_flush_batch( /*============*/ - /* out: number of blocks for which the - write request was queued; - ULINT_UNDEFINED if there was a flush - of the same type already running */ - enum buf_flush flush_type, /* in: BUF_FLUSH_LRU or + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST; if BUF_FLUSH_LIST, then the caller must not own any latches on pages */ - ulint min_n, /* in: wished minimum mumber of blocks + ulint min_n, /*!< in: wished minimum mumber of blocks flushed (it is not guaranteed that the actual number is that big, though) */ - ib_uint64_t lsn_limit) /* in the case BUF_FLUSH_LIST all + ib_uint64_t lsn_limit) /*!< in the case BUF_FLUSH_LIST all blocks whose oldest_modification is smaller than this should be flushed (if their number does not exceed @@ -1335,7 +1328,7 @@ UNIV_INTERN void buf_flush_wait_batch_end( /*=====================*/ - enum buf_flush type) /* in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ + enum buf_flush type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { ut_ad((type == BUF_FLUSH_LRU) || (type == BUF_FLUSH_LIST)); @@ -1345,13 +1338,12 @@ buf_flush_wait_batch_end( /********************************************************************** Gives a recommendation of how many blocks should be flushed to establish a big enough margin of replaceable blocks near the end of the LRU list -and in the free list. */ +and in the free list. +@return number of blocks which should be flushed from the end of the LRU list */ static ulint buf_flush_LRU_recommendation(void) /*==============================*/ - /* out: number of blocks which should be flushed - from the end of the LRU list */ { buf_page_t* bpage; ulint n_replaceable; @@ -1423,12 +1415,12 @@ buf_flush_free_margin(void) #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************** -Validates the flush list. */ +Validates the flush list. +@return TRUE if ok */ static ibool buf_flush_validate_low(void) /*========================*/ - /* out: TRUE if ok */ { buf_page_t* bpage; const ib_rbt_node_t* rnode = NULL; @@ -1473,12 +1465,12 @@ buf_flush_validate_low(void) } /********************************************************************** -Validates the flush list. */ +Validates the flush list. +@return TRUE if ok */ UNIV_INTERN ibool buf_flush_validate(void) /*====================*/ - /* out: TRUE if ok */ { ibool ret; diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 26fdf9d51bc..e1757c842cb 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -109,19 +109,16 @@ the object will be freed and buf_pool_zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be -relocated. */ +relocated. +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ static enum buf_page_state buf_LRU_block_remove_hashed_page( /*=============================*/ - /* out: the new state of the block - (BUF_BLOCK_ZIP_FREE if the state was - BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH - otherwise) */ - buf_page_t* bpage, /* in: block, must contain a file page and + buf_page_t* bpage, /*!< in: block, must contain a file page and be in a state where it can be freed; there may or may not be a hash index to the page */ - ibool zip); /* in: TRUE if should remove also the + ibool zip); /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ /********************************************************************** Puts a file page whose has no hash index to the free list. */ @@ -129,17 +126,17 @@ static void buf_LRU_block_free_hashed_page( /*===========================*/ - buf_block_t* block); /* in: block, must contain a file page and + buf_block_t* block); /*!< in: block, must contain a file page and be in a state where it can be freed */ /********************************************************************** Determines if the unzip_LRU list should be used for evicting a victim -instead of the general LRU list. */ +instead of the general LRU list. +@return TRUE if should use unzip_LRU */ UNIV_INLINE ibool buf_LRU_evict_from_unzip_LRU(void) /*==============================*/ - /* out: TRUE if should use unzip_LRU */ { ulint io_avg; ulint unzip_avg; @@ -186,11 +183,11 @@ static void buf_LRU_drop_page_hash_batch( /*=========================*/ - ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - const ulint* arr, /* in: array of page_no */ - ulint count) /* in: number of entries in array */ + const ulint* arr, /*!< in: array of page_no */ + ulint count) /*!< in: number of entries in array */ { ulint i; @@ -212,7 +209,7 @@ static void buf_LRU_drop_page_hash_for_tablespace( /*==================================*/ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { buf_page_t* bpage; ulint* page_arr; @@ -313,7 +310,7 @@ UNIV_INTERN void buf_LRU_invalidate_tablespace( /*==========================*/ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { buf_page_t* bpage; ibool all_freed; @@ -428,12 +425,12 @@ next_page: /********************************************************************** Gets the minimum LRU_position field for the blocks in an initial segment (determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not -guaranteed to be precise, because the ulint_clock may wrap around. */ +guaranteed to be precise, because the ulint_clock may wrap around. +@return the limit; zero if could not determine it */ UNIV_INTERN ulint buf_LRU_get_recent_limit(void) /*==========================*/ - /* out: the limit; zero if could not determine it */ { const buf_page_t* bpage; ulint len; @@ -466,7 +463,7 @@ UNIV_INTERN void buf_LRU_insert_zip_clean( /*=====================*/ - buf_page_t* bpage) /* in: pointer to the block in question */ + buf_page_t* bpage) /*!< in: pointer to the block in question */ { buf_page_t* b; @@ -494,13 +491,13 @@ buf_LRU_insert_zip_clean( /********************************************************************** Try to free an uncompressed page of a compressed block from the unzip -LRU list. The compressed page is preserved, and it need not be clean. */ +LRU list. The compressed page is preserved, and it need not be clean. +@return TRUE if freed */ UNIV_INLINE ibool buf_LRU_free_from_unzip_LRU_list( /*=============================*/ - /* out: TRUE if freed */ - ulint n_iterations) /* in: how many times this has been called + ulint n_iterations) /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; we will search n_iterations / 5 of the unzip_LRU list, @@ -565,13 +562,13 @@ buf_LRU_free_from_unzip_LRU_list( } /********************************************************************** -Try to free a clean page from the common LRU list. */ +Try to free a clean page from the common LRU list. +@return TRUE if freed */ UNIV_INLINE ibool buf_LRU_free_from_common_LRU_list( /*==============================*/ - /* out: TRUE if freed */ - ulint n_iterations) /* in: how many times this has been called + ulint n_iterations) /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; if n_iterations < 10, then we search @@ -624,13 +621,13 @@ buf_LRU_free_from_common_LRU_list( } /********************************************************************** -Try to free a replaceable block. */ +Try to free a replaceable block. +@return TRUE if found and freed */ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - /* out: TRUE if found and freed */ - ulint n_iterations) /* in: how many times this has been called + ulint n_iterations) /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; if n_iterations < 10, then we search @@ -690,13 +687,12 @@ buf_LRU_try_free_flushed_blocks(void) /********************************************************************** Returns TRUE if less than 25 % of the buffer pool is available. This can be used in heuristics to prevent huge transactions eating up the whole buffer -pool for their locks. */ +pool for their locks. +@return TRUE if less than 25 % of buffer pool left */ UNIV_INTERN ibool buf_LRU_buf_pool_running_out(void) /*==============================*/ - /* out: TRUE if less than 25 % of buffer pool - left */ { ibool ret = FALSE; @@ -715,13 +711,12 @@ buf_LRU_buf_pool_running_out(void) /********************************************************************** Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, returns NULL. */ +free list. If it is empty, returns NULL. +@return a free control block, or NULL if the buf_block->free list is empty */ UNIV_INTERN buf_block_t* buf_LRU_get_free_only(void) /*=======================*/ - /* out: a free control block, or NULL - if the buf_block->free list is empty */ { buf_block_t* block; @@ -751,14 +746,13 @@ buf_LRU_get_free_only(void) /********************************************************************** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, blocks are moved from the end of the -LRU list to the free list. */ +LRU list to the free list. +@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ UNIV_INTERN buf_block_t* buf_LRU_get_free_block( /*===================*/ - /* out: the free control block, - in state BUF_BLOCK_READY_FOR_USE */ - ulint zip_size) /* in: compressed page size in bytes, + ulint zip_size) /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ { buf_block_t* block = NULL; @@ -1036,7 +1030,7 @@ static void buf_unzip_LRU_remove_block_if_needed( /*=================================*/ - buf_page_t* bpage) /* in/out: control block */ + buf_page_t* bpage) /*!< in/out: control block */ { ut_ad(buf_pool); ut_ad(bpage); @@ -1059,7 +1053,7 @@ UNIV_INLINE void buf_LRU_remove_block( /*=================*/ - buf_page_t* bpage) /* in: control block */ + buf_page_t* bpage) /*!< in: control block */ { ut_ad(buf_pool); ut_ad(bpage); @@ -1120,8 +1114,8 @@ UNIV_INTERN void buf_unzip_LRU_add_block( /*====================*/ - buf_block_t* block, /* in: control block */ - ibool old) /* in: TRUE if should be put to the end + buf_block_t* block, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the end of the list, else put to the start */ { ut_ad(buf_pool); @@ -1146,7 +1140,7 @@ UNIV_INLINE void buf_LRU_add_block_to_end_low( /*=========================*/ - buf_page_t* bpage) /* in: control block */ + buf_page_t* bpage) /*!< in: control block */ { buf_page_t* last_bpage; @@ -1204,8 +1198,8 @@ UNIV_INLINE void buf_LRU_add_block_low( /*==================*/ - buf_page_t* bpage, /* in: control block */ - ibool old) /* in: TRUE if should be put to the old blocks + buf_page_t* bpage, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the old blocks in the LRU list, else put to the start; if the LRU list is very short, the block is added to the start, regardless of this parameter */ @@ -1276,8 +1270,8 @@ UNIV_INTERN void buf_LRU_add_block( /*==============*/ - buf_page_t* bpage, /* in: control block */ - ibool old) /* in: TRUE if should be put to the old + buf_page_t* bpage, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the old blocks in the LRU list, else put to the start; if the LRU list is very short, the block is added to the start, regardless of this @@ -1292,7 +1286,7 @@ UNIV_INTERN void buf_LRU_make_block_young( /*=====================*/ - buf_page_t* bpage) /* in: control block */ + buf_page_t* bpage) /*!< in: control block */ { buf_LRU_remove_block(bpage); buf_LRU_add_block_low(bpage, FALSE); @@ -1304,7 +1298,7 @@ UNIV_INTERN void buf_LRU_make_block_old( /*===================*/ - buf_page_t* bpage) /* in: control block */ + buf_page_t* bpage) /*!< in: control block */ { buf_LRU_remove_block(bpage); buf_LRU_add_block_to_end_low(bpage); @@ -1320,19 +1314,17 @@ accessible via bpage. The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other -buf_page_get_mutex() may be held when calling this function. */ +buf_page_get_mutex() may be held when calling this function. +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or BUF_LRU_NOT_FREED otherwise. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( /*===============*/ - /* out: BUF_LRU_FREED if freed, - BUF_LRU_CANNOT_RELOCATE or - BUF_LRU_NOT_FREED otherwise. */ - buf_page_t* bpage, /* in: block to be freed */ - ibool zip, /* in: TRUE if should remove also the + buf_page_t* bpage, /*!< in: block to be freed */ + ibool zip, /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ ibool* buf_pool_mutex_released) - /* in: pointer to a variable that will + /*!< in: pointer to a variable that will be assigned TRUE if buf_pool_mutex was temporarily released, or NULL */ { @@ -1563,7 +1555,7 @@ UNIV_INTERN void buf_LRU_block_free_non_file_page( /*=============================*/ - buf_block_t* block) /* in: block, must not contain a file page */ + buf_block_t* block) /*!< in: block, must not contain a file page */ { void* data; @@ -1622,19 +1614,16 @@ the object will be freed and buf_pool_zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be -relocated. */ +relocated. +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ static enum buf_page_state buf_LRU_block_remove_hashed_page( /*=============================*/ - /* out: the new state of the block - (BUF_BLOCK_ZIP_FREE if the state was - BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH - otherwise) */ - buf_page_t* bpage, /* in: block, must contain a file page and + buf_page_t* bpage, /*!< in: block, must contain a file page and be in a state where it can be freed; there may or may not be a hash index to the page */ - ibool zip) /* in: TRUE if should remove also the + ibool zip) /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ { const buf_page_t* hashed_bpage; @@ -1820,7 +1809,7 @@ static void buf_LRU_block_free_hashed_page( /*===========================*/ - buf_block_t* block) /* in: block, must contain a file page and + buf_block_t* block) /*!< in: block, must contain a file page and be in a state where it can be freed */ { ut_ad(buf_pool_mutex_own()); @@ -1869,12 +1858,12 @@ func_exit: #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** -Validates the LRU list. */ +Validates the LRU list. +@return TRUE */ UNIV_INTERN ibool buf_LRU_validate(void) /*==================*/ - /* out: TRUE */ { buf_page_t* bpage; buf_block_t* block; diff --git a/buf/buf0rea.c b/buf/buf0rea.c index bfecb963e30..539ecb976e5 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -63,32 +63,28 @@ i/o-fixed buffer blocks */ Low-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there, in which case does nothing. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The -flag is cleared and the x-lock released by an i/o-handler thread. */ +flag is cleared and the x-lock released by an i/o-handler thread. +@return 1 if a read request was queued, 0 if the page already resided in buf_pool, or if the page is in the doublewrite buffer blocks in which case it is never read into the pool, or if the tablespace does not exist or is being dropped */ static ulint buf_read_page_low( /*==============*/ - /* out: 1 if a read request was queued, 0 if the page - already resided in buf_pool, or if the page is in - the doublewrite buffer blocks in which case it is never - read into the pool, or if the tablespace does not - exist or is being dropped */ - ulint* err, /* out: DB_SUCCESS or DB_TABLESPACE_DELETED if we are + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED if we are trying to read from a non-existent tablespace, or a tablespace which is just now being dropped */ - ibool sync, /* in: TRUE if synchronous aio is desired */ - ulint mode, /* in: BUF_READ_IBUF_PAGES_ONLY, ..., + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ..., ORed to OS_AIO_SIMULATED_WAKE_LATER (see below at read-ahead functions) */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size, or 0 */ - ibool unzip, /* in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version, /* in: if the space memory object has + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version, /*!< in: if the space memory object has this timestamp different from what we are giving here, treat the tablespace as dropped; this is a timestamp we use to stop dangling page reads from a tablespace which we have DISCARDed + IMPORTed back */ - ulint offset) /* in: page number */ + ulint offset) /*!< in: page number */ { buf_page_t* bpage; ulint wake_later; @@ -179,18 +175,15 @@ pages: to avoid deadlocks this function must be written such that it cannot end up waiting for these latches! NOTE 2: the calling thread must want access to the page given: this rule is set to prevent unintended read-aheads performed by ibuf routines, a situation which could result in a deadlock if -the OS does not support asynchronous i/o. */ +the OS does not support asynchronous i/o. +@return number of page read requests issued; NOTE that if we read ibuf pages, it may happen that the page at the given page number does not get read even if we return a value > 0! */ static ulint buf_read_ahead_random( /*==================*/ - /* out: number of page read requests issued; NOTE - that if we read ibuf pages, it may happen that - the page at the given page number does not get - read even if we return a value > 0! */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint offset) /* in: page number of a page which the current thread + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset) /*!< in: page number of a page which the current thread wants to access */ { ib_int64_t tablespace_version; @@ -332,16 +325,15 @@ High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock released by the i/o-handler thread. Does a random read-ahead if it seems -sensible. */ +sensible. +@return number of page read requests issued: this can be > 1 if read-ahead occurred */ UNIV_INTERN ulint buf_read_page( /*==========*/ - /* out: number of page read requests issued: this can - be > 1 if read-ahead occurred */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset) /*!< in: page number */ { ib_int64_t tablespace_version; ulint count; @@ -400,15 +392,15 @@ function must be written such that it cannot end up waiting for these latches! NOTE 3: the calling thread must want access to the page given: this rule is set to prevent unintended read-aheads performed by ibuf routines, a situation -which could result in a deadlock if the OS does not support asynchronous io. */ +which could result in a deadlock if the OS does not support asynchronous io. +@return number of page read requests issued */ UNIV_INTERN ulint buf_read_ahead_linear( /*==================*/ - /* out: number of page read requests issued */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint offset) /* in: page number of a page; NOTE: the current thread + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset) /*!< in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ { ib_int64_t tablespace_version; @@ -653,24 +645,24 @@ UNIV_INTERN void buf_read_ibuf_merge_pages( /*======================*/ - ibool sync, /* in: TRUE if the caller + ibool sync, /*!< in: TRUE if the caller wants this function to wait for the highest address page to get read in, before this function returns */ - const ulint* space_ids, /* in: array of space ids */ - const ib_int64_t* space_versions,/* in: the spaces must have + const ulint* space_ids, /*!< in: array of space ids */ + const ib_int64_t* space_versions,/*!< in: the spaces must have this version number (timestamp), otherwise we discard the read; we use this to cancel reads if DISCARD + IMPORT may have changed the tablespace size */ - const ulint* page_nos, /* in: array of page numbers + const ulint* page_nos, /*!< in: array of page numbers to read, with the highest page number the last in the array */ - ulint n_stored) /* in: number of elements + ulint n_stored) /*!< in: number of elements in the arrays */ { ulint i; @@ -729,19 +721,19 @@ UNIV_INTERN void buf_read_recv_pages( /*================*/ - ibool sync, /* in: TRUE if the caller + ibool sync, /*!< in: TRUE if the caller wants this function to wait for the highest address page to get read in, before this function returns */ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes, or 0 */ - const ulint* page_nos, /* in: array of page numbers + const ulint* page_nos, /*!< in: array of page numbers to read, with the highest page number the last in the array */ - ulint n_stored) /* in: number of page numbers + ulint n_stored) /*!< in: number of page numbers in the array */ { ib_int64_t tablespace_version; diff --git a/data/data0data.c b/data/data0data.c index 42aa0003d31..b3a31a546c4 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -52,15 +52,15 @@ UNIV_INTERN ulint data_dummy; #ifndef UNIV_HOTBACKUP /************************************************************************* -Tests if dfield data length and content is equal to the given. */ +Tests if dfield data length and content is equal to the given. +@return TRUE if equal */ UNIV_INTERN ibool dfield_data_is_binary_equal( /*========================*/ - /* out: TRUE if equal */ - const dfield_t* field, /* in: field */ - ulint len, /* in: data length or UNIV_SQL_NULL */ - const byte* data) /* in: data */ + const dfield_t* field, /*!< in: field */ + ulint len, /*!< in: data length or UNIV_SQL_NULL */ + const byte* data) /*!< in: data */ { if (len != dfield_get_len(field)) { @@ -81,15 +81,14 @@ dfield_data_is_binary_equal( } /**************************************************************** -Compare two data tuples, respecting the collation of character fields. */ +Compare two data tuples, respecting the collation of character fields. +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, than tuple2 */ UNIV_INTERN int dtuple_coll_cmp( /*============*/ - /* out: 1, 0 , -1 if tuple1 is greater, equal, - less, respectively, than tuple2 */ - const dtuple_t* tuple1, /* in: tuple 1 */ - const dtuple_t* tuple2) /* in: tuple 2 */ + const dtuple_t* tuple1, /*!< in: tuple 1 */ + const dtuple_t* tuple2) /*!< in: tuple 2 */ { ulint n_fields; ulint i; @@ -129,8 +128,8 @@ UNIV_INTERN void dtuple_set_n_fields( /*================*/ - dtuple_t* tuple, /* in: tuple */ - ulint n_fields) /* in: number of fields */ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields) /*!< in: number of fields */ { ut_ad(tuple); @@ -139,13 +138,13 @@ dtuple_set_n_fields( } /************************************************************** -Checks that a data field is typed. */ +Checks that a data field is typed. +@return TRUE if ok */ static ibool dfield_check_typed_no_assert( /*=========================*/ - /* out: TRUE if ok */ - const dfield_t* field) /* in: data field */ + const dfield_t* field) /*!< in: data field */ { if (dfield_get_type(field)->mtype > DATA_MYSQL || dfield_get_type(field)->mtype < DATA_VARCHAR) { @@ -161,13 +160,13 @@ dfield_check_typed_no_assert( } /************************************************************** -Checks that a data tuple is typed. */ +Checks that a data tuple is typed. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_check_typed_no_assert( /*=========================*/ - /* out: TRUE if ok */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { const dfield_t* field; ulint i; @@ -199,13 +198,13 @@ dump: #ifdef UNIV_DEBUG /************************************************************** -Checks that a data field is typed. Asserts an error if not. */ +Checks that a data field is typed. Asserts an error if not. +@return TRUE if ok */ UNIV_INTERN ibool dfield_check_typed( /*===============*/ - /* out: TRUE if ok */ - const dfield_t* field) /* in: data field */ + const dfield_t* field) /*!< in: data field */ { if (dfield_get_type(field)->mtype > DATA_MYSQL || dfield_get_type(field)->mtype < DATA_VARCHAR) { @@ -222,13 +221,13 @@ dfield_check_typed( } /************************************************************** -Checks that a data tuple is typed. Asserts an error if not. */ +Checks that a data tuple is typed. Asserts an error if not. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_check_typed( /*===============*/ - /* out: TRUE if ok */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { const dfield_t* field; ulint i; @@ -245,13 +244,13 @@ dtuple_check_typed( /************************************************************** Validates the consistency of a tuple which must be complete, i.e, -all fields must have been set. */ +all fields must have been set. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_validate( /*============*/ - /* out: TRUE if ok */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { const dfield_t* field; ulint n_fields; @@ -302,7 +301,7 @@ UNIV_INTERN void dfield_print( /*=========*/ - const dfield_t* dfield) /* in: dfield */ + const dfield_t* dfield) /*!< in: dfield */ { const byte* data; ulint len; @@ -345,7 +344,7 @@ UNIV_INTERN void dfield_print_also_hex( /*==================*/ - const dfield_t* dfield) /* in: dfield */ + const dfield_t* dfield) /*!< in: dfield */ { const byte* data; ulint len; @@ -516,8 +515,8 @@ static void dfield_print_raw( /*=============*/ - FILE* f, /* in: output stream */ - const dfield_t* dfield) /* in: dfield */ + FILE* f, /*!< in: output stream */ + const dfield_t* dfield) /*!< in: dfield */ { ulint len = dfield_get_len(dfield); if (!dfield_is_null(dfield)) { @@ -539,8 +538,8 @@ UNIV_INTERN void dtuple_print( /*=========*/ - FILE* f, /* in: output stream */ - const dtuple_t* tuple) /* in: tuple */ + FILE* f, /*!< in: output stream */ + const dtuple_t* tuple) /*!< in: tuple */ { ulint n_fields; ulint i; @@ -565,19 +564,15 @@ dtuple_print( Moves parts of long fields in entry to the big record vector so that the size of tuple drops below the maximum record size allowed in the database. Moves data only from those fields which are not necessary -to determine uniquely the insertion place of the tuple in the index. */ +to determine uniquely the insertion place of the tuple in the index. +@return own: created big record vector, NULL if we are not able to shorten the entry enough, i.e., if there are too many fixed-length or short fields in entry or the index is clustered */ UNIV_INTERN big_rec_t* dtuple_convert_big_rec( /*===================*/ - /* out, own: created big record vector, - NULL if we are not able to shorten - the entry enough, i.e., if there are - too many fixed-length or short fields - in entry or the index is clustered */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in/out: index entry */ - ulint* n_ext) /* in/out: number of + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in/out: index entry */ + ulint* n_ext) /*!< in/out: number of externally stored columns */ { mem_heap_t* heap; @@ -732,9 +727,9 @@ UNIV_INTERN void dtuple_convert_back_big_rec( /*========================*/ - dict_index_t* index __attribute__((unused)), /* in: index */ - dtuple_t* entry, /* in: entry whose data was put to vector */ - big_rec_t* vector) /* in, own: big rec vector; it is + dict_index_t* index __attribute__((unused)), /*!< in: index */ + dtuple_t* entry, /*!< in: entry whose data was put to vector */ + big_rec_t* vector) /*!< in, own: big rec vector; it is freed in this function */ { big_rec_field_t* b = vector->fields; diff --git a/data/data0type.c b/data/data0type.c index e03f4fee003..8a35e4021b9 100644 --- a/data/data0type.c +++ b/data/data0type.c @@ -41,23 +41,22 @@ UNIV_INTERN ulint data_mysql_default_charset_coll; /************************************************************************* Determine how many bytes the first n characters of the given string occupy. If the string is shorter than n characters, returns the number of bytes -the characters in the string occupy. */ +the characters in the string occupy. +@return length of the prefix, in bytes */ UNIV_INTERN ulint dtype_get_at_most_n_mbchars( /*========================*/ - /* out: length of the prefix, - in bytes */ - ulint prtype, /* in: precise type */ - ulint mbminlen, /* in: minimum length of a + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a multi-byte character */ - ulint mbmaxlen, /* in: maximum length of a + ulint mbmaxlen, /*!< in: maximum length of a multi-byte character */ - ulint prefix_len, /* in: length of the requested + ulint prefix_len, /*!< in: length of the requested prefix, in characters, multiplied by dtype_get_mbmaxlen(dtype) */ - ulint data_len, /* in: length of str (in bytes) */ - const char* str) /* in: the string whose prefix + ulint data_len, /*!< in: length of str (in bytes) */ + const char* str) /*!< in: the string whose prefix length is being determined */ { ut_a(data_len != UNIV_SQL_NULL); @@ -82,13 +81,13 @@ dtype_get_at_most_n_mbchars( /************************************************************************* Checks if a data main type is a string type. Also a BLOB is considered a -string type. */ +string type. +@return TRUE if string type */ UNIV_INTERN ibool dtype_is_string_type( /*=================*/ - /* out: TRUE if string type */ - ulint mtype) /* in: InnoDB main data type code: DATA_CHAR, ... */ + ulint mtype) /*!< in: InnoDB main data type code: DATA_CHAR, ... */ { if (mtype <= DATA_BLOB || mtype == DATA_MYSQL @@ -103,14 +102,14 @@ dtype_is_string_type( /************************************************************************* Checks if a type is a binary string type. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For -those DATA_BLOB columns this function currently returns FALSE. */ +those DATA_BLOB columns this function currently returns FALSE. +@return TRUE if binary string type */ UNIV_INTERN ibool dtype_is_binary_string_type( /*========================*/ - /* out: TRUE if binary string type */ - ulint mtype, /* in: main data type */ - ulint prtype) /* in: precise type */ + ulint mtype, /*!< in: main data type */ + ulint prtype) /*!< in: precise type */ { if ((mtype == DATA_FIXBINARY) || (mtype == DATA_BINARY) @@ -126,14 +125,14 @@ dtype_is_binary_string_type( Checks if a type is a non-binary string type. That is, dtype_is_string_type is TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. -For those DATA_BLOB columns this function currently returns TRUE. */ +For those DATA_BLOB columns this function currently returns TRUE. +@return TRUE if non-binary string type */ UNIV_INTERN ibool dtype_is_non_binary_string_type( /*============================*/ - /* out: TRUE if non-binary string type */ - ulint mtype, /* in: main data type */ - ulint prtype) /* in: precise type */ + ulint mtype, /*!< in: main data type */ + ulint prtype) /*!< in: precise type */ { if (dtype_is_string_type(mtype) == TRUE && dtype_is_binary_string_type(mtype, prtype) == FALSE) { @@ -151,9 +150,9 @@ UNIV_INTERN ulint dtype_form_prtype( /*==============*/ - ulint old_prtype, /* in: the MySQL type code and the flags + ulint old_prtype, /*!< in: the MySQL type code and the flags DATA_BINARY_TYPE etc. */ - ulint charset_coll) /* in: MySQL charset-collation code */ + ulint charset_coll) /*!< in: MySQL charset-collation code */ { ut_a(old_prtype < 256 * 256); ut_a(charset_coll < 256); @@ -162,13 +161,13 @@ dtype_form_prtype( } /************************************************************************* -Validates a data type structure. */ +Validates a data type structure. +@return TRUE if ok */ UNIV_INTERN ibool dtype_validate( /*===========*/ - /* out: TRUE if ok */ - const dtype_t* type) /* in: type struct to validate */ + const dtype_t* type) /*!< in: type struct to validate */ { ut_a(type); ut_a(type->mtype >= DATA_VARCHAR); @@ -192,7 +191,7 @@ UNIV_INTERN void dtype_print( /*========*/ - const dtype_t* type) /* in: type */ + const dtype_t* type) /*!< in: type */ { ulint mtype; ulint prtype; diff --git a/dict/dict0boot.c b/dict/dict0boot.c index 34ec4e393f8..670f86fcd08 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -40,14 +40,13 @@ Created 4/18/1996 Heikki Tuuri #include "os0file.h" /************************************************************************** -Gets a pointer to the dictionary header and x-latches its page. */ +Gets a pointer to the dictionary header and x-latches its page. +@return pointer to the dictionary header, page x-latched */ UNIV_INTERN dict_hdr_t* dict_hdr_get( /*=========*/ - /* out: pointer to the dictionary header, - page x-latched */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; dict_hdr_t* header; @@ -62,13 +61,13 @@ dict_hdr_get( } /************************************************************************** -Returns a new table, index, or tree id. */ +Returns a new table, index, or tree id. +@return the new id */ UNIV_INTERN dulint dict_hdr_get_new_id( /*================*/ - /* out: the new id */ - ulint type) /* in: DICT_HDR_ROW_ID, ... */ + ulint type) /*!< in: DICT_HDR_ROW_ID, ... */ { dict_hdr_t* dict_hdr; dulint id; @@ -117,13 +116,13 @@ dict_hdr_flush_row_id(void) /********************************************************************* Creates the file page for the dictionary header. This function is -called only at the database creation. */ +called only at the database creation. +@return TRUE if succeed */ static ibool dict_hdr_create( /*============*/ - /* out: TRUE if succeed */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; dict_hdr_t* dict_header; diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 7fe5c68bfa2..c4d39f837df 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -44,14 +44,14 @@ Created 1/8/1996 Heikki Tuuri /********************************************************************* Based on a table object, this function builds the entry to be inserted -in the SYS_TABLES system table. */ +in the SYS_TABLES system table. +@return the tuple which should be inserted */ static dtuple_t* dict_create_sys_tables_tuple( /*=========================*/ - /* out: the tuple which should be inserted */ - dict_table_t* table, /* in: table */ - mem_heap_t* heap) /* in: memory heap from which the memory for + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for the built tuple is allocated */ { dict_table_t* sys_tables; @@ -136,15 +136,15 @@ dict_create_sys_tables_tuple( /********************************************************************* Based on a table object, this function builds the entry to be inserted -in the SYS_COLUMNS system table. */ +in the SYS_COLUMNS system table. +@return the tuple which should be inserted */ static dtuple_t* dict_create_sys_columns_tuple( /*==========================*/ - /* out: the tuple which should be inserted */ - dict_table_t* table, /* in: table */ - ulint i, /* in: column number */ - mem_heap_t* heap) /* in: memory heap from which the memory for + dict_table_t* table, /*!< in: table */ + ulint i, /*!< in: column number */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for the built tuple is allocated */ { dict_table_t* sys_columns; @@ -217,14 +217,14 @@ dict_create_sys_columns_tuple( } /******************************************************************* -Builds a table definition to insert. */ +Builds a table definition to insert. +@return DB_SUCCESS or error code */ static ulint dict_build_table_def_step( /*======================*/ - /* out: DB_SUCCESS or error code */ - que_thr_t* thr, /* in: query thread */ - tab_node_t* node) /* in: table create node */ + que_thr_t* thr, /*!< in: query thread */ + tab_node_t* node) /*!< in: table create node */ { dict_table_t* table; dtuple_t* row; @@ -296,13 +296,13 @@ dict_build_table_def_step( } /******************************************************************* -Builds a column definition to insert. */ +Builds a column definition to insert. +@return DB_SUCCESS */ static ulint dict_build_col_def_step( /*====================*/ - /* out: DB_SUCCESS */ - tab_node_t* node) /* in: table create node */ + tab_node_t* node) /*!< in: table create node */ { dtuple_t* row; @@ -315,14 +315,14 @@ dict_build_col_def_step( /********************************************************************* Based on an index object, this function builds the entry to be inserted -in the SYS_INDEXES system table. */ +in the SYS_INDEXES system table. +@return the tuple which should be inserted */ static dtuple_t* dict_create_sys_indexes_tuple( /*==========================*/ - /* out: the tuple which should be inserted */ - dict_index_t* index, /* in: index */ - mem_heap_t* heap) /* in: memory heap from which the memory for + dict_index_t* index, /*!< in: index */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for the built tuple is allocated */ { dict_table_t* sys_indexes; @@ -405,15 +405,15 @@ dict_create_sys_indexes_tuple( /********************************************************************* Based on an index object, this function builds the entry to be inserted -in the SYS_FIELDS system table. */ +in the SYS_FIELDS system table. +@return the tuple which should be inserted */ static dtuple_t* dict_create_sys_fields_tuple( /*=========================*/ - /* out: the tuple which should be inserted */ - dict_index_t* index, /* in: index */ - ulint i, /* in: field number */ - mem_heap_t* heap) /* in: memory heap from which the memory for + dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: field number */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for the built tuple is allocated */ { dict_table_t* sys_fields; @@ -481,15 +481,15 @@ dict_create_sys_fields_tuple( /********************************************************************* Creates the tuple with which the index entry is searched for writing the index -tree root page number, if such a tree is created. */ +tree root page number, if such a tree is created. +@return the tuple for search */ static dtuple_t* dict_create_search_tuple( /*=====================*/ - /* out: the tuple for search */ - const dtuple_t* tuple, /* in: the tuple inserted in the SYS_INDEXES + const dtuple_t* tuple, /*!< in: the tuple inserted in the SYS_INDEXES table */ - mem_heap_t* heap) /* in: memory heap from which the memory for + mem_heap_t* heap) /*!< in: memory heap from which the memory for the built tuple is allocated */ { dtuple_t* search_tuple; @@ -516,14 +516,14 @@ dict_create_search_tuple( } /******************************************************************* -Builds an index definition row to insert. */ +Builds an index definition row to insert. +@return DB_SUCCESS or error code */ static ulint dict_build_index_def_step( /*======================*/ - /* out: DB_SUCCESS or error code */ - que_thr_t* thr, /* in: query thread */ - ind_node_t* node) /* in: index create node */ + que_thr_t* thr, /*!< in: query thread */ + ind_node_t* node) /*!< in: index create node */ { dict_table_t* table; dict_index_t* index; @@ -568,13 +568,13 @@ dict_build_index_def_step( } /******************************************************************* -Builds a field definition row to insert. */ +Builds a field definition row to insert. +@return DB_SUCCESS */ static ulint dict_build_field_def_step( /*======================*/ - /* out: DB_SUCCESS */ - ind_node_t* node) /* in: index create node */ + ind_node_t* node) /*!< in: index create node */ { dict_index_t* index; dtuple_t* row; @@ -589,13 +589,13 @@ dict_build_field_def_step( } /******************************************************************* -Creates an index tree for the index if it is not a member of a cluster. */ +Creates an index tree for the index if it is not a member of a cluster. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint dict_create_index_tree_step( /*========================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - ind_node_t* node) /* in: index create node */ + ind_node_t* node) /*!< in: index create node */ { dict_index_t* index; dict_table_t* sys_indexes; @@ -651,9 +651,9 @@ UNIV_INTERN void dict_drop_index_tree( /*=================*/ - rec_t* rec, /* in/out: record in the clustered index + rec_t* rec, /*!< in/out: record in the clustered index of SYS_INDEXES table */ - mtr_t* mtr) /* in: mtr having the latch on the record page */ + mtr_t* mtr) /*!< in: mtr having the latch on the record page */ { ulint root_page_no; ulint space; @@ -709,22 +709,21 @@ dict_drop_index_tree( } /*********************************************************************** -Truncates the index tree associated with a row in SYS_INDEXES table. */ +Truncates the index tree associated with a row in SYS_INDEXES table. +@return new root page number, or FIL_NULL on failure */ UNIV_INTERN ulint dict_truncate_index_tree( /*=====================*/ - /* out: new root page number, or - FIL_NULL on failure */ - dict_table_t* table, /* in: the table the index belongs to */ - ulint space, /* in: 0=truncate, + dict_table_t* table, /*!< in: the table the index belongs to */ + ulint space, /*!< in: 0=truncate, nonzero=create the index tree in the given tablespace */ - btr_pcur_t* pcur, /* in/out: persistent cursor pointing to + btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to record in the clustered index of SYS_INDEXES table. The cursor may be repositioned in this call. */ - mtr_t* mtr) /* in: mtr having the latch + mtr_t* mtr) /*!< in: mtr having the latch on the record page. The mtr may be committed and restarted in this call. */ { @@ -845,15 +844,15 @@ create: } /************************************************************************* -Creates a table create graph. */ +Creates a table create graph. +@return own: table create node */ UNIV_INTERN tab_node_t* tab_create_graph_create( /*====================*/ - /* out, own: table create node */ - dict_table_t* table, /* in: table to create, built as a memory data + dict_table_t* table, /*!< in: table to create, built as a memory data structure */ - mem_heap_t* heap) /* in: heap where created */ + mem_heap_t* heap) /*!< in: heap where created */ { tab_node_t* node; @@ -881,15 +880,15 @@ tab_create_graph_create( } /************************************************************************* -Creates an index create graph. */ +Creates an index create graph. +@return own: index create node */ UNIV_INTERN ind_node_t* ind_create_graph_create( /*====================*/ - /* out, own: index create node */ - dict_index_t* index, /* in: index to create, built as a memory data + dict_index_t* index, /*!< in: index to create, built as a memory data structure */ - mem_heap_t* heap) /* in: heap where created */ + mem_heap_t* heap) /*!< in: heap where created */ { ind_node_t* node; @@ -918,13 +917,13 @@ ind_create_graph_create( } /*************************************************************** -Creates a table. This is a high-level function used in SQL execution graphs. */ +Creates a table. This is a high-level function used in SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* dict_create_table_step( /*===================*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { tab_node_t* node; ulint err = DB_ERROR; @@ -1025,13 +1024,13 @@ function_exit: /*************************************************************** Creates an index. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* dict_create_index_step( /*===================*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ind_node_t* node; ulint err = DB_ERROR; @@ -1157,12 +1156,12 @@ function_exit: /******************************************************************** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are -not of the right form. */ +not of the right form. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_create_or_check_foreign_constraint_tables(void) /*================================================*/ - /* out: DB_SUCCESS or error code */ { dict_table_t* table1; dict_table_t* table2; @@ -1276,17 +1275,17 @@ dict_create_or_check_foreign_constraint_tables(void) } /******************************************************************** -Evaluate the given foreign key SQL statement. */ +Evaluate the given foreign key SQL statement. +@return error code or DB_SUCCESS */ static ulint dict_foreign_eval_sql( /*==================*/ - /* out: error code or DB_SUCCESS */ - pars_info_t* info, /* in: info struct, or NULL */ - const char* sql, /* in: SQL string to evaluate */ - dict_table_t* table, /* in: table */ - dict_foreign_t* foreign,/* in: foreign */ - trx_t* trx) /* in: transaction */ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string to evaluate */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign,/*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ { ulint error; FILE* ef = dict_foreign_err_file; @@ -1342,16 +1341,16 @@ dict_foreign_eval_sql( /************************************************************************ Add a single foreign key field definition to the data dictionary tables in -the database. */ +the database. +@return error code or DB_SUCCESS */ static ulint dict_create_add_foreign_field_to_dictionary( /*========================================*/ - /* out: error code or DB_SUCCESS */ - ulint field_nr, /* in: foreign field number */ - dict_table_t* table, /* in: table */ - dict_foreign_t* foreign, /* in: foreign */ - trx_t* trx) /* in: transaction */ + ulint field_nr, /*!< in: foreign field number */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign, /*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ { pars_info_t* info = pars_info_create(); @@ -1381,17 +1380,17 @@ database. We also generate names to constraints that were not named by the user. A generated constraint has a name of the format databasename/tablename_ibfk_, where the numbers start from 1, and are given locally for this table, that is, the number is not global, as in -the old format constraints < 4.0.18 it used to be. */ +the old format constraints < 4.0.18 it used to be. +@return error code or DB_SUCCESS */ static ulint dict_create_add_foreign_to_dictionary( /*==================================*/ - /* out: error code or DB_SUCCESS */ - ulint* id_nr, /* in/out: number to use in id generation; + ulint* id_nr, /*!< in/out: number to use in id generation; incremented if used */ - dict_table_t* table, /* in: table */ - dict_foreign_t* foreign,/* in: foreign */ - trx_t* trx) /* in: transaction */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign,/*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ { ulint error; ulint i; @@ -1451,13 +1450,13 @@ dict_create_add_foreign_to_dictionary( } /************************************************************************ -Adds foreign key definitions to data dictionary tables in the database. */ +Adds foreign key definitions to data dictionary tables in the database. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint dict_create_add_foreigns_to_dictionary( /*===================================*/ - /* out: error code or DB_SUCCESS */ - ulint start_id,/* in: if we are actually doing ALTER TABLE + ulint start_id,/*!< in: if we are actually doing ALTER TABLE ADD CONSTRAINT, we want to generate constraint numbers which are bigger than in the table so far; we number the constraints from @@ -1465,8 +1464,8 @@ dict_create_add_foreigns_to_dictionary( we are creating a new table, or if the table so far has no constraints for which the name was generated here */ - dict_table_t* table, /* in: table */ - trx_t* trx) /* in: transaction */ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction */ { dict_foreign_t* foreign; ulint number = start_id + 1; diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 434b4e04ead..2ff2389e456 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -84,33 +84,29 @@ static void dict_index_find_cols( /*=================*/ - dict_table_t* table, /* in: table */ - dict_index_t* index); /* in: index */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: index */ /*********************************************************************** Builds the internal dictionary cache representation for a clustered -index, containing also system fields not defined by the user. */ +index, containing also system fields not defined by the user. +@return own: the internal representation of the clustered index */ static dict_index_t* dict_index_build_internal_clust( /*============================*/ - /* out, own: the internal - representation of the clustered - index */ - const dict_table_t* table, /* in: table */ - dict_index_t* index); /* in: user representation of + const dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: user representation of a clustered index */ /*********************************************************************** Builds the internal dictionary cache representation for a non-clustered -index, containing also system fields not defined by the user. */ +index, containing also system fields not defined by the user. +@return own: the internal representation of the non-clustered index */ static dict_index_t* dict_index_build_internal_non_clust( /*================================*/ - /* out, own: the internal - representation of the non-clustered - index */ - const dict_table_t* table, /* in: table */ - dict_index_t* index); /* in: user representation of + const dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: user representation of a non-clustered index */ /************************************************************************** Removes a foreign constraint struct from the dictionary cache. */ @@ -118,36 +114,36 @@ static void dict_foreign_remove_from_cache( /*===========================*/ - dict_foreign_t* foreign); /* in, own: foreign constraint */ + dict_foreign_t* foreign); /*!< in, own: foreign constraint */ /************************************************************************** Prints a column data. */ static void dict_col_print_low( /*===============*/ - const dict_table_t* table, /* in: table */ - const dict_col_t* col); /* in: column */ + const dict_table_t* table, /*!< in: table */ + const dict_col_t* col); /*!< in: column */ /************************************************************************** Prints an index data. */ static void dict_index_print_low( /*=================*/ - dict_index_t* index); /* in: index */ + dict_index_t* index); /*!< in: index */ /************************************************************************** Prints a field data. */ static void dict_field_print_low( /*=================*/ - dict_field_t* field); /* in: field */ + dict_field_t* field); /*!< in: field */ /************************************************************************* Frees a foreign key struct. */ static void dict_foreign_free( /*==============*/ - dict_foreign_t* foreign); /* in, own: foreign key struct */ + dict_foreign_t* foreign); /*!< in, own: foreign key struct */ /* Stream for storing detailed information about the latest foreign key and unique key errors */ @@ -161,21 +157,21 @@ UNIV_INTERN void dict_casedn_str( /*============*/ - char* a) /* in/out: string to put in lower case */ + char* a) /*!< in/out: string to put in lower case */ { innobase_casedn_str(a); } /************************************************************************ -Checks if the database name in two table names is the same. */ +Checks if the database name in two table names is the same. +@return TRUE if same db name */ UNIV_INTERN ibool dict_tables_have_same_db( /*=====================*/ - /* out: TRUE if same db name */ - const char* name1, /* in: table name in the form + const char* name1, /*!< in: table name in the form dbname '/' tablename */ - const char* name2) /* in: table name in the form + const char* name2) /*!< in: table name in the form dbname '/' tablename */ { for (; *name1 == *name2; name1++, name2++) { @@ -188,13 +184,13 @@ dict_tables_have_same_db( } /************************************************************************ -Return the end of table name where we have removed dbname and '/'. */ +Return the end of table name where we have removed dbname and '/'. +@return table name */ UNIV_INTERN const char* dict_remove_db_name( /*================*/ - /* out: table name */ - const char* name) /* in: table name in the form + const char* name) /*!< in: table name in the form dbname '/' tablename */ { const char* s = strchr(name, '/'); @@ -204,13 +200,13 @@ dict_remove_db_name( } /************************************************************************ -Get the database name length in a table name. */ +Get the database name length in a table name. +@return database name length */ UNIV_INTERN ulint dict_get_db_name_len( /*=================*/ - /* out: database name length */ - const char* name) /* in: table name in the form + const char* name) /*!< in: table name in the form dbname '/' tablename */ { const char* s; @@ -245,8 +241,8 @@ UNIV_INTERN void dict_table_decrement_handle_count( /*==============================*/ - dict_table_t* table, /* in/out: table */ - ibool dict_locked) /* in: TRUE=data dictionary locked */ + dict_table_t* table, /*!< in/out: table */ + ibool dict_locked) /*!< in: TRUE=data dictionary locked */ { if (!dict_locked) { mutex_enter(&dict_sys->mutex); @@ -264,17 +260,14 @@ dict_table_decrement_handle_count( #endif /* !UNIV_HOTBACKUP */ /************************************************************************** -Returns a column's name. */ +Returns a column's name. +@return column name. NOTE: not guaranteed to stay valid if table is modified in any way (columns added, etc.). */ UNIV_INTERN const char* dict_table_get_col_name( /*====================*/ - /* out: column name. NOTE: not - guaranteed to stay valid if table is - modified in any way (columns added, - etc.). */ - const dict_table_t* table, /* in: table */ - ulint col_nr) /* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint col_nr) /*!< in: column number */ { ulint i; const char* s; @@ -295,12 +288,12 @@ dict_table_get_col_name( #ifndef UNIV_HOTBACKUP /************************************************************************ -Acquire the autoinc lock.*/ +Acquire the autoinc lock. */ UNIV_INTERN void dict_table_autoinc_lock( /*====================*/ - dict_table_t* table) /* in/out: table */ + dict_table_t* table) /*!< in/out: table */ { mutex_enter(&table->autoinc_mutex); } @@ -311,8 +304,8 @@ UNIV_INTERN void dict_table_autoinc_initialize( /*==========================*/ - dict_table_t* table, /* in/out: table */ - ib_uint64_t value) /* in: next value to assign to a row */ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value) /*!< in: next value to assign to a row */ { ut_ad(mutex_own(&table->autoinc_mutex)); @@ -321,13 +314,13 @@ dict_table_autoinc_initialize( /************************************************************************ Reads the next autoinc value (== autoinc counter value), 0 if not yet -initialized. */ +initialized. +@return value for a new row, or 0 */ UNIV_INTERN ib_uint64_t dict_table_autoinc_read( /*====================*/ - /* out: value for a new row, or 0 */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(mutex_own(&table->autoinc_mutex)); @@ -342,8 +335,8 @@ void dict_table_autoinc_update_if_greater( /*=================================*/ - dict_table_t* table, /* in/out: table */ - ib_uint64_t value) /* in: value which was assigned to a row */ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value) /*!< in: value which was assigned to a row */ { ut_ad(mutex_own(&table->autoinc_mutex)); @@ -354,27 +347,26 @@ dict_table_autoinc_update_if_greater( } /************************************************************************ -Release the autoinc lock.*/ +Release the autoinc lock. */ UNIV_INTERN void dict_table_autoinc_unlock( /*======================*/ - dict_table_t* table) /* in/out: table */ + dict_table_t* table) /*!< in/out: table */ { mutex_exit(&table->autoinc_mutex); } /************************************************************************** Looks for an index with the given table and index id. -NOTE that we do not reserve the dictionary mutex. */ +NOTE that we do not reserve the dictionary mutex. +@return index or NULL if not found from cache */ UNIV_INTERN dict_index_t* dict_index_get_on_id_low( /*=====================*/ - /* out: index or NULL if not found - from cache */ - dict_table_t* table, /* in: table */ - dulint id) /* in: index id */ + dict_table_t* table, /*!< in: table */ + dulint id) /*!< in: index id */ { dict_index_t* index; @@ -395,17 +387,14 @@ dict_index_get_on_id_low( #endif /* !UNIV_HOTBACKUP */ /************************************************************************ -Looks for column n in an index. */ +Looks for column n in an index. +@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ UNIV_INTERN ulint dict_index_get_nth_col_pos( /*=======================*/ - /* out: position in internal - representation of the index; - if not contained, returns - ULINT_UNDEFINED */ - const dict_index_t* index, /* in: index */ - ulint n) /* in: column number */ + const dict_index_t* index, /*!< in: index */ + ulint n) /*!< in: column number */ { const dict_field_t* field; const dict_col_t* col; @@ -438,15 +427,14 @@ dict_index_get_nth_col_pos( #ifndef UNIV_HOTBACKUP /************************************************************************ -Returns TRUE if the index contains a column or a prefix of that column. */ +Returns TRUE if the index contains a column or a prefix of that column. +@return TRUE if contains the column or its prefix */ UNIV_INTERN ibool dict_index_contains_col_or_prefix( /*==============================*/ - /* out: TRUE if contains the column - or its prefix */ - const dict_index_t* index, /* in: index */ - ulint n) /* in: column number */ + const dict_index_t* index, /*!< in: index */ + ulint n) /*!< in: column number */ { const dict_field_t* field; const dict_col_t* col; @@ -481,18 +469,15 @@ dict_index_contains_col_or_prefix( Looks for a matching field in an index. The column has to be the same. The column in index must be complete, or must contain a prefix longer than the column in index2. That is, we must be able to construct the prefix in index2 -from the prefix in index. */ +from the prefix in index. +@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ UNIV_INTERN ulint dict_index_get_nth_field_pos( /*=========================*/ - /* out: position in internal - representation of the index; - if not contained, returns - ULINT_UNDEFINED */ - const dict_index_t* index, /* in: index from which to search */ - const dict_index_t* index2, /* in: index */ - ulint n) /* in: field number in index2 */ + const dict_index_t* index, /*!< in: index from which to search */ + const dict_index_t* index2, /*!< in: index */ + ulint n) /*!< in: field number in index2 */ { const dict_field_t* field; const dict_field_t* field2; @@ -522,14 +507,14 @@ dict_index_get_nth_field_pos( } /************************************************************************** -Returns a table object based on table id. */ +Returns a table object based on table id. +@return table, NULL if does not exist */ UNIV_INTERN dict_table_t* dict_table_get_on_id( /*=================*/ - /* out: table, NULL if does not exist */ - dulint table_id, /* in: table id */ - trx_t* trx) /* in: transaction handle */ + dulint table_id, /*!< in: table id */ + trx_t* trx) /*!< in: transaction handle */ { dict_table_t* table; @@ -556,16 +541,14 @@ dict_table_get_on_id( } /************************************************************************ -Looks for column n position in the clustered index. */ +Looks for column n position in the clustered index. +@return position in internal representation of the clustered index */ UNIV_INTERN ulint dict_table_get_nth_col_pos( /*=======================*/ - /* out: position in internal - representation of - the clustered index */ - const dict_table_t* table, /* in: table */ - ulint n) /* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint n) /*!< in: column number */ { return(dict_index_get_nth_col_pos(dict_table_get_first_index(table), n)); @@ -573,15 +556,14 @@ dict_table_get_nth_col_pos( /************************************************************************ Checks if a column is in the ordering columns of the clustered index of a -table. Column prefixes are treated like whole columns. */ +table. Column prefixes are treated like whole columns. +@return TRUE if the column, or its prefix, is in the clustered key */ UNIV_INTERN ibool dict_table_col_in_clustered_key( /*============================*/ - /* out: TRUE if the column, or its - prefix, is in the clustered key */ - const dict_table_t* table, /* in: table */ - ulint n) /* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint n) /*!< in: column number */ { const dict_index_t* index; const dict_field_t* field; @@ -642,15 +624,14 @@ dict_init(void) Returns a table object and optionally increment its MySQL open handle count. NOTE! This is a high-level function to be used mainly from outside the 'dict' directory. Inside this directory dict_table_get_low is usually the -appropriate function. */ +appropriate function. +@return table, NULL if does not exist */ UNIV_INTERN dict_table_t* dict_table_get( /*===========*/ - /* out: table, NULL if - does not exist */ - const char* table_name, /* in: table name */ - ibool inc_mysql_count)/* in: whether to increment the open + const char* table_name, /*!< in: table name */ + ibool inc_mysql_count)/*!< in: whether to increment the open handle count on the table */ { dict_table_t* table; @@ -684,8 +665,8 @@ UNIV_INTERN void dict_table_add_system_columns( /*==========================*/ - dict_table_t* table, /* in/out: table */ - mem_heap_t* heap) /* in: temporary heap */ + dict_table_t* table, /*!< in/out: table */ + mem_heap_t* heap) /*!< in: temporary heap */ { ut_ad(table); ut_ad(table->n_def == table->n_cols - DATA_N_SYS_COLS); @@ -731,8 +712,8 @@ UNIV_INTERN void dict_table_add_to_cache( /*====================*/ - dict_table_t* table, /* in: table */ - mem_heap_t* heap) /* in: temporary heap */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: temporary heap */ { ulint fold; ulint id_fold; @@ -819,13 +800,13 @@ dict_table_add_to_cache( /************************************************************************** Looks for an index with the given id. NOTE that we do not reserve the dictionary mutex: this function is for emergency purposes like -printing info of a corrupt database page! */ +printing info of a corrupt database page! +@return index or NULL if not found from cache */ UNIV_INTERN dict_index_t* dict_index_find_on_id_low( /*======================*/ - /* out: index or NULL if not found from cache */ - dulint id) /* in: index id */ + dulint id) /*!< in: index id */ { dict_table_t* table; dict_index_t* index; @@ -852,15 +833,15 @@ dict_index_find_on_id_low( } /************************************************************************** -Renames a table object. */ +Renames a table object. +@return TRUE if success */ UNIV_INTERN ibool dict_table_rename_in_cache( /*=======================*/ - /* out: TRUE if success */ - dict_table_t* table, /* in/out: table */ - const char* new_name, /* in: new name */ - ibool rename_also_foreigns)/* in: in ALTER TABLE we want + dict_table_t* table, /*!< in/out: table */ + const char* new_name, /*!< in: new name */ + ibool rename_also_foreigns)/*!< in: in ALTER TABLE we want to preserve the original table name in constraints which reference it */ { @@ -1074,8 +1055,8 @@ UNIV_INTERN void dict_table_change_id_in_cache( /*==========================*/ - dict_table_t* table, /* in/out: table object already in cache */ - dulint new_id) /* in: new id to set */ + dict_table_t* table, /*!< in/out: table object already in cache */ + dulint new_id) /*!< in: new id to set */ { ut_ad(table); ut_ad(mutex_own(&(dict_sys->mutex))); @@ -1098,7 +1079,7 @@ UNIV_INTERN void dict_table_remove_from_cache( /*=========================*/ - dict_table_t* table) /* in, own: table */ + dict_table_t* table) /*!< in, own: table */ { dict_foreign_t* foreign; dict_index_t* index; @@ -1161,13 +1142,13 @@ dict_table_remove_from_cache( /******************************************************************** If the given column name is reserved for InnoDB system columns, return -TRUE. */ +TRUE. +@return TRUE if name is reserved */ UNIV_INTERN ibool dict_col_name_is_reserved( /*======================*/ - /* out: TRUE if name is reserved */ - const char* name) /* in: column name */ + const char* name) /*!< in: column name */ { /* This check reminds that if a new system column is added to the program, it should be dealt with here. */ @@ -1193,15 +1174,14 @@ dict_col_name_is_reserved( /******************************************************************** If an undo log record for this table might not fit on a single page, -return TRUE. */ +return TRUE. +@return TRUE if the undo log record could become too big */ static ibool dict_index_too_big_for_undo( /*========================*/ - /* out: TRUE if the undo log - record could become too big */ - const dict_table_t* table, /* in: table */ - const dict_index_t* new_index) /* in: index */ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* new_index) /*!< in: index */ { /* Make sure that all column prefixes will fit in the undo log record in trx_undo_page_report_modify() right after trx_undo_page_init(). */ @@ -1296,15 +1276,14 @@ is_ord_part: /******************************************************************** If a record of this index might not fit on a single B-tree page, -return TRUE. */ +return TRUE. +@return TRUE if the index record could become too big */ static ibool dict_index_too_big_for_tree( /*========================*/ - /* out: TRUE if the index - record could become too big */ - const dict_table_t* table, /* in: table */ - const dict_index_t* new_index) /* in: index */ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* new_index) /*!< in: index */ { ulint zip_size; ulint comp; @@ -1445,17 +1424,17 @@ add_field_size: } /************************************************************************** -Adds an index to the dictionary cache. */ +Adds an index to the dictionary cache. +@return DB_SUCCESS or DB_TOO_BIG_RECORD */ UNIV_INTERN ulint dict_index_add_to_cache( /*====================*/ - /* out: DB_SUCCESS or DB_TOO_BIG_RECORD */ - dict_table_t* table, /* in: table on which the index is */ - dict_index_t* index, /* in, own: index; NOTE! The index memory + dict_table_t* table, /*!< in: table on which the index is */ + dict_index_t* index, /*!< in, own: index; NOTE! The index memory object is freed in this function! */ - ulint page_no,/* in: root page number of the index */ - ibool strict) /* in: TRUE=refuse to create the index + ulint page_no,/*!< in: root page number of the index */ + ibool strict) /*!< in: TRUE=refuse to create the index if records could be too big to fit in an B-tree page */ { @@ -1607,8 +1586,8 @@ UNIV_INTERN void dict_index_remove_from_cache( /*=========================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index) /* in, own: index */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index) /*!< in, own: index */ { ulint size; ulint retries = 0; @@ -1685,8 +1664,8 @@ static void dict_index_find_cols( /*=================*/ - dict_table_t* table, /* in: table */ - dict_index_t* index) /* in: index */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: index */ { ulint i; @@ -1722,10 +1701,10 @@ UNIV_INTERN void dict_index_add_col( /*===============*/ - dict_index_t* index, /* in/out: index */ - const dict_table_t* table, /* in: table */ - dict_col_t* col, /* in: column */ - ulint prefix_len) /* in: column prefix length */ + dict_index_t* index, /*!< in/out: index */ + const dict_table_t* table, /*!< in: table */ + dict_col_t* col, /*!< in: column */ + ulint prefix_len) /*!< in: column prefix length */ { dict_field_t* field; const char* col_name; @@ -1770,11 +1749,11 @@ static void dict_index_copy( /*============*/ - dict_index_t* index1, /* in: index to copy to */ - dict_index_t* index2, /* in: index to copy from */ - const dict_table_t* table, /* in: table */ - ulint start, /* in: first position to copy */ - ulint end) /* in: last position to copy */ + dict_index_t* index1, /*!< in: index to copy to */ + dict_index_t* index2, /*!< in: index to copy from */ + const dict_table_t* table, /*!< in: table */ + ulint start, /*!< in: first position to copy */ + ulint end) /*!< in: last position to copy */ { dict_field_t* field; ulint i; @@ -1795,9 +1774,9 @@ UNIV_INTERN void dict_index_copy_types( /*==================*/ - dtuple_t* tuple, /* in/out: data tuple */ - const dict_index_t* index, /* in: index */ - ulint n_fields) /* in: number of + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_index_t* index, /*!< in: index */ + ulint n_fields) /*!< in: number of field types to copy */ { ulint i; @@ -1826,8 +1805,8 @@ UNIV_INTERN void dict_table_copy_types( /*==================*/ - dtuple_t* tuple, /* in/out: data tuple */ - const dict_table_t* table) /* in: table */ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_table_t* table) /*!< in: table */ { ulint i; @@ -1843,16 +1822,14 @@ dict_table_copy_types( /*********************************************************************** Builds the internal dictionary cache representation for a clustered -index, containing also system fields not defined by the user. */ +index, containing also system fields not defined by the user. +@return own: the internal representation of the clustered index */ static dict_index_t* dict_index_build_internal_clust( /*============================*/ - /* out, own: the internal - representation of the clustered - index */ - const dict_table_t* table, /* in: table */ - dict_index_t* index) /* in: user representation of + const dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: user representation of a clustered index */ { dict_index_t* new_index; @@ -1997,16 +1974,14 @@ dict_index_build_internal_clust( /*********************************************************************** Builds the internal dictionary cache representation for a non-clustered -index, containing also system fields not defined by the user. */ +index, containing also system fields not defined by the user. +@return own: the internal representation of the non-clustered index */ static dict_index_t* dict_index_build_internal_non_clust( /*================================*/ - /* out, own: the internal - representation of the non-clustered - index */ - const dict_table_t* table, /* in: table */ - dict_index_t* index) /* in: user representation of + const dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: user representation of a non-clustered index */ { dict_field_t* field; @@ -2093,29 +2068,27 @@ dict_index_build_internal_non_clust( /*====================== FOREIGN KEY PROCESSING ========================*/ /************************************************************************* -Checks if a table is referenced by foreign keys. */ +Checks if a table is referenced by foreign keys. +@return TRUE if table is referenced by a foreign key */ UNIV_INTERN ibool dict_table_is_referenced_by_foreign_key( /*====================================*/ - /* out: TRUE if table is referenced - by a foreign key */ - const dict_table_t* table) /* in: InnoDB table */ + const dict_table_t* table) /*!< in: InnoDB table */ { return(UT_LIST_GET_LEN(table->referenced_list) > 0); } /************************************************************************* Check if the index is referenced by a foreign key, if TRUE return foreign -else return NULL */ +else return NULL +@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_referenced_constraint( /*=================================*/ - /* out: pointer to foreign key struct if index - is defined for foreign key, otherwise NULL */ - dict_table_t* table, /* in: InnoDB table */ - dict_index_t* index) /* in: InnoDB index */ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index) /*!< in: InnoDB index */ { dict_foreign_t* foreign; @@ -2138,15 +2111,14 @@ dict_table_get_referenced_constraint( /************************************************************************* Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key -or index is a foreign key index. */ +or index is a foreign key index. +@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_foreign_constraint( /*==============================*/ - /* out: pointer to foreign key struct if index - is defined for foreign key, otherwise NULL */ - dict_table_t* table, /* in: InnoDB table */ - dict_index_t* index) /* in: InnoDB index */ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index) /*!< in: InnoDB index */ { dict_foreign_t* foreign; @@ -2173,7 +2145,7 @@ static void dict_foreign_free( /*==============*/ - dict_foreign_t* foreign) /* in, own: foreign key struct */ + dict_foreign_t* foreign) /*!< in, own: foreign key struct */ { mem_heap_free(foreign->heap); } @@ -2184,7 +2156,7 @@ static void dict_foreign_remove_from_cache( /*===========================*/ - dict_foreign_t* foreign) /* in, own: foreign constraint */ + dict_foreign_t* foreign) /*!< in, own: foreign constraint */ { ut_ad(mutex_own(&(dict_sys->mutex))); ut_a(foreign); @@ -2206,14 +2178,14 @@ dict_foreign_remove_from_cache( /************************************************************************** Looks for the foreign constraint from the foreign and referenced lists -of a table. */ +of a table. +@return foreign constraint */ static dict_foreign_t* dict_foreign_find( /*==============*/ - /* out: foreign constraint */ - dict_table_t* table, /* in: table object */ - const char* id) /* in: foreign constraint id */ + dict_table_t* table, /*!< in: table object */ + const char* id) /*!< in: foreign constraint id */ { dict_foreign_t* foreign; @@ -2247,22 +2219,22 @@ dict_foreign_find( /************************************************************************* Tries to find an index whose first fields are the columns in the array, in the same order and is not marked for deletion and is not the same -as types_idx. */ +as types_idx. +@return matching index, NULL if not found */ static dict_index_t* dict_foreign_find_index( /*====================*/ - /* out: matching index, NULL if not found */ - dict_table_t* table, /* in: table */ - const char** columns,/* in: array of column names */ - ulint n_cols, /* in: number of columns */ - dict_index_t* types_idx, /* in: NULL or an index to whose types the + dict_table_t* table, /*!< in: table */ + const char** columns,/*!< in: array of column names */ + ulint n_cols, /*!< in: number of columns */ + dict_index_t* types_idx, /*!< in: NULL or an index to whose types the column types must match */ ibool check_charsets, - /* in: whether to check charsets. + /*!< in: whether to check charsets. only has an effect if types_idx != NULL */ ulint check_null) - /* in: nonzero if none of the columns must + /*!< in: nonzero if none of the columns must be declared NOT NULL */ { dict_index_t* index; @@ -2332,14 +2304,13 @@ next_rec: /************************************************************************** Find an index that is equivalent to the one passed in and is not marked -for deletion. */ +for deletion. +@return index equivalent to foreign->foreign_index, or NULL */ UNIV_INTERN dict_index_t* dict_foreign_find_equiv_index( /*==========================*/ - /* out: index equivalent to - foreign->foreign_index, or NULL */ - dict_foreign_t* foreign)/* in: foreign key */ + dict_foreign_t* foreign)/*!< in: foreign key */ { ut_a(foreign != NULL); @@ -2356,16 +2327,16 @@ dict_foreign_find_equiv_index( /************************************************************************** Returns an index object by matching on the name and column names and -if more than one index matches return the index with the max id */ +if more than one index matches return the index with the max id +@return matching index, NULL if not found */ UNIV_INTERN dict_index_t* dict_table_get_index_by_max_id( /*===========================*/ - /* out: matching index, NULL if not found */ - dict_table_t* table, /* in: table */ - const char* name, /* in: the index name to find */ - const char** columns,/* in: array of column names */ - ulint n_cols) /* in: number of columns */ + dict_table_t* table, /*!< in: table */ + const char* name, /*!< in: the index name to find */ + const char** columns,/*!< in: array of column names */ + ulint n_cols) /*!< in: number of columns */ { dict_index_t* index; dict_index_t* found; @@ -2420,8 +2391,8 @@ static void dict_foreign_error_report_low( /*==========================*/ - FILE* file, /* in: output stream */ - const char* name) /* in: table name */ + FILE* file, /*!< in: output stream */ + const char* name) /*!< in: table name */ { rewind(file); ut_print_timestamp(file); @@ -2435,9 +2406,9 @@ static void dict_foreign_error_report( /*======================*/ - FILE* file, /* in: output stream */ - dict_foreign_t* fk, /* in: foreign key constraint */ - const char* msg) /* in: the error message */ + FILE* file, /*!< in: output stream */ + dict_foreign_t* fk, /*!< in: foreign key constraint */ + const char* msg) /*!< in: the error message */ { mutex_enter(&dict_foreign_err_mutex); dict_foreign_error_report_low(file, fk->foreign_table_name); @@ -2460,14 +2431,14 @@ dict_foreign_error_report( Adds a foreign key constraint object to the dictionary cache. May free the object if there already is an object with the same identifier in. At least one of the foreign table and the referenced table must already -be in the dictionary cache! */ +be in the dictionary cache! +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_foreign_add_to_cache( /*======================*/ - /* out: DB_SUCCESS or error code */ - dict_foreign_t* foreign, /* in, own: foreign key constraint */ - ibool check_charsets) /* in: TRUE=check charset + dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ + ibool check_charsets) /*!< in: TRUE=check charset compatibility */ { dict_table_t* for_table; @@ -2582,14 +2553,14 @@ dict_foreign_add_to_cache( /************************************************************************* Scans from pointer onwards. Stops if is at the start of a copy of 'string' where characters are compared without case sensitivity, and -only outside `` or "" quotes. Stops also at '\0'. */ +only outside `` or "" quotes. Stops also at '\0'. +@return scanned up to this */ static const char* dict_scan_to( /*=========*/ - /* out: scanned up to this */ - const char* ptr, /* in: scan from */ - const char* string) /* in: look for this */ + const char* ptr, /*!< in: scan from */ + const char* string) /*!< in: look for this */ { char quote = '\0'; @@ -2623,18 +2594,17 @@ nomatch: } /************************************************************************* -Accepts a specified string. Comparisons are case-insensitive. */ +Accepts a specified string. Comparisons are case-insensitive. +@return if string was accepted, the pointer is moved after that, else ptr is returned */ static const char* dict_accept( /*========*/ - /* out: if string was accepted, the pointer - is moved after that, else ptr is returned */ - struct charset_info_st* cs,/* in: the character set of ptr */ - const char* ptr, /* in: scan from this */ - const char* string, /* in: accept only this string as the next + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scan from this */ + const char* string, /*!< in: accept only this string as the next non-whitespace string */ - ibool* success)/* out: TRUE if accepted */ + ibool* success)/*!< out: TRUE if accepted */ { const char* old_ptr = ptr; const char* old_ptr2; @@ -2660,23 +2630,23 @@ dict_accept( /************************************************************************* Scans an id. For the lexical definition of an 'id', see the code below. -Strips backquotes or double quotes from around the id. */ +Strips backquotes or double quotes from around the id. +@return scanned to */ static const char* dict_scan_id( /*=========*/ - /* out: scanned to */ - struct charset_info_st* cs,/* in: the character set of ptr */ - const char* ptr, /* in: scanned to */ - mem_heap_t* heap, /* in: heap where to allocate the id + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + mem_heap_t* heap, /*!< in: heap where to allocate the id (NULL=id will not be allocated, but it will point to string near ptr) */ - const char** id, /* out,own: the id; NULL if no id was + const char** id, /*!< out,own: the id; NULL if no id was scannable */ - ibool table_id,/* in: TRUE=convert the allocated id + ibool table_id,/*!< in: TRUE=convert the allocated id as a table name; FALSE=convert to UTF-8 */ ibool accept_also_dot) - /* in: TRUE if also a dot can appear in a + /*!< in: TRUE if also a dot can appear in a non-quoted id; in a quoted id it can appear always */ { @@ -2779,19 +2749,19 @@ convert_id: } /************************************************************************* -Tries to scan a column name. */ +Tries to scan a column name. +@return scanned to */ static const char* dict_scan_col( /*==========*/ - /* out: scanned to */ - struct charset_info_st* cs, /* in: the character set of ptr */ - const char* ptr, /* in: scanned to */ - ibool* success,/* out: TRUE if success */ - dict_table_t* table, /* in: table in which the column is */ - const dict_col_t** column, /* out: pointer to column if success */ - mem_heap_t* heap, /* in: heap where to allocate */ - const char** name) /* out,own: the column name; + struct charset_info_st* cs, /*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + ibool* success,/*!< out: TRUE if success */ + dict_table_t* table, /*!< in: table in which the column is */ + const dict_col_t** column, /*!< out: pointer to column if success */ + mem_heap_t* heap, /*!< in: heap where to allocate */ + const char** name) /*!< out,own: the column name; NULL if no name was scannable */ { ulint i; @@ -2830,19 +2800,19 @@ dict_scan_col( } /************************************************************************* -Scans a table name from an SQL string. */ +Scans a table name from an SQL string. +@return scanned to */ static const char* dict_scan_table_name( /*=================*/ - /* out: scanned to */ - struct charset_info_st* cs,/* in: the character set of ptr */ - const char* ptr, /* in: scanned to */ - dict_table_t** table, /* out: table object or NULL */ - const char* name, /* in: foreign key table name */ - ibool* success,/* out: TRUE if ok name found */ - mem_heap_t* heap, /* in: heap where to allocate the id */ - const char** ref_name)/* out,own: the table name; + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + dict_table_t** table, /*!< out: table object or NULL */ + const char* name, /*!< in: foreign key table name */ + ibool* success,/*!< out: TRUE if ok name found */ + mem_heap_t* heap, /*!< in: heap where to allocate the id */ + const char** ref_name)/*!< out,own: the table name; NULL if no name was scannable */ { const char* database_name = NULL; @@ -2929,15 +2899,15 @@ dict_scan_table_name( } /************************************************************************* -Skips one id. The id is allowed to contain also '.'. */ +Skips one id. The id is allowed to contain also '.'. +@return scanned to */ static const char* dict_skip_word( /*===========*/ - /* out: scanned to */ - struct charset_info_st* cs,/* in: the character set of ptr */ - const char* ptr, /* in: scanned to */ - ibool* success)/* out: TRUE if success, FALSE if just spaces + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + ibool* success)/*!< out: TRUE if success, FALSE if just spaces left in string or a syntax error */ { const char* start; @@ -2958,15 +2928,13 @@ Removes MySQL comments from an SQL string. A comment is either (a) '#' to the end of the line, (b) '--' to the end of the line, or (c) '' till the next '' (like the familiar -C comment syntax). */ +C comment syntax). +@return own: SQL string stripped from comments; the caller must free this with mem_free()! */ static char* dict_strip_comments( /*================*/ - /* out, own: SQL string stripped from - comments; the caller must free this - with mem_free()! */ - const char* sql_string) /* in: SQL string */ + const char* sql_string) /*!< in: SQL string */ { char* str; const char* sptr; @@ -3043,14 +3011,13 @@ scan_more: /************************************************************************* Finds the highest for foreign key constraints of the table. Looks only at the >= 4.0.18-format id's, which are of the form -databasename/tablename_ibfk_. */ +databasename/tablename_ibfk_. +@return highest number, 0 if table has no new format foreign key constraints */ static ulint dict_table_get_highest_foreign_id( /*==============================*/ - /* out: highest number, 0 if table has no new - format foreign key constraints */ - dict_table_t* table) /* in: table in the dictionary memory cache */ + dict_table_t* table) /*!< in: table in the dictionary memory cache */ { dict_foreign_t* foreign; char* endp; @@ -3095,11 +3062,11 @@ static void dict_foreign_report_syntax_err( /*===========================*/ - const char* name, /* in: table name */ + const char* name, /*!< in: table name */ const char* start_of_latest_foreign, - /* in: start of the foreign key clause + /*!< in: start of the foreign key clause in the SQL string */ - const char* ptr) /* in: place of the syntax error */ + const char* ptr) /*!< in: place of the syntax error */ { FILE* ef = dict_foreign_err_file; @@ -3115,26 +3082,26 @@ Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in both participating tables. The indexes are -allowed to contain more fields than mentioned in the constraint. */ +allowed to contain more fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ static ulint dict_create_foreign_constraints_low( /*================================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap, /* in: memory heap */ - struct charset_info_st* cs,/* in: the character set of sql_string */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap */ + struct charset_info_st* cs,/*!< in: the character set of sql_string */ const char* sql_string, - /* in: CREATE TABLE or ALTER TABLE statement + /*!< in: CREATE TABLE or ALTER TABLE statement where foreign keys are declared like: FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written also with the database name before it: test.table2; the default database is the database of parameter name */ - const char* name, /* in: table full name in the normalized form + const char* name, /*!< in: table full name in the normalized form database_name/table_name */ ibool reject_fks) - /* in: if TRUE, fail with error code + /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ { @@ -3693,14 +3660,14 @@ Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in both participating tables. The indexes are -allowed to contain more fields than mentioned in the constraint. */ +allowed to contain more fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint dict_create_foreign_constraints( /*============================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction */ - const char* sql_string, /* in: table create statement where + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where foreign keys are declared like: FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written @@ -3708,10 +3675,10 @@ dict_create_foreign_constraints( name before it: test.table2; the default database id the database of parameter name */ - const char* name, /* in: table full name in the + const char* name, /*!< in: table full name in the normalized form database_name/table_name */ - ibool reject_fks) /* in: if TRUE, fail with error + ibool reject_fks) /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ { @@ -3736,22 +3703,19 @@ dict_create_foreign_constraints( } /************************************************************************** -Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. */ +Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the constraint id does not match */ UNIV_INTERN ulint dict_foreign_parse_drop_constraints( /*================================*/ - /* out: DB_SUCCESS or - DB_CANNOT_DROP_CONSTRAINT if - syntax error or the constraint - id does not match */ - mem_heap_t* heap, /* in: heap from which we can + mem_heap_t* heap, /*!< in: heap from which we can allocate memory */ - trx_t* trx, /* in: transaction */ - dict_table_t* table, /* in: table */ - ulint* n, /* out: number of constraints + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + ulint* n, /*!< out: number of constraints to drop */ - const char*** constraints_to_drop) /* out: id's of the + const char*** constraints_to_drop) /*!< out: id's of the constraints to drop */ { dict_foreign_t* foreign; @@ -3874,13 +3838,13 @@ syntax_error: /************************************************************************** Returns an index object if it is found in the dictionary cache. -Assumes that dict_sys->mutex is already being held. */ +Assumes that dict_sys->mutex is already being held. +@return index, NULL if not found */ UNIV_INTERN dict_index_t* dict_index_get_if_in_cache_low( /*===========================*/ - /* out: index, NULL if not found */ - dulint index_id) /* in: index id */ + dulint index_id) /*!< in: index id */ { ut_ad(mutex_own(&(dict_sys->mutex))); @@ -3889,13 +3853,13 @@ dict_index_get_if_in_cache_low( #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** -Returns an index object if it is found in the dictionary cache. */ +Returns an index object if it is found in the dictionary cache. +@return index, NULL if not found */ UNIV_INTERN dict_index_t* dict_index_get_if_in_cache( /*=======================*/ - /* out: index, NULL if not found */ - dulint index_id) /* in: index id */ + dulint index_id) /*!< in: index id */ { dict_index_t* index; @@ -3916,14 +3880,14 @@ dict_index_get_if_in_cache( #ifdef UNIV_DEBUG /************************************************************************** Checks that a tuple has n_fields_cmp value in a sensible range, so that -no comparison can occur with the page number field in a node pointer. */ +no comparison can occur with the page number field in a node pointer. +@return TRUE if ok */ UNIV_INTERN ibool dict_index_check_search_tuple( /*==========================*/ - /* out: TRUE if ok */ - const dict_index_t* index, /* in: index tree */ - const dtuple_t* tuple) /* in: tuple used in a search */ + const dict_index_t* index, /*!< in: index tree */ + const dtuple_t* tuple) /*!< in: tuple used in a search */ { ut_a(index); ut_a(dtuple_get_n_fields_cmp(tuple) @@ -3933,20 +3897,20 @@ dict_index_check_search_tuple( #endif /* UNIV_DEBUG */ /************************************************************************** -Builds a node pointer out of a physical record and a page number. */ +Builds a node pointer out of a physical record and a page number. +@return own: node pointer */ UNIV_INTERN dtuple_t* dict_index_build_node_ptr( /*======================*/ - /* out, own: node pointer */ - const dict_index_t* index, /* in: index */ - const rec_t* rec, /* in: record for which to build node + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to build node pointer */ - ulint page_no,/* in: page number to put in node + ulint page_no,/*!< in: page number to put in node pointer */ - mem_heap_t* heap, /* in: memory heap where pointer + mem_heap_t* heap, /*!< in: memory heap where pointer created */ - ulint level) /* in: level of rec in tree: + ulint level) /*!< in: level of rec in tree: 0 means leaf level */ { dtuple_t* tuple; @@ -4003,19 +3967,19 @@ dict_index_build_node_ptr( /************************************************************************** Copies an initial segment of a physical record, long enough to specify an -index entry uniquely. */ +index entry uniquely. +@return pointer to the prefix record */ UNIV_INTERN rec_t* dict_index_copy_rec_order_prefix( /*=============================*/ - /* out: pointer to the prefix record */ - const dict_index_t* index, /* in: index */ - const rec_t* rec, /* in: record for which to + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to copy prefix */ - ulint* n_fields,/* out: number of fields copied */ - byte** buf, /* in/out: memory buffer for the + ulint* n_fields,/*!< out: number of fields copied */ + byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ - ulint* buf_size)/* in/out: buffer size */ + ulint* buf_size)/*!< in/out: buffer size */ { ulint n; @@ -4033,16 +3997,16 @@ dict_index_copy_rec_order_prefix( } /************************************************************************** -Builds a typed data tuple out of a physical record. */ +Builds a typed data tuple out of a physical record. +@return own: data tuple */ UNIV_INTERN dtuple_t* dict_index_build_data_tuple( /*========================*/ - /* out, own: data tuple */ - dict_index_t* index, /* in: index tree */ - rec_t* rec, /* in: record for which to build data tuple */ - ulint n_fields,/* in: number of data fields */ - mem_heap_t* heap) /* in: memory heap where tuple created */ + dict_index_t* index, /*!< in: index tree */ + rec_t* rec, /*!< in: record for which to build data tuple */ + ulint n_fields,/*!< in: number of data fields */ + mem_heap_t* heap) /*!< in: memory heap where tuple created */ { dtuple_t* tuple; @@ -4066,7 +4030,7 @@ UNIV_INTERN ulint dict_index_calc_min_rec_len( /*========================*/ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ulint sum = 0; ulint i; @@ -4118,9 +4082,9 @@ UNIV_INTERN void dict_update_statistics_low( /*=======================*/ - dict_table_t* table, /* in/out: table */ + dict_table_t* table, /*!< in/out: table */ ibool has_dict_mutex __attribute__((unused))) - /* in: TRUE if the caller has the + /*!< in: TRUE if the caller has the dictionary mutex */ { dict_index_t* index; @@ -4201,7 +4165,7 @@ UNIV_INTERN void dict_update_statistics( /*===================*/ - dict_table_t* table) /* in/out: table */ + dict_table_t* table) /*!< in/out: table */ { dict_update_statistics_low(table, FALSE); } @@ -4212,7 +4176,7 @@ static void dict_foreign_print_low( /*===================*/ - dict_foreign_t* foreign) /* in: foreign key constraint */ + dict_foreign_t* foreign) /*!< in: foreign key constraint */ { ulint i; @@ -4242,7 +4206,7 @@ UNIV_INTERN void dict_table_print( /*=============*/ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { mutex_enter(&(dict_sys->mutex)); dict_table_print_low(table); @@ -4255,7 +4219,7 @@ UNIV_INTERN void dict_table_print_by_name( /*=====================*/ - const char* name) /* in: table name */ + const char* name) /*!< in: table name */ { dict_table_t* table; @@ -4275,7 +4239,7 @@ UNIV_INTERN void dict_table_print_low( /*=================*/ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { dict_index_t* index; dict_foreign_t* foreign; @@ -4333,8 +4297,8 @@ static void dict_col_print_low( /*===============*/ - const dict_table_t* table, /* in: table */ - const dict_col_t* col) /* in: column */ + const dict_table_t* table, /*!< in: table */ + const dict_col_t* col) /*!< in: column */ { dtype_t type; @@ -4353,7 +4317,7 @@ static void dict_index_print_low( /*=================*/ - dict_index_t* index) /* in: index */ + dict_index_t* index) /*!< in: index */ { ib_int64_t n_vals; ulint i; @@ -4413,7 +4377,7 @@ static void dict_field_print_low( /*=================*/ - dict_field_t* field) /* in: field */ + dict_field_t* field) /*!< in: field */ { ut_ad(mutex_own(&(dict_sys->mutex))); @@ -4431,10 +4395,10 @@ UNIV_INTERN void dict_print_info_on_foreign_key_in_create_format( /*============================================*/ - FILE* file, /* in: file where to print */ - trx_t* trx, /* in: transaction */ - dict_foreign_t* foreign, /* in: foreign key constraint */ - ibool add_newline) /* in: whether to add a newline */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + ibool add_newline) /*!< in: whether to add a newline */ { const char* stripped_id; ulint i; @@ -4528,13 +4492,13 @@ UNIV_INTERN void dict_print_info_on_foreign_keys( /*============================*/ - ibool create_table_format, /* in: if TRUE then print in + ibool create_table_format, /*!< in: if TRUE then print in a format suitable to be inserted into a CREATE TABLE, otherwise in the format of SHOW TABLE STATUS */ - FILE* file, /* in: file where to print */ - trx_t* trx, /* in: transaction */ - dict_table_t* table) /* in: table */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table) /*!< in: table */ { dict_foreign_t* foreign; @@ -4618,9 +4582,9 @@ UNIV_INTERN void dict_index_name_print( /*==================*/ - FILE* file, /* in: output stream */ - trx_t* trx, /* in: transaction */ - const dict_index_t* index) /* in: index to print */ + FILE* file, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index) /*!< in: index to print */ { fputs("index ", file); ut_print_name(file, trx, FALSE, index->name); @@ -4665,14 +4629,14 @@ dict_ind_init(void) #ifndef UNIV_HOTBACKUP /************************************************************************** -Get index by name */ +Get index by name +@return index, NULL if does not exist */ UNIV_INTERN dict_index_t* dict_table_get_index_on_name( /*=========================*/ - /* out: index, NULL if does not exist */ - dict_table_t* table, /* in: table */ - const char* name) /* in: name of the index to find */ + dict_table_t* table, /*!< in: table */ + const char* name) /*!< in: name of the index to find */ { dict_index_t* index; @@ -4698,8 +4662,8 @@ UNIV_INTERN void dict_table_replace_index_in_foreign_list( /*=====================================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index) /* in: index to be replaced */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index) /*!< in: index to be replaced */ { dict_foreign_t* foreign; @@ -4719,14 +4683,14 @@ dict_table_replace_index_in_foreign_list( /************************************************************************** In case there is more than one index with the same name return the index -with the min(id). */ +with the min(id). +@return index, NULL if does not exist */ UNIV_INTERN dict_index_t* dict_table_get_index_on_name_and_min_id( /*=====================================*/ - /* out: index, NULL if does not exist */ - dict_table_t* table, /* in: table */ - const char* name) /* in: name of the index to find */ + dict_table_t* table, /*!< in: table */ + const char* name) /*!< in: name of the index to find */ { dict_index_t* index; dict_index_t* min_index; /* Index with matching name and min(id) */ @@ -4757,7 +4721,7 @@ UNIV_INTERN void dict_table_check_for_dup_indexes( /*=============================*/ - const dict_table_t* table) /* in: Check for dup indexes + const dict_table_t* table) /*!< in: Check for dup indexes in this table */ { /* Check for duplicates, ignoring indexes that are marked diff --git a/dict/dict0load.c b/dict/dict0load.c index 94a56cd7716..5fc8226a996 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -41,16 +41,16 @@ Created 4/24/1996 Heikki Tuuri #include "srv0srv.h" /******************************************************************** -Returns TRUE if index's i'th column's name is 'name' .*/ +Returns TRUE if index's i'th column's name is 'name' . +@return */ static ibool name_of_col_is( /*===========*/ - /* out: */ - dict_table_t* table, /* in: table */ - dict_index_t* index, /* in: index */ - ulint i, /* in: */ - const char* name) /* in: name to compare to */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: */ + const char* name) /*!< in: name to compare to */ { ulint tmp = dict_col_get_no(dict_field_get_col( dict_index_get_nth_field( @@ -60,15 +60,13 @@ name_of_col_is( } /************************************************************************ -Finds the first table name in the given database. */ +Finds the first table name in the given database. +@return own: table name, NULL if does not exist; the caller must free the memory in the string! */ UNIV_INTERN char* dict_get_first_table_name_in_db( /*============================*/ - /* out, own: table name, NULL if - does not exist; the caller must - free the memory in the string! */ - const char* name) /* in: database name which ends in '/' */ + const char* name) /*!< in: database name which ends in '/' */ { dict_table_t* sys_tables; btr_pcur_t pcur; @@ -237,15 +235,13 @@ loop: } /************************************************************************ -Determine the flags of a table described in SYS_TABLES. */ +Determine the flags of a table described in SYS_TABLES. +@return compressed page size in kilobytes; or 0 if the tablespace is uncompressed, ULINT_UNDEFINED on error */ static ulint dict_sys_tables_get_flags( /*======================*/ - /* out: compressed page size in kilobytes; - or 0 if the tablespace is uncompressed, - ULINT_UNDEFINED on error */ - const rec_t* rec) /* in: a record of SYS_TABLES */ + const rec_t* rec) /*!< in: a record of SYS_TABLES */ { const byte* field; ulint len; @@ -311,7 +307,7 @@ UNIV_INTERN void dict_check_tablespaces_and_store_max_id( /*====================================*/ - ibool in_crash_recovery) /* in: are we doing a crash recovery */ + ibool in_crash_recovery) /*!< in: are we doing a crash recovery */ { dict_table_t* sys_tables; dict_index_t* sys_index; @@ -427,8 +423,8 @@ static void dict_load_columns( /*==============*/ - dict_table_t* table, /* in: table */ - mem_heap_t* heap) /* in: memory heap for temporary storage */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ { dict_table_t* sys_columns; dict_index_t* sys_index; @@ -533,8 +529,8 @@ static void dict_load_fields( /*=============*/ - dict_index_t* index, /* in: index whose fields to load */ - mem_heap_t* heap) /* in: memory heap for temporary storage */ + dict_index_t* index, /*!< in: index whose fields to load */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ { dict_table_t* sys_fields; dict_index_t* sys_index; @@ -630,17 +626,14 @@ next_rec: /************************************************************************ Loads definitions for table indexes. Adds them to the data dictionary -cache. */ +cache. +@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary table or DB_UNSUPPORTED if table has unknown index type */ static ulint dict_load_indexes( /*==============*/ - /* out: DB_SUCCESS if ok, DB_CORRUPTION - if corruption of dictionary table or - DB_UNSUPPORTED if table has unknown index - type */ - dict_table_t* table, /* in: table */ - mem_heap_t* heap) /* in: memory heap for temporary storage */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ { dict_table_t* sys_indexes; dict_index_t* sys_index; @@ -808,17 +801,13 @@ Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads all foreign key constraints where the foreign key is in the table or where a foreign key references columns in this table. Adds all these to the data -dictionary cache. */ +dictionary cache. +@return table, NULL if does not exist; if the table is stored in an .ibd file, but the file does not exist, then we set the ibd_file_missing flag TRUE in the table object we return */ UNIV_INTERN dict_table_t* dict_load_table( /*============*/ - /* out: table, NULL if does not exist; - if the table is stored in an .ibd file, - but the file does not exist, - then we set the ibd_file_missing flag TRUE - in the table object we return */ - const char* name) /* in: table name in the + const char* name) /*!< in: table name in the databasename/tablename format */ { ibool ibd_file_missing = FALSE; @@ -999,13 +988,13 @@ err_exit: } /*************************************************************************** -Loads a table object based on the table id. */ +Loads a table object based on the table id. +@return table; NULL if table does not exist */ UNIV_INTERN dict_table_t* dict_load_table_on_id( /*==================*/ - /* out: table; NULL if table does not exist */ - dulint table_id) /* in: table id */ + dulint table_id) /*!< in: table id */ { byte id_buf[8]; btr_pcur_t pcur; @@ -1097,7 +1086,7 @@ UNIV_INTERN void dict_load_sys_table( /*================*/ - dict_table_t* table) /* in: system table */ + dict_table_t* table) /*!< in: system table */ { mem_heap_t* heap; @@ -1116,9 +1105,9 @@ static void dict_load_foreign_cols( /*===================*/ - const char* id, /* in: foreign constraint id as a + const char* id, /*!< in: foreign constraint id as a null-terminated string */ - dict_foreign_t* foreign)/* in: foreign constraint object */ + dict_foreign_t* foreign)/*!< in: foreign constraint object */ { dict_table_t* sys_foreign_cols; dict_index_t* sys_index; @@ -1183,16 +1172,16 @@ dict_load_foreign_cols( } /*************************************************************************** -Loads a foreign key constraint to the dictionary cache. */ +Loads a foreign key constraint to the dictionary cache. +@return DB_SUCCESS or error code */ static ulint dict_load_foreign( /*==============*/ - /* out: DB_SUCCESS or error code */ - const char* id, /* in: foreign constraint id as a + const char* id, /*!< in: foreign constraint id as a null-terminated string */ ibool check_charsets) - /* in: TRUE=check charset compatibility */ + /*!< in: TRUE=check charset compatibility */ { dict_foreign_t* foreign; dict_table_t* sys_foreign; @@ -1312,14 +1301,14 @@ Loads foreign key constraints where the table is either the foreign key holder or where the table is referenced by a foreign key. Adds these constraints to the data dictionary. Note that we know that the dictionary cache already contains all constraints where the other relevant table is -already in the dictionary cache. */ +already in the dictionary cache. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_load_foreigns( /*===============*/ - /* out: DB_SUCCESS or error code */ - const char* table_name, /* in: table name */ - ibool check_charsets) /* in: TRUE=check charset + const char* table_name, /*!< in: table name */ + ibool check_charsets) /*!< in: TRUE=check charset compatibility */ { btr_pcur_t pcur; diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 8225682346e..8c072971d04 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -40,19 +40,19 @@ Created 1/8/1996 Heikki Tuuri creating a table or index object */ /************************************************************************** -Creates a table memory object. */ +Creates a table memory object. +@return own: table object */ UNIV_INTERN dict_table_t* dict_mem_table_create( /*==================*/ - /* out, own: table object */ - const char* name, /* in: table name */ - ulint space, /* in: space where the clustered index of + const char* name, /*!< in: table name */ + ulint space, /*!< in: space where the clustered index of the table is placed; this parameter is ignored if the table is made a member of a cluster */ - ulint n_cols, /* in: number of columns */ - ulint flags) /* in: table flags */ + ulint n_cols, /*!< in: number of columns */ + ulint flags) /*!< in: table flags */ { dict_table_t* table; mem_heap_t* heap; @@ -96,7 +96,7 @@ UNIV_INTERN void dict_mem_table_free( /*================*/ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); @@ -107,17 +107,17 @@ dict_mem_table_free( } /******************************************************************** -Append 'name' to 'col_names' (@see dict_table_t::col_names). */ +Append 'name' to 'col_names' (@see dict_table_t::col_names). +@return new column names array */ static const char* dict_add_col_name( /*==============*/ - /* out: new column names array */ - const char* col_names, /* in: existing column names, or + const char* col_names, /*!< in: existing column names, or NULL */ - ulint cols, /* in: number of existing columns */ - const char* name, /* in: new column name */ - mem_heap_t* heap) /* in: heap */ + ulint cols, /*!< in: number of existing columns */ + const char* name, /*!< in: new column name */ + mem_heap_t* heap) /*!< in: heap */ { ulint old_len; ulint new_len; @@ -160,12 +160,12 @@ UNIV_INTERN void dict_mem_table_add_col( /*===================*/ - dict_table_t* table, /* in: table */ - mem_heap_t* heap, /* in: temporary memory heap, or NULL */ - const char* name, /* in: column name, or NULL */ - ulint mtype, /* in: main datatype */ - ulint prtype, /* in: precise type */ - ulint len) /* in: precision */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ + const char* name, /*!< in: column name, or NULL */ + ulint mtype, /*!< in: main datatype */ + ulint prtype, /*!< in: precise type */ + ulint len) /*!< in: precision */ { dict_col_t* col; #ifndef UNIV_HOTBACKUP @@ -212,20 +212,20 @@ dict_mem_table_add_col( } /************************************************************************** -Creates an index memory object. */ +Creates an index memory object. +@return own: index object */ UNIV_INTERN dict_index_t* dict_mem_index_create( /*==================*/ - /* out, own: index object */ - const char* table_name, /* in: table name */ - const char* index_name, /* in: index name */ - ulint space, /* in: space where the index tree is + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is placed, ignored if the index is of the clustered type */ - ulint type, /* in: DICT_UNIQUE, + ulint type, /*!< in: DICT_UNIQUE, DICT_CLUSTERED, ... ORed */ - ulint n_fields) /* in: number of fields */ + ulint n_fields) /*!< in: number of fields */ { dict_index_t* index; mem_heap_t* heap; @@ -255,12 +255,12 @@ dict_mem_index_create( } /************************************************************************** -Creates and initializes a foreign constraint memory object. */ +Creates and initializes a foreign constraint memory object. +@return own: foreign constraint struct */ UNIV_INTERN dict_foreign_t* dict_mem_foreign_create(void) /*=========================*/ - /* out, own: foreign constraint struct */ { dict_foreign_t* foreign; mem_heap_t* heap; @@ -282,9 +282,9 @@ UNIV_INTERN void dict_mem_index_add_field( /*=====================*/ - dict_index_t* index, /* in: index */ - const char* name, /* in: column name */ - ulint prefix_len) /* in: 0 or the column prefix length + dict_index_t* index, /*!< in: index */ + const char* name, /*!< in: column name */ + ulint prefix_len) /*!< in: 0 or the column prefix length in a MySQL index like INDEX (textcol(25)) */ { @@ -307,7 +307,7 @@ UNIV_INTERN void dict_mem_index_free( /*================*/ - dict_index_t* index) /* in: index */ + dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); diff --git a/dyn/dyn0dyn.c b/dyn/dyn0dyn.c index 16e82eaed66..3467f7a5e01 100644 --- a/dyn/dyn0dyn.c +++ b/dyn/dyn0dyn.c @@ -28,13 +28,13 @@ Created 2/5/1996 Heikki Tuuri #endif /**************************************************************** -Adds a new block to a dyn array. */ +Adds a new block to a dyn array. +@return created block */ UNIV_INTERN dyn_block_t* dyn_array_add_block( /*================*/ - /* out: created block */ - dyn_array_t* arr) /* in: dyn array */ + dyn_array_t* arr) /*!< in: dyn array */ { mem_heap_t* heap; dyn_block_t* block; diff --git a/eval/eval0eval.c b/eval/eval0eval.c index a2590c63c38..1766f267bc8 100644 --- a/eval/eval0eval.c +++ b/eval/eval0eval.c @@ -45,16 +45,16 @@ Allocate a buffer from global dynamic memory for a value of a que_node. NOTE that this memory must be explicitly freed when the query graph is freed. If the node already has an allocated buffer, that buffer is freed here. NOTE that this is the only function where dynamic memory should be -allocated for a query node val field. */ +allocated for a query node val field. +@return pointer to allocated buffer */ UNIV_INTERN byte* eval_node_alloc_val_buf( /*====================*/ - /* out: pointer to allocated buffer */ - que_node_t* node, /* in: query graph node; sets the val field + que_node_t* node, /*!< in: query graph node; sets the val field data field to point to the new buffer, and len field equal to size */ - ulint size) /* in: buffer size */ + ulint size) /*!< in: buffer size */ { dfield_t* dfield; byte* data; @@ -91,7 +91,7 @@ UNIV_INTERN void eval_node_free_val_buf( /*===================*/ - que_node_t* node) /* in: query graph node */ + que_node_t* node) /*!< in: query graph node */ { dfield_t* dfield; byte* data; @@ -111,13 +111,13 @@ eval_node_free_val_buf( } /********************************************************************* -Evaluates a comparison node. */ +Evaluates a comparison node. +@return the result of the comparison */ UNIV_INTERN ibool eval_cmp( /*=====*/ - /* out: the result of the comparison */ - func_node_t* cmp_node) /* in: comparison node */ + func_node_t* cmp_node) /*!< in: comparison node */ { que_node_t* arg1; que_node_t* arg2; @@ -175,7 +175,7 @@ UNIV_INLINE void eval_logical( /*=========*/ - func_node_t* logical_node) /* in: logical operation node */ + func_node_t* logical_node) /*!< in: logical operation node */ { que_node_t* arg1; que_node_t* arg2; @@ -216,7 +216,7 @@ UNIV_INLINE void eval_arith( /*=======*/ - func_node_t* arith_node) /* in: arithmetic operation node */ + func_node_t* arith_node) /*!< in: arithmetic operation node */ { que_node_t* arg1; que_node_t* arg2; @@ -260,7 +260,7 @@ UNIV_INLINE void eval_aggregate( /*===========*/ - func_node_t* node) /* in: aggregate operation node */ + func_node_t* node) /*!< in: aggregate operation node */ { que_node_t* arg; lint val; @@ -295,7 +295,7 @@ static void eval_predefined_2( /*==============*/ - func_node_t* func_node) /* in: predefined function node */ + func_node_t* func_node) /*!< in: predefined function node */ { que_node_t* arg; que_node_t* arg1; @@ -381,7 +381,7 @@ UNIV_INLINE void eval_notfound( /*==========*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; que_node_t* arg2; @@ -423,7 +423,7 @@ UNIV_INLINE void eval_substr( /*========*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; que_node_t* arg2; @@ -456,7 +456,7 @@ static void eval_replstr( /*=========*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; que_node_t* arg2; @@ -496,7 +496,7 @@ static void eval_instr( /*=======*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; que_node_t* arg2; @@ -568,7 +568,7 @@ UNIV_INLINE void eval_binary_to_number( /*==================*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; dfield_t* dfield; @@ -606,7 +606,7 @@ static void eval_concat( /*========*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg; dfield_t* dfield; @@ -652,7 +652,7 @@ UNIV_INLINE void eval_to_binary( /*===========*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; que_node_t* arg2; @@ -696,7 +696,7 @@ UNIV_INLINE void eval_predefined( /*============*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg1; lint int_val; @@ -788,7 +788,7 @@ UNIV_INTERN void eval_func( /*======*/ - func_node_t* func_node) /* in: function node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg; ulint class; diff --git a/eval/eval0proc.c b/eval/eval0proc.c index 9c7563e8c7d..5f67d7a3697 100644 --- a/eval/eval0proc.c +++ b/eval/eval0proc.c @@ -29,13 +29,13 @@ Created 1/20/1998 Heikki Tuuri #endif /************************************************************************** -Performs an execution step of an if-statement node. */ +Performs an execution step of an if-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* if_step( /*====*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { if_node_t* node; elsif_node_t* elsif_node; @@ -105,13 +105,13 @@ if_step( } /************************************************************************** -Performs an execution step of a while-statement node. */ +Performs an execution step of a while-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* while_step( /*=======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { while_node_t* node; @@ -141,13 +141,13 @@ while_step( } /************************************************************************** -Performs an execution step of an assignment statement node. */ +Performs an execution step of an assignment statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* assign_step( /*========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { assign_node_t* node; @@ -168,13 +168,13 @@ assign_step( } /************************************************************************** -Performs an execution step of a for-loop node. */ +Performs an execution step of a for-loop node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* for_step( /*=====*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { for_node_t* node; que_node_t* parent; @@ -230,13 +230,13 @@ for_step( } /************************************************************************** -Performs an execution step of an exit statement node. */ +Performs an execution step of an exit statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* exit_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { exit_node_t* node; que_node_t* loop_node; @@ -262,13 +262,13 @@ exit_step( } /************************************************************************** -Performs an execution step of a return-statement node. */ +Performs an execution step of a return-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* return_step( /*========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { return_node_t* node; que_node_t* parent; diff --git a/fil/fil0fil.c b/fil/fil0fil.c index b7a291bb07e..5bdd225582e 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -285,9 +285,9 @@ static void fil_node_prepare_for_io( /*====================*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - fil_space_t* space); /* in: space */ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space); /*!< in: space */ /************************************************************************ Updates the data structures when an i/o operation finishes. Updates the pending i/o's field in the node appropriately. */ @@ -295,46 +295,43 @@ static void fil_node_complete_io( /*=================*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - ulint type); /* in: OS_FILE_WRITE or OS_FILE_READ; marks + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + ulint type); /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks the node as modified if type == OS_FILE_WRITE */ /*********************************************************************** Checks if a single-table tablespace for a given table name exists in the -tablespace memory cache. */ +tablespace memory cache. +@return space id, ULINT_UNDEFINED if not found */ static ulint fil_get_space_id_for_table( /*=======================*/ - /* out: space id, ULINT_UNDEFINED if not - found */ - const char* name); /* in: table name in the standard + const char* name); /*!< in: table name in the standard 'databasename/tablename' format */ /************************************************************************ Reads data from a space to a buffer. Remember that the possible incomplete blocks at the end of file are ignored: they are not taken into account when -calculating the byte offset within a space. */ +calculating the byte offset within a space. +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ UNIV_INLINE ulint fil_read( /*=====*/ - /* out: DB_SUCCESS, or DB_TABLESPACE_DELETED - if we are trying to do i/o on a tablespace - which does not exist */ - ibool sync, /* in: TRUE if synchronous aio is desired */ - ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes; + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint block_offset, /* in: offset in number of blocks */ - ulint byte_offset, /* in: remainder of offset in bytes; in aio + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio this must be divisible by the OS block size */ - ulint len, /* in: how many bytes to read; this must not + ulint len, /*!< in: how many bytes to read; this must not cross a file boundary; in aio this must be a block size multiple */ - void* buf, /* in/out: buffer where to store data read; + void* buf, /*!< in/out: buffer where to store data read; in aio this must be appropriately aligned */ - void* message) /* in: message for aio handler if non-sync + void* message) /*!< in: message for aio handler if non-sync aio used, else ignored */ { return(fil_io(OS_FILE_READ, sync, space_id, zip_size, block_offset, @@ -344,27 +341,25 @@ fil_read( /************************************************************************ Writes data to a space from a buffer. Remember that the possible incomplete blocks at the end of file are ignored: they are not taken into account when -calculating the byte offset within a space. */ +calculating the byte offset within a space. +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ UNIV_INLINE ulint fil_write( /*======*/ - /* out: DB_SUCCESS, or DB_TABLESPACE_DELETED - if we are trying to do i/o on a tablespace - which does not exist */ - ibool sync, /* in: TRUE if synchronous aio is desired */ - ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes; + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint block_offset, /* in: offset in number of blocks */ - ulint byte_offset, /* in: remainder of offset in bytes; in aio + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio this must be divisible by the OS block size */ - ulint len, /* in: how many bytes to write; this must + ulint len, /*!< in: how many bytes to write; this must not cross a file boundary; in aio this must be a block size multiple */ - void* buf, /* in: buffer from which to write; in aio + void* buf, /*!< in: buffer from which to write; in aio this must be appropriately aligned */ - void* message) /* in: message for aio handler if non-sync + void* message) /*!< in: message for aio handler if non-sync aio used, else ignored */ { return(fil_io(OS_FILE_WRITE, sync, space_id, zip_size, block_offset, @@ -377,7 +372,7 @@ UNIV_INLINE fil_space_t* fil_space_get_by_id( /*================*/ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; @@ -397,7 +392,7 @@ UNIV_INLINE fil_space_t* fil_space_get_by_name( /*==================*/ - const char* name) /* in: space name */ + const char* name) /*!< in: space name */ { fil_space_t* space; ulint fold; @@ -416,14 +411,13 @@ fil_space_get_by_name( #ifndef UNIV_HOTBACKUP /*********************************************************************** -Returns the version number of a tablespace, -1 if not found. */ +Returns the version number of a tablespace, -1 if not found. +@return version number, -1 if the tablespace does not exist in the memory cache */ UNIV_INTERN ib_int64_t fil_space_get_version( /*==================*/ - /* out: version number, -1 if the tablespace does not - exist in the memory cache */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; ib_int64_t version = -1; @@ -444,14 +438,14 @@ fil_space_get_version( } /*********************************************************************** -Returns the latch of a file space. */ +Returns the latch of a file space. +@return latch protecting storage allocation */ UNIV_INTERN rw_lock_t* fil_space_get_latch( /*================*/ - /* out: latch protecting storage allocation */ - ulint id, /* in: space id */ - ulint* flags) /* out: tablespace flags */ + ulint id, /*!< in: space id */ + ulint* flags) /*!< out: tablespace flags */ { fil_space_t* space; @@ -473,13 +467,13 @@ fil_space_get_latch( } /*********************************************************************** -Returns the type of a file space. */ +Returns the type of a file space. +@return FIL_TABLESPACE or FIL_LOG */ UNIV_INTERN ulint fil_space_get_type( /*===============*/ - /* out: FIL_TABLESPACE or FIL_LOG */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; @@ -499,13 +493,13 @@ fil_space_get_type( /************************************************************************** Checks if all the file nodes in a space are flushed. The caller must hold -the fil_system mutex. */ +the fil_system mutex. +@return TRUE if all are flushed */ static ibool fil_space_is_flushed( /*=================*/ - /* out: TRUE if all are flushed */ - fil_space_t* space) /* in: space */ + fil_space_t* space) /*!< in: space */ { fil_node_t* node; @@ -531,11 +525,11 @@ UNIV_INTERN void fil_node_create( /*============*/ - const char* name, /* in: file name (file must be closed) */ - ulint size, /* in: file size in database blocks, rounded + const char* name, /*!< in: file name (file must be closed) */ + ulint size, /*!< in: file size in database blocks, rounded downwards to an integer */ - ulint id, /* in: space id where to append */ - ibool is_raw) /* in: TRUE if a raw device or + ulint id, /*!< in: space id where to append */ + ibool is_raw) /*!< in: TRUE if a raw device or a raw disk partition */ { fil_node_t* node; @@ -596,9 +590,9 @@ static void fil_node_open_file( /*===============*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - fil_space_t* space) /* in: space */ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space */ { ib_int64_t size_bytes; ulint size_low; @@ -767,8 +761,8 @@ static void fil_node_close_file( /*================*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system) /* in: tablespace memory cache */ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system) /*!< in: tablespace memory cache */ { ibool ret; @@ -798,19 +792,13 @@ fil_node_close_file( /************************************************************************ Tries to close a file in the LRU list. The caller must hold the fil_sys -mutex. */ +mutex. +@return TRUE if success, FALSE if should retry later; since i/o's generally complete in < 100 ms, and as InnoDB writes at most 128 pages from the buffer pool in a batch, and then immediately flushes the files, there is a good chance that the next time we find a suitable node from the LRU list */ static ibool fil_try_to_close_file_in_LRU( /*=========================*/ - /* out: TRUE if success, FALSE if should retry - later; since i/o's generally complete in < - 100 ms, and as InnoDB writes at most 128 pages - from the buffer pool in a batch, and then - immediately flushes the files, there is a good - chance that the next time we find a suitable - node from the LRU list */ - ibool print_info) /* in: if TRUE, prints information why it + ibool print_info) /*!< in: if TRUE, prints information why it cannot close a file */ { fil_node_t* node; @@ -865,7 +853,7 @@ static void fil_mutex_enter_and_prepare_for_io( /*===============================*/ - ulint space_id) /* in: space id */ + ulint space_id) /*!< in: space id */ { fil_space_t* space; ibool success; @@ -982,9 +970,9 @@ static void fil_node_free( /*==========*/ - fil_node_t* node, /* in, own: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - fil_space_t* space) /* in: space where the file node is chained */ + fil_node_t* node, /*!< in, own: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space where the file node is chained */ { ut_ad(node && system && space); ut_ad(mutex_own(&(system->mutex))); @@ -1026,8 +1014,8 @@ UNIV_INTERN void fil_space_truncate_start( /*=====================*/ - ulint id, /* in: space id */ - ulint trunc_len) /* in: truncate by this much; it is an error + ulint id, /*!< in: space id */ + ulint trunc_len) /*!< in: truncate by this much; it is an error if this does not equal to the combined size of some initial files in the space */ { @@ -1056,17 +1044,17 @@ fil_space_truncate_start( /*********************************************************************** Creates a space memory object and puts it to the tablespace memory cache. If -there is an error, prints an error message to the .err log. */ +there is an error, prints an error message to the .err log. +@return TRUE if success */ UNIV_INTERN ibool fil_space_create( /*=============*/ - /* out: TRUE if success */ - const char* name, /* in: space name */ - ulint id, /* in: space id */ - ulint flags, /* in: compressed page size + const char* name, /*!< in: space name */ + ulint id, /*!< in: space id */ + ulint flags, /*!< in: compressed page size and file format, or 0 */ - ulint purpose)/* in: FIL_TABLESPACE, or FIL_LOG if log */ + ulint purpose)/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ { fil_space_t* space; @@ -1200,13 +1188,12 @@ try_again: /*********************************************************************** Assigns a new space id for a new single-table tablespace. This works simply by incrementing the global counter. If 4 billion id's is not enough, we may need -to recycle id's. */ +to recycle id's. +@return new tablespace id; ULINT_UNDEFINED if could not assign an id */ static ulint fil_assign_new_space_id(void) /*=========================*/ - /* out: new tablespace id; ULINT_UNDEFINED if could - not assign an id */ { ulint id; @@ -1253,13 +1240,13 @@ fil_assign_new_space_id(void) /*********************************************************************** Frees a space object from the tablespace memory cache. Closes the files in the chain but does not delete them. There must not be any pending i/o's or -flushes on the files. */ +flushes on the files. +@return TRUE if success */ UNIV_INTERN ibool fil_space_free( /*===========*/ - /* out: TRUE if success */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; fil_space_t* namespace; @@ -1324,13 +1311,13 @@ fil_space_free( /*********************************************************************** Returns the size of the space in pages. The tablespace must be cached in the -memory cache. */ +memory cache. +@return space size, 0 if space not found */ UNIV_INTERN ulint fil_space_get_size( /*===============*/ - /* out: space size, 0 if space not found */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_node_t* node; fil_space_t* space; @@ -1372,13 +1359,13 @@ fil_space_get_size( /*********************************************************************** Returns the flags of the space. The tablespace must be cached -in the memory cache. */ +in the memory cache. +@return flags, ULINT_UNDEFINED if space not found */ UNIV_INTERN ulint fil_space_get_flags( /*================*/ - /* out: flags, ULINT_UNDEFINED if space not found */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_node_t* node; fil_space_t* space; @@ -1424,14 +1411,13 @@ fil_space_get_flags( /*********************************************************************** Returns the compressed page size of the space, or 0 if the space -is not compressed. The tablespace must be cached in the memory cache. */ +is not compressed. The tablespace must be cached in the memory cache. +@return compressed page size, ULINT_UNDEFINED if space not found */ UNIV_INTERN ulint fil_space_get_zip_size( /*===================*/ - /* out: compressed page size, ULINT_UNDEFINED - if space not found */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { ulint flags; @@ -1447,14 +1433,14 @@ fil_space_get_zip_size( /*********************************************************************** Checks if the pair space, page_no refers to an existing page in a tablespace -file space. The tablespace must be cached in the memory cache. */ +file space. The tablespace must be cached in the memory cache. +@return TRUE if the address is meaningful */ UNIV_INTERN ibool fil_check_adress_in_tablespace( /*===========================*/ - /* out: TRUE if the address is meaningful */ - ulint id, /* in: space id */ - ulint page_no)/* in: page number */ + ulint id, /*!< in: space id */ + ulint page_no)/*!< in: page number */ { if (fil_space_get_size(id) > page_no) { @@ -1470,8 +1456,8 @@ UNIV_INTERN void fil_init( /*=====*/ - ulint hash_size, /* in: hash table size */ - ulint max_n_open) /* in: max number of open files */ + ulint hash_size, /*!< in: hash table size */ + ulint max_n_open) /*!< in: max number of open files */ { ut_a(fil_system == NULL); @@ -1594,7 +1580,7 @@ UNIV_INTERN void fil_set_max_space_id_if_bigger( /*===========================*/ - ulint max_id) /* in: maximum known id */ + ulint max_id) /*!< in: maximum known id */ { if (max_id >= SRV_LOG_SPACE_FIRST_ID) { fprintf(stderr, @@ -1621,11 +1607,11 @@ static ulint fil_write_lsn_and_arch_no_to_file( /*==============================*/ - ulint sum_of_sizes, /* in: combined size of previous files + ulint sum_of_sizes, /*!< in: combined size of previous files in space, in database pages */ - ib_uint64_t lsn, /* in: lsn to write */ + ib_uint64_t lsn, /*!< in: lsn to write */ ulint arch_log_no __attribute__((unused))) - /* in: archived log number to write */ + /*!< in: archived log number to write */ { byte* buf1; byte* buf; @@ -1646,14 +1632,14 @@ fil_write_lsn_and_arch_no_to_file( /******************************************************************** Writes the flushed lsn and the latest archived log number to the page -header of the first page of each data file in the system tablespace. */ +header of the first page of each data file in the system tablespace. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint fil_write_flushed_lsn_to_data_files( /*================================*/ - /* out: DB_SUCCESS or error number */ - ib_uint64_t lsn, /* in: lsn to write */ - ulint arch_log_no) /* in: latest archived log + ib_uint64_t lsn, /*!< in: lsn to write */ + ulint arch_log_no) /*!< in: latest archived log file number */ { fil_space_t* space; @@ -1708,16 +1694,16 @@ UNIV_INTERN void fil_read_flushed_lsn_and_arch_log_no( /*=================================*/ - os_file_t data_file, /* in: open data file */ - ibool one_read_already, /* in: TRUE if min and max + os_file_t data_file, /*!< in: open data file */ + ibool one_read_already, /*!< in: TRUE if min and max parameters below already contain sensible data */ #ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no, /* in/out: */ - ulint* max_arch_log_no, /* in/out: */ + ulint* min_arch_log_no, /*!< in/out: */ + ulint* max_arch_log_no, /*!< in/out: */ #endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn, /* in/out: */ - ib_uint64_t* max_flushed_lsn) /* in/out: */ + ib_uint64_t* min_flushed_lsn, /*!< in/out: */ + ib_uint64_t* max_flushed_lsn) /*!< in/out: */ { byte* buf; byte* buf2; @@ -1764,14 +1750,13 @@ fil_read_flushed_lsn_and_arch_log_no( #ifndef UNIV_HOTBACKUP /*********************************************************************** Increments the count of pending insert buffer page merges, if space is not -being deleted. */ +being deleted. +@return TRUE if being deleted, and ibuf merges should be skipped */ UNIV_INTERN ibool fil_inc_pending_ibuf_merges( /*========================*/ - /* out: TRUE if being deleted, and ibuf merges should - be skipped */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; @@ -1805,7 +1790,7 @@ UNIV_INTERN void fil_decr_pending_ibuf_merges( /*=========================*/ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; @@ -1834,7 +1819,7 @@ static void fil_create_directory_for_tablename( /*===============================*/ - const char* name) /* in: name in the standard + const char* name) /*!< in: name in the standard 'databasename/tablename' format */ { const char* namend; @@ -1864,24 +1849,24 @@ static void fil_op_write_log( /*=============*/ - ulint type, /* in: MLOG_FILE_CREATE, + ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_CREATE2, MLOG_FILE_DELETE, or MLOG_FILE_RENAME */ - ulint space_id, /* in: space id */ - ulint log_flags, /* in: redo log flags (stored + ulint space_id, /*!< in: space id */ + ulint log_flags, /*!< in: redo log flags (stored in the page number field) */ - ulint flags, /* in: compressed page size + ulint flags, /*!< in: compressed page size and file format if type==MLOG_FILE_CREATE2, or 0 */ - const char* name, /* in: table name in the familiar + const char* name, /*!< in: table name in the familiar 'databasename/tablename' format, or the file path in the case of MLOG_FILE_DELETE */ - const char* new_name, /* in: if type is MLOG_FILE_RENAME, + const char* new_name, /*!< in: if type is MLOG_FILE_RENAME, the new table name in the 'databasename/tablename' format */ - mtr_t* mtr) /* in: mini-transaction handle */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; ulint len; @@ -1935,23 +1920,21 @@ at that path does not exist yet. If the database directory for the file to be created does not exist, then we create the directory, too. Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the -datadir that we should use in replaying the file operations. */ +datadir that we should use in replaying the file operations. +@return end of log record, or NULL if the record was not completely contained between ptr and end_ptr */ UNIV_INTERN byte* fil_op_log_parse_or_replay( /*=======================*/ - /* out: end of log record, or NULL if the - record was not completely contained between - ptr and end_ptr */ - byte* ptr, /* in: buffer containing the log record body, + byte* ptr, /*!< in: buffer containing the log record body, or an initial segment of it, if the record does not fir completely between ptr and end_ptr */ - byte* end_ptr, /* in: buffer end */ - ulint type, /* in: the type of this log record */ - ulint space_id, /* in: the space id of the tablespace in + byte* end_ptr, /*!< in: buffer end */ + ulint type, /*!< in: the type of this log record */ + ulint space_id, /*!< in: the space id of the tablespace in question, or 0 if the log record should only be parsed but not replayed */ - ulint log_flags) /* in: redo log flags + ulint log_flags) /*!< in: redo log flags (stored in the page number parameter) */ { ulint name_len; @@ -2097,13 +2080,13 @@ fil_op_log_parse_or_replay( /*********************************************************************** Deletes a single-table tablespace. The tablespace must be cached in the -memory cache. */ +memory cache. +@return TRUE if success */ UNIV_INTERN ibool fil_delete_tablespace( /*==================*/ - /* out: TRUE if success */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { ibool success; fil_space_t* space; @@ -2258,13 +2241,13 @@ memory cache. Discarding is like deleting a tablespace, but 2) we remove all insert buffer entries for the tablespace immediately; in DROP TABLE they are only removed gradually in the background; 3) when the user does IMPORT TABLESPACE, the tablespace will have the same id -as it originally had. */ +as it originally had. +@return TRUE if success */ UNIV_INTERN ibool fil_discard_tablespace( /*===================*/ - /* out: TRUE if success */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { ibool success; @@ -2288,15 +2271,15 @@ fil_discard_tablespace( #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** -Renames the memory cache structures of a single-table tablespace. */ +Renames the memory cache structures of a single-table tablespace. +@return TRUE if success */ static ibool fil_rename_tablespace_in_mem( /*=========================*/ - /* out: TRUE if success */ - fil_space_t* space, /* in: tablespace memory object */ - fil_node_t* node, /* in: file node of that tablespace */ - const char* path) /* in: new name */ + fil_space_t* space, /*!< in: tablespace memory object */ + fil_node_t* node, /*!< in: file node of that tablespace */ + const char* path) /*!< in: new name */ { fil_space_t* space2; const char* old_name = space->name; @@ -2336,15 +2319,15 @@ fil_rename_tablespace_in_mem( /*********************************************************************** Allocates a file name for a single-table tablespace. The string must be freed -by caller with mem_free(). */ +by caller with mem_free(). +@return own: file name */ static char* fil_make_ibd_name( /*==============*/ - /* out, own: file name */ - const char* name, /* in: table name or a dir path of a + const char* name, /*!< in: table name or a dir path of a TEMPORARY table */ - ibool is_temp) /* in: TRUE if it is a dir path */ + ibool is_temp) /*!< in: TRUE if it is a dir path */ { ulint namelen = strlen(name); ulint dirlen = strlen(fil_path_to_mysql_datadir); @@ -2368,18 +2351,18 @@ fil_make_ibd_name( /*********************************************************************** Renames a single-table tablespace. The tablespace must be cached in the -tablespace memory cache. */ +tablespace memory cache. +@return TRUE if success */ UNIV_INTERN ibool fil_rename_tablespace( /*==================*/ - /* out: TRUE if success */ - const char* old_name, /* in: old table name in the standard + const char* old_name, /*!< in: old table name in the standard databasename/tablename format of InnoDB, or NULL if we do the rename based on the space id only */ - ulint id, /* in: space id */ - const char* new_name) /* in: new table name in the standard + ulint id, /*!< in: space id */ + const char* new_name) /*!< in: new table name in the standard databasename/tablename format of InnoDB */ { @@ -2521,23 +2504,23 @@ Creates a new single-table tablespace to a database directory of MySQL. Database directories are under the 'datadir' of MySQL. The datadir is the directory of a running mysqld program. We can refer to it by simply the path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp -dir of the mysqld server. */ +dir of the mysqld server. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint fil_create_new_single_table_tablespace( /*===================================*/ - /* out: DB_SUCCESS or error code */ - ulint* space_id, /* in/out: space id; if this is != 0, + ulint* space_id, /*!< in/out: space id; if this is != 0, then this is an input parameter, otherwise output */ - const char* tablename, /* in: the table name in the usual + const char* tablename, /*!< in: the table name in the usual databasename/tablename format of InnoDB, or a dir path to a temp table */ - ibool is_temp, /* in: TRUE if a table created with + ibool is_temp, /*!< in: TRUE if a table created with CREATE TEMPORARY TABLE */ - ulint flags, /* in: tablespace flags */ - ulint size) /* in: the initial size of the + ulint flags, /*!< in: tablespace flags */ + ulint size) /*!< in: the initial size of the tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ { @@ -2733,15 +2716,15 @@ the case, reset page lsn's in the file. We assume that mysqld was shut down after it performed these cleanup operations on the .ibd file, so that it at the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the first page of the .ibd file, and we can determine whether we need to reset the -lsn's just by looking at that flush lsn. */ +lsn's just by looking at that flush lsn. +@return TRUE if success */ UNIV_INTERN ibool fil_reset_too_high_lsns( /*====================*/ - /* out: TRUE if success */ - const char* name, /* in: table name in the + const char* name, /*!< in: table name in the databasename/tablename format */ - ib_uint64_t current_lsn) /* in: reset lsn's if the lsn stamped + ib_uint64_t current_lsn) /*!< in: reset lsn's if the lsn stamped to FIL_PAGE_FILE_FLUSH_LSN in the first page is too high */ { @@ -2896,22 +2879,22 @@ IMPORT TABLESPACE. NOTE that we assume this operation is used either at the database startup or under the protection of the dictionary mutex, so that two users cannot race here. This operation does not leave the file associated with the -tablespace open, but closes it after we have looked at the space id in it. */ +tablespace open, but closes it after we have looked at the space id in it. +@return TRUE if success */ UNIV_INTERN ibool fil_open_single_table_tablespace( /*=============================*/ - /* out: TRUE if success */ - ibool check_space_id, /* in: should we check that the space + ibool check_space_id, /*!< in: should we check that the space id in the file is right; we assume that this function runs much faster if no check is made, since accessing the file inode probably is much faster (the OS caches them) than accessing the first page of the file */ - ulint id, /* in: space id */ - ulint flags, /* in: tablespace flags */ - const char* name) /* in: table name in the + ulint id, /*!< in: space id */ + ulint flags, /*!< in: tablespace flags */ + const char* name) /*!< in: table name in the databasename/tablename format */ { os_file_t file; @@ -3026,13 +3009,13 @@ func_exit: #ifdef UNIV_HOTBACKUP /*********************************************************************** Allocates a file name for an old version of a single-table tablespace. -The string must be freed by caller with mem_free()! */ +The string must be freed by caller with mem_free()! +@return own: file name */ static char* fil_make_ibbackup_old_name( /*=======================*/ - /* out, own: file name */ - const char* name) /* in: original file name */ + const char* name) /*!< in: original file name */ { static const char suffix[] = "_ibbackup_old_vers_"; ulint len = strlen(name); @@ -3052,8 +3035,8 @@ static void fil_load_single_table_tablespace( /*=============================*/ - const char* dbname, /* in: database name */ - const char* filename) /* in: file name (not a path), + const char* dbname, /*!< in: database name */ + const char* filename) /*!< in: file name (not a path), including the .ibd extension */ { os_file_t file; @@ -3314,18 +3297,17 @@ func_exit: /*************************************************************************** A fault-tolerant function that tries to read the next file name in the directory. We retry 100 times if os_file_readdir_next_file() returns -1. The -idea is to read as much good data as we can and jump over bad data. */ +idea is to read as much good data as we can and jump over bad data. +@return 0 if ok, -1 if error even after the retries, 1 if at the end of the directory */ static int fil_file_readdir_next_file( /*=======================*/ - /* out: 0 if ok, -1 if error even after the - retries, 1 if at the end of the directory */ - ulint* err, /* out: this is set to DB_ERROR if an error + ulint* err, /*!< out: this is set to DB_ERROR if an error was encountered, otherwise not changed */ - const char* dirname,/* in: directory name or path */ - os_file_dir_t dir, /* in: directory stream */ - os_file_stat_t* info) /* in/out: buffer where the info is returned */ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ { ulint i; int ret; @@ -3357,12 +3339,12 @@ directories under the MySQL datadir, looking for .ibd files. Those files are single-table tablespaces. We need to know the space id in each of them so that we know into which file we should look to check the contents of a page stored in the doublewrite buffer, also to know where to apply log records where the -space id is != 0. */ +space id is != 0. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint fil_load_single_table_tablespaces(void) /*===================================*/ - /* out: DB_SUCCESS or error number */ { int ret; char* dbpath = NULL; @@ -3515,15 +3497,14 @@ fil_print_orphaned_tablespaces(void) /*********************************************************************** Returns TRUE if a single-table tablespace does not exist in the memory cache, -or is being deleted there. */ +or is being deleted there. +@return TRUE if does not exist or is being\ deleted */ UNIV_INTERN ibool fil_tablespace_deleted_or_being_deleted_in_mem( /*===========================================*/ - /* out: TRUE if does not exist or is being\ - deleted */ - ulint id, /* in: space id */ - ib_int64_t version)/* in: tablespace_version should be this; if + ulint id, /*!< in: space id */ + ib_int64_t version)/*!< in: tablespace_version should be this; if you pass -1 as the value of this, then this parameter is ignored */ { @@ -3554,13 +3535,13 @@ fil_tablespace_deleted_or_being_deleted_in_mem( } /*********************************************************************** -Returns TRUE if a single-table tablespace exists in the memory cache. */ +Returns TRUE if a single-table tablespace exists in the memory cache. +@return TRUE if exists */ UNIV_INTERN ibool fil_tablespace_exists_in_mem( /*=========================*/ - /* out: TRUE if exists */ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; @@ -3578,27 +3559,26 @@ fil_tablespace_exists_in_mem( /*********************************************************************** Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory cache. Note that if we have not done a crash recovery at the database startup, -there may be many tablespaces which are not yet in the memory cache. */ +there may be many tablespaces which are not yet in the memory cache. +@return TRUE if a matching tablespace exists in the memory cache */ UNIV_INTERN ibool fil_space_for_table_exists_in_mem( /*==============================*/ - /* out: TRUE if a matching tablespace - exists in the memory cache */ - ulint id, /* in: space id */ - const char* name, /* in: table name in the standard + ulint id, /*!< in: space id */ + const char* name, /*!< in: table name in the standard 'databasename/tablename' format or the dir path to a temp table */ - ibool is_temp, /* in: TRUE if created with CREATE + ibool is_temp, /*!< in: TRUE if created with CREATE TEMPORARY TABLE */ - ibool mark_space, /* in: in crash recovery, at database + ibool mark_space, /*!< in: in crash recovery, at database startup we mark all spaces which have an associated table in the InnoDB data dictionary, so that we can print a warning about orphaned tablespaces */ ibool print_error_if_does_not_exist) - /* in: print detailed error + /*!< in: print detailed error information to the .err log if a matching tablespace is not found from memory */ @@ -3718,14 +3698,13 @@ error_exit: /*********************************************************************** Checks if a single-table tablespace for a given table name exists in the -tablespace memory cache. */ +tablespace memory cache. +@return space id, ULINT_UNDEFINED if not found */ static ulint fil_get_space_id_for_table( /*=======================*/ - /* out: space id, ULINT_UNDEFINED if not - found */ - const char* name) /* in: table name in the standard + const char* name) /*!< in: table name in the standard 'databasename/tablename' format */ { fil_space_t* namespace; @@ -3757,17 +3736,17 @@ fil_get_space_id_for_table( /************************************************************************** Tries to extend a data file so that it would accommodate the number of pages given. The tablespace must be cached in the memory cache. If the space is big -enough already, does nothing. */ +enough already, does nothing. +@return TRUE if success */ UNIV_INTERN ibool fil_extend_space_to_desired_size( /*=============================*/ - /* out: TRUE if success */ - ulint* actual_size, /* out: size of the space after extension; + ulint* actual_size, /*!< out: size of the space after extension; if we ran out of disk space this may be lower than the desired size */ - ulint space_id, /* in: space id */ - ulint size_after_extend)/* in: desired size in pages after the + ulint space_id, /*!< in: space id */ + ulint size_after_extend)/*!< in: desired size in pages after the extension; if the current space size is bigger than this already, the function does nothing */ { @@ -3954,15 +3933,15 @@ fil_extend_tablespaces_to_stored_len(void) /*========== RESERVE FREE EXTENTS (for a B-tree split, for example) ===*/ /*********************************************************************** -Tries to reserve free extents in a file space. */ +Tries to reserve free extents in a file space. +@return TRUE if succeed */ UNIV_INTERN ibool fil_space_reserve_free_extents( /*===========================*/ - /* out: TRUE if succeed */ - ulint id, /* in: space id */ - ulint n_free_now, /* in: number of free extents now */ - ulint n_to_reserve) /* in: how many one wants to reserve */ + ulint id, /*!< in: space id */ + ulint n_free_now, /*!< in: number of free extents now */ + ulint n_to_reserve) /*!< in: how many one wants to reserve */ { fil_space_t* space; ibool success; @@ -3993,8 +3972,8 @@ UNIV_INTERN void fil_space_release_free_extents( /*===========================*/ - ulint id, /* in: space id */ - ulint n_reserved) /* in: how many one reserved */ + ulint id, /*!< in: space id */ + ulint n_reserved) /*!< in: how many one reserved */ { fil_space_t* space; @@ -4019,7 +3998,7 @@ UNIV_INTERN ulint fil_space_get_n_reserved_extents( /*=============================*/ - ulint id) /* in: space id */ + ulint id) /*!< in: space id */ { fil_space_t* space; ulint n; @@ -4052,9 +4031,9 @@ static void fil_node_prepare_for_io( /*====================*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - fil_space_t* space) /* in: space */ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space */ { ut_ad(node && system && space); ut_ad(mutex_own(&(system->mutex))); @@ -4094,9 +4073,9 @@ static void fil_node_complete_io( /*=================*/ - fil_node_t* node, /* in: file node */ - fil_system_t* system, /* in: tablespace memory cache */ - ulint type) /* in: OS_FILE_WRITE or OS_FILE_READ; marks + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + ulint type) /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks the node as modified if type == OS_FILE_WRITE */ { @@ -4134,12 +4113,12 @@ static void fil_report_invalid_page_access( /*===========================*/ - ulint block_offset, /* in: block offset */ - ulint space_id, /* in: space id */ - const char* space_name, /* in: space name */ - ulint byte_offset, /* in: byte offset */ - ulint len, /* in: I/O length */ - ulint type) /* in: I/O type */ + ulint block_offset, /*!< in: block offset */ + ulint space_id, /*!< in: space id */ + const char* space_name, /*!< in: space name */ + ulint byte_offset, /*!< in: byte offset */ + ulint len, /*!< in: I/O length */ + ulint type) /*!< in: I/O type */ { fprintf(stderr, "InnoDB: Error: trying to access page number %lu" @@ -4157,15 +4136,13 @@ fil_report_invalid_page_access( } /************************************************************************ -Reads or writes data. This operation is asynchronous (aio). */ +Reads or writes data. This operation is asynchronous (aio). +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ UNIV_INTERN ulint fil_io( /*===*/ - /* out: DB_SUCCESS, or DB_TABLESPACE_DELETED - if we are trying to do i/o on a tablespace - which does not exist */ - ulint type, /* in: OS_FILE_READ or OS_FILE_WRITE, + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, ORed to OS_FILE_LOG, if a log i/o and ORed to OS_AIO_SIMULATED_WAKE_LATER if simulated aio and we want to post a @@ -4174,21 +4151,21 @@ fil_io( because i/os are not actually handled until all have been posted: use with great caution! */ - ibool sync, /* in: TRUE if synchronous aio is desired */ - ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes; + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint block_offset, /* in: offset in number of blocks */ - ulint byte_offset, /* in: remainder of offset in bytes; in + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio this must be divisible by the OS block size */ - ulint len, /* in: how many bytes to read or write; this + ulint len, /*!< in: how many bytes to read or write; this must not cross a file boundary; in aio this must be a block size multiple */ - void* buf, /* in/out: buffer where to store read data + void* buf, /*!< in/out: buffer where to store read data or from where to write; in aio this must be appropriately aligned */ - void* message) /* in: message for aio handler if non-sync + void* message) /*!< in: message for aio handler if non-sync aio used, else ignored */ { ulint mode; @@ -4389,7 +4366,7 @@ UNIV_INTERN void fil_aio_wait( /*=========*/ - ulint segment) /* in: the number of the segment in the aio + ulint segment) /*!< in: the number of the segment in the aio array to wait for */ { ibool ret; @@ -4453,7 +4430,7 @@ UNIV_INTERN void fil_flush( /*======*/ - ulint space_id) /* in: file space id (this can be a group of + ulint space_id) /*!< in: file space id (this can be a group of log files or a tablespace of the database) */ { fil_space_t* space; @@ -4568,7 +4545,7 @@ UNIV_INTERN void fil_flush_file_spaces( /*==================*/ - ulint purpose) /* in: FIL_TABLESPACE, FIL_LOG */ + ulint purpose) /*!< in: FIL_TABLESPACE, FIL_LOG */ { fil_space_t* space; ulint* space_ids; @@ -4615,12 +4592,12 @@ fil_flush_file_spaces( } /********************************************************************** -Checks the consistency of the tablespace cache. */ +Checks the consistency of the tablespace cache. +@return TRUE if ok */ UNIV_INTERN ibool fil_validate(void) /*==============*/ - /* out: TRUE if ok */ { fil_space_t* space; fil_node_t* fil_node; @@ -4677,37 +4654,37 @@ fil_validate(void) } /************************************************************************ -Returns TRUE if file address is undefined. */ +Returns TRUE if file address is undefined. +@return TRUE if undefined */ UNIV_INTERN ibool fil_addr_is_null( /*=============*/ - /* out: TRUE if undefined */ - fil_addr_t addr) /* in: address */ + fil_addr_t addr) /*!< in: address */ { return(addr.page == FIL_NULL); } /************************************************************************ -Get the predecessor of a file page. */ +Get the predecessor of a file page. +@return FIL_PAGE_PREV */ UNIV_INTERN ulint fil_page_get_prev( /*==============*/ - /* out: FIL_PAGE_PREV */ - const byte* page) /* in: file page */ + const byte* page) /*!< in: file page */ { return(mach_read_from_4(page + FIL_PAGE_PREV)); } /************************************************************************ -Get the successor of a file page. */ +Get the successor of a file page. +@return FIL_PAGE_NEXT */ UNIV_INTERN ulint fil_page_get_next( /*==============*/ - /* out: FIL_PAGE_NEXT */ - const byte* page) /* in: file page */ + const byte* page) /*!< in: file page */ { return(mach_read_from_4(page + FIL_PAGE_NEXT)); } @@ -4718,8 +4695,8 @@ UNIV_INTERN void fil_page_set_type( /*==============*/ - byte* page, /* in/out: file page */ - ulint type) /* in: type */ + byte* page, /*!< in/out: file page */ + ulint type) /*!< in: type */ { ut_ad(page); @@ -4727,15 +4704,13 @@ fil_page_set_type( } /************************************************************************* -Gets the file page type. */ +Gets the file page type. +@return type; NOTE that if the type has not been written to page, the return value not defined */ UNIV_INTERN ulint fil_page_get_type( /*==============*/ - /* out: type; NOTE that if the type - has not been written to page, the return value - not defined */ - const byte* page) /* in: file page */ + const byte* page) /*!< in: file page */ { ut_ad(page); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 7d72f33d2b7..bde079869fc 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -237,34 +237,34 @@ static void fsp_free_extent( /*============*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset in the extent */ - mtr_t* mtr); /* in: mtr */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Frees an extent of a segment to the space free list. */ static void fseg_free_extent( /*=============*/ - fseg_inode_t* seg_inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset in the extent */ - mtr_t* mtr); /* in: mtr handle */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr); /*!< in: mtr handle */ /************************************************************************** Calculates the number of pages reserved by a segment, and how -many pages are currently used. */ +many pages are currently used. +@return number of reserved pages */ static ulint fseg_n_reserved_pages_low( /*======================*/ - /* out: number of reserved pages */ - fseg_inode_t* header, /* in: segment inode */ - ulint* used, /* out: number of pages used (<= reserved) */ - mtr_t* mtr); /* in: mtr handle */ + fseg_inode_t* header, /*!< in: segment inode */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr); /*!< in: mtr handle */ /************************************************************************ Marks a page used. The page must reside within the extents of the given segment. */ @@ -272,27 +272,26 @@ static void fseg_mark_page_used( /*================*/ - fseg_inode_t* seg_inode,/* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* seg_inode,/*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset */ - mtr_t* mtr); /* in: mtr */ + ulint page, /*!< in: page offset */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Returns the first extent descriptor for a segment. We think of the extent lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL --> FSEG_FREE. */ +-> FSEG_FREE. +@return the first extent descriptor, or NULL if none */ static xdes_t* fseg_get_first_extent( /*==================*/ - /* out: the first extent descriptor, or NULL if - none */ - fseg_inode_t* inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Puts new extents to the free list if there are free extents above the free limit. If an extent happens @@ -302,61 +301,60 @@ static void fsp_fill_free_list( /*===============*/ - ibool init_space, /* in: TRUE if this is a single-table + ibool init_space, /*!< in: TRUE if this is a single-table tablespace and we are only initing the tablespace's first extent descriptor page and ibuf bitmap page; then we do not allocate more extents */ - ulint space, /* in: space */ - fsp_header_t* header, /* in: space header */ - mtr_t* mtr); /* in: mtr */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space -fragmentation. */ +fragmentation. +@return the allocated page number, FIL_NULL if no page could be allocated */ static ulint fseg_alloc_free_page_low( /*=====================*/ - /* out: the allocated page number, FIL_NULL - if no page could be allocated */ - ulint space, /* in: space */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fseg_inode_t* seg_inode, /* in: segment inode */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction, /* in: if the new page is needed because + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - mtr_t* mtr); /* in: mtr handle */ + mtr_t* mtr); /*!< in: mtr handle */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************** -Reads the file space size stored in the header page. */ +Reads the file space size stored in the header page. +@return tablespace size stored in the space header */ UNIV_INTERN ulint fsp_get_size_low( /*=============*/ - /* out: tablespace size stored in the space header */ - page_t* page) /* in: header page (page 0 in the tablespace) */ + page_t* page) /*!< in: header page (page 0 in the tablespace) */ { return(mach_read_from_4(page + FSP_HEADER_OFFSET + FSP_SIZE)); } #ifndef UNIV_HOTBACKUP /************************************************************************** -Gets a pointer to the space header and x-locks its page. */ +Gets a pointer to the space header and x-locks its page. +@return pointer to the space header, page x-locked */ UNIV_INLINE fsp_header_t* fsp_get_space_header( /*=================*/ - /* out: pointer to the space header, page x-locked */ - ulint id, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint id, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; fsp_header_t* header; @@ -377,17 +375,17 @@ fsp_get_space_header( } /************************************************************************** -Gets a descriptor bit of a page. */ +Gets a descriptor bit of a page. +@return TRUE if free */ UNIV_INLINE ibool xdes_get_bit( /*=========*/ - /* out: TRUE if free */ - xdes_t* descr, /* in: descriptor */ - ulint bit, /* in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset, /* in: page offset within extent: + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ulint offset, /*!< in: page offset within extent: 0 ... FSP_EXTENT_SIZE - 1 */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint index; ulint byte_index; @@ -413,12 +411,12 @@ UNIV_INLINE void xdes_set_bit( /*=========*/ - xdes_t* descr, /* in: descriptor */ - ulint bit, /* in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset, /* in: page offset within extent: + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ulint offset, /*!< in: page offset within extent: 0 ... FSP_EXTENT_SIZE - 1 */ - ibool val, /* in: bit value */ - mtr_t* mtr) /* in: mtr */ + ibool val, /*!< in: bit value */ + mtr_t* mtr) /*!< in: mtr */ { ulint index; ulint byte_index; @@ -445,18 +443,17 @@ xdes_set_bit( /************************************************************************** Looks for a descriptor bit having the desired value. Starts from hint and scans upward; at the end of the extent the search is wrapped to -the start of the extent. */ +the start of the extent. +@return bit index of the bit, ULINT_UNDEFINED if not found */ UNIV_INLINE ulint xdes_find_bit( /*==========*/ - /* out: bit index of the bit, ULINT_UNDEFINED if not - found */ - xdes_t* descr, /* in: descriptor */ - ulint bit, /* in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ibool val, /* in: desired bit value */ - ulint hint, /* in: hint of which bit position would be desirable */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ibool val, /*!< in: desired bit value */ + ulint hint, /*!< in: hint of which bit position would be desirable */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; @@ -483,18 +480,17 @@ xdes_find_bit( /************************************************************************** Looks for a descriptor bit having the desired value. Scans the extent in -a direction opposite to xdes_find_bit. */ +a direction opposite to xdes_find_bit. +@return bit index of the bit, ULINT_UNDEFINED if not found */ UNIV_INLINE ulint xdes_find_bit_downward( /*===================*/ - /* out: bit index of the bit, ULINT_UNDEFINED if not - found */ - xdes_t* descr, /* in: descriptor */ - ulint bit, /* in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ibool val, /* in: desired bit value */ - ulint hint, /* in: hint of which bit position would be desirable */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ibool val, /*!< in: desired bit value */ + ulint hint, /*!< in: hint of which bit position would be desirable */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; @@ -520,14 +516,14 @@ xdes_find_bit_downward( } /************************************************************************** -Returns the number of used pages in a descriptor. */ +Returns the number of used pages in a descriptor. +@return number of pages used */ UNIV_INLINE ulint xdes_get_n_used( /*============*/ - /* out: number of pages used */ - xdes_t* descr, /* in: descriptor */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; ulint count = 0; @@ -544,14 +540,14 @@ xdes_get_n_used( } /************************************************************************** -Returns true if extent contains no used pages. */ +Returns true if extent contains no used pages. +@return TRUE if totally free */ UNIV_INLINE ibool xdes_is_free( /*=========*/ - /* out: TRUE if totally free */ - xdes_t* descr, /* in: descriptor */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { if (0 == xdes_get_n_used(descr, mtr)) { @@ -562,14 +558,14 @@ xdes_is_free( } /************************************************************************** -Returns true if extent contains no free pages. */ +Returns true if extent contains no free pages. +@return TRUE if full */ UNIV_INLINE ibool xdes_is_full( /*=========*/ - /* out: TRUE if full */ - xdes_t* descr, /* in: descriptor */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { if (FSP_EXTENT_SIZE == xdes_get_n_used(descr, mtr)) { @@ -585,9 +581,9 @@ UNIV_INLINE void xdes_set_state( /*===========*/ - xdes_t* descr, /* in: descriptor */ - ulint state, /* in: state to set */ - mtr_t* mtr) /* in: mtr handle */ + xdes_t* descr, /*!< in: descriptor */ + ulint state, /*!< in: state to set */ + mtr_t* mtr) /*!< in: mtr handle */ { ut_ad(descr && mtr); ut_ad(state >= XDES_FREE); @@ -598,14 +594,14 @@ xdes_set_state( } /************************************************************************** -Gets the state of an xdes. */ +Gets the state of an xdes. +@return state */ UNIV_INLINE ulint xdes_get_state( /*===========*/ - /* out: state */ - xdes_t* descr, /* in: descriptor */ - mtr_t* mtr) /* in: mtr handle */ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint state; @@ -623,8 +619,8 @@ UNIV_INLINE void xdes_init( /*======*/ - xdes_t* descr, /* in: descriptor */ - mtr_t* mtr) /* in: mtr */ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; @@ -640,15 +636,15 @@ xdes_init( } /************************************************************************ -Calculates the page where the descriptor of a page resides. */ +Calculates the page where the descriptor of a page resides. +@return descriptor page offset */ UNIV_INLINE ulint xdes_calc_descriptor_page( /*======================*/ - /* out: descriptor page offset */ - ulint zip_size, /* in: compressed page size in bytes; + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint offset) /* in: page offset */ + ulint offset) /*!< in: page offset */ { #if UNIV_PAGE_SIZE <= XDES_ARR_OFFSET \ + (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE @@ -670,15 +666,15 @@ xdes_calc_descriptor_page( } /************************************************************************ -Calculates the descriptor index within a descriptor page. */ +Calculates the descriptor index within a descriptor page. +@return descriptor index */ UNIV_INLINE ulint xdes_calc_descriptor_index( /*=======================*/ - /* out: descriptor index */ - ulint zip_size, /* in: compressed page size in bytes; + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint offset) /* in: page offset */ + ulint offset) /*!< in: page offset */ { ut_ad(ut_is_2pow(zip_size)); @@ -695,21 +691,19 @@ Gets pointer to a the extent descriptor of a page. The page where the extent descriptor resides is x-locked. If the page offset is equal to the free limit of the space, adds new extents from above the free limit to the space free list, if not free limit == space size. This adding is necessary to make the -descriptor defined, as they are uninitialized above the free limit. */ +descriptor defined, as they are uninitialized above the free limit. +@return pointer to the extent descriptor, NULL if the page does not exist in the space or if offset > free limit */ UNIV_INLINE xdes_t* xdes_get_descriptor_with_space_hdr( /*===============================*/ - /* out: pointer to the extent descriptor, - NULL if the page does not exist in the - space or if offset > free limit */ - fsp_header_t* sp_header,/* in: space header, x-latched */ - ulint space, /* in: space id */ - ulint offset, /* in: page offset; + fsp_header_t* sp_header,/*!< in: space header, x-latched */ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page offset; if equal to the free limit, we try to add new extents to the space free list */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint limit; ulint size; @@ -768,20 +762,18 @@ extent descriptor resides is x-locked. If the page offset is equal to the free limit of the space, adds new extents from above the free limit to the space free list, if not free limit == space size. This adding is necessary to make the descriptor defined, as they are uninitialized -above the free limit. */ +above the free limit. +@return pointer to the extent descriptor, NULL if the page does not exist in the space or if offset > free limit */ static xdes_t* xdes_get_descriptor( /*================*/ - /* out: pointer to the extent descriptor, NULL if the - page does not exist in the space or if offset > free - limit */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint offset, /* in: page offset; if equal to the free limit, + ulint offset, /*!< in: page offset; if equal to the free limit, we try to add new extents to the space free list */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { buf_block_t* block; fsp_header_t* sp_header; @@ -797,18 +789,18 @@ xdes_get_descriptor( /************************************************************************ Gets pointer to a the extent descriptor if the file address of the descriptor list node is known. The page where the -extent descriptor resides is x-locked. */ +extent descriptor resides is x-locked. +@return pointer to the extent descriptor */ UNIV_INLINE xdes_t* xdes_lst_get_descriptor( /*====================*/ - /* out: pointer to the extent descriptor */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fil_addr_t lst_node,/* in: file address of the list node + fil_addr_t lst_node,/*!< in: file address of the list node contained in the descriptor */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { xdes_t* descr; @@ -822,13 +814,13 @@ xdes_lst_get_descriptor( } /************************************************************************ -Returns page offset of the first page in extent described by a descriptor. */ +Returns page offset of the first page in extent described by a descriptor. +@return offset of the first page in extent */ UNIV_INLINE ulint xdes_get_offset( /*============*/ - /* out: offset of the first page in extent */ - xdes_t* descr) /* in: extent descriptor */ + xdes_t* descr) /*!< in: extent descriptor */ { ut_ad(descr); @@ -844,7 +836,7 @@ static void fsp_init_file_page_low( /*===================*/ - buf_block_t* block) /* in: pointer to a page */ + buf_block_t* block) /*!< in: pointer to a page */ { page_t* page = buf_block_get_frame(block); page_zip_des_t* page_zip= buf_block_get_page_zip(block); @@ -885,8 +877,8 @@ static void fsp_init_file_page( /*===============*/ - buf_block_t* block, /* in: pointer to a page */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: pointer to a page */ + mtr_t* mtr) /*!< in: mtr */ { fsp_init_file_page_low(block); @@ -896,15 +888,15 @@ fsp_init_file_page( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of a file page init. */ +Parses a redo log record of a file page init. +@return end of log record or NULL */ UNIV_INTERN byte* fsp_parse_init_file_page( /*=====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ - buf_block_t* block) /* in: block or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + buf_block_t* block) /*!< in: block or NULL */ { ut_ad(ptr && end_ptr); @@ -933,9 +925,9 @@ UNIV_INTERN void fsp_header_init_fields( /*===================*/ - page_t* page, /* in/out: first page in the space */ - ulint space_id, /* in: space id */ - ulint flags) /* in: tablespace flags (FSP_SPACE_FLAGS): + page_t* page, /*!< in/out: first page in the space */ + ulint space_id, /*!< in: space id */ + ulint flags) /*!< in: tablespace flags (FSP_SPACE_FLAGS): 0, or table->flags if newer than COMPACT */ { /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for @@ -958,9 +950,9 @@ UNIV_INTERN void fsp_header_init( /*============*/ - ulint space, /* in: space id */ - ulint size, /* in: current size in blocks */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint space, /*!< in: space id */ + ulint size, /*!< in: current size in blocks */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fsp_header_t* header; buf_block_t* block; @@ -1015,13 +1007,13 @@ fsp_header_init( #endif /* !UNIV_HOTBACKUP */ /************************************************************************** -Reads the space id from the first page of a tablespace. */ +Reads the space id from the first page of a tablespace. +@return space id, ULINT UNDEFINED if error */ UNIV_INTERN ulint fsp_header_get_space_id( /*====================*/ - /* out: space id, ULINT UNDEFINED if error */ - const page_t* page) /* in: first page of a tablespace */ + const page_t* page) /*!< in: first page of a tablespace */ { ulint fsp_id; ulint id; @@ -1043,13 +1035,13 @@ fsp_header_get_space_id( } /************************************************************************** -Reads the space flags from the first page of a tablespace. */ +Reads the space flags from the first page of a tablespace. +@return flags */ UNIV_INTERN ulint fsp_header_get_flags( /*=================*/ - /* out: flags */ - const page_t* page) /* in: first page of a tablespace */ + const page_t* page) /*!< in: first page of a tablespace */ { ut_ad(!page_offset(page)); @@ -1057,14 +1049,13 @@ fsp_header_get_flags( } /************************************************************************** -Reads the compressed page size from the first page of a tablespace. */ +Reads the compressed page size from the first page of a tablespace. +@return compressed page size in bytes, or 0 if uncompressed */ UNIV_INTERN ulint fsp_header_get_zip_size( /*====================*/ - /* out: compressed page size in bytes, - or 0 if uncompressed */ - const page_t* page) /* in: first page of a tablespace */ + const page_t* page) /*!< in: first page of a tablespace */ { ulint flags = fsp_header_get_flags(page); @@ -1078,9 +1069,9 @@ UNIV_INTERN void fsp_header_inc_size( /*================*/ - ulint space, /* in: space id */ - ulint size_inc,/* in: size increment in pages */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint space, /*!< in: space id */ + ulint size_inc,/*!< in: size increment in pages */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fsp_header_t* header; ulint size; @@ -1104,12 +1095,12 @@ fsp_header_inc_size( Gets the current free limit of the system tablespace. The free limit means the place of the first page which has never been put to the the free list for allocation. The space above that address is initialized -to zero. Sets also the global variable log_fsp_current_free_limit. */ +to zero. Sets also the global variable log_fsp_current_free_limit. +@return free limit in megabytes */ UNIV_INTERN ulint fsp_header_get_free_limit(void) /*===========================*/ - /* out: free limit in megabytes */ { fsp_header_t* header; ulint limit; @@ -1136,12 +1127,12 @@ fsp_header_get_free_limit(void) Gets the size of the system tablespace from the tablespace header. If we do not have an auto-extending data file, this should be equal to the size of the data files. If there is an auto-extending data file, -this can be smaller. */ +this can be smaller. +@return size in pages */ UNIV_INTERN ulint fsp_header_get_tablespace_size(void) /*================================*/ - /* out: size in pages */ { fsp_header_t* header; ulint size; @@ -1162,16 +1153,16 @@ fsp_header_get_tablespace_size(void) /*************************************************************************** Tries to extend a single-table tablespace so that a page would fit in the -data file. */ +data file. +@return TRUE if success */ static ibool fsp_try_extend_data_file_with_pages( /*================================*/ - /* out: TRUE if success */ - ulint space, /* in: space */ - ulint page_no, /* in: page number */ - fsp_header_t* header, /* in: space header */ - mtr_t* mtr) /* in: mtr */ + ulint space, /*!< in: space */ + ulint page_no, /*!< in: page number */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mtr */ { ibool success; ulint actual_size; @@ -1194,20 +1185,20 @@ fsp_try_extend_data_file_with_pages( } /*************************************************************************** -Tries to extend the last data file of a tablespace if it is auto-extending. */ +Tries to extend the last data file of a tablespace if it is auto-extending. +@return FALSE if not auto-extending */ static ibool fsp_try_extend_data_file( /*=====================*/ - /* out: FALSE if not auto-extending */ - ulint* actual_increase,/* out: actual increase in pages, where + ulint* actual_increase,/*!< out: actual increase in pages, where we measure the tablespace size from what the header field says; it may be the actual file size rounded down to megabyte */ - ulint space, /* in: space */ - fsp_header_t* header, /* in: space header */ - mtr_t* mtr) /* in: mtr */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mtr */ { ulint size; ulint zip_size; @@ -1323,14 +1314,14 @@ static void fsp_fill_free_list( /*===============*/ - ibool init_space, /* in: TRUE if this is a single-table + ibool init_space, /*!< in: TRUE if this is a single-table tablespace and we are only initing the tablespace's first extent descriptor page and ibuf bitmap page; then we do not allocate more extents */ - ulint space, /* in: space */ - fsp_header_t* header, /* in: space header */ - mtr_t* mtr) /* in: mtr */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mtr */ { ulint limit; ulint size; @@ -1479,20 +1470,19 @@ fsp_fill_free_list( } /************************************************************************** -Allocates a new free extent. */ +Allocates a new free extent. +@return extent descriptor, NULL if cannot be allocated */ static xdes_t* fsp_alloc_free_extent( /*==================*/ - /* out: extent descriptor, NULL if cannot be - allocated */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint hint, /* in: hint of which extent would be desirable: any + ulint hint, /*!< in: hint of which extent would be desirable: any page offset in the extent goes; the hint must not be > FSP_FREE_LIMIT */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { fsp_header_t* header; fil_addr_t first; @@ -1530,18 +1520,17 @@ fsp_alloc_free_extent( } /************************************************************************** -Allocates a single free page from a space. The page is marked as used. */ +Allocates a single free page from a space. The page is marked as used. +@return the page offset, FIL_NULL if no page could be allocated */ static ulint fsp_alloc_free_page( /*================*/ - /* out: the page offset, FIL_NULL if no page could - be allocated */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint hint, /* in: hint of which page would be desirable */ - mtr_t* mtr) /* in: mtr handle */ + ulint hint, /*!< in: hint of which page would be desirable */ + mtr_t* mtr) /*!< in: mtr handle */ { fsp_header_t* header; fil_addr_t first; @@ -1677,11 +1666,11 @@ static void fsp_free_page( /*==========*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset */ - mtr_t* mtr) /* in: mtr handle */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ { fsp_header_t* header; xdes_t* descr; @@ -1767,11 +1756,11 @@ static void fsp_free_extent( /*============*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset in the extent */ - mtr_t* mtr) /* in: mtr */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr) /*!< in: mtr */ { fsp_header_t* header; xdes_t* descr; @@ -1796,18 +1785,18 @@ fsp_free_extent( } /************************************************************************** -Returns the nth inode slot on an inode page. */ +Returns the nth inode slot on an inode page. +@return segment inode */ UNIV_INLINE fseg_inode_t* fsp_seg_inode_page_get_nth_inode( /*=============================*/ - /* out: segment inode */ - page_t* page, /* in: segment inode page */ - ulint i, /* in: inode index on page */ + page_t* page, /*!< in: segment inode page */ + ulint i, /*!< in: inode index on page */ ulint zip_size __attribute__((unused)), - /* in: compressed page size, or 0 */ + /*!< in: compressed page size, or 0 */ mtr_t* mtr __attribute__((unused))) - /* in: mini-transaction handle */ + /*!< in: mini-transaction handle */ { ut_ad(i < FSP_SEG_INODES_PER_PAGE(zip_size)); ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); @@ -1816,16 +1805,15 @@ fsp_seg_inode_page_get_nth_inode( } /************************************************************************** -Looks for a used segment inode on a segment inode page. */ +Looks for a used segment inode on a segment inode page. +@return segment inode index, or ULINT_UNDEFINED if not found */ static ulint fsp_seg_inode_page_find_used( /*=========================*/ - /* out: segment inode index, or ULINT_UNDEFINED - if not found */ - page_t* page, /* in: segment inode page */ - ulint zip_size,/* in: compressed page size, or 0 */ - mtr_t* mtr) /* in: mini-transaction handle */ + page_t* page, /*!< in: segment inode page */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint i; fseg_inode_t* inode; @@ -1846,17 +1834,16 @@ fsp_seg_inode_page_find_used( } /************************************************************************** -Looks for an unused segment inode on a segment inode page. */ +Looks for an unused segment inode on a segment inode page. +@return segment inode index, or ULINT_UNDEFINED if not found */ static ulint fsp_seg_inode_page_find_free( /*=========================*/ - /* out: segment inode index, or ULINT_UNDEFINED - if not found */ - page_t* page, /* in: segment inode page */ - ulint i, /* in: search forward starting from this index */ - ulint zip_size,/* in: compressed page size, or 0 */ - mtr_t* mtr) /* in: mini-transaction handle */ + page_t* page, /*!< in: segment inode page */ + ulint i, /*!< in: search forward starting from this index */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fseg_inode_t* inode; @@ -1876,14 +1863,14 @@ fsp_seg_inode_page_find_free( } /************************************************************************** -Allocates a new file segment inode page. */ +Allocates a new file segment inode page. +@return TRUE if could be allocated */ static ibool fsp_alloc_seg_inode_page( /*=====================*/ - /* out: TRUE if could be allocated */ - fsp_header_t* space_header, /* in: space header */ - mtr_t* mtr) /* in: mini-transaction handle */ + fsp_header_t* space_header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fseg_inode_t* inode; buf_block_t* block; @@ -1930,15 +1917,14 @@ fsp_alloc_seg_inode_page( } /************************************************************************** -Allocates a new file segment inode. */ +Allocates a new file segment inode. +@return segment inode, or NULL if not enough space */ static fseg_inode_t* fsp_alloc_seg_inode( /*================*/ - /* out: segment inode, or NULL if - not enough space */ - fsp_header_t* space_header, /* in: space header */ - mtr_t* mtr) /* in: mini-transaction handle */ + fsp_header_t* space_header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint page_no; buf_block_t* block; @@ -1998,11 +1984,11 @@ static void fsp_free_seg_inode( /*===============*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr) /* in: mini-transaction handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { page_t* page; fsp_header_t* space_header; @@ -2041,17 +2027,17 @@ fsp_free_seg_inode( } /************************************************************************** -Returns the file segment inode, page x-latched. */ +Returns the file segment inode, page x-latched. +@return segment inode, page x-latched */ static fseg_inode_t* fseg_inode_get( /*===========*/ - /* out: segment inode, page x-latched */ - fseg_header_t* header, /* in: segment header */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_header_t* header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { fil_addr_t inode_addr; fseg_inode_t* inode; @@ -2068,15 +2054,15 @@ fseg_inode_get( } /************************************************************************** -Gets the page number from the nth fragment page slot. */ +Gets the page number from the nth fragment page slot. +@return page number, FIL_NULL if not in use */ UNIV_INLINE ulint fseg_get_nth_frag_page_no( /*======================*/ - /* out: page number, FIL_NULL if not in use */ - fseg_inode_t* inode, /* in: segment inode */ - ulint n, /* in: slot index */ - mtr_t* mtr __attribute__((unused))) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint n, /*!< in: slot index */ + mtr_t* mtr __attribute__((unused))) /*!< in: mtr handle */ { ut_ad(inode && mtr); ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); @@ -2091,10 +2077,10 @@ UNIV_INLINE void fseg_set_nth_frag_page_no( /*======================*/ - fseg_inode_t* inode, /* in: segment inode */ - ulint n, /* in: slot index */ - ulint page_no,/* in: page number to set */ - mtr_t* mtr) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint n, /*!< in: slot index */ + ulint page_no,/*!< in: page number to set */ + mtr_t* mtr) /*!< in: mtr handle */ { ut_ad(inode && mtr); ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); @@ -2105,15 +2091,14 @@ fseg_set_nth_frag_page_no( } /************************************************************************** -Finds a fragment page slot which is free. */ +Finds a fragment page slot which is free. +@return slot index; ULINT_UNDEFINED if none found */ static ulint fseg_find_free_frag_page_slot( /*==========================*/ - /* out: slot index; ULINT_UNDEFINED if none - found */ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint i; ulint page_no; @@ -2133,15 +2118,14 @@ fseg_find_free_frag_page_slot( } /************************************************************************** -Finds a fragment page slot which is used and last in the array. */ +Finds a fragment page slot which is used and last in the array. +@return slot index; ULINT_UNDEFINED if none found */ static ulint fseg_find_last_used_frag_page_slot( /*===============================*/ - /* out: slot index; ULINT_UNDEFINED if none - found */ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint i; ulint page_no; @@ -2162,14 +2146,14 @@ fseg_find_last_used_frag_page_slot( } /************************************************************************** -Calculates reserved fragment page slots. */ +Calculates reserved fragment page slots. +@return number of fragment pages */ static ulint fseg_get_n_frag_pages( /*==================*/ - /* out: number of fragment pages */ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint i; ulint count = 0; @@ -2186,28 +2170,26 @@ fseg_get_n_frag_pages( } /************************************************************************** -Creates a new segment. */ +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create_general( /*================*/ - /* out: the block where the segment header is placed, - x-latched, NULL if could not create segment - because of lack of space */ - ulint space, /* in: space id */ - ulint page, /* in: page where the segment header is placed: if + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if this is != 0, the page must belong to another segment, if this is 0, a new page will be allocated and it will belong to the created segment */ - ulint byte_offset, /* in: byte offset of the created segment header + ulint byte_offset, /*!< in: byte offset of the created segment header on the page */ - ibool has_done_reservation, /* in: TRUE if the caller has already + ibool has_done_reservation, /*!< in: TRUE if the caller has already done the reservation for the pages with fsp_reserve_free_extents (at least 2 extents: one for the inode and the other for the segment) then there is no need to do the check for this individual operation */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint flags; ulint zip_size; @@ -2321,37 +2303,35 @@ funct_exit: } /************************************************************************** -Creates a new segment. */ +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create( /*========*/ - /* out: the block where the segment header is placed, - x-latched, NULL if could not create segment - because of lack of space */ - ulint space, /* in: space id */ - ulint page, /* in: page where the segment header is placed: if + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if this is != 0, the page must belong to another segment, if this is 0, a new page will be allocated and it will belong to the created segment */ - ulint byte_offset, /* in: byte offset of the created segment header + ulint byte_offset, /*!< in: byte offset of the created segment header on the page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { return(fseg_create_general(space, page, byte_offset, FALSE, mtr)); } /************************************************************************** Calculates the number of pages reserved by a segment, and how many pages are -currently used. */ +currently used. +@return number of reserved pages */ static ulint fseg_n_reserved_pages_low( /*======================*/ - /* out: number of reserved pages */ - fseg_inode_t* inode, /* in: segment inode */ - ulint* used, /* out: number of pages used (<= reserved) */ - mtr_t* mtr) /* in: mtr handle */ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint ret; @@ -2372,15 +2352,15 @@ fseg_n_reserved_pages_low( /************************************************************************** Calculates the number of pages reserved by a segment, and how many pages are -currently used. */ +currently used. +@return number of reserved pages */ UNIV_INTERN ulint fseg_n_reserved_pages( /*==================*/ - /* out: number of reserved pages */ - fseg_header_t* header, /* in: segment header */ - ulint* used, /* out: number of pages used (<= reserved) */ - mtr_t* mtr) /* in: mtr handle */ + fseg_header_t* header, /*!< in: segment header */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint ret; fseg_inode_t* inode; @@ -2414,13 +2394,13 @@ static void fseg_fill_free_list( /*================*/ - fseg_inode_t* inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint hint, /* in: hint which extent would be good as + ulint hint, /*!< in: hint which extent would be good as the first extent */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { xdes_t* descr; ulint i; @@ -2472,19 +2452,17 @@ fseg_fill_free_list( /************************************************************************* Allocates a free extent for the segment: looks first in the free list of the segment, then tries to allocate from the space free list. NOTE that the extent -returned still resides in the segment free list, it is not yet taken off it! */ +returned still resides in the segment free list, it is not yet taken off it! +@return allocated extent, still placed in the segment free list, NULL if could not be allocated */ static xdes_t* fseg_alloc_free_extent( /*===================*/ - /* out: allocated extent, still placed in the - segment free list, NULL if could - not be allocated */ - fseg_inode_t* inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { xdes_t* descr; dulint seg_id; @@ -2525,24 +2503,23 @@ fseg_alloc_free_extent( /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space -fragmentation. */ +fragmentation. +@return the allocated page number, FIL_NULL if no page could be allocated */ static ulint fseg_alloc_free_page_low( /*=====================*/ - /* out: the allocated page number, FIL_NULL - if no page could be allocated */ - ulint space, /* in: space */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fseg_inode_t* seg_inode, /* in: segment inode */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction, /* in: if the new page is needed because + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { fsp_header_t* space_header; ulint space_size; @@ -2774,26 +2751,25 @@ fseg_alloc_free_page_low( /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space -fragmentation. */ +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ UNIV_INTERN ulint fseg_alloc_free_page_general( /*=========================*/ - /* out: allocated page offset, FIL_NULL if no - page could be allocated */ - fseg_header_t* seg_header,/* in: segment header */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction,/* in: if the new page is needed because + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - ibool has_done_reservation, /* in: TRUE if the caller has + ibool has_done_reservation, /*!< in: TRUE if the caller has already done the reservation for the page with fsp_reserve_free_extents, then there is no need to do the check for this individual page */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { fseg_inode_t* inode; ulint space; @@ -2846,21 +2822,20 @@ fseg_alloc_free_page_general( /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space -fragmentation. */ +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ UNIV_INTERN ulint fseg_alloc_free_page( /*=================*/ - /* out: allocated page offset, FIL_NULL if no - page could be allocated */ - fseg_header_t* seg_header,/* in: segment header */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction,/* in: if the new page is needed because + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - mtr_t* mtr) /* in: mtr handle */ + mtr_t* mtr) /*!< in: mtr handle */ { return(fseg_alloc_free_page_general(seg_header, hint, direction, FALSE, mtr)); @@ -2871,19 +2846,18 @@ Checks that we have at least 2 frag pages free in the first extent of a single-table tablespace, and they are also physically initialized to the data file. That is we have already extended the data file so that those pages are inside the data file. If not, this function extends the tablespace with -pages. */ +pages. +@return TRUE if there were >= 3 free pages, or we were able to extend */ static ibool fsp_reserve_free_pages( /*===================*/ - /* out: TRUE if there were >= 3 free - pages, or we were able to extend */ - ulint space, /* in: space id, must be != 0 */ - fsp_header_t* space_header, /* in: header of that space, + ulint space, /*!< in: space id, must be != 0 */ + fsp_header_t* space_header, /*!< in: header of that space, x-latched */ - ulint size, /* in: size of the tablespace in pages, + ulint size, /*!< in: size of the tablespace in pages, must be < FSP_EXTENT_SIZE / 2 */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { xdes_t* descr; ulint n_used; @@ -2930,19 +2904,19 @@ Single-table tablespaces whose size is < 32 pages are a special case. In this function we would liberally reserve several 64 page extents for every page split or merge in a B-tree. But we do not want to waste disk space if the table only occupies < 32 pages. That is why we apply different rules in that special -case, just ensuring that there are 3 free pages available. */ +case, just ensuring that there are 3 free pages available. +@return TRUE if we were able to make the reservation */ UNIV_INTERN ibool fsp_reserve_free_extents( /*=====================*/ - /* out: TRUE if we were able to make the reservation */ - ulint* n_reserved,/* out: number of extents actually reserved; if we + ulint* n_reserved,/*!< out: number of extents actually reserved; if we return TRUE and the tablespace size is < 64 pages, then this can be 0, otherwise it is n_ext */ - ulint space, /* in: space id */ - ulint n_ext, /* in: number of extents to reserve */ - ulint alloc_type,/* in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ - mtr_t* mtr) /* in: mtr */ + ulint space, /*!< in: space id */ + ulint n_ext, /*!< in: number of extents to reserve */ + ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ + mtr_t* mtr) /*!< in: mtr */ { fsp_header_t* space_header; rw_lock_t* latch; @@ -3046,13 +3020,13 @@ try_to_extend: This function should be used to get information on how much we still will be able to insert new data to the database without running out the tablespace. Only free extents are taken into account and we also subtract -the safety margin required by the above function fsp_reserve_free_extents. */ +the safety margin required by the above function fsp_reserve_free_extents. +@return available space in kB */ UNIV_INTERN ullint fsp_get_available_space_in_free_extents( /*====================================*/ - /* out: available space in kB */ - ulint space) /* in: space id */ + ulint space) /*!< in: space id */ { fsp_header_t* space_header; ulint n_free_list_ext; @@ -3140,12 +3114,12 @@ static void fseg_mark_page_used( /*================*/ - fseg_inode_t* seg_inode,/* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* seg_inode,/*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset */ - mtr_t* mtr) /* in: mtr */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr */ { xdes_t* descr; ulint not_full_n_used; @@ -3197,12 +3171,12 @@ static void fseg_free_page_low( /*===============*/ - fseg_inode_t* seg_inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: page offset */ - mtr_t* mtr) /* in: mtr handle */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ { xdes_t* descr; ulint not_full_n_used; @@ -3336,10 +3310,10 @@ UNIV_INTERN void fseg_free_page( /*===========*/ - fseg_header_t* seg_header, /* in: segment header */ - ulint space, /* in: space id */ - ulint page, /* in: page offset */ - mtr_t* mtr) /* in: mtr handle */ + fseg_header_t* seg_header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint flags; ulint zip_size; @@ -3369,12 +3343,12 @@ static void fseg_free_extent( /*=============*/ - fseg_inode_t* seg_inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page, /* in: a page in the extent */ - mtr_t* mtr) /* in: mtr handle */ + ulint page, /*!< in: a page in the extent */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint first_page_in_extent; xdes_t* descr; @@ -3438,17 +3412,17 @@ fseg_free_extent( Frees part of a segment. This function can be used to free a segment by repeatedly calling this function in different mini-transactions. Doing the freeing in a single mini-transaction might result in too big a -mini-transaction. */ +mini-transaction. +@return TRUE if freeing completed */ UNIV_INTERN ibool fseg_free_step( /*===========*/ - /* out: TRUE if freeing completed */ - fseg_header_t* header, /* in, own: segment header; NOTE: if the header + fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header resides on the first page of the frag list of the segment, this pointer becomes obsolete after the last freeing step */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint n; ulint page; @@ -3519,16 +3493,15 @@ fseg_free_step( /************************************************************************** Frees part of a segment. Differs from fseg_free_step because this function -leaves the header page unfreed. */ +leaves the header page unfreed. +@return TRUE if freeing completed, except the header page */ UNIV_INTERN ibool fseg_free_step_not_header( /*======================*/ - /* out: TRUE if freeing completed, except the - header page */ - fseg_header_t* header, /* in: segment header which must reside on + fseg_header_t* header, /*!< in: segment header which must reside on the first fragment page of the segment */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint n; ulint page; @@ -3590,12 +3563,12 @@ UNIV_INTERN void fseg_free( /*======*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no,/* in: page number where the segment header is + ulint page_no,/*!< in: page number where the segment header is placed */ - ulint offset) /* in: byte offset of the segment header on that + ulint offset) /*!< in: byte offset of the segment header on that page */ { mtr_t mtr; @@ -3625,18 +3598,17 @@ fseg_free( /************************************************************************** Returns the first extent descriptor for a segment. We think of the extent lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL --> FSEG_FREE. */ +-> FSEG_FREE. +@return the first extent descriptor, or NULL if none */ static xdes_t* fseg_get_first_extent( /*==================*/ - /* out: the first extent descriptor, or NULL if - none */ - fseg_inode_t* inode, /* in: segment inode */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { fil_addr_t first; xdes_t* descr; @@ -3670,14 +3642,14 @@ fseg_get_first_extent( } /*********************************************************************** -Validates a segment. */ +Validates a segment. +@return TRUE if ok */ static ibool fseg_validate_low( /*==============*/ - /* out: TRUE if ok */ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr2) /* in: mtr */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr2) /*!< in: mtr */ { ulint space; dulint seg_id; @@ -3779,14 +3751,14 @@ fseg_validate_low( } /*********************************************************************** -Validates a segment. */ +Validates a segment. +@return TRUE if ok */ UNIV_INTERN ibool fseg_validate( /*==========*/ - /* out: TRUE if ok */ - fseg_header_t* header, /* in: segment header */ - mtr_t* mtr) /* in: mtr */ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr) /*!< in: mtr */ { fseg_inode_t* inode; ibool ret; @@ -3812,8 +3784,8 @@ static void fseg_print_low( /*===========*/ - fseg_inode_t* inode, /* in: segment inode */ - mtr_t* mtr) /* in: mtr */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr */ { ulint space; ulint seg_id_low; @@ -3865,8 +3837,8 @@ UNIV_INTERN void fseg_print( /*=======*/ - fseg_header_t* header, /* in: segment header */ - mtr_t* mtr) /* in: mtr */ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr) /*!< in: mtr */ { fseg_inode_t* inode; ulint space; @@ -3885,13 +3857,13 @@ fseg_print( #endif /* UNIV_BTR_PRINT */ /*********************************************************************** -Validates the file space system and its segments. */ +Validates the file space system and its segments. +@return TRUE if ok */ UNIV_INTERN ibool fsp_validate( /*=========*/ - /* out: TRUE if ok */ - ulint space) /* in: space id */ + ulint space) /*!< in: space id */ { fsp_header_t* header; fseg_inode_t* seg_inode; @@ -4145,7 +4117,7 @@ UNIV_INTERN void fsp_print( /*======*/ - ulint space) /* in: space id */ + ulint space) /*!< in: space id */ { fsp_header_t* header; fseg_inode_t* seg_inode; diff --git a/fut/fut0lst.c b/fut/fut0lst.c index bea27ab70d1..23917713c3e 100644 --- a/fut/fut0lst.c +++ b/fut/fut0lst.c @@ -37,10 +37,10 @@ static void flst_add_to_empty( /*==============*/ - flst_base_node_t* base, /* in: pointer to base node of + flst_base_node_t* base, /*!< in: pointer to base node of empty list */ - flst_node_t* node, /* in: node to add */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; fil_addr_t node_addr; @@ -73,9 +73,9 @@ UNIV_INTERN void flst_add_last( /*==========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node, /* in: node to add */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; fil_addr_t node_addr; @@ -116,9 +116,9 @@ UNIV_INTERN void flst_add_first( /*===========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node, /* in: node to add */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; fil_addr_t node_addr; @@ -159,10 +159,10 @@ UNIV_INTERN void flst_insert_after( /*==============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node1, /* in: node to insert after */ - flst_node_t* node2, /* in: node to add */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node1, /*!< in: node to insert after */ + flst_node_t* node2, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; fil_addr_t node1_addr; @@ -214,10 +214,10 @@ UNIV_INTERN void flst_insert_before( /*===============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: node to insert */ - flst_node_t* node3, /* in: node to insert before */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to insert */ + flst_node_t* node3, /*!< in: node to insert before */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; flst_node_t* node1; @@ -268,9 +268,9 @@ UNIV_INTERN void flst_remove( /*========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: node to remove */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to remove */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; ulint zip_size; @@ -345,11 +345,11 @@ UNIV_INTERN void flst_cut_end( /*=========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: first node to remove */ - ulint n_nodes,/* in: number of nodes to remove, + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node to remove */ + ulint n_nodes,/*!< in: number of nodes to remove, must be >= 1 */ - mtr_t* mtr) /* in: mini-transaction handle */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint space; flst_node_t* node1; @@ -402,10 +402,10 @@ UNIV_INTERN void flst_truncate_end( /*==============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: first node not to remove */ - ulint n_nodes,/* in: number of nodes to remove */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node not to remove */ + ulint n_nodes,/*!< in: number of nodes to remove */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fil_addr_t node2_addr; ulint len; @@ -436,14 +436,14 @@ flst_truncate_end( } /************************************************************************ -Validates a file-based list. */ +Validates a file-based list. +@return TRUE if ok */ UNIV_INTERN ibool flst_validate( /*==========*/ - /* out: TRUE if ok */ - const flst_base_node_t* base, /* in: pointer to base node of list */ - mtr_t* mtr1) /* in: mtr */ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr1) /*!< in: mtr */ { ulint space; ulint zip_size; @@ -508,8 +508,8 @@ UNIV_INTERN void flst_print( /*=======*/ - const flst_base_node_t* base, /* in: pointer to base node of list */ - mtr_t* mtr) /* in: mtr */ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr) /*!< in: mtr */ { const buf_frame_t* frame; ulint len; diff --git a/ha/ha0ha.c b/ha/ha0ha.c index fde7b9a6f54..c477d0d3999 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -37,18 +37,18 @@ Created 8/22/1994 Heikki Tuuri /***************************************************************** Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. */ +chosen to be a prime number slightly bigger than n. +@return own: created table */ UNIV_INTERN hash_table_t* ha_create_func( /*===========*/ - /* out, own: created table */ - ulint n, /* in: number of array cells */ + ulint n, /*!< in: number of array cells */ #ifdef UNIV_SYNC_DEBUG - ulint mutex_level, /* in: level of the mutexes in the latching + ulint mutex_level, /*!< in: level of the mutexes in the latching order: this is used in the debug version */ #endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes) /* in: number of mutexes to protect the + ulint n_mutexes) /*!< in: number of mutexes to protect the hash table: must be a power of 2, or 0 */ { hash_table_t* table; @@ -94,7 +94,7 @@ UNIV_INTERN void ha_clear( /*=====*/ - hash_table_t* table) /* in, own: hash table */ + hash_table_t* table) /*!< in, own: hash table */ { ulint i; ulint n; @@ -123,22 +123,21 @@ ha_clear( /***************************************************************** Inserts an entry into a hash table. If an entry with the same fold number is found, its node is updated to point to the new data, and no new node -is inserted. */ +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated */ UNIV_INTERN ibool ha_insert_for_fold_func( /*====================*/ - /* out: TRUE if succeed, FALSE if no more - memory could be allocated */ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of data; if a node with + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data; if a node with the same fold value already exists, it is updated to point to the same data, and no new node is created! */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /* in: buffer block containing the data */ + buf_block_t* block, /*!< in: buffer block containing the data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data) /* in: data, must not be NULL */ + void* data) /*!< in: data, must not be NULL */ { hash_cell_t* cell; ha_node_t* node; @@ -233,8 +232,8 @@ UNIV_INTERN void ha_delete_hash_node( /*================*/ - hash_table_t* table, /* in: hash table */ - ha_node_t* del_node) /* in: node to be deleted */ + hash_table_t* table, /*!< in: hash table */ + ha_node_t* del_node) /*!< in: node to be deleted */ { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # ifndef UNIV_HOTBACKUP @@ -255,9 +254,9 @@ UNIV_INTERN void ha_delete( /*======*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of data */ - void* data) /* in: data, must not be NULL and must exist + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data */ + void* data) /*!< in: data, must not be NULL and must exist in the hash table */ { ha_node_t* node; @@ -278,13 +277,13 @@ UNIV_INTERN void ha_search_and_update_if_found_func( /*===============================*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of the searched data */ - void* data, /* in: pointer to the data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data, /*!< in: pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* new_block,/* in: block containing new_data */ + buf_block_t* new_block,/*!< in: block containing new_data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* new_data)/* in: new pointer to the data */ + void* new_data)/*!< in: new pointer to the data */ { ha_node_t* node; @@ -319,9 +318,9 @@ UNIV_INTERN void ha_remove_all_nodes_to_page( /*========================*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: fold value */ - const page_t* page) /* in: buffer page */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: fold value */ + const page_t* page) /*!< in: buffer page */ { ha_node_t* node; @@ -359,15 +358,15 @@ ha_remove_all_nodes_to_page( } /***************************************************************** -Validates a given range of the cells in hash table. */ +Validates a given range of the cells in hash table. +@return TRUE if ok */ UNIV_INTERN ibool ha_validate( /*========*/ - /* out: TRUE if ok */ - hash_table_t* table, /* in: hash table */ - ulint start_index, /* in: start index */ - ulint end_index) /* in: end index */ + hash_table_t* table, /*!< in: hash table */ + ulint start_index, /*!< in: start index */ + ulint end_index) /*!< in: end index */ { hash_cell_t* cell; ha_node_t* node; @@ -409,8 +408,8 @@ UNIV_INTERN void ha_print_info( /*==========*/ - FILE* file, /* in: file where to print */ - hash_table_t* table) /* in: hash table */ + FILE* file, /*!< in: file where to print */ + hash_table_t* table) /*!< in: hash table */ { #ifdef UNIV_DEBUG /* Some of the code here is disabled for performance reasons in production diff --git a/ha/ha0storage.c b/ha/ha0storage.c index e7e09591193..431dbd164fc 100644 --- a/ha/ha0storage.c +++ b/ha/ha0storage.c @@ -41,9 +41,9 @@ static const void* ha_storage_get( /*===========*/ - ha_storage_t* storage, /* in: hash storage */ - const void* data, /* in: data to check for */ - ulint data_len) /* in: data length */ + ha_storage_t* storage, /*!< in: hash storage */ + const void* data, /*!< in: data to check for */ + ulint data_len) /*!< in: data length */ { ha_storage_node_t* node; ulint fold; @@ -86,10 +86,10 @@ UNIV_INTERN const void* ha_storage_put_memlim( /*==================*/ - ha_storage_t* storage, /* in/out: hash storage */ - const void* data, /* in: data to store */ - ulint data_len, /* in: data length */ - ulint memlim) /* in: memory limit to obey */ + ha_storage_t* storage, /*!< in/out: hash storage */ + const void* data, /*!< in: data to store */ + ulint data_len, /*!< in: data length */ + ulint memlim) /*!< in: memory limit to obey */ { void* raw; ha_storage_node_t* node; diff --git a/ha/hash0hash.c b/ha/hash0hash.c index bca2b4f9218..b94239eb613 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -36,8 +36,8 @@ UNIV_INTERN void hash_mutex_enter( /*=============*/ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ { mutex_enter(hash_get_mutex(table, fold)); } @@ -48,8 +48,8 @@ UNIV_INTERN void hash_mutex_exit( /*============*/ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ { mutex_exit(hash_get_mutex(table, fold)); } @@ -60,7 +60,7 @@ UNIV_INTERN void hash_mutex_enter_all( /*=================*/ - hash_table_t* table) /* in: hash table */ + hash_table_t* table) /*!< in: hash table */ { ulint i; @@ -76,7 +76,7 @@ UNIV_INTERN void hash_mutex_exit_all( /*================*/ - hash_table_t* table) /* in: hash table */ + hash_table_t* table) /*!< in: hash table */ { ulint i; @@ -89,13 +89,13 @@ hash_mutex_exit_all( /***************************************************************** Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. */ +chosen to be a prime number slightly bigger than n. +@return own: created table */ UNIV_INTERN hash_table_t* hash_create( /*========*/ - /* out, own: created table */ - ulint n) /* in: number of array cells */ + ulint n) /*!< in: number of array cells */ { hash_cell_t* array; ulint prime; @@ -132,7 +132,7 @@ UNIV_INTERN void hash_table_free( /*============*/ - hash_table_t* table) /* in, own: hash table */ + hash_table_t* table) /*!< in, own: hash table */ { #ifndef UNIV_HOTBACKUP ut_a(table->mutexes == NULL); @@ -149,12 +149,12 @@ UNIV_INTERN void hash_create_mutexes_func( /*=====================*/ - hash_table_t* table, /* in: hash table */ + hash_table_t* table, /*!< in: hash table */ #ifdef UNIV_SYNC_DEBUG - ulint sync_level, /* in: latching order level of the + ulint sync_level, /*!< in: latching order level of the mutexes: used in the debug version */ #endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes) /* in: number of mutexes, must be a + ulint n_mutexes) /*!< in: number of mutexes, must be a power of 2 */ { ulint i; diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 1c3f09a1ee4..bd8f7e40b0f 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -203,34 +203,32 @@ static handler *innobase_create_handler(handlerton *hton, MEM_ROOT *mem_root); /**************************************************************** -Validate the file format name and return its corresponding id. */ +Validate the file format name and return its corresponding id. +@return valid file format id */ static uint innobase_file_format_name_lookup( /*=============================*/ - /* out: valid file format id */ - const char* format_name); /* in: pointer to file format + const char* format_name); /*!< in: pointer to file format name */ /**************************************************************** Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. */ +sets the srv_check_file_format_at_startup variable. +@return true if one of "on" or "off" */ static bool innobase_file_format_check_on_off( /*==============================*/ - /* out: true if one of - "on" or "off" */ - const char* format_check); /* in: parameter value */ + const char* format_check); /*!< in: parameter value */ /**************************************************************** Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. */ +sets the srv_check_file_format_at_startup variable. +@return true if valid config value */ static bool innobase_file_format_check_validate( /*================================*/ - /* out: true if valid - config value */ - const char* format_check); /* in: parameter value */ + const char* format_check); /*!< in: parameter value */ /******************************************************************** Return alter table flags supported in an InnoDB database. */ static @@ -242,19 +240,18 @@ innobase_alter_table_flags( static const char innobase_hton_name[]= "InnoDB"; /***************************************************************** -Check for a valid value of innobase_commit_concurrency. */ +Check for a valid value of innobase_commit_concurrency. +@return 0 for valid innodb_commit_concurrency */ static int innobase_commit_concurrency_validate( /*=================================*/ - /* out: 0 for valid - innodb_commit_concurrency */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* save, /* out: immediate result + void* save, /*!< out: immediate result for update function */ - struct st_mysql_value* value) /* in: incoming string */ + struct st_mysql_value* value) /*!< in: incoming string */ { long long intbuf; ulong commit_concurrency; @@ -301,60 +298,59 @@ static handler *innobase_create_handler(handlerton *hton, } /*********************************************************************** -This function is used to prepare X/Open XA distributed transaction */ +This function is used to prepare X/Open XA distributed transaction +@return 0 or error number */ static int innobase_xa_prepare( /*================*/ - /* out: 0 or error number */ handlerton* hton, - THD* thd, /* in: handle to the MySQL thread of the user + THD* thd, /*!< in: handle to the MySQL thread of the user whose XA transaction should be prepared */ - bool all); /* in: TRUE - commit transaction + bool all); /*!< in: TRUE - commit transaction FALSE - the current SQL statement ended */ /*********************************************************************** -This function is used to recover X/Open XA distributed transactions */ +This function is used to recover X/Open XA distributed transactions +@return number of prepared transactions stored in xid_list */ static int innobase_xa_recover( /*================*/ - /* out: number of prepared transactions - stored in xid_list */ handlerton* hton, - XID* xid_list, /* in/out: prepared transactions */ - uint len); /* in: number of slots in xid_list */ + XID* xid_list, /*!< in/out: prepared transactions */ + uint len); /*!< in: number of slots in xid_list */ /*********************************************************************** This function is used to commit one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return 0 or error number */ static int innobase_commit_by_xid( /*===================*/ - /* out: 0 or error number */ handlerton* hton, - XID* xid); /* in: X/Open XA transaction identification */ + XID* xid); /*!< in: X/Open XA transaction identification */ /*********************************************************************** This function is used to rollback one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return 0 or error number */ static int innobase_rollback_by_xid( /*=====================*/ - /* out: 0 or error number */ handlerton* hton, - XID *xid); /* in: X/Open XA transaction identification */ + XID *xid); /*!< in: X/Open XA transaction identification */ /*********************************************************************** Create a consistent view for a cursor based on current transaction which is created if the corresponding MySQL thread still lacks one. This consistent view is then used inside of MySQL when accessing records -using a cursor. */ +using a cursor. +@return pointer to cursor view or NULL */ static void* innobase_create_cursor_view( /*========================*/ - /* out: pointer to cursor view or NULL */ - handlerton* hton, /* in: innobase hton */ - THD* thd); /* in: user thread handle */ + handlerton* hton, /*!< in: innobase hton */ + THD* thd); /*!< in: user thread handle */ /*********************************************************************** Set the given consistent cursor view to a transaction which is created if the corresponding MySQL thread still lacks one. If the given @@ -365,8 +361,8 @@ void innobase_set_cursor_view( /*=====================*/ handlerton* hton, - THD* thd, /* in: user thread handle */ - void* curview);/* in: Consistent cursor view to be set */ + THD* thd, /*!< in: user thread handle */ + void* curview);/*!< in: Consistent cursor view to be set */ /*********************************************************************** Close the given consistent cursor view of a transaction and restore global read view to a transaction read view. Transaction is created if the @@ -376,16 +372,16 @@ void innobase_close_cursor_view( /*=======================*/ handlerton* hton, - THD* thd, /* in: user thread handle */ - void* curview);/* in: Consistent read view to be closed */ + THD* thd, /*!< in: user thread handle */ + void* curview);/*!< in: Consistent read view to be closed */ /********************************************************************* Removes all tables in the named database inside InnoDB. */ static void innobase_drop_database( /*===================*/ - handlerton* hton, /* in: handlerton of Innodb */ - char* path); /* in: database path; inside InnoDB the name + handlerton* hton, /*!< in: handlerton of Innodb */ + char* path); /*!< in: database path; inside InnoDB the name of the last directory in the path is used as the database name: for example, in 'mysql/data/test' the database name is 'test' */ @@ -399,24 +395,24 @@ innobase_end(handlerton *hton, ha_panic_function type); Creates an InnoDB transaction struct for the thd if it does not yet have one. Starts a new InnoDB transaction if a transaction is not yet started. And assigns a new snapshot for a consistent read if the transaction does not yet -have one. */ +have one. +@return 0 */ static int innobase_start_trx_and_assign_read_view( /*====================================*/ - /* out: 0 */ - handlerton* hton, /* in: Innodb handlerton */ - THD* thd); /* in: MySQL thread handle of the user for whom + handlerton* hton, /*!< in: Innodb handlerton */ + THD* thd); /*!< in: MySQL thread handle of the user for whom the transaction should be committed */ /******************************************************************** Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes -the logs, and the name of this function should be innobase_checkpoint. */ +the logs, and the name of this function should be innobase_checkpoint. +@return TRUE if error */ static bool innobase_flush_logs( /*================*/ - /* out: TRUE if error */ - handlerton* hton); /* in: InnoDB handlerton */ + handlerton* hton); /*!< in: InnoDB handlerton */ /**************************************************************************** Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB @@ -425,8 +421,8 @@ static bool innodb_show_status( /*===============*/ - handlerton* hton, /* in: the innodb handlerton */ - THD* thd, /* in: the MySQL query thread of the caller */ + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the caller */ stat_print_fn *stat_print); static bool innobase_show_status(handlerton *hton, THD* thd, @@ -439,7 +435,7 @@ static void innobase_commit_low( /*================*/ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ static SHOW_VAR innodb_status_variables[]= { {"buffer_pool_pages_data", @@ -542,13 +538,13 @@ Returns true if the thread is the replication thread on the slave server. Used in srv_conc_enter_innodb() to determine if the thread should be allowed to enter InnoDB - the replication thread is treated differently than other threads. Also used in -srv_conc_force_exit_innodb(). */ +srv_conc_force_exit_innodb(). +@return true if thd is the replication thread */ extern "C" UNIV_INTERN ibool thd_is_replication_slave_thread( /*============================*/ - /* out: true if thd is the replication thread */ - void* thd) /* in: thread handle (THD*) */ + void* thd) /*!< in: thread handle (THD*) */ { return((ibool) thd_slave_thread((THD*) thd)); } @@ -560,7 +556,7 @@ static inline void innodb_srv_conc_enter_innodb( /*=========================*/ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { if (UNIV_LIKELY(!srv_thread_concurrency)) { @@ -577,7 +573,7 @@ static inline void innodb_srv_conc_exit_innodb( /*========================*/ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { if (UNIV_LIKELY(!trx->declared_to_be_inside_innodb)) { @@ -596,7 +592,7 @@ static inline void innobase_release_stat_resources( /*============================*/ - trx_t* trx) /* in: transaction object */ + trx_t* trx) /*!< in: transaction object */ { if (trx->has_search_latch) { trx_search_latch_release_if_reserved(trx); @@ -613,52 +609,51 @@ innobase_release_stat_resources( Returns true if the transaction this thread is processing has edited non-transactional tables. Used by the deadlock detector when deciding which transaction to rollback in case of a deadlock - we try to avoid -rolling back transactions that have edited non-transactional tables. */ +rolling back transactions that have edited non-transactional tables. +@return true if non-transactional tables have been edited */ extern "C" UNIV_INTERN ibool thd_has_edited_nontrans_tables( /*===========================*/ - /* out: true if non-transactional tables have - been edited */ - void* thd) /* in: thread handle (THD*) */ + void* thd) /*!< in: thread handle (THD*) */ { return((ibool) thd_non_transactional_update((THD*) thd)); } /********************************************************************** -Returns true if the thread is executing a SELECT statement. */ +Returns true if the thread is executing a SELECT statement. +@return true if thd is executing SELECT */ extern "C" UNIV_INTERN ibool thd_is_select( /*==========*/ - /* out: true if thd is executing SELECT */ - const void* thd) /* in: thread handle (THD*) */ + const void* thd) /*!< in: thread handle (THD*) */ { return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); } /********************************************************************** Returns true if the thread supports XA, -global value of innodb_supports_xa if thd is NULL. */ +global value of innodb_supports_xa if thd is NULL. +@return true if thd has XA support */ extern "C" UNIV_INTERN ibool thd_supports_xa( /*============*/ - /* out: true if thd has XA support */ - void* thd) /* in: thread handle (THD*), or NULL to query + void* thd) /*!< in: thread handle (THD*), or NULL to query the global innodb_supports_xa */ { return(THDVAR((THD*) thd, support_xa)); } /********************************************************************** -Returns the lock wait timeout for the current connection. */ +Returns the lock wait timeout for the current connection. +@return the lock wait timeout, in seconds */ extern "C" UNIV_INTERN ulong thd_lock_wait_timeout( /*==================*/ - /* out: the lock wait timeout, in seconds */ - void* thd) /* in: thread handle (THD*), or NULL to query + void* thd) /*!< in: thread handle (THD*), or NULL to query the global innodb_lock_wait_timeout */ { /* According to , passing thd == NULL @@ -667,13 +662,13 @@ thd_lock_wait_timeout( } /************************************************************************ -Obtain the InnoDB transaction of a MySQL thread. */ +Obtain the InnoDB transaction of a MySQL thread. +@return reference to transaction pointer */ static inline trx_t*& thd_to_trx( /*=======*/ - /* out: reference to transaction pointer */ - THD* thd) /* in: MySQL thread */ + THD* thd) /*!< in: MySQL thread */ { return(*(trx_t**) thd_ha_data(thd, innodb_hton_ptr)); } @@ -681,14 +676,14 @@ thd_to_trx( /************************************************************************ Call this function when mysqld passes control to the client. That is to avoid deadlocks on the adaptive hash S-latch possibly held by thd. For more -documentation, see handler.cc. */ +documentation, see handler.cc. +@return 0 */ static int innobase_release_temporary_latches( /*===============================*/ - /* out: 0 */ - handlerton* hton, /* in: handlerton */ - THD* thd) /* in: MySQL thread */ + handlerton* hton, /*!< in: handlerton */ + THD* thd) /*!< in: MySQL thread */ { trx_t* trx; @@ -727,15 +722,15 @@ innobase_active_small(void) /************************************************************************ Converts an InnoDB error code to a MySQL error code and also tells to MySQL about a possible transaction rollback inside InnoDB caused by a lock wait -timeout or a deadlock. */ +timeout or a deadlock. +@return MySQL error code */ extern "C" UNIV_INTERN int convert_error_code_to_mysql( /*========================*/ - /* out: MySQL error code */ - int error, /* in: InnoDB error code */ - ulint flags, /* in: InnoDB table flags, or 0 */ - THD* thd) /* in: user thread handle or NULL */ + int error, /*!< in: InnoDB error code */ + ulint flags, /*!< in: InnoDB table flags, or 0 */ + THD* thd) /*!< in: user thread handle or NULL */ { switch (error) { case DB_SUCCESS: @@ -884,9 +879,9 @@ extern "C" UNIV_INTERN void innobase_mysql_print_thd( /*=====================*/ - FILE* f, /* in: output stream */ - void* thd, /* in: pointer to a MySQL THD object */ - uint max_query_len) /* in: max query length to print, or 0 to + FILE* f, /*!< in: output stream */ + void* thd, /*!< in: pointer to a MySQL THD object */ + uint max_query_len) /*!< in: max query length to print, or 0 to use the default max length */ { char buffer[1024]; @@ -902,9 +897,9 @@ extern "C" UNIV_INTERN void innobase_get_cset_width( /*====================*/ - ulint cset, /* in: MySQL charset-collation code */ - ulint* mbminlen, /* out: minimum length of a char (in bytes) */ - ulint* mbmaxlen) /* out: maximum length of a char (in bytes) */ + ulint cset, /*!< in: MySQL charset-collation code */ + ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ + ulint* mbmaxlen) /*!< out: maximum length of a char (in bytes) */ { CHARSET_INFO* cs; ut_ad(cset < 256); @@ -927,10 +922,10 @@ extern "C" UNIV_INTERN void innobase_convert_from_table_id( /*===========================*/ - struct charset_info_st* cs, /* in: the 'from' character set */ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len) /* in: length of 'to', in bytes */ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len) /*!< in: length of 'to', in bytes */ { uint errors; @@ -943,10 +938,10 @@ extern "C" UNIV_INTERN void innobase_convert_from_id( /*=====================*/ - struct charset_info_st* cs, /* in: the 'from' character set */ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len) /* in: length of 'to', in bytes */ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len) /*!< in: length of 'to', in bytes */ { uint errors; @@ -954,14 +949,14 @@ innobase_convert_from_id( } /********************************************************************** -Compares NUL-terminated UTF-8 strings case insensitively. */ +Compares NUL-terminated UTF-8 strings case insensitively. +@return 0 if a=b, <0 if a1 if a>b */ extern "C" UNIV_INTERN int innobase_strcasecmp( /*================*/ - /* out: 0 if a=b, <0 if a1 if a>b */ - const char* a, /* in: first string to compare */ - const char* b) /* in: second string to compare */ + const char* a, /*!< in: first string to compare */ + const char* b) /*!< in: second string to compare */ { return(my_strcasecmp(system_charset_info, a, b)); } @@ -972,19 +967,19 @@ extern "C" UNIV_INTERN void innobase_casedn_str( /*================*/ - char* a) /* in/out: string to put in lower case */ + char* a) /*!< in/out: string to put in lower case */ { my_casedn_str(system_charset_info, a); } /************************************************************************** -Determines the connection character set. */ +Determines the connection character set. +@return connection character set */ extern "C" UNIV_INTERN struct charset_info_st* innobase_get_charset( /*=================*/ - /* out: connection character set */ - void* mysql_thd) /* in: MySQL thread handle */ + void* mysql_thd) /*!< in: MySQL thread handle */ { return(thd_charset((THD*) mysql_thd)); } @@ -996,15 +991,15 @@ _doserrno and the mapped value is stored in errno) */ extern "C" void __cdecl _dosmaperr( - unsigned long); /* in: OS error value */ + unsigned long); /*!< in: OS error value */ /************************************************************************* -Creates a temporary file. */ +Creates a temporary file. +@return temporary file descriptor, or < 0 on error */ extern "C" UNIV_INTERN int innobase_mysql_tmpfile(void) /*========================*/ - /* out: temporary file descriptor, or < 0 on error */ { int fd; /* handle of opened file */ HANDLE osfh; /* OS handle of opened file */ @@ -1083,12 +1078,12 @@ innobase_mysql_tmpfile(void) } #else /************************************************************************* -Creates a temporary file. */ +Creates a temporary file. +@return temporary file descriptor, or < 0 on error */ extern "C" UNIV_INTERN int innobase_mysql_tmpfile(void) /*========================*/ - /* out: temporary file descriptor, or < 0 on error */ { int fd2 = -1; File fd = mysql_tmpfile("ib"); @@ -1116,21 +1111,20 @@ innobase_mysql_tmpfile(void) #endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ /************************************************************************* -Wrapper around MySQL's copy_and_convert function. */ +Wrapper around MySQL's copy_and_convert function. +@return number of bytes copied to 'to' */ extern "C" UNIV_INTERN ulint innobase_convert_string( /*====================*/ - /* out: number of bytes copied - to 'to' */ - void* to, /* out: converted string */ - ulint to_length, /* in: number of bytes reserved + void* to, /*!< out: converted string */ + ulint to_length, /*!< in: number of bytes reserved for the converted string */ - CHARSET_INFO* to_cs, /* in: character set to convert to */ - const void* from, /* in: string to convert */ - ulint from_length, /* in: number of bytes to convert */ - CHARSET_INFO* from_cs, /* in: character set to convert from */ - uint* errors) /* out: number of errors encountered + CHARSET_INFO* to_cs, /*!< in: character set to convert to */ + const void* from, /*!< in: string to convert */ + ulint from_length, /*!< in: number of bytes to convert */ + CHARSET_INFO* from_cs, /*!< in: character set to convert from */ + uint* errors) /*!< out: number of errors encountered during the conversion */ { return(copy_and_convert((char*)to, (uint32) to_length, to_cs, @@ -1145,19 +1139,18 @@ the result to "buf". The result is converted to "system_charset_info". Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ extern "C" UNIV_INTERN ulint innobase_raw_format( /*================*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - ulint charset_coll, /* in: charset collation */ - char* buf, /* out: output buffer */ - ulint buf_size) /* in: output buffer size + ulint charset_coll, /*!< in: charset collation */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size in bytes */ { /* XXX we use a hard limit instead of allocating @@ -1193,16 +1186,16 @@ values we want to reserve for multi-value inserts e.g., innobase_next_autoinc() will be called with increment set to n * 3 where autoinc_lock_mode != TRADITIONAL because we want -to reserve 3 values for the multi-value INSERT above. */ +to reserve 3 values for the multi-value INSERT above. +@return the next value */ static ulonglong innobase_next_autoinc( /*==================*/ - /* out: the next value */ - ulonglong current, /* in: Current value */ - ulonglong increment, /* in: increment current by */ - ulonglong offset, /* in: AUTOINC offset */ - ulonglong max_value) /* in: max value for type */ + ulonglong current, /*!< in: Current value */ + ulonglong increment, /*!< in: increment current by */ + ulonglong offset, /*!< in: AUTOINC offset */ + ulonglong max_value) /*!< in: max value for type */ { ulonglong next_value; @@ -1266,8 +1259,8 @@ static void innobase_trx_init( /*==============*/ - THD* thd, /* in: user thread handle */ - trx_t* trx) /* in/out: InnoDB transaction handle */ + THD* thd, /*!< in: user thread handle */ + trx_t* trx) /*!< in/out: InnoDB transaction handle */ { DBUG_ENTER("innobase_trx_init"); DBUG_ASSERT(EQ_CURRENT_THD(thd)); @@ -1283,13 +1276,13 @@ innobase_trx_init( } /************************************************************************* -Allocates an InnoDB transaction for a MySQL handler object. */ +Allocates an InnoDB transaction for a MySQL handler object. +@return InnoDB transaction handle */ extern "C" UNIV_INTERN trx_t* innobase_trx_allocate( /*==================*/ - /* out: InnoDB transaction handle */ - THD* thd) /* in: user thread handle */ + THD* thd) /*!< in: user thread handle */ { trx_t* trx; @@ -1310,13 +1303,13 @@ innobase_trx_allocate( /************************************************************************* Gets the InnoDB transaction handle for a MySQL handler object, creates an InnoDB transaction struct if the corresponding MySQL thread struct still -lacks one. */ +lacks one. +@return InnoDB transaction handle */ static trx_t* check_trx_exists( /*=============*/ - /* out: InnoDB transaction handle */ - THD* thd) /* in: user thread handle */ + THD* thd) /*!< in: user thread handle */ { trx_t*& trx = thd_to_trx(thd); @@ -1368,7 +1361,7 @@ UNIV_INTERN inline void ha_innobase::update_thd( /*====================*/ - THD* thd) /* in: thd to use the handle */ + THD* thd) /*!< in: thd to use the handle */ { trx_t* trx; @@ -1405,8 +1398,8 @@ static inline void innobase_register_stmt( /*===================*/ - handlerton* hton, /* in: Innobase hton */ - THD* thd) /* in: MySQL thd (connection) object */ + handlerton* hton, /*!< in: Innobase hton */ + THD* thd) /*!< in: MySQL thd (connection) object */ { DBUG_ASSERT(hton == innodb_hton_ptr); /* Register the statement */ @@ -1424,8 +1417,8 @@ static inline void innobase_register_trx_and_stmt( /*===========================*/ - handlerton *hton, /* in: Innobase handlerton */ - THD* thd) /* in: MySQL thd (connection) object */ + handlerton *hton, /*!< in: Innobase handlerton */ + THD* thd) /*!< in: MySQL thd (connection) object */ { /* NOTE that actually innobase_register_stmt() registers also the transaction in the AUTOCOMMIT=1 mode. */ @@ -1499,24 +1492,21 @@ at the start of a SELECT processing. Then the calling thread cannot be holding any InnoDB semaphores. The calling thread is holding the query cache mutex, and this function will reserver the InnoDB kernel mutex. Thus, the 'rank' in sync0sync.h of the MySQL query cache mutex is above -the InnoDB kernel mutex. */ +the InnoDB kernel mutex. +@return TRUE if permitted, FALSE if not; note that the value FALSE does not mean we should invalidate the query cache: invalidation is called explicitly */ static my_bool innobase_query_caching_of_table_permitted( /*======================================*/ - /* out: TRUE if permitted, FALSE if not; - note that the value FALSE does not mean - we should invalidate the query cache: - invalidation is called explicitly */ - THD* thd, /* in: thd of the user who is trying to + THD* thd, /*!< in: thd of the user who is trying to store a result to the query cache or retrieve it */ - char* full_name, /* in: concatenation of database name, + char* full_name, /*!< in: concatenation of database name, the null character '\0', and the table name */ - uint full_name_len, /* in: length of the full name, i.e. + uint full_name_len, /*!< in: length of the full name, i.e. len(dbname) + len(tablename) + 1 */ - ulonglong *unused) /* unused for this engine */ + ulonglong *unused) /*!< unused for this engine */ { ibool is_autocommit; trx_t* trx; @@ -1612,14 +1602,14 @@ extern "C" UNIV_INTERN void innobase_invalidate_query_cache( /*============================*/ - trx_t* trx, /* in: transaction which + trx_t* trx, /*!< in: transaction which modifies the table */ - const char* full_name, /* in: concatenation of + const char* full_name, /*!< in: concatenation of database name, null char '\0', table name, null char '\0'; NOTE that in Windows this is always in LOWER CASE! */ - ulint full_name_len) /* in: full name length where + ulint full_name_len) /*!< in: full name length where also the null chars count */ { /* Note that the sync0sync.h rank of the query cache mutex is just @@ -1637,18 +1627,18 @@ innobase_invalidate_query_cache( /********************************************************************* Convert an SQL identifier to the MySQL system_charset_info (UTF-8) -and quote it if needed. */ +and quote it if needed. +@return pointer to the end of buf */ static char* innobase_convert_identifier( /*========================*/ - /* out: pointer to the end of buf */ - char* buf, /* out: buffer for converted identifier */ - ulint buflen, /* in: length of buf, in bytes */ - const char* id, /* in: identifier to convert */ - ulint idlen, /* in: length of id, in bytes */ - void* thd, /* in: MySQL connection thread, or NULL */ - ibool file_id)/* in: TRUE=id is a table or database name; + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool file_id)/*!< in: TRUE=id is a table or database name; FALSE=id is an UTF-8 string */ { char nz[NAME_LEN + 1]; @@ -1722,18 +1712,18 @@ innobase_convert_identifier( /********************************************************************* Convert a table or index name to the MySQL system_charset_info (UTF-8) -and quote it if needed. */ +and quote it if needed. +@return pointer to the end of buf */ extern "C" UNIV_INTERN char* innobase_convert_name( /*==================*/ - /* out: pointer to the end of buf */ - char* buf, /* out: buffer for converted identifier */ - ulint buflen, /* in: length of buf, in bytes */ - const char* id, /* in: identifier to convert */ - ulint idlen, /* in: length of id, in bytes */ - void* thd, /* in: MySQL connection thread, or NULL */ - ibool table_id)/* in: TRUE=id is a table or database name; + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool table_id)/*!< in: TRUE=id is a table or database name; FALSE=id is an index name */ { char* s = buf; @@ -1778,13 +1768,13 @@ no_db_name: } /************************************************************************** -Determines if the currently running transaction has been interrupted. */ +Determines if the currently running transaction has been interrupted. +@return TRUE if interrupted */ extern "C" UNIV_INTERN ibool trx_is_interrupted( /*===============*/ - /* out: TRUE if interrupted */ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { return(trx && trx->mysql_thd && thd_killed((THD*) trx->mysql_thd)); } @@ -1796,7 +1786,7 @@ static void reset_template( /*===========*/ - row_prebuilt_t* prebuilt) /* in/out: prebuilt struct */ + row_prebuilt_t* prebuilt) /*!< in/out: prebuilt struct */ { prebuilt->keep_other_fields_on_keyread = 0; prebuilt->read_just_key = 0; @@ -1865,13 +1855,13 @@ ha_innobase::init_table_handle_for_HANDLER(void) } /************************************************************************* -Opens an InnoDB database. */ +Opens an InnoDB database. +@return 0 on success, error code on failure */ static int innobase_init( /*==========*/ - /* out: 0 on success, error code on failure */ - void *p) /* in: InnoDB handlerton */ + void *p) /*!< in: InnoDB handlerton */ { static char current_dir[3]; /* Set if using current lib */ int err; @@ -2208,15 +2198,15 @@ error: } /*********************************************************************** -Closes an InnoDB database. */ +Closes an InnoDB database. +@return TRUE if error */ static int innobase_end( /*=========*/ - /* out: TRUE if error */ - handlerton* hton, /* in/out: InnoDB handlerton */ + handlerton* hton, /*!< in/out: InnoDB handlerton */ ha_panic_function type __attribute__((unused))) - /* in: ha_panic() parameter */ + /*!< in: ha_panic() parameter */ { int err= 0; @@ -2252,13 +2242,13 @@ innobase_end( /******************************************************************** Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes -the logs, and the name of this function should be innobase_checkpoint. */ +the logs, and the name of this function should be innobase_checkpoint. +@return TRUE if error */ static bool innobase_flush_logs( /*================*/ - /* out: TRUE if error */ - handlerton* hton) /* in/out: InnoDB handlerton */ + handlerton* hton) /*!< in/out: InnoDB handlerton */ { bool result = 0; @@ -2291,7 +2281,7 @@ static void innobase_commit_low( /*================*/ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { if (trx->conc_state == TRX_NOT_STARTED) { @@ -2305,14 +2295,14 @@ innobase_commit_low( Creates an InnoDB transaction struct for the thd if it does not yet have one. Starts a new InnoDB transaction if a transaction is not yet started. And assigns a new snapshot for a consistent read if the transaction does not yet -have one. */ +have one. +@return 0 */ static int innobase_start_trx_and_assign_read_view( /*====================================*/ - /* out: 0 */ - handlerton *hton, /* in: Innodb handlerton */ - THD* thd) /* in: MySQL thread handle of the user for whom + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd) /*!< in: MySQL thread handle of the user for whom the transaction should be committed */ { trx_t* trx; @@ -2350,16 +2340,16 @@ innobase_start_trx_and_assign_read_view( /********************************************************************* Commits a transaction in an InnoDB database or marks an SQL statement -ended. */ +ended. +@return 0 */ static int innobase_commit( /*============*/ - /* out: 0 */ - handlerton *hton, /* in: Innodb handlerton */ - THD* thd, /* in: MySQL thread handle of the user for whom + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: MySQL thread handle of the user for whom the transaction should be committed */ - bool all) /* in: TRUE - commit transaction + bool all) /*!< in: TRUE - commit transaction FALSE - the current SQL statement ended */ { trx_t* trx; @@ -2482,16 +2472,16 @@ retry: } /********************************************************************* -Rolls back a transaction or the latest SQL statement. */ +Rolls back a transaction or the latest SQL statement. +@return 0 or error number */ static int innobase_rollback( /*==============*/ - /* out: 0 or error number */ - handlerton *hton, /* in: Innodb handlerton */ - THD* thd, /* in: handle to the MySQL thread of the user + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of the user whose transaction should be rolled back */ - bool all) /* in: TRUE - commit transaction + bool all) /*!< in: TRUE - commit transaction FALSE - the current SQL statement ended */ { int error = 0; @@ -2528,13 +2518,13 @@ innobase_rollback( } /********************************************************************* -Rolls back a transaction */ +Rolls back a transaction +@return 0 or error number */ static int innobase_rollback_trx( /*==================*/ - /* out: 0 or error number */ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { int error = 0; @@ -2559,17 +2549,16 @@ innobase_rollback_trx( } /********************************************************************* -Rolls back a transaction to a savepoint. */ +Rolls back a transaction to a savepoint. +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the given name */ static int innobase_rollback_to_savepoint( /*===========================*/ - /* out: 0 if success, HA_ERR_NO_SAVEPOINT if - no savepoint with the given name */ - handlerton *hton, /* in: Innodb handlerton */ - THD* thd, /* in: handle to the MySQL thread of the user + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of the user whose transaction should be rolled back */ - void* savepoint) /* in: savepoint data */ + void* savepoint) /*!< in: savepoint data */ { ib_int64_t mysql_binlog_cache_pos; int error = 0; @@ -2597,17 +2586,16 @@ innobase_rollback_to_savepoint( } /********************************************************************* -Release transaction savepoint name. */ +Release transaction savepoint name. +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the given name */ static int innobase_release_savepoint( /*=======================*/ - /* out: 0 if success, HA_ERR_NO_SAVEPOINT if - no savepoint with the given name */ - handlerton* hton, /* in: handlerton for Innodb */ - THD* thd, /* in: handle to the MySQL thread of the user + handlerton* hton, /*!< in: handlerton for Innodb */ + THD* thd, /*!< in: handle to the MySQL thread of the user whose transaction should be rolled back */ - void* savepoint) /* in: savepoint data */ + void* savepoint) /*!< in: savepoint data */ { int error = 0; trx_t* trx; @@ -2628,15 +2616,15 @@ innobase_release_savepoint( } /********************************************************************* -Sets a transaction savepoint. */ +Sets a transaction savepoint. +@return always 0, that is, always succeeds */ static int innobase_savepoint( /*===============*/ - /* out: always 0, that is, always succeeds */ - handlerton* hton, /* in: handle to the Innodb handlerton */ - THD* thd, /* in: handle to the MySQL thread */ - void* savepoint) /* in: savepoint data */ + handlerton* hton, /*!< in: handle to the Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread */ + void* savepoint) /*!< in: savepoint data */ { int error = 0; trx_t* trx; @@ -2675,14 +2663,14 @@ innobase_savepoint( } /********************************************************************* -Frees a possible InnoDB trx object associated with the current THD. */ +Frees a possible InnoDB trx object associated with the current THD. +@return 0 or error number */ static int innobase_close_connection( /*======================*/ - /* out: 0 or error number */ - handlerton* hton, /* in: innobase handlerton */ - THD* thd) /* in: handle to the MySQL thread of the user + handlerton* hton, /*!< in: innobase handlerton */ + THD* thd) /*!< in: handle to the MySQL thread of the user whose resources should be free'd */ { trx_t* trx; @@ -2724,16 +2712,12 @@ innobase_close_connection( *****************************************************************************/ /******************************************************************** -Get the record format from the data dictionary. */ +Get the record format from the data dictionary. +@return one of ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, ROW_TYPE_COMPRESSED, ROW_TYPE_DYNAMIC */ UNIV_INTERN enum row_type ha_innobase::get_row_type() const /*=============================*/ - /* out: one of - ROW_TYPE_REDUNDANT, - ROW_TYPE_COMPACT, - ROW_TYPE_COMPRESSED, - ROW_TYPE_DYNAMIC */ { if (prebuilt && prebuilt->table) { const ulint flags = prebuilt->table->flags; @@ -2765,12 +2749,12 @@ ha_innobase::get_row_type() const /******************************************************************** -Get the table flags to use for the statement. */ +Get the table flags to use for the statement. +@return table flags */ UNIV_INTERN handler::Table_flags ha_innobase::table_flags() const /*============================*/ - /* out: table flags */ { /* Need to use tx_isolation here since table flags is (also) called before prebuilt is inited. */ @@ -2788,12 +2772,12 @@ static const char* ha_innobase_exts[] = { }; /******************************************************************** -Returns the table type (storage engine name). */ +Returns the table type (storage engine name). +@return table type */ UNIV_INTERN const char* ha_innobase::table_type() const /*===========================*/ - /* out: table type */ { return(innobase_hton_name); } @@ -2805,29 +2789,29 @@ const char* ha_innobase::index_type( /*====================*/ uint) - /* out: index type */ + /*!< out: index type */ { return("BTREE"); } /******************************************************************** -Returns the table file name extension. */ +Returns the table file name extension. +@return file extension string */ UNIV_INTERN const char** ha_innobase::bas_ext() const /*========================*/ - /* out: file extension string */ { return(ha_innobase_exts); } /******************************************************************** -Returns the operations supported for indexes. */ +Returns the operations supported for indexes. +@return flags of supported operations */ UNIV_INTERN ulong ha_innobase::index_flags( /*=====================*/ - /* out: flags of supported operations */ uint, uint, bool) @@ -2838,23 +2822,23 @@ const } /******************************************************************** -Returns the maximum number of keys. */ +Returns the maximum number of keys. +@return MAX_KEY */ UNIV_INTERN uint ha_innobase::max_supported_keys() const /*===================================*/ - /* out: MAX_KEY */ { return(MAX_KEY); } /******************************************************************** -Returns the maximum key length. */ +Returns the maximum key length. +@return maximum supported key length, in bytes */ UNIV_INTERN uint ha_innobase::max_supported_key_length() const /*=========================================*/ - /* out: maximum supported key length, in bytes */ { /* An InnoDB page must store >= 2 keys; a secondary key record must also contain the primary key value: max key length is @@ -2865,31 +2849,31 @@ ha_innobase::max_supported_key_length() const } /******************************************************************** -Returns the key map of keys that are usable for scanning. */ +Returns the key map of keys that are usable for scanning. +@return key_map_full */ UNIV_INTERN const key_map* ha_innobase::keys_to_use_for_scanning() - /* out: key_map_full */ { return(&key_map_full); } /******************************************************************** -Determines if table caching is supported. */ +Determines if table caching is supported. +@return HA_CACHE_TBL_ASKTRANSACT */ UNIV_INTERN uint8 ha_innobase::table_cache_type() - /* out: HA_CACHE_TBL_ASKTRANSACT */ { return(HA_CACHE_TBL_ASKTRANSACT); } /******************************************************************** -Determines if the primary key is clustered index. */ +Determines if the primary key is clustered index. +@return true */ UNIV_INTERN bool ha_innobase::primary_key_is_clustered() - /* out: true */ { return(true); } @@ -2903,9 +2887,9 @@ static void normalize_table_name( /*=================*/ - char* norm_name, /* out: normalized name as a + char* norm_name, /*!< out: normalized name as a null-terminated string */ - const char* name) /* in: table name string */ + const char* name) /*!< in: table name string */ { char* name_ptr; char* db_ptr; @@ -2942,12 +2926,12 @@ normalize_table_name( /************************************************************************ Set the autoinc column max value. This should only be called once from -ha_innobase::open(). Therefore there's no need for a covering lock. */ +ha_innobase::open(). Therefore there's no need for a covering lock. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint ha_innobase::innobase_initialize_autoinc() /*======================================*/ - /* out: DB_SUCCESS or error code */ { dict_index_t* index; ulonglong auto_inc; @@ -2981,15 +2965,15 @@ ha_innobase::innobase_initialize_autoinc() /********************************************************************* Creates and opens a handle to a table which already exists in an InnoDB -database. */ +database. +@return 1 if error, 0 if success */ UNIV_INTERN int ha_innobase::open( /*==============*/ - /* out: 1 if error, 0 if success */ - const char* name, /* in: table name */ - int mode, /* in: not used */ - uint test_if_locked) /* in: not used */ + const char* name, /*!< in: table name */ + int mode, /*!< in: not used */ + uint test_if_locked) /*!< in: not used */ { dict_table_t* ib_table; char norm_name[1000]; @@ -3212,12 +3196,12 @@ ha_innobase::max_supported_key_part_length() const } /********************************************************************** -Closes a handle to an InnoDB table. */ +Closes a handle to an InnoDB table. +@return 0 */ UNIV_INTERN int ha_innobase::close(void) /*====================*/ - /* out: 0 */ { THD* thd; @@ -3244,29 +3228,29 @@ ha_innobase::close(void) /* The following accessor functions should really be inside MySQL code! */ /****************************************************************** -Gets field offset for a field in a table. */ +Gets field offset for a field in a table. +@return offset */ static inline uint get_field_offset( /*=============*/ - /* out: offset */ - TABLE* table, /* in: MySQL table object */ - Field* field) /* in: MySQL field object */ + TABLE* table, /*!< in: MySQL table object */ + Field* field) /*!< in: MySQL field object */ { return((uint) (field->ptr - table->record[0])); } /****************************************************************** Checks if a field in a record is SQL NULL. Uses the record format -information in table to track the null bit in record. */ +information in table to track the null bit in record. +@return 1 if NULL, 0 otherwise */ static inline uint field_in_record_is_null( /*====================*/ - /* out: 1 if NULL, 0 otherwise */ - TABLE* table, /* in: MySQL table object */ - Field* field, /* in: MySQL field object */ - char* record) /* in: a row in MySQL format */ + TABLE* table, /*!< in: MySQL table object */ + Field* field, /*!< in: MySQL field object */ + char* record) /*!< in: a row in MySQL format */ { int null_offset; @@ -3293,9 +3277,9 @@ static inline void set_field_in_record_to_null( /*========================*/ - TABLE* table, /* in: MySQL table object */ - Field* field, /* in: MySQL field object */ - char* record) /* in: a row in MySQL format */ + TABLE* table, /*!< in: MySQL table object */ + Field* field, /*!< in: MySQL field object */ + char* record) /*!< in: a row in MySQL format */ { int null_offset; @@ -3309,20 +3293,19 @@ set_field_in_record_to_null( InnoDB uses this function to compare two data fields for which the data type is such that we must use MySQL code to compare them. NOTE that the prototype of this function is in rem0cmp.c in InnoDB source code! If you change this -function, remember to update the prototype there! */ +function, remember to update the prototype there! +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ extern "C" UNIV_INTERN int innobase_mysql_cmp( /*===============*/ - /* out: 1, 0, -1, if a is greater, - equal, less than b, respectively */ - int mysql_type, /* in: MySQL type */ - uint charset_number, /* in: number of the charset */ - const unsigned char* a, /* in: data field */ - unsigned int a_length, /* in: data field length, + int mysql_type, /*!< in: MySQL type */ + uint charset_number, /*!< in: number of the charset */ + const unsigned char* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, not UNIV_SQL_NULL */ - const unsigned char* b, /* in: data field */ - unsigned int b_length) /* in: data field length, + const unsigned char* b, /*!< in: data field */ + unsigned int b_length) /*!< in: data field length, not UNIV_SQL_NULL */ { CHARSET_INFO* charset; @@ -3390,19 +3373,18 @@ innobase_mysql_cmp( /****************************************************************** Converts a MySQL type to an InnoDB type. Note that this function returns the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 -VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. */ +VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. +@return DATA_BINARY, DATA_VARCHAR, ... */ extern "C" UNIV_INTERN ulint get_innobase_type_from_mysql_type( /*==============================*/ - /* out: DATA_BINARY, - DATA_VARCHAR, ... */ - ulint* unsigned_flag, /* out: DATA_UNSIGNED if an + ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an 'unsigned type'; at least ENUM and SET, and unsigned integer types are 'unsigned types' */ - const void* f) /* in: MySQL Field */ + const void* f) /*!< in: MySQL Field */ { const class Field* field = reinterpret_cast(f); @@ -3502,8 +3484,8 @@ static inline void innobase_write_to_2_little_endian( /*==============================*/ - byte* buf, /* in: where to store */ - ulint val) /* in: value to write, must be < 64k */ + byte* buf, /*!< in: where to store */ + ulint val) /*!< in: value to write, must be < 64k */ { ut_a(val < 256 * 256); @@ -3513,29 +3495,29 @@ innobase_write_to_2_little_endian( /*********************************************************************** Reads an unsigned integer value < 64k from 2 bytes, in the little-endian -storage format. */ +storage format. +@return value */ static inline uint innobase_read_from_2_little_endian( /*===============================*/ - /* out: value */ - const uchar* buf) /* in: from where to read */ + const uchar* buf) /*!< in: from where to read */ { return (uint) ((ulint)(buf[0]) + 256 * ((ulint)(buf[1]))); } /*********************************************************************** -Stores a key value for a row to a buffer. */ +Stores a key value for a row to a buffer. +@return key value length as stored in buff */ UNIV_INTERN uint ha_innobase::store_key_val_for_row( /*===============================*/ - /* out: key value length as stored in buff */ - uint keynr, /* in: key number */ - char* buff, /* in/out: buffer for the key value (in MySQL + uint keynr, /*!< in: key number */ + char* buff, /*!< in/out: buffer for the key value (in MySQL format) */ - uint buff_len,/* in: buffer length */ - const uchar* record)/* in: row in MySQL format */ + uint buff_len,/*!< in: buffer length */ + const uchar* record)/*!< in: row in MySQL format */ { KEY* key_info = table->key_info + keynr; KEY_PART_INFO* key_part = key_info->key_part; @@ -3805,12 +3787,12 @@ static void build_template( /*===========*/ - row_prebuilt_t* prebuilt, /* in/out: prebuilt struct */ - THD* thd, /* in: current user thread, used + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct */ + THD* thd, /*!< in: current user thread, used only if templ_type is ROW_MYSQL_REC_FIELDS */ - TABLE* table, /* in: MySQL table */ - uint templ_type) /* in: ROW_MYSQL_WHOLE_ROW or + TABLE* table, /*!< in: MySQL table */ + uint templ_type) /*!< in: ROW_MYSQL_WHOLE_ROW or ROW_MYSQL_REC_FIELDS */ { dict_index_t* index; @@ -4076,13 +4058,12 @@ This special handling is really to overcome the limitations of MySQL's binlogging. We need to eliminate the non-determinism that will arise in INSERT ... SELECT type of statements, since MySQL binlog only stores the min value of the autoinc interval. Once that is fixed we can get rid of -the special lock handling.*/ +the special lock handling. +@return DB_SUCCESS if all OK else error code */ UNIV_INTERN ulint ha_innobase::innobase_lock_autoinc(void) /*====================================*/ - /* out: DB_SUCCESS if all OK else - error code */ { ulint error = DB_SUCCESS; @@ -4133,14 +4114,13 @@ ha_innobase::innobase_lock_autoinc(void) } /************************************************************************ -Reset the autoinc value in the table.*/ +Reset the autoinc value in the table. +@return DB_SUCCESS if all went well else error code */ UNIV_INTERN ulint ha_innobase::innobase_reset_autoinc( /*================================*/ - /* out: DB_SUCCESS if all went well - else error code */ - ulonglong autoinc) /* in: value to store */ + ulonglong autoinc) /*!< in: value to store */ { ulint error; @@ -4158,14 +4138,13 @@ ha_innobase::innobase_reset_autoinc( /************************************************************************ Store the autoinc value in the table. The autoinc value is only set if -it's greater than the existing autoinc value in the table.*/ +it's greater than the existing autoinc value in the table. +@return DB_SUCCES if all went well else error code */ UNIV_INTERN ulint ha_innobase::innobase_set_max_autoinc( /*==================================*/ - /* out: DB_SUCCES if all went well - else error code */ - ulonglong auto_inc) /* in: value to store */ + ulonglong auto_inc) /*!< in: value to store */ { ulint error; @@ -4183,13 +4162,13 @@ ha_innobase::innobase_set_max_autoinc( /************************************************************************ Stores a row in an InnoDB database, to the table specified in this -handle. */ +handle. +@return error code */ UNIV_INTERN int ha_innobase::write_row( /*===================*/ - /* out: error code */ - uchar* record) /* in: a row in MySQL format */ + uchar* record) /*!< in: a row in MySQL format */ { ulint error = 0; int error_result= 0; @@ -4423,21 +4402,21 @@ func_exit: /************************************************************************** Checks which fields have changed in a row and stores information -of them to an update vector. */ +of them to an update vector. +@return error number or 0 */ static int calc_row_difference( /*================*/ - /* out: error number or 0 */ - upd_t* uvect, /* in/out: update vector */ - uchar* old_row, /* in: old row in MySQL format */ - uchar* new_row, /* in: new row in MySQL format */ - struct st_table* table, /* in: table in MySQL data + upd_t* uvect, /*!< in/out: update vector */ + uchar* old_row, /*!< in: old row in MySQL format */ + uchar* new_row, /*!< in: new row in MySQL format */ + struct st_table* table, /*!< in: table in MySQL data dictionary */ - uchar* upd_buff, /* in: buffer to use */ - ulint buff_len, /* in: buffer length */ - row_prebuilt_t* prebuilt, /* in: InnoDB prebuilt struct */ - THD* thd) /* in: user thread */ + uchar* upd_buff, /*!< in: buffer to use */ + ulint buff_len, /*!< in: buffer length */ + row_prebuilt_t* prebuilt, /*!< in: InnoDB prebuilt struct */ + THD* thd) /*!< in: user thread */ { uchar* original_upd_buff = upd_buff; Field* field; @@ -4575,14 +4554,14 @@ whole rows, not just the fields which are updated: this incurs some overhead for CPU when we check which fields are actually updated. TODO: currently InnoDB does not prevent the 'Halloween problem': in a searched update a single row can get updated several times -if its index columns are updated! */ +if its index columns are updated! +@return error number or 0 */ UNIV_INTERN int ha_innobase::update_row( /*====================*/ - /* out: error number or 0 */ - const uchar* old_row, /* in: old row in MySQL format */ - uchar* new_row) /* in: new row in MySQL format */ + const uchar* old_row, /*!< in: old row in MySQL format */ + uchar* new_row) /*!< in: new row in MySQL format */ { upd_t* uvect; int error = 0; @@ -4683,13 +4662,13 @@ ha_innobase::update_row( } /************************************************************************** -Deletes a row given as the parameter. */ +Deletes a row given as the parameter. +@return error number or 0 */ UNIV_INTERN int ha_innobase::delete_row( /*====================*/ - /* out: error number or 0 */ - const uchar* record) /* in: a row in MySQL format */ + const uchar* record) /*!< in: a row in MySQL format */ { int error = 0; trx_t* trx = thd_to_trx(user_thd); @@ -4794,14 +4773,14 @@ ha_innobase::try_semi_consistent_read(bool yes) } /********************************************************************** -Initializes a handle to use an index. */ +Initializes a handle to use an index. +@return 0 or error number */ UNIV_INTERN int ha_innobase::index_init( /*====================*/ - /* out: 0 or error number */ - uint keynr, /* in: key (index) number */ - bool sorted) /* in: 1 if result MUST be sorted according to index */ + uint keynr, /*!< in: key (index) number */ + bool sorted) /*!< in: 1 if result MUST be sorted according to index */ { DBUG_ENTER("index_init"); @@ -4809,12 +4788,12 @@ ha_innobase::index_init( } /********************************************************************** -Currently does nothing. */ +Currently does nothing. +@return 0 */ UNIV_INTERN int ha_innobase::index_end(void) /*========================*/ - /* out: 0 */ { int error = 0; DBUG_ENTER("index_end"); @@ -4929,16 +4908,15 @@ start of a new SQL statement. */ /************************************************************************** Positions an index cursor to the index specified in the handle. Fetches the -row if any. */ +row if any. +@return 0, HA_ERR_KEY_NOT_FOUND, or error number */ UNIV_INTERN int ha_innobase::index_read( /*====================*/ - /* out: 0, HA_ERR_KEY_NOT_FOUND, - or error number */ - uchar* buf, /* in/out: buffer for the returned + uchar* buf, /*!< in/out: buffer for the returned row */ - const uchar* key_ptr, /* in: key value; if this is NULL + const uchar* key_ptr, /*!< in: key value; if this is NULL we position the cursor at the start or end of index; this can also contain an InnoDB row id, in @@ -4947,8 +4925,8 @@ ha_innobase::index_read( also be a prefix of a full key value, and the last column can be a prefix of a full column */ - uint key_len,/* in: key value length */ - enum ha_rkey_function find_flag)/* in: search flags from my_base.h */ + uint key_len,/*!< in: key value length */ + enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ { ulint mode; dict_index_t* index; @@ -5045,30 +5023,29 @@ ha_innobase::index_read( /*********************************************************************** The following functions works like index_read, but it find the last -row with the current key value or prefix. */ +row with the current key value or prefix. +@return 0, HA_ERR_KEY_NOT_FOUND, or an error code */ UNIV_INTERN int ha_innobase::index_read_last( /*=========================*/ - /* out: 0, HA_ERR_KEY_NOT_FOUND, or an - error code */ - uchar* buf, /* out: fetched row */ - const uchar* key_ptr,/* in: key value, or a prefix of a full + uchar* buf, /*!< out: fetched row */ + const uchar* key_ptr,/*!< in: key value, or a prefix of a full key value */ - uint key_len)/* in: length of the key val or prefix + uint key_len)/*!< in: length of the key val or prefix in bytes */ { return(index_read(buf, key_ptr, key_len, HA_READ_PREFIX_LAST)); } /************************************************************************ -Get the index for a handle. Does not change active index.*/ +Get the index for a handle. Does not change active index. +@return NULL or index instance. */ UNIV_INTERN dict_index_t* ha_innobase::innobase_get_index( /*============================*/ - /* out: NULL or index instance. */ - uint keynr) /* in: use this index; MAX_KEY means always + uint keynr) /*!< in: use this index; MAX_KEY means always clustered index, even if it was internally generated by InnoDB */ { @@ -5102,13 +5079,13 @@ ha_innobase::innobase_get_index( } /************************************************************************ -Changes the active index of a handle. */ +Changes the active index of a handle. +@return 0 or error code */ UNIV_INTERN int ha_innobase::change_active_index( /*=============================*/ - /* out: 0 or error code */ - uint keynr) /* in: use this index; MAX_KEY means always clustered + uint keynr) /*!< in: use this index; MAX_KEY means always clustered index, even if it was internally generated by InnoDB */ { @@ -5159,20 +5136,20 @@ ha_innobase::change_active_index( /************************************************************************** Positions an index cursor to the index specified in keynr. Fetches the row if any. -??? This is only used to read whole keys ??? */ +??? This is only used to read whole keys ??? +@return error number or 0 */ UNIV_INTERN int ha_innobase::index_read_idx( /*========================*/ - /* out: error number or 0 */ - uchar* buf, /* in/out: buffer for the returned + uchar* buf, /*!< in/out: buffer for the returned row */ - uint keynr, /* in: use this index */ - const uchar* key, /* in: key value; if this is NULL + uint keynr, /*!< in: use this index */ + const uchar* key, /*!< in: key value; if this is NULL we position the cursor at the start or end of index */ - uint key_len, /* in: key value length */ - enum ha_rkey_function find_flag)/* in: search flags from my_base.h */ + uint key_len, /*!< in: key value length */ + enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ { if (change_active_index(keynr)) { @@ -5184,17 +5161,16 @@ ha_innobase::index_read_idx( /*************************************************************************** Reads the next or previous row from a cursor, which must have previously been -positioned using index_read. */ +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN int ha_innobase::general_fetch( /*=======================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error - number */ - uchar* buf, /* in/out: buffer for next row in MySQL + uchar* buf, /*!< in/out: buffer for next row in MySQL format */ - uint direction, /* in: ROW_SEL_NEXT or ROW_SEL_PREV */ - uint match_mode) /* in: 0, ROW_SEL_EXACT, or + uint direction, /*!< in: ROW_SEL_NEXT or ROW_SEL_PREV */ + uint match_mode) /*!< in: 0, ROW_SEL_EXACT, or ROW_SEL_EXACT_PREFIX */ { ulint ret; @@ -5236,14 +5212,13 @@ ha_innobase::general_fetch( /*************************************************************************** Reads the next row from a cursor, which must have previously been -positioned using index_read. */ +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN int ha_innobase::index_next( /*====================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error - number */ - uchar* buf) /* in/out: buffer for next row in MySQL + uchar* buf) /*!< in/out: buffer for next row in MySQL format */ { ha_statistic_increment(&SSV::ha_read_next_count); @@ -5252,16 +5227,15 @@ ha_innobase::index_next( } /*********************************************************************** -Reads the next row matching to the key value given as the parameter. */ +Reads the next row matching to the key value given as the parameter. +@return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN int ha_innobase::index_next_same( /*=========================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error - number */ - uchar* buf, /* in/out: buffer for the row */ - const uchar* key, /* in: key value */ - uint keylen) /* in: key value length */ + uchar* buf, /*!< in/out: buffer for the row */ + const uchar* key, /*!< in: key value */ + uint keylen) /*!< in: key value length */ { ha_statistic_increment(&SSV::ha_read_next_count); @@ -5270,13 +5244,13 @@ ha_innobase::index_next_same( /*************************************************************************** Reads the previous row from a cursor, which must have previously been -positioned using index_read. */ +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN int ha_innobase::index_prev( /*====================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error number */ - uchar* buf) /* in/out: buffer for previous row in MySQL format */ + uchar* buf) /*!< in/out: buffer for previous row in MySQL format */ { ha_statistic_increment(&SSV::ha_read_prev_count); @@ -5285,13 +5259,13 @@ ha_innobase::index_prev( /************************************************************************ Positions a cursor on the first record in an index and reads the -corresponding row to buf. */ +corresponding row to buf. +@return 0, HA_ERR_END_OF_FILE, or error code */ UNIV_INTERN int ha_innobase::index_first( /*=====================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error code */ - uchar* buf) /* in/out: buffer for the row */ + uchar* buf) /*!< in/out: buffer for the row */ { int error; @@ -5311,13 +5285,13 @@ ha_innobase::index_first( /************************************************************************ Positions a cursor on the last record in an index and reads the -corresponding row to buf. */ +corresponding row to buf. +@return 0, HA_ERR_END_OF_FILE, or error code */ UNIV_INTERN int ha_innobase::index_last( /*====================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error code */ - uchar* buf) /* in/out: buffer for the row */ + uchar* buf) /*!< in/out: buffer for the row */ { int error; @@ -5336,13 +5310,13 @@ ha_innobase::index_last( } /******************************************************************** -Initialize a table scan. */ +Initialize a table scan. +@return 0 or error number */ UNIV_INTERN int ha_innobase::rnd_init( /*==================*/ - /* out: 0 or error number */ - bool scan) /* in: TRUE if table/index scan FALSE otherwise */ + bool scan) /*!< in: TRUE if table/index scan FALSE otherwise */ { int err; @@ -5368,25 +5342,25 @@ ha_innobase::rnd_init( } /********************************************************************* -Ends a table scan. */ +Ends a table scan. +@return 0 or error number */ UNIV_INTERN int ha_innobase::rnd_end(void) /*======================*/ - /* out: 0 or error number */ { return(index_end()); } /********************************************************************* Reads the next row in a table scan (also used to read the FIRST row -in a table scan). */ +in a table scan). +@return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN int ha_innobase::rnd_next( /*==================*/ - /* out: 0, HA_ERR_END_OF_FILE, or error number */ - uchar* buf) /* in/out: returns the row in this buffer, + uchar* buf) /*!< in/out: returns the row in this buffer, in MySQL format */ { int error; @@ -5410,14 +5384,14 @@ ha_innobase::rnd_next( } /************************************************************************** -Fetches a row from the table based on a row reference. */ +Fetches a row from the table based on a row reference. +@return 0, HA_ERR_KEY_NOT_FOUND, or error code */ UNIV_INTERN int ha_innobase::rnd_pos( /*=================*/ - /* out: 0, HA_ERR_KEY_NOT_FOUND, or error code */ - uchar* buf, /* in/out: buffer for the row */ - uchar* pos) /* in: primary key value of the row in the + uchar* buf, /*!< in/out: buffer for the row */ + uchar* pos) /*!< in: primary key value of the row in the MySQL format, or the row id if the clustered index was internally generated by InnoDB; the length of data in pos has to be ref_length */ @@ -5473,7 +5447,7 @@ UNIV_INTERN void ha_innobase::position( /*==================*/ - const uchar* record) /* in: row in MySQL format */ + const uchar* record) /*!< in: row in MySQL format */ { uint len; @@ -5514,11 +5488,11 @@ static int create_table_def( /*=============*/ - trx_t* trx, /* in: InnoDB transaction handle */ - TABLE* form, /* in: information on table + trx_t* trx, /*!< in: InnoDB transaction handle */ + TABLE* form, /*!< in: information on table columns and indexes */ - const char* table_name, /* in: table name */ - const char* path_of_temp_table,/* in: if this is a table explicitly + const char* table_name, /*!< in: table name */ + const char* path_of_temp_table,/*!< in: if this is a table explicitly created by the user with the TEMPORARY keyword, then this parameter is the dir path where the @@ -5526,7 +5500,7 @@ create_table_def( an .ibd file for it (no .ibd extension in the path, though); otherwise this is NULL */ - ulint flags) /* in: table flags */ + ulint flags) /*!< in: table flags */ { Field* field; dict_table_t* table; @@ -5643,12 +5617,12 @@ static int create_index( /*=========*/ - trx_t* trx, /* in: InnoDB transaction handle */ - TABLE* form, /* in: information on table + trx_t* trx, /*!< in: InnoDB transaction handle */ + TABLE* form, /*!< in: information on table columns and indexes */ - ulint flags, /* in: InnoDB table flags */ - const char* table_name, /* in: table name */ - uint key_num) /* in: index number */ + ulint flags, /*!< in: InnoDB table flags */ + const char* table_name, /*!< in: table name */ + uint key_num) /*!< in: index number */ { Field* field; dict_index_t* index; @@ -5769,9 +5743,9 @@ static int create_clustered_index_when_no_primary( /*===================================*/ - trx_t* trx, /* in: InnoDB transaction handle */ - ulint flags, /* in: InnoDB table flags */ - const char* table_name) /* in: table name */ + trx_t* trx, /*!< in: InnoDB transaction handle */ + ulint flags, /*!< in: InnoDB table flags */ + const char* table_name) /*!< in: table name */ { dict_index_t* index; int error; @@ -5793,16 +5767,16 @@ create_clustered_index_when_no_primary( Validates the create options. We may build on this function in future. For now, it checks two specifiers: KEY_BLOCK_SIZE and ROW_FORMAT -If innodb_strict_mode is not set then this function is a no-op */ +If innodb_strict_mode is not set then this function is a no-op +@return TRUE if valid. */ static ibool create_options_are_valid( /*=====================*/ - /* out: TRUE if valid. */ - THD* thd, /* in: connection thread. */ - TABLE* form, /* in: information on table + THD* thd, /*!< in: connection thread. */ + TABLE* form, /*!< in: information on table columns and indexes */ - HA_CREATE_INFO* create_info) /* in: create info. */ + HA_CREATE_INFO* create_info) /*!< in: create info. */ { ibool kbs_specified = FALSE; ibool ret = TRUE; @@ -5961,7 +5935,7 @@ UNIV_INTERN void ha_innobase::update_create_info( /*============================*/ - HA_CREATE_INFO* create_info) /* in/out: create info */ + HA_CREATE_INFO* create_info) /*!< in/out: create info */ { if (!(create_info->used_fields & HA_CREATE_USED_AUTO)) { ha_innobase::info(HA_STATUS_AUTO); @@ -5970,16 +5944,16 @@ ha_innobase::update_create_info( } /********************************************************************* -Creates a new table to an InnoDB database. */ +Creates a new table to an InnoDB database. +@return error number */ UNIV_INTERN int ha_innobase::create( /*================*/ - /* out: error number */ - const char* name, /* in: table name */ - TABLE* form, /* in: information on table + const char* name, /*!< in: table name */ + TABLE* form, /*!< in: information on table columns and indexes */ - HA_CREATE_INFO* create_info) /* in: more information of the + HA_CREATE_INFO* create_info) /*!< in: more information of the created table, contains also the create statement string */ { @@ -6337,13 +6311,13 @@ cleanup: } /********************************************************************* -Discards or imports an InnoDB tablespace. */ +Discards or imports an InnoDB tablespace. +@return 0 == success, -1 == error */ UNIV_INTERN int ha_innobase::discard_or_import_tablespace( /*======================================*/ - /* out: 0 == success, -1 == error */ - my_bool discard) /* in: TRUE if discard, else import */ + my_bool discard) /*!< in: TRUE if discard, else import */ { dict_table_t* dict_table; trx_t* trx; @@ -6370,12 +6344,12 @@ ha_innobase::discard_or_import_tablespace( } /********************************************************************* -Deletes all rows of an InnoDB table. */ +Deletes all rows of an InnoDB table. +@return error number */ UNIV_INTERN int ha_innobase::delete_all_rows(void) /*==============================*/ - /* out: error number */ { int error; @@ -6413,13 +6387,13 @@ Drops a table from an InnoDB database. Before calling this function, MySQL calls innobase_commit to commit the transaction of the current user. Then the current user cannot have locks set on the table. Drop table operation inside InnoDB will remove all locks any user has on the table -inside InnoDB. */ +inside InnoDB. +@return error number */ UNIV_INTERN int ha_innobase::delete_table( /*======================*/ - /* out: error number */ - const char* name) /* in: table name */ + const char* name) /*!< in: table name */ { ulint name_len; int error; @@ -6492,8 +6466,8 @@ static void innobase_drop_database( /*===================*/ - handlerton *hton, /* in: handlerton of Innodb */ - char* path) /* in: database path; inside InnoDB the name + handlerton *hton, /*!< in: handlerton of Innodb */ + char* path) /*!< in: database path; inside InnoDB the name of the last directory in the path is used as the database name: for example, in 'mysql/data/test' the database name is 'test' */ @@ -6563,17 +6537,17 @@ innobase_drop_database( trx_free_for_mysql(trx); } /************************************************************************* -Renames an InnoDB table. */ +Renames an InnoDB table. +@return 0 or error code */ static int innobase_rename_table( /*==================*/ - /* out: 0 or error code */ - trx_t* trx, /* in: transaction */ - const char* from, /* in: old name of the table */ - const char* to, /* in: new name of the table */ + trx_t* trx, /*!< in: transaction */ + const char* from, /*!< in: old name of the table */ + const char* to, /*!< in: new name of the table */ ibool lock_and_commit) - /* in: TRUE=lock data dictionary and commit */ + /*!< in: TRUE=lock data dictionary and commit */ { int error; char* norm_to; @@ -6628,14 +6602,14 @@ innobase_rename_table( return error; } /************************************************************************* -Renames an InnoDB table. */ +Renames an InnoDB table. +@return 0 or error code */ UNIV_INTERN int ha_innobase::rename_table( /*======================*/ - /* out: 0 or error code */ - const char* from, /* in: old name of the table */ - const char* to) /* in: new name of the table */ + const char* from, /*!< in: old name of the table */ + const char* to) /*!< in: new name of the table */ { trx_t* trx; int error; @@ -6672,17 +6646,16 @@ ha_innobase::rename_table( } /************************************************************************* -Estimates the number of index records in a range. */ +Estimates the number of index records in a range. +@return estimated number of rows */ UNIV_INTERN ha_rows ha_innobase::records_in_range( /*==========================*/ - /* out: estimated number of - rows */ - uint keynr, /* in: index number */ - key_range *min_key, /* in: start key value of the + uint keynr, /*!< in: index number */ + key_range *min_key, /*!< in: start key value of the range, may also be 0 */ - key_range *max_key) /* in: range end key val, may + key_range *max_key) /*!< in: range end key val, may also be 0 */ { KEY* key; @@ -6782,12 +6755,12 @@ ha_innobase::records_in_range( /************************************************************************* Gives an UPPER BOUND to the number of rows in a table. This is used in -filesort.cc. */ +filesort.cc. +@return upper bound of rows */ UNIV_INTERN ha_rows ha_innobase::estimate_rows_upper_bound(void) /*======================================*/ - /* out: upper bound of rows */ { dict_index_t* index; ulonglong estimate; @@ -6833,12 +6806,12 @@ ha_innobase::estimate_rows_upper_bound(void) /************************************************************************* How many seeks it will take to read through the table. This is to be comparable to the number returned by records_in_range so that we can -decide if we should scan the table or use keys. */ +decide if we should scan the table or use keys. +@return estimated time measured in disk seeks */ UNIV_INTERN double ha_innobase::scan_time() /*====================*/ - /* out: estimated time measured in disk seeks */ { /* Since MySQL seems to favor table scans too much over index searches, we pretend that a sequential read takes the same time @@ -6850,15 +6823,15 @@ ha_innobase::scan_time() /********************************************************************** Calculate the time it takes to read a set of ranges through an index -This enables us to optimise reads for clustered indexes. */ +This enables us to optimise reads for clustered indexes. +@return estimated time measured in disk seeks */ UNIV_INTERN double ha_innobase::read_time( /*===================*/ - /* out: estimated time measured in disk seeks */ - uint index, /* in: key number */ - uint ranges, /* in: how many ranges */ - ha_rows rows) /* in: estimated number of rows in the ranges */ + uint index, /*!< in: key number */ + uint ranges, /*!< in: how many ranges */ + ha_rows rows) /*!< in: estimated number of rows in the ranges */ { ha_rows total_rows; double time_for_scan; @@ -6893,7 +6866,7 @@ UNIV_INTERN int ha_innobase::info( /*==============*/ - uint flag) /* in: what information MySQL requests */ + uint flag) /*!< in: what information MySQL requests */ { dict_table_t* ib_table; dict_index_t* index; @@ -7154,14 +7127,14 @@ ha_innobase::info( /************************************************************************** Updates index cardinalities of the table, based on 8 random dives into -each index tree. This does NOT calculate exact statistics on the table. */ +each index tree. This does NOT calculate exact statistics on the table. +@return returns always 0 (success) */ UNIV_INTERN int ha_innobase::analyze( /*=================*/ - /* out: returns always 0 (success) */ - THD* thd, /* in: connection thread handle */ - HA_CHECK_OPT* check_opt) /* in: currently ignored */ + THD* thd, /*!< in: connection thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ { /* Simply call ::info() with all the flags */ info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); @@ -7176,8 +7149,8 @@ UNIV_INTERN int ha_innobase::optimize( /*==================*/ - THD* thd, /* in: connection thread handle */ - HA_CHECK_OPT* check_opt) /* in: currently ignored */ + THD* thd, /*!< in: connection thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ { return(HA_ADMIN_TRY_ALTER); } @@ -7185,15 +7158,14 @@ ha_innobase::optimize( /*********************************************************************** Tries to check that an InnoDB table is not corrupted. If corruption is noticed, prints to stderr information about it. In case of corruption -may also assert a failure and crash the server. */ +may also assert a failure and crash the server. +@return HA_ADMIN_CORRUPT or HA_ADMIN_OK */ UNIV_INTERN int ha_innobase::check( /*===============*/ - /* out: HA_ADMIN_CORRUPT or - HA_ADMIN_OK */ - THD* thd, /* in: user thread handle */ - HA_CHECK_OPT* check_opt) /* in: check options, currently + THD* thd, /*!< in: user thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: check options, currently ignored */ { ulint ret; @@ -7222,14 +7194,13 @@ ha_innobase::check( /***************************************************************** Adds information about free space in the InnoDB tablespace to a table comment which is printed out when a user calls SHOW TABLE STATUS. Adds also info on -foreign keys. */ +foreign keys. +@return table comment + InnoDB free space + info on foreign keys */ UNIV_INTERN char* ha_innobase::update_table_comment( /*==============================*/ - /* out: table comment + InnoDB free space + - info on foreign keys */ - const char* comment)/* in: table comment defined by user */ + const char* comment)/*!< in: table comment defined by user */ { uint length = (uint) strlen(comment); char* str; @@ -7296,14 +7267,12 @@ ha_innobase::update_table_comment( } /*********************************************************************** -Gets the foreign key create info for a table stored in InnoDB. */ +Gets the foreign key create info for a table stored in InnoDB. +@return own: character string in the form which can be inserted to the CREATE TABLE statement, MUST be freed with ::free_foreign_key_create_info */ UNIV_INTERN char* ha_innobase::get_foreign_key_create_info(void) /*==========================================*/ - /* out, own: character string in the form which - can be inserted to the CREATE TABLE statement, - MUST be freed with ::free_foreign_key_create_info */ { char* str = 0; long flen; @@ -7491,12 +7460,12 @@ ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) /********************************************************************* Checks if ALTER TABLE may change the storage engine of the table. Changing storage engines is not allowed for tables for which there -are foreign key constraints (parent or child tables). */ +are foreign key constraints (parent or child tables). +@return TRUE if can switch engines */ UNIV_INTERN bool ha_innobase::can_switch_engines(void) /*=================================*/ - /* out: TRUE if can switch engines */ { bool can_switch; @@ -7521,12 +7490,12 @@ ha_innobase::can_switch_engines(void) Checks if a table is referenced by a foreign key. The MySQL manual states that a REPLACE is either equivalent to an INSERT, or DELETE(s) + INSERT. Only a delete is then allowed internally to resolve a duplicate key conflict in -REPLACE, not an update. */ +REPLACE, not an update. +@return > 0 if referenced by a FOREIGN KEY */ UNIV_INTERN uint ha_innobase::referenced_by_foreign_key(void) /*========================================*/ - /* out: > 0 if referenced by a FOREIGN KEY */ { if (dict_table_is_referenced_by_foreign_key(prebuilt->table)) { @@ -7543,7 +7512,7 @@ UNIV_INTERN void ha_innobase::free_foreign_key_create_info( /*======================================*/ - char* str) /* in, own: create info string to free */ + char* str) /*!< in, own: create info string to free */ { if (str) { my_free(str, MYF(0)); @@ -7551,14 +7520,14 @@ ha_innobase::free_foreign_key_create_info( } /*********************************************************************** -Tells something additional to the handler about how to do things. */ +Tells something additional to the handler about how to do things. +@return 0 or error number */ UNIV_INTERN int ha_innobase::extra( /*===============*/ - /* out: 0 or error number */ enum ha_extra_function operation) - /* in: HA_EXTRA_FLUSH or some other flag */ + /*!< in: HA_EXTRA_FLUSH or some other flag */ { /* Warning: since it is not sure that MySQL calls external_lock before calling this function, the trx field in prebuilt can be @@ -7638,13 +7607,13 @@ MySQL-5.0 also calls this before each statement in an execution of a stored procedure. To make the execution more deterministic for binlogging, MySQL-5.0 locks all tables involved in a stored procedure with full explicit table locks (thd_in_lock_tables(thd) holds in store_lock()) before executing the -procedure. */ +procedure. +@return 0 or error code */ UNIV_INTERN int ha_innobase::start_stmt( /*====================*/ - /* out: 0 or error code */ - THD* thd, /* in: handle to the user thread */ + THD* thd, /*!< in: handle to the user thread */ thr_lock_type lock_type) { trx_t* trx; @@ -7714,13 +7683,13 @@ ha_innobase::start_stmt( } /********************************************************************** -Maps a MySQL trx isolation level code to the InnoDB isolation level code */ +Maps a MySQL trx isolation level code to the InnoDB isolation level code +@return InnoDB isolation level */ static inline ulint innobase_map_isolation_level( /*=========================*/ - /* out: InnoDB isolation level */ - enum_tx_isolation iso) /* in: MySQL isolation level code */ + enum_tx_isolation iso) /*!< in: MySQL isolation level code */ { switch(iso) { case ISO_REPEATABLE_READ: return(TRX_ISO_REPEATABLE_READ); @@ -7738,14 +7707,14 @@ start_stmt for the handle) we can use this function to store the pointer to the THD in the handle. We will also use this function to communicate to InnoDB that a new SQL statement has started and that we must store a savepoint to our transaction handle, so that we are able to roll back -the SQL statement in case of an error. */ +the SQL statement in case of an error. +@return 0 */ UNIV_INTERN int ha_innobase::external_lock( /*=======================*/ - /* out: 0 */ - THD* thd, /* in: handle to the user thread */ - int lock_type) /* in: lock type */ + THD* thd, /*!< in: handle to the user thread */ + int lock_type) /*!< in: lock type */ { trx_t* trx; @@ -7901,14 +7870,14 @@ ha_innobase::external_lock( /********************************************************************** With this function MySQL request a transactional lock to a table when -user issued query LOCK TABLES..WHERE ENGINE = InnoDB. */ +user issued query LOCK TABLES..WHERE ENGINE = InnoDB. +@return error code */ UNIV_INTERN int ha_innobase::transactional_table_lock( /*==================================*/ - /* out: error code */ - THD* thd, /* in: handle to the user thread */ - int lock_type) /* in: lock type */ + THD* thd, /*!< in: handle to the user thread */ + int lock_type) /*!< in: lock type */ { trx_t* trx; @@ -7993,7 +7962,7 @@ ha_innobase::transactional_table_lock( } /**************************************************************************** -Here we export InnoDB status variables to MySQL. */ +Here we export InnoDB status variables to MySQL. */ static void innodb_export_status(void) @@ -8011,8 +7980,8 @@ static bool innodb_show_status( /*===============*/ - handlerton* hton, /* in: the innodb handlerton */ - THD* thd, /* in: the MySQL query thread of the caller */ + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the caller */ stat_print_fn *stat_print) { trx_t* trx; @@ -8099,8 +8068,8 @@ static bool innodb_mutex_show_status( /*=====================*/ - handlerton* hton, /* in: the innodb handlerton */ - THD* thd, /* in: the MySQL query thread of the + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the caller */ stat_print_fn* stat_print) { @@ -8323,20 +8292,19 @@ MySQL also calls this if it wants to reset some table locks to a not-locked state during the processing of an SQL query. An example is that during a SELECT the read lock is released early on the 'const' tables where we only fetch one row. MySQL does not call this when it releases all locks at the -end of an SQL statement. */ +end of an SQL statement. +@return pointer to the next element in the 'to' array */ UNIV_INTERN THR_LOCK_DATA** ha_innobase::store_lock( /*====================*/ - /* out: pointer to the next - element in the 'to' array */ - THD* thd, /* in: user thread handle */ - THR_LOCK_DATA** to, /* in: pointer to an array + THD* thd, /*!< in: user thread handle */ + THR_LOCK_DATA** to, /*!< in: pointer to an array of pointers to lock structs; pointer to the 'lock' field of current handle is stored next to this array */ - enum thr_lock_type lock_type) /* in: lock type to store in + enum thr_lock_type lock_type) /*!< in: lock type to store in 'lock'; this may also be TL_IGNORE */ { @@ -8522,13 +8490,13 @@ ha_innobase::store_lock( /******************************************************************************* Read the next autoinc value. Acquire the relevant locks before reading the AUTOINC value. If SUCCESS then the table AUTOINC mutex will be locked -on return and all relevant locks acquired. */ +on return and all relevant locks acquired. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint ha_innobase::innobase_get_autoinc( /*==============================*/ - /* out: DB_SUCCESS or error code */ - ulonglong* value) /* out: autoinc value */ + ulonglong* value) /*!< out: autoinc value */ { *value = 0; @@ -8548,12 +8516,12 @@ ha_innobase::innobase_get_autoinc( /*********************************************************************** This function reads the global auto-inc counter. It doesn't use the -AUTOINC lock even if the lock mode is set to TRADITIONAL. */ +AUTOINC lock even if the lock mode is set to TRADITIONAL. +@return the autoinc value */ UNIV_INTERN ulonglong ha_innobase::innobase_peek_autoinc(void) /*====================================*/ - /* out: the autoinc value */ { ulonglong auto_inc; dict_table_t* innodb_table; @@ -8585,11 +8553,11 @@ UNIV_INTERN void ha_innobase::get_auto_increment( /*============================*/ - ulonglong offset, /* in: */ - ulonglong increment, /* in: table autoinc increment */ - ulonglong nb_desired_values, /* in: number of values reqd */ - ulonglong *first_value, /* out: the autoinc value */ - ulonglong *nb_reserved_values) /* out: count of reserved values */ + ulonglong offset, /*!< in: */ + ulonglong increment, /*!< in: table autoinc increment */ + ulonglong nb_desired_values, /*!< in: number of values reqd */ + ulonglong *first_value, /*!< out: the autoinc value */ + ulonglong *nb_reserved_values) /*!< out: count of reserved values */ { trx_t* trx; ulint error; @@ -8687,13 +8655,13 @@ ha_innobase::get_auto_increment( Reset the auto-increment counter to the given value, i.e. the next row inserted will get the given value. This is called e.g. after TRUNCATE is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is -returned by storage engines that don't support this operation. */ +returned by storage engines that don't support this operation. +@return 0 or error code */ UNIV_INTERN int ha_innobase::reset_auto_increment( /*==============================*/ - /* out: 0 or error code */ - ulonglong value) /* in: new value for table autoinc */ + ulonglong value) /*!< in: new value for table autoinc */ { DBUG_ENTER("ha_innobase::reset_auto_increment"); @@ -8737,16 +8705,15 @@ ha_innobase::get_error_message(int error, String *buf) /*********************************************************************** Compares two 'refs'. A 'ref' is the (internal) primary key value of the row. If there is no explicitly declared non-null unique key or a primary key, then -InnoDB internally uses the row id as the primary key. */ +InnoDB internally uses the row id as the primary key. +@return < 0 if ref1 < ref2, 0 if equal, else > 0 */ UNIV_INTERN int ha_innobase::cmp_ref( /*=================*/ - /* out: < 0 if ref1 < ref2, 0 if equal, else - > 0 */ - const uchar* ref1, /* in: an (internal) primary key value in the + const uchar* ref1, /*!< in: an (internal) primary key value in the MySQL key value format */ - const uchar* ref2) /* in: an (internal) primary key value in the + const uchar* ref2) /*!< in: an (internal) primary key value in the MySQL key value format */ { enum_field_types mysql_type; @@ -8807,24 +8774,23 @@ ha_innobase::cmp_ref( } /*********************************************************************** -Ask InnoDB if a query to a table can be cached. */ +Ask InnoDB if a query to a table can be cached. +@return TRUE if query caching of the table is permitted */ UNIV_INTERN my_bool ha_innobase::register_query_cache_table( /*====================================*/ - /* out: TRUE if query caching - of the table is permitted */ - THD* thd, /* in: user thread handle */ - char* table_key, /* in: concatenation of database name, + THD* thd, /*!< in: user thread handle */ + char* table_key, /*!< in: concatenation of database name, the null character '\0', and the table name */ - uint key_length, /* in: length of the full name, i.e. + uint key_length, /*!< in: length of the full name, i.e. len(dbname) + len(tablename) + 1 */ qc_engine_callback* - call_back, /* out: pointer to function for + call_back, /*!< out: pointer to function for checking if query caching is permitted */ - ulonglong *engine_data) /* in/out: data to call_back */ + ulonglong *engine_data) /*!< in/out: data to call_back */ { *call_back = innobase_query_caching_of_table_permitted; *engine_data = 0; @@ -8854,19 +8820,18 @@ ha_innobase::get_mysql_bin_log_pos() This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function finds charset information and returns length of prefix_len characters in the -index field in bytes. */ +index field in bytes. +@return number of bytes occupied by the first n characters */ extern "C" UNIV_INTERN ulint innobase_get_at_most_n_mbchars( /*===========================*/ - /* out: number of bytes occupied by the first - n characters */ - ulint charset_id, /* in: character set id */ - ulint prefix_len, /* in: prefix length in bytes of the index + ulint charset_id, /*!< in: character set id */ + ulint prefix_len, /*!< in: prefix length in bytes of the index (this has to be divided by mbmaxlen to get the number of CHARACTERS n in the prefix) */ - ulint data_len, /* in: length of the string in bytes */ - const char* str) /* in: character string */ + ulint data_len, /*!< in: length of the string in bytes */ + const char* str) /*!< in: character string */ { ulint char_length; /* character length in bytes */ ulint n_chars; /* number of characters in prefix */ @@ -8922,16 +8887,16 @@ innobase_get_at_most_n_mbchars( } /*********************************************************************** -This function is used to prepare X/Open XA distributed transaction */ +This function is used to prepare X/Open XA distributed transaction +@return 0 or error number */ static int innobase_xa_prepare( /*================*/ - /* out: 0 or error number */ handlerton *hton, - THD* thd, /* in: handle to the MySQL thread of the user + THD* thd, /*!< in: handle to the MySQL thread of the user whose XA transaction should be prepared */ - bool all) /* in: TRUE - commit transaction + bool all) /*!< in: TRUE - commit transaction FALSE - the current SQL statement ended */ { int error = 0; @@ -9022,16 +8987,15 @@ innobase_xa_prepare( } /*********************************************************************** -This function is used to recover X/Open XA distributed transactions */ +This function is used to recover X/Open XA distributed transactions +@return number of prepared transactions stored in xid_list */ static int innobase_xa_recover( /*================*/ - /* out: number of prepared transactions - stored in xid_list */ handlerton *hton, - XID* xid_list, /* in/out: prepared transactions */ - uint len) /* in: number of slots in xid_list */ + XID* xid_list, /*!< in/out: prepared transactions */ + uint len) /*!< in: number of slots in xid_list */ { DBUG_ASSERT(hton == innodb_hton_ptr); @@ -9045,14 +9009,14 @@ innobase_xa_recover( /*********************************************************************** This function is used to commit one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return 0 or error number */ static int innobase_commit_by_xid( /*===================*/ - /* out: 0 or error number */ handlerton *hton, - XID* xid) /* in: X/Open XA transaction identification */ + XID* xid) /*!< in: X/Open XA transaction identification */ { trx_t* trx; @@ -9071,14 +9035,14 @@ innobase_commit_by_xid( /*********************************************************************** This function is used to rollback one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return 0 or error number */ static int innobase_rollback_by_xid( /*=====================*/ - /* out: 0 or error number */ handlerton *hton, - XID *xid) /* in: X/Open XA transaction identification */ + XID *xid) /*!< in: X/Open XA transaction identification */ { trx_t* trx; @@ -9097,14 +9061,14 @@ innobase_rollback_by_xid( Create a consistent view for a cursor based on current transaction which is created if the corresponding MySQL thread still lacks one. This consistent view is then used inside of MySQL when accessing records -using a cursor. */ +using a cursor. +@return pointer to cursor view or NULL */ static void* innobase_create_cursor_view( /*========================*/ - /* out: pointer to cursor view or NULL */ - handlerton *hton, /* in: innobase hton */ - THD* thd) /* in: user thread handle */ + handlerton *hton, /*!< in: innobase hton */ + THD* thd) /*!< in: user thread handle */ { DBUG_ASSERT(hton == innodb_hton_ptr); @@ -9120,8 +9084,8 @@ void innobase_close_cursor_view( /*=======================*/ handlerton *hton, - THD* thd, /* in: user thread handle */ - void* curview)/* in: Consistent read view to be closed */ + THD* thd, /*!< in: user thread handle */ + void* curview)/*!< in: Consistent read view to be closed */ { DBUG_ASSERT(hton == innodb_hton_ptr); @@ -9139,8 +9103,8 @@ void innobase_set_cursor_view( /*=====================*/ handlerton *hton, - THD* thd, /* in: user thread handle */ - void* curview)/* in: Consistent cursor view to be set */ + THD* thd, /*!< in: user thread handle */ + void* curview)/*!< in: Consistent cursor view to be set */ { DBUG_ASSERT(hton == innodb_hton_ptr); @@ -9183,13 +9147,13 @@ ha_innobase::check_if_incompatible_data( } /**************************************************************** -Validate the file format name and return its corresponding id. */ +Validate the file format name and return its corresponding id. +@return valid file format id */ static uint innobase_file_format_name_lookup( /*=============================*/ - /* out: valid file format id*/ - const char* format_name) /* in: pointer to file format name */ + const char* format_name) /*!< in: pointer to file format name */ { char* endp; uint format_id; @@ -9227,14 +9191,13 @@ innobase_file_format_name_lookup( /**************************************************************** Validate the file format check value, is it one of "on" or "off", -as a side effect it sets the srv_check_file_format_at_startup variable. */ +as a side effect it sets the srv_check_file_format_at_startup variable. +@return true if config value one of "on" or "off" */ static bool innobase_file_format_check_on_off( /*==============================*/ - /* out: true if config value one - of "on" or "off" */ - const char* format_check) /* in: parameter value */ + const char* format_check) /*!< in: parameter value */ { bool ret = true; @@ -9256,13 +9219,13 @@ innobase_file_format_check_on_off( /**************************************************************** Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. */ +sets the srv_check_file_format_at_startup variable. +@return true if valid config value */ static bool innobase_file_format_check_validate( /*================================*/ - /* out: true if valid config value */ - const char* format_check) /* in: parameter value */ + const char* format_check) /*!< in: parameter value */ { uint format_id; bool ret = true; @@ -9280,19 +9243,18 @@ innobase_file_format_check_validate( /***************************************************************** Check if it is a valid file format. This function is registered as -a callback with MySQL. */ +a callback with MySQL. +@return 0 for valid file format */ static int innodb_file_format_name_validate( /*=============================*/ - /* out: 0 for valid file - format */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* save, /* out: immediate result + void* save, /*!< out: immediate result for update function */ - struct st_mysql_value* value) /* in: incoming string */ + struct st_mysql_value* value) /*!< in: incoming string */ { const char* file_format_input; char buff[STRING_BUFFER_USUAL_SIZE]; @@ -9326,12 +9288,12 @@ static void innodb_file_format_name_update( /*===========================*/ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* var_ptr, /* out: where the + void* var_ptr, /*!< out: where the formal string goes */ - const void* save) /* in: immediate result + const void* save) /*!< in: immediate result from check function */ { ut_a(var_ptr != NULL); @@ -9346,19 +9308,18 @@ innodb_file_format_name_update( /***************************************************************** Check if valid argument to innodb_file_format_check. This -function is registered as a callback with MySQL. */ +function is registered as a callback with MySQL. +@return 0 for valid file format */ static int innodb_file_format_check_validate( /*==============================*/ - /* out: 0 for valid file - format */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* save, /* out: immediate result + void* save, /*!< out: immediate result for update function */ - struct st_mysql_value* value) /* in: incoming string */ + struct st_mysql_value* value) /*!< in: incoming string */ { const char* file_format_input; char buff[STRING_BUFFER_USUAL_SIZE]; @@ -9413,12 +9374,12 @@ static void innodb_file_format_check_update( /*============================*/ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* var_ptr, /* out: where the + void* var_ptr, /*!< out: where the formal string goes */ - const void* save) /* in: immediate result + const void* save) /*!< in: immediate result from check function */ { uint format_id; @@ -9444,12 +9405,12 @@ static void innodb_adaptive_hash_index_update( /*==============================*/ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* var_ptr, /* out: where the + void* var_ptr, /*!< out: where the formal string goes */ - const void* save) /* in: immediate result + const void* save) /*!< in: immediate result from check function */ { if (*(my_bool*) save) { @@ -9461,19 +9422,18 @@ innodb_adaptive_hash_index_update( /***************************************************************** Check if it is a valid value of innodb_change_buffering. This function is -registered as a callback with MySQL. */ +registered as a callback with MySQL. +@return 0 for valid innodb_change_buffering */ static int innodb_change_buffering_validate( /*=============================*/ - /* out: 0 for valid - innodb_change_buffering */ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to system + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* save, /* out: immediate result + void* save, /*!< out: immediate result for update function */ - struct st_mysql_value* value) /* in: incoming string */ + struct st_mysql_value* value) /*!< in: incoming string */ { const char* change_buffering_input; char buff[STRING_BUFFER_USUAL_SIZE]; @@ -9508,12 +9468,12 @@ static void innodb_change_buffering_update( /*===========================*/ - THD* thd, /* in: thread handle */ - struct st_mysql_sys_var* var, /* in: pointer to + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system variable */ - void* var_ptr, /* out: where the + void* var_ptr, /*!< out: where the formal string goes */ - const void* save) /* in: immediate result + const void* save) /*!< in: immediate result from check function */ { ut_a(var_ptr != NULL); diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 60636da4f4a..861fa9ce92e 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -255,21 +255,21 @@ typedef struct trx_struct trx_t; /************************************************************************ Converts an InnoDB error code to a MySQL error code and also tells to MySQL about a possible transaction rollback inside InnoDB caused by a lock wait -timeout or a deadlock. */ +timeout or a deadlock. +@return MySQL error code */ extern "C" int convert_error_code_to_mysql( /*========================*/ - /* out: MySQL error code */ - int error, /* in: InnoDB error code */ - ulint flags, /* in: InnoDB table flags, or 0 */ - MYSQL_THD thd); /* in: user thread handle or NULL */ + int error, /*!< in: InnoDB error code */ + ulint flags, /*!< in: InnoDB table flags, or 0 */ + MYSQL_THD thd); /*!< in: user thread handle or NULL */ /************************************************************************* -Allocates an InnoDB transaction for a MySQL handler object. */ +Allocates an InnoDB transaction for a MySQL handler object. +@return InnoDB transaction handle */ extern "C" trx_t* innobase_trx_allocate( /*==================*/ - /* out: InnoDB transaction handle */ - MYSQL_THD thd); /* in: user thread handle */ + MYSQL_THD thd); /*!< in: user thread handle */ diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 1b5466e66eb..bd379ec422e 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -43,10 +43,10 @@ static void innobase_col_to_mysql( /*==================*/ - const dict_col_t* col, /* in: InnoDB column */ - const uchar* data, /* in: InnoDB column data */ - ulint len, /* in: length of data, in bytes */ - Field* field) /* in/out: MySQL field */ + const dict_col_t* col, /*!< in: InnoDB column */ + const uchar* data, /*!< in: InnoDB column data */ + ulint len, /*!< in: length of data, in bytes */ + Field* field) /*!< in/out: MySQL field */ { uchar* ptr; uchar* dest = field->ptr; @@ -128,10 +128,10 @@ extern "C" UNIV_INTERN void innobase_rec_to_mysql( /*==================*/ - TABLE* table, /* in/out: MySQL table */ - const rec_t* rec, /* in: record */ - const dict_index_t* index, /* in: index */ - const ulint* offsets) /* in: rec_get_offsets( + TABLE* table, /*!< in/out: MySQL table */ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets) /*!< in: rec_get_offsets( rec, index, ...) */ { uint n_fields = table->s->fields; @@ -178,7 +178,7 @@ extern "C" UNIV_INTERN void innobase_rec_reset( /*===============*/ - TABLE* table) /* in/out: MySQL table */ + TABLE* table) /*!< in/out: MySQL table */ { uint n_fields = table->s->fields; uint i; @@ -194,7 +194,7 @@ static void innobase_convert_tablename( /*=======================*/ - char* s) /* in: identifier; out: decoded identifier */ + char* s) /*!< in: identifier; out: decoded identifier */ { uint errors; @@ -223,14 +223,14 @@ innobase_convert_tablename( } /*********************************************************************** -This function checks that index keys are sensible. */ +This function checks that index keys are sensible. +@return 0 or error number */ static int innobase_check_index_keys( /*======================*/ - /* out: 0 or error number */ - const KEY* key_info, /* in: Indexes to be created */ - ulint num_of_keys) /* in: Number of indexes to + const KEY* key_info, /*!< in: Indexes to be created */ + ulint num_of_keys) /*!< in: Number of indexes to be created */ { ulint key_num; @@ -328,9 +328,9 @@ static void innobase_create_index_field_def( /*============================*/ - KEY_PART_INFO* key_part, /* in: MySQL key definition */ - mem_heap_t* heap, /* in: memory heap */ - merge_index_field_t* index_field) /* out: index field + KEY_PART_INFO* key_part, /*!< in: MySQL key definition */ + mem_heap_t* heap, /*!< in: memory heap */ + merge_index_field_t* index_field) /*!< out: index field definition for key_part */ { Field* field; @@ -370,14 +370,14 @@ static void innobase_create_index_def( /*======================*/ - KEY* key, /* in: key definition */ - bool new_primary, /* in: TRUE=generating + KEY* key, /*!< in: key definition */ + bool new_primary, /*!< in: TRUE=generating a new primary key on the table */ - bool key_primary, /* in: TRUE if this key + bool key_primary, /*!< in: TRUE if this key is a primary key */ - merge_index_def_t* index, /* out: index definition */ - mem_heap_t* heap) /* in: heap where memory + merge_index_def_t* index, /*!< out: index definition */ + mem_heap_t* heap) /*!< in: heap where memory is allocated */ { ulint i; @@ -424,8 +424,8 @@ static void innobase_copy_index_field_def( /*==========================*/ - const dict_field_t* field, /* in: definition to copy */ - merge_index_field_t* index_field) /* out: copied definition */ + const dict_field_t* field, /*!< in: definition to copy */ + merge_index_field_t* index_field) /*!< out: copied definition */ { DBUG_ENTER("innobase_copy_index_field_def"); DBUG_ASSERT(field != NULL); @@ -443,9 +443,9 @@ static void innobase_copy_index_def( /*====================*/ - const dict_index_t* index, /* in: index definition to copy */ - merge_index_def_t* new_index,/* out: Index definition */ - mem_heap_t* heap) /* in: heap where allocated */ + const dict_index_t* index, /*!< in: index definition to copy */ + merge_index_def_t* new_index,/*!< out: Index definition */ + mem_heap_t* heap) /*!< in: heap where allocated */ { ulint n_fields; ulint i; @@ -490,18 +490,18 @@ ELSE ENDIF -*/ + +@return key definitions or NULL */ static merge_index_def_t* innobase_create_key_def( /*====================*/ - /* out: key definitions or NULL */ - trx_t* trx, /* in: trx */ - const dict_table_t*table, /* in: table definition */ - mem_heap_t* heap, /* in: heap where space for key + trx_t* trx, /*!< in: trx */ + const dict_table_t*table, /*!< in: table definition */ + mem_heap_t* heap, /*!< in: heap where space for key definitions are allocated */ - KEY* key_info, /* in: Indexes to be created */ - ulint& n_keys) /* in/out: Number of indexes to + KEY* key_info, /*!< in: Indexes to be created */ + ulint& n_keys) /*!< in/out: Number of indexes to be created */ { ulint i = 0; @@ -583,15 +583,15 @@ innobase_create_key_def( } /*********************************************************************** -Create a temporary tablename using query id, thread id, and id */ +Create a temporary tablename using query id, thread id, and id +@return temporary tablename */ static char* innobase_create_temporary_tablename( /*================================*/ - /* out: temporary tablename */ - mem_heap_t* heap, /* in: memory heap */ - char id, /* in: identifier [0-9a-zA-Z] */ - const char* table_name) /* in: table name */ + mem_heap_t* heap, /*!< in: memory heap */ + char id, /*!< in: identifier [0-9a-zA-Z] */ + const char* table_name) /*!< in: table name */ { char* name; ulint len; @@ -608,15 +608,15 @@ innobase_create_temporary_tablename( } /*********************************************************************** -Create indexes. */ +Create indexes. +@return 0 or error number */ UNIV_INTERN int ha_innobase::add_index( /*===================*/ - /* out: 0 or error number */ - TABLE* table, /* in: Table where indexes are created */ - KEY* key_info, /* in: Indexes to be created */ - uint num_of_keys) /* in: Number of indexes to be created */ + TABLE* table, /*!< in: Table where indexes are created */ + KEY* key_info, /*!< in: Indexes to be created */ + uint num_of_keys) /*!< in: Number of indexes to be created */ { dict_index_t** index; /* Index to be created */ dict_table_t* innodb_table; /* InnoDB table in dictionary */ @@ -912,15 +912,15 @@ convert_error: } /*********************************************************************** -Prepare to drop some indexes of a table. */ +Prepare to drop some indexes of a table. +@return 0 or error number */ UNIV_INTERN int ha_innobase::prepare_drop_index( /*============================*/ - /* out: 0 or error number */ - TABLE* table, /* in: Table where indexes are dropped */ - uint* key_num, /* in: Key nums to be dropped */ - uint num_of_keys) /* in: Number of keys to be dropped */ + TABLE* table, /*!< in: Table where indexes are dropped */ + uint* key_num, /*!< in: Key nums to be dropped */ + uint num_of_keys) /*!< in: Number of keys to be dropped */ { trx_t* trx; int err = 0; @@ -1113,13 +1113,13 @@ func_exit: } /*********************************************************************** -Drop the indexes that were passed to a successful prepare_drop_index(). */ +Drop the indexes that were passed to a successful prepare_drop_index(). +@return 0 or error number */ UNIV_INTERN int ha_innobase::final_drop_index( /*==========================*/ - /* out: 0 or error number */ - TABLE* table) /* in: Table where indexes are dropped */ + TABLE* table) /*!< in: Table where indexes are dropped */ { dict_index_t* index; /* Index to be dropped */ trx_t* trx; /* Transaction */ diff --git a/handler/i_s.cc b/handler/i_s.cc index 19562619858..0396fcfa73d 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -115,35 +115,35 @@ bool check_global_access(THD *thd, ulong want_access); Common function to fill any of the dynamic tables: INFORMATION_SCHEMA.innodb_trx INFORMATION_SCHEMA.innodb_locks -INFORMATION_SCHEMA.innodb_lock_waits */ +INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ static int trx_i_s_common_fill_table( /*======================*/ - /* out: 0 on success */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond); /* in: condition (not used) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond); /*!< in: condition (not used) */ /*********************************************************************** -Unbind a dynamic INFORMATION_SCHEMA table. */ +Unbind a dynamic INFORMATION_SCHEMA table. +@return 0 on success */ static int i_s_common_deinit( /*==============*/ - /* out: 0 on success */ - void* p); /* in/out: table schema object */ + void* p); /*!< in/out: table schema object */ /*********************************************************************** Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME -field. */ +field. +@return 0 on success */ static int field_store_time_t( /*===============*/ - /* out: 0 on success */ - Field* field, /* in/out: target field for storage */ - time_t time) /* in: value to store */ + Field* field, /*!< in/out: target field for storage */ + time_t time) /*!< in: value to store */ { MYSQL_TIME my_time; struct tm tm_time; @@ -163,14 +163,14 @@ field_store_time_t( } /*********************************************************************** -Auxiliary function to store char* value in MYSQL_TYPE_STRING field. */ +Auxiliary function to store char* value in MYSQL_TYPE_STRING field. +@return 0 on success */ static int field_store_string( /*===============*/ - /* out: 0 on success */ - Field* field, /* in/out: target field for storage */ - const char* str) /* in: NUL-terminated utf-8 string, + Field* field, /*!< in/out: target field for storage */ + const char* str) /*!< in: NUL-terminated utf-8 string, or NULL */ { int ret; @@ -191,14 +191,14 @@ field_store_string( /*********************************************************************** Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field. -If the value is ULINT_UNDEFINED then the field it set to NULL. */ +If the value is ULINT_UNDEFINED then the field it set to NULL. +@return 0 on success */ static int field_store_ulint( /*==============*/ - /* out: 0 on success */ - Field* field, /* in/out: target field for storage */ - ulint n) /* in: value to store */ + Field* field, /*!< in/out: target field for storage */ + ulint n) /*!< in: value to store */ { int ret; @@ -295,16 +295,16 @@ static ST_FIELD_INFO innodb_trx_fields_info[] = /*********************************************************************** Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_trx -table with it. */ +table with it. +@return 0 on success */ static int fill_innodb_trx_from_cache( /*=======================*/ - /* out: 0 on success */ - trx_i_s_cache_t* cache, /* in: cache to read from */ - THD* thd, /* in: used to call + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: used to call schema_table_store_record() */ - TABLE* table) /* in/out: fill this table */ + TABLE* table) /*!< in/out: fill this table */ { Field** fields; ulint rows_num; @@ -379,13 +379,13 @@ fill_innodb_trx_from_cache( } /*********************************************************************** -Bind the dynamic table INFORMATION_SCHEMA.innodb_trx */ +Bind the dynamic table INFORMATION_SCHEMA.innodb_trx +@return 0 on success */ static int innodb_trx_init( /*============*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { ST_SCHEMA_TABLE* schema; @@ -552,15 +552,15 @@ static ST_FIELD_INFO innodb_locks_fields_info[] = /*********************************************************************** Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_locks -table with it. */ +table with it. +@return 0 on success */ static int fill_innodb_locks_from_cache( /*=========================*/ - /* out: 0 on success */ - trx_i_s_cache_t* cache, /* in: cache to read from */ - THD* thd, /* in: MySQL client connection */ - TABLE* table) /* in/out: fill this table */ + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: MySQL client connection */ + TABLE* table) /*!< in/out: fill this table */ { Field** fields; ulint rows_num; @@ -659,13 +659,13 @@ fill_innodb_locks_from_cache( } /*********************************************************************** -Bind the dynamic table INFORMATION_SCHEMA.innodb_locks */ +Bind the dynamic table INFORMATION_SCHEMA.innodb_locks +@return 0 on success */ static int innodb_locks_init( /*==============*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { ST_SCHEMA_TABLE* schema; @@ -772,16 +772,16 @@ static ST_FIELD_INFO innodb_lock_waits_fields_info[] = /*********************************************************************** Read data from cache buffer and fill the -INFORMATION_SCHEMA.innodb_lock_waits table with it. */ +INFORMATION_SCHEMA.innodb_lock_waits table with it. +@return 0 on success */ static int fill_innodb_lock_waits_from_cache( /*==============================*/ - /* out: 0 on success */ - trx_i_s_cache_t* cache, /* in: cache to read from */ - THD* thd, /* in: used to call + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: used to call schema_table_store_record() */ - TABLE* table) /* in/out: fill this table */ + TABLE* table) /*!< in/out: fill this table */ { Field** fields; ulint rows_num; @@ -842,13 +842,13 @@ fill_innodb_lock_waits_from_cache( } /*********************************************************************** -Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits */ +Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ static int innodb_lock_waits_init( /*===================*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { ST_SCHEMA_TABLE* schema; @@ -915,15 +915,15 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits = Common function to fill any of the dynamic tables: INFORMATION_SCHEMA.innodb_trx INFORMATION_SCHEMA.innodb_locks -INFORMATION_SCHEMA.innodb_lock_waits */ +INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ static int trx_i_s_common_fill_table( /*======================*/ - /* out: 0 on success */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond) /* in: condition (not used) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ { const char* table_name; int ret; @@ -1074,16 +1074,16 @@ static ST_FIELD_INFO i_s_cmp_fields_info[] = /*********************************************************************** Fill the dynamic table information_schema.innodb_cmp or -innodb_cmp_reset. */ +innodb_cmp_reset. +@return 0 on success, 1 on failure */ static int i_s_cmp_fill_low( /*=============*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond, /* in: condition (ignored) */ - ibool reset) /* in: TRUE=reset cumulated counts */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond, /*!< in: condition (ignored) */ + ibool reset) /*!< in: TRUE=reset cumulated counts */ { TABLE* table = (TABLE *) tables->table; int status = 0; @@ -1131,41 +1131,41 @@ i_s_cmp_fill_low( } /*********************************************************************** -Fill the dynamic table information_schema.innodb_cmp. */ +Fill the dynamic table information_schema.innodb_cmp. +@return 0 on success, 1 on failure */ static int i_s_cmp_fill( /*=========*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond) /* in: condition (ignored) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ { return(i_s_cmp_fill_low(thd, tables, cond, FALSE)); } /*********************************************************************** -Fill the dynamic table information_schema.innodb_cmp_reset. */ +Fill the dynamic table information_schema.innodb_cmp_reset. +@return 0 on success, 1 on failure */ static int i_s_cmp_reset_fill( /*===============*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond) /* in: condition (ignored) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ { return(i_s_cmp_fill_low(thd, tables, cond, TRUE)); } /*********************************************************************** -Bind the dynamic table information_schema.innodb_cmp. */ +Bind the dynamic table information_schema.innodb_cmp. +@return 0 on success */ static int i_s_cmp_init( /*=========*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { DBUG_ENTER("i_s_cmp_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; @@ -1177,13 +1177,13 @@ i_s_cmp_init( } /*********************************************************************** -Bind the dynamic table information_schema.innodb_cmp_reset. */ +Bind the dynamic table information_schema.innodb_cmp_reset. +@return 0 on success */ static int i_s_cmp_reset_init( /*===============*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { DBUG_ENTER("i_s_cmp_reset_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; @@ -1342,16 +1342,16 @@ static ST_FIELD_INFO i_s_cmpmem_fields_info[] = /*********************************************************************** Fill the dynamic table information_schema.innodb_cmpmem or -innodb_cmpmem_reset. */ +innodb_cmpmem_reset. +@return 0 on success, 1 on failure */ static int i_s_cmpmem_fill_low( /*================*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond, /* in: condition (ignored) */ - ibool reset) /* in: TRUE=reset cumulated counts */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond, /*!< in: condition (ignored) */ + ibool reset) /*!< in: TRUE=reset cumulated counts */ { TABLE* table = (TABLE *) tables->table; int status = 0; @@ -1397,41 +1397,41 @@ i_s_cmpmem_fill_low( } /*********************************************************************** -Fill the dynamic table information_schema.innodb_cmpmem. */ +Fill the dynamic table information_schema.innodb_cmpmem. +@return 0 on success, 1 on failure */ static int i_s_cmpmem_fill( /*============*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond) /* in: condition (ignored) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ { return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE)); } /*********************************************************************** -Fill the dynamic table information_schema.innodb_cmpmem_reset. */ +Fill the dynamic table information_schema.innodb_cmpmem_reset. +@return 0 on success, 1 on failure */ static int i_s_cmpmem_reset_fill( /*==================*/ - /* out: 0 on success, 1 on failure */ - THD* thd, /* in: thread */ - TABLE_LIST* tables, /* in/out: tables to fill */ - COND* cond) /* in: condition (ignored) */ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ { return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE)); } /*********************************************************************** -Bind the dynamic table information_schema.innodb_cmpmem. */ +Bind the dynamic table information_schema.innodb_cmpmem. +@return 0 on success */ static int i_s_cmpmem_init( /*============*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { DBUG_ENTER("i_s_cmpmem_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; @@ -1443,13 +1443,13 @@ i_s_cmpmem_init( } /*********************************************************************** -Bind the dynamic table information_schema.innodb_cmpmem_reset. */ +Bind the dynamic table information_schema.innodb_cmpmem_reset. +@return 0 on success */ static int i_s_cmpmem_reset_init( /*==================*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { DBUG_ENTER("i_s_cmpmem_reset_init"); ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; @@ -1560,13 +1560,13 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset = }; /*********************************************************************** -Unbind a dynamic INFORMATION_SCHEMA table. */ +Unbind a dynamic INFORMATION_SCHEMA table. +@return 0 on success */ static int i_s_common_deinit( /*==============*/ - /* out: 0 on success */ - void* p) /* in/out: table schema object */ + void* p) /*!< in/out: table schema object */ { DBUG_ENTER("i_s_common_deinit"); diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index 4a2d8f9b58c..a3088b5498c 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -73,7 +73,7 @@ ulong* wdl_specialflag; int* wdl_my_umask; /*********************************************************************** -The preffered load-address defined in PE (portable executable format).*/ +The preffered load-address defined in PE (portable executable format). */ #if defined(_M_IA64) #pragma section(".base", long, read) extern "C" @@ -88,12 +88,12 @@ const IMAGE_DOS_HEADER __ImageBase; A template function for converting a relative address (RVA) to an absolute address (VA). This is due to the pointers in the delay descriptor (ImgDelayDescr in delayimp.h) have been changed from -VAs to RVAs to work on both 32- and 64-bit platforms. */ +VAs to RVAs to work on both 32- and 64-bit platforms. +@return absolute virtual address */ template X PFromRva( /*=======*/ - /* out: absolute virtual address */ - RVA rva) /* in: relative virtual address */ + RVA rva) /*!< in: relative virtual address */ { return X(PBYTE(&__ImageBase) + rva); } @@ -186,13 +186,13 @@ chosen to be a prime number slightly bigger than n. This is the same function as hash_create in hash0hash.c, except the memory allocation. This function is invoked before the engine is -initialized, and buffer pools are not ready yet. */ +initialized, and buffer pools are not ready yet. +@return own: created hash table */ static hash_table_t* wdl_hash_create( /*============*/ - /* out, own: created hash table */ - ulint n) /* in: number of array cells */ + ulint n) /*!< in: number of array cells */ { hash_cell_t* array; ulint prime; @@ -231,7 +231,7 @@ static void wdl_hash_table_free( /*================*/ - hash_table_t* table) /* in, own: hash table */ + hash_table_t* table) /*!< in, own: hash table */ { ut_a(table != NULL); ut_a(table->mutexes == NULL); @@ -241,13 +241,13 @@ wdl_hash_table_free( } /*********************************************************************** -Function for calculating the count of imports given the base of the IAT. */ +Function for calculating the count of imports given the base of the IAT. +@return number of imports */ static ulint wdl_import_count( /*=============*/ - /* out: number of imports */ - PCImgThunkData pitd_base) /* in: base of the IAT */ + PCImgThunkData pitd_base) /*!< in: base of the IAT */ { ulint ret = 0; PCImgThunkData pitd = pitd_base; @@ -261,14 +261,13 @@ wdl_import_count( } /*********************************************************************** -Read Mapfile to a hashtable for faster access */ +Read Mapfile to a hashtable for faster access +@return TRUE if the mapfile is loaded successfully. */ static ibool wdl_load_mapfile( /*=============*/ - /* out: TRUE if the mapfile is - loaded successfully. */ - const char* filename) /* in: name of the mapfile. */ + const char* filename) /*!< in: name of the mapfile. */ { FILE* fp; const size_t nSize = 256; @@ -396,12 +395,12 @@ wdl_cleanup(void) } /*********************************************************************** -Load the mapfile mysqld.map. */ +Load the mapfile mysqld.map. +@return the module handle */ static HMODULE wdl_get_mysqld_mapfile(void) /*========================*/ - /* out: the module handle */ { char file_name[MAX_PATH]; char* ext; @@ -447,15 +446,14 @@ wdl_get_mysqld_mapfile(void) /*********************************************************************** Retrieves the address of an exported function. It follows the convention -of GetProcAddress(). */ +of GetProcAddress(). +@return address of exported function. */ static FARPROC wdl_get_procaddr_from_map( /*======================*/ - /* out: address of exported - function. */ - HANDLE m_handle, /* in: module handle */ - const char* import_proc) /* in: procedure name */ + HANDLE m_handle, /*!< in: module handle */ + const char* import_proc) /*!< in: procedure name */ { map_hash_chain_t* hash_chain; ulint map_fold; @@ -511,15 +509,14 @@ wdl_get_procaddr_from_map( /*********************************************************************** Retrieves the address of an exported variable. -Note: It does not follow the Windows call convention FARPROC. */ +Note: It does not follow the Windows call convention FARPROC. +@return address of exported variable. */ static void* wdl_get_varaddr_from_map( /*=====================*/ - /* out: address of exported - variable. */ - HANDLE m_handle, /* in: module handle */ - const char* import_variable) /* in: variable name */ + HANDLE m_handle, /*!< in: module handle */ + const char* import_variable) /*!< in: variable name */ { map_hash_chain_t* hash_chain; ulint map_fold; @@ -574,12 +571,12 @@ wdl_get_varaddr_from_map( } /*********************************************************************** -Bind all unresolved external variables from the MySQL executable. */ +Bind all unresolved external variables from the MySQL executable. +@return TRUE if successful */ static bool wdl_get_external_variables(void) /*============================*/ - /* out: TRUE if successful */ { HMODULE hmod = wdl_get_mysqld_mapfile(); @@ -683,16 +680,15 @@ The function may fail due to one of the three reasons: * Failed to find an external name in the map file mysqld.map. Note: this function is called by run-time as well as __HrLoadAllImportsForDll. -So, it has to follow Windows call convention. */ +So, it has to follow Windows call convention. +@return the address of the imported function */ extern "C" FARPROC WINAPI __delayLoadHelper2( /*===============*/ - /* out: the address of the imported - function*/ - PCImgDelayDescr pidd, /* in: a const pointer to a + PCImgDelayDescr pidd, /*!< in: a const pointer to a ImgDelayDescr, see delayimp.h. */ - FARPROC* iat_entry) /* in/out: A pointer to the slot in + FARPROC* iat_entry) /*!< in/out: A pointer to the slot in the delay load import address table to be updated with the address of the imported function. */ @@ -817,14 +813,13 @@ __delayLoadHelper2( } /*********************************************************************** -Unload a DLL that was delay loaded. This function is called by run-time. */ +Unload a DLL that was delay loaded. This function is called by run-time. +@return TRUE is returned if the DLL is found and the IAT matches the original one. */ extern "C" BOOL WINAPI __FUnloadDelayLoadedDLL2( /*=====================*/ - /* out: TRUE is returned if the DLL is found - and the IAT matches the original one. */ - LPCSTR module_name) /* in: DLL name */ + LPCSTR module_name) /*!< in: DLL name */ { return(TRUE); } @@ -833,14 +828,13 @@ __FUnloadDelayLoadedDLL2( Load all imports from a DLL that was specified with the /delayload linker option. Note: this function is called by run-time. So, it has to follow Windows call -convention. */ +convention. +@return S_OK if the DLL matches, otherwise ERROR_MOD_NOT_FOUND is returned. */ extern "C" HRESULT WINAPI __HrLoadAllImportsForDll( /*=====================*/ - /* out: S_OK if the DLL matches, otherwise - ERROR_MOD_NOT_FOUND is returned. */ - LPCSTR module_name) /* in: DLL name */ + LPCSTR module_name) /*!< in: DLL name */ { PIMAGE_NT_HEADERS img; PCImgDelayDescr pidd; @@ -901,17 +895,17 @@ __HrLoadAllImportsForDll( } /****************************************************************** -The main function of a DLL */ +The main function of a DLL +@return TRUE if the call succeeds */ BOOL WINAPI DllMain( /*====*/ - /* out: TRUE if the call succeeds */ - HINSTANCE hinstDLL, /* in: handle to the DLL module */ - DWORD fdwReason, /* Reason code that indicates why the + HINSTANCE hinstDLL, /*!< in: handle to the DLL module */ + DWORD fdwReason, /*!< Reason code that indicates why the DLL entry-point function is being called.*/ - LPVOID lpvReserved) /* in: additional parameter based on + LPVOID lpvReserved) /*!< in: additional parameter based on fdwReason */ { BOOL success = TRUE; @@ -937,13 +931,13 @@ in mysqld.exe. The DBUG functions are defined in my_dbug.h. */ extern "C" UNIV_INTERN void _db_enter_( - const char* _func_, /* in: current function name */ - const char* _file_, /* in: current file name */ - uint _line_, /* in: current source line number */ - const char** _sfunc_, /* out: previous _func_ */ - const char** _sfile_, /* out: previous _file_ */ - uint* _slevel_, /* out: previous nesting level */ - char*** _sframep_) /* out: previous frame pointer */ + const char* _func_, /*!< in: current function name */ + const char* _file_, /*!< in: current file name */ + uint _line_, /*!< in: current source line number */ + const char** _sfunc_, /*!< out: previous _func_ */ + const char** _sfile_, /*!< out: previous _file_ */ + uint* _slevel_, /*!< out: previous nesting level */ + char*** _sframep_) /*!< out: previous frame pointer */ { if (wdl_db_enter_ != NULL) { @@ -958,10 +952,10 @@ in the server. */ extern "C" UNIV_INTERN void _db_return_( - uint _line_, /* in: current source line number */ - const char** _sfunc_, /* out: previous _func_ */ - const char** _sfile_, /* out: previous _file_ */ - uint* _slevel_) /* out: previous level */ + uint _line_, /*!< in: current source line number */ + const char** _sfunc_, /*!< out: previous _func_ */ + const char** _sfile_, /*!< out: previous _file_ */ + uint* _slevel_) /*!< out: previous level */ { if (wdl_db_return_ != NULL) { @@ -975,8 +969,8 @@ in the server. */ extern "C" UNIV_INTERN void _db_pargs_( - uint _line_, /* in: current source line number */ - const char* keyword) /* in: keyword for current macro */ + uint _line_, /*!< in: current source line number */ + const char* keyword) /*!< in: keyword for current macro */ { if (wdl_db_pargs_ != NULL) { @@ -991,8 +985,8 @@ truncated to the size of buffer. */ extern "C" UNIV_INTERN void _db_doprnt_( - const char* format, /* in: the format string */ - ...) /* in: list of arguments */ + const char* format, /*!< in: the format string */ + ...) /*!< in: list of arguments */ { va_list argp; char buffer[512]; @@ -1012,11 +1006,11 @@ Dump a string in hex. It makes the call to _db_dump_() in the server. */ extern "C" UNIV_INTERN void _db_dump_( - uint _line_, /* in: current source line + uint _line_, /*!< in: current source line number */ - const char* keyword, /* in: keyword list */ - const unsigned char* memory, /* in: memory to dump */ - size_t length) /* in: bytes to dump */ + const char* keyword, /*!< in: keyword list */ + const unsigned char* memory, /*!< in: memory to dump */ + size_t length) /*!< in: bytes to dump */ { if (wdl_db_dump_ != NULL) { diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 6560dafe3ed..ca217b31f6e 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -209,8 +209,8 @@ UNIV_INLINE void ibuf_count_check( /*=============*/ - ulint space_id, /* in: space identifier */ - ulint page_no) /* in: page number */ + ulint space_id, /*!< in: space identifier */ + ulint page_no) /*!< in: page number */ { if (space_id < IBUF_COUNT_N_SPACES && page_no < IBUF_COUNT_N_PAGES) { return; @@ -327,25 +327,24 @@ ibuf_exit(void) /********************************************************************** Returns TRUE if the current OS thread is performing an insert buffer -routine. */ +routine. +@return TRUE if inside an insert buffer routine: for instance, a read-ahead of non-ibuf pages is then forbidden */ UNIV_INTERN ibool ibuf_inside(void) /*=============*/ - /* out: TRUE if inside an insert buffer routine: for instance, - a read-ahead of non-ibuf pages is then forbidden */ { return(*thr_local_get_in_ibuf_field()); } /********************************************************************** -Gets the ibuf header page and x-latches it. */ +Gets the ibuf header page and x-latches it. +@return insert buffer header page */ static page_t* ibuf_header_page_get( /*=================*/ - /* out: insert buffer header page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; @@ -359,13 +358,13 @@ ibuf_header_page_get( } /********************************************************************** -Gets the root page and x-latches it. */ +Gets the root page and x-latches it. +@return insert buffer tree root page */ static page_t* ibuf_tree_root_get( /*===============*/ - /* out: insert buffer tree root page */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; @@ -383,15 +382,14 @@ ibuf_tree_root_get( #ifdef UNIV_IBUF_COUNT_DEBUG /********************************************************************** -Gets the ibuf count for a given page. */ +Gets the ibuf count for a given page. +@return number of entries in the insert buffer currently buffered for this page */ UNIV_INTERN ulint ibuf_count_get( /*===========*/ - /* out: number of entries in the insert buffer - currently buffered for this page */ - ulint space, /* in: space id */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ { ibuf_count_check(space, page_no); @@ -404,9 +402,9 @@ static void ibuf_count_set( /*===========*/ - ulint space, /* in: space id */ - ulint page_no,/* in: page number */ - ulint val) /* in: value to set */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: page number */ + ulint val) /*!< in: value to set */ { ibuf_count_check(space, page_no); ut_a(val < UNIV_PAGE_SIZE); @@ -422,8 +420,8 @@ static void ibuf_size_update( /*=============*/ - const page_t* root, /* in: ibuf tree root */ - mtr_t* mtr) /* in: mtr */ + const page_t* root, /*!< in: ibuf tree root */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mutex_own(&ibuf_mutex)); @@ -540,8 +538,8 @@ UNIV_INTERN void ibuf_bitmap_page_init( /*==================*/ - buf_block_t* block, /* in: bitmap page */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: bitmap page */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; ulint byte_offset; @@ -571,16 +569,16 @@ ibuf_bitmap_page_init( } /************************************************************************* -Parses a redo log record of an ibuf bitmap page init. */ +Parses a redo log record of an ibuf bitmap page init. +@return end of log record or NULL */ UNIV_INTERN byte* ibuf_parse_bitmap_init( /*===================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ - buf_block_t* block, /* in: block or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ut_ad(ptr && end_ptr); @@ -592,20 +590,20 @@ ibuf_parse_bitmap_init( } #ifndef UNIV_HOTBACKUP /************************************************************************ -Gets the desired bits for a given page from a bitmap page. */ +Gets the desired bits for a given page from a bitmap page. +@return value of bits */ UNIV_INLINE ulint ibuf_bitmap_page_get_bits( /*======================*/ - /* out: value of bits */ - const page_t* page, /* in: bitmap page */ - ulint page_no,/* in: page whose bits to get */ - ulint zip_size,/* in: compressed page size in bytes; + const page_t* page, /*!< in: bitmap page */ + ulint page_no,/*!< in: page whose bits to get */ + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint bit, /* in: IBUF_BITMAP_FREE, + ulint bit, /*!< in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ mtr_t* mtr __attribute__((unused))) - /* in: mtr containing an + /*!< in: mtr containing an x-latch to the bitmap page */ { ulint byte_offset; @@ -652,13 +650,13 @@ static void ibuf_bitmap_page_set_bits( /*======================*/ - page_t* page, /* in: bitmap page */ - ulint page_no,/* in: page whose bits to set */ - ulint zip_size,/* in: compressed page size in bytes; + page_t* page, /*!< in: bitmap page */ + ulint page_no,/*!< in: page whose bits to set */ + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint bit, /* in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ - ulint val, /* in: value to set */ - mtr_t* mtr) /* in: mtr containing an x-latch to the bitmap page */ + ulint bit, /*!< in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ + ulint val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr containing an x-latch to the bitmap page */ { ulint byte_offset; ulint bit_offset; @@ -706,16 +704,15 @@ ibuf_bitmap_page_set_bits( } /************************************************************************ -Calculates the bitmap page number for a given page number. */ +Calculates the bitmap page number for a given page number. +@return the bitmap page number where the file page is mapped */ UNIV_INLINE ulint ibuf_bitmap_page_no_calc( /*=====================*/ - /* out: the bitmap page number where - the file page is mapped */ - ulint zip_size, /* in: compressed page size in bytes; + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no) /* in: tablespace page number */ + ulint page_no) /*!< in: tablespace page number */ { ut_ad(ut_is_2pow(zip_size)); @@ -730,20 +727,17 @@ ibuf_bitmap_page_no_calc( /************************************************************************ Gets the ibuf bitmap page where the bits describing a given file page are -stored. */ +stored. +@return bitmap page where the file page is mapped, that is, the bitmap page containing the descriptor bits for the file page; the bitmap page is x-latched */ static page_t* ibuf_bitmap_get_map_page( /*=====================*/ - /* out: bitmap page where the file page is mapped, - that is, the bitmap page containing the descriptor - bits for the file page; the bitmap page is - x-latched */ - ulint space, /* in: space id of the file page */ - ulint page_no,/* in: page number of the file page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint space, /*!< in: space id of the file page */ + ulint page_no,/*!< in: page number of the file page */ + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; @@ -764,13 +758,13 @@ UNIV_INLINE void ibuf_set_free_bits_low( /*===================*/ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - const buf_block_t* block, /* in: index page; free bits are set if + const buf_block_t* block, /*!< in: index page; free bits are set if the index is non-clustered and page level is 0 */ - ulint val, /* in: value to set: < 4 */ - mtr_t* mtr) /* in/out: mtr */ + ulint val, /*!< in: value to set: < 4 */ + mtr_t* mtr) /*!< in/out: mtr */ { page_t* bitmap_page; ulint space; @@ -807,14 +801,14 @@ UNIV_INTERN void ibuf_set_free_bits_func( /*====================*/ - buf_block_t* block, /* in: index page of a non-clustered index; + buf_block_t* block, /*!< in: index page of a non-clustered index; free bit is reset if page level is 0 */ #ifdef UNIV_IBUF_DEBUG - ulint max_val,/* in: ULINT_UNDEFINED or a maximum + ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum value which the bits must have before setting; this is for debugging */ #endif /* UNIV_IBUF_DEBUG */ - ulint val) /* in: value to set: < 4 */ + ulint val) /*!< in: value to set: < 4 */ { mtr_t mtr; page_t* page; @@ -881,7 +875,7 @@ UNIV_INTERN void ibuf_reset_free_bits( /*=================*/ - buf_block_t* block) /* in: index page; free bits are set to 0 + buf_block_t* block) /*!< in: index page; free bits are set to 0 if the index is a non-clustered non-unique, and page level is 0 */ { @@ -900,13 +894,13 @@ UNIV_INTERN void ibuf_update_free_bits_low( /*======================*/ - const buf_block_t* block, /* in: index page */ - ulint max_ins_size, /* in: value of + const buf_block_t* block, /*!< in: index page */ + ulint max_ins_size, /*!< in: value of maximum insert size with reorganize before the latest operation performed to the page */ - mtr_t* mtr) /* in/out: mtr */ + mtr_t* mtr) /*!< in/out: mtr */ { ulint before; ulint after; @@ -938,8 +932,8 @@ UNIV_INTERN void ibuf_update_free_bits_zip( /*======================*/ - buf_block_t* block, /* in/out: index page */ - mtr_t* mtr) /* in/out: mtr */ + buf_block_t* block, /*!< in/out: index page */ + mtr_t* mtr) /*!< in/out: mtr */ { page_t* bitmap_page; ulint space; @@ -982,11 +976,11 @@ UNIV_INTERN void ibuf_update_free_bits_for_two_pages_low( /*====================================*/ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - buf_block_t* block1, /* in: index page */ - buf_block_t* block2, /* in: index page */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block1, /*!< in: index page */ + buf_block_t* block2, /*!< in: index page */ + mtr_t* mtr) /*!< in: mtr */ { ulint state; @@ -1008,16 +1002,16 @@ ibuf_update_free_bits_for_two_pages_low( } /************************************************************************** -Returns TRUE if the page is one of the fixed address ibuf pages. */ +Returns TRUE if the page is one of the fixed address ibuf pages. +@return TRUE if a fixed address ibuf i/o page */ UNIV_INLINE ibool ibuf_fixed_addr_page( /*=================*/ - /* out: TRUE if a fixed address ibuf i/o page */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes; + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no)/* in: page number */ + ulint page_no)/*!< in: page number */ { return((space == IBUF_SPACE_ID && page_no == IBUF_TREE_ROOT_PAGE_NO) || ibuf_bitmap_page(zip_size, page_no)); @@ -1025,16 +1019,16 @@ ibuf_fixed_addr_page( /*************************************************************************** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. -Must not be called when recv_no_ibuf_operations==TRUE. */ +Must not be called when recv_no_ibuf_operations==TRUE. +@return TRUE if level 2 or level 3 page */ UNIV_INTERN ibool ibuf_page( /*======*/ - /* out: TRUE if level 2 or level 3 page */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no,/* in: page number */ - mtr_t* mtr) /* in: mtr which will contain an x-latch to the + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number */ + mtr_t* mtr) /*!< in: mtr which will contain an x-latch to the bitmap page if the page is not one of the fixed address ibuf pages, or NULL, in which case a new transaction is created. */ @@ -1073,13 +1067,13 @@ ibuf_page( } /************************************************************************ -Returns the page number field of an ibuf record. */ +Returns the page number field of an ibuf record. +@return page number */ static ulint ibuf_rec_get_page_no( /*=================*/ - /* out: page number */ - const rec_t* rec) /* in: ibuf record */ + const rec_t* rec) /*!< in: ibuf record */ { const byte* field; ulint len; @@ -1108,13 +1102,13 @@ ibuf_rec_get_page_no( /************************************************************************ Returns the space id field of an ibuf record. For < 4.1.x format records -returns 0. */ +returns 0. +@return space id */ static ulint ibuf_rec_get_space( /*===============*/ - /* out: space id */ - const rec_t* rec) /* in: ibuf record */ + const rec_t* rec) /*!< in: ibuf record */ { const byte* field; ulint len; @@ -1146,13 +1140,13 @@ static void ibuf_rec_get_info( /*==============*/ - const rec_t* rec, /* in: ibuf record */ - ibuf_op_t* op, /* out: operation type, or NULL */ - ibool* comp, /* out: compact flag, or NULL */ - ulint* info_len, /* out: length of info fields at the + const rec_t* rec, /*!< in: ibuf record */ + ibuf_op_t* op, /*!< out: operation type, or NULL */ + ibool* comp, /*!< out: compact flag, or NULL */ + ulint* info_len, /*!< out: length of info fields at the start of the fourth field, or NULL */ - ulint* counter) /* in: counter value, or NULL */ + ulint* counter) /*!< in: counter value, or NULL */ { const byte* types; ulint fields; @@ -1214,13 +1208,13 @@ ibuf_rec_get_info( } /******************************************************************** -Returns the operation type field of an ibuf record. */ +Returns the operation type field of an ibuf record. +@return operation type */ static ibuf_op_t ibuf_rec_get_op_type( /*=================*/ - /* out: operation type */ - const rec_t* rec) /* in: ibuf record */ + const rec_t* rec) /*!< in: ibuf record */ { ulint len; const byte* field; @@ -1245,15 +1239,13 @@ ibuf_rec_get_op_type( /******************************************************************** Read the first two bytes from a record's fourth field (counter field in new -records; something else in older records). */ +records; something else in older records). +@return "counter" field, or ULINT_UNDEFINED if for some reason it can't be read */ UNIV_INTERN ulint ibuf_rec_get_counter( /*=================*/ - /* out: "counter" field, - or ULINT_UNDEFINED if for - some reason it can't be read */ - const rec_t* rec) /* in: ibuf record */ + const rec_t* rec) /*!< in: ibuf record */ { const byte* ptr; ulint len; @@ -1281,8 +1273,8 @@ static void ibuf_add_ops( /*=========*/ - ulint* arr, /* in/out: array to modify */ - const ulint* ops) /* in: operation counts */ + ulint* arr, /*!< in/out: array to modify */ + const ulint* ops) /*!< in: operation counts */ { ulint i; @@ -1298,8 +1290,8 @@ static void ibuf_print_ops( /*===========*/ - const ulint* ops, /* in: operation counts */ - FILE* file) /* in: file where to print */ + const ulint* ops, /*!< in: operation counts */ + FILE* file) /*!< in: file where to print */ { static const char* op_names[] = { "insert", @@ -1320,14 +1312,14 @@ ibuf_print_ops( /************************************************************************ Creates a dummy index for inserting a record to a non-clustered index. -*/ + +@return dummy index */ static dict_index_t* ibuf_dummy_index_create( /*====================*/ - /* out: dummy index */ - ulint n, /* in: number of fields */ - ibool comp) /* in: TRUE=use compact record format */ + ulint n, /*!< in: number of fields */ + ibool comp) /*!< in: TRUE=use compact record format */ { dict_table_t* table; dict_index_t* index; @@ -1352,9 +1344,9 @@ static void ibuf_dummy_index_add_col( /*=====================*/ - dict_index_t* index, /* in: dummy index */ - const dtype_t* type, /* in: the data type of the column */ - ulint len) /* in: length of the column */ + dict_index_t* index, /*!< in: dummy index */ + const dtype_t* type, /*!< in: the data type of the column */ + ulint len) /*!< in: length of the column */ { ulint i = index->table->n_def; dict_mem_table_add_col(index->table, NULL, NULL, @@ -1366,12 +1358,12 @@ ibuf_dummy_index_add_col( } /************************************************************************ Deallocates a dummy index for inserting a record to a non-clustered index. -*/ + */ static void ibuf_dummy_index_free( /*==================*/ - dict_index_t* index) /* in: dummy index */ + dict_index_t* index) /*!< in: dummy index */ { dict_table_t* table = index->table; @@ -1381,20 +1373,15 @@ ibuf_dummy_index_free( /************************************************************************* Builds the entry to insert into a non-clustered index when we have the -corresponding record in an ibuf index. */ +corresponding record in an ibuf index. +@return own: entry to insert to a non-clustered index; NOTE that as we copy pointers to fields in ibuf_rec, the caller must hold a latch to the ibuf_rec page as long as the entry is used! */ UNIV_INLINE dtuple_t* ibuf_build_entry_pre_4_1_x( /*=======================*/ - /* out, own: entry to insert to - a non-clustered index; NOTE that - as we copy pointers to fields in - ibuf_rec, the caller must hold a - latch to the ibuf_rec page as long - as the entry is used! */ - const rec_t* ibuf_rec, /* in: record in an insert buffer */ - mem_heap_t* heap, /* in: heap where built */ - dict_index_t** pindex) /* out, own: dummy index that + const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ + mem_heap_t* heap, /*!< in: heap where built */ + dict_index_t** pindex) /*!< out, own: dummy index that describes the entry */ { ulint i; @@ -1442,20 +1429,15 @@ Builds the entry used to 3) IBUF_OP_DELETE: find the record we need to delete -when we have the corresponding record in an ibuf index. */ +when we have the corresponding record in an ibuf index. +@return own: entry to insert to a non-clustered index; NOTE that as we copy pointers to fields in ibuf_rec, the caller must hold a latch to the ibuf_rec page as long as the entry is used! */ static dtuple_t* ibuf_build_entry_from_ibuf_rec( /*===========================*/ - /* out, own: entry to insert to - a non-clustered index; NOTE that - as we copy pointers to fields in - ibuf_rec, the caller must hold a - latch to the ibuf_rec page as long - as the entry is used! */ - const rec_t* ibuf_rec, /* in: record in an insert buffer */ - mem_heap_t* heap, /* in: heap where built */ - dict_index_t** pindex) /* out, own: dummy index that + const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ + mem_heap_t* heap, /*!< in: heap where built */ + dict_index_t** pindex) /*!< out, own: dummy index that describes the entry */ { dtuple_t* tuple; @@ -1525,18 +1507,18 @@ ibuf_build_entry_from_ibuf_rec( } /********************************************************************** -Get the data size. */ +Get the data size. +@return size of fields */ UNIV_INLINE ulint ibuf_rec_get_size( /*==============*/ - /* out: size of fields */ - const rec_t* rec, /* in: ibuf record */ - const byte* types, /* in: fields */ - ulint n_fields, /* in: number of fields */ - ibool pre_4_1, /* in: TRUE=pre-4.1 format, + const rec_t* rec, /*!< in: ibuf record */ + const byte* types, /*!< in: fields */ + ulint n_fields, /*!< in: number of fields */ + ibool pre_4_1, /*!< in: TRUE=pre-4.1 format, FALSE=newer */ - ulint comp) /* in: 0=ROW_FORMAT=REDUNDANT, + ulint comp) /*!< in: 0=ROW_FORMAT=REDUNDANT, nonzero=ROW_FORMAT=COMPACT */ { ulint i; @@ -1578,15 +1560,13 @@ ibuf_rec_get_size( /************************************************************************ Returns the space taken by a stored non-clustered index entry if converted to -an index record. */ +an index record. +@return size of index record in bytes + an upper limit of the space taken in the page directory */ static ulint ibuf_rec_get_volume( /*================*/ - /* out: size of index record in bytes - + an upper limit of the space taken in the - page directory */ - const rec_t* ibuf_rec)/* in: ibuf record */ + const rec_t* ibuf_rec)/*!< in: ibuf record */ { ulint len; const byte* data; @@ -1663,24 +1643,21 @@ ibuf_rec_get_volume( /************************************************************************* Builds the tuple to insert to an ibuf tree when we have an entry for a -non-clustered index. */ +non-clustered index. +@return own: entry to insert into an ibuf index tree; NOTE that the original entry must be kept because we copy pointers to its fields */ static dtuple_t* ibuf_entry_build( /*=============*/ - /* out, own: entry to insert into an ibuf - index tree; NOTE that the original entry - must be kept because we copy pointers to its - fields */ - ibuf_op_t op, /* in: operation type */ - dict_index_t* index, /* in: non-clustered index */ - const dtuple_t* entry, /* in: entry for a non-clustered index */ - ulint space, /* in: space id */ - ulint page_no,/* in: index page number where entry should + ibuf_op_t op, /*!< in: operation type */ + dict_index_t* index, /*!< in: non-clustered index */ + const dtuple_t* entry, /*!< in: entry for a non-clustered index */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where entry should be inserted */ - ulint counter,/* in: counter value; + ulint counter,/*!< in: counter value; ULINT_UNDEFINED=not used */ - mem_heap_t* heap) /* in: heap into which to build */ + mem_heap_t* heap) /*!< in: heap into which to build */ { dtuple_t* tuple; dfield_t* field; @@ -1829,15 +1806,15 @@ ibuf_entry_build( /************************************************************************* Builds a search tuple used to search buffered inserts for an index page. -This is for < 4.1.x format records */ +This is for < 4.1.x format records +@return own: search tuple */ static dtuple_t* ibuf_search_tuple_build( /*====================*/ - /* out, own: search tuple */ - ulint space, /* in: space id */ - ulint page_no,/* in: index page number */ - mem_heap_t* heap) /* in: heap into which to build */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number */ + mem_heap_t* heap) /*!< in: heap into which to build */ { dtuple_t* tuple; dfield_t* field; @@ -1866,15 +1843,15 @@ ibuf_search_tuple_build( /************************************************************************* Builds a search tuple used to search buffered inserts for an index page. -This is for >= 4.1.x format records. */ +This is for >= 4.1.x format records. +@return own: search tuple */ static dtuple_t* ibuf_new_search_tuple_build( /*========================*/ - /* out, own: search tuple */ - ulint space, /* in: space id */ - ulint page_no,/* in: index page number */ - mem_heap_t* heap) /* in: heap into which to build */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number */ + mem_heap_t* heap) /*!< in: heap into which to build */ { dtuple_t* tuple; dfield_t* field; @@ -1921,12 +1898,12 @@ ibuf_new_search_tuple_build( /************************************************************************* Checks if there are enough pages in the free list of the ibuf tree that we -dare to start a pessimistic insert to the insert buffer. */ +dare to start a pessimistic insert to the insert buffer. +@return TRUE if enough free pages in list */ UNIV_INLINE ibool ibuf_data_enough_free_for_insert(void) /*==================================*/ - /* out: TRUE if enough free pages in list */ { ut_ad(mutex_own(&ibuf_mutex)); @@ -1941,12 +1918,12 @@ ibuf_data_enough_free_for_insert(void) /************************************************************************* Checks if there are enough pages in the free list of the ibuf tree that we -should remove them and free to the file space management. */ +should remove them and free to the file space management. +@return TRUE if enough free pages in list */ UNIV_INLINE ibool ibuf_data_too_much_free(void) /*=========================*/ - /* out: TRUE if enough free pages in list */ { ut_ad(mutex_own(&ibuf_mutex)); @@ -1955,13 +1932,12 @@ ibuf_data_too_much_free(void) /************************************************************************* Allocates a new page from the ibuf file segment and adds it to the free -list. */ +list. +@return DB_SUCCESS, or DB_STRONG_FAIL if no space left */ static ulint ibuf_add_free_page(void) /*====================*/ - /* out: DB_SUCCESS, or DB_STRONG_FAIL - if no space left */ { mtr_t mtr; page_t* header_page; @@ -2226,27 +2202,26 @@ ibuf_free_excess_pages(void) } /************************************************************************* -Reads page numbers from a leaf in an ibuf tree. */ +Reads page numbers from a leaf in an ibuf tree. +@return a lower limit for the combined volume of records which will be merged */ static ulint ibuf_get_merge_page_nos( /*====================*/ - /* out: a lower limit for the combined volume - of records which will be merged */ - ibool contract,/* in: TRUE if this function is called to + ibool contract,/*!< in: TRUE if this function is called to contract the tree, FALSE if this is called when a single page becomes full and we look if it pays to read also nearby pages */ - rec_t* rec, /* in: record from which we read up and down + rec_t* rec, /*!< in: record from which we read up and down in the chain of records */ - ulint* space_ids,/* in/out: space id's of the pages */ - ib_int64_t* space_versions,/* in/out: tablespace version + ulint* space_ids,/*!< in/out: space id's of the pages */ + ib_int64_t* space_versions,/*!< in/out: tablespace version timestamps; used to prevent reading in old pages after DISCARD + IMPORT tablespace */ - ulint* page_nos,/* in/out: buffer for at least + ulint* page_nos,/*!< in/out: buffer for at least IBUF_MAX_N_PAGES_MERGED many page numbers; the page numbers are in an ascending order */ - ulint* n_stored)/* out: number of page numbers stored to + ulint* n_stored)/*!< out: number of page numbers stored to page_nos in this function */ { ulint prev_page_no; @@ -2399,16 +2374,14 @@ ibuf_get_merge_page_nos( } /************************************************************************* -Contracts insert buffer trees by reading pages to the buffer pool. */ +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ static ulint ibuf_contract_ext( /*==============*/ - /* out: a lower limit for the combined size in bytes - of entries which will be merged from ibuf trees to the - pages read, 0 if ibuf is empty */ - ulint* n_pages,/* out: number of pages to which merged */ - ibool sync) /* in: TRUE if the caller wants to wait for the + ulint* n_pages,/*!< out: number of pages to which merged */ + ibool sync) /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ { @@ -2495,15 +2468,13 @@ ibuf_is_empty: } /************************************************************************* -Contracts insert buffer trees by reading pages to the buffer pool. */ +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ UNIV_INTERN ulint ibuf_contract( /*==========*/ - /* out: a lower limit for the combined size in bytes - of entries which will be merged from ibuf trees to the - pages read, 0 if ibuf is empty */ - ibool sync) /* in: TRUE if the caller wants to wait for the + ibool sync) /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ { @@ -2513,18 +2484,16 @@ ibuf_contract( } /************************************************************************* -Contracts insert buffer trees by reading pages to the buffer pool. */ +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ UNIV_INTERN ulint ibuf_contract_for_n_pages( /*======================*/ - /* out: a lower limit for the combined size in bytes - of entries which will be merged from ibuf trees to the - pages read, 0 if ibuf is empty */ - ibool sync, /* in: TRUE if the caller wants to wait for the + ibool sync, /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ - ulint n_pages)/* in: try to read at least this many pages to + ulint n_pages)/*!< in: try to read at least this many pages to the buffer pool and merge the ibuf contents to them */ { @@ -2553,7 +2522,7 @@ UNIV_INLINE void ibuf_contract_after_insert( /*=======================*/ - ulint entry_size) /* in: size of a record which was inserted + ulint entry_size) /*!< in: size of a record which was inserted into an ibuf tree */ { ibool sync; @@ -2589,20 +2558,19 @@ ibuf_contract_after_insert( } /************************************************************************* -Determine if an insert buffer record has been encountered already. */ +Determine if an insert buffer record has been encountered already. +@return TRUE if a new record, FALSE if possible duplicate */ static ibool ibuf_get_volume_buffered_hash( /*==========================*/ - /* out: TRUE if a new record, - FALSE if possible duplicate */ - const rec_t* rec, /* in: ibuf record in post-4.1 format */ - const byte* types, /* in: fields */ - const byte* data, /* in: start of user record data */ - ulint comp, /* in: 0=ROW_FORMAT=REDUNDANT, + const rec_t* rec, /*!< in: ibuf record in post-4.1 format */ + const byte* types, /*!< in: fields */ + const byte* data, /*!< in: start of user record data */ + ulint comp, /*!< in: 0=ROW_FORMAT=REDUNDANT, nonzero=ROW_FORMAT=COMPACT */ - byte* hash, /* in/out: hash array */ - ulint size) /* in: size of hash array, in bytes */ + byte* hash, /*!< in/out: hash array */ + ulint size) /*!< in: size of hash array, in bytes */ { ulint len; ulint fold; @@ -2628,18 +2596,16 @@ ibuf_get_volume_buffered_hash( /************************************************************************* Update the estimate of the number of records on a page, and -get the space taken by merging the buffered record to the index page. */ +get the space taken by merging the buffered record to the index page. +@return size of index record in bytes + an upper limit of the space taken in the page directory */ static ulint ibuf_get_volume_buffered_count( /*===========================*/ - /* out: size of index record in bytes - + an upper limit of the space taken in the - page directory */ - const rec_t* rec, /* in: insert buffer record */ - byte* hash, /* in/out: hash array */ - ulint size, /* in: size of hash array, in bytes */ - lint* n_recs) /* in/out: estimated number of records + const rec_t* rec, /*!< in: insert buffer record */ + byte* hash, /*!< in/out: hash array */ + ulint size, /*!< in: size of hash array, in bytes */ + lint* n_recs) /*!< in/out: estimated number of records on the page that rec points to */ { ulint len; @@ -2747,27 +2713,23 @@ get_volume_comp: /************************************************************************* Gets an upper limit for the combined size of inserts buffered for a -given page. */ +given page. +@return upper limit for the volume of buffered inserts for the index page, in bytes; we may also return UNIV_PAGE_SIZE, if the entries for the index page span several pages in the insert buffer */ static ulint ibuf_get_volume_buffered( /*=====================*/ - /* out: upper limit for the volume of - buffered inserts for the index page, in bytes; - we may also return UNIV_PAGE_SIZE, if the - entries for the index page span several - pages in the insert buffer */ - btr_pcur_t* pcur, /* in: pcur positioned at a place in an + btr_pcur_t* pcur, /*!< in: pcur positioned at a place in an insert buffer tree where we would insert an entry for the index page whose number is page_no, latch mode has to be BTR_MODIFY_PREV or BTR_MODIFY_TREE */ - ulint space, /* in: space id */ - ulint page_no,/* in: page number of an index page */ - lint* n_recs, /* in/out: minimum number of records on the + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: page number of an index page */ + lint* n_recs, /*!< in/out: minimum number of records on the page after the buffered changes have been applied, or NULL to disable the counting */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint volume; rec_t* rec; @@ -2993,15 +2955,15 @@ ibuf_update_max_tablespace_id(void) /******************************************************************** Helper function for ibuf_set_entry_counter. Checks if rec is for (space, page_no), and if so, reads counter value from it and returns that + 1. -Otherwise, returns 0. */ +Otherwise, returns 0. +@return new counter value */ static ulint ibuf_get_entry_counter_low( /*=======================*/ - /* out: new counter value */ - const rec_t* rec, /* in: insert buffer record */ - ulint space, /* in: space id */ - ulint page_no) /* in: page number */ + const rec_t* rec, /*!< in: insert buffer record */ + ulint space, /*!< in: space id */ + ulint page_no) /*!< in: page number */ { ulint counter; const byte* field; @@ -3059,21 +3021,20 @@ ibuf_get_entry_counter_low( /******************************************************************** Set the counter field in entry to the correct value based on the current -last record in ibuf for (space, page_no). */ +last record in ibuf for (space, page_no). +@return FALSE if we should abort this insertion to ibuf */ static ibool ibuf_set_entry_counter( /*===================*/ - /* out: FALSE if we should abort - this insertion to ibuf */ - dtuple_t* entry, /* in/out: entry to patch */ - ulint space, /* in: space id of entry */ - ulint page_no, /* in: page number of entry */ - btr_pcur_t* pcur, /* in: pcur positioned on the record + dtuple_t* entry, /*!< in/out: entry to patch */ + ulint space, /*!< in: space id of entry */ + ulint page_no, /*!< in: page number of entry */ + btr_pcur_t* pcur, /*!< in: pcur positioned on the record found by btr_pcur_open(.., entry, PAGE_CUR_LE, ..., pcur, ...) */ - ibool is_optimistic, /* in: is this an optimistic insert */ - mtr_t* mtr) /* in: mtr */ + ibool is_optimistic, /*!< in: is this an optimistic insert */ + mtr_t* mtr) /*!< in: mtr */ { ulint counter; dfield_t* field; @@ -3196,26 +3157,26 @@ ibuf_set_entry_counter( /************************************************************************* Makes an index insert to the insert buffer, instead of directly to the disk -page, if this is possible. */ +page, if this is possible. +@return DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ static ulint ibuf_insert_low( /*============*/ - /* out: DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ - ulint mode, /* in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ - ibuf_op_t op, /* in: operation type */ + ulint mode, /*!< in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ + ibuf_op_t op, /*!< in: operation type */ ibool no_counter, - /* in: TRUE=use 5.0.3 format; + /*!< in: TRUE=use 5.0.3 format; FALSE=allow delete buffering */ - const dtuple_t* entry, /* in: index entry to insert */ + const dtuple_t* entry, /*!< in: index entry to insert */ ulint entry_size, - /* in: rec_get_converted_size(index, entry) */ - dict_index_t* index, /* in: index where to insert; must not be + /*!< in: rec_get_converted_size(index, entry) */ + dict_index_t* index, /*!< in: index where to insert; must not be unique or clustered */ - ulint space, /* in: space id where to insert */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no,/* in: page number where to insert */ - que_thr_t* thr) /* in: query thread */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr) /*!< in: query thread */ { big_rec_t* dummy_big_rec; btr_pcur_t pcur; @@ -3517,19 +3478,19 @@ function_exit: /************************************************************************* Buffer an operation in the insert/delete buffer, instead of doing it directly to the disk page, if this is possible. Does not do it if the index -is clustered or unique. */ +is clustered or unique. +@return TRUE if success */ UNIV_INTERN ibool ibuf_insert( /*========*/ - /* out: TRUE if success */ - ibuf_op_t op, /* in: operation type */ - const dtuple_t* entry, /* in: index entry to insert */ - dict_index_t* index, /* in: index where to insert */ - ulint space, /* in: space id where to insert */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no,/* in: page number where to insert */ - que_thr_t* thr) /* in: query thread */ + ibuf_op_t op, /*!< in: operation type */ + const dtuple_t* entry, /*!< in: index entry to insert */ + dict_index_t* index, /*!< in: index where to insert */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; ulint entry_size; @@ -3654,11 +3615,11 @@ static void ibuf_insert_to_index_page( /*======================*/ - dtuple_t* entry, /* in: buffered entry to insert */ - buf_block_t* block, /* in/out: index page where the buffered entry + dtuple_t* entry, /*!< in: buffered entry to insert */ + buf_block_t* block, /*!< in/out: index page where the buffered entry should be placed */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t page_cur; ulint low_match; @@ -3795,10 +3756,10 @@ static void ibuf_set_del_mark( /*==============*/ - const dtuple_t* entry, /* in: entry */ - buf_block_t* block, /* in/out: block */ - const dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + const dtuple_t* entry, /*!< in: entry */ + buf_block_t* block, /*!< in/out: block */ + const dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t page_cur; ulint low_match; @@ -3828,10 +3789,10 @@ static void ibuf_delete( /*========*/ - const dtuple_t* entry, /* in: entry */ - buf_block_t* block, /* in/out: block */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + const dtuple_t* entry, /*!< in: entry */ + buf_block_t* block, /*!< in/out: block */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t page_cur; ulint low_match; @@ -3902,21 +3863,20 @@ ibuf_delete( /************************************************************************* Deletes from ibuf the record on which pcur is positioned. If we have to resort to a pessimistic delete, this function commits mtr and closes -the cursor. */ +the cursor. +@return TRUE if mtr was committed and pcur closed in this operation */ static ibool ibuf_delete_rec( /*============*/ - /* out: TRUE if mtr was committed and pcur - closed in this operation */ - ulint space, /* in: space id */ - ulint page_no,/* in: index page number where the record + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where the record should belong */ - btr_pcur_t* pcur, /* in: pcur positioned on the record to + btr_pcur_t* pcur, /*!< in: pcur positioned on the record to delete, having latch mode BTR_MODIFY_LEAF */ const dtuple_t* search_tuple, - /* in: search tuple for entries of page_no */ - mtr_t* mtr) /* in: mtr */ + /*!< in: search tuple for entries of page_no */ + mtr_t* mtr) /*!< in: mtr */ { ibool success; page_t* root; @@ -4026,14 +3986,14 @@ UNIV_INTERN void ibuf_merge_or_delete_for_page( /*==========================*/ - buf_block_t* block, /* in: if page has been read from + buf_block_t* block, /*!< in: if page has been read from disk, pointer to the page x-latched, else NULL */ - ulint space, /* in: space id of the index page */ - ulint page_no,/* in: page number of the index page */ - ulint zip_size,/* in: compressed page size in bytes, + ulint space, /*!< in: space id of the index page */ + ulint page_no,/*!< in: page number of the index page */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ibool update_ibuf_bitmap)/* in: normally this is set + ibool update_ibuf_bitmap)/*!< in: normally this is set to TRUE, but if we have deleted or are deleting the tablespace, then we naturally do not want to update a @@ -4383,7 +4343,7 @@ UNIV_INTERN void ibuf_delete_for_discarded_space( /*============================*/ - ulint space) /* in: space id */ + ulint space) /*!< in: space id */ { mem_heap_t* heap; btr_pcur_t pcur; @@ -4473,12 +4433,12 @@ leave_loop: } /********************************************************************** -Looks if the insert buffer is empty. */ +Looks if the insert buffer is empty. +@return TRUE if empty */ UNIV_INTERN ibool ibuf_is_empty(void) /*===============*/ - /* out: TRUE if empty */ { ibool is_empty; const page_t* root; @@ -4525,7 +4485,7 @@ UNIV_INTERN void ibuf_print( /*=======*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { #ifdef UNIV_IBUF_COUNT_DEBUG ulint i; diff --git a/include/btr0btr.h b/include/btr0btr.h index d89c291a638..fa483c4632c 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -82,104 +82,104 @@ buffer. */ #define BTR_DELETE 8192 /****************************************************************** -Gets the root node of a tree and x-latches it. */ +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ UNIV_INTERN page_t* btr_root_get( /*=========*/ - /* out: root page, x-latched */ - dict_index_t* index, /* in: index tree */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Gets a buffer page and declares its latching order level. */ UNIV_INLINE buf_block_t* btr_block_get( /*==========*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - ulint mode, /* in: latch mode */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Gets a buffer page and declares its latching order level. */ UNIV_INLINE page_t* btr_page_get( /*=========*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - ulint mode, /* in: latch mode */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /****************************************************************** -Gets the index id field of a page. */ +Gets the index id field of a page. +@return index id */ UNIV_INLINE dulint btr_page_get_index_id( /*==================*/ - /* out: index id */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ #ifndef UNIV_HOTBACKUP /************************************************************ -Gets the node level field in an index page. */ +Gets the node level field in an index page. +@return level, leaf level == 0 */ UNIV_INLINE ulint btr_page_get_level_low( /*===================*/ - /* out: level, leaf level == 0 */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /************************************************************ -Gets the node level field in an index page. */ +Gets the node level field in an index page. +@return level, leaf level == 0 */ UNIV_INLINE ulint btr_page_get_level( /*===============*/ - /* out: level, leaf level == 0 */ - const page_t* page, /* in: index page */ - mtr_t* mtr); /* in: mini-transaction handle */ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ -Gets the next index page number. */ +Gets the next index page number. +@return next page number */ UNIV_INLINE ulint btr_page_get_next( /*==============*/ - /* out: next page number */ - const page_t* page, /* in: index page */ - mtr_t* mtr); /* in: mini-transaction handle */ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ -Gets the previous index page number. */ +Gets the previous index page number. +@return prev page number */ UNIV_INLINE ulint btr_page_get_prev( /*==============*/ - /* out: prev page number */ - const page_t* page, /* in: index page */ - mtr_t* mtr); /* in: mini-transaction handle */ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /***************************************************************** Gets pointer to the previous user record in the tree. It is assumed -that the caller has appropriate latches on the page and its neighbor. */ +that the caller has appropriate latches on the page and its neighbor. +@return previous user record, NULL if there is none */ UNIV_INTERN rec_t* btr_get_prev_user_rec( /*==================*/ - /* out: previous user record, NULL if there is none */ - rec_t* rec, /* in: record on leaf level */ - mtr_t* mtr); /* in: mtr holding a latch on the page, and if + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if needed, also to the previous page */ /***************************************************************** Gets pointer to the next user record in the tree. It is assumed -that the caller has appropriate latches on the page and its neighbor. */ +that the caller has appropriate latches on the page and its neighbor. +@return next user record, NULL if there is none */ UNIV_INTERN rec_t* btr_get_next_user_rec( /*==================*/ - /* out: next user record, NULL if there is none */ - rec_t* rec, /* in: record on leaf level */ - mtr_t* mtr); /* in: mtr holding a latch on the page, and if + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if needed, also to the next page */ /****************************************************************** Releases the latch on a leaf page and bufferunfixes it. */ @@ -187,34 +187,33 @@ UNIV_INLINE void btr_leaf_page_release( /*==================*/ - buf_block_t* block, /* in: buffer block */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF or + buf_block_t* block, /*!< in: buffer block */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** -Gets the child node file address in a node pointer. */ +Gets the child node file address in a node pointer. +@return child node address */ UNIV_INLINE ulint btr_node_ptr_get_child_page_no( /*===========================*/ - /* out: child node address */ - const rec_t* rec, /* in: node pointer record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const rec_t* rec, /*!< in: node pointer record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /**************************************************************** -Creates the root node for a new index tree. */ +Creates the root node for a new index tree. +@return page number of the created root, FIL_NULL if did not succeed */ UNIV_INTERN ulint btr_create( /*=======*/ - /* out: page number of the created root, - FIL_NULL if did not succeed */ - ulint type, /* in: type of the index */ - ulint space, /* in: space where created */ - ulint zip_size,/* in: compressed page size in bytes + ulint type, /*!< in: type of the index */ + ulint space, /*!< in: space where created */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - dulint index_id,/* in: index id */ - dict_index_t* index, /* in: index */ - mtr_t* mtr); /* in: mini-transaction handle */ + dulint index_id,/*!< in: index id */ + dict_index_t* index, /*!< in: index */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /**************************************************************** Frees a B-tree except the root page, which MUST be freed after this by calling btr_free_root. */ @@ -222,76 +221,76 @@ UNIV_INTERN void btr_free_but_not_root( /*==================*/ - ulint space, /* in: space where created */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint root_page_no); /* in: root page number */ + ulint root_page_no); /*!< in: root page number */ /**************************************************************** Frees the B-tree root page. Other tree MUST already have been freed. */ UNIV_INTERN void btr_free_root( /*==========*/ - ulint space, /* in: space where created */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint root_page_no, /* in: root page number */ - mtr_t* mtr); /* in: a mini-transaction which has already + ulint root_page_no, /*!< in: root page number */ + mtr_t* mtr); /*!< in: a mini-transaction which has already been started */ /***************************************************************** Makes tree one level higher by splitting the root, and inserts the tuple. It is assumed that mtr contains an x-latch on the tree. NOTE that the operation of this function must always succeed, we cannot reverse it: therefore enough free disk space must be -guaranteed to be available before this function is called. */ +guaranteed to be available before this function is called. +@return inserted record */ UNIV_INTERN rec_t* btr_root_raise_and_insert( /*======================*/ - /* out: inserted record */ - btr_cur_t* cursor, /* in: cursor at which to insert: must be + btr_cur_t* cursor, /*!< in: cursor at which to insert: must be on the root page; when the function returns, the cursor is positioned on the predecessor of the inserted record */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr); /* in: mtr */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Reorganizes an index page. IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the -modification will be redo-logged. */ +modification will be redo-logged. +@return TRUE on success, FALSE on failure */ UNIV_INTERN ibool btr_page_reorganize( /*================*/ - /* out: TRUE on success, FALSE on failure */ - buf_block_t* block, /* in: page to be reorganized */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr */ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Decides if the page should be split at the convergence point of -inserts converging to left. */ +inserts converging to left. +@return TRUE if split recommended */ UNIV_INTERN ibool btr_page_get_split_rec_to_left( /*===========================*/ - /* out: TRUE if split recommended */ - btr_cur_t* cursor, /* in: cursor at which to insert */ - rec_t** split_rec);/* out: if split recommended, + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec);/*!< out: if split recommended, the first record on upper half page, or NULL if tuple should be first */ /***************************************************************** Decides if the page should be split at the convergence point of -inserts converging to right. */ +inserts converging to right. +@return TRUE if split recommended */ UNIV_INTERN ibool btr_page_get_split_rec_to_right( /*============================*/ - /* out: TRUE if split recommended */ - btr_cur_t* cursor, /* in: cursor at which to insert */ - rec_t** split_rec);/* out: if split recommended, + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec);/*!< out: if split recommended, the first record on upper half page, or NULL if tuple should be first */ /***************************************************************** @@ -300,20 +299,18 @@ that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is released within this function! NOTE that the operation of this function must always succeed, we cannot reverse it: therefore enough free disk space must be guaranteed to be available before -this function is called. */ +this function is called. +@return inserted record; NOTE: the tree x-latch is released! NOTE: 2 free disk pages must be available! */ UNIV_INTERN rec_t* btr_page_split_and_insert( /*======================*/ - /* out: inserted record; NOTE: the tree - x-latch is released! NOTE: 2 free disk - pages must be available! */ - btr_cur_t* cursor, /* in: cursor at which to insert; when the + btr_cur_t* cursor, /*!< in: cursor at which to insert; when the function returns, the cursor is positioned on the predecessor of the inserted record */ - const dtuple_t* tuple, /* in: tuple to insert */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr); /* in: mtr */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mtr */ /*********************************************************** Inserts a data tuple to a tree on a non-leaf level. It is assumed that mtr holds an x-latch on the tree. */ @@ -321,10 +318,10 @@ UNIV_INTERN void btr_insert_on_non_leaf_level( /*=========================*/ - dict_index_t* index, /* in: index */ - ulint level, /* in: level, must be > 0 */ - dtuple_t* tuple, /* in: the record to be inserted */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: level, must be > 0 */ + dtuple_t* tuple, /*!< in: the record to be inserted */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /******************************************************************** Sets a record as the predefined minimum record. */ @@ -332,8 +329,8 @@ UNIV_INTERN void btr_set_min_rec_mark( /*=================*/ - rec_t* rec, /* in/out: record */ - mtr_t* mtr); /* in: mtr */ + rec_t* rec, /*!< in/out: record */ + mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP /***************************************************************** Deletes on the upper level the node pointer to a page. */ @@ -341,20 +338,20 @@ UNIV_INTERN void btr_node_ptr_delete( /*================*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: page whose node pointer is deleted */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page whose node pointer is deleted */ + mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_DEBUG /**************************************************************** -Checks that the node pointer to a page is appropriate. */ +Checks that the node pointer to a page is appropriate. +@return TRUE */ UNIV_INTERN ibool btr_check_node_ptr( /*===============*/ - /* out: TRUE */ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: index page */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + mtr_t* mtr); /*!< in: mtr */ #endif /* UNIV_DEBUG */ /***************************************************************** Tries to merge the page first to the left immediate brother if such a @@ -364,17 +361,17 @@ conditions, looks at the right brother. If the page is the only one on that level lifts the records of the page to the father page, thus reducing the tree height. It is assumed that mtr holds an x-latch on the tree and on the page. If cursor is on the leaf level, mtr must also hold x-latches to -the brothers, if they exist. */ +the brothers, if they exist. +@return TRUE on success */ UNIV_INTERN ibool btr_compress( /*=========*/ - /* out: TRUE on success */ - btr_cur_t* cursor, /* in: cursor on the page to merge or lift; + btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; the page must not be empty: in record delete use btr_discard_page if the page would become empty */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Discards a page from a B-tree. This is used to remove the last record from a B-tree page: the whole page must be removed at the same time. This cannot @@ -383,61 +380,60 @@ UNIV_INTERN void btr_discard_page( /*=============*/ - btr_cur_t* cursor, /* in: cursor on the page to discard: not on + btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on the root page */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /******************************************************************** Parses the redo log record for setting an index record as the predefined -minimum record. */ +minimum record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_parse_set_min_rec_mark( /*=======================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint comp, /* in: nonzero=compact page format */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ /*************************************************************** -Parses a redo log record of reorganizing a page. */ +Parses a redo log record of reorganizing a page. +@return end of log record or NULL */ UNIV_INTERN byte* btr_parse_page_reorganize( /*======================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - dict_index_t* index, /* in: record descriptor */ - buf_block_t* block, /* in: page to be reorganized, or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + dict_index_t* index, /*!< in: record descriptor */ + buf_block_t* block, /*!< in: page to be reorganized, or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ #ifndef UNIV_HOTBACKUP /****************************************************************** -Gets the number of pages in a B-tree. */ +Gets the number of pages in a B-tree. +@return number of pages */ UNIV_INTERN ulint btr_get_size( /*=========*/ - /* out: number of pages */ - dict_index_t* index, /* in: index */ - ulint flag); /* in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ + dict_index_t* index, /*!< in: index */ + ulint flag); /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ /****************************************************************** Allocates a new file page to be used in an index tree. NOTE: we assume -that the caller has made the reservation for free extents! */ +that the caller has made the reservation for free extents! +@return new allocated block, x-latched; NULL if out of space */ UNIV_INTERN buf_block_t* btr_page_alloc( /*===========*/ - /* out: new allocated block, x-latched; - NULL if out of space */ - dict_index_t* index, /* in: index tree */ - ulint hint_page_no, /* in: hint of a good page */ - byte file_direction, /* in: direction where a possible + dict_index_t* index, /*!< in: index tree */ + ulint hint_page_no, /*!< in: hint of a good page */ + byte file_direction, /*!< in: direction where a possible page split is made */ - ulint level, /* in: level where the page is placed + ulint level, /*!< in: level where the page is placed in the tree */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Frees a file page used in an index tree. NOTE: cannot free field external storage pages because the page must contain info on its level. */ @@ -445,9 +441,9 @@ UNIV_INTERN void btr_page_free( /*==========*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: block to be freed, x-latched */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Frees a file page used in an index tree. Can be used also to BLOB external storage pages, because the page level 0 can be given as an @@ -456,10 +452,10 @@ UNIV_INTERN void btr_page_free_low( /*==============*/ - dict_index_t* index, /* in: index tree */ - buf_block_t* block, /* in: block to be freed, x-latched */ - ulint level, /* in: page level */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + ulint level, /*!< in: page level */ + mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_BTR_PRINT /***************************************************************** Prints size info of a B-tree. */ @@ -467,39 +463,39 @@ UNIV_INTERN void btr_print_size( /*===========*/ - dict_index_t* index); /* in: index tree */ + dict_index_t* index); /*!< in: index tree */ /****************************************************************** Prints directories and other info of all nodes in the index. */ UNIV_INTERN void btr_print_index( /*============*/ - dict_index_t* index, /* in: index */ - ulint width); /* in: print this many entries from start + dict_index_t* index, /*!< in: index */ + ulint width); /*!< in: print this many entries from start and end */ #endif /* UNIV_BTR_PRINT */ /**************************************************************** Checks the size and number of fields in a record based on the definition of -the index. */ +the index. +@return TRUE if ok */ UNIV_INTERN ibool btr_index_rec_validate( /*===================*/ - /* out: TRUE if ok */ - const rec_t* rec, /* in: index record */ - const dict_index_t* index, /* in: index */ - ibool dump_on_error); /* in: TRUE if the function + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index, /*!< in: index */ + ibool dump_on_error); /*!< in: TRUE if the function should print hex dump of record and page on error */ /****************************************************************** -Checks the consistency of an index tree. */ +Checks the consistency of an index tree. +@return TRUE if ok */ UNIV_INTERN ibool btr_validate_index( /*===============*/ - /* out: TRUE if ok */ - dict_index_t* index, /* in: index */ - trx_t* trx); /* in: transaction or NULL */ + dict_index_t* index, /*!< in: index */ + trx_t* trx); /*!< in: transaction or NULL */ #define BTR_N_LEAF_PAGES 1 #define BTR_TOTAL_SIZE 2 diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 600f2a75402..69de61ac514 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -36,12 +36,12 @@ UNIV_INLINE buf_block_t* btr_block_get( /*==========*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - ulint mode, /* in: latch mode */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; @@ -61,12 +61,12 @@ UNIV_INLINE page_t* btr_page_get( /*=========*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - ulint mode, /* in: latch mode */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr) /*!< in: mtr */ { return(buf_block_get_frame(btr_block_get(space, zip_size, page_no, mode, mtr))); @@ -78,11 +78,11 @@ UNIV_INLINE void btr_page_set_index_id( /*==================*/ - page_t* page, /* in: page to be created */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + page_t* page, /*!< in: page to be created */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - dulint id, /* in: index id */ - mtr_t* mtr) /* in: mtr */ + dulint id, /*!< in: index id */ + mtr_t* mtr) /*!< in: mtr */ { if (UNIV_LIKELY_NULL(page_zip)) { mach_write_to_8(page + (PAGE_HEADER + PAGE_INDEX_ID), id); @@ -97,26 +97,26 @@ btr_page_set_index_id( #endif /* !UNIV_HOTBACKUP */ /****************************************************************** -Gets the index id field of a page. */ +Gets the index id field of a page. +@return index id */ UNIV_INLINE dulint btr_page_get_index_id( /*==================*/ - /* out: index id */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { return(mach_read_from_8(page + PAGE_HEADER + PAGE_INDEX_ID)); } #ifndef UNIV_HOTBACKUP /************************************************************ -Gets the node level field in an index page. */ +Gets the node level field in an index page. +@return level, leaf level == 0 */ UNIV_INLINE ulint btr_page_get_level_low( /*===================*/ - /* out: level, leaf level == 0 */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { ulint level; @@ -130,15 +130,15 @@ btr_page_get_level_low( } /************************************************************ -Gets the node level field in an index page. */ +Gets the node level field in an index page. +@return level, leaf level == 0 */ UNIV_INLINE ulint btr_page_get_level( /*===============*/ - /* out: level, leaf level == 0 */ - const page_t* page, /* in: index page */ + const page_t* page, /*!< in: index page */ mtr_t* mtr __attribute__((unused))) - /* in: mini-transaction handle */ + /*!< in: mini-transaction handle */ { ut_ad(page && mtr); @@ -151,11 +151,11 @@ UNIV_INLINE void btr_page_set_level( /*===============*/ - page_t* page, /* in: index page */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - ulint level, /* in: level, leaf level == 0 */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint level, /*!< in: level, leaf level == 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(page && mtr); ut_ad(level <= BTR_MAX_NODE_LEVEL); @@ -172,15 +172,15 @@ btr_page_set_level( } /************************************************************ -Gets the next index page number. */ +Gets the next index page number. +@return next page number */ UNIV_INLINE ulint btr_page_get_next( /*==============*/ - /* out: next page number */ - const page_t* page, /* in: index page */ + const page_t* page, /*!< in: index page */ mtr_t* mtr __attribute__((unused))) - /* in: mini-transaction handle */ + /*!< in: mini-transaction handle */ { ut_ad(page && mtr); ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX) @@ -195,11 +195,11 @@ UNIV_INLINE void btr_page_set_next( /*==============*/ - page_t* page, /* in: index page */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - ulint next, /* in: next page number */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint next, /*!< in: next page number */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(page && mtr); @@ -212,14 +212,14 @@ btr_page_set_next( } /************************************************************ -Gets the previous index page number. */ +Gets the previous index page number. +@return prev page number */ UNIV_INLINE ulint btr_page_get_prev( /*==============*/ - /* out: prev page number */ - const page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ + const page_t* page, /*!< in: index page */ + mtr_t* mtr __attribute__((unused))) /*!< in: mini-transaction handle */ { ut_ad(page && mtr); @@ -232,11 +232,11 @@ UNIV_INLINE void btr_page_set_prev( /*==============*/ - page_t* page, /* in: index page */ - page_zip_des_t* page_zip,/* in: compressed page whose uncompressed + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed part will be updated, or NULL */ - ulint prev, /* in: previous page number */ - mtr_t* mtr) /* in: mini-transaction handle */ + ulint prev, /*!< in: previous page number */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(page && mtr); @@ -249,14 +249,14 @@ btr_page_set_prev( } /****************************************************************** -Gets the child node file address in a node pointer. */ +Gets the child node file address in a node pointer. +@return child node address */ UNIV_INLINE ulint btr_node_ptr_get_child_page_no( /*===========================*/ - /* out: child node address */ - const rec_t* rec, /* in: node pointer record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const rec_t* rec, /*!< in: node pointer record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { const byte* field; ulint len; @@ -289,10 +289,10 @@ UNIV_INLINE void btr_leaf_page_release( /*==================*/ - buf_block_t* block, /* in: buffer block */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF or + buf_block_t* block, /*!< in: buffer block */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(latch_mode == BTR_SEARCH_LEAF || latch_mode == BTR_MODIFY_LEAF); ut_ad(!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)); diff --git a/include/btr0cur.h b/include/btr0cur.h index 3fd7e07a291..c4ff142fadd 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -46,75 +46,73 @@ Created 10/16/1994 Heikki Tuuri #ifdef UNIV_DEBUG /************************************************************* -Returns the page cursor component of a tree cursor. */ +Returns the page cursor component of a tree cursor. +@return pointer to page cursor component */ UNIV_INLINE page_cur_t* btr_cur_get_page_cur( /*=================*/ - /* out: pointer to page cursor - component */ - const btr_cur_t* cursor);/* in: tree cursor */ + const btr_cur_t* cursor);/*!< in: tree cursor */ #else /* UNIV_DEBUG */ # define btr_cur_get_page_cur(cursor) (&(cursor)->page_cur) #endif /* UNIV_DEBUG */ /************************************************************* -Returns the buffer block on which the tree cursor is positioned. */ +Returns the buffer block on which the tree cursor is positioned. +@return pointer to buffer block */ UNIV_INLINE buf_block_t* btr_cur_get_block( /*==============*/ - /* out: pointer to buffer block */ - btr_cur_t* cursor);/* in: tree cursor */ + btr_cur_t* cursor);/*!< in: tree cursor */ /************************************************************* -Returns the record pointer of a tree cursor. */ +Returns the record pointer of a tree cursor. +@return pointer to record */ UNIV_INLINE rec_t* btr_cur_get_rec( /*============*/ - /* out: pointer to record */ - btr_cur_t* cursor);/* in: tree cursor */ + btr_cur_t* cursor);/*!< in: tree cursor */ /************************************************************* -Returns the compressed page on which the tree cursor is positioned. */ +Returns the compressed page on which the tree cursor is positioned. +@return pointer to compressed page, or NULL if the page is not compressed */ UNIV_INLINE page_zip_des_t* btr_cur_get_page_zip( /*=================*/ - /* out: pointer to compressed page, - or NULL if the page is not compressed */ - btr_cur_t* cursor);/* in: tree cursor */ + btr_cur_t* cursor);/*!< in: tree cursor */ /************************************************************* Invalidates a tree cursor by setting record pointer to NULL. */ UNIV_INLINE void btr_cur_invalidate( /*===============*/ - btr_cur_t* cursor);/* in: tree cursor */ + btr_cur_t* cursor);/*!< in: tree cursor */ /************************************************************* -Returns the page of a tree cursor. */ +Returns the page of a tree cursor. +@return pointer to page */ UNIV_INLINE page_t* btr_cur_get_page( /*=============*/ - /* out: pointer to page */ - btr_cur_t* cursor);/* in: tree cursor */ + btr_cur_t* cursor);/*!< in: tree cursor */ /************************************************************* -Returns the index of a cursor. */ +Returns the index of a cursor. +@return index */ UNIV_INLINE dict_index_t* btr_cur_get_index( /*==============*/ - /* out: index */ - btr_cur_t* cursor);/* in: B-tree cursor */ + btr_cur_t* cursor);/*!< in: B-tree cursor */ /************************************************************* Positions a tree cursor at a given record. */ UNIV_INLINE void btr_cur_position( /*=============*/ - dict_index_t* index, /* in: index */ - rec_t* rec, /* in: record in tree */ - buf_block_t* block, /* in: buffer block of rec */ - btr_cur_t* cursor);/* in: cursor */ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record in tree */ + buf_block_t* block, /*!< in: buffer block of rec */ + btr_cur_t* cursor);/*!< in: cursor */ /************************************************************************ Searches an index tree and positions a tree cursor on a given level. NOTE: n_fields_cmp in tuple must be set so that it cannot be compared @@ -126,19 +124,19 @@ UNIV_INTERN void btr_cur_search_to_nth_level( /*========================*/ - dict_index_t* index, /* in: index */ - ulint level, /* in: the tree level of search */ - const dtuple_t* tuple, /* in: data tuple; NOTE: n_fields_cmp in + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the tree level of search */ + const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in tuple must be set so that it cannot get compared to the node ptr page number field! */ - ulint mode, /* in: PAGE_CUR_L, ...; + ulint mode, /*!< in: PAGE_CUR_L, ...; NOTE that if the search is made using a unique prefix of a record, mode should be PAGE_CUR_LE, not PAGE_CUR_GE, as the latter may end up on the previous page of the record! Inserts should always be made using PAGE_CUR_LE to search the position! */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ..., ORed with + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with BTR_INSERT and BTR_ESTIMATE; cursor->left_block is used to store a pointer to the left neighbor page, in the cases @@ -148,60 +146,59 @@ btr_cur_search_to_nth_level( on the cursor page, we assume the caller uses his search latch to protect the record! */ - btr_cur_t* cursor, /* in/out: tree cursor; the cursor page is + btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is s- or x-latched, but see also above! */ - ulint has_search_latch,/* in: latch mode the caller + ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Opens a cursor at either end of an index. */ UNIV_INTERN void btr_cur_open_at_index_side( /*=======================*/ - ibool from_left, /* in: TRUE if open to the low end, + ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: latch mode */ - btr_cur_t* cursor, /* in: cursor */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_cur_t* cursor, /*!< in: cursor */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INTERN void btr_cur_open_at_rnd_pos( /*====================*/ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /* in/out: B-tree cursor */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Tries to perform an insert to a page in an index tree, next to cursor. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page. If there is just one record on the page, the insert will always succeed; this is to -prevent trying to split a page with just one record. */ +prevent trying to split a page with just one record. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ UNIV_INTERN ulint btr_cur_optimistic_insert( /*======================*/ - /* out: DB_SUCCESS, DB_WAIT_LOCK, - DB_FAIL, or error number */ - ulint flags, /* in: undo logging and locking flags: if not + ulint flags, /*!< in: undo logging and locking flags: if not zero, the parameters index and thr should be specified */ - btr_cur_t* cursor, /* in: cursor on page after which to insert; + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; cursor stays valid */ - dtuple_t* entry, /* in/out: entry to insert */ - rec_t** rec, /* out: pointer to inserted record if + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if succeed */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - ulint n_ext, /* in: number of externally stored columns */ - que_thr_t* thr, /* in: query thread or NULL */ - mtr_t* mtr); /* in: mtr; if this function returns + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr); /*!< in: mtr; if this function returns DB_SUCCESS on a leaf page of a secondary index in a compressed tablespace, the mtr must be committed before latching @@ -210,154 +207,147 @@ btr_cur_optimistic_insert( Performs an insert on a page of an index tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the insert is made on the leaf level, to avoid deadlocks, mtr must also own x-latches -to brothers of page, if those brothers exist. */ +to brothers of page, if those brothers exist. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint btr_cur_pessimistic_insert( /*=======================*/ - /* out: DB_SUCCESS or error number */ - ulint flags, /* in: undo logging and locking flags: if not + ulint flags, /*!< in: undo logging and locking flags: if not zero, the parameter thr should be specified; if no undo logging is specified, then the caller must have reserved enough free extents in the file space so that the insertion will certainly succeed */ - btr_cur_t* cursor, /* in: cursor after which to insert; + btr_cur_t* cursor, /*!< in: cursor after which to insert; cursor stays valid */ - dtuple_t* entry, /* in/out: entry to insert */ - rec_t** rec, /* out: pointer to inserted record if + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if succeed */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - ulint n_ext, /* in: number of externally stored columns */ - que_thr_t* thr, /* in: query thread or NULL */ - mtr_t* mtr); /* in: mtr */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** -Updates a record when the update causes no size changes in its fields. */ +Updates a record when the update causes no size changes in its fields. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint btr_cur_update_in_place( /*====================*/ - /* out: DB_SUCCESS or error number */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor on the record to update; + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; cursor stays valid and positioned on the same record */ - const upd_t* update, /* in: update vector */ - ulint cmpl_info,/* in: compiler info on secondary index + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ /***************************************************************** Tries to update a record on a page in an index tree. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page or if the update would result in too empty a page, -so that tree compression is recommended. */ +so that tree compression is recommended. +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if there is not enough space left on the compressed page */ UNIV_INTERN ulint btr_cur_optimistic_update( /*======================*/ - /* out: DB_SUCCESS, or DB_OVERFLOW if the - updated record does not fit, DB_UNDERFLOW - if the page would become too empty, or - DB_ZIP_OVERFLOW if there is not enough - space left on the compressed page */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor on the record to update; + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; cursor stays valid and positioned on the same record */ - const upd_t* update, /* in: update vector; this must also + const upd_t* update, /*!< in: update vector; this must also contain trx id and roll ptr fields */ - ulint cmpl_info,/* in: compiler info on secondary index + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ /***************************************************************** Performs an update of a record on a page of a tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the update is made on the leaf level, to avoid deadlocks, mtr must also -own x-latches to brothers of page, if those brothers exist. */ +own x-latches to brothers of page, if those brothers exist. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint btr_cur_pessimistic_update( /*=======================*/ - /* out: DB_SUCCESS or error code */ - ulint flags, /* in: undo logging, locking, and rollback + ulint flags, /*!< in: undo logging, locking, and rollback flags */ - btr_cur_t* cursor, /* in: cursor on the record to update */ - mem_heap_t** heap, /* in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/* out: big rec vector whose fields have to + btr_cur_t* cursor, /*!< in: cursor on the record to update */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to be stored externally by the caller, or NULL */ - const upd_t* update, /* in: update vector; this is allowed also + const upd_t* update, /*!< in: update vector; this is allowed also contain trx id and roll ptr fields, but the values in update vector have no effect */ - ulint cmpl_info,/* in: compiler info on secondary index + ulint cmpl_info,/*!< in: compiler info on secondary index updates */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr; must be committed before + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ /*************************************************************** Marks a clustered index record deleted. Writes an undo log record to undo log on this delete marking. Writes in the trx id field the id of the deleting transaction, and in the roll ptr field pointer to the -undo log record created. */ +undo log record created. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN ulint btr_cur_del_mark_set_clust_rec( /*===========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, or error - number */ - ulint flags, /* in: undo logging and locking flags */ - btr_cur_t* cursor, /* in: cursor */ - ibool val, /* in: value to set */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr */ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr */ /*************************************************************** -Sets a secondary index record delete mark to TRUE or FALSE. */ +Sets a secondary index record delete mark to TRUE or FALSE. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN ulint btr_cur_del_mark_set_sec_rec( /*=========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, or error - number */ - ulint flags, /* in: locking flag */ - btr_cur_t* cursor, /* in: cursor */ - ibool val, /* in: value to set */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in: mtr */ + ulint flags, /*!< in: locking flag */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Tries to compress a page of the tree if it seems useful. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those brothers exist. NOTE: it is assumed that the caller has reserved enough -free extents so that the compression will always succeed if done! */ +free extents so that the compression will always succeed if done! +@return TRUE if compression occurred */ UNIV_INTERN ibool btr_cur_compress_if_useful( /*=======================*/ - /* out: TRUE if compression occurred */ - btr_cur_t* cursor, /* in: cursor on the page to compress; + btr_cur_t* cursor, /*!< in: cursor on the page to compress; cursor does not stay valid if compression occurs */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /*********************************************************** Removes the record on which the tree cursor is positioned. It is assumed that the mtr has an x-latch on the page where the cursor is positioned, -but no latch on the whole tree. */ +but no latch on the whole tree. +@return TRUE if success, i.e., the page did not become too empty */ UNIV_INTERN ibool btr_cur_optimistic_delete( /*======================*/ - /* out: TRUE if success, i.e., the page - did not become too empty */ - btr_cur_t* cursor, /* in: cursor on the record to delete; + btr_cur_t* cursor, /*!< in: cursor on the record to delete; cursor stays valid: if deletion succeeds, on function exit it points to the successor of the deleted record */ - mtr_t* mtr); /* in: mtr; if this function returns + mtr_t* mtr); /*!< in: mtr; if this function returns TRUE on a leaf page of a secondary index, the mtr must be committed before latching any further pages */ @@ -367,78 +357,78 @@ to compress the page if its fillfactor drops below a threshold or if it is the only page on the level. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those brothers -exist. */ +exist. +@return TRUE if compression occurred */ UNIV_INTERN ibool btr_cur_pessimistic_delete( /*=======================*/ - /* out: TRUE if compression occurred */ - ulint* err, /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; + ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; the latter may occur because we may have to update node pointers on upper levels, and in the case of variable length keys these may actually grow in size */ - ibool has_reserved_extents, /* in: TRUE if the + ibool has_reserved_extents, /*!< in: TRUE if the caller has already reserved enough free extents so that he knows that the operation will succeed */ - btr_cur_t* cursor, /* in: cursor on the record to delete; + btr_cur_t* cursor, /*!< in: cursor on the record to delete; if compression does not occur, the cursor stays valid: it points to successor of deleted record on function exit */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* mtr); /* in: mtr */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of updating a record in-place. */ +Parses a redo log record of updating a record in-place. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_update_in_place( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dict_index_t* index); /* in: index corresponding to page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index); /*!< in: index corresponding to page */ /******************************************************************** Parses the redo log record for delete marking or unmarking of a clustered -index record. */ +index record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_del_mark_set_clust_rec( /*=================================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - dict_index_t* index); /* in: index corresponding to page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index); /*!< in: index corresponding to page */ /******************************************************************** Parses the redo log record for delete marking or unmarking of a secondary -index record. */ +index record. +@return end of log record or NULL */ UNIV_INTERN byte* btr_cur_parse_del_mark_set_sec_rec( /*===============================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in/out: page or NULL */ - page_zip_des_t* page_zip);/* in/out: compressed page, or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip);/*!< in/out: compressed page, or NULL */ #ifndef UNIV_HOTBACKUP /*********************************************************************** -Estimates the number of rows in a given index range. */ +Estimates the number of rows in a given index range. +@return estimated number of rows */ UNIV_INTERN ib_int64_t btr_estimate_n_rows_in_range( /*=========================*/ - /* out: estimated number of rows */ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple1, /* in: range start, may also be empty tuple */ - ulint mode1, /* in: search mode for range start */ - const dtuple_t* tuple2, /* in: range end, may also be empty tuple */ - ulint mode2); /* in: search mode for range end */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ + ulint mode1, /*!< in: search mode for range start */ + const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ + ulint mode2); /*!< in: search mode for range end */ /*********************************************************************** Estimates the number of different key values in a given index, for each n-column prefix of the index where n <= dict_index_get_n_unique(index). @@ -447,7 +437,7 @@ UNIV_INTERN void btr_estimate_number_of_different_key_vals( /*======================================*/ - dict_index_t* index); /* in: index */ + dict_index_t* index); /*!< in: index */ /*********************************************************************** Marks not updated extern fields as not-owned by this record. The ownership is transferred to the updated record which is inserted elsewhere in the @@ -457,13 +447,13 @@ UNIV_INTERN void btr_cur_mark_extern_inherited_fields( /*=================================*/ - page_zip_des_t* page_zip,/* in/out: compressed page whose uncompressed + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - rec_t* rec, /* in/out: record in a clustered index */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - const upd_t* update, /* in: update vector */ - mtr_t* mtr); /* in: mtr, or NULL if not logged */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ /*********************************************************************** The complement of the previous function: in an update entry may inherit some externally stored fields from a record. We must mark them as inherited @@ -472,37 +462,37 @@ UNIV_INTERN void btr_cur_mark_dtuple_inherited_extern( /*=================================*/ - dtuple_t* entry, /* in/out: updated entry to be + dtuple_t* entry, /*!< in/out: updated entry to be inserted to clustered index */ - const upd_t* update); /* in: update vector */ + const upd_t* update); /*!< in: update vector */ /*********************************************************************** Marks all extern fields in a dtuple as owned by the record. */ UNIV_INTERN void btr_cur_unmark_dtuple_extern_fields( /*================================*/ - dtuple_t* entry); /* in/out: clustered index entry */ + dtuple_t* entry); /*!< in/out: clustered index entry */ /*********************************************************************** Stores the fields in big_rec_vec to the tablespace and puts pointers to them in rec. The extern flags in rec will have to be set beforehand. The fields are stored on pages allocated from leaf node -file segment of the index tree. */ +file segment of the index tree. +@return DB_SUCCESS or error */ UNIV_INTERN ulint btr_store_big_rec_extern_fields( /*============================*/ - /* out: DB_SUCCESS or error */ - dict_index_t* index, /* in: index of rec; the index tree + dict_index_t* index, /*!< in: index of rec; the index tree MUST be X-latched */ - buf_block_t* rec_block, /* in/out: block containing rec */ - rec_t* rec, /* in: record */ - const ulint* offsets, /* in: rec_get_offsets(rec, index); + buf_block_t* rec_block, /*!< in/out: block containing rec */ + rec_t* rec, /*!< in: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index); the "external storage" flags in offsets will not correspond to rec when this function returns */ - big_rec_t* big_rec_vec, /* in: vector containing fields + big_rec_t* big_rec_vec, /*!< in: vector containing fields to be stored externally */ - mtr_t* local_mtr); /* in: mtr containing the latch to + mtr_t* local_mtr); /*!< in: mtr containing the latch to rec and to the tree */ /*********************************************************************** Frees the space in an externally stored field to the file space @@ -513,7 +503,7 @@ UNIV_INTERN void btr_free_externally_stored_field( /*=============================*/ - dict_index_t* index, /* in: index of the data, the index + dict_index_t* index, /*!< in: index of the data, the index tree MUST be X-latched; if the tree height is 1, then also the root page must be X-latched! (this is relevant @@ -521,65 +511,63 @@ btr_free_externally_stored_field( from purge where 'data' is located on an undo log page, not an index page) */ - byte* field_ref, /* in/out: field reference */ - const rec_t* rec, /* in: record containing field_ref, for + byte* field_ref, /*!< in/out: field reference */ + const rec_t* rec, /*!< in: record containing field_ref, for page_zip_write_blob_ptr(), or NULL */ - const ulint* offsets, /* in: rec_get_offsets(rec, index), + const ulint* offsets, /*!< in: rec_get_offsets(rec, index), or NULL */ - page_zip_des_t* page_zip, /* in: compressed page corresponding + page_zip_des_t* page_zip, /*!< in: compressed page corresponding to rec, or NULL if rec == NULL */ - ulint i, /* in: field number of field_ref; + ulint i, /*!< in: field number of field_ref; ignored if rec == NULL */ - enum trx_rb_ctx rb_ctx, /* in: rollback context */ - mtr_t* local_mtr); /* in: mtr containing the latch to + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* local_mtr); /*!< in: mtr containing the latch to data an an X-latch to the index tree */ /*********************************************************************** Copies the prefix of an externally stored field of a record. The -clustered index record must be protected by a lock or a page latch. */ +clustered index record must be protected by a lock or a page latch. +@return the length of the copied field, or 0 if the column is being or has been deleted */ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( /*====================================*/ - /* out: the length of the copied field, - or 0 if the column is being or has been - deleted */ - byte* buf, /* out: the field, or a prefix of it */ - ulint len, /* in: length of buf, in bytes */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + byte* buf, /*!< out: the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - const byte* data, /* in: 'internally' stored part of the + const byte* data, /*!< in: 'internally' stored part of the field containing also the reference to the external part; must be protected by a lock or a page latch */ - ulint local_len);/* in: length of data, in bytes */ + ulint local_len);/*!< in: length of data, in bytes */ /*********************************************************************** -Copies an externally stored field of a record to mem heap. */ +Copies an externally stored field of a record to mem heap. +@return the field copied to heap */ UNIV_INTERN byte* btr_rec_copy_externally_stored_field( /*=================================*/ - /* out: the field copied to heap */ - const rec_t* rec, /* in: record in a clustered index; + const rec_t* rec, /*!< in: record in a clustered index; must be protected by a lock or a page latch */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint zip_size,/* in: nonzero=compressed BLOB page size, + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - ulint no, /* in: field number */ - ulint* len, /* out: length of the field */ - mem_heap_t* heap); /* in: mem heap */ + ulint no, /*!< in: field number */ + ulint* len, /*!< out: length of the field */ + mem_heap_t* heap); /*!< in: mem heap */ /*********************************************************************** Flags the data tuple fields that are marked as extern storage in the update vector. We use this function to remember which fields we must -mark as extern storage in a record inserted for an update. */ +mark as extern storage in a record inserted for an update. +@return number of flagged external columns */ UNIV_INTERN ulint btr_push_update_extern_fields( /*==========================*/ - /* out: number of flagged external columns */ - dtuple_t* tuple, /* in/out: data tuple */ - const upd_t* update, /* in: update vector */ - mem_heap_t* heap) /* in: memory heap */ + dtuple_t* tuple, /*!< in/out: data tuple */ + const upd_t* update, /*!< in: update vector */ + mem_heap_t* heap) /*!< in: memory heap */ __attribute__((nonnull)); /*************************************************************** Sets a secondary index record's delete mark to the given value. This @@ -588,13 +576,13 @@ UNIV_INTERN void btr_cur_set_deleted_flag_for_ibuf( /*==============================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip, /* in/out: compressed page + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip, /*!< in/out: compressed page corresponding to rec, or NULL when the tablespace is uncompressed */ - ibool val, /* in: value to set */ - mtr_t* mtr); /* in: mtr */ + ibool val, /*!< in: value to set */ + mtr_t* mtr); /*!< in: mtr */ /*######################################################################*/ /* In the pessimistic delete, if the page data size drops below this diff --git a/include/btr0cur.ic b/include/btr0cur.ic index 30818cfcfce..e2102adb78f 100644 --- a/include/btr0cur.ic +++ b/include/btr0cur.ic @@ -27,51 +27,49 @@ Created 10/16/1994 Heikki Tuuri #ifdef UNIV_DEBUG /************************************************************* -Returns the page cursor component of a tree cursor. */ +Returns the page cursor component of a tree cursor. +@return pointer to page cursor component */ UNIV_INLINE page_cur_t* btr_cur_get_page_cur( /*=================*/ - /* out: pointer to page cursor - component */ - const btr_cur_t* cursor) /* in: tree cursor */ + const btr_cur_t* cursor) /*!< in: tree cursor */ { return(&((btr_cur_t*) cursor)->page_cur); } #endif /* UNIV_DEBUG */ /************************************************************* -Returns the buffer block on which the tree cursor is positioned. */ +Returns the buffer block on which the tree cursor is positioned. +@return pointer to buffer block */ UNIV_INLINE buf_block_t* btr_cur_get_block( /*==============*/ - /* out: pointer to buffer block */ - btr_cur_t* cursor) /* in: tree cursor */ + btr_cur_t* cursor) /*!< in: tree cursor */ { return(page_cur_get_block(btr_cur_get_page_cur(cursor))); } /************************************************************* -Returns the record pointer of a tree cursor. */ +Returns the record pointer of a tree cursor. +@return pointer to record */ UNIV_INLINE rec_t* btr_cur_get_rec( /*============*/ - /* out: pointer to record */ - btr_cur_t* cursor) /* in: tree cursor */ + btr_cur_t* cursor) /*!< in: tree cursor */ { return(page_cur_get_rec(&(cursor->page_cur))); } /************************************************************* -Returns the compressed page on which the tree cursor is positioned. */ +Returns the compressed page on which the tree cursor is positioned. +@return pointer to compressed page, or NULL if the page is not compressed */ UNIV_INLINE page_zip_des_t* btr_cur_get_page_zip( /*=================*/ - /* out: pointer to compressed page, - or NULL if the page is not compressed */ - btr_cur_t* cursor) /* in: tree cursor */ + btr_cur_t* cursor) /*!< in: tree cursor */ { return(buf_block_get_page_zip(btr_cur_get_block(cursor))); } @@ -82,31 +80,31 @@ UNIV_INLINE void btr_cur_invalidate( /*===============*/ - btr_cur_t* cursor) /* in: tree cursor */ + btr_cur_t* cursor) /*!< in: tree cursor */ { page_cur_invalidate(&(cursor->page_cur)); } /************************************************************* -Returns the page of a tree cursor. */ +Returns the page of a tree cursor. +@return pointer to page */ UNIV_INLINE page_t* btr_cur_get_page( /*=============*/ - /* out: pointer to page */ - btr_cur_t* cursor) /* in: tree cursor */ + btr_cur_t* cursor) /*!< in: tree cursor */ { return(page_align(page_cur_get_rec(&(cursor->page_cur)))); } /************************************************************* -Returns the index of a cursor. */ +Returns the index of a cursor. +@return index */ UNIV_INLINE dict_index_t* btr_cur_get_index( /*==============*/ - /* out: index */ - btr_cur_t* cursor) /* in: B-tree cursor */ + btr_cur_t* cursor) /*!< in: B-tree cursor */ { return(cursor->index); } @@ -117,10 +115,10 @@ UNIV_INLINE void btr_cur_position( /*=============*/ - dict_index_t* index, /* in: index */ - rec_t* rec, /* in: record in tree */ - buf_block_t* block, /* in: buffer block of rec */ - btr_cur_t* cursor) /* out: cursor */ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record in tree */ + buf_block_t* block, /*!< in: buffer block of rec */ + btr_cur_t* cursor) /*!< out: cursor */ { ut_ad(page_align(rec) == block->frame); @@ -131,14 +129,14 @@ btr_cur_position( /************************************************************************* Checks if compressing an index page where a btr cursor is placed makes -sense. */ +sense. +@return TRUE if compression is recommended */ UNIV_INLINE ibool btr_cur_compress_recommendation( /*============================*/ - /* out: TRUE if compression is recommended */ - btr_cur_t* cursor, /* in: btr cursor */ - mtr_t* mtr) /* in: mtr */ + btr_cur_t* cursor, /*!< in: btr cursor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; @@ -165,16 +163,15 @@ btr_cur_compress_recommendation( /************************************************************************* Checks if the record on which the cursor is placed can be deleted without -making tree compression necessary (or, recommended). */ +making tree compression necessary (or, recommended). +@return TRUE if can be deleted without recommended compression */ UNIV_INLINE ibool btr_cur_can_delete_without_compress( /*================================*/ - /* out: TRUE if can be deleted without - recommended compression */ - btr_cur_t* cursor, /* in: btr cursor */ - ulint rec_size,/* in: rec_get_size(btr_cur_get_rec(cursor))*/ - mtr_t* mtr) /* in: mtr */ + btr_cur_t* cursor, /*!< in: btr cursor */ + ulint rec_size,/*!< in: rec_get_size(btr_cur_get_rec(cursor))*/ + mtr_t* mtr) /*!< in: mtr */ { page_t* page; diff --git a/include/btr0pcur.h b/include/btr0pcur.h index 1fdd102d32a..2b2be5bfd63 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -46,28 +46,28 @@ of a scroll cursor easier */ #define BTR_PCUR_AFTER_LAST_IN_TREE 5 /* in an empty tree */ /****************************************************************** -Allocates memory for a persistent cursor object and initializes the cursor. */ +Allocates memory for a persistent cursor object and initializes the cursor. +@return own: persistent cursor */ UNIV_INTERN btr_pcur_t* btr_pcur_create_for_mysql(void); /*============================*/ - /* out, own: persistent cursor */ /****************************************************************** Frees the memory for a persistent cursor object. */ UNIV_INTERN void btr_pcur_free_for_mysql( /*====================*/ - btr_pcur_t* cursor); /* in, own: persistent cursor */ + btr_pcur_t* cursor); /*!< in, own: persistent cursor */ /****************************************************************** Copies the stored position of a pcur to another pcur. */ UNIV_INTERN void btr_pcur_copy_stored_position( /*==========================*/ - btr_pcur_t* pcur_receive, /* in: pcur which will receive the + btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the position info */ - btr_pcur_t* pcur_donate); /* in: pcur from which the info is + btr_pcur_t* pcur_donate); /*!< in: pcur from which the info is copied */ /****************************************************************** Sets the old_rec_buf field to NULL. */ @@ -75,7 +75,7 @@ UNIV_INLINE void btr_pcur_init( /*==========*/ - btr_pcur_t* pcur); /* in: persistent cursor */ + btr_pcur_t* pcur); /*!< in: persistent cursor */ /****************************************************************** Initializes and opens a persistent cursor to an index tree. It should be closed with btr_pcur_close. */ @@ -83,17 +83,17 @@ UNIV_INLINE void btr_pcur_open( /*==========*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ...; + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; NOTE that if the search is made using a unique prefix of a record, mode should be PAGE_CUR_LE, not PAGE_CUR_GE, as the latter may end up on the previous page from the record! */ - ulint latch_mode,/* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ - mtr_t* mtr); /* in: mtr */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Opens an persistent cursor to an index tree without initializing the cursor. */ @@ -101,57 +101,53 @@ UNIV_INLINE void btr_pcur_open_with_no_init( /*=======================*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ...; + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; NOTE that if the search is made using a unique prefix of a record, mode should be PAGE_CUR_LE, not PAGE_CUR_GE, as the latter may end up on the previous page of the record! */ - ulint latch_mode,/* in: BTR_SEARCH_LEAF, ...; + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; NOTE that if has_search_latch != 0 then we maybe do not acquire a latch on the cursor page, but assume that the caller uses his btr search latch to protect the record! */ - btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ - ulint has_search_latch,/* in: latch mode the caller + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Opens a persistent cursor at either end of an index. */ UNIV_INLINE void btr_pcur_open_at_index_side( /*========================*/ - ibool from_left, /* in: TRUE if open to the low end, + ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: latch mode */ - btr_pcur_t* pcur, /* in: cursor */ - ibool do_init, /* in: TRUE if should be initialized */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_pcur_t* pcur, /*!< in: cursor */ + ibool do_init, /*!< in: TRUE if should be initialized */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** -Gets the up_match value for a pcur after a search. */ +Gets the up_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_GE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_up_match( /*==================*/ - /* out: number of matched fields at the cursor - or to the right if search mode was PAGE_CUR_GE, - otherwise undefined */ - btr_pcur_t* cursor); /* in: memory buffer for persistent cursor */ + btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ /****************************************************************** -Gets the low_match value for a pcur after a search. */ +Gets the low_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_LE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_low_match( /*===================*/ - /* out: number of matched fields at the cursor - or to the right if search mode was PAGE_CUR_LE, - otherwise undefined */ - btr_pcur_t* cursor); /* in: memory buffer for persistent cursor */ + btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ /****************************************************************** If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first user record satisfying the search condition, in the case PAGE_CUR_L or @@ -163,24 +159,24 @@ UNIV_INTERN void btr_pcur_open_on_user_rec( /*======================*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ... */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF or + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ - btr_pcur_t* cursor, /* in: memory buffer for persistent + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INLINE void btr_pcur_open_at_rnd_pos( /*=====================*/ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in/out: B-tree pcur */ - mtr_t* mtr); /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Frees the possible old_rec_buf buffer of a persistent cursor and sets the latch mode of the persistent cursor to BTR_NO_LATCHES. */ @@ -188,7 +184,7 @@ UNIV_INLINE void btr_pcur_close( /*===========*/ - btr_pcur_t* cursor); /* in: persistent cursor */ + btr_pcur_t* cursor); /*!< in: persistent cursor */ /****************************************************************** The position of the cursor is stored by taking an initial segment of the record the cursor is positioned on, before, or after, and copying it to the @@ -200,8 +196,8 @@ UNIV_INTERN void btr_pcur_store_position( /*====================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** Restores the stored position of a persistent cursor bufferfixing the page and obtaining the specified latches. If the cursor position was saved when the @@ -213,19 +209,15 @@ infimum; (3) cursor was positioned on the page supremum: restores to the first record GREATER than the user record which was the predecessor of the supremum. (4) cursor was positioned before the first or after the last in an empty tree: -restores to before first or after the last in the tree. */ +restores to before first or after the last in the tree. +@return TRUE if the cursor position was stored when it was on a user record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ UNIV_INTERN ibool btr_pcur_restore_position( /*======================*/ - /* out: TRUE if the cursor position - was stored when it was on a user record - and it can be restored on a user record - whose ordering fields are identical to - the ones of the original user record */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in: detached persistent cursor */ - mtr_t* mtr); /* in: mtr */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /****************************************************************** If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, releases the page latch and bufferfix reserved by the cursor. @@ -236,32 +228,32 @@ UNIV_INTERN void btr_pcur_release_leaf( /*==================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* -Gets the rel_pos field for a cursor whose position has been stored. */ +Gets the rel_pos field for a cursor whose position has been stored. +@return BTR_PCUR_ON, ... */ UNIV_INLINE ulint btr_pcur_get_rel_pos( /*=================*/ - /* out: BTR_PCUR_ON, ... */ - const btr_pcur_t* cursor);/* in: persistent cursor */ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* Sets the mtr field for a pcur. */ UNIV_INLINE void btr_pcur_set_mtr( /*=============*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in, own: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in, own: mtr */ /************************************************************* -Gets the mtr field for a pcur. */ +Gets the mtr field for a pcur. +@return mtr */ UNIV_INLINE mtr_t* btr_pcur_get_mtr( /*=============*/ - /* out: mtr */ - btr_pcur_t* cursor); /* in: persistent cursor */ + btr_pcur_t* cursor); /*!< in: persistent cursor */ /****************************************************************** Commits the pcur mtr and sets the pcur latch mode to BTR_NO_LATCHES, that is, the cursor becomes detached. If there have been modifications @@ -272,67 +264,64 @@ UNIV_INLINE void btr_pcur_commit( /*============*/ - btr_pcur_t* pcur); /* in: persistent cursor */ + btr_pcur_t* pcur); /*!< in: persistent cursor */ /****************************************************************** Differs from btr_pcur_commit in that we can specify the mtr to commit. */ UNIV_INLINE void btr_pcur_commit_specify_mtr( /*========================*/ - btr_pcur_t* pcur, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr to commit */ + btr_pcur_t* pcur, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr to commit */ /****************************************************************** -Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. */ +Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. +@return TRUE if detached */ UNIV_INLINE ibool btr_pcur_is_detached( /*=================*/ - /* out: TRUE if detached */ - btr_pcur_t* pcur); /* in: persistent cursor */ + btr_pcur_t* pcur); /*!< in: persistent cursor */ /************************************************************* Moves the persistent cursor to the next record in the tree. If no records are -left, the cursor stays 'after last in tree'. */ +left, the cursor stays 'after last in tree'. +@return TRUE if the cursor was not after last in tree */ UNIV_INLINE ibool btr_pcur_move_to_next( /*==================*/ - /* out: TRUE if the cursor was not after last - in tree */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor to the previous record in the tree. If no records -are left, the cursor stays 'before first in tree'. */ +are left, the cursor stays 'before first in tree'. +@return TRUE if the cursor was not before first in tree */ UNIV_INTERN ibool btr_pcur_move_to_prev( /*==================*/ - /* out: TRUE if the cursor was not before first - in tree */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor to the last record on the same page. */ UNIV_INLINE void btr_pcur_move_to_last_on_page( /*==========================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor to the next user record in the tree. If no user -records are left, the cursor ends up 'after last in tree'. */ +records are left, the cursor ends up 'after last in tree'. +@return TRUE if the cursor moved forward, ending on a user record */ UNIV_INLINE ibool btr_pcur_move_to_next_user_rec( /*===========================*/ - /* out: TRUE if the cursor moved forward, - ending on a user record */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor to the first record on the next page. Releases the latch on the current page, and bufferunfixes it. @@ -342,9 +331,9 @@ UNIV_INTERN void btr_pcur_move_to_next_page( /*=======================*/ - btr_pcur_t* cursor, /* in: persistent cursor; must be on the + btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the last record of the current page */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor backward if it is on the first record of the page. Releases the latch on the current page, and bufferunfixes @@ -359,63 +348,61 @@ UNIV_INTERN void btr_pcur_move_backward_from_page( /*=============================*/ - btr_pcur_t* cursor, /* in: persistent cursor, must be on the + btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the first record of the current page */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_DEBUG /************************************************************* -Returns the btr cursor component of a persistent cursor. */ +Returns the btr cursor component of a persistent cursor. +@return pointer to btr cursor component */ UNIV_INLINE btr_cur_t* btr_pcur_get_btr_cur( /*=================*/ - /* out: pointer to - btr cursor component */ - const btr_pcur_t* cursor); /* in: persistent cursor */ + const btr_pcur_t* cursor); /*!< in: persistent cursor */ /************************************************************* -Returns the page cursor component of a persistent cursor. */ +Returns the page cursor component of a persistent cursor. +@return pointer to page cursor component */ UNIV_INLINE page_cur_t* btr_pcur_get_page_cur( /*==================*/ - /* out: pointer to - page cursor component */ - const btr_pcur_t* cursor); /* in: persistent cursor */ + const btr_pcur_t* cursor); /*!< in: persistent cursor */ #else /* UNIV_DEBUG */ # define btr_pcur_get_btr_cur(cursor) (&(cursor)->btr_cur) # define btr_pcur_get_page_cur(cursor) (&(cursor)->btr_cur.page_cur) #endif /* UNIV_DEBUG */ /************************************************************* -Returns the page of a persistent cursor. */ +Returns the page of a persistent cursor. +@return pointer to the page */ UNIV_INLINE page_t* btr_pcur_get_page( /*==============*/ - /* out: pointer to the page */ - btr_pcur_t* cursor);/* in: persistent cursor */ + btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* -Returns the buffer block of a persistent cursor. */ +Returns the buffer block of a persistent cursor. +@return pointer to the block */ UNIV_INLINE buf_block_t* btr_pcur_get_block( /*===============*/ - /* out: pointer to the block */ - btr_pcur_t* cursor);/* in: persistent cursor */ + btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* -Returns the record of a persistent cursor. */ +Returns the record of a persistent cursor. +@return pointer to the record */ UNIV_INLINE rec_t* btr_pcur_get_rec( /*=============*/ - /* out: pointer to the record */ - btr_pcur_t* cursor);/* in: persistent cursor */ + btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* Checks if the persistent cursor is on a user record. */ UNIV_INLINE ibool btr_pcur_is_on_user_rec( /*====================*/ - const btr_pcur_t* cursor);/* in: persistent cursor */ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* Checks if the persistent cursor is after the last user record on a page. */ @@ -423,7 +410,7 @@ UNIV_INLINE ibool btr_pcur_is_after_last_on_page( /*===========================*/ - const btr_pcur_t* cursor);/* in: persistent cursor */ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* Checks if the persistent cursor is before the first user record on a page. */ @@ -431,7 +418,7 @@ UNIV_INLINE ibool btr_pcur_is_before_first_on_page( /*=============================*/ - const btr_pcur_t* cursor);/* in: persistent cursor */ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ /************************************************************* Checks if the persistent cursor is before the first user record in the index tree. */ @@ -439,8 +426,8 @@ UNIV_INLINE ibool btr_pcur_is_before_first_in_tree( /*=============================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Checks if the persistent cursor is after the last user record in the index tree. */ @@ -448,22 +435,22 @@ UNIV_INLINE ibool btr_pcur_is_after_last_in_tree( /*===========================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr); /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************* Moves the persistent cursor to the next record on the same page. */ UNIV_INLINE void btr_pcur_move_to_next_on_page( /*==========================*/ - btr_pcur_t* cursor);/* in/out: persistent cursor */ + btr_pcur_t* cursor);/*!< in/out: persistent cursor */ /************************************************************* Moves the persistent cursor to the previous record on the same page. */ UNIV_INLINE void btr_pcur_move_to_prev_on_page( /*==========================*/ - btr_pcur_t* cursor);/* in/out: persistent cursor */ + btr_pcur_t* cursor);/*!< in/out: persistent cursor */ /* The persistent B-tree cursor structure. This is used mainly for SQL diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index bde7413820a..ee23597596a 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -24,13 +24,13 @@ Created 2/23/1996 Heikki Tuuri /************************************************************* -Gets the rel_pos field for a cursor whose position has been stored. */ +Gets the rel_pos field for a cursor whose position has been stored. +@return BTR_PCUR_ON, ... */ UNIV_INLINE ulint btr_pcur_get_rel_pos( /*=================*/ - /* out: BTR_PCUR_ON, ... */ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor); ut_ad(cursor->old_rec); @@ -47,8 +47,8 @@ UNIV_INLINE void btr_pcur_set_mtr( /*=============*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in, own: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in, own: mtr */ { ut_ad(cursor); @@ -56,13 +56,13 @@ btr_pcur_set_mtr( } /************************************************************* -Gets the mtr field for a pcur. */ +Gets the mtr field for a pcur. +@return mtr */ UNIV_INLINE mtr_t* btr_pcur_get_mtr( /*=============*/ - /* out: mtr */ - btr_pcur_t* cursor) /* in: persistent cursor */ + btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor); @@ -71,40 +71,38 @@ btr_pcur_get_mtr( #ifdef UNIV_DEBUG /************************************************************* -Returns the btr cursor component of a persistent cursor. */ +Returns the btr cursor component of a persistent cursor. +@return pointer to btr cursor component */ UNIV_INLINE btr_cur_t* btr_pcur_get_btr_cur( /*=================*/ - /* out: pointer to - btr cursor component */ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { const btr_cur_t* btr_cur = &cursor->btr_cur; return((btr_cur_t*) btr_cur); } /************************************************************* -Returns the page cursor component of a persistent cursor. */ +Returns the page cursor component of a persistent cursor. +@return pointer to page cursor component */ UNIV_INLINE page_cur_t* btr_pcur_get_page_cur( /*==================*/ - /* out: pointer to page cursor - component */ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { return(btr_cur_get_page_cur(btr_pcur_get_btr_cur(cursor))); } #endif /* UNIV_DEBUG */ /************************************************************* -Returns the page of a persistent cursor. */ +Returns the page of a persistent cursor. +@return pointer to the page */ UNIV_INLINE page_t* btr_pcur_get_page( /*==============*/ - /* out: pointer to the page */ - btr_pcur_t* cursor) /* in: persistent cursor */ + btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); @@ -112,13 +110,13 @@ btr_pcur_get_page( } /************************************************************* -Returns the buffer block of a persistent cursor. */ +Returns the buffer block of a persistent cursor. +@return pointer to the block */ UNIV_INLINE buf_block_t* btr_pcur_get_block( /*===============*/ - /* out: pointer to the block */ - btr_pcur_t* cursor) /* in: persistent cursor */ + btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); @@ -126,13 +124,13 @@ btr_pcur_get_block( } /************************************************************* -Returns the record of a persistent cursor. */ +Returns the record of a persistent cursor. +@return pointer to the record */ UNIV_INLINE rec_t* btr_pcur_get_rec( /*=============*/ - /* out: pointer to the record */ - btr_pcur_t* cursor) /* in: persistent cursor */ + btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -141,15 +139,13 @@ btr_pcur_get_rec( } /****************************************************************** -Gets the up_match value for a pcur after a search. */ +Gets the up_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_GE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_up_match( /*==================*/ - /* out: number of matched fields at the cursor - or to the right if search mode was PAGE_CUR_GE, - otherwise undefined */ - btr_pcur_t* cursor) /* in: memory buffer for persistent cursor */ + btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ { btr_cur_t* btr_cursor; @@ -164,15 +160,13 @@ btr_pcur_get_up_match( } /****************************************************************** -Gets the low_match value for a pcur after a search. */ +Gets the low_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_LE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_low_match( /*===================*/ - /* out: number of matched fields at the cursor - or to the right if search mode was PAGE_CUR_LE, - otherwise undefined */ - btr_pcur_t* cursor) /* in: memory buffer for persistent cursor */ + btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ { btr_cur_t* btr_cursor; @@ -192,7 +186,7 @@ UNIV_INLINE ibool btr_pcur_is_after_last_on_page( /*===========================*/ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -207,7 +201,7 @@ UNIV_INLINE ibool btr_pcur_is_before_first_on_page( /*=============================*/ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -221,7 +215,7 @@ UNIV_INLINE ibool btr_pcur_is_on_user_rec( /*====================*/ - const btr_pcur_t* cursor) /* in: persistent cursor */ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -242,8 +236,8 @@ UNIV_INLINE ibool btr_pcur_is_before_first_in_tree( /*=============================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -263,8 +257,8 @@ UNIV_INLINE ibool btr_pcur_is_after_last_in_tree( /*===========================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -283,7 +277,7 @@ UNIV_INLINE void btr_pcur_move_to_next_on_page( /*==========================*/ - btr_pcur_t* cursor) /* in/out: persistent cursor */ + btr_pcur_t* cursor) /*!< in/out: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -299,7 +293,7 @@ UNIV_INLINE void btr_pcur_move_to_prev_on_page( /*==========================*/ - btr_pcur_t* cursor) /* in/out: persistent cursor */ + btr_pcur_t* cursor) /*!< in/out: persistent cursor */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -315,8 +309,8 @@ UNIV_INLINE void btr_pcur_move_to_last_on_page( /*==========================*/ - btr_pcur_t* cursor, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr */ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { UT_NOT_USED(mtr); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -329,16 +323,15 @@ btr_pcur_move_to_last_on_page( /************************************************************* Moves the persistent cursor to the next user record in the tree. If no user -records are left, the cursor ends up 'after last in tree'. */ +records are left, the cursor ends up 'after last in tree'. +@return TRUE if the cursor moved forward, ending on a user record */ UNIV_INLINE ibool btr_pcur_move_to_next_user_rec( /*===========================*/ - /* out: TRUE if the cursor moved forward, - ending on a user record */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -366,16 +359,15 @@ loop: /************************************************************* Moves the persistent cursor to the next record in the tree. If no records are -left, the cursor stays 'after last in tree'. */ +left, the cursor stays 'after last in tree'. +@return TRUE if the cursor was not after last in tree */ UNIV_INLINE ibool btr_pcur_move_to_next( /*==================*/ - /* out: TRUE if the cursor was not after last - in tree */ - btr_pcur_t* cursor, /* in: persistent cursor; NOTE that the + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); ut_ad(cursor->latch_mode != BTR_NO_LATCHES); @@ -409,7 +401,7 @@ UNIV_INLINE void btr_pcur_commit( /*============*/ - btr_pcur_t* pcur) /* in: persistent cursor */ + btr_pcur_t* pcur) /*!< in: persistent cursor */ { ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); @@ -426,8 +418,8 @@ UNIV_INLINE void btr_pcur_commit_specify_mtr( /*========================*/ - btr_pcur_t* pcur, /* in: persistent cursor */ - mtr_t* mtr) /* in: mtr to commit */ + btr_pcur_t* pcur, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr to commit */ { ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); @@ -444,7 +436,7 @@ UNIV_INLINE void btr_pcur_detach( /*============*/ - btr_pcur_t* pcur) /* in: persistent cursor */ + btr_pcur_t* pcur) /*!< in: persistent cursor */ { ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); @@ -454,13 +446,13 @@ btr_pcur_detach( } /****************************************************************** -Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. */ +Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. +@return TRUE if detached */ UNIV_INLINE ibool btr_pcur_is_detached( /*=================*/ - /* out: TRUE if detached */ - btr_pcur_t* pcur) /* in: persistent cursor */ + btr_pcur_t* pcur) /*!< in: persistent cursor */ { if (pcur->latch_mode == BTR_NO_LATCHES) { @@ -476,7 +468,7 @@ UNIV_INLINE void btr_pcur_init( /*==========*/ - btr_pcur_t* pcur) /* in: persistent cursor */ + btr_pcur_t* pcur) /*!< in: persistent cursor */ { pcur->old_stored = BTR_PCUR_OLD_NOT_STORED; pcur->old_rec_buf = NULL; @@ -490,17 +482,17 @@ UNIV_INLINE void btr_pcur_open( /*==========*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ...; + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; NOTE that if the search is made using a unique prefix of a record, mode should be PAGE_CUR_LE, not PAGE_CUR_GE, as the latter may end up on the previous page from the record! */ - ulint latch_mode,/* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ - mtr_t* mtr) /* in: mtr */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ { btr_cur_t* btr_cursor; @@ -529,24 +521,24 @@ UNIV_INLINE void btr_pcur_open_with_no_init( /*=======================*/ - dict_index_t* index, /* in: index */ - const dtuple_t* tuple, /* in: tuple on which search done */ - ulint mode, /* in: PAGE_CUR_L, ...; + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; NOTE that if the search is made using a unique prefix of a record, mode should be PAGE_CUR_LE, not PAGE_CUR_GE, as the latter may end up on the previous page of the record! */ - ulint latch_mode,/* in: BTR_SEARCH_LEAF, ...; + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; NOTE that if has_search_latch != 0 then we maybe do not acquire a latch on the cursor page, but assume that the caller uses his btr search latch to protect the record! */ - btr_pcur_t* cursor, /* in: memory buffer for persistent cursor */ - ulint has_search_latch,/* in: latch mode the caller + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { btr_cur_t* btr_cursor; @@ -572,13 +564,13 @@ UNIV_INLINE void btr_pcur_open_at_index_side( /*========================*/ - ibool from_left, /* in: TRUE if open to the low end, + ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: latch mode */ - btr_pcur_t* pcur, /* in: cursor */ - ibool do_init, /* in: TRUE if should be initialized */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_pcur_t* pcur, /*!< in: cursor */ + ibool do_init, /*!< in: TRUE if should be initialized */ + mtr_t* mtr) /*!< in: mtr */ { pcur->latch_mode = latch_mode; @@ -607,10 +599,10 @@ UNIV_INLINE void btr_pcur_open_at_rnd_pos( /*=====================*/ - dict_index_t* index, /* in: index */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /* in/out: B-tree pcur */ - mtr_t* mtr) /* in: mtr */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + mtr_t* mtr) /*!< in: mtr */ { /* Initialize the cursor */ @@ -634,7 +626,7 @@ UNIV_INLINE void btr_pcur_close( /*===========*/ - btr_pcur_t* cursor) /* in: persistent cursor */ + btr_pcur_t* cursor) /*!< in: persistent cursor */ { if (cursor->old_rec_buf != NULL) { diff --git a/include/btr0sea.h b/include/btr0sea.h index 074e6595258..c90fb031f3c 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -39,7 +39,7 @@ UNIV_INTERN void btr_search_sys_create( /*==================*/ - ulint hash_size); /* in: hash index hash table size */ + ulint hash_size); /*!< in: hash index hash table size */ /************************************************************************ Disable the adaptive hash search system and empty the index. */ @@ -55,58 +55,58 @@ btr_search_enable(void); /*====================*/ /************************************************************************ -Returns search info for an index. */ +Returns search info for an index. +@return search info; search mutex reserved */ UNIV_INLINE btr_search_t* btr_search_get_info( /*================*/ - /* out: search info; search mutex reserved */ - dict_index_t* index); /* in: index */ + dict_index_t* index); /*!< in: index */ /********************************************************************* -Creates and initializes a search info struct. */ +Creates and initializes a search info struct. +@return own: search info struct */ UNIV_INTERN btr_search_t* btr_search_info_create( /*===================*/ - /* out, own: search info struct */ - mem_heap_t* heap); /* in: heap where created */ + mem_heap_t* heap); /*!< in: heap where created */ /********************************************************************* Returns the value of ref_count. The value is protected by -btr_search_latch. */ +btr_search_latch. +@return ref_count value. */ UNIV_INTERN ulint btr_search_info_get_ref_count( /*==========================*/ - /* out: ref_count value. */ - btr_search_t* info); /* in: search info. */ + btr_search_t* info); /*!< in: search info. */ /************************************************************************* Updates the search info. */ UNIV_INLINE void btr_search_info_update( /*===================*/ - dict_index_t* index, /* in: index of the cursor */ - btr_cur_t* cursor);/* in: cursor which was just positioned */ + dict_index_t* index, /*!< in: index of the cursor */ + btr_cur_t* cursor);/*!< in: cursor which was just positioned */ /********************************************************************** Tries to guess the right search position based on the hash search info of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns TRUE, then cursor->up_match and cursor->low_match -both have sensible values. */ +both have sensible values. +@return TRUE if succeeded */ UNIV_INTERN ibool btr_search_guess_on_hash( /*=====================*/ - /* out: TRUE if succeeded */ - dict_index_t* index, /* in: index */ - btr_search_t* info, /* in: index search info */ - const dtuple_t* tuple, /* in: logical record */ - ulint mode, /* in: PAGE_CUR_L, ... */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /* out: tree cursor */ - ulint has_search_latch,/* in: latch mode the caller + dict_index_t* index, /*!< in: index */ + btr_search_t* info, /*!< in: index search info */ + const dtuple_t* tuple, /*!< in: logical record */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< out: tree cursor */ + ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, RW_X_LATCH, or 0 */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************ Moves or deletes hash entries for moved records. If new_page is already hashed, then the hash index for page, if any, is dropped. If new_page is not hashed, @@ -116,20 +116,20 @@ UNIV_INTERN void btr_search_move_or_delete_hash_entries( /*===================================*/ - buf_block_t* new_block, /* in: records are copied + buf_block_t* new_block, /*!< in: records are copied to this page */ - buf_block_t* block, /* in: index page from which + buf_block_t* block, /*!< in: index page from which records were copied, and the copied records will be deleted from this page */ - dict_index_t* index); /* in: record descriptor */ + dict_index_t* index); /*!< in: record descriptor */ /************************************************************************ Drops a page hash index. */ UNIV_INTERN void btr_search_drop_page_hash_index( /*============================*/ - buf_block_t* block); /* in: block containing index page, + buf_block_t* block); /*!< in: block containing index page, s- or x-latched, or an index page for which we know that block->buf_fix_count == 0 */ @@ -140,17 +140,17 @@ UNIV_INTERN void btr_search_drop_page_hash_when_freed( /*=================================*/ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no); /* in: page number */ + ulint page_no); /*!< in: page number */ /************************************************************************ Updates the page hash index when a single record is inserted on a page. */ UNIV_INTERN void btr_search_update_hash_node_on_insert( /*==================================*/ - btr_cur_t* cursor);/* in: cursor which was positioned to the + btr_cur_t* cursor);/*!< in: cursor which was positioned to the place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ @@ -160,7 +160,7 @@ UNIV_INTERN void btr_search_update_hash_on_insert( /*=============================*/ - btr_cur_t* cursor);/* in: cursor which was positioned to the + btr_cur_t* cursor);/*!< in: cursor which was positioned to the place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ @@ -170,16 +170,16 @@ UNIV_INTERN void btr_search_update_hash_on_delete( /*=============================*/ - btr_cur_t* cursor);/* in: cursor which was positioned on the + btr_cur_t* cursor);/*!< in: cursor which was positioned on the record to delete using btr_cur_search_..., the record is not yet deleted */ /************************************************************************ -Validates the search system. */ +Validates the search system. +@return TRUE if ok */ UNIV_INTERN ibool btr_search_validate(void); /*======================*/ - /* out: TRUE if ok */ /* Flag: has the search system been enabled? Protected by btr_search_latch and btr_search_enabled_mutex. */ diff --git a/include/btr0sea.ic b/include/btr0sea.ic index c948d7e92af..d7a410733d5 100644 --- a/include/btr0sea.ic +++ b/include/btr0sea.ic @@ -32,17 +32,17 @@ UNIV_INTERN void btr_search_info_update_slow( /*========================*/ - btr_search_t* info, /* in/out: search info */ - btr_cur_t* cursor);/* in: cursor which was just positioned */ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor);/*!< in: cursor which was just positioned */ /************************************************************************ -Returns search info for an index. */ +Returns search info for an index. +@return search info; search mutex reserved */ UNIV_INLINE btr_search_t* btr_search_get_info( /*================*/ - /* out: search info; search mutex reserved */ - dict_index_t* index) /* in: index */ + dict_index_t* index) /*!< in: index */ { ut_ad(index); @@ -55,8 +55,8 @@ UNIV_INLINE void btr_search_info_update( /*===================*/ - dict_index_t* index, /* in: index of the cursor */ - btr_cur_t* cursor) /* in: cursor which was just positioned */ + dict_index_t* index, /*!< in: index of the cursor */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ { btr_search_t* info; diff --git a/include/buf0buddy.h b/include/buf0buddy.h index f3e593151b5..95cfcb3347b 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -41,15 +41,14 @@ if lru != NULL. This function should only be used for allocating compressed page frames or control blocks (buf_page_t). Allocated control blocks must be properly initialized immediately after buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. */ +buf_pool_mutex. +@return allocated block, possibly NULL if lru == NULL */ UNIV_INLINE void* buf_buddy_alloc( /*============*/ - /* out: allocated block, - possibly NULL if lru == NULL */ - ulint size, /* in: block size, up to UNIV_PAGE_SIZE */ - ibool* lru) /* in: pointer to a variable that will be assigned + ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ + ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list and buf_pool_mutex was temporarily released, or NULL if the LRU list should not be used */ @@ -61,9 +60,9 @@ UNIV_INLINE void buf_buddy_free( /*===========*/ - void* buf, /* in: block to be freed, must not be + void* buf, /*!< in: block to be freed, must not be pointed to by the buffer pool */ - ulint size) /* in: block size, up to UNIV_PAGE_SIZE */ + ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ __attribute__((nonnull)); /** Statistics of buddy blocks of a given size. */ diff --git a/include/buf0buddy.ic b/include/buf0buddy.ic index 769b9d11d94..cbf807203ed 100644 --- a/include/buf0buddy.ic +++ b/include/buf0buddy.ic @@ -35,16 +35,15 @@ Created December 2006 by Marko Makela /************************************************************************** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. */ +The buf_pool_mutex may only be released and reacquired if lru != NULL. +@return allocated block, possibly NULL if lru==NULL */ UNIV_INTERN void* buf_buddy_alloc_low( /*================*/ - /* out: allocated block, - possibly NULL if lru==NULL */ - ulint i, /* in: index of buf_pool->zip_free[], + ulint i, /*!< in: index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ - ibool* lru) /* in: pointer to a variable that will be assigned + ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list and buf_pool_mutex was temporarily released, or NULL if the LRU list should not be used */ @@ -56,21 +55,20 @@ UNIV_INTERN void buf_buddy_free_low( /*===============*/ - void* buf, /* in: block to be freed, must not be + void* buf, /*!< in: block to be freed, must not be pointed to by the buffer pool */ - ulint i) /* in: index of buf_pool->zip_free[], + ulint i) /*!< in: index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ __attribute__((nonnull)); /************************************************************************** -Get the index of buf_pool->zip_free[] for a given block size. */ +Get the index of buf_pool->zip_free[] for a given block size. +@return index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ UNIV_INLINE ulint buf_buddy_get_slot( /*===============*/ - /* out: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ - ulint size) /* in: block size */ + ulint size) /*!< in: block size */ { ulint i; ulint s; @@ -90,15 +88,14 @@ if lru != NULL. This function should only be used for allocating compressed page frames or control blocks (buf_page_t). Allocated control blocks must be properly initialized immediately after buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. */ +buf_pool_mutex. +@return allocated block, possibly NULL if lru == NULL */ UNIV_INLINE void* buf_buddy_alloc( /*============*/ - /* out: allocated block, - possibly NULL if lru == NULL */ - ulint size, /* in: block size, up to UNIV_PAGE_SIZE */ - ibool* lru) /* in: pointer to a variable that will be assigned + ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ + ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list and buf_pool_mutex was temporarily released, or NULL if the LRU list should not be used */ @@ -114,9 +111,9 @@ UNIV_INLINE void buf_buddy_free( /*===========*/ - void* buf, /* in: block to be freed, must not be + void* buf, /*!< in: block to be freed, must not be pointed to by the buffer pool */ - ulint size) /* in: block size, up to UNIV_PAGE_SIZE */ + ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ { ut_ad(buf_pool_mutex_own()); diff --git a/include/buf0buf.h b/include/buf0buf.h index fb28b77b7a0..c7841076878 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -90,13 +90,12 @@ enum buf_page_state { #ifndef UNIV_HOTBACKUP /************************************************************************ -Creates the buffer pool. */ +Creates the buffer pool. +@return own: buf_pool object, NULL if not enough memory or error */ UNIV_INTERN buf_pool_t* buf_pool_init(void); /*===============*/ - /* out, own: buf_pool object, NULL if not - enough memory or error */ /************************************************************************ Frees the buffer pool at shutdown. This must not be invoked before freeing all mutexes. */ @@ -122,10 +121,10 @@ UNIV_INTERN void buf_relocate( /*=========*/ - buf_page_t* bpage, /* in/out: control block being relocated; + buf_page_t* bpage, /*!< in/out: control block being relocated; buf_page_get_state(bpage) must be BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ - buf_page_t* dpage) /* in/out: destination control block */ + buf_page_t* dpage) /*!< in/out: destination control block */ __attribute__((nonnull)); /************************************************************************ Resizes the buffer pool. */ @@ -134,30 +133,28 @@ void buf_pool_resize(void); /*=================*/ /************************************************************************* -Gets the current size of buffer buf_pool in bytes. */ +Gets the current size of buffer buf_pool in bytes. +@return size in bytes */ UNIV_INLINE ulint buf_pool_get_curr_size(void); /*========================*/ - /* out: size in bytes */ /************************************************************************ Gets the smallest oldest_modification lsn for any page in the pool. Returns -zero if all modified pages have been flushed to disk. */ +zero if all modified pages have been flushed to disk. +@return oldest modification in pool, zero if none */ UNIV_INLINE ib_uint64_t buf_pool_get_oldest_modification(void); /*==================================*/ - /* out: oldest modification in pool, - zero if none */ /************************************************************************ -Allocates a buffer block. */ +Allocates a buffer block. +@return own: the allocated block, in state BUF_BLOCK_MEMORY */ UNIV_INLINE buf_block_t* buf_block_alloc( /*============*/ - /* out, own: the allocated block, - in state BUF_BLOCK_MEMORY */ - ulint zip_size); /* in: compressed page size in bytes, + ulint zip_size); /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ /************************************************************************ Frees a buffer block which does not contain a file page. */ @@ -165,17 +162,17 @@ UNIV_INLINE void buf_block_free( /*===========*/ - buf_block_t* block); /* in, own: block to be freed */ + buf_block_t* block); /*!< in, own: block to be freed */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Copies contents of a buffer frame to a given buffer. */ +Copies contents of a buffer frame to a given buffer. +@return buf */ UNIV_INLINE byte* buf_frame_copy( /*===========*/ - /* out: buf */ - byte* buf, /* in: buffer to copy to */ - const buf_frame_t* frame); /* in: buffer frame */ + byte* buf, /*!< in: buffer to copy to */ + const buf_frame_t* frame); /*!< in: buffer frame */ #ifndef UNIV_HOTBACKUP /****************************************************************** NOTE! The following macros should be used instead of buf_page_get_gen, @@ -201,33 +198,33 @@ RW_X_LATCH are allowed as LA! */ buf_page_optimistic_get_func(LA, BL, MC, __FILE__, __LINE__, MTR) /************************************************************************ This is the general function used to get optimistic access to a database -page. */ +page. +@return TRUE if success */ UNIV_INTERN ibool buf_page_optimistic_get_func( /*=========================*/ - /* out: TRUE if success */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /* in: guessed block */ - ib_uint64_t modify_clock,/* in: modify clock value if mode is + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: guessed block */ + ib_uint64_t modify_clock,/*!< in: modify clock value if mode is ..._GUESS_ON_CLOCK */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr); /* in: mini-transaction */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ /************************************************************************ This is used to get access to a known database page, when no waiting can be -done. */ +done. +@return TRUE if success */ UNIV_INTERN ibool buf_page_get_known_nowait( /*======================*/ - /* out: TRUE if success */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /* in: the known page */ - ulint mode, /* in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr); /* in: mini-transaction */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: the known page */ + ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ /*********************************************************************** Given a tablespace id and page number tries to get that page. If the @@ -237,11 +234,11 @@ Suitable for using when holding the kernel mutex. */ const buf_block_t* buf_page_try_get_func( /*==================*/ - ulint space_id,/* in: tablespace id */ - ulint page_no,/* in: page number */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr); /* in: mini-transaction */ + ulint space_id,/*!< in: tablespace id */ + ulint page_no,/*!< in: page number */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ #define buf_page_try_get(space_id, page_no, mtr) \ buf_page_try_get_func(space_id, page_no, __FILE__, __LINE__, mtr); @@ -253,50 +250,49 @@ The page must be released with buf_page_release_zip(). NOTE: the page is not protected by any latch. Mutual exclusion has to be implemented at a higher level. In other words, all possible accesses to a given page through this function must be protected by -the same set of mutexes or latches. */ +the same set of mutexes or latches. +@return pointer to the block, or NULL if not compressed */ UNIV_INTERN buf_page_t* buf_page_get_zip( /*=============*/ - /* out: pointer to the block, - or NULL if not compressed */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size */ + ulint offset);/*!< in: page number */ /************************************************************************ -This is the general function used to get access to a database page. */ +This is the general function used to get access to a database page. +@return pointer to the block or NULL */ UNIV_INTERN buf_block_t* buf_page_get_gen( /*=============*/ - /* out: pointer to the block or NULL */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint offset, /* in: page number */ - ulint rw_latch,/* in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - buf_block_t* guess, /* in: guessed block or NULL */ - ulint mode, /* in: BUF_GET, BUF_GET_IF_IN_POOL, + ulint offset, /*!< in: page number */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ + buf_block_t* guess, /*!< in: guessed block or NULL */ + ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, BUF_GET_NO_LATCH, BUF_GET_NOWAIT or BUF_GET_IF_IN_POOL_WATCH */ - const char* file, /* in: file name */ - ulint line, /* in: line where called */ - mtr_t* mtr); /* in: mini-transaction */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ /************************************************************************ Initializes a page to the buffer buf_pool. The page is usually not read from a file even if it cannot be found in the buffer buf_pool. This is one of the functions which perform to a block a state transition NOT_USED => -FILE_PAGE (the other is buf_page_get_gen). */ +FILE_PAGE (the other is buf_page_get_gen). +@return pointer to the block, page bufferfixed */ UNIV_INTERN buf_block_t* buf_page_create( /*============*/ - /* out: pointer to the block, page bufferfixed */ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space in units of + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of a page */ - ulint zip_size,/* in: compressed page size, or 0 */ - mtr_t* mtr); /* in: mini-transaction handle */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr); /*!< in: mini-transaction handle */ #else /* !UNIV_HOTBACKUP */ /************************************************************************ Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ @@ -304,12 +300,12 @@ UNIV_INTERN void buf_page_init_for_backup_restore( /*=============================*/ - ulint space, /* in: space id */ - ulint offset, /* in: offset of the page within space + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of a page */ - ulint zip_size,/* in: compressed page size in bytes + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - buf_block_t* block); /* in: block to init */ + buf_block_t* block); /*!< in: block to init */ #endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_HOTBACKUP @@ -319,7 +315,7 @@ UNIV_INLINE void buf_page_release_zip( /*=================*/ - buf_page_t* bpage); /* in: buffer block */ + buf_page_t* bpage); /*!< in: buffer block */ /************************************************************************ Decrements the bufferfix count of a buffer control block and releases a latch, if specified. */ @@ -327,10 +323,10 @@ UNIV_INLINE void buf_page_release( /*=============*/ - buf_block_t* block, /* in: buffer block */ - ulint rw_latch, /* in: RW_S_LATCH, RW_X_LATCH, + buf_block_t* block, /*!< in: buffer block */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************ Moves a page to the start of the buffer pool LRU list. This high-level function can be used to prevent an important page from from slipping out of @@ -339,19 +335,17 @@ UNIV_INTERN void buf_page_make_young( /*================*/ - buf_page_t* bpage); /* in: buffer block of a file page */ + buf_page_t* bpage); /*!< in: buffer block of a file page */ /************************************************************************ Returns TRUE if the page can be found in the buffer pool hash table. NOTE -that it is possible that the page is not yet read from disk, though. */ +that it is possible that the page is not yet read from disk, though. +@return TRUE if found from page hash table, NOTE that the page is not necessarily yet read from disk! */ UNIV_INLINE ibool buf_page_peek( /*==========*/ - /* out: TRUE if found from page hash table, - NOTE that the page is not necessarily yet read - from disk! */ - ulint space, /* in: space id */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ /************************************************************************ Resets the check_index_page_at_flush field of a page if found in the buffer pool. */ @@ -359,87 +353,83 @@ UNIV_INTERN void buf_reset_check_index_page_at_flush( /*================================*/ - ulint space, /* in: space id */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ #ifdef UNIV_DEBUG_FILE_ACCESSES /************************************************************************ Sets file_page_was_freed TRUE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless -reallocated. */ +reallocated. +@return control block if found in page hash table, otherwise NULL */ UNIV_INTERN buf_page_t* buf_page_set_file_page_was_freed( /*=============================*/ - /* out: control block if found in page hash table, - otherwise NULL */ - ulint space, /* in: space id */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ /************************************************************************ Sets file_page_was_freed FALSE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless -reallocated. */ +reallocated. +@return control block if found in page hash table, otherwise NULL */ UNIV_INTERN buf_page_t* buf_page_reset_file_page_was_freed( /*===============================*/ - /* out: control block if found in page hash table, - otherwise NULL */ - ulint space, /* in: space id */ - ulint offset); /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset); /*!< in: page number */ #endif /* UNIV_DEBUG_FILE_ACCESSES */ /************************************************************************ -Reads the freed_page_clock of a buffer block. */ +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ UNIV_INLINE ulint buf_page_get_freed_page_clock( /*==========================*/ - /* out: freed_page_clock */ - const buf_page_t* bpage) /* in: block */ + const buf_page_t* bpage) /*!< in: block */ __attribute__((pure)); /************************************************************************ -Reads the freed_page_clock of a buffer block. */ +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ UNIV_INLINE ulint buf_block_get_freed_page_clock( /*===========================*/ - /* out: freed_page_clock */ - const buf_block_t* block) /* in: block */ + const buf_block_t* block) /*!< in: block */ __attribute__((pure)); /************************************************************************ Recommends a move of a block to the start of the LRU list if there is danger of dropping from the buffer pool. NOTE: does not reserve the buffer pool -mutex. */ +mutex. +@return TRUE if should be made younger */ UNIV_INLINE ibool buf_page_peek_if_too_old( /*=====================*/ - /* out: TRUE if should be made - younger */ - const buf_page_t* bpage); /* in: block to make younger */ + const buf_page_t* bpage); /*!< in: block to make younger */ /************************************************************************ Returns the current state of is_hashed of a page. FALSE if the page is not in the pool. NOTE that this operation does not fix the page in the -pool if it is found there. */ +pool if it is found there. +@return TRUE if page hash index is built in search system */ UNIV_INTERN ibool buf_page_peek_if_search_hashed( /*===========================*/ - /* out: TRUE if page hash index is built in search - system */ - ulint space, /* in: space id */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ /************************************************************************ Gets the youngest modification log sequence number for a frame. -Returns zero if not file page or no modification occurred yet. */ +Returns zero if not file page or no modification occurred yet. +@return newest modification to page */ UNIV_INLINE ib_uint64_t buf_page_get_newest_modification( /*=============================*/ - /* out: newest modification to page */ - const buf_page_t* bpage); /* in: block containing the + const buf_page_t* bpage); /*!< in: block containing the page frame */ /************************************************************************ Increments the modify clock of a frame by 1. The caller must (1) own the @@ -449,51 +439,51 @@ UNIV_INLINE void buf_block_modify_clock_inc( /*=======================*/ - buf_block_t* block); /* in: block */ + buf_block_t* block); /*!< in: block */ /************************************************************************ Returns the value of the modify clock. The caller must have an s-lock -or x-lock on the block. */ +or x-lock on the block. +@return value */ UNIV_INLINE ib_uint64_t buf_block_get_modify_clock( /*=======================*/ - /* out: value */ - buf_block_t* block); /* in: block */ + buf_block_t* block); /*!< in: block */ #else /* !UNIV_HOTBACKUP */ # define buf_block_modify_clock_inc(block) ((void) 0) #endif /* !UNIV_HOTBACKUP */ /************************************************************************ Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value -on 32-bit and 64-bit architectures. */ +on 32-bit and 64-bit architectures. +@return checksum */ UNIV_INTERN ulint buf_calc_page_new_checksum( /*=======================*/ - /* out: checksum */ - const byte* page); /* in: buffer page */ + const byte* page); /*!< in: buffer page */ /************************************************************************ In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only looked at the first few bytes of the page. This calculates that old checksum. NOTE: we must first store the new formula checksum to FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum -because this takes that field as an input! */ +because this takes that field as an input! +@return checksum */ UNIV_INTERN ulint buf_calc_page_old_checksum( /*=======================*/ - /* out: checksum */ - const byte* page); /* in: buffer page */ + const byte* page); /*!< in: buffer page */ /************************************************************************ -Checks if a page is corrupt. */ +Checks if a page is corrupt. +@return TRUE if corrupted */ UNIV_INTERN ibool buf_page_is_corrupted( /*==================*/ - /* out: TRUE if corrupted */ - const byte* read_buf, /* in: a database page */ - ulint zip_size); /* in: size of compressed page; + const byte* read_buf, /*!< in: a database page */ + ulint zip_size); /*!< in: size of compressed page; 0 for uncompressed pages */ #ifndef UNIV_HOTBACKUP /************************************************************************** @@ -503,39 +493,38 @@ UNIV_INLINE void buf_ptr_get_fsp_addr( /*=================*/ - const void* ptr, /* in: pointer to a buffer frame */ - ulint* space, /* out: space id */ - fil_addr_t* addr); /* out: page offset and byte offset */ + const void* ptr, /*!< in: pointer to a buffer frame */ + ulint* space, /*!< out: space id */ + fil_addr_t* addr); /*!< out: page offset and byte offset */ /************************************************************************** Gets the hash value of a block. This can be used in searches in the -lock hash table. */ +lock hash table. +@return lock hash value */ UNIV_INLINE ulint buf_block_get_lock_hash_val( /*========================*/ - /* out: lock hash value */ - const buf_block_t* block) /* in: block */ + const buf_block_t* block) /*!< in: block */ __attribute__((pure)); #ifdef UNIV_DEBUG /************************************************************************* Finds a block in the buffer pool that points to a -given compressed page. */ +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ UNIV_INTERN buf_block_t* buf_pool_contains_zip( /*==================*/ - /* out: buffer block pointing to - the compressed page, or NULL */ - const void* data); /* in: pointer to compressed page */ + const void* data); /*!< in: pointer to compressed page */ #endif /* UNIV_DEBUG */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************* -Validates the buffer pool data structure. */ +Validates the buffer pool data structure. +@return TRUE */ UNIV_INTERN ibool buf_validate(void); /*==============*/ - /* out: TRUE */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************* @@ -552,50 +541,50 @@ UNIV_INTERN void buf_page_print( /*===========*/ - const byte* read_buf, /* in: a database page */ - ulint zip_size); /* in: compressed page size, or + const byte* read_buf, /*!< in: a database page */ + ulint zip_size); /*!< in: compressed page size, or 0 for uncompressed pages */ /************************************************************************ -Decompress a block. */ +Decompress a block. +@return TRUE if successful */ UNIV_INTERN ibool buf_zip_decompress( /*===============*/ - /* out: TRUE if successful */ - buf_block_t* block, /* in/out: block */ - ibool check); /* in: TRUE=verify the page checksum */ + buf_block_t* block, /*!< in/out: block */ + ibool check); /*!< in: TRUE=verify the page checksum */ #ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG /************************************************************************* -Returns the number of latched pages in the buffer pool. */ +Returns the number of latched pages in the buffer pool. +@return number of latched pages */ UNIV_INTERN ulint buf_get_latched_pages_number(void); /*==============================*/ - /* out: number of latched pages */ #endif /* UNIV_DEBUG */ /************************************************************************* -Returns the number of pending buf pool ios. */ +Returns the number of pending buf pool ios. +@return number of pending I/O operations */ UNIV_INTERN ulint buf_get_n_pending_ios(void); /*=======================*/ - /* out: number of pending I/O operations */ /************************************************************************* Prints info of the buffer i/o. */ UNIV_INTERN void buf_print_io( /*=========*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /************************************************************************* Returns the ratio in percents of modified pages in the buffer pool / -database pages in the buffer pool. */ +database pages in the buffer pool. +@return modified page percentage ratio */ UNIV_INTERN ulint buf_get_modified_ratio_pct(void); /*============================*/ - /* out: modified page percentage ratio */ /************************************************************************** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN @@ -603,20 +592,20 @@ void buf_refresh_io_stats(void); /*======================*/ /************************************************************************* -Asserts that all file pages in the buffer are in a replaceable state. */ +Asserts that all file pages in the buffer are in a replaceable state. +@return TRUE */ UNIV_INTERN ibool buf_all_freed(void); /*===============*/ - /* out: TRUE */ /************************************************************************* Checks that there currently are no pending i/o-operations for the buffer -pool. */ +pool. +@return TRUE if there is no pending i/o */ UNIV_INTERN ibool buf_pool_check_no_pending_io(void); /*==============================*/ - /* out: TRUE if there is no pending i/o */ /************************************************************************* Invalidates the file pages in the buffer pool when an archive recovery is completed. All the file pages buffered must be in a replaceable state when @@ -640,28 +629,28 @@ UNIV_INLINE void buf_block_dbg_add_level( /*====================*/ - buf_block_t* block, /* in: buffer page + buf_block_t* block, /*!< in: buffer page where we have acquired latch */ - ulint level); /* in: latching order level */ + ulint level); /*!< in: latching order level */ #else /* UNIV_SYNC_DEBUG */ # define buf_block_dbg_add_level(block, level) /* nothing */ #endif /* UNIV_SYNC_DEBUG */ /************************************************************************* -Gets the state of a block. */ +Gets the state of a block. +@return state */ UNIV_INLINE enum buf_page_state buf_page_get_state( /*===============*/ - /* out: state */ - const buf_page_t* bpage); /* in: pointer to the control block */ + const buf_page_t* bpage); /*!< in: pointer to the control block */ /************************************************************************* -Gets the state of a block. */ +Gets the state of a block. +@return state */ UNIV_INLINE enum buf_page_state buf_block_get_state( /*================*/ - /* out: state */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* Sets the state of a block. */ @@ -669,65 +658,63 @@ UNIV_INLINE void buf_page_set_state( /*===============*/ - buf_page_t* bpage, /* in/out: pointer to control block */ - enum buf_page_state state); /* in: state */ + buf_page_t* bpage, /*!< in/out: pointer to control block */ + enum buf_page_state state); /*!< in: state */ /************************************************************************* Sets the state of a block. */ UNIV_INLINE void buf_block_set_state( /*================*/ - buf_block_t* block, /* in/out: pointer to control block */ - enum buf_page_state state); /* in: state */ + buf_block_t* block, /*!< in/out: pointer to control block */ + enum buf_page_state state); /*!< in: state */ /************************************************************************* -Determines if a block is mapped to a tablespace. */ +Determines if a block is mapped to a tablespace. +@return TRUE if mapped */ UNIV_INLINE ibool buf_page_in_file( /*=============*/ - /* out: TRUE if mapped */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); #ifndef UNIV_HOTBACKUP /************************************************************************* -Determines if a block should be on unzip_LRU list. */ +Determines if a block should be on unzip_LRU list. +@return TRUE if block belongs to unzip_LRU */ UNIV_INLINE ibool buf_page_belongs_to_unzip_LRU( /*==========================*/ - /* out: TRUE if block belongs - to unzip_LRU */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); /************************************************************************* -Determine the approximate LRU list position of a block. */ +Determine the approximate LRU list position of a block. +@return LRU list position */ UNIV_INLINE ulint buf_page_get_LRU_position( /*======================*/ - /* out: LRU list position */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); /************************************************************************* -Gets the mutex of a block. */ +Gets the mutex of a block. +@return pointer to mutex protecting bpage */ UNIV_INLINE mutex_t* buf_page_get_mutex( /*===============*/ - /* out: pointer to mutex - protecting bpage */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); /************************************************************************* -Get the flush type of a page. */ +Get the flush type of a page. +@return flush type */ UNIV_INLINE enum buf_flush buf_page_get_flush_type( /*====================*/ - /* out: flush type */ - const buf_page_t* bpage) /* in: buffer page */ + const buf_page_t* bpage) /*!< in: buffer page */ __attribute__((pure)); /************************************************************************* Set the flush type of a page. */ @@ -735,34 +722,34 @@ UNIV_INLINE void buf_page_set_flush_type( /*====================*/ - buf_page_t* bpage, /* in: buffer page */ - enum buf_flush flush_type); /* in: flush type */ + buf_page_t* bpage, /*!< in: buffer page */ + enum buf_flush flush_type); /*!< in: flush type */ /************************************************************************* Map a block to a file page. */ UNIV_INLINE void buf_block_set_file_page( /*====================*/ - buf_block_t* block, /* in/out: pointer to control block */ - ulint space, /* in: tablespace id */ - ulint page_no);/* in: page number */ + buf_block_t* block, /*!< in/out: pointer to control block */ + ulint space, /*!< in: tablespace id */ + ulint page_no);/*!< in: page number */ /************************************************************************* -Gets the io_fix state of a block. */ +Gets the io_fix state of a block. +@return io_fix state */ UNIV_INLINE enum buf_io_fix buf_page_get_io_fix( /*================*/ - /* out: io_fix state */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the io_fix state of a block. */ +Gets the io_fix state of a block. +@return io_fix state */ UNIV_INLINE enum buf_io_fix buf_block_get_io_fix( /*================*/ - /* out: io_fix state */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* Sets the io_fix state of a block. */ @@ -770,16 +757,16 @@ UNIV_INLINE void buf_page_set_io_fix( /*================*/ - buf_page_t* bpage, /* in/out: control block */ - enum buf_io_fix io_fix);/* in: io_fix state */ + buf_page_t* bpage, /*!< in/out: control block */ + enum buf_io_fix io_fix);/*!< in: io_fix state */ /************************************************************************* Sets the io_fix state of a block. */ UNIV_INLINE void buf_block_set_io_fix( /*=================*/ - buf_block_t* block, /* in/out: control block */ - enum buf_io_fix io_fix);/* in: io_fix state */ + buf_block_t* block, /*!< in/out: control block */ + enum buf_io_fix io_fix);/*!< in: io_fix state */ /************************************************************************ Determine if a buffer block can be relocated in memory. The block @@ -788,17 +775,17 @@ UNIV_INLINE ibool buf_page_can_relocate( /*==================*/ - const buf_page_t* bpage) /* control block being relocated */ + const buf_page_t* bpage) /*!< control block being relocated */ __attribute__((pure)); /************************************************************************* -Determine if a block has been flagged old. */ +Determine if a block has been flagged old. +@return TRUE if old */ UNIV_INLINE ibool buf_page_is_old( /*============*/ - /* out: TRUE if old */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); /************************************************************************* Flag a block old. */ @@ -806,16 +793,16 @@ UNIV_INLINE void buf_page_set_old( /*=============*/ - buf_page_t* bpage, /* in/out: control block */ - ibool old); /* in: old */ + buf_page_t* bpage, /*!< in/out: control block */ + ibool old); /*!< in: old */ /************************************************************************* -Determine if a block has been accessed in the buffer pool. */ +Determine if a block has been accessed in the buffer pool. +@return TRUE if accessed */ UNIV_INLINE ibool buf_page_is_accessed( /*=================*/ - /* out: TRUE if accessed */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); /************************************************************************* Flag a block accessed. */ @@ -823,85 +810,85 @@ UNIV_INLINE void buf_page_set_accessed( /*==================*/ - buf_page_t* bpage, /* in/out: control block */ - ibool accessed); /* in: accessed */ + buf_page_t* bpage, /*!< in/out: control block */ + ibool accessed); /*!< in: accessed */ /************************************************************************* Gets the buf_block_t handle of a buffered file block if an uncompressed -page frame exists, or NULL. */ +page frame exists, or NULL. +@return control block, or NULL */ UNIV_INLINE buf_block_t* buf_page_get_block( /*===============*/ - /* out: control block, or NULL */ - buf_page_t* bpage) /* in: control block, or NULL */ + buf_page_t* bpage) /*!< in: control block, or NULL */ __attribute__((pure)); #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* -Gets a pointer to the memory frame of a block. */ +Gets a pointer to the memory frame of a block. +@return pointer to the frame */ UNIV_INLINE buf_frame_t* buf_block_get_frame( /*================*/ - /* out: pointer to the frame */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); #else /* UNIV_DEBUG */ # define buf_block_get_frame(block) (block)->frame #endif /* UNIV_DEBUG */ /************************************************************************* -Gets the space id of a block. */ +Gets the space id of a block. +@return space id */ UNIV_INLINE ulint buf_page_get_space( /*===============*/ - /* out: space id */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the space id of a block. */ +Gets the space id of a block. +@return space id */ UNIV_INLINE ulint buf_block_get_space( /*================*/ - /* out: space id */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the page number of a block. */ +Gets the page number of a block. +@return page number */ UNIV_INLINE ulint buf_page_get_page_no( /*=================*/ - /* out: page number */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the page number of a block. */ +Gets the page number of a block. +@return page number */ UNIV_INLINE ulint buf_block_get_page_no( /*==================*/ - /* out: page number */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the compressed page size of a block. */ +Gets the compressed page size of a block. +@return compressed page size, or 0 */ UNIV_INLINE ulint buf_page_get_zip_size( /*==================*/ - /* out: compressed page size, or 0 */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* -Gets the compressed page size of a block. */ +Gets the compressed page size of a block. +@return compressed page size, or 0 */ UNIV_INLINE ulint buf_block_get_zip_size( /*===================*/ - /* out: compressed page size, or 0 */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page @@ -910,23 +897,22 @@ if applicable. */ (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) #ifndef UNIV_HOTBACKUP /*********************************************************************** -Gets the block to whose frame the pointer is pointing to. */ +Gets the block to whose frame the pointer is pointing to. +@return pointer to block, never NULL */ UNIV_INTERN buf_block_t* buf_block_align( /*============*/ - /* out: pointer to block, never NULL */ - const byte* ptr); /* in: pointer to a frame */ + const byte* ptr); /*!< in: pointer to a frame */ /************************************************************************ Find out if a pointer belongs to a buf_block_t. It can be a pointer to -the buf_block_t itself or a member of it */ +the buf_block_t itself or a member of it +@return TRUE if ptr belongs to a buf_block_t struct */ UNIV_INTERN ibool buf_pointer_is_block_field( /*=======================*/ - /* out: TRUE if ptr belongs - to a buf_block_t struct */ - const void* ptr); /* in: pointer not + const void* ptr); /*!< in: pointer not dereferenced */ #define buf_pool_is_block_mutex(m) \ buf_pointer_is_block_field((void *)(m)) @@ -936,23 +922,23 @@ buf_pointer_is_block_field( #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page -if applicable. */ +if applicable. +@return compressed page descriptor, or NULL */ UNIV_INLINE const page_zip_des_t* buf_frame_get_page_zip( /*===================*/ - /* out: compressed page descriptor, or NULL */ - const byte* ptr); /* in: pointer to the page */ + const byte* ptr); /*!< in: pointer to the page */ #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ /************************************************************************ This function is used to get info if there is an io operation -going on on a buffer page. */ +going on on a buffer page. +@return TRUE if io going on */ UNIV_INLINE ibool buf_page_io_query( /*==============*/ - /* out: TRUE if io going on */ - buf_page_t* bpage); /* in: pool block, must be bufferfixed */ + buf_page_t* bpage); /*!< in: pool block, must be bufferfixed */ /************************************************************************ Function which inits a page for read to the buffer buf_pool. If the page is (1) already in buf_pool, or @@ -961,21 +947,21 @@ Function which inits a page for read to the buffer buf_pool. If the page is then this function does nothing. Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock on the buffer frame. The io-handler must take care that the flag is cleared -and the lock released later. */ +and the lock released later. +@return pointer to the block or NULL */ UNIV_INTERN buf_page_t* buf_page_init_for_read( /*===================*/ - /* out: pointer to the block or NULL */ - ulint* err, /* out: DB_SUCCESS or DB_TABLESPACE_DELETED */ - ulint mode, /* in: BUF_READ_IBUF_PAGES_ONLY, ... */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size, or 0 */ - ibool unzip, /* in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version,/* in: prevents reading from a wrong + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong version of the tablespace in case we have done DISCARD + IMPORT */ - ulint offset);/* in: page number */ + ulint offset);/*!< in: page number */ /************************************************************************ Completes an asynchronous read or write request of a file page to or from the buffer pool. */ @@ -983,52 +969,52 @@ UNIV_INTERN void buf_page_io_complete( /*=================*/ - buf_page_t* bpage); /* in: pointer to the block in question */ + buf_page_t* bpage); /*!< in: pointer to the block in question */ /************************************************************************ Calculates a folded value of a file page address to use in the page hash -table. */ +table. +@return the folded value */ UNIV_INLINE ulint buf_page_address_fold( /*==================*/ - /* out: the folded value */ - ulint space, /* in: space id */ - ulint offset) /* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ __attribute__((const)); /********************************************************************** -Returns the control block of a file page, NULL if not found. */ +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found */ UNIV_INLINE buf_page_t* buf_page_hash_get( /*==============*/ - /* out: block, NULL if not found */ - ulint space, /* in: space id */ - ulint offset);/* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: offset of the page within space */ /********************************************************************** Returns the control block of a file page, NULL if not found -or an uncompressed page frame does not exist. */ +or an uncompressed page frame does not exist. +@return block, NULL if not found */ UNIV_INLINE buf_block_t* buf_block_hash_get( /*===============*/ - /* out: block, NULL if not found */ - ulint space, /* in: space id */ - ulint offset);/* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: offset of the page within space */ /*********************************************************************** Increments the pool clock by one and returns its new value. Remember that -in the 32 bit version the clock wraps around at 4 billion! */ +in the 32 bit version the clock wraps around at 4 billion! +@return new clock value */ UNIV_INLINE ulint buf_pool_clock_tic(void); /*====================*/ - /* out: new clock value */ /************************************************************************* -Gets the current length of the free list of buffer blocks. */ +Gets the current length of the free list of buffer blocks. +@return length of the free list */ UNIV_INTERN ulint buf_get_free_list_len(void); /*=======================*/ - /* out: length of the free list */ /******************************************************************** Stop watching if the marked page is read in. */ UNIV_INTERN @@ -1041,19 +1027,18 @@ UNIV_INTERN void buf_pool_watch_notify( /*==================*/ - ulint space, /* in: space id of page read in */ - ulint offset);/* in: offset of page read in */ + ulint space, /*!< in: space id of page read in */ + ulint offset);/*!< in: offset of page read in */ /******************************************************************** Check if the given page is being watched and has been read to the buffer -pool. */ +pool. +@return TRUE if the given page is being watched and it has been read in */ UNIV_INTERN ibool buf_pool_watch_occurred( /*====================*/ - /* out: TRUE if the given page is being - watched and it has been read in */ - ulint space, /* in: space id */ - ulint page_no); /* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no); /*!< in: page number */ #endif /* !UNIV_HOTBACKUP */ /* The common buffer control block structure @@ -1514,7 +1499,7 @@ FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if (1) buf_fix_count == 0, (2) oldest_modification == 0, and (3) io_fix == 0. -*/ + */ #ifndef UNIV_NONINL #include "buf0buf.ic" diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 934a6a09585..42eddf22476 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -36,26 +36,26 @@ Created 11/5/1995 Heikki Tuuri #include "buf0rea.h" /************************************************************************ -Reads the freed_page_clock of a buffer block. */ +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ UNIV_INLINE ulint buf_page_get_freed_page_clock( /*==========================*/ - /* out: freed_page_clock */ - const buf_page_t* bpage) /* in: block */ + const buf_page_t* bpage) /*!< in: block */ { /* This is sometimes read without holding buf_pool_mutex. */ return(bpage->freed_page_clock); } /************************************************************************ -Reads the freed_page_clock of a buffer block. */ +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ UNIV_INLINE ulint buf_block_get_freed_page_clock( /*===========================*/ - /* out: freed_page_clock */ - const buf_block_t* block) /* in: block */ + const buf_block_t* block) /*!< in: block */ { return(buf_page_get_freed_page_clock(&block->page)); } @@ -63,14 +63,13 @@ buf_block_get_freed_page_clock( /************************************************************************ Recommends a move of a block to the start of the LRU list if there is danger of dropping from the buffer pool. NOTE: does not reserve the buffer pool -mutex. */ +mutex. +@return TRUE if should be made younger */ UNIV_INLINE ibool buf_page_peek_if_too_old( /*=====================*/ - /* out: TRUE if should be made - younger */ - const buf_page_t* bpage) /* in: block to make younger */ + const buf_page_t* bpage) /*!< in: block to make younger */ { return(buf_pool->freed_page_clock >= buf_page_get_freed_page_clock(bpage) @@ -78,25 +77,24 @@ buf_page_peek_if_too_old( } /************************************************************************* -Gets the current size of buffer buf_pool in bytes. */ +Gets the current size of buffer buf_pool in bytes. +@return size in bytes */ UNIV_INLINE ulint buf_pool_get_curr_size(void) /*========================*/ - /* out: size in bytes */ { return(buf_pool->curr_size * UNIV_PAGE_SIZE); } /************************************************************************ Gets the smallest oldest_modification lsn for any page in the pool. Returns -zero if all modified pages have been flushed to disk. */ +zero if all modified pages have been flushed to disk. +@return oldest modification in pool, zero if none */ UNIV_INLINE ib_uint64_t buf_pool_get_oldest_modification(void) /*==================================*/ - /* out: oldest modification in pool, - zero if none */ { buf_page_t* bpage; ib_uint64_t lsn; @@ -122,12 +120,12 @@ buf_pool_get_oldest_modification(void) /*********************************************************************** Increments the buf_pool clock by one and returns its new value. Remember -that in the 32 bit version the clock wraps around at 4 billion! */ +that in the 32 bit version the clock wraps around at 4 billion! +@return new clock value */ UNIV_INLINE ulint buf_pool_clock_tic(void) /*====================*/ - /* out: new clock value */ { ut_ad(buf_pool_mutex_own()); @@ -138,13 +136,13 @@ buf_pool_clock_tic(void) #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Gets the state of a block. */ +Gets the state of a block. +@return state */ UNIV_INLINE enum buf_page_state buf_page_get_state( /*===============*/ - /* out: state */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ { enum buf_page_state state = (enum buf_page_state) bpage->state; @@ -167,13 +165,13 @@ buf_page_get_state( return(state); } /************************************************************************* -Gets the state of a block. */ +Gets the state of a block. +@return state */ UNIV_INLINE enum buf_page_state buf_block_get_state( /*================*/ - /* out: state */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { return(buf_page_get_state(&block->page)); } @@ -183,8 +181,8 @@ UNIV_INLINE void buf_page_set_state( /*===============*/ - buf_page_t* bpage, /* in/out: pointer to control block */ - enum buf_page_state state) /* in: state */ + buf_page_t* bpage, /*!< in/out: pointer to control block */ + enum buf_page_state state) /*!< in: state */ { #ifdef UNIV_DEBUG enum buf_page_state old_state = buf_page_get_state(bpage); @@ -229,20 +227,20 @@ UNIV_INLINE void buf_block_set_state( /*================*/ - buf_block_t* block, /* in/out: pointer to control block */ - enum buf_page_state state) /* in: state */ + buf_block_t* block, /*!< in/out: pointer to control block */ + enum buf_page_state state) /*!< in: state */ { buf_page_set_state(&block->page, state); } /************************************************************************* -Determines if a block is mapped to a tablespace. */ +Determines if a block is mapped to a tablespace. +@return TRUE if mapped */ UNIV_INLINE ibool buf_page_in_file( /*=============*/ - /* out: TRUE if mapped */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ { switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: @@ -266,14 +264,13 @@ buf_page_in_file( #ifndef UNIV_HOTBACKUP /************************************************************************* -Determines if a block should be on unzip_LRU list. */ +Determines if a block should be on unzip_LRU list. +@return TRUE if block belongs to unzip_LRU */ UNIV_INLINE ibool buf_page_belongs_to_unzip_LRU( /*==========================*/ - /* out: TRUE if block belongs - to unzip_LRU */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ { ut_ad(buf_page_in_file(bpage)); @@ -282,13 +279,13 @@ buf_page_belongs_to_unzip_LRU( } /************************************************************************* -Determine the approximate LRU list position of a block. */ +Determine the approximate LRU list position of a block. +@return LRU list position */ UNIV_INLINE ulint buf_page_get_LRU_position( /*======================*/ - /* out: LRU list position */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ { ut_ad(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); @@ -297,14 +294,13 @@ buf_page_get_LRU_position( } /************************************************************************* -Gets the mutex of a block. */ +Gets the mutex of a block. +@return pointer to mutex protecting bpage */ UNIV_INLINE mutex_t* buf_page_get_mutex( /*===============*/ - /* out: pointer to mutex - protecting bpage */ - const buf_page_t* bpage) /* in: pointer to control block */ + const buf_page_t* bpage) /*!< in: pointer to control block */ { switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: @@ -319,13 +315,13 @@ buf_page_get_mutex( } /************************************************************************* -Get the flush type of a page. */ +Get the flush type of a page. +@return flush type */ UNIV_INLINE enum buf_flush buf_page_get_flush_type( /*====================*/ - /* out: flush type */ - const buf_page_t* bpage) /* in: buffer page */ + const buf_page_t* bpage) /*!< in: buffer page */ { enum buf_flush flush_type = (enum buf_flush) bpage->flush_type; @@ -348,8 +344,8 @@ UNIV_INLINE void buf_page_set_flush_type( /*====================*/ - buf_page_t* bpage, /* in: buffer page */ - enum buf_flush flush_type) /* in: flush type */ + buf_page_t* bpage, /*!< in: buffer page */ + enum buf_flush flush_type) /*!< in: flush type */ { bpage->flush_type = flush_type; ut_ad(buf_page_get_flush_type(bpage) == flush_type); @@ -361,9 +357,9 @@ UNIV_INLINE void buf_block_set_file_page( /*====================*/ - buf_block_t* block, /* in/out: pointer to control block */ - ulint space, /* in: tablespace id */ - ulint page_no)/* in: page number */ + buf_block_t* block, /*!< in/out: pointer to control block */ + ulint space, /*!< in: tablespace id */ + ulint page_no)/*!< in: page number */ { buf_block_set_state(block, BUF_BLOCK_FILE_PAGE); block->page.space = space; @@ -371,13 +367,13 @@ buf_block_set_file_page( } /************************************************************************* -Gets the io_fix state of a block. */ +Gets the io_fix state of a block. +@return io_fix state */ UNIV_INLINE enum buf_io_fix buf_page_get_io_fix( /*================*/ - /* out: io_fix state */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ { enum buf_io_fix io_fix = (enum buf_io_fix) bpage->io_fix; #ifdef UNIV_DEBUG @@ -393,13 +389,13 @@ buf_page_get_io_fix( } /************************************************************************* -Gets the io_fix state of a block. */ +Gets the io_fix state of a block. +@return io_fix state */ UNIV_INLINE enum buf_io_fix buf_block_get_io_fix( /*================*/ - /* out: io_fix state */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { return(buf_page_get_io_fix(&block->page)); } @@ -410,8 +406,8 @@ UNIV_INLINE void buf_page_set_io_fix( /*================*/ - buf_page_t* bpage, /* in/out: control block */ - enum buf_io_fix io_fix) /* in: io_fix state */ + buf_page_t* bpage, /*!< in/out: control block */ + enum buf_io_fix io_fix) /*!< in: io_fix state */ { ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); @@ -426,8 +422,8 @@ UNIV_INLINE void buf_block_set_io_fix( /*=================*/ - buf_block_t* block, /* in/out: control block */ - enum buf_io_fix io_fix) /* in: io_fix state */ + buf_block_t* block, /*!< in/out: control block */ + enum buf_io_fix io_fix) /*!< in: io_fix state */ { buf_page_set_io_fix(&block->page, io_fix); } @@ -439,7 +435,7 @@ UNIV_INLINE ibool buf_page_can_relocate( /*==================*/ - const buf_page_t* bpage) /* control block being relocated */ + const buf_page_t* bpage) /*!< control block being relocated */ { ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); @@ -451,13 +447,13 @@ buf_page_can_relocate( } /************************************************************************* -Determine if a block has been flagged old. */ +Determine if a block has been flagged old. +@return TRUE if old */ UNIV_INLINE ibool buf_page_is_old( /*============*/ - /* out: TRUE if old */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ { ut_ad(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); @@ -471,8 +467,8 @@ UNIV_INLINE void buf_page_set_old( /*=============*/ - buf_page_t* bpage, /* in/out: control block */ - ibool old) /* in: old */ + buf_page_t* bpage, /*!< in/out: control block */ + ibool old) /*!< in: old */ { ut_a(buf_page_in_file(bpage)); ut_ad(buf_pool_mutex_own()); @@ -490,13 +486,13 @@ buf_page_set_old( } /************************************************************************* -Determine if a block has been accessed in the buffer pool. */ +Determine if a block has been accessed in the buffer pool. +@return TRUE if accessed */ UNIV_INLINE ibool buf_page_is_accessed( /*=================*/ - /* out: TRUE if accessed */ - const buf_page_t* bpage) /* in: control block */ + const buf_page_t* bpage) /*!< in: control block */ { ut_ad(buf_page_in_file(bpage)); @@ -509,8 +505,8 @@ UNIV_INLINE void buf_page_set_accessed( /*==================*/ - buf_page_t* bpage, /* in/out: control block */ - ibool accessed) /* in: accessed */ + buf_page_t* bpage, /*!< in/out: control block */ + ibool accessed) /*!< in: accessed */ { ut_a(buf_page_in_file(bpage)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); @@ -520,13 +516,13 @@ buf_page_set_accessed( /************************************************************************* Gets the buf_block_t handle of a buffered file block if an uncompressed -page frame exists, or NULL. */ +page frame exists, or NULL. +@return control block, or NULL */ UNIV_INLINE buf_block_t* buf_page_get_block( /*===============*/ - /* out: control block, or NULL */ - buf_page_t* bpage) /* in: control block, or NULL */ + buf_page_t* bpage) /*!< in: control block, or NULL */ { if (UNIV_LIKELY(bpage != NULL)) { ut_ad(buf_page_in_file(bpage)); @@ -542,13 +538,13 @@ buf_page_get_block( #ifdef UNIV_DEBUG /************************************************************************* -Gets a pointer to the memory frame of a block. */ +Gets a pointer to the memory frame of a block. +@return pointer to the frame */ UNIV_INLINE buf_frame_t* buf_block_get_frame( /*================*/ - /* out: pointer to the frame */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { ut_ad(block); @@ -576,13 +572,13 @@ ok: #endif /* UNIV_DEBUG */ /************************************************************************* -Gets the space id of a block. */ +Gets the space id of a block. +@return space id */ UNIV_INLINE ulint buf_page_get_space( /*===============*/ - /* out: space id */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ { ut_ad(bpage); ut_a(buf_page_in_file(bpage)); @@ -591,13 +587,13 @@ buf_page_get_space( } /************************************************************************* -Gets the space id of a block. */ +Gets the space id of a block. +@return space id */ UNIV_INLINE ulint buf_block_get_space( /*================*/ - /* out: space id */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { ut_ad(block); ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); @@ -606,13 +602,13 @@ buf_block_get_space( } /************************************************************************* -Gets the page number of a block. */ +Gets the page number of a block. +@return page number */ UNIV_INLINE ulint buf_page_get_page_no( /*=================*/ - /* out: page number */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ { ut_ad(bpage); ut_a(buf_page_in_file(bpage)); @@ -621,13 +617,13 @@ buf_page_get_page_no( } /************************************************************************* -Gets the page number of a block. */ +Gets the page number of a block. +@return page number */ UNIV_INLINE ulint buf_block_get_page_no( /*==================*/ - /* out: page number */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { ut_ad(block); ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); @@ -636,25 +632,25 @@ buf_block_get_page_no( } /************************************************************************* -Gets the compressed page size of a block. */ +Gets the compressed page size of a block. +@return compressed page size, or 0 */ UNIV_INLINE ulint buf_page_get_zip_size( /*==================*/ - /* out: compressed page size, or 0 */ - const buf_page_t* bpage) /* in: pointer to the control block */ + const buf_page_t* bpage) /*!< in: pointer to the control block */ { return(bpage->zip.ssize ? 512 << bpage->zip.ssize : 0); } /************************************************************************* -Gets the compressed page size of a block. */ +Gets the compressed page size of a block. +@return compressed page size, or 0 */ UNIV_INLINE ulint buf_block_get_zip_size( /*===================*/ - /* out: compressed page size, or 0 */ - const buf_block_t* block) /* in: pointer to the control block */ + const buf_block_t* block) /*!< in: pointer to the control block */ { return(block->page.zip.ssize ? 512 << block->page.zip.ssize : 0); } @@ -663,13 +659,13 @@ buf_block_get_zip_size( #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /************************************************************************* Gets the compressed page descriptor corresponding to an uncompressed page -if applicable. */ +if applicable. +@return compressed page descriptor, or NULL */ UNIV_INLINE const page_zip_des_t* buf_frame_get_page_zip( /*===================*/ - /* out: compressed page descriptor, or NULL */ - const byte* ptr) /* in: pointer to the page */ + const byte* ptr) /*!< in: pointer to the page */ { return(buf_block_get_page_zip(buf_block_align(ptr))); } @@ -683,9 +679,9 @@ UNIV_INLINE void buf_ptr_get_fsp_addr( /*=================*/ - const void* ptr, /* in: pointer to a buffer frame */ - ulint* space, /* out: space id */ - fil_addr_t* addr) /* out: page offset and byte offset */ + const void* ptr, /*!< in: pointer to a buffer frame */ + ulint* space, /*!< out: space id */ + fil_addr_t* addr) /*!< out: page offset and byte offset */ { const page_t* page = (const page_t*) ut_align_down(ptr, UNIV_PAGE_SIZE); @@ -698,26 +694,25 @@ buf_ptr_get_fsp_addr( #ifndef UNIV_HOTBACKUP /************************************************************************** Gets the hash value of the page the pointer is pointing to. This can be used -in searches in the lock hash table. */ +in searches in the lock hash table. +@return lock hash value */ UNIV_INLINE ulint buf_block_get_lock_hash_val( /*========================*/ - /* out: lock hash value */ - const buf_block_t* block) /* in: block */ + const buf_block_t* block) /*!< in: block */ { return(block->lock_hash_val); } /************************************************************************ -Allocates a buffer block. */ +Allocates a buffer block. +@return own: the allocated block, in state BUF_BLOCK_MEMORY */ UNIV_INLINE buf_block_t* buf_block_alloc( /*============*/ - /* out, own: the allocated block, - in state BUF_BLOCK_MEMORY */ - ulint zip_size) /* in: compressed page size in bytes, + ulint zip_size) /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ { buf_block_t* block; @@ -735,7 +730,7 @@ UNIV_INLINE void buf_block_free( /*===========*/ - buf_block_t* block) /* in, own: block to be freed */ + buf_block_t* block) /*!< in, own: block to be freed */ { buf_pool_mutex_enter(); @@ -752,14 +747,14 @@ buf_block_free( #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Copies contents of a buffer frame to a given buffer. */ +Copies contents of a buffer frame to a given buffer. +@return buf */ UNIV_INLINE byte* buf_frame_copy( /*===========*/ - /* out: buf */ - byte* buf, /* in: buffer to copy to */ - const buf_frame_t* frame) /* in: buffer frame */ + byte* buf, /*!< in: buffer to copy to */ + const buf_frame_t* frame) /*!< in: buffer frame */ { ut_ad(buf && frame); @@ -771,27 +766,27 @@ buf_frame_copy( #ifndef UNIV_HOTBACKUP /************************************************************************ Calculates a folded value of a file page address to use in the page hash -table. */ +table. +@return the folded value */ UNIV_INLINE ulint buf_page_address_fold( /*==================*/ - /* out: the folded value */ - ulint space, /* in: space id */ - ulint offset) /* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ { return((space << 20) + space + offset); } /************************************************************************ This function is used to get info if there is an io operation -going on on a buffer page. */ +going on on a buffer page. +@return TRUE if io going on */ UNIV_INLINE ibool buf_page_io_query( /*==============*/ - /* out: TRUE if io going on */ - buf_page_t* bpage) /* in: buf_pool block, must be bufferfixed */ + buf_page_t* bpage) /*!< in: buf_pool block, must be bufferfixed */ { ibool io_fixed; @@ -808,13 +803,13 @@ buf_page_io_query( /************************************************************************ Gets the youngest modification log sequence number for a frame. -Returns zero if not file page or no modification occurred yet. */ +Returns zero if not file page or no modification occurred yet. +@return newest modification to page */ UNIV_INLINE ib_uint64_t buf_page_get_newest_modification( /*=============================*/ - /* out: newest modification to page */ - const buf_page_t* bpage) /* in: block containing the + const buf_page_t* bpage) /*!< in: block containing the page frame */ { ib_uint64_t lsn; @@ -841,7 +836,7 @@ UNIV_INLINE void buf_block_modify_clock_inc( /*=======================*/ - buf_block_t* block) /* in: block */ + buf_block_t* block) /*!< in: block */ { #ifdef UNIV_SYNC_DEBUG ut_ad((buf_pool_mutex_own() @@ -854,13 +849,13 @@ buf_block_modify_clock_inc( /************************************************************************ Returns the value of the modify clock. The caller must have an s-lock -or x-lock on the block. */ +or x-lock on the block. +@return value */ UNIV_INLINE ib_uint64_t buf_block_get_modify_clock( /*=======================*/ - /* out: value */ - buf_block_t* block) /* in: block */ + buf_block_t* block) /*!< in: block */ { #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) @@ -877,10 +872,10 @@ void buf_block_buf_fix_inc_func( /*=======================*/ #ifdef UNIV_SYNC_DEBUG - const char* file, /* in: file name */ - ulint line, /* in: line */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line */ #endif /* UNIV_SYNC_DEBUG */ - buf_block_t* block) /* in: block to bufferfix */ + buf_block_t* block) /*!< in: block to bufferfix */ { #ifdef UNIV_SYNC_DEBUG ibool ret; @@ -904,7 +899,7 @@ UNIV_INLINE void buf_block_buf_fix_dec( /*==================*/ - buf_block_t* block) /* in: block to bufferunfix */ + buf_block_t* block) /*!< in: block to bufferunfix */ { ut_ad(mutex_own(&block->mutex)); @@ -915,14 +910,14 @@ buf_block_buf_fix_dec( } /********************************************************************** -Returns the control block of a file page, NULL if not found. */ +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found */ UNIV_INLINE buf_page_t* buf_page_hash_get( /*==============*/ - /* out: block, NULL if not found */ - ulint space, /* in: space id */ - ulint offset) /* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ { buf_page_t* bpage; ulint fold; @@ -950,30 +945,28 @@ buf_page_hash_get( /********************************************************************** Returns the control block of a file page, NULL if not found -or an uncompressed page frame does not exist. */ +or an uncompressed page frame does not exist. +@return block, NULL if not found */ UNIV_INLINE buf_block_t* buf_block_hash_get( /*===============*/ - /* out: block, NULL if not found */ - ulint space, /* in: space id */ - ulint offset) /* in: offset of the page within space */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ { return(buf_page_get_block(buf_page_hash_get(space, offset))); } /************************************************************************ Returns TRUE if the page can be found in the buffer pool hash table. NOTE -that it is possible that the page is not yet read from disk, though. */ +that it is possible that the page is not yet read from disk, though. +@return TRUE if found from page hash table, NOTE that the page is not necessarily yet read from disk! */ UNIV_INLINE ibool buf_page_peek( /*==========*/ - /* out: TRUE if found from page hash table, - NOTE that the page is not necessarily yet read - from disk! */ - ulint space, /* in: space id */ - ulint offset) /* in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { const buf_page_t* bpage; @@ -992,7 +985,7 @@ UNIV_INLINE void buf_page_release_zip( /*=================*/ - buf_page_t* bpage) /* in: buffer block */ + buf_page_t* bpage) /*!< in: buffer block */ { buf_block_t* block; @@ -1033,10 +1026,10 @@ UNIV_INLINE void buf_page_release( /*=============*/ - buf_block_t* block, /* in: buffer block */ - ulint rw_latch, /* in: RW_S_LATCH, RW_X_LATCH, + buf_block_t* block, /*!< in: buffer block */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(block); @@ -1074,9 +1067,9 @@ UNIV_INLINE void buf_block_dbg_add_level( /*====================*/ - buf_block_t* block, /* in: buffer page + buf_block_t* block, /*!< in: buffer page where we have acquired latch */ - ulint level) /* in: latching order level */ + ulint level) /*!< in: latching order level */ { sync_thread_add_level(&block->lock, level); } diff --git a/include/buf0flu.h b/include/buf0flu.h index becce72c3e4..b026f975573 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -37,7 +37,7 @@ UNIV_INTERN void buf_flush_remove( /*=============*/ - buf_page_t* bpage); /* in: pointer to the block in question */ + buf_page_t* bpage); /*!< in: pointer to the block in question */ /*********************************************************************** Relocates a buffer control block on the flush_list. Note that it is assumed that the contents of bpage has already been @@ -46,15 +46,15 @@ UNIV_INTERN void buf_flush_relocate_on_flush_list( /*=============================*/ - buf_page_t* bpage, /* in/out: control block being moved */ - buf_page_t* dpage); /* in/out: destination block */ + buf_page_t* bpage, /*!< in/out: control block being moved */ + buf_page_t* dpage); /*!< in/out: destination block */ /************************************************************************ Updates the flush system data structures when a write is completed. */ UNIV_INTERN void buf_flush_write_complete( /*=====================*/ - buf_page_t* bpage); /* in: pointer to the block in question */ + buf_page_t* bpage); /*!< in: pointer to the block in question */ /************************************************************************* Flushes pages from the end of the LRU list if there is too small a margin of replaceable pages there. */ @@ -69,9 +69,9 @@ UNIV_INTERN void buf_flush_init_for_writing( /*=======================*/ - byte* page, /* in/out: page */ - void* page_zip_, /* in/out: compressed page, or NULL */ - ib_uint64_t newest_lsn); /* in: newest modification lsn + byte* page, /*!< in/out: page */ + void* page_zip_, /*!< in/out: compressed page, or NULL */ + ib_uint64_t newest_lsn); /*!< in: newest modification lsn to the page */ #ifndef UNIV_HOTBACKUP /*********************************************************************** @@ -79,23 +79,20 @@ This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to pages: to avoid deadlocks, this function must be written so that it cannot end up waiting for these latches! NOTE 2: in the case of a flush list flush, -the calling thread is not allowed to own any latches on pages! */ +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ UNIV_INTERN ulint buf_flush_batch( /*============*/ - /* out: number of blocks for which the - write request was queued; - ULINT_UNDEFINED if there was a flush - of the same type already running */ - enum buf_flush flush_type, /* in: BUF_FLUSH_LRU or + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST; if BUF_FLUSH_LIST, then the caller must not own any latches on pages */ - ulint min_n, /* in: wished minimum mumber of blocks + ulint min_n, /*!< in: wished minimum mumber of blocks flushed (it is not guaranteed that the actual number is that big, though) */ - ib_uint64_t lsn_limit); /* in the case BUF_FLUSH_LIST all + ib_uint64_t lsn_limit); /*!< in the case BUF_FLUSH_LIST all blocks whose oldest_modification is smaller than this should be flushed (if their number does not exceed @@ -106,7 +103,7 @@ UNIV_INTERN void buf_flush_wait_batch_end( /*=====================*/ - enum buf_flush type); /* in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ + enum buf_flush type); /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ /************************************************************************ This function should be called at a mini-transaction commit, if a page was modified in it. Puts the block to the list of modified blocks, if it not @@ -115,37 +112,37 @@ UNIV_INLINE void buf_flush_note_modification( /*========================*/ - buf_block_t* block, /* in: block which is modified */ - mtr_t* mtr); /* in: mtr */ + buf_block_t* block, /*!< in: block which is modified */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************ This function should be called when recovery has modified a buffer page. */ UNIV_INLINE void buf_flush_recv_note_modification( /*=============================*/ - buf_block_t* block, /* in: block which is modified */ - ib_uint64_t start_lsn, /* in: start lsn of the first mtr in a + buf_block_t* block, /*!< in: block which is modified */ + ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a set of mtr's */ - ib_uint64_t end_lsn); /* in: end lsn of the last mtr in the + ib_uint64_t end_lsn); /*!< in: end lsn of the last mtr in the set of mtr's */ /************************************************************************ Returns TRUE if the file page block is immediately suitable for replacement, -i.e., transition FILE_PAGE => NOT_USED allowed. */ +i.e., transition FILE_PAGE => NOT_USED allowed. +@return TRUE if can replace immediately */ UNIV_INTERN ibool buf_flush_ready_for_replace( /*========================*/ - /* out: TRUE if can replace immediately */ - buf_page_t* bpage); /* in: buffer control block, must be + buf_page_t* bpage); /*!< in: buffer control block, must be buf_page_in_file(bpage) and in the LRU list */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************** -Validates the flush list. */ +Validates the flush list. +@return TRUE if ok */ UNIV_INTERN ibool buf_flush_validate(void); /*====================*/ - /* out: TRUE if ok */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ /************************************************************************ diff --git a/include/buf0flu.ic b/include/buf0flu.ic index 5d56cd76ee1..20ba622fd63 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -32,7 +32,7 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block); /* in/out: block which is modified */ + buf_block_t* block); /*!< in/out: block which is modified */ /************************************************************************ Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not @@ -41,7 +41,7 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block); /* in/out: block which is modified */ + buf_block_t* block); /*!< in/out: block which is modified */ /************************************************************************ This function should be called at a mini-transaction commit, if a page was @@ -51,8 +51,8 @@ UNIV_INLINE void buf_flush_note_modification( /*========================*/ - buf_block_t* block, /* in: block which is modified */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* block, /*!< in: block which is modified */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(block); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); @@ -87,10 +87,10 @@ UNIV_INLINE void buf_flush_recv_note_modification( /*=============================*/ - buf_block_t* block, /* in: block which is modified */ - ib_uint64_t start_lsn, /* in: start lsn of the first mtr in a + buf_block_t* block, /*!< in: block which is modified */ + ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a set of mtr's */ - ib_uint64_t end_lsn) /* in: end lsn of the last mtr in the + ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the set of mtr's */ { ut_ad(block); diff --git a/include/buf0lru.h b/include/buf0lru.h index 79baa54923a..31ba6f47032 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -56,13 +56,12 @@ buf_LRU_try_free_flushed_blocks(void); /********************************************************************** Returns TRUE if less than 25 % of the buffer pool is available. This can be used in heuristics to prevent huge transactions eating up the whole buffer -pool for their locks. */ +pool for their locks. +@return TRUE if less than 25 % of buffer pool left */ UNIV_INTERN ibool buf_LRU_buf_pool_running_out(void); /*==============================*/ - /* out: TRUE if less than 25 % of buffer pool - left */ /*####################################################################### These are low-level functions @@ -83,23 +82,23 @@ UNIV_INTERN void buf_LRU_invalidate_tablespace( /*==========================*/ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /********************************************************************** Gets the minimum LRU_position field for the blocks in an initial segment (determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not -guaranteed to be precise, because the ulint_clock may wrap around. */ +guaranteed to be precise, because the ulint_clock may wrap around. +@return the limit; zero if could not determine it */ UNIV_INTERN ulint buf_LRU_get_recent_limit(void); /*==========================*/ - /* out: the limit; zero if could not determine it */ /************************************************************************ Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN void buf_LRU_insert_zip_clean( /*=====================*/ - buf_page_t* bpage); /* in: pointer to the block in question */ + buf_page_t* bpage); /*!< in: pointer to the block in question */ /********************************************************************** Try to free a block. If bpage is a descriptor of a compressed-only @@ -111,29 +110,27 @@ accessible via bpage. The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other -buf_page_get_mutex() may be held when calling this function. */ +buf_page_get_mutex() may be held when calling this function. +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or BUF_LRU_NOT_FREED otherwise. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( /*===============*/ - /* out: BUF_LRU_FREED if freed, - BUF_LRU_CANNOT_RELOCATE or - BUF_LRU_NOT_FREED otherwise. */ - buf_page_t* bpage, /* in: block to be freed */ - ibool zip, /* in: TRUE if should remove also the + buf_page_t* bpage, /*!< in: block to be freed */ + ibool zip, /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ ibool* buf_pool_mutex_released); - /* in: pointer to a variable that will + /*!< in: pointer to a variable that will be assigned TRUE if buf_pool_mutex was temporarily released, or NULL */ /********************************************************************** -Try to free a replaceable block. */ +Try to free a replaceable block. +@return TRUE if found and freed */ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - /* out: TRUE if found and freed */ - ulint n_iterations); /* in: how many times this has been called + ulint n_iterations); /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; if n_iterations < 10, then we search @@ -143,24 +140,22 @@ buf_LRU_search_and_free_block( n_iterations / 5 of the unzip_LRU list. */ /********************************************************************** Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, returns NULL. */ +free list. If it is empty, returns NULL. +@return a free control block, or NULL if the buf_block->free list is empty */ UNIV_INTERN buf_block_t* buf_LRU_get_free_only(void); /*=======================*/ - /* out: a free control block, or NULL - if the buf_block->free list is empty */ /********************************************************************** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, blocks are moved from the end of the -LRU list to the free list. */ +LRU list to the free list. +@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ UNIV_INTERN buf_block_t* buf_LRU_get_free_block( /*===================*/ - /* out: the free control block, - in state BUF_BLOCK_READY_FOR_USE */ - ulint zip_size); /* in: compressed page size in bytes, + ulint zip_size); /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ /********************************************************************** @@ -169,15 +164,15 @@ UNIV_INTERN void buf_LRU_block_free_non_file_page( /*=============================*/ - buf_block_t* block); /* in: block, must not contain a file page */ + buf_block_t* block); /*!< in: block, must not contain a file page */ /********************************************************************** Adds a block to the LRU list. */ UNIV_INTERN void buf_LRU_add_block( /*==============*/ - buf_page_t* bpage, /* in: control block */ - ibool old); /* in: TRUE if should be put to the old + buf_page_t* bpage, /*!< in: control block */ + ibool old); /*!< in: TRUE if should be put to the old blocks in the LRU list, else put to the start; if the LRU list is very short, added to the start regardless of this parameter */ @@ -187,8 +182,8 @@ UNIV_INTERN void buf_unzip_LRU_add_block( /*====================*/ - buf_block_t* block, /* in: control block */ - ibool old); /* in: TRUE if should be put to the end + buf_block_t* block, /*!< in: control block */ + ibool old); /*!< in: TRUE if should be put to the end of the list, else put to the start */ /********************************************************************** Moves a block to the start of the LRU list. */ @@ -196,14 +191,14 @@ UNIV_INTERN void buf_LRU_make_block_young( /*=====================*/ - buf_page_t* bpage); /* in: control block */ + buf_page_t* bpage); /*!< in: control block */ /********************************************************************** Moves a block to the end of the LRU list. */ UNIV_INTERN void buf_LRU_make_block_old( /*===================*/ - buf_page_t* bpage); /* in: control block */ + buf_page_t* bpage); /*!< in: control block */ /************************************************************************ Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ @@ -214,12 +209,12 @@ buf_LRU_stat_update(void); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** -Validates the LRU list. */ +Validates the LRU list. +@return TRUE */ UNIV_INTERN ibool buf_LRU_validate(void); /*==================*/ - /* out: TRUE */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** diff --git a/include/buf0rea.h b/include/buf0rea.h index 6d138a3a02b..7530f4ab12f 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -33,16 +33,15 @@ High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock released by the i/o-handler thread. Does a random read-ahead if it seems -sensible. */ +sensible. +@return number of page read requests issued: this can be > 1 if read-ahead occurred */ UNIV_INTERN ulint buf_read_page( /*==========*/ - /* out: number of page read requests issued: this can - be > 1 if read-ahead occurred */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint offset);/* in: page number */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset);/*!< in: page number */ /************************************************************************ Applies linear read-ahead if in the buf_pool the page is a border page of a linear read-ahead area and all the pages in the area have been accessed. @@ -65,15 +64,15 @@ function must be written such that it cannot end up waiting for these latches! NOTE 3: the calling thread must want access to the page given: this rule is set to prevent unintended read-aheads performed by ibuf routines, a situation -which could result in a deadlock if the OS does not support asynchronous io. */ +which could result in a deadlock if the OS does not support asynchronous io. +@return number of page read requests issued */ UNIV_INTERN ulint buf_read_ahead_linear( /*==================*/ - /* out: number of page read requests issued */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint offset);/* in: page number of a page; NOTE: the current thread + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset);/*!< in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ /************************************************************************ Issues read requests for pages which the ibuf module wants to read in, in @@ -83,24 +82,24 @@ UNIV_INTERN void buf_read_ibuf_merge_pages( /*======================*/ - ibool sync, /* in: TRUE if the caller + ibool sync, /*!< in: TRUE if the caller wants this function to wait for the highest address page to get read in, before this function returns */ - const ulint* space_ids, /* in: array of space ids */ - const ib_int64_t* space_versions,/* in: the spaces must have + const ulint* space_ids, /*!< in: array of space ids */ + const ib_int64_t* space_versions,/*!< in: the spaces must have this version number (timestamp), otherwise we discard the read; we use this to cancel reads if DISCARD + IMPORT may have changed the tablespace size */ - const ulint* page_nos, /* in: array of page numbers + const ulint* page_nos, /*!< in: array of page numbers to read, with the highest page number the last in the array */ - ulint n_stored); /* in: number of elements + ulint n_stored); /*!< in: number of elements in the arrays */ /************************************************************************ Issues read requests for pages which recovery wants to read in. */ @@ -108,19 +107,19 @@ UNIV_INTERN void buf_read_recv_pages( /*================*/ - ibool sync, /* in: TRUE if the caller + ibool sync, /*!< in: TRUE if the caller wants this function to wait for the highest address page to get read in, before this function returns */ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes, or 0 */ - const ulint* page_nos, /* in: array of page numbers + const ulint* page_nos, /*!< in: array of page numbers to read, with the highest page number the last in the array */ - ulint n_stored); /* in: number of page numbers + ulint n_stored); /*!< in: number of page numbers in the array */ /* The size in pages of the area which the read-ahead algorithms read if diff --git a/include/data0data.h b/include/data0data.h index 18e541e0eeb..3ac5678c603 100644 --- a/include/data0data.h +++ b/include/data0data.h @@ -36,21 +36,21 @@ typedef struct big_rec_struct big_rec_t; #ifdef UNIV_DEBUG /************************************************************************* -Gets pointer to the type struct of SQL data field. */ +Gets pointer to the type struct of SQL data field. +@return pointer to the type struct */ UNIV_INLINE dtype_t* dfield_get_type( /*============*/ - /* out: pointer to the type struct */ - const dfield_t* field); /* in: SQL data field */ + const dfield_t* field); /*!< in: SQL data field */ /************************************************************************* -Gets pointer to the data in a field. */ +Gets pointer to the data in a field. +@return pointer to data */ UNIV_INLINE void* dfield_get_data( /*============*/ - /* out: pointer to data */ - const dfield_t* field); /* in: field */ + const dfield_t* field); /*!< in: field */ #else /* UNIV_DEBUG */ # define dfield_get_type(field) (&(field)->type) # define dfield_get_data(field) ((field)->data) @@ -61,193 +61,191 @@ UNIV_INLINE void dfield_set_type( /*============*/ - dfield_t* field, /* in: SQL data field */ - dtype_t* type); /* in: pointer to data type struct */ + dfield_t* field, /*!< in: SQL data field */ + dtype_t* type); /*!< in: pointer to data type struct */ /************************************************************************* -Gets length of field data. */ +Gets length of field data. +@return length of data; UNIV_SQL_NULL if SQL null data */ UNIV_INLINE ulint dfield_get_len( /*===========*/ - /* out: length of data; UNIV_SQL_NULL if - SQL null data */ - const dfield_t* field); /* in: field */ + const dfield_t* field); /*!< in: field */ /************************************************************************* Sets length in a field. */ UNIV_INLINE void dfield_set_len( /*===========*/ - dfield_t* field, /* in: field */ - ulint len); /* in: length or UNIV_SQL_NULL */ + dfield_t* field, /*!< in: field */ + ulint len); /*!< in: length or UNIV_SQL_NULL */ /************************************************************************* -Determines if a field is SQL NULL */ +Determines if a field is SQL NULL +@return nonzero if SQL null data */ UNIV_INLINE ulint dfield_is_null( /*===========*/ - /* out: nonzero if SQL null data */ - const dfield_t* field); /* in: field */ + const dfield_t* field); /*!< in: field */ /************************************************************************* -Determines if a field is externally stored */ +Determines if a field is externally stored +@return nonzero if externally stored */ UNIV_INLINE ulint dfield_is_ext( /*==========*/ - /* out: nonzero if externally stored */ - const dfield_t* field); /* in: field */ + const dfield_t* field); /*!< in: field */ /************************************************************************* Sets the "external storage" flag */ UNIV_INLINE void dfield_set_ext( /*===========*/ - dfield_t* field); /* in/out: field */ + dfield_t* field); /*!< in/out: field */ /************************************************************************* Sets pointer to the data and length in a field. */ UNIV_INLINE void dfield_set_data( /*============*/ - dfield_t* field, /* in: field */ - const void* data, /* in: data */ - ulint len); /* in: length or UNIV_SQL_NULL */ + dfield_t* field, /*!< in: field */ + const void* data, /*!< in: data */ + ulint len); /*!< in: length or UNIV_SQL_NULL */ /************************************************************************* Sets a data field to SQL NULL. */ UNIV_INLINE void dfield_set_null( /*============*/ - dfield_t* field); /* in/out: field */ + dfield_t* field); /*!< in/out: field */ /************************************************************************** Writes an SQL null field full of zeros. */ UNIV_INLINE void data_write_sql_null( /*================*/ - byte* data, /* in: pointer to a buffer of size len */ - ulint len); /* in: SQL null size in bytes */ + byte* data, /*!< in: pointer to a buffer of size len */ + ulint len); /*!< in: SQL null size in bytes */ /************************************************************************* Copies the data and len fields. */ UNIV_INLINE void dfield_copy_data( /*=============*/ - dfield_t* field1, /* out: field to copy to */ - const dfield_t* field2);/* in: field to copy from */ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2);/*!< in: field to copy from */ /************************************************************************* Copies a data field to another. */ UNIV_INLINE void dfield_copy( /*========*/ - dfield_t* field1, /* out: field to copy to */ - const dfield_t* field2);/* in: field to copy from */ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2);/*!< in: field to copy from */ /************************************************************************* Copies the data pointed to by a data field. */ UNIV_INLINE void dfield_dup( /*=======*/ - dfield_t* field, /* in/out: data field */ - mem_heap_t* heap); /* in: memory heap where allocated */ + dfield_t* field, /*!< in/out: data field */ + mem_heap_t* heap); /*!< in: memory heap where allocated */ /************************************************************************* -Tests if data length and content is equal for two dfields. */ +Tests if data length and content is equal for two dfields. +@return TRUE if equal */ UNIV_INLINE ibool dfield_datas_are_binary_equal( /*==========================*/ - /* out: TRUE if equal */ - const dfield_t* field1, /* in: field */ - const dfield_t* field2);/* in: field */ + const dfield_t* field1, /*!< in: field */ + const dfield_t* field2);/*!< in: field */ /************************************************************************* -Tests if dfield data length and content is equal to the given. */ +Tests if dfield data length and content is equal to the given. +@return TRUE if equal */ UNIV_INTERN ibool dfield_data_is_binary_equal( /*========================*/ - /* out: TRUE if equal */ - const dfield_t* field, /* in: field */ - ulint len, /* in: data length or UNIV_SQL_NULL */ - const byte* data); /* in: data */ + const dfield_t* field, /*!< in: field */ + ulint len, /*!< in: data length or UNIV_SQL_NULL */ + const byte* data); /*!< in: data */ /************************************************************************* -Gets number of fields in a data tuple. */ +Gets number of fields in a data tuple. +@return number of fields */ UNIV_INLINE ulint dtuple_get_n_fields( /*================*/ - /* out: number of fields */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ #ifdef UNIV_DEBUG /************************************************************************* -Gets nth field of a tuple. */ +Gets nth field of a tuple. +@return nth field */ UNIV_INLINE dfield_t* dtuple_get_nth_field( /*=================*/ - /* out: nth field */ - const dtuple_t* tuple, /* in: tuple */ - ulint n); /* in: index of field */ + const dtuple_t* tuple, /*!< in: tuple */ + ulint n); /*!< in: index of field */ #else /* UNIV_DEBUG */ # define dtuple_get_nth_field(tuple, n) ((tuple)->fields + (n)) #endif /* UNIV_DEBUG */ /************************************************************************* -Gets info bits in a data tuple. */ +Gets info bits in a data tuple. +@return info bits */ UNIV_INLINE ulint dtuple_get_info_bits( /*=================*/ - /* out: info bits */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ /************************************************************************* Sets info bits in a data tuple. */ UNIV_INLINE void dtuple_set_info_bits( /*=================*/ - dtuple_t* tuple, /* in: tuple */ - ulint info_bits); /* in: info bits */ + dtuple_t* tuple, /*!< in: tuple */ + ulint info_bits); /*!< in: info bits */ /************************************************************************* -Gets number of fields used in record comparisons. */ +Gets number of fields used in record comparisons. +@return number of fields used in comparisons in rem0cmp.* */ UNIV_INLINE ulint dtuple_get_n_fields_cmp( /*====================*/ - /* out: number of fields used in comparisons - in rem0cmp.* */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ /************************************************************************* Gets number of fields used in record comparisons. */ UNIV_INLINE void dtuple_set_n_fields_cmp( /*====================*/ - dtuple_t* tuple, /* in: tuple */ - ulint n_fields_cmp); /* in: number of fields used in + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields_cmp); /*!< in: number of fields used in comparisons in rem0cmp.* */ /************************************************************** Creates a data tuple to a memory heap. The default value for number -of fields used in record comparisons for this tuple is n_fields. */ +of fields used in record comparisons for this tuple is n_fields. +@return own: created tuple */ UNIV_INLINE dtuple_t* dtuple_create( /*==========*/ - /* out, own: created tuple */ - mem_heap_t* heap, /* in: memory heap where the tuple + mem_heap_t* heap, /*!< in: memory heap where the tuple is created */ - ulint n_fields); /* in: number of fields */ + ulint n_fields); /*!< in: number of fields */ /************************************************************** Wrap data fields in a tuple. The default value for number -of fields used in record comparisons for this tuple is n_fields. */ +of fields used in record comparisons for this tuple is n_fields. +@return data tuple */ UNIV_INLINE const dtuple_t* dtuple_from_fields( /*===============*/ - /* out: data tuple */ - dtuple_t* tuple, /* in: storage for data tuple */ - const dfield_t* fields, /* in: fields */ - ulint n_fields); /* in: number of fields */ + dtuple_t* tuple, /*!< in: storage for data tuple */ + const dfield_t* fields, /*!< in: fields */ + ulint n_fields); /*!< in: number of fields */ /************************************************************************* Sets number of fields used in a tuple. Normally this is set in @@ -256,59 +254,58 @@ UNIV_INTERN void dtuple_set_n_fields( /*================*/ - dtuple_t* tuple, /* in: tuple */ - ulint n_fields); /* in: number of fields */ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields); /*!< in: number of fields */ /************************************************************************* Copies a data tuple to another. This is a shallow copy; if a deep copy -is desired, dfield_dup() will have to be invoked on each field. */ +is desired, dfield_dup() will have to be invoked on each field. +@return own: copy of tuple */ UNIV_INLINE dtuple_t* dtuple_copy( /*========*/ - /* out, own: copy of tuple */ - const dtuple_t* tuple, /* in: tuple to copy from */ - mem_heap_t* heap); /* in: memory heap + const dtuple_t* tuple, /*!< in: tuple to copy from */ + mem_heap_t* heap); /*!< in: memory heap where the tuple is created */ /************************************************************** The following function returns the sum of data lengths of a tuple. The space -occupied by the field structs or the tuple struct is not counted. */ +occupied by the field structs or the tuple struct is not counted. +@return sum of data lens */ UNIV_INLINE ulint dtuple_get_data_size( /*=================*/ - /* out: sum of data lens */ - const dtuple_t* tuple, /* in: typed data tuple */ - ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ + const dtuple_t* tuple, /*!< in: typed data tuple */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ /************************************************************************* -Computes the number of externally stored fields in a data tuple. */ +Computes the number of externally stored fields in a data tuple. +@return number of fields */ UNIV_INLINE ulint dtuple_get_n_ext( /*=============*/ - /* out: number of fields */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ /**************************************************************** -Compare two data tuples, respecting the collation of character fields. */ +Compare two data tuples, respecting the collation of character fields. +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, than tuple2 */ UNIV_INTERN int dtuple_coll_cmp( /*============*/ - /* out: 1, 0 , -1 if tuple1 is greater, equal, - less, respectively, than tuple2 */ - const dtuple_t* tuple1, /* in: tuple 1 */ - const dtuple_t* tuple2);/* in: tuple 2 */ + const dtuple_t* tuple1, /*!< in: tuple 1 */ + const dtuple_t* tuple2);/*!< in: tuple 2 */ /**************************************************************** -Folds a prefix given as the number of fields of a tuple. */ +Folds a prefix given as the number of fields of a tuple. +@return the folded value */ UNIV_INLINE ulint dtuple_fold( /*========*/ - /* out: the folded value */ - const dtuple_t* tuple, /* in: the tuple */ - ulint n_fields,/* in: number of complete fields to fold */ - ulint n_bytes,/* in: number of bytes to fold in an + const dtuple_t* tuple, /*!< in: the tuple */ + ulint n_fields,/*!< in: number of complete fields to fold */ + ulint n_bytes,/*!< in: number of bytes to fold in an incomplete last field */ - dulint tree_id)/* in: index tree id */ + dulint tree_id)/*!< in: index tree id */ __attribute__((pure)); /*********************************************************************** Sets types of fields binary in a tuple. */ @@ -316,50 +313,50 @@ UNIV_INLINE void dtuple_set_types_binary( /*====================*/ - dtuple_t* tuple, /* in: data tuple */ - ulint n); /* in: number of fields to set */ + dtuple_t* tuple, /*!< in: data tuple */ + ulint n); /*!< in: number of fields to set */ /************************************************************************** -Checks if a dtuple contains an SQL null value. */ +Checks if a dtuple contains an SQL null value. +@return TRUE if some field is SQL null */ UNIV_INLINE ibool dtuple_contains_null( /*=================*/ - /* out: TRUE if some field is SQL null */ - const dtuple_t* tuple); /* in: dtuple */ + const dtuple_t* tuple); /*!< in: dtuple */ /************************************************************** -Checks that a data field is typed. Asserts an error if not. */ +Checks that a data field is typed. Asserts an error if not. +@return TRUE if ok */ UNIV_INTERN ibool dfield_check_typed( /*===============*/ - /* out: TRUE if ok */ - const dfield_t* field); /* in: data field */ + const dfield_t* field); /*!< in: data field */ /************************************************************** -Checks that a data tuple is typed. Asserts an error if not. */ +Checks that a data tuple is typed. Asserts an error if not. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_check_typed( /*===============*/ - /* out: TRUE if ok */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ /************************************************************** -Checks that a data tuple is typed. */ +Checks that a data tuple is typed. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_check_typed_no_assert( /*=========================*/ - /* out: TRUE if ok */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ #ifdef UNIV_DEBUG /************************************************************** Validates the consistency of a tuple which must be complete, i.e, -all fields must have been set. */ +all fields must have been set. +@return TRUE if ok */ UNIV_INTERN ibool dtuple_validate( /*============*/ - /* out: TRUE if ok */ - const dtuple_t* tuple); /* in: tuple */ + const dtuple_t* tuple); /*!< in: tuple */ #endif /* UNIV_DEBUG */ /***************************************************************** Pretty prints a dfield value according to its data type. */ @@ -367,7 +364,7 @@ UNIV_INTERN void dfield_print( /*=========*/ - const dfield_t* dfield);/* in: dfield */ + const dfield_t* dfield);/*!< in: dfield */ /***************************************************************** Pretty prints a dfield value according to its data type. Also the hex string is printed if a string contains non-printable characters. */ @@ -375,32 +372,28 @@ UNIV_INTERN void dfield_print_also_hex( /*==================*/ - const dfield_t* dfield); /* in: dfield */ + const dfield_t* dfield); /*!< in: dfield */ /************************************************************** The following function prints the contents of a tuple. */ UNIV_INTERN void dtuple_print( /*=========*/ - FILE* f, /* in: output stream */ - const dtuple_t* tuple); /* in: tuple */ + FILE* f, /*!< in: output stream */ + const dtuple_t* tuple); /*!< in: tuple */ /****************************************************************** Moves parts of long fields in entry to the big record vector so that the size of tuple drops below the maximum record size allowed in the database. Moves data only from those fields which are not necessary -to determine uniquely the insertion place of the tuple in the index. */ +to determine uniquely the insertion place of the tuple in the index. +@return own: created big record vector, NULL if we are not able to shorten the entry enough, i.e., if there are too many fixed-length or short fields in entry or the index is clustered */ UNIV_INTERN big_rec_t* dtuple_convert_big_rec( /*===================*/ - /* out, own: created big record vector, - NULL if we are not able to shorten - the entry enough, i.e., if there are - too many fixed-length or short fields - in entry or the index is clustered */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in/out: index entry */ - ulint* n_ext); /* in/out: number of + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in/out: index entry */ + ulint* n_ext); /*!< in/out: number of externally stored columns */ /****************************************************************** Puts back to entry the data stored in vector. Note that to ensure the @@ -410,9 +403,9 @@ UNIV_INTERN void dtuple_convert_back_big_rec( /*========================*/ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: entry whose data was put to vector */ - big_rec_t* vector);/* in, own: big rec vector; it is + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: entry whose data was put to vector */ + big_rec_t* vector);/*!< in, own: big rec vector; it is freed in this function */ /****************************************************************** Frees the memory in a big rec vector. */ @@ -420,7 +413,7 @@ UNIV_INLINE void dtuple_big_rec_free( /*================*/ - big_rec_t* vector); /* in, own: big rec vector; it is + big_rec_t* vector); /*!< in, own: big rec vector; it is freed in this function */ /*######################################################################*/ diff --git a/include/data0data.ic b/include/data0data.ic index 3308b0c5604..8f89d59bf53 100644 --- a/include/data0data.ic +++ b/include/data0data.ic @@ -29,13 +29,13 @@ Created 5/30/1994 Heikki Tuuri extern byte data_error; /************************************************************************* -Gets pointer to the type struct of SQL data field. */ +Gets pointer to the type struct of SQL data field. +@return pointer to the type struct */ UNIV_INLINE dtype_t* dfield_get_type( /*============*/ - /* out: pointer to the type struct */ - const dfield_t* field) /* in: SQL data field */ + const dfield_t* field) /*!< in: SQL data field */ { ut_ad(field); @@ -49,8 +49,8 @@ UNIV_INLINE void dfield_set_type( /*============*/ - dfield_t* field, /* in: SQL data field */ - dtype_t* type) /* in: pointer to data type struct */ + dfield_t* field, /*!< in: SQL data field */ + dtype_t* type) /*!< in: pointer to data type struct */ { ut_ad(field && type); @@ -59,13 +59,13 @@ dfield_set_type( #ifdef UNIV_DEBUG /************************************************************************* -Gets pointer to the data in a field. */ +Gets pointer to the data in a field. +@return pointer to data */ UNIV_INLINE void* dfield_get_data( /*============*/ - /* out: pointer to data */ - const dfield_t* field) /* in: field */ + const dfield_t* field) /*!< in: field */ { ut_ad(field); ut_ad((field->len == UNIV_SQL_NULL) @@ -76,14 +76,13 @@ dfield_get_data( #endif /* UNIV_DEBUG */ /************************************************************************* -Gets length of field data. */ +Gets length of field data. +@return length of data; UNIV_SQL_NULL if SQL null data */ UNIV_INLINE ulint dfield_get_len( /*===========*/ - /* out: length of data; UNIV_SQL_NULL if - SQL null data */ - const dfield_t* field) /* in: field */ + const dfield_t* field) /*!< in: field */ { ut_ad(field); ut_ad((field->len == UNIV_SQL_NULL) @@ -98,8 +97,8 @@ UNIV_INLINE void dfield_set_len( /*===========*/ - dfield_t* field, /* in: field */ - ulint len) /* in: length or UNIV_SQL_NULL */ + dfield_t* field, /*!< in: field */ + ulint len) /*!< in: length or UNIV_SQL_NULL */ { ut_ad(field); #ifdef UNIV_VALGRIND_DEBUG @@ -111,13 +110,13 @@ dfield_set_len( } /************************************************************************* -Determines if a field is SQL NULL */ +Determines if a field is SQL NULL +@return nonzero if SQL null data */ UNIV_INLINE ulint dfield_is_null( /*===========*/ - /* out: nonzero if SQL null data */ - const dfield_t* field) /* in: field */ + const dfield_t* field) /*!< in: field */ { ut_ad(field); @@ -125,13 +124,13 @@ dfield_is_null( } /************************************************************************* -Determines if a field is externally stored */ +Determines if a field is externally stored +@return nonzero if externally stored */ UNIV_INLINE ulint dfield_is_ext( /*==========*/ - /* out: nonzero if externally stored */ - const dfield_t* field) /* in: field */ + const dfield_t* field) /*!< in: field */ { ut_ad(field); @@ -144,7 +143,7 @@ UNIV_INLINE void dfield_set_ext( /*===========*/ - dfield_t* field) /* in/out: field */ + dfield_t* field) /*!< in/out: field */ { ut_ad(field); @@ -157,9 +156,9 @@ UNIV_INLINE void dfield_set_data( /*============*/ - dfield_t* field, /* in: field */ - const void* data, /* in: data */ - ulint len) /* in: length or UNIV_SQL_NULL */ + dfield_t* field, /*!< in: field */ + const void* data, /*!< in: data */ + ulint len) /*!< in: length or UNIV_SQL_NULL */ { ut_ad(field); @@ -177,7 +176,7 @@ UNIV_INLINE void dfield_set_null( /*============*/ - dfield_t* field) /* in/out: field */ + dfield_t* field) /*!< in/out: field */ { dfield_set_data(field, NULL, UNIV_SQL_NULL); } @@ -188,8 +187,8 @@ UNIV_INLINE void dfield_copy_data( /*=============*/ - dfield_t* field1, /* out: field to copy to */ - const dfield_t* field2) /* in: field to copy from */ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2) /*!< in: field to copy from */ { ut_ad(field1 && field2); @@ -204,8 +203,8 @@ UNIV_INLINE void dfield_copy( /*========*/ - dfield_t* field1, /* out: field to copy to */ - const dfield_t* field2) /* in: field to copy from */ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2) /*!< in: field to copy from */ { *field1 = *field2; } @@ -216,8 +215,8 @@ UNIV_INLINE void dfield_dup( /*=======*/ - dfield_t* field, /* in/out: data field */ - mem_heap_t* heap) /* in: memory heap where allocated */ + dfield_t* field, /*!< in/out: data field */ + mem_heap_t* heap) /*!< in: memory heap where allocated */ { if (!dfield_is_null(field)) { UNIV_MEM_ASSERT_RW(field->data, field->len); @@ -226,14 +225,14 @@ dfield_dup( } /************************************************************************* -Tests if data length and content is equal for two dfields. */ +Tests if data length and content is equal for two dfields. +@return TRUE if equal */ UNIV_INLINE ibool dfield_datas_are_binary_equal( /*==========================*/ - /* out: TRUE if equal */ - const dfield_t* field1, /* in: field */ - const dfield_t* field2) /* in: field */ + const dfield_t* field1, /*!< in: field */ + const dfield_t* field2) /*!< in: field */ { ulint len; @@ -245,13 +244,13 @@ dfield_datas_are_binary_equal( } /************************************************************************* -Gets info bits in a data tuple. */ +Gets info bits in a data tuple. +@return info bits */ UNIV_INLINE ulint dtuple_get_info_bits( /*=================*/ - /* out: info bits */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { ut_ad(tuple); @@ -264,8 +263,8 @@ UNIV_INLINE void dtuple_set_info_bits( /*=================*/ - dtuple_t* tuple, /* in: tuple */ - ulint info_bits) /* in: info bits */ + dtuple_t* tuple, /*!< in: tuple */ + ulint info_bits) /*!< in: info bits */ { ut_ad(tuple); @@ -273,14 +272,13 @@ dtuple_set_info_bits( } /************************************************************************* -Gets number of fields used in record comparisons. */ +Gets number of fields used in record comparisons. +@return number of fields used in comparisons in rem0cmp.* */ UNIV_INLINE ulint dtuple_get_n_fields_cmp( /*====================*/ - /* out: number of fields used in comparisons - in rem0cmp.* */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { ut_ad(tuple); @@ -293,8 +291,8 @@ UNIV_INLINE void dtuple_set_n_fields_cmp( /*====================*/ - dtuple_t* tuple, /* in: tuple */ - ulint n_fields_cmp) /* in: number of fields used in + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields_cmp) /*!< in: number of fields used in comparisons in rem0cmp.* */ { ut_ad(tuple); @@ -304,13 +302,13 @@ dtuple_set_n_fields_cmp( } /************************************************************************* -Gets number of fields in a data tuple. */ +Gets number of fields in a data tuple. +@return number of fields */ UNIV_INLINE ulint dtuple_get_n_fields( /*================*/ - /* out: number of fields */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { ut_ad(tuple); @@ -319,14 +317,14 @@ dtuple_get_n_fields( #ifdef UNIV_DEBUG /************************************************************************* -Gets nth field of a tuple. */ +Gets nth field of a tuple. +@return nth field */ UNIV_INLINE dfield_t* dtuple_get_nth_field( /*=================*/ - /* out: nth field */ - const dtuple_t* tuple, /* in: tuple */ - ulint n) /* in: index of field */ + const dtuple_t* tuple, /*!< in: tuple */ + ulint n) /*!< in: index of field */ { ut_ad(tuple); ut_ad(n < tuple->n_fields); @@ -337,15 +335,15 @@ dtuple_get_nth_field( /************************************************************** Creates a data tuple to a memory heap. The default value for number -of fields used in record comparisons for this tuple is n_fields. */ +of fields used in record comparisons for this tuple is n_fields. +@return own: created tuple */ UNIV_INLINE dtuple_t* dtuple_create( /*==========*/ - /* out, own: created tuple */ - mem_heap_t* heap, /* in: memory heap where the tuple + mem_heap_t* heap, /*!< in: memory heap where the tuple is created */ - ulint n_fields) /* in: number of fields */ + ulint n_fields) /*!< in: number of fields */ { dtuple_t* tuple; @@ -382,15 +380,15 @@ dtuple_create( /************************************************************** Wrap data fields in a tuple. The default value for number -of fields used in record comparisons for this tuple is n_fields. */ +of fields used in record comparisons for this tuple is n_fields. +@return data tuple */ UNIV_INLINE const dtuple_t* dtuple_from_fields( /*===============*/ - /* out: data tuple */ - dtuple_t* tuple, /* in: storage for data tuple */ - const dfield_t* fields, /* in: fields */ - ulint n_fields) /* in: number of fields */ + dtuple_t* tuple, /*!< in: storage for data tuple */ + const dfield_t* fields, /*!< in: fields */ + ulint n_fields) /*!< in: number of fields */ { tuple->info_bits = 0; tuple->n_fields = tuple->n_fields_cmp = n_fields; @@ -402,14 +400,14 @@ dtuple_from_fields( /************************************************************************* Copies a data tuple to another. This is a shallow copy; if a deep copy -is desired, dfield_dup() will have to be invoked on each field. */ +is desired, dfield_dup() will have to be invoked on each field. +@return own: copy of tuple */ UNIV_INLINE dtuple_t* dtuple_copy( /*========*/ - /* out, own: copy of tuple */ - const dtuple_t* tuple, /* in: tuple to copy from */ - mem_heap_t* heap) /* in: memory heap + const dtuple_t* tuple, /*!< in: tuple to copy from */ + mem_heap_t* heap) /*!< in: memory heap where the tuple is created */ { ulint n_fields = dtuple_get_n_fields(tuple); @@ -427,14 +425,14 @@ dtuple_copy( /************************************************************** The following function returns the sum of data lengths of a tuple. The space occupied by the field structs or the tuple struct is not counted. Neither -is possible space in externally stored parts of the field. */ +is possible space in externally stored parts of the field. +@return sum of data lengths */ UNIV_INLINE ulint dtuple_get_data_size( /*=================*/ - /* out: sum of data lengths */ - const dtuple_t* tuple, /* in: typed data tuple */ - ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ + const dtuple_t* tuple, /*!< in: typed data tuple */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ { const dfield_t* field; ulint n_fields; @@ -464,13 +462,13 @@ dtuple_get_data_size( } /************************************************************************* -Computes the number of externally stored fields in a data tuple. */ +Computes the number of externally stored fields in a data tuple. +@return number of externally stored fields */ UNIV_INLINE ulint dtuple_get_n_ext( /*=============*/ - /* out: number of externally stored fields */ - const dtuple_t* tuple) /* in: tuple */ + const dtuple_t* tuple) /*!< in: tuple */ { ulint n_ext = 0; ulint n_fields = tuple->n_fields; @@ -493,8 +491,8 @@ UNIV_INLINE void dtuple_set_types_binary( /*====================*/ - dtuple_t* tuple, /* in: data tuple */ - ulint n) /* in: number of fields to set */ + dtuple_t* tuple, /*!< in: data tuple */ + ulint n) /*!< in: number of fields to set */ { dtype_t* dfield_type; ulint i; @@ -506,17 +504,17 @@ dtuple_set_types_binary( } /**************************************************************** -Folds a prefix given as the number of fields of a tuple. */ +Folds a prefix given as the number of fields of a tuple. +@return the folded value */ UNIV_INLINE ulint dtuple_fold( /*========*/ - /* out: the folded value */ - const dtuple_t* tuple, /* in: the tuple */ - ulint n_fields,/* in: number of complete fields to fold */ - ulint n_bytes,/* in: number of bytes to fold in an + const dtuple_t* tuple, /*!< in: the tuple */ + ulint n_fields,/*!< in: number of complete fields to fold */ + ulint n_bytes,/*!< in: number of bytes to fold in an incomplete last field */ - dulint tree_id)/* in: index tree id */ + dulint tree_id)/*!< in: index tree id */ { const dfield_t* field; ulint i; @@ -567,20 +565,20 @@ UNIV_INLINE void data_write_sql_null( /*================*/ - byte* data, /* in: pointer to a buffer of size len */ - ulint len) /* in: SQL null size in bytes */ + byte* data, /*!< in: pointer to a buffer of size len */ + ulint len) /*!< in: SQL null size in bytes */ { memset(data, 0, len); } /************************************************************************** -Checks if a dtuple contains an SQL null value. */ +Checks if a dtuple contains an SQL null value. +@return TRUE if some field is SQL null */ UNIV_INLINE ibool dtuple_contains_null( /*=================*/ - /* out: TRUE if some field is SQL null */ - const dtuple_t* tuple) /* in: dtuple */ + const dtuple_t* tuple) /*!< in: dtuple */ { ulint n; ulint i; @@ -603,7 +601,7 @@ UNIV_INLINE void dtuple_big_rec_free( /*================*/ - big_rec_t* vector) /* in, own: big rec vector; it is + big_rec_t* vector) /*!< in, own: big rec vector; it is freed in this function */ { mem_heap_free(vector->heap); diff --git a/include/data0type.h b/include/data0type.h index 31e0d61ebc6..b2f9c5a5021 100644 --- a/include/data0type.h +++ b/include/data0type.h @@ -169,102 +169,100 @@ store the charset-collation number; one byte is left unused, though */ #ifndef UNIV_HOTBACKUP /************************************************************************* -Gets the MySQL type code from a dtype. */ +Gets the MySQL type code from a dtype. +@return MySQL type code; this is NOT an InnoDB type code! */ UNIV_INLINE ulint dtype_get_mysql_type( /*=================*/ - /* out: MySQL type code; this is NOT an InnoDB - type code! */ - const dtype_t* type); /* in: type struct */ + const dtype_t* type); /*!< in: type struct */ /************************************************************************* Determine how many bytes the first n characters of the given string occupy. If the string is shorter than n characters, returns the number of bytes -the characters in the string occupy. */ +the characters in the string occupy. +@return length of the prefix, in bytes */ UNIV_INTERN ulint dtype_get_at_most_n_mbchars( /*========================*/ - /* out: length of the prefix, - in bytes */ - ulint prtype, /* in: precise type */ - ulint mbminlen, /* in: minimum length of a + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a multi-byte character */ - ulint mbmaxlen, /* in: maximum length of a + ulint mbmaxlen, /*!< in: maximum length of a multi-byte character */ - ulint prefix_len, /* in: length of the requested + ulint prefix_len, /*!< in: length of the requested prefix, in characters, multiplied by dtype_get_mbmaxlen(dtype) */ - ulint data_len, /* in: length of str (in bytes) */ - const char* str); /* in: the string whose prefix + ulint data_len, /*!< in: length of str (in bytes) */ + const char* str); /*!< in: the string whose prefix length is being determined */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* Checks if a data main type is a string type. Also a BLOB is considered a -string type. */ +string type. +@return TRUE if string type */ UNIV_INTERN ibool dtype_is_string_type( /*=================*/ - /* out: TRUE if string type */ - ulint mtype); /* in: InnoDB main data type code: DATA_CHAR, ... */ + ulint mtype); /*!< in: InnoDB main data type code: DATA_CHAR, ... */ /************************************************************************* Checks if a type is a binary string type. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For -those DATA_BLOB columns this function currently returns FALSE. */ +those DATA_BLOB columns this function currently returns FALSE. +@return TRUE if binary string type */ UNIV_INTERN ibool dtype_is_binary_string_type( /*========================*/ - /* out: TRUE if binary string type */ - ulint mtype, /* in: main data type */ - ulint prtype);/* in: precise type */ + ulint mtype, /*!< in: main data type */ + ulint prtype);/*!< in: precise type */ /************************************************************************* Checks if a type is a non-binary string type. That is, dtype_is_string_type is TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. -For those DATA_BLOB columns this function currently returns TRUE. */ +For those DATA_BLOB columns this function currently returns TRUE. +@return TRUE if non-binary string type */ UNIV_INTERN ibool dtype_is_non_binary_string_type( /*============================*/ - /* out: TRUE if non-binary string type */ - ulint mtype, /* in: main data type */ - ulint prtype);/* in: precise type */ + ulint mtype, /*!< in: main data type */ + ulint prtype);/*!< in: precise type */ /************************************************************************* Sets a data type structure. */ UNIV_INLINE void dtype_set( /*======*/ - dtype_t* type, /* in: type struct to init */ - ulint mtype, /* in: main data type */ - ulint prtype, /* in: precise type */ - ulint len); /* in: precision of type */ + dtype_t* type, /*!< in: type struct to init */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint len); /*!< in: precision of type */ /************************************************************************* Copies a data type structure. */ UNIV_INLINE void dtype_copy( /*=======*/ - dtype_t* type1, /* in: type struct to copy to */ - const dtype_t* type2); /* in: type struct to copy from */ + dtype_t* type1, /*!< in: type struct to copy to */ + const dtype_t* type2); /*!< in: type struct to copy from */ /************************************************************************* -Gets the SQL main data type. */ +Gets the SQL main data type. +@return SQL main data type */ UNIV_INLINE ulint dtype_get_mtype( /*============*/ - /* out: SQL main data type */ - const dtype_t* type); /* in: data type */ + const dtype_t* type); /*!< in: data type */ /************************************************************************* -Gets the precise data type. */ +Gets the precise data type. +@return precise data type */ UNIV_INLINE ulint dtype_get_prtype( /*=============*/ - /* out: precise data type */ - const dtype_t* type); /* in: data type */ + const dtype_t* type); /*!< in: data type */ #ifndef UNIV_HOTBACKUP /************************************************************************* Compute the mbminlen and mbmaxlen members of a data type structure. */ @@ -272,11 +270,11 @@ UNIV_INLINE void dtype_get_mblen( /*============*/ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type (and collation) */ - ulint* mbminlen, /* out: minimum length of a + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type (and collation) */ + ulint* mbminlen, /*!< out: minimum length of a multi-byte character */ - ulint* mbmaxlen); /* out: maximum length of a + ulint* mbmaxlen); /*!< out: maximum length of a multi-byte character */ /************************************************************************* Gets the MySQL charset-collation code for MySQL string types. */ @@ -284,7 +282,7 @@ UNIV_INLINE ulint dtype_get_charset_coll( /*===================*/ - ulint prtype);/* in: precise data type */ + ulint prtype);/*!< in: precise data type */ /************************************************************************* Forms a precise type from the < 4.1.2 format precise type plus the charset-collation code. */ @@ -292,107 +290,102 @@ UNIV_INTERN ulint dtype_form_prtype( /*==============*/ - ulint old_prtype, /* in: the MySQL type code and the flags + ulint old_prtype, /*!< in: the MySQL type code and the flags DATA_BINARY_TYPE etc. */ - ulint charset_coll); /* in: MySQL charset-collation code */ + ulint charset_coll); /*!< in: MySQL charset-collation code */ /************************************************************************* Determines if a MySQL string type is a subset of UTF-8. This function may return false negatives, in case further character-set collation -codes are introduced in MySQL later. */ +codes are introduced in MySQL later. +@return TRUE if a subset of UTF-8 */ UNIV_INLINE ibool dtype_is_utf8( /*==========*/ - /* out: TRUE if a subset of UTF-8 */ - ulint prtype);/* in: precise data type */ + ulint prtype);/*!< in: precise data type */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Gets the type length. */ +Gets the type length. +@return fixed length of the type, in bytes, or 0 if variable-length */ UNIV_INLINE ulint dtype_get_len( /*==========*/ - /* out: fixed length of the type, in bytes, - or 0 if variable-length */ - const dtype_t* type); /* in: data type */ + const dtype_t* type); /*!< in: data type */ #ifndef UNIV_HOTBACKUP /************************************************************************* -Gets the minimum length of a character, in bytes. */ +Gets the minimum length of a character, in bytes. +@return minimum length of a char, in bytes, or 0 if this is not a character type */ UNIV_INLINE ulint dtype_get_mbminlen( /*===============*/ - /* out: minimum length of a char, in bytes, - or 0 if this is not a character type */ - const dtype_t* type); /* in: type */ + const dtype_t* type); /*!< in: type */ /************************************************************************* -Gets the maximum length of a character, in bytes. */ +Gets the maximum length of a character, in bytes. +@return maximum length of a char, in bytes, or 0 if this is not a character type */ UNIV_INLINE ulint dtype_get_mbmaxlen( /*===============*/ - /* out: maximum length of a char, in bytes, - or 0 if this is not a character type */ - const dtype_t* type); /* in: type */ + const dtype_t* type); /*!< in: type */ /************************************************************************* -Gets the padding character code for the type. */ +Gets the padding character code for the type. +@return padding character code, or ULINT_UNDEFINED if no padding specified */ UNIV_INLINE ulint dtype_get_pad_char( /*===============*/ - /* out: padding character code, or - ULINT_UNDEFINED if no padding specified */ - ulint mtype, /* in: main type */ - ulint prtype); /* in: precise type */ + ulint mtype, /*!< in: main type */ + ulint prtype); /*!< in: precise type */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** -Returns the size of a fixed size data type, 0 if not a fixed size type. */ +Returns the size of a fixed size data type, 0 if not a fixed size type. +@return fixed size, or 0 */ UNIV_INLINE ulint dtype_get_fixed_size_low( /*=====================*/ - /* out: fixed size, or 0 */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - ulint len, /* in: length */ - ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen, /* in: maximum length of a multibyte char */ - ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP /*************************************************************************** -Returns the minimum size of a data type. */ +Returns the minimum size of a data type. +@return minimum size */ UNIV_INLINE ulint dtype_get_min_size_low( /*===================*/ - /* out: minimum size */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - ulint len, /* in: length */ - ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen); /* in: maximum length of a multibyte char */ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen); /*!< in: maximum length of a multibyte char */ /*************************************************************************** Returns the maximum size of a data type. Note: types in system tables may be -incomplete and return incorrect information. */ +incomplete and return incorrect information. +@return maximum size */ UNIV_INLINE ulint dtype_get_max_size_low( /*===================*/ - /* out: maximum size */ - ulint mtype, /* in: main type */ - ulint len); /* in: length */ + ulint mtype, /*!< in: main type */ + ulint len); /*!< in: length */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. -For fixed length types it is the fixed length of the type, otherwise 0. */ +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ UNIV_INLINE ulint dtype_get_sql_null_size( /*====================*/ - /* out: SQL null storage size - in ROW_FORMAT=REDUNDANT */ - const dtype_t* type, /* in: type */ - ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ + const dtype_t* type, /*!< in: type */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP /************************************************************************** Reads to a type the stored information which determines its alphabetical @@ -401,8 +394,8 @@ UNIV_INLINE void dtype_read_for_order_and_null_size( /*===============================*/ - dtype_t* type, /* in: type struct */ - const byte* buf); /* in: buffer for the stored order info */ + dtype_t* type, /*!< in: type struct */ + const byte* buf); /*!< in: buffer for the stored order info */ /************************************************************************** Stores for a type the information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the >= 4.1.x storage @@ -411,11 +404,11 @@ UNIV_INLINE void dtype_new_store_for_order_and_null_size( /*====================================*/ - byte* buf, /* in: buffer for + byte* buf, /*!< in: buffer for DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE bytes where we store the info */ - const dtype_t* type, /* in: type struct */ - ulint prefix_len);/* in: prefix length to + const dtype_t* type, /*!< in: type struct */ + ulint prefix_len);/*!< in: prefix length to replace type->len, or 0 */ /************************************************************************** Reads to a type the stored information which determines its alphabetical @@ -425,25 +418,25 @@ UNIV_INLINE void dtype_new_read_for_order_and_null_size( /*===================================*/ - dtype_t* type, /* in: type struct */ - const byte* buf); /* in: buffer for stored type order info */ + dtype_t* type, /*!< in: type struct */ + const byte* buf); /*!< in: buffer for stored type order info */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Validates a data type structure. */ +Validates a data type structure. +@return TRUE if ok */ UNIV_INTERN ibool dtype_validate( /*===========*/ - /* out: TRUE if ok */ - const dtype_t* type); /* in: type struct to validate */ + const dtype_t* type); /*!< in: type struct to validate */ /************************************************************************* Prints a data type structure. */ UNIV_INTERN void dtype_print( /*========*/ - const dtype_t* type); /* in: type */ + const dtype_t* type); /*!< in: type */ /* Structure for an SQL data type. If you add fields to this structure, be sure to initialize them everywhere. diff --git a/include/data0type.ic b/include/data0type.ic index dad2943d1bc..be720358768 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -32,7 +32,7 @@ UNIV_INLINE ulint dtype_get_charset_coll( /*===================*/ - ulint prtype) /* in: precise data type */ + ulint prtype) /*!< in: precise data type */ { return((prtype >> 16) & 0xFFUL); } @@ -40,13 +40,13 @@ dtype_get_charset_coll( /************************************************************************* Determines if a MySQL string type is a subset of UTF-8. This function may return false negatives, in case further character-set collation -codes are introduced in MySQL later. */ +codes are introduced in MySQL later. +@return TRUE if a subset of UTF-8 */ UNIV_INLINE ibool dtype_is_utf8( /*==========*/ - /* out: TRUE if a subset of UTF-8 */ - ulint prtype) /* in: precise data type */ + ulint prtype) /*!< in: precise data type */ { /* These codes have been copied from strings/ctype-extra.c and strings/ctype-utf8.c. */ @@ -63,14 +63,13 @@ dtype_is_utf8( } /************************************************************************* -Gets the MySQL type code from a dtype. */ +Gets the MySQL type code from a dtype. +@return MySQL type code; this is NOT an InnoDB type code! */ UNIV_INLINE ulint dtype_get_mysql_type( /*=================*/ - /* out: MySQL type code; this is NOT an InnoDB - type code! */ - const dtype_t* type) /* in: type struct */ + const dtype_t* type) /*!< in: type struct */ { return(type->prtype & 0xFFUL); } @@ -81,11 +80,11 @@ UNIV_INLINE void dtype_get_mblen( /*============*/ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type (and collation) */ - ulint* mbminlen, /* out: minimum length of a + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type (and collation) */ + ulint* mbminlen, /*!< out: minimum length of a multi-byte character */ - ulint* mbmaxlen) /* out: maximum length of a + ulint* mbmaxlen) /*!< out: maximum length of a multi-byte character */ { if (dtype_is_string_type(mtype)) { @@ -105,7 +104,7 @@ UNIV_INLINE void dtype_set_mblen( /*============*/ - dtype_t* type) /* in/out: type */ + dtype_t* type) /*!< in/out: type */ { ulint mbminlen; ulint mbmaxlen; @@ -126,10 +125,10 @@ UNIV_INLINE void dtype_set( /*======*/ - dtype_t* type, /* in: type struct to init */ - ulint mtype, /* in: main data type */ - ulint prtype, /* in: precise type */ - ulint len) /* in: precision of type */ + dtype_t* type, /*!< in: type struct to init */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint len) /*!< in: precision of type */ { ut_ad(type); ut_ad(mtype <= DATA_MTYPE_MAX); @@ -147,8 +146,8 @@ UNIV_INLINE void dtype_copy( /*=======*/ - dtype_t* type1, /* in: type struct to copy to */ - const dtype_t* type2) /* in: type struct to copy from */ + dtype_t* type1, /*!< in: type struct to copy to */ + const dtype_t* type2) /*!< in: type struct to copy from */ { *type1 = *type2; @@ -156,13 +155,13 @@ dtype_copy( } /************************************************************************* -Gets the SQL main data type. */ +Gets the SQL main data type. +@return SQL main data type */ UNIV_INLINE ulint dtype_get_mtype( /*============*/ - /* out: SQL main data type */ - const dtype_t* type) /* in: data type */ + const dtype_t* type) /*!< in: data type */ { ut_ad(type); @@ -170,13 +169,13 @@ dtype_get_mtype( } /************************************************************************* -Gets the precise data type. */ +Gets the precise data type. +@return precise data type */ UNIV_INLINE ulint dtype_get_prtype( /*=============*/ - /* out: precise data type */ - const dtype_t* type) /* in: data type */ + const dtype_t* type) /*!< in: data type */ { ut_ad(type); @@ -184,14 +183,13 @@ dtype_get_prtype( } /************************************************************************* -Gets the type length. */ +Gets the type length. +@return fixed length of the type, in bytes, or 0 if variable-length */ UNIV_INLINE ulint dtype_get_len( /*==========*/ - /* out: fixed length of the type, in bytes, - or 0 if variable-length */ - const dtype_t* type) /* in: data type */ + const dtype_t* type) /*!< in: data type */ { ut_ad(type); @@ -200,42 +198,39 @@ dtype_get_len( #ifndef UNIV_HOTBACKUP /************************************************************************* -Gets the minimum length of a character, in bytes. */ +Gets the minimum length of a character, in bytes. +@return minimum length of a char, in bytes, or 0 if this is not a character type */ UNIV_INLINE ulint dtype_get_mbminlen( /*===============*/ - /* out: minimum length of a char, in bytes, - or 0 if this is not a character type */ - const dtype_t* type) /* in: type */ + const dtype_t* type) /*!< in: type */ { ut_ad(type); return(type->mbminlen); } /************************************************************************* -Gets the maximum length of a character, in bytes. */ +Gets the maximum length of a character, in bytes. +@return maximum length of a char, in bytes, or 0 if this is not a character type */ UNIV_INLINE ulint dtype_get_mbmaxlen( /*===============*/ - /* out: maximum length of a char, in bytes, - or 0 if this is not a character type */ - const dtype_t* type) /* in: type */ + const dtype_t* type) /*!< in: type */ { ut_ad(type); return(type->mbmaxlen); } /************************************************************************* -Gets the padding character code for a type. */ +Gets the padding character code for a type. +@return padding character code, or ULINT_UNDEFINED if no padding specified */ UNIV_INLINE ulint dtype_get_pad_char( /*===============*/ - /* out: padding character code, or - ULINT_UNDEFINED if no padding specified */ - ulint mtype, /* in: main type */ - ulint prtype) /* in: precise type */ + ulint mtype, /*!< in: main type */ + ulint prtype) /*!< in: precise type */ { switch (mtype) { case DATA_FIXBINARY: @@ -274,11 +269,11 @@ UNIV_INLINE void dtype_new_store_for_order_and_null_size( /*====================================*/ - byte* buf, /* in: buffer for + byte* buf, /*!< in: buffer for DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE bytes where we store the info */ - const dtype_t* type, /* in: type struct */ - ulint prefix_len)/* in: prefix length to + const dtype_t* type, /*!< in: type struct */ + ulint prefix_len)/*!< in: prefix length to replace type->len, or 0 */ { #if 6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE @@ -319,8 +314,8 @@ UNIV_INLINE void dtype_read_for_order_and_null_size( /*===============================*/ - dtype_t* type, /* in: type struct */ - const byte* buf) /* in: buffer for stored type order info */ + dtype_t* type, /*!< in: type struct */ + const byte* buf) /*!< in: buffer for stored type order info */ { #if 4 != DATA_ORDER_NULL_TYPE_BUF_SIZE # error "4 != DATA_ORDER_NULL_TYPE_BUF_SIZE" @@ -348,8 +343,8 @@ UNIV_INLINE void dtype_new_read_for_order_and_null_size( /*===================================*/ - dtype_t* type, /* in: type struct */ - const byte* buf) /* in: buffer for stored type order info */ + dtype_t* type, /*!< in: type struct */ + const byte* buf) /*!< in: buffer for stored type order info */ { ulint charset_coll; @@ -392,18 +387,18 @@ dtype_new_read_for_order_and_null_size( #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** -Returns the size of a fixed size data type, 0 if not a fixed size type. */ +Returns the size of a fixed size data type, 0 if not a fixed size type. +@return fixed size, or 0 */ UNIV_INLINE ulint dtype_get_fixed_size_low( /*=====================*/ - /* out: fixed size, or 0 */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - ulint len, /* in: length */ - ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen, /* in: maximum length of a multibyte char */ - ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ { switch (mtype) { case DATA_SYS: @@ -487,17 +482,17 @@ dtype_get_fixed_size_low( #ifndef UNIV_HOTBACKUP /*************************************************************************** -Returns the minimum size of a data type. */ +Returns the minimum size of a data type. +@return minimum size */ UNIV_INLINE ulint dtype_get_min_size_low( /*===================*/ - /* out: minimum size */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - ulint len, /* in: length */ - ulint mbminlen, /* in: minimum length of a multibyte char */ - ulint mbmaxlen) /* in: maximum length of a multibyte char */ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen) /*!< in: maximum length of a multibyte char */ { switch (mtype) { case DATA_SYS: @@ -547,14 +542,14 @@ dtype_get_min_size_low( /*************************************************************************** Returns the maximum size of a data type. Note: types in system tables may be -incomplete and return incorrect information. */ +incomplete and return incorrect information. +@return maximum size */ UNIV_INLINE ulint dtype_get_max_size_low( /*===================*/ - /* out: maximum size */ - ulint mtype, /* in: main type */ - ulint len) /* in: length */ + ulint mtype, /*!< in: main type */ + ulint len) /*!< in: length */ { switch (mtype) { case DATA_SYS: @@ -581,15 +576,14 @@ dtype_get_max_size_low( /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. -For fixed length types it is the fixed length of the type, otherwise 0. */ +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ UNIV_INLINE ulint dtype_get_sql_null_size( /*====================*/ - /* out: SQL null storage size - in ROW_FORMAT=REDUNDANT */ - const dtype_t* type, /* in: type */ - ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ + const dtype_t* type, /*!< in: type */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ { #ifndef UNIV_HOTBACKUP return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, diff --git a/include/dict0boot.h b/include/dict0boot.h index e1556bdb16e..85937524bd5 100644 --- a/include/dict0boot.h +++ b/include/dict0boot.h @@ -37,45 +37,44 @@ Created 4/18/1996 Heikki Tuuri typedef byte dict_hdr_t; /************************************************************************** -Gets a pointer to the dictionary header and x-latches its page. */ +Gets a pointer to the dictionary header and x-latches its page. +@return pointer to the dictionary header, page x-latched */ UNIV_INTERN dict_hdr_t* dict_hdr_get( /*=========*/ - /* out: pointer to the dictionary header, - page x-latched */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** -Returns a new row, table, index, or tree id. */ +Returns a new row, table, index, or tree id. +@return the new id */ UNIV_INTERN dulint dict_hdr_get_new_id( /*================*/ - /* out: the new id */ - ulint type); /* in: DICT_HDR_ROW_ID, ... */ + ulint type); /*!< in: DICT_HDR_ROW_ID, ... */ /************************************************************************** -Returns a new row id. */ +Returns a new row id. +@return the new id */ UNIV_INLINE dulint dict_sys_get_new_row_id(void); /*=========================*/ - /* out: the new id */ /************************************************************************** -Reads a row id from a record or other 6-byte stored form. */ +Reads a row id from a record or other 6-byte stored form. +@return row id */ UNIV_INLINE dulint dict_sys_read_row_id( /*=================*/ - /* out: row id */ - byte* field); /* in: record field */ + byte* field); /*!< in: record field */ /************************************************************************** Writes a row id to a record or other 6-byte stored form. */ UNIV_INLINE void dict_sys_write_row_id( /*==================*/ - byte* field, /* in: record field */ - dulint row_id);/* in: row id */ + byte* field, /*!< in: record field */ + dulint row_id);/*!< in: row id */ /********************************************************************* Initializes the data dictionary memory structures when the database is started. This function is also called when the data dictionary is created. */ diff --git a/include/dict0boot.ic b/include/dict0boot.ic index 9b45f9e84be..4cade4c9c0b 100644 --- a/include/dict0boot.ic +++ b/include/dict0boot.ic @@ -32,12 +32,12 @@ dict_hdr_flush_row_id(void); /************************************************************************** -Returns a new row id. */ +Returns a new row id. +@return the new id */ UNIV_INLINE dulint dict_sys_get_new_row_id(void) /*=========================*/ - /* out: the new id */ { dulint id; @@ -58,13 +58,13 @@ dict_sys_get_new_row_id(void) } /************************************************************************** -Reads a row id from a record or other 6-byte stored form. */ +Reads a row id from a record or other 6-byte stored form. +@return row id */ UNIV_INLINE dulint dict_sys_read_row_id( /*=================*/ - /* out: row id */ - byte* field) /* in: record field */ + byte* field) /*!< in: record field */ { #if DATA_ROW_ID_LEN != 6 # error "DATA_ROW_ID_LEN != 6" @@ -79,8 +79,8 @@ UNIV_INLINE void dict_sys_write_row_id( /*==================*/ - byte* field, /* in: record field */ - dulint row_id) /* in: row id */ + byte* field, /*!< in: record field */ + dulint row_id) /*!< in: row id */ { #if DATA_ROW_ID_LEN != 6 # error "DATA_ROW_ID_LEN != 6" diff --git a/include/dict0crea.h b/include/dict0crea.h index b373d9454a8..3c70ec4a1a6 100644 --- a/include/dict0crea.h +++ b/include/dict0crea.h @@ -33,59 +33,58 @@ Created 1/8/1996 Heikki Tuuri #include "mtr0mtr.h" /************************************************************************* -Creates a table create graph. */ +Creates a table create graph. +@return own: table create node */ UNIV_INTERN tab_node_t* tab_create_graph_create( /*====================*/ - /* out, own: table create node */ - dict_table_t* table, /* in: table to create, built as a memory data + dict_table_t* table, /*!< in: table to create, built as a memory data structure */ - mem_heap_t* heap); /* in: heap where created */ + mem_heap_t* heap); /*!< in: heap where created */ /************************************************************************* -Creates an index create graph. */ +Creates an index create graph. +@return own: index create node */ UNIV_INTERN ind_node_t* ind_create_graph_create( /*====================*/ - /* out, own: index create node */ - dict_index_t* index, /* in: index to create, built as a memory data + dict_index_t* index, /*!< in: index to create, built as a memory data structure */ - mem_heap_t* heap); /* in: heap where created */ + mem_heap_t* heap); /*!< in: heap where created */ /*************************************************************** -Creates a table. This is a high-level function used in SQL execution graphs. */ +Creates a table. This is a high-level function used in SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* dict_create_table_step( /*===================*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*************************************************************** Creates an index. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* dict_create_index_step( /*===================*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*********************************************************************** -Truncates the index tree associated with a row in SYS_INDEXES table. */ +Truncates the index tree associated with a row in SYS_INDEXES table. +@return new root page number, or FIL_NULL on failure */ UNIV_INTERN ulint dict_truncate_index_tree( /*=====================*/ - /* out: new root page number, or - FIL_NULL on failure */ - dict_table_t* table, /* in: the table the index belongs to */ - ulint space, /* in: 0=truncate, + dict_table_t* table, /*!< in: the table the index belongs to */ + ulint space, /*!< in: 0=truncate, nonzero=create the index tree in the given tablespace */ - btr_pcur_t* pcur, /* in/out: persistent cursor pointing to + btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to record in the clustered index of SYS_INDEXES table. The cursor may be repositioned in this call. */ - mtr_t* mtr); /* in: mtr having the latch + mtr_t* mtr); /*!< in: mtr having the latch on the record page. The mtr may be committed and restarted in this call. */ /*********************************************************************** @@ -94,31 +93,31 @@ UNIV_INTERN void dict_drop_index_tree( /*=================*/ - rec_t* rec, /* in/out: record in the clustered index + rec_t* rec, /*!< in/out: record in the clustered index of SYS_INDEXES table */ - mtr_t* mtr); /* in: mtr having the latch on the record page */ + mtr_t* mtr); /*!< in: mtr having the latch on the record page */ /******************************************************************** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are -not of the right form. */ +not of the right form. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_create_or_check_foreign_constraint_tables(void); /*================================================*/ - /* out: DB_SUCCESS or error code */ /************************************************************************ Adds foreign key definitions to data dictionary tables in the database. We look at table->foreign_list, and also generate names to constraints that were not named by the user. A generated constraint has a name of the format databasename/tablename_ibfk_, where the numbers start from 1, and are given locally for this table, that is, the number is not global, as in the -old format constraints < 4.0.18 it used to be. */ +old format constraints < 4.0.18 it used to be. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint dict_create_add_foreigns_to_dictionary( /*===================================*/ - /* out: error code or DB_SUCCESS */ - ulint start_id,/* in: if we are actually doing ALTER TABLE + ulint start_id,/*!< in: if we are actually doing ALTER TABLE ADD CONSTRAINT, we want to generate constraint numbers which are bigger than in the table so far; we number the constraints from @@ -126,8 +125,8 @@ dict_create_add_foreigns_to_dictionary( we are creating a new table, or if the table so far has no constraints for which the name was generated here */ - dict_table_t* table, /* in: table */ - trx_t* trx); /* in: transaction */ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction */ /* Table create node structure */ diff --git a/include/dict0dict.h b/include/dict0dict.h index 7d1b7df9901..c90ca68c631 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -48,42 +48,42 @@ UNIV_INTERN void dict_casedn_str( /*============*/ - char* a); /* in/out: string to put in lower case */ + char* a); /*!< in/out: string to put in lower case */ /************************************************************************ -Get the database name length in a table name. */ +Get the database name length in a table name. +@return database name length */ UNIV_INTERN ulint dict_get_db_name_len( /*=================*/ - /* out: database name length */ - const char* name); /* in: table name in the form + const char* name); /*!< in: table name in the form dbname '/' tablename */ /************************************************************************ -Return the end of table name where we have removed dbname and '/'. */ +Return the end of table name where we have removed dbname and '/'. +@return table name */ const char* dict_remove_db_name( /*================*/ - /* out: table name */ - const char* name); /* in: table name in the form + const char* name); /*!< in: table name in the form dbname '/' tablename */ /************************************************************************** -Returns a table object based on table id. */ +Returns a table object based on table id. +@return table, NULL if does not exist */ UNIV_INTERN dict_table_t* dict_table_get_on_id( /*=================*/ - /* out: table, NULL if does not exist */ - dulint table_id, /* in: table id */ - trx_t* trx); /* in: transaction handle */ + dulint table_id, /*!< in: table id */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************ Decrements the count of open MySQL handles to a table. */ UNIV_INTERN void dict_table_decrement_handle_count( /*==============================*/ - dict_table_t* table, /* in/out: table */ - ibool dict_locked); /* in: TRUE=data dictionary locked */ + dict_table_t* table, /*!< in/out: table */ + ibool dict_locked); /*!< in: TRUE=data dictionary locked */ /************************************************************************** Inits the data dictionary module. */ UNIV_INTERN @@ -106,108 +106,106 @@ UNIV_INLINE void dict_col_copy_type( /*===============*/ - const dict_col_t* col, /* in: column */ - dtype_t* type); /* out: data type */ + const dict_col_t* col, /*!< in: column */ + dtype_t* type); /*!< out: data type */ #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /************************************************************************* -Assert that a column and a data type match. */ +Assert that a column and a data type match. +@return TRUE */ UNIV_INLINE ibool dict_col_type_assert_equal( /*=======================*/ - /* out: TRUE */ - const dict_col_t* col, /* in: column */ - const dtype_t* type); /* in: data type */ + const dict_col_t* col, /*!< in: column */ + const dtype_t* type); /*!< in: data type */ #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP /*************************************************************************** -Returns the minimum size of the column. */ +Returns the minimum size of the column. +@return minimum size */ UNIV_INLINE ulint dict_col_get_min_size( /*==================*/ - /* out: minimum size */ - const dict_col_t* col); /* in: column */ + const dict_col_t* col); /*!< in: column */ /*************************************************************************** -Returns the maximum size of the column. */ +Returns the maximum size of the column. +@return maximum size */ UNIV_INLINE ulint dict_col_get_max_size( /*==================*/ - /* out: maximum size */ - const dict_col_t* col); /* in: column */ + const dict_col_t* col); /*!< in: column */ /*************************************************************************** -Returns the size of a fixed size column, 0 if not a fixed size column. */ +Returns the size of a fixed size column, 0 if not a fixed size column. +@return fixed size, or 0 */ UNIV_INLINE ulint dict_col_get_fixed_size( /*====================*/ - /* out: fixed size, or 0 */ - const dict_col_t* col, /* in: column */ - ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ + const dict_col_t* col, /*!< in: column */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. -For fixed length types it is the fixed length of the type, otherwise 0. */ +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ UNIV_INLINE ulint dict_col_get_sql_null_size( /*=======================*/ - /* out: SQL null storage size - in ROW_FORMAT=REDUNDANT */ - const dict_col_t* col, /* in: column */ - ulint comp); /* in: nonzero=ROW_FORMAT=COMPACT */ + const dict_col_t* col, /*!< in: column */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ /************************************************************************* -Gets the column number. */ +Gets the column number. +@return col->ind, table column position (starting from 0) */ UNIV_INLINE ulint dict_col_get_no( /*============*/ - /* out: col->ind, table column - position (starting from 0) */ - const dict_col_t* col); /* in: column */ + const dict_col_t* col); /*!< in: column */ /************************************************************************* Gets the column position in the clustered index. */ UNIV_INLINE ulint dict_col_get_clust_pos( /*===================*/ - const dict_col_t* col, /* in: table column */ - const dict_index_t* clust_index); /* in: clustered index */ + const dict_col_t* col, /*!< in: table column */ + const dict_index_t* clust_index); /*!< in: clustered index */ /******************************************************************** If the given column name is reserved for InnoDB system columns, return -TRUE. */ +TRUE. +@return TRUE if name is reserved */ UNIV_INTERN ibool dict_col_name_is_reserved( /*======================*/ - /* out: TRUE if name is reserved */ - const char* name); /* in: column name */ + const char* name); /*!< in: column name */ /************************************************************************ -Acquire the autoinc lock.*/ +Acquire the autoinc lock. */ UNIV_INTERN void dict_table_autoinc_lock( /*====================*/ - dict_table_t* table); /* in/out: table */ + dict_table_t* table); /*!< in/out: table */ /************************************************************************ Unconditionally set the autoinc counter. */ UNIV_INTERN void dict_table_autoinc_initialize( /*==========================*/ - dict_table_t* table, /* in/out: table */ - ib_uint64_t value); /* in: next value to assign to a row */ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value); /*!< in: next value to assign to a row */ /************************************************************************ Reads the next autoinc value (== autoinc counter value), 0 if not yet -initialized. */ +initialized. +@return value for a new row, or 0 */ UNIV_INTERN ib_uint64_t dict_table_autoinc_read( /*====================*/ - /* out: value for a new row, or 0 */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ Updates the autoinc counter if the value supplied is greater than the current value. */ @@ -216,15 +214,15 @@ void dict_table_autoinc_update_if_greater( /*=================================*/ - dict_table_t* table, /* in/out: table */ - ib_uint64_t value); /* in: value which was assigned to a row */ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value); /*!< in: value which was assigned to a row */ /************************************************************************ -Release the autoinc lock.*/ +Release the autoinc lock. */ UNIV_INTERN void dict_table_autoinc_unlock( /*======================*/ - dict_table_t* table); /* in/out: table */ + dict_table_t* table); /*!< in/out: table */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************** Adds system columns to a table object. */ @@ -232,8 +230,8 @@ UNIV_INTERN void dict_table_add_system_columns( /*==========================*/ - dict_table_t* table, /* in/out: table */ - mem_heap_t* heap); /* in: temporary heap */ + dict_table_t* table, /*!< in/out: table */ + mem_heap_t* heap); /*!< in: temporary heap */ #ifndef UNIV_HOTBACKUP /************************************************************************** Adds a table object to the dictionary cache. */ @@ -241,25 +239,25 @@ UNIV_INTERN void dict_table_add_to_cache( /*====================*/ - dict_table_t* table, /* in: table */ - mem_heap_t* heap); /* in: temporary heap */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap); /*!< in: temporary heap */ /************************************************************************** Removes a table object from the dictionary cache. */ UNIV_INTERN void dict_table_remove_from_cache( /*=========================*/ - dict_table_t* table); /* in, own: table */ + dict_table_t* table); /*!< in, own: table */ /************************************************************************** -Renames a table object. */ +Renames a table object. +@return TRUE if success */ UNIV_INTERN ibool dict_table_rename_in_cache( /*=======================*/ - /* out: TRUE if success */ - dict_table_t* table, /* in/out: table */ - const char* new_name, /* in: new name */ - ibool rename_also_foreigns);/* in: in ALTER TABLE we want + dict_table_t* table, /*!< in/out: table */ + const char* new_name, /*!< in: new name */ + ibool rename_also_foreigns);/*!< in: in ALTER TABLE we want to preserve the original table name in constraints which reference it */ /************************************************************************** @@ -268,8 +266,8 @@ UNIV_INTERN void dict_index_remove_from_cache( /*=========================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index); /* in, own: index */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ /************************************************************************** Change the id of a table object in the dictionary cache. This is used in DISCARD TABLESPACE. */ @@ -277,41 +275,39 @@ UNIV_INTERN void dict_table_change_id_in_cache( /*==========================*/ - dict_table_t* table, /* in/out: table object already in cache */ - dulint new_id);/* in: new id to set */ + dict_table_t* table, /*!< in/out: table object already in cache */ + dulint new_id);/*!< in: new id to set */ /************************************************************************** Adds a foreign key constraint object to the dictionary cache. May free the object if there already is an object with the same identifier in. At least one of foreign table or referenced table must already be in -the dictionary cache! */ +the dictionary cache! +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_foreign_add_to_cache( /*======================*/ - /* out: DB_SUCCESS or error code */ - dict_foreign_t* foreign, /* in, own: foreign key constraint */ - ibool check_charsets);/* in: TRUE=check charset + dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ + ibool check_charsets);/*!< in: TRUE=check charset compatibility */ /************************************************************************* Check if the index is referenced by a foreign key, if TRUE return the -matching instance NULL otherwise. */ +matching instance NULL otherwise. +@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_referenced_constraint( /*=================================*/ - /* out: pointer to foreign key struct if index - is defined for foreign key, otherwise NULL */ - dict_table_t* table, /* in: InnoDB table */ - dict_index_t* index); /* in: InnoDB index */ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index); /*!< in: InnoDB index */ /************************************************************************* -Checks if a table is referenced by foreign keys. */ +Checks if a table is referenced by foreign keys. +@return TRUE if table is referenced by a foreign key */ UNIV_INTERN ibool dict_table_is_referenced_by_foreign_key( /*====================================*/ - /* out: TRUE if table is referenced - by a foreign key */ - const dict_table_t* table); /* in: InnoDB table */ + const dict_table_t* table); /*!< in: InnoDB table */ /************************************************************************** Replace the index in the foreign key list that matches this index's definition with an equivalent index. */ @@ -319,34 +315,33 @@ UNIV_INTERN void dict_table_replace_index_in_foreign_list( /*=====================================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index); /* in: index to be replaced */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in: index to be replaced */ /************************************************************************* Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key -or index is a foreign key index */ +or index is a foreign key index +@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_foreign_constraint( /*==============================*/ - /* out: pointer to foreign key struct if index - is defined for foreign key, otherwise NULL */ - dict_table_t* table, /* in: InnoDB table */ - dict_index_t* index); /* in: InnoDB index */ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index); /*!< in: InnoDB index */ /************************************************************************* Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in bot participating tables. The indexes are allowed to contain more -fields than mentioned in the constraint. */ +fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint dict_create_foreign_constraints( /*============================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction */ - const char* sql_string, /* in: table create statement where + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where foreign keys are declared like: FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written @@ -354,115 +349,106 @@ dict_create_foreign_constraints( name before it: test.table2; the default database id the database of parameter name */ - const char* name, /* in: table full name in the + const char* name, /*!< in: table full name in the normalized form database_name/table_name */ - ibool reject_fks); /* in: if TRUE, fail with error + ibool reject_fks); /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ /************************************************************************** -Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. */ +Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the constraint id does not match */ UNIV_INTERN ulint dict_foreign_parse_drop_constraints( /*================================*/ - /* out: DB_SUCCESS or - DB_CANNOT_DROP_CONSTRAINT if - syntax error or the constraint - id does not match */ - mem_heap_t* heap, /* in: heap from which we can + mem_heap_t* heap, /*!< in: heap from which we can allocate memory */ - trx_t* trx, /* in: transaction */ - dict_table_t* table, /* in: table */ - ulint* n, /* out: number of constraints + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + ulint* n, /*!< out: number of constraints to drop */ - const char*** constraints_to_drop); /* out: id's of the + const char*** constraints_to_drop); /*!< out: id's of the constraints to drop */ /************************************************************************** Returns a table object and optionally increment its MySQL open handle count. NOTE! This is a high-level function to be used mainly from outside the 'dict' directory. Inside this directory dict_table_get_low is usually the -appropriate function. */ +appropriate function. +@return table, NULL if does not exist */ UNIV_INTERN dict_table_t* dict_table_get( /*===========*/ - /* out: table, NULL if - does not exist */ - const char* table_name, /* in: table name */ + const char* table_name, /*!< in: table name */ ibool inc_mysql_count); - /* in: whether to increment the open + /*!< in: whether to increment the open handle count on the table */ /************************************************************************** -Returns a index object, based on table and index id, and memoryfixes it. */ +Returns a index object, based on table and index id, and memoryfixes it. +@return index, NULL if does not exist */ UNIV_INTERN dict_index_t* dict_index_get_on_id_low( /*=====================*/ - /* out: index, NULL if does not - exist */ - dict_table_t* table, /* in: table */ - dulint index_id); /* in: index id */ + dict_table_t* table, /*!< in: table */ + dulint index_id); /*!< in: index id */ /************************************************************************** -Checks if a table is in the dictionary cache. */ +Checks if a table is in the dictionary cache. +@return table, NULL if not found */ UNIV_INLINE dict_table_t* dict_table_check_if_in_cache_low( /*=============================*/ - /* out: table, NULL if not found */ - const char* table_name); /* in: table name */ + const char* table_name); /*!< in: table name */ /************************************************************************** Gets a table; loads it to the dictionary cache if necessary. A low-level -function. */ +function. +@return table, NULL if not found */ UNIV_INLINE dict_table_t* dict_table_get_low( /*===============*/ - /* out: table, NULL if not found */ - const char* table_name); /* in: table name */ + const char* table_name); /*!< in: table name */ /************************************************************************** -Returns a table object based on table id. */ +Returns a table object based on table id. +@return table, NULL if does not exist */ UNIV_INLINE dict_table_t* dict_table_get_on_id_low( /*=====================*/ - /* out: table, NULL if does not exist */ - dulint table_id); /* in: table id */ + dulint table_id); /*!< in: table id */ /************************************************************************** Find an index that is equivalent to the one passed in and is not marked -for deletion. */ +for deletion. +@return index equivalent to foreign->foreign_index, or NULL */ UNIV_INTERN dict_index_t* dict_foreign_find_equiv_index( /*==========================*/ - /* out: index equivalent to - foreign->foreign_index, or NULL */ - dict_foreign_t* foreign);/* in: foreign key */ + dict_foreign_t* foreign);/*!< in: foreign key */ /************************************************************************** Returns an index object by matching on the name and column names and -if more than one index matches return the index with the max id */ +if more than one index matches return the index with the max id +@return matching index, NULL if not found */ UNIV_INTERN dict_index_t* dict_table_get_index_by_max_id( /*===========================*/ - /* out: matching index, NULL if not found */ - dict_table_t* table, /* in: table */ - const char* name, /* in: the index name to find */ - const char** columns,/* in: array of column names */ - ulint n_cols);/* in: number of columns */ + dict_table_t* table, /*!< in: table */ + const char* name, /*!< in: the index name to find */ + const char** columns,/*!< in: array of column names */ + ulint n_cols);/*!< in: number of columns */ /************************************************************************** -Returns a column's name. */ +Returns a column's name. +@return column name. NOTE: not guaranteed to stay valid if table is modified in any way (columns added, etc.). */ const char* dict_table_get_col_name( /*====================*/ - /* out: column name. NOTE: not - guaranteed to stay valid if table is - modified in any way (columns added, - etc.). */ - const dict_table_t* table, /* in: table */ - ulint col_nr);/* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint col_nr);/*!< in: column number */ /************************************************************************** Prints a table definition. */ @@ -470,34 +456,34 @@ UNIV_INTERN void dict_table_print( /*=============*/ - dict_table_t* table); /* in: table */ + dict_table_t* table); /*!< in: table */ /************************************************************************** Prints a table data. */ UNIV_INTERN void dict_table_print_low( /*=================*/ - dict_table_t* table); /* in: table */ + dict_table_t* table); /*!< in: table */ /************************************************************************** Prints a table data when we know the table name. */ UNIV_INTERN void dict_table_print_by_name( /*=====================*/ - const char* name); /* in: table name */ + const char* name); /*!< in: table name */ /************************************************************************** Outputs info on foreign keys of a table. */ UNIV_INTERN void dict_print_info_on_foreign_keys( /*============================*/ - ibool create_table_format, /* in: if TRUE then print in + ibool create_table_format, /*!< in: if TRUE then print in a format suitable to be inserted into a CREATE TABLE, otherwise in the format of SHOW TABLE STATUS */ - FILE* file, /* in: file where to print */ - trx_t* trx, /* in: transaction */ - dict_table_t* table); /* in: table */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table); /*!< in: table */ /************************************************************************** Outputs info on a foreign key of a table in a format suitable for CREATE TABLE. */ @@ -505,130 +491,123 @@ UNIV_INTERN void dict_print_info_on_foreign_key_in_create_format( /*============================================*/ - FILE* file, /* in: file where to print */ - trx_t* trx, /* in: transaction */ - dict_foreign_t* foreign, /* in: foreign key constraint */ - ibool add_newline); /* in: whether to add a newline */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + ibool add_newline); /*!< in: whether to add a newline */ /************************************************************************ Displays the names of the index and the table. */ UNIV_INTERN void dict_index_name_print( /*==================*/ - FILE* file, /* in: output stream */ - trx_t* trx, /* in: transaction */ - const dict_index_t* index); /* in: index to print */ + FILE* file, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index); /*!< in: index to print */ #ifdef UNIV_DEBUG /************************************************************************ -Gets the first index on the table (the clustered index). */ +Gets the first index on the table (the clustered index). +@return index, NULL if none exists */ UNIV_INLINE dict_index_t* dict_table_get_first_index( /*=======================*/ - /* out: index, NULL if none exists */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ -Gets the next index on the table. */ +Gets the next index on the table. +@return index, NULL if none left */ UNIV_INLINE dict_index_t* dict_table_get_next_index( /*======================*/ - /* out: index, NULL if none left */ - const dict_index_t* index); /* in: index */ + const dict_index_t* index); /*!< in: index */ #else /* UNIV_DEBUG */ # define dict_table_get_first_index(table) UT_LIST_GET_FIRST((table)->indexes) # define dict_table_get_next_index(index) UT_LIST_GET_NEXT(indexes, index) #endif /* UNIV_DEBUG */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************ -Check whether the index is the clustered index. */ +Check whether the index is the clustered index. +@return nonzero for clustered index, zero for other indexes */ UNIV_INLINE ulint dict_index_is_clust( /*================*/ - /* out: nonzero for clustered index, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ __attribute__((pure)); /************************************************************************ -Check whether the index is unique. */ +Check whether the index is unique. +@return nonzero for unique index, zero for other indexes */ UNIV_INLINE ulint dict_index_is_unique( /*=================*/ - /* out: nonzero for unique index, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ __attribute__((pure)); /************************************************************************ -Check whether the index is the insert buffer tree. */ +Check whether the index is the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE ulint dict_index_is_ibuf( /*===============*/ - /* out: nonzero for insert buffer, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ __attribute__((pure)); /************************************************************************ -Check whether the index is a secondary index or the insert buffer tree. */ +Check whether the index is a secondary index or the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE ulint dict_index_is_sec_or_ibuf( /*======================*/ - /* out: nonzero for insert buffer, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ __attribute__((pure)); /************************************************************************ Gets the number of user-defined columns in a table in the dictionary -cache. */ +cache. +@return number of user-defined (e.g., not ROW_ID) columns of a table */ UNIV_INLINE ulint dict_table_get_n_user_cols( /*=======================*/ - /* out: number of user-defined - (e.g., not ROW_ID) - columns of a table */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ -Gets the number of system columns in a table in the dictionary cache. */ +Gets the number of system columns in a table in the dictionary cache. +@return number of system (e.g., ROW_ID) columns of a table */ UNIV_INLINE ulint dict_table_get_n_sys_cols( /*======================*/ - /* out: number of system (e.g., - ROW_ID) columns of a table */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ Gets the number of all columns (also system) in a table in the dictionary -cache. */ +cache. +@return number of columns of a table */ UNIV_INLINE ulint dict_table_get_n_cols( /*==================*/ - /* out: number of columns of a table */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ #ifdef UNIV_DEBUG /************************************************************************ -Gets the nth column of a table. */ +Gets the nth column of a table. +@return pointer to column object */ UNIV_INLINE dict_col_t* dict_table_get_nth_col( /*===================*/ - /* out: pointer to column object */ - const dict_table_t* table, /* in: table */ - ulint pos); /* in: position of column */ + const dict_table_t* table, /*!< in: table */ + ulint pos); /*!< in: position of column */ /************************************************************************ -Gets the given system column of a table. */ +Gets the given system column of a table. +@return pointer to column object */ UNIV_INLINE dict_col_t* dict_table_get_sys_col( /*===================*/ - /* out: pointer to column object */ - const dict_table_t* table, /* in: table */ - ulint sys); /* in: DATA_ROW_ID, ... */ + const dict_table_t* table, /*!< in: table */ + ulint sys); /*!< in: DATA_ROW_ID, ... */ #else /* UNIV_DEBUG */ #define dict_table_get_nth_col(table, pos) \ ((table)->cols + (pos)) @@ -636,79 +615,75 @@ dict_table_get_sys_col( ((table)->cols + (table)->n_cols + (sys) - DATA_N_SYS_COLS) #endif /* UNIV_DEBUG */ /************************************************************************ -Gets the given system column number of a table. */ +Gets the given system column number of a table. +@return column number */ UNIV_INLINE ulint dict_table_get_sys_col_no( /*======================*/ - /* out: column number */ - const dict_table_t* table, /* in: table */ - ulint sys); /* in: DATA_ROW_ID, ... */ + const dict_table_t* table, /*!< in: table */ + ulint sys); /*!< in: DATA_ROW_ID, ... */ #ifndef UNIV_HOTBACKUP /************************************************************************ -Returns the minimum data size of an index record. */ +Returns the minimum data size of an index record. +@return minimum data size in bytes */ UNIV_INLINE ulint dict_index_get_min_size( /*====================*/ - /* out: minimum data size in bytes */ - const dict_index_t* index); /* in: index */ + const dict_index_t* index); /*!< in: index */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************ -Check whether the table uses the compact page format. */ +Check whether the table uses the compact page format. +@return TRUE if table uses the compact page format */ UNIV_INLINE ibool dict_table_is_comp( /*===============*/ - /* out: TRUE if table uses the - compact page format */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ -Determine the file format of a table. */ +Determine the file format of a table. +@return file format version */ UNIV_INLINE ulint dict_table_get_format( /*==================*/ - /* out: file format version */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ Set the file format of a table. */ UNIV_INLINE void dict_table_set_format( /*==================*/ - dict_table_t* table, /* in/out: table */ - ulint format);/* in: file format version */ + dict_table_t* table, /*!< in/out: table */ + ulint format);/*!< in: file format version */ /************************************************************************ -Extract the compressed page size from table flags. */ +Extract the compressed page size from table flags. +@return compressed page size, or 0 if not compressed */ UNIV_INLINE ulint dict_table_flags_to_zip_size( /*=========================*/ - /* out: compressed page size, - or 0 if not compressed */ - ulint flags) /* in: flags */ + ulint flags) /*!< in: flags */ __attribute__((const)); /************************************************************************ -Check whether the table uses the compressed compact page format. */ +Check whether the table uses the compressed compact page format. +@return compressed page size, or 0 if not compressed */ UNIV_INLINE ulint dict_table_zip_size( /*================*/ - /* out: compressed page size, - or 0 if not compressed */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************ Checks if a column is in the ordering columns of the clustered index of a -table. Column prefixes are treated like whole columns. */ +table. Column prefixes are treated like whole columns. +@return TRUE if the column, or its prefix, is in the clustered key */ UNIV_INTERN ibool dict_table_col_in_clustered_key( /*============================*/ - /* out: TRUE if the column, or its - prefix, is in the clustered key */ - const dict_table_t* table, /* in: table */ - ulint n); /* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint n); /*!< in: column number */ #ifndef UNIV_HOTBACKUP /*********************************************************************** Copies types of columns contained in table to tuple and sets all @@ -718,30 +693,30 @@ UNIV_INTERN void dict_table_copy_types( /*==================*/ - dtuple_t* tuple, /* in/out: data tuple */ - const dict_table_t* table); /* in: table */ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_table_t* table); /*!< in: table */ /************************************************************************** Looks for an index with the given id. NOTE that we do not reserve the dictionary mutex: this function is for emergency purposes like -printing info of a corrupt database page! */ +printing info of a corrupt database page! +@return index or NULL if not found from cache */ UNIV_INTERN dict_index_t* dict_index_find_on_id_low( /*======================*/ - /* out: index or NULL if not found from cache */ - dulint id); /* in: index id */ + dulint id); /*!< in: index id */ /************************************************************************** -Adds an index to the dictionary cache. */ +Adds an index to the dictionary cache. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_index_add_to_cache( /*====================*/ - /* out: DB_SUCCESS or error code */ - dict_table_t* table, /* in: table on which the index is */ - dict_index_t* index, /* in, own: index; NOTE! The index memory + dict_table_t* table, /*!< in: table on which the index is */ + dict_index_t* index, /*!< in, own: index; NOTE! The index memory object is freed in this function! */ - ulint page_no,/* in: root page number of the index */ - ibool strict);/* in: TRUE=refuse to create the index + ulint page_no,/*!< in: root page number of the index */ + ibool strict);/*!< in: TRUE=refuse to create the index if records could be too big to fit in an B-tree page */ /************************************************************************** @@ -750,155 +725,145 @@ UNIV_INTERN void dict_index_remove_from_cache( /*=========================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index); /* in, own: index */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************ Gets the number of fields in the internal representation of an index, -including fields added by the dictionary system. */ +including fields added by the dictionary system. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_fields( /*====================*/ - /* out: number of fields */ - const dict_index_t* index); /* in: an internal + const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ /************************************************************************ Gets the number of fields in the internal representation of an index that uniquely determine the position of an index entry in the index, if we do not take multiversioning into account: in the B-tree use the value -returned by dict_index_get_n_unique_in_tree. */ +returned by dict_index_get_n_unique_in_tree. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_unique( /*====================*/ - /* out: number of fields */ - const dict_index_t* index); /* in: an internal representation + const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ /************************************************************************ Gets the number of fields in the internal representation of an index which uniquely determine the position of an index entry in the index, if -we also take multiversioning into account. */ +we also take multiversioning into account. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_unique_in_tree( /*============================*/ - /* out: number of fields */ - const dict_index_t* index); /* in: an internal representation + const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ /************************************************************************ Gets the number of user-defined ordering fields in the index. In the internal representation we add the row id to the ordering fields to make all indexes unique, but this function returns the number of fields the user defined -in the index as ordering fields. */ +in the index as ordering fields. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_ordering_defined_by_user( /*======================================*/ - /* out: number of fields */ - const dict_index_t* index); /* in: an internal representation + const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ #ifdef UNIV_DEBUG /************************************************************************ -Gets the nth field of an index. */ +Gets the nth field of an index. +@return pointer to field object */ UNIV_INLINE dict_field_t* dict_index_get_nth_field( /*=====================*/ - /* out: pointer to field object */ - const dict_index_t* index, /* in: index */ - ulint pos); /* in: position of field */ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of field */ #else /* UNIV_DEBUG */ # define dict_index_get_nth_field(index, pos) ((index)->fields + (pos)) #endif /* UNIV_DEBUG */ /************************************************************************ -Gets pointer to the nth column in an index. */ +Gets pointer to the nth column in an index. +@return column */ UNIV_INLINE const dict_col_t* dict_index_get_nth_col( /*===================*/ - /* out: column */ - const dict_index_t* index, /* in: index */ - ulint pos); /* in: position of the field */ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of the field */ /************************************************************************ -Gets the column number of the nth field in an index. */ +Gets the column number of the nth field in an index. +@return column number */ UNIV_INLINE ulint dict_index_get_nth_col_no( /*======================*/ - /* out: column number */ - const dict_index_t* index, /* in: index */ - ulint pos); /* in: position of the field */ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of the field */ /************************************************************************ -Looks for column n in an index. */ +Looks for column n in an index. +@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ UNIV_INTERN ulint dict_index_get_nth_col_pos( /*=======================*/ - /* out: position in internal - representation of the index; - if not contained, returns - ULINT_UNDEFINED */ - const dict_index_t* index, /* in: index */ - ulint n); /* in: column number */ + const dict_index_t* index, /*!< in: index */ + ulint n); /*!< in: column number */ /************************************************************************ -Returns TRUE if the index contains a column or a prefix of that column. */ +Returns TRUE if the index contains a column or a prefix of that column. +@return TRUE if contains the column or its prefix */ UNIV_INTERN ibool dict_index_contains_col_or_prefix( /*==============================*/ - /* out: TRUE if contains the column - or its prefix */ - const dict_index_t* index, /* in: index */ - ulint n); /* in: column number */ + const dict_index_t* index, /*!< in: index */ + ulint n); /*!< in: column number */ /************************************************************************ Looks for a matching field in an index. The column has to be the same. The column in index must be complete, or must contain a prefix longer than the column in index2. That is, we must be able to construct the prefix in index2 -from the prefix in index. */ +from the prefix in index. +@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ UNIV_INTERN ulint dict_index_get_nth_field_pos( /*=========================*/ - /* out: position in internal - representation of the index; - if not contained, returns - ULINT_UNDEFINED */ - const dict_index_t* index, /* in: index from which to search */ - const dict_index_t* index2, /* in: index */ - ulint n); /* in: field number in index2 */ + const dict_index_t* index, /*!< in: index from which to search */ + const dict_index_t* index2, /*!< in: index */ + ulint n); /*!< in: field number in index2 */ /************************************************************************ -Looks for column n position in the clustered index. */ +Looks for column n position in the clustered index. +@return position in internal representation of the clustered index */ UNIV_INTERN ulint dict_table_get_nth_col_pos( /*=======================*/ - /* out: position in internal - representation of - the clustered index */ - const dict_table_t* table, /* in: table */ - ulint n); /* in: column number */ + const dict_table_t* table, /*!< in: table */ + ulint n); /*!< in: column number */ /************************************************************************ -Returns the position of a system column in an index. */ +Returns the position of a system column in an index. +@return position, ULINT_UNDEFINED if not contained */ UNIV_INLINE ulint dict_index_get_sys_col_pos( /*=======================*/ - /* out: position, - ULINT_UNDEFINED if not contained */ - const dict_index_t* index, /* in: index */ - ulint type); /* in: DATA_ROW_ID, ... */ + const dict_index_t* index, /*!< in: index */ + ulint type); /*!< in: DATA_ROW_ID, ... */ /*********************************************************************** Adds a column to index. */ UNIV_INTERN void dict_index_add_col( /*===============*/ - dict_index_t* index, /* in/out: index */ - const dict_table_t* table, /* in: table */ - dict_col_t* col, /* in: column */ - ulint prefix_len); /* in: column prefix length */ + dict_index_t* index, /*!< in/out: index */ + const dict_table_t* table, /*!< in: table */ + dict_col_t* col, /*!< in: column */ + ulint prefix_len); /*!< in: column prefix length */ #ifndef UNIV_HOTBACKUP /*********************************************************************** Copies types of fields contained in index to tuple. */ @@ -906,160 +871,158 @@ UNIV_INTERN void dict_index_copy_types( /*==================*/ - dtuple_t* tuple, /* in/out: data tuple */ - const dict_index_t* index, /* in: index */ - ulint n_fields); /* in: number of + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_index_t* index, /*!< in: index */ + ulint n_fields); /*!< in: number of field types to copy */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Gets the field column. */ +Gets the field column. +@return field->col, pointer to the table column */ UNIV_INLINE const dict_col_t* dict_field_get_col( /*===============*/ - /* out: field->col, - pointer to the table column */ - const dict_field_t* field); /* in: index field */ + const dict_field_t* field); /*!< in: index field */ #ifndef UNIV_HOTBACKUP /************************************************************************** Returns an index object if it is found in the dictionary cache. -Assumes that dict_sys->mutex is already being held. */ +Assumes that dict_sys->mutex is already being held. +@return index, NULL if not found */ UNIV_INTERN dict_index_t* dict_index_get_if_in_cache_low( /*===========================*/ - /* out: index, NULL if not found */ - dulint index_id); /* in: index id */ + dulint index_id); /*!< in: index id */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /************************************************************************** -Returns an index object if it is found in the dictionary cache. */ +Returns an index object if it is found in the dictionary cache. +@return index, NULL if not found */ UNIV_INTERN dict_index_t* dict_index_get_if_in_cache( /*=======================*/ - /* out: index, NULL if not found */ - dulint index_id); /* in: index id */ + dulint index_id); /*!< in: index id */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG /************************************************************************** Checks that a tuple has n_fields_cmp value in a sensible range, so that -no comparison can occur with the page number field in a node pointer. */ +no comparison can occur with the page number field in a node pointer. +@return TRUE if ok */ UNIV_INTERN ibool dict_index_check_search_tuple( /*==========================*/ - /* out: TRUE if ok */ - const dict_index_t* index, /* in: index tree */ - const dtuple_t* tuple); /* in: tuple used in a search */ + const dict_index_t* index, /*!< in: index tree */ + const dtuple_t* tuple); /*!< in: tuple used in a search */ /************************************************************************** Check for duplicate index entries in a table [using the index name] */ UNIV_INTERN void dict_table_check_for_dup_indexes( /*=============================*/ - const dict_table_t* table); /* in: Check for dup indexes + const dict_table_t* table); /*!< in: Check for dup indexes in this table */ #endif /* UNIV_DEBUG */ /************************************************************************** -Builds a node pointer out of a physical record and a page number. */ +Builds a node pointer out of a physical record and a page number. +@return own: node pointer */ UNIV_INTERN dtuple_t* dict_index_build_node_ptr( /*======================*/ - /* out, own: node pointer */ - const dict_index_t* index, /* in: index */ - const rec_t* rec, /* in: record for which to build node + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to build node pointer */ - ulint page_no,/* in: page number to put in node + ulint page_no,/*!< in: page number to put in node pointer */ - mem_heap_t* heap, /* in: memory heap where pointer + mem_heap_t* heap, /*!< in: memory heap where pointer created */ - ulint level); /* in: level of rec in tree: + ulint level); /*!< in: level of rec in tree: 0 means leaf level */ /************************************************************************** Copies an initial segment of a physical record, long enough to specify an -index entry uniquely. */ +index entry uniquely. +@return pointer to the prefix record */ UNIV_INTERN rec_t* dict_index_copy_rec_order_prefix( /*=============================*/ - /* out: pointer to the prefix record */ - const dict_index_t* index, /* in: index */ - const rec_t* rec, /* in: record for which to + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to copy prefix */ - ulint* n_fields,/* out: number of fields copied */ - byte** buf, /* in/out: memory buffer for the + ulint* n_fields,/*!< out: number of fields copied */ + byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ - ulint* buf_size);/* in/out: buffer size */ + ulint* buf_size);/*!< in/out: buffer size */ /************************************************************************** -Builds a typed data tuple out of a physical record. */ +Builds a typed data tuple out of a physical record. +@return own: data tuple */ UNIV_INTERN dtuple_t* dict_index_build_data_tuple( /*========================*/ - /* out, own: data tuple */ - dict_index_t* index, /* in: index */ - rec_t* rec, /* in: record for which to build data tuple */ - ulint n_fields,/* in: number of data fields */ - mem_heap_t* heap); /* in: memory heap where tuple created */ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record for which to build data tuple */ + ulint n_fields,/*!< in: number of data fields */ + mem_heap_t* heap); /*!< in: memory heap where tuple created */ /************************************************************************* -Gets the space id of the root of the index tree. */ +Gets the space id of the root of the index tree. +@return space id */ UNIV_INLINE ulint dict_index_get_space( /*=================*/ - /* out: space id */ - const dict_index_t* index); /* in: index */ + const dict_index_t* index); /*!< in: index */ /************************************************************************* Sets the space id of the root of the index tree. */ UNIV_INLINE void dict_index_set_space( /*=================*/ - dict_index_t* index, /* in/out: index */ - ulint space); /* in: space id */ + dict_index_t* index, /*!< in/out: index */ + ulint space); /*!< in: space id */ /************************************************************************* -Gets the page number of the root of the index tree. */ +Gets the page number of the root of the index tree. +@return page number */ UNIV_INLINE ulint dict_index_get_page( /*================*/ - /* out: page number */ - const dict_index_t* tree); /* in: index */ + const dict_index_t* tree); /*!< in: index */ /************************************************************************* Sets the page number of the root of index tree. */ UNIV_INLINE void dict_index_set_page( /*================*/ - dict_index_t* index, /* in/out: index */ - ulint page); /* in: page number */ + dict_index_t* index, /*!< in/out: index */ + ulint page); /*!< in: page number */ /************************************************************************* -Gets the read-write lock of the index tree. */ +Gets the read-write lock of the index tree. +@return read-write lock */ UNIV_INLINE rw_lock_t* dict_index_get_lock( /*================*/ - /* out: read-write lock */ - dict_index_t* index); /* in: index */ + dict_index_t* index); /*!< in: index */ /************************************************************************ Returns free space reserved for future updates of records. This is relevant only in the case of many consecutive inserts, as updates -which make the records bigger might fragment the index. */ +which make the records bigger might fragment the index. +@return number of free bytes on page, reserved for updates */ UNIV_INLINE ulint dict_index_get_space_reserve(void); /*==============================*/ - /* out: number of free bytes on page, - reserved for updates */ /************************************************************************* Calculates the minimum record length in an index. */ UNIV_INTERN ulint dict_index_calc_min_rec_len( /*========================*/ - const dict_index_t* index); /* in: index */ + const dict_index_t* index); /*!< in: index */ /************************************************************************* Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ @@ -1067,8 +1030,8 @@ UNIV_INTERN void dict_update_statistics_low( /*=======================*/ - dict_table_t* table, /* in/out: table */ - ibool has_dict_mutex);/* in: TRUE if the caller has the + dict_table_t* table, /*!< in/out: table */ + ibool has_dict_mutex);/*!< in: TRUE if the caller has the dictionary mutex */ /************************************************************************* Calculates new estimates for table and index statistics. The statistics @@ -1077,7 +1040,7 @@ UNIV_INTERN void dict_update_statistics( /*===================*/ - dict_table_t* table); /* in/out: table */ + dict_table_t* table); /*!< in/out: table */ /************************************************************************ Reserves the dictionary system mutex for MySQL. */ UNIV_INTERN @@ -1091,15 +1054,15 @@ void dict_mutex_exit_for_mysql(void); /*===========================*/ /************************************************************************ -Checks if the database name in two table names is the same. */ +Checks if the database name in two table names is the same. +@return TRUE if same db name */ UNIV_INTERN ibool dict_tables_have_same_db( /*=====================*/ - /* out: TRUE if same db name */ - const char* name1, /* in: table name in the form + const char* name1, /*!< in: table name in the form dbname '/' tablename */ - const char* name2); /* in: table name in the form + const char* name2); /*!< in: table name in the form dbname '/' tablename */ /************************************************************************* Removes an index from the cache */ @@ -1107,27 +1070,27 @@ UNIV_INTERN void dict_index_remove_from_cache( /*=========================*/ - dict_table_t* table, /* in/out: table */ - dict_index_t* index); /* in, own: index */ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ /************************************************************************** -Get index by name */ +Get index by name +@return index, NULL if does not exist */ UNIV_INTERN dict_index_t* dict_table_get_index_on_name( /*=========================*/ - /* out: index, NULL if does not exist */ - dict_table_t* table, /* in: table */ - const char* name); /* in: name of the index to find */ + dict_table_t* table, /*!< in: table */ + const char* name); /*!< in: name of the index to find */ /************************************************************************** In case there is more than one index with the same name return the index -with the min(id). */ +with the min(id). +@return index, NULL if does not exist */ UNIV_INTERN dict_index_t* dict_table_get_index_on_name_and_min_id( /*====================================*/ - /* out: index, NULL if does not exist */ - dict_table_t* table, /* in: table */ - const char* name); /* in: name of the index to find */ + dict_table_t* table, /*!< in: table */ + const char* name); /*!< in: name of the index to find */ /* Buffers for storing detailed information about the latest foreign key and unique key errors */ extern FILE* dict_foreign_err_file; diff --git a/include/dict0dict.ic b/include/dict0dict.ic index 51939642fac..c7bfe8b6efe 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -33,8 +33,8 @@ UNIV_INLINE void dict_col_copy_type( /*===============*/ - const dict_col_t* col, /* in: column */ - dtype_t* type) /* out: data type */ + const dict_col_t* col, /*!< in: column */ + dtype_t* type) /*!< out: data type */ { ut_ad(col && type); @@ -48,14 +48,14 @@ dict_col_copy_type( #ifdef UNIV_DEBUG /************************************************************************* -Assert that a column and a data type match. */ +Assert that a column and a data type match. +@return TRUE */ UNIV_INLINE ibool dict_col_type_assert_equal( /*=======================*/ - /* out: TRUE */ - const dict_col_t* col, /* in: column */ - const dtype_t* type) /* in: data type */ + const dict_col_t* col, /*!< in: column */ + const dtype_t* type) /*!< in: data type */ { ut_ad(col); ut_ad(type); @@ -74,66 +74,64 @@ dict_col_type_assert_equal( #ifndef UNIV_HOTBACKUP /*************************************************************************** -Returns the minimum size of the column. */ +Returns the minimum size of the column. +@return minimum size */ UNIV_INLINE ulint dict_col_get_min_size( /*==================*/ - /* out: minimum size */ - const dict_col_t* col) /* in: column */ + const dict_col_t* col) /*!< in: column */ { return(dtype_get_min_size_low(col->mtype, col->prtype, col->len, col->mbminlen, col->mbmaxlen)); } /*************************************************************************** -Returns the maximum size of the column. */ +Returns the maximum size of the column. +@return maximum size */ UNIV_INLINE ulint dict_col_get_max_size( /*==================*/ - /* out: maximum size */ - const dict_col_t* col) /* in: column */ + const dict_col_t* col) /*!< in: column */ { return(dtype_get_max_size_low(col->mtype, col->len)); } #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** -Returns the size of a fixed size column, 0 if not a fixed size column. */ +Returns the size of a fixed size column, 0 if not a fixed size column. +@return fixed size, or 0 */ UNIV_INLINE ulint dict_col_get_fixed_size( /*====================*/ - /* out: fixed size, or 0 */ - const dict_col_t* col, /* in: column */ - ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ + const dict_col_t* col, /*!< in: column */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ { return(dtype_get_fixed_size_low(col->mtype, col->prtype, col->len, col->mbminlen, col->mbmaxlen, comp)); } /*************************************************************************** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. -For fixed length types it is the fixed length of the type, otherwise 0. */ +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ UNIV_INLINE ulint dict_col_get_sql_null_size( /*=======================*/ - /* out: SQL null storage size - in ROW_FORMAT=REDUNDANT */ - const dict_col_t* col, /* in: column */ - ulint comp) /* in: nonzero=ROW_FORMAT=COMPACT */ + const dict_col_t* col, /*!< in: column */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ { return(dict_col_get_fixed_size(col, comp)); } /************************************************************************* -Gets the column number. */ +Gets the column number. +@return col->ind, table column position (starting from 0) */ UNIV_INLINE ulint dict_col_get_no( /*============*/ - /* out: col->ind, table column - position (starting from 0) */ - const dict_col_t* col) /* in: column */ + const dict_col_t* col) /*!< in: column */ { ut_ad(col); @@ -146,8 +144,8 @@ UNIV_INLINE ulint dict_col_get_clust_pos( /*===================*/ - const dict_col_t* col, /* in: table column */ - const dict_index_t* clust_index) /* in: clustered index */ + const dict_col_t* col, /*!< in: table column */ + const dict_index_t* clust_index) /*!< in: clustered index */ { ulint i; @@ -169,13 +167,13 @@ dict_col_get_clust_pos( #ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG /************************************************************************ -Gets the first index on the table (the clustered index). */ +Gets the first index on the table (the clustered index). +@return index, NULL if none exists */ UNIV_INLINE dict_index_t* dict_table_get_first_index( /*=======================*/ - /* out: index, NULL if none exists */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); @@ -184,13 +182,13 @@ dict_table_get_first_index( } /************************************************************************ -Gets the next index on the table. */ +Gets the next index on the table. +@return index, NULL if none left */ UNIV_INLINE dict_index_t* dict_table_get_next_index( /*======================*/ - /* out: index, NULL if none left */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -201,14 +199,13 @@ dict_table_get_next_index( #endif /* !UNIV_HOTBACKUP */ /************************************************************************ -Check whether the index is the clustered index. */ +Check whether the index is the clustered index. +@return nonzero for clustered index, zero for other indexes */ UNIV_INLINE ulint dict_index_is_clust( /*================*/ - /* out: nonzero for clustered index, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -216,14 +213,13 @@ dict_index_is_clust( return(UNIV_UNLIKELY(index->type & DICT_CLUSTERED)); } /************************************************************************ -Check whether the index is unique. */ +Check whether the index is unique. +@return nonzero for unique index, zero for other indexes */ UNIV_INLINE ulint dict_index_is_unique( /*=================*/ - /* out: nonzero for unique index, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -232,14 +228,13 @@ dict_index_is_unique( } /************************************************************************ -Check whether the index is the insert buffer tree. */ +Check whether the index is the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE ulint dict_index_is_ibuf( /*===============*/ - /* out: nonzero for insert buffer, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -248,14 +243,13 @@ dict_index_is_ibuf( } /************************************************************************ -Check whether the index is a secondary index or the insert buffer tree. */ +Check whether the index is a secondary index or the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE ulint dict_index_is_sec_or_ibuf( /*======================*/ - /* out: nonzero for insert buffer, - zero for other indexes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ulint type; @@ -269,15 +263,13 @@ dict_index_is_sec_or_ibuf( /************************************************************************ Gets the number of user-defined columns in a table in the dictionary -cache. */ +cache. +@return number of user-defined (e.g., not ROW_ID) columns of a table */ UNIV_INLINE ulint dict_table_get_n_user_cols( /*=======================*/ - /* out: number of user-defined - (e.g., not ROW_ID) - columns of a table */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); @@ -286,14 +278,13 @@ dict_table_get_n_user_cols( } /************************************************************************ -Gets the number of system columns in a table in the dictionary cache. */ +Gets the number of system columns in a table in the dictionary cache. +@return number of system (e.g., ROW_ID) columns of a table */ UNIV_INLINE ulint dict_table_get_n_sys_cols( /*======================*/ - /* out: number of system (e.g., - ROW_ID) columns of a table */ - const dict_table_t* table __attribute__((unused))) /* in: table */ + const dict_table_t* table __attribute__((unused))) /*!< in: table */ { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); @@ -304,13 +295,13 @@ dict_table_get_n_sys_cols( /************************************************************************ Gets the number of all columns (also system) in a table in the dictionary -cache. */ +cache. +@return number of columns of a table */ UNIV_INLINE ulint dict_table_get_n_cols( /*==================*/ - /* out: number of columns of a table */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); @@ -320,14 +311,14 @@ dict_table_get_n_cols( #ifdef UNIV_DEBUG /************************************************************************ -Gets the nth column of a table. */ +Gets the nth column of a table. +@return pointer to column object */ UNIV_INLINE dict_col_t* dict_table_get_nth_col( /*===================*/ - /* out: pointer to column object */ - const dict_table_t* table, /* in: table */ - ulint pos) /* in: position of column */ + const dict_table_t* table, /*!< in: table */ + ulint pos) /*!< in: position of column */ { ut_ad(table); ut_ad(pos < table->n_def); @@ -337,14 +328,14 @@ dict_table_get_nth_col( } /************************************************************************ -Gets the given system column of a table. */ +Gets the given system column of a table. +@return pointer to column object */ UNIV_INLINE dict_col_t* dict_table_get_sys_col( /*===================*/ - /* out: pointer to column object */ - const dict_table_t* table, /* in: table */ - ulint sys) /* in: DATA_ROW_ID, ... */ + const dict_table_t* table, /*!< in: table */ + ulint sys) /*!< in: DATA_ROW_ID, ... */ { dict_col_t* col; @@ -362,14 +353,14 @@ dict_table_get_sys_col( #endif /* UNIV_DEBUG */ /************************************************************************ -Gets the given system column number of a table. */ +Gets the given system column number of a table. +@return column number */ UNIV_INLINE ulint dict_table_get_sys_col_no( /*======================*/ - /* out: column number */ - const dict_table_t* table, /* in: table */ - ulint sys) /* in: DATA_ROW_ID, ... */ + const dict_table_t* table, /*!< in: table */ + ulint sys) /*!< in: DATA_ROW_ID, ... */ { ut_ad(table); ut_ad(sys < DATA_N_SYS_COLS); @@ -379,14 +370,13 @@ dict_table_get_sys_col_no( } /************************************************************************ -Check whether the table uses the compact page format. */ +Check whether the table uses the compact page format. +@return TRUE if table uses the compact page format */ UNIV_INLINE ibool dict_table_is_comp( /*===============*/ - /* out: TRUE if table uses the - compact page format */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); @@ -398,13 +388,13 @@ dict_table_is_comp( } /************************************************************************ -Determine the file format of a table. */ +Determine the file format of a table. +@return file format version */ UNIV_INLINE ulint dict_table_get_format( /*==================*/ - /* out: file format version */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); @@ -417,8 +407,8 @@ UNIV_INLINE void dict_table_set_format( /*==================*/ - dict_table_t* table, /* in/out: table */ - ulint format) /* in: file format version */ + dict_table_t* table, /*!< in/out: table */ + ulint format) /*!< in: file format version */ { ut_ad(table); @@ -427,14 +417,13 @@ dict_table_set_format( } /************************************************************************ -Extract the compressed page size from table flags. */ +Extract the compressed page size from table flags. +@return compressed page size, or 0 if not compressed */ UNIV_INLINE ulint dict_table_flags_to_zip_size( /*=========================*/ - /* out: compressed page size, - or 0 if not compressed */ - ulint flags) /* in: flags */ + ulint flags) /*!< in: flags */ { ulint zip_size = flags & DICT_TF_ZSSIZE_MASK; @@ -449,14 +438,13 @@ dict_table_flags_to_zip_size( } /************************************************************************ -Check whether the table uses the compressed compact page format. */ +Check whether the table uses the compressed compact page format. +@return compressed page size, or 0 if not compressed */ UNIV_INLINE ulint dict_table_zip_size( /*================*/ - /* out: compressed page size, - or 0 if not compressed */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { ut_ad(table); @@ -465,13 +453,13 @@ dict_table_zip_size( /************************************************************************ Gets the number of fields in the internal representation of an index, -including fields added by the dictionary system. */ +including fields added by the dictionary system. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_fields( /*====================*/ - /* out: number of fields */ - const dict_index_t* index) /* in: an internal + const dict_index_t* index) /*!< in: an internal representation of index (in the dictionary cache) */ { @@ -485,13 +473,13 @@ dict_index_get_n_fields( Gets the number of fields in the internal representation of an index that uniquely determine the position of an index entry in the index, if we do not take multiversioning into account: in the B-tree use the value -returned by dict_index_get_n_unique_in_tree. */ +returned by dict_index_get_n_unique_in_tree. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_unique( /*====================*/ - /* out: number of fields */ - const dict_index_t* index) /* in: an internal representation + const dict_index_t* index) /*!< in: an internal representation of index (in the dictionary cache) */ { ut_ad(index); @@ -504,13 +492,13 @@ dict_index_get_n_unique( /************************************************************************ Gets the number of fields in the internal representation of an index which uniquely determine the position of an index entry in the index, if -we also take multiversioning into account. */ +we also take multiversioning into account. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_unique_in_tree( /*============================*/ - /* out: number of fields */ - const dict_index_t* index) /* in: an internal representation + const dict_index_t* index) /*!< in: an internal representation of index (in the dictionary cache) */ { ut_ad(index); @@ -529,13 +517,13 @@ dict_index_get_n_unique_in_tree( Gets the number of user-defined ordering fields in the index. In the internal representation of clustered indexes we add the row id to the ordering fields to make a clustered index unique, but this function returns the number of -fields the user defined in the index as ordering fields. */ +fields the user defined in the index as ordering fields. +@return number of fields */ UNIV_INLINE ulint dict_index_get_n_ordering_defined_by_user( /*======================================*/ - /* out: number of fields */ - const dict_index_t* index) /* in: an internal representation + const dict_index_t* index) /*!< in: an internal representation of index (in the dictionary cache) */ { return(index->n_user_defined_cols); @@ -543,14 +531,14 @@ dict_index_get_n_ordering_defined_by_user( #ifdef UNIV_DEBUG /************************************************************************ -Gets the nth field of an index. */ +Gets the nth field of an index. +@return pointer to field object */ UNIV_INLINE dict_field_t* dict_index_get_nth_field( /*=====================*/ - /* out: pointer to field object */ - const dict_index_t* index, /* in: index */ - ulint pos) /* in: position of field */ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of field */ { ut_ad(index); ut_ad(pos < index->n_def); @@ -561,15 +549,14 @@ dict_index_get_nth_field( #endif /* UNIV_DEBUG */ /************************************************************************ -Returns the position of a system column in an index. */ +Returns the position of a system column in an index. +@return position, ULINT_UNDEFINED if not contained */ UNIV_INLINE ulint dict_index_get_sys_col_pos( /*=======================*/ - /* out: position, - ULINT_UNDEFINED if not contained */ - const dict_index_t* index, /* in: index */ - ulint type) /* in: DATA_ROW_ID, ... */ + const dict_index_t* index, /*!< in: index */ + ulint type) /*!< in: DATA_ROW_ID, ... */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -587,14 +574,13 @@ dict_index_get_sys_col_pos( } /************************************************************************* -Gets the field column. */ +Gets the field column. +@return field->col, pointer to the table column */ UNIV_INLINE const dict_col_t* dict_field_get_col( /*===============*/ - /* out: field->col, - pointer to the table column */ - const dict_field_t* field) /* in: index field */ + const dict_field_t* field) /*!< in: index field */ { ut_ad(field); @@ -602,40 +588,40 @@ dict_field_get_col( } /************************************************************************ -Gets pointer to the nth column in an index. */ +Gets pointer to the nth column in an index. +@return column */ UNIV_INLINE const dict_col_t* dict_index_get_nth_col( /*===================*/ - /* out: column */ - const dict_index_t* index, /* in: index */ - ulint pos) /* in: position of the field */ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of the field */ { return(dict_field_get_col(dict_index_get_nth_field(index, pos))); } /************************************************************************ -Gets the column number the nth field in an index. */ +Gets the column number the nth field in an index. +@return column number */ UNIV_INLINE ulint dict_index_get_nth_col_no( /*======================*/ - /* out: column number */ - const dict_index_t* index, /* in: index */ - ulint pos) /* in: position of the field */ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of the field */ { return(dict_col_get_no(dict_index_get_nth_col(index, pos))); } #ifndef UNIV_HOTBACKUP /************************************************************************ -Returns the minimum data size of an index record. */ +Returns the minimum data size of an index record. +@return minimum data size in bytes */ UNIV_INLINE ulint dict_index_get_min_size( /*====================*/ - /* out: minimum data size in bytes */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ulint n = dict_index_get_n_fields(index); ulint size = 0; @@ -649,13 +635,13 @@ dict_index_get_min_size( } /************************************************************************* -Gets the space id of the root of the index tree. */ +Gets the space id of the root of the index tree. +@return space id */ UNIV_INLINE ulint dict_index_get_space( /*=================*/ - /* out: space id */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -669,8 +655,8 @@ UNIV_INLINE void dict_index_set_space( /*=================*/ - dict_index_t* index, /* in/out: index */ - ulint space) /* in: space id */ + dict_index_t* index, /*!< in/out: index */ + ulint space) /*!< in: space id */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -679,13 +665,13 @@ dict_index_set_space( } /************************************************************************* -Gets the page number of the root of the index tree. */ +Gets the page number of the root of the index tree. +@return page number */ UNIV_INLINE ulint dict_index_get_page( /*================*/ - /* out: page number */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -699,8 +685,8 @@ UNIV_INLINE void dict_index_set_page( /*================*/ - dict_index_t* index, /* in/out: index */ - ulint page) /* in: page number */ + dict_index_t* index, /*!< in/out: index */ + ulint page) /*!< in: page number */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -709,13 +695,13 @@ dict_index_set_page( } /************************************************************************* -Gets the read-write lock of the index tree. */ +Gets the read-write lock of the index tree. +@return read-write lock */ UNIV_INLINE rw_lock_t* dict_index_get_lock( /*================*/ - /* out: read-write lock */ - dict_index_t* index) /* in: index */ + dict_index_t* index) /*!< in: index */ { ut_ad(index); ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); @@ -726,25 +712,24 @@ dict_index_get_lock( /************************************************************************ Returns free space reserved for future updates of records. This is relevant only in the case of many consecutive inserts, as updates -which make the records bigger might fragment the index. */ +which make the records bigger might fragment the index. +@return number of free bytes on page, reserved for updates */ UNIV_INLINE ulint dict_index_get_space_reserve(void) /*==============================*/ - /* out: number of free bytes on page, - reserved for updates */ { return(UNIV_PAGE_SIZE / 16); } /************************************************************************** -Checks if a table is in the dictionary cache. */ +Checks if a table is in the dictionary cache. +@return table, NULL if not found */ UNIV_INLINE dict_table_t* dict_table_check_if_in_cache_low( /*=============================*/ - /* out: table, NULL if not found */ - const char* table_name) /* in: table name */ + const char* table_name) /*!< in: table name */ { dict_table_t* table; ulint table_fold; @@ -763,13 +748,13 @@ dict_table_check_if_in_cache_low( /************************************************************************** Gets a table; loads it to the dictionary cache if necessary. A low-level -function. */ +function. +@return table, NULL if not found */ UNIV_INLINE dict_table_t* dict_table_get_low( /*===============*/ - /* out: table, NULL if not found */ - const char* table_name) /* in: table name */ + const char* table_name) /*!< in: table name */ { dict_table_t* table; @@ -788,13 +773,13 @@ dict_table_get_low( } /************************************************************************** -Returns a table object based on table id. */ +Returns a table object based on table id. +@return table, NULL if does not exist */ UNIV_INLINE dict_table_t* dict_table_get_on_id_low( /*=====================*/ - /* out: table, NULL if does not exist */ - dulint table_id) /* in: table id */ + dulint table_id) /*!< in: table id */ { dict_table_t* table; ulint fold; diff --git a/include/dict0load.h b/include/dict0load.h index 023261b4732..9e4d61d3d50 100644 --- a/include/dict0load.h +++ b/include/dict0load.h @@ -43,41 +43,35 @@ UNIV_INTERN void dict_check_tablespaces_and_store_max_id( /*====================================*/ - ibool in_crash_recovery); /* in: are we doing a crash recovery */ + ibool in_crash_recovery); /*!< in: are we doing a crash recovery */ /************************************************************************ -Finds the first table name in the given database. */ +Finds the first table name in the given database. +@return own: table name, NULL if does not exist; the caller must free the memory in the string! */ UNIV_INTERN char* dict_get_first_table_name_in_db( /*============================*/ - /* out, own: table name, NULL if - does not exist; the caller must free - the memory in the string! */ - const char* name); /* in: database name which ends to '/' */ + const char* name); /*!< in: database name which ends to '/' */ /************************************************************************ Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads all foreign key constraints where the foreign key is in the table or where -a foreign key references columns in this table. */ +a foreign key references columns in this table. +@return table, NULL if does not exist; if the table is stored in an .ibd file, but the file does not exist, then we set the ibd_file_missing flag TRUE in the table object we return */ UNIV_INTERN dict_table_t* dict_load_table( /*============*/ - /* out: table, NULL if does not exist; - if the table is stored in an .ibd file, - but the file does not exist, - then we set the ibd_file_missing flag TRUE - in the table object we return */ - const char* name); /* in: table name in the + const char* name); /*!< in: table name in the databasename/tablename format */ /*************************************************************************** -Loads a table object based on the table id. */ +Loads a table object based on the table id. +@return table; NULL if table does not exist */ UNIV_INTERN dict_table_t* dict_load_table_on_id( /*==================*/ - /* out: table; NULL if table does not exist */ - dulint table_id); /* in: table id */ + dulint table_id); /*!< in: table id */ /************************************************************************ This function is called when the database is booted. Loads system table index definitions except for the clustered index which @@ -86,20 +80,20 @@ UNIV_INTERN void dict_load_sys_table( /*================*/ - dict_table_t* table); /* in: system table */ + dict_table_t* table); /*!< in: system table */ /*************************************************************************** Loads foreign key constraints where the table is either the foreign key holder or where the table is referenced by a foreign key. Adds these constraints to the data dictionary. Note that we know that the dictionary cache already contains all constraints where the other relevant table is -already in the dictionary cache. */ +already in the dictionary cache. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint dict_load_foreigns( /*===============*/ - /* out: DB_SUCCESS or error code */ - const char* table_name, /* in: table name */ - ibool check_charsets);/* in: TRUE=check charsets + const char* table_name, /*!< in: table name */ + ibool check_charsets);/*!< in: TRUE=check charsets compatibility */ /************************************************************************ Prints to the standard output information on all tables found in the data diff --git a/include/dict0mem.h b/include/dict0mem.h index eaa9edea90a..312511ffbb8 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -86,53 +86,53 @@ combination of types */ #endif /************************************************************************** -Creates a table memory object. */ +Creates a table memory object. +@return own: table object */ UNIV_INTERN dict_table_t* dict_mem_table_create( /*==================*/ - /* out, own: table object */ - const char* name, /* in: table name */ - ulint space, /* in: space where the clustered index + const char* name, /*!< in: table name */ + ulint space, /*!< in: space where the clustered index of the table is placed; this parameter is ignored if the table is made a member of a cluster */ - ulint n_cols, /* in: number of columns */ - ulint flags); /* in: table flags */ + ulint n_cols, /*!< in: number of columns */ + ulint flags); /*!< in: table flags */ /******************************************************************** Free a table memory object. */ UNIV_INTERN void dict_mem_table_free( /*================*/ - dict_table_t* table); /* in: table */ + dict_table_t* table); /*!< in: table */ /************************************************************************** Adds a column definition to a table. */ UNIV_INTERN void dict_mem_table_add_col( /*===================*/ - dict_table_t* table, /* in: table */ - mem_heap_t* heap, /* in: temporary memory heap, or NULL */ - const char* name, /* in: column name, or NULL */ - ulint mtype, /* in: main datatype */ - ulint prtype, /* in: precise type */ - ulint len); /* in: precision */ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ + const char* name, /*!< in: column name, or NULL */ + ulint mtype, /*!< in: main datatype */ + ulint prtype, /*!< in: precise type */ + ulint len); /*!< in: precision */ /************************************************************************** -Creates an index memory object. */ +Creates an index memory object. +@return own: index object */ UNIV_INTERN dict_index_t* dict_mem_index_create( /*==================*/ - /* out, own: index object */ - const char* table_name, /* in: table name */ - const char* index_name, /* in: index name */ - ulint space, /* in: space where the index tree is + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is placed, ignored if the index is of the clustered type */ - ulint type, /* in: DICT_UNIQUE, + ulint type, /*!< in: DICT_UNIQUE, DICT_CLUSTERED, ... ORed */ - ulint n_fields); /* in: number of fields */ + ulint n_fields); /*!< in: number of fields */ /************************************************************************** Adds a field definition to an index. NOTE: does not take a copy of the column name if the field is a column. The memory occupied @@ -141,9 +141,9 @@ UNIV_INTERN void dict_mem_index_add_field( /*=====================*/ - dict_index_t* index, /* in: index */ - const char* name, /* in: column name */ - ulint prefix_len); /* in: 0 or the column prefix length + dict_index_t* index, /*!< in: index */ + const char* name, /*!< in: column name */ + ulint prefix_len); /*!< in: 0 or the column prefix length in a MySQL index like INDEX (textcol(25)) */ /************************************************************************** @@ -152,14 +152,14 @@ UNIV_INTERN void dict_mem_index_free( /*================*/ - dict_index_t* index); /* in: index */ + dict_index_t* index); /*!< in: index */ /************************************************************************** -Creates and initializes a foreign constraint memory object. */ +Creates and initializes a foreign constraint memory object. +@return own: foreign constraint struct */ UNIV_INTERN dict_foreign_t* dict_mem_foreign_create(void); /*=========================*/ - /* out, own: foreign constraint struct */ /* Data structure for a column in a table */ struct dict_col_struct{ diff --git a/include/dyn0dyn.h b/include/dyn0dyn.h index c06d6b88d2f..7645119cb4e 100644 --- a/include/dyn0dyn.h +++ b/include/dyn0dyn.h @@ -38,13 +38,13 @@ this must be > MLOG_BUF_MARGIN + 30! */ #define DYN_ARRAY_DATA_SIZE 512 /************************************************************************* -Initializes a dynamic array. */ +Initializes a dynamic array. +@return initialized dyn array */ UNIV_INLINE dyn_array_t* dyn_array_create( /*=============*/ - /* out: initialized dyn array */ - dyn_array_t* arr); /* in: pointer to a memory buffer of + dyn_array_t* arr); /*!< in: pointer to a memory buffer of size sizeof(dyn_array_t) */ /**************************************************************** Frees a dynamic array. */ @@ -52,18 +52,18 @@ UNIV_INLINE void dyn_array_free( /*===========*/ - dyn_array_t* arr); /* in: dyn array */ + dyn_array_t* arr); /*!< in: dyn array */ /************************************************************************* Makes room on top of a dyn array and returns a pointer to a buffer in it. After copying the elements, the caller must close the buffer using -dyn_array_close. */ +dyn_array_close. +@return pointer to the buffer */ UNIV_INLINE byte* dyn_array_open( /*===========*/ - /* out: pointer to the buffer */ - dyn_array_t* arr, /* in: dynamic array */ - ulint size); /* in: size in bytes of the buffer; MUST be + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size); /*!< in: size in bytes of the buffer; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ /************************************************************************* Closes the buffer returned by dyn_array_open. */ @@ -71,85 +71,85 @@ UNIV_INLINE void dyn_array_close( /*============*/ - dyn_array_t* arr, /* in: dynamic array */ - byte* ptr); /* in: buffer space from ptr up was not used */ + dyn_array_t* arr, /*!< in: dynamic array */ + byte* ptr); /*!< in: buffer space from ptr up was not used */ /************************************************************************* Makes room on top of a dyn array and returns a pointer to the added element. The caller must copy the element to -the pointer returned. */ +the pointer returned. +@return pointer to the element */ UNIV_INLINE void* dyn_array_push( /*===========*/ - /* out: pointer to the element */ - dyn_array_t* arr, /* in: dynamic array */ - ulint size); /* in: size in bytes of the element */ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size); /*!< in: size in bytes of the element */ /**************************************************************** -Returns pointer to an element in dyn array. */ +Returns pointer to an element in dyn array. +@return pointer to element */ UNIV_INLINE void* dyn_array_get_element( /*==================*/ - /* out: pointer to element */ - dyn_array_t* arr, /* in: dyn array */ - ulint pos); /* in: position of element as bytes + dyn_array_t* arr, /*!< in: dyn array */ + ulint pos); /*!< in: position of element as bytes from array start */ /**************************************************************** -Returns the size of stored data in a dyn array. */ +Returns the size of stored data in a dyn array. +@return data size in bytes */ UNIV_INLINE ulint dyn_array_get_data_size( /*====================*/ - /* out: data size in bytes */ - dyn_array_t* arr); /* in: dyn array */ + dyn_array_t* arr); /*!< in: dyn array */ /**************************************************************** Gets the first block in a dyn array. */ UNIV_INLINE dyn_block_t* dyn_array_get_first_block( /*======================*/ - dyn_array_t* arr); /* in: dyn array */ + dyn_array_t* arr); /*!< in: dyn array */ /**************************************************************** Gets the last block in a dyn array. */ UNIV_INLINE dyn_block_t* dyn_array_get_last_block( /*=====================*/ - dyn_array_t* arr); /* in: dyn array */ + dyn_array_t* arr); /*!< in: dyn array */ /************************************************************************ -Gets the next block in a dyn array. */ +Gets the next block in a dyn array. +@return pointer to next, NULL if end of list */ UNIV_INLINE dyn_block_t* dyn_array_get_next_block( /*=====================*/ - /* out: pointer to next, NULL if end of list */ - dyn_array_t* arr, /* in: dyn array */ - dyn_block_t* block); /* in: dyn array block */ + dyn_array_t* arr, /*!< in: dyn array */ + dyn_block_t* block); /*!< in: dyn array block */ /************************************************************************ -Gets the number of used bytes in a dyn array block. */ +Gets the number of used bytes in a dyn array block. +@return number of bytes used */ UNIV_INLINE ulint dyn_block_get_used( /*===============*/ - /* out: number of bytes used */ - dyn_block_t* block); /* in: dyn array block */ + dyn_block_t* block); /*!< in: dyn array block */ /************************************************************************ -Gets pointer to the start of data in a dyn array block. */ +Gets pointer to the start of data in a dyn array block. +@return pointer to data */ UNIV_INLINE byte* dyn_block_get_data( /*===============*/ - /* out: pointer to data */ - dyn_block_t* block); /* in: dyn array block */ + dyn_block_t* block); /*!< in: dyn array block */ /************************************************************ Pushes n bytes to a dyn array. */ UNIV_INLINE void dyn_push_string( /*============*/ - dyn_array_t* arr, /* in: dyn array */ - const byte* str, /* in: string to write */ - ulint len); /* in: string length */ + dyn_array_t* arr, /*!< in: dyn array */ + const byte* str, /*!< in: string to write */ + ulint len); /*!< in: string length */ /*#################################################################*/ diff --git a/include/dyn0dyn.ic b/include/dyn0dyn.ic index 1ef8b284a99..e13054180ff 100644 --- a/include/dyn0dyn.ic +++ b/include/dyn0dyn.ic @@ -26,13 +26,13 @@ Created 2/5/1996 Heikki Tuuri #define DYN_BLOCK_FULL_FLAG 0x1000000UL /**************************************************************** -Adds a new block to a dyn array. */ +Adds a new block to a dyn array. +@return created block */ UNIV_INTERN dyn_block_t* dyn_array_add_block( /*================*/ - /* out: created block */ - dyn_array_t* arr); /* in: dyn array */ + dyn_array_t* arr); /*!< in: dyn array */ /**************************************************************** @@ -41,7 +41,7 @@ UNIV_INLINE dyn_block_t* dyn_array_get_first_block( /*======================*/ - dyn_array_t* arr) /* in: dyn array */ + dyn_array_t* arr) /*!< in: dyn array */ { return(arr); } @@ -52,7 +52,7 @@ UNIV_INLINE dyn_block_t* dyn_array_get_last_block( /*=====================*/ - dyn_array_t* arr) /* in: dyn array */ + dyn_array_t* arr) /*!< in: dyn array */ { if (arr->heap == NULL) { @@ -63,14 +63,14 @@ dyn_array_get_last_block( } /************************************************************************ -Gets the next block in a dyn array. */ +Gets the next block in a dyn array. +@return pointer to next, NULL if end of list */ UNIV_INLINE dyn_block_t* dyn_array_get_next_block( /*=====================*/ - /* out: pointer to next, NULL if end of list */ - dyn_array_t* arr, /* in: dyn array */ - dyn_block_t* block) /* in: dyn array block */ + dyn_array_t* arr, /*!< in: dyn array */ + dyn_block_t* block) /*!< in: dyn array block */ { ut_ad(arr && block); @@ -84,13 +84,13 @@ dyn_array_get_next_block( } /************************************************************************ -Gets the number of used bytes in a dyn array block. */ +Gets the number of used bytes in a dyn array block. +@return number of bytes used */ UNIV_INLINE ulint dyn_block_get_used( /*===============*/ - /* out: number of bytes used */ - dyn_block_t* block) /* in: dyn array block */ + dyn_block_t* block) /*!< in: dyn array block */ { ut_ad(block); @@ -98,13 +98,13 @@ dyn_block_get_used( } /************************************************************************ -Gets pointer to the start of data in a dyn array block. */ +Gets pointer to the start of data in a dyn array block. +@return pointer to data */ UNIV_INLINE byte* dyn_block_get_data( /*===============*/ - /* out: pointer to data */ - dyn_block_t* block) /* in: dyn array block */ + dyn_block_t* block) /*!< in: dyn array block */ { ut_ad(block); @@ -112,13 +112,13 @@ dyn_block_get_data( } /************************************************************************* -Initializes a dynamic array. */ +Initializes a dynamic array. +@return initialized dyn array */ UNIV_INLINE dyn_array_t* dyn_array_create( /*=============*/ - /* out: initialized dyn array */ - dyn_array_t* arr) /* in: pointer to a memory buffer of + dyn_array_t* arr) /*!< in: pointer to a memory buffer of size sizeof(dyn_array_t) */ { ut_ad(arr); @@ -142,7 +142,7 @@ UNIV_INLINE void dyn_array_free( /*===========*/ - dyn_array_t* arr) /* in: dyn array */ + dyn_array_t* arr) /*!< in: dyn array */ { if (arr->heap != NULL) { mem_heap_free(arr->heap); @@ -155,14 +155,14 @@ dyn_array_free( /************************************************************************* Makes room on top of a dyn array and returns a pointer to the added element. -The caller must copy the element to the pointer returned. */ +The caller must copy the element to the pointer returned. +@return pointer to the element */ UNIV_INLINE void* dyn_array_push( /*===========*/ - /* out: pointer to the element */ - dyn_array_t* arr, /* in: dynamic array */ - ulint size) /* in: size in bytes of the element */ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size) /*!< in: size in bytes of the element */ { dyn_block_t* block; ulint used; @@ -196,14 +196,14 @@ dyn_array_push( /************************************************************************* Makes room on top of a dyn array and returns a pointer to a buffer in it. After copying the elements, the caller must close the buffer using -dyn_array_close. */ +dyn_array_close. +@return pointer to the buffer */ UNIV_INLINE byte* dyn_array_open( /*===========*/ - /* out: pointer to the buffer */ - dyn_array_t* arr, /* in: dynamic array */ - ulint size) /* in: size in bytes of the buffer; MUST be + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size) /*!< in: size in bytes of the buffer; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ { dyn_block_t* block; @@ -245,8 +245,8 @@ UNIV_INLINE void dyn_array_close( /*============*/ - dyn_array_t* arr, /* in: dynamic array */ - byte* ptr) /* in: buffer space from ptr up was not used */ + dyn_array_t* arr, /*!< in: dynamic array */ + byte* ptr) /*!< in: buffer space from ptr up was not used */ { dyn_block_t* block; @@ -267,14 +267,14 @@ dyn_array_close( } /**************************************************************** -Returns pointer to an element in dyn array. */ +Returns pointer to an element in dyn array. +@return pointer to element */ UNIV_INLINE void* dyn_array_get_element( /*==================*/ - /* out: pointer to element */ - dyn_array_t* arr, /* in: dyn array */ - ulint pos) /* in: position of element as bytes + dyn_array_t* arr, /*!< in: dyn array */ + ulint pos) /*!< in: position of element as bytes from array start */ { dyn_block_t* block; @@ -305,13 +305,13 @@ dyn_array_get_element( } /**************************************************************** -Returns the size of stored data in a dyn array. */ +Returns the size of stored data in a dyn array. +@return data size in bytes */ UNIV_INLINE ulint dyn_array_get_data_size( /*====================*/ - /* out: data size in bytes */ - dyn_array_t* arr) /* in: dyn array */ + dyn_array_t* arr) /*!< in: dyn array */ { dyn_block_t* block; ulint sum = 0; @@ -341,9 +341,9 @@ UNIV_INLINE void dyn_push_string( /*============*/ - dyn_array_t* arr, /* in: dyn array */ - const byte* str, /* in: string to write */ - ulint len) /* in: string length */ + dyn_array_t* arr, /*!< in: dyn array */ + const byte* str, /*!< in: string to write */ + ulint len) /*!< in: string length */ { ulint n_copied; diff --git a/include/eval0eval.h b/include/eval0eval.h index 75cf9b38c3a..89d235e051f 100644 --- a/include/eval0eval.h +++ b/include/eval0eval.h @@ -39,37 +39,37 @@ UNIV_INTERN void eval_node_free_val_buf( /*===================*/ - que_node_t* node); /* in: query graph node */ + que_node_t* node); /*!< in: query graph node */ /********************************************************************* Evaluates a symbol table symbol. */ UNIV_INLINE void eval_sym( /*=====*/ - sym_node_t* sym_node); /* in: symbol table node */ + sym_node_t* sym_node); /*!< in: symbol table node */ /********************************************************************* Evaluates an expression. */ UNIV_INLINE void eval_exp( /*=====*/ - que_node_t* exp_node); /* in: expression */ + que_node_t* exp_node); /*!< in: expression */ /********************************************************************* Sets an integer value as the value of an expression node. */ UNIV_INLINE void eval_node_set_int_val( /*==================*/ - que_node_t* node, /* in: expression node */ - lint val); /* in: value to set */ + que_node_t* node, /*!< in: expression node */ + lint val); /*!< in: value to set */ /********************************************************************* -Gets an integer value from an expression node. */ +Gets an integer value from an expression node. +@return integer value */ UNIV_INLINE lint eval_node_get_int_val( /*==================*/ - /* out: integer value */ - que_node_t* node); /* in: expression node */ + que_node_t* node); /*!< in: expression node */ /********************************************************************* Copies a binary string value as the value of a query graph node. Allocates a new buffer if necessary. */ @@ -77,33 +77,33 @@ UNIV_INLINE void eval_node_copy_and_alloc_val( /*=========================*/ - que_node_t* node, /* in: query graph node */ - const byte* str, /* in: binary string */ - ulint len); /* in: string length or UNIV_SQL_NULL */ + que_node_t* node, /*!< in: query graph node */ + const byte* str, /*!< in: binary string */ + ulint len); /*!< in: string length or UNIV_SQL_NULL */ /********************************************************************* Copies a query node value to another node. */ UNIV_INLINE void eval_node_copy_val( /*===============*/ - que_node_t* node1, /* in: node to copy to */ - que_node_t* node2); /* in: node to copy from */ + que_node_t* node1, /*!< in: node to copy to */ + que_node_t* node2); /*!< in: node to copy from */ /********************************************************************* -Gets a iboolean value from a query node. */ +Gets a iboolean value from a query node. +@return iboolean value */ UNIV_INLINE ibool eval_node_get_ibool_val( /*====================*/ - /* out: iboolean value */ - que_node_t* node); /* in: query graph node */ + que_node_t* node); /*!< in: query graph node */ /********************************************************************* -Evaluates a comparison node. */ +Evaluates a comparison node. +@return the result of the comparison */ UNIV_INTERN ibool eval_cmp( /*=====*/ - /* out: the result of the comparison */ - func_node_t* cmp_node); /* in: comparison node */ + func_node_t* cmp_node); /*!< in: comparison node */ #ifndef UNIV_NONINL diff --git a/include/eval0eval.ic b/include/eval0eval.ic index a6330ae441f..f5ad5042710 100644 --- a/include/eval0eval.ic +++ b/include/eval0eval.ic @@ -33,35 +33,35 @@ UNIV_INTERN void eval_func( /*======*/ - func_node_t* func_node); /* in: function node */ + func_node_t* func_node); /*!< in: function node */ /********************************************************************* Allocate a buffer from global dynamic memory for a value of a que_node. NOTE that this memory must be explicitly freed when the query graph is freed. If the node already has allocated buffer, that buffer is freed here. NOTE that this is the only function where dynamic memory should be -allocated for a query node val field. */ +allocated for a query node val field. +@return pointer to allocated buffer */ UNIV_INTERN byte* eval_node_alloc_val_buf( /*====================*/ - /* out: pointer to allocated buffer */ - que_node_t* node, /* in: query graph node; sets the val field + que_node_t* node, /*!< in: query graph node; sets the val field data field to point to the new buffer, and len field equal to size */ - ulint size); /* in: buffer size */ + ulint size); /*!< in: buffer size */ /********************************************************************* -Allocates a new buffer if needed. */ +Allocates a new buffer if needed. +@return pointer to buffer */ UNIV_INLINE byte* eval_node_ensure_val_buf( /*=====================*/ - /* out: pointer to buffer */ - que_node_t* node, /* in: query graph node; sets the val field + que_node_t* node, /*!< in: query graph node; sets the val field data field to point to the new buffer, and len field equal to size */ - ulint size) /* in: buffer size */ + ulint size) /*!< in: buffer size */ { dfield_t* dfield; byte* data; @@ -85,7 +85,7 @@ UNIV_INLINE void eval_sym( /*=====*/ - sym_node_t* sym_node) /* in: symbol table node */ + sym_node_t* sym_node) /*!< in: symbol table node */ { ut_ad(que_node_get_type(sym_node) == QUE_NODE_SYMBOL); @@ -105,7 +105,7 @@ UNIV_INLINE void eval_exp( /*=====*/ - que_node_t* exp_node) /* in: expression */ + que_node_t* exp_node) /*!< in: expression */ { if (que_node_get_type(exp_node) == QUE_NODE_SYMBOL) { @@ -123,8 +123,8 @@ UNIV_INLINE void eval_node_set_int_val( /*==================*/ - que_node_t* node, /* in: expression node */ - lint val) /* in: value to set */ + que_node_t* node, /*!< in: expression node */ + lint val) /*!< in: value to set */ { dfield_t* dfield; byte* data; @@ -143,13 +143,13 @@ eval_node_set_int_val( } /********************************************************************* -Gets an integer non-SQL null value from an expression node. */ +Gets an integer non-SQL null value from an expression node. +@return integer value */ UNIV_INLINE lint eval_node_get_int_val( /*==================*/ - /* out: integer value */ - que_node_t* node) /* in: expression node */ + que_node_t* node) /*!< in: expression node */ { dfield_t* dfield; @@ -161,13 +161,13 @@ eval_node_get_int_val( } /********************************************************************* -Gets a iboolean value from a query node. */ +Gets a iboolean value from a query node. +@return iboolean value */ UNIV_INLINE ibool eval_node_get_ibool_val( /*====================*/ - /* out: iboolean value */ - que_node_t* node) /* in: query graph node */ + que_node_t* node) /*!< in: query graph node */ { dfield_t* dfield; byte* data; @@ -187,8 +187,8 @@ UNIV_INLINE void eval_node_set_ibool_val( /*====================*/ - func_node_t* func_node, /* in: function node */ - ibool val) /* in: value to set */ + func_node_t* func_node, /*!< in: function node */ + ibool val) /*!< in: value to set */ { dfield_t* dfield; byte* data; @@ -215,9 +215,9 @@ UNIV_INLINE void eval_node_copy_and_alloc_val( /*=========================*/ - que_node_t* node, /* in: query graph node */ - const byte* str, /* in: binary string */ - ulint len) /* in: string length or UNIV_SQL_NULL */ + que_node_t* node, /*!< in: query graph node */ + const byte* str, /*!< in: binary string */ + ulint len) /*!< in: string length or UNIV_SQL_NULL */ { byte* data; @@ -238,8 +238,8 @@ UNIV_INLINE void eval_node_copy_val( /*===============*/ - que_node_t* node1, /* in: node to copy to */ - que_node_t* node2) /* in: node to copy from */ + que_node_t* node1, /*!< in: node to copy to */ + que_node_t* node2) /*!< in: node to copy from */ { dfield_t* dfield2; diff --git a/include/eval0proc.h b/include/eval0proc.h index 58937c18124..0a8f3b47a58 100644 --- a/include/eval0proc.h +++ b/include/eval0proc.h @@ -31,69 +31,69 @@ Created 1/20/1998 Heikki Tuuri #include "pars0pars.h" /************************************************************************** -Performs an execution step of a procedure node. */ +Performs an execution step of a procedure node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* proc_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of an if-statement node. */ +Performs an execution step of an if-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* if_step( /*====*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of a while-statement node. */ +Performs an execution step of a while-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* while_step( /*=======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of a for-loop node. */ +Performs an execution step of a for-loop node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* for_step( /*=====*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of an assignment statement node. */ +Performs an execution step of an assignment statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* assign_step( /*========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of a procedure call node. */ +Performs an execution step of a procedure call node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* proc_eval_step( /*===========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of an exit statement node. */ +Performs an execution step of an exit statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* exit_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of a return-statement node. */ +Performs an execution step of a return-statement node. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* return_step( /*========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ #ifndef UNIV_NONINL diff --git a/include/eval0proc.ic b/include/eval0proc.ic index 6bd978ad3fc..8ca805678ea 100644 --- a/include/eval0proc.ic +++ b/include/eval0proc.ic @@ -27,13 +27,13 @@ Created 1/20/1998 Heikki Tuuri #include "eval0eval.h" /************************************************************************** -Performs an execution step of a procedure node. */ +Performs an execution step of a procedure node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* proc_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { proc_node_t* node; @@ -62,13 +62,13 @@ proc_step( } /************************************************************************** -Performs an execution step of a procedure call node. */ +Performs an execution step of a procedure call node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* proc_eval_step( /*===========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { func_node_t* node; diff --git a/include/fil0fil.h b/include/fil0fil.h index adc49afddaf..db7f9ae587f 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -149,32 +149,31 @@ extern ulint fil_n_pending_tablespace_flushes; #ifndef UNIV_HOTBACKUP /*********************************************************************** -Returns the version number of a tablespace, -1 if not found. */ +Returns the version number of a tablespace, -1 if not found. +@return version number, -1 if the tablespace does not exist in the memory cache */ UNIV_INTERN ib_int64_t fil_space_get_version( /*==================*/ - /* out: version number, -1 if the tablespace does not - exist in the memory cache */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** -Returns the latch of a file space. */ +Returns the latch of a file space. +@return latch protecting storage allocation */ UNIV_INTERN rw_lock_t* fil_space_get_latch( /*================*/ - /* out: latch protecting storage allocation */ - ulint id, /* in: space id */ - ulint* zip_size);/* out: compressed page size, or + ulint id, /*!< in: space id */ + ulint* zip_size);/*!< out: compressed page size, or 0 for uncompressed tablespaces */ /*********************************************************************** -Returns the type of a file space. */ +Returns the type of a file space. +@return FIL_TABLESPACE or FIL_LOG */ UNIV_INTERN ulint fil_space_get_type( /*===============*/ - /* out: FIL_TABLESPACE or FIL_LOG */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Appends a new file to the chain of files of a space. File must be closed. */ @@ -182,11 +181,11 @@ UNIV_INTERN void fil_node_create( /*============*/ - const char* name, /* in: file name (file must be closed) */ - ulint size, /* in: file size in database blocks, rounded + const char* name, /*!< in: file name (file must be closed) */ + ulint size, /*!< in: file size in database blocks, rounded downwards to an integer */ - ulint id, /* in: space id where to append */ - ibool is_raw);/* in: TRUE if a raw device or + ulint id, /*!< in: space id where to append */ + ibool is_raw);/*!< in: TRUE if a raw device or a raw disk partition */ #ifdef UNIV_LOG_ARCHIVE /******************************************************************** @@ -196,79 +195,78 @@ UNIV_INTERN void fil_space_truncate_start( /*=====================*/ - ulint id, /* in: space id */ - ulint trunc_len); /* in: truncate by this much; it is an error + ulint id, /*!< in: space id */ + ulint trunc_len); /*!< in: truncate by this much; it is an error if this does not equal to the combined size of some initial files in the space */ #endif /* UNIV_LOG_ARCHIVE */ /*********************************************************************** Creates a space memory object and puts it to the 'fil system' hash table. If -there is an error, prints an error message to the .err log. */ +there is an error, prints an error message to the .err log. +@return TRUE if success */ UNIV_INTERN ibool fil_space_create( /*=============*/ - /* out: TRUE if success */ - const char* name, /* in: space name */ - ulint id, /* in: space id */ - ulint zip_size,/* in: compressed page size, or + const char* name, /*!< in: space name */ + ulint id, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 for uncompressed tablespaces */ - ulint purpose);/* in: FIL_TABLESPACE, or FIL_LOG if log */ + ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ /*********************************************************************** Frees a space object from a the tablespace memory cache. Closes the files in -the chain but does not delete them. */ +the chain but does not delete them. +@return TRUE if success */ UNIV_INTERN ibool fil_space_free( /*===========*/ - /* out: TRUE if success */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** Returns the size of the space in pages. The tablespace must be cached in the -memory cache. */ +memory cache. +@return space size, 0 if space not found */ UNIV_INTERN ulint fil_space_get_size( /*===============*/ - /* out: space size, 0 if space not found */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** Returns the flags of the space. The tablespace must be cached -in the memory cache. */ +in the memory cache. +@return flags, ULINT_UNDEFINED if space not found */ UNIV_INTERN ulint fil_space_get_flags( /*================*/ - /* out: flags, ULINT_UNDEFINED if space not found */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** Returns the compressed page size of the space, or 0 if the space -is not compressed. The tablespace must be cached in the memory cache. */ +is not compressed. The tablespace must be cached in the memory cache. +@return compressed page size, ULINT_UNDEFINED if space not found */ UNIV_INTERN ulint fil_space_get_zip_size( /*===================*/ - /* out: compressed page size, ULINT_UNDEFINED - if space not found */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** Checks if the pair space, page_no refers to an existing page in a tablespace -file space. The tablespace must be cached in the memory cache. */ +file space. The tablespace must be cached in the memory cache. +@return TRUE if the address is meaningful */ UNIV_INTERN ibool fil_check_adress_in_tablespace( /*===========================*/ - /* out: TRUE if the address is meaningful */ - ulint id, /* in: space id */ - ulint page_no);/* in: page number */ + ulint id, /*!< in: space id */ + ulint page_no);/*!< in: page number */ /******************************************************************** Initializes the tablespace memory cache. */ UNIV_INTERN void fil_init( /*=====*/ - ulint hash_size, /* in: hash table size */ - ulint max_n_open); /* in: max number of open files */ + ulint hash_size, /*!< in: hash table size */ + ulint max_n_open); /*!< in: max number of open files */ /*********************************************************************** Opens all log files and system tablespace data files. They stay open until the database server shutdown. This should be called at a server startup after the @@ -293,18 +291,18 @@ UNIV_INTERN void fil_set_max_space_id_if_bigger( /*===========================*/ - ulint max_id);/* in: maximum known id */ + ulint max_id);/*!< in: maximum known id */ #ifndef UNIV_HOTBACKUP /******************************************************************** Writes the flushed lsn and the latest archived log number to the page -header of the first page of each data file in the system tablespace. */ +header of the first page of each data file in the system tablespace. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint fil_write_flushed_lsn_to_data_files( /*================================*/ - /* out: DB_SUCCESS or error number */ - ib_uint64_t lsn, /* in: lsn to write */ - ulint arch_log_no); /* in: latest archived log + ib_uint64_t lsn, /*!< in: lsn to write */ + ulint arch_log_no); /*!< in: latest archived log file number */ /*********************************************************************** Reads the flushed lsn and arch no fields from a data file at database @@ -313,33 +311,32 @@ UNIV_INTERN void fil_read_flushed_lsn_and_arch_log_no( /*=================================*/ - os_file_t data_file, /* in: open data file */ - ibool one_read_already, /* in: TRUE if min and max + os_file_t data_file, /*!< in: open data file */ + ibool one_read_already, /*!< in: TRUE if min and max parameters below already contain sensible data */ #ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no, /* in/out: */ - ulint* max_arch_log_no, /* in/out: */ + ulint* min_arch_log_no, /*!< in/out: */ + ulint* max_arch_log_no, /*!< in/out: */ #endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn, /* in/out: */ - ib_uint64_t* max_flushed_lsn); /* in/out: */ + ib_uint64_t* min_flushed_lsn, /*!< in/out: */ + ib_uint64_t* max_flushed_lsn); /*!< in/out: */ /*********************************************************************** Increments the count of pending insert buffer page merges, if space is not -being deleted. */ +being deleted. +@return TRUE if being deleted, and ibuf merges should be skipped */ UNIV_INTERN ibool fil_inc_pending_ibuf_merges( /*========================*/ - /* out: TRUE if being deleted, and ibuf merges should - be skipped */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /*********************************************************************** Decrements the count of pending insert buffer page merges. */ UNIV_INTERN void fil_decr_pending_ibuf_merges( /*=========================*/ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Parses the body of a log record written about an .ibd file operation. That is, @@ -352,33 +349,31 @@ at that path does not exist yet. If the database directory for the file to be created does not exist, then we create the directory, too. Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the -datadir that we should use in replaying the file operations. */ +datadir that we should use in replaying the file operations. +@return end of log record, or NULL if the record was not completely contained between ptr and end_ptr */ UNIV_INTERN byte* fil_op_log_parse_or_replay( /*=======================*/ - /* out: end of log record, or NULL if the - record was not completely contained between - ptr and end_ptr */ - byte* ptr, /* in: buffer containing the log record body, + byte* ptr, /*!< in: buffer containing the log record body, or an initial segment of it, if the record does not fir completely between ptr and end_ptr */ - byte* end_ptr, /* in: buffer end */ - ulint type, /* in: the type of this log record */ - ulint space_id, /* in: the space id of the tablespace in + byte* end_ptr, /*!< in: buffer end */ + ulint type, /*!< in: the type of this log record */ + ulint space_id, /*!< in: the space id of the tablespace in question, or 0 if the log record should only be parsed but not replayed */ - ulint log_flags); /* in: redo log flags + ulint log_flags); /*!< in: redo log flags (stored in the page number parameter) */ /*********************************************************************** Deletes a single-table tablespace. The tablespace must be cached in the -memory cache. */ +memory cache. +@return TRUE if success */ UNIV_INTERN ibool fil_delete_tablespace( /*==================*/ - /* out: TRUE if success */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ #ifndef UNIV_HOTBACKUP /*********************************************************************** Discards a single-table tablespace. The tablespace must be cached in the @@ -387,28 +382,28 @@ memory cache. Discarding is like deleting a tablespace, but 2) we remove all insert buffer entries for the tablespace immediately; in DROP TABLE they are only removed gradually in the background; 3) when the user does IMPORT TABLESPACE, the tablespace will have the same id -as it originally had. */ +as it originally had. +@return TRUE if success */ UNIV_INTERN ibool fil_discard_tablespace( /*===================*/ - /* out: TRUE if success */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** Renames a single-table tablespace. The tablespace must be cached in the -tablespace memory cache. */ +tablespace memory cache. +@return TRUE if success */ UNIV_INTERN ibool fil_rename_tablespace( /*==================*/ - /* out: TRUE if success */ - const char* old_name, /* in: old table name in the standard + const char* old_name, /*!< in: old table name in the standard databasename/tablename format of InnoDB, or NULL if we do the rename based on the space id only */ - ulint id, /* in: space id */ - const char* new_name); /* in: new table name in the standard + ulint id, /*!< in: space id */ + const char* new_name); /*!< in: new table name in the standard databasename/tablename format of InnoDB */ @@ -417,23 +412,23 @@ Creates a new single-table tablespace to a database directory of MySQL. Database directories are under the 'datadir' of MySQL. The datadir is the directory of a running mysqld program. We can refer to it by simply the path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp -dir of the mysqld server. */ +dir of the mysqld server. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint fil_create_new_single_table_tablespace( /*===================================*/ - /* out: DB_SUCCESS or error code */ - ulint* space_id, /* in/out: space id; if this is != 0, + ulint* space_id, /*!< in/out: space id; if this is != 0, then this is an input parameter, otherwise output */ - const char* tablename, /* in: the table name in the usual + const char* tablename, /*!< in: the table name in the usual databasename/tablename format of InnoDB, or a dir path to a temp table */ - ibool is_temp, /* in: TRUE if a table created with + ibool is_temp, /*!< in: TRUE if a table created with CREATE TEMPORARY TABLE */ - ulint flags, /* in: tablespace flags */ - ulint size); /* in: the initial size of the + ulint flags, /*!< in: tablespace flags */ + ulint size); /*!< in: the initial size of the tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ #ifndef UNIV_HOTBACKUP @@ -445,22 +440,22 @@ IMPORT TABLESPACE. NOTE that we assume this operation is used either at the database startup or under the protection of the dictionary mutex, so that two users cannot race here. This operation does not leave the file associated with the -tablespace open, but closes it after we have looked at the space id in it. */ +tablespace open, but closes it after we have looked at the space id in it. +@return TRUE if success */ UNIV_INTERN ibool fil_open_single_table_tablespace( /*=============================*/ - /* out: TRUE if success */ - ibool check_space_id, /* in: should we check that the space + ibool check_space_id, /*!< in: should we check that the space id in the file is right; we assume that this function runs much faster if no check is made, since accessing the file inode probably is much faster (the OS caches them) than accessing the first page of the file */ - ulint id, /* in: space id */ - ulint flags, /* in: tablespace flags */ - const char* name); /* in: table name in the + ulint id, /*!< in: space id */ + ulint flags, /*!< in: tablespace flags */ + const char* name); /*!< in: table name in the databasename/tablename format */ /************************************************************************ It is possible, though very improbable, that the lsn's in the tablespace to be @@ -470,15 +465,15 @@ the case, reset page lsn's in the file. We assume that mysqld was shut down after it performed these cleanup operations on the .ibd file, so that it at the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the first page of the .ibd file, and we can determine whether we need to reset the -lsn's just by looking at that flush lsn. */ +lsn's just by looking at that flush lsn. +@return TRUE if success */ UNIV_INTERN ibool fil_reset_too_high_lsns( /*====================*/ - /* out: TRUE if success */ - const char* name, /* in: table name in the + const char* name, /*!< in: table name in the databasename/tablename format */ - ib_uint64_t current_lsn); /* in: reset lsn's if the lsn stamped + ib_uint64_t current_lsn); /*!< in: reset lsn's if the lsn stamped to FIL_PAGE_FILE_FLUSH_LSN in the first page is too high */ #endif /* !UNIV_HOTBACKUP */ @@ -488,12 +483,12 @@ directories under the MySQL datadir, looking for .ibd files. Those files are single-table tablespaces. We need to know the space id in each of them so that we know into which file we should look to check the contents of a page stored in the doublewrite buffer, also to know where to apply log records where the -space id is != 0. */ +space id is != 0. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint fil_load_single_table_tablespaces(void); /*===================================*/ - /* out: DB_SUCCESS or error number */ /************************************************************************ If we need crash recovery, and we have called fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), @@ -506,50 +501,48 @@ fil_print_orphaned_tablespaces(void); /*================================*/ /*********************************************************************** Returns TRUE if a single-table tablespace does not exist in the memory cache, -or is being deleted there. */ +or is being deleted there. +@return TRUE if does not exist or is being\ deleted */ UNIV_INTERN ibool fil_tablespace_deleted_or_being_deleted_in_mem( /*===========================================*/ - /* out: TRUE if does not exist or is being\ - deleted */ - ulint id, /* in: space id */ - ib_int64_t version);/* in: tablespace_version should be this; if + ulint id, /*!< in: space id */ + ib_int64_t version);/*!< in: tablespace_version should be this; if you pass -1 as the value of this, then this parameter is ignored */ /*********************************************************************** -Returns TRUE if a single-table tablespace exists in the memory cache. */ +Returns TRUE if a single-table tablespace exists in the memory cache. +@return TRUE if exists */ UNIV_INTERN ibool fil_tablespace_exists_in_mem( /*=========================*/ - /* out: TRUE if exists */ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ #ifndef UNIV_HOTBACKUP /*********************************************************************** Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory cache. Note that if we have not done a crash recovery at the database startup, -there may be many tablespaces which are not yet in the memory cache. */ +there may be many tablespaces which are not yet in the memory cache. +@return TRUE if a matching tablespace exists in the memory cache */ UNIV_INTERN ibool fil_space_for_table_exists_in_mem( /*==============================*/ - /* out: TRUE if a matching tablespace - exists in the memory cache */ - ulint id, /* in: space id */ - const char* name, /* in: table name in the standard + ulint id, /*!< in: space id */ + const char* name, /*!< in: table name in the standard 'databasename/tablename' format or the dir path to a temp table */ - ibool is_temp, /* in: TRUE if created with CREATE + ibool is_temp, /*!< in: TRUE if created with CREATE TEMPORARY TABLE */ - ibool mark_space, /* in: in crash recovery, at database + ibool mark_space, /*!< in: in crash recovery, at database startup we mark all spaces which have an associated table in the InnoDB data dictionary, so that we can print a warning about orphaned tablespaces */ ibool print_error_if_does_not_exist); - /* in: print detailed error + /*!< in: print detailed error information to the .err log if a matching tablespace is not found from memory */ @@ -567,37 +560,37 @@ fil_extend_tablespaces_to_stored_len(void); /************************************************************************** Tries to extend a data file so that it would accommodate the number of pages given. The tablespace must be cached in the memory cache. If the space is big -enough already, does nothing. */ +enough already, does nothing. +@return TRUE if success */ UNIV_INTERN ibool fil_extend_space_to_desired_size( /*=============================*/ - /* out: TRUE if success */ - ulint* actual_size, /* out: size of the space after extension; + ulint* actual_size, /*!< out: size of the space after extension; if we ran out of disk space this may be lower than the desired size */ - ulint space_id, /* in: space id */ - ulint size_after_extend);/* in: desired size in pages after the + ulint space_id, /*!< in: space id */ + ulint size_after_extend);/*!< in: desired size in pages after the extension; if the current space size is bigger than this already, the function does nothing */ /*********************************************************************** -Tries to reserve free extents in a file space. */ +Tries to reserve free extents in a file space. +@return TRUE if succeed */ UNIV_INTERN ibool fil_space_reserve_free_extents( /*===========================*/ - /* out: TRUE if succeed */ - ulint id, /* in: space id */ - ulint n_free_now, /* in: number of free extents now */ - ulint n_to_reserve); /* in: how many one wants to reserve */ + ulint id, /*!< in: space id */ + ulint n_free_now, /*!< in: number of free extents now */ + ulint n_to_reserve); /*!< in: how many one wants to reserve */ /*********************************************************************** Releases free extents in a file space. */ UNIV_INTERN void fil_space_release_free_extents( /*===========================*/ - ulint id, /* in: space id */ - ulint n_reserved); /* in: how many one reserved */ + ulint id, /*!< in: space id */ + ulint n_reserved); /*!< in: how many one reserved */ /*********************************************************************** Gets the number of reserved extents. If the database is silent, this number should be zero. */ @@ -605,17 +598,15 @@ UNIV_INTERN ulint fil_space_get_n_reserved_extents( /*=============================*/ - ulint id); /* in: space id */ + ulint id); /*!< in: space id */ /************************************************************************ -Reads or writes data. This operation is asynchronous (aio). */ +Reads or writes data. This operation is asynchronous (aio). +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ UNIV_INTERN ulint fil_io( /*===*/ - /* out: DB_SUCCESS, or DB_TABLESPACE_DELETED - if we are trying to do i/o on a tablespace - which does not exist */ - ulint type, /* in: OS_FILE_READ or OS_FILE_WRITE, + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, ORed to OS_FILE_LOG, if a log i/o and ORed to OS_AIO_SIMULATED_WAKE_LATER if simulated aio and we want to post a @@ -624,21 +615,21 @@ fil_io( because i/os are not actually handled until all have been posted: use with great caution! */ - ibool sync, /* in: TRUE if synchronous aio is desired */ - ulint space_id, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes; + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint block_offset, /* in: offset in number of blocks */ - ulint byte_offset, /* in: remainder of offset in bytes; in + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio this must be divisible by the OS block size */ - ulint len, /* in: how many bytes to read or write; this + ulint len, /*!< in: how many bytes to read or write; this must not cross a file boundary; in aio this must be a block size multiple */ - void* buf, /* in/out: buffer where to store read data + void* buf, /*!< in/out: buffer where to store read data or from where to write; in aio this must be appropriately aligned */ - void* message); /* in: message for aio handler if non-sync + void* message); /*!< in: message for aio handler if non-sync aio used, else ignored */ /************************************************************************** Waits for an aio operation to complete. This function is used to write the @@ -649,7 +640,7 @@ UNIV_INTERN void fil_aio_wait( /*=========*/ - ulint segment); /* in: the number of the segment in the aio + ulint segment); /*!< in: the number of the segment in the aio array to wait for */ /************************************************************************** Flushes to disk possible writes cached by the OS. If the space does not exist @@ -658,7 +649,7 @@ UNIV_INTERN void fil_flush( /*======*/ - ulint space_id); /* in: file space id (this can be a group of + ulint space_id); /*!< in: file space id (this can be a group of log files or a tablespace of the database) */ /************************************************************************** Flushes to disk writes in file spaces of the given type possibly cached by @@ -667,56 +658,54 @@ UNIV_INTERN void fil_flush_file_spaces( /*==================*/ - ulint purpose); /* in: FIL_TABLESPACE, FIL_LOG */ + ulint purpose); /*!< in: FIL_TABLESPACE, FIL_LOG */ /********************************************************************** -Checks the consistency of the tablespace cache. */ +Checks the consistency of the tablespace cache. +@return TRUE if ok */ UNIV_INTERN ibool fil_validate(void); /*==============*/ - /* out: TRUE if ok */ /************************************************************************ -Returns TRUE if file address is undefined. */ +Returns TRUE if file address is undefined. +@return TRUE if undefined */ UNIV_INTERN ibool fil_addr_is_null( /*=============*/ - /* out: TRUE if undefined */ - fil_addr_t addr); /* in: address */ + fil_addr_t addr); /*!< in: address */ /************************************************************************ -Get the predecessor of a file page. */ +Get the predecessor of a file page. +@return FIL_PAGE_PREV */ UNIV_INTERN ulint fil_page_get_prev( /*==============*/ - /* out: FIL_PAGE_PREV */ - const byte* page); /* in: file page */ + const byte* page); /*!< in: file page */ /************************************************************************ -Get the successor of a file page. */ +Get the successor of a file page. +@return FIL_PAGE_NEXT */ UNIV_INTERN ulint fil_page_get_next( /*==============*/ - /* out: FIL_PAGE_NEXT */ - const byte* page); /* in: file page */ + const byte* page); /*!< in: file page */ /************************************************************************* Sets the file page type. */ UNIV_INTERN void fil_page_set_type( /*==============*/ - byte* page, /* in/out: file page */ - ulint type); /* in: type */ + byte* page, /*!< in/out: file page */ + ulint type); /*!< in: type */ /************************************************************************* -Gets the file page type. */ +Gets the file page type. +@return type; NOTE that if the type has not been written to page, the return value not defined */ UNIV_INTERN ulint fil_page_get_type( /*==============*/ - /* out: type; NOTE that if the type - has not been written to page, the - return value not defined */ - const byte* page); /* in: file page */ + const byte* page); /*!< in: file page */ typedef struct fil_space_struct fil_space_t; diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index 1f6ae4b614b..74b77b58972 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -65,55 +65,54 @@ fsp_init(void); Gets the current free limit of the system tablespace. The free limit means the place of the first page which has never been put to the the free list for allocation. The space above that address is initialized -to zero. Sets also the global variable log_fsp_current_free_limit. */ +to zero. Sets also the global variable log_fsp_current_free_limit. +@return free limit in megabytes */ UNIV_INTERN ulint fsp_header_get_free_limit(void); /*===========================*/ - /* out: free limit in megabytes */ /************************************************************************** Gets the size of the system tablespace from the tablespace header. If we do not have an auto-extending data file, this should be equal to the size of the data files. If there is an auto-extending data file, -this can be smaller. */ +this can be smaller. +@return size in pages */ UNIV_INTERN ulint fsp_header_get_tablespace_size(void); /*================================*/ - /* out: size in pages */ /************************************************************************** -Reads the file space size stored in the header page. */ +Reads the file space size stored in the header page. +@return tablespace size stored in the space header */ UNIV_INTERN ulint fsp_get_size_low( /*=============*/ - /* out: tablespace size stored in the space header */ - page_t* page); /* in: header page (page 0 in the tablespace) */ + page_t* page); /*!< in: header page (page 0 in the tablespace) */ /************************************************************************** -Reads the space id from the first page of a tablespace. */ +Reads the space id from the first page of a tablespace. +@return space id, ULINT UNDEFINED if error */ UNIV_INTERN ulint fsp_header_get_space_id( /*====================*/ - /* out: space id, ULINT UNDEFINED if error */ - const page_t* page); /* in: first page of a tablespace */ + const page_t* page); /*!< in: first page of a tablespace */ /************************************************************************** -Reads the space flags from the first page of a tablespace. */ +Reads the space flags from the first page of a tablespace. +@return flags */ UNIV_INTERN ulint fsp_header_get_flags( /*=================*/ - /* out: flags */ - const page_t* page); /* in: first page of a tablespace */ + const page_t* page); /*!< in: first page of a tablespace */ /************************************************************************** -Reads the compressed page size from the first page of a tablespace. */ +Reads the compressed page size from the first page of a tablespace. +@return compressed page size in bytes, or 0 if uncompressed */ UNIV_INTERN ulint fsp_header_get_zip_size( /*====================*/ - /* out: compressed page size in bytes, - or 0 if uncompressed */ - const page_t* page); /* in: first page of a tablespace */ + const page_t* page); /*!< in: first page of a tablespace */ /************************************************************************** Writes the space id and compressed page size to a tablespace header. This function is used past the buffer pool when we in fil0fil.c create @@ -122,9 +121,9 @@ UNIV_INTERN void fsp_header_init_fields( /*===================*/ - page_t* page, /* in/out: first page in the space */ - ulint space_id, /* in: space id */ - ulint flags); /* in: tablespace flags (FSP_SPACE_FLAGS): + page_t* page, /*!< in/out: first page in the space */ + ulint space_id, /*!< in: space id */ + ulint flags); /*!< in: tablespace flags (FSP_SPACE_FLAGS): 0, or table->flags if newer than COMPACT */ /************************************************************************** Initializes the space header of a new created space and creates also the @@ -133,110 +132,104 @@ UNIV_INTERN void fsp_header_init( /*============*/ - ulint space, /* in: space id */ - ulint size, /* in: current size in blocks */ - mtr_t* mtr); /* in: mini-transaction handle */ + ulint space, /*!< in: space id */ + ulint size, /*!< in: current size in blocks */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************** Increases the space size field of a space. */ UNIV_INTERN void fsp_header_inc_size( /*================*/ - ulint space, /* in: space id */ - ulint size_inc,/* in: size increment in pages */ - mtr_t* mtr); /* in: mini-transaction handle */ + ulint space, /*!< in: space id */ + ulint size_inc,/*!< in: size increment in pages */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************** -Creates a new segment. */ +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create( /*========*/ - /* out: the block where the segment header is placed, - x-latched, NULL if could not create segment - because of lack of space */ - ulint space, /* in: space id */ - ulint page, /* in: page where the segment header is placed: if + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if this is != 0, the page must belong to another segment, if this is 0, a new page will be allocated and it will belong to the created segment */ - ulint byte_offset, /* in: byte offset of the created segment header + ulint byte_offset, /*!< in: byte offset of the created segment header on the page */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** -Creates a new segment. */ +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create_general( /*================*/ - /* out: the block where the segment header is placed, - x-latched, NULL if could not create segment - because of lack of space */ - ulint space, /* in: space id */ - ulint page, /* in: page where the segment header is placed: if + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if this is != 0, the page must belong to another segment, if this is 0, a new page will be allocated and it will belong to the created segment */ - ulint byte_offset, /* in: byte offset of the created segment header + ulint byte_offset, /*!< in: byte offset of the created segment header on the page */ - ibool has_done_reservation, /* in: TRUE if the caller has already + ibool has_done_reservation, /*!< in: TRUE if the caller has already done the reservation for the pages with fsp_reserve_free_extents (at least 2 extents: one for the inode and the other for the segment) then there is no need to do the check for this individual operation */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Calculates the number of pages reserved by a segment, and how many pages are -currently used. */ +currently used. +@return number of reserved pages */ UNIV_INTERN ulint fseg_n_reserved_pages( /*==================*/ - /* out: number of reserved pages */ - fseg_header_t* header, /* in: segment header */ - ulint* used, /* out: number of pages used (<= reserved) */ - mtr_t* mtr); /* in: mtr handle */ + fseg_header_t* header, /*!< in: segment header */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr); /*!< in: mtr handle */ /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize -file space fragmentation. */ +file space fragmentation. +@return the allocated page offset FIL_NULL if no page could be allocated */ UNIV_INTERN ulint fseg_alloc_free_page( /*=================*/ - /* out: the allocated page offset - FIL_NULL if no page could be allocated */ - fseg_header_t* seg_header, /* in: segment header */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction, /* in: if the new page is needed because + fseg_header_t* seg_header, /*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - mtr_t* mtr); /* in: mtr handle */ + mtr_t* mtr); /*!< in: mtr handle */ /************************************************************************** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space -fragmentation. */ +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ UNIV_INTERN ulint fseg_alloc_free_page_general( /*=========================*/ - /* out: allocated page offset, FIL_NULL if no - page could be allocated */ - fseg_header_t* seg_header,/* in: segment header */ - ulint hint, /* in: hint of which page would be desirable */ - byte direction,/* in: if the new page is needed because + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because of an index page split, and records are inserted there in order, into which direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ - ibool has_done_reservation, /* in: TRUE if the caller has + ibool has_done_reservation, /*!< in: TRUE if the caller has already done the reservation for the page with fsp_reserve_free_extents, then there is no need to do the check for this individual page */ - mtr_t* mtr); /* in: mtr handle */ + mtr_t* mtr); /*!< in: mtr handle */ /************************************************************************** Reserves free pages from a tablespace. All mini-transactions which may use several pages from the tablespace should call this function beforehand @@ -261,40 +254,40 @@ Single-table tablespaces whose size is < 32 pages are a special case. In this function we would liberally reserve several 64 page extents for every page split or merge in a B-tree. But we do not want to waste disk space if the table only occupies < 32 pages. That is why we apply different rules in that special -case, just ensuring that there are 3 free pages available. */ +case, just ensuring that there are 3 free pages available. +@return TRUE if we were able to make the reservation */ UNIV_INTERN ibool fsp_reserve_free_extents( /*=====================*/ - /* out: TRUE if we were able to make the reservation */ - ulint* n_reserved,/* out: number of extents actually reserved; if we + ulint* n_reserved,/*!< out: number of extents actually reserved; if we return TRUE and the tablespace size is < 64 pages, then this can be 0, otherwise it is n_ext */ - ulint space, /* in: space id */ - ulint n_ext, /* in: number of extents to reserve */ - ulint alloc_type,/* in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ - mtr_t* mtr); /* in: mtr */ + ulint space, /*!< in: space id */ + ulint n_ext, /*!< in: number of extents to reserve */ + ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** This function should be used to get information on how much we still will be able to insert new data to the database without running out the tablespace. Only free extents are taken into account and we also subtract -the safety margin required by the above function fsp_reserve_free_extents. */ +the safety margin required by the above function fsp_reserve_free_extents. +@return available space in kB */ UNIV_INTERN ullint fsp_get_available_space_in_free_extents( /*====================================*/ - /* out: available space in kB */ - ulint space); /* in: space id */ + ulint space); /*!< in: space id */ /************************************************************************** Frees a single page of a segment. */ UNIV_INTERN void fseg_free_page( /*===========*/ - fseg_header_t* seg_header, /* in: segment header */ - ulint space, /* in: space id */ - ulint page, /* in: page offset */ - mtr_t* mtr); /* in: mtr handle */ + fseg_header_t* seg_header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page offset */ + mtr_t* mtr); /*!< in: mtr handle */ /*********************************************************************** Frees a segment. The freeing is performed in several mini-transactions, so that there is no danger of bufferfixing too many buffer pages. */ @@ -302,84 +295,83 @@ UNIV_INTERN void fseg_free( /*======*/ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no,/* in: page number where the segment header is + ulint page_no,/*!< in: page number where the segment header is placed */ - ulint offset);/* in: byte offset of the segment header on that + ulint offset);/*!< in: byte offset of the segment header on that page */ /************************************************************************** Frees part of a segment. This function can be used to free a segment by repeatedly calling this function in different mini-transactions. Doing the freeing in a single mini-transaction might result in -too big a mini-transaction. */ +too big a mini-transaction. +@return TRUE if freeing completed */ UNIV_INTERN ibool fseg_free_step( /*===========*/ - /* out: TRUE if freeing completed */ - fseg_header_t* header, /* in, own: segment header; NOTE: if the header + fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header resides on the first page of the frag list of the segment, this pointer becomes obsolete after the last freeing step */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Frees part of a segment. Differs from fseg_free_step because this function -leaves the header page unfreed. */ +leaves the header page unfreed. +@return TRUE if freeing completed, except the header page */ UNIV_INTERN ibool fseg_free_step_not_header( /*======================*/ - /* out: TRUE if freeing completed, except the - header page */ - fseg_header_t* header, /* in: segment header which must reside on + fseg_header_t* header, /*!< in: segment header which must reside on the first fragment page of the segment */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /*************************************************************************** -Checks if a page address is an extent descriptor page address. */ +Checks if a page address is an extent descriptor page address. +@return TRUE if a descriptor page */ UNIV_INLINE ibool fsp_descr_page( /*===========*/ - /* out: TRUE if a descriptor page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no);/* in: page number */ + ulint page_no);/*!< in: page number */ /*************************************************************** -Parses a redo log record of a file page init. */ +Parses a redo log record of a file page init. +@return end of log record or NULL */ UNIV_INTERN byte* fsp_parse_init_file_page( /*=====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr, /* in: buffer end */ - buf_block_t* block); /* in: block or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr, /*!< in: buffer end */ + buf_block_t* block); /*!< in: block or NULL */ /*********************************************************************** -Validates the file space system and its segments. */ +Validates the file space system and its segments. +@return TRUE if ok */ UNIV_INTERN ibool fsp_validate( /*=========*/ - /* out: TRUE if ok */ - ulint space); /* in: space id */ + ulint space); /*!< in: space id */ /*********************************************************************** Prints info of a file space. */ UNIV_INTERN void fsp_print( /*======*/ - ulint space); /* in: space id */ + ulint space); /*!< in: space id */ /*********************************************************************** -Validates a segment. */ +Validates a segment. +@return TRUE if ok */ UNIV_INTERN ibool fseg_validate( /*==========*/ - /* out: TRUE if ok */ - fseg_header_t* header, /* in: segment header */ - mtr_t* mtr2); /* in: mtr */ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr2); /*!< in: mtr */ #ifdef UNIV_BTR_PRINT /*********************************************************************** Writes info of a segment. */ @@ -387,8 +379,8 @@ UNIV_INTERN void fseg_print( /*=======*/ - fseg_header_t* header, /* in: segment header */ - mtr_t* mtr); /* in: mtr */ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr); /*!< in: mtr */ #endif /* UNIV_BTR_PRINT */ /* Flags for fsp_reserve_free_extents */ diff --git a/include/fsp0fsp.ic b/include/fsp0fsp.ic index f0301cc5e18..1f2e5b102a8 100644 --- a/include/fsp0fsp.ic +++ b/include/fsp0fsp.ic @@ -23,15 +23,15 @@ Created 12/18/1995 Heikki Tuuri *******************************************************/ /*************************************************************************** -Checks if a page address is an extent descriptor page address. */ +Checks if a page address is an extent descriptor page address. +@return TRUE if a descriptor page */ UNIV_INLINE ibool fsp_descr_page( /*===========*/ - /* out: TRUE if a descriptor page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no)/* in: page number */ + ulint page_no)/*!< in: page number */ { ut_ad(ut_is_2pow(zip_size)); diff --git a/include/fut0fut.h b/include/fut0fut.h index 4de0c97294c..e06ca51c092 100644 --- a/include/fut0fut.h +++ b/include/fut0fut.h @@ -32,19 +32,18 @@ Created 12/13/1995 Heikki Tuuri #include "mtr0mtr.h" /************************************************************************ -Gets a pointer to a file address and latches the page. */ +Gets a pointer to a file address and latches the page. +@return pointer to a byte in a frame; the file page in the frame is bufferfixed and latched */ UNIV_INLINE byte* fut_get_ptr( /*========*/ - /* out: pointer to a byte in a frame; the file - page in the frame is bufferfixed and latched */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fil_addr_t addr, /* in: file address */ - ulint rw_latch, /* in: RW_S_LATCH, RW_X_LATCH */ - mtr_t* mtr); /* in: mtr handle */ + fil_addr_t addr, /*!< in: file address */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ + mtr_t* mtr); /*!< in: mtr handle */ #ifndef UNIV_NONINL #include "fut0fut.ic" diff --git a/include/fut0fut.ic b/include/fut0fut.ic index f7e820da008..5227aa2ea2e 100644 --- a/include/fut0fut.ic +++ b/include/fut0fut.ic @@ -26,19 +26,18 @@ Created 12/13/1995 Heikki Tuuri #include "buf0buf.h" /************************************************************************ -Gets a pointer to a file address and latches the page. */ +Gets a pointer to a file address and latches the page. +@return pointer to a byte in a frame; the file page in the frame is bufferfixed and latched */ UNIV_INLINE byte* fut_get_ptr( /*========*/ - /* out: pointer to a byte in a frame; the file - page in the frame is bufferfixed and latched */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - fil_addr_t addr, /* in: file address */ - ulint rw_latch, /* in: RW_S_LATCH, RW_X_LATCH */ - mtr_t* mtr) /* in: mtr handle */ + fil_addr_t addr, /*!< in: file address */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr handle */ { buf_block_t* block; byte* ptr; diff --git a/include/fut0lst.h b/include/fut0lst.h index 32a9def9e47..87dcb63c340 100644 --- a/include/fut0lst.h +++ b/include/fut0lst.h @@ -51,55 +51,55 @@ UNIV_INLINE void flst_init( /*======*/ - flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Adds a node as the last node in a list. */ UNIV_INTERN void flst_add_last( /*==========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node, /* in: node to add */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Adds a node as the first node in a list. */ UNIV_INTERN void flst_add_first( /*===========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node, /* in: node to add */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Inserts a node after another in a list. */ UNIV_INTERN void flst_insert_after( /*==============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node1, /* in: node to insert after */ - flst_node_t* node2, /* in: node to add */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node1, /*!< in: node to insert after */ + flst_node_t* node2, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Inserts a node before another in a list. */ UNIV_INTERN void flst_insert_before( /*===============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: node to insert */ - flst_node_t* node3, /* in: node to insert before */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to insert */ + flst_node_t* node3, /*!< in: node to insert before */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Removes a node. */ UNIV_INTERN void flst_remove( /*========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: node to remove */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to remove */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Cuts off the tail of the list, including the node given. The number of nodes which will be removed must be provided by the caller, as this function @@ -108,11 +108,11 @@ UNIV_INTERN void flst_cut_end( /*=========*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: first node to remove */ - ulint n_nodes,/* in: number of nodes to remove, + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node to remove */ + ulint n_nodes,/*!< in: number of nodes to remove, must be >= 1 */ - mtr_t* mtr); /* in: mini-transaction handle */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Cuts off the tail of the list, not including the given node. The number of nodes which will be removed must be provided by the caller, as this function @@ -121,90 +121,90 @@ UNIV_INTERN void flst_truncate_end( /*==============*/ - flst_base_node_t* base, /* in: pointer to base node of list */ - flst_node_t* node2, /* in: first node not to remove */ - ulint n_nodes,/* in: number of nodes to remove */ - mtr_t* mtr); /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node not to remove */ + ulint n_nodes,/*!< in: number of nodes to remove */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Gets list length. */ +Gets list length. +@return length */ UNIV_INLINE ulint flst_get_len( /*=========*/ - /* out: length */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr); /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Gets list first node address. */ +Gets list first node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_first( /*===========*/ - /* out: file address */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr); /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Gets list last node address. */ +Gets list last node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_last( /*==========*/ - /* out: file address */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr); /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Gets list next node address. */ +Gets list next node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_next_addr( /*===============*/ - /* out: file address */ - const flst_node_t* node, /* in: pointer to node */ - mtr_t* mtr); /* in: mini-transaction handle */ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Gets list prev node address. */ +Gets list prev node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_prev_addr( /*===============*/ - /* out: file address */ - const flst_node_t* node, /* in: pointer to node */ - mtr_t* mtr); /* in: mini-transaction handle */ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ Writes a file address. */ UNIV_INLINE void flst_write_addr( /*============*/ - fil_faddr_t* faddr, /* in: pointer to file faddress */ - fil_addr_t addr, /* in: file address */ - mtr_t* mtr); /* in: mini-transaction handle */ + fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + fil_addr_t addr, /*!< in: file address */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Reads a file address. */ +Reads a file address. +@return file address */ UNIV_INLINE fil_addr_t flst_read_addr( /*===========*/ - /* out: file address */ - const fil_faddr_t* faddr, /* in: pointer to file faddress */ - mtr_t* mtr); /* in: mini-transaction handle */ + const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************************ -Validates a file-based list. */ +Validates a file-based list. +@return TRUE if ok */ UNIV_INTERN ibool flst_validate( /*==========*/ - /* out: TRUE if ok */ - const flst_base_node_t* base, /* in: pointer to base node of list */ - mtr_t* mtr1); /* in: mtr */ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr1); /*!< in: mtr */ /************************************************************************ Prints info of a file-based list. */ UNIV_INTERN void flst_print( /*=======*/ - const flst_base_node_t* base, /* in: pointer to base node of list */ - mtr_t* mtr); /* in: mtr */ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_NONINL diff --git a/include/fut0lst.ic b/include/fut0lst.ic index 5899e996059..947d2a152f3 100644 --- a/include/fut0lst.ic +++ b/include/fut0lst.ic @@ -48,9 +48,9 @@ UNIV_INLINE void flst_write_addr( /*============*/ - fil_faddr_t* faddr, /* in: pointer to file faddress */ - fil_addr_t addr, /* in: file address */ - mtr_t* mtr) /* in: mini-transaction handle */ + fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + fil_addr_t addr, /*!< in: file address */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(faddr && mtr); ut_ad(mtr_memo_contains_page(mtr, faddr, MTR_MEMO_PAGE_X_FIX)); @@ -63,14 +63,14 @@ flst_write_addr( } /************************************************************************ -Reads a file address. */ +Reads a file address. +@return file address */ UNIV_INLINE fil_addr_t flst_read_addr( /*===========*/ - /* out: file address */ - const fil_faddr_t* faddr, /* in: pointer to file faddress */ - mtr_t* mtr) /* in: mini-transaction handle */ + const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { fil_addr_t addr; @@ -90,8 +90,8 @@ UNIV_INLINE void flst_init( /*======*/ - flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr) /* in: mini-transaction handle */ + flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); @@ -101,66 +101,66 @@ flst_init( } /************************************************************************ -Gets list length. */ +Gets list length. +@return length */ UNIV_INLINE ulint flst_get_len( /*=========*/ - /* out: length */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr) /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { return(mtr_read_ulint(base + FLST_LEN, MLOG_4BYTES, mtr)); } /************************************************************************ -Gets list first node address. */ +Gets list first node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_first( /*===========*/ - /* out: file address */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr) /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { return(flst_read_addr(base + FLST_FIRST, mtr)); } /************************************************************************ -Gets list last node address. */ +Gets list last node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_last( /*==========*/ - /* out: file address */ - const flst_base_node_t* base, /* in: pointer to base node */ - mtr_t* mtr) /* in: mini-transaction handle */ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { return(flst_read_addr(base + FLST_LAST, mtr)); } /************************************************************************ -Gets list next node address. */ +Gets list next node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_next_addr( /*===============*/ - /* out: file address */ - const flst_node_t* node, /* in: pointer to node */ - mtr_t* mtr) /* in: mini-transaction handle */ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { return(flst_read_addr(node + FLST_NEXT, mtr)); } /************************************************************************ -Gets list prev node address. */ +Gets list prev node address. +@return file address */ UNIV_INLINE fil_addr_t flst_get_prev_addr( /*===============*/ - /* out: file address */ - const flst_node_t* node, /* in: pointer to node */ - mtr_t* mtr) /* in: mini-transaction handle */ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { return(flst_read_addr(node + FLST_PREV, mtr)); } diff --git a/include/ha0ha.h b/include/ha0ha.h index f77ec2ace85..591682c0be0 100644 --- a/include/ha0ha.h +++ b/include/ha0ha.h @@ -32,16 +32,14 @@ Created 8/18/1994 Heikki Tuuri #include "buf0types.h" /***************************************************************** -Looks for an element in a hash table. */ +Looks for an element in a hash table. +@return pointer to the data of the first hash table node in chain having the fold number, NULL if not found */ UNIV_INLINE void* ha_search_and_get_data( /*===================*/ - /* out: pointer to the data of the first hash - table node in chain having the fold number, - NULL if not found */ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: folded value of the searched data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: folded value of the searched data */ /************************************************************* Looks for an element when we know the pointer to the data and updates the pointer to data if found. */ @@ -49,13 +47,13 @@ UNIV_INTERN void ha_search_and_update_if_found_func( /*===============================*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of the searched data */ - void* data, /* in: pointer to the data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data, /*!< in: pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* new_block,/* in: block containing new_data */ + buf_block_t* new_block,/*!< in: block containing new_data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* new_data);/* in: new pointer to the data */ + void* new_data);/*!< in: new pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ @@ -66,18 +64,18 @@ ha_search_and_update_if_found_func( #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /***************************************************************** Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. */ +chosen to be a prime number slightly bigger than n. +@return own: created table */ UNIV_INTERN hash_table_t* ha_create_func( /*===========*/ - /* out, own: created table */ - ulint n, /* in: number of array cells */ + ulint n, /*!< in: number of array cells */ #ifdef UNIV_SYNC_DEBUG - ulint mutex_level, /* in: level of the mutexes in the latching + ulint mutex_level, /*!< in: level of the mutexes in the latching order: this is used in the debug version */ #endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes); /* in: number of mutexes to protect the + ulint n_mutexes); /*!< in: number of mutexes to protect the hash table: must be a power of 2 */ #ifdef UNIV_SYNC_DEBUG # define ha_create(n_c,n_m,level) ha_create_func(n_c,level,n_m) @@ -91,27 +89,26 @@ UNIV_INTERN void ha_clear( /*=====*/ - hash_table_t* table); /* in, own: hash table */ + hash_table_t* table); /*!< in, own: hash table */ /***************************************************************** Inserts an entry into a hash table. If an entry with the same fold number is found, its node is updated to point to the new data, and no new node -is inserted. */ +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated */ UNIV_INTERN ibool ha_insert_for_fold_func( /*====================*/ - /* out: TRUE if succeed, FALSE if no more - memory could be allocated */ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of data; if a node with + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data; if a node with the same fold value already exists, it is updated to point to the same data, and no new node is created! */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /* in: buffer block containing the data */ + buf_block_t* block, /*!< in: buffer block containing the data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data); /* in: data, must not be NULL */ + void* data); /*!< in: data, must not be NULL */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,b,d) @@ -125,21 +122,21 @@ UNIV_INTERN void ha_delete( /*======*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of data */ - void* data); /* in: data, must not be NULL and must exist + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data */ + void* data); /*!< in: data, must not be NULL and must exist in the hash table */ /************************************************************* Looks for an element when we know the pointer to the data and deletes -it from the hash table if found. */ +it from the hash table if found. +@return TRUE if found */ UNIV_INLINE ibool ha_search_and_delete_if_found( /*==========================*/ - /* out: TRUE if found */ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of the searched data */ - void* data); /* in: pointer to the data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data); /*!< in: pointer to the data */ #ifndef UNIV_HOTBACKUP /********************************************************************* Removes from the chain determined by fold all nodes whose data pointer @@ -148,27 +145,27 @@ UNIV_INTERN void ha_remove_all_nodes_to_page( /*========================*/ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: fold value */ - const page_t* page); /* in: buffer page */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: fold value */ + const page_t* page); /*!< in: buffer page */ /***************************************************************** -Validates a given range of the cells in hash table. */ +Validates a given range of the cells in hash table. +@return TRUE if ok */ UNIV_INTERN ibool ha_validate( /*========*/ - /* out: TRUE if ok */ - hash_table_t* table, /* in: hash table */ - ulint start_index, /* in: start index */ - ulint end_index); /* in: end index */ + hash_table_t* table, /*!< in: hash table */ + ulint start_index, /*!< in: start index */ + ulint end_index); /*!< in: end index */ /***************************************************************** Prints info of a hash table. */ UNIV_INTERN void ha_print_info( /*==========*/ - FILE* file, /* in: file where to print */ - hash_table_t* table); /* in: hash table */ + FILE* file, /*!< in: file where to print */ + hash_table_t* table); /*!< in: hash table */ #endif /* !UNIV_HOTBACKUP */ /* The hash table external chain node */ diff --git a/include/ha0ha.ic b/include/ha0ha.ic index bd52bc64567..6b2e9db5cd5 100644 --- a/include/ha0ha.ic +++ b/include/ha0ha.ic @@ -31,17 +31,17 @@ UNIV_INTERN void ha_delete_hash_node( /*================*/ - hash_table_t* table, /* in: hash table */ - ha_node_t* del_node); /* in: node to be deleted */ + hash_table_t* table, /*!< in: hash table */ + ha_node_t* del_node); /*!< in: node to be deleted */ /********************************************************************** -Gets a hash node data. */ +Gets a hash node data. +@return pointer to the data */ UNIV_INLINE void* ha_node_get_data( /*=============*/ - /* out: pointer to the data */ - ha_node_t* node) /* in: hash chain node */ + ha_node_t* node) /*!< in: hash chain node */ { return(node->data); } @@ -52,11 +52,11 @@ UNIV_INLINE void ha_node_set_data_func( /*==================*/ - ha_node_t* node, /* in: hash chain node */ + ha_node_t* node, /*!< in: hash chain node */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /* in: buffer block containing the data */ + buf_block_t* block, /*!< in: buffer block containing the data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data) /* in: pointer to the data */ + void* data) /*!< in: pointer to the data */ { #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG node->block = block; @@ -71,42 +71,40 @@ ha_node_set_data_func( #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ /********************************************************************** -Gets the next node in a hash chain. */ +Gets the next node in a hash chain. +@return next node, NULL if none */ UNIV_INLINE ha_node_t* ha_chain_get_next( /*==============*/ - /* out: next node, NULL if none */ - ha_node_t* node) /* in: hash chain node */ + ha_node_t* node) /*!< in: hash chain node */ { return(node->next); } /********************************************************************** -Gets the first node in a hash chain. */ +Gets the first node in a hash chain. +@return first node, NULL if none */ UNIV_INLINE ha_node_t* ha_chain_get_first( /*===============*/ - /* out: first node, NULL if none */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold value determining the chain */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold value determining the chain */ { return((ha_node_t*) hash_get_nth_cell(table, hash_calc_hash(fold, table))->node); } /***************************************************************** -Looks for an element in a hash table. */ +Looks for an element in a hash table. +@return pointer to the first hash table node in chain having the fold number, NULL if not found */ UNIV_INLINE ha_node_t* ha_search( /*======*/ - /* out: pointer to the first hash table node - in chain having the fold number, NULL if not - found */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: folded value of the searched data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: folded value of the searched data */ { ha_node_t* node; @@ -127,16 +125,14 @@ ha_search( } /***************************************************************** -Looks for an element in a hash table. */ +Looks for an element in a hash table. +@return pointer to the data of the first hash table node in chain having the fold number, NULL if not found */ UNIV_INLINE void* ha_search_and_get_data( /*===================*/ - /* out: pointer to the data of the first hash - table node in chain having the fold number, - NULL if not found */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: folded value of the searched data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: folded value of the searched data */ { ha_node_t* node; @@ -157,16 +153,15 @@ ha_search_and_get_data( } /************************************************************* -Looks for an element when we know the pointer to the data. */ +Looks for an element when we know the pointer to the data. +@return pointer to the hash table node, NULL if not found in the table */ UNIV_INLINE ha_node_t* ha_search_with_data( /*================*/ - /* out: pointer to the hash table node, NULL - if not found in the table */ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of the searched data */ - void* data) /* in: pointer to the data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data) /*!< in: pointer to the data */ { ha_node_t* node; @@ -188,15 +183,15 @@ ha_search_with_data( /************************************************************* Looks for an element when we know the pointer to the data, and deletes -it from the hash table, if found. */ +it from the hash table, if found. +@return TRUE if found */ UNIV_INLINE ibool ha_search_and_delete_if_found( /*==========================*/ - /* out: TRUE if found */ - hash_table_t* table, /* in: hash table */ - ulint fold, /* in: folded value of the searched data */ - void* data) /* in: pointer to the data */ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data) /*!< in: pointer to the data */ { ha_node_t* node; diff --git a/include/ha0storage.h b/include/ha0storage.h index f5a3938f434..8b71918f9d3 100644 --- a/include/ha0storage.h +++ b/include/ha0storage.h @@ -41,14 +41,14 @@ typedef struct ha_storage_struct ha_storage_t; /*********************************************************************** Creates a hash storage. If any of the parameters is 0, then a default -value is used. */ +value is used. +@return own: hash storage */ UNIV_INLINE ha_storage_t* ha_storage_create( /*==============*/ - /* out, own: hash storage */ - ulint initial_heap_bytes, /* in: initial heap's size */ - ulint initial_hash_cells); /* in: initial number of cells + ulint initial_heap_bytes, /*!< in: initial heap's size */ + ulint initial_hash_cells); /*!< in: initial number of cells in the hash table */ /*********************************************************************** @@ -59,16 +59,16 @@ memcmp(data1, data2, len1) == 0. If "data" is not present (and thus data_len bytes need to be allocated) and the size of storage is going to become more than "memlim" then "data" is not added and NULL is returned. To disable this behavior "memlim" can be set to 0, which stands for -"no limit". */ +"no limit". +@return pointer to the copy */ const void* ha_storage_put_memlim( /*==================*/ - /* out: pointer to the copy */ - ha_storage_t* storage, /* in/out: hash storage */ - const void* data, /* in: data to store */ - ulint data_len, /* in: data length */ - ulint memlim); /* in: memory limit to obey */ + ha_storage_t* storage, /*!< in/out: hash storage */ + const void* data, /*!< in: data to store */ + ulint data_len, /*!< in: data length */ + ulint memlim); /*!< in: memory limit to obey */ /*********************************************************************** Same as ha_storage_put_memlim() but without memory limit. */ @@ -100,27 +100,27 @@ UNIV_INLINE void ha_storage_empty( /*=============*/ - ha_storage_t** storage); /* in/out: hash storage */ + ha_storage_t** storage); /*!< in/out: hash storage */ /*********************************************************************** Frees a hash storage and everything it contains, it cannot be used after this call. This invalidates any pointers previously returned by ha_storage_put(). -*/ + */ UNIV_INLINE void ha_storage_free( /*============*/ - ha_storage_t* storage); /* in/out: hash storage */ + ha_storage_t* storage); /*!< in/out: hash storage */ /*********************************************************************** -Gets the size of the memory used by a storage. */ +Gets the size of the memory used by a storage. +@return bytes used */ UNIV_INLINE ulint ha_storage_get_size( /*================*/ - /* out: bytes used */ - const ha_storage_t* storage); /* in: hash storage */ + const ha_storage_t* storage); /*!< in: hash storage */ #ifndef UNIV_NONINL #include "ha0storage.ic" diff --git a/include/ha0storage.ic b/include/ha0storage.ic index 7ab43bc00ba..a0bdcb81fb4 100644 --- a/include/ha0storage.ic +++ b/include/ha0storage.ic @@ -46,14 +46,14 @@ struct ha_storage_node_struct { /*********************************************************************** Creates a hash storage. If any of the parameters is 0, then a default -value is used. */ +value is used. +@return own: hash storage */ UNIV_INLINE ha_storage_t* ha_storage_create( /*==============*/ - /* out, own: hash storage */ - ulint initial_heap_bytes, /* in: initial heap's size */ - ulint initial_hash_cells) /* in: initial number of cells + ulint initial_heap_bytes, /*!< in: initial heap's size */ + ulint initial_hash_cells) /*!< in: initial number of cells in the hash table */ { ha_storage_t* storage; @@ -91,7 +91,7 @@ UNIV_INLINE void ha_storage_empty( /*=============*/ - ha_storage_t** storage) /* in/out: hash storage */ + ha_storage_t** storage) /*!< in/out: hash storage */ { ha_storage_t temp_storage; @@ -112,12 +112,12 @@ ha_storage_empty( Frees a hash storage and everything it contains, it cannot be used after this call. This invalidates any pointers previously returned by ha_storage_put(). -*/ + */ UNIV_INLINE void ha_storage_free( /*============*/ - ha_storage_t* storage) /* in/out: hash storage */ + ha_storage_t* storage) /*!< in/out: hash storage */ { /* order is important because the pointer storage->hash is within the heap */ @@ -126,13 +126,13 @@ ha_storage_free( } /*********************************************************************** -Gets the size of the memory used by a storage. */ +Gets the size of the memory used by a storage. +@return bytes used */ UNIV_INLINE ulint ha_storage_get_size( /*================*/ - /* out: bytes used */ - const ha_storage_t* storage) /* in: hash storage */ + const ha_storage_t* storage) /*!< in: hash storage */ { ulint ret; diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index 12ba88daaec..b04af5bbe7b 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -26,21 +26,20 @@ Place, Suite 330, Boston, MA 02111-1307 USA InnoDB's C-code. */ /************************************************************************* -Wrapper around MySQL's copy_and_convert function. */ +Wrapper around MySQL's copy_and_convert function. +@return number of bytes copied to 'to' */ UNIV_INTERN ulint innobase_convert_string( /*====================*/ - /* out: number of bytes copied - to 'to' */ - void* to, /* out: converted string */ - ulint to_length, /* in: number of bytes reserved + void* to, /*!< out: converted string */ + ulint to_length, /*!< in: number of bytes reserved for the converted string */ - CHARSET_INFO* to_cs, /* in: character set to convert to */ - const void* from, /* in: string to convert */ - ulint from_length, /* in: number of bytes to convert */ - CHARSET_INFO* from_cs, /* in: character set to convert from */ - uint* errors); /* out: number of errors encountered + CHARSET_INFO* to_cs, /*!< in: character set to convert to */ + const void* from, /*!< in: string to convert */ + ulint from_length, /*!< in: number of bytes to convert */ + CHARSET_INFO* from_cs, /*!< in: character set to convert from */ + uint* errors); /*!< out: number of errors encountered during the conversion */ /*********************************************************************** @@ -50,19 +49,18 @@ the result to "buf". The result is converted to "system_charset_info". Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ UNIV_INTERN ulint innobase_raw_format( /*================*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - ulint charset_coll, /* in: charset collation */ - char* buf, /* out: output buffer */ - ulint buf_size); /* in: output buffer size + ulint charset_coll, /*!< in: charset collation */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size in bytes */ /********************************************************************* @@ -71,30 +69,30 @@ UNIV_INTERN void innobase_invalidate_query_cache( /*============================*/ - trx_t* trx, /* in: transaction which + trx_t* trx, /*!< in: transaction which modifies the table */ - const char* full_name, /* in: concatenation of + const char* full_name, /*!< in: concatenation of database name, null char '\0', table name, null char '\0'; NOTE that in Windows this is always in LOWER CASE! */ - ulint full_name_len); /* in: full name length where + ulint full_name_len); /*!< in: full name length where also the null chars count */ /********************************************************************* Convert a table or index name to the MySQL system_charset_info (UTF-8) -and quote it if needed. */ +and quote it if needed. +@return pointer to the end of buf */ UNIV_INTERN char* innobase_convert_name( /*==================*/ - /* out: pointer to the end of buf */ - char* buf, /* out: buffer for converted identifier */ - ulint buflen, /* in: length of buf, in bytes */ - const char* id, /* in: identifier to convert */ - ulint idlen, /* in: length of id, in bytes */ - void* thd, /* in: MySQL connection thread, or NULL */ - ibool table_id);/* in: TRUE=id is a table or database name; + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool table_id);/*!< in: TRUE=id is a table or database name; FALSE=id is an index name */ /********************************************************************** @@ -102,26 +100,25 @@ Returns true if the thread is the replication thread on the slave server. Used in srv_conc_enter_innodb() to determine if the thread should be allowed to enter InnoDB - the replication thread is treated differently than other threads. Also used in -srv_conc_force_exit_innodb(). */ +srv_conc_force_exit_innodb(). +@return true if thd is the replication thread */ UNIV_INTERN ibool thd_is_replication_slave_thread( /*============================*/ - /* out: true if thd is the replication thread */ - void* thd); /* in: thread handle (THD*) */ + void* thd); /*!< in: thread handle (THD*) */ /********************************************************************** Returns true if the transaction this thread is processing has edited non-transactional tables. Used by the deadlock detector when deciding which transaction to rollback in case of a deadlock - we try to avoid -rolling back transactions that have edited non-transactional tables. */ +rolling back transactions that have edited non-transactional tables. +@return true if non-transactional tables have been edited */ UNIV_INTERN ibool thd_has_edited_nontrans_tables( /*===========================*/ - /* out: true if non-transactional tables have - been edited */ - void* thd); /* in: thread handle (THD*) */ + void* thd); /*!< in: thread handle (THD*) */ /***************************************************************** Prints info of a THD object (== user session thread) to the given file. */ @@ -129,27 +126,26 @@ UNIV_INTERN void innobase_mysql_print_thd( /*=====================*/ - FILE* f, /* in: output stream */ - void* thd, /* in: pointer to a MySQL THD object */ - uint max_query_len); /* in: max query length to print, or 0 to + FILE* f, /*!< in: output stream */ + void* thd, /*!< in: pointer to a MySQL THD object */ + uint max_query_len); /*!< in: max query length to print, or 0 to use the default max length */ /****************************************************************** Converts a MySQL type to an InnoDB type. Note that this function returns the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 -VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. */ +VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. +@return DATA_BINARY, DATA_VARCHAR, ... */ UNIV_INTERN ulint get_innobase_type_from_mysql_type( /*==============================*/ - /* out: DATA_BINARY, - DATA_VARCHAR, ... */ - ulint* unsigned_flag, /* out: DATA_UNSIGNED if an + ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an 'unsigned type'; at least ENUM and SET, and unsigned integer types are 'unsigned types' */ - const void* field) /* in: MySQL Field */ + const void* field) /*!< in: MySQL Field */ __attribute__((nonnull)); /***************************************************************** @@ -180,28 +176,28 @@ UNIV_INTERN void innobase_get_cset_width( /*====================*/ - ulint cset, /* in: MySQL charset-collation code */ - ulint* mbminlen, /* out: minimum length of a char (in bytes) */ - ulint* mbmaxlen); /* out: maximum length of a char (in bytes) */ + ulint cset, /*!< in: MySQL charset-collation code */ + ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ + ulint* mbmaxlen); /*!< out: maximum length of a char (in bytes) */ /********************************************************************** -Compares NUL-terminated UTF-8 strings case insensitively. */ +Compares NUL-terminated UTF-8 strings case insensitively. +@return 0 if a=b, <0 if a1 if a>b */ UNIV_INTERN int innobase_strcasecmp( /*================*/ - /* out: 0 if a=b, <0 if a1 if a>b */ - const char* a, /* in: first string to compare */ - const char* b); /* in: second string to compare */ + const char* a, /*!< in: first string to compare */ + const char* b); /*!< in: second string to compare */ /********************************************************************** -Returns true if the thread is executing a SELECT statement. */ +Returns true if the thread is executing a SELECT statement. +@return true if thd is executing SELECT */ ibool thd_is_select( /*==========*/ - /* out: true if thd is executing SELECT */ - const void* thd); /* in: thread handle (THD*) */ + const void* thd); /*!< in: thread handle (THD*) */ /********************************************************************** Converts an identifier to a table name. */ @@ -209,10 +205,10 @@ UNIV_INTERN void innobase_convert_from_table_id( /*===========================*/ - struct charset_info_st* cs, /* in: the 'from' character set */ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len); /* in: length of 'to', in bytes; should + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len); /*!< in: length of 'to', in bytes; should be at least 5 * strlen(to) + 1 */ /********************************************************************** Converts an identifier to UTF-8. */ @@ -220,10 +216,10 @@ UNIV_INTERN void innobase_convert_from_id( /*=====================*/ - struct charset_info_st* cs, /* in: the 'from' character set */ - char* to, /* out: converted identifier */ - const char* from, /* in: identifier to convert */ - ulint len); /* in: length of 'to', in bytes; should + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len); /*!< in: length of 'to', in bytes; should be at least 3 * strlen(to) + 1 */ /********************************************************************** Makes all characters in a NUL-terminated UTF-8 string lower case. */ @@ -231,53 +227,52 @@ UNIV_INTERN void innobase_casedn_str( /*================*/ - char* a); /* in/out: string to put in lower case */ + char* a); /*!< in/out: string to put in lower case */ /************************************************************************** -Determines the connection character set. */ +Determines the connection character set. +@return connection character set */ struct charset_info_st* innobase_get_charset( /*=================*/ - /* out: connection character set */ - void* mysql_thd); /* in: MySQL thread handle */ + void* mysql_thd); /*!< in: MySQL thread handle */ /********************************************************************** This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function finds charset information and returns length of prefix_len characters in the -index field in bytes. */ +index field in bytes. +@return number of bytes occupied by the first n characters */ UNIV_INTERN ulint innobase_get_at_most_n_mbchars( /*===========================*/ - /* out: number of bytes occupied by the first - n characters */ - ulint charset_id, /* in: character set id */ - ulint prefix_len, /* in: prefix length in bytes of the index + ulint charset_id, /*!< in: character set id */ + ulint prefix_len, /*!< in: prefix length in bytes of the index (this has to be divided by mbmaxlen to get the number of CHARACTERS n in the prefix) */ - ulint data_len, /* in: length of the string in bytes */ - const char* str); /* in: character string */ + ulint data_len, /*!< in: length of the string in bytes */ + const char* str); /*!< in: character string */ /********************************************************************** Returns true if the thread supports XA, -global value of innodb_supports_xa if thd is NULL. */ +global value of innodb_supports_xa if thd is NULL. +@return true if thd supports XA */ ibool thd_supports_xa( /*============*/ - /* out: true if thd supports XA */ - void* thd); /* in: thread handle (THD*), or NULL to query + void* thd); /*!< in: thread handle (THD*), or NULL to query the global innodb_supports_xa */ /********************************************************************** -Returns the lock wait timeout for the current connection. */ +Returns the lock wait timeout for the current connection. +@return the lock wait timeout, in seconds */ ulong thd_lock_wait_timeout( /*==================*/ - /* out: the lock wait timeout, in seconds */ - void* thd); /* in: thread handle (THD*), or NULL to query + void* thd); /*!< in: thread handle (THD*), or NULL to query the global innodb_lock_wait_timeout */ #endif diff --git a/include/handler0alter.h b/include/handler0alter.h index 69488b67b2b..49510547a69 100644 --- a/include/handler0alter.h +++ b/include/handler0alter.h @@ -26,10 +26,10 @@ UNIV_INTERN void innobase_rec_to_mysql( /*==================*/ - TABLE* table, /* in/out: MySQL table */ - const rec_t* rec, /* in: record */ - const dict_index_t* index, /* in: index */ - const ulint* offsets); /* in: rec_get_offsets( + TABLE* table, /*!< in/out: MySQL table */ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets); /*!< in: rec_get_offsets( rec, index, ...) */ /***************************************************************** @@ -38,4 +38,4 @@ UNIV_INTERN void innobase_rec_reset( /*===============*/ - TABLE* table); /* in/out: MySQL table */ + TABLE* table); /*!< in/out: MySQL table */ diff --git a/include/hash0hash.h b/include/hash0hash.h index 7b484dbf667..5bae5f866a1 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -41,13 +41,13 @@ typedef void* hash_node_t; /***************************************************************** Creates a hash table with >= n array cells. The actual number -of cells is chosen to be a prime number slightly bigger than n. */ +of cells is chosen to be a prime number slightly bigger than n. +@return own: created table */ UNIV_INTERN hash_table_t* hash_create( /*========*/ - /* out, own: created table */ - ulint n); /* in: number of array cells */ + ulint n); /*!< in: number of array cells */ #ifndef UNIV_HOTBACKUP /***************************************************************** Creates a mutex array to protect a hash table. */ @@ -55,12 +55,12 @@ UNIV_INTERN void hash_create_mutexes_func( /*=====================*/ - hash_table_t* table, /* in: hash table */ + hash_table_t* table, /*!< in: hash table */ #ifdef UNIV_SYNC_DEBUG - ulint sync_level, /* in: latching order level of the + ulint sync_level, /*!< in: latching order level of the mutexes: used in the debug version */ #endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes); /* in: number of mutexes */ + ulint n_mutexes); /*!< in: number of mutexes */ #ifdef UNIV_SYNC_DEBUG # define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,level,n) #else /* UNIV_SYNC_DEBUG */ @@ -74,16 +74,16 @@ UNIV_INTERN void hash_table_free( /*============*/ - hash_table_t* table); /* in, own: hash table */ + hash_table_t* table); /*!< in, own: hash table */ /****************************************************************** -Calculates the hash value from a folded value. */ +Calculates the hash value from a folded value. +@return hashed value */ UNIV_INLINE ulint hash_calc_hash( /*===========*/ - /* out: hashed value */ - ulint fold, /* in: folded value */ - hash_table_t* table); /* in: hash table */ + ulint fold, /*!< in: folded value */ + hash_table_t* table); /*!< in: hash table */ #ifndef UNIV_HOTBACKUP /************************************************************************ Assert that the mutex for the table in a hash operation is owned. */ @@ -217,14 +217,14 @@ do { \ } while (0) /**************************************************************** -Gets the nth cell in a hash table. */ +Gets the nth cell in a hash table. +@return pointer to cell */ UNIV_INLINE hash_cell_t* hash_get_nth_cell( /*==============*/ - /* out: pointer to cell */ - hash_table_t* table, /* in: hash table */ - ulint n); /* in: cell index */ + hash_table_t* table, /*!< in: hash table */ + ulint n); /*!< in: cell index */ /***************************************************************** Clears a hash table so that all the cells become empty. */ @@ -232,16 +232,16 @@ UNIV_INLINE void hash_table_clear( /*=============*/ - hash_table_t* table); /* in/out: hash table */ + hash_table_t* table); /*!< in/out: hash table */ /***************************************************************** -Returns the number of cells in a hash table. */ +Returns the number of cells in a hash table. +@return number of cells */ UNIV_INLINE ulint hash_get_n_cells( /*=============*/ - /* out: number of cells */ - hash_table_t* table); /* in: table */ + hash_table_t* table); /*!< in: table */ /*********************************************************************** Deletes a struct which is stored in the heap of the hash table, and compacts the heap. The fold value must be stored in the struct NODE in a field named @@ -303,7 +303,7 @@ do {\ #ifndef UNIV_HOTBACKUP /******************************************************************** -Move all hash table entries from OLD_TABLE to NEW_TABLE.*/ +Move all hash table entries from OLD_TABLE to NEW_TABLE. */ #define HASH_MIGRATE(OLD_TABLE, NEW_TABLE, NODE_TYPE, PTR_NAME, FOLD_FUNC) \ do {\ @@ -328,80 +328,80 @@ do {\ } while (0) /**************************************************************** -Gets the mutex index for a fold value in a hash table. */ +Gets the mutex index for a fold value in a hash table. +@return mutex number */ UNIV_INLINE ulint hash_get_mutex_no( /*==============*/ - /* out: mutex number */ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ /**************************************************************** -Gets the nth heap in a hash table. */ +Gets the nth heap in a hash table. +@return mem heap */ UNIV_INLINE mem_heap_t* hash_get_nth_heap( /*==============*/ - /* out: mem heap */ - hash_table_t* table, /* in: hash table */ - ulint i); /* in: index of the heap */ + hash_table_t* table, /*!< in: hash table */ + ulint i); /*!< in: index of the heap */ /**************************************************************** -Gets the heap for a fold value in a hash table. */ +Gets the heap for a fold value in a hash table. +@return mem heap */ UNIV_INLINE mem_heap_t* hash_get_heap( /*==========*/ - /* out: mem heap */ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ /**************************************************************** -Gets the nth mutex in a hash table. */ +Gets the nth mutex in a hash table. +@return mutex */ UNIV_INLINE mutex_t* hash_get_nth_mutex( /*===============*/ - /* out: mutex */ - hash_table_t* table, /* in: hash table */ - ulint i); /* in: index of the mutex */ + hash_table_t* table, /*!< in: hash table */ + ulint i); /*!< in: index of the mutex */ /**************************************************************** -Gets the mutex for a fold value in a hash table. */ +Gets the mutex for a fold value in a hash table. +@return mutex */ UNIV_INLINE mutex_t* hash_get_mutex( /*===========*/ - /* out: mutex */ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ /**************************************************************** Reserves the mutex for a fold value in a hash table. */ UNIV_INTERN void hash_mutex_enter( /*=============*/ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ /**************************************************************** Releases the mutex for a fold value in a hash table. */ UNIV_INTERN void hash_mutex_exit( /*============*/ - hash_table_t* table, /* in: hash table */ - ulint fold); /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ /**************************************************************** Reserves all the mutexes of a hash table, in an ascending order. */ UNIV_INTERN void hash_mutex_enter_all( /*=================*/ - hash_table_t* table); /* in: hash table */ + hash_table_t* table); /*!< in: hash table */ /**************************************************************** Releases all the mutexes of a hash table. */ UNIV_INTERN void hash_mutex_exit_all( /*================*/ - hash_table_t* table); /* in: hash table */ + hash_table_t* table); /*!< in: hash table */ #else /* !UNIV_HOTBACKUP */ # define hash_get_heap(table, fold) ((table)->heap) # define hash_mutex_enter(table, fold) ((void) 0) diff --git a/include/hash0hash.ic b/include/hash0hash.ic index 7e0810dc1b0..ba471510c38 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -25,14 +25,14 @@ Created 5/20/1997 Heikki Tuuri #include "ut0rnd.h" /**************************************************************** -Gets the nth cell in a hash table. */ +Gets the nth cell in a hash table. +@return pointer to cell */ UNIV_INLINE hash_cell_t* hash_get_nth_cell( /*==============*/ - /* out: pointer to cell */ - hash_table_t* table, /* in: hash table */ - ulint n) /* in: cell index */ + hash_table_t* table, /*!< in: hash table */ + ulint n) /*!< in: cell index */ { ut_ad(n < table->n_cells); @@ -45,47 +45,47 @@ UNIV_INLINE void hash_table_clear( /*=============*/ - hash_table_t* table) /* in/out: hash table */ + hash_table_t* table) /*!< in/out: hash table */ { memset(table->array, 0x0, table->n_cells * sizeof(*table->array)); } /***************************************************************** -Returns the number of cells in a hash table. */ +Returns the number of cells in a hash table. +@return number of cells */ UNIV_INLINE ulint hash_get_n_cells( /*=============*/ - /* out: number of cells */ - hash_table_t* table) /* in: table */ + hash_table_t* table) /*!< in: table */ { return(table->n_cells); } /****************************************************************** -Calculates the hash value from a folded value. */ +Calculates the hash value from a folded value. +@return hashed value */ UNIV_INLINE ulint hash_calc_hash( /*===========*/ - /* out: hashed value */ - ulint fold, /* in: folded value */ - hash_table_t* table) /* in: hash table */ + ulint fold, /*!< in: folded value */ + hash_table_t* table) /*!< in: hash table */ { return(ut_hash_ulint(fold, table->n_cells)); } #ifndef UNIV_HOTBACKUP /**************************************************************** -Gets the mutex index for a fold value in a hash table. */ +Gets the mutex index for a fold value in a hash table. +@return mutex number */ UNIV_INLINE ulint hash_get_mutex_no( /*==============*/ - /* out: mutex number */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ { ut_ad(ut_is_2pow(table->n_mutexes)); return(ut_2pow_remainder(hash_calc_hash(fold, table), @@ -93,14 +93,14 @@ hash_get_mutex_no( } /**************************************************************** -Gets the nth heap in a hash table. */ +Gets the nth heap in a hash table. +@return mem heap */ UNIV_INLINE mem_heap_t* hash_get_nth_heap( /*==============*/ - /* out: mem heap */ - hash_table_t* table, /* in: hash table */ - ulint i) /* in: index of the heap */ + hash_table_t* table, /*!< in: hash table */ + ulint i) /*!< in: index of the heap */ { ut_ad(i < table->n_mutexes); @@ -108,14 +108,14 @@ hash_get_nth_heap( } /**************************************************************** -Gets the heap for a fold value in a hash table. */ +Gets the heap for a fold value in a hash table. +@return mem heap */ UNIV_INLINE mem_heap_t* hash_get_heap( /*==========*/ - /* out: mem heap */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ { ulint i; @@ -129,14 +129,14 @@ hash_get_heap( } /**************************************************************** -Gets the nth mutex in a hash table. */ +Gets the nth mutex in a hash table. +@return mutex */ UNIV_INLINE mutex_t* hash_get_nth_mutex( /*===============*/ - /* out: mutex */ - hash_table_t* table, /* in: hash table */ - ulint i) /* in: index of the mutex */ + hash_table_t* table, /*!< in: hash table */ + ulint i) /*!< in: index of the mutex */ { ut_ad(i < table->n_mutexes); @@ -144,14 +144,14 @@ hash_get_nth_mutex( } /**************************************************************** -Gets the mutex for a fold value in a hash table. */ +Gets the mutex for a fold value in a hash table. +@return mutex */ UNIV_INLINE mutex_t* hash_get_mutex( /*===========*/ - /* out: mutex */ - hash_table_t* table, /* in: hash table */ - ulint fold) /* in: fold */ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ { ulint i; diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 71b62692818..c19ec0748da 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -104,8 +104,8 @@ UNIV_INTERN void ibuf_bitmap_page_init( /*==================*/ - buf_block_t* block, /* in: bitmap page */ - mtr_t* mtr); /* in: mtr */ + buf_block_t* block, /*!< in: bitmap page */ + mtr_t* mtr); /*!< in: mtr */ /**************************************************************************** Resets the free bits of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict @@ -119,7 +119,7 @@ UNIV_INTERN void ibuf_reset_free_bits( /*=================*/ - buf_block_t* block); /* in: index page; free bits are set to 0 + buf_block_t* block); /*!< in: index page; free bits are set to 0 if the index is a non-clustered non-unique, and page level is 0 */ /**************************************************************************** @@ -139,15 +139,15 @@ UNIV_INLINE void ibuf_update_free_bits_if_full( /*==========================*/ - buf_block_t* block, /* in: index page to which we have added new + buf_block_t* block, /*!< in: index page to which we have added new records; the free bits are updated if the index is non-clustered and non-unique and the page level is 0, and the page becomes fuller */ - ulint max_ins_size,/* in: value of maximum insert size with + ulint max_ins_size,/*!< in: value of maximum insert size with reorganize before the latest operation performed to the page */ - ulint increase);/* in: upper limit for the additional space + ulint increase);/*!< in: upper limit for the additional space used in the latest operation, if known, or ULINT_UNDEFINED */ /************************************************************************** @@ -162,13 +162,13 @@ UNIV_INTERN void ibuf_update_free_bits_low( /*======================*/ - const buf_block_t* block, /* in: index page */ - ulint max_ins_size, /* in: value of + const buf_block_t* block, /*!< in: index page */ + ulint max_ins_size, /*!< in: value of maximum insert size with reorganize before the latest operation performed to the page */ - mtr_t* mtr); /* in/out: mtr */ + mtr_t* mtr); /*!< in/out: mtr */ /************************************************************************** Updates the free bits for a compressed page to reflect the present state. Does this in the mtr given, which means that the latching @@ -181,8 +181,8 @@ UNIV_INTERN void ibuf_update_free_bits_zip( /*======================*/ - buf_block_t* block, /* in/out: index page */ - mtr_t* mtr); /* in/out: mtr */ + buf_block_t* block, /*!< in/out: index page */ + mtr_t* mtr); /*!< in/out: mtr */ /************************************************************************** Updates the free bits for the two pages to reflect the present state. Does this in the mtr given, which means that the latching order rules @@ -194,11 +194,11 @@ UNIV_INTERN void ibuf_update_free_bits_for_two_pages_low( /*====================================*/ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - buf_block_t* block1, /* in: index page */ - buf_block_t* block2, /* in: index page */ - mtr_t* mtr); /* in: mtr */ + buf_block_t* block1, /*!< in: index page */ + buf_block_t* block2, /*!< in: index page */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** A basic partial test if an insert to the insert buffer could be possible and recommended. */ @@ -206,42 +206,41 @@ UNIV_INLINE ibool ibuf_should_try( /*============*/ - dict_index_t* index, /* in: index where to insert */ - ulint ignore_sec_unique); /* in: if != 0, we should + dict_index_t* index, /*!< in: index where to insert */ + ulint ignore_sec_unique); /*!< in: if != 0, we should ignore UNIQUE constraint on a secondary index when we decide */ /********************************************************************** Returns TRUE if the current OS thread is performing an insert buffer -routine. */ +routine. +@return TRUE if inside an insert buffer routine: for instance, a read-ahead of non-ibuf pages is then forbidden */ UNIV_INTERN ibool ibuf_inside(void); /*=============*/ - /* out: TRUE if inside an insert buffer routine: for instance, - a read-ahead of non-ibuf pages is then forbidden */ /*************************************************************************** -Checks if a page address is an ibuf bitmap page (level 3 page) address. */ +Checks if a page address is an ibuf bitmap page (level 3 page) address. +@return TRUE if a bitmap page */ UNIV_INLINE ibool ibuf_bitmap_page( /*=============*/ - /* out: TRUE if a bitmap page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no);/* in: page number */ + ulint page_no);/*!< in: page number */ /*************************************************************************** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. -Must not be called when recv_no_ibuf_operations==TRUE. */ +Must not be called when recv_no_ibuf_operations==TRUE. +@return TRUE if level 2 or level 3 page */ UNIV_INTERN ibool ibuf_page( /*======*/ - /* out: TRUE if level 2 or level 3 page */ - ulint space, /* in: space id */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no,/* in: page number */ - mtr_t* mtr); /* in: mtr which will contain an x-latch to the + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number */ + mtr_t* mtr); /*!< in: mtr which will contain an x-latch to the bitmap page if the page is not one of the fixed address ibuf pages, or NULL, in which case a new transaction is created. */ @@ -256,19 +255,19 @@ ibuf_free_excess_pages(void); /************************************************************************* Buffer an operation in the insert/delete buffer, instead of doing it directly to the disk page, if this is possible. Does not do it if the index -is clustered or unique. */ +is clustered or unique. +@return TRUE if success */ UNIV_INTERN ibool ibuf_insert( /*========*/ - /* out: TRUE if success */ - ibuf_op_t op, /* in: operation type */ - const dtuple_t* entry, /* in: index entry to insert */ - dict_index_t* index, /* in: index where to insert */ - ulint space, /* in: space id where to insert */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no,/* in: page number where to insert */ - que_thr_t* thr); /* in: query thread */ + ibuf_op_t op, /*!< in: operation type */ + const dtuple_t* entry, /*!< in: index entry to insert */ + dict_index_t* index, /*!< in: index where to insert */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* When an index page is read from a disk to the buffer pool, this function applies any buffered operations to the page and deletes the entries from the @@ -280,14 +279,14 @@ UNIV_INTERN void ibuf_merge_or_delete_for_page( /*==========================*/ - buf_block_t* block, /* in: if page has been read from + buf_block_t* block, /*!< in: if page has been read from disk, pointer to the page x-latched, else NULL */ - ulint space, /* in: space id of the index page */ - ulint page_no,/* in: page number of the index page */ - ulint zip_size,/* in: compressed page size in bytes, + ulint space, /*!< in: space id of the index page */ + ulint page_no,/*!< in: page number of the index page */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ibool update_ibuf_bitmap);/* in: normally this is set + ibool update_ibuf_bitmap);/*!< in: normally this is set to TRUE, but if we have deleted or are deleting the tablespace, then we naturally do not want to update a @@ -301,84 +300,77 @@ UNIV_INTERN void ibuf_delete_for_discarded_space( /*============================*/ - ulint space); /* in: space id */ + ulint space); /*!< in: space id */ /************************************************************************* -Contracts insert buffer trees by reading pages to the buffer pool. */ +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ UNIV_INTERN ulint ibuf_contract( /*==========*/ - /* out: a lower limit for the combined size in bytes - of entries which will be merged from ibuf trees to the - pages read, 0 if ibuf is empty */ - ibool sync); /* in: TRUE if the caller wants to wait for the + ibool sync); /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ /************************************************************************* -Contracts insert buffer trees by reading pages to the buffer pool. */ +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ UNIV_INTERN ulint ibuf_contract_for_n_pages( /*======================*/ - /* out: a lower limit for the combined size in bytes - of entries which will be merged from ibuf trees to the - pages read, 0 if ibuf is empty */ - ibool sync, /* in: TRUE if the caller wants to wait for the + ibool sync, /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ - ulint n_pages);/* in: try to read at least this many pages to + ulint n_pages);/*!< in: try to read at least this many pages to the buffer pool and merge the ibuf contents to them */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Parses a redo log record of an ibuf bitmap page init. */ +Parses a redo log record of an ibuf bitmap page init. +@return end of log record or NULL */ UNIV_INTERN byte* ibuf_parse_bitmap_init( /*===================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: block or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ #ifndef UNIV_HOTBACKUP #ifdef UNIV_IBUF_COUNT_DEBUG /********************************************************************** -Gets the ibuf count for a given page. */ +Gets the ibuf count for a given page. +@return number of entries in the insert buffer currently buffered for this page */ UNIV_INTERN ulint ibuf_count_get( /*===========*/ - /* out: number of entries in the insert buffer - currently buffered for this page */ - ulint space, /* in: space id */ - ulint page_no);/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no);/*!< in: page number */ #endif /********************************************************************** -Looks if the insert buffer is empty. */ +Looks if the insert buffer is empty. +@return TRUE if empty */ UNIV_INTERN ibool ibuf_is_empty(void); /*===============*/ - /* out: TRUE if empty */ /********************************************************************** Prints info of ibuf. */ UNIV_INTERN void ibuf_print( /*=======*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /******************************************************************** Read the first two bytes from a record's fourth field (counter field in new -records; something else in older records). */ +records; something else in older records). +@return "counter" field, or ULINT_UNDEFINED if for some reason it can't be read */ UNIV_INTERN ulint ibuf_rec_get_counter( /*=================*/ - /* out: "counter" field, - or ULINT_UNDEFINED if for - some reason it can't be read */ - const rec_t* rec); /* in: ibuf record */ + const rec_t* rec); /*!< in: ibuf record */ #define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO #define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index a9ee0d5e093..1334aac1362 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -74,14 +74,14 @@ UNIV_INTERN void ibuf_set_free_bits_func( /*====================*/ - buf_block_t* block, /* in: index page of a non-clustered index; + buf_block_t* block, /*!< in: index page of a non-clustered index; free bit is reset if page level is 0 */ #ifdef UNIV_IBUF_DEBUG - ulint max_val,/* in: ULINT_UNDEFINED or a maximum + ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum value which the bits must have before setting; this is for debugging */ #endif /* UNIV_IBUF_DEBUG */ - ulint val); /* in: value to set: < 4 */ + ulint val); /*!< in: value to set: < 4 */ #ifdef UNIV_IBUF_DEBUG # define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,max,v) #else /* UNIV_IBUF_DEBUG */ @@ -95,8 +95,8 @@ UNIV_INLINE ibool ibuf_should_try( /*============*/ - dict_index_t* index, /* in: index where to insert */ - ulint ignore_sec_unique) /* in: if != 0, we should + dict_index_t* index, /*!< in: index where to insert */ + ulint ignore_sec_unique) /*!< in: if != 0, we should ignore UNIQUE constraint on a secondary index when we decide */ @@ -119,15 +119,15 @@ ibuf_should_try( } /*************************************************************************** -Checks if a page address is an ibuf bitmap page address. */ +Checks if a page address is an ibuf bitmap page address. +@return TRUE if a bitmap page */ UNIV_INLINE ibool ibuf_bitmap_page( /*=============*/ - /* out: TRUE if a bitmap page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint page_no)/* in: page number */ + ulint page_no)/*!< in: page number */ { ut_ad(ut_is_2pow(zip_size)); @@ -141,15 +141,15 @@ ibuf_bitmap_page( } /************************************************************************* -Translates the free space on a page to a value in the ibuf bitmap.*/ +Translates the free space on a page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ UNIV_INLINE ulint ibuf_index_page_calc_free_bits( /*===========================*/ - /* out: value for ibuf bitmap bits */ - ulint zip_size, /* in: compressed page size in bytes; + ulint zip_size, /*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint max_ins_size) /* in: maximum insert size after reorganize + ulint max_ins_size) /*!< in: maximum insert size after reorganize for the page */ { ulint n; @@ -177,16 +177,15 @@ ibuf_index_page_calc_free_bits( } /************************************************************************* -Translates the ibuf free bits to the free space on a page in bytes. */ +Translates the ibuf free bits to the free space on a page in bytes. +@return maximum insert size after reorganize for the page */ UNIV_INLINE ulint ibuf_index_page_calc_free_from_bits( /*================================*/ - /* out: maximum insert size after reorganize for the - page */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - ulint bits) /* in: value for ibuf bitmap bits */ + ulint bits) /*!< in: value for ibuf bitmap bits */ { ut_ad(bits < 4); ut_ad(ut_is_2pow(zip_size)); @@ -209,15 +208,15 @@ ibuf_index_page_calc_free_from_bits( } /************************************************************************* -Translates the free space on a compressed page to a value in the ibuf bitmap.*/ +Translates the free space on a compressed page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ UNIV_INLINE ulint ibuf_index_page_calc_free_zip( /*==========================*/ - /* out: value for ibuf bitmap bits */ ulint zip_size, - /* in: compressed page size in bytes */ - const buf_block_t* block) /* in: buffer block */ + /*!< in: compressed page size in bytes */ + const buf_block_t* block) /*!< in: buffer block */ { ulint max_ins_size; const page_zip_des_t* page_zip; @@ -243,15 +242,15 @@ ibuf_index_page_calc_free_zip( } /************************************************************************* -Translates the free space on a page to a value in the ibuf bitmap.*/ +Translates the free space on a page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ UNIV_INLINE ulint ibuf_index_page_calc_free( /*======================*/ - /* out: value for ibuf bitmap bits */ - ulint zip_size,/* in: compressed page size in bytes; + ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ - const buf_block_t* block) /* in: buffer block */ + const buf_block_t* block) /*!< in: buffer block */ { ut_ad(zip_size == buf_block_get_zip_size(block)); @@ -284,15 +283,15 @@ UNIV_INLINE void ibuf_update_free_bits_if_full( /*==========================*/ - buf_block_t* block, /* in: index page to which we have added new + buf_block_t* block, /*!< in: index page to which we have added new records; the free bits are updated if the index is non-clustered and non-unique and the page level is 0, and the page becomes fuller */ - ulint max_ins_size,/* in: value of maximum insert size with + ulint max_ins_size,/*!< in: value of maximum insert size with reorganize before the latest operation performed to the page */ - ulint increase)/* in: upper limit for the additional space + ulint increase)/*!< in: upper limit for the additional space used in the latest operation, if known, or ULINT_UNDEFINED */ { diff --git a/include/lock0iter.h b/include/lock0iter.h index 3cd47bb95d2..013aa65dcdc 100644 --- a/include/lock0iter.h +++ b/include/lock0iter.h @@ -49,20 +49,20 @@ UNIV_INTERN void lock_queue_iterator_reset( /*======================*/ - lock_queue_iterator_t* iter, /* out: iterator */ - const lock_t* lock, /* in: lock to start from */ - ulint bit_no);/* in: record number in the + lock_queue_iterator_t* iter, /*!< out: iterator */ + const lock_t* lock, /*!< in: lock to start from */ + ulint bit_no);/*!< in: record number in the heap */ /*********************************************************************** Gets the previous lock in the lock queue, returns NULL if there are no more locks (i.e. the current lock is the first one). The iterator is -receded (if not-NULL is returned). */ +receded (if not-NULL is returned). +@return previous lock or NULL */ const lock_t* lock_queue_iterator_get_prev( /*=========================*/ - /* out: previous lock or NULL */ - lock_queue_iterator_t* iter); /* in/out: iterator */ + lock_queue_iterator_t* iter); /*!< in/out: iterator */ #endif /* lock0iter_h */ diff --git a/include/lock0lock.h b/include/lock0lock.h index 2de8708fdc9..48a416b9701 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -44,41 +44,38 @@ extern ibool lock_print_waits; extern FILE* lock_latest_err_file; /************************************************************************* -Gets the size of a lock struct. */ +Gets the size of a lock struct. +@return size in bytes */ UNIV_INTERN ulint lock_get_size(void); /*===============*/ - /* out: size in bytes */ /************************************************************************* Creates the lock system at database start. */ UNIV_INTERN void lock_sys_create( /*============*/ - ulint n_cells); /* in: number of slots in lock hash table */ + ulint n_cells); /*!< in: number of slots in lock hash table */ /************************************************************************* Checks if some transaction has an implicit x-lock on a record in a clustered -index. */ +index. +@return transaction which has the x-lock, or NULL */ UNIV_INLINE trx_t* lock_clust_rec_some_has_impl( /*=========================*/ - /* out: transaction which has the x-lock, or - NULL */ - const rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets);/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ /************************************************************************* -Gets the heap_no of the smallest user record on a page. */ +Gets the heap_no of the smallest user record on a page. +@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ UNIV_INLINE ulint lock_get_min_heap_no( /*=================*/ - /* out: heap_no of smallest - user record, or - PAGE_HEAP_NO_SUPREMUM */ - const buf_block_t* block); /* in: buffer block */ + const buf_block_t* block); /*!< in: buffer block */ /***************************************************************** Updates the lock table when we have reorganized a page. NOTE: we copy also the locks set on the infimum of the page; the infimum may carry @@ -88,9 +85,9 @@ UNIV_INTERN void lock_move_reorganize_page( /*======================*/ - const buf_block_t* block, /* in: old index page, now + const buf_block_t* block, /*!< in: old index page, now reorganized */ - const buf_block_t* oblock);/* in: copy of the old, not + const buf_block_t* oblock);/*!< in: copy of the old, not reorganized page */ /***************************************************************** Moves the explicit locks on user records to another page if a record @@ -99,9 +96,9 @@ UNIV_INTERN void lock_move_rec_list_end( /*===================*/ - const buf_block_t* new_block, /* in: index page to move to */ - const buf_block_t* block, /* in: index page */ - const rec_t* rec); /* in: record on page: this + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec); /*!< in: record on page: this is the first record moved */ /***************************************************************** Moves the explicit locks on user records to another page if a record @@ -110,12 +107,12 @@ UNIV_INTERN void lock_move_rec_list_start( /*=====================*/ - const buf_block_t* new_block, /* in: index page to move to */ - const buf_block_t* block, /* in: index page */ - const rec_t* rec, /* in: record on page: + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec, /*!< in: record on page: this is the first record NOT copied */ - const rec_t* old_end); /* in: old + const rec_t* old_end); /*!< in: old previous-to-last record on new_page before the records @@ -126,21 +123,21 @@ UNIV_INTERN void lock_update_split_right( /*====================*/ - const buf_block_t* right_block, /* in: right page */ - const buf_block_t* left_block); /* in: left page */ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block); /*!< in: left page */ /***************************************************************** Updates the lock table when a page is merged to the right. */ UNIV_INTERN void lock_update_merge_right( /*====================*/ - const buf_block_t* right_block, /* in: right page to + const buf_block_t* right_block, /*!< in: right page to which merged */ - const rec_t* orig_succ, /* in: original + const rec_t* orig_succ, /*!< in: original successor of infimum on the right page before merge */ - const buf_block_t* left_block); /* in: merged index + const buf_block_t* left_block); /*!< in: merged index page which will be discarded */ /***************************************************************** @@ -154,8 +151,8 @@ UNIV_INTERN void lock_update_root_raise( /*===================*/ - const buf_block_t* block, /* in: index page to which copied */ - const buf_block_t* root); /* in: root page */ + const buf_block_t* block, /*!< in: index page to which copied */ + const buf_block_t* root); /*!< in: root page */ /***************************************************************** Updates the lock table when a page is copied to another and the original page is removed from the chain of leaf pages, except if page is the root! */ @@ -163,9 +160,9 @@ UNIV_INTERN void lock_update_copy_and_discard( /*=========================*/ - const buf_block_t* new_block, /* in: index page to + const buf_block_t* new_block, /*!< in: index page to which copied */ - const buf_block_t* block); /* in: index page; + const buf_block_t* block); /*!< in: index page; NOT the root! */ /***************************************************************** Updates the lock table when a page is split to the left. */ @@ -173,20 +170,20 @@ UNIV_INTERN void lock_update_split_left( /*===================*/ - const buf_block_t* right_block, /* in: right page */ - const buf_block_t* left_block); /* in: left page */ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block); /*!< in: left page */ /***************************************************************** Updates the lock table when a page is merged to the left. */ UNIV_INTERN void lock_update_merge_left( /*===================*/ - const buf_block_t* left_block, /* in: left page to + const buf_block_t* left_block, /*!< in: left page to which merged */ - const rec_t* orig_pred, /* in: original predecessor + const rec_t* orig_pred, /*!< in: original predecessor of supremum on the left page before merge */ - const buf_block_t* right_block); /* in: merged index page + const buf_block_t* right_block); /*!< in: merged index page which will be discarded */ /***************************************************************** Resets the original locks on heir and replaces them with gap type locks @@ -195,15 +192,15 @@ UNIV_INTERN void lock_rec_reset_and_inherit_gap_locks( /*=================================*/ - const buf_block_t* heir_block, /* in: block containing the + const buf_block_t* heir_block, /*!< in: block containing the record which inherits */ - const buf_block_t* block, /* in: block containing the + const buf_block_t* block, /*!< in: block containing the record from which inherited; does NOT reset the locks on this record */ - ulint heir_heap_no, /* in: heap_no of the + ulint heir_heap_no, /*!< in: heap_no of the inheriting record */ - ulint heap_no); /* in: heap_no of the + ulint heap_no); /*!< in: heap_no of the donating record */ /***************************************************************** Updates the lock table when a page is discarded. */ @@ -211,11 +208,11 @@ UNIV_INTERN void lock_update_discard( /*================*/ - const buf_block_t* heir_block, /* in: index page + const buf_block_t* heir_block, /*!< in: index page which will inherit the locks */ - ulint heir_heap_no, /* in: heap_no of the record + ulint heir_heap_no, /*!< in: heap_no of the record which will inherit the locks */ - const buf_block_t* block); /* in: index page + const buf_block_t* block); /*!< in: index page which will be discarded */ /***************************************************************** Updates the lock table when a new user record is inserted. */ @@ -223,16 +220,16 @@ UNIV_INTERN void lock_update_insert( /*===============*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec); /* in: the inserted record */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: the inserted record */ /***************************************************************** Updates the lock table when a record is removed. */ UNIV_INTERN void lock_update_delete( /*===============*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec); /* in: the record to be removed */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: the record to be removed */ /************************************************************************* Stores on the page infimum record the explicit locks of another record. This function is used to store the lock state of a record when it is @@ -244,8 +241,8 @@ UNIV_INTERN void lock_rec_store_on_page_infimum( /*===========================*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec); /* in: record whose lock state + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: record whose lock state is stored on the infimum record of the same page; lock bits are reset on the @@ -257,44 +254,42 @@ UNIV_INTERN void lock_rec_restore_from_page_infimum( /*===============================*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec, /* in: record whose lock state + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record whose lock state is restored */ - const buf_block_t* donator);/* in: page (rec is not + const buf_block_t* donator);/*!< in: page (rec is not necessarily on this page) whose infimum stored the lock state; lock bits are reset on the infimum */ /************************************************************************* -Returns TRUE if there are explicit record locks on a page. */ +Returns TRUE if there are explicit record locks on a page. +@return TRUE if there are explicit record locks on the page */ UNIV_INTERN ibool lock_rec_expl_exist_on_page( /*========================*/ - /* out: TRUE if there are explicit record locks on - the page */ - ulint space, /* in: space id */ - ulint page_no);/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no);/*!< in: page number */ /************************************************************************* Checks if locks of other transactions prevent an immediate insert of a record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request -for a gap x-lock to the lock queue. */ +for a gap x-lock to the lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_rec_insert_check_and_lock( /*===========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const rec_t* rec, /* in: record after which to insert */ - buf_block_t* block, /* in/out: buffer block of rec */ - dict_index_t* index, /* in: index */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr, /* in/out: mini-transaction */ - ibool* inherit);/* out: set to TRUE if the new + const rec_t* rec, /*!< in: record after which to insert */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + dict_index_t* index, /*!< in: index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit);/*!< out: set to TRUE if the new inserted record maybe should inherit LOCK_GAP type locks from the successor record */ @@ -304,100 +299,93 @@ delete mark, or delete unmark) of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record x-lock to the -lock queue. */ +lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_modify_check_and_lock( /*=================================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: record which should be + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be modified */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - que_thr_t* thr); /* in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* Checks if locks of other transactions prevent an immediate modify -(delete mark or delete unmark) of a secondary index record. */ +(delete mark or delete unmark) of a secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_sec_rec_modify_check_and_lock( /*===============================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - buf_block_t* block, /* in/out: buffer block of rec */ - const rec_t* rec, /* in: record which should be + buf_block_t* block, /*!< in/out: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be modified; NOTE: as this is a secondary index, we always have to modify the clustered index record first: see the comment below */ - dict_index_t* index, /* in: secondary index */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr); /* in/out: mini-transaction */ + dict_index_t* index, /*!< in: secondary index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in/out: mini-transaction */ /************************************************************************* Like the counterpart for a clustered index below, but now we read a -secondary index record. */ +secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_sec_rec_read_check_and_lock( /*=============================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: secondary index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. */ +lock on the record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_read_check_and_lock( /*===============================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests @@ -406,88 +394,72 @@ puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode lock on the record. This is an alternative version of lock_clust_rec_read_check_and_lock() that does not require the parameter -"offsets". */ +"offsets". +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_read_check_and_lock_alt( /*===================================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: clustered index */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* -Checks that a record is seen in a consistent read. */ +Checks that a record is seen in a consistent read. +@return TRUE if sees, or FALSE if an earlier version of the record should be retrieved */ UNIV_INTERN ibool lock_clust_rec_cons_read_sees( /*==========================*/ - /* out: TRUE if sees, or FALSE if an earlier - version of the record should be retrieved */ - const rec_t* rec, /* in: user record which should be read or + const rec_t* rec, /*!< in: user record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - read_view_t* view); /* in: consistent read view */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + read_view_t* view); /*!< in: consistent read view */ /************************************************************************* -Checks that a non-clustered index record is seen in a consistent read. */ +Checks that a non-clustered index record is seen in a consistent read. +@return TRUE if certainly sees, or FALSE if an earlier version of the clustered index record might be needed: NOTE that a non-clustered index page contains so little information on its modifications that also in the case FALSE, the present version of rec may be the right, but we must check this from the clustered index record */ UNIV_INTERN ulint lock_sec_rec_cons_read_sees( /*========================*/ - /* out: TRUE if certainly - sees, or FALSE if an earlier - version of the clustered index - record might be needed: NOTE - that a non-clustered index - page contains so little - information on its - modifications that also in the - case FALSE, the present - version of rec may be the - right, but we must check this - from the clustered index - record */ - const rec_t* rec, /* in: user record which + const rec_t* rec, /*!< in: user record which should be read or passed over by a read cursor */ - const read_view_t* view); /* in: consistent read view */ + const read_view_t* view); /*!< in: consistent read view */ /************************************************************************* Locks the specified database table in the mode given. If the lock cannot -be granted immediately, the query thread is put to wait. */ +be granted immediately, the query thread is put to wait. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_table( /*=======*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - dict_table_t* table, /* in: database table in dictionary cache */ - enum lock_mode mode, /* in: lock mode */ - que_thr_t* thr); /* in: query thread */ + dict_table_t* table, /*!< in: database table in dictionary cache */ + enum lock_mode mode, /*!< in: lock mode */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* -Checks if there are any locks set on the table. */ +Checks if there are any locks set on the table. +@return TRUE if there are lock(s) */ UNIV_INTERN ibool lock_is_on_table( /*=============*/ - /* out: TRUE if there are lock(s) */ - dict_table_t* table); /* in: database table in dictionary cache */ + dict_table_t* table); /*!< in: database table in dictionary cache */ /***************************************************************** Removes a granted record lock of a transaction from the queue and grants locks to other transactions waiting in the queue if they now are entitled @@ -496,11 +468,11 @@ UNIV_INTERN void lock_rec_unlock( /*============*/ - trx_t* trx, /* in: transaction that has + trx_t* trx, /*!< in: transaction that has set a record lock */ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec, /* in: record */ - enum lock_mode lock_mode);/* in: LOCK_S or LOCK_X */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record */ + enum lock_mode lock_mode);/*!< in: LOCK_S or LOCK_X */ /************************************************************************* Releases a table lock. Releases possible other transactions waiting for this lock. */ @@ -508,7 +480,7 @@ UNIV_INTERN void lock_table_unlock( /*==============*/ - lock_t* lock); /* in: lock */ + lock_t* lock); /*!< in: lock */ /************************************************************************* Releases transaction locks, and releases possible other transactions waiting because of these locks. */ @@ -516,7 +488,7 @@ UNIV_INTERN void lock_release_off_kernel( /*====================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /************************************************************************* Cancels a waiting lock request and releases possible other transactions waiting behind it. */ @@ -524,7 +496,7 @@ UNIV_INTERN void lock_cancel_waiting_and_release( /*============================*/ - lock_t* lock); /* in: waiting lock request */ + lock_t* lock); /*!< in: waiting lock request */ /************************************************************************* Removes locks on a table to be dropped or truncated. @@ -535,96 +507,89 @@ UNIV_INTERN void lock_remove_all_on_table( /*=====================*/ - dict_table_t* table, /* in: table to be dropped + dict_table_t* table, /*!< in: table to be dropped or truncated */ - ibool remove_also_table_sx_locks);/* in: also removes + ibool remove_also_table_sx_locks);/*!< in: also removes table S and X locks */ /************************************************************************* Calculates the fold value of a page file address: used in inserting or -searching for a lock in the hash table. */ +searching for a lock in the hash table. +@return folded value */ UNIV_INLINE ulint lock_rec_fold( /*==========*/ - /* out: folded value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ __attribute__((const)); /************************************************************************* Calculates the hash value of a page file address: used in inserting or -searching for a lock in the hash table. */ +searching for a lock in the hash table. +@return hashed value */ UNIV_INLINE ulint lock_rec_hash( /*==========*/ - /* out: hashed value */ - ulint space, /* in: space */ - ulint page_no);/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no);/*!< in: page number */ /************************************************************************** Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. */ +if none found. +@return bit index == heap number of the record, or ULINT_UNDEFINED if none found */ UNIV_INTERN ulint lock_rec_find_set_bit( /*==================*/ - /* out: bit index == heap number of - the record, or ULINT_UNDEFINED if none found */ - const lock_t* lock); /* in: record lock with at least one bit set */ + const lock_t* lock); /*!< in: record lock with at least one bit set */ /************************************************************************* Gets the source table of an ALTER TABLE transaction. The table must be -covered by an IX or IS table lock. */ +covered by an IX or IS table lock. +@return the source table of transaction, if it is covered by an IX or IS table lock; dest if there is no source table, and NULL if the transaction is locking more than two tables or an inconsistency is found */ UNIV_INTERN dict_table_t* lock_get_src_table( /*===============*/ - /* out: the source table of transaction, - if it is covered by an IX or IS table lock; - dest if there is no source table, and - NULL if the transaction is locking more than - two tables or an inconsistency is found */ - trx_t* trx, /* in: transaction */ - dict_table_t* dest, /* in: destination of ALTER TABLE */ - enum lock_mode* mode); /* out: lock mode of the source table */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* dest, /*!< in: destination of ALTER TABLE */ + enum lock_mode* mode); /*!< out: lock mode of the source table */ /************************************************************************* Determine if the given table is exclusively "owned" by the given transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC -on the table. */ +on the table. +@return TRUE if table is only locked by trx, with LOCK_IX, and possibly LOCK_AUTO_INC */ UNIV_INTERN ibool lock_is_table_exclusive( /*====================*/ - /* out: TRUE if table is only locked by trx, - with LOCK_IX, and possibly LOCK_AUTO_INC */ - dict_table_t* table, /* in: table */ - trx_t* trx); /* in: transaction */ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction */ /************************************************************************* -Checks if a lock request lock1 has to wait for request lock2. */ +Checks if a lock request lock1 has to wait for request lock2. +@return TRUE if lock1 has to wait for lock2 to be removed */ UNIV_INTERN ibool lock_has_to_wait( /*=============*/ - /* out: TRUE if lock1 has to wait for - lock2 to be removed */ - const lock_t* lock1, /* in: waiting lock */ - const lock_t* lock2); /* in: another lock; NOTE that it is + const lock_t* lock1, /*!< in: waiting lock */ + const lock_t* lock2); /*!< in: another lock; NOTE that it is assumed that this has a lock bit set on the same record as in lock1 if the locks are record locks */ /************************************************************************* -Checks that a transaction id is sensible, i.e., not in the future. */ +Checks that a transaction id is sensible, i.e., not in the future. +@return TRUE if ok */ UNIV_INTERN ibool lock_check_trx_id_sanity( /*=====================*/ - /* out: TRUE if ok */ - trx_id_t trx_id, /* in: trx id */ - const rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets, /* in: rec_get_offsets(rec, index) */ - ibool has_kernel_mutex);/* in: TRUE if the caller owns the + trx_id_t trx_id, /*!< in: trx id */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ibool has_kernel_mutex);/*!< in: TRUE if the caller owns the kernel mutex */ /************************************************************************* Prints info of a table lock. */ @@ -632,30 +597,30 @@ UNIV_INTERN void lock_table_print( /*=============*/ - FILE* file, /* in: file where to print */ - const lock_t* lock); /* in: table type lock */ + FILE* file, /*!< in: file where to print */ + const lock_t* lock); /*!< in: table type lock */ /************************************************************************* Prints info of a record lock. */ UNIV_INTERN void lock_rec_print( /*===========*/ - FILE* file, /* in: file where to print */ - const lock_t* lock); /* in: record type lock */ + FILE* file, /*!< in: file where to print */ + const lock_t* lock); /*!< in: record type lock */ /************************************************************************* Prints info of locks for all transactions. */ UNIV_INTERN void lock_print_info_summary( /*====================*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /************************************************************************* Prints info of locks for each transaction. */ UNIV_INTERN void lock_print_info_all_transactions( /*=============================*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /************************************************************************* Return approximate number or record locks (bits set in the bitmap) for this transaction. Since delete-marked records may be removed, the @@ -664,109 +629,109 @@ UNIV_INTERN ulint lock_number_of_rows_locked( /*=======================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /*********************************************************************** Release all the transaction's autoinc locks. */ UNIV_INTERN void lock_release_autoinc_locks( /*=======================*/ - trx_t* trx); /* in/out: transaction */ + trx_t* trx); /*!< in/out: transaction */ /*********************************************************************** Gets the type of a lock. Non-inline version for using outside of the -lock module. */ +lock module. +@return LOCK_TABLE or LOCK_REC */ UNIV_INTERN ulint lock_get_type( /*==========*/ - /* out: LOCK_TABLE or LOCK_REC */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** -Gets the id of the transaction owning a lock. */ +Gets the id of the transaction owning a lock. +@return transaction id */ UNIV_INTERN ullint lock_get_trx_id( /*============*/ - /* out: transaction id */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** Gets the mode of a lock in a human readable string. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return lock mode */ const char* lock_get_mode_str( /*==============*/ - /* out: lock mode */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** Gets the type of a lock in a human readable string. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return lock type */ const char* lock_get_type_str( /*==============*/ - /* out: lock type */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** -Gets the id of the table on which the lock is. */ +Gets the id of the table on which the lock is. +@return id of the table */ UNIV_INTERN ullint lock_get_table_id( /*==============*/ - /* out: id of the table */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** Gets the name of the table on which the lock is. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return name of the table */ const char* lock_get_table_name( /*================*/ - /* out: name of the table */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** -For a record lock, gets the index on which the lock is. */ +For a record lock, gets the index on which the lock is. +@return index */ const dict_index_t* lock_rec_get_index( /*===============*/ - /* out: index */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** For a record lock, gets the name of the index on which the lock is. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return name of the index */ const char* lock_rec_get_index_name( /*====================*/ - /* out: name of the index */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** -For a record lock, gets the tablespace number on which the lock is. */ +For a record lock, gets the tablespace number on which the lock is. +@return tablespace number */ UNIV_INTERN ulint lock_rec_get_space_id( /*==================*/ - /* out: tablespace number */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /*********************************************************************** -For a record lock, gets the page number on which the lock is. */ +For a record lock, gets the page number on which the lock is. +@return page number */ UNIV_INTERN ulint lock_rec_get_page_no( /*=================*/ - /* out: page number */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /* Lock modes and types */ #define LOCK_MODE_MASK 0xFUL /* mask used to extract mode from the diff --git a/include/lock0lock.ic b/include/lock0lock.ic index 56fea346eb3..9d1623bfc61 100644 --- a/include/lock0lock.ic +++ b/include/lock0lock.ic @@ -39,28 +39,28 @@ Created 5/7/1996 Heikki Tuuri /************************************************************************* Calculates the fold value of a page file address: used in inserting or -searching for a lock in the hash table. */ +searching for a lock in the hash table. +@return folded value */ UNIV_INLINE ulint lock_rec_fold( /*==========*/ - /* out: folded value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { return(ut_fold_ulint_pair(space, page_no)); } /************************************************************************* Calculates the hash value of a page file address: used in inserting or -searching for a lock in the hash table. */ +searching for a lock in the hash table. +@return hashed value */ UNIV_INLINE ulint lock_rec_hash( /*==========*/ - /* out: hashed value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { return(hash_calc_hash(lock_rec_fold(space, page_no), lock_sys->rec_hash)); @@ -68,16 +68,15 @@ lock_rec_hash( /************************************************************************* Checks if some transaction has an implicit x-lock on a record in a clustered -index. */ +index. +@return transaction which has the x-lock, or NULL */ UNIV_INLINE trx_t* lock_clust_rec_some_has_impl( /*=========================*/ - /* out: transaction which has the x-lock, or - NULL */ - const rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { trx_id_t trx_id; @@ -97,15 +96,13 @@ lock_clust_rec_some_has_impl( } /************************************************************************* -Gets the heap_no of the smallest user record on a page. */ +Gets the heap_no of the smallest user record on a page. +@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ UNIV_INLINE ulint lock_get_min_heap_no( /*=================*/ - /* out: heap_no of smallest - user record, or - PAGE_HEAP_NO_SUPREMUM */ - const buf_block_t* block) /* in: buffer block */ + const buf_block_t* block) /*!< in: buffer block */ { const page_t* page = block->frame; diff --git a/include/lock0priv.h b/include/lock0priv.h index 0a0d41e6aaa..83ace6dc8ad 100644 --- a/include/lock0priv.h +++ b/include/lock0priv.h @@ -80,24 +80,23 @@ struct lock_struct { }; /************************************************************************* -Gets the type of a lock. */ +Gets the type of a lock. +@return LOCK_TABLE or LOCK_REC */ UNIV_INLINE ulint lock_get_type_low( /*==============*/ - /* out: LOCK_TABLE or LOCK_REC */ - const lock_t* lock); /* in: lock */ + const lock_t* lock); /*!< in: lock */ /************************************************************************* -Gets the previous record lock set on a record. */ +Gets the previous record lock set on a record. +@return previous lock on the same record, NULL if none exists */ const lock_t* lock_rec_get_prev( /*==============*/ - /* out: previous lock on the same - record, NULL if none exists */ - const lock_t* in_lock,/* in: record lock */ - ulint heap_no);/* in: heap number of the record */ + const lock_t* in_lock,/*!< in: record lock */ + ulint heap_no);/*!< in: heap number of the record */ #ifndef UNIV_NONINL #include "lock0priv.ic" diff --git a/include/lock0priv.ic b/include/lock0priv.ic index ae633a4fc61..36b1aa43d46 100644 --- a/include/lock0priv.ic +++ b/include/lock0priv.ic @@ -32,13 +32,13 @@ methods but they are used only in that file. */ #endif /************************************************************************* -Gets the type of a lock. */ +Gets the type of a lock. +@return LOCK_TABLE or LOCK_REC */ UNIV_INLINE ulint lock_get_type_low( /*==============*/ - /* out: LOCK_TABLE or LOCK_REC */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_ad(lock); diff --git a/include/log0log.h b/include/log0log.h index c9b1ef34789..13572a73892 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -58,39 +58,38 @@ UNIV_INTERN void log_fsp_current_free_limit_set_and_checkpoint( /*==========================================*/ - ulint limit); /* in: limit to set */ + ulint limit); /*!< in: limit to set */ #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** -Calculates where in log files we find a specified lsn. */ +Calculates where in log files we find a specified lsn. +@return log file number */ UNIV_INTERN ulint log_calc_where_lsn_is( /*==================*/ - /* out: log file number */ - ib_int64_t* log_file_offset, /* out: offset in that file + ib_int64_t* log_file_offset, /*!< out: offset in that file (including the header) */ - ib_uint64_t first_header_lsn, /* in: first log file start + ib_uint64_t first_header_lsn, /*!< in: first log file start lsn */ - ib_uint64_t lsn, /* in: lsn whose position to + ib_uint64_t lsn, /*!< in: lsn whose position to determine */ - ulint n_log_files, /* in: total number of log + ulint n_log_files, /*!< in: total number of log files */ - ib_int64_t log_file_size); /* in: log file size + ib_int64_t log_file_size); /*!< in: log file size (including the header) */ #ifndef UNIV_HOTBACKUP /**************************************************************** Writes to the log the string given. The log must be released with -log_release. */ +log_release. +@return end lsn of the log record, zero if did not succeed */ UNIV_INLINE ib_uint64_t log_reserve_and_write_fast( /*=======================*/ - /* out: end lsn of the log record, - zero if did not succeed */ - byte* str, /* in: string */ - ulint len, /* in: string length */ - ib_uint64_t* start_lsn,/* out: start lsn of the log record */ - ibool* success);/* out: TRUE if success */ + byte* str, /*!< in: string */ + ulint len, /*!< in: string length */ + ib_uint64_t* start_lsn,/*!< out: start lsn of the log record */ + ibool* success);/*!< out: TRUE if success */ /*************************************************************************** Releases the log mutex. */ UNIV_INLINE @@ -108,13 +107,13 @@ log_free_check(void); /*================*/ /**************************************************************** Opens the log for log_write_low. The log must be closed with log_close and -released with log_release. */ +released with log_release. +@return start lsn of the log record */ UNIV_INTERN ib_uint64_t log_reserve_and_open( /*=================*/ - /* out: start lsn of the log record */ - ulint len); /* in: length of data to be catenated */ + ulint len); /*!< in: length of data to be catenated */ /**************************************************************** Writes to the log the string given. It is assumed that the caller holds the log mutex. */ @@ -122,22 +121,22 @@ UNIV_INTERN void log_write_low( /*==========*/ - byte* str, /* in: string */ - ulint str_len); /* in: string length */ + byte* str, /*!< in: string */ + ulint str_len); /*!< in: string length */ /**************************************************************** -Closes the log. */ +Closes the log. +@return lsn */ UNIV_INTERN ib_uint64_t log_close(void); /*===========*/ - /* out: lsn */ /**************************************************************** -Gets the current lsn. */ +Gets the current lsn. +@return current lsn */ UNIV_INLINE ib_uint64_t log_get_lsn(void); /*=============*/ - /* out: current lsn */ /********************************************************** Initializes the log. */ UNIV_INTERN @@ -150,13 +149,13 @@ UNIV_INTERN void log_group_init( /*===========*/ - ulint id, /* in: group id */ - ulint n_files, /* in: number of log files */ - ulint file_size, /* in: log file size in bytes */ - ulint space_id, /* in: space id of the file space + ulint id, /*!< in: group id */ + ulint n_files, /*!< in: number of log files */ + ulint file_size, /*!< in: log file size in bytes */ + ulint space_id, /*!< in: space id of the file space which contains the log files of this group */ - ulint archive_space_id); /* in: space id of the file space + ulint archive_space_id); /*!< in: space id of the file space which contains some archived log files for this group; currently, only for the first log group this is @@ -167,7 +166,7 @@ UNIV_INTERN void log_io_complete( /*============*/ - log_group_t* group); /* in: log group */ + log_group_t* group); /*!< in: log group */ /********************************************************** This function is called, e.g., when a transaction wants to commit. It checks that the log has been written to the log file up to the last log entry written @@ -177,13 +176,13 @@ UNIV_INTERN void log_write_up_to( /*============*/ - ib_uint64_t lsn, /* in: log sequence number up to which + ib_uint64_t lsn, /*!< in: log sequence number up to which the log should be written, IB_ULONGLONG_MAX if not specified */ - ulint wait, /* in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, + ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, or LOG_WAIT_ALL_GROUPS */ ibool flush_to_disk); - /* in: TRUE if we want the written log + /*!< in: TRUE if we want the written log also to be flushed to disk */ /******************************************************************** Does a syncronous flush of the log buffer to disk. */ @@ -194,35 +193,30 @@ log_buffer_flush_to_disk(void); /******************************************************************** Advances the smallest lsn for which there are unflushed dirty blocks in the buffer pool and also may make a new checkpoint. NOTE: this function may only -be called if the calling thread owns no synchronization objects! */ +be called if the calling thread owns no synchronization objects! +@return FALSE if there was a flush batch of the same type running, which means that we could not start this flush batch */ UNIV_INTERN ibool log_preflush_pool_modified_pages( /*=============================*/ - /* out: FALSE if there was a - flush batch of the same type - running, which means that we - could not start this flush - batch */ - ib_uint64_t new_oldest, /* in: try to advance + ib_uint64_t new_oldest, /*!< in: try to advance oldest_modified_lsn at least to this lsn */ - ibool sync); /* in: TRUE if synchronous + ibool sync); /*!< in: TRUE if synchronous operation is desired */ /********************************************************** Makes a checkpoint. Note that this function does not flush dirty blocks from the buffer pool: it only checks what is lsn of the oldest modification in the pool, and writes information about the lsn in -log files. Use log_make_checkpoint_at to flush also the pool. */ +log files. Use log_make_checkpoint_at to flush also the pool. +@return TRUE if success, FALSE if a checkpoint write was already running */ UNIV_INTERN ibool log_checkpoint( /*===========*/ - /* out: TRUE if success, FALSE if a checkpoint - write was already running */ - ibool sync, /* in: TRUE if synchronous operation is + ibool sync, /*!< in: TRUE if synchronous operation is desired */ - ibool write_always); /* in: the function normally checks if the + ibool write_always); /*!< in: the function normally checks if the the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; by setting this @@ -234,10 +228,10 @@ UNIV_INTERN void log_make_checkpoint_at( /*===================*/ - ib_uint64_t lsn, /* in: make a checkpoint at this or a + ib_uint64_t lsn, /*!< in: make a checkpoint at this or a later lsn, if IB_ULONGLONG_MAX, makes a checkpoint at the latest lsn */ - ibool write_always); /* in: the function normally checks if + ibool write_always); /*!< in: the function normally checks if the the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; @@ -259,18 +253,18 @@ UNIV_INTERN void log_group_read_checkpoint_info( /*===========================*/ - log_group_t* group, /* in: log group */ - ulint field); /* in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ + log_group_t* group, /*!< in: log group */ + ulint field); /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ /*********************************************************************** Gets info from a checkpoint about a log group. */ UNIV_INTERN void log_checkpoint_get_nth_group_info( /*==============================*/ - const byte* buf, /* in: buffer containing checkpoint info */ - ulint n, /* in: nth slot */ - ulint* file_no,/* out: archived file number */ - ulint* offset);/* out: archived file offset */ + const byte* buf, /*!< in: buffer containing checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint* file_no,/*!< out: archived file number */ + ulint* offset);/*!< out: archived file offset */ /********************************************************** Writes checkpoint info to groups. */ UNIV_INTERN @@ -278,57 +272,56 @@ void log_groups_write_checkpoint_info(void); /*==================================*/ /************************************************************************ -Starts an archiving operation. */ +Starts an archiving operation. +@return TRUE if succeed, FALSE if an archiving operation was already running */ UNIV_INTERN ibool log_archive_do( /*===========*/ - /* out: TRUE if succeed, FALSE if an archiving - operation was already running */ - ibool sync, /* in: TRUE if synchronous operation is desired */ - ulint* n_bytes);/* out: archive log buffer size, 0 if nothing to + ibool sync, /*!< in: TRUE if synchronous operation is desired */ + ulint* n_bytes);/*!< out: archive log buffer size, 0 if nothing to archive */ /******************************************************************** Writes the log contents to the archive up to the lsn when this function was called, and stops the archiving. When archiving is started again, the archived log file numbers start from a number one higher, so that the archiving will not write again to the archived log files which exist when this function -returns. */ +returns. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_stop(void); /*==================*/ - /* out: DB_SUCCESS or DB_ERROR */ /******************************************************************** -Starts again archiving which has been stopped. */ +Starts again archiving which has been stopped. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_start(void); /*===================*/ - /* out: DB_SUCCESS or DB_ERROR */ /******************************************************************** -Stop archiving the log so that a gap may occur in the archived log files. */ +Stop archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_noarchivelog(void); /*==========================*/ - /* out: DB_SUCCESS or DB_ERROR */ /******************************************************************** -Start archiving the log so that a gap may occur in the archived log files. */ +Start archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_archivelog(void); /*========================*/ - /* out: DB_SUCCESS or DB_ERROR */ /********************************************************** Generates an archived log file name. */ UNIV_INTERN void log_archived_file_name_gen( /*=======================*/ - char* buf, /* in: buffer where to write */ - ulint id, /* in: group id */ - ulint file_no);/* in: file number */ + char* buf, /*!< in: buffer where to write */ + ulint id, /*!< in: group id */ + ulint file_no);/*!< in: file number */ #else /* !UNIV_HOTBACKUP */ /********************************************************** Writes info to a buffer of a log group when log files are created in @@ -337,9 +330,9 @@ UNIV_INTERN void log_reset_first_header_and_checkpoint( /*==================================*/ - byte* hdr_buf,/* in: buffer which will be written to the + byte* hdr_buf,/*!< in: buffer which will be written to the start of the first log file */ - ib_uint64_t start); /* in: lsn of the start of the first log file; + ib_uint64_t start); /*!< in: lsn of the start of the first log file; we pretend that there is a checkpoint at start + LOG_BLOCK_HDR_SIZE */ #endif /* !UNIV_HOTBACKUP */ @@ -359,25 +352,25 @@ UNIV_INTERN void log_group_read_log_seg( /*===================*/ - ulint type, /* in: LOG_ARCHIVE or LOG_RECOVER */ - byte* buf, /* in: buffer where to read */ - log_group_t* group, /* in: log group */ - ib_uint64_t start_lsn, /* in: read area start */ - ib_uint64_t end_lsn); /* in: read area end */ + ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ + byte* buf, /*!< in: buffer where to read */ + log_group_t* group, /*!< in: log group */ + ib_uint64_t start_lsn, /*!< in: read area start */ + ib_uint64_t end_lsn); /*!< in: read area end */ /********************************************************** Writes a buffer to a log file group. */ UNIV_INTERN void log_group_write_buf( /*================*/ - log_group_t* group, /* in: log group */ - byte* buf, /* in: buffer */ - ulint len, /* in: buffer len; must be divisible + log_group_t* group, /*!< in: log group */ + byte* buf, /*!< in: buffer */ + ulint len, /*!< in: buffer len; must be divisible by OS_FILE_LOG_BLOCK_SIZE */ - ib_uint64_t start_lsn, /* in: start lsn of the buffer; must + ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must be divisible by OS_FILE_LOG_BLOCK_SIZE */ - ulint new_data_offset);/* in: start offset of new data in + ulint new_data_offset);/*!< in: start offset of new data in buf: this parameter is used to decide if we have to write a new log file header */ @@ -389,115 +382,107 @@ UNIV_INTERN void log_group_set_fields( /*=================*/ - log_group_t* group, /* in/out: group */ - ib_uint64_t lsn); /* in: lsn for which the values should be + log_group_t* group, /*!< in/out: group */ + ib_uint64_t lsn); /*!< in: lsn for which the values should be set */ /********************************************************** Calculates the data capacity of a log group, when the log file headers are not -included. */ +included. +@return capacity in bytes */ UNIV_INTERN ulint log_group_get_capacity( /*===================*/ - /* out: capacity in bytes */ - const log_group_t* group); /* in: log group */ + const log_group_t* group); /*!< in: log group */ #endif /* !UNIV_HOTBACKUP */ /**************************************************************** -Gets a log block flush bit. */ +Gets a log block flush bit. +@return TRUE if this block was the first to be written in a log flush */ UNIV_INLINE ibool log_block_get_flush_bit( /*====================*/ - /* out: TRUE if this block was - the first to be written in a - log flush */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** -Gets a log block number stored in the header. */ +Gets a log block number stored in the header. +@return log block number stored in the block header */ UNIV_INLINE ulint log_block_get_hdr_no( /*=================*/ - /* out: log block number - stored in the block header */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** -Gets a log block data length. */ +Gets a log block data length. +@return log block data length measured as a byte offset from the block start */ UNIV_INLINE ulint log_block_get_data_len( /*===================*/ - /* out: log block data length - measured as a byte offset from - the block start */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** Sets the log block data length. */ UNIV_INLINE void log_block_set_data_len( /*===================*/ - byte* log_block, /* in/out: log block */ - ulint len); /* in: data length */ + byte* log_block, /*!< in/out: log block */ + ulint len); /*!< in: data length */ /**************************************************************** -Calculates the checksum for a log block. */ +Calculates the checksum for a log block. +@return checksum */ UNIV_INLINE ulint log_block_calc_checksum( /*====================*/ - /* out: checksum */ - const byte* block); /* in: log block */ + const byte* block); /*!< in: log block */ /**************************************************************** -Gets a log block checksum field value. */ +Gets a log block checksum field value. +@return checksum */ UNIV_INLINE ulint log_block_get_checksum( /*===================*/ - /* out: checksum */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** Sets a log block checksum field value. */ UNIV_INLINE void log_block_set_checksum( /*===================*/ - byte* log_block, /* in/out: log block */ - ulint checksum); /* in: checksum */ + byte* log_block, /*!< in/out: log block */ + ulint checksum); /*!< in: checksum */ /**************************************************************** -Gets a log block first mtr log record group offset. */ +Gets a log block first mtr log record group offset. +@return first mtr log record group byte offset from the block start, 0 if none */ UNIV_INLINE ulint log_block_get_first_rec_group( /*==========================*/ - /* out: first mtr log record - group byte offset from the - block start, 0 if none */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** Sets the log block first mtr log record group offset. */ UNIV_INLINE void log_block_set_first_rec_group( /*==========================*/ - byte* log_block, /* in/out: log block */ - ulint offset); /* in: offset, 0 if none */ + byte* log_block, /*!< in/out: log block */ + ulint offset); /*!< in: offset, 0 if none */ /**************************************************************** -Gets a log block checkpoint number field (4 lowest bytes). */ +Gets a log block checkpoint number field (4 lowest bytes). +@return checkpoint no (4 lowest bytes) */ UNIV_INLINE ulint log_block_get_checkpoint_no( /*========================*/ - /* out: checkpoint no (4 - lowest bytes) */ - const byte* log_block); /* in: log block */ + const byte* log_block); /*!< in: log block */ /**************************************************************** Initializes a log block in the log buffer. */ UNIV_INLINE void log_block_init( /*===========*/ - byte* log_block, /* in: pointer to the log buffer */ - ib_uint64_t lsn); /* in: lsn within the log block */ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn); /*!< in: lsn within the log block */ /**************************************************************** Initializes a log block in the log buffer in the old, < 3.23.52 format, where there was no checksum yet. */ @@ -505,33 +490,31 @@ UNIV_INLINE void log_block_init_in_old_format( /*=========================*/ - byte* log_block, /* in: pointer to the log buffer */ - ib_uint64_t lsn); /* in: lsn within the log block */ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn); /*!< in: lsn within the log block */ /**************************************************************** -Converts a lsn to a log block number. */ +Converts a lsn to a log block number. +@return log block number, it is > 0 and <= 1G */ UNIV_INLINE ulint log_block_convert_lsn_to_no( /*========================*/ - /* out: log block number, - it is > 0 and <= 1G */ - ib_uint64_t lsn); /* in: lsn of a byte within the block */ + ib_uint64_t lsn); /*!< in: lsn of a byte within the block */ /********************************************************** Prints info of the log. */ UNIV_INTERN void log_print( /*======*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /********************************************************** -Peeks the current lsn. */ +Peeks the current lsn. +@return TRUE if success, FALSE if could not get the log system mutex */ UNIV_INTERN ibool log_peek_lsn( /*=========*/ - /* out: TRUE if success, FALSE if - could not get the log system mutex */ - ib_uint64_t* lsn); /* out: if returns TRUE, current lsn is here */ + ib_uint64_t* lsn); /*!< out: if returns TRUE, current lsn is here */ /************************************************************************** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN diff --git a/include/log0log.ic b/include/log0log.ic index 937c0f939ca..6b154f96955 100644 --- a/include/log0log.ic +++ b/include/log0log.ic @@ -33,22 +33,20 @@ UNIV_INTERN ibool log_check_log_recs( /*===============*/ - byte* buf, /* in: pointer to the start of + byte* buf, /*!< in: pointer to the start of the log segment in the log_sys->buf log buffer */ - ulint len, /* in: segment length in bytes */ - ib_uint64_t buf_start_lsn); /* in: buffer start lsn */ + ulint len, /*!< in: segment length in bytes */ + ib_uint64_t buf_start_lsn); /*!< in: buffer start lsn */ /**************************************************************** -Gets a log block flush bit. */ +Gets a log block flush bit. +@return TRUE if this block was the first to be written in a log flush */ UNIV_INLINE ibool log_block_get_flush_bit( /*====================*/ - /* out: TRUE if this block was - the first to be written in a - log flush */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { if (LOG_BLOCK_FLUSH_BIT_MASK & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)) { @@ -65,8 +63,8 @@ UNIV_INLINE void log_block_set_flush_bit( /*====================*/ - byte* log_block, /* in/out: log block */ - ibool val) /* in: value to set */ + byte* log_block, /*!< in/out: log block */ + ibool val) /*!< in: value to set */ { ulint field; @@ -82,14 +80,13 @@ log_block_set_flush_bit( } /**************************************************************** -Gets a log block number stored in the header. */ +Gets a log block number stored in the header. +@return log block number stored in the block header */ UNIV_INLINE ulint log_block_get_hdr_no( /*=================*/ - /* out: log block number - stored in the block header */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { return(~LOG_BLOCK_FLUSH_BIT_MASK & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)); @@ -102,8 +99,8 @@ UNIV_INLINE void log_block_set_hdr_no( /*=================*/ - byte* log_block, /* in/out: log block */ - ulint n) /* in: log block number: must be > 0 and + byte* log_block, /*!< in/out: log block */ + ulint n) /*!< in: log block number: must be > 0 and < LOG_BLOCK_FLUSH_BIT_MASK */ { ut_ad(n > 0); @@ -113,15 +110,13 @@ log_block_set_hdr_no( } /**************************************************************** -Gets a log block data length. */ +Gets a log block data length. +@return log block data length measured as a byte offset from the block start */ UNIV_INLINE ulint log_block_get_data_len( /*===================*/ - /* out: log block data length - measured as a byte offset from - the block start */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { return(mach_read_from_2(log_block + LOG_BLOCK_HDR_DATA_LEN)); } @@ -132,22 +127,20 @@ UNIV_INLINE void log_block_set_data_len( /*===================*/ - byte* log_block, /* in/out: log block */ - ulint len) /* in: data length */ + byte* log_block, /*!< in/out: log block */ + ulint len) /*!< in: data length */ { mach_write_to_2(log_block + LOG_BLOCK_HDR_DATA_LEN, len); } /**************************************************************** -Gets a log block first mtr log record group offset. */ +Gets a log block first mtr log record group offset. +@return first mtr log record group byte offset from the block start, 0 if none */ UNIV_INLINE ulint log_block_get_first_rec_group( /*==========================*/ - /* out: first mtr log record - group byte offset from the - block start, 0 if none */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { return(mach_read_from_2(log_block + LOG_BLOCK_FIRST_REC_GROUP)); } @@ -158,21 +151,20 @@ UNIV_INLINE void log_block_set_first_rec_group( /*==========================*/ - byte* log_block, /* in/out: log block */ - ulint offset) /* in: offset, 0 if none */ + byte* log_block, /*!< in/out: log block */ + ulint offset) /*!< in: offset, 0 if none */ { mach_write_to_2(log_block + LOG_BLOCK_FIRST_REC_GROUP, offset); } /**************************************************************** -Gets a log block checkpoint number field (4 lowest bytes). */ +Gets a log block checkpoint number field (4 lowest bytes). +@return checkpoint no (4 lowest bytes) */ UNIV_INLINE ulint log_block_get_checkpoint_no( /*========================*/ - /* out: checkpoint no (4 - lowest bytes) */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { return(mach_read_from_4(log_block + LOG_BLOCK_CHECKPOINT_NO)); } @@ -183,33 +175,32 @@ UNIV_INLINE void log_block_set_checkpoint_no( /*========================*/ - byte* log_block, /* in/out: log block */ - ib_uint64_t no) /* in: checkpoint no */ + byte* log_block, /*!< in/out: log block */ + ib_uint64_t no) /*!< in: checkpoint no */ { mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no); } /**************************************************************** -Converts a lsn to a log block number. */ +Converts a lsn to a log block number. +@return log block number, it is > 0 and <= 1G */ UNIV_INLINE ulint log_block_convert_lsn_to_no( /*========================*/ - /* out: log block number, - it is > 0 and <= 1G */ - ib_uint64_t lsn) /* in: lsn of a byte within the block */ + ib_uint64_t lsn) /*!< in: lsn of a byte within the block */ { return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1); } /**************************************************************** -Calculates the checksum for a log block. */ +Calculates the checksum for a log block. +@return checksum */ UNIV_INLINE ulint log_block_calc_checksum( /*====================*/ - /* out: checksum */ - const byte* block) /* in: log block */ + const byte* block) /*!< in: log block */ { ulint sum; ulint sh; @@ -233,13 +224,13 @@ log_block_calc_checksum( } /**************************************************************** -Gets a log block checksum field value. */ +Gets a log block checksum field value. +@return checksum */ UNIV_INLINE ulint log_block_get_checksum( /*===================*/ - /* out: checksum */ - const byte* log_block) /* in: log block */ + const byte* log_block) /*!< in: log block */ { return(mach_read_from_4(log_block + OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_CHECKSUM)); @@ -251,8 +242,8 @@ UNIV_INLINE void log_block_set_checksum( /*===================*/ - byte* log_block, /* in/out: log block */ - ulint checksum) /* in: checksum */ + byte* log_block, /*!< in/out: log block */ + ulint checksum) /*!< in: checksum */ { mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_CHECKSUM, @@ -265,8 +256,8 @@ UNIV_INLINE void log_block_init( /*===========*/ - byte* log_block, /* in: pointer to the log buffer */ - ib_uint64_t lsn) /* in: lsn within the log block */ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn) /*!< in: lsn within the log block */ { ulint no; @@ -287,8 +278,8 @@ UNIV_INLINE void log_block_init_in_old_format( /*=========================*/ - byte* log_block, /* in: pointer to the log buffer */ - ib_uint64_t lsn) /* in: lsn within the log block */ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn) /*!< in: lsn within the log block */ { ulint no; @@ -306,17 +297,16 @@ log_block_init_in_old_format( #ifndef UNIV_HOTBACKUP /**************************************************************** Writes to the log the string given. The log must be released with -log_release. */ +log_release. +@return end lsn of the log record, zero if did not succeed */ UNIV_INLINE ib_uint64_t log_reserve_and_write_fast( /*=======================*/ - /* out: end lsn of the log record, - zero if did not succeed */ - byte* str, /* in: string */ - ulint len, /* in: string length */ - ib_uint64_t* start_lsn,/* out: start lsn of the log record */ - ibool* success)/* out: TRUE if success */ + byte* str, /*!< in: string */ + ulint len, /*!< in: string length */ + ib_uint64_t* start_lsn,/*!< out: start lsn of the log record */ + ibool* success)/*!< out: TRUE if success */ { log_t* log = log_sys; ulint data_len; @@ -375,12 +365,12 @@ log_release(void) } /**************************************************************** -Gets the current lsn. */ +Gets the current lsn. +@return current lsn */ UNIV_INLINE ib_uint64_t log_get_lsn(void) /*=============*/ - /* out: current lsn */ { ib_uint64_t lsn; diff --git a/include/log0recv.h b/include/log0recv.h index adbbd7bdc62..68fd98240be 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -35,22 +35,22 @@ Created 9/20/1997 Heikki Tuuri extern ibool recv_replay_file_ops; /*********************************************************************** -Reads the checkpoint info needed in hot backup. */ +Reads the checkpoint info needed in hot backup. +@return TRUE if success */ UNIV_INTERN ibool recv_read_cp_info_for_backup( /*=========================*/ - /* out: TRUE if success */ - const byte* hdr, /* in: buffer containing the log group + const byte* hdr, /*!< in: buffer containing the log group header */ - ib_uint64_t* lsn, /* out: checkpoint lsn */ - ulint* offset, /* out: checkpoint offset in the log group */ - ulint* fsp_limit,/* out: fsp limit of space 0, + ib_uint64_t* lsn, /*!< out: checkpoint lsn */ + ulint* offset, /*!< out: checkpoint offset in the log group */ + ulint* fsp_limit,/*!< out: fsp limit of space 0, 1000000000 if the database is running with < version 3.23.50 of InnoDB */ - ib_uint64_t* cp_no, /* out: checkpoint number */ + ib_uint64_t* cp_no, /*!< out: checkpoint number */ ib_uint64_t* first_header_lsn); - /* out: lsn of of the start of the + /*!< out: lsn of of the start of the first log file */ /*********************************************************************** Scans the log segment and n_bytes_scanned is set to the length of valid @@ -59,33 +59,33 @@ UNIV_INTERN void recv_scan_log_seg_for_backup( /*=========================*/ - byte* buf, /* in: buffer containing log data */ - ulint buf_len, /* in: data length in that buffer */ - ib_uint64_t* scanned_lsn, /* in/out: lsn of buffer start, + byte* buf, /*!< in: buffer containing log data */ + ulint buf_len, /*!< in: data length in that buffer */ + ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, we return scanned lsn */ ulint* scanned_checkpoint_no, - /* in/out: 4 lowest bytes of the + /*!< in/out: 4 lowest bytes of the highest scanned checkpoint number so far */ - ulint* n_bytes_scanned);/* out: how much we were able to + ulint* n_bytes_scanned);/*!< out: how much we were able to scan, smaller than buf_len if log data ended here */ #endif /* UNIV_HOTBACKUP */ /*********************************************************************** -Returns TRUE if recovery is currently running. */ +Returns TRUE if recovery is currently running. +@return recv_recovery_on */ UNIV_INLINE ibool recv_recovery_is_on(void); /*=====================*/ - /* out: recv_recovery_on */ #ifdef UNIV_LOG_ARCHIVE /*********************************************************************** -Returns TRUE if recovery from backup is currently running. */ +Returns TRUE if recovery from backup is currently running. +@return recv_recovery_from_backup_on */ UNIV_INLINE ibool recv_recovery_from_backup_is_on(void); /*=================================*/ - /* out: recv_recovery_from_backup_on */ #endif /* UNIV_LOG_ARCHIVE */ /**************************************************************************** Applies the hashed log records to the page, if the page lsn is less than the @@ -97,10 +97,10 @@ recv_recover_page_func( /*===================*/ #ifndef UNIV_HOTBACKUP ibool just_read_in, - /* in: TRUE if the i/o-handler calls this for + /*!< in: TRUE if the i/o-handler calls this for a freshly read page */ #endif /* !UNIV_HOTBACKUP */ - buf_block_t* block); /* in: buffer block */ + buf_block_t* block); /*!< in: buffer block */ #ifndef UNIV_HOTBACKUP # define recv_recover_page(jri, block) recv_recover_page_func(jri, block) #else /* !UNIV_HOTBACKUP */ @@ -110,20 +110,20 @@ recv_recover_page_func( Recovers from a checkpoint. When this function returns, the database is able to start processing of new user transactions, but the function recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. */ +the recovery and free the resources used in it. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint recv_recovery_from_checkpoint_start_func( /*=====================================*/ - /* out: error code or DB_SUCCESS */ #ifdef UNIV_LOG_ARCHIVE - ulint type, /* in: LOG_CHECKPOINT or LOG_ARCHIVE */ - ib_uint64_t limit_lsn, /* in: recover up to this lsn + ulint type, /*!< in: LOG_CHECKPOINT or LOG_ARCHIVE */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ #endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t min_flushed_lsn,/* in: min flushed lsn from + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from data files */ - ib_uint64_t max_flushed_lsn);/* in: max flushed lsn from + ib_uint64_t max_flushed_lsn);/*!< in: max flushed lsn from data files */ #ifdef UNIV_LOG_ARCHIVE # define recv_recovery_from_checkpoint_start(type,lim,min,max) \ @@ -142,28 +142,26 @@ recv_recovery_from_checkpoint_finish(void); Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. Unless UNIV_HOTBACKUP is defined, this function will apply log records -automatically when the hash table becomes full. */ +automatically when the hash table becomes full. +@return TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ UNIV_INTERN ibool recv_scan_log_recs( /*===============*/ - /* out: TRUE if limit_lsn has been - reached, or not able to scan any more - in this log group */ - ulint available_memory,/* in: we let the hash table of recs + ulint available_memory,/*!< in: we let the hash table of recs to grow to this size, at the maximum */ - ibool store_to_hash, /* in: TRUE if the records should be + ibool store_to_hash, /*!< in: TRUE if the records should be stored to the hash table; this is set to FALSE if just debug checking is needed */ - const byte* buf, /* in: buffer containing a log + const byte* buf, /*!< in: buffer containing a log segment or garbage */ - ulint len, /* in: buffer length */ - ib_uint64_t start_lsn, /* in: buffer start lsn */ - ib_uint64_t* contiguous_lsn, /* in/out: it is known that all log + ulint len, /*!< in: buffer length */ + ib_uint64_t start_lsn, /*!< in: buffer start lsn */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log groups contain contiguous log data up to this lsn */ - ib_uint64_t* group_scanned_lsn);/* out: scanning succeeded up to + ib_uint64_t* group_scanned_lsn);/*!< out: scanning succeeded up to this lsn */ /********************************************************** Resets the logs. The contents of log files will be lost! */ @@ -171,15 +169,15 @@ UNIV_INTERN void recv_reset_logs( /*============*/ - ib_uint64_t lsn, /* in: reset to this lsn + ib_uint64_t lsn, /*!< in: reset to this lsn rounded up to be divisible by OS_FILE_LOG_BLOCK_SIZE, after which we add LOG_BLOCK_HDR_SIZE */ #ifdef UNIV_LOG_ARCHIVE - ulint arch_log_no, /* in: next archived log file number */ + ulint arch_log_no, /*!< in: next archived log file number */ #endif /* UNIV_LOG_ARCHIVE */ - ibool new_logs_created);/* in: TRUE if resetting logs + ibool new_logs_created);/*!< in: TRUE if resetting logs is done at the log creation; FALSE if it is done after archive recovery */ @@ -190,10 +188,10 @@ UNIV_INTERN void recv_reset_log_files_for_backup( /*============================*/ - const char* log_dir, /* in: log file directory path */ - ulint n_log_files, /* in: number of log files */ - ulint log_file_size, /* in: log file size */ - ib_uint64_t lsn); /* in: new start lsn, must be + const char* log_dir, /*!< in: log file directory path */ + ulint n_log_files, /*!< in: number of log files */ + ulint log_file_size, /*!< in: log file size */ + ib_uint64_t lsn); /*!< in: new start lsn, must be divisible by OS_FILE_LOG_BLOCK_SIZE */ #endif /* UNIV_HOTBACKUP */ /************************************************************ @@ -208,7 +206,7 @@ UNIV_INTERN void recv_sys_init( /*==========*/ - ulint available_memory); /* in: available memory in bytes */ + ulint available_memory); /*!< in: available memory in bytes */ /*********************************************************************** Empties the hash table of stored log records, applying them to appropriate pages. */ @@ -216,7 +214,7 @@ UNIV_INTERN void recv_apply_hashed_log_recs( /*=======================*/ - ibool allow_ibuf); /* in: if TRUE, also ibuf operations are + ibool allow_ibuf); /*!< in: if TRUE, also ibuf operations are allowed during the application; if FALSE, no ibuf operations are allowed, and after the application all file pages are flushed to @@ -233,17 +231,17 @@ recv_apply_log_recs_for_backup(void); #endif #ifdef UNIV_LOG_ARCHIVE /************************************************************ -Recovers from archived log files, and also from log files, if they exist. */ +Recovers from archived log files, and also from log files, if they exist. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint recv_recovery_from_archive_start( /*=============================*/ - /* out: error code or DB_SUCCESS */ - ib_uint64_t min_flushed_lsn,/* in: min flushed lsn field from the + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the data files */ - ib_uint64_t limit_lsn, /* in: recover up to this lsn if + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ - ulint first_log_no); /* in: number of the first archived + ulint first_log_no); /*!< in: number of the first archived log file to use in the recovery; the file will be searched from INNOBASE_LOG_ARCH_DIR specified in diff --git a/include/log0recv.ic b/include/log0recv.ic index 2d570eab3db..3bd3fc4e6ba 100644 --- a/include/log0recv.ic +++ b/include/log0recv.ic @@ -25,12 +25,12 @@ Created 9/20/1997 Heikki Tuuri #include "univ.i" /*********************************************************************** -Returns TRUE if recovery is currently running. */ +Returns TRUE if recovery is currently running. +@return recv_recovery_on */ UNIV_INLINE ibool recv_recovery_is_on(void) /*=====================*/ - /* out: recv_recovery_on */ { return(UNIV_UNLIKELY(recv_recovery_on)); } @@ -39,12 +39,12 @@ recv_recovery_is_on(void) extern ibool recv_recovery_from_backup_on; /*********************************************************************** -Returns TRUE if recovery from backup is currently running. */ +Returns TRUE if recovery from backup is currently running. +@return recv_recovery_from_backup_on */ UNIV_INLINE ibool recv_recovery_from_backup_is_on(void) /*=================================*/ - /* out: recv_recovery_from_backup_on */ { return(recv_recovery_from_backup_on); } diff --git a/include/mach0data.h b/include/mach0data.h index f718b401edf..e1aeb986e3e 100644 --- a/include/mach0data.h +++ b/include/mach0data.h @@ -40,16 +40,16 @@ UNIV_INLINE void mach_write_to_1( /*============*/ - byte* b, /* in: pointer to byte where to store */ - ulint n); /* in: ulint integer to be stored, >= 0, < 256 */ + byte* b, /*!< in: pointer to byte where to store */ + ulint n); /*!< in: ulint integer to be stored, >= 0, < 256 */ /************************************************************ -The following function is used to fetch data from one byte. */ +The following function is used to fetch data from one byte. +@return ulint integer, >= 0, < 256 */ UNIV_INLINE ulint mach_read_from_1( /*=============*/ - /* out: ulint integer, >= 0, < 256 */ - const byte* b) /* in: pointer to byte */ + const byte* b) /*!< in: pointer to byte */ __attribute__((nonnull, pure)); /*********************************************************** The following function is used to store data in two consecutive @@ -58,40 +58,40 @@ UNIV_INLINE void mach_write_to_2( /*============*/ - byte* b, /* in: pointer to two bytes where to store */ - ulint n); /* in: ulint integer to be stored, >= 0, < 64k */ + byte* b, /*!< in: pointer to two bytes where to store */ + ulint n); /*!< in: ulint integer to be stored, >= 0, < 64k */ /************************************************************ The following function is used to fetch data from two consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer, >= 0, < 64k */ UNIV_INLINE ulint mach_read_from_2( /*=============*/ - /* out: ulint integer, >= 0, < 64k */ - const byte* b) /* in: pointer to two bytes */ + const byte* b) /*!< in: pointer to two bytes */ __attribute__((nonnull, pure)); /************************************************************ The following function is used to convert a 16-bit data item to the canonical format, for fast bytewise equality test -against memory. */ +against memory. +@return 16-bit integer in canonical format */ UNIV_INLINE uint16 mach_encode_2( /*==========*/ - /* out: 16-bit integer in canonical format */ - ulint n) /* in: integer in machine-dependent format */ + ulint n) /*!< in: integer in machine-dependent format */ __attribute__((const)); /************************************************************ The following function is used to convert a 16-bit data item from the canonical format, for fast bytewise equality test -against memory. */ +against memory. +@return integer in machine-dependent format */ UNIV_INLINE ulint mach_decode_2( /*==========*/ - /* out: integer in machine-dependent format */ - uint16 n) /* in: 16-bit integer in canonical format */ + uint16 n) /*!< in: 16-bit integer in canonical format */ __attribute__((const)); /*********************************************************** The following function is used to store data in 3 consecutive @@ -100,17 +100,17 @@ UNIV_INLINE void mach_write_to_3( /*============*/ - byte* b, /* in: pointer to 3 bytes where to store */ - ulint n); /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to 3 bytes where to store */ + ulint n); /*!< in: ulint integer to be stored */ /************************************************************ The following function is used to fetch data from 3 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer */ UNIV_INLINE ulint mach_read_from_3( /*=============*/ - /* out: ulint integer */ - const byte* b) /* in: pointer to 3 bytes */ + const byte* b) /*!< in: pointer to 3 bytes */ __attribute__((nonnull, pure)); /*********************************************************** The following function is used to store data in four consecutive @@ -119,44 +119,44 @@ UNIV_INLINE void mach_write_to_4( /*============*/ - byte* b, /* in: pointer to four bytes where to store */ - ulint n); /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to four bytes where to store */ + ulint n); /*!< in: ulint integer to be stored */ /************************************************************ The following function is used to fetch data from 4 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer */ UNIV_INLINE ulint mach_read_from_4( /*=============*/ - /* out: ulint integer */ - const byte* b) /* in: pointer to four bytes */ + const byte* b) /*!< in: pointer to four bytes */ __attribute__((nonnull, pure)); /************************************************************* -Writes a ulint in a compressed form (1..5 bytes). */ +Writes a ulint in a compressed form (1..5 bytes). +@return stored size in bytes */ UNIV_INLINE ulint mach_write_compressed( /*==================*/ - /* out: stored size in bytes */ - byte* b, /* in: pointer to memory where to store */ - ulint n); /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + ulint n); /*!< in: ulint integer to be stored */ /************************************************************* -Returns the size of an ulint when written in the compressed form. */ +Returns the size of an ulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_get_compressed_size( /*=====================*/ - /* out: compressed size in bytes */ - ulint n) /* in: ulint integer to be stored */ + ulint n) /*!< in: ulint integer to be stored */ __attribute__((const)); /************************************************************* -Reads a ulint in a compressed form. */ +Reads a ulint in a compressed form. +@return read integer */ UNIV_INLINE ulint mach_read_compressed( /*=================*/ - /* out: read integer */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); /*********************************************************** The following function is used to store data in 6 consecutive @@ -165,17 +165,17 @@ UNIV_INLINE void mach_write_to_6( /*============*/ - byte* b, /* in: pointer to 6 bytes where to store */ - dulint n); /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 6 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ /************************************************************ The following function is used to fetch data from 6 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_6( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 6 bytes */ + const byte* b) /*!< in: pointer to 6 bytes */ __attribute__((nonnull, pure)); /*********************************************************** The following function is used to store data in 7 consecutive @@ -184,17 +184,17 @@ UNIV_INLINE void mach_write_to_7( /*============*/ - byte* b, /* in: pointer to 7 bytes where to store */ - dulint n); /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 7 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ /************************************************************ The following function is used to fetch data from 7 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_7( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 7 bytes */ + const byte* b) /*!< in: pointer to 7 bytes */ __attribute__((nonnull, pure)); /*********************************************************** The following function is used to store data in 8 consecutive @@ -203,8 +203,8 @@ UNIV_INLINE void mach_write_to_8( /*============*/ - byte* b, /* in: pointer to 8 bytes where to store */ - dulint n); /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 8 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ /*********************************************************** The following function is used to store data in 8 consecutive bytes. We store the most significant byte to the lowest address. */ @@ -212,112 +212,110 @@ UNIV_INLINE void mach_write_ull( /*===========*/ - byte* b, /* in: pointer to 8 bytes where to store */ - ib_uint64_t n); /* in: 64-bit integer to be stored */ + byte* b, /*!< in: pointer to 8 bytes where to store */ + ib_uint64_t n); /*!< in: 64-bit integer to be stored */ /************************************************************ The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_8( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 8 bytes */ + const byte* b) /*!< in: pointer to 8 bytes */ __attribute__((nonnull, pure)); /************************************************************ The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return 64-bit integer */ UNIV_INLINE ib_uint64_t mach_read_ull( /*==========*/ - /* out: 64-bit integer */ - const byte* b) /* in: pointer to 8 bytes */ + const byte* b) /*!< in: pointer to 8 bytes */ __attribute__((nonnull, pure)); /************************************************************* -Writes a dulint in a compressed form (5..9 bytes). */ +Writes a dulint in a compressed form (5..9 bytes). +@return size in bytes */ UNIV_INLINE ulint mach_dulint_write_compressed( /*=========================*/ - /* out: size in bytes */ - byte* b, /* in: pointer to memory where to store */ - dulint n); /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + dulint n); /*!< in: dulint integer to be stored */ /************************************************************* -Returns the size of a dulint when written in the compressed form. */ +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_dulint_get_compressed_size( /*============================*/ - /* out: compressed size in bytes */ - dulint n); /* in: dulint integer to be stored */ + dulint n); /*!< in: dulint integer to be stored */ /************************************************************* -Reads a dulint in a compressed form. */ +Reads a dulint in a compressed form. +@return read dulint */ UNIV_INLINE dulint mach_dulint_read_compressed( /*========================*/ - /* out: read dulint */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); /************************************************************* -Writes a dulint in a compressed form (1..11 bytes). */ +Writes a dulint in a compressed form (1..11 bytes). +@return size in bytes */ UNIV_INLINE ulint mach_dulint_write_much_compressed( /*==============================*/ - /* out: size in bytes */ - byte* b, /* in: pointer to memory where to store */ - dulint n); /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + dulint n); /*!< in: dulint integer to be stored */ /************************************************************* -Returns the size of a dulint when written in the compressed form. */ +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_dulint_get_much_compressed_size( /*=================================*/ - /* out: compressed size in bytes */ - dulint n) /* in: dulint integer to be stored */ + dulint n) /*!< in: dulint integer to be stored */ __attribute__((const)); /************************************************************* -Reads a dulint in a compressed form. */ +Reads a dulint in a compressed form. +@return read dulint */ UNIV_INLINE dulint mach_dulint_read_much_compressed( /*=============================*/ - /* out: read dulint */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); /************************************************************* -Reads a ulint in a compressed form if the log record fully contains it. */ +Reads a ulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN byte* mach_parse_compressed( /*==================*/ - /* out: pointer to end of the stored field, NULL if - not complete */ - byte* ptr, /* in: pointer to buffer from where to read */ - byte* end_ptr,/* in: pointer to end of the buffer */ - ulint* val); /* out: read value */ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + ulint* val); /*!< out: read value */ /************************************************************* -Reads a dulint in a compressed form if the log record fully contains it. */ +Reads a dulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN byte* mach_dulint_parse_compressed( /*=========================*/ - /* out: pointer to end of the stored field, NULL if - not complete */ - byte* ptr, /* in: pointer to buffer from where to read */ - byte* end_ptr,/* in: pointer to end of the buffer */ - dulint* val); /* out: read value */ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + dulint* val); /*!< out: read value */ #ifndef UNIV_HOTBACKUP /************************************************************* -Reads a double. It is stored in a little-endian format. */ +Reads a double. It is stored in a little-endian format. +@return double read */ UNIV_INLINE double mach_double_read( /*=============*/ - /* out: double read */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); /************************************************************* Writes a double. It is stored in a little-endian format. */ @@ -325,16 +323,16 @@ UNIV_INLINE void mach_double_write( /*==============*/ - byte* b, /* in: pointer to memory where to write */ - double d); /* in: double */ + byte* b, /*!< in: pointer to memory where to write */ + double d); /*!< in: double */ /************************************************************* -Reads a float. It is stored in a little-endian format. */ +Reads a float. It is stored in a little-endian format. +@return float read */ UNIV_INLINE float mach_float_read( /*============*/ - /* out: float read */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); /************************************************************* Writes a float. It is stored in a little-endian format. */ @@ -342,17 +340,17 @@ UNIV_INLINE void mach_float_write( /*=============*/ - byte* b, /* in: pointer to memory where to write */ - float d); /* in: float */ + byte* b, /*!< in: pointer to memory where to write */ + float d); /*!< in: float */ /************************************************************* -Reads a ulint stored in the little-endian format. */ +Reads a ulint stored in the little-endian format. +@return unsigned long int */ UNIV_INLINE ulint mach_read_from_n_little_endian( /*===========================*/ - /* out: unsigned long int */ - const byte* buf, /* in: from where to read */ - ulint buf_size) /* in: from how many bytes to read */ + const byte* buf, /*!< in: from where to read */ + ulint buf_size) /*!< in: from how many bytes to read */ __attribute__((nonnull, pure)); /************************************************************* Writes a ulint in the little-endian format. */ @@ -360,17 +358,17 @@ UNIV_INLINE void mach_write_to_n_little_endian( /*==========================*/ - byte* dest, /* in: where to write */ - ulint dest_size, /* in: into how many bytes to write */ - ulint n); /* in: unsigned long int to write */ + byte* dest, /*!< in: where to write */ + ulint dest_size, /*!< in: into how many bytes to write */ + ulint n); /*!< in: unsigned long int to write */ /************************************************************* -Reads a ulint stored in the little-endian format. */ +Reads a ulint stored in the little-endian format. +@return unsigned long int */ UNIV_INLINE ulint mach_read_from_2_little_endian( /*===========================*/ - /* out: unsigned long int */ - const byte* buf) /* in: from where to read */ + const byte* buf) /*!< in: from where to read */ __attribute__((nonnull, pure)); /************************************************************* Writes a ulint in the little-endian format. */ @@ -378,20 +376,20 @@ UNIV_INLINE void mach_write_to_2_little_endian( /*==========================*/ - byte* dest, /* in: where to write */ - ulint n); /* in: unsigned long int to write */ + byte* dest, /*!< in: where to write */ + ulint n); /*!< in: unsigned long int to write */ /************************************************************* Convert integral type from storage byte order (big endian) to -host byte order. */ +host byte order. +@return integer value */ UNIV_INLINE ullint mach_read_int_type( /*===============*/ - /* out: integer value */ - const byte* src, /* in: where to read from */ - ulint len, /* in: length of src */ - ibool unsigned_type); /* in: signed or unsigned flag */ + const byte* src, /*!< in: where to read from */ + ulint len, /*!< in: length of src */ + ibool unsigned_type); /*!< in: signed or unsigned flag */ #endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL diff --git a/include/mach0data.ic b/include/mach0data.ic index d9fca6def74..6a7242240b1 100644 --- a/include/mach0data.ic +++ b/include/mach0data.ic @@ -31,8 +31,8 @@ UNIV_INLINE void mach_write_to_1( /*============*/ - byte* b, /* in: pointer to byte where to store */ - ulint n) /* in: ulint integer to be stored, >= 0, < 256 */ + byte* b, /*!< in: pointer to byte where to store */ + ulint n) /*!< in: ulint integer to be stored, >= 0, < 256 */ { ut_ad(b); ut_ad(n <= 0xFFUL); @@ -41,13 +41,13 @@ mach_write_to_1( } /************************************************************ -The following function is used to fetch data from one byte. */ +The following function is used to fetch data from one byte. +@return ulint integer, >= 0, < 256 */ UNIV_INLINE ulint mach_read_from_1( /*=============*/ - /* out: ulint integer, >= 0, < 256 */ - const byte* b) /* in: pointer to byte */ + const byte* b) /*!< in: pointer to byte */ { ut_ad(b); return((ulint)(b[0])); @@ -60,8 +60,8 @@ UNIV_INLINE void mach_write_to_2( /*============*/ - byte* b, /* in: pointer to two bytes where to store */ - ulint n) /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to two bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); ut_ad(n <= 0xFFFFUL); @@ -72,13 +72,13 @@ mach_write_to_2( /************************************************************ The following function is used to fetch data from 2 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer */ UNIV_INLINE ulint mach_read_from_2( /*=============*/ - /* out: ulint integer */ - const byte* b) /* in: pointer to 2 bytes */ + const byte* b) /*!< in: pointer to 2 bytes */ { ut_ad(b); return( ((ulint)(b[0]) << 8) @@ -89,13 +89,13 @@ mach_read_from_2( /************************************************************ The following function is used to convert a 16-bit data item to the canonical format, for fast bytewise equality test -against memory. */ +against memory. +@return 16-bit integer in canonical format */ UNIV_INLINE uint16 mach_encode_2( /*==========*/ - /* out: 16-bit integer in canonical format */ - ulint n) /* in: integer in machine-dependent format */ + ulint n) /*!< in: integer in machine-dependent format */ { uint16 ret; ut_ad(2 == sizeof ret); @@ -105,13 +105,13 @@ mach_encode_2( /************************************************************ The following function is used to convert a 16-bit data item from the canonical format, for fast bytewise equality test -against memory. */ +against memory. +@return integer in machine-dependent format */ UNIV_INLINE ulint mach_decode_2( /*==========*/ - /* out: integer in machine-dependent format */ - uint16 n) /* in: 16-bit integer in canonical format */ + uint16 n) /*!< in: 16-bit integer in canonical format */ { ut_ad(2 == sizeof n); return(mach_read_from_2((const byte*) &n)); @@ -124,8 +124,8 @@ UNIV_INLINE void mach_write_to_3( /*============*/ - byte* b, /* in: pointer to 3 bytes where to store */ - ulint n) /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to 3 bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); ut_ad(n <= 0xFFFFFFUL); @@ -137,13 +137,13 @@ mach_write_to_3( /************************************************************ The following function is used to fetch data from 3 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer */ UNIV_INLINE ulint mach_read_from_3( /*=============*/ - /* out: ulint integer */ - const byte* b) /* in: pointer to 3 bytes */ + const byte* b) /*!< in: pointer to 3 bytes */ { ut_ad(b); return( ((ulint)(b[0]) << 16) @@ -159,8 +159,8 @@ UNIV_INLINE void mach_write_to_4( /*============*/ - byte* b, /* in: pointer to four bytes where to store */ - ulint n) /* in: ulint integer to be stored */ + byte* b, /*!< in: pointer to four bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); @@ -172,13 +172,13 @@ mach_write_to_4( /************************************************************ The following function is used to fetch data from 4 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return ulint integer */ UNIV_INLINE ulint mach_read_from_4( /*=============*/ - /* out: ulint integer */ - const byte* b) /* in: pointer to four bytes */ + const byte* b) /*!< in: pointer to four bytes */ { ut_ad(b); return( ((ulint)(b[0]) << 24) @@ -194,14 +194,14 @@ length of the stored ulint. We look at the most significant bits of the byte. If the most significant bit is zero, it means 1-byte storage, else if the 2nd bit is 0, it means 2-byte storage, else if 3rd is 0, it means 3-byte storage, else if 4th is 0, it means 4-byte storage, -else the storage is 5-byte. */ +else the storage is 5-byte. +@return compressed size in bytes */ UNIV_INLINE ulint mach_write_compressed( /*==================*/ - /* out: compressed size in bytes */ - byte* b, /* in: pointer to memory where to store */ - ulint n) /* in: ulint integer (< 2^32) to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + ulint n) /*!< in: ulint integer (< 2^32) to be stored */ { ut_ad(b); @@ -225,13 +225,13 @@ mach_write_compressed( } /************************************************************* -Returns the size of a ulint when written in the compressed form. */ +Returns the size of a ulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_get_compressed_size( /*=====================*/ - /* out: compressed size in bytes */ - ulint n) /* in: ulint integer (< 2^32) to be stored */ + ulint n) /*!< in: ulint integer (< 2^32) to be stored */ { if (n < 0x80UL) { return(1); @@ -247,13 +247,13 @@ mach_get_compressed_size( } /************************************************************* -Reads a ulint in a compressed form. */ +Reads a ulint in a compressed form. +@return read integer (< 2^32) */ UNIV_INLINE ulint mach_read_compressed( /*=================*/ - /* out: read integer (< 2^32) */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ { ulint flag; @@ -282,8 +282,8 @@ UNIV_INLINE void mach_write_to_8( /*============*/ - byte* b, /* in: pointer to 8 bytes where to store */ - dulint n) /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 8 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ { ut_ad(b); @@ -298,8 +298,8 @@ UNIV_INLINE void mach_write_ull( /*===========*/ - byte* b, /* in: pointer to 8 bytes where to store */ - ib_uint64_t n) /* in: 64-bit integer to be stored */ + byte* b, /*!< in: pointer to 8 bytes where to store */ + ib_uint64_t n) /*!< in: 64-bit integer to be stored */ { ut_ad(b); @@ -309,13 +309,13 @@ mach_write_ull( /************************************************************ The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_8( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 8 bytes */ + const byte* b) /*!< in: pointer to 8 bytes */ { ulint high; ulint low; @@ -330,13 +330,13 @@ mach_read_from_8( /************************************************************ The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return 64-bit integer */ UNIV_INLINE ib_uint64_t mach_read_ull( /*==========*/ - /* out: 64-bit integer */ - const byte* b) /* in: pointer to 8 bytes */ + const byte* b) /*!< in: pointer to 8 bytes */ { ib_uint64_t ull; @@ -353,8 +353,8 @@ UNIV_INLINE void mach_write_to_7( /*============*/ - byte* b, /* in: pointer to 7 bytes where to store */ - dulint n) /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 7 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ { ut_ad(b); @@ -364,13 +364,13 @@ mach_write_to_7( /************************************************************ The following function is used to fetch data from 7 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_7( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 7 bytes */ + const byte* b) /*!< in: pointer to 7 bytes */ { ulint high; ulint low; @@ -390,8 +390,8 @@ UNIV_INLINE void mach_write_to_6( /*============*/ - byte* b, /* in: pointer to 6 bytes where to store */ - dulint n) /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to 6 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ { ut_ad(b); @@ -401,13 +401,13 @@ mach_write_to_6( /************************************************************ The following function is used to fetch data from 6 consecutive -bytes. The most significant byte is at the lowest address. */ +bytes. The most significant byte is at the lowest address. +@return dulint integer */ UNIV_INLINE dulint mach_read_from_6( /*=============*/ - /* out: dulint integer */ - const byte* b) /* in: pointer to 6 bytes */ + const byte* b) /*!< in: pointer to 6 bytes */ { ulint high; ulint low; @@ -421,14 +421,14 @@ mach_read_from_6( } /************************************************************* -Writes a dulint in a compressed form (5..9 bytes). */ +Writes a dulint in a compressed form (5..9 bytes). +@return size in bytes */ UNIV_INLINE ulint mach_dulint_write_compressed( /*=========================*/ - /* out: size in bytes */ - byte* b, /* in: pointer to memory where to store */ - dulint n) /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + dulint n) /*!< in: dulint integer to be stored */ { ulint size; @@ -441,25 +441,25 @@ mach_dulint_write_compressed( } /************************************************************* -Returns the size of a dulint when written in the compressed form. */ +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_dulint_get_compressed_size( /*============================*/ - /* out: compressed size in bytes */ - dulint n) /* in: dulint integer to be stored */ + dulint n) /*!< in: dulint integer to be stored */ { return(4 + mach_get_compressed_size(ut_dulint_get_high(n))); } /************************************************************* -Reads a dulint in a compressed form. */ +Reads a dulint in a compressed form. +@return read dulint */ UNIV_INLINE dulint mach_dulint_read_compressed( /*========================*/ - /* out: read dulint */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ { ulint high; ulint low; @@ -477,14 +477,14 @@ mach_dulint_read_compressed( } /************************************************************* -Writes a dulint in a compressed form (1..11 bytes). */ +Writes a dulint in a compressed form (1..11 bytes). +@return size in bytes */ UNIV_INLINE ulint mach_dulint_write_much_compressed( /*==============================*/ - /* out: size in bytes */ - byte* b, /* in: pointer to memory where to store */ - dulint n) /* in: dulint integer to be stored */ + byte* b, /*!< in: pointer to memory where to store */ + dulint n) /*!< in: dulint integer to be stored */ { ulint size; @@ -503,13 +503,13 @@ mach_dulint_write_much_compressed( } /************************************************************* -Returns the size of a dulint when written in the compressed form. */ +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ UNIV_INLINE ulint mach_dulint_get_much_compressed_size( /*=================================*/ - /* out: compressed size in bytes */ - dulint n) /* in: dulint integer to be stored */ + dulint n) /*!< in: dulint integer to be stored */ { if (0 == ut_dulint_get_high(n)) { return(mach_get_compressed_size(ut_dulint_get_low(n))); @@ -520,13 +520,13 @@ mach_dulint_get_much_compressed_size( } /************************************************************* -Reads a dulint in a compressed form. */ +Reads a dulint in a compressed form. +@return read dulint */ UNIV_INLINE dulint mach_dulint_read_much_compressed( /*=============================*/ - /* out: read dulint */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ { ulint high; ulint low; @@ -549,13 +549,13 @@ mach_dulint_read_much_compressed( } #ifndef UNIV_HOTBACKUP /************************************************************* -Reads a double. It is stored in a little-endian format. */ +Reads a double. It is stored in a little-endian format. +@return double read */ UNIV_INLINE double mach_double_read( /*=============*/ - /* out: double read */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ { double d; ulint i; @@ -580,8 +580,8 @@ UNIV_INLINE void mach_double_write( /*==============*/ - byte* b, /* in: pointer to memory where to write */ - double d) /* in: double */ + byte* b, /*!< in: pointer to memory where to write */ + double d) /*!< in: double */ { ulint i; byte* ptr; @@ -598,13 +598,13 @@ mach_double_write( } /************************************************************* -Reads a float. It is stored in a little-endian format. */ +Reads a float. It is stored in a little-endian format. +@return float read */ UNIV_INLINE float mach_float_read( /*============*/ - /* out: float read */ - const byte* b) /* in: pointer to memory from where to read */ + const byte* b) /*!< in: pointer to memory from where to read */ { float d; ulint i; @@ -629,8 +629,8 @@ UNIV_INLINE void mach_float_write( /*=============*/ - byte* b, /* in: pointer to memory where to write */ - float d) /* in: float */ + byte* b, /*!< in: pointer to memory where to write */ + float d) /*!< in: float */ { ulint i; byte* ptr; @@ -647,14 +647,14 @@ mach_float_write( } /************************************************************* -Reads a ulint stored in the little-endian format. */ +Reads a ulint stored in the little-endian format. +@return unsigned long int */ UNIV_INLINE ulint mach_read_from_n_little_endian( /*===========================*/ - /* out: unsigned long int */ - const byte* buf, /* in: from where to read */ - ulint buf_size) /* in: from how many bytes to read */ + const byte* buf, /*!< in: from where to read */ + ulint buf_size) /*!< in: from how many bytes to read */ { ulint n = 0; const byte* ptr; @@ -685,9 +685,9 @@ UNIV_INLINE void mach_write_to_n_little_endian( /*==========================*/ - byte* dest, /* in: where to write */ - ulint dest_size, /* in: into how many bytes to write */ - ulint n) /* in: unsigned long int to write */ + byte* dest, /*!< in: where to write */ + ulint dest_size, /*!< in: into how many bytes to write */ + ulint n) /*!< in: unsigned long int to write */ { byte* end; @@ -712,13 +712,13 @@ mach_write_to_n_little_endian( } /************************************************************* -Reads a ulint stored in the little-endian format. */ +Reads a ulint stored in the little-endian format. +@return unsigned long int */ UNIV_INLINE ulint mach_read_from_2_little_endian( /*===========================*/ - /* out: unsigned long int */ - const byte* buf) /* in: from where to read */ + const byte* buf) /*!< in: from where to read */ { return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); } @@ -729,8 +729,8 @@ UNIV_INLINE void mach_write_to_2_little_endian( /*==========================*/ - byte* dest, /* in: where to write */ - ulint n) /* in: unsigned long int to write */ + byte* dest, /*!< in: where to write */ + ulint n) /*!< in: unsigned long int to write */ { ut_ad(n < 256 * 256); @@ -744,15 +744,15 @@ mach_write_to_2_little_endian( /************************************************************* Convert integral type from storage byte order (big endian) to -host byte order. */ +host byte order. +@return integer value */ UNIV_INLINE ullint mach_read_int_type( /*===============*/ - /* out: integer value */ - const byte* src, /* in: where to read from */ - ulint len, /* in: length of src */ - ibool unsigned_type) /* in: signed or unsigned flag */ + const byte* src, /*!< in: where to read from */ + ulint len, /*!< in: length of src */ + ibool unsigned_type) /*!< in: signed or unsigned flag */ { /* XXX this can be optimized on big-endian machines */ diff --git a/include/mem0dbg.h b/include/mem0dbg.h index 0568a595d06..61f0dff0e1d 100644 --- a/include/mem0dbg.h +++ b/include/mem0dbg.h @@ -57,66 +57,66 @@ UNIV_INTERN void mem_heap_validate_or_print( /*=======================*/ - mem_heap_t* heap, /* in: memory heap */ - byte* top, /* in: calculate and validate only until + mem_heap_t* heap, /*!< in: memory heap */ + byte* top, /*!< in: calculate and validate only until this top pointer in the heap is reached, if this pointer is NULL, ignored */ - ibool print, /* in: if TRUE, prints the contents + ibool print, /*!< in: if TRUE, prints the contents of the heap; works only in the debug version */ - ibool* error, /* out: TRUE if error */ - ulint* us_size,/* out: allocated memory + ibool* error, /*!< out: TRUE if error */ + ulint* us_size,/*!< out: allocated memory (for the user) in the heap, if a NULL pointer is passed as this argument, it is ignored; in the non-debug version this is always -1 */ - ulint* ph_size,/* out: physical size of the heap, + ulint* ph_size,/*!< out: physical size of the heap, if a NULL pointer is passed as this argument, it is ignored */ - ulint* n_blocks); /* out: number of blocks in the heap, + ulint* n_blocks); /*!< out: number of blocks in the heap, if a NULL pointer is passed as this argument, it is ignored */ /****************************************************************** -Validates the contents of a memory heap. */ +Validates the contents of a memory heap. +@return TRUE if ok */ UNIV_INTERN ibool mem_heap_validate( /*==============*/ - /* out: TRUE if ok */ - mem_heap_t* heap); /* in: memory heap */ + mem_heap_t* heap); /*!< in: memory heap */ #endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ #ifdef UNIV_DEBUG /****************************************************************** -Checks that an object is a memory heap (or a block of it) */ +Checks that an object is a memory heap (or a block of it) +@return TRUE if ok */ UNIV_INTERN ibool mem_heap_check( /*===========*/ - /* out: TRUE if ok */ - mem_heap_t* heap); /* in: memory heap */ + mem_heap_t* heap); /*!< in: memory heap */ #endif /* UNIV_DEBUG */ #ifdef UNIV_MEM_DEBUG /********************************************************************* -TRUE if no memory is currently allocated. */ +TRUE if no memory is currently allocated. +@return TRUE if no heaps exist */ UNIV_INTERN ibool mem_all_freed(void); /*===============*/ - /* out: TRUE if no heaps exist */ /********************************************************************* -Validates the dynamic memory */ +Validates the dynamic memory +@return TRUE if error */ UNIV_INTERN ibool mem_validate_no_assert(void); /*=========================*/ - /* out: TRUE if error */ /**************************************************************** -Validates the dynamic memory */ +Validates the dynamic memory +@return TRUE if ok */ UNIV_INTERN ibool mem_validate(void); /*===============*/ - /* out: TRUE if ok */ #endif /* UNIV_MEM_DEBUG */ /**************************************************************** Tries to find neigboring memory allocation blocks and dumps to stderr @@ -125,7 +125,7 @@ UNIV_INTERN void mem_analyze_corruption( /*===================*/ - void* ptr); /* in: pointer to place of possible corruption */ + void* ptr); /*!< in: pointer to place of possible corruption */ /********************************************************************* Prints information of dynamic memory usage and currently allocated memory heaps or buffers. Can only be used in the debug version. */ diff --git a/include/mem0dbg.ic b/include/mem0dbg.ic index 049e986f18e..e086a5fac89 100644 --- a/include/mem0dbg.ic +++ b/include/mem0dbg.ic @@ -35,16 +35,16 @@ UNIV_INTERN void mem_field_init( /*===========*/ - byte* buf, /* in: memory field */ - ulint n); /* in: how many bytes the user requested */ + byte* buf, /*!< in: memory field */ + ulint n); /*!< in: how many bytes the user requested */ /********************************************************************** Erases an allocated memory field in the debug version. */ UNIV_INTERN void mem_field_erase( /*============*/ - byte* buf, /* in: memory field */ - ulint n); /* in: how many bytes the user requested */ + byte* buf, /*!< in: memory field */ + ulint n); /*!< in: how many bytes the user requested */ /******************************************************************* Initializes a buffer to a random combination of hex BA and BE. Used to initialize allocated memory. */ @@ -52,17 +52,17 @@ UNIV_INTERN void mem_init_buf( /*=========*/ - byte* buf, /* in: pointer to buffer */ - ulint n); /* in: length of buffer */ + byte* buf, /*!< in: pointer to buffer */ + ulint n); /*!< in: length of buffer */ /******************************************************************* Initializes a buffer to a random combination of hex DE and AD. -Used to erase freed memory.*/ +Used to erase freed memory. */ UNIV_INTERN void mem_erase_buf( /*==========*/ - byte* buf, /* in: pointer to buffer */ - ulint n); /* in: length of buffer */ + byte* buf, /*!< in: pointer to buffer */ + ulint n); /*!< in: length of buffer */ /******************************************************************* Inserts a created memory heap to the hash table of current allocated memory heaps. @@ -71,9 +71,9 @@ UNIV_INTERN void mem_hash_insert( /*============*/ - mem_heap_t* heap, /* in: the created heap */ - const char* file_name, /* in: file name of creation */ - ulint line); /* in: line where created */ + mem_heap_t* heap, /*!< in: the created heap */ + const char* file_name, /*!< in: file name of creation */ + ulint line); /*!< in: line where created */ /******************************************************************* Removes a memory heap (which is going to be freed by the caller) from the list of live memory heaps. Returns the size of the heap @@ -86,9 +86,9 @@ UNIV_INTERN void mem_hash_remove( /*============*/ - mem_heap_t* heap, /* in: the heap to be freed */ - const char* file_name, /* in: file name of freeing */ - ulint line); /* in: line where freed */ + mem_heap_t* heap, /*!< in: the heap to be freed */ + const char* file_name, /*!< in: file name of freeing */ + ulint line); /*!< in: line where freed */ void diff --git a/include/mem0mem.h b/include/mem0mem.h index 10d574d446d..afa9a2cc0bc 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -80,7 +80,7 @@ UNIV_INTERN void mem_init( /*=====*/ - ulint size); /* in: common pool size in bytes */ + ulint size); /*!< in: common pool size in bytes */ /****************************************************************** Use this macro instead of the corresponding function! Macro for memory heap creation. */ @@ -110,21 +110,19 @@ heap freeing. */ /********************************************************************* NOTE: Use the corresponding macros instead of this function. Creates a memory heap. For debugging purposes, takes also the file name and line as -arguments. */ +arguments. +@return own: memory heap, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE mem_heap_t* mem_heap_create_func( /*=================*/ - /* out, own: memory heap, NULL if - did not succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps)*/ - ulint n, /* in: desired start block size, + ulint n, /*!< in: desired start block size, this means that a single user buffer of size n will fit in the block, 0 creates a default size block */ - ulint type, /* in: heap type */ - const char* file_name, /* in: file name where created */ - ulint line); /* in: line where created */ + ulint type, /*!< in: heap type */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ /********************************************************************* NOTE: Use the corresponding macro instead of this function. Frees the space occupied by a memory heap. In the debug version erases the heap memory @@ -133,41 +131,39 @@ UNIV_INLINE void mem_heap_free_func( /*===============*/ - mem_heap_t* heap, /* in, own: heap to be freed */ - const char* file_name, /* in: file name where freed */ - ulint line); /* in: line where freed */ + mem_heap_t* heap, /*!< in, own: heap to be freed */ + const char* file_name, /*!< in: file name where freed */ + ulint line); /*!< in: line where freed */ /******************************************************************* -Allocates and zero-fills n bytes of memory from a memory heap. */ +Allocates and zero-fills n bytes of memory from a memory heap. +@return allocated, zero-filled storage */ UNIV_INLINE void* mem_heap_zalloc( /*============*/ - /* out: allocated, zero-filled storage */ - mem_heap_t* heap, /* in: memory heap */ - ulint n); /* in: number of bytes; if the heap is allowed + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ /******************************************************************* -Allocates n bytes of memory from a memory heap. */ +Allocates n bytes of memory from a memory heap. +@return allocated storage, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE void* mem_heap_alloc( /*===========*/ - /* out: allocated storage, NULL if did not - succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps) */ - mem_heap_t* heap, /* in: memory heap */ - ulint n); /* in: number of bytes; if the heap is allowed + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ /********************************************************************* -Returns a pointer to the heap top. */ +Returns a pointer to the heap top. +@return pointer to the heap top */ UNIV_INLINE byte* mem_heap_get_heap_top( /*==================*/ - /* out: pointer to the heap top */ - mem_heap_t* heap); /* in: memory heap */ + mem_heap_t* heap); /*!< in: memory heap */ /********************************************************************* Frees the space in a memory heap exceeding the pointer given. The pointer must have been acquired from mem_heap_get_heap_top. The first @@ -176,25 +172,25 @@ UNIV_INLINE void mem_heap_free_heap_top( /*===================*/ - mem_heap_t* heap, /* in: heap from which to free */ - byte* old_top);/* in: pointer to old top of heap */ + mem_heap_t* heap, /*!< in: heap from which to free */ + byte* old_top);/*!< in: pointer to old top of heap */ /********************************************************************* Empties a memory heap. The first memory block of the heap is not freed. */ UNIV_INLINE void mem_heap_empty( /*===========*/ - mem_heap_t* heap); /* in: heap to empty */ + mem_heap_t* heap); /*!< in: heap to empty */ /********************************************************************* Returns a pointer to the topmost element in a memory heap. -The size of the element must be given. */ +The size of the element must be given. +@return pointer to the topmost element */ UNIV_INLINE void* mem_heap_get_top( /*=============*/ - /* out: pointer to the topmost element */ - mem_heap_t* heap, /* in: memory heap */ - ulint n); /* in: size of the topmost element */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: size of the topmost element */ /********************************************************************* Frees the topmost element in a memory heap. The size of the element must be given. */ @@ -202,15 +198,15 @@ UNIV_INLINE void mem_heap_free_top( /*==============*/ - mem_heap_t* heap, /* in: memory heap */ - ulint n); /* in: size of the topmost element */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: size of the topmost element */ /********************************************************************* Returns the space in bytes occupied by a memory heap. */ UNIV_INLINE ulint mem_heap_get_size( /*==============*/ - mem_heap_t* heap); /* in: heap */ + mem_heap_t* heap); /*!< in: heap */ /****************************************************************** Use this macro instead of the corresponding function! Macro for memory buffer allocation */ @@ -223,17 +219,17 @@ Macro for memory buffer allocation */ NOTE: Use the corresponding macro instead of this function. Allocates a single buffer of memory from the dynamic memory of the C compiler. Is like malloc of C. The buffer must be freed -with mem_free. */ +with mem_free. +@return own: free storage */ UNIV_INLINE void* mem_alloc_func( /*===========*/ - /* out, own: free storage */ - ulint n, /* in: requested size in bytes */ - ulint* size, /* out: allocated size in bytes, + ulint n, /*!< in: requested size in bytes */ + ulint* size, /*!< out: allocated size in bytes, or NULL */ - const char* file_name, /* in: file name where created */ - ulint line); /* in: line where created */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ /****************************************************************** Use this macro instead of the corresponding function! @@ -248,98 +244,96 @@ UNIV_INLINE void mem_free_func( /*==========*/ - void* ptr, /* in, own: buffer to be freed */ - const char* file_name, /* in: file name where created */ - ulint line); /* in: line where created */ + void* ptr, /*!< in, own: buffer to be freed */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ /************************************************************************** -Duplicates a NUL-terminated string. */ +Duplicates a NUL-terminated string. +@return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE char* mem_strdup( /*=======*/ - /* out, own: a copy of the string, - must be deallocated with mem_free */ - const char* str); /* in: string to be copied */ + const char* str); /*!< in: string to be copied */ /************************************************************************** -Makes a NUL-terminated copy of a nonterminated string. */ +Makes a NUL-terminated copy of a nonterminated string. +@return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE char* mem_strdupl( /*========*/ - /* out, own: a copy of the string, - must be deallocated with mem_free */ - const char* str, /* in: string to be copied */ - ulint len); /* in: length of str, in bytes */ + const char* str, /*!< in: string to be copied */ + ulint len); /*!< in: length of str, in bytes */ /************************************************************************** -Duplicates a NUL-terminated string, allocated from a memory heap. */ +Duplicates a NUL-terminated string, allocated from a memory heap. +@return own: a copy of the string */ UNIV_INTERN char* mem_heap_strdup( /*============*/ - /* out, own: a copy of the string */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* str); /* in: string to be copied */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str); /*!< in: string to be copied */ /************************************************************************** Makes a NUL-terminated copy of a nonterminated string, -allocated from a memory heap. */ +allocated from a memory heap. +@return own: a copy of the string */ UNIV_INLINE char* mem_heap_strdupl( /*=============*/ - /* out, own: a copy of the string */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* str, /* in: string to be copied */ - ulint len); /* in: length of str, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str, /*!< in: string to be copied */ + ulint len); /*!< in: length of str, in bytes */ /************************************************************************** -Concatenate two strings and return the result, using a memory heap. */ +Concatenate two strings and return the result, using a memory heap. +@return own: the result */ UNIV_INTERN char* mem_heap_strcat( /*============*/ - /* out, own: the result */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* s1, /* in: string 1 */ - const char* s2); /* in: string 2 */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* s1, /*!< in: string 1 */ + const char* s2); /*!< in: string 2 */ /************************************************************************** -Duplicate a block of data, allocated from a memory heap. */ +Duplicate a block of data, allocated from a memory heap. +@return own: a copy of the data */ UNIV_INTERN void* mem_heap_dup( /*=========*/ - /* out, own: a copy of the data */ - mem_heap_t* heap, /* in: memory heap where copy is allocated */ - const void* data, /* in: data to be copied */ - ulint len); /* in: length of data, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ + const void* data, /*!< in: data to be copied */ + ulint len); /*!< in: length of data, in bytes */ /************************************************************************** -Concatenate two memory blocks and return the result, using a memory heap. */ +Concatenate two memory blocks and return the result, using a memory heap. +@return own: the result */ UNIV_INTERN void* mem_heap_cat( /*=========*/ - /* out, own: the result */ - mem_heap_t* heap, /* in: memory heap where result is allocated */ - const void* b1, /* in: block 1 */ - ulint len1, /* in: length of b1, in bytes */ - const void* b2, /* in: block 2 */ - ulint len2); /* in: length of b2, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where result is allocated */ + const void* b1, /*!< in: block 1 */ + ulint len1, /*!< in: length of b1, in bytes */ + const void* b2, /*!< in: block 2 */ + ulint len2); /*!< in: length of b2, in bytes */ /******************************************************************** A simple (s)printf replacement that dynamically allocates the space for the formatted string from the given heap. This supports a very limited set of the printf syntax: types 's' and 'u' and length modifier 'l' (which is -required for the 'u' type). */ +required for the 'u' type). +@return heap-allocated formatted string */ UNIV_INTERN char* mem_heap_printf( /*============*/ - /* out: heap-allocated formatted string */ - mem_heap_t* heap, /* in: memory heap */ - const char* format, /* in: format string */ + mem_heap_t* heap, /*!< in: memory heap */ + const char* format, /*!< in: format string */ ...) __attribute__ ((format (printf, 2, 3))); #ifdef MEM_PERIODIC_CHECK diff --git a/include/mem0mem.ic b/include/mem0mem.ic index 03542d3d6f2..0089f2a24f9 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -28,29 +28,27 @@ Created 6/8/1994 Heikki Tuuri #endif /* !UNIV_HOTBACKUP */ /******************************************************************* -Creates a memory heap block where data can be allocated. */ +Creates a memory heap block where data can be allocated. +@return own: memory heap block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_create_block( /*==================*/ - /* out, own: memory heap block, NULL if - did not succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps) */ - mem_heap_t* heap, /* in: memory heap or NULL if first block + mem_heap_t* heap, /*!< in: memory heap or NULL if first block should be created */ - ulint n, /* in: number of bytes needed for user data */ - ulint type, /* in: type of heap: MEM_HEAP_DYNAMIC or + ulint n, /*!< in: number of bytes needed for user data */ + ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or MEM_HEAP_BUFFER */ - const char* file_name,/* in: file name where created */ - ulint line); /* in: line where created */ + const char* file_name,/*!< in: file name where created */ + ulint line); /*!< in: line where created */ /********************************************************************** Frees a block from a memory heap. */ UNIV_INTERN void mem_heap_block_free( /*================*/ - mem_heap_t* heap, /* in: heap */ - mem_block_t* block); /* in: block to free */ + mem_heap_t* heap, /*!< in: heap */ + mem_block_t* block); /*!< in: block to free */ #ifndef UNIV_HOTBACKUP /********************************************************************** Frees the free_block field from a memory heap. */ @@ -58,19 +56,17 @@ UNIV_INTERN void mem_heap_free_block_free( /*=====================*/ - mem_heap_t* heap); /* in: heap */ + mem_heap_t* heap); /*!< in: heap */ #endif /* !UNIV_HOTBACKUP */ /******************************************************************* -Adds a new block to a memory heap. */ +Adds a new block to a memory heap. +@return created block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_add_block( /*===============*/ - /* out: created block, NULL if did not - succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps)*/ - mem_heap_t* heap, /* in: memory heap */ - ulint n); /* in: number of bytes user needs */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes user needs */ UNIV_INLINE void @@ -139,14 +135,14 @@ mem_block_get_start(mem_block_t* block) } /******************************************************************* -Allocates and zero-fills n bytes of memory from a memory heap. */ +Allocates and zero-fills n bytes of memory from a memory heap. +@return allocated, zero-filled storage */ UNIV_INLINE void* mem_heap_zalloc( /*============*/ - /* out: allocated, zero-filled storage */ - mem_heap_t* heap, /* in: memory heap */ - ulint n) /* in: number of bytes; if the heap is allowed + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ { @@ -156,16 +152,14 @@ mem_heap_zalloc( } /******************************************************************* -Allocates n bytes of memory from a memory heap. */ +Allocates n bytes of memory from a memory heap. +@return allocated storage, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE void* mem_heap_alloc( /*===========*/ - /* out: allocated storage, NULL if did not - succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps) */ - mem_heap_t* heap, /* in: memory heap */ - ulint n) /* in: number of bytes; if the heap is allowed + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ { @@ -220,13 +214,13 @@ mem_heap_alloc( } /********************************************************************* -Returns a pointer to the heap top. */ +Returns a pointer to the heap top. +@return pointer to the heap top */ UNIV_INLINE byte* mem_heap_get_heap_top( /*==================*/ - /* out: pointer to the heap top */ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { mem_block_t* block; byte* buf; @@ -248,8 +242,8 @@ UNIV_INLINE void mem_heap_free_heap_top( /*===================*/ - mem_heap_t* heap, /* in: heap from which to free */ - byte* old_top)/* in: pointer to old top of heap */ + mem_heap_t* heap, /*!< in: heap from which to free */ + byte* old_top)/*!< in: pointer to old top of heap */ { mem_block_t* block; mem_block_t* prev_block; @@ -330,7 +324,7 @@ UNIV_INLINE void mem_heap_empty( /*===========*/ - mem_heap_t* heap) /* in: heap to empty */ + mem_heap_t* heap) /*!< in: heap to empty */ { mem_heap_free_heap_top(heap, (byte*)heap + mem_block_get_start(heap)); #ifndef UNIV_HOTBACKUP @@ -342,14 +336,14 @@ mem_heap_empty( /********************************************************************* Returns a pointer to the topmost element in a memory heap. The size of the -element must be given. */ +element must be given. +@return pointer to the topmost element */ UNIV_INLINE void* mem_heap_get_top( /*=============*/ - /* out: pointer to the topmost element */ - mem_heap_t* heap, /* in: memory heap */ - ulint n) /* in: size of the topmost element */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: size of the topmost element */ { mem_block_t* block; void* buf; @@ -382,8 +376,8 @@ UNIV_INLINE void mem_heap_free_top( /*==============*/ - mem_heap_t* heap, /* in: memory heap */ - ulint n) /* in: size of the topmost element */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: size of the topmost element */ { mem_block_t* block; @@ -421,21 +415,19 @@ mem_heap_free_top( /********************************************************************* NOTE: Use the corresponding macros instead of this function. Creates a memory heap. For debugging purposes, takes also the file name and line as -argument. */ +argument. +@return own: memory heap, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE mem_heap_t* mem_heap_create_func( /*=================*/ - /* out, own: memory heap, NULL if - did not succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps)*/ - ulint n, /* in: desired start block size, + ulint n, /*!< in: desired start block size, this means that a single user buffer of size n will fit in the block, 0 creates a default size block */ - ulint type, /* in: heap type */ - const char* file_name, /* in: file name where created */ - ulint line) /* in: line where created */ + ulint type, /*!< in: heap type */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ { mem_block_t* block; @@ -472,9 +464,9 @@ UNIV_INLINE void mem_heap_free_func( /*===============*/ - mem_heap_t* heap, /* in, own: heap to be freed */ + mem_heap_t* heap, /*!< in, own: heap to be freed */ const char* file_name __attribute__((unused)), - /* in: file name where freed */ + /*!< in: file name where freed */ ulint line __attribute__((unused))) { mem_block_t* block; @@ -514,17 +506,17 @@ mem_heap_free_func( NOTE: Use the corresponding macro instead of this function. Allocates a single buffer of memory from the dynamic memory of the C compiler. Is like malloc of C. The buffer must be freed -with mem_free. */ +with mem_free. +@return own: free storage */ UNIV_INLINE void* mem_alloc_func( /*===========*/ - /* out, own: free storage */ - ulint n, /* in: desired number of bytes */ - ulint* size, /* out: allocated size in bytes, + ulint n, /*!< in: desired number of bytes */ + ulint* size, /*!< out: allocated size in bytes, or NULL */ - const char* file_name, /* in: file name where created */ - ulint line) /* in: line where created */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ { mem_heap_t* heap; void* buf; @@ -563,9 +555,9 @@ UNIV_INLINE void mem_free_func( /*==========*/ - void* ptr, /* in, own: buffer to be freed */ - const char* file_name, /* in: file name where created */ - ulint line) /* in: line where created */ + void* ptr, /*!< in, own: buffer to be freed */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ { mem_heap_t* heap; @@ -580,7 +572,7 @@ UNIV_INLINE ulint mem_heap_get_size( /*==============*/ - mem_heap_t* heap) /* in: heap */ + mem_heap_t* heap) /*!< in: heap */ { ulint size = 0; @@ -598,29 +590,27 @@ mem_heap_get_size( } /************************************************************************** -Duplicates a NUL-terminated string. */ +Duplicates a NUL-terminated string. +@return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE char* mem_strdup( /*=======*/ - /* out, own: a copy of the string, - must be deallocated with mem_free */ - const char* str) /* in: string to be copied */ + const char* str) /*!< in: string to be copied */ { ulint len = strlen(str) + 1; return((char*) memcpy(mem_alloc(len), str, len)); } /************************************************************************** -Makes a NUL-terminated copy of a nonterminated string. */ +Makes a NUL-terminated copy of a nonterminated string. +@return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE char* mem_strdupl( /*========*/ - /* out, own: a copy of the string, - must be deallocated with mem_free */ - const char* str, /* in: string to be copied */ - ulint len) /* in: length of str, in bytes */ + const char* str, /*!< in: string to be copied */ + ulint len) /*!< in: length of str, in bytes */ { char* s = (char*) mem_alloc(len + 1); s[len] = 0; @@ -629,15 +619,15 @@ mem_strdupl( /************************************************************************** Makes a NUL-terminated copy of a nonterminated string, -allocated from a memory heap. */ +allocated from a memory heap. +@return own: a copy of the string */ UNIV_INLINE char* mem_heap_strdupl( /*=============*/ - /* out, own: a copy of the string */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* str, /* in: string to be copied */ - ulint len) /* in: length of str, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str, /*!< in: string to be copied */ + ulint len) /*!< in: length of str, in bytes */ { char* s = (char*) mem_heap_alloc(heap, len + 1); s[len] = 0; diff --git a/include/mem0pool.h b/include/mem0pool.h index 7e51b07bfe0..57112f015e1 100644 --- a/include/mem0pool.h +++ b/include/mem0pool.h @@ -51,44 +51,44 @@ struct mem_area_struct{ UNIV_MEM_ALIGNMENT)) /************************************************************************ -Creates a memory pool. */ +Creates a memory pool. +@return memory pool */ UNIV_INTERN mem_pool_t* mem_pool_create( /*============*/ - /* out: memory pool */ - ulint size); /* in: pool size in bytes */ + ulint size); /*!< in: pool size in bytes */ /************************************************************************ Allocates memory from a pool. NOTE: This low-level function should only be -used in mem0mem.*! */ +used in mem0mem.*! +@return own: allocated memory buffer */ UNIV_INTERN void* mem_area_alloc( /*===========*/ - /* out, own: allocated memory buffer */ - ulint* psize, /* in: requested size in bytes; for optimum + ulint* psize, /*!< in: requested size in bytes; for optimum space usage, the size should be a power of 2 minus MEM_AREA_EXTRA_SIZE; out: allocated size in bytes (greater than or equal to the requested size) */ - mem_pool_t* pool); /* in: memory pool */ + mem_pool_t* pool); /*!< in: memory pool */ /************************************************************************ Frees memory to a pool. */ UNIV_INTERN void mem_area_free( /*==========*/ - void* ptr, /* in, own: pointer to allocated memory + void* ptr, /*!< in, own: pointer to allocated memory buffer */ - mem_pool_t* pool); /* in: memory pool */ + mem_pool_t* pool); /*!< in: memory pool */ /************************************************************************ -Returns the amount of reserved memory. */ +Returns the amount of reserved memory. +@return reserved mmeory in bytes */ UNIV_INTERN ulint mem_pool_get_reserved( /*==================*/ - /* out: reserved mmeory in bytes */ - mem_pool_t* pool); /* in: memory pool */ + mem_pool_t* pool); /*!< in: memory pool */ /************************************************************************ Reserves the mem pool mutex. */ UNIV_INTERN @@ -102,21 +102,21 @@ void mem_pool_mutex_exit(void); /*=====================*/ /************************************************************************ -Validates a memory pool. */ +Validates a memory pool. +@return TRUE if ok */ UNIV_INTERN ibool mem_pool_validate( /*==============*/ - /* out: TRUE if ok */ - mem_pool_t* pool); /* in: memory pool */ + mem_pool_t* pool); /*!< in: memory pool */ /************************************************************************ Prints info of a memory pool. */ UNIV_INTERN void mem_pool_print_info( /*================*/ - FILE* outfile,/* in: output file to write to */ - mem_pool_t* pool); /* in: memory pool */ + FILE* outfile,/*!< in: output file to write to */ + mem_pool_t* pool); /*!< in: memory pool */ #ifndef UNIV_NONINL diff --git a/include/mtr0log.h b/include/mtr0log.h index 0bcb5bb80ea..7ef2b8961fd 100644 --- a/include/mtr0log.h +++ b/include/mtr0log.h @@ -37,10 +37,10 @@ UNIV_INTERN void mlog_write_ulint( /*=============*/ - byte* ptr, /* in: pointer where to write */ - ulint val, /* in: value to write */ - byte type, /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr); /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + ulint val, /*!< in: value to write */ + byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ Writes 8 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -48,9 +48,9 @@ UNIV_INTERN void mlog_write_dulint( /*==============*/ - byte* ptr, /* in: pointer where to write */ - dulint val, /* in: value to write */ - mtr_t* mtr); /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + dulint val, /*!< in: value to write */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ Writes a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -58,10 +58,10 @@ UNIV_INTERN void mlog_write_string( /*==============*/ - byte* ptr, /* in: pointer where to write */ - const byte* str, /* in: string to write */ - ulint len, /* in: string length */ - mtr_t* mtr); /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + const byte* str, /*!< in: string to write */ + ulint len, /*!< in: string length */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ Logs a write of a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -69,9 +69,9 @@ UNIV_INTERN void mlog_log_string( /*============*/ - byte* ptr, /* in: pointer written to */ - ulint len, /* in: string length */ - mtr_t* mtr); /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer written to */ + ulint len, /*!< in: string length */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ Writes initial part of a log record consisting of one-byte item type and four-byte space and page numbers. */ @@ -79,67 +79,67 @@ UNIV_INTERN void mlog_write_initial_log_record( /*==========================*/ - const byte* ptr, /* in: pointer to (inside) a buffer + const byte* ptr, /*!< in: pointer to (inside) a buffer frame holding the file page where modification is made */ - byte type, /* in: log item type: MLOG_1BYTE, ... */ - mtr_t* mtr); /* in: mini-transaction handle */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ -Writes a log record about an .ibd file create/delete/rename. */ +Writes a log record about an .ibd file create/delete/rename. +@return new value of log_ptr */ UNIV_INLINE byte* mlog_write_initial_log_record_for_file_op( /*======================================*/ - /* out: new value of log_ptr */ - ulint type, /* in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or + ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or MLOG_FILE_RENAME */ - ulint space_id,/* in: space id, if applicable */ - ulint page_no,/* in: page number (not relevant currently) */ - byte* log_ptr,/* in: pointer to mtr log which has been opened */ - mtr_t* mtr); /* in: mtr */ + ulint space_id,/*!< in: space id, if applicable */ + ulint page_no,/*!< in: page number (not relevant currently) */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************ Catenates 1 - 4 bytes to the mtr log. */ UNIV_INLINE void mlog_catenate_ulint( /*================*/ - mtr_t* mtr, /* in: mtr */ - ulint val, /* in: value to write */ - ulint type); /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr, /*!< in: mtr */ + ulint val, /*!< in: value to write */ + ulint type); /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ /************************************************************ Catenates n bytes to the mtr log. */ UNIV_INTERN void mlog_catenate_string( /*=================*/ - mtr_t* mtr, /* in: mtr */ - const byte* str, /* in: string to write */ - ulint len); /* in: string length */ + mtr_t* mtr, /*!< in: mtr */ + const byte* str, /*!< in: string to write */ + ulint len); /*!< in: string length */ /************************************************************ Catenates a compressed ulint to mlog. */ UNIV_INLINE void mlog_catenate_ulint_compressed( /*===========================*/ - mtr_t* mtr, /* in: mtr */ - ulint val); /* in: value to write */ + mtr_t* mtr, /*!< in: mtr */ + ulint val); /*!< in: value to write */ /************************************************************ Catenates a compressed dulint to mlog. */ UNIV_INLINE void mlog_catenate_dulint_compressed( /*============================*/ - mtr_t* mtr, /* in: mtr */ - dulint val); /* in: value to write */ + mtr_t* mtr, /*!< in: mtr */ + dulint val); /*!< in: value to write */ /************************************************************ -Opens a buffer to mlog. It must be closed with mlog_close. */ +Opens a buffer to mlog. It must be closed with mlog_close. +@return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INLINE byte* mlog_open( /*======*/ - /* out: buffer, NULL if log mode MTR_LOG_NONE */ - mtr_t* mtr, /* in: mtr */ - ulint size); /* in: buffer size in bytes; MUST be + mtr_t* mtr, /*!< in: mtr */ + ulint size); /*!< in: buffer size in bytes; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ /************************************************************ Closes a buffer opened to mlog. */ @@ -147,99 +147,94 @@ UNIV_INLINE void mlog_close( /*=======*/ - mtr_t* mtr, /* in: mtr */ - byte* ptr); /* in: buffer space from ptr up was not used */ + mtr_t* mtr, /*!< in: mtr */ + byte* ptr); /*!< in: buffer space from ptr up was not used */ /************************************************************ Writes the initial part of a log record (3..11 bytes). If the implementation of this function is changed, all -size parameters to mlog_open() should be adjusted accordingly! */ +size parameters to mlog_open() should be adjusted accordingly! +@return new value of log_ptr */ UNIV_INLINE byte* mlog_write_initial_log_record_fast( /*===============================*/ - /* out: new value of log_ptr */ - const byte* ptr, /* in: pointer to (inside) a buffer + const byte* ptr, /*!< in: pointer to (inside) a buffer frame holding the file page where modification is made */ - byte type, /* in: log item type: MLOG_1BYTE, ... */ - byte* log_ptr,/* in: pointer to mtr log which has + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ #else /* !UNIV_HOTBACKUP */ # define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) # define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Parses an initial log record written by mlog_write_initial_log_record. */ +Parses an initial log record written by mlog_write_initial_log_record. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_initial_log_record( /*==========================*/ - /* out: parsed record end, NULL if not a complete - record */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* type, /* out: log record type: MLOG_1BYTE, ... */ - ulint* space, /* out: space id */ - ulint* page_no);/* out: page number */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ + ulint* space, /*!< out: space id */ + ulint* page_no);/*!< out: page number */ /************************************************************ -Parses a log record written by mlog_write_ulint or mlog_write_dulint. */ +Parses a log record written by mlog_write_ulint or mlog_write_dulint. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_nbytes( /*==============*/ - /* out: parsed record end, NULL if not a complete - record */ - ulint type, /* in: log record type: MLOG_1BYTE, ... */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* page, /* in: page where to apply the log record, or NULL */ - void* page_zip);/* in/out: compressed page, or NULL */ + ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip);/*!< in/out: compressed page, or NULL */ /************************************************************ -Parses a log record written by mlog_write_string. */ +Parses a log record written by mlog_write_string. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_string( /*==============*/ - /* out: parsed record end, NULL if not a complete - record */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* page, /* in: page where to apply the log record, or NULL */ - void* page_zip);/* in/out: compressed page, or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip);/*!< in/out: compressed page, or NULL */ #ifndef UNIV_HOTBACKUP /************************************************************ Opens a buffer for mlog, writes the initial log record and, if needed, the field lengths of an index. Reserves space for further log entries. The log entry must be closed with -mtr_close(). */ +mtr_close(). +@return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INTERN byte* mlog_open_and_write_index( /*======================*/ - /* out: buffer, NULL if log mode - MTR_LOG_NONE */ - mtr_t* mtr, /* in: mtr */ - byte* rec, /* in: index record or page */ - dict_index_t* index, /* in: record descriptor */ - byte type, /* in: log item type */ - ulint size); /* in: requested buffer size in bytes + mtr_t* mtr, /*!< in: mtr */ + byte* rec, /*!< in: index record or page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: log item type */ + ulint size); /*!< in: requested buffer size in bytes (if 0, calls mlog_close() and returns NULL) */ #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Parses a log record written by mlog_open_and_write_index. */ +Parses a log record written by mlog_open_and_write_index. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_index( /*=============*/ - /* out: parsed record end, - NULL if not a complete record */ - byte* ptr, /* in: buffer */ - const byte* end_ptr,/* in: buffer end */ - ibool comp, /* in: TRUE=compact record format */ - dict_index_t** index); /* out, own: dummy index */ + byte* ptr, /*!< in: buffer */ + const byte* end_ptr,/*!< in: buffer end */ + ibool comp, /*!< in: TRUE=compact record format */ + dict_index_t** index); /*!< out, own: dummy index */ #ifndef UNIV_HOTBACKUP /* Insert, update, and maybe other functions may use this value to define an diff --git a/include/mtr0log.ic b/include/mtr0log.ic index ba0a03fbad0..e6615bf2b15 100644 --- a/include/mtr0log.ic +++ b/include/mtr0log.ic @@ -28,14 +28,14 @@ Created 12/7/1995 Heikki Tuuri #include "buf0buf.h" /************************************************************ -Opens a buffer to mlog. It must be closed with mlog_close. */ +Opens a buffer to mlog. It must be closed with mlog_close. +@return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INLINE byte* mlog_open( /*======*/ - /* out: buffer, NULL if log mode MTR_LOG_NONE */ - mtr_t* mtr, /* in: mtr */ - ulint size) /* in: buffer size in bytes; MUST be + mtr_t* mtr, /*!< in: mtr */ + ulint size) /*!< in: buffer size in bytes; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ { dyn_array_t* mlog; @@ -58,8 +58,8 @@ UNIV_INLINE void mlog_close( /*=======*/ - mtr_t* mtr, /* in: mtr */ - byte* ptr) /* in: buffer space from ptr up was not used */ + mtr_t* mtr, /*!< in: mtr */ + byte* ptr) /*!< in: buffer space from ptr up was not used */ { dyn_array_t* mlog; @@ -76,9 +76,9 @@ UNIV_INLINE void mlog_catenate_ulint( /*================*/ - mtr_t* mtr, /* in: mtr */ - ulint val, /* in: value to write */ - ulint type) /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr, /*!< in: mtr */ + ulint val, /*!< in: value to write */ + ulint type) /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ { dyn_array_t* mlog; byte* ptr; @@ -120,8 +120,8 @@ UNIV_INLINE void mlog_catenate_ulint_compressed( /*===========================*/ - mtr_t* mtr, /* in: mtr */ - ulint val) /* in: value to write */ + mtr_t* mtr, /*!< in: mtr */ + ulint val) /*!< in: value to write */ { byte* log_ptr; @@ -144,8 +144,8 @@ UNIV_INLINE void mlog_catenate_dulint_compressed( /*============================*/ - mtr_t* mtr, /* in: mtr */ - dulint val) /* in: value to write */ + mtr_t* mtr, /*!< in: mtr */ + dulint val) /*!< in: value to write */ { byte* log_ptr; @@ -165,19 +165,19 @@ mlog_catenate_dulint_compressed( /************************************************************ Writes the initial part of a log record (3..11 bytes). If the implementation of this function is changed, all -size parameters to mlog_open() should be adjusted accordingly! */ +size parameters to mlog_open() should be adjusted accordingly! +@return new value of log_ptr */ UNIV_INLINE byte* mlog_write_initial_log_record_fast( /*===============================*/ - /* out: new value of log_ptr */ - const byte* ptr, /* in: pointer to (inside) a buffer + const byte* ptr, /*!< in: pointer to (inside) a buffer frame holding the file page where modification is made */ - byte type, /* in: log item type: MLOG_1BYTE, ... */ - byte* log_ptr,/* in: pointer to mtr log which has + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { #ifdef UNIV_DEBUG buf_block_t* block; @@ -220,18 +220,18 @@ mlog_write_initial_log_record_fast( } /************************************************************ -Writes a log record about an .ibd file create/delete/rename. */ +Writes a log record about an .ibd file create/delete/rename. +@return new value of log_ptr */ UNIV_INLINE byte* mlog_write_initial_log_record_for_file_op( /*======================================*/ - /* out: new value of log_ptr */ - ulint type, /* in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or + ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or MLOG_FILE_RENAME */ - ulint space_id,/* in: space id, if applicable */ - ulint page_no,/* in: page number (not relevant currently) */ - byte* log_ptr,/* in: pointer to mtr log which has been opened */ - mtr_t* mtr) /* in: mtr */ + ulint space_id,/*!< in: space id, if applicable */ + ulint page_no,/*!< in: page number (not relevant currently) */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(log_ptr); diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 3d98f957960..ca5e99b751f 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -168,29 +168,28 @@ parameter was initially written as 0. */ /******************************************************************* Starts a mini-transaction and creates a mini-transaction handle -and buffer in the memory buffer given by the caller. */ +and buffer in the memory buffer given by the caller. +@return mtr buffer which also acts as the mtr handle */ UNIV_INLINE mtr_t* mtr_start( /*======*/ - /* out: mtr buffer which also acts as - the mtr handle */ - mtr_t* mtr); /* in: memory buffer for the mtr buffer */ + mtr_t* mtr); /*!< in: memory buffer for the mtr buffer */ /******************************************************************* Commits a mini-transaction. */ UNIV_INTERN void mtr_commit( /*=======*/ - mtr_t* mtr); /* in: mini-transaction */ + mtr_t* mtr); /*!< in: mini-transaction */ /************************************************************** -Sets and returns a savepoint in mtr. */ +Sets and returns a savepoint in mtr. +@return savepoint */ UNIV_INLINE ulint mtr_set_savepoint( /*==============*/ - /* out: savepoint */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************** Releases the latches stored in an mtr memo down to a savepoint. NOTE! The mtr must not have made changes to buffer pages after the @@ -199,8 +198,8 @@ UNIV_INTERN void mtr_rollback_to_savepoint( /*======================*/ - mtr_t* mtr, /* in: mtr */ - ulint savepoint); /* in: savepoint */ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint); /*!< in: savepoint */ #ifndef UNIV_HOTBACKUP /************************************************************** Releases the (index tree) s-latch stored in an mtr memo after a @@ -209,48 +208,48 @@ UNIV_INLINE void mtr_release_s_latch_at_savepoint( /*=============================*/ - mtr_t* mtr, /* in: mtr */ - ulint savepoint, /* in: savepoint */ - rw_lock_t* lock); /* in: latch to release */ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint, /*!< in: savepoint */ + rw_lock_t* lock); /*!< in: latch to release */ #else /* !UNIV_HOTBACKUP */ # define mtr_release_s_latch_at_savepoint(mtr,savepoint,lock) ((void) 0) #endif /* !UNIV_HOTBACKUP */ /******************************************************************* -Gets the logging mode of a mini-transaction. */ +Gets the logging mode of a mini-transaction. +@return logging mode: MTR_LOG_NONE, ... */ UNIV_INLINE ulint mtr_get_log_mode( /*=============*/ - /* out: logging mode: MTR_LOG_NONE, ... */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************* -Changes the logging mode of a mini-transaction. */ +Changes the logging mode of a mini-transaction. +@return old mode */ UNIV_INLINE ulint mtr_set_log_mode( /*=============*/ - /* out: old mode */ - mtr_t* mtr, /* in: mtr */ - ulint mode); /* in: logging mode: MTR_LOG_NONE, ... */ + mtr_t* mtr, /*!< in: mtr */ + ulint mode); /*!< in: logging mode: MTR_LOG_NONE, ... */ /************************************************************ -Reads 1 - 4 bytes from a file page buffered in the buffer pool. */ +Reads 1 - 4 bytes from a file page buffered in the buffer pool. +@return value read */ UNIV_INTERN ulint mtr_read_ulint( /*===========*/ - /* out: value read */ - const byte* ptr, /* in: pointer from where to read */ - ulint type, /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr); /* in: mini-transaction handle */ + const byte* ptr, /*!< in: pointer from where to read */ + ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /************************************************************ -Reads 8 bytes from a file page buffered in the buffer pool. */ +Reads 8 bytes from a file page buffered in the buffer pool. +@return value read */ UNIV_INTERN dulint mtr_read_dulint( /*============*/ - /* out: value read */ - const byte* ptr, /* in: pointer from where to read */ - mtr_t* mtr); /* in: mini-transaction handle */ + const byte* ptr, /*!< in: pointer from where to read */ + mtr_t* mtr); /*!< in: mini-transaction handle */ #ifndef UNIV_HOTBACKUP /************************************************************************* This macro locks an rw-lock in s-mode. */ @@ -267,10 +266,10 @@ UNIV_INLINE void mtr_s_lock_func( /*============*/ - rw_lock_t* lock, /* in: rw-lock */ - const char* file, /* in: file name */ - ulint line, /* in: line number */ - mtr_t* mtr); /* in: mtr */ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************* NOTE! Use the macro above! Locks a lock in x-mode. */ @@ -278,10 +277,10 @@ UNIV_INLINE void mtr_x_lock_func( /*============*/ - rw_lock_t* lock, /* in: rw-lock */ - const char* file, /* in: file name */ - ulint line, /* in: line number */ - mtr_t* mtr); /* in: mtr */ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /******************************************************* @@ -290,39 +289,39 @@ UNIV_INTERN void mtr_memo_release( /*=============*/ - mtr_t* mtr, /* in: mtr */ - void* object, /* in: object */ - ulint type); /* in: object type: MTR_MEMO_S_LOCK, ... */ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ #ifdef UNIV_DEBUG # ifndef UNIV_HOTBACKUP /************************************************************** -Checks if memo contains the given item. */ +Checks if memo contains the given item. +@return TRUE if contains */ UNIV_INLINE ibool mtr_memo_contains( /*==============*/ - /* out: TRUE if contains */ - mtr_t* mtr, /* in: mtr */ - const void* object, /* in: object to search */ - ulint type); /* in: type of object */ + mtr_t* mtr, /*!< in: mtr */ + const void* object, /*!< in: object to search */ + ulint type); /*!< in: type of object */ /************************************************************** -Checks if memo contains the given page. */ +Checks if memo contains the given page. +@return TRUE if contains */ UNIV_INTERN ibool mtr_memo_contains_page( /*===================*/ - /* out: TRUE if contains */ - mtr_t* mtr, /* in: mtr */ - const byte* ptr, /* in: pointer to buffer frame */ - ulint type); /* in: type of object */ + mtr_t* mtr, /*!< in: mtr */ + const byte* ptr, /*!< in: pointer to buffer frame */ + ulint type); /*!< in: type of object */ /************************************************************* Prints info of an mtr handle. */ UNIV_INTERN void mtr_print( /*======*/ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ # else /* !UNIV_HOTBACKUP */ # define mtr_memo_contains(mtr, object, type) TRUE # define mtr_memo_contains_page(mtr, ptr, type) TRUE @@ -333,22 +332,22 @@ mtr_print( #define MTR_BUF_MEMO_SIZE 200 /* number of slots in memo */ /******************************************************************* -Returns the log object of a mini-transaction buffer. */ +Returns the log object of a mini-transaction buffer. +@return log */ UNIV_INLINE dyn_array_t* mtr_get_log( /*========*/ - /* out: log */ - mtr_t* mtr); /* in: mini-transaction */ + mtr_t* mtr); /*!< in: mini-transaction */ /******************************************************* Pushes an object to an mtr memo stack. */ UNIV_INLINE void mtr_memo_push( /*==========*/ - mtr_t* mtr, /* in: mtr */ - void* object, /* in: object */ - ulint type); /* in: object type: MTR_MEMO_S_LOCK, ... */ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ /* Type definition of a mini-transaction memo stack slot. */ diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index da11e01163f..ae02ef07e1c 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -30,14 +30,13 @@ Created 11/26/1995 Heikki Tuuri /******************************************************************* Starts a mini-transaction and creates a mini-transaction handle -and a buffer in the memory buffer given by the caller. */ +and a buffer in the memory buffer given by the caller. +@return mtr buffer which also acts as the mtr handle */ UNIV_INLINE mtr_t* mtr_start( /*======*/ - /* out: mtr buffer which also acts as - the mtr handle */ - mtr_t* mtr) /* in: memory buffer for the mtr buffer */ + mtr_t* mtr) /*!< in: memory buffer for the mtr buffer */ { dyn_array_create(&(mtr->memo)); dyn_array_create(&(mtr->log)); @@ -58,9 +57,9 @@ UNIV_INLINE void mtr_memo_push( /*==========*/ - mtr_t* mtr, /* in: mtr */ - void* object, /* in: object */ - ulint type) /* in: object type: MTR_MEMO_S_LOCK, ... */ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ { dyn_array_t* memo; mtr_memo_slot_t* slot; @@ -80,13 +79,13 @@ mtr_memo_push( } /************************************************************** -Sets and returns a savepoint in mtr. */ +Sets and returns a savepoint in mtr. +@return savepoint */ UNIV_INLINE ulint mtr_set_savepoint( /*==============*/ - /* out: savepoint */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dyn_array_t* memo; @@ -106,9 +105,9 @@ UNIV_INLINE void mtr_release_s_latch_at_savepoint( /*=============================*/ - mtr_t* mtr, /* in: mtr */ - ulint savepoint, /* in: savepoint */ - rw_lock_t* lock) /* in: latch to release */ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint, /*!< in: savepoint */ + rw_lock_t* lock) /*!< in: latch to release */ { mtr_memo_slot_t* slot; dyn_array_t* memo; @@ -133,15 +132,15 @@ mtr_release_s_latch_at_savepoint( # ifdef UNIV_DEBUG /************************************************************** -Checks if memo contains the given item. */ +Checks if memo contains the given item. +@return TRUE if contains */ UNIV_INLINE ibool mtr_memo_contains( /*==============*/ - /* out: TRUE if contains */ - mtr_t* mtr, /* in: mtr */ - const void* object, /* in: object to search */ - ulint type) /* in: type of object */ + mtr_t* mtr, /*!< in: mtr */ + const void* object, /*!< in: object to search */ + ulint type) /*!< in: type of object */ { mtr_memo_slot_t* slot; dyn_array_t* memo; @@ -171,13 +170,13 @@ mtr_memo_contains( #endif /* !UNIV_HOTBACKUP */ /******************************************************************* -Returns the log object of a mini-transaction buffer. */ +Returns the log object of a mini-transaction buffer. +@return log */ UNIV_INLINE dyn_array_t* mtr_get_log( /*========*/ - /* out: log */ - mtr_t* mtr) /* in: mini-transaction */ + mtr_t* mtr) /*!< in: mini-transaction */ { ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); @@ -186,13 +185,13 @@ mtr_get_log( } /******************************************************************* -Gets the logging mode of a mini-transaction. */ +Gets the logging mode of a mini-transaction. +@return logging mode: MTR_LOG_NONE, ... */ UNIV_INLINE ulint mtr_get_log_mode( /*=============*/ - /* out: logging mode: MTR_LOG_NONE, ... */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mtr); ut_ad(mtr->log_mode >= MTR_LOG_ALL); @@ -202,14 +201,14 @@ mtr_get_log_mode( } /******************************************************************* -Changes the logging mode of a mini-transaction. */ +Changes the logging mode of a mini-transaction. +@return old mode */ UNIV_INLINE ulint mtr_set_log_mode( /*=============*/ - /* out: old mode */ - mtr_t* mtr, /* in: mtr */ - ulint mode) /* in: logging mode: MTR_LOG_NONE, ... */ + mtr_t* mtr, /*!< in: mtr */ + ulint mode) /*!< in: logging mode: MTR_LOG_NONE, ... */ { ulint old_mode; @@ -238,10 +237,10 @@ UNIV_INLINE void mtr_s_lock_func( /*============*/ - rw_lock_t* lock, /* in: rw-lock */ - const char* file, /* in: file name */ - ulint line, /* in: line number */ - mtr_t* mtr) /* in: mtr */ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mtr); ut_ad(lock); @@ -257,10 +256,10 @@ UNIV_INLINE void mtr_x_lock_func( /*============*/ - rw_lock_t* lock, /* in: rw-lock */ - const char* file, /* in: file name */ - ulint line, /* in: line number */ - mtr_t* mtr) /* in: mtr */ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mtr); ut_ad(lock); diff --git a/include/os0file.h b/include/os0file.h index 1e7381d3afc..4e67cb1b6d0 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -184,12 +184,12 @@ typedef DIR* os_file_dir_t; /* directory stream */ #endif /*************************************************************************** -Gets the operating system version. Currently works only on Windows. */ +Gets the operating system version. Currently works only on Windows. +@return OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ UNIV_INTERN ulint os_get_os_version(void); /*===================*/ - /* out: OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ #ifndef UNIV_HOTBACKUP /******************************************************************** Creates the seek mutexes used in positioned reads and writes. */ @@ -201,130 +201,121 @@ os_io_init_simple(void); Creates a temporary file. This function is like tmpfile(3), but the temporary file is created in the MySQL temporary directory. On Netware, this function is like tmpfile(3), because the C run-time -library of Netware does not expose the delete-on-close flag. */ +library of Netware does not expose the delete-on-close flag. +@return temporary file handle, or NULL on error */ FILE* os_file_create_tmpfile(void); /*========================*/ - /* out: temporary file handle, or NULL on error */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** The os_file_opendir() function opens a directory stream corresponding to the directory named by the dirname argument. The directory stream is positioned at the first entry. In both Unix and Windows we automatically skip the '.' -and '..' items at the start of the directory listing. */ +and '..' items at the start of the directory listing. +@return directory stream, NULL if error */ UNIV_INTERN os_file_dir_t os_file_opendir( /*============*/ - /* out: directory stream, NULL if - error */ - const char* dirname, /* in: directory name; it must not + const char* dirname, /*!< in: directory name; it must not contain a trailing '\' or '/' */ - ibool error_is_fatal);/* in: TRUE if we should treat an + ibool error_is_fatal);/*!< in: TRUE if we should treat an error as a fatal error; if we try to open symlinks then we do not wish a fatal error if it happens not to be a directory */ /*************************************************************************** -Closes a directory stream. */ +Closes a directory stream. +@return 0 if success, -1 if failure */ UNIV_INTERN int os_file_closedir( /*=============*/ - /* out: 0 if success, -1 if failure */ - os_file_dir_t dir); /* in: directory stream */ + os_file_dir_t dir); /*!< in: directory stream */ /*************************************************************************** This function returns information of the next file in the directory. We jump -over the '.' and '..' entries in the directory. */ +over the '.' and '..' entries in the directory. +@return 0 if ok, -1 if error, 1 if at the end of the directory */ UNIV_INTERN int os_file_readdir_next_file( /*======================*/ - /* out: 0 if ok, -1 if error, 1 if at the end - of the directory */ - const char* dirname,/* in: directory name or path */ - os_file_dir_t dir, /* in: directory stream */ - os_file_stat_t* info); /* in/out: buffer where the info is returned */ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info); /*!< in/out: buffer where the info is returned */ /********************************************************************* This function attempts to create a directory named pathname. The new directory gets default permissions. On Unix, the permissions are (0770 & ~umask). If the directory exists already, nothing is done and the call succeeds, unless the -fail_if_exists arguments is true. */ +fail_if_exists arguments is true. +@return TRUE if call succeeds, FALSE on error */ UNIV_INTERN ibool os_file_create_directory( /*=====================*/ - /* out: TRUE if call succeeds, - FALSE on error */ - const char* pathname, /* in: directory name as + const char* pathname, /*!< in: directory name as null-terminated string */ - ibool fail_if_exists);/* in: if TRUE, pre-existing directory + ibool fail_if_exists);/*!< in: if TRUE, pre-existing directory is treated as an error. */ /******************************************************************** -A simple function to open or create a file. */ +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple( /*==================*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file is + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error), or OS_FILE_CREATE_PATH if new file (if exists, error) and subdirectories along its path are created (if needed)*/ - ulint access_type,/* in: OS_FILE_READ_ONLY or + ulint access_type,/*!< in: OS_FILE_READ_ONLY or OS_FILE_READ_WRITE */ - ibool* success);/* out: TRUE if succeed, FALSE if error */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ /******************************************************************** -A simple function to open or create a file. */ +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple_no_error_handling( /*====================================*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error) */ - ulint access_type,/* in: OS_FILE_READ_ONLY, + ulint access_type,/*!< in: OS_FILE_READ_ONLY, OS_FILE_READ_WRITE, or OS_FILE_READ_ALLOW_DELETE; the last option is used by a backup program reading the file */ - ibool* success);/* out: TRUE if succeed, FALSE if error */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ /******************************************************************** Tries to disable OS caching on an opened file descriptor. */ UNIV_INTERN void os_file_set_nocache( /*================*/ - int fd, /* in: file descriptor to alter */ - const char* file_name, /* in: file name, used in the + int fd, /*!< in: file descriptor to alter */ + const char* file_name, /*!< in: file name, used in the diagnostic message */ - const char* operation_name);/* in: "open" or "create"; used in the + const char* operation_name);/*!< in: "open" or "create"; used in the diagnostic message */ /******************************************************************** -Opens an existing file or creates a new. */ +Opens an existing file or creates a new. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create( /*===========*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error), @@ -332,136 +323,134 @@ os_file_create( or an old overwritten; OS_FILE_OPEN_RAW, if a raw device or disk partition should be opened */ - ulint purpose,/* in: OS_FILE_AIO, if asynchronous, + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, non-buffered i/o is desired, OS_FILE_NORMAL, if any normal file; NOTE that it also depends on type, os_aio_.. and srv_.. variables whether we really use async i/o or unbuffered i/o: look in the function source code for the exact rules */ - ulint type, /* in: OS_DATA_FILE or OS_LOG_FILE */ - ibool* success);/* out: TRUE if succeed, FALSE if error */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ /*************************************************************************** -Deletes a file. The file has to be closed before calling this. */ +Deletes a file. The file has to be closed before calling this. +@return TRUE if success */ UNIV_INTERN ibool os_file_delete( /*===========*/ - /* out: TRUE if success */ - const char* name); /* in: file path as a null-terminated string */ + const char* name); /*!< in: file path as a null-terminated string */ /*************************************************************************** -Deletes a file if it exists. The file has to be closed before calling this. */ +Deletes a file if it exists. The file has to be closed before calling this. +@return TRUE if success */ UNIV_INTERN ibool os_file_delete_if_exists( /*=====================*/ - /* out: TRUE if success */ - const char* name); /* in: file path as a null-terminated string */ + const char* name); /*!< in: file path as a null-terminated string */ /*************************************************************************** Renames a file (can also move it to another directory). It is safest that the -file is closed before calling this function. */ +file is closed before calling this function. +@return TRUE if success */ UNIV_INTERN ibool os_file_rename( /*===========*/ - /* out: TRUE if success */ - const char* oldpath, /* in: old file path as a + const char* oldpath, /*!< in: old file path as a null-terminated string */ - const char* newpath); /* in: new file path */ + const char* newpath); /*!< in: new file path */ /*************************************************************************** Closes a file handle. In case of error, error number can be retrieved with -os_file_get_last_error. */ +os_file_get_last_error. +@return TRUE if success */ UNIV_INTERN ibool os_file_close( /*==========*/ - /* out: TRUE if success */ - os_file_t file); /* in, own: handle to a file */ + os_file_t file); /*!< in, own: handle to a file */ /*************************************************************************** -Closes a file handle. */ +Closes a file handle. +@return TRUE if success */ UNIV_INTERN ibool os_file_close_no_error_handling( /*============================*/ - /* out: TRUE if success */ - os_file_t file); /* in, own: handle to a file */ + os_file_t file); /*!< in, own: handle to a file */ /*************************************************************************** -Gets a file size. */ +Gets a file size. +@return TRUE if success */ UNIV_INTERN ibool os_file_get_size( /*=============*/ - /* out: TRUE if success */ - os_file_t file, /* in: handle to a file */ - ulint* size, /* out: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + ulint* size, /*!< out: least significant 32 bits of file size */ - ulint* size_high);/* out: most significant 32 bits of size */ + ulint* size_high);/*!< out: most significant 32 bits of size */ /*************************************************************************** -Gets file size as a 64-bit integer ib_int64_t. */ +Gets file size as a 64-bit integer ib_int64_t. +@return size in bytes, -1 if error */ UNIV_INTERN ib_int64_t os_file_get_size_as_iblonglong( /*===========================*/ - /* out: size in bytes, -1 if error */ - os_file_t file); /* in: handle to a file */ + os_file_t file); /*!< in: handle to a file */ /*************************************************************************** -Write the specified number of zeros to a newly created file. */ +Write the specified number of zeros to a newly created file. +@return TRUE if success */ UNIV_INTERN ibool os_file_set_size( /*=============*/ - /* out: TRUE if success */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - ulint size, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + ulint size, /*!< in: least significant 32 bits of file size */ - ulint size_high);/* in: most significant 32 bits of size */ + ulint size_high);/*!< in: most significant 32 bits of size */ /*************************************************************************** -Truncates a file at its current position. */ +Truncates a file at its current position. +@return TRUE if success */ UNIV_INTERN ibool os_file_set_eof( /*============*/ - /* out: TRUE if success */ - FILE* file); /* in: file to be truncated */ + FILE* file); /*!< in: file to be truncated */ /*************************************************************************** -Flushes the write buffers of a given file to the disk. */ +Flushes the write buffers of a given file to the disk. +@return TRUE if success */ UNIV_INTERN ibool os_file_flush( /*==========*/ - /* out: TRUE if success */ - os_file_t file); /* in, own: handle to a file */ + os_file_t file); /*!< in, own: handle to a file */ /*************************************************************************** Retrieves the last error number if an error occurs in a file io function. The number should be retrieved before any other OS calls (because they may overwrite the error number). If the number is not known to this program, -the OS error number + 100 is returned. */ +the OS error number + 100 is returned. +@return error number, or OS error number + 100 */ UNIV_INTERN ulint os_file_get_last_error( /*===================*/ - /* out: error number, or OS error - number + 100 */ - ibool report_all_errors); /* in: TRUE if we want an error message + ibool report_all_errors); /*!< in: TRUE if we want an error message printed of all errors */ /*********************************************************************** -Requests a synchronous read operation. */ +Requests a synchronous read operation. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_read( /*=========*/ - /* out: TRUE if request was - successful, FALSE if fail */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file offset where to read */ - ulint offset_high,/* in: most significant 32 bits of + ulint offset_high,/*!< in: most significant 32 bits of offset */ - ulint n); /* in: number of bytes to read */ + ulint n); /*!< in: number of bytes to read */ /*********************************************************************** Rewind file to its start, read at most size - 1 bytes from it to str, and NUL-terminate str. All errors are silently ignored. This function is @@ -470,53 +459,51 @@ UNIV_INTERN void os_file_read_string( /*================*/ - FILE* file, /* in: file to read from */ - char* str, /* in: buffer where to read */ - ulint size); /* in: size of buffer */ + FILE* file, /*!< in: file to read from */ + char* str, /*!< in: buffer where to read */ + ulint size); /*!< in: size of buffer */ /*********************************************************************** Requests a synchronous positioned read operation. This function does not do -any error handling. In case of error it returns FALSE. */ +any error handling. In case of error it returns FALSE. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_read_no_error_handling( /*===========================*/ - /* out: TRUE if request was - successful, FALSE if fail */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file offset where to read */ - ulint offset_high,/* in: most significant 32 bits of + ulint offset_high,/*!< in: most significant 32 bits of offset */ - ulint n); /* in: number of bytes to read */ + ulint n); /*!< in: number of bytes to read */ /*********************************************************************** -Requests a synchronous write operation. */ +Requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_write( /*==========*/ - /* out: TRUE if request was - successful, FALSE if fail */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - const void* buf, /* in: buffer from which to write */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file offset where to write */ - ulint offset_high,/* in: most significant 32 bits of + ulint offset_high,/*!< in: most significant 32 bits of offset */ - ulint n); /* in: number of bytes to write */ + ulint n); /*!< in: number of bytes to write */ /*********************************************************************** -Check the existence and type of the given file. */ +Check the existence and type of the given file. +@return TRUE if call succeeded */ UNIV_INTERN ibool os_file_status( /*===========*/ - /* out: TRUE if call succeeded */ - const char* path, /* in: pathname of the file */ - ibool* exists, /* out: TRUE if file exists */ - os_file_type_t* type); /* out: type of the file (if it exists) */ + const char* path, /*!< in: pathname of the file */ + ibool* exists, /*!< out: TRUE if file exists */ + os_file_type_t* type); /*!< out: type of the file (if it exists) */ /******************************************************************** The function os_file_dirname returns a directory component of a null-terminated pathname string. In the usual case, dirname returns @@ -543,23 +530,21 @@ returned by dirname and basename for different paths: "/" "/" "/" "." "." "." ".." "." ".." -*/ + +@return own: directory component of the pathname */ UNIV_INTERN char* os_file_dirname( /*============*/ - /* out, own: directory component of the - pathname */ - const char* path); /* in: pathname */ + const char* path); /*!< in: pathname */ /******************************************************************** -Creates all missing subdirectories along the given path. */ +Creates all missing subdirectories along the given path. +@return TRUE if call succeeded FALSE otherwise */ UNIV_INTERN ibool os_file_create_subdirs_if_needed( /*=============================*/ - /* out: TRUE if call succeeded - FALSE otherwise */ - const char* path); /* in: path name */ + const char* path); /*!< in: path name */ /**************************************************************************** Initializes the asynchronous io system. Creates separate aio array for non-ibuf read and write, a third aio array for the ibuf i/o, with just one @@ -567,27 +552,26 @@ segment, two aio arrays for log reads and writes with one segment, and a synchronous aio array of the specified size. The combined number of segments in the three first aio arrays is the parameter n_segments given to the function. The caller must create an i/o handler thread for each segment in -the four first arrays, but not for the sync aio array. */ +the four first arrays, but not for the sync aio array. +@return TRUE on success. */ UNIV_INTERN ibool os_aio_init( /*========*/ - /* out: TRUE on success. */ - ulint n, /* in: maximum number of pending aio operations + ulint n, /*!< in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ - ulint n_segments, /* in: combined number of segments in the four + ulint n_segments, /*!< in: combined number of segments in the four first aio arrays; must be >= 4 */ - ulint n_slots_sync); /* in: number of slots in the sync aio array */ + ulint n_slots_sync); /*!< in: number of slots in the sync aio array */ /*********************************************************************** -Requests an asynchronous i/o operation. */ +Requests an asynchronous i/o operation. +@return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN ibool os_aio( /*===*/ - /* out: TRUE if request was queued - successfully, FALSE if fail */ - ulint type, /* in: OS_FILE_READ or OS_FILE_WRITE */ - ulint mode, /* in: OS_AIO_NORMAL, ..., possibly ORed + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed to OS_AIO_SIMULATED_WAKE_LATER: the last flag advises this function not to wake i/o-handler threads, but the caller will @@ -600,21 +584,21 @@ os_aio( because i/os are not actually handled until all have been posted: use with great caution! */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read or from which + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read or from which to write */ - ulint offset, /* in: least significant 32 bits of file + ulint offset, /*!< in: least significant 32 bits of file offset where to read or write */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint n, /* in: number of bytes to read or write */ - fil_node_t* message1,/* in: message for the aio handler + ulint n, /*!< in: number of bytes to read or write */ + fil_node_t* message1,/*!< in: message for the aio handler (can be used to identify a completed aio operation); ignored if mode is OS_AIO_SYNC */ - void* message2);/* in: message for the aio handler + void* message2);/*!< in: message for the aio handler (can be used to identify a completed aio operation); ignored if mode is OS_AIO_SYNC */ @@ -655,13 +639,13 @@ Waits for an aio operation to complete. This function is used to wait the for completed requests. The aio array of pending requests is divided into segments. The thread specifies which segment or slot it wants to wait for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! */ +therefore no other thread is allowed to do the freeing! +@return TRUE if the aio operation succeeded */ UNIV_INTERN ibool os_aio_windows_handle( /*==================*/ - /* out: TRUE if the aio operation succeeded */ - ulint segment, /* in: the number of the segment in the aio + ulint segment, /*!< in: the number of the segment in the aio arrays to wait for; segment 0 is the ibuf i/o thread, segment 1 the log i/o thread, then follow the non-ibuf read threads, and as @@ -669,51 +653,51 @@ os_aio_windows_handle( this is ULINT_UNDEFINED, then it means that sync aio is used, and this parameter is ignored */ - ulint pos, /* this parameter is used only in sync aio: + ulint pos, /*!< this parameter is used only in sync aio: wait for the aio slot at this position */ - fil_node_t**message1, /* out: the messages passed with the aio + fil_node_t**message1, /*!< out: the messages passed with the aio request; note that also in the case where the aio operation failed, these output parameters are valid and can be used to restart the operation, for example */ void** message2, - ulint* type); /* out: OS_FILE_WRITE or ..._READ */ + ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ #endif /************************************************************************** Does simulated aio. This function should be called by an i/o-handler -thread. */ +thread. +@return TRUE if the aio operation succeeded */ UNIV_INTERN ibool os_aio_simulated_handle( /*====================*/ - /* out: TRUE if the aio operation succeeded */ - ulint segment, /* in: the number of the segment in the aio + ulint segment, /*!< in: the number of the segment in the aio arrays to wait for; segment 0 is the ibuf i/o thread, segment 1 the log i/o thread, then follow the non-ibuf read threads, and as the last are the non-ibuf write threads */ - fil_node_t**message1, /* out: the messages passed with the aio + fil_node_t**message1, /*!< out: the messages passed with the aio request; note that also in the case where the aio operation failed, these output parameters are valid and can be used to restart the operation, for example */ void** message2, - ulint* type); /* out: OS_FILE_WRITE or ..._READ */ + ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ /************************************************************************** -Validates the consistency of the aio system. */ +Validates the consistency of the aio system. +@return TRUE if ok */ UNIV_INTERN ibool os_aio_validate(void); /*=================*/ - /* out: TRUE if ok */ /************************************************************************** Prints info of the aio arrays. */ UNIV_INTERN void os_aio_print( /*=========*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /************************************************************************** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN @@ -732,26 +716,25 @@ os_aio_all_slots_free(void); #endif /* UNIV_DEBUG */ /*********************************************************************** -This function returns information about the specified file */ +This function returns information about the specified file +@return TRUE if stat information found */ UNIV_INTERN ibool os_file_get_status( /*===============*/ - /* out: TRUE if stat - information found */ - const char* path, /* in: pathname of the file */ - os_file_stat_t* stat_info); /* information of a file in a + const char* path, /*!< in: pathname of the file */ + os_file_stat_t* stat_info); /*!< information of a file in a directory */ #if !defined(UNIV_HOTBACKUP) && !defined(__NETWARE__) /************************************************************************* Creates a temporary file that will be deleted on close. -This function is defined in ha_innodb.cc. */ +This function is defined in ha_innodb.cc. +@return temporary file descriptor, or < 0 on error */ UNIV_INTERN int innobase_mysql_tmpfile(void); /*========================*/ - /* out: temporary file descriptor, or < 0 on error */ #endif /* !UNIV_HOTBACKUP && !__NETWARE__ */ @@ -762,24 +745,24 @@ Waits for an aio operation to complete. This function is used to wait the for completed requests. The aio array of pending requests is divided into segments. The thread specifies which segment or slot it wants to wait for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! */ +therefore no other thread is allowed to do the freeing! +@return TRUE if the IO was successful */ UNIV_INTERN ibool os_aio_linux_handle( /*================*/ - /* out: TRUE if the IO was successful */ - ulint global_seg, /* in: segment number in the aio array + ulint global_seg, /*!< in: segment number in the aio array to wait for; segment 0 is the ibuf i/o thread, segment 1 is log i/o thread, then follow the non-ibuf read threads, and the last are the non-ibuf write threads. */ - fil_node_t**message1, /* out: the messages passed with the */ - void** message2, /* aio request; note that in case the + fil_node_t**message1, /*!< out: the messages passed with the */ + void** message2, /*!< aio request; note that in case the aio operation failed, these output parameters are valid and can be used to restart the operation. */ - ulint* type); /* out: OS_FILE_WRITE or ..._READ */ + ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ #endif /* LINUX_NATIVE_AIO */ #endif diff --git a/include/os0proc.h b/include/os0proc.h index e4a353999fa..8810b86a381 100644 --- a/include/os0proc.h +++ b/include/os0proc.h @@ -44,29 +44,29 @@ extern ulint os_large_page_size; Converts the current process id to a number. It is not guaranteed that the number is unique. In Linux returns the 'process number' of the current thread. That number is the same as one sees in 'top', for example. In Linux -the thread id is not the same as one sees in 'top'. */ +the thread id is not the same as one sees in 'top'. +@return process id as a number */ UNIV_INTERN ulint os_proc_get_number(void); /*====================*/ - /* out: process id as a number */ /******************************************************************** -Allocates large pages memory. */ +Allocates large pages memory. +@return allocated memory */ UNIV_INTERN void* os_mem_alloc_large( /*===============*/ - /* out: allocated memory */ - ulint* n); /* in/out: number of bytes */ + ulint* n); /*!< in/out: number of bytes */ /******************************************************************** Frees large pages memory. */ UNIV_INTERN void os_mem_free_large( /*==============*/ - void *ptr, /* in: pointer returned by + void *ptr, /*!< in: pointer returned by os_mem_alloc_large() */ - ulint size); /* in: size returned by + ulint size); /*!< in: size returned by os_mem_alloc_large() */ /******************************************************************** Sets the priority boost for threads released from waiting within the current @@ -75,7 +75,7 @@ UNIV_INTERN void os_process_set_priority_boost( /*==========================*/ - ibool do_boost); /* in: TRUE if priority boost should be done, + ibool do_boost); /*!< in: TRUE if priority boost should be done, FALSE if not */ #ifndef UNIV_NONINL diff --git a/include/os0sync.h b/include/os0sync.h index 771d8938c8b..e1ba50f94e3 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -106,24 +106,24 @@ os_sync_free(void); /************************************************************* Creates an event semaphore, i.e., a semaphore which may just have two states: signaled and nonsignaled. The created event is manual reset: it must be reset -explicitly by calling sync_os_reset_event. */ +explicitly by calling sync_os_reset_event. +@return the event handle */ UNIV_INTERN os_event_t os_event_create( /*============*/ - /* out: the event handle */ - const char* name); /* in: the name of the event, if NULL + const char* name); /*!< in: the name of the event, if NULL the event is created without a name */ #ifdef __WIN__ /************************************************************* Creates an auto-reset event semaphore, i.e., an event which is automatically -reset when a single thread is released. Works only in Windows. */ +reset when a single thread is released. Works only in Windows. +@return the event handle */ UNIV_INTERN os_event_t os_event_create_auto( /*=================*/ - /* out: the event handle */ - const char* name); /* in: the name of the event, if NULL + const char* name); /*!< in: the name of the event, if NULL the event is created without a name */ #endif /************************************************************** @@ -133,7 +133,7 @@ UNIV_INTERN void os_event_set( /*=========*/ - os_event_t event); /* in: event to set */ + os_event_t event); /*!< in: event to set */ /************************************************************** Resets an event semaphore to the nonsignaled state. Waiting threads will stop to wait for the event. @@ -145,14 +145,14 @@ UNIV_INTERN ib_int64_t os_event_reset( /*===========*/ - os_event_t event); /* in: event to reset */ + os_event_t event); /*!< in: event to reset */ /************************************************************** Frees an event object. */ UNIV_INTERN void os_event_free( /*==========*/ - os_event_t event); /* in: event to free */ + os_event_t event); /*!< in: event to free */ /************************************************************** Waits for an event object until it is in the signaled state. If @@ -178,8 +178,8 @@ UNIV_INTERN void os_event_wait_low( /*==============*/ - os_event_t event, /* in: event to wait */ - ib_int64_t reset_sig_count);/* in: zero or the value + os_event_t event, /*!< in: event to wait */ + ib_int64_t reset_sig_count);/*!< in: zero or the value returned by previous call of os_event_reset(). */ @@ -187,42 +187,39 @@ os_event_wait_low( /************************************************************** Waits for an event object until it is in the signaled state or -a timeout is exceeded. In Unix the timeout is always infinite. */ +a timeout is exceeded. In Unix the timeout is always infinite. +@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ UNIV_INTERN ulint os_event_wait_time( /*===============*/ - /* out: 0 if success, - OS_SYNC_TIME_EXCEEDED if timeout - was exceeded */ - os_event_t event, /* in: event to wait */ - ulint time); /* in: timeout in microseconds, or + os_event_t event, /*!< in: event to wait */ + ulint time); /*!< in: timeout in microseconds, or OS_SYNC_INFINITE_TIME */ #ifdef __WIN__ /************************************************************** Waits for any event in an OS native event array. Returns if even a single -one is signaled or becomes signaled. */ +one is signaled or becomes signaled. +@return index of the event which was signaled */ UNIV_INTERN ulint os_event_wait_multiple( /*===================*/ - /* out: index of the event - which was signaled */ - ulint n, /* in: number of events in the + ulint n, /*!< in: number of events in the array */ os_native_event_t* native_event_array); - /* in: pointer to an array of event + /*!< in: pointer to an array of event handles */ #endif /************************************************************* Creates an operating system mutex semaphore. Because these are slow, the -mutex semaphore of InnoDB itself (mutex_t) should be used where possible. */ +mutex semaphore of InnoDB itself (mutex_t) should be used where possible. +@return the mutex handle */ UNIV_INTERN os_mutex_t os_mutex_create( /*============*/ - /* out: the mutex handle */ - const char* name); /* in: the name of the mutex, if NULL + const char* name); /*!< in: the name of the mutex, if NULL the mutex is created without a name */ /************************************************************** Acquires ownership of a mutex semaphore. */ @@ -230,60 +227,58 @@ UNIV_INTERN void os_mutex_enter( /*===========*/ - os_mutex_t mutex); /* in: mutex to acquire */ + os_mutex_t mutex); /*!< in: mutex to acquire */ /************************************************************** Releases ownership of a mutex. */ UNIV_INTERN void os_mutex_exit( /*==========*/ - os_mutex_t mutex); /* in: mutex to release */ + os_mutex_t mutex); /*!< in: mutex to release */ /************************************************************** Frees an mutex object. */ UNIV_INTERN void os_mutex_free( /*==========*/ - os_mutex_t mutex); /* in: mutex to free */ + os_mutex_t mutex); /*!< in: mutex to free */ /************************************************************** Acquires ownership of a fast mutex. Currently in Windows this is the same -as os_fast_mutex_lock! */ +as os_fast_mutex_lock! +@return 0 if success, != 0 if was reserved by another thread */ UNIV_INLINE ulint os_fast_mutex_trylock( /*==================*/ - /* out: 0 if success, != 0 if - was reserved by another - thread */ - os_fast_mutex_t* fast_mutex); /* in: mutex to acquire */ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ /************************************************************** Releases ownership of a fast mutex. */ UNIV_INTERN void os_fast_mutex_unlock( /*=================*/ - os_fast_mutex_t* fast_mutex); /* in: mutex to release */ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to release */ /************************************************************* Initializes an operating system fast mutex semaphore. */ UNIV_INTERN void os_fast_mutex_init( /*===============*/ - os_fast_mutex_t* fast_mutex); /* in: fast mutex */ + os_fast_mutex_t* fast_mutex); /*!< in: fast mutex */ /************************************************************** Acquires ownership of a fast mutex. */ UNIV_INTERN void os_fast_mutex_lock( /*===============*/ - os_fast_mutex_t* fast_mutex); /* in: mutex to acquire */ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ /************************************************************** Frees an mutex object. */ UNIV_INTERN void os_fast_mutex_free( /*===============*/ - os_fast_mutex_t* fast_mutex); /* in: mutex to free */ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to free */ /************************************************************** Atomic compare-and-swap and increment for InnoDB. */ diff --git a/include/os0sync.ic b/include/os0sync.ic index f5e73a743cd..3f7060d9569 100644 --- a/include/os0sync.ic +++ b/include/os0sync.ic @@ -28,15 +28,13 @@ Created 9/6/1995 Heikki Tuuri /************************************************************** Acquires ownership of a fast mutex. Currently in Windows this is the same -as os_fast_mutex_lock! */ +as os_fast_mutex_lock! +@return 0 if success, != 0 if was reserved by another thread */ UNIV_INLINE ulint os_fast_mutex_trylock( /*==================*/ - /* out: 0 if success, != 0 if - was reserved by another - thread */ - os_fast_mutex_t* fast_mutex) /* in: mutex to acquire */ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ { #ifdef __WIN__ EnterCriticalSection(fast_mutex); diff --git a/include/os0thread.h b/include/os0thread.h index 915b8ede99f..d06ddb143b0 100644 --- a/include/os0thread.h +++ b/include/os0thread.h @@ -56,43 +56,43 @@ typedef os_thread_t os_thread_id_t; /* In Unix we use the thread typedef void* (*os_posix_f_t) (void*); /******************************************************************* -Compares two thread ids for equality. */ +Compares two thread ids for equality. +@return TRUE if equal */ UNIV_INTERN ibool os_thread_eq( /*=========*/ - /* out: TRUE if equal */ - os_thread_id_t a, /* in: OS thread or thread id */ - os_thread_id_t b); /* in: OS thread or thread id */ + os_thread_id_t a, /*!< in: OS thread or thread id */ + os_thread_id_t b); /*!< in: OS thread or thread id */ /******************************************************************** Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is -unique for the thread though! */ +unique for the thread though! +@return thread identifier as a number */ UNIV_INTERN ulint os_thread_pf( /*=========*/ - /* out: thread identifier as a number */ - os_thread_id_t a); /* in: OS thread identifier */ + os_thread_id_t a); /*!< in: OS thread identifier */ /******************************************************************** Creates a new thread of execution. The execution starts from the function given. The start function takes a void* parameter and returns a ulint. NOTE: We count the number of threads in os_thread_exit(). A created -thread should always use that to exit and not use return() to exit. */ +thread should always use that to exit and not use return() to exit. +@return handle to the thread */ UNIV_INTERN os_thread_t os_thread_create( /*=============*/ - /* out: handle to the thread */ #ifndef __WIN__ os_posix_f_t start_f, #else - ulint (*start_f)(void*), /* in: pointer to function + ulint (*start_f)(void*), /*!< in: pointer to function from which to start */ #endif - void* arg, /* in: argument to start + void* arg, /*!< in: argument to start function */ - os_thread_id_t* thread_id); /* out: id of the created + os_thread_id_t* thread_id); /*!< out: id of the created thread, or NULL */ /********************************************************************* @@ -101,22 +101,22 @@ UNIV_INTERN void os_thread_exit( /*===========*/ - void* exit_value); /* in: exit value; in Windows this void* + void* exit_value); /*!< in: exit value; in Windows this void* is cast as a DWORD */ /********************************************************************* -Returns the thread identifier of current thread. */ +Returns the thread identifier of current thread. +@return current thread identifier */ UNIV_INTERN os_thread_id_t os_thread_get_curr_id(void); /*========================*/ - /* out: current thread identifier */ /********************************************************************* -Returns handle to the current thread. */ +Returns handle to the current thread. +@return current thread handle */ UNIV_INTERN os_thread_t os_thread_get_curr(void); /*====================*/ - /* out: current thread handle */ /********************************************************************* Advises the os to give up remainder of the thread's time slice. */ UNIV_INTERN @@ -129,30 +129,30 @@ UNIV_INTERN void os_thread_sleep( /*============*/ - ulint tm); /* in: time in microseconds */ + ulint tm); /*!< in: time in microseconds */ /********************************************************************** -Gets a thread priority. */ +Gets a thread priority. +@return priority */ UNIV_INTERN ulint os_thread_get_priority( /*===================*/ - /* out: priority */ - os_thread_t handle);/* in: OS handle to the thread */ + os_thread_t handle);/*!< in: OS handle to the thread */ /********************************************************************** Sets a thread priority. */ UNIV_INTERN void os_thread_set_priority( /*===================*/ - os_thread_t handle, /* in: OS handle to the thread */ - ulint pri); /* in: priority: one of OS_PRIORITY_... */ + os_thread_t handle, /*!< in: OS handle to the thread */ + ulint pri); /*!< in: priority: one of OS_PRIORITY_... */ /********************************************************************** -Gets the last operating system error code for the calling thread. */ +Gets the last operating system error code for the calling thread. +@return last error on Windows, 0 otherwise */ UNIV_INTERN ulint os_thread_get_last_error(void); /*==========================*/ - /* out: last error on Windows, 0 otherwise */ #ifndef UNIV_NONINL #include "os0thread.ic" diff --git a/include/page0cur.h b/include/page0cur.h index 335a03336f8..c0eaad5ba91 100644 --- a/include/page0cur.h +++ b/include/page0cur.h @@ -53,37 +53,37 @@ Created 10/4/1994 Heikki Tuuri #ifdef UNIV_DEBUG /************************************************************* -Gets pointer to the page frame where the cursor is positioned. */ +Gets pointer to the page frame where the cursor is positioned. +@return page */ UNIV_INLINE page_t* page_cur_get_page( /*==============*/ - /* out: page */ - page_cur_t* cur); /* in: page cursor */ + page_cur_t* cur); /*!< in: page cursor */ /************************************************************* -Gets pointer to the buffer block where the cursor is positioned. */ +Gets pointer to the buffer block where the cursor is positioned. +@return page */ UNIV_INLINE buf_block_t* page_cur_get_block( /*===============*/ - /* out: page */ - page_cur_t* cur); /* in: page cursor */ + page_cur_t* cur); /*!< in: page cursor */ /************************************************************* -Gets pointer to the page frame where the cursor is positioned. */ +Gets pointer to the page frame where the cursor is positioned. +@return page */ UNIV_INLINE page_zip_des_t* page_cur_get_page_zip( /*==================*/ - /* out: page */ - page_cur_t* cur); /* in: page cursor */ + page_cur_t* cur); /*!< in: page cursor */ /************************************************************* -Gets the record where the cursor is positioned. */ +Gets the record where the cursor is positioned. +@return record */ UNIV_INLINE rec_t* page_cur_get_rec( /*=============*/ - /* out: record */ - page_cur_t* cur); /* in: page cursor */ + page_cur_t* cur); /*!< in: page cursor */ #else /* UNIV_DEBUG */ # define page_cur_get_page(cur) page_align((cur)->rec) # define page_cur_get_block(cur) (cur)->block @@ -97,8 +97,8 @@ UNIV_INLINE void page_cur_set_before_first( /*======================*/ - const buf_block_t* block, /* in: index page */ - page_cur_t* cur); /* in: cursor */ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur); /*!< in: cursor */ /************************************************************* Sets the cursor object to point after the last user record on the page. */ @@ -106,123 +106,119 @@ UNIV_INLINE void page_cur_set_after_last( /*====================*/ - const buf_block_t* block, /* in: index page */ - page_cur_t* cur); /* in: cursor */ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur); /*!< in: cursor */ /************************************************************* -Returns TRUE if the cursor is before first user record on page. */ +Returns TRUE if the cursor is before first user record on page. +@return TRUE if at start */ UNIV_INLINE ibool page_cur_is_before_first( /*=====================*/ - /* out: TRUE if at start */ - const page_cur_t* cur); /* in: cursor */ + const page_cur_t* cur); /*!< in: cursor */ /************************************************************* -Returns TRUE if the cursor is after last user record. */ +Returns TRUE if the cursor is after last user record. +@return TRUE if at end */ UNIV_INLINE ibool page_cur_is_after_last( /*===================*/ - /* out: TRUE if at end */ - const page_cur_t* cur); /* in: cursor */ + const page_cur_t* cur); /*!< in: cursor */ /************************************************************** Positions the cursor on the given record. */ UNIV_INLINE void page_cur_position( /*==============*/ - const rec_t* rec, /* in: record on a page */ - const buf_block_t* block, /* in: buffer block containing + const rec_t* rec, /*!< in: record on a page */ + const buf_block_t* block, /*!< in: buffer block containing the record */ - page_cur_t* cur); /* out: page cursor */ + page_cur_t* cur); /*!< out: page cursor */ /************************************************************** Invalidates a page cursor by setting the record pointer NULL. */ UNIV_INLINE void page_cur_invalidate( /*================*/ - page_cur_t* cur); /* out: page cursor */ + page_cur_t* cur); /*!< out: page cursor */ /************************************************************** Moves the cursor to the next record on page. */ UNIV_INLINE void page_cur_move_to_next( /*==================*/ - page_cur_t* cur); /* in/out: cursor; must not be after last */ + page_cur_t* cur); /*!< in/out: cursor; must not be after last */ /************************************************************** Moves the cursor to the previous record on page. */ UNIV_INLINE void page_cur_move_to_prev( /*==================*/ - page_cur_t* cur); /* in/out: cursor; not before first */ + page_cur_t* cur); /*!< in/out: cursor; not before first */ #ifndef UNIV_HOTBACKUP /*************************************************************** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. */ +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ UNIV_INLINE rec_t* page_cur_tuple_insert( /*==================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - page_cur_t* cursor, /* in/out: a page cursor */ - const dtuple_t* tuple, /* in: pointer to a data tuple */ - dict_index_t* index, /* in: record descriptor */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr); /* in: mini-transaction handle, or NULL */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const dtuple_t* tuple, /*!< in: pointer to a data tuple */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. */ +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ UNIV_INLINE rec_t* page_cur_rec_insert( /*================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - page_cur_t* cursor, /* in/out: a page cursor */ - const rec_t* rec, /* in: record to insert */ - dict_index_t* index, /* in: record descriptor */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /* in: mini-transaction handle, or NULL */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const rec_t* rec, /*!< in: record to insert */ + dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ /*************************************************************** Inserts a record next to page cursor on an uncompressed page. Returns pointer to inserted record if succeed, i.e., enough -space available, NULL otherwise. The cursor stays at the same position. */ +space available, NULL otherwise. The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ UNIV_INTERN rec_t* page_cur_insert_rec_low( /*====================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - rec_t* current_rec,/* in: pointer to current record after + rec_t* current_rec,/*!< in: pointer to current record after which the new record is inserted */ - dict_index_t* index, /* in: record descriptor */ - const rec_t* rec, /* in: pointer to a physical record */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /* in: mini-transaction handle, or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ /*************************************************************** Inserts a record next to page cursor on a compressed and uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. -The cursor stays at the same position. */ +The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ UNIV_INTERN rec_t* page_cur_insert_rec_zip( /*====================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - rec_t** current_rec,/* in/out: pointer to current record after + rec_t** current_rec,/*!< in/out: pointer to current record after which the new record is inserted */ - buf_block_t* block, /* in: buffer block of *current_rec */ - dict_index_t* index, /* in: record descriptor */ - const rec_t* rec, /* in: pointer to a physical record */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /* in: mini-transaction handle, or NULL */ + buf_block_t* block, /*!< in: buffer block of *current_rec */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ /***************************************************************** Copies records from page to a newly created page, from a given record onward, including that record. Infimum and supremum records are not copied. */ @@ -230,10 +226,10 @@ UNIV_INTERN void page_copy_rec_list_end_to_created_page( /*===================================*/ - page_t* new_page, /* in/out: index page to copy to */ - rec_t* rec, /* in: first record to copy */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr */ + page_t* new_page, /*!< in/out: index page to copy to */ + rec_t* rec, /*!< in: first record to copy */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ /*************************************************************** Deletes a record at the page cursor. The cursor is moved to the next record after the deleted one. */ @@ -241,53 +237,52 @@ UNIV_INTERN void page_cur_delete_rec( /*================*/ - page_cur_t* cursor, /* in/out: a page cursor */ - dict_index_t* index, /* in: record descriptor */ - const ulint* offsets,/* in: rec_get_offsets(cursor->rec, index) */ - mtr_t* mtr); /* in: mini-transaction handle */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle */ #ifndef UNIV_HOTBACKUP /******************************************************************** -Searches the right position for a page cursor. */ +Searches the right position for a page cursor. +@return number of matched fields on the left */ UNIV_INLINE ulint page_cur_search( /*============*/ - /* out: number of matched - fields on the left */ - const buf_block_t* block, /* in: buffer block */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* tuple, /* in: data tuple */ - ulint mode, /* in: PAGE_CUR_L, + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ - page_cur_t* cursor);/* out: page cursor */ + page_cur_t* cursor);/*!< out: page cursor */ /******************************************************************** Searches the right position for a page cursor. */ UNIV_INTERN void page_cur_search_with_match( /*=======================*/ - const buf_block_t* block, /* in: buffer block */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* tuple, /* in: data tuple */ - ulint mode, /* in: PAGE_CUR_L, + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ ulint* iup_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in upper limit record */ ulint* iup_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ ulint* ilow_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in lower limit record */ ulint* ilow_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ - page_cur_t* cursor);/* out: page cursor */ + page_cur_t* cursor);/*!< out: page cursor */ /*************************************************************** Positions a page cursor on a randomly chosen user record on a page. If there are no user records, sets the cursor on the infimum record. */ @@ -295,46 +290,46 @@ UNIV_INTERN void page_cur_open_on_rnd_user_rec( /*==========================*/ - buf_block_t* block, /* in: page */ - page_cur_t* cursor);/* out: page cursor */ + buf_block_t* block, /*!< in: page */ + page_cur_t* cursor);/*!< out: page cursor */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a log record of a record insert on a page. */ +Parses a log record of a record insert on a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_cur_parse_insert_rec( /*======================*/ - /* out: end of log record or NULL */ - ibool is_short,/* in: TRUE if short inserts */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr or NULL */ + ibool is_short,/*!< in: TRUE if short inserts */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ /************************************************************** -Parses a log record of copying a record list end to a new created page. */ +Parses a log record of copying a record list end to a new created page. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_copy_rec_list_to_created_page( /*=====================================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ /*************************************************************** -Parses log record of a record delete on a page. */ +Parses log record of a record delete on a page. +@return pointer to record end or NULL */ UNIV_INTERN byte* page_cur_parse_delete_rec( /*======================*/ - /* out: pointer to record end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ /* Index page cursor */ diff --git a/include/page0cur.ic b/include/page0cur.ic index 8190fb41f53..6ccd43e1182 100644 --- a/include/page0cur.ic +++ b/include/page0cur.ic @@ -27,13 +27,13 @@ Created 10/4/1994 Heikki Tuuri #ifdef UNIV_DEBUG /************************************************************* -Gets pointer to the page frame where the cursor is positioned. */ +Gets pointer to the page frame where the cursor is positioned. +@return page */ UNIV_INLINE page_t* page_cur_get_page( /*==============*/ - /* out: page */ - page_cur_t* cur) /* in: page cursor */ + page_cur_t* cur) /*!< in: page cursor */ { ut_ad(cur); ut_ad(page_align(cur->rec) == cur->block->frame); @@ -42,13 +42,13 @@ page_cur_get_page( } /************************************************************* -Gets pointer to the buffer block where the cursor is positioned. */ +Gets pointer to the buffer block where the cursor is positioned. +@return page */ UNIV_INLINE buf_block_t* page_cur_get_block( /*===============*/ - /* out: page */ - page_cur_t* cur) /* in: page cursor */ + page_cur_t* cur) /*!< in: page cursor */ { ut_ad(cur); ut_ad(page_align(cur->rec) == cur->block->frame); @@ -56,25 +56,25 @@ page_cur_get_block( } /************************************************************* -Gets pointer to the page frame where the cursor is positioned. */ +Gets pointer to the page frame where the cursor is positioned. +@return page */ UNIV_INLINE page_zip_des_t* page_cur_get_page_zip( /*==================*/ - /* out: page */ - page_cur_t* cur) /* in: page cursor */ + page_cur_t* cur) /*!< in: page cursor */ { return(buf_block_get_page_zip(page_cur_get_block(cur))); } /************************************************************* -Gets the record where the cursor is positioned. */ +Gets the record where the cursor is positioned. +@return record */ UNIV_INLINE rec_t* page_cur_get_rec( /*=============*/ - /* out: record */ - page_cur_t* cur) /* in: page cursor */ + page_cur_t* cur) /*!< in: page cursor */ { ut_ad(cur); ut_ad(page_align(cur->rec) == cur->block->frame); @@ -90,8 +90,8 @@ UNIV_INLINE void page_cur_set_before_first( /*======================*/ - const buf_block_t* block, /* in: index page */ - page_cur_t* cur) /* in: cursor */ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur) /*!< in: cursor */ { cur->block = (buf_block_t*) block; cur->rec = page_get_infimum_rec(buf_block_get_frame(cur->block)); @@ -104,21 +104,21 @@ UNIV_INLINE void page_cur_set_after_last( /*====================*/ - const buf_block_t* block, /* in: index page */ - page_cur_t* cur) /* in: cursor */ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur) /*!< in: cursor */ { cur->block = (buf_block_t*) block; cur->rec = page_get_supremum_rec(buf_block_get_frame(cur->block)); } /************************************************************* -Returns TRUE if the cursor is before first user record on page. */ +Returns TRUE if the cursor is before first user record on page. +@return TRUE if at start */ UNIV_INLINE ibool page_cur_is_before_first( /*=====================*/ - /* out: TRUE if at start */ - const page_cur_t* cur) /* in: cursor */ + const page_cur_t* cur) /*!< in: cursor */ { ut_ad(cur); ut_ad(page_align(cur->rec) == cur->block->frame); @@ -126,13 +126,13 @@ page_cur_is_before_first( } /************************************************************* -Returns TRUE if the cursor is after last user record. */ +Returns TRUE if the cursor is after last user record. +@return TRUE if at end */ UNIV_INLINE ibool page_cur_is_after_last( /*===================*/ - /* out: TRUE if at end */ - const page_cur_t* cur) /* in: cursor */ + const page_cur_t* cur) /*!< in: cursor */ { ut_ad(cur); ut_ad(page_align(cur->rec) == cur->block->frame); @@ -145,10 +145,10 @@ UNIV_INLINE void page_cur_position( /*==============*/ - const rec_t* rec, /* in: record on a page */ - const buf_block_t* block, /* in: buffer block containing + const rec_t* rec, /*!< in: record on a page */ + const buf_block_t* block, /*!< in: buffer block containing the record */ - page_cur_t* cur) /* out: page cursor */ + page_cur_t* cur) /*!< out: page cursor */ { ut_ad(rec && block && cur); ut_ad(page_align(rec) == block->frame); @@ -163,7 +163,7 @@ UNIV_INLINE void page_cur_invalidate( /*================*/ - page_cur_t* cur) /* out: page cursor */ + page_cur_t* cur) /*!< out: page cursor */ { ut_ad(cur); @@ -177,7 +177,7 @@ UNIV_INLINE void page_cur_move_to_next( /*==================*/ - page_cur_t* cur) /* in/out: cursor; must not be after last */ + page_cur_t* cur) /*!< in/out: cursor; must not be after last */ { ut_ad(!page_cur_is_after_last(cur)); @@ -190,7 +190,7 @@ UNIV_INLINE void page_cur_move_to_prev( /*==================*/ - page_cur_t* cur) /* in/out: page cursor, not before first */ + page_cur_t* cur) /*!< in/out: page cursor, not before first */ { ut_ad(!page_cur_is_before_first(cur)); @@ -199,20 +199,19 @@ page_cur_move_to_prev( #ifndef UNIV_HOTBACKUP /******************************************************************** -Searches the right position for a page cursor. */ +Searches the right position for a page cursor. +@return number of matched fields on the left */ UNIV_INLINE ulint page_cur_search( /*============*/ - /* out: number of matched - fields on the left */ - const buf_block_t* block, /* in: buffer block */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* tuple, /* in: data tuple */ - ulint mode, /* in: PAGE_CUR_L, + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ - page_cur_t* cursor) /* out: page cursor */ + page_cur_t* cursor) /*!< out: page cursor */ { ulint low_matched_fields = 0; ulint low_matched_bytes = 0; @@ -234,18 +233,17 @@ page_cur_search( Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. */ +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ UNIV_INLINE rec_t* page_cur_tuple_insert( /*==================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - page_cur_t* cursor, /* in/out: a page cursor */ - const dtuple_t* tuple, /* in: pointer to a data tuple */ - dict_index_t* index, /* in: record descriptor */ - ulint n_ext, /* in: number of externally stored columns */ - mtr_t* mtr) /* in: mini-transaction handle, or NULL */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const dtuple_t* tuple, /*!< in: pointer to a data tuple */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ { mem_heap_t* heap; ulint* offsets; @@ -278,18 +276,17 @@ page_cur_tuple_insert( Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. */ +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ UNIV_INLINE rec_t* page_cur_rec_insert( /*================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - page_cur_t* cursor, /* in/out: a page cursor */ - const rec_t* rec, /* in: record to insert */ - dict_index_t* index, /* in: record descriptor */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /* in: mini-transaction handle, or NULL */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const rec_t* rec, /*!< in: record to insert */ + dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ { if (buf_block_get_page_zip(cursor->block)) { return(page_cur_insert_rec_zip(&cursor->rec, cursor->block, diff --git a/include/page0page.h b/include/page0page.h index c76cc89b128..ea7c61b19a5 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -157,22 +157,22 @@ directory. */ #define PAGE_DIR_SLOT_MIN_N_OWNED 4 /**************************************************************** -Gets the start of a page. */ +Gets the start of a page. +@return start of the page */ UNIV_INLINE page_t* page_align( /*=======*/ - /* out: start of the page */ - const void* ptr) /* in: pointer to page frame */ + const void* ptr) /*!< in: pointer to page frame */ __attribute__((const)); /**************************************************************** -Gets the offset within a page. */ +Gets the offset within a page. +@return offset from the start of the page */ UNIV_INLINE ulint page_offset( /*========*/ - /* out: offset from the start of the page */ - const void* ptr) /* in: pointer to page frame */ + const void* ptr) /*!< in: pointer to page frame */ __attribute__((const)); /***************************************************************** Returns the max trx id field value. */ @@ -180,17 +180,17 @@ UNIV_INLINE trx_id_t page_get_max_trx_id( /*================*/ - const page_t* page); /* in: page */ + const page_t* page); /*!< in: page */ /***************************************************************** Sets the max trx id field value. */ UNIV_INTERN void page_set_max_trx_id( /*================*/ - buf_block_t* block, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr); /* in/out: mini-transaction, or NULL */ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in/out: mini-transaction, or NULL */ /***************************************************************** Sets the max trx id field value if trx_id is bigger than the previous value. */ @@ -198,40 +198,39 @@ UNIV_INLINE void page_update_max_trx_id( /*===================*/ - buf_block_t* block, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr); /* in/out: mini-transaction */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in/out: mini-transaction */ /***************************************************************** Reads the given header field. */ UNIV_INLINE ulint page_header_get_field( /*==================*/ - const page_t* page, /* in: page */ - ulint field); /* in: PAGE_N_DIR_SLOTS, ... */ + const page_t* page, /*!< in: page */ + ulint field); /*!< in: PAGE_N_DIR_SLOTS, ... */ /***************************************************************** Sets the given header field. */ UNIV_INLINE void page_header_set_field( /*==================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint field, /* in: PAGE_N_DIR_SLOTS, ... */ - ulint val); /* in: value */ + ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ + ulint val); /*!< in: value */ /***************************************************************** -Returns the offset stored in the given header field. */ +Returns the offset stored in the given header field. +@return offset from the start of the page, or 0 */ UNIV_INLINE ulint page_header_get_offs( /*=================*/ - /* out: offset from the start of the page, - or 0 */ - const page_t* page, /* in: page */ - ulint field) /* in: PAGE_FREE, ... */ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_FREE, ... */ __attribute__((nonnull, pure)); /***************************************************************** @@ -245,11 +244,11 @@ UNIV_INLINE void page_header_set_ptr( /*================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint field, /* in/out: PAGE_FREE, ... */ - const byte* ptr); /* in: pointer or NULL*/ + ulint field, /*!< in/out: PAGE_FREE, ... */ + const byte* ptr); /*!< in: pointer or NULL*/ #ifndef UNIV_HOTBACKUP /***************************************************************** Resets the last insert info field in the page header. Writes to mlog @@ -258,197 +257,193 @@ UNIV_INLINE void page_header_reset_last_insert( /*==========================*/ - page_t* page, /* in: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ /**************************************************************** -Gets the offset of the first record on the page. */ +Gets the offset of the first record on the page. +@return offset of the first record in record list, relative from page */ UNIV_INLINE ulint page_get_infimum_offset( /*====================*/ - /* out: offset of the first record - in record list, relative from page */ - const page_t* page); /* in: page which must have record(s) */ + const page_t* page); /*!< in: page which must have record(s) */ /**************************************************************** -Gets the offset of the last record on the page. */ +Gets the offset of the last record on the page. +@return offset of the last record in record list, relative from page */ UNIV_INLINE ulint page_get_supremum_offset( /*=====================*/ - /* out: offset of the last record in - record list, relative from page */ - const page_t* page); /* in: page which must have record(s) */ + const page_t* page); /*!< in: page which must have record(s) */ #define page_get_infimum_rec(page) ((page) + page_get_infimum_offset(page)) #define page_get_supremum_rec(page) ((page) + page_get_supremum_offset(page)) /**************************************************************** Returns the middle record of record list. If there are an even number -of records in the list, returns the first record of upper half-list. */ +of records in the list, returns the first record of upper half-list. +@return middle record */ UNIV_INTERN rec_t* page_get_middle_rec( /*================*/ - /* out: middle record */ - page_t* page); /* in: page */ + page_t* page); /*!< in: page */ #ifndef UNIV_HOTBACKUP /***************************************************************** Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an index page, and also page infimum and supremum records can be given in the parameter rec. These are considered as the negative infinity and -the positive infinity in the alphabetical order. */ +the positive infinity in the alphabetical order. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ UNIV_INLINE int page_cmp_dtuple_rec_with_match( /*===========================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record on a page; may also + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record on a page; may also be page infimum or supremum, in which case matched-parameter values below are not affected */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields, /* in/out: number of already completely + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when function returns contains the value for current comparison */ - ulint* matched_bytes); /* in/out: number of already matched + ulint* matched_bytes); /*!< in/out: number of already matched bytes within the first field not completely matched; when function returns contains the value for current comparison */ #endif /* !UNIV_HOTBACKUP */ /***************************************************************** -Gets the page number. */ +Gets the page number. +@return page number */ UNIV_INLINE ulint page_get_page_no( /*=============*/ - /* out: page number */ - const page_t* page); /* in: page */ + const page_t* page); /*!< in: page */ /***************************************************************** -Gets the tablespace identifier. */ +Gets the tablespace identifier. +@return space id */ UNIV_INLINE ulint page_get_space_id( /*==============*/ - /* out: space id */ - const page_t* page); /* in: page */ + const page_t* page); /*!< in: page */ /***************************************************************** Gets the number of user records on page (the infimum and supremum records -are not user records). */ +are not user records). +@return number of user records */ UNIV_INLINE ulint page_get_n_recs( /*============*/ - /* out: number of user records */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /******************************************************************* Returns the number of records before the given record in chain. -The number includes infimum and supremum records. */ +The number includes infimum and supremum records. +@return number of records */ UNIV_INTERN ulint page_rec_get_n_recs_before( /*=======================*/ - /* out: number of records */ - const rec_t* rec); /* in: the physical record */ + const rec_t* rec); /*!< in: the physical record */ /***************************************************************** -Gets the number of records in the heap. */ +Gets the number of records in the heap. +@return number of user records */ UNIV_INLINE ulint page_dir_get_n_heap( /*================*/ - /* out: number of user records */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /***************************************************************** Sets the number of records in the heap. */ UNIV_INLINE void page_dir_set_n_heap( /*================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL. Note that the size of the dense page directory in the compressed page trailer is n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ - ulint n_heap);/* in: number of records */ + ulint n_heap);/*!< in: number of records */ /***************************************************************** -Gets the number of dir slots in directory. */ +Gets the number of dir slots in directory. +@return number of slots */ UNIV_INLINE ulint page_dir_get_n_slots( /*=================*/ - /* out: number of slots */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /***************************************************************** Sets the number of dir slots in directory. */ UNIV_INLINE void page_dir_set_n_slots( /*=================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint n_slots);/* in: number of slots */ + ulint n_slots);/*!< in: number of slots */ #ifdef UNIV_DEBUG /***************************************************************** -Gets pointer to nth directory slot. */ +Gets pointer to nth directory slot. +@return pointer to dir slot */ UNIV_INLINE page_dir_slot_t* page_dir_get_nth_slot( /*==================*/ - /* out: pointer to dir slot */ - const page_t* page, /* in: index page */ - ulint n); /* in: position */ + const page_t* page, /*!< in: index page */ + ulint n); /*!< in: position */ #else /* UNIV_DEBUG */ # define page_dir_get_nth_slot(page, n) \ ((page) + UNIV_PAGE_SIZE - PAGE_DIR \ - (n + 1) * PAGE_DIR_SLOT_SIZE) #endif /* UNIV_DEBUG */ /****************************************************************** -Used to check the consistency of a record on a page. */ +Used to check the consistency of a record on a page. +@return TRUE if succeed */ UNIV_INLINE ibool page_rec_check( /*===========*/ - /* out: TRUE if succeed */ - const rec_t* rec); /* in: record */ + const rec_t* rec); /*!< in: record */ /******************************************************************* -Gets the record pointed to by a directory slot. */ +Gets the record pointed to by a directory slot. +@return pointer to record */ UNIV_INLINE const rec_t* page_dir_slot_get_rec( /*==================*/ - /* out: pointer to record */ - const page_dir_slot_t* slot); /* in: directory slot */ + const page_dir_slot_t* slot); /*!< in: directory slot */ /******************************************************************* This is used to set the record offset in a directory slot. */ UNIV_INLINE void page_dir_slot_set_rec( /*==================*/ - page_dir_slot_t* slot, /* in: directory slot */ - rec_t* rec); /* in: record on the page */ + page_dir_slot_t* slot, /*!< in: directory slot */ + rec_t* rec); /*!< in: record on the page */ /******************************************************************* -Gets the number of records owned by a directory slot. */ +Gets the number of records owned by a directory slot. +@return number of records */ UNIV_INLINE ulint page_dir_slot_get_n_owned( /*======================*/ - /* out: number of records */ - const page_dir_slot_t* slot); /* in: page directory slot */ + const page_dir_slot_t* slot); /*!< in: page directory slot */ /******************************************************************* This is used to set the owned records field of a directory slot. */ UNIV_INLINE void page_dir_slot_set_n_owned( /*======================*/ - page_dir_slot_t*slot, /* in/out: directory slot */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint n); /* in: number of records owned by the slot */ + page_dir_slot_t*slot, /*!< in/out: directory slot */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n); /*!< in: number of records owned by the slot */ /**************************************************************** Calculates the space reserved for directory slots of a given number of records. The exact value is a fraction number @@ -458,166 +453,165 @@ UNIV_INLINE ulint page_dir_calc_reserved_space( /*=========================*/ - ulint n_recs); /* in: number of records */ + ulint n_recs); /*!< in: number of records */ /******************************************************************* -Looks for the directory slot which owns the given record. */ +Looks for the directory slot which owns the given record. +@return the directory slot number */ UNIV_INTERN ulint page_dir_find_owner_slot( /*=====================*/ - /* out: the directory slot number */ - const rec_t* rec); /* in: the physical record */ + const rec_t* rec); /*!< in: the physical record */ /**************************************************************** -Determine whether the page is in new-style compact format. */ +Determine whether the page is in new-style compact format. +@return nonzero if the page is in compact format, zero if it is in old-style format */ UNIV_INLINE ulint page_is_comp( /*=========*/ - /* out: nonzero if the page is in compact - format, zero if it is in old-style format */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /**************************************************************** -TRUE if the record is on a page in compact format. */ +TRUE if the record is on a page in compact format. +@return nonzero if in compact format */ UNIV_INLINE ulint page_rec_is_comp( /*=============*/ - /* out: nonzero if in compact format */ - const rec_t* rec); /* in: record */ + const rec_t* rec); /*!< in: record */ /******************************************************************* -Returns the heap number of a record. */ +Returns the heap number of a record. +@return heap number */ UNIV_INLINE ulint page_rec_get_heap_no( /*=================*/ - /* out: heap number */ - const rec_t* rec); /* in: the physical record */ + const rec_t* rec); /*!< in: the physical record */ /**************************************************************** -Determine whether the page is a B-tree leaf. */ +Determine whether the page is a B-tree leaf. +@return TRUE if the page is a B-tree leaf */ UNIV_INLINE ibool page_is_leaf( /*=========*/ - /* out: TRUE if the page is a B-tree leaf */ - const page_t* page) /* in: page */ + const page_t* page) /*!< in: page */ __attribute__((nonnull, pure)); /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE const rec_t* page_rec_get_next_low( /*==================*/ - /* out: pointer to next record */ - const rec_t* rec, /* in: pointer to record */ - ulint comp); /* in: nonzero=compact page layout */ + const rec_t* rec, /*!< in: pointer to record */ + ulint comp); /*!< in: nonzero=compact page layout */ /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE rec_t* page_rec_get_next( /*==============*/ - /* out: pointer to next record */ - rec_t* rec); /* in: pointer to record */ + rec_t* rec); /*!< in: pointer to record */ /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE const rec_t* page_rec_get_next_const( /*====================*/ - /* out: pointer to next record */ - const rec_t* rec); /* in: pointer to record */ + const rec_t* rec); /*!< in: pointer to record */ /**************************************************************** Sets the pointer to the next record on the page. */ UNIV_INLINE void page_rec_set_next( /*==============*/ - rec_t* rec, /* in: pointer to record, + rec_t* rec, /*!< in: pointer to record, must not be page supremum */ - rec_t* next); /* in: pointer to next record, + rec_t* next); /*!< in: pointer to next record, must not be page infimum */ /**************************************************************** -Gets the pointer to the previous record. */ +Gets the pointer to the previous record. +@return pointer to previous record */ UNIV_INLINE const rec_t* page_rec_get_prev_const( /*====================*/ - /* out: pointer to previous record */ - const rec_t* rec); /* in: pointer to record, must not be page + const rec_t* rec); /*!< in: pointer to record, must not be page infimum */ /**************************************************************** -Gets the pointer to the previous record. */ +Gets the pointer to the previous record. +@return pointer to previous record */ UNIV_INLINE rec_t* page_rec_get_prev( /*==============*/ - /* out: pointer to previous record */ - rec_t* rec); /* in: pointer to record, + rec_t* rec); /*!< in: pointer to record, must not be page infimum */ /**************************************************************** -TRUE if the record is a user record on the page. */ +TRUE if the record is a user record on the page. +@return TRUE if a user record */ UNIV_INLINE ibool page_rec_is_user_rec_low( /*=====================*/ - /* out: TRUE if a user record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ __attribute__((const)); /**************************************************************** -TRUE if the record is the supremum record on a page. */ +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ UNIV_INLINE ibool page_rec_is_supremum_low( /*=====================*/ - /* out: TRUE if the supremum record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ __attribute__((const)); /**************************************************************** -TRUE if the record is the infimum record on a page. */ +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ UNIV_INLINE ibool page_rec_is_infimum_low( /*====================*/ - /* out: TRUE if the infimum record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ __attribute__((const)); /**************************************************************** -TRUE if the record is a user record on the page. */ +TRUE if the record is a user record on the page. +@return TRUE if a user record */ UNIV_INLINE ibool page_rec_is_user_rec( /*=================*/ - /* out: TRUE if a user record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ __attribute__((const)); /**************************************************************** -TRUE if the record is the supremum record on a page. */ +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ UNIV_INLINE ibool page_rec_is_supremum( /*=================*/ - /* out: TRUE if the supremum record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ __attribute__((const)); /**************************************************************** -TRUE if the record is the infimum record on a page. */ +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ UNIV_INLINE ibool page_rec_is_infimum( /*================*/ - /* out: TRUE if the infimum record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ __attribute__((const)); /******************************************************************* -Looks for the record which owns the given record. */ +Looks for the record which owns the given record. +@return the owner record */ UNIV_INLINE rec_t* page_rec_find_owner_rec( /*====================*/ - /* out: the owner record */ - rec_t* rec); /* in: the physical record */ + rec_t* rec); /*!< in: the physical record */ /*************************************************************************** This is a low-level operation which is used in a database index creation to update the page number of a created B-tree to a data dictionary @@ -626,60 +620,57 @@ UNIV_INTERN void page_rec_write_index_page_no( /*=========================*/ - rec_t* rec, /* in: record to update */ - ulint i, /* in: index of the field to update */ - ulint page_no,/* in: value to write */ - mtr_t* mtr); /* in: mtr */ + rec_t* rec, /*!< in: record to update */ + ulint i, /*!< in: index of the field to update */ + ulint page_no,/*!< in: value to write */ + mtr_t* mtr); /*!< in: mtr */ /**************************************************************** Returns the maximum combined size of records which can be inserted on top -of record heap. */ +of record heap. +@return maximum combined size for inserted records */ UNIV_INLINE ulint page_get_max_insert_size( /*=====================*/ - /* out: maximum combined size for - inserted records */ - const page_t* page, /* in: index page */ - ulint n_recs);/* in: number of records */ + const page_t* page, /*!< in: index page */ + ulint n_recs);/*!< in: number of records */ /**************************************************************** Returns the maximum combined size of records which can be inserted on top -of record heap if page is first reorganized. */ +of record heap if page is first reorganized. +@return maximum combined size for inserted records */ UNIV_INLINE ulint page_get_max_insert_size_after_reorganize( /*======================================*/ - /* out: maximum combined size for - inserted records */ - const page_t* page, /* in: index page */ - ulint n_recs);/* in: number of records */ + const page_t* page, /*!< in: index page */ + ulint n_recs);/*!< in: number of records */ /***************************************************************** -Calculates free space if a page is emptied. */ +Calculates free space if a page is emptied. +@return free space */ UNIV_INLINE ulint page_get_free_space_of_empty( /*=========================*/ - /* out: free space */ - ulint comp) /* in: nonzero=compact page format */ + ulint comp) /*!< in: nonzero=compact page format */ __attribute__((const)); /************************************************************** Returns the base extra size of a physical record. This is the -size of the fixed header, independent of the record size. */ +size of the fixed header, independent of the record size. +@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ UNIV_INLINE ulint page_rec_get_base_extra_size( /*=========================*/ - /* out: REC_N_NEW_EXTRA_BYTES - or REC_N_OLD_EXTRA_BYTES */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /**************************************************************** Returns the sum of the sizes of the records in the record list -excluding the infimum and supremum records. */ +excluding the infimum and supremum records. +@return data in bytes */ UNIV_INLINE ulint page_get_data_size( /*===============*/ - /* out: data in bytes */ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /**************************************************************** Allocates a block of memory from the head of the free list of an index page. */ @@ -687,27 +678,26 @@ UNIV_INLINE void page_mem_alloc_free( /*================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with enough + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough space available for inserting the record, or NULL */ - rec_t* next_rec,/* in: pointer to the new head of the + rec_t* next_rec,/*!< in: pointer to the new head of the free record list */ - ulint need); /* in: number of bytes allocated */ + ulint need); /*!< in: number of bytes allocated */ /**************************************************************** -Allocates a block of memory from the heap of an index page. */ +Allocates a block of memory from the heap of an index page. +@return pointer to start of allocated buffer, or NULL if allocation fails */ UNIV_INTERN byte* page_mem_alloc_heap( /*================*/ - /* out: pointer to start of allocated - buffer, or NULL if allocation fails */ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with enough + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough space available for inserting the record, or NULL */ - ulint need, /* in: total number of bytes needed */ - ulint* heap_no);/* out: this contains the heap number + ulint need, /*!< in: total number of bytes needed */ + ulint* heap_no);/*!< out: this contains the heap number of the allocated record if allocation succeeds */ /**************************************************************** @@ -716,34 +706,34 @@ UNIV_INLINE void page_mem_free( /*==========*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - rec_t* rec, /* in: pointer to the (origin of) record */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + rec_t* rec, /*!< in: pointer to the (origin of) record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** -Create an uncompressed B-tree index page. */ +Create an uncompressed B-tree index page. +@return pointer to the page */ UNIV_INTERN page_t* page_create( /*========*/ - /* out: pointer to the page */ - buf_block_t* block, /* in: a buffer block where the + buf_block_t* block, /*!< in: a buffer block where the page is created */ - mtr_t* mtr, /* in: mini-transaction handle */ - ulint comp); /* in: nonzero=compact page format */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ulint comp); /*!< in: nonzero=compact page format */ /************************************************************** -Create a compressed B-tree index page. */ +Create a compressed B-tree index page. +@return pointer to the page */ UNIV_INTERN page_t* page_create_zip( /*============*/ - /* out: pointer to the page */ - buf_block_t* block, /* in/out: a buffer frame where the + buf_block_t* block, /*!< in/out: a buffer frame where the page is created */ - dict_index_t* index, /* in: the index of the page */ - ulint level, /* in: the B-tree level of the page */ - mtr_t* mtr); /* in: mini-transaction handle */ + dict_index_t* index, /*!< in: the index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ /***************************************************************** Differs from page_copy_rec_list_end, because this function does not @@ -752,46 +742,40 @@ UNIV_INTERN void page_copy_rec_list_end_no_locks( /*============================*/ - buf_block_t* new_block, /* in: index page to copy to */ - buf_block_t* block, /* in: index page of rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr */ + buf_block_t* new_block, /*!< in: index page to copy to */ + buf_block_t* block, /*!< in: index page of rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ /***************************************************************** Copies records from page to new_page, from the given record onward, including that record. Infimum and supremum records are not copied. -The records are copied to the start of the record list on new_page. */ +The records are copied to the start of the record list on new_page. +@return pointer to the original successor of the infimum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_end( /*===================*/ - /* out: pointer to the original - successor of the infimum record - on new_page, or NULL on zip overflow - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page to copy to */ - buf_block_t* block, /* in: index page containing rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); /***************************************************************** Copies records from page to new_page, up to the given record, NOT including that record. Infimum and supremum records are not copied. -The records are copied to the end of the record list on new_page. */ +The records are copied to the end of the record list on new_page. +@return pointer to the original predecessor of the supremum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_start( /*=====================*/ - /* out: pointer to the original - predecessor of the supremum record - on new_page, or NULL on zip overflow - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page to copy to */ - buf_block_t* block, /* in: index page containing rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); /***************************************************************** Deletes records from a page from a given record onward, including that record. @@ -800,15 +784,15 @@ UNIV_INTERN void page_delete_rec_list_end( /*=====================*/ - rec_t* rec, /* in: pointer to record on page */ - buf_block_t* block, /* in: buffer block of the page */ - dict_index_t* index, /* in: record descriptor */ - ulint n_recs, /* in: number of records to delete, + rec_t* rec, /*!< in: pointer to record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_recs, /*!< in: number of records to delete, or ULINT_UNDEFINED if not known */ - ulint size, /* in: the sum of the sizes of the + ulint size, /*!< in: the sum of the sizes of the records in the end of the chain to delete, or ULINT_UNDEFINED if not known */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); /***************************************************************** Deletes records from page, up to the given record, NOT including @@ -817,41 +801,38 @@ UNIV_INTERN void page_delete_rec_list_start( /*=======================*/ - rec_t* rec, /* in: record on page */ - buf_block_t* block, /* in: buffer block of the page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); /***************************************************************** Moves record list end to another page. Moved records include -split_rec. */ +split_rec. +@return TRUE on success; FALSE on compression failure (new_block will be decompressed) */ UNIV_INTERN ibool page_move_rec_list_end( /*===================*/ - /* out: TRUE on success; FALSE on - compression failure - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page where to move */ - buf_block_t* block, /* in: index page from where to move */ - rec_t* split_rec, /* in: first record to move */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in: index page from where to move */ + rec_t* split_rec, /*!< in: first record to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull(1, 2, 4, 5))); /***************************************************************** Moves record list start to another page. Moved records do not include -split_rec. */ +split_rec. +@return TRUE on success; FALSE on compression failure */ UNIV_INTERN ibool page_move_rec_list_start( /*=====================*/ - /* out: TRUE on success; FALSE on - compression failure */ - buf_block_t* new_block, /* in/out: index page where to move */ - buf_block_t* block, /* in/out: page containing split_rec */ - rec_t* split_rec, /* in: first record not to move */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in/out: page containing split_rec */ + rec_t* split_rec, /*!< in: first record not to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull(1, 2, 4, 5))); /******************************************************************** Splits a directory slot which owns too many records. */ @@ -859,10 +840,10 @@ UNIV_INTERN void page_dir_split_slot( /*================*/ - page_t* page, /* in: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be written, or NULL */ - ulint slot_no)/* in: the directory slot */ + ulint slot_no)/*!< in: the directory slot */ __attribute__((nonnull(1))); /***************************************************************** Tries to balance the given directory slot with too few records @@ -873,38 +854,38 @@ UNIV_INTERN void page_dir_balance_slot( /*==================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint slot_no)/* in: the directory slot */ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: the directory slot */ __attribute__((nonnull(1))); /************************************************************** -Parses a log record of a record list end or start deletion. */ +Parses a log record of a record list end or start deletion. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_delete_rec_list( /*=======================*/ - /* out: end of log record or NULL */ - byte type, /* in: MLOG_LIST_END_DELETE, + byte type, /*!< in: MLOG_LIST_END_DELETE, MLOG_LIST_START_DELETE, MLOG_COMP_LIST_END_DELETE or MLOG_COMP_LIST_START_DELETE */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in/out: buffer block or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ /*************************************************************** -Parses a redo log record of creating a page. */ +Parses a redo log record of creating a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_create( /*==============*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint comp, /* in: nonzero=compact page format */ - buf_block_t* block, /* in: block or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ /**************************************************************** Prints record contents including the data relevant only in the index page context. */ @@ -912,8 +893,8 @@ UNIV_INTERN void page_rec_print( /*===========*/ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: record descriptor */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: record descriptor */ /******************************************************************* This is used to print the contents of the directory for debugging purposes. */ @@ -921,8 +902,8 @@ UNIV_INTERN void page_dir_print( /*===========*/ - page_t* page, /* in: index page */ - ulint pr_n); /* in: print n first and n last entries */ + page_t* page, /*!< in: index page */ + ulint pr_n); /*!< in: print n first and n last entries */ /******************************************************************* This is used to print the contents of the page record list for debugging purposes. */ @@ -930,16 +911,16 @@ UNIV_INTERN void page_print_list( /*============*/ - buf_block_t* block, /* in: index page */ - dict_index_t* index, /* in: dictionary index of the page */ - ulint pr_n); /* in: print n first and n last entries */ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint pr_n); /*!< in: print n first and n last entries */ /******************************************************************* Prints the info in a page header. */ UNIV_INTERN void page_header_print( /*==============*/ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /******************************************************************* This is used to print the contents of the page for debugging purposes. */ @@ -947,23 +928,23 @@ UNIV_INTERN void page_print( /*=======*/ - buf_block_t* block, /* in: index page */ - dict_index_t* index, /* in: dictionary index of the page */ - ulint dn, /* in: print dn first and last entries + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint dn, /*!< in: print dn first and last entries in directory */ - ulint rn); /* in: print rn first and last records + ulint rn); /*!< in: print rn first and last records in directory */ /******************************************************************* The following is used to validate a record on a page. This function differs from rec_validate as it can also check the n_owned field and -the heap_no field. */ +the heap_no field. +@return TRUE if ok */ UNIV_INTERN ibool page_rec_validate( /*==============*/ - /* out: TRUE if ok */ - rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* Checks that the first directory slot points to the infimum record and the last to the supremum. This function is intended to track if the @@ -972,46 +953,46 @@ UNIV_INTERN void page_check_dir( /*===========*/ - const page_t* page); /* in: index page */ + const page_t* page); /*!< in: index page */ /******************************************************************* This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash -even if the page is total garbage. */ +even if the page is total garbage. +@return TRUE if ok */ UNIV_INTERN ibool page_simple_validate_old( /*=====================*/ - /* out: TRUE if ok */ - page_t* page); /* in: old-style index page */ + page_t* page); /*!< in: old-style index page */ /******************************************************************* This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash -even if the page is total garbage. */ +even if the page is total garbage. +@return TRUE if ok */ UNIV_INTERN ibool page_simple_validate_new( /*=====================*/ - /* out: TRUE if ok */ - page_t* block); /* in: new-style index page */ + page_t* block); /*!< in: new-style index page */ /******************************************************************* -This function checks the consistency of an index page. */ +This function checks the consistency of an index page. +@return TRUE if ok */ UNIV_INTERN ibool page_validate( /*==========*/ - /* out: TRUE if ok */ - page_t* page, /* in: index page */ - dict_index_t* index); /* in: data dictionary index containing + page_t* page, /*!< in: index page */ + dict_index_t* index); /*!< in: data dictionary index containing the page record type definition */ /******************************************************************* -Looks in the page record list for a record with the given heap number. */ +Looks in the page record list for a record with the given heap number. +@return record, NULL if not found */ const rec_t* page_find_rec_with_heap_no( /*=======================*/ - /* out: record, NULL if not found */ - const page_t* page, /* in: index page */ - ulint heap_no);/* in: heap number */ + const page_t* page, /*!< in: index page */ + ulint heap_no);/*!< in: heap number */ #ifdef UNIV_MATERIALIZE #undef UNIV_INLINE diff --git a/include/page0page.ic b/include/page0page.ic index 10127dc90e0..f7daa102260 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -38,24 +38,24 @@ Created 2/2/1994 Heikki Tuuri #endif /**************************************************************** -Gets the start of a page. */ +Gets the start of a page. +@return start of the page */ UNIV_INLINE page_t* page_align( /*=======*/ - /* out: start of the page */ - const void* ptr) /* in: pointer to page frame */ + const void* ptr) /*!< in: pointer to page frame */ { return((page_t*) ut_align_down(ptr, UNIV_PAGE_SIZE)); } /**************************************************************** -Gets the offset within a page. */ +Gets the offset within a page. +@return offset from the start of the page */ UNIV_INLINE ulint page_offset( /*========*/ - /* out: offset from the start of the page */ - const void* ptr) /* in: pointer to page frame */ + const void* ptr) /*!< in: pointer to page frame */ { return(ut_align_offset(ptr, UNIV_PAGE_SIZE)); } @@ -65,7 +65,7 @@ UNIV_INLINE trx_id_t page_get_max_trx_id( /*================*/ - const page_t* page) /* in: page */ + const page_t* page) /*!< in: page */ { ut_ad(page); @@ -79,11 +79,11 @@ UNIV_INLINE void page_update_max_trx_id( /*===================*/ - buf_block_t* block, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in/out: mini-transaction */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in/out: mini-transaction */ { ut_ad(block); ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); @@ -109,8 +109,8 @@ UNIV_INLINE ulint page_header_get_field( /*==================*/ - const page_t* page, /* in: page */ - ulint field) /* in: PAGE_LEVEL, ... */ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_LEVEL, ... */ { ut_ad(page); ut_ad(field <= PAGE_INDEX_ID); @@ -124,11 +124,11 @@ UNIV_INLINE void page_header_set_field( /*==================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint field, /* in: PAGE_N_DIR_SLOTS, ... */ - ulint val) /* in: value */ + ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ + ulint val) /*!< in: value */ { ut_ad(page); ut_ad(field <= PAGE_N_RECS); @@ -143,15 +143,14 @@ page_header_set_field( } /***************************************************************** -Returns the offset stored in the given header field. */ +Returns the offset stored in the given header field. +@return offset from the start of the page, or 0 */ UNIV_INLINE ulint page_header_get_offs( /*=================*/ - /* out: offset from the start of the page, - or 0 */ - const page_t* page, /* in: page */ - ulint field) /* in: PAGE_FREE, ... */ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_FREE, ... */ { ulint offs; @@ -173,11 +172,11 @@ UNIV_INLINE void page_header_set_ptr( /*================*/ - page_t* page, /* in: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint field, /* in: PAGE_FREE, ... */ - const byte* ptr) /* in: pointer or NULL*/ + ulint field, /*!< in: PAGE_FREE, ... */ + const byte* ptr) /*!< in: pointer or NULL*/ { ulint offs; @@ -205,10 +204,10 @@ UNIV_INLINE void page_header_reset_last_insert( /*==========================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(page && mtr); @@ -225,39 +224,38 @@ page_header_reset_last_insert( #endif /* !UNIV_HOTBACKUP */ /**************************************************************** -Determine whether the page is in new-style compact format. */ +Determine whether the page is in new-style compact format. +@return nonzero if the page is in compact format, zero if it is in old-style format */ UNIV_INLINE ulint page_is_comp( /*=========*/ - /* out: nonzero if the page is in compact - format, zero if it is in old-style format */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { return(UNIV_EXPECT(page_header_get_field(page, PAGE_N_HEAP) & 0x8000, 0x8000)); } /**************************************************************** -TRUE if the record is on a page in compact format. */ +TRUE if the record is on a page in compact format. +@return nonzero if in compact format */ UNIV_INLINE ulint page_rec_is_comp( /*=============*/ - /* out: nonzero if in compact format */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ { return(page_is_comp(page_align(rec))); } /******************************************************************* -Returns the heap number of a record. */ +Returns the heap number of a record. +@return heap number */ UNIV_INLINE ulint page_rec_get_heap_no( /*=================*/ - /* out: heap number */ - const rec_t* rec) /* in: the physical record */ + const rec_t* rec) /*!< in: the physical record */ { if (page_rec_is_comp(rec)) { return(rec_get_heap_no_new(rec)); @@ -267,26 +265,25 @@ page_rec_get_heap_no( } /**************************************************************** -Determine whether the page is a B-tree leaf. */ +Determine whether the page is a B-tree leaf. +@return TRUE if the page is a B-tree leaf */ UNIV_INLINE ibool page_is_leaf( /*=========*/ - /* out: TRUE if the page is a B-tree leaf */ - const page_t* page) /* in: page */ + const page_t* page) /*!< in: page */ { return(!*(const uint16*) (page + (PAGE_HEADER + PAGE_LEVEL))); } /**************************************************************** -Gets the offset of the first record on the page. */ +Gets the offset of the first record on the page. +@return offset of the first record in record list, relative from page */ UNIV_INLINE ulint page_get_infimum_offset( /*====================*/ - /* out: offset of the first record - in record list, relative from page */ - const page_t* page) /* in: page which must have record(s) */ + const page_t* page) /*!< in: page which must have record(s) */ { ut_ad(page); ut_ad(!page_offset(page)); @@ -299,14 +296,13 @@ page_get_infimum_offset( } /**************************************************************** -Gets the offset of the last record on the page. */ +Gets the offset of the last record on the page. +@return offset of the last record in record list, relative from page */ UNIV_INLINE ulint page_get_supremum_offset( /*=====================*/ - /* out: offset of the last record in - record list, relative from page */ - const page_t* page) /* in: page which must have record(s) */ + const page_t* page) /*!< in: page which must have record(s) */ { ut_ad(page); ut_ad(!page_offset(page)); @@ -319,13 +315,13 @@ page_get_supremum_offset( } /**************************************************************** -TRUE if the record is a user record on the page. */ +TRUE if the record is a user record on the page. +@return TRUE if a user record */ UNIV_INLINE ibool page_rec_is_user_rec_low( /*=====================*/ - /* out: TRUE if a user record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ { ut_ad(offset >= PAGE_NEW_INFIMUM); #if PAGE_OLD_INFIMUM < PAGE_NEW_INFIMUM @@ -355,13 +351,13 @@ page_rec_is_user_rec_low( } /**************************************************************** -TRUE if the record is the supremum record on a page. */ +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ UNIV_INLINE ibool page_rec_is_supremum_low( /*=====================*/ - /* out: TRUE if the supremum record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ { ut_ad(offset >= PAGE_NEW_INFIMUM); ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); @@ -371,13 +367,13 @@ page_rec_is_supremum_low( } /**************************************************************** -TRUE if the record is the infimum record on a page. */ +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ UNIV_INLINE ibool page_rec_is_infimum_low( /*====================*/ - /* out: TRUE if the infimum record */ - ulint offset) /* in: record offset on page */ + ulint offset) /*!< in: record offset on page */ { ut_ad(offset >= PAGE_NEW_INFIMUM); ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); @@ -387,37 +383,37 @@ page_rec_is_infimum_low( } /**************************************************************** -TRUE if the record is a user record on the page. */ +TRUE if the record is a user record on the page. +@return TRUE if a user record */ UNIV_INLINE ibool page_rec_is_user_rec( /*=================*/ - /* out: TRUE if a user record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ { return(page_rec_is_user_rec_low(page_offset(rec))); } /**************************************************************** -TRUE if the record is the supremum record on a page. */ +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ UNIV_INLINE ibool page_rec_is_supremum( /*=================*/ - /* out: TRUE if the supremum record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ { return(page_rec_is_supremum_low(page_offset(rec))); } /**************************************************************** -TRUE if the record is the infimum record on a page. */ +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ UNIV_INLINE ibool page_rec_is_infimum( /*================*/ - /* out: TRUE if the infimum record */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ { return(page_rec_is_infimum_low(page_offset(rec))); } @@ -428,24 +424,22 @@ Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an index page, and also page infimum and supremum records can be given in the parameter rec. These are considered as the negative infinity and -the positive infinity in the alphabetical order. */ +the positive infinity in the alphabetical order. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ UNIV_INLINE int page_cmp_dtuple_rec_with_match( /*===========================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record on a page; may also + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record on a page; may also be page infimum or supremum, in which case matched-parameter values below are not affected */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields, /* in/out: number of already completely + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when function returns contains the value for current comparison */ - ulint* matched_bytes) /* in/out: number of already matched + ulint* matched_bytes) /*!< in/out: number of already matched bytes within the first field not completely matched; when function returns contains the value for current comparison */ @@ -474,26 +468,26 @@ page_cmp_dtuple_rec_with_match( #endif /* !UNIV_HOTBACKUP */ /***************************************************************** -Gets the page number. */ +Gets the page number. +@return page number */ UNIV_INLINE ulint page_get_page_no( /*=============*/ - /* out: page number */ - const page_t* page) /* in: page */ + const page_t* page) /*!< in: page */ { ut_ad(page == page_align((page_t*) page)); return(mach_read_from_4(page + FIL_PAGE_OFFSET)); } /***************************************************************** -Gets the tablespace identifier. */ +Gets the tablespace identifier. +@return space id */ UNIV_INLINE ulint page_get_space_id( /*==============*/ - /* out: space id */ - const page_t* page) /* in: page */ + const page_t* page) /*!< in: page */ { ut_ad(page == page_align((page_t*) page)); return(mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); @@ -501,25 +495,25 @@ page_get_space_id( /***************************************************************** Gets the number of user records on page (infimum and supremum records -are not user records). */ +are not user records). +@return number of user records */ UNIV_INLINE ulint page_get_n_recs( /*============*/ - /* out: number of user records */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { return(page_header_get_field(page, PAGE_N_RECS)); } /***************************************************************** -Gets the number of dir slots in directory. */ +Gets the number of dir slots in directory. +@return number of slots */ UNIV_INLINE ulint page_dir_get_n_slots( /*=================*/ - /* out: number of slots */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { return(page_header_get_field(page, PAGE_N_DIR_SLOTS)); } @@ -529,22 +523,22 @@ UNIV_INLINE void page_dir_set_n_slots( /*=================*/ - page_t* page, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - ulint n_slots)/* in: number of slots */ + ulint n_slots)/*!< in: number of slots */ { page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots); } /***************************************************************** -Gets the number of records in the heap. */ +Gets the number of records in the heap. +@return number of user records */ UNIV_INLINE ulint page_dir_get_n_heap( /*================*/ - /* out: number of user records */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { return(page_header_get_field(page, PAGE_N_HEAP) & 0x7fff); } @@ -555,13 +549,13 @@ UNIV_INLINE void page_dir_set_n_heap( /*================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL. Note that the size of the dense page directory in the compressed page trailer is n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ - ulint n_heap) /* in: number of records */ + ulint n_heap) /*!< in: number of records */ { ut_ad(n_heap < 0x8000); ut_ad(!page_zip || n_heap @@ -574,14 +568,14 @@ page_dir_set_n_heap( #ifdef UNIV_DEBUG /***************************************************************** -Gets pointer to nth directory slot. */ +Gets pointer to nth directory slot. +@return pointer to dir slot */ UNIV_INLINE page_dir_slot_t* page_dir_get_nth_slot( /*==================*/ - /* out: pointer to dir slot */ - const page_t* page, /* in: index page */ - ulint n) /* in: position */ + const page_t* page, /*!< in: index page */ + ulint n) /*!< in: position */ { ut_ad(page_dir_get_n_slots(page) > n); @@ -592,13 +586,13 @@ page_dir_get_nth_slot( #endif /* UNIV_DEBUG */ /****************************************************************** -Used to check the consistency of a record on a page. */ +Used to check the consistency of a record on a page. +@return TRUE if succeed */ UNIV_INLINE ibool page_rec_check( /*===========*/ - /* out: TRUE if succeed */ - const rec_t* rec) /* in: record */ + const rec_t* rec) /*!< in: record */ { const page_t* page = page_align(rec); @@ -611,13 +605,13 @@ page_rec_check( } /******************************************************************* -Gets the record pointed to by a directory slot. */ +Gets the record pointed to by a directory slot. +@return pointer to record */ UNIV_INLINE const rec_t* page_dir_slot_get_rec( /*==================*/ - /* out: pointer to record */ - const page_dir_slot_t* slot) /* in: directory slot */ + const page_dir_slot_t* slot) /*!< in: directory slot */ { return(page_align(slot) + mach_read_from_2(slot)); } @@ -628,8 +622,8 @@ UNIV_INLINE void page_dir_slot_set_rec( /*==================*/ - page_dir_slot_t* slot, /* in: directory slot */ - rec_t* rec) /* in: record on the page */ + page_dir_slot_t* slot, /*!< in: directory slot */ + rec_t* rec) /*!< in: record on the page */ { ut_ad(page_rec_check(rec)); @@ -637,13 +631,13 @@ page_dir_slot_set_rec( } /******************************************************************* -Gets the number of records owned by a directory slot. */ +Gets the number of records owned by a directory slot. +@return number of records */ UNIV_INLINE ulint page_dir_slot_get_n_owned( /*======================*/ - /* out: number of records */ - const page_dir_slot_t* slot) /* in: page directory slot */ + const page_dir_slot_t* slot) /*!< in: page directory slot */ { const rec_t* rec = page_dir_slot_get_rec(slot); if (page_rec_is_comp(slot)) { @@ -659,9 +653,9 @@ UNIV_INLINE void page_dir_slot_set_n_owned( /*======================*/ - page_dir_slot_t*slot, /* in/out: directory slot */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint n) /* in: number of records owned by the slot */ + page_dir_slot_t*slot, /*!< in/out: directory slot */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n) /*!< in: number of records owned by the slot */ { rec_t* rec = (rec_t*) page_dir_slot_get_rec(slot); if (page_rec_is_comp(slot)) { @@ -680,21 +674,21 @@ UNIV_INLINE ulint page_dir_calc_reserved_space( /*=========================*/ - ulint n_recs) /* in: number of records */ + ulint n_recs) /*!< in: number of records */ { return((PAGE_DIR_SLOT_SIZE * n_recs + PAGE_DIR_SLOT_MIN_N_OWNED - 1) / PAGE_DIR_SLOT_MIN_N_OWNED); } /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE const rec_t* page_rec_get_next_low( /*==================*/ - /* out: pointer to next record */ - const rec_t* rec, /* in: pointer to record */ - ulint comp) /* in: nonzero=compact page layout */ + const rec_t* rec, /*!< in: pointer to record */ + ulint comp) /*!< in: nonzero=compact page layout */ { ulint offs; const page_t* page; @@ -728,25 +722,25 @@ page_rec_get_next_low( } /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE rec_t* page_rec_get_next( /*==============*/ - /* out: pointer to next record */ - rec_t* rec) /* in: pointer to record */ + rec_t* rec) /*!< in: pointer to record */ { return((rec_t*) page_rec_get_next_low(rec, page_rec_is_comp(rec))); } /**************************************************************** -Gets the pointer to the next record on the page. */ +Gets the pointer to the next record on the page. +@return pointer to next record */ UNIV_INLINE const rec_t* page_rec_get_next_const( /*====================*/ - /* out: pointer to next record */ - const rec_t* rec) /* in: pointer to record */ + const rec_t* rec) /*!< in: pointer to record */ { return(page_rec_get_next_low(rec, page_rec_is_comp(rec))); } @@ -757,9 +751,9 @@ UNIV_INLINE void page_rec_set_next( /*==============*/ - rec_t* rec, /* in: pointer to record, + rec_t* rec, /*!< in: pointer to record, must not be page supremum */ - rec_t* next) /* in: pointer to next record, + rec_t* next) /*!< in: pointer to next record, must not be page infimum */ { ulint offs; @@ -785,13 +779,13 @@ page_rec_set_next( } /**************************************************************** -Gets the pointer to the previous record. */ +Gets the pointer to the previous record. +@return pointer to previous record */ UNIV_INLINE const rec_t* page_rec_get_prev_const( /*====================*/ - /* out: pointer to previous record */ - const rec_t* rec) /* in: pointer to record, must not be page + const rec_t* rec) /*!< in: pointer to record, must not be page infimum */ { const page_dir_slot_t* slot; @@ -832,26 +826,26 @@ page_rec_get_prev_const( } /**************************************************************** -Gets the pointer to the previous record. */ +Gets the pointer to the previous record. +@return pointer to previous record */ UNIV_INLINE rec_t* page_rec_get_prev( /*==============*/ - /* out: pointer to previous record */ - rec_t* rec) /* in: pointer to record, must not be page + rec_t* rec) /*!< in: pointer to record, must not be page infimum */ { return((rec_t*) page_rec_get_prev_const(rec)); } /******************************************************************* -Looks for the record which owns the given record. */ +Looks for the record which owns the given record. +@return the owner record */ UNIV_INLINE rec_t* page_rec_find_owner_rec( /*====================*/ - /* out: the owner record */ - rec_t* rec) /* in: the physical record */ + rec_t* rec) /*!< in: the physical record */ { ut_ad(page_rec_check(rec)); @@ -870,14 +864,13 @@ page_rec_find_owner_rec( /************************************************************** Returns the base extra size of a physical record. This is the -size of the fixed header, independent of the record size. */ +size of the fixed header, independent of the record size. +@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ UNIV_INLINE ulint page_rec_get_base_extra_size( /*=========================*/ - /* out: REC_N_NEW_EXTRA_BYTES - or REC_N_OLD_EXTRA_BYTES */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { #if REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES # error "REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES" @@ -887,13 +880,13 @@ page_rec_get_base_extra_size( /**************************************************************** Returns the sum of the sizes of the records in the record list, excluding -the infimum and supremum records. */ +the infimum and supremum records. +@return data in bytes */ UNIV_INLINE ulint page_get_data_size( /*===============*/ - /* out: data in bytes */ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { ulint ret; @@ -915,13 +908,13 @@ UNIV_INTERN void page_mem_alloc_free( /*================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with enough + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough space available for inserting the record, or NULL */ - rec_t* next_rec,/* in: pointer to the new head of the + rec_t* next_rec,/*!< in: pointer to the new head of the free record list */ - ulint need) /* in: number of bytes allocated */ + ulint need) /*!< in: number of bytes allocated */ { ulint garbage; @@ -943,13 +936,13 @@ page_mem_alloc_free( } /***************************************************************** -Calculates free space if a page is emptied. */ +Calculates free space if a page is emptied. +@return free space */ UNIV_INLINE ulint page_get_free_space_of_empty( /*=========================*/ - /* out: free space */ - ulint comp) /* in: nonzero=compact page layout */ + ulint comp) /*!< in: nonzero=compact page layout */ { if (UNIV_LIKELY(comp)) { return((ulint)(UNIV_PAGE_SIZE @@ -970,15 +963,14 @@ takes its size plus the fraction of the dir cell size / PAGE_DIR_SLOT_MIN_N_OWNED bytes for it. If the sum of these exceeds the value of page_get_free_space_of_empty, the insert is impossible, otherwise it is allowed. This function returns the maximum combined size of records -which can be inserted on top of the record heap. */ +which can be inserted on top of the record heap. +@return maximum combined size for inserted records */ UNIV_INLINE ulint page_get_max_insert_size( /*=====================*/ - /* out: maximum combined size for - inserted records */ - const page_t* page, /* in: index page */ - ulint n_recs) /* in: number of records */ + const page_t* page, /*!< in: index page */ + ulint n_recs) /*!< in: number of records */ { ulint occupied; ulint free_space; @@ -1013,15 +1005,14 @@ page_get_max_insert_size( /**************************************************************** Returns the maximum combined size of records which can be inserted on top -of the record heap if a page is first reorganized. */ +of the record heap if a page is first reorganized. +@return maximum combined size for inserted records */ UNIV_INLINE ulint page_get_max_insert_size_after_reorganize( /*======================================*/ - /* out: maximum combined size for - inserted records */ - const page_t* page, /* in: index page */ - ulint n_recs) /* in: number of records */ + const page_t* page, /*!< in: index page */ + ulint n_recs) /*!< in: number of records */ { ulint occupied; ulint free_space; @@ -1045,11 +1036,11 @@ UNIV_INLINE void page_mem_free( /*==========*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - rec_t* rec, /* in: pointer to the (origin of) record */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + rec_t* rec, /*!< in: pointer to the (origin of) record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { rec_t* free; ulint garbage; diff --git a/include/page0types.h b/include/page0types.h index 06af7a63d58..a789a78b135 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -99,9 +99,9 @@ UNIV_INTERN void page_zip_rec_set_deleted( /*=====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the deleted flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ __attribute__((nonnull)); /************************************************************************** @@ -111,9 +111,9 @@ UNIV_INTERN void page_zip_rec_set_owned( /*===================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the owned flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ __attribute__((nonnull)); /************************************************************************** @@ -122,11 +122,11 @@ UNIV_INTERN void page_zip_dir_delete( /*================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in: deleted record */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets,/* in: rec_get_offsets(rec) */ - const byte* free) /* in: previous start of the free list */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: deleted record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ __attribute__((nonnull(1,2,3,4))); /************************************************************************** @@ -135,8 +135,8 @@ UNIV_INTERN void page_zip_dir_add_slot( /*==================*/ - page_zip_des_t* page_zip, /* in/out: compressed page */ - ulint is_clustered) /* in: nonzero for clustered index, + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, zero for others */ __attribute__((nonnull)); #endif diff --git a/include/page0zip.h b/include/page0zip.h index 50a9194c996..dcf036f30de 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -38,13 +38,13 @@ Created June 2005 by Marko Makela #include "mem0mem.h" /************************************************************************** -Determine the size of a compressed page in bytes. */ +Determine the size of a compressed page in bytes. +@return size in bytes */ UNIV_INLINE ulint page_zip_get_size( /*==============*/ - /* out: size in bytes */ - const page_zip_des_t* page_zip) /* in: compressed page */ + const page_zip_des_t* page_zip) /*!< in: compressed page */ __attribute__((nonnull, pure)); /************************************************************************** Set the size of a compressed page in bytes. */ @@ -52,34 +52,33 @@ UNIV_INLINE void page_zip_set_size( /*==============*/ - page_zip_des_t* page_zip, /* in/out: compressed page */ - ulint size); /* in: size in bytes */ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint size); /*!< in: size in bytes */ #ifndef UNIV_HOTBACKUP /************************************************************************** -Determine if a record is so big that it needs to be stored externally. */ +Determine if a record is so big that it needs to be stored externally. +@return FALSE if the entire record can be stored locally on the page */ UNIV_INLINE ibool page_zip_rec_needs_ext( /*===================*/ - /* out: FALSE if the entire record - can be stored locally on the page */ - ulint rec_size, /* in: length of the record in bytes */ - ulint comp, /* in: nonzero=compact format */ - ulint n_fields, /* in: number of fields in the record; + ulint rec_size, /*!< in: length of the record in bytes */ + ulint comp, /*!< in: nonzero=compact format */ + ulint n_fields, /*!< in: number of fields in the record; ignored if zip_size == 0 */ - ulint zip_size) /* in: compressed page size in bytes, or 0 */ + ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ __attribute__((const)); /************************************************************************** -Determine the guaranteed free space on an empty page. */ +Determine the guaranteed free space on an empty page. +@return minimum payload size on the page */ UNIV_INTERN ulint page_zip_empty_size( /*================*/ - /* out: minimum payload size on the page */ - ulint n_fields, /* in: number of columns in the index */ - ulint zip_size) /* in: compressed page size in bytes */ + ulint n_fields, /*!< in: number of columns in the index */ + ulint zip_size) /*!< in: compressed page size in bytes */ __attribute__((const)); #endif /* !UNIV_HOTBACKUP */ @@ -89,7 +88,7 @@ UNIV_INLINE void page_zip_des_init( /*==============*/ - page_zip_des_t* page_zip); /* in/out: compressed page + page_zip_des_t* page_zip); /*!< in/out: compressed page descriptor */ /************************************************************************** @@ -98,61 +97,60 @@ UNIV_INTERN void page_zip_set_alloc( /*===============*/ - void* stream, /* in/out: zlib stream */ - mem_heap_t* heap); /* in: memory heap to use */ + void* stream, /*!< in/out: zlib stream */ + mem_heap_t* heap); /*!< in: memory heap to use */ /************************************************************************** -Compress a page. */ +Compress a page. +@return TRUE on success, FALSE on failure; page_zip will be left intact on failure. */ UNIV_INTERN ibool page_zip_compress( /*==============*/ - /* out: TRUE on success, FALSE on failure; - page_zip will be left intact on failure. */ - page_zip_des_t* page_zip,/* in: size; out: data, n_blobs, + page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, m_start, m_end, m_nonempty */ - const page_t* page, /* in: uncompressed page */ - dict_index_t* index, /* in: index of the B-tree node */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2,3))); /************************************************************************** Decompress a page. This function should tolerate errors on the compressed page. Instead of letting assertions fail, it will return FALSE if an -inconsistency is detected. */ +inconsistency is detected. +@return TRUE on success, FALSE on failure */ UNIV_INTERN ibool page_zip_decompress( /*================*/ - /* out: TRUE on success, FALSE on failure */ - page_zip_des_t* page_zip,/* in: data, ssize; + page_zip_des_t* page_zip,/*!< in: data, ssize; out: m_start, m_end, m_nonempty, n_blobs */ - page_t* page) /* out: uncompressed page, may be trashed */ + page_t* page) /*!< out: uncompressed page, may be trashed */ __attribute__((nonnull)); #ifdef UNIV_DEBUG /************************************************************************** -Validate a compressed page descriptor. */ +Validate a compressed page descriptor. +@return TRUE if ok */ UNIV_INLINE ibool page_zip_simple_validate( /*=====================*/ - /* out: TRUE if ok */ - const page_zip_des_t* page_zip); /* in: compressed page + const page_zip_des_t* page_zip); /*!< in: compressed page descriptor */ #endif /* UNIV_DEBUG */ #ifdef UNIV_ZIP_DEBUG /************************************************************************** -Check that the compressed and decompressed pages match. */ +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ UNIV_INTERN ibool page_zip_validate_low( /*==================*/ - /* out: TRUE if valid, FALSE if not */ - const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page, /* in: uncompressed page */ - ibool sloppy) /* in: FALSE=strict, + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + ibool sloppy) /*!< in: FALSE=strict, TRUE=ignore the MIN_REC_FLAG */ __attribute__((nonnull)); /************************************************************************** @@ -161,38 +159,33 @@ UNIV_INTERN ibool page_zip_validate( /*==============*/ - const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page) /* in: uncompressed page */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page) /*!< in: uncompressed page */ __attribute__((nonnull)); #endif /* UNIV_ZIP_DEBUG */ /************************************************************************** -Determine how big record can be inserted without recompressing the page. */ +Determine how big record can be inserted without recompressing the page. +@return a positive number indicating the maximum size of a record whose insertion is guaranteed to succeed, or zero or negative */ UNIV_INLINE lint page_zip_max_ins_size( /*==================*/ - /* out: a positive number - indicating the maximum size of - a record whose insertion is - guaranteed to succeed, or - zero or negative */ - const page_zip_des_t* page_zip,/* in: compressed page */ - ibool is_clust)/* in: TRUE if clustered index */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust)/*!< in: TRUE if clustered index */ __attribute__((nonnull, pure)); /************************************************************************** -Determine if enough space is available in the modification log. */ +Determine if enough space is available in the modification log. +@return TRUE if page_zip_write_rec() will succeed */ UNIV_INLINE ibool page_zip_available( /*===============*/ - /* out: TRUE if page_zip_write_rec() - will succeed */ - const page_zip_des_t* page_zip,/* in: compressed page */ - ibool is_clust,/* in: TRUE if clustered index */ - ulint length, /* in: combined size of the record */ - ulint create) /* in: nonzero=add the record to + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint length, /*!< in: combined size of the record */ + ulint create) /*!< in: nonzero=add the record to the heap */ __attribute__((nonnull, pure)); @@ -203,10 +196,10 @@ UNIV_INLINE void page_zip_write_header( /*==================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* str, /* in: address on the uncompressed page */ - ulint length, /* in: length of the data */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); /************************************************************************** @@ -216,24 +209,24 @@ UNIV_INTERN void page_zip_write_rec( /*===============*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record being written */ - dict_index_t* index, /* in: the index the record belongs to */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint create) /* in: nonzero=insert, zero=update */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint create) /*!< in: nonzero=insert, zero=update */ __attribute__((nonnull)); /*************************************************************** -Parses a log record of writing a BLOB pointer of a record. */ +Parses a log record of writing a BLOB pointer of a record. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_blob_ptr( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip);/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ /************************************************************************** Write a BLOB pointer of a record on the leaf page of a clustered index. @@ -242,27 +235,27 @@ UNIV_INTERN void page_zip_write_blob_ptr( /*====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in/out: record whose data is being + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in/out: record whose data is being written */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint n, /* in: column index */ - mtr_t* mtr) /* in: mini-transaction handle, + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint n, /*!< in: column index */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL if no logging is needed */ __attribute__((nonnull(1,2,3,4))); /*************************************************************** -Parses a log record of writing the node pointer of a record. */ +Parses a log record of writing the node pointer of a record. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_node_ptr( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip);/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ /************************************************************************** Write the node pointer of a record on a non-leaf compressed page. */ @@ -270,11 +263,11 @@ UNIV_INTERN void page_zip_write_node_ptr( /*====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in/out: record */ - ulint size, /* in: data size of rec */ - ulint ptr, /* in: node pointer */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + ulint size, /*!< in: data size of rec */ + ulint ptr, /*!< in: node pointer */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); /************************************************************************** @@ -283,12 +276,12 @@ UNIV_INTERN void page_zip_write_trx_id_and_roll_ptr( /*===============================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in/out: record */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint trx_id_col,/* in: column number of TRX_ID in rec */ - trx_id_t trx_id, /* in: transaction identifier */ - roll_ptr_t roll_ptr)/* in: roll_ptr */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ + trx_id_t trx_id, /*!< in: transaction identifier */ + roll_ptr_t roll_ptr)/*!< in: roll_ptr */ __attribute__((nonnull)); /************************************************************************** @@ -298,9 +291,9 @@ UNIV_INTERN void page_zip_rec_set_deleted( /*=====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the deleted flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ __attribute__((nonnull)); /************************************************************************** @@ -310,9 +303,9 @@ UNIV_INTERN void page_zip_rec_set_owned( /*===================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the owned flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ __attribute__((nonnull)); /************************************************************************** @@ -321,11 +314,11 @@ UNIV_INTERN void page_zip_dir_insert( /*================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* prev_rec,/* in: record after which to insert */ - const byte* free_rec,/* in: record from which rec was + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* prev_rec,/*!< in: record after which to insert */ + const byte* free_rec,/*!< in: record from which rec was allocated, or NULL */ - byte* rec); /* in: record to insert */ + byte* rec); /*!< in: record to insert */ /************************************************************************** Shift the dense page directory and the array of BLOB pointers @@ -334,11 +327,11 @@ UNIV_INTERN void page_zip_dir_delete( /*================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in: deleted record */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets,/* in: rec_get_offsets(rec) */ - const byte* free) /* in: previous start of the free list */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: deleted record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ __attribute__((nonnull(1,2,3,4))); /************************************************************************** @@ -347,22 +340,22 @@ UNIV_INTERN void page_zip_dir_add_slot( /*==================*/ - page_zip_des_t* page_zip, /* in/out: compressed page */ - ulint is_clustered) /* in: nonzero for clustered index, + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, zero for others */ __attribute__((nonnull)); /*************************************************************** -Parses a log record of writing to the header of a page. */ +Parses a log record of writing to the header of a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_header( /*========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip);/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ /************************************************************************** Write data to the uncompressed header portion of a page. The data must @@ -374,10 +367,10 @@ UNIV_INLINE void page_zip_write_header( /*==================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* str, /* in: address on the uncompressed page */ - ulint length, /* in: length of the data */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); /************************************************************************** @@ -388,20 +381,18 @@ The function btr_page_reorganize() should be preferred whenever possible. IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the modification -will be redo-logged. */ +will be redo-logged. +@return TRUE on success, FALSE on failure; page and page_zip will be left intact on failure. */ UNIV_INTERN ibool page_zip_reorganize( /*================*/ - /* out: TRUE on success, FALSE on failure; - page and page_zip will be left intact - on failure. */ - buf_block_t* block, /* in/out: page with compressed page; + buf_block_t* block, /*!< in/out: page with compressed page; on the compressed page, in: size; out: data, n_blobs, m_start, m_end, m_nonempty */ - dict_index_t* index, /* in: index of the B-tree node */ - mtr_t* mtr) /* in: mini-transaction */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ __attribute__((nonnull)); #ifndef UNIV_HOTBACKUP /************************************************************************** @@ -413,39 +404,39 @@ UNIV_INTERN void page_zip_copy_recs( /*===============*/ - page_zip_des_t* page_zip, /* out: copy of src_zip + page_zip_des_t* page_zip, /*!< out: copy of src_zip (n_blobs, m_start, m_end, m_nonempty, data[0..size-1]) */ - page_t* page, /* out: copy of src */ - const page_zip_des_t* src_zip, /* in: compressed page */ - const page_t* src, /* in: page */ - dict_index_t* index, /* in: index of the B-tree */ - mtr_t* mtr) /* in: mini-transaction */ + page_t* page, /*!< out: copy of src */ + const page_zip_des_t* src_zip, /*!< in: compressed page */ + const page_t* src, /*!< in: page */ + dict_index_t* index, /*!< in: index of the B-tree */ + mtr_t* mtr) /*!< in: mini-transaction */ __attribute__((nonnull(1,2,3,4))); #endif /* !UNIV_HOTBACKUP */ /************************************************************************** -Parses a log record of compressing an index page. */ +Parses a log record of compressing an index page. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_compress( /*====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* out: uncompressed page */ - page_zip_des_t* page_zip)/* out: compressed page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< out: uncompressed page */ + page_zip_des_t* page_zip)/*!< out: compressed page */ __attribute__((nonnull(1,2))); /************************************************************************** -Calculate the compressed page checksum. */ +Calculate the compressed page checksum. +@return page checksum */ UNIV_INTERN ulint page_zip_calc_checksum( /*===================*/ - /* out: page checksum */ - const void* data, /* in: compressed page */ - ulint size) /* in: size of compressed page */ + const void* data, /*!< in: compressed page */ + ulint size) /*!< in: size of compressed page */ __attribute__((nonnull)); #ifndef UNIV_HOTBACKUP diff --git a/include/page0zip.ic b/include/page0zip.ic index d9f36251c0a..12c389cb6f1 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -109,13 +109,13 @@ In summary, the compressed page looks like this: #define PAGE_ZIP_DIR_SLOT_DEL 0x8000 /************************************************************************** -Determine the size of a compressed page in bytes. */ +Determine the size of a compressed page in bytes. +@return size in bytes */ UNIV_INLINE ulint page_zip_get_size( /*==============*/ - /* out: size in bytes */ - const page_zip_des_t* page_zip) /* in: compressed page */ + const page_zip_des_t* page_zip) /*!< in: compressed page */ { ulint size; @@ -136,8 +136,8 @@ UNIV_INLINE void page_zip_set_size( /*==============*/ - page_zip_des_t* page_zip, /* in/out: compressed page */ - ulint size) /* in: size in bytes */ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint size) /*!< in: size in bytes */ { if (size) { int ssize; @@ -157,18 +157,17 @@ page_zip_set_size( #ifndef UNIV_HOTBACKUP /************************************************************************** -Determine if a record is so big that it needs to be stored externally. */ +Determine if a record is so big that it needs to be stored externally. +@return FALSE if the entire record can be stored locally on the page */ UNIV_INLINE ibool page_zip_rec_needs_ext( /*===================*/ - /* out: FALSE if the entire record - can be stored locally on the page */ - ulint rec_size, /* in: length of the record in bytes */ - ulint comp, /* in: nonzero=compact format */ - ulint n_fields, /* in: number of fields in the record; + ulint rec_size, /*!< in: length of the record in bytes */ + ulint comp, /*!< in: nonzero=compact format */ + ulint n_fields, /*!< in: number of fields in the record; ignored if zip_size == 0 */ - ulint zip_size) /* in: compressed page size in bytes, or 0 */ + ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ { ut_ad(rec_size > comp ? REC_N_NEW_EXTRA_BYTES : REC_N_OLD_EXTRA_BYTES); ut_ad(ut_is_2pow(zip_size)); @@ -199,13 +198,13 @@ page_zip_rec_needs_ext( #ifdef UNIV_DEBUG /************************************************************************** -Validate a compressed page descriptor. */ +Validate a compressed page descriptor. +@return TRUE if ok */ UNIV_INLINE ibool page_zip_simple_validate( /*=====================*/ - /* out: TRUE if ok */ - const page_zip_des_t* page_zip)/* in: compressed page descriptor */ + const page_zip_des_t* page_zip)/*!< in: compressed page descriptor */ { ut_ad(page_zip); ut_ad(page_zip->data); @@ -221,17 +220,15 @@ page_zip_simple_validate( #endif /* UNIV_DEBUG */ /************************************************************************** -Determine if the length of the page trailer. */ +Determine if the length of the page trailer. +@return length of the page trailer, in bytes, not including the terminating zero byte of the modification log */ UNIV_INLINE ibool page_zip_get_trailer_len( /*=====================*/ - /* out: length of the page trailer, - in bytes, not including the terminating - zero byte of the modification log */ - const page_zip_des_t* page_zip,/* in: compressed page */ - ibool is_clust,/* in: TRUE if clustered index */ - ulint* entry_size)/* out: size of the uncompressed + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint* entry_size)/*!< out: size of the uncompressed portion of a user record */ { ulint uncompressed_size; @@ -261,18 +258,14 @@ page_zip_get_trailer_len( } /************************************************************************** -Determine how big record can be inserted without recompressing the page. */ +Determine how big record can be inserted without recompressing the page. +@return a positive number indicating the maximum size of a record whose insertion is guaranteed to succeed, or zero or negative */ UNIV_INLINE lint page_zip_max_ins_size( /*==================*/ - /* out: a positive number - indicating the maximum size of - a record whose insertion is - guaranteed to succeed, or - zero or negative */ - const page_zip_des_t* page_zip,/* in: compressed page */ - ibool is_clust)/* in: TRUE if clustered index */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust)/*!< in: TRUE if clustered index */ { ulint uncompressed_size; ulint trailer_len; @@ -295,17 +288,16 @@ page_zip_max_ins_size( } /************************************************************************** -Determine if enough space is available in the modification log. */ +Determine if enough space is available in the modification log. +@return TRUE if enough space is available */ UNIV_INLINE ibool page_zip_available( /*===============*/ - /* out: TRUE if enough space - is available */ - const page_zip_des_t* page_zip,/* in: compressed page */ - ibool is_clust,/* in: TRUE if clustered index */ - ulint length, /* in: combined size of the record */ - ulint create) /* in: nonzero=add the record to + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint length, /*!< in: combined size of the record */ + ulint create) /*!< in: nonzero=add the record to the heap */ { ulint uncompressed_size; @@ -343,7 +335,7 @@ UNIV_INLINE void page_zip_des_init( /*==============*/ - page_zip_des_t* page_zip) /* in/out: compressed page + page_zip_des_t* page_zip) /*!< in/out: compressed page descriptor */ { memset(page_zip, 0, sizeof *page_zip); @@ -355,9 +347,9 @@ UNIV_INTERN void page_zip_write_header_log( /*======================*/ - const byte* data,/* in: data on the uncompressed page */ - ulint length, /* in: length of the data */ - mtr_t* mtr); /* in: mini-transaction */ + const byte* data,/*!< in: data on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr); /*!< in: mini-transaction */ /************************************************************************** Write data to the uncompressed header portion of a page. The data must @@ -369,10 +361,10 @@ UNIV_INLINE void page_zip_write_header( /*==================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* str, /* in: address on the uncompressed page */ - ulint length, /* in: length of the data */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ { ulint pos; diff --git a/include/pars0opt.h b/include/pars0opt.h index 02524e9d893..e824cda35b1 100644 --- a/include/pars0opt.h +++ b/include/pars0opt.h @@ -40,7 +40,7 @@ UNIV_INTERN void opt_search_plan( /*============*/ - sel_node_t* sel_node); /* in: parsed select node */ + sel_node_t* sel_node); /*!< in: parsed select node */ /*********************************************************************** Looks for occurrences of the columns of the table in the query subgraph and adds them to the list of columns if an occurrence of the same column does not @@ -52,20 +52,20 @@ UNIV_INTERN void opt_find_all_cols( /*==============*/ - ibool copy_val, /* in: if TRUE, new found columns are + ibool copy_val, /*!< in: if TRUE, new found columns are added as columns to copy */ - dict_index_t* index, /* in: index to use */ - sym_node_list_t* col_list, /* in: base node of a list where + dict_index_t* index, /*!< in: index to use */ + sym_node_list_t* col_list, /*!< in: base node of a list where to add new found columns */ - plan_t* plan, /* in: plan or NULL */ - que_node_t* exp); /* in: expression or condition */ + plan_t* plan, /*!< in: plan or NULL */ + que_node_t* exp); /*!< in: expression or condition */ /************************************************************************ Prints info of a query plan. */ UNIV_INTERN void opt_print_query_plan( /*=================*/ - sel_node_t* sel_node); /* in: select node */ + sel_node_t* sel_node); /*!< in: select node */ #ifndef UNIV_NONINL #include "pars0opt.ic" diff --git a/include/pars0pars.h b/include/pars0pars.h index 35b6d88a785..302587292d5 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -94,23 +94,23 @@ int yyparse(void); /***************************************************************** -Parses an SQL string returning the query graph. */ +Parses an SQL string returning the query graph. +@return own: the query graph */ UNIV_INTERN que_t* pars_sql( /*=====*/ - /* out, own: the query graph */ - pars_info_t* info, /* in: extra information, or NULL */ - const char* str); /* in: SQL string */ + pars_info_t* info, /*!< in: extra information, or NULL */ + const char* str); /*!< in: SQL string */ /***************************************************************** Retrieves characters to the lexical analyzer. */ UNIV_INTERN void pars_get_lex_chars( /*===============*/ - char* buf, /* in/out: buffer where to copy */ - int* result, /* out: number of characters copied or EOF */ - int max_size); /* in: maximum number of characters which fit + char* buf, /*!< in/out: buffer where to copy */ + int* result, /*!< out: number of characters copied or EOF */ + int max_size); /*!< in: maximum number of characters which fit in the buffer */ /***************************************************************** Called by yyparse on error. */ @@ -118,292 +118,284 @@ UNIV_INTERN void yyerror( /*====*/ - const char* s); /* in: error message string */ + const char* s); /*!< in: error message string */ /************************************************************************* -Parses a variable declaration. */ +Parses a variable declaration. +@return own: symbol table node of type SYM_VAR */ UNIV_INTERN sym_node_t* pars_variable_declaration( /*======================*/ - /* out, own: symbol table node of type - SYM_VAR */ - sym_node_t* node, /* in: symbol table node allocated for the + sym_node_t* node, /*!< in: symbol table node allocated for the id of the variable */ - pars_res_word_t* type); /* in: pointer to a type token */ + pars_res_word_t* type); /*!< in: pointer to a type token */ /************************************************************************* -Parses a function expression. */ +Parses a function expression. +@return own: function node in a query tree */ UNIV_INTERN func_node_t* pars_func( /*======*/ - /* out, own: function node in a query tree */ - que_node_t* res_word,/* in: function name reserved word */ - que_node_t* arg); /* in: first argument in the argument list */ + que_node_t* res_word,/*!< in: function name reserved word */ + que_node_t* arg); /*!< in: first argument in the argument list */ /************************************************************************* -Parses an operator expression. */ +Parses an operator expression. +@return own: function node in a query tree */ UNIV_INTERN func_node_t* pars_op( /*====*/ - /* out, own: function node in a query tree */ - int func, /* in: operator token code */ - que_node_t* arg1, /* in: first argument */ - que_node_t* arg2); /* in: second argument or NULL for an unary + int func, /*!< in: operator token code */ + que_node_t* arg1, /*!< in: first argument */ + que_node_t* arg2); /*!< in: second argument or NULL for an unary operator */ /************************************************************************* -Parses an ORDER BY clause. Order by a single column only is supported. */ +Parses an ORDER BY clause. Order by a single column only is supported. +@return own: order-by node in a query tree */ UNIV_INTERN order_node_t* pars_order_by( /*==========*/ - /* out, own: order-by node in a query tree */ - sym_node_t* column, /* in: column name */ - pars_res_word_t* asc); /* in: &pars_asc_token or pars_desc_token */ + sym_node_t* column, /*!< in: column name */ + pars_res_word_t* asc); /*!< in: &pars_asc_token or pars_desc_token */ /************************************************************************* Parses a select list; creates a query graph node for the whole SELECT -statement. */ +statement. +@return own: select node in a query tree */ UNIV_INTERN sel_node_t* pars_select_list( /*=============*/ - /* out, own: select node in a query - tree */ - que_node_t* select_list, /* in: select list */ - sym_node_t* into_list); /* in: variables list or NULL */ + que_node_t* select_list, /*!< in: select list */ + sym_node_t* into_list); /*!< in: variables list or NULL */ /************************************************************************* -Parses a cursor declaration. */ +Parses a cursor declaration. +@return sym_node */ UNIV_INTERN que_node_t* pars_cursor_declaration( /*====================*/ - /* out: sym_node */ - sym_node_t* sym_node, /* in: cursor id node in the symbol + sym_node_t* sym_node, /*!< in: cursor id node in the symbol table */ - sel_node_t* select_node); /* in: select node */ + sel_node_t* select_node); /*!< in: select node */ /************************************************************************* -Parses a function declaration. */ +Parses a function declaration. +@return sym_node */ UNIV_INTERN que_node_t* pars_function_declaration( /*======================*/ - /* out: sym_node */ - sym_node_t* sym_node); /* in: function id node in the symbol + sym_node_t* sym_node); /*!< in: function id node in the symbol table */ /************************************************************************* -Parses a select statement. */ +Parses a select statement. +@return own: select node in a query tree */ UNIV_INTERN sel_node_t* pars_select_statement( /*==================*/ - /* out, own: select node in a query - tree */ - sel_node_t* select_node, /* in: select node already containing + sel_node_t* select_node, /*!< in: select node already containing the select list */ - sym_node_t* table_list, /* in: table list */ - que_node_t* search_cond, /* in: search condition or NULL */ - pars_res_word_t* for_update, /* in: NULL or &pars_update_token */ - pars_res_word_t* consistent_read,/* in: NULL or + sym_node_t* table_list, /*!< in: table list */ + que_node_t* search_cond, /*!< in: search condition or NULL */ + pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ + pars_res_word_t* consistent_read,/*!< in: NULL or &pars_consistent_token */ - order_node_t* order_by); /* in: NULL or an order-by node */ + order_node_t* order_by); /*!< in: NULL or an order-by node */ /************************************************************************* -Parses a column assignment in an update. */ +Parses a column assignment in an update. +@return column assignment node */ UNIV_INTERN col_assign_node_t* pars_column_assignment( /*===================*/ - /* out: column assignment node */ - sym_node_t* column, /* in: column to assign */ - que_node_t* exp); /* in: value to assign */ + sym_node_t* column, /*!< in: column to assign */ + que_node_t* exp); /*!< in: value to assign */ /************************************************************************* -Parses a delete or update statement start. */ +Parses a delete or update statement start. +@return own: update node in a query tree */ UNIV_INTERN upd_node_t* pars_update_statement_start( /*========================*/ - /* out, own: update node in a query - tree */ - ibool is_delete, /* in: TRUE if delete */ - sym_node_t* table_sym, /* in: table name node */ - col_assign_node_t* col_assign_list);/* in: column assignment list, NULL + ibool is_delete, /*!< in: TRUE if delete */ + sym_node_t* table_sym, /*!< in: table name node */ + col_assign_node_t* col_assign_list);/*!< in: column assignment list, NULL if delete */ /************************************************************************* -Parses an update or delete statement. */ +Parses an update or delete statement. +@return own: update node in a query tree */ UNIV_INTERN upd_node_t* pars_update_statement( /*==================*/ - /* out, own: update node in a query - tree */ - upd_node_t* node, /* in: update node */ - sym_node_t* cursor_sym, /* in: pointer to a cursor entry in + upd_node_t* node, /*!< in: update node */ + sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in the symbol table or NULL */ - que_node_t* search_cond); /* in: search condition or NULL */ + que_node_t* search_cond); /*!< in: search condition or NULL */ /************************************************************************* -Parses an insert statement. */ +Parses an insert statement. +@return own: update node in a query tree */ UNIV_INTERN ins_node_t* pars_insert_statement( /*==================*/ - /* out, own: update node in a query - tree */ - sym_node_t* table_sym, /* in: table name node */ - que_node_t* values_list, /* in: value expression list or NULL */ - sel_node_t* select); /* in: select condition or NULL */ + sym_node_t* table_sym, /*!< in: table name node */ + que_node_t* values_list, /*!< in: value expression list or NULL */ + sel_node_t* select); /*!< in: select condition or NULL */ /************************************************************************* -Parses a procedure parameter declaration. */ +Parses a procedure parameter declaration. +@return own: symbol table node of type SYM_VAR */ UNIV_INTERN sym_node_t* pars_parameter_declaration( /*=======================*/ - /* out, own: symbol table node of type - SYM_VAR */ - sym_node_t* node, /* in: symbol table node allocated for the + sym_node_t* node, /*!< in: symbol table node allocated for the id of the parameter */ ulint param_type, - /* in: PARS_INPUT or PARS_OUTPUT */ - pars_res_word_t* type); /* in: pointer to a type token */ + /*!< in: PARS_INPUT or PARS_OUTPUT */ + pars_res_word_t* type); /*!< in: pointer to a type token */ /************************************************************************* -Parses an elsif element. */ +Parses an elsif element. +@return elsif node */ UNIV_INTERN elsif_node_t* pars_elsif_element( /*===============*/ - /* out: elsif node */ - que_node_t* cond, /* in: if-condition */ - que_node_t* stat_list); /* in: statement list */ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list); /*!< in: statement list */ /************************************************************************* -Parses an if-statement. */ +Parses an if-statement. +@return if-statement node */ UNIV_INTERN if_node_t* pars_if_statement( /*==============*/ - /* out: if-statement node */ - que_node_t* cond, /* in: if-condition */ - que_node_t* stat_list, /* in: statement list */ - que_node_t* else_part); /* in: else-part statement list */ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list, /*!< in: statement list */ + que_node_t* else_part); /*!< in: else-part statement list */ /************************************************************************* -Parses a for-loop-statement. */ +Parses a for-loop-statement. +@return for-statement node */ UNIV_INTERN for_node_t* pars_for_statement( /*===============*/ - /* out: for-statement node */ - sym_node_t* loop_var, /* in: loop variable */ - que_node_t* loop_start_limit,/* in: loop start expression */ - que_node_t* loop_end_limit, /* in: loop end expression */ - que_node_t* stat_list); /* in: statement list */ + sym_node_t* loop_var, /*!< in: loop variable */ + que_node_t* loop_start_limit,/*!< in: loop start expression */ + que_node_t* loop_end_limit, /*!< in: loop end expression */ + que_node_t* stat_list); /*!< in: statement list */ /************************************************************************* -Parses a while-statement. */ +Parses a while-statement. +@return while-statement node */ UNIV_INTERN while_node_t* pars_while_statement( /*=================*/ - /* out: while-statement node */ - que_node_t* cond, /* in: while-condition */ - que_node_t* stat_list); /* in: statement list */ + que_node_t* cond, /*!< in: while-condition */ + que_node_t* stat_list); /*!< in: statement list */ /************************************************************************* -Parses an exit statement. */ +Parses an exit statement. +@return exit statement node */ UNIV_INTERN exit_node_t* pars_exit_statement(void); /*=====================*/ - /* out: exit statement node */ /************************************************************************* -Parses a return-statement. */ +Parses a return-statement. +@return return-statement node */ UNIV_INTERN return_node_t* pars_return_statement(void); /*=======================*/ - /* out: return-statement node */ /************************************************************************* -Parses a procedure call. */ +Parses a procedure call. +@return function node */ UNIV_INTERN func_node_t* pars_procedure_call( /*================*/ - /* out: function node */ - que_node_t* res_word,/* in: procedure name reserved word */ - que_node_t* args); /* in: argument list */ + que_node_t* res_word,/*!< in: procedure name reserved word */ + que_node_t* args); /*!< in: argument list */ /************************************************************************* -Parses an assignment statement. */ +Parses an assignment statement. +@return assignment statement node */ UNIV_INTERN assign_node_t* pars_assignment_statement( /*======================*/ - /* out: assignment statement node */ - sym_node_t* var, /* in: variable to assign */ - que_node_t* val); /* in: value to assign */ + sym_node_t* var, /*!< in: variable to assign */ + que_node_t* val); /*!< in: value to assign */ /************************************************************************* Parses a fetch statement. into_list or user_func (but not both) must be -non-NULL. */ +non-NULL. +@return fetch statement node */ UNIV_INTERN fetch_node_t* pars_fetch_statement( /*=================*/ - /* out: fetch statement node */ - sym_node_t* cursor, /* in: cursor node */ - sym_node_t* into_list, /* in: variables to set, or NULL */ - sym_node_t* user_func); /* in: user function name, or NULL */ + sym_node_t* cursor, /*!< in: cursor node */ + sym_node_t* into_list, /*!< in: variables to set, or NULL */ + sym_node_t* user_func); /*!< in: user function name, or NULL */ /************************************************************************* -Parses an open or close cursor statement. */ +Parses an open or close cursor statement. +@return fetch statement node */ UNIV_INTERN open_node_t* pars_open_statement( /*================*/ - /* out: fetch statement node */ - ulint type, /* in: ROW_SEL_OPEN_CURSOR + ulint type, /*!< in: ROW_SEL_OPEN_CURSOR or ROW_SEL_CLOSE_CURSOR */ - sym_node_t* cursor); /* in: cursor node */ + sym_node_t* cursor); /*!< in: cursor node */ /************************************************************************* -Parses a row_printf-statement. */ +Parses a row_printf-statement. +@return row_printf-statement node */ UNIV_INTERN row_printf_node_t* pars_row_printf_statement( /*======================*/ - /* out: row_printf-statement node */ - sel_node_t* sel_node); /* in: select node */ + sel_node_t* sel_node); /*!< in: select node */ /************************************************************************* -Parses a commit statement. */ +Parses a commit statement. +@return own: commit node struct */ UNIV_INTERN commit_node_t* pars_commit_statement(void); /*=======================*/ - /* out, own: commit node struct */ /************************************************************************* -Parses a rollback statement. */ +Parses a rollback statement. +@return own: rollback node struct */ UNIV_INTERN roll_node_t* pars_rollback_statement(void); /*=========================*/ - /* out, own: rollback node struct */ /************************************************************************* -Parses a column definition at a table creation. */ +Parses a column definition at a table creation. +@return column sym table node */ UNIV_INTERN sym_node_t* pars_column_def( /*============*/ - /* out: column sym table - node */ - sym_node_t* sym_node, /* in: column node in the + sym_node_t* sym_node, /*!< in: column node in the symbol table */ - pars_res_word_t* type, /* in: data type */ - sym_node_t* len, /* in: length of column, or + pars_res_word_t* type, /*!< in: data type */ + sym_node_t* len, /*!< in: length of column, or NULL */ - void* is_unsigned, /* in: if not NULL, column + void* is_unsigned, /*!< in: if not NULL, column is of type UNSIGNED. */ - void* is_not_null); /* in: if not NULL, column + void* is_not_null); /*!< in: if not NULL, column is of type NOT NULL. */ /************************************************************************* -Parses a table creation operation. */ +Parses a table creation operation. +@return table create subgraph */ UNIV_INTERN tab_node_t* pars_create_table( /*==============*/ - /* out: table create subgraph */ - sym_node_t* table_sym, /* in: table name node in the symbol + sym_node_t* table_sym, /*!< in: table name node in the symbol table */ - sym_node_t* column_defs, /* in: list of column names */ - void* not_fit_in_memory);/* in: a non-NULL pointer means that + sym_node_t* column_defs, /*!< in: list of column names */ + void* not_fit_in_memory);/*!< in: a non-NULL pointer means that this is a table which in simulations should be simulated as not fitting in memory; thread is put to sleep @@ -414,71 +406,71 @@ pars_create_table( it has to reload the table definition from disk */ /************************************************************************* -Parses an index creation operation. */ +Parses an index creation operation. +@return index create subgraph */ UNIV_INTERN ind_node_t* pars_create_index( /*==============*/ - /* out: index create subgraph */ - pars_res_word_t* unique_def, /* in: not NULL if a unique index */ - pars_res_word_t* clustered_def, /* in: not NULL if a clustered index */ - sym_node_t* index_sym, /* in: index name node in the symbol + pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ + pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ + sym_node_t* index_sym, /*!< in: index name node in the symbol table */ - sym_node_t* table_sym, /* in: table name node in the symbol + sym_node_t* table_sym, /*!< in: table name node in the symbol table */ - sym_node_t* column_list); /* in: list of column names */ + sym_node_t* column_list); /*!< in: list of column names */ /************************************************************************* -Parses a procedure definition. */ +Parses a procedure definition. +@return query fork node */ UNIV_INTERN que_fork_t* pars_procedure_definition( /*======================*/ - /* out: query fork node */ - sym_node_t* sym_node, /* in: procedure id node in the symbol + sym_node_t* sym_node, /*!< in: procedure id node in the symbol table */ - sym_node_t* param_list, /* in: parameter declaration list */ - que_node_t* stat_list); /* in: statement list */ + sym_node_t* param_list, /*!< in: parameter declaration list */ + que_node_t* stat_list); /*!< in: statement list */ /***************************************************************** Parses a stored procedure call, when this is not within another stored procedure, that is, the client issues a procedure call directly. In MySQL/InnoDB, stored InnoDB procedures are invoked via the -parsed procedure tree, not via InnoDB SQL, so this function is not used. */ +parsed procedure tree, not via InnoDB SQL, so this function is not used. +@return query graph */ UNIV_INTERN que_fork_t* pars_stored_procedure_call( /*=======================*/ - /* out: query graph */ - sym_node_t* sym_node); /* in: stored procedure name */ + sym_node_t* sym_node); /*!< in: stored procedure name */ /********************************************************************** Completes a query graph by adding query thread and fork nodes above it and prepares the graph for running. The fork created is of -type QUE_FORK_MYSQL_INTERFACE. */ +type QUE_FORK_MYSQL_INTERFACE. +@return query thread node to run */ UNIV_INTERN que_thr_t* pars_complete_graph_for_exec( /*=========================*/ - /* out: query thread node to run */ - que_node_t* node, /* in: root node for an incomplete + que_node_t* node, /*!< in: root node for an incomplete query graph */ - trx_t* trx, /* in: transaction handle */ - mem_heap_t* heap); /* in: memory heap from which allocated */ + trx_t* trx, /*!< in: transaction handle */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ /******************************************************************** -Create parser info struct.*/ +Create parser info struct. +@return own: info struct */ UNIV_INTERN pars_info_t* pars_info_create(void); /*==================*/ - /* out, own: info struct */ /******************************************************************** -Free info struct and everything it contains.*/ +Free info struct and everything it contains. */ UNIV_INTERN void pars_info_free( /*===========*/ - pars_info_t* info); /* in: info struct */ + pars_info_t* info); /*!< in: info struct */ /******************************************************************** Add bound literal. */ @@ -486,12 +478,12 @@ UNIV_INTERN void pars_info_add_literal( /*==================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const void* address, /* in: address */ - ulint length, /* in: length of data */ - ulint type, /* in: type, e.g. DATA_FIXBINARY */ - ulint prtype); /* in: precise type, e.g. + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const void* address, /*!< in: address */ + ulint length, /*!< in: length of data */ + ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ + ulint prtype); /*!< in: precise type, e.g. DATA_UNSIGNED */ /******************************************************************** @@ -501,9 +493,9 @@ UNIV_INTERN void pars_info_add_str_literal( /*======================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const char* str); /* in: string */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* str); /*!< in: string */ /******************************************************************** Equivalent to: @@ -518,9 +510,9 @@ UNIV_INTERN void pars_info_add_int4_literal( /*=======================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - lint val); /* in: value */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + lint val); /*!< in: value */ /******************************************************************** Equivalent to: @@ -535,19 +527,19 @@ UNIV_INTERN void pars_info_add_dulint_literal( /*=========================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - dulint val); /* in: value */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + dulint val); /*!< in: value */ /******************************************************************** Add user function. */ UNIV_INTERN void pars_info_add_function( /*===================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: function name */ - pars_user_func_cb_t func, /* in: function address */ - void* arg); /* in: user-supplied argument */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: function name */ + pars_user_func_cb_t func, /*!< in: function address */ + void* arg); /*!< in: user-supplied argument */ /******************************************************************** Add bound id. */ @@ -555,42 +547,39 @@ UNIV_INTERN void pars_info_add_id( /*=============*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const char* id); /* in: id */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* id); /*!< in: id */ /******************************************************************** -Get user function with the given name.*/ +Get user function with the given name. +@return user func, or NULL if not found */ UNIV_INTERN pars_user_func_t* pars_info_get_user_func( /*====================*/ - /* out: user func, or NULL if not - found */ - pars_info_t* info, /* in: info struct */ - const char* name); /* in: function name to find*/ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: function name to find*/ /******************************************************************** -Get bound literal with the given name.*/ +Get bound literal with the given name. +@return bound literal, or NULL if not found */ UNIV_INTERN pars_bound_lit_t* pars_info_get_bound_lit( /*====================*/ - /* out: bound literal, or NULL if - not found */ - pars_info_t* info, /* in: info struct */ - const char* name); /* in: bound literal name to find */ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: bound literal name to find */ /******************************************************************** -Get bound id with the given name.*/ +Get bound id with the given name. +@return bound id, or NULL if not found */ UNIV_INTERN pars_bound_id_t* pars_info_get_bound_id( /*===================*/ - /* out: bound id, or NULL if not - found */ - pars_info_t* info, /* in: info struct */ - const char* name); /* in: bound id name to find */ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: bound id name to find */ /* Extra information supplied for pars_sql(). */ diff --git a/include/pars0sym.h b/include/pars0sym.h index 69227a2917e..f09ce951cbd 100644 --- a/include/pars0sym.h +++ b/include/pars0sym.h @@ -33,13 +33,13 @@ Created 12/15/1997 Heikki Tuuri #include "row0types.h" /********************************************************************** -Creates a symbol table for a single stored procedure or query. */ +Creates a symbol table for a single stored procedure or query. +@return own: symbol table */ UNIV_INTERN sym_tab_t* sym_tab_create( /*===========*/ - /* out, own: symbol table */ - mem_heap_t* heap); /* in: memory heap where to create */ + mem_heap_t* heap); /*!< in: memory heap where to create */ /********************************************************************** Frees the memory allocated dynamically AFTER parsing phase for variables etc. in the symbol table. Does not free the mem heap where the table was @@ -48,65 +48,65 @@ UNIV_INTERN void sym_tab_free_private( /*=================*/ - sym_tab_t* sym_tab); /* in, own: symbol table */ + sym_tab_t* sym_tab); /*!< in, own: symbol table */ /********************************************************************** -Adds an integer literal to a symbol table. */ +Adds an integer literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_int_lit( /*================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - ulint val); /* in: integer value */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + ulint val); /*!< in: integer value */ /********************************************************************** -Adds an string literal to a symbol table. */ +Adds an string literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_str_lit( /*================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - byte* str, /* in: string with no quotes around + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* str, /*!< in: string with no quotes around it */ - ulint len); /* in: string length */ + ulint len); /*!< in: string length */ /********************************************************************** -Add a bound literal to a symbol table. */ +Add a bound literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_bound_lit( /*==================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - const char* name, /* in: name of bound literal */ - ulint* lit_type); /* out: type of literal (PARS_*_LIT) */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name, /*!< in: name of bound literal */ + ulint* lit_type); /*!< out: type of literal (PARS_*_LIT) */ /********************************************************************** -Adds an SQL null literal to a symbol table. */ +Adds an SQL null literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_null_lit( /*=================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab); /* in: symbol table */ + sym_tab_t* sym_tab); /*!< in: symbol table */ /********************************************************************** -Adds an identifier to a symbol table. */ +Adds an identifier to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_id( /*===========*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - byte* name, /* in: identifier name */ - ulint len); /* in: identifier length */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* name, /*!< in: identifier name */ + ulint len); /*!< in: identifier length */ /********************************************************************** -Add a bound identifier to a symbol table. */ +Add a bound identifier to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_bound_id( /*===========*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - const char* name); /* in: name of bound id */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name); /*!< in: name of bound id */ #define SYM_CLUST_FIELD_NO 0 #define SYM_SEC_FIELD_NO 1 diff --git a/include/que0que.h b/include/que0que.h index ee534d1b73a..d7d70b0b022 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -45,62 +45,62 @@ UNIV_INTERN void que_graph_publish( /*==============*/ - que_t* graph, /* in: graph */ - sess_t* sess); /* in: session */ + que_t* graph, /*!< in: graph */ + sess_t* sess); /*!< in: session */ /*************************************************************************** -Creates a query graph fork node. */ +Creates a query graph fork node. +@return own: fork node */ UNIV_INTERN que_fork_t* que_fork_create( /*============*/ - /* out, own: fork node */ - que_t* graph, /* in: graph, if NULL then this + que_t* graph, /*!< in: graph, if NULL then this fork node is assumed to be the graph root */ - que_node_t* parent, /* in: parent node */ - ulint fork_type, /* in: fork type */ - mem_heap_t* heap); /* in: memory heap where created */ + que_node_t* parent, /*!< in: parent node */ + ulint fork_type, /*!< in: fork type */ + mem_heap_t* heap); /*!< in: memory heap where created */ /*************************************************************************** Gets the first thr in a fork. */ UNIV_INLINE que_thr_t* que_fork_get_first_thr( /*===================*/ - que_fork_t* fork); /* in: query fork */ + que_fork_t* fork); /*!< in: query fork */ /*************************************************************************** Gets the child node of the first thr in a fork. */ UNIV_INLINE que_node_t* que_fork_get_child( /*===============*/ - que_fork_t* fork); /* in: query fork */ + que_fork_t* fork); /*!< in: query fork */ /*************************************************************************** Sets the parent of a graph node. */ UNIV_INLINE void que_node_set_parent( /*================*/ - que_node_t* node, /* in: graph node */ - que_node_t* parent);/* in: parent */ + que_node_t* node, /*!< in: graph node */ + que_node_t* parent);/*!< in: parent */ /*************************************************************************** -Creates a query graph thread node. */ +Creates a query graph thread node. +@return own: query thread node */ UNIV_INTERN que_thr_t* que_thr_create( /*===========*/ - /* out, own: query thread node */ - que_fork_t* parent, /* in: parent node, i.e., a fork node */ - mem_heap_t* heap); /* in: memory heap where created */ + que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ + mem_heap_t* heap); /*!< in: memory heap where created */ /************************************************************************** Checks if the query graph is in a state where it should be freed, and frees it in that case. If the session is in a state where it should be -closed, also this is done. */ +closed, also this is done. +@return TRUE if freed */ UNIV_INTERN ibool que_graph_try_free( /*===============*/ - /* out: TRUE if freed */ - que_t* graph); /* in: query graph */ + que_t* graph); /*!< in: query graph */ /************************************************************************** Frees a query graph, but not the heap where it was created. Does not free explicit cursor declarations, they are freed in que_graph_free. */ @@ -108,14 +108,14 @@ UNIV_INTERN void que_graph_free_recursive( /*=====================*/ - que_node_t* node); /* in: query graph node */ + que_node_t* node); /*!< in: query graph node */ /************************************************************************** Frees a query graph. */ UNIV_INTERN void que_graph_free( /*===========*/ - que_t* graph); /* in: query graph; we assume that the memory + que_t* graph); /*!< in: query graph; we assume that the memory heap where this graph was created is private to this graph: if not, then use que_graph_free_recursive and free the heap @@ -123,13 +123,13 @@ que_graph_free( /************************************************************************** Stops a query thread if graph or trx is in a state requiring it. The conditions are tested in the order (1) graph, (2) trx. The kernel mutex has -to be reserved. */ +to be reserved. +@return TRUE if stopped */ UNIV_INTERN ibool que_thr_stop( /*=========*/ - /* out: TRUE if stopped */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** Moves a thread from another state to the QUE_THR_RUNNING state. Increments the n_active_thrs counters of the query graph and transaction. */ @@ -137,8 +137,8 @@ UNIV_INTERN void que_thr_move_to_run_state_for_mysql( /*================================*/ - que_thr_t* thr, /* in: an query thread */ - trx_t* trx); /* in: transaction */ + que_thr_t* thr, /*!< in: an query thread */ + trx_t* trx); /*!< in: transaction */ /************************************************************************** A patch for MySQL used to 'stop' a dummy query thread used in MySQL select, when there is no error or lock wait. */ @@ -146,8 +146,8 @@ UNIV_INTERN void que_thr_stop_for_mysql_no_error( /*============================*/ - que_thr_t* thr, /* in: query thread */ - trx_t* trx); /* in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_t* trx); /*!< in: transaction */ /************************************************************************** A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The query thread is stopped and made inactive, except in the case where @@ -157,14 +157,14 @@ UNIV_INTERN void que_thr_stop_for_mysql( /*===================*/ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** Run a query thread. Handles lock waits. */ UNIV_INTERN void que_run_threads( /*============*/ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** After signal handling is finished, returns control to a query graph error handling routine. (Currently, just returns the control to the root of the @@ -173,8 +173,8 @@ UNIV_INTERN void que_fork_error_handle( /*==================*/ - trx_t* trx, /* in: trx */ - que_t* fork); /* in: query graph which was run before signal + trx_t* trx, /*!< in: trx */ + que_t* fork); /*!< in: query graph which was run before signal handling started, NULL not allowed */ /************************************************************************** Moves a suspended query thread to the QUE_THR_RUNNING state and releases @@ -185,11 +185,11 @@ UNIV_INTERN void que_thr_end_wait( /*=============*/ - que_thr_t* thr, /* in: query thread in the + que_thr_t* thr, /*!< in: query thread in the QUE_THR_LOCK_WAIT, or QUE_THR_PROCEDURE_WAIT, or QUE_THR_SIG_REPLY_WAIT state */ - que_thr_t** next_thr); /* in/out: next query thread to run; + que_thr_t** next_thr); /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -200,7 +200,7 @@ UNIV_INTERN void que_thr_end_wait_no_next_thr( /*=========================*/ - que_thr_t* thr); /* in: query thread in the + que_thr_t* thr); /*!< in: query thread in the QUE_THR_LOCK_WAIT, or QUE_THR_PROCEDURE_WAIT, or QUE_THR_SIG_REPLY_WAIT state */ @@ -208,143 +208,135 @@ que_thr_end_wait_no_next_thr( Starts execution of a command in a query fork. Picks a query thread which is not in the QUE_THR_RUNNING state and moves it to that state. If none can be chosen, a situation which may arise in parallelized fetches, NULL -is returned. */ +is returned. +@return a query thread of the graph moved to QUE_THR_RUNNING state, or NULL; the query thread should be executed by que_run_threads by the caller */ UNIV_INTERN que_thr_t* que_fork_start_command( /*===================*/ - /* out: a query thread of the graph moved to - QUE_THR_RUNNING state, or NULL; the query - thread should be executed by que_run_threads - by the caller */ - que_fork_t* fork); /* in: a query fork */ + que_fork_t* fork); /*!< in: a query fork */ /*************************************************************************** Gets the trx of a query thread. */ UNIV_INLINE trx_t* thr_get_trx( /*========*/ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*************************************************************************** Gets the type of a graph node. */ UNIV_INLINE ulint que_node_get_type( /*==============*/ - que_node_t* node); /* in: graph node */ + que_node_t* node); /*!< in: graph node */ /*************************************************************************** Gets pointer to the value data type field of a graph node. */ UNIV_INLINE dtype_t* que_node_get_data_type( /*===================*/ - que_node_t* node); /* in: graph node */ + que_node_t* node); /*!< in: graph node */ /*************************************************************************** Gets pointer to the value dfield of a graph node. */ UNIV_INLINE dfield_t* que_node_get_val( /*=============*/ - que_node_t* node); /* in: graph node */ + que_node_t* node); /*!< in: graph node */ /*************************************************************************** -Gets the value buffer size of a graph node. */ +Gets the value buffer size of a graph node. +@return val buffer size, not defined if val.data == NULL in node */ UNIV_INLINE ulint que_node_get_val_buf_size( /*======================*/ - /* out: val buffer size, not defined if - val.data == NULL in node */ - que_node_t* node); /* in: graph node */ + que_node_t* node); /*!< in: graph node */ /*************************************************************************** Sets the value buffer size of a graph node. */ UNIV_INLINE void que_node_set_val_buf_size( /*======================*/ - que_node_t* node, /* in: graph node */ - ulint size); /* in: size */ + que_node_t* node, /*!< in: graph node */ + ulint size); /*!< in: size */ /************************************************************************* Gets the next list node in a list of query graph nodes. */ UNIV_INLINE que_node_t* que_node_get_next( /*==============*/ - que_node_t* node); /* in: node in a list */ + que_node_t* node); /*!< in: node in a list */ /************************************************************************* -Gets the parent node of a query graph node. */ +Gets the parent node of a query graph node. +@return parent node or NULL */ UNIV_INLINE que_node_t* que_node_get_parent( /*================*/ - /* out: parent node or NULL */ - que_node_t* node); /* in: node */ + que_node_t* node); /*!< in: node */ /******************************************************************** Get the first containing loop node (e.g. while_node_t or for_node_t) for the -given node, or NULL if the node is not within a loop. */ +given node, or NULL if the node is not within a loop. +@return containing loop node, or NULL. */ UNIV_INTERN que_node_t* que_node_get_containing_loop_node( /*==============================*/ - /* out: containing loop node, or NULL. */ - que_node_t* node); /* in: node */ + que_node_t* node); /*!< in: node */ /************************************************************************* -Catenates a query graph node to a list of them, possible empty list. */ +Catenates a query graph node to a list of them, possible empty list. +@return one-way list of nodes */ UNIV_INLINE que_node_t* que_node_list_add_last( /*===================*/ - /* out: one-way list of nodes */ - que_node_t* node_list, /* in: node list, or NULL */ - que_node_t* node); /* in: node */ + que_node_t* node_list, /*!< in: node list, or NULL */ + que_node_t* node); /*!< in: node */ /************************************************************************* -Gets a query graph node list length. */ +Gets a query graph node list length. +@return length, for NULL list 0 */ UNIV_INLINE ulint que_node_list_get_len( /*==================*/ - /* out: length, for NULL list 0 */ - que_node_t* node_list); /* in: node list, or NULL */ + que_node_t* node_list); /*!< in: node list, or NULL */ /************************************************************************** Checks if graph, trx, or session is in a state where the query thread should -be stopped. */ +be stopped. +@return TRUE if should be stopped; NOTE that if the peek is made without reserving the kernel mutex, then another peek with the mutex reserved is necessary before deciding the actual stopping */ UNIV_INLINE ibool que_thr_peek_stop( /*==============*/ - /* out: TRUE if should be stopped; NOTE that - if the peek is made without reserving the - kernel mutex, then another peek with the - mutex reserved is necessary before deciding - the actual stopping */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*************************************************************************** -Returns TRUE if the query graph is for a SELECT statement. */ +Returns TRUE if the query graph is for a SELECT statement. +@return TRUE if a select */ UNIV_INLINE ibool que_graph_is_select( /*================*/ - /* out: TRUE if a select */ - que_t* graph); /* in: graph */ + que_t* graph); /*!< in: graph */ /************************************************************************** Prints info of an SQL query graph node. */ UNIV_INTERN void que_node_print_info( /*================*/ - que_node_t* node); /* in: query graph node */ + que_node_t* node); /*!< in: query graph node */ /************************************************************************* -Evaluate the given SQL */ +Evaluate the given SQL +@return error code or DB_SUCCESS */ UNIV_INTERN ulint que_eval_sql( /*=========*/ - /* out: error code or DB_SUCCESS */ - pars_info_t* info, /* in: info struct, or NULL */ - const char* sql, /* in: SQL string */ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string */ ibool reserve_dict_mutex, - /* in: if TRUE, acquire/release + /*!< in: if TRUE, acquire/release dict_sys->mutex around call to pars_sql. */ - trx_t* trx); /* in: trx */ + trx_t* trx); /*!< in: trx */ /* Query graph query thread node: the fields are protected by the kernel mutex with the exceptions named below */ diff --git a/include/que0que.ic b/include/que0que.ic index e9a6b00b9ab..c054c069409 100644 --- a/include/que0que.ic +++ b/include/que0que.ic @@ -30,7 +30,7 @@ UNIV_INLINE trx_t* thr_get_trx( /*========*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ut_ad(thr); @@ -43,7 +43,7 @@ UNIV_INLINE que_thr_t* que_fork_get_first_thr( /*===================*/ - que_fork_t* fork) /* in: query fork */ + que_fork_t* fork) /*!< in: query fork */ { return(UT_LIST_GET_FIRST(fork->thrs)); } @@ -54,7 +54,7 @@ UNIV_INLINE que_node_t* que_fork_get_child( /*===============*/ - que_fork_t* fork) /* in: query fork */ + que_fork_t* fork) /*!< in: query fork */ { que_thr_t* thr; @@ -69,7 +69,7 @@ UNIV_INLINE ulint que_node_get_type( /*==============*/ - que_node_t* node) /* in: graph node */ + que_node_t* node) /*!< in: graph node */ { ut_ad(node); @@ -82,7 +82,7 @@ UNIV_INLINE dfield_t* que_node_get_val( /*=============*/ - que_node_t* node) /* in: graph node */ + que_node_t* node) /*!< in: graph node */ { ut_ad(node); @@ -90,14 +90,13 @@ que_node_get_val( } /*************************************************************************** -Gets the value buffer size of a graph node. */ +Gets the value buffer size of a graph node. +@return val buffer size, not defined if val.data == NULL in node */ UNIV_INLINE ulint que_node_get_val_buf_size( /*======================*/ - /* out: val buffer size, not defined if - val.data == NULL in node */ - que_node_t* node) /* in: graph node */ + que_node_t* node) /*!< in: graph node */ { ut_ad(node); @@ -110,8 +109,8 @@ UNIV_INLINE void que_node_set_val_buf_size( /*======================*/ - que_node_t* node, /* in: graph node */ - ulint size) /* in: size */ + que_node_t* node, /*!< in: graph node */ + ulint size) /*!< in: size */ { ut_ad(node); @@ -124,8 +123,8 @@ UNIV_INLINE void que_node_set_parent( /*================*/ - que_node_t* node, /* in: graph node */ - que_node_t* parent) /* in: parent */ + que_node_t* node, /*!< in: graph node */ + que_node_t* parent) /*!< in: parent */ { ut_ad(node); @@ -138,7 +137,7 @@ UNIV_INLINE dtype_t* que_node_get_data_type( /*===================*/ - que_node_t* node) /* in: graph node */ + que_node_t* node) /*!< in: graph node */ { ut_ad(node); @@ -146,14 +145,14 @@ que_node_get_data_type( } /************************************************************************* -Catenates a query graph node to a list of them, possible empty list. */ +Catenates a query graph node to a list of them, possible empty list. +@return one-way list of nodes */ UNIV_INLINE que_node_t* que_node_list_add_last( /*===================*/ - /* out: one-way list of nodes */ - que_node_t* node_list, /* in: node list, or NULL */ - que_node_t* node) /* in: node */ + que_node_t* node_list, /*!< in: node list, or NULL */ + que_node_t* node) /*!< in: node */ { que_common_t* cnode; que_common_t* cnode2; @@ -179,25 +178,25 @@ que_node_list_add_last( } /************************************************************************* -Gets the next list node in a list of query graph nodes. */ +Gets the next list node in a list of query graph nodes. +@return next node in a list of nodes */ UNIV_INLINE que_node_t* que_node_get_next( /*==============*/ - /* out: next node in a list of nodes */ - que_node_t* node) /* in: node in a list */ + que_node_t* node) /*!< in: node in a list */ { return(((que_common_t*)node)->brother); } /************************************************************************* -Gets a query graph node list length. */ +Gets a query graph node list length. +@return length, for NULL list 0 */ UNIV_INLINE ulint que_node_list_get_len( /*==================*/ - /* out: length, for NULL list 0 */ - que_node_t* node_list) /* in: node list, or NULL */ + que_node_t* node_list) /*!< in: node list, or NULL */ { const que_common_t* cnode; ulint len; @@ -214,30 +213,26 @@ que_node_list_get_len( } /************************************************************************* -Gets the parent node of a query graph node. */ +Gets the parent node of a query graph node. +@return parent node or NULL */ UNIV_INLINE que_node_t* que_node_get_parent( /*================*/ - /* out: parent node or NULL */ - que_node_t* node) /* in: node */ + que_node_t* node) /*!< in: node */ { return(((que_common_t*)node)->parent); } /************************************************************************** Checks if graph, trx, or session is in a state where the query thread should -be stopped. */ +be stopped. +@return TRUE if should be stopped; NOTE that if the peek is made without reserving the kernel mutex, then another peek with the mutex reserved is necessary before deciding the actual stopping */ UNIV_INLINE ibool que_thr_peek_stop( /*==============*/ - /* out: TRUE if should be stopped; NOTE that - if the peek is made without reserving the - kernel mutex, then another peek with the - mutex reserved is necessary before deciding - the actual stopping */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; que_t* graph; @@ -257,13 +252,13 @@ que_thr_peek_stop( } /*************************************************************************** -Returns TRUE if the query graph is for a SELECT statement. */ +Returns TRUE if the query graph is for a SELECT statement. +@return TRUE if a select */ UNIV_INLINE ibool que_graph_is_select( /*================*/ - /* out: TRUE if a select */ - que_t* graph) /* in: graph */ + que_t* graph) /*!< in: graph */ { if (graph->fork_type == QUE_FORK_SELECT_SCROLL || graph->fork_type == QUE_FORK_SELECT_NON_SCROLL) { diff --git a/include/read0read.h b/include/read0read.h index 778d85382c4..78ca3d032fd 100644 --- a/include/read0read.h +++ b/include/read0read.h @@ -35,29 +35,29 @@ Created 2/16/1997 Heikki Tuuri /************************************************************************* Opens a read view where exactly the transactions serialized before this -point in time are seen in the view. */ +point in time are seen in the view. +@return own: read view struct */ UNIV_INTERN read_view_t* read_view_open_now( /*===============*/ - /* out, own: read view struct */ - trx_id_t cr_trx_id, /* in: trx_id of creating + trx_id_t cr_trx_id, /*!< in: trx_id of creating transaction, or ut_dulint_zero used in purge */ - mem_heap_t* heap); /* in: memory heap from which + mem_heap_t* heap); /*!< in: memory heap from which allocated */ /************************************************************************* Makes a copy of the oldest existing read view, or opens a new. The view -must be closed with ..._close. */ +must be closed with ..._close. +@return own: read view struct */ UNIV_INTERN read_view_t* read_view_oldest_copy_or_open_new( /*==============================*/ - /* out, own: read view struct */ - trx_id_t cr_trx_id, /* in: trx_id of creating + trx_id_t cr_trx_id, /*!< in: trx_id of creating transaction, or ut_dulint_zero used in purge */ - mem_heap_t* heap); /* in: memory heap from which + mem_heap_t* heap); /*!< in: memory heap from which allocated */ /************************************************************************* Closes a read view. */ @@ -65,7 +65,7 @@ UNIV_INTERN void read_view_close( /*============*/ - read_view_t* view); /* in: read view */ + read_view_t* view); /*!< in: read view */ /************************************************************************* Closes a consistent read view for MySQL. This function is called at an SQL statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ @@ -73,23 +73,23 @@ UNIV_INTERN void read_view_close_for_mysql( /*======================*/ - trx_t* trx); /* in: trx which has a read view */ + trx_t* trx); /*!< in: trx which has a read view */ /************************************************************************* -Checks if a read view sees the specified transaction. */ +Checks if a read view sees the specified transaction. +@return TRUE if sees */ UNIV_INLINE ibool read_view_sees_trx_id( /*==================*/ - /* out: TRUE if sees */ - const read_view_t* view, /* in: read view */ - trx_id_t trx_id);/* in: trx id */ + const read_view_t* view, /*!< in: read view */ + trx_id_t trx_id);/*!< in: trx id */ /************************************************************************* Prints a read view to stderr. */ UNIV_INTERN void read_view_print( /*============*/ - const read_view_t* view); /* in: read view */ + const read_view_t* view); /*!< in: read view */ /************************************************************************* Create a consistent cursor view for mysql to be used in cursors. In this consistent read view modifications done by the creating transaction or future @@ -98,7 +98,7 @@ UNIV_INTERN cursor_view_t* read_cursor_view_create_for_mysql( /*==============================*/ - trx_t* cr_trx);/* in: trx where cursor view is created */ + trx_t* cr_trx);/*!< in: trx where cursor view is created */ /************************************************************************* Close a given consistent cursor view for mysql and restore global read view back to a transaction read view. */ @@ -106,8 +106,8 @@ UNIV_INTERN void read_cursor_view_close_for_mysql( /*=============================*/ - trx_t* trx, /* in: trx */ - cursor_view_t* curview); /* in: cursor view to be closed */ + trx_t* trx, /*!< in: trx */ + cursor_view_t* curview); /*!< in: cursor view to be closed */ /************************************************************************* This function sets a given consistent cursor view to a transaction read view if given consistent cursor view is not NULL. Otherwise, function @@ -116,8 +116,8 @@ UNIV_INTERN void read_cursor_set_for_mysql( /*======================*/ - trx_t* trx, /* in: transaction where cursor is set */ - cursor_view_t* curview);/* in: consistent cursor view to be set */ + trx_t* trx, /*!< in: transaction where cursor is set */ + cursor_view_t* curview);/*!< in: consistent cursor view to be set */ /* Read view lists the trx ids of those transactions for which a consistent read should not see the modifications to the database. */ diff --git a/include/read0read.ic b/include/read0read.ic index 4fa3ec840d0..9e62a1fb37a 100644 --- a/include/read0read.ic +++ b/include/read0read.ic @@ -23,14 +23,14 @@ Created 2/16/1997 Heikki Tuuri *******************************************************/ /************************************************************************* -Gets the nth trx id in a read view. */ +Gets the nth trx id in a read view. +@return trx id */ UNIV_INLINE trx_id_t read_view_get_nth_trx_id( /*=====================*/ - /* out: trx id */ - const read_view_t* view, /* in: read view */ - ulint n) /* in: position */ + const read_view_t* view, /*!< in: read view */ + ulint n) /*!< in: position */ { ut_ad(n < view->n_trx_ids); @@ -43,9 +43,9 @@ UNIV_INLINE void read_view_set_nth_trx_id( /*=====================*/ - read_view_t* view, /* in: read view */ - ulint n, /* in: position */ - trx_id_t trx_id) /* in: trx id to set */ + read_view_t* view, /*!< in: read view */ + ulint n, /*!< in: position */ + trx_id_t trx_id) /*!< in: trx id to set */ { ut_ad(n < view->n_trx_ids); @@ -53,14 +53,14 @@ read_view_set_nth_trx_id( } /************************************************************************* -Checks if a read view sees the specified transaction. */ +Checks if a read view sees the specified transaction. +@return TRUE if sees */ UNIV_INLINE ibool read_view_sees_trx_id( /*==================*/ - /* out: TRUE if sees */ - const read_view_t* view, /* in: read view */ - trx_id_t trx_id) /* in: trx id */ + const read_view_t* view, /*!< in: read view */ + trx_id_t trx_id) /*!< in: trx id */ { ulint n_ids; int cmp; diff --git a/include/rem0cmp.h b/include/rem0cmp.h index 239eb3cab11..2ae593aa23f 100644 --- a/include/rem0cmp.h +++ b/include/rem0cmp.h @@ -32,62 +32,58 @@ Created 7/1/1994 Heikki Tuuri #include "rem0rec.h" /***************************************************************** -Returns TRUE if two columns are equal for comparison purposes. */ +Returns TRUE if two columns are equal for comparison purposes. +@return TRUE if the columns are considered equal in comparisons */ UNIV_INTERN ibool cmp_cols_are_equal( /*===============*/ - /* out: TRUE if the columns are - considered equal in comparisons */ - const dict_col_t* col1, /* in: column 1 */ - const dict_col_t* col2, /* in: column 2 */ + const dict_col_t* col1, /*!< in: column 1 */ + const dict_col_t* col2, /*!< in: column 2 */ ibool check_charsets); - /* in: whether to check charsets */ + /*!< in: whether to check charsets */ /***************************************************************** This function is used to compare two data fields for which we know the -data type. */ +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ UNIV_INLINE int cmp_data_data( /*==========*/ - /* out: 1, 0, -1, if data1 is greater, equal, - less than data2, respectively */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - const byte* data1, /* in: data field (== a pointer to a memory + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len1, /* in: data field length or UNIV_SQL_NULL */ - const byte* data2, /* in: data field (== a pointer to a memory + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len2); /* in: data field length or UNIV_SQL_NULL */ + ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ /***************************************************************** This function is used to compare two data fields for which we know the -data type. */ +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ UNIV_INTERN int cmp_data_data_slow( /*===============*/ - /* out: 1, 0, -1, if data1 is greater, equal, - less than data2, respectively */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - const byte* data1, /* in: data field (== a pointer to a memory + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len1, /* in: data field length or UNIV_SQL_NULL */ - const byte* data2, /* in: data field (== a pointer to a memory + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len2); /* in: data field length or UNIV_SQL_NULL */ + ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ /***************************************************************** This function is used to compare two dfields where at least the first -has its data type field set. */ +has its data type field set. +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, respectively */ UNIV_INLINE int cmp_dfield_dfield( /*==============*/ - /* out: 1, 0, -1, if dfield1 is greater, equal, - less than dfield2, respectively */ - const dfield_t* dfield1,/* in: data field; must have type field set */ - const dfield_t* dfield2);/* in: data field */ + const dfield_t* dfield1,/*!< in: data field; must have type field set */ + const dfield_t* dfield2);/*!< in: data field */ /***************************************************************** This function is used to compare a data tuple to a physical record. Only dtuple->n_fields_cmp first fields are taken into account for @@ -95,105 +91,94 @@ the the data tuple! If we denote by n = n_fields_cmp, then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be -made. */ +made. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared, or until the first externally stored field in rec */ UNIV_INTERN int cmp_dtuple_rec_with_match( /*======================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared, or - until the first externally stored field in - rec */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record which differs from + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from dtuple in some of the common fields, or which has an equal number or more fields than dtuple */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields, /* in/out: number of already completely + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when function returns, contains the value for current comparison */ - ulint* matched_bytes); /* in/out: number of already matched + ulint* matched_bytes); /*!< in/out: number of already matched bytes within the first field not completely matched; when function returns, contains the value for current comparison */ /****************************************************************** -Compares a data tuple to a physical record. */ +Compares a data tuple to a physical record. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively; see the comments for cmp_dtuple_rec_with_match */ UNIV_INTERN int cmp_dtuple_rec( /*===========*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively; see the comments - for cmp_dtuple_rec_with_match */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /****************************************************************** Checks if a dtuple is a prefix of a record. The last field in dtuple -is allowed to be a prefix of the corresponding field in the record. */ +is allowed to be a prefix of the corresponding field in the record. +@return TRUE if prefix */ UNIV_INTERN ibool cmp_dtuple_is_prefix_of_rec( /*========================*/ - /* out: TRUE if prefix */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /***************************************************************** Compare two physical records that contain the same number of columns, -none of which are stored externally. */ +none of which are stored externally. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2 */ UNIV_INTERN int cmp_rec_rec_simple( /*===============*/ - /* out: 1, 0 , -1 if rec1 is greater, - equal, less, respectively, than rec2 */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - const dict_index_t* index); /* in: data dictionary index */ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + const dict_index_t* index); /*!< in: data dictionary index */ /***************************************************************** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is -encountered, then 0 is returned. */ +encountered, then 0 is returned. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ UNIV_INTERN int cmp_rec_rec_with_match( /*===================*/ - /* out: 1, 0 , -1 if rec1 is greater, equal, - less, respectively, than rec2; only the common - first fields are compared */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - dict_index_t* index, /* in: data dictionary index */ - ulint* matched_fields, /* in/out: number of already completely + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index, /*!< in: data dictionary index */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when the function returns, contains the value the for current comparison */ - ulint* matched_bytes);/* in/out: number of already matched + ulint* matched_bytes);/*!< in/out: number of already matched bytes within the first field not completely matched; when the function returns, contains the value for the current comparison */ /***************************************************************** This function is used to compare two physical records. Only the common -first fields are compared. */ +first fields are compared. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ UNIV_INLINE int cmp_rec_rec( /*========*/ - /* out: 1, 0 , -1 if rec1 is greater, equal, - less, respectively, than rec2; only the common - first fields are compared */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - dict_index_t* index); /* in: data dictionary index */ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index); /*!< in: data dictionary index */ #ifndef UNIV_NONINL diff --git a/include/rem0cmp.ic b/include/rem0cmp.ic index 6c58d9e5a25..d83ab2045ff 100644 --- a/include/rem0cmp.ic +++ b/include/rem0cmp.ic @@ -24,36 +24,34 @@ Created 7/1/1994 Heikki Tuuri /***************************************************************** This function is used to compare two data fields for which we know the -data type. */ +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ UNIV_INLINE int cmp_data_data( /*==========*/ - /* out: 1, 0, -1, if data1 is greater, equal, - less than data2, respectively */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - const byte* data1, /* in: data field (== a pointer to a memory + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len1, /* in: data field length or UNIV_SQL_NULL */ - const byte* data2, /* in: data field (== a pointer to a memory + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len2) /* in: data field length or UNIV_SQL_NULL */ + ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ { return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2)); } /***************************************************************** This function is used to compare two dfields where at least the first -has its data type field set. */ +has its data type field set. +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, respectively */ UNIV_INLINE int cmp_dfield_dfield( /*==============*/ - /* out: 1, 0, -1, if dfield1 is greater, equal, - less than dfield2, respectively */ - const dfield_t* dfield1,/* in: data field; must have type field set */ - const dfield_t* dfield2)/* in: data field */ + const dfield_t* dfield1,/*!< in: data field; must have type field set */ + const dfield_t* dfield2)/*!< in: data field */ { const dtype_t* type; @@ -70,19 +68,17 @@ cmp_dfield_dfield( /***************************************************************** This function is used to compare two physical records. Only the common -first fields are compared. */ +first fields are compared. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ UNIV_INLINE int cmp_rec_rec( /*========*/ - /* out: 1, 0 , -1 if rec1 is greater, equal, - less, respectively, than rec2; only the common - first fields are compared */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - dict_index_t* index) /* in: data dictionary index */ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index) /*!< in: data dictionary index */ { ulint match_f = 0; ulint match_b = 0; diff --git a/include/rem0rec.h b/include/rem0rec.h index 73f45fb7087..b22e32e55ad 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -80,37 +80,34 @@ offsets[] array, first passed to rec_get_offsets() */ /********************************************************** The following function is used to get the pointer of the next chained record -on the same page. */ +on the same page. +@return pointer to the next chained record, or NULL if none */ UNIV_INLINE const rec_t* rec_get_next_ptr_const( /*===================*/ - /* out: pointer to the next chained record, or - NULL if none */ - const rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to get the pointer of the next chained record -on the same page. */ +on the same page. +@return pointer to the next chained record, or NULL if none */ UNIV_INLINE rec_t* rec_get_next_ptr( /*=============*/ - /* out: pointer to the next chained record, or - NULL if none */ - rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to get the offset of the -next chained record on the same page. */ +next chained record on the same page. +@return the page offset of the next chained record, or 0 if none */ UNIV_INLINE ulint rec_get_next_offs( /*==============*/ - /* out: the page offset of the next - chained record, or 0 if none */ - const rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to set the next record offset field of an old-style record. */ @@ -118,8 +115,8 @@ UNIV_INLINE void rec_set_next_offs_old( /*==================*/ - rec_t* rec, /* in: old-style physical record */ - ulint next); /* in: offset of the next record */ + rec_t* rec, /*!< in: old-style physical record */ + ulint next); /*!< in: offset of the next record */ /********************************************************** The following function is used to set the next record offset field of a new-style record. */ @@ -127,96 +124,96 @@ UNIV_INLINE void rec_set_next_offs_new( /*==================*/ - rec_t* rec, /* in/out: new-style physical record */ - ulint next); /* in: offset of the next record */ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint next); /*!< in: offset of the next record */ /********************************************************** The following function is used to get the number of fields -in an old-style record. */ +in an old-style record. +@return number of data fields */ UNIV_INLINE ulint rec_get_n_fields_old( /*=================*/ - /* out: number of data fields */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** The following function is used to get the number of fields -in a record. */ +in a record. +@return number of data fields */ UNIV_INLINE ulint rec_get_n_fields( /*=============*/ - /* out: number of data fields */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index); /* in: record descriptor */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index); /*!< in: record descriptor */ /********************************************************** The following function is used to get the number of records owned by the -previous directory record. */ +previous directory record. +@return number of owned records */ UNIV_INLINE ulint rec_get_n_owned_old( /*================*/ - /* out: number of owned records */ - const rec_t* rec); /* in: old-style physical record */ + const rec_t* rec); /*!< in: old-style physical record */ /********************************************************** The following function is used to set the number of owned records. */ UNIV_INLINE void rec_set_n_owned_old( /*================*/ - rec_t* rec, /* in: old-style physical record */ - ulint n_owned); /* in: the number of owned */ + rec_t* rec, /*!< in: old-style physical record */ + ulint n_owned); /*!< in: the number of owned */ /********************************************************** The following function is used to get the number of records owned by the -previous directory record. */ +previous directory record. +@return number of owned records */ UNIV_INLINE ulint rec_get_n_owned_new( /*================*/ - /* out: number of owned records */ - const rec_t* rec); /* in: new-style physical record */ + const rec_t* rec); /*!< in: new-style physical record */ /********************************************************** The following function is used to set the number of owned records. */ UNIV_INLINE void rec_set_n_owned_new( /*================*/ - rec_t* rec, /* in/out: new-style physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint n_owned);/* in: the number of owned */ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n_owned);/*!< in: the number of owned */ /********************************************************** The following function is used to retrieve the info bits of -a record. */ +a record. +@return info bits */ UNIV_INLINE ulint rec_get_info_bits( /*==============*/ - /* out: info bits */ - const rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to set the info bits of a record. */ UNIV_INLINE void rec_set_info_bits_old( /*==================*/ - rec_t* rec, /* in: old-style physical record */ - ulint bits); /* in: info bits */ + rec_t* rec, /*!< in: old-style physical record */ + ulint bits); /*!< in: info bits */ /********************************************************** The following function is used to set the info bits of a record. */ UNIV_INLINE void rec_set_info_bits_new( /*==================*/ - rec_t* rec, /* in/out: new-style physical record */ - ulint bits); /* in: info bits */ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint bits); /*!< in: info bits */ /********************************************************** -The following function retrieves the status bits of a new-style record. */ +The following function retrieves the status bits of a new-style record. +@return status bits */ UNIV_INLINE ulint rec_get_status( /*===========*/ - /* out: status bits */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** The following function is used to set the status bits of a new-style record. */ @@ -224,19 +221,19 @@ UNIV_INLINE void rec_set_status( /*===========*/ - rec_t* rec, /* in/out: physical record */ - ulint bits); /* in: info bits */ + rec_t* rec, /*!< in/out: physical record */ + ulint bits); /*!< in: info bits */ /********************************************************** The following function is used to retrieve the info and status -bits of a record. (Only compact records have status bits.) */ +bits of a record. (Only compact records have status bits.) +@return info bits */ UNIV_INLINE ulint rec_get_info_and_status_bits( /*=========================*/ - /* out: info bits */ - const rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to set the info and status bits of a record. (Only compact records have status bits.) */ @@ -244,52 +241,52 @@ UNIV_INLINE void rec_set_info_and_status_bits( /*=========================*/ - rec_t* rec, /* in/out: compact physical record */ - ulint bits); /* in: info bits */ + rec_t* rec, /*!< in/out: compact physical record */ + ulint bits); /*!< in: info bits */ /********************************************************** -The following function tells if record is delete marked. */ +The following function tells if record is delete marked. +@return nonzero if delete marked */ UNIV_INLINE ulint rec_get_deleted_flag( /*=================*/ - /* out: nonzero if delete marked */ - const rec_t* rec, /* in: physical record */ - ulint comp); /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ /********************************************************** The following function is used to set the deleted bit. */ UNIV_INLINE void rec_set_deleted_flag_old( /*=====================*/ - rec_t* rec, /* in: old-style physical record */ - ulint flag); /* in: nonzero if delete marked */ + rec_t* rec, /*!< in: old-style physical record */ + ulint flag); /*!< in: nonzero if delete marked */ /********************************************************** The following function is used to set the deleted bit. */ UNIV_INLINE void rec_set_deleted_flag_new( /*=====================*/ - rec_t* rec, /* in/out: new-style physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint flag); /* in: nonzero if delete marked */ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint flag); /*!< in: nonzero if delete marked */ /********************************************************** -The following function tells if a new-style record is a node pointer. */ +The following function tells if a new-style record is a node pointer. +@return TRUE if node pointer */ UNIV_INLINE ibool rec_get_node_ptr_flag( /*==================*/ - /* out: TRUE if node pointer */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** The following function is used to get the order number -of an old-style record in the heap of the index page. */ +of an old-style record in the heap of the index page. +@return heap order number */ UNIV_INLINE ulint rec_get_heap_no_old( /*================*/ - /* out: heap order number */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** The following function is used to set the heap number field in an old-style record. */ @@ -297,17 +294,17 @@ UNIV_INLINE void rec_set_heap_no_old( /*================*/ - rec_t* rec, /* in: physical record */ - ulint heap_no);/* in: the heap number */ + rec_t* rec, /*!< in: physical record */ + ulint heap_no);/*!< in: the heap number */ /********************************************************** The following function is used to get the order number -of a new-style record in the heap of the index page. */ +of a new-style record in the heap of the index page. +@return heap order number */ UNIV_INLINE ulint rec_get_heap_no_new( /*================*/ - /* out: heap order number */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** The following function is used to set the heap number field in a new-style record. */ @@ -315,50 +312,50 @@ UNIV_INLINE void rec_set_heap_no_new( /*================*/ - rec_t* rec, /* in/out: physical record */ - ulint heap_no);/* in: the heap number */ + rec_t* rec, /*!< in/out: physical record */ + ulint heap_no);/*!< in: the heap number */ /********************************************************** The following function is used to test whether the data offsets -in the record are stored in one-byte or two-byte format. */ +in the record are stored in one-byte or two-byte format. +@return TRUE if 1-byte form */ UNIV_INLINE ibool rec_get_1byte_offs_flag( /*====================*/ - /* out: TRUE if 1-byte form */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** Determine how many of the first n columns in a compact -physical record are stored externally. */ +physical record are stored externally. +@return number of externally stored columns */ UNIV_INTERN ulint rec_get_n_extern_new( /*=================*/ - /* out: number of externally stored columns */ - const rec_t* rec, /* in: compact physical record */ - dict_index_t* index, /* in: record descriptor */ - ulint n); /* in: number of columns to scan */ + const rec_t* rec, /*!< in: compact physical record */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n); /*!< in: number of columns to scan */ /********************************************************** The following function determines the offsets to each field -in the record. It can reuse a previously allocated array. */ +in the record. It can reuse a previously allocated array. +@return the new offsets */ UNIV_INTERN ulint* rec_get_offsets_func( /*=================*/ - /* out: the new offsets */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets,/* in/out: array consisting of + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: array consisting of offsets[0] allocated elements, or an array from rec_get_offsets(), or NULL */ - ulint n_fields,/* in: maximum number of + ulint n_fields,/*!< in: maximum number of initialized fields (ULINT_UNDEFINED if all fields) */ - mem_heap_t** heap, /* in/out: memory heap */ - const char* file, /* in: file name where called */ - ulint line); /* in: line number where called */ + mem_heap_t** heap, /*!< in/out: memory heap */ + const char* file, /*!< in: file name where called */ + ulint line); /*!< in: line number where called */ #define rec_get_offsets(rec,index,offsets,n,heap) \ rec_get_offsets_func(rec,index,offsets,n,heap,__FILE__,__LINE__) @@ -371,14 +368,14 @@ UNIV_INTERN void rec_init_offsets_comp_ordinary( /*===========================*/ - const rec_t* rec, /* in: physical record in + const rec_t* rec, /*!< in: physical record in ROW_FORMAT=COMPACT */ - ulint extra, /* in: number of bytes to reserve + ulint extra, /*!< in: number of bytes to reserve between the record header and the data payload (usually REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets);/* in/out: array of offsets; + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets);/*!< in/out: array of offsets; in: n=rec_offs_n_fields(offsets) */ /********************************************************** @@ -388,26 +385,26 @@ UNIV_INTERN void rec_get_offsets_reverse( /*====================*/ - const byte* extra, /* in: the extra bytes of a + const byte* extra, /*!< in: the extra bytes of a compact record in reverse order, excluding the fixed-size REC_N_NEW_EXTRA_BYTES */ - const dict_index_t* index, /* in: record descriptor */ - ulint node_ptr,/* in: nonzero=node pointer, + const dict_index_t* index, /*!< in: record descriptor */ + ulint node_ptr,/*!< in: nonzero=node pointer, 0=leaf node */ - ulint* offsets);/* in/out: array consisting of + ulint* offsets);/*!< in/out: array consisting of offsets[0] allocated elements */ /**************************************************************** -Validates offsets returned by rec_get_offsets(). */ +Validates offsets returned by rec_get_offsets(). +@return TRUE if valid */ UNIV_INLINE ibool rec_offs_validate( /*==============*/ - /* out: TRUE if valid */ - const rec_t* rec, /* in: record or NULL */ - const dict_index_t* index, /* in: record descriptor or NULL */ - const ulint* offsets);/* in: array returned by + const rec_t* rec, /*!< in: record or NULL */ + const dict_index_t* index, /*!< in: record descriptor or NULL */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #ifdef UNIV_DEBUG /**************************************************************** @@ -417,9 +414,9 @@ UNIV_INLINE void rec_offs_make_valid( /*================*/ - const rec_t* rec, /* in: record */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets);/* in: array returned by + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #else # define rec_offs_make_valid(rec, index, offsets) ((void) 0) @@ -427,97 +424,97 @@ rec_offs_make_valid( /**************************************************************** The following function is used to get the offset to the nth -data field in an old-style record. */ +data field in an old-style record. +@return offset to the field */ UNIV_INTERN ulint rec_get_nth_field_offs_old( /*=======================*/ - /* out: offset to the field */ - const rec_t* rec, /* in: record */ - ulint n, /* in: index of the field */ - ulint* len); /* out: length of the field; UNIV_SQL_NULL + const rec_t* rec, /*!< in: record */ + ulint n, /*!< in: index of the field */ + ulint* len); /*!< out: length of the field; UNIV_SQL_NULL if SQL null */ #define rec_get_nth_field_old(rec, n, len) \ ((rec) + rec_get_nth_field_offs_old(rec, n, len)) /**************************************************************** Gets the physical size of an old-style field. Also an SQL null may have a field of size > 0, -if the data type is of a fixed size. */ +if the data type is of a fixed size. +@return field size in bytes */ UNIV_INLINE ulint rec_get_nth_field_size( /*===================*/ - /* out: field size in bytes */ - const rec_t* rec, /* in: record */ - ulint n); /* in: index of the field */ + const rec_t* rec, /*!< in: record */ + ulint n); /*!< in: index of the field */ /**************************************************************** The following function is used to get an offset to the nth -data field in a record. */ +data field in a record. +@return offset from the origin of rec */ UNIV_INLINE ulint rec_get_nth_field_offs( /*===================*/ - /* out: offset from the origin of rec */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n, /* in: index of the field */ - ulint* len); /* out: length of the field; UNIV_SQL_NULL + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index of the field */ + ulint* len); /*!< out: length of the field; UNIV_SQL_NULL if SQL null */ #define rec_get_nth_field(rec, offsets, n, len) \ ((rec) + rec_get_nth_field_offs(offsets, n, len)) /********************************************************** Determine if the offsets are for a record in the new -compact format. */ +compact format. +@return nonzero if compact format */ UNIV_INLINE ulint rec_offs_comp( /*==========*/ - /* out: nonzero if compact format */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /********************************************************** Determine if the offsets are for a record containing -externally stored columns. */ +externally stored columns. +@return nonzero if externally stored */ UNIV_INLINE ulint rec_offs_any_extern( /*================*/ - /* out: nonzero if externally stored */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /********************************************************** -Returns nonzero if the extern bit is set in nth field of rec. */ +Returns nonzero if the extern bit is set in nth field of rec. +@return nonzero if externally stored */ UNIV_INLINE ulint rec_offs_nth_extern( /*================*/ - /* out: nonzero if externally stored */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n); /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ /********************************************************** -Returns nonzero if the SQL NULL bit is set in nth field of rec. */ +Returns nonzero if the SQL NULL bit is set in nth field of rec. +@return nonzero if SQL NULL */ UNIV_INLINE ulint rec_offs_nth_sql_null( /*==================*/ - /* out: nonzero if SQL NULL */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n); /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ /********************************************************** -Gets the physical size of a field. */ +Gets the physical size of a field. +@return length of field */ UNIV_INLINE ulint rec_offs_nth_size( /*==============*/ - /* out: length of field */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n); /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ /********************************************************** -Returns the number of extern bits set in a record. */ +Returns the number of extern bits set in a record. +@return number of externally stored fields */ UNIV_INLINE ulint rec_offs_n_extern( /*==============*/ - /* out: number of externally stored fields */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /*************************************************************** This is used to modify the value of an already existing field in a record. The previous value must have exactly the same size as the new value. If len @@ -528,31 +525,31 @@ UNIV_INLINE void rec_set_nth_field( /*==============*/ - rec_t* rec, /* in: record */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n, /* in: index number of the field */ - const void* data, /* in: pointer to the data if not SQL null */ - ulint len); /* in: length of the data or UNIV_SQL_NULL */ + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index number of the field */ + const void* data, /*!< in: pointer to the data if not SQL null */ + ulint len); /*!< in: length of the data or UNIV_SQL_NULL */ /************************************************************** The following function returns the data size of an old-style physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. */ +is the distance from record origin to record end in bytes. +@return size */ UNIV_INLINE ulint rec_get_data_size_old( /*==================*/ - /* out: size */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /************************************************************** The following function returns the number of allocated elements -for an array of offsets. */ +for an array of offsets. +@return number of elements */ UNIV_INLINE ulint rec_offs_get_n_alloc( /*=================*/ - /* out: number of elements */ - const ulint* offsets);/* in: array for rec_get_offsets() */ + const ulint* offsets);/*!< in: array for rec_get_offsets() */ /************************************************************** The following function sets the number of allocated elements for an array of offsets. */ @@ -560,108 +557,108 @@ UNIV_INLINE void rec_offs_set_n_alloc( /*=================*/ - ulint* offsets, /* out: array for rec_get_offsets(), + ulint* offsets, /*!< out: array for rec_get_offsets(), must be allocated */ - ulint n_alloc); /* in: number of elements */ + ulint n_alloc); /*!< in: number of elements */ #define rec_offs_init(offsets) \ rec_offs_set_n_alloc(offsets, (sizeof offsets) / sizeof *offsets) /************************************************************** -The following function returns the number of fields in a record. */ +The following function returns the number of fields in a record. +@return number of fields */ UNIV_INLINE ulint rec_offs_n_fields( /*==============*/ - /* out: number of fields */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** The following function returns the data size of a physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. */ +is the distance from record origin to record end in bytes. +@return size */ UNIV_INLINE ulint rec_offs_data_size( /*===============*/ - /* out: size */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** Returns the total size of record minus data size of record. The value returned by the function is the distance from record -start to record origin in bytes. */ +start to record origin in bytes. +@return size */ UNIV_INLINE ulint rec_offs_extra_size( /*================*/ - /* out: size */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** -Returns the total size of a physical record. */ +Returns the total size of a physical record. +@return size */ UNIV_INLINE ulint rec_offs_size( /*==========*/ - /* out: size */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** -Returns a pointer to the start of the record. */ +Returns a pointer to the start of the record. +@return pointer to start */ UNIV_INLINE byte* rec_get_start( /*==========*/ - /* out: pointer to start */ - rec_t* rec, /* in: pointer to record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /************************************************************** -Returns a pointer to the end of the record. */ +Returns a pointer to the end of the record. +@return pointer to end */ UNIV_INLINE byte* rec_get_end( /*========*/ - /* out: pointer to end */ - rec_t* rec, /* in: pointer to record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* -Copies a physical record to a buffer. */ +Copies a physical record to a buffer. +@return pointer to the origin of the copy */ UNIV_INLINE rec_t* rec_copy( /*=====*/ - /* out: pointer to the origin of the copy */ - void* buf, /* in: buffer */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + void* buf, /*!< in: buffer */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #ifndef UNIV_HOTBACKUP /****************************************************************** Copies the first n fields of a physical record to a new physical record in -a buffer. */ +a buffer. +@return own: copied record */ UNIV_INTERN rec_t* rec_copy_prefix_to_buf( /*===================*/ - /* out, own: copied record */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint n_fields, /* in: number of fields + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields to copy */ - byte** buf, /* in/out: memory buffer + byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ - ulint* buf_size); /* in/out: buffer size */ + ulint* buf_size); /*!< in/out: buffer size */ /**************************************************************** -Folds a prefix of a physical record to a ulint. */ +Folds a prefix of a physical record to a ulint. +@return the folded value */ UNIV_INLINE ulint rec_fold( /*=====*/ - /* out: the folded value */ - const rec_t* rec, /* in: the physical record */ - const ulint* offsets, /* in: array returned by + const rec_t* rec, /*!< in: the physical record */ + const ulint* offsets, /*!< in: array returned by rec_get_offsets() */ - ulint n_fields, /* in: number of complete + ulint n_fields, /*!< in: number of complete fields to fold */ - ulint n_bytes, /* in: number of bytes to fold + ulint n_bytes, /*!< in: number of bytes to fold in an incomplete last field */ - dulint tree_id) /* in: index tree id */ + dulint tree_id) /*!< in: index tree id */ __attribute__((pure)); #endif /* !UNIV_HOTBACKUP */ /************************************************************* @@ -670,82 +667,81 @@ UNIV_INTERN void rec_convert_dtuple_to_rec_comp( /*===========================*/ - rec_t* rec, /* in: origin of record */ - ulint extra, /* in: number of bytes to + rec_t* rec, /*!< in: origin of record */ + ulint extra, /*!< in: number of bytes to reserve between the record header and the data payload (normally REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /* in: record descriptor */ - ulint status, /* in: status bits of the record */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields);/* in: number of data fields */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields);/*!< in: number of data fields */ /************************************************************* Builds a physical record out of a data tuple and -stores it into the given buffer. */ +stores it into the given buffer. +@return pointer to the origin of physical record */ UNIV_INTERN rec_t* rec_convert_dtuple_to_rec( /*======================*/ - /* out: pointer to the origin - of physical record */ - byte* buf, /* in: start address of the + byte* buf, /*!< in: start address of the physical record */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* dtuple, /* in: data tuple */ - ulint n_ext); /* in: number of + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext); /*!< in: number of externally stored columns */ /************************************************************** Returns the extra size of an old-style physical record if we know its -data size and number of fields. */ +data size and number of fields. +@return extra size */ UNIV_INLINE ulint rec_get_converted_extra_size( /*=========================*/ - /* out: extra size */ - ulint data_size, /* in: data size */ - ulint n_fields, /* in: number of fields */ - ulint n_ext) /* in: number of externally stored columns */ + ulint data_size, /*!< in: data size */ + ulint n_fields, /*!< in: number of fields */ + ulint n_ext) /*!< in: number of externally stored columns */ __attribute__((const)); /************************************************************** -Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. */ +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. +@return total size */ UNIV_INTERN ulint rec_get_converted_size_comp_prefix( /*===============================*/ - /* out: total size */ - const dict_index_t* index, /* in: record descriptor; + const dict_index_t* index, /*!< in: record descriptor; dict_table_is_comp() is assumed to hold, even if it does not */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields,/* in: number of data fields */ - ulint* extra); /* out: extra size */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra); /*!< out: extra size */ /************************************************************** -Determines the size of a data tuple in ROW_FORMAT=COMPACT. */ +Determines the size of a data tuple in ROW_FORMAT=COMPACT. +@return total size */ UNIV_INTERN ulint rec_get_converted_size_comp( /*========================*/ - /* out: total size */ - const dict_index_t* index, /* in: record descriptor; + const dict_index_t* index, /*!< in: record descriptor; dict_table_is_comp() is assumed to hold, even if it does not */ - ulint status, /* in: status bits of the record */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields,/* in: number of data fields */ - ulint* extra); /* out: extra size */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra); /*!< out: extra size */ /************************************************************** The following function returns the size of a data tuple when converted to -a physical record. */ +a physical record. +@return size */ UNIV_INLINE ulint rec_get_converted_size( /*===================*/ - /* out: size */ - dict_index_t* index, /* in: record descriptor */ - const dtuple_t* dtuple, /* in: data tuple */ - ulint n_ext); /* in: number of externally stored columns */ + dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext); /*!< in: number of externally stored columns */ #ifndef UNIV_HOTBACKUP /****************************************************************** Copies the first n fields of a physical record to a data tuple. @@ -754,30 +750,30 @@ UNIV_INTERN void rec_copy_prefix_to_dtuple( /*======================*/ - dtuple_t* tuple, /* out: data tuple */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint n_fields, /* in: number of fields + dtuple_t* tuple, /*!< out: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields to copy */ - mem_heap_t* heap); /* in: memory heap */ + mem_heap_t* heap); /*!< in: memory heap */ #endif /* !UNIV_HOTBACKUP */ /******************************************************************* -Validates the consistency of a physical record. */ +Validates the consistency of a physical record. +@return TRUE if ok */ UNIV_INTERN ibool rec_validate( /*=========*/ - /* out: TRUE if ok */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* Prints an old-style physical record. */ UNIV_INTERN void rec_print_old( /*==========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec); /* in: physical record */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec); /*!< in: physical record */ #ifndef UNIV_HOTBACKUP /******************************************************************* Prints a physical record in ROW_FORMAT=COMPACT. Ignores the @@ -786,27 +782,27 @@ UNIV_INTERN void rec_print_comp( /*===========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* Prints a physical record. */ UNIV_INTERN void rec_print_new( /*==========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* Prints a physical record. */ UNIV_INTERN void rec_print( /*======*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - dict_index_t* index); /* in: record descriptor */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + dict_index_t* index); /*!< in: record descriptor */ #endif /* UNIV_HOTBACKUP */ #define REC_INFO_BITS 6 /* This is single byte bit-field */ diff --git a/include/rem0rec.ic b/include/rem0rec.ic index 373f92440e4..4c7fc9cd1ab 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -149,9 +149,9 @@ UNIV_INTERN void rec_set_nth_field_null_bit( /*=======================*/ - rec_t* rec, /* in: record */ - ulint i, /* in: ith field */ - ibool val); /* in: value to set */ + rec_t* rec, /*!< in: record */ + ulint i, /*!< in: ith field */ + ibool val); /*!< in: value to set */ /*************************************************************** Sets an old-style record field to SQL null. The physical size of the field is not changed. */ @@ -159,8 +159,8 @@ UNIV_INTERN void rec_set_nth_field_sql_null( /*=======================*/ - rec_t* rec, /* in: record */ - ulint n); /* in: index of the field */ + rec_t* rec, /*!< in: record */ + ulint n); /*!< in: index of the field */ /********************************************************** Gets a bit field from within 1 byte. */ @@ -168,10 +168,10 @@ UNIV_INLINE ulint rec_get_bit_field_1( /*================*/ - const rec_t* rec, /* in: pointer to record origin */ - ulint offs, /* in: offset from the origin down */ - ulint mask, /* in: mask used to filter bits */ - ulint shift) /* in: shift right applied after masking */ + const rec_t* rec, /*!< in: pointer to record origin */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ { ut_ad(rec); @@ -184,11 +184,11 @@ UNIV_INLINE void rec_set_bit_field_1( /*================*/ - rec_t* rec, /* in: pointer to record origin */ - ulint val, /* in: value to set */ - ulint offs, /* in: offset from the origin down */ - ulint mask, /* in: mask used to filter bits */ - ulint shift) /* in: shift right applied after masking */ + rec_t* rec, /*!< in: pointer to record origin */ + ulint val, /*!< in: value to set */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ { ut_ad(rec); ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); @@ -208,10 +208,10 @@ UNIV_INLINE ulint rec_get_bit_field_2( /*================*/ - const rec_t* rec, /* in: pointer to record origin */ - ulint offs, /* in: offset from the origin down */ - ulint mask, /* in: mask used to filter bits */ - ulint shift) /* in: shift right applied after masking */ + const rec_t* rec, /*!< in: pointer to record origin */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ { ut_ad(rec); @@ -224,11 +224,11 @@ UNIV_INLINE void rec_set_bit_field_2( /*================*/ - rec_t* rec, /* in: pointer to record origin */ - ulint val, /* in: value to set */ - ulint offs, /* in: offset from the origin down */ - ulint mask, /* in: mask used to filter bits */ - ulint shift) /* in: shift right applied after masking */ + rec_t* rec, /*!< in: pointer to record origin */ + ulint val, /*!< in: value to set */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ { ut_ad(rec); ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); @@ -246,15 +246,14 @@ rec_set_bit_field_2( /********************************************************** The following function is used to get the pointer of the next chained record -on the same page. */ +on the same page. +@return pointer to the next chained record, or NULL if none */ UNIV_INLINE const rec_t* rec_get_next_ptr_const( /*===================*/ - /* out: pointer to the next chained record, or - NULL if none */ - const rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { ulint field_value; @@ -303,30 +302,28 @@ rec_get_next_ptr_const( /********************************************************** The following function is used to get the pointer of the next chained record -on the same page. */ +on the same page. +@return pointer to the next chained record, or NULL if none */ UNIV_INLINE rec_t* rec_get_next_ptr( /*=============*/ - /* out: pointer to the next chained record, or - NULL if none */ - rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { return((rec_t*) rec_get_next_ptr_const(rec, comp)); } /********************************************************** The following function is used to get the offset of the next chained record -on the same page. */ +on the same page. +@return the page offset of the next chained record, or 0 if none */ UNIV_INLINE ulint rec_get_next_offs( /*==============*/ - /* out: the page offset of the next - chained record, or 0 if none */ - const rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { ulint field_value; #if REC_NEXT_MASK != 0xFFFFUL @@ -381,8 +378,8 @@ UNIV_INLINE void rec_set_next_offs_old( /*==================*/ - rec_t* rec, /* in: old-style physical record */ - ulint next) /* in: offset of the next record */ + rec_t* rec, /*!< in: old-style physical record */ + ulint next) /*!< in: offset of the next record */ { ut_ad(rec); ut_ad(UNIV_PAGE_SIZE > next); @@ -403,8 +400,8 @@ UNIV_INLINE void rec_set_next_offs_new( /*==================*/ - rec_t* rec, /* in/out: new-style physical record */ - ulint next) /* in: offset of the next record */ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint next) /*!< in: offset of the next record */ { ulint field_value; @@ -429,13 +426,13 @@ rec_set_next_offs_new( /********************************************************** The following function is used to get the number of fields -in an old-style record. */ +in an old-style record. +@return number of data fields */ UNIV_INLINE ulint rec_get_n_fields_old( /*=================*/ - /* out: number of data fields */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { ulint ret; @@ -457,8 +454,8 @@ UNIV_INLINE void rec_set_n_fields_old( /*=================*/ - rec_t* rec, /* in: physical record */ - ulint n_fields) /* in: the number of fields */ + rec_t* rec, /*!< in: physical record */ + ulint n_fields) /*!< in: the number of fields */ { ut_ad(rec); ut_ad(n_fields <= REC_MAX_N_FIELDS); @@ -469,13 +466,13 @@ rec_set_n_fields_old( } /********************************************************** -The following function retrieves the status bits of a new-style record. */ +The following function retrieves the status bits of a new-style record. +@return status bits */ UNIV_INLINE ulint rec_get_status( /*===========*/ - /* out: status bits */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { ulint ret; @@ -490,14 +487,14 @@ rec_get_status( /********************************************************** The following function is used to get the number of fields -in a record. */ +in a record. +@return number of data fields */ UNIV_INLINE ulint rec_get_n_fields( /*=============*/ - /* out: number of data fields */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index) /* in: record descriptor */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index) /*!< in: record descriptor */ { ut_ad(rec); ut_ad(index); @@ -522,13 +519,13 @@ rec_get_n_fields( /********************************************************** The following function is used to get the number of records owned by the -previous directory record. */ +previous directory record. +@return number of owned records */ UNIV_INLINE ulint rec_get_n_owned_old( /*================*/ - /* out: number of owned records */ - const rec_t* rec) /* in: old-style physical record */ + const rec_t* rec) /*!< in: old-style physical record */ { return(rec_get_bit_field_1(rec, REC_OLD_N_OWNED, REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); @@ -540,8 +537,8 @@ UNIV_INLINE void rec_set_n_owned_old( /*================*/ - rec_t* rec, /* in: old-style physical record */ - ulint n_owned) /* in: the number of owned */ + rec_t* rec, /*!< in: old-style physical record */ + ulint n_owned) /*!< in: the number of owned */ { rec_set_bit_field_1(rec, n_owned, REC_OLD_N_OWNED, REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); @@ -549,13 +546,13 @@ rec_set_n_owned_old( /********************************************************** The following function is used to get the number of records owned by the -previous directory record. */ +previous directory record. +@return number of owned records */ UNIV_INLINE ulint rec_get_n_owned_new( /*================*/ - /* out: number of owned records */ - const rec_t* rec) /* in: new-style physical record */ + const rec_t* rec) /*!< in: new-style physical record */ { return(rec_get_bit_field_1(rec, REC_NEW_N_OWNED, REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); @@ -567,9 +564,9 @@ UNIV_INLINE void rec_set_n_owned_new( /*================*/ - rec_t* rec, /* in/out: new-style physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint n_owned)/* in: the number of owned */ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n_owned)/*!< in: the number of owned */ { rec_set_bit_field_1(rec, n_owned, REC_NEW_N_OWNED, REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); @@ -581,14 +578,14 @@ rec_set_n_owned_new( } /********************************************************** -The following function is used to retrieve the info bits of a record. */ +The following function is used to retrieve the info bits of a record. +@return info bits */ UNIV_INLINE ulint rec_get_info_bits( /*==============*/ - /* out: info bits */ - const rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { return(rec_get_bit_field_1( rec, comp ? REC_NEW_INFO_BITS : REC_OLD_INFO_BITS, @@ -601,8 +598,8 @@ UNIV_INLINE void rec_set_info_bits_old( /*==================*/ - rec_t* rec, /* in: old-style physical record */ - ulint bits) /* in: info bits */ + rec_t* rec, /*!< in: old-style physical record */ + ulint bits) /*!< in: info bits */ { rec_set_bit_field_1(rec, bits, REC_OLD_INFO_BITS, REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); @@ -613,8 +610,8 @@ UNIV_INLINE void rec_set_info_bits_new( /*==================*/ - rec_t* rec, /* in/out: new-style physical record */ - ulint bits) /* in: info bits */ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint bits) /*!< in: info bits */ { rec_set_bit_field_1(rec, bits, REC_NEW_INFO_BITS, REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); @@ -626,8 +623,8 @@ UNIV_INLINE void rec_set_status( /*===========*/ - rec_t* rec, /* in/out: physical record */ - ulint bits) /* in: info bits */ + rec_t* rec, /*!< in/out: physical record */ + ulint bits) /*!< in: info bits */ { rec_set_bit_field_1(rec, bits, REC_NEW_STATUS, REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); @@ -635,14 +632,14 @@ rec_set_status( /********************************************************** The following function is used to retrieve the info and status -bits of a record. (Only compact records have status bits.) */ +bits of a record. (Only compact records have status bits.) +@return info bits */ UNIV_INLINE ulint rec_get_info_and_status_bits( /*=========================*/ - /* out: info bits */ - const rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { ulint bits; #if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ @@ -664,8 +661,8 @@ UNIV_INLINE void rec_set_info_and_status_bits( /*=========================*/ - rec_t* rec, /* in/out: physical record */ - ulint bits) /* in: info bits */ + rec_t* rec, /*!< in/out: physical record */ + ulint bits) /*!< in: info bits */ { #if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ & (REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT) @@ -676,14 +673,14 @@ rec_set_info_and_status_bits( } /********************************************************** -The following function tells if record is delete marked. */ +The following function tells if record is delete marked. +@return nonzero if delete marked */ UNIV_INLINE ulint rec_get_deleted_flag( /*=================*/ - /* out: nonzero if delete marked */ - const rec_t* rec, /* in: physical record */ - ulint comp) /* in: nonzero=compact page format */ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ { if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { return(UNIV_UNLIKELY( @@ -704,8 +701,8 @@ UNIV_INLINE void rec_set_deleted_flag_old( /*=====================*/ - rec_t* rec, /* in: old-style physical record */ - ulint flag) /* in: nonzero if delete marked */ + rec_t* rec, /*!< in: old-style physical record */ + ulint flag) /*!< in: nonzero if delete marked */ { ulint val; @@ -726,9 +723,9 @@ UNIV_INLINE void rec_set_deleted_flag_new( /*=====================*/ - rec_t* rec, /* in/out: new-style physical record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint flag) /* in: nonzero if delete marked */ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint flag) /*!< in: nonzero if delete marked */ { ulint val; @@ -748,26 +745,26 @@ rec_set_deleted_flag_new( } /********************************************************** -The following function tells if a new-style record is a node pointer. */ +The following function tells if a new-style record is a node pointer. +@return TRUE if node pointer */ UNIV_INLINE ibool rec_get_node_ptr_flag( /*==================*/ - /* out: TRUE if node pointer */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { return(REC_STATUS_NODE_PTR == rec_get_status(rec)); } /********************************************************** The following function is used to get the order number -of an old-style record in the heap of the index page. */ +of an old-style record in the heap of the index page. +@return heap order number */ UNIV_INLINE ulint rec_get_heap_no_old( /*================*/ - /* out: heap order number */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { return(rec_get_bit_field_2(rec, REC_OLD_HEAP_NO, REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); @@ -780,8 +777,8 @@ UNIV_INLINE void rec_set_heap_no_old( /*================*/ - rec_t* rec, /* in: physical record */ - ulint heap_no)/* in: the heap number */ + rec_t* rec, /*!< in: physical record */ + ulint heap_no)/*!< in: the heap number */ { rec_set_bit_field_2(rec, heap_no, REC_OLD_HEAP_NO, REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); @@ -789,13 +786,13 @@ rec_set_heap_no_old( /********************************************************** The following function is used to get the order number -of a new-style record in the heap of the index page. */ +of a new-style record in the heap of the index page. +@return heap order number */ UNIV_INLINE ulint rec_get_heap_no_new( /*================*/ - /* out: heap order number */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { return(rec_get_bit_field_2(rec, REC_NEW_HEAP_NO, REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); @@ -808,8 +805,8 @@ UNIV_INLINE void rec_set_heap_no_new( /*================*/ - rec_t* rec, /* in/out: physical record */ - ulint heap_no)/* in: the heap number */ + rec_t* rec, /*!< in/out: physical record */ + ulint heap_no)/*!< in: the heap number */ { rec_set_bit_field_2(rec, heap_no, REC_NEW_HEAP_NO, REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); @@ -817,13 +814,13 @@ rec_set_heap_no_new( /********************************************************** The following function is used to test whether the data offsets in the record -are stored in one-byte or two-byte format. */ +are stored in one-byte or two-byte format. +@return TRUE if 1-byte form */ UNIV_INLINE ibool rec_get_1byte_offs_flag( /*====================*/ - /* out: TRUE if 1-byte form */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { #if TRUE != 1 #error "TRUE != 1" @@ -839,8 +836,8 @@ UNIV_INLINE void rec_set_1byte_offs_flag( /*====================*/ - rec_t* rec, /* in: physical record */ - ibool flag) /* in: TRUE if 1byte form */ + rec_t* rec, /*!< in: physical record */ + ibool flag) /*!< in: TRUE if 1byte form */ { #if TRUE != 1 #error "TRUE != 1" @@ -854,15 +851,14 @@ rec_set_1byte_offs_flag( /********************************************************** Returns the offset of nth field end if the record is stored in the 1-byte offsets form. If the field is SQL null, the flag is ORed in the returned -value. */ +value. +@return offset of the start of the field, SQL null flag ORed */ UNIV_INLINE ulint rec_1_get_field_end_info( /*=====================*/ - /* out: offset of the start of the - field, SQL null flag ORed */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(rec_get_1byte_offs_flag(rec)); ut_ad(n < rec_get_n_fields_old(rec)); @@ -873,16 +869,14 @@ rec_1_get_field_end_info( /********************************************************** Returns the offset of nth field end if the record is stored in the 2-byte offsets form. If the field is SQL null, the flag is ORed in the returned -value. */ +value. +@return offset of the start of the field, SQL null flag and extern storage flag ORed */ UNIV_INLINE ulint rec_2_get_field_end_info( /*=====================*/ - /* out: offset of the start of the - field, SQL null flag and extern - storage flag ORed */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(!rec_get_1byte_offs_flag(rec)); ut_ad(n < rec_get_n_fields_old(rec)); @@ -897,13 +891,13 @@ the fields. */ /************************************************************** The following function returns the number of allocated elements -for an array of offsets. */ +for an array of offsets. +@return number of elements */ UNIV_INLINE ulint rec_offs_get_n_alloc( /*=================*/ - /* out: number of elements */ - const ulint* offsets)/* in: array for rec_get_offsets() */ + const ulint* offsets)/*!< in: array for rec_get_offsets() */ { ulint n_alloc; ut_ad(offsets); @@ -920,9 +914,9 @@ UNIV_INLINE void rec_offs_set_n_alloc( /*=================*/ - ulint* offsets, /* out: array for rec_get_offsets(), + ulint* offsets, /*!< out: array for rec_get_offsets(), must be allocated */ - ulint n_alloc) /* in: number of elements */ + ulint n_alloc) /*!< in: number of elements */ { ut_ad(offsets); ut_ad(n_alloc > REC_OFFS_HEADER_SIZE); @@ -931,13 +925,13 @@ rec_offs_set_n_alloc( } /************************************************************** -The following function returns the number of fields in a record. */ +The following function returns the number of fields in a record. +@return number of fields */ UNIV_INLINE ulint rec_offs_n_fields( /*==============*/ - /* out: number of fields */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint n_fields; ut_ad(offsets); @@ -950,15 +944,15 @@ rec_offs_n_fields( } /**************************************************************** -Validates offsets returned by rec_get_offsets(). */ +Validates offsets returned by rec_get_offsets(). +@return TRUE if valid */ UNIV_INLINE ibool rec_offs_validate( /*==============*/ - /* out: TRUE if valid */ - const rec_t* rec, /* in: record or NULL */ - const dict_index_t* index, /* in: record descriptor or NULL */ - const ulint* offsets)/* in: array returned by + const rec_t* rec, /*!< in: record or NULL */ + const dict_index_t* index, /*!< in: record descriptor or NULL */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint i = rec_offs_n_fields(offsets); @@ -1012,9 +1006,9 @@ UNIV_INLINE void rec_offs_make_valid( /*================*/ - const rec_t* rec, /* in: record */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets)/* in: array returned by + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec); @@ -1028,15 +1022,15 @@ rec_offs_make_valid( /**************************************************************** The following function is used to get an offset to the nth -data field in a record. */ +data field in a record. +@return offset from the origin of rec */ UNIV_INLINE ulint rec_get_nth_field_offs( /*===================*/ - /* out: offset from the origin of rec */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n, /* in: index of the field */ - ulint* len) /* out: length of the field; UNIV_SQL_NULL + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index of the field */ + ulint* len) /*!< out: length of the field; UNIV_SQL_NULL if SQL null */ { ulint offs; @@ -1065,13 +1059,13 @@ rec_get_nth_field_offs( /********************************************************** Determine if the offsets are for a record in the new -compact format. */ +compact format. +@return nonzero if compact format */ UNIV_INLINE ulint rec_offs_comp( /*==========*/ - /* out: nonzero if compact format */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec_offs_validate(NULL, NULL, offsets)); return(*rec_offs_base(offsets) & REC_OFFS_COMPACT); @@ -1079,27 +1073,27 @@ rec_offs_comp( /********************************************************** Determine if the offsets are for a record containing -externally stored columns. */ +externally stored columns. +@return nonzero if externally stored */ UNIV_INLINE ulint rec_offs_any_extern( /*================*/ - /* out: nonzero if externally stored */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec_offs_validate(NULL, NULL, offsets)); return(UNIV_UNLIKELY(*rec_offs_base(offsets) & REC_OFFS_EXTERNAL)); } /********************************************************** -Returns nonzero if the extern bit is set in nth field of rec. */ +Returns nonzero if the extern bit is set in nth field of rec. +@return nonzero if externally stored */ UNIV_INLINE ulint rec_offs_nth_extern( /*================*/ - /* out: nonzero if externally stored */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n) /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ { ut_ad(rec_offs_validate(NULL, NULL, offsets)); ut_ad(n < rec_offs_n_fields(offsets)); @@ -1108,14 +1102,14 @@ rec_offs_nth_extern( } /********************************************************** -Returns nonzero if the SQL NULL bit is set in nth field of rec. */ +Returns nonzero if the SQL NULL bit is set in nth field of rec. +@return nonzero if SQL NULL */ UNIV_INLINE ulint rec_offs_nth_sql_null( /*==================*/ - /* out: nonzero if SQL NULL */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n) /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ { ut_ad(rec_offs_validate(NULL, NULL, offsets)); ut_ad(n < rec_offs_n_fields(offsets)); @@ -1124,14 +1118,14 @@ rec_offs_nth_sql_null( } /********************************************************** -Gets the physical size of a field. */ +Gets the physical size of a field. +@return length of field */ UNIV_INLINE ulint rec_offs_nth_size( /*==============*/ - /* out: length of field */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n) /* in: nth field */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ { ut_ad(rec_offs_validate(NULL, NULL, offsets)); ut_ad(n < rec_offs_n_fields(offsets)); @@ -1143,13 +1137,13 @@ rec_offs_nth_size( } /********************************************************** -Returns the number of extern bits set in a record. */ +Returns the number of extern bits set in a record. +@return number of externally stored fields */ UNIV_INLINE ulint rec_offs_n_extern( /*==============*/ - /* out: number of externally stored fields */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint n = 0; @@ -1171,15 +1165,14 @@ Returns the offset of n - 1th field end if the record is stored in the 1-byte offsets form. If the field is SQL null, the flag is ORed in the returned value. This function and the 2-byte counterpart are defined here because the C-compiler was not able to sum negative and positive constant offsets, and -warned of constant arithmetic overflow within the compiler. */ +warned of constant arithmetic overflow within the compiler. +@return offset of the start of the PREVIOUS field, SQL null flag ORed */ UNIV_INLINE ulint rec_1_get_prev_field_end_info( /*==========================*/ - /* out: offset of the start of the - PREVIOUS field, SQL null flag ORed */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(rec_get_1byte_offs_flag(rec)); ut_ad(n <= rec_get_n_fields_old(rec)); @@ -1190,15 +1183,14 @@ rec_1_get_prev_field_end_info( /********************************************************** Returns the offset of n - 1th field end if the record is stored in the 2-byte offsets form. If the field is SQL null, the flag is ORed in the returned -value. */ +value. +@return offset of the start of the PREVIOUS field, SQL null flag ORed */ UNIV_INLINE ulint rec_2_get_prev_field_end_info( /*==========================*/ - /* out: offset of the start of the - PREVIOUS field, SQL null flag ORed */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(!rec_get_1byte_offs_flag(rec)); ut_ad(n <= rec_get_n_fields_old(rec)); @@ -1213,9 +1205,9 @@ UNIV_INLINE void rec_1_set_field_end_info( /*=====================*/ - rec_t* rec, /* in: record */ - ulint n, /* in: field index */ - ulint info) /* in: value to set */ + rec_t* rec, /*!< in: record */ + ulint n, /*!< in: field index */ + ulint info) /*!< in: value to set */ { ut_ad(rec_get_1byte_offs_flag(rec)); ut_ad(n < rec_get_n_fields_old(rec)); @@ -1230,9 +1222,9 @@ UNIV_INLINE void rec_2_set_field_end_info( /*=====================*/ - rec_t* rec, /* in: record */ - ulint n, /* in: field index */ - ulint info) /* in: value to set */ + rec_t* rec, /*!< in: record */ + ulint n, /*!< in: field index */ + ulint info) /*!< in: value to set */ { ut_ad(!rec_get_1byte_offs_flag(rec)); ut_ad(n < rec_get_n_fields_old(rec)); @@ -1242,14 +1234,14 @@ rec_2_set_field_end_info( /********************************************************** Returns the offset of nth field start if the record is stored in the 1-byte -offsets form. */ +offsets form. +@return offset of the start of the field */ UNIV_INLINE ulint rec_1_get_field_start_offs( /*=======================*/ - /* out: offset of the start of the field */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(rec_get_1byte_offs_flag(rec)); ut_ad(n <= rec_get_n_fields_old(rec)); @@ -1265,14 +1257,14 @@ rec_1_get_field_start_offs( /********************************************************** Returns the offset of nth field start if the record is stored in the 2-byte -offsets form. */ +offsets form. +@return offset of the start of the field */ UNIV_INLINE ulint rec_2_get_field_start_offs( /*=======================*/ - /* out: offset of the start of the field */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(!rec_get_1byte_offs_flag(rec)); ut_ad(n <= rec_get_n_fields_old(rec)); @@ -1290,14 +1282,14 @@ rec_2_get_field_start_offs( The following function is used to read the offset of the start of a data field in the record. The start of an SQL null field is the end offset of the previous non-null field, or 0, if none exists. If n is the number of the last -field + 1, then the end offset of the last field is returned. */ +field + 1, then the end offset of the last field is returned. +@return offset of the start of the field */ UNIV_INLINE ulint rec_get_field_start_offs( /*=====================*/ - /* out: offset of the start of the field */ - const rec_t* rec, /* in: record */ - ulint n) /* in: field index */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ { ut_ad(rec); ut_ad(n <= rec_get_n_fields_old(rec)); @@ -1318,14 +1310,14 @@ rec_get_field_start_offs( /**************************************************************** Gets the physical size of an old-style field. Also an SQL null may have a field of size > 0, -if the data type is of a fixed size. */ +if the data type is of a fixed size. +@return field size in bytes */ UNIV_INLINE ulint rec_get_nth_field_size( /*===================*/ - /* out: field size in bytes */ - const rec_t* rec, /* in: record */ - ulint n) /* in: index of the field */ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: index of the field */ { ulint os; ulint next_os; @@ -1348,12 +1340,12 @@ UNIV_INLINE void rec_set_nth_field( /*==============*/ - rec_t* rec, /* in: record */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n, /* in: index number of the field */ - const void* data, /* in: pointer to the data + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index number of the field */ + const void* data, /*!< in: pointer to the data if not SQL null */ - ulint len) /* in: length of the data or UNIV_SQL_NULL */ + ulint len) /*!< in: length of the data or UNIV_SQL_NULL */ { byte* data2; ulint len2; @@ -1386,13 +1378,13 @@ rec_set_nth_field( The following function returns the data size of an old-style physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. */ +is the distance from record origin to record end in bytes. +@return size */ UNIV_INLINE ulint rec_get_data_size_old( /*==================*/ - /* out: size */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { ut_ad(rec); @@ -1405,9 +1397,9 @@ UNIV_INLINE void rec_offs_set_n_fields( /*==================*/ - ulint* offsets, /* in/out: array returned by + ulint* offsets, /*!< in/out: array returned by rec_get_offsets() */ - ulint n_fields) /* in: number of fields */ + ulint n_fields) /*!< in: number of fields */ { ut_ad(offsets); ut_ad(n_fields > 0); @@ -1421,13 +1413,13 @@ rec_offs_set_n_fields( The following function returns the data size of a physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. */ +is the distance from record origin to record end in bytes. +@return size */ UNIV_INLINE ulint rec_offs_data_size( /*===============*/ - /* out: size */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint size; @@ -1441,13 +1433,13 @@ rec_offs_data_size( /************************************************************** Returns the total size of record minus data size of record. The value returned by the function is the distance from record start to record origin -in bytes. */ +in bytes. +@return size */ UNIV_INLINE ulint rec_offs_extra_size( /*================*/ - /* out: size */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint size; ut_ad(rec_offs_validate(NULL, NULL, offsets)); @@ -1457,55 +1449,55 @@ rec_offs_extra_size( } /************************************************************** -Returns the total size of a physical record. */ +Returns the total size of a physical record. +@return size */ UNIV_INLINE ulint rec_offs_size( /*==========*/ - /* out: size */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { return(rec_offs_data_size(offsets) + rec_offs_extra_size(offsets)); } /************************************************************** -Returns a pointer to the end of the record. */ +Returns a pointer to the end of the record. +@return pointer to end */ UNIV_INLINE byte* rec_get_end( /*========*/ - /* out: pointer to end */ - rec_t* rec, /* in: pointer to record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec_offs_validate(rec, NULL, offsets)); return(rec + rec_offs_data_size(offsets)); } /************************************************************** -Returns a pointer to the start of the record. */ +Returns a pointer to the start of the record. +@return pointer to start */ UNIV_INLINE byte* rec_get_start( /*==========*/ - /* out: pointer to start */ - rec_t* rec, /* in: pointer to record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec_offs_validate(rec, NULL, offsets)); return(rec - rec_offs_extra_size(offsets)); } /******************************************************************* -Copies a physical record to a buffer. */ +Copies a physical record to a buffer. +@return pointer to the origin of the copy */ UNIV_INLINE rec_t* rec_copy( /*=====*/ - /* out: pointer to the origin of the copy */ - void* buf, /* in: buffer */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + void* buf, /*!< in: buffer */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint extra_len; ulint data_len; @@ -1524,15 +1516,15 @@ rec_copy( /************************************************************** Returns the extra size of an old-style physical record if we know its -data size and number of fields. */ +data size and number of fields. +@return extra size */ UNIV_INLINE ulint rec_get_converted_extra_size( /*=========================*/ - /* out: extra size */ - ulint data_size, /* in: data size */ - ulint n_fields, /* in: number of fields */ - ulint n_ext) /* in: number of externally stored columns */ + ulint data_size, /*!< in: data size */ + ulint n_fields, /*!< in: number of fields */ + ulint n_ext) /*!< in: number of externally stored columns */ { if (!n_ext && data_size <= REC_1BYTE_OFFS_LIMIT) { @@ -1544,15 +1536,15 @@ rec_get_converted_extra_size( /************************************************************** The following function returns the size of a data tuple when converted to -a physical record. */ +a physical record. +@return size */ UNIV_INLINE ulint rec_get_converted_size( /*===================*/ - /* out: size */ - dict_index_t* index, /* in: record descriptor */ - const dtuple_t* dtuple, /* in: data tuple */ - ulint n_ext) /* in: number of externally stored columns */ + dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of externally stored columns */ { ulint data_size; ulint extra_size; @@ -1587,20 +1579,20 @@ rec_get_converted_size( #ifndef UNIV_HOTBACKUP /**************************************************************** Folds a prefix of a physical record to a ulint. Folds only existing fields, -that is, checks that we do not run out of the record. */ +that is, checks that we do not run out of the record. +@return the folded value */ UNIV_INLINE ulint rec_fold( /*=====*/ - /* out: the folded value */ - const rec_t* rec, /* in: the physical record */ - const ulint* offsets, /* in: array returned by + const rec_t* rec, /*!< in: the physical record */ + const ulint* offsets, /*!< in: array returned by rec_get_offsets() */ - ulint n_fields, /* in: number of complete + ulint n_fields, /*!< in: number of complete fields to fold */ - ulint n_bytes, /* in: number of bytes to fold + ulint n_bytes, /*!< in: number of bytes to fold in an incomplete last field */ - dulint tree_id) /* in: index tree id */ + dulint tree_id) /*!< in: index tree id */ { ulint i; const byte* data; diff --git a/include/row0ext.h b/include/row0ext.h index 08ebafa4d98..518f79f6420 100644 --- a/include/row0ext.h +++ b/include/row0ext.h @@ -31,56 +31,50 @@ Created September 2006 Marko Makela #include "mem0mem.h" /************************************************************************ -Creates a cache of column prefixes of externally stored columns. */ +Creates a cache of column prefixes of externally stored columns. +@return own: column prefix cache */ UNIV_INTERN row_ext_t* row_ext_create( /*===========*/ - /* out,own: column prefix cache */ - ulint n_ext, /* in: number of externally stored columns */ - const ulint* ext, /* in: col_no's of externally stored columns + ulint n_ext, /*!< in: number of externally stored columns */ + const ulint* ext, /*!< in: col_no's of externally stored columns in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index */ - const dtuple_t* tuple, /* in: data tuple containing the field + const dtuple_t* tuple, /*!< in: data tuple containing the field references of the externally stored columns; must be indexed by col_no; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge). */ - ulint zip_size,/* compressed page size in bytes, or 0 */ - mem_heap_t* heap); /* in: heap where created */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + mem_heap_t* heap); /*!< in: heap where created */ /************************************************************************ -Looks up a column prefix of an externally stored column. */ +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup_ith( /*===============*/ - /* out: column prefix, or NULL if - the column is not stored externally, - or pointer to field_ref_zero - if the BLOB pointer is unset */ - const row_ext_t* ext, /* in/out: column prefix cache */ - ulint i, /* in: index of ext->ext[] */ - ulint* len); /* out: length of prefix, in bytes, + const row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint* len); /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ /************************************************************************ -Looks up a column prefix of an externally stored column. */ +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup( /*===========*/ - /* out: column prefix, or NULL if - the column is not stored externally, - or pointer to field_ref_zero - if the BLOB pointer is unset */ - const row_ext_t* ext, /* in: column prefix cache */ - ulint col, /* in: column number in the InnoDB + const row_ext_t* ext, /*!< in: column prefix cache */ + ulint col, /*!< in: column number in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index */ - ulint* len); /* out: length of prefix, in bytes, + ulint* len); /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ /* Prefixes of externally stored columns */ diff --git a/include/row0ext.ic b/include/row0ext.ic index e56fc175764..9a59d2238ad 100644 --- a/include/row0ext.ic +++ b/include/row0ext.ic @@ -26,18 +26,15 @@ Created September 2006 Marko Makela #include "btr0types.h" /************************************************************************ -Looks up a column prefix of an externally stored column. */ +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup_ith( /*===============*/ - /* out: column prefix, or NULL if - the column is not stored externally, - or pointer to field_ref_zero - if the BLOB pointer is unset */ - const row_ext_t* ext, /* in/out: column prefix cache */ - ulint i, /* in: index of ext->ext[] */ - ulint* len) /* out: length of prefix, in bytes, + const row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint* len) /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ { ut_ad(ext); @@ -55,21 +52,18 @@ row_ext_lookup_ith( } /************************************************************************ -Looks up a column prefix of an externally stored column. */ +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup( /*===========*/ - /* out: column prefix, or NULL if - the column is not stored externally, - or pointer to field_ref_zero - if the BLOB pointer is unset */ - const row_ext_t* ext, /* in: column prefix cache */ - ulint col, /* in: column number in the InnoDB + const row_ext_t* ext, /*!< in: column prefix cache */ + ulint col, /*!< in: column number in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index */ - ulint* len) /* out: length of prefix, in bytes, + ulint* len) /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ { ulint i; diff --git a/include/row0ins.h b/include/row0ins.h index 135de22fe1d..308f27c1859 100644 --- a/include/row0ins.h +++ b/include/row0ins.h @@ -35,34 +35,32 @@ Created 4/20/1996 Heikki Tuuri /******************************************************************* Checks if foreign key constraint fails for an index entry. Sets shared locks which lock either the success or the failure of the constraint. NOTE that -the caller must have a shared latch on dict_foreign_key_check_lock. */ +the caller must have a shared latch on dict_foreign_key_check_lock. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_NO_REFERENCED_ROW, or DB_ROW_IS_REFERENCED */ UNIV_INTERN ulint row_ins_check_foreign_constraint( /*=============================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_NO_REFERENCED_ROW, - or DB_ROW_IS_REFERENCED */ - ibool check_ref,/* in: TRUE If we want to check that + ibool check_ref,/*!< in: TRUE If we want to check that the referenced table is ok, FALSE if we want to to check the foreign key table */ - dict_foreign_t* foreign,/* in: foreign constraint; NOTE that the + dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the tables mentioned in it must be in the dictionary cache if they exist at all */ - dict_table_t* table, /* in: if check_ref is TRUE, then the foreign + dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign table, else the referenced table */ - dtuple_t* entry, /* in: index entry for index */ - que_thr_t* thr); /* in: query thread */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************* -Creates an insert node struct. */ +Creates an insert node struct. +@return own: insert node struct */ UNIV_INTERN ins_node_t* ins_node_create( /*============*/ - /* out, own: insert node struct */ - ulint ins_type, /* in: INS_VALUES, ... */ - dict_table_t* table, /* in: table where to insert */ - mem_heap_t* heap); /* in: mem heap where created */ + ulint ins_type, /*!< in: INS_VALUES, ... */ + dict_table_t* table, /*!< in: table where to insert */ + mem_heap_t* heap); /*!< in: mem heap where created */ /************************************************************************* Sets a new row to insert for an INS_DIRECT node. This function is only used if we have constructed the row separately, which is a rare case; this @@ -71,40 +69,39 @@ UNIV_INTERN void ins_node_set_new_row( /*=================*/ - ins_node_t* node, /* in: insert node */ - dtuple_t* row); /* in: new row (or first row) for the node */ + ins_node_t* node, /*!< in: insert node */ + dtuple_t* row); /*!< in: new row (or first row) for the node */ /******************************************************************* Inserts an index entry to index. Tries first optimistic, then pessimistic descent down the tree. If the entry matches enough to a delete marked record, performs the insert by updating or delete unmarking the delete marked -record. */ +record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ UNIV_INTERN ulint row_ins_index_entry( /*================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DUPLICATE_KEY, or some other error code */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry to insert */ - ulint n_ext, /* in: number of externally stored columns */ - ibool foreign,/* in: TRUE=check foreign key constraints */ - que_thr_t* thr); /* in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + ibool foreign,/*!< in: TRUE=check foreign key constraints */ + que_thr_t* thr); /*!< in: query thread */ /*************************************************************** Inserts a row to a table. This is a high-level function used in -SQL execution graphs. */ +SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_ins_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*************************************************************** Creates an entry template for each index of a table. */ UNIV_INTERN void ins_node_create_entry_list( /*=======================*/ - ins_node_t* node); /* in: row insert node */ + ins_node_t* node); /*!< in: row insert node */ /* Insert node structure */ diff --git a/include/row0merge.h b/include/row0merge.h index d25a2c152ea..e74da02edce 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -60,15 +60,15 @@ struct merge_index_def_struct { typedef struct merge_index_def_struct merge_index_def_t; /************************************************************************* -Sets an exclusive lock on a table, for the duration of creating indexes. */ +Sets an exclusive lock on a table, for the duration of creating indexes. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_merge_lock_table( /*=================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in/out: transaction */ - dict_table_t* table, /* in: table to lock */ - enum lock_mode mode); /* in: LOCK_X or LOCK_S */ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table, /*!< in: table to lock */ + enum lock_mode mode); /*!< in: LOCK_X or LOCK_S */ /************************************************************************* Drop an index from the InnoDB system tables. The data dictionary must have been locked exclusively by the caller, because the transaction @@ -77,9 +77,9 @@ UNIV_INTERN void row_merge_drop_index( /*=================*/ - dict_index_t* index, /* in: index to be removed */ - dict_table_t* table, /* in: table */ - trx_t* trx); /* in: transaction handle */ + dict_index_t* index, /*!< in: index to be removed */ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* Drop those indexes which were created before an error occurred when building an index. The data dictionary must have been locked @@ -89,10 +89,10 @@ UNIV_INTERN void row_merge_drop_indexes( /*===================*/ - trx_t* trx, /* in: transaction */ - dict_table_t* table, /* in: table containing the indexes */ - dict_index_t** index, /* in: indexes to drop */ - ulint num_created); /* in: number of elements in index[] */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table containing the indexes */ + dict_index_t** index, /*!< in: indexes to drop */ + ulint num_created); /*!< in: number of elements in index[] */ /************************************************************************* Drop all partially created indexes during crash recovery. */ UNIV_INTERN @@ -102,95 +102,93 @@ row_merge_drop_temp_indexes(void); /************************************************************************* Rename the tables in the data dictionary. The data dictionary must have been locked exclusively by the caller, because the transaction -will not be committed. */ +will not be committed. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_merge_rename_tables( /*====================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* old_table, /* in/out: old table, renamed to + dict_table_t* old_table, /*!< in/out: old table, renamed to tmp_name */ - dict_table_t* new_table, /* in/out: new table, renamed to + dict_table_t* new_table, /*!< in/out: new table, renamed to old_table->name */ - const char* tmp_name, /* in: new name for old_table */ - trx_t* trx); /* in: transaction handle */ + const char* tmp_name, /*!< in: new name for old_table */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* Create a temporary table for creating a primary key, using the definition -of an existing table. */ +of an existing table. +@return table, or NULL on error */ UNIV_INTERN dict_table_t* row_merge_create_temporary_table( /*=============================*/ - /* out: table, - or NULL on error */ - const char* table_name, /* in: new table name */ - const merge_index_def_t*index_def, /* in: the index definition + const char* table_name, /*!< in: new table name */ + const merge_index_def_t*index_def, /*!< in: the index definition of the primary key */ - const dict_table_t* table, /* in: old table definition */ - trx_t* trx); /* in/out: transaction + const dict_table_t* table, /*!< in: old table definition */ + trx_t* trx); /*!< in/out: transaction (sets error_state) */ /************************************************************************* Rename the temporary indexes in the dictionary to permanent ones. The data dictionary must have been locked exclusively by the caller, -because the transaction will not be committed. */ +because the transaction will not be committed. +@return DB_SUCCESS if all OK */ UNIV_INTERN ulint row_merge_rename_indexes( /*=====================*/ - /* out: DB_SUCCESS if all OK */ - trx_t* trx, /* in/out: transaction */ - dict_table_t* table); /* in/out: table with new indexes */ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table); /*!< in/out: table with new indexes */ /************************************************************************* -Create the index and load in to the dictionary. */ +Create the index and load in to the dictionary. +@return index, or NULL on error */ UNIV_INTERN dict_index_t* row_merge_create_index( /*===================*/ - /* out: index, or NULL on error */ - trx_t* trx, /* in/out: trx (sets error_state) */ - dict_table_t* table, /* in: the index is on this table */ + trx_t* trx, /*!< in/out: trx (sets error_state) */ + dict_table_t* table, /*!< in: the index is on this table */ const merge_index_def_t*index_def); - /* in: the index definition */ + /*!< in: the index definition */ /************************************************************************* -Check if a transaction can use an index. */ +Check if a transaction can use an index. +@return TRUE if index can be used by the transaction else FALSE */ UNIV_INTERN ibool row_merge_is_index_usable( /*======================*/ - /* out: TRUE if index can be used by - the transaction else FALSE*/ - const trx_t* trx, /* in: transaction */ - const dict_index_t* index); /* in: index to check */ + const trx_t* trx, /*!< in: transaction */ + const dict_index_t* index); /*!< in: index to check */ /************************************************************************* If there are views that refer to the old table name then we "attach" to -the new instance of the table else we drop it immediately. */ +the new instance of the table else we drop it immediately. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_merge_drop_table( /*=================*/ - /* out: DB_SUCCESS or error code */ - trx_t* trx, /* in: transaction */ - dict_table_t* table); /* in: table instance to drop */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table); /*!< in: table instance to drop */ /************************************************************************* Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting -these index entries and inserting sorted index entries to indexes. */ +these index entries and inserting sorted index entries to indexes. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_merge_build_indexes( /*====================*/ - /* out: DB_SUCCESS or error code */ - trx_t* trx, /* in: transaction */ - dict_table_t* old_table, /* in: table where rows are + trx_t* trx, /*!< in: transaction */ + dict_table_t* old_table, /*!< in: table where rows are read from */ - dict_table_t* new_table, /* in: table where indexes are + dict_table_t* new_table, /*!< in: table where indexes are created; identical to old_table unless creating a PRIMARY KEY */ - dict_index_t** indexes, /* in: indexes to be created */ - ulint n_indexes, /* in: size of indexes[] */ - TABLE* table); /* in/out: MySQL table, for + dict_index_t** indexes, /*!< in: indexes to be created */ + ulint n_indexes, /*!< in: size of indexes[] */ + TABLE* table); /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ #endif /* row0merge.h */ diff --git a/include/row0mysql.h b/include/row0mysql.h index 63c169836df..37aa19c2633 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -45,33 +45,30 @@ UNIV_INTERN void row_mysql_prebuilt_free_blob_heap( /*==============================*/ - row_prebuilt_t* prebuilt); /* in: prebuilt struct of a + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct of a ha_innobase:: table handle */ /*********************************************************************** Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row -format. */ +format. +@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ UNIV_INTERN byte* row_mysql_store_true_var_len( /*=========================*/ - /* out: pointer to the data, we skip the 1 or 2 bytes - at the start that are used to store the len */ - byte* dest, /* in: where to store */ - ulint len, /* in: length, must fit in two bytes */ - ulint lenlen);/* in: storage length of len: either 1 or 2 bytes */ + byte* dest, /*!< in: where to store */ + ulint len, /*!< in: length, must fit in two bytes */ + ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ /*********************************************************************** Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and -returns a pointer to the data. */ +returns a pointer to the data. +@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ const byte* row_mysql_read_true_varchar( /*========================*/ - /* out: pointer to the data, we skip - the 1 or 2 bytes at the start that are - used to store the len */ - ulint* len, /* out: variable-length field length */ - const byte* field, /* in: field in the MySQL format */ - ulint lenlen);/* in: storage length of len: either 1 + ulint* len, /*!< out: variable-length field length */ + const byte* field, /*!< in: field in the MySQL format */ + ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ /*********************************************************************** Stores a reference to a BLOB in the MySQL format. */ @@ -79,94 +76,92 @@ UNIV_INTERN void row_mysql_store_blob_ref( /*=====================*/ - byte* dest, /* in: where to store */ - ulint col_len,/* in: dest buffer size: determines into + byte* dest, /*!< in: where to store */ + ulint col_len,/*!< in: dest buffer size: determines into how many bytes the BLOB length is stored, the space for the length may vary from 1 to 4 bytes */ - const void* data, /* in: BLOB data; if the value to store + const void* data, /*!< in: BLOB data; if the value to store is SQL NULL this should be NULL pointer */ - ulint len); /* in: BLOB length; if the value to store + ulint len); /*!< in: BLOB length; if the value to store is SQL NULL this should be 0; remember also to set the NULL bit in the MySQL record header! */ /*********************************************************************** -Reads a reference to a BLOB in the MySQL format. */ +Reads a reference to a BLOB in the MySQL format. +@return pointer to BLOB data */ const byte* row_mysql_read_blob_ref( /*====================*/ - /* out: pointer to BLOB data */ - ulint* len, /* out: BLOB length */ - const byte* ref, /* in: BLOB reference in the + ulint* len, /*!< out: BLOB length */ + const byte* ref, /*!< in: BLOB reference in the MySQL format */ - ulint col_len); /* in: BLOB reference length + ulint col_len); /*!< in: BLOB reference length (not BLOB length) */ /****************************************************************** Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. The counterpart of this function is row_sel_field_store_in_mysql_format() in -row0sel.c. */ +row0sel.c. +@return up to which byte we used buf in the conversion */ UNIV_INTERN byte* row_mysql_store_col_in_innobase_format( /*===================================*/ - /* out: up to which byte we used - buf in the conversion */ - dfield_t* dfield, /* in/out: dfield where dtype + dfield_t* dfield, /*!< in/out: dfield where dtype information must be already set when this function is called! */ - byte* buf, /* in/out: buffer for a converted + byte* buf, /*!< in/out: buffer for a converted integer value; this must be at least col_len long then! */ - ibool row_format_col, /* TRUE if the mysql_data is from + ibool row_format_col, /*!< TRUE if the mysql_data is from a MySQL row, FALSE if from a MySQL key value; in MySQL, a true VARCHAR storage format differs in a row and in a key value: in a key value the length is always stored in 2 bytes! */ - const byte* mysql_data, /* in: MySQL column value, not + const byte* mysql_data, /*!< in: MySQL column value, not SQL NULL; NOTE that dfield may also get a pointer to mysql_data, therefore do not discard this as long as dfield is used! */ - ulint col_len, /* in: MySQL column length; NOTE that + ulint col_len, /*!< in: MySQL column length; NOTE that this is the storage length of the column in the MySQL format row, not necessarily the length of the actual payload data; if the column is a true VARCHAR then this is irrelevant */ - ulint comp); /* in: nonzero=compact format */ + ulint comp); /*!< in: nonzero=compact format */ /******************************************************************** -Handles user errors and lock waits detected by the database engine. */ +Handles user errors and lock waits detected by the database engine. +@return TRUE if it was a lock wait and we should continue running the query thread */ UNIV_INTERN ibool row_mysql_handle_errors( /*====================*/ - /* out: TRUE if it was a lock wait and - we should continue running the query thread */ - ulint* new_err,/* out: possible new error encountered in + ulint* new_err,/*!< out: possible new error encountered in rollback, or the old error which was during the function entry */ - trx_t* trx, /* in: transaction */ - que_thr_t* thr, /* in: query thread */ - trx_savept_t* savept);/* in: savepoint */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_savept_t* savept);/*!< in: savepoint */ /************************************************************************ -Create a prebuilt struct for a MySQL table handle. */ +Create a prebuilt struct for a MySQL table handle. +@return own: a prebuilt struct */ UNIV_INTERN row_prebuilt_t* row_create_prebuilt( /*================*/ - /* out, own: a prebuilt struct */ - dict_table_t* table); /* in: Innobase table handle */ + dict_table_t* table); /*!< in: Innobase table handle */ /************************************************************************ Free a prebuilt struct for a MySQL table handle. */ UNIV_INTERN void row_prebuilt_free( /*==============*/ - row_prebuilt_t* prebuilt, /* in, own: prebuilt struct */ - ibool dict_locked); /* in: TRUE=data dictionary locked */ + row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ + ibool dict_locked); /*!< in: TRUE=data dictionary locked */ /************************************************************************* Updates the transaction pointers in query graphs stored in the prebuilt struct. */ @@ -174,54 +169,54 @@ UNIV_INTERN void row_update_prebuilt_trx( /*====================*/ - row_prebuilt_t* prebuilt, /* in/out: prebuilt struct + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct in MySQL handle */ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ - trx_t* trx); /* in/out: transaction */ + trx_t* trx); /*!< in/out: transaction */ /************************************************************************* Sets an AUTO_INC type lock on the table mentioned in prebuilt. The AUTO_INC lock gives exclusive access to the auto-inc counter of the table. The lock is reserved only for the duration of an SQL statement. It is not compatible with another AUTO_INC or exclusive lock on the -table. */ +table. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_lock_table_autoinc_for_mysql( /*=============================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in the MySQL + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in the MySQL table handle */ /************************************************************************* -Sets a table lock on the table mentioned in prebuilt. */ +Sets a table lock on the table mentioned in prebuilt. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_lock_table_for_mysql( /*=====================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in the MySQL + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL table handle */ - dict_table_t* table, /* in: table to lock, or NULL + dict_table_t* table, /*!< in: table to lock, or NULL if prebuilt->table should be locked as prebuilt->select_lock_type */ - ulint mode); /* in: lock mode of table + ulint mode); /*!< in: lock mode of table (ignored if table==NULL) */ /************************************************************************* -Does an insert for MySQL. */ +Does an insert for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_insert_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - byte* mysql_rec, /* in: row in the MySQL format */ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL + byte* mysql_rec, /*!< in: row in the MySQL format */ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /************************************************************************* Builds a dummy query graph used in selects. */ @@ -229,49 +224,47 @@ UNIV_INTERN void row_prebuild_sel_graph( /*===================*/ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /************************************************************************* Gets pointer to a prebuilt update vector used in updates. If the update graph has not yet been built in the prebuilt struct, then this function -first builds it. */ +first builds it. +@return prebuilt update vector */ UNIV_INTERN upd_t* row_get_prebuilt_update_vector( /*===========================*/ - /* out: prebuilt update vector */ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /************************************************************************* Checks if a table is such that we automatically created a clustered -index on it (on row id). */ +index on it (on row id). +@return TRUE if the clustered index was generated automatically */ UNIV_INTERN ibool row_table_got_default_clust_index( /*==============================*/ - /* out: TRUE if the clustered index - was generated automatically */ - const dict_table_t* table); /* in: table */ + const dict_table_t* table); /*!< in: table */ /************************************************************************* Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table */ +to take into account if we generated a default clustered index for the table +@return the key number used inside MySQL */ UNIV_INTERN ulint row_get_mysql_key_number_for_index( /*===============================*/ - /* out: the key number used - inside MySQL */ - const dict_index_t* index); /* in: index */ + const dict_index_t* index); /*!< in: index */ /************************************************************************* -Does an update or delete of a row for MySQL. */ +Does an update or delete of a row for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_update_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - byte* mysql_rec, /* in: the row to be updated, in + byte* mysql_rec, /*!< in: the row to be updated, in the MySQL format */ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /************************************************************************* This can only be used when srv_locks_unsafe_for_binlog is TRUE or @@ -283,39 +276,39 @@ and also under prebuilt->clust_pcur. Currently, this is only used and tested in the case of an UPDATE or a DELETE statement, where the row lock is of the LOCK_X type. Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. */ +locks we set. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_unlock_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL handle */ - ibool has_latches_on_recs);/* TRUE if called so that we have + ibool has_latches_on_recs);/*!< TRUE if called so that we have the latches on the records under pcur and clust_pcur, and we do not need to reposition the cursors. */ /************************************************************************* Creates an query graph node of 'update' type to be used in the MySQL -interface. */ +interface. +@return own: update node */ UNIV_INTERN upd_node_t* row_create_update_node_for_mysql( /*=============================*/ - /* out, own: update node */ - dict_table_t* table, /* in: table to update */ - mem_heap_t* heap); /* in: mem heap from which allocated */ + dict_table_t* table, /*!< in: table to update */ + mem_heap_t* heap); /*!< in: mem heap from which allocated */ /************************************************************************** -Does a cascaded delete or set null in a foreign key operation. */ +Does a cascaded delete or set null in a foreign key operation. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_update_cascade_for_mysql( /*=========================*/ - /* out: error code or DB_SUCCESS */ - que_thr_t* thr, /* in: query thread */ - upd_node_t* node, /* in: update node used in the cascade + que_thr_t* thr, /*!< in: query thread */ + upd_node_t* node, /*!< in: update node used in the cascade or set null operation */ - dict_table_t* table); /* in: table where we do the operation */ + dict_table_t* table); /*!< in: table where we do the operation */ /************************************************************************* Locks the data dictionary exclusively for performing a table create or other data dictionary modification operation. */ @@ -323,9 +316,9 @@ UNIV_INTERN void row_mysql_lock_data_dictionary_func( /*================================*/ - trx_t* trx, /* in/out: transaction */ - const char* file, /* in: file name */ - ulint line); /* in: line number */ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line); /*!< in: line number */ #define row_mysql_lock_data_dictionary(trx) \ row_mysql_lock_data_dictionary_func(trx, __FILE__, __LINE__) /************************************************************************* @@ -334,7 +327,7 @@ UNIV_INTERN void row_mysql_unlock_data_dictionary( /*=============================*/ - trx_t* trx); /* in/out: transaction */ + trx_t* trx); /*!< in/out: transaction */ /************************************************************************* Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ @@ -342,9 +335,9 @@ UNIV_INTERN void row_mysql_freeze_data_dictionary_func( /*==================================*/ - trx_t* trx, /* in/out: transaction */ - const char* file, /* in: file name */ - ulint line); /* in: line number */ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line); /*!< in: line number */ #define row_mysql_freeze_data_dictionary(trx) \ row_mysql_freeze_data_dictionary_func(trx, __FILE__, __LINE__) /************************************************************************* @@ -353,34 +346,34 @@ UNIV_INTERN void row_mysql_unfreeze_data_dictionary( /*===============================*/ - trx_t* trx); /* in/out: transaction */ + trx_t* trx); /*!< in/out: transaction */ /************************************************************************* Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also start the printing of monitor output by the master thread. If the table name ends in "innodb_mem_validate", -InnoDB will try to invoke mem_validate(). */ +InnoDB will try to invoke mem_validate(). +@return error code or DB_SUCCESS */ UNIV_INTERN int row_create_table_for_mysql( /*=======================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in, own: table definition + dict_table_t* table, /*!< in, own: table definition (will be freed) */ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* Does an index creation operation for MySQL. TODO: currently failure to create an index results in dropping the whole table! This is no problem -currently as all indexes must be created at the same time as the table. */ +currently as all indexes must be created at the same time as the table. +@return error number or DB_SUCCESS */ UNIV_INTERN int row_create_index_for_mysql( /*=======================*/ - /* out: error number or DB_SUCCESS */ - dict_index_t* index, /* in, own: index definition + dict_index_t* index, /*!< in, own: index definition (will be freed) */ - trx_t* trx, /* in: transaction handle */ - const ulint* field_lengths); /* in: if not NULL, must contain + trx_t* trx, /*!< in: transaction handle */ + const ulint* field_lengths); /*!< in: if not NULL, must contain dict_index_get_n_fields(index) actual field lengths for the index columns, which are @@ -392,127 +385,126 @@ the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in bot participating tables. The indexes are allowed to contain more -fields than mentioned in the constraint. */ +fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_table_add_foreign_constraints( /*==============================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction */ - const char* sql_string, /* in: table create statement where + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where foreign keys are declared like: FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written also with the database name before it: test.table2 */ - const char* name, /* in: table full name in the + const char* name, /*!< in: table full name in the normalized form database_name/table_name */ - ibool reject_fks); /* in: if TRUE, fail with error + ibool reject_fks); /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ /************************************************************************* The master thread in srv0srv.c calls this regularly to drop tables which we must drop in background after queries to them have ended. Such lazy -dropping of tables is needed in ALTER TABLE on Unix. */ +dropping of tables is needed in ALTER TABLE on Unix. +@return how many tables dropped + remaining tables in list */ UNIV_INTERN ulint row_drop_tables_for_mysql_in_background(void); /*=========================================*/ - /* out: how many tables dropped - + remaining tables in list */ /************************************************************************* Get the background drop list length. NOTE: the caller must own the kernel -mutex! */ +mutex! +@return how many tables in list */ UNIV_INTERN ulint row_get_background_drop_list_len_low(void); /*======================================*/ - /* out: how many tables in list */ /************************************************************************* -Truncates a table for MySQL. */ +Truncates a table for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_truncate_table_for_mysql( /*=========================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in: table handle */ - trx_t* trx); /* in: transaction handle */ + dict_table_t* table, /*!< in: table handle */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* Drops a table for MySQL. If the name of the dropped table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor output by the master thread. If the data dictionary was not already locked by the transaction, the transaction will be committed. Otherwise, the -data dictionary will remain locked. */ +data dictionary will remain locked. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_drop_table_for_mysql( /*=====================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx, /* in: transaction handle */ - ibool drop_db);/* in: TRUE=dropping whole database */ + const char* name, /*!< in: table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool drop_db);/*!< in: TRUE=dropping whole database */ /************************************************************************* Discards the tablespace of a table which stored in an .ibd file. Discarding means that this function deletes the .ibd file and assigns a new table id for -the table. Also the flag table->ibd_file_missing is set TRUE. */ +the table. Also the flag table->ibd_file_missing is set TRUE. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_discard_tablespace_for_mysql( /*=============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx); /* in: transaction handle */ + const char* name, /*!< in: table name */ + trx_t* trx); /*!< in: transaction handle */ /********************************************************************* Imports a tablespace. The space id in the .ibd file must match the space id -of the table in the data dictionary. */ +of the table in the data dictionary. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_import_tablespace_for_mysql( /*============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx); /* in: transaction handle */ + const char* name, /*!< in: table name */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* -Drops a database for MySQL. */ +Drops a database for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_drop_database_for_mysql( /*========================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: database name which ends to '/' */ - trx_t* trx); /* in: transaction handle */ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx); /*!< in: transaction handle */ /************************************************************************* -Renames a table for MySQL. */ +Renames a table for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_rename_table_for_mysql( /*=======================*/ - /* out: error code or DB_SUCCESS */ - const char* old_name, /* in: old table name */ - const char* new_name, /* in: new table name */ - trx_t* trx, /* in: transaction handle */ - ibool commit); /* in: if TRUE then commit trx */ + const char* old_name, /*!< in: old table name */ + const char* new_name, /*!< in: new table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool commit); /*!< in: if TRUE then commit trx */ /************************************************************************* -Checks a table for corruption. */ +Checks a table for corruption. +@return DB_ERROR or DB_SUCCESS */ UNIV_INTERN ulint row_check_table_for_mysql( /*======================*/ - /* out: DB_ERROR or DB_SUCCESS */ - row_prebuilt_t* prebuilt); /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /************************************************************************* -Determines if a table is a magic monitor table. */ +Determines if a table is a magic monitor table. +@return TRUE if monitor table */ UNIV_INTERN ibool row_is_magic_monitor_table( /*=======================*/ - /* out: TRUE if monitor table */ - const char* table_name); /* in: name of the table, in the + const char* table_name); /*!< in: name of the table, in the form database/table_name */ /* A struct describing a place for an individual column in the MySQL diff --git a/include/row0purge.h b/include/row0purge.h index bee9d2231d7..d58b04b8d2c 100644 --- a/include/row0purge.h +++ b/include/row0purge.h @@ -35,14 +35,14 @@ Created 3/14/1997 Heikki Tuuri #include "row0types.h" /************************************************************************ -Creates a purge node to a query graph. */ +Creates a purge node to a query graph. +@return own: purge node */ UNIV_INTERN purge_node_t* row_purge_node_create( /*==================*/ - /* out, own: purge node */ - que_thr_t* parent, /* in: parent node, i.e., a thr node */ - mem_heap_t* heap); /* in: memory heap where created */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap); /*!< in: memory heap where created */ /*************************************************************** Determines if it is possible to remove a secondary index entry. Removal is possible if the secondary index entry does not refer to any @@ -56,25 +56,24 @@ this function first returns TRUE and then FALSE, if a user transaction inserts a record that the secondary index entry would refer to. However, in that case, the user transaction would also re-insert the secondary index entry after purge has removed it and released the leaf -page latch. */ +page latch. +@return TRUE if the secondary index record can be purged */ UNIV_INTERN ibool row_purge_poss_sec( /*===============*/ - /* out: TRUE if the secondary index - record can be purged */ - purge_node_t* node, /* in/out: row purge node */ - dict_index_t* index, /* in: secondary index */ - const dtuple_t* entry); /* in: secondary index entry */ + purge_node_t* node, /*!< in/out: row purge node */ + dict_index_t* index, /*!< in: secondary index */ + const dtuple_t* entry); /*!< in: secondary index entry */ /*************************************************************** Does the purge operation for a single undo log record. This is a high-level -function used in an SQL execution graph. */ +function used in an SQL execution graph. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_purge_step( /*===========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /* Purge node structure */ diff --git a/include/row0row.h b/include/row0row.h index c1058ef21a8..231a30c8cb9 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -38,72 +38,67 @@ Created 4/20/1996 Heikki Tuuri /************************************************************************* Gets the offset of the trx id field, in bytes relative to the origin of -a clustered index record. */ +a clustered index record. +@return offset of DATA_TRX_ID */ UNIV_INTERN ulint row_get_trx_id_offset( /*==================*/ - /* out: offset of DATA_TRX_ID */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets);/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ /************************************************************************* -Reads the trx id field from a clustered index record. */ +Reads the trx id field from a clustered index record. +@return value of the field */ UNIV_INLINE trx_id_t row_get_rec_trx_id( /*===============*/ - /* out: value of the field */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets);/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ /************************************************************************* -Reads the roll pointer field from a clustered index record. */ +Reads the roll pointer field from a clustered index record. +@return value of the field */ UNIV_INLINE roll_ptr_t row_get_rec_roll_ptr( /*=================*/ - /* out: value of the field */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets);/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ /********************************************************************* When an insert or purge to a table is performed, this function builds -the entry to be inserted into or purged from an index on the table. */ +the entry to be inserted into or purged from an index on the table. +@return index entry which should be inserted or purged, or NULL if the externally stored columns in the clustered index record are unavailable and ext != NULL */ UNIV_INTERN dtuple_t* row_build_index_entry( /*==================*/ - /* out: index entry which should be - inserted or purged, or NULL if the - externally stored columns in the - clustered index record are unavailable - and ext != NULL */ - const dtuple_t* row, /* in: row which should be + const dtuple_t* row, /*!< in: row which should be inserted or purged */ - row_ext_t* ext, /* in: externally stored column prefixes, + row_ext_t* ext, /*!< in: externally stored column prefixes, or NULL */ - dict_index_t* index, /* in: index on the table */ - mem_heap_t* heap); /* in: memory heap from which the memory for + dict_index_t* index, /*!< in: index on the table */ + mem_heap_t* heap); /*!< in: memory heap from which the memory for the index entry is allocated */ /*********************************************************************** An inverse function to row_build_index_entry. Builds a row from a -record in a clustered index. */ +record in a clustered index. +@return own: row built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_build( /*======*/ - /* out, own: row built; - see the NOTE below! */ - ulint type, /* in: ROW_COPY_POINTERS or + ulint type, /*!< in: ROW_COPY_POINTERS or ROW_COPY_DATA; the latter copies also the data fields to heap while the first only places pointers to data fields on the index page, and thus is more efficient */ - const dict_index_t* index, /* in: clustered index */ - const rec_t* rec, /* in: record in the clustered + const dict_index_t* index, /*!< in: clustered index */ + const rec_t* rec, /*!< in: record in the clustered index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point @@ -112,11 +107,11 @@ row_build( this record must be at least s-latched and the latch held as long as the row dtuple is used! */ - const ulint* offsets,/* in: rec_get_offsets(rec,index) + const ulint* offsets,/*!< in: rec_get_offsets(rec,index) or NULL, in which case this function will invoke rec_get_offsets() */ const dict_table_t* col_table, - /* in: table, to check which + /*!< in: table, to check which externally stored columns occur in the ordering columns of an index, or NULL if @@ -124,43 +119,40 @@ row_build( consulted instead; the user columns in this table should be the same columns as in index->table */ - row_ext_t** ext, /* out, own: cache of + row_ext_t** ext, /*!< out, own: cache of externally stored column prefixes, or NULL */ - mem_heap_t* heap); /* in: memory heap from which + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*********************************************************************** -Converts an index record to a typed data tuple. */ +Converts an index record to a typed data tuple. +@return index entry built; does not set info_bits, and the data fields in the entry will point directly to rec */ UNIV_INTERN dtuple_t* row_rec_to_index_entry_low( /*=======================*/ - /* out: index entry built; does not - set info_bits, and the data fields in - the entry will point directly to rec */ - const rec_t* rec, /* in: record in the index */ - const dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint* n_ext, /* out: number of externally + const rec_t* rec, /*!< in: record in the index */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint* n_ext, /*!< out: number of externally stored columns */ - mem_heap_t* heap); /* in: memory heap from which + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*********************************************************************** Converts an index record to a typed data tuple. NOTE that externally -stored (often big) fields are NOT copied to heap. */ +stored (often big) fields are NOT copied to heap. +@return own: index entry built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_rec_to_index_entry( /*===================*/ - /* out, own: index entry - built; see the NOTE below! */ - ulint type, /* in: ROW_COPY_DATA, or + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: the former copies also the data fields to heap as the latter only places pointers to data fields on the index page */ - const rec_t* rec, /* in: record in the index; + const rec_t* rec, /*!< in: record in the index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point @@ -169,34 +161,33 @@ row_rec_to_index_entry( this record must be at least s-latched and the latch held as long as the dtuple is used! */ - const dict_index_t* index, /* in: index */ - ulint* offsets,/* in/out: rec_get_offsets(rec) */ - ulint* n_ext, /* out: number of externally + const dict_index_t* index, /*!< in: index */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ + ulint* n_ext, /*!< out: number of externally stored columns */ - mem_heap_t* heap); /* in: memory heap from which + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*********************************************************************** Builds from a secondary index record a row reference with which we can -search the clustered index record. */ +search the clustered index record. +@return own: row reference built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_build_row_ref( /*==============*/ - /* out, own: row reference built; see the - NOTE below! */ - ulint type, /* in: ROW_COPY_DATA, or ROW_COPY_POINTERS: + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: the former copies also the data fields to heap, whereas the latter only places pointers to data fields on the index page */ - dict_index_t* index, /* in: secondary index */ - const rec_t* rec, /* in: record in the index; + dict_index_t* index, /*!< in: secondary index */ + const rec_t* rec, /*!< in: record in the index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point directly into this record, therefore, the buffer page of this record must be at least s-latched and the latch held as long as the row reference is used! */ - mem_heap_t* heap); /* in: memory heap from which the memory + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*********************************************************************** Builds from a secondary index record a row reference with which we can @@ -205,9 +196,9 @@ UNIV_INTERN void row_build_row_ref_in_tuple( /*=======================*/ - dtuple_t* ref, /* in/out: row reference built; + dtuple_t* ref, /*!< in/out: row reference built; see the NOTE below! */ - const rec_t* rec, /* in: record in the index; + const rec_t* rec, /*!< in: record in the index; NOTE: the data fields in ref will point directly into this record, therefore, the buffer @@ -215,10 +206,10 @@ row_build_row_ref_in_tuple( least s-latched and the latch held as long as the row reference is used! */ - const dict_index_t* index, /* in: secondary index */ - ulint* offsets,/* in: rec_get_offsets(rec, index) + const dict_index_t* index, /*!< in: secondary index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) or NULL */ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /*********************************************************************** From a row build a row reference with which we can search the clustered index record. */ @@ -226,12 +217,12 @@ UNIV_INTERN void row_build_row_ref_from_row( /*=======================*/ - dtuple_t* ref, /* in/out: row reference built; + dtuple_t* ref, /*!< in/out: row reference built; see the NOTE below! ref must have the right number of fields! */ - const dict_table_t* table, /* in: table */ - const dtuple_t* row); /* in: row + const dict_table_t* table, /*!< in: table */ + const dtuple_t* row); /*!< in: row NOTE: the data fields in ref will point directly into data of this row */ /*********************************************************************** @@ -241,42 +232,42 @@ UNIV_INLINE void row_build_row_ref_fast( /*===================*/ - dtuple_t* ref, /* in/out: typed data tuple where the + dtuple_t* ref, /*!< in/out: typed data tuple where the reference is built */ - const ulint* map, /* in: array of field numbers in rec + const ulint* map, /*!< in: array of field numbers in rec telling how ref should be built from the fields of rec */ - const rec_t* rec, /* in: record in the index; must be + const rec_t* rec, /*!< in: record in the index; must be preserved while ref is used, as we do not copy field values to heap */ - const ulint* offsets);/* in: array returned by rec_get_offsets() */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ /******************************************************************* Searches the clustered index record for a row, if we have the row -reference. */ +reference. +@return TRUE if found */ UNIV_INTERN ibool row_search_on_row_ref( /*==================*/ - /* out: TRUE if found */ - btr_pcur_t* pcur, /* out: persistent cursor, which must + btr_pcur_t* pcur, /*!< out: persistent cursor, which must be closed by the caller */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - const dict_table_t* table, /* in: table */ - const dtuple_t* ref, /* in: row reference */ - mtr_t* mtr); /* in/out: mtr */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const dict_table_t* table, /*!< in: table */ + const dtuple_t* ref, /*!< in: row reference */ + mtr_t* mtr); /*!< in/out: mtr */ /************************************************************************* Fetches the clustered index record for a secondary index record. The latches -on the secondary index record are preserved. */ +on the secondary index record are preserved. +@return record or NULL, if no record found */ UNIV_INTERN rec_t* row_get_clust_rec( /*==============*/ - /* out: record or NULL, if no record found */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - const rec_t* rec, /* in: record in a secondary index */ - dict_index_t* index, /* in: secondary index */ - dict_index_t** clust_index,/* out: clustered index */ - mtr_t* mtr); /* in: mtr */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: secondary index */ + dict_index_t** clust_index,/*!< out: clustered index */ + mtr_t* mtr); /*!< in: mtr */ /* Result of row_search_index_entry */ enum row_search_result { @@ -294,19 +285,18 @@ enum row_search_result { }; /******************************************************************* -Searches an index record. */ +Searches an index record. +@return whether the record was found or buffered */ UNIV_INTERN enum row_search_result row_search_index_entry( /*===================*/ - /* out: whether the record was found - or buffered */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: index entry */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - btr_pcur_t* pcur, /* in/out: persistent cursor, which must + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: index entry */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must be closed by the caller */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ #define ROW_COPY_DATA 1 @@ -326,19 +316,18 @@ Formats the raw data in "data" (in InnoDB on-disk format) using Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ UNIV_INTERN ulint row_raw_format( /*===========*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - const dict_field_t* dict_field, /* in: index field */ - char* buf, /* out: output buffer */ - ulint buf_size); /* in: output buffer size + const dict_field_t* dict_field, /*!< in: index field */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size in bytes */ #ifndef UNIV_NONINL diff --git a/include/row0row.ic b/include/row0row.ic index d81eeac84d7..dd4378252ed 100644 --- a/include/row0row.ic +++ b/include/row0row.ic @@ -27,15 +27,15 @@ Created 4/20/1996 Heikki Tuuri #include "trx0undo.h" /************************************************************************* -Reads the trx id field from a clustered index record. */ +Reads the trx id field from a clustered index record. +@return value of the field */ UNIV_INLINE trx_id_t row_get_rec_trx_id( /*===============*/ - /* out: value of the field */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint offset; @@ -52,15 +52,15 @@ row_get_rec_trx_id( } /************************************************************************* -Reads the roll pointer field from a clustered index record. */ +Reads the roll pointer field from a clustered index record. +@return value of the field */ UNIV_INLINE roll_ptr_t row_get_rec_roll_ptr( /*=================*/ - /* out: value of the field */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint offset; @@ -83,15 +83,15 @@ UNIV_INLINE void row_build_row_ref_fast( /*===================*/ - dtuple_t* ref, /* in/out: typed data tuple where the + dtuple_t* ref, /*!< in/out: typed data tuple where the reference is built */ - const ulint* map, /* in: array of field numbers in rec + const ulint* map, /*!< in: array of field numbers in rec telling how ref should be built from the fields of rec */ - const rec_t* rec, /* in: record in the index; must be + const rec_t* rec, /*!< in: record in the index; must be preserved while ref is used, as we do not copy field values to heap */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { dfield_t* dfield; const byte* field; diff --git a/include/row0sel.h b/include/row0sel.h index 4c839764410..e6f4d1f7b0e 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -38,13 +38,13 @@ Created 12/19/1997 Heikki Tuuri #include "row0mysql.h" /************************************************************************* -Creates a select node struct. */ +Creates a select node struct. +@return own: select node struct */ UNIV_INTERN sel_node_t* sel_node_create( /*============*/ - /* out, own: select node struct */ - mem_heap_t* heap); /* in: memory heap where created */ + mem_heap_t* heap); /*!< in: memory heap where created */ /************************************************************************* Frees the memory private to a select node when a query graph is freed, does not free the heap where the node was originally created. */ @@ -52,7 +52,7 @@ UNIV_INTERN void sel_node_free_private( /*==================*/ - sel_node_t* node); /* in: select node struct */ + sel_node_t* node); /*!< in: select node struct */ /************************************************************************* Frees a prefetch buffer for a column, including the dynamically allocated memory for data stored there. */ @@ -60,69 +60,69 @@ UNIV_INTERN void sel_col_prefetch_buf_free( /*======================*/ - sel_buf_t* prefetch_buf); /* in, own: prefetch buffer */ + sel_buf_t* prefetch_buf); /*!< in, own: prefetch buffer */ /************************************************************************* -Gets the plan node for the nth table in a join. */ +Gets the plan node for the nth table in a join. +@return plan node */ UNIV_INLINE plan_t* sel_node_get_nth_plan( /*==================*/ - /* out: plan node */ - sel_node_t* node, /* in: select node */ - ulint i); /* in: get ith plan node */ + sel_node_t* node, /*!< in: select node */ + ulint i); /*!< in: get ith plan node */ /************************************************************************** Performs a select step. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_sel_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs an execution step of an open or close cursor statement node. */ +Performs an execution step of an open or close cursor statement node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* open_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** -Performs a fetch for a cursor. */ +Performs a fetch for a cursor. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* fetch_step( /*=======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /******************************************************************** -Sample callback function for fetch that prints each row.*/ +Sample callback function for fetch that prints each row. +@return always returns non-NULL */ UNIV_INTERN void* row_fetch_print( /*============*/ - /* out: always returns non-NULL */ - void* row, /* in: sel_node_t* */ - void* user_arg); /* in: not used */ + void* row, /*!< in: sel_node_t* */ + void* user_arg); /*!< in: not used */ /******************************************************************** Callback function for fetch that stores an unsigned 4 byte integer to the location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length -= 4. */ += 4. +@return always returns NULL */ UNIV_INTERN void* row_fetch_store_uint4( /*==================*/ - /* out: always returns NULL */ - void* row, /* in: sel_node_t* */ - void* user_arg); /* in: data pointer */ + void* row, /*!< in: sel_node_t* */ + void* user_arg); /*!< in: data pointer */ /*************************************************************** -Prints a row in a select result. */ +Prints a row in a select result. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_printf_step( /*============*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /******************************************************************** Converts a key value stored in MySQL format to an Innobase dtuple. The last field of the key value may be just a prefix of a fixed length field: hence @@ -133,72 +133,66 @@ UNIV_INTERN void row_sel_convert_mysql_key_to_innobase( /*==================================*/ - dtuple_t* tuple, /* in/out: tuple where to build; + dtuple_t* tuple, /*!< in/out: tuple where to build; NOTE: we assume that the type info in the tuple is already according to index! */ - byte* buf, /* in: buffer to use in field + byte* buf, /*!< in: buffer to use in field conversions */ - ulint buf_len, /* in: buffer length */ - dict_index_t* index, /* in: index of the key value */ - const byte* key_ptr, /* in: MySQL key value */ - ulint key_len, /* in: MySQL key value length */ - trx_t* trx); /* in: transaction */ + ulint buf_len, /*!< in: buffer length */ + dict_index_t* index, /*!< in: index of the key value */ + const byte* key_ptr, /*!< in: MySQL key value */ + ulint key_len, /*!< in: MySQL key value length */ + trx_t* trx); /*!< in: transaction */ /************************************************************************ Searches for rows in the database. This is used in the interface to MySQL. This function opens a cursor, and also implements fetch next and fetch prev. NOTE that if we do a search with a full key value from a unique index (ROW_SEL_EXACT), then we will not store the cursor -position and fetch next or fetch prev must not be tried to the cursor! */ +position and fetch next or fetch prev must not be tried to the cursor! +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, DB_LOCK_TABLE_FULL, or DB_TOO_BIG_RECORD */ UNIV_INTERN ulint row_search_for_mysql( /*=================*/ - /* out: DB_SUCCESS, - DB_RECORD_NOT_FOUND, - DB_END_OF_INDEX, DB_DEADLOCK, - DB_LOCK_TABLE_FULL, - or DB_TOO_BIG_RECORD */ - byte* buf, /* in/out: buffer for the fetched + byte* buf, /*!< in/out: buffer for the fetched row in the MySQL format */ - ulint mode, /* in: search mode PAGE_CUR_L, ... */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct for the + ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the table handle; this contains the info of search_tuple, index; if search tuple contains 0 fields then we position the cursor at the start or the end of the index, depending on 'mode' */ - ulint match_mode, /* in: 0 or ROW_SEL_EXACT or + ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or ROW_SEL_EXACT_PREFIX */ - ulint direction); /* in: 0 or ROW_SEL_NEXT or + ulint direction); /*!< in: 0 or ROW_SEL_NEXT or ROW_SEL_PREV; NOTE: if this is != 0, then prebuilt must have a pcur with stored position! In opening of a cursor 'direction' should be 0. */ /*********************************************************************** Checks if MySQL at the moment is allowed for this table to retrieve a -consistent read result, or store it to the query cache. */ +consistent read result, or store it to the query cache. +@return TRUE if storing or retrieving from the query cache is permitted */ UNIV_INTERN ibool row_search_check_if_query_cache_permitted( /*======================================*/ - /* out: TRUE if storing or retrieving - from the query cache is permitted */ - trx_t* trx, /* in: transaction object */ - const char* norm_name); /* in: concatenation of database name, + trx_t* trx, /*!< in: transaction object */ + const char* norm_name); /*!< in: concatenation of database name, '/' char, table name */ /*********************************************************************** -Read the max AUTOINC value from an index. */ +Read the max AUTOINC value from an index. +@return DB_SUCCESS if all OK else error code */ UNIV_INTERN ulint row_search_max_autoinc( /*===================*/ - /* out: DB_SUCCESS if all OK else - error code */ - dict_index_t* index, /* in: index to search */ - const char* col_name, /* in: autoinc column name */ - ib_uint64_t* value); /* out: AUTOINC value read */ + dict_index_t* index, /*!< in: index to search */ + const char* col_name, /*!< in: autoinc column name */ + ib_uint64_t* value); /*!< out: AUTOINC value read */ /* A structure for caching column values for prefetched rows */ struct sel_buf_struct{ diff --git a/include/row0sel.ic b/include/row0sel.ic index a21181e3237..dcbcafba3b2 100644 --- a/include/row0sel.ic +++ b/include/row0sel.ic @@ -25,14 +25,14 @@ Created 12/19/1997 Heikki Tuuri #include "que0que.h" /************************************************************************* -Gets the plan node for the nth table in a join. */ +Gets the plan node for the nth table in a join. +@return plan node */ UNIV_INLINE plan_t* sel_node_get_nth_plan( /*==================*/ - /* out: plan node */ - sel_node_t* node, /* in: select node */ - ulint i) /* in: get ith plan node */ + sel_node_t* node, /*!< in: select node */ + ulint i) /*!< in: get ith plan node */ { ut_ad(i < node->n_tables); @@ -47,19 +47,19 @@ UNIV_INLINE void sel_node_reset_cursor( /*==================*/ - sel_node_t* node) /* in: select node */ + sel_node_t* node) /*!< in: select node */ { node->state = SEL_NODE_OPEN; } /************************************************************************** -Performs an execution step of an open or close cursor statement node. */ +Performs an execution step of an open or close cursor statement node. +@return query thread to run next or NULL */ UNIV_INLINE que_thr_t* open_step( /*======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { sel_node_t* sel_node; open_node_t* node; diff --git a/include/row0uins.h b/include/row0uins.h index 16bbbbd0d12..86edf70f256 100644 --- a/include/row0uins.h +++ b/include/row0uins.h @@ -38,13 +38,13 @@ Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete marked, at the time of the insert. InnoDB is eager in a rollback: if it figures out that an index record will be removed in the purge -anyway, it will remove it in the rollback. */ +anyway, it will remove it in the rollback. +@return DB_SUCCESS */ UNIV_INTERN ulint row_undo_ins( /*=========*/ - /* out: DB_SUCCESS */ - undo_node_t* node); /* in: row undo node */ + undo_node_t* node); /*!< in: row undo node */ #ifndef UNIV_NONINL #include "row0uins.ic" diff --git a/include/row0umod.h b/include/row0umod.h index 3a4e8c2f9a3..7b4d8b6c2e3 100644 --- a/include/row0umod.h +++ b/include/row0umod.h @@ -34,14 +34,14 @@ Created 2/27/1997 Heikki Tuuri #include "mtr0mtr.h" /*************************************************************** -Undoes a modify operation on a row of a table. */ +Undoes a modify operation on a row of a table. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_undo_mod( /*=========*/ - /* out: DB_SUCCESS or error code */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr); /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr); /*!< in: query thread */ #ifndef UNIV_NONINL diff --git a/include/row0undo.h b/include/row0undo.h index a7ac811854f..eda48477db0 100644 --- a/include/row0undo.h +++ b/include/row0undo.h @@ -36,37 +36,35 @@ Created 1/8/1997 Heikki Tuuri #include "row0types.h" /************************************************************************ -Creates a row undo node to a query graph. */ +Creates a row undo node to a query graph. +@return own: undo node */ UNIV_INTERN undo_node_t* row_undo_node_create( /*=================*/ - /* out, own: undo node */ - trx_t* trx, /* in: transaction */ - que_thr_t* parent, /* in: parent node, i.e., a thr node */ - mem_heap_t* heap); /* in: memory heap where created */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap); /*!< in: memory heap where created */ /*************************************************************** Looks for the clustered index record when node has the row reference. The pcur in node is used in the search. If found, stores the row to node, and stores the position of pcur, and detaches it. The pcur must be closed -by the caller in any case. */ +by the caller in any case. +@return TRUE if found; NOTE the node->pcur must be closed by the caller, regardless of the return value */ UNIV_INTERN ibool row_undo_search_clust_to_pcur( /*==========================*/ - /* out: TRUE if found; NOTE the node->pcur - must be closed by the caller, regardless of - the return value */ - undo_node_t* node); /* in: row undo node */ + undo_node_t* node); /*!< in: row undo node */ /*************************************************************** Undoes a row operation in a table. This is a high-level function used -in SQL execution graphs. */ +in SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_undo_step( /*==========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /* A single query thread will try to perform the undo for all successive versions of a clustered index record, if the transaction has modified it diff --git a/include/row0upd.h b/include/row0upd.h index 004a5c9b9ac..4b4e3ed1fef 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -39,33 +39,33 @@ Created 12/27/1996 Heikki Tuuri #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Creates an update vector object. */ +Creates an update vector object. +@return own: update vector object */ UNIV_INLINE upd_t* upd_create( /*=======*/ - /* out, own: update vector object */ - ulint n, /* in: number of fields */ - mem_heap_t* heap); /* in: heap from which memory allocated */ + ulint n, /*!< in: number of fields */ + mem_heap_t* heap); /*!< in: heap from which memory allocated */ /************************************************************************* Returns the number of fields in the update vector == number of columns -to be updated by an update vector. */ +to be updated by an update vector. +@return number of fields */ UNIV_INLINE ulint upd_get_n_fields( /*=============*/ - /* out: number of fields */ - const upd_t* update); /* in: update vector */ + const upd_t* update); /*!< in: update vector */ #ifdef UNIV_DEBUG /************************************************************************* -Returns the nth field of an update vector. */ +Returns the nth field of an update vector. +@return update vector field */ UNIV_INLINE upd_field_t* upd_get_nth_field( /*==============*/ - /* out: update vector field */ - const upd_t* update, /* in: update vector */ - ulint n); /* in: field position in update vector */ + const upd_t* update, /*!< in: update vector */ + ulint n); /*!< in: field position in update vector */ #else # define upd_get_nth_field(update, n) ((update)->fields + (n)) #endif @@ -76,35 +76,35 @@ UNIV_INLINE void upd_field_set_field_no( /*===================*/ - upd_field_t* upd_field, /* in: update vector field */ - ulint field_no, /* in: field number in a clustered + upd_field_t* upd_field, /*!< in: update vector field */ + ulint field_no, /*!< in: field number in a clustered index */ - dict_index_t* index, /* in: index */ - trx_t* trx); /* in: transaction */ + dict_index_t* index, /*!< in: index */ + trx_t* trx); /*!< in: transaction */ /************************************************************************* -Returns a field of an update vector by field_no. */ +Returns a field of an update vector by field_no. +@return update vector field, or NULL */ UNIV_INLINE const upd_field_t* upd_get_field_by_field_no( /*======================*/ - /* out: update vector field, or NULL */ - const upd_t* update, /* in: update vector */ - ulint no) /* in: field_no */ + const upd_t* update, /*!< in: update vector */ + ulint no) /*!< in: field_no */ __attribute__((nonnull, pure)); /************************************************************************* Writes into the redo log the values of trx id and roll ptr and enough info -to determine their positions within a clustered index record. */ +to determine their positions within a clustered index record. +@return new pointer to mlog */ UNIV_INTERN byte* row_upd_write_sys_vals_to_log( /*==========================*/ - /* out: new pointer to mlog */ - dict_index_t* index, /* in: clustered index */ - trx_t* trx, /* in: transaction */ - roll_ptr_t roll_ptr,/* in: roll ptr of the undo log record */ - byte* log_ptr,/* pointer to a buffer of size > 20 opened + dict_index_t* index, /*!< in: clustered index */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ + byte* log_ptr,/*!< pointer to a buffer of size > 20 opened in mlog */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************* Updates the trx id and roll ptr field in a clustered index record when a row is updated or marked deleted. */ @@ -112,59 +112,57 @@ UNIV_INLINE void row_upd_rec_sys_fields( /*===================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - trx_t* trx, /* in: transaction */ - roll_ptr_t roll_ptr);/* in: roll ptr of the undo log record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ /************************************************************************* Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN void row_upd_index_entry_sys_field( /*==========================*/ - const dtuple_t* entry, /* in: index entry, where the memory buffers + const dtuple_t* entry, /*!< in: index entry, where the memory buffers for sys fields are already allocated: the function just copies the new values to them */ - dict_index_t* index, /* in: clustered index */ - ulint type, /* in: DATA_TRX_ID or DATA_ROLL_PTR */ - dulint val); /* in: value to write */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ + dulint val); /*!< in: value to write */ /************************************************************************* -Creates an update node for a query graph. */ +Creates an update node for a query graph. +@return own: update node */ UNIV_INTERN upd_node_t* upd_node_create( /*============*/ - /* out, own: update node */ - mem_heap_t* heap); /* in: mem heap where created */ + mem_heap_t* heap); /*!< in: mem heap where created */ /*************************************************************** Writes to the redo log the new values of the fields occurring in the index. */ UNIV_INTERN void row_upd_index_write_log( /*====================*/ - const upd_t* update, /* in: update vector */ - byte* log_ptr,/* in: pointer to mlog buffer: must + const upd_t* update, /*!< in: update vector */ + byte* log_ptr,/*!< in: pointer to mlog buffer: must contain at least MLOG_BUF_MARGIN bytes of free space; the buffer is closed within this function */ - mtr_t* mtr); /* in: mtr into whose log to write */ + mtr_t* mtr); /*!< in: mtr into whose log to write */ /*************************************************************** Returns TRUE if row update changes size of some field in index or if some -field to be updated is stored externally in rec or update. */ +field to be updated is stored externally in rec or update. +@return TRUE if the update changes the size of some field in index or the field is external in rec or update */ UNIV_INTERN ibool row_upd_changes_field_size_or_external( /*===================================*/ - /* out: TRUE if the update changes the size of - some field in index or the field is external - in rec or update */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - const upd_t* update);/* in: update vector */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update);/*!< in: update vector */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** Replaces the new column values stored in the update vector to the record @@ -173,43 +171,41 @@ UNIV_INTERN void row_upd_rec_in_place( /*=================*/ - rec_t* rec, /* in/out: record where replaced */ - dict_index_t* index, /* in: the index the record belongs to */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - const upd_t* update, /* in: update vector */ - page_zip_des_t* page_zip);/* in: compressed page with enough space + rec_t* rec, /*!< in/out: record where replaced */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + page_zip_des_t* page_zip);/*!< in: compressed page with enough space available, or NULL */ #ifndef UNIV_HOTBACKUP /******************************************************************* Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare -the fields as binary strings! */ +the fields as binary strings! +@return own: update vector of differing fields */ UNIV_INTERN upd_t* row_upd_build_sec_rec_difference_binary( /*====================================*/ - /* out, own: update vector of differing - fields */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: entry to insert */ - const rec_t* rec, /* in: secondary index record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap); /* in: memory heap from which allocated */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: secondary index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ /******************************************************************* Builds an update vector from those fields, excluding the roll ptr and trx id fields, which in an index entry differ from a record that has -the equal ordering fields. NOTE: we compare the fields as binary strings! */ +the equal ordering fields. NOTE: we compare the fields as binary strings! +@return own: update vector of differing fields, excluding roll ptr and trx id */ UNIV_INTERN upd_t* row_upd_build_difference_binary( /*============================*/ - /* out, own: update vector of differing - fields, excluding roll ptr and trx id */ - dict_index_t* index, /* in: clustered index */ - const dtuple_t* entry, /* in: entry to insert */ - const rec_t* rec, /* in: clustered index record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap); /* in: memory heap from which allocated */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: clustered index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ /*************************************************************** Replaces the new column values stored in the update vector to the index entry given. */ @@ -217,20 +213,20 @@ UNIV_INTERN void row_upd_index_replace_new_col_vals_index_pos( /*=========================================*/ - dtuple_t* entry, /* in/out: index entry where replaced; + dtuple_t* entry, /*!< in/out: index entry where replaced; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - dict_index_t* index, /* in: index; NOTE that this may also be a + dict_index_t* index, /*!< in: index; NOTE that this may also be a non-clustered index */ - const upd_t* update, /* in: an update vector built for the index so + const upd_t* update, /*!< in: an update vector built for the index so that the field number in an upd_field is the index position */ ibool order_only, - /* in: if TRUE, limit the replacement to + /*!< in: if TRUE, limit the replacement to ordering fields of index; note that this does not work for non-clustered indexes. */ - mem_heap_t* heap) /* in: memory heap for allocating and + mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ __attribute__((nonnull)); /*************************************************************** @@ -240,16 +236,16 @@ UNIV_INTERN void row_upd_index_replace_new_col_vals( /*===============================*/ - dtuple_t* entry, /* in/out: index entry where replaced; + dtuple_t* entry, /*!< in/out: index entry where replaced; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - dict_index_t* index, /* in: index; NOTE that this may also be a + dict_index_t* index, /*!< in: index; NOTE that this may also be a non-clustered index */ - const upd_t* update, /* in: an update vector built for the + const upd_t* update, /*!< in: an update vector built for the CLUSTERED index so that the field number in an upd_field is the clustered index position */ - mem_heap_t* heap) /* in: memory heap for allocating and + mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ __attribute__((nonnull)); /*************************************************************** @@ -258,74 +254,69 @@ UNIV_INTERN void row_upd_replace( /*============*/ - dtuple_t* row, /* in/out: row where replaced, + dtuple_t* row, /*!< in/out: row where replaced, indexed by col_no; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - row_ext_t** ext, /* out, own: NULL, or externally + row_ext_t** ext, /*!< out, own: NULL, or externally stored column prefixes */ - const dict_index_t* index, /* in: clustered index */ - const upd_t* update, /* in: an update vector built for the + const dict_index_t* index, /*!< in: clustered index */ + const upd_t* update, /*!< in: an update vector built for the clustered index */ - mem_heap_t* heap); /* in: memory heap */ + mem_heap_t* heap); /*!< in: memory heap */ /*************************************************************** Checks if an update vector changes an ordering field of an index record. This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! */ +NOTE: we compare the fields as binary strings! +@return TRUE if update vector changes an ordering field in the index record; NOTE: the fields are compared as binary strings */ UNIV_INTERN ibool row_upd_changes_ord_field_binary( /*=============================*/ - /* out: TRUE if update vector changes - an ordering field in the index record; - NOTE: the fields are compared as binary - strings */ - const dtuple_t* row, /* in: old value of row, or NULL if the + const dtuple_t* row, /*!< in: old value of row, or NULL if the row and the data values in update are not known when this function is called, e.g., at compile time */ - dict_index_t* index, /* in: index of the record */ - const upd_t* update);/* in: update vector for the row; NOTE: the + dict_index_t* index, /*!< in: index of the record */ + const upd_t* update);/*!< in: update vector for the row; NOTE: the field numbers in this MUST be clustered index positions! */ /*************************************************************** Checks if an update vector changes an ordering field of an index record. This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! */ +NOTE: we compare the fields as binary strings! +@return TRUE if update vector may change an ordering field in an index record */ UNIV_INTERN ibool row_upd_changes_some_index_ord_field_binary( /*========================================*/ - /* out: TRUE if update vector - may change an ordering field - in an index record */ - const dict_table_t* table, /* in: table */ - const upd_t* update);/* in: update vector for the row */ + const dict_table_t* table, /*!< in: table */ + const upd_t* update);/*!< in: update vector for the row */ /*************************************************************** Updates a row in a table. This is a high-level function used -in SQL execution graphs. */ +in SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_upd_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Parses the log data of system field values. */ +Parses the log data of system field values. +@return log data end or NULL */ UNIV_INTERN byte* row_upd_parse_sys_vals( /*===================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint* pos, /* out: TRX_ID position in record */ - trx_id_t* trx_id, /* out: trx id */ - roll_ptr_t* roll_ptr);/* out: roll ptr */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint* pos, /*!< out: TRX_ID position in record */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr);/*!< out: roll ptr */ /************************************************************************* Updates the trx id and roll ptr field in a clustered index record in database recovery. */ @@ -333,24 +324,24 @@ UNIV_INTERN void row_upd_rec_sys_fields_in_recovery( /*===============================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint pos, /* in: TRX_ID position in rec */ - trx_id_t trx_id, /* in: transaction id */ - roll_ptr_t roll_ptr);/* in: roll ptr of the undo log record */ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint pos, /*!< in: TRX_ID position in rec */ + trx_id_t trx_id, /*!< in: transaction id */ + roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ /************************************************************************* -Parses the log data written by row_upd_index_write_log. */ +Parses the log data written by row_upd_index_write_log. +@return log data end or NULL */ UNIV_INTERN byte* row_upd_index_parse( /*================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - mem_heap_t* heap, /* in: memory heap where update vector is + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + mem_heap_t* heap, /*!< in: memory heap where update vector is built */ - upd_t** update_out);/* out: update vector */ + upd_t** update_out);/*!< out: update vector */ /* Update vector field */ diff --git a/include/row0upd.ic b/include/row0upd.ic index 550a7f8efb2..e74ffea72a7 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -32,14 +32,14 @@ Created 12/27/1996 Heikki Tuuri #include "page0zip.h" /************************************************************************* -Creates an update vector object. */ +Creates an update vector object. +@return own: update vector object */ UNIV_INLINE upd_t* upd_create( /*=======*/ - /* out, own: update vector object */ - ulint n, /* in: number of fields */ - mem_heap_t* heap) /* in: heap from which memory allocated */ + ulint n, /*!< in: number of fields */ + mem_heap_t* heap) /*!< in: heap from which memory allocated */ { upd_t* update; @@ -55,13 +55,13 @@ upd_create( /************************************************************************* Returns the number of fields in the update vector == number of columns -to be updated by an update vector. */ +to be updated by an update vector. +@return number of fields */ UNIV_INLINE ulint upd_get_n_fields( /*=============*/ - /* out: number of fields */ - const upd_t* update) /* in: update vector */ + const upd_t* update) /*!< in: update vector */ { ut_ad(update); @@ -70,14 +70,14 @@ upd_get_n_fields( #ifdef UNIV_DEBUG /************************************************************************* -Returns the nth field of an update vector. */ +Returns the nth field of an update vector. +@return update vector field */ UNIV_INLINE upd_field_t* upd_get_nth_field( /*==============*/ - /* out: update vector field */ - const upd_t* update, /* in: update vector */ - ulint n) /* in: field position in update vector */ + const upd_t* update, /*!< in: update vector */ + ulint n) /*!< in: field position in update vector */ { ut_ad(update); ut_ad(n < update->n_fields); @@ -93,11 +93,11 @@ UNIV_INLINE void upd_field_set_field_no( /*===================*/ - upd_field_t* upd_field, /* in: update vector field */ - ulint field_no, /* in: field number in a clustered + upd_field_t* upd_field, /*!< in: update vector field */ + ulint field_no, /*!< in: field number in a clustered index */ - dict_index_t* index, /* in: index */ - trx_t* trx) /* in: transaction */ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction */ { upd_field->field_no = field_no; upd_field->orig_len = 0; @@ -117,14 +117,14 @@ upd_field_set_field_no( } /************************************************************************* -Returns a field of an update vector by field_no. */ +Returns a field of an update vector by field_no. +@return update vector field, or NULL */ UNIV_INLINE const upd_field_t* upd_get_field_by_field_no( /*======================*/ - /* out: update vector field, or NULL */ - const upd_t* update, /* in: update vector */ - ulint no) /* in: field_no */ + const upd_t* update, /*!< in: update vector */ + ulint no) /*!< in: field_no */ { ulint i; for (i = 0; i < upd_get_n_fields(update); i++) { @@ -146,13 +146,13 @@ UNIV_INLINE void row_upd_rec_sys_fields( /*===================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be updated, or NULL */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - trx_t* trx, /* in: transaction */ - roll_ptr_t roll_ptr)/* in: roll ptr of the undo log record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ { ut_ad(dict_index_is_clust(index)); ut_ad(rec_offs_validate(rec, index, offsets)); diff --git a/include/row0vers.h b/include/row0vers.h index cfe021581a0..88ddb19dd8e 100644 --- a/include/row0vers.h +++ b/include/row0vers.h @@ -37,28 +37,25 @@ Created 2/6/1997 Heikki Tuuri /********************************************************************* Finds out if an active transaction has inserted or modified a secondary index record. NOTE: the kernel mutex is temporarily released in this -function! */ +function! +@return NULL if committed, else the active transaction; NOTE that the kernel mutex is temporarily released! */ UNIV_INTERN trx_t* row_vers_impl_x_locked_off_kernel( /*==============================*/ - /* out: NULL if committed, else the active - transaction; NOTE that the kernel mutex is - temporarily released! */ - const rec_t* rec, /* in: record in a secondary index */ - dict_index_t* index, /* in: the secondary index */ - const ulint* offsets);/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: the secondary index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ /********************************************************************* Finds out if we must preserve a delete marked earlier version of a clustered -index record, because it is >= the purge view. */ +index record, because it is >= the purge view. +@return TRUE if earlier version should be preserved */ UNIV_INTERN ibool row_vers_must_preserve_del_marked( /*==============================*/ - /* out: TRUE if earlier version should - be preserved */ - trx_id_t trx_id, /* in: transaction id in the version */ - mtr_t* mtr); /* in: mtr holding the latch on the + trx_id_t trx_id, /*!< in: transaction id in the version */ + mtr_t* mtr); /*!< in: mtr holding the latch on the clustered index record; it will also hold the latch on purge_view */ /********************************************************************* @@ -66,73 +63,73 @@ Finds out if a version of the record, where the version >= the current purge view, should have ientry as its secondary index entry. We check if there is any not delete marked version of the record where the trx id >= purge view, and the secondary index entry == ientry; exactly in -this case we return TRUE. */ +this case we return TRUE. +@return TRUE if earlier version should have */ UNIV_INTERN ibool row_vers_old_has_index_entry( /*=========================*/ - /* out: TRUE if earlier version should have */ - ibool also_curr,/* in: TRUE if also rec is included in the + ibool also_curr,/*!< in: TRUE if also rec is included in the versions to search; otherwise only versions prior to it are searched */ - const rec_t* rec, /* in: record in the clustered index; the + const rec_t* rec, /*!< in: record in the clustered index; the caller must have a latch on the page */ - mtr_t* mtr, /* in: mtr holding the latch on rec; it will + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will also hold the latch on purge_view */ - dict_index_t* index, /* in: the secondary index */ - const dtuple_t* ientry);/* in: the secondary index entry */ + dict_index_t* index, /*!< in: the secondary index */ + const dtuple_t* ientry);/*!< in: the secondary index entry */ /********************************************************************* Constructs the version of a clustered index record which a consistent read should see. We assume that the trx id stored in rec is such that -the consistent read should not see rec in its present version. */ +the consistent read should not see rec in its present version. +@return DB_SUCCESS or DB_MISSING_HISTORY */ UNIV_INTERN ulint row_vers_build_for_consistent_read( /*===============================*/ - /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - const rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /*!< in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ - mtr_t* mtr, /* in: mtr holding the latch on rec; it will + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will also hold the latch on purge_view */ - dict_index_t* index, /* in: the clustered index */ - ulint** offsets,/* in/out: offsets returned by + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by rec_get_offsets(rec, index) */ - read_view_t* view, /* in: the consistent read view */ - mem_heap_t** offset_heap,/* in/out: memory heap from which + read_view_t* view, /*!< in: the consistent read view */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which the offsets are allocated */ - mem_heap_t* in_heap,/* in: memory heap from which the memory for + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - rec_t** old_vers);/* out, own: old version, or NULL if the + rec_t** old_vers);/*!< out, own: old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ /********************************************************************* Constructs the last committed version of a clustered index record, -which should be seen by a semi-consistent read. */ +which should be seen by a semi-consistent read. +@return DB_SUCCESS or DB_MISSING_HISTORY */ UNIV_INTERN ulint row_vers_build_for_semi_consistent_read( /*====================================*/ - /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - const rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /*!< in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ - mtr_t* mtr, /* in: mtr holding the latch on rec */ - dict_index_t* index, /* in: the clustered index */ - ulint** offsets,/* in/out: offsets returned by + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by rec_get_offsets(rec, index) */ - mem_heap_t** offset_heap,/* in/out: memory heap from which + mem_heap_t** offset_heap,/*!< in/out: memory heap from which the offsets are allocated */ - mem_heap_t* in_heap,/* in: memory heap from which the memory for + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - const rec_t** old_vers);/* out: rec, old version, or NULL if the + const rec_t** old_vers);/*!< out: rec, old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ diff --git a/include/srv0que.h b/include/srv0que.h index 88db1a013f6..08e1a6f7da7 100644 --- a/include/srv0que.h +++ b/include/srv0que.h @@ -39,14 +39,13 @@ srv_que_task_queue_check(void); /*==========================*/ /************************************************************************** Performs round-robin on the server tasks. This is called by a SRV_WORKER -thread every second or so. */ +thread every second or so. +@return the new (may be == thr) query thread to run */ UNIV_INTERN que_thr_t* srv_que_round_robin( /*================*/ - /* out: the new (may be == thr) query thread - to run */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** Enqueues a task to server task queue and releases a worker thread, if there exists one suspended. */ @@ -54,7 +53,7 @@ UNIV_INTERN void srv_que_task_enqueue( /*=================*/ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** Enqueues a task to server task queue and releases a worker thread, if there exists one suspended. */ @@ -62,7 +61,7 @@ UNIV_INTERN void srv_que_task_enqueue_low( /*=====================*/ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ #endif diff --git a/include/srv0srv.h b/include/srv0srv.h index 247070b9572..9d137f6991c 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -344,12 +344,12 @@ enum srv_thread_type { }; /************************************************************************* -Boots Innobase server. */ +Boots Innobase server. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint srv_boot(void); /*==========*/ - /* out: DB_SUCCESS or error code */ /************************************************************************* Initializes the server. */ UNIV_INTERN @@ -370,49 +370,46 @@ void srv_general_init(void); /*==================*/ /************************************************************************* -Gets the number of threads in the system. */ +Gets the number of threads in the system. +@return sum of srv_n_threads[] */ UNIV_INTERN ulint srv_get_n_threads(void); /*===================*/ - /* out: sum of srv_n_threads[] */ /************************************************************************* -Returns the calling thread type. */ +Returns the calling thread type. +@return SRV_COM, ... */ enum srv_thread_type srv_get_thread_type(void); /*=====================*/ - /* out: SRV_COM, ... */ /************************************************************************* Sets the info describing an i/o thread current state. */ UNIV_INTERN void srv_set_io_thread_op_info( /*======================*/ - ulint i, /* in: the 'segment' of the i/o thread */ - const char* str); /* in: constant char string describing the + ulint i, /*!< in: the 'segment' of the i/o thread */ + const char* str); /*!< in: constant char string describing the state */ /************************************************************************* Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! */ +NOTE! The server mutex has to be reserved by the caller! +@return number of threads released: this may be < n if not enough threads were suspended at the moment */ UNIV_INTERN ulint srv_release_threads( /*================*/ - /* out: number of threads - released: this may be < n if - not enough threads were - suspended at the moment */ - enum srv_thread_type type, /* in: thread type */ - ulint n); /* in: number of threads to release */ + enum srv_thread_type type, /*!< in: thread type */ + ulint n); /*!< in: number of threads to release */ /************************************************************************* -The master thread controlling the server. */ +The master thread controlling the server. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_master_thread( /*==============*/ - /* out: a dummy parameter */ - void* arg); /* in: a dummy parameter required by + void* arg); /*!< in: a dummy parameter required by os_thread_create */ /*********************************************************************** Tells the Innobase server that there has been activity in the database @@ -437,7 +434,7 @@ UNIV_INTERN void srv_conc_enter_innodb( /*==================*/ - trx_t* trx); /* in: transaction object associated with the + trx_t* trx); /*!< in: transaction object associated with the thread */ /************************************************************************* This lets a thread enter InnoDB regardless of the number of threads inside @@ -446,7 +443,7 @@ UNIV_INTERN void srv_conc_force_enter_innodb( /*========================*/ - trx_t* trx); /* in: transaction object associated with the + trx_t* trx); /*!< in: transaction object associated with the thread */ /************************************************************************* This must be called when a thread exits InnoDB in a lock wait or at the @@ -455,7 +452,7 @@ UNIV_INTERN void srv_conc_force_exit_innodb( /*=======================*/ - trx_t* trx); /* in: transaction object associated with the + trx_t* trx); /*!< in: transaction object associated with the thread */ /************************************************************************* This must be called when a thread exits InnoDB. */ @@ -463,7 +460,7 @@ UNIV_INTERN void srv_conc_exit_innodb( /*=================*/ - trx_t* trx); /* in: transaction object associated with the + trx_t* trx); /*!< in: transaction object associated with the thread */ /******************************************************************* Puts a MySQL OS thread to wait for a lock to be released. If an error @@ -475,7 +472,7 @@ UNIV_INTERN void srv_suspend_mysql_thread( /*=====================*/ - que_thr_t* thr); /* in: query thread associated with the MySQL + que_thr_t* thr); /*!< in: query thread associated with the MySQL OS thread */ /************************************************************************ Releases a MySQL OS thread waiting for a lock to be released, if the @@ -484,27 +481,27 @@ UNIV_INTERN void srv_release_mysql_thread_if_suspended( /*==================================*/ - que_thr_t* thr); /* in: query thread associated with the + que_thr_t* thr); /*!< in: query thread associated with the MySQL OS thread */ /************************************************************************* A thread which wakes up threads whose lock wait may have lasted too long. -This also prints the info output by various InnoDB monitors. */ +This also prints the info output by various InnoDB monitors. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_lock_timeout_and_monitor_thread( /*================================*/ - /* out: a dummy parameter */ - void* arg); /* in: a dummy parameter required by + void* arg); /*!< in: a dummy parameter required by os_thread_create */ /************************************************************************* A thread which prints warnings about semaphore waits which have lasted -too long. These can be used to track bugs which cause hangs. */ +too long. These can be used to track bugs which cause hangs. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_error_monitor_thread( /*=====================*/ - /* out: a dummy parameter */ - void* arg); /* in: a dummy parameter required by + void* arg); /*!< in: a dummy parameter required by os_thread_create */ /********************************************************************** Outputs to a file the output of the InnoDB Monitor. */ @@ -512,10 +509,10 @@ UNIV_INTERN void srv_printf_innodb_monitor( /*======================*/ - FILE* file, /* in: output stream */ - ulint* trx_start, /* out: file position of the start of + FILE* file, /*!< in: output stream */ + ulint* trx_start, /*!< out: file position of the start of the list of active transactions */ - ulint* trx_end); /* out: file position of the end of + ulint* trx_end); /*!< out: file position of the end of the list of active transactions */ /********************************************************************** diff --git a/include/srv0start.h b/include/srv0start.h index 75689d8ed88..ad64f6b81c4 100644 --- a/include/srv0start.h +++ b/include/srv0start.h @@ -34,25 +34,25 @@ UNIV_INTERN void srv_normalize_path_for_win( /*=======================*/ - char* str); /* in/out: null-terminated character string */ + char* str); /*!< in/out: null-terminated character string */ /************************************************************************* Reads the data files and their sizes from a character string given in -the .cnf file. */ +the .cnf file. +@return TRUE if ok, FALSE on parse error */ UNIV_INTERN ibool srv_parse_data_file_paths_and_sizes( /*================================*/ - /* out: TRUE if ok, FALSE on parse error */ - char* str); /* in/out: the data file path string */ + char* str); /*!< in/out: the data file path string */ /************************************************************************* Reads log group home directories from a character string given in -the .cnf file. */ +the .cnf file. +@return TRUE if ok, FALSE on parse error */ UNIV_INTERN ibool srv_parse_log_group_home_dirs( /*==========================*/ - /* out: TRUE if ok, FALSE on parse error */ - char* str); /* in/out: character string */ + char* str); /*!< in/out: character string */ /************************************************************************* Frees the memory allocated by srv_parse_data_file_paths_and_sizes() and srv_parse_log_group_home_dirs(). */ @@ -62,30 +62,29 @@ srv_free_paths_and_sizes(void); /*==========================*/ /************************************************************************* Adds a slash or a backslash to the end of a string if it is missing -and the string is not empty. */ +and the string is not empty. +@return string which has the separator if the string is not empty */ UNIV_INTERN char* srv_add_path_separator_if_needed( /*=============================*/ - /* out: string which has the separator if the - string is not empty */ - char* str); /* in: null-terminated character string */ + char* str); /*!< in: null-terminated character string */ #ifndef UNIV_HOTBACKUP /******************************************************************** Starts Innobase and creates a new database if database files -are not found and the user wants. */ +are not found and the user wants. +@return DB_SUCCESS or error code */ UNIV_INTERN int innobase_start_or_create_for_mysql(void); /*====================================*/ - /* out: DB_SUCCESS or error code */ /******************************************************************** -Shuts down the Innobase database. */ +Shuts down the Innobase database. +@return DB_SUCCESS or error code */ UNIV_INTERN int innobase_shutdown_for_mysql(void); /*=============================*/ - /* out: DB_SUCCESS or error code */ extern ib_uint64_t srv_shutdown_lsn; extern ib_uint64_t srv_start_lsn; diff --git a/include/sync0arr.h b/include/sync0arr.h index cc01c9ac5c8..05284d25902 100644 --- a/include/sync0arr.h +++ b/include/sync0arr.h @@ -39,15 +39,15 @@ typedef struct sync_array_struct sync_array_t; /*********************************************************************** Creates a synchronization wait array. It is protected by a mutex which is automatically reserved when the functions operating on it -are called. */ +are called. +@return own: created wait array */ UNIV_INTERN sync_array_t* sync_array_create( /*==============*/ - /* out, own: created wait array */ - ulint n_cells, /* in: number of cells in the array + ulint n_cells, /*!< in: number of cells in the array to create */ - ulint protection); /* in: either SYNC_ARRAY_OS_MUTEX or + ulint protection); /*!< in: either SYNC_ARRAY_OS_MUTEX or SYNC_ARRAY_MUTEX: determines the type of mutex protecting the data structure */ /********************************************************************** @@ -56,7 +56,7 @@ UNIV_INTERN void sync_array_free( /*============*/ - sync_array_t* arr); /* in, own: sync wait array */ + sync_array_t* arr); /*!< in, own: sync wait array */ /********************************************************************** Reserves a wait array cell for waiting for an object. The event of the cell is reset to nonsignalled state. */ @@ -64,12 +64,12 @@ UNIV_INTERN void sync_array_reserve_cell( /*====================*/ - sync_array_t* arr, /* in: wait array */ - void* object, /* in: pointer to the object to wait for */ - ulint type, /* in: lock request type */ - const char* file, /* in: file where requested */ - ulint line, /* in: line where requested */ - ulint* index); /* out: index of the reserved cell */ + sync_array_t* arr, /*!< in: wait array */ + void* object, /*!< in: pointer to the object to wait for */ + ulint type, /*!< in: lock request type */ + const char* file, /*!< in: file where requested */ + ulint line, /*!< in: line where requested */ + ulint* index); /*!< out: index of the reserved cell */ /********************************************************************** This function should be called when a thread starts to wait on a wait array cell. In the debug version this function checks @@ -79,8 +79,8 @@ UNIV_INTERN void sync_array_wait_event( /*==================*/ - sync_array_t* arr, /* in: wait array */ - ulint index); /* in: index of the reserved cell */ + sync_array_t* arr, /*!< in: wait array */ + ulint index); /*!< in: index of the reserved cell */ /********************************************************************** Frees the cell. NOTE! sync_array_wait_event frees the cell automatically! */ @@ -88,15 +88,15 @@ UNIV_INTERN void sync_array_free_cell( /*=================*/ - sync_array_t* arr, /* in: wait array */ - ulint index); /* in: index of the cell in array */ + sync_array_t* arr, /*!< in: wait array */ + ulint index); /*!< in: index of the cell in array */ /************************************************************************** Note that one of the wait objects was signalled. */ UNIV_INTERN void sync_array_object_signalled( /*========================*/ - sync_array_t* arr); /* in: wait array */ + sync_array_t* arr); /*!< in: wait array */ /************************************************************************** If the wakeup algorithm does not work perfectly at semaphore relases, this function will do the waking (see the comment in mutex_exit). This @@ -106,13 +106,12 @@ void sync_arr_wake_threads_if_sema_free(void); /*====================================*/ /************************************************************************** -Prints warnings of long semaphore waits to stderr. */ +Prints warnings of long semaphore waits to stderr. +@return TRUE if fatal semaphore wait threshold was exceeded */ UNIV_INTERN ibool sync_array_print_long_waits(void); /*=============================*/ - /* out: TRUE if fatal semaphore wait threshold - was exceeded */ /************************************************************************ Validates the integrity of the wait array. Checks that the number of reserved cells equals the count variable. */ @@ -120,15 +119,15 @@ UNIV_INTERN void sync_array_validate( /*================*/ - sync_array_t* arr); /* in: sync wait array */ + sync_array_t* arr); /*!< in: sync wait array */ /************************************************************************** Prints info of the wait array. */ UNIV_INTERN void sync_array_print_info( /*==================*/ - FILE* file, /* in: file where to print */ - sync_array_t* arr); /* in: wait array */ + FILE* file, /*!< in: file where to print */ + sync_array_t* arr); /*!< in: wait array */ #ifndef UNIV_NONINL diff --git a/include/sync0rw.h b/include/sync0rw.h index b49daf4e289..f05c95e7728 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -115,15 +115,15 @@ UNIV_INTERN void rw_lock_create_func( /*================*/ - rw_lock_t* lock, /* in: pointer to memory */ + rw_lock_t* lock, /*!< in: pointer to memory */ #ifdef UNIV_DEBUG # ifdef UNIV_SYNC_DEBUG - ulint level, /* in: level */ + ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /* in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ #endif /* UNIV_DEBUG */ - const char* cfile_name, /* in: file name where created */ - ulint cline); /* in: file line where created */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ /********************************************************************** Calling this function is obligatory only if the memory buffer containing the rw-lock is freed. Removes an rw-lock object from the global list. The @@ -132,17 +132,17 @@ UNIV_INTERN void rw_lock_free( /*=========*/ - rw_lock_t* lock); /* in: rw-lock */ + rw_lock_t* lock); /*!< in: rw-lock */ #ifdef UNIV_DEBUG /********************************************************************** Checks that the rw-lock has been initialized and that there are no -simultaneous shared and exclusive locks. */ +simultaneous shared and exclusive locks. +@return TRUE */ UNIV_INTERN ibool rw_lock_validate( /*=============*/ - /* out: TRUE */ - rw_lock_t* lock); /* in: rw-lock */ + rw_lock_t* lock); /*!< in: rw-lock */ #endif /* UNIV_DEBUG */ /****************************************************************** NOTE! The following macros should be used in rw s-locking, not the @@ -164,18 +164,18 @@ corresponding function. */ (M), 0, (F), (L)) /********************************************************************** Low-level function which tries to lock an rw-lock in s-mode. Performs no -spinning. */ +spinning. +@return TRUE if success */ UNIV_INLINE ibool rw_lock_s_lock_low( /*===============*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ ulint pass __attribute__((unused)), - /* in: pass value; != 0, if the lock will be + /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name, /* in: file name where lock requested */ - ulint line); /* in: line where requested */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** NOTE! Use the corresponding macro, not directly this function, except if you supply the file name and line number. Lock an rw-lock in shared mode @@ -187,23 +187,23 @@ UNIV_INLINE void rw_lock_s_lock_func( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line); /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be -obtained immediately. */ +obtained immediately. +@return TRUE if success */ UNIV_INLINE ibool rw_lock_x_lock_func_nowait( /*=======================*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ - const char* file_name,/* in: file name where lock requested */ - ulint line); /* in: line where requested */ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** Releases a shared mode lock. */ UNIV_INLINE @@ -211,10 +211,10 @@ void rw_lock_s_unlock_func( /*==================*/ #ifdef UNIV_SYNC_DEBUG - ulint pass, /* in: pass value; != 0, if the lock may have + ulint pass, /*!< in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - rw_lock_t* lock); /* in/out: rw-lock */ + rw_lock_t* lock); /*!< in/out: rw-lock */ #ifdef UNIV_SYNC_DEBUG # define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) @@ -256,11 +256,11 @@ UNIV_INTERN void rw_lock_x_lock_func( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line); /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** Releases an exclusive mode lock. */ UNIV_INLINE @@ -268,10 +268,10 @@ void rw_lock_x_unlock_func( /*==================*/ #ifdef UNIV_SYNC_DEBUG - ulint pass, /* in: pass value; != 0, if the lock may have + ulint pass, /*!< in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - rw_lock_t* lock); /* in/out: rw-lock */ + rw_lock_t* lock); /*!< in/out: rw-lock */ #ifdef UNIV_SYNC_DEBUG # define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) @@ -290,9 +290,9 @@ UNIV_INLINE void rw_lock_s_lock_direct( /*==================*/ - rw_lock_t* lock, /* in/out: rw-lock */ - const char* file_name, /* in: file name where requested */ - ulint line); /* in: line where lock requested */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line); /*!< in: line where lock requested */ /********************************************************************** Low-level function which locks an rw-lock in x-mode when we know that it is not locked and none else is currently accessing the rw-lock structure. @@ -301,9 +301,9 @@ UNIV_INLINE void rw_lock_x_lock_direct( /*==================*/ - rw_lock_t* lock, /* in/out: rw-lock */ - const char* file_name, /* in: file name where requested */ - ulint line); /* in: line where lock requested */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line); /*!< in: line where lock requested */ /********************************************************************** This function is used in the insert buffer to move the ownership of an x-latch on a buffer frame to the current thread. The x-latch was set by @@ -316,7 +316,7 @@ UNIV_INTERN void rw_lock_x_lock_move_ownership( /*==========================*/ - rw_lock_t* lock); /* in: lock which was x-locked in the + rw_lock_t* lock); /*!< in: lock which was x-locked in the buffer read */ /********************************************************************** Releases a shared mode lock when we know there are no waiters and none @@ -325,7 +325,7 @@ UNIV_INLINE void rw_lock_s_unlock_direct( /*====================*/ - rw_lock_t* lock); /* in/out: rw-lock */ + rw_lock_t* lock); /*!< in/out: rw-lock */ /********************************************************************** Releases an exclusive mode lock when we know there are no waiters, and none else will access the lock durint the time this function is executed. */ @@ -333,62 +333,60 @@ UNIV_INLINE void rw_lock_x_unlock_direct( /*====================*/ - rw_lock_t* lock); /* in/out: rw-lock */ + rw_lock_t* lock); /*!< in/out: rw-lock */ /********************************************************************** Returns the value of writer_count for the lock. Does not reserve the lock -mutex, so the caller must be sure it is not changed during the call. */ +mutex, so the caller must be sure it is not changed during the call. +@return value of writer_count */ UNIV_INLINE ulint rw_lock_get_x_lock_count( /*=====================*/ - /* out: value of writer_count */ - const rw_lock_t* lock); /* in: rw-lock */ + const rw_lock_t* lock); /*!< in: rw-lock */ /************************************************************************ -Check if there are threads waiting for the rw-lock. */ +Check if there are threads waiting for the rw-lock. +@return 1 if waiters, 0 otherwise */ UNIV_INLINE ulint rw_lock_get_waiters( /*================*/ - /* out: 1 if waiters, 0 otherwise */ - const rw_lock_t* lock); /* in: rw-lock */ + const rw_lock_t* lock); /*!< in: rw-lock */ /********************************************************************** Returns the write-status of the lock - this function made more sense -with the old rw_lock implementation. */ +with the old rw_lock implementation. +@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ UNIV_INLINE ulint rw_lock_get_writer( /*===============*/ - /* out: RW_LOCK_NOT_LOCKED, - RW_LOCK_EX, RW_LOCK_WAIT_EX */ - const rw_lock_t* lock); /* in: rw-lock */ + const rw_lock_t* lock); /*!< in: rw-lock */ /********************************************************************** -Returns the number of readers. */ +Returns the number of readers. +@return number of readers */ UNIV_INLINE ulint rw_lock_get_reader_count( /*=====================*/ - /* out: number of readers */ - const rw_lock_t* lock); /* in: rw-lock */ + const rw_lock_t* lock); /*!< in: rw-lock */ /********************************************************************** Decrements lock_word the specified amount if it is greater than 0. -This is used by both s_lock and x_lock operations. */ +This is used by both s_lock and x_lock operations. +@return TRUE if decr occurs */ UNIV_INLINE ibool rw_lock_lock_word_decr( /*===================*/ - /* out: TRUE if decr occurs */ - rw_lock_t* lock, /* in/out: rw-lock */ - ulint amount); /* in: amount to decrement */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount); /*!< in: amount to decrement */ /********************************************************************** -Increments lock_word the specified amount and returns new value. */ +Increments lock_word the specified amount and returns new value. +@return lock->lock_word after increment */ UNIV_INLINE lint rw_lock_lock_word_incr( /*===================*/ - /* out: lock->lock_word after - increment */ - rw_lock_t* lock, /* in/out: rw-lock */ - ulint amount); /* in: amount to increment */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount); /*!< in: amount to increment */ /********************************************************************** This function sets the lock->writer_thread and lock->recursive fields. For platforms where we are using atomic builtins instead of lock->mutex @@ -402,8 +400,8 @@ UNIV_INLINE void rw_lock_set_writer_id_and_recursion_flag( /*=====================================*/ - rw_lock_t* lock, /* in/out: lock to work on */ - ibool recursive); /* in: TRUE if recursion + rw_lock_t* lock, /*!< in/out: lock to work on */ + ibool recursive); /*!< in: TRUE if recursion allowed */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** @@ -413,8 +411,8 @@ UNIV_INTERN ibool rw_lock_own( /*========*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint lock_type); /* in: lock type: RW_LOCK_SHARED, + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ #endif /* UNIV_SYNC_DEBUG */ /********************************************************************** @@ -423,8 +421,8 @@ UNIV_INTERN ibool rw_lock_is_locked( /*==============*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint lock_type); /* in: lock type: RW_LOCK_SHARED, + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ #ifdef UNIV_SYNC_DEBUG /******************************************************************* @@ -433,22 +431,22 @@ UNIV_INTERN void rw_lock_print( /*==========*/ - rw_lock_t* lock); /* in: rw-lock */ + rw_lock_t* lock); /*!< in: rw-lock */ /******************************************************************* Prints debug info of currently locked rw-locks. */ UNIV_INTERN void rw_lock_list_print_info( /*====================*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /******************************************************************* Returns the number of currently locked rw-locks. -Works only in the debug version. */ +Works only in the debug version. +@return number of locked rw-locks */ UNIV_INTERN ulint rw_lock_n_locked(void); /*==================*/ - /* out: number of locked rw-locks */ /*#####################################################################*/ @@ -474,7 +472,7 @@ UNIV_INTERN void rw_lock_debug_print( /*================*/ - rw_lock_debug_t* info); /* in: debug struct */ + rw_lock_debug_t* info); /*!< in: debug struct */ #endif /* UNIV_SYNC_DEBUG */ /* NOTE! The structure appears here only for the compiler to know its size. diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 4d0e0fec0c2..778ecb00d19 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -38,11 +38,11 @@ UNIV_INTERN void rw_lock_s_lock_spin( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line); /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** Inserts the debug information for an rw-lock. */ @@ -50,30 +50,30 @@ UNIV_INTERN void rw_lock_add_debug_info( /*===================*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint pass, /* in: pass value */ - ulint lock_type, /* in: lock type */ - const char* file_name, /* in: file where requested */ - ulint line); /* in: line where requested */ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type, /*!< in: lock type */ + const char* file_name, /*!< in: file where requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** Removes a debug information struct for an rw-lock. */ UNIV_INTERN void rw_lock_remove_debug_info( /*======================*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint pass, /* in: pass value */ - ulint lock_type); /* in: lock type */ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type); /*!< in: lock type */ #endif /* UNIV_SYNC_DEBUG */ /************************************************************************ -Check if there are threads waiting for the rw-lock. */ +Check if there are threads waiting for the rw-lock. +@return 1 if waiters, 0 otherwise */ UNIV_INLINE ulint rw_lock_get_waiters( /*================*/ - /* out: 1 if waiters, 0 otherwise */ - const rw_lock_t* lock) /* in: rw-lock */ + const rw_lock_t* lock) /*!< in: rw-lock */ { return(lock->waiters); } @@ -86,7 +86,7 @@ UNIV_INLINE void rw_lock_set_waiter_flag( /*====================*/ - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS os_compare_and_swap_ulint(&lock->waiters, 0, 1); @@ -103,7 +103,7 @@ UNIV_INLINE void rw_lock_reset_waiter_flag( /*======================*/ - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS os_compare_and_swap_ulint(&lock->waiters, 1, 0); @@ -114,14 +114,13 @@ rw_lock_reset_waiter_flag( /********************************************************************** Returns the write-status of the lock - this function made more sense -with the old rw_lock implementation. */ +with the old rw_lock implementation. +@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ UNIV_INLINE ulint rw_lock_get_writer( /*===============*/ - /* out: RW_LOCK_NOT_LOCKED, - RW_LOCK_EX, RW_LOCK_WAIT_EX */ - const rw_lock_t* lock) /* in: rw-lock */ + const rw_lock_t* lock) /*!< in: rw-lock */ { lint lock_word = lock->lock_word; if (lock_word > 0) { @@ -137,13 +136,13 @@ rw_lock_get_writer( } /********************************************************************** -Returns the number of readers. */ +Returns the number of readers. +@return number of readers */ UNIV_INLINE ulint rw_lock_get_reader_count( /*=====================*/ - /* out: number of readers */ - const rw_lock_t* lock) /* in: rw-lock */ + const rw_lock_t* lock) /*!< in: rw-lock */ { lint lock_word = lock->lock_word; if (lock_word > 0) { @@ -169,13 +168,13 @@ rw_lock_get_mutex( /********************************************************************** Returns the value of writer_count for the lock. Does not reserve the lock -mutex, so the caller must be sure it is not changed during the call. */ +mutex, so the caller must be sure it is not changed during the call. +@return value of writer_count */ UNIV_INLINE ulint rw_lock_get_x_lock_count( /*=====================*/ - /* out: value of writer_count */ - const rw_lock_t* lock) /* in: rw-lock */ + const rw_lock_t* lock) /*!< in: rw-lock */ { lint lock_copy = lock->lock_word; /* If there is a reader, lock_word is not divisible by X_LOCK_DECR */ @@ -190,14 +189,14 @@ Two different implementations for decrementing the lock_word of a rw_lock: one for systems supporting atomic operations, one for others. This does does not support recusive x-locks: they should be handled by the caller and need not be atomic since they are performed by the current lock holder. -Returns true if the decrement was made, false if not. */ +Returns true if the decrement was made, false if not. +@return TRUE if decr occurs */ UNIV_INLINE ibool rw_lock_lock_word_decr( /*===================*/ - /* out: TRUE if decr occurs */ - rw_lock_t* lock, /* in/out: rw-lock */ - ulint amount) /* in: amount to decrement */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount) /*!< in: amount to decrement */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS lint local_lock_word = lock->lock_word; @@ -223,15 +222,14 @@ rw_lock_lock_word_decr( } /********************************************************************** -Increments lock_word the specified amount and returns new value. */ +Increments lock_word the specified amount and returns new value. +@return lock->lock_word after increment */ UNIV_INLINE lint rw_lock_lock_word_incr( /*===================*/ - /* out: lock->lock_word after - increment */ - rw_lock_t* lock, /* in/out: rw-lock */ - ulint amount) /* in: amount of increment */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount) /*!< in: amount of increment */ { #ifdef INNODB_RW_LOCKS_USE_ATOMICS return(os_atomic_increment_lint(&lock->lock_word, amount)); @@ -262,8 +260,8 @@ UNIV_INLINE void rw_lock_set_writer_id_and_recursion_flag( /*=====================================*/ - rw_lock_t* lock, /* in/out: lock to work on */ - ibool recursive) /* in: TRUE if recursion + rw_lock_t* lock, /*!< in/out: lock to work on */ + ibool recursive) /*!< in: TRUE if recursion allowed */ { os_thread_id_t curr_thread = os_thread_get_curr_id(); @@ -296,18 +294,18 @@ rw_lock_set_writer_id_and_recursion_flag( /********************************************************************** Low-level function which tries to lock an rw-lock in s-mode. Performs no -spinning. */ +spinning. +@return TRUE if success */ UNIV_INLINE ibool rw_lock_s_lock_low( /*===============*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ ulint pass __attribute__((unused)), - /* in: pass value; != 0, if the lock will be + /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name, /* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ if (!rw_lock_lock_word_decr(lock, 1)) { @@ -334,9 +332,9 @@ UNIV_INLINE void rw_lock_s_lock_direct( /*==================*/ - rw_lock_t* lock, /* in/out: rw-lock */ - const char* file_name, /* in: file name where requested */ - ulint line) /* in: line where lock requested */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line) /*!< in: line where lock requested */ { ut_ad(lock->lock_word == X_LOCK_DECR); @@ -359,9 +357,9 @@ UNIV_INLINE void rw_lock_x_lock_direct( /*==================*/ - rw_lock_t* lock, /* in/out: rw-lock */ - const char* file_name, /* in: file name where requested */ - ulint line) /* in: line where lock requested */ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line) /*!< in: line where lock requested */ { ut_ad(rw_lock_validate(lock)); ut_ad(lock->lock_word == X_LOCK_DECR); @@ -388,11 +386,11 @@ UNIV_INLINE void rw_lock_s_lock_func( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { /* NOTE: As we do not know the thread ids for threads which have s-locked a latch, and s-lockers will be served only after waiting @@ -425,15 +423,15 @@ rw_lock_s_lock_func( /********************************************************************** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be -obtained immediately. */ +obtained immediately. +@return TRUE if success */ UNIV_INLINE ibool rw_lock_x_lock_func_nowait( /*=======================*/ - /* out: TRUE if success */ - rw_lock_t* lock, /* in: pointer to rw-lock */ - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { os_thread_id_t curr_thread = os_thread_get_curr_id(); @@ -487,10 +485,10 @@ void rw_lock_s_unlock_func( /*==================*/ #ifdef UNIV_SYNC_DEBUG - ulint pass, /* in: pass value; != 0, if the lock may have + ulint pass, /*!< in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { ut_ad((lock->lock_word % X_LOCK_DECR) != 0); @@ -523,7 +521,7 @@ UNIV_INLINE void rw_lock_s_unlock_direct( /*====================*/ - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { ut_ad(lock->lock_word < X_LOCK_DECR); @@ -548,10 +546,10 @@ void rw_lock_x_unlock_func( /*==================*/ #ifdef UNIV_SYNC_DEBUG - ulint pass, /* in: pass value; != 0, if the lock may have + ulint pass, /*!< in: pass value; != 0, if the lock may have been passed to another thread to unlock */ #endif - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { ut_ad((lock->lock_word % X_LOCK_DECR) == 0); @@ -597,7 +595,7 @@ UNIV_INLINE void rw_lock_x_unlock_direct( /*====================*/ - rw_lock_t* lock) /* in/out: rw-lock */ + rw_lock_t* lock) /*!< in/out: rw-lock */ { /* Reset the exclusive lock if this thread no longer has an x-mode lock */ diff --git a/include/sync0sync.h b/include/sync0sync.h index 5f08d44b96d..ed0902475a8 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -89,15 +89,15 @@ UNIV_INTERN void mutex_create_func( /*==============*/ - mutex_t* mutex, /* in: pointer to memory */ + mutex_t* mutex, /*!< in: pointer to memory */ #ifdef UNIV_DEBUG - const char* cmutex_name, /* in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ # ifdef UNIV_SYNC_DEBUG - ulint level, /* in: level */ + ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ #endif /* UNIV_DEBUG */ - const char* cfile_name, /* in: file name where created */ - ulint cline); /* in: file line where created */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ #undef mutex_free /* Fix for MacOS X */ @@ -109,7 +109,7 @@ UNIV_INTERN void mutex_free( /*=======*/ - mutex_t* mutex); /* in: mutex */ + mutex_t* mutex); /*!< in: mutex */ /****************************************************************** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ @@ -131,9 +131,9 @@ UNIV_INLINE void mutex_enter_func( /*=============*/ - mutex_t* mutex, /* in: pointer to mutex */ - const char* file_name, /* in: file name where locked */ - ulint line); /* in: line where locked */ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line); /*!< in: line where locked */ /****************************************************************** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ @@ -143,32 +143,32 @@ corresponding function. */ /************************************************************************ NOTE! Use the corresponding macro in the header file, not this function directly. Tries to lock the mutex for the current thread. If the lock is not -acquired immediately, returns with return value 1. */ +acquired immediately, returns with return value 1. +@return 0 if succeed, 1 if not */ UNIV_INTERN ulint mutex_enter_nowait_func( /*====================*/ - /* out: 0 if succeed, 1 if not */ - mutex_t* mutex, /* in: pointer to mutex */ - const char* file_name, /* in: file name where mutex + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex requested */ - ulint line); /* in: line where requested */ + ulint line); /*!< in: line where requested */ /********************************************************************** Unlocks a mutex owned by the current thread. */ UNIV_INLINE void mutex_exit( /*=======*/ - mutex_t* mutex); /* in: pointer to mutex */ + mutex_t* mutex); /*!< in: pointer to mutex */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** Returns TRUE if no mutex or rw-lock is currently locked. -Works only in the debug version. */ +Works only in the debug version. +@return TRUE if no mutexes and rw-locks reserved */ UNIV_INTERN ibool sync_all_freed(void); /*================*/ - /* out: TRUE if no mutexes and rw-locks reserved */ #endif /* UNIV_SYNC_DEBUG */ /*##################################################################### FUNCTION PROTOTYPES FOR DEBUGGING */ @@ -178,32 +178,32 @@ UNIV_INTERN void sync_print_wait_info( /*=================*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /*********************************************************************** Prints info of the sync system. */ UNIV_INTERN void sync_print( /*=======*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ #ifdef UNIV_DEBUG /********************************************************************** -Checks that the mutex has been initialized. */ +Checks that the mutex has been initialized. +@return TRUE */ UNIV_INTERN ibool mutex_validate( /*===========*/ - /* out: TRUE */ - const mutex_t* mutex); /* in: mutex */ + const mutex_t* mutex); /*!< in: mutex */ /********************************************************************** Checks that the current thread owns the mutex. Works only -in the debug version. */ +in the debug version. +@return TRUE if owns */ UNIV_INTERN ibool mutex_own( /*======*/ - /* out: TRUE if owns */ - const mutex_t* mutex); /* in: mutex */ + const mutex_t* mutex); /*!< in: mutex */ #endif /* UNIV_DEBUG */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** @@ -214,36 +214,32 @@ UNIV_INTERN void sync_thread_add_level( /*==================*/ - void* latch, /* in: pointer to a mutex or an rw-lock */ - ulint level); /* in: level in the latching order; if + void* latch, /*!< in: pointer to a mutex or an rw-lock */ + ulint level); /*!< in: level in the latching order; if SYNC_LEVEL_VARYING, nothing is done */ /********************************************************************** -Removes a latch from the thread level array if it is found there. */ +Removes a latch from the thread level array if it is found there. +@return TRUE if found from the array; it is no error if the latch is not found, as we presently are not able to determine the level for every latch reservation the program does */ UNIV_INTERN ibool sync_thread_reset_level( /*====================*/ - /* out: TRUE if found from the array; it is no error - if the latch is not found, as we presently are not - able to determine the level for every latch - reservation the program does */ - void* latch); /* in: pointer to a mutex or an rw-lock */ + void* latch); /*!< in: pointer to a mutex or an rw-lock */ /********************************************************************** -Checks that the level array for the current thread is empty. */ +Checks that the level array for the current thread is empty. +@return TRUE if empty */ UNIV_INTERN ibool sync_thread_levels_empty(void); /*==========================*/ - /* out: TRUE if empty */ /********************************************************************** -Checks that the level array for the current thread is empty. */ +Checks that the level array for the current thread is empty. +@return TRUE if empty except the exceptions specified below */ UNIV_INTERN ibool sync_thread_levels_empty_gen( /*=========================*/ - /* out: TRUE if empty except the - exceptions specified below */ - ibool dict_mutex_allowed); /* in: TRUE if dictionary mutex is + ibool dict_mutex_allowed); /*!< in: TRUE if dictionary mutex is allowed to be owned by the thread, also purge_is_running mutex is allowed */ @@ -253,18 +249,18 @@ UNIV_INTERN void mutex_get_debug_info( /*=================*/ - mutex_t* mutex, /* in: mutex */ - const char** file_name, /* out: file where requested */ - ulint* line, /* out: line where requested */ - os_thread_id_t* thread_id); /* out: id of the thread which owns + mutex_t* mutex, /*!< in: mutex */ + const char** file_name, /*!< out: file where requested */ + ulint* line, /*!< out: line where requested */ + os_thread_id_t* thread_id); /*!< out: id of the thread which owns the mutex */ /********************************************************************** -Counts currently reserved mutexes. Works only in the debug version. */ +Counts currently reserved mutexes. Works only in the debug version. +@return number of reserved mutexes */ UNIV_INTERN ulint mutex_n_reserved(void); /*==================*/ - /* out: number of reserved mutexes */ #endif /* UNIV_SYNC_DEBUG */ /********************************************************************** NOT to be used outside this module except in debugging! Gets the value @@ -273,17 +269,17 @@ UNIV_INLINE lock_word_t mutex_get_lock_word( /*================*/ - const mutex_t* mutex); /* in: mutex */ + const mutex_t* mutex); /*!< in: mutex */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** NOT to be used outside this module except in debugging! Gets the waiters -field in a mutex. */ +field in a mutex. +@return value to set */ UNIV_INLINE ulint mutex_get_waiters( /*==============*/ - /* out: value to set */ - const mutex_t* mutex); /* in: mutex */ + const mutex_t* mutex); /*!< in: mutex */ #endif /* UNIV_SYNC_DEBUG */ /* diff --git a/include/sync0sync.ic b/include/sync0sync.ic index 8a446a7e7ea..bc15afdd700 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -35,8 +35,8 @@ UNIV_INTERN void mutex_set_waiters( /*==============*/ - mutex_t* mutex, /* in: mutex */ - ulint n); /* in: value to set */ + mutex_t* mutex, /*!< in: mutex */ + ulint n); /*!< in: value to set */ /********************************************************************** Reserves a mutex for the current thread. If the mutex is reserved, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting @@ -45,10 +45,10 @@ UNIV_INTERN void mutex_spin_wait( /*============*/ - mutex_t* mutex, /* in: pointer to mutex */ - const char* file_name, /* in: file name where mutex + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex requested */ - ulint line); /* in: line where requested */ + ulint line); /*!< in: line where requested */ #ifdef UNIV_SYNC_DEBUG /********************************************************************** Sets the debug information for a reserved mutex. */ @@ -56,9 +56,9 @@ UNIV_INTERN void mutex_set_debug_info( /*=================*/ - mutex_t* mutex, /* in: mutex */ - const char* file_name, /* in: file where requested */ - ulint line); /* in: line where requested */ + mutex_t* mutex, /*!< in: mutex */ + const char* file_name, /*!< in: file where requested */ + ulint line); /*!< in: line where requested */ #endif /* UNIV_SYNC_DEBUG */ /********************************************************************** Releases the threads waiting in the primary wait array for this mutex. */ @@ -66,18 +66,17 @@ UNIV_INTERN void mutex_signal_object( /*================*/ - mutex_t* mutex); /* in: mutex */ + mutex_t* mutex); /*!< in: mutex */ /********************************************************************** Performs an atomic test-and-set instruction to the lock_word field of a -mutex. */ +mutex. +@return the previous value of lock_word: 0 or 1 */ UNIV_INLINE byte mutex_test_and_set( /*===============*/ - /* out: the previous value of lock_word: 0 or - 1 */ - mutex_t* mutex) /* in: mutex */ + mutex_t* mutex) /*!< in: mutex */ { #if defined(HAVE_ATOMIC_BUILTINS) return(os_atomic_test_and_set_byte(&mutex->lock_word, 1)); @@ -105,7 +104,7 @@ UNIV_INLINE void mutex_reset_lock_word( /*==================*/ - mutex_t* mutex) /* in: mutex */ + mutex_t* mutex) /*!< in: mutex */ { #if defined(HAVE_ATOMIC_BUILTINS) /* In theory __sync_lock_release should be used to release the lock. @@ -125,7 +124,7 @@ UNIV_INLINE lock_word_t mutex_get_lock_word( /*================*/ - const mutex_t* mutex) /* in: mutex */ + const mutex_t* mutex) /*!< in: mutex */ { ut_ad(mutex); @@ -133,13 +132,13 @@ mutex_get_lock_word( } /********************************************************************** -Gets the waiters field in a mutex. */ +Gets the waiters field in a mutex. +@return value to set */ UNIV_INLINE ulint mutex_get_waiters( /*==============*/ - /* out: value to set */ - const mutex_t* mutex) /* in: mutex */ + const mutex_t* mutex) /*!< in: mutex */ { const volatile ulint* ptr; /* declared volatile to ensure that the value is read from memory */ @@ -157,7 +156,7 @@ UNIV_INLINE void mutex_exit( /*=======*/ - mutex_t* mutex) /* in: pointer to mutex */ + mutex_t* mutex) /*!< in: pointer to mutex */ { ut_ad(mutex_own(mutex)); @@ -198,9 +197,9 @@ UNIV_INLINE void mutex_enter_func( /*=============*/ - mutex_t* mutex, /* in: pointer to mutex */ - const char* file_name, /* in: file name where locked */ - ulint line) /* in: line where locked */ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line) /*!< in: line where locked */ { ut_ad(mutex_validate(mutex)); ut_ad(!mutex_own(mutex)); diff --git a/include/thr0loc.h b/include/thr0loc.h index de815cdd9ab..facc0636536 100644 --- a/include/thr0loc.h +++ b/include/thr0loc.h @@ -50,31 +50,31 @@ UNIV_INTERN void thr_local_free( /*===========*/ - os_thread_id_t id); /* in: thread id */ + os_thread_id_t id); /*!< in: thread id */ /*********************************************************************** -Gets the slot number in the thread table of a thread. */ +Gets the slot number in the thread table of a thread. +@return slot number */ UNIV_INTERN ulint thr_local_get_slot_no( /*==================*/ - /* out: slot number */ - os_thread_id_t id); /* in: thread id of the thread */ + os_thread_id_t id); /*!< in: thread id of the thread */ /*********************************************************************** Sets in the local storage the slot number in the thread table of a thread. */ UNIV_INTERN void thr_local_set_slot_no( /*==================*/ - os_thread_id_t id, /* in: thread id of the thread */ - ulint slot_no);/* in: slot number */ + os_thread_id_t id, /*!< in: thread id of the thread */ + ulint slot_no);/*!< in: slot number */ /*********************************************************************** Returns pointer to the 'in_ibuf' field within the current thread local -storage. */ +storage. +@return pointer to the in_ibuf field */ UNIV_INTERN ibool* thr_local_get_in_ibuf_field(void); /*=============================*/ - /* out: pointer to the in_ibuf field */ #ifndef UNIV_NONINL #include "thr0loc.ic" diff --git a/include/trx0i_s.h b/include/trx0i_s.h index cf2865af127..11a221bd993 100644 --- a/include/trx0i_s.h +++ b/include/trx0i_s.h @@ -112,7 +112,7 @@ UNIV_INTERN void trx_i_s_cache_init( /*===============*/ - trx_i_s_cache_t* cache); /* out: cache to init */ + trx_i_s_cache_t* cache); /*!< out: cache to init */ /*********************************************************************** Issue a shared/read lock on the tables cache. */ @@ -120,7 +120,7 @@ UNIV_INTERN void trx_i_s_cache_start_read( /*=====================*/ - trx_i_s_cache_t* cache); /* in: cache */ + trx_i_s_cache_t* cache); /*!< in: cache */ /*********************************************************************** Release a shared/read lock on the tables cache. */ @@ -128,7 +128,7 @@ UNIV_INTERN void trx_i_s_cache_end_read( /*===================*/ - trx_i_s_cache_t* cache); /* in: cache */ + trx_i_s_cache_t* cache); /*!< in: cache */ /*********************************************************************** Issue an exclusive/write lock on the tables cache. */ @@ -136,7 +136,7 @@ UNIV_INTERN void trx_i_s_cache_start_write( /*======================*/ - trx_i_s_cache_t* cache); /* in: cache */ + trx_i_s_cache_t* cache); /*!< in: cache */ /*********************************************************************** Release an exclusive/write lock on the tables cache. */ @@ -144,50 +144,50 @@ UNIV_INTERN void trx_i_s_cache_end_write( /*====================*/ - trx_i_s_cache_t* cache); /* in: cache */ + trx_i_s_cache_t* cache); /*!< in: cache */ /*********************************************************************** Retrieves the number of used rows in the cache for a given -INFORMATION SCHEMA table. */ +INFORMATION SCHEMA table. +@return number of rows */ UNIV_INTERN ulint trx_i_s_cache_get_rows_used( /*========================*/ - /* out: number of rows */ - trx_i_s_cache_t* cache, /* in: cache */ - enum i_s_table table); /* in: which table */ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table); /*!< in: which table */ /*********************************************************************** Retrieves the nth row in the cache for a given INFORMATION SCHEMA -table. */ +table. +@return row */ UNIV_INTERN void* trx_i_s_cache_get_nth_row( /*======================*/ - /* out: row */ - trx_i_s_cache_t* cache, /* in: cache */ - enum i_s_table table, /* in: which table */ - ulint n); /* in: row number */ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table, /*!< in: which table */ + ulint n); /*!< in: row number */ /*********************************************************************** -Update the transactions cache if it has not been read for some time. */ +Update the transactions cache if it has not been read for some time. +@return 0 - fetched, 1 - not */ UNIV_INTERN int trx_i_s_possibly_fetch_data_into_cache( /*===================================*/ - /* out: 0 - fetched, 1 - not */ - trx_i_s_cache_t* cache); /* in/out: cache */ + trx_i_s_cache_t* cache); /*!< in/out: cache */ /*********************************************************************** Returns TRUE if the data in the cache is truncated due to the memory -limit posed by TRX_I_S_MEM_LIMIT. */ +limit posed by TRX_I_S_MEM_LIMIT. +@return TRUE if truncated */ UNIV_INTERN ibool trx_i_s_cache_is_truncated( /*=======================*/ - /* out: TRUE if truncated */ - trx_i_s_cache_t* cache); /* in: cache */ + trx_i_s_cache_t* cache); /*!< in: cache */ /* The maximum length of a resulting lock_id_size in trx_i_s_create_lock_id(), not including the terminating '\0'. @@ -198,15 +198,15 @@ trx_i_s_create_lock_id(), not including the terminating '\0'. Crafts a lock id string from a i_s_locks_row_t object. Returns its second argument. This function aborts if there is not enough space in lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you -want to be 100% sure that it will not abort. */ +want to be 100% sure that it will not abort. +@return resulting lock id */ UNIV_INTERN char* trx_i_s_create_lock_id( /*===================*/ - /* out: resulting lock id */ - const i_s_locks_row_t* row, /* in: innodb_locks row */ - char* lock_id,/* out: resulting lock_id */ - ulint lock_id_size);/* in: size of the lock id + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + char* lock_id,/*!< out: resulting lock_id */ + ulint lock_id_size);/*!< in: size of the lock id buffer */ #endif /* trx0i_s_h */ diff --git a/include/trx0purge.h b/include/trx0purge.h index 92342d51af7..f8671d02df1 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -43,26 +43,23 @@ extern trx_undo_rec_t trx_purge_dummy_rec; /************************************************************************ Calculates the file address of an undo log header when we have the file -address of its history list node. */ +address of its history list node. +@return file address of the log */ UNIV_INLINE fil_addr_t trx_purge_get_log_from_hist( /*========================*/ - /* out: file address of the log */ - fil_addr_t node_addr); /* in: file address of the history + fil_addr_t node_addr); /*!< in: file address of the history list node of the log */ /********************************************************************* Checks if trx_id is >= purge_view: then it is guaranteed that its update -undo log still exists in the system. */ +undo log still exists in the system. +@return TRUE if is sure that it is preserved, also if the function returns FALSE, it is possible that the undo log still exists in the system */ UNIV_INTERN ibool trx_purge_update_undo_must_exist( /*=============================*/ - /* out: TRUE if is sure that it is - preserved, also if the function - returns FALSE, it is possible that the - undo log still exists in the system */ - trx_id_t trx_id);/* in: transaction id */ + trx_id_t trx_id);/*!< in: transaction id */ /************************************************************************ Creates the global purge system control structure and inits the history mutex. */ @@ -77,40 +74,36 @@ UNIV_INTERN void trx_purge_add_update_undo_to_history( /*=================================*/ - trx_t* trx, /* in: transaction */ - page_t* undo_page, /* in: update undo log header page, + trx_t* trx, /*!< in: transaction */ + page_t* undo_page, /*!< in: update undo log header page, x-latched */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************ Fetches the next undo log record from the history list to purge. It must be -released with the corresponding release function. */ +released with the corresponding release function. +@return copy of an undo log record, or pointer to the dummy undo log record &trx_purge_dummy_rec if the whole undo log can skipped in purge; NULL if none left */ UNIV_INTERN trx_undo_rec_t* trx_purge_fetch_next_rec( /*=====================*/ - /* out: copy of an undo log record, or - pointer to the dummy undo log record - &trx_purge_dummy_rec if the whole undo log - can skipped in purge; NULL if none left */ - roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ - trx_undo_inf_t** cell, /* out: storage cell for the record in the + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + trx_undo_inf_t** cell, /*!< out: storage cell for the record in the purge array */ - mem_heap_t* heap); /* in: memory heap where copied */ + mem_heap_t* heap); /*!< in: memory heap where copied */ /*********************************************************************** Releases a reserved purge undo record. */ UNIV_INTERN void trx_purge_rec_release( /*==================*/ - trx_undo_inf_t* cell); /* in: storage cell */ + trx_undo_inf_t* cell); /*!< in: storage cell */ /*********************************************************************** -This function runs a purge batch. */ +This function runs a purge batch. +@return number of undo log pages handled in the batch */ UNIV_INTERN ulint trx_purge(void); /*===========*/ - /* out: number of undo log pages handled in - the batch */ /********************************************************************** Prints information of the purge system to stderr. */ UNIV_INTERN diff --git a/include/trx0purge.ic b/include/trx0purge.ic index 2c1d2ac75af..21e843b8ce9 100644 --- a/include/trx0purge.ic +++ b/include/trx0purge.ic @@ -26,13 +26,13 @@ Created 3/26/1996 Heikki Tuuri /************************************************************************ Calculates the file address of an undo log header when we have the file -address of its history list node. */ +address of its history list node. +@return file address of the log */ UNIV_INLINE fil_addr_t trx_purge_get_log_from_hist( /*========================*/ - /* out: file address of the log */ - fil_addr_t node_addr) /* in: file address of the history + fil_addr_t node_addr) /*!< in: file address of the history list node of the log */ { node_addr.boffset -= TRX_UNDO_HISTORY_NODE; diff --git a/include/trx0rec.h b/include/trx0rec.h index c2a2e4a4de2..291aeafe0df 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -37,54 +37,54 @@ Created 3/26/1996 Heikki Tuuri # include "que0types.h" /*************************************************************************** -Copies the undo record to the heap. */ +Copies the undo record to the heap. +@return own: copy of undo log record */ UNIV_INLINE trx_undo_rec_t* trx_undo_rec_copy( /*==============*/ - /* out, own: copy of undo log record */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - mem_heap_t* heap); /* in: heap where copied */ + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap); /*!< in: heap where copied */ /************************************************************************** -Reads the undo log record type. */ +Reads the undo log record type. +@return record type */ UNIV_INLINE ulint trx_undo_rec_get_type( /*==================*/ - /* out: record type */ - const trx_undo_rec_t* undo_rec); /* in: undo log record */ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ /************************************************************************** -Reads from an undo log record the record compiler info. */ +Reads from an undo log record the record compiler info. +@return compiler info */ UNIV_INLINE ulint trx_undo_rec_get_cmpl_info( /*=======================*/ - /* out: compiler info */ - const trx_undo_rec_t* undo_rec); /* in: undo log record */ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ /************************************************************************** -Returns TRUE if an undo log record contains an extern storage field. */ +Returns TRUE if an undo log record contains an extern storage field. +@return TRUE if extern */ UNIV_INLINE ibool trx_undo_rec_get_extern_storage( /*============================*/ - /* out: TRUE if extern */ - const trx_undo_rec_t* undo_rec); /* in: undo log record */ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ /************************************************************************** -Reads the undo log record number. */ +Reads the undo log record number. +@return undo no */ UNIV_INLINE undo_no_t trx_undo_rec_get_undo_no( /*=====================*/ - /* out: undo no */ - const trx_undo_rec_t* undo_rec); /* in: undo log record */ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ /************************************************************************** -Returns the start of the undo record data area. */ +Returns the start of the undo record data area. +@return offset to the data area */ UNIV_INLINE ulint trx_undo_rec_get_offset( /*====================*/ - /* out: offset to the data area */ - undo_no_t undo_no) /* in: undo no read from node */ + undo_no_t undo_no) /*!< in: undo no read from node */ __attribute__((const)); /************************************************************************** @@ -93,223 +93,207 @@ Returns the start of the undo record data area. */ ((undo_rec) + trx_undo_rec_get_offset(undo_no)) /************************************************************************** -Reads from an undo log record the general parameters. */ +Reads from an undo log record the general parameters. +@return remaining part of undo log record after reading these values */ UNIV_INTERN byte* trx_undo_rec_get_pars( /*==================*/ - /* out: remaining part of undo log - record after reading these values */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - ulint* type, /* out: undo record type: + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + ulint* type, /*!< out: undo record type: TRX_UNDO_INSERT_REC, ... */ - ulint* cmpl_info, /* out: compiler info, relevant only + ulint* cmpl_info, /*!< out: compiler info, relevant only for update type records */ - ibool* updated_extern, /* out: TRUE if we updated an + ibool* updated_extern, /*!< out: TRUE if we updated an externally stored fild */ - undo_no_t* undo_no, /* out: undo log record number */ - dulint* table_id); /* out: table id */ + undo_no_t* undo_no, /*!< out: undo log record number */ + dulint* table_id); /*!< out: table id */ /*********************************************************************** -Builds a row reference from an undo log record. */ +Builds a row reference from an undo log record. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_get_row_ref( /*=====================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part of a copy of an undo log + byte* ptr, /*!< in: remaining part of a copy of an undo log record, at the start of the row reference; NOTE that this copy of the undo log record must be preserved as long as the row reference is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - dtuple_t** ref, /* out, own: row reference */ - mem_heap_t* heap); /* in: memory heap from which the memory + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** ref, /*!< out, own: row reference */ + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*********************************************************************** -Skips a row reference from an undo log record. */ +Skips a row reference from an undo log record. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_skip_row_ref( /*======================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record, at the start of the row reference */ - dict_index_t* index); /* in: clustered index */ + dict_index_t* index); /*!< in: clustered index */ /************************************************************************** Reads from an undo log update record the system field values of the old -version. */ +version. +@return remaining part of undo log record after reading these values */ UNIV_INTERN byte* trx_undo_update_rec_get_sys_cols( /*=============================*/ - /* out: remaining part of undo - log record after reading these - values */ - byte* ptr, /* in: remaining part of undo + byte* ptr, /*!< in: remaining part of undo log record after reading general parameters */ - trx_id_t* trx_id, /* out: trx id */ - roll_ptr_t* roll_ptr, /* out: roll ptr */ - ulint* info_bits); /* out: info bits state */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr, /*!< out: roll ptr */ + ulint* info_bits); /*!< out: info bits state */ /*********************************************************************** -Builds an update vector based on a remaining part of an undo log record. */ +Builds an update vector based on a remaining part of an undo log record. +@return remaining part of the record, NULL if an error detected, which means that the record is corrupted */ UNIV_INTERN byte* trx_undo_update_rec_get_update( /*===========================*/ - /* out: remaining part of the record, - NULL if an error detected, which means that - the record is corrupted */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record, after reading the row reference NOTE that this copy of the undo log record must be preserved as long as the update vector is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - ulint type, /* in: TRX_UNDO_UPD_EXIST_REC, + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, TRX_UNDO_UPD_DEL_REC, or TRX_UNDO_DEL_MARK_REC; in the last case, only trx id and roll ptr fields are added to the update vector */ - trx_id_t trx_id, /* in: transaction id from this undorecord */ - roll_ptr_t roll_ptr,/* in: roll pointer from this undo record */ - ulint info_bits,/* in: info bits from this undo record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap, /* in: memory heap from which the memory + trx_id_t trx_id, /*!< in: transaction id from this undorecord */ + roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ + ulint info_bits,/*!< in: info bits from this undo record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap from which the memory needed is allocated */ - upd_t** upd); /* out, own: update vector */ + upd_t** upd); /*!< out, own: update vector */ /*********************************************************************** Builds a partial row from an update undo log record. It contains the -columns which occur as ordering in any index of the table. */ +columns which occur as ordering in any index of the table. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_get_partial_row( /*=========================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record of a suitable type, at the start of the stored index columns; NOTE that this copy of the undo log record must be preserved as long as the partial row is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - dtuple_t** row, /* out, own: partial row */ - ibool ignore_prefix, /* in: flag to indicate if we + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** row, /*!< out, own: partial row */ + ibool ignore_prefix, /*!< in: flag to indicate if we expect blob prefixes in undo. Used only in the assertion. */ - mem_heap_t* heap); /* in: memory heap from which the memory + mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /*************************************************************************** Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the transaction and in consistent reads that must look to the history of this -transaction. */ +transaction. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint trx_undo_report_row_operation( /*==========================*/ - /* out: DB_SUCCESS or error code */ - ulint flags, /* in: if BTR_NO_UNDO_LOG_FLAG bit is + ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is set, does nothing */ - ulint op_type, /* in: TRX_UNDO_INSERT_OP or + ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or TRX_UNDO_MODIFY_OP */ - que_thr_t* thr, /* in: query thread */ - dict_index_t* index, /* in: clustered index */ - const dtuple_t* clust_entry, /* in: in the case of an insert, + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: in the case of an insert, index entry to insert into the clustered index, otherwise NULL */ - const upd_t* update, /* in: in the case of an update, + const upd_t* update, /*!< in: in the case of an update, the update vector, otherwise NULL */ - ulint cmpl_info, /* in: compiler info on secondary + ulint cmpl_info, /*!< in: compiler info on secondary index updates */ - const rec_t* rec, /* in: case of an update or delete + const rec_t* rec, /*!< in: case of an update or delete marking, the record in the clustered index, otherwise NULL */ - roll_ptr_t* roll_ptr); /* out: rollback pointer to the + roll_ptr_t* roll_ptr); /*!< out: rollback pointer to the inserted undo log record, ut_dulint_zero if BTR_NO_UNDO_LOG flag was specified */ /********************************************************************** Copies an undo record to heap. This function can be called if we know that -the undo log record exists. */ +the undo log record exists. +@return own: copy of the record */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_undo_rec_low( /*======================*/ - /* out, own: copy of the record */ - roll_ptr_t roll_ptr, /* in: roll pointer to record */ - mem_heap_t* heap); /* in: memory heap where copied */ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ /********************************************************************** -Copies an undo record to heap. */ +Copies an undo record to heap. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been truncated and we cannot fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ UNIV_INTERN ulint trx_undo_get_undo_rec( /*==================*/ - /* out: DB_SUCCESS, or - DB_MISSING_HISTORY if the undo log - has been truncated and we cannot - fetch the old version; NOTE: the - caller must have latches on the - clustered index page and purge_view */ - roll_ptr_t roll_ptr, /* in: roll pointer to record */ - trx_id_t trx_id, /* in: id of the trx that generated + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + trx_id_t trx_id, /*!< in: id of the trx that generated the roll pointer: it points to an undo log of this transaction */ - trx_undo_rec_t** undo_rec, /* out, own: copy of the record */ - mem_heap_t* heap); /* in: memory heap where copied */ + trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ /*********************************************************************** Build a previous version of a clustered index record. This function checks that the caller has a latch on the index page of the clustered index record and an s-latch on the purge_view. This guarantees that the stack of versions -is locked. */ +is locked. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is not >= purge_view, which means that it may have been removed, DB_ERROR if corrupted record */ UNIV_INTERN ulint trx_undo_prev_version_build( /*========================*/ - /* out: DB_SUCCESS, or DB_MISSING_HISTORY if - the previous version is not >= purge_view, - which means that it may have been removed, - DB_ERROR if corrupted record */ - const rec_t* index_rec,/* in: clustered index record in the + const rec_t* index_rec,/*!< in: clustered index record in the index tree */ - mtr_t* index_mtr,/* in: mtr which contains the latch to + mtr_t* index_mtr,/*!< in: mtr which contains the latch to index_rec page and purge_view */ - const rec_t* rec, /* in: version of a clustered index record */ - dict_index_t* index, /* in: clustered index */ - ulint* offsets,/* in: rec_get_offsets(rec, index) */ - mem_heap_t* heap, /* in: memory heap from which the memory + const rec_t* rec, /*!< in: version of a clustered index record */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + mem_heap_t* heap, /*!< in: memory heap from which the memory needed is allocated */ - rec_t** old_vers);/* out, own: previous version, or NULL if + rec_t** old_vers);/*!< out, own: previous version, or NULL if rec is the first inserted version, or if history data has been deleted */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of adding an undo log record. */ +Parses a redo log record of adding an undo log record. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_add_undo_rec( /*========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page); /* in: page or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page); /*!< in: page or NULL */ /*************************************************************** -Parses a redo log record of erasing of an undo page end. */ +Parses a redo log record of erasing of an undo page end. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_erase_page_end( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ #ifndef UNIV_HOTBACKUP diff --git a/include/trx0rec.ic b/include/trx0rec.ic index 0d8c8dd6e28..a75b90ca953 100644 --- a/include/trx0rec.ic +++ b/include/trx0rec.ic @@ -24,37 +24,37 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP /************************************************************************** -Reads from an undo log record the record type. */ +Reads from an undo log record the record type. +@return record type */ UNIV_INLINE ulint trx_undo_rec_get_type( /*==================*/ - /* out: record type */ - const trx_undo_rec_t* undo_rec) /* in: undo log record */ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ { return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); } /************************************************************************** -Reads from an undo log record the record compiler info. */ +Reads from an undo log record the record compiler info. +@return compiler info */ UNIV_INLINE ulint trx_undo_rec_get_cmpl_info( /*=======================*/ - /* out: compiler info */ - const trx_undo_rec_t* undo_rec) /* in: undo log record */ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ { return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); } /************************************************************************** -Returns TRUE if an undo log record contains an extern storage field. */ +Returns TRUE if an undo log record contains an extern storage field. +@return TRUE if extern */ UNIV_INLINE ibool trx_undo_rec_get_extern_storage( /*============================*/ - /* out: TRUE if extern */ - const trx_undo_rec_t* undo_rec) /* in: undo log record */ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ { if (mach_read_from_1(undo_rec + 2) & TRX_UNDO_UPD_EXTERN) { @@ -65,13 +65,13 @@ trx_undo_rec_get_extern_storage( } /************************************************************************** -Reads the undo log record number. */ +Reads the undo log record number. +@return undo no */ UNIV_INLINE undo_no_t trx_undo_rec_get_undo_no( /*=====================*/ - /* out: undo no */ - const trx_undo_rec_t* undo_rec) /* in: undo log record */ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ { const byte* ptr; @@ -81,26 +81,26 @@ trx_undo_rec_get_undo_no( } /************************************************************************** -Returns the start of the undo record data area. */ +Returns the start of the undo record data area. +@return offset to the data area */ UNIV_INLINE ulint trx_undo_rec_get_offset( /*====================*/ - /* out: offset to the data area */ - undo_no_t undo_no) /* in: undo no read from node */ + undo_no_t undo_no) /*!< in: undo no read from node */ { return (3 + mach_dulint_get_much_compressed_size(undo_no)); } /*************************************************************************** -Copies the undo record to the heap. */ +Copies the undo record to the heap. +@return own: copy of undo log record */ UNIV_INLINE trx_undo_rec_t* trx_undo_rec_copy( /*==============*/ - /* out, own: copy of undo log record */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - mem_heap_t* heap) /* in: heap where copied */ + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap) /*!< in: heap where copied */ { ulint len; diff --git a/include/trx0roll.h b/include/trx0roll.h index 72e27e4c7b9..7be10d30a96 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -35,23 +35,21 @@ Created 3/26/1996 Heikki Tuuri /*********************************************************************** Determines if this transaction is rolling back an incomplete transaction -in crash recovery. */ +in crash recovery. +@return TRUE if trx is an incomplete transaction that is being rolled back in crash recovery */ UNIV_INTERN ibool trx_is_recv( /*========*/ - /* out: TRUE if trx is an incomplete - transaction that is being rolled back - in crash recovery */ - const trx_t* trx); /* in: transaction */ + const trx_t* trx); /*!< in: transaction */ /*********************************************************************** -Returns a transaction savepoint taken at this point in time. */ +Returns a transaction savepoint taken at this point in time. +@return savepoint */ UNIV_INTERN trx_savept_t trx_savept_take( /*============*/ - /* out: savepoint */ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /*********************************************************************** Creates an undo number array. */ UNIV_INTERN @@ -64,68 +62,66 @@ UNIV_INTERN void trx_undo_arr_free( /*==============*/ - trx_undo_arr_t* arr); /* in: undo number array */ + trx_undo_arr_t* arr); /*!< in: undo number array */ /*********************************************************************** -Returns pointer to nth element in an undo number array. */ +Returns pointer to nth element in an undo number array. +@return pointer to the nth element */ UNIV_INLINE trx_undo_inf_t* trx_undo_arr_get_nth_info( /*======================*/ - /* out: pointer to the nth element */ - trx_undo_arr_t* arr, /* in: undo number array */ - ulint n); /* in: position */ + trx_undo_arr_t* arr, /*!< in: undo number array */ + ulint n); /*!< in: position */ /*************************************************************************** Tries truncate the undo logs. */ UNIV_INTERN void trx_roll_try_truncate( /*==================*/ - trx_t* trx); /* in/out: transaction */ + trx_t* trx); /*!< in/out: transaction */ /************************************************************************ Pops the topmost record when the two undo logs of a transaction are seen as a single stack of records ordered by their undo numbers. Inserts the undo number of the popped undo record to the array of currently processed undo numbers in the transaction. When the query thread finishes processing -of this undo record, it must be released with trx_undo_rec_release. */ +of this undo record, it must be released with trx_undo_rec_release. +@return undo log record copied to heap, NULL if none left, or if the undo number of the top record would be less than the limit */ UNIV_INTERN trx_undo_rec_t* trx_roll_pop_top_rec_of_trx( /*========================*/ - /* out: undo log record copied to heap, NULL - if none left, or if the undo number of the - top record would be less than the limit */ - trx_t* trx, /* in: transaction */ - undo_no_t limit, /* in: least undo number we need */ - roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ - mem_heap_t* heap); /* in: memory heap where copied */ + trx_t* trx, /*!< in: transaction */ + undo_no_t limit, /*!< in: least undo number we need */ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ /************************************************************************ Reserves an undo log record for a query thread to undo. This should be called if the query thread gets the undo log record not using the pop -function above. */ +function above. +@return TRUE if succeeded */ UNIV_INTERN ibool trx_undo_rec_reserve( /*=================*/ - /* out: TRUE if succeeded */ - trx_t* trx, /* in/out: transaction */ - undo_no_t undo_no);/* in: undo number of the record */ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no);/*!< in: undo number of the record */ /*********************************************************************** Releases a reserved undo record. */ UNIV_INTERN void trx_undo_rec_release( /*=================*/ - trx_t* trx, /* in/out: transaction */ - undo_no_t undo_no);/* in: undo number */ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no);/*!< in: undo number */ /************************************************************************* Starts a rollback operation. */ UNIV_INTERN void trx_rollback( /*=========*/ - trx_t* trx, /* in: transaction */ - trx_sig_t* sig, /* in: signal starting the rollback */ - que_thr_t** next_thr);/* in/out: next query thread to run; + trx_t* trx, /*!< in: transaction */ + trx_sig_t* sig, /*!< in: signal starting the rollback */ + que_thr_t** next_thr);/*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -135,14 +131,14 @@ Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the transaction was not yet committed, then we roll it back. -Note: this is done in a background thread. */ +Note: this is done in a background thread. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t trx_rollback_or_clean_all_recovered( /*================================*/ - /* out: a dummy parameter */ void* arg __attribute__((unused))); - /* in: a dummy parameter required by + /*!< in: a dummy parameter required by os_thread_create */ /******************************************************************** Finishes a transaction rollback. */ @@ -150,9 +146,9 @@ UNIV_INTERN void trx_finish_rollback_off_kernel( /*===========================*/ - que_t* graph, /* in: undo graph which can now be freed */ - trx_t* trx, /* in: transaction */ - que_thr_t** next_thr);/* in/out: next query thread to run; + que_t* graph, /*!< in: undo graph which can now be freed */ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr);/*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -162,55 +158,55 @@ trx_finish_rollback_off_kernel( Builds an undo 'query' graph for a transaction. The actual rollback is performed by executing this query graph like a query subprocedure call. The reply about the completion of the rollback will be sent by this -graph. */ +graph. +@return own: the query graph */ UNIV_INTERN que_t* trx_roll_graph_build( /*=================*/ - /* out, own: the query graph */ - trx_t* trx); /* in: trx handle */ + trx_t* trx); /*!< in: trx handle */ /************************************************************************* -Creates a rollback command node struct. */ +Creates a rollback command node struct. +@return own: rollback node struct */ UNIV_INTERN roll_node_t* roll_node_create( /*=============*/ - /* out, own: rollback node struct */ - mem_heap_t* heap); /* in: mem heap where created */ + mem_heap_t* heap); /*!< in: mem heap where created */ /*************************************************************** -Performs an execution step for a rollback command node in a query graph. */ +Performs an execution step for a rollback command node in a query graph. +@return query thread to run next, or NULL */ UNIV_INTERN que_thr_t* trx_rollback_step( /*==============*/ - /* out: query thread to run next, or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /*********************************************************************** -Rollback a transaction used in MySQL. */ +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_rollback_for_mysql( /*===================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ /*********************************************************************** -Rollback the latest SQL statement for MySQL. */ +Rollback the latest SQL statement for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_rollback_last_sql_stat_for_mysql( /*=================================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ /*********************************************************************** -Rollback a transaction used in MySQL. */ +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_general_rollback_for_mysql( /*===========================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - ibool partial,/* in: TRUE if partial rollback requested */ - trx_savept_t* savept);/* in: pointer to savepoint undo number, if + trx_t* trx, /*!< in: transaction handle */ + ibool partial,/*!< in: TRUE if partial rollback requested */ + trx_savept_t* savept);/*!< in: pointer to savepoint undo number, if partial rollback requested */ /*********************************************************************** Rolls back a transaction back to a named savepoint. Modifications after the @@ -218,18 +214,15 @@ savepoint are undone but InnoDB does NOT release the corresponding locks which are stored in memory. If a lock is 'implicit', that is, a new inserted row holds a lock where the lock information is carried by the trx id stored in the row, these locks are naturally released in the rollback. Savepoints which -were set after this savepoint are deleted. */ +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_rollback_to_savepoint_for_mysql( /*================================*/ - /* out: if no savepoint - of the name found then - DB_NO_SAVEPOINT, - otherwise DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name, /* in: savepoint name */ - ib_int64_t* mysql_binlog_cache_pos);/* out: the MySQL binlog cache + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t* mysql_binlog_cache_pos);/*!< out: the MySQL binlog cache position corresponding to this savepoint; MySQL needs this information to remove the @@ -239,32 +232,29 @@ trx_rollback_to_savepoint_for_mysql( Creates a named savepoint. If the transaction is not yet started, starts it. If there is already a savepoint of the same name, this call erases that old savepoint and replaces it with a new. Savepoints are deleted in a transaction -commit or rollback. */ +commit or rollback. +@return always DB_SUCCESS */ UNIV_INTERN ulint trx_savepoint_for_mysql( /*====================*/ - /* out: always DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name, /* in: savepoint name */ - ib_int64_t binlog_cache_pos); /* in: MySQL binlog cache + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t binlog_cache_pos); /*!< in: MySQL binlog cache position corresponding to this connection at the time of the savepoint */ /*********************************************************************** Releases a named savepoint. Savepoints which -were set after this savepoint are deleted. */ +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_release_savepoint_for_mysql( /*============================*/ - /* out: if no savepoint - of the name found then - DB_NO_SAVEPOINT, - otherwise DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name); /* in: savepoint name */ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name); /*!< in: savepoint name */ /*********************************************************************** Frees a single savepoint struct. */ @@ -272,8 +262,8 @@ UNIV_INTERN void trx_roll_savepoint_free( /*=====================*/ - trx_t* trx, /* in: transaction handle */ - trx_named_savept_t* savep); /* in: savepoint to free */ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep); /*!< in: savepoint to free */ /*********************************************************************** Frees savepoint structs starting from savep, if savep == NULL then @@ -282,8 +272,8 @@ UNIV_INTERN void trx_roll_savepoints_free( /*=====================*/ - trx_t* trx, /* in: transaction handle */ - trx_named_savept_t* savep); /* in: free all savepoints > this one; + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep); /*!< in: free all savepoints > this one; if this is NULL, free all savepoints of trx */ diff --git a/include/trx0roll.ic b/include/trx0roll.ic index 513b8b44847..27e5ce8931d 100644 --- a/include/trx0roll.ic +++ b/include/trx0roll.ic @@ -23,14 +23,14 @@ Created 3/26/1996 Heikki Tuuri *******************************************************/ /*********************************************************************** -Returns pointer to nth element in an undo number array. */ +Returns pointer to nth element in an undo number array. +@return pointer to the nth element */ UNIV_INLINE trx_undo_inf_t* trx_undo_arr_get_nth_info( /*======================*/ - /* out: pointer to the nth element */ - trx_undo_arr_t* arr, /* in: undo number array */ - ulint n) /* in: position */ + trx_undo_arr_t* arr, /*!< in: undo number array */ + ulint n) /*!< in: position */ { ut_ad(arr); ut_ad(n < arr->n_cells); diff --git a/include/trx0rseg.h b/include/trx0rseg.h index 327f577b104..deeda6122bb 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -30,84 +30,80 @@ Created 3/26/1996 Heikki Tuuri #include "trx0sys.h" /********************************************************************** -Gets a rollback segment header. */ +Gets a rollback segment header. +@return rollback segment header, page x-latched */ UNIV_INLINE trx_rsegf_t* trx_rsegf_get( /*==========*/ - /* out: rollback segment header, page - x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the header */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** -Gets a newly created rollback segment header. */ +Gets a newly created rollback segment header. +@return rollback segment header, page x-latched */ UNIV_INLINE trx_rsegf_t* trx_rsegf_get_new( /*==============*/ - /* out: rollback segment header, page - x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the header */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************* -Gets the file page number of the nth undo log slot. */ +Gets the file page number of the nth undo log slot. +@return page number of the undo log segment */ UNIV_INLINE ulint trx_rsegf_get_nth_undo( /*===================*/ - /* out: page number of the undo log segment */ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - ulint n, /* in: index of slot */ - mtr_t* mtr); /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************* Sets the file page number of the nth undo log slot. */ UNIV_INLINE void trx_rsegf_set_nth_undo( /*===================*/ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - ulint n, /* in: index of slot */ - ulint page_no,/* in: page number of the undo log segment */ - mtr_t* mtr); /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + ulint page_no,/*!< in: page number of the undo log segment */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************** -Looks for a free slot for an undo log segment. */ +Looks for a free slot for an undo log segment. +@return slot index or ULINT_UNDEFINED if not found */ UNIV_INLINE ulint trx_rsegf_undo_find_free( /*=====================*/ - /* out: slot index or ULINT_UNDEFINED if not - found */ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - mtr_t* mtr); /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** -Looks for a rollback segment, based on the rollback segment id. */ +Looks for a rollback segment, based on the rollback segment id. +@return rollback segment */ UNIV_INTERN trx_rseg_t* trx_rseg_get_on_id( /*===============*/ - /* out: rollback segment */ - ulint id); /* in: rollback segment id */ + ulint id); /*!< in: rollback segment id */ /******************************************************************** Creates a rollback segment header. This function is called only when -a new rollback segment is created in the database. */ +a new rollback segment is created in the database. +@return page number of the created segment, FIL_NULL if fail */ UNIV_INTERN ulint trx_rseg_header_create( /*===================*/ - /* out: page number of the created segment, - FIL_NULL if fail */ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint max_size, /* in: max size in pages */ - ulint* slot_no, /* out: rseg id == slot number in trx sys */ - mtr_t* mtr); /* in: mtr */ + ulint max_size, /*!< in: max size in pages */ + ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************* Creates the memory copies for rollback segments and initializes the rseg list and array in trx_sys at a database startup. */ @@ -115,20 +111,19 @@ UNIV_INTERN void trx_rseg_list_and_array_init( /*=========================*/ - trx_sysf_t* sys_header, /* in: trx system header */ - mtr_t* mtr); /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx system header */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************** -Creates a new rollback segment to the database. */ +Creates a new rollback segment to the database. +@return the created segment object, NULL if fail */ UNIV_INTERN trx_rseg_t* trx_rseg_create( /*============*/ - /* out: the created segment object, NULL if - fail */ - ulint space, /* in: space id */ - ulint max_size, /* in: max size in pages */ - ulint* id, /* out: rseg id */ - mtr_t* mtr); /* in: mtr */ + ulint space, /*!< in: space id */ + ulint max_size, /*!< in: max size in pages */ + ulint* id, /*!< out: rseg id */ + mtr_t* mtr); /*!< in: mtr */ /* Number of undo log slots in a rollback segment file copy */ diff --git a/include/trx0rseg.ic b/include/trx0rseg.ic index e665a40fa8b..f052295d14f 100644 --- a/include/trx0rseg.ic +++ b/include/trx0rseg.ic @@ -25,18 +25,17 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" /********************************************************************** -Gets a rollback segment header. */ +Gets a rollback segment header. +@return rollback segment header, page x-latched */ UNIV_INLINE trx_rsegf_t* trx_rsegf_get( /*==========*/ - /* out: rollback segment header, page - x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the header */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; trx_rsegf_t* header; @@ -50,18 +49,17 @@ trx_rsegf_get( } /********************************************************************** -Gets a newly created rollback segment header. */ +Gets a newly created rollback segment header. +@return rollback segment header, page x-latched */ UNIV_INLINE trx_rsegf_t* trx_rsegf_get_new( /*==============*/ - /* out: rollback segment header, page - x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the header */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; trx_rsegf_t* header; @@ -75,15 +73,15 @@ trx_rsegf_get_new( } /******************************************************************* -Gets the file page number of the nth undo log slot. */ +Gets the file page number of the nth undo log slot. +@return page number of the undo log segment */ UNIV_INLINE ulint trx_rsegf_get_nth_undo( /*===================*/ - /* out: page number of the undo log segment */ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - ulint n, /* in: index of slot */ - mtr_t* mtr) /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + mtr_t* mtr) /*!< in: mtr */ { if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { fprintf(stderr, @@ -102,10 +100,10 @@ UNIV_INLINE void trx_rsegf_set_nth_undo( /*===================*/ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - ulint n, /* in: index of slot */ - ulint page_no,/* in: page number of the undo log segment */ - mtr_t* mtr) /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + ulint page_no,/*!< in: page number of the undo log segment */ + mtr_t* mtr) /*!< in: mtr */ { if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { fprintf(stderr, @@ -119,15 +117,14 @@ trx_rsegf_set_nth_undo( } /******************************************************************** -Looks for a free slot for an undo log segment. */ +Looks for a free slot for an undo log segment. +@return slot index or ULINT_UNDEFINED if not found */ UNIV_INLINE ulint trx_rsegf_undo_find_free( /*=====================*/ - /* out: slot index or ULINT_UNDEFINED if not - found */ - trx_rsegf_t* rsegf, /* in: rollback segment header */ - mtr_t* mtr) /* in: mtr */ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; ulint page_no; diff --git a/include/trx0sys.h b/include/trx0sys.h index e0a9d3ee0d6..90c23d5588c 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -84,7 +84,7 @@ UNIV_INTERN void trx_sys_doublewrite_init_or_restore_pages( /*======================================*/ - ibool restore_corrupt_pages); /* in: TRUE=restore pages */ + ibool restore_corrupt_pages); /*!< in: TRUE=restore pages */ /******************************************************************** Marks the trx sys header when we have successfully upgraded to the >= 4.1.x multiple tablespace format. */ @@ -93,23 +93,22 @@ void trx_sys_mark_upgraded_to_multiple_tablespaces(void); /*===============================================*/ /******************************************************************** -Determines if a page number is located inside the doublewrite buffer. */ +Determines if a page number is located inside the doublewrite buffer. +@return TRUE if the location is inside the two blocks of the doublewrite buffer */ UNIV_INTERN ibool trx_doublewrite_page_inside( /*========================*/ - /* out: TRUE if the location is inside - the two blocks of the doublewrite buffer */ - ulint page_no); /* in: page number */ + ulint page_no); /*!< in: page number */ /******************************************************************* -Checks if a page address is the trx sys header page. */ +Checks if a page address is the trx sys header page. +@return TRUE if trx sys header page */ UNIV_INLINE ibool trx_sys_hdr_page( /*=============*/ - /* out: TRUE if trx sys header page */ - ulint space, /* in: space */ - ulint page_no);/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no);/*!< in: page number */ /********************************************************************* Creates and initializes the central memory structures for the transaction system. This is called when the database is started. */ @@ -124,65 +123,62 @@ void trx_sys_create(void); /*================*/ /******************************************************************** -Looks for a free slot for a rollback segment in the trx system file copy. */ +Looks for a free slot for a rollback segment in the trx system file copy. +@return slot index or ULINT_UNDEFINED if not found */ UNIV_INTERN ulint trx_sysf_rseg_find_free( /*====================*/ - /* out: slot index or ULINT_UNDEFINED - if not found */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /******************************************************************* -Gets the pointer in the nth slot of the rseg array. */ +Gets the pointer in the nth slot of the rseg array. +@return pointer to rseg object, NULL if slot not in use */ UNIV_INLINE trx_rseg_t* trx_sys_get_nth_rseg( /*=================*/ - /* out: pointer to rseg object, NULL if slot - not in use */ - trx_sys_t* sys, /* in: trx system */ - ulint n); /* in: index of slot */ + trx_sys_t* sys, /*!< in: trx system */ + ulint n); /*!< in: index of slot */ /******************************************************************* Sets the pointer in the nth slot of the rseg array. */ UNIV_INLINE void trx_sys_set_nth_rseg( /*=================*/ - trx_sys_t* sys, /* in: trx system */ - ulint n, /* in: index of slot */ - trx_rseg_t* rseg); /* in: pointer to rseg object, NULL if slot + trx_sys_t* sys, /*!< in: trx system */ + ulint n, /*!< in: index of slot */ + trx_rseg_t* rseg); /*!< in: pointer to rseg object, NULL if slot not in use */ /************************************************************************** -Gets a pointer to the transaction system file copy and x-locks its page. */ +Gets a pointer to the transaction system file copy and x-locks its page. +@return pointer to system file copy, page x-locked */ UNIV_INLINE trx_sysf_t* trx_sysf_get( /*=========*/ - /* out: pointer to system file copy, page x-locked */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Gets the space of the nth rollback segment slot in the trx system -file copy. */ +file copy. +@return space id */ UNIV_INLINE ulint trx_sysf_rseg_get_space( /*====================*/ - /* out: space id */ - trx_sysf_t* sys_header, /* in: trx sys file copy */ - ulint i, /* in: slot index == rseg id */ - mtr_t* mtr); /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Gets the page number of the nth rollback segment slot in the trx system -file copy. */ +file copy. +@return page number, FIL_NULL if slot unused */ UNIV_INLINE ulint trx_sysf_rseg_get_page_no( /*======================*/ - /* out: page number, FIL_NULL - if slot unused */ - trx_sysf_t* sys_header, /* in: trx sys file copy */ - ulint i, /* in: slot index == rseg id */ - mtr_t* mtr); /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Sets the space id of the nth rollback segment slot in the trx system file copy. */ @@ -190,10 +186,10 @@ UNIV_INLINE void trx_sysf_rseg_set_space( /*====================*/ - trx_sysf_t* sys_header, /* in: trx sys file copy */ - ulint i, /* in: slot index == rseg id */ - ulint space, /* in: space id */ - mtr_t* mtr); /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint space, /*!< in: space id */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Sets the page number of the nth rollback segment slot in the trx system file copy. */ @@ -201,25 +197,25 @@ UNIV_INLINE void trx_sysf_rseg_set_page_no( /*======================*/ - trx_sysf_t* sys_header, /* in: trx sys file copy */ - ulint i, /* in: slot index == rseg id */ - ulint page_no, /* in: page number, FIL_NULL if + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint page_no, /*!< in: page number, FIL_NULL if the slot is reset to unused */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* -Allocates a new transaction id. */ +Allocates a new transaction id. +@return new, allocated trx id */ UNIV_INLINE trx_id_t trx_sys_get_new_trx_id(void); /*========================*/ - /* out: new, allocated trx id */ /********************************************************************* -Allocates a new transaction number. */ +Allocates a new transaction number. +@return new, allocated trx number */ UNIV_INLINE trx_id_t trx_sys_get_new_trx_no(void); /*========================*/ - /* out: new, allocated trx number */ #endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a trx id to an index page. In case that the id size changes in @@ -229,54 +225,53 @@ UNIV_INLINE void trx_write_trx_id( /*=============*/ - byte* ptr, /* in: pointer to memory where written */ - trx_id_t id); /* in: id */ + byte* ptr, /*!< in: pointer to memory where written */ + trx_id_t id); /*!< in: id */ #ifndef UNIV_HOTBACKUP /********************************************************************* Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of -mach_read_... */ +mach_read_... +@return id */ UNIV_INLINE trx_id_t trx_read_trx_id( /*============*/ - /* out: id */ - const byte* ptr); /* in: pointer to memory from where to read */ + const byte* ptr); /*!< in: pointer to memory from where to read */ /******************************************************************** -Looks for the trx handle with the given id in trx_list. */ +Looks for the trx handle with the given id in trx_list. +@return the trx handle or NULL if not found */ UNIV_INLINE trx_t* trx_get_on_id( /*==========*/ - /* out: the trx handle or NULL if not found */ - trx_id_t trx_id);/* in: trx id to search for */ + trx_id_t trx_id);/*!< in: trx id to search for */ /******************************************************************** Returns the minumum trx id in trx list. This is the smallest id for which the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already -committed.) */ +committed.) +@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ UNIV_INLINE trx_id_t trx_list_get_min_trx_id(void); /*=========================*/ - /* out: the minimum trx id, or trx_sys->max_trx_id - if the trx list is empty */ /******************************************************************** -Checks if a transaction with the given id is active. */ +Checks if a transaction with the given id is active. +@return TRUE if active */ UNIV_INLINE ibool trx_is_active( /*==========*/ - /* out: TRUE if active */ - trx_id_t trx_id);/* in: trx id of the transaction */ + trx_id_t trx_id);/*!< in: trx id of the transaction */ /******************************************************************** -Checks that trx is in the trx list. */ +Checks that trx is in the trx list. +@return TRUE if is in */ UNIV_INTERN ibool trx_in_trx_list( /*============*/ - /* out: TRUE if is in */ - trx_t* in_trx);/* in: trx */ + trx_t* in_trx);/*!< in: trx */ /********************************************************************* Updates the offset information about the end of the MySQL binlog entry which corresponds to the transaction just being committed. In a MySQL @@ -286,11 +281,11 @@ UNIV_INTERN void trx_sys_update_mysql_binlog_offset( /*===============================*/ - const char* file_name,/* in: MySQL log file name */ - ib_int64_t offset, /* in: position in that log file */ - ulint field, /* in: offset of the MySQL log info field in + const char* file_name,/*!< in: MySQL log file name */ + ib_int64_t offset, /*!< in: position in that log file */ + ulint field, /*!< in: offset of the MySQL log info field in the trx sys header */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************* Prints to stderr the MySQL binlog offset info in the trx system header if the magic number shows it valid. */ @@ -327,50 +322,49 @@ void trx_sys_file_format_tag_init(void); /*==============================*/ /********************************************************************* -Get the name representation of the file format from its id. */ +Get the name representation of the file format from its id. +@return pointer to the name */ UNIV_INTERN const char* trx_sys_file_format_id_to_name( /*===========================*/ - /* out: pointer to the name */ - const ulint id); /* in: id of the file format */ + const ulint id); /*!< in: id of the file format */ /********************************************************************* Set the file format id unconditionally except if it's already the -same value. */ +same value. +@return TRUE if value updated */ UNIV_INTERN ibool trx_sys_file_format_max_set( /*========================*/ - /* out: TRUE if value updated */ - ulint format_id, /* in: file format id */ - const char** name); /* out: max file format name or + ulint format_id, /*!< in: file format id */ + const char** name); /*!< out: max file format name or NULL if not needed. */ /********************************************************************* -Get the name representation of the file format from its id. */ +Get the name representation of the file format from its id. +@return pointer to the max format name */ UNIV_INTERN const char* trx_sys_file_format_max_get(void); /*=============================*/ - /* out: pointer to the max format name */ /********************************************************************* -Check for the max file format tag stored on disk. */ +Check for the max file format tag stored on disk. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint trx_sys_file_format_max_check( /*==========================*/ - /* out: DB_SUCCESS or error code */ - ulint max_format_id); /* in: the max format id to check */ + ulint max_format_id); /*!< in: the max format id to check */ /************************************************************************ Update the file format tag in the system tablespace only if the given -format id is greater than the known max id. */ +format id is greater than the known max id. +@return TRUE if format_id was bigger than the known max id */ UNIV_INTERN ibool trx_sys_file_format_max_upgrade( /*============================*/ - /* out: TRUE if format_id was - bigger than the known max id */ - const char** name, /* out: max file format name */ - ulint format_id); /* in: file format identifier */ + const char** name, /*!< out: max file format name */ + ulint format_id); /*!< in: file format identifier */ #else /* !UNIV_HOTBACKUP */ /********************************************************************* Prints to stderr the MySQL binlog info in the system header if the @@ -379,7 +373,7 @@ UNIV_INTERN void trx_sys_print_mysql_binlog_offset_from_page( /*========================================*/ - const byte* page); /* in: buffer containing the trx + const byte* page); /*!< in: buffer containing the trx system header page, i.e., page number TRX_SYS_PAGE_NO in the tablespace */ #endif /* !UNIV_HOTBACKUP */ diff --git a/include/trx0sys.ic b/include/trx0sys.ic index 41e0c4a6b43..a1adf4f30b8 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -51,14 +51,14 @@ trx_sys_flush_max_trx_id(void); /*==========================*/ /******************************************************************* -Checks if a page address is the trx sys header page. */ +Checks if a page address is the trx sys header page. +@return TRUE if trx sys header page */ UNIV_INLINE ibool trx_sys_hdr_page( /*=============*/ - /* out: TRUE if trx sys header page */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { if ((space == TRX_SYS_SPACE) && (page_no == TRX_SYS_PAGE_NO)) { @@ -69,15 +69,14 @@ trx_sys_hdr_page( } /******************************************************************* -Gets the pointer in the nth slot of the rseg array. */ +Gets the pointer in the nth slot of the rseg array. +@return pointer to rseg object, NULL if slot not in use */ UNIV_INLINE trx_rseg_t* trx_sys_get_nth_rseg( /*=================*/ - /* out: pointer to rseg object, NULL if slot - not in use */ - trx_sys_t* sys, /* in: trx system */ - ulint n) /* in: index of slot */ + trx_sys_t* sys, /*!< in: trx system */ + ulint n) /*!< in: index of slot */ { ut_ad(mutex_own(&(kernel_mutex))); ut_ad(n < TRX_SYS_N_RSEGS); @@ -91,9 +90,9 @@ UNIV_INLINE void trx_sys_set_nth_rseg( /*=================*/ - trx_sys_t* sys, /* in: trx system */ - ulint n, /* in: index of slot */ - trx_rseg_t* rseg) /* in: pointer to rseg object, NULL if slot + trx_sys_t* sys, /*!< in: trx system */ + ulint n, /*!< in: index of slot */ + trx_rseg_t* rseg) /*!< in: pointer to rseg object, NULL if slot not in use */ { ut_ad(n < TRX_SYS_N_RSEGS); @@ -102,13 +101,13 @@ trx_sys_set_nth_rseg( } /************************************************************************** -Gets a pointer to the transaction system header and x-latches its page. */ +Gets a pointer to the transaction system header and x-latches its page. +@return pointer to system header, page x-latched. */ UNIV_INLINE trx_sysf_t* trx_sysf_get( /*=========*/ - /* out: pointer to system header, page x-latched. */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; trx_sysf_t* header; @@ -126,15 +125,15 @@ trx_sysf_get( /********************************************************************* Gets the space of the nth rollback segment slot in the trx system -file copy. */ +file copy. +@return space id */ UNIV_INLINE ulint trx_sysf_rseg_get_space( /*====================*/ - /* out: space id */ - trx_sysf_t* sys_header, /* in: trx sys header */ - ulint i, /* in: slot index == rseg id */ - mtr_t* mtr) /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx sys header */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mutex_own(&(kernel_mutex))); ut_ad(sys_header); @@ -147,16 +146,15 @@ trx_sysf_rseg_get_space( /********************************************************************* Gets the page number of the nth rollback segment slot in the trx system -header. */ +header. +@return page number, FIL_NULL if slot unused */ UNIV_INLINE ulint trx_sysf_rseg_get_page_no( /*======================*/ - /* out: page number, FIL_NULL - if slot unused */ - trx_sysf_t* sys_header, /* in: trx system header */ - ulint i, /* in: slot index == rseg id */ - mtr_t* mtr) /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx system header */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(sys_header); ut_ad(mutex_own(&(kernel_mutex))); @@ -174,10 +172,10 @@ UNIV_INLINE void trx_sysf_rseg_set_space( /*====================*/ - trx_sysf_t* sys_header, /* in: trx sys file copy */ - ulint i, /* in: slot index == rseg id */ - ulint space, /* in: space id */ - mtr_t* mtr) /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint space, /*!< in: space id */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mutex_own(&(kernel_mutex))); ut_ad(sys_header); @@ -197,11 +195,11 @@ UNIV_INLINE void trx_sysf_rseg_set_page_no( /*======================*/ - trx_sysf_t* sys_header, /* in: trx sys header */ - ulint i, /* in: slot index == rseg id */ - ulint page_no, /* in: page number, FIL_NULL if the + trx_sysf_t* sys_header, /*!< in: trx sys header */ + ulint i, /*!< in: slot index == rseg id */ + ulint page_no, /*!< in: page number, FIL_NULL if the slot is reset to unused */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ut_ad(mutex_own(&(kernel_mutex))); ut_ad(sys_header); @@ -223,8 +221,8 @@ UNIV_INLINE void trx_write_trx_id( /*=============*/ - byte* ptr, /* in: pointer to memory where written */ - trx_id_t id) /* in: id */ + byte* ptr, /*!< in: pointer to memory where written */ + trx_id_t id) /*!< in: id */ { #if DATA_TRX_ID_LEN != 6 # error "DATA_TRX_ID_LEN != 6" @@ -236,13 +234,13 @@ trx_write_trx_id( /********************************************************************* Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of -mach_read_... */ +mach_read_... +@return id */ UNIV_INLINE trx_id_t trx_read_trx_id( /*============*/ - /* out: id */ - const byte* ptr) /* in: pointer to memory from where to read */ + const byte* ptr) /*!< in: pointer to memory from where to read */ { #if DATA_TRX_ID_LEN != 6 # error "DATA_TRX_ID_LEN != 6" @@ -251,13 +249,13 @@ trx_read_trx_id( } /******************************************************************** -Looks for the trx handle with the given id in trx_list. */ +Looks for the trx handle with the given id in trx_list. +@return the trx handle or NULL if not found */ UNIV_INLINE trx_t* trx_get_on_id( /*==========*/ - /* out: the trx handle or NULL if not found */ - trx_id_t trx_id) /* in: trx id to search for */ + trx_id_t trx_id) /*!< in: trx id to search for */ { trx_t* trx; @@ -281,13 +279,12 @@ trx_get_on_id( Returns the minumum trx id in trx list. This is the smallest id for which the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already -committed.) */ +committed.) +@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ UNIV_INLINE trx_id_t trx_list_get_min_trx_id(void) /*=========================*/ - /* out: the minimum trx id, or trx_sys->max_trx_id - if the trx list is empty */ { trx_t* trx; @@ -304,13 +301,13 @@ trx_list_get_min_trx_id(void) } /******************************************************************** -Checks if a transaction with the given id is active. */ +Checks if a transaction with the given id is active. +@return TRUE if active */ UNIV_INLINE ibool trx_is_active( /*==========*/ - /* out: TRUE if active */ - trx_id_t trx_id) /* in: trx id of the transaction */ + trx_id_t trx_id) /*!< in: trx id of the transaction */ { trx_t* trx; @@ -342,12 +339,12 @@ trx_is_active( } /********************************************************************* -Allocates a new transaction id. */ +Allocates a new transaction id. +@return new, allocated trx id */ UNIV_INLINE trx_id_t trx_sys_get_new_trx_id(void) /*========================*/ - /* out: new, allocated trx id */ { trx_id_t id; @@ -374,12 +371,12 @@ trx_sys_get_new_trx_id(void) } /********************************************************************* -Allocates a new transaction number. */ +Allocates a new transaction number. +@return new, allocated trx number */ UNIV_INLINE trx_id_t trx_sys_get_new_trx_no(void) /*========================*/ - /* out: new, allocated trx number */ { ut_ad(mutex_own(&kernel_mutex)); diff --git a/include/trx0trx.h b/include/trx0trx.h index c45419539f1..8794c727027 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -50,15 +50,15 @@ UNIV_INTERN void trx_search_latch_release_if_reserved( /*=================================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /********************************************************************** Set detailed error message for the transaction. */ UNIV_INTERN void trx_set_detailed_error( /*===================*/ - trx_t* trx, /* in: transaction struct */ - const char* msg); /* in: detailed error message */ + trx_t* trx, /*!< in: transaction struct */ + const char* msg); /*!< in: detailed error message */ /***************************************************************** Set detailed error message for the transaction from a file. Note that the file is rewinded before reading from it. */ @@ -66,60 +66,60 @@ UNIV_INTERN void trx_set_detailed_error_from_file( /*=============================*/ - trx_t* trx, /* in: transaction struct */ - FILE* file); /* in: file to read message from */ + trx_t* trx, /*!< in: transaction struct */ + FILE* file); /*!< in: file to read message from */ /******************************************************************** -Retrieves the error_info field from a trx. */ +Retrieves the error_info field from a trx. +@return the error info */ UNIV_INLINE const dict_index_t* trx_get_error_info( /*===============*/ - /* out: the error info */ - const trx_t* trx); /* in: trx object */ + const trx_t* trx); /*!< in: trx object */ /******************************************************************** -Creates and initializes a transaction object. */ +Creates and initializes a transaction object. +@return own: the transaction */ UNIV_INTERN trx_t* trx_create( /*=======*/ - /* out, own: the transaction */ - sess_t* sess) /* in: session */ + sess_t* sess) /*!< in: session */ __attribute__((nonnull)); /************************************************************************ -Creates a transaction object for MySQL. */ +Creates a transaction object for MySQL. +@return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_mysql(void); /*========================*/ - /* out, own: transaction object */ /************************************************************************ -Creates a transaction object for background operations by the master thread. */ +Creates a transaction object for background operations by the master thread. +@return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_background(void); /*=============================*/ - /* out, own: transaction object */ /************************************************************************ Frees a transaction object. */ UNIV_INTERN void trx_free( /*=====*/ - trx_t* trx); /* in, own: trx object */ + trx_t* trx); /*!< in, own: trx object */ /************************************************************************ Frees a transaction object for MySQL. */ UNIV_INTERN void trx_free_for_mysql( /*===============*/ - trx_t* trx); /* in, own: trx object */ + trx_t* trx); /*!< in, own: trx object */ /************************************************************************ Frees a transaction object of a background operation of the master thread. */ UNIV_INTERN void trx_free_for_background( /*====================*/ - trx_t* trx); /* in, own: trx object */ + trx_t* trx); /*!< in, own: trx object */ /******************************************************************** Creates trx objects for transactions and initializes the trx list of trx_sys at database start. Rollback segment and undo log lists must @@ -131,26 +131,25 @@ void trx_lists_init_at_db_start(void); /*============================*/ /******************************************************************** -Starts a new transaction. */ +Starts a new transaction. +@return TRUE if success, FALSE if the rollback segment could not support this many transactions */ UNIV_INTERN ibool trx_start( /*======*/ - /* out: TRUE if success, FALSE if the rollback - segment could not support this many transactions */ - trx_t* trx, /* in: transaction */ - ulint rseg_id);/* in: rollback segment id; if ULINT_UNDEFINED + trx_t* trx, /*!< in: transaction */ + ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ /******************************************************************** -Starts a new transaction. */ +Starts a new transaction. +@return TRUE */ UNIV_INTERN ibool trx_start_low( /*==========*/ - /* out: TRUE */ - trx_t* trx, /* in: transaction */ - ulint rseg_id);/* in: rollback segment id; if ULINT_UNDEFINED + trx_t* trx, /*!< in: transaction */ + ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ /***************************************************************** @@ -159,7 +158,7 @@ UNIV_INLINE void trx_start_if_not_started( /*=====================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /***************************************************************** Starts the transaction if it is not yet started. Assumes we have reserved the kernel mutex! */ @@ -167,14 +166,14 @@ UNIV_INLINE void trx_start_if_not_started_low( /*=========================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /******************************************************************** Commits a transaction. */ UNIV_INTERN void trx_commit_off_kernel( /*==================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /******************************************************************** Cleans up a transaction at database startup. The cleanup is needed if the transaction already got to the middle of a commit when the database @@ -183,68 +182,68 @@ UNIV_INTERN void trx_cleanup_at_db_startup( /*======================*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /************************************************************************** -Does the transaction commit for MySQL. */ +Does the transaction commit for MySQL. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint trx_commit_for_mysql( /*=================*/ - /* out: DB_SUCCESS or error number */ - trx_t* trx); /* in: trx handle */ + trx_t* trx); /*!< in: trx handle */ /************************************************************************** -Does the transaction prepare for MySQL. */ +Does the transaction prepare for MySQL. +@return 0 or error number */ UNIV_INTERN ulint trx_prepare_for_mysql( /*==================*/ - /* out: 0 or error number */ - trx_t* trx); /* in: trx handle */ + trx_t* trx); /*!< in: trx handle */ /************************************************************************** This function is used to find number of prepared transactions and -their transaction objects for a recovery. */ +their transaction objects for a recovery. +@return number of prepared transactions */ UNIV_INTERN int trx_recover_for_mysql( /*==================*/ - /* out: number of prepared transactions */ - XID* xid_list, /* in/out: prepared transactions */ - ulint len); /* in: number of slots in xid_list */ + XID* xid_list, /*!< in/out: prepared transactions */ + ulint len); /*!< in: number of slots in xid_list */ /*********************************************************************** This function is used to find one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return trx or NULL */ UNIV_INTERN trx_t * trx_get_trx_by_xid( /*===============*/ - /* out: trx or NULL */ - XID* xid); /* in: X/Open XA transaction identification */ + XID* xid); /*!< in: X/Open XA transaction identification */ /************************************************************************** If required, flushes the log to disk if we called trx_commit_for_mysql() -with trx->flush_log_later == TRUE. */ +with trx->flush_log_later == TRUE. +@return 0 or error number */ UNIV_INTERN ulint trx_commit_complete_for_mysql( /*==========================*/ - /* out: 0 or error number */ - trx_t* trx); /* in: trx handle */ + trx_t* trx); /*!< in: trx handle */ /************************************************************************** Marks the latest SQL statement ended. */ UNIV_INTERN void trx_mark_sql_stat_end( /*==================*/ - trx_t* trx); /* in: trx handle */ + trx_t* trx); /*!< in: trx handle */ /************************************************************************ Assigns a read view for a consistent read query. All the consistent reads within the same transaction will get the same read view, which is created -when this function is first called for a new started transaction. */ +when this function is first called for a new started transaction. +@return consistent read view */ UNIV_INTERN read_view_t* trx_assign_read_view( /*=================*/ - /* out: consistent read view */ - trx_t* trx); /* in: active transaction */ + trx_t* trx); /*!< in: active transaction */ /*************************************************************** The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to the TRX_QUE_RUNNING state and releases query threads which were @@ -253,23 +252,23 @@ UNIV_INTERN void trx_end_lock_wait( /*==============*/ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ /******************************************************************** Sends a signal to a trx object. */ UNIV_INTERN void trx_sig_send( /*=========*/ - trx_t* trx, /* in: trx handle */ - ulint type, /* in: signal type */ - ulint sender, /* in: TRX_SIG_SELF or + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender, /*!< in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ - que_thr_t* receiver_thr, /* in: query thread which wants the + que_thr_t* receiver_thr, /*!< in: query thread which wants the reply, or NULL; if type is TRX_SIG_END_WAIT, this must be NULL */ - trx_savept_t* savept, /* in: possible rollback savepoint, or + trx_savept_t* savept, /*!< in: possible rollback savepoint, or NULL */ - que_thr_t** next_thr); /* in/out: next query thread to run; + que_thr_t** next_thr); /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -282,8 +281,8 @@ UNIV_INTERN void trx_sig_reply( /*==========*/ - trx_sig_t* sig, /* in: signal */ - que_thr_t** next_thr); /* in/out: next query thread to run; + trx_sig_t* sig, /*!< in: signal */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -294,16 +293,16 @@ UNIV_INTERN void trx_sig_remove( /*===========*/ - trx_t* trx, /* in: trx handle */ - trx_sig_t* sig); /* in, own: signal */ + trx_t* trx, /*!< in: trx handle */ + trx_sig_t* sig); /*!< in, own: signal */ /******************************************************************** Starts handling of a trx signal. */ UNIV_INTERN void trx_sig_start_handle( /*=================*/ - trx_t* trx, /* in: trx handle */ - que_thr_t** next_thr); /* in/out: next query thread to run; + trx_t* trx, /*!< in: trx handle */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -317,23 +316,23 @@ UNIV_INTERN void trx_end_signal_handling( /*====================*/ - trx_t* trx); /* in: trx */ + trx_t* trx); /*!< in: trx */ /************************************************************************* -Creates a commit command node struct. */ +Creates a commit command node struct. +@return own: commit node struct */ UNIV_INTERN commit_node_t* commit_node_create( /*===============*/ - /* out, own: commit node struct */ - mem_heap_t* heap); /* in: mem heap where created */ + mem_heap_t* heap); /*!< in: mem heap where created */ /*************************************************************** -Performs an execution step for a commit type node in a query graph. */ +Performs an execution step for a commit type node in a query graph. +@return query thread to run next, or NULL */ UNIV_INTERN que_thr_t* trx_commit_step( /*============*/ - /* out: query thread to run next, or NULL */ - que_thr_t* thr); /* in: query thread */ + que_thr_t* thr); /*!< in: query thread */ /************************************************************************** Prints info about a transaction to the given file. The caller must own the @@ -344,9 +343,9 @@ UNIV_INTERN void trx_print( /*======*/ - FILE* f, /* in: output stream */ - trx_t* trx, /* in: transaction */ - ulint max_query_len); /* in: max query length to print, or 0 to + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ulint max_query_len); /*!< in: max query length to print, or 0 to use the default max length */ /** Type of data dictionary operation */ @@ -365,13 +364,13 @@ enum trx_dict_op { }; /************************************************************************** -Determine if a transaction is a dictionary operation. */ +Determine if a transaction is a dictionary operation. +@return dictionary operation mode */ UNIV_INLINE enum trx_dict_op trx_get_dict_operation( /*===================*/ - /* out: dictionary operation mode */ - const trx_t* trx) /* in: transaction */ + const trx_t* trx) /*!< in: transaction */ __attribute__((pure)); /************************************************************************** Flag a transaction a dictionary operation. */ @@ -379,19 +378,19 @@ UNIV_INLINE void trx_set_dict_operation( /*===================*/ - trx_t* trx, /* in/out: transaction */ - enum trx_dict_op op); /* in: operation, not + trx_t* trx, /*!< in/out: transaction */ + enum trx_dict_op op); /*!< in: operation, not TRX_DICT_OP_NONE */ #ifndef UNIV_HOTBACKUP /************************************************************************** -Determines if the currently running transaction has been interrupted. */ +Determines if the currently running transaction has been interrupted. +@return TRUE if interrupted */ UNIV_INTERN ibool trx_is_interrupted( /*===============*/ - /* out: TRUE if interrupted */ - trx_t* trx); /* in: transaction */ + trx_t* trx); /*!< in: transaction */ #else /* !UNIV_HOTBACKUP */ #define trx_is_interrupted(trx) FALSE #endif /* !UNIV_HOTBACKUP */ @@ -399,7 +398,7 @@ trx_is_interrupted( /*********************************************************************** Calculates the "weight" of a transaction. The weight of one transaction is estimated as the number of altered rows + the number of locked rows. -*/ + */ #define TRX_WEIGHT(t) \ ut_dulint_add((t)->undo_no, UT_LIST_GET_LEN((t)->trx_locks)) @@ -407,23 +406,23 @@ is estimated as the number of altered rows + the number of locked rows. /*********************************************************************** Compares the "weight" (or size) of two transactions. Transactions that have edited non-transactional tables are considered heavier than ones -that have not. */ +that have not. +@return <0, 0 or >0; similar to strcmp(3) */ UNIV_INTERN int trx_weight_cmp( /*===========*/ - /* out: <0, 0 or >0; similar to strcmp(3) */ - const trx_t* a, /* in: the first transaction to be compared */ - const trx_t* b); /* in: the second transaction to be compared */ + const trx_t* a, /*!< in: the first transaction to be compared */ + const trx_t* b); /*!< in: the second transaction to be compared */ /*********************************************************************** -Retrieves transacion's id, represented as unsigned long long. */ +Retrieves transacion's id, represented as unsigned long long. +@return transaction's id */ UNIV_INLINE ullint trx_get_id( /*=======*/ - /* out: transaction's id */ - const trx_t* trx); /* in: transaction */ + const trx_t* trx); /*!< in: transaction */ /* Maximum length of a string that can be returned by trx_get_que_state_str(). */ @@ -431,13 +430,13 @@ trx_get_que_state_str(). */ /*********************************************************************** Retrieves transaction's que state in a human readable string. The string -should not be free()'d or modified. */ +should not be free()'d or modified. +@return string in the data segment */ UNIV_INLINE const char* trx_get_que_state_str( /*==================*/ - /* out: string in the data segment */ - const trx_t* trx); /* in: transaction */ + const trx_t* trx); /*!< in: transaction */ /* Signal to a transaction */ struct trx_sig_struct{ diff --git a/include/trx0trx.ic b/include/trx0trx.ic index 51212539c09..8dbc66296b2 100644 --- a/include/trx0trx.ic +++ b/include/trx0trx.ic @@ -28,7 +28,7 @@ UNIV_INLINE void trx_start_if_not_started( /*=====================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); @@ -45,7 +45,7 @@ UNIV_INLINE void trx_start_if_not_started_low( /*=========================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); @@ -56,38 +56,38 @@ trx_start_if_not_started_low( } /******************************************************************** -Retrieves the error_info field from a trx. */ +Retrieves the error_info field from a trx. +@return the error info */ UNIV_INLINE const dict_index_t* trx_get_error_info( /*===============*/ - /* out: the error info */ - const trx_t* trx) /* in: trx object */ + const trx_t* trx) /*!< in: trx object */ { return(trx->error_info); } /*********************************************************************** -Retrieves transacion's id, represented as unsigned long long. */ +Retrieves transacion's id, represented as unsigned long long. +@return transaction's id */ UNIV_INLINE ullint trx_get_id( /*=======*/ - /* out: transaction's id */ - const trx_t* trx) /* in: transaction */ + const trx_t* trx) /*!< in: transaction */ { return((ullint)ut_conv_dulint_to_longlong(trx->id)); } /*********************************************************************** Retrieves transaction's que state in a human readable string. The string -should not be free()'d or modified. */ +should not be free()'d or modified. +@return string in the data segment */ UNIV_INLINE const char* trx_get_que_state_str( /*==================*/ - /* out: string in the data segment */ - const trx_t* trx) /* in: transaction */ + const trx_t* trx) /*!< in: transaction */ { /* be sure to adjust TRX_QUE_STATE_STR_MAX_LEN if you change this */ switch (trx->que_state) { @@ -105,13 +105,13 @@ trx_get_que_state_str( } /************************************************************************** -Determine if a transaction is a dictionary operation. */ +Determine if a transaction is a dictionary operation. +@return dictionary operation mode */ UNIV_INLINE enum trx_dict_op trx_get_dict_operation( /*===================*/ - /* out: dictionary operation mode */ - const trx_t* trx) /* in: transaction */ + const trx_t* trx) /*!< in: transaction */ { enum trx_dict_op op = (enum trx_dict_op) trx->dict_operation; @@ -132,8 +132,8 @@ UNIV_INLINE void trx_set_dict_operation( /*===================*/ - trx_t* trx, /* in/out: transaction */ - enum trx_dict_op op) /* in: operation, not + trx_t* trx, /*!< in/out: transaction */ + enum trx_dict_op op) /*!< in: operation, not TRX_DICT_OP_NONE */ { #ifdef UNIV_DEBUG diff --git a/include/trx0undo.h b/include/trx0undo.h index 6f99f129247..82e3c97cd34 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -34,36 +34,36 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP /*************************************************************************** -Builds a roll pointer. */ +Builds a roll pointer. +@return roll pointer */ UNIV_INLINE roll_ptr_t trx_undo_build_roll_ptr( /*====================*/ - /* out: roll pointer */ - ibool is_insert, /* in: TRUE if insert undo log */ - ulint rseg_id, /* in: rollback segment id */ - ulint page_no, /* in: page number */ - ulint offset); /* in: offset of the undo entry within page */ + ibool is_insert, /*!< in: TRUE if insert undo log */ + ulint rseg_id, /*!< in: rollback segment id */ + ulint page_no, /*!< in: page number */ + ulint offset); /*!< in: offset of the undo entry within page */ /*************************************************************************** Decodes a roll pointer. */ UNIV_INLINE void trx_undo_decode_roll_ptr( /*=====================*/ - roll_ptr_t roll_ptr, /* in: roll pointer */ - ibool* is_insert, /* out: TRUE if insert undo log */ - ulint* rseg_id, /* out: rollback segment id */ - ulint* page_no, /* out: page number */ - ulint* offset); /* out: offset of the undo + roll_ptr_t roll_ptr, /*!< in: roll pointer */ + ibool* is_insert, /*!< out: TRUE if insert undo log */ + ulint* rseg_id, /*!< out: rollback segment id */ + ulint* page_no, /*!< out: page number */ + ulint* offset); /*!< out: offset of the undo entry within page */ /*************************************************************************** -Returns TRUE if the roll pointer is of the insert type. */ +Returns TRUE if the roll pointer is of the insert type. +@return TRUE if insert undo log */ UNIV_INLINE ibool trx_undo_roll_ptr_is_insert( /*========================*/ - /* out: TRUE if insert undo log */ - roll_ptr_t roll_ptr); /* in: roll pointer */ + roll_ptr_t roll_ptr); /*!< in: roll pointer */ #endif /* !UNIV_HOTBACKUP */ /********************************************************************* Writes a roll ptr to an index page. In case that the size changes in @@ -73,138 +73,134 @@ UNIV_INLINE void trx_write_roll_ptr( /*===============*/ - byte* ptr, /* in: pointer to memory where + byte* ptr, /*!< in: pointer to memory where written */ - roll_ptr_t roll_ptr); /* in: roll ptr */ + roll_ptr_t roll_ptr); /*!< in: roll ptr */ /********************************************************************* Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of -mach_read_... */ +mach_read_... +@return roll ptr */ UNIV_INLINE roll_ptr_t trx_read_roll_ptr( /*==============*/ - /* out: roll ptr */ - const byte* ptr); /* in: pointer to memory from where to read */ + const byte* ptr); /*!< in: pointer to memory from where to read */ #ifndef UNIV_HOTBACKUP /********************************************************************** -Gets an undo log page and x-latches it. */ +Gets an undo log page and x-latches it. +@return pointer to page x-latched */ UNIV_INLINE page_t* trx_undo_page_get( /*==============*/ - /* out: pointer to page x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** -Gets an undo log page and s-latches it. */ +Gets an undo log page and s-latches it. +@return pointer to page s-latched */ UNIV_INLINE page_t* trx_undo_page_get_s_latched( /*========================*/ - /* out: pointer to page s-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - mtr_t* mtr); /* in: mtr */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** Returns the previous undo record on the page in the specified log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_prev_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - trx_undo_rec_t* rec, /* in: undo log record */ - ulint page_no,/* in: undo log header page number */ - ulint offset);/* in: undo log header offset on page */ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ /********************************************************************** Returns the next undo log record on the page in the specified log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_next_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - trx_undo_rec_t* rec, /* in: undo log record */ - ulint page_no,/* in: undo log header page number */ - ulint offset);/* in: undo log header offset on page */ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ /********************************************************************** Returns the last undo record on the page in the specified undo log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_last_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset); /* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset); /*!< in: undo log header offset on page */ /********************************************************************** Returns the first undo record on the page in the specified undo log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_first_rec( /*========================*/ - /* out: pointer to record, NULL if none */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset);/* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ /*************************************************************************** -Gets the previous record in an undo log. */ +Gets the previous record in an undo log. +@return undo log record, the page s-latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_prev_rec( /*==================*/ - /* out: undo log record, the page s-latched, - NULL if none */ - trx_undo_rec_t* rec, /* in: undo record */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - mtr_t* mtr); /* in: mtr */ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr); /*!< in: mtr */ /*************************************************************************** -Gets the next record in an undo log. */ +Gets the next record in an undo log. +@return undo log record, the page s-latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_next_rec( /*==================*/ - /* out: undo log record, the page s-latched, - NULL if none */ - trx_undo_rec_t* rec, /* in: undo record */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - mtr_t* mtr); /* in: mtr */ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr); /*!< in: mtr */ /*************************************************************************** -Gets the first record in an undo log. */ +Gets the first record in an undo log. +@return undo log record, the page latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_first_rec( /*===================*/ - /* out: undo log record, the page latched, NULL if - none */ - ulint space, /* in: undo log header space */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - ulint mode, /* in: latching mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr); /* in: mtr */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************ -Tries to add a page to the undo log segment where the undo log is placed. */ +Tries to add a page to the undo log segment where the undo log is placed. +@return page number if success, else FIL_NULL */ UNIV_INTERN ulint trx_undo_add_page( /*==============*/ - /* out: page number if success, else - FIL_NULL */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory object */ - mtr_t* mtr); /* in: mtr which does not have a latch to any + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory object */ + mtr_t* mtr); /*!< in: mtr which does not have a latch to any undo log page; the caller must have reserved the rollback segment mutex */ /*************************************************************************** @@ -214,9 +210,9 @@ UNIV_INTERN void trx_undo_truncate_end( /*==================*/ - trx_t* trx, /* in: transaction whose undo log it is */ - trx_undo_t* undo, /* in: undo log */ - undo_no_t limit); /* in: all undo records with undo number + trx_t* trx, /*!< in: transaction whose undo log it is */ + trx_undo_t* undo, /*!< in: undo log */ + undo_no_t limit); /*!< in: all undo records with undo number >= this value should be truncated */ /*************************************************************************** Truncates an undo log from the start. This function is used during a purge @@ -225,11 +221,11 @@ UNIV_INTERN void trx_undo_truncate_start( /*====================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - ulint space, /* in: space id of the log */ - ulint hdr_page_no, /* in: header page number */ - ulint hdr_offset, /* in: header offset on the page */ - undo_no_t limit); /* in: all undo pages with + trx_rseg_t* rseg, /*!< in: rollback segment */ + ulint space, /*!< in: space id of the log */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset on the page */ + undo_no_t limit); /*!< in: all undo pages with undo numbers < this value should be truncated; NOTE that the function only frees whole @@ -239,50 +235,44 @@ trx_undo_truncate_start( /************************************************************************ Initializes the undo log lists for a rollback segment memory copy. This function is only called when the database is started or a new -rollback segment created. */ +rollback segment created. +@return the combined size of undo log segments in pages */ UNIV_INTERN ulint trx_undo_lists_init( /*================*/ - /* out: the combined size of undo log segments - in pages */ - trx_rseg_t* rseg); /* in: rollback segment memory object */ + trx_rseg_t* rseg); /*!< in: rollback segment memory object */ /************************************************************************** Assigns an undo log for a transaction. A new undo log is created or a cached -undo log reused. */ +undo log reused. +@return DB_SUCCESS if undo log assign successful, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ UNIV_INTERN ulint trx_undo_assign_undo( /*=================*/ - /* out: DB_SUCCESS if undo log assign - successful, possible error codes are: - DB_TOO_MANY_CONCURRENT_TRXS - DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY*/ - trx_t* trx, /* in: transaction */ - ulint type); /* in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ + trx_t* trx, /*!< in: transaction */ + ulint type); /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ /********************************************************************** -Sets the state of the undo log segment at a transaction finish. */ +Sets the state of the undo log segment at a transaction finish. +@return undo log segment header page, x-latched */ UNIV_INTERN page_t* trx_undo_set_state_at_finish( /*=========================*/ - /* out: undo log segment header page, - x-latched */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory copy */ - mtr_t* mtr); /* in: mtr */ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** -Sets the state of the undo log segment at a transaction prepare. */ +Sets the state of the undo log segment at a transaction prepare. +@return undo log segment header page, x-latched */ UNIV_INTERN page_t* trx_undo_set_state_at_prepare( /*==========================*/ - /* out: undo log segment header page, - x-latched */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory copy */ - mtr_t* mtr); /* in: mtr */ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** Adds the update undo log header as the first in the history list, and @@ -292,10 +282,10 @@ UNIV_INTERN void trx_undo_update_cleanup( /*====================*/ - trx_t* trx, /* in: trx owning the update undo log */ - page_t* undo_page, /* in: update undo log header page, + trx_t* trx, /*!< in: trx owning the update undo log */ + page_t* undo_page, /*!< in: update undo log header page, x-latched */ - mtr_t* mtr); /* in: mtr */ + mtr_t* mtr); /*!< in: mtr */ /********************************************************************** Frees or caches an insert undo log after a transaction commit or rollback. Knowledge of inserts is not needed after a commit or rollback, therefore @@ -304,42 +294,42 @@ UNIV_INTERN void trx_undo_insert_cleanup( /*====================*/ - trx_t* trx); /* in: transaction handle */ + trx_t* trx); /*!< in: transaction handle */ #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses the redo log entry of an undo log page initialization. */ +Parses the redo log entry of an undo log page initialization. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_page_init( /*=====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ /*************************************************************** -Parses the redo log entry of an undo log page header create or reuse. */ +Parses the redo log entry of an undo log page header create or reuse. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_page_header( /*=======================*/ - /* out: end of log record or NULL */ - ulint type, /* in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ /*************************************************************** -Parses the redo log entry of an undo log page header discard. */ +Parses the redo log entry of an undo log page header discard. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_discard_latest( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr); /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ /* Types of an undo log segment */ #define TRX_UNDO_INSERT 1 /* contains undo entries for inserts */ diff --git a/include/trx0undo.ic b/include/trx0undo.ic index 3ae948931a2..0c519ccef23 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -27,16 +27,16 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP /*************************************************************************** -Builds a roll pointer. */ +Builds a roll pointer. +@return roll pointer */ UNIV_INLINE roll_ptr_t trx_undo_build_roll_ptr( /*====================*/ - /* out: roll pointer */ - ibool is_insert, /* in: TRUE if insert undo log */ - ulint rseg_id, /* in: rollback segment id */ - ulint page_no, /* in: page number */ - ulint offset) /* in: offset of the undo entry within page */ + ibool is_insert, /*!< in: TRUE if insert undo log */ + ulint rseg_id, /*!< in: rollback segment id */ + ulint page_no, /*!< in: page number */ + ulint offset) /*!< in: offset of the undo entry within page */ { #if DATA_ROLL_PTR_LEN != 7 # error "DATA_ROLL_PTR_LEN != 7" @@ -56,11 +56,11 @@ UNIV_INLINE void trx_undo_decode_roll_ptr( /*=====================*/ - roll_ptr_t roll_ptr, /* in: roll pointer */ - ibool* is_insert, /* out: TRUE if insert undo log */ - ulint* rseg_id, /* out: rollback segment id */ - ulint* page_no, /* out: page number */ - ulint* offset) /* out: offset of the undo + roll_ptr_t roll_ptr, /*!< in: roll pointer */ + ibool* is_insert, /*!< out: TRUE if insert undo log */ + ulint* rseg_id, /*!< out: rollback segment id */ + ulint* page_no, /*!< out: page number */ + ulint* offset) /*!< out: offset of the undo entry within page */ { ulint low; @@ -84,13 +84,13 @@ trx_undo_decode_roll_ptr( } /*************************************************************************** -Returns TRUE if the roll pointer is of the insert type. */ +Returns TRUE if the roll pointer is of the insert type. +@return TRUE if insert undo log */ UNIV_INLINE ibool trx_undo_roll_ptr_is_insert( /*========================*/ - /* out: TRUE if insert undo log */ - roll_ptr_t roll_ptr) /* in: roll pointer */ + roll_ptr_t roll_ptr) /*!< in: roll pointer */ { ulint high; #if DATA_ROLL_PTR_LEN != 7 @@ -113,9 +113,9 @@ UNIV_INLINE void trx_write_roll_ptr( /*===============*/ - byte* ptr, /* in: pointer to memory where + byte* ptr, /*!< in: pointer to memory where written */ - roll_ptr_t roll_ptr) /* in: roll ptr */ + roll_ptr_t roll_ptr) /*!< in: roll ptr */ { #if DATA_ROLL_PTR_LEN != 7 # error "DATA_ROLL_PTR_LEN != 7" @@ -126,13 +126,13 @@ trx_write_roll_ptr( /********************************************************************* Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of -mach_read_... */ +mach_read_... +@return roll ptr */ UNIV_INLINE roll_ptr_t trx_read_roll_ptr( /*==============*/ - /* out: roll ptr */ - const byte* ptr) /* in: pointer to memory from where to read */ + const byte* ptr) /*!< in: pointer to memory from where to read */ { #if DATA_ROLL_PTR_LEN != 7 # error "DATA_ROLL_PTR_LEN != 7" @@ -142,17 +142,17 @@ trx_read_roll_ptr( #ifndef UNIV_HOTBACKUP /********************************************************************** -Gets an undo log page and x-latches it. */ +Gets an undo log page and x-latches it. +@return pointer to page x-latched */ UNIV_INLINE page_t* trx_undo_page_get( /*==============*/ - /* out: pointer to page x-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); @@ -162,17 +162,17 @@ trx_undo_page_get( } /********************************************************************** -Gets an undo log page and s-latches it. */ +Gets an undo log page and s-latches it. +@return pointer to page s-latched */ UNIV_INLINE page_t* trx_undo_page_get_s_latched( /*========================*/ - /* out: pointer to page s-latched */ - ulint space, /* in: space where placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block = buf_page_get(space, zip_size, page_no, RW_S_LATCH, mtr); @@ -183,15 +183,15 @@ trx_undo_page_get_s_latched( /********************************************************************** Returns the start offset of the undo log records of the specified undo -log on the page. */ +log on the page. +@return start offset */ UNIV_INLINE ulint trx_undo_page_get_start( /*====================*/ - /* out: start offset */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { ulint start; @@ -208,15 +208,15 @@ trx_undo_page_get_start( /********************************************************************** Returns the end offset of the undo log records of the specified undo -log on the page. */ +log on the page. +@return end offset */ UNIV_INLINE ulint trx_undo_page_get_end( /*==================*/ - /* out: end offset */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { trx_ulogf_t* log_hdr; ulint end; @@ -241,15 +241,15 @@ trx_undo_page_get_end( /********************************************************************** Returns the previous undo record on the page in the specified log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_prev_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - trx_undo_rec_t* rec, /* in: undo log record */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { page_t* undo_page; ulint start; @@ -268,15 +268,15 @@ trx_undo_page_get_prev_rec( /********************************************************************** Returns the next undo log record on the page in the specified log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_next_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - trx_undo_rec_t* rec, /* in: undo log record */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { page_t* undo_page; ulint end; @@ -298,15 +298,15 @@ trx_undo_page_get_next_rec( /********************************************************************** Returns the last undo record on the page in the specified undo log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_last_rec( /*=======================*/ - /* out: pointer to record, NULL if none */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { ulint start; ulint end; @@ -324,15 +324,15 @@ trx_undo_page_get_last_rec( /********************************************************************** Returns the first undo record on the page in the specified undo log, or -NULL if none exists. */ +NULL if none exists. +@return pointer to record, NULL if none */ UNIV_INLINE trx_undo_rec_t* trx_undo_page_get_first_rec( /*========================*/ - /* out: pointer to record, NULL if none */ - page_t* undo_page,/* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header offset on page */ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ { ulint start; ulint end; diff --git a/include/usr0sess.h b/include/usr0sess.h index 08c6c70066f..1dd5790b7c6 100644 --- a/include/usr0sess.h +++ b/include/usr0sess.h @@ -36,21 +36,21 @@ Created 6/25/1996 Heikki Tuuri #include "rem0rec.h" /************************************************************************* -Opens a session. */ +Opens a session. +@return own: session object */ UNIV_INTERN sess_t* sess_open(void); /*============*/ - /* out, own: session object */ /************************************************************************* Closes a session, freeing the memory occupied by it, if it is in a state -where it should be closed. */ +where it should be closed. +@return TRUE if closed */ UNIV_INTERN ibool sess_try_close( /*===========*/ - /* out: TRUE if closed */ - sess_t* sess); /* in, own: session object */ + sess_t* sess); /*!< in, own: session object */ /* The session handle. All fields are protected by the kernel mutex */ struct sess_struct{ diff --git a/include/ut0byte.h b/include/ut0byte.h index c0e6d4c24be..e98f45f301b 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -46,143 +46,142 @@ extern const dulint ut_dulint_zero; extern const dulint ut_dulint_max; /*********************************************************** -Creates a 64-bit dulint out of two ulints. */ +Creates a 64-bit dulint out of two ulints. +@return created dulint */ UNIV_INLINE dulint ut_dulint_create( /*=============*/ - /* out: created dulint */ - ulint high, /* in: high-order 32 bits */ - ulint low); /* in: low-order 32 bits */ + ulint high, /*!< in: high-order 32 bits */ + ulint low); /*!< in: low-order 32 bits */ /*********************************************************** -Gets the high-order 32 bits of a dulint. */ +Gets the high-order 32 bits of a dulint. +@return 32 bits in ulint */ UNIV_INLINE ulint ut_dulint_get_high( /*===============*/ - /* out: 32 bits in ulint */ - dulint d); /* in: dulint */ + dulint d); /*!< in: dulint */ /*********************************************************** -Gets the low-order 32 bits of a dulint. */ +Gets the low-order 32 bits of a dulint. +@return 32 bits in ulint */ UNIV_INLINE ulint ut_dulint_get_low( /*==============*/ - /* out: 32 bits in ulint */ - dulint d); /* in: dulint */ + dulint d); /*!< in: dulint */ /*********************************************************** Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit -integer type. */ +integer type. +@return value in ib_int64_t type */ UNIV_INLINE ib_int64_t ut_conv_dulint_to_longlong( /*=======================*/ - /* out: value in ib_int64_t type */ - dulint d); /* in: dulint */ + dulint d); /*!< in: dulint */ /*********************************************************** -Tests if a dulint is zero. */ +Tests if a dulint is zero. +@return TRUE if zero */ UNIV_INLINE ibool ut_dulint_is_zero( /*==============*/ - /* out: TRUE if zero */ - dulint a); /* in: dulint */ + dulint a); /*!< in: dulint */ /*********************************************************** -Compares two dulints. */ +Compares two dulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE int ut_dulint_cmp( /*==========*/ - /* out: -1 if a < b, 0 if a == b, - 1 if a > b */ - dulint a, /* in: dulint */ - dulint b); /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ /*********************************************************** -Calculates the max of two dulints. */ +Calculates the max of two dulints. +@return max(a, b) */ UNIV_INLINE dulint ut_dulint_get_max( /*==============*/ - /* out: max(a, b) */ - dulint a, /* in: dulint */ - dulint b); /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ /*********************************************************** -Calculates the min of two dulints. */ +Calculates the min of two dulints. +@return min(a, b) */ UNIV_INLINE dulint ut_dulint_get_min( /*==============*/ - /* out: min(a, b) */ - dulint a, /* in: dulint */ - dulint b); /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ /*********************************************************** -Adds a ulint to a dulint. */ +Adds a ulint to a dulint. +@return sum a + b */ UNIV_INLINE dulint ut_dulint_add( /*==========*/ - /* out: sum a + b */ - dulint a, /* in: dulint */ - ulint b); /* in: ulint */ + dulint a, /*!< in: dulint */ + ulint b); /*!< in: ulint */ /*********************************************************** -Subtracts a ulint from a dulint. */ +Subtracts a ulint from a dulint. +@return a - b */ UNIV_INLINE dulint ut_dulint_subtract( /*===============*/ - /* out: a - b */ - dulint a, /* in: dulint */ - ulint b); /* in: ulint, b <= a */ + dulint a, /*!< in: dulint */ + ulint b); /*!< in: ulint, b <= a */ /*********************************************************** Subtracts a dulint from another. NOTE that the difference must be positive -and smaller that 4G. */ +and smaller that 4G. +@return a - b */ UNIV_INLINE ulint ut_dulint_minus( /*============*/ - /* out: a - b */ - dulint a, /* in: dulint; NOTE a must be >= b and at most + dulint a, /*!< in: dulint; NOTE a must be >= b and at most 2 to power 32 - 1 greater */ - dulint b); /* in: dulint */ + dulint b); /*!< in: dulint */ /************************************************************ -Rounds a dulint downward to a multiple of a power of 2. */ +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE dulint ut_dulint_align_down( /*=================*/ - /* out: rounded value */ - dulint n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number which must be a + dulint n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a power of 2 */ /************************************************************ -Rounds a dulint upward to a multiple of a power of 2. */ +Rounds a dulint upward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE dulint ut_dulint_align_up( /*===============*/ - /* out: rounded value */ - dulint n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number which must be a + dulint n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a power of 2 */ /************************************************************ -Rounds a dulint downward to a multiple of a power of 2. */ +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE ib_uint64_t ut_uint64_align_down( /*=================*/ - /* out: rounded value */ - ib_uint64_t n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a power of 2 */ /************************************************************ -Rounds ib_uint64_t upward to a multiple of a power of 2. */ +Rounds ib_uint64_t upward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE ib_uint64_t ut_uint64_align_up( /*===============*/ - /* out: rounded value */ - ib_uint64_t n, /* in: number to be rounded */ - ulint align_no); /* in: align by this number + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a power of 2 */ /*********************************************************** Increments a dulint variable by 1. */ @@ -206,64 +205,62 @@ UNIV_INTERN void ut_dulint_sort( /*===========*/ - dulint* arr, /* in/out: array to be sorted */ - dulint* aux_arr,/* in/out: auxiliary array (same size as arr) */ - ulint low, /* in: low bound of sort interval, inclusive */ - ulint high); /* in: high bound of sort interval, noninclusive */ + dulint* arr, /*!< in/out: array to be sorted */ + dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ + ulint low, /*!< in: low bound of sort interval, inclusive */ + ulint high); /*!< in: high bound of sort interval, noninclusive */ #endif /* notdefined */ /************************************************************* -The following function rounds up a pointer to the nearest aligned address. */ +The following function rounds up a pointer to the nearest aligned address. +@return aligned pointer */ UNIV_INLINE void* ut_align( /*=====*/ - /* out: aligned pointer */ - void* ptr, /* in: pointer */ - ulint align_no); /* in: align by this number */ + void* ptr, /*!< in: pointer */ + ulint align_no); /*!< in: align by this number */ /************************************************************* The following function rounds down a pointer to the nearest -aligned address. */ +aligned address. +@return aligned pointer */ UNIV_INLINE void* ut_align_down( /*==========*/ - /* out: aligned pointer */ - const void* ptr, /* in: pointer */ - ulint align_no) /* in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ __attribute__((const)); /************************************************************* The following function computes the offset of a pointer from the nearest -aligned address. */ +aligned address. +@return distance from aligned pointer */ UNIV_INLINE ulint ut_align_offset( /*============*/ - /* out: distance from aligned - pointer */ - const void* ptr, /* in: pointer */ - ulint align_no) /* in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ __attribute__((const)); /********************************************************************* -Gets the nth bit of a ulint. */ +Gets the nth bit of a ulint. +@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ UNIV_INLINE ibool ut_bit_get_nth( /*===========*/ - /* out: TRUE if nth bit is 1; 0th bit is defined to - be the least significant */ - ulint a, /* in: ulint */ - ulint n); /* in: nth bit requested */ + ulint a, /*!< in: ulint */ + ulint n); /*!< in: nth bit requested */ /********************************************************************* -Sets the nth bit of a ulint. */ +Sets the nth bit of a ulint. +@return the ulint with the bit set as requested */ UNIV_INLINE ulint ut_bit_set_nth( /*===========*/ - /* out: the ulint with the bit set as requested */ - ulint a, /* in: ulint */ - ulint n, /* in: nth bit requested */ - ibool val); /* in: value for the bit to set */ + ulint a, /*!< in: ulint */ + ulint n, /*!< in: nth bit requested */ + ibool val); /*!< in: value for the bit to set */ #ifndef UNIV_NONINL #include "ut0byte.ic" diff --git a/include/ut0byte.ic b/include/ut0byte.ic index 021a3a15009..ade776b7fd8 100644 --- a/include/ut0byte.ic +++ b/include/ut0byte.ic @@ -23,14 +23,14 @@ Created 5/30/1994 Heikki Tuuri *******************************************************************/ /*********************************************************** -Creates a 64-bit dulint out of two ulints. */ +Creates a 64-bit dulint out of two ulints. +@return created dulint */ UNIV_INLINE dulint ut_dulint_create( /*=============*/ - /* out: created dulint */ - ulint high, /* in: high-order 32 bits */ - ulint low) /* in: low-order 32 bits */ + ulint high, /*!< in: high-order 32 bits */ + ulint low) /*!< in: low-order 32 bits */ { dulint res; @@ -44,51 +44,51 @@ ut_dulint_create( } /*********************************************************** -Gets the high-order 32 bits of a dulint. */ +Gets the high-order 32 bits of a dulint. +@return 32 bits in ulint */ UNIV_INLINE ulint ut_dulint_get_high( /*===============*/ - /* out: 32 bits in ulint */ - dulint d) /* in: dulint */ + dulint d) /*!< in: dulint */ { return(d.high); } /*********************************************************** -Gets the low-order 32 bits of a dulint. */ +Gets the low-order 32 bits of a dulint. +@return 32 bits in ulint */ UNIV_INLINE ulint ut_dulint_get_low( /*==============*/ - /* out: 32 bits in ulint */ - dulint d) /* in: dulint */ + dulint d) /*!< in: dulint */ { return(d.low); } /*********************************************************** Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit -integer type. */ +integer type. +@return value in ib_int64_t type */ UNIV_INLINE ib_int64_t ut_conv_dulint_to_longlong( /*=======================*/ - /* out: value in ib_int64_t type */ - dulint d) /* in: dulint */ + dulint d) /*!< in: dulint */ { return((ib_int64_t)d.low + (((ib_int64_t)d.high) << 32)); } /*********************************************************** -Tests if a dulint is zero. */ +Tests if a dulint is zero. +@return TRUE if zero */ UNIV_INLINE ibool ut_dulint_is_zero( /*==============*/ - /* out: TRUE if zero */ - dulint a) /* in: dulint */ + dulint a) /*!< in: dulint */ { if ((a.low == 0) && (a.high == 0)) { @@ -99,15 +99,14 @@ ut_dulint_is_zero( } /*********************************************************** -Compares two dulints. */ +Compares two dulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE int ut_dulint_cmp( /*==========*/ - /* out: -1 if a < b, 0 if a == b, - 1 if a > b */ - dulint a, /* in: dulint */ - dulint b) /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ { if (a.high > b.high) { return(1); @@ -123,14 +122,14 @@ ut_dulint_cmp( } /*********************************************************** -Calculates the max of two dulints. */ +Calculates the max of two dulints. +@return max(a, b) */ UNIV_INLINE dulint ut_dulint_get_max( /*==============*/ - /* out: max(a, b) */ - dulint a, /* in: dulint */ - dulint b) /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ { if (ut_dulint_cmp(a, b) > 0) { @@ -141,14 +140,14 @@ ut_dulint_get_max( } /*********************************************************** -Calculates the min of two dulints. */ +Calculates the min of two dulints. +@return min(a, b) */ UNIV_INLINE dulint ut_dulint_get_min( /*==============*/ - /* out: min(a, b) */ - dulint a, /* in: dulint */ - dulint b) /* in: dulint */ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ { if (ut_dulint_cmp(a, b) > 0) { @@ -159,14 +158,14 @@ ut_dulint_get_min( } /*********************************************************** -Adds a ulint to a dulint. */ +Adds a ulint to a dulint. +@return sum a + b */ UNIV_INLINE dulint ut_dulint_add( /*==========*/ - /* out: sum a + b */ - dulint a, /* in: dulint */ - ulint b) /* in: ulint */ + dulint a, /*!< in: dulint */ + ulint b) /*!< in: ulint */ { if (0xFFFFFFFFUL - b >= a.low) { a.low += b; @@ -182,14 +181,14 @@ ut_dulint_add( } /*********************************************************** -Subtracts a ulint from a dulint. */ +Subtracts a ulint from a dulint. +@return a - b */ UNIV_INLINE dulint ut_dulint_subtract( /*===============*/ - /* out: a - b */ - dulint a, /* in: dulint */ - ulint b) /* in: ulint, b <= a */ + dulint a, /*!< in: dulint */ + ulint b) /*!< in: ulint, b <= a */ { if (a.low >= b) { a.low -= b; @@ -210,15 +209,15 @@ ut_dulint_subtract( /*********************************************************** Subtracts a dulint from another. NOTE that the difference must be positive -and smaller that 4G. */ +and smaller that 4G. +@return a - b */ UNIV_INLINE ulint ut_dulint_minus( /*============*/ - /* out: a - b */ - dulint a, /* in: dulint; NOTE a must be >= b and at most + dulint a, /*!< in: dulint; NOTE a must be >= b and at most 2 to power 32 - 1 greater */ - dulint b) /* in: dulint */ + dulint b) /*!< in: dulint */ { ulint diff; @@ -239,14 +238,14 @@ ut_dulint_minus( } /************************************************************ -Rounds a dulint downward to a multiple of a power of 2. */ +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE dulint ut_dulint_align_down( /*=================*/ - /* out: rounded value */ - dulint n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number which must be a + dulint n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a power of 2 */ { ulint low, high; @@ -263,28 +262,28 @@ ut_dulint_align_down( } /************************************************************ -Rounds a dulint upward to a multiple of a power of 2. */ +Rounds a dulint upward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE dulint ut_dulint_align_up( /*===============*/ - /* out: rounded value */ - dulint n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number which must be a + dulint n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a power of 2 */ { return(ut_dulint_align_down(ut_dulint_add(n, align_no - 1), align_no)); } /************************************************************ -Rounds ib_uint64_t downward to a multiple of a power of 2. */ +Rounds ib_uint64_t downward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE ib_uint64_t ut_uint64_align_down( /*=================*/ - /* out: rounded value */ - ib_uint64_t n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a power of 2 */ { ut_ad(align_no > 0); @@ -294,14 +293,14 @@ ut_uint64_align_down( } /************************************************************ -Rounds ib_uint64_t upward to a multiple of a power of 2. */ +Rounds ib_uint64_t upward to a multiple of a power of 2. +@return rounded value */ UNIV_INLINE ib_uint64_t ut_uint64_align_up( /*===============*/ - /* out: rounded value */ - ib_uint64_t n, /* in: number to be rounded */ - ulint align_no) /* in: align by this number + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a power of 2 */ { ib_uint64_t align_1 = (ib_uint64_t) align_no - 1; @@ -313,14 +312,14 @@ ut_uint64_align_up( } /************************************************************* -The following function rounds up a pointer to the nearest aligned address. */ +The following function rounds up a pointer to the nearest aligned address. +@return aligned pointer */ UNIV_INLINE void* ut_align( /*=====*/ - /* out: aligned pointer */ - void* ptr, /* in: pointer */ - ulint align_no) /* in: align by this number */ + void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ { ut_ad(align_no > 0); ut_ad(((align_no - 1) & align_no) == 0); @@ -333,14 +332,14 @@ ut_align( /************************************************************* The following function rounds down a pointer to the nearest -aligned address. */ +aligned address. +@return aligned pointer */ UNIV_INLINE void* ut_align_down( /*==========*/ - /* out: aligned pointer */ - const void* ptr, /* in: pointer */ - ulint align_no) /* in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ { ut_ad(align_no > 0); ut_ad(((align_no - 1) & align_no) == 0); @@ -353,15 +352,14 @@ ut_align_down( /************************************************************* The following function computes the offset of a pointer from the nearest -aligned address. */ +aligned address. +@return distance from aligned pointer */ UNIV_INLINE ulint ut_align_offset( /*============*/ - /* out: distance from - aligned pointer */ - const void* ptr, /* in: pointer */ - ulint align_no) /* in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ { ut_ad(align_no > 0); ut_ad(((align_no - 1) & align_no) == 0); @@ -373,15 +371,14 @@ ut_align_offset( } /********************************************************************* -Gets the nth bit of a ulint. */ +Gets the nth bit of a ulint. +@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ UNIV_INLINE ibool ut_bit_get_nth( /*===========*/ - /* out: TRUE if nth bit is 1; 0th bit is defined to - be the least significant */ - ulint a, /* in: ulint */ - ulint n) /* in: nth bit requested */ + ulint a, /*!< in: ulint */ + ulint n) /*!< in: nth bit requested */ { ut_ad(n < 8 * sizeof(ulint)); #if TRUE != 1 @@ -391,15 +388,15 @@ ut_bit_get_nth( } /********************************************************************* -Sets the nth bit of a ulint. */ +Sets the nth bit of a ulint. +@return the ulint with the bit set as requested */ UNIV_INLINE ulint ut_bit_set_nth( /*===========*/ - /* out: the ulint with the bit set as requested */ - ulint a, /* in: ulint */ - ulint n, /* in: nth bit requested */ - ibool val) /* in: value for the bit to set */ + ulint a, /*!< in: ulint */ + ulint n, /*!< in: nth bit requested */ + ibool val) /*!< in: value for the bit to set */ { ut_ad(n < 8 * sizeof(ulint)); #if TRUE != 1 diff --git a/include/ut0dbg.h b/include/ut0dbg.h index a206789fd4c..3c16e2836a7 100644 --- a/include/ut0dbg.h +++ b/include/ut0dbg.h @@ -43,9 +43,9 @@ UNIV_INTERN void ut_dbg_assertion_failed( /*====================*/ - const char* expr, /* in: the failed assertion */ - const char* file, /* in: source file containing the assertion */ - ulint line); /* in: line number of the assertion */ + const char* expr, /*!< in: the failed assertion */ + const char* file, /*!< in: source file containing the assertion */ + ulint line); /*!< in: line number of the assertion */ #ifdef __NETWARE__ /* Flag for ignoring further assertion failures. @@ -144,7 +144,7 @@ UNIV_INTERN void speedo_reset( /*=========*/ - speedo_t* speedo); /* out: speedo */ + speedo_t* speedo); /*!< out: speedo */ /*********************************************************************** Shows the time elapsed and usage statistics since the last reset of a @@ -153,7 +153,7 @@ UNIV_INTERN void speedo_show( /*========*/ - const speedo_t* speedo); /* in: speedo */ + const speedo_t* speedo); /*!< in: speedo */ #endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/include/ut0list.h b/include/ut0list.h index 034aa400af9..8d85e6b2600 100644 --- a/include/ut0list.h +++ b/include/ut0list.h @@ -47,23 +47,23 @@ typedef struct ib_list_helper_struct ib_list_helper_t; /******************************************************************** Create a new list using mem_alloc. Lists created with this function must be -freed with ib_list_free. */ +freed with ib_list_free. +@return list */ UNIV_INTERN ib_list_t* ib_list_create(void); /*=================*/ - /* out: list */ /******************************************************************** Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for -lists created with this function. */ +lists created with this function. +@return list */ UNIV_INTERN ib_list_t* ib_list_create_heap( /*================*/ - /* out: list */ - mem_heap_t* heap); /* in: memory heap to use */ + mem_heap_t* heap); /*!< in: memory heap to use */ /******************************************************************** Free a list. */ @@ -71,42 +71,42 @@ UNIV_INTERN void ib_list_free( /*=========*/ - ib_list_t* list); /* in: list */ + ib_list_t* list); /*!< in: list */ /******************************************************************** -Add the data to the start of the list. */ +Add the data to the start of the list. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_first( /*==============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - void* data, /* in: data */ - mem_heap_t* heap); /* in: memory heap to use */ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ /******************************************************************** -Add the data to the end of the list. */ +Add the data to the end of the list. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_last( /*=============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - void* data, /* in: data */ - mem_heap_t* heap); /* in: memory heap to use */ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ /******************************************************************** -Add the data after the indicated node. */ +Add the data after the indicated node. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_after( /*==============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - ib_list_node_t* prev_node, /* in: node preceding new node (can + ib_list_t* list, /*!< in: list */ + ib_list_node_t* prev_node, /*!< in: node preceding new node (can be NULL) */ - void* data, /* in: data */ - mem_heap_t* heap); /* in: memory heap to use */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ /******************************************************************** Remove the node from the list. */ @@ -114,26 +114,26 @@ UNIV_INTERN void ib_list_remove( /*===========*/ - ib_list_t* list, /* in: list */ - ib_list_node_t* node); /* in: node to remove */ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* node); /*!< in: node to remove */ /******************************************************************** -Get the first node in the list. */ +Get the first node in the list. +@return first node, or NULL */ UNIV_INLINE ib_list_node_t* ib_list_get_first( /*==============*/ - /* out: first node, or NULL */ - ib_list_t* list); /* in: list */ + ib_list_t* list); /*!< in: list */ /******************************************************************** -Get the last node in the list. */ +Get the last node in the list. +@return last node, or NULL */ UNIV_INLINE ib_list_node_t* ib_list_get_last( /*=============*/ - /* out: last node, or NULL */ - ib_list_t* list); /* in: list */ + ib_list_t* list); /*!< in: list */ /* List. */ struct ib_list_struct { diff --git a/include/ut0list.ic b/include/ut0list.ic index c79a0cf18dc..ff26627e00a 100644 --- a/include/ut0list.ic +++ b/include/ut0list.ic @@ -17,25 +17,25 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ /******************************************************************** -Get the first node in the list. */ +Get the first node in the list. +@return first node, or NULL */ UNIV_INLINE ib_list_node_t* ib_list_get_first( /*==============*/ - /* out: first node, or NULL */ - ib_list_t* list) /* in: list */ + ib_list_t* list) /*!< in: list */ { return(list->first); } /******************************************************************** -Get the last node in the list. */ +Get the last node in the list. +@return last node, or NULL */ UNIV_INLINE ib_list_node_t* ib_list_get_last( /*=============*/ - /* out: last node, or NULL */ - ib_list_t* list) /* in: list */ + ib_list_t* list) /*!< in: list */ { return(list->last); } diff --git a/include/ut0lst.h b/include/ut0lst.h index b58cf4189fb..cf68b39d190 100644 --- a/include/ut0lst.h +++ b/include/ut0lst.h @@ -59,7 +59,7 @@ struct LRU_node_struct { } The example implements an LRU list of name LRU_list. Its nodes are of type LRU_node_t. -*/ + */ #define UT_LIST_NODE_T(TYPE)\ struct {\ diff --git a/include/ut0mem.h b/include/ut0mem.h index 8396147199a..b1ae7dbb13f 100644 --- a/include/ut0mem.h +++ b/include/ut0mem.h @@ -60,38 +60,38 @@ ut_mem_init(void); /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined and set_to_zero is TRUE. */ +defined and set_to_zero is TRUE. +@return own: allocated memory */ UNIV_INTERN void* ut_malloc_low( /*==========*/ - /* out, own: allocated memory */ - ulint n, /* in: number of bytes to allocate */ - ibool set_to_zero, /* in: TRUE if allocated memory + ulint n, /*!< in: number of bytes to allocate */ + ibool set_to_zero, /*!< in: TRUE if allocated memory should be set to zero if UNIV_SET_MEM_TO_ZERO is defined */ - ibool assert_on_error); /* in: if TRUE, we crash mysqld if + ibool assert_on_error); /*!< in: if TRUE, we crash mysqld if the memory cannot be allocated */ /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined. */ +defined. +@return own: allocated memory */ UNIV_INTERN void* ut_malloc( /*======*/ - /* out, own: allocated memory */ - ulint n); /* in: number of bytes to allocate */ + ulint n); /*!< in: number of bytes to allocate */ #ifndef UNIV_HOTBACKUP /************************************************************************** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to -stderr a message if fails. */ +stderr a message if fails. +@return TRUE if succeeded */ UNIV_INTERN ibool ut_test_malloc( /*===========*/ - /* out: TRUE if succeeded */ - ulint n); /* in: try to allocate this many bytes */ + ulint n); /*!< in: try to allocate this many bytes */ #endif /* !UNIV_HOTBACKUP */ /************************************************************************** Frees a memory block allocated with ut_malloc. */ @@ -99,7 +99,7 @@ UNIV_INTERN void ut_free( /*====*/ - void* ptr); /* in, own: memory block */ + void* ptr); /*!< in, own: memory block */ #ifndef UNIV_HOTBACKUP /************************************************************************** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not @@ -124,14 +124,14 @@ RETURN VALUE size was equal to 0, either NULL or a pointer suitable to be passed to free() is returned. If realloc() fails the original block is left untouched - it is not freed or - moved. */ + moved. +@return own: pointer to new mem block or NULL */ UNIV_INTERN void* ut_realloc( /*=======*/ - /* out, own: pointer to new mem block or NULL */ - void* ptr, /* in: pointer to old block or NULL */ - ulint size); /* in: desired size */ + void* ptr, /*!< in: pointer to old block or NULL */ + ulint size); /*!< in: desired size */ /************************************************************************** Frees in shutdown all allocated memory not freed yet. */ UNIV_INTERN @@ -155,119 +155,117 @@ ut_strcmp(const char* str1, const char* str2); /************************************************************************** Copies up to size - 1 characters from the NUL-terminated string src to dst, NUL-terminating the result. Returns strlen(src), so truncation -occurred if the return value >= size. */ +occurred if the return value >= size. +@return strlen(src) */ UNIV_INTERN ulint ut_strlcpy( /*=======*/ - /* out: strlen(src) */ - char* dst, /* in: destination buffer */ - const char* src, /* in: source buffer */ - ulint size); /* in: size of destination buffer */ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size); /*!< in: size of destination buffer */ /************************************************************************** Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last -(size - 1) bytes of src, not the first. */ +(size - 1) bytes of src, not the first. +@return strlen(src) */ UNIV_INTERN ulint ut_strlcpy_rev( /*===========*/ - /* out: strlen(src) */ - char* dst, /* in: destination buffer */ - const char* src, /* in: source buffer */ - ulint size); /* in: size of destination buffer */ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size); /*!< in: size of destination buffer */ /************************************************************************** -Compute strlen(ut_strcpyq(str, q)). */ +Compute strlen(ut_strcpyq(str, q)). +@return length of the string when quoted */ UNIV_INLINE ulint ut_strlenq( /*=======*/ - /* out: length of the string when quoted */ - const char* str, /* in: null-terminated string */ - char q); /* in: the quote character */ + const char* str, /*!< in: null-terminated string */ + char q); /*!< in: the quote character */ /************************************************************************** Make a quoted copy of a NUL-terminated string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_memcpyq(). */ +See also ut_strlenq() and ut_memcpyq(). +@return pointer to end of dest */ UNIV_INTERN char* ut_strcpyq( /*=======*/ - /* out: pointer to end of dest */ - char* dest, /* in: output buffer */ - char q, /* in: the quote character */ - const char* src); /* in: null-terminated string */ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src); /*!< in: null-terminated string */ /************************************************************************** Make a quoted copy of a fixed-length string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_strcpyq(). */ +See also ut_strlenq() and ut_strcpyq(). +@return pointer to end of dest */ UNIV_INTERN char* ut_memcpyq( /*=======*/ - /* out: pointer to end of dest */ - char* dest, /* in: output buffer */ - char q, /* in: the quote character */ - const char* src, /* in: string to be quoted */ - ulint len); /* in: length of src */ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src, /*!< in: string to be quoted */ + ulint len); /*!< in: length of src */ /************************************************************************** Return the number of times s2 occurs in s1. Overlapping instances of s2 -are only counted once. */ +are only counted once. +@return the number of times s2 occurs in s1 */ UNIV_INTERN ulint ut_strcount( /*========*/ - /* out: the number of times s2 occurs in s1 */ - const char* s1, /* in: string to search in */ - const char* s2); /* in: string to search for */ + const char* s1, /*!< in: string to search in */ + const char* s2); /*!< in: string to search for */ /************************************************************************** Replace every occurrence of s1 in str with s2. Overlapping instances of s1 -are only replaced once. */ +are only replaced once. +@return own: modified string, must be freed with mem_free() */ UNIV_INTERN char* ut_strreplace( /*==========*/ - /* out, own: modified string, must be - freed with mem_free() */ - const char* str, /* in: string to operate on */ - const char* s1, /* in: string to replace */ - const char* s2); /* in: string to replace s1 with */ + const char* str, /*!< in: string to operate on */ + const char* s1, /*!< in: string to replace */ + const char* s2); /*!< in: string to replace s1 with */ /************************************************************************** Converts a raw binary data to a '\0'-terminated hex string. The output is truncated if there is not enough space in "hex", make sure "hex_size" is at least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the '\0'). */ +actual number of characters written to "hex" (including the '\0'). +@return number of chars written */ UNIV_INLINE ulint ut_raw_to_hex( /*==========*/ - /* out: number of chars written */ - const void* raw, /* in: raw data */ - ulint raw_size, /* in: "raw" length in bytes */ - char* hex, /* out: hex string */ - ulint hex_size); /* in: "hex" size in bytes */ + const void* raw, /*!< in: raw data */ + ulint raw_size, /*!< in: "raw" length in bytes */ + char* hex, /*!< out: hex string */ + ulint hex_size); /*!< in: "hex" size in bytes */ /*********************************************************************** Adds single quotes to the start and end of string and escapes any quotes by doubling them. Returns the number of bytes that were written to "buf" (including the terminating '\0'). If buf_size is too small then the -trailing bytes from "str" are discarded. */ +trailing bytes from "str" are discarded. +@return number of bytes that were written */ UNIV_INLINE ulint ut_str_sql_format( /*==============*/ - /* out: number of bytes - that were written */ - const char* str, /* in: string */ - ulint str_len, /* in: string length in bytes */ - char* buf, /* out: output buffer */ - ulint buf_size); /* in: output buffer size + const char* str, /*!< in: string */ + ulint str_len, /*!< in: string length in bytes */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size in bytes */ #ifndef UNIV_NONINL diff --git a/include/ut0mem.ic b/include/ut0mem.ic index 5078c721706..5555f975623 100644 --- a/include/ut0mem.ic +++ b/include/ut0mem.ic @@ -68,14 +68,14 @@ ut_strcmp(const char* str1, const char* str2) } /************************************************************************** -Compute strlen(ut_strcpyq(str, q)). */ +Compute strlen(ut_strcpyq(str, q)). +@return length of the string when quoted */ UNIV_INLINE ulint ut_strlenq( /*=======*/ - /* out: length of the string when quoted */ - const char* str, /* in: null-terminated string */ - char q) /* in: the quote character */ + const char* str, /*!< in: null-terminated string */ + char q) /*!< in: the quote character */ { ulint len; @@ -92,16 +92,16 @@ ut_strlenq( Converts a raw binary data to a '\0'-terminated hex string. The output is truncated if there is not enough space in "hex", make sure "hex_size" is at least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the '\0'). */ +actual number of characters written to "hex" (including the '\0'). +@return number of chars written */ UNIV_INLINE ulint ut_raw_to_hex( /*==========*/ - /* out: number of chars written */ - const void* raw, /* in: raw data */ - ulint raw_size, /* in: "raw" length in bytes */ - char* hex, /* out: hex string */ - ulint hex_size) /* in: "hex" size in bytes */ + const void* raw, /*!< in: raw data */ + ulint raw_size, /*!< in: "raw" length in bytes */ + char* hex, /*!< out: hex string */ + ulint hex_size) /*!< in: "hex" size in bytes */ { #ifdef WORDS_BIGENDIAN @@ -212,17 +212,16 @@ ut_raw_to_hex( Adds single quotes to the start and end of string and escapes any quotes by doubling them. Returns the number of bytes that were written to "buf" (including the terminating '\0'). If buf_size is too small then the -trailing bytes from "str" are discarded. */ +trailing bytes from "str" are discarded. +@return number of bytes that were written */ UNIV_INLINE ulint ut_str_sql_format( /*==============*/ - /* out: number of bytes - that were written */ - const char* str, /* in: string */ - ulint str_len, /* in: string length in bytes */ - char* buf, /* out: output buffer */ - ulint buf_size) /* in: output buffer size + const char* str, /*!< in: string */ + ulint str_len, /*!< in: string length in bytes */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size in bytes */ { ulint str_i; diff --git a/include/ut0rbt.h b/include/ut0rbt.h index fae60da696c..a35807be442 100644 --- a/include/ut0rbt.h +++ b/include/ut0rbt.h @@ -99,16 +99,16 @@ UNIV_INTERN void rbt_free( /*=====*/ - ib_rbt_t* tree); /* in: rb tree to free */ + ib_rbt_t* tree); /*!< in: rb tree to free */ /************************************************************************ -Create an instance of a red black tree */ +Create an instance of a red black tree +@return rb tree instance */ UNIV_INTERN ib_rbt_t* rbt_create( /*=======*/ - /* out: rb tree instance */ - size_t sizeof_value, /* in: size in bytes */ - ib_rbt_compare compare); /* in: comparator */ + size_t sizeof_value, /*!< in: size in bytes */ + ib_rbt_compare compare); /*!< in: comparator */ /************************************************************************ Delete a node from the red black tree, identified by key */ UNIV_INTERN @@ -120,185 +120,174 @@ rbt_delete( const void* key); /* in: key to delete */ /************************************************************************ Remove a node from the red black tree, NOTE: This function will not delete -the node instance, THAT IS THE CALLERS RESPONSIBILITY.*/ +the node instance, THAT IS THE CALLERS RESPONSIBILITY. +@return the deleted node with the const. */ UNIV_INTERN ib_rbt_node_t* rbt_remove_node( /*============*/ - /* out: the deleted node - with the const.*/ - ib_rbt_t* tree, /* in: rb tree */ + ib_rbt_t* tree, /*!< in: rb tree */ const ib_rbt_node_t* - node); /* in: node to delete, this + node); /*!< in: node to delete, this is a fudge and declared const because the caller has access only to const nodes.*/ /************************************************************************ Return a node from the red black tree, identified by -key, NULL if not found */ +key, NULL if not found +@return node if found else return NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_lookup( /*=======*/ - /* out: node if found else - return NULL*/ - const ib_rbt_t* tree, /* in: rb tree to search */ - const void* key); /* in: key to lookup */ + const ib_rbt_t* tree, /*!< in: rb tree to search */ + const void* key); /*!< in: key to lookup */ /************************************************************************ -Add data to the red black tree, identified by key (no dups yet!)*/ +Add data to the red black tree, identified by key (no dups yet!) +@return inserted node */ UNIV_INTERN const ib_rbt_node_t* rbt_insert( /*=======*/ - /* out: inserted node */ - ib_rbt_t* tree, /* in: rb tree */ - const void* key, /* in: key for ordering */ - const void* value); /* in: data that will be + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key, /*!< in: key for ordering */ + const void* value); /*!< in: data that will be copied to the node.*/ /************************************************************************ -Add a new node to the tree, useful for data that is pre-sorted.*/ +Add a new node to the tree, useful for data that is pre-sorted. +@return appended node */ UNIV_INTERN const ib_rbt_node_t* rbt_add_node( /*=========*/ - /* out: appended node */ - ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: parent */ - const void* value); /* in: this value is copied + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: parent */ + const void* value); /*!< in: this value is copied to the node */ /************************************************************************ -Return the left most data node in the tree*/ +Return the left most data node in the tree +@return left most node */ UNIV_INTERN const ib_rbt_node_t* rbt_first( /*======*/ - /* out: left most node */ - const ib_rbt_t* tree); /* in: rb tree */ + const ib_rbt_t* tree); /*!< in: rb tree */ /************************************************************************ -Return the right most data node in the tree*/ +Return the right most data node in the tree +@return right most node */ UNIV_INTERN const ib_rbt_node_t* rbt_last( /*=====*/ - /* out: right most node */ - const ib_rbt_t* tree); /* in: rb tree */ + const ib_rbt_t* tree); /*!< in: rb tree */ /************************************************************************ -Return the next node from current.*/ +Return the next node from current. +@return successor node to current that is passed in. */ UNIV_INTERN const ib_rbt_node_t* rbt_next( /*=====*/ - /* out: successor node to - current that is passed in.*/ - const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_t* tree, /*!< in: rb tree */ const ib_rbt_node_t* /* in: current node */ current); /************************************************************************ -Return the prev node from current.*/ +Return the prev node from current. +@return precedessor node to current that is passed in */ UNIV_INTERN const ib_rbt_node_t* rbt_prev( /*=====*/ - /* out: precedessor node to - current that is passed in */ - const ib_rbt_t* tree, /* in: rb tree */ + const ib_rbt_t* tree, /*!< in: rb tree */ const ib_rbt_node_t* /* in: current node */ current); /************************************************************************ -Find the node that has the lowest key that is >= key.*/ +Find the node that has the lowest key that is >= key. +@return node that satisfies the lower bound constraint or NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_lower_bound( /*============*/ - /* out: node that satisfies - the lower bound constraint or - NULL */ - const ib_rbt_t* tree, /* in: rb tree */ - const void* key); /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key); /*!< in: key to search */ /************************************************************************ -Find the node that has the greatest key that is <= key.*/ +Find the node that has the greatest key that is <= key. +@return node that satisifies the upper bound constraint or NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_upper_bound( /*============*/ - /* out: node that satisifies - the upper bound constraint or - NULL */ - const ib_rbt_t* tree, /* in: rb tree */ - const void* key); /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key); /*!< in: key to search */ /************************************************************************ Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the -parent node for the possibly new key otherwise the matching node.*/ +parent node for the possibly new key otherwise the matching node. +@return result of last comparison */ UNIV_INTERN int rbt_search( /*=======*/ - /* out: result of last - comparison */ - const ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: search bounds */ - const void* key); /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key); /*!< in: key to search */ /************************************************************************ Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the -parent node for the possibly new key otherwise the matching node.*/ +parent node for the possibly new key otherwise the matching node. +@return result of last comparison */ UNIV_INTERN int rbt_search_cmp( /*===========*/ - /* out: result of last - comparison */ - const ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: search bounds */ - const void* key, /* in: key to search */ - ib_rbt_compare compare); /* in: comparator */ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key, /*!< in: key to search */ + ib_rbt_compare compare); /*!< in: comparator */ /************************************************************************ -Clear the tree, deletes (and free's) all the nodes.*/ +Clear the tree, deletes (and free's) all the nodes. */ UNIV_INTERN void rbt_clear( /*======*/ - ib_rbt_t* tree); /* in: rb tree */ + ib_rbt_t* tree); /*!< in: rb tree */ /************************************************************************ -Merge the node from dst into src. Return the number of nodes merged.*/ +Merge the node from dst into src. Return the number of nodes merged. +@return no. of recs merged */ UNIV_INTERN ulint rbt_merge_uniq( /*===========*/ - /* out: no. of recs merged */ - ib_rbt_t* dst, /* in: dst rb tree */ - const ib_rbt_t* src); /* in: src rb tree */ + ib_rbt_t* dst, /*!< in: dst rb tree */ + const ib_rbt_t* src); /*!< in: src rb tree */ /************************************************************************ Merge the node from dst into src. Return the number of nodes merged. Delete the nodes from src after copying node to dst. As a side effect the duplicates will be left untouched in the src, since we don't support duplicates (yet). NOTE: src and dst must be similar, the function doesn't -check for this condition (yet).*/ +check for this condition (yet). +@return no. of recs merged */ UNIV_INTERN ulint rbt_merge_uniq_destructive( /*=======================*/ - /* out: no. of recs merged */ - ib_rbt_t* dst, /* in: dst rb tree */ - ib_rbt_t* src); /* in: src rb tree */ + ib_rbt_t* dst, /*!< in: dst rb tree */ + ib_rbt_t* src); /*!< in: src rb tree */ /************************************************************************ Verify the integrity of the RB tree. For debugging. 0 failure else height -of tree (in count of black nodes).*/ +of tree (in count of black nodes). +@return TRUE if OK FALSE if tree invalid. */ UNIV_INTERN ibool rbt_validate( /*=========*/ - /* out: TRUE if OK - FALSE if tree invalid.*/ - const ib_rbt_t* tree); /* in: tree to validate */ + const ib_rbt_t* tree); /*!< in: tree to validate */ /************************************************************************ -Iterate over the tree in depth first order.*/ +Iterate over the tree in depth first order. */ UNIV_INTERN void rbt_print( /*======*/ - const ib_rbt_t* tree, /* in: tree to traverse */ - ib_rbt_print_node print); /* in: print function */ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + ib_rbt_print_node print); /*!< in: print function */ #endif /* INNOBASE_UT0RBT_H */ diff --git a/include/ut0rnd.h b/include/ut0rnd.h index b9e23d7cd14..5b3ae99bd32 100644 --- a/include/ut0rnd.h +++ b/include/ut0rnd.h @@ -39,99 +39,99 @@ UNIV_INLINE void ut_rnd_set_seed( /*============*/ - ulint seed); /* in: seed */ + ulint seed); /*!< in: seed */ /************************************************************ -The following function generates a series of 'random' ulint integers. */ +The following function generates a series of 'random' ulint integers. +@return the next 'random' number */ UNIV_INLINE ulint ut_rnd_gen_next_ulint( /*==================*/ - /* out: the next 'random' number */ - ulint rnd); /* in: the previous random number value */ + ulint rnd); /*!< in: the previous random number value */ /************************************************************* The following function generates 'random' ulint integers which enumerate the value space (let there be N of them) of ulint integers in a pseudo-random fashion. Note that the same integer is repeated -always after N calls to the generator. */ +always after N calls to the generator. +@return the 'random' number */ UNIV_INLINE ulint ut_rnd_gen_ulint(void); /*==================*/ - /* out: the 'random' number */ /************************************************************ -Generates a random integer from a given interval. */ +Generates a random integer from a given interval. +@return the 'random' number */ UNIV_INLINE ulint ut_rnd_interval( /*============*/ - /* out: the 'random' number */ - ulint low, /* in: low limit; can generate also this value */ - ulint high); /* in: high limit; can generate also this value */ + ulint low, /*!< in: low limit; can generate also this value */ + ulint high); /*!< in: high limit; can generate also this value */ /************************************************************* -Generates a random iboolean value. */ +Generates a random iboolean value. +@return the random value */ UNIV_INLINE ibool ut_rnd_gen_ibool(void); /*=================*/ - /* out: the random value */ /*********************************************************** The following function generates a hash value for a ulint integer to a hash table of size table_size, which should be a prime or some -random number to work reliably. */ +random number to work reliably. +@return hash value */ UNIV_INLINE ulint ut_hash_ulint( /*==========*/ - /* out: hash value */ - ulint key, /* in: value to be hashed */ - ulint table_size); /* in: hash table size */ + ulint key, /*!< in: value to be hashed */ + ulint table_size); /*!< in: hash table size */ /***************************************************************** -Folds a pair of ulints. */ +Folds a pair of ulints. +@return folded value */ UNIV_INLINE ulint ut_fold_ulint_pair( /*===============*/ - /* out: folded value */ - ulint n1, /* in: ulint */ - ulint n2) /* in: ulint */ + ulint n1, /*!< in: ulint */ + ulint n2) /*!< in: ulint */ __attribute__((const)); /***************************************************************** -Folds a dulint. */ +Folds a dulint. +@return folded value */ UNIV_INLINE ulint ut_fold_dulint( /*===========*/ - /* out: folded value */ - dulint d) /* in: dulint */ + dulint d) /*!< in: dulint */ __attribute__((const)); /***************************************************************** -Folds a character string ending in the null character. */ +Folds a character string ending in the null character. +@return folded value */ UNIV_INLINE ulint ut_fold_string( /*===========*/ - /* out: folded value */ - const char* str) /* in: null-terminated string */ + const char* str) /*!< in: null-terminated string */ __attribute__((pure)); /***************************************************************** -Folds a binary string. */ +Folds a binary string. +@return folded value */ UNIV_INLINE ulint ut_fold_binary( /*===========*/ - /* out: folded value */ - const byte* str, /* in: string of bytes */ - ulint len) /* in: length */ + const byte* str, /*!< in: string of bytes */ + ulint len) /*!< in: length */ __attribute__((pure)); /*************************************************************** Looks for a prime number slightly greater than the given argument. -The prime is chosen so that it is not near any power of 2. */ +The prime is chosen so that it is not near any power of 2. +@return prime */ UNIV_INTERN ulint ut_find_prime( /*==========*/ - /* out: prime */ - ulint n) /* in: positive number > 100 */ + ulint n) /*!< in: positive number > 100 */ __attribute__((const)); diff --git a/include/ut0rnd.ic b/include/ut0rnd.ic index d72100d16a1..9559bfea939 100644 --- a/include/ut0rnd.ic +++ b/include/ut0rnd.ic @@ -42,19 +42,19 @@ UNIV_INLINE void ut_rnd_set_seed( /*============*/ - ulint seed) /* in: seed */ + ulint seed) /*!< in: seed */ { ut_rnd_ulint_counter = seed; } /************************************************************ -The following function generates a series of 'random' ulint integers. */ +The following function generates a series of 'random' ulint integers. +@return the next 'random' number */ UNIV_INLINE ulint ut_rnd_gen_next_ulint( /*==================*/ - /* out: the next 'random' number */ - ulint rnd) /* in: the previous random number value */ + ulint rnd) /*!< in: the previous random number value */ { ulint n_bits; @@ -75,12 +75,12 @@ ut_rnd_gen_next_ulint( The following function generates 'random' ulint integers which enumerate the value space of ulint integers in a pseudo random fashion. Note that the same integer is repeated always after -2 to power 32 calls to the generator (if ulint is 32-bit). */ +2 to power 32 calls to the generator (if ulint is 32-bit). +@return the 'random' number */ UNIV_INLINE ulint ut_rnd_gen_ulint(void) /*==================*/ - /* out: the 'random' number */ { ulint rnd; ulint n_bits; @@ -95,14 +95,14 @@ ut_rnd_gen_ulint(void) } /************************************************************ -Generates a random integer from a given interval. */ +Generates a random integer from a given interval. +@return the 'random' number */ UNIV_INLINE ulint ut_rnd_interval( /*============*/ - /* out: the 'random' number */ - ulint low, /* in: low limit; can generate also this value */ - ulint high) /* in: high limit; can generate also this value */ + ulint low, /*!< in: low limit; can generate also this value */ + ulint high) /*!< in: high limit; can generate also this value */ { ulint rnd; @@ -119,12 +119,12 @@ ut_rnd_interval( } /************************************************************* -Generates a random iboolean value. */ +Generates a random iboolean value. +@return the random value */ UNIV_INLINE ibool ut_rnd_gen_ibool(void) /*=================*/ - /* out: the random value */ { ulint x; @@ -141,14 +141,14 @@ ut_rnd_gen_ibool(void) /*********************************************************** The following function generates a hash value for a ulint integer to a hash table of size table_size, which should be a prime -or some random number for the hash table to work reliably. */ +or some random number for the hash table to work reliably. +@return hash value */ UNIV_INLINE ulint ut_hash_ulint( /*==========*/ - /* out: hash value */ - ulint key, /* in: value to be hashed */ - ulint table_size) /* in: hash table size */ + ulint key, /*!< in: value to be hashed */ + ulint table_size) /*!< in: hash table size */ { key = key ^ UT_HASH_RANDOM_MASK2; @@ -156,40 +156,40 @@ ut_hash_ulint( } /***************************************************************** -Folds a pair of ulints. */ +Folds a pair of ulints. +@return folded value */ UNIV_INLINE ulint ut_fold_ulint_pair( /*===============*/ - /* out: folded value */ - ulint n1, /* in: ulint */ - ulint n2) /* in: ulint */ + ulint n1, /*!< in: ulint */ + ulint n2) /*!< in: ulint */ { return(((((n1 ^ n2 ^ UT_HASH_RANDOM_MASK2) << 8) + n1) ^ UT_HASH_RANDOM_MASK) + n2); } /***************************************************************** -Folds a dulint. */ +Folds a dulint. +@return folded value */ UNIV_INLINE ulint ut_fold_dulint( /*===========*/ - /* out: folded value */ - dulint d) /* in: dulint */ + dulint d) /*!< in: dulint */ { return(ut_fold_ulint_pair(ut_dulint_get_low(d), ut_dulint_get_high(d))); } /***************************************************************** -Folds a character string ending in the null character. */ +Folds a character string ending in the null character. +@return folded value */ UNIV_INLINE ulint ut_fold_string( /*===========*/ - /* out: folded value */ - const char* str) /* in: null-terminated string */ + const char* str) /*!< in: null-terminated string */ { ulint fold = 0; @@ -204,14 +204,14 @@ ut_fold_string( } /***************************************************************** -Folds a binary string. */ +Folds a binary string. +@return folded value */ UNIV_INLINE ulint ut_fold_binary( /*===========*/ - /* out: folded value */ - const byte* str, /* in: string of bytes */ - ulint len) /* in: length */ + const byte* str, /*!< in: string of bytes */ + ulint len) /*!< in: length */ { const byte* str_end = str + len; ulint fold = 0; diff --git a/include/ut0ut.h b/include/ut0ut.h index b3b3671ece9..e599019743d 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -54,64 +54,63 @@ do { \ /************************************************************ Gets the high 32 bits in a ulint. That is makes a shift >> 32, but since there seem to be compiler bugs in both gcc and Visual C++, -we do this by a special conversion. */ +we do this by a special conversion. +@return a >> 32 */ UNIV_INTERN ulint ut_get_high32( /*==========*/ - /* out: a >> 32 */ - ulint a); /* in: ulint */ + ulint a); /*!< in: ulint */ /********************************************************** -Calculates the minimum of two ulints. */ +Calculates the minimum of two ulints. +@return minimum */ UNIV_INLINE ulint ut_min( /*===*/ - /* out: minimum */ - ulint n1, /* in: first number */ - ulint n2); /* in: second number */ + ulint n1, /*!< in: first number */ + ulint n2); /*!< in: second number */ /********************************************************** -Calculates the maximum of two ulints. */ +Calculates the maximum of two ulints. +@return maximum */ UNIV_INLINE ulint ut_max( /*===*/ - /* out: maximum */ - ulint n1, /* in: first number */ - ulint n2); /* in: second number */ + ulint n1, /*!< in: first number */ + ulint n2); /*!< in: second number */ /******************************************************************** Calculates minimum of two ulint-pairs. */ UNIV_INLINE void ut_pair_min( /*========*/ - ulint* a, /* out: more significant part of minimum */ - ulint* b, /* out: less significant part of minimum */ - ulint a1, /* in: more significant part of first pair */ - ulint b1, /* in: less significant part of first pair */ - ulint a2, /* in: more significant part of second pair */ - ulint b2); /* in: less significant part of second pair */ + ulint* a, /*!< out: more significant part of minimum */ + ulint* b, /*!< out: less significant part of minimum */ + ulint a1, /*!< in: more significant part of first pair */ + ulint b1, /*!< in: less significant part of first pair */ + ulint a2, /*!< in: more significant part of second pair */ + ulint b2); /*!< in: less significant part of second pair */ /********************************************************** -Compares two ulints. */ +Compares two ulints. +@return 1 if a > b, 0 if a == b, -1 if a < b */ UNIV_INLINE int ut_ulint_cmp( /*=========*/ - /* out: 1 if a > b, 0 if a == b, -1 if a < b */ - ulint a, /* in: ulint */ - ulint b); /* in: ulint */ + ulint a, /*!< in: ulint */ + ulint b); /*!< in: ulint */ /*********************************************************** -Compares two pairs of ulints. */ +Compares two pairs of ulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE int ut_pair_cmp( /*========*/ - /* out: -1 if a < b, 0 if a == b, - 1 if a > b */ - ulint a1, /* in: more significant part of first pair */ - ulint a2, /* in: less significant part of first pair */ - ulint b1, /* in: more significant part of second pair */ - ulint b2); /* in: less significant part of second pair */ + ulint a1, /*!< in: more significant part of first pair */ + ulint a2, /*!< in: less significant part of first pair */ + ulint b1, /*!< in: more significant part of second pair */ + ulint b2); /*!< in: less significant part of second pair */ /***************************************************************** Determines if a number is zero or a power of two. */ #define ut_is_2pow(n) UNIV_LIKELY(!((n) & ((n) - 1))) @@ -129,29 +128,29 @@ when m is a power of two. In other words, rounds n up to m * k. */ #define ut_calc_align(n, m) (((n) + ((m) - 1)) & ~((m) - 1)) /***************************************************************** Calculates fast the 2-logarithm of a number, rounded upward to an -integer. */ +integer. +@return logarithm in the base 2, rounded upward */ UNIV_INLINE ulint ut_2_log( /*=====*/ - /* out: logarithm in the base 2, rounded upward */ - ulint n); /* in: number */ + ulint n); /*!< in: number */ /***************************************************************** -Calculates 2 to power n. */ +Calculates 2 to power n. +@return 2 to power n */ UNIV_INLINE ulint ut_2_exp( /*=====*/ - /* out: 2 to power n */ - ulint n); /* in: number */ + ulint n); /*!< in: number */ /***************************************************************** -Calculates fast the number rounded up to the nearest power of 2. */ +Calculates fast the number rounded up to the nearest power of 2. +@return first power of 2 which is >= n */ UNIV_INTERN ulint ut_2_power_up( /*==========*/ - /* out: first power of 2 which is >= n */ - ulint n) /* in: number != 0 */ + ulint n) /*!< in: number != 0 */ __attribute__((const)); /* Determine how many bytes (groups of 8 bits) are needed to @@ -160,59 +159,59 @@ store the given number of bits. */ /************************************************************** Returns system time. We do not specify the format of the time returned: -the only way to manipulate it is to use the function ut_difftime. */ +the only way to manipulate it is to use the function ut_difftime. +@return system time */ UNIV_INTERN ib_time_t ut_time(void); /*=========*/ - /* out: system time */ /************************************************************** Returns system time. Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the -error. */ +error. +@return 0 on success, -1 otherwise */ UNIV_INTERN int ut_usectime( /*========*/ - /* out: 0 on success, -1 otherwise */ - ulint* sec, /* out: seconds since the Epoch */ - ulint* ms); /* out: microseconds since the Epoch+*sec */ + ulint* sec, /*!< out: seconds since the Epoch */ + ulint* ms); /*!< out: microseconds since the Epoch+*sec */ /************************************************************** Returns the number of microseconds since epoch. Similar to time(3), the return value is also stored in *tloc, provided -that tloc is non-NULL. */ +that tloc is non-NULL. +@return us since epoch */ UNIV_INTERN ullint ut_time_us( /*=======*/ - /* out: us since epoch */ - ullint* tloc); /* out: us since epoch, if non-NULL */ + ullint* tloc); /*!< out: us since epoch, if non-NULL */ /************************************************************** -Returns the difference of two times in seconds. */ +Returns the difference of two times in seconds. +@return time2 - time1 expressed in seconds */ UNIV_INTERN double ut_difftime( /*========*/ - /* out: time2 - time1 expressed in seconds */ - ib_time_t time2, /* in: time */ - ib_time_t time1); /* in: time */ + ib_time_t time2, /*!< in: time */ + ib_time_t time1); /*!< in: time */ /************************************************************** Prints a timestamp to a file. */ UNIV_INTERN void ut_print_timestamp( /*===============*/ - FILE* file); /* in: file where to print */ + FILE* file); /*!< in: file where to print */ /************************************************************** Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ UNIV_INTERN void ut_sprintf_timestamp( /*=================*/ - char* buf); /* in: buffer where to sprintf */ + char* buf); /*!< in: buffer where to sprintf */ #ifdef UNIV_HOTBACKUP /************************************************************** Sprintfs a timestamp to a buffer with no spaces and with ':' characters @@ -221,26 +220,26 @@ UNIV_INTERN void ut_sprintf_timestamp_without_extra_chars( /*=====================================*/ - char* buf); /* in: buffer where to sprintf */ + char* buf); /*!< in: buffer where to sprintf */ /************************************************************** Returns current year, month, day. */ UNIV_INTERN void ut_get_year_month_day( /*==================*/ - ulint* year, /* out: current year */ - ulint* month, /* out: month */ - ulint* day); /* out: day */ + ulint* year, /*!< out: current year */ + ulint* month, /*!< out: month */ + ulint* day); /*!< out: day */ #else /* UNIV_HOTBACKUP */ /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay -in microseconds on 100 MHz Pentium + Visual C++. */ +in microseconds on 100 MHz Pentium + Visual C++. +@return dummy value */ UNIV_INTERN ulint ut_delay( /*=====*/ - /* out: dummy value */ - ulint delay); /* in: delay in microseconds on 100 MHz Pentium */ + ulint delay); /*!< in: delay in microseconds on 100 MHz Pentium */ #endif /* UNIV_HOTBACKUP */ /***************************************************************** Prints the contents of a memory buffer in hex and ascii. */ @@ -248,9 +247,9 @@ UNIV_INTERN void ut_print_buf( /*=========*/ - FILE* file, /* in: file where to print */ - const void* buf, /* in: memory buffer */ - ulint len); /* in: length of the buffer */ + FILE* file, /*!< in: file where to print */ + const void* buf, /*!< in: memory buffer */ + ulint len); /*!< in: length of the buffer */ /************************************************************************** Outputs a NUL-terminated file name, quoted with apostrophes. */ @@ -258,8 +257,8 @@ UNIV_INTERN void ut_print_filename( /*==============*/ - FILE* f, /* in: output stream */ - const char* name); /* in: name to print */ + FILE* f, /*!< in: output stream */ + const char* name); /*!< in: name to print */ #ifndef UNIV_HOTBACKUP /* Forward declaration of transaction handle */ @@ -274,11 +273,11 @@ UNIV_INTERN void ut_print_name( /*==========*/ - FILE* f, /* in: output stream */ - struct trx_struct*trx, /* in: transaction */ - ibool table_id,/* in: TRUE=print a table name, + FILE* f, /*!< in: output stream */ + struct trx_struct*trx, /*!< in: transaction */ + ibool table_id,/*!< in: TRUE=print a table name, FALSE=print other identifier */ - const char* name); /* in: name to print */ + const char* name); /*!< in: name to print */ /************************************************************************** Outputs a fixed-length string, quoted as an SQL identifier. @@ -289,12 +288,12 @@ UNIV_INTERN void ut_print_namel( /*===========*/ - FILE* f, /* in: output stream */ - struct trx_struct*trx, /* in: transaction (NULL=no quotes) */ - ibool table_id,/* in: TRUE=print a table name, + FILE* f, /*!< in: output stream */ + struct trx_struct*trx, /*!< in: transaction (NULL=no quotes) */ + ibool table_id,/*!< in: TRUE=print a table name, FALSE=print other identifier */ - const char* name, /* in: name to print */ - ulint namelen);/* in: length of name */ + const char* name, /*!< in: name to print */ + ulint namelen);/*!< in: length of name */ /************************************************************************** Catenate files. */ @@ -302,26 +301,23 @@ UNIV_INTERN void ut_copy_file( /*=========*/ - FILE* dest, /* in: output file */ - FILE* src); /* in: input file to be appended to output */ + FILE* dest, /*!< in: output file */ + FILE* src); /*!< in: input file to be appended to output */ #endif /* !UNIV_HOTBACKUP */ #ifdef __WIN__ /************************************************************************** A substitute for snprintf(3), formatted output conversion into -a limited buffer. */ +a limited buffer. +@return number of characters that would have been printed if the size were unlimited, not including the terminating '\0'. */ UNIV_INTERN int ut_snprintf( /*========*/ - /* out: number of characters that would - have been printed if the size were - unlimited, not including the terminating - '\0'. */ - char* str, /* out: string */ - size_t size, /* in: str size */ - const char* fmt, /* in: format */ - ...); /* in: format values */ + char* str, /*!< out: string */ + size_t size, /*!< in: str size */ + const char* fmt, /*!< in: format */ + ...); /*!< in: format values */ #else # define ut_snprintf snprintf #endif /* __WIN__ */ diff --git a/include/ut0ut.ic b/include/ut0ut.ic index e4e0a2acce6..5a54691ab87 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -23,27 +23,27 @@ Created 5/30/1994 Heikki Tuuri *******************************************************************/ /********************************************************** -Calculates the minimum of two ulints. */ +Calculates the minimum of two ulints. +@return minimum */ UNIV_INLINE ulint ut_min( /*===*/ - /* out: minimum */ - ulint n1, /* in: first number */ - ulint n2) /* in: second number */ + ulint n1, /*!< in: first number */ + ulint n2) /*!< in: second number */ { return((n1 <= n2) ? n1 : n2); } /********************************************************** -Calculates the maximum of two ulints. */ +Calculates the maximum of two ulints. +@return maximum */ UNIV_INLINE ulint ut_max( /*===*/ - /* out: maximum */ - ulint n1, /* in: first number */ - ulint n2) /* in: second number */ + ulint n1, /*!< in: first number */ + ulint n2) /*!< in: second number */ { return((n1 <= n2) ? n2 : n1); } @@ -54,12 +54,12 @@ UNIV_INLINE void ut_pair_min( /*========*/ - ulint* a, /* out: more significant part of minimum */ - ulint* b, /* out: less significant part of minimum */ - ulint a1, /* in: more significant part of first pair */ - ulint b1, /* in: less significant part of first pair */ - ulint a2, /* in: more significant part of second pair */ - ulint b2) /* in: less significant part of second pair */ + ulint* a, /*!< out: more significant part of minimum */ + ulint* b, /*!< out: less significant part of minimum */ + ulint a1, /*!< in: more significant part of first pair */ + ulint b1, /*!< in: less significant part of first pair */ + ulint a2, /*!< in: more significant part of second pair */ + ulint b2) /*!< in: less significant part of second pair */ { if (a1 == a2) { *a = a1; @@ -74,14 +74,14 @@ ut_pair_min( } /********************************************************** -Compares two ulints. */ +Compares two ulints. +@return 1 if a > b, 0 if a == b, -1 if a < b */ UNIV_INLINE int ut_ulint_cmp( /*=========*/ - /* out: 1 if a > b, 0 if a == b, -1 if a < b */ - ulint a, /* in: ulint */ - ulint b) /* in: ulint */ + ulint a, /*!< in: ulint */ + ulint b) /*!< in: ulint */ { if (a < b) { return(-1); @@ -93,16 +93,16 @@ ut_ulint_cmp( } /*********************************************************** -Compares two pairs of ulints. */ +Compares two pairs of ulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE int ut_pair_cmp( /*========*/ - /* out: -1 if a < b, 0 if a == b, 1 if a > b */ - ulint a1, /* in: more significant part of first pair */ - ulint a2, /* in: less significant part of first pair */ - ulint b1, /* in: more significant part of second pair */ - ulint b2) /* in: less significant part of second pair */ + ulint a1, /*!< in: more significant part of first pair */ + ulint a2, /*!< in: less significant part of first pair */ + ulint b1, /*!< in: more significant part of second pair */ + ulint b2) /*!< in: less significant part of second pair */ { if (a1 > b1) { return(1); @@ -119,13 +119,13 @@ ut_pair_cmp( /***************************************************************** Calculates fast the 2-logarithm of a number, rounded upward to an -integer. */ +integer. +@return logarithm in the base 2, rounded upward */ UNIV_INLINE ulint ut_2_log( /*=====*/ - /* out: logarithm in the base 2, rounded upward */ - ulint n) /* in: number != 0 */ + ulint n) /*!< in: number != 0 */ { ulint res; @@ -149,13 +149,13 @@ ut_2_log( } /***************************************************************** -Calculates 2 to power n. */ +Calculates 2 to power n. +@return 2 to power n */ UNIV_INLINE ulint ut_2_exp( /*=====*/ - /* out: 2 to power n */ - ulint n) /* in: number */ + ulint n) /*!< in: number */ { return((ulint) 1 << n); } diff --git a/include/ut0vec.h b/include/ut0vec.h index aeb7e168dc6..167c791dc88 100644 --- a/include/ut0vec.h +++ b/include/ut0vec.h @@ -39,14 +39,14 @@ typedef struct ib_vector_struct ib_vector_t; */ /******************************************************************** -Create a new vector with the given initial size. */ +Create a new vector with the given initial size. +@return vector */ UNIV_INTERN ib_vector_t* ib_vector_create( /*=============*/ - /* out: vector */ - mem_heap_t* heap, /* in: heap */ - ulint size); /* in: initial size */ + mem_heap_t* heap, /*!< in: heap */ + ulint size); /*!< in: initial size */ /******************************************************************** Push a new element to the vector, increasing its size if necessary. */ @@ -54,36 +54,36 @@ UNIV_INTERN void ib_vector_push( /*===========*/ - ib_vector_t* vec, /* in: vector */ - void* elem); /* in: data element */ + ib_vector_t* vec, /*!< in: vector */ + void* elem); /*!< in: data element */ /******************************************************************** -Get the number of elements in the vector. */ +Get the number of elements in the vector. +@return number of elements in vector */ UNIV_INLINE ulint ib_vector_size( /*===========*/ - /* out: number of elements in vector */ - const ib_vector_t* vec); /* in: vector */ + const ib_vector_t* vec); /*!< in: vector */ /******************************************************************** -Test whether a vector is empty or not. */ +Test whether a vector is empty or not. +@return TRUE if empty */ UNIV_INLINE ibool ib_vector_is_empty( /*===============*/ - /* out: TRUE if empty */ - const ib_vector_t* vec); /* in: vector */ + const ib_vector_t* vec); /*!< in: vector */ /******************************************************************** -Get the n'th element. */ +Get the n'th element. +@return n'th element */ UNIV_INLINE void* ib_vector_get( /*==========*/ - /* out: n'th element */ - ib_vector_t* vec, /* in: vector */ - ulint n); /* in: element index to get */ + ib_vector_t* vec, /*!< in: vector */ + ulint n); /*!< in: element index to get */ /******************************************************************** Remove the last element from the vector. */ @@ -91,7 +91,7 @@ UNIV_INLINE void* ib_vector_pop( /*==========*/ - ib_vector_t* vec); /* in: vector */ + ib_vector_t* vec); /*!< in: vector */ /******************************************************************** Free the underlying heap of the vector. Note that vec is invalid @@ -100,7 +100,7 @@ UNIV_INLINE void ib_vector_free( /*===========*/ - ib_vector_t* vec); /* in,own: vector */ + ib_vector_t* vec); /*!< in,own: vector */ /* See comment at beginning of file. */ struct ib_vector_struct { diff --git a/include/ut0vec.ic b/include/ut0vec.ic index cda1a825734..edfc7ef2e24 100644 --- a/include/ut0vec.ic +++ b/include/ut0vec.ic @@ -17,26 +17,26 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ /******************************************************************** -Get number of elements in vector. */ +Get number of elements in vector. +@return number of elements in vector */ UNIV_INLINE ulint ib_vector_size( /*===========*/ - /* out: number of elements in vector */ - const ib_vector_t* vec) /* in: vector */ + const ib_vector_t* vec) /*!< in: vector */ { return(vec->used); } /******************************************************************** -Get n'th element. */ +Get n'th element. +@return n'th element */ UNIV_INLINE void* ib_vector_get( /*==========*/ - /* out: n'th element */ - ib_vector_t* vec, /* in: vector */ - ulint n) /* in: element index to get */ + ib_vector_t* vec, /*!< in: vector */ + ulint n) /*!< in: element index to get */ { ut_a(n < vec->used); @@ -44,13 +44,13 @@ ib_vector_get( } /******************************************************************** -Remove the last element from the vector. */ +Remove the last element from the vector. +@return last vector element */ UNIV_INLINE void* ib_vector_pop( /*==========*/ - /* out: last vector element */ - ib_vector_t* vec) /* in/out: vector */ + ib_vector_t* vec) /*!< in/out: vector */ { void* elem; @@ -71,19 +71,19 @@ UNIV_INLINE void ib_vector_free( /*===========*/ - ib_vector_t* vec) /* in, own: vector */ + ib_vector_t* vec) /*!< in, own: vector */ { mem_heap_free(vec->heap); } /******************************************************************** -Test whether a vector is empty or not. */ +Test whether a vector is empty or not. +@return TRUE if empty */ UNIV_INLINE ibool ib_vector_is_empty( /*===============*/ - /* out: TRUE if empty */ - const ib_vector_t* vec) /* in: vector */ + const ib_vector_t* vec) /*!< in: vector */ { return(ib_vector_size(vec) == 0); } diff --git a/include/ut0wqueue.h b/include/ut0wqueue.h index 6ba36aec55e..e0f5afc161c 100644 --- a/include/ut0wqueue.h +++ b/include/ut0wqueue.h @@ -33,12 +33,12 @@ processing. typedef struct ib_wqueue_struct ib_wqueue_t; /******************************************************************** -Create a new work queue. */ +Create a new work queue. +@return work queue */ UNIV_INTERN ib_wqueue_t* ib_wqueue_create(void); /*===================*/ - /* out: work queue */ /******************************************************************** Free a work queue. */ @@ -46,7 +46,7 @@ UNIV_INTERN void ib_wqueue_free( /*===========*/ - ib_wqueue_t* wq); /* in: work queue */ + ib_wqueue_t* wq); /*!< in: work queue */ /******************************************************************** Add a work item to the queue. */ @@ -54,19 +54,19 @@ UNIV_INTERN void ib_wqueue_add( /*==========*/ - ib_wqueue_t* wq, /* in: work queue */ - void* item, /* in: work item */ - mem_heap_t* heap); /* in: memory heap to use for allocating the + ib_wqueue_t* wq, /*!< in: work queue */ + void* item, /*!< in: work item */ + mem_heap_t* heap); /*!< in: memory heap to use for allocating the list node */ /******************************************************************** -Wait for a work item to appear in the queue. */ +Wait for a work item to appear in the queue. +@return work item */ UNIV_INTERN void* ib_wqueue_wait( /*===========*/ - /* out: work item */ - ib_wqueue_t* wq); /* in: work queue */ + ib_wqueue_t* wq); /*!< in: work queue */ /* Work queue. */ struct ib_wqueue_struct { diff --git a/lock/lock0iter.c b/lock/lock0iter.c index e7a128d0db3..78dceb7bb43 100644 --- a/lock/lock0iter.c +++ b/lock/lock0iter.c @@ -48,9 +48,9 @@ UNIV_INTERN void lock_queue_iterator_reset( /*======================*/ - lock_queue_iterator_t* iter, /* out: iterator */ - const lock_t* lock, /* in: lock to start from */ - ulint bit_no) /* in: record number in the + lock_queue_iterator_t* iter, /*!< out: iterator */ + const lock_t* lock, /*!< in: lock to start from */ + ulint bit_no) /*!< in: record number in the heap */ { ut_ad(mutex_own(&kernel_mutex)); @@ -79,13 +79,13 @@ lock_queue_iterator_reset( /*********************************************************************** Gets the previous lock in the lock queue, returns NULL if there are no more locks (i.e. the current lock is the first one). The iterator is -receded (if not-NULL is returned). */ +receded (if not-NULL is returned). +@return previous lock or NULL */ UNIV_INTERN const lock_t* lock_queue_iterator_get_prev( /*=========================*/ - /* out: previous lock or NULL */ - lock_queue_iterator_t* iter) /* in/out: iterator */ + lock_queue_iterator_t* iter) /*!< in/out: iterator */ { const lock_t* prev_lock; diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 9ed32070b7b..8ee173664bb 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -344,22 +344,22 @@ equal to mode2. */ UNIV_INTERN ibool lock_print_waits = FALSE; /************************************************************************* -Validates the lock system. */ +Validates the lock system. +@return TRUE if ok */ static ibool lock_validate(void); /*===============*/ - /* out: TRUE if ok */ /************************************************************************* -Validates the record lock queues on a page. */ +Validates the record lock queues on a page. +@return TRUE if ok */ static ibool lock_rec_validate_page( /*===================*/ - /* out: TRUE if ok */ - ulint space, /* in: space id */ - ulint page_no);/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no);/*!< in: page number */ /* Define the following in order to enable lock_rec_validate_page() checks. */ # undef UNIV_DEBUG_LOCK_VALIDATE @@ -378,50 +378,40 @@ UNIV_INTERN FILE* lock_latest_err_file; #define LOCK_VICTIM_IS_OTHER 2 /************************************************************************ -Checks if a lock request results in a deadlock. */ +Checks if a lock request results in a deadlock. +@return TRUE if a deadlock was detected and we chose trx as a victim; FALSE if no deadlock, or there was a deadlock, but we chose other transaction(s) as victim(s) */ static ibool lock_deadlock_occurs( /*=================*/ - /* out: TRUE if a deadlock was detected and we - chose trx as a victim; FALSE if no deadlock, or - there was a deadlock, but we chose other - transaction(s) as victim(s) */ - lock_t* lock, /* in: lock the transaction is requesting */ - trx_t* trx); /* in: transaction */ + lock_t* lock, /*!< in: lock the transaction is requesting */ + trx_t* trx); /*!< in: transaction */ /************************************************************************ -Looks recursively for a deadlock. */ +Looks recursively for a deadlock. +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another deadlock! */ static ulint lock_deadlock_recursive( /*====================*/ - /* out: 0 if no deadlock found, - LOCK_VICTIM_IS_START if there was a deadlock - and we chose 'start' as the victim, - LOCK_VICTIM_IS_OTHER if a deadlock - was found and we chose some other trx as a - victim: we must do the search again in this - last case because there may be another - deadlock! */ - trx_t* start, /* in: recursion starting point */ - trx_t* trx, /* in: a transaction waiting for a lock */ - lock_t* wait_lock, /* in: the lock trx is waiting to be granted */ - ulint* cost, /* in/out: number of calculation steps thus + trx_t* start, /*!< in: recursion starting point */ + trx_t* trx, /*!< in: a transaction waiting for a lock */ + lock_t* wait_lock, /*!< in: the lock trx is waiting to be granted */ + ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_VICTIM_IS_START */ - ulint depth); /* in: recursion depth: if this exceeds + ulint depth); /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_VICTIM_IS_START */ /************************************************************************* -Gets the nth bit of a record lock. */ +Gets the nth bit of a record lock. +@return TRUE if bit set */ UNIV_INLINE ibool lock_rec_get_nth_bit( /*=================*/ - /* out: TRUE if bit set */ - const lock_t* lock, /* in: record lock */ - ulint i) /* in: index of the bit */ + const lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ { ulint byte_index; ulint bit_index; @@ -446,17 +436,17 @@ lock_rec_get_nth_bit( #define lock_mutex_exit_kernel() mutex_exit(&kernel_mutex) /************************************************************************* -Checks that a transaction id is sensible, i.e., not in the future. */ +Checks that a transaction id is sensible, i.e., not in the future. +@return TRUE if ok */ UNIV_INTERN ibool lock_check_trx_id_sanity( /*=====================*/ - /* out: TRUE if ok */ - trx_id_t trx_id, /* in: trx id */ - const rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: index */ - const ulint* offsets, /* in: rec_get_offsets(rec, index) */ - ibool has_kernel_mutex)/* in: TRUE if the caller owns the + trx_id_t trx_id, /*!< in: trx id */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ibool has_kernel_mutex)/*!< in: TRUE if the caller owns the kernel mutex */ { ibool is_ok = TRUE; @@ -497,18 +487,17 @@ lock_check_trx_id_sanity( } /************************************************************************* -Checks that a record is seen in a consistent read. */ +Checks that a record is seen in a consistent read. +@return TRUE if sees, or FALSE if an earlier version of the record should be retrieved */ UNIV_INTERN ibool lock_clust_rec_cons_read_sees( /*==========================*/ - /* out: TRUE if sees, or FALSE if an earlier - version of the record should be retrieved */ - const rec_t* rec, /* in: user record which should be read or + const rec_t* rec, /*!< in: user record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - read_view_t* view) /* in: consistent read view */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + read_view_t* view) /*!< in: consistent read view */ { trx_id_t trx_id; @@ -526,28 +515,16 @@ lock_clust_rec_cons_read_sees( } /************************************************************************* -Checks that a non-clustered index record is seen in a consistent read. */ +Checks that a non-clustered index record is seen in a consistent read. +@return TRUE if certainly sees, or FALSE if an earlier version of the clustered index record might be needed: NOTE that a non-clustered index page contains so little information on its modifications that also in the case FALSE, the present version of rec may be the right, but we must check this from the clustered index record */ UNIV_INTERN ulint lock_sec_rec_cons_read_sees( /*========================*/ - /* out: TRUE if certainly - sees, or FALSE if an earlier - version of the clustered index - record might be needed: NOTE - that a non-clustered index - page contains so little - information on its - modifications that also in the - case FALSE, the present - version of rec may be the - right, but we must check this - from the clustered index - record */ - const rec_t* rec, /* in: user record which + const rec_t* rec, /*!< in: user record which should be read or passed over by a read cursor */ - const read_view_t* view) /* in: consistent read view */ + const read_view_t* view) /*!< in: consistent read view */ { trx_id_t max_trx_id; @@ -574,7 +551,7 @@ UNIV_INTERN void lock_sys_create( /*============*/ - ulint n_cells) /* in: number of slots in lock hash table */ + ulint n_cells) /*!< in: number of slots in lock hash table */ { lock_sys = mem_alloc(sizeof(lock_sys_t)); @@ -587,24 +564,24 @@ lock_sys_create( } /************************************************************************* -Gets the size of a lock struct. */ +Gets the size of a lock struct. +@return size in bytes */ UNIV_INTERN ulint lock_get_size(void) /*===============*/ - /* out: size in bytes */ { return((ulint)sizeof(lock_t)); } /************************************************************************* -Gets the mode of a lock. */ +Gets the mode of a lock. +@return mode */ UNIV_INLINE enum lock_mode lock_get_mode( /*==========*/ - /* out: mode */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_ad(lock); @@ -612,13 +589,13 @@ lock_get_mode( } /************************************************************************* -Gets the wait flag of a lock. */ +Gets the wait flag of a lock. +@return TRUE if waiting */ UNIV_INLINE ibool lock_get_wait( /*==========*/ - /* out: TRUE if waiting */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_ad(lock); @@ -632,19 +609,15 @@ lock_get_wait( /************************************************************************* Gets the source table of an ALTER TABLE transaction. The table must be -covered by an IX or IS table lock. */ +covered by an IX or IS table lock. +@return the source table of transaction, if it is covered by an IX or IS table lock; dest if there is no source table, and NULL if the transaction is locking more than two tables or an inconsistency is found */ UNIV_INTERN dict_table_t* lock_get_src_table( /*===============*/ - /* out: the source table of transaction, - if it is covered by an IX or IS table lock; - dest if there is no source table, and - NULL if the transaction is locking more than - two tables or an inconsistency is found */ - trx_t* trx, /* in: transaction */ - dict_table_t* dest, /* in: destination of ALTER TABLE */ - enum lock_mode* mode) /* out: lock mode of the source table */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* dest, /*!< in: destination of ALTER TABLE */ + enum lock_mode* mode) /*!< out: lock mode of the source table */ { dict_table_t* src; lock_t* lock; @@ -703,15 +676,14 @@ lock_get_src_table( /************************************************************************* Determine if the given table is exclusively "owned" by the given transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC -on the table. */ +on the table. +@return TRUE if table is only locked by trx, with LOCK_IX, and possibly LOCK_AUTO_INC */ UNIV_INTERN ibool lock_is_table_exclusive( /*====================*/ - /* out: TRUE if table is only locked by trx, - with LOCK_IX, and possibly LOCK_AUTO_INC */ - dict_table_t* table, /* in: table */ - trx_t* trx) /* in: transaction */ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction */ { const lock_t* lock; ibool ok = FALSE; @@ -763,8 +735,8 @@ UNIV_INLINE void lock_set_lock_and_trx_wait( /*=======================*/ - lock_t* lock, /* in: lock */ - trx_t* trx) /* in: trx */ + lock_t* lock, /*!< in: lock */ + trx_t* trx) /*!< in: trx */ { ut_ad(lock); ut_ad(trx->wait_lock == NULL); @@ -780,7 +752,7 @@ UNIV_INLINE void lock_reset_lock_and_trx_wait( /*=========================*/ - lock_t* lock) /* in: record lock */ + lock_t* lock) /*!< in: record lock */ { ut_ad((lock->trx)->wait_lock == lock); ut_ad(lock_get_wait(lock)); @@ -792,13 +764,13 @@ lock_reset_lock_and_trx_wait( } /************************************************************************* -Gets the gap flag of a record lock. */ +Gets the gap flag of a record lock. +@return TRUE if gap flag set */ UNIV_INLINE ibool lock_rec_get_gap( /*=============*/ - /* out: TRUE if gap flag set */ - const lock_t* lock) /* in: record lock */ + const lock_t* lock) /*!< in: record lock */ { ut_ad(lock); ut_ad(lock_get_type_low(lock) == LOCK_REC); @@ -812,13 +784,13 @@ lock_rec_get_gap( } /************************************************************************* -Gets the LOCK_REC_NOT_GAP flag of a record lock. */ +Gets the LOCK_REC_NOT_GAP flag of a record lock. +@return TRUE if LOCK_REC_NOT_GAP flag set */ UNIV_INLINE ibool lock_rec_get_rec_not_gap( /*=====================*/ - /* out: TRUE if LOCK_REC_NOT_GAP flag set */ - const lock_t* lock) /* in: record lock */ + const lock_t* lock) /*!< in: record lock */ { ut_ad(lock); ut_ad(lock_get_type_low(lock) == LOCK_REC); @@ -832,13 +804,13 @@ lock_rec_get_rec_not_gap( } /************************************************************************* -Gets the waiting insert flag of a record lock. */ +Gets the waiting insert flag of a record lock. +@return TRUE if gap flag set */ UNIV_INLINE ibool lock_rec_get_insert_intention( /*==========================*/ - /* out: TRUE if gap flag set */ - const lock_t* lock) /* in: record lock */ + const lock_t* lock) /*!< in: record lock */ { ut_ad(lock); ut_ad(lock_get_type_low(lock) == LOCK_REC); @@ -852,15 +824,14 @@ lock_rec_get_insert_intention( } /************************************************************************* -Calculates if lock mode 1 is stronger or equal to lock mode 2. */ +Calculates if lock mode 1 is stronger or equal to lock mode 2. +@return nonzero if mode1 stronger or equal to mode2 */ UNIV_INLINE ulint lock_mode_stronger_or_eq( /*=====================*/ - /* out: nonzero - if mode1 stronger or equal to mode2 */ - enum lock_mode mode1, /* in: lock mode */ - enum lock_mode mode2) /* in: lock mode */ + enum lock_mode mode1, /*!< in: lock mode */ + enum lock_mode mode2) /*!< in: lock mode */ { ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); @@ -871,14 +842,14 @@ lock_mode_stronger_or_eq( } /************************************************************************* -Calculates if lock mode 1 is compatible with lock mode 2. */ +Calculates if lock mode 1 is compatible with lock mode 2. +@return nonzero if mode1 compatible with mode2 */ UNIV_INLINE ulint lock_mode_compatible( /*=================*/ - /* out: nonzero if mode1 compatible with mode2 */ - enum lock_mode mode1, /* in: lock mode */ - enum lock_mode mode2) /* in: lock mode */ + enum lock_mode mode1, /*!< in: lock mode */ + enum lock_mode mode2) /*!< in: lock mode */ { ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); @@ -889,23 +860,22 @@ lock_mode_compatible( } /************************************************************************* -Checks if a lock request for a new lock has to wait for request lock2. */ +Checks if a lock request for a new lock has to wait for request lock2. +@return TRUE if new lock has to wait for lock2 to be removed */ UNIV_INLINE ibool lock_rec_has_to_wait( /*=================*/ - /* out: TRUE if new lock has to wait - for lock2 to be removed */ - const trx_t* trx, /* in: trx of new lock */ - ulint type_mode,/* in: precise mode of the new lock + const trx_t* trx, /*!< in: trx of new lock */ + ulint type_mode,/*!< in: precise mode of the new lock to set: LOCK_S or LOCK_X, possibly ORed to LOCK_GAP or LOCK_REC_NOT_GAP, LOCK_INSERT_INTENTION */ - const lock_t* lock2, /* in: another record lock; NOTE that + const lock_t* lock2, /*!< in: another record lock; NOTE that it is assumed that this has a lock bit set on the same record as in the new lock we are setting */ - ibool lock_is_on_supremum) /* in: TRUE if we are setting the + ibool lock_is_on_supremum) /*!< in: TRUE if we are setting the lock on the 'supremum' record of an index page: we know then that the lock request is really for a 'gap' type lock */ @@ -972,15 +942,14 @@ lock_rec_has_to_wait( } /************************************************************************* -Checks if a lock request lock1 has to wait for request lock2. */ +Checks if a lock request lock1 has to wait for request lock2. +@return TRUE if lock1 has to wait for lock2 to be removed */ UNIV_INTERN ibool lock_has_to_wait( /*=============*/ - /* out: TRUE if lock1 has to wait for - lock2 to be removed */ - const lock_t* lock1, /* in: waiting lock */ - const lock_t* lock2) /* in: another lock; NOTE that it is + const lock_t* lock1, /*!< in: waiting lock */ + const lock_t* lock2) /*!< in: another lock; NOTE that it is assumed that this has a lock bit set on the same record as in lock1 if the locks are record locks */ @@ -1011,13 +980,13 @@ lock_has_to_wait( /*============== RECORD LOCK BASIC FUNCTIONS ============================*/ /************************************************************************* -Gets the number of bits in a record lock bitmap. */ +Gets the number of bits in a record lock bitmap. +@return number of bits */ UNIV_INLINE ulint lock_rec_get_n_bits( /*================*/ - /* out: number of bits */ - const lock_t* lock) /* in: record lock */ + const lock_t* lock) /*!< in: record lock */ { return(lock->un_member.rec_lock.n_bits); } @@ -1028,8 +997,8 @@ UNIV_INLINE void lock_rec_set_nth_bit( /*=================*/ - lock_t* lock, /* in: record lock */ - ulint i) /* in: index of the bit */ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ { ulint byte_index; ulint bit_index; @@ -1046,14 +1015,13 @@ lock_rec_set_nth_bit( /************************************************************************** Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. */ +if none found. +@return bit index == heap number of the record, or ULINT_UNDEFINED if none found */ UNIV_INTERN ulint lock_rec_find_set_bit( /*==================*/ - /* out: bit index == heap number of - the record, or ULINT_UNDEFINED if none found */ - const lock_t* lock) /* in: record lock with at least one bit set */ + const lock_t* lock) /*!< in: record lock with at least one bit set */ { ulint i; @@ -1074,8 +1042,8 @@ UNIV_INLINE void lock_rec_reset_nth_bit( /*===================*/ - lock_t* lock, /* in: record lock */ - ulint i) /* in: index of the bit which must be set to TRUE + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit which must be set to TRUE when this function is called */ { ulint byte_index; @@ -1092,13 +1060,13 @@ lock_rec_reset_nth_bit( } /************************************************************************* -Gets the first or next record lock on a page. */ +Gets the first or next record lock on a page. +@return next lock, NULL if none exists */ UNIV_INLINE lock_t* lock_rec_get_next_on_page( /*======================*/ - /* out: next lock, NULL if none exists */ - lock_t* lock) /* in: a record lock */ + lock_t* lock) /*!< in: a record lock */ { ulint space; ulint page_no; @@ -1129,14 +1097,14 @@ lock_rec_get_next_on_page( /************************************************************************* Gets the first record lock on a page, where the page is identified by its -file address. */ +file address. +@return first lock, NULL if none exists */ UNIV_INLINE lock_t* lock_rec_get_first_on_page_addr( /*============================*/ - /* out: first lock, NULL if none exists */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { lock_t* lock; @@ -1158,15 +1126,14 @@ lock_rec_get_first_on_page_addr( } /************************************************************************* -Returns TRUE if there are explicit record locks on a page. */ +Returns TRUE if there are explicit record locks on a page. +@return TRUE if there are explicit record locks on the page */ UNIV_INTERN ibool lock_rec_expl_exist_on_page( /*========================*/ - /* out: TRUE if there are explicit record locks on - the page */ - ulint space, /* in: space id */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ { ibool ret; @@ -1185,14 +1152,13 @@ lock_rec_expl_exist_on_page( /************************************************************************* Gets the first record lock on a page, where the page is identified by a -pointer to it. */ +pointer to it. +@return first lock, NULL if none exists */ UNIV_INLINE lock_t* lock_rec_get_first_on_page( /*=======================*/ - /* out: first lock, NULL if - none exists */ - const buf_block_t* block) /* in: buffer block */ + const buf_block_t* block) /*!< in: buffer block */ { ulint hash; lock_t* lock; @@ -1219,14 +1185,14 @@ lock_rec_get_first_on_page( } /************************************************************************* -Gets the next explicit lock request on a record. */ +Gets the next explicit lock request on a record. +@return next lock, NULL if none exists */ UNIV_INLINE lock_t* lock_rec_get_next( /*==============*/ - /* out: next lock, NULL if none exists */ - ulint heap_no,/* in: heap number of the record */ - lock_t* lock) /* in: lock */ + ulint heap_no,/*!< in: heap number of the record */ + lock_t* lock) /*!< in: lock */ { ut_ad(mutex_own(&kernel_mutex)); @@ -1239,15 +1205,14 @@ lock_rec_get_next( } /************************************************************************* -Gets the first explicit lock request on a record. */ +Gets the first explicit lock request on a record. +@return first lock, NULL if none exists */ UNIV_INLINE lock_t* lock_rec_get_first( /*===============*/ - /* out: first lock, NULL if - none exists */ - const buf_block_t* block, /* in: block containing the record */ - ulint heap_no)/* in: heap number of the record */ + const buf_block_t* block, /*!< in: block containing the record */ + ulint heap_no)/*!< in: heap number of the record */ { lock_t* lock; @@ -1271,7 +1236,7 @@ static void lock_rec_bitmap_reset( /*==================*/ - lock_t* lock) /* in: record lock */ + lock_t* lock) /*!< in: record lock */ { ulint n_bytes; @@ -1288,14 +1253,14 @@ lock_rec_bitmap_reset( } /************************************************************************* -Copies a record lock to heap. */ +Copies a record lock to heap. +@return copy of lock */ static lock_t* lock_rec_copy( /*==========*/ - /* out: copy of lock */ - const lock_t* lock, /* in: record lock */ - mem_heap_t* heap) /* in: memory heap */ + const lock_t* lock, /*!< in: record lock */ + mem_heap_t* heap) /*!< in: memory heap */ { ulint size; @@ -1307,15 +1272,14 @@ lock_rec_copy( } /************************************************************************* -Gets the previous record lock set on a record. */ +Gets the previous record lock set on a record. +@return previous lock on the same record, NULL if none exists */ UNIV_INTERN const lock_t* lock_rec_get_prev( /*==============*/ - /* out: previous lock on the same - record, NULL if none exists */ - const lock_t* in_lock,/* in: record lock */ - ulint heap_no)/* in: heap number of the record */ + const lock_t* in_lock,/*!< in: record lock */ + ulint heap_no)/*!< in: heap number of the record */ { lock_t* lock; ulint space; @@ -1350,15 +1314,15 @@ lock_rec_get_prev( /*============= FUNCTIONS FOR ANALYZING TABLE LOCK QUEUE ================*/ /************************************************************************* -Checks if a transaction has the specified table lock, or stronger. */ +Checks if a transaction has the specified table lock, or stronger. +@return lock or NULL */ UNIV_INLINE lock_t* lock_table_has( /*===========*/ - /* out: lock or NULL */ - trx_t* trx, /* in: transaction */ - dict_table_t* table, /* in: table */ - enum lock_mode mode) /* in: lock mode */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + enum lock_mode mode) /*!< in: lock mode */ { lock_t* lock; @@ -1391,21 +1355,21 @@ lock_table_has( /************************************************************************* Checks if a transaction has a GRANTED explicit lock on rec stronger or equal -to precise_mode. */ +to precise_mode. +@return lock or NULL */ UNIV_INLINE lock_t* lock_rec_has_expl( /*==============*/ - /* out: lock or NULL */ - ulint precise_mode,/* in: LOCK_S or LOCK_X + ulint precise_mode,/*!< in: LOCK_S or LOCK_X possibly ORed to LOCK_GAP or LOCK_REC_NOT_GAP, for a supremum record we regard this always a gap type request */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - trx_t* trx) /* in: transaction */ + ulint heap_no,/*!< in: heap number of the record */ + trx_t* trx) /*!< in: transaction */ { lock_t* lock; @@ -1440,23 +1404,23 @@ lock_rec_has_expl( #ifdef UNIV_DEBUG /************************************************************************* -Checks if some other transaction has a lock request in the queue. */ +Checks if some other transaction has a lock request in the queue. +@return lock or NULL */ static lock_t* lock_rec_other_has_expl_req( /*========================*/ - /* out: lock or NULL */ - enum lock_mode mode, /* in: LOCK_S or LOCK_X */ - ulint gap, /* in: LOCK_GAP if also gap + enum lock_mode mode, /*!< in: LOCK_S or LOCK_X */ + ulint gap, /*!< in: LOCK_GAP if also gap locks are taken into account, or 0 if not */ - ulint wait, /* in: LOCK_WAIT if also + ulint wait, /*!< in: LOCK_WAIT if also waiting locks are taken into account, or 0 if not */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - const trx_t* trx) /* in: transaction, or NULL if + ulint heap_no,/*!< in: heap number of the record */ + const trx_t* trx) /*!< in: transaction, or NULL if requests by all transactions are taken into account */ { @@ -1489,20 +1453,20 @@ lock_rec_other_has_expl_req( /************************************************************************* Checks if some other transaction has a conflicting explicit lock request -in the queue, so that we have to wait. */ +in the queue, so that we have to wait. +@return lock or NULL */ static lock_t* lock_rec_other_has_conflicting( /*===========================*/ - /* out: lock or NULL */ - enum lock_mode mode, /* in: LOCK_S or LOCK_X, + enum lock_mode mode, /*!< in: LOCK_S or LOCK_X, possibly ORed to LOCK_GAP or LOC_REC_NOT_GAP, LOCK_INSERT_INTENTION */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - trx_t* trx) /* in: our transaction */ + ulint heap_no,/*!< in: heap number of the record */ + trx_t* trx) /*!< in: our transaction */ { lock_t* lock; @@ -1540,16 +1504,16 @@ lock_rec_other_has_conflicting( /************************************************************************* Looks for a suitable type record lock struct by the same trx on the same page. This can be used to save space when a new record lock should be set on a page: -no new struct is needed, if a suitable old is found. */ +no new struct is needed, if a suitable old is found. +@return lock or NULL */ UNIV_INLINE lock_t* lock_rec_find_similar_on_page( /*==========================*/ - /* out: lock or NULL */ - ulint type_mode, /* in: lock type_mode field */ - ulint heap_no, /* in: heap number of the record */ - lock_t* lock, /* in: lock_rec_get_first_on_page() */ - const trx_t* trx) /* in: transaction */ + ulint type_mode, /*!< in: lock type_mode field */ + ulint heap_no, /*!< in: heap number of the record */ + lock_t* lock, /*!< in: lock_rec_get_first_on_page() */ + const trx_t* trx) /*!< in: transaction */ { ut_ad(mutex_own(&kernel_mutex)); @@ -1569,16 +1533,15 @@ lock_rec_find_similar_on_page( /************************************************************************* Checks if some transaction has an implicit x-lock on a record in a secondary -index. */ +index. +@return transaction which has the x-lock, or NULL */ static trx_t* lock_sec_rec_some_has_impl_off_kernel( /*==================================*/ - /* out: transaction which has the x-lock, or - NULL */ - const rec_t* rec, /* in: user record */ - dict_index_t* index, /* in: secondary index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { const page_t* page = page_align(rec); @@ -1623,7 +1586,7 @@ UNIV_INTERN ulint lock_number_of_rows_locked( /*=======================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { lock_t* lock; ulint n_records = 0; @@ -1653,20 +1616,20 @@ lock_number_of_rows_locked( /************************************************************************* Creates a new record lock and inserts it to the lock queue. Does NOT check -for deadlocks or lock compatibility! */ +for deadlocks or lock compatibility! +@return created lock */ static lock_t* lock_rec_create( /*============*/ - /* out: created lock */ - ulint type_mode,/* in: lock mode and wait + ulint type_mode,/*!< in: lock mode and wait flag, type is ignored and replaced by LOCK_REC */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - dict_index_t* index, /* in: index of record */ - trx_t* trx) /* in: transaction */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + trx_t* trx) /*!< in: transaction */ { lock_t* lock; ulint page_no; @@ -1730,21 +1693,13 @@ lock_rec_create( /************************************************************************* Enqueues a waiting request for a lock which cannot be granted immediately. -Checks for deadlocks. */ +Checks for deadlocks. +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another transaction was chosen as a victim, and we got the lock immediately: no need to wait then */ static ulint lock_rec_enqueue_waiting( /*=====================*/ - /* out: DB_LOCK_WAIT, - DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED, or - DB_SUCCESS; DB_SUCCESS means - that there was a deadlock, but - another transaction was chosen - as a victim, and we got the - lock immediately: no need to - wait then */ - ulint type_mode,/* in: lock mode this + ulint type_mode,/*!< in: lock mode this transaction is requesting: LOCK_S or LOCK_X, possibly ORed with LOCK_GAP or @@ -1753,11 +1708,11 @@ lock_rec_enqueue_waiting( waiting lock request is set when performing an insert of an index record */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - dict_index_t* index, /* in: index of record */ - que_thr_t* thr) /* in: query thread */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ { lock_t* lock; trx_t* trx; @@ -1839,20 +1794,20 @@ added as the last in the queue, but if there are no waiting lock requests on the record, and the request to be added is not a waiting request, we can reuse a suitable record lock object already existing on the same page, just setting the appropriate bit in its bitmap. This is a low-level function -which does NOT check for deadlocks or lock compatibility! */ +which does NOT check for deadlocks or lock compatibility! +@return lock where the bit was set */ static lock_t* lock_rec_add_to_queue( /*==================*/ - /* out: lock where the bit was set */ - ulint type_mode,/* in: lock mode, wait, gap + ulint type_mode,/*!< in: lock mode, wait, gap etc. flags; type is ignored and replaced by LOCK_REC */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of the record */ - dict_index_t* index, /* in: index of record */ - trx_t* trx) /* in: transaction */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + trx_t* trx) /*!< in: transaction */ { lock_t* lock; @@ -1935,24 +1890,24 @@ there are no explicit locks on the page, or there is just one lock, owned by this transaction, and of the right type_mode. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key lock, or in the case of -a page supremum record, a gap type lock. */ +a page supremum record, a gap type lock. +@return TRUE if locking succeeded */ UNIV_INLINE ibool lock_rec_lock_fast( /*===============*/ - /* out: TRUE if locking succeeded */ - ibool impl, /* in: if TRUE, no lock is set + ibool impl, /*!< in: if TRUE, no lock is set if no wait is necessary: we assume that the caller will set an implicit lock */ - ulint mode, /* in: lock mode: LOCK_X or + ulint mode, /*!< in: lock mode: LOCK_X or LOCK_S possibly ORed to either LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of record */ - dict_index_t* index, /* in: index of record */ - que_thr_t* thr) /* in: query thread */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ { lock_t* lock; trx_t* trx; @@ -2008,25 +1963,24 @@ lock_rec_lock_fast( This is the general, and slower, routine for locking a record. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key -lock, or in the case of a page supremum record, a gap type lock. */ +lock, or in the case of a page supremum record, a gap type lock. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ static ulint lock_rec_lock_slow( /*===============*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, or error code */ - ibool impl, /* in: if TRUE, no lock is set + ibool impl, /*!< in: if TRUE, no lock is set if no wait is necessary: we assume that the caller will set an implicit lock */ - ulint mode, /* in: lock mode: LOCK_X or + ulint mode, /*!< in: lock mode: LOCK_X or LOCK_S possibly ORed to either LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of record */ - dict_index_t* index, /* in: index of record */ - que_thr_t* thr) /* in: query thread */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; ulint err; @@ -2076,25 +2030,24 @@ Tries to lock the specified record in the mode requested. If not immediately possible, enqueues a waiting lock request. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key lock, or in the case -of a page supremum record, a gap type lock. */ +of a page supremum record, a gap type lock. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ static ulint lock_rec_lock( /*==========*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, or error code */ - ibool impl, /* in: if TRUE, no lock is set + ibool impl, /*!< in: if TRUE, no lock is set if no wait is necessary: we assume that the caller will set an implicit lock */ - ulint mode, /* in: lock mode: LOCK_X or + ulint mode, /*!< in: lock mode: LOCK_X or LOCK_S possibly ORed to either LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no,/* in: heap number of record */ - dict_index_t* index, /* in: index of record */ - que_thr_t* thr) /* in: query thread */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -2124,13 +2077,13 @@ lock_rec_lock( } /************************************************************************* -Checks if a waiting record lock request still has to wait in a queue. */ +Checks if a waiting record lock request still has to wait in a queue. +@return TRUE if still has to wait */ static ibool lock_rec_has_to_wait_in_queue( /*==========================*/ - /* out: TRUE if still has to wait */ - lock_t* wait_lock) /* in: waiting record lock */ + lock_t* wait_lock) /*!< in: waiting record lock */ { lock_t* lock; ulint space; @@ -2168,7 +2121,7 @@ static void lock_grant( /*=======*/ - lock_t* lock) /* in/out: waiting lock request */ + lock_t* lock) /*!< in/out: waiting lock request */ { ut_ad(mutex_own(&kernel_mutex)); @@ -2214,7 +2167,7 @@ static void lock_rec_cancel( /*============*/ - lock_t* lock) /* in: waiting record lock request */ + lock_t* lock) /*!< in: waiting record lock request */ { ut_ad(mutex_own(&kernel_mutex)); ut_ad(lock_get_type_low(lock) == LOCK_REC); @@ -2239,7 +2192,7 @@ static void lock_rec_dequeue_from_page( /*=======================*/ - lock_t* in_lock)/* in: record lock object: all record locks which + lock_t* in_lock)/*!< in: record lock object: all record locks which are contained in this lock object are removed; transactions waiting behind will get their lock requests granted, if they are now qualified to it */ @@ -2285,7 +2238,7 @@ static void lock_rec_discard( /*=============*/ - lock_t* in_lock)/* in: record lock object: all record locks which + lock_t* in_lock)/*!< in: record lock object: all record locks which are contained in this lock object are removed */ { ulint space; @@ -2314,7 +2267,7 @@ static void lock_rec_free_all_from_discard_page( /*================================*/ - const buf_block_t* block) /* in: page to be discarded */ + const buf_block_t* block) /*!< in: page to be discarded */ { ulint space; ulint page_no; @@ -2349,9 +2302,9 @@ static void lock_rec_reset_and_release_wait( /*============================*/ - const buf_block_t* block, /* in: buffer block containing + const buf_block_t* block, /*!< in: buffer block containing the record */ - ulint heap_no)/* in: heap number of record */ + ulint heap_no)/*!< in: heap number of record */ { lock_t* lock; @@ -2379,15 +2332,15 @@ static void lock_rec_inherit_to_gap( /*====================*/ - const buf_block_t* heir_block, /* in: block containing the + const buf_block_t* heir_block, /*!< in: block containing the record which inherits */ - const buf_block_t* block, /* in: block containing the + const buf_block_t* block, /*!< in: block containing the record from which inherited; does NOT reset the locks on this record */ - ulint heir_heap_no, /* in: heap_no of the + ulint heir_heap_no, /*!< in: heap_no of the inheriting record */ - ulint heap_no) /* in: heap_no of the + ulint heap_no) /*!< in: heap_no of the donating record */ { lock_t* lock; @@ -2427,10 +2380,10 @@ static void lock_rec_inherit_to_gap_if_gap_lock( /*================================*/ - const buf_block_t* block, /* in: buffer block */ - ulint heir_heap_no, /* in: heap_no of + const buf_block_t* block, /*!< in: buffer block */ + ulint heir_heap_no, /*!< in: heap_no of record which inherits */ - ulint heap_no) /* in: heap_no of record + ulint heap_no) /*!< in: heap_no of record from which inherited; does NOT reset the locks on this record */ @@ -2463,15 +2416,15 @@ static void lock_rec_move( /*==========*/ - const buf_block_t* receiver, /* in: buffer block containing + const buf_block_t* receiver, /*!< in: buffer block containing the receiving record */ - const buf_block_t* donator, /* in: buffer block containing + const buf_block_t* donator, /*!< in: buffer block containing the donating record */ - ulint receiver_heap_no,/* in: heap_no of the record + ulint receiver_heap_no,/*!< in: heap_no of the record which gets the locks; there must be no lock requests on it! */ - ulint donator_heap_no)/* in: heap_no of the record + ulint donator_heap_no)/*!< in: heap_no of the record which gives the locks */ { lock_t* lock; @@ -2511,9 +2464,9 @@ UNIV_INTERN void lock_move_reorganize_page( /*======================*/ - const buf_block_t* block, /* in: old index page, now + const buf_block_t* block, /*!< in: old index page, now reorganized */ - const buf_block_t* oblock) /* in: copy of the old, not + const buf_block_t* oblock) /*!< in: copy of the old, not reorganized page */ { lock_t* lock; @@ -2657,9 +2610,9 @@ UNIV_INTERN void lock_move_rec_list_end( /*===================*/ - const buf_block_t* new_block, /* in: index page to move to */ - const buf_block_t* block, /* in: index page */ - const rec_t* rec) /* in: record on page: this + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec) /*!< in: record on page: this is the first record moved */ { lock_t* lock; @@ -2748,12 +2701,12 @@ UNIV_INTERN void lock_move_rec_list_start( /*=====================*/ - const buf_block_t* new_block, /* in: index page to move to */ - const buf_block_t* block, /* in: index page */ - const rec_t* rec, /* in: record on page: + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec, /*!< in: record on page: this is the first record NOT copied */ - const rec_t* old_end) /* in: old + const rec_t* old_end) /*!< in: old previous-to-last record on new_page before the records @@ -2856,8 +2809,8 @@ UNIV_INTERN void lock_update_split_right( /*====================*/ - const buf_block_t* right_block, /* in: right page */ - const buf_block_t* left_block) /* in: left page */ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block) /*!< in: left page */ { ulint heap_no = lock_get_min_heap_no(right_block); @@ -2884,13 +2837,13 @@ UNIV_INTERN void lock_update_merge_right( /*====================*/ - const buf_block_t* right_block, /* in: right page to + const buf_block_t* right_block, /*!< in: right page to which merged */ - const rec_t* orig_succ, /* in: original + const rec_t* orig_succ, /*!< in: original successor of infimum on the right page before merge */ - const buf_block_t* left_block) /* in: merged index + const buf_block_t* left_block) /*!< in: merged index page which will be discarded */ { @@ -2926,8 +2879,8 @@ UNIV_INTERN void lock_update_root_raise( /*===================*/ - const buf_block_t* block, /* in: index page to which copied */ - const buf_block_t* root) /* in: root page */ + const buf_block_t* block, /*!< in: index page to which copied */ + const buf_block_t* root) /*!< in: root page */ { lock_mutex_enter_kernel(); @@ -2946,9 +2899,9 @@ UNIV_INTERN void lock_update_copy_and_discard( /*=========================*/ - const buf_block_t* new_block, /* in: index page to + const buf_block_t* new_block, /*!< in: index page to which copied */ - const buf_block_t* block) /* in: index page; + const buf_block_t* block) /*!< in: index page; NOT the root! */ { lock_mutex_enter_kernel(); @@ -2969,8 +2922,8 @@ UNIV_INTERN void lock_update_split_left( /*===================*/ - const buf_block_t* right_block, /* in: right page */ - const buf_block_t* left_block) /* in: left page */ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block) /*!< in: left page */ { ulint heap_no = lock_get_min_heap_no(right_block); @@ -2991,12 +2944,12 @@ UNIV_INTERN void lock_update_merge_left( /*===================*/ - const buf_block_t* left_block, /* in: left page to + const buf_block_t* left_block, /*!< in: left page to which merged */ - const rec_t* orig_pred, /* in: original predecessor + const rec_t* orig_pred, /*!< in: original predecessor of supremum on the left page before merge */ - const buf_block_t* right_block) /* in: merged index page + const buf_block_t* right_block) /*!< in: merged index page which will be discarded */ { const rec_t* left_next_rec; @@ -3041,15 +2994,15 @@ UNIV_INTERN void lock_rec_reset_and_inherit_gap_locks( /*=================================*/ - const buf_block_t* heir_block, /* in: block containing the + const buf_block_t* heir_block, /*!< in: block containing the record which inherits */ - const buf_block_t* block, /* in: block containing the + const buf_block_t* block, /*!< in: block containing the record from which inherited; does NOT reset the locks on this record */ - ulint heir_heap_no, /* in: heap_no of the + ulint heir_heap_no, /*!< in: heap_no of the inheriting record */ - ulint heap_no) /* in: heap_no of the + ulint heap_no) /*!< in: heap_no of the donating record */ { mutex_enter(&kernel_mutex); @@ -3067,11 +3020,11 @@ UNIV_INTERN void lock_update_discard( /*================*/ - const buf_block_t* heir_block, /* in: index page + const buf_block_t* heir_block, /*!< in: index page which will inherit the locks */ - ulint heir_heap_no, /* in: heap_no of the record + ulint heir_heap_no, /*!< in: heap_no of the record which will inherit the locks */ - const buf_block_t* block) /* in: index page + const buf_block_t* block) /*!< in: index page which will be discarded */ { const page_t* page = block->frame; @@ -3130,8 +3083,8 @@ UNIV_INTERN void lock_update_insert( /*===============*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec) /* in: the inserted record */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: the inserted record */ { ulint receiver_heap_no; ulint donator_heap_no; @@ -3163,8 +3116,8 @@ UNIV_INTERN void lock_update_delete( /*===============*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec) /* in: the record to be removed */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: the record to be removed */ { const page_t* page = block->frame; ulint heap_no; @@ -3208,8 +3161,8 @@ UNIV_INTERN void lock_rec_store_on_page_infimum( /*===========================*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec) /* in: record whose lock state + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: record whose lock state is stored on the infimum record of the same page; lock bits are reset on the @@ -3233,10 +3186,10 @@ UNIV_INTERN void lock_rec_restore_from_page_infimum( /*===============================*/ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec, /* in: record whose lock state + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record whose lock state is restored */ - const buf_block_t* donator)/* in: page (rec is not + const buf_block_t* donator)/*!< in: page (rec is not necessarily on this page) whose infimum stored the lock state; lock bits are reset on @@ -3254,17 +3207,14 @@ lock_rec_restore_from_page_infimum( /*=========== DEADLOCK CHECKING ======================================*/ /************************************************************************ -Checks if a lock request results in a deadlock. */ +Checks if a lock request results in a deadlock. +@return TRUE if a deadlock was detected and we chose trx as a victim; FALSE if no deadlock, or there was a deadlock, but we chose other transaction(s) as victim(s) */ static ibool lock_deadlock_occurs( /*=================*/ - /* out: TRUE if a deadlock was detected and we - chose trx as a victim; FALSE if no deadlock, or - there was a deadlock, but we chose other - transaction(s) as victim(s) */ - lock_t* lock, /* in: lock the transaction is requesting */ - trx_t* trx) /* in: transaction */ + lock_t* lock, /*!< in: lock the transaction is requesting */ + trx_t* trx) /*!< in: transaction */ { dict_table_t* table; dict_index_t* index; @@ -3317,26 +3267,19 @@ retry: } /************************************************************************ -Looks recursively for a deadlock. */ +Looks recursively for a deadlock. +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another deadlock! */ static ulint lock_deadlock_recursive( /*====================*/ - /* out: 0 if no deadlock found, - LOCK_VICTIM_IS_START if there was a deadlock - and we chose 'start' as the victim, - LOCK_VICTIM_IS_OTHER if a deadlock - was found and we chose some other trx as a - victim: we must do the search again in this - last case because there may be another - deadlock! */ - trx_t* start, /* in: recursion starting point */ - trx_t* trx, /* in: a transaction waiting for a lock */ - lock_t* wait_lock, /* in: the lock trx is waiting to be granted */ - ulint* cost, /* in/out: number of calculation steps thus + trx_t* start, /*!< in: recursion starting point */ + trx_t* trx, /*!< in: a transaction waiting for a lock */ + lock_t* wait_lock, /*!< in: the lock trx is waiting to be granted */ + ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_VICTIM_IS_START */ - ulint depth) /* in: recursion depth: if this exceeds + ulint depth) /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_VICTIM_IS_START */ { @@ -3514,16 +3457,16 @@ lock_deadlock_recursive( /************************************************************************* Creates a table lock object and adds it as the last in the lock queue -of the table. Does NOT check for deadlocks or lock compatibility. */ +of the table. Does NOT check for deadlocks or lock compatibility. +@return own: new lock object */ UNIV_INLINE lock_t* lock_table_create( /*==============*/ - /* out, own: new lock object */ - dict_table_t* table, /* in: database table in dictionary cache */ - ulint type_mode,/* in: lock mode possibly ORed with + dict_table_t* table, /*!< in: database table in dictionary cache */ + ulint type_mode,/*!< in: lock mode possibly ORed with LOCK_WAIT */ - trx_t* trx) /* in: trx */ + trx_t* trx) /*!< in: trx */ { lock_t* lock; @@ -3573,7 +3516,7 @@ UNIV_INLINE void lock_table_remove_low( /*==================*/ - lock_t* lock) /* in: table lock */ + lock_t* lock) /*!< in: table lock */ { trx_t* trx; dict_table_t* table; @@ -3619,21 +3562,16 @@ lock_table_remove_low( /************************************************************************* Enqueues a waiting request for a table lock which cannot be granted -immediately. Checks for deadlocks. */ +immediately. Checks for deadlocks. +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another transaction was chosen as a victim, and we got the lock immediately: no need to wait then */ static ulint lock_table_enqueue_waiting( /*=======================*/ - /* out: DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED, or DB_SUCCESS; - DB_SUCCESS means that there was a deadlock, - but another transaction was chosen as a - victim, and we got the lock immediately: - no need to wait then */ - ulint mode, /* in: lock mode this transaction is + ulint mode, /*!< in: lock mode this transaction is requesting */ - dict_table_t* table, /* in: table */ - que_thr_t* thr) /* in: query thread */ + dict_table_t* table, /*!< in: table */ + que_thr_t* thr) /*!< in: query thread */ { lock_t* lock; trx_t* trx; @@ -3706,12 +3644,12 @@ UNIV_INLINE ibool lock_table_other_has_incompatible( /*==============================*/ - trx_t* trx, /* in: transaction, or NULL if all + trx_t* trx, /*!< in: transaction, or NULL if all transactions should be included */ - ulint wait, /* in: LOCK_WAIT if also waiting locks are + ulint wait, /*!< in: LOCK_WAIT if also waiting locks are taken into account, or 0 if not */ - dict_table_t* table, /* in: table */ - enum lock_mode mode) /* in: lock mode */ + dict_table_t* table, /*!< in: table */ + enum lock_mode mode) /*!< in: lock mode */ { lock_t* lock; @@ -3736,18 +3674,17 @@ lock_table_other_has_incompatible( /************************************************************************* Locks the specified database table in the mode given. If the lock cannot -be granted immediately, the query thread is put to wait. */ +be granted immediately, the query thread is put to wait. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_table( /*=======*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is set, + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - dict_table_t* table, /* in: database table in dictionary cache */ - enum lock_mode mode, /* in: lock mode */ - que_thr_t* thr) /* in: query thread */ + dict_table_t* table, /*!< in: database table in dictionary cache */ + enum lock_mode mode, /*!< in: lock mode */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; ulint err; @@ -3799,13 +3736,13 @@ lock_table( } /************************************************************************* -Checks if there are any locks set on the table. */ +Checks if there are any locks set on the table. +@return TRUE if there are lock(s) */ UNIV_INTERN ibool lock_is_on_table( /*=============*/ - /* out: TRUE if there are lock(s) */ - dict_table_t* table) /* in: database table in dictionary cache */ + dict_table_t* table) /*!< in: database table in dictionary cache */ { ibool ret; @@ -3825,13 +3762,13 @@ lock_is_on_table( } /************************************************************************* -Checks if a waiting table lock request still has to wait in a queue. */ +Checks if a waiting table lock request still has to wait in a queue. +@return TRUE if still has to wait */ static ibool lock_table_has_to_wait_in_queue( /*============================*/ - /* out: TRUE if still has to wait */ - lock_t* wait_lock) /* in: waiting table lock */ + lock_t* wait_lock) /*!< in: waiting table lock */ { dict_table_t* table; lock_t* lock; @@ -3864,7 +3801,7 @@ static void lock_table_dequeue( /*===============*/ - lock_t* in_lock)/* in: table lock object; transactions waiting + lock_t* in_lock)/*!< in: table lock object; transactions waiting behind will get their lock requests granted, if they are now qualified to it */ { @@ -3903,11 +3840,11 @@ UNIV_INTERN void lock_rec_unlock( /*============*/ - trx_t* trx, /* in: transaction that has + trx_t* trx, /*!< in: transaction that has set a record lock */ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec, /* in: record */ - enum lock_mode lock_mode)/* in: LOCK_S or LOCK_X */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record */ + enum lock_mode lock_mode)/*!< in: LOCK_S or LOCK_X */ { lock_t* lock; lock_t* release_lock = NULL; @@ -3974,7 +3911,7 @@ UNIV_INTERN void lock_table_unlock( /*==============*/ - lock_t* lock) /* in: lock */ + lock_t* lock) /*!< in: lock */ { mutex_enter(&kernel_mutex); @@ -3990,7 +3927,7 @@ UNIV_INTERN void lock_release_off_kernel( /*====================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { dict_table_t* table; ulint count; @@ -4054,7 +3991,7 @@ UNIV_INTERN void lock_cancel_waiting_and_release( /*============================*/ - lock_t* lock) /* in: waiting lock request */ + lock_t* lock) /*!< in: waiting lock request */ { ut_ad(mutex_own(&kernel_mutex)); @@ -4096,9 +4033,9 @@ static void lock_remove_all_on_table_for_trx( /*=============================*/ - dict_table_t* table, /* in: table to be dropped */ - trx_t* trx, /* in: a transaction */ - ibool remove_also_table_sx_locks)/* in: also removes + dict_table_t* table, /*!< in: table to be dropped */ + trx_t* trx, /*!< in: a transaction */ + ibool remove_also_table_sx_locks)/*!< in: also removes table S and X locks */ { lock_t* lock; @@ -4139,9 +4076,9 @@ UNIV_INTERN void lock_remove_all_on_table( /*=====================*/ - dict_table_t* table, /* in: table to be dropped + dict_table_t* table, /*!< in: table to be dropped or truncated */ - ibool remove_also_table_sx_locks)/* in: also removes + ibool remove_also_table_sx_locks)/*!< in: also removes table S and X locks */ { lock_t* lock; @@ -4203,8 +4140,8 @@ UNIV_INTERN void lock_table_print( /*=============*/ - FILE* file, /* in: file where to print */ - const lock_t* lock) /* in: table type lock */ + FILE* file, /*!< in: file where to print */ + const lock_t* lock) /*!< in: table type lock */ { ut_ad(mutex_own(&kernel_mutex)); ut_a(lock_get_type_low(lock) == LOCK_TABLE); @@ -4243,8 +4180,8 @@ UNIV_INTERN void lock_rec_print( /*===========*/ - FILE* file, /* in: file where to print */ - const lock_t* lock) /* in: record type lock */ + FILE* file, /*!< in: file where to print */ + const lock_t* lock) /*!< in: record type lock */ { const buf_block_t* block; ulint space; @@ -4338,12 +4275,12 @@ http://bugs.mysql.com/36942 */ #ifdef PRINT_NUM_OF_LOCK_STRUCTS /************************************************************************* -Calculates the number of record lock structs in the record lock hash table. */ +Calculates the number of record lock structs in the record lock hash table. +@return number of record locks */ static ulint lock_get_n_rec_locks(void) /*======================*/ - /* out: number of record locks */ { lock_t* lock; ulint n_locks = 0; @@ -4372,7 +4309,7 @@ UNIV_INTERN void lock_print_info_summary( /*====================*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { /* We must protect the MySQL thd->query field with a MySQL mutex, and because the MySQL mutex must be reserved before the kernel_mutex of @@ -4419,7 +4356,7 @@ UNIV_INTERN void lock_print_info_all_transactions( /*=============================*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { lock_t* lock; ibool load_page_first = TRUE; @@ -4575,13 +4512,13 @@ loop: #ifdef UNIV_DEBUG /************************************************************************* -Validates the lock queue on a table. */ +Validates the lock queue on a table. +@return TRUE if ok */ static ibool lock_table_queue_validate( /*======================*/ - /* out: TRUE if ok */ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { lock_t* lock; @@ -4611,16 +4548,16 @@ lock_table_queue_validate( } /************************************************************************* -Validates the lock queue on a single record. */ +Validates the lock queue on a single record. +@return TRUE if ok */ static ibool lock_rec_queue_validate( /*====================*/ - /* out: TRUE if ok */ - const buf_block_t* block, /* in: buffer block containing rec */ - const rec_t* rec, /* in: record to look at */ - dict_index_t* index, /* in: index, or NULL if not known */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record to look at */ + dict_index_t* index, /*!< in: index, or NULL if not known */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { trx_t* impl_trx; lock_t* lock; @@ -4735,14 +4672,14 @@ lock_rec_queue_validate( } /************************************************************************* -Validates the record lock queues on a page. */ +Validates the record lock queues on a page. +@return TRUE if ok */ static ibool lock_rec_validate_page( /*===================*/ - /* out: TRUE if ok */ - ulint space, /* in: space id */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ { dict_index_t* index; buf_block_t* block; @@ -4833,12 +4770,12 @@ function_exit: } /************************************************************************* -Validates the lock system. */ +Validates the lock system. +@return TRUE if ok */ static ibool lock_validate(void) /*===============*/ - /* out: TRUE if ok */ { lock_t* lock; trx_t* trx; @@ -4916,21 +4853,20 @@ Checks if locks of other transactions prevent an immediate insert of a record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request -for a gap x-lock to the lock queue. */ +for a gap x-lock to the lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_rec_insert_check_and_lock( /*===========================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG bit is + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const rec_t* rec, /* in: record after which to insert */ - buf_block_t* block, /* in/out: buffer block of rec */ - dict_index_t* index, /* in: index */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr, /* in/out: mini-transaction */ - ibool* inherit)/* out: set to TRUE if the new + const rec_t* rec, /*!< in: record after which to insert */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + dict_index_t* index, /*!< in: index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit)/*!< out: set to TRUE if the new inserted record maybe should inherit LOCK_GAP type locks from the successor record */ @@ -5042,10 +4978,10 @@ static void lock_rec_convert_impl_to_expl( /*==========================*/ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record on page */ - dict_index_t* index, /* in: index of record */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record on page */ + dict_index_t* index, /*!< in: index of record */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { trx_t* impl_trx; @@ -5083,22 +5019,20 @@ delete mark, or delete unmark) of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record x-lock to the -lock queue. */ +lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_modify_check_and_lock( /*=================================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: record which should be + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be modified */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /* in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; ulint heap_no; @@ -5137,24 +5071,23 @@ lock_clust_rec_modify_check_and_lock( /************************************************************************* Checks if locks of other transactions prevent an immediate modify (delete -mark or delete unmark) of a secondary index record. */ +mark or delete unmark) of a secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_sec_rec_modify_check_and_lock( /*===============================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - buf_block_t* block, /* in/out: buffer block of rec */ - const rec_t* rec, /* in: record which should be + buf_block_t* block, /*!< in/out: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be modified; NOTE: as this is a secondary index, we always have to modify the clustered index record first: see the comment below */ - dict_index_t* index, /* in: secondary index */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in/out: mini-transaction */ + dict_index_t* index, /*!< in: secondary index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in/out: mini-transaction */ { ulint err; ulint heap_no; @@ -5211,31 +5144,29 @@ lock_sec_rec_modify_check_and_lock( /************************************************************************* Like the counterpart for a clustered index below, but now we read a -secondary index record. */ +secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_sec_rec_read_check_and_lock( /*=============================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: secondary index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; ulint heap_no; @@ -5288,31 +5219,29 @@ over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. */ +lock on the record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_read_check_and_lock( /*===============================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; ulint heap_no; @@ -5360,30 +5289,28 @@ puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode lock on the record. This is an alternative version of lock_clust_rec_read_check_and_lock() that does not require the parameter -"offsets". */ +"offsets". +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ UNIV_INTERN ulint lock_clust_rec_read_check_and_lock_alt( /*===================================*/ - /* out: DB_SUCCESS, - DB_LOCK_WAIT, DB_DEADLOCK, or - DB_QUE_THR_SUSPENDED */ - ulint flags, /* in: if BTR_NO_LOCKING_FLAG + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, does nothing */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: user record or page + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page supremum record which should be read or passed over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - enum lock_mode mode, /* in: mode of the lock which + dict_index_t* index, /*!< in: clustered index */ + enum lock_mode mode, /*!< in: mode of the lock which the read cursor should set on records: LOCK_S or LOCK_X; the latter is possible in SELECT FOR UPDATE */ - ulint gap_mode,/* in: LOCK_ORDINARY, LOCK_GAP, or + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { mem_heap_t* tmp_heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; @@ -5407,7 +5334,7 @@ UNIV_INLINE void lock_release_autoinc_last_lock( /*===========================*/ - ib_vector_t* autoinc_locks) /* in/out: vector of AUTOINC locks */ + ib_vector_t* autoinc_locks) /*!< in/out: vector of AUTOINC locks */ { ulint last; lock_t* lock; @@ -5435,7 +5362,7 @@ UNIV_INTERN void lock_release_autoinc_locks( /*=======================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { ut_ad(mutex_own(&kernel_mutex)); @@ -5457,38 +5384,38 @@ lock_release_autoinc_locks( /*********************************************************************** Gets the type of a lock. Non-inline version for using outside of the -lock module. */ +lock module. +@return LOCK_TABLE or LOCK_REC */ UNIV_INTERN ulint lock_get_type( /*==========*/ - /* out: LOCK_TABLE or LOCK_REC */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { return(lock_get_type_low(lock)); } /*********************************************************************** -Gets the id of the transaction owning a lock. */ +Gets the id of the transaction owning a lock. +@return transaction id */ UNIV_INTERN ullint lock_get_trx_id( /*============*/ - /* out: transaction id */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { return(trx_get_id(lock->trx)); } /*********************************************************************** Gets the mode of a lock in a human readable string. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return lock mode */ UNIV_INTERN const char* lock_get_mode_str( /*==============*/ - /* out: lock mode */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ibool is_gap_lock; @@ -5529,13 +5456,13 @@ lock_get_mode_str( /*********************************************************************** Gets the type of a lock in a human readable string. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return lock type */ UNIV_INTERN const char* lock_get_type_str( /*==============*/ - /* out: lock type */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { switch (lock_get_type_low(lock)) { case LOCK_REC: @@ -5548,13 +5475,13 @@ lock_get_type_str( } /*********************************************************************** -Gets the table on which the lock is. */ +Gets the table on which the lock is. +@return table */ UNIV_INLINE dict_table_t* lock_get_table( /*===========*/ - /* out: table */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { switch (lock_get_type_low(lock)) { case LOCK_REC: @@ -5568,13 +5495,13 @@ lock_get_table( } /*********************************************************************** -Gets the id of the table on which the lock is. */ +Gets the id of the table on which the lock is. +@return id of the table */ UNIV_INTERN ullint lock_get_table_id( /*==============*/ - /* out: id of the table */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { dict_table_t* table; @@ -5585,13 +5512,13 @@ lock_get_table_id( /*********************************************************************** Gets the name of the table on which the lock is. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return name of the table */ UNIV_INTERN const char* lock_get_table_name( /*================*/ - /* out: name of the table */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { dict_table_t* table; @@ -5601,13 +5528,13 @@ lock_get_table_name( } /*********************************************************************** -For a record lock, gets the index on which the lock is. */ +For a record lock, gets the index on which the lock is. +@return index */ UNIV_INTERN const dict_index_t* lock_rec_get_index( /*===============*/ - /* out: index */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_a(lock_get_type_low(lock) == LOCK_REC); @@ -5616,13 +5543,13 @@ lock_rec_get_index( /*********************************************************************** For a record lock, gets the name of the index on which the lock is. -The string should not be free()'d or modified. */ +The string should not be free()'d or modified. +@return name of the index */ UNIV_INTERN const char* lock_rec_get_index_name( /*====================*/ - /* out: name of the index */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_a(lock_get_type_low(lock) == LOCK_REC); @@ -5630,13 +5557,13 @@ lock_rec_get_index_name( } /*********************************************************************** -For a record lock, gets the tablespace number on which the lock is. */ +For a record lock, gets the tablespace number on which the lock is. +@return tablespace number */ UNIV_INTERN ulint lock_rec_get_space_id( /*==================*/ - /* out: tablespace number */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_a(lock_get_type_low(lock) == LOCK_REC); @@ -5644,13 +5571,13 @@ lock_rec_get_space_id( } /*********************************************************************** -For a record lock, gets the page number on which the lock is. */ +For a record lock, gets the page number on which the lock is. +@return page number */ UNIV_INTERN ulint lock_rec_get_page_no( /*=================*/ - /* out: page number */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ut_a(lock_get_type_low(lock) == LOCK_REC); diff --git a/log/log0log.c b/log/log0log.c index b8146bde61b..3d713c83865 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -151,7 +151,7 @@ UNIV_INTERN void log_fsp_current_free_limit_set_and_checkpoint( /*==========================================*/ - ulint limit) /* in: limit to set */ + ulint limit) /*!< in: limit to set */ { ibool success; @@ -172,12 +172,12 @@ log_fsp_current_free_limit_set_and_checkpoint( /******************************************************************** Returns the oldest modified block lsn in the pool, or log_sys->lsn if none -exists. */ +exists. +@return LSN of oldest modification */ static ib_uint64_t log_buf_pool_get_oldest_modification(void) /*======================================*/ - /* out: LSN of oldest modification */ { ib_uint64_t lsn; @@ -195,13 +195,13 @@ log_buf_pool_get_oldest_modification(void) /**************************************************************** Opens the log for log_write_low. The log must be closed with log_close and -released with log_release. */ +released with log_release. +@return start lsn of the log record */ UNIV_INTERN ib_uint64_t log_reserve_and_open( /*=================*/ - /* out: start lsn of the log record */ - ulint len) /* in: length of data to be catenated */ + ulint len) /*!< in: length of data to be catenated */ { log_t* log = log_sys; ulint len_upper_limit; @@ -274,8 +274,8 @@ UNIV_INTERN void log_write_low( /*==========*/ - byte* str, /* in: string */ - ulint str_len) /* in: string length */ + byte* str, /*!< in: string */ + ulint str_len) /*!< in: string length */ { log_t* log = log_sys; ulint len; @@ -337,12 +337,12 @@ part_loop: } /**************************************************************** -Closes the log. */ +Closes the log. +@return lsn */ UNIV_INTERN ib_uint64_t log_close(void) /*===========*/ - /* out: lsn */ { byte* log_block; ulint first_rec_group; @@ -463,13 +463,13 @@ log_pad_current_log_block(void) /********************************************************** Calculates the data capacity of a log group, when the log file headers are not -included. */ +included. +@return capacity in bytes */ UNIV_INTERN ulint log_group_get_capacity( /*===================*/ - /* out: capacity in bytes */ - const log_group_t* group) /* in: log group */ + const log_group_t* group) /*!< in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -478,15 +478,15 @@ log_group_get_capacity( /********************************************************** Calculates the offset within a log group, when the log file headers are not -included. */ +included. +@return size offset (<= offset) */ UNIV_INLINE ulint log_group_calc_size_offset( /*=======================*/ - /* out: size offset (<= offset) */ - ulint offset, /* in: real offset within the + ulint offset, /*!< in: real offset within the log group */ - const log_group_t* group) /* in: log group */ + const log_group_t* group) /*!< in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -495,15 +495,15 @@ log_group_calc_size_offset( /********************************************************** Calculates the offset within a log group, when the log file headers are -included. */ +included. +@return real offset (>= offset) */ UNIV_INLINE ulint log_group_calc_real_offset( /*=======================*/ - /* out: real offset (>= offset) */ - ulint offset, /* in: size offset within the + ulint offset, /*!< in: size offset within the log group */ - const log_group_t* group) /* in: log group */ + const log_group_t* group) /*!< in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -512,15 +512,15 @@ log_group_calc_real_offset( } /********************************************************** -Calculates the offset of an lsn within a log group. */ +Calculates the offset of an lsn within a log group. +@return offset within the log group */ static ulint log_group_calc_lsn_offset( /*======================*/ - /* out: offset within the log group */ - ib_uint64_t lsn, /* in: lsn, must be within 4 GB of + ib_uint64_t lsn, /*!< in: lsn, must be within 4 GB of group->lsn */ - const log_group_t* group) /* in: log group */ + const log_group_t* group) /*!< in: log group */ { ib_uint64_t gr_lsn; ib_int64_t gr_lsn_size_offset; @@ -569,21 +569,21 @@ UNIV_INTERN ibool log_debug_writes = FALSE; #endif /* UNIV_DEBUG */ /*********************************************************************** -Calculates where in log files we find a specified lsn. */ +Calculates where in log files we find a specified lsn. +@return log file number */ UNIV_INTERN ulint log_calc_where_lsn_is( /*==================*/ - /* out: log file number */ - ib_int64_t* log_file_offset, /* out: offset in that file + ib_int64_t* log_file_offset, /*!< out: offset in that file (including the header) */ - ib_uint64_t first_header_lsn, /* in: first log file start + ib_uint64_t first_header_lsn, /*!< in: first log file start lsn */ - ib_uint64_t lsn, /* in: lsn whose position to + ib_uint64_t lsn, /*!< in: lsn whose position to determine */ - ulint n_log_files, /* in: total number of log + ulint n_log_files, /*!< in: total number of log files */ - ib_int64_t log_file_size) /* in: log file size + ib_int64_t log_file_size) /*!< in: log file size (including the header) */ { ib_int64_t capacity = log_file_size - LOG_FILE_HDR_SIZE; @@ -617,8 +617,8 @@ UNIV_INTERN void log_group_set_fields( /*=================*/ - log_group_t* group, /* in/out: group */ - ib_uint64_t lsn) /* in: lsn for which the values should be + log_group_t* group, /*!< in/out: group */ + ib_uint64_t lsn) /*!< in: lsn for which the values should be set */ { group->lsn_offset = log_group_calc_lsn_offset(lsn, group); @@ -627,14 +627,12 @@ log_group_set_fields( /********************************************************************* Calculates the recommended highest values for lsn - last_checkpoint_lsn, -lsn - buf_get_oldest_modification(), and lsn - max_archive_lsn_age. */ +lsn - buf_get_oldest_modification(), and lsn - max_archive_lsn_age. +@return error value FALSE if the smallest log group is too small to accommodate the number of OS threads in the database server */ static ibool log_calc_max_ages(void) /*===================*/ - /* out: error value FALSE if the smallest log group is - too small to accommodate the number of OS threads in - the database server */ { log_group_t* group; ulint margin; @@ -865,14 +863,14 @@ UNIV_INTERN void log_group_init( /*===========*/ - ulint id, /* in: group id */ - ulint n_files, /* in: number of log files */ - ulint file_size, /* in: log file size in bytes */ - ulint space_id, /* in: space id of the file space + ulint id, /*!< in: group id */ + ulint n_files, /*!< in: number of log files */ + ulint file_size, /*!< in: log file size in bytes */ + ulint space_id, /*!< in: space id of the file space which contains the log files of this group */ ulint archive_space_id __attribute__((unused))) - /* in: space id of the file space + /*!< in: space id of the file space which contains some archived log files for this group; currently, only for the first log group this is @@ -938,7 +936,7 @@ UNIV_INLINE void log_flush_do_unlocks( /*=================*/ - ulint code) /* in: any ORed combination of LOG_UNLOCK_FLUSH_LOCK + ulint code) /*!< in: any ORed combination of LOG_UNLOCK_FLUSH_LOCK and LOG_UNLOCK_NONE_FLUSHED_LOCK */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -965,13 +963,13 @@ log_flush_do_unlocks( /********************************************************************** Checks if a flush is completed for a log group and does the completion -routine if yes. */ +routine if yes. +@return LOG_UNLOCK_NONE_FLUSHED_LOCK or 0 */ UNIV_INLINE ulint log_group_check_flush_completion( /*=============================*/ - /* out: LOG_UNLOCK_NONE_FLUSHED_LOCK or 0 */ - log_group_t* group) /* in: log group */ + log_group_t* group) /*!< in: log group */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -1000,12 +998,12 @@ log_group_check_flush_completion( } /********************************************************** -Checks if a flush is completed and does the completion routine if yes. */ +Checks if a flush is completed and does the completion routine if yes. +@return LOG_UNLOCK_FLUSH_LOCK or 0 */ static ulint log_sys_check_flush_completion(void) /*================================*/ - /* out: LOG_UNLOCK_FLUSH_LOCK or 0 */ { ulint move_start; ulint move_end; @@ -1046,7 +1044,7 @@ UNIV_INTERN void log_io_complete( /*============*/ - log_group_t* group) /* in: log group or a dummy pointer */ + log_group_t* group) /*!< in: log group or a dummy pointer */ { ulint unlock; @@ -1114,10 +1112,10 @@ static void log_group_file_header_flush( /*========================*/ - log_group_t* group, /* in: log group */ - ulint nth_file, /* in: header to the nth file in the + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the log file space */ - ib_uint64_t start_lsn) /* in: log file data starts at this + ib_uint64_t start_lsn) /*!< in: log file data starts at this lsn */ { byte* buf; @@ -1166,7 +1164,7 @@ static void log_block_store_checksum( /*=====================*/ - byte* block) /* in/out: pointer to a log block */ + byte* block) /*!< in/out: pointer to a log block */ { log_block_set_checksum(block, log_block_calc_checksum(block)); } @@ -1177,14 +1175,14 @@ UNIV_INTERN void log_group_write_buf( /*================*/ - log_group_t* group, /* in: log group */ - byte* buf, /* in: buffer */ - ulint len, /* in: buffer len; must be divisible + log_group_t* group, /*!< in: log group */ + byte* buf, /*!< in: buffer */ + ulint len, /*!< in: buffer len; must be divisible by OS_FILE_LOG_BLOCK_SIZE */ - ib_uint64_t start_lsn, /* in: start lsn of the buffer; must + ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must be divisible by OS_FILE_LOG_BLOCK_SIZE */ - ulint new_data_offset)/* in: start offset of new data in + ulint new_data_offset)/*!< in: start offset of new data in buf: this parameter is used to decide if we have to write a new log file header */ @@ -1297,13 +1295,13 @@ UNIV_INTERN void log_write_up_to( /*============*/ - ib_uint64_t lsn, /* in: log sequence number up to which + ib_uint64_t lsn, /*!< in: log sequence number up to which the log should be written, IB_ULONGLONG_MAX if not specified */ - ulint wait, /* in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, + ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, or LOG_WAIT_ALL_GROUPS */ ibool flush_to_disk) - /* in: TRUE if we want the written log + /*!< in: TRUE if we want the written log also to be flushed to disk */ { log_group_t* group; @@ -1565,20 +1563,16 @@ log_flush_margin(void) /******************************************************************** Advances the smallest lsn for which there are unflushed dirty blocks in the buffer pool. NOTE: this function may only be called if the calling thread owns -no synchronization objects! */ +no synchronization objects! +@return FALSE if there was a flush batch of the same type running, which means that we could not start this flush batch */ UNIV_INTERN ibool log_preflush_pool_modified_pages( /*=============================*/ - /* out: FALSE if there was a - flush batch of the same type - running, which means that we - could not start this flush - batch */ - ib_uint64_t new_oldest, /* in: try to advance + ib_uint64_t new_oldest, /*!< in: try to advance oldest_modified_lsn at least to this lsn */ - ibool sync) /* in: TRUE if synchronous + ibool sync) /*!< in: TRUE if synchronous operation is desired */ { ulint n_pages; @@ -1653,10 +1647,10 @@ static void log_checkpoint_set_nth_group_info( /*==============================*/ - byte* buf, /* in: buffer for checkpoint info */ - ulint n, /* in: nth slot */ - ulint file_no,/* in: archived file number */ - ulint offset) /* in: archived file offset */ + byte* buf, /*!< in: buffer for checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint file_no,/*!< in: archived file number */ + ulint offset) /*!< in: archived file offset */ { ut_ad(n < LOG_MAX_N_GROUPS); @@ -1672,10 +1666,10 @@ UNIV_INTERN void log_checkpoint_get_nth_group_info( /*==============================*/ - const byte* buf, /* in: buffer containing checkpoint info */ - ulint n, /* in: nth slot */ - ulint* file_no,/* out: archived file number */ - ulint* offset) /* out: archived file offset */ + const byte* buf, /*!< in: buffer containing checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint* file_no,/*!< out: archived file number */ + ulint* offset) /*!< out: archived file offset */ { ut_ad(n < LOG_MAX_N_GROUPS); @@ -1691,7 +1685,7 @@ static void log_group_checkpoint( /*=================*/ - log_group_t* group) /* in: log group */ + log_group_t* group) /*!< in: log group */ { log_group_t* group2; #ifdef UNIV_LOG_ARCHIVE @@ -1814,9 +1808,9 @@ UNIV_INTERN void log_reset_first_header_and_checkpoint( /*==================================*/ - byte* hdr_buf,/* in: buffer which will be written to the + byte* hdr_buf,/*!< in: buffer which will be written to the start of the first log file */ - ib_uint64_t start) /* in: lsn of the start of the first log file; + ib_uint64_t start) /*!< in: lsn of the start of the first log file; we pretend that there is a checkpoint at start + LOG_BLOCK_HDR_SIZE */ { @@ -1867,8 +1861,8 @@ UNIV_INTERN void log_group_read_checkpoint_info( /*===========================*/ - log_group_t* group, /* in: log group */ - ulint field) /* in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ + log_group_t* group, /*!< in: log group */ + ulint field) /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ { ut_ad(mutex_own(&(log_sys->mutex))); @@ -1903,16 +1897,15 @@ log_groups_write_checkpoint_info(void) Makes a checkpoint. Note that this function does not flush dirty blocks from the buffer pool: it only checks what is lsn of the oldest modification in the pool, and writes information about the lsn in -log files. Use log_make_checkpoint_at to flush also the pool. */ +log files. Use log_make_checkpoint_at to flush also the pool. +@return TRUE if success, FALSE if a checkpoint write was already running */ UNIV_INTERN ibool log_checkpoint( /*===========*/ - /* out: TRUE if success, FALSE if a checkpoint - write was already running */ - ibool sync, /* in: TRUE if synchronous operation is + ibool sync, /*!< in: TRUE if synchronous operation is desired */ - ibool write_always) /* in: the function normally checks if the + ibool write_always) /*!< in: the function normally checks if the the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; by setting this @@ -2000,10 +1993,10 @@ UNIV_INTERN void log_make_checkpoint_at( /*===================*/ - ib_uint64_t lsn, /* in: make a checkpoint at this or a + ib_uint64_t lsn, /*!< in: make a checkpoint at this or a later lsn, if IB_ULONGLONG_MAX, makes a checkpoint at the latest lsn */ - ibool write_always) /* in: the function normally checks if + ibool write_always) /*!< in: the function normally checks if the the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; @@ -2126,11 +2119,11 @@ UNIV_INTERN void log_group_read_log_seg( /*===================*/ - ulint type, /* in: LOG_ARCHIVE or LOG_RECOVER */ - byte* buf, /* in: buffer where to read */ - log_group_t* group, /* in: log group */ - ib_uint64_t start_lsn, /* in: read area start */ - ib_uint64_t end_lsn) /* in: read area end */ + ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ + byte* buf, /*!< in: buffer where to read */ + log_group_t* group, /*!< in: log group */ + ib_uint64_t start_lsn, /*!< in: read area start */ + ib_uint64_t end_lsn) /*!< in: read area end */ { ulint len; ulint source_offset; @@ -2180,11 +2173,11 @@ UNIV_INTERN void log_archived_file_name_gen( /*=======================*/ - char* buf, /* in: buffer where to write */ + char* buf, /*!< in: buffer where to write */ ulint id __attribute__((unused)), - /* in: group id; + /*!< in: group id; currently we only archive the first group */ - ulint file_no)/* in: file number */ + ulint file_no)/*!< in: file number */ { sprintf(buf, "%sib_arch_log_%010lu", srv_arch_dir, (ulong) file_no); } @@ -2195,11 +2188,11 @@ static void log_group_archive_file_header_write( /*================================*/ - log_group_t* group, /* in: log group */ - ulint nth_file, /* in: header to the nth file in the + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the archive log file space */ - ulint file_no, /* in: archived file number */ - ib_uint64_t start_lsn) /* in: log file data starts at this + ulint file_no, /*!< in: archived file number */ + ib_uint64_t start_lsn) /*!< in: log file data starts at this lsn */ { byte* buf; @@ -2234,10 +2227,10 @@ static void log_group_archive_completed_header_write( /*=====================================*/ - log_group_t* group, /* in: log group */ - ulint nth_file, /* in: header to the nth file in the + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the archive log file space */ - ib_uint64_t end_lsn) /* in: end lsn of the file */ + ib_uint64_t end_lsn) /*!< in: end lsn of the file */ { byte* buf; ulint dest_offset; @@ -2268,7 +2261,7 @@ static void log_group_archive( /*==============*/ - log_group_t* group) /* in: log group */ + log_group_t* group) /*!< in: log group */ { os_file_t file_handle; ib_uint64_t start_lsn; @@ -2559,15 +2552,14 @@ log_io_complete_archive(void) } /************************************************************************ -Starts an archiving operation. */ +Starts an archiving operation. +@return TRUE if succeed, FALSE if an archiving operation was already running */ UNIV_INTERN ibool log_archive_do( /*===========*/ - /* out: TRUE if succeed, FALSE if an archiving - operation was already running */ - ibool sync, /* in: TRUE if synchronous operation is desired */ - ulint* n_bytes)/* out: archive log buffer size, 0 if nothing to + ibool sync, /*!< in: TRUE if synchronous operation is desired */ + ulint* n_bytes)/*!< out: archive log buffer size, 0 if nothing to archive */ { ibool calc_new_limit; @@ -2721,7 +2713,7 @@ static void log_archive_close_groups( /*=====================*/ - ibool increment_file_count) /* in: TRUE if we want to increment + ibool increment_file_count) /*!< in: TRUE if we want to increment the file count */ { log_group_t* group; @@ -2770,12 +2762,12 @@ log_archive_close_groups( Writes the log contents to the archive up to the lsn when this function was called, and stops the archiving. When archiving is started again, the archived log file numbers start from 2 higher, so that the archiving will not write -again to the archived log files which exist when this function returns. */ +again to the archived log files which exist when this function returns. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_stop(void) /*==================*/ - /* out: DB_SUCCESS or DB_ERROR */ { ibool success; @@ -2834,12 +2826,12 @@ log_archive_stop(void) } /******************************************************************** -Starts again archiving which has been stopped. */ +Starts again archiving which has been stopped. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_start(void) /*===================*/ - /* out: DB_SUCCESS or DB_ERROR */ { mutex_enter(&(log_sys->mutex)); @@ -2860,12 +2852,12 @@ log_archive_start(void) } /******************************************************************** -Stop archiving the log so that a gap may occur in the archived log files. */ +Stop archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_noarchivelog(void) /*==========================*/ - /* out: DB_SUCCESS or DB_ERROR */ { loop: mutex_enter(&(log_sys->mutex)); @@ -2892,12 +2884,12 @@ loop: } /******************************************************************** -Start archiving the log so that a gap may occur in the archived log files. */ +Start archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_archivelog(void) /*========================*/ - /* out: DB_SUCCESS or DB_ERROR */ { mutex_enter(&(log_sys->mutex)); @@ -3199,11 +3191,11 @@ UNIV_INTERN ibool log_check_log_recs( /*===============*/ - byte* buf, /* in: pointer to the start of + byte* buf, /*!< in: pointer to the start of the log segment in the log_sys->buf log buffer */ - ulint len, /* in: segment length in bytes */ - ib_uint64_t buf_start_lsn) /* in: buffer start lsn */ + ulint len, /*!< in: segment length in bytes */ + ib_uint64_t buf_start_lsn) /*!< in: buffer start lsn */ { ib_uint64_t contiguous_lsn; ib_uint64_t scanned_lsn; @@ -3243,14 +3235,13 @@ log_check_log_recs( } /********************************************************** -Peeks the current lsn. */ +Peeks the current lsn. +@return TRUE if success, FALSE if could not get the log system mutex */ UNIV_INTERN ibool log_peek_lsn( /*=========*/ - /* out: TRUE if success, FALSE if - could not get the log system mutex */ - ib_uint64_t* lsn) /* out: if returns TRUE, current lsn is here */ + ib_uint64_t* lsn) /*!< out: if returns TRUE, current lsn is here */ { if (0 == mutex_enter_nowait(&(log_sys->mutex))) { *lsn = log_sys->lsn; @@ -3269,7 +3260,7 @@ UNIV_INTERN void log_print( /*======*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { double time_elapsed; time_t current_time; diff --git a/log/log0recv.c b/log/log0recv.c index db60ffb9961..826f5245715 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -166,7 +166,7 @@ UNIV_INTERN void recv_sys_init( /*==========*/ - ulint available_memory) /* in: available memory in bytes */ + ulint available_memory) /*!< in: available memory in bytes */ { if (recv_sys->heap != NULL) { @@ -275,14 +275,14 @@ static void recv_truncate_group( /*================*/ - log_group_t* group, /* in: log group */ - ib_uint64_t recovered_lsn, /* in: recovery succeeded up to this + log_group_t* group, /*!< in: log group */ + ib_uint64_t recovered_lsn, /*!< in: recovery succeeded up to this lsn */ - ib_uint64_t limit_lsn, /* in: this was the limit for + ib_uint64_t limit_lsn, /*!< in: this was the limit for recovery */ - ib_uint64_t checkpoint_lsn, /* in: recovery was started from this + ib_uint64_t checkpoint_lsn, /*!< in: recovery was started from this checkpoint */ - ib_uint64_t archived_lsn) /* in: the log has been archived up to + ib_uint64_t archived_lsn) /*!< in: the log has been archived up to this lsn */ { ib_uint64_t start_lsn; @@ -376,11 +376,11 @@ static void recv_copy_group( /*============*/ - log_group_t* up_to_date_group, /* in: the most up-to-date log + log_group_t* up_to_date_group, /*!< in: the most up-to-date log group */ - log_group_t* group, /* in: copy to this log + log_group_t* group, /*!< in: copy to this log group */ - ib_uint64_t recovered_lsn) /* in: recovery succeeded up + ib_uint64_t recovered_lsn) /*!< in: recovery succeeded up to this lsn */ { ib_uint64_t start_lsn; @@ -429,7 +429,7 @@ static void recv_synchronize_groups( /*====================*/ - log_group_t* up_to_date_group) /* in: the most up-to-date + log_group_t* up_to_date_group) /*!< in: the most up-to-date log group */ { log_group_t* group; @@ -490,13 +490,13 @@ recv_synchronize_groups( #endif /* !UNIV_HOTBACKUP */ /*************************************************************************** -Checks the consistency of the checkpoint info */ +Checks the consistency of the checkpoint info +@return TRUE if ok */ static ibool recv_check_cp_is_consistent( /*========================*/ - /* out: TRUE if ok */ - const byte* buf) /* in: buffer containing checkpoint info */ + const byte* buf) /*!< in: buffer containing checkpoint info */ { ulint fold; @@ -520,14 +520,14 @@ recv_check_cp_is_consistent( #ifndef UNIV_HOTBACKUP /************************************************************ -Looks for the maximum consistent checkpoint from the log groups. */ +Looks for the maximum consistent checkpoint from the log groups. +@return error code or DB_SUCCESS */ static ulint recv_find_max_checkpoint( /*=====================*/ - /* out: error code or DB_SUCCESS */ - log_group_t** max_group, /* out: max group */ - ulint* max_field) /* out: LOG_CHECKPOINT_1 or + log_group_t** max_group, /*!< out: max group */ + ulint* max_field) /*!< out: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ { log_group_t* group; @@ -620,22 +620,22 @@ not_consistent: } #else /* !UNIV_HOTBACKUP */ /*********************************************************************** -Reads the checkpoint info needed in hot backup. */ +Reads the checkpoint info needed in hot backup. +@return TRUE if success */ UNIV_INTERN ibool recv_read_cp_info_for_backup( /*=========================*/ - /* out: TRUE if success */ - const byte* hdr, /* in: buffer containing the log group + const byte* hdr, /*!< in: buffer containing the log group header */ - ib_uint64_t* lsn, /* out: checkpoint lsn */ - ulint* offset, /* out: checkpoint offset in the log group */ - ulint* fsp_limit,/* out: fsp limit of space 0, + ib_uint64_t* lsn, /*!< out: checkpoint lsn */ + ulint* offset, /*!< out: checkpoint offset in the log group */ + ulint* fsp_limit,/*!< out: fsp limit of space 0, 1000000000 if the database is running with < version 3.23.50 of InnoDB */ - ib_uint64_t* cp_no, /* out: checkpoint number */ + ib_uint64_t* cp_no, /*!< out: checkpoint number */ ib_uint64_t* first_header_lsn) - /* out: lsn of of the start of the + /*!< out: lsn of of the start of the first log file */ { ulint max_cp = 0; @@ -694,15 +694,13 @@ recv_read_cp_info_for_backup( /********************************************************** Checks the 4-byte checksum to the trailer checksum field of a log block. We also accept a log block in the old format < InnoDB-3.23.52 where the -checksum field contains the log block number. */ +checksum field contains the log block number. +@return TRUE if ok, or if the log block may be in the format of InnoDB version < 3.23.52 */ static ibool log_block_checksum_is_ok_or_old_format( /*===================================*/ - /* out: TRUE if ok, or if the log - block may be in the format of InnoDB - version < 3.23.52 */ - const byte* block) /* in: pointer to a log block */ + const byte* block) /*!< in: pointer to a log block */ { #ifdef UNIV_LOG_DEBUG return(TRUE); @@ -736,15 +734,15 @@ UNIV_INTERN void recv_scan_log_seg_for_backup( /*=========================*/ - byte* buf, /* in: buffer containing log data */ - ulint buf_len, /* in: data length in that buffer */ - ib_uint64_t* scanned_lsn, /* in/out: lsn of buffer start, + byte* buf, /*!< in: buffer containing log data */ + ulint buf_len, /*!< in: data length in that buffer */ + ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, we return scanned lsn */ ulint* scanned_checkpoint_no, - /* in/out: 4 lowest bytes of the + /*!< in/out: 4 lowest bytes of the highest scanned checkpoint number so far */ - ulint* n_bytes_scanned)/* out: how much we were able to + ulint* n_bytes_scanned)/*!< out: how much we were able to scan, smaller than buf_len if log data ended here */ { @@ -822,21 +820,20 @@ recv_scan_log_seg_for_backup( /*********************************************************************** Tries to parse a single log record body and also applies it to a page if -specified. File ops are parsed, but not applied in this function. */ +specified. File ops are parsed, but not applied in this function. +@return log record end, NULL if not a complete record */ static byte* recv_parse_or_apply_log_rec_body( /*=============================*/ - /* out: log record end, NULL if not a - complete record */ - byte type, /* in: type */ - byte* ptr, /* in: pointer to a buffer */ - byte* end_ptr,/* in: pointer to the buffer end */ - buf_block_t* block, /* in/out: buffer block or NULL; if + byte type, /*!< in: type */ + byte* ptr, /*!< in: pointer to a buffer */ + byte* end_ptr,/*!< in: pointer to the buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL; if not NULL, then the log record is applied to the page, and the log record should be complete then */ - mtr_t* mtr) /* in: mtr or NULL; should be non-NULL + mtr_t* mtr) /*!< in: mtr or NULL; should be non-NULL if and only if block is non-NULL */ { dict_index_t* index = NULL; @@ -1147,42 +1144,41 @@ recv_parse_or_apply_log_rec_body( /************************************************************************* Calculates the fold value of a page file address: used in inserting or -searching for a log record in the hash table. */ +searching for a log record in the hash table. +@return folded value */ UNIV_INLINE ulint recv_fold( /*======*/ - /* out: folded value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { return(ut_fold_ulint_pair(space, page_no)); } /************************************************************************* Calculates the hash value of a page file address: used in inserting or -searching for a log record in the hash table. */ +searching for a log record in the hash table. +@return folded value */ UNIV_INLINE ulint recv_hash( /*======*/ - /* out: folded value */ - ulint space, /* in: space */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ { return(hash_calc_hash(recv_fold(space, page_no), recv_sys->addr_hash)); } /************************************************************************* -Gets the hashed file address struct for a page. */ +Gets the hashed file address struct for a page. +@return file address struct, NULL if not found from the hash table */ static recv_addr_t* recv_get_fil_addr_struct( /*=====================*/ - /* out: file address struct, NULL if not found from - the hash table */ - ulint space, /* in: space id */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ { recv_addr_t* recv_addr; @@ -1207,13 +1203,13 @@ static void recv_add_to_hash_table( /*===================*/ - byte type, /* in: log record type */ - ulint space, /* in: space id */ - ulint page_no, /* in: page number */ - byte* body, /* in: log record body */ - byte* rec_end, /* in: log record end */ - ib_uint64_t start_lsn, /* in: start lsn of the mtr */ - ib_uint64_t end_lsn) /* in: end lsn of the mtr */ + byte type, /*!< in: log record type */ + ulint space, /*!< in: space id */ + ulint page_no, /*!< in: page number */ + byte* body, /*!< in: log record body */ + byte* rec_end, /*!< in: log record end */ + ib_uint64_t start_lsn, /*!< in: start lsn of the mtr */ + ib_uint64_t end_lsn) /*!< in: end lsn of the mtr */ { recv_t* recv; ulint len; @@ -1292,8 +1288,8 @@ static void recv_data_copy_to_buf( /*==================*/ - byte* buf, /* in: buffer of length at least recv->len */ - recv_t* recv) /* in: log record */ + byte* buf, /*!< in: buffer of length at least recv->len */ + recv_t* recv) /*!< in: log record */ { recv_data_t* recv_data; ulint part_len; @@ -1328,10 +1324,10 @@ recv_recover_page_func( /*===================*/ #ifndef UNIV_HOTBACKUP ibool just_read_in, - /* in: TRUE if the i/o-handler calls this for + /*!< in: TRUE if the i/o-handler calls this for a freshly read page */ #endif /* !UNIV_HOTBACKUP */ - buf_block_t* block) /* in: buffer block */ + buf_block_t* block) /*!< in: buffer block */ { page_t* page; recv_addr_t* recv_addr; @@ -1527,15 +1523,15 @@ recv_recover_page_func( #ifndef UNIV_HOTBACKUP /*********************************************************************** Reads in pages which have hashed log records, from an area around a given -page number. */ +page number. +@return number of pages found */ static ulint recv_read_in_area( /*==============*/ - /* out: number of pages found */ - ulint space, /* in: space */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - ulint page_no)/* in: page number */ + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no)/*!< in: page number */ { recv_addr_t* recv_addr; ulint page_nos[RECV_READ_AHEAD_AREA]; @@ -1580,7 +1576,7 @@ UNIV_INTERN void recv_apply_hashed_log_recs( /*=======================*/ - ibool allow_ibuf) /* in: if TRUE, also ibuf operations are + ibool allow_ibuf) /*!< in: if TRUE, also ibuf operations are allowed during the application; if FALSE, no ibuf operations are allowed, and after the application all file pages are flushed to @@ -1871,19 +1867,18 @@ skip_this_recv_addr: #endif /* !UNIV_HOTBACKUP */ /*********************************************************************** -Tries to parse a single log record and returns its length. */ +Tries to parse a single log record and returns its length. +@return length of the record, or 0 if the record was not complete */ static ulint recv_parse_log_rec( /*===============*/ - /* out: length of the record, or 0 if the record was - not complete */ - byte* ptr, /* in: pointer to a buffer */ - byte* end_ptr,/* in: pointer to the buffer end */ - byte* type, /* out: type */ - ulint* space, /* out: space id */ - ulint* page_no,/* out: page number */ - byte** body) /* out: log record body start */ + byte* ptr, /*!< in: pointer to a buffer */ + byte* end_ptr,/*!< in: pointer to the buffer end */ + byte* type, /*!< out: type */ + ulint* space, /*!< out: space id */ + ulint* page_no,/*!< out: page number */ + byte** body) /*!< out: log record body start */ { byte* new_ptr; @@ -1947,8 +1942,8 @@ static ib_uint64_t recv_calc_lsn_on_data_add( /*======================*/ - ib_uint64_t lsn, /* in: old lsn */ - ib_uint64_t len) /* in: this many bytes of data is + ib_uint64_t lsn, /*!< in: old lsn */ + ib_uint64_t len) /*!< in: this many bytes of data is added, log block headers not included */ { ulint frag_len; @@ -1975,8 +1970,8 @@ static void recv_check_incomplete_log_recs( /*===========================*/ - byte* ptr, /* in: pointer to a complete log record */ - ulint len) /* in: length of the log record */ + byte* ptr, /*!< in: pointer to a complete log record */ + ulint len) /*!< in: length of the log record */ { ulint i; byte type; @@ -1997,10 +1992,10 @@ static void recv_report_corrupt_log( /*====================*/ - byte* ptr, /* in: pointer to corrupt log record */ - byte type, /* in: type of the record */ - ulint space, /* in: space id, this may also be garbage */ - ulint page_no)/* in: page number, this may also be garbage */ + byte* ptr, /*!< in: pointer to corrupt log record */ + byte type, /*!< in: type of the record */ + ulint space, /*!< in: space id, this may also be garbage */ + ulint page_no)/*!< in: page number, this may also be garbage */ { fprintf(stderr, "InnoDB: ############### CORRUPT LOG RECORD FOUND\n" @@ -2048,13 +2043,13 @@ recv_report_corrupt_log( /*********************************************************** Parses log records from a buffer and stores them to a hash table to wait -merging to file pages. */ +merging to file pages. +@return currently always returns FALSE */ static ibool recv_parse_log_recs( /*================*/ - /* out: currently always returns FALSE */ - ibool store_to_hash) /* in: TRUE if the records should be stored + ibool store_to_hash) /*!< in: TRUE if the records should be stored to the hash table; this is set to FALSE if just debug checking is needed */ { @@ -2290,14 +2285,14 @@ loop: /*********************************************************** Adds data from a new log block to the parsing buffer of recv_sys if -recv_sys->parse_start_lsn is non-zero. */ +recv_sys->parse_start_lsn is non-zero. +@return TRUE if more data added */ static ibool recv_sys_add_to_parsing_buf( /*========================*/ - /* out: TRUE if more data added */ - const byte* log_block, /* in: log block */ - ib_uint64_t scanned_lsn) /* in: lsn of how far we were able + const byte* log_block, /*!< in: log block */ + ib_uint64_t scanned_lsn) /*!< in: lsn of how far we were able to find data in this log block */ { ulint more_len; @@ -2382,28 +2377,26 @@ recv_sys_justify_left_parsing_buf(void) Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. Unless UNIV_HOTBACKUP is defined, this function will apply log records -automatically when the hash table becomes full. */ +automatically when the hash table becomes full. +@return TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ UNIV_INTERN ibool recv_scan_log_recs( /*===============*/ - /* out: TRUE if limit_lsn has been - reached, or not able to scan any more - in this log group */ - ulint available_memory,/* in: we let the hash table of recs + ulint available_memory,/*!< in: we let the hash table of recs to grow to this size, at the maximum */ - ibool store_to_hash, /* in: TRUE if the records should be + ibool store_to_hash, /*!< in: TRUE if the records should be stored to the hash table; this is set to FALSE if just debug checking is needed */ - const byte* buf, /* in: buffer containing a log + const byte* buf, /*!< in: buffer containing a log segment or garbage */ - ulint len, /* in: buffer length */ - ib_uint64_t start_lsn, /* in: buffer start lsn */ - ib_uint64_t* contiguous_lsn, /* in/out: it is known that all log + ulint len, /*!< in: buffer length */ + ib_uint64_t start_lsn, /*!< in: buffer start lsn */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log groups contain contiguous log data up to this lsn */ - ib_uint64_t* group_scanned_lsn)/* out: scanning succeeded up to + ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to this lsn */ { const byte* log_block; @@ -2612,11 +2605,11 @@ static void recv_group_scan_log_recs( /*=====================*/ - log_group_t* group, /* in: log group */ - ib_uint64_t* contiguous_lsn, /* in/out: it is known that all log + log_group_t* group, /*!< in: log group */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log groups contain contiguous log data up to this lsn */ - ib_uint64_t* group_scanned_lsn)/* out: scanning succeeded up to + ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to this lsn */ { ibool finished; @@ -2696,20 +2689,20 @@ recv_init_crash_recovery(void) Recovers from a checkpoint. When this function returns, the database is able to start processing of new user transactions, but the function recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. */ +the recovery and free the resources used in it. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint recv_recovery_from_checkpoint_start_func( /*=====================================*/ - /* out: error code or DB_SUCCESS */ #ifdef UNIV_LOG_ARCHIVE - ulint type, /* in: LOG_CHECKPOINT or LOG_ARCHIVE */ - ib_uint64_t limit_lsn, /* in: recover up to this lsn + ulint type, /*!< in: LOG_CHECKPOINT or LOG_ARCHIVE */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ #endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t min_flushed_lsn,/* in: min flushed lsn from + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from data files */ - ib_uint64_t max_flushed_lsn)/* in: max flushed lsn from + ib_uint64_t max_flushed_lsn)/*!< in: max flushed lsn from data files */ { log_group_t* group; @@ -3135,15 +3128,15 @@ UNIV_INTERN void recv_reset_logs( /*============*/ - ib_uint64_t lsn, /* in: reset to this lsn + ib_uint64_t lsn, /*!< in: reset to this lsn rounded up to be divisible by OS_FILE_LOG_BLOCK_SIZE, after which we add LOG_BLOCK_HDR_SIZE */ #ifdef UNIV_LOG_ARCHIVE - ulint arch_log_no, /* in: next archived log file number */ + ulint arch_log_no, /*!< in: next archived log file number */ #endif /* UNIV_LOG_ARCHIVE */ - ibool new_logs_created)/* in: TRUE if resetting logs + ibool new_logs_created)/*!< in: TRUE if resetting logs is done at the log creation; FALSE if it is done after archive recovery */ @@ -3207,10 +3200,10 @@ UNIV_INTERN void recv_reset_log_files_for_backup( /*============================*/ - const char* log_dir, /* in: log file directory path */ - ulint n_log_files, /* in: number of log files */ - ulint log_file_size, /* in: log file size */ - ib_uint64_t lsn) /* in: new start lsn, must be + const char* log_dir, /*!< in: log file directory path */ + ulint n_log_files, /*!< in: number of log files */ + ulint log_file_size, /*!< in: log file size */ + ib_uint64_t lsn) /*!< in: new start lsn, must be divisible by OS_FILE_LOG_BLOCK_SIZE */ { os_file_t log_file; @@ -3294,14 +3287,13 @@ recv_reset_log_files_for_backup( #ifdef UNIV_LOG_ARCHIVE /********************************************************** -Reads from the archive of a log group and performs recovery. */ +Reads from the archive of a log group and performs recovery. +@return TRUE if no more complete consistent archive files */ static ibool log_group_recover_from_archive_file( /*================================*/ - /* out: TRUE if no more complete - consistent archive files */ - log_group_t* group) /* in: log group */ + log_group_t* group) /*!< in: log group */ { os_file_t file_handle; ib_uint64_t start_lsn; @@ -3485,17 +3477,17 @@ ask_again: } /************************************************************ -Recovers from archived log files, and also from log files, if they exist. */ +Recovers from archived log files, and also from log files, if they exist. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint recv_recovery_from_archive_start( /*=============================*/ - /* out: error code or DB_SUCCESS */ - ib_uint64_t min_flushed_lsn,/* in: min flushed lsn field from the + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the data files */ - ib_uint64_t limit_lsn, /* in: recover up to this lsn if + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ - ulint first_log_no) /* in: number of the first archived + ulint first_log_no) /*!< in: number of the first archived log file to use in the recovery; the file will be searched from INNOBASE_LOG_ARCH_DIR specified in diff --git a/mach/mach0data.c b/mach/mach0data.c index 5deb475318d..022dcf76662 100644 --- a/mach/mach0data.c +++ b/mach/mach0data.c @@ -30,16 +30,15 @@ Created 11/28/1995 Heikki Tuuri #endif /************************************************************* -Reads a ulint in a compressed form if the log record fully contains it. */ +Reads a ulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN byte* mach_parse_compressed( /*==================*/ - /* out: pointer to end of the stored field, NULL if - not complete */ - byte* ptr, /* in: pointer to buffer from where to read */ - byte* end_ptr,/* in: pointer to end of the buffer */ - ulint* val) /* out: read value (< 2^32) */ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + ulint* val) /*!< out: read value (< 2^32) */ { ulint flag; @@ -94,16 +93,15 @@ mach_parse_compressed( } /************************************************************* -Reads a dulint in a compressed form if the log record fully contains it. */ +Reads a dulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN byte* mach_dulint_parse_compressed( /*=========================*/ - /* out: pointer to end of the stored field, NULL if - not complete */ - byte* ptr, /* in: pointer to buffer from where to read */ - byte* end_ptr,/* in: pointer to end of the buffer */ - dulint* val) /* out: read value */ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + dulint* val) /*!< out: read value */ { ulint high; ulint low; diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index ceaab6ae85e..e8834ad9b4c 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -139,7 +139,7 @@ UNIV_INTERN void mem_init( /*=====*/ - ulint size) /* in: common pool size in bytes */ + ulint size) /*!< in: common pool size in bytes */ { #ifdef UNIV_MEM_DEBUG @@ -178,8 +178,8 @@ UNIV_INTERN void mem_field_init( /*===========*/ - byte* buf, /* in: memory field */ - ulint n) /* in: how many bytes the user requested */ + byte* buf, /*!< in: memory field */ + ulint n) /*!< in: how many bytes the user requested */ { ulint rnd; byte* usr_buf; @@ -225,9 +225,9 @@ UNIV_INTERN void mem_field_erase( /*============*/ - byte* buf, /* in: memory field */ + byte* buf, /*!< in: memory field */ ulint n __attribute__((unused))) - /* in: how many bytes the user requested */ + /*!< in: how many bytes the user requested */ { byte* usr_buf; @@ -253,8 +253,8 @@ UNIV_INTERN void mem_init_buf( /*=========*/ - byte* buf, /* in: pointer to buffer */ - ulint n) /* in: length of buffer */ + byte* buf, /*!< in: pointer to buffer */ + ulint n) /*!< in: length of buffer */ { byte* ptr; @@ -274,13 +274,13 @@ mem_init_buf( /******************************************************************* Initializes a buffer to a random combination of hex DE and AD. -Used to erase freed memory.*/ +Used to erase freed memory. */ UNIV_INTERN void mem_erase_buf( /*==========*/ - byte* buf, /* in: pointer to buffer */ - ulint n) /* in: length of buffer */ + byte* buf, /*!< in: pointer to buffer */ + ulint n) /*!< in: length of buffer */ { byte* ptr; @@ -304,9 +304,9 @@ UNIV_INTERN void mem_hash_insert( /*============*/ - mem_heap_t* heap, /* in: the created heap */ - const char* file_name, /* in: file name of creation */ - ulint line) /* in: line where created */ + mem_heap_t* heap, /*!< in: the created heap */ + const char* file_name, /*!< in: file name of creation */ + ulint line) /*!< in: line where created */ { mem_hash_node_t* new_node; ulint cell_no ; @@ -347,9 +347,9 @@ UNIV_INTERN void mem_hash_remove( /*============*/ - mem_heap_t* heap, /* in: the heap to be freed */ - const char* file_name, /* in: file name of freeing */ - ulint line) /* in: line where freed */ + mem_heap_t* heap, /*!< in: the heap to be freed */ + const char* file_name, /*!< in: file name of freeing */ + ulint line) /*!< in: line where freed */ { mem_hash_node_t* node; ulint cell_no; @@ -426,24 +426,24 @@ UNIV_INTERN void mem_heap_validate_or_print( /*=======================*/ - mem_heap_t* heap, /* in: memory heap */ + mem_heap_t* heap, /*!< in: memory heap */ byte* top __attribute__((unused)), - /* in: calculate and validate only until + /*!< in: calculate and validate only until this top pointer in the heap is reached, if this pointer is NULL, ignored */ - ibool print, /* in: if TRUE, prints the contents + ibool print, /*!< in: if TRUE, prints the contents of the heap; works only in the debug version */ - ibool* error, /* out: TRUE if error */ - ulint* us_size,/* out: allocated memory + ibool* error, /*!< out: TRUE if error */ + ulint* us_size,/*!< out: allocated memory (for the user) in the heap, if a NULL pointer is passed as this argument, it is ignored; in the non-debug version this is always -1 */ - ulint* ph_size,/* out: physical size of the heap, + ulint* ph_size,/*!< out: physical size of the heap, if a NULL pointer is passed as this argument, it is ignored */ - ulint* n_blocks) /* out: number of blocks in the heap, + ulint* n_blocks) /*!< out: number of blocks in the heap, if a NULL pointer is passed as this argument, it is ignored */ { @@ -597,7 +597,7 @@ static void mem_heap_print( /*===========*/ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { ibool error; ulint us_size; @@ -617,13 +617,13 @@ mem_heap_print( } /****************************************************************** -Validates the contents of a memory heap. */ +Validates the contents of a memory heap. +@return TRUE if ok */ UNIV_INTERN ibool mem_heap_validate( /*==============*/ - /* out: TRUE if ok */ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { ibool error; ulint us_size; @@ -646,13 +646,13 @@ mem_heap_validate( #ifdef UNIV_DEBUG /****************************************************************** -Checks that an object is a memory heap (or a block of it). */ +Checks that an object is a memory heap (or a block of it). +@return TRUE if ok */ UNIV_INTERN ibool mem_heap_check( /*===========*/ - /* out: TRUE if ok */ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N); @@ -662,12 +662,12 @@ mem_heap_check( #ifdef UNIV_MEM_DEBUG /********************************************************************* -TRUE if no memory is currently allocated. */ +TRUE if no memory is currently allocated. +@return TRUE if no heaps exist */ UNIV_INTERN ibool mem_all_freed(void) /*===============*/ - /* out: TRUE if no heaps exist */ { mem_hash_node_t* node; ulint heap_count = 0; @@ -700,12 +700,12 @@ mem_all_freed(void) } /********************************************************************* -Validates the dynamic memory allocation system. */ +Validates the dynamic memory allocation system. +@return TRUE if error */ UNIV_INTERN ibool mem_validate_no_assert(void) /*========================*/ - /* out: TRUE if error */ { mem_hash_node_t* node; ulint n_heaps = 0; @@ -775,12 +775,12 @@ mem_validate_no_assert(void) } /**************************************************************** -Validates the dynamic memory */ +Validates the dynamic memory +@return TRUE if ok */ UNIV_INTERN ibool mem_validate(void) /*==============*/ - /* out: TRUE if ok */ { ut_a(!mem_validate_no_assert()); @@ -795,7 +795,7 @@ UNIV_INTERN void mem_analyze_corruption( /*===================*/ - void* ptr) /* in: pointer to place of possible corruption */ + void* ptr) /*!< in: pointer to place of possible corruption */ { byte* p; ulint i; @@ -904,7 +904,7 @@ static void mem_print_info_low( /*===============*/ - ibool print_all) /* in: if TRUE, all heaps are printed, + ibool print_all) /*!< in: if TRUE, all heaps are printed, else only the heaps allocated after the previous call of this function */ { diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 8f015f90dbf..840b3decbf8 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -98,44 +98,44 @@ UT_LIST_BASE_NODE_T(mem_block_t) mem_block_list; #endif /************************************************************************** -Duplicates a NUL-terminated string, allocated from a memory heap. */ +Duplicates a NUL-terminated string, allocated from a memory heap. +@return own: a copy of the string */ UNIV_INTERN char* mem_heap_strdup( /*============*/ - /* out, own: a copy of the string */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* str) /* in: string to be copied */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str) /*!< in: string to be copied */ { return(mem_heap_dup(heap, str, strlen(str) + 1)); } /************************************************************************** -Duplicate a block of data, allocated from a memory heap. */ +Duplicate a block of data, allocated from a memory heap. +@return own: a copy of the data */ UNIV_INTERN void* mem_heap_dup( /*=========*/ - /* out, own: a copy of the data */ - mem_heap_t* heap, /* in: memory heap where copy is allocated */ - const void* data, /* in: data to be copied */ - ulint len) /* in: length of data, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ + const void* data, /*!< in: data to be copied */ + ulint len) /*!< in: length of data, in bytes */ { return(memcpy(mem_heap_alloc(heap, len), data, len)); } /************************************************************************** -Concatenate two memory blocks and return the result, using a memory heap. */ +Concatenate two memory blocks and return the result, using a memory heap. +@return own: the result */ UNIV_INTERN void* mem_heap_cat( /*=========*/ - /* out, own: the result */ - mem_heap_t* heap, /* in: memory heap where result is allocated */ - const void* b1, /* in: block 1 */ - ulint len1, /* in: length of b1, in bytes */ - const void* b2, /* in: block 2 */ - ulint len2) /* in: length of b2, in bytes */ + mem_heap_t* heap, /*!< in: memory heap where result is allocated */ + const void* b1, /*!< in: block 1 */ + ulint len1, /*!< in: length of b1, in bytes */ + const void* b2, /*!< in: block 2 */ + ulint len2) /*!< in: length of b2, in bytes */ { void* res = mem_heap_alloc(heap, len1 + len2); @@ -146,15 +146,15 @@ mem_heap_cat( } /************************************************************************** -Concatenate two strings and return the result, using a memory heap. */ +Concatenate two strings and return the result, using a memory heap. +@return own: the result */ UNIV_INTERN char* mem_heap_strcat( /*============*/ - /* out, own: the result */ - mem_heap_t* heap, /* in: memory heap where string is allocated */ - const char* s1, /* in: string 1 */ - const char* s2) /* in: string 2 */ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* s1, /*!< in: string 1 */ + const char* s2) /*!< in: string 2 */ { char* s; ulint s1_len = strlen(s1); @@ -172,17 +172,16 @@ mem_heap_strcat( /******************************************************************** -Helper function for mem_heap_printf. */ +Helper function for mem_heap_printf. +@return length of formatted string, including terminating NUL */ static ulint mem_heap_printf_low( /*================*/ - /* out: length of formatted string, - including terminating NUL */ - char* buf, /* in/out: buffer to store formatted string + char* buf, /*!< in/out: buffer to store formatted string in, or NULL to just calculate length */ - const char* format, /* in: format string */ - va_list ap) /* in: arguments */ + const char* format, /*!< in: format string */ + va_list ap) /*!< in: arguments */ { ulint len = 0; @@ -285,14 +284,14 @@ mem_heap_printf_low( A simple (s)printf replacement that dynamically allocates the space for the formatted string from the given heap. This supports a very limited set of the printf syntax: types 's' and 'u' and length modifier 'l' (which is -required for the 'u' type). */ +required for the 'u' type). +@return heap-allocated formatted string */ UNIV_INTERN char* mem_heap_printf( /*============*/ - /* out: heap-allocated formatted string */ - mem_heap_t* heap, /* in: memory heap */ - const char* format, /* in: format string */ + mem_heap_t* heap, /*!< in: memory heap */ + const char* format, /*!< in: format string */ ...) { va_list ap; @@ -315,21 +314,19 @@ mem_heap_printf( } /******************************************************************* -Creates a memory heap block where data can be allocated. */ +Creates a memory heap block where data can be allocated. +@return own: memory heap block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_create_block( /*==================*/ - /* out, own: memory heap block, NULL if - did not succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps) */ - mem_heap_t* heap, /* in: memory heap or NULL if first block + mem_heap_t* heap, /*!< in: memory heap or NULL if first block should be created */ - ulint n, /* in: number of bytes needed for user data */ - ulint type, /* in: type of heap: MEM_HEAP_DYNAMIC or + ulint n, /*!< in: number of bytes needed for user data */ + ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or MEM_HEAP_BUFFER */ - const char* file_name,/* in: file name where created */ - ulint line) /* in: line where created */ + const char* file_name,/*!< in: file name where created */ + ulint line) /*!< in: line where created */ { #ifndef UNIV_HOTBACKUP buf_block_t* buf_block = NULL; @@ -425,16 +422,14 @@ mem_heap_create_block( } /******************************************************************* -Adds a new block to a memory heap. */ +Adds a new block to a memory heap. +@return created block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_add_block( /*===============*/ - /* out: created block, NULL if did not - succeed (only possible for - MEM_HEAP_BTR_SEARCH type heaps)*/ - mem_heap_t* heap, /* in: memory heap */ - ulint n) /* in: number of bytes user needs */ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes user needs */ { mem_block_t* block; mem_block_t* new_block; @@ -486,8 +481,8 @@ UNIV_INTERN void mem_heap_block_free( /*================*/ - mem_heap_t* heap, /* in: heap */ - mem_block_t* block) /* in: block to free */ + mem_heap_t* heap, /*!< in: heap */ + mem_block_t* block) /*!< in: block to free */ { ulint type; ulint len; @@ -547,7 +542,7 @@ UNIV_INTERN void mem_heap_free_block_free( /*=====================*/ - mem_heap_t* heap) /* in: heap */ + mem_heap_t* heap) /*!< in: heap */ { if (UNIV_LIKELY_NULL(heap->free_block)) { diff --git a/mem/mem0pool.c b/mem/mem0pool.c index 8ff87e9da64..41e6df66ce5 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -140,13 +140,13 @@ mem_pool_mutex_exit(void) } /************************************************************************ -Returns memory area size. */ +Returns memory area size. +@return size */ UNIV_INLINE ulint mem_area_get_size( /*==============*/ - /* out: size */ - mem_area_t* area) /* in: area */ + mem_area_t* area) /*!< in: area */ { return(area->size_and_free & ~MEM_AREA_FREE); } @@ -157,21 +157,21 @@ UNIV_INLINE void mem_area_set_size( /*==============*/ - mem_area_t* area, /* in: area */ - ulint size) /* in: size */ + mem_area_t* area, /*!< in: area */ + ulint size) /*!< in: size */ { area->size_and_free = (area->size_and_free & MEM_AREA_FREE) | size; } /************************************************************************ -Returns memory area free bit. */ +Returns memory area free bit. +@return TRUE if free */ UNIV_INLINE ibool mem_area_get_free( /*==============*/ - /* out: TRUE if free */ - mem_area_t* area) /* in: area */ + mem_area_t* area) /*!< in: area */ { #if TRUE != MEM_AREA_FREE # error "TRUE != MEM_AREA_FREE" @@ -185,8 +185,8 @@ UNIV_INLINE void mem_area_set_free( /*==============*/ - mem_area_t* area, /* in: area */ - ibool free) /* in: free bit value */ + mem_area_t* area, /*!< in: area */ + ibool free) /*!< in: free bit value */ { #if TRUE != MEM_AREA_FREE # error "TRUE != MEM_AREA_FREE" @@ -196,13 +196,13 @@ mem_area_set_free( } /************************************************************************ -Creates a memory pool. */ +Creates a memory pool. +@return memory pool */ UNIV_INTERN mem_pool_t* mem_pool_create( /*============*/ - /* out: memory pool */ - ulint size) /* in: pool size in bytes */ + ulint size) /*!< in: pool size in bytes */ { mem_pool_t* pool; mem_area_t* area; @@ -260,15 +260,14 @@ mem_pool_create( } /************************************************************************ -Fills the specified free list. */ +Fills the specified free list. +@return TRUE if we were able to insert a block to the free list */ static ibool mem_pool_fill_free_list( /*====================*/ - /* out: TRUE if we were able to insert a - block to the free list */ - ulint i, /* in: free list index */ - mem_pool_t* pool) /* in: memory pool */ + ulint i, /*!< in: free list index */ + mem_pool_t* pool) /*!< in: memory pool */ { mem_area_t* area; mem_area_t* area2; @@ -333,18 +332,18 @@ mem_pool_fill_free_list( /************************************************************************ Allocates memory from a pool. NOTE: This low-level function should only be -used in mem0mem.*! */ +used in mem0mem.*! +@return own: allocated memory buffer */ UNIV_INTERN void* mem_area_alloc( /*===========*/ - /* out, own: allocated memory buffer */ - ulint* psize, /* in: requested size in bytes; for optimum + ulint* psize, /*!< in: requested size in bytes; for optimum space usage, the size should be a power of 2 minus MEM_AREA_EXTRA_SIZE; out: allocated size in bytes (greater than or equal to the requested size) */ - mem_pool_t* pool) /* in: memory pool */ + mem_pool_t* pool) /*!< in: memory pool */ { mem_area_t* area; ulint size; @@ -436,15 +435,15 @@ mem_area_alloc( } /************************************************************************ -Gets the buddy of an area, if it exists in pool. */ +Gets the buddy of an area, if it exists in pool. +@return the buddy, NULL if no buddy in pool */ UNIV_INLINE mem_area_t* mem_area_get_buddy( /*===============*/ - /* out: the buddy, NULL if no buddy in pool */ - mem_area_t* area, /* in: memory area */ - ulint size, /* in: memory area size */ - mem_pool_t* pool) /* in: memory pool */ + mem_area_t* area, /*!< in: memory area */ + ulint size, /*!< in: memory area size */ + mem_pool_t* pool) /*!< in: memory pool */ { mem_area_t* buddy; @@ -481,9 +480,9 @@ UNIV_INTERN void mem_area_free( /*==========*/ - void* ptr, /* in, own: pointer to allocated memory + void* ptr, /*!< in, own: pointer to allocated memory buffer */ - mem_pool_t* pool) /* in: memory pool */ + mem_pool_t* pool) /*!< in: memory pool */ { mem_area_t* area; mem_area_t* buddy; @@ -605,13 +604,13 @@ mem_area_free( } /************************************************************************ -Validates a memory pool. */ +Validates a memory pool. +@return TRUE if ok */ UNIV_INTERN ibool mem_pool_validate( /*==============*/ - /* out: TRUE if ok */ - mem_pool_t* pool) /* in: memory pool */ + mem_pool_t* pool) /*!< in: memory pool */ { mem_area_t* area; mem_area_t* buddy; @@ -657,8 +656,8 @@ UNIV_INTERN void mem_pool_print_info( /*================*/ - FILE* outfile,/* in: output file to write to */ - mem_pool_t* pool) /* in: memory pool */ + FILE* outfile,/*!< in: output file to write to */ + mem_pool_t* pool) /*!< in: memory pool */ { ulint i; @@ -685,13 +684,13 @@ mem_pool_print_info( } /************************************************************************ -Returns the amount of reserved memory. */ +Returns the amount of reserved memory. +@return reserved memory in bytes */ UNIV_INTERN ulint mem_pool_get_reserved( /*==================*/ - /* out: reserved memory in bytes */ - mem_pool_t* pool) /* in: memory pool */ + mem_pool_t* pool) /*!< in: memory pool */ { ulint reserved; diff --git a/mtr/mtr0log.c b/mtr/mtr0log.c index f75b52c5274..b200dde5389 100644 --- a/mtr/mtr0log.c +++ b/mtr/mtr0log.c @@ -42,9 +42,9 @@ UNIV_INTERN void mlog_catenate_string( /*=================*/ - mtr_t* mtr, /* in: mtr */ - const byte* str, /* in: string to write */ - ulint len) /* in: string length */ + mtr_t* mtr, /*!< in: mtr */ + const byte* str, /*!< in: string to write */ + ulint len) /*!< in: string length */ { dyn_array_t* mlog; @@ -66,11 +66,11 @@ UNIV_INTERN void mlog_write_initial_log_record( /*==========================*/ - const byte* ptr, /* in: pointer to (inside) a buffer + const byte* ptr, /*!< in: pointer to (inside) a buffer frame holding the file page where modification is made */ - byte type, /* in: log item type: MLOG_1BYTE, ... */ - mtr_t* mtr) /* in: mini-transaction handle */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; @@ -92,18 +92,17 @@ mlog_write_initial_log_record( #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Parses an initial log record written by mlog_write_initial_log_record. */ +Parses an initial log record written by mlog_write_initial_log_record. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_initial_log_record( /*==========================*/ - /* out: parsed record end, NULL if not a complete - record */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* type, /* out: log record type: MLOG_1BYTE, ... */ - ulint* space, /* out: space id */ - ulint* page_no)/* out: page number */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ + ulint* space, /*!< out: space id */ + ulint* page_no)/*!< out: page number */ { if (end_ptr < ptr + 1) { @@ -133,18 +132,17 @@ mlog_parse_initial_log_record( } /************************************************************ -Parses a log record written by mlog_write_ulint or mlog_write_dulint. */ +Parses a log record written by mlog_write_ulint or mlog_write_dulint. +@return parsed record end, NULL if not a complete record or a corrupt record */ UNIV_INTERN byte* mlog_parse_nbytes( /*==============*/ - /* out: parsed record end, NULL if not a complete - record or a corrupt record */ - ulint type, /* in: log record type: MLOG_1BYTE, ... */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* page, /* in: page where to apply the log record, or NULL */ - void* page_zip)/* in/out: compressed page, or NULL */ + ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip)/*!< in/out: compressed page, or NULL */ { ulint offset; ulint val; @@ -248,10 +246,10 @@ UNIV_INTERN void mlog_write_ulint( /*=============*/ - byte* ptr, /* in: pointer where to write */ - ulint val, /* in: value to write */ - byte type, /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr) /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + ulint val, /*!< in: value to write */ + byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; @@ -294,9 +292,9 @@ UNIV_INTERN void mlog_write_dulint( /*==============*/ - byte* ptr, /* in: pointer where to write */ - dulint val, /* in: value to write */ - mtr_t* mtr) /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + dulint val, /*!< in: value to write */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; @@ -330,10 +328,10 @@ UNIV_INTERN void mlog_write_string( /*==============*/ - byte* ptr, /* in: pointer where to write */ - const byte* str, /* in: string to write */ - ulint len, /* in: string length */ - mtr_t* mtr) /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer where to write */ + const byte* str, /*!< in: string to write */ + ulint len, /*!< in: string length */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ut_ad(ptr && mtr); ut_a(len < UNIV_PAGE_SIZE); @@ -350,9 +348,9 @@ UNIV_INTERN void mlog_log_string( /*============*/ - byte* ptr, /* in: pointer written to */ - ulint len, /* in: string length */ - mtr_t* mtr) /* in: mini-transaction handle */ + byte* ptr, /*!< in: pointer written to */ + ulint len, /*!< in: string length */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; @@ -382,17 +380,16 @@ mlog_log_string( #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Parses a log record written by mlog_write_string. */ +Parses a log record written by mlog_write_string. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_string( /*==============*/ - /* out: parsed record end, NULL if not a complete - record */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - byte* page, /* in: page where to apply the log record, or NULL */ - void* page_zip)/* in/out: compressed page, or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip)/*!< in/out: compressed page, or NULL */ { ulint offset; ulint len; @@ -435,18 +432,17 @@ mlog_parse_string( #ifndef UNIV_HOTBACKUP /************************************************************ Opens a buffer for mlog, writes the initial log record and, -if needed, the field lengths of an index. */ +if needed, the field lengths of an index. +@return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INTERN byte* mlog_open_and_write_index( /*======================*/ - /* out: buffer, NULL if log mode - MTR_LOG_NONE */ - mtr_t* mtr, /* in: mtr */ - byte* rec, /* in: index record or page */ - dict_index_t* index, /* in: record descriptor */ - byte type, /* in: log item type */ - ulint size) /* in: requested buffer size in bytes + mtr_t* mtr, /*!< in: mtr */ + byte* rec, /*!< in: index record or page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: log item type */ + ulint size) /*!< in: requested buffer size in bytes (if 0, calls mlog_close() and returns NULL) */ { byte* log_ptr; @@ -533,17 +529,16 @@ mlog_open_and_write_index( #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Parses a log record written by mlog_open_and_write_index. */ +Parses a log record written by mlog_open_and_write_index. +@return parsed record end, NULL if not a complete record */ UNIV_INTERN byte* mlog_parse_index( /*=============*/ - /* out: parsed record end, - NULL if not a complete record */ - byte* ptr, /* in: buffer */ - const byte* end_ptr,/* in: buffer end */ - ibool comp, /* in: TRUE=compact record format */ - dict_index_t** index) /* out, own: dummy index */ + byte* ptr, /*!< in: buffer */ + const byte* end_ptr,/*!< in: buffer end */ + ibool comp, /*!< in: TRUE=compact record format */ + dict_index_t** index) /*!< out, own: dummy index */ { ulint i, n, n_uniq; dict_table_t* table; diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index bfd245e9aa1..75778fc79d5 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -40,8 +40,8 @@ UNIV_INLINE void mtr_memo_slot_release( /*==================*/ - mtr_t* mtr, /* in: mtr */ - mtr_memo_slot_t* slot) /* in: memo slot */ + mtr_t* mtr, /*!< in: mtr */ + mtr_memo_slot_t* slot) /*!< in: memo slot */ { void* object; ulint type; @@ -81,7 +81,7 @@ UNIV_INLINE void mtr_memo_pop_all( /*=============*/ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { mtr_memo_slot_t* slot; dyn_array_t* memo; @@ -109,7 +109,7 @@ static void mtr_log_reserve_and_write( /*======================*/ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dyn_array_t* mlog; dyn_block_t* block; @@ -169,7 +169,7 @@ UNIV_INTERN void mtr_commit( /*=======*/ - mtr_t* mtr) /* in: mini-transaction */ + mtr_t* mtr) /*!< in: mini-transaction */ { #ifndef UNIV_HOTBACKUP ibool write_log; @@ -216,8 +216,8 @@ UNIV_INTERN void mtr_rollback_to_savepoint( /*======================*/ - mtr_t* mtr, /* in: mtr */ - ulint savepoint) /* in: savepoint */ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint) /*!< in: savepoint */ { mtr_memo_slot_t* slot; dyn_array_t* memo; @@ -248,9 +248,9 @@ UNIV_INTERN void mtr_memo_release( /*=============*/ - mtr_t* mtr, /* in: mtr */ - void* object, /* in: object */ - ulint type) /* in: object type: MTR_MEMO_S_LOCK, ... */ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ { mtr_memo_slot_t* slot; dyn_array_t* memo; @@ -280,16 +280,16 @@ mtr_memo_release( #endif /* !UNIV_HOTBACKUP */ /************************************************************ -Reads 1 - 4 bytes from a file page buffered in the buffer pool. */ +Reads 1 - 4 bytes from a file page buffered in the buffer pool. +@return value read */ UNIV_INTERN ulint mtr_read_ulint( /*===========*/ - /* out: value read */ - const byte* ptr, /* in: pointer from where to read */ - ulint type, /* in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + const byte* ptr, /*!< in: pointer from where to read */ + ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ mtr_t* mtr __attribute__((unused))) - /* in: mini-transaction handle */ + /*!< in: mini-transaction handle */ { ut_ad(mtr->state == MTR_ACTIVE); ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) @@ -305,15 +305,15 @@ mtr_read_ulint( } /************************************************************ -Reads 8 bytes from a file page buffered in the buffer pool. */ +Reads 8 bytes from a file page buffered in the buffer pool. +@return value read */ UNIV_INTERN dulint mtr_read_dulint( /*============*/ - /* out: value read */ - const byte* ptr, /* in: pointer from where to read */ + const byte* ptr, /*!< in: pointer from where to read */ mtr_t* mtr __attribute__((unused))) - /* in: mini-transaction handle */ + /*!< in: mini-transaction handle */ { ut_ad(mtr->state == MTR_ACTIVE); ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) @@ -324,15 +324,15 @@ mtr_read_dulint( #ifdef UNIV_DEBUG # ifndef UNIV_HOTBACKUP /************************************************************** -Checks if memo contains the given page. */ +Checks if memo contains the given page. +@return TRUE if contains */ UNIV_INTERN ibool mtr_memo_contains_page( /*===================*/ - /* out: TRUE if contains */ - mtr_t* mtr, /* in: mtr */ - const byte* ptr, /* in: pointer to buffer frame */ - ulint type) /* in: type of object */ + mtr_t* mtr, /*!< in: mtr */ + const byte* ptr, /*!< in: pointer to buffer frame */ + ulint type) /*!< in: type of object */ { return(mtr_memo_contains(mtr, buf_block_align(ptr), type)); } @@ -343,7 +343,7 @@ UNIV_INTERN void mtr_print( /*======*/ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { fprintf(stderr, "Mini-transaction handle: memo size %lu bytes" diff --git a/os/os0file.c b/os/os0file.c index 5c6e2cc5d6a..b9b7fb2ebc0 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -264,12 +264,12 @@ UNIV_INTERN ulint os_n_pending_writes = 0; UNIV_INTERN ulint os_n_pending_reads = 0; /*************************************************************************** -Gets the operating system version. Currently works only on Windows. */ +Gets the operating system version. Currently works only on Windows. +@return OS_WIN95, OS_WIN31, OS_WINNT, OS_WIN2000 */ UNIV_INTERN ulint os_get_os_version(void) /*===================*/ - /* out: OS_WIN95, OS_WIN31, OS_WINNT, OS_WIN2000 */ { #ifdef __WIN__ OSVERSIONINFO os_info; @@ -303,14 +303,13 @@ os_get_os_version(void) Retrieves the last error number if an error occurs in a file io function. The number should be retrieved before any other OS calls (because they may overwrite the error number). If the number is not known to this program, -the OS error number + 100 is returned. */ +the OS error number + 100 is returned. +@return error number, or OS error number + 100 */ UNIV_INTERN ulint os_file_get_last_error( /*===================*/ - /* out: error number, or OS error - number + 100 */ - ibool report_all_errors) /* in: TRUE if we want an error message + ibool report_all_errors) /*!< in: TRUE if we want an error message printed of all errors */ { ulint err; @@ -455,16 +454,15 @@ os_file_get_last_error( /******************************************************************** Does error handling when a file operation fails. Conditionally exits (calling exit(3)) based on should_exit value and the -error type */ +error type +@return TRUE if we should retry the operation */ static ibool os_file_handle_error_cond_exit( /*===========================*/ - /* out: TRUE if we should retry the - operation */ - const char* name, /* in: name of a file or NULL */ - const char* operation, /* in: operation */ - ibool should_exit) /* in: call exit(3) if unknown error + const char* name, /*!< in: name of a file or NULL */ + const char* operation, /*!< in: operation */ + ibool should_exit) /*!< in: call exit(3) if unknown error and this parameter is TRUE */ { ulint err; @@ -531,30 +529,28 @@ os_file_handle_error_cond_exit( } /******************************************************************** -Does error handling when a file operation fails. */ +Does error handling when a file operation fails. +@return TRUE if we should retry the operation */ static ibool os_file_handle_error( /*=================*/ - /* out: TRUE if we should retry the - operation */ - const char* name, /* in: name of a file or NULL */ - const char* operation)/* in: operation */ + const char* name, /*!< in: name of a file or NULL */ + const char* operation)/*!< in: operation */ { /* exit in case of unknown error */ return(os_file_handle_error_cond_exit(name, operation, TRUE)); } /******************************************************************** -Does error handling when a file operation fails. */ +Does error handling when a file operation fails. +@return TRUE if we should retry the operation */ static ibool os_file_handle_error_no_exit( /*=========================*/ - /* out: TRUE if we should retry the - operation */ - const char* name, /* in: name of a file or NULL */ - const char* operation)/* in: operation */ + const char* name, /*!< in: name of a file or NULL */ + const char* operation)/*!< in: operation */ { /* don't exit in case of unknown error */ return(os_file_handle_error_cond_exit(name, operation, FALSE)); @@ -570,14 +566,14 @@ os_file_handle_error_no_exit( #endif #ifdef USE_FILE_LOCK /******************************************************************** -Obtain an exclusive lock on a file. */ +Obtain an exclusive lock on a file. +@return 0 on success */ static int os_file_lock( /*=========*/ - /* out: 0 on success */ - int fd, /* in: file descriptor */ - const char* name) /* in: file name */ + int fd, /*!< in: file descriptor */ + const char* name) /*!< in: file name */ { struct flock lk; lk.l_type = F_WRLCK; @@ -623,12 +619,12 @@ os_io_init_simple(void) Creates a temporary file. This function is like tmpfile(3), but the temporary file is created in the MySQL temporary directory. On Netware, this function is like tmpfile(3), because the C run-time -library of Netware does not expose the delete-on-close flag. */ +library of Netware does not expose the delete-on-close flag. +@return temporary file handle, or NULL on error */ UNIV_INTERN FILE* os_file_create_tmpfile(void) /*========================*/ - /* out: temporary file handle, or NULL on error */ { #ifdef __NETWARE__ FILE* file = tmpfile(); @@ -661,16 +657,15 @@ os_file_create_tmpfile(void) The os_file_opendir() function opens a directory stream corresponding to the directory named by the dirname argument. The directory stream is positioned at the first entry. In both Unix and Windows we automatically skip the '.' -and '..' items at the start of the directory listing. */ +and '..' items at the start of the directory listing. +@return directory stream, NULL if error */ UNIV_INTERN os_file_dir_t os_file_opendir( /*============*/ - /* out: directory stream, NULL if - error */ - const char* dirname, /* in: directory name; it must not + const char* dirname, /*!< in: directory name; it must not contain a trailing '\' or '/' */ - ibool error_is_fatal) /* in: TRUE if we should treat an + ibool error_is_fatal) /*!< in: TRUE if we should treat an error as a fatal error; if we try to open symlinks then we do not wish a fatal error if it happens not to be @@ -718,13 +713,13 @@ os_file_opendir( } /*************************************************************************** -Closes a directory stream. */ +Closes a directory stream. +@return 0 if success, -1 if failure */ UNIV_INTERN int os_file_closedir( /*=============*/ - /* out: 0 if success, -1 if failure */ - os_file_dir_t dir) /* in: directory stream */ + os_file_dir_t dir) /*!< in: directory stream */ { #ifdef __WIN__ BOOL ret; @@ -753,16 +748,15 @@ os_file_closedir( /*************************************************************************** This function returns information of the next file in the directory. We jump -over the '.' and '..' entries in the directory. */ +over the '.' and '..' entries in the directory. +@return 0 if ok, -1 if error, 1 if at the end of the directory */ UNIV_INTERN int os_file_readdir_next_file( /*======================*/ - /* out: 0 if ok, -1 if error, 1 if at the end - of the directory */ - const char* dirname,/* in: directory name or path */ - os_file_dir_t dir, /* in: directory stream */ - os_file_stat_t* info) /* in/out: buffer where the info is returned */ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ { #ifdef __WIN__ LPWIN32_FIND_DATA lpFindFileData; @@ -906,16 +900,15 @@ next_file: This function attempts to create a directory named pathname. The new directory gets default permissions. On Unix the permissions are (0770 & ~umask). If the directory exists already, nothing is done and the call succeeds, unless the -fail_if_exists arguments is true. */ +fail_if_exists arguments is true. +@return TRUE if call succeeds, FALSE on error */ UNIV_INTERN ibool os_file_create_directory( /*=====================*/ - /* out: TRUE if call succeeds, - FALSE on error */ - const char* pathname, /* in: directory name as + const char* pathname, /*!< in: directory name as null-terminated string */ - ibool fail_if_exists) /* in: if TRUE, pre-existing directory + ibool fail_if_exists) /*!< in: if TRUE, pre-existing directory is treated as an error. */ { #ifdef __WIN__ @@ -949,26 +942,24 @@ os_file_create_directory( } /******************************************************************** -A simple function to open or create a file. */ +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple( /*==================*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file is + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error), or OS_FILE_CREATE_PATH if new file (if exists, error) and subdirectories along its path are created (if needed)*/ - ulint access_type,/* in: OS_FILE_READ_ONLY or + ulint access_type,/*!< in: OS_FILE_READ_ONLY or OS_FILE_READ_WRITE */ - ibool* success)/* out: TRUE if succeed, FALSE if error */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ { #ifdef __WIN__ os_file_t file; @@ -1091,25 +1082,23 @@ try_again: } /******************************************************************** -A simple function to open or create a file. */ +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple_no_error_handling( /*====================================*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error) */ - ulint access_type,/* in: OS_FILE_READ_ONLY, + ulint access_type,/*!< in: OS_FILE_READ_ONLY, OS_FILE_READ_WRITE, or OS_FILE_READ_ALLOW_DELETE; the last option is used by a backup program reading the file */ - ibool* success)/* out: TRUE if succeed, FALSE if error */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ { #ifdef __WIN__ os_file_t file; @@ -1209,10 +1198,10 @@ UNIV_INTERN void os_file_set_nocache( /*================*/ - int fd, /* in: file descriptor to alter */ - const char* file_name, /* in: file name, used in the + int fd, /*!< in: file descriptor to alter */ + const char* file_name, /*!< in: file name, used in the diagnostic message */ - const char* operation_name) /* in: "open" or "create"; used in the + const char* operation_name) /*!< in: "open" or "create"; used in the diagnostic message */ { /* some versions of Solaris may not have DIRECTIO_ON */ @@ -1247,17 +1236,15 @@ os_file_set_nocache( } /******************************************************************** -Opens an existing file or creates a new. */ +Opens an existing file or creates a new. +@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create( /*===========*/ - /* out, own: handle to the file, not defined - if error, error number can be retrieved with - os_file_get_last_error */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - ulint create_mode,/* in: OS_FILE_OPEN if an existing file + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is opened (if does not exist, error), or OS_FILE_CREATE if a new file is created (if exists, error), @@ -1265,15 +1252,15 @@ os_file_create( or an old overwritten; OS_FILE_OPEN_RAW, if a raw device or disk partition should be opened */ - ulint purpose,/* in: OS_FILE_AIO, if asynchronous, + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, non-buffered i/o is desired, OS_FILE_NORMAL, if any normal file; NOTE that it also depends on type, os_aio_.. and srv_.. variables whether we really use async i/o or unbuffered i/o: look in the function source code for the exact rules */ - ulint type, /* in: OS_DATA_FILE or OS_LOG_FILE */ - ibool* success)/* out: TRUE if succeed, FALSE if error */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ { #ifdef __WIN__ os_file_t file; @@ -1506,13 +1493,13 @@ try_again: } /*************************************************************************** -Deletes a file if it exists. The file has to be closed before calling this. */ +Deletes a file if it exists. The file has to be closed before calling this. +@return TRUE if success */ UNIV_INTERN ibool os_file_delete_if_exists( /*=====================*/ - /* out: TRUE if success */ - const char* name) /* in: file path as a null-terminated string */ + const char* name) /*!< in: file path as a null-terminated string */ { #ifdef __WIN__ BOOL ret; @@ -1568,13 +1555,13 @@ loop: } /*************************************************************************** -Deletes a file. The file has to be closed before calling this. */ +Deletes a file. The file has to be closed before calling this. +@return TRUE if success */ UNIV_INTERN ibool os_file_delete( /*===========*/ - /* out: TRUE if success */ - const char* name) /* in: file path as a null-terminated string */ + const char* name) /*!< in: file path as a null-terminated string */ { #ifdef __WIN__ BOOL ret; @@ -1632,15 +1619,15 @@ loop: /*************************************************************************** Renames a file (can also move it to another directory). It is safest that the -file is closed before calling this function. */ +file is closed before calling this function. +@return TRUE if success */ UNIV_INTERN ibool os_file_rename( /*===========*/ - /* out: TRUE if success */ - const char* oldpath,/* in: old file path as a null-terminated + const char* oldpath,/*!< in: old file path as a null-terminated string */ - const char* newpath)/* in: new file path */ + const char* newpath)/*!< in: new file path */ { #ifdef __WIN__ BOOL ret; @@ -1671,13 +1658,13 @@ os_file_rename( /*************************************************************************** Closes a file handle. In case of error, error number can be retrieved with -os_file_get_last_error. */ +os_file_get_last_error. +@return TRUE if success */ UNIV_INTERN ibool os_file_close( /*==========*/ - /* out: TRUE if success */ - os_file_t file) /* in, own: handle to a file */ + os_file_t file) /*!< in, own: handle to a file */ { #ifdef __WIN__ BOOL ret; @@ -1709,13 +1696,13 @@ os_file_close( } /*************************************************************************** -Closes a file handle. */ +Closes a file handle. +@return TRUE if success */ UNIV_INTERN ibool os_file_close_no_error_handling( /*============================*/ - /* out: TRUE if success */ - os_file_t file) /* in, own: handle to a file */ + os_file_t file) /*!< in, own: handle to a file */ { #ifdef __WIN__ BOOL ret; @@ -1744,16 +1731,16 @@ os_file_close_no_error_handling( } /*************************************************************************** -Gets a file size. */ +Gets a file size. +@return TRUE if success */ UNIV_INTERN ibool os_file_get_size( /*=============*/ - /* out: TRUE if success */ - os_file_t file, /* in: handle to a file */ - ulint* size, /* out: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + ulint* size, /*!< out: least significant 32 bits of file size */ - ulint* size_high)/* out: most significant 32 bits of size */ + ulint* size_high)/*!< out: most significant 32 bits of size */ { #ifdef __WIN__ DWORD high; @@ -1792,13 +1779,13 @@ os_file_get_size( } /*************************************************************************** -Gets file size as a 64-bit integer ib_int64_t. */ +Gets file size as a 64-bit integer ib_int64_t. +@return size in bytes, -1 if error */ UNIV_INTERN ib_int64_t os_file_get_size_as_iblonglong( /*===========================*/ - /* out: size in bytes, -1 if error */ - os_file_t file) /* in: handle to a file */ + os_file_t file) /*!< in: handle to a file */ { ulint size; ulint size_high; @@ -1815,18 +1802,18 @@ os_file_get_size_as_iblonglong( } /*************************************************************************** -Write the specified number of zeros to a newly created file. */ +Write the specified number of zeros to a newly created file. +@return TRUE if success */ UNIV_INTERN ibool os_file_set_size( /*=============*/ - /* out: TRUE if success */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - ulint size, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + ulint size, /*!< in: least significant 32 bits of file size */ - ulint size_high)/* in: most significant 32 bits of size */ + ulint size_high)/*!< in: most significant 32 bits of size */ { ib_int64_t current_size; ib_int64_t desired_size; @@ -1904,13 +1891,13 @@ error_handling: } /*************************************************************************** -Truncates a file at its current position. */ +Truncates a file at its current position. +@return TRUE if success */ UNIV_INTERN ibool os_file_set_eof( /*============*/ - /* out: TRUE if success */ - FILE* file) /* in: file to be truncated */ + FILE* file) /*!< in: file to be truncated */ { #ifdef __WIN__ HANDLE h = (HANDLE) _get_osfhandle(fileno(file)); @@ -1924,14 +1911,14 @@ os_file_set_eof( /*************************************************************************** Wrapper to fsync(2) that retries the call on some errors. Returns the value 0 if successful; otherwise the value -1 is returned and -the global variable errno is set to indicate the error. */ +the global variable errno is set to indicate the error. +@return 0 if success, -1 otherwise */ static int os_file_fsync( /*==========*/ - /* out: 0 if success, -1 otherwise */ - os_file_t file) /* in: handle to a file */ + os_file_t file) /*!< in: handle to a file */ { int ret; int failures; @@ -1970,13 +1957,13 @@ os_file_fsync( #endif /* !__WIN__ */ /*************************************************************************** -Flushes the write buffers of a given file to the disk. */ +Flushes the write buffers of a given file to the disk. +@return TRUE if success */ UNIV_INTERN ibool os_file_flush( /*==========*/ - /* out: TRUE if success */ - os_file_t file) /* in, own: handle to a file */ + os_file_t file) /*!< in, own: handle to a file */ { #ifdef __WIN__ BOOL ret; @@ -2069,18 +2056,18 @@ os_file_flush( #ifndef __WIN__ /*********************************************************************** -Does a synchronous read operation in Posix. */ +Does a synchronous read operation in Posix. +@return number of bytes read, -1 if error */ static ssize_t os_file_pread( /*==========*/ - /* out: number of bytes read, -1 if error */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read */ - ulint n, /* in: number of bytes to read */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint n, /*!< in: number of bytes to read */ + ulint offset, /*!< in: least significant 32 bits of file offset from where to read */ - ulint offset_high) /* in: most significant 32 bits of + ulint offset_high) /*!< in: most significant 32 bits of offset */ { off_t offs; @@ -2154,18 +2141,18 @@ os_file_pread( } /*********************************************************************** -Does a synchronous write operation in Posix. */ +Does a synchronous write operation in Posix. +@return number of bytes written, -1 if error */ static ssize_t os_file_pwrite( /*===========*/ - /* out: number of bytes written, -1 if error */ - os_file_t file, /* in: handle to a file */ - const void* buf, /* in: buffer from where to write */ - ulint n, /* in: number of bytes to write */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from where to write */ + ulint n, /*!< in: number of bytes to write */ + ulint offset, /*!< in: least significant 32 bits of file offset where to write */ - ulint offset_high) /* in: most significant 32 bits of + ulint offset_high) /*!< in: most significant 32 bits of offset */ { ssize_t ret; @@ -2268,20 +2255,19 @@ func_exit: #endif /*********************************************************************** -Requests a synchronous positioned read operation. */ +Requests a synchronous positioned read operation. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_read( /*=========*/ - /* out: TRUE if request was - successful, FALSE if fail */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file offset where to read */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint n) /* in: number of bytes to read */ + ulint n) /*!< in: number of bytes to read */ { #ifdef __WIN__ BOOL ret; @@ -2385,20 +2371,19 @@ error_handling: /*********************************************************************** Requests a synchronous positioned read operation. This function does not do -any error handling. In case of error it returns FALSE. */ +any error handling. In case of error it returns FALSE. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_read_no_error_handling( /*===========================*/ - /* out: TRUE if request was - successful, FALSE if fail */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file offset where to read */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint n) /* in: number of bytes to read */ + ulint n) /*!< in: number of bytes to read */ { #ifdef __WIN__ BOOL ret; @@ -2489,9 +2474,9 @@ UNIV_INTERN void os_file_read_string( /*================*/ - FILE* file, /* in: file to read from */ - char* str, /* in: buffer where to read */ - ulint size) /* in: size of buffer */ + FILE* file, /*!< in: file to read from */ + char* str, /*!< in: buffer where to read */ + ulint size) /*!< in: size of buffer */ { size_t flen; @@ -2505,22 +2490,21 @@ os_file_read_string( } /*********************************************************************** -Requests a synchronous write operation. */ +Requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool os_file_write( /*==========*/ - /* out: TRUE if request was - successful, FALSE if fail */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - const void* buf, /* in: buffer from which to write */ - ulint offset, /* in: least significant 32 bits of file + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file offset where to write */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint n) /* in: number of bytes to write */ + ulint n) /*!< in: number of bytes to write */ { #ifdef __WIN__ BOOL ret; @@ -2695,15 +2679,15 @@ retry: } /*********************************************************************** -Check the existence and type of the given file. */ +Check the existence and type of the given file. +@return TRUE if call succeeded */ UNIV_INTERN ibool os_file_status( /*===========*/ - /* out: TRUE if call succeeded */ - const char* path, /* in: pathname of the file */ - ibool* exists, /* out: TRUE if file exists */ - os_file_type_t* type) /* out: type of the file (if it exists) */ + const char* path, /*!< in: pathname of the file */ + ibool* exists, /*!< out: TRUE if file exists */ + os_file_type_t* type) /*!< out: type of the file (if it exists) */ { #ifdef __WIN__ int ret; @@ -2767,15 +2751,14 @@ os_file_status( } /*********************************************************************** -This function returns information about the specified file */ +This function returns information about the specified file +@return TRUE if stat information found */ UNIV_INTERN ibool os_file_get_status( /*===============*/ - /* out: TRUE if stat - information found */ - const char* path, /* in: pathname of the file */ - os_file_stat_t* stat_info) /* information of a file in a + const char* path, /*!< in: pathname of the file */ + os_file_stat_t* stat_info) /*!< information of a file in a directory */ { #ifdef __WIN__ @@ -2878,14 +2861,13 @@ returned by dirname and basename for different paths: "/" "/" "/" "." "." "." ".." "." ".." -*/ + +@return own: directory component of the pathname */ UNIV_INTERN char* os_file_dirname( /*============*/ - /* out, own: directory component of the - pathname */ - const char* path) /* in: pathname */ + const char* path) /*!< in: pathname */ { /* Find the offset of the last slash */ const char* last_slash = strrchr(path, OS_FILE_PATH_SEPARATOR); @@ -2909,14 +2891,13 @@ os_file_dirname( } /******************************************************************** -Creates all missing subdirectories along the given path. */ +Creates all missing subdirectories along the given path. +@return TRUE if call succeeded FALSE otherwise */ UNIV_INTERN ibool os_file_create_subdirs_if_needed( /*=============================*/ - /* out: TRUE if call succeeded - FALSE otherwise */ - const char* path) /* in: path name */ + const char* path) /*!< in: path name */ { char* subdir; ibool success, subdir_exists; @@ -2951,14 +2932,14 @@ os_file_create_subdirs_if_needed( #ifndef UNIV_HOTBACKUP /******************************************************************** -Returns a pointer to the nth slot in the aio array. */ +Returns a pointer to the nth slot in the aio array. +@return pointer to slot */ static os_aio_slot_t* os_aio_array_get_nth_slot( /*======================*/ - /* out: pointer to slot */ - os_aio_array_t* array, /* in: aio array */ - ulint index) /* in: index of the slot */ + os_aio_array_t* array, /*!< in: aio array */ + ulint index) /*!< in: index of the slot */ { ut_a(index < array->n_slots); @@ -2967,14 +2948,14 @@ os_aio_array_get_nth_slot( #if defined(LINUX_NATIVE_AIO) /********************************************************************** -Creates an io_context for native linux AIO. */ +Creates an io_context for native linux AIO. +@return TRUE on success. */ static ibool os_aio_linux_create_io_ctx( /*=======================*/ - /* out: TRUE on success. */ - ulint max_events, /* in: number of events. */ - io_context_t* io_ctx) /* out: io_ctx to initialize. */ + ulint max_events, /*!< in: number of events. */ + io_context_t* io_ctx) /*!< out: io_ctx to initialize. */ { int ret; ulint retries = 0; @@ -3056,15 +3037,15 @@ retry: /********************************************************************** Creates an aio wait array. Note that we return NULL in case of failure. We don't care about freeing memory here because we assume that a -failure will result in server refusing to start up. */ +failure will result in server refusing to start up. +@return own: aio array, NULL on failure */ static os_aio_array_t* os_aio_array_create( /*================*/ - /* out, own: aio array, NULL on failure */ - ulint n, /* in: maximum number of pending aio operations + ulint n, /*!< in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ - ulint n_segments) /* in: number of segments in the aio array */ + ulint n_segments) /*!< in: number of segments in the aio array */ { os_aio_array_t* array; ulint i; @@ -3159,17 +3140,17 @@ segment, two aio arrays for log reads and writes with one segment, and a synchronous aio array of the specified size. The combined number of segments in the three first aio arrays is the parameter n_segments given to the function. The caller must create an i/o handler thread for each segment in -the four first arrays, but not for the sync aio array. */ +the four first arrays, but not for the sync aio array. +@return TRUE on success. */ UNIV_INTERN ibool os_aio_init( /*========*/ - /* out: TRUE on success. */ - ulint n, /* in: maximum number of pending aio operations + ulint n, /*!< in: maximum number of pending aio operations allowed; n must be divisible by n_segments */ - ulint n_segments, /* in: combined number of segments in the four + ulint n_segments, /*!< in: combined number of segments in the four first aio arrays; must be >= 4 */ - ulint n_slots_sync) /* in: number of slots in the sync aio array */ + ulint n_slots_sync) /*!< in: number of slots in the sync aio array */ { ulint n_read_segs; ulint n_write_segs; @@ -3260,7 +3241,7 @@ static void os_aio_array_wake_win_aio_at_shutdown( /*==================================*/ - os_aio_array_t* array) /* in: aio array */ + os_aio_array_t* array) /*!< in: aio array */ { ulint i; @@ -3321,15 +3302,14 @@ os_aio_wait_until_no_pending_writes(void) } /************************************************************************** -Calculates segment number for a slot. */ +Calculates segment number for a slot. +@return segment number (which is the number used by, for example, i/o-handler threads) */ static ulint os_aio_get_segment_no_from_slot( /*============================*/ - /* out: segment number (which is the number - used by, for example, i/o-handler threads) */ - os_aio_array_t* array, /* in: aio wait array */ - os_aio_slot_t* slot) /* in: slot in this array */ + os_aio_array_t* array, /*!< in: aio wait array */ + os_aio_slot_t* slot) /*!< in: slot in this array */ { ulint segment; ulint seg_len; @@ -3358,15 +3338,14 @@ os_aio_get_segment_no_from_slot( } /************************************************************************** -Calculates local segment number and aio array from global segment number. */ +Calculates local segment number and aio array from global segment number. +@return local segment number within the aio array */ static ulint os_aio_get_array_and_local_segment( /*===============================*/ - /* out: local segment number within - the aio array */ - os_aio_array_t** array, /* out: aio wait array */ - ulint global_segment)/* in: global segment number */ + os_aio_array_t** array, /*!< out: aio wait array */ + ulint global_segment)/*!< in: global segment number */ { ulint segment; @@ -3395,28 +3374,28 @@ os_aio_get_array_and_local_segment( /*********************************************************************** Requests for a slot in the aio array. If no slot is available, waits until -not_full-event becomes signaled. */ +not_full-event becomes signaled. +@return pointer to slot */ static os_aio_slot_t* os_aio_array_reserve_slot( /*======================*/ - /* out: pointer to slot */ - ulint type, /* in: OS_FILE_READ or OS_FILE_WRITE */ - os_aio_array_t* array, /* in: aio array */ - fil_node_t* message1,/* in: message to be passed along with + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + os_aio_array_t* array, /*!< in: aio array */ + fil_node_t* message1,/*!< in: message to be passed along with the aio operation */ - void* message2,/* in: message to be passed along with + void* message2,/*!< in: message to be passed along with the aio operation */ - os_file_t file, /* in: file handle */ - const char* name, /* in: name of the file or path as a + os_file_t file, /*!< in: file handle */ + const char* name, /*!< in: name of the file or path as a null-terminated string */ - void* buf, /* in: buffer where to read or from which + void* buf, /*!< in: buffer where to read or from which to write */ - ulint offset, /* in: least significant 32 bits of file + ulint offset, /*!< in: least significant 32 bits of file offset */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint len) /* in: length of the block to read or write */ + ulint len) /*!< in: length of the block to read or write */ { os_aio_slot_t* slot = NULL; #ifdef WIN_ASYNC_IO @@ -3556,8 +3535,8 @@ static void os_aio_array_free_slot( /*===================*/ - os_aio_array_t* array, /* in: aio array */ - os_aio_slot_t* slot) /* in: pointer to slot */ + os_aio_array_t* array, /*!< in: aio array */ + os_aio_slot_t* slot) /*!< in: pointer to slot */ { ut_ad(array); ut_ad(slot); @@ -3606,7 +3585,7 @@ static void os_aio_simulated_wake_handler_thread( /*=================================*/ - ulint global_segment) /* in: the number of the segment in the aio + ulint global_segment) /*!< in: the number of the segment in the aio arrays */ { os_aio_array_t* array; @@ -3691,14 +3670,14 @@ os_aio_simulated_put_read_threads_to_sleep(void) #if defined(LINUX_NATIVE_AIO) /*********************************************************************** -Dispatch an AIO request to the kernel. */ +Dispatch an AIO request to the kernel. +@return TRUE on success. */ static ibool os_aio_linux_dispatch( /*==================*/ - /* out: TRUE on success. */ - os_aio_array_t* array, /* in: io request array. */ - os_aio_slot_t* slot) /* in: an already reserved slot. */ + os_aio_array_t* array, /*!< in: io request array. */ + os_aio_slot_t* slot) /*!< in: an already reserved slot. */ { int ret; ulint io_ctx_index; @@ -3738,15 +3717,14 @@ os_aio_linux_dispatch( /*********************************************************************** -Requests an asynchronous i/o operation. */ +Requests an asynchronous i/o operation. +@return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN ibool os_aio( /*===*/ - /* out: TRUE if request was queued - successfully, FALSE if fail */ - ulint type, /* in: OS_FILE_READ or OS_FILE_WRITE */ - ulint mode, /* in: OS_AIO_NORMAL, ..., possibly ORed + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed to OS_AIO_SIMULATED_WAKE_LATER: the last flag advises this function not to wake i/o-handler threads, but the caller will @@ -3759,21 +3737,21 @@ os_aio( because i/os are not actually handled until all have been posted: use with great caution! */ - const char* name, /* in: name of the file or path as a + const char* name, /*!< in: name of the file or path as a null-terminated string */ - os_file_t file, /* in: handle to a file */ - void* buf, /* in: buffer where to read or from which + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read or from which to write */ - ulint offset, /* in: least significant 32 bits of file + ulint offset, /*!< in: least significant 32 bits of file offset where to read or write */ - ulint offset_high, /* in: most significant 32 bits of + ulint offset_high, /*!< in: most significant 32 bits of offset */ - ulint n, /* in: number of bytes to read or write */ - fil_node_t* message1,/* in: message for the aio handler + ulint n, /*!< in: number of bytes to read or write */ + fil_node_t* message1,/*!< in: message for the aio handler (can be used to identify a completed aio operation); ignored if mode is OS_AIO_SYNC */ - void* message2)/* in: message for the aio handler + void* message2)/*!< in: message for the aio handler (can be used to identify a completed aio operation); ignored if mode is OS_AIO_SYNC */ @@ -3951,13 +3929,13 @@ Waits for an aio operation to complete. This function is used to wait the for completed requests. The aio array of pending requests is divided into segments. The thread specifies which segment or slot it wants to wait for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! */ +therefore no other thread is allowed to do the freeing! +@return TRUE if the aio operation succeeded */ UNIV_INTERN ibool os_aio_windows_handle( /*==================*/ - /* out: TRUE if the aio operation succeeded */ - ulint segment, /* in: the number of the segment in the aio + ulint segment, /*!< in: the number of the segment in the aio arrays to wait for; segment 0 is the ibuf i/o thread, segment 1 the log i/o thread, then follow the non-ibuf read threads, and as @@ -3965,15 +3943,15 @@ os_aio_windows_handle( this is ULINT_UNDEFINED, then it means that sync aio is used, and this parameter is ignored */ - ulint pos, /* this parameter is used only in sync aio: + ulint pos, /*!< this parameter is used only in sync aio: wait for the aio slot at this position */ - fil_node_t**message1, /* out: the messages passed with the aio + fil_node_t**message1, /*!< out: the messages passed with the aio request; note that also in the case where the aio operation failed, these output parameters are valid and can be used to restart the operation, for example */ void** message2, - ulint* type) /* out: OS_FILE_WRITE or ..._READ */ + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ { ulint orig_seg = segment; os_aio_array_t* array; @@ -4068,9 +4046,9 @@ static void os_aio_linux_collect( /*=================*/ - os_aio_array_t* array, /* in/out: slot array. */ - ulint segment, /* in: local segment no. */ - ulint seg_size) /* in: segment size. */ + os_aio_array_t* array, /*!< in/out: slot array. */ + ulint segment, /*!< in: local segment no. */ + ulint seg_size) /*!< in: segment size. */ { int i; int ret; @@ -4193,24 +4171,24 @@ Waits for an aio operation to complete. This function is used to wait for the completed requests. The aio array of pending requests is divided into segments. The thread specifies which segment or slot it wants to wait for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! */ +therefore no other thread is allowed to do the freeing! +@return TRUE if the IO was successful */ UNIV_INTERN ibool os_aio_linux_handle( /*================*/ - /* out: TRUE if the IO was successful */ - ulint global_seg, /* in: segment number in the aio array + ulint global_seg, /*!< in: segment number in the aio array to wait for; segment 0 is the ibuf i/o thread, segment 1 is log i/o thread, then follow the non-ibuf read threads, and the last are the non-ibuf write threads. */ - fil_node_t**message1, /* out: the messages passed with the */ - void** message2, /* aio request; note that in case the + fil_node_t**message1, /*!< out: the messages passed with the */ + void** message2, /*!< aio request; note that in case the aio operation failed, these output parameters are valid and can be used to restart the operation. */ - ulint* type) /* out: OS_FILE_WRITE or ..._READ */ + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ { ulint segment; os_aio_array_t* array; @@ -4305,24 +4283,24 @@ found: /************************************************************************** Does simulated aio. This function should be called by an i/o-handler -thread. */ +thread. +@return TRUE if the aio operation succeeded */ UNIV_INTERN ibool os_aio_simulated_handle( /*====================*/ - /* out: TRUE if the aio operation succeeded */ - ulint global_segment, /* in: the number of the segment in the aio + ulint global_segment, /*!< in: the number of the segment in the aio arrays to wait for; segment 0 is the ibuf i/o thread, segment 1 the log i/o thread, then follow the non-ibuf read threads, and as the last are the non-ibuf write threads */ - fil_node_t**message1, /* out: the messages passed with the aio + fil_node_t**message1, /*!< out: the messages passed with the aio request; note that also in the case where the aio operation failed, these output parameters are valid and can be used to restart the operation, for example */ void** message2, - ulint* type) /* out: OS_FILE_WRITE or ..._READ */ + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ { os_aio_array_t* array; ulint segment; @@ -4625,13 +4603,13 @@ recommended_sleep: } /************************************************************************** -Validates the consistency of an aio array. */ +Validates the consistency of an aio array. +@return TRUE if ok */ static ibool os_aio_array_validate( /*==================*/ - /* out: TRUE if ok */ - os_aio_array_t* array) /* in: aio wait array */ + os_aio_array_t* array) /*!< in: aio wait array */ { os_aio_slot_t* slot; ulint n_reserved = 0; @@ -4661,12 +4639,12 @@ os_aio_array_validate( } /************************************************************************** -Validates the consistency the aio system. */ +Validates the consistency the aio system. +@return TRUE if ok */ UNIV_INTERN ibool os_aio_validate(void) /*=================*/ - /* out: TRUE if ok */ { os_aio_array_validate(os_aio_read_array); os_aio_array_validate(os_aio_write_array); @@ -4686,9 +4664,9 @@ static void os_aio_print_segment_info( /*======================*/ - FILE* file, /* in: file where to print */ - ulint* n_seg, /* in: pending IO array */ - os_aio_array_t* array) /* in: array to process */ + FILE* file, /*!< in: file where to print */ + ulint* n_seg, /*!< in: pending IO array */ + os_aio_array_t* array) /*!< in: array to process */ { ulint i; @@ -4717,7 +4695,7 @@ UNIV_INTERN void os_aio_print( /*=========*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { os_aio_array_t* array; os_aio_slot_t* slot; @@ -4873,12 +4851,12 @@ os_aio_refresh_stats(void) #ifdef UNIV_DEBUG /************************************************************************** Checks that all slots in the system have been freed, that is, there are -no pending io operations. */ +no pending io operations. +@return TRUE if all free */ UNIV_INTERN ibool os_aio_all_slots_free(void) /*=======================*/ - /* out: TRUE if all free */ { os_aio_array_t* array; ulint n_res = 0; diff --git a/os/os0proc.c b/os/os0proc.c index f5bc665a073..49bcf0210ce 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -47,12 +47,12 @@ UNIV_INTERN ulint os_large_page_size; Converts the current process id to a number. It is not guaranteed that the number is unique. In Linux returns the 'process number' of the current thread. That number is the same as one sees in 'top', for example. In Linux -the thread id is not the same as one sees in 'top'. */ +the thread id is not the same as one sees in 'top'. +@return process id as a number */ UNIV_INTERN ulint os_proc_get_number(void) /*====================*/ - /* out: process id as a number */ { #ifdef __WIN__ return((ulint)GetCurrentProcessId()); @@ -62,13 +62,13 @@ os_proc_get_number(void) } /******************************************************************** -Allocates large pages memory. */ +Allocates large pages memory. +@return allocated memory */ UNIV_INTERN void* os_mem_alloc_large( /*===============*/ - /* out: allocated memory */ - ulint* n) /* in/out: number of bytes */ + ulint* n) /*!< in/out: number of bytes */ { void* ptr; ulint size; @@ -178,9 +178,9 @@ UNIV_INTERN void os_mem_free_large( /*==============*/ - void *ptr, /* in: pointer returned by + void *ptr, /*!< in: pointer returned by os_mem_alloc_large() */ - ulint size) /* in: size returned by + ulint size) /*!< in: size returned by os_mem_alloc_large() */ { os_fast_mutex_lock(&ut_list_mutex); @@ -235,7 +235,7 @@ UNIV_INTERN void os_process_set_priority_boost( /*==========================*/ - ibool do_boost) /* in: TRUE if priority boost should be done, + ibool do_boost) /*!< in: TRUE if priority boost should be done, FALSE if not */ { #ifdef __WIN__ diff --git a/os/os0sync.c b/os/os0sync.c index eabb2dfa0e1..2fb6a5c6582 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -128,13 +128,13 @@ os_sync_free(void) /************************************************************* Creates an event semaphore, i.e., a semaphore which may just have two states: signaled and nonsignaled. The created event is manual reset: it -must be reset explicitly by calling sync_os_reset_event. */ +must be reset explicitly by calling sync_os_reset_event. +@return the event handle */ UNIV_INTERN os_event_t os_event_create( /*============*/ - /* out: the event handle */ - const char* name) /* in: the name of the event, if NULL + const char* name) /*!< in: the name of the event, if NULL the event is created without a name */ { #ifdef __WIN__ @@ -196,13 +196,13 @@ os_event_create( #ifdef __WIN__ /************************************************************* Creates an auto-reset event semaphore, i.e., an event which is automatically -reset when a single thread is released. Works only in Windows. */ +reset when a single thread is released. Works only in Windows. +@return the event handle */ UNIV_INTERN os_event_t os_event_create_auto( /*=================*/ - /* out: the event handle */ - const char* name) /* in: the name of the event, if NULL + const char* name) /*!< in: the name of the event, if NULL the event is created without a name */ { os_event_t event; @@ -241,7 +241,7 @@ UNIV_INTERN void os_event_set( /*=========*/ - os_event_t event) /* in: event to set */ + os_event_t event) /*!< in: event to set */ { #ifdef __WIN__ ut_a(event); @@ -269,13 +269,13 @@ stop to wait for the event. The return value should be passed to os_even_wait_low() if it is desired that this thread should not wait in case of an intervening call to os_event_set() between this os_event_reset() and the -os_event_wait_low() call. See comments for os_event_wait_low(). */ +os_event_wait_low() call. See comments for os_event_wait_low(). +@return current signal_count. */ UNIV_INTERN ib_int64_t os_event_reset( /*===========*/ - /* out: current signal_count. */ - os_event_t event) /* in: event to reset */ + os_event_t event) /*!< in: event to reset */ { ib_int64_t ret = 0; @@ -306,7 +306,7 @@ static void os_event_free_internal( /*===================*/ - os_event_t event) /* in: event to free */ + os_event_t event) /*!< in: event to free */ { #ifdef __WIN__ ut_a(event); @@ -335,7 +335,7 @@ UNIV_INTERN void os_event_free( /*==========*/ - os_event_t event) /* in: event to free */ + os_event_t event) /*!< in: event to free */ { #ifdef __WIN__ @@ -385,8 +385,8 @@ UNIV_INTERN void os_event_wait_low( /*==============*/ - os_event_t event, /* in: event to wait */ - ib_int64_t reset_sig_count)/* in: zero or the value + os_event_t event, /*!< in: event to wait */ + ib_int64_t reset_sig_count)/*!< in: zero or the value returned by previous call of os_event_reset(). */ { @@ -442,15 +442,14 @@ os_event_wait_low( /************************************************************** Waits for an event object until it is in the signaled state or -a timeout is exceeded. In Unix the timeout is always infinite. */ +a timeout is exceeded. In Unix the timeout is always infinite. +@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ UNIV_INTERN ulint os_event_wait_time( /*===============*/ - /* out: 0 if success, OS_SYNC_TIME_EXCEEDED if - timeout was exceeded */ - os_event_t event, /* in: event to wait */ - ulint time) /* in: timeout in microseconds, or + os_event_t event, /*!< in: event to wait */ + ulint time) /*!< in: timeout in microseconds, or OS_SYNC_INFINITE_TIME */ { #ifdef __WIN__ @@ -488,17 +487,16 @@ os_event_wait_time( #ifdef __WIN__ /************************************************************** Waits for any event in an OS native event array. Returns if even a single -one is signaled or becomes signaled. */ +one is signaled or becomes signaled. +@return index of the event which was signaled */ UNIV_INTERN ulint os_event_wait_multiple( /*===================*/ - /* out: index of the event - which was signaled */ - ulint n, /* in: number of events in the + ulint n, /*!< in: number of events in the array */ os_native_event_t* native_event_array) - /* in: pointer to an array of event + /*!< in: pointer to an array of event handles */ { DWORD index; @@ -523,13 +521,13 @@ os_event_wait_multiple( /************************************************************* Creates an operating system mutex semaphore. Because these are slow, the -mutex semaphore of InnoDB itself (mutex_t) should be used where possible. */ +mutex semaphore of InnoDB itself (mutex_t) should be used where possible. +@return the mutex handle */ UNIV_INTERN os_mutex_t os_mutex_create( /*============*/ - /* out: the mutex handle */ - const char* name) /* in: the name of the mutex, if NULL + const char* name) /*!< in: the name of the mutex, if NULL the mutex is created without a name */ { #ifdef __WIN__ @@ -578,7 +576,7 @@ UNIV_INTERN void os_mutex_enter( /*===========*/ - os_mutex_t mutex) /* in: mutex to acquire */ + os_mutex_t mutex) /*!< in: mutex to acquire */ { #ifdef __WIN__ DWORD err; @@ -607,7 +605,7 @@ UNIV_INTERN void os_mutex_exit( /*==========*/ - os_mutex_t mutex) /* in: mutex to release */ + os_mutex_t mutex) /*!< in: mutex to release */ { ut_a(mutex); @@ -627,7 +625,7 @@ UNIV_INTERN void os_mutex_free( /*==========*/ - os_mutex_t mutex) /* in: mutex to free */ + os_mutex_t mutex) /*!< in: mutex to free */ { ut_a(mutex); @@ -664,7 +662,7 @@ UNIV_INTERN void os_fast_mutex_init( /*===============*/ - os_fast_mutex_t* fast_mutex) /* in: fast mutex */ + os_fast_mutex_t* fast_mutex) /*!< in: fast mutex */ { #ifdef __WIN__ ut_a(fast_mutex); @@ -693,7 +691,7 @@ UNIV_INTERN void os_fast_mutex_lock( /*===============*/ - os_fast_mutex_t* fast_mutex) /* in: mutex to acquire */ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ { #ifdef __WIN__ EnterCriticalSection((LPCRITICAL_SECTION) fast_mutex); @@ -708,7 +706,7 @@ UNIV_INTERN void os_fast_mutex_unlock( /*=================*/ - os_fast_mutex_t* fast_mutex) /* in: mutex to release */ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to release */ { #ifdef __WIN__ LeaveCriticalSection(fast_mutex); @@ -723,7 +721,7 @@ UNIV_INTERN void os_fast_mutex_free( /*===============*/ - os_fast_mutex_t* fast_mutex) /* in: mutex to free */ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to free */ { #ifdef __WIN__ ut_a(fast_mutex); diff --git a/os/os0thread.c b/os/os0thread.c index 67775b677d8..fcdf12b206c 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -36,14 +36,14 @@ Created 9/8/1995 Heikki Tuuri #include "os0sync.h" /******************************************************************* -Compares two thread ids for equality. */ +Compares two thread ids for equality. +@return TRUE if equal */ UNIV_INTERN ibool os_thread_eq( /*=========*/ - /* out: TRUE if equal */ - os_thread_id_t a, /* in: OS thread or thread id */ - os_thread_id_t b) /* in: OS thread or thread id */ + os_thread_id_t a, /*!< in: OS thread or thread id */ + os_thread_id_t b) /*!< in: OS thread or thread id */ { #ifdef __WIN__ if (a == b) { @@ -62,13 +62,13 @@ os_thread_eq( /******************************************************************** Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is -unique for the thread though! */ +unique for the thread though! +@return thread identifier as a number */ UNIV_INTERN ulint os_thread_pf( /*=========*/ - /* out: thread identifier as a number */ - os_thread_id_t a) /* in: OS thread identifier */ + os_thread_id_t a) /*!< in: OS thread identifier */ { #ifdef UNIV_HPUX10 /* In HP-UX-10.20 a pthread_t is a struct of 3 fields: field1, field2, @@ -83,12 +83,12 @@ os_thread_pf( /********************************************************************* Returns the thread identifier of current thread. Currently the thread identifier in Unix is the thread handle itself. Note that in HP-UX -pthread_t is a struct of 3 fields. */ +pthread_t is a struct of 3 fields. +@return current thread identifier */ UNIV_INTERN os_thread_id_t os_thread_get_curr_id(void) /*=======================*/ - /* out: current thread identifier */ { #ifdef __WIN__ return(GetCurrentThreadId()); @@ -100,21 +100,21 @@ os_thread_get_curr_id(void) /******************************************************************** Creates a new thread of execution. The execution starts from the function given. The start function takes a void* parameter -and returns an ulint. */ +and returns an ulint. +@return handle to the thread */ UNIV_INTERN os_thread_t os_thread_create( /*=============*/ - /* out: handle to the thread */ #ifndef __WIN__ os_posix_f_t start_f, #else - ulint (*start_f)(void*), /* in: pointer to function + ulint (*start_f)(void*), /*!< in: pointer to function from which to start */ #endif - void* arg, /* in: argument to start + void* arg, /*!< in: argument to start function */ - os_thread_id_t* thread_id) /* out: id of the created + os_thread_id_t* thread_id) /*!< out: id of the created thread, or NULL */ { #ifdef __WIN__ @@ -218,7 +218,7 @@ UNIV_INTERN void os_thread_exit( /*===========*/ - void* exit_value) /* in: exit value; in Windows this void* + void* exit_value) /*!< in: exit value; in Windows this void* is cast as a DWORD */ { #ifdef UNIV_DEBUG_THREAD_CREATION @@ -237,12 +237,12 @@ os_thread_exit( } /********************************************************************* -Returns handle to the current thread. */ +Returns handle to the current thread. +@return current thread handle */ UNIV_INTERN os_thread_t os_thread_get_curr(void) /*====================*/ - /* out: current thread handle */ { #ifdef __WIN__ return(GetCurrentThread()); @@ -278,7 +278,7 @@ UNIV_INTERN void os_thread_sleep( /*============*/ - ulint tm) /* in: time in microseconds */ + ulint tm) /*!< in: time in microseconds */ { #ifdef __WIN__ Sleep((DWORD) tm / 1000); @@ -301,8 +301,8 @@ UNIV_INTERN void os_thread_set_priority( /*===================*/ - os_thread_t handle, /* in: OS handle to the thread */ - ulint pri) /* in: priority */ + os_thread_t handle, /*!< in: OS handle to the thread */ + ulint pri) /*!< in: priority */ { #ifdef __WIN__ int os_pri; @@ -325,14 +325,14 @@ os_thread_set_priority( } /********************************************************************** -Gets a thread priority. */ +Gets a thread priority. +@return priority */ UNIV_INTERN ulint os_thread_get_priority( /*===================*/ - /* out: priority */ os_thread_t handle __attribute__((unused))) - /* in: OS handle to the thread */ + /*!< in: OS handle to the thread */ { #ifdef __WIN__ int os_pri; @@ -357,12 +357,12 @@ os_thread_get_priority( } /********************************************************************** -Gets the last operating system error code for the calling thread. */ +Gets the last operating system error code for the calling thread. +@return last error on Windows, 0 otherwise */ UNIV_INTERN ulint os_thread_get_last_error(void) /*==========================*/ - /* out: last error on Windows, 0 otherwise */ { #ifdef __WIN__ return(GetLastError()); diff --git a/page/page0cur.c b/page/page0cur.c index 11c130a35eb..c43b95d6dbf 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -49,12 +49,12 @@ X[0] = ut_time_us(NULL) a = 1103515245 (3^5 * 5 * 7 * 129749) c = 12345 (3 * 5 * 823) m = 18446744073709551616 (2^64) -*/ + +@return number between 0 and 2^64-1 */ static ib_uint64_t page_cur_lcg_prng(void) /*===================*/ - /* out: number between 0 and 2^64-1 */ { #define LCG_a 1103515245 #define LCG_c 12345 @@ -74,30 +74,30 @@ page_cur_lcg_prng(void) } /******************************************************************** -Tries a search shortcut based on the last insert. */ +Tries a search shortcut based on the last insert. +@return TRUE on success */ UNIV_INLINE ibool page_cur_try_search_shortcut( /*=========================*/ - /* out: TRUE on success */ - const buf_block_t* block, /* in: index page */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* tuple, /* in: data tuple */ + const buf_block_t* block, /*!< in: index page */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ ulint* iup_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in upper limit record */ ulint* iup_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ ulint* ilow_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in lower limit record */ ulint* ilow_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ - page_cur_t* cursor) /* out: page cursor */ + page_cur_t* cursor) /*!< out: page cursor */ { const rec_t* rec; const rec_t* next_rec; @@ -191,17 +191,16 @@ exit_func: /******************************************************************** Checks if the nth field in a record is a character type field which extends the nth field in tuple, i.e., the field is longer or equal in length and has -common first characters. */ +common first characters. +@return TRUE if rec field extends tuple field */ static ibool page_cur_rec_field_extends( /*=======================*/ - /* out: TRUE if rec field - extends tuple field */ - const dtuple_t* tuple, /* in: data tuple */ - const rec_t* rec, /* in: record */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint n) /* in: compare nth field */ + const dtuple_t* tuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: compare nth field */ { const dtype_t* type; const dfield_t* dfield; @@ -245,27 +244,27 @@ UNIV_INTERN void page_cur_search_with_match( /*=======================*/ - const buf_block_t* block, /* in: buffer block */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* tuple, /* in: data tuple */ - ulint mode, /* in: PAGE_CUR_L, + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ ulint* iup_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in upper limit record */ ulint* iup_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ ulint* ilow_matched_fields, - /* in/out: already matched + /*!< in/out: already matched fields in lower limit record */ ulint* ilow_matched_bytes, - /* in/out: already matched + /*!< in/out: already matched bytes in a field not yet completely matched */ - page_cur_t* cursor) /* out: page cursor */ + page_cur_t* cursor) /*!< out: page cursor */ { ulint up; ulint low; @@ -544,8 +543,8 @@ UNIV_INTERN void page_cur_open_on_rnd_user_rec( /*==========================*/ - buf_block_t* block, /* in: page */ - page_cur_t* cursor) /* out: page cursor */ + buf_block_t* block, /*!< in: page */ + page_cur_t* cursor) /*!< out: page cursor */ { ulint rnd; ulint n_recs = page_get_n_recs(buf_block_get_frame(block)); @@ -570,12 +569,12 @@ static void page_cur_insert_rec_write_log( /*==========================*/ - rec_t* insert_rec, /* in: inserted physical record */ - ulint rec_size, /* in: insert_rec size */ - rec_t* cursor_rec, /* in: record the + rec_t* insert_rec, /*!< in: inserted physical record */ + ulint rec_size, /*!< in: insert_rec size */ + rec_t* cursor_rec, /*!< in: record the cursor is pointing to */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mini-transaction handle */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { ulint cur_rec_size; ulint extra_size; @@ -750,18 +749,18 @@ need_extra_info: #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a log record of a record insert on a page. */ +Parses a log record of a record insert on a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_cur_parse_insert_rec( /*======================*/ - /* out: end of log record or NULL */ - ibool is_short,/* in: TRUE if short inserts */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr or NULL */ + ibool is_short,/*!< in: TRUE if short inserts */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ulint origin_offset; ulint end_seg_len; @@ -943,19 +942,18 @@ page_cur_parse_insert_rec( /*************************************************************** Inserts a record next to page cursor on an uncompressed page. Returns pointer to inserted record if succeed, i.e., enough -space available, NULL otherwise. The cursor stays at the same position. */ +space available, NULL otherwise. The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ UNIV_INTERN rec_t* page_cur_insert_rec_low( /*====================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - rec_t* current_rec,/* in: pointer to current record after + rec_t* current_rec,/*!< in: pointer to current record after which the new record is inserted */ - dict_index_t* index, /* in: record descriptor */ - const rec_t* rec, /* in: pointer to a physical record */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /* in: mini-transaction handle, or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ { byte* insert_buf; ulint rec_size; @@ -1154,20 +1152,20 @@ use_heap: } /*************************************************************** -Compresses or reorganizes a page after an optimistic insert. */ +Compresses or reorganizes a page after an optimistic insert. +@return rec if succeed, NULL otherwise */ static rec_t* page_cur_insert_rec_zip_reorg( /*==========================*/ - /* out: rec if succeed, NULL otherwise */ - rec_t** current_rec,/* in/out: pointer to current record after + rec_t** current_rec,/*!< in/out: pointer to current record after which the new record is inserted */ - buf_block_t* block, /* in: buffer block */ - dict_index_t* index, /* in: record descriptor */ - rec_t* rec, /* in: inserted record */ - page_t* page, /* in: uncompressed page */ - page_zip_des_t* page_zip,/* in: compressed page */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + buf_block_t* block, /*!< in: buffer block */ + dict_index_t* index, /*!< in: record descriptor */ + rec_t* rec, /*!< in: inserted record */ + page_t* page, /*!< in: uncompressed page */ + page_zip_des_t* page_zip,/*!< in: compressed page */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ { ulint pos; @@ -1207,20 +1205,19 @@ page_cur_insert_rec_zip_reorg( Inserts a record next to page cursor on a compressed and uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. -The cursor stays at the same position. */ +The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ UNIV_INTERN rec_t* page_cur_insert_rec_zip( /*====================*/ - /* out: pointer to record if succeed, NULL - otherwise */ - rec_t** current_rec,/* in/out: pointer to current record after + rec_t** current_rec,/*!< in/out: pointer to current record after which the new record is inserted */ - buf_block_t* block, /* in: buffer block of *current_rec */ - dict_index_t* index, /* in: record descriptor */ - const rec_t* rec, /* in: pointer to a physical record */ - ulint* offsets,/* in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /* in: mini-transaction handle, or NULL */ + buf_block_t* block, /*!< in: buffer block of *current_rec */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ { byte* insert_buf; ulint rec_size; @@ -1503,17 +1500,15 @@ use_heap: #ifndef UNIV_HOTBACKUP /************************************************************** -Writes a log record of copying a record list end to a new created page. */ +Writes a log record of copying a record list end to a new created page. +@return 4-byte field where to write the log data length, or NULL if logging is disabled */ UNIV_INLINE byte* page_copy_rec_list_to_created_page_write_log( /*=========================================*/ - /* out: 4-byte field where to - write the log data length, - or NULL if logging is disabled */ - page_t* page, /* in: index page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + page_t* page, /*!< in: index page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; @@ -1532,17 +1527,17 @@ page_copy_rec_list_to_created_page_write_log( #endif /* !UNIV_HOTBACKUP */ /************************************************************** -Parses a log record of copying a record list end to a new created page. */ +Parses a log record of copying a record list end to a new created page. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_copy_rec_list_to_created_page( /*=====================================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ { byte* rec_end; ulint log_data_len; @@ -1595,10 +1590,10 @@ UNIV_INTERN void page_copy_rec_list_end_to_created_page( /*===================================*/ - page_t* new_page, /* in/out: index page to copy to */ - rec_t* rec, /* in: first record to copy */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + page_t* new_page, /*!< in/out: index page to copy to */ + rec_t* rec, /*!< in: first record to copy */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_dir_slot_t* slot = 0; /* remove warning */ byte* heap_top; @@ -1767,9 +1762,9 @@ UNIV_INLINE void page_cur_delete_rec_write_log( /*==========================*/ - rec_t* rec, /* in: record to be deleted */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mini-transaction handle */ + rec_t* rec, /*!< in: record to be deleted */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { byte* log_ptr; @@ -1796,17 +1791,17 @@ page_cur_delete_rec_write_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses log record of a record delete on a page. */ +Parses log record of a record delete on a page. +@return pointer to record end or NULL */ UNIV_INTERN byte* page_cur_parse_delete_rec( /*======================*/ - /* out: pointer to record end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in: page or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ulint offset; page_cur_t cursor; @@ -1851,10 +1846,10 @@ UNIV_INTERN void page_cur_delete_rec( /*================*/ - page_cur_t* cursor, /* in/out: a page cursor */ - dict_index_t* index, /* in: record descriptor */ - const ulint* offsets,/* in: rec_get_offsets(cursor->rec, index) */ - mtr_t* mtr) /* in: mini-transaction handle */ + page_cur_t* cursor, /*!< in/out: a page cursor */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { page_dir_slot_t* cur_dir_slot; page_dir_slot_t* prev_slot; @@ -1970,7 +1965,7 @@ Print the first n numbers, generated by page_cur_lcg_prng() to make sure void test_page_cur_lcg_prng( /*===================*/ - int n) /* in: print first n numbers */ + int n) /*!< in: print first n numbers */ { int i; unsigned long long rnd; diff --git a/page/page0page.c b/page/page0page.c index 3217a44e065..c2a1ab7b609 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -83,13 +83,13 @@ index contains 300 index entries, and the size of the page directory is 50 x 4 bytes = 200 bytes. */ /******************************************************************* -Looks for the directory slot which owns the given record. */ +Looks for the directory slot which owns the given record. +@return the directory slot number */ UNIV_INTERN ulint page_dir_find_owner_slot( /*=====================*/ - /* out: the directory slot number */ - const rec_t* rec) /* in: the physical record */ + const rec_t* rec) /*!< in: the physical record */ { const page_t* page; register uint16 rec_offs_bytes; @@ -159,13 +159,13 @@ page_dir_find_owner_slot( } /****************************************************************** -Used to check the consistency of a directory slot. */ +Used to check the consistency of a directory slot. +@return TRUE if succeed */ static ibool page_dir_slot_check( /*================*/ - /* out: TRUE if succeed */ - page_dir_slot_t* slot) /* in: slot */ + page_dir_slot_t* slot) /*!< in: slot */ { page_t* page; ulint n_slots; @@ -207,10 +207,10 @@ UNIV_INTERN void page_set_max_trx_id( /*================*/ - buf_block_t* block, /* in/out: page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in/out: mini-transaction, or NULL */ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in/out: mini-transaction, or NULL */ { page_t* page = buf_block_get_frame(block); #ifndef UNIV_HOTBACKUP @@ -247,19 +247,18 @@ page_set_max_trx_id( } /**************************************************************** -Allocates a block of memory from the heap of an index page. */ +Allocates a block of memory from the heap of an index page. +@return pointer to start of allocated buffer, or NULL if allocation fails */ UNIV_INTERN byte* page_mem_alloc_heap( /*================*/ - /* out: pointer to start of allocated - buffer, or NULL if allocation fails */ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page with enough + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough space available for inserting the record, or NULL */ - ulint need, /* in: total number of bytes needed */ - ulint* heap_no)/* out: this contains the heap number + ulint need, /*!< in: total number of bytes needed */ + ulint* heap_no)/*!< out: this contains the heap number of the allocated record if allocation succeeds */ { @@ -292,10 +291,10 @@ UNIV_INLINE void page_create_write_log( /*==================*/ - buf_frame_t* frame, /* in: a buffer frame where the page is + buf_frame_t* frame, /*!< in: a buffer frame where the page is created */ - mtr_t* mtr, /* in: mini-transaction handle */ - ibool comp) /* in: TRUE=compact page format */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ibool comp) /*!< in: TRUE=compact page format */ { mlog_write_initial_log_record(frame, comp ? MLOG_COMP_PAGE_CREATE @@ -306,17 +305,17 @@ page_create_write_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of creating a page. */ +Parses a redo log record of creating a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_create( /*==============*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ - ulint comp, /* in: nonzero=compact page format */ - buf_block_t* block, /* in: block or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ut_ad(ptr && end_ptr); @@ -330,15 +329,15 @@ page_parse_create( } /************************************************************** -The index page creation function. */ +The index page creation function. +@return pointer to the page */ static page_t* page_create_low( /*============*/ - /* out: pointer to the page */ - buf_block_t* block, /* in: a buffer block where the + buf_block_t* block, /*!< in: a buffer block where the page is created */ - ulint comp) /* in: nonzero=compact page format */ + ulint comp) /*!< in: nonzero=compact page format */ { page_dir_slot_t* slot; mem_heap_t* heap; @@ -483,33 +482,33 @@ page_create_low( } /************************************************************** -Create an uncompressed B-tree index page. */ +Create an uncompressed B-tree index page. +@return pointer to the page */ UNIV_INTERN page_t* page_create( /*========*/ - /* out: pointer to the page */ - buf_block_t* block, /* in: a buffer block where the + buf_block_t* block, /*!< in: a buffer block where the page is created */ - mtr_t* mtr, /* in: mini-transaction handle */ - ulint comp) /* in: nonzero=compact page format */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ulint comp) /*!< in: nonzero=compact page format */ { page_create_write_log(buf_block_get_frame(block), mtr, comp); return(page_create_low(block, comp)); } /************************************************************** -Create a compressed B-tree index page. */ +Create a compressed B-tree index page. +@return pointer to the page */ UNIV_INTERN page_t* page_create_zip( /*============*/ - /* out: pointer to the page */ - buf_block_t* block, /* in/out: a buffer frame where the + buf_block_t* block, /*!< in/out: a buffer frame where the page is created */ - dict_index_t* index, /* in: the index of the page */ - ulint level, /* in: the B-tree level of the page */ - mtr_t* mtr) /* in: mini-transaction handle */ + dict_index_t* index, /*!< in: the index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mini-transaction handle */ { page_t* page; page_zip_des_t* page_zip = buf_block_get_page_zip(block); @@ -538,11 +537,11 @@ UNIV_INTERN void page_copy_rec_list_end_no_locks( /*============================*/ - buf_block_t* new_block, /* in: index page to copy to */ - buf_block_t* block, /* in: index page of rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in: index page to copy to */ + buf_block_t* block, /*!< in: index page of rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* new_page = buf_block_get_frame(new_block); page_cur_t cur1; @@ -606,20 +605,17 @@ page_copy_rec_list_end_no_locks( /***************************************************************** Copies records from page to new_page, from a given record onward, including that record. Infimum and supremum records are not copied. -The records are copied to the start of the record list on new_page. */ +The records are copied to the start of the record list on new_page. +@return pointer to the original successor of the infimum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_end( /*===================*/ - /* out: pointer to the original - successor of the infimum record - on new_page, or NULL on zip overflow - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page to copy to */ - buf_block_t* block, /* in: index page containing rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* new_page = buf_block_get_frame(new_block); page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); @@ -713,20 +709,17 @@ page_copy_rec_list_end( /***************************************************************** Copies records from page to new_page, up to the given record, NOT including that record. Infimum and supremum records are not copied. -The records are copied to the end of the record list on new_page. */ +The records are copied to the end of the record list on new_page. +@return pointer to the original predecessor of the supremum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_start( /*=====================*/ - /* out: pointer to the original - predecessor of the supremum record - on new_page, or NULL on zip overflow - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page to copy to */ - buf_block_t* block, /* in: index page containing rec */ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* new_page = buf_block_get_frame(new_block); page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); @@ -833,11 +826,11 @@ UNIV_INLINE void page_delete_rec_list_write_log( /*===========================*/ - rec_t* rec, /* in: record on page */ - dict_index_t* index, /* in: record descriptor */ - byte type, /* in: operation type: + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: operation type: MLOG_LIST_END_DELETE, ... */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; ut_ad(type == MLOG_LIST_END_DELETE @@ -857,21 +850,21 @@ page_delete_rec_list_write_log( #endif /* !UNIV_HOTBACKUP */ /************************************************************** -Parses a log record of a record list end or start deletion. */ +Parses a log record of a record list end or start deletion. +@return end of log record or NULL */ UNIV_INTERN byte* page_parse_delete_rec_list( /*=======================*/ - /* out: end of log record or NULL */ - byte type, /* in: MLOG_LIST_END_DELETE, + byte type, /*!< in: MLOG_LIST_END_DELETE, MLOG_LIST_START_DELETE, MLOG_COMP_LIST_END_DELETE or MLOG_COMP_LIST_START_DELETE */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - buf_block_t* block, /* in/out: buffer block or NULL */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ { page_t* page; ulint offset; @@ -919,15 +912,15 @@ UNIV_INTERN void page_delete_rec_list_end( /*=====================*/ - rec_t* rec, /* in: pointer to record on page */ - buf_block_t* block, /* in: buffer block of the page */ - dict_index_t* index, /* in: record descriptor */ - ulint n_recs, /* in: number of records to delete, + rec_t* rec, /*!< in: pointer to record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_recs, /*!< in: number of records to delete, or ULINT_UNDEFINED if not known */ - ulint size, /* in: the sum of the sizes of the + ulint size, /*!< in: the sum of the sizes of the records in the end of the chain to delete, or ULINT_UNDEFINED if not known */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { page_dir_slot_t*slot; ulint slot_index; @@ -1095,10 +1088,10 @@ UNIV_INTERN void page_delete_rec_list_start( /*=======================*/ - rec_t* rec, /* in: record on page */ - buf_block_t* block, /* in: buffer block of the page */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_cur_t cur1; ulint log_mode; @@ -1163,19 +1156,17 @@ page_delete_rec_list_start( #ifndef UNIV_HOTBACKUP /***************************************************************** Moves record list end to another page. Moved records include -split_rec. */ +split_rec. +@return TRUE on success; FALSE on compression failure (new_block will be decompressed) */ UNIV_INTERN ibool page_move_rec_list_end( /*===================*/ - /* out: TRUE on success; FALSE on - compression failure - (new_block will be decompressed) */ - buf_block_t* new_block, /* in/out: index page where to move */ - buf_block_t* block, /* in: index page from where to move */ - rec_t* split_rec, /* in: first record to move */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in: index page from where to move */ + rec_t* split_rec, /*!< in: first record to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { page_t* new_page = buf_block_get_frame(new_block); ulint old_data_size; @@ -1218,18 +1209,17 @@ page_move_rec_list_end( /***************************************************************** Moves record list start to another page. Moved records do not include -split_rec. */ +split_rec. +@return TRUE on success; FALSE on compression failure */ UNIV_INTERN ibool page_move_rec_list_start( /*=====================*/ - /* out: TRUE on success; FALSE on - compression failure */ - buf_block_t* new_block, /* in/out: index page where to move */ - buf_block_t* block, /* in/out: page containing split_rec */ - rec_t* split_rec, /* in: first record not to move */ - dict_index_t* index, /* in: record descriptor */ - mtr_t* mtr) /* in: mtr */ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in/out: page containing split_rec */ + rec_t* split_rec, /*!< in: first record not to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ { if (UNIV_UNLIKELY(!page_copy_rec_list_start(new_block, block, split_rec, index, mtr))) { @@ -1248,10 +1238,10 @@ UNIV_INTERN void page_rec_write_index_page_no( /*=========================*/ - rec_t* rec, /* in: record to update */ - ulint i, /* in: index of the field to update */ - ulint page_no,/* in: value to write */ - mtr_t* mtr) /* in: mtr */ + rec_t* rec, /*!< in: record to update */ + ulint i, /*!< in: index of the field to update */ + ulint page_no,/*!< in: value to write */ + mtr_t* mtr) /*!< in: mtr */ { byte* data; ulint len; @@ -1272,9 +1262,9 @@ UNIV_INLINE void page_dir_delete_slot( /*=================*/ - page_t* page, /* in/out: the index page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint slot_no)/* in: slot to be deleted */ + page_t* page, /*!< in/out: the index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: slot to be deleted */ { page_dir_slot_t* slot; ulint n_owned; @@ -1321,9 +1311,9 @@ UNIV_INLINE void page_dir_add_slot( /*==============*/ - page_t* page, /* in/out: the index page */ - page_zip_des_t* page_zip,/* in/out: comprssed page, or NULL */ - ulint start) /* in: the slot above which the new slots + page_t* page, /*!< in/out: the index page */ + page_zip_des_t* page_zip,/*!< in/out: comprssed page, or NULL */ + ulint start) /*!< in: the slot above which the new slots are added */ { page_dir_slot_t* slot; @@ -1348,10 +1338,10 @@ UNIV_INTERN void page_dir_split_slot( /*================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page whose + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed part will be written, or NULL */ - ulint slot_no)/* in: the directory slot */ + ulint slot_no)/*!< in: the directory slot */ { rec_t* rec; page_dir_slot_t* new_slot; @@ -1411,9 +1401,9 @@ UNIV_INTERN void page_dir_balance_slot( /*==================*/ - page_t* page, /* in/out: index page */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - ulint slot_no)/* in: the directory slot */ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: the directory slot */ { page_dir_slot_t* slot; page_dir_slot_t* up_slot; @@ -1477,13 +1467,13 @@ page_dir_balance_slot( #ifndef UNIV_HOTBACKUP /**************************************************************** Returns the middle record of the record list. If there are an even number -of records in the list, returns the first record of the upper half-list. */ +of records in the list, returns the first record of the upper half-list. +@return middle record */ UNIV_INTERN rec_t* page_get_middle_rec( /*================*/ - /* out: middle record */ - page_t* page) /* in: page */ + page_t* page) /*!< in: page */ { page_dir_slot_t* slot; ulint middle; @@ -1526,13 +1516,13 @@ page_get_middle_rec( /******************************************************************* Returns the number of records before the given record in chain. -The number includes infimum and supremum records. */ +The number includes infimum and supremum records. +@return number of records */ UNIV_INTERN ulint page_rec_get_n_recs_before( /*=======================*/ - /* out: number of records */ - const rec_t* rec) /* in: the physical record */ + const rec_t* rec) /*!< in: the physical record */ { const page_dir_slot_t* slot; const rec_t* slot_rec; @@ -1596,8 +1586,8 @@ UNIV_INTERN void page_rec_print( /*===========*/ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: record descriptor */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: record descriptor */ { ut_a(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); rec_print_new(stderr, rec, offsets); @@ -1626,8 +1616,8 @@ UNIV_INTERN void page_dir_print( /*===========*/ - page_t* page, /* in: index page */ - ulint pr_n) /* in: print n first and n last entries */ + page_t* page, /*!< in: index page */ + ulint pr_n) /*!< in: print n first and n last entries */ { ulint n; ulint i; @@ -1668,9 +1658,9 @@ UNIV_INTERN void page_print_list( /*============*/ - buf_block_t* block, /* in: index page */ - dict_index_t* index, /* in: dictionary index of the page */ - ulint pr_n) /* in: print n first and n last entries */ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint pr_n) /*!< in: print n first and n last entries */ { page_t* page = block->frame; page_cur_t cur; @@ -1766,11 +1756,11 @@ UNIV_INTERN void page_print( /*=======*/ - buf_block_t* block, /* in: index page */ - dict_index_t* index, /* in: dictionary index of the page */ - ulint dn, /* in: print dn first and last entries + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint dn, /*!< in: print dn first and last entries in directory */ - ulint rn) /* in: print rn first and last records + ulint rn) /*!< in: print rn first and last records in directory */ { page_t* page = block->frame; @@ -1784,14 +1774,14 @@ page_print( /******************************************************************* The following is used to validate a record on a page. This function differs from rec_validate as it can also check the n_owned field and -the heap_no field. */ +the heap_no field. +@return TRUE if ok */ UNIV_INTERN ibool page_rec_validate( /*==============*/ - /* out: TRUE if ok */ - rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint n_owned; ulint heap_no; @@ -1838,7 +1828,7 @@ UNIV_INTERN void page_check_dir( /*===========*/ - const page_t* page) /* in: index page */ + const page_t* page) /*!< in: index page */ { ulint n_slots; ulint infimum_offs; @@ -1870,13 +1860,13 @@ page_check_dir( /******************************************************************* This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash -even if the page is total garbage. */ +even if the page is total garbage. +@return TRUE if ok */ UNIV_INTERN ibool page_simple_validate_old( /*=====================*/ - /* out: TRUE if ok */ - page_t* page) /* in: old-style index page */ + page_t* page) /*!< in: old-style index page */ { page_dir_slot_t* slot; ulint slot_no; @@ -2080,13 +2070,13 @@ func_exit: /******************************************************************* This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash -even if the page is total garbage. */ +even if the page is total garbage. +@return TRUE if ok */ UNIV_INTERN ibool page_simple_validate_new( /*=====================*/ - /* out: TRUE if ok */ - page_t* page) /* in: new-style index page */ + page_t* page) /*!< in: new-style index page */ { page_dir_slot_t* slot; ulint slot_no; @@ -2289,14 +2279,14 @@ func_exit: } /******************************************************************* -This function checks the consistency of an index page. */ +This function checks the consistency of an index page. +@return TRUE if ok */ UNIV_INTERN ibool page_validate( /*==========*/ - /* out: TRUE if ok */ - page_t* page, /* in: index page */ - dict_index_t* index) /* in: data dictionary index containing + page_t* page, /*!< in: index page */ + dict_index_t* index) /*!< in: data dictionary index containing the page record type definition */ { page_dir_slot_t*slot; @@ -2564,14 +2554,14 @@ func_exit2: #ifndef UNIV_HOTBACKUP /******************************************************************* -Looks in the page record list for a record with the given heap number. */ +Looks in the page record list for a record with the given heap number. +@return record, NULL if not found */ UNIV_INTERN const rec_t* page_find_rec_with_heap_no( /*=======================*/ - /* out: record, NULL if not found */ - const page_t* page, /* in: index page */ - ulint heap_no)/* in: heap number */ + const page_t* page, /*!< in: index page */ + ulint heap_no)/*!< in: heap number */ { const rec_t* rec; diff --git a/page/page0zip.c b/page/page0zip.c index ba590f37a33..3ef172978d8 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -86,14 +86,14 @@ independently of any UNIV_ debugging conditions. */ # include __attribute__((format (printf, 1, 2))) /************************************************************************** -Report a failure to decompress or compress. */ +Report a failure to decompress or compress. +@return number of characters printed */ static int page_zip_fail_func( /*===============*/ - /* out: number of characters printed */ - const char* fmt, /* in: printf(3) format string */ - ...) /* in: arguments corresponding to fmt */ + const char* fmt, /*!< in: printf(3) format string */ + ...) /*!< in: arguments corresponding to fmt */ { int res; va_list ap; @@ -113,14 +113,14 @@ page_zip_fail_func( #ifndef UNIV_HOTBACKUP /************************************************************************** -Determine the guaranteed free space on an empty page. */ +Determine the guaranteed free space on an empty page. +@return minimum payload size on the page */ UNIV_INTERN ulint page_zip_empty_size( /*================*/ - /* out: minimum payload size on the page */ - ulint n_fields, /* in: number of columns in the index */ - ulint zip_size) /* in: compressed page size in bytes */ + ulint n_fields, /*!< in: number of columns in the index */ + ulint zip_size) /*!< in: compressed page size in bytes */ { lint size = zip_size /* subtract the page header and the longest @@ -139,14 +139,13 @@ page_zip_empty_size( /***************************************************************** Gets the size of the compressed page trailer (the dense page directory), -including deleted records (the free list). */ +including deleted records (the free list). +@return length of dense page directory, in bytes */ UNIV_INLINE ulint page_zip_dir_size( /*==============*/ - /* out: length of dense page - directory, in bytes */ - const page_zip_des_t* page_zip) /* in: compressed page */ + const page_zip_des_t* page_zip) /*!< in: compressed page */ { /* Exclude the page infimum and supremum from the record count. */ ulint size = PAGE_ZIP_DIR_SLOT_SIZE @@ -157,15 +156,13 @@ page_zip_dir_size( /***************************************************************** Gets the size of the compressed page trailer (the dense page directory), -only including user records (excluding the free list). */ +only including user records (excluding the free list). +@return length of dense page directory comprising existing records, in bytes */ UNIV_INLINE ulint page_zip_dir_user_size( /*===================*/ - /* out: length of dense page - directory comprising existing - records, in bytes */ - const page_zip_des_t* page_zip) /* in: compressed page */ + const page_zip_des_t* page_zip) /*!< in: compressed page */ { ulint size = PAGE_ZIP_DIR_SLOT_SIZE * page_get_n_recs(page_zip->data); @@ -174,16 +171,15 @@ page_zip_dir_user_size( } /***************************************************************** -Find the slot of the given record in the dense page directory. */ +Find the slot of the given record in the dense page directory. +@return dense directory slot, or NULL if record not found */ UNIV_INLINE byte* page_zip_dir_find_low( /*==================*/ - /* out: dense directory slot, - or NULL if record not found */ - byte* slot, /* in: start of records */ - byte* end, /* in: end of records */ - ulint offset) /* in: offset of user record */ + byte* slot, /*!< in: start of records */ + byte* end, /*!< in: end of records */ + ulint offset) /*!< in: offset of user record */ { ut_ad(slot <= end); @@ -198,15 +194,14 @@ page_zip_dir_find_low( } /***************************************************************** -Find the slot of the given non-free record in the dense page directory. */ +Find the slot of the given non-free record in the dense page directory. +@return dense directory slot, or NULL if record not found */ UNIV_INLINE byte* page_zip_dir_find( /*==============*/ - /* out: dense directory slot, - or NULL if record not found */ - page_zip_des_t* page_zip, /* in: compressed page */ - ulint offset) /* in: offset of user record */ + page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint offset) /*!< in: offset of user record */ { byte* end = page_zip->data + page_zip_get_size(page_zip); @@ -218,15 +213,14 @@ page_zip_dir_find( } /***************************************************************** -Find the slot of the given free record in the dense page directory. */ +Find the slot of the given free record in the dense page directory. +@return dense directory slot, or NULL if record not found */ UNIV_INLINE byte* page_zip_dir_find_free( /*===================*/ - /* out: dense directory slot, - or NULL if record not found */ - page_zip_des_t* page_zip, /* in: compressed page */ - ulint offset) /* in: offset of user record */ + page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint offset) /*!< in: offset of user record */ { byte* end = page_zip->data + page_zip_get_size(page_zip); @@ -238,18 +232,14 @@ page_zip_dir_find_free( } /***************************************************************** -Read a given slot in the dense page directory. */ +Read a given slot in the dense page directory. +@return record offset on the uncompressed page, possibly ORed with PAGE_ZIP_DIR_SLOT_DEL or PAGE_ZIP_DIR_SLOT_OWNED */ UNIV_INLINE ulint page_zip_dir_get( /*=============*/ - /* out: record offset - on the uncompressed page, - possibly ORed with - PAGE_ZIP_DIR_SLOT_DEL or - PAGE_ZIP_DIR_SLOT_OWNED */ - const page_zip_des_t* page_zip, /* in: compressed page */ - ulint slot) /* in: slot + const page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint slot) /*!< in: slot (0=first user record) */ { ut_ad(page_zip_simple_validate(page_zip)); @@ -265,10 +255,10 @@ static void page_zip_compress_write_log( /*========================*/ - const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page, /* in: uncompressed page */ - dict_index_t* index, /* in: index of the B-tree node */ - mtr_t* mtr) /* in: mini-transaction */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ { byte* log_ptr; ulint trailer_size; @@ -331,11 +321,11 @@ static ulint page_zip_get_n_prev_extern( /*=======================*/ - const page_zip_des_t* page_zip,/* in: dense page directory on + const page_zip_des_t* page_zip,/*!< in: dense page directory on compressed page */ - const rec_t* rec, /* in: compact physical record + const rec_t* rec, /*!< in: compact physical record on a B-tree leaf page */ - dict_index_t* index) /* in: record descriptor */ + dict_index_t* index) /*!< in: record descriptor */ { const page_t* page = page_align(rec); ulint n_ext = 0; @@ -374,14 +364,14 @@ page_zip_get_n_prev_extern( } /************************************************************************** -Encode the length of a fixed-length column. */ +Encode the length of a fixed-length column. +@return buf + length of encoded val */ static byte* page_zip_fixed_field_encode( /*========================*/ - /* out: buf + length of encoded val */ - byte* buf, /* in: pointer to buffer where to write */ - ulint val) /* in: value to write */ + byte* buf, /*!< in: pointer to buffer where to write */ + ulint val) /*!< in: value to write */ { ut_ad(val >= 2); @@ -402,18 +392,18 @@ page_zip_fixed_field_encode( } /************************************************************************** -Write the index information for the compressed page. */ +Write the index information for the compressed page. +@return used size of buf */ static ulint page_zip_fields_encode( /*===================*/ - /* out: used size of buf */ - ulint n, /* in: number of fields to compress */ - dict_index_t* index, /* in: index comprising at least n fields */ - ulint trx_id_pos,/* in: position of the trx_id column + ulint n, /*!< in: number of fields to compress */ + dict_index_t* index, /*!< in: index comprising at least n fields */ + ulint trx_id_pos,/*!< in: position of the trx_id column in the index, or ULINT_UNDEFINED if this is a non-leaf page */ - byte* buf) /* out: buffer of (n + 1) * 2 bytes */ + byte* buf) /*!< out: buffer of (n + 1) * 2 bytes */ { const byte* buf_start = buf; ulint i; @@ -535,10 +525,10 @@ static void page_zip_dir_encode( /*================*/ - const page_t* page, /* in: compact page */ - byte* buf, /* in: pointer to dense page directory[-1]; + const page_t* page, /*!< in: compact page */ + byte* buf, /*!< in: pointer to dense page directory[-1]; out: dense directory on compressed page */ - const rec_t** recs) /* in: pointer to an array of 0, or NULL; + const rec_t** recs) /*!< in: pointer to an array of 0, or NULL; out: dense page directory sorted by ascending address (and heap_no) */ { @@ -651,9 +641,9 @@ static void* page_zip_malloc( /*============*/ - void* opaque, /* in/out: memory heap */ - uInt items, /* in: number of items to allocate */ - uInt size) /* in: size of an item in bytes */ + void* opaque, /*!< in/out: memory heap */ + uInt items, /*!< in: number of items to allocate */ + uInt size) /*!< in: size of an item in bytes */ { return(mem_heap_alloc(opaque, items * size)); } @@ -664,8 +654,8 @@ static void page_zip_free( /*==========*/ - void* opaque __attribute__((unused)), /* in: memory heap */ - void* address __attribute__((unused)))/* in: object to free */ + void* opaque __attribute__((unused)), /*!< in: memory heap */ + void* address __attribute__((unused)))/*!< in: object to free */ { } @@ -675,8 +665,8 @@ UNIV_INTERN void page_zip_set_alloc( /*===============*/ - void* stream, /* in/out: zlib stream */ - mem_heap_t* heap) /* in: memory heap to use */ + void* stream, /*!< in/out: zlib stream */ + mem_heap_t* heap) /*!< in: memory heap to use */ { z_stream* strm = stream; @@ -705,9 +695,9 @@ static ibool page_zip_compress_deflate( /*======================*/ - FILE* logfile,/* in: log file, or NULL */ - z_streamp strm, /* in/out: compressed stream for deflate() */ - int flush) /* in: deflate() flushing method */ + FILE* logfile,/*!< in: log file, or NULL */ + z_streamp strm, /*!< in/out: compressed stream for deflate() */ + int flush) /*!< in: deflate() flushing method */ { int status; if (UNIV_UNLIKELY(page_zip_compress_dbg)) { @@ -734,20 +724,20 @@ page_zip_compress_deflate( #endif /* PAGE_ZIP_COMPRESS_DBG */ /************************************************************************** -Compress the records of a node pointer page. */ +Compress the records of a node pointer page. +@return Z_OK, or a zlib error code */ static int page_zip_compress_node_ptrs( /*========================*/ - /* out: Z_OK, or a zlib error code */ FILE_LOGFILE - z_stream* c_stream, /* in/out: compressed page stream */ - const rec_t** recs, /* in: dense page directory + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense, /* in: size of recs[] */ - dict_index_t* index, /* in: the index of the page */ - byte* storage, /* in: end of dense page directory */ - mem_heap_t* heap) /* in: temporary memory heap */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + byte* storage, /*!< in: end of dense page directory */ + mem_heap_t* heap) /*!< in: temporary memory heap */ { int err = Z_OK; ulint* offsets = NULL; @@ -799,17 +789,17 @@ page_zip_compress_node_ptrs( } /************************************************************************** -Compress the records of a leaf node of a secondary index. */ +Compress the records of a leaf node of a secondary index. +@return Z_OK, or a zlib error code */ static int page_zip_compress_sec( /*==================*/ - /* out: Z_OK, or a zlib error code */ FILE_LOGFILE - z_stream* c_stream, /* in/out: compressed page stream */ - const rec_t** recs, /* in: dense page directory + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense) /* in: size of recs[] */ + ulint n_dense) /*!< in: size of recs[] */ { int err = Z_OK; @@ -844,23 +834,23 @@ page_zip_compress_sec( /************************************************************************** Compress a record of a leaf node of a clustered index that contains -externally stored columns. */ +externally stored columns. +@return Z_OK, or a zlib error code */ static int page_zip_compress_clust_ext( /*========================*/ - /* out: Z_OK, or a zlib error code */ FILE_LOGFILE - z_stream* c_stream, /* in/out: compressed page stream */ - const rec_t* rec, /* in: record */ - const ulint* offsets, /* in: rec_get_offsets(rec) */ - ulint trx_id_col, /* in: position of of DB_TRX_ID */ - byte* deleted, /* in: dense directory entry pointing + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ + byte* deleted, /*!< in: dense directory entry pointing to the head of the free list */ - byte* storage, /* in: end of dense page directory */ - byte** externs, /* in/out: pointer to the next + byte* storage, /*!< in: end of dense page directory */ + byte** externs, /*!< in/out: pointer to the next available BLOB pointer */ - ulint* n_blobs) /* in/out: number of + ulint* n_blobs) /*!< in/out: number of externally stored columns */ { int err; @@ -971,25 +961,25 @@ page_zip_compress_clust_ext( } /************************************************************************** -Compress the records of a leaf node of a clustered index. */ +Compress the records of a leaf node of a clustered index. +@return Z_OK, or a zlib error code */ static int page_zip_compress_clust( /*====================*/ - /* out: Z_OK, or a zlib error code */ FILE_LOGFILE - z_stream* c_stream, /* in/out: compressed page stream */ - const rec_t** recs, /* in: dense page directory + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense, /* in: size of recs[] */ - dict_index_t* index, /* in: the index of the page */ - ulint* n_blobs, /* in: 0; out: number of + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* n_blobs, /*!< in: 0; out: number of externally stored columns */ - ulint trx_id_col, /* index of the trx_id column */ - byte* deleted, /* in: dense directory entry pointing + ulint trx_id_col, /*!< index of the trx_id column */ + byte* deleted, /*!< in: dense directory entry pointing to the head of the free list */ - byte* storage, /* in: end of dense page directory */ - mem_heap_t* heap) /* in: temporary memory heap */ + byte* storage, /*!< in: end of dense page directory */ + mem_heap_t* heap) /*!< in: temporary memory heap */ { int err = Z_OK; ulint* offsets = NULL; @@ -1104,18 +1094,17 @@ func_exit: } /************************************************************************** -Compress a page. */ +Compress a page. +@return TRUE on success, FALSE on failure; page_zip will be left intact on failure. */ UNIV_INTERN ibool page_zip_compress( /*==============*/ - /* out: TRUE on success, FALSE on failure; - page_zip will be left intact on failure. */ - page_zip_des_t* page_zip,/* in: size; out: data, n_blobs, + page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, m_start, m_end, m_nonempty */ - const page_t* page, /* in: uncompressed page */ - dict_index_t* index, /* in: index of the B-tree node */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ { z_stream c_stream; int err; @@ -1402,14 +1391,14 @@ err_exit: } /************************************************************************** -Compare two page directory entries. */ +Compare two page directory entries. +@return positive if rec1 > rec2 */ UNIV_INLINE ibool page_zip_dir_cmp( /*=============*/ - /* out: positive if rec1 > rec2 */ - const rec_t* rec1, /* in: rec1 */ - const rec_t* rec2) /* in: rec2 */ + const rec_t* rec1, /*!< in: rec1 */ + const rec_t* rec2) /*!< in: rec2 */ { return(rec1 > rec2); } @@ -1420,10 +1409,10 @@ static void page_zip_dir_sort( /*==============*/ - rec_t** arr, /* in/out: dense page directory */ - rec_t** aux_arr,/* in/out: work area */ - ulint low, /* in: lower bound of the sorting area, inclusive */ - ulint high) /* in: upper bound of the sorting area, exclusive */ + rec_t** arr, /*!< in/out: dense page directory */ + rec_t** aux_arr,/*!< in/out: work area */ + ulint low, /*!< in: lower bound of the sorting area, inclusive */ + ulint high) /*!< in: upper bound of the sorting area, exclusive */ { UT_SORT_FUNCTION_BODY(page_zip_dir_sort, arr, aux_arr, low, high, page_zip_dir_cmp); @@ -1435,7 +1424,7 @@ static void page_zip_fields_free( /*=================*/ - dict_index_t* index) /* in: dummy index to be freed */ + dict_index_t* index) /*!< in: dummy index to be freed */ { if (index) { dict_table_t* table = index->table; @@ -1446,16 +1435,15 @@ page_zip_fields_free( } /************************************************************************** -Read the index information for the compressed page. */ +Read the index information for the compressed page. +@return own: dummy index describing the page, or NULL on error */ static dict_index_t* page_zip_fields_decode( /*===================*/ - /* out,own: dummy index describing the page, - or NULL on error */ - const byte* buf, /* in: index information */ - const byte* end, /* in: end of buf */ - ulint* trx_id_col)/* in: NULL for non-leaf pages; + const byte* buf, /*!< in: index information */ + const byte* end, /*!< in: end of buf */ + ulint* trx_id_col)/*!< in: NULL for non-leaf pages; for leaf pages, pointer to where to store the position of the trx_id column */ { @@ -1563,22 +1551,21 @@ page_zip_fields_decode( } /************************************************************************** -Populate the sparse page directory from the dense directory. */ +Populate the sparse page directory from the dense directory. +@return TRUE on success, FALSE on failure */ static ibool page_zip_dir_decode( /*================*/ - /* out: TRUE on success, - FALSE on failure */ - const page_zip_des_t* page_zip,/* in: dense page directory on + const page_zip_des_t* page_zip,/*!< in: dense page directory on compressed page */ - page_t* page, /* in: compact page with valid header; + page_t* page, /*!< in: compact page with valid header; out: trailer and sparse page directory filled in */ - rec_t** recs, /* out: dense page directory sorted by + rec_t** recs, /*!< out: dense page directory sorted by ascending address (and heap_no) */ - rec_t** recs_aux,/* in/out: scratch area */ - ulint n_dense)/* in: number of user records, and + rec_t** recs_aux,/*!< in/out: scratch area */ + ulint n_dense)/*!< in: number of user records, and size of recs[] and recs_aux[] */ { ulint i; @@ -1661,16 +1648,15 @@ page_zip_dir_decode( } /************************************************************************** -Initialize the REC_N_NEW_EXTRA_BYTES of each record. */ +Initialize the REC_N_NEW_EXTRA_BYTES of each record. +@return TRUE on success, FALSE on failure */ static ibool page_zip_set_extra_bytes( /*=====================*/ - /* out: TRUE on success, - FALSE on failure */ - const page_zip_des_t* page_zip,/* in: compressed page */ - page_t* page, /* in/out: uncompressed page */ - ulint info_bits)/* in: REC_INFO_MIN_REC_FLAG or 0 */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + page_t* page, /*!< in/out: uncompressed page */ + ulint info_bits)/*!< in: REC_INFO_MIN_REC_FLAG or 0 */ { ulint n; ulint i; @@ -1760,18 +1746,17 @@ page_zip_set_extra_bytes( /************************************************************************** Apply the modification log to a record containing externally stored -columns. Do not copy the fields that are stored separately. */ +columns. Do not copy the fields that are stored separately. +@return pointer to modification log, or NULL on failure */ static const byte* page_zip_apply_log_ext( /*===================*/ - /* out: pointer to modification log, - or NULL on failure */ - rec_t* rec, /* in/out: record */ - const ulint* offsets, /* in: rec_get_offsets(rec) */ - ulint trx_id_col, /* in: position of of DB_TRX_ID */ - const byte* data, /* in: modification log */ - const byte* end) /* in: end of modification log */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ + const byte* data, /*!< in: modification log */ + const byte* end) /*!< in: end of modification log */ { ulint i; ulint len; @@ -1850,26 +1835,25 @@ page_zip_apply_log_ext( /************************************************************************** Apply the modification log to an uncompressed page. -Do not copy the fields that are stored separately. */ +Do not copy the fields that are stored separately. +@return pointer to end of modification log, or NULL on failure */ static const byte* page_zip_apply_log( /*===============*/ - /* out: pointer to end of modification log, - or NULL on failure */ - const byte* data, /* in: modification log */ - ulint size, /* in: maximum length of the log, in bytes */ - rec_t** recs, /* in: dense page directory, + const byte* data, /*!< in: modification log */ + ulint size, /*!< in: maximum length of the log, in bytes */ + rec_t** recs, /*!< in: dense page directory, sorted by address (indexed by heap_no - PAGE_HEAP_NO_USER_LOW) */ - ulint n_dense,/* in: size of recs[] */ - ulint trx_id_col,/* in: column number of trx_id in the index, + ulint n_dense,/*!< in: size of recs[] */ + ulint trx_id_col,/*!< in: column number of trx_id in the index, or ULINT_UNDEFINED if none */ ulint heap_status, - /* in: heap_no and status bits for + /*!< in: heap_no and status bits for the next record to uncompress */ - dict_index_t* index, /* in: index of the page */ - ulint* offsets)/* in/out: work area for + dict_index_t* index, /*!< in: index of the page */ + ulint* offsets)/*!< in/out: work area for rec_get_offsets_reverse() */ { const byte* const end = data + size; @@ -2051,21 +2035,20 @@ page_zip_apply_log( } /************************************************************************** -Decompress the records of a node pointer page. */ +Decompress the records of a node pointer page. +@return TRUE on success, FALSE on failure */ static ibool page_zip_decompress_node_ptrs( /*==========================*/ - /* out: TRUE on success, - FALSE on failure */ - page_zip_des_t* page_zip, /* in/out: compressed page */ - z_stream* d_stream, /* in/out: compressed page stream */ - rec_t** recs, /* in: dense page directory + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense, /* in: size of recs[] */ - dict_index_t* index, /* in: the index of the page */ - ulint* offsets, /* in/out: temporary offsets */ - mem_heap_t* heap) /* in: temporary memory heap */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* offsets, /*!< in/out: temporary offsets */ + mem_heap_t* heap) /*!< in: temporary memory heap */ { ulint heap_status = REC_STATUS_NODE_PTR | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; @@ -2245,20 +2228,19 @@ zlib_done: } /************************************************************************** -Decompress the records of a leaf node of a secondary index. */ +Decompress the records of a leaf node of a secondary index. +@return TRUE on success, FALSE on failure */ static ibool page_zip_decompress_sec( /*====================*/ - /* out: TRUE on success, - FALSE on failure */ - page_zip_des_t* page_zip, /* in/out: compressed page */ - z_stream* d_stream, /* in/out: compressed page stream */ - rec_t** recs, /* in: dense page directory + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense, /* in: size of recs[] */ - dict_index_t* index, /* in: the index of the page */ - ulint* offsets) /* in/out: temporary offsets */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* offsets) /*!< in/out: temporary offsets */ { ulint heap_status = REC_STATUS_ORDINARY | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; @@ -2388,16 +2370,16 @@ zlib_done: /************************************************************************** Decompress a record of a leaf node of a clustered index that contains -externally stored columns. */ +externally stored columns. +@return TRUE on success */ static ibool page_zip_decompress_clust_ext( /*==========================*/ - /* out: TRUE on success */ - z_stream* d_stream, /* in/out: compressed page stream */ - rec_t* rec, /* in/out: record */ - const ulint* offsets, /* in: rec_get_offsets(rec) */ - ulint trx_id_col) /* in: position of of DB_TRX_ID */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col) /*!< in: position of of DB_TRX_ID */ { ulint i; @@ -2496,22 +2478,21 @@ page_zip_decompress_clust_ext( } /************************************************************************** -Compress the records of a leaf node of a clustered index. */ +Compress the records of a leaf node of a clustered index. +@return TRUE on success, FALSE on failure */ static ibool page_zip_decompress_clust( /*======================*/ - /* out: TRUE on success, - FALSE on failure */ - page_zip_des_t* page_zip, /* in/out: compressed page */ - z_stream* d_stream, /* in/out: compressed page stream */ - rec_t** recs, /* in: dense page directory + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory sorted by address */ - ulint n_dense, /* in: size of recs[] */ - dict_index_t* index, /* in: the index of the page */ - ulint trx_id_col, /* index of the trx_id column */ - ulint* offsets, /* in/out: temporary offsets */ - mem_heap_t* heap) /* in: temporary memory heap */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint trx_id_col, /*!< index of the trx_id column */ + ulint* offsets, /*!< in/out: temporary offsets */ + mem_heap_t* heap) /*!< in: temporary memory heap */ { int err; ulint slot; @@ -2798,15 +2779,15 @@ zlib_done: /************************************************************************** Decompress a page. This function should tolerate errors on the compressed page. Instead of letting assertions fail, it will return FALSE if an -inconsistency is detected. */ +inconsistency is detected. +@return TRUE on success, FALSE on failure */ UNIV_INTERN ibool page_zip_decompress( /*================*/ - /* out: TRUE on success, FALSE on failure */ - page_zip_des_t* page_zip,/* in: data, ssize; + page_zip_des_t* page_zip,/*!< in: data, ssize; out: m_start, m_end, m_nonempty, n_blobs */ - page_t* page) /* out: uncompressed page, may be trashed */ + page_t* page) /*!< out: uncompressed page, may be trashed */ { z_stream d_stream; dict_index_t* index = NULL; @@ -2991,9 +2972,9 @@ static void page_zip_hexdump_func( /*==================*/ - const char* name, /* in: name of the data structure */ - const void* buf, /* in: data */ - ulint size) /* in: length of the data, in bytes */ + const char* name, /*!< in: name of the data structure */ + const void* buf, /*!< in: data */ + ulint size) /*!< in: length of the data, in bytes */ { const byte* s = buf; ulint addr; @@ -3022,15 +3003,15 @@ page_zip_hexdump_func( UNIV_INTERN ibool page_zip_validate_header_only = FALSE; /************************************************************************** -Check that the compressed and decompressed pages match. */ +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ UNIV_INTERN ibool page_zip_validate_low( /*==================*/ - /* out: TRUE if valid, FALSE if not */ - const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page, /* in: uncompressed page */ - ibool sloppy) /* in: FALSE=strict, + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + ibool sloppy) /*!< in: FALSE=strict, TRUE=ignore the MIN_REC_FLAG */ { page_zip_des_t temp_page_zip; @@ -3159,14 +3140,14 @@ func_exit: } /************************************************************************** -Check that the compressed and decompressed pages match. */ +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ UNIV_INTERN ibool page_zip_validate( /*==============*/ - /* out: TRUE if valid, FALSE if not */ - const page_zip_des_t* page_zip,/* in: compressed page */ - const page_t* page) /* in: uncompressed page */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page) /*!< in: uncompressed page */ { return(page_zip_validate_low(page_zip, page, recv_recovery_is_on())); @@ -3175,14 +3156,14 @@ page_zip_validate( #ifdef UNIV_DEBUG /************************************************************************** -Assert that the compressed and decompressed page headers match. */ +Assert that the compressed and decompressed page headers match. +@return TRUE */ static ibool page_zip_header_cmp( /*================*/ - /* out: TRUE */ - const page_zip_des_t* page_zip,/* in: compressed page */ - const byte* page) /* in: uncompressed page */ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const byte* page) /*!< in: uncompressed page */ { ut_ad(!memcmp(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, FIL_PAGE_LSN - FIL_PAGE_PREV)); @@ -3197,22 +3178,22 @@ page_zip_header_cmp( /************************************************************************** Write a record on the compressed page that contains externally stored -columns. The data must already have been written to the uncompressed page. */ +columns. The data must already have been written to the uncompressed page. +@return end of modification log */ static byte* page_zip_write_rec_ext( /*===================*/ - /* out: end of modification log */ - page_zip_des_t* page_zip, /* in/out: compressed page */ - const page_t* page, /* in: page containing rec */ - const byte* rec, /* in: record being written */ - dict_index_t* index, /* in: record descriptor */ - const ulint* offsets, /* in: rec_get_offsets(rec, index) */ - ulint create, /* in: nonzero=insert, zero=update */ - ulint trx_id_col, /* in: position of DB_TRX_ID */ - ulint heap_no, /* in: heap number of rec */ - byte* storage, /* in: end of dense page directory */ - byte* data) /* in: end of modification log */ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + const page_t* page, /*!< in: page containing rec */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ulint create, /*!< in: nonzero=insert, zero=update */ + ulint trx_id_col, /*!< in: position of DB_TRX_ID */ + ulint heap_no, /*!< in: heap number of rec */ + byte* storage, /*!< in: end of dense page directory */ + byte* data) /*!< in: end of modification log */ { const byte* start = rec; ulint i; @@ -3324,11 +3305,11 @@ UNIV_INTERN void page_zip_write_rec( /*===============*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record being written */ - dict_index_t* index, /* in: the index the record belongs to */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint create) /* in: nonzero=insert, zero=update */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint create) /*!< in: nonzero=insert, zero=update */ { const page_t* page; byte* data; @@ -3506,16 +3487,16 @@ page_zip_write_rec( } /*************************************************************** -Parses a log record of writing a BLOB pointer of a record. */ +Parses a log record of writing a BLOB pointer of a record. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_blob_ptr( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip)/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ { ulint offset; ulint z_offset; @@ -3571,13 +3552,13 @@ UNIV_INTERN void page_zip_write_blob_ptr( /*====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in/out: record whose data is being + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in/out: record whose data is being written */ - dict_index_t* index, /* in: index of the page */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint n, /* in: column index */ - mtr_t* mtr) /* in: mini-transaction handle, + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint n, /*!< in: column index */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL if no logging is needed */ { const byte* field; @@ -3649,16 +3630,16 @@ page_zip_write_blob_ptr( } /*************************************************************** -Parses a log record of writing the node pointer of a record. */ +Parses a log record of writing the node pointer of a record. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_node_ptr( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip)/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ { ulint offset; ulint z_offset; @@ -3731,11 +3712,11 @@ UNIV_INTERN void page_zip_write_node_ptr( /*====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in/out: record */ - ulint size, /* in: data size of rec */ - ulint ptr, /* in: node pointer */ - mtr_t* mtr) /* in: mini-transaction, or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + ulint size, /*!< in: data size of rec */ + ulint ptr, /*!< in: node pointer */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ { byte* field; byte* storage; @@ -3798,12 +3779,12 @@ UNIV_INTERN void page_zip_write_trx_id_and_roll_ptr( /*===============================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in/out: record */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint trx_id_col,/* in: column number of TRX_ID in rec */ - trx_id_t trx_id, /* in: transaction identifier */ - roll_ptr_t roll_ptr)/* in: roll_ptr */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ + trx_id_t trx_id, /*!< in: transaction identifier */ + roll_ptr_t roll_ptr)/*!< in: roll_ptr */ { byte* field; byte* storage; @@ -3873,10 +3854,10 @@ static void page_zip_clear_rec( /*===============*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in: record to clear */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: record to clear */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint heap_no; page_t* page = page_align(rec); @@ -3980,9 +3961,9 @@ UNIV_INTERN void page_zip_rec_set_deleted( /*=====================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the deleted flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ { byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); ut_a(slot); @@ -4004,9 +3985,9 @@ UNIV_INTERN void page_zip_rec_set_owned( /*===================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* rec, /* in: record on the uncompressed page */ - ulint flag) /* in: the owned flag (nonzero=TRUE) */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ { byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); ut_a(slot); @@ -4024,11 +4005,11 @@ UNIV_INTERN void page_zip_dir_insert( /*================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - const byte* prev_rec,/* in: record after which to insert */ - const byte* free_rec,/* in: record from which rec was + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* prev_rec,/*!< in: record after which to insert */ + const byte* free_rec,/*!< in: record from which rec was allocated, or NULL */ - byte* rec) /* in: record to insert */ + byte* rec) /*!< in: record to insert */ { ulint n_dense; byte* slot_rec; @@ -4103,11 +4084,11 @@ UNIV_INTERN void page_zip_dir_delete( /*================*/ - page_zip_des_t* page_zip,/* in/out: compressed page */ - byte* rec, /* in: record to delete */ - dict_index_t* index, /* in: index of rec */ - const ulint* offsets,/* in: rec_get_offsets(rec) */ - const byte* free) /* in: previous start of the free list */ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: record to delete */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ { byte* slot_rec; byte* slot_free; @@ -4200,8 +4181,8 @@ UNIV_INTERN void page_zip_dir_add_slot( /*==================*/ - page_zip_des_t* page_zip, /* in/out: compressed page */ - ulint is_clustered) /* in: nonzero for clustered index, + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, zero for others */ { ulint n_dense; @@ -4251,16 +4232,16 @@ page_zip_dir_add_slot( } /*************************************************************** -Parses a log record of writing to the header of a page. */ +Parses a log record of writing to the header of a page. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_write_header( /*========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: redo log buffer */ - byte* end_ptr,/* in: redo log buffer end */ - page_t* page, /* in/out: uncompressed page */ - page_zip_des_t* page_zip)/* in/out: compressed page */ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ { ulint offset; ulint len; @@ -4315,9 +4296,9 @@ UNIV_INTERN void page_zip_write_header_log( /*======================*/ - const byte* data, /* in: data on the uncompressed page */ - ulint length, /* in: length of the data */ - mtr_t* mtr) /* in: mini-transaction */ + const byte* data, /*!< in: data on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction */ { byte* log_ptr = mlog_open(mtr, 11 + 1 + 1); ulint offset = page_offset(data); @@ -4353,20 +4334,18 @@ The function btr_page_reorganize() should be preferred whenever possible. IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the modification -will be redo-logged. */ +will be redo-logged. +@return TRUE on success, FALSE on failure; page and page_zip will be left intact on failure. */ UNIV_INTERN ibool page_zip_reorganize( /*================*/ - /* out: TRUE on success, FALSE on failure; - page and page_zip will be left intact - on failure. */ - buf_block_t* block, /* in/out: page with compressed page; + buf_block_t* block, /*!< in/out: page with compressed page; on the compressed page, in: size; out: data, n_blobs, m_start, m_end, m_nonempty */ - dict_index_t* index, /* in: index of the B-tree node */ - mtr_t* mtr) /* in: mini-transaction */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ { page_zip_des_t* page_zip = buf_block_get_page_zip(block); page_t* page = buf_block_get_frame(block); @@ -4448,14 +4427,14 @@ UNIV_INTERN void page_zip_copy_recs( /*===============*/ - page_zip_des_t* page_zip, /* out: copy of src_zip + page_zip_des_t* page_zip, /*!< out: copy of src_zip (n_blobs, m_start, m_end, m_nonempty, data[0..size-1]) */ - page_t* page, /* out: copy of src */ - const page_zip_des_t* src_zip, /* in: compressed page */ - const page_t* src, /* in: page */ - dict_index_t* index, /* in: index of the B-tree */ - mtr_t* mtr) /* in: mini-transaction */ + page_t* page, /*!< out: copy of src */ + const page_zip_des_t* src_zip, /*!< in: compressed page */ + const page_t* src, /*!< in: page */ + dict_index_t* index, /*!< in: index of the B-tree */ + mtr_t* mtr) /*!< in: mini-transaction */ { ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); ut_ad(mtr_memo_contains_page(mtr, (page_t*) src, MTR_MEMO_PAGE_X_FIX)); @@ -4534,16 +4513,16 @@ page_zip_copy_recs( #endif /* !UNIV_HOTBACKUP */ /************************************************************************** -Parses a log record of compressing an index page. */ +Parses a log record of compressing an index page. +@return end of log record or NULL */ UNIV_INTERN byte* page_zip_parse_compress( /*====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* out: uncompressed page */ - page_zip_des_t* page_zip)/* out: compressed page */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< out: uncompressed page */ + page_zip_des_t* page_zip)/*!< out: compressed page */ { ulint size; ulint trailer_size; @@ -4594,14 +4573,14 @@ corrupt: } /************************************************************************** -Calculate the compressed page checksum. */ +Calculate the compressed page checksum. +@return page checksum */ UNIV_INTERN ulint page_zip_calc_checksum( /*===================*/ - /* out: page checksum */ - const void* data, /* in: compressed page */ - ulint size) /* in: size of compressed page */ + const void* data, /*!< in: compressed page */ + ulint size) /*!< in: size of compressed page */ { /* Exclude FIL_PAGE_SPACE_OR_CHKSUM, FIL_PAGE_LSN, and FIL_PAGE_FILE_FLUSH_LSN from the checksum. */ diff --git a/pars/pars0opt.c b/pars/pars0opt.c index 34246929c53..7ba7591ebe6 100644 --- a/pars/pars0opt.c +++ b/pars/pars0opt.c @@ -48,14 +48,13 @@ Created 12/21/1997 Heikki Tuuri /*********************************************************************** -Inverts a comparison operator. */ +Inverts a comparison operator. +@return the equivalent operator when the order of the arguments is switched */ static int opt_invert_cmp_op( /*==============*/ - /* out: the equivalent operator when the order of - the arguments is switched */ - int op) /* in: operator */ + int op) /*!< in: operator */ { if (op == '<') { return('>'); @@ -77,15 +76,15 @@ opt_invert_cmp_op( /*********************************************************************** Checks if the value of an expression can be calculated BEFORE the nth table in a join is accessed. If this is the case, it can possibly be used in an -index search for the nth table. */ +index search for the nth table. +@return TRUE if already determined */ static ibool opt_check_exp_determined_before( /*============================*/ - /* out: TRUE if already determined */ - que_node_t* exp, /* in: expression */ - sel_node_t* sel_node, /* in: select node */ - ulint nth_table) /* in: nth table will be accessed */ + que_node_t* exp, /*!< in: expression */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table) /*!< in: nth table will be accessed */ { func_node_t* func_node; sym_node_t* sym_node; @@ -136,22 +135,20 @@ opt_check_exp_determined_before( /*********************************************************************** Looks in a comparison condition if a column value is already restricted by -it BEFORE the nth table is accessed. */ +it BEFORE the nth table is accessed. +@return expression restricting the value of the column, or NULL if not known */ static que_node_t* opt_look_for_col_in_comparison_before( /*==================================*/ - /* out: expression restricting the - value of the column, or NULL if not - known */ - ulint cmp_type, /* in: OPT_EQUAL, OPT_COMPARISON */ - ulint col_no, /* in: column number */ - func_node_t* search_cond, /* in: comparison condition */ - sel_node_t* sel_node, /* in: select node */ - ulint nth_table, /* in: nth table in a join (a query + ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ + ulint col_no, /*!< in: column number */ + func_node_t* search_cond, /*!< in: comparison condition */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table, /*!< in: nth table in a join (a query from a single table is considered a join of 1 table) */ - ulint* op) /* out: comparison operator ('=', + ulint* op) /*!< out: comparison operator ('=', PARS_GE_TOKEN, ... ); this is inverted if the column appears on the right side */ @@ -235,22 +232,20 @@ opt_look_for_col_in_comparison_before( Looks in a search condition if a column value is already restricted by the search condition BEFORE the nth table is accessed. Takes into account that if we will fetch in an ascending order, we cannot utilize an upper limit for -a column value; in a descending order, respectively, a lower limit. */ +a column value; in a descending order, respectively, a lower limit. +@return expression restricting the value of the column, or NULL if not known */ static que_node_t* opt_look_for_col_in_cond_before( /*============================*/ - /* out: expression restricting the - value of the column, or NULL if not - known */ - ulint cmp_type, /* in: OPT_EQUAL, OPT_COMPARISON */ - ulint col_no, /* in: column number */ - func_node_t* search_cond, /* in: search condition or NULL */ - sel_node_t* sel_node, /* in: select node */ - ulint nth_table, /* in: nth table in a join (a query + ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ + ulint col_no, /*!< in: column number */ + func_node_t* search_cond, /*!< in: search condition or NULL */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table, /*!< in: nth table in a join (a query from a single table is considered a join of 1 table) */ - ulint* op) /* out: comparison operator ('=', + ulint* op) /*!< out: comparison operator ('=', PARS_GE_TOKEN, ... ) */ { func_node_t* new_cond; @@ -315,18 +310,18 @@ goodness is 4 times the number of first fields in index whose values we already know exactly in the query. If we have a comparison condition for an additional field, 2 point are added. If the index is unique, and we know all the unique fields for the index we add 1024 points. For a clustered index -we add 1 point. */ +we add 1 point. +@return goodness */ static ulint opt_calc_index_goodness( /*====================*/ - /* out: goodness */ - dict_index_t* index, /* in: index */ - sel_node_t* sel_node, /* in: parsed select node */ - ulint nth_table, /* in: nth table in a join */ - que_node_t** index_plan, /* in/out: comparison expressions for + dict_index_t* index, /*!< in: index */ + sel_node_t* sel_node, /*!< in: parsed select node */ + ulint nth_table, /*!< in: nth table in a join */ + que_node_t** index_plan, /*!< in/out: comparison expressions for this index */ - ulint* last_op) /* out: last comparison operator, if + ulint* last_op) /*!< out: last comparison operator, if goodness > 1 */ { que_node_t* exp; @@ -394,29 +389,28 @@ opt_calc_index_goodness( } /*********************************************************************** -Calculates the number of matched fields based on an index goodness. */ +Calculates the number of matched fields based on an index goodness. +@return number of excatly or partially matched fields */ UNIV_INLINE ulint opt_calc_n_fields_from_goodness( /*============================*/ - /* out: number of excatly or partially matched - fields */ - ulint goodness) /* in: goodness */ + ulint goodness) /*!< in: goodness */ { return(((goodness % 1024) + 2) / 4); } /*********************************************************************** Converts a comparison operator to the corresponding search mode PAGE_CUR_GE, -... */ +... +@return search mode */ UNIV_INLINE ulint opt_op_to_search_mode( /*==================*/ - /* out: search mode */ - ibool asc, /* in: TRUE if the rows should be fetched in an + ibool asc, /*!< in: TRUE if the rows should be fetched in an ascending order */ - ulint op) /* in: operator '=', PARS_GE_TOKEN, ... */ + ulint op) /*!< in: operator '=', PARS_GE_TOKEN, ... */ { if (op == '=') { if (asc) { @@ -444,14 +438,14 @@ opt_op_to_search_mode( } /*********************************************************************** -Determines if a node is an argument node of a function node. */ +Determines if a node is an argument node of a function node. +@return TRUE if is an argument */ static ibool opt_is_arg( /*=======*/ - /* out: TRUE if is an argument */ - que_node_t* arg_node, /* in: possible argument node */ - func_node_t* func_node) /* in: function node */ + que_node_t* arg_node, /*!< in: possible argument node */ + func_node_t* func_node) /*!< in: function node */ { que_node_t* arg; @@ -477,7 +471,7 @@ static void opt_check_order_by( /*===============*/ - sel_node_t* sel_node) /* in: select node; asserts an error + sel_node_t* sel_node) /*!< in: select node; asserts an error if the plan does not agree with the order-by */ { @@ -529,9 +523,9 @@ static void opt_search_plan_for_table( /*======================*/ - sel_node_t* sel_node, /* in: parsed select node */ - ulint i, /* in: this is the ith table */ - dict_table_t* table) /* in: table */ + sel_node_t* sel_node, /*!< in: parsed select node */ + ulint i, /*!< in: this is the ith table */ + dict_table_t* table) /*!< in: table */ { plan_t* plan; dict_index_t* index; @@ -619,20 +613,15 @@ opt_search_plan_for_table( /*********************************************************************** Looks at a comparison condition and decides if it can, and need, be tested for -a table AFTER the table has been accessed. */ +a table AFTER the table has been accessed. +@return OPT_NOT_COND if not for this table, else OPT_END_COND, OPT_TEST_COND, or OPT_SCROLL_COND, where the last means that the condition need not be tested, except when scroll cursors are used */ static ulint opt_classify_comparison( /*====================*/ - /* out: OPT_NOT_COND if not for this - table, else OPT_END_COND, - OPT_TEST_COND, or OPT_SCROLL_COND, - where the last means that the - condition need not be tested, except - when scroll cursors are used */ - sel_node_t* sel_node, /* in: select node */ - ulint i, /* in: ith table in the join */ - func_node_t* cond) /* in: comparison condition */ + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* cond) /*!< in: comparison condition */ { plan_t* plan; ulint n_fields; @@ -719,9 +708,9 @@ static void opt_find_test_conds( /*================*/ - sel_node_t* sel_node, /* in: select node */ - ulint i, /* in: ith table in the join */ - func_node_t* cond) /* in: conjunction of search + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* cond) /*!< in: conjunction of search conditions or NULL */ { func_node_t* new_cond; @@ -766,9 +755,9 @@ static void opt_normalize_cmp_conds( /*====================*/ - func_node_t* cond, /* in: first in a list of comparison + func_node_t* cond, /*!< in: first in a list of comparison conditions, or NULL */ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { que_node_t* arg1; que_node_t* arg2; @@ -808,8 +797,8 @@ static void opt_determine_and_normalize_test_conds( /*===================================*/ - sel_node_t* sel_node, /* in: select node */ - ulint i) /* in: ith table in the join */ + sel_node_t* sel_node, /*!< in: select node */ + ulint i) /*!< in: ith table in the join */ { plan_t* plan; @@ -839,13 +828,13 @@ UNIV_INTERN void opt_find_all_cols( /*==============*/ - ibool copy_val, /* in: if TRUE, new found columns are + ibool copy_val, /*!< in: if TRUE, new found columns are added as columns to copy */ - dict_index_t* index, /* in: index of the table to use */ - sym_node_list_t* col_list, /* in: base node of a list where + dict_index_t* index, /*!< in: index of the table to use */ + sym_node_list_t* col_list, /*!< in: base node of a list where to add new found columns */ - plan_t* plan, /* in: plan or NULL */ - que_node_t* exp) /* in: expression or condition or + plan_t* plan, /*!< in: plan or NULL */ + que_node_t* exp) /*!< in: expression or condition or NULL */ { func_node_t* func_node; @@ -946,9 +935,9 @@ static void opt_find_copy_cols( /*===============*/ - sel_node_t* sel_node, /* in: select node */ - ulint i, /* in: ith table in the join */ - func_node_t* search_cond) /* in: search condition or NULL */ + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* search_cond) /*!< in: search condition or NULL */ { func_node_t* new_cond; plan_t* plan; @@ -994,8 +983,8 @@ static void opt_classify_cols( /*==============*/ - sel_node_t* sel_node, /* in: select node */ - ulint i) /* in: ith table in the join */ + sel_node_t* sel_node, /*!< in: select node */ + ulint i) /*!< in: ith table in the join */ { plan_t* plan; que_node_t* exp; @@ -1036,8 +1025,8 @@ static void opt_clust_access( /*=============*/ - sel_node_t* sel_node, /* in: select node */ - ulint n) /* in: nth table in select */ + sel_node_t* sel_node, /*!< in: select node */ + ulint n) /*!< in: nth table in select */ { plan_t* plan; dict_table_t* table; @@ -1109,7 +1098,7 @@ UNIV_INTERN void opt_search_plan( /*============*/ - sel_node_t* sel_node) /* in: parsed select node */ + sel_node_t* sel_node) /*!< in: parsed select node */ { sym_node_t* table_node; dict_table_t* table; @@ -1182,7 +1171,7 @@ UNIV_INTERN void opt_print_query_plan( /*=================*/ - sel_node_t* sel_node) /* in: select node */ + sel_node_t* sel_node) /*!< in: select node */ { plan_t* plan; ulint n_fields; diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 55272cc5c5e..5a2c4629445 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -98,13 +98,13 @@ UNIV_INTERN ulint pars_star_denoter = PARS_STAR_DENOTER; /************************************************************************* -Determines the class of a function code. */ +Determines the class of a function code. +@return function class: PARS_FUNC_ARITH, ... */ static ulint pars_func_get_class( /*================*/ - /* out: function class: PARS_FUNC_ARITH, ... */ - int func) /* in: function code: '=', PARS_GE_TOKEN, ... */ + int func) /*!< in: function code: '=', PARS_GE_TOKEN, ... */ { switch (func) { case '+': case '-': case '*': case '/': @@ -143,14 +143,14 @@ pars_func_get_class( } /************************************************************************* -Parses an operator or predefined function expression. */ +Parses an operator or predefined function expression. +@return own: function node in a query tree */ static func_node_t* pars_func_low( /*==========*/ - /* out, own: function node in a query tree */ - int func, /* in: function token code */ - que_node_t* arg) /* in: first argument in the argument list */ + int func, /*!< in: function token code */ + que_node_t* arg) /*!< in: first argument in the argument list */ { func_node_t* node; @@ -172,28 +172,28 @@ pars_func_low( } /************************************************************************* -Parses a function expression. */ +Parses a function expression. +@return own: function node in a query tree */ UNIV_INTERN func_node_t* pars_func( /*======*/ - /* out, own: function node in a query tree */ - que_node_t* res_word,/* in: function name reserved word */ - que_node_t* arg) /* in: first argument in the argument list */ + que_node_t* res_word,/*!< in: function name reserved word */ + que_node_t* arg) /*!< in: first argument in the argument list */ { return(pars_func_low(((pars_res_word_t*)res_word)->code, arg)); } /************************************************************************* -Parses an operator expression. */ +Parses an operator expression. +@return own: function node in a query tree */ UNIV_INTERN func_node_t* pars_op( /*====*/ - /* out, own: function node in a query tree */ - int func, /* in: operator token code */ - que_node_t* arg1, /* in: first argument */ - que_node_t* arg2) /* in: second argument or NULL for an unary + int func, /*!< in: operator token code */ + que_node_t* arg1, /*!< in: first argument */ + que_node_t* arg2) /*!< in: second argument or NULL for an unary operator */ { que_node_list_add_last(NULL, arg1); @@ -206,14 +206,14 @@ pars_op( } /************************************************************************* -Parses an ORDER BY clause. Order by a single column only is supported. */ +Parses an ORDER BY clause. Order by a single column only is supported. +@return own: order-by node in a query tree */ UNIV_INTERN order_node_t* pars_order_by( /*==========*/ - /* out, own: order-by node in a query tree */ - sym_node_t* column, /* in: column name */ - pars_res_word_t* asc) /* in: &pars_asc_token or pars_desc_token */ + sym_node_t* column, /*!< in: column name */ + pars_res_word_t* asc) /*!< in: &pars_asc_token or pars_desc_token */ { order_node_t* node; @@ -235,13 +235,13 @@ pars_order_by( /************************************************************************* Determine if a data type is a built-in string data type of the InnoDB -SQL parser. */ +SQL parser. +@return TRUE if string data type */ static ibool pars_is_string_type( /*================*/ - /* out: TRUE if string data type */ - ulint mtype) /* in: main data type */ + ulint mtype) /*!< in: main data type */ { switch (mtype) { case DATA_VARCHAR: case DATA_CHAR: @@ -259,7 +259,7 @@ static void pars_resolve_func_data_type( /*========================*/ - func_node_t* node) /* in: function node */ + func_node_t* node) /*!< in: function node */ { que_node_t* arg; @@ -352,11 +352,11 @@ static void pars_resolve_exp_variables_and_types( /*=================================*/ - sel_node_t* select_node, /* in: select node or NULL; if + sel_node_t* select_node, /*!< in: select node or NULL; if this is not NULL then the variable sym nodes are added to the copy_variables list of select_node */ - que_node_t* exp_node) /* in: expression */ + que_node_t* exp_node) /*!< in: expression */ { func_node_t* func_node; que_node_t* arg; @@ -443,8 +443,8 @@ static void pars_resolve_exp_list_variables_and_types( /*======================================*/ - sel_node_t* select_node, /* in: select node or NULL */ - que_node_t* exp_node) /* in: expression list first node, or + sel_node_t* select_node, /*!< in: select node or NULL */ + que_node_t* exp_node) /*!< in: expression list first node, or NULL */ { while (exp_node) { @@ -460,8 +460,8 @@ static void pars_resolve_exp_columns( /*=====================*/ - sym_node_t* table_node, /* in: first node in a table list */ - que_node_t* exp_node) /* in: expression */ + sym_node_t* table_node, /*!< in: first node in a table list */ + que_node_t* exp_node) /*!< in: expression */ { func_node_t* func_node; que_node_t* arg; @@ -541,8 +541,8 @@ static void pars_resolve_exp_list_columns( /*==========================*/ - sym_node_t* table_node, /* in: first node in a table list */ - que_node_t* exp_node) /* in: expression list first node, or + sym_node_t* table_node, /*!< in: first node in a table list */ + que_node_t* exp_node) /*!< in: expression list first node, or NULL */ { while (exp_node) { @@ -558,7 +558,7 @@ static void pars_retrieve_table_def( /*====================*/ - sym_node_t* sym_node) /* in: table node */ + sym_node_t* sym_node) /*!< in: table node */ { const char* table_name; @@ -576,13 +576,13 @@ pars_retrieve_table_def( } /************************************************************************* -Retrieves the table definitions for a list of table name ids. */ +Retrieves the table definitions for a list of table name ids. +@return number of tables */ static ulint pars_retrieve_table_list_defs( /*==========================*/ - /* out: number of tables */ - sym_node_t* sym_node) /* in: first table node in list */ + sym_node_t* sym_node) /*!< in: first table node in list */ { ulint count = 0; @@ -608,7 +608,7 @@ static void pars_select_all_columns( /*====================*/ - sel_node_t* select_node) /* in: select node already containing + sel_node_t* select_node) /*!< in: select node already containing the table list */ { sym_node_t* col_node; @@ -641,15 +641,14 @@ pars_select_all_columns( /************************************************************************* Parses a select list; creates a query graph node for the whole SELECT -statement. */ +statement. +@return own: select node in a query tree */ UNIV_INTERN sel_node_t* pars_select_list( /*=============*/ - /* out, own: select node in a query - tree */ - que_node_t* select_list, /* in: select list */ - sym_node_t* into_list) /* in: variables list or NULL */ + que_node_t* select_list, /*!< in: select list */ + sym_node_t* into_list) /*!< in: variables list or NULL */ { sel_node_t* node; @@ -670,7 +669,7 @@ static void pars_check_aggregate( /*=================*/ - sel_node_t* select_node) /* in: select node already containing + sel_node_t* select_node) /*!< in: select node already containing the select list */ { que_node_t* exp_node; @@ -707,20 +706,19 @@ pars_check_aggregate( } /************************************************************************* -Parses a select statement. */ +Parses a select statement. +@return own: select node in a query tree */ UNIV_INTERN sel_node_t* pars_select_statement( /*==================*/ - /* out, own: select node in a query - tree */ - sel_node_t* select_node, /* in: select node already containing + sel_node_t* select_node, /*!< in: select node already containing the select list */ - sym_node_t* table_list, /* in: table list */ - que_node_t* search_cond, /* in: search condition or NULL */ - pars_res_word_t* for_update, /* in: NULL or &pars_update_token */ - pars_res_word_t* lock_shared, /* in: NULL or &pars_share_token */ - order_node_t* order_by) /* in: NULL or an order-by node */ + sym_node_t* table_list, /*!< in: table list */ + que_node_t* search_cond, /*!< in: search condition or NULL */ + pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ + pars_res_word_t* lock_shared, /*!< in: NULL or &pars_share_token */ + order_node_t* order_by) /*!< in: NULL or an order-by node */ { select_node->state = SEL_NODE_OPEN; @@ -791,15 +789,15 @@ pars_select_statement( } /************************************************************************* -Parses a cursor declaration. */ +Parses a cursor declaration. +@return sym_node */ UNIV_INTERN que_node_t* pars_cursor_declaration( /*====================*/ - /* out: sym_node */ - sym_node_t* sym_node, /* in: cursor id node in the symbol + sym_node_t* sym_node, /*!< in: cursor id node in the symbol table */ - sel_node_t* select_node) /* in: select node */ + sel_node_t* select_node) /*!< in: select node */ { sym_node->resolved = TRUE; sym_node->token_type = SYM_CURSOR; @@ -812,13 +810,13 @@ pars_cursor_declaration( } /************************************************************************* -Parses a function declaration. */ +Parses a function declaration. +@return sym_node */ UNIV_INTERN que_node_t* pars_function_declaration( /*======================*/ - /* out: sym_node */ - sym_node_t* sym_node) /* in: function id node in the symbol + sym_node_t* sym_node) /*!< in: function id node in the symbol table */ { sym_node->resolved = TRUE; @@ -832,16 +830,15 @@ pars_function_declaration( } /************************************************************************* -Parses a delete or update statement start. */ +Parses a delete or update statement start. +@return own: update node in a query tree */ UNIV_INTERN upd_node_t* pars_update_statement_start( /*========================*/ - /* out, own: update node in a query - tree */ - ibool is_delete, /* in: TRUE if delete */ - sym_node_t* table_sym, /* in: table name node */ - col_assign_node_t* col_assign_list)/* in: column assignment list, NULL + ibool is_delete, /*!< in: TRUE if delete */ + sym_node_t* table_sym, /*!< in: table name node */ + col_assign_node_t* col_assign_list)/*!< in: column assignment list, NULL if delete */ { upd_node_t* node; @@ -857,14 +854,14 @@ pars_update_statement_start( } /************************************************************************* -Parses a column assignment in an update. */ +Parses a column assignment in an update. +@return column assignment node */ UNIV_INTERN col_assign_node_t* pars_column_assignment( /*===================*/ - /* out: column assignment node */ - sym_node_t* column, /* in: column to assign */ - que_node_t* exp) /* in: value to assign */ + sym_node_t* column, /*!< in: column to assign */ + que_node_t* exp) /*!< in: value to assign */ { col_assign_node_t* node; @@ -884,7 +881,7 @@ static void pars_process_assign_list( /*=====================*/ - upd_node_t* node) /* in: update node */ + upd_node_t* node) /*!< in: update node */ { col_assign_node_t* col_assign_list; sym_node_t* table_sym; @@ -966,17 +963,16 @@ pars_process_assign_list( } /************************************************************************* -Parses an update or delete statement. */ +Parses an update or delete statement. +@return own: update node in a query tree */ UNIV_INTERN upd_node_t* pars_update_statement( /*==================*/ - /* out, own: update node in a query - tree */ - upd_node_t* node, /* in: update node */ - sym_node_t* cursor_sym, /* in: pointer to a cursor entry in + upd_node_t* node, /*!< in: update node */ + sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in the symbol table or NULL */ - que_node_t* search_cond) /* in: search condition or NULL */ + que_node_t* search_cond) /*!< in: search condition or NULL */ { sym_node_t* table_sym; sel_node_t* sel_node; @@ -1053,16 +1049,15 @@ pars_update_statement( } /************************************************************************* -Parses an insert statement. */ +Parses an insert statement. +@return own: update node in a query tree */ UNIV_INTERN ins_node_t* pars_insert_statement( /*==================*/ - /* out, own: update node in a query - tree */ - sym_node_t* table_sym, /* in: table name node */ - que_node_t* values_list, /* in: value expression list or NULL */ - sel_node_t* select) /* in: select condition or NULL */ + sym_node_t* table_sym, /*!< in: table name node */ + que_node_t* values_list, /*!< in: value expression list or NULL */ + sel_node_t* select) /*!< in: select condition or NULL */ { ins_node_t* node; dtuple_t* row; @@ -1116,13 +1111,13 @@ static void pars_set_dfield_type( /*=================*/ - dfield_t* dfield, /* in: dfield */ - pars_res_word_t* type, /* in: pointer to a type + dfield_t* dfield, /*!< in: dfield */ + pars_res_word_t* type, /*!< in: pointer to a type token */ - ulint len, /* in: length, or 0 */ - ibool is_unsigned, /* in: if TRUE, column is + ulint len, /*!< in: length, or 0 */ + ibool is_unsigned, /*!< in: if TRUE, column is UNSIGNED. */ - ibool is_not_null) /* in: if TRUE, column is + ibool is_not_null) /*!< in: if TRUE, column is NOT NULL. */ { ulint flags = 0; @@ -1161,16 +1156,15 @@ pars_set_dfield_type( } /************************************************************************* -Parses a variable declaration. */ +Parses a variable declaration. +@return own: symbol table node of type SYM_VAR */ UNIV_INTERN sym_node_t* pars_variable_declaration( /*======================*/ - /* out, own: symbol table node of type - SYM_VAR */ - sym_node_t* node, /* in: symbol table node allocated for the + sym_node_t* node, /*!< in: symbol table node allocated for the id of the variable */ - pars_res_word_t* type) /* in: pointer to a type token */ + pars_res_word_t* type) /*!< in: pointer to a type token */ { node->resolved = TRUE; node->token_type = SYM_VAR; @@ -1183,18 +1177,17 @@ pars_variable_declaration( } /************************************************************************* -Parses a procedure parameter declaration. */ +Parses a procedure parameter declaration. +@return own: symbol table node of type SYM_VAR */ UNIV_INTERN sym_node_t* pars_parameter_declaration( /*=======================*/ - /* out, own: symbol table node of type - SYM_VAR */ - sym_node_t* node, /* in: symbol table node allocated for the + sym_node_t* node, /*!< in: symbol table node allocated for the id of the parameter */ ulint param_type, - /* in: PARS_INPUT or PARS_OUTPUT */ - pars_res_word_t* type) /* in: pointer to a type token */ + /*!< in: PARS_INPUT or PARS_OUTPUT */ + pars_res_word_t* type) /*!< in: pointer to a type token */ { ut_a((param_type == PARS_INPUT) || (param_type == PARS_OUTPUT)); @@ -1211,8 +1204,8 @@ static void pars_set_parent_in_list( /*====================*/ - que_node_t* node_list, /* in: first node in a list */ - que_node_t* parent) /* in: parent value to set in all + que_node_t* node_list, /*!< in: first node in a list */ + que_node_t* parent) /*!< in: parent value to set in all nodes of the list */ { que_common_t* common; @@ -1227,14 +1220,14 @@ pars_set_parent_in_list( } /************************************************************************* -Parses an elsif element. */ +Parses an elsif element. +@return elsif node */ UNIV_INTERN elsif_node_t* pars_elsif_element( /*===============*/ - /* out: elsif node */ - que_node_t* cond, /* in: if-condition */ - que_node_t* stat_list) /* in: statement list */ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list) /*!< in: statement list */ { elsif_node_t* node; @@ -1252,15 +1245,15 @@ pars_elsif_element( } /************************************************************************* -Parses an if-statement. */ +Parses an if-statement. +@return if-statement node */ UNIV_INTERN if_node_t* pars_if_statement( /*==============*/ - /* out: if-statement node */ - que_node_t* cond, /* in: if-condition */ - que_node_t* stat_list, /* in: statement list */ - que_node_t* else_part) /* in: else-part statement list + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list, /*!< in: statement list */ + que_node_t* else_part) /*!< in: else-part statement list or elsif element list */ { if_node_t* node; @@ -1303,14 +1296,14 @@ pars_if_statement( } /************************************************************************* -Parses a while-statement. */ +Parses a while-statement. +@return while-statement node */ UNIV_INTERN while_node_t* pars_while_statement( /*=================*/ - /* out: while-statement node */ - que_node_t* cond, /* in: while-condition */ - que_node_t* stat_list) /* in: statement list */ + que_node_t* cond, /*!< in: while-condition */ + que_node_t* stat_list) /*!< in: statement list */ { while_node_t* node; @@ -1330,16 +1323,16 @@ pars_while_statement( } /************************************************************************* -Parses a for-loop-statement. */ +Parses a for-loop-statement. +@return for-statement node */ UNIV_INTERN for_node_t* pars_for_statement( /*===============*/ - /* out: for-statement node */ - sym_node_t* loop_var, /* in: loop variable */ - que_node_t* loop_start_limit,/* in: loop start expression */ - que_node_t* loop_end_limit, /* in: loop end expression */ - que_node_t* stat_list) /* in: statement list */ + sym_node_t* loop_var, /*!< in: loop variable */ + que_node_t* loop_start_limit,/*!< in: loop start expression */ + que_node_t* loop_end_limit, /*!< in: loop end expression */ + que_node_t* stat_list) /*!< in: statement list */ { for_node_t* node; @@ -1366,12 +1359,12 @@ pars_for_statement( } /************************************************************************* -Parses an exit statement. */ +Parses an exit statement. +@return exit statement node */ UNIV_INTERN exit_node_t* pars_exit_statement(void) /*=====================*/ - /* out: exit statement node */ { exit_node_t* node; @@ -1382,12 +1375,12 @@ pars_exit_statement(void) } /************************************************************************* -Parses a return-statement. */ +Parses a return-statement. +@return return-statement node */ UNIV_INTERN return_node_t* pars_return_statement(void) /*=======================*/ - /* out: return-statement node */ { return_node_t* node; @@ -1399,14 +1392,14 @@ pars_return_statement(void) } /************************************************************************* -Parses an assignment statement. */ +Parses an assignment statement. +@return assignment statement node */ UNIV_INTERN assign_node_t* pars_assignment_statement( /*======================*/ - /* out: assignment statement node */ - sym_node_t* var, /* in: variable to assign */ - que_node_t* val) /* in: value to assign */ + sym_node_t* var, /*!< in: variable to assign */ + que_node_t* val) /*!< in: value to assign */ { assign_node_t* node; @@ -1427,14 +1420,14 @@ pars_assignment_statement( } /************************************************************************* -Parses a procedure call. */ +Parses a procedure call. +@return function node */ UNIV_INTERN func_node_t* pars_procedure_call( /*================*/ - /* out: function node */ - que_node_t* res_word,/* in: procedure name reserved word */ - que_node_t* args) /* in: argument list */ + que_node_t* res_word,/*!< in: procedure name reserved word */ + que_node_t* args) /*!< in: argument list */ { func_node_t* node; @@ -1447,15 +1440,15 @@ pars_procedure_call( /************************************************************************* Parses a fetch statement. into_list or user_func (but not both) must be -non-NULL. */ +non-NULL. +@return fetch statement node */ UNIV_INTERN fetch_node_t* pars_fetch_statement( /*=================*/ - /* out: fetch statement node */ - sym_node_t* cursor, /* in: cursor node */ - sym_node_t* into_list, /* in: variables to set, or NULL */ - sym_node_t* user_func) /* in: user function name, or NULL */ + sym_node_t* cursor, /*!< in: cursor node */ + sym_node_t* into_list, /*!< in: variables to set, or NULL */ + sym_node_t* user_func) /*!< in: user function name, or NULL */ { sym_node_t* cursor_decl; fetch_node_t* node; @@ -1498,15 +1491,15 @@ pars_fetch_statement( } /************************************************************************* -Parses an open or close cursor statement. */ +Parses an open or close cursor statement. +@return fetch statement node */ UNIV_INTERN open_node_t* pars_open_statement( /*================*/ - /* out: fetch statement node */ - ulint type, /* in: ROW_SEL_OPEN_CURSOR + ulint type, /*!< in: ROW_SEL_OPEN_CURSOR or ROW_SEL_CLOSE_CURSOR */ - sym_node_t* cursor) /* in: cursor node */ + sym_node_t* cursor) /*!< in: cursor node */ { sym_node_t* cursor_decl; open_node_t* node; @@ -1528,13 +1521,13 @@ pars_open_statement( } /************************************************************************* -Parses a row_printf-statement. */ +Parses a row_printf-statement. +@return row_printf-statement node */ UNIV_INTERN row_printf_node_t* pars_row_printf_statement( /*======================*/ - /* out: row_printf-statement node */ - sel_node_t* sel_node) /* in: select node */ + sel_node_t* sel_node) /*!< in: select node */ { row_printf_node_t* node; @@ -1550,43 +1543,42 @@ pars_row_printf_statement( } /************************************************************************* -Parses a commit statement. */ +Parses a commit statement. +@return own: commit node struct */ UNIV_INTERN commit_node_t* pars_commit_statement(void) /*=======================*/ - /* out, own: commit node struct */ { return(commit_node_create(pars_sym_tab_global->heap)); } /************************************************************************* -Parses a rollback statement. */ +Parses a rollback statement. +@return own: rollback node struct */ UNIV_INTERN roll_node_t* pars_rollback_statement(void) /*=========================*/ - /* out, own: rollback node struct */ { return(roll_node_create(pars_sym_tab_global->heap)); } /************************************************************************* -Parses a column definition at a table creation. */ +Parses a column definition at a table creation. +@return column sym table node */ UNIV_INTERN sym_node_t* pars_column_def( /*============*/ - /* out: column sym table - node */ - sym_node_t* sym_node, /* in: column node in the + sym_node_t* sym_node, /*!< in: column node in the symbol table */ - pars_res_word_t* type, /* in: data type */ - sym_node_t* len, /* in: length of column, or + pars_res_word_t* type, /*!< in: data type */ + sym_node_t* len, /*!< in: length of column, or NULL */ - void* is_unsigned, /* in: if not NULL, column + void* is_unsigned, /*!< in: if not NULL, column is of type UNSIGNED. */ - void* is_not_null) /* in: if not NULL, column + void* is_not_null) /*!< in: if not NULL, column is of type NOT NULL. */ { ulint len2; @@ -1604,17 +1596,17 @@ pars_column_def( } /************************************************************************* -Parses a table creation operation. */ +Parses a table creation operation. +@return table create subgraph */ UNIV_INTERN tab_node_t* pars_create_table( /*==============*/ - /* out: table create subgraph */ - sym_node_t* table_sym, /* in: table name node in the symbol + sym_node_t* table_sym, /*!< in: table name node in the symbol table */ - sym_node_t* column_defs, /* in: list of column names */ + sym_node_t* column_defs, /*!< in: list of column names */ void* not_fit_in_memory __attribute__((unused))) - /* in: a non-NULL pointer means that + /*!< in: a non-NULL pointer means that this is a table which in simulations should be simulated as not fitting in memory; thread is put to sleep @@ -1666,19 +1658,19 @@ pars_create_table( } /************************************************************************* -Parses an index creation operation. */ +Parses an index creation operation. +@return index create subgraph */ UNIV_INTERN ind_node_t* pars_create_index( /*==============*/ - /* out: index create subgraph */ - pars_res_word_t* unique_def, /* in: not NULL if a unique index */ - pars_res_word_t* clustered_def, /* in: not NULL if a clustered index */ - sym_node_t* index_sym, /* in: index name node in the symbol + pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ + pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ + sym_node_t* index_sym, /*!< in: index name node in the symbol table */ - sym_node_t* table_sym, /* in: table name node in the symbol + sym_node_t* table_sym, /*!< in: table name node in the symbol table */ - sym_node_t* column_list) /* in: list of column names */ + sym_node_t* column_list) /*!< in: list of column names */ { dict_index_t* index; sym_node_t* column; @@ -1723,16 +1715,16 @@ pars_create_index( } /************************************************************************* -Parses a procedure definition. */ +Parses a procedure definition. +@return query fork node */ UNIV_INTERN que_fork_t* pars_procedure_definition( /*======================*/ - /* out: query fork node */ - sym_node_t* sym_node, /* in: procedure id node in the symbol + sym_node_t* sym_node, /*!< in: procedure id node in the symbol table */ - sym_node_t* param_list, /* in: parameter declaration list */ - que_node_t* stat_list) /* in: statement list */ + sym_node_t* param_list, /*!< in: parameter declaration list */ + que_node_t* stat_list) /*!< in: statement list */ { proc_node_t* node; que_fork_t* fork; @@ -1773,14 +1765,14 @@ pars_procedure_definition( Parses a stored procedure call, when this is not within another stored procedure, that is, the client issues a procedure call directly. In MySQL/InnoDB, stored InnoDB procedures are invoked via the -parsed procedure tree, not via InnoDB SQL, so this function is not used. */ +parsed procedure tree, not via InnoDB SQL, so this function is not used. +@return query graph */ UNIV_INTERN que_fork_t* pars_stored_procedure_call( /*=======================*/ - /* out: query graph */ sym_node_t* sym_node __attribute__((unused))) - /* in: stored procedure name */ + /*!< in: stored procedure name */ { ut_error; return(NULL); @@ -1792,9 +1784,9 @@ UNIV_INTERN void pars_get_lex_chars( /*===============*/ - char* buf, /* in/out: buffer where to copy */ - int* result, /* out: number of characters copied or EOF */ - int max_size) /* in: maximum number of characters which fit + char* buf, /*!< in/out: buffer where to copy */ + int* result, /*!< out: number of characters copied or EOF */ + int max_size) /*!< in: maximum number of characters which fit in the buffer */ { int len; @@ -1841,7 +1833,7 @@ void yyerror( /*====*/ const char* s __attribute__((unused))) - /* in: error message string */ + /*!< in: error message string */ { ut_ad(s); @@ -1851,14 +1843,14 @@ yyerror( } /***************************************************************** -Parses an SQL string returning the query graph. */ +Parses an SQL string returning the query graph. +@return own: the query graph */ UNIV_INTERN que_t* pars_sql( /*=====*/ - /* out, own: the query graph */ - pars_info_t* info, /* in: extra information, or NULL */ - const char* str) /* in: SQL string */ + pars_info_t* info, /*!< in: extra information, or NULL */ + const char* str) /*!< in: SQL string */ { sym_node_t* sym_node; mem_heap_t* heap; @@ -1902,16 +1894,16 @@ pars_sql( /********************************************************************** Completes a query graph by adding query thread and fork nodes above it and prepares the graph for running. The fork created is of -type QUE_FORK_MYSQL_INTERFACE. */ +type QUE_FORK_MYSQL_INTERFACE. +@return query thread node to run */ UNIV_INTERN que_thr_t* pars_complete_graph_for_exec( /*=========================*/ - /* out: query thread node to run */ - que_node_t* node, /* in: root node for an incomplete + que_node_t* node, /*!< in: root node for an incomplete query graph */ - trx_t* trx, /* in: transaction handle */ - mem_heap_t* heap) /* in: memory heap from which allocated */ + trx_t* trx, /*!< in: transaction handle */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { que_fork_t* fork; que_thr_t* thr; @@ -1931,12 +1923,12 @@ pars_complete_graph_for_exec( } /******************************************************************** -Create parser info struct.*/ +Create parser info struct. +@return own: info struct */ UNIV_INTERN pars_info_t* pars_info_create(void) /*==================*/ - /* out, own: info struct */ { pars_info_t* info; mem_heap_t* heap; @@ -1955,12 +1947,12 @@ pars_info_create(void) } /******************************************************************** -Free info struct and everything it contains.*/ +Free info struct and everything it contains. */ UNIV_INTERN void pars_info_free( /*===========*/ - pars_info_t* info) /* in: info struct */ + pars_info_t* info) /*!< in: info struct */ { mem_heap_free(info->heap); } @@ -1971,12 +1963,12 @@ UNIV_INTERN void pars_info_add_literal( /*==================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const void* address, /* in: address */ - ulint length, /* in: length of data */ - ulint type, /* in: type, e.g. DATA_FIXBINARY */ - ulint prtype) /* in: precise type, e.g. + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const void* address, /*!< in: address */ + ulint length, /*!< in: length of data */ + ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ + ulint prtype) /*!< in: precise type, e.g. DATA_UNSIGNED */ { pars_bound_lit_t* pbl; @@ -2005,9 +1997,9 @@ UNIV_INTERN void pars_info_add_str_literal( /*======================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const char* str) /* in: string */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* str) /*!< in: string */ { pars_info_add_literal(info, name, str, strlen(str), DATA_VARCHAR, DATA_ENGLISH); @@ -2026,9 +2018,9 @@ UNIV_INTERN void pars_info_add_int4_literal( /*=======================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - lint val) /* in: value */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + lint val) /*!< in: value */ { byte* buf = mem_heap_alloc(info->heap, 4); @@ -2049,9 +2041,9 @@ UNIV_INTERN void pars_info_add_dulint_literal( /*=========================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - dulint val) /* in: value */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + dulint val) /*!< in: value */ { byte* buf = mem_heap_alloc(info->heap, 8); @@ -2066,10 +2058,10 @@ UNIV_INTERN void pars_info_add_function( /*===================*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: function name */ - pars_user_func_cb_t func, /* in: function address */ - void* arg) /* in: user-supplied argument */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: function name */ + pars_user_func_cb_t func, /*!< in: function address */ + void* arg) /*!< in: user-supplied argument */ { pars_user_func_t* puf; @@ -2094,9 +2086,9 @@ UNIV_INTERN void pars_info_add_id( /*=============*/ - pars_info_t* info, /* in: info struct */ - const char* name, /* in: name */ - const char* id) /* in: id */ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* id) /*!< in: id */ { pars_bound_id_t* bid; @@ -2115,15 +2107,14 @@ pars_info_add_id( } /******************************************************************** -Get user function with the given name.*/ +Get user function with the given name. +@return user func, or NULL if not found */ UNIV_INTERN pars_user_func_t* pars_info_get_user_func( /*====================*/ - /* out: user func, or NULL if not - found */ - pars_info_t* info, /* in: info struct */ - const char* name) /* in: function name to find*/ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: function name to find*/ { ulint i; ib_vector_t* vec; @@ -2146,15 +2137,14 @@ pars_info_get_user_func( } /******************************************************************** -Get bound literal with the given name.*/ +Get bound literal with the given name. +@return bound literal, or NULL if not found */ UNIV_INTERN pars_bound_lit_t* pars_info_get_bound_lit( /*====================*/ - /* out: bound literal, or NULL if - not found */ - pars_info_t* info, /* in: info struct */ - const char* name) /* in: bound literal name to find */ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: bound literal name to find */ { ulint i; ib_vector_t* vec; @@ -2177,15 +2167,14 @@ pars_info_get_bound_lit( } /******************************************************************** -Get bound id with the given name.*/ +Get bound id with the given name. +@return bound id, or NULL if not found */ UNIV_INTERN pars_bound_id_t* pars_info_get_bound_id( /*===================*/ - /* out: bound id, or NULL if not - found */ - pars_info_t* info, /* in: info struct */ - const char* name) /* in: bound id name to find */ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: bound id name to find */ { ulint i; ib_vector_t* vec; diff --git a/pars/pars0sym.c b/pars/pars0sym.c index fb23547e767..bb655feeb80 100644 --- a/pars/pars0sym.c +++ b/pars/pars0sym.c @@ -38,13 +38,13 @@ Created 12/15/1997 Heikki Tuuri #include "row0sel.h" /********************************************************************** -Creates a symbol table for a single stored procedure or query. */ +Creates a symbol table for a single stored procedure or query. +@return own: symbol table */ UNIV_INTERN sym_tab_t* sym_tab_create( /*===========*/ - /* out, own: symbol table */ - mem_heap_t* heap) /* in: memory heap where to create */ + mem_heap_t* heap) /*!< in: memory heap where to create */ { sym_tab_t* sym_tab; @@ -66,7 +66,7 @@ UNIV_INTERN void sym_tab_free_private( /*=================*/ - sym_tab_t* sym_tab) /* in, own: symbol table */ + sym_tab_t* sym_tab) /*!< in, own: symbol table */ { sym_node_t* sym; func_node_t* func; @@ -97,14 +97,14 @@ sym_tab_free_private( } /********************************************************************** -Adds an integer literal to a symbol table. */ +Adds an integer literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_int_lit( /*================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - ulint val) /* in: integer value */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + ulint val) /*!< in: integer value */ { sym_node_t* node; byte* data; @@ -137,16 +137,16 @@ sym_tab_add_int_lit( } /********************************************************************** -Adds a string literal to a symbol table. */ +Adds a string literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_str_lit( /*================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - byte* str, /* in: string with no quotes around + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* str, /*!< in: string with no quotes around it */ - ulint len) /* in: string length */ + ulint len) /*!< in: string length */ { sym_node_t* node; byte* data; @@ -184,15 +184,15 @@ sym_tab_add_str_lit( } /********************************************************************** -Add a bound literal to a symbol table. */ +Add a bound literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_bound_lit( /*==================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - const char* name, /* in: name of bound literal */ - ulint* lit_type) /* out: type of literal (PARS_*_LIT) */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name, /*!< in: name of bound literal */ + ulint* lit_type) /*!< out: type of literal (PARS_*_LIT) */ { sym_node_t* node; pars_bound_lit_t* blit; @@ -260,13 +260,13 @@ sym_tab_add_bound_lit( } /********************************************************************** -Adds an SQL null literal to a symbol table. */ +Adds an SQL null literal to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_null_lit( /*=================*/ - /* out: symbol table node */ - sym_tab_t* sym_tab) /* in: symbol table */ + sym_tab_t* sym_tab) /*!< in: symbol table */ { sym_node_t* node; @@ -295,15 +295,15 @@ sym_tab_add_null_lit( } /********************************************************************** -Adds an identifier to a symbol table. */ +Adds an identifier to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_id( /*===========*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - byte* name, /* in: identifier name */ - ulint len) /* in: identifier length */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* name, /*!< in: identifier name */ + ulint len) /*!< in: identifier length */ { sym_node_t* node; @@ -331,14 +331,14 @@ sym_tab_add_id( } /********************************************************************** -Add a bound identifier to a symbol table. */ +Add a bound identifier to a symbol table. +@return symbol table node */ UNIV_INTERN sym_node_t* sym_tab_add_bound_id( /*===========*/ - /* out: symbol table node */ - sym_tab_t* sym_tab, /* in: symbol table */ - const char* name) /* in: name of bound id */ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name) /*!< in: name of bound id */ { sym_node_t* node; pars_bound_id_t* bid; diff --git a/que/que0que.c b/que/que0que.c index 91a9d30ec4c..789130f14f2 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -132,7 +132,7 @@ static void que_thr_move_to_run_state( /*======================*/ - que_thr_t* thr); /* in: an query thread */ + que_thr_t* thr); /*!< in: an query thread */ /*************************************************************************** Adds a query graph to the session's list of graphs. */ @@ -140,8 +140,8 @@ UNIV_INTERN void que_graph_publish( /*==============*/ - que_t* graph, /* in: graph */ - sess_t* sess) /* in: session */ + que_t* graph, /*!< in: graph */ + sess_t* sess) /*!< in: session */ { ut_ad(mutex_own(&kernel_mutex)); @@ -149,18 +149,18 @@ que_graph_publish( } /*************************************************************************** -Creates a query graph fork node. */ +Creates a query graph fork node. +@return own: fork node */ UNIV_INTERN que_fork_t* que_fork_create( /*============*/ - /* out, own: fork node */ - que_t* graph, /* in: graph, if NULL then this + que_t* graph, /*!< in: graph, if NULL then this fork node is assumed to be the graph root */ - que_node_t* parent, /* in: parent node */ - ulint fork_type, /* in: fork type */ - mem_heap_t* heap) /* in: memory heap where created */ + que_node_t* parent, /*!< in: parent node */ + ulint fork_type, /*!< in: fork type */ + mem_heap_t* heap) /*!< in: memory heap where created */ { que_fork_t* fork; @@ -195,14 +195,14 @@ que_fork_create( } /*************************************************************************** -Creates a query graph thread node. */ +Creates a query graph thread node. +@return own: query thread node */ UNIV_INTERN que_thr_t* que_thr_create( /*===========*/ - /* out, own: query thread node */ - que_fork_t* parent, /* in: parent node, i.e., a fork node */ - mem_heap_t* heap) /* in: memory heap where created */ + que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ + mem_heap_t* heap) /*!< in: memory heap where created */ { que_thr_t* thr; @@ -239,11 +239,11 @@ UNIV_INTERN void que_thr_end_wait( /*=============*/ - que_thr_t* thr, /* in: query thread in the + que_thr_t* thr, /*!< in: query thread in the QUE_THR_LOCK_WAIT, or QUE_THR_PROCEDURE_WAIT, or QUE_THR_SIG_REPLY_WAIT state */ - que_thr_t** next_thr) /* in/out: next query thread to run; + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -284,7 +284,7 @@ UNIV_INTERN void que_thr_end_wait_no_next_thr( /*=========================*/ - que_thr_t* thr) /* in: query thread in the QUE_THR_LOCK_WAIT, + que_thr_t* thr) /*!< in: query thread in the QUE_THR_LOCK_WAIT, or QUE_THR_PROCEDURE_WAIT, or QUE_THR_SIG_REPLY_WAIT state */ { @@ -321,7 +321,7 @@ UNIV_INLINE void que_thr_init_command( /*=================*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { thr->run_node = thr; thr->prev_node = thr->common.parent; @@ -333,16 +333,13 @@ que_thr_init_command( Starts execution of a command in a query fork. Picks a query thread which is not in the QUE_THR_RUNNING state and moves it to that state. If none can be chosen, a situation which may arise in parallelized fetches, NULL -is returned. */ +is returned. +@return a query thread of the graph moved to QUE_THR_RUNNING state, or NULL; the query thread should be executed by que_run_threads by the caller */ UNIV_INTERN que_thr_t* que_fork_start_command( /*===================*/ - /* out: a query thread of the graph moved to - QUE_THR_RUNNING state, or NULL; the query - thread should be executed by que_run_threads - by the caller */ - que_fork_t* fork) /* in: a query fork */ + que_fork_t* fork) /*!< in: a query fork */ { que_thr_t* thr; que_thr_t* suspended_thr = NULL; @@ -426,8 +423,8 @@ UNIV_INTERN void que_fork_error_handle( /*==================*/ - trx_t* trx __attribute__((unused)), /* in: trx */ - que_t* fork) /* in: query graph which was run before signal + trx_t* trx __attribute__((unused)), /*!< in: trx */ + que_t* fork) /*!< in: query graph which was run before signal handling started, NULL not allowed */ { que_thr_t* thr; @@ -460,15 +457,14 @@ que_fork_error_handle( } /******************************************************************** -Tests if all the query threads in the same fork have a given state. */ +Tests if all the query threads in the same fork have a given state. +@return TRUE if all the query threads in the same fork were in the given state */ UNIV_INLINE ibool que_fork_all_thrs_in_state( /*=======================*/ - /* out: TRUE if all the query threads in the - same fork were in the given state */ - que_fork_t* fork, /* in: query fork */ - ulint state) /* in: state */ + que_fork_t* fork, /*!< in: query fork */ + ulint state) /*!< in: state */ { que_thr_t* thr_node; @@ -492,7 +488,7 @@ static void que_graph_free_stat_list( /*=====================*/ - que_node_t* node) /* in: first query graph node in the list */ + que_node_t* node) /*!< in: first query graph node in the list */ { while (node) { que_graph_free_recursive(node); @@ -508,7 +504,7 @@ UNIV_INTERN void que_graph_free_recursive( /*=====================*/ - que_node_t* node) /* in: query graph node */ + que_node_t* node) /*!< in: query graph node */ { que_fork_t* fork; que_thr_t* thr; @@ -671,7 +667,7 @@ UNIV_INTERN void que_graph_free( /*===========*/ - que_t* graph) /* in: query graph; we assume that the memory + que_t* graph) /*!< in: query graph; we assume that the memory heap where this graph was created is private to this graph: if not, then use que_graph_free_recursive and free the heap @@ -699,13 +695,13 @@ que_graph_free( /************************************************************************** Checks if the query graph is in a state where it should be freed, and frees it in that case. If the session is in a state where it should be -closed, also this is done. */ +closed, also this is done. +@return TRUE if freed */ UNIV_INTERN ibool que_graph_try_free( /*===============*/ - /* out: TRUE if freed */ - que_t* graph) /* in: query graph */ + que_t* graph) /*!< in: query graph */ { sess_t* sess; @@ -728,14 +724,13 @@ que_graph_try_free( } /******************************************************************** -Performs an execution step on a thr node. */ +Performs an execution step on a thr node. +@return query thread to run next, or NULL if none */ static que_thr_t* que_thr_node_step( /*==============*/ - /* out: query thread to run next, or NULL - if none */ - que_thr_t* thr) /* in: query thread where run_node must + que_thr_t* thr) /*!< in: query thread where run_node must be the thread node itself */ { ut_ad(thr->run_node == thr); @@ -777,7 +772,7 @@ static void que_thr_move_to_run_state( /*======================*/ - que_thr_t* thr) /* in: an query thread */ + que_thr_t* thr) /*!< in: an query thread */ { trx_t* trx; @@ -812,8 +807,8 @@ static void que_thr_dec_refer_count( /*====================*/ - que_thr_t* thr, /* in: query thread */ - que_thr_t** next_thr) /* in/out: next query thread to run; + que_thr_t* thr, /*!< in: query thread */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -926,13 +921,13 @@ que_thr_dec_refer_count( /************************************************************************** Stops a query thread if graph or trx is in a state requiring it. The conditions are tested in the order (1) graph, (2) trx. The kernel mutex has -to be reserved. */ +to be reserved. +@return TRUE if stopped */ UNIV_INTERN ibool que_thr_stop( /*=========*/ - /* out: TRUE if stopped */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; que_t* graph; @@ -979,7 +974,7 @@ UNIV_INTERN void que_thr_stop_for_mysql( /*===================*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; @@ -1025,8 +1020,8 @@ UNIV_INTERN void que_thr_move_to_run_state_for_mysql( /*================================*/ - que_thr_t* thr, /* in: an query thread */ - trx_t* trx) /* in: transaction */ + que_thr_t* thr, /*!< in: an query thread */ + trx_t* trx) /*!< in: transaction */ { if (thr->magic_n != QUE_THR_MAGIC_N) { fprintf(stderr, @@ -1057,8 +1052,8 @@ UNIV_INTERN void que_thr_stop_for_mysql_no_error( /*============================*/ - que_thr_t* thr, /* in: query thread */ - trx_t* trx) /* in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_t* trx) /*!< in: transaction */ { ut_ad(thr->state == QUE_THR_RUNNING); ut_ad(thr->is_active == TRUE); @@ -1085,13 +1080,13 @@ que_thr_stop_for_mysql_no_error( /******************************************************************** Get the first containing loop node (e.g. while_node_t or for_node_t) for the -given node, or NULL if the node is not within a loop. */ +given node, or NULL if the node is not within a loop. +@return containing loop node, or NULL. */ UNIV_INTERN que_node_t* que_node_get_containing_loop_node( /*==============================*/ - /* out: containing loop node, or NULL. */ - que_node_t* node) /* in: node */ + que_node_t* node) /*!< in: node */ { ut_ad(node); @@ -1120,7 +1115,7 @@ UNIV_INTERN void que_node_print_info( /*================*/ - que_node_t* node) /* in: query graph node */ + que_node_t* node) /*!< in: query graph node */ { ulint type; const char* str; @@ -1178,15 +1173,13 @@ que_node_print_info( } /************************************************************************** -Performs an execution step on a query thread. */ +Performs an execution step on a query thread. +@return query thread to run next: it may differ from the input parameter if, e.g., a subprocedure call is made */ UNIV_INLINE que_thr_t* que_thr_step( /*=========*/ - /* out: query thread to run next: it may - differ from the input parameter if, e.g., a - subprocedure call is made */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { que_node_t* node; que_thr_t* old_thr; @@ -1306,7 +1299,7 @@ static void que_run_threads_low( /*================*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { que_thr_t* next_thr; ulint cumul_resource; @@ -1366,7 +1359,7 @@ UNIV_INTERN void que_run_threads( /*============*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { loop: ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); @@ -1416,18 +1409,18 @@ loop: } /************************************************************************* -Evaluate the given SQL. */ +Evaluate the given SQL. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint que_eval_sql( /*=========*/ - /* out: error code or DB_SUCCESS */ - pars_info_t* info, /* in: info struct, or NULL */ - const char* sql, /* in: SQL string */ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string */ ibool reserve_dict_mutex, - /* in: if TRUE, acquire/release + /*!< in: if TRUE, acquire/release dict_sys->mutex around call to pars_sql. */ - trx_t* trx) /* in: trx */ + trx_t* trx) /*!< in: trx */ { que_thr_t* thr; que_t* graph; diff --git a/read/read0read.c b/read/read0read.c index 2c74082ecac..d0d520b0877 100644 --- a/read/read0read.c +++ b/read/read0read.c @@ -137,14 +137,14 @@ TODO: proof this */ /************************************************************************* -Creates a read view object. */ +Creates a read view object. +@return own: read view struct */ UNIV_INLINE read_view_t* read_view_create_low( /*=================*/ - /* out, own: read view struct */ - ulint n, /* in: number of cells in the trx_ids array */ - mem_heap_t* heap) /* in: memory heap from which allocated */ + ulint n, /*!< in: number of cells in the trx_ids array */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { read_view_t* view; @@ -160,16 +160,16 @@ read_view_create_low( Makes a copy of the oldest existing read view, with the exception that also the creating trx of the oldest view is set as not visible in the 'copied' view. Opens a new view if no views currently exist. The view must be closed -with ..._close. This is used in purge. */ +with ..._close. This is used in purge. +@return own: read view struct */ UNIV_INTERN read_view_t* read_view_oldest_copy_or_open_new( /*==============================*/ - /* out, own: read view struct */ - trx_id_t cr_trx_id, /* in: trx_id of creating + trx_id_t cr_trx_id, /*!< in: trx_id of creating transaction, or ut_dulint_zero used in purge */ - mem_heap_t* heap) /* in: memory heap from which + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { read_view_t* old_view; @@ -244,16 +244,16 @@ read_view_oldest_copy_or_open_new( /************************************************************************* Opens a read view where exactly the transactions serialized before this -point in time are seen in the view. */ +point in time are seen in the view. +@return own: read view struct */ UNIV_INTERN read_view_t* read_view_open_now( /*===============*/ - /* out, own: read view struct */ - trx_id_t cr_trx_id, /* in: trx_id of creating + trx_id_t cr_trx_id, /*!< in: trx_id of creating transaction, or ut_dulint_zero used in purge */ - mem_heap_t* heap) /* in: memory heap from which + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { read_view_t* view; @@ -323,7 +323,7 @@ UNIV_INTERN void read_view_close( /*============*/ - read_view_t* view) /* in: read view */ + read_view_t* view) /*!< in: read view */ { ut_ad(mutex_own(&kernel_mutex)); @@ -337,7 +337,7 @@ UNIV_INTERN void read_view_close_for_mysql( /*======================*/ - trx_t* trx) /* in: trx which has a read view */ + trx_t* trx) /*!< in: trx which has a read view */ { ut_a(trx->global_read_view); @@ -359,7 +359,7 @@ UNIV_INTERN void read_view_print( /*============*/ - const read_view_t* view) /* in: read view */ + const read_view_t* view) /*!< in: read view */ { ulint n_ids; ulint i; @@ -403,7 +403,7 @@ UNIV_INTERN cursor_view_t* read_cursor_view_create_for_mysql( /*==============================*/ - trx_t* cr_trx) /* in: trx where cursor view is created */ + trx_t* cr_trx) /*!< in: trx where cursor view is created */ { cursor_view_t* curview; read_view_t* view; @@ -493,8 +493,8 @@ UNIV_INTERN void read_cursor_view_close_for_mysql( /*=============================*/ - trx_t* trx, /* in: trx */ - cursor_view_t* curview)/* in: cursor view to be closed */ + trx_t* trx, /*!< in: trx */ + cursor_view_t* curview)/*!< in: cursor view to be closed */ { ut_a(curview); ut_a(curview->read_view); @@ -522,8 +522,8 @@ UNIV_INTERN void read_cursor_set_for_mysql( /*======================*/ - trx_t* trx, /* in: transaction where cursor is set */ - cursor_view_t* curview)/* in: consistent cursor view to be set */ + trx_t* trx, /*!< in: transaction where cursor is set */ + cursor_view_t* curview)/*!< in: consistent cursor view to be set */ { ut_a(trx); diff --git a/rem/rem0cmp.c b/rem/rem0cmp.c index 7926a39355d..a31a73956cb 100644 --- a/rem/rem0cmp.c +++ b/rem/rem0cmp.c @@ -54,21 +54,19 @@ has more fields than the other. */ Used in debug checking of cmp_dtuple_... . This function is used to compare a data tuple to a physical record. If dtuple has n fields then rec must have either m >= n fields, or it must -differ from dtuple in some of the m fields rec has. */ +differ from dtuple in some of the m fields rec has. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ static int cmp_debug_dtuple_rec_with_match( /*============================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record which differs from + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from dtuple in some of the common fields, or which has an equal number or more fields than dtuple */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields);/* in/out: number of already + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields);/*!< in/out: number of already completely matched fields; when function returns, contains the value for current comparison */ @@ -76,47 +74,45 @@ cmp_debug_dtuple_rec_with_match( /***************************************************************** This function is used to compare two data fields for which the data type is such that we must use MySQL code to compare them. The prototype here -must be a copy of the the one in ha_innobase.cc! */ +must be a copy of the the one in ha_innobase.cc! +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ extern int innobase_mysql_cmp( /*===============*/ - /* out: 1, 0, -1, if a is greater, - equal, less than b, respectively */ - int mysql_type, /* in: MySQL type */ - uint charset_number, /* in: number of the charset */ - const unsigned char* a, /* in: data field */ - unsigned int a_length, /* in: data field length, + int mysql_type, /*!< in: MySQL type */ + uint charset_number, /*!< in: number of the charset */ + const unsigned char* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, not UNIV_SQL_NULL */ - const unsigned char* b, /* in: data field */ - unsigned int b_length); /* in: data field length, + const unsigned char* b, /*!< in: data field */ + unsigned int b_length); /*!< in: data field length, not UNIV_SQL_NULL */ /************************************************************************* Transforms the character code so that it is ordered appropriately for the language. This is only used for the latin1 char set. MySQL does the -comparisons for other char sets. */ +comparisons for other char sets. +@return collation order position */ UNIV_INLINE ulint cmp_collate( /*========*/ - /* out: collation order position */ - ulint code) /* in: code of a character stored in database record */ + ulint code) /*!< in: code of a character stored in database record */ { return((ulint) srv_latin1_ordering[code]); } /***************************************************************** -Returns TRUE if two columns are equal for comparison purposes. */ +Returns TRUE if two columns are equal for comparison purposes. +@return TRUE if the columns are considered equal in comparisons */ UNIV_INTERN ibool cmp_cols_are_equal( /*===============*/ - /* out: TRUE if the columns are - considered equal in comparisons */ - const dict_col_t* col1, /* in: column 1 */ - const dict_col_t* col2, /* in: column 2 */ + const dict_col_t* col1, /*!< in: column 1 */ + const dict_col_t* col2, /*!< in: column 2 */ ibool check_charsets) - /* in: whether to check charsets */ + /*!< in: whether to check charsets */ { if (dtype_is_non_binary_string_type(col1->mtype, col1->prtype) && dtype_is_non_binary_string_type(col2->mtype, col2->prtype)) { @@ -161,20 +157,19 @@ cmp_cols_are_equal( /***************************************************************** Innobase uses this function to compare two data fields for which the data type -is such that we must compare whole fields or call MySQL to do the comparison */ +is such that we must compare whole fields or call MySQL to do the comparison +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ static int cmp_whole_field( /*============*/ - /* out: 1, 0, -1, if a is greater, - equal, less than b, respectively */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - const byte* a, /* in: data field */ - unsigned int a_length, /* in: data field length, + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, not UNIV_SQL_NULL */ - const byte* b, /* in: data field */ - unsigned int b_length) /* in: data field length, + const byte* b, /*!< in: data field */ + unsigned int b_length) /*!< in: data field length, not UNIV_SQL_NULL */ { float f_1; @@ -288,21 +283,20 @@ cmp_whole_field( /***************************************************************** This function is used to compare two data fields for which we know the -data type. */ +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ UNIV_INTERN int cmp_data_data_slow( /*===============*/ - /* out: 1, 0, -1, if data1 is greater, equal, - less than data2, respectively */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - const byte* data1, /* in: data field (== a pointer to a memory + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len1, /* in: data field length or UNIV_SQL_NULL */ - const byte* data2, /* in: data field (== a pointer to a memory + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ - ulint len2) /* in: data field length or UNIV_SQL_NULL */ + ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ { ulint data1_byte; ulint data2_byte; @@ -407,26 +401,22 @@ the the data tuple! If we denote by n = n_fields_cmp, then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be -made. */ +made. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared, or until the first externally stored field in rec */ UNIV_INTERN int cmp_dtuple_rec_with_match( /*======================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared, or - until the first externally stored field in - rec */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record which differs from + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from dtuple in some of the common fields, or which has an equal number or more fields than dtuple */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields, /* in/out: number of already completely + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when function returns, contains the value for current comparison */ - ulint* matched_bytes) /* in/out: number of already matched + ulint* matched_bytes) /*!< in/out: number of already matched bytes within the first field not completely matched; when function returns, contains the value for current comparison */ @@ -641,17 +631,15 @@ order_resolved: } /****************************************************************** -Compares a data tuple to a physical record. */ +Compares a data tuple to a physical record. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively; see the comments for cmp_dtuple_rec_with_match */ UNIV_INTERN int cmp_dtuple_rec( /*===========*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively; see the comments - for cmp_dtuple_rec_with_match */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint matched_fields = 0; ulint matched_bytes = 0; @@ -663,15 +651,15 @@ cmp_dtuple_rec( /****************************************************************** Checks if a dtuple is a prefix of a record. The last field in dtuple -is allowed to be a prefix of the corresponding field in the record. */ +is allowed to be a prefix of the corresponding field in the record. +@return TRUE if prefix */ UNIV_INTERN ibool cmp_dtuple_is_prefix_of_rec( /*========================*/ - /* out: TRUE if prefix */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint n_fields; ulint matched_fields = 0; @@ -703,18 +691,17 @@ cmp_dtuple_is_prefix_of_rec( /***************************************************************** Compare two physical records that contain the same number of columns, -none of which are stored externally. */ +none of which are stored externally. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2 */ UNIV_INTERN int cmp_rec_rec_simple( /*===============*/ - /* out: 1, 0 , -1 if rec1 is greater, - equal, less, respectively, than rec2 */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - const dict_index_t* index) /* in: data dictionary index */ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + const dict_index_t* index) /*!< in: data dictionary index */ { ulint rec1_f_len; /* length of current field in rec1 */ const byte* rec1_b_ptr; /* pointer to the current byte @@ -854,24 +841,22 @@ next_field: /***************************************************************** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is -encountered, then 0 is returned. */ +encountered, then 0 is returned. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ UNIV_INTERN int cmp_rec_rec_with_match( /*===================*/ - /* out: 1, 0 , -1 if rec1 is greater, equal, - less, respectively, than rec2; only the common - first fields are compared */ - const rec_t* rec1, /* in: physical record */ - const rec_t* rec2, /* in: physical record */ - const ulint* offsets1,/* in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/* in: rec_get_offsets(rec2, index) */ - dict_index_t* index, /* in: data dictionary index */ - ulint* matched_fields, /* in/out: number of already completely + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index, /*!< in: data dictionary index */ + ulint* matched_fields, /*!< in/out: number of already completely matched fields; when the function returns, contains the value the for current comparison */ - ulint* matched_bytes) /* in/out: number of already matched + ulint* matched_bytes) /*!< in/out: number of already matched bytes within the first field not completely matched; when the function returns, contains the value for the current comparison */ @@ -1097,21 +1082,19 @@ Used in debug checking of cmp_dtuple_... . This function is used to compare a data tuple to a physical record. If dtuple has n fields then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If encounters an -externally stored field, returns 0. */ +externally stored field, returns 0. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ static int cmp_debug_dtuple_rec_with_match( /*============================*/ - /* out: 1, 0, -1, if dtuple is greater, equal, - less than rec, respectively, when only the - common first fields are compared */ - const dtuple_t* dtuple, /* in: data tuple */ - const rec_t* rec, /* in: physical record which differs from + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from dtuple in some of the common fields, or which has an equal number or more fields than dtuple */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint* matched_fields) /* in/out: number of already + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields) /*!< in/out: number of already completely matched fields; when function returns, contains the value for current comparison */ diff --git a/rem/rem0rec.c b/rem/rem0rec.c index d3669906eff..b8895eb2fee 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -144,25 +144,25 @@ the corresponding canonical strings have the same property. */ UNIV_INTERN ulint rec_dummy; /******************************************************************* -Validates the consistency of an old-style physical record. */ +Validates the consistency of an old-style physical record. +@return TRUE if ok */ static ibool rec_validate_old( /*=============*/ - /* out: TRUE if ok */ - const rec_t* rec); /* in: physical record */ + const rec_t* rec); /*!< in: physical record */ /********************************************************** Determine how many of the first n columns in a compact -physical record are stored externally. */ +physical record are stored externally. +@return number of externally stored columns */ UNIV_INTERN ulint rec_get_n_extern_new( /*=================*/ - /* out: number of externally stored columns */ - const rec_t* rec, /* in: compact physical record */ - dict_index_t* index, /* in: record descriptor */ - ulint n) /* in: number of columns to scan */ + const rec_t* rec, /*!< in: compact physical record */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n) /*!< in: number of columns to scan */ { const byte* nulls; const byte* lens; @@ -235,14 +235,14 @@ UNIV_INTERN void rec_init_offsets_comp_ordinary( /*===========================*/ - const rec_t* rec, /* in: physical record in + const rec_t* rec, /*!< in: physical record in ROW_FORMAT=COMPACT */ - ulint extra, /* in: number of bytes to reserve + ulint extra, /*!< in: number of bytes to reserve between the record header and the data payload (usually REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets)/* in/out: array of offsets; + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in/out: array of offsets; in: n=rec_offs_n_fields(offsets) */ { ulint i = 0; @@ -347,9 +347,9 @@ static void rec_init_offsets( /*=============*/ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets)/* in/out: array of offsets; + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in/out: array of offsets; in: n=rec_offs_n_fields(offsets) */ { ulint i = 0; @@ -493,24 +493,24 @@ resolved: /********************************************************** The following function determines the offsets to each field -in the record. It can reuse a previously returned array. */ +in the record. It can reuse a previously returned array. +@return the new offsets */ UNIV_INTERN ulint* rec_get_offsets_func( /*=================*/ - /* out: the new offsets */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint* offsets,/* in/out: array consisting of + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: array consisting of offsets[0] allocated elements, or an array from rec_get_offsets(), or NULL */ - ulint n_fields,/* in: maximum number of + ulint n_fields,/*!< in: maximum number of initialized fields (ULINT_UNDEFINED if all fields) */ - mem_heap_t** heap, /* in/out: memory heap */ - const char* file, /* in: file name where called */ - ulint line) /* in: line number where called */ + mem_heap_t** heap, /*!< in/out: memory heap */ + const char* file, /*!< in: file name where called */ + ulint line) /*!< in: line number where called */ { ulint n; ulint size; @@ -570,14 +570,14 @@ UNIV_INTERN void rec_get_offsets_reverse( /*====================*/ - const byte* extra, /* in: the extra bytes of a + const byte* extra, /*!< in: the extra bytes of a compact record in reverse order, excluding the fixed-size REC_N_NEW_EXTRA_BYTES */ - const dict_index_t* index, /* in: record descriptor */ - ulint node_ptr,/* in: nonzero=node pointer, + const dict_index_t* index, /*!< in: record descriptor */ + ulint node_ptr,/*!< in: nonzero=node pointer, 0=leaf node */ - ulint* offsets)/* in/out: array consisting of + ulint* offsets)/*!< in/out: array consisting of offsets[0] allocated elements */ { ulint n; @@ -680,15 +680,15 @@ resolved: /**************************************************************** The following function is used to get the offset to the nth -data field in an old-style record. */ +data field in an old-style record. +@return offset to the field */ UNIV_INTERN ulint rec_get_nth_field_offs_old( /*=======================*/ - /* out: offset to the field */ - const rec_t* rec, /* in: record */ - ulint n, /* in: index of the field */ - ulint* len) /* out: length of the field; + const rec_t* rec, /*!< in: record */ + ulint n, /*!< in: index of the field */ + ulint* len) /*!< out: length of the field; UNIV_SQL_NULL if SQL null */ { ulint os; @@ -743,19 +743,19 @@ rec_get_nth_field_offs_old( } /************************************************************** -Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. */ +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. +@return total size */ UNIV_INTERN ulint rec_get_converted_size_comp_prefix( /*===============================*/ - /* out: total size */ - const dict_index_t* index, /* in: record descriptor; + const dict_index_t* index, /*!< in: record descriptor; dict_table_is_comp() is assumed to hold, even if it does not */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields,/* in: number of data fields */ - ulint* extra) /* out: extra size */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra) /*!< out: extra size */ { ulint extra_size; ulint data_size; @@ -818,20 +818,20 @@ rec_get_converted_size_comp_prefix( } /************************************************************** -Determines the size of a data tuple in ROW_FORMAT=COMPACT. */ +Determines the size of a data tuple in ROW_FORMAT=COMPACT. +@return total size */ UNIV_INTERN ulint rec_get_converted_size_comp( /*========================*/ - /* out: total size */ - const dict_index_t* index, /* in: record descriptor; + const dict_index_t* index, /*!< in: record descriptor; dict_table_is_comp() is assumed to hold, even if it does not */ - ulint status, /* in: status bits of the record */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields,/* in: number of data fields */ - ulint* extra) /* out: extra size */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra) /*!< out: extra size */ { ulint size; ut_ad(index); @@ -871,9 +871,9 @@ UNIV_INTERN void rec_set_nth_field_null_bit( /*=======================*/ - rec_t* rec, /* in: record */ - ulint i, /* in: ith field */ - ibool val) /* in: value to set */ + rec_t* rec, /*!< in: record */ + ulint i, /*!< in: ith field */ + ibool val) /*!< in: value to set */ { ulint info; @@ -910,8 +910,8 @@ UNIV_INTERN void rec_set_nth_field_sql_null( /*=======================*/ - rec_t* rec, /* in: record */ - ulint n) /* in: index of the field */ + rec_t* rec, /*!< in: record */ + ulint n) /*!< in: index of the field */ { ulint offset; @@ -924,16 +924,15 @@ rec_set_nth_field_sql_null( /************************************************************* Builds an old-style physical record out of a data tuple and -stores it beginning from the start of the given buffer. */ +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ static rec_t* rec_convert_dtuple_to_rec_old( /*==========================*/ - /* out: pointer to the origin of - physical record */ - byte* buf, /* in: start address of the physical record */ - const dtuple_t* dtuple, /* in: data tuple */ - ulint n_ext) /* in: number of externally stored columns */ + byte* buf, /*!< in: start address of the physical record */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of externally stored columns */ { const dfield_t* field; ulint n_fields; @@ -1044,15 +1043,15 @@ UNIV_INTERN void rec_convert_dtuple_to_rec_comp( /*===========================*/ - rec_t* rec, /* in: origin of record */ - ulint extra, /* in: number of bytes to + rec_t* rec, /*!< in: origin of record */ + ulint extra, /*!< in: number of bytes to reserve between the record header and the data payload (normally REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /* in: record descriptor */ - ulint status, /* in: status bits of the record */ - const dfield_t* fields, /* in: array of data fields */ - ulint n_fields)/* in: number of data fields */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields)/*!< in: number of data fields */ { const dfield_t* field; const dtype_t* type; @@ -1162,17 +1161,16 @@ rec_convert_dtuple_to_rec_comp( /************************************************************* Builds a new-style physical record out of a data tuple and -stores it beginning from the start of the given buffer. */ +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ static rec_t* rec_convert_dtuple_to_rec_new( /*==========================*/ - /* out: pointer to the origin - of physical record */ - byte* buf, /* in: start address of + byte* buf, /*!< in: start address of the physical record */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* dtuple) /* in: data tuple */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple) /*!< in: data tuple */ { ulint extra_size; ulint status; @@ -1196,18 +1194,17 @@ rec_convert_dtuple_to_rec_new( /************************************************************* Builds a physical record out of a data tuple and -stores it beginning from the start of the given buffer. */ +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ UNIV_INTERN rec_t* rec_convert_dtuple_to_rec( /*======================*/ - /* out: pointer to the origin - of physical record */ - byte* buf, /* in: start address of the + byte* buf, /*!< in: start address of the physical record */ - const dict_index_t* index, /* in: record descriptor */ - const dtuple_t* dtuple, /* in: data tuple */ - ulint n_ext) /* in: number of + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of externally stored columns */ { rec_t* rec; @@ -1247,12 +1244,12 @@ UNIV_INTERN void rec_copy_prefix_to_dtuple( /*======================*/ - dtuple_t* tuple, /* out: data tuple */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint n_fields, /* in: number of fields + dtuple_t* tuple, /*!< out: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields to copy */ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { ulint i; ulint offsets_[REC_OFFS_NORMAL_SIZE]; @@ -1287,18 +1284,18 @@ rec_copy_prefix_to_dtuple( /****************************************************************** Copies the first n fields of an old-style physical record -to a new physical record in a buffer. */ +to a new physical record in a buffer. +@return own: copied record */ static rec_t* rec_copy_prefix_to_buf_old( /*=======================*/ - /* out, own: copied record */ - const rec_t* rec, /* in: physical record */ - ulint n_fields, /* in: number of fields to copy */ - ulint area_end, /* in: end of the prefix data */ - byte** buf, /* in/out: memory buffer for + const rec_t* rec, /*!< in: physical record */ + ulint n_fields, /*!< in: number of fields to copy */ + ulint area_end, /*!< in: end of the prefix data */ + byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ - ulint* buf_size) /* in/out: buffer size */ + ulint* buf_size) /*!< in/out: buffer size */ { rec_t* copy_rec; ulint area_start; @@ -1331,20 +1328,20 @@ rec_copy_prefix_to_buf_old( /****************************************************************** Copies the first n fields of a physical record to a new physical record in -a buffer. */ +a buffer. +@return own: copied record */ UNIV_INTERN rec_t* rec_copy_prefix_to_buf( /*===================*/ - /* out, own: copied record */ - const rec_t* rec, /* in: physical record */ - const dict_index_t* index, /* in: record descriptor */ - ulint n_fields, /* in: number of fields + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields to copy */ - byte** buf, /* in/out: memory buffer + byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ - ulint* buf_size) /* in/out: buffer size */ + ulint* buf_size) /*!< in/out: buffer size */ { const byte* nulls; const byte* lens; @@ -1445,13 +1442,13 @@ rec_copy_prefix_to_buf( } /******************************************************************* -Validates the consistency of an old-style physical record. */ +Validates the consistency of an old-style physical record. +@return TRUE if ok */ static ibool rec_validate_old( /*=============*/ - /* out: TRUE if ok */ - const rec_t* rec) /* in: physical record */ + const rec_t* rec) /*!< in: physical record */ { const byte* data; ulint len; @@ -1505,14 +1502,14 @@ rec_validate_old( } /******************************************************************* -Validates the consistency of a physical record. */ +Validates the consistency of a physical record. +@return TRUE if ok */ UNIV_INTERN ibool rec_validate( /*=========*/ - /* out: TRUE if ok */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { const byte* data; ulint len; @@ -1577,8 +1574,8 @@ UNIV_INTERN void rec_print_old( /*==========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec) /* in: physical record */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec) /*!< in: physical record */ { const byte* data; ulint len; @@ -1631,9 +1628,9 @@ UNIV_INTERN void rec_print_comp( /*===========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ulint i; @@ -1669,9 +1666,9 @@ UNIV_INTERN void rec_print_new( /*==========*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ { ut_ad(rec); ut_ad(offsets); @@ -1697,9 +1694,9 @@ UNIV_INTERN void rec_print( /*======*/ - FILE* file, /* in: file where to print */ - const rec_t* rec, /* in: physical record */ - dict_index_t* index) /* in: record descriptor */ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + dict_index_t* index) /*!< in: record descriptor */ { ut_ad(index); diff --git a/row/row0ext.c b/row/row0ext.c index 83dfa024ffc..78acd0be037 100644 --- a/row/row0ext.c +++ b/row/row0ext.c @@ -36,10 +36,10 @@ static void row_ext_cache_fill( /*===============*/ - row_ext_t* ext, /* in/out: column prefix cache */ - ulint i, /* in: index of ext->ext[] */ - ulint zip_size,/* compressed page size in bytes, or 0 */ - const dfield_t* dfield) /* in: data field */ + row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + const dfield_t* dfield) /*!< in: data field */ { const byte* field = dfield_get_data(dfield); ulint f_len = dfield_get_len(dfield); @@ -67,25 +67,25 @@ row_ext_cache_fill( } /************************************************************************ -Creates a cache of column prefixes of externally stored columns. */ +Creates a cache of column prefixes of externally stored columns. +@return own: column prefix cache */ UNIV_INTERN row_ext_t* row_ext_create( /*===========*/ - /* out,own: column prefix cache */ - ulint n_ext, /* in: number of externally stored columns */ - const ulint* ext, /* in: col_no's of externally stored columns + ulint n_ext, /*!< in: number of externally stored columns */ + const ulint* ext, /*!< in: col_no's of externally stored columns in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index */ - const dtuple_t* tuple, /* in: data tuple containing the field + const dtuple_t* tuple, /*!< in: data tuple containing the field references of the externally stored columns; must be indexed by col_no; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge). */ - ulint zip_size,/* compressed page size in bytes, or 0 */ - mem_heap_t* heap) /* in: heap where created */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + mem_heap_t* heap) /*!< in: heap where created */ { ulint i; row_ext_t* ret = mem_heap_alloc(heap, (sizeof *ret) diff --git a/row/row0ins.c b/row/row0ins.c index be2845fb62c..3c59b6b49a8 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -52,15 +52,15 @@ Created 4/20/1996 Heikki Tuuri /************************************************************************* -Creates an insert node struct. */ +Creates an insert node struct. +@return own: insert node struct */ UNIV_INTERN ins_node_t* ins_node_create( /*============*/ - /* out, own: insert node struct */ - ulint ins_type, /* in: INS_VALUES, ... */ - dict_table_t* table, /* in: table where to insert */ - mem_heap_t* heap) /* in: mem heap where created */ + ulint ins_type, /*!< in: INS_VALUES, ... */ + dict_table_t* table, /*!< in: table where to insert */ + mem_heap_t* heap) /*!< in: mem heap where created */ { ins_node_t* node; @@ -92,7 +92,7 @@ UNIV_INTERN void ins_node_create_entry_list( /*=======================*/ - ins_node_t* node) /* in: row insert node */ + ins_node_t* node) /*!< in: row insert node */ { dict_index_t* index; dtuple_t* entry; @@ -118,7 +118,7 @@ static void row_ins_alloc_sys_fields( /*=====================*/ - ins_node_t* node) /* in: insert node */ + ins_node_t* node) /*!< in: insert node */ { dtuple_t* row; dict_table_t* table; @@ -175,8 +175,8 @@ UNIV_INTERN void ins_node_set_new_row( /*=================*/ - ins_node_t* node, /* in: insert node */ - dtuple_t* row) /* in: new row (or first row) for the node */ + ins_node_t* node, /*!< in: insert node */ + dtuple_t* row) /*!< in: new row (or first row) for the node */ { node->state = INS_NODE_SET_IX_LOCK; node->index = NULL; @@ -203,19 +203,19 @@ ins_node_set_new_row( /*********************************************************************** Does an insert operation by updating a delete-marked existing record in the index. This situation can occur if the delete-marked record is -kept in the index for consistent reads. */ +kept in the index for consistent reads. +@return DB_SUCCESS or error code */ static ulint row_ins_sec_index_entry_by_modify( /*==============================*/ - /* out: DB_SUCCESS or error code */ - ulint mode, /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, depending on whether mtr holds just a leaf latch or also a tree latch */ - btr_cur_t* cursor, /* in: B-tree cursor */ - const dtuple_t* entry, /* in: index entry to insert */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; must be committed before + btr_cur_t* cursor, /*!< in: B-tree cursor */ + const dtuple_t* entry, /*!< in: index entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before latching any further pages */ { big_rec_t* dummy_big_rec; @@ -274,23 +274,23 @@ func_exit: /*********************************************************************** Does an insert operation by delete unmarking and updating a delete marked existing record in the index. This situation can occur if the delete marked -record is kept in the index for consistent reads. */ +record is kept in the index for consistent reads. +@return DB_SUCCESS, DB_FAIL, or error code */ static ulint row_ins_clust_index_entry_by_modify( /*================================*/ - /* out: DB_SUCCESS, DB_FAIL, or error code */ - ulint mode, /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, depending on whether mtr holds just a leaf latch or also a tree latch */ - btr_cur_t* cursor, /* in: B-tree cursor */ - mem_heap_t** heap, /* in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/* out: possible big rec vector of fields + btr_cur_t* cursor, /*!< in: B-tree cursor */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: possible big rec vector of fields which have to be stored externally by the caller */ - const dtuple_t* entry, /* in: index entry to insert */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; must be committed before + const dtuple_t* entry, /*!< in: index entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before latching any further pages */ { rec_t* rec; @@ -345,14 +345,14 @@ row_ins_clust_index_entry_by_modify( /************************************************************************* Returns TRUE if in a cascaded update/delete an ancestor node of node -updates (not DELETE, but UPDATE) table. */ +updates (not DELETE, but UPDATE) table. +@return TRUE if an ancestor updates table */ static ibool row_ins_cascade_ancestor_updates_table( /*===================================*/ - /* out: TRUE if an ancestor updates table */ - que_node_t* node, /* in: node in a query graph */ - dict_table_t* table) /* in: table */ + que_node_t* node, /*!< in: node in a query graph */ + dict_table_t* table) /*!< in: table */ { que_node_t* parent; upd_node_t* upd_node; @@ -378,13 +378,13 @@ row_ins_cascade_ancestor_updates_table( /************************************************************************* Returns the number of ancestor UPDATE or DELETE nodes of a -cascaded update/delete node. */ +cascaded update/delete node. +@return number of ancestors */ static ulint row_ins_cascade_n_ancestors( /*========================*/ - /* out: number of ancestors */ - que_node_t* node) /* in: node in a query graph */ + que_node_t* node) /*!< in: node in a query graph */ { que_node_t* parent; ulint n_ancestors = 0; @@ -404,24 +404,17 @@ row_ins_cascade_n_ancestors( /********************************************************************** Calculates the update vector node->cascade->update for a child table in -a cascaded update. */ +a cascaded update. +@return number of fields in the calculated update vector; the value can also be 0 if no foreign key fields changed; the returned value is ULINT_UNDEFINED if the column type in the child table is too short to fit the new value in the parent table: that means the update fails */ static ulint row_ins_cascade_calc_update_vec( /*============================*/ - /* out: number of fields in the - calculated update vector; the value - can also be 0 if no foreign key - fields changed; the returned value - is ULINT_UNDEFINED if the column - type in the child table is too short - to fit the new value in the parent - table: that means the update fails */ - upd_node_t* node, /* in: update node of the parent + upd_node_t* node, /*!< in: update node of the parent table */ - dict_foreign_t* foreign, /* in: foreign key constraint whose + dict_foreign_t* foreign, /*!< in: foreign key constraint whose type is != 0 */ - mem_heap_t* heap) /* in: memory heap to use as + mem_heap_t* heap) /*!< in: memory heap to use as temporary storage */ { upd_node_t* cascade = node->cascade_node; @@ -597,8 +590,8 @@ static void row_ins_set_detailed( /*=================*/ - trx_t* trx, /* in: transaction */ - dict_foreign_t* foreign) /* in: foreign key constraint */ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign) /*!< in: foreign key constraint */ { mutex_enter(&srv_misc_tmpfile_mutex); rewind(srv_misc_tmpfile); @@ -623,14 +616,14 @@ static void row_ins_foreign_report_err( /*=======================*/ - const char* errstr, /* in: error string from the viewpoint + const char* errstr, /*!< in: error string from the viewpoint of the parent table */ - que_thr_t* thr, /* in: query thread whose run_node + que_thr_t* thr, /*!< in: query thread whose run_node is an update node */ - dict_foreign_t* foreign, /* in: foreign key constraint */ - const rec_t* rec, /* in: a matching index record in the + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + const rec_t* rec, /*!< in: a matching index record in the child table */ - const dtuple_t* entry) /* in: index entry in the parent + const dtuple_t* entry) /*!< in: index entry in the parent table */ { FILE* ef = dict_foreign_err_file; @@ -680,12 +673,12 @@ static void row_ins_foreign_report_add_err( /*===========================*/ - trx_t* trx, /* in: transaction */ - dict_foreign_t* foreign, /* in: foreign key constraint */ - const rec_t* rec, /* in: a record in the parent table: + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + const rec_t* rec, /*!< in: a record in the parent table: it does not match entry because we have an error! */ - const dtuple_t* entry) /* in: index entry to insert in the + const dtuple_t* entry) /*!< in: index entry to insert in the child table */ { FILE* ef = dict_foreign_err_file; @@ -736,9 +729,9 @@ static void row_ins_invalidate_query_cache( /*===========================*/ - que_thr_t* thr, /* in: query thread whose run_node + que_thr_t* thr, /*!< in: query thread whose run_node is an update node */ - const char* name) /* in: table name prefixed with + const char* name) /*!< in: table name prefixed with database name and a '/' character */ { char* buf; @@ -758,22 +751,21 @@ row_ins_invalidate_query_cache( /************************************************************************* Perform referential actions or checks when a parent row is deleted or updated and the constraint had an ON DELETE or ON UPDATE condition which was not -RESTRICT. */ +RESTRICT. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ static ulint row_ins_foreign_check_on_constraint( /*================================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - or error code */ - que_thr_t* thr, /* in: query thread whose run_node + que_thr_t* thr, /*!< in: query thread whose run_node is an update node */ - dict_foreign_t* foreign, /* in: foreign key constraint whose + dict_foreign_t* foreign, /*!< in: foreign key constraint whose type is != 0 */ - btr_pcur_t* pcur, /* in: cursor placed on a matching + btr_pcur_t* pcur, /*!< in: cursor placed on a matching index record in the child table */ - dtuple_t* entry, /* in: index entry in the parent + dtuple_t* entry, /*!< in: index entry in the parent table */ - mtr_t* mtr) /* in: mtr holding the latch of pcur + mtr_t* mtr) /*!< in: mtr holding the latch of pcur page */ { upd_node_t* node; @@ -1124,19 +1116,19 @@ nonstandard_exit_func: /************************************************************************* Sets a shared lock on a record. Used in locking possible duplicate key -records and also in checking foreign key constraints. */ +records and also in checking foreign key constraints. +@return DB_SUCCESS or error code */ static ulint row_ins_set_shared_rec_lock( /*========================*/ - /* out: DB_SUCCESS or error code */ - ulint type, /* in: LOCK_ORDINARY, LOCK_GAP, or + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP type lock */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /* in: query thread */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -1155,19 +1147,19 @@ row_ins_set_shared_rec_lock( /************************************************************************* Sets a exclusive lock on a record. Used in locking possible duplicate key -records */ +records +@return DB_SUCCESS or error code */ static ulint row_ins_set_exclusive_rec_lock( /*===========================*/ - /* out: DB_SUCCESS or error code */ - ulint type, /* in: LOCK_ORDINARY, LOCK_GAP, or + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP type lock */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /* in: query thread */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -1187,24 +1179,22 @@ row_ins_set_exclusive_rec_lock( /******************************************************************* Checks if foreign key constraint fails for an index entry. Sets shared locks which lock either the success or the failure of the constraint. NOTE that -the caller must have a shared latch on dict_operation_lock. */ +the caller must have a shared latch on dict_operation_lock. +@return DB_SUCCESS, DB_NO_REFERENCED_ROW, or DB_ROW_IS_REFERENCED */ UNIV_INTERN ulint row_ins_check_foreign_constraint( /*=============================*/ - /* out: DB_SUCCESS, - DB_NO_REFERENCED_ROW, - or DB_ROW_IS_REFERENCED */ - ibool check_ref,/* in: TRUE if we want to check that + ibool check_ref,/*!< in: TRUE if we want to check that the referenced table is ok, FALSE if we want to to check the foreign key table */ - dict_foreign_t* foreign,/* in: foreign constraint; NOTE that the + dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the tables mentioned in it must be in the dictionary cache if they exist at all */ - dict_table_t* table, /* in: if check_ref is TRUE, then the foreign + dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign table, else the referenced table */ - dtuple_t* entry, /* in: index entry for index */ - que_thr_t* thr) /* in: query thread */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr) /*!< in: query thread */ { upd_node_t* upd_node; dict_table_t* check_table; @@ -1513,16 +1503,16 @@ Checks if foreign key constraints fail for an index entry. If index is not mentioned in any constraint, this function does nothing, Otherwise does searches to the indexes of referenced tables and sets shared locks which lock either the success or the failure of -a constraint. */ +a constraint. +@return DB_SUCCESS or error code */ static ulint row_ins_check_foreign_constraints( /*==============================*/ - /* out: DB_SUCCESS or error code */ - dict_table_t* table, /* in: table */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry for index */ - que_thr_t* thr) /* in: query thread */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr) /*!< in: query thread */ { dict_foreign_t* foreign; ulint err; @@ -1592,18 +1582,18 @@ row_ins_check_foreign_constraints( /******************************************************************* Checks if a unique key violation to rec would occur at the index entry -insert. */ +insert. +@return TRUE if error */ static ibool row_ins_dupl_error_with_rec( /*========================*/ - /* out: TRUE if error */ - const rec_t* rec, /* in: user record; NOTE that we assume + const rec_t* rec, /*!< in: user record; NOTE that we assume that the caller already has a record lock on the record! */ - const dtuple_t* entry, /* in: entry to insert */ - dict_index_t* index, /* in: index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const dtuple_t* entry, /*!< in: entry to insert */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint matched_fields; ulint matched_bytes; @@ -1645,16 +1635,15 @@ row_ins_dupl_error_with_rec( /******************************************************************* Scans a unique non-clustered index at a given index entry to determine whether a uniqueness violation has occurred for the key value of the entry. -Set shared locks on possible duplicate records. */ +Set shared locks on possible duplicate records. +@return DB_SUCCESS, DB_DUPLICATE_KEY, or DB_LOCK_WAIT */ static ulint row_ins_scan_sec_index_for_duplicate( /*=================================*/ - /* out: DB_SUCCESS, DB_DUPLICATE_KEY, or - DB_LOCK_WAIT */ - dict_index_t* index, /* in: non-clustered unique index */ - dtuple_t* entry, /* in: index entry */ - que_thr_t* thr) /* in: query thread */ + dict_index_t* index, /*!< in: non-clustered unique index */ + dtuple_t* entry, /*!< in: index entry */ + que_thr_t* thr) /*!< in: query thread */ { ulint n_unique; ulint i; @@ -1770,19 +1759,16 @@ row_ins_scan_sec_index_for_duplicate( /******************************************************************* Checks if a unique key violation error would occur at an index entry insert. Sets shared locks on possible duplicate records. Works only -for a clustered index! */ +for a clustered index! +@return DB_SUCCESS if no error, DB_DUPLICATE_KEY if error, DB_LOCK_WAIT if we have to wait for a lock on a possible duplicate record */ static ulint row_ins_duplicate_error_in_clust( /*=============================*/ - /* out: DB_SUCCESS if no error, - DB_DUPLICATE_KEY if error, DB_LOCK_WAIT if we - have to wait for a lock on a possible - duplicate record */ - btr_cur_t* cursor, /* in: B-tree cursor */ - dtuple_t* entry, /* in: entry to insert */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr */ + btr_cur_t* cursor, /*!< in: B-tree cursor */ + dtuple_t* entry, /*!< in: entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ { ulint err; rec_t* rec; @@ -1914,17 +1900,13 @@ Checks if an index entry has long enough common prefix with an existing record so that the intended insert of the entry must be changed to a modify of the existing record. In the case of a clustered index, the prefix must be n_unique fields long, and in the case of a secondary index, all fields must be -equal. */ +equal. +@return 0 if no update, ROW_INS_PREV if previous should be updated; currently we do the search so that only the low_match record can match enough to the search tuple, not the next record */ UNIV_INLINE ulint row_ins_must_modify( /*================*/ - /* out: 0 if no update, ROW_INS_PREV if - previous should be updated; currently we - do the search so that only the low_match - record can match enough to the search tuple, - not the next record */ - btr_cur_t* cursor) /* in: B-tree cursor */ + btr_cur_t* cursor) /*!< in: B-tree cursor */ { ulint enough_match; rec_t* rec; @@ -1959,20 +1941,19 @@ violation error occurs. The delete marked record is then updated to an existing record, and we must write an undo log record on the delete marked record. If the index is secondary, and a record with exactly the same fields is found, the other record is necessarily marked deleted. -It is then unmarked. Otherwise, the entry is just inserted to the index. */ +It is then unmarked. Otherwise, the entry is just inserted to the index. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL if pessimistic retry needed, or error code */ static ulint row_ins_index_entry_low( /*====================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL - if pessimistic retry needed, or error code */ - ulint mode, /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, depending on whether we wish optimistic or pessimistic descent down the index tree */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry to insert */ - ulint n_ext, /* in: number of externally stored columns */ - que_thr_t* thr) /* in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr) /*!< in: query thread */ { btr_cur_t cursor; ulint search_mode; @@ -2146,18 +2127,17 @@ function_exit: Inserts an index entry to index. Tries first optimistic, then pessimistic descent down the tree. If the entry matches enough to a delete marked record, performs the insert by updating or delete unmarking the delete marked -record. */ +record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ UNIV_INTERN ulint row_ins_index_entry( /*================*/ - /* out: DB_SUCCESS, DB_LOCK_WAIT, - DB_DUPLICATE_KEY, or some other error code */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry to insert */ - ulint n_ext, /* in: number of externally stored columns */ - ibool foreign,/* in: TRUE=check foreign key constraints */ - que_thr_t* thr) /* in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + ibool foreign,/*!< in: TRUE=check foreign key constraints */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -2193,9 +2173,9 @@ static void row_ins_index_entry_set_vals( /*=========================*/ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry to make */ - const dtuple_t* row) /* in: row */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to make */ + const dtuple_t* row) /*!< in: row */ { ulint n_fields; ulint i; @@ -2239,15 +2219,14 @@ row_ins_index_entry_set_vals( } /*************************************************************** -Inserts a single index entry to the table. */ +Inserts a single index entry to the table. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_ins_index_entry_step( /*=====================*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - ins_node_t* node, /* in: row insert node */ - que_thr_t* thr) /* in: query thread */ + ins_node_t* node, /*!< in: row insert node */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -2268,7 +2247,7 @@ UNIV_INLINE void row_ins_alloc_row_id_step( /*======================*/ - ins_node_t* node) /* in: row insert node */ + ins_node_t* node) /*!< in: row insert node */ { dulint row_id; @@ -2294,7 +2273,7 @@ UNIV_INLINE void row_ins_get_row_from_values( /*========================*/ - ins_node_t* node) /* in: row insert node */ + ins_node_t* node) /*!< in: row insert node */ { que_node_t* list_node; dfield_t* dfield; @@ -2327,7 +2306,7 @@ UNIV_INLINE void row_ins_get_row_from_select( /*========================*/ - ins_node_t* node) /* in: row insert node */ + ins_node_t* node) /*!< in: row insert node */ { que_node_t* list_node; dfield_t* dfield; @@ -2353,15 +2332,14 @@ row_ins_get_row_from_select( } /*************************************************************** -Inserts a row to a table. */ +Inserts a row to a table. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_ins( /*====*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - ins_node_t* node, /* in: row insert node */ - que_thr_t* thr) /* in: query thread */ + ins_node_t* node, /*!< in: row insert node */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; @@ -2409,13 +2387,13 @@ row_ins( /*************************************************************** Inserts a row to a table. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_ins_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ins_node_t* node; que_node_t* parent; diff --git a/row/row0merge.c b/row/row0merge.c index 44e8a121525..e33198435d0 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -122,9 +122,9 @@ static void row_merge_tuple_print( /*==================*/ - FILE* f, /* in: output stream */ - const dfield_t* entry, /* in: tuple to print */ - ulint n_fields)/* in: number of fields in the tuple */ + FILE* f, /*!< in: output stream */ + const dfield_t* entry, /*!< in: tuple to print */ + ulint n_fields)/*!< in: number of fields in the tuple */ { ulint j; @@ -152,16 +152,16 @@ row_merge_tuple_print( #endif /* UNIV_DEBUG */ /********************************************************** -Allocate a sort buffer. */ +Allocate a sort buffer. +@return own: sort buffer */ static row_merge_buf_t* row_merge_buf_create_low( /*=====================*/ - /* out,own: sort buffer */ - mem_heap_t* heap, /* in: heap where allocated */ - dict_index_t* index, /* in: secondary index */ - ulint max_tuples, /* in: maximum number of data tuples */ - ulint buf_size) /* in: size of the buffer, in bytes */ + mem_heap_t* heap, /*!< in: heap where allocated */ + dict_index_t* index, /*!< in: secondary index */ + ulint max_tuples, /*!< in: maximum number of data tuples */ + ulint buf_size) /*!< in: size of the buffer, in bytes */ { row_merge_buf_t* buf; @@ -181,13 +181,13 @@ row_merge_buf_create_low( } /********************************************************** -Allocate a sort buffer. */ +Allocate a sort buffer. +@return own: sort buffer */ static row_merge_buf_t* row_merge_buf_create( /*=================*/ - /* out,own: sort buffer */ - dict_index_t* index) /* in: secondary index */ + dict_index_t* index) /*!< in: secondary index */ { row_merge_buf_t* buf; ulint max_tuples; @@ -207,13 +207,13 @@ row_merge_buf_create( } /********************************************************** -Empty a sort buffer. */ +Empty a sort buffer. +@return sort buffer */ static row_merge_buf_t* row_merge_buf_empty( /*================*/ - /* out: sort buffer */ - row_merge_buf_t* buf) /* in,own: sort buffer */ + row_merge_buf_t* buf) /*!< in,own: sort buffer */ { ulint buf_size; ulint max_tuples = buf->max_tuples; @@ -233,22 +233,21 @@ static void row_merge_buf_free( /*===============*/ - row_merge_buf_t* buf) /* in,own: sort buffer, to be freed */ + row_merge_buf_t* buf) /*!< in,own: sort buffer, to be freed */ { mem_heap_free(buf->heap); } /********************************************************** -Insert a data tuple into a sort buffer. */ +Insert a data tuple into a sort buffer. +@return TRUE if added, FALSE if out of space */ static ibool row_merge_buf_add( /*==============*/ - /* out: TRUE if added, - FALSE if out of space */ - row_merge_buf_t* buf, /* in/out: sort buffer */ - const dtuple_t* row, /* in: row in clustered index */ - const row_ext_t* ext) /* in: cache of externally stored + row_merge_buf_t* buf, /*!< in/out: sort buffer */ + const dtuple_t* row, /*!< in: row in clustered index */ + const row_ext_t* ext) /*!< in: cache of externally stored column prefixes, or NULL */ { ulint i; @@ -409,8 +408,8 @@ static void row_merge_dup_report( /*=================*/ - row_merge_dup_t* dup, /* in/out: for reporting duplicates */ - const dfield_t* entry) /* in: duplicate index entry */ + row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ + const dfield_t* entry) /*!< in: duplicate index entry */ { mrec_buf_t buf; const dtuple_t* tuple; @@ -448,17 +447,16 @@ row_merge_dup_report( } /***************************************************************** -Compare two tuples. */ +Compare two tuples. +@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ static int row_merge_tuple_cmp( /*================*/ - /* out: 1, 0, -1 if a is greater, - equal, less, respectively, than b */ - ulint n_field,/* in: number of fields */ - const dfield_t* a, /* in: first tuple to be compared */ - const dfield_t* b, /* in: second tuple to be compared */ - row_merge_dup_t* dup) /* in/out: for reporting duplicates */ + ulint n_field,/*!< in: number of fields */ + const dfield_t* a, /*!< in: first tuple to be compared */ + const dfield_t* b, /*!< in: second tuple to be compared */ + row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ { int cmp; const dfield_t* field = a; @@ -495,13 +493,13 @@ static void row_merge_tuple_sort( /*=================*/ - ulint n_field,/* in: number of fields */ - row_merge_dup_t* dup, /* in/out: for reporting duplicates */ - const dfield_t** tuples, /* in/out: tuples */ - const dfield_t** aux, /* in/out: work area */ - ulint low, /* in: lower bound of the + ulint n_field,/*!< in: number of fields */ + row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ + const dfield_t** tuples, /*!< in/out: tuples */ + const dfield_t** aux, /*!< in/out: work area */ + ulint low, /*!< in: lower bound of the sorting area, inclusive */ - ulint high) /* in: upper bound of the + ulint high) /*!< in: upper bound of the sorting area, exclusive */ { #define row_merge_tuple_sort_ctx(a,b,c,d) \ @@ -518,8 +516,8 @@ static void row_merge_buf_sort( /*===============*/ - row_merge_buf_t* buf, /* in/out: sort buffer */ - row_merge_dup_t* dup) /* in/out: for reporting duplicates */ + row_merge_buf_t* buf, /*!< in/out: sort buffer */ + row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ { row_merge_tuple_sort(dict_index_get_n_unique(buf->index), dup, buf->tuples, buf->tmp_tuples, 0, buf->n_tuples); @@ -531,11 +529,11 @@ static void row_merge_buf_write( /*================*/ - const row_merge_buf_t* buf, /* in: sorted buffer */ + const row_merge_buf_t* buf, /*!< in: sorted buffer */ #ifdef UNIV_DEBUG - const merge_file_t* of, /* in: output file */ + const merge_file_t* of, /*!< in: output file */ #endif /* UNIV_DEBUG */ - row_merge_block_t* block) /* out: buffer for writing to file */ + row_merge_block_t* block) /*!< out: buffer for writing to file */ #ifndef UNIV_DEBUG # define row_merge_buf_write(buf, of, block) row_merge_buf_write(buf, block) #endif /* !UNIV_DEBUG */ @@ -605,15 +603,15 @@ row_merge_buf_write( } /********************************************************** -Create a memory heap and allocate space for row_merge_rec_offsets(). */ +Create a memory heap and allocate space for row_merge_rec_offsets(). +@return memory heap */ static mem_heap_t* row_merge_heap_create( /*==================*/ - /* out: memory heap */ - const dict_index_t* index, /* in: record descriptor */ - ulint** offsets1, /* out: offsets */ - ulint** offsets2) /* out: offsets */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint** offsets1, /*!< out: offsets */ + ulint** offsets2) /*!< out: offsets */ { ulint i = 1 + REC_OFFS_HEADER_SIZE + dict_index_get_n_fields(index); @@ -630,15 +628,14 @@ row_merge_heap_create( /************************************************************************** Search an index object by name and column names. If several indexes match, -return the index with the max id. */ +return the index with the max id. +@return matching index, NULL if not found */ static dict_index_t* row_merge_dict_table_get_index( /*===========================*/ - /* out: matching index, - NULL if not found */ - dict_table_t* table, /* in: table */ - const merge_index_def_t*index_def) /* in: index definition */ + dict_table_t* table, /*!< in: table */ + const merge_index_def_t*index_def) /*!< in: index definition */ { ulint i; dict_index_t* index; @@ -659,16 +656,15 @@ row_merge_dict_table_get_index( } /************************************************************************ -Read a merge block from the file system. */ +Read a merge block from the file system. +@return TRUE if request was successful, FALSE if fail */ static ibool row_merge_read( /*===========*/ - /* out: TRUE if request was - successful, FALSE if fail */ - int fd, /* in: file descriptor */ - ulint offset, /* in: offset where to read */ - row_merge_block_t* buf) /* out: data */ + int fd, /*!< in: file descriptor */ + ulint offset, /*!< in: offset where to read */ + row_merge_block_t* buf) /*!< out: data */ { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof *buf; ibool success; @@ -690,16 +686,15 @@ row_merge_read( } /************************************************************************ -Read a merge block from the file system. */ +Read a merge block from the file system. +@return TRUE if request was successful, FALSE if fail */ static ibool row_merge_write( /*============*/ - /* out: TRUE if request was - successful, FALSE if fail */ - int fd, /* in: file descriptor */ - ulint offset, /* in: offset where to write */ - const void* buf) /* in: data */ + int fd, /*!< in: file descriptor */ + ulint offset, /*!< in: offset where to write */ + const void* buf) /*!< in: data */ { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof(row_merge_block_t); @@ -718,24 +713,22 @@ row_merge_write( } /************************************************************************ -Read a merge record. */ +Read a merge record. +@return pointer to next record, or NULL on I/O error or end of list */ static const byte* row_merge_read_rec( /*===============*/ - /* out: pointer to next record, - or NULL on I/O error - or end of list */ - row_merge_block_t* block, /* in/out: file buffer */ - mrec_buf_t* buf, /* in/out: secondary buffer */ - const byte* b, /* in: pointer to record */ - const dict_index_t* index, /* in: index of the record */ - int fd, /* in: file descriptor */ - ulint* foffs, /* in/out: file offset */ - const mrec_t** mrec, /* out: pointer to merge record, + row_merge_block_t* block, /*!< in/out: file buffer */ + mrec_buf_t* buf, /*!< in/out: secondary buffer */ + const byte* b, /*!< in: pointer to record */ + const dict_index_t* index, /*!< in: index of the record */ + int fd, /*!< in: file descriptor */ + ulint* foffs, /*!< in/out: file offset */ + const mrec_t** mrec, /*!< out: pointer to merge record, or NULL on end of list (non-NULL on I/O error) */ - ulint* offsets)/* out: offsets of mrec */ + ulint* offsets)/*!< out: offsets of mrec */ { ulint extra_size; ulint data_size; @@ -887,15 +880,15 @@ static void row_merge_write_rec_low( /*====================*/ - byte* b, /* out: buffer */ - ulint e, /* in: encoded extra_size */ + byte* b, /*!< out: buffer */ + ulint e, /*!< in: encoded extra_size */ #ifdef UNIV_DEBUG - ulint size, /* in: total size to write */ - int fd, /* in: file descriptor */ - ulint foffs, /* in: file offset */ + ulint size, /*!< in: total size to write */ + int fd, /*!< in: file descriptor */ + ulint foffs, /*!< in: file offset */ #endif /* UNIV_DEBUG */ - const mrec_t* mrec, /* in: record to write */ - const ulint* offsets)/* in: offsets of mrec */ + const mrec_t* mrec, /*!< in: record to write */ + const ulint* offsets)/*!< in: offsets of mrec */ #ifndef UNIV_DEBUG # define row_merge_write_rec_low(b, e, size, fd, foffs, mrec, offsets) \ row_merge_write_rec_low(b, e, mrec, offsets) @@ -925,20 +918,19 @@ row_merge_write_rec_low( } /************************************************************************ -Write a merge record. */ +Write a merge record. +@return pointer to end of block, or NULL on error */ static byte* row_merge_write_rec( /*================*/ - /* out: pointer to end of block, - or NULL on error */ - row_merge_block_t* block, /* in/out: file buffer */ - mrec_buf_t* buf, /* in/out: secondary buffer */ - byte* b, /* in: pointer to end of block */ - int fd, /* in: file descriptor */ - ulint* foffs, /* in/out: file offset */ - const mrec_t* mrec, /* in: record to write */ - const ulint* offsets)/* in: offsets of mrec */ + row_merge_block_t* block, /*!< in/out: file buffer */ + mrec_buf_t* buf, /*!< in/out: secondary buffer */ + byte* b, /*!< in: pointer to end of block */ + int fd, /*!< in: file descriptor */ + ulint* foffs, /*!< in/out: file offset */ + const mrec_t* mrec, /*!< in: record to write */ + const ulint* offsets)/*!< in: offsets of mrec */ { ulint extra_size; ulint size; @@ -993,17 +985,16 @@ row_merge_write_rec( } /************************************************************************ -Write an end-of-list marker. */ +Write an end-of-list marker. +@return pointer to end of block, or NULL on error */ static byte* row_merge_write_eof( /*================*/ - /* out: pointer to end of block, - or NULL on error */ - row_merge_block_t* block, /* in/out: file buffer */ - byte* b, /* in: pointer to end of block */ - int fd, /* in: file descriptor */ - ulint* foffs) /* in/out: file offset */ + row_merge_block_t* block, /*!< in/out: file buffer */ + byte* b, /*!< in: pointer to end of block */ + int fd, /*!< in: file descriptor */ + ulint* foffs) /*!< in/out: file offset */ { ut_ad(block); ut_ad(b >= block[0]); @@ -1034,21 +1025,19 @@ row_merge_write_eof( } /***************************************************************** -Compare two merge records. */ +Compare two merge records. +@return 1, 0, -1 if mrec1 is greater, equal, less, respectively, than mrec2 */ static int row_merge_cmp( /*==========*/ - /* out: 1, 0, -1 if - mrec1 is greater, equal, less, - respectively, than mrec2 */ - const mrec_t* mrec1, /* in: first merge + const mrec_t* mrec1, /*!< in: first merge record to be compared */ - const mrec_t* mrec2, /* in: second merge + const mrec_t* mrec2, /*!< in: second merge record to be compared */ - const ulint* offsets1, /* in: first record offsets */ - const ulint* offsets2, /* in: second record offsets */ - const dict_index_t* index) /* in: index */ + const ulint* offsets1, /*!< in: first record offsets */ + const ulint* offsets2, /*!< in: second record offsets */ + const dict_index_t* index) /*!< in: index */ { int cmp; @@ -1069,24 +1058,24 @@ row_merge_cmp( /************************************************************************ Reads clustered index of the table and create temporary files -containing the index entries for the indexes to be built. */ +containing the index entries for the indexes to be built. +@return DB_SUCCESS or error */ static ulint row_merge_read_clustered_index( /*===========================*/ - /* out: DB_SUCCESS or error */ - trx_t* trx, /* in: transaction */ - TABLE* table, /* in/out: MySQL table object, + trx_t* trx, /*!< in: transaction */ + TABLE* table, /*!< in/out: MySQL table object, for reporting erroneous records */ - const dict_table_t* old_table,/* in: table where rows are + const dict_table_t* old_table,/*!< in: table where rows are read from */ - const dict_table_t* new_table,/* in: table where indexes are + const dict_table_t* new_table,/*!< in: table where indexes are created; identical to old_table unless creating a PRIMARY KEY */ - dict_index_t** index, /* in: indexes to be created */ - merge_file_t* files, /* in: temporary files */ - ulint n_index,/* in: number of indexes to create */ - row_merge_block_t* block) /* in/out: file buffer */ + dict_index_t** index, /*!< in: indexes to be created */ + merge_file_t* files, /*!< in: temporary files */ + ulint n_index,/*!< in: number of indexes to create */ + row_merge_block_t* block) /*!< in/out: file buffer */ { dict_index_t* clust_index; /* Clustered index */ mem_heap_t* row_heap; /* Heap memory to create @@ -1314,22 +1303,22 @@ func_exit: } /***************************************************************** -Merge two blocks of linked lists on disk and write a bigger block. */ +Merge two blocks of linked lists on disk and write a bigger block. +@return DB_SUCCESS or error code */ static ulint row_merge_blocks( /*=============*/ - /* out: DB_SUCCESS or error code */ - const dict_index_t* index, /* in: index being created */ - merge_file_t* file, /* in/out: file containing + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing index entries */ - row_merge_block_t* block, /* in/out: 3 buffers */ - ulint* foffs0, /* in/out: offset of first + row_merge_block_t* block, /*!< in/out: 3 buffers */ + ulint* foffs0, /*!< in/out: offset of first source list in the file */ - ulint* foffs1, /* in/out: offset of second + ulint* foffs1, /*!< in/out: offset of second source list in the file */ - merge_file_t* of, /* in/out: output file */ - TABLE* table) /* in/out: MySQL table, for + merge_file_t* of, /*!< in/out: output file */ + TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -1435,19 +1424,19 @@ done1: } /***************************************************************** -Merge disk files. */ +Merge disk files. +@return DB_SUCCESS or error code */ static ulint row_merge( /*======*/ - /* out: DB_SUCCESS or error code */ - const dict_index_t* index, /* in: index being created */ - merge_file_t* file, /* in/out: file containing + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing index entries */ - ulint half, /* in: half the file */ - row_merge_block_t* block, /* in/out: 3 buffers */ - int* tmpfd, /* in/out: temporary file handle */ - TABLE* table) /* in/out: MySQL table, for + ulint half, /*!< in: half the file */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + int* tmpfd, /*!< in/out: temporary file handle */ + TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -1505,18 +1494,18 @@ row_merge( } /***************************************************************** -Merge disk files. */ +Merge disk files. +@return DB_SUCCESS or error code */ static ulint row_merge_sort( /*===========*/ - /* out: DB_SUCCESS or error code */ - const dict_index_t* index, /* in: index being created */ - merge_file_t* file, /* in/out: file containing + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing index entries */ - row_merge_block_t* block, /* in/out: 3 buffers */ - int* tmpfd, /* in/out: temporary file handle */ - TABLE* table) /* in/out: MySQL table, for + row_merge_block_t* block, /*!< in/out: 3 buffers */ + int* tmpfd, /*!< in/out: temporary file handle */ + TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -1544,11 +1533,11 @@ static void row_merge_copy_blobs( /*=================*/ - const mrec_t* mrec, /* in: merge record */ - const ulint* offsets,/* in: offsets of mrec */ - ulint zip_size,/* in: compressed page size in bytes, or 0 */ - dtuple_t* tuple, /* in/out: data tuple */ - mem_heap_t* heap) /* in/out: memory heap */ + const mrec_t* mrec, /*!< in: merge record */ + const ulint* offsets,/*!< in: offsets of mrec */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + dtuple_t* tuple, /*!< in/out: data tuple */ + mem_heap_t* heap) /*!< in/out: memory heap */ { ulint i; ulint n_fields = dtuple_get_n_fields(tuple); @@ -1578,19 +1567,19 @@ row_merge_copy_blobs( /************************************************************************ Read sorted file containing index data tuples and insert these data -tuples to the index */ +tuples to the index +@return DB_SUCCESS or error number */ static ulint row_merge_insert_index_tuples( /*==========================*/ - /* out: DB_SUCCESS or error number */ - trx_t* trx, /* in: transaction */ - dict_index_t* index, /* in: index */ - dict_table_t* table, /* in: new table */ - ulint zip_size,/* in: compressed page size of + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: index */ + dict_table_t* table, /*!< in: new table */ + ulint zip_size,/*!< in: compressed page size of the old table, or 0 if uncompressed */ - int fd, /* in: file descriptor */ - row_merge_block_t* block) /* in/out: file buffer */ + int fd, /*!< in: file descriptor */ + row_merge_block_t* block) /*!< in/out: file buffer */ { mrec_buf_t buf; const byte* b; @@ -1699,15 +1688,15 @@ err_exit: } /************************************************************************* -Sets an exclusive lock on a table, for the duration of creating indexes. */ +Sets an exclusive lock on a table, for the duration of creating indexes. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_merge_lock_table( /*=================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in/out: transaction */ - dict_table_t* table, /* in: table to lock */ - enum lock_mode mode) /* in: LOCK_X or LOCK_S */ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table, /*!< in: table to lock */ + enum lock_mode mode) /*!< in: LOCK_X or LOCK_S */ { mem_heap_t* heap; que_thr_t* thr; @@ -1785,9 +1774,9 @@ UNIV_INTERN void row_merge_drop_index( /*=================*/ - dict_index_t* index, /* in: index to be removed */ - dict_table_t* table, /* in: table */ - trx_t* trx) /* in: transaction handle */ + dict_index_t* index, /*!< in: index to be removed */ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction handle */ { ulint err; pars_info_t* info = pars_info_create(); @@ -1837,10 +1826,10 @@ UNIV_INTERN void row_merge_drop_indexes( /*===================*/ - trx_t* trx, /* in: transaction */ - dict_table_t* table, /* in: table containing the indexes */ - dict_index_t** index, /* in: indexes to drop */ - ulint num_created) /* in: number of elements in index[] */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table containing the indexes */ + dict_index_t** index, /*!< in: indexes to drop */ + ulint num_created) /*!< in: number of elements in index[] */ { ulint key_num; @@ -1911,7 +1900,7 @@ static void row_merge_file_create( /*==================*/ - merge_file_t* merge_file) /* out: merge file structure */ + merge_file_t* merge_file) /*!< out: merge file structure */ { merge_file->fd = innobase_mysql_tmpfile(); merge_file->offset = 0; @@ -1923,7 +1912,7 @@ static void row_merge_file_destroy( /*===================*/ - merge_file_t* merge_file) /* out: merge file structure */ + merge_file_t* merge_file) /*!< out: merge file structure */ { if (merge_file->fd != -1) { close(merge_file->fd); @@ -1933,16 +1922,15 @@ row_merge_file_destroy( /************************************************************************* Determine the precise type of a column that is added to a tem -if a column must be constrained NOT NULL. */ +if a column must be constrained NOT NULL. +@return col->prtype, possibly ORed with DATA_NOT_NULL */ UNIV_INLINE ulint row_merge_col_prtype( /*=================*/ - /* out: col->prtype, possibly - ORed with DATA_NOT_NULL */ - const dict_col_t* col, /* in: column */ - const char* col_name, /* in: name of the column */ - const merge_index_def_t*index_def) /* in: the index definition + const dict_col_t* col, /*!< in: column */ + const char* col_name, /*!< in: name of the column */ + const merge_index_def_t*index_def) /*!< in: the index definition of the primary key */ { ulint prtype = col->prtype; @@ -1969,18 +1957,17 @@ row_merge_col_prtype( /************************************************************************* Create a temporary table for creating a primary key, using the definition -of an existing table. */ +of an existing table. +@return table, or NULL on error */ UNIV_INTERN dict_table_t* row_merge_create_temporary_table( /*=============================*/ - /* out: table, - or NULL on error */ - const char* table_name, /* in: new table name */ - const merge_index_def_t*index_def, /* in: the index definition + const char* table_name, /*!< in: new table name */ + const merge_index_def_t*index_def, /*!< in: the index definition of the primary key */ - const dict_table_t* table, /* in: old table definition */ - trx_t* trx) /* in/out: transaction + const dict_table_t* table, /*!< in: old table definition */ + trx_t* trx) /*!< in/out: transaction (sets error_state) */ { ulint i; @@ -2023,14 +2010,14 @@ row_merge_create_temporary_table( /************************************************************************* Rename the temporary indexes in the dictionary to permanent ones. The data dictionary must have been locked exclusively by the caller, -because the transaction will not be committed. */ +because the transaction will not be committed. +@return DB_SUCCESS if all OK */ UNIV_INTERN ulint row_merge_rename_indexes( /*=====================*/ - /* out: DB_SUCCESS if all OK */ - trx_t* trx, /* in/out: transaction */ - dict_table_t* table) /* in/out: table with new indexes */ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table) /*!< in/out: table with new indexes */ { ulint err = DB_SUCCESS; pars_info_t* info = pars_info_create(); @@ -2077,18 +2064,18 @@ row_merge_rename_indexes( /************************************************************************* Rename the tables in the data dictionary. The data dictionary must have been locked exclusively by the caller, because the transaction -will not be committed. */ +will not be committed. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_merge_rename_tables( /*====================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* old_table, /* in/out: old table, renamed to + dict_table_t* old_table, /*!< in/out: old table, renamed to tmp_name */ - dict_table_t* new_table, /* in/out: new table, renamed to + dict_table_t* new_table, /*!< in/out: new table, renamed to old_table->name */ - const char* tmp_name, /* in: new name for old_table */ - trx_t* trx) /* in: transaction handle */ + const char* tmp_name, /*!< in: new name for old_table */ + trx_t* trx) /*!< in: transaction handle */ { ulint err = DB_ERROR; pars_info_t* info; @@ -2150,15 +2137,15 @@ err_exit: } /************************************************************************* -Create and execute a query graph for creating an index. */ +Create and execute a query graph for creating an index. +@return DB_SUCCESS or error code */ static ulint row_merge_create_index_graph( /*=========================*/ - /* out: DB_SUCCESS or error code */ - trx_t* trx, /* in: trx */ - dict_table_t* table, /* in: table */ - dict_index_t* index) /* in: index */ + trx_t* trx, /*!< in: trx */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: index */ { ind_node_t* node; /* Index creation node */ mem_heap_t* heap; /* Memory heap */ @@ -2187,16 +2174,16 @@ row_merge_create_index_graph( } /************************************************************************* -Create the index and load in to the dictionary. */ +Create the index and load in to the dictionary. +@return index, or NULL on error */ UNIV_INTERN dict_index_t* row_merge_create_index( /*===================*/ - /* out: index, or NULL on error */ - trx_t* trx, /* in/out: trx (sets error_state) */ - dict_table_t* table, /* in: the index is on this table */ + trx_t* trx, /*!< in/out: trx (sets error_state) */ + dict_table_t* table, /*!< in: the index is on this table */ const merge_index_def_t*index_def) - /* in: the index definition */ + /*!< in: the index definition */ { dict_index_t* index; ulint err; @@ -2247,8 +2234,8 @@ UNIV_INTERN ibool row_merge_is_index_usable( /*======================*/ - const trx_t* trx, /* in: transaction */ - const dict_index_t* index) /* in: index to check */ + const trx_t* trx, /*!< in: transaction */ + const dict_index_t* index) /*!< in: index to check */ { return(!trx->read_view || read_view_sees_trx_id( trx->read_view, @@ -2257,14 +2244,14 @@ row_merge_is_index_usable( } /************************************************************************* -Drop the old table. */ +Drop the old table. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_merge_drop_table( /*=================*/ - /* out: DB_SUCCESS or error code */ - trx_t* trx, /* in: transaction */ - dict_table_t* table) /* in: table to drop */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table) /*!< in: table to drop */ { /* There must be no open transactions on the table. */ ut_a(table->n_mysql_handles_opened == 0); @@ -2275,21 +2262,21 @@ row_merge_drop_table( /************************************************************************* Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting -these index entries and inserting sorted index entries to indexes. */ +these index entries and inserting sorted index entries to indexes. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_merge_build_indexes( /*====================*/ - /* out: DB_SUCCESS or error code */ - trx_t* trx, /* in: transaction */ - dict_table_t* old_table, /* in: table where rows are + trx_t* trx, /*!< in: transaction */ + dict_table_t* old_table, /*!< in: table where rows are read from */ - dict_table_t* new_table, /* in: table where indexes are + dict_table_t* new_table, /*!< in: table where indexes are created; identical to old_table unless creating a PRIMARY KEY */ - dict_index_t** indexes, /* in: indexes to be created */ - ulint n_indexes, /* in: size of indexes[] */ - TABLE* table) /* in/out: MySQL table, for + dict_index_t** indexes, /*!< in: indexes to be created */ + ulint n_indexes, /*!< in: size of indexes[] */ + TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { diff --git a/row/row0mysql.c b/row/row0mysql.c index 594e1ca9a5a..94c1deb703a 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -80,13 +80,12 @@ the above strings. */ && memcmp(str1, str2_onstack, sizeof(str2_onstack)) == 0) /*********************************************************************** -Determine if the given name is a name reserved for MySQL system tables. */ +Determine if the given name is a name reserved for MySQL system tables. +@return TRUE if name is a MySQL system table name */ static ibool row_mysql_is_system_table( /*======================*/ - /* out: TRUE if name is a MySQL - system table name */ const char* name) { if (strncmp(name, "mysql/", 6) != 0) { @@ -104,14 +103,13 @@ If a table is not yet in the drop list, adds the table to the list of tables which the master thread drops in background. We need this on Unix because in ALTER TABLE MySQL may call drop table even if the table has running queries on it. Also, if there are running foreign key checks on the table, we drop the -table lazily. */ +table lazily. +@return TRUE if the table was not yet in the drop list, and was added there */ static ibool row_add_table_to_background_drop_list( /*==================================*/ - /* out: TRUE if the table was not yet in the - drop list, and was added there */ - const char* name); /* in: table name */ + const char* name); /*!< in: table name */ /*********************************************************************** Delays an INSERT, DELETE or UPDATE operation if the purge is lagging. */ @@ -131,7 +129,7 @@ UNIV_INTERN void row_mysql_prebuilt_free_blob_heap( /*==============================*/ - row_prebuilt_t* prebuilt) /* in: prebuilt struct of a + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct of a ha_innobase:: table handle */ { mem_heap_free(prebuilt->blob_heap); @@ -140,16 +138,15 @@ row_mysql_prebuilt_free_blob_heap( /*********************************************************************** Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row -format. */ +format. +@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ UNIV_INTERN byte* row_mysql_store_true_var_len( /*=========================*/ - /* out: pointer to the data, we skip the 1 or 2 bytes - at the start that are used to store the len */ - byte* dest, /* in: where to store */ - ulint len, /* in: length, must fit in two bytes */ - ulint lenlen) /* in: storage length of len: either 1 or 2 bytes */ + byte* dest, /*!< in: where to store */ + ulint len, /*!< in: length, must fit in two bytes */ + ulint lenlen) /*!< in: storage length of len: either 1 or 2 bytes */ { if (lenlen == 2) { ut_a(len < 256 * 256); @@ -169,17 +166,15 @@ row_mysql_store_true_var_len( /*********************************************************************** Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and -returns a pointer to the data. */ +returns a pointer to the data. +@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ UNIV_INTERN const byte* row_mysql_read_true_varchar( /*========================*/ - /* out: pointer to the data, we skip - the 1 or 2 bytes at the start that are - used to store the len */ - ulint* len, /* out: variable-length field length */ - const byte* field, /* in: field in the MySQL format */ - ulint lenlen) /* in: storage length of len: either 1 + ulint* len, /*!< out: variable-length field length */ + const byte* field, /*!< in: field in the MySQL format */ + ulint lenlen) /*!< in: storage length of len: either 1 or 2 bytes */ { if (lenlen == 2) { @@ -201,14 +196,14 @@ UNIV_INTERN void row_mysql_store_blob_ref( /*=====================*/ - byte* dest, /* in: where to store */ - ulint col_len,/* in: dest buffer size: determines into + byte* dest, /*!< in: where to store */ + ulint col_len,/*!< in: dest buffer size: determines into how many bytes the BLOB length is stored, the space for the length may vary from 1 to 4 bytes */ - const void* data, /* in: BLOB data; if the value to store + const void* data, /*!< in: BLOB data; if the value to store is SQL NULL this should be NULL pointer */ - ulint len) /* in: BLOB length; if the value to store + ulint len) /*!< in: BLOB length; if the value to store is SQL NULL this should be 0; remember also to set the NULL bit in the MySQL record header! */ @@ -233,16 +228,16 @@ row_mysql_store_blob_ref( } /*********************************************************************** -Reads a reference to a BLOB in the MySQL format. */ +Reads a reference to a BLOB in the MySQL format. +@return pointer to BLOB data */ UNIV_INTERN const byte* row_mysql_read_blob_ref( /*====================*/ - /* out: pointer to BLOB data */ - ulint* len, /* out: BLOB length */ - const byte* ref, /* in: BLOB reference in the + ulint* len, /*!< out: BLOB length */ + const byte* ref, /*!< in: BLOB reference in the MySQL format */ - ulint col_len) /* in: BLOB reference length + ulint col_len) /*!< in: BLOB reference length (not BLOB length) */ { byte* data; @@ -257,38 +252,37 @@ row_mysql_read_blob_ref( /****************************************************************** Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. The counterpart of this function is row_sel_field_store_in_mysql_format() in -row0sel.c. */ +row0sel.c. +@return up to which byte we used buf in the conversion */ UNIV_INTERN byte* row_mysql_store_col_in_innobase_format( /*===================================*/ - /* out: up to which byte we used - buf in the conversion */ - dfield_t* dfield, /* in/out: dfield where dtype + dfield_t* dfield, /*!< in/out: dfield where dtype information must be already set when this function is called! */ - byte* buf, /* in/out: buffer for a converted + byte* buf, /*!< in/out: buffer for a converted integer value; this must be at least col_len long then! */ - ibool row_format_col, /* TRUE if the mysql_data is from + ibool row_format_col, /*!< TRUE if the mysql_data is from a MySQL row, FALSE if from a MySQL key value; in MySQL, a true VARCHAR storage format differs in a row and in a key value: in a key value the length is always stored in 2 bytes! */ - const byte* mysql_data, /* in: MySQL column value, not + const byte* mysql_data, /*!< in: MySQL column value, not SQL NULL; NOTE that dfield may also get a pointer to mysql_data, therefore do not discard this as long as dfield is used! */ - ulint col_len, /* in: MySQL column length; NOTE that + ulint col_len, /*!< in: MySQL column length; NOTE that this is the storage length of the column in the MySQL format row, not necessarily the length of the actual payload data; if the column is a true VARCHAR then this is irrelevant */ - ulint comp) /* in: nonzero=compact format */ + ulint comp) /*!< in: nonzero=compact format */ { const byte* ptr = mysql_data; const dtype_t* dtype; @@ -424,12 +418,12 @@ static void row_mysql_convert_row_to_innobase( /*==============================*/ - dtuple_t* row, /* in/out: Innobase row where the + dtuple_t* row, /*!< in/out: Innobase row where the field type information is already copied there! */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct where template + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct where template must be of type ROW_MYSQL_WHOLE_ROW */ - byte* mysql_rec) /* in: row in the MySQL format; + byte* mysql_rec) /*!< in: row in the MySQL format; NOTE: do not discard as long as row is used, as row may contain pointers to this record! */ @@ -473,20 +467,19 @@ next_column: } /******************************************************************** -Handles user errors and lock waits detected by the database engine. */ +Handles user errors and lock waits detected by the database engine. +@return TRUE if it was a lock wait and we should continue running the query thread */ UNIV_INTERN ibool row_mysql_handle_errors( /*====================*/ - /* out: TRUE if it was a lock wait and - we should continue running the query thread */ - ulint* new_err,/* out: possible new error encountered in + ulint* new_err,/*!< out: possible new error encountered in lock wait, or if no new error, the value of trx->error_state at the entry of this function */ - trx_t* trx, /* in: transaction */ - que_thr_t* thr, /* in: query thread */ - trx_savept_t* savept) /* in: savepoint or NULL */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_savept_t* savept) /*!< in: savepoint or NULL */ { ulint err; @@ -583,13 +576,13 @@ handle_new_error: } /************************************************************************ -Create a prebuilt struct for a MySQL table handle. */ +Create a prebuilt struct for a MySQL table handle. +@return own: a prebuilt struct */ UNIV_INTERN row_prebuilt_t* row_create_prebuilt( /*================*/ - /* out, own: a prebuilt struct */ - dict_table_t* table) /* in: Innobase table handle */ + dict_table_t* table) /*!< in: Innobase table handle */ { row_prebuilt_t* prebuilt; mem_heap_t* heap; @@ -649,8 +642,8 @@ UNIV_INTERN void row_prebuilt_free( /*==============*/ - row_prebuilt_t* prebuilt, /* in, own: prebuilt struct */ - ibool dict_locked) /* in: TRUE=data dictionary locked */ + row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ + ibool dict_locked) /*!< in: TRUE=data dictionary locked */ { ulint i; @@ -735,9 +728,9 @@ UNIV_INTERN void row_update_prebuilt_trx( /*====================*/ - row_prebuilt_t* prebuilt, /* in/out: prebuilt struct + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct in MySQL handle */ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { if (trx->magic_n != TRX_MAGIC_N) { fprintf(stderr, @@ -781,14 +774,13 @@ row_update_prebuilt_trx( /************************************************************************* Gets pointer to a prebuilt dtuple used in insertions. If the insert graph has not yet been built in the prebuilt struct, then this function first -builds it. */ +builds it. +@return prebuilt dtuple; the column type information is also set in it */ static dtuple_t* row_get_prebuilt_insert_row( /*========================*/ - /* out: prebuilt dtuple; the column - type information is also set in it */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { ins_node_t* node; @@ -835,7 +827,7 @@ UNIV_INLINE void row_update_statistics_if_needed( /*============================*/ - dict_table_t* table) /* in: table */ + dict_table_t* table) /*!< in: table */ { ulint counter; @@ -862,7 +854,7 @@ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { mutex_enter(&kernel_mutex); @@ -876,13 +868,13 @@ Sets an AUTO_INC type lock on the table mentioned in prebuilt. The AUTO_INC lock gives exclusive access to the auto-inc counter of the table. The lock is reserved only for the duration of an SQL statement. It is not compatible with another AUTO_INC or exclusive lock on the -table. */ +table. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_lock_table_autoinc_for_mysql( /*=============================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in the MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in the MySQL table handle */ { trx_t* trx = prebuilt->trx; @@ -952,19 +944,19 @@ run_again: } /************************************************************************* -Sets a table lock on the table mentioned in prebuilt. */ +Sets a table lock on the table mentioned in prebuilt. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_lock_table_for_mysql( /*=====================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in the MySQL + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL table handle */ - dict_table_t* table, /* in: table to lock, or NULL + dict_table_t* table, /*!< in: table to lock, or NULL if prebuilt->table should be locked as prebuilt->select_lock_type */ - ulint mode) /* in: lock mode of table + ulint mode) /*!< in: lock mode of table (ignored if table==NULL) */ { trx_t* trx = prebuilt->trx; @@ -1029,14 +1021,14 @@ run_again: } /************************************************************************* -Does an insert for MySQL. */ +Does an insert for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_insert_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - byte* mysql_rec, /* in: row in the MySQL format */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + byte* mysql_rec, /*!< in: row in the MySQL format */ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { trx_savept_t savept; @@ -1166,7 +1158,7 @@ UNIV_INTERN void row_prebuild_sel_graph( /*===================*/ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { sel_node_t* node; @@ -1188,14 +1180,14 @@ row_prebuild_sel_graph( /************************************************************************* Creates an query graph node of 'update' type to be used in the MySQL -interface. */ +interface. +@return own: update node */ UNIV_INTERN upd_node_t* row_create_update_node_for_mysql( /*=============================*/ - /* out, own: update node */ - dict_table_t* table, /* in: table to update */ - mem_heap_t* heap) /* in: mem heap from which allocated */ + dict_table_t* table, /*!< in: table to update */ + mem_heap_t* heap) /*!< in: mem heap from which allocated */ { upd_node_t* node; @@ -1225,13 +1217,13 @@ row_create_update_node_for_mysql( /************************************************************************* Gets pointer to a prebuilt update vector used in updates. If the update graph has not yet been built in the prebuilt struct, then this function -first builds it. */ +first builds it. +@return prebuilt update vector */ UNIV_INTERN upd_t* row_get_prebuilt_update_vector( /*===========================*/ - /* out: prebuilt update vector */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { dict_table_t* table = prebuilt->table; @@ -1259,15 +1251,15 @@ row_get_prebuilt_update_vector( } /************************************************************************* -Does an update or delete of a row for MySQL. */ +Does an update or delete of a row for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_update_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - byte* mysql_rec, /* in: the row to be updated, in + byte* mysql_rec, /*!< in: the row to be updated, in the MySQL format */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { trx_savept_t savept; @@ -1423,15 +1415,15 @@ and also under prebuilt->clust_pcur. Currently, this is only used and tested in the case of an UPDATE or a DELETE statement, where the row lock is of the LOCK_X type. Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. */ +locks we set. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_unlock_for_mysql( /*=================*/ - /* out: error code or DB_SUCCESS */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL handle */ - ibool has_latches_on_recs)/* TRUE if called so that we have + ibool has_latches_on_recs)/*!< TRUE if called so that we have the latches on the records under pcur and clust_pcur, and we do not need to reposition the cursors. */ @@ -1541,16 +1533,16 @@ row_unlock_for_mysql( } /************************************************************************** -Does a cascaded delete or set null in a foreign key operation. */ +Does a cascaded delete or set null in a foreign key operation. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_update_cascade_for_mysql( /*=========================*/ - /* out: error code or DB_SUCCESS */ - que_thr_t* thr, /* in: query thread */ - upd_node_t* node, /* in: update node used in the cascade + que_thr_t* thr, /*!< in: query thread */ + upd_node_t* node, /*!< in: update node used in the cascade or set null operation */ - dict_table_t* table) /* in: table where we do the operation */ + dict_table_t* table) /*!< in: table where we do the operation */ { ulint err; trx_t* trx; @@ -1611,14 +1603,13 @@ run_again: /************************************************************************* Checks if a table is such that we automatically created a clustered -index on it (on row id). */ +index on it (on row id). +@return TRUE if the clustered index was generated automatically */ UNIV_INTERN ibool row_table_got_default_clust_index( /*==============================*/ - /* out: TRUE if the clustered index - was generated automatically */ - const dict_table_t* table) /* in: table */ + const dict_table_t* table) /*!< in: table */ { const dict_index_t* clust_index; @@ -1629,14 +1620,13 @@ row_table_got_default_clust_index( /************************************************************************* Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table */ +to take into account if we generated a default clustered index for the table +@return the key number used inside MySQL */ UNIV_INTERN ulint row_get_mysql_key_number_for_index( /*===============================*/ - /* out: the key number used - inside MySQL */ - const dict_index_t* index) /* in: index */ + const dict_index_t* index) /*!< in: index */ { const dict_index_t* ind; ulint i; @@ -1666,9 +1656,9 @@ UNIV_INTERN void row_mysql_freeze_data_dictionary_func( /*==================================*/ - trx_t* trx, /* in/out: transaction */ - const char* file, /* in: file name */ - ulint line) /* in: line number */ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line) /*!< in: line number */ { ut_a(trx->dict_operation_lock_mode == 0); @@ -1683,7 +1673,7 @@ UNIV_INTERN void row_mysql_unfreeze_data_dictionary( /*===============================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { ut_a(trx->dict_operation_lock_mode == RW_S_LATCH); @@ -1699,9 +1689,9 @@ UNIV_INTERN void row_mysql_lock_data_dictionary_func( /*================================*/ - trx_t* trx, /* in/out: transaction */ - const char* file, /* in: file name */ - ulint line) /* in: line number */ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line) /*!< in: line number */ { ut_a(trx->dict_operation_lock_mode == 0 || trx->dict_operation_lock_mode == RW_X_LATCH); @@ -1721,7 +1711,7 @@ UNIV_INTERN void row_mysql_unlock_data_dictionary( /*=============================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); @@ -1739,15 +1729,15 @@ Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also start the printing of monitor output by the master thread. If the table name ends in "innodb_mem_validate", -InnoDB will try to invoke mem_validate(). */ +InnoDB will try to invoke mem_validate(). +@return error code or DB_SUCCESS */ UNIV_INTERN int row_create_table_for_mysql( /*=======================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in, own: table definition + dict_table_t* table, /*!< in, own: table definition (will be freed) */ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { tab_node_t* node; mem_heap_t* heap; @@ -1933,16 +1923,16 @@ err_exit: /************************************************************************* Does an index creation operation for MySQL. TODO: currently failure to create an index results in dropping the whole table! This is no problem -currently as all indexes must be created at the same time as the table. */ +currently as all indexes must be created at the same time as the table. +@return error number or DB_SUCCESS */ UNIV_INTERN int row_create_index_for_mysql( /*=======================*/ - /* out: error number or DB_SUCCESS */ - dict_index_t* index, /* in, own: index definition + dict_index_t* index, /*!< in, own: index definition (will be freed) */ - trx_t* trx, /* in: transaction handle */ - const ulint* field_lengths) /* in: if not NULL, must contain + trx_t* trx, /*!< in: transaction handle */ + const ulint* field_lengths) /*!< in: if not NULL, must contain dict_index_get_n_fields(index) actual field lengths for the index columns, which are @@ -2064,22 +2054,22 @@ should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in bot participating tables. The indexes are allowed to contain more fields than mentioned in the constraint. Check also that foreign key -constraints which reference this table are ok. */ +constraints which reference this table are ok. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_table_add_foreign_constraints( /*==============================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction */ - const char* sql_string, /* in: table create statement where + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where foreign keys are declared like: FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written also with the database name before it: test.table2 */ - const char* name, /* in: table full name in the + const char* name, /*!< in: table full name in the normalized form database_name/table_name */ - ibool reject_fks) /* in: if TRUE, fail with error + ibool reject_fks) /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ { @@ -2127,13 +2117,13 @@ in ALTER TABLE to the fact that the table handler does not remove the table before all handles to it has been removed. Furhermore, the MySQL's call to drop table must be non-blocking. Therefore we do the drop table as a background operation, which is taken care of by the master thread -in srv0srv.c. */ +in srv0srv.c. +@return error code or DB_SUCCESS */ static int row_drop_table_for_mysql_in_background( /*===================================*/ - /* out: error code or DB_SUCCESS */ - const char* name) /* in: table name */ + const char* name) /*!< in: table name */ { ulint error; trx_t* trx; @@ -2170,13 +2160,12 @@ row_drop_table_for_mysql_in_background( /************************************************************************* The master thread in srv0srv.c calls this regularly to drop tables which we must drop in background after queries to them have ended. Such lazy -dropping of tables is needed in ALTER TABLE on Unix. */ +dropping of tables is needed in ALTER TABLE on Unix. +@return how many tables dropped + remaining tables in list */ UNIV_INTERN ulint row_drop_tables_for_mysql_in_background(void) /*=========================================*/ - /* out: how many tables dropped - + remaining tables in list */ { row_mysql_drop_t* drop; dict_table_t* table; @@ -2245,12 +2234,12 @@ already_dropped: /************************************************************************* Get the background drop list length. NOTE: the caller must own the kernel -mutex! */ +mutex! +@return how many tables in list */ UNIV_INTERN ulint row_get_background_drop_list_len_low(void) /*======================================*/ - /* out: how many tables in list */ { ut_ad(mutex_own(&kernel_mutex)); @@ -2268,14 +2257,13 @@ If a table is not yet in the drop list, adds the table to the list of tables which the master thread drops in background. We need this on Unix because in ALTER TABLE MySQL may call drop table even if the table has running queries on it. Also, if there are running foreign key checks on the table, we drop the -table lazily. */ +table lazily. +@return TRUE if the table was not yet in the drop list, and was added there */ static ibool row_add_table_to_background_drop_list( /*==================================*/ - /* out: TRUE if the table was not yet in the - drop list, and was added there */ - const char* name) /* in: table name */ + const char* name) /*!< in: table name */ { row_mysql_drop_t* drop; @@ -2320,14 +2308,14 @@ row_add_table_to_background_drop_list( /************************************************************************* Discards the tablespace of a table which stored in an .ibd file. Discarding means that this function deletes the .ibd file and assigns a new table id for -the table. Also the flag table->ibd_file_missing is set TRUE. */ +the table. Also the flag table->ibd_file_missing is set TRUE. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_discard_tablespace_for_mysql( /*=============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx) /* in: transaction handle */ + const char* name, /*!< in: table name */ + trx_t* trx) /*!< in: transaction handle */ { dict_foreign_t* foreign; dulint new_id; @@ -2511,14 +2499,14 @@ funct_exit: /********************************************************************* Imports a tablespace. The space id in the .ibd file must match the space id -of the table in the data dictionary. */ +of the table in the data dictionary. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_import_tablespace_for_mysql( /*============================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx) /* in: transaction handle */ + const char* name, /*!< in: table name */ + trx_t* trx) /*!< in: transaction handle */ { dict_table_t* table; ibool success; @@ -2648,14 +2636,14 @@ funct_exit: } /************************************************************************* -Truncates a table for MySQL. */ +Truncates a table for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_truncate_table_for_mysql( /*=========================*/ - /* out: error code or DB_SUCCESS */ - dict_table_t* table, /* in: table handle */ - trx_t* trx) /* in: transaction handle */ + dict_table_t* table, /*!< in: table handle */ + trx_t* trx) /*!< in: transaction handle */ { dict_foreign_t* foreign; ulint err; @@ -2979,15 +2967,15 @@ one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor output by the master thread. If the data dictionary was not already locked by the transaction, the transaction will be committed. Otherwise, the -data dictionary will remain locked. */ +data dictionary will remain locked. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_drop_table_for_mysql( /*=====================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: table name */ - trx_t* trx, /* in: transaction handle */ - ibool drop_db)/* in: TRUE=dropping whole database */ + const char* name, /*!< in: table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool drop_db)/*!< in: TRUE=dropping whole database */ { dict_foreign_t* foreign; dict_table_t* table; @@ -3369,14 +3357,14 @@ funct_exit: /*********************************************************************** Drop all foreign keys in a database, see Bug#18942. -Called at the end of row_drop_database_for_mysql(). */ +Called at the end of row_drop_database_for_mysql(). +@return error code or DB_SUCCESS */ static ulint drop_all_foreign_keys_in_db( /*========================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: database name which ends to '/' */ - trx_t* trx) /* in: transaction handle */ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx) /*!< in: transaction handle */ { pars_info_t* pinfo; ulint err; @@ -3428,14 +3416,14 @@ drop_all_foreign_keys_in_db( } /************************************************************************* -Drops a database for MySQL. */ +Drops a database for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_drop_database_for_mysql( /*========================*/ - /* out: error code or DB_SUCCESS */ - const char* name, /* in: database name which ends to '/' */ - trx_t* trx) /* in: transaction handle */ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx) /*!< in: transaction handle */ { dict_table_t* table; char* table_name; @@ -3523,13 +3511,13 @@ loop: /************************************************************************* Checks if a table name contains the string "/#sql" which denotes temporary -tables in MySQL. */ +tables in MySQL. +@return TRUE if temporary table */ static ibool row_is_mysql_tmp_table_name( /*========================*/ - /* out: TRUE if temporary table */ - const char* name) /* in: table name in the form + const char* name) /*!< in: table name in the form 'database/tablename' */ { return(strstr(name, "/#sql") != NULL); @@ -3537,14 +3525,14 @@ row_is_mysql_tmp_table_name( } /******************************************************************** -Delete a single constraint. */ +Delete a single constraint. +@return error code or DB_SUCCESS */ static int row_delete_constraint_low( /*======================*/ - /* out: error code or DB_SUCCESS */ - const char* id, /* in: constraint id */ - trx_t* trx) /* in: transaction handle */ + const char* id, /*!< in: constraint id */ + trx_t* trx) /*!< in: transaction handle */ { pars_info_t* info = pars_info_create(); @@ -3560,17 +3548,17 @@ row_delete_constraint_low( } /******************************************************************** -Delete a single constraint. */ +Delete a single constraint. +@return error code or DB_SUCCESS */ static int row_delete_constraint( /*==================*/ - /* out: error code or DB_SUCCESS */ - const char* id, /* in: constraint id */ - const char* database_name, /* in: database name, with the + const char* id, /*!< in: constraint id */ + const char* database_name, /*!< in: database name, with the trailing '/' */ - mem_heap_t* heap, /* in: memory heap */ - trx_t* trx) /* in: transaction handle */ + mem_heap_t* heap, /*!< in: memory heap */ + trx_t* trx) /*!< in: transaction handle */ { ulint err; @@ -3593,16 +3581,16 @@ row_delete_constraint( } /************************************************************************* -Renames a table for MySQL. */ +Renames a table for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN ulint row_rename_table_for_mysql( /*=======================*/ - /* out: error code or DB_SUCCESS */ - const char* old_name, /* in: old table name */ - const char* new_name, /* in: new table name */ - trx_t* trx, /* in: transaction handle */ - ibool commit) /* in: if TRUE then commit trx */ + const char* old_name, /*!< in: old table name */ + const char* new_name, /*!< in: new table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool commit) /*!< in: if TRUE then commit trx */ { dict_table_t* table; ulint err = DB_ERROR; @@ -3916,15 +3904,15 @@ funct_exit: /************************************************************************* Checks that the index contains entries in an ascending order, unique constraint is not broken, and calculates the number of index entries -in the read view of the current transaction. */ +in the read view of the current transaction. +@return TRUE if ok */ static ibool row_scan_and_check_index( /*=====================*/ - /* out: TRUE if ok */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct in MySQL */ - dict_index_t* index, /* in: index */ - ulint* n_rows) /* out: number of entries seen in the + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL */ + dict_index_t* index, /*!< in: index */ + ulint* n_rows) /*!< out: number of entries seen in the current consistent read */ { dtuple_t* prev_entry = NULL; @@ -4089,13 +4077,13 @@ not_ok: } /************************************************************************* -Checks a table for corruption. */ +Checks a table for corruption. +@return DB_ERROR or DB_SUCCESS */ UNIV_INTERN ulint row_check_table_for_mysql( /*======================*/ - /* out: DB_ERROR or DB_SUCCESS */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL handle */ { dict_table_t* table = prebuilt->table; @@ -4201,13 +4189,13 @@ row_check_table_for_mysql( } /************************************************************************* -Determines if a table is a magic monitor table. */ +Determines if a table is a magic monitor table. +@return TRUE if monitor table */ UNIV_INTERN ibool row_is_magic_monitor_table( /*=======================*/ - /* out: TRUE if monitor table */ - const char* table_name) /* in: name of the table, in the + const char* table_name) /*!< in: name of the table, in the form database/table_name */ { const char* name; /* table_name without database/ */ diff --git a/row/row0purge.c b/row/row0purge.c index efdec5d1f7a..b2bfc50ada1 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -44,14 +44,14 @@ Created 3/14/1997 Heikki Tuuri #include "log0log.h" /************************************************************************ -Creates a purge node to a query graph. */ +Creates a purge node to a query graph. +@return own: purge node */ UNIV_INTERN purge_node_t* row_purge_node_create( /*==================*/ - /* out, own: purge node */ - que_thr_t* parent, /* in: parent node, i.e., a thr node */ - mem_heap_t* heap) /* in: memory heap where created */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap) /*!< in: memory heap where created */ { purge_node_t* node; @@ -69,15 +69,15 @@ row_purge_node_create( /*************************************************************** Repositions the pcur in the purge node on the clustered index record, -if found. */ +if found. +@return TRUE if the record was found */ static ibool row_purge_reposition_pcur( /*======================*/ - /* out: TRUE if the record was found */ - ulint mode, /* in: latching mode */ - purge_node_t* node, /* in: row purge node */ - mtr_t* mtr) /* in: mtr */ + ulint mode, /*!< in: latching mode */ + purge_node_t* node, /*!< in: row purge node */ + mtr_t* mtr) /*!< in: mtr */ { ibool found; @@ -99,15 +99,14 @@ row_purge_reposition_pcur( } /*************************************************************** -Removes a delete marked clustered index record if possible. */ +Removes a delete marked clustered index record if possible. +@return TRUE if success, or if not found, or if modified after the delete marking */ static ibool row_purge_remove_clust_if_poss_low( /*===============================*/ - /* out: TRUE if success, or if not found, or - if modified after the delete marking */ - purge_node_t* node, /* in: row purge node */ - ulint mode) /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ + purge_node_t* node, /*!< in: row purge node */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { dict_index_t* index; btr_pcur_t* pcur; @@ -184,7 +183,7 @@ static void row_purge_remove_clust_if_poss( /*===========================*/ - purge_node_t* node) /* in: row purge node */ + purge_node_t* node) /*!< in: row purge node */ { ibool success; ulint n_tries = 0; @@ -226,16 +225,15 @@ this function first returns TRUE and then FALSE, if a user transaction inserts a record that the secondary index entry would refer to. However, in that case, the user transaction would also re-insert the secondary index entry after purge has removed it and released the leaf -page latch. */ +page latch. +@return TRUE if the secondary index record can be purged */ UNIV_INTERN ibool row_purge_poss_sec( /*===============*/ - /* out: TRUE if the secondary index - record can be purged */ - purge_node_t* node, /* in/out: row purge node */ - dict_index_t* index, /* in: secondary index */ - const dtuple_t* entry) /* in: secondary index entry */ + purge_node_t* node, /*!< in/out: row purge node */ + dict_index_t* index, /*!< in: secondary index */ + const dtuple_t* entry) /*!< in: secondary index entry */ { ibool can_delete; mtr_t mtr; @@ -255,15 +253,15 @@ row_purge_poss_sec( /*************************************************************** Removes a secondary index entry if possible, by modifying the -index tree. Does not try to buffer the delete. */ +index tree. Does not try to buffer the delete. +@return TRUE if success or if not found */ static ibool row_purge_remove_sec_if_poss_tree( /*==============================*/ - /* out: TRUE if success or if not found */ - purge_node_t* node, /* in: row purge node */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry) /* in: index entry */ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry) /*!< in: index entry */ { btr_pcur_t pcur; btr_cur_t* btr_cur; @@ -339,15 +337,15 @@ func_exit: /*************************************************************** Removes a secondary index entry without modifying the index tree, -if possible. */ +if possible. +@return TRUE if success or if not found */ static ibool row_purge_remove_sec_if_poss_leaf( /*==============================*/ - /* out: TRUE if success or if not found */ - purge_node_t* node, /* in: row purge node */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry) /* in: index entry */ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry) /*!< in: index entry */ { mtr_t mtr; btr_pcur_t pcur; @@ -396,9 +394,9 @@ UNIV_INLINE void row_purge_remove_sec_if_poss( /*=========================*/ - purge_node_t* node, /* in: row purge node */ - dict_index_t* index, /* in: index */ - dtuple_t* entry) /* in: index entry */ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry */ { ibool success; ulint n_tries = 0; @@ -433,7 +431,7 @@ static void row_purge_del_mark( /*===============*/ - purge_node_t* node) /* in: row purge node */ + purge_node_t* node) /*!< in: row purge node */ { mem_heap_t* heap; dtuple_t* entry; @@ -466,7 +464,7 @@ static void row_purge_upd_exist_or_extern( /*==========================*/ - purge_node_t* node) /* in: row purge node */ + purge_node_t* node) /*!< in: row purge node */ { mem_heap_t* heap; dtuple_t* entry; @@ -574,19 +572,17 @@ skip_secondaries: } /*************************************************************** -Parses the row reference and other info in a modify undo log record. */ +Parses the row reference and other info in a modify undo log record. +@return TRUE if purge operation required: NOTE that then the CALLER must unfreeze data dictionary! */ static ibool row_purge_parse_undo_rec( /*=====================*/ - /* out: TRUE if purge operation required: - NOTE that then the CALLER must unfreeze - data dictionary! */ - purge_node_t* node, /* in: row undo node */ + purge_node_t* node, /*!< in: row undo node */ ibool* updated_extern, - /* out: TRUE if an externally stored field + /*!< out: TRUE if an externally stored field was updated */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { dict_index_t* clust_index; byte* ptr; @@ -680,15 +676,14 @@ err_exit: /*************************************************************** Fetches an undo log record and does the purge for the recorded operation. If none left, or the current purge completed, returns the control to the -parent node, which is always a query thread node. */ +parent node, which is always a query thread node. +@return DB_SUCCESS if operation successfully completed, else error code */ static ulint row_purge( /*======*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code */ - purge_node_t* node, /* in: row purge node */ - que_thr_t* thr) /* in: query thread */ + purge_node_t* node, /*!< in: row purge node */ + que_thr_t* thr) /*!< in: query thread */ { roll_ptr_t roll_ptr; ibool purge_needed; @@ -754,13 +749,13 @@ row_purge( /*************************************************************** Does the purge operation for a single undo log record. This is a high-level -function used in an SQL execution graph. */ +function used in an SQL execution graph. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_purge_step( /*===========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { purge_node_t* node; ulint err; diff --git a/row/row0row.c b/row/row0row.c index ee951a4b14a..37b740696f3 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -48,16 +48,16 @@ Created 4/20/1996 Heikki Tuuri /************************************************************************* Gets the offset of trx id field, in bytes relative to the origin of -a clustered index record. */ +a clustered index record. +@return offset of DATA_TRX_ID */ UNIV_INTERN ulint row_get_trx_id_offset( /*==================*/ - /* out: offset of DATA_TRX_ID */ const rec_t* rec __attribute__((unused)), - /* in: record */ - dict_index_t* index, /* in: clustered index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { ulint pos; ulint offset; @@ -77,22 +77,18 @@ row_get_trx_id_offset( /********************************************************************* When an insert or purge to a table is performed, this function builds -the entry to be inserted into or purged from an index on the table. */ +the entry to be inserted into or purged from an index on the table. +@return index entry which should be inserted or purged, or NULL if the externally stored columns in the clustered index record are unavailable and ext != NULL */ UNIV_INTERN dtuple_t* row_build_index_entry( /*==================*/ - /* out: index entry which should be - inserted or purged, or NULL if the - externally stored columns in the - clustered index record are unavailable - and ext != NULL */ - const dtuple_t* row, /* in: row which should be + const dtuple_t* row, /*!< in: row which should be inserted or purged */ - row_ext_t* ext, /* in: externally stored column prefixes, + row_ext_t* ext, /*!< in: externally stored column prefixes, or NULL */ - dict_index_t* index, /* in: index on the table */ - mem_heap_t* heap) /* in: memory heap from which the memory for + dict_index_t* index, /*!< in: index on the table */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for the index entry is allocated */ { dtuple_t* entry; @@ -169,22 +165,21 @@ row_build_index_entry( /*********************************************************************** An inverse function to row_build_index_entry. Builds a row from a -record in a clustered index. */ +record in a clustered index. +@return own: row built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_build( /*======*/ - /* out, own: row built; - see the NOTE below! */ - ulint type, /* in: ROW_COPY_POINTERS or + ulint type, /*!< in: ROW_COPY_POINTERS or ROW_COPY_DATA; the latter copies also the data fields to heap while the first only places pointers to data fields on the index page, and thus is more efficient */ - const dict_index_t* index, /* in: clustered index */ - const rec_t* rec, /* in: record in the clustered + const dict_index_t* index, /*!< in: clustered index */ + const rec_t* rec, /*!< in: record in the clustered index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point @@ -193,20 +188,20 @@ row_build( this record must be at least s-latched and the latch held as long as the row dtuple is used! */ - const ulint* offsets,/* in: rec_get_offsets(rec,index) + const ulint* offsets,/*!< in: rec_get_offsets(rec,index) or NULL, in which case this function will invoke rec_get_offsets() */ const dict_table_t* col_table, - /* in: table, to check which + /*!< in: table, to check which externally stored columns occur in the ordering columns of an index, or NULL if index->table should be consulted instead */ - row_ext_t** ext, /* out, own: cache of + row_ext_t** ext, /*!< out, own: cache of externally stored column prefixes, or NULL */ - mem_heap_t* heap) /* in: memory heap from which + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { dtuple_t* row; @@ -312,20 +307,18 @@ row_build( } /*********************************************************************** -Converts an index record to a typed data tuple. */ +Converts an index record to a typed data tuple. +@return index entry built; does not set info_bits, and the data fields in the entry will point directly to rec */ UNIV_INTERN dtuple_t* row_rec_to_index_entry_low( /*=======================*/ - /* out: index entry built; does not - set info_bits, and the data fields in - the entry will point directly to rec */ - const rec_t* rec, /* in: record in the index */ - const dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint* n_ext, /* out: number of externally + const rec_t* rec, /*!< in: record in the index */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint* n_ext, /*!< out: number of externally stored columns */ - mem_heap_t* heap) /* in: memory heap from which + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { dtuple_t* entry; @@ -372,20 +365,19 @@ row_rec_to_index_entry_low( /*********************************************************************** Converts an index record to a typed data tuple. NOTE that externally -stored (often big) fields are NOT copied to heap. */ +stored (often big) fields are NOT copied to heap. +@return own: index entry built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_rec_to_index_entry( /*===================*/ - /* out, own: index entry - built; see the NOTE below! */ - ulint type, /* in: ROW_COPY_DATA, or + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: the former copies also the data fields to heap as the latter only places pointers to data fields on the index page */ - const rec_t* rec, /* in: record in the index; + const rec_t* rec, /*!< in: record in the index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point @@ -394,11 +386,11 @@ row_rec_to_index_entry( this record must be at least s-latched and the latch held as long as the dtuple is used! */ - const dict_index_t* index, /* in: index */ - ulint* offsets,/* in/out: rec_get_offsets(rec) */ - ulint* n_ext, /* out: number of externally + const dict_index_t* index, /*!< in: index */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ + ulint* n_ext, /*!< out: number of externally stored columns */ - mem_heap_t* heap) /* in: memory heap from which + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { dtuple_t* entry; @@ -425,26 +417,25 @@ row_rec_to_index_entry( /*********************************************************************** Builds from a secondary index record a row reference with which we can -search the clustered index record. */ +search the clustered index record. +@return own: row reference built; see the NOTE below! */ UNIV_INTERN dtuple_t* row_build_row_ref( /*==============*/ - /* out, own: row reference built; see the - NOTE below! */ - ulint type, /* in: ROW_COPY_DATA, or ROW_COPY_POINTERS: + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: the former copies also the data fields to heap, whereas the latter only places pointers to data fields on the index page */ - dict_index_t* index, /* in: secondary index */ - const rec_t* rec, /* in: record in the index; + dict_index_t* index, /*!< in: secondary index */ + const rec_t* rec, /*!< in: record in the index; NOTE: in the case ROW_COPY_POINTERS the data fields in the row will point directly into this record, therefore, the buffer page of this record must be at least s-latched and the latch held as long as the row reference is used! */ - mem_heap_t* heap) /* in: memory heap from which the memory + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { dict_table_t* table; @@ -542,9 +533,9 @@ UNIV_INTERN void row_build_row_ref_in_tuple( /*=======================*/ - dtuple_t* ref, /* in/out: row reference built; + dtuple_t* ref, /*!< in/out: row reference built; see the NOTE below! */ - const rec_t* rec, /* in: record in the index; + const rec_t* rec, /*!< in: record in the index; NOTE: the data fields in ref will point directly into this record, therefore, the buffer @@ -552,10 +543,10 @@ row_build_row_ref_in_tuple( least s-latched and the latch held as long as the row reference is used! */ - const dict_index_t* index, /* in: secondary index */ - ulint* offsets,/* in: rec_get_offsets(rec, index) + const dict_index_t* index, /*!< in: secondary index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) or NULL */ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { const dict_index_t* clust_index; dfield_t* dfield; @@ -655,12 +646,12 @@ UNIV_INTERN void row_build_row_ref_from_row( /*=======================*/ - dtuple_t* ref, /* in/out: row reference built; + dtuple_t* ref, /*!< in/out: row reference built; see the NOTE below! ref must have the right number of fields! */ - const dict_table_t* table, /* in: table */ - const dtuple_t* row) /* in: row + const dict_table_t* table, /*!< in: table */ + const dtuple_t* row) /*!< in: row NOTE: the data fields in ref will point directly into data of this row */ { @@ -710,18 +701,18 @@ row_build_row_ref_from_row( } /******************************************************************* -Searches the clustered index record for a row, if we have the row reference. */ +Searches the clustered index record for a row, if we have the row reference. +@return TRUE if found */ UNIV_INTERN ibool row_search_on_row_ref( /*==================*/ - /* out: TRUE if found */ - btr_pcur_t* pcur, /* out: persistent cursor, which must + btr_pcur_t* pcur, /*!< out: persistent cursor, which must be closed by the caller */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - const dict_table_t* table, /* in: table */ - const dtuple_t* ref, /* in: row reference */ - mtr_t* mtr) /* in/out: mtr */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const dict_table_t* table, /*!< in: table */ + const dtuple_t* ref, /*!< in: row reference */ + mtr_t* mtr) /*!< in/out: mtr */ { ulint low_match; rec_t* rec; @@ -754,17 +745,17 @@ row_search_on_row_ref( /************************************************************************* Fetches the clustered index record for a secondary index record. The latches -on the secondary index record are preserved. */ +on the secondary index record are preserved. +@return record or NULL, if no record found */ UNIV_INTERN rec_t* row_get_clust_rec( /*==============*/ - /* out: record or NULL, if no record found */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - const rec_t* rec, /* in: record in a secondary index */ - dict_index_t* index, /* in: secondary index */ - dict_index_t** clust_index,/* out: clustered index */ - mtr_t* mtr) /* in: mtr */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: secondary index */ + dict_index_t** clust_index,/*!< out: clustered index */ + mtr_t* mtr) /*!< in: mtr */ { mem_heap_t* heap; dtuple_t* ref; @@ -795,19 +786,18 @@ row_get_clust_rec( } /******************************************************************* -Searches an index record. */ +Searches an index record. +@return whether the record was found or buffered */ UNIV_INTERN enum row_search_result row_search_index_entry( /*===================*/ - /* out: whether the record was found - or buffered */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: index entry */ - ulint mode, /* in: BTR_MODIFY_LEAF, ... */ - btr_pcur_t* pcur, /* in/out: persistent cursor, which must + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: index entry */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must be closed by the caller */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint n_fields; ulint low_match; @@ -860,21 +850,20 @@ If the data is in unknown format, then nothing is written to "buf", Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ static ulint row_raw_format_int( /*===============*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - ulint prtype, /* in: precise type */ - char* buf, /* out: output buffer */ - ulint buf_size, /* in: output buffer size + ulint prtype, /*!< in: precise type */ + char* buf, /*!< out: output buffer */ + ulint buf_size, /*!< in: output buffer size in bytes */ - ibool* format_in_hex) /* out: should the data be + ibool* format_in_hex) /*!< out: should the data be formated in hex */ { ulint ret; @@ -916,21 +905,20 @@ If the data is in binary format, then nothing is written to "buf", Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ static ulint row_raw_format_str( /*===============*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - ulint prtype, /* in: precise type */ - char* buf, /* out: output buffer */ - ulint buf_size, /* in: output buffer size + ulint prtype, /*!< in: precise type */ + char* buf, /*!< out: output buffer */ + ulint buf_size, /*!< in: output buffer size in bytes */ - ibool* format_in_hex) /* out: should the data be + ibool* format_in_hex) /*!< out: should the data be formated in hex */ { ulint charset_coll; @@ -967,19 +955,18 @@ Formats the raw data in "data" (in InnoDB on-disk format) using Not more than "buf_size" bytes are written to "buf". The result is always '\0'-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). */ +terminating '\0'). +@return number of bytes that were written */ UNIV_INTERN ulint row_raw_format( /*===========*/ - /* out: number of bytes - that were written */ - const char* data, /* in: raw data */ - ulint data_len, /* in: raw data length + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length in bytes */ - const dict_field_t* dict_field, /* in: index field */ - char* buf, /* out: output buffer */ - ulint buf_size) /* in: output buffer size + const dict_field_t* dict_field, /*!< in: index field */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size in bytes */ { ulint mtype; diff --git a/row/row0sel.c b/row/row0sel.c index 26371868418..6e0cea689fe 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -79,29 +79,28 @@ Returns TRUE if the user-defined column in a secondary index record is alphabetically the same as the corresponding BLOB column in the clustered index record. NOTE: the comparison is NOT done as a binary comparison, but character -fields are compared with collation! */ +fields are compared with collation! +@return TRUE if the columns are equal */ static ibool row_sel_sec_rec_is_for_blob( /*========================*/ - /* out: TRUE if the columns - are equal */ - ulint mtype, /* in: main type */ - ulint prtype, /* in: precise type */ - ulint mbminlen, /* in: minimum length of a + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a multi-byte character */ - ulint mbmaxlen, /* in: maximum length of a + ulint mbmaxlen, /*!< in: maximum length of a multi-byte character */ - const byte* clust_field, /* in: the locally stored part of + const byte* clust_field, /*!< in: the locally stored part of the clustered index column, including the BLOB pointer; the clustered index record must be covered by a lock or a page latch to protect it against deletion (rollback or purge) */ - ulint clust_len, /* in: length of clust_field */ - const byte* sec_field, /* in: column in secondary index */ - ulint sec_len, /* in: length of sec_field */ - ulint zip_size) /* in: compressed page size, or 0 */ + ulint clust_len, /*!< in: length of clust_field */ + const byte* sec_field, /*!< in: column in secondary index */ + ulint sec_len, /*!< in: length of sec_field */ + ulint zip_size) /*!< in: compressed page size, or 0 */ { ulint len; byte buf[DICT_MAX_INDEX_COL_LEN]; @@ -130,22 +129,19 @@ Returns TRUE if the user-defined column values in a secondary index record are alphabetically the same as the corresponding columns in the clustered index record. NOTE: the comparison is NOT done as a binary comparison, but character -fields are compared with collation! */ +fields are compared with collation! +@return TRUE if the secondary record is equal to the corresponding fields in the clustered record, when compared with collation */ static ibool row_sel_sec_rec_is_for_clust_rec( /*=============================*/ - /* out: TRUE if the secondary - record is equal to the corresponding - fields in the clustered record, - when compared with collation */ - const rec_t* sec_rec, /* in: secondary index record */ - dict_index_t* sec_index, /* in: secondary index */ - const rec_t* clust_rec, /* in: clustered index record; + const rec_t* sec_rec, /*!< in: secondary index record */ + dict_index_t* sec_index, /*!< in: secondary index */ + const rec_t* clust_rec, /*!< in: clustered index record; must be protected by a lock or a page latch against deletion in rollback or purge */ - dict_index_t* clust_index) /* in: clustered index */ + dict_index_t* clust_index) /*!< in: clustered index */ { const byte* sec_field; ulint sec_len; @@ -239,13 +235,13 @@ func_exit: } /************************************************************************* -Creates a select node struct. */ +Creates a select node struct. +@return own: select node struct */ UNIV_INTERN sel_node_t* sel_node_create( /*============*/ - /* out, own: select node struct */ - mem_heap_t* heap) /* in: memory heap where created */ + mem_heap_t* heap) /*!< in: memory heap where created */ { sel_node_t* node; @@ -265,7 +261,7 @@ UNIV_INTERN void sel_node_free_private( /*==================*/ - sel_node_t* node) /* in: select node struct */ + sel_node_t* node) /*!< in: select node struct */ { ulint i; plan_t* plan; @@ -291,7 +287,7 @@ UNIV_INLINE void sel_eval_select_list( /*=================*/ - sel_node_t* node) /* in: select node */ + sel_node_t* node) /*!< in: select node */ { que_node_t* exp; @@ -311,8 +307,8 @@ UNIV_INLINE void sel_assign_into_var_values( /*=======================*/ - sym_node_t* var, /* in: first variable in a list of variables */ - sel_node_t* node) /* in: select node */ + sym_node_t* var, /*!< in: first variable in a list of variables */ + sel_node_t* node) /*!< in: select node */ { que_node_t* exp; @@ -340,7 +336,7 @@ UNIV_INLINE void sel_reset_aggregate_vals( /*=====================*/ - sel_node_t* node) /* in: select node */ + sel_node_t* node) /*!< in: select node */ { func_node_t* func_node; @@ -363,7 +359,7 @@ UNIV_INLINE void row_sel_copy_input_variable_vals( /*=============================*/ - sel_node_t* node) /* in: select node */ + sel_node_t* node) /*!< in: select node */ { sym_node_t* var; @@ -384,11 +380,11 @@ static void row_sel_fetch_columns( /*==================*/ - dict_index_t* index, /* in: record index */ - const rec_t* rec, /* in: record in a clustered or non-clustered + dict_index_t* index, /*!< in: record index */ + const rec_t* rec, /*!< in: record in a clustered or non-clustered index; must be protected by a page latch */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - sym_node_t* column) /* in: first column in a column list, or + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + sym_node_t* column) /*!< in: first column in a column list, or NULL */ { dfield_t* val; @@ -463,7 +459,7 @@ static void sel_col_prefetch_buf_alloc( /*=======================*/ - sym_node_t* column) /* in: symbol table node for a column */ + sym_node_t* column) /*!< in: symbol table node for a column */ { sel_buf_t* sel_buf; ulint i; @@ -488,7 +484,7 @@ UNIV_INTERN void sel_col_prefetch_buf_free( /*======================*/ - sel_buf_t* prefetch_buf) /* in, own: prefetch buffer */ + sel_buf_t* prefetch_buf) /*!< in, own: prefetch buffer */ { sel_buf_t* sel_buf; ulint i; @@ -510,7 +506,7 @@ static void sel_pop_prefetched_row( /*===================*/ - plan_t* plan) /* in: plan node for a table */ + plan_t* plan) /*!< in: plan node for a table */ { sym_node_t* column; sel_buf_t* sel_buf; @@ -572,7 +568,7 @@ UNIV_INLINE void sel_push_prefetched_row( /*====================*/ - plan_t* plan) /* in: plan node for a table */ + plan_t* plan) /*!< in: plan node for a table */ { sym_node_t* column; sel_buf_t* sel_buf; @@ -638,25 +634,25 @@ next_col: } /************************************************************************* -Builds a previous version of a clustered index record for a consistent read */ +Builds a previous version of a clustered index record for a consistent read +@return DB_SUCCESS or error code */ static ulint row_sel_build_prev_vers( /*====================*/ - /* out: DB_SUCCESS or error code */ - read_view_t* read_view, /* in: read view */ - dict_index_t* index, /* in: plan node for table */ - rec_t* rec, /* in: record in a clustered index */ - ulint** offsets, /* in/out: offsets returned by + read_view_t* read_view, /*!< in: read view */ + dict_index_t* index, /*!< in: plan node for table */ + rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by rec_get_offsets(rec, plan->index) */ - mem_heap_t** offset_heap, /* in/out: memory heap from which + mem_heap_t** offset_heap, /*!< in/out: memory heap from which the offsets are allocated */ - mem_heap_t** old_vers_heap, /* out: old version heap to use */ - rec_t** old_vers, /* out: old version, or NULL if the + mem_heap_t** old_vers_heap, /*!< out: old version heap to use */ + rec_t** old_vers, /*!< out: old version, or NULL if the record does not exist in the view: i.e., it was freshly inserted afterwards */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint err; @@ -674,24 +670,24 @@ row_sel_build_prev_vers( /************************************************************************* Builds the last committed version of a clustered index record for a -semi-consistent read. */ +semi-consistent read. +@return DB_SUCCESS or error code */ static ulint row_sel_build_committed_vers_for_mysql( /*===================================*/ - /* out: DB_SUCCESS or error code */ - dict_index_t* clust_index, /* in: clustered index */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - const rec_t* rec, /* in: record in a clustered index */ - ulint** offsets, /* in/out: offsets returned by + dict_index_t* clust_index, /*!< in: clustered index */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by rec_get_offsets(rec, clust_index) */ - mem_heap_t** offset_heap, /* in/out: memory heap from which + mem_heap_t** offset_heap, /*!< in/out: memory heap from which the offsets are allocated */ - const rec_t** old_vers, /* out: old version, or NULL if the + const rec_t** old_vers, /*!< out: old version, or NULL if the record does not exist in the view: i.e., it was freshly inserted afterwards */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint err; @@ -709,13 +705,13 @@ row_sel_build_committed_vers_for_mysql( /************************************************************************* Tests the conditions which determine when the index segment we are searching -through has been exhausted. */ +through has been exhausted. +@return TRUE if row passed the tests */ UNIV_INLINE ibool row_sel_test_end_conds( /*===================*/ - /* out: TRUE if row passed the tests */ - plan_t* plan) /* in: plan for the table; the column values must + plan_t* plan) /*!< in: plan for the table; the column values must already have been retrieved and the right sides of comparisons evaluated */ { @@ -746,13 +742,13 @@ row_sel_test_end_conds( } /************************************************************************* -Tests the other conditions. */ +Tests the other conditions. +@return TRUE if row passed the tests */ UNIV_INLINE ibool row_sel_test_other_conds( /*=====================*/ - /* out: TRUE if row passed the tests */ - plan_t* plan) /* in: plan for the table; the column values must + plan_t* plan) /*!< in: plan for the table; the column values must already have been retrieved */ { func_node_t* cond; @@ -775,21 +771,21 @@ row_sel_test_other_conds( /************************************************************************* Retrieves the clustered index record corresponding to a record in a -non-clustered index. Does the necessary locking. */ +non-clustered index. Does the necessary locking. +@return DB_SUCCESS or error code */ static ulint row_sel_get_clust_rec( /*==================*/ - /* out: DB_SUCCESS or error code */ - sel_node_t* node, /* in: select_node */ - plan_t* plan, /* in: plan node for table */ - rec_t* rec, /* in: record in a non-clustered index */ - que_thr_t* thr, /* in: query thread */ - rec_t** out_rec,/* out: clustered record or an old version of + sel_node_t* node, /*!< in: select_node */ + plan_t* plan, /*!< in: plan node for table */ + rec_t* rec, /*!< in: record in a non-clustered index */ + que_thr_t* thr, /*!< in: query thread */ + rec_t** out_rec,/*!< out: clustered record or an old version of it, NULL if the old version did not exist in the read view, i.e., it was a fresh inserted version */ - mtr_t* mtr) /* in: mtr used to get access to the + mtr_t* mtr) /*!< in: mtr used to get access to the non-clustered record; the same mtr is used to access the clustered index */ { @@ -938,20 +934,20 @@ err_exit: } /************************************************************************* -Sets a lock on a record. */ +Sets a lock on a record. +@return DB_SUCCESS or error code */ UNIV_INLINE ulint sel_set_rec_lock( /*=============*/ - /* out: DB_SUCCESS or error code */ - const buf_block_t* block, /* in: buffer block of rec */ - const rec_t* rec, /* in: record */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - ulint mode, /* in: lock mode */ - ulint type, /* in: LOCK_ORDINARY, LOCK_GAP, or + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint mode, /*!< in: lock mode */ + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or LOC_REC_NOT_GAP */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; ulint err; @@ -982,12 +978,12 @@ static void row_sel_open_pcur( /*==============*/ - plan_t* plan, /* in: table plan */ + plan_t* plan, /*!< in: table plan */ ibool search_latch_locked, - /* in: TRUE if the thread currently + /*!< in: TRUE if the thread currently has the search latch locked in s-mode */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; func_node_t* cond; @@ -1052,18 +1048,14 @@ row_sel_open_pcur( } /************************************************************************* -Restores a stored pcur position to a table index. */ +Restores a stored pcur position to a table index. +@return TRUE if the cursor should be moved to the next record after we return from this function (moved to the previous, in the case of a descending cursor) without processing again the current cursor record */ static ibool row_sel_restore_pcur_pos( /*=====================*/ - /* out: TRUE if the cursor should be moved to - the next record after we return from this - function (moved to the previous, in the case - of a descending cursor) without processing - again the current cursor record */ - plan_t* plan, /* in: table plan */ - mtr_t* mtr) /* in: mtr */ + plan_t* plan, /*!< in: table plan */ + mtr_t* mtr) /*!< in: mtr */ { ibool equal_position; ulint relative_position; @@ -1153,7 +1145,7 @@ UNIV_INLINE void plan_reset_cursor( /*==============*/ - plan_t* plan) /* in: plan */ + plan_t* plan) /*!< in: plan */ { plan->pcur_is_open = FALSE; plan->cursor_at_end = FALSE; @@ -1163,16 +1155,16 @@ plan_reset_cursor( /************************************************************************* Tries to do a shortcut to fetch a clustered index record with a unique key, -using the hash index if possible (not always). */ +using the hash index if possible (not always). +@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ static ulint row_sel_try_search_shortcut( /*========================*/ - /* out: SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ - sel_node_t* node, /* in: select node for a consistent read */ - plan_t* plan, /* in: plan for a unique search in clustered + sel_node_t* node, /*!< in: select node for a consistent read */ + plan_t* plan, /*!< in: plan for a unique search in clustered index */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; rec_t* rec; @@ -1264,14 +1256,14 @@ func_exit: } /************************************************************************* -Performs a select step. */ +Performs a select step. +@return DB_SUCCESS or error code */ static ulint row_sel( /*====*/ - /* out: DB_SUCCESS or error code */ - sel_node_t* node, /* in: select node */ - que_thr_t* thr) /* in: query thread */ + sel_node_t* node, /*!< in: select node */ + que_thr_t* thr) /*!< in: query thread */ { dict_index_t* index; plan_t* plan; @@ -1966,13 +1958,13 @@ func_exit: /************************************************************************** Performs a select step. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_sel_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ulint i_lock_mode; sym_node_t* table_node; @@ -2067,13 +2059,13 @@ row_sel_step( } /************************************************************************** -Performs a fetch for a cursor. */ +Performs a fetch for a cursor. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* fetch_step( /*=======*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { sel_node_t* sel_node; fetch_node_t* node; @@ -2130,14 +2122,14 @@ fetch_step( } /******************************************************************** -Sample callback function for fetch that prints each row.*/ +Sample callback function for fetch that prints each row. +@return always returns non-NULL */ UNIV_INTERN void* row_fetch_print( /*============*/ - /* out: always returns non-NULL */ - void* row, /* in: sel_node_t* */ - void* user_arg) /* in: not used */ + void* row, /*!< in: sel_node_t* */ + void* user_arg) /*!< in: not used */ { sel_node_t* node = row; que_node_t* exp; @@ -2176,14 +2168,14 @@ row_fetch_print( /******************************************************************** Callback function for fetch that stores an unsigned 4 byte integer to the location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length -= 4. */ += 4. +@return always returns NULL */ UNIV_INTERN void* row_fetch_store_uint4( /*==================*/ - /* out: always returns NULL */ - void* row, /* in: sel_node_t* */ - void* user_arg) /* in: data pointer */ + void* row, /*!< in: sel_node_t* */ + void* user_arg) /*!< in: data pointer */ { sel_node_t* node = row; ib_uint32_t* val = user_arg; @@ -2204,13 +2196,13 @@ row_fetch_store_uint4( } /*************************************************************** -Prints a row in a select result. */ +Prints a row in a select result. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_printf_step( /*============*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { row_printf_node_t* node; sel_node_t* sel_node; @@ -2277,17 +2269,17 @@ UNIV_INTERN void row_sel_convert_mysql_key_to_innobase( /*==================================*/ - dtuple_t* tuple, /* in/out: tuple where to build; + dtuple_t* tuple, /*!< in/out: tuple where to build; NOTE: we assume that the type info in the tuple is already according to index! */ - byte* buf, /* in: buffer to use in field + byte* buf, /*!< in: buffer to use in field conversions */ - ulint buf_len, /* in: buffer length */ - dict_index_t* index, /* in: index of the key value */ - const byte* key_ptr, /* in: MySQL key value */ - ulint key_len, /* in: MySQL key value length */ - trx_t* trx) /* in: transaction */ + ulint buf_len, /*!< in: buffer length */ + dict_index_t* index, /*!< in: index of the key value */ + const byte* key_ptr, /*!< in: MySQL key value */ + ulint key_len, /*!< in: MySQL key value length */ + trx_t* trx) /*!< in: transaction */ { byte* original_buf = buf; const byte* original_key_ptr = key_ptr; @@ -2476,10 +2468,10 @@ static void row_sel_store_row_id_to_prebuilt( /*=============================*/ - row_prebuilt_t* prebuilt, /* in/out: prebuilt */ - const rec_t* index_rec, /* in: record */ - const dict_index_t* index, /* in: index of the record */ - const ulint* offsets) /* in: rec_get_offsets + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt */ + const rec_t* index_rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index of the record */ + const ulint* offsets) /*!< in: rec_get_offsets (index_rec, index) */ { const byte* data; @@ -2515,19 +2507,19 @@ static void row_sel_field_store_in_mysql_format( /*================================*/ - byte* dest, /* in/out: buffer where to store; NOTE + byte* dest, /*!< in/out: buffer where to store; NOTE that BLOBs are not in themselves stored here: the caller must allocate and copy the BLOB into buffer before, and pass the pointer to the BLOB in 'data' */ const mysql_row_templ_t* templ, - /* in: MySQL column template. + /*!< in: MySQL column template. Its following fields are referenced: type, is_unsigned, mysql_col_len, mbminlen, mbmaxlen */ - const byte* data, /* in: data to store */ - ulint len) /* in: length of the data */ + const byte* data, /*!< in: data to store */ + ulint len) /*!< in: length of the data */ { byte* ptr; byte* field_end; @@ -2667,22 +2659,19 @@ row_sel_field_store_in_mysql_format( Convert a row in the Innobase format to a row in the MySQL format. Note that the template in prebuilt may advise us to copy only a few columns to mysql_rec, other columns are left blank. All columns may not -be needed in the query. */ +be needed in the query. +@return TRUE if success, FALSE if could not allocate memory for a BLOB (though we may also assert in that case) */ static ibool row_sel_store_mysql_rec( /*====================*/ - /* out: TRUE if success, FALSE if - could not allocate memory for a BLOB - (though we may also assert in that - case) */ - byte* mysql_rec, /* out: row in the MySQL format */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - const rec_t* rec, /* in: Innobase record in the index + byte* mysql_rec, /*!< out: row in the MySQL format */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: Innobase record in the index which was described in prebuilt's template; must be protected by a page latch */ - const ulint* offsets) /* in: array returned by + const ulint* offsets) /*!< in: array returned by rec_get_offsets() */ { mysql_row_templ_t* templ; @@ -2796,25 +2785,25 @@ row_sel_store_mysql_rec( } /************************************************************************* -Builds a previous version of a clustered index record for a consistent read */ +Builds a previous version of a clustered index record for a consistent read +@return DB_SUCCESS or error code */ static ulint row_sel_build_prev_vers_for_mysql( /*==============================*/ - /* out: DB_SUCCESS or error code */ - read_view_t* read_view, /* in: read view */ - dict_index_t* clust_index, /* in: clustered index */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - const rec_t* rec, /* in: record in a clustered index */ - ulint** offsets, /* in/out: offsets returned by + read_view_t* read_view, /*!< in: read view */ + dict_index_t* clust_index, /*!< in: clustered index */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by rec_get_offsets(rec, clust_index) */ - mem_heap_t** offset_heap, /* in/out: memory heap from which + mem_heap_t** offset_heap, /*!< in/out: memory heap from which the offsets are allocated */ - rec_t** old_vers, /* out: old version, or NULL if the + rec_t** old_vers, /*!< out: old version, or NULL if the record does not exist in the view: i.e., it was freshly inserted afterwards */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint err; @@ -2833,30 +2822,30 @@ row_sel_build_prev_vers_for_mysql( /************************************************************************* Retrieves the clustered index record corresponding to a record in a non-clustered index. Does the necessary locking. Used in the MySQL -interface. */ +interface. +@return DB_SUCCESS or error code */ static ulint row_sel_get_clust_rec_for_mysql( /*============================*/ - /* out: DB_SUCCESS or error code */ - row_prebuilt_t* prebuilt,/* in: prebuilt struct in the handle */ - dict_index_t* sec_index,/* in: secondary index where rec resides */ - const rec_t* rec, /* in: record in a non-clustered index; if + row_prebuilt_t* prebuilt,/*!< in: prebuilt struct in the handle */ + dict_index_t* sec_index,/*!< in: secondary index where rec resides */ + const rec_t* rec, /*!< in: record in a non-clustered index; if this is a locking read, then rec is not allowed to be delete-marked, and that would not make sense either */ - que_thr_t* thr, /* in: query thread */ - const rec_t** out_rec,/* out: clustered record or an old version of + que_thr_t* thr, /*!< in: query thread */ + const rec_t** out_rec,/*!< out: clustered record or an old version of it, NULL if the old version did not exist in the read view, i.e., it was a fresh inserted version */ - ulint** offsets,/* in: offsets returned by + ulint** offsets,/*!< in: offsets returned by rec_get_offsets(rec, sec_index); out: offsets returned by rec_get_offsets(out_rec, clust_index) */ - mem_heap_t** offset_heap,/* in/out: memory heap from which + mem_heap_t** offset_heap,/*!< in/out: memory heap from which the offsets are allocated */ - mtr_t* mtr) /* in: mtr used to get access to the + mtr_t* mtr) /*!< in: mtr used to get access to the non-clustered record; the same mtr is used to access the clustered index */ { @@ -3017,26 +3006,23 @@ err_exit: /************************************************************************ Restores cursor position after it has been stored. We have to take into account that the record cursor was positioned on may have been deleted. -Then we may have to move the cursor one step up or down. */ +Then we may have to move the cursor one step up or down. +@return TRUE if we may need to process the record the cursor is now positioned on (i.e. we should not go to the next record yet) */ static ibool sel_restore_position_for_mysql( /*===========================*/ - /* out: TRUE if we may need to - process the record the cursor is - now positioned on (i.e. we should - not go to the next record yet) */ - ibool* same_user_rec, /* out: TRUE if we were able to restore + ibool* same_user_rec, /*!< out: TRUE if we were able to restore the cursor on a user record with the same ordering prefix in in the B-tree index */ - ulint latch_mode, /* in: latch mode wished in + ulint latch_mode, /*!< in: latch mode wished in restoration */ - btr_pcur_t* pcur, /* in: cursor whose position + btr_pcur_t* pcur, /*!< in: cursor whose position has been stored */ - ibool moves_up, /* in: TRUE if the cursor moves up + ibool moves_up, /*!< in: TRUE if the cursor moves up in the index */ - mtr_t* mtr) /* in: mtr; CAUTION: may commit + mtr_t* mtr) /*!< in: mtr; CAUTION: may commit mtr temporarily! */ { ibool success; @@ -3090,9 +3076,9 @@ UNIV_INLINE void row_sel_pop_cached_row_for_mysql( /*=============================*/ - byte* buf, /* in/out: buffer where to copy the + byte* buf, /*!< in/out: buffer where to copy the row */ - row_prebuilt_t* prebuilt) /* in: prebuilt struct */ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct */ { ulint i; mysql_row_templ_t* templ; @@ -3140,10 +3126,10 @@ UNIV_INLINE void row_sel_push_cache_row_for_mysql( /*=============================*/ - row_prebuilt_t* prebuilt, /* in: prebuilt struct */ - const rec_t* rec, /* in: record to push; must + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record to push; must be protected by a page latch */ - const ulint* offsets) /* in: rec_get_offsets() */ + const ulint* offsets) /*!< in: rec_get_offsets() */ { byte* buf; ulint i; @@ -3187,17 +3173,17 @@ row_sel_push_cache_row_for_mysql( Tries to do a shortcut to fetch a clustered index record with a unique key, using the hash index if possible (not always). We assume that the search mode is PAGE_CUR_GE, it is a consistent read, there is a read view in trx, -btr search latch has been locked in S-mode. */ +btr search latch has been locked in S-mode. +@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ static ulint row_sel_try_search_shortcut_for_mysql( /*==================================*/ - /* out: SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ - const rec_t** out_rec,/* out: record if found */ - row_prebuilt_t* prebuilt,/* in: prebuilt struct */ - ulint** offsets,/* in/out: for rec_get_offsets(*out_rec) */ - mem_heap_t** heap, /* in/out: heap for rec_get_offsets() */ - mtr_t* mtr) /* in: started mtr */ + const rec_t** out_rec,/*!< out: record if found */ + row_prebuilt_t* prebuilt,/*!< in: prebuilt struct */ + ulint** offsets,/*!< in/out: for rec_get_offsets(*out_rec) */ + mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ + mtr_t* mtr) /*!< in: started mtr */ { dict_index_t* index = prebuilt->index; const dtuple_t* search_tuple = prebuilt->search_tuple; @@ -3259,29 +3245,25 @@ Searches for rows in the database. This is used in the interface to MySQL. This function opens a cursor, and also implements fetch next and fetch prev. NOTE that if we do a search with a full key value from a unique index (ROW_SEL_EXACT), then we will not store the cursor -position and fetch next or fetch prev must not be tried to the cursor! */ +position and fetch next or fetch prev must not be tried to the cursor! +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */ UNIV_INTERN ulint row_search_for_mysql( /*=================*/ - /* out: DB_SUCCESS, - DB_RECORD_NOT_FOUND, - DB_END_OF_INDEX, DB_DEADLOCK, - DB_LOCK_TABLE_FULL, DB_CORRUPTION, - or DB_TOO_BIG_RECORD */ - byte* buf, /* in/out: buffer for the fetched + byte* buf, /*!< in/out: buffer for the fetched row in the MySQL format */ - ulint mode, /* in: search mode PAGE_CUR_L, ... */ - row_prebuilt_t* prebuilt, /* in: prebuilt struct for the + ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the table handle; this contains the info of search_tuple, index; if search tuple contains 0 fields then we position the cursor at the start or the end of the index, depending on 'mode' */ - ulint match_mode, /* in: 0 or ROW_SEL_EXACT or + ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or ROW_SEL_EXACT_PREFIX */ - ulint direction) /* in: 0 or ROW_SEL_NEXT or + ulint direction) /*!< in: 0 or ROW_SEL_NEXT or ROW_SEL_PREV; NOTE: if this is != 0, then prebuilt must have a pcur with stored position! In opening of a @@ -4560,15 +4542,14 @@ func_exit: /*********************************************************************** Checks if MySQL at the moment is allowed for this table to retrieve a -consistent read result, or store it to the query cache. */ +consistent read result, or store it to the query cache. +@return TRUE if storing or retrieving from the query cache is permitted */ UNIV_INTERN ibool row_search_check_if_query_cache_permitted( /*======================================*/ - /* out: TRUE if storing or retrieving - from the query cache is permitted */ - trx_t* trx, /* in: transaction object */ - const char* norm_name) /* in: concatenation of database name, + trx_t* trx, /*!< in: transaction object */ + const char* norm_name) /*!< in: concatenation of database name, '/' char, table name */ { dict_table_t* table; @@ -4617,16 +4598,16 @@ row_search_check_if_query_cache_permitted( /*********************************************************************** Read the AUTOINC column from the current row. If the value is less than -0 and the type is not unsigned then we reset the value to 0. */ +0 and the type is not unsigned then we reset the value to 0. +@return value read from the column */ static ib_uint64_t row_search_autoinc_read_column( /*===========================*/ - /* out: value read from the column */ - dict_index_t* index, /* in: index to read from */ - const rec_t* rec, /* in: current rec */ - ulint col_no, /* in: column number */ - ibool unsigned_type) /* in: signed or unsigned flag */ + dict_index_t* index, /*!< in: index to read from */ + const rec_t* rec, /*!< in: current rec */ + ulint col_no, /*!< in: column number */ + ibool unsigned_type) /*!< in: signed or unsigned flag */ { ulint len; const byte* data; @@ -4659,14 +4640,14 @@ row_search_autoinc_read_column( } /*********************************************************************** -Get the last row. */ +Get the last row. +@return current rec or NULL */ static const rec_t* row_search_autoinc_get_rec( /*=======================*/ - /* out: current rec or NULL */ - btr_pcur_t* pcur, /* in: the current cursor */ - mtr_t* mtr) /* in: mini transaction */ + btr_pcur_t* pcur, /*!< in: the current cursor */ + mtr_t* mtr) /*!< in: mini transaction */ { do { const rec_t* rec = btr_pcur_get_rec(pcur); @@ -4680,17 +4661,15 @@ row_search_autoinc_get_rec( } /*********************************************************************** -Read the max AUTOINC value from an index. */ +Read the max AUTOINC value from an index. +@return DB_SUCCESS if all OK else error code, DB_RECORD_NOT_FOUND if column name can't be found in index */ UNIV_INTERN ulint row_search_max_autoinc( /*===================*/ - /* out: DB_SUCCESS if all OK else - error code, DB_RECORD_NOT_FOUND if - column name can't be found in index */ - dict_index_t* index, /* in: index to search */ - const char* col_name, /* in: name of autoinc column */ - ib_uint64_t* value) /* out: AUTOINC value read */ + dict_index_t* index, /*!< in: index to search */ + const char* col_name, /*!< in: name of autoinc column */ + ib_uint64_t* value) /*!< out: AUTOINC value read */ { ulint i; ulint n_cols; diff --git a/row/row0uins.c b/row/row0uins.c index 168ee71c844..27e10ec611f 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -47,13 +47,13 @@ Created 2/25/1997 Heikki Tuuri /******************************************************************* Removes a clustered index record. The pcur in node was positioned on the -record, now it is detached. */ +record, now it is detached. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_ins_remove_clust_rec( /*==========================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node) /* in: undo node */ + undo_node_t* node) /*!< in: undo node */ { btr_cur_t* btr_cur; ibool success; @@ -132,18 +132,17 @@ retry: } /******************************************************************* -Removes a secondary index entry if found. */ +Removes a secondary index entry if found. +@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_ins_remove_sec_low( /*========================*/ - /* out: DB_SUCCESS, DB_FAIL, or - DB_OUT_OF_FILE_SPACE */ - ulint mode, /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, depending on whether we wish optimistic or pessimistic descent down the index tree */ - dict_index_t* index, /* in: index */ - dtuple_t* entry) /* in: index entry to remove */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry to remove */ { btr_pcur_t pcur; btr_cur_t* btr_cur; @@ -200,14 +199,14 @@ func_exit: /******************************************************************* Removes a secondary index entry from the index if found. Tries first -optimistic, then pessimistic descent down the tree. */ +optimistic, then pessimistic descent down the tree. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_ins_remove_sec( /*====================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - dict_index_t* index, /* in: index */ - dtuple_t* entry) /* in: index entry to insert */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry to insert */ { ulint err; ulint n_tries = 0; @@ -247,7 +246,7 @@ static void row_undo_ins_parse_undo_rec( /*========================*/ - undo_node_t* node) /* in/out: row undo node */ + undo_node_t* node) /*!< in/out: row undo node */ { dict_index_t* clust_index; byte* ptr; @@ -295,13 +294,13 @@ Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete marked, at the time of the insert. InnoDB is eager in a rollback: if it figures out that an index record will be removed in the purge -anyway, it will remove it in the rollback. */ +anyway, it will remove it in the rollback. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ UNIV_INTERN ulint row_undo_ins( /*=========*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node) /* in: row undo node */ + undo_node_t* node) /*!< in: row undo node */ { ut_ad(node); ut_ad(node->state == UNDO_NODE_INSERT); diff --git a/row/row0umod.c b/row/row0umod.c index 048d00dc096..c3701f8e61a 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -60,15 +60,14 @@ version has become obsolete at the time the undo is started. */ /*************************************************************** Checks if also the previous version of the clustered index record was modified or inserted by the same transaction, and its undo number is such -that it should be undone in the same rollback. */ +that it should be undone in the same rollback. +@return TRUE if also previous modify or insert of this row should be undone */ UNIV_INLINE ibool row_undo_mod_undo_also_prev_vers( /*=============================*/ - /* out: TRUE if also previous modify or - insert of this row should be undone */ - undo_node_t* node, /* in: row undo node */ - undo_no_t* undo_no)/* out: the undo number */ + undo_node_t* node, /*!< in: row undo node */ + undo_no_t* undo_no)/*!< out: the undo number */ { trx_undo_rec_t* undo_rec; trx_t* trx; @@ -89,18 +88,17 @@ row_undo_mod_undo_also_prev_vers( } /*************************************************************** -Undoes a modify in a clustered index record. */ +Undoes a modify in a clustered index record. +@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ static ulint row_undo_mod_clust_low( /*===================*/ - /* out: DB_SUCCESS, DB_FAIL, or error code: - we may run out of file space */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr, /* in: mtr; must be committed before + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in: mtr; must be committed before latching any further pages */ - ulint mode) /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { btr_pcur_t* pcur; btr_cur_t* btr_cur; @@ -144,17 +142,16 @@ row_undo_mod_clust_low( } /*************************************************************** -Removes a clustered index record after undo if possible. */ +Removes a clustered index record after undo if possible. +@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ static ulint row_undo_mod_remove_clust_low( /*==========================*/ - /* out: DB_SUCCESS, DB_FAIL, or error code: - we may run out of file space */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr __attribute__((unused)), /* in: query thread */ - mtr_t* mtr, /* in: mtr */ - ulint mode) /* in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr __attribute__((unused)), /*!< in: query thread */ + mtr_t* mtr, /*!< in: mtr */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { btr_pcur_t* pcur; btr_cur_t* btr_cur; @@ -208,15 +205,14 @@ row_undo_mod_remove_clust_low( /*************************************************************** Undoes a modify in a clustered index record. Sets also the node state for the -next round of undo. */ +next round of undo. +@return DB_SUCCESS or error code: we may run out of file space */ static ulint row_undo_mod_clust( /*===============*/ - /* out: DB_SUCCESS or error code: we may run - out of file space */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { btr_pcur_t* pcur; mtr_t mtr; @@ -297,18 +293,17 @@ row_undo_mod_clust( } /*************************************************************** -Delete marks or removes a secondary index entry if found. */ +Delete marks or removes a secondary index entry if found. +@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_del_mark_or_remove_sec_low( /*====================================*/ - /* out: DB_SUCCESS, DB_FAIL, or - DB_OUT_OF_FILE_SPACE */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr, /* in: query thread */ - dict_index_t* index, /* in: index */ - dtuple_t* entry, /* in: index entry */ - ulint mode) /* in: latch mode BTR_MODIFY_LEAF or + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry */ + ulint mode) /*!< in: latch mode BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { btr_pcur_t pcur; @@ -416,16 +411,16 @@ so that alphabetically they stayed the same, e.g., 'abc' -> 'aBc', we cannot return to the original values because we do not know them. But this should not cause problems because in row0sel.c, in queries we always retrieve the clustered index record or an earlier version of it, if the secondary index -record through which we do the search is delete-marked. */ +record through which we do the search is delete-marked. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_del_mark_or_remove_sec( /*================================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr, /* in: query thread */ - dict_index_t* index, /* in: index */ - dtuple_t* entry) /* in: index entry */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry */ { ulint err; @@ -445,18 +440,17 @@ row_undo_mod_del_mark_or_remove_sec( Delete unmarks a secondary index entry which must be found. It might not be delete-marked at the moment, but it does not harm to unmark it anyway. We also need to update the fields of the secondary index record if we updated its -fields but alphabetically they stayed the same, e.g., 'abc' -> 'aBc'. */ +fields but alphabetically they stayed the same, e.g., 'abc' -> 'aBc'. +@return DB_FAIL or DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_del_unmark_sec_and_undo_update( /*========================================*/ - /* out: DB_FAIL or DB_SUCCESS or - DB_OUT_OF_FILE_SPACE */ - ulint mode, /* in: search mode: BTR_MODIFY_LEAF or + ulint mode, /*!< in: search mode: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ - que_thr_t* thr, /* in: query thread */ - dict_index_t* index, /* in: index */ - dtuple_t* entry) /* in: index entry */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry */ { mem_heap_t* heap; btr_pcur_t pcur; @@ -551,14 +545,14 @@ row_undo_mod_del_unmark_sec_and_undo_update( } /*************************************************************** -Undoes a modify in secondary indexes when undo record type is UPD_DEL. */ +Undoes a modify in secondary indexes when undo record type is UPD_DEL. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_upd_del_sec( /*=====================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { mem_heap_t* heap; dtuple_t* entry; @@ -604,14 +598,14 @@ row_undo_mod_upd_del_sec( } /*************************************************************** -Undoes a modify in secondary indexes when undo record type is DEL_MARK. */ +Undoes a modify in secondary indexes when undo record type is DEL_MARK. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_del_mark_sec( /*======================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { mem_heap_t* heap; dtuple_t* entry; @@ -649,14 +643,14 @@ row_undo_mod_del_mark_sec( } /*************************************************************** -Undoes a modify in secondary indexes when undo record type is UPD_EXIST. */ +Undoes a modify in secondary indexes when undo record type is UPD_EXIST. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static ulint row_undo_mod_upd_exist_sec( /*=======================*/ - /* out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { mem_heap_t* heap; dtuple_t* entry; @@ -740,8 +734,8 @@ static void row_undo_mod_parse_undo_rec( /*========================*/ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { dict_index_t* clust_index; byte* ptr; @@ -795,14 +789,14 @@ row_undo_mod_parse_undo_rec( } /*************************************************************** -Undoes a modify operation on a row of a table. */ +Undoes a modify operation on a row of a table. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint row_undo_mod( /*=========*/ - /* out: DB_SUCCESS or error code */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; diff --git a/row/row0undo.c b/row/row0undo.c index 17e9d826134..754ea914a58 100644 --- a/row/row0undo.c +++ b/row/row0undo.c @@ -120,15 +120,15 @@ if the stored roll ptr in the undo log points to a trx already (being) purged, or if the roll ptr is NULL, i.e., it was a fresh insert. */ /************************************************************************ -Creates a row undo node to a query graph. */ +Creates a row undo node to a query graph. +@return own: undo node */ UNIV_INTERN undo_node_t* row_undo_node_create( /*=================*/ - /* out, own: undo node */ - trx_t* trx, /* in: transaction */ - que_thr_t* parent, /* in: parent node, i.e., a thr node */ - mem_heap_t* heap) /* in: memory heap where created */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap) /*!< in: memory heap where created */ { undo_node_t* undo; @@ -153,15 +153,13 @@ row_undo_node_create( Looks for the clustered index record when node has the row reference. The pcur in node is used in the search. If found, stores the row to node, and stores the position of pcur, and detaches it. The pcur must be closed -by the caller in any case. */ +by the caller in any case. +@return TRUE if found; NOTE the node->pcur must be closed by the caller, regardless of the return value */ UNIV_INTERN ibool row_undo_search_clust_to_pcur( /*==========================*/ - /* out: TRUE if found; NOTE the node->pcur - must be closed by the caller, regardless of - the return value */ - undo_node_t* node) /* in: row undo node */ + undo_node_t* node) /*!< in: row undo node */ { dict_index_t* clust_index; ibool found; @@ -226,15 +224,14 @@ row_undo_search_clust_to_pcur( /*************************************************************** Fetches an undo log record and does the undo for the recorded operation. If none left, or a partial rollback completed, returns control to the -parent node, which is always a query thread node. */ +parent node, which is always a query thread node. +@return DB_SUCCESS if operation successfully completed, else error code */ static ulint row_undo( /*=====*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code */ - undo_node_t* node, /* in: row undo node */ - que_thr_t* thr) /* in: query thread */ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; trx_t* trx; @@ -328,13 +325,13 @@ row_undo( /*************************************************************** Undoes a row operation in a table. This is a high-level function used -in SQL execution graphs. */ +in SQL execution graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_undo_step( /*==========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ulint err; undo_node_t* node; diff --git a/row/row0upd.c b/row/row0upd.c index 9bf4c8727e3..b960dddfecf 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -94,33 +94,28 @@ steps of query graph execution. */ /*************************************************************** Checks if an update vector changes some of the first ordering fields of an index record. This is only used in foreign key checks and we can assume -that index does not contain column prefixes. */ +that index does not contain column prefixes. +@return TRUE if changes */ static ibool row_upd_changes_first_fields_binary( /*================================*/ - /* out: TRUE if changes */ - dtuple_t* entry, /* in: old value of index entry */ - dict_index_t* index, /* in: index of entry */ - const upd_t* update, /* in: update vector for the row */ - ulint n); /* in: how many first fields to check */ + dtuple_t* entry, /*!< in: old value of index entry */ + dict_index_t* index, /*!< in: index of entry */ + const upd_t* update, /*!< in: update vector for the row */ + ulint n); /*!< in: how many first fields to check */ /************************************************************************* Checks if index currently is mentioned as a referenced index in a foreign -key constraint. */ +key constraint. +@return TRUE if referenced; NOTE that since we do not hold dict_operation_lock when leaving the function, it may be that the referencing table has been dropped when we leave this function: this function is only for heuristic use! */ static ibool row_upd_index_is_referenced( /*========================*/ - /* out: TRUE if referenced; NOTE that since - we do not hold dict_operation_lock - when leaving the function, it may be that - the referencing table has been dropped when - we leave this function: this function is only - for heuristic use! */ - dict_index_t* index, /* in: index */ - trx_t* trx) /* in: transaction */ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction */ { dict_table_t* table = index->table; dict_foreign_t* foreign; @@ -160,20 +155,20 @@ func_exit: /************************************************************************* Checks if possible foreign key constraints hold after a delete of the record under pcur. NOTE that this function will temporarily commit mtr and lose the -pcur position! */ +pcur position! +@return DB_SUCCESS or an error code */ static ulint row_upd_check_references_constraints( /*=================================*/ - /* out: DB_SUCCESS or an error code */ - upd_node_t* node, /* in: row update node */ - btr_pcur_t* pcur, /* in: cursor positioned on a record; NOTE: the + upd_node_t* node, /*!< in: row update node */ + btr_pcur_t* pcur, /*!< in: cursor positioned on a record; NOTE: the cursor position is lost in this function! */ - dict_table_t* table, /* in: table in question */ - dict_index_t* index, /* in: index of the cursor */ - ulint* offsets,/* in/out: rec_get_offsets(pcur.rec, index) */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr */ + dict_table_t* table, /*!< in: table in question */ + dict_index_t* index, /*!< in: index of the cursor */ + ulint* offsets,/*!< in/out: rec_get_offsets(pcur.rec, index) */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ { dict_foreign_t* foreign; mem_heap_t* heap; @@ -279,13 +274,13 @@ func_exit: } /************************************************************************* -Creates an update node for a query graph. */ +Creates an update node for a query graph. +@return own: update node */ UNIV_INTERN upd_node_t* upd_node_create( /*============*/ - /* out, own: update node */ - mem_heap_t* heap) /* in: mem heap where created */ + mem_heap_t* heap) /*!< in: mem heap where created */ { upd_node_t* node; @@ -324,12 +319,12 @@ UNIV_INTERN void row_upd_rec_sys_fields_in_recovery( /*===============================*/ - rec_t* rec, /* in/out: record */ - page_zip_des_t* page_zip,/* in/out: compressed page, or NULL */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - ulint pos, /* in: TRX_ID position in rec */ - trx_id_t trx_id, /* in: transaction id */ - roll_ptr_t roll_ptr)/* in: roll ptr of the undo log record */ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint pos, /*!< in: TRX_ID position in rec */ + trx_id_t trx_id, /*!< in: transaction id */ + roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ { ut_ad(rec_offs_validate(rec, NULL, offsets)); @@ -357,13 +352,13 @@ UNIV_INTERN void row_upd_index_entry_sys_field( /*==========================*/ - const dtuple_t* entry, /* in: index entry, where the memory buffers + const dtuple_t* entry, /*!< in: index entry, where the memory buffers for sys fields are already allocated: the function just copies the new values to them */ - dict_index_t* index, /* in: clustered index */ - ulint type, /* in: DATA_TRX_ID or DATA_ROLL_PTR */ - dulint val) /* in: value to write */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ + dulint val) /*!< in: value to write */ { dfield_t* dfield; byte* field; @@ -386,17 +381,15 @@ row_upd_index_entry_sys_field( /*************************************************************** Returns TRUE if row update changes size of some field in index or if some -field to be updated is stored externally in rec or update. */ +field to be updated is stored externally in rec or update. +@return TRUE if the update changes the size of some field in index or the field is external in rec or update */ UNIV_INTERN ibool row_upd_changes_field_size_or_external( /*===================================*/ - /* out: TRUE if the update changes the size of - some field in index or the field is external - in rec or update */ - dict_index_t* index, /* in: index */ - const ulint* offsets,/* in: rec_get_offsets(rec, index) */ - const upd_t* update) /* in: update vector */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update) /*!< in: update vector */ { const upd_field_t* upd_field; const dfield_t* new_val; @@ -459,11 +452,11 @@ UNIV_INTERN void row_upd_rec_in_place( /*=================*/ - rec_t* rec, /* in/out: record where replaced */ - dict_index_t* index, /* in: the index the record belongs to */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - const upd_t* update, /* in: update vector */ - page_zip_des_t* page_zip)/* in: compressed page with enough space + rec_t* rec, /*!< in/out: record where replaced */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + page_zip_des_t* page_zip)/*!< in: compressed page with enough space available, or NULL */ { const upd_field_t* upd_field; @@ -500,18 +493,18 @@ row_upd_rec_in_place( #ifndef UNIV_HOTBACKUP /************************************************************************* Writes into the redo log the values of trx id and roll ptr and enough info -to determine their positions within a clustered index record. */ +to determine their positions within a clustered index record. +@return new pointer to mlog */ UNIV_INTERN byte* row_upd_write_sys_vals_to_log( /*==========================*/ - /* out: new pointer to mlog */ - dict_index_t* index, /* in: clustered index */ - trx_t* trx, /* in: transaction */ - roll_ptr_t roll_ptr,/* in: roll ptr of the undo log record */ - byte* log_ptr,/* pointer to a buffer of size > 20 opened + dict_index_t* index, /*!< in: clustered index */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ + byte* log_ptr,/*!< pointer to a buffer of size > 20 opened in mlog */ - mtr_t* mtr __attribute__((unused))) /* in: mtr */ + mtr_t* mtr __attribute__((unused))) /*!< in: mtr */ { ut_ad(dict_index_is_clust(index)); ut_ad(mtr); @@ -530,17 +523,17 @@ row_upd_write_sys_vals_to_log( #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Parses the log data of system field values. */ +Parses the log data of system field values. +@return log data end or NULL */ UNIV_INTERN byte* row_upd_parse_sys_vals( /*===================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - ulint* pos, /* out: TRX_ID position in record */ - trx_id_t* trx_id, /* out: trx id */ - roll_ptr_t* roll_ptr)/* out: roll ptr */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint* pos, /*!< out: TRX_ID position in record */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr)/*!< out: roll ptr */ { ptr = mach_parse_compressed(ptr, end_ptr, pos); @@ -569,12 +562,12 @@ UNIV_INTERN void row_upd_index_write_log( /*====================*/ - const upd_t* update, /* in: update vector */ - byte* log_ptr,/* in: pointer to mlog buffer: must + const upd_t* update, /*!< in: update vector */ + byte* log_ptr,/*!< in: pointer to mlog buffer: must contain at least MLOG_BUF_MARGIN bytes of free space; the buffer is closed within this function */ - mtr_t* mtr) /* in: mtr into whose log to write */ + mtr_t* mtr) /*!< in: mtr into whose log to write */ { const upd_field_t* upd_field; const dfield_t* new_val; @@ -636,17 +629,17 @@ row_upd_index_write_log( #endif /* !UNIV_HOTBACKUP */ /************************************************************************* -Parses the log data written by row_upd_index_write_log. */ +Parses the log data written by row_upd_index_write_log. +@return log data end or NULL */ UNIV_INTERN byte* row_upd_index_parse( /*================*/ - /* out: log data end or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - mem_heap_t* heap, /* in: memory heap where update vector is + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + mem_heap_t* heap, /*!< in: memory heap where update vector is built */ - upd_t** update_out)/* out: update vector */ + upd_t** update_out)/*!< out: update vector */ { upd_t* update; upd_field_t* upd_field; @@ -718,18 +711,17 @@ row_upd_index_parse( /******************************************************************* Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare -the fields as binary strings! */ +the fields as binary strings! +@return own: update vector of differing fields */ UNIV_INTERN upd_t* row_upd_build_sec_rec_difference_binary( /*====================================*/ - /* out, own: update vector of differing - fields */ - dict_index_t* index, /* in: index */ - const dtuple_t* entry, /* in: entry to insert */ - const rec_t* rec, /* in: secondary index record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap) /* in: memory heap from which allocated */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: secondary index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { upd_field_t* upd_field; const dfield_t* dfield; @@ -788,18 +780,17 @@ row_upd_build_sec_rec_difference_binary( /******************************************************************* Builds an update vector from those fields, excluding the roll ptr and trx id fields, which in an index entry differ from a record that has -the equal ordering fields. NOTE: we compare the fields as binary strings! */ +the equal ordering fields. NOTE: we compare the fields as binary strings! +@return own: update vector of differing fields, excluding roll ptr and trx id */ UNIV_INTERN upd_t* row_upd_build_difference_binary( /*============================*/ - /* out, own: update vector of differing - fields, excluding roll ptr and trx id */ - dict_index_t* index, /* in: clustered index */ - const dtuple_t* entry, /* in: entry to insert */ - const rec_t* rec, /* in: clustered index record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap) /* in: memory heap from which allocated */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: clustered index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ { upd_field_t* upd_field; const dfield_t* dfield; @@ -865,22 +856,22 @@ skip_compare: /*************************************************************** Fetch a prefix of an externally stored column. This is similar to row_ext_lookup(), but the row_ext_t holds the old values -of the column and must not be poisoned with the new values. */ +of the column and must not be poisoned with the new values. +@return BLOB prefix */ static byte* row_upd_ext_fetch( /*==============*/ - /* out: BLOB prefix */ - const byte* data, /* in: 'internally' stored part of the + const byte* data, /*!< in: 'internally' stored part of the field containing also the reference to the external part */ - ulint local_len, /* in: length of data, in bytes */ - ulint zip_size, /* in: nonzero=compressed BLOB + ulint local_len, /*!< in: length of data, in bytes */ + ulint zip_size, /*!< in: nonzero=compressed BLOB page size, zero for uncompressed BLOBs */ - ulint* len, /* in: length of prefix to fetch; + ulint* len, /*!< in: length of prefix to fetch; out: fetched length of the prefix */ - mem_heap_t* heap) /* in: heap where to allocate */ + mem_heap_t* heap) /*!< in: heap where to allocate */ { byte* buf = mem_heap_alloc(heap, *len); @@ -900,14 +891,14 @@ static void row_upd_index_replace_new_col_val( /*==============================*/ - dfield_t* dfield, /* in/out: data field + dfield_t* dfield, /*!< in/out: data field of the index entry */ - const dict_field_t* field, /* in: index field */ - const dict_col_t* col, /* in: field->col */ - const upd_field_t* uf, /* in: update field */ - mem_heap_t* heap, /* in: memory heap for allocating + const dict_field_t* field, /*!< in: index field */ + const dict_col_t* col, /*!< in: field->col */ + const upd_field_t* uf, /*!< in: update field */ + mem_heap_t* heap, /*!< in: memory heap for allocating and copying the new value */ - ulint zip_size)/* in: compressed page + ulint zip_size)/*!< in: compressed page size of the table, or 0 */ { ulint len; @@ -993,20 +984,20 @@ UNIV_INTERN void row_upd_index_replace_new_col_vals_index_pos( /*=========================================*/ - dtuple_t* entry, /* in/out: index entry where replaced; + dtuple_t* entry, /*!< in/out: index entry where replaced; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - dict_index_t* index, /* in: index; NOTE that this may also be a + dict_index_t* index, /*!< in: index; NOTE that this may also be a non-clustered index */ - const upd_t* update, /* in: an update vector built for the index so + const upd_t* update, /*!< in: an update vector built for the index so that the field number in an upd_field is the index position */ ibool order_only, - /* in: if TRUE, limit the replacement to + /*!< in: if TRUE, limit the replacement to ordering fields of index; note that this does not work for non-clustered indexes. */ - mem_heap_t* heap) /* in: memory heap for allocating and + mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ { ulint i; @@ -1047,16 +1038,16 @@ UNIV_INTERN void row_upd_index_replace_new_col_vals( /*===============================*/ - dtuple_t* entry, /* in/out: index entry where replaced; + dtuple_t* entry, /*!< in/out: index entry where replaced; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - dict_index_t* index, /* in: index; NOTE that this may also be a + dict_index_t* index, /*!< in: index; NOTE that this may also be a non-clustered index */ - const upd_t* update, /* in: an update vector built for the + const upd_t* update, /*!< in: an update vector built for the CLUSTERED index so that the field number in an upd_field is the clustered index position */ - mem_heap_t* heap) /* in: memory heap for allocating and + mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ { ulint i; @@ -1091,17 +1082,17 @@ UNIV_INTERN void row_upd_replace( /*============*/ - dtuple_t* row, /* in/out: row where replaced, + dtuple_t* row, /*!< in/out: row where replaced, indexed by col_no; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge) */ - row_ext_t** ext, /* out, own: NULL, or externally + row_ext_t** ext, /*!< out, own: NULL, or externally stored column prefixes */ - const dict_index_t* index, /* in: clustered index */ - const upd_t* update, /* in: an update vector built for the + const dict_index_t* index, /*!< in: clustered index */ + const upd_t* update, /*!< in: an update vector built for the clustered index */ - mem_heap_t* heap) /* in: memory heap */ + mem_heap_t* heap) /*!< in: memory heap */ { ulint col_no; ulint i; @@ -1172,21 +1163,18 @@ row_upd_replace( Checks if an update vector changes an ordering field of an index record. This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! */ +NOTE: we compare the fields as binary strings! +@return TRUE if update vector changes an ordering field in the index record; NOTE: the fields are compared as binary strings */ UNIV_INTERN ibool row_upd_changes_ord_field_binary( /*=============================*/ - /* out: TRUE if update vector changes - an ordering field in the index record; - NOTE: the fields are compared as binary - strings */ - const dtuple_t* row, /* in: old value of row, or NULL if the + const dtuple_t* row, /*!< in: old value of row, or NULL if the row and the data values in update are not known when this function is called, e.g., at compile time */ - dict_index_t* index, /* in: index of the record */ - const upd_t* update) /* in: update vector for the row; NOTE: the + dict_index_t* index, /*!< in: index of the record */ + const upd_t* update) /*!< in: update vector for the row; NOTE: the field numbers in this MUST be clustered index positions! */ { @@ -1241,16 +1229,14 @@ row_upd_changes_ord_field_binary( /*************************************************************** Checks if an update vector changes an ordering field of an index record. -NOTE: we compare the fields as binary strings! */ +NOTE: we compare the fields as binary strings! +@return TRUE if update vector may change an ordering field in an index record */ UNIV_INTERN ibool row_upd_changes_some_index_ord_field_binary( /*========================================*/ - /* out: TRUE if update vector - may change an ordering field - in an index record */ - const dict_table_t* table, /* in: table */ - const upd_t* update) /* in: update vector for the row */ + const dict_table_t* table, /*!< in: table */ + const upd_t* update) /*!< in: update vector for the row */ { upd_field_t* upd_field; dict_index_t* index; @@ -1276,16 +1262,16 @@ row_upd_changes_some_index_ord_field_binary( /*************************************************************** Checks if an update vector changes some of the first ordering fields of an index record. This is only used in foreign key checks and we can assume -that index does not contain column prefixes. */ +that index does not contain column prefixes. +@return TRUE if changes */ static ibool row_upd_changes_first_fields_binary( /*================================*/ - /* out: TRUE if changes */ - dtuple_t* entry, /* in: index entry */ - dict_index_t* index, /* in: index of entry */ - const upd_t* update, /* in: update vector for the row */ - ulint n) /* in: how many first fields to check */ + dtuple_t* entry, /*!< in: index entry */ + dict_index_t* index, /*!< in: index of entry */ + const upd_t* update, /*!< in: update vector for the row */ + ulint n) /*!< in: how many first fields to check */ { ulint n_upd_fields; ulint i, j; @@ -1333,9 +1319,9 @@ UNIV_INLINE void row_upd_copy_columns( /*=================*/ - rec_t* rec, /* in: record in a clustered index */ - const ulint* offsets,/* in: array returned by rec_get_offsets() */ - sym_node_t* column) /* in: first column in a column list, or + rec_t* rec, /*!< in: record in a clustered index */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + sym_node_t* column) /*!< in: first column in a column list, or NULL */ { byte* data; @@ -1361,7 +1347,7 @@ UNIV_INLINE void row_upd_eval_new_vals( /*==================*/ - upd_t* update) /* in/out: update vector */ + upd_t* update) /*!< in/out: update vector */ { que_node_t* exp; upd_field_t* upd_field; @@ -1387,7 +1373,7 @@ static void row_upd_store_row( /*==============*/ - upd_node_t* node) /* in: row update node */ + upd_node_t* node) /*!< in: row update node */ { dict_index_t* clust_index; rec_t* rec; @@ -1425,15 +1411,14 @@ row_upd_store_row( } /*************************************************************** -Updates a secondary index entry of a row. */ +Updates a secondary index entry of a row. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_upd_sec_index_entry( /*====================*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - upd_node_t* node, /* in: row update node */ - que_thr_t* thr) /* in: query thread */ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ { mtr_t mtr; const rec_t* rec; @@ -1559,15 +1544,14 @@ func_exit: /*************************************************************** Updates the secondary index record if it is changed in the row update or -deletes it if this is a delete. */ +deletes it if this is a delete. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ UNIV_INLINE ulint row_upd_sec_step( /*=============*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - upd_node_t* node, /* in: row update node */ - que_thr_t* thr) /* in: query thread */ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ { ut_ad((node->state == UPD_NODE_UPDATE_ALL_SEC) || (node->state == UPD_NODE_UPDATE_SOME_SEC)); @@ -1586,19 +1570,18 @@ row_upd_sec_step( Marks the clustered index record deleted and inserts the updated version of the record to the index. This function should be used when the ordering fields of the clustered index record change. This should be quite rare in -database applications. */ +database applications. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_upd_clust_rec_by_insert( /*========================*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - upd_node_t* node, /* in: row update node */ - dict_index_t* index, /* in: clustered index of the record */ - que_thr_t* thr, /* in: query thread */ - ibool referenced,/* in: TRUE if index may be referenced in + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index of the record */ + que_thr_t* thr, /*!< in: query thread */ + ibool referenced,/*!< in: TRUE if index may be referenced in a foreign key constraint */ - mtr_t* mtr) /* in: mtr; gets committed here */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ { mem_heap_t* heap = NULL; btr_pcur_t* pcur; @@ -1698,17 +1681,16 @@ row_upd_clust_rec_by_insert( /*************************************************************** Updates a clustered index record of a row when the ordering fields do -not change. */ +not change. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_upd_clust_rec( /*==============*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - upd_node_t* node, /* in: row update node */ - dict_index_t* index, /* in: clustered index */ - que_thr_t* thr, /* in: query thread */ - mtr_t* mtr) /* in: mtr; gets committed here */ + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ { mem_heap_t* heap = NULL; big_rec_t* big_rec = NULL; @@ -1800,22 +1782,21 @@ row_upd_clust_rec( } /*************************************************************** -Delete marks a clustered index record. */ +Delete marks a clustered index record. +@return DB_SUCCESS if operation successfully completed, else error code */ static ulint row_upd_del_mark_clust_rec( /*=======================*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code */ - upd_node_t* node, /* in: row update node */ - dict_index_t* index, /* in: clustered index */ - ulint* offsets,/* in/out: rec_get_offsets() for the + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in/out: rec_get_offsets() for the record under the cursor */ - que_thr_t* thr, /* in: query thread */ + que_thr_t* thr, /*!< in: query thread */ ibool referenced, - /* in: TRUE if index may be referenced in + /*!< in: TRUE if index may be referenced in a foreign key constraint */ - mtr_t* mtr) /* in: mtr; gets committed here */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ { btr_pcur_t* pcur; btr_cur_t* btr_cur; @@ -1851,16 +1832,14 @@ row_upd_del_mark_clust_rec( } /*************************************************************** -Updates the clustered index record. */ +Updates the clustered index record. +@return DB_SUCCESS if operation successfully completed, DB_LOCK_WAIT in case of a lock wait, else error code */ static ulint row_upd_clust_step( /*===============*/ - /* out: DB_SUCCESS if operation successfully - completed, DB_LOCK_WAIT in case of a lock wait, - else error code */ - upd_node_t* node, /* in: row update node */ - que_thr_t* thr) /* in: query thread */ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ { dict_index_t* index; btr_pcur_t* pcur; @@ -2025,15 +2004,14 @@ exit_func: /*************************************************************** Updates the affected index records of a row. When the control is transferred to this node, we assume that we have a persistent cursor which was on a -record, and the position of the cursor is stored in the cursor. */ +record, and the position of the cursor is stored in the cursor. +@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ static ulint row_upd( /*====*/ - /* out: DB_SUCCESS if operation successfully - completed, else error code or DB_LOCK_WAIT */ - upd_node_t* node, /* in: row update node */ - que_thr_t* thr) /* in: query thread */ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ { ulint err = DB_SUCCESS; @@ -2100,13 +2078,13 @@ function_exit: /*************************************************************** Updates a row in a table. This is a high-level function used in SQL execution -graphs. */ +graphs. +@return query thread to run next or NULL */ UNIV_INTERN que_thr_t* row_upd_step( /*=========*/ - /* out: query thread to run next or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { upd_node_t* node; sel_node_t* sel_node; diff --git a/row/row0vers.c b/row/row0vers.c index b7024fee82d..3ae056a6905 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -48,17 +48,15 @@ Created 2/6/1997 Heikki Tuuri /********************************************************************* Finds out if an active transaction has inserted or modified a secondary index record. NOTE: the kernel mutex is temporarily released in this -function! */ +function! +@return NULL if committed, else the active transaction; NOTE that the kernel mutex is temporarily released! */ UNIV_INTERN trx_t* row_vers_impl_x_locked_off_kernel( /*==============================*/ - /* out: NULL if committed, else the active - transaction; NOTE that the kernel mutex is - temporarily released! */ - const rec_t* rec, /* in: record in a secondary index */ - dict_index_t* index, /* in: the secondary index */ - const ulint* offsets)/* in: rec_get_offsets(rec, index) */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: the secondary index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ { dict_index_t* clust_index; rec_t* clust_rec; @@ -300,15 +298,14 @@ exit_func: /********************************************************************* Finds out if we must preserve a delete marked earlier version of a clustered -index record, because it is >= the purge view. */ +index record, because it is >= the purge view. +@return TRUE if earlier version should be preserved */ UNIV_INTERN ibool row_vers_must_preserve_del_marked( /*==============================*/ - /* out: TRUE if earlier version should - be preserved */ - trx_id_t trx_id, /* in: transaction id in the version */ - mtr_t* mtr) /* in: mtr holding the latch on the + trx_id_t trx_id, /*!< in: transaction id in the version */ + mtr_t* mtr) /*!< in: mtr holding the latch on the clustered index record; it will also hold the latch on purge_view */ { @@ -334,21 +331,21 @@ Finds out if a version of the record, where the version >= the current purge view, should have ientry as its secondary index entry. We check if there is any not delete marked version of the record where the trx id >= purge view, and the secondary index entry and ientry are identified in -the alphabetical ordering; exactly in this case we return TRUE. */ +the alphabetical ordering; exactly in this case we return TRUE. +@return TRUE if earlier version should have */ UNIV_INTERN ibool row_vers_old_has_index_entry( /*=========================*/ - /* out: TRUE if earlier version should have */ - ibool also_curr,/* in: TRUE if also rec is included in the + ibool also_curr,/*!< in: TRUE if also rec is included in the versions to search; otherwise only versions prior to it are searched */ - const rec_t* rec, /* in: record in the clustered index; the + const rec_t* rec, /*!< in: record in the clustered index; the caller must have a latch on the page */ - mtr_t* mtr, /* in: mtr holding the latch on rec; it will + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will also hold the latch on purge_view */ - dict_index_t* index, /* in: the secondary index */ - const dtuple_t* ientry) /* in: the secondary index entry */ + dict_index_t* index, /*!< in: the secondary index */ + const dtuple_t* ientry) /*!< in: the secondary index entry */ { const rec_t* version; rec_t* prev_version; @@ -474,28 +471,28 @@ row_vers_old_has_index_entry( /********************************************************************* Constructs the version of a clustered index record which a consistent read should see. We assume that the trx id stored in rec is such that -the consistent read should not see rec in its present version. */ +the consistent read should not see rec in its present version. +@return DB_SUCCESS or DB_MISSING_HISTORY */ UNIV_INTERN ulint row_vers_build_for_consistent_read( /*===============================*/ - /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - const rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /*!< in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ - mtr_t* mtr, /* in: mtr holding the latch on rec */ - dict_index_t* index, /* in: the clustered index */ - ulint** offsets,/* in/out: offsets returned by + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by rec_get_offsets(rec, index) */ - read_view_t* view, /* in: the consistent read view */ - mem_heap_t** offset_heap,/* in/out: memory heap from which + read_view_t* view, /*!< in: the consistent read view */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which the offsets are allocated */ - mem_heap_t* in_heap,/* in: memory heap from which the memory for + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - rec_t** old_vers)/* out, own: old version, or NULL if the + rec_t** old_vers)/*!< out, own: old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ { @@ -606,27 +603,27 @@ row_vers_build_for_consistent_read( /********************************************************************* Constructs the last committed version of a clustered index record, -which should be seen by a semi-consistent read. */ +which should be seen by a semi-consistent read. +@return DB_SUCCESS or DB_MISSING_HISTORY */ UNIV_INTERN ulint row_vers_build_for_semi_consistent_read( /*====================================*/ - /* out: DB_SUCCESS or DB_MISSING_HISTORY */ - const rec_t* rec, /* in: record in a clustered index; the + const rec_t* rec, /*!< in: record in a clustered index; the caller must have a latch on the page; this latch locks the top of the stack of versions of this records */ - mtr_t* mtr, /* in: mtr holding the latch on rec */ - dict_index_t* index, /* in: the clustered index */ - ulint** offsets,/* in/out: offsets returned by + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by rec_get_offsets(rec, index) */ - mem_heap_t** offset_heap,/* in/out: memory heap from which + mem_heap_t** offset_heap,/*!< in/out: memory heap from which the offsets are allocated */ - mem_heap_t* in_heap,/* in: memory heap from which the memory for + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for *old_vers is allocated; memory for possible intermediate versions is allocated and freed locally within the function */ - const rec_t** old_vers)/* out: rec, old version, or NULL if the + const rec_t** old_vers)/*!< out: rec, old version, or NULL if the record does not exist in the view, that is, it was freshly inserted afterwards */ { diff --git a/srv/srv0que.c b/srv/srv0que.c index 344aaed8775..05c305969a4 100644 --- a/srv/srv0que.c +++ b/srv/srv0que.c @@ -63,14 +63,13 @@ srv_que_task_queue_check(void) /************************************************************************** Performs round-robin on the server tasks. This is called by a SRV_WORKER -thread every second or so. */ +thread every second or so. +@return the new (may be == thr) query thread to run */ UNIV_INTERN que_thr_t* srv_que_round_robin( /*================*/ - /* out: the new (may be == thr) query thread - to run */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { que_thr_t* new_thr; @@ -95,7 +94,7 @@ UNIV_INTERN void srv_que_task_enqueue_low( /*=====================*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ut_ad(thr); ut_ad(mutex_own(&kernel_mutex)); @@ -112,7 +111,7 @@ UNIV_INTERN void srv_que_task_enqueue( /*=================*/ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { ut_ad(thr); diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 934c1f25c7c..4957b22af28 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -640,8 +640,8 @@ UNIV_INTERN void srv_set_io_thread_op_info( /*======================*/ - ulint i, /* in: the 'segment' of the i/o thread */ - const char* str) /* in: constant char string describing the + ulint i, /*!< in: the 'segment' of the i/o thread */ + const char* str) /*!< in: constant char string describing the state */ { ut_a(i < SRV_MAX_N_IO_THREADS); @@ -651,13 +651,13 @@ srv_set_io_thread_op_info( /************************************************************************* Accessor function to get pointer to n'th slot in the server thread -table. */ +table. +@return pointer to the slot */ static srv_slot_t* srv_table_get_nth_slot( /*===================*/ - /* out: pointer to the slot */ - ulint index) /* in: index of the slot */ + ulint index) /*!< in: index of the slot */ { ut_a(index < OS_THREAD_MAX_N); @@ -665,12 +665,12 @@ srv_table_get_nth_slot( } /************************************************************************* -Gets the number of threads in the system. */ +Gets the number of threads in the system. +@return sum of srv_n_threads[] */ UNIV_INTERN ulint srv_get_n_threads(void) /*===================*/ - /* out: sum of srv_n_threads[] */ { ulint i; ulint n_threads = 0; @@ -690,13 +690,13 @@ srv_get_n_threads(void) /************************************************************************* Reserves a slot in the thread table for the current thread. Also creates the thread local storage struct for the current thread. NOTE! The server mutex -has to be reserved by the caller! */ +has to be reserved by the caller! +@return reserved slot index */ static ulint srv_table_reserve_slot( /*===================*/ - /* out: reserved slot index */ - enum srv_thread_type type) /* in: type of the thread */ + enum srv_thread_type type) /*!< in: type of the thread */ { srv_slot_t* slot; ulint i; @@ -729,12 +729,12 @@ srv_table_reserve_slot( /************************************************************************* Suspends the calling thread to wait for the event in its thread slot. -NOTE! The server mutex has to be reserved by the caller! */ +NOTE! The server mutex has to be reserved by the caller! +@return event for the calling thread to wait */ static os_event_t srv_suspend_thread(void) /*====================*/ - /* out: event for the calling thread to wait */ { srv_slot_t* slot; os_event_t event; @@ -773,17 +773,14 @@ srv_suspend_thread(void) /************************************************************************* Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! */ +NOTE! The server mutex has to be reserved by the caller! +@return number of threads released: this may be < n if not enough threads were suspended at the moment */ UNIV_INTERN ulint srv_release_threads( /*================*/ - /* out: number of threads - released: this may be < n if - not enough threads were - suspended at the moment */ - enum srv_thread_type type, /* in: thread type */ - ulint n) /* in: number of threads to release */ + enum srv_thread_type type, /*!< in: thread type */ + ulint n) /*!< in: number of threads to release */ { srv_slot_t* slot; ulint i; @@ -826,12 +823,12 @@ srv_release_threads( } /************************************************************************* -Returns the calling thread type. */ +Returns the calling thread type. +@return SRV_COM, ... */ UNIV_INTERN enum srv_thread_type srv_get_thread_type(void) /*=====================*/ - /* out: SRV_COM, ... */ { ulint slot_no; srv_slot_t* slot; @@ -967,7 +964,7 @@ UNIV_INTERN void srv_conc_enter_innodb( /*==================*/ - trx_t* trx) /* in: transaction object associated with the + trx_t* trx) /*!< in: transaction object associated with the thread */ { ibool has_slept = FALSE; @@ -1127,7 +1124,7 @@ UNIV_INTERN void srv_conc_force_enter_innodb( /*========================*/ - trx_t* trx) /* in: transaction object associated with the + trx_t* trx) /*!< in: transaction object associated with the thread */ { if (UNIV_LIKELY(!srv_thread_concurrency)) { @@ -1153,7 +1150,7 @@ UNIV_INTERN void srv_conc_force_exit_innodb( /*=======================*/ - trx_t* trx) /* in: transaction object associated with the + trx_t* trx) /*!< in: transaction object associated with the thread */ { srv_conc_slot_t* slot = NULL; @@ -1209,7 +1206,7 @@ UNIV_INTERN void srv_conc_exit_innodb( /*=================*/ - trx_t* trx) /* in: transaction object associated with the + trx_t* trx) /*!< in: transaction object associated with the thread */ { if (trx->n_tickets_to_enter_innodb > 0) { @@ -1229,12 +1226,12 @@ srv_conc_exit_innodb( /*========================================================================*/ /************************************************************************* -Normalizes init parameter values to use units we use inside InnoDB. */ +Normalizes init parameter values to use units we use inside InnoDB. +@return DB_SUCCESS or error code */ static ulint srv_normalize_init_values(void) /*===========================*/ - /* out: DB_SUCCESS or error code */ { ulint n; ulint i; @@ -1259,12 +1256,12 @@ srv_normalize_init_values(void) } /************************************************************************* -Boots the InnoDB server. */ +Boots the InnoDB server. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint srv_boot(void) /*==========*/ - /* out: DB_SUCCESS or error code */ { ulint err; @@ -1291,12 +1288,12 @@ srv_boot(void) /************************************************************************* Reserves a slot in the thread table for the current MySQL OS thread. -NOTE! The kernel mutex has to be reserved by the caller! */ +NOTE! The kernel mutex has to be reserved by the caller! +@return reserved slot */ static srv_slot_t* srv_table_reserve_slot_for_mysql(void) /*==================================*/ - /* out: reserved slot */ { srv_slot_t* slot; ulint i; @@ -1364,7 +1361,7 @@ UNIV_INTERN void srv_suspend_mysql_thread( /*=====================*/ - que_thr_t* thr) /* in: query thread associated with the MySQL + que_thr_t* thr) /*!< in: query thread associated with the MySQL OS thread */ { srv_slot_t* slot; @@ -1540,7 +1537,7 @@ UNIV_INTERN void srv_release_mysql_thread_if_suspended( /*==================================*/ - que_thr_t* thr) /* in: query thread associated with the + que_thr_t* thr) /*!< in: query thread associated with the MySQL OS thread */ { srv_slot_t* slot; @@ -1598,10 +1595,10 @@ UNIV_INTERN void srv_printf_innodb_monitor( /*======================*/ - FILE* file, /* in: output stream */ - ulint* trx_start, /* out: file position of the start of + FILE* file, /*!< in: output stream */ + ulint* trx_start, /*!< out: file position of the start of the list of active transactions */ - ulint* trx_end) /* out: file position of the end of + ulint* trx_end) /*!< out: file position of the end of the list of active transactions */ { double time_elapsed; @@ -1852,14 +1849,14 @@ srv_export_innodb_status(void) /************************************************************************* A thread which wakes up threads whose lock wait may have lasted too long. -This also prints the info output by various InnoDB monitors. */ +This also prints the info output by various InnoDB monitors. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_lock_timeout_and_monitor_thread( /*================================*/ - /* out: a dummy parameter */ void* arg __attribute__((unused))) - /* in: a dummy parameter required by + /*!< in: a dummy parameter required by os_thread_create */ { srv_slot_t* slot; @@ -2039,14 +2036,14 @@ exit_func: /************************************************************************* A thread which prints warnings about semaphore waits which have lasted -too long. These can be used to track bugs which cause hangs. */ +too long. These can be used to track bugs which cause hangs. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_error_monitor_thread( /*=====================*/ - /* out: a dummy parameter */ void* arg __attribute__((unused))) - /* in: a dummy parameter required by + /*!< in: a dummy parameter required by os_thread_create */ { /* number of successive fatal timeouts observed */ @@ -2177,14 +2174,14 @@ srv_wake_master_thread(void) } /************************************************************************* -The master thread controlling the server. */ +The master thread controlling the server. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t srv_master_thread( /*==============*/ - /* out: a dummy parameter */ void* arg __attribute__((unused))) - /* in: a dummy parameter required by + /*!< in: a dummy parameter required by os_thread_create */ { os_event_t event; diff --git a/srv/srv0start.c b/srv/srv0start.c index ae74c62f9b9..a28bbc146bb 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -120,14 +120,14 @@ static char* srv_monitor_file_name; /************************************************************************* Convert a numeric string that optionally ends in G or M, to a number -containing megabytes. */ +containing megabytes. +@return next character in string */ static char* srv_parse_megabytes( /*================*/ - /* out: next character in string */ - char* str, /* in: string containing a quantity in bytes */ - ulint* megs) /* out: the number in megabytes */ + char* str, /*!< in: string containing a quantity in bytes */ + ulint* megs) /*!< out: the number in megabytes */ { char* endp; ulint size; @@ -154,13 +154,13 @@ srv_parse_megabytes( /************************************************************************* Reads the data files and their sizes from a character string given in -the .cnf file. */ +the .cnf file. +@return TRUE if ok, FALSE on parse error */ UNIV_INTERN ibool srv_parse_data_file_paths_and_sizes( /*================================*/ - /* out: TRUE if ok, FALSE on parse error */ - char* str) /* in/out: the data file path string */ + char* str) /*!< in/out: the data file path string */ { char* input_str; char* path; @@ -338,13 +338,13 @@ srv_parse_data_file_paths_and_sizes( /************************************************************************* Reads log group home directories from a character string given in -the .cnf file. */ +the .cnf file. +@return TRUE if ok, FALSE on parse error */ UNIV_INTERN ibool srv_parse_log_group_home_dirs( /*==========================*/ - /* out: TRUE if ok, FALSE on parse error */ - char* str) /* in/out: character string */ + char* str) /*!< in/out: character string */ { char* input_str; char* path; @@ -428,13 +428,13 @@ srv_free_paths_and_sizes(void) #ifndef UNIV_HOTBACKUP /************************************************************************ -I/o-handler thread function. */ +I/o-handler thread function. +@return OS_THREAD_DUMMY_RETURN */ static os_thread_ret_t io_handler_thread( /*==============*/ - /* out: OS_THREAD_DUMMY_RETURN */ - void* arg) /* in: pointer to the number of the segment in + void* arg) /*!< in: pointer to the number of the segment in the aio array */ { ulint segment; @@ -477,7 +477,7 @@ UNIV_INTERN void srv_normalize_path_for_win( /*=======================*/ - char* str __attribute__((unused))) /* in/out: null-terminated + char* str __attribute__((unused))) /*!< in/out: null-terminated character string */ { #ifdef __WIN__ @@ -492,14 +492,13 @@ srv_normalize_path_for_win( /************************************************************************* Adds a slash or a backslash to the end of a string if it is missing -and the string is not empty. */ +and the string is not empty. +@return string which has the separator if the string is not empty */ UNIV_INTERN char* srv_add_path_separator_if_needed( /*=============================*/ - /* out: string which has the separator if the - string is not empty */ - char* str) /* in: null-terminated character string */ + char* str) /*!< in: null-terminated character string */ { char* out_str; ulint len = ut_strlen(str); @@ -520,48 +519,46 @@ srv_add_path_separator_if_needed( #ifndef UNIV_HOTBACKUP /************************************************************************* Calculates the low 32 bits when a file size which is given as a number -database pages is converted to the number of bytes. */ +database pages is converted to the number of bytes. +@return low 32 bytes of file size when expressed in bytes */ static ulint srv_calc_low32( /*===========*/ - /* out: low 32 bytes of file size when - expressed in bytes */ - ulint file_size) /* in: file size in database pages */ + ulint file_size) /*!< in: file size in database pages */ { return(0xFFFFFFFFUL & (file_size << UNIV_PAGE_SIZE_SHIFT)); } /************************************************************************* Calculates the high 32 bits when a file size which is given as a number -database pages is converted to the number of bytes. */ +database pages is converted to the number of bytes. +@return high 32 bytes of file size when expressed in bytes */ static ulint srv_calc_high32( /*============*/ - /* out: high 32 bytes of file size when - expressed in bytes */ - ulint file_size) /* in: file size in database pages */ + ulint file_size) /*!< in: file size in database pages */ { return(file_size >> (32 - UNIV_PAGE_SIZE_SHIFT)); } /************************************************************************* -Creates or opens the log files and closes them. */ +Creates or opens the log files and closes them. +@return DB_SUCCESS or error code */ static ulint open_or_create_log_file( /*====================*/ - /* out: DB_SUCCESS or error code */ - ibool create_new_db, /* in: TRUE if we should create a + ibool create_new_db, /*!< in: TRUE if we should create a new database */ - ibool* log_file_created, /* out: TRUE if new log file + ibool* log_file_created, /*!< out: TRUE if new log file created */ - ibool log_file_has_been_opened,/* in: TRUE if a log file has been + ibool log_file_has_been_opened,/*!< in: TRUE if a log file has been opened before: then it is an error to try to create another log file */ - ulint k, /* in: log group number */ - ulint i) /* in: log file number in group */ + ulint k, /*!< in: log group number */ + ulint i) /*!< in: log file number in group */ { ibool ret; ulint size; @@ -700,25 +697,25 @@ open_or_create_log_file( } /************************************************************************* -Creates or opens database data files and closes them. */ +Creates or opens database data files and closes them. +@return DB_SUCCESS or error code */ static ulint open_or_create_data_files( /*======================*/ - /* out: DB_SUCCESS or error code */ - ibool* create_new_db, /* out: TRUE if new database should be + ibool* create_new_db, /*!< out: TRUE if new database should be created */ #ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no,/* out: min of archived log + ulint* min_arch_log_no,/*!< out: min of archived log numbers in data files */ - ulint* max_arch_log_no,/* out: max of archived log + ulint* max_arch_log_no,/*!< out: max of archived log numbers in data files */ #endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn,/* out: min of flushed lsn + ib_uint64_t* min_flushed_lsn,/*!< out: min of flushed lsn values in data files */ - ib_uint64_t* max_flushed_lsn,/* out: max of flushed lsn + ib_uint64_t* max_flushed_lsn,/*!< out: max of flushed lsn values in data files */ - ulint* sum_of_new_sizes)/* out: sum of sizes of the + ulint* sum_of_new_sizes)/*!< out: sum of sizes of the new files added */ { ibool ret; @@ -973,12 +970,12 @@ skip_size_check: /******************************************************************** Starts InnoDB and creates a new database if database files -are not found and the user wants. */ +are not found and the user wants. +@return DB_SUCCESS or error code */ UNIV_INTERN int innobase_start_or_create_for_mysql(void) /*====================================*/ - /* out: DB_SUCCESS or error code */ { buf_pool_t* ret; ibool create_new_db; @@ -1879,12 +1876,12 @@ innobase_start_or_create_for_mysql(void) } /******************************************************************** -Shuts down the InnoDB database. */ +Shuts down the InnoDB database. +@return DB_SUCCESS or error code */ UNIV_INTERN int innobase_shutdown_for_mysql(void) /*=============================*/ - /* out: DB_SUCCESS or error code */ { ulint i; #ifdef __NETWARE__ diff --git a/sync/sync0arr.c b/sync/sync0arr.c index 12c908101e9..5047a8872ba 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -136,28 +136,28 @@ struct sync_array_struct { #ifdef UNIV_SYNC_DEBUG /********************************************************************** This function is called only in the debug version. Detects a deadlock -of one or more threads because of waits of semaphores. */ +of one or more threads because of waits of semaphores. +@return TRUE if deadlock detected */ static ibool sync_array_detect_deadlock( /*=======================*/ - /* out: TRUE if deadlock detected */ - sync_array_t* arr, /* in: wait array; NOTE! the caller must + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must own the mutex to array */ - sync_cell_t* start, /* in: cell where recursive search started */ - sync_cell_t* cell, /* in: cell to search */ - ulint depth); /* in: recursion depth */ + sync_cell_t* start, /*!< in: cell where recursive search started */ + sync_cell_t* cell, /*!< in: cell to search */ + ulint depth); /*!< in: recursion depth */ #endif /* UNIV_SYNC_DEBUG */ /********************************************************************* -Gets the nth cell in array. */ +Gets the nth cell in array. +@return cell */ static sync_cell_t* sync_array_get_nth_cell( /*====================*/ - /* out: cell */ - sync_array_t* arr, /* in: sync array */ - ulint n) /* in: index */ + sync_array_t* arr, /*!< in: sync array */ + ulint n) /*!< in: index */ { ut_a(arr); ut_a(n < arr->n_cells); @@ -171,7 +171,7 @@ static void sync_array_enter( /*=============*/ - sync_array_t* arr) /* in: sync wait array */ + sync_array_t* arr) /*!< in: sync wait array */ { ulint protection; @@ -192,7 +192,7 @@ static void sync_array_exit( /*============*/ - sync_array_t* arr) /* in: sync wait array */ + sync_array_t* arr) /*!< in: sync wait array */ { ulint protection; @@ -210,15 +210,15 @@ sync_array_exit( /*********************************************************************** Creates a synchronization wait array. It is protected by a mutex which is automatically reserved when the functions operating on it -are called. */ +are called. +@return own: created wait array */ UNIV_INTERN sync_array_t* sync_array_create( /*==============*/ - /* out, own: created wait array */ - ulint n_cells, /* in: number of cells in the array + ulint n_cells, /*!< in: number of cells in the array to create */ - ulint protection) /* in: either SYNC_ARRAY_OS_MUTEX or + ulint protection) /*!< in: either SYNC_ARRAY_OS_MUTEX or SYNC_ARRAY_MUTEX: determines the type of mutex protecting the data structure */ { @@ -266,7 +266,7 @@ UNIV_INTERN void sync_array_free( /*============*/ - sync_array_t* arr) /* in, own: sync wait array */ + sync_array_t* arr) /*!< in, own: sync wait array */ { ulint protection; @@ -297,7 +297,7 @@ UNIV_INTERN void sync_array_validate( /*================*/ - sync_array_t* arr) /* in: sync wait array */ + sync_array_t* arr) /*!< in: sync wait array */ { ulint i; sync_cell_t* cell; @@ -323,7 +323,7 @@ static os_event_t sync_cell_get_event( /*================*/ - sync_cell_t* cell) /* in: non-empty sync array cell */ + sync_cell_t* cell) /*!< in: non-empty sync array cell */ { ulint type = cell->request_type; @@ -343,12 +343,12 @@ UNIV_INTERN void sync_array_reserve_cell( /*====================*/ - sync_array_t* arr, /* in: wait array */ - void* object, /* in: pointer to the object to wait for */ - ulint type, /* in: lock request type */ - const char* file, /* in: file where requested */ - ulint line, /* in: line where requested */ - ulint* index) /* out: index of the reserved cell */ + sync_array_t* arr, /*!< in: wait array */ + void* object, /*!< in: pointer to the object to wait for */ + ulint type, /*!< in: lock request type */ + const char* file, /*!< in: file where requested */ + ulint line, /*!< in: line where requested */ + ulint* index) /*!< out: index of the reserved cell */ { sync_cell_t* cell; os_event_t event; @@ -415,8 +415,8 @@ UNIV_INTERN void sync_array_wait_event( /*==================*/ - sync_array_t* arr, /* in: wait array */ - ulint index) /* in: index of the reserved cell */ + sync_array_t* arr, /*!< in: wait array */ + ulint index) /*!< in: index of the reserved cell */ { sync_cell_t* cell; os_event_t event; @@ -464,8 +464,8 @@ static void sync_array_cell_print( /*==================*/ - FILE* file, /* in: file where to print */ - sync_cell_t* cell) /* in: sync cell */ + FILE* file, /*!< in: file where to print */ + sync_cell_t* cell) /*!< in: sync cell */ { mutex_t* mutex; rw_lock_t* rwlock; @@ -545,15 +545,14 @@ sync_array_cell_print( #ifdef UNIV_SYNC_DEBUG /********************************************************************** -Looks for a cell with the given thread id. */ +Looks for a cell with the given thread id. +@return pointer to cell or NULL if not found */ static sync_cell_t* sync_array_find_thread( /*===================*/ - /* out: pointer to cell or NULL - if not found */ - sync_array_t* arr, /* in: wait array */ - os_thread_id_t thread) /* in: thread id */ + sync_array_t* arr, /*!< in: wait array */ + os_thread_id_t thread) /*!< in: thread id */ { ulint i; sync_cell_t* cell; @@ -573,19 +572,19 @@ sync_array_find_thread( } /********************************************************************** -Recursion step for deadlock detection. */ +Recursion step for deadlock detection. +@return TRUE if deadlock detected */ static ibool sync_array_deadlock_step( /*=====================*/ - /* out: TRUE if deadlock detected */ - sync_array_t* arr, /* in: wait array; NOTE! the caller must + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must own the mutex to array */ - sync_cell_t* start, /* in: cell where recursive search + sync_cell_t* start, /*!< in: cell where recursive search started */ - os_thread_id_t thread, /* in: thread to look at */ - ulint pass, /* in: pass value */ - ulint depth) /* in: recursion depth */ + os_thread_id_t thread, /*!< in: thread to look at */ + ulint pass, /*!< in: pass value */ + ulint depth) /*!< in: recursion depth */ { sync_cell_t* new; ibool ret; @@ -625,17 +624,17 @@ sync_array_deadlock_step( /********************************************************************** This function is called only in the debug version. Detects a deadlock -of one or more threads because of waits of semaphores. */ +of one or more threads because of waits of semaphores. +@return TRUE if deadlock detected */ static ibool sync_array_detect_deadlock( /*=======================*/ - /* out: TRUE if deadlock detected */ - sync_array_t* arr, /* in: wait array; NOTE! the caller must + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must own the mutex to array */ - sync_cell_t* start, /* in: cell where recursive search started */ - sync_cell_t* cell, /* in: cell to search */ - ulint depth) /* in: recursion depth */ + sync_cell_t* start, /*!< in: cell where recursive search started */ + sync_cell_t* cell, /*!< in: cell to search */ + ulint depth) /*!< in: recursion depth */ { mutex_t* mutex; rw_lock_t* lock; @@ -774,7 +773,7 @@ static ibool sync_arr_cell_can_wake_up( /*======================*/ - sync_cell_t* cell) /* in: cell to search */ + sync_cell_t* cell) /*!< in: cell to search */ { mutex_t* mutex; rw_lock_t* lock; @@ -827,8 +826,8 @@ UNIV_INTERN void sync_array_free_cell( /*=================*/ - sync_array_t* arr, /* in: wait array */ - ulint index) /* in: index of the cell in array */ + sync_array_t* arr, /*!< in: wait array */ + ulint index) /*!< in: index of the cell in array */ { sync_cell_t* cell; @@ -854,7 +853,7 @@ UNIV_INTERN void sync_array_object_signalled( /*========================*/ - sync_array_t* arr) /* in: wait array */ + sync_array_t* arr) /*!< in: wait array */ { #ifdef HAVE_ATOMIC_BUILTINS (void) os_atomic_increment_ulint(&arr->sg_count, 1); @@ -914,13 +913,12 @@ sync_arr_wake_threads_if_sema_free(void) } /************************************************************************** -Prints warnings of long semaphore waits to stderr. */ +Prints warnings of long semaphore waits to stderr. +@return TRUE if fatal semaphore wait threshold was exceeded */ UNIV_INTERN ibool sync_array_print_long_waits(void) /*=============================*/ - /* out: TRUE if fatal semaphore wait threshold - was exceeded */ { sync_cell_t* cell; ibool old_val; @@ -985,8 +983,8 @@ static void sync_array_output_info( /*===================*/ - FILE* file, /* in: file where to print */ - sync_array_t* arr) /* in: wait array; NOTE! caller must own the + FILE* file, /*!< in: file where to print */ + sync_array_t* arr) /*!< in: wait array; NOTE! caller must own the mutex */ { sync_cell_t* cell; @@ -1018,8 +1016,8 @@ UNIV_INTERN void sync_array_print_info( /*==================*/ - FILE* file, /* in: file where to print */ - sync_array_t* arr) /* in: wait array */ + FILE* file, /*!< in: file where to print */ + sync_array_t* arr) /*!< in: wait array */ { sync_array_enter(arr); diff --git a/sync/sync0rw.c b/sync/sync0rw.c index 75875865493..dfff2caedd9 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -189,12 +189,12 @@ rw_lock_debug_free( rw_lock_debug_t* info); /********************************************************************** -Creates a debug info struct. */ +Creates a debug info struct. +@return own: debug info struct */ static rw_lock_debug_t* rw_lock_debug_create(void) /*======================*/ - /* out, own: debug info struct */ { return((rw_lock_debug_t*) mem_alloc(sizeof(rw_lock_debug_t))); } @@ -220,15 +220,15 @@ UNIV_INTERN void rw_lock_create_func( /*================*/ - rw_lock_t* lock, /* in: pointer to memory */ + rw_lock_t* lock, /*!< in: pointer to memory */ #ifdef UNIV_DEBUG # ifdef UNIV_SYNC_DEBUG - ulint level, /* in: level */ + ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /* in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ #endif /* UNIV_DEBUG */ - const char* cfile_name, /* in: file name where created */ - ulint cline) /* in: file line where created */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ { /* If this is the very first time a synchronization object is created, then the following call initializes the sync system. */ @@ -294,7 +294,7 @@ UNIV_INTERN void rw_lock_free( /*=========*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /*!< in: rw-lock */ { ut_ad(rw_lock_validate(lock)); ut_a(lock->lock_word == X_LOCK_DECR); @@ -325,13 +325,13 @@ rw_lock_free( #ifdef UNIV_DEBUG /********************************************************************** Checks that the rw-lock has been initialized and that there are no -simultaneous shared and exclusive locks. */ +simultaneous shared and exclusive locks. +@return TRUE */ UNIV_INTERN ibool rw_lock_validate( /*=============*/ - /* out: TRUE */ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /*!< in: rw-lock */ { ut_a(lock); @@ -355,11 +355,11 @@ UNIV_INTERN void rw_lock_s_lock_spin( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name, /* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { ulint index; /* index of the reserved wait cell */ ulint i = 0; /* spin round count */ @@ -450,7 +450,7 @@ UNIV_INTERN void rw_lock_x_lock_move_ownership( /*==========================*/ - rw_lock_t* lock) /* in: lock which was x-locked in the + rw_lock_t* lock) /*!< in: lock which was x-locked in the buffer read */ { ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX)); @@ -460,18 +460,18 @@ rw_lock_x_lock_move_ownership( /********************************************************************** Function for the next writer to call. Waits for readers to exit. -The caller must have already decremented lock_word by X_LOCK_DECR.*/ +The caller must have already decremented lock_word by X_LOCK_DECR. */ UNIV_INLINE void rw_lock_x_lock_wait( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ #ifdef UNIV_SYNC_DEBUG - ulint pass, /* in: pass value; != 0, if the lock will + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ #endif - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { ulint index; ulint i = 0; @@ -527,18 +527,17 @@ rw_lock_x_lock_wait( } /********************************************************************** -Low-level function for acquiring an exclusive lock. */ +Low-level function for acquiring an exclusive lock. +@return RW_LOCK_NOT_LOCKED if did not succeed, RW_LOCK_EX if success. */ UNIV_INLINE ibool rw_lock_x_lock_low( /*===============*/ - /* out: RW_LOCK_NOT_LOCKED if did - not succeed, RW_LOCK_EX if success. */ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { os_thread_id_t curr_thread = os_thread_get_curr_id(); @@ -594,11 +593,11 @@ UNIV_INTERN void rw_lock_x_lock_func( /*================*/ - rw_lock_t* lock, /* in: pointer to rw-lock */ - ulint pass, /* in: pass value; != 0, if the lock will + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will be passed to another thread to unlock */ - const char* file_name,/* in: file name where lock requested */ - ulint line) /* in: line where requested */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ { ulint index; /* index of the reserved wait cell */ ulint i; /* spin round count */ @@ -733,11 +732,11 @@ UNIV_INTERN void rw_lock_add_debug_info( /*===================*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint pass, /* in: pass value */ - ulint lock_type, /* in: lock type */ - const char* file_name, /* in: file where requested */ - ulint line) /* in: line where requested */ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type, /*!< in: lock type */ + const char* file_name, /*!< in: file where requested */ + ulint line) /*!< in: line where requested */ { rw_lock_debug_t* info; @@ -769,9 +768,9 @@ UNIV_INTERN void rw_lock_remove_debug_info( /*======================*/ - rw_lock_t* lock, /* in: rw-lock */ - ulint pass, /* in: pass value */ - ulint lock_type) /* in: lock type */ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type) /*!< in: lock type */ { rw_lock_debug_t* info; @@ -811,14 +810,14 @@ rw_lock_remove_debug_info( #ifdef UNIV_SYNC_DEBUG /********************************************************************** Checks if the thread has locked the rw-lock in the specified mode, with -the pass value == 0. */ +the pass value == 0. +@return TRUE if locked */ UNIV_INTERN ibool rw_lock_own( /*========*/ - /* out: TRUE if locked */ - rw_lock_t* lock, /* in: rw-lock */ - ulint lock_type) /* in: lock type: RW_LOCK_SHARED, + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ { rw_lock_debug_t* info; @@ -851,14 +850,14 @@ rw_lock_own( #endif /* UNIV_SYNC_DEBUG */ /********************************************************************** -Checks if somebody has locked the rw-lock in the specified mode. */ +Checks if somebody has locked the rw-lock in the specified mode. +@return TRUE if locked */ UNIV_INTERN ibool rw_lock_is_locked( /*==============*/ - /* out: TRUE if locked */ - rw_lock_t* lock, /* in: rw-lock */ - ulint lock_type) /* in: lock type: RW_LOCK_SHARED, + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ { ibool ret = FALSE; @@ -888,7 +887,7 @@ UNIV_INTERN void rw_lock_list_print_info( /*====================*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { rw_lock_t* lock; ulint count = 0; @@ -942,7 +941,7 @@ UNIV_INTERN void rw_lock_print( /*==========*/ - rw_lock_t* lock) /* in: rw-lock */ + rw_lock_t* lock) /*!< in: rw-lock */ { rw_lock_debug_t* info; @@ -981,7 +980,7 @@ UNIV_INTERN void rw_lock_debug_print( /*================*/ - rw_lock_debug_t* info) /* in: debug struct */ + rw_lock_debug_t* info) /*!< in: debug struct */ { ulint rwt; @@ -1007,12 +1006,12 @@ rw_lock_debug_print( /******************************************************************* Returns the number of currently locked rw-locks. Works only in the debug -version. */ +version. +@return number of locked rw-locks */ UNIV_INTERN ulint rw_lock_n_locked(void) /*==================*/ - /* out: number of locked rw-locks */ { rw_lock_t* lock; ulint count = 0; diff --git a/sync/sync0sync.c b/sync/sync0sync.c index aed4dbadd27..35f8395f7e8 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -225,15 +225,15 @@ UNIV_INTERN void mutex_create_func( /*==============*/ - mutex_t* mutex, /* in: pointer to memory */ + mutex_t* mutex, /*!< in: pointer to memory */ #ifdef UNIV_DEBUG - const char* cmutex_name, /* in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ # ifdef UNIV_SYNC_DEBUG - ulint level, /* in: level */ + ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ #endif /* UNIV_DEBUG */ - const char* cfile_name, /* in: file name where created */ - ulint cline) /* in: file line where created */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ { #if defined(HAVE_ATOMIC_BUILTINS) mutex_reset_lock_word(mutex); @@ -297,7 +297,7 @@ UNIV_INTERN void mutex_free( /*=======*/ - mutex_t* mutex) /* in: mutex */ + mutex_t* mutex) /*!< in: mutex */ { ut_ad(mutex_validate(mutex)); ut_a(mutex_get_lock_word(mutex) == 0); @@ -339,18 +339,18 @@ mutex_free( /************************************************************************ NOTE! Use the corresponding macro in the header file, not this function directly. Tries to lock the mutex for the current thread. If the lock is not -acquired immediately, returns with return value 1. */ +acquired immediately, returns with return value 1. +@return 0 if succeed, 1 if not */ UNIV_INTERN ulint mutex_enter_nowait_func( /*====================*/ - /* out: 0 if succeed, 1 if not */ - mutex_t* mutex, /* in: pointer to mutex */ + mutex_t* mutex, /*!< in: pointer to mutex */ const char* file_name __attribute__((unused)), - /* in: file name where mutex + /*!< in: file name where mutex requested */ ulint line __attribute__((unused))) - /* in: line where requested */ + /*!< in: line where requested */ { ut_ad(mutex_validate(mutex)); @@ -369,13 +369,13 @@ mutex_enter_nowait_func( #ifdef UNIV_DEBUG /********************************************************************** -Checks that the mutex has been initialized. */ +Checks that the mutex has been initialized. +@return TRUE */ UNIV_INTERN ibool mutex_validate( /*===========*/ - /* out: TRUE */ - const mutex_t* mutex) /* in: mutex */ + const mutex_t* mutex) /*!< in: mutex */ { ut_a(mutex); ut_a(mutex->magic_n == MUTEX_MAGIC_N); @@ -385,13 +385,13 @@ mutex_validate( /********************************************************************** Checks that the current thread owns the mutex. Works only in the debug -version. */ +version. +@return TRUE if owns */ UNIV_INTERN ibool mutex_own( /*======*/ - /* out: TRUE if owns */ - const mutex_t* mutex) /* in: mutex */ + const mutex_t* mutex) /*!< in: mutex */ { ut_ad(mutex_validate(mutex)); @@ -406,8 +406,8 @@ UNIV_INTERN void mutex_set_waiters( /*==============*/ - mutex_t* mutex, /* in: mutex */ - ulint n) /* in: value to set */ + mutex_t* mutex, /*!< in: mutex */ + ulint n) /*!< in: value to set */ { volatile ulint* ptr; /* declared volatile to ensure that the value is stored to memory */ @@ -427,10 +427,10 @@ UNIV_INTERN void mutex_spin_wait( /*============*/ - mutex_t* mutex, /* in: pointer to mutex */ - const char* file_name, /* in: file name where mutex + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex requested */ - ulint line) /* in: line where requested */ + ulint line) /*!< in: line where requested */ { ulint index; /* index of the reserved wait cell */ ulint i; /* spin round count */ @@ -606,7 +606,7 @@ UNIV_INTERN void mutex_signal_object( /*================*/ - mutex_t* mutex) /* in: mutex */ + mutex_t* mutex) /*!< in: mutex */ { mutex_set_waiters(mutex, 0); @@ -623,9 +623,9 @@ UNIV_INTERN void mutex_set_debug_info( /*=================*/ - mutex_t* mutex, /* in: mutex */ - const char* file_name, /* in: file where requested */ - ulint line) /* in: line where requested */ + mutex_t* mutex, /*!< in: mutex */ + const char* file_name, /*!< in: file where requested */ + ulint line) /*!< in: line where requested */ { ut_ad(mutex); ut_ad(file_name); @@ -642,10 +642,10 @@ UNIV_INTERN void mutex_get_debug_info( /*=================*/ - mutex_t* mutex, /* in: mutex */ - const char** file_name, /* out: file where requested */ - ulint* line, /* out: line where requested */ - os_thread_id_t* thread_id) /* out: id of the thread which owns + mutex_t* mutex, /*!< in: mutex */ + const char** file_name, /*!< out: file where requested */ + ulint* line, /*!< out: line where requested */ + os_thread_id_t* thread_id) /*!< out: id of the thread which owns the mutex */ { ut_ad(mutex); @@ -661,7 +661,7 @@ static void mutex_list_print_info( /*==================*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { mutex_t* mutex; const char* file_name; @@ -699,12 +699,12 @@ mutex_list_print_info( } /********************************************************************** -Counts currently reserved mutexes. Works only in the debug version. */ +Counts currently reserved mutexes. Works only in the debug version. +@return number of reserved mutexes */ UNIV_INTERN ulint mutex_n_reserved(void) /*==================*/ - /* out: number of reserved mutexes */ { mutex_t* mutex; ulint count = 0; @@ -732,24 +732,24 @@ mutex_n_reserved(void) /********************************************************************** Returns TRUE if no mutex or rw-lock is currently locked. Works only in -the debug version. */ +the debug version. +@return TRUE if no mutexes and rw-locks reserved */ UNIV_INTERN ibool sync_all_freed(void) /*================*/ - /* out: TRUE if no mutexes and rw-locks reserved */ { return(mutex_n_reserved() + rw_lock_n_locked() == 0); } /********************************************************************** -Gets the value in the nth slot in the thread level arrays. */ +Gets the value in the nth slot in the thread level arrays. +@return pointer to thread slot */ static sync_thread_t* sync_thread_level_arrays_get_nth( /*=============================*/ - /* out: pointer to thread slot */ - ulint n) /* in: slot number */ + ulint n) /*!< in: slot number */ { ut_ad(n < OS_THREAD_MAX_N); @@ -757,12 +757,12 @@ sync_thread_level_arrays_get_nth( } /********************************************************************** -Looks for the thread slot for the calling thread. */ +Looks for the thread slot for the calling thread. +@return pointer to thread slot, NULL if not found */ static sync_thread_t* sync_thread_level_arrays_find_slot(void) /*====================================*/ - /* out: pointer to thread slot, NULL if not found */ { sync_thread_t* slot; @@ -785,12 +785,12 @@ sync_thread_level_arrays_find_slot(void) } /********************************************************************** -Looks for an unused thread slot. */ +Looks for an unused thread slot. +@return pointer to thread slot */ static sync_thread_t* sync_thread_level_arrays_find_free(void) /*====================================*/ - /* out: pointer to thread slot */ { sync_thread_t* slot; @@ -810,15 +810,15 @@ sync_thread_level_arrays_find_free(void) } /********************************************************************** -Gets the value in the nth slot in the thread level array. */ +Gets the value in the nth slot in the thread level array. +@return pointer to level slot */ static sync_level_t* sync_thread_levels_get_nth( /*=======================*/ - /* out: pointer to level slot */ - sync_level_t* arr, /* in: pointer to level array for an OS + sync_level_t* arr, /*!< in: pointer to level array for an OS thread */ - ulint n) /* in: slot number */ + ulint n) /*!< in: slot number */ { ut_ad(n < SYNC_THREAD_N_LEVELS); @@ -827,15 +827,15 @@ sync_thread_levels_get_nth( /********************************************************************** Checks if all the level values stored in the level array are greater than -the given limit. */ +the given limit. +@return TRUE if all greater */ static ibool sync_thread_levels_g( /*=================*/ - /* out: TRUE if all greater */ - sync_level_t* arr, /* in: pointer to level array for an OS + sync_level_t* arr, /*!< in: pointer to level array for an OS thread */ - ulint limit) /* in: level limit */ + ulint limit) /*!< in: level limit */ { sync_level_t* slot; rw_lock_t* lock; @@ -897,15 +897,15 @@ sync_thread_levels_g( } /********************************************************************** -Checks if the level value is stored in the level array. */ +Checks if the level value is stored in the level array. +@return TRUE if stored */ static ibool sync_thread_levels_contain( /*=======================*/ - /* out: TRUE if stored */ - sync_level_t* arr, /* in: pointer to level array for an OS + sync_level_t* arr, /*!< in: pointer to level array for an OS thread */ - ulint level) /* in: level */ + ulint level) /*!< in: level */ { sync_level_t* slot; ulint i; @@ -926,14 +926,13 @@ sync_thread_levels_contain( } /********************************************************************** -Checks that the level array for the current thread is empty. */ +Checks that the level array for the current thread is empty. +@return TRUE if empty except the exceptions specified below */ UNIV_INTERN ibool sync_thread_levels_empty_gen( /*=========================*/ - /* out: TRUE if empty except the - exceptions specified below */ - ibool dict_mutex_allowed) /* in: TRUE if dictionary mutex is + ibool dict_mutex_allowed) /*!< in: TRUE if dictionary mutex is allowed to be owned by the thread, also purge_is_running mutex is allowed */ @@ -983,12 +982,12 @@ sync_thread_levels_empty_gen( } /********************************************************************** -Checks that the level array for the current thread is empty. */ +Checks that the level array for the current thread is empty. +@return TRUE if empty */ UNIV_INTERN ibool sync_thread_levels_empty(void) /*==========================*/ - /* out: TRUE if empty */ { return(sync_thread_levels_empty_gen(FALSE)); } @@ -1001,8 +1000,8 @@ UNIV_INTERN void sync_thread_add_level( /*==================*/ - void* latch, /* in: pointer to a mutex or an rw-lock */ - ulint level) /* in: level in the latching order; if + void* latch, /*!< in: pointer to a mutex or an rw-lock */ + ulint level) /*!< in: level in the latching order; if SYNC_LEVEL_VARYING, nothing is done */ { sync_level_t* array; @@ -1194,14 +1193,13 @@ sync_thread_add_level( } /********************************************************************** -Removes a latch from the thread level array if it is found there. */ +Removes a latch from the thread level array if it is found there. +@return TRUE if found from the array; it is an error if the latch is not found */ UNIV_INTERN ibool sync_thread_reset_level( /*====================*/ - /* out: TRUE if found from the array; it is an error - if the latch is not found */ - void* latch) /* in: pointer to a mutex or an rw-lock */ + void* latch) /*!< in: pointer to a mutex or an rw-lock */ { sync_level_t* array; sync_level_t* slot; @@ -1353,7 +1351,7 @@ UNIV_INTERN void sync_print_wait_info( /*=================*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { #ifdef UNIV_SYNC_DEBUG fprintf(file, "Mutex exits %llu, rws exits %llu, rwx exits %llu\n", @@ -1389,7 +1387,7 @@ UNIV_INTERN void sync_print( /*=======*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { #ifdef UNIV_SYNC_DEBUG mutex_list_print_info(file); diff --git a/thr/thr0loc.c b/thr/thr0loc.c index b9edac63597..96c56666f8c 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -68,13 +68,13 @@ struct thr_local_struct{ #define THR_LOCAL_MAGIC_N 1231234 /*********************************************************************** -Returns the local storage struct for a thread. */ +Returns the local storage struct for a thread. +@return local storage */ static thr_local_t* thr_local_get( /*==========*/ - /* out: local storage */ - os_thread_id_t id) /* in: thread id of the thread */ + os_thread_id_t id) /*!< in: thread id of the thread */ { thr_local_t* local; @@ -104,13 +104,13 @@ try_again: } /*********************************************************************** -Gets the slot number in the thread table of a thread. */ +Gets the slot number in the thread table of a thread. +@return slot number */ UNIV_INTERN ulint thr_local_get_slot_no( /*==================*/ - /* out: slot number */ - os_thread_id_t id) /* in: thread id of the thread */ + os_thread_id_t id) /*!< in: thread id of the thread */ { ulint slot_no; thr_local_t* local; @@ -132,8 +132,8 @@ UNIV_INTERN void thr_local_set_slot_no( /*==================*/ - os_thread_id_t id, /* in: thread id of the thread */ - ulint slot_no)/* in: slot number */ + os_thread_id_t id, /*!< in: thread id of the thread */ + ulint slot_no)/*!< in: slot number */ { thr_local_t* local; @@ -148,12 +148,12 @@ thr_local_set_slot_no( /*********************************************************************** Returns pointer to the 'in_ibuf' field within the current thread local -storage. */ +storage. +@return pointer to the in_ibuf field */ UNIV_INTERN ibool* thr_local_get_in_ibuf_field(void) /*=============================*/ - /* out: pointer to the in_ibuf field */ { thr_local_t* local; @@ -202,7 +202,7 @@ UNIV_INTERN void thr_local_free( /*===========*/ - os_thread_id_t id) /* in: thread id */ + os_thread_id_t id) /*!< in: thread id */ { thr_local_t* local; diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 512e38cc17e..b15f5763e13 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -172,13 +172,13 @@ UNIV_INTERN trx_i_s_cache_t* trx_i_s_cache = &trx_i_s_cache_static; /*********************************************************************** For a record lock that is in waiting state retrieves the only bit that -is set, for a table lock returns ULINT_UNDEFINED. */ +is set, for a table lock returns ULINT_UNDEFINED. +@return record number within the heap */ static ulint wait_lock_get_heap_no( /*==================*/ - /* out: record number within the heap */ - const lock_t* lock) /* in: lock */ + const lock_t* lock) /*!< in: lock */ { ulint ret; @@ -203,8 +203,8 @@ static void table_cache_init( /*=============*/ - i_s_table_cache_t* table_cache, /* out: table cache */ - size_t row_size) /* in: the size of a + i_s_table_cache_t* table_cache, /*!< out: table cache */ + size_t row_size) /*!< in: the size of a row */ { ulint i; @@ -225,15 +225,14 @@ table_cache_init( Returns an empty row from a table cache. The row is allocated if no more empty rows are available. The number of used rows is incremented. If the memory limit is hit then NULL is returned and nothing is -allocated. */ +allocated. +@return empty row, or NULL if out of memory */ static void* table_cache_create_empty_row( /*=========================*/ - /* out: empty row, or - NULL if out of memory */ - i_s_table_cache_t* table_cache, /* in/out: table cache */ - trx_i_s_cache_t* cache) /* in/out: cache to record + i_s_table_cache_t* table_cache, /*!< in/out: table cache */ + trx_i_s_cache_t* cache) /*!< in/out: cache to record how many bytes are allocated */ { @@ -367,23 +366,22 @@ table_cache_create_empty_row( /*********************************************************************** Fills i_s_trx_row_t object. -If memory can not be allocated then FALSE is returned. */ +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ static ibool fill_trx_row( /*=========*/ - /* out: FALSE if - allocation fails */ - i_s_trx_row_t* row, /* out: result object + i_s_trx_row_t* row, /*!< out: result object that's filled */ - const trx_t* trx, /* in: transaction to + const trx_t* trx, /*!< in: transaction to get data from */ - const i_s_locks_row_t* requested_lock_row,/* in: pointer to the + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the corresponding row in innodb_locks if trx is waiting or NULL if trx is not waiting */ - trx_i_s_cache_t* cache) /* in/out: cache into + trx_i_s_cache_t* cache) /*!< in/out: cache into which to copy volatile strings */ { @@ -454,18 +452,18 @@ fill_trx_row( /*********************************************************************** Format the nth field of "rec" and put it in "buf". The result is always '\0'-terminated. Returns the number of bytes that were written to "buf" -(including the terminating '\0'). */ +(including the terminating '\0'). +@return end of the result */ static ulint put_nth_field( /*==========*/ - /* out: end of the result */ - char* buf, /* out: buffer */ - ulint buf_size,/* in: buffer size in bytes */ - ulint n, /* in: number of field */ - const dict_index_t* index, /* in: index */ - const rec_t* rec, /* in: record */ - const ulint* offsets)/* in: record offsets, returned + char* buf, /*!< out: buffer */ + ulint buf_size,/*!< in: buffer size in bytes */ + ulint n, /*!< in: number of field */ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets)/*!< in: record offsets, returned by rec_get_offsets() */ { const byte* data; @@ -512,16 +510,16 @@ put_nth_field( /*********************************************************************** Fills the "lock_data" member of i_s_locks_row_t object. -If memory can not be allocated then FALSE is returned. */ +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ static ibool fill_lock_data( /*===========*/ - /* out: FALSE if allocation fails */ - const char** lock_data,/* out: "lock_data" to fill */ - const lock_t* lock, /* in: lock used to find the data */ - ulint heap_no,/* in: rec num used to find the data */ - trx_i_s_cache_t* cache) /* in/out: cache where to store + const char** lock_data,/*!< out: "lock_data" to fill */ + const lock_t* lock, /*!< in: lock used to find the data */ + ulint heap_no,/*!< in: rec num used to find the data */ + trx_i_s_cache_t* cache) /*!< in/out: cache where to store volatile data */ { mtr_t mtr; @@ -621,18 +619,18 @@ fill_lock_data( /*********************************************************************** Fills i_s_locks_row_t object. Returns its first argument. -If memory can not be allocated then FALSE is returned. */ +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ static ibool fill_locks_row( /*===========*/ - /* out: FALSE if allocation fails */ - i_s_locks_row_t* row, /* out: result object that's filled */ - const lock_t* lock, /* in: lock to get data from */ - ulint heap_no,/* in: lock's record number + i_s_locks_row_t* row, /*!< out: result object that's filled */ + const lock_t* lock, /*!< in: lock to get data from */ + ulint heap_no,/*!< in: lock's record number or ULINT_UNDEFINED if the lock is a table lock */ - trx_i_s_cache_t* cache) /* in/out: cache into which to copy + trx_i_s_cache_t* cache) /*!< in/out: cache into which to copy volatile strings */ { row->lock_trx_id = lock_get_trx_id(lock); @@ -694,19 +692,18 @@ fill_locks_row( } /*********************************************************************** -Fills i_s_lock_waits_row_t object. Returns its first argument. */ +Fills i_s_lock_waits_row_t object. Returns its first argument. +@return result object that's filled */ static i_s_lock_waits_row_t* fill_lock_waits_row( /*================*/ - /* out: result object + i_s_lock_waits_row_t* row, /*!< out: result object that's filled */ - i_s_lock_waits_row_t* row, /* out: result object - that's filled */ - const i_s_locks_row_t* requested_lock_row,/* in: pointer to the + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the relevant requested lock row in innodb_locks */ - const i_s_locks_row_t* blocking_lock_row)/* in: pointer to the + const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the relevant blocking lock row in innodb_locks */ { @@ -720,14 +717,14 @@ fill_lock_waits_row( Calculates a hash fold for a lock. For a record lock the fold is calculated from 4 elements, which uniquely identify a lock at a given point in time: transaction id, space id, page number, record number. -For a table lock the fold is table's id. */ +For a table lock the fold is table's id. +@return fold */ static ulint fold_lock( /*======*/ - /* out: fold */ - const lock_t* lock, /* in: lock object to fold */ - ulint heap_no)/* in: lock's record number + const lock_t* lock, /*!< in: lock object to fold */ + ulint heap_no)/*!< in: lock's record number or ULINT_UNDEFINED if the lock is a table lock */ { @@ -769,15 +766,15 @@ fold_lock( } /*********************************************************************** -Checks whether i_s_locks_row_t object represents a lock_t object. */ +Checks whether i_s_locks_row_t object represents a lock_t object. +@return TRUE if they match */ static ibool locks_row_eq_lock( /*==============*/ - /* out: TRUE if they match */ - const i_s_locks_row_t* row, /* in: innodb_locks row */ - const lock_t* lock, /* in: lock object */ - ulint heap_no)/* in: lock's record number + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + const lock_t* lock, /*!< in: lock object */ + ulint heap_no)/*!< in: lock's record number or ULINT_UNDEFINED if the lock is a table lock */ { @@ -812,15 +809,15 @@ locks_row_eq_lock( /*********************************************************************** Searches for a row in the innodb_locks cache that has a specified id. This happens in O(1) time since a hash table is used. Returns pointer to -the row or NULL if none is found. */ +the row or NULL if none is found. +@return row or NULL */ static i_s_locks_row_t* search_innodb_locks( /*================*/ - /* out: row or NULL */ - trx_i_s_cache_t* cache, /* in: cache */ - const lock_t* lock, /* in: lock to search for */ - ulint heap_no)/* in: lock's record number + trx_i_s_cache_t* cache, /*!< in: cache */ + const lock_t* lock, /*!< in: lock to search for */ + ulint heap_no)/*!< in: lock's record number or ULINT_UNDEFINED if the lock is a table lock */ { @@ -855,15 +852,15 @@ search_innodb_locks( Adds new element to the locks cache, enlarging it if necessary. Returns a pointer to the added row. If the row is already present then no row is added and a pointer to the existing row is returned. -If row can not be allocated then NULL is returned. */ +If row can not be allocated then NULL is returned. +@return row */ static i_s_locks_row_t* add_lock_to_cache( /*==============*/ - /* out: row */ - trx_i_s_cache_t* cache, /* in/out: cache */ - const lock_t* lock, /* in: the element to add */ - ulint heap_no)/* in: lock's record number + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const lock_t* lock, /*!< in: the element to add */ + ulint heap_no)/*!< in: lock's record number or ULINT_UNDEFINED if the lock is a table lock */ { @@ -920,18 +917,17 @@ add_lock_to_cache( /*********************************************************************** Adds new pair of locks to the lock waits cache. -If memory can not be allocated then FALSE is returned. */ +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ static ibool add_lock_wait_to_cache( /*===================*/ - /* out: FALSE if - allocation fails */ - trx_i_s_cache_t* cache, /* in/out: cache */ - const i_s_locks_row_t* requested_lock_row,/* in: pointer to the + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the relevant requested lock row in innodb_locks */ - const i_s_locks_row_t* blocking_lock_row)/* in: pointer to the + const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the relevant blocking lock row in innodb_locks */ { @@ -958,15 +954,15 @@ If the transaction is waiting, then the wait lock is added to innodb_locks and a pointer to the added row is returned in requested_lock_row, otherwise requested_lock_row is set to NULL. If rows can not be allocated then FALSE is returned and the value of -requested_lock_row is undefined. */ +requested_lock_row is undefined. +@return FALSE if allocation fails */ static ibool add_trx_relevant_locks_to_cache( /*============================*/ - /* out: FALSE if allocation fails */ - trx_i_s_cache_t* cache, /* in/out: cache */ - const trx_t* trx, /* in: transaction */ - i_s_locks_row_t** requested_lock_row)/* out: pointer to the + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const trx_t* trx, /*!< in: transaction */ + i_s_locks_row_t** requested_lock_row)/*!< out: pointer to the requested lock row, or NULL or undefined */ { @@ -1052,7 +1048,7 @@ static ibool can_cache_be_updated( /*=================*/ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { ullint now; @@ -1089,7 +1085,7 @@ static void trx_i_s_cache_clear( /*================*/ - trx_i_s_cache_t* cache) /* out: cache to clear */ + trx_i_s_cache_t* cache) /*!< out: cache to clear */ { cache->innodb_trx.rows_used = 0; cache->innodb_locks.rows_used = 0; @@ -1107,7 +1103,7 @@ static void fetch_data_into_cache( /*==================*/ - trx_i_s_cache_t* cache) /* in/out: cache */ + trx_i_s_cache_t* cache) /*!< in/out: cache */ { trx_t* trx; i_s_trx_row_t* trx_row; @@ -1158,13 +1154,13 @@ fetch_data_into_cache( /*********************************************************************** Update the transactions cache if it has not been read for some time. -Called from handler/i_s.cc. */ +Called from handler/i_s.cc. +@return 0 - fetched, 1 - not */ UNIV_INTERN int trx_i_s_possibly_fetch_data_into_cache( /*===================================*/ - /* out: 0 - fetched, 1 - not */ - trx_i_s_cache_t* cache) /* in/out: cache */ + trx_i_s_cache_t* cache) /*!< in/out: cache */ { if (!can_cache_be_updated(cache)) { @@ -1188,13 +1184,13 @@ trx_i_s_possibly_fetch_data_into_cache( /*********************************************************************** Returns TRUE if the data in the cache is truncated due to the memory -limit posed by TRX_I_S_MEM_LIMIT. */ +limit posed by TRX_I_S_MEM_LIMIT. +@return TRUE if truncated */ UNIV_INTERN ibool trx_i_s_cache_is_truncated( /*=======================*/ - /* out: TRUE if truncated */ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { return(cache->is_truncated); } @@ -1205,7 +1201,7 @@ UNIV_INTERN void trx_i_s_cache_init( /*===============*/ - trx_i_s_cache_t* cache) /* out: cache to init */ + trx_i_s_cache_t* cache) /*!< out: cache to init */ { /* The latching is done in the following order: acquire trx_i_s_cache_t::rw_lock, X @@ -1244,7 +1240,7 @@ UNIV_INTERN void trx_i_s_cache_start_read( /*=====================*/ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { rw_lock_s_lock(&cache->rw_lock); } @@ -1255,7 +1251,7 @@ UNIV_INTERN void trx_i_s_cache_end_read( /*===================*/ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { ullint now; @@ -1278,7 +1274,7 @@ UNIV_INTERN void trx_i_s_cache_start_write( /*======================*/ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { rw_lock_x_lock(&cache->rw_lock); } @@ -1289,7 +1285,7 @@ UNIV_INTERN void trx_i_s_cache_end_write( /*====================*/ - trx_i_s_cache_t* cache) /* in: cache */ + trx_i_s_cache_t* cache) /*!< in: cache */ { #ifdef UNIV_SYNC_DEBUG ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); @@ -1299,14 +1295,14 @@ trx_i_s_cache_end_write( } /*********************************************************************** -Selects a INFORMATION SCHEMA table cache from the whole cache. */ +Selects a INFORMATION SCHEMA table cache from the whole cache. +@return table cache */ static i_s_table_cache_t* cache_select_table( /*===============*/ - /* out: table cache */ - trx_i_s_cache_t* cache, /* in: whole cache */ - enum i_s_table table) /* in: which table */ + trx_i_s_cache_t* cache, /*!< in: whole cache */ + enum i_s_table table) /*!< in: which table */ { i_s_table_cache_t* table_cache; @@ -1334,14 +1330,14 @@ cache_select_table( /*********************************************************************** Retrieves the number of used rows in the cache for a given -INFORMATION SCHEMA table. */ +INFORMATION SCHEMA table. +@return number of rows */ UNIV_INTERN ulint trx_i_s_cache_get_rows_used( /*========================*/ - /* out: number of rows */ - trx_i_s_cache_t* cache, /* in: cache */ - enum i_s_table table) /* in: which table */ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table) /*!< in: which table */ { i_s_table_cache_t* table_cache; @@ -1352,15 +1348,15 @@ trx_i_s_cache_get_rows_used( /*********************************************************************** Retrieves the nth row (zero-based) in the cache for a given -INFORMATION SCHEMA table. */ +INFORMATION SCHEMA table. +@return row */ UNIV_INTERN void* trx_i_s_cache_get_nth_row( /*======================*/ - /* out: row */ - trx_i_s_cache_t* cache, /* in: cache */ - enum i_s_table table, /* in: which table */ - ulint n) /* in: row number */ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table, /*!< in: which table */ + ulint n) /*!< in: row number */ { i_s_table_cache_t* table_cache; ulint i; @@ -1393,15 +1389,15 @@ trx_i_s_cache_get_nth_row( Crafts a lock id string from a i_s_locks_row_t object. Returns its second argument. This function aborts if there is not enough space in lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you -want to be 100% sure that it will not abort. */ +want to be 100% sure that it will not abort. +@return resulting lock id */ UNIV_INTERN char* trx_i_s_create_lock_id( /*===================*/ - /* out: resulting lock id */ - const i_s_locks_row_t* row, /* in: innodb_locks row */ - char* lock_id,/* out: resulting lock_id */ - ulint lock_id_size)/* in: size of the lock id + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + char* lock_id,/*!< out: resulting lock_id */ + ulint lock_id_size)/*!< in: size of the lock id buffer */ { int res_len; diff --git a/trx/trx0purge.c b/trx/trx0purge.c index 87c45172b34..4d9319c56dc 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -51,16 +51,13 @@ UNIV_INTERN trx_undo_rec_t trx_purge_dummy_rec; /********************************************************************* Checks if trx_id is >= purge_view: then it is guaranteed that its update -undo log still exists in the system. */ +undo log still exists in the system. +@return TRUE if is sure that it is preserved, also if the function returns FALSE, it is possible that the undo log still exists in the system */ UNIV_INTERN ibool trx_purge_update_undo_must_exist( /*=============================*/ - /* out: TRUE if is sure that it is - preserved, also if the function - returns FALSE, it is possible that the - undo log still exists in the system */ - trx_id_t trx_id) /* in: transaction id */ + trx_id_t trx_id) /*!< in: transaction id */ { #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); @@ -77,14 +74,14 @@ trx_purge_update_undo_must_exist( /*=================== PURGE RECORD ARRAY =============================*/ /*********************************************************************** -Stores info of an undo log record during a purge. */ +Stores info of an undo log record during a purge. +@return pointer to the storage cell */ static trx_undo_inf_t* trx_purge_arr_store_info( /*=====================*/ - /* out: pointer to the storage cell */ - trx_id_t trx_no, /* in: transaction number */ - undo_no_t undo_no)/* in: undo number */ + trx_id_t trx_no, /*!< in: transaction number */ + undo_no_t undo_no)/*!< in: undo number */ { trx_undo_inf_t* cell; trx_undo_arr_t* arr; @@ -114,7 +111,7 @@ UNIV_INLINE void trx_purge_arr_remove_info( /*======================*/ - trx_undo_inf_t* cell) /* in: pointer to the storage cell */ + trx_undo_inf_t* cell) /*!< in: pointer to the storage cell */ { trx_undo_arr_t* arr; @@ -133,10 +130,10 @@ static void trx_purge_arr_get_biggest( /*======================*/ - trx_undo_arr_t* arr, /* in: purge array */ - trx_id_t* trx_no, /* out: transaction number: ut_dulint_zero + trx_undo_arr_t* arr, /*!< in: purge array */ + trx_id_t* trx_no, /*!< out: transaction number: ut_dulint_zero if array is empty */ - undo_no_t* undo_no)/* out: undo number */ + undo_no_t* undo_no)/*!< out: undo number */ { trx_undo_inf_t* cell; trx_id_t pair_trx_no; @@ -179,12 +176,12 @@ trx_purge_arr_get_biggest( /******************************************************************** Builds a purge 'query' graph. The actual purge is performed by executing -this query graph. */ +this query graph. +@return own: the query graph */ static que_t* trx_purge_graph_build(void) /*=======================*/ - /* out, own: the query graph */ { mem_heap_t* heap; que_fork_t* fork; @@ -257,10 +254,10 @@ UNIV_INTERN void trx_purge_add_update_undo_to_history( /*=================================*/ - trx_t* trx, /* in: transaction */ - page_t* undo_page, /* in: update undo log header page, + trx_t* trx, /*!< in: transaction */ + page_t* undo_page, /*!< in: update undo log header page, x-latched */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_undo_t* undo; trx_rseg_t* rseg; @@ -338,9 +335,9 @@ static void trx_purge_free_segment( /*===================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - fil_addr_t hdr_addr, /* in: the file address of log_hdr */ - ulint n_removed_logs) /* in: count of how many undo logs we + trx_rseg_t* rseg, /*!< in: rollback segment */ + fil_addr_t hdr_addr, /*!< in: the file address of log_hdr */ + ulint n_removed_logs) /*!< in: count of how many undo logs we will cut off from the end of the history list */ { @@ -443,10 +440,10 @@ static void trx_purge_truncate_rseg_history( /*============================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - trx_id_t limit_trx_no, /* in: remove update undo logs whose + trx_rseg_t* rseg, /*!< in: rollback segment */ + trx_id_t limit_trx_no, /*!< in: remove update undo logs whose trx number is < limit_trx_no */ - undo_no_t limit_undo_no) /* in: if transaction number is equal + undo_no_t limit_undo_no) /*!< in: if transaction number is equal to limit_trx_no, truncate undo records with undo number < limit_undo_no */ { @@ -586,12 +583,12 @@ trx_purge_truncate_history(void) /************************************************************************ Does a truncate if the purge array is empty. NOTE that when this function is -called, the caller must not have any latches on undo log pages! */ +called, the caller must not have any latches on undo log pages! +@return TRUE if array empty */ UNIV_INLINE ibool trx_purge_truncate_if_arr_empty(void) /*=================================*/ - /* out: TRUE if array empty */ { ut_ad(mutex_own(&(purge_sys->mutex))); @@ -612,7 +609,7 @@ static void trx_purge_rseg_get_next_history_log( /*================================*/ - trx_rseg_t* rseg) /* in: rollback segment */ + trx_rseg_t* rseg) /*!< in: rollback segment */ { page_t* undo_page; trx_ulogf_t* log_hdr; @@ -806,14 +803,13 @@ trx_purge_choose_next_log(void) } /*************************************************************************** -Gets the next record to purge and updates the info in the purge system. */ +Gets the next record to purge and updates the info in the purge system. +@return copy of an undo log record or pointer to the dummy undo log record */ static trx_undo_rec_t* trx_purge_get_next_rec( /*===================*/ - /* out: copy of an undo log record or - pointer to the dummy undo log record */ - mem_heap_t* heap) /* in: memory heap where copied */ + mem_heap_t* heap) /*!< in: memory heap where copied */ { trx_undo_rec_t* rec; trx_undo_rec_t* rec_copy; @@ -930,19 +926,16 @@ trx_purge_get_next_rec( /************************************************************************ Fetches the next undo log record from the history list to purge. It must be -released with the corresponding release function. */ +released with the corresponding release function. +@return copy of an undo log record or pointer to the dummy undo log record &trx_purge_dummy_rec, if the whole undo log can skipped in purge; NULL if none left */ UNIV_INTERN trx_undo_rec_t* trx_purge_fetch_next_rec( /*=====================*/ - /* out: copy of an undo log record or - pointer to the dummy undo log record - &trx_purge_dummy_rec, if the whole undo log - can skipped in purge; NULL if none left */ - roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ - trx_undo_inf_t** cell, /* out: storage cell for the record in the + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + trx_undo_inf_t** cell, /*!< out: storage cell for the record in the purge array */ - mem_heap_t* heap) /* in: memory heap where copied */ + mem_heap_t* heap) /*!< in: memory heap where copied */ { trx_undo_rec_t* undo_rec; @@ -1030,7 +1023,7 @@ UNIV_INTERN void trx_purge_rec_release( /*==================*/ - trx_undo_inf_t* cell) /* in: storage cell */ + trx_undo_inf_t* cell) /*!< in: storage cell */ { trx_undo_arr_t* arr; @@ -1044,13 +1037,12 @@ trx_purge_rec_release( } /*********************************************************************** -This function runs a purge batch. */ +This function runs a purge batch. +@return number of undo log pages handled in the batch */ UNIV_INTERN ulint trx_purge(void) /*===========*/ - /* out: number of undo log pages handled in - the batch */ { que_thr_t* thr; /* que_thr_t* thr2; */ diff --git a/trx/trx0rec.c b/trx/trx0rec.c index c4d27ef8ae5..984b56b12ca 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -51,10 +51,10 @@ UNIV_INLINE void trx_undof_page_add_undo_rec_log( /*============================*/ - page_t* undo_page, /* in: undo log page */ - ulint old_free, /* in: start offset of the inserted entry */ - ulint new_free, /* in: end offset of the entry */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo log page */ + ulint old_free, /*!< in: start offset of the inserted entry */ + ulint new_free, /*!< in: end offset of the entry */ + mtr_t* mtr) /*!< in: mtr */ { byte* log_ptr; const byte* log_end; @@ -86,15 +86,15 @@ trx_undof_page_add_undo_rec_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses a redo log record of adding an undo log record. */ +Parses a redo log record of adding an undo log record. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_add_undo_rec( /*========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page) /* in: page or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page) /*!< in: page or NULL */ { ulint len; byte* rec; @@ -134,14 +134,14 @@ trx_undo_parse_add_undo_rec( #ifndef UNIV_HOTBACKUP /************************************************************************** -Calculates the free space left for extending an undo log record. */ +Calculates the free space left for extending an undo log record. +@return bytes left */ UNIV_INLINE ulint trx_undo_left( /*==========*/ - /* out: bytes left */ - const page_t* page, /* in: undo log page */ - const byte* ptr) /* in: pointer to page */ + const page_t* page, /*!< in: undo log page */ + const byte* ptr) /*!< in: pointer to page */ { /* The '- 10' is a safety margin, in case we have some small calculation error below */ @@ -152,17 +152,16 @@ trx_undo_left( /************************************************************************** Set the next and previous pointers in the undo page for the undo record that was written to ptr. Update the first free value by the number of bytes -written for this undo record.*/ +written for this undo record. +@return offset of the inserted entry on the page if succeeded, 0 if fail */ static ulint trx_undo_page_set_next_prev_and_add( /*================================*/ - /* out: offset of the inserted entry - on the page if succeeded, 0 if fail */ - page_t* undo_page, /* in/out: undo log page */ - byte* ptr, /* in: ptr up to where data has been + page_t* undo_page, /*!< in/out: undo log page */ + byte* ptr, /*!< in: ptr up to where data has been written on this undo page. */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint first_free; /* offset within undo_page */ ulint end_of_rec; /* offset within undo_page */ @@ -203,19 +202,18 @@ trx_undo_page_set_next_prev_and_add( } /************************************************************************** -Reports in the undo log of an insert of a clustered index record. */ +Reports in the undo log of an insert of a clustered index record. +@return offset of the inserted entry on the page if succeed, 0 if fail */ static ulint trx_undo_page_report_insert( /*========================*/ - /* out: offset of the inserted entry - on the page if succeed, 0 if fail */ - page_t* undo_page, /* in: undo log page */ - trx_t* trx, /* in: transaction */ - dict_index_t* index, /* in: clustered index */ - const dtuple_t* clust_entry, /* in: index entry which will be + page_t* undo_page, /*!< in: undo log page */ + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: index entry which will be inserted to the clustered index */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint first_free; byte* ptr; @@ -276,22 +274,21 @@ trx_undo_page_report_insert( } /************************************************************************** -Reads from an undo log record the general parameters. */ +Reads from an undo log record the general parameters. +@return remaining part of undo log record after reading these values */ UNIV_INTERN byte* trx_undo_rec_get_pars( /*==================*/ - /* out: remaining part of undo log - record after reading these values */ - trx_undo_rec_t* undo_rec, /* in: undo log record */ - ulint* type, /* out: undo record type: + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + ulint* type, /*!< out: undo record type: TRX_UNDO_INSERT_REC, ... */ - ulint* cmpl_info, /* out: compiler info, relevant only + ulint* cmpl_info, /*!< out: compiler info, relevant only for update type records */ - ibool* updated_extern, /* out: TRUE if we updated an + ibool* updated_extern, /*!< out: TRUE if we updated an externally stored fild */ - undo_no_t* undo_no, /* out: undo log record number */ - dulint* table_id) /* out: table id */ + undo_no_t* undo_no, /*!< out: undo log record number */ + dulint* table_id) /*!< out: table id */ { byte* ptr; ulint type_cmpl; @@ -321,17 +318,16 @@ trx_undo_rec_get_pars( } /************************************************************************** -Reads from an undo log record a stored column value. */ +Reads from an undo log record a stored column value. +@return remaining part of undo log record after reading these values */ static byte* trx_undo_rec_get_col_val( /*=====================*/ - /* out: remaining part of undo log record after - reading these values */ - byte* ptr, /* in: pointer to remaining part of undo log record */ - byte** field, /* out: pointer to stored field */ - ulint* len, /* out: length of the field, or UNIV_SQL_NULL */ - ulint* orig_len)/* out: original length of the locally + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + byte** field, /*!< out: pointer to stored field */ + ulint* len, /*!< out: length of the field, or UNIV_SQL_NULL */ + ulint* orig_len)/*!< out: original length of the locally stored part of an externally stored column, or 0 */ { *len = mach_read_compressed(ptr); @@ -371,22 +367,21 @@ trx_undo_rec_get_col_val( } /*********************************************************************** -Builds a row reference from an undo log record. */ +Builds a row reference from an undo log record. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_get_row_ref( /*=====================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part of a copy of an undo log + byte* ptr, /*!< in: remaining part of a copy of an undo log record, at the start of the row reference; NOTE that this copy of the undo log record must be preserved as long as the row reference is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - dtuple_t** ref, /* out, own: row reference */ - mem_heap_t* heap) /* in: memory heap from which the memory + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** ref, /*!< out, own: row reference */ + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { ulint ref_len; @@ -418,16 +413,15 @@ trx_undo_rec_get_row_ref( } /*********************************************************************** -Skips a row reference from an undo log record. */ +Skips a row reference from an undo log record. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_skip_row_ref( /*======================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record, at the start of the row reference */ - dict_index_t* index) /* in: clustered index */ + dict_index_t* index) /*!< in: clustered index */ { ulint ref_len; ulint i; @@ -450,19 +444,19 @@ trx_undo_rec_skip_row_ref( /************************************************************************** Fetch a prefix of an externally stored column, for writing to the undo log -of an update or delete marking of a clustered index record. */ +of an update or delete marking of a clustered index record. +@return ext_buf */ static byte* trx_undo_page_fetch_ext( /*====================*/ - /* out: ext_buf */ - byte* ext_buf, /* in: a buffer of + byte* ext_buf, /*!< in: a buffer of REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE */ - ulint zip_size, /* compressed page size in bytes, + ulint zip_size, /*!< compressed page size in bytes, or 0 for uncompressed BLOB */ - const byte* field, /* in: an externally stored column */ - ulint* len) /* in: length of field; + const byte* field, /*!< in: an externally stored column */ + ulint* len) /*!< in: length of field; out: used length of ext_buf */ { /* Fetch the BLOB. */ @@ -479,24 +473,24 @@ trx_undo_page_fetch_ext( } /************************************************************************** -Writes to the undo log a prefix of an externally stored column. */ +Writes to the undo log a prefix of an externally stored column. +@return undo log position */ static byte* trx_undo_page_report_modify_ext( /*============================*/ - /* out: undo log position */ - byte* ptr, /* in: undo log position, + byte* ptr, /*!< in: undo log position, at least 15 bytes must be available */ - byte* ext_buf, /* in: a buffer of + byte* ext_buf, /*!< in: a buffer of REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE, or NULL when should not fetch a longer prefix */ - ulint zip_size, /* compressed page size in bytes, + ulint zip_size, /*!< compressed page size in bytes, or 0 for uncompressed BLOB */ - const byte** field, /* in/out: the locally stored part of + const byte** field, /*!< in/out: the locally stored part of the externally stored column */ - ulint* len) /* in/out: length of field, in bytes */ + ulint* len) /*!< in/out: length of field, in bytes */ { if (ext_buf) { /* If an ordering column is externally stored, we will @@ -521,27 +515,25 @@ trx_undo_page_report_modify_ext( /************************************************************************** Reports in the undo log of an update or delete marking of a clustered index -record. */ +record. +@return byte offset of the inserted undo log entry on the page if succeed, 0 if fail */ static ulint trx_undo_page_report_modify( /*========================*/ - /* out: byte offset of the inserted - undo log entry on the page if succeed, - 0 if fail */ - page_t* undo_page, /* in: undo log page */ - trx_t* trx, /* in: transaction */ - dict_index_t* index, /* in: clustered index where update or + page_t* undo_page, /*!< in: undo log page */ + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: clustered index where update or delete marking is done */ - const rec_t* rec, /* in: clustered index record which + const rec_t* rec, /*!< in: clustered index record which has NOT yet been modified */ - const ulint* offsets, /* in: rec_get_offsets(rec, index) */ - const upd_t* update, /* in: update vector which tells the + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector which tells the columns to be updated; in the case of a delete, this should be set to NULL */ - ulint cmpl_info, /* in: compiler info on secondary + ulint cmpl_info, /*!< in: compiler info on secondary index updates */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { dict_table_t* table; ulint first_free; @@ -830,19 +822,18 @@ trx_undo_page_report_modify( /************************************************************************** Reads from an undo log update record the system field values of the old -version. */ +version. +@return remaining part of undo log record after reading these values */ UNIV_INTERN byte* trx_undo_update_rec_get_sys_cols( /*=============================*/ - /* out: remaining part of undo log - record after reading these values */ - byte* ptr, /* in: remaining part of undo + byte* ptr, /*!< in: remaining part of undo log record after reading general parameters */ - trx_id_t* trx_id, /* out: trx id */ - roll_ptr_t* roll_ptr, /* out: roll ptr */ - ulint* info_bits) /* out: info bits state */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr, /*!< out: roll ptr */ + ulint* info_bits) /*!< out: info bits state */ { /* Read the state of the info bits */ *info_bits = mach_read_from_1(ptr); @@ -860,15 +851,14 @@ trx_undo_update_rec_get_sys_cols( } /************************************************************************** -Reads from an update undo log record the number of updated fields. */ +Reads from an update undo log record the number of updated fields. +@return remaining part of undo log record after reading this value */ UNIV_INLINE byte* trx_undo_update_rec_get_n_upd_fields( /*=================================*/ - /* out: remaining part of undo log record after - reading this value */ - byte* ptr, /* in: pointer to remaining part of undo log record */ - ulint* n) /* out: number of fields */ + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + ulint* n) /*!< out: number of fields */ { *n = mach_read_compressed(ptr); ptr += mach_get_compressed_size(*n); @@ -877,15 +867,14 @@ trx_undo_update_rec_get_n_upd_fields( } /************************************************************************** -Reads from an update undo log record a stored field number. */ +Reads from an update undo log record a stored field number. +@return remaining part of undo log record after reading this value */ UNIV_INLINE byte* trx_undo_update_rec_get_field_no( /*=============================*/ - /* out: remaining part of undo log record after - reading this value */ - byte* ptr, /* in: pointer to remaining part of undo log record */ - ulint* field_no)/* out: field number */ + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + ulint* field_no)/*!< out: field number */ { *field_no = mach_read_compressed(ptr); ptr += mach_get_compressed_size(*field_no); @@ -894,33 +883,31 @@ trx_undo_update_rec_get_field_no( } /*********************************************************************** -Builds an update vector based on a remaining part of an undo log record. */ +Builds an update vector based on a remaining part of an undo log record. +@return remaining part of the record, NULL if an error detected, which means that the record is corrupted */ UNIV_INTERN byte* trx_undo_update_rec_get_update( /*===========================*/ - /* out: remaining part of the record, - NULL if an error detected, which means that - the record is corrupted */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record, after reading the row reference NOTE that this copy of the undo log record must be preserved as long as the update vector is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - ulint type, /* in: TRX_UNDO_UPD_EXIST_REC, + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, TRX_UNDO_UPD_DEL_REC, or TRX_UNDO_DEL_MARK_REC; in the last case, only trx id and roll ptr fields are added to the update vector */ - trx_id_t trx_id, /* in: transaction id from this undo record */ - roll_ptr_t roll_ptr,/* in: roll pointer from this undo record */ - ulint info_bits,/* in: info bits from this undo record */ - trx_t* trx, /* in: transaction */ - mem_heap_t* heap, /* in: memory heap from which the memory + trx_id_t trx_id, /*!< in: transaction id from this undo record */ + roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ + ulint info_bits,/*!< in: info bits from this undo record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap from which the memory needed is allocated */ - upd_t** upd) /* out, own: update vector */ + upd_t** upd) /*!< out, own: update vector */ { upd_field_t* upd_field; upd_t* update; @@ -1017,26 +1004,25 @@ trx_undo_update_rec_get_update( /*********************************************************************** Builds a partial row from an update undo log record. It contains the -columns which occur as ordering in any index of the table. */ +columns which occur as ordering in any index of the table. +@return pointer to remaining part of undo record */ UNIV_INTERN byte* trx_undo_rec_get_partial_row( /*=========================*/ - /* out: pointer to remaining part of undo - record */ - byte* ptr, /* in: remaining part in update undo log + byte* ptr, /*!< in: remaining part in update undo log record of a suitable type, at the start of the stored index columns; NOTE that this copy of the undo log record must be preserved as long as the partial row is used, as we do NOT copy the data in the record! */ - dict_index_t* index, /* in: clustered index */ - dtuple_t** row, /* out, own: partial row */ - ibool ignore_prefix, /* in: flag to indicate if we + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** row, /*!< out, own: partial row */ + ibool ignore_prefix, /*!< in: flag to indicate if we expect blob prefixes in undo. Used only in the assertion. */ - mem_heap_t* heap) /* in: memory heap from which the memory + mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ { const byte* end_ptr; @@ -1103,8 +1089,8 @@ static void trx_undo_erase_page_end( /*====================*/ - page_t* undo_page, /* in: undo page whose end to erase */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo page whose end to erase */ + mtr_t* mtr) /*!< in: mtr */ { ulint first_free; @@ -1117,16 +1103,16 @@ trx_undo_erase_page_end( } /*************************************************************** -Parses a redo log record of erasing of an undo page end. */ +Parses a redo log record of erasing of an undo page end. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_erase_page_end( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ut_ad(ptr && end_ptr); @@ -1145,29 +1131,29 @@ trx_undo_parse_erase_page_end( Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the transaction and in consistent reads that must look to the history of this -transaction. */ +transaction. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint trx_undo_report_row_operation( /*==========================*/ - /* out: DB_SUCCESS or error code */ - ulint flags, /* in: if BTR_NO_UNDO_LOG_FLAG bit is + ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is set, does nothing */ - ulint op_type, /* in: TRX_UNDO_INSERT_OP or + ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or TRX_UNDO_MODIFY_OP */ - que_thr_t* thr, /* in: query thread */ - dict_index_t* index, /* in: clustered index */ - const dtuple_t* clust_entry, /* in: in the case of an insert, + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: in the case of an insert, index entry to insert into the clustered index, otherwise NULL */ - const upd_t* update, /* in: in the case of an update, + const upd_t* update, /*!< in: in the case of an update, the update vector, otherwise NULL */ - ulint cmpl_info, /* in: compiler info on secondary + ulint cmpl_info, /*!< in: compiler info on secondary index updates */ - const rec_t* rec, /* in: in case of an update or delete + const rec_t* rec, /*!< in: in case of an update or delete marking, the record in the clustered index, otherwise NULL */ - roll_ptr_t* roll_ptr) /* out: rollback pointer to the + roll_ptr_t* roll_ptr) /*!< out: rollback pointer to the inserted undo log record, ut_dulint_zero if BTR_NO_UNDO_LOG flag was specified */ @@ -1331,14 +1317,14 @@ trx_undo_report_row_operation( /********************************************************************** Copies an undo record to heap. This function can be called if we know that -the undo log record exists. */ +the undo log record exists. +@return own: copy of the record */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_undo_rec_low( /*======================*/ - /* out, own: copy of the record */ - roll_ptr_t roll_ptr, /* in: roll pointer to record */ - mem_heap_t* heap) /* in: memory heap where copied */ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ { trx_undo_rec_t* undo_rec; ulint rseg_id; @@ -1366,23 +1352,18 @@ trx_undo_get_undo_rec_low( } /********************************************************************** -Copies an undo record to heap. */ +Copies an undo record to heap. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been truncated and we cannot fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ UNIV_INTERN ulint trx_undo_get_undo_rec( /*==================*/ - /* out: DB_SUCCESS, or - DB_MISSING_HISTORY if the undo log - has been truncated and we cannot - fetch the old version; NOTE: the - caller must have latches on the - clustered index page and purge_view */ - roll_ptr_t roll_ptr, /* in: roll pointer to record */ - trx_id_t trx_id, /* in: id of the trx that generated + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + trx_id_t trx_id, /*!< in: id of the trx that generated the roll pointer: it points to an undo log of this transaction */ - trx_undo_rec_t** undo_rec, /* out, own: copy of the record */ - mem_heap_t* heap) /* in: memory heap where copied */ + trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ { #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); @@ -1405,26 +1386,23 @@ trx_undo_get_undo_rec( Build a previous version of a clustered index record. This function checks that the caller has a latch on the index page of the clustered index record and an s-latch on the purge_view. This guarantees that the stack of versions -is locked all the way down to the purge_view. */ +is locked all the way down to the purge_view. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is not >= purge_view, which means that it may have been removed, DB_ERROR if corrupted record */ UNIV_INTERN ulint trx_undo_prev_version_build( /*========================*/ - /* out: DB_SUCCESS, or DB_MISSING_HISTORY if - the previous version is not >= purge_view, - which means that it may have been removed, - DB_ERROR if corrupted record */ - const rec_t* index_rec,/* in: clustered index record in the + const rec_t* index_rec,/*!< in: clustered index record in the index tree */ mtr_t* index_mtr __attribute__((unused)), - /* in: mtr which contains the latch to + /*!< in: mtr which contains the latch to index_rec page and purge_view */ - const rec_t* rec, /* in: version of a clustered index record */ - dict_index_t* index, /* in: clustered index */ - ulint* offsets,/* in: rec_get_offsets(rec, index) */ - mem_heap_t* heap, /* in: memory heap from which the memory + const rec_t* rec, /*!< in: version of a clustered index record */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + mem_heap_t* heap, /*!< in: memory heap from which the memory needed is allocated */ - rec_t** old_vers)/* out, own: previous version, or NULL if + rec_t** old_vers)/*!< out, own: previous version, or NULL if rec is the first inserted version, or if history data has been deleted (an error), or if the purge COULD have removed the version diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 666ca431ee5..9de885a8e2d 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -57,15 +57,15 @@ static ib_int64_t trx_roll_max_undo_no; static ulint trx_roll_progress_printed_pct; /*********************************************************************** -Rollback a transaction used in MySQL. */ +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_general_rollback_for_mysql( /*===========================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - ibool partial,/* in: TRUE if partial rollback requested */ - trx_savept_t* savept) /* in: pointer to savepoint undo number, if + trx_t* trx, /*!< in: transaction handle */ + ibool partial,/*!< in: TRUE if partial rollback requested */ + trx_savept_t* savept) /*!< in: pointer to savepoint undo number, if partial rollback requested */ { mem_heap_t* heap; @@ -122,13 +122,13 @@ trx_general_rollback_for_mysql( } /*********************************************************************** -Rollback a transaction used in MySQL. */ +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_rollback_for_mysql( /*===================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { int err; @@ -151,13 +151,13 @@ trx_rollback_for_mysql( } /*********************************************************************** -Rollback the latest SQL statement for MySQL. */ +Rollback the latest SQL statement for MySQL. +@return error code or DB_SUCCESS */ UNIV_INTERN int trx_rollback_last_sql_stat_for_mysql( /*=================================*/ - /* out: error code or DB_SUCCESS */ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { int err; @@ -184,8 +184,8 @@ UNIV_INTERN void trx_roll_savepoint_free( /*=====================*/ - trx_t* trx, /* in: transaction handle */ - trx_named_savept_t* savep) /* in: savepoint to free */ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep) /*!< in: savepoint to free */ { ut_a(savep != NULL); ut_a(UT_LIST_GET_LEN(trx->trx_savepoints) > 0); @@ -202,8 +202,8 @@ UNIV_INTERN void trx_roll_savepoints_free( /*=====================*/ - trx_t* trx, /* in: transaction handle */ - trx_named_savept_t* savep) /* in: free all savepoints > this one; + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep) /*!< in: free all savepoints > this one; if this is NULL, free all savepoints of trx */ { @@ -230,18 +230,15 @@ savepoint are undone but InnoDB does NOT release the corresponding locks which are stored in memory. If a lock is 'implicit', that is, a new inserted row holds a lock where the lock information is carried by the trx id stored in the row, these locks are naturally released in the rollback. Savepoints which -were set after this savepoint are deleted. */ +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_rollback_to_savepoint_for_mysql( /*================================*/ - /* out: if no savepoint - of the name found then - DB_NO_SAVEPOINT, - otherwise DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name, /* in: savepoint name */ - ib_int64_t* mysql_binlog_cache_pos) /* out: the MySQL binlog cache + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t* mysql_binlog_cache_pos) /*!< out: the MySQL binlog cache position corresponding to this savepoint; MySQL needs this information to remove the @@ -298,15 +295,15 @@ trx_rollback_to_savepoint_for_mysql( Creates a named savepoint. If the transaction is not yet started, starts it. If there is already a savepoint of the same name, this call erases that old savepoint and replaces it with a new. Savepoints are deleted in a transaction -commit or rollback. */ +commit or rollback. +@return always DB_SUCCESS */ UNIV_INTERN ulint trx_savepoint_for_mysql( /*====================*/ - /* out: always DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name, /* in: savepoint name */ - ib_int64_t binlog_cache_pos) /* in: MySQL binlog cache + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t binlog_cache_pos) /*!< in: MySQL binlog cache position corresponding to this connection at the time of the savepoint */ @@ -354,17 +351,14 @@ trx_savepoint_for_mysql( /*********************************************************************** Releases only the named savepoint. Savepoints which were set after this -savepoint are left as is. */ +savepoint are left as is. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_release_savepoint_for_mysql( /*============================*/ - /* out: if no savepoint - of the name found then - DB_NO_SAVEPOINT, - otherwise DB_SUCCESS */ - trx_t* trx, /* in: transaction handle */ - const char* savepoint_name) /* in: savepoint name */ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name) /*!< in: savepoint name */ { trx_named_savept_t* savep; @@ -384,27 +378,25 @@ trx_release_savepoint_for_mysql( /*********************************************************************** Determines if this transaction is rolling back an incomplete transaction -in crash recovery. */ +in crash recovery. +@return TRUE if trx is an incomplete transaction that is being rolled back in crash recovery */ UNIV_INTERN ibool trx_is_recv( /*========*/ - /* out: TRUE if trx is an incomplete - transaction that is being rolled back - in crash recovery */ - const trx_t* trx) /* in: transaction */ + const trx_t* trx) /*!< in: transaction */ { return(trx == trx_roll_crash_recv_trx); } /*********************************************************************** -Returns a transaction savepoint taken at this point in time. */ +Returns a transaction savepoint taken at this point in time. +@return savepoint */ UNIV_INTERN trx_savept_t trx_savept_take( /*============*/ - /* out: savepoint */ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { trx_savept_t savept; @@ -419,7 +411,7 @@ static void trx_rollback_active( /*================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { mem_heap_t* heap; que_fork_t* fork; @@ -538,14 +530,14 @@ Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the transaction was not yet committed, then we roll it back. -Note: this is done in a background thread. */ +Note: this is done in a background thread. +@return a dummy parameter */ UNIV_INTERN os_thread_ret_t trx_rollback_or_clean_all_recovered( /*================================*/ - /* out: a dummy parameter */ void* arg __attribute__((unused))) - /* in: a dummy parameter required by + /*!< in: a dummy parameter required by os_thread_create */ { trx_t* trx; @@ -609,12 +601,12 @@ leave_function: } /*********************************************************************** -Creates an undo number array. */ +Creates an undo number array. +@return own: undo number array */ UNIV_INTERN trx_undo_arr_t* trx_undo_arr_create(void) /*=====================*/ - /* out, own: undo number array */ { trx_undo_arr_t* arr; mem_heap_t* heap; @@ -645,7 +637,7 @@ UNIV_INTERN void trx_undo_arr_free( /*==============*/ - trx_undo_arr_t* arr) /* in: undo number array */ + trx_undo_arr_t* arr) /*!< in: undo number array */ { ut_ad(arr->n_used == 0); @@ -653,15 +645,14 @@ trx_undo_arr_free( } /*********************************************************************** -Stores info of an undo log record to the array if it is not stored yet. */ +Stores info of an undo log record to the array if it is not stored yet. +@return FALSE if the record already existed in the array */ static ibool trx_undo_arr_store_info( /*====================*/ - /* out: FALSE if the record already - existed in the array */ - trx_t* trx, /* in: transaction */ - undo_no_t undo_no)/* in: undo number */ + trx_t* trx, /*!< in: transaction */ + undo_no_t undo_no)/*!< in: undo number */ { trx_undo_inf_t* cell; trx_undo_inf_t* stored_here; @@ -720,8 +711,8 @@ static void trx_undo_arr_remove_info( /*=====================*/ - trx_undo_arr_t* arr, /* in: undo number array */ - undo_no_t undo_no)/* in: undo number */ + trx_undo_arr_t* arr, /*!< in: undo number array */ + undo_no_t undo_no)/*!< in: undo number */ { trx_undo_inf_t* cell; ulint n_used; @@ -749,14 +740,13 @@ trx_undo_arr_remove_info( } /*********************************************************************** -Gets the biggest undo number in an array. */ +Gets the biggest undo number in an array. +@return biggest value, ut_dulint_zero if the array is empty */ static undo_no_t trx_undo_arr_get_biggest( /*=====================*/ - /* out: biggest value, ut_dulint_zero if - the array is empty */ - trx_undo_arr_t* arr) /* in: undo number array */ + trx_undo_arr_t* arr) /*!< in: undo number array */ { trx_undo_inf_t* cell; ulint n_used; @@ -791,7 +781,7 @@ UNIV_INTERN void trx_roll_try_truncate( /*==================*/ - trx_t* trx) /* in/out: transaction */ + trx_t* trx) /*!< in/out: transaction */ { trx_undo_arr_t* arr; undo_no_t limit; @@ -826,15 +816,15 @@ trx_roll_try_truncate( /*************************************************************************** Pops the topmost undo log record in a single undo log and updates the info -about the topmost record in the undo log memory struct. */ +about the topmost record in the undo log memory struct. +@return undo log record, the page s-latched */ static trx_undo_rec_t* trx_roll_pop_top_rec( /*=================*/ - /* out: undo log record, the page s-latched */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log */ - mtr_t* mtr) /* in: mtr */ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log */ + mtr_t* mtr) /*!< in: mtr */ { page_t* undo_page; ulint offset; @@ -878,18 +868,16 @@ Pops the topmost record when the two undo logs of a transaction are seen as a single stack of records ordered by their undo numbers. Inserts the undo number of the popped undo record to the array of currently processed undo numbers in the transaction. When the query thread finishes processing -of this undo record, it must be released with trx_undo_rec_release. */ +of this undo record, it must be released with trx_undo_rec_release. +@return undo log record copied to heap, NULL if none left, or if the undo number of the top record would be less than the limit */ UNIV_INTERN trx_undo_rec_t* trx_roll_pop_top_rec_of_trx( /*========================*/ - /* out: undo log record copied to heap, NULL - if none left, or if the undo number of the - top record would be less than the limit */ - trx_t* trx, /* in: transaction */ - undo_no_t limit, /* in: least undo number we need */ - roll_ptr_t* roll_ptr,/* out: roll pointer to undo record */ - mem_heap_t* heap) /* in: memory heap where copied */ + trx_t* trx, /*!< in: transaction */ + undo_no_t limit, /*!< in: least undo number we need */ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ { trx_undo_t* undo; trx_undo_t* ins_undo; @@ -1009,14 +997,14 @@ try_again: /************************************************************************ Reserves an undo log record for a query thread to undo. This should be called if the query thread gets the undo log record not using the pop -function above. */ +function above. +@return TRUE if succeeded */ UNIV_INTERN ibool trx_undo_rec_reserve( /*=================*/ - /* out: TRUE if succeeded */ - trx_t* trx, /* in/out: transaction */ - undo_no_t undo_no)/* in: undo number of the record */ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no)/*!< in: undo number of the record */ { ibool ret; @@ -1035,8 +1023,8 @@ UNIV_INTERN void trx_undo_rec_release( /*=================*/ - trx_t* trx, /* in/out: transaction */ - undo_no_t undo_no)/* in: undo number */ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no)/*!< in: undo number */ { trx_undo_arr_t* arr; @@ -1055,9 +1043,9 @@ UNIV_INTERN void trx_rollback( /*=========*/ - trx_t* trx, /* in: transaction */ - trx_sig_t* sig, /* in: signal starting the rollback */ - que_thr_t** next_thr)/* in/out: next query thread to run; + trx_t* trx, /*!< in: transaction */ + trx_sig_t* sig, /*!< in: signal starting the rollback */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1124,13 +1112,13 @@ trx_rollback( Builds an undo 'query' graph for a transaction. The actual rollback is performed by executing this query graph like a query subprocedure call. The reply about the completion of the rollback will be sent by this -graph. */ +graph. +@return own: the query graph */ UNIV_INTERN que_t* trx_roll_graph_build( /*=================*/ - /* out, own: the query graph */ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { mem_heap_t* heap; que_fork_t* fork; @@ -1159,7 +1147,7 @@ static void trx_finish_error_processing( /*========================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { trx_sig_t* sig; trx_sig_t* next_sig; @@ -1188,8 +1176,8 @@ static void trx_finish_partial_rollback_off_kernel( /*===================================*/ - trx_t* trx, /* in: transaction */ - que_thr_t** next_thr)/* in/out: next query thread to run; + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running a new query thread; if this @@ -1216,9 +1204,9 @@ UNIV_INTERN void trx_finish_rollback_off_kernel( /*===========================*/ - que_t* graph, /* in: undo graph which can now be freed */ - trx_t* trx, /* in: transaction */ - que_thr_t** next_thr)/* in/out: next query thread to run; + que_t* graph, /*!< in: undo graph which can now be freed */ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1279,13 +1267,13 @@ trx_finish_rollback_off_kernel( } /************************************************************************* -Creates a rollback command node struct. */ +Creates a rollback command node struct. +@return own: rollback node struct */ UNIV_INTERN roll_node_t* roll_node_create( /*=============*/ - /* out, own: rollback node struct */ - mem_heap_t* heap) /* in: mem heap where created */ + mem_heap_t* heap) /*!< in: mem heap where created */ { roll_node_t* node; @@ -1299,13 +1287,13 @@ roll_node_create( } /*************************************************************** -Performs an execution step for a rollback command node in a query graph. */ +Performs an execution step for a rollback command node in a query graph. +@return query thread to run next, or NULL */ UNIV_INTERN que_thr_t* trx_rollback_step( /*==============*/ - /* out: query thread to run next, or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { roll_node_t* node; ulint sig_no; diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index db5efd65eb3..1605eb08414 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -34,13 +34,13 @@ Created 3/26/1996 Heikki Tuuri #include "trx0purge.h" /********************************************************************** -Looks for a rollback segment, based on the rollback segment id. */ +Looks for a rollback segment, based on the rollback segment id. +@return rollback segment */ UNIV_INTERN trx_rseg_t* trx_rseg_get_on_id( /*===============*/ - /* out: rollback segment */ - ulint id) /* in: rollback segment id */ + ulint id) /*!< in: rollback segment id */ { trx_rseg_t* rseg; @@ -57,19 +57,18 @@ trx_rseg_get_on_id( /******************************************************************** Creates a rollback segment header. This function is called only when -a new rollback segment is created in the database. */ +a new rollback segment is created in the database. +@return page number of the created segment, FIL_NULL if fail */ UNIV_INTERN ulint trx_rseg_header_create( /*===================*/ - /* out: page number of the created segment, - FIL_NULL if fail */ - ulint space, /* in: space id */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint max_size, /* in: max size in pages */ - ulint* slot_no, /* out: rseg id == slot number in trx sys */ - mtr_t* mtr) /* in: mtr */ + ulint max_size, /*!< in: max size in pages */ + ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + mtr_t* mtr) /*!< in: mtr */ { ulint page_no; trx_rsegf_t* rsegf; @@ -135,18 +134,18 @@ trx_rseg_header_create( Creates and initializes a rollback segment object. The values for the fields are read from the header. The object is inserted to the rseg list of the trx system object and a pointer is inserted in the rseg -array in the trx system object. */ +array in the trx system object. +@return own: rollback segment object */ static trx_rseg_t* trx_rseg_mem_create( /*================*/ - /* out, own: rollback segment object */ - ulint id, /* in: rollback segment id */ - ulint space, /* in: space where the segment placed */ - ulint zip_size, /* in: compressed page size in bytes + ulint id, /*!< in: rollback segment id */ + ulint space, /*!< in: space where the segment placed */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no, /* in: page number of the segment header */ - mtr_t* mtr) /* in: mtr */ + ulint page_no, /*!< in: page number of the segment header */ + mtr_t* mtr) /*!< in: mtr */ { trx_rsegf_t* rseg_header; trx_rseg_t* rseg; @@ -214,8 +213,8 @@ UNIV_INTERN void trx_rseg_list_and_array_init( /*=========================*/ - trx_sysf_t* sys_header, /* in: trx system header */ - mtr_t* mtr) /* in: mtr */ + trx_sysf_t* sys_header, /*!< in: trx system header */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; ulint page_no; @@ -245,17 +244,16 @@ trx_rseg_list_and_array_init( } /******************************************************************** -Creates a new rollback segment to the database. */ +Creates a new rollback segment to the database. +@return the created segment object, NULL if fail */ UNIV_INTERN trx_rseg_t* trx_rseg_create( /*============*/ - /* out: the created segment object, NULL if - fail */ - ulint space, /* in: space id */ - ulint max_size, /* in: max size in pages */ - ulint* id, /* out: rseg id */ - mtr_t* mtr) /* in: mtr */ + ulint space, /*!< in: space id */ + ulint max_size, /*!< in: max size in pages */ + ulint* id, /*!< out: rseg id */ + mtr_t* mtr) /*!< in: mtr */ { ulint flags; ulint zip_size; diff --git a/trx/trx0sys.c b/trx/trx0sys.c index dfa896df537..dc5eb654877 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -121,14 +121,13 @@ or create a table. */ static file_format_t file_format_max; /******************************************************************** -Determines if a page number is located inside the doublewrite buffer. */ +Determines if a page number is located inside the doublewrite buffer. +@return TRUE if the location is inside the two blocks of the doublewrite buffer */ UNIV_INTERN ibool trx_doublewrite_page_inside( /*========================*/ - /* out: TRUE if the location is inside - the two blocks of the doublewrite buffer */ - ulint page_no) /* in: page number */ + ulint page_no) /*!< in: page number */ { if (trx_doublewrite == NULL) { @@ -156,7 +155,7 @@ static void trx_doublewrite_init( /*=================*/ - byte* doublewrite) /* in: pointer to the doublewrite buf + byte* doublewrite) /*!< in: pointer to the doublewrite buf header on trx sys page */ { trx_doublewrite = mem_alloc(sizeof(trx_doublewrite_t)); @@ -403,7 +402,7 @@ UNIV_INTERN void trx_sys_doublewrite_init_or_restore_pages( /*======================================*/ - ibool restore_corrupt_pages) /* in: TRUE=restore pages */ + ibool restore_corrupt_pages) /*!< in: TRUE=restore pages */ { byte* buf; byte* read_buf; @@ -605,13 +604,13 @@ leave_func: } /******************************************************************** -Checks that trx is in the trx list. */ +Checks that trx is in the trx list. +@return TRUE if is in */ UNIV_INTERN ibool trx_in_trx_list( /*============*/ - /* out: TRUE if is in */ - trx_t* in_trx) /* in: trx */ + trx_t* in_trx) /*!< in: trx */ { trx_t* trx; @@ -662,11 +661,11 @@ UNIV_INTERN void trx_sys_update_mysql_binlog_offset( /*===============================*/ - const char* file_name,/* in: MySQL log file name */ - ib_int64_t offset, /* in: position in that log file */ - ulint field, /* in: offset of the MySQL log info field in + const char* file_name,/*!< in: MySQL log file name */ + ib_int64_t offset, /*!< in: position in that log file */ + ulint field, /*!< in: offset of the MySQL log info field in the trx sys header */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_sysf_t* sys_header; @@ -819,13 +818,13 @@ trx_sys_print_mysql_master_log_pos(void) } /******************************************************************** -Looks for a free slot for a rollback segment in the trx system file copy. */ +Looks for a free slot for a rollback segment in the trx system file copy. +@return slot index or ULINT_UNDEFINED if not found */ UNIV_INTERN ulint trx_sysf_rseg_find_free( /*====================*/ - /* out: slot index or ULINT_UNDEFINED if not found */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_sysf_t* sys_header; ulint page_no; @@ -855,7 +854,7 @@ static void trx_sysf_create( /*============*/ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_sysf_t* sys_header; ulint slot_no; @@ -1032,14 +1031,14 @@ trx_sys_create(void) } /********************************************************************* -Update the file format tag. */ +Update the file format tag. +@return always TRUE */ static ibool trx_sys_file_format_max_write( /*==========================*/ - /* out: always TRUE */ - ulint format_id, /* in: file format id */ - const char** name) /* out: max file format name, can + ulint format_id, /*!< in: file format id */ + const char** name) /*!< out: max file format name, can be NULL */ { mtr_t mtr; @@ -1074,13 +1073,12 @@ trx_sys_file_format_max_write( } /********************************************************************* -Read the file format tag. */ +Read the file format tag. +@return the file format or ULINT_UNDEFINED if not set. */ static ulint trx_sys_file_format_max_read(void) /*==============================*/ - /* out: the file format or - ULINT_UNDEFINED if not set. */ { mtr_t mtr; const byte* ptr; @@ -1113,13 +1111,13 @@ trx_sys_file_format_max_read(void) } /********************************************************************* -Get the name representation of the file format from its id. */ +Get the name representation of the file format from its id. +@return pointer to the name */ UNIV_INTERN const char* trx_sys_file_format_id_to_name( /*===========================*/ - /* out: pointer to the name */ - const ulint id) /* in: id of the file format */ + const ulint id) /*!< in: id of the file format */ { ut_a(id < FILE_FORMAT_NAME_N); @@ -1128,13 +1126,13 @@ trx_sys_file_format_id_to_name( /********************************************************************* Check for the max file format tag stored on disk. Note: If max_format_id -is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. */ +is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. +@return DB_SUCCESS or error code */ UNIV_INTERN ulint trx_sys_file_format_max_check( /*==========================*/ - /* out: DB_SUCCESS or error code */ - ulint max_format_id) /* in: max format id to check */ + ulint max_format_id) /*!< in: max format id to check */ { ulint format_id; @@ -1182,14 +1180,14 @@ trx_sys_file_format_max_check( /********************************************************************* Set the file format id unconditionally except if it's already the -same value. */ +same value. +@return TRUE if value updated */ UNIV_INTERN ibool trx_sys_file_format_max_set( /*========================*/ - /* out: TRUE if value updated */ - ulint format_id, /* in: file format id */ - const char** name) /* out: max file format name or + ulint format_id, /*!< in: file format id */ + const char** name) /*!< out: max file format name or NULL if not needed. */ { ibool ret = FALSE; @@ -1231,15 +1229,14 @@ trx_sys_file_format_tag_init(void) /************************************************************************ Update the file format tag in the system tablespace only if the given -format id is greater than the known max id. */ +format id is greater than the known max id. +@return TRUE if format_id was bigger than the known max id */ UNIV_INTERN ibool trx_sys_file_format_max_upgrade( /*============================*/ - /* out: TRUE if format_id was - bigger than the known max id */ - const char** name, /* out: max file format name */ - ulint format_id) /* in: file format identifier */ + const char** name, /*!< out: max file format name */ + ulint format_id) /*!< in: file format identifier */ { ibool ret = FALSE; @@ -1260,12 +1257,12 @@ trx_sys_file_format_max_upgrade( } /********************************************************************* -Get the name representation of the file format from its id. */ +Get the name representation of the file format from its id. +@return pointer to the max format name */ UNIV_INTERN const char* trx_sys_file_format_max_get(void) /*=============================*/ - /* out: pointer to the max format name */ { return(file_format_max.name); } @@ -1304,7 +1301,7 @@ UNIV_INTERN void trx_sys_print_mysql_binlog_offset_from_page( /*========================================*/ - const byte* page) /* in: buffer containing the trx + const byte* page) /*!< in: buffer containing the trx system header page, i.e., page number TRX_SYS_PAGE_NO in the tablespace */ { diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 965c2f24cbc..0e922164712 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -56,8 +56,8 @@ UNIV_INTERN void trx_set_detailed_error( /*===================*/ - trx_t* trx, /* in: transaction struct */ - const char* msg) /* in: detailed error message */ + trx_t* trx, /*!< in: transaction struct */ + const char* msg) /*!< in: detailed error message */ { ut_strlcpy(trx->detailed_error, msg, sizeof(trx->detailed_error)); } @@ -69,21 +69,21 @@ UNIV_INTERN void trx_set_detailed_error_from_file( /*=============================*/ - trx_t* trx, /* in: transaction struct */ - FILE* file) /* in: file to read message from */ + trx_t* trx, /*!< in: transaction struct */ + FILE* file) /*!< in: file to read message from */ { os_file_read_string(file, trx->detailed_error, sizeof(trx->detailed_error)); } /******************************************************************** -Creates and initializes a transaction object. */ +Creates and initializes a transaction object. +@return own: the transaction */ UNIV_INTERN trx_t* trx_create( /*=======*/ - /* out, own: the transaction */ - sess_t* sess) /* in: session */ + sess_t* sess) /*!< in: session */ { trx_t* trx; @@ -187,12 +187,12 @@ trx_create( } /************************************************************************ -Creates a transaction object for MySQL. */ +Creates a transaction object for MySQL. +@return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_mysql(void) /*========================*/ - /* out, own: transaction object */ { trx_t* trx; @@ -214,12 +214,12 @@ trx_allocate_for_mysql(void) } /************************************************************************ -Creates a transaction object for background operations by the master thread. */ +Creates a transaction object for background operations by the master thread. +@return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_background(void) /*=============================*/ - /* out, own: transaction object */ { trx_t* trx; @@ -238,7 +238,7 @@ UNIV_INTERN void trx_search_latch_release_if_reserved( /*=================================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { if (trx->has_search_latch) { rw_lock_s_unlock(&btr_search_latch); @@ -253,7 +253,7 @@ UNIV_INTERN void trx_free( /*=====*/ - trx_t* trx) /* in, own: trx object */ + trx_t* trx) /*!< in, own: trx object */ { ut_ad(mutex_own(&kernel_mutex)); @@ -339,7 +339,7 @@ UNIV_INTERN void trx_free_for_mysql( /*===============*/ - trx_t* trx) /* in, own: trx object */ + trx_t* trx) /*!< in, own: trx object */ { mutex_enter(&kernel_mutex); @@ -360,7 +360,7 @@ UNIV_INTERN void trx_free_for_background( /*====================*/ - trx_t* trx) /* in, own: trx object */ + trx_t* trx) /*!< in, own: trx object */ { mutex_enter(&kernel_mutex); @@ -378,7 +378,7 @@ static void trx_list_insert_ordered( /*====================*/ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { trx_t* trx2; @@ -599,12 +599,12 @@ trx_lists_init_at_db_start(void) /********************************************************************** Assigns a rollback segment to a transaction in a round-robin fashion. -Skips the SYSTEM rollback segment if another is available. */ +Skips the SYSTEM rollback segment if another is available. +@return assigned rollback segment id */ UNIV_INLINE ulint trx_assign_rseg(void) /*=================*/ - /* out: assigned rollback segment id */ { trx_rseg_t* rseg = trx_sys->latest_rseg; @@ -632,14 +632,14 @@ loop: } /******************************************************************** -Starts a new transaction. */ +Starts a new transaction. +@return TRUE */ UNIV_INTERN ibool trx_start_low( /*==========*/ - /* out: TRUE */ - trx_t* trx, /* in: transaction */ - ulint rseg_id)/* in: rollback segment id; if ULINT_UNDEFINED + trx_t* trx, /*!< in: transaction */ + ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ { @@ -683,14 +683,14 @@ trx_start_low( } /******************************************************************** -Starts a new transaction. */ +Starts a new transaction. +@return TRUE */ UNIV_INTERN ibool trx_start( /*======*/ - /* out: TRUE */ - trx_t* trx, /* in: transaction */ - ulint rseg_id)/* in: rollback segment id; if ULINT_UNDEFINED + trx_t* trx, /*!< in: transaction */ + ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ { @@ -719,7 +719,7 @@ UNIV_INTERN void trx_commit_off_kernel( /*==================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { page_t* update_hdr_page; ib_uint64_t lsn = 0; @@ -954,7 +954,7 @@ UNIV_INTERN void trx_cleanup_at_db_startup( /*======================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { if (trx->insert_undo != NULL) { @@ -972,13 +972,13 @@ trx_cleanup_at_db_startup( /************************************************************************ Assigns a read view for a consistent read query. All the consistent reads within the same transaction will get the same read view, which is created -when this function is first called for a new started transaction. */ +when this function is first called for a new started transaction. +@return consistent read view */ UNIV_INTERN read_view_t* trx_assign_read_view( /*=================*/ - /* out: consistent read view */ - trx_t* trx) /* in: active transaction */ + trx_t* trx) /*!< in: active transaction */ { ut_ad(trx->conc_state == TRX_ACTIVE); @@ -1005,8 +1005,8 @@ static void trx_handle_commit_sig_off_kernel( /*=============================*/ - trx_t* trx, /* in: transaction */ - que_thr_t** next_thr) /* in/out: next query thread to run; + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1051,7 +1051,7 @@ UNIV_INTERN void trx_end_lock_wait( /*==============*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { que_thr_t* thr; @@ -1078,7 +1078,7 @@ static void trx_lock_wait_to_suspended( /*=======================*/ - trx_t* trx) /* in: transaction in the TRX_QUE_LOCK_WAIT state */ + trx_t* trx) /*!< in: transaction in the TRX_QUE_LOCK_WAIT state */ { que_thr_t* thr; @@ -1105,7 +1105,7 @@ static void trx_sig_reply_wait_to_suspended( /*============================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { trx_sig_t* sig; que_thr_t* thr; @@ -1131,15 +1131,15 @@ trx_sig_reply_wait_to_suspended( /********************************************************************* Checks the compatibility of a new signal with the other signals in the -queue. */ +queue. +@return TRUE if the signal can be queued */ static ibool trx_sig_is_compatible( /*==================*/ - /* out: TRUE if the signal can be queued */ - trx_t* trx, /* in: trx handle */ - ulint type, /* in: signal type */ - ulint sender) /* in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender) /*!< in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ { trx_sig_t* sig; @@ -1209,16 +1209,16 @@ UNIV_INTERN void trx_sig_send( /*=========*/ - trx_t* trx, /* in: trx handle */ - ulint type, /* in: signal type */ - ulint sender, /* in: TRX_SIG_SELF or + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender, /*!< in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ - que_thr_t* receiver_thr, /* in: query thread which wants the + que_thr_t* receiver_thr, /*!< in: query thread which wants the reply, or NULL; if type is TRX_SIG_END_WAIT, this must be NULL */ - trx_savept_t* savept, /* in: possible rollback savepoint, or + trx_savept_t* savept, /*!< in: possible rollback savepoint, or NULL */ - que_thr_t** next_thr) /* in/out: next query thread to run; + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1296,7 +1296,7 @@ UNIV_INTERN void trx_end_signal_handling( /*====================*/ - trx_t* trx) /* in: trx */ + trx_t* trx) /*!< in: trx */ { ut_ad(mutex_own(&kernel_mutex)); ut_ad(trx->handling_signals == TRUE); @@ -1317,8 +1317,8 @@ UNIV_INTERN void trx_sig_start_handle( /*=================*/ - trx_t* trx, /* in: trx handle */ - que_thr_t** next_thr) /* in/out: next query thread to run; + trx_t* trx, /*!< in: trx handle */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1423,8 +1423,8 @@ UNIV_INTERN void trx_sig_reply( /*==========*/ - trx_sig_t* sig, /* in: signal */ - que_thr_t** next_thr) /* in/out: next query thread to run; + trx_sig_t* sig, /*!< in: signal */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; if the value which is passed in is a pointer to a NULL pointer, then the calling function can start running @@ -1457,8 +1457,8 @@ UNIV_INTERN void trx_sig_remove( /*===========*/ - trx_t* trx, /* in: trx handle */ - trx_sig_t* sig) /* in, own: signal */ + trx_t* trx, /*!< in: trx handle */ + trx_sig_t* sig) /*!< in, own: signal */ { ut_ad(trx && sig); ut_ad(mutex_own(&kernel_mutex)); @@ -1474,13 +1474,13 @@ trx_sig_remove( } /************************************************************************* -Creates a commit command node struct. */ +Creates a commit command node struct. +@return own: commit node struct */ UNIV_INTERN commit_node_t* commit_node_create( /*===============*/ - /* out, own: commit node struct */ - mem_heap_t* heap) /* in: mem heap where created */ + mem_heap_t* heap) /*!< in: mem heap where created */ { commit_node_t* node; @@ -1492,13 +1492,13 @@ commit_node_create( } /*************************************************************** -Performs an execution step for a commit type node in a query graph. */ +Performs an execution step for a commit type node in a query graph. +@return query thread to run next, or NULL */ UNIV_INTERN que_thr_t* trx_commit_step( /*============*/ - /* out: query thread to run next, or NULL */ - que_thr_t* thr) /* in: query thread */ + que_thr_t* thr) /*!< in: query thread */ { commit_node_t* node; que_thr_t* next_thr; @@ -1540,13 +1540,13 @@ trx_commit_step( } /************************************************************************** -Does the transaction commit for MySQL. */ +Does the transaction commit for MySQL. +@return DB_SUCCESS or error number */ UNIV_INTERN ulint trx_commit_for_mysql( /*=================*/ - /* out: DB_SUCCESS or error number */ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { /* Because we do not do the commit by sending an Innobase sig to the transaction, we must here make sure that trx has been @@ -1571,13 +1571,13 @@ trx_commit_for_mysql( /************************************************************************** If required, flushes the log to disk if we called trx_commit_for_mysql() -with trx->flush_log_later == TRUE. */ +with trx->flush_log_later == TRUE. +@return 0 or error number */ UNIV_INTERN ulint trx_commit_complete_for_mysql( /*==========================*/ - /* out: 0 or error number */ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { ib_uint64_t lsn = trx->commit_lsn; @@ -1622,7 +1622,7 @@ UNIV_INTERN void trx_mark_sql_stat_end( /*==================*/ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { ut_a(trx); @@ -1642,9 +1642,9 @@ UNIV_INTERN void trx_print( /*======*/ - FILE* f, /* in: output stream */ - trx_t* trx, /* in: transaction */ - ulint max_query_len) /* in: max query length to print, or 0 to + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ulint max_query_len) /*!< in: max query length to print, or 0 to use the default max length */ { ibool newline; @@ -1751,14 +1751,14 @@ trx_print( /*********************************************************************** Compares the "weight" (or size) of two transactions. Transactions that have edited non-transactional tables are considered heavier than ones -that have not. */ +that have not. +@return <0, 0 or >0; similar to strcmp(3) */ UNIV_INTERN int trx_weight_cmp( /*===========*/ - /* out: <0, 0 or >0; similar to strcmp(3) */ - const trx_t* a, /* in: the first transaction to be compared */ - const trx_t* b) /* in: the second transaction to be compared */ + const trx_t* a, /*!< in: the first transaction to be compared */ + const trx_t* b) /*!< in: the second transaction to be compared */ { ibool a_notrans_edit; ibool b_notrans_edit; @@ -1805,7 +1805,7 @@ UNIV_INTERN void trx_prepare_off_kernel( /*===================*/ - trx_t* trx) /* in: transaction */ + trx_t* trx) /*!< in: transaction */ { page_t* update_hdr_page; trx_rseg_t* rseg; @@ -1910,13 +1910,13 @@ trx_prepare_off_kernel( } /************************************************************************** -Does the transaction prepare for MySQL. */ +Does the transaction prepare for MySQL. +@return 0 or error number */ UNIV_INTERN ulint trx_prepare_for_mysql( /*==================*/ - /* out: 0 or error number */ - trx_t* trx) /* in: trx handle */ + trx_t* trx) /*!< in: trx handle */ { /* Because we do not do the prepare by sending an Innobase sig to the transaction, we must here make sure that trx has been @@ -1941,15 +1941,14 @@ trx_prepare_for_mysql( /************************************************************************** This function is used to find number of prepared transactions and -their transaction objects for a recovery. */ +their transaction objects for a recovery. +@return number of prepared transactions stored in xid_list */ UNIV_INTERN int trx_recover_for_mysql( /*==================*/ - /* out: number of prepared transactions - stored in xid_list */ - XID* xid_list, /* in/out: prepared transactions */ - ulint len) /* in: number of slots in xid_list */ + XID* xid_list, /*!< in/out: prepared transactions */ + ulint len) /*!< in: number of slots in xid_list */ { trx_t* trx; ulint count = 0; @@ -2013,13 +2012,13 @@ trx_recover_for_mysql( /*********************************************************************** This function is used to find one X/Open XA distributed transaction -which is in the prepared state */ +which is in the prepared state +@return trx or NULL */ UNIV_INTERN trx_t* trx_get_trx_by_xid( /*===============*/ - /* out: trx or NULL */ - XID* xid) /* in: X/Open XA transaction identification */ + XID* xid) /*!< in: X/Open XA transaction identification */ { trx_t* trx; diff --git a/trx/trx0undo.c b/trx/trx0undo.c index 62582cc02c0..e20ee446145 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -99,42 +99,41 @@ static void trx_undo_page_init( /*===============*/ - page_t* undo_page, /* in: undo log segment page */ - ulint type, /* in: undo log segment type */ - mtr_t* mtr); /* in: mtr */ + page_t* undo_page, /*!< in: undo log segment page */ + ulint type, /*!< in: undo log segment type */ + mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP /************************************************************************ -Creates and initializes an undo log memory object. */ +Creates and initializes an undo log memory object. +@return own: the undo log memory object */ static trx_undo_t* trx_undo_mem_create( /*================*/ - /* out, own: the undo log memory object */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - ulint id, /* in: slot index within rseg */ - ulint type, /* in: type of the log: TRX_UNDO_INSERT or + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - trx_id_t trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /*!< in: id of the trx for which the undo log is created */ - const XID* xid, /* in: X/Open XA transaction identification*/ - ulint page_no,/* in: undo log header page number */ - ulint offset);/* in: undo log header byte offset on page */ + const XID* xid, /*!< in: X/Open XA transaction identification*/ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header byte offset on page */ #endif /* !UNIV_HOTBACKUP */ /******************************************************************* Initializes a cached insert undo log header page for new use. NOTE that this function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change -the operation of this function! */ +the operation of this function! +@return undo log header byte offset on page */ static ulint trx_undo_insert_header_reuse( /*=========================*/ - /* out: undo log header byte - offset on page */ - page_t* undo_page, /* in/out: insert undo log segment + page_t* undo_page, /*!< in/out: insert undo log segment header page, x-latched */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr); /* in: mtr */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in: mtr */ /************************************************************************** If an update undo log can be discarded immediately, this function frees the space, resetting the page to the proper state for caching. */ @@ -142,22 +141,21 @@ static void trx_undo_discard_latest_update_undo( /*================================*/ - page_t* undo_page, /* in: header page of an undo log of size 1 */ - mtr_t* mtr); /* in: mtr */ + page_t* undo_page, /*!< in: header page of an undo log of size 1 */ + mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP /*************************************************************************** -Gets the previous record in an undo log from the previous page. */ +Gets the previous record in an undo log from the previous page. +@return undo log record, the page s-latched, NULL if none */ static trx_undo_rec_t* trx_undo_get_prev_rec_from_prev_page( /*=================================*/ - /* out: undo log record, the page s-latched, - NULL if none */ - trx_undo_rec_t* rec, /* in: undo record */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - mtr_t* mtr) /* in: mtr */ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ { ulint space; ulint zip_size; @@ -186,17 +184,16 @@ trx_undo_get_prev_rec_from_prev_page( } /*************************************************************************** -Gets the previous record in an undo log. */ +Gets the previous record in an undo log. +@return undo log record, the page s-latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_prev_rec( /*==================*/ - /* out: undo log record, the page s-latched, - NULL if none */ - trx_undo_rec_t* rec, /* in: undo record */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - mtr_t* mtr) /* in: mtr */ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ { trx_undo_rec_t* prev_rec; @@ -215,21 +212,20 @@ trx_undo_get_prev_rec( } /*************************************************************************** -Gets the next record in an undo log from the next page. */ +Gets the next record in an undo log from the next page. +@return undo log record, the page latched, NULL if none */ static trx_undo_rec_t* trx_undo_get_next_rec_from_next_page( /*=================================*/ - /* out: undo log record, the page latched, NULL if - none */ - ulint space, /* in: undo log header space */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - page_t* undo_page, /* in: undo log page */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - ulint mode, /* in: latch mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latch mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr */ { trx_ulogf_t* log_hdr; ulint next_page_no; @@ -268,17 +264,16 @@ trx_undo_get_next_rec_from_next_page( } /*************************************************************************** -Gets the next record in an undo log. */ +Gets the next record in an undo log. +@return undo log record, the page s-latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_next_rec( /*==================*/ - /* out: undo log record, the page s-latched, - NULL if none */ - trx_undo_rec_t* rec, /* in: undo record */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - mtr_t* mtr) /* in: mtr */ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ { ulint space; ulint zip_size; @@ -300,20 +295,19 @@ trx_undo_get_next_rec( } /*************************************************************************** -Gets the first record in an undo log. */ +Gets the first record in an undo log. +@return undo log record, the page latched, NULL if none */ UNIV_INTERN trx_undo_rec_t* trx_undo_get_first_rec( /*===================*/ - /* out: undo log record, the page latched, NULL if - none */ - ulint space, /* in: undo log header space */ - ulint zip_size,/* in: compressed page size in bytes + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint page_no,/* in: undo log header page number */ - ulint offset, /* in: undo log header offset on page */ - ulint mode, /* in: latching mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr) /* in: mtr */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr */ { page_t* undo_page; trx_undo_rec_t* rec; @@ -344,9 +338,9 @@ UNIV_INLINE void trx_undo_page_init_log( /*===================*/ - page_t* undo_page, /* in: undo log page */ - ulint type, /* in: undo log type */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo log page */ + ulint type, /*!< in: undo log type */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_INIT, mtr); @@ -357,16 +351,16 @@ trx_undo_page_init_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses the redo log entry of an undo log page initialization. */ +Parses the redo log entry of an undo log page initialization. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_page_init( /*=====================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ulint type; @@ -390,9 +384,9 @@ static void trx_undo_page_init( /*===============*/ - page_t* undo_page, /* in: undo log segment page */ - ulint type, /* in: undo log segment type */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo log segment page */ + ulint type, /*!< in: undo log segment type */ + mtr_t* mtr) /*!< in: mtr */ { trx_upagef_t* page_hdr; @@ -412,25 +406,22 @@ trx_undo_page_init( #ifndef UNIV_HOTBACKUP /******************************************************************* -Creates a new undo log segment in file. */ +Creates a new undo log segment in file. +@return DB_SUCCESS if page creation OK possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE */ static ulint trx_undo_seg_create( /*================*/ - /* out: DB_SUCCESS if page creation OK - possible error codes are: - DB_TOO_MANY_CONCURRENT_TRXS - DB_OUT_OF_FILE_SPACE */ - trx_rseg_t* rseg __attribute__((unused)),/* in: rollback segment */ - trx_rsegf_t* rseg_hdr,/* in: rollback segment header, page + trx_rseg_t* rseg __attribute__((unused)),/*!< in: rollback segment */ + trx_rsegf_t* rseg_hdr,/*!< in: rollback segment header, page x-latched */ - ulint type, /* in: type of the segment: TRX_UNDO_INSERT or + ulint type, /*!< in: type of the segment: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - ulint* id, /* out: slot index within rseg header */ + ulint* id, /*!< out: slot index within rseg header */ page_t** undo_page, - /* out: segment header page x-latched, NULL + /*!< out: segment header page x-latched, NULL if there was an error */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { ulint slot_no; ulint space; @@ -515,9 +506,9 @@ UNIV_INLINE void trx_undo_header_create_log( /*=======================*/ - const page_t* undo_page, /* in: undo log header page */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + const page_t* undo_page, /*!< in: undo log header page */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_CREATE, mtr); @@ -530,19 +521,19 @@ trx_undo_header_create_log( /******************************************************************* Creates a new undo log header in file. NOTE that this function has its own log record type MLOG_UNDO_HDR_CREATE. You must NOT change the operation of -this function! */ +this function! +@return header byte offset on page */ static ulint trx_undo_header_create( /*===================*/ - /* out: header byte offset on page */ - page_t* undo_page, /* in/out: undo log segment + page_t* undo_page, /*!< in/out: undo log segment header page, x-latched; it is assumed that there is TRX_UNDO_LOG_XA_HDR_SIZE bytes free space on it */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ { trx_upagef_t* page_hdr; trx_usegf_t* seg_hdr; @@ -607,9 +598,9 @@ static void trx_undo_write_xid( /*===============*/ - trx_ulogf_t* log_hdr,/* in: undo log header */ - const XID* xid, /* in: X/Open XA Transaction Identification */ - mtr_t* mtr) /* in: mtr */ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + const XID* xid, /*!< in: X/Open XA Transaction Identification */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_ulint(log_hdr + TRX_UNDO_XA_FORMAT, (ulint)xid->formatID, MLOG_4BYTES, mtr); @@ -630,8 +621,8 @@ static void trx_undo_read_xid( /*==============*/ - trx_ulogf_t* log_hdr,/* in: undo log header */ - XID* xid) /* out: X/Open XA Transaction Identification */ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + XID* xid) /*!< out: X/Open XA Transaction Identification */ { xid->formatID = (long)mach_read_from_4(log_hdr + TRX_UNDO_XA_FORMAT); @@ -649,9 +640,9 @@ static void trx_undo_header_add_space_for_xid( /*==============================*/ - page_t* undo_page,/* in: undo log segment header page */ - trx_ulogf_t* log_hdr,/* in: undo log header */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page,/*!< in: undo log segment header page */ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + mtr_t* mtr) /*!< in: mtr */ { trx_upagef_t* page_hdr; ulint free; @@ -687,9 +678,9 @@ UNIV_INLINE void trx_undo_insert_header_reuse_log( /*=============================*/ - const page_t* undo_page, /* in: undo log header page */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + const page_t* undo_page, /*!< in: undo log header page */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_REUSE, mtr); @@ -700,17 +691,17 @@ trx_undo_insert_header_reuse_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses the redo log entry of an undo log page header create or reuse. */ +Parses the redo log entry of an undo log page header create or reuse. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_page_header( /*=======================*/ - /* out: end of log record or NULL */ - ulint type, /* in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ - byte* ptr, /* in: buffer */ - byte* end_ptr,/* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { trx_id_t trx_id; @@ -736,17 +727,16 @@ trx_undo_parse_page_header( /******************************************************************* Initializes a cached insert undo log header page for new use. NOTE that this function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change -the operation of this function! */ +the operation of this function! +@return undo log header byte offset on page */ static ulint trx_undo_insert_header_reuse( /*=========================*/ - /* out: undo log header byte - offset on page */ - page_t* undo_page, /* in/out: insert undo log segment + page_t* undo_page, /*!< in/out: insert undo log segment header page, x-latched */ - trx_id_t trx_id, /* in: transaction id */ - mtr_t* mtr) /* in: mtr */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ { trx_upagef_t* page_hdr; trx_usegf_t* seg_hdr; @@ -801,8 +791,8 @@ UNIV_INLINE void trx_undo_discard_latest_log( /*========================*/ - page_t* undo_page, /* in: undo log header page */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: undo log header page */ + mtr_t* mtr) /*!< in: mtr */ { mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_DISCARD, mtr); } @@ -811,16 +801,16 @@ trx_undo_discard_latest_log( #endif /* !UNIV_HOTBACKUP */ /*************************************************************** -Parses the redo log entry of an undo log page header discard. */ +Parses the redo log entry of an undo log page header discard. +@return end of log record or NULL */ UNIV_INTERN byte* trx_undo_parse_discard_latest( /*==========================*/ - /* out: end of log record or NULL */ - byte* ptr, /* in: buffer */ - byte* end_ptr __attribute__((unused)), /* in: buffer end */ - page_t* page, /* in: page or NULL */ - mtr_t* mtr) /* in: mtr or NULL */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ { ut_ad(end_ptr); @@ -838,8 +828,8 @@ static void trx_undo_discard_latest_update_undo( /*================================*/ - page_t* undo_page, /* in: header page of an undo log of size 1 */ - mtr_t* mtr) /* in: mtr */ + page_t* undo_page, /*!< in: header page of an undo log of size 1 */ + mtr_t* mtr) /*!< in: mtr */ { trx_usegf_t* seg_hdr; trx_upagef_t* page_hdr; @@ -875,16 +865,15 @@ trx_undo_discard_latest_update_undo( #ifndef UNIV_HOTBACKUP /************************************************************************ -Tries to add a page to the undo log segment where the undo log is placed. */ +Tries to add a page to the undo log segment where the undo log is placed. +@return page number if success, else FIL_NULL */ UNIV_INTERN ulint trx_undo_add_page( /*==============*/ - /* out: page number if success, else - FIL_NULL */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory object */ - mtr_t* mtr) /* in: mtr which does not have a latch to any + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory object */ + mtr_t* mtr) /*!< in: mtr which does not have a latch to any undo log page; the caller must have reserved the rollback segment mutex */ { @@ -946,20 +935,20 @@ trx_undo_add_page( } /************************************************************************ -Frees an undo log page that is not the header page. */ +Frees an undo log page that is not the header page. +@return last page number in remaining log */ static ulint trx_undo_free_page( /*===============*/ - /* out: last page number in remaining log */ - trx_rseg_t* rseg, /* in: rollback segment */ - ibool in_history, /* in: TRUE if the undo log is in the history + trx_rseg_t* rseg, /*!< in: rollback segment */ + ibool in_history, /*!< in: TRUE if the undo log is in the history list */ - ulint space, /* in: space */ - ulint hdr_page_no, /* in: header page number */ - ulint page_no, /* in: page number to free: must not be the + ulint space, /*!< in: space */ + ulint hdr_page_no, /*!< in: header page number */ + ulint page_no, /*!< in: page number to free: must not be the header page */ - mtr_t* mtr) /* in: mtr which does not have a latch to any + mtr_t* mtr) /*!< in: mtr which does not have a latch to any undo log page; the caller must have reserved the rollback segment mutex */ { @@ -1011,11 +1000,11 @@ static void trx_undo_free_page_in_rollback( /*===========================*/ - trx_t* trx __attribute__((unused)), /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory copy */ - ulint page_no,/* in: page number to free: must not be the + trx_t* trx __attribute__((unused)), /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + ulint page_no,/*!< in: page number to free: must not be the header page */ - mtr_t* mtr) /* in: mtr which does not have a latch to any + mtr_t* mtr) /*!< in: mtr which does not have a latch to any undo log page; the caller must have reserved the rollback segment mutex */ { @@ -1038,12 +1027,12 @@ static void trx_undo_empty_header_page( /*=======================*/ - ulint space, /* in: space */ - ulint zip_size, /* in: compressed page size in bytes + ulint space, /*!< in: space */ + ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ - ulint hdr_page_no, /* in: header page number */ - ulint hdr_offset, /* in: header offset */ - mtr_t* mtr) /* in: mtr */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset */ + mtr_t* mtr) /*!< in: mtr */ { page_t* header_page; trx_ulogf_t* log_hdr; @@ -1065,9 +1054,9 @@ UNIV_INTERN void trx_undo_truncate_end( /*==================*/ - trx_t* trx, /* in: transaction whose undo log it is */ - trx_undo_t* undo, /* in: undo log */ - undo_no_t limit) /* in: all undo records with undo number + trx_t* trx, /*!< in: transaction whose undo log it is */ + trx_undo_t* undo, /*!< in: undo log */ + undo_no_t limit) /*!< in: all undo records with undo number >= this value should be truncated */ { page_t* undo_page; @@ -1140,11 +1129,11 @@ UNIV_INTERN void trx_undo_truncate_start( /*====================*/ - trx_rseg_t* rseg, /* in: rollback segment */ - ulint space, /* in: space id of the log */ - ulint hdr_page_no, /* in: header page number */ - ulint hdr_offset, /* in: header offset on the page */ - undo_no_t limit) /* in: all undo pages with + trx_rseg_t* rseg, /*!< in: rollback segment */ + ulint space, /*!< in: space id of the log */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset on the page */ + undo_no_t limit) /*!< in: all undo pages with undo numbers < this value should be truncated; NOTE that the function only frees whole @@ -1211,7 +1200,7 @@ static void trx_undo_seg_free( /*==============*/ - trx_undo_t* undo) /* in: undo log */ + trx_undo_t* undo) /*!< in: undo log */ { trx_rseg_t* rseg; fseg_header_t* file_seg; @@ -1257,16 +1246,16 @@ trx_undo_seg_free( /************************************************************************ Creates and initializes an undo log memory object according to the values in the header in file, when the database is started. The memory object is -inserted in the appropriate list of rseg. */ +inserted in the appropriate list of rseg. +@return own: the undo log memory object */ static trx_undo_t* trx_undo_mem_create_at_db_start( /*============================*/ - /* out, own: the undo log memory object */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - ulint id, /* in: slot index within rseg */ - ulint page_no,/* in: undo log segment page number */ - mtr_t* mtr) /* in: mtr */ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint page_no,/*!< in: undo log segment page number */ + mtr_t* mtr) /*!< in: mtr */ { page_t* undo_page; trx_upagef_t* page_header; @@ -1381,14 +1370,13 @@ add_to_list: /************************************************************************ Initializes the undo log lists for a rollback segment memory copy. This function is only called when the database is started or a new rollback -segment is created. */ +segment is created. +@return the combined size of undo log segments in pages */ UNIV_INTERN ulint trx_undo_lists_init( /*================*/ - /* out: the combined size of undo log segments - in pages */ - trx_rseg_t* rseg) /* in: rollback segment memory object */ + trx_rseg_t* rseg) /*!< in: rollback segment memory object */ { ulint page_no; trx_undo_t* undo; @@ -1438,21 +1426,21 @@ trx_undo_lists_init( } /************************************************************************ -Creates and initializes an undo log memory object. */ +Creates and initializes an undo log memory object. +@return own: the undo log memory object */ static trx_undo_t* trx_undo_mem_create( /*================*/ - /* out, own: the undo log memory object */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - ulint id, /* in: slot index within rseg */ - ulint type, /* in: type of the log: TRX_UNDO_INSERT or + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - trx_id_t trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /*!< in: id of the trx for which the undo log is created */ - const XID* xid, /* in: X/Open transaction identification */ - ulint page_no,/* in: undo log header page number */ - ulint offset) /* in: undo log header byte offset on page */ + const XID* xid, /*!< in: X/Open transaction identification */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header byte offset on page */ { trx_undo_t* undo; @@ -1502,11 +1490,11 @@ static void trx_undo_mem_init_for_reuse( /*========================*/ - trx_undo_t* undo, /* in: undo log to init */ - trx_id_t trx_id, /* in: id of the trx for which the undo log + trx_undo_t* undo, /*!< in: undo log to init */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log is created */ - const XID* xid, /* in: X/Open XA transaction identification*/ - ulint offset) /* in: undo log header byte offset on page */ + const XID* xid, /*!< in: X/Open XA transaction identification*/ + ulint offset) /*!< in: undo log header byte offset on page */ { ut_ad(mutex_own(&((undo->rseg)->mutex))); @@ -1535,7 +1523,7 @@ static void trx_undo_mem_free( /*==============*/ - trx_undo_t* undo) /* in: the undo object to be freed */ + trx_undo_t* undo) /*!< in: the undo object to be freed */ { if (undo->id >= TRX_RSEG_N_SLOTS) { fprintf(stderr, @@ -1547,27 +1535,22 @@ trx_undo_mem_free( } /************************************************************************** -Creates a new undo log. */ +Creates a new undo log. +@return DB_SUCCESS if successful in creating the new undo lob object, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ static ulint trx_undo_create( /*============*/ - /* out: DB_SUCCESS if successful in creating - the new undo lob object, possible error - codes are: - DB_TOO_MANY_CONCURRENT_TRXS - DB_OUT_OF_FILE_SPACE - DB_OUT_OF_MEMORY*/ - trx_t* trx, /* in: transaction */ - trx_rseg_t* rseg, /* in: rollback segment memory copy */ - ulint type, /* in: type of the log: TRX_UNDO_INSERT or + trx_t* trx, /*!< in: transaction */ + trx_rseg_t* rseg, /*!< in: rollback segment memory copy */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - trx_id_t trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /*!< in: id of the trx for which the undo log is created */ - const XID* xid, /* in: X/Open transaction identification*/ - trx_undo_t** undo, /* out: the new undo log object, undefined + const XID* xid, /*!< in: X/Open transaction identification*/ + trx_undo_t** undo, /*!< out: the new undo log object, undefined * if did not succeed */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_rsegf_t* rseg_header; ulint page_no; @@ -1621,21 +1604,20 @@ trx_undo_create( /*================ UNDO LOG ASSIGNMENT AND CLEANUP =====================*/ /************************************************************************ -Reuses a cached undo log. */ +Reuses a cached undo log. +@return the undo log memory object, NULL if none cached */ static trx_undo_t* trx_undo_reuse_cached( /*==================*/ - /* out: the undo log memory object, NULL if - none cached */ - trx_t* trx, /* in: transaction */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - ulint type, /* in: type of the log: TRX_UNDO_INSERT or + trx_t* trx, /*!< in: transaction */ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - trx_id_t trx_id, /* in: id of the trx for which the undo log + trx_id_t trx_id, /*!< in: id of the trx for which the undo log is used */ - const XID* xid, /* in: X/Open XA transaction identification */ - mtr_t* mtr) /* in: mtr */ + const XID* xid, /*!< in: X/Open XA transaction identification */ + mtr_t* mtr) /*!< in: mtr */ { trx_undo_t* undo; page_t* undo_page; @@ -1708,9 +1690,9 @@ static void trx_undo_mark_as_dict_operation( /*============================*/ - trx_t* trx, /* in: dict op transaction */ - trx_undo_t* undo, /* in: assigned undo log */ - mtr_t* mtr) /* in: mtr */ + trx_t* trx, /*!< in: dict op transaction */ + trx_undo_t* undo, /*!< in: assigned undo log */ + mtr_t* mtr) /*!< in: mtr */ { page_t* hdr_page; @@ -1741,17 +1723,14 @@ trx_undo_mark_as_dict_operation( /************************************************************************** Assigns an undo log for a transaction. A new undo log is created or a cached -undo log reused. */ +undo log reused. +@return DB_SUCCESS if undo log assign successful, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ UNIV_INTERN ulint trx_undo_assign_undo( /*=================*/ - /* out: DB_SUCCESS if undo log assign - successful, possible error codes are: - DB_TOO_MANY_CONCURRENT_TRXS - DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY*/ - trx_t* trx, /* in: transaction */ - ulint type) /* in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ + trx_t* trx, /*!< in: transaction */ + ulint type) /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ { trx_rseg_t* rseg; trx_undo_t* undo; @@ -1804,17 +1783,16 @@ func_exit: } /********************************************************************** -Sets the state of the undo log segment at a transaction finish. */ +Sets the state of the undo log segment at a transaction finish. +@return undo log segment header page, x-latched */ UNIV_INTERN page_t* trx_undo_set_state_at_finish( /*=========================*/ - /* out: undo log segment header page, - x-latched */ - trx_rseg_t* rseg, /* in: rollback segment memory object */ - trx_t* trx __attribute__((unused)), /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory copy */ - mtr_t* mtr) /* in: mtr */ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + trx_t* trx __attribute__((unused)), /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr) /*!< in: mtr */ { trx_usegf_t* seg_hdr; trx_upagef_t* page_hdr; @@ -1872,16 +1850,15 @@ trx_undo_set_state_at_finish( } /********************************************************************** -Sets the state of the undo log segment at a transaction prepare. */ +Sets the state of the undo log segment at a transaction prepare. +@return undo log segment header page, x-latched */ UNIV_INTERN page_t* trx_undo_set_state_at_prepare( /*==========================*/ - /* out: undo log segment header page, - x-latched */ - trx_t* trx, /* in: transaction */ - trx_undo_t* undo, /* in: undo log memory copy */ - mtr_t* mtr) /* in: mtr */ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr) /*!< in: mtr */ { trx_usegf_t* seg_hdr; trx_upagef_t* page_hdr; @@ -1931,10 +1908,10 @@ UNIV_INTERN void trx_undo_update_cleanup( /*====================*/ - trx_t* trx, /* in: trx owning the update undo log */ - page_t* undo_page, /* in: update undo log header page, + trx_t* trx, /*!< in: trx owning the update undo log */ + page_t* undo_page, /*!< in: update undo log header page, x-latched */ - mtr_t* mtr) /* in: mtr */ + mtr_t* mtr) /*!< in: mtr */ { trx_rseg_t* rseg; trx_undo_t* undo; @@ -1968,7 +1945,7 @@ UNIV_INTERN void trx_undo_insert_cleanup( /*====================*/ - trx_t* trx) /* in: transaction handle */ + trx_t* trx) /*!< in: transaction handle */ { trx_undo_t* undo; trx_rseg_t* rseg; diff --git a/usr/usr0sess.c b/usr/usr0sess.c index f45c43869ea..a7f5cf99d0e 100644 --- a/usr/usr0sess.c +++ b/usr/usr0sess.c @@ -36,15 +36,15 @@ static void sess_close( /*=======*/ - sess_t* sess); /* in, own: session object */ + sess_t* sess); /*!< in, own: session object */ /************************************************************************* -Opens a session. */ +Opens a session. +@return own: session object */ UNIV_INTERN sess_t* sess_open(void) /*===========*/ - /* out, own: session object */ { sess_t* sess; @@ -67,7 +67,7 @@ static void sess_close( /*=======*/ - sess_t* sess) /* in, own: session object */ + sess_t* sess) /*!< in, own: session object */ { ut_ad(mutex_own(&kernel_mutex)); ut_ad(sess->trx == NULL); @@ -77,13 +77,13 @@ sess_close( /************************************************************************* Closes a session, freeing the memory occupied by it, if it is in a state -where it should be closed. */ +where it should be closed. +@return TRUE if closed */ UNIV_INTERN ibool sess_try_close( /*===========*/ - /* out: TRUE if closed */ - sess_t* sess) /* in, own: session object */ + sess_t* sess) /*!< in, own: session object */ { ut_ad(mutex_own(&kernel_mutex)); diff --git a/ut/ut0byte.c b/ut/ut0byte.c index d80ba932c38..29183f30761 100644 --- a/ut/ut0byte.c +++ b/ut/ut0byte.c @@ -43,10 +43,10 @@ UNIV_INTERN void ut_dulint_sort( /*===========*/ - dulint* arr, /* in/out: array to be sorted */ - dulint* aux_arr,/* in/out: auxiliary array (same size as arr) */ - ulint low, /* in: low bound of sort interval, inclusive */ - ulint high) /* in: high bound of sort interval, noninclusive */ + dulint* arr, /*!< in/out: array to be sorted */ + dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ + ulint low, /*!< in: low bound of sort interval, inclusive */ + ulint high) /*!< in: high bound of sort interval, noninclusive */ { UT_SORT_FUNCTION_BODY(ut_dulint_sort, arr, aux_arr, low, high, ut_dulint_cmp); diff --git a/ut/ut0dbg.c b/ut/ut0dbg.c index 8fe9a9813f8..e2e94f21ab1 100644 --- a/ut/ut0dbg.c +++ b/ut/ut0dbg.c @@ -52,9 +52,9 @@ UNIV_INTERN void ut_dbg_assertion_failed( /*====================*/ - const char* expr, /* in: the failed assertion (optional) */ - const char* file, /* in: source file containing the assertion */ - ulint line) /* in: line number of the assertion */ + const char* expr, /*!< in: the failed assertion (optional) */ + const char* file, /*!< in: source file containing the assertion */ + ulint line) /*!< in: line number of the assertion */ { ut_print_timestamp(stderr); #ifdef UNIV_HOTBACKUP @@ -145,7 +145,7 @@ UNIV_INTERN void speedo_reset( /*=========*/ - speedo_t* speedo) /* out: speedo */ + speedo_t* speedo) /*!< out: speedo */ { gettimeofday(&speedo->tv, NULL); @@ -159,7 +159,7 @@ UNIV_INTERN void speedo_show( /*========*/ - const speedo_t* speedo) /* in: speedo */ + const speedo_t* speedo) /*!< in: speedo */ { struct rusage ru_now; struct timeval tv_now; diff --git a/ut/ut0list.c b/ut/ut0list.c index c6250edb6cd..47e48289360 100644 --- a/ut/ut0list.c +++ b/ut/ut0list.c @@ -22,12 +22,12 @@ Place, Suite 330, Boston, MA 02111-1307 USA #endif /******************************************************************** -Create a new list. */ +Create a new list. +@return list */ UNIV_INTERN ib_list_t* ib_list_create(void) /*=================*/ - /* out: list */ { ib_list_t* list = mem_alloc(sizeof(ib_list_t)); @@ -40,13 +40,13 @@ ib_list_create(void) /******************************************************************** Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for -lists created with this function. */ +lists created with this function. +@return list */ UNIV_INTERN ib_list_t* ib_list_create_heap( /*================*/ - /* out: list */ - mem_heap_t* heap) /* in: memory heap to use */ + mem_heap_t* heap) /*!< in: memory heap to use */ { ib_list_t* list = mem_heap_alloc(heap, sizeof(ib_list_t)); @@ -63,7 +63,7 @@ UNIV_INTERN void ib_list_free( /*=========*/ - ib_list_t* list) /* in: list */ + ib_list_t* list) /*!< in: list */ { ut_a(!list->is_heap_list); @@ -75,45 +75,45 @@ ib_list_free( } /******************************************************************** -Add the data to the start of the list. */ +Add the data to the start of the list. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_first( /*==============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - void* data, /* in: data */ - mem_heap_t* heap) /* in: memory heap to use */ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ { return(ib_list_add_after(list, ib_list_get_first(list), data, heap)); } /******************************************************************** -Add the data to the end of the list. */ +Add the data to the end of the list. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_last( /*=============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - void* data, /* in: data */ - mem_heap_t* heap) /* in: memory heap to use */ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ { return(ib_list_add_after(list, ib_list_get_last(list), data, heap)); } /******************************************************************** -Add the data after the indicated node. */ +Add the data after the indicated node. +@return new list node */ UNIV_INTERN ib_list_node_t* ib_list_add_after( /*==============*/ - /* out: new list node*/ - ib_list_t* list, /* in: list */ - ib_list_node_t* prev_node, /* in: node preceding new node (can + ib_list_t* list, /*!< in: list */ + ib_list_node_t* prev_node, /*!< in: node preceding new node (can be NULL) */ - void* data, /* in: data */ - mem_heap_t* heap) /* in: memory heap to use */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ { ib_list_node_t* node = mem_heap_alloc(heap, sizeof(ib_list_node_t)); @@ -162,8 +162,8 @@ UNIV_INTERN void ib_list_remove( /*===========*/ - ib_list_t* list, /* in: list */ - ib_list_node_t* node) /* in: node to remove */ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* node) /*!< in: node to remove */ { if (node->prev) { node->prev->next = node->next; diff --git a/ut/ut0mem.c b/ut/ut0mem.c index 73d8565fa68..1e24063aca6 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -78,17 +78,17 @@ ut_mem_init(void) /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined and set_to_zero is TRUE. */ +defined and set_to_zero is TRUE. +@return own: allocated memory */ UNIV_INTERN void* ut_malloc_low( /*==========*/ - /* out, own: allocated memory */ - ulint n, /* in: number of bytes to allocate */ - ibool set_to_zero, /* in: TRUE if allocated memory should be + ulint n, /*!< in: number of bytes to allocate */ + ibool set_to_zero, /*!< in: TRUE if allocated memory should be set to zero if UNIV_SET_MEM_TO_ZERO is defined */ - ibool assert_on_error)/* in: if TRUE, we crash mysqld if the + ibool assert_on_error)/*!< in: if TRUE, we crash mysqld if the memory cannot be allocated */ { #ifndef UNIV_HOTBACKUP @@ -225,13 +225,13 @@ retry: /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined. */ +defined. +@return own: allocated memory */ UNIV_INTERN void* ut_malloc( /*======*/ - /* out, own: allocated memory */ - ulint n) /* in: number of bytes to allocate */ + ulint n) /*!< in: number of bytes to allocate */ { #ifndef UNIV_HOTBACKUP return(ut_malloc_low(n, TRUE, TRUE)); @@ -244,13 +244,13 @@ ut_malloc( /************************************************************************** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to -stderr a message if fails. */ +stderr a message if fails. +@return TRUE if succeeded */ UNIV_INTERN ibool ut_test_malloc( /*===========*/ - /* out: TRUE if succeeded */ - ulint n) /* in: try to allocate this many bytes */ + ulint n) /*!< in: try to allocate this many bytes */ { void* ret; @@ -288,7 +288,7 @@ UNIV_INTERN void ut_free( /*====*/ - void* ptr) /* in, own: memory block */ + void* ptr) /*!< in, own: memory block */ { #ifndef UNIV_HOTBACKUP ut_mem_block_t* block; @@ -340,14 +340,14 @@ RETURN VALUE size was equal to 0, either NULL or a pointer suitable to be passed to free() is returned. If realloc() fails the original block is left untouched - it is not freed or - moved. */ + moved. +@return own: pointer to new mem block or NULL */ UNIV_INTERN void* ut_realloc( /*=======*/ - /* out, own: pointer to new mem block or NULL */ - void* ptr, /* in: pointer to old block or NULL */ - ulint size) /* in: desired size */ + void* ptr, /*!< in: pointer to old block or NULL */ + ulint size) /*!< in: desired size */ { ut_mem_block_t* block; ulint old_size; @@ -432,15 +432,15 @@ ut_free_all_mem(void) /************************************************************************** Copies up to size - 1 characters from the NUL-terminated string src to dst, NUL-terminating the result. Returns strlen(src), so truncation -occurred if the return value >= size. */ +occurred if the return value >= size. +@return strlen(src) */ UNIV_INTERN ulint ut_strlcpy( /*=======*/ - /* out: strlen(src) */ - char* dst, /* in: destination buffer */ - const char* src, /* in: source buffer */ - ulint size) /* in: size of destination buffer */ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size) /*!< in: size of destination buffer */ { ulint src_size = strlen(src); @@ -456,15 +456,15 @@ ut_strlcpy( /************************************************************************** Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last -(size - 1) bytes of src, not the first. */ +(size - 1) bytes of src, not the first. +@return strlen(src) */ UNIV_INTERN ulint ut_strlcpy_rev( /*===========*/ - /* out: strlen(src) */ - char* dst, /* in: destination buffer */ - const char* src, /* in: source buffer */ - ulint size) /* in: size of destination buffer */ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size) /*!< in: size of destination buffer */ { ulint src_size = strlen(src); @@ -480,15 +480,15 @@ ut_strlcpy_rev( /************************************************************************** Make a quoted copy of a NUL-terminated string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_memcpyq(). */ +See also ut_strlenq() and ut_memcpyq(). +@return pointer to end of dest */ UNIV_INTERN char* ut_strcpyq( /*=======*/ - /* out: pointer to end of dest */ - char* dest, /* in: output buffer */ - char q, /* in: the quote character */ - const char* src) /* in: null-terminated string */ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src) /*!< in: null-terminated string */ { while (*src) { if ((*dest++ = *src++) == q) { @@ -502,16 +502,16 @@ ut_strcpyq( /************************************************************************** Make a quoted copy of a fixed-length string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_strcpyq(). */ +See also ut_strlenq() and ut_strcpyq(). +@return pointer to end of dest */ UNIV_INTERN char* ut_memcpyq( /*=======*/ - /* out: pointer to end of dest */ - char* dest, /* in: output buffer */ - char q, /* in: the quote character */ - const char* src, /* in: string to be quoted */ - ulint len) /* in: length of src */ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src, /*!< in: string to be quoted */ + ulint len) /*!< in: length of src */ { const char* srcend = src + len; @@ -527,14 +527,14 @@ ut_memcpyq( #ifndef UNIV_HOTBACKUP /************************************************************************** Return the number of times s2 occurs in s1. Overlapping instances of s2 -are only counted once. */ +are only counted once. +@return the number of times s2 occurs in s1 */ UNIV_INTERN ulint ut_strcount( /*========*/ - /* out: the number of times s2 occurs in s1 */ - const char* s1, /* in: string to search in */ - const char* s2) /* in: string to search for */ + const char* s1, /*!< in: string to search in */ + const char* s2) /*!< in: string to search for */ { ulint count = 0; ulint len = strlen(s2); @@ -561,16 +561,15 @@ ut_strcount( /************************************************************************** Replace every occurrence of s1 in str with s2. Overlapping instances of s1 -are only replaced once. */ +are only replaced once. +@return own: modified string, must be freed with mem_free() */ UNIV_INTERN char* ut_strreplace( /*==========*/ - /* out, own: modified string, must be - freed with mem_free() */ - const char* str, /* in: string to operate on */ - const char* s1, /* in: string to replace */ - const char* s2) /* in: string to replace s1 with */ + const char* str, /*!< in: string to operate on */ + const char* s1, /*!< in: string to replace */ + const char* s2) /*!< in: string to replace s1 with */ { char* new_str; char* ptr; diff --git a/ut/ut0rbt.c b/ut/ut0rbt.c index 26cc58c61ee..3279307308f 100644 --- a/ut/ut0rbt.c +++ b/ut/ut0rbt.c @@ -25,7 +25,7 @@ red-black properties: to a leaf, red nodes must not be adjacent. However, any number of black nodes may appear in a sequence. -*/ + */ #if defined(IB_RBT_TESTING) #warning "Testing enabled!" @@ -40,9 +40,9 @@ static void rbt_print_subtree( /*==============*/ - const ib_rbt_t* tree, /* in: tree to traverse */ - const ib_rbt_node_t* node, /* in: node to print */ - ib_rbt_print_node print) /* in: print key function */ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + const ib_rbt_node_t* node, /*!< in: node to print */ + ib_rbt_print_node print) /*!< in: print key function */ { /* FIXME: Doesn't do anything yet */ if (node != tree->nil) { @@ -53,14 +53,13 @@ rbt_print_subtree( } /************************************************************************ -Verify that the keys are in order. */ +Verify that the keys are in order. +@return TRUE of OK. FALSE if not ordered */ static ibool rbt_check_ordering( /*===============*/ - /* out: TRUE of OK. - FALSE if not ordered */ - const ib_rbt_t* tree) /* in: tree to verfify */ + const ib_rbt_t* tree) /*!< in: tree to verfify */ { const ib_rbt_node_t* node; const ib_rbt_node_t* prev = NULL; @@ -80,15 +79,14 @@ rbt_check_ordering( /************************************************************************ Check that every path from the root to the leaves has the same count. -Count is expressed in the number of black nodes. */ +Count is expressed in the number of black nodes. +@return 0 on failure else black height of the subtree */ static ibool rbt_count_black_nodes( /*==================*/ - /* out: 0 on failure else - black height of the subtree */ - const ib_rbt_t* tree, /* in: tree to verify */ - const ib_rbt_node_t* node) /* in: start of sub-tree */ + const ib_rbt_t* tree, /*!< in: tree to verify */ + const ib_rbt_node_t* node) /*!< in: start of sub-tree */ { ulint result; @@ -134,8 +132,8 @@ static void rbt_rotate_left( /*============*/ - const ib_rbt_node_t* nil, /* in: nil node of the tree */ - ib_rbt_node_t* node) /* in: node to rotate */ + const ib_rbt_node_t* nil, /*!< in: nil node of the tree */ + ib_rbt_node_t* node) /*!< in: node to rotate */ { ib_rbt_node_t* right = node->right; @@ -170,8 +168,8 @@ static void rbt_rotate_right( /*=============*/ - const ib_rbt_node_t* nil, /* in: nil node of tree */ - ib_rbt_node_t* node) /* in: node to rotate */ + const ib_rbt_node_t* nil, /*!< in: nil node of tree */ + ib_rbt_node_t* node) /*!< in: node to rotate */ { ib_rbt_node_t* left = node->left; @@ -268,8 +266,8 @@ static void rbt_balance_tree( /*=============*/ - const ib_rbt_t* tree, /* in: tree to balance */ - ib_rbt_node_t* node) /* in: node that was inserted */ + const ib_rbt_t* tree, /*!< in: tree to balance */ + ib_rbt_node_t* node) /*!< in: node that was inserted */ { const ib_rbt_node_t* nil = tree->nil; ib_rbt_node_t* parent = node->parent; @@ -353,15 +351,14 @@ rbt_balance_tree( } /************************************************************************ -Find the given node's successor. */ +Find the given node's successor. +@return successor node or NULL if no successor */ static ib_rbt_node_t* rbt_find_successor( /*===============*/ - /* out: successor node - or NULL if no successor */ - const ib_rbt_t* tree, /* in: rb tree */ - const ib_rbt_node_t* current) /* in: this is declared const + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: this is declared const because it can be called via rbt_next() */ { @@ -394,15 +391,14 @@ rbt_find_successor( } /************************************************************************ -Find the given node's precedecessor. */ +Find the given node's precedecessor. +@return predecessor node or NULL if no predecesor */ static ib_rbt_node_t* rbt_find_predecessor( /*=================*/ - /* out: predecessor node or - NULL if no predecesor */ - const ib_rbt_t* tree, /* in: rb tree */ - const ib_rbt_node_t* current) /* in: this is declared const + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: this is declared const because it can be called via rbt_prev() */ { @@ -441,8 +437,8 @@ static void rbt_eject_node( /*===========*/ - ib_rbt_node_t* eject, /* in: node to eject */ - ib_rbt_node_t* node) /* in: node to replace with */ + ib_rbt_node_t* eject, /*!< in: node to eject */ + ib_rbt_node_t* node) /*!< in: node to replace with */ { /* Update the to be ejected node's parent's child pointers. */ if (eject->parent->left == eject) { @@ -464,8 +460,8 @@ static void rbt_replace_node( /*=============*/ - ib_rbt_node_t* replace, /* in: node to replace */ - ib_rbt_node_t* node) /* in: node to replace with */ + ib_rbt_node_t* replace, /*!< in: node to replace */ + ib_rbt_node_t* node) /*!< in: node to replace with */ { ib_rbt_color_t color = node->color; @@ -486,16 +482,14 @@ rbt_replace_node( } /************************************************************************ -Detach node from the tree replacing it with one of it's children. */ +Detach node from the tree replacing it with one of it's children. +@return the child node that now occupies the position of the detached node */ static ib_rbt_node_t* rbt_detach_node( /*============*/ - /* out: the child node that - now occupies the position of - the detached node */ - const ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_node_t* node) /* in: node to detach */ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_node_t* node) /*!< in: node to detach */ { ib_rbt_node_t* child; const ib_rbt_node_t* nil = tree->nil; @@ -531,17 +525,15 @@ rbt_detach_node( } /************************************************************************ -Rebalance the right sub-tree after deletion. */ +Rebalance the right sub-tree after deletion. +@return node to rebalance if more rebalancing required else NULL */ static ib_rbt_node_t* rbt_balance_right( /*==============*/ - /* out: node to rebalance if - more rebalancing required - else NULL */ - const ib_rbt_node_t* nil, /* in: rb tree nil node */ - ib_rbt_node_t* parent, /* in: parent node */ - ib_rbt_node_t* sibling) /* in: sibling node */ + const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ + ib_rbt_node_t* parent, /*!< in: parent node */ + ib_rbt_node_t* sibling) /*!< in: sibling node */ { ib_rbt_node_t* node = NULL; @@ -593,17 +585,15 @@ rbt_balance_right( } /************************************************************************ -Rebalance the left sub-tree after deletion. */ +Rebalance the left sub-tree after deletion. +@return node to rebalance if more rebalancing required else NULL */ static ib_rbt_node_t* rbt_balance_left( /*=============*/ - /* out: node to rebalance if - more rebalancing required - else NULL */ - const ib_rbt_node_t* nil, /* in: rb tree nil node */ - ib_rbt_node_t* parent, /* in: parent node */ - ib_rbt_node_t* sibling) /* in: sibling node */ + const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ + ib_rbt_node_t* parent, /*!< in: parent node */ + ib_rbt_node_t* sibling) /*!< in: sibling node */ { ib_rbt_node_t* node = NULL; @@ -660,8 +650,8 @@ static void rbt_remove_node_and_rebalance( /*==========================*/ - ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_node_t* node) /* in: node to remove */ + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_node_t* node) /*!< in: node to remove */ { /* Detach node and get the node that will be used as rebalance start. */ @@ -712,8 +702,8 @@ static void rbt_free_node( /*==========*/ - ib_rbt_node_t* node, /* in: node to free */ - ib_rbt_node_t* nil) /* in: rb tree nil node */ + ib_rbt_node_t* node, /*!< in: node to free */ + ib_rbt_node_t* nil) /*!< in: rb tree nil node */ { if (node != nil) { rbt_free_node(node->left, nil); @@ -729,7 +719,7 @@ UNIV_INTERN void rbt_free( /*=====*/ - ib_rbt_t* tree) /* in: rb tree to free */ + ib_rbt_t* tree) /*!< in: rb tree to free */ { rbt_free_node(tree->root, tree->nil); ut_free(tree->nil); @@ -737,14 +727,14 @@ rbt_free( } /************************************************************************ -Create an instance of a red black tree. */ +Create an instance of a red black tree. +@return an empty rb tree */ UNIV_INTERN ib_rbt_t* rbt_create( /*=======*/ - /* out: an empty rb tree */ - size_t sizeof_value, /* in: sizeof data item */ - ib_rbt_compare compare) /* in: fn to compare items */ + size_t sizeof_value, /*!< in: sizeof data item */ + ib_rbt_compare compare) /*!< in: fn to compare items */ { ib_rbt_t* tree; ib_rbt_node_t* node; @@ -775,15 +765,15 @@ rbt_create( } /************************************************************************ -Generic insert of a value in the rb tree. */ +Generic insert of a value in the rb tree. +@return inserted node */ UNIV_INTERN const ib_rbt_node_t* rbt_insert( /*=======*/ - /* out: inserted node */ - ib_rbt_t* tree, /* in: rb tree */ - const void* key, /* in: key for ordering */ - const void* value) /* in: value of key, this value + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key, /*!< in: key for ordering */ + const void* value) /*!< in: value of key, this value is copied to the node */ { ib_rbt_node_t* node; @@ -804,15 +794,15 @@ rbt_insert( } /************************************************************************ -Add a new node to the tree, useful for data that is pre-sorted. */ +Add a new node to the tree, useful for data that is pre-sorted. +@return appended node */ UNIV_INTERN const ib_rbt_node_t* rbt_add_node( /*=========*/ - /* out: appended node */ - ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: bounds */ - const void* value) /* in: this value is copied + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: bounds */ + const void* value) /*!< in: this value is copied to the node */ { ib_rbt_node_t* node; @@ -842,15 +832,14 @@ rbt_add_node( } /************************************************************************ -Find a matching node in the rb tree. */ +Find a matching node in the rb tree. +@return NULL if not found else the node where key was found */ UNIV_INTERN const ib_rbt_node_t* rbt_lookup( /*=======*/ - /* out: NULL if not found else - the node where key was found */ - const ib_rbt_t* tree, /* in: rb tree */ - const void* key) /* in: key to use for search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to use for search */ { const ib_rbt_node_t* current = ROOT(tree); @@ -871,15 +860,14 @@ rbt_lookup( } /************************************************************************ -Delete a node indentified by key. */ +Delete a node indentified by key. +@return TRUE if success FALSE if not found */ UNIV_INTERN ibool rbt_delete( /*=======*/ - /* out: TRUE if success - FALSE if not found */ - ib_rbt_t* tree, /* in: rb tree */ - const void* key) /* in: key to delete */ + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to delete */ { ibool deleted = FALSE; ib_rbt_node_t* node = (ib_rbt_node_t*) rbt_lookup(tree, key); @@ -896,15 +884,14 @@ rbt_delete( /************************************************************************ Remove a node from the rb tree, the node is not free'd, that is the -callers responsibility. */ +callers responsibility. +@return deleted node but without the const */ UNIV_INTERN ib_rbt_node_t* rbt_remove_node( /*============*/ - /* out: deleted node but - without the const */ - ib_rbt_t* tree, /* in: rb tree */ - const ib_rbt_node_t* const_node) /* in: node to delete, this + ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* const_node) /*!< in: node to delete, this is a fudge and declared const because the caller can access only const nodes */ @@ -920,16 +907,14 @@ rbt_remove_node( } /************************************************************************ -Find the node that has the lowest key that is >= key. */ +Find the node that has the lowest key that is >= key. +@return node satisfying the lower bound constraint or NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_lower_bound( /*============*/ - /* out: node satisfying the - lower bound constraint or - NULL */ - const ib_rbt_t* tree, /* in: rb tree */ - const void* key) /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to search */ { ib_rbt_node_t* lb_node = NULL; ib_rbt_node_t* current = ROOT(tree); @@ -956,16 +941,14 @@ rbt_lower_bound( } /************************************************************************ -Find the node that has the greatest key that is <= key. */ +Find the node that has the greatest key that is <= key. +@return node satisfying the upper bound constraint or NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_upper_bound( /*============*/ - /* out: node satisfying the - upper bound constraint or - NULL */ - const ib_rbt_t* tree, /* in: rb tree */ - const void* key) /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to search */ { ib_rbt_node_t* ub_node = NULL; ib_rbt_node_t* current = ROOT(tree); @@ -992,15 +975,15 @@ rbt_upper_bound( } /************************************************************************ -Find the node that has the greatest key that is <= key. */ +Find the node that has the greatest key that is <= key. +@return value of result */ UNIV_INTERN int rbt_search( /*=======*/ - /* out: value of result */ - const ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: search bounds */ - const void* key) /* in: key to search */ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key) /*!< in: key to search */ { ib_rbt_node_t* current = ROOT(tree); @@ -1027,16 +1010,16 @@ rbt_search( /************************************************************************ Find the node that has the greatest key that is <= key. But use the -supplied comparison function. */ +supplied comparison function. +@return value of result */ UNIV_INTERN int rbt_search_cmp( /*===========*/ - /* out: value of result */ - const ib_rbt_t* tree, /* in: rb tree */ - ib_rbt_bound_t* parent, /* in: search bounds */ - const void* key, /* in: key to search */ - ib_rbt_compare compare) /* in: fn to compare items */ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key, /*!< in: key to search */ + ib_rbt_compare compare) /*!< in: fn to compare items */ { ib_rbt_node_t* current = ROOT(tree); @@ -1082,14 +1065,13 @@ rbt_first( } /************************************************************************ -Return the right most node in the tree. */ +Return the right most node in the tree. +@return the rightmost node or NULL */ UNIV_INTERN const ib_rbt_node_t* rbt_last( /*=====*/ - /* out: the rightmost node - or NULL */ - const ib_rbt_t* tree) /* in: rb tree */ + const ib_rbt_t* tree) /*!< in: rb tree */ { ib_rbt_node_t* last = NULL; ib_rbt_node_t* current = ROOT(tree); @@ -1103,29 +1085,27 @@ rbt_last( } /************************************************************************ -Return the next node. */ +Return the next node. +@return node next from current */ UNIV_INTERN const ib_rbt_node_t* rbt_next( /*=====*/ - /* out: node next from - current */ - const ib_rbt_t* tree, /* in: rb tree */ - const ib_rbt_node_t* current) /* in: current node */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: current node */ { return(current ? rbt_find_successor(tree, current) : NULL); } /************************************************************************ -Return the previous node. */ +Return the previous node. +@return node prev from current */ UNIV_INTERN const ib_rbt_node_t* rbt_prev( /*=====*/ - /* out: node prev from - current */ - const ib_rbt_t* tree, /* in: rb tree */ - const ib_rbt_node_t* current) /* in: current node */ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: current node */ { return(current ? rbt_find_predecessor(tree, current) : NULL); } @@ -1136,7 +1116,7 @@ UNIV_INTERN void rbt_clear( /*======*/ - ib_rbt_t* tree) /* in: rb tree */ + ib_rbt_t* tree) /*!< in: rb tree */ { rbt_free_node(ROOT(tree), tree->nil); @@ -1145,14 +1125,14 @@ rbt_clear( } /************************************************************************ -Merge the node from dst into src. Return the number of nodes merged. */ +Merge the node from dst into src. Return the number of nodes merged. +@return no. of recs merged */ UNIV_INTERN ulint rbt_merge_uniq( /*===========*/ - /* out: no. of recs merged */ - ib_rbt_t* dst, /* in: dst rb tree */ - const ib_rbt_t* src) /* in: src rb tree */ + ib_rbt_t* dst, /*!< in: dst rb tree */ + const ib_rbt_t* src) /*!< in: src rb tree */ { ib_rbt_bound_t parent; ulint n_merged = 0; @@ -1176,14 +1156,14 @@ rbt_merge_uniq( /************************************************************************ Merge the node from dst into src. Return the number of nodes merged. Delete the nodes from src after copying node to dst. As a side effect -the duplicates will be left untouched in the src. */ +the duplicates will be left untouched in the src. +@return no. of recs merged */ UNIV_INTERN ulint rbt_merge_uniq_destructive( /*=======================*/ - /* out: no. of recs merged */ - ib_rbt_t* dst, /* in: dst rb tree */ - ib_rbt_t* src) /* in: src rb tree */ + ib_rbt_t* dst, /*!< in: dst rb tree */ + ib_rbt_t* src) /*!< in: src rb tree */ { ib_rbt_bound_t parent; ib_rbt_node_t* src_node; @@ -1223,13 +1203,13 @@ rbt_merge_uniq_destructive( /************************************************************************ Check that every path from the root to the leaves has the same count and -the tree nodes are in order. */ +the tree nodes are in order. +@return TRUE if OK FALSE otherwise */ UNIV_INTERN ibool rbt_validate( /*=========*/ - /* out: TRUE if OK FALSE otherwise */ - const ib_rbt_t* tree) /* in: RB tree to validate */ + const ib_rbt_t* tree) /*!< in: RB tree to validate */ { if (rbt_count_black_nodes(tree, ROOT(tree)) > 0) { return(rbt_check_ordering(tree)); @@ -1244,8 +1224,8 @@ UNIV_INTERN void rbt_print( /*======*/ - const ib_rbt_t* tree, /* in: tree to traverse */ - ib_rbt_print_node print) /* in: print function */ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + ib_rbt_print_node print) /*!< in: print function */ { rbt_print_subtree(tree, ROOT(tree), print); } diff --git a/ut/ut0rnd.c b/ut/ut0rnd.c index f5d6cb08b0f..c57923748d8 100644 --- a/ut/ut0rnd.c +++ b/ut/ut0rnd.c @@ -38,13 +38,13 @@ UNIV_INTERN ulint ut_rnd_ulint_counter = 65654363; /*************************************************************** Looks for a prime number slightly greater than the given argument. -The prime is chosen so that it is not near any power of 2. */ +The prime is chosen so that it is not near any power of 2. +@return prime */ UNIV_INTERN ulint ut_find_prime( /*==========*/ - /* out: prime */ - ulint n) /* in: positive number > 100 */ + ulint n) /*!< in: positive number > 100 */ { ulint pow2; ulint i; diff --git a/ut/ut0ut.c b/ut/ut0ut.c index ef5c06bea03..c474aa80019 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -49,14 +49,14 @@ http://support.microsoft.com/kb/167296/ */ /********************************************************************* -This is the Windows version of gettimeofday(2).*/ +This is the Windows version of gettimeofday(2). +@return 0 if all OK else -1 */ static int ut_gettimeofday( /*============*/ - /* out: 0 if all OK else -1 */ - struct timeval* tv, /* out: Values are relative to Unix epoch */ - void* tz) /* in: not used */ + struct timeval* tv, /*!< out: Values are relative to Unix epoch */ + void* tz) /*!< in: not used */ { FILETIME ft; ib_int64_t tm; @@ -92,13 +92,13 @@ ut_gettimeofday( /************************************************************ Gets the high 32 bits in a ulint. That is makes a shift >> 32, but since there seem to be compiler bugs in both gcc and Visual C++, -we do this by a special conversion. */ +we do this by a special conversion. +@return a >> 32 */ UNIV_INTERN ulint ut_get_high32( /*==========*/ - /* out: a >> 32 */ - ulint a) /* in: ulint */ + ulint a) /*!< in: ulint */ { ib_int64_t i; @@ -111,12 +111,12 @@ ut_get_high32( /************************************************************** Returns system time. We do not specify the format of the time returned: -the only way to manipulate it is to use the function ut_difftime. */ +the only way to manipulate it is to use the function ut_difftime. +@return system time */ UNIV_INTERN ib_time_t ut_time(void) /*=========*/ - /* out: system time */ { return(time(NULL)); } @@ -125,14 +125,14 @@ ut_time(void) Returns system time. Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the -error. */ +error. +@return 0 on success, -1 otherwise */ UNIV_INTERN int ut_usectime( /*========*/ - /* out: 0 on success, -1 otherwise */ - ulint* sec, /* out: seconds since the Epoch */ - ulint* ms) /* out: microseconds since the Epoch+*sec */ + ulint* sec, /*!< out: seconds since the Epoch */ + ulint* ms) /*!< out: microseconds since the Epoch+*sec */ { struct timeval tv; int ret; @@ -166,13 +166,13 @@ ut_usectime( /************************************************************** Returns the number of microseconds since epoch. Similar to time(3), the return value is also stored in *tloc, provided -that tloc is non-NULL. */ +that tloc is non-NULL. +@return us since epoch */ UNIV_INTERN ullint ut_time_us( /*=======*/ - /* out: us since epoch */ - ullint* tloc) /* out: us since epoch, if non-NULL */ + ullint* tloc) /*!< out: us since epoch, if non-NULL */ { struct timeval tv; ullint us; @@ -189,14 +189,14 @@ ut_time_us( } /************************************************************** -Returns the difference of two times in seconds. */ +Returns the difference of two times in seconds. +@return time2 - time1 expressed in seconds */ UNIV_INTERN double ut_difftime( /*========*/ - /* out: time2 - time1 expressed in seconds */ - ib_time_t time2, /* in: time */ - ib_time_t time1) /* in: time */ + ib_time_t time2, /*!< in: time */ + ib_time_t time1) /*!< in: time */ { return(difftime(time2, time1)); } @@ -207,7 +207,7 @@ UNIV_INTERN void ut_print_timestamp( /*===============*/ - FILE* file) /* in: file where to print */ + FILE* file) /*!< in: file where to print */ { #ifdef __WIN__ SYSTEMTIME cal_tm; @@ -250,7 +250,7 @@ UNIV_INTERN void ut_sprintf_timestamp( /*=================*/ - char* buf) /* in: buffer where to sprintf */ + char* buf) /*!< in: buffer where to sprintf */ { #ifdef __WIN__ SYSTEMTIME cal_tm; @@ -295,7 +295,7 @@ UNIV_INTERN void ut_sprintf_timestamp_without_extra_chars( /*=====================================*/ - char* buf) /* in: buffer where to sprintf */ + char* buf) /*!< in: buffer where to sprintf */ { #ifdef __WIN__ SYSTEMTIME cal_tm; @@ -338,9 +338,9 @@ UNIV_INTERN void ut_get_year_month_day( /*==================*/ - ulint* year, /* out: current year */ - ulint* month, /* out: month */ - ulint* day) /* out: day */ + ulint* year, /*!< out: current year */ + ulint* month, /*!< out: month */ + ulint* day) /*!< out: day */ { #ifdef __WIN__ SYSTEMTIME cal_tm; @@ -373,13 +373,13 @@ ut_get_year_month_day( #ifndef UNIV_HOTBACKUP /***************************************************************** Runs an idle loop on CPU. The argument gives the desired delay -in microseconds on 100 MHz Pentium + Visual C++. */ +in microseconds on 100 MHz Pentium + Visual C++. +@return dummy value */ UNIV_INTERN ulint ut_delay( /*=====*/ - /* out: dummy value */ - ulint delay) /* in: delay in microseconds on 100 MHz Pentium */ + ulint delay) /*!< in: delay in microseconds on 100 MHz Pentium */ { ulint i, j; @@ -403,9 +403,9 @@ UNIV_INTERN void ut_print_buf( /*=========*/ - FILE* file, /* in: file where to print */ - const void* buf, /* in: memory buffer */ - ulint len) /* in: length of the buffer */ + FILE* file, /*!< in: file where to print */ + const void* buf, /*!< in: memory buffer */ + ulint len) /*!< in: length of the buffer */ { const byte* data; ulint i; @@ -431,13 +431,13 @@ ut_print_buf( } /***************************************************************** -Calculates fast the number rounded up to the nearest power of 2. */ +Calculates fast the number rounded up to the nearest power of 2. +@return first power of 2 which is >= n */ UNIV_INTERN ulint ut_2_power_up( /*==========*/ - /* out: first power of 2 which is >= n */ - ulint n) /* in: number != 0 */ + ulint n) /*!< in: number != 0 */ { ulint res; @@ -458,8 +458,8 @@ UNIV_INTERN void ut_print_filename( /*==============*/ - FILE* f, /* in: output stream */ - const char* name) /* in: name to print */ + FILE* f, /*!< in: output stream */ + const char* name) /*!< in: name to print */ { putc('\'', f); for (;;) { @@ -487,11 +487,11 @@ UNIV_INTERN void ut_print_name( /*==========*/ - FILE* f, /* in: output stream */ - trx_t* trx, /* in: transaction */ - ibool table_id,/* in: TRUE=print a table name, + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ibool table_id,/*!< in: TRUE=print a table name, FALSE=print other identifier */ - const char* name) /* in: name to print */ + const char* name) /*!< in: name to print */ { ut_print_namel(f, trx, table_id, name, strlen(name)); } @@ -505,12 +505,12 @@ UNIV_INTERN void ut_print_namel( /*===========*/ - FILE* f, /* in: output stream */ - trx_t* trx, /* in: transaction (NULL=no quotes) */ - ibool table_id,/* in: TRUE=print a table name, + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction (NULL=no quotes) */ + ibool table_id,/*!< in: TRUE=print a table name, FALSE=print other identifier */ - const char* name, /* in: name to print */ - ulint namelen)/* in: length of name */ + const char* name, /*!< in: name to print */ + ulint namelen)/*!< in: length of name */ { /* 2 * NAME_LEN for database and table name, and some slack for the #mysql50# prefix and quotes */ @@ -531,8 +531,8 @@ UNIV_INTERN void ut_copy_file( /*=========*/ - FILE* dest, /* in: output file */ - FILE* src) /* in: input file to be appended to output */ + FILE* dest, /*!< in: output file */ + FILE* src) /*!< in: input file to be appended to output */ { long len = ftell(src); char buf[4096]; @@ -556,19 +556,16 @@ ut_copy_file( # include /************************************************************************** A substitute for snprintf(3), formatted output conversion into -a limited buffer. */ +a limited buffer. +@return number of characters that would have been printed if the size were unlimited, not including the terminating '\0'. */ UNIV_INTERN int ut_snprintf( /*========*/ - /* out: number of characters that would - have been printed if the size were - unlimited, not including the terminating - '\0'. */ - char* str, /* out: string */ - size_t size, /* in: str size */ - const char* fmt, /* in: format */ - ...) /* in: format values */ + char* str, /*!< out: string */ + size_t size, /*!< in: str size */ + const char* fmt, /*!< in: format */ + ...) /*!< in: format values */ { int res; va_list ap1; diff --git a/ut/ut0vec.c b/ut/ut0vec.c index 69b7bec701a..884b0a17b22 100644 --- a/ut/ut0vec.c +++ b/ut/ut0vec.c @@ -23,14 +23,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA #include /******************************************************************** -Create a new vector with the given initial size. */ +Create a new vector with the given initial size. +@return vector */ UNIV_INTERN ib_vector_t* ib_vector_create( /*=============*/ - /* out: vector */ - mem_heap_t* heap, /* in: heap */ - ulint size) /* in: initial size */ + mem_heap_t* heap, /*!< in: heap */ + ulint size) /*!< in: initial size */ { ib_vector_t* vec; @@ -52,8 +52,8 @@ UNIV_INTERN void ib_vector_push( /*===========*/ - ib_vector_t* vec, /* in: vector */ - void* elem) /* in: data element */ + ib_vector_t* vec, /*!< in: vector */ + void* elem) /*!< in: data element */ { if (vec->used >= vec->total) { void** new_data; diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index 967f7fa9eeb..bcc03b7209d 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -19,12 +19,12 @@ Place, Suite 330, Boston, MA 02111-1307 USA #include "ut0wqueue.h" /******************************************************************** -Create a new work queue. */ +Create a new work queue. +@return work queue */ UNIV_INTERN ib_wqueue_t* ib_wqueue_create(void) /*===================*/ - /* out: work queue */ { ib_wqueue_t* wq = mem_alloc(sizeof(ib_wqueue_t)); @@ -42,7 +42,7 @@ UNIV_INTERN void ib_wqueue_free( /*===========*/ - ib_wqueue_t* wq) /* in: work queue */ + ib_wqueue_t* wq) /*!< in: work queue */ { ut_a(!ib_list_get_first(wq->items)); @@ -59,9 +59,9 @@ UNIV_INTERN void ib_wqueue_add( /*==========*/ - ib_wqueue_t* wq, /* in: work queue */ - void* item, /* in: work item */ - mem_heap_t* heap) /* in: memory heap to use for allocating the + ib_wqueue_t* wq, /*!< in: work queue */ + void* item, /*!< in: work item */ + mem_heap_t* heap) /*!< in: memory heap to use for allocating the list node */ { mutex_enter(&wq->mutex); @@ -73,13 +73,13 @@ ib_wqueue_add( } /******************************************************************** -Wait for a work item to appear in the queue. */ +Wait for a work item to appear in the queue. +@return work item */ UNIV_INTERN void* ib_wqueue_wait( /*===========*/ - /* out: work item */ - ib_wqueue_t* wq) /* in: work queue */ + ib_wqueue_t* wq) /*!< in: work queue */ { ib_list_node_t* node; From 41b29de7ac91a96207b533fe6115a72ecc41c45f Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 27 May 2009 09:52:16 +0000 Subject: [PATCH 139/400] branches/innodb+: Merge revisions 5091:5143 from branches/zip: ------------------------------------------------------------------------ r5092 | marko | 2009-05-25 09:54:17 +0300 (Mon, 25 May 2009) | 1 line branches/zip: Adjust some function comments after r5091. ------------------------------------------------------------------------ r5100 | marko | 2009-05-25 12:09:45 +0300 (Mon, 25 May 2009) | 1 line branches/zip: Split some long lines that were introduced in r5091. ------------------------------------------------------------------------ r5101 | marko | 2009-05-25 12:42:47 +0300 (Mon, 25 May 2009) | 2 lines branches/zip: Introduce the macro TEMP_INDEX_PREFIX_STR. This is to avoid triggering an error in Doxygen. ------------------------------------------------------------------------ r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line branches/zip: Add missing file comments. ------------------------------------------------------------------------ r5103 | marko | 2009-05-25 13:52:29 +0300 (Mon, 25 May 2009) | 10 lines branches/zip: Add @file comments, and convert decorative /********************************* comments to Doxygen /** style like this: /*****************************//** This conversion was performed by the following command: perl -i -e 'while(){if (m|^/\*{30}\**$|) { s|\*{4}$|//**| if ++$com>1; $_ .= "\@file $ARGV\n" if $com==2} print; if(eof){$.=0;undef $com}}' */*[ch] include/univ.i ------------------------------------------------------------------------ r5104 | marko | 2009-05-25 14:39:07 +0300 (Mon, 25 May 2009) | 2 lines branches/zip: Revert ut0auxconf_* to r5102, that is, make Doxygen ignore these test programs. ------------------------------------------------------------------------ r5105 | marko | 2009-05-25 14:52:20 +0300 (Mon, 25 May 2009) | 2 lines branches/zip: Enclose some #error checks inside #ifndef DOXYGEN to prevent bogus Doxygen errors. ------------------------------------------------------------------------ r5106 | marko | 2009-05-25 16:09:24 +0300 (Mon, 25 May 2009) | 2 lines branches/zip: Add some Doxygen comments, mainly to structs, typedefs, macros and global variables. Many more to go. ------------------------------------------------------------------------ r5108 | marko | 2009-05-26 00:32:35 +0300 (Tue, 26 May 2009) | 2 lines branches/zip: lexyy.c: Remove the inadvertently added @file directive. There is nothing for Doxygen to see in this file, move along. ------------------------------------------------------------------------ r5125 | marko | 2009-05-26 16:28:49 +0300 (Tue, 26 May 2009) | 3 lines branches/zip: Add some Doxygen comments for many structs, typedefs, #defines and global variables. Many are still missing. ------------------------------------------------------------------------ r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add some Doxygen @return comments. ------------------------------------------------------------------------ r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add Doxyfile. ------------------------------------------------------------------------ r5143 | marko | 2009-05-27 10:57:25 +0300 (Wed, 27 May 2009) | 3 lines branches/zip: buf0buf.h, Doxyfile: Fix the Doxygen translation. @defgroup is for source code modules, not for field groups. Tell Doxygen to expand the UT_LIST declarations. ------------------------------------------------------------------------ --- ChangeLog | 7 + Doxyfile | 1419 +++++++++++++++++++++++++++++++++++ btr/btr0btr.c | 123 +-- btr/btr0cur.c | 151 ++-- btr/btr0pcur.c | 27 +- btr/btr0sea.c | 65 +- buf/buf0buddy.c | 25 +- buf/buf0buf.c | 137 ++-- buf/buf0flu.c | 59 +- buf/buf0lru.c | 104 +-- buf/buf0rea.c | 42 +- data/data0data.c | 45 +- data/data0type.c | 20 +- dict/dict0boot.c | 17 +- dict/dict0crea.c | 45 +- dict/dict0dict.c | 253 ++++--- dict/dict0load.c | 56 +- dict/dict0mem.c | 23 +- dyn/dyn0dyn.c | 5 +- eval/eval0eval.c | 41 +- eval/eval0proc.c | 15 +- fil/fil0fil.c | 326 ++++---- fsp/fsp0fsp.c | 204 ++--- fut/fut0fut.c | 3 +- fut/fut0lst.c | 23 +- ha/ha0ha.c | 28 +- ha/ha0storage.c | 7 +- ha/hash0hash.c | 17 +- handler/ha_innodb.cc | 478 ++++++------ handler/ha_innodb.h | 39 +- handler/handler0alter.cc | 47 +- handler/handler0vars.h | 5 +- handler/i_s.cc | 49 +- handler/i_s.h | 3 +- handler/mysql_addons.cc | 3 +- handler/win_delay_loader.cc | 78 +- ibuf/ibuf0ibuf.c | 279 ++++--- include/btr0btr.h | 147 ++-- include/btr0btr.ic | 35 +- include/btr0cur.h | 232 +++--- include/btr0cur.ic | 23 +- include/btr0pcur.h | 117 +-- include/btr0pcur.ic | 69 +- include/btr0sea.h | 114 +-- include/btr0sea.ic | 9 +- include/btr0types.h | 10 +- include/buf0buddy.h | 7 +- include/buf0buddy.ic | 13 +- include/buf0buf.h | 677 +++++++++-------- include/buf0buf.ic | 130 ++-- include/buf0flu.h | 36 +- include/buf0flu.ic | 11 +- include/buf0lru.h | 46 +- include/buf0lru.ic | 3 +- include/buf0rea.h | 14 +- include/buf0types.h | 34 +- include/data0data.h | 143 ++-- include/data0data.ic | 66 +- include/data0type.h | 77 +- include/data0type.ic | 52 +- include/data0types.h | 3 +- include/db0err.h | 3 +- include/dict0boot.h | 17 +- include/dict0boot.ic | 11 +- include/dict0crea.h | 39 +- include/dict0crea.ic | 3 +- include/dict0dict.h | 269 +++---- include/dict0dict.ic | 91 +-- include/dict0load.h | 24 +- include/dict0load.ic | 3 +- include/dict0mem.h | 324 ++++---- include/dict0mem.ic | 3 +- include/dict0types.h | 3 +- include/dyn0dyn.h | 56 +- include/dyn0dyn.ic | 33 +- include/eval0eval.h | 21 +- include/eval0eval.ic | 25 +- include/eval0proc.h | 19 +- include/eval0proc.ic | 7 +- include/fil0fil.h | 207 ++--- include/fsp0fsp.h | 93 ++- include/fsp0fsp.ic | 5 +- include/fut0fut.h | 8 +- include/fut0fut.ic | 8 +- include/fut0lst.h | 37 +- include/fut0lst.ic | 19 +- include/ha0ha.h | 101 ++- include/ha0ha.ic | 35 +- include/ha0storage.h | 53 +- include/ha0storage.ic | 30 +- include/ha_prototypes.h | 59 +- include/handler0alter.h | 7 +- include/hash0hash.h | 59 +- include/hash0hash.ic | 21 +- include/ibuf0ibuf.h | 63 +- include/ibuf0ibuf.ic | 51 +- include/ibuf0types.h | 3 +- include/lock0iter.h | 7 +- include/lock0lock.h | 223 +++--- include/lock0lock.ic | 11 +- include/lock0priv.h | 43 +- include/lock0priv.ic | 5 +- include/lock0types.h | 3 +- include/log0log.h | 310 ++++---- include/log0log.ic | 48 +- include/log0recv.h | 212 ++++-- include/log0recv.ic | 8 +- include/mach0data.h | 79 +- include/mach0data.ic | 75 +- include/mem0dbg.h | 21 +- include/mem0dbg.ic | 17 +- include/mem0mem.h | 77 +- include/mem0mem.ic | 53 +- include/mem0pool.h | 31 +- include/mem0pool.ic | 3 +- include/mtr0log.h | 39 +- include/mtr0log.ic | 17 +- include/mtr0mtr.h | 51 +- include/mtr0mtr.ic | 23 +- include/mtr0types.h | 3 +- include/mysql_addons.h | 3 +- include/os0file.h | 172 +++-- include/os0proc.h | 11 +- include/os0proc.ic | 3 +- include/os0sync.h | 92 ++- include/os0sync.ic | 5 +- include/os0thread.h | 29 +- include/os0thread.ic | 3 +- include/page0cur.h | 57 +- include/page0cur.ic | 33 +- include/page0page.h | 180 ++--- include/page0page.ic | 109 +-- include/page0types.h | 42 +- include/page0zip.h | 74 +- include/page0zip.ic | 29 +- include/pars0opt.h | 9 +- include/pars0opt.ic | 3 +- include/pars0pars.h | 264 +++---- include/pars0pars.ic | 3 +- include/pars0sym.h | 105 +-- include/pars0sym.ic | 3 +- include/pars0types.h | 3 +- include/que0que.h | 141 ++-- include/que0que.ic | 37 +- include/que0types.h | 9 +- include/read0read.h | 56 +- include/read0read.ic | 9 +- include/read0types.h | 3 +- include/rem0cmp.h | 44 +- include/rem0cmp.ic | 15 +- include/rem0rec.h | 137 ++-- include/rem0rec.ic | 144 ++-- include/rem0types.h | 3 +- include/row0ext.h | 25 +- include/row0ext.ic | 13 +- include/row0ins.h | 34 +- include/row0ins.ic | 3 +- include/row0merge.h | 47 +- include/row0mysql.h | 223 +++--- include/row0mysql.ic | 3 +- include/row0purge.h | 23 +- include/row0purge.ic | 3 +- include/row0row.h | 56 +- include/row0row.ic | 9 +- include/row0sel.h | 221 +++--- include/row0sel.ic | 9 +- include/row0types.h | 3 +- include/row0uins.h | 5 +- include/row0uins.ic | 3 +- include/row0umod.h | 5 +- include/row0umod.ic | 3 +- include/row0undo.h | 78 +- include/row0undo.ic | 3 +- include/row0upd.h | 95 +-- include/row0upd.ic | 15 +- include/row0vers.h | 15 +- include/row0vers.ic | 3 +- include/srv0que.h | 11 +- include/srv0srv.h | 220 +++--- include/srv0srv.ic | 3 +- include/srv0start.h | 47 +- include/sync0arr.h | 31 +- include/sync0arr.ic | 3 +- include/sync0rw.h | 166 ++-- include/sync0rw.ic | 45 +- include/sync0sync.h | 124 +-- include/sync0sync.ic | 25 +- include/sync0types.h | 5 +- include/thr0loc.h | 15 +- include/thr0loc.ic | 3 +- include/trx0i_s.h | 132 ++-- include/trx0purge.h | 70 +- include/trx0purge.ic | 5 +- include/trx0rec.h | 55 +- include/trx0rec.ic | 15 +- include/trx0roll.h | 115 +-- include/trx0roll.ic | 5 +- include/trx0rseg.h | 35 +- include/trx0rseg.ic | 13 +- include/trx0sys.h | 262 ++++--- include/trx0sys.ic | 35 +- include/trx0trx.h | 214 +++--- include/trx0trx.ic | 17 +- include/trx0types.h | 46 +- include/trx0undo.h | 174 +++-- include/trx0undo.ic | 29 +- include/trx0xa.h | 45 +- include/univ.i | 3 +- include/usr0sess.h | 13 +- include/usr0sess.ic | 3 +- include/usr0types.h | 3 +- include/ut0byte.h | 63 +- include/ut0byte.ic | 43 +- include/ut0dbg.h | 57 +- include/ut0list.h | 43 +- include/ut0list.ic | 11 +- include/ut0lst.h | 134 ++-- include/ut0mem.h | 75 +- include/ut0mem.ic | 45 +- include/ut0rnd.h | 27 +- include/ut0rnd.ic | 24 +- include/ut0sort.h | 5 +- include/ut0ut.h | 108 ++- include/ut0ut.ic | 17 +- include/ut0vec.h | 32 +- include/ut0vec.ic | 17 +- include/ut0wqueue.h | 23 +- lock/lock0iter.c | 7 +- lock/lock0lock.c | 294 ++++---- log/log0log.c | 137 ++-- log/log0recv.c | 160 ++-- mach/mach0data.c | 7 +- mem/mem0dbg.c | 47 +- mem/mem0mem.c | 31 +- mem/mem0pool.c | 49 +- mtr/mtr0log.c | 25 +- mtr/mtr0mtr.c | 23 +- os/os0file.c | 284 +++---- os/os0proc.c | 11 +- os/os0sync.c | 59 +- os/os0thread.c | 25 +- page/page0cur.c | 60 +- page/page0page.c | 84 ++- page/page0zip.c | 169 +++-- pars/lexyy.c | 8 +- pars/pars0lex.l | 6 +- pars/pars0opt.c | 47 +- pars/pars0pars.c | 137 ++-- pars/pars0sym.c | 19 +- que/que0que.c | 69 +- read/read0read.c | 21 +- rem/rem0cmp.c | 62 +- rem/rem0rec.c | 51 +- row/row0ext.c | 7 +- row/row0ins.c | 87 ++- row/row0merge.c | 266 ++++--- row/row0mysql.c | 149 ++-- row/row0purge.c | 31 +- row/row0row.c | 47 +- row/row0sel.c | 111 +-- row/row0uins.c | 13 +- row/row0umod.c | 27 +- row/row0undo.c | 14 +- row/row0upd.c | 111 +-- row/row0vers.c | 15 +- srv/srv0que.c | 11 +- srv/srv0srv.c | 90 +-- srv/srv0start.c | 58 +- sync/sync0arr.c | 87 ++- sync/sync0rw.c | 69 +- sync/sync0sync.c | 107 +-- thr/thr0loc.c | 42 +- trx/trx0i_s.c | 163 ++-- trx/trx0purge.c | 50 +- trx/trx0rec.c | 70 +- trx/trx0roll.c | 82 +- trx/trx0rseg.c | 13 +- trx/trx0sys.c | 109 +-- trx/trx0trx.c | 83 +- trx/trx0undo.c | 102 +-- usr/usr0sess.c | 11 +- ut/ut0byte.c | 9 +- ut/ut0dbg.c | 27 +- ut/ut0list.c | 21 +- ut/ut0mem.c | 49 +- ut/ut0rnd.c | 11 +- ut/ut0ut.c | 47 +- ut/ut0vec.c | 11 +- ut/ut0wqueue.c | 15 +- 289 files changed, 11062 insertions(+), 7988 deletions(-) create mode 100644 Doxyfile diff --git a/ChangeLog b/ChangeLog index 2531eb6e51d..bdcff9524aa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2009-05-27 The InnoDB Team + + * Doxyfile: + Allow the extraction of documentation from the code base with the + Doxygen tool. Convert and add many (but not yet all) comments to + Doxygen format. + 2009-05-19 The InnoDB Team * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, diff --git a/Doxyfile b/Doxyfile new file mode 100644 index 00000000000..62aa7dd8abc --- /dev/null +++ b/Doxyfile @@ -0,0 +1,1419 @@ +# Doxyfile 1.5.6 + +# Usage: SVNVERSION=-r$(svnversion) doxygen + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file +# that follow. The default is UTF-8 which is also the encoding used for all +# text before the first occurrence of this tag. Doxygen uses libiconv (or the +# iconv built into libc) for the transcoding. See +# http://www.gnu.org/software/libiconv for the list of possible encodings. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = "InnoDB Plugin" + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = 1.0$(SVNVERSION) + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. If left blank the current directory will be used. + +OUTPUT_DIRECTORY = dox + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create +# 4096 sub-directories (in 2 levels) under the output directory of each output +# format and will distribute the generated files over these directories. +# Enabling this option can be useful when feeding doxygen a huge amount of +# source files, where putting all generated files in the same directory would +# otherwise cause performance problems for the file system. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, +# Croatian, Czech, Danish, Dutch, Farsi, Finnish, French, German, Greek, +# Hungarian, Italian, Japanese, Japanese-en (Japanese with English messages), +# Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, Polish, +# Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, +# and Ukrainian. + +OUTPUT_LANGUAGE = English + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. Each string +# in this list, if found as the leading text of the brief description, will be +# stripped from the text and the result after processing the whole list, is +# used as the annotated text. Otherwise, the brief description is used as-is. +# If left blank, the following values are used ("$name" is automatically +# replaced with the name of the entity): "The $name class" "The $name widget" +# "The $name file" "is" "provides" "specifies" "contains" +# "represents" "a" "an" "the" + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# Doxygen will generate a detailed section even if there is only a brief +# description. + +ALWAYS_DETAILED_SEC = NO + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all +# inherited members of a class in the documentation of that class as if those +# members were ordinary class members. Constructors, destructors and assignment +# operators of the base classes will not be shown. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full +# path before files name in the file list and in the header files. If set +# to NO the shortest path that makes the file name unique will be used. + +FULL_PATH_NAMES = YES + +# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag +# can be used to strip a user-defined part of the path. Stripping is +# only done if one of the specified strings matches the left-hand part of +# the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the +# path to strip. + +STRIP_FROM_PATH = + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of +# the path mentioned in the documentation of a class, which tells +# the reader which header file to include in order to use a class. +# If left blank only the name of the header file containing the class +# definition is used. Otherwise one should specify the include paths that +# are normally passed to the compiler using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter +# (but less readable) file names. This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like regular Qt-style comments +# (thus requiring an explicit @brief command for a brief description.) + +JAVADOC_AUTOBRIEF = NO + +# If the QT_AUTOBRIEF tag is set to YES then Doxygen will +# interpret the first line (until the first dot) of a Qt-style +# comment as the brief description. If set to NO, the comments +# will behave just like regular Qt-style comments (thus requiring +# an explicit \brief command for a brief description.) + +QT_AUTOBRIEF = NO + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. This used to be the default behaviour. +# The new default is to treat a multi-line C++ comment block as a detailed +# description. Set this tag to YES if you prefer the old behaviour instead. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the DETAILS_AT_TOP tag is set to YES then Doxygen +# will output the detailed description near the top, like JavaDoc. +# If set to NO, the detailed description appears after the member +# documentation. + +DETAILS_AT_TOP = NO + +# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented +# member inherits the documentation from any documented member that it +# re-implements. + +INHERIT_DOCS = YES + +# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce +# a new page for each member. If set to NO, the documentation of a member will +# be part of the file/class/namespace that contains it. + +SEPARATE_MEMBER_PAGES = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. +# Doxygen uses this value to replace tabs by spaces in code fragments. + +TAB_SIZE = 8 + +# This tag can be used to specify a number of aliases that acts +# as commands in the documentation. An alias has the form "name=value". +# For example adding "sideeffect=\par Side Effects:\n" will allow you to +# put the command \sideeffect (or @sideeffect) in the documentation, which +# will result in a user-defined paragraph with heading "Side Effects:". +# You can put \n's in the value part of an alias to insert newlines. + +ALIASES = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C +# sources only. Doxygen will then generate output that is more tailored for C. +# For instance, some of the names that are used will be different. The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = YES + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java +# sources only. Doxygen will then generate output that is more tailored for +# Java. For instance, namespaces will be presented as packages, qualified +# scopes will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran +# sources only. Doxygen will then generate output that is more tailored for +# Fortran. + +OPTIMIZE_FOR_FORTRAN = NO + +# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL +# sources. Doxygen will then generate output that is tailored for +# VHDL. + +OPTIMIZE_OUTPUT_VHDL = NO + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want +# to include (a tag file for) the STL sources as input, then you should +# set this tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. +# func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. + +BUILTIN_STL_SUPPORT = NO + +# If you use Microsoft's C++/CLI language, you should set this option to YES to +# enable parsing support. + +CPP_CLI_SUPPORT = NO + +# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. +# Doxygen will parse them like normal C++ but will assume all classes use public +# instead of private inheritance when no explicit protection keyword is present. + +SIP_SUPPORT = NO + +# For Microsoft's IDL there are propget and propput attributes to indicate getter +# and setter methods for a property. Setting this option to YES (the default) +# will make doxygen to replace the get and set methods by a property in the +# documentation. This will only work if the methods are indeed getting or +# setting a simple type. If this is not the case, or you want to show the +# methods anyway, you should set this option to NO. + +IDL_PROPERTY_SUPPORT = YES + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. + +DISTRIBUTE_GROUP_DOC = NO + +# Set the SUBGROUPING tag to YES (the default) to allow class member groups of +# the same type (for instance a group of public functions) to be put as a +# subgroup of that type (e.g. under the Public Functions section). Set it to +# NO to prevent subgrouping. Alternatively, this can be done per class using +# the \nosubgrouping command. + +SUBGROUPING = YES + +# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum +# is documented as struct, union, or enum with the name of the typedef. So +# typedef struct TypeS {} TypeT, will appear in the documentation as a struct +# with name TypeT. When disabled the typedef will appear as a member of a file, +# namespace, or class. And the struct will be named TypeS. This can typically +# be useful for C code in case the coding convention dictates that all compound +# types are typedef'ed and only the typedef is referenced, never the tag name. + +TYPEDEF_HIDES_STRUCT = NO + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. +# Private class members and static file members will be hidden unless +# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES + +EXTRACT_ALL = NO + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class +# will be included in the documentation. + +EXTRACT_PRIVATE = YES + +# If the EXTRACT_STATIC tag is set to YES all static members of a file +# will be included in the documentation. + +EXTRACT_STATIC = YES + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) +# defined locally in source files will be included in the documentation. +# If set to NO only classes defined in header files are included. + +EXTRACT_LOCAL_CLASSES = YES + +# This flag is only useful for Objective-C code. When set to YES local +# methods, which are defined in the implementation section but not in +# the interface are included in the documentation. +# If set to NO (the default) only methods in the interface are included. + +EXTRACT_LOCAL_METHODS = NO + +# If this flag is set to YES, the members of anonymous namespaces will be +# extracted and appear in the documentation as a namespace called +# 'anonymous_namespace{file}', where file will be replaced with the base +# name of the file that contains the anonymous namespace. By default +# anonymous namespace are hidden. + +EXTRACT_ANON_NSPACES = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all +# undocumented members of documented classes, files or namespaces. +# If set to NO (the default) these members will be included in the +# various overviews, but no documentation section is generated. +# This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. +# If set to NO (the default) these classes will be included in the various +# overviews. This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all +# friend (class|struct|union) declarations. +# If set to NO (the default) these declarations will be included in the +# documentation. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any +# documentation blocks found inside the body of a function. +# If set to NO (the default) these blocks will be appended to the +# function's detailed documentation block. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation +# that is typed after a \internal command is included. If the tag is set +# to NO (the default) then the documentation will be excluded. +# Set it to YES to include the internal documentation. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate +# file names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen +# will show members with their full class and namespace scopes in the +# documentation. If set to YES the scope will be hidden. + +HIDE_SCOPE_NAMES = NO + +# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen +# will put a list of the files that are included by a file in the documentation +# of that file. + +SHOW_INCLUDE_FILES = YES + +# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] +# is inserted in the documentation for inline members. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen +# will sort the (detailed) documentation of file and class members +# alphabetically by member name. If set to NO the members will appear in +# declaration order. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the +# brief documentation of file, namespace and class members alphabetically +# by member name. If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the +# hierarchy of group names into alphabetical order. If set to NO (the default) +# the group names will appear in their defined order. + +SORT_GROUP_NAMES = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is NO. + +SHOW_DIRECTORIES = NO + +# Set the SHOW_FILES tag to NO to disable the generation of the Files page. +# This will remove the Files entry from the Quick Index and from the +# Folder Tree View (if specified). The default is YES. + +SHOW_FILES = YES + +# Set the SHOW_NAMESPACES tag to NO to disable the generation of the +# Namespaces page. This will remove the Namespaces entry from the Quick Index +# and from the Folder Tree View (if specified). The default is YES. + +SHOW_NAMESPACES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from +# the version control system). Doxygen will invoke the program by executing (via +# popen()) the command , where is the value of +# the FILE_VERSION_FILTER tag, and is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = YES + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be abled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = . include/univ.i + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is +# also the default input encoding. Doxygen uses libiconv (or the iconv built +# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for +# the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90 + +FILE_PATTERNS = *.c *.ic *.h + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = ut0auxconf_* + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command , where +# is the value of the INPUT_FILTER tag, and is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = NO + +# If the REFERENCES_RELATION tag is set to YES +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = NO + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. Otherwise they will link to the documentstion. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = NO + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_DOCSET tag is set to YES, additional index files +# will be generated that can be used as input for Apple's Xcode 3 +# integrated development environment, introduced with OSX 10.5 (Leopard). +# To create a documentation set, doxygen will generate a Makefile in the +# HTML output directory. Running make will produce the docset in that +# directory and running "make install" will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find +# it at startup. + +GENERATE_DOCSET = NO + +# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the +# feed. A documentation feed provides an umbrella under which multiple +# documentation sets from a single provider (such as a company or product suite) +# can be grouped. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that +# should uniquely identify the documentation set bundle. This should be a +# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen +# will append .docset to the name. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. For this to work a browser that supports +# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox +# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). + +HTML_DYNAMIC_SECTIONS = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING +# is used to encode HtmlHelp index (hhk), content (hhc) and project file +# content. + +CHM_INDEX_ENCODING = + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. +# If the tag value is set to FRAME, a side panel will be generated +# containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. Other possible values +# for this tag are: HIERARCHIES, which will generate the Groups, Directories, +# and Class Hiererachy pages using a tree view instead of an ordered list; +# ALL, which combines the behavior of FRAME and HIERARCHIES; and NONE, which +# disables this behavior completely. For backwards compatibility with previous +# releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE +# respectively. + +GENERATE_TREEVIEW = NONE + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +# Use this tag to change the font size of Latex formulas included +# as images in the HTML documentation. The default is 10. Note that +# when you change the font size after a successful doxygen run you need +# to manually remove any form_*.png images from the HTML output directory +# to force them to be regenerated. + +FORMULA_FONTSIZE = 10 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = YES + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = YES + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = YES + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = YES + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = DOXYGEN UNIV_DEBUG UNIV_SYNC_DEBUG __attribute__()= + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = UT_LIST_BASE_NODE_T UT_LIST_NODE_T + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse +# the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = NO + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option is superseded by the HAVE_DOT option below. This is only a +# fallback. It is recommended to install and use dot, since it yields more +# powerful graphs. + +CLASS_DIAGRAMS = YES + +# You can define message sequence charts within doxygen comments using the \msc +# command. Doxygen will then run the mscgen tool (see +# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the +# documentation. The MSCGEN_PATH tag allows you to specify the directory where +# the mscgen tool resides. If left empty the tool is assumed to be found in the +# default search path. + +MSCGEN_PATH = + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = YES + +# By default doxygen will write a font called FreeSans.ttf to the output +# directory and reference it in all dot files that doxygen generates. This +# font does not include all possible unicode characters however, so when you need +# these (or just want a differently looking font) you can specify the font name +# using DOT_FONTNAME. You need need to make sure dot is able to find the font, +# which can be done by putting it in a standard location or by setting the +# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory +# containing the font. + +DOT_FONTNAME = FreeSans + +# By default doxygen will tell dot to use the output directory to look for the +# FreeSans.ttf font (which doxygen will put there itself). If you specify a +# different font using DOT_FONTNAME you can set the path where dot +# can find it using this tag. + +DOT_FONTPATH = + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = NO + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT options are set to YES then +# doxygen will generate a call dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable call graphs +# for selected functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then +# doxygen will generate a caller dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable caller +# graphs for selected functions only using the \callergraph command. + +CALLER_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of +# nodes that will be shown in the graph. If the number of nodes in a graph +# becomes larger than this value, doxygen will truncate the graph, which is +# visualized by representing a node as a red box. Note that doxygen if the +# number of direct children of the root node in a graph is already larger than +# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note +# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. + +DOT_GRAPH_MAX_NODES = 50 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that the size of a graph can be further restricted by +# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. + +MAX_DOT_GRAPH_DEPTH = 3 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is enabled by default, which results in a transparent +# background. Warning: Depending on the platform used, enabling this option +# may lead to badly anti-aliased labels on the edges of a graph (i.e. they +# become hard to read). + +DOT_TRANSPARENT = YES + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = NO + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to the search engine +#--------------------------------------------------------------------------- + +# The SEARCHENGINE tag specifies whether or not a search engine should be +# used. If set to NO the values of all tags below this one will be ignored. + +SEARCHENGINE = NO diff --git a/btr/btr0btr.c b/btr/btr0btr.c index ce81fdc7a3e..ffe59da6cc8 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file btr/btr0btr.c The B-tree Created 6/2/1994 Heikki Tuuri @@ -97,7 +98,7 @@ we allocate pages for the non-leaf levels of the tree. */ #ifdef UNIV_BTR_DEBUG -/****************************************************************** +/**************************************************************//** Checks a file segment header within a B-tree root page. @return TRUE if valid */ static @@ -116,7 +117,7 @@ btr_root_fseg_validate( } #endif /* UNIV_BTR_DEBUG */ -/****************************************************************** +/**************************************************************//** Gets the root node of a tree and x-latches it. @return root page, x-latched */ static @@ -152,7 +153,7 @@ btr_root_block_get( return(block); } -/****************************************************************** +/**************************************************************//** Gets the root node of a tree and x-latches it. @return root page, x-latched */ UNIV_INTERN @@ -165,7 +166,7 @@ btr_root_get( return(buf_block_get_frame(btr_root_block_get(index, mtr))); } -/***************************************************************** +/*************************************************************//** Gets pointer to the previous user record in the tree. It is assumed that the caller has appropriate latches on the page and its neighbor. @return previous user record, NULL if there is none */ @@ -223,7 +224,7 @@ btr_get_prev_user_rec( return(NULL); } -/***************************************************************** +/*************************************************************//** Gets pointer to the next user record in the tree. It is assumed that the caller has appropriate latches on the page and its neighbor. @return next user record, NULL if there is none */ @@ -279,7 +280,7 @@ btr_get_next_user_rec( return(NULL); } -/****************************************************************** +/**************************************************************//** Creates a new index page (not the root, and also not used in page reorganization). @see btr_page_empty(). */ static @@ -309,7 +310,7 @@ btr_page_create( btr_page_set_index_id(page, page_zip, index->id, mtr); } -/****************************************************************** +/**************************************************************//** Allocates a new file page to be used in an ibuf tree. Takes the page from the free list of the tree, which must contain pages! @return new allocated block, x-latched */ @@ -346,7 +347,7 @@ btr_page_alloc_for_ibuf( return(new_block); } -/****************************************************************** +/**************************************************************//** Allocates a new file page to be used in an index tree. NOTE: we assume that the caller has made the reservation for free extents! @return new allocated block, x-latched; NULL if out of space */ @@ -399,7 +400,7 @@ btr_page_alloc( return(new_block); } -/****************************************************************** +/**************************************************************//** Gets the number of pages in a B-tree. @return number of pages */ UNIV_INTERN @@ -443,7 +444,7 @@ btr_get_size( return(n); } -/****************************************************************** +/**************************************************************//** Frees a page used in an ibuf tree. Puts the page to the free list of the ibuf tree. */ static @@ -467,7 +468,7 @@ btr_page_free_for_ibuf( mtr)); } -/****************************************************************** +/**************************************************************//** Frees a file page used in an index tree. Can be used also to (BLOB) external storage pages, because the page level 0 can be given as an argument. */ @@ -509,7 +510,7 @@ btr_page_free_low( buf_block_get_page_no(block), mtr); } -/****************************************************************** +/**************************************************************//** Frees a file page used in an index tree. NOTE: cannot free field external storage pages because the page must contain info on its level. */ UNIV_INTERN @@ -527,7 +528,7 @@ btr_page_free( btr_page_free_low(index, block, level, mtr); } -/****************************************************************** +/**************************************************************//** Sets the child node file address in a node pointer. */ UNIV_INLINE void @@ -562,7 +563,7 @@ btr_node_ptr_set_child_page_no( } } -/**************************************************************** +/************************************************************//** Returns the child page of a node pointer and x-latches it. @return child page, x-latched */ static @@ -585,7 +586,7 @@ btr_node_ptr_get_child( page_no, RW_X_LATCH, mtr)); } -/**************************************************************** +/************************************************************//** Returns the upper level node pointer to a page. It is assumed that mtr holds an x-latch on the tree. @return rec_get_offsets() of the node pointer record */ @@ -672,7 +673,7 @@ btr_page_get_father_node_ptr( return(offsets); } -/**************************************************************** +/************************************************************//** Returns the upper level node pointer to a page. It is assumed that mtr holds an x-latch on the tree. @return rec_get_offsets() of the node pointer record */ @@ -695,7 +696,7 @@ btr_page_get_father_block( return(btr_page_get_father_node_ptr(offsets, heap, cursor, mtr)); } -/**************************************************************** +/************************************************************//** Seeks to the upper level node pointer to a page. It is assumed that mtr holds an x-latch on the tree. */ static @@ -719,7 +720,7 @@ btr_page_get_father( mem_heap_free(heap); } -/**************************************************************** +/************************************************************//** Creates the root node for a new index tree. @return page number of the created root, FIL_NULL if did not succeed */ UNIV_INTERN @@ -837,7 +838,7 @@ btr_create( return(page_no); } -/**************************************************************** +/************************************************************//** Frees a B-tree except the root page, which MUST be freed after this by calling btr_free_root. */ UNIV_INTERN @@ -894,7 +895,7 @@ top_loop: } } -/**************************************************************** +/************************************************************//** Frees the B-tree root page. Other tree MUST already have been freed. */ UNIV_INTERN void @@ -923,7 +924,7 @@ btr_free_root( } #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Reorganizes an index page. */ static ibool @@ -1061,7 +1062,7 @@ func_exit: } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Reorganizes an index page. IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf page of a non-clustered index, the caller must update the insert @@ -1080,7 +1081,7 @@ btr_page_reorganize( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of reorganizing a page. @return end of log record or NULL */ UNIV_INTERN @@ -1106,7 +1107,7 @@ btr_parse_page_reorganize( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Empties an index page. @see btr_page_create(). */ static void @@ -1141,7 +1142,7 @@ btr_page_empty( block->check_index_page_at_flush = TRUE; } -/***************************************************************** +/*************************************************************//** Makes tree one level higher by splitting the root, and inserts the tuple. It is assumed that mtr contains an x-latch on the tree. NOTE that the operation of this function must always succeed, @@ -1313,7 +1314,7 @@ btr_root_raise_and_insert( return(btr_page_split_and_insert(cursor, tuple, n_ext, mtr)); } -/***************************************************************** +/*************************************************************//** Decides if the page should be split at the convergence point of inserts converging to the left. @return TRUE if split recommended */ @@ -1358,7 +1359,7 @@ btr_page_get_split_rec_to_left( return(FALSE); } -/***************************************************************** +/*************************************************************//** Decides if the page should be split at the convergence point of inserts converging to the right. @return TRUE if split recommended */ @@ -1416,11 +1417,12 @@ split_at_new: return(FALSE); } -/***************************************************************** +/*************************************************************//** Calculates a split record such that the tuple will certainly fit on its half-page when the split is performed. We assume in this function only that the cursor page has at least one user record. -@return split record, or NULL if tuple will be the first record on upper half-page */ +@return split record, or NULL if tuple will be the first record on +upper half-page */ static rec_t* btr_page_get_sure_split_rec( @@ -1535,7 +1537,7 @@ func_exit: return(rec); } -/***************************************************************** +/*************************************************************//** Returns TRUE if the insert fits on the appropriate half-page with the chosen split_rec. @return TRUE if fits */ @@ -1632,7 +1634,7 @@ btr_page_insert_fits( return(FALSE); } -/*********************************************************** +/*******************************************************//** Inserts a data tuple to a tree on a non-leaf level. It is assumed that mtr holds an x-latch on the tree. */ UNIV_INTERN @@ -1663,7 +1665,7 @@ btr_insert_on_non_leaf_level( ut_a(err == DB_SUCCESS); } -/****************************************************************** +/**************************************************************//** Attaches the halves of an index page on the appropriate level in an index tree. */ static @@ -1798,14 +1800,15 @@ btr_attach_half_pages( btr_page_set_next(upper_page, upper_page_zip, next_page_no, mtr); } -/***************************************************************** +/*************************************************************//** Splits an index page to halves and inserts the tuple. It is assumed -that mtr holds an x-latch to the index tree. NOTE: the tree x-latch -is released within this function! NOTE that the operation of this -function must always succeed, we cannot reverse it: therefore -enough free disk space must be guaranteed to be available before +that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is +released within this function! NOTE that the operation of this +function must always succeed, we cannot reverse it: therefore enough +free disk space (2 pages) must be guaranteed to be available before this function is called. -@return inserted record; NOTE: the tree x-latch is released! NOTE: 2 free disk pages must be available! */ + +@return inserted record */ UNIV_INTERN rec_t* btr_page_split_and_insert( @@ -2167,7 +2170,7 @@ func_exit: return(rec); } -/***************************************************************** +/*************************************************************//** Removes a page from the level list of pages. */ static void @@ -2227,7 +2230,7 @@ btr_level_list_remove( } } -/******************************************************************** +/****************************************************************//** Writes the redo log record for setting an index record as the predefined minimum record. */ UNIV_INLINE @@ -2247,7 +2250,7 @@ btr_set_min_rec_mark_log( # define btr_set_min_rec_mark_log(rec,comp,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for setting an index record as the predefined minimum record. @return end of log record or NULL */ @@ -2279,7 +2282,7 @@ btr_parse_set_min_rec_mark( return(ptr + 2); } -/******************************************************************** +/****************************************************************//** Sets a record as the predefined minimum record. */ UNIV_INTERN void @@ -2306,7 +2309,7 @@ btr_set_min_rec_mark( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Deletes on the upper level the node pointer to a page. */ UNIV_INTERN void @@ -2334,7 +2337,7 @@ btr_node_ptr_delete( } } -/***************************************************************** +/*************************************************************//** If page is the only on its level, this function moves its records to the father page, thus reducing the tree height. */ static @@ -2355,7 +2358,7 @@ btr_lift_page_up( page_t* page = buf_block_get_frame(block); ulint root_page_no; buf_block_t* blocks[BTR_MAX_LEVELS]; - ulint n_blocks; /* last used index in blocks[] */ + ulint n_blocks; /*!< last used index in blocks[] */ ulint i; ut_ad(btr_page_get_prev(page, mtr) == FIL_NULL); @@ -2456,7 +2459,7 @@ btr_lift_page_up( ut_ad(btr_check_node_ptr(index, father_block, mtr)); } -/***************************************************************** +/*************************************************************//** Tries to merge the page first to the left immediate brother if such a brother exists, and the node pointers to the current page and to the brother reside on the same page. If the left brother does not satisfy these @@ -2748,7 +2751,7 @@ err_exit: return(TRUE); } -/***************************************************************** +/*************************************************************//** Discards a page that is the only page on its level. This will empty the whole B-tree, leaving just an empty root page. This function should never be reached, because btr_compress(), which is invoked in @@ -2821,7 +2824,7 @@ btr_discard_only_page_on_level( } } -/***************************************************************** +/*************************************************************//** Discards a page from a B-tree. This is used to remove the last record from a B-tree page: the whole page must be removed at the same time. This cannot be used for the root page, which is allowed to be empty. */ @@ -2930,7 +2933,7 @@ btr_discard_page( } #ifdef UNIV_BTR_PRINT -/***************************************************************** +/*************************************************************//** Prints size info of a B-tree. */ UNIV_INTERN void @@ -2969,7 +2972,7 @@ btr_print_size( mtr_commit(&mtr); } -/**************************************************************** +/************************************************************//** Prints recursively index tree pages. */ static void @@ -3031,7 +3034,7 @@ btr_print_recursive( } } -/****************************************************************** +/**************************************************************//** Prints directories and other info of all nodes in the tree. */ UNIV_INTERN void @@ -3067,7 +3070,7 @@ btr_print_index( #endif /* UNIV_BTR_PRINT */ #ifdef UNIV_DEBUG -/**************************************************************** +/************************************************************//** Checks that the node pointer to a page is appropriate. @return TRUE */ UNIV_INTERN @@ -3111,7 +3114,7 @@ func_exit: } #endif /* UNIV_DEBUG */ -/**************************************************************** +/************************************************************//** Display identification information for a record. */ static void @@ -3127,7 +3130,7 @@ btr_index_rec_validate_report( page_get_page_no(page), (ulint) page_offset(rec)); } -/**************************************************************** +/************************************************************//** Checks the size and number of fields in a record based on the definition of the index. @return TRUE if ok */ @@ -3236,7 +3239,7 @@ btr_index_rec_validate( return(TRUE); } -/**************************************************************** +/************************************************************//** Checks the size and number of fields in records based on the definition of the index. @return TRUE if ok */ @@ -3270,7 +3273,7 @@ btr_index_page_validate( return(ret); } -/**************************************************************** +/************************************************************//** Report an error on one page of an index tree. */ static void @@ -3289,7 +3292,7 @@ btr_validate_report1( putc('\n', stderr); } -/**************************************************************** +/************************************************************//** Report an error on two pages of an index tree. */ static void @@ -3310,7 +3313,7 @@ btr_validate_report2( putc('\n', stderr); } -/**************************************************************** +/************************************************************//** Validates index tree level. @return TRUE if ok */ static @@ -3656,7 +3659,7 @@ node_ptr_fails: return(ret); } -/****************************************************************** +/**************************************************************//** Checks the consistency of an index tree. @return TRUE if ok */ UNIV_INTERN diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 2e78a289af7..747596ea6c0 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file btr/btr0cur.c The index tree cursor All changes that row operations make to a B-tree or the records @@ -75,38 +76,49 @@ typedef enum btr_op_enum { } btr_op_t; #ifdef UNIV_DEBUG -/* If the following is set to TRUE, this module prints a lot of +/** If the following is set to TRUE, this module prints a lot of trace information of individual record operations */ UNIV_INTERN ibool btr_cur_print_record_ops = FALSE; #endif /* UNIV_DEBUG */ +/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ UNIV_INTERN ulint btr_cur_n_non_sea = 0; +/** Number of successful adaptive hash index lookups in +btr_cur_search_to_nth_level(). */ UNIV_INTERN ulint btr_cur_n_sea = 0; +/** Old value of btr_cur_n_non_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ UNIV_INTERN ulint btr_cur_n_non_sea_old = 0; +/** Old value of btr_cur_n_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ UNIV_INTERN ulint btr_cur_n_sea_old = 0; -/* In the optimistic insert, if the insert does not fit, but this much space +/** In the optimistic insert, if the insert does not fit, but this much space can be released by page reorganize, then it is reorganized */ - #define BTR_CUR_PAGE_REORGANIZE_LIMIT (UNIV_PAGE_SIZE / 32) -/* The structure of a BLOB part header */ +/** The structure of a BLOB part header */ +/* @{ */ /*--------------------------------------*/ -#define BTR_BLOB_HDR_PART_LEN 0 /* BLOB part len on this +#define BTR_BLOB_HDR_PART_LEN 0 /*!< BLOB part len on this page */ -#define BTR_BLOB_HDR_NEXT_PAGE_NO 4 /* next BLOB part page no, +#define BTR_BLOB_HDR_NEXT_PAGE_NO 4 /*!< next BLOB part page no, FIL_NULL if none */ /*--------------------------------------*/ -#define BTR_BLOB_HDR_SIZE 8 +#define BTR_BLOB_HDR_SIZE 8 /*!< Size of a BLOB + part header, in bytes */ +/* @} */ #endif /* !UNIV_HOTBACKUP */ -/* A BLOB field reference full of zero, for use in assertions and tests. +/** A BLOB field reference full of zero, for use in assertions and tests. Initially, BLOB field references are set to zero, in dtuple_convert_big_rec(). */ UNIV_INTERN const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Marks all extern fields in a record as owned by the record. This function should be called if the delete mark of a record is removed: a not delete marked record always owns all its extern fields. */ @@ -120,7 +132,7 @@ btr_cur_unmark_extern_fields( dict_index_t* index, /*!< in: index of the page */ const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ -/*********************************************************************** +/*******************************************************************//** Adds path information to the cursor for the current page, for which the binary search has been performed. */ static @@ -131,7 +143,7 @@ btr_cur_add_path_info( ulint height, /*!< in: height of the page in tree; 0 means leaf node */ ulint root_height); /*!< in: root node height in tree */ -/*************************************************************** +/***********************************************************//** Frees the externally stored fields for a record, if the field is mentioned in the update vector. */ static @@ -148,7 +160,7 @@ btr_rec_free_updated_extern_fields( enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ mtr_t* mtr); /*!< in: mini-transaction handle which contains an X-latch to record page and to the tree */ -/*************************************************************** +/***********************************************************//** Frees the externally stored fields for a record. */ static void @@ -164,7 +176,7 @@ btr_rec_free_externally_stored_fields( mtr_t* mtr); /*!< in: mini-transaction handle which contains an X-latch to record page and to the index tree */ -/*************************************************************** +/***********************************************************//** Gets the externally stored size of a record, in units of a database page. @return externally stored part, in units of a database page */ static @@ -175,7 +187,7 @@ btr_rec_get_externally_stored_len( const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #endif /* !UNIV_HOTBACKUP */ -/********************************************************** +/******************************************************//** The following function is used to set the deleted bit of a record. */ UNIV_INLINE void @@ -196,7 +208,7 @@ btr_rec_set_deleted_flag( #ifndef UNIV_HOTBACKUP /*==================== B-TREE SEARCH =========================*/ -/************************************************************************ +/********************************************************************//** Latches the leaf page or pages requested. */ static void @@ -300,7 +312,7 @@ btr_cur_latch_leaves( ut_error; } -/************************************************************************ +/********************************************************************//** Searches an index tree and positions a tree cursor on a given level. NOTE: n_fields_cmp in tuple must be set so that it cannot be compared to node pointer page number fields on the upper levels of the tree! @@ -801,7 +813,7 @@ func_exit: } } -/********************************************************************* +/*****************************************************************//** Opens a cursor at either end of an index. */ UNIV_INTERN void @@ -932,7 +944,7 @@ btr_cur_open_at_index_side( } } -/************************************************************************** +/**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INTERN void @@ -1016,7 +1028,7 @@ btr_cur_open_at_rnd_pos( /*==================== B-TREE INSERT =========================*/ -/***************************************************************** +/*************************************************************//** Inserts a record if there is enough space, or if enough space can be freed by reorganizing. Differs from btr_cur_optimistic_insert because no heuristics is applied to whether it pays to use CPU time for @@ -1064,7 +1076,7 @@ btr_cur_insert_if_possible( return(rec); } -/***************************************************************** +/*************************************************************//** For an insert, checks the locks and does the undo logging if desired. @return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ UNIV_INLINE @@ -1126,7 +1138,7 @@ btr_cur_ins_lock_and_undo( } #ifdef UNIV_DEBUG -/***************************************************************** +/*************************************************************//** Report information about a transaction. */ static void @@ -1144,7 +1156,7 @@ btr_cur_trx_report( } #endif /* UNIV_DEBUG */ -/***************************************************************** +/*************************************************************//** Tries to perform an insert to a page in an index tree, next to cursor. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page. If there is just @@ -1420,7 +1432,7 @@ fail_err: return(DB_SUCCESS); } -/***************************************************************** +/*************************************************************//** Performs an insert on a page of an index tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the insert is made on the leaf level, to avoid deadlocks, mtr must also own x-latches @@ -1565,7 +1577,7 @@ btr_cur_pessimistic_insert( /*==================== B-TREE UPDATE =========================*/ -/***************************************************************** +/*************************************************************//** For an update, checks the locks and does the undo logging. @return DB_SUCCESS, DB_WAIT_LOCK, or error number */ UNIV_INLINE @@ -1629,7 +1641,7 @@ btr_cur_upd_lock_and_undo( return(err); } -/*************************************************************** +/***********************************************************//** Writes a redo log record of updating a record in-place. */ UNIV_INLINE void @@ -1678,7 +1690,7 @@ btr_cur_update_in_place_log( } #endif /* UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of updating a record in-place. @return end of log record or NULL */ UNIV_INTERN @@ -1757,7 +1769,7 @@ func_exit: } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** See if there is enough place in the page modification log to log an update-in-place. @return TRUE if enough place */ @@ -1817,7 +1829,7 @@ btr_cur_update_alloc_zip( return(TRUE); } -/***************************************************************** +/*************************************************************//** Updates a record when the update causes no size changes in its fields. We assume here that the ordering fields of the record do not change. @return DB_SUCCESS or error number */ @@ -1939,13 +1951,15 @@ btr_cur_update_in_place( return(DB_SUCCESS); } -/***************************************************************** +/*************************************************************//** Tries to update a record on a page in an index tree. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page or if the update would result in too empty a page, so that tree compression is recommended. We assume here that the ordering fields of the record do not change. -@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if there is not enough space left on the compressed page */ +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, +DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if +there is not enough space left on the compressed page */ UNIV_INTERN ulint btr_cur_optimistic_update( @@ -2145,7 +2159,7 @@ err_exit: return(DB_SUCCESS); } -/***************************************************************** +/*************************************************************//** If, in a split, a new supremum record was created as the predecessor of the updated record, the supremum record must inherit exactly the locks on the updated record. In the split it may have inherited locks from the successor @@ -2193,7 +2207,7 @@ btr_cur_pess_upd_restore_supremum( page_rec_get_heap_no(rec)); } -/***************************************************************** +/*************************************************************//** Performs an update of a record on a page of a tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the update is made on the leaf level, to avoid deadlocks, mtr must also @@ -2503,7 +2517,7 @@ return_after_reservations: /*==================== B-TREE DELETE MARK AND UNMARK ===============*/ -/******************************************************************** +/****************************************************************//** Writes the redo log record for delete marking or unmarking of an index record. */ UNIV_INLINE @@ -2550,7 +2564,7 @@ btr_cur_del_mark_set_clust_rec_log( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for delete marking or unmarking of a clustered index record. @return end of log record or NULL */ @@ -2631,7 +2645,7 @@ btr_cur_parse_del_mark_set_clust_rec( } #ifndef UNIV_HOTBACKUP -/*************************************************************** +/***********************************************************//** Marks a clustered index record deleted. Writes an undo log record to undo log on this delete marking. Writes in the trx id field the id of the deleting transaction, and in the roll ptr field pointer to the @@ -2722,7 +2736,7 @@ func_exit: return(err); } -/******************************************************************** +/****************************************************************//** Writes the redo log record for a delete mark setting of a secondary index record. */ UNIV_INLINE @@ -2756,7 +2770,7 @@ btr_cur_del_mark_set_sec_rec_log( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for delete marking or unmarking of a secondary index record. @return end of log record or NULL */ @@ -2800,7 +2814,7 @@ btr_cur_parse_del_mark_set_sec_rec( } #ifndef UNIV_HOTBACKUP -/*************************************************************** +/***********************************************************//** Sets a secondary index record delete mark to TRUE or FALSE. @return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN @@ -2854,7 +2868,7 @@ btr_cur_del_mark_set_sec_rec( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Sets a secondary index record's delete mark to the given value. This function is only used by the insert buffer merge mechanism. */ UNIV_INTERN @@ -2879,7 +2893,7 @@ btr_cur_set_deleted_flag_for_ibuf( /*==================== B-TREE RECORD REMOVE =========================*/ -/***************************************************************** +/*************************************************************//** Tries to compress a page of the tree if it seems useful. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those @@ -2905,7 +2919,7 @@ btr_cur_compress_if_useful( && btr_compress(cursor, mtr)); } -/*********************************************************** +/*******************************************************//** Removes the record on which the tree cursor is positioned on a leaf page. It is assumed that the mtr has an x-latch on the page where the cursor is positioned, but no latch on the whole tree. @@ -2991,7 +3005,7 @@ btr_cur_optimistic_delete( return(no_compress_needed); } -/***************************************************************** +/*************************************************************//** Removes the record on which the tree cursor is positioned. Tries to compress the page if its fillfactor drops below a threshold or if it is the only page on the level. It is assumed that mtr holds @@ -3154,7 +3168,7 @@ return_after_reservations: return(ret); } -/*********************************************************************** +/*******************************************************************//** Adds path information to the cursor for the current page, for which the binary search has been performed. */ static @@ -3194,7 +3208,7 @@ btr_cur_add_path_info( slot->n_recs = page_get_n_recs(page_align(rec)); } -/*********************************************************************** +/*******************************************************************//** Estimates the number of rows in a given index range. @return estimated number of rows */ UNIV_INTERN @@ -3342,7 +3356,7 @@ btr_estimate_n_rows_in_range( } } -/*********************************************************************** +/*******************************************************************//** Estimates the number of different key values in a given index, for each n-column prefix of the index where n <= dict_index_get_n_unique(index). The estimates are stored in the array index->stat_n_diff_key_vals. */ @@ -3525,7 +3539,7 @@ btr_estimate_number_of_different_key_vals( /*================== EXTERNAL STORAGE OF BIG FIELDS ===================*/ -/*************************************************************** +/***********************************************************//** Gets the externally stored size of a record, in units of a database page. @return externally stored part, in units of a database page */ static @@ -3563,7 +3577,7 @@ btr_rec_get_externally_stored_len( return(total_extern_len / UNIV_PAGE_SIZE); } -/*********************************************************************** +/*******************************************************************//** Sets the ownership bit of an externally stored field in a record. */ static void @@ -3608,7 +3622,7 @@ btr_cur_set_ownership_of_extern_field( } } -/*********************************************************************** +/*******************************************************************//** Marks not updated extern fields as not-owned by this record. The ownership is transferred to the updated record which is inserted elsewhere in the index tree. In purge only the owner of externally stored field is allowed @@ -3663,7 +3677,7 @@ updated: } } -/*********************************************************************** +/*******************************************************************//** The complement of the previous function: in an update entry may inherit some externally stored fields from a record. We must mark them as inherited in entry, so that they are not freed in a rollback. */ @@ -3707,7 +3721,7 @@ is_updated: } } -/*********************************************************************** +/*******************************************************************//** Marks all extern fields in a record as owned by the record. This function should be called if the delete mark of a record is removed: a not delete marked record always owns all its extern fields. */ @@ -3742,7 +3756,7 @@ btr_cur_unmark_extern_fields( } } -/*********************************************************************** +/*******************************************************************//** Marks all extern fields in a dtuple as owned by the record. */ UNIV_INTERN void @@ -3765,7 +3779,7 @@ btr_cur_unmark_dtuple_extern_fields( } } -/*********************************************************************** +/*******************************************************************//** Flags the data tuple fields that are marked as extern storage in the update vector. We use this function to remember which fields we must mark as extern storage in a record inserted for an update. @@ -3845,7 +3859,7 @@ btr_push_update_extern_fields( return(n_pushed); } -/*********************************************************************** +/*******************************************************************//** Returns the length of a BLOB part stored on the header page. @return part length */ static @@ -3857,7 +3871,7 @@ btr_blob_get_part_len( return(mach_read_from_4(blob_header + BTR_BLOB_HDR_PART_LEN)); } -/*********************************************************************** +/*******************************************************************//** Returns the page number where the next BLOB part is stored. @return page number or FIL_NULL if no more pages */ static @@ -3869,7 +3883,7 @@ btr_blob_get_next_page_no( return(mach_read_from_4(blob_header + BTR_BLOB_HDR_NEXT_PAGE_NO)); } -/*********************************************************************** +/*******************************************************************//** Deallocate a buffer block that was reserved for a BLOB part. */ static void @@ -3912,7 +3926,7 @@ btr_blob_free( mutex_exit(&block->mutex); } -/*********************************************************************** +/*******************************************************************//** Stores the fields in big_rec_vec to the tablespace and puts pointers to them in rec. The extern flags in rec will have to be set beforehand. The fields are stored on pages allocated from leaf node @@ -4280,7 +4294,7 @@ next_zip_page: return(DB_SUCCESS); } -/*********************************************************************** +/*******************************************************************//** Check the FIL_PAGE_TYPE on an uncompressed BLOB page. */ static void @@ -4318,7 +4332,7 @@ btr_check_blob_fil_page_type( } } -/*********************************************************************** +/*******************************************************************//** Frees the space in an externally stored field to the file space management if the field in data is owned by the externally stored field, in a rollback we may have the additional condition that the field must @@ -4503,7 +4517,7 @@ btr_free_externally_stored_field( } } -/*************************************************************** +/***********************************************************//** Frees the externally stored fields for a record. */ static void @@ -4544,7 +4558,7 @@ btr_rec_free_externally_stored_fields( } } -/*************************************************************** +/***********************************************************//** Frees the externally stored fields for a record, if the field is mentioned in the update vector. */ static @@ -4589,7 +4603,7 @@ btr_rec_free_updated_extern_fields( } } -/*********************************************************************** +/*******************************************************************//** Copies the prefix of an uncompressed BLOB. The clustered index record that points to this BLOB must be protected by a lock or a page latch. @return number of bytes written to buf */ @@ -4647,7 +4661,7 @@ btr_copy_blob_prefix( } } -/*********************************************************************** +/*******************************************************************//** Copies the prefix of a compressed BLOB. The clustered index record that points to this BLOB must be protected by a lock or a page latch. */ static @@ -4775,7 +4789,7 @@ end_of_blob: } } -/*********************************************************************** +/*******************************************************************//** Copies the prefix of an externally stored field of a record. The clustered index record that points to this BLOB must be protected by a lock or a page latch. @@ -4825,10 +4839,11 @@ btr_copy_externally_stored_field_prefix_low( } } -/*********************************************************************** +/*******************************************************************//** Copies the prefix of an externally stored field of a record. The clustered index record must be protected by a lock or a page latch. -@return the length of the copied field, or 0 if the column was being or has been deleted */ +@return the length of the copied field, or 0 if the column was being +or has been deleted */ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( @@ -4883,7 +4898,7 @@ btr_copy_externally_stored_field_prefix( offset)); } -/*********************************************************************** +/*******************************************************************//** Copies an externally stored field of a record to mem heap. The clustered index record must be protected by a lock or a page latch. @return the whole field copied to heap */ @@ -4935,7 +4950,7 @@ btr_copy_externally_stored_field( return(buf); } -/*********************************************************************** +/*******************************************************************//** Copies an externally stored field of a record to mem heap. @return the field copied to heap */ UNIV_INTERN diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index ea8ff8c2f7f..ec98692c35b 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file btr/btr0pcur.c The index tree persistent cursor Created 2/23/1996 Heikki Tuuri @@ -32,7 +33,7 @@ Created 2/23/1996 Heikki Tuuri #include "rem0cmp.h" #include "trx0trx.h" -/****************************************************************** +/**************************************************************//** Allocates memory for a persistent cursor object and initializes the cursor. @return own: persistent cursor */ UNIV_INTERN @@ -50,7 +51,7 @@ btr_pcur_create_for_mysql(void) return(pcur); } -/****************************************************************** +/**************************************************************//** Frees the memory for a persistent cursor object. */ UNIV_INTERN void @@ -76,7 +77,7 @@ btr_pcur_free_for_mysql( mem_free(cursor); } -/****************************************************************** +/**************************************************************//** The position of the cursor is stored by taking an initial segment of the record the cursor is positioned on, before, or after, and copying it to the cursor data structure, or just setting a flag if the cursor id before the @@ -157,7 +158,7 @@ btr_pcur_store_position( cursor->modify_clock = buf_block_get_modify_clock(block); } -/****************************************************************** +/**************************************************************//** Copies the stored position of a pcur to another pcur. */ UNIV_INTERN void @@ -187,7 +188,7 @@ btr_pcur_copy_stored_position( pcur_receive->old_n_fields = pcur_donate->old_n_fields; } -/****************************************************************** +/**************************************************************//** Restores the stored position of a persistent cursor bufferfixing the page and obtaining the specified latches. If the cursor position was saved when the (1) cursor was positioned on a user record: this function restores the position @@ -199,7 +200,9 @@ infimum; GREATER than the user record which was the predecessor of the supremum. (4) cursor was positioned before the first or after the last in an empty tree: restores to before first or after the last in the tree. -@return TRUE if the cursor position was stored when it was on a user record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ +@return TRUE if the cursor position was stored when it was on a user +record and it can be restored on a user record whose ordering fields +are identical to the ones of the original user record */ UNIV_INTERN ibool btr_pcur_restore_position( @@ -347,7 +350,7 @@ btr_pcur_restore_position( return(FALSE); } -/****************************************************************** +/**************************************************************//** If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, releases the page latch and bufferfix reserved by the cursor. NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes @@ -374,7 +377,7 @@ btr_pcur_release_leaf( cursor->pos_state = BTR_PCUR_WAS_POSITIONED; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the first record on the next page. Releases the latch on the current page, and bufferunfixes it. Note that there must not be modifications on the current page, as then the x-latch can be released only in @@ -425,7 +428,7 @@ btr_pcur_move_to_next_page( page_check_dir(next_page); } -/************************************************************* +/*********************************************************//** Moves the persistent cursor backward if it is on the first record of the page. Commits mtr. Note that to prevent a possible deadlock, the operation first stores the position of the cursor, commits mtr, acquires the necessary @@ -507,7 +510,7 @@ btr_pcur_move_backward_from_page( cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the previous record in the tree. If no records are left, the cursor stays 'before first in tree'. @return TRUE if the cursor was not before first in tree */ @@ -541,7 +544,7 @@ btr_pcur_move_to_prev( return(TRUE); } -/****************************************************************** +/**************************************************************//** If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first user record satisfying the search condition, in the case PAGE_CUR_L or PAGE_CUR_LE, on the last user record. If no such user record exists, then diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 15f6543f37e..faa1c13897e 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file btr/btr0sea.c The index tree adaptive search Created 2/17/1996 Heikki Tuuri @@ -42,26 +43,29 @@ Created 2/17/1996 Heikki Tuuri #include "btr0btr.h" #include "ha0ha.h" -/* Flag: has the search system been enabled? +/** Flag: has the search system been enabled? Protected by btr_search_latch and btr_search_enabled_mutex. */ UNIV_INTERN char btr_search_enabled = TRUE; +/** Mutex protecting btr_search_enabled */ static mutex_t btr_search_enabled_mutex; -/* A dummy variable to fool the compiler */ +/** A dummy variable to fool the compiler */ UNIV_INTERN ulint btr_search_this_is_zero = 0; #ifdef UNIV_SEARCH_PERF_STAT +/** Number of successful adaptive hash index lookups */ UNIV_INTERN ulint btr_search_n_succ = 0; +/** Number of failed adaptive hash index lookups */ UNIV_INTERN ulint btr_search_n_hash_fail = 0; #endif /* UNIV_SEARCH_PERF_STAT */ -/* padding to prevent other memory update +/** padding to prevent other memory update hotspots from residing on the same memory cache line as btr_search_latch */ UNIV_INTERN byte btr_sea_pad1[64]; -/* The latch protecting the adaptive search system: this latch protects the +/** The latch protecting the adaptive search system: this latch protects the (1) positions of records on those pages where a hash index has been built. NOTE: It does not protect values of non-ordering fields within a record from being updated in-place! We can use fact (1) to perform unique searches to @@ -71,24 +75,23 @@ indexes. */ same DRAM page as other hotspot semaphores */ UNIV_INTERN rw_lock_t* btr_search_latch_temp; -/* padding to prevent other memory update hotspots from residing on +/** padding to prevent other memory update hotspots from residing on the same memory cache line */ UNIV_INTERN byte btr_sea_pad2[64]; +/** The adaptive hash index */ UNIV_INTERN btr_search_sys_t* btr_search_sys; -/* If the number of records on the page divided by this parameter +/** If the number of records on the page divided by this parameter would have been successfully accessed using a hash index, the index is then built on the page, assuming the global limit has been reached */ - #define BTR_SEARCH_PAGE_BUILD_LIMIT 16 -/* The global limit for consecutive potentially successful hash searches, +/** The global limit for consecutive potentially successful hash searches, before hash index building is started */ - #define BTR_SEARCH_BUILD_LIMIT 100 -/************************************************************************ +/********************************************************************//** Builds a hash index on a page with the given parameters. If the page already has a hash index with different parameters, the old hash index is removed. If index is non-NULL, this function checks if n_fields and n_bytes are @@ -105,7 +108,7 @@ btr_search_build_page_hash_index( field */ ibool left_side);/*!< in: hash for searches from left side? */ -/********************************************************************* +/*****************************************************************//** This function should be called before reserving any btr search mutex, if the intended operation might add nodes to the search system hash table. Because of the latching order, once we have reserved the btr search system @@ -151,7 +154,7 @@ btr_search_check_free_space_in_heap(void) } } -/********************************************************************* +/*****************************************************************//** Creates and initializes the adaptive search system at a database start. */ UNIV_INTERN void @@ -172,7 +175,7 @@ btr_search_sys_create( btr_search_sys->hash_index = ha_create(hash_size, 0, 0); } -/************************************************************************ +/********************************************************************//** Disable the adaptive hash search system and empty the index. */ UNIV_INTERN void @@ -195,7 +198,7 @@ btr_search_disable(void) mutex_exit(&btr_search_enabled_mutex); } -/************************************************************************ +/********************************************************************//** Enable the adaptive hash search system. */ UNIV_INTERN void @@ -211,7 +214,7 @@ btr_search_enable(void) mutex_exit(&btr_search_enabled_mutex); } -/********************************************************************* +/*****************************************************************//** Creates and initializes a search info struct. @return own: search info struct */ UNIV_INTERN @@ -252,7 +255,7 @@ btr_search_info_create( return(info); } -/********************************************************************* +/*****************************************************************//** Returns the value of ref_count. The value is protected by btr_search_latch. @return ref_count value. */ @@ -278,7 +281,7 @@ btr_search_info_get_ref_count( return(ret); } -/************************************************************************* +/*********************************************************************//** Updates the search info of an index about hash successes. NOTE that info is NOT protected by any semaphore, to save CPU time! Do not assume its fields are consistent. */ @@ -398,7 +401,7 @@ set_new_recomm: } } -/************************************************************************* +/*********************************************************************//** Updates the block search info on hash successes. NOTE that info and block->n_hash_helps, n_fields, n_bytes, side are NOT protected by any semaphore, to save CPU time! Do not assume the fields are consistent. @@ -476,7 +479,7 @@ btr_search_update_block_hash_info( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Updates a hash node reference when it has been unsuccessfully used in a search which could have succeeded with the used hash parameters. This can happen because when building a hash index for a page, we do not check @@ -546,7 +549,7 @@ btr_search_update_hash_ref( } } -/************************************************************************* +/*********************************************************************//** Updates the search info. */ UNIV_INTERN void @@ -623,7 +626,7 @@ btr_search_info_update_slow( } } -/********************************************************************** +/******************************************************************//** Checks if a guessed position for a tree cursor is right. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns TRUE, then cursor->up_match and cursor->low_match both have sensible values. @@ -769,7 +772,7 @@ exit_func: return(success); } -/********************************************************************** +/******************************************************************//** Tries to guess the right search position based on the hash search info of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns TRUE, then cursor->up_match and cursor->low_match @@ -978,7 +981,7 @@ failure: return(FALSE); } -/************************************************************************ +/********************************************************************//** Drops a page hash index. */ UNIV_INTERN void @@ -1145,7 +1148,7 @@ cleanup: mem_free(folds); } -/************************************************************************ +/********************************************************************//** Drops a page hash index when a page is freed from a fseg to the file system. Drops possible hash index if the page happens to be in the buffer pool. */ UNIV_INTERN @@ -1191,7 +1194,7 @@ btr_search_drop_page_hash_when_freed( mtr_commit(&mtr); } -/************************************************************************ +/********************************************************************//** Builds a hash index on a page with the given parameters. If the page already has a hash index with different parameters, the old hash index is removed. If index is non-NULL, this function checks if n_fields and n_bytes are @@ -1386,7 +1389,7 @@ exit_func: } } -/************************************************************************ +/********************************************************************//** Moves or deletes hash entries for moved records. If new_page is already hashed, then the hash index for page, if any, is dropped. If new_page is not hashed, and page is hashed, then a new hash index is built to new_page with the same @@ -1452,7 +1455,7 @@ btr_search_move_or_delete_hash_entries( rw_lock_s_unlock(&btr_search_latch); } -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is deleted from a page. */ UNIV_INTERN void @@ -1505,7 +1508,7 @@ btr_search_update_hash_on_delete( rw_lock_x_unlock(&btr_search_latch); } -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is inserted on a page. */ UNIV_INTERN void @@ -1556,7 +1559,7 @@ btr_search_update_hash_node_on_insert( } } -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is inserted on a page. */ UNIV_INTERN void @@ -1706,7 +1709,7 @@ function_exit: } } -/************************************************************************ +/********************************************************************//** Validates the search system. @return TRUE if ok */ UNIV_INTERN diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 18ef7556375..b879e97a989 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file buf/buf0buddy.c Binary buddy allocator for compressed pages Created December 2006 by Marko Makela @@ -44,7 +45,7 @@ static ulint buf_buddy_n_frames; Protected by buf_pool_mutex. */ UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; -/************************************************************************** +/**********************************************************************//** Get the offset of the buddy of a compressed page frame. @return the buddy relative of page */ UNIV_INLINE @@ -66,7 +67,7 @@ buf_buddy_get( } } -/************************************************************************** +/**********************************************************************//** Add a block to the head of the appropriate buddy free list. */ UNIV_INLINE void @@ -92,7 +93,7 @@ buf_buddy_add_to_free( #endif /* UNIV_DEBUG_VALGRIND */ } -/************************************************************************** +/**********************************************************************//** Remove a block from the appropriate buddy free list. */ UNIV_INLINE void @@ -122,7 +123,7 @@ buf_buddy_remove_from_free( #endif /* UNIV_DEBUG_VALGRIND */ } -/************************************************************************** +/**********************************************************************//** Try to allocate a block from buf_pool->zip_free[]. @return allocated block, or NULL if buf_pool->zip_free[] was empty */ static @@ -175,7 +176,7 @@ buf_buddy_alloc_zip( return(bpage); } -/************************************************************************** +/**********************************************************************//** Deallocate a buffer frame of UNIV_PAGE_SIZE. */ static void @@ -214,7 +215,7 @@ buf_buddy_block_free( ut_d(buf_buddy_n_frames--); } -/************************************************************************** +/**********************************************************************//** Allocate a buffer block to the buddy allocator. */ static void @@ -240,7 +241,7 @@ buf_buddy_block_register( ut_d(buf_buddy_n_frames++); } -/************************************************************************** +/**********************************************************************//** Allocate a block from a bigger object. @return allocated block */ static @@ -280,7 +281,7 @@ buf_buddy_alloc_from( return(buf); } -/************************************************************************** +/**********************************************************************//** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired if lru != NULL. @@ -340,7 +341,7 @@ func_exit: return(block); } -/************************************************************************** +/**********************************************************************//** Try to relocate the control block of a compressed page. @return TRUE if relocated */ static @@ -396,7 +397,7 @@ buf_buddy_relocate_block( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Try to relocate a block. @return TRUE if relocated */ static @@ -504,7 +505,7 @@ success: return(FALSE); } -/************************************************************************** +/**********************************************************************//** Deallocate a block. */ UNIV_INTERN void diff --git a/buf/buf0buf.c b/buf/buf0buf.c index e454378ae64..599f78ee6ce 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file buf/buf0buf.c The database buffer buf_pool Created 11/5/1995 Heikki Tuuri @@ -239,21 +240,21 @@ the read requests for the whole area. */ #ifndef UNIV_HOTBACKUP -/* Value in microseconds */ +/** Value in microseconds */ static const int WAIT_FOR_READ = 5000; -/* The buffer buf_pool of the database */ +/** The buffer buf_pool of the database */ UNIV_INTERN buf_pool_t* buf_pool = NULL; -/* mutex protecting the buffer pool struct and control blocks, except the +/** mutex protecting the buffer pool struct and control blocks, except the read-write lock in them */ UNIV_INTERN mutex_t buf_pool_mutex; -/* mutex protecting the control blocks of compressed-only pages +/** mutex protecting the control blocks of compressed-only pages (of type buf_page_t, not buf_block_t) */ UNIV_INTERN mutex_t buf_pool_zip_mutex; #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -static ulint buf_dbg_counter = 0; /* This is used to insert validation +static ulint buf_dbg_counter = 0; /*!< This is used to insert validation operations in excution in the debug version */ /** Flag to forbid the release of the buffer pool mutex. @@ -261,22 +262,22 @@ Protected by buf_pool_mutex. */ UNIV_INTERN ulint buf_pool_mutex_exit_forbidden = 0; #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG -/* If this is set TRUE, the program prints info whenever +/** If this is set TRUE, the program prints info whenever read-ahead or flush occurs */ UNIV_INTERN ibool buf_debug_prints = FALSE; #endif /* UNIV_DEBUG */ -/* A chunk of buffers. The buffer pool is allocated in chunks. */ +/** A chunk of buffers. The buffer pool is allocated in chunks. */ struct buf_chunk_struct{ - ulint mem_size; /* allocated size of the chunk */ - ulint size; /* size of frames[] and blocks[] */ - void* mem; /* pointer to the memory area which + ulint mem_size; /*!< allocated size of the chunk */ + ulint size; /*!< size of frames[] and blocks[] */ + void* mem; /*!< pointer to the memory area which was allocated for the frames */ - buf_block_t* blocks; /* array of buffer control blocks */ + buf_block_t* blocks; /*!< array of buffer control blocks */ }; #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value on 32-bit and 64-bit architectures. @@ -307,7 +308,7 @@ buf_calc_page_new_checksum( return(checksum); } -/************************************************************************ +/********************************************************************//** In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only looked at the first few bytes of the page. This calculates that old checksum. @@ -330,7 +331,7 @@ buf_calc_page_old_checksum( return(checksum); } -/************************************************************************ +/********************************************************************//** Checks if a page is corrupt. @return TRUE if corrupted */ UNIV_INTERN @@ -433,7 +434,7 @@ buf_page_is_corrupted( return(FALSE); } -/************************************************************************ +/********************************************************************//** Prints a page to stderr. */ UNIV_INTERN void @@ -635,7 +636,7 @@ buf_page_print( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Initializes a buffer control block when the buf_pool is created. */ static void @@ -684,7 +685,7 @@ buf_block_init( #endif /* UNIV_SYNC_DEBUG */ } -/************************************************************************ +/********************************************************************//** Allocates a chunk of buffer frames. @return chunk, or NULL on failure */ static @@ -764,7 +765,7 @@ buf_chunk_init( } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Finds a block in the given buffer chunk that points to a given compressed page. @return buffer block pointing to the compressed page, or NULL */ @@ -793,7 +794,7 @@ buf_chunk_contains_zip( return(NULL); } -/************************************************************************* +/*********************************************************************//** Finds a block in the buffer pool that points to a given compressed page. @return buffer block pointing to the compressed page, or NULL */ @@ -818,7 +819,7 @@ buf_pool_contains_zip( } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Checks that all file pages in the buffer chunk are in a replaceable state. @return address of a non-free block, or NULL if all freed */ static @@ -851,7 +852,7 @@ buf_chunk_not_freed( return(NULL); } -/************************************************************************* +/*********************************************************************//** Checks that all blocks in the buffer chunk are in BUF_BLOCK_NOT_USED state. @return TRUE if all freed */ static @@ -879,7 +880,7 @@ buf_chunk_all_free( return(TRUE); } -/************************************************************************ +/********************************************************************//** Frees a chunk of buffer frames. */ static void @@ -917,7 +918,7 @@ buf_chunk_free( os_mem_free_large(chunk->mem, chunk->mem_size); } -/************************************************************************ +/********************************************************************//** Creates the buffer pool. @return own: buf_pool object, NULL if not enough memory or error */ UNIV_INTERN @@ -982,7 +983,7 @@ buf_pool_init(void) return(buf_pool); } -/************************************************************************ +/********************************************************************//** Frees the buffer pool at shutdown. This must not be invoked before freeing all mutexes. */ UNIV_INTERN @@ -1005,7 +1006,7 @@ buf_pool_free(void) buf_pool->n_chunks = 0; } -/************************************************************************ +/********************************************************************//** Drops the adaptive hash index. To prevent a livelock, this function is only to be called while holding btr_search_latch and while btr_search_enabled == FALSE. */ @@ -1086,7 +1087,7 @@ buf_pool_drop_hash_index(void) } while (released_search_latch); } -/************************************************************************ +/********************************************************************//** Relocate a buffer control block. Relocates the block on the LRU list and in buf_pool->page_hash. Does not relocate bpage->list. The caller must take care of relocating bpage->list. */ @@ -1162,7 +1163,7 @@ buf_relocate( HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, dpage); } -/************************************************************************ +/********************************************************************//** Shrinks the buffer pool. */ static void @@ -1313,7 +1314,7 @@ func_exit: btr_search_enable(); } -/************************************************************************ +/********************************************************************//** Rebuild buf_pool->page_hash. */ static void @@ -1410,7 +1411,7 @@ buf_pool_page_hash_rebuild(void) buf_pool_mutex_exit(); } -/************************************************************************ +/********************************************************************//** Resizes the buffer pool. */ UNIV_INTERN void @@ -1467,7 +1468,7 @@ buf_pool_resize(void) buf_pool_page_hash_rebuild(); } -/******************************************************************** +/****************************************************************//** Add watch for the given page to be read in. Caller must have the buffer pool mutex reserved. */ static @@ -1488,7 +1489,7 @@ buf_pool_watch_set( buf_pool->watch_page_no = page_no; } -/******************************************************************** +/****************************************************************//** Stop watching if the marked page is read in. */ UNIV_INTERN void @@ -1504,7 +1505,7 @@ buf_pool_watch_clear(void) buf_pool_mutex_exit(); } -/******************************************************************** +/****************************************************************//** Check if the given page is being watched and has been read to the buffer pool. @return TRUE if the given page is being watched and it has been read in */ @@ -1529,8 +1530,8 @@ buf_pool_watch_occurred( return(ret); } -/************************************************************************ -Moves to the block to the start of the LRU list if there is a danger +/********************************************************************//** +Moves the block to the start of the LRU list if there is a danger that the block would drift out of the buffer pool. */ UNIV_INLINE void @@ -1554,7 +1555,7 @@ buf_block_make_young( } } -/************************************************************************ +/********************************************************************//** Moves a page to the start of the buffer pool LRU list. This high-level function can be used to prevent an important page from from slipping out of the buffer pool. */ @@ -1573,7 +1574,7 @@ buf_page_make_young( buf_pool_mutex_exit(); } -/************************************************************************ +/********************************************************************//** Resets the check_index_page_at_flush field of a page if found in the buffer pool. */ UNIV_INTERN @@ -1596,7 +1597,7 @@ buf_reset_check_index_page_at_flush( buf_pool_mutex_exit(); } -/************************************************************************ +/********************************************************************//** Returns the current state of is_hashed of a page. FALSE if the page is not in the pool. NOTE that this operation does not fix the page in the pool if it is found there. @@ -1627,7 +1628,7 @@ buf_page_peek_if_search_hashed( } #ifdef UNIV_DEBUG_FILE_ACCESSES -/************************************************************************ +/********************************************************************//** Sets file_page_was_freed TRUE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless @@ -1655,7 +1656,7 @@ buf_page_set_file_page_was_freed( return(bpage); } -/************************************************************************ +/********************************************************************//** Sets file_page_was_freed FALSE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless @@ -1684,7 +1685,7 @@ buf_page_reset_file_page_was_freed( } #endif /* UNIV_DEBUG_FILE_ACCESSES */ -/************************************************************************ +/********************************************************************//** Get read access to a compressed page (usually of type FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). The page must be released with buf_page_release_zip(). @@ -1811,7 +1812,7 @@ lookup: return(bpage); } -/************************************************************************ +/********************************************************************//** Initialize some fields of a control block. */ UNIV_INLINE void @@ -1830,7 +1831,7 @@ buf_block_init_low( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Decompress a block. @return TRUE if successful */ UNIV_INTERN @@ -1897,7 +1898,7 @@ buf_zip_decompress( } #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Gets the block to whose frame the pointer is pointing to. @return pointer to block, never NULL */ UNIV_INTERN @@ -1984,7 +1985,7 @@ buf_block_align( return(NULL); } -/************************************************************************ +/********************************************************************//** Find out if a pointer belongs to a buf_block_t. It can be a pointer to the buf_block_t itself or a member of it @return TRUE if ptr belongs to a buf_block_t struct */ @@ -2013,7 +2014,7 @@ buf_pointer_is_block_field( return(FALSE); } -/************************************************************************ +/********************************************************************//** Find out if a buffer block was created by buf_chunk_init(). @return TRUE if "block" has been added to buf_pool->free by buf_chunk_init() */ static @@ -2033,7 +2034,7 @@ buf_block_is_uncompressed( return(buf_pointer_is_block_field((void *)block)); } -/************************************************************************ +/********************************************************************//** This is the general function used to get access to a database page. @return pointer to the block or NULL */ UNIV_INTERN @@ -2376,7 +2377,7 @@ wait_until_unfixed: return(block); } -/************************************************************************ +/********************************************************************//** This is the general function used to get optimistic access to a database page. @return TRUE if success */ @@ -2486,7 +2487,7 @@ buf_page_optimistic_get_func( return(TRUE); } -/************************************************************************ +/********************************************************************//** This is used to get access to a known database page, when no waiting can be done. For example, if a search in an adaptive hash index leads us to this frame. @@ -2574,7 +2575,7 @@ buf_page_get_known_nowait( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Given a tablespace id and page number tries to get that page. If the page is not in the buffer pool it is not loaded and NULL is returned. Suitable for using when holding the kernel mutex. @@ -2655,7 +2656,7 @@ buf_page_try_get_func( return(block); } -/************************************************************************ +/********************************************************************//** Initialize some fields of a control block. */ UNIV_INLINE void @@ -2676,7 +2677,7 @@ buf_page_init_low( #endif /* UNIV_DEBUG_FILE_ACCESSES */ } -/************************************************************************ +/********************************************************************//** Set watch occurred flag. */ UNIV_INTERN void @@ -2695,7 +2696,7 @@ buf_pool_watch_notify( } } -/************************************************************************ +/********************************************************************//** Inits a page to the buffer buf_pool. */ static void @@ -2760,7 +2761,7 @@ buf_page_init( buf_page_address_fold(space, offset), &block->page); } -/************************************************************************ +/********************************************************************//** Function which inits a page for read to the buffer buf_pool. If the page is (1) already in buf_pool, or (2) if we specify to read only ibuf pages and the page is not an ibuf page, or @@ -2969,7 +2970,7 @@ func_exit: return(bpage); } -/************************************************************************ +/********************************************************************//** Initializes a page to the buffer buf_pool. The page is usually not read from a file even if it cannot be found in the buffer buf_pool. This is one of the functions which perform to a block a state transition NOT_USED => @@ -3111,7 +3112,7 @@ buf_page_create( return(block); } -/************************************************************************ +/********************************************************************//** Completes an asynchronous read or write request of a file page to or from the buffer pool. */ UNIV_INTERN @@ -3323,7 +3324,7 @@ corrupt: buf_pool_mutex_exit(); } -/************************************************************************* +/*********************************************************************//** Invalidates the file pages in the buffer pool when an archive recovery is completed. All the file pages buffered must be in a replaceable state when this function is called: not latched and not modified. */ @@ -3351,7 +3352,7 @@ buf_pool_invalidate(void) } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************* +/*********************************************************************//** Validates the buffer buf_pool data structure. @return TRUE */ UNIV_INTERN @@ -3575,7 +3576,7 @@ buf_validate(void) #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************* +/*********************************************************************//** Prints info of the buffer buf_pool data structure. */ UNIV_INTERN void @@ -3688,7 +3689,7 @@ buf_print(void) #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Returns the number of latched pages in the buffer pool. @return number of latched pages */ UNIV_INTERN @@ -3777,7 +3778,7 @@ buf_get_latched_pages_number(void) } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Returns the number of pending buf pool ios. @return number of pending I/O operations */ UNIV_INTERN @@ -3791,7 +3792,7 @@ buf_get_n_pending_ios(void) + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); } -/************************************************************************* +/*********************************************************************//** Returns the ratio in percents of modified pages in the buffer pool / database pages in the buffer pool. @return modified page percentage ratio */ @@ -3815,7 +3816,7 @@ buf_get_modified_ratio_pct(void) return(ratio); } -/************************************************************************* +/*********************************************************************//** Prints info of the buffer i/o. */ UNIV_INTERN void @@ -3898,7 +3899,7 @@ buf_print_io( buf_pool_mutex_exit(); } -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void @@ -3912,7 +3913,7 @@ buf_refresh_io_stats(void) buf_pool->n_pages_written_old = buf_pool->n_pages_written; } -/************************************************************************* +/*********************************************************************//** Asserts that all file pages in the buffer are in a replaceable state. @return TRUE */ UNIV_INTERN @@ -3947,7 +3948,7 @@ buf_all_freed(void) return(TRUE); } -/************************************************************************* +/*********************************************************************//** Checks that there currently are no pending i/o-operations for the buffer pool. @return TRUE if there is no pending i/o */ @@ -3973,7 +3974,7 @@ buf_pool_check_no_pending_io(void) return(ret); } -/************************************************************************* +/*********************************************************************//** Gets the current length of the free list of buffer blocks. @return length of the free list */ UNIV_INTERN @@ -3992,7 +3993,7 @@ buf_get_free_list_len(void) return(len); } #else /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ UNIV_INTERN void diff --git a/buf/buf0flu.c b/buf/buf0flu.c index adc1050a26f..ec776046164 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file buf/buf0flu.c The database buffer buf_pool flush algorithm Created 11/11/1995 Heikki Tuuri @@ -44,7 +45,7 @@ Created 11/11/1995 Heikki Tuuri #include "trx0sys.h" #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/********************************************************************** +/******************************************************************//** Validates the flush list. @return TRUE if ok */ static @@ -53,7 +54,7 @@ buf_flush_validate_low(void); /*========================*/ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -/********************************************************************** +/******************************************************************//** Insert a block in the flush_rbt and returns a pointer to its predecessor or NULL if no predecessor. The ordering is maintained on the basis of the key. @@ -85,7 +86,7 @@ buf_flush_insert_in_flush_rbt( return(prev); } -/************************************************************* +/*********************************************************//** Delete a bpage from the flush_rbt. */ static void @@ -101,7 +102,7 @@ buf_flush_delete_from_flush_rbt( ut_ad(ret); } -/********************************************************************* +/*****************************************************************//** Compare two modified blocks in the buffer pool. The key for comparison is: key = @@ -149,7 +150,7 @@ buf_flush_block_cmp( return(ret ? ret : (int)(b2->offset - b1->offset)); } -/************************************************************************ +/********************************************************************//** Initialize the red-black tree to speed up insertions into the flush_list during recovery process. Should be called at the start of recovery process before any page has been read/written. */ @@ -166,7 +167,7 @@ buf_flush_init_flush_rbt(void) buf_pool_mutex_exit(); } -/************************************************************************ +/********************************************************************//** Frees up the red-black tree. */ UNIV_INTERN void @@ -185,7 +186,7 @@ buf_flush_free_flush_rbt(void) buf_pool_mutex_exit(); } -/************************************************************************ +/********************************************************************//** Inserts a modified block into the flush list. */ UNIV_INTERN void @@ -218,7 +219,7 @@ buf_flush_insert_into_flush_list( #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ } -/************************************************************************ +/********************************************************************//** Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not necessarily come in the order of lsn's. */ @@ -276,7 +277,7 @@ buf_flush_insert_sorted_into_flush_list( #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ } -/************************************************************************ +/********************************************************************//** Returns TRUE if the file page block is immediately suitable for replacement, i.e., the transition FILE_PAGE => NOT_USED allowed. @return TRUE if can replace immediately */ @@ -309,7 +310,7 @@ buf_flush_ready_for_replace( return(FALSE); } -/************************************************************************ +/********************************************************************//** Returns TRUE if the block is modified and ready for flushing. @return TRUE if can flush immediately */ UNIV_INLINE @@ -346,7 +347,7 @@ buf_flush_ready_for_flush( return(FALSE); } -/************************************************************************ +/********************************************************************//** Remove a block from the flush list of modified blocks. */ UNIV_INTERN void @@ -393,7 +394,7 @@ buf_flush_remove( ut_ad(ut_list_node_313->in_flush_list))); } -/*********************************************************************** +/*******************************************************************//** Relocates a buffer control block on the flush_list. Note that it is assumed that the contents of bpage has already been copied to dpage. */ @@ -450,7 +451,7 @@ buf_flush_relocate_on_flush_list( #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ } -/************************************************************************ +/********************************************************************//** Updates the flush system data structures when a write is completed. */ UNIV_INTERN void @@ -488,7 +489,7 @@ buf_flush_write_complete( } } -/************************************************************************ +/********************************************************************//** Flushes possible buffered writes from the doublewrite memory buffer to disk, and also wakes up the aio thread if simulated aio is used. It is very important to call this function after a batch of writes has been posted, @@ -735,7 +736,7 @@ flush: mutex_exit(&(trx_doublewrite->mutex)); } -/************************************************************************ +/********************************************************************//** Posts a buffer page for writing. If the doublewrite memory buffer is full, calls buf_flush_buffered_writes and waits for for free space to appear. */ @@ -795,7 +796,7 @@ try_again: } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Initializes a page for writing to the tablespace. */ UNIV_INTERN void @@ -874,7 +875,7 @@ buf_flush_init_for_writing( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Does an asynchronous write of a buffer page. NOTE: in simulated aio and also when the doublewrite buffer is used, we must call buf_flush_buffered_writes after we have posted a batch of writes! */ @@ -962,7 +963,7 @@ buf_flush_write_block_low( } } -/************************************************************************ +/********************************************************************//** Writes a flushable page asynchronously from the buffer pool to a file. NOTE: in simulated aio we must call os_aio_simulated_wake_handler_threads after we have posted a batch of @@ -1076,7 +1077,7 @@ buf_flush_page( buf_flush_write_block_low(bpage); } -/*************************************************************** +/***********************************************************//** Flushes to disk all flushable pages within the flush area. @return number of pages flushed */ static @@ -1167,13 +1168,14 @@ buf_flush_try_neighbors( return(count); } -/*********************************************************************** +/*******************************************************************//** This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to pages: to avoid deadlocks, this function must be written so that it cannot end up waiting for these latches! NOTE 2: in the case of a flush list flush, the calling thread is not allowed to own any latches on pages! -@return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ UNIV_INTERN ulint buf_flush_batch( @@ -1322,7 +1324,7 @@ flush_next: return(page_count); } -/********************************************************************** +/******************************************************************//** Waits until a flush batch of the given type ends */ UNIV_INTERN void @@ -1335,11 +1337,12 @@ buf_flush_wait_batch_end( os_event_wait(buf_pool->no_flush[type]); } -/********************************************************************** +/******************************************************************//** Gives a recommendation of how many blocks should be flushed to establish a big enough margin of replaceable blocks near the end of the LRU list and in the free list. -@return number of blocks which should be flushed from the end of the LRU list */ +@return number of blocks which should be flushed from the end of the +LRU list */ static ulint buf_flush_LRU_recommendation(void) @@ -1386,7 +1389,7 @@ buf_flush_LRU_recommendation(void) - n_replaceable); } -/************************************************************************* +/*********************************************************************//** Flushes pages from the end of the LRU list if there is too small a margin of replaceable pages there or in the free list. VERY IMPORTANT: this function is called also by threads which have locks on pages. To avoid deadlocks, we @@ -1414,7 +1417,7 @@ buf_flush_free_margin(void) } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/********************************************************************** +/******************************************************************//** Validates the flush list. @return TRUE if ok */ static @@ -1464,7 +1467,7 @@ buf_flush_validate_low(void) return(TRUE); } -/********************************************************************** +/******************************************************************//** Validates the flush list. @return TRUE if ok */ UNIV_INTERN diff --git a/buf/buf0lru.c b/buf/buf0lru.c index e1757c842cb..504684a3489 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file buf/buf0lru.c The database buffer replacement algorithm Created 11/5/1995 Heikki Tuuri @@ -48,7 +49,7 @@ Created 11/5/1995 Heikki Tuuri #include "log0recv.h" #include "srv0srv.h" -/* The number of blocks from the LRU_old pointer onward, including the block +/** The number of blocks from the LRU_old pointer onward, including the block pointed to, must be 3/8 of the whole LRU list length, except that the tolerance defined below is allowed. Note that the tolerance must be small enough such that for even the BUF_LRU_OLD_MIN_LEN long LRU list, the @@ -56,21 +57,21 @@ LRU_old pointer is not allowed to point to either end of the LRU list. */ #define BUF_LRU_OLD_TOLERANCE 20 -/* The whole LRU list length is divided by this number to determine an +/** The whole LRU list length is divided by this number to determine an initial segment in buf_LRU_get_recent_limit */ #define BUF_LRU_INITIAL_RATIO 8 -/* When dropping the search hash index entries before deleting an ibd +/** When dropping the search hash index entries before deleting an ibd file, we build a local array of pages belonging to that tablespace in the buffer pool. Following is the size of that array. */ #define BUF_LRU_DROP_SEARCH_HASH_SIZE 1024 -/* If we switch on the InnoDB monitor because there are too few available +/** If we switch on the InnoDB monitor because there are too few available frames in the buffer pool, we set this to TRUE */ -UNIV_INTERN ibool buf_lru_switched_on_innodb_mon = FALSE; +static ibool buf_lru_switched_on_innodb_mon = FALSE; -/********************************************************************** +/******************************************************************//** These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O and page_zip_decompress() operations. Based on the statistics, buf_LRU_evict_from_unzip_LRU() decides if we want to evict from @@ -79,30 +80,34 @@ uncompressed frame (meaning we can evict dirty blocks as well). From the regular LRU, we will evict the entire block (i.e.: both the uncompressed and compressed data), which must be clean. */ -/* Number of intervals for which we keep the history of these stats. +/* @{ */ + +/** Number of intervals for which we keep the history of these stats. Each interval is 1 second, defined by the rate at which srv_error_monitor_thread() calls buf_LRU_stat_update(). */ #define BUF_LRU_STAT_N_INTERVAL 50 -/* Co-efficient with which we multiply I/O operations to equate them +/** Co-efficient with which we multiply I/O operations to equate them with page_zip_decompress() operations. */ #define BUF_LRU_IO_TO_UNZIP_FACTOR 50 -/* Sampled values buf_LRU_stat_cur. +/** Sampled values buf_LRU_stat_cur. Protected by buf_pool_mutex. Updated by buf_LRU_stat_update(). */ static buf_LRU_stat_t buf_LRU_stat_arr[BUF_LRU_STAT_N_INTERVAL]; -/* Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ +/** Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ static ulint buf_LRU_stat_arr_ind; -/* Current operation counters. Not protected by any mutex. Cleared +/** Current operation counters. Not protected by any mutex. Cleared by buf_LRU_stat_update(). */ UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_cur; -/* Running sum of past values of buf_LRU_stat_cur. +/** Running sum of past values of buf_LRU_stat_cur. Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; -/********************************************************************** +/* @} */ + +/******************************************************************//** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), the object will be freed and buf_pool_zip_mutex will be released. @@ -110,7 +115,8 @@ the object will be freed and buf_pool_zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be relocated. -@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state +was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ static enum buf_page_state buf_LRU_block_remove_hashed_page( @@ -120,7 +126,7 @@ buf_LRU_block_remove_hashed_page( may or may not be a hash index to the page */ ibool zip); /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ -/********************************************************************** +/******************************************************************//** Puts a file page whose has no hash index to the free list. */ static void @@ -129,7 +135,7 @@ buf_LRU_block_free_hashed_page( buf_block_t* block); /*!< in: block, must contain a file page and be in a state where it can be freed */ -/********************************************************************** +/******************************************************************//** Determines if the unzip_LRU list should be used for evicting a victim instead of the general LRU list. @return TRUE if should use unzip_LRU */ @@ -176,7 +182,7 @@ buf_LRU_evict_from_unzip_LRU(void) return(unzip_avg <= io_avg * BUF_LRU_IO_TO_UNZIP_FACTOR); } -/********************************************************************** +/******************************************************************//** Attempts to drop page hash index on a batch of pages belonging to a particular space id. */ static @@ -200,7 +206,7 @@ buf_LRU_drop_page_hash_batch( } } -/********************************************************************** +/******************************************************************//** When doing a DROP TABLE/DISCARD TABLESPACE we have to drop all page hash index entries belonging to that table. This function tries to do that in batch. Note that this is a 'best effort' attempt and does @@ -303,7 +309,7 @@ next_page: ut_free(page_arr); } -/********************************************************************** +/******************************************************************//** Invalidates all pages belonging to a given tablespace when we are deleting the data file(s) of that tablespace. */ UNIV_INTERN @@ -422,7 +428,7 @@ next_page: } } -/********************************************************************** +/******************************************************************//** Gets the minimum LRU_position field for the blocks in an initial segment (determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not guaranteed to be precise, because the ulint_clock may wrap around. @@ -457,7 +463,7 @@ buf_LRU_get_recent_limit(void) return(limit); } -/************************************************************************ +/********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN void @@ -489,7 +495,7 @@ buf_LRU_insert_zip_clean( } } -/********************************************************************** +/******************************************************************//** Try to free an uncompressed page of a compressed block from the unzip LRU list. The compressed page is preserved, and it need not be clean. @return TRUE if freed */ @@ -561,7 +567,7 @@ buf_LRU_free_from_unzip_LRU_list( return(FALSE); } -/********************************************************************** +/******************************************************************//** Try to free a clean page from the common LRU list. @return TRUE if freed */ UNIV_INLINE @@ -620,7 +626,7 @@ buf_LRU_free_from_common_LRU_list( return(FALSE); } -/********************************************************************** +/******************************************************************//** Try to free a replaceable block. @return TRUE if found and freed */ UNIV_INTERN @@ -657,7 +663,7 @@ buf_LRU_search_and_free_block( return(freed); } -/********************************************************************** +/******************************************************************//** Tries to remove LRU flushed blocks from the end of the LRU list and put them to the free list. This is beneficial for the efficiency of the insert buffer operation, as flushed pages from non-unique non-clustered indexes are here @@ -684,7 +690,7 @@ buf_LRU_try_free_flushed_blocks(void) buf_pool_mutex_exit(); } -/********************************************************************** +/******************************************************************//** Returns TRUE if less than 25 % of the buffer pool is available. This can be used in heuristics to prevent huge transactions eating up the whole buffer pool for their locks. @@ -709,7 +715,7 @@ buf_LRU_buf_pool_running_out(void) return(ret); } -/********************************************************************** +/******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, returns NULL. @return a free control block, or NULL if the buf_block->free list is empty */ @@ -743,7 +749,7 @@ buf_LRU_get_free_only(void) return(block); } -/********************************************************************** +/******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, blocks are moved from the end of the LRU list to the free list. @@ -933,7 +939,7 @@ loop: goto loop; } -/*********************************************************************** +/*******************************************************************//** Moves the LRU_old pointer so that the length of the old blocks list is inside the allowed limits. */ UNIV_INLINE @@ -993,7 +999,7 @@ buf_LRU_old_adjust_len(void) } } -/*********************************************************************** +/*******************************************************************//** Initializes the old blocks pointer in the LRU list. This function should be called when the LRU list grows to BUF_LRU_OLD_MIN_LEN length. */ static @@ -1024,7 +1030,7 @@ buf_LRU_old_init(void) buf_LRU_old_adjust_len(); } -/********************************************************************** +/******************************************************************//** Remove a block from the unzip_LRU list if it belonged to the list. */ static void @@ -1047,7 +1053,7 @@ buf_unzip_LRU_remove_block_if_needed( } } -/********************************************************************** +/******************************************************************//** Removes a block from the LRU list. */ UNIV_INLINE void @@ -1108,7 +1114,7 @@ buf_LRU_remove_block( buf_LRU_old_adjust_len(); } -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list of decompressed zip pages. */ UNIV_INTERN void @@ -1134,7 +1140,7 @@ buf_unzip_LRU_add_block( } } -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list end. */ UNIV_INLINE void @@ -1192,7 +1198,7 @@ buf_LRU_add_block_to_end_low( } } -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list. */ UNIV_INLINE void @@ -1264,7 +1270,7 @@ buf_LRU_add_block_low( } } -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list. */ UNIV_INTERN void @@ -1280,7 +1286,7 @@ buf_LRU_add_block( buf_LRU_add_block_low(bpage, old); } -/********************************************************************** +/******************************************************************//** Moves a block to the start of the LRU list. */ UNIV_INTERN void @@ -1292,7 +1298,7 @@ buf_LRU_make_block_young( buf_LRU_add_block_low(bpage, FALSE); } -/********************************************************************** +/******************************************************************//** Moves a block to the end of the LRU list. */ UNIV_INTERN void @@ -1304,7 +1310,7 @@ buf_LRU_make_block_old( buf_LRU_add_block_to_end_low(bpage); } -/********************************************************************** +/******************************************************************//** Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. @@ -1315,7 +1321,8 @@ accessible via bpage. The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. -@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or BUF_LRU_NOT_FREED otherwise. */ +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or +BUF_LRU_NOT_FREED otherwise. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( @@ -1549,7 +1556,7 @@ alloc: return(BUF_LRU_FREED); } -/********************************************************************** +/******************************************************************//** Puts a block back to the free list. */ UNIV_INTERN void @@ -1607,7 +1614,7 @@ buf_LRU_block_free_non_file_page( UNIV_MEM_ASSERT_AND_FREE(block->frame, UNIV_PAGE_SIZE); } -/********************************************************************** +/******************************************************************//** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), the object will be freed and buf_pool_zip_mutex will be released. @@ -1615,7 +1622,8 @@ the object will be freed and buf_pool_zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be relocated. -@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state +was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ static enum buf_page_state buf_LRU_block_remove_hashed_page( @@ -1803,7 +1811,7 @@ buf_LRU_block_remove_hashed_page( return(BUF_BLOCK_ZIP_FREE); } -/********************************************************************** +/******************************************************************//** Puts a file page whose has no hash index to the free list. */ static void @@ -1820,7 +1828,7 @@ buf_LRU_block_free_hashed_page( buf_LRU_block_free_non_file_page(block); } -/************************************************************************ +/********************************************************************//** Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ UNIV_INTERN @@ -1857,7 +1865,7 @@ func_exit: } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Validates the LRU list. @return TRUE */ UNIV_INTERN @@ -1961,7 +1969,7 @@ buf_LRU_validate(void) #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Prints the LRU list. */ UNIV_INTERN void diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 539ecb976e5..158b099abc6 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file buf/buf0rea.c The database buffer read Created 11/5/1995 Heikki Tuuri @@ -35,36 +36,36 @@ Created 11/5/1995 Heikki Tuuri #include "trx0sys.h" #include "os0file.h" #include "srv0start.h" +#include "srv0srv.h" -extern ulint srv_read_ahead_rnd; -extern ulint srv_read_ahead_seq; -extern ulint srv_buf_pool_reads; - -/* The size in blocks of the area where the random read-ahead algorithm counts +/** The size in blocks of the area where the random read-ahead algorithm counts the accessed pages when deciding whether to read-ahead */ #define BUF_READ_AHEAD_RANDOM_AREA BUF_READ_AHEAD_AREA -/* There must be at least this many pages in buf_pool in the area to start +/** There must be at least this many pages in buf_pool in the area to start a random read-ahead */ #define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + buf_read_ahead_random_area / 8) -/* The linear read-ahead area size */ +/** The linear read-ahead area size */ #define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA -/* The linear read-ahead threshold */ +/** The linear read-ahead threshold */ #define LINEAR_AREA_THRESHOLD_COEF 5 / 8 -/* If there are buf_pool->curr_size per the number below pending reads, then +/** If there are buf_pool->curr_size per the number below pending reads, then read-ahead is not done: this is to prevent flooding the buffer pool with i/o-fixed buffer blocks */ #define BUF_READ_AHEAD_PEND_LIMIT 2 -/************************************************************************ +/********************************************************************//** Low-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there, in which case does nothing. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock released by an i/o-handler thread. -@return 1 if a read request was queued, 0 if the page already resided in buf_pool, or if the page is in the doublewrite buffer blocks in which case it is never read into the pool, or if the tablespace does not exist or is being dropped */ +@return 1 if a read request was queued, 0 if the page already resided +in buf_pool, or if the page is in the doublewrite buffer blocks in +which case it is never read into the pool, or if the tablespace does +not exist or is being dropped */ static ulint buf_read_page_low( @@ -166,7 +167,7 @@ buf_read_page_low( return(1); } -/************************************************************************ +/********************************************************************//** Applies a random read-ahead in buf_pool if there are at least a threshold value of accessed pages from the random read-ahead area. Does not read any page, not even the one at the position (space, offset), if the read-ahead @@ -176,7 +177,9 @@ end up waiting for these latches! NOTE 2: the calling thread must want access to the page given: this rule is set to prevent unintended read-aheads performed by ibuf routines, a situation which could result in a deadlock if the OS does not support asynchronous i/o. -@return number of page read requests issued; NOTE that if we read ibuf pages, it may happen that the page at the given page number does not get read even if we return a value > 0! */ +@return number of page read requests issued; NOTE that if we read ibuf +pages, it may happen that the page at the given page number does not +get read even if we return a positive value! */ static ulint buf_read_ahead_random( @@ -320,13 +323,14 @@ read_ahead: return(count); } -/************************************************************************ +/********************************************************************//** High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock released by the i/o-handler thread. Does a random read-ahead if it seems sensible. -@return number of page read requests issued: this can be > 1 if read-ahead occurred */ +@return number of page read requests issued: this can be greater than +1 if read-ahead occurred */ UNIV_INTERN ulint buf_read_page( @@ -370,7 +374,7 @@ buf_read_page( return(count + count2); } -/************************************************************************ +/********************************************************************//** Applies linear read-ahead if in the buf_pool the page is a border page of a linear read-ahead area and all the pages in the area have been accessed. Does not read any page if the read-ahead mechanism is not activated. Note @@ -637,7 +641,7 @@ buf_read_ahead_linear( return(count); } -/************************************************************************ +/********************************************************************//** Issues read requests for pages which the ibuf module wants to read in, in order to contract the insert buffer tree. Technically, this function is like a read-ahead function. */ @@ -715,7 +719,7 @@ tablespace_deleted: #endif /* UNIV_DEBUG */ } -/************************************************************************ +/********************************************************************//** Issues read requests for pages which recovery wants to read in. */ UNIV_INTERN void diff --git a/data/data0data.c b/data/data0data.c index b3a31a546c4..e3c1f1b4f23 100644 --- a/data/data0data.c +++ b/data/data0data.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file data/data0data.c SQL data field and tuple Created 5/30/1994 Heikki Tuuri @@ -40,18 +41,19 @@ Created 5/30/1994 Heikki Tuuri #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/* data pointers of tuple fields are initialized to point here -for error checking */ +/** Dummy variable to catch access to uninitialized fields. In the +debug version, dtuple_create() will make all fields of dtuple_t point +to data_error. */ UNIV_INTERN byte data_error; # ifndef UNIV_DEBUG_VALGRIND -/* this is used to fool the compiler in dtuple_validate */ +/** this is used to fool the compiler in dtuple_validate */ UNIV_INTERN ulint data_dummy; # endif /* !UNIV_DEBUG_VALGRIND */ #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Tests if dfield data length and content is equal to the given. @return TRUE if equal */ UNIV_INTERN @@ -80,9 +82,10 @@ dfield_data_is_binary_equal( return(TRUE); } -/**************************************************************** +/************************************************************//** Compare two data tuples, respecting the collation of character fields. -@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, than tuple2 */ +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, +than tuple2 */ UNIV_INTERN int dtuple_coll_cmp( @@ -121,7 +124,7 @@ dtuple_coll_cmp( return(0); } -/************************************************************************* +/*********************************************************************//** Sets number of fields used in a tuple. Normally this is set in dtuple_create, but if you want later to set it smaller, you can use this. */ UNIV_INTERN @@ -137,7 +140,7 @@ dtuple_set_n_fields( tuple->n_fields_cmp = n_fields; } -/************************************************************** +/**********************************************************//** Checks that a data field is typed. @return TRUE if ok */ static @@ -159,7 +162,7 @@ dfield_check_typed_no_assert( return(TRUE); } -/************************************************************** +/**********************************************************//** Checks that a data tuple is typed. @return TRUE if ok */ UNIV_INTERN @@ -197,7 +200,7 @@ dump: #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************** +/**********************************************************//** Checks that a data field is typed. Asserts an error if not. @return TRUE if ok */ UNIV_INTERN @@ -220,7 +223,7 @@ dfield_check_typed( return(TRUE); } -/************************************************************** +/**********************************************************//** Checks that a data tuple is typed. Asserts an error if not. @return TRUE if ok */ UNIV_INTERN @@ -242,7 +245,7 @@ dtuple_check_typed( return(TRUE); } -/************************************************************** +/**********************************************************//** Validates the consistency of a tuple which must be complete, i.e, all fields must have been set. @return TRUE if ok */ @@ -295,7 +298,7 @@ dtuple_validate( #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Pretty prints a dfield value according to its data type. */ UNIV_INTERN void @@ -337,7 +340,7 @@ dfield_print( } } -/***************************************************************** +/*************************************************************//** Pretty prints a dfield value according to its data type. Also the hex string is printed if a string contains non-printable characters. */ UNIV_INTERN @@ -509,7 +512,7 @@ print_hex: } } -/***************************************************************** +/*************************************************************//** Print a dfield value using ut_print_buf. */ static void @@ -532,7 +535,7 @@ dfield_print_raw( } } -/************************************************************** +/**********************************************************//** The following function prints the contents of a tuple. */ UNIV_INTERN void @@ -560,12 +563,14 @@ dtuple_print( ut_ad(dtuple_validate(tuple)); } -/****************************************************************** +/**************************************************************//** Moves parts of long fields in entry to the big record vector so that the size of tuple drops below the maximum record size allowed in the database. Moves data only from those fields which are not necessary to determine uniquely the insertion place of the tuple in the index. -@return own: created big record vector, NULL if we are not able to shorten the entry enough, i.e., if there are too many fixed-length or short fields in entry or the index is clustered */ +@return own: created big record vector, NULL if we are not able to +shorten the entry enough, i.e., if there are too many fixed-length or +short fields in entry or the index is clustered */ UNIV_INTERN big_rec_t* dtuple_convert_big_rec( @@ -719,7 +724,7 @@ skip_field: return(vector); } -/****************************************************************** +/**************************************************************//** Puts back to entry the data stored in vector. Note that to ensure the fields in entry can accommodate the data, vector must have been created from entry with dtuple_convert_big_rec. */ diff --git a/data/data0type.c b/data/data0type.c index 8a35e4021b9..8429775e7d8 100644 --- a/data/data0type.c +++ b/data/data0type.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file data/data0type.c Data types Created 1/16/1996 Heikki Tuuri @@ -38,7 +39,7 @@ charset-collation code for them. */ UNIV_INTERN ulint data_mysql_default_charset_coll; -/************************************************************************* +/*********************************************************************//** Determine how many bytes the first n characters of the given string occupy. If the string is shorter than n characters, returns the number of bytes the characters in the string occupy. @@ -79,7 +80,7 @@ dtype_get_at_most_n_mbchars( } #endif /* UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Checks if a data main type is a string type. Also a BLOB is considered a string type. @return TRUE if string type */ @@ -99,7 +100,7 @@ dtype_is_string_type( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Checks if a type is a binary string type. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For those DATA_BLOB columns this function currently returns FALSE. @@ -121,7 +122,7 @@ dtype_is_binary_string_type( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Checks if a type is a non-binary string type. That is, dtype_is_string_type is TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. @@ -143,9 +144,10 @@ dtype_is_non_binary_string_type( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Forms a precise type from the < 4.1.2 format precise type plus the -charset-collation code. */ +charset-collation code. +@return precise type, including the charset-collation code */ UNIV_INTERN ulint dtype_form_prtype( @@ -160,7 +162,7 @@ dtype_form_prtype( return(old_prtype + (charset_coll << 16)); } -/************************************************************************* +/*********************************************************************//** Validates a data type structure. @return TRUE if ok */ UNIV_INTERN @@ -185,7 +187,7 @@ dtype_validate( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Prints a data type structure. */ UNIV_INTERN void diff --git a/dict/dict0boot.c b/dict/dict0boot.c index 670f86fcd08..e55de30481b 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file dict/dict0boot.c Data dictionary creation and booting Created 4/18/1996 Heikki Tuuri @@ -39,7 +40,7 @@ Created 4/18/1996 Heikki Tuuri #include "log0recv.h" #include "os0file.h" -/************************************************************************** +/**********************************************************************//** Gets a pointer to the dictionary header and x-latches its page. @return pointer to the dictionary header, page x-latched */ UNIV_INTERN @@ -60,7 +61,7 @@ dict_hdr_get( return(header); } -/************************************************************************** +/**********************************************************************//** Returns a new table, index, or tree id. @return the new id */ UNIV_INTERN @@ -89,7 +90,7 @@ dict_hdr_get_new_id( return(id); } -/************************************************************************** +/**********************************************************************//** Writes the current value of the row id counter to the dictionary header file page. */ UNIV_INTERN @@ -114,7 +115,7 @@ dict_hdr_flush_row_id(void) mtr_commit(&mtr); } -/********************************************************************* +/*****************************************************************//** Creates the file page for the dictionary header. This function is called only at the database creation. @return TRUE if succeed */ @@ -217,7 +218,7 @@ dict_hdr_create( return(TRUE); } -/********************************************************************* +/*****************************************************************//** Initializes the data dictionary memory structures when the database is started. This function is also called when the data dictionary is created. */ UNIV_INTERN @@ -429,7 +430,7 @@ dict_boot(void) mutex_exit(&(dict_sys->mutex)); } -/********************************************************************* +/*****************************************************************//** Inserts the basic system table data into themselves in the database creation. */ static @@ -440,7 +441,7 @@ dict_insert_initial_data(void) /* Does nothing yet */ } -/********************************************************************* +/*****************************************************************//** Creates and initializes the data dictionary at the database creation. */ UNIV_INTERN void diff --git a/dict/dict0crea.c b/dict/dict0crea.c index c4d39f837df..7bad4d2057e 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file dict/dict0crea.c Database object creation Created 1/8/1996 Heikki Tuuri @@ -42,7 +43,7 @@ Created 1/8/1996 Heikki Tuuri #include "usr0sess.h" #include "ut0vec.h" -/********************************************************************* +/*****************************************************************//** Based on a table object, this function builds the entry to be inserted in the SYS_TABLES system table. @return the tuple which should be inserted */ @@ -134,7 +135,7 @@ dict_create_sys_tables_tuple( return(entry); } -/********************************************************************* +/*****************************************************************//** Based on a table object, this function builds the entry to be inserted in the SYS_COLUMNS system table. @return the tuple which should be inserted */ @@ -216,7 +217,7 @@ dict_create_sys_columns_tuple( return(entry); } -/******************************************************************* +/***************************************************************//** Builds a table definition to insert. @return DB_SUCCESS or error code */ static @@ -295,7 +296,7 @@ dict_build_table_def_step( return(DB_SUCCESS); } -/******************************************************************* +/***************************************************************//** Builds a column definition to insert. @return DB_SUCCESS */ static @@ -313,7 +314,7 @@ dict_build_col_def_step( return(DB_SUCCESS); } -/********************************************************************* +/*****************************************************************//** Based on an index object, this function builds the entry to be inserted in the SYS_INDEXES system table. @return the tuple which should be inserted */ @@ -403,7 +404,7 @@ dict_create_sys_indexes_tuple( return(entry); } -/********************************************************************* +/*****************************************************************//** Based on an index object, this function builds the entry to be inserted in the SYS_FIELDS system table. @return the tuple which should be inserted */ @@ -479,7 +480,7 @@ dict_create_sys_fields_tuple( return(entry); } -/********************************************************************* +/*****************************************************************//** Creates the tuple with which the index entry is searched for writing the index tree root page number, if such a tree is created. @return the tuple for search */ @@ -515,7 +516,7 @@ dict_create_search_tuple( return(search_tuple); } -/******************************************************************* +/***************************************************************//** Builds an index definition row to insert. @return DB_SUCCESS or error code */ static @@ -567,7 +568,7 @@ dict_build_index_def_step( return(DB_SUCCESS); } -/******************************************************************* +/***************************************************************//** Builds a field definition row to insert. @return DB_SUCCESS */ static @@ -588,7 +589,7 @@ dict_build_field_def_step( return(DB_SUCCESS); } -/******************************************************************* +/***************************************************************//** Creates an index tree for the index if it is not a member of a cluster. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static @@ -645,7 +646,7 @@ dict_create_index_tree_step( return(DB_SUCCESS); } -/*********************************************************************** +/*******************************************************************//** Drops the index tree associated with a row in SYS_INDEXES table. */ UNIV_INTERN void @@ -708,7 +709,7 @@ dict_drop_index_tree( FIL_NULL, mtr); } -/*********************************************************************** +/*******************************************************************//** Truncates the index tree associated with a row in SYS_INDEXES table. @return new root page number, or FIL_NULL on failure */ UNIV_INTERN @@ -843,7 +844,7 @@ create: return(FIL_NULL); } -/************************************************************************* +/*********************************************************************//** Creates a table create graph. @return own: table create node */ UNIV_INTERN @@ -879,7 +880,7 @@ tab_create_graph_create( return(node); } -/************************************************************************* +/*********************************************************************//** Creates an index create graph. @return own: index create node */ UNIV_INTERN @@ -916,7 +917,7 @@ ind_create_graph_create( return(node); } -/*************************************************************** +/***********************************************************//** Creates a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ UNIV_INTERN @@ -1022,7 +1023,7 @@ function_exit: return(thr); } -/*************************************************************** +/***********************************************************//** Creates an index. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -1153,7 +1154,7 @@ function_exit: return(thr); } -/******************************************************************** +/****************************************************************//** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are not of the right form. @@ -1274,7 +1275,7 @@ dict_create_or_check_foreign_constraint_tables(void) return(error); } -/******************************************************************** +/****************************************************************//** Evaluate the given foreign key SQL statement. @return error code or DB_SUCCESS */ static @@ -1339,7 +1340,7 @@ dict_foreign_eval_sql( return(DB_SUCCESS); } -/************************************************************************ +/********************************************************************//** Add a single foreign key field definition to the data dictionary tables in the database. @return error code or DB_SUCCESS */ @@ -1374,7 +1375,7 @@ dict_create_add_foreign_field_to_dictionary( table, foreign, trx)); } -/************************************************************************ +/********************************************************************//** Add a single foreign key definition to the data dictionary tables in the database. We also generate names to constraints that were not named by the user. A generated constraint has a name of the format @@ -1449,7 +1450,7 @@ dict_create_add_foreign_to_dictionary( return(error); } -/************************************************************************ +/********************************************************************//** Adds foreign key definitions to data dictionary tables in the database. @return error code or DB_SUCCESS */ UNIV_INTERN diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 2ff2389e456..1d8ddabd26f 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file dict/dict0dict.c Data dictionary system Created 1/8/1996 Heikki Tuuri @@ -28,9 +29,9 @@ Created 1/8/1996 Heikki Tuuri #include "dict0dict.ic" #endif -/* dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ UNIV_INTERN dict_index_t* dict_ind_redundant; -/* dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ UNIV_INTERN dict_index_t* dict_ind_compact; #ifndef UNIV_HOTBACKUP @@ -56,28 +57,30 @@ UNIV_INTERN dict_index_t* dict_ind_compact; #include -/* the dictionary system */ +/** the dictionary system */ UNIV_INTERN dict_sys_t* dict_sys = NULL; -/* table create, drop, etc. reserve this in X-mode; implicit or +/** @brief the data dictionary rw-latch protecting dict_sys + +table create, drop, etc. reserve this in X-mode; implicit or backround operations purge, rollback, foreign key checks reserve this in S-mode; we cannot trust that MySQL protects implicit or background operations a table drop since MySQL does not know of them; therefore we need this; NOTE: a transaction which reserves this must keep book -on the mode in trx->dict_operation_lock_mode */ +on the mode in trx_struct::dict_operation_lock_mode */ UNIV_INTERN rw_lock_t dict_operation_lock; -#define DICT_HEAP_SIZE 100 /* initial memory heap size when +#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when creating a table or index object */ -#define DICT_POOL_PER_TABLE_HASH 512 /* buffer pool max size per table +#define DICT_POOL_PER_TABLE_HASH 512 /*!< buffer pool max size per table hash table fixed size in bytes */ -#define DICT_POOL_PER_VARYING 4 /* buffer pool max size per data +#define DICT_POOL_PER_VARYING 4 /*!< buffer pool max size per data dictionary varying size in bytes */ -/* Identifies generated InnoDB foreign key names */ +/** Identifies generated InnoDB foreign key names */ static char dict_ibfk[] = "_ibfk_"; -/*********************************************************************** +/*******************************************************************//** Tries to find column names for the index and sets the col field of the index. */ static @@ -86,7 +89,7 @@ dict_index_find_cols( /*=================*/ dict_table_t* table, /*!< in: table */ dict_index_t* index); /*!< in: index */ -/*********************************************************************** +/*******************************************************************//** Builds the internal dictionary cache representation for a clustered index, containing also system fields not defined by the user. @return own: the internal representation of the clustered index */ @@ -97,7 +100,7 @@ dict_index_build_internal_clust( const dict_table_t* table, /*!< in: table */ dict_index_t* index); /*!< in: user representation of a clustered index */ -/*********************************************************************** +/*******************************************************************//** Builds the internal dictionary cache representation for a non-clustered index, containing also system fields not defined by the user. @return own: the internal representation of the non-clustered index */ @@ -108,14 +111,14 @@ dict_index_build_internal_non_clust( const dict_table_t* table, /*!< in: table */ dict_index_t* index); /*!< in: user representation of a non-clustered index */ -/************************************************************************** +/**********************************************************************//** Removes a foreign constraint struct from the dictionary cache. */ static void dict_foreign_remove_from_cache( /*===========================*/ dict_foreign_t* foreign); /*!< in, own: foreign constraint */ -/************************************************************************** +/**********************************************************************//** Prints a column data. */ static void @@ -123,21 +126,21 @@ dict_col_print_low( /*===============*/ const dict_table_t* table, /*!< in: table */ const dict_col_t* col); /*!< in: column */ -/************************************************************************** +/**********************************************************************//** Prints an index data. */ static void dict_index_print_low( /*=================*/ dict_index_t* index); /*!< in: index */ -/************************************************************************** +/**********************************************************************//** Prints a field data. */ static void dict_field_print_low( /*=================*/ dict_field_t* field); /*!< in: field */ -/************************************************************************* +/*********************************************************************//** Frees a foreign key struct. */ static void @@ -151,7 +154,7 @@ UNIV_INTERN FILE* dict_foreign_err_file = NULL; /* mutex protecting the foreign and unique error buffers */ UNIV_INTERN mutex_t dict_foreign_err_mutex; -/********************************************************************** +/******************************************************************//** Makes all characters in a NUL-terminated UTF-8 string lower case. */ UNIV_INTERN void @@ -162,7 +165,7 @@ dict_casedn_str( innobase_casedn_str(a); } -/************************************************************************ +/********************************************************************//** Checks if the database name in two table names is the same. @return TRUE if same db name */ UNIV_INTERN @@ -183,7 +186,7 @@ dict_tables_have_same_db( return(FALSE); } -/************************************************************************ +/********************************************************************//** Return the end of table name where we have removed dbname and '/'. @return table name */ UNIV_INTERN @@ -199,7 +202,7 @@ dict_remove_db_name( return(s + 1); } -/************************************************************************ +/********************************************************************//** Get the database name length in a table name. @return database name length */ UNIV_INTERN @@ -215,7 +218,7 @@ dict_get_db_name_len( return(s - name); } -/************************************************************************ +/********************************************************************//** Reserves the dictionary system mutex for MySQL. */ UNIV_INTERN void @@ -225,7 +228,7 @@ dict_mutex_enter_for_mysql(void) mutex_enter(&(dict_sys->mutex)); } -/************************************************************************ +/********************************************************************//** Releases the dictionary system mutex for MySQL. */ UNIV_INTERN void @@ -235,7 +238,7 @@ dict_mutex_exit_for_mysql(void) mutex_exit(&(dict_sys->mutex)); } -/************************************************************************ +/********************************************************************//** Decrements the count of open MySQL handles to a table. */ UNIV_INTERN void @@ -259,9 +262,10 @@ dict_table_decrement_handle_count( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Returns a column's name. -@return column name. NOTE: not guaranteed to stay valid if table is modified in any way (columns added, etc.). */ +@return column name. NOTE: not guaranteed to stay valid if table is +modified in any way (columns added, etc.). */ UNIV_INTERN const char* dict_table_get_col_name( @@ -287,7 +291,7 @@ dict_table_get_col_name( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Acquire the autoinc lock. */ UNIV_INTERN void @@ -298,7 +302,7 @@ dict_table_autoinc_lock( mutex_enter(&table->autoinc_mutex); } -/************************************************************************ +/********************************************************************//** Unconditionally set the autoinc counter. */ UNIV_INTERN void @@ -312,7 +316,7 @@ dict_table_autoinc_initialize( table->autoinc = value; } -/************************************************************************ +/********************************************************************//** Reads the next autoinc value (== autoinc counter value), 0 if not yet initialized. @return value for a new row, or 0 */ @@ -327,7 +331,7 @@ dict_table_autoinc_read( return(table->autoinc); } -/************************************************************************ +/********************************************************************//** Updates the autoinc counter if the value supplied is greater than the current value. */ UNIV_INTERN @@ -346,7 +350,7 @@ dict_table_autoinc_update_if_greater( } } -/************************************************************************ +/********************************************************************//** Release the autoinc lock. */ UNIV_INTERN void @@ -357,7 +361,7 @@ dict_table_autoinc_unlock( mutex_exit(&table->autoinc_mutex); } -/************************************************************************** +/**********************************************************************//** Looks for an index with the given table and index id. NOTE that we do not reserve the dictionary mutex. @return index or NULL if not found from cache */ @@ -386,9 +390,10 @@ dict_index_get_on_id_low( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Looks for column n in an index. -@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ UNIV_INTERN ulint dict_index_get_nth_col_pos( @@ -426,7 +431,7 @@ dict_index_get_nth_col_pos( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Returns TRUE if the index contains a column or a prefix of that column. @return TRUE if contains the column or its prefix */ UNIV_INTERN @@ -465,12 +470,13 @@ dict_index_contains_col_or_prefix( return(FALSE); } -/************************************************************************ +/********************************************************************//** Looks for a matching field in an index. The column has to be the same. The column in index must be complete, or must contain a prefix longer than the column in index2. That is, we must be able to construct the prefix in index2 from the prefix in index. -@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ UNIV_INTERN ulint dict_index_get_nth_field_pos( @@ -506,7 +512,7 @@ dict_index_get_nth_field_pos( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Returns a table object based on table id. @return table, NULL if does not exist */ UNIV_INTERN @@ -540,7 +546,7 @@ dict_table_get_on_id( return(table); } -/************************************************************************ +/********************************************************************//** Looks for column n position in the clustered index. @return position in internal representation of the clustered index */ UNIV_INTERN @@ -554,7 +560,7 @@ dict_table_get_nth_col_pos( n)); } -/************************************************************************ +/********************************************************************//** Checks if a column is in the ordering columns of the clustered index of a table. Column prefixes are treated like whole columns. @return TRUE if the column, or its prefix, is in the clustered key */ @@ -591,7 +597,7 @@ dict_table_col_in_clustered_key( return(FALSE); } -/************************************************************************** +/**********************************************************************//** Inits the data dictionary module. */ UNIV_INTERN void @@ -620,7 +626,7 @@ dict_init(void) mutex_create(&dict_foreign_err_mutex, SYNC_ANY_LATCH); } -/************************************************************************** +/**********************************************************************//** Returns a table object and optionally increment its MySQL open handle count. NOTE! This is a high-level function to be used mainly from outside the 'dict' directory. Inside this directory dict_table_get_low is usually the @@ -659,7 +665,7 @@ dict_table_get( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Adds system columns to a table object. */ UNIV_INTERN void @@ -706,7 +712,7 @@ dict_table_add_system_columns( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Adds a table object to the dictionary cache. */ UNIV_INTERN void @@ -797,7 +803,7 @@ dict_table_add_to_cache( dict_sys->size += mem_heap_get_size(table->heap); } -/************************************************************************** +/**********************************************************************//** Looks for an index with the given id. NOTE that we do not reserve the dictionary mutex: this function is for emergency purposes like printing info of a corrupt database page! @@ -832,7 +838,7 @@ dict_index_find_on_id_low( return(NULL); } -/************************************************************************** +/**********************************************************************//** Renames a table object. @return TRUE if success */ UNIV_INTERN @@ -1048,7 +1054,7 @@ dict_table_rename_in_cache( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Change the id of a table object in the dictionary cache. This is used in DISCARD TABLESPACE. */ UNIV_INTERN @@ -1073,7 +1079,7 @@ dict_table_change_id_in_cache( ut_fold_dulint(table->id), table); } -/************************************************************************** +/**********************************************************************//** Removes a table object from the dictionary cache. */ UNIV_INTERN void @@ -1140,7 +1146,7 @@ dict_table_remove_from_cache( dict_mem_table_free(table); } -/******************************************************************** +/****************************************************************//** If the given column name is reserved for InnoDB system columns, return TRUE. @return TRUE if name is reserved */ @@ -1172,7 +1178,7 @@ dict_col_name_is_reserved( return(FALSE); } -/******************************************************************** +/****************************************************************//** If an undo log record for this table might not fit on a single page, return TRUE. @return TRUE if the undo log record could become too big */ @@ -1274,7 +1280,7 @@ is_ord_part: return(undo_page_len >= UNIV_PAGE_SIZE); } -/******************************************************************** +/****************************************************************//** If a record of this index might not fit on a single B-tree page, return TRUE. @return TRUE if the index record could become too big */ @@ -1423,7 +1429,7 @@ add_field_size: return(FALSE); } -/************************************************************************** +/**********************************************************************//** Adds an index to the dictionary cache. @return DB_SUCCESS or DB_TOO_BIG_RECORD */ UNIV_INTERN @@ -1580,7 +1586,7 @@ undo_size_ok: return(DB_SUCCESS); } -/************************************************************************** +/**********************************************************************//** Removes an index from the dictionary cache. */ UNIV_INTERN void @@ -1657,7 +1663,7 @@ dict_index_remove_from_cache( dict_mem_index_free(index); } -/*********************************************************************** +/*******************************************************************//** Tries to find column names for the index and sets the col field of the index. */ static @@ -1695,7 +1701,7 @@ found: } #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Adds a column to index. */ UNIV_INTERN void @@ -1743,7 +1749,7 @@ dict_index_add_col( } #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Copies fields contained in index2 to index1. */ static void @@ -1768,7 +1774,7 @@ dict_index_copy( } } -/*********************************************************************** +/*******************************************************************//** Copies types of fields contained in index to tuple. */ UNIV_INTERN void @@ -1797,7 +1803,7 @@ dict_index_copy_types( } } -/*********************************************************************** +/*******************************************************************//** Copies types of columns contained in table to tuple and sets all fields of the tuple to the SQL NULL value. This function should be called right after dtuple_create(). */ @@ -1820,7 +1826,7 @@ dict_table_copy_types( } } -/*********************************************************************** +/*******************************************************************//** Builds the internal dictionary cache representation for a clustered index, containing also system fields not defined by the user. @return own: the internal representation of the clustered index */ @@ -1972,7 +1978,7 @@ dict_index_build_internal_clust( return(new_index); } -/*********************************************************************** +/*******************************************************************//** Builds the internal dictionary cache representation for a non-clustered index, containing also system fields not defined by the user. @return own: the internal representation of the non-clustered index */ @@ -2067,7 +2073,7 @@ dict_index_build_internal_non_clust( /*====================== FOREIGN KEY PROCESSING ========================*/ -/************************************************************************* +/*********************************************************************//** Checks if a table is referenced by foreign keys. @return TRUE if table is referenced by a foreign key */ UNIV_INTERN @@ -2079,10 +2085,11 @@ dict_table_is_referenced_by_foreign_key( return(UT_LIST_GET_LEN(table->referenced_list) > 0); } -/************************************************************************* +/*********************************************************************//** Check if the index is referenced by a foreign key, if TRUE return foreign else return NULL -@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_referenced_constraint( @@ -2108,11 +2115,12 @@ dict_table_get_referenced_constraint( return(NULL); } -/************************************************************************* +/*********************************************************************//** Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key or index is a foreign key index. -@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_foreign_constraint( @@ -2139,7 +2147,7 @@ dict_table_get_foreign_constraint( return(NULL); } -/************************************************************************* +/*********************************************************************//** Frees a foreign key struct. */ static void @@ -2150,7 +2158,7 @@ dict_foreign_free( mem_heap_free(foreign->heap); } -/************************************************************************** +/**********************************************************************//** Removes a foreign constraint struct from the dictionary cache. */ static void @@ -2176,7 +2184,7 @@ dict_foreign_remove_from_cache( dict_foreign_free(foreign); } -/************************************************************************** +/**********************************************************************//** Looks for the foreign constraint from the foreign and referenced lists of a table. @return foreign constraint */ @@ -2216,7 +2224,7 @@ dict_foreign_find( return(NULL); } -/************************************************************************* +/*********************************************************************//** Tries to find an index whose first fields are the columns in the array, in the same order and is not marked for deletion and is not the same as types_idx. @@ -2302,7 +2310,7 @@ next_rec: return(NULL); } -/************************************************************************** +/**********************************************************************//** Find an index that is equivalent to the one passed in and is not marked for deletion. @return index equivalent to foreign->foreign_index, or NULL */ @@ -2325,7 +2333,7 @@ dict_foreign_find_equiv_index( FALSE/* allow columns to be NULL */)); } -/************************************************************************** +/**********************************************************************//** Returns an index object by matching on the name and column names and if more than one index matches return the index with the max id @return matching index, NULL if not found */ @@ -2385,7 +2393,7 @@ dict_table_get_index_by_max_id( return(found); } -/************************************************************************** +/**********************************************************************//** Report an error in a foreign key definition. */ static void @@ -2400,7 +2408,7 @@ dict_foreign_error_report_low( name); } -/************************************************************************** +/**********************************************************************//** Report an error in a foreign key definition. */ static void @@ -2427,7 +2435,7 @@ dict_foreign_error_report( mutex_exit(&dict_foreign_err_mutex); } -/************************************************************************** +/**********************************************************************//** Adds a foreign key constraint object to the dictionary cache. May free the object if there already is an object with the same identifier in. At least one of the foreign table and the referenced table must already @@ -2550,10 +2558,10 @@ dict_foreign_add_to_cache( return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Scans from pointer onwards. Stops if is at the start of a copy of 'string' where characters are compared without case sensitivity, and -only outside `` or "" quotes. Stops also at '\0'. +only outside `` or "" quotes. Stops also at NUL. @return scanned up to this */ static const char* @@ -2593,9 +2601,10 @@ nomatch: return(ptr); } -/************************************************************************* +/*********************************************************************//** Accepts a specified string. Comparisons are case-insensitive. -@return if string was accepted, the pointer is moved after that, else ptr is returned */ +@return if string was accepted, the pointer is moved after that, else +ptr is returned */ static const char* dict_accept( @@ -2628,7 +2637,7 @@ dict_accept( return(ptr + ut_strlen(string)); } -/************************************************************************* +/*********************************************************************//** Scans an id. For the lexical definition of an 'id', see the code below. Strips backquotes or double quotes from around the id. @return scanned to */ @@ -2748,7 +2757,7 @@ convert_id: return(ptr); } -/************************************************************************* +/*********************************************************************//** Tries to scan a column name. @return scanned to */ static @@ -2799,7 +2808,7 @@ dict_scan_col( return(ptr); } -/************************************************************************* +/*********************************************************************//** Scans a table name from an SQL string. @return scanned to */ static @@ -2898,7 +2907,7 @@ dict_scan_table_name( return(ptr); } -/************************************************************************* +/*********************************************************************//** Skips one id. The id is allowed to contain also '.'. @return scanned to */ static @@ -2923,13 +2932,14 @@ dict_skip_word( return(ptr); } -/************************************************************************* +/*********************************************************************//** Removes MySQL comments from an SQL string. A comment is either (a) '#' to the end of the line, -(b) '--' to the end of the line, or -(c) '' till the next '' (like the familiar +(b) '--[space]' to the end of the line, or +(c) '[slash][asterisk]' till the next '[asterisk][slash]' (like the familiar C comment syntax). -@return own: SQL string stripped from comments; the caller must free this with mem_free()! */ +@return own: SQL string stripped from comments; the caller must free +this with mem_free()! */ static char* dict_strip_comments( @@ -3008,10 +3018,10 @@ scan_more: } } -/************************************************************************* -Finds the highest for foreign key constraints of the table. Looks +/*********************************************************************//** +Finds the highest [number] for foreign key constraints of the table. Looks only at the >= 4.0.18-format id's, which are of the form -databasename/tablename_ibfk_. +databasename/tablename_ibfk_[number]. @return highest number, 0 if table has no new format foreign key constraints */ static ulint @@ -3056,7 +3066,7 @@ dict_table_get_highest_foreign_id( return(biggest_id); } -/************************************************************************* +/*********************************************************************//** Reports a simple foreign key create clause syntax error. */ static void @@ -3077,7 +3087,7 @@ dict_foreign_report_syntax_err( mutex_exit(&dict_foreign_err_mutex); } -/************************************************************************* +/*********************************************************************//** Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must @@ -3175,8 +3185,8 @@ dict_create_foreign_constraints_low( } /* Starting from 4.0.18 and 4.1.2, we generate foreign key id's in the - format databasename/tablename_ibfk_, where is local - to the table; look for the highest for table_to_alter, so + format databasename/tablename_ibfk_[number], where [number] is local + to the table; look for the highest [number] for table_to_alter, so that we can assign to new constraints higher numbers. */ /* If we are altering a temporary table, the table name after ALTER @@ -3655,7 +3665,7 @@ try_find_index: goto loop; } -/************************************************************************* +/*********************************************************************//** Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must @@ -3702,9 +3712,10 @@ dict_create_foreign_constraints( return(err); } -/************************************************************************** +/**********************************************************************//** Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. -@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the constraint id does not match */ +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the +constraint id does not match */ UNIV_INTERN ulint dict_foreign_parse_drop_constraints( @@ -3836,7 +3847,7 @@ syntax_error: /*==================== END OF FOREIGN KEY PROCESSING ====================*/ -/************************************************************************** +/**********************************************************************//** Returns an index object if it is found in the dictionary cache. Assumes that dict_sys->mutex is already being held. @return index, NULL if not found */ @@ -3852,7 +3863,7 @@ dict_index_get_if_in_cache_low( } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Returns an index object if it is found in the dictionary cache. @return index, NULL if not found */ UNIV_INTERN @@ -3878,7 +3889,7 @@ dict_index_get_if_in_cache( #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Checks that a tuple has n_fields_cmp value in a sensible range, so that no comparison can occur with the page number field in a node pointer. @return TRUE if ok */ @@ -3896,7 +3907,7 @@ dict_index_check_search_tuple( } #endif /* UNIV_DEBUG */ -/************************************************************************** +/**********************************************************************//** Builds a node pointer out of a physical record and a page number. @return own: node pointer */ UNIV_INTERN @@ -3965,7 +3976,7 @@ dict_index_build_node_ptr( return(tuple); } -/************************************************************************** +/**********************************************************************//** Copies an initial segment of a physical record, long enough to specify an index entry uniquely. @return pointer to the prefix record */ @@ -3996,7 +4007,7 @@ dict_index_copy_rec_order_prefix( return(rec_copy_prefix_to_buf(rec, index, n, buf, buf_size)); } -/************************************************************************** +/**********************************************************************//** Builds a typed data tuple out of a physical record. @return own: data tuple */ UNIV_INTERN @@ -4024,7 +4035,7 @@ dict_index_build_data_tuple( return(tuple); } -/************************************************************************* +/*********************************************************************//** Calculates the minimum record length in an index. */ UNIV_INTERN ulint @@ -4075,7 +4086,7 @@ dict_index_calc_min_rec_len( return(sum); } -/************************************************************************* +/*********************************************************************//** Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ UNIV_INTERN @@ -4158,7 +4169,7 @@ dict_update_statistics_low( table->stat_modified_counter = 0; } -/************************************************************************* +/*********************************************************************//** Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ UNIV_INTERN @@ -4170,7 +4181,7 @@ dict_update_statistics( dict_update_statistics_low(table, FALSE); } -/************************************************************************** +/**********************************************************************//** Prints info of a foreign key constraint. */ static void @@ -4200,7 +4211,7 @@ dict_foreign_print_low( fputs(" )\n", stderr); } -/************************************************************************** +/**********************************************************************//** Prints a table data. */ UNIV_INTERN void @@ -4213,7 +4224,7 @@ dict_table_print( mutex_exit(&(dict_sys->mutex)); } -/************************************************************************** +/**********************************************************************//** Prints a table data when we know the table name. */ UNIV_INTERN void @@ -4233,7 +4244,7 @@ dict_table_print_by_name( mutex_exit(&(dict_sys->mutex)); } -/************************************************************************** +/**********************************************************************//** Prints a table data. */ UNIV_INTERN void @@ -4291,7 +4302,7 @@ dict_table_print_low( } } -/************************************************************************** +/**********************************************************************//** Prints a column data. */ static void @@ -4311,7 +4322,7 @@ dict_col_print_low( dtype_print(&type); } -/************************************************************************** +/**********************************************************************//** Prints an index data. */ static void @@ -4371,7 +4382,7 @@ dict_index_print_low( #endif /* UNIV_BTR_PRINT */ } -/************************************************************************** +/**********************************************************************//** Prints a field data. */ static void @@ -4388,7 +4399,7 @@ dict_field_print_low( } } -/************************************************************************** +/**********************************************************************//** Outputs info on a foreign key of a table in a format suitable for CREATE TABLE. */ UNIV_INTERN @@ -4486,7 +4497,7 @@ dict_print_info_on_foreign_key_in_create_format( } } -/************************************************************************** +/**********************************************************************//** Outputs info on foreign keys of a table. */ UNIV_INTERN void @@ -4576,7 +4587,7 @@ dict_print_info_on_foreign_keys( mutex_exit(&(dict_sys->mutex)); } -/************************************************************************ +/********************************************************************//** Displays the names of the index and the table. */ UNIV_INTERN void @@ -4593,7 +4604,7 @@ dict_index_name_print( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Inits dict_ind_redundant and dict_ind_compact. */ UNIV_INTERN void @@ -4628,7 +4639,7 @@ dict_ind_init(void) } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Get index by name @return index, NULL if does not exist */ UNIV_INTERN @@ -4655,7 +4666,7 @@ dict_table_get_index_on_name( } -/************************************************************************** +/**********************************************************************//** Replace the index passed in with another equivalent index in the tables foreign key list. */ UNIV_INTERN @@ -4681,7 +4692,7 @@ dict_table_replace_index_in_foreign_list( } } -/************************************************************************** +/**********************************************************************//** In case there is more than one index with the same name return the index with the min(id). @return index, NULL if does not exist */ @@ -4715,7 +4726,7 @@ dict_table_get_index_on_name_and_min_id( } #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Check for duplicate index entries in a table [using the index name] */ UNIV_INTERN void diff --git a/dict/dict0load.c b/dict/dict0load.c index 5fc8226a996..842a129c1a6 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file dict/dict0load.c Loads to the memory cache database object definitions from dictionary tables @@ -40,17 +41,17 @@ Created 4/24/1996 Heikki Tuuri #include "srv0start.h" #include "srv0srv.h" -/******************************************************************** -Returns TRUE if index's i'th column's name is 'name' . -@return */ +/****************************************************************//** +Compare the name of an index column. +@return TRUE if the i'th column of index is 'name'. */ static ibool name_of_col_is( /*===========*/ - dict_table_t* table, /*!< in: table */ - dict_index_t* index, /*!< in: index */ - ulint i, /*!< in: */ - const char* name) /*!< in: name to compare to */ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: index field offset */ + const char* name) /*!< in: name to compare to */ { ulint tmp = dict_col_get_no(dict_field_get_col( dict_index_get_nth_field( @@ -59,9 +60,10 @@ name_of_col_is( return(strcmp(name, dict_table_get_col_name(table, tmp)) == 0); } -/************************************************************************ +/********************************************************************//** Finds the first table name in the given database. -@return own: table name, NULL if does not exist; the caller must free the memory in the string! */ +@return own: table name, NULL if does not exist; the caller must free +the memory in the string! */ UNIV_INTERN char* dict_get_first_table_name_in_db( @@ -141,7 +143,7 @@ loop: goto loop; } -/************************************************************************ +/********************************************************************//** Prints to the standard output information on all tables found in the data dictionary system table. */ UNIV_INTERN @@ -234,9 +236,10 @@ loop: goto loop; } -/************************************************************************ +/********************************************************************//** Determine the flags of a table described in SYS_TABLES. -@return compressed page size in kilobytes; or 0 if the tablespace is uncompressed, ULINT_UNDEFINED on error */ +@return compressed page size in kilobytes; or 0 if the tablespace is +uncompressed, ULINT_UNDEFINED on error */ static ulint dict_sys_tables_get_flags( @@ -295,7 +298,7 @@ dict_sys_tables_get_flags( return(flags); } -/************************************************************************ +/********************************************************************//** In a crash recovery we already have all the tablespace objects created. This function compares the space id information in the InnoDB data dictionary to what we already read with fil_load_single_table_tablespaces(). @@ -417,7 +420,7 @@ loop: goto loop; } -/************************************************************************ +/********************************************************************//** Loads definitions for table columns. */ static void @@ -523,7 +526,7 @@ dict_load_columns( mtr_commit(&mtr); } -/************************************************************************ +/********************************************************************//** Loads definitions for index fields. */ static void @@ -624,10 +627,11 @@ next_rec: mtr_commit(&mtr); } -/************************************************************************ +/********************************************************************//** Loads definitions for table indexes. Adds them to the data dictionary cache. -@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary table or DB_UNSUPPORTED if table has unknown index type */ +@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary +table or DB_UNSUPPORTED if table has unknown index type */ static ulint dict_load_indexes( @@ -796,13 +800,15 @@ func_exit: return(error); } -/************************************************************************ +/********************************************************************//** Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads all foreign key constraints where the foreign key is in the table or where a foreign key references columns in this table. Adds all these to the data dictionary cache. -@return table, NULL if does not exist; if the table is stored in an .ibd file, but the file does not exist, then we set the ibd_file_missing flag TRUE in the table object we return */ +@return table, NULL if does not exist; if the table is stored in an +.ibd file, but the file does not exist, then we set the +ibd_file_missing flag TRUE in the table object we return */ UNIV_INTERN dict_table_t* dict_load_table( @@ -987,7 +993,7 @@ err_exit: return(table); } -/*************************************************************************** +/***********************************************************************//** Loads a table object based on the table id. @return table; NULL if table does not exist */ UNIV_INTERN @@ -1078,7 +1084,7 @@ dict_load_table_on_id( return(table); } -/************************************************************************ +/********************************************************************//** This function is called when the database is booted. Loads system table index definitions except for the clustered index which is added to the dictionary cache at booting before calling this function. */ @@ -1099,7 +1105,7 @@ dict_load_sys_table( mem_heap_free(heap); } -/************************************************************************ +/********************************************************************//** Loads foreign key constraint col names (also for the referenced table). */ static void @@ -1171,7 +1177,7 @@ dict_load_foreign_cols( mtr_commit(&mtr); } -/*************************************************************************** +/***********************************************************************//** Loads a foreign key constraint to the dictionary cache. @return DB_SUCCESS or error code */ static @@ -1296,7 +1302,7 @@ dict_load_foreign( return(dict_foreign_add_to_cache(foreign, check_charsets)); } -/*************************************************************************** +/***********************************************************************//** Loads foreign key constraints where the table is either the foreign key holder or where the table is referenced by a foreign key. Adds these constraints to the data dictionary. Note that we know that the dictionary diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 8c072971d04..1f7dd38e6f5 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file dict/dict0mem.c Data dictionary memory object creation Created 1/8/1996 Heikki Tuuri @@ -36,10 +37,10 @@ Created 1/8/1996 Heikki Tuuri # include "lock0lock.h" #endif /* !UNIV_HOTBACKUP */ -#define DICT_HEAP_SIZE 100 /* initial memory heap size when +#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when creating a table or index object */ -/************************************************************************** +/**********************************************************************//** Creates a table memory object. @return own: table object */ UNIV_INTERN @@ -90,7 +91,7 @@ dict_mem_table_create( return(table); } -/******************************************************************** +/****************************************************************//** Free a table memory object. */ UNIV_INTERN void @@ -106,8 +107,8 @@ dict_mem_table_free( mem_heap_free(table->heap); } -/******************************************************************** -Append 'name' to 'col_names' (@see dict_table_t::col_names). +/****************************************************************//** +Append 'name' to 'col_names'. @see dict_table_t::col_names @return new column names array */ static const char* @@ -154,7 +155,7 @@ dict_add_col_name( return(res); } -/************************************************************************** +/**********************************************************************//** Adds a column definition to a table. */ UNIV_INTERN void @@ -211,7 +212,7 @@ dict_mem_table_add_col( #endif /* !UNIV_HOTBACKUP */ } -/************************************************************************** +/**********************************************************************//** Creates an index memory object. @return own: index object */ UNIV_INTERN @@ -254,7 +255,7 @@ dict_mem_index_create( return(index); } -/************************************************************************** +/**********************************************************************//** Creates and initializes a foreign constraint memory object. @return own: foreign constraint struct */ UNIV_INTERN @@ -274,7 +275,7 @@ dict_mem_foreign_create(void) return(foreign); } -/************************************************************************** +/**********************************************************************//** Adds a field definition to an index. NOTE: does not take a copy of the column name if the field is a column. The memory occupied by the column name may be released only after publishing the index. */ @@ -301,7 +302,7 @@ dict_mem_index_add_field( field->prefix_len = (unsigned int) prefix_len; } -/************************************************************************** +/**********************************************************************//** Frees an index memory object. */ UNIV_INTERN void diff --git a/dyn/dyn0dyn.c b/dyn/dyn0dyn.c index 3467f7a5e01..e1275f040f3 100644 --- a/dyn/dyn0dyn.c +++ b/dyn/dyn0dyn.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file dyn/dyn0dyn.c The dynamically allocated array Created 2/5/1996 Heikki Tuuri @@ -27,7 +28,7 @@ Created 2/5/1996 Heikki Tuuri #include "dyn0dyn.ic" #endif -/**************************************************************** +/************************************************************//** Adds a new block to a dyn array. @return created block */ UNIV_INTERN diff --git a/eval/eval0eval.c b/eval/eval0eval.c index 1766f267bc8..589b0fa1576 100644 --- a/eval/eval0eval.c +++ b/eval/eval0eval.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file eval/eval0eval.c SQL evaluator: evaluates simple data structures, like expressions, in a query graph @@ -32,15 +33,15 @@ Created 12/29/1997 Heikki Tuuri #include "data0data.h" #include "row0sel.h" -/* The RND function seed */ +/** The RND function seed */ static ulint eval_rnd = 128367121; -/* Dummy adress used when we should allocate a buffer of size 0 in -the function below */ +/** Dummy adress used when we should allocate a buffer of size 0 in +eval_node_alloc_val_buf */ static byte eval_dummy; -/********************************************************************* +/*****************************************************************//** Allocate a buffer from global dynamic memory for a value of a que_node. NOTE that this memory must be explicitly freed when the query graph is freed. If the node already has an allocated buffer, that buffer is freed @@ -83,7 +84,7 @@ eval_node_alloc_val_buf( return(data); } -/********************************************************************* +/*****************************************************************//** Free the buffer from global dynamic memory for a value of a que_node, if it has been allocated in the above function. The freeing for pushed column values is done in sel_col_prefetch_buf_free. */ @@ -110,7 +111,7 @@ eval_node_free_val_buf( } } -/********************************************************************* +/*****************************************************************//** Evaluates a comparison node. @return the result of the comparison */ UNIV_INTERN @@ -169,7 +170,7 @@ eval_cmp( return(val); } -/********************************************************************* +/*****************************************************************//** Evaluates a logical operation node. */ UNIV_INLINE void @@ -210,7 +211,7 @@ eval_logical( eval_node_set_ibool_val(logical_node, val); } -/********************************************************************* +/*****************************************************************//** Evaluates an arithmetic operation node. */ UNIV_INLINE void @@ -254,7 +255,7 @@ eval_arith( eval_node_set_int_val(arith_node, val); } -/********************************************************************* +/*****************************************************************//** Evaluates an aggregate operation node. */ UNIV_INLINE void @@ -288,7 +289,7 @@ eval_aggregate( eval_node_set_int_val(node, val); } -/********************************************************************* +/*****************************************************************//** Evaluates a predefined function node where the function is not relevant in benchmarks. */ static @@ -375,7 +376,7 @@ eval_predefined_2( } } -/********************************************************************* +/*****************************************************************//** Evaluates a notfound-function node. */ UNIV_INLINE void @@ -417,7 +418,7 @@ eval_notfound( eval_node_set_ibool_val(func_node, ibool_val); } -/********************************************************************* +/*****************************************************************//** Evaluates a substr-function node. */ UNIV_INLINE void @@ -450,7 +451,7 @@ eval_substr( dfield_set_data(dfield, str1 + len1, len2); } -/********************************************************************* +/*****************************************************************//** Evaluates a replstr-procedure node. */ static void @@ -490,7 +491,7 @@ eval_replstr( ut_memcpy(str1 + len1, str2, len2); } -/********************************************************************* +/*****************************************************************//** Evaluates an instr-function node. */ static void @@ -562,7 +563,7 @@ match_found: eval_node_set_int_val(func_node, int_val); } -/********************************************************************* +/*****************************************************************//** Evaluates a predefined function node. */ UNIV_INLINE void @@ -600,7 +601,7 @@ eval_binary_to_number( eval_node_copy_and_alloc_val(func_node, str2, 4); } -/********************************************************************* +/*****************************************************************//** Evaluates a predefined function node. */ static void @@ -642,7 +643,7 @@ eval_concat( } } -/********************************************************************* +/*****************************************************************//** Evaluates a predefined function node. If the first argument is an integer, this function looks at the second argument which is the integer length in bytes, and converts the integer to a VARCHAR. @@ -690,7 +691,7 @@ eval_to_binary( dfield_set_data(dfield, str1 + (4 - len1), len1); } -/********************************************************************* +/*****************************************************************//** Evaluates a predefined function node. */ UNIV_INLINE void @@ -782,7 +783,7 @@ eval_predefined( eval_node_set_int_val(func_node, int_val); } -/********************************************************************* +/*****************************************************************//** Evaluates a function node. */ UNIV_INTERN void diff --git a/eval/eval0proc.c b/eval/eval0proc.c index 5f67d7a3697..3a4218d92bf 100644 --- a/eval/eval0proc.c +++ b/eval/eval0proc.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file eval/eval0proc.c Executes SQL stored procedures and their control structures Created 1/20/1998 Heikki Tuuri @@ -28,7 +29,7 @@ Created 1/20/1998 Heikki Tuuri #include "eval0proc.ic" #endif -/************************************************************************** +/**********************************************************************//** Performs an execution step of an if-statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -104,7 +105,7 @@ if_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of a while-statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -140,7 +141,7 @@ while_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of an assignment statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -167,7 +168,7 @@ assign_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of a for-loop node. @return query thread to run next or NULL */ UNIV_INTERN @@ -229,7 +230,7 @@ for_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of an exit statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -261,7 +262,7 @@ exit_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of a return-statement node. @return query thread to run next or NULL */ UNIV_INTERN diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 5bdd225582e..b73dfbab6fe 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file fil/fil0fil.c The tablespace memory cache Created 10/25/1995 Heikki Tuuri @@ -103,134 +104,144 @@ out of the LRU-list and keep a count of pending operations. When an operation completes, we decrement the count and return the file node to the LRU-list if the count drops to zero. */ -/* When mysqld is run, the default directory "." is the mysqld datadir, +/** When mysqld is run, the default directory "." is the mysqld datadir, but in the MySQL Embedded Server Library and ibbackup it is not the default directory, and we must set the base file path explicitly */ UNIV_INTERN const char* fil_path_to_mysql_datadir = "."; -/* The number of fsyncs done to the log */ +/** The number of fsyncs done to the log */ UNIV_INTERN ulint fil_n_log_flushes = 0; +/** Number of pending redo log flushes */ UNIV_INTERN ulint fil_n_pending_log_flushes = 0; +/** Number of pending tablespace flushes */ UNIV_INTERN ulint fil_n_pending_tablespace_flushes = 0; -/* Null file address */ +/** The null file address */ UNIV_INTERN fil_addr_t fil_addr_null = {FIL_NULL, 0}; -/* File node of a tablespace or the log data space */ +/** File node of a tablespace or the log data space */ struct fil_node_struct { - fil_space_t* space; /* backpointer to the space where this node + fil_space_t* space; /*!< backpointer to the space where this node belongs */ - char* name; /* path to the file */ - ibool open; /* TRUE if file open */ - os_file_t handle; /* OS handle to the file, if file open */ - ibool is_raw_disk;/* TRUE if the 'file' is actually a raw + char* name; /*!< path to the file */ + ibool open; /*!< TRUE if file open */ + os_file_t handle; /*!< OS handle to the file, if file open */ + ibool is_raw_disk;/*!< TRUE if the 'file' is actually a raw device or a raw disk partition */ - ulint size; /* size of the file in database pages, 0 if + ulint size; /*!< size of the file in database pages, 0 if not known yet; the possible last incomplete megabyte may be ignored if space == 0 */ ulint n_pending; - /* count of pending i/o's on this file; + /*!< count of pending i/o's on this file; closing of the file is not allowed if this is > 0 */ ulint n_pending_flushes; - /* count of pending flushes on this file; + /*!< count of pending flushes on this file; closing of the file is not allowed if this is > 0 */ - ib_int64_t modification_counter;/* when we write to the file we + ib_int64_t modification_counter;/*!< when we write to the file we increment this by one */ - ib_int64_t flush_counter;/* up to what modification_counter value - we have flushed the modifications to disk */ + ib_int64_t flush_counter;/*!< up to what + modification_counter value we have + flushed the modifications to disk */ UT_LIST_NODE_T(fil_node_t) chain; - /* link field for the file chain */ + /*!< link field for the file chain */ UT_LIST_NODE_T(fil_node_t) LRU; - /* link field for the LRU list */ - ulint magic_n; + /*!< link field for the LRU list */ + ulint magic_n;/*!< FIL_NODE_MAGIC_N */ }; +/** Value of fil_node_struct::magic_n */ #define FIL_NODE_MAGIC_N 89389 -/* Tablespace or log data space: let us call them by a common name space */ +/** Tablespace or log data space: let us call them by a common name space */ struct fil_space_struct { - char* name; /* space name = the path to the first file in + char* name; /*!< space name = the path to the first file in it */ - ulint id; /* space id */ + ulint id; /*!< space id */ ib_int64_t tablespace_version; - /* in DISCARD/IMPORT this timestamp is used to - check if we should ignore an insert buffer - merge request for a page because it actually - was for the previous incarnation of the - space */ - ibool mark; /* this is set to TRUE at database startup if + /*!< in DISCARD/IMPORT this timestamp + is used to check if we should ignore + an insert buffer merge request for a + page because it actually was for the + previous incarnation of the space */ + ibool mark; /*!< this is set to TRUE at database startup if the space corresponds to a table in the InnoDB data dictionary; so we can print a warning of orphaned tablespaces */ - ibool stop_ios;/* TRUE if we want to rename the .ibd file of - tablespace and want to stop temporarily - posting of new i/o requests on the file */ + ibool stop_ios;/*!< TRUE if we want to rename the + .ibd file of tablespace and want to + stop temporarily posting of new i/o + requests on the file */ ibool stop_ibuf_merges; - /* we set this TRUE when we start deleting a - single-table tablespace */ + /*!< we set this TRUE when we start + deleting a single-table tablespace */ ibool is_being_deleted; - /* this is set to TRUE when we start + /*!< this is set to TRUE when we start deleting a single-table tablespace and its file; when this flag is set no further i/o or flush requests can be placed on this space, though there may be such requests still being processed on this space */ - ulint purpose;/* FIL_TABLESPACE, FIL_LOG, or FIL_ARCH_LOG */ + ulint purpose;/*!< FIL_TABLESPACE, FIL_LOG, or + FIL_ARCH_LOG */ UT_LIST_BASE_NODE_T(fil_node_t) chain; - /* base node for the file chain */ - ulint size; /* space size in pages; 0 if a single-table + /*!< base node for the file chain */ + ulint size; /*!< space size in pages; 0 if a single-table tablespace whose size we do not know yet; last incomplete megabytes in data files may be ignored if space == 0 */ - ulint flags; /* compressed page size and file format, or 0 */ + ulint flags; /*!< compressed page size and file format, or 0 */ ulint n_reserved_extents; - /* number of reserved free extents for + /*!< number of reserved free extents for ongoing operations like B-tree page split */ - ulint n_pending_flushes; /* this is > 0 when flushing + ulint n_pending_flushes; /*!< this is positive when flushing the tablespace to disk; dropping of the - tablespace is forbidden if this is > 0 */ - ulint n_pending_ibuf_merges;/* this is > 0 when merging - insert buffer entries to a page so that we - may need to access the ibuf bitmap page in the - tablespade: dropping of the tablespace is - forbidden if this is > 0 */ - hash_node_t hash; /* hash chain node */ - hash_node_t name_hash;/* hash chain the name_hash table */ + tablespace is forbidden if this is positive */ + ulint n_pending_ibuf_merges;/*!< this is positive + when merging insert buffer entries to + a page so that we may need to access + the ibuf bitmap page in the + tablespade: dropping of the tablespace + is forbidden if this is positive */ + hash_node_t hash; /*!< hash chain node */ + hash_node_t name_hash;/*!< hash chain the name_hash table */ #ifndef UNIV_HOTBACKUP - rw_lock_t latch; /* latch protecting the file space storage + rw_lock_t latch; /*!< latch protecting the file space storage allocation */ #endif /* !UNIV_HOTBACKUP */ UT_LIST_NODE_T(fil_space_t) unflushed_spaces; - /* list of spaces with at least one unflushed + /*!< list of spaces with at least one unflushed file we have written to */ - ibool is_in_unflushed_spaces; /* TRUE if this space is - currently in the list above */ + ibool is_in_unflushed_spaces; /*!< TRUE if this space is + currently in unflushed_spaces */ UT_LIST_NODE_T(fil_space_t) space_list; - /* list of all spaces */ - ulint magic_n; + /*!< list of all spaces */ + ulint magic_n;/*!< FIL_SPACE_MAGIC_N */ }; +/** Value of fil_space_struct::magic_n */ #define FIL_SPACE_MAGIC_N 89472 -/* The tablespace memory cache; also the totality of logs = the log data space, -is stored here; below we talk about tablespaces, but also the ib_logfiles -form a 'space' and it is handled here */ - +/** The tablespace memory cache */ typedef struct fil_system_struct fil_system_t; + +/** The tablespace memory cache; also the totality of logs (the log +data space) is stored here; below we talk about tablespaces, but also +the ib_logfiles form a 'space' and it is handled here */ + struct fil_system_struct { #ifndef UNIV_HOTBACKUP - mutex_t mutex; /* The mutex protecting the cache */ + mutex_t mutex; /*!< The mutex protecting the cache */ #endif /* !UNIV_HOTBACKUP */ - hash_table_t* spaces; /* The hash table of spaces in the + hash_table_t* spaces; /*!< The hash table of spaces in the system; they are hashed on the space id */ - hash_table_t* name_hash; /* hash table based on the space + hash_table_t* name_hash; /*!< hash table based on the space name */ UT_LIST_BASE_NODE_T(fil_node_t) LRU; - /* base node for the LRU list of the + /*!< base node for the LRU list of the most recently used open files with no pending i/o's; if we start an i/o on the file, we first remove it from this @@ -241,24 +252,24 @@ struct fil_system_struct { after the startup, and kept open until shutdown */ UT_LIST_BASE_NODE_T(fil_space_t) unflushed_spaces; - /* base node for the list of those + /*!< base node for the list of those tablespaces whose files contain unflushed writes; those spaces have at least one file node where modification_counter > flush_counter */ - ulint n_open; /* number of files currently open */ - ulint max_n_open; /* n_open is not allowed to exceed + ulint n_open; /*!< number of files currently open */ + ulint max_n_open; /*!< n_open is not allowed to exceed this */ - ib_int64_t modification_counter;/* when we write to a file we + ib_int64_t modification_counter;/*!< when we write to a file we increment this by one */ - ulint max_assigned_id;/* maximum space id in the existing + ulint max_assigned_id;/*!< maximum space id in the existing tables, or assigned during the time mysqld has been up; at an InnoDB startup we scan the data dictionary and set here the maximum of the space id's of the tables there */ ib_int64_t tablespace_version; - /* a counter which is incremented for + /*!< a counter which is incremented for every space object memory creation; every space mem object gets a 'timestamp' from this; in DISCARD/ @@ -266,15 +277,15 @@ struct fil_system_struct { should ignore an insert buffer merge request */ UT_LIST_BASE_NODE_T(fil_space_t) space_list; - /* list of all file spaces */ + /*!< list of all file spaces */ }; -/* The tablespace memory cache. This variable is NULL before the module is +/** The tablespace memory cache. This variable is NULL before the module is initialized. */ -UNIV_INTERN fil_system_t* fil_system = NULL; +static fil_system_t* fil_system = NULL; -/************************************************************************ +/********************************************************************//** NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! Prepares a file node for i/o. Opens the file if it is closed. Updates the @@ -288,7 +299,7 @@ fil_node_prepare_for_io( fil_node_t* node, /*!< in: file node */ fil_system_t* system, /*!< in: tablespace memory cache */ fil_space_t* space); /*!< in: space */ -/************************************************************************ +/********************************************************************//** Updates the data structures when an i/o operation finishes. Updates the pending i/o's field in the node appropriately. */ static @@ -300,7 +311,7 @@ fil_node_complete_io( ulint type); /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks the node as modified if type == OS_FILE_WRITE */ -/*********************************************************************** +/*******************************************************************//** Checks if a single-table tablespace for a given table name exists in the tablespace memory cache. @return space id, ULINT_UNDEFINED if not found */ @@ -310,11 +321,12 @@ fil_get_space_id_for_table( /*=======================*/ const char* name); /*!< in: table name in the standard 'databasename/tablename' format */ -/************************************************************************ +/********************************************************************//** Reads data from a space to a buffer. Remember that the possible incomplete blocks at the end of file are ignored: they are not taken into account when calculating the byte offset within a space. -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ UNIV_INLINE ulint fil_read( @@ -338,11 +350,12 @@ fil_read( byte_offset, len, buf, message)); } -/************************************************************************ +/********************************************************************//** Writes data to a space from a buffer. Remember that the possible incomplete blocks at the end of file are ignored: they are not taken into account when calculating the byte offset within a space. -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ UNIV_INLINE ulint fil_write( @@ -366,7 +379,7 @@ fil_write( byte_offset, len, buf, message)); } -/*********************************************************************** +/*******************************************************************//** Returns the table space by a given id, NULL if not found. */ UNIV_INLINE fil_space_t* @@ -386,7 +399,7 @@ fil_space_get_by_id( return(space); } -/*********************************************************************** +/*******************************************************************//** Returns the table space by a given name, NULL if not found. */ UNIV_INLINE fil_space_t* @@ -410,9 +423,10 @@ fil_space_get_by_name( } #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Returns the version number of a tablespace, -1 if not found. -@return version number, -1 if the tablespace does not exist in the memory cache */ +@return version number, -1 if the tablespace does not exist in the +memory cache */ UNIV_INTERN ib_int64_t fil_space_get_version( @@ -437,7 +451,7 @@ fil_space_get_version( return(version); } -/*********************************************************************** +/*******************************************************************//** Returns the latch of a file space. @return latch protecting storage allocation */ UNIV_INTERN @@ -466,7 +480,7 @@ fil_space_get_latch( return(&(space->latch)); } -/*********************************************************************** +/*******************************************************************//** Returns the type of a file space. @return FIL_TABLESPACE or FIL_LOG */ UNIV_INTERN @@ -491,7 +505,7 @@ fil_space_get_type( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Checks if all the file nodes in a space are flushed. The caller must hold the fil_system mutex. @return TRUE if all are flushed */ @@ -519,7 +533,7 @@ fil_space_is_flushed( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Appends a new file to the chain of files of a space. File must be closed. */ UNIV_INTERN void @@ -583,7 +597,7 @@ fil_node_create( mutex_exit(&fil_system->mutex); } -/************************************************************************ +/********************************************************************//** Opens a the file of a node of a tablespace. The caller must own the fil_system mutex. */ static @@ -755,7 +769,7 @@ fil_node_open_file( } } -/************************************************************************** +/**********************************************************************//** Closes a file. */ static void @@ -790,10 +804,14 @@ fil_node_close_file( } } -/************************************************************************ +/********************************************************************//** Tries to close a file in the LRU list. The caller must hold the fil_sys mutex. -@return TRUE if success, FALSE if should retry later; since i/o's generally complete in < 100 ms, and as InnoDB writes at most 128 pages from the buffer pool in a batch, and then immediately flushes the files, there is a good chance that the next time we find a suitable node from the LRU list */ +@return TRUE if success, FALSE if should retry later; since i/o's +generally complete in < 100 ms, and as InnoDB writes at most 128 pages +from the buffer pool in a batch, and then immediately flushes the +files, there is a good chance that the next time we find a suitable +node from the LRU list */ static ibool fil_try_to_close_file_in_LRU( @@ -845,7 +863,7 @@ fil_try_to_close_file_in_LRU( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Reserves the fil_system mutex and tries to make sure we can open at least one file while holding it. This should be called before calling fil_node_prepare_for_io(), because that function may need to open a file. */ @@ -964,7 +982,7 @@ close_more: goto retry; } -/*********************************************************************** +/*******************************************************************//** Frees a file node object from a tablespace memory cache. */ static void @@ -1007,7 +1025,7 @@ fil_node_free( } #ifdef UNIV_LOG_ARCHIVE -/******************************************************************** +/****************************************************************//** Drops files from the start of a file space, so that its size is cut by the amount given. */ UNIV_INTERN @@ -1042,7 +1060,7 @@ fil_space_truncate_start( } #endif /* UNIV_LOG_ARCHIVE */ -/*********************************************************************** +/*******************************************************************//** Creates a space memory object and puts it to the tablespace memory cache. If there is an error, prints an error message to the .err log. @return TRUE if success */ @@ -1185,7 +1203,7 @@ try_again: return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Assigns a new space id for a new single-table tablespace. This works simply by incrementing the global counter. If 4 billion id's is not enough, we may need to recycle id's. @@ -1237,7 +1255,7 @@ fil_assign_new_space_id(void) return(id); } -/*********************************************************************** +/*******************************************************************//** Frees a space object from the tablespace memory cache. Closes the files in the chain but does not delete them. There must not be any pending i/o's or flushes on the files. @@ -1309,7 +1327,7 @@ fil_space_free( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Returns the size of the space in pages. The tablespace must be cached in the memory cache. @return space size, 0 if space not found */ @@ -1357,7 +1375,7 @@ fil_space_get_size( return(size); } -/*********************************************************************** +/*******************************************************************//** Returns the flags of the space. The tablespace must be cached in the memory cache. @return flags, ULINT_UNDEFINED if space not found */ @@ -1409,7 +1427,7 @@ fil_space_get_flags( return(flags); } -/*********************************************************************** +/*******************************************************************//** Returns the compressed page size of the space, or 0 if the space is not compressed. The tablespace must be cached in the memory cache. @return compressed page size, ULINT_UNDEFINED if space not found */ @@ -1431,7 +1449,7 @@ fil_space_get_zip_size( return(flags); } -/*********************************************************************** +/*******************************************************************//** Checks if the pair space, page_no refers to an existing page in a tablespace file space. The tablespace must be cached in the memory cache. @return TRUE if the address is meaningful */ @@ -1450,7 +1468,7 @@ fil_check_adress_in_tablespace( return(FALSE); } -/******************************************************************** +/****************************************************************//** Initializes the tablespace memory cache. */ UNIV_INTERN void @@ -1485,7 +1503,7 @@ fil_init( UT_LIST_INIT(fil_system->space_list); } -/*********************************************************************** +/*******************************************************************//** Opens all log files and system tablespace data files. They stay open until the database server shutdown. This should be called at a server startup after the space objects for the log and the system tablespace have been created. The @@ -1543,7 +1561,7 @@ fil_open_log_and_system_tablespace_files(void) mutex_exit(&fil_system->mutex); } -/*********************************************************************** +/*******************************************************************//** Closes all open files. There must not be any pending i/o's or not flushed modifications in the files. */ UNIV_INTERN @@ -1573,7 +1591,7 @@ fil_close_all_files(void) mutex_exit(&fil_system->mutex); } -/*********************************************************************** +/*******************************************************************//** Sets the max tablespace id counter if the given number is bigger than the previous value. */ UNIV_INTERN @@ -1599,7 +1617,7 @@ fil_set_max_space_id_if_bigger( mutex_exit(&fil_system->mutex); } -/******************************************************************** +/****************************************************************//** Writes the flushed lsn and the latest archived log number to the page header of the first page of a data file of the system tablespace (space 0), which is uncompressed. */ @@ -1630,7 +1648,7 @@ fil_write_lsn_and_arch_no_to_file( return(DB_SUCCESS); } -/******************************************************************** +/****************************************************************//** Writes the flushed lsn and the latest archived log number to the page header of the first page of each data file in the system tablespace. @return DB_SUCCESS or error number */ @@ -1687,7 +1705,7 @@ fil_write_flushed_lsn_to_data_files( return(DB_SUCCESS); } -/*********************************************************************** +/*******************************************************************//** Reads the flushed lsn and arch no fields from a data file at database startup. */ UNIV_INTERN @@ -1748,7 +1766,7 @@ fil_read_flushed_lsn_and_arch_log_no( /*================ SINGLE-TABLE TABLESPACES ==========================*/ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Increments the count of pending insert buffer page merges, if space is not being deleted. @return TRUE if being deleted, and ibuf merges should be skipped */ @@ -1784,7 +1802,7 @@ fil_inc_pending_ibuf_merges( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Decrements the count of pending insert buffer page merges. */ UNIV_INTERN void @@ -1813,7 +1831,7 @@ fil_decr_pending_ibuf_merges( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Creates the database directory for a table if it does not exist yet. */ static void @@ -1843,7 +1861,7 @@ fil_create_directory_for_tablename( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Writes a log record about an .ibd file create/rename/delete. */ static void @@ -1909,7 +1927,7 @@ fil_op_write_log( } #endif -/*********************************************************************** +/*******************************************************************//** Parses the body of a log record written about an .ibd file operation. That is, the log record part after the standard (type, space id, page no) header of the log record. @@ -1921,7 +1939,8 @@ created does not exist, then we create the directory, too. Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the datadir that we should use in replaying the file operations. -@return end of log record, or NULL if the record was not completely contained between ptr and end_ptr */ +@return end of log record, or NULL if the record was not completely +contained between ptr and end_ptr */ UNIV_INTERN byte* fil_op_log_parse_or_replay( @@ -2078,7 +2097,7 @@ fil_op_log_parse_or_replay( return(ptr); } -/*********************************************************************** +/*******************************************************************//** Deletes a single-table tablespace. The tablespace must be cached in the memory cache. @return TRUE if success */ @@ -2234,7 +2253,7 @@ try_again: } #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Discards a single-table tablespace. The tablespace must be cached in the memory cache. Discarding is like deleting a tablespace, but 1) we do not drop the table from the data dictionary; @@ -2270,7 +2289,7 @@ fil_discard_tablespace( } #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Renames the memory cache structures of a single-table tablespace. @return TRUE if success */ static @@ -2317,7 +2336,7 @@ fil_rename_tablespace_in_mem( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Allocates a file name for a single-table tablespace. The string must be freed by caller with mem_free(). @return own: file name */ @@ -2349,7 +2368,7 @@ fil_make_ibd_name( return(filename); } -/*********************************************************************** +/*******************************************************************//** Renames a single-table tablespace. The tablespace must be cached in the tablespace memory cache. @return TRUE if success */ @@ -2499,7 +2518,7 @@ retry: return(success); } -/*********************************************************************** +/*******************************************************************//** Creates a new single-table tablespace to a database directory of MySQL. Database directories are under the 'datadir' of MySQL. The datadir is the directory of a running mysqld program. We can refer to it by simply the @@ -2708,7 +2727,7 @@ error_exit2: } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** It is possible, though very improbable, that the lsn's in the tablespace to be imported have risen above the current system lsn, if a lengthy purge, ibuf merge, or rollback was performed on a backup taken with ibbackup. If that is @@ -2871,7 +2890,7 @@ func_exit: return(success); } -/************************************************************************ +/********************************************************************//** Tries to open a single-table tablespace and optionally checks the space id is right in it. If does not succeed, prints an error message to the .err log. This function is used to open a tablespace when we start up mysqld, and also in @@ -3007,7 +3026,7 @@ func_exit: #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Allocates a file name for an old version of a single-table tablespace. The string must be freed by caller with mem_free()! @return own: file name */ @@ -3028,7 +3047,7 @@ fil_make_ibbackup_old_name( } #endif /* UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Opens an .ibd file and adds the associated single-table tablespace to the InnoDB fil0fil.c data structures. */ static @@ -3294,11 +3313,12 @@ func_exit: mem_free(filepath); } -/*************************************************************************** +/***********************************************************************//** A fault-tolerant function that tries to read the next file name in the directory. We retry 100 times if os_file_readdir_next_file() returns -1. The idea is to read as much good data as we can and jump over bad data. -@return 0 if ok, -1 if error even after the retries, 1 if at the end of the directory */ +@return 0 if ok, -1 if error even after the retries, 1 if at the end +of the directory */ static int fil_file_readdir_next_file( @@ -3333,7 +3353,7 @@ fil_file_readdir_next_file( return(-1); } -/************************************************************************ +/********************************************************************//** At the server startup, if we need crash recovery, scans the database directories under the MySQL datadir, looking for .ibd files. Those files are single-table tablespaces. We need to know the space id in each of them so that @@ -3462,7 +3482,7 @@ next_datadir_item: return(err); } -/************************************************************************ +/********************************************************************//** If we need crash recovery, and we have called fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), we can call this function to print an error message of orphaned .ibd files @@ -3495,7 +3515,7 @@ fil_print_orphaned_tablespaces(void) mutex_exit(&fil_system->mutex); } -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a single-table tablespace does not exist in the memory cache, or is being deleted there. @return TRUE if does not exist or is being\ deleted */ @@ -3534,7 +3554,7 @@ fil_tablespace_deleted_or_being_deleted_in_mem( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a single-table tablespace exists in the memory cache. @return TRUE if exists */ UNIV_INTERN @@ -3556,7 +3576,7 @@ fil_tablespace_exists_in_mem( return(space != NULL); } -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory cache. Note that if we have not done a crash recovery at the database startup, there may be many tablespaces which are not yet in the memory cache. @@ -3696,7 +3716,7 @@ error_exit: return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Checks if a single-table tablespace for a given table name exists in the tablespace memory cache. @return space id, ULINT_UNDEFINED if not found */ @@ -3733,7 +3753,7 @@ fil_get_space_id_for_table( return(id); } -/************************************************************************** +/**********************************************************************//** Tries to extend a data file so that it would accommodate the number of pages given. The tablespace must be cached in the memory cache. If the space is big enough already, does nothing. @@ -3868,7 +3888,7 @@ fil_extend_space_to_desired_size( } #ifdef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Extends all tablespaces to the size stored in the space header. During the ibbackup --apply-log phase we extended the spaces on-demand so that log records could be applied, but that may have left spaces still too small compared to @@ -3932,7 +3952,7 @@ fil_extend_tablespaces_to_stored_len(void) /*========== RESERVE FREE EXTENTS (for a B-tree split, for example) ===*/ -/*********************************************************************** +/*******************************************************************//** Tries to reserve free extents in a file space. @return TRUE if succeed */ UNIV_INTERN @@ -3966,7 +3986,7 @@ fil_space_reserve_free_extents( return(success); } -/*********************************************************************** +/*******************************************************************//** Releases free extents in a file space. */ UNIV_INTERN void @@ -3991,7 +4011,7 @@ fil_space_release_free_extents( mutex_exit(&fil_system->mutex); } -/*********************************************************************** +/*******************************************************************//** Gets the number of reserved extents. If the database is silent, this number should be zero. */ UNIV_INTERN @@ -4020,7 +4040,7 @@ fil_space_get_n_reserved_extents( /*============================ FILE I/O ================================*/ -/************************************************************************ +/********************************************************************//** NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! Prepares a file node for i/o. Opens the file if it is closed. Updates the @@ -4066,7 +4086,7 @@ fil_node_prepare_for_io( node->n_pending++; } -/************************************************************************ +/********************************************************************//** Updates the data structures when an i/o operation finishes. Updates the pending i/o's field in the node appropriately. */ static @@ -4107,7 +4127,7 @@ fil_node_complete_io( } } -/************************************************************************ +/********************************************************************//** Report information about an invalid page access. */ static void @@ -4135,9 +4155,10 @@ fil_report_invalid_page_access( (ulong) byte_offset, (ulong) len, (ulong) type); } -/************************************************************************ +/********************************************************************//** Reads or writes data. This operation is asynchronous (aio). -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ UNIV_INTERN ulint fil_io( @@ -4357,7 +4378,7 @@ fil_io( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Waits for an aio operation to complete. This function is used to write the handler for completed requests. The aio array of pending requests is divided into segments (see os0file.c for more info). The thread specifies which @@ -4423,7 +4444,7 @@ fil_aio_wait( } #endif /* UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Flushes to disk possible writes cached by the OS. If the space does not exist or is being dropped, does not do anything. */ UNIV_INTERN @@ -4448,7 +4469,7 @@ fil_flush( return; } - space->n_pending_flushes++; /* prevent dropping of the space while + space->n_pending_flushes++; /*!< prevent dropping of the space while we are flushing */ node = UT_LIST_GET_FIRST(space->chain); @@ -4538,7 +4559,7 @@ skip_flush: mutex_exit(&fil_system->mutex); } -/************************************************************************** +/**********************************************************************//** Flushes to disk the writes in file spaces of the given type possibly cached by the OS. */ UNIV_INTERN @@ -4591,7 +4612,7 @@ fil_flush_file_spaces( mem_free(space_ids); } -/********************************************************************** +/******************************************************************//** Checks the consistency of the tablespace cache. @return TRUE if ok */ UNIV_INTERN @@ -4653,7 +4674,7 @@ fil_validate(void) return(TRUE); } -/************************************************************************ +/********************************************************************//** Returns TRUE if file address is undefined. @return TRUE if undefined */ UNIV_INTERN @@ -4665,7 +4686,7 @@ fil_addr_is_null( return(addr.page == FIL_NULL); } -/************************************************************************ +/********************************************************************//** Get the predecessor of a file page. @return FIL_PAGE_PREV */ UNIV_INTERN @@ -4677,7 +4698,7 @@ fil_page_get_prev( return(mach_read_from_4(page + FIL_PAGE_PREV)); } -/************************************************************************ +/********************************************************************//** Get the successor of a file page. @return FIL_PAGE_NEXT */ UNIV_INTERN @@ -4689,7 +4710,7 @@ fil_page_get_next( return(mach_read_from_4(page + FIL_PAGE_NEXT)); } -/************************************************************************* +/*********************************************************************//** Sets the file page type. */ UNIV_INTERN void @@ -4703,9 +4724,10 @@ fil_page_set_type( mach_write_to_2(page + FIL_PAGE_TYPE, type); } -/************************************************************************* +/*********************************************************************//** Gets the file page type. -@return type; NOTE that if the type has not been written to page, the return value not defined */ +@return type; NOTE that if the type has not been written to page, the +return value not defined */ UNIV_INTERN ulint fil_page_get_type( diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index bde079869fc..27d16dd89ed 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file fsp/fsp0fsp.c File space management Created 11/29/1995 Heikki Tuuri @@ -231,7 +232,7 @@ the extent are free and which contain old tuple version to clean. */ #define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Returns an extent to the free list of a space. */ static void @@ -242,7 +243,7 @@ fsp_free_extent( or 0 for uncompressed pages */ ulint page, /*!< in: page offset in the extent */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Frees an extent of a segment to the space free list. */ static void @@ -254,7 +255,7 @@ fseg_free_extent( or 0 for uncompressed pages */ ulint page, /*!< in: page offset in the extent */ mtr_t* mtr); /*!< in: mtr handle */ -/************************************************************************** +/**********************************************************************//** Calculates the number of pages reserved by a segment, and how many pages are currently used. @return number of reserved pages */ @@ -265,7 +266,7 @@ fseg_n_reserved_pages_low( fseg_inode_t* header, /*!< in: segment inode */ ulint* used, /*!< out: number of pages used (<= reserved) */ mtr_t* mtr); /*!< in: mtr handle */ -/************************************************************************ +/********************************************************************//** Marks a page used. The page must reside within the extents of the given segment. */ static @@ -278,7 +279,7 @@ fseg_mark_page_used( or 0 for uncompressed pages */ ulint page, /*!< in: page offset */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Returns the first extent descriptor for a segment. We think of the extent lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL -> FSEG_FREE. @@ -292,7 +293,7 @@ fseg_get_first_extent( ulint zip_size,/*!< in: compressed page size in bytes or 0 for uncompressed pages */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Puts new extents to the free list if there are free extents above the free limit. If an extent happens to contain an extent descriptor page, the extent is put to @@ -309,7 +310,7 @@ fsp_fill_free_list( ulint space, /*!< in: space */ fsp_header_t* header, /*!< in: space header */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -331,7 +332,7 @@ fseg_alloc_free_page_low( mtr_t* mtr); /*!< in: mtr handle */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Reads the file space size stored in the header page. @return tablespace size stored in the space header */ UNIV_INTERN @@ -344,7 +345,7 @@ fsp_get_size_low( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Gets a pointer to the space header and x-locks its page. @return pointer to the space header, page x-locked */ UNIV_INLINE @@ -374,7 +375,7 @@ fsp_get_space_header( return(header); } -/************************************************************************** +/**********************************************************************//** Gets a descriptor bit of a page. @return TRUE if free */ UNIV_INLINE @@ -405,7 +406,7 @@ xdes_get_bit( bit_index)); } -/************************************************************************** +/**********************************************************************//** Sets a descriptor bit of a page. */ UNIV_INLINE void @@ -440,7 +441,7 @@ xdes_set_bit( MLOG_1BYTE, mtr); } -/************************************************************************** +/**********************************************************************//** Looks for a descriptor bit having the desired value. Starts from hint and scans upward; at the end of the extent the search is wrapped to the start of the extent. @@ -478,7 +479,7 @@ xdes_find_bit( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Looks for a descriptor bit having the desired value. Scans the extent in a direction opposite to xdes_find_bit. @return bit index of the bit, ULINT_UNDEFINED if not found */ @@ -515,7 +516,7 @@ xdes_find_bit_downward( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Returns the number of used pages in a descriptor. @return number of pages used */ UNIV_INLINE @@ -539,7 +540,7 @@ xdes_get_n_used( return(count); } -/************************************************************************** +/**********************************************************************//** Returns true if extent contains no used pages. @return TRUE if totally free */ UNIV_INLINE @@ -557,7 +558,7 @@ xdes_is_free( return(FALSE); } -/************************************************************************** +/**********************************************************************//** Returns true if extent contains no free pages. @return TRUE if full */ UNIV_INLINE @@ -575,7 +576,7 @@ xdes_is_full( return(FALSE); } -/************************************************************************** +/**********************************************************************//** Sets the state of an xdes. */ UNIV_INLINE void @@ -593,7 +594,7 @@ xdes_set_state( mlog_write_ulint(descr + XDES_STATE, state, MLOG_4BYTES, mtr); } -/************************************************************************** +/**********************************************************************//** Gets the state of an xdes. @return state */ UNIV_INLINE @@ -613,7 +614,7 @@ xdes_get_state( return(state); } -/************************************************************************** +/**********************************************************************//** Inits an extent descriptor to the free and clean state. */ UNIV_INLINE void @@ -635,7 +636,7 @@ xdes_init( xdes_set_state(descr, XDES_FREE, mtr); } -/************************************************************************ +/********************************************************************//** Calculates the page where the descriptor of a page resides. @return descriptor page offset */ UNIV_INLINE @@ -646,14 +647,16 @@ xdes_calc_descriptor_page( 0 for uncompressed pages */ ulint offset) /*!< in: page offset */ { -#if UNIV_PAGE_SIZE <= XDES_ARR_OFFSET \ +#ifndef DOXYGEN /* Doxygen gets confused of these */ +# if UNIV_PAGE_SIZE <= XDES_ARR_OFFSET \ + (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE -# error -#endif -#if PAGE_ZIP_MIN_SIZE <= XDES_ARR_OFFSET \ +# error +# endif +# if PAGE_ZIP_MIN_SIZE <= XDES_ARR_OFFSET \ + (PAGE_ZIP_MIN_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE -# error -#endif +# error +# endif +#endif /* !DOXYGEN */ ut_ad(ut_is_2pow(zip_size)); if (!zip_size) { @@ -665,7 +668,7 @@ xdes_calc_descriptor_page( } } -/************************************************************************ +/********************************************************************//** Calculates the descriptor index within a descriptor page. @return descriptor index */ UNIV_INLINE @@ -686,13 +689,14 @@ xdes_calc_descriptor_index( } } -/************************************************************************ +/********************************************************************//** Gets pointer to a the extent descriptor of a page. The page where the extent descriptor resides is x-locked. If the page offset is equal to the free limit of the space, adds new extents from above the free limit to the space free list, if not free limit == space size. This adding is necessary to make the descriptor defined, as they are uninitialized above the free limit. -@return pointer to the extent descriptor, NULL if the page does not exist in the space or if offset > free limit */ +@return pointer to the extent descriptor, NULL if the page does not +exist in the space or if the offset exceeds the free limit */ UNIV_INLINE xdes_t* xdes_get_descriptor_with_space_hdr( @@ -756,14 +760,15 @@ xdes_get_descriptor_with_space_hdr( + XDES_SIZE * xdes_calc_descriptor_index(zip_size, offset)); } -/************************************************************************ +/********************************************************************//** Gets pointer to a the extent descriptor of a page. The page where the extent descriptor resides is x-locked. If the page offset is equal to the free limit of the space, adds new extents from above the free limit to the space free list, if not free limit == space size. This adding is necessary to make the descriptor defined, as they are uninitialized above the free limit. -@return pointer to the extent descriptor, NULL if the page does not exist in the space or if offset > free limit */ +@return pointer to the extent descriptor, NULL if the page does not +exist in the space or if the offset exceeds the free limit */ static xdes_t* xdes_get_descriptor( @@ -786,7 +791,7 @@ xdes_get_descriptor( mtr)); } -/************************************************************************ +/********************************************************************//** Gets pointer to a the extent descriptor if the file address of the descriptor list node is known. The page where the extent descriptor resides is x-locked. @@ -813,7 +818,7 @@ xdes_lst_get_descriptor( return(descr); } -/************************************************************************ +/********************************************************************//** Returns page offset of the first page in extent described by a descriptor. @return offset of the first page in extent */ UNIV_INLINE @@ -830,7 +835,7 @@ xdes_get_offset( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Inits a file page whose prior contents should be ignored. */ static void @@ -871,7 +876,7 @@ fsp_init_file_page_low( } #ifndef UNIV_HOTBACKUP -/*************************************************************** +/***********************************************************//** Inits a file page whose prior contents should be ignored. */ static void @@ -887,7 +892,7 @@ fsp_init_file_page( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of a file page init. @return end of log record or NULL */ UNIV_INTERN @@ -907,7 +912,7 @@ fsp_parse_init_file_page( return(ptr); } -/************************************************************************** +/**********************************************************************//** Initializes the fsp system. */ UNIV_INTERN void @@ -917,7 +922,7 @@ fsp_init(void) /* Does nothing at the moment */ } -/************************************************************************** +/**********************************************************************//** Writes the space id and compressed page size to a tablespace header. This function is used past the buffer pool when we in fil0fil.c create a new single-table tablespace. */ @@ -943,7 +948,7 @@ fsp_header_init_fields( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Initializes the space header of a new created space and creates also the insert buffer tree root if space == 0. */ UNIV_INTERN @@ -1006,7 +1011,7 @@ fsp_header_init( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Reads the space id from the first page of a tablespace. @return space id, ULINT UNDEFINED if error */ UNIV_INTERN @@ -1034,7 +1039,7 @@ fsp_header_get_space_id( return(id); } -/************************************************************************** +/**********************************************************************//** Reads the space flags from the first page of a tablespace. @return flags */ UNIV_INTERN @@ -1048,7 +1053,7 @@ fsp_header_get_flags( return(mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page)); } -/************************************************************************** +/**********************************************************************//** Reads the compressed page size from the first page of a tablespace. @return compressed page size in bytes, or 0 if uncompressed */ UNIV_INTERN @@ -1063,7 +1068,7 @@ fsp_header_get_zip_size( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Increases the space size field of a space. */ UNIV_INTERN void @@ -1091,7 +1096,7 @@ fsp_header_inc_size( mtr); } -/************************************************************************** +/**********************************************************************//** Gets the current free limit of the system tablespace. The free limit means the place of the first page which has never been put to the the free list for allocation. The space above that address is initialized @@ -1123,7 +1128,7 @@ fsp_header_get_free_limit(void) return(limit); } -/************************************************************************** +/**********************************************************************//** Gets the size of the system tablespace from the tablespace header. If we do not have an auto-extending data file, this should be equal to the size of the data files. If there is an auto-extending data file, @@ -1151,7 +1156,7 @@ fsp_header_get_tablespace_size(void) return(size); } -/*************************************************************************** +/***********************************************************************//** Tries to extend a single-table tablespace so that a page would fit in the data file. @return TRUE if success */ @@ -1184,7 +1189,7 @@ fsp_try_extend_data_file_with_pages( return(success); } -/*************************************************************************** +/***********************************************************************//** Tries to extend the last data file of a tablespace if it is auto-extending. @return FALSE if not auto-extending */ static @@ -1247,7 +1252,7 @@ fsp_try_extend_data_file( at a time, but for bigger tablespaces more. It is not enough to extend always by one extent, because some extents are frag page extents. */ - ulint extent_size; /* one megabyte, in pages */ + ulint extent_size; /*!< one megabyte, in pages */ if (!zip_size) { extent_size = FSP_EXTENT_SIZE; @@ -1306,7 +1311,7 @@ fsp_try_extend_data_file( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Puts new extents to the free list if there are free extents above the free limit. If an extent happens to contain an extent descriptor page, the extent is put to the FSP_FREE_FRAG list with the page marked as used. */ @@ -1469,7 +1474,7 @@ fsp_fill_free_list( } } -/************************************************************************** +/**********************************************************************//** Allocates a new free extent. @return extent descriptor, NULL if cannot be allocated */ static @@ -1519,7 +1524,7 @@ fsp_alloc_free_extent( return(descr); } -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a space. The page is marked as used. @return the page offset, FIL_NULL if no page could be allocated */ static @@ -1660,7 +1665,7 @@ fsp_alloc_free_page( return(page_no); } -/************************************************************************** +/**********************************************************************//** Frees a single page of a space. The page is marked as free and clean. */ static void @@ -1750,7 +1755,7 @@ fsp_free_page( } } -/************************************************************************** +/**********************************************************************//** Returns an extent to the free list of a space. */ static void @@ -1784,7 +1789,7 @@ fsp_free_extent( flst_add_last(header + FSP_FREE, descr + XDES_FLST_NODE, mtr); } -/************************************************************************** +/**********************************************************************//** Returns the nth inode slot on an inode page. @return segment inode */ UNIV_INLINE @@ -1804,7 +1809,7 @@ fsp_seg_inode_page_get_nth_inode( return(page + FSEG_ARR_OFFSET + FSEG_INODE_SIZE * i); } -/************************************************************************** +/**********************************************************************//** Looks for a used segment inode on a segment inode page. @return segment inode index, or ULINT_UNDEFINED if not found */ static @@ -1833,7 +1838,7 @@ fsp_seg_inode_page_find_used( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Looks for an unused segment inode on a segment inode page. @return segment inode index, or ULINT_UNDEFINED if not found */ static @@ -1862,7 +1867,7 @@ fsp_seg_inode_page_find_free( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Allocates a new file segment inode page. @return TRUE if could be allocated */ static @@ -1916,7 +1921,7 @@ fsp_alloc_seg_inode_page( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Allocates a new file segment inode. @return segment inode, or NULL if not enough space */ static @@ -1978,7 +1983,7 @@ fsp_alloc_seg_inode( return(inode); } -/************************************************************************** +/**********************************************************************//** Frees a file segment inode. */ static void @@ -2026,7 +2031,7 @@ fsp_free_seg_inode( } } -/************************************************************************** +/**********************************************************************//** Returns the file segment inode, page x-latched. @return segment inode, page x-latched */ static @@ -2053,7 +2058,7 @@ fseg_inode_get( return(inode); } -/************************************************************************** +/**********************************************************************//** Gets the page number from the nth fragment page slot. @return page number, FIL_NULL if not in use */ UNIV_INLINE @@ -2071,7 +2076,7 @@ fseg_get_nth_frag_page_no( + n * FSEG_FRAG_SLOT_SIZE)); } -/************************************************************************** +/**********************************************************************//** Sets the page number in the nth fragment page slot. */ UNIV_INLINE void @@ -2090,7 +2095,7 @@ fseg_set_nth_frag_page_no( page_no, MLOG_4BYTES, mtr); } -/************************************************************************** +/**********************************************************************//** Finds a fragment page slot which is free. @return slot index; ULINT_UNDEFINED if none found */ static @@ -2117,7 +2122,7 @@ fseg_find_free_frag_page_slot( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Finds a fragment page slot which is used and last in the array. @return slot index; ULINT_UNDEFINED if none found */ static @@ -2145,7 +2150,7 @@ fseg_find_last_used_frag_page_slot( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Calculates reserved fragment page slots. @return number of fragment pages */ static @@ -2169,9 +2174,10 @@ fseg_get_n_frag_pages( return(count); } -/************************************************************************** +/**********************************************************************//** Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create_general( @@ -2302,9 +2308,10 @@ funct_exit: return(block); } -/************************************************************************** +/**********************************************************************//** Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create( @@ -2321,7 +2328,7 @@ fseg_create( return(fseg_create_general(space, page, byte_offset, FALSE, mtr)); } -/************************************************************************** +/**********************************************************************//** Calculates the number of pages reserved by a segment, and how many pages are currently used. @return number of reserved pages */ @@ -2350,7 +2357,7 @@ fseg_n_reserved_pages_low( return(ret); } -/************************************************************************** +/**********************************************************************//** Calculates the number of pages reserved by a segment, and how many pages are currently used. @return number of reserved pages */ @@ -2385,7 +2392,7 @@ fseg_n_reserved_pages( return(ret); } -/************************************************************************* +/*********************************************************************//** Tries to fill the free list of a segment with consecutive free extents. This happens if the segment is big enough to allow extents in the free list, the free list is empty, and the extents can be allocated consecutively from @@ -2449,11 +2456,12 @@ fseg_fill_free_list( } } -/************************************************************************* +/*********************************************************************//** Allocates a free extent for the segment: looks first in the free list of the segment, then tries to allocate from the space free list. NOTE that the extent returned still resides in the segment free list, it is not yet taken off it! -@return allocated extent, still placed in the segment free list, NULL if could not be allocated */ +@return allocated extent, still placed in the segment free list, NULL +if could not be allocated */ static xdes_t* fseg_alloc_free_extent( @@ -2500,7 +2508,7 @@ fseg_alloc_free_extent( return(descr); } -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -2526,10 +2534,10 @@ fseg_alloc_free_page_low( dulint seg_id; ulint used; ulint reserved; - xdes_t* descr; /* extent of the hinted page */ - ulint ret_page; /* the allocated page offset, FIL_NULL + xdes_t* descr; /*!< extent of the hinted page */ + ulint ret_page; /*!< the allocated page offset, FIL_NULL if could not be allocated */ - xdes_t* ret_descr; /* the extent of the allocated page */ + xdes_t* ret_descr; /*!< the extent of the allocated page */ ibool frag_page_allocated = FALSE; ibool success; ulint n; @@ -2748,7 +2756,7 @@ fseg_alloc_free_page_low( return(ret_page); } -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -2819,7 +2827,7 @@ fseg_alloc_free_page_general( return(page_no); } -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -2841,7 +2849,7 @@ fseg_alloc_free_page( FALSE, mtr)); } -/************************************************************************** +/**********************************************************************//** Checks that we have at least 2 frag pages free in the first extent of a single-table tablespace, and they are also physically initialized to the data file. That is we have already extended the data file so that those pages are @@ -2880,7 +2888,7 @@ fsp_reserve_free_pages( space_header, mtr)); } -/************************************************************************** +/**********************************************************************//** Reserves free pages from a tablespace. All mini-transactions which may use several pages from the tablespace should call this function beforehand and reserve enough free extents so that they certainly will be able @@ -3016,7 +3024,7 @@ try_to_extend: return(FALSE); } -/************************************************************************** +/**********************************************************************//** This function should be used to get information on how much we still will be able to insert new data to the database without running out the tablespace. Only free extents are taken into account and we also subtract @@ -3107,7 +3115,7 @@ fsp_get_available_space_in_free_extents( } } -/************************************************************************ +/********************************************************************//** Marks a page used. The page must reside within the extents of the given segment. */ static @@ -3165,7 +3173,7 @@ fseg_mark_page_used( } } -/************************************************************************** +/**********************************************************************//** Frees a single page of a segment. */ static void @@ -3304,7 +3312,7 @@ crash: } } -/************************************************************************** +/**********************************************************************//** Frees a single page of a segment. */ UNIV_INTERN void @@ -3337,7 +3345,7 @@ fseg_free_page( #endif } -/************************************************************************** +/**********************************************************************//** Frees an extent of a segment to the space free list. */ static void @@ -3408,7 +3416,7 @@ fseg_free_extent( #endif } -/************************************************************************** +/**********************************************************************//** Frees part of a segment. This function can be used to free a segment by repeatedly calling this function in different mini-transactions. Doing the freeing in a single mini-transaction might result in too big a @@ -3491,7 +3499,7 @@ fseg_free_step( return(FALSE); } -/************************************************************************** +/**********************************************************************//** Frees part of a segment. Differs from fseg_free_step because this function leaves the header page unfreed. @return TRUE if freeing completed, except the header page */ @@ -3556,7 +3564,7 @@ fseg_free_step_not_header( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Frees a segment. The freeing is performed in several mini-transactions, so that there is no danger of bufferfixing too many buffer pages. */ UNIV_INTERN @@ -3595,7 +3603,7 @@ fseg_free( } } -/************************************************************************** +/**********************************************************************//** Returns the first extent descriptor for a segment. We think of the extent lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL -> FSEG_FREE. @@ -3641,7 +3649,7 @@ fseg_get_first_extent( return(descr); } -/*********************************************************************** +/*******************************************************************//** Validates a segment. @return TRUE if ok */ static @@ -3750,7 +3758,7 @@ fseg_validate_low( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Validates a segment. @return TRUE if ok */ UNIV_INTERN @@ -3778,7 +3786,7 @@ fseg_validate( return(ret); } -/*********************************************************************** +/*******************************************************************//** Writes info of a segment. */ static void @@ -3831,7 +3839,7 @@ fseg_print_low( } #ifdef UNIV_BTR_PRINT -/*********************************************************************** +/*******************************************************************//** Writes info of a segment. */ UNIV_INTERN void @@ -3856,7 +3864,7 @@ fseg_print( } #endif /* UNIV_BTR_PRINT */ -/*********************************************************************** +/*******************************************************************//** Validates the file space system and its segments. @return TRUE if ok */ UNIV_INTERN @@ -4111,7 +4119,7 @@ fsp_validate( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Prints info of a file space. */ UNIV_INTERN void diff --git a/fut/fut0fut.c b/fut/fut0fut.c index 41ee0cb6715..20b45a575e6 100644 --- a/fut/fut0fut.c +++ b/fut/fut0fut.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file fut/fut0fut.c File-based utilities Created 12/13/1995 Heikki Tuuri diff --git a/fut/fut0lst.c b/fut/fut0lst.c index 23917713c3e..a1e21c22725 100644 --- a/fut/fut0lst.c +++ b/fut/fut0lst.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file fut/fut0lst.c File-based list utilities Created 11/28/1995 Heikki Tuuri @@ -31,7 +32,7 @@ Created 11/28/1995 Heikki Tuuri #include "buf0buf.h" #include "page0page.h" -/************************************************************************ +/********************************************************************//** Adds a node to an empty list. */ static void @@ -67,7 +68,7 @@ flst_add_to_empty( mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Adds a node as the last node in a list. */ UNIV_INTERN void @@ -110,7 +111,7 @@ flst_add_last( } } -/************************************************************************ +/********************************************************************//** Adds a node as the first node in a list. */ UNIV_INTERN void @@ -153,7 +154,7 @@ flst_add_first( } } -/************************************************************************ +/********************************************************************//** Inserts a node after another in a list. */ UNIV_INTERN void @@ -208,7 +209,7 @@ flst_insert_after( mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Inserts a node before another in a list. */ UNIV_INTERN void @@ -262,7 +263,7 @@ flst_insert_before( mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Removes a node. */ UNIV_INTERN void @@ -337,7 +338,7 @@ flst_remove( mlog_write_ulint(base + FLST_LEN, len - 1, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Cuts off the tail of the list, including the node given. The number of nodes which will be removed must be provided by the caller, as this function does not measure the length of the tail. */ @@ -394,7 +395,7 @@ flst_cut_end( mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Cuts off the tail of the list, not including the given node. The number of nodes which will be removed must be provided by the caller, as this function does not measure the length of the tail. */ @@ -435,7 +436,7 @@ flst_truncate_end( mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Validates a file-based list. @return TRUE if ok */ UNIV_INTERN @@ -502,7 +503,7 @@ flst_validate( return(TRUE); } -/************************************************************************ +/********************************************************************//** Prints info of a file-based list. */ UNIV_INTERN void diff --git a/ha/ha0ha.c b/ha/ha0ha.c index c477d0d3999..da860c619ae 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file ha/ha0ha.c The hash table with external chains Created 8/22/1994 Heikki Tuuri @@ -35,9 +36,9 @@ Created 8/22/1994 Heikki Tuuri #endif /* UNIV_SYNC_DEBUG */ #include "page0page.h" -/***************************************************************** -Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. +/*************************************************************//** +Creates a hash table with at least n array cells. The actual number +of cells is chosen to be a prime number slightly bigger than n. @return own: created table */ UNIV_INTERN hash_table_t* @@ -56,6 +57,7 @@ ha_create_func( ulint i; #endif /* !UNIV_HOTBACKUP */ + ut_ad(ut_is_2pow(n)); table = hash_create(n); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG @@ -88,7 +90,7 @@ ha_create_func( return(table); } -/***************************************************************** +/*************************************************************//** Empties a hash table and frees the memory heaps. */ UNIV_INTERN void @@ -120,7 +122,7 @@ ha_clear( } } -/***************************************************************** +/*************************************************************//** Inserts an entry into a hash table. If an entry with the same fold number is found, its node is updated to point to the new data, and no new node is inserted. @@ -226,7 +228,7 @@ ha_insert_for_fold_func( return(TRUE); } -/*************************************************************** +/***********************************************************//** Deletes a hash node. */ UNIV_INTERN void @@ -248,7 +250,7 @@ ha_delete_hash_node( HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); } -/***************************************************************** +/*************************************************************//** Deletes an entry from a hash table. */ UNIV_INTERN void @@ -270,14 +272,14 @@ ha_delete( ha_delete_hash_node(table, node); } -/************************************************************* +/*********************************************************//** Looks for an element when we know the pointer to the data, and updates the pointer to data, if found. */ UNIV_INTERN void ha_search_and_update_if_found_func( /*===============================*/ - hash_table_t* table, /*!< in: hash table */ + hash_table_t* table, /*!< in/out: hash table */ ulint fold, /*!< in: folded value of the searched data */ void* data, /*!< in: pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG @@ -311,7 +313,7 @@ ha_search_and_update_if_found_func( } #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Removes from the chain determined by fold all nodes whose data pointer points to the page given. */ UNIV_INTERN @@ -357,7 +359,7 @@ ha_remove_all_nodes_to_page( #endif } -/***************************************************************** +/*************************************************************//** Validates a given range of the cells in hash table. @return TRUE if ok */ UNIV_INTERN @@ -402,7 +404,7 @@ ha_validate( return(ok); } -/***************************************************************** +/*************************************************************//** Prints info of a hash table. */ UNIV_INTERN void diff --git a/ha/ha0storage.c b/ha/ha0storage.c index 431dbd164fc..698e34f1166 100644 --- a/ha/ha0storage.c +++ b/ha/ha0storage.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file ha/ha0storage.c Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. @@ -34,7 +35,7 @@ Created September 22, 2007 Vasil Dimov #include "ha0storage.ic" #endif -/*********************************************************************** +/*******************************************************************//** Retrieves a data from a storage. If it is present, a pointer to the stored copy of data is returned, otherwise NULL is returned. */ static @@ -73,7 +74,7 @@ ha_storage_get( return(node->data); } -/*********************************************************************** +/*******************************************************************//** Copies data into the storage and returns a pointer to the copy. If the same data chunk is already present, then pointer to it is returned. Data chunks are considered to be equal if len1 == len2 and diff --git a/ha/hash0hash.c b/ha/hash0hash.c index b94239eb613..2800d7793f8 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file ha/hash0hash.c The simple hash table utility Created 5/20/1997 Heikki Tuuri @@ -30,7 +31,7 @@ Created 5/20/1997 Heikki Tuuri #include "mem0mem.h" #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Reserves the mutex for a fold value in a hash table. */ UNIV_INTERN void @@ -42,7 +43,7 @@ hash_mutex_enter( mutex_enter(hash_get_mutex(table, fold)); } -/**************************************************************** +/************************************************************//** Releases the mutex for a fold value in a hash table. */ UNIV_INTERN void @@ -54,7 +55,7 @@ hash_mutex_exit( mutex_exit(hash_get_mutex(table, fold)); } -/**************************************************************** +/************************************************************//** Reserves all the mutexes of a hash table, in an ascending order. */ UNIV_INTERN void @@ -70,7 +71,7 @@ hash_mutex_enter_all( } } -/**************************************************************** +/************************************************************//** Releases all the mutexes of a hash table. */ UNIV_INTERN void @@ -87,7 +88,7 @@ hash_mutex_exit_all( } #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Creates a hash table with >= n array cells. The actual number of cells is chosen to be a prime number slightly bigger than n. @return own: created table */ @@ -126,7 +127,7 @@ hash_create( return(table); } -/***************************************************************** +/*************************************************************//** Frees a hash table. */ UNIV_INTERN void @@ -143,7 +144,7 @@ hash_table_free( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Creates a mutex array to protect a hash table. */ UNIV_INTERN void diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index bd8f7e40b0f..ac939cd0580 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -202,7 +202,8 @@ static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root); -/**************************************************************** +/************************************************************//** +@file handler/ha_innodb.cc Validate the file format name and return its corresponding id. @return valid file format id */ static @@ -211,7 +212,7 @@ innobase_file_format_name_lookup( /*=============================*/ const char* format_name); /*!< in: pointer to file format name */ -/**************************************************************** +/************************************************************//** Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. @return true if one of "on" or "off" */ @@ -220,7 +221,7 @@ bool innobase_file_format_check_on_off( /*==============================*/ const char* format_check); /*!< in: parameter value */ -/**************************************************************** +/************************************************************//** Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. @return true if valid config value */ @@ -229,7 +230,7 @@ bool innobase_file_format_check_validate( /*================================*/ const char* format_check); /*!< in: parameter value */ -/******************************************************************** +/****************************************************************//** Return alter table flags supported in an InnoDB database. */ static uint @@ -239,7 +240,7 @@ innobase_alter_table_flags( static const char innobase_hton_name[]= "InnoDB"; -/***************************************************************** +/*************************************************************//** Check for a valid value of innobase_commit_concurrency. @return 0 for valid innodb_commit_concurrency */ static @@ -297,29 +298,31 @@ static handler *innobase_create_handler(handlerton *hton, return new (mem_root) ha_innobase(hton, table); } -/*********************************************************************** -This function is used to prepare X/Open XA distributed transaction +/*******************************************************************//** +This function is used to prepare an X/Open XA distributed transaction. @return 0 or error number */ static int innobase_xa_prepare( /*================*/ - handlerton* hton, - THD* thd, /*!< in: handle to the MySQL thread of the user - whose XA transaction should be prepared */ - bool all); /*!< in: TRUE - commit transaction - FALSE - the current SQL statement ended */ -/*********************************************************************** -This function is used to recover X/Open XA distributed transactions + handlerton* hton, /*!< in: InnoDB handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of + the user whose XA transaction should + be prepared */ + bool all); /*!< in: TRUE - commit transaction + FALSE - the current SQL statement + ended */ +/*******************************************************************//** +This function is used to recover X/Open XA distributed transactions. @return number of prepared transactions stored in xid_list */ static int innobase_xa_recover( /*================*/ - handlerton* hton, - XID* xid_list, /*!< in/out: prepared transactions */ - uint len); /*!< in: number of slots in xid_list */ -/*********************************************************************** + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid_list,/*!< in/out: prepared transactions */ + uint len); /*!< in: number of slots in xid_list */ +/*******************************************************************//** This function is used to commit one X/Open XA distributed transaction which is in the prepared state @return 0 or error number */ @@ -329,7 +332,7 @@ innobase_commit_by_xid( /*===================*/ handlerton* hton, XID* xid); /*!< in: X/Open XA transaction identification */ -/*********************************************************************** +/*******************************************************************//** This function is used to rollback one X/Open XA distributed transaction which is in the prepared state @return 0 or error number */ @@ -337,9 +340,10 @@ static int innobase_rollback_by_xid( /*=====================*/ - handlerton* hton, - XID *xid); /*!< in: X/Open XA transaction identification */ -/*********************************************************************** + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid); /*!< in: X/Open XA transaction + identification */ +/*******************************************************************//** Create a consistent view for a cursor based on current transaction which is created if the corresponding MySQL thread still lacks one. This consistent view is then used inside of MySQL when accessing records @@ -351,7 +355,7 @@ innobase_create_cursor_view( /*========================*/ handlerton* hton, /*!< in: innobase hton */ THD* thd); /*!< in: user thread handle */ -/*********************************************************************** +/*******************************************************************//** Set the given consistent cursor view to a transaction which is created if the corresponding MySQL thread still lacks one. If the given consistent cursor view is NULL global read view of a transaction is @@ -363,7 +367,7 @@ innobase_set_cursor_view( handlerton* hton, THD* thd, /*!< in: user thread handle */ void* curview);/*!< in: Consistent cursor view to be set */ -/*********************************************************************** +/*******************************************************************//** Close the given consistent cursor view of a transaction and restore global read view to a transaction read view. Transaction is created if the corresponding MySQL thread still lacks one. */ @@ -374,7 +378,7 @@ innobase_close_cursor_view( handlerton* hton, THD* thd, /*!< in: user thread handle */ void* curview);/*!< in: Consistent read view to be closed */ -/********************************************************************* +/*****************************************************************//** Removes all tables in the named database inside InnoDB. */ static void @@ -385,13 +389,13 @@ innobase_drop_database( of the last directory in the path is used as the database name: for example, in 'mysql/data/test' the database name is 'test' */ -/*********************************************************************** +/*******************************************************************//** Closes an InnoDB database. */ static int innobase_end(handlerton *hton, ha_panic_function type); -/********************************************************************* +/*****************************************************************//** Creates an InnoDB transaction struct for the thd if it does not yet have one. Starts a new InnoDB transaction if a transaction is not yet started. And assigns a new snapshot for a consistent read if the transaction does not yet @@ -404,7 +408,7 @@ innobase_start_trx_and_assign_read_view( handlerton* hton, /*!< in: Innodb handlerton */ THD* thd); /*!< in: MySQL thread handle of the user for whom the transaction should be committed */ -/******************************************************************** +/****************************************************************//** Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes the logs, and the name of this function should be innobase_checkpoint. @return TRUE if error */ @@ -414,7 +418,7 @@ innobase_flush_logs( /*================*/ handlerton* hton); /*!< in: InnoDB handlerton */ -/**************************************************************************** +/************************************************************************//** Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB Monitor to the client. */ static @@ -429,7 +433,7 @@ bool innobase_show_status(handlerton *hton, THD* thd, stat_print_fn* stat_print, enum ha_stat_type stat_type); -/********************************************************************* +/*****************************************************************//** Commits a transaction in an InnoDB database. */ static void @@ -533,7 +537,7 @@ static SHOW_VAR innodb_status_variables[]= { /* General functions */ -/********************************************************************** +/******************************************************************//** Returns true if the thread is the replication thread on the slave server. Used in srv_conc_enter_innodb() to determine if the thread should be allowed to enter InnoDB - the replication thread is treated @@ -549,7 +553,7 @@ thd_is_replication_slave_thread( return((ibool) thd_slave_thread((THD*) thd)); } -/********************************************************************** +/******************************************************************//** Save some CPU by testing the value of srv_thread_concurrency in inline functions. */ static inline @@ -566,7 +570,7 @@ innodb_srv_conc_enter_innodb( srv_conc_enter_innodb(trx); } -/********************************************************************** +/******************************************************************//** Save some CPU by testing the value of srv_thread_concurrency in inline functions. */ static inline @@ -583,7 +587,7 @@ innodb_srv_conc_exit_innodb( srv_conc_exit_innodb(trx); } -/********************************************************************** +/******************************************************************//** Releases possible search latch and InnoDB thread FIFO ticket. These should be released at each SQL statement end, and also when mysqld passes the control to the client. It does no harm to release these also in the middle @@ -605,7 +609,7 @@ innobase_release_stat_resources( } } -/********************************************************************** +/******************************************************************//** Returns true if the transaction this thread is processing has edited non-transactional tables. Used by the deadlock detector when deciding which transaction to rollback in case of a deadlock - we try to avoid @@ -620,7 +624,7 @@ thd_has_edited_nontrans_tables( return((ibool) thd_non_transactional_update((THD*) thd)); } -/********************************************************************** +/******************************************************************//** Returns true if the thread is executing a SELECT statement. @return true if thd is executing SELECT */ extern "C" UNIV_INTERN @@ -632,7 +636,7 @@ thd_is_select( return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); } -/********************************************************************** +/******************************************************************//** Returns true if the thread supports XA, global value of innodb_supports_xa if thd is NULL. @return true if thd has XA support */ @@ -646,7 +650,7 @@ thd_supports_xa( return(THDVAR((THD*) thd, support_xa)); } -/********************************************************************** +/******************************************************************//** Returns the lock wait timeout for the current connection. @return the lock wait timeout, in seconds */ extern "C" UNIV_INTERN @@ -661,7 +665,7 @@ thd_lock_wait_timeout( return(THDVAR((THD*) thd, lock_wait_timeout)); } -/************************************************************************ +/********************************************************************//** Obtain the InnoDB transaction of a MySQL thread. @return reference to transaction pointer */ static inline @@ -673,7 +677,7 @@ thd_to_trx( return(*(trx_t**) thd_ha_data(thd, innodb_hton_ptr)); } -/************************************************************************ +/********************************************************************//** Call this function when mysqld passes control to the client. That is to avoid deadlocks on the adaptive hash S-latch possibly held by thd. For more documentation, see handler.cc. @@ -702,7 +706,7 @@ innobase_release_temporary_latches( return(0); } -/************************************************************************ +/********************************************************************//** Increments innobase_active_counter and every INNOBASE_WAKE_INTERVALth time calls srv_active_wake_master_thread. This function should be used when a single database operation may introduce a small need for @@ -719,7 +723,7 @@ innobase_active_small(void) } } -/************************************************************************ +/********************************************************************//** Converts an InnoDB error code to a MySQL error code and also tells to MySQL about a possible transaction rollback inside InnoDB caused by a lock wait timeout or a deadlock. @@ -843,7 +847,7 @@ convert_error_code_to_mysql( } } -/***************************************************************** +/*************************************************************//** If you want to print a thd that is not associated with the current thread, you must call this function before reserving the InnoDB kernel_mutex, to protect MySQL from setting thd->query NULL. If you print a thd of the current @@ -859,7 +863,7 @@ innobase_mysql_prepare_print_arbitrary_thd(void) VOID(pthread_mutex_lock(&LOCK_thread_count)); } -/***************************************************************** +/*************************************************************//** Releases the mutex reserved by innobase_mysql_prepare_print_arbitrary_thd(). In the InnoDB latching order, the mutex sits right above the kernel_mutex. In debug builds, we assert that the kernel_mutex is @@ -873,7 +877,7 @@ innobase_mysql_end_print_arbitrary_thd(void) VOID(pthread_mutex_unlock(&LOCK_thread_count)); } -/***************************************************************** +/*************************************************************//** Prints info of a THD object (== user session thread) to the given file. */ extern "C" UNIV_INTERN void @@ -891,7 +895,7 @@ innobase_mysql_print_thd( putc('\n', f); } -/********************************************************************** +/******************************************************************//** Get the variable length bounds of the given character set. */ extern "C" UNIV_INTERN void @@ -916,7 +920,7 @@ innobase_get_cset_width( } } -/********************************************************************** +/******************************************************************//** Converts an identifier to a table name. */ extern "C" UNIV_INTERN void @@ -932,7 +936,7 @@ innobase_convert_from_table_id( strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors); } -/********************************************************************** +/******************************************************************//** Converts an identifier to UTF-8. */ extern "C" UNIV_INTERN void @@ -948,7 +952,7 @@ innobase_convert_from_id( strconvert(cs, from, system_charset_info, to, (uint) len, &errors); } -/********************************************************************** +/******************************************************************//** Compares NUL-terminated UTF-8 strings case insensitively. @return 0 if a=b, <0 if a1 if a>b */ extern "C" UNIV_INTERN @@ -961,7 +965,7 @@ innobase_strcasecmp( return(my_strcasecmp(system_charset_info, a, b)); } -/********************************************************************** +/******************************************************************//** Makes all characters in a NUL-terminated UTF-8 string lower case. */ extern "C" UNIV_INTERN void @@ -972,7 +976,7 @@ innobase_casedn_str( my_casedn_str(system_charset_info, a); } -/************************************************************************** +/**********************************************************************//** Determines the connection character set. @return connection character set */ extern "C" UNIV_INTERN @@ -985,7 +989,7 @@ innobase_get_charset( } #if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) -/*********************************************************************** +/*******************************************************************//** Map an OS error to an errno value. The OS error number is stored in _doserrno and the mapped value is stored in errno) */ extern "C" @@ -993,7 +997,7 @@ void __cdecl _dosmaperr( unsigned long); /*!< in: OS error value */ -/************************************************************************* +/*********************************************************************//** Creates a temporary file. @return temporary file descriptor, or < 0 on error */ extern "C" UNIV_INTERN @@ -1077,7 +1081,7 @@ innobase_mysql_tmpfile(void) DBUG_RETURN(fd); } #else -/************************************************************************* +/*********************************************************************//** Creates a temporary file. @return temporary file descriptor, or < 0 on error */ extern "C" UNIV_INTERN @@ -1110,7 +1114,7 @@ innobase_mysql_tmpfile(void) } #endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ -/************************************************************************* +/*********************************************************************//** Wrapper around MySQL's copy_and_convert function. @return number of bytes copied to 'to' */ extern "C" UNIV_INTERN @@ -1132,14 +1136,14 @@ innobase_convert_string( errors)); } -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) that is of type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes the result to "buf". The result is converted to "system_charset_info". Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the +The result is always NUL-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). +terminating NUL). @return number of bytes that were written */ extern "C" UNIV_INTERN ulint @@ -1170,7 +1174,7 @@ innobase_raw_format( return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); } -/************************************************************************* +/*********************************************************************//** Compute the next autoinc value. For MySQL replication the autoincrement values can be partitioned among @@ -1253,7 +1257,7 @@ innobase_next_autoinc( return(next_value); } -/************************************************************************* +/*********************************************************************//** Initializes some fields in an InnoDB transaction object. */ static void @@ -1275,7 +1279,7 @@ innobase_trx_init( DBUG_VOID_RETURN; } -/************************************************************************* +/*********************************************************************//** Allocates an InnoDB transaction for a MySQL handler object. @return InnoDB transaction handle */ extern "C" UNIV_INTERN @@ -1300,7 +1304,7 @@ innobase_trx_allocate( DBUG_RETURN(trx); } -/************************************************************************* +/*********************************************************************//** Gets the InnoDB transaction handle for a MySQL handler object, creates an InnoDB transaction struct if the corresponding MySQL thread struct still lacks one. @@ -1328,7 +1332,7 @@ check_trx_exists( } -/************************************************************************* +/*********************************************************************//** Construct ha_innobase handler. */ UNIV_INTERN ha_innobase::ha_innobase(handlerton *hton, TABLE_SHARE *table_arg) @@ -1346,14 +1350,14 @@ ha_innobase::ha_innobase(handlerton *hton, TABLE_SHARE *table_arg) num_write_row(0) {} -/************************************************************************* +/*********************************************************************//** Destruct ha_innobase handler. */ UNIV_INTERN ha_innobase::~ha_innobase() { } -/************************************************************************* +/*********************************************************************//** Updates the user_thd field in a handle and also allocates a new InnoDB transaction handle if needed, and updates the transaction fields in the prebuilt struct. */ @@ -1375,7 +1379,7 @@ ha_innobase::update_thd( user_thd = thd; } -/************************************************************************* +/*********************************************************************//** Updates the user_thd field in a handle and also allocates a new InnoDB transaction handle if needed, and updates the transaction fields in the prebuilt struct. */ @@ -1389,7 +1393,7 @@ ha_innobase::update_thd() update_thd(thd); } -/************************************************************************* +/*********************************************************************//** Registers that InnoDB takes part in an SQL statement, so that MySQL knows to roll back the statement if the statement results in an error. This MUST be called for every SQL statement that may be rolled back by MySQL. Calling this @@ -1406,7 +1410,7 @@ innobase_register_stmt( trans_register_ha(thd, FALSE, hton); } -/************************************************************************* +/*********************************************************************//** Registers an InnoDB transaction in MySQL, so that the MySQL XA code knows to call the InnoDB prepare and commit, or rollback for the transaction. This MUST be called for every transaction for which the user may call commit or @@ -1475,7 +1479,7 @@ AUTOCOMMIT==0 or we are inside BEGIN ... COMMIT. Thus transactions no longer put restrictions on the use of the query cache. */ -/********************************************************************** +/******************************************************************//** The MySQL query cache uses this to check from InnoDB if the query cache at the moment is allowed to operate on an InnoDB table. The SQL query must be a non-locking SELECT. @@ -1493,7 +1497,9 @@ holding any InnoDB semaphores. The calling thread is holding the query cache mutex, and this function will reserver the InnoDB kernel mutex. Thus, the 'rank' in sync0sync.h of the MySQL query cache mutex is above the InnoDB kernel mutex. -@return TRUE if permitted, FALSE if not; note that the value FALSE does not mean we should invalidate the query cache: invalidation is called explicitly */ +@return TRUE if permitted, FALSE if not; note that the value FALSE +does not mean we should invalidate the query cache: invalidation is +called explicitly */ static my_bool innobase_query_caching_of_table_permitted( @@ -1502,7 +1508,7 @@ innobase_query_caching_of_table_permitted( store a result to the query cache or retrieve it */ char* full_name, /*!< in: concatenation of database name, - the null character '\0', and the table + the null character NUL, and the table name */ uint full_name_len, /*!< in: length of the full name, i.e. len(dbname) + len(tablename) + 1 */ @@ -1596,7 +1602,7 @@ innobase_query_caching_of_table_permitted( return((my_bool)FALSE); } -/********************************************************************* +/*****************************************************************//** Invalidates the MySQL query cache for the table. */ extern "C" UNIV_INTERN void @@ -1605,8 +1611,8 @@ innobase_invalidate_query_cache( trx_t* trx, /*!< in: transaction which modifies the table */ const char* full_name, /*!< in: concatenation of - database name, null char '\0', - table name, null char '\0'; + database name, null char NUL, + table name, null char NUL; NOTE that in Windows this is always in LOWER CASE! */ ulint full_name_len) /*!< in: full name length where @@ -1625,7 +1631,7 @@ innobase_invalidate_query_cache( #endif } -/********************************************************************* +/*****************************************************************//** Convert an SQL identifier to the MySQL system_charset_info (UTF-8) and quote it if needed. @return pointer to the end of buf */ @@ -1710,7 +1716,7 @@ innobase_convert_identifier( return(buf); } -/********************************************************************* +/*****************************************************************//** Convert a table or index name to the MySQL system_charset_info (UTF-8) and quote it if needed. @return pointer to the end of buf */ @@ -1767,7 +1773,7 @@ no_db_name: } -/************************************************************************** +/**********************************************************************//** Determines if the currently running transaction has been interrupted. @return TRUE if interrupted */ extern "C" UNIV_INTERN @@ -1779,7 +1785,7 @@ trx_is_interrupted( return(trx && trx->mysql_thd && thd_killed((THD*) trx->mysql_thd)); } -/****************************************************************** +/**************************************************************//** Resets some fields of a prebuilt struct. The template is used in fast retrieval of just those column values MySQL needs in its processing. */ static @@ -1792,7 +1798,7 @@ reset_template( prebuilt->read_just_key = 0; } -/********************************************************************* +/*****************************************************************//** Call this when you have opened a new table handle in HANDLER, before you call index_read_idx() etc. Actually, we can let the cursor stay open even over a transaction commit! Then you should call this before every operation, @@ -1854,7 +1860,7 @@ ha_innobase::init_table_handle_for_HANDLER(void) reset_template(prebuilt); } -/************************************************************************* +/*********************************************************************//** Opens an InnoDB database. @return 0 on success, error code on failure */ static @@ -1863,7 +1869,7 @@ innobase_init( /*==========*/ void *p) /*!< in: InnoDB handlerton */ { - static char current_dir[3]; /* Set if using current lib */ + static char current_dir[3]; /*!< Set if using current lib */ int err; bool ret; char *default_path; @@ -2197,7 +2203,7 @@ error: DBUG_RETURN(TRUE); } -/*********************************************************************** +/*******************************************************************//** Closes an InnoDB database. @return TRUE if error */ static @@ -2240,7 +2246,7 @@ innobase_end( DBUG_RETURN(err); } -/******************************************************************** +/****************************************************************//** Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes the logs, and the name of this function should be innobase_checkpoint. @return TRUE if error */ @@ -2260,7 +2266,7 @@ innobase_flush_logs( DBUG_RETURN(result); } -/******************************************************************** +/****************************************************************//** Return alter table flags supported in an InnoDB database. */ static uint @@ -2275,7 +2281,7 @@ innobase_alter_table_flags( | HA_ONLINE_ADD_PK_INDEX_NO_WRITES); } -/********************************************************************* +/*****************************************************************//** Commits a transaction in an InnoDB database. */ static void @@ -2291,7 +2297,7 @@ innobase_commit_low( trx_commit_for_mysql(trx); } -/********************************************************************* +/*****************************************************************//** Creates an InnoDB transaction struct for the thd if it does not yet have one. Starts a new InnoDB transaction if a transaction is not yet started. And assigns a new snapshot for a consistent read if the transaction does not yet @@ -2338,7 +2344,7 @@ innobase_start_trx_and_assign_read_view( DBUG_RETURN(0); } -/********************************************************************* +/*****************************************************************//** Commits a transaction in an InnoDB database or marks an SQL statement ended. @return 0 */ @@ -2471,7 +2477,7 @@ retry: DBUG_RETURN(0); } -/********************************************************************* +/*****************************************************************//** Rolls back a transaction or the latest SQL statement. @return 0 or error number */ static @@ -2517,7 +2523,7 @@ innobase_rollback( DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } -/********************************************************************* +/*****************************************************************//** Rolls back a transaction @return 0 or error number */ static @@ -2548,9 +2554,10 @@ innobase_rollback_trx( DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } -/********************************************************************* +/*****************************************************************//** Rolls back a transaction to a savepoint. -@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the given name */ +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the +given name */ static int innobase_rollback_to_savepoint( @@ -2585,9 +2592,10 @@ innobase_rollback_to_savepoint( DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } -/********************************************************************* +/*****************************************************************//** Release transaction savepoint name. -@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the given name */ +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the +given name */ static int innobase_release_savepoint( @@ -2615,7 +2623,7 @@ innobase_release_savepoint( DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } -/********************************************************************* +/*****************************************************************//** Sets a transaction savepoint. @return always 0, that is, always succeeds */ static @@ -2662,7 +2670,7 @@ innobase_savepoint( DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); } -/********************************************************************* +/*****************************************************************//** Frees a possible InnoDB trx object associated with the current THD. @return 0 or error number */ static @@ -2707,13 +2715,14 @@ innobase_close_connection( } -/***************************************************************************** +/*************************************************************************//** ** InnoDB database tables *****************************************************************************/ -/******************************************************************** +/****************************************************************//** Get the record format from the data dictionary. -@return one of ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, ROW_TYPE_COMPRESSED, ROW_TYPE_DYNAMIC */ +@return one of ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, +ROW_TYPE_COMPRESSED, ROW_TYPE_DYNAMIC */ UNIV_INTERN enum row_type ha_innobase::get_row_type() const @@ -2748,7 +2757,7 @@ ha_innobase::get_row_type() const -/******************************************************************** +/****************************************************************//** Get the table flags to use for the statement. @return table flags */ UNIV_INTERN @@ -2764,14 +2773,14 @@ ha_innobase::table_flags() const return int_table_flags | HA_BINLOG_STMT_CAPABLE; } -/******************************************************************** +/****************************************************************//** Gives the file extension of an InnoDB single-table tablespace. */ static const char* ha_innobase_exts[] = { ".ibd", NullS }; -/******************************************************************** +/****************************************************************//** Returns the table type (storage engine name). @return table type */ UNIV_INTERN @@ -2782,7 +2791,7 @@ ha_innobase::table_type() const return(innobase_hton_name); } -/******************************************************************** +/****************************************************************//** Returns the index type. */ UNIV_INTERN const char* @@ -2794,7 +2803,7 @@ ha_innobase::index_type( return("BTREE"); } -/******************************************************************** +/****************************************************************//** Returns the table file name extension. @return file extension string */ UNIV_INTERN @@ -2805,7 +2814,7 @@ ha_innobase::bas_ext() const return(ha_innobase_exts); } -/******************************************************************** +/****************************************************************//** Returns the operations supported for indexes. @return flags of supported operations */ UNIV_INTERN @@ -2821,7 +2830,7 @@ const | HA_READ_RANGE | HA_KEYREAD_ONLY); } -/******************************************************************** +/****************************************************************//** Returns the maximum number of keys. @return MAX_KEY */ UNIV_INTERN @@ -2832,7 +2841,7 @@ ha_innobase::max_supported_keys() const return(MAX_KEY); } -/******************************************************************** +/****************************************************************//** Returns the maximum key length. @return maximum supported key length, in bytes */ UNIV_INTERN @@ -2848,7 +2857,7 @@ ha_innobase::max_supported_key_length() const return(3500); } -/******************************************************************** +/****************************************************************//** Returns the key map of keys that are usable for scanning. @return key_map_full */ UNIV_INTERN @@ -2858,7 +2867,7 @@ ha_innobase::keys_to_use_for_scanning() return(&key_map_full); } -/******************************************************************** +/****************************************************************//** Determines if table caching is supported. @return HA_CACHE_TBL_ASKTRANSACT */ UNIV_INTERN @@ -2868,7 +2877,7 @@ ha_innobase::table_cache_type() return(HA_CACHE_TBL_ASKTRANSACT); } -/******************************************************************** +/****************************************************************//** Determines if the primary key is clustered index. @return true */ UNIV_INTERN @@ -2878,7 +2887,7 @@ ha_innobase::primary_key_is_clustered() return(true); } -/********************************************************************* +/*****************************************************************//** Normalizes a table name string. A normalized name consists of the database name catenated to '/' and table name. An example: test/mytable. On Windows normalization puts both the database name and the @@ -2924,7 +2933,7 @@ normalize_table_name( #endif } -/************************************************************************ +/********************************************************************//** Set the autoinc column max value. This should only be called once from ha_innobase::open(). Therefore there's no need for a covering lock. @return DB_SUCCESS or error code */ @@ -2963,7 +2972,7 @@ ha_innobase::innobase_initialize_autoinc() return(error); } -/********************************************************************* +/*****************************************************************//** Creates and opens a handle to a table which already exists in an InnoDB database. @return 1 if error, 0 if success */ @@ -3195,7 +3204,7 @@ ha_innobase::max_supported_key_part_length() const return(DICT_MAX_INDEX_COL_LEN - 1); } -/********************************************************************** +/******************************************************************//** Closes a handle to an InnoDB table. @return 0 */ UNIV_INTERN @@ -3227,7 +3236,7 @@ ha_innobase::close(void) /* The following accessor functions should really be inside MySQL code! */ -/****************************************************************** +/**************************************************************//** Gets field offset for a field in a table. @return offset */ static inline @@ -3240,7 +3249,7 @@ get_field_offset( return((uint) (field->ptr - table->record[0])); } -/****************************************************************** +/**************************************************************//** Checks if a field in a record is SQL NULL. Uses the record format information in table to track the null bit in record. @return 1 if NULL, 0 otherwise */ @@ -3270,7 +3279,7 @@ field_in_record_is_null( return(0); } -/****************************************************************** +/**************************************************************//** Sets a field in a record to SQL NULL. Uses the record format information in table to track the null bit in record. */ static inline @@ -3289,7 +3298,7 @@ set_field_in_record_to_null( record[null_offset] = record[null_offset] | field->null_bit; } -/***************************************************************** +/*************************************************************//** InnoDB uses this function to compare two data fields for which the data type is such that we must use MySQL code to compare them. NOTE that the prototype of this function is in rem0cmp.c in InnoDB source code! If you change this @@ -3370,7 +3379,7 @@ innobase_mysql_cmp( return(0); } -/****************************************************************** +/**************************************************************//** Converts a MySQL type to an InnoDB type. Note that this function returns the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. @@ -3477,7 +3486,7 @@ get_innobase_type_from_mysql_type( return(0); } -/*********************************************************************** +/*******************************************************************//** Writes an unsigned integer value < 64k to 2 bytes, in the little-endian storage format. */ static inline @@ -3493,7 +3502,7 @@ innobase_write_to_2_little_endian( buf[1] = (byte)(val / 256); } -/*********************************************************************** +/*******************************************************************//** Reads an unsigned integer value < 64k from 2 bytes, in the little-endian storage format. @return value */ @@ -3506,7 +3515,7 @@ innobase_read_from_2_little_endian( return (uint) ((ulint)(buf[0]) + 256 * ((ulint)(buf[1]))); } -/*********************************************************************** +/*******************************************************************//** Stores a key value for a row to a buffer. @return key value length as stored in buff */ UNIV_INTERN @@ -3780,7 +3789,7 @@ ha_innobase::store_key_val_for_row( DBUG_RETURN((uint)(buff - buff_start)); } -/****************************************************************** +/**************************************************************//** Builds a 'template' to the prebuilt struct. The template is used in fast retrieval of just those column values MySQL needs in its processing. */ static @@ -3992,7 +4001,7 @@ skip_field: } } -/************************************************************************ +/********************************************************************//** Get the upper limit of the MySQL integral and floating-point type. */ UNIV_INTERN ulonglong @@ -4053,7 +4062,7 @@ ha_innobase::innobase_get_int_col_max_value( return(max_value); } -/************************************************************************ +/********************************************************************//** This special handling is really to overcome the limitations of MySQL's binlogging. We need to eliminate the non-determinism that will arise in INSERT ... SELECT type of statements, since MySQL binlog only stores the @@ -4113,7 +4122,7 @@ ha_innobase::innobase_lock_autoinc(void) return(ulong(error)); } -/************************************************************************ +/********************************************************************//** Reset the autoinc value in the table. @return DB_SUCCESS if all went well else error code */ UNIV_INTERN @@ -4136,10 +4145,10 @@ ha_innobase::innobase_reset_autoinc( return(ulong(error)); } -/************************************************************************ +/********************************************************************//** Store the autoinc value in the table. The autoinc value is only set if it's greater than the existing autoinc value in the table. -@return DB_SUCCES if all went well else error code */ +@return DB_SUCCESS if all went well else error code */ UNIV_INTERN ulint ha_innobase::innobase_set_max_autoinc( @@ -4160,7 +4169,7 @@ ha_innobase::innobase_set_max_autoinc( return(ulong(error)); } -/************************************************************************ +/********************************************************************//** Stores a row in an InnoDB database, to the table specified in this handle. @return error code */ @@ -4400,7 +4409,7 @@ func_exit: DBUG_RETURN(error_result); } -/************************************************************************** +/**********************************************************************//** Checks which fields have changed in a row and stores information of them to an update vector. @return error number or 0 */ @@ -4548,7 +4557,7 @@ calc_row_difference( return(0); } -/************************************************************************** +/**********************************************************************//** Updates a row given as a parameter to a new value. Note that we are given whole rows, not just the fields which are updated: this incurs some overhead for CPU when we check which fields are actually updated. @@ -4661,7 +4670,7 @@ ha_innobase::update_row( DBUG_RETURN(error); } -/************************************************************************** +/**********************************************************************//** Deletes a row given as the parameter. @return error number or 0 */ UNIV_INTERN @@ -4704,7 +4713,7 @@ ha_innobase::delete_row( DBUG_RETURN(error); } -/************************************************************************** +/**********************************************************************//** Removes a new lock set on a row, if it was not read optimistically. This can be called after a row has been read in the processing of an UPDATE or a DELETE query, if the option innodb_locks_unsafe_for_binlog is set. */ @@ -4772,7 +4781,7 @@ ha_innobase::try_semi_consistent_read(bool yes) } } -/********************************************************************** +/******************************************************************//** Initializes a handle to use an index. @return 0 or error number */ UNIV_INTERN @@ -4787,7 +4796,7 @@ ha_innobase::index_init( DBUG_RETURN(change_active_index(keynr)); } -/********************************************************************** +/******************************************************************//** Currently does nothing. @return 0 */ UNIV_INTERN @@ -4801,7 +4810,7 @@ ha_innobase::index_end(void) DBUG_RETURN(error); } -/************************************************************************* +/*********************************************************************//** Converts a search mode flag understood by MySQL to a flag understood by InnoDB. */ static inline @@ -4906,7 +4915,7 @@ overwrap, we use this test only as a secondary way of determining the start of a new SQL statement. */ -/************************************************************************** +/**********************************************************************//** Positions an index cursor to the index specified in the handle. Fetches the row if any. @return 0, HA_ERR_KEY_NOT_FOUND, or error number */ @@ -5021,7 +5030,7 @@ ha_innobase::index_read( DBUG_RETURN(error); } -/*********************************************************************** +/*******************************************************************//** The following functions works like index_read, but it find the last row with the current key value or prefix. @return 0, HA_ERR_KEY_NOT_FOUND, or an error code */ @@ -5038,7 +5047,7 @@ ha_innobase::index_read_last( return(index_read(buf, key_ptr, key_len, HA_READ_PREFIX_LAST)); } -/************************************************************************ +/********************************************************************//** Get the index for a handle. Does not change active index. @return NULL or index instance. */ UNIV_INTERN @@ -5078,7 +5087,7 @@ ha_innobase::innobase_get_index( DBUG_RETURN(index); } -/************************************************************************ +/********************************************************************//** Changes the active index of a handle. @return 0 or error code */ UNIV_INTERN @@ -5133,7 +5142,7 @@ ha_innobase::change_active_index( DBUG_RETURN(0); } -/************************************************************************** +/**********************************************************************//** Positions an index cursor to the index specified in keynr. Fetches the row if any. ??? This is only used to read whole keys ??? @@ -5159,7 +5168,7 @@ ha_innobase::index_read_idx( return(index_read(buf, key, key_len, find_flag)); } -/*************************************************************************** +/***********************************************************************//** Reads the next or previous row from a cursor, which must have previously been positioned using index_read. @return 0, HA_ERR_END_OF_FILE, or error number */ @@ -5210,7 +5219,7 @@ ha_innobase::general_fetch( DBUG_RETURN(error); } -/*************************************************************************** +/***********************************************************************//** Reads the next row from a cursor, which must have previously been positioned using index_read. @return 0, HA_ERR_END_OF_FILE, or error number */ @@ -5226,7 +5235,7 @@ ha_innobase::index_next( return(general_fetch(buf, ROW_SEL_NEXT, 0)); } -/*********************************************************************** +/*******************************************************************//** Reads the next row matching to the key value given as the parameter. @return 0, HA_ERR_END_OF_FILE, or error number */ UNIV_INTERN @@ -5242,7 +5251,7 @@ ha_innobase::index_next_same( return(general_fetch(buf, ROW_SEL_NEXT, last_match_mode)); } -/*************************************************************************** +/***********************************************************************//** Reads the previous row from a cursor, which must have previously been positioned using index_read. @return 0, HA_ERR_END_OF_FILE, or error number */ @@ -5257,7 +5266,7 @@ ha_innobase::index_prev( return(general_fetch(buf, ROW_SEL_PREV, 0)); } -/************************************************************************ +/********************************************************************//** Positions a cursor on the first record in an index and reads the corresponding row to buf. @return 0, HA_ERR_END_OF_FILE, or error code */ @@ -5283,7 +5292,7 @@ ha_innobase::index_first( DBUG_RETURN(error); } -/************************************************************************ +/********************************************************************//** Positions a cursor on the last record in an index and reads the corresponding row to buf. @return 0, HA_ERR_END_OF_FILE, or error code */ @@ -5309,7 +5318,7 @@ ha_innobase::index_last( DBUG_RETURN(error); } -/******************************************************************** +/****************************************************************//** Initialize a table scan. @return 0 or error number */ UNIV_INTERN @@ -5341,7 +5350,7 @@ ha_innobase::rnd_init( return(err); } -/********************************************************************* +/*****************************************************************//** Ends a table scan. @return 0 or error number */ UNIV_INTERN @@ -5352,7 +5361,7 @@ ha_innobase::rnd_end(void) return(index_end()); } -/********************************************************************* +/*****************************************************************//** Reads the next row in a table scan (also used to read the FIRST row in a table scan). @return 0, HA_ERR_END_OF_FILE, or error number */ @@ -5383,7 +5392,7 @@ ha_innobase::rnd_next( DBUG_RETURN(error); } -/************************************************************************** +/**********************************************************************//** Fetches a row from the table based on a row reference. @return 0, HA_ERR_KEY_NOT_FOUND, or error code */ UNIV_INTERN @@ -5435,7 +5444,7 @@ ha_innobase::rnd_pos( DBUG_RETURN(error); } -/************************************************************************* +/*********************************************************************//** Stores a reference to the current row to 'ref' field of the handle. Note that in the case where we have generated the clustered index for the table, the function parameter is illogical: we MUST ASSUME that 'record' @@ -5482,7 +5491,7 @@ See http://bugs.mysql.com/32710 for expl. why we choose PROCESS. */ (row_is_magic_monitor_table(table_name) \ && check_global_access(thd, PROCESS_ACL)) -/********************************************************************* +/*****************************************************************//** Creates a table definition to an InnoDB database. */ static int @@ -5611,7 +5620,7 @@ create_table_def( DBUG_RETURN(error); } -/********************************************************************* +/*****************************************************************//** Creates an index in an InnoDB database. */ static int @@ -5736,7 +5745,7 @@ create_index( DBUG_RETURN(error); } -/********************************************************************* +/*****************************************************************//** Creates an index to an InnoDB table when the user has defined no primary index. */ static @@ -5763,7 +5772,7 @@ create_clustered_index_when_no_primary( return(error); } -/********************************************************************* +/*****************************************************************//** Validates the create options. We may build on this function in future. For now, it checks two specifiers: KEY_BLOCK_SIZE and ROW_FORMAT @@ -5929,7 +5938,7 @@ create_options_are_valid( return(ret); } -/********************************************************************* +/*****************************************************************//** Update create_info. Used in SHOW CREATE TABLE et al. */ UNIV_INTERN void @@ -5943,7 +5952,7 @@ ha_innobase::update_create_info( } } -/********************************************************************* +/*****************************************************************//** Creates a new table to an InnoDB database. @return error number */ UNIV_INTERN @@ -6310,7 +6319,7 @@ cleanup: DBUG_RETURN(error); } -/********************************************************************* +/*****************************************************************//** Discards or imports an InnoDB tablespace. @return 0 == success, -1 == error */ UNIV_INTERN @@ -6343,7 +6352,7 @@ ha_innobase::discard_or_import_tablespace( DBUG_RETURN(err); } -/********************************************************************* +/*****************************************************************//** Deletes all rows of an InnoDB table. @return error number */ UNIV_INTERN @@ -6382,7 +6391,7 @@ ha_innobase::delete_all_rows(void) DBUG_RETURN(error); } -/********************************************************************* +/*****************************************************************//** Drops a table from an InnoDB database. Before calling this function, MySQL calls innobase_commit to commit the transaction of the current user. Then the current user cannot have locks set on the table. Drop table @@ -6460,7 +6469,7 @@ ha_innobase::delete_table( DBUG_RETURN(error); } -/********************************************************************* +/*****************************************************************//** Removes all tables in the named database inside InnoDB. */ static void @@ -6536,7 +6545,7 @@ innobase_drop_database( innobase_commit_low(trx); trx_free_for_mysql(trx); } -/************************************************************************* +/*********************************************************************//** Renames an InnoDB table. @return 0 or error code */ static @@ -6601,7 +6610,7 @@ innobase_rename_table( return error; } -/************************************************************************* +/*********************************************************************//** Renames an InnoDB table. @return 0 or error code */ UNIV_INTERN @@ -6645,7 +6654,7 @@ ha_innobase::rename_table( DBUG_RETURN(error); } -/************************************************************************* +/*********************************************************************//** Estimates the number of index records in a range. @return estimated number of rows */ UNIV_INTERN @@ -6753,7 +6762,7 @@ ha_innobase::records_in_range( DBUG_RETURN((ha_rows) n_rows); } -/************************************************************************* +/*********************************************************************//** Gives an UPPER BOUND to the number of rows in a table. This is used in filesort.cc. @return upper bound of rows */ @@ -6803,7 +6812,7 @@ ha_innobase::estimate_rows_upper_bound(void) DBUG_RETURN((ha_rows) estimate); } -/************************************************************************* +/*********************************************************************//** How many seeks it will take to read through the table. This is to be comparable to the number returned by records_in_range so that we can decide if we should scan the table or use keys. @@ -6821,7 +6830,7 @@ ha_innobase::scan_time() return((double) (prebuilt->table->stat_clustered_index_size)); } -/********************************************************************** +/******************************************************************//** Calculate the time it takes to read a set of ranges through an index This enables us to optimise reads for clustered indexes. @return estimated time measured in disk seeks */ @@ -6859,7 +6868,7 @@ ha_innobase::read_time( return(ranges + (double) rows / (double) total_rows * time_for_scan); } -/************************************************************************* +/*********************************************************************//** Returns statistics information of the table to the MySQL interpreter, in various fields of the handle object. */ UNIV_INTERN @@ -7125,7 +7134,7 @@ ha_innobase::info( DBUG_RETURN(0); } -/************************************************************************** +/**********************************************************************//** Updates index cardinalities of the table, based on 8 random dives into each index tree. This does NOT calculate exact statistics on the table. @return returns always 0 (success) */ @@ -7142,7 +7151,7 @@ ha_innobase::analyze( return(0); } -/************************************************************************** +/**********************************************************************//** This is mapped to "ALTER TABLE tablename ENGINE=InnoDB", which rebuilds the table in MySQL. */ UNIV_INTERN @@ -7155,7 +7164,7 @@ ha_innobase::optimize( return(HA_ADMIN_TRY_ALTER); } -/*********************************************************************** +/*******************************************************************//** Tries to check that an InnoDB table is not corrupted. If corruption is noticed, prints to stderr information about it. In case of corruption may also assert a failure and crash the server. @@ -7191,7 +7200,7 @@ ha_innobase::check( return(HA_ADMIN_CORRUPT); } -/***************************************************************** +/*************************************************************//** Adds information about free space in the InnoDB tablespace to a table comment which is printed out when a user calls SHOW TABLE STATUS. Adds also info on foreign keys. @@ -7266,9 +7275,11 @@ ha_innobase::update_table_comment( return(str ? str : (char*) comment); } -/*********************************************************************** +/*******************************************************************//** Gets the foreign key create info for a table stored in InnoDB. -@return own: character string in the form which can be inserted to the CREATE TABLE statement, MUST be freed with ::free_foreign_key_create_info */ +@return own: character string in the form which can be inserted to the +CREATE TABLE statement, MUST be freed with +ha_innobase::free_foreign_key_create_info */ UNIV_INTERN char* ha_innobase::get_foreign_key_create_info(void) @@ -7457,7 +7468,7 @@ ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) DBUG_RETURN(0); } -/********************************************************************* +/*****************************************************************//** Checks if ALTER TABLE may change the storage engine of the table. Changing storage engines is not allowed for tables for which there are foreign key constraints (parent or child tables). @@ -7486,7 +7497,7 @@ ha_innobase::can_switch_engines(void) DBUG_RETURN(can_switch); } -/*********************************************************************** +/*******************************************************************//** Checks if a table is referenced by a foreign key. The MySQL manual states that a REPLACE is either equivalent to an INSERT, or DELETE(s) + INSERT. Only a delete is then allowed internally to resolve a duplicate key conflict in @@ -7505,21 +7516,21 @@ ha_innobase::referenced_by_foreign_key(void) return(0); } -/*********************************************************************** +/*******************************************************************//** Frees the foreign key create info for a table stored in InnoDB, if it is non-NULL. */ UNIV_INTERN void ha_innobase::free_foreign_key_create_info( /*======================================*/ - char* str) /*!< in, own: create info string to free */ + char* str) /*!< in, own: create info string to free */ { if (str) { my_free(str, MYF(0)); } } -/*********************************************************************** +/*******************************************************************//** Tells something additional to the handler about how to do things. @return 0 or error number */ UNIV_INTERN @@ -7597,7 +7608,7 @@ ha_innobase::reset() return(0); } -/********************************************************************** +/******************************************************************//** MySQL calls this function at the start of each SQL statement inside LOCK TABLES. Inside LOCK TABLES the ::external_lock method does not work to mark SQL statement borders. Note also a special case: if a temporary table @@ -7682,7 +7693,7 @@ ha_innobase::start_stmt( return(0); } -/********************************************************************** +/******************************************************************//** Maps a MySQL trx isolation level code to the InnoDB isolation level code @return InnoDB isolation level */ static inline @@ -7700,7 +7711,7 @@ innobase_map_isolation_level( } } -/********************************************************************** +/******************************************************************//** As MySQL will execute an external lock for every new table it uses when it starts to process an SQL statement (an exception is when MySQL calls start_stmt for the handle) we can use this function to store the pointer to @@ -7868,7 +7879,7 @@ ha_innobase::external_lock( DBUG_RETURN(0); } -/********************************************************************** +/******************************************************************//** With this function MySQL request a transactional lock to a table when user issued query LOCK TABLES..WHERE ENGINE = InnoDB. @return error code */ @@ -7961,7 +7972,7 @@ ha_innobase::transactional_table_lock( DBUG_RETURN(0); } -/**************************************************************************** +/************************************************************************//** Here we export InnoDB status variables to MySQL. */ static void @@ -7973,7 +7984,7 @@ innodb_export_status(void) } } -/**************************************************************************** +/************************************************************************//** Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB Monitor to the client. */ static @@ -8062,7 +8073,7 @@ innodb_show_status( DBUG_RETURN(FALSE); } -/**************************************************************************** +/************************************************************************//** Implements the SHOW MUTEX STATUS command. . */ static bool @@ -8210,7 +8221,7 @@ bool innobase_show_status(handlerton *hton, THD* thd, } } -/**************************************************************************** +/************************************************************************//** Handling the shared INNOBASE_SHARE structure that is needed to provide table locking. ****************************************************************************/ @@ -8244,7 +8255,6 @@ static INNOBASE_SHARE* get_share(const char* table_name) innobase_open_tables, fold, share); thr_lock_init(&share->lock); - pthread_mutex_init(&share->mutex,MY_MUTEX_INIT_FAST); } share->use_count++; @@ -8275,7 +8285,6 @@ static void free_share(INNOBASE_SHARE* share) HASH_DELETE(INNOBASE_SHARE, table_name_hash, innobase_open_tables, fold, share); thr_lock_delete(&share->lock); - pthread_mutex_destroy(&share->mutex); my_free(share, MYF(0)); /* TODO: invoke HASH_MIGRATE if innobase_open_tables @@ -8285,7 +8294,7 @@ static void free_share(INNOBASE_SHARE* share) pthread_mutex_unlock(&innobase_share_mutex); } -/********************************************************************* +/*****************************************************************//** Converts a MySQL table lock stored in the 'lock' field of the handle to a proper type before storing pointer to the lock into an array of pointers. MySQL also calls this if it wants to reset some table locks to a not-locked @@ -8487,7 +8496,7 @@ ha_innobase::store_lock( return(to); } -/******************************************************************************* +/*********************************************************************//** Read the next autoinc value. Acquire the relevant locks before reading the AUTOINC value. If SUCCESS then the table AUTOINC mutex will be locked on return and all relevant locks acquired. @@ -8514,7 +8523,7 @@ ha_innobase::innobase_get_autoinc( return(prebuilt->autoinc_error); } -/*********************************************************************** +/*******************************************************************//** This function reads the global auto-inc counter. It doesn't use the AUTOINC lock even if the lock mode is set to TRADITIONAL. @return the autoinc value */ @@ -8538,11 +8547,11 @@ ha_innobase::innobase_peek_autoinc(void) ut_a(auto_inc > 0); dict_table_autoinc_unlock(innodb_table); - + return(auto_inc); } - -/******************************************************************************* + +/*********************************************************************//** This function initializes the auto-inc counter if it has not been initialized yet. This function does not change the value of the auto-inc counter if it already has been initialized. Returns the value of the @@ -8553,7 +8562,7 @@ UNIV_INTERN void ha_innobase::get_auto_increment( /*============================*/ - ulonglong offset, /*!< in: */ + ulonglong offset, /*!< in: table autoinc offset */ ulonglong increment, /*!< in: table autoinc increment */ ulonglong nb_desired_values, /*!< in: number of values reqd */ ulonglong *first_value, /*!< out: the autoinc value */ @@ -8651,7 +8660,7 @@ ha_innobase::get_auto_increment( dict_table_autoinc_unlock(prebuilt->table); } -/*********************************************************************** +/*******************************************************************//** Reset the auto-increment counter to the given value, i.e. the next row inserted will get the given value. This is called e.g. after TRUNCATE is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is @@ -8702,7 +8711,7 @@ ha_innobase::get_error_message(int error, String *buf) return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Compares two 'refs'. A 'ref' is the (internal) primary key value of the row. If there is no explicitly declared non-null unique key or a primary key, then InnoDB internally uses the row id as the primary key. @@ -8773,7 +8782,7 @@ ha_innobase::cmp_ref( return(0); } -/*********************************************************************** +/*******************************************************************//** Ask InnoDB if a query to a table can be cached. @return TRUE if query caching of the table is permitted */ UNIV_INTERN @@ -8782,7 +8791,7 @@ ha_innobase::register_query_cache_table( /*====================================*/ THD* thd, /*!< in: user thread handle */ char* table_key, /*!< in: concatenation of database name, - the null character '\0', + the null character NUL, and the table name */ uint key_length, /*!< in: length of the full name, i.e. len(dbname) + len(tablename) + 1 */ @@ -8816,7 +8825,7 @@ ha_innobase::get_mysql_bin_log_pos() return(trx_sys_mysql_bin_log_pos); } -/********************************************************************** +/******************************************************************//** This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function finds charset information and returns length of prefix_len characters in the @@ -8833,9 +8842,9 @@ innobase_get_at_most_n_mbchars( ulint data_len, /*!< in: length of the string in bytes */ const char* str) /*!< in: character string */ { - ulint char_length; /* character length in bytes */ - ulint n_chars; /* number of characters in prefix */ - CHARSET_INFO* charset; /* charset used in the field */ + ulint char_length; /*!< character length in bytes */ + ulint n_chars; /*!< number of characters in prefix */ + CHARSET_INFO* charset; /*!< charset used in the field */ charset = get_charset((uint) charset_id, MYF(MY_WME)); @@ -8886,18 +8895,20 @@ innobase_get_at_most_n_mbchars( return(char_length); } -/*********************************************************************** -This function is used to prepare X/Open XA distributed transaction +/*******************************************************************//** +This function is used to prepare an X/Open XA distributed transaction. @return 0 or error number */ static int innobase_xa_prepare( /*================*/ - handlerton *hton, - THD* thd, /*!< in: handle to the MySQL thread of the user - whose XA transaction should be prepared */ - bool all) /*!< in: TRUE - commit transaction - FALSE - the current SQL statement ended */ + handlerton* hton, /*!< in: InnoDB handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of + the user whose XA transaction should + be prepared */ + bool all) /*!< in: TRUE - commit transaction + FALSE - the current SQL statement + ended */ { int error = 0; trx_t* trx = check_trx_exists(thd); @@ -8986,16 +8997,16 @@ innobase_xa_prepare( return(error); } -/*********************************************************************** -This function is used to recover X/Open XA distributed transactions +/*******************************************************************//** +This function is used to recover X/Open XA distributed transactions. @return number of prepared transactions stored in xid_list */ static int innobase_xa_recover( /*================*/ - handlerton *hton, - XID* xid_list, /*!< in/out: prepared transactions */ - uint len) /*!< in: number of slots in xid_list */ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid_list,/*!< in/out: prepared transactions */ + uint len) /*!< in: number of slots in xid_list */ { DBUG_ASSERT(hton == innodb_hton_ptr); @@ -9007,7 +9018,7 @@ innobase_xa_recover( return(trx_recover_for_mysql(xid_list, len)); } -/*********************************************************************** +/*******************************************************************//** This function is used to commit one X/Open XA distributed transaction which is in the prepared state @return 0 or error number */ @@ -9033,7 +9044,7 @@ innobase_commit_by_xid( } } -/*********************************************************************** +/*******************************************************************//** This function is used to rollback one X/Open XA distributed transaction which is in the prepared state @return 0 or error number */ @@ -9041,8 +9052,9 @@ static int innobase_rollback_by_xid( /*=====================*/ - handlerton *hton, - XID *xid) /*!< in: X/Open XA transaction identification */ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid) /*!< in: X/Open XA transaction + identification */ { trx_t* trx; @@ -9057,7 +9069,7 @@ innobase_rollback_by_xid( } } -/*********************************************************************** +/*******************************************************************//** Create a consistent view for a cursor based on current transaction which is created if the corresponding MySQL thread still lacks one. This consistent view is then used inside of MySQL when accessing records @@ -9075,7 +9087,7 @@ innobase_create_cursor_view( return(read_cursor_view_create_for_mysql(check_trx_exists(thd))); } -/*********************************************************************** +/*******************************************************************//** Close the given consistent cursor view of a transaction and restore global read view to a transaction read view. Transaction is created if the corresponding MySQL thread still lacks one. */ @@ -9093,7 +9105,7 @@ innobase_close_cursor_view( (cursor_view_t*) curview); } -/*********************************************************************** +/*******************************************************************//** Set the given consistent cursor view to a transaction which is created if the corresponding MySQL thread still lacks one. If the given consistent cursor view is NULL global read view of a transaction is @@ -9146,7 +9158,7 @@ ha_innobase::check_if_incompatible_data( return(COMPATIBLE_DATA_YES); } -/**************************************************************** +/************************************************************//** Validate the file format name and return its corresponding id. @return valid file format id */ static @@ -9189,7 +9201,7 @@ innobase_file_format_name_lookup( return(DICT_TF_FORMAT_MAX + 1); } -/**************************************************************** +/************************************************************//** Validate the file format check value, is it one of "on" or "off", as a side effect it sets the srv_check_file_format_at_startup variable. @return true if config value one of "on" or "off" */ @@ -9217,7 +9229,7 @@ innobase_file_format_check_on_off( return(ret); } -/**************************************************************** +/************************************************************//** Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. @return true if valid config value */ @@ -9241,7 +9253,7 @@ innobase_file_format_check_validate( return(ret); } -/***************************************************************** +/*************************************************************//** Check if it is a valid file format. This function is registered as a callback with MySQL. @return 0 for valid file format */ @@ -9281,7 +9293,7 @@ innodb_file_format_name_validate( return(1); } -/******************************************************************** +/****************************************************************//** Update the system variable innodb_file_format using the "saved" value. This function is registered as a callback with MySQL. */ static @@ -9306,7 +9318,7 @@ innodb_file_format_name_update( = trx_sys_file_format_id_to_name(srv_file_format); } -/***************************************************************** +/*************************************************************//** Check if valid argument to innodb_file_format_check. This function is registered as a callback with MySQL. @return 0 for valid file format */ @@ -9367,7 +9379,7 @@ innodb_file_format_check_validate( return(1); } -/******************************************************************** +/****************************************************************//** Update the system variable innodb_file_format_check using the "saved" value. This function is registered as a callback with MySQL. */ static @@ -9398,7 +9410,7 @@ innodb_file_format_check_update( } } -/******************************************************************** +/****************************************************************//** Update the system variable innodb_adaptive_hash_index using the "saved" value. This function is registered as a callback with MySQL. */ static @@ -9420,7 +9432,7 @@ innodb_adaptive_hash_index_update( } } -/***************************************************************** +/*************************************************************//** Check if it is a valid value of innodb_change_buffering. This function is registered as a callback with MySQL. @return 0 for valid innodb_change_buffering */ @@ -9461,7 +9473,7 @@ innodb_change_buffering_validate( return(1); } -/******************************************************************** +/****************************************************************//** Update the system variable innodb_change_buffering using the "saved" value. This function is registered as a callback with MySQL. */ static diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 861fa9ce92e..cc98003f8ff 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -27,35 +27,43 @@ Place, Suite 330, Boston, MA 02111-1307 USA #pragma interface /* gcc class implementation */ #endif +/** InnoDB table share */ typedef struct st_innobase_share { - THR_LOCK lock; - pthread_mutex_t mutex; - const char* table_name; - uint use_count; - void* table_name_hash; + THR_LOCK lock; /*!< MySQL lock protecting + this structure */ + const char* table_name; /*!< InnoDB table name */ + uint use_count; /*!< reference count, + incremented in get_share() + and decremented in free_share() */ + void* table_name_hash;/*!< hash table chain node */ } INNOBASE_SHARE; +/** InnoDB B-tree index */ struct dict_index_struct; +/** Prebuilt structures in an Innobase table handle used within MySQL */ struct row_prebuilt_struct; +/** InnoDB B-tree index */ typedef struct dict_index_struct dict_index_t; +/** Prebuilt structures in an Innobase table handle used within MySQL */ typedef struct row_prebuilt_struct row_prebuilt_t; -/* The class defining a handle to an Innodb table */ +/** The class defining a handle to an Innodb table */ class ha_innobase: public handler { - row_prebuilt_t* prebuilt; /* prebuilt struct in InnoDB, used + row_prebuilt_t* prebuilt; /*!< prebuilt struct in InnoDB, used to save CPU time with prebuilt data structures*/ - THD* user_thd; /* the thread handle of the user + THD* user_thd; /*!< the thread handle of the user currently using the handle; this is set in external_lock function */ THR_LOCK_DATA lock; - INNOBASE_SHARE *share; + INNOBASE_SHARE* share; /*!< information for MySQL + table locking */ - uchar* upd_buff; /* buffer used in updates */ - uchar* key_val_buff; /* buffer used in converting + uchar* upd_buff; /*!< buffer used in updates */ + uchar* key_val_buff; /*!< buffer used in converting search key values from MySQL format to Innodb format */ ulong upd_and_key_val_buff_len; @@ -63,13 +71,13 @@ class ha_innobase: public handler two buffers */ Table_flags int_table_flags; uint primary_key; - ulong start_of_scan; /* this is set to 1 when we are + ulong start_of_scan; /*!< this is set to 1 when we are starting a table scan but have not yet fetched any row, else 0 */ uint last_match_mode;/* match mode of the latest search: ROW_SEL_EXACT, ROW_SEL_EXACT_PREFIX, or undefined */ - uint num_write_row; /* number of write_row() calls */ + uint num_write_row; /*!< number of write_row() calls */ uint store_key_val_for_row(uint keynr, char* buff, uint buff_len, const uchar* record); @@ -252,7 +260,8 @@ void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all); } typedef struct trx_struct trx_t; -/************************************************************************ +/********************************************************************//** +@file handler/ha_innodb.h Converts an InnoDB error code to a MySQL error code and also tells to MySQL about a possible transaction rollback inside InnoDB caused by a lock wait timeout or a deadlock. @@ -265,7 +274,7 @@ convert_error_code_to_mysql( ulint flags, /*!< in: InnoDB table flags, or 0 */ MYSQL_THD thd); /*!< in: user thread handle or NULL */ -/************************************************************************* +/*********************************************************************//** Allocates an InnoDB transaction for a MySQL handler object. @return InnoDB transaction handle */ extern "C" diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index bd379ec422e..a5b6d9e41f1 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file handler/handler0alter.cc Smart ALTER TABLE *******************************************************/ @@ -36,7 +37,7 @@ extern "C" { #include "ha_innodb.h" #include "handler0vars.h" -/***************************************************************** +/*************************************************************//** Copies an InnoDB column to a MySQL field. This function is adapted from row_sel_field_store_in_mysql_format(). */ static @@ -122,7 +123,7 @@ innobase_col_to_mysql( } } -/***************************************************************** +/*************************************************************//** Copies an InnoDB record to table->record[0]. */ extern "C" UNIV_INTERN void @@ -172,7 +173,7 @@ null_field: } } -/***************************************************************** +/*************************************************************//** Resets table->record[0]. */ extern "C" UNIV_INTERN void @@ -188,7 +189,7 @@ innobase_rec_reset( } } -/********************************************************************** +/******************************************************************//** Removes the filename encoding of a database and table name. */ static void @@ -222,7 +223,7 @@ innobase_convert_tablename( } } -/*********************************************************************** +/*******************************************************************//** This function checks that index keys are sensible. @return 0 or error number */ static @@ -322,7 +323,7 @@ innobase_check_index_keys( return(0); } -/*********************************************************************** +/*******************************************************************//** Create index field definition for key part */ static void @@ -364,7 +365,7 @@ innobase_create_index_field_def( DBUG_VOID_RETURN; } -/*********************************************************************** +/*******************************************************************//** Create index definition for key */ static void @@ -418,7 +419,7 @@ innobase_create_index_def( DBUG_VOID_RETURN; } -/*********************************************************************** +/*******************************************************************//** Copy index field definition */ static void @@ -437,7 +438,7 @@ innobase_copy_index_field_def( DBUG_VOID_RETURN; } -/*********************************************************************** +/*******************************************************************//** Copy index definition for the index */ static void @@ -475,7 +476,7 @@ innobase_copy_index_def( DBUG_VOID_RETURN; } -/*********************************************************************** +/*******************************************************************//** Create an index table where indexes are ordered as follows: IF a new primary key is defined for the table THEN @@ -582,7 +583,7 @@ innobase_create_key_def( DBUG_RETURN(indexdefs); } -/*********************************************************************** +/*******************************************************************//** Create a temporary tablename using query id, thread id, and id @return temporary tablename */ static @@ -607,7 +608,7 @@ innobase_create_temporary_tablename( return(name); } -/*********************************************************************** +/*******************************************************************//** Create indexes. @return 0 or error number */ UNIV_INTERN @@ -618,12 +619,12 @@ ha_innobase::add_index( KEY* key_info, /*!< in: Indexes to be created */ uint num_of_keys) /*!< in: Number of indexes to be created */ { - dict_index_t** index; /* Index to be created */ - dict_table_t* innodb_table; /* InnoDB table in dictionary */ - dict_table_t* indexed_table; /* Table where indexes are created */ - merge_index_def_t* index_defs; /* Index definitions */ - mem_heap_t* heap; /* Heap for index definitions */ - trx_t* trx; /* Transaction */ + dict_index_t** index; /*!< Index to be created */ + dict_table_t* innodb_table; /*!< InnoDB table in dictionary */ + dict_table_t* indexed_table; /*!< Table where indexes are created */ + merge_index_def_t* index_defs; /*!< Index definitions */ + mem_heap_t* heap; /*!< Heap for index definitions */ + trx_t* trx; /*!< Transaction */ ulint num_of_idx; ulint num_created = 0; ibool dict_locked = FALSE; @@ -911,7 +912,7 @@ convert_error: DBUG_RETURN(error); } -/*********************************************************************** +/*******************************************************************//** Prepare to drop some indexes of a table. @return 0 or error number */ UNIV_INTERN @@ -1112,7 +1113,7 @@ func_exit: DBUG_RETURN(err); } -/*********************************************************************** +/*******************************************************************//** Drop the indexes that were passed to a successful prepare_drop_index(). @return 0 or error number */ UNIV_INTERN @@ -1121,8 +1122,8 @@ ha_innobase::final_drop_index( /*==========================*/ TABLE* table) /*!< in: Table where indexes are dropped */ { - dict_index_t* index; /* Index to be dropped */ - trx_t* trx; /* Transaction */ + dict_index_t* index; /*!< Index to be dropped */ + trx_t* trx; /*!< Transaction */ int err; DBUG_ENTER("ha_innobase::final_drop_index"); diff --git a/handler/handler0vars.h b/handler/handler0vars.h index ea9f305ce66..e0f8f75e34d 100644 --- a/handler/handler0vars.h +++ b/handler/handler0vars.h @@ -16,12 +16,13 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file handler/handler0vars.h This file contains accessor functions for dynamic plugin on Windows. ***********************************************************************/ #if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN -/*********************************************************************** +/*******************************************************************//** This is a list of externals that can not be resolved by delay loading. They have to be resolved indirectly via their addresses in the .map file. All of them are external variables. */ diff --git a/handler/i_s.cc b/handler/i_s.cc index 0396fcfa73d..3c6959d9b8f 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file handler/i_s.cc InnoDB INFORMATION SCHEMA tables interface to MySQL. Created July 18, 2007 Vasil Dimov @@ -111,7 +112,7 @@ bool schema_table_store_record(THD *thd, TABLE *table); void localtime_to_TIME(MYSQL_TIME *to, struct tm *from); bool check_global_access(THD *thd, ulong want_access); -/*********************************************************************** +/*******************************************************************//** Common function to fill any of the dynamic tables: INFORMATION_SCHEMA.innodb_trx INFORMATION_SCHEMA.innodb_locks @@ -125,7 +126,7 @@ trx_i_s_common_fill_table( TABLE_LIST* tables, /*!< in/out: tables to fill */ COND* cond); /*!< in: condition (not used) */ -/*********************************************************************** +/*******************************************************************//** Unbind a dynamic INFORMATION_SCHEMA table. @return 0 on success */ static @@ -134,7 +135,7 @@ i_s_common_deinit( /*==============*/ void* p); /*!< in/out: table schema object */ -/*********************************************************************** +/*******************************************************************//** Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME field. @return 0 on success */ @@ -162,7 +163,7 @@ field_store_time_t( return(field->store_time(&my_time, MYSQL_TIMESTAMP_DATETIME)); } -/*********************************************************************** +/*******************************************************************//** Auxiliary function to store char* value in MYSQL_TYPE_STRING field. @return 0 on success */ static @@ -189,7 +190,7 @@ field_store_string( return(ret); } -/*********************************************************************** +/*******************************************************************//** Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field. If the value is ULINT_UNDEFINED then the field it set to NULL. @return 0 on success */ @@ -293,7 +294,7 @@ static ST_FIELD_INFO innodb_trx_fields_info[] = END_OF_ST_FIELD_INFO }; -/*********************************************************************** +/*******************************************************************//** Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_trx table with it. @return 0 on success */ @@ -378,7 +379,7 @@ fill_innodb_trx_from_cache( DBUG_RETURN(0); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table INFORMATION_SCHEMA.innodb_trx @return 0 on success */ static @@ -550,7 +551,7 @@ static ST_FIELD_INFO innodb_locks_fields_info[] = END_OF_ST_FIELD_INFO }; -/*********************************************************************** +/*******************************************************************//** Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_locks table with it. @return 0 on success */ @@ -658,7 +659,7 @@ fill_innodb_locks_from_cache( DBUG_RETURN(0); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table INFORMATION_SCHEMA.innodb_locks @return 0 on success */ static @@ -770,7 +771,7 @@ static ST_FIELD_INFO innodb_lock_waits_fields_info[] = END_OF_ST_FIELD_INFO }; -/*********************************************************************** +/*******************************************************************//** Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_lock_waits table with it. @return 0 on success */ @@ -841,7 +842,7 @@ fill_innodb_lock_waits_from_cache( DBUG_RETURN(0); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits @return 0 on success */ static @@ -911,7 +912,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits = STRUCT_FLD(__reserved1, NULL) }; -/*********************************************************************** +/*******************************************************************//** Common function to fill any of the dynamic tables: INFORMATION_SCHEMA.innodb_trx INFORMATION_SCHEMA.innodb_locks @@ -1072,7 +1073,7 @@ static ST_FIELD_INFO i_s_cmp_fields_info[] = }; -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmp or innodb_cmp_reset. @return 0 on success, 1 on failure */ @@ -1130,7 +1131,7 @@ i_s_cmp_fill_low( DBUG_RETURN(status); } -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmp. @return 0 on success, 1 on failure */ static @@ -1144,7 +1145,7 @@ i_s_cmp_fill( return(i_s_cmp_fill_low(thd, tables, cond, FALSE)); } -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmp_reset. @return 0 on success, 1 on failure */ static @@ -1158,7 +1159,7 @@ i_s_cmp_reset_fill( return(i_s_cmp_fill_low(thd, tables, cond, TRUE)); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table information_schema.innodb_cmp. @return 0 on success */ static @@ -1176,7 +1177,7 @@ i_s_cmp_init( DBUG_RETURN(0); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table information_schema.innodb_cmp_reset. @return 0 on success */ static @@ -1340,7 +1341,7 @@ static ST_FIELD_INFO i_s_cmpmem_fields_info[] = END_OF_ST_FIELD_INFO }; -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmpmem or innodb_cmpmem_reset. @return 0 on success, 1 on failure */ @@ -1396,7 +1397,7 @@ i_s_cmpmem_fill_low( DBUG_RETURN(status); } -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmpmem. @return 0 on success, 1 on failure */ static @@ -1410,7 +1411,7 @@ i_s_cmpmem_fill( return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE)); } -/*********************************************************************** +/*******************************************************************//** Fill the dynamic table information_schema.innodb_cmpmem_reset. @return 0 on success, 1 on failure */ static @@ -1424,7 +1425,7 @@ i_s_cmpmem_reset_fill( return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE)); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table information_schema.innodb_cmpmem. @return 0 on success */ static @@ -1442,7 +1443,7 @@ i_s_cmpmem_init( DBUG_RETURN(0); } -/*********************************************************************** +/*******************************************************************//** Bind the dynamic table information_schema.innodb_cmpmem_reset. @return 0 on success */ static @@ -1559,7 +1560,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset = STRUCT_FLD(__reserved1, NULL) }; -/*********************************************************************** +/*******************************************************************//** Unbind a dynamic INFORMATION_SCHEMA table. @return 0 on success */ static diff --git a/handler/i_s.h b/handler/i_s.h index 0ff69e3c087..402c88bbedb 100644 --- a/handler/i_s.h +++ b/handler/i_s.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file handler/i_s.h InnoDB INFORMATION SCHEMA tables interface to MySQL. Created July 18, 2007 Vasil Dimov diff --git a/handler/mysql_addons.cc b/handler/mysql_addons.cc index a5d9c82c3e3..eae1fe9fbc2 100644 --- a/handler/mysql_addons.cc +++ b/handler/mysql_addons.cc @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file handler/mysql_addons.cc This file contains functions that need to be added to MySQL code but have not been added yet. diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc index a3088b5498c..9b92f6a9cf2 100644 --- a/handler/win_delay_loader.cc +++ b/handler/win_delay_loader.cc @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file handler/win_delay_loader.cc This file contains functions that implement the delay loader on Windows. This is a customized version of delay loader with limited functionalities. @@ -48,7 +49,7 @@ extern "C" { # include "hash0hash.h" } -/*********************************************************************** +/*******************************************************************//** This following contains a list of externals that can not be resolved by delay loading. They have to be resolved indirectly via their addresses in the .map file. All of them are external variables. */ @@ -72,8 +73,8 @@ uint* wdl_lower_case_table_names; ulong* wdl_specialflag; int* wdl_my_umask; -/*********************************************************************** -The preffered load-address defined in PE (portable executable format). */ +/*******************************************************************//** +The preferred load-address defined in PE (portable executable format). */ #if defined(_M_IA64) #pragma section(".base", long, read) extern "C" @@ -84,7 +85,7 @@ extern "C" const IMAGE_DOS_HEADER __ImageBase; #endif -/*********************************************************************** +/*******************************************************************//** A template function for converting a relative address (RVA) to an absolute address (VA). This is due to the pointers in the delay descriptor (ImgDelayDescr in delayimp.h) have been changed from @@ -98,20 +99,20 @@ X PFromRva( return X(PBYTE(&__ImageBase) + rva); } -/*********************************************************************** +/*******************************************************************//** Convert to the old format for convenience. The structure as well as its element names follow the definition of ImgDelayDescr in delayimp.h. */ struct InternalImgDelayDescr { - DWORD grAttrs; /* attributes */ - LPCSTR szName; /* pointer to dll name */ - HMODULE* phmod; /* address of module handle */ - PImgThunkData pIAT; /* address of the IAT */ - PCImgThunkData pINT; /* address of the INT */ - PCImgThunkData pBoundIAT; /* address of the optional bound IAT */ - PCImgThunkData pUnloadIAT; /* address of optional copy of + DWORD grAttrs; /*!< attributes */ + LPCSTR szName; /*!< pointer to dll name */ + HMODULE* phmod; /*!< address of module handle */ + PImgThunkData pIAT; /*!< address of the IAT */ + PCImgThunkData pINT; /*!< address of the INT */ + PCImgThunkData pBoundIAT; /*!< address of the optional bound IAT */ + PCImgThunkData pUnloadIAT; /*!< address of optional copy of original IAT */ - DWORD dwTimeStamp; /* 0 if not bound, + DWORD dwTimeStamp; /*!< 0 if not bound, otherwise date/time stamp of DLL bound to (Old BIND) */ }; @@ -119,11 +120,11 @@ struct InternalImgDelayDescr typedef struct map_hash_chain_struct map_hash_chain_t; struct map_hash_chain_struct { - char* symbol; /* pointer to a symbol */ - ulint value; /* address of the symbol */ - map_hash_chain_t* next; /* pointer to the next cell + char* symbol; /*!< pointer to a symbol */ + ulint value; /*!< address of the symbol */ + map_hash_chain_t* next; /*!< pointer to the next cell in the same folder. */ - map_hash_chain_t* chain; /* a linear chain used for + map_hash_chain_t* chain; /*!< a linear chain used for cleanup. */ }; @@ -134,7 +135,7 @@ static ibool wdl_init = FALSE; const ulint MAP_HASH_CELLS_NUM = 10000; #ifndef DBUG_OFF -/*********************************************************************** +/*******************************************************************//** In the dynamic plugin, it is required to call the following dbug functions in the server: _db_pargs_ @@ -180,7 +181,7 @@ static pfn_db_doprnt_ wdl_db_doprnt_; static pfn_db_dump_ wdl_db_dump_; #endif /* !DBUG_OFF */ -/***************************************************************** +/*************************************************************//** Creates a hash table with >= n array cells. The actual number of cells is chosen to be a prime number slightly bigger than n. @@ -225,7 +226,7 @@ wdl_hash_create( return(table); } -/***************************************************************** +/*************************************************************//** Frees a hash table. */ static void @@ -240,7 +241,7 @@ wdl_hash_table_free( free(table); } -/*********************************************************************** +/*******************************************************************//** Function for calculating the count of imports given the base of the IAT. @return number of imports */ static @@ -260,7 +261,7 @@ wdl_import_count( return(ret); } -/*********************************************************************** +/*******************************************************************//** Read Mapfile to a hashtable for faster access @return TRUE if the mapfile is loaded successfully. */ static @@ -372,7 +373,7 @@ wdl_load_mapfile( return(TRUE); } -/***************************************************************** +/*************************************************************//** Cleanup.during DLL unload */ static void @@ -394,7 +395,7 @@ wdl_cleanup(void) } } -/*********************************************************************** +/*******************************************************************//** Load the mapfile mysqld.map. @return the module handle */ static @@ -444,7 +445,7 @@ wdl_get_mysqld_mapfile(void) return(my_hmod); } -/*********************************************************************** +/*******************************************************************//** Retrieves the address of an exported function. It follows the convention of GetProcAddress(). @return address of exported function. */ @@ -507,7 +508,7 @@ wdl_get_procaddr_from_map( return((FARPROC) ((ulint) m_handle + hash_chain->value)); } -/*********************************************************************** +/*******************************************************************//** Retrieves the address of an exported variable. Note: It does not follow the Windows call convention FARPROC. @return address of exported variable. */ @@ -570,7 +571,7 @@ wdl_get_varaddr_from_map( return((void*) ((ulint) m_handle + hash_chain->value)); } -/*********************************************************************** +/*******************************************************************//** Bind all unresolved external variables from the MySQL executable. @return TRUE if successful */ static @@ -669,7 +670,7 @@ wdl_get_external_variables(void) #undef GET_PROC_ADDR } -/*********************************************************************** +/*******************************************************************//** The DLL Delayed Loading Helper Function for resolving externals. The function may fail due to one of the three reasons: @@ -812,9 +813,10 @@ __delayLoadHelper2( return(fun); } -/*********************************************************************** +/*******************************************************************//** Unload a DLL that was delay loaded. This function is called by run-time. -@return TRUE is returned if the DLL is found and the IAT matches the original one. */ +@return TRUE is returned if the DLL is found and the IAT matches the +original one. */ extern "C" BOOL WINAPI __FUnloadDelayLoadedDLL2( @@ -824,7 +826,7 @@ __FUnloadDelayLoadedDLL2( return(TRUE); } -/****************************************************************** +/**************************************************************//** Load all imports from a DLL that was specified with the /delayload linker option. Note: this function is called by run-time. So, it has to follow Windows call @@ -894,7 +896,7 @@ __HrLoadAllImportsForDll( return ret; } -/****************************************************************** +/**************************************************************//** The main function of a DLL @return TRUE if the call succeeds */ BOOL @@ -925,7 +927,7 @@ DllMain( } #ifndef DBUG_OFF -/****************************************************************** +/**************************************************************//** Process entry point to user function. It makes the call to _db_enter_ in mysqld.exe. The DBUG functions are defined in my_dbug.h. */ extern "C" UNIV_INTERN @@ -946,7 +948,7 @@ _db_enter_( } } -/****************************************************************** +/**************************************************************//** Process exit from user function. It makes the call to _db_return_() in the server. */ extern "C" UNIV_INTERN @@ -963,7 +965,7 @@ _db_return_( } } -/****************************************************************** +/**************************************************************//** Log arguments for subsequent use. It makes the call to _db_pargs_() in the server. */ extern "C" UNIV_INTERN @@ -978,7 +980,7 @@ _db_pargs_( } } -/****************************************************************** +/**************************************************************//** Handle print of debug lines. It saves the text into a buffer first, then makes the call to _db_doprnt_() in the server. The text is truncated to the size of buffer. */ @@ -1001,7 +1003,7 @@ _db_doprnt_( } } -/****************************************************************** +/**************************************************************//** Dump a string in hex. It makes the call to _db_dump_() in the server. */ extern "C" UNIV_INTERN void diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index ca217b31f6e..90992634ec9 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file ibuf/ibuf0ibuf.c Insert buffer Created 7/19/1997 Heikki Tuuri @@ -24,12 +25,12 @@ Created 7/19/1997 Heikki Tuuri #include "ibuf0ibuf.h" -/* Number of bits describing a single page */ +/** Number of bits describing a single page */ #define IBUF_BITS_PER_PAGE 4 #if IBUF_BITS_PER_PAGE % 2 # error "IBUF_BITS_PER_PAGE must be an even number!" #endif -/* The start address for an insert buffer bitmap page bitmap */ +/** The start address for an insert buffer bitmap page bitmap */ #define IBUF_BITMAP PAGE_DATA #ifdef UNIV_NONINL @@ -181,10 +182,10 @@ level 2 i/o. However, if an OS thread does the i/o handling for itself, i.e., it uses synchronous aio, it can access any pages, as long as it obeys the access order rules. */ -/* Buffer pool size per the maximum insert buffer size */ +/** Buffer pool size per the maximum insert buffer size */ #define IBUF_POOL_SIZE_PER_MAX_SIZE 2 -/* Table name for the insert buffer. */ +/** Table name for the insert buffer. */ #define IBUF_TABLE_NAME "SYS_IBUF_TABLE" /** Operations that can currently be buffered. */ @@ -193,17 +194,19 @@ UNIV_INTERN ibuf_use_t ibuf_use = IBUF_USE_ALL; /** The insert buffer control structure */ UNIV_INTERN ibuf_t* ibuf = NULL; +/** Counter for ibuf_should_try() */ UNIV_INTERN ulint ibuf_flush_count = 0; #ifdef UNIV_IBUF_COUNT_DEBUG -/* Dimensions for the ibuf_count array */ +/** Number of tablespaces in the ibuf_counts array */ #define IBUF_COUNT_N_SPACES 4 +/** Number of pages within each tablespace in the ibuf_counts array */ #define IBUF_COUNT_N_PAGES 130000 -/* Buffered entry counts for file pages, used in debugging */ +/** Buffered entry counts for file pages, used in debugging */ static ulint ibuf_counts[IBUF_COUNT_N_SPACES][IBUF_COUNT_N_PAGES]; -/********************************************************************** +/******************************************************************//** Checks that the indexes to ibuf_counts[][] are within limits. */ UNIV_INLINE void @@ -227,62 +230,79 @@ ibuf_count_check( } #endif -/* Offsets in bits for the bits describing a single page in the bitmap */ -#define IBUF_BITMAP_FREE 0 -#define IBUF_BITMAP_BUFFERED 2 -#define IBUF_BITMAP_IBUF 3 /* TRUE if page is a part of the ibuf - tree, excluding the root page, or is - in the free list of the ibuf */ +/** @name Offsets in bits for the bits describing a single page in the +insert buffer bitmap */ +/* @{ */ +#define IBUF_BITMAP_FREE 0 /*!< Bits indicating the + amount of free space */ +#define IBUF_BITMAP_BUFFERED 2 /*!< TRUE if there are buffered + changes for the page */ +#define IBUF_BITMAP_IBUF 3 /*!< TRUE if page is a part of + the ibuf tree, excluding the + root page, or is in the free + list of the ibuf */ +/* @} */ /* Various constants for checking the type of an ibuf record and extracting data from it. For details, see the description of the record format at the top of this file. */ -#define IBUF_REC_INFO_SIZE 4 /* Combined size of info fields at +/** @name Format of the fourth column of an insert buffer record +The fourth column in the InnoDB+ Plugin format contains an operation +type, counter, and some flags. */ +/* @{ */ +#define IBUF_REC_INFO_SIZE 4 /*!< Combined size of info fields at the beginning of the fourth field */ #if IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE # error "IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" #endif /* Offsets for the fields at the beginning of the fourth field */ -#define IBUF_REC_OFFSET_COUNTER 0 -#define IBUF_REC_OFFSET_TYPE 2 -#define IBUF_REC_OFFSET_FLAGS 3 +#define IBUF_REC_OFFSET_COUNTER 0 /*!< Operation counter */ +#define IBUF_REC_OFFSET_TYPE 2 /*!< Type of operation */ +#define IBUF_REC_OFFSET_FLAGS 3 /*!< Additional flags */ /* Record flag masks */ -#define IBUF_REC_COMPACT 0x1 /* Whether the record is compact */ +#define IBUF_REC_COMPACT 0x1 /*!< Set in + IBUF_REC_OFFSET_FLAGS if the + user index is in COMPACT + format or later */ -/* The mutex used to block pessimistic inserts to ibuf trees */ +/** The mutex used to block pessimistic inserts to ibuf trees */ static mutex_t ibuf_pessimistic_insert_mutex; -/* The mutex protecting the insert buffer structs */ +/** The mutex protecting the insert buffer structs */ static mutex_t ibuf_mutex; -/* The mutex protecting the insert buffer bitmaps */ +/** The mutex protecting the insert buffer bitmaps */ static mutex_t ibuf_bitmap_mutex; -/* The area in pages from which contract looks for page numbers for merge */ +/** The area in pages from which contract looks for page numbers for merge */ #define IBUF_MERGE_AREA 8 -/* Inside the merge area, pages which have at most 1 per this number less +/** Inside the merge area, pages which have at most 1 per this number less buffered entries compared to maximum volume that can buffered for a single page are merged along with the page whose buffer became full */ #define IBUF_MERGE_THRESHOLD 4 -/* In ibuf_contract at most this number of pages is read to memory in one +/** In ibuf_contract at most this number of pages is read to memory in one batch, in order to merge the entries for them in the insert buffer */ #define IBUF_MAX_N_PAGES_MERGED IBUF_MERGE_AREA -/* If the combined size of the ibuf trees exceeds ibuf->max_size by this +/** If the combined size of the ibuf trees exceeds ibuf->max_size by this many pages, we start to contract it in connection to inserts there, using non-synchronous contract */ #define IBUF_CONTRACT_ON_INSERT_NON_SYNC 0 -/* Same as above, but use synchronous contract */ +/** If the combined size of the ibuf trees exceeds ibuf->max_size by this +many pages, we start to contract it in connection to inserts there, using +synchronous contract */ #define IBUF_CONTRACT_ON_INSERT_SYNC 5 -/* Same as above, but no insert is done, only contract is called */ +/** If the combined size of the ibuf trees exceeds ibuf->max_size by +this many pages, we start to contract it synchronous contract, but do +not insert */ #define IBUF_CONTRACT_DO_NOT_INSERT 10 /* TODO: how to cope with drop table if there are records in the insert @@ -291,7 +311,7 @@ because ibuf merge is done to a page when it is read in, and it is still physically like the index page even if the index would have been dropped! So, there seems to be no problem. */ -/********************************************************************** +/******************************************************************//** Sets the flag in the current OS thread local storage denoting that it is inside an insert buffer routine. */ UNIV_INLINE @@ -308,7 +328,7 @@ ibuf_enter(void) *ptr = TRUE; } -/********************************************************************** +/******************************************************************//** Sets the flag in the current OS thread local storage denoting that it is exiting an insert buffer routine. */ UNIV_INLINE @@ -325,10 +345,13 @@ ibuf_exit(void) *ptr = FALSE; } -/********************************************************************** +/******************************************************************//** Returns TRUE if the current OS thread is performing an insert buffer routine. -@return TRUE if inside an insert buffer routine: for instance, a read-ahead of non-ibuf pages is then forbidden */ + +For instance, a read-ahead of non-ibuf pages is forbidden by threads +that are executing an insert buffer routine. +@return TRUE if inside an insert buffer routine */ UNIV_INTERN ibool ibuf_inside(void) @@ -337,7 +360,7 @@ ibuf_inside(void) return(*thr_local_get_in_ibuf_field()); } -/********************************************************************** +/******************************************************************//** Gets the ibuf header page and x-latches it. @return insert buffer header page */ static @@ -357,7 +380,7 @@ ibuf_header_page_get( return(buf_block_get_frame(block)); } -/********************************************************************** +/******************************************************************//** Gets the root page and x-latches it. @return insert buffer tree root page */ static @@ -381,9 +404,10 @@ ibuf_tree_root_get( } #ifdef UNIV_IBUF_COUNT_DEBUG -/********************************************************************** +/******************************************************************//** Gets the ibuf count for a given page. -@return number of entries in the insert buffer currently buffered for this page */ +@return number of entries in the insert buffer currently buffered for +this page */ UNIV_INTERN ulint ibuf_count_get( @@ -396,7 +420,7 @@ ibuf_count_get( return(ibuf_counts[space][page_no]); } -/********************************************************************** +/******************************************************************//** Sets the ibuf count for a given page. */ static void @@ -413,7 +437,7 @@ ibuf_count_set( } #endif -/********************************************************************** +/******************************************************************//** Updates the size information of the ibuf, assuming the segment size has not changed. */ static @@ -436,7 +460,7 @@ ibuf_size_update( ibuf->empty = page_get_n_recs(root) == 0; } -/********************************************************************** +/******************************************************************//** Creates the insert buffer data structure at a database startup and initializes the data structures for the insert buffer. */ UNIV_INTERN @@ -532,7 +556,7 @@ ibuf_init_at_db_start(void) ibuf->index = dict_table_get_first_index(table); } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Initializes an ibuf bitmap page. */ UNIV_INTERN void @@ -568,7 +592,7 @@ ibuf_bitmap_page_init( #endif /* !UNIV_HOTBACKUP */ } -/************************************************************************* +/*********************************************************************//** Parses a redo log record of an ibuf bitmap page init. @return end of log record or NULL */ UNIV_INTERN @@ -589,7 +613,7 @@ ibuf_parse_bitmap_init( return(ptr); } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Gets the desired bits for a given page from a bitmap page. @return value of bits */ UNIV_INLINE @@ -644,7 +668,7 @@ ibuf_bitmap_page_get_bits( return(value); } -/************************************************************************ +/********************************************************************//** Sets the desired bit for a given page in a bitmap page. */ static void @@ -703,7 +727,7 @@ ibuf_bitmap_page_set_bits( MLOG_1BYTE, mtr); } -/************************************************************************ +/********************************************************************//** Calculates the bitmap page number for a given page number. @return the bitmap page number where the file page is mapped */ UNIV_INLINE @@ -725,10 +749,12 @@ ibuf_bitmap_page_no_calc( } } -/************************************************************************ +/********************************************************************//** Gets the ibuf bitmap page where the bits describing a given file page are stored. -@return bitmap page where the file page is mapped, that is, the bitmap page containing the descriptor bits for the file page; the bitmap page is x-latched */ +@return bitmap page where the file page is mapped, that is, the bitmap +page containing the descriptor bits for the file page; the bitmap page +is x-latched */ static page_t* ibuf_bitmap_get_map_page( @@ -749,7 +775,7 @@ ibuf_bitmap_get_map_page( return(buf_block_get_frame(block)); } -/**************************************************************************** +/************************************************************************//** Sets the free bits of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the latch to the bitmap page @@ -792,7 +818,7 @@ ibuf_set_free_bits_low( IBUF_BITMAP_FREE, val, mtr); } -/**************************************************************************** +/************************************************************************//** Sets the free bit of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the latch to the bitmap page @@ -862,7 +888,7 @@ ibuf_set_free_bits_func( mtr_commit(&mtr); } -/**************************************************************************** +/************************************************************************//** Resets the free bits of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the @@ -882,7 +908,7 @@ ibuf_reset_free_bits( ibuf_set_free_bits(block, 0, ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Updates the free bits for an uncompressed page to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations for this OS @@ -920,7 +946,7 @@ ibuf_update_free_bits_low( } } -/************************************************************************** +/**********************************************************************//** Updates the free bits for a compressed page to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations for this OS @@ -965,7 +991,7 @@ ibuf_update_free_bits_zip( IBUF_BITMAP_FREE, after, mtr); } -/************************************************************************** +/**********************************************************************//** Updates the free bits for the two pages to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations until mtr is committed. @@ -1001,7 +1027,7 @@ ibuf_update_free_bits_for_two_pages_low( mutex_exit(&ibuf_bitmap_mutex); } -/************************************************************************** +/**********************************************************************//** Returns TRUE if the page is one of the fixed address ibuf pages. @return TRUE if a fixed address ibuf i/o page */ UNIV_INLINE @@ -1017,7 +1043,7 @@ ibuf_fixed_addr_page( || ibuf_bitmap_page(zip_size, page_no)); } -/*************************************************************************** +/***********************************************************************//** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. Must not be called when recv_no_ibuf_operations==TRUE. @return TRUE if level 2 or level 3 page */ @@ -1066,7 +1092,7 @@ ibuf_page( return(ret); } -/************************************************************************ +/********************************************************************//** Returns the page number field of an ibuf record. @return page number */ static @@ -1100,7 +1126,7 @@ ibuf_rec_get_page_no( return(mach_read_from_4(field)); } -/************************************************************************ +/********************************************************************//** Returns the space id field of an ibuf record. For < 4.1.x format records returns 0. @return space id */ @@ -1134,7 +1160,7 @@ ibuf_rec_get_space( return(0); } -/******************************************************************** +/****************************************************************//** Get various information about an ibuf record in >= 4.1.x format. */ static void @@ -1207,7 +1233,7 @@ ibuf_rec_get_info( } } -/******************************************************************** +/****************************************************************//** Returns the operation type field of an ibuf record. @return operation type */ static @@ -1237,10 +1263,11 @@ ibuf_rec_get_op_type( } } -/******************************************************************** +/****************************************************************//** Read the first two bytes from a record's fourth field (counter field in new records; something else in older records). -@return "counter" field, or ULINT_UNDEFINED if for some reason it can't be read */ +@return "counter" field, or ULINT_UNDEFINED if for some reason it +can't be read */ UNIV_INTERN ulint ibuf_rec_get_counter( @@ -1266,7 +1293,7 @@ ibuf_rec_get_counter( } } -/******************************************************************** +/****************************************************************//** Add accumulated operation counts to a permanent array. Both arrays must be of size IBUF_OP_COUNT. */ static @@ -1284,7 +1311,7 @@ ibuf_add_ops( } } -/******************************************************************** +/****************************************************************//** Print operation counts. The array must be of size IBUF_OP_COUNT. */ static void @@ -1310,9 +1337,8 @@ ibuf_print_ops( putc('\n', file); } -/************************************************************************ +/********************************************************************//** Creates a dummy index for inserting a record to a non-clustered index. - @return dummy index */ static dict_index_t* @@ -1338,7 +1364,7 @@ ibuf_dummy_index_create( return(index); } -/************************************************************************ +/********************************************************************//** Add a column to the dummy index */ static void @@ -1356,9 +1382,9 @@ ibuf_dummy_index_add_col( dict_index_add_col(index, index->table, dict_table_get_nth_col(index->table, i), len); } -/************************************************************************ +/********************************************************************//** Deallocates a dummy index for inserting a record to a non-clustered index. - */ +*/ static void ibuf_dummy_index_free( @@ -1371,10 +1397,14 @@ ibuf_dummy_index_free( dict_mem_table_free(table); } -/************************************************************************* +/*********************************************************************//** Builds the entry to insert into a non-clustered index when we have the corresponding record in an ibuf index. -@return own: entry to insert to a non-clustered index; NOTE that as we copy pointers to fields in ibuf_rec, the caller must hold a latch to the ibuf_rec page as long as the entry is used! */ + +NOTE that as we copy pointers to fields in ibuf_rec, the caller must +hold a latch to the ibuf_rec page as long as the entry is used! + +@return own: entry to insert to a non-clustered index */ UNIV_INLINE dtuple_t* ibuf_build_entry_pre_4_1_x( @@ -1419,7 +1449,7 @@ ibuf_build_entry_pre_4_1_x( return(tuple); } -/************************************************************************* +/*********************************************************************//** Builds the entry used to 1) IBUF_OP_INSERT: insert into a non-clustered index @@ -1430,7 +1460,11 @@ Builds the entry used to 3) IBUF_OP_DELETE: find the record we need to delete when we have the corresponding record in an ibuf index. -@return own: entry to insert to a non-clustered index; NOTE that as we copy pointers to fields in ibuf_rec, the caller must hold a latch to the ibuf_rec page as long as the entry is used! */ + +NOTE that as we copy pointers to fields in ibuf_rec, the caller must +hold a latch to the ibuf_rec page as long as the entry is used! + +@return own: entry to insert to a non-clustered index */ static dtuple_t* ibuf_build_entry_from_ibuf_rec( @@ -1506,7 +1540,7 @@ ibuf_build_entry_from_ibuf_rec( return(tuple); } -/********************************************************************** +/******************************************************************//** Get the data size. @return size of fields */ UNIV_INLINE @@ -1558,10 +1592,11 @@ ibuf_rec_get_size( return(size); } -/************************************************************************ +/********************************************************************//** Returns the space taken by a stored non-clustered index entry if converted to an index record. -@return size of index record in bytes + an upper limit of the space taken in the page directory */ +@return size of index record in bytes + an upper limit of the space +taken in the page directory */ static ulint ibuf_rec_get_volume( @@ -1641,10 +1676,14 @@ ibuf_rec_get_volume( + page_dir_calc_reserved_space(1)); } -/************************************************************************* +/*********************************************************************//** Builds the tuple to insert to an ibuf tree when we have an entry for a non-clustered index. -@return own: entry to insert into an ibuf index tree; NOTE that the original entry must be kept because we copy pointers to its fields */ + +NOTE that the original entry must be kept because we copy pointers to +its fields. + +@return own: entry to insert into an ibuf index tree */ static dtuple_t* ibuf_entry_build( @@ -1804,7 +1843,7 @@ ibuf_entry_build( return(tuple); } -/************************************************************************* +/*********************************************************************//** Builds a search tuple used to search buffered inserts for an index page. This is for < 4.1.x format records @return own: search tuple */ @@ -1841,7 +1880,7 @@ ibuf_search_tuple_build( return(tuple); } -/************************************************************************* +/*********************************************************************//** Builds a search tuple used to search buffered inserts for an index page. This is for >= 4.1.x format records. @return own: search tuple */ @@ -1896,7 +1935,7 @@ ibuf_new_search_tuple_build( return(tuple); } -/************************************************************************* +/*********************************************************************//** Checks if there are enough pages in the free list of the ibuf tree that we dare to start a pessimistic insert to the insert buffer. @return TRUE if enough free pages in list */ @@ -1916,7 +1955,7 @@ ibuf_data_enough_free_for_insert(void) return(ibuf->free_list_len >= (ibuf->size / 2) + 3 * ibuf->height); } -/************************************************************************* +/*********************************************************************//** Checks if there are enough pages in the free list of the ibuf tree that we should remove them and free to the file space management. @return TRUE if enough free pages in list */ @@ -1930,7 +1969,7 @@ ibuf_data_too_much_free(void) return(ibuf->free_list_len >= 3 + (ibuf->size / 2) + 3 * ibuf->height); } -/************************************************************************* +/*********************************************************************//** Allocates a new page from the ibuf file segment and adds it to the free list. @return DB_SUCCESS, or DB_STRONG_FAIL if no space left */ @@ -2024,7 +2063,7 @@ ibuf_add_free_page(void) return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Removes a page from the free list and frees it to the fsp system. */ static void @@ -2149,7 +2188,7 @@ ibuf_remove_free_page(void) ibuf_exit(); } -/*************************************************************************** +/***********************************************************************//** Frees excess pages from the ibuf free list. This function is called when an OS thread calls fsp services to allocate a new file segment, or a new page to a file segment, and the thread did not own the fsp latch before this call. */ @@ -2201,9 +2240,10 @@ ibuf_free_excess_pages(void) } } -/************************************************************************* +/*********************************************************************//** Reads page numbers from a leaf in an ibuf tree. -@return a lower limit for the combined volume of records which will be merged */ +@return a lower limit for the combined volume of records which will be +merged */ static ulint ibuf_get_merge_page_nos( @@ -2373,9 +2413,11 @@ ibuf_get_merge_page_nos( return(sum_volumes); } -/************************************************************************* +/*********************************************************************//** Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ static ulint ibuf_contract_ext( @@ -2467,9 +2509,11 @@ ibuf_is_empty: return(sum_sizes + 1); } -/************************************************************************* +/*********************************************************************//** Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ UNIV_INTERN ulint ibuf_contract( @@ -2483,9 +2527,11 @@ ibuf_contract( return(ibuf_contract_ext(&n_pages, sync)); } -/************************************************************************* +/*********************************************************************//** Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ UNIV_INTERN ulint ibuf_contract_for_n_pages( @@ -2516,7 +2562,7 @@ ibuf_contract_for_n_pages( return(sum_bytes); } -/************************************************************************* +/*********************************************************************//** Contract insert buffer trees after insert if they are too big. */ UNIV_INLINE void @@ -2557,7 +2603,7 @@ ibuf_contract_after_insert( } } -/************************************************************************* +/*********************************************************************//** Determine if an insert buffer record has been encountered already. @return TRUE if a new record, FALSE if possible duplicate */ static @@ -2594,10 +2640,11 @@ ibuf_get_volume_buffered_hash( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Update the estimate of the number of records on a page, and get the space taken by merging the buffered record to the index page. -@return size of index record in bytes + an upper limit of the space taken in the page directory */ +@return size of index record in bytes + an upper limit of the space +taken in the page directory */ static ulint ibuf_get_volume_buffered_count( @@ -2711,10 +2758,12 @@ get_volume_comp: } } -/************************************************************************* -Gets an upper limit for the combined size of inserts buffered for a -given page. -@return upper limit for the volume of buffered inserts for the index page, in bytes; we may also return UNIV_PAGE_SIZE, if the entries for the index page span several pages in the insert buffer */ +/*********************************************************************//** +Gets an upper limit for the combined size of entries buffered in the insert +buffer for a given page. +@return upper limit for the volume of buffered inserts for the index +page, in bytes; UNIV_PAGE_SIZE, if the entries for the index page span +several pages in the insert buffer */ static ulint ibuf_get_volume_buffered( @@ -2904,7 +2953,7 @@ count_later: } } -/************************************************************************* +/*********************************************************************//** Reads the biggest tablespace id from the high end of the insert buffer tree and updates the counter in fil_system. */ UNIV_INTERN @@ -2952,11 +3001,11 @@ ibuf_update_max_tablespace_id(void) fil_set_max_space_id_if_bigger(max_space_id); } -/******************************************************************** +/****************************************************************//** Helper function for ibuf_set_entry_counter. Checks if rec is for (space, page_no), and if so, reads counter value from it and returns that + 1. Otherwise, returns 0. -@return new counter value */ +@return new counter value, or 0 */ static ulint ibuf_get_entry_counter_low( @@ -3019,7 +3068,7 @@ ibuf_get_entry_counter_low( } } -/******************************************************************** +/****************************************************************//** Set the counter field in entry to the correct value based on the current last record in ibuf for (space, page_no). @return FALSE if we should abort this insertion to ibuf */ @@ -3155,9 +3204,9 @@ ibuf_set_entry_counter( return(TRUE); } -/************************************************************************* -Makes an index insert to the insert buffer, instead of directly to the disk -page, if this is possible. +/*********************************************************************//** +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. @return DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ static ulint @@ -3475,7 +3524,7 @@ function_exit: return(err); } -/************************************************************************* +/*********************************************************************//** Buffer an operation in the insert/delete buffer, instead of doing it directly to the disk page, if this is possible. Does not do it if the index is clustered or unique. @@ -3608,7 +3657,7 @@ skip_notify: } } -/************************************************************************ +/********************************************************************//** During merge, inserts to an index page a secondary index entry extracted from the insert buffer. */ static @@ -3749,7 +3798,7 @@ dump: } } -/******************************************************************** +/****************************************************************//** During merge, sets the delete mark on a record for a secondary index entry. */ static @@ -3783,7 +3832,7 @@ ibuf_set_del_mark( } } -/******************************************************************** +/****************************************************************//** During merge, delete a record for a secondary index entry. */ static void @@ -3860,7 +3909,7 @@ ibuf_delete( } } -/************************************************************************* +/*********************************************************************//** Deletes from ibuf the record on which pcur is positioned. If we have to resort to a pessimistic delete, this function commits mtr and closes the cursor. @@ -3975,7 +4024,7 @@ func_exit: return(TRUE); } -/************************************************************************* +/*********************************************************************//** When an index page is read from a disk to the buffer pool, this function applies any buffered operations to the page and deletes the entries from the insert buffer. If the page is not read, but created in the buffer pool, this @@ -4334,7 +4383,7 @@ reset_bit: #endif } -/************************************************************************* +/*********************************************************************//** Deletes all entries in the insert buffer for a given space id. This is used in DISCARD TABLESPACE and IMPORT TABLESPACE. NOTE: this does not update the page free bitmaps in the space. The space will @@ -4432,7 +4481,7 @@ leave_loop: mem_heap_free(heap); } -/********************************************************************** +/******************************************************************//** Looks if the insert buffer is empty. @return TRUE if empty */ UNIV_INTERN @@ -4479,7 +4528,7 @@ ibuf_is_empty(void) return(is_empty); } -/********************************************************************** +/******************************************************************//** Prints info of ibuf. */ UNIV_INTERN void diff --git a/include/btr0btr.h b/include/btr0btr.h index fa483c4632c..aa51490ab19 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0btr.h The B-tree Created 6/2/1994 Heikki Tuuri @@ -34,54 +35,63 @@ Created 6/2/1994 Heikki Tuuri #include "btr0types.h" #ifndef UNIV_HOTBACKUP -/* Maximum record size which can be stored on a page, without using the +/** Maximum record size which can be stored on a page, without using the special big record storage structure */ - #define BTR_PAGE_MAX_REC_SIZE (UNIV_PAGE_SIZE / 2 - 200) -/* Maximum depth of a B-tree in InnoDB. Note that this isn't a maximum as -such; none of the tree operations avoid producing trees bigger than this. It -is instead a "max depth that other code must work with", useful for e.g. -fixed-size arrays that must store some information about each level in a -tree. In other words: if a B-tree with bigger depth than this is -encountered, it is not acceptable for it to lead to mysterious memory -corruption, but it is acceptable for the program to die with a clear assert -failure. */ +/** @brief Maximum depth of a B-tree in InnoDB. + +Note that this isn't a maximum as such; none of the tree operations +avoid producing trees bigger than this. It is instead a "max depth +that other code must work with", useful for e.g. fixed-size arrays +that must store some information about each level in a tree. In other +words: if a B-tree with bigger depth than this is encountered, it is +not acceptable for it to lead to mysterious memory corruption, but it +is acceptable for the program to die with a clear assert failure. */ #define BTR_MAX_LEVELS 100 -/* Latching modes for btr_cur_search_to_nth_level(). */ -#define BTR_SEARCH_LEAF RW_S_LATCH -#define BTR_MODIFY_LEAF RW_X_LATCH -#define BTR_NO_LATCHES RW_NO_LATCH -#define BTR_MODIFY_TREE 33 -#define BTR_CONT_MODIFY_TREE 34 -#define BTR_SEARCH_PREV 35 -#define BTR_MODIFY_PREV 36 +/** Latching modes for btr_cur_search_to_nth_level(). */ +enum btr_latch_mode { + /** Search a record on a leaf page and S-latch it. */ + BTR_SEARCH_LEAF = RW_S_LATCH, + /** (Prepare to) modify a record on a leaf page and X-latch it. */ + BTR_MODIFY_LEAF = RW_X_LATCH, + /** Obtain no latches. */ + BTR_NO_LATCHES = RW_NO_LATCH, + /** Start modifying the entire B-tree. */ + BTR_MODIFY_TREE = 33, + /** Continue modifying the entire B-tree. */ + BTR_CONT_MODIFY_TREE = 34, + /** Search the previous record. */ + BTR_SEARCH_PREV = 35, + /** Modify the previous record. */ + BTR_MODIFY_PREV = 36 +}; /* BTR_INSERT, BTR_DELETE and BTR_DELETE_MARK are mutually exclusive. */ -/* If this is ORed to the latch mode, it means that the search tuple will be -inserted to the index, at the searched position */ +/** If this is ORed to btr_latch_mode, it means that the search tuple +will be inserted to the index, at the searched position */ #define BTR_INSERT 512 -/* This flag ORed to latch mode says that we do the search in query +/** This flag ORed to btr_latch_mode says that we do the search in query optimization */ #define BTR_ESTIMATE 1024 -/* This flag ORed to latch mode says that we can ignore possible -UNIQUE definition on secondary indexes when we decide if we can use the -insert buffer to speed up inserts */ +/** This flag ORed to btr_latch_mode says that we can ignore possible +UNIQUE definition on secondary indexes when we decide if we can use +the insert buffer to speed up inserts */ #define BTR_IGNORE_SEC_UNIQUE 2048 -/* Try to delete mark the record at the searched position using the +/** Try to delete mark the record at the searched position using the insert/delete buffer. */ #define BTR_DELETE_MARK 4096 -/* Try to delete the record at the searched position using the insert/delete +/** Try to delete the record at the searched position using the insert/delete buffer. */ #define BTR_DELETE 8192 -/****************************************************************** +/**************************************************************//** Gets the root node of a tree and x-latches it. @return root page, x-latched */ UNIV_INTERN @@ -90,7 +100,7 @@ btr_root_get( /*=========*/ dict_index_t* index, /*!< in: index tree */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Gets a buffer page and declares its latching order level. */ UNIV_INLINE buf_block_t* @@ -102,7 +112,7 @@ btr_block_get( ulint page_no, /*!< in: page number */ ulint mode, /*!< in: latch mode */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Gets a buffer page and declares its latching order level. */ UNIV_INLINE page_t* @@ -115,7 +125,7 @@ btr_page_get( ulint mode, /*!< in: latch mode */ mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/****************************************************************** +/**************************************************************//** Gets the index id field of a page. @return index id */ UNIV_INLINE @@ -124,7 +134,7 @@ btr_page_get_index_id( /*==================*/ const page_t* page); /*!< in: index page */ #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Gets the node level field in an index page. @return level, leaf level == 0 */ UNIV_INLINE @@ -132,7 +142,7 @@ ulint btr_page_get_level_low( /*===================*/ const page_t* page); /*!< in: index page */ -/************************************************************ +/********************************************************//** Gets the node level field in an index page. @return level, leaf level == 0 */ UNIV_INLINE @@ -141,7 +151,7 @@ btr_page_get_level( /*===============*/ const page_t* page, /*!< in: index page */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Gets the next index page number. @return next page number */ UNIV_INLINE @@ -150,7 +160,7 @@ btr_page_get_next( /*==============*/ const page_t* page, /*!< in: index page */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Gets the previous index page number. @return prev page number */ UNIV_INLINE @@ -159,7 +169,7 @@ btr_page_get_prev( /*==============*/ const page_t* page, /*!< in: index page */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/***************************************************************** +/*************************************************************//** Gets pointer to the previous user record in the tree. It is assumed that the caller has appropriate latches on the page and its neighbor. @return previous user record, NULL if there is none */ @@ -170,7 +180,7 @@ btr_get_prev_user_rec( rec_t* rec, /*!< in: record on leaf level */ mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if needed, also to the previous page */ -/***************************************************************** +/*************************************************************//** Gets pointer to the next user record in the tree. It is assumed that the caller has appropriate latches on the page and its neighbor. @return next user record, NULL if there is none */ @@ -181,7 +191,7 @@ btr_get_next_user_rec( rec_t* rec, /*!< in: record on leaf level */ mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if needed, also to the next page */ -/****************************************************************** +/**************************************************************//** Releases the latch on a leaf page and bufferunfixes it. */ UNIV_INLINE void @@ -191,7 +201,7 @@ btr_leaf_page_release( ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Gets the child node file address in a node pointer. @return child node address */ UNIV_INLINE @@ -200,7 +210,7 @@ btr_node_ptr_get_child_page_no( /*===========================*/ const rec_t* rec, /*!< in: node pointer record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**************************************************************** +/************************************************************//** Creates the root node for a new index tree. @return page number of the created root, FIL_NULL if did not succeed */ UNIV_INTERN @@ -214,7 +224,7 @@ btr_create( dulint index_id,/*!< in: index id */ dict_index_t* index, /*!< in: index */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/**************************************************************** +/************************************************************//** Frees a B-tree except the root page, which MUST be freed after this by calling btr_free_root. */ UNIV_INTERN @@ -225,7 +235,7 @@ btr_free_but_not_root( ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ ulint root_page_no); /*!< in: root page number */ -/**************************************************************** +/************************************************************//** Frees the B-tree root page. Other tree MUST already have been freed. */ UNIV_INTERN void @@ -237,7 +247,7 @@ btr_free_root( ulint root_page_no, /*!< in: root page number */ mtr_t* mtr); /*!< in: a mini-transaction which has already been started */ -/***************************************************************** +/*************************************************************//** Makes tree one level higher by splitting the root, and inserts the tuple. It is assumed that mtr contains an x-latch on the tree. NOTE that the operation of this function must always succeed, @@ -255,7 +265,7 @@ btr_root_raise_and_insert( const dtuple_t* tuple, /*!< in: tuple to insert */ ulint n_ext, /*!< in: number of externally stored columns */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Reorganizes an index page. IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf page of a non-clustered index, the caller must update the insert @@ -269,7 +279,7 @@ btr_page_reorganize( buf_block_t* block, /*!< in: page to be reorganized */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Decides if the page should be split at the convergence point of inserts converging to left. @return TRUE if split recommended */ @@ -281,7 +291,7 @@ btr_page_get_split_rec_to_left( rec_t** split_rec);/*!< out: if split recommended, the first record on upper half page, or NULL if tuple should be first */ -/***************************************************************** +/*************************************************************//** Decides if the page should be split at the convergence point of inserts converging to right. @return TRUE if split recommended */ @@ -293,14 +303,15 @@ btr_page_get_split_rec_to_right( rec_t** split_rec);/*!< out: if split recommended, the first record on upper half page, or NULL if tuple should be first */ -/***************************************************************** +/*************************************************************//** Splits an index page to halves and inserts the tuple. It is assumed -that mtr holds an x-latch to the index tree. NOTE: the tree x-latch -is released within this function! NOTE that the operation of this -function must always succeed, we cannot reverse it: therefore -enough free disk space must be guaranteed to be available before +that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is +released within this function! NOTE that the operation of this +function must always succeed, we cannot reverse it: therefore enough +free disk space (2 pages) must be guaranteed to be available before this function is called. -@return inserted record; NOTE: the tree x-latch is released! NOTE: 2 free disk pages must be available! */ + +@return inserted record */ UNIV_INTERN rec_t* btr_page_split_and_insert( @@ -311,7 +322,7 @@ btr_page_split_and_insert( const dtuple_t* tuple, /*!< in: tuple to insert */ ulint n_ext, /*!< in: number of externally stored columns */ mtr_t* mtr); /*!< in: mtr */ -/*********************************************************** +/*******************************************************//** Inserts a data tuple to a tree on a non-leaf level. It is assumed that mtr holds an x-latch on the tree. */ UNIV_INTERN @@ -323,7 +334,7 @@ btr_insert_on_non_leaf_level( dtuple_t* tuple, /*!< in: the record to be inserted */ mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************** +/****************************************************************//** Sets a record as the predefined minimum record. */ UNIV_INTERN void @@ -332,7 +343,7 @@ btr_set_min_rec_mark( rec_t* rec, /*!< in/out: record */ mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Deletes on the upper level the node pointer to a page. */ UNIV_INTERN void @@ -342,7 +353,7 @@ btr_node_ptr_delete( buf_block_t* block, /*!< in: page whose node pointer is deleted */ mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_DEBUG -/**************************************************************** +/************************************************************//** Checks that the node pointer to a page is appropriate. @return TRUE */ UNIV_INTERN @@ -353,7 +364,7 @@ btr_check_node_ptr( buf_block_t* block, /*!< in: index page */ mtr_t* mtr); /*!< in: mtr */ #endif /* UNIV_DEBUG */ -/***************************************************************** +/*************************************************************//** Tries to merge the page first to the left immediate brother if such a brother exists, and the node pointers to the current page and to the brother reside on the same page. If the left brother does not satisfy these @@ -372,7 +383,7 @@ btr_compress( use btr_discard_page if the page would become empty */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Discards a page from a B-tree. This is used to remove the last record from a B-tree page: the whole page must be removed at the same time. This cannot be used for the root page, which is allowed to be empty. */ @@ -384,7 +395,7 @@ btr_discard_page( the root page */ mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for setting an index record as the predefined minimum record. @return end of log record or NULL */ @@ -397,7 +408,7 @@ btr_parse_set_min_rec_mark( ulint comp, /*!< in: nonzero=compact page format */ page_t* page, /*!< in: page or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of reorganizing a page. @return end of log record or NULL */ UNIV_INTERN @@ -410,7 +421,7 @@ btr_parse_page_reorganize( buf_block_t* block, /*!< in: page to be reorganized, or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ #ifndef UNIV_HOTBACKUP -/****************************************************************** +/**************************************************************//** Gets the number of pages in a B-tree. @return number of pages */ UNIV_INTERN @@ -419,7 +430,7 @@ btr_get_size( /*=========*/ dict_index_t* index, /*!< in: index */ ulint flag); /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ -/****************************************************************** +/**************************************************************//** Allocates a new file page to be used in an index tree. NOTE: we assume that the caller has made the reservation for free extents! @return new allocated block, x-latched; NULL if out of space */ @@ -434,7 +445,7 @@ btr_page_alloc( ulint level, /*!< in: level where the page is placed in the tree */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Frees a file page used in an index tree. NOTE: cannot free field external storage pages because the page must contain info on its level. */ UNIV_INTERN @@ -444,7 +455,7 @@ btr_page_free( dict_index_t* index, /*!< in: index tree */ buf_block_t* block, /*!< in: block to be freed, x-latched */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Frees a file page used in an index tree. Can be used also to BLOB external storage pages, because the page level 0 can be given as an argument. */ @@ -457,14 +468,14 @@ btr_page_free_low( ulint level, /*!< in: page level */ mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_BTR_PRINT -/***************************************************************** +/*************************************************************//** Prints size info of a B-tree. */ UNIV_INTERN void btr_print_size( /*===========*/ dict_index_t* index); /*!< in: index tree */ -/****************************************************************** +/**************************************************************//** Prints directories and other info of all nodes in the index. */ UNIV_INTERN void @@ -474,7 +485,7 @@ btr_print_index( ulint width); /*!< in: print this many entries from start and end */ #endif /* UNIV_BTR_PRINT */ -/**************************************************************** +/************************************************************//** Checks the size and number of fields in a record based on the definition of the index. @return TRUE if ok */ @@ -487,7 +498,7 @@ btr_index_rec_validate( ibool dump_on_error); /*!< in: TRUE if the function should print hex dump of record and page on error */ -/****************************************************************** +/**************************************************************//** Checks the consistency of an index tree. @return TRUE if ok */ UNIV_INTERN diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 69de61ac514..2259d22c9a6 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0btr.ic The B-tree Created 6/2/1994 Heikki Tuuri @@ -28,9 +29,13 @@ Created 6/2/1994 Heikki Tuuri #include "mtr0log.h" #include "page0zip.h" -#define BTR_MAX_NODE_LEVEL 50 /* used in debug checking */ +#define BTR_MAX_NODE_LEVEL 50 /*!< Maximum B-tree page level + (not really a hard limit). + Used in debug assertions + in btr_page_set_level and + btr_page_get_level_low */ -/****************************************************************** +/**************************************************************//** Gets a buffer page and declares its latching order level. */ UNIV_INLINE buf_block_t* @@ -55,7 +60,7 @@ btr_block_get( return(block); } -/****************************************************************** +/**************************************************************//** Gets a buffer page and declares its latching order level. */ UNIV_INLINE page_t* @@ -72,7 +77,7 @@ btr_page_get( mode, mtr))); } -/****************************************************************** +/**************************************************************//** Sets the index id field of a page. */ UNIV_INLINE void @@ -96,7 +101,7 @@ btr_page_set_index_id( } #endif /* !UNIV_HOTBACKUP */ -/****************************************************************** +/**************************************************************//** Gets the index id field of a page. @return index id */ UNIV_INLINE @@ -109,7 +114,7 @@ btr_page_get_index_id( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Gets the node level field in an index page. @return level, leaf level == 0 */ UNIV_INLINE @@ -129,7 +134,7 @@ btr_page_get_level_low( return(level); } -/************************************************************ +/********************************************************//** Gets the node level field in an index page. @return level, leaf level == 0 */ UNIV_INLINE @@ -145,7 +150,7 @@ btr_page_get_level( return(btr_page_get_level_low(page)); } -/************************************************************ +/********************************************************//** Sets the node level field in an index page. */ UNIV_INLINE void @@ -171,7 +176,7 @@ btr_page_set_level( } } -/************************************************************ +/********************************************************//** Gets the next index page number. @return next page number */ UNIV_INLINE @@ -189,7 +194,7 @@ btr_page_get_next( return(mach_read_from_4(page + FIL_PAGE_NEXT)); } -/************************************************************ +/********************************************************//** Sets the next index page field. */ UNIV_INLINE void @@ -211,7 +216,7 @@ btr_page_set_next( } } -/************************************************************ +/********************************************************//** Gets the previous index page number. @return prev page number */ UNIV_INLINE @@ -226,7 +231,7 @@ btr_page_get_prev( return(mach_read_from_4(page + FIL_PAGE_PREV)); } -/************************************************************ +/********************************************************//** Sets the previous index page field. */ UNIV_INLINE void @@ -248,7 +253,7 @@ btr_page_set_prev( } } -/****************************************************************** +/**************************************************************//** Gets the child node file address in a node pointer. @return child node address */ UNIV_INLINE @@ -283,7 +288,7 @@ btr_node_ptr_get_child_page_no( return(page_no); } -/****************************************************************** +/**************************************************************//** Releases the latches on a leaf page and bufferunfixes it. */ UNIV_INLINE void diff --git a/include/btr0cur.h b/include/btr0cur.h index c4ff142fadd..a7984005ba3 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0cur.h The index tree cursor Created 10/16/1994 Heikki Tuuri @@ -45,7 +46,7 @@ Created 10/16/1994 Heikki Tuuri #define BTR_CUR_HASH_ADAPT #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Returns the page cursor component of a tree cursor. @return pointer to page cursor component */ UNIV_INLINE @@ -56,7 +57,7 @@ btr_cur_get_page_cur( #else /* UNIV_DEBUG */ # define btr_cur_get_page_cur(cursor) (&(cursor)->page_cur) #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Returns the buffer block on which the tree cursor is positioned. @return pointer to buffer block */ UNIV_INLINE @@ -64,7 +65,7 @@ buf_block_t* btr_cur_get_block( /*==============*/ btr_cur_t* cursor);/*!< in: tree cursor */ -/************************************************************* +/*********************************************************//** Returns the record pointer of a tree cursor. @return pointer to record */ UNIV_INLINE @@ -72,7 +73,7 @@ rec_t* btr_cur_get_rec( /*============*/ btr_cur_t* cursor);/*!< in: tree cursor */ -/************************************************************* +/*********************************************************//** Returns the compressed page on which the tree cursor is positioned. @return pointer to compressed page, or NULL if the page is not compressed */ UNIV_INLINE @@ -80,14 +81,14 @@ page_zip_des_t* btr_cur_get_page_zip( /*=================*/ btr_cur_t* cursor);/*!< in: tree cursor */ -/************************************************************* +/*********************************************************//** Invalidates a tree cursor by setting record pointer to NULL. */ UNIV_INLINE void btr_cur_invalidate( /*===============*/ btr_cur_t* cursor);/*!< in: tree cursor */ -/************************************************************* +/*********************************************************//** Returns the page of a tree cursor. @return pointer to page */ UNIV_INLINE @@ -95,7 +96,7 @@ page_t* btr_cur_get_page( /*=============*/ btr_cur_t* cursor);/*!< in: tree cursor */ -/************************************************************* +/*********************************************************//** Returns the index of a cursor. @return index */ UNIV_INLINE @@ -103,7 +104,7 @@ dict_index_t* btr_cur_get_index( /*==============*/ btr_cur_t* cursor);/*!< in: B-tree cursor */ -/************************************************************* +/*********************************************************//** Positions a tree cursor at a given record. */ UNIV_INLINE void @@ -113,7 +114,7 @@ btr_cur_position( rec_t* rec, /*!< in: record in tree */ buf_block_t* block, /*!< in: buffer block of rec */ btr_cur_t* cursor);/*!< in: cursor */ -/************************************************************************ +/********************************************************************//** Searches an index tree and positions a tree cursor on a given level. NOTE: n_fields_cmp in tuple must be set so that it cannot be compared to node pointer page number fields on the upper levels of the tree! @@ -152,7 +153,7 @@ btr_cur_search_to_nth_level( currently has on btr_search_latch: RW_S_LATCH, or 0 */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Opens a cursor at either end of an index. */ UNIV_INTERN void @@ -164,7 +165,7 @@ btr_cur_open_at_index_side( ulint latch_mode, /*!< in: latch mode */ btr_cur_t* cursor, /*!< in: cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INTERN void @@ -174,7 +175,7 @@ btr_cur_open_at_rnd_pos( ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_cur_t* cursor, /*!< in/out: B-tree cursor */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Tries to perform an insert to a page in an index tree, next to cursor. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page. If there is just @@ -203,7 +204,7 @@ btr_cur_optimistic_insert( index in a compressed tablespace, the mtr must be committed before latching any further pages */ -/***************************************************************** +/*************************************************************//** Performs an insert on a page of an index tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the insert is made on the leaf level, to avoid deadlocks, mtr must also own x-latches @@ -230,7 +231,7 @@ btr_cur_pessimistic_insert( ulint n_ext, /*!< in: number of externally stored columns */ que_thr_t* thr, /*!< in: query thread or NULL */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Updates a record when the update causes no size changes in its fields. @return DB_SUCCESS or error number */ UNIV_INTERN @@ -247,12 +248,14 @@ btr_cur_update_in_place( que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ -/***************************************************************** +/*************************************************************//** Tries to update a record on a page in an index tree. It is assumed that mtr holds an x-latch on the page. The operation does not succeed if there is too little space on the page or if the update would result in too empty a page, so that tree compression is recommended. -@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if there is not enough space left on the compressed page */ +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, +DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if +there is not enough space left on the compressed page */ UNIV_INTERN ulint btr_cur_optimistic_update( @@ -268,7 +271,7 @@ btr_cur_optimistic_update( que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ -/***************************************************************** +/*************************************************************//** Performs an update of a record on a page of a tree. It is assumed that mtr holds an x-latch on the tree and on the cursor page. If the update is made on the leaf level, to avoid deadlocks, mtr must also @@ -292,7 +295,7 @@ btr_cur_pessimistic_update( que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in: mtr; must be committed before latching any further pages */ -/*************************************************************** +/***********************************************************//** Marks a clustered index record deleted. Writes an undo log record to undo log on this delete marking. Writes in the trx id field the id of the deleting transaction, and in the roll ptr field pointer to the @@ -307,7 +310,7 @@ btr_cur_del_mark_set_clust_rec( ibool val, /*!< in: value to set */ que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in: mtr */ -/*************************************************************** +/***********************************************************//** Sets a secondary index record delete mark to TRUE or FALSE. @return DB_SUCCESS, DB_LOCK_WAIT, or error number */ UNIV_INTERN @@ -319,7 +322,7 @@ btr_cur_del_mark_set_sec_rec( ibool val, /*!< in: value to set */ que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Tries to compress a page of the tree if it seems useful. It is assumed that mtr holds an x-latch on the tree and on the cursor page. To avoid deadlocks, mtr must also own x-latches to brothers of page, if those @@ -334,7 +337,7 @@ btr_cur_compress_if_useful( cursor does not stay valid if compression occurs */ mtr_t* mtr); /*!< in: mtr */ -/*********************************************************** +/*******************************************************//** Removes the record on which the tree cursor is positioned. It is assumed that the mtr has an x-latch on the page where the cursor is positioned, but no latch on the whole tree. @@ -351,7 +354,7 @@ btr_cur_optimistic_delete( TRUE on a leaf page of a secondary index, the mtr must be committed before latching any further pages */ -/***************************************************************** +/*************************************************************//** Removes the record on which the tree cursor is positioned. Tries to compress the page if its fillfactor drops below a threshold or if it is the only page on the level. It is assumed that mtr holds @@ -379,7 +382,7 @@ btr_cur_pessimistic_delete( enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of updating a record in-place. @return end of log record or NULL */ UNIV_INTERN @@ -391,7 +394,7 @@ btr_cur_parse_update_in_place( page_t* page, /*!< in/out: page or NULL */ page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ dict_index_t* index); /*!< in: index corresponding to page */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for delete marking or unmarking of a clustered index record. @return end of log record or NULL */ @@ -404,7 +407,7 @@ btr_cur_parse_del_mark_set_clust_rec( page_t* page, /*!< in/out: page or NULL */ page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ dict_index_t* index); /*!< in: index corresponding to page */ -/******************************************************************** +/****************************************************************//** Parses the redo log record for delete marking or unmarking of a secondary index record. @return end of log record or NULL */ @@ -417,7 +420,7 @@ btr_cur_parse_del_mark_set_sec_rec( page_t* page, /*!< in/out: page or NULL */ page_zip_des_t* page_zip);/*!< in/out: compressed page, or NULL */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Estimates the number of rows in a given index range. @return estimated number of rows */ UNIV_INTERN @@ -429,7 +432,7 @@ btr_estimate_n_rows_in_range( ulint mode1, /*!< in: search mode for range start */ const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ ulint mode2); /*!< in: search mode for range end */ -/*********************************************************************** +/*******************************************************************//** Estimates the number of different key values in a given index, for each n-column prefix of the index where n <= dict_index_get_n_unique(index). The estimates are stored in the array index->stat_n_diff_key_vals. */ @@ -438,7 +441,7 @@ void btr_estimate_number_of_different_key_vals( /*======================================*/ dict_index_t* index); /*!< in: index */ -/*********************************************************************** +/*******************************************************************//** Marks not updated extern fields as not-owned by this record. The ownership is transferred to the updated record which is inserted elsewhere in the index tree. In purge only the owner of externally stored field is allowed @@ -454,7 +457,7 @@ btr_cur_mark_extern_inherited_fields( const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ const upd_t* update, /*!< in: update vector */ mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ -/*********************************************************************** +/*******************************************************************//** The complement of the previous function: in an update entry may inherit some externally stored fields from a record. We must mark them as inherited in entry, so that they are not freed in a rollback. */ @@ -465,14 +468,14 @@ btr_cur_mark_dtuple_inherited_extern( dtuple_t* entry, /*!< in/out: updated entry to be inserted to clustered index */ const upd_t* update); /*!< in: update vector */ -/*********************************************************************** +/*******************************************************************//** Marks all extern fields in a dtuple as owned by the record. */ UNIV_INTERN void btr_cur_unmark_dtuple_extern_fields( /*================================*/ dtuple_t* entry); /*!< in/out: clustered index entry */ -/*********************************************************************** +/*******************************************************************//** Stores the fields in big_rec_vec to the tablespace and puts pointers to them in rec. The extern flags in rec will have to be set beforehand. The fields are stored on pages allocated from leaf node @@ -494,7 +497,7 @@ btr_store_big_rec_extern_fields( to be stored externally */ mtr_t* local_mtr); /*!< in: mtr containing the latch to rec and to the tree */ -/*********************************************************************** +/*******************************************************************//** Frees the space in an externally stored field to the file space management if the field in data is owned the externally stored field, in a rollback we may have the additional condition that the field must @@ -524,10 +527,11 @@ btr_free_externally_stored_field( mtr_t* local_mtr); /*!< in: mtr containing the latch to data an an X-latch to the index tree */ -/*********************************************************************** +/*******************************************************************//** Copies the prefix of an externally stored field of a record. The clustered index record must be protected by a lock or a page latch. -@return the length of the copied field, or 0 if the column is being or has been deleted */ +@return the length of the copied field, or 0 if the column was being +or has been deleted */ UNIV_INTERN ulint btr_copy_externally_stored_field_prefix( @@ -541,7 +545,7 @@ btr_copy_externally_stored_field_prefix( the external part; must be protected by a lock or a page latch */ ulint local_len);/*!< in: length of data, in bytes */ -/*********************************************************************** +/*******************************************************************//** Copies an externally stored field of a record to mem heap. @return the field copied to heap */ UNIV_INTERN @@ -556,7 +560,7 @@ btr_rec_copy_externally_stored_field( ulint no, /*!< in: field number */ ulint* len, /*!< out: length of the field */ mem_heap_t* heap); /*!< in: mem heap */ -/*********************************************************************** +/*******************************************************************//** Flags the data tuple fields that are marked as extern storage in the update vector. We use this function to remember which fields we must mark as extern storage in a record inserted for an update. @@ -569,7 +573,7 @@ btr_push_update_extern_fields( const upd_t* update, /*!< in: update vector */ mem_heap_t* heap) /*!< in: memory heap */ __attribute__((nonnull)); -/*************************************************************** +/***********************************************************//** Sets a secondary index record's delete mark to the given value. This function is only used by the insert buffer merge mechanism. */ UNIV_INTERN @@ -585,58 +589,77 @@ btr_cur_set_deleted_flag_for_ibuf( mtr_t* mtr); /*!< in: mtr */ /*######################################################################*/ -/* In the pessimistic delete, if the page data size drops below this +/** In the pessimistic delete, if the page data size drops below this limit, merging it to a neighbor is tried */ - #define BTR_CUR_PAGE_COMPRESS_LIMIT (UNIV_PAGE_SIZE / 2) -/* A slot in the path array. We store here info on a search path down the +/** A slot in the path array. We store here info on a search path down the tree. Each slot contains data on a single level of the tree. */ typedef struct btr_path_struct btr_path_t; struct btr_path_struct{ - ulint nth_rec; /* index of the record + ulint nth_rec; /*!< index of the record where the page cursor stopped on this level (index in alphabetical order); value ULINT_UNDEFINED denotes array end */ - ulint n_recs; /* number of records on the page */ + ulint n_recs; /*!< number of records on the page */ }; -#define BTR_PATH_ARRAY_N_SLOTS 250 /* size of path array (in slots) */ +#define BTR_PATH_ARRAY_N_SLOTS 250 /*!< size of path array (in slots) */ -/* The tree cursor: the definition appears here only for the compiler +/** Values for the flag documenting the used search method */ +enum btr_cur_method { + BTR_CUR_HASH = 1, /*!< successful shortcut using + the hash index */ + BTR_CUR_HASH_FAIL, /*!< failure using hash, success using + binary search: the misleading hash + reference is stored in the field + hash_node, and might be necessary to + update */ + BTR_CUR_BINARY, /*!< success using the binary search */ + BTR_CUR_INSERT_TO_IBUF, /*!< performed the intended insert to + the insert buffer */ + BTR_CUR_DEL_MARK_IBUF, /*!< performed the intended delete + mark in the insert/delete buffer */ + BTR_CUR_DELETE_IBUF, /*!< performed the intended delete in + the insert/delete buffer */ + BTR_CUR_DELETE_REF, /*!< row_purge_poss_sec() failed */ + BTR_CUR_DELETE_FAILED /*!< an optimistic delete could not be + performed */ +}; + +/** The tree cursor: the definition appears here only for the compiler to know struct size! */ - struct btr_cur_struct { - dict_index_t* index; /* index where positioned */ - page_cur_t page_cur; /* page cursor */ - purge_node_t* purge_node; /* purge node, for BTR_DELETE */ - buf_block_t* left_block; /* this field is used to store + dict_index_t* index; /*!< index where positioned */ + page_cur_t page_cur; /*!< page cursor */ + purge_node_t* purge_node; /*!< purge node, for BTR_DELETE */ + buf_block_t* left_block; /*!< this field is used to store a pointer to the left neighbor page, in the cases BTR_SEARCH_PREV and BTR_MODIFY_PREV */ /*------------------------------*/ - que_thr_t* thr; /* this field is only used when - btr_cur_search_... is called for an - index entry insertion: the calling - query thread is passed here to be + que_thr_t* thr; /*!< this field is only used + when btr_cur_search_to_nth_level + is called for an index entry + insertion: the calling query + thread is passed here to be used in the insert buffer */ /*------------------------------*/ - /* The following fields are used in btr_cur_search... to pass - information: */ - ulint flag; /* BTR_CUR_HASH, BTR_CUR_HASH_FAIL, - BTR_CUR_BINARY, or - BTR_CUR_INSERT_TO_IBUF */ - ulint tree_height; /* Tree height if the search is done + /** The following fields are used in + btr_cur_search_to_nth_level to pass information: */ + /* @{ */ + enum btr_cur_method flag; /*!< Search method used */ + ulint tree_height; /*!< Tree height if the search is done for a pessimistic insert or update operation */ - ulint up_match; /* If the search mode was PAGE_CUR_LE, + ulint up_match; /*!< If the search mode was PAGE_CUR_LE, the number of matched fields to the the first user record to the right of the cursor record after - btr_cur_search_...; + btr_cur_search_to_nth_level; for the mode PAGE_CUR_GE, the matched fields to the first user record AT THE CURSOR or to the right of it; @@ -646,27 +669,27 @@ struct btr_cur_struct { record if that record is on a different leaf page! (See the note in row_ins_duplicate_key.) */ - ulint up_bytes; /* number of matched bytes to the + ulint up_bytes; /*!< number of matched bytes to the right at the time cursor positioned; only used internally in searches: not defined after the search */ - ulint low_match; /* if search mode was PAGE_CUR_LE, + ulint low_match; /*!< if search mode was PAGE_CUR_LE, the number of matched fields to the first user record AT THE CURSOR or to the left of it after - btr_cur_search_...; + btr_cur_search_to_nth_level; NOT defined for PAGE_CUR_GE or any other search modes; see also the NOTE in up_match! */ - ulint low_bytes; /* number of matched bytes to the + ulint low_bytes; /*!< number of matched bytes to the right at the time cursor positioned; only used internally in searches: not defined after the search */ - ulint n_fields; /* prefix length used in a hash + ulint n_fields; /*!< prefix length used in a hash search if hash_node != NULL */ - ulint n_bytes; /* hash prefix bytes if hash_node != + ulint n_bytes; /*!< hash prefix bytes if hash_node != NULL */ - ulint fold; /* fold value used in the search if + ulint fold; /*!< fold value used in the search if flag is BTR_CUR_HASH */ /*----- Delete buffering -------*/ ulint ibuf_cnt; /* in searches done on insert buffer @@ -686,70 +709,65 @@ struct btr_cur_struct { record' flag set), this is ULINT_UNDEFINED. */ /*------------------------------*/ - btr_path_t* path_arr; /* in estimating the number of + /* @} */ + btr_path_t* path_arr; /*!< in estimating the number of rows in range, we store in this array information of the path through the tree */ }; -/* Values for the flag documenting the used search method */ -#define BTR_CUR_HASH 1 /* successful shortcut using the hash - index */ -#define BTR_CUR_HASH_FAIL 2 /* failure using hash, success using - binary search: the misleading hash - reference is stored in the field - hash_node, and might be necessary to - update */ -#define BTR_CUR_BINARY 3 /* success using the binary search */ -#define BTR_CUR_INSERT_TO_IBUF 4 /* performed the intended insert to - the insert buffer */ -#define BTR_CUR_DEL_MARK_IBUF 5 /* performed the intended delete - mark in the insert/delete buffer */ -#define BTR_CUR_DELETE_IBUF 6 /* performed the intended delete in - the insert/delete buffer */ -#define BTR_CUR_DELETE_REF 7 /* row_purge_poss_sec() failed */ -#define BTR_CUR_DELETE_FAILED 8 /* an optimistic delete could not - be performed */ - -/* If pessimistic delete fails because of lack of file space, -there is still a good change of success a little later: try this many times, -and sleep this many microseconds in between */ +/** If pessimistic delete fails because of lack of file space, there +is still a good change of success a little later. Try this many +times. */ #define BTR_CUR_RETRY_DELETE_N_TIMES 100 +/** If pessimistic delete fails because of lack of file space, there +is still a good change of success a little later. Sleep this many +microseconds between retries. */ #define BTR_CUR_RETRY_SLEEP_TIME 50000 -/* The reference in a field for which data is stored on a different page. +/** The reference in a field for which data is stored on a different page. The reference is at the end of the 'locally' stored part of the field. 'Locally' means storage in the index record. We store locally a long enough prefix of each column so that we can determine the ordering parts of each index record without looking into the externally stored part. */ - -/*--------------------------------------*/ -#define BTR_EXTERN_SPACE_ID 0 /* space id where stored */ -#define BTR_EXTERN_PAGE_NO 4 /* page no where stored */ -#define BTR_EXTERN_OFFSET 8 /* offset of BLOB header +/*-------------------------------------- @{ */ +#define BTR_EXTERN_SPACE_ID 0 /*!< space id where stored */ +#define BTR_EXTERN_PAGE_NO 4 /*!< page no where stored */ +#define BTR_EXTERN_OFFSET 8 /*!< offset of BLOB header on that page */ -#define BTR_EXTERN_LEN 12 /* 8 bytes containing the +#define BTR_EXTERN_LEN 12 /*!< 8 bytes containing the length of the externally stored part of the BLOB. The 2 highest bits are reserved to the flags below. */ -/*--------------------------------------*/ +/*-------------------------------------- @} */ /* #define BTR_EXTERN_FIELD_REF_SIZE 20 // moved to btr0types.h */ -/* The highest bit of BTR_EXTERN_LEN (i.e., the highest bit of the byte -at lowest address) is set to 1 if this field does not 'own' the externally -stored field; only the owner field is allowed to free the field in purge! -If the 2nd highest bit is 1 then it means that the externally stored field -was inherited from an earlier version of the row. In rollback we are not -allowed to free an inherited external field. */ - +/** The most significant bit of BTR_EXTERN_LEN (i.e., the most +significant bit of the byte at smallest address) is set to 1 if this +field does not 'own' the externally stored field; only the owner field +is allowed to free the field in purge! */ #define BTR_EXTERN_OWNER_FLAG 128 +/** If the second most significant bit of BTR_EXTERN_LEN (i.e., the +second most significant bit of the byte at smallest address) is 1 then +it means that the externally stored field was inherited from an +earlier version of the row. In rollback we are not allowed to free an +inherited external field. */ #define BTR_EXTERN_INHERITED_FLAG 64 +/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ extern ulint btr_cur_n_non_sea; +/** Number of successful adaptive hash index lookups in +btr_cur_search_to_nth_level(). */ extern ulint btr_cur_n_sea; +/** Old value of btr_cur_n_non_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ extern ulint btr_cur_n_non_sea_old; +/** Old value of btr_cur_n_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ extern ulint btr_cur_n_sea_old; #endif /* !UNIV_HOTBACKUP */ diff --git a/include/btr0cur.ic b/include/btr0cur.ic index e2102adb78f..280583f6ccf 100644 --- a/include/btr0cur.ic +++ b/include/btr0cur.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0cur.ic The index tree cursor Created 10/16/1994 Heikki Tuuri @@ -26,7 +27,7 @@ Created 10/16/1994 Heikki Tuuri #include "btr0btr.h" #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Returns the page cursor component of a tree cursor. @return pointer to page cursor component */ UNIV_INLINE @@ -38,7 +39,7 @@ btr_cur_get_page_cur( return(&((btr_cur_t*) cursor)->page_cur); } #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Returns the buffer block on which the tree cursor is positioned. @return pointer to buffer block */ UNIV_INLINE @@ -50,7 +51,7 @@ btr_cur_get_block( return(page_cur_get_block(btr_cur_get_page_cur(cursor))); } -/************************************************************* +/*********************************************************//** Returns the record pointer of a tree cursor. @return pointer to record */ UNIV_INLINE @@ -62,7 +63,7 @@ btr_cur_get_rec( return(page_cur_get_rec(&(cursor->page_cur))); } -/************************************************************* +/*********************************************************//** Returns the compressed page on which the tree cursor is positioned. @return pointer to compressed page, or NULL if the page is not compressed */ UNIV_INLINE @@ -74,7 +75,7 @@ btr_cur_get_page_zip( return(buf_block_get_page_zip(btr_cur_get_block(cursor))); } -/************************************************************* +/*********************************************************//** Invalidates a tree cursor by setting record pointer to NULL. */ UNIV_INLINE void @@ -85,7 +86,7 @@ btr_cur_invalidate( page_cur_invalidate(&(cursor->page_cur)); } -/************************************************************* +/*********************************************************//** Returns the page of a tree cursor. @return pointer to page */ UNIV_INLINE @@ -97,7 +98,7 @@ btr_cur_get_page( return(page_align(page_cur_get_rec(&(cursor->page_cur)))); } -/************************************************************* +/*********************************************************//** Returns the index of a cursor. @return index */ UNIV_INLINE @@ -109,7 +110,7 @@ btr_cur_get_index( return(cursor->index); } -/************************************************************* +/*********************************************************//** Positions a tree cursor at a given record. */ UNIV_INLINE void @@ -127,7 +128,7 @@ btr_cur_position( cursor->index = index; } -/************************************************************************* +/*********************************************************************//** Checks if compressing an index page where a btr cursor is placed makes sense. @return TRUE if compression is recommended */ @@ -161,7 +162,7 @@ btr_cur_compress_recommendation( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Checks if the record on which the cursor is placed can be deleted without making tree compression necessary (or, recommended). @return TRUE if can be deleted without recommended compression */ diff --git a/include/btr0pcur.h b/include/btr0pcur.h index 2b2be5bfd63..12b1375d8b7 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0pcur.h The index tree persistent cursor Created 2/23/1996 Heikki Tuuri @@ -45,21 +46,21 @@ of a scroll cursor easier */ #define BTR_PCUR_BEFORE_FIRST_IN_TREE 4 /* in an empty tree */ #define BTR_PCUR_AFTER_LAST_IN_TREE 5 /* in an empty tree */ -/****************************************************************** +/**************************************************************//** Allocates memory for a persistent cursor object and initializes the cursor. @return own: persistent cursor */ UNIV_INTERN btr_pcur_t* btr_pcur_create_for_mysql(void); /*============================*/ -/****************************************************************** +/**************************************************************//** Frees the memory for a persistent cursor object. */ UNIV_INTERN void btr_pcur_free_for_mysql( /*====================*/ btr_pcur_t* cursor); /*!< in, own: persistent cursor */ -/****************************************************************** +/**************************************************************//** Copies the stored position of a pcur to another pcur. */ UNIV_INTERN void @@ -69,14 +70,14 @@ btr_pcur_copy_stored_position( position info */ btr_pcur_t* pcur_donate); /*!< in: pcur from which the info is copied */ -/****************************************************************** +/**************************************************************//** Sets the old_rec_buf field to NULL. */ UNIV_INLINE void btr_pcur_init( /*==========*/ btr_pcur_t* pcur); /*!< in: persistent cursor */ -/****************************************************************** +/**************************************************************//** Initializes and opens a persistent cursor to an index tree. It should be closed with btr_pcur_close. */ UNIV_INLINE @@ -94,7 +95,7 @@ btr_pcur_open( ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE @@ -119,7 +120,7 @@ btr_pcur_open_with_no_init( currently has on btr_search_latch: RW_S_LATCH, or 0 */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Opens a persistent cursor at either end of an index. */ UNIV_INLINE void @@ -132,23 +133,25 @@ btr_pcur_open_at_index_side( btr_pcur_t* pcur, /*!< in: cursor */ ibool do_init, /*!< in: TRUE if should be initialized */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Gets the up_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_GE, otherwise undefined */ +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_GE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_up_match( /*==================*/ btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ -/****************************************************************** +/**************************************************************//** Gets the low_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_LE, otherwise undefined */ +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_LE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_low_match( /*===================*/ btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ -/****************************************************************** +/**************************************************************//** If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first user record satisfying the search condition, in the case PAGE_CUR_L or PAGE_CUR_LE, on the last user record. If no such user record exists, then @@ -167,7 +170,7 @@ btr_pcur_open_on_user_rec( btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INLINE void @@ -177,7 +180,7 @@ btr_pcur_open_at_rnd_pos( ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Frees the possible old_rec_buf buffer of a persistent cursor and sets the latch mode of the persistent cursor to BTR_NO_LATCHES. */ UNIV_INLINE @@ -185,7 +188,7 @@ void btr_pcur_close( /*===========*/ btr_pcur_t* cursor); /*!< in: persistent cursor */ -/****************************************************************** +/**************************************************************//** The position of the cursor is stored by taking an initial segment of the record the cursor is positioned on, before, or after, and copying it to the cursor data structure, or just setting a flag if the cursor id before the @@ -198,7 +201,7 @@ btr_pcur_store_position( /*====================*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** Restores the stored position of a persistent cursor bufferfixing the page and obtaining the specified latches. If the cursor position was saved when the (1) cursor was positioned on a user record: this function restores the position @@ -210,7 +213,9 @@ infimum; GREATER than the user record which was the predecessor of the supremum. (4) cursor was positioned before the first or after the last in an empty tree: restores to before first or after the last in the tree. -@return TRUE if the cursor position was stored when it was on a user record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ +@return TRUE if the cursor position was stored when it was on a user +record and it can be restored on a user record whose ordering fields +are identical to the ones of the original user record */ UNIV_INTERN ibool btr_pcur_restore_position( @@ -218,7 +223,7 @@ btr_pcur_restore_position( ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: detached persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************** +/**************************************************************//** If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, releases the page latch and bufferfix reserved by the cursor. NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes @@ -230,7 +235,7 @@ btr_pcur_release_leaf( /*==================*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Gets the rel_pos field for a cursor whose position has been stored. @return BTR_PCUR_ON, ... */ UNIV_INLINE @@ -238,7 +243,7 @@ ulint btr_pcur_get_rel_pos( /*=================*/ const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Sets the mtr field for a pcur. */ UNIV_INLINE void @@ -246,7 +251,7 @@ btr_pcur_set_mtr( /*=============*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in, own: mtr */ -/************************************************************* +/*********************************************************//** Gets the mtr field for a pcur. @return mtr */ UNIV_INLINE @@ -254,7 +259,7 @@ mtr_t* btr_pcur_get_mtr( /*=============*/ btr_pcur_t* cursor); /*!< in: persistent cursor */ -/****************************************************************** +/**************************************************************//** Commits the pcur mtr and sets the pcur latch mode to BTR_NO_LATCHES, that is, the cursor becomes detached. If there have been modifications to the page where pcur is positioned, this can be used instead of @@ -265,7 +270,7 @@ void btr_pcur_commit( /*============*/ btr_pcur_t* pcur); /*!< in: persistent cursor */ -/****************************************************************** +/**************************************************************//** Differs from btr_pcur_commit in that we can specify the mtr to commit. */ UNIV_INLINE void @@ -273,7 +278,7 @@ btr_pcur_commit_specify_mtr( /*========================*/ btr_pcur_t* pcur, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr to commit */ -/****************************************************************** +/**************************************************************//** Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. @return TRUE if detached */ UNIV_INLINE @@ -281,7 +286,7 @@ ibool btr_pcur_is_detached( /*=================*/ btr_pcur_t* pcur); /*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next record in the tree. If no records are left, the cursor stays 'after last in tree'. @return TRUE if the cursor was not after last in tree */ @@ -292,7 +297,7 @@ btr_pcur_move_to_next( btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the previous record in the tree. If no records are left, the cursor stays 'before first in tree'. @return TRUE if the cursor was not before first in tree */ @@ -303,7 +308,7 @@ btr_pcur_move_to_prev( btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the last record on the same page. */ UNIV_INLINE void @@ -311,7 +316,7 @@ btr_pcur_move_to_last_on_page( /*==========================*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next user record in the tree. If no user records are left, the cursor ends up 'after last in tree'. @return TRUE if the cursor moved forward, ending on a user record */ @@ -322,7 +327,7 @@ btr_pcur_move_to_next_user_rec( btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the function may release the page latch */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the first record on the next page. Releases the latch on the current page, and bufferunfixes it. Note that there must not be modifications on the current page, @@ -334,7 +339,7 @@ btr_pcur_move_to_next_page( btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the last record of the current page */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor backward if it is on the first record of the page. Releases the latch on the current page, and bufferunfixes it. Note that to prevent a possible deadlock, the operation first @@ -352,7 +357,7 @@ btr_pcur_move_backward_from_page( first record of the current page */ mtr_t* mtr); /*!< in: mtr */ #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Returns the btr cursor component of a persistent cursor. @return pointer to btr cursor component */ UNIV_INLINE @@ -360,7 +365,7 @@ btr_cur_t* btr_pcur_get_btr_cur( /*=================*/ const btr_pcur_t* cursor); /*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Returns the page cursor component of a persistent cursor. @return pointer to page cursor component */ UNIV_INLINE @@ -372,7 +377,7 @@ btr_pcur_get_page_cur( # define btr_pcur_get_btr_cur(cursor) (&(cursor)->btr_cur) # define btr_pcur_get_page_cur(cursor) (&(cursor)->btr_cur.page_cur) #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Returns the page of a persistent cursor. @return pointer to the page */ UNIV_INLINE @@ -380,7 +385,7 @@ page_t* btr_pcur_get_page( /*==============*/ btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Returns the buffer block of a persistent cursor. @return pointer to the block */ UNIV_INLINE @@ -388,7 +393,7 @@ buf_block_t* btr_pcur_get_block( /*===============*/ btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Returns the record of a persistent cursor. @return pointer to the record */ UNIV_INLINE @@ -396,14 +401,14 @@ rec_t* btr_pcur_get_rec( /*=============*/ btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is on a user record. */ UNIV_INLINE ibool btr_pcur_is_on_user_rec( /*====================*/ const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is after the last user record on a page. */ UNIV_INLINE @@ -411,7 +416,7 @@ ibool btr_pcur_is_after_last_on_page( /*===========================*/ const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is before the first user record on a page. */ UNIV_INLINE @@ -419,7 +424,7 @@ ibool btr_pcur_is_before_first_on_page( /*=============================*/ const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is before the first user record in the index tree. */ UNIV_INLINE @@ -428,7 +433,7 @@ btr_pcur_is_before_first_in_tree( /*=============================*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is after the last user record in the index tree. */ UNIV_INLINE @@ -437,14 +442,14 @@ btr_pcur_is_after_last_in_tree( /*===========================*/ btr_pcur_t* cursor, /*!< in: persistent cursor */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next record on the same page. */ UNIV_INLINE void btr_pcur_move_to_next_on_page( /*==========================*/ btr_pcur_t* cursor);/*!< in/out: persistent cursor */ -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the previous record on the same page. */ UNIV_INLINE void @@ -457,8 +462,8 @@ btr_pcur_move_to_prev_on_page( selects, updates, and deletes. */ struct btr_pcur_struct{ - btr_cur_t btr_cur; /* a B-tree cursor */ - ulint latch_mode; /* see TODO note below! + btr_cur_t btr_cur; /*!< a B-tree cursor */ + ulint latch_mode; /*!< see TODO note below! BTR_SEARCH_LEAF, BTR_MODIFY_LEAF, BTR_MODIFY_TREE, or BTR_NO_LATCHES, depending on the latching state of @@ -469,28 +474,28 @@ struct btr_pcur_struct{ detached; it can be restored to attached if the old position was stored in old_rec */ - ulint old_stored; /* BTR_PCUR_OLD_STORED + ulint old_stored; /*!< BTR_PCUR_OLD_STORED or BTR_PCUR_OLD_NOT_STORED */ - rec_t* old_rec; /* if cursor position is stored, + rec_t* old_rec; /*!< if cursor position is stored, contains an initial segment of the latest record cursor was positioned either on, before, or after */ - ulint old_n_fields; /* number of fields in old_rec */ - ulint rel_pos; /* BTR_PCUR_ON, BTR_PCUR_BEFORE, or + ulint old_n_fields; /*!< number of fields in old_rec */ + ulint rel_pos; /*!< BTR_PCUR_ON, BTR_PCUR_BEFORE, or BTR_PCUR_AFTER, depending on whether cursor was on, before, or after the old_rec record */ buf_block_t* block_when_stored;/* buffer block when the position was stored */ - ib_uint64_t modify_clock; /* the modify clock value of the + ib_uint64_t modify_clock; /*!< the modify clock value of the buffer block when the cursor position was stored */ - ulint pos_state; /* see TODO note below! + ulint pos_state; /*!< see TODO note below! BTR_PCUR_IS_POSITIONED, BTR_PCUR_WAS_POSITIONED, BTR_PCUR_NOT_POSITIONED */ - ulint search_mode; /* PAGE_CUR_G, ... */ - trx_t* trx_if_known; /* the transaction, if we know it; + ulint search_mode; /*!< PAGE_CUR_G, ... */ + trx_t* trx_if_known; /*!< the transaction, if we know it; otherwise this field is not defined; can ONLY BE USED in error prints in fatal assertion failures! */ @@ -498,12 +503,12 @@ struct btr_pcur_struct{ /* NOTE that the following fields may possess dynamically allocated memory which should be freed if not needed anymore! */ - mtr_t* mtr; /* NULL, or this field may contain + mtr_t* mtr; /*!< NULL, or this field may contain a mini-transaction which holds the latch on the cursor page */ - byte* old_rec_buf; /* NULL, or a dynamically allocated + byte* old_rec_buf; /*!< NULL, or a dynamically allocated buffer for old_rec */ - ulint buf_size; /* old_rec_buf size if old_rec_buf + ulint buf_size; /*!< old_rec_buf size if old_rec_buf is not NULL */ }; diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index ee23597596a..0ca7223f861 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -16,14 +16,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/btr0pcur.ic The index tree persistent cursor Created 2/23/1996 Heikki Tuuri *******************************************************/ -/************************************************************* +/*********************************************************//** Gets the rel_pos field for a cursor whose position has been stored. @return BTR_PCUR_ON, ... */ UNIV_INLINE @@ -41,7 +42,7 @@ btr_pcur_get_rel_pos( return(cursor->rel_pos); } -/************************************************************* +/*********************************************************//** Sets the mtr field for a pcur. */ UNIV_INLINE void @@ -55,7 +56,7 @@ btr_pcur_set_mtr( cursor->mtr = mtr; } -/************************************************************* +/*********************************************************//** Gets the mtr field for a pcur. @return mtr */ UNIV_INLINE @@ -70,7 +71,7 @@ btr_pcur_get_mtr( } #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Returns the btr cursor component of a persistent cursor. @return pointer to btr cursor component */ UNIV_INLINE @@ -83,7 +84,7 @@ btr_pcur_get_btr_cur( return((btr_cur_t*) btr_cur); } -/************************************************************* +/*********************************************************//** Returns the page cursor component of a persistent cursor. @return pointer to page cursor component */ UNIV_INLINE @@ -95,7 +96,7 @@ btr_pcur_get_page_cur( return(btr_cur_get_page_cur(btr_pcur_get_btr_cur(cursor))); } #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Returns the page of a persistent cursor. @return pointer to the page */ UNIV_INLINE @@ -109,7 +110,7 @@ btr_pcur_get_page( return(btr_cur_get_page(btr_pcur_get_btr_cur(cursor))); } -/************************************************************* +/*********************************************************//** Returns the buffer block of a persistent cursor. @return pointer to the block */ UNIV_INLINE @@ -123,7 +124,7 @@ btr_pcur_get_block( return(btr_cur_get_block(btr_pcur_get_btr_cur(cursor))); } -/************************************************************* +/*********************************************************//** Returns the record of a persistent cursor. @return pointer to the record */ UNIV_INLINE @@ -138,9 +139,10 @@ btr_pcur_get_rec( return(btr_cur_get_rec(btr_pcur_get_btr_cur(cursor))); } -/****************************************************************** +/**************************************************************//** Gets the up_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_GE, otherwise undefined */ +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_GE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_up_match( @@ -159,9 +161,10 @@ btr_pcur_get_up_match( return(btr_cursor->up_match); } -/****************************************************************** +/**************************************************************//** Gets the low_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if search mode was PAGE_CUR_LE, otherwise undefined */ +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_LE, otherwise undefined */ UNIV_INLINE ulint btr_pcur_get_low_match( @@ -179,7 +182,7 @@ btr_pcur_get_low_match( return(btr_cursor->low_match); } -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is after the last user record on a page. */ UNIV_INLINE @@ -194,7 +197,7 @@ btr_pcur_is_after_last_on_page( return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); } -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is before the first user record on a page. */ UNIV_INLINE @@ -209,7 +212,7 @@ btr_pcur_is_before_first_on_page( return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); } -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is on a user record. */ UNIV_INLINE ibool @@ -229,7 +232,7 @@ btr_pcur_is_on_user_rec( return(TRUE); } -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is before the first user record in the index tree. */ UNIV_INLINE @@ -250,7 +253,7 @@ btr_pcur_is_before_first_in_tree( return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); } -/************************************************************* +/*********************************************************//** Checks if the persistent cursor is after the last user record in the index tree. */ UNIV_INLINE @@ -271,7 +274,7 @@ btr_pcur_is_after_last_in_tree( return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next record on the same page. */ UNIV_INLINE void @@ -287,7 +290,7 @@ btr_pcur_move_to_next_on_page( cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the previous record on the same page. */ UNIV_INLINE void @@ -303,7 +306,7 @@ btr_pcur_move_to_prev_on_page( cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the last record on the same page. */ UNIV_INLINE void @@ -321,7 +324,7 @@ btr_pcur_move_to_last_on_page( cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next user record in the tree. If no user records are left, the cursor ends up 'after last in tree'. @return TRUE if the cursor moved forward, ending on a user record */ @@ -357,7 +360,7 @@ loop: goto loop; } -/************************************************************* +/*********************************************************//** Moves the persistent cursor to the next record in the tree. If no records are left, the cursor stays 'after last in tree'. @return TRUE if the cursor was not after last in tree */ @@ -391,7 +394,7 @@ btr_pcur_move_to_next( return(TRUE); } -/****************************************************************** +/**************************************************************//** Commits the pcur mtr and sets the pcur latch mode to BTR_NO_LATCHES, that is, the cursor becomes detached. If there have been modifications to the page where pcur is positioned, this can be used instead of @@ -412,7 +415,7 @@ btr_pcur_commit( pcur->pos_state = BTR_PCUR_WAS_POSITIONED; } -/****************************************************************** +/**************************************************************//** Differs from btr_pcur_commit in that we can specify the mtr to commit. */ UNIV_INLINE void @@ -430,7 +433,7 @@ btr_pcur_commit_specify_mtr( pcur->pos_state = BTR_PCUR_WAS_POSITIONED; } -/****************************************************************** +/**************************************************************//** Sets the pcur latch mode to BTR_NO_LATCHES. */ UNIV_INLINE void @@ -445,7 +448,7 @@ btr_pcur_detach( pcur->pos_state = BTR_PCUR_WAS_POSITIONED; } -/****************************************************************** +/**************************************************************//** Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. @return TRUE if detached */ UNIV_INLINE @@ -462,7 +465,7 @@ btr_pcur_is_detached( return(FALSE); } -/****************************************************************** +/**************************************************************//** Sets the old_rec_buf field to NULL. */ UNIV_INLINE void @@ -475,7 +478,7 @@ btr_pcur_init( pcur->old_rec = NULL; } -/****************************************************************** +/**************************************************************//** Initializes and opens a persistent cursor to an index tree. It should be closed with btr_pcur_close. */ UNIV_INLINE @@ -514,7 +517,7 @@ btr_pcur_open( cursor->trx_if_known = NULL; } -/****************************************************************** +/**************************************************************//** Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE @@ -558,7 +561,7 @@ btr_pcur_open_with_no_init( cursor->trx_if_known = NULL; } -/********************************************************************* +/*****************************************************************//** Opens a persistent cursor at either end of an index. */ UNIV_INLINE void @@ -593,7 +596,7 @@ btr_pcur_open_at_index_side( pcur->trx_if_known = NULL; } -/************************************************************************** +/**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INLINE void @@ -619,7 +622,7 @@ btr_pcur_open_at_rnd_pos( cursor->trx_if_known = NULL; } -/****************************************************************** +/**************************************************************//** Frees the possible memory heap of a persistent cursor and sets the latch mode of the persistent cursor to BTR_NO_LATCHES. */ UNIV_INLINE diff --git a/include/btr0sea.h b/include/btr0sea.h index c90fb031f3c..631b3bd386c 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/btr0sea.h The index tree adaptive search Created 2/17/1996 Heikki Tuuri @@ -33,7 +34,7 @@ Created 2/17/1996 Heikki Tuuri #include "mtr0mtr.h" #include "ha0ha.h" -/********************************************************************* +/*****************************************************************//** Creates and initializes the adaptive search system at a database start. */ UNIV_INTERN void @@ -41,20 +42,20 @@ btr_search_sys_create( /*==================*/ ulint hash_size); /*!< in: hash index hash table size */ -/************************************************************************ +/********************************************************************//** Disable the adaptive hash search system and empty the index. */ UNIV_INTERN void btr_search_disable(void); /*====================*/ -/************************************************************************ +/********************************************************************//** Enable the adaptive hash search system. */ UNIV_INTERN void btr_search_enable(void); /*====================*/ -/************************************************************************ +/********************************************************************//** Returns search info for an index. @return search info; search mutex reserved */ UNIV_INLINE @@ -62,7 +63,7 @@ btr_search_t* btr_search_get_info( /*================*/ dict_index_t* index); /*!< in: index */ -/********************************************************************* +/*****************************************************************//** Creates and initializes a search info struct. @return own: search info struct */ UNIV_INTERN @@ -70,7 +71,7 @@ btr_search_t* btr_search_info_create( /*===================*/ mem_heap_t* heap); /*!< in: heap where created */ -/********************************************************************* +/*****************************************************************//** Returns the value of ref_count. The value is protected by btr_search_latch. @return ref_count value. */ @@ -79,7 +80,7 @@ ulint btr_search_info_get_ref_count( /*==========================*/ btr_search_t* info); /*!< in: search info. */ -/************************************************************************* +/*********************************************************************//** Updates the search info. */ UNIV_INLINE void @@ -87,7 +88,7 @@ btr_search_info_update( /*===================*/ dict_index_t* index, /*!< in: index of the cursor */ btr_cur_t* cursor);/*!< in: cursor which was just positioned */ -/********************************************************************** +/******************************************************************//** Tries to guess the right search position based on the hash search info of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, and the function returns TRUE, then cursor->up_match and cursor->low_match @@ -107,7 +108,7 @@ btr_search_guess_on_hash( currently has on btr_search_latch: RW_S_LATCH, RW_X_LATCH, or 0 */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** Moves or deletes hash entries for moved records. If new_page is already hashed, then the hash index for page, if any, is dropped. If new_page is not hashed, and page is hashed, then a new hash index is built to new_page with the same @@ -123,7 +124,7 @@ btr_search_move_or_delete_hash_entries( copied records will be deleted from this page */ dict_index_t* index); /*!< in: record descriptor */ -/************************************************************************ +/********************************************************************//** Drops a page hash index. */ UNIV_INTERN void @@ -133,7 +134,7 @@ btr_search_drop_page_hash_index( s- or x-latched, or an index page for which we know that block->buf_fix_count == 0 */ -/************************************************************************ +/********************************************************************//** Drops a page hash index when a page is freed from a fseg to the file system. Drops possible hash index if the page happens to be in the buffer pool. */ UNIV_INTERN @@ -144,7 +145,7 @@ btr_search_drop_page_hash_when_freed( ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ ulint page_no); /*!< in: page number */ -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is inserted on a page. */ UNIV_INTERN void @@ -154,7 +155,7 @@ btr_search_update_hash_node_on_insert( place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is inserted on a page. */ UNIV_INTERN void @@ -164,7 +165,7 @@ btr_search_update_hash_on_insert( place to insert using btr_cur_search_..., and the new record has been inserted next to the cursor */ -/************************************************************************ +/********************************************************************//** Updates the page hash index when a single record is deleted from a page. */ UNIV_INTERN void @@ -173,7 +174,7 @@ btr_search_update_hash_on_delete( btr_cur_t* cursor);/*!< in: cursor which was positioned on the record to delete using btr_cur_search_..., the record is not yet deleted */ -/************************************************************************ +/********************************************************************//** Validates the search system. @return TRUE if ok */ UNIV_INTERN @@ -181,74 +182,81 @@ ibool btr_search_validate(void); /*======================*/ -/* Flag: has the search system been enabled? +/** Flag: has the search system been enabled? Protected by btr_search_latch and btr_search_enabled_mutex. */ extern char btr_search_enabled; -/* The search info struct in an index */ - +/** The search info struct in an index */ struct btr_search_struct{ - ulint ref_count; /* Number of blocks in this index tree + ulint ref_count; /*!< Number of blocks in this index tree that have search index built i.e. block->index points to this index. Protected by btr_search_latch except when during initialization in btr_search_info_create(). */ - /* The following fields are not protected by any latch. + /* @{ The following fields are not protected by any latch. Unfortunately, this means that they must be aligned to the machine word, i.e., they cannot be turned into bit-fields. */ - buf_block_t* root_guess;/* the root page frame when it was last time + buf_block_t* root_guess;/*!< the root page frame when it was last time fetched, or NULL */ - ulint hash_analysis; /* when this exceeds BTR_SEARCH_HASH_ANALYSIS, - the hash analysis starts; this is reset if no + ulint hash_analysis; /*!< when this exceeds + BTR_SEARCH_HASH_ANALYSIS, the hash + analysis starts; this is reset if no success noticed */ - ibool last_hash_succ; /* TRUE if the last search would have + ibool last_hash_succ; /*!< TRUE if the last search would have succeeded, or did succeed, using the hash index; NOTE that the value here is not exact: it is not calculated for every search, and the calculation itself is not always accurate! */ ulint n_hash_potential; - /* number of consecutive searches + /*!< number of consecutive searches which would have succeeded, or did succeed, using the hash index; the range is 0 .. BTR_SEARCH_BUILD_LIMIT + 5 */ - /*----------------------*/ - ulint n_fields; /* recommended prefix length for hash search: + /* @} */ + /*---------------------- @{ */ + ulint n_fields; /*!< recommended prefix length for hash search: number of full fields */ - ulint n_bytes; /* recommended prefix: number of bytes in - an incomplete field; - see also BTR_PAGE_MAX_REC_SIZE */ - ibool left_side; /* TRUE or FALSE, depending on whether + ulint n_bytes; /*!< recommended prefix: number of bytes in + an incomplete field + @see BTR_PAGE_MAX_REC_SIZE */ + ibool left_side; /*!< TRUE or FALSE, depending on whether the leftmost record of several records with the same prefix should be indexed in the hash index */ - /*----------------------*/ + /*---------------------- @} */ #ifdef UNIV_SEARCH_PERF_STAT - ulint n_hash_succ; /* number of successful hash searches thus + ulint n_hash_succ; /*!< number of successful hash searches thus far */ - ulint n_hash_fail; /* number of failed hash searches */ - ulint n_patt_succ; /* number of successful pattern searches thus + ulint n_hash_fail; /*!< number of failed hash searches */ + ulint n_patt_succ; /*!< number of successful pattern searches thus far */ - ulint n_searches; /* number of searches */ + ulint n_searches; /*!< number of searches */ #endif /* UNIV_SEARCH_PERF_STAT */ #ifdef UNIV_DEBUG - ulint magic_n; /* magic number */ + ulint magic_n; /*!< magic number @see BTR_SEARCH_MAGIC_N */ +/** value of btr_search_struct::magic_n, used in assertions */ # define BTR_SEARCH_MAGIC_N 1112765 #endif /* UNIV_DEBUG */ }; -/* The hash index system */ - +/** The hash index system */ typedef struct btr_search_sys_struct btr_search_sys_t; +/** The hash index system */ struct btr_search_sys_struct{ - hash_table_t* hash_index; + hash_table_t* hash_index; /*!< the adaptive hash index, + mapping dtuple_fold values + to rec_t pointers on index pages */ }; +/** The adaptive hash index */ extern btr_search_sys_t* btr_search_sys; -/* The latch protecting the adaptive search system: this latch protects the +/** @brief The latch protecting the adaptive search system + +This latch protects the (1) hash index; (2) columns of a record to which we have a pointer in the hash index; @@ -259,36 +267,34 @@ but does NOT protect: Bear in mind (3) and (4) when using the hash index. */ - extern rw_lock_t* btr_search_latch_temp; +/** The latch protecting the adaptive search system */ #define btr_search_latch (*btr_search_latch_temp) #ifdef UNIV_SEARCH_PERF_STAT +/** Number of successful adaptive hash index lookups */ extern ulint btr_search_n_succ; +/** Number of failed adaptive hash index lookups */ extern ulint btr_search_n_hash_fail; #endif /* UNIV_SEARCH_PERF_STAT */ -/* After change in n_fields or n_bytes in info, this many rounds are waited +/** After change in n_fields or n_bytes in info, this many rounds are waited before starting the hash analysis again: this is to save CPU time when there is no hope in building a hash index. */ - #define BTR_SEARCH_HASH_ANALYSIS 17 -/* Limit of consecutive searches for trying a search shortcut on the search +/** Limit of consecutive searches for trying a search shortcut on the search pattern */ - #define BTR_SEARCH_ON_PATTERN_LIMIT 3 -/* Limit of consecutive searches for trying a search shortcut using the hash -index */ - +/** Limit of consecutive searches for trying a search shortcut using +the hash index */ #define BTR_SEARCH_ON_HASH_LIMIT 3 -/* We do this many searches before trying to keep the search latch over calls -from MySQL. If we notice someone waiting for the latch, we again set this -much timeout. This is to reduce contention. */ - +/** We do this many searches before trying to keep the search latch +over calls from MySQL. If we notice someone waiting for the latch, we +again set this much timeout. This is to reduce contention. */ #define BTR_SEA_TIMEOUT 10000 #ifndef UNIV_NONINL diff --git a/include/btr0sea.ic b/include/btr0sea.ic index d7a410733d5..beadeeb8d02 100644 --- a/include/btr0sea.ic +++ b/include/btr0sea.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/btr0sea.ic The index tree adaptive search Created 2/17/1996 Heikki Tuuri @@ -26,7 +27,7 @@ Created 2/17/1996 Heikki Tuuri #include "btr0cur.h" #include "buf0buf.h" -/************************************************************************* +/*********************************************************************//** Updates the search info. */ UNIV_INTERN void @@ -35,7 +36,7 @@ btr_search_info_update_slow( btr_search_t* info, /*!< in/out: search info */ btr_cur_t* cursor);/*!< in: cursor which was just positioned */ -/************************************************************************ +/********************************************************************//** Returns search info for an index. @return search info; search mutex reserved */ UNIV_INLINE @@ -49,7 +50,7 @@ btr_search_get_info( return(index->search_info); } -/************************************************************************* +/*********************************************************************//** Updates the search info. */ UNIV_INLINE void diff --git a/include/btr0types.h b/include/btr0types.h index 074b15fa68d..ef4a6b04b34 100644 --- a/include/btr0types.h +++ b/include/btr0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/btr0types.h The index tree general types Created 2/17/1996 Heikki Tuuri @@ -30,16 +31,19 @@ Created 2/17/1996 Heikki Tuuri #include "rem0types.h" #include "page0types.h" +/** Persistent cursor */ typedef struct btr_pcur_struct btr_pcur_t; +/** B-tree cursor */ typedef struct btr_cur_struct btr_cur_t; +/** B-tree search information for the adaptive hash index */ typedef struct btr_search_struct btr_search_t; -/* The size of a reference to data stored on a different page. +/** The size of a reference to data stored on a different page. The reference is stored at the end of the prefix of the field in the index record. */ #define BTR_EXTERN_FIELD_REF_SIZE 20 -/* A BLOB field reference full of zero, for use in assertions and tests. +/** A BLOB field reference full of zero, for use in assertions and tests. Initially, BLOB field references are set to zero, in dtuple_convert_big_rec(). */ extern const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 95cfcb3347b..7eb5a388af9 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0buddy.h Binary buddy allocator for compressed pages Created December 2006 by Marko Makela @@ -33,7 +34,7 @@ Created December 2006 by Marko Makela #include "univ.i" #include "buf0types.h" -/************************************************************************** +/**********************************************************************//** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired @@ -54,7 +55,7 @@ buf_buddy_alloc( or NULL if the LRU list should not be used */ __attribute__((malloc)); -/************************************************************************** +/**********************************************************************//** Release a block. */ UNIV_INLINE void diff --git a/include/buf0buddy.ic b/include/buf0buddy.ic index cbf807203ed..c419a2374d9 100644 --- a/include/buf0buddy.ic +++ b/include/buf0buddy.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0buddy.ic Binary buddy allocator for compressed pages Created December 2006 by Marko Makela @@ -32,7 +33,7 @@ Created December 2006 by Marko Makela #include "ut0ut.h" #include "sync0sync.h" -/************************************************************************** +/**********************************************************************//** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired if lru != NULL. @@ -49,7 +50,7 @@ buf_buddy_alloc_low( or NULL if the LRU list should not be used */ __attribute__((malloc)); -/************************************************************************** +/**********************************************************************//** Deallocate a block. */ UNIV_INTERN void @@ -61,7 +62,7 @@ buf_buddy_free_low( or BUF_BUDDY_SIZES */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Get the index of buf_pool->zip_free[] for a given block size. @return index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ UNIV_INLINE @@ -80,7 +81,7 @@ buf_buddy_get_slot( return(i); } -/************************************************************************** +/**********************************************************************//** Allocate a block. The thread calling this function must hold buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. The buf_pool_mutex may only be released and reacquired @@ -105,7 +106,7 @@ buf_buddy_alloc( return(buf_buddy_alloc_low(buf_buddy_get_slot(size), lru)); } -/************************************************************************** +/**********************************************************************//** Deallocate a block. */ UNIV_INLINE void diff --git a/include/buf0buf.h b/include/buf0buf.h index c7841076878..dbdca8657ad 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0buf.h The database buffer pool high-level routines Created 11/5/1995 Heikki Tuuri @@ -36,67 +37,83 @@ Created 11/5/1995 Heikki Tuuri #include "ut0rbt.h" #include "os0proc.h" -/* Modes for buf_page_get_gen */ -#define BUF_GET 10 /* get always */ -#define BUF_GET_IF_IN_POOL 11 /* get if in pool */ -#define BUF_GET_NO_LATCH 14 /* get and bufferfix, but set no latch; - we have separated this case, because - it is error-prone programming not to - set a latch, and it should be used - with care */ +/** @name Modes for buf_page_get_gen */ +/* @{ */ +#define BUF_GET 10 /*!< get always */ +#define BUF_GET_IF_IN_POOL 11 /*!< get if in pool */ +#define BUF_GET_NO_LATCH 14 /*!< get and bufferfix, but + set no latch; we have + separated this case, because + it is error-prone programming + not to set a latch, and it + should be used with care */ #define BUF_GET_IF_IN_POOL_OR_WATCH 15 - /* Get the page only if it's in the + /*!< Get the page only if it's in the buffer pool, if not then set a watch on the page. */ -/* Modes for buf_page_get_known_nowait */ -#define BUF_MAKE_YOUNG 51 -#define BUF_KEEP_OLD 52 +/* @} */ +/** @name Modes for buf_page_get_known_nowait */ +/* @{ */ +#define BUF_MAKE_YOUNG 51 /*!< Move the block to the + start of the LRU list if there + is a danger that the block + would drift out of the buffer + pool*/ +#define BUF_KEEP_OLD 52 /*!< Preserve the current LRU + position of the block. */ +/* @} */ -extern buf_pool_t* buf_pool; /* The buffer pool of the database */ +extern buf_pool_t* buf_pool; /*!< The buffer pool of the database */ #ifdef UNIV_DEBUG -extern ibool buf_debug_prints;/* If this is set TRUE, the program +extern ibool buf_debug_prints;/*!< If this is set TRUE, the program prints info whenever read or flush occurs */ #endif /* UNIV_DEBUG */ -extern ulint srv_buf_pool_write_requests; /* variable to count write request +extern ulint srv_buf_pool_write_requests; /*!< variable to count write request issued */ #else /* !UNIV_HOTBACKUP */ -extern buf_block_t* back_block1; /* first block, for --apply-log */ -extern buf_block_t* back_block2; /* second block, for page reorganize */ +extern buf_block_t* back_block1; /*!< first block, for --apply-log */ +extern buf_block_t* back_block2; /*!< second block, for page reorganize */ #endif /* !UNIV_HOTBACKUP */ -/* Magic value to use instead of checksums when they are disabled */ +/** Magic value to use instead of checksums when they are disabled */ #define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL -/* States of a control block (@see buf_page_struct). +/** @brief States of a control block +@see buf_page_struct + The enumeration values must be 0..7. */ enum buf_page_state { - BUF_BLOCK_ZIP_FREE = 0, /* contains a free compressed page */ - BUF_BLOCK_ZIP_PAGE, /* contains a clean compressed page */ - BUF_BLOCK_ZIP_DIRTY, /* contains a compressed page that is - in the buf_pool->flush_list */ + BUF_BLOCK_ZIP_FREE = 0, /*!< contains a free + compressed page */ + BUF_BLOCK_ZIP_PAGE, /*!< contains a clean + compressed page */ + BUF_BLOCK_ZIP_DIRTY, /*!< contains a compressed + page that is in the + buf_pool->flush_list */ - /* The constants for compressed-only pages must precede - BUF_BLOCK_NOT_USED; @see buf_block_state_valid() */ - - BUF_BLOCK_NOT_USED, /* is in the free list */ - BUF_BLOCK_READY_FOR_USE, /* when buf_LRU_get_free_block returns - a block, it is in this state */ - BUF_BLOCK_FILE_PAGE, /* contains a buffered file page */ - BUF_BLOCK_MEMORY, /* contains some main memory object */ - BUF_BLOCK_REMOVE_HASH /* hash index should be removed + BUF_BLOCK_NOT_USED, /*!< is in the free list; + must be after the BUF_BLOCK_ZIP_ + constants for compressed-only pages + @see buf_block_state_valid() */ + BUF_BLOCK_READY_FOR_USE, /*!< when buf_LRU_get_free_block + returns a block, it is in this state */ + BUF_BLOCK_FILE_PAGE, /*!< contains a buffered file page */ + BUF_BLOCK_MEMORY, /*!< contains some main memory + object */ + BUF_BLOCK_REMOVE_HASH /*!< hash index should be removed before putting to the free list */ }; #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Creates the buffer pool. @return own: buf_pool object, NULL if not enough memory or error */ UNIV_INTERN buf_pool_t* buf_pool_init(void); /*===============*/ -/************************************************************************ +/********************************************************************//** Frees the buffer pool at shutdown. This must not be invoked before freeing all mutexes. */ UNIV_INTERN @@ -104,7 +121,7 @@ void buf_pool_free(void); /*===============*/ -/************************************************************************ +/********************************************************************//** Drops the adaptive hash index. To prevent a livelock, this function is only to be called while holding btr_search_latch and while btr_search_enabled == FALSE. */ @@ -113,7 +130,7 @@ void buf_pool_drop_hash_index(void); /*==========================*/ -/************************************************************************ +/********************************************************************//** Relocate a buffer control block. Relocates the block on the LRU list and in buf_pool->page_hash. Does not relocate bpage->list. The caller must take care of relocating bpage->list. */ @@ -126,20 +143,20 @@ buf_relocate( BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ buf_page_t* dpage) /*!< in/out: destination control block */ __attribute__((nonnull)); -/************************************************************************ +/********************************************************************//** Resizes the buffer pool. */ UNIV_INTERN void buf_pool_resize(void); /*=================*/ -/************************************************************************* +/*********************************************************************//** Gets the current size of buffer buf_pool in bytes. @return size in bytes */ UNIV_INLINE ulint buf_pool_get_curr_size(void); /*========================*/ -/************************************************************************ +/********************************************************************//** Gets the smallest oldest_modification lsn for any page in the pool. Returns zero if all modified pages have been flushed to disk. @return oldest modification in pool, zero if none */ @@ -147,7 +164,7 @@ UNIV_INLINE ib_uint64_t buf_pool_get_oldest_modification(void); /*==================================*/ -/************************************************************************ +/********************************************************************//** Allocates a buffer block. @return own: the allocated block, in state BUF_BLOCK_MEMORY */ UNIV_INLINE @@ -156,7 +173,7 @@ buf_block_alloc( /*============*/ ulint zip_size); /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ -/************************************************************************ +/********************************************************************//** Frees a buffer block which does not contain a file page. */ UNIV_INLINE void @@ -164,7 +181,7 @@ buf_block_free( /*===========*/ buf_block_t* block); /*!< in, own: block to be freed */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Copies contents of a buffer frame to a given buffer. @return buf */ UNIV_INLINE @@ -174,14 +191,14 @@ buf_frame_copy( byte* buf, /*!< in: buffer to copy to */ const buf_frame_t* frame); /*!< in: buffer frame */ #ifndef UNIV_HOTBACKUP -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used instead of buf_page_get_gen, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed in LA! */ #define buf_page_get(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ SP, ZS, OF, LA, NULL,\ BUF_GET, __FILE__, __LINE__, MTR) -/****************************************************************** +/**************************************************************//** Use these macros to bufferfix a page with no latching. Remember not to read the contents of the page unless you know it is safe. Do not modify the contents of the page! We have separated this case, because it is @@ -190,13 +207,13 @@ with care. */ #define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ SP, ZS, OF, RW_NO_LATCH, NULL,\ BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used instead of buf_page_optimistic_get_func, to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */ #define buf_page_optimistic_get(LA, BL, MC, MTR) \ buf_page_optimistic_get_func(LA, BL, MC, __FILE__, __LINE__, MTR) -/************************************************************************ +/********************************************************************//** This is the general function used to get optimistic access to a database page. @return TRUE if success */ @@ -211,7 +228,7 @@ buf_page_optimistic_get_func( const char* file, /*!< in: file name */ ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mini-transaction */ -/************************************************************************ +/********************************************************************//** This is used to get access to a known database page, when no waiting can be done. @return TRUE if success */ @@ -226,7 +243,7 @@ buf_page_get_known_nowait( ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mini-transaction */ -/*********************************************************************** +/*******************************************************************//** Given a tablespace id and page number tries to get that page. If the page is not in the buffer pool it is not loaded and NULL is returned. Suitable for using when holding the kernel mutex. */ @@ -243,7 +260,7 @@ buf_page_try_get_func( #define buf_page_try_get(space_id, page_no, mtr) \ buf_page_try_get_func(space_id, page_no, __FILE__, __LINE__, mtr); -/************************************************************************ +/********************************************************************//** Get read access to a compressed page (usually of type FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). The page must be released with buf_page_release_zip(). @@ -259,7 +276,7 @@ buf_page_get_zip( ulint space, /*!< in: space id */ ulint zip_size,/*!< in: compressed page size */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** This is the general function used to get access to a database page. @return pointer to the block or NULL */ UNIV_INTERN @@ -278,7 +295,7 @@ buf_page_get_gen( const char* file, /*!< in: file name */ ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mini-transaction */ -/************************************************************************ +/********************************************************************//** Initializes a page to the buffer buf_pool. The page is usually not read from a file even if it cannot be found in the buffer buf_pool. This is one of the functions which perform to a block a state transition NOT_USED => @@ -294,7 +311,7 @@ buf_page_create( ulint zip_size,/*!< in: compressed page size, or 0 */ mtr_t* mtr); /*!< in: mini-transaction handle */ #else /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ UNIV_INTERN void @@ -309,14 +326,14 @@ buf_page_init_for_backup_restore( #endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Releases a compressed-only page acquired with buf_page_get_zip(). */ UNIV_INLINE void buf_page_release_zip( /*=================*/ buf_page_t* bpage); /*!< in: buffer block */ -/************************************************************************ +/********************************************************************//** Decrements the bufferfix count of a buffer control block and releases a latch, if specified. */ UNIV_INLINE @@ -327,7 +344,7 @@ buf_page_release( ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** Moves a page to the start of the buffer pool LRU list. This high-level function can be used to prevent an important page from from slipping out of the buffer pool. */ @@ -336,17 +353,20 @@ void buf_page_make_young( /*================*/ buf_page_t* bpage); /*!< in: buffer block of a file page */ -/************************************************************************ -Returns TRUE if the page can be found in the buffer pool hash table. NOTE -that it is possible that the page is not yet read from disk, though. -@return TRUE if found from page hash table, NOTE that the page is not necessarily yet read from disk! */ +/********************************************************************//** +Returns TRUE if the page can be found in the buffer pool hash table. + +NOTE that it is possible that the page is not yet read from disk, +though. + +@return TRUE if found in the page hash table */ UNIV_INLINE ibool buf_page_peek( /*==========*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** Resets the check_index_page_at_flush field of a page if found in the buffer pool. */ UNIV_INTERN @@ -356,7 +376,7 @@ buf_reset_check_index_page_at_flush( ulint space, /*!< in: space id */ ulint offset);/*!< in: page number */ #ifdef UNIV_DEBUG_FILE_ACCESSES -/************************************************************************ +/********************************************************************//** Sets file_page_was_freed TRUE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless @@ -368,7 +388,7 @@ buf_page_set_file_page_was_freed( /*=============================*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** Sets file_page_was_freed FALSE if the page is found in the buffer pool. This function should be called when we free a file page and want the debug version to check that it is not accessed any more unless @@ -381,7 +401,7 @@ buf_page_reset_file_page_was_freed( ulint space, /*!< in: space id */ ulint offset); /*!< in: page number */ #endif /* UNIV_DEBUG_FILE_ACCESSES */ -/************************************************************************ +/********************************************************************//** Reads the freed_page_clock of a buffer block. @return freed_page_clock */ UNIV_INLINE @@ -390,7 +410,7 @@ buf_page_get_freed_page_clock( /*==========================*/ const buf_page_t* bpage) /*!< in: block */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Reads the freed_page_clock of a buffer block. @return freed_page_clock */ UNIV_INLINE @@ -400,7 +420,7 @@ buf_block_get_freed_page_clock( const buf_block_t* block) /*!< in: block */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Recommends a move of a block to the start of the LRU list if there is danger of dropping from the buffer pool. NOTE: does not reserve the buffer pool mutex. @@ -410,7 +430,7 @@ ibool buf_page_peek_if_too_old( /*=====================*/ const buf_page_t* bpage); /*!< in: block to make younger */ -/************************************************************************ +/********************************************************************//** Returns the current state of is_hashed of a page. FALSE if the page is not in the pool. NOTE that this operation does not fix the page in the pool if it is found there. @@ -421,7 +441,7 @@ buf_page_peek_if_search_hashed( /*===========================*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** Gets the youngest modification log sequence number for a frame. Returns zero if not file page or no modification occurred yet. @return newest modification to page */ @@ -431,7 +451,7 @@ buf_page_get_newest_modification( /*=============================*/ const buf_page_t* bpage); /*!< in: block containing the page frame */ -/************************************************************************ +/********************************************************************//** Increments the modify clock of a frame by 1. The caller must (1) own the buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock on the block. */ @@ -440,7 +460,7 @@ void buf_block_modify_clock_inc( /*=======================*/ buf_block_t* block); /*!< in: block */ -/************************************************************************ +/********************************************************************//** Returns the value of the modify clock. The caller must have an s-lock or x-lock on the block. @return value */ @@ -452,7 +472,7 @@ buf_block_get_modify_clock( #else /* !UNIV_HOTBACKUP */ # define buf_block_modify_clock_inc(block) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value on 32-bit and 64-bit architectures. @@ -462,7 +482,7 @@ ulint buf_calc_page_new_checksum( /*=======================*/ const byte* page); /*!< in: buffer page */ -/************************************************************************ +/********************************************************************//** In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only looked at the first few bytes of the page. This calculates that old checksum. @@ -475,7 +495,7 @@ ulint buf_calc_page_old_checksum( /*=======================*/ const byte* page); /*!< in: buffer page */ -/************************************************************************ +/********************************************************************//** Checks if a page is corrupt. @return TRUE if corrupted */ UNIV_INTERN @@ -486,7 +506,7 @@ buf_page_is_corrupted( ulint zip_size); /*!< in: size of compressed page; 0 for uncompressed pages */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Gets the space id, page offset, and byte offset within page of a pointer pointing to a buffer frame containing a file page. */ UNIV_INLINE @@ -496,7 +516,7 @@ buf_ptr_get_fsp_addr( const void* ptr, /*!< in: pointer to a buffer frame */ ulint* space, /*!< out: space id */ fil_addr_t* addr); /*!< out: page offset and byte offset */ -/************************************************************************** +/**********************************************************************//** Gets the hash value of a block. This can be used in searches in the lock hash table. @return lock hash value */ @@ -507,7 +527,7 @@ buf_block_get_lock_hash_val( const buf_block_t* block) /*!< in: block */ __attribute__((pure)); #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Finds a block in the buffer pool that points to a given compressed page. @return buffer block pointing to the compressed page, or NULL */ @@ -518,7 +538,7 @@ buf_pool_contains_zip( const void* data); /*!< in: pointer to compressed page */ #endif /* UNIV_DEBUG */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************* +/*********************************************************************//** Validates the buffer pool data structure. @return TRUE */ UNIV_INTERN @@ -527,7 +547,7 @@ buf_validate(void); /*==============*/ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************* +/*********************************************************************//** Prints info of the buffer pool data structure. */ UNIV_INTERN void @@ -535,7 +555,7 @@ buf_print(void); /*============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Prints a page to stderr. */ UNIV_INTERN void @@ -544,7 +564,7 @@ buf_page_print( const byte* read_buf, /*!< in: a database page */ ulint zip_size); /*!< in: compressed page size, or 0 for uncompressed pages */ -/************************************************************************ +/********************************************************************//** Decompress a block. @return TRUE if successful */ UNIV_INTERN @@ -555,7 +575,7 @@ buf_zip_decompress( ibool check); /*!< in: TRUE=verify the page checksum */ #ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Returns the number of latched pages in the buffer pool. @return number of latched pages */ UNIV_INTERN @@ -563,21 +583,21 @@ ulint buf_get_latched_pages_number(void); /*==============================*/ #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Returns the number of pending buf pool ios. @return number of pending I/O operations */ UNIV_INTERN ulint buf_get_n_pending_ios(void); /*=======================*/ -/************************************************************************* +/*********************************************************************//** Prints info of the buffer i/o. */ UNIV_INTERN void buf_print_io( /*=========*/ FILE* file); /*!< in: file where to print */ -/************************************************************************* +/*********************************************************************//** Returns the ratio in percents of modified pages in the buffer pool / database pages in the buffer pool. @return modified page percentage ratio */ @@ -585,20 +605,20 @@ UNIV_INTERN ulint buf_get_modified_ratio_pct(void); /*============================*/ -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void buf_refresh_io_stats(void); /*======================*/ -/************************************************************************* +/*********************************************************************//** Asserts that all file pages in the buffer are in a replaceable state. @return TRUE */ UNIV_INTERN ibool buf_all_freed(void); /*===============*/ -/************************************************************************* +/*********************************************************************//** Checks that there currently are no pending i/o-operations for the buffer pool. @return TRUE if there is no pending i/o */ @@ -606,7 +626,7 @@ UNIV_INTERN ibool buf_pool_check_no_pending_io(void); /*==============================*/ -/************************************************************************* +/*********************************************************************//** Invalidates the file pages in the buffer pool when an archive recovery is completed. All the file pages buffered must be in a replaceable state when this function is called: not latched and not modified. */ @@ -621,7 +641,7 @@ buf_pool_invalidate(void); =========================================================================*/ #ifdef UNIV_SYNC_DEBUG -/************************************************************************* +/*********************************************************************//** Adds latch level info for the rw-lock protecting the buffer frame. This should be called in the debug version after a successful latching of a page if we know the latching order level of the acquired latch. */ @@ -635,7 +655,7 @@ buf_block_dbg_add_level( #else /* UNIV_SYNC_DEBUG */ # define buf_block_dbg_add_level(block, level) /* nothing */ #endif /* UNIV_SYNC_DEBUG */ -/************************************************************************* +/*********************************************************************//** Gets the state of a block. @return state */ UNIV_INLINE @@ -643,7 +663,7 @@ enum buf_page_state buf_page_get_state( /*===============*/ const buf_page_t* bpage); /*!< in: pointer to the control block */ -/************************************************************************* +/*********************************************************************//** Gets the state of a block. @return state */ UNIV_INLINE @@ -652,7 +672,7 @@ buf_block_get_state( /*================*/ const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Sets the state of a block. */ UNIV_INLINE void @@ -660,7 +680,7 @@ buf_page_set_state( /*===============*/ buf_page_t* bpage, /*!< in/out: pointer to control block */ enum buf_page_state state); /*!< in: state */ -/************************************************************************* +/*********************************************************************//** Sets the state of a block. */ UNIV_INLINE void @@ -668,7 +688,7 @@ buf_block_set_state( /*================*/ buf_block_t* block, /*!< in/out: pointer to control block */ enum buf_page_state state); /*!< in: state */ -/************************************************************************* +/*********************************************************************//** Determines if a block is mapped to a tablespace. @return TRUE if mapped */ UNIV_INLINE @@ -678,7 +698,7 @@ buf_page_in_file( const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Determines if a block should be on unzip_LRU list. @return TRUE if block belongs to unzip_LRU */ UNIV_INLINE @@ -687,7 +707,7 @@ buf_page_belongs_to_unzip_LRU( /*==========================*/ const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Determine the approximate LRU list position of a block. @return LRU list position */ UNIV_INLINE @@ -697,7 +717,7 @@ buf_page_get_LRU_position( const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the mutex of a block. @return pointer to mutex protecting bpage */ UNIV_INLINE @@ -707,7 +727,7 @@ buf_page_get_mutex( const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Get the flush type of a page. @return flush type */ UNIV_INLINE @@ -716,7 +736,7 @@ buf_page_get_flush_type( /*====================*/ const buf_page_t* bpage) /*!< in: buffer page */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Set the flush type of a page. */ UNIV_INLINE void @@ -724,7 +744,7 @@ buf_page_set_flush_type( /*====================*/ buf_page_t* bpage, /*!< in: buffer page */ enum buf_flush flush_type); /*!< in: flush type */ -/************************************************************************* +/*********************************************************************//** Map a block to a file page. */ UNIV_INLINE void @@ -733,7 +753,7 @@ buf_block_set_file_page( buf_block_t* block, /*!< in/out: pointer to control block */ ulint space, /*!< in: tablespace id */ ulint page_no);/*!< in: page number */ -/************************************************************************* +/*********************************************************************//** Gets the io_fix state of a block. @return io_fix state */ UNIV_INLINE @@ -742,7 +762,7 @@ buf_page_get_io_fix( /*================*/ const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the io_fix state of a block. @return io_fix state */ UNIV_INLINE @@ -751,7 +771,7 @@ buf_block_get_io_fix( /*================*/ const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Sets the io_fix state of a block. */ UNIV_INLINE void @@ -759,7 +779,7 @@ buf_page_set_io_fix( /*================*/ buf_page_t* bpage, /*!< in/out: control block */ enum buf_io_fix io_fix);/*!< in: io_fix state */ -/************************************************************************* +/*********************************************************************//** Sets the io_fix state of a block. */ UNIV_INLINE void @@ -768,7 +788,7 @@ buf_block_set_io_fix( buf_block_t* block, /*!< in/out: control block */ enum buf_io_fix io_fix);/*!< in: io_fix state */ -/************************************************************************ +/********************************************************************//** Determine if a buffer block can be relocated in memory. The block can be dirty, but it must not be I/O-fixed or bufferfixed. */ UNIV_INLINE @@ -778,7 +798,7 @@ buf_page_can_relocate( const buf_page_t* bpage) /*!< control block being relocated */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Determine if a block has been flagged old. @return TRUE if old */ UNIV_INLINE @@ -787,7 +807,7 @@ buf_page_is_old( /*============*/ const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Flag a block old. */ UNIV_INLINE void @@ -795,7 +815,7 @@ buf_page_set_old( /*=============*/ buf_page_t* bpage, /*!< in/out: control block */ ibool old); /*!< in: old */ -/************************************************************************* +/*********************************************************************//** Determine if a block has been accessed in the buffer pool. @return TRUE if accessed */ UNIV_INLINE @@ -804,7 +824,7 @@ buf_page_is_accessed( /*=================*/ const buf_page_t* bpage) /*!< in: control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Flag a block accessed. */ UNIV_INLINE void @@ -812,7 +832,7 @@ buf_page_set_accessed( /*==================*/ buf_page_t* bpage, /*!< in/out: control block */ ibool accessed); /*!< in: accessed */ -/************************************************************************* +/*********************************************************************//** Gets the buf_block_t handle of a buffered file block if an uncompressed page frame exists, or NULL. @return control block, or NULL */ @@ -824,7 +844,7 @@ buf_page_get_block( __attribute__((pure)); #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets a pointer to the memory frame of a block. @return pointer to the frame */ UNIV_INLINE @@ -836,7 +856,7 @@ buf_block_get_frame( #else /* UNIV_DEBUG */ # define buf_block_get_frame(block) (block)->frame #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Gets the space id of a block. @return space id */ UNIV_INLINE @@ -845,7 +865,7 @@ buf_page_get_space( /*===============*/ const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the space id of a block. @return space id */ UNIV_INLINE @@ -854,7 +874,7 @@ buf_block_get_space( /*================*/ const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the page number of a block. @return page number */ UNIV_INLINE @@ -863,7 +883,7 @@ buf_page_get_page_no( /*=================*/ const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the page number of a block. @return page number */ UNIV_INLINE @@ -872,7 +892,7 @@ buf_block_get_page_no( /*==================*/ const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the compressed page size of a block. @return compressed page size, or 0 */ UNIV_INLINE @@ -881,7 +901,7 @@ buf_page_get_zip_size( /*==================*/ const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the compressed page size of a block. @return compressed page size, or 0 */ UNIV_INLINE @@ -890,13 +910,13 @@ buf_block_get_zip_size( /*===================*/ const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); -/************************************************************************* +/*********************************************************************//** Gets the compressed page descriptor corresponding to an uncompressed page if applicable. */ #define buf_block_get_page_zip(block) \ (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Gets the block to whose frame the pointer is pointing to. @return pointer to block, never NULL */ UNIV_INTERN @@ -904,7 +924,7 @@ buf_block_t* buf_block_align( /*============*/ const byte* ptr); /*!< in: pointer to a frame */ -/************************************************************************ +/********************************************************************//** Find out if a pointer belongs to a buf_block_t. It can be a pointer to the buf_block_t itself or a member of it @return TRUE if ptr belongs to a buf_block_t struct */ @@ -920,7 +940,7 @@ buf_pointer_is_block_field( buf_pointer_is_block_field((void *)(l)) #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/************************************************************************* +/*********************************************************************//** Gets the compressed page descriptor corresponding to an uncompressed page if applicable. @return compressed page descriptor, or NULL */ @@ -930,7 +950,7 @@ buf_frame_get_page_zip( /*===================*/ const byte* ptr); /*!< in: pointer to the page */ #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -/************************************************************************ +/********************************************************************//** This function is used to get info if there is an io operation going on on a buffer page. @return TRUE if io going on */ @@ -939,7 +959,7 @@ ibool buf_page_io_query( /*==============*/ buf_page_t* bpage); /*!< in: pool block, must be bufferfixed */ -/************************************************************************ +/********************************************************************//** Function which inits a page for read to the buffer buf_pool. If the page is (1) already in buf_pool, or (2) if we specify to read only ibuf pages and the page is not an ibuf page, or @@ -962,7 +982,7 @@ buf_page_init_for_read( version of the tablespace in case we have done DISCARD + IMPORT */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** Completes an asynchronous read or write request of a file page to or from the buffer pool. */ UNIV_INTERN @@ -970,7 +990,7 @@ void buf_page_io_complete( /*=================*/ buf_page_t* bpage); /*!< in: pointer to the block in question */ -/************************************************************************ +/********************************************************************//** Calculates a folded value of a file page address to use in the page hash table. @return the folded value */ @@ -981,7 +1001,7 @@ buf_page_address_fold( ulint space, /*!< in: space id */ ulint offset) /*!< in: offset of the page within space */ __attribute__((const)); -/********************************************************************** +/******************************************************************//** Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ UNIV_INLINE @@ -990,7 +1010,7 @@ buf_page_hash_get( /*==============*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: offset of the page within space */ -/********************************************************************** +/******************************************************************//** Returns the control block of a file page, NULL if not found or an uncompressed page frame does not exist. @return block, NULL if not found */ @@ -1000,7 +1020,7 @@ buf_block_hash_get( /*===============*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: offset of the page within space */ -/*********************************************************************** +/*******************************************************************//** Increments the pool clock by one and returns its new value. Remember that in the 32 bit version the clock wraps around at 4 billion! @return new clock value */ @@ -1008,7 +1028,7 @@ UNIV_INLINE ulint buf_pool_clock_tic(void); /*====================*/ -/************************************************************************* +/*********************************************************************//** Gets the current length of the free list of buffer blocks. @return length of the free list */ UNIV_INTERN @@ -1041,171 +1061,190 @@ buf_pool_watch_occurred( ulint page_no); /*!< in: page number */ #endif /* !UNIV_HOTBACKUP */ -/* The common buffer control block structure +/** The common buffer control block structure for compressed and uncompressed frames */ struct buf_page_struct{ - /* None of the following bit-fields must be modified without - holding buf_page_get_mutex() [block->mutex or buf_pool_zip_mutex], - since they can be stored in the same machine word. Some of them are - additionally protected by buf_pool_mutex. */ + /** @name General fields + None of these bit-fields must be modified without holding + buf_page_get_mutex() [buf_block_struct::mutex or + buf_pool_zip_mutex], since they can be stored in the same + machine word. Some of these fields are additionally protected + by buf_pool_mutex. */ + /* @{ */ - unsigned space:32; /* tablespace id; also protected + unsigned space:32; /*!< tablespace id; also protected by buf_pool_mutex. */ - unsigned offset:32; /* page number; also protected + unsigned offset:32; /*!< page number; also protected by buf_pool_mutex. */ - unsigned state:3; /* state of the control block - (@see enum buf_page_state); also + unsigned state:3; /*!< state of the control block; also protected by buf_pool_mutex. State transitions from BUF_BLOCK_READY_FOR_USE to BUF_BLOCK_MEMORY need not be - protected by buf_page_get_mutex(). */ + protected by buf_page_get_mutex(). + @see enum buf_page_state */ #ifndef UNIV_HOTBACKUP - unsigned flush_type:2; /* if this block is currently being + unsigned flush_type:2; /*!< if this block is currently being flushed to disk, this tells the - flush_type (@see enum buf_flush) */ - unsigned accessed:1; /* TRUE if the page has been accessed + flush_type. + @see enum buf_flush */ + unsigned accessed:1; /*!< TRUE if the page has been accessed while in the buffer pool: read-ahead may read in pages which have not been accessed yet; a thread is allowed to read this for heuristic purposes without holding any mutex or latch */ - unsigned io_fix:2; /* type of pending I/O operation - (@see enum buf_io_fix); also - protected by buf_pool_mutex */ - unsigned buf_fix_count:24;/* count of how manyfold this block + unsigned io_fix:2; /*!< type of pending I/O operation; + also protected by buf_pool_mutex + @see enum buf_io_fix */ + unsigned buf_fix_count:24;/*!< count of how manyfold this block is currently bufferfixed */ + /* @} */ #endif /* !UNIV_HOTBACKUP */ - page_zip_des_t zip; /* compressed page; zip.data + page_zip_des_t zip; /*!< compressed page; zip.data (but not the data it points to) is also protected by buf_pool_mutex */ #ifndef UNIV_HOTBACKUP - buf_page_t* hash; /* node used in chaining to + buf_page_t* hash; /*!< node used in chaining to buf_pool->page_hash or buf_pool->zip_hash */ #ifdef UNIV_DEBUG - ibool in_page_hash; /* TRUE if in buf_pool->page_hash */ - ibool in_zip_hash; /* TRUE if in buf_pool->zip_hash */ + ibool in_page_hash; /*!< TRUE if in buf_pool->page_hash */ + ibool in_zip_hash; /*!< TRUE if in buf_pool->zip_hash */ #endif /* UNIV_DEBUG */ - /* 2. Page flushing fields; protected by buf_pool_mutex */ + /** @name Page flushing fields + All these are protected by buf_pool_mutex. */ + /* @{ */ UT_LIST_NODE_T(buf_page_t) list; - /* based on state, this is a + /*!< based on state, this is a list node, protected only by buf_pool_mutex, in one of the following lists in buf_pool: - BUF_BLOCK_NOT_USED: free - BUF_BLOCK_FILE_PAGE: flush_list - BUF_BLOCK_ZIP_DIRTY: flush_list - BUF_BLOCK_ZIP_PAGE: zip_clean - BUF_BLOCK_ZIP_FREE: zip_free[] */ + - BUF_BLOCK_NOT_USED: free + - BUF_BLOCK_FILE_PAGE: flush_list + - BUF_BLOCK_ZIP_DIRTY: flush_list + - BUF_BLOCK_ZIP_PAGE: zip_clean + - BUF_BLOCK_ZIP_FREE: zip_free[] */ #ifdef UNIV_DEBUG - ibool in_flush_list; /* TRUE if in buf_pool->flush_list; + ibool in_flush_list; /*!< TRUE if in buf_pool->flush_list; when buf_pool_mutex is free, the following should hold: in_flush_list == (state == BUF_BLOCK_FILE_PAGE || state == BUF_BLOCK_ZIP_DIRTY) */ - ibool in_free_list; /* TRUE if in buf_pool->free; when + ibool in_free_list; /*!< TRUE if in buf_pool->free; when buf_pool_mutex is free, the following should hold: in_free_list == (state == BUF_BLOCK_NOT_USED) */ #endif /* UNIV_DEBUG */ ib_uint64_t newest_modification; - /* log sequence number of the youngest - modification to this block, zero if - not modified */ + /*!< log sequence number of + the youngest modification to + this block, zero if not + modified */ ib_uint64_t oldest_modification; - /* log sequence number of the START of - the log entry written of the oldest - modification to this block which has - not yet been flushed on disk; zero if - all modifications are on disk */ - - /* 3. LRU replacement algorithm fields; protected by - buf_pool_mutex only (not buf_pool_zip_mutex or block->mutex) */ + /*!< log sequence number of + the START of the log entry + written of the oldest + modification to this block + which has not yet been flushed + on disk; zero if all + modifications are on disk */ + /* @} */ + /** @name LRU replacement algorithm fields + These fields are protected by buf_pool_mutex only (not + buf_pool_zip_mutex or buf_block_struct::mutex). */ + /* @{ */ UT_LIST_NODE_T(buf_page_t) LRU; - /* node of the LRU list */ + /*!< node of the LRU list */ #ifdef UNIV_DEBUG - ibool in_LRU_list; /* TRUE if the page is in the LRU list; - used in debugging */ + ibool in_LRU_list; /*!< TRUE if the page is in + the LRU list; used in + debugging */ #endif /* UNIV_DEBUG */ - unsigned old:1; /* TRUE if the block is in the old + unsigned old:1; /*!< TRUE if the block is in the old blocks in the LRU list */ - unsigned LRU_position:31;/* value which monotonically decreases - (or may stay constant if old==TRUE) - toward the end of the LRU list, if - buf_pool->ulint_clock has not wrapped - around: NOTE that this value can only - be used in heuristic algorithms, - because of the possibility of a + unsigned LRU_position:31;/*!< value which monotonically + decreases (or may stay + constant if old==TRUE) toward + the end of the LRU list, if + buf_pool->ulint_clock has not + wrapped around: NOTE that this + value can only be used in + heuristic algorithms, because + of the possibility of a wrap-around! */ - unsigned freed_page_clock:32;/* the value of - buf_pool->freed_page_clock when this - block was the last time put to the - head of the LRU list; a thread is - allowed to read this for heuristic - purposes without holding any mutex or - latch */ -#ifdef UNIV_DEBUG_FILE_ACCESSES + unsigned freed_page_clock:32;/*!< the value of + buf_pool->freed_page_clock + when this block was the last + time put to the head of the + LRU list; a thread is allowed + to read this for heuristic + purposes without holding any + mutex or latch */ + /* @} */ +# ifdef UNIV_DEBUG_FILE_ACCESSES ibool file_page_was_freed; - /* this is set to TRUE when fsp + /*!< this is set to TRUE when fsp frees a page in buffer pool */ -#endif /* UNIV_DEBUG_FILE_ACCESSES */ +# endif /* UNIV_DEBUG_FILE_ACCESSES */ #endif /* !UNIV_HOTBACKUP */ }; -/* The buffer control block structure */ +/** The buffer control block structure */ struct buf_block_struct{ - /* 1. General fields */ + /** @name General fields */ + /* @{ */ - buf_page_t page; /* page information; this must + buf_page_t page; /*!< page information; this must be the first field, so that buf_pool->page_hash can point to buf_page_t or buf_block_t */ - byte* frame; /* pointer to buffer frame which + byte* frame; /*!< pointer to buffer frame which is of size UNIV_PAGE_SIZE, and aligned to an address divisible by UNIV_PAGE_SIZE */ #ifndef UNIV_HOTBACKUP UT_LIST_NODE_T(buf_block_t) unzip_LRU; - /* node of the decompressed LRU list; + /*!< node of the decompressed LRU list; a block is in the unzip_LRU list if page.state == BUF_BLOCK_FILE_PAGE and page.zip.data != NULL */ #ifdef UNIV_DEBUG - ibool in_unzip_LRU_list;/* TRUE if the page is in the + ibool in_unzip_LRU_list;/*!< TRUE if the page is in the decompressed LRU list; used in debugging */ #endif /* UNIV_DEBUG */ - mutex_t mutex; /* mutex protecting this block: + mutex_t mutex; /*!< mutex protecting this block: state (also protected by the buffer pool mutex), io_fix, buf_fix_count, and accessed; we introduce this new mutex in InnoDB-5.1 to relieve contention on the buffer pool mutex */ - rw_lock_t lock; /* read-write lock of the buffer + rw_lock_t lock; /*!< read-write lock of the buffer frame */ - unsigned lock_hash_val:32;/* hashed value of the page address + unsigned lock_hash_val:32;/*!< hashed value of the page address in the record lock hash table */ unsigned check_index_page_at_flush:1; - /* TRUE if we know that this is + /*!< TRUE if we know that this is an index page, and want the database to check its consistency before flush; note that there may be pages in the buffer pool which are index pages, but this flag is not set because we do not keep track of all pages */ + /* @} */ + /** @name Optimistic search field */ + /* @{ */ - /* 2. Optimistic search field */ - - ib_uint64_t modify_clock; /* this clock is incremented every + ib_uint64_t modify_clock; /*!< this clock is incremented every time a pointer to a record on the page may become obsolete; this is used in the optimistic cursor @@ -1216,135 +1255,144 @@ struct buf_block_struct{ pool mutex and the page is not bufferfixed, or (2) the thread has an x-latch on the block */ + /* @} */ + /** @name Hash search fields (unprotected) + NOTE that these fields are NOT protected by any semaphore! */ + /* @{ */ - /* 3. Hash search fields: NOTE that the first 4 fields are NOT - protected by any semaphore! */ - - ulint n_hash_helps; /* counter which controls building + ulint n_hash_helps; /*!< counter which controls building of a new hash index for the page */ - ulint n_fields; /* recommended prefix length for hash + ulint n_fields; /*!< recommended prefix length for hash search: number of full fields */ - ulint n_bytes; /* recommended prefix: number of bytes + ulint n_bytes; /*!< recommended prefix: number of bytes in an incomplete field */ - ibool left_side; /* TRUE or FALSE, depending on + ibool left_side; /*!< TRUE or FALSE, depending on whether the leftmost record of several records with the same prefix should be indexed in the hash index */ + /* @} */ - /* These 6 fields may only be modified when we have + /** @name Hash search fields + These 6 fields may only be modified when we have an x-latch on btr_search_latch AND - a) we are holding an s-latch or x-latch on block->lock or - b) we know that block->buf_fix_count == 0. + - we are holding an s-latch or x-latch on buf_block_struct::lock or + - we know that buf_block_struct::buf_fix_count == 0. An exception to this is when we init or create a page in the buffer pool in buf0buf.c. */ + /* @{ */ + #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - ulint n_pointers; /* used in debugging: the number of + ulint n_pointers; /*!< used in debugging: the number of pointers in the adaptive hash index pointing to this frame */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - unsigned is_hashed:1; /* TRUE if hash index has already been - built on this page; note that it does - not guarantee that the index is - complete, though: there may have been - hash collisions, record deletions, - etc. */ - unsigned curr_n_fields:10;/* prefix length for hash indexing: + unsigned is_hashed:1; /*!< TRUE if hash index has + already been built on this + page; note that it does not + guarantee that the index is + complete, though: there may + have been hash collisions, + record deletions, etc. */ + unsigned curr_n_fields:10;/*!< prefix length for hash indexing: number of full fields */ - unsigned curr_n_bytes:15;/* number of bytes in hash indexing */ - unsigned curr_left_side:1;/* TRUE or FALSE in hash indexing */ - dict_index_t* index; /* Index for which the adaptive + unsigned curr_n_bytes:15;/*!< number of bytes in hash + indexing */ + unsigned curr_left_side:1;/*!< TRUE or FALSE in hash indexing */ + dict_index_t* index; /*!< Index for which the adaptive hash index has been created. */ - /* 4. Debug fields */ -#ifdef UNIV_SYNC_DEBUG - rw_lock_t debug_latch; /* in the debug version, each thread + /* @} */ +# ifdef UNIV_SYNC_DEBUG + /** @name Debug fields */ + /* @{ */ + rw_lock_t debug_latch; /*!< in the debug version, each thread which bufferfixes the block acquires an s-latch here; so we can use the debug utilities in sync0rw */ -#endif + /* @} */ +# endif #endif /* !UNIV_HOTBACKUP */ }; -/* Check if a buf_block_t object is in a valid state. */ +/** Check if a buf_block_t object is in a valid state +@param block buffer block +@return TRUE if valid */ #define buf_block_state_valid(block) \ (buf_block_get_state(block) >= BUF_BLOCK_NOT_USED \ && (buf_block_get_state(block) <= BUF_BLOCK_REMOVE_HASH)) #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Compute the hash fold value for blocks in buf_pool->zip_hash. */ +/* @{ */ #define BUF_POOL_ZIP_FOLD_PTR(ptr) ((ulint) (ptr) / UNIV_PAGE_SIZE) #define BUF_POOL_ZIP_FOLD(b) BUF_POOL_ZIP_FOLD_PTR((b)->frame) #define BUF_POOL_ZIP_FOLD_BPAGE(b) BUF_POOL_ZIP_FOLD((buf_block_t*) (b)) +/* @} */ -/* The buffer pool structure. NOTE! The definition appears here only for -other modules of this directory (buf) to see it. Do not use from outside! */ +/** @brief The buffer pool structure. + +NOTE! The definition appears here only for other modules of this +directory (buf) to see it. Do not use from outside! */ struct buf_pool_struct{ - /* 1. General fields */ + /** @name General fields */ + /* @{ */ - ulint n_chunks; /* number of buffer pool chunks */ - buf_chunk_t* chunks; /* buffer pool chunks */ - ulint curr_size; /* current pool size in pages */ - hash_table_t* page_hash; /* hash table of buf_page_t or + ulint n_chunks; /*!< number of buffer pool chunks */ + buf_chunk_t* chunks; /*!< buffer pool chunks */ + ulint curr_size; /*!< current pool size in pages */ + hash_table_t* page_hash; /*!< hash table of buf_page_t or buf_block_t file pages, buf_page_in_file() == TRUE, indexed by (space_id, offset) */ - /*--------------------------*/ /* Delete buffering data */ - ibool watch_active; /* if TRUE, set watch_occurred - when watch_space, watch_page_no - is read in. */ - ulint watch_space; /* space id of watched page */ - ulint watch_page_no; /* page number of watched page */ - ibool watch_occurred; /* has watched page been read in */ - /*--------------------------*/ - - - hash_table_t* zip_hash; /* hash table of buf_block_t blocks + hash_table_t* zip_hash; /*!< hash table of buf_block_t blocks whose frames are allocated to the zip buddy system, indexed by block->frame */ - ulint n_pend_reads; /* number of pending read operations */ - ulint n_pend_unzip; /* number of pending decompressions */ + ulint n_pend_reads; /*!< number of pending read operations */ + ulint n_pend_unzip; /*!< number of pending decompressions */ - time_t last_printout_time; /* when buf_print was last time + time_t last_printout_time; /*!< when buf_print was last time called */ - ulint n_pages_read; /* number read operations */ - ulint n_pages_written;/* number write operations */ - ulint n_pages_created;/* number of pages created in the pool - with no read */ - ulint n_page_gets; /* number of page gets performed; + ulint n_pages_read; /*!< number read operations */ + ulint n_pages_written;/*!< number write operations */ + ulint n_pages_created;/*!< number of pages created + in the pool with no read */ + ulint n_page_gets; /*!< number of page gets performed; also successful searches through the adaptive hash index are counted as page gets; this field is NOT protected by the buffer pool mutex */ - ulint n_page_gets_old;/* n_page_gets when buf_print was + ulint n_page_gets_old;/*!< n_page_gets when buf_print was last time called: used to calculate hit rate */ - ulint n_pages_read_old;/* n_pages_read when buf_print was + ulint n_pages_read_old;/*!< n_pages_read when buf_print was last time called */ - ulint n_pages_written_old;/* number write operations */ - ulint n_pages_created_old;/* number of pages created in + ulint n_pages_written_old;/*!< number write operations */ + ulint n_pages_created_old;/*!< number of pages created in the pool with no read */ - /* 2. Page flushing algorithm fields */ + /* @} */ + /** @name Page flushing algorithm fields */ + /* @{ */ UT_LIST_BASE_NODE_T(buf_page_t) flush_list; - /* base node of the modified block + /*!< base node of the modified block list */ ibool init_flush[BUF_FLUSH_N_TYPES]; - /* this is TRUE when a flush of the + /*!< this is TRUE when a flush of the given type is being initialized */ ulint n_flush[BUF_FLUSH_N_TYPES]; - /* this is the number of pending + /*!< this is the number of pending writes in the given flush type */ os_event_t no_flush[BUF_FLUSH_N_TYPES]; - /* this is in the set state when there - is no flush batch of the given type - running */ - ib_rbt_t* flush_rbt; /* a red-black tree is used + /*!< this is in the set state + when there is no flush batch + of the given type running */ + ib_rbt_t* flush_rbt; /*!< a red-black tree is used exclusively during recovery to speed up insertions in the flush_list. This tree contains @@ -1357,34 +1405,50 @@ struct buf_pool_struct{ This tree is relevant only in recovery and is set to NULL once the recovery is over. */ - ulint ulint_clock; /* a sequence number used to count + ulint ulint_clock; /*!< a sequence number used to count time. NOTE! This counter wraps around at 4 billion (if ulint == 32 bits)! */ - ulint freed_page_clock;/* a sequence number used to count the - number of buffer blocks removed from - the end of the LRU list; NOTE that - this counter may wrap around at 4 - billion! A thread is allowed to - read this for heuristic purposes - without holding any mutex or latch */ - ulint LRU_flush_ended;/* when an LRU flush ends for a page, + ulint freed_page_clock;/*!< a sequence number used + to count the number of buffer + blocks removed from the end of + the LRU list; NOTE that this + counter may wrap around at 4 + billion! A thread is allowed + to read this for heuristic + purposes without holding any + mutex or latch */ + ulint LRU_flush_ended;/*!< when an LRU flush ends for a page, this is incremented by one; this is set to zero when a buffer block is allocated */ - - /* 3. LRU replacement algorithm fields */ + /* @} */ + /** @name Buffer pool watch + This is needed for implementing delete buffering. */ + /* @{ */ + /*--------------------------*/ + ibool watch_active; /* if TRUE, set watch_occurred + when watch_space, watch_page_no + is read in. */ + ulint watch_space; /* space id of watched page */ + ulint watch_page_no; /* page number of watched page */ + ibool watch_occurred; /* has watched page been read in */ + /*--------------------------*/ + /* @} */ + /** @name LRU replacement algorithm fields */ + /* @{ */ UT_LIST_BASE_NODE_T(buf_page_t) free; - /* base node of the free block list */ + /*!< base node of the free + block list */ UT_LIST_BASE_NODE_T(buf_page_t) LRU; - /* base node of the LRU list */ - buf_page_t* LRU_old; /* pointer to the about 3/8 oldest + /*!< base node of the LRU list */ + buf_page_t* LRU_old; /*!< pointer to the about 3/8 oldest blocks in the LRU list; NULL if LRU length less than BUF_LRU_OLD_MIN_LEN; NOTE: when LRU_old != NULL, its length should always equal LRU_old_len */ - ulint LRU_old_len; /* length of the LRU list from + ulint LRU_old_len; /*!< length of the LRU list from the block to which LRU_old points onward, including that block; see buf0lru.c for the restrictions @@ -1394,34 +1458,42 @@ struct buf_pool_struct{ whenever LRU_old shrinks or grows! */ UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU; - /* base node of the unzip_LRU list */ + /*!< base node of the + unzip_LRU list */ - /* 4. Fields for the buddy allocator of compressed pages */ + /* @} */ + /** @name Buddy allocator fields + The buddy allocator is used for allocating compressed page + frames and buf_page_t descriptors of blocks that exist + in the buffer pool only in compressed form. */ + /* @{ */ UT_LIST_BASE_NODE_T(buf_page_t) zip_clean; - /* unmodified compressed pages */ + /*!< unmodified compressed pages */ UT_LIST_BASE_NODE_T(buf_page_t) zip_free[BUF_BUDDY_SIZES]; - /* buddy free lists */ + /*!< buddy free lists */ #if BUF_BUDDY_HIGH != UNIV_PAGE_SIZE # error "BUF_BUDDY_HIGH != UNIV_PAGE_SIZE" #endif #if BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE # error "BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE" #endif + /* @} */ }; -/* mutex protecting the buffer pool struct and control blocks, except the +/** mutex protecting the buffer pool struct and control blocks, except the read-write lock in them */ extern mutex_t buf_pool_mutex; -/* mutex protecting the control blocks of compressed-only pages +/** mutex protecting the control blocks of compressed-only pages (of type buf_page_t, not buf_block_t) */ extern mutex_t buf_pool_zip_mutex; -/* Accessors for buf_pool_mutex. Use these instead of accessing -buf_pool_mutex directly. */ +/** @name Accessors for buf_pool_mutex. +Use these instead of accessing buf_pool_mutex directly. */ +/* @{ */ -/* Test if buf_pool_mutex is owned. */ +/** Test if buf_pool_mutex is owned. */ #define buf_pool_mutex_own() mutex_own(&buf_pool_mutex) -/* Acquire the buffer pool mutex. */ +/** Acquire the buffer pool mutex. */ #define buf_pool_mutex_enter() do { \ ut_ad(!mutex_own(&buf_pool_zip_mutex)); \ mutex_enter(&buf_pool_mutex); \ @@ -1431,33 +1503,34 @@ buf_pool_mutex directly. */ /** Flag to forbid the release of the buffer pool mutex. Protected by buf_pool_mutex. */ extern ulint buf_pool_mutex_exit_forbidden; -/* Forbid the release of the buffer pool mutex. */ +/** Forbid the release of the buffer pool mutex. */ # define buf_pool_mutex_exit_forbid() do { \ ut_ad(buf_pool_mutex_own()); \ buf_pool_mutex_exit_forbidden++; \ } while (0) -/* Allow the release of the buffer pool mutex. */ +/** Allow the release of the buffer pool mutex. */ # define buf_pool_mutex_exit_allow() do { \ ut_ad(buf_pool_mutex_own()); \ ut_a(buf_pool_mutex_exit_forbidden); \ buf_pool_mutex_exit_forbidden--; \ } while (0) -/* Release the buffer pool mutex. */ +/** Release the buffer pool mutex. */ # define buf_pool_mutex_exit() do { \ ut_a(!buf_pool_mutex_exit_forbidden); \ mutex_exit(&buf_pool_mutex); \ } while (0) #else -/* Forbid the release of the buffer pool mutex. */ +/** Forbid the release of the buffer pool mutex. */ # define buf_pool_mutex_exit_forbid() ((void) 0) -/* Allow the release of the buffer pool mutex. */ +/** Allow the release of the buffer pool mutex. */ # define buf_pool_mutex_exit_allow() ((void) 0) -/* Release the buffer pool mutex. */ +/** Release the buffer pool mutex. */ # define buf_pool_mutex_exit() mutex_exit(&buf_pool_mutex) #endif #endif /* !UNIV_HOTBACKUP */ +/* @} */ -/************************************************************************ +/********************************************************************** Let us list the consistency conditions for different control block states. NOT_USED: is in free list, not in LRU list, not in flush list, nor @@ -1499,7 +1572,7 @@ FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if (1) buf_fix_count == 0, (2) oldest_modification == 0, and (3) io_fix == 0. - */ +*/ #ifndef UNIV_NONINL #include "buf0buf.ic" diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 42eddf22476..5a914fc0e98 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0buf.ic The database buffer buf_pool Created 11/5/1995 Heikki Tuuri @@ -35,7 +36,7 @@ Created 11/5/1995 Heikki Tuuri #include "buf0lru.h" #include "buf0rea.h" -/************************************************************************ +/********************************************************************//** Reads the freed_page_clock of a buffer block. @return freed_page_clock */ UNIV_INLINE @@ -48,7 +49,7 @@ buf_page_get_freed_page_clock( return(bpage->freed_page_clock); } -/************************************************************************ +/********************************************************************//** Reads the freed_page_clock of a buffer block. @return freed_page_clock */ UNIV_INLINE @@ -60,7 +61,7 @@ buf_block_get_freed_page_clock( return(buf_page_get_freed_page_clock(&block->page)); } -/************************************************************************ +/********************************************************************//** Recommends a move of a block to the start of the LRU list if there is danger of dropping from the buffer pool. NOTE: does not reserve the buffer pool mutex. @@ -76,7 +77,7 @@ buf_page_peek_if_too_old( + 1 + (buf_pool->curr_size / 4)); } -/************************************************************************* +/*********************************************************************//** Gets the current size of buffer buf_pool in bytes. @return size in bytes */ UNIV_INLINE @@ -87,7 +88,7 @@ buf_pool_get_curr_size(void) return(buf_pool->curr_size * UNIV_PAGE_SIZE); } -/************************************************************************ +/********************************************************************//** Gets the smallest oldest_modification lsn for any page in the pool. Returns zero if all modified pages have been flushed to disk. @return oldest modification in pool, zero if none */ @@ -118,7 +119,7 @@ buf_pool_get_oldest_modification(void) return(lsn); } -/*********************************************************************** +/*******************************************************************//** Increments the buf_pool clock by one and returns its new value. Remember that in the 32 bit version the clock wraps around at 4 billion! @return new clock value */ @@ -135,7 +136,7 @@ buf_pool_clock_tic(void) } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Gets the state of a block. @return state */ UNIV_INLINE @@ -164,7 +165,7 @@ buf_page_get_state( return(state); } -/************************************************************************* +/*********************************************************************//** Gets the state of a block. @return state */ UNIV_INLINE @@ -175,7 +176,7 @@ buf_block_get_state( { return(buf_page_get_state(&block->page)); } -/************************************************************************* +/*********************************************************************//** Sets the state of a block. */ UNIV_INLINE void @@ -221,7 +222,7 @@ buf_page_set_state( ut_ad(buf_page_get_state(bpage) == state); } -/************************************************************************* +/*********************************************************************//** Sets the state of a block. */ UNIV_INLINE void @@ -233,7 +234,7 @@ buf_block_set_state( buf_page_set_state(&block->page, state); } -/************************************************************************* +/*********************************************************************//** Determines if a block is mapped to a tablespace. @return TRUE if mapped */ UNIV_INLINE @@ -263,7 +264,7 @@ buf_page_in_file( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Determines if a block should be on unzip_LRU list. @return TRUE if block belongs to unzip_LRU */ UNIV_INLINE @@ -278,7 +279,7 @@ buf_page_belongs_to_unzip_LRU( && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); } -/************************************************************************* +/*********************************************************************//** Determine the approximate LRU list position of a block. @return LRU list position */ UNIV_INLINE @@ -293,7 +294,7 @@ buf_page_get_LRU_position( return(bpage->LRU_position); } -/************************************************************************* +/*********************************************************************//** Gets the mutex of a block. @return pointer to mutex protecting bpage */ UNIV_INLINE @@ -314,7 +315,7 @@ buf_page_get_mutex( } } -/************************************************************************* +/*********************************************************************//** Get the flush type of a page. @return flush type */ UNIV_INLINE @@ -338,7 +339,7 @@ buf_page_get_flush_type( #endif /* UNIV_DEBUG */ return(flush_type); } -/************************************************************************* +/*********************************************************************//** Set the flush type of a page. */ UNIV_INLINE void @@ -351,7 +352,7 @@ buf_page_set_flush_type( ut_ad(buf_page_get_flush_type(bpage) == flush_type); } -/************************************************************************* +/*********************************************************************//** Map a block to a file page. */ UNIV_INLINE void @@ -366,7 +367,7 @@ buf_block_set_file_page( block->page.offset = page_no; } -/************************************************************************* +/*********************************************************************//** Gets the io_fix state of a block. @return io_fix state */ UNIV_INLINE @@ -388,7 +389,7 @@ buf_page_get_io_fix( return(io_fix); } -/************************************************************************* +/*********************************************************************//** Gets the io_fix state of a block. @return io_fix state */ UNIV_INLINE @@ -400,7 +401,7 @@ buf_block_get_io_fix( return(buf_page_get_io_fix(&block->page)); } -/************************************************************************* +/*********************************************************************//** Sets the io_fix state of a block. */ UNIV_INLINE void @@ -416,7 +417,7 @@ buf_page_set_io_fix( ut_ad(buf_page_get_io_fix(bpage) == io_fix); } -/************************************************************************* +/*********************************************************************//** Sets the io_fix state of a block. */ UNIV_INLINE void @@ -428,7 +429,7 @@ buf_block_set_io_fix( buf_page_set_io_fix(&block->page, io_fix); } -/************************************************************************ +/********************************************************************//** Determine if a buffer block can be relocated in memory. The block can be dirty, but it must not be I/O-fixed or bufferfixed. */ UNIV_INLINE @@ -446,7 +447,7 @@ buf_page_can_relocate( && bpage->buf_fix_count == 0); } -/************************************************************************* +/*********************************************************************//** Determine if a block has been flagged old. @return TRUE if old */ UNIV_INLINE @@ -461,7 +462,7 @@ buf_page_is_old( return(bpage->old); } -/************************************************************************* +/*********************************************************************//** Flag a block old. */ UNIV_INLINE void @@ -485,7 +486,7 @@ buf_page_set_old( bpage->old = old; } -/************************************************************************* +/*********************************************************************//** Determine if a block has been accessed in the buffer pool. @return TRUE if accessed */ UNIV_INLINE @@ -499,7 +500,7 @@ buf_page_is_accessed( return(bpage->accessed); } -/************************************************************************* +/*********************************************************************//** Flag a block accessed. */ UNIV_INLINE void @@ -514,7 +515,7 @@ buf_page_set_accessed( bpage->accessed = accessed; } -/************************************************************************* +/*********************************************************************//** Gets the buf_block_t handle of a buffered file block if an uncompressed page frame exists, or NULL. @return control block, or NULL */ @@ -537,7 +538,7 @@ buf_page_get_block( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets a pointer to the memory frame of a block. @return pointer to the frame */ UNIV_INLINE @@ -571,7 +572,7 @@ ok: } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Gets the space id of a block. @return space id */ UNIV_INLINE @@ -586,7 +587,7 @@ buf_page_get_space( return(bpage->space); } -/************************************************************************* +/*********************************************************************//** Gets the space id of a block. @return space id */ UNIV_INLINE @@ -601,7 +602,7 @@ buf_block_get_space( return(block->page.space); } -/************************************************************************* +/*********************************************************************//** Gets the page number of a block. @return page number */ UNIV_INLINE @@ -616,7 +617,7 @@ buf_page_get_page_no( return(bpage->offset); } -/************************************************************************* +/*********************************************************************//** Gets the page number of a block. @return page number */ UNIV_INLINE @@ -631,7 +632,7 @@ buf_block_get_page_no( return(block->page.offset); } -/************************************************************************* +/*********************************************************************//** Gets the compressed page size of a block. @return compressed page size, or 0 */ UNIV_INLINE @@ -643,7 +644,7 @@ buf_page_get_zip_size( return(bpage->zip.ssize ? 512 << bpage->zip.ssize : 0); } -/************************************************************************* +/*********************************************************************//** Gets the compressed page size of a block. @return compressed page size, or 0 */ UNIV_INLINE @@ -657,7 +658,7 @@ buf_block_get_zip_size( #ifndef UNIV_HOTBACKUP #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/************************************************************************* +/*********************************************************************//** Gets the compressed page descriptor corresponding to an uncompressed page if applicable. @return compressed page descriptor, or NULL */ @@ -672,7 +673,7 @@ buf_frame_get_page_zip( #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Gets the space id, page offset, and byte offset within page of a pointer pointing to a buffer frame containing a file page. */ UNIV_INLINE @@ -692,7 +693,7 @@ buf_ptr_get_fsp_addr( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Gets the hash value of the page the pointer is pointing to. This can be used in searches in the lock hash table. @return lock hash value */ @@ -705,7 +706,7 @@ buf_block_get_lock_hash_val( return(block->lock_hash_val); } -/************************************************************************ +/********************************************************************//** Allocates a buffer block. @return own: the allocated block, in state BUF_BLOCK_MEMORY */ UNIV_INLINE @@ -724,7 +725,7 @@ buf_block_alloc( return(block); } -/************************************************************************ +/********************************************************************//** Frees a buffer block which does not contain a file page. */ UNIV_INLINE void @@ -746,7 +747,7 @@ buf_block_free( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Copies contents of a buffer frame to a given buffer. @return buf */ UNIV_INLINE @@ -764,7 +765,7 @@ buf_frame_copy( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Calculates a folded value of a file page address to use in the page hash table. @return the folded value */ @@ -778,7 +779,7 @@ buf_page_address_fold( return((space << 20) + space + offset); } -/************************************************************************ +/********************************************************************//** This function is used to get info if there is an io operation going on on a buffer page. @return TRUE if io going on */ @@ -801,7 +802,7 @@ buf_page_io_query( return(io_fixed); } -/************************************************************************ +/********************************************************************//** Gets the youngest modification log sequence number for a frame. Returns zero if not file page or no modification occurred yet. @return newest modification to page */ @@ -828,7 +829,7 @@ buf_page_get_newest_modification( return(lsn); } -/************************************************************************ +/********************************************************************//** Increments the modify clock of a frame by 1. The caller must (1) own the buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock on the block. */ @@ -847,7 +848,7 @@ buf_block_modify_clock_inc( block->modify_clock++; } -/************************************************************************ +/********************************************************************//** Returns the value of the modify clock. The caller must have an s-lock or x-lock on the block. @return value */ @@ -865,7 +866,7 @@ buf_block_get_modify_clock( return(block->modify_clock); } -/*********************************************************************** +/*******************************************************************//** Increments the bufferfix count. */ UNIV_INLINE void @@ -875,7 +876,7 @@ buf_block_buf_fix_inc_func( const char* file, /*!< in: file name */ ulint line, /*!< in: line */ #endif /* UNIV_SYNC_DEBUG */ - buf_block_t* block) /*!< in: block to bufferfix */ + buf_block_t* block) /*!< in/out: block to bufferfix */ { #ifdef UNIV_SYNC_DEBUG ibool ret; @@ -888,18 +889,26 @@ buf_block_buf_fix_inc_func( block->page.buf_fix_count++; } #ifdef UNIV_SYNC_DEBUG +/** Increments the bufferfix count. +@param b in/out: block to bufferfix +@param f in: file name where requested +@param l in: line number where requested */ # define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(f,l,b) #else /* UNIV_SYNC_DEBUG */ +/** Increments the bufferfix count. +@param b in/out: block to bufferfix +@param f in: file name where requested +@param l in: line number where requested */ # define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(b) #endif /* UNIV_SYNC_DEBUG */ -/*********************************************************************** +/*******************************************************************//** Decrements the bufferfix count. */ UNIV_INLINE void buf_block_buf_fix_dec( /*==================*/ - buf_block_t* block) /*!< in: block to bufferunfix */ + buf_block_t* block) /*!< in/out: block to bufferunfix */ { ut_ad(mutex_own(&block->mutex)); @@ -909,7 +918,7 @@ buf_block_buf_fix_dec( #endif } -/********************************************************************** +/******************************************************************//** Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ UNIV_INLINE @@ -943,7 +952,7 @@ buf_page_hash_get( return(bpage); } -/********************************************************************** +/******************************************************************//** Returns the control block of a file page, NULL if not found or an uncompressed page frame does not exist. @return block, NULL if not found */ @@ -957,10 +966,13 @@ buf_block_hash_get( return(buf_page_get_block(buf_page_hash_get(space, offset))); } -/************************************************************************ -Returns TRUE if the page can be found in the buffer pool hash table. NOTE -that it is possible that the page is not yet read from disk, though. -@return TRUE if found from page hash table, NOTE that the page is not necessarily yet read from disk! */ +/********************************************************************//** +Returns TRUE if the page can be found in the buffer pool hash table. + +NOTE that it is possible that the page is not yet read from disk, +though. + +@return TRUE if found in the page hash table */ UNIV_INLINE ibool buf_page_peek( @@ -979,7 +991,7 @@ buf_page_peek( return(bpage != NULL); } -/************************************************************************ +/********************************************************************//** Releases a compressed-only page acquired with buf_page_get_zip(). */ UNIV_INLINE void @@ -1019,7 +1031,7 @@ buf_page_release_zip( ut_error; } -/************************************************************************ +/********************************************************************//** Decrements the bufferfix count of a buffer control block and releases a latch, if specified. */ UNIV_INLINE @@ -1059,7 +1071,7 @@ buf_page_release( } #ifdef UNIV_SYNC_DEBUG -/************************************************************************* +/*********************************************************************//** Adds latch level info for the rw-lock protecting the buffer frame. This should be called in the debug version after a successful latching of a page if we know the latching order level of the acquired latch. */ diff --git a/include/buf0flu.h b/include/buf0flu.h index b026f975573..a5b7d0c7074 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0flu.h The database buffer pool flush algorithm Created 11/5/1995 Heikki Tuuri @@ -31,14 +32,14 @@ Created 11/5/1995 Heikki Tuuri #include "mtr0types.h" #include "buf0types.h" -/************************************************************************ +/********************************************************************//** Remove a block from the flush list of modified blocks. */ UNIV_INTERN void buf_flush_remove( /*=============*/ buf_page_t* bpage); /*!< in: pointer to the block in question */ -/*********************************************************************** +/*******************************************************************//** Relocates a buffer control block on the flush_list. Note that it is assumed that the contents of bpage has already been copied to dpage. */ @@ -48,14 +49,14 @@ buf_flush_relocate_on_flush_list( /*=============================*/ buf_page_t* bpage, /*!< in/out: control block being moved */ buf_page_t* dpage); /*!< in/out: destination block */ -/************************************************************************ +/********************************************************************//** Updates the flush system data structures when a write is completed. */ UNIV_INTERN void buf_flush_write_complete( /*=====================*/ buf_page_t* bpage); /*!< in: pointer to the block in question */ -/************************************************************************* +/*********************************************************************//** Flushes pages from the end of the LRU list if there is too small a margin of replaceable pages there. */ UNIV_INTERN @@ -63,7 +64,7 @@ void buf_flush_free_margin(void); /*=======================*/ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Initializes a page for writing to the tablespace. */ UNIV_INTERN void @@ -74,13 +75,14 @@ buf_flush_init_for_writing( ib_uint64_t newest_lsn); /*!< in: newest modification lsn to the page */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to pages: to avoid deadlocks, this function must be written so that it cannot end up waiting for these latches! NOTE 2: in the case of a flush list flush, the calling thread is not allowed to own any latches on pages! -@return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ UNIV_INTERN ulint buf_flush_batch( @@ -97,14 +99,14 @@ buf_flush_batch( smaller than this should be flushed (if their number does not exceed min_n), otherwise ignored */ -/********************************************************************** +/******************************************************************//** Waits until a flush batch of the given type ends */ UNIV_INTERN void buf_flush_wait_batch_end( /*=====================*/ enum buf_flush type); /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ -/************************************************************************ +/********************************************************************//** This function should be called at a mini-transaction commit, if a page was modified in it. Puts the block to the list of modified blocks, if it not already in it. */ @@ -114,7 +116,7 @@ buf_flush_note_modification( /*========================*/ buf_block_t* block, /*!< in: block which is modified */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** This function should be called when recovery has modified a buffer page. */ UNIV_INLINE void @@ -125,7 +127,7 @@ buf_flush_recv_note_modification( set of mtr's */ ib_uint64_t end_lsn); /*!< in: end lsn of the last mtr in the set of mtr's */ -/************************************************************************ +/********************************************************************//** Returns TRUE if the file page block is immediately suitable for replacement, i.e., transition FILE_PAGE => NOT_USED allowed. @return TRUE if can replace immediately */ @@ -136,7 +138,7 @@ buf_flush_ready_for_replace( buf_page_t* bpage); /*!< in: buffer control block, must be buf_page_in_file(bpage) and in the LRU list */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/********************************************************************** +/******************************************************************//** Validates the flush list. @return TRUE if ok */ UNIV_INTERN @@ -145,7 +147,7 @@ buf_flush_validate(void); /*====================*/ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -/************************************************************************ +/********************************************************************//** Initialize the red-black tree to speed up insertions into the flush_list during recovery process. Should be called at the start of recovery process before any page has been read/written. */ @@ -154,19 +156,19 @@ void buf_flush_init_flush_rbt(void); /*==========================*/ -/************************************************************************ +/********************************************************************//** Frees up the red-black tree. */ UNIV_INTERN void buf_flush_free_flush_rbt(void); /*==========================*/ -/* When buf_flush_free_margin is called, it tries to make this many blocks +/** When buf_flush_free_margin is called, it tries to make this many blocks available to replacement in the free list and at the end of the LRU list (to make sure that a read-ahead batch can be read efficiently in a single sweep). */ - #define BUF_FLUSH_FREE_BLOCK_MARGIN (5 + BUF_READ_AHEAD_AREA) +/** Extra margin to apply above BUF_FLUSH_FREE_BLOCK_MARGIN */ #define BUF_FLUSH_EXTRA_MARGIN (BUF_FLUSH_FREE_BLOCK_MARGIN / 4 + 100) #endif /* !UNIV_HOTBACKUP */ diff --git a/include/buf0flu.ic b/include/buf0flu.ic index 20ba622fd63..c90cd59e4b6 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0flu.ic The database buffer pool flush algorithm Created 11/5/1995 Heikki Tuuri @@ -26,14 +27,14 @@ Created 11/5/1995 Heikki Tuuri #include "buf0buf.h" #include "mtr0mtr.h" -/************************************************************************ +/********************************************************************//** Inserts a modified block into the flush list. */ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ buf_block_t* block); /*!< in/out: block which is modified */ -/************************************************************************ +/********************************************************************//** Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not necessarily come in the order of lsn's. */ @@ -43,7 +44,7 @@ buf_flush_insert_sorted_into_flush_list( /*====================================*/ buf_block_t* block); /*!< in/out: block which is modified */ -/************************************************************************ +/********************************************************************//** This function should be called at a mini-transaction commit, if a page was modified in it. Puts the block to the list of modified blocks, if it is not already in it. */ @@ -81,7 +82,7 @@ buf_flush_note_modification( ++srv_buf_pool_write_requests; } -/************************************************************************ +/********************************************************************//** This function should be called when recovery has modified a buffer page. */ UNIV_INLINE void diff --git a/include/buf0lru.h b/include/buf0lru.h index 31ba6f47032..32c61660d0f 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0lru.h The database buffer pool LRU replacement algorithm Created 11/5/1995 Heikki Tuuri @@ -41,7 +42,7 @@ enum buf_lru_free_block_status { BUF_LRU_NOT_FREED }; -/********************************************************************** +/******************************************************************//** Tries to remove LRU flushed blocks from the end of the LRU list and put them to the free list. This is beneficial for the efficiency of the insert buffer operation, as flushed pages from non-unique non-clustered indexes are here @@ -53,7 +54,7 @@ UNIV_INTERN void buf_LRU_try_free_flushed_blocks(void); /*==================================*/ -/********************************************************************** +/******************************************************************//** Returns TRUE if less than 25 % of the buffer pool is available. This can be used in heuristics to prevent huge transactions eating up the whole buffer pool for their locks. @@ -73,7 +74,7 @@ These are low-level functions #define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) -/********************************************************************** +/******************************************************************//** Invalidates all pages belonging to a given tablespace when we are deleting the data file(s) of that tablespace. A PROBLEM: if readahead is being started, what guarantees that it will not try to read in pages after this operation has @@ -83,7 +84,7 @@ void buf_LRU_invalidate_tablespace( /*==========================*/ ulint id); /*!< in: space id */ -/********************************************************************** +/******************************************************************//** Gets the minimum LRU_position field for the blocks in an initial segment (determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not guaranteed to be precise, because the ulint_clock may wrap around. @@ -92,7 +93,7 @@ UNIV_INTERN ulint buf_LRU_get_recent_limit(void); /*==========================*/ -/************************************************************************ +/********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN void @@ -100,7 +101,7 @@ buf_LRU_insert_zip_clean( /*=====================*/ buf_page_t* bpage); /*!< in: pointer to the block in question */ -/********************************************************************** +/******************************************************************//** Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. @@ -111,7 +112,8 @@ accessible via bpage. The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. -@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or BUF_LRU_NOT_FREED otherwise. */ +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or +BUF_LRU_NOT_FREED otherwise. */ UNIV_INTERN enum buf_lru_free_block_status buf_LRU_free_block( @@ -123,7 +125,7 @@ buf_LRU_free_block( /*!< in: pointer to a variable that will be assigned TRUE if buf_pool_mutex was temporarily released, or NULL */ -/********************************************************************** +/******************************************************************//** Try to free a replaceable block. @return TRUE if found and freed */ UNIV_INTERN @@ -138,7 +140,7 @@ buf_LRU_search_and_free_block( pages from the end of the LRU list; if n_iterations < 5, then we will also search n_iterations / 5 of the unzip_LRU list. */ -/********************************************************************** +/******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, returns NULL. @return a free control block, or NULL if the buf_block->free list is empty */ @@ -146,7 +148,7 @@ UNIV_INTERN buf_block_t* buf_LRU_get_free_only(void); /*=======================*/ -/********************************************************************** +/******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, blocks are moved from the end of the LRU list to the free list. @@ -158,14 +160,14 @@ buf_LRU_get_free_block( ulint zip_size); /*!< in: compressed page size in bytes, or 0 if uncompressed tablespace */ -/********************************************************************** +/******************************************************************//** Puts a block back to the free list. */ UNIV_INTERN void buf_LRU_block_free_non_file_page( /*=============================*/ buf_block_t* block); /*!< in: block, must not contain a file page */ -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list. */ UNIV_INTERN void @@ -176,7 +178,7 @@ buf_LRU_add_block( blocks in the LRU list, else put to the start; if the LRU list is very short, added to the start regardless of this parameter */ -/********************************************************************** +/******************************************************************//** Adds a block to the LRU list of decompressed zip pages. */ UNIV_INTERN void @@ -185,21 +187,21 @@ buf_unzip_LRU_add_block( buf_block_t* block, /*!< in: control block */ ibool old); /*!< in: TRUE if should be put to the end of the list, else put to the start */ -/********************************************************************** +/******************************************************************//** Moves a block to the start of the LRU list. */ UNIV_INTERN void buf_LRU_make_block_young( /*=====================*/ buf_page_t* bpage); /*!< in: control block */ -/********************************************************************** +/******************************************************************//** Moves a block to the end of the LRU list. */ UNIV_INTERN void buf_LRU_make_block_old( /*===================*/ buf_page_t* bpage); /*!< in: control block */ -/************************************************************************ +/********************************************************************//** Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ UNIV_INTERN @@ -208,7 +210,7 @@ buf_LRU_stat_update(void); /*=====================*/ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Validates the LRU list. @return TRUE */ UNIV_INTERN @@ -217,7 +219,7 @@ buf_LRU_validate(void); /*==================*/ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Prints the LRU list. */ UNIV_INTERN void @@ -225,7 +227,7 @@ buf_LRU_print(void); /*===============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ -/********************************************************************** +/******************************************************************//** These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O and page_zip_decompress() operations. Based on the statistics we decide if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */ @@ -247,10 +249,10 @@ extern buf_LRU_stat_t buf_LRU_stat_cur; Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ extern buf_LRU_stat_t buf_LRU_stat_sum; -/************************************************************************ +/********************************************************************//** Increments the I/O counter in buf_LRU_stat_cur. */ #define buf_LRU_stat_inc_io() buf_LRU_stat_cur.io++ -/************************************************************************ +/********************************************************************//** Increments the page_zip_decompress() counter in buf_LRU_stat_cur. */ #define buf_LRU_stat_inc_unzip() buf_LRU_stat_cur.unzip++ diff --git a/include/buf0lru.ic b/include/buf0lru.ic index f4c40e0b606..556f45d987f 100644 --- a/include/buf0lru.ic +++ b/include/buf0lru.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0lru.ic The database buffer replacement algorithm Created 11/5/1995 Heikki Tuuri diff --git a/include/buf0rea.h b/include/buf0rea.h index 7530f4ab12f..781f99f2fa3 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0rea.h The database buffer read Created 11/5/1995 Heikki Tuuri @@ -28,13 +29,14 @@ Created 11/5/1995 Heikki Tuuri #include "univ.i" #include "buf0types.h" -/************************************************************************ +/********************************************************************//** High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock released by the i/o-handler thread. Does a random read-ahead if it seems sensible. -@return number of page read requests issued: this can be > 1 if read-ahead occurred */ +@return number of page read requests issued: this can be greater than +1 if read-ahead occurred */ UNIV_INTERN ulint buf_read_page( @@ -42,7 +44,7 @@ buf_read_page( ulint space, /*!< in: space id */ ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ ulint offset);/*!< in: page number */ -/************************************************************************ +/********************************************************************//** Applies linear read-ahead if in the buf_pool the page is a border page of a linear read-ahead area and all the pages in the area have been accessed. Does not read any page if the read-ahead mechanism is not activated. Note @@ -74,7 +76,7 @@ buf_read_ahead_linear( ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ ulint offset);/*!< in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ -/************************************************************************ +/********************************************************************//** Issues read requests for pages which the ibuf module wants to read in, in order to contract the insert buffer tree. Technically, this function is like a read-ahead function. */ @@ -101,7 +103,7 @@ buf_read_ibuf_merge_pages( array */ ulint n_stored); /*!< in: number of elements in the arrays */ -/************************************************************************ +/********************************************************************//** Issues read requests for pages which recovery wants to read in. */ UNIV_INTERN void diff --git a/include/buf0types.h b/include/buf0types.h index f2721da85f9..e7167d716a0 100644 --- a/include/buf0types.h +++ b/include/buf0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/buf0types.h The database buffer pool global types for the directory Created 11/17/1995 Heikki Tuuri @@ -25,46 +26,55 @@ Created 11/17/1995 Heikki Tuuri #ifndef buf0types_h #define buf0types_h +/** Buffer page (uncompressed or compressed) */ typedef struct buf_page_struct buf_page_t; +/** Buffer block for which an uncompressed page exists */ typedef struct buf_block_struct buf_block_t; +/** Buffer pool chunk comprising buf_block_t */ typedef struct buf_chunk_struct buf_chunk_t; +/** Buffer pool comprising buf_chunk_t */ typedef struct buf_pool_struct buf_pool_t; -/* The 'type' used of a buffer frame */ +/** A buffer frame. @see page_t */ typedef byte buf_frame_t; -/* Flags for flush types */ +/** Flags for flush types */ enum buf_flush { - BUF_FLUSH_LRU = 0, - BUF_FLUSH_SINGLE_PAGE, - BUF_FLUSH_LIST, - BUF_FLUSH_N_TYPES /* index of last element + 1 */ + BUF_FLUSH_LRU = 0, /*!< flush via the LRU list */ + BUF_FLUSH_SINGLE_PAGE, /*!< flush a single page */ + BUF_FLUSH_LIST, /*!< flush via the flush list + of dirty blocks */ + BUF_FLUSH_N_TYPES /*!< index of last element + 1 */ }; -/* Flags for io_fix types */ +/** Flags for io_fix types */ enum buf_io_fix { BUF_IO_NONE = 0, /**< no pending I/O */ BUF_IO_READ, /**< read pending */ BUF_IO_WRITE /**< write pending */ }; -/* Parameters of binary buddy system for compressed pages (buf0buddy.h) */ +/** Parameters of binary buddy system for compressed pages (buf0buddy.h) */ +/* @{ */ #if UNIV_WORD_SIZE <= 4 /* 32-bit system */ +/** Base-2 logarithm of the smallest buddy block size */ # define BUF_BUDDY_LOW_SHIFT 6 #else /* 64-bit system */ +/** Base-2 logarithm of the smallest buddy block size */ # define BUF_BUDDY_LOW_SHIFT 7 #endif #define BUF_BUDDY_LOW (1 << BUF_BUDDY_LOW_SHIFT) - /* minimum block size in the binary + /*!< minimum block size in the binary buddy system; must be at least sizeof(buf_page_t) */ #define BUF_BUDDY_SIZES (UNIV_PAGE_SIZE_SHIFT - BUF_BUDDY_LOW_SHIFT) - /* number of buddy sizes */ + /*!< number of buddy sizes */ -/* twice the maximum block size of the buddy system; +/** twice the maximum block size of the buddy system; the underlying memory is aligned by this amount: this must be equal to UNIV_PAGE_SIZE */ #define BUF_BUDDY_HIGH (BUF_BUDDY_LOW << BUF_BUDDY_SIZES) +/* @} */ #endif diff --git a/include/data0data.h b/include/data0data.h index 3ac5678c603..f9fce3f3657 100644 --- a/include/data0data.h +++ b/include/data0data.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/data0data.h SQL data field and tuple Created 5/30/1994 Heikki Tuuri @@ -32,10 +33,12 @@ Created 5/30/1994 Heikki Tuuri #include "mem0mem.h" #include "dict0types.h" +/** Storage for overflow data in a big record, that is, a clustered +index record which needs external storage of data fields */ typedef struct big_rec_struct big_rec_t; #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets pointer to the type struct of SQL data field. @return pointer to the type struct */ UNIV_INLINE @@ -43,7 +46,7 @@ dtype_t* dfield_get_type( /*============*/ const dfield_t* field); /*!< in: SQL data field */ -/************************************************************************* +/*********************************************************************//** Gets pointer to the data in a field. @return pointer to data */ UNIV_INLINE @@ -55,7 +58,7 @@ dfield_get_data( # define dfield_get_type(field) (&(field)->type) # define dfield_get_data(field) ((field)->data) #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Sets the type struct of SQL data field. */ UNIV_INLINE void @@ -63,7 +66,7 @@ dfield_set_type( /*============*/ dfield_t* field, /*!< in: SQL data field */ dtype_t* type); /*!< in: pointer to data type struct */ -/************************************************************************* +/*********************************************************************//** Gets length of field data. @return length of data; UNIV_SQL_NULL if SQL null data */ UNIV_INLINE @@ -71,7 +74,7 @@ ulint dfield_get_len( /*===========*/ const dfield_t* field); /*!< in: field */ -/************************************************************************* +/*********************************************************************//** Sets length in a field. */ UNIV_INLINE void @@ -79,7 +82,7 @@ dfield_set_len( /*===========*/ dfield_t* field, /*!< in: field */ ulint len); /*!< in: length or UNIV_SQL_NULL */ -/************************************************************************* +/*********************************************************************//** Determines if a field is SQL NULL @return nonzero if SQL null data */ UNIV_INLINE @@ -87,7 +90,7 @@ ulint dfield_is_null( /*===========*/ const dfield_t* field); /*!< in: field */ -/************************************************************************* +/*********************************************************************//** Determines if a field is externally stored @return nonzero if externally stored */ UNIV_INLINE @@ -95,14 +98,14 @@ ulint dfield_is_ext( /*==========*/ const dfield_t* field); /*!< in: field */ -/************************************************************************* +/*********************************************************************//** Sets the "external storage" flag */ UNIV_INLINE void dfield_set_ext( /*===========*/ dfield_t* field); /*!< in/out: field */ -/************************************************************************* +/*********************************************************************//** Sets pointer to the data and length in a field. */ UNIV_INLINE void @@ -111,14 +114,14 @@ dfield_set_data( dfield_t* field, /*!< in: field */ const void* data, /*!< in: data */ ulint len); /*!< in: length or UNIV_SQL_NULL */ -/************************************************************************* +/*********************************************************************//** Sets a data field to SQL NULL. */ UNIV_INLINE void dfield_set_null( /*============*/ dfield_t* field); /*!< in/out: field */ -/************************************************************************** +/**********************************************************************//** Writes an SQL null field full of zeros. */ UNIV_INLINE void @@ -126,7 +129,7 @@ data_write_sql_null( /*================*/ byte* data, /*!< in: pointer to a buffer of size len */ ulint len); /*!< in: SQL null size in bytes */ -/************************************************************************* +/*********************************************************************//** Copies the data and len fields. */ UNIV_INLINE void @@ -134,7 +137,7 @@ dfield_copy_data( /*=============*/ dfield_t* field1, /*!< out: field to copy to */ const dfield_t* field2);/*!< in: field to copy from */ -/************************************************************************* +/*********************************************************************//** Copies a data field to another. */ UNIV_INLINE void @@ -142,7 +145,7 @@ dfield_copy( /*========*/ dfield_t* field1, /*!< out: field to copy to */ const dfield_t* field2);/*!< in: field to copy from */ -/************************************************************************* +/*********************************************************************//** Copies the data pointed to by a data field. */ UNIV_INLINE void @@ -150,7 +153,7 @@ dfield_dup( /*=======*/ dfield_t* field, /*!< in/out: data field */ mem_heap_t* heap); /*!< in: memory heap where allocated */ -/************************************************************************* +/*********************************************************************//** Tests if data length and content is equal for two dfields. @return TRUE if equal */ UNIV_INLINE @@ -159,7 +162,7 @@ dfield_datas_are_binary_equal( /*==========================*/ const dfield_t* field1, /*!< in: field */ const dfield_t* field2);/*!< in: field */ -/************************************************************************* +/*********************************************************************//** Tests if dfield data length and content is equal to the given. @return TRUE if equal */ UNIV_INTERN @@ -169,7 +172,7 @@ dfield_data_is_binary_equal( const dfield_t* field, /*!< in: field */ ulint len, /*!< in: data length or UNIV_SQL_NULL */ const byte* data); /*!< in: data */ -/************************************************************************* +/*********************************************************************//** Gets number of fields in a data tuple. @return number of fields */ UNIV_INLINE @@ -178,7 +181,7 @@ dtuple_get_n_fields( /*================*/ const dtuple_t* tuple); /*!< in: tuple */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets nth field of a tuple. @return nth field */ UNIV_INLINE @@ -190,7 +193,7 @@ dtuple_get_nth_field( #else /* UNIV_DEBUG */ # define dtuple_get_nth_field(tuple, n) ((tuple)->fields + (n)) #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Gets info bits in a data tuple. @return info bits */ UNIV_INLINE @@ -198,7 +201,7 @@ ulint dtuple_get_info_bits( /*=================*/ const dtuple_t* tuple); /*!< in: tuple */ -/************************************************************************* +/*********************************************************************//** Sets info bits in a data tuple. */ UNIV_INLINE void @@ -206,7 +209,7 @@ dtuple_set_info_bits( /*=================*/ dtuple_t* tuple, /*!< in: tuple */ ulint info_bits); /*!< in: info bits */ -/************************************************************************* +/*********************************************************************//** Gets number of fields used in record comparisons. @return number of fields used in comparisons in rem0cmp.* */ UNIV_INLINE @@ -214,7 +217,7 @@ ulint dtuple_get_n_fields_cmp( /*====================*/ const dtuple_t* tuple); /*!< in: tuple */ -/************************************************************************* +/*********************************************************************//** Gets number of fields used in record comparisons. */ UNIV_INLINE void @@ -223,7 +226,7 @@ dtuple_set_n_fields_cmp( dtuple_t* tuple, /*!< in: tuple */ ulint n_fields_cmp); /*!< in: number of fields used in comparisons in rem0cmp.* */ -/************************************************************** +/**********************************************************//** Creates a data tuple to a memory heap. The default value for number of fields used in record comparisons for this tuple is n_fields. @return own: created tuple */ @@ -235,7 +238,7 @@ dtuple_create( is created */ ulint n_fields); /*!< in: number of fields */ -/************************************************************** +/**********************************************************//** Wrap data fields in a tuple. The default value for number of fields used in record comparisons for this tuple is n_fields. @return data tuple */ @@ -247,7 +250,7 @@ dtuple_from_fields( const dfield_t* fields, /*!< in: fields */ ulint n_fields); /*!< in: number of fields */ -/************************************************************************* +/*********************************************************************//** Sets number of fields used in a tuple. Normally this is set in dtuple_create, but if you want later to set it smaller, you can use this. */ UNIV_INTERN @@ -256,7 +259,7 @@ dtuple_set_n_fields( /*================*/ dtuple_t* tuple, /*!< in: tuple */ ulint n_fields); /*!< in: number of fields */ -/************************************************************************* +/*********************************************************************//** Copies a data tuple to another. This is a shallow copy; if a deep copy is desired, dfield_dup() will have to be invoked on each field. @return own: copy of tuple */ @@ -267,7 +270,7 @@ dtuple_copy( const dtuple_t* tuple, /*!< in: tuple to copy from */ mem_heap_t* heap); /*!< in: memory heap where the tuple is created */ -/************************************************************** +/**********************************************************//** The following function returns the sum of data lengths of a tuple. The space occupied by the field structs or the tuple struct is not counted. @return sum of data lens */ @@ -277,7 +280,7 @@ dtuple_get_data_size( /*=================*/ const dtuple_t* tuple, /*!< in: typed data tuple */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -/************************************************************************* +/*********************************************************************//** Computes the number of externally stored fields in a data tuple. @return number of fields */ UNIV_INLINE @@ -285,16 +288,17 @@ ulint dtuple_get_n_ext( /*=============*/ const dtuple_t* tuple); /*!< in: tuple */ -/**************************************************************** +/************************************************************//** Compare two data tuples, respecting the collation of character fields. -@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, than tuple2 */ +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, +than tuple2 */ UNIV_INTERN int dtuple_coll_cmp( /*============*/ const dtuple_t* tuple1, /*!< in: tuple 1 */ const dtuple_t* tuple2);/*!< in: tuple 2 */ -/**************************************************************** +/************************************************************//** Folds a prefix given as the number of fields of a tuple. @return the folded value */ UNIV_INLINE @@ -307,7 +311,7 @@ dtuple_fold( incomplete last field */ dulint tree_id)/*!< in: index tree id */ __attribute__((pure)); -/*********************************************************************** +/*******************************************************************//** Sets types of fields binary in a tuple. */ UNIV_INLINE void @@ -315,7 +319,7 @@ dtuple_set_types_binary( /*====================*/ dtuple_t* tuple, /*!< in: data tuple */ ulint n); /*!< in: number of fields to set */ -/************************************************************************** +/**********************************************************************//** Checks if a dtuple contains an SQL null value. @return TRUE if some field is SQL null */ UNIV_INLINE @@ -323,7 +327,7 @@ ibool dtuple_contains_null( /*=================*/ const dtuple_t* tuple); /*!< in: dtuple */ -/************************************************************** +/**********************************************************//** Checks that a data field is typed. Asserts an error if not. @return TRUE if ok */ UNIV_INTERN @@ -331,7 +335,7 @@ ibool dfield_check_typed( /*===============*/ const dfield_t* field); /*!< in: data field */ -/************************************************************** +/**********************************************************//** Checks that a data tuple is typed. Asserts an error if not. @return TRUE if ok */ UNIV_INTERN @@ -339,7 +343,7 @@ ibool dtuple_check_typed( /*===============*/ const dtuple_t* tuple); /*!< in: tuple */ -/************************************************************** +/**********************************************************//** Checks that a data tuple is typed. @return TRUE if ok */ UNIV_INTERN @@ -348,7 +352,7 @@ dtuple_check_typed_no_assert( /*=========================*/ const dtuple_t* tuple); /*!< in: tuple */ #ifdef UNIV_DEBUG -/************************************************************** +/**********************************************************//** Validates the consistency of a tuple which must be complete, i.e, all fields must have been set. @return TRUE if ok */ @@ -358,14 +362,14 @@ dtuple_validate( /*============*/ const dtuple_t* tuple); /*!< in: tuple */ #endif /* UNIV_DEBUG */ -/***************************************************************** +/*************************************************************//** Pretty prints a dfield value according to its data type. */ UNIV_INTERN void dfield_print( /*=========*/ const dfield_t* dfield);/*!< in: dfield */ -/***************************************************************** +/*************************************************************//** Pretty prints a dfield value according to its data type. Also the hex string is printed if a string contains non-printable characters. */ UNIV_INTERN @@ -373,7 +377,7 @@ void dfield_print_also_hex( /*==================*/ const dfield_t* dfield); /*!< in: dfield */ -/************************************************************** +/**********************************************************//** The following function prints the contents of a tuple. */ UNIV_INTERN void @@ -381,12 +385,14 @@ dtuple_print( /*=========*/ FILE* f, /*!< in: output stream */ const dtuple_t* tuple); /*!< in: tuple */ -/****************************************************************** +/**************************************************************//** Moves parts of long fields in entry to the big record vector so that the size of tuple drops below the maximum record size allowed in the database. Moves data only from those fields which are not necessary to determine uniquely the insertion place of the tuple in the index. -@return own: created big record vector, NULL if we are not able to shorten the entry enough, i.e., if there are too many fixed-length or short fields in entry or the index is clustered */ +@return own: created big record vector, NULL if we are not able to +shorten the entry enough, i.e., if there are too many fixed-length or +short fields in entry or the index is clustered */ UNIV_INTERN big_rec_t* dtuple_convert_big_rec( @@ -395,7 +401,7 @@ dtuple_convert_big_rec( dtuple_t* entry, /*!< in/out: index entry */ ulint* n_ext); /*!< in/out: number of externally stored columns */ -/****************************************************************** +/**************************************************************//** Puts back to entry the data stored in vector. Note that to ensure the fields in entry can accommodate the data, vector must have been created from entry with dtuple_convert_big_rec. */ @@ -407,7 +413,7 @@ dtuple_convert_back_big_rec( dtuple_t* entry, /*!< in: entry whose data was put to vector */ big_rec_t* vector);/*!< in, own: big rec vector; it is freed in this function */ -/****************************************************************** +/**************************************************************//** Frees the memory in a big rec vector. */ UNIV_INLINE void @@ -418,53 +424,56 @@ dtuple_big_rec_free( /*######################################################################*/ -/* Structure for an SQL data field */ +/** Structure for an SQL data field */ struct dfield_struct{ - void* data; /* pointer to data */ - unsigned ext:1; /* TRUE=externally stored, FALSE=local */ - unsigned len:32; /* data length; UNIV_SQL_NULL if SQL null */ - dtype_t type; /* type of data */ + void* data; /*!< pointer to data */ + unsigned ext:1; /*!< TRUE=externally stored, FALSE=local */ + unsigned len:32; /*!< data length; UNIV_SQL_NULL if SQL null */ + dtype_t type; /*!< type of data */ }; +/** Structure for an SQL data tuple of fields (logical record) */ struct dtuple_struct { - ulint info_bits; /* info bits of an index record: + ulint info_bits; /*!< info bits of an index record: the default is 0; this field is used if an index record is built from a data tuple */ - ulint n_fields; /* number of fields in dtuple */ - ulint n_fields_cmp; /* number of fields which should + ulint n_fields; /*!< number of fields in dtuple */ + ulint n_fields_cmp; /*!< number of fields which should be used in comparison services of rem0cmp.*; the index search is performed by comparing only these fields, others are ignored; the default value in dtuple creation is the same value as n_fields */ - dfield_t* fields; /* fields */ + dfield_t* fields; /*!< fields */ UT_LIST_NODE_T(dtuple_t) tuple_list; - /* data tuples can be linked into a + /*!< data tuples can be linked into a list using this field */ #ifdef UNIV_DEBUG - ulint magic_n; + ulint magic_n; /*!< magic number, used in + debug assertions */ +/** Value of dtuple_struct::magic_n */ # define DATA_TUPLE_MAGIC_N 65478679 #endif /* UNIV_DEBUG */ }; -/* A slot for a field in a big rec vector */ - +/** A slot for a field in a big rec vector */ typedef struct big_rec_field_struct big_rec_field_t; +/** A slot for a field in a big rec vector */ struct big_rec_field_struct { - ulint field_no; /* field number in record */ - ulint len; /* stored data len */ - const void* data; /* stored data */ + ulint field_no; /*!< field number in record */ + ulint len; /*!< stored data length, in bytes */ + const void* data; /*!< stored data */ }; -/* Storage format for overflow data in a big record, that is, a record -which needs external storage of data fields */ - +/** Storage format for overflow data in a big record, that is, a +clustered index record which needs external storage of data fields */ struct big_rec_struct { - mem_heap_t* heap; /* memory heap from which allocated */ - ulint n_fields; /* number of stored fields */ - big_rec_field_t* fields; /* stored fields */ + mem_heap_t* heap; /*!< memory heap from which + allocated */ + ulint n_fields; /*!< number of stored fields */ + big_rec_field_t*fields; /*!< stored fields */ }; #ifndef UNIV_NONINL diff --git a/include/data0data.ic b/include/data0data.ic index 8f89d59bf53..da79aa33702 100644 --- a/include/data0data.ic +++ b/include/data0data.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/data0data.ic SQL data field and tuple Created 5/30/1994 Heikki Tuuri @@ -26,9 +27,12 @@ Created 5/30/1994 Heikki Tuuri #include "ut0rnd.h" #ifdef UNIV_DEBUG +/** Dummy variable to catch access to uninitialized fields. In the +debug version, dtuple_create() will make all fields of dtuple_t point +to data_error. */ extern byte data_error; -/************************************************************************* +/*********************************************************************//** Gets pointer to the type struct of SQL data field. @return pointer to the type struct */ UNIV_INLINE @@ -43,7 +47,7 @@ dfield_get_type( } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Sets the type struct of SQL data field. */ UNIV_INLINE void @@ -58,7 +62,7 @@ dfield_set_type( } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets pointer to the data in a field. @return pointer to data */ UNIV_INLINE @@ -75,7 +79,7 @@ dfield_get_data( } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Gets length of field data. @return length of data; UNIV_SQL_NULL if SQL null data */ UNIV_INLINE @@ -91,7 +95,7 @@ dfield_get_len( return(field->len); } -/************************************************************************* +/*********************************************************************//** Sets length in a field. */ UNIV_INLINE void @@ -109,7 +113,7 @@ dfield_set_len( field->len = len; } -/************************************************************************* +/*********************************************************************//** Determines if a field is SQL NULL @return nonzero if SQL null data */ UNIV_INLINE @@ -123,7 +127,7 @@ dfield_is_null( return(field->len == UNIV_SQL_NULL); } -/************************************************************************* +/*********************************************************************//** Determines if a field is externally stored @return nonzero if externally stored */ UNIV_INLINE @@ -137,7 +141,7 @@ dfield_is_ext( return(UNIV_UNLIKELY(field->ext)); } -/************************************************************************* +/*********************************************************************//** Sets the "external storage" flag */ UNIV_INLINE void @@ -150,7 +154,7 @@ dfield_set_ext( field->ext = 1; } -/************************************************************************* +/*********************************************************************//** Sets pointer to the data and length in a field. */ UNIV_INLINE void @@ -170,7 +174,7 @@ dfield_set_data( field->len = len; } -/************************************************************************* +/*********************************************************************//** Sets a data field to SQL NULL. */ UNIV_INLINE void @@ -181,7 +185,7 @@ dfield_set_null( dfield_set_data(field, NULL, UNIV_SQL_NULL); } -/************************************************************************* +/*********************************************************************//** Copies the data and len fields. */ UNIV_INLINE void @@ -197,7 +201,7 @@ dfield_copy_data( field1->ext = field2->ext; } -/************************************************************************* +/*********************************************************************//** Copies a data field to another. */ UNIV_INLINE void @@ -209,7 +213,7 @@ dfield_copy( *field1 = *field2; } -/************************************************************************* +/*********************************************************************//** Copies the data pointed to by a data field. */ UNIV_INLINE void @@ -224,7 +228,7 @@ dfield_dup( } } -/************************************************************************* +/*********************************************************************//** Tests if data length and content is equal for two dfields. @return TRUE if equal */ UNIV_INLINE @@ -243,7 +247,7 @@ dfield_datas_are_binary_equal( || !memcmp(field1->data, field2->data, len))); } -/************************************************************************* +/*********************************************************************//** Gets info bits in a data tuple. @return info bits */ UNIV_INLINE @@ -257,7 +261,7 @@ dtuple_get_info_bits( return(tuple->info_bits); } -/************************************************************************* +/*********************************************************************//** Sets info bits in a data tuple. */ UNIV_INLINE void @@ -271,7 +275,7 @@ dtuple_set_info_bits( tuple->info_bits = info_bits; } -/************************************************************************* +/*********************************************************************//** Gets number of fields used in record comparisons. @return number of fields used in comparisons in rem0cmp.* */ UNIV_INLINE @@ -285,7 +289,7 @@ dtuple_get_n_fields_cmp( return(tuple->n_fields_cmp); } -/************************************************************************* +/*********************************************************************//** Sets number of fields used in record comparisons. */ UNIV_INLINE void @@ -301,7 +305,7 @@ dtuple_set_n_fields_cmp( tuple->n_fields_cmp = n_fields_cmp; } -/************************************************************************* +/*********************************************************************//** Gets number of fields in a data tuple. @return number of fields */ UNIV_INLINE @@ -316,7 +320,7 @@ dtuple_get_n_fields( } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Gets nth field of a tuple. @return nth field */ UNIV_INLINE @@ -333,7 +337,7 @@ dtuple_get_nth_field( } #endif /* UNIV_DEBUG */ -/************************************************************** +/**********************************************************//** Creates a data tuple to a memory heap. The default value for number of fields used in record comparisons for this tuple is n_fields. @return own: created tuple */ @@ -378,7 +382,7 @@ dtuple_create( return(tuple); } -/************************************************************** +/**********************************************************//** Wrap data fields in a tuple. The default value for number of fields used in record comparisons for this tuple is n_fields. @return data tuple */ @@ -398,7 +402,7 @@ dtuple_from_fields( return(tuple); } -/************************************************************************* +/*********************************************************************//** Copies a data tuple to another. This is a shallow copy; if a deep copy is desired, dfield_dup() will have to be invoked on each field. @return own: copy of tuple */ @@ -422,7 +426,7 @@ dtuple_copy( return(new_tuple); } -/************************************************************** +/**********************************************************//** The following function returns the sum of data lengths of a tuple. The space occupied by the field structs or the tuple struct is not counted. Neither is possible space in externally stored parts of the field. @@ -461,7 +465,7 @@ dtuple_get_data_size( return(sum); } -/************************************************************************* +/*********************************************************************//** Computes the number of externally stored fields in a data tuple. @return number of externally stored fields */ UNIV_INLINE @@ -485,7 +489,7 @@ dtuple_get_n_ext( return(n_ext); } -/*********************************************************************** +/*******************************************************************//** Sets types of fields binary in a tuple. */ UNIV_INLINE void @@ -503,7 +507,7 @@ dtuple_set_types_binary( } } -/**************************************************************** +/************************************************************//** Folds a prefix given as the number of fields of a tuple. @return the folded value */ UNIV_INLINE @@ -559,7 +563,7 @@ dtuple_fold( return(fold); } -/************************************************************************** +/**********************************************************************//** Writes an SQL null field full of zeros. */ UNIV_INLINE void @@ -571,7 +575,7 @@ data_write_sql_null( memset(data, 0, len); } -/************************************************************************** +/**********************************************************************//** Checks if a dtuple contains an SQL null value. @return TRUE if some field is SQL null */ UNIV_INLINE @@ -595,7 +599,7 @@ dtuple_contains_null( return(FALSE); } -/****************************************************************** +/**************************************************************//** Frees the memory in a big rec vector. */ UNIV_INLINE void diff --git a/include/data0type.h b/include/data0type.h index b2f9c5a5021..a73bed3a9f5 100644 --- a/include/data0type.h +++ b/include/data0type.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/data0type.h Data types Created 1/16/1996 Heikki Tuuri @@ -168,7 +169,7 @@ store the charset-collation number; one byte is left unused, though */ #define DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE 6 #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Gets the MySQL type code from a dtype. @return MySQL type code; this is NOT an InnoDB type code! */ UNIV_INLINE @@ -176,7 +177,7 @@ ulint dtype_get_mysql_type( /*=================*/ const dtype_t* type); /*!< in: type struct */ -/************************************************************************* +/*********************************************************************//** Determine how many bytes the first n characters of the given string occupy. If the string is shorter than n characters, returns the number of bytes the characters in the string occupy. @@ -197,7 +198,7 @@ dtype_get_at_most_n_mbchars( const char* str); /*!< in: the string whose prefix length is being determined */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Checks if a data main type is a string type. Also a BLOB is considered a string type. @return TRUE if string type */ @@ -206,7 +207,7 @@ ibool dtype_is_string_type( /*=================*/ ulint mtype); /*!< in: InnoDB main data type code: DATA_CHAR, ... */ -/************************************************************************* +/*********************************************************************//** Checks if a type is a binary string type. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For those DATA_BLOB columns this function currently returns FALSE. @@ -217,7 +218,7 @@ dtype_is_binary_string_type( /*========================*/ ulint mtype, /*!< in: main data type */ ulint prtype);/*!< in: precise type */ -/************************************************************************* +/*********************************************************************//** Checks if a type is a non-binary string type. That is, dtype_is_string_type is TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. @@ -229,7 +230,7 @@ dtype_is_non_binary_string_type( /*============================*/ ulint mtype, /*!< in: main data type */ ulint prtype);/*!< in: precise type */ -/************************************************************************* +/*********************************************************************//** Sets a data type structure. */ UNIV_INLINE void @@ -239,7 +240,7 @@ dtype_set( ulint mtype, /*!< in: main data type */ ulint prtype, /*!< in: precise type */ ulint len); /*!< in: precision of type */ -/************************************************************************* +/*********************************************************************//** Copies a data type structure. */ UNIV_INLINE void @@ -247,7 +248,7 @@ dtype_copy( /*=======*/ dtype_t* type1, /*!< in: type struct to copy to */ const dtype_t* type2); /*!< in: type struct to copy from */ -/************************************************************************* +/*********************************************************************//** Gets the SQL main data type. @return SQL main data type */ UNIV_INLINE @@ -255,7 +256,7 @@ ulint dtype_get_mtype( /*============*/ const dtype_t* type); /*!< in: data type */ -/************************************************************************* +/*********************************************************************//** Gets the precise data type. @return precise data type */ UNIV_INLINE @@ -264,7 +265,7 @@ dtype_get_prtype( /*=============*/ const dtype_t* type); /*!< in: data type */ #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Compute the mbminlen and mbmaxlen members of a data type structure. */ UNIV_INLINE void @@ -276,16 +277,18 @@ dtype_get_mblen( multi-byte character */ ulint* mbmaxlen); /*!< out: maximum length of a multi-byte character */ -/************************************************************************* -Gets the MySQL charset-collation code for MySQL string types. */ +/*********************************************************************//** +Gets the MySQL charset-collation code for MySQL string types. +@return MySQL charset-collation code */ UNIV_INLINE ulint dtype_get_charset_coll( /*===================*/ ulint prtype);/*!< in: precise data type */ -/************************************************************************* +/*********************************************************************//** Forms a precise type from the < 4.1.2 format precise type plus the -charset-collation code. */ +charset-collation code. +@return precise type, including the charset-collation code */ UNIV_INTERN ulint dtype_form_prtype( @@ -293,7 +296,7 @@ dtype_form_prtype( ulint old_prtype, /*!< in: the MySQL type code and the flags DATA_BINARY_TYPE etc. */ ulint charset_coll); /*!< in: MySQL charset-collation code */ -/************************************************************************* +/*********************************************************************//** Determines if a MySQL string type is a subset of UTF-8. This function may return false negatives, in case further character-set collation codes are introduced in MySQL later. @@ -304,7 +307,7 @@ dtype_is_utf8( /*==========*/ ulint prtype);/*!< in: precise data type */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Gets the type length. @return fixed length of the type, in bytes, or 0 if variable-length */ UNIV_INLINE @@ -313,23 +316,25 @@ dtype_get_len( /*==========*/ const dtype_t* type); /*!< in: data type */ #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Gets the minimum length of a character, in bytes. -@return minimum length of a char, in bytes, or 0 if this is not a character type */ +@return minimum length of a char, in bytes, or 0 if this is not a +character type */ UNIV_INLINE ulint dtype_get_mbminlen( /*===============*/ const dtype_t* type); /*!< in: type */ -/************************************************************************* +/*********************************************************************//** Gets the maximum length of a character, in bytes. -@return maximum length of a char, in bytes, or 0 if this is not a character type */ +@return maximum length of a char, in bytes, or 0 if this is not a +character type */ UNIV_INLINE ulint dtype_get_mbmaxlen( /*===============*/ const dtype_t* type); /*!< in: type */ -/************************************************************************* +/*********************************************************************//** Gets the padding character code for the type. @return padding character code, or ULINT_UNDEFINED if no padding specified */ UNIV_INLINE @@ -339,7 +344,7 @@ dtype_get_pad_char( ulint mtype, /*!< in: main type */ ulint prtype); /*!< in: precise type */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Returns the size of a fixed size data type, 0 if not a fixed size type. @return fixed size, or 0 */ UNIV_INLINE @@ -353,7 +358,7 @@ dtype_get_fixed_size_low( ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Returns the minimum size of a data type. @return minimum size */ UNIV_INLINE @@ -365,7 +370,7 @@ dtype_get_min_size_low( ulint len, /*!< in: length */ ulint mbminlen, /*!< in: minimum length of a multibyte char */ ulint mbmaxlen); /*!< in: maximum length of a multibyte char */ -/*************************************************************************** +/***********************************************************************//** Returns the maximum size of a data type. Note: types in system tables may be incomplete and return incorrect information. @return maximum size */ @@ -376,7 +381,7 @@ dtype_get_max_size_low( ulint mtype, /*!< in: main type */ ulint len); /*!< in: length */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. For fixed length types it is the fixed length of the type, otherwise 0. @return SQL null storage size in ROW_FORMAT=REDUNDANT */ @@ -387,7 +392,7 @@ dtype_get_sql_null_size( const dtype_t* type, /*!< in: type */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Reads to a type the stored information which determines its alphabetical ordering and the storage size of an SQL NULL value. */ UNIV_INLINE @@ -396,7 +401,7 @@ dtype_read_for_order_and_null_size( /*===============================*/ dtype_t* type, /*!< in: type struct */ const byte* buf); /*!< in: buffer for the stored order info */ -/************************************************************************** +/**********************************************************************//** Stores for a type the information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the >= 4.1.x storage format. */ @@ -410,7 +415,7 @@ dtype_new_store_for_order_and_null_size( const dtype_t* type, /*!< in: type struct */ ulint prefix_len);/*!< in: prefix length to replace type->len, or 0 */ -/************************************************************************** +/**********************************************************************//** Reads to a type the stored information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the 4.1.x storage format. */ @@ -422,7 +427,7 @@ dtype_new_read_for_order_and_null_size( const byte* buf); /*!< in: buffer for stored type order info */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Validates a data type structure. @return TRUE if ok */ UNIV_INTERN @@ -430,7 +435,7 @@ ibool dtype_validate( /*===========*/ const dtype_t* type); /*!< in: type struct to validate */ -/************************************************************************* +/*********************************************************************//** Prints a data type structure. */ UNIV_INTERN void @@ -447,8 +452,8 @@ dtype_new_read_for_order_and_null_size() sym_tab_add_null_lit() */ struct dtype_struct{ - unsigned mtype:8; /* main data type */ - unsigned prtype:24; /* precise type; MySQL data + unsigned mtype:8; /*!< main data type */ + unsigned prtype:24; /*!< precise type; MySQL data type, charset code, flags to indicate nullability, signedness, whether this is a @@ -458,7 +463,7 @@ struct dtype_struct{ /* the remaining fields do not affect alphabetical ordering: */ - unsigned len:16; /* length; for MySQL data this + unsigned len:16; /*!< length; for MySQL data this is field->pack_length(), except that for a >= 5.0.3 type true VARCHAR this is the @@ -467,9 +472,9 @@ struct dtype_struct{ the string, MySQL uses 1 or 2 bytes to store the string length) */ #ifndef UNIV_HOTBACKUP - unsigned mbminlen:2; /* minimum length of a + unsigned mbminlen:2; /*!< minimum length of a character, in bytes */ - unsigned mbmaxlen:3; /* maximum length of a + unsigned mbmaxlen:3; /*!< maximum length of a character, in bytes */ #endif /* !UNIV_HOTBACKUP */ }; diff --git a/include/data0type.ic b/include/data0type.ic index be720358768..240b4288f39 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/data0type.ic Data types Created 1/16/1996 Heikki Tuuri @@ -26,8 +27,9 @@ Created 1/16/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP # include "ha_prototypes.h" -/************************************************************************* -Gets the MySQL charset-collation code for MySQL string types. */ +/*********************************************************************//** +Gets the MySQL charset-collation code for MySQL string types. +@return MySQL charset-collation code */ UNIV_INLINE ulint dtype_get_charset_coll( @@ -37,7 +39,7 @@ dtype_get_charset_coll( return((prtype >> 16) & 0xFFUL); } -/************************************************************************* +/*********************************************************************//** Determines if a MySQL string type is a subset of UTF-8. This function may return false negatives, in case further character-set collation codes are introduced in MySQL later. @@ -62,7 +64,7 @@ dtype_is_utf8( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Gets the MySQL type code from a dtype. @return MySQL type code; this is NOT an InnoDB type code! */ UNIV_INLINE @@ -74,7 +76,7 @@ dtype_get_mysql_type( return(type->prtype & 0xFFUL); } -/************************************************************************* +/*********************************************************************//** Compute the mbminlen and mbmaxlen members of a data type structure. */ UNIV_INLINE void @@ -98,7 +100,7 @@ dtype_get_mblen( } } -/************************************************************************* +/*********************************************************************//** Compute the mbminlen and mbmaxlen members of a data type structure. */ UNIV_INLINE void @@ -119,7 +121,7 @@ dtype_set_mblen( # define dtype_set_mblen(type) (void) 0 #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Sets a data type structure. */ UNIV_INLINE void @@ -140,7 +142,7 @@ dtype_set( dtype_set_mblen(type); } -/************************************************************************* +/*********************************************************************//** Copies a data type structure. */ UNIV_INLINE void @@ -154,7 +156,7 @@ dtype_copy( ut_ad(dtype_validate(type1)); } -/************************************************************************* +/*********************************************************************//** Gets the SQL main data type. @return SQL main data type */ UNIV_INLINE @@ -168,7 +170,7 @@ dtype_get_mtype( return(type->mtype); } -/************************************************************************* +/*********************************************************************//** Gets the precise data type. @return precise data type */ UNIV_INLINE @@ -182,7 +184,7 @@ dtype_get_prtype( return(type->prtype); } -/************************************************************************* +/*********************************************************************//** Gets the type length. @return fixed length of the type, in bytes, or 0 if variable-length */ UNIV_INLINE @@ -197,9 +199,10 @@ dtype_get_len( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Gets the minimum length of a character, in bytes. -@return minimum length of a char, in bytes, or 0 if this is not a character type */ +@return minimum length of a char, in bytes, or 0 if this is not a +character type */ UNIV_INLINE ulint dtype_get_mbminlen( @@ -209,9 +212,10 @@ dtype_get_mbminlen( ut_ad(type); return(type->mbminlen); } -/************************************************************************* +/*********************************************************************//** Gets the maximum length of a character, in bytes. -@return maximum length of a char, in bytes, or 0 if this is not a character type */ +@return maximum length of a char, in bytes, or 0 if this is not a +character type */ UNIV_INLINE ulint dtype_get_mbmaxlen( @@ -222,7 +226,7 @@ dtype_get_mbmaxlen( return(type->mbmaxlen); } -/************************************************************************* +/*********************************************************************//** Gets the padding character code for a type. @return padding character code, or ULINT_UNDEFINED if no padding specified */ UNIV_INLINE @@ -261,7 +265,7 @@ dtype_get_pad_char( } } -/************************************************************************** +/**********************************************************************//** Stores for a type the information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the >= 4.1.x storage format. */ @@ -306,7 +310,7 @@ dtype_new_store_for_order_and_null_size( } } -/************************************************************************** +/**********************************************************************//** Reads to a type the stored information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the < 4.1.x storage format. */ @@ -335,7 +339,7 @@ dtype_read_for_order_and_null_size( dtype_set_mblen(type); } -/************************************************************************** +/**********************************************************************//** Reads to a type the stored information which determines its alphabetical ordering and the storage size of an SQL NULL value. This is the >= 4.1.x storage format. */ @@ -386,7 +390,7 @@ dtype_new_read_for_order_and_null_size( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Returns the size of a fixed size data type, 0 if not a fixed size type. @return fixed size, or 0 */ UNIV_INLINE @@ -481,7 +485,7 @@ dtype_get_fixed_size_low( } #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Returns the minimum size of a data type. @return minimum size */ UNIV_INLINE @@ -540,7 +544,7 @@ dtype_get_min_size_low( return(0); } -/*************************************************************************** +/***********************************************************************//** Returns the maximum size of a data type. Note: types in system tables may be incomplete and return incorrect information. @return maximum size */ @@ -574,7 +578,7 @@ dtype_get_max_size_low( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. For fixed length types it is the fixed length of the type, otherwise 0. @return SQL null storage size in ROW_FORMAT=REDUNDANT */ diff --git a/include/data0types.h b/include/data0types.h index 9e536478d68..04e835bc401 100644 --- a/include/data0types.h +++ b/include/data0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/data0types.h Some type definitions Created 9/21/2000 Heikki Tuuri diff --git a/include/db0err.h b/include/db0err.h index d6d2a9785a5..23898583b72 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/db0err.h Global error codes for the database Created 5/24/1996 Heikki Tuuri diff --git a/include/dict0boot.h b/include/dict0boot.h index 85937524bd5..51d37ee98d1 100644 --- a/include/dict0boot.h +++ b/include/dict0boot.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0boot.h Data dictionary creation and booting Created 4/18/1996 Heikki Tuuri @@ -36,7 +37,7 @@ Created 4/18/1996 Heikki Tuuri typedef byte dict_hdr_t; -/************************************************************************** +/**********************************************************************//** Gets a pointer to the dictionary header and x-latches its page. @return pointer to the dictionary header, page x-latched */ UNIV_INTERN @@ -44,7 +45,7 @@ dict_hdr_t* dict_hdr_get( /*=========*/ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Returns a new row, table, index, or tree id. @return the new id */ UNIV_INTERN @@ -52,14 +53,14 @@ dulint dict_hdr_get_new_id( /*================*/ ulint type); /*!< in: DICT_HDR_ROW_ID, ... */ -/************************************************************************** +/**********************************************************************//** Returns a new row id. @return the new id */ UNIV_INLINE dulint dict_sys_get_new_row_id(void); /*=========================*/ -/************************************************************************** +/**********************************************************************//** Reads a row id from a record or other 6-byte stored form. @return row id */ UNIV_INLINE @@ -67,7 +68,7 @@ dulint dict_sys_read_row_id( /*=================*/ byte* field); /*!< in: record field */ -/************************************************************************** +/**********************************************************************//** Writes a row id to a record or other 6-byte stored form. */ UNIV_INLINE void @@ -75,14 +76,14 @@ dict_sys_write_row_id( /*==================*/ byte* field, /*!< in: record field */ dulint row_id);/*!< in: row id */ -/********************************************************************* +/*****************************************************************//** Initializes the data dictionary memory structures when the database is started. This function is also called when the data dictionary is created. */ UNIV_INTERN void dict_boot(void); /*===========*/ -/********************************************************************* +/*****************************************************************//** Creates and initializes the data dictionary at the database creation. */ UNIV_INTERN void diff --git a/include/dict0boot.ic b/include/dict0boot.ic index 4cade4c9c0b..d5f372e38c4 100644 --- a/include/dict0boot.ic +++ b/include/dict0boot.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0boot.ic Data dictionary creation and booting Created 4/18/1996 Heikki Tuuri *******************************************************/ -/************************************************************************** +/**********************************************************************//** Writes the current value of the row id counter to the dictionary header file page. */ UNIV_INTERN @@ -31,7 +32,7 @@ dict_hdr_flush_row_id(void); /*=======================*/ -/************************************************************************** +/**********************************************************************//** Returns a new row id. @return the new id */ UNIV_INLINE @@ -57,7 +58,7 @@ dict_sys_get_new_row_id(void) return(id); } -/************************************************************************** +/**********************************************************************//** Reads a row id from a record or other 6-byte stored form. @return row id */ UNIV_INLINE @@ -73,7 +74,7 @@ dict_sys_read_row_id( return(mach_read_from_6(field)); } -/************************************************************************** +/**********************************************************************//** Writes a row id to a record or other 6-byte stored form. */ UNIV_INLINE void diff --git a/include/dict0crea.h b/include/dict0crea.h index 3c70ec4a1a6..3107d771d88 100644 --- a/include/dict0crea.h +++ b/include/dict0crea.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0crea.h Database object creation Created 1/8/1996 Heikki Tuuri @@ -32,7 +33,7 @@ Created 1/8/1996 Heikki Tuuri #include "row0types.h" #include "mtr0mtr.h" -/************************************************************************* +/*********************************************************************//** Creates a table create graph. @return own: table create node */ UNIV_INTERN @@ -42,7 +43,7 @@ tab_create_graph_create( dict_table_t* table, /*!< in: table to create, built as a memory data structure */ mem_heap_t* heap); /*!< in: heap where created */ -/************************************************************************* +/*********************************************************************//** Creates an index create graph. @return own: index create node */ UNIV_INTERN @@ -52,7 +53,7 @@ ind_create_graph_create( dict_index_t* index, /*!< in: index to create, built as a memory data structure */ mem_heap_t* heap); /*!< in: heap where created */ -/*************************************************************** +/***********************************************************//** Creates a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ UNIV_INTERN @@ -60,7 +61,7 @@ que_thr_t* dict_create_table_step( /*===================*/ que_thr_t* thr); /*!< in: query thread */ -/*************************************************************** +/***********************************************************//** Creates an index. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -69,7 +70,7 @@ que_thr_t* dict_create_index_step( /*===================*/ que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************** +/*******************************************************************//** Truncates the index tree associated with a row in SYS_INDEXES table. @return new root page number, or FIL_NULL on failure */ UNIV_INTERN @@ -87,7 +88,7 @@ dict_truncate_index_tree( mtr_t* mtr); /*!< in: mtr having the latch on the record page. The mtr may be committed and restarted in this call. */ -/*********************************************************************** +/*******************************************************************//** Drops the index tree associated with a row in SYS_INDEXES table. */ UNIV_INTERN void @@ -96,7 +97,7 @@ dict_drop_index_tree( rec_t* rec, /*!< in/out: record in the clustered index of SYS_INDEXES table */ mtr_t* mtr); /*!< in: mtr having the latch on the record page */ -/******************************************************************** +/****************************************************************//** Creates the foreign key constraints system tables inside InnoDB at database creation or database start if they are not found or are not of the right form. @@ -105,7 +106,7 @@ UNIV_INTERN ulint dict_create_or_check_foreign_constraint_tables(void); /*================================================*/ -/************************************************************************ +/********************************************************************//** Adds foreign key definitions to data dictionary tables in the database. We look at table->foreign_list, and also generate names to constraints that were not named by the user. A generated constraint has a name of the format @@ -131,8 +132,8 @@ dict_create_add_foreigns_to_dictionary( /* Table create node structure */ struct tab_node_struct{ - que_common_t common; /* node type: QUE_NODE_TABLE_CREATE */ - dict_table_t* table; /* table to create, built as a memory data + que_common_t common; /*!< node type: QUE_NODE_TABLE_CREATE */ + dict_table_t* table; /*!< table to create, built as a memory data structure with dict_mem_... functions */ ins_node_t* tab_def; /* child node which does the insert of the table definition; the row to be inserted @@ -145,9 +146,9 @@ struct tab_node_struct{ a successful table creation */ /*----------------------*/ /* Local storage for this graph node */ - ulint state; /* node execution state */ - ulint col_no; /* next column definition to insert */ - mem_heap_t* heap; /* memory heap used as auxiliary storage */ + ulint state; /*!< node execution state */ + ulint col_no; /*!< next column definition to insert */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ }; /* Table create node states */ @@ -160,8 +161,8 @@ struct tab_node_struct{ /* Index create node struct */ struct ind_node_struct{ - que_common_t common; /* node type: QUE_NODE_INDEX_CREATE */ - dict_index_t* index; /* index to create, built as a memory data + que_common_t common; /*!< node type: QUE_NODE_INDEX_CREATE */ + dict_index_t* index; /*!< index to create, built as a memory data structure with dict_mem_... functions */ ins_node_t* ind_def; /* child node which does the insert of the index definition; the row to be inserted @@ -174,12 +175,12 @@ struct ind_node_struct{ a successful index creation */ /*----------------------*/ /* Local storage for this graph node */ - ulint state; /* node execution state */ + ulint state; /*!< node execution state */ ulint page_no;/* root page number of the index */ - dict_table_t* table; /* table which owns the index */ + dict_table_t* table; /*!< table which owns the index */ dtuple_t* ind_row;/* index definition row built */ ulint field_no;/* next field definition to insert */ - mem_heap_t* heap; /* memory heap used as auxiliary storage */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ }; /* Index create node states */ diff --git a/include/dict0crea.ic b/include/dict0crea.ic index b05385fa121..c5365ce7489 100644 --- a/include/dict0crea.ic +++ b/include/dict0crea.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0crea.ic Database object creation Created 1/8/1996 Heikki Tuuri diff --git a/include/dict0dict.h b/include/dict0dict.h index c90ca68c631..b2029699e51 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0dict.h Data dictionary system Created 1/8/1996 Heikki Tuuri @@ -42,14 +43,14 @@ Created 1/8/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP # include "sync0sync.h" # include "sync0rw.h" -/********************************************************************** +/******************************************************************//** Makes all characters in a NUL-terminated UTF-8 string lower case. */ UNIV_INTERN void dict_casedn_str( /*============*/ char* a); /*!< in/out: string to put in lower case */ -/************************************************************************ +/********************************************************************//** Get the database name length in a table name. @return database name length */ UNIV_INTERN @@ -58,7 +59,7 @@ dict_get_db_name_len( /*=================*/ const char* name); /*!< in: table name in the form dbname '/' tablename */ -/************************************************************************ +/********************************************************************//** Return the end of table name where we have removed dbname and '/'. @return table name */ @@ -67,7 +68,7 @@ dict_remove_db_name( /*================*/ const char* name); /*!< in: table name in the form dbname '/' tablename */ -/************************************************************************** +/**********************************************************************//** Returns a table object based on table id. @return table, NULL if does not exist */ UNIV_INTERN @@ -76,7 +77,7 @@ dict_table_get_on_id( /*=================*/ dulint table_id, /*!< in: table id */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************ +/********************************************************************//** Decrements the count of open MySQL handles to a table. */ UNIV_INTERN void @@ -84,13 +85,13 @@ dict_table_decrement_handle_count( /*==============================*/ dict_table_t* table, /*!< in/out: table */ ibool dict_locked); /*!< in: TRUE=data dictionary locked */ -/************************************************************************** +/**********************************************************************//** Inits the data dictionary module. */ UNIV_INTERN void dict_init(void); /*===========*/ -/************************************************************************ +/********************************************************************//** Gets the space id of every table of the data dictionary and makes a linear list and a hash table of them to the data dictionary cache. This function can be called at database startup if we did not need to do a crash recovery. @@ -100,7 +101,7 @@ UNIV_INTERN void dict_load_space_id_list(void); /*=========================*/ -/************************************************************************* +/*********************************************************************//** Gets the column data type. */ UNIV_INLINE void @@ -110,7 +111,7 @@ dict_col_copy_type( dtype_t* type); /*!< out: data type */ #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Assert that a column and a data type match. @return TRUE */ UNIV_INLINE @@ -121,7 +122,7 @@ dict_col_type_assert_equal( const dtype_t* type); /*!< in: data type */ #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Returns the minimum size of the column. @return minimum size */ UNIV_INLINE @@ -129,7 +130,7 @@ ulint dict_col_get_min_size( /*==================*/ const dict_col_t* col); /*!< in: column */ -/*************************************************************************** +/***********************************************************************//** Returns the maximum size of the column. @return maximum size */ UNIV_INLINE @@ -137,7 +138,7 @@ ulint dict_col_get_max_size( /*==================*/ const dict_col_t* col); /*!< in: column */ -/*************************************************************************** +/***********************************************************************//** Returns the size of a fixed size column, 0 if not a fixed size column. @return fixed size, or 0 */ UNIV_INLINE @@ -146,7 +147,7 @@ dict_col_get_fixed_size( /*====================*/ const dict_col_t* col, /*!< in: column */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -/*************************************************************************** +/***********************************************************************//** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. For fixed length types it is the fixed length of the type, otherwise 0. @return SQL null storage size in ROW_FORMAT=REDUNDANT */ @@ -157,7 +158,7 @@ dict_col_get_sql_null_size( const dict_col_t* col, /*!< in: column */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -/************************************************************************* +/*********************************************************************//** Gets the column number. @return col->ind, table column position (starting from 0) */ UNIV_INLINE @@ -165,7 +166,7 @@ ulint dict_col_get_no( /*============*/ const dict_col_t* col); /*!< in: column */ -/************************************************************************* +/*********************************************************************//** Gets the column position in the clustered index. */ UNIV_INLINE ulint @@ -173,7 +174,7 @@ dict_col_get_clust_pos( /*===================*/ const dict_col_t* col, /*!< in: table column */ const dict_index_t* clust_index); /*!< in: clustered index */ -/******************************************************************** +/****************************************************************//** If the given column name is reserved for InnoDB system columns, return TRUE. @return TRUE if name is reserved */ @@ -182,14 +183,14 @@ ibool dict_col_name_is_reserved( /*======================*/ const char* name); /*!< in: column name */ -/************************************************************************ +/********************************************************************//** Acquire the autoinc lock. */ UNIV_INTERN void dict_table_autoinc_lock( /*====================*/ dict_table_t* table); /*!< in/out: table */ -/************************************************************************ +/********************************************************************//** Unconditionally set the autoinc counter. */ UNIV_INTERN void @@ -197,7 +198,7 @@ dict_table_autoinc_initialize( /*==========================*/ dict_table_t* table, /*!< in/out: table */ ib_uint64_t value); /*!< in: next value to assign to a row */ -/************************************************************************ +/********************************************************************//** Reads the next autoinc value (== autoinc counter value), 0 if not yet initialized. @return value for a new row, or 0 */ @@ -206,7 +207,7 @@ ib_uint64_t dict_table_autoinc_read( /*====================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Updates the autoinc counter if the value supplied is greater than the current value. */ UNIV_INTERN @@ -216,7 +217,7 @@ dict_table_autoinc_update_if_greater( dict_table_t* table, /*!< in/out: table */ ib_uint64_t value); /*!< in: value which was assigned to a row */ -/************************************************************************ +/********************************************************************//** Release the autoinc lock. */ UNIV_INTERN void @@ -224,7 +225,7 @@ dict_table_autoinc_unlock( /*======================*/ dict_table_t* table); /*!< in/out: table */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Adds system columns to a table object. */ UNIV_INTERN void @@ -233,7 +234,7 @@ dict_table_add_system_columns( dict_table_t* table, /*!< in/out: table */ mem_heap_t* heap); /*!< in: temporary heap */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Adds a table object to the dictionary cache. */ UNIV_INTERN void @@ -241,14 +242,14 @@ dict_table_add_to_cache( /*====================*/ dict_table_t* table, /*!< in: table */ mem_heap_t* heap); /*!< in: temporary heap */ -/************************************************************************** +/**********************************************************************//** Removes a table object from the dictionary cache. */ UNIV_INTERN void dict_table_remove_from_cache( /*=========================*/ dict_table_t* table); /*!< in, own: table */ -/************************************************************************** +/**********************************************************************//** Renames a table object. @return TRUE if success */ UNIV_INTERN @@ -260,7 +261,7 @@ dict_table_rename_in_cache( ibool rename_also_foreigns);/*!< in: in ALTER TABLE we want to preserve the original table name in constraints which reference it */ -/************************************************************************** +/**********************************************************************//** Removes an index from the dictionary cache. */ UNIV_INTERN void @@ -268,7 +269,7 @@ dict_index_remove_from_cache( /*=========================*/ dict_table_t* table, /*!< in/out: table */ dict_index_t* index); /*!< in, own: index */ -/************************************************************************** +/**********************************************************************//** Change the id of a table object in the dictionary cache. This is used in DISCARD TABLESPACE. */ UNIV_INTERN @@ -277,7 +278,7 @@ dict_table_change_id_in_cache( /*==========================*/ dict_table_t* table, /*!< in/out: table object already in cache */ dulint new_id);/*!< in: new id to set */ -/************************************************************************** +/**********************************************************************//** Adds a foreign key constraint object to the dictionary cache. May free the object if there already is an object with the same identifier in. At least one of foreign table or referenced table must already be in @@ -290,17 +291,18 @@ dict_foreign_add_to_cache( dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ ibool check_charsets);/*!< in: TRUE=check charset compatibility */ -/************************************************************************* +/*********************************************************************//** Check if the index is referenced by a foreign key, if TRUE return the matching instance NULL otherwise. -@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_referenced_constraint( /*=================================*/ dict_table_t* table, /*!< in: InnoDB table */ dict_index_t* index); /*!< in: InnoDB index */ -/************************************************************************* +/*********************************************************************//** Checks if a table is referenced by foreign keys. @return TRUE if table is referenced by a foreign key */ UNIV_INTERN @@ -308,7 +310,7 @@ ibool dict_table_is_referenced_by_foreign_key( /*====================================*/ const dict_table_t* table); /*!< in: InnoDB table */ -/************************************************************************** +/**********************************************************************//** Replace the index in the foreign key list that matches this index's definition with an equivalent index. */ UNIV_INTERN @@ -317,18 +319,19 @@ dict_table_replace_index_in_foreign_list( /*=====================================*/ dict_table_t* table, /*!< in/out: table */ dict_index_t* index); /*!< in: index to be replaced */ -/************************************************************************* +/*********************************************************************//** Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key or index is a foreign key index -@return pointer to foreign key struct if index is defined for foreign key, otherwise NULL */ +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ UNIV_INTERN dict_foreign_t* dict_table_get_foreign_constraint( /*==============================*/ dict_table_t* table, /*!< in: InnoDB table */ dict_index_t* index); /*!< in: InnoDB index */ -/************************************************************************* +/*********************************************************************//** Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. @@ -355,9 +358,10 @@ dict_create_foreign_constraints( ibool reject_fks); /*!< in: if TRUE, fail with error code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ -/************************************************************************** +/**********************************************************************//** Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. -@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the constraint id does not match */ +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the +constraint id does not match */ UNIV_INTERN ulint dict_foreign_parse_drop_constraints( @@ -370,7 +374,7 @@ dict_foreign_parse_drop_constraints( to drop */ const char*** constraints_to_drop); /*!< out: id's of the constraints to drop */ -/************************************************************************** +/**********************************************************************//** Returns a table object and optionally increment its MySQL open handle count. NOTE! This is a high-level function to be used mainly from outside the 'dict' directory. Inside this directory dict_table_get_low is usually the @@ -384,7 +388,7 @@ dict_table_get( ibool inc_mysql_count); /*!< in: whether to increment the open handle count on the table */ -/************************************************************************** +/**********************************************************************//** Returns a index object, based on table and index id, and memoryfixes it. @return index, NULL if does not exist */ UNIV_INTERN @@ -393,7 +397,7 @@ dict_index_get_on_id_low( /*=====================*/ dict_table_t* table, /*!< in: table */ dulint index_id); /*!< in: index id */ -/************************************************************************** +/**********************************************************************//** Checks if a table is in the dictionary cache. @return table, NULL if not found */ @@ -402,7 +406,7 @@ dict_table_t* dict_table_check_if_in_cache_low( /*=============================*/ const char* table_name); /*!< in: table name */ -/************************************************************************** +/**********************************************************************//** Gets a table; loads it to the dictionary cache if necessary. A low-level function. @return table, NULL if not found */ @@ -411,7 +415,7 @@ dict_table_t* dict_table_get_low( /*===============*/ const char* table_name); /*!< in: table name */ -/************************************************************************** +/**********************************************************************//** Returns a table object based on table id. @return table, NULL if does not exist */ UNIV_INLINE @@ -419,7 +423,7 @@ dict_table_t* dict_table_get_on_id_low( /*=====================*/ dulint table_id); /*!< in: table id */ -/************************************************************************** +/**********************************************************************//** Find an index that is equivalent to the one passed in and is not marked for deletion. @return index equivalent to foreign->foreign_index, or NULL */ @@ -428,7 +432,7 @@ dict_index_t* dict_foreign_find_equiv_index( /*==========================*/ dict_foreign_t* foreign);/*!< in: foreign key */ -/************************************************************************** +/**********************************************************************//** Returns an index object by matching on the name and column names and if more than one index matches return the index with the max id @return matching index, NULL if not found */ @@ -440,38 +444,39 @@ dict_table_get_index_by_max_id( const char* name, /*!< in: the index name to find */ const char** columns,/*!< in: array of column names */ ulint n_cols);/*!< in: number of columns */ -/************************************************************************** +/**********************************************************************//** Returns a column's name. -@return column name. NOTE: not guaranteed to stay valid if table is modified in any way (columns added, etc.). */ - +@return column name. NOTE: not guaranteed to stay valid if table is +modified in any way (columns added, etc.). */ +UNIV_INTERN const char* dict_table_get_col_name( /*====================*/ const dict_table_t* table, /*!< in: table */ ulint col_nr);/*!< in: column number */ -/************************************************************************** +/**********************************************************************//** Prints a table definition. */ UNIV_INTERN void dict_table_print( /*=============*/ dict_table_t* table); /*!< in: table */ -/************************************************************************** +/**********************************************************************//** Prints a table data. */ UNIV_INTERN void dict_table_print_low( /*=================*/ dict_table_t* table); /*!< in: table */ -/************************************************************************** +/**********************************************************************//** Prints a table data when we know the table name. */ UNIV_INTERN void dict_table_print_by_name( /*=====================*/ const char* name); /*!< in: table name */ -/************************************************************************** +/**********************************************************************//** Outputs info on foreign keys of a table. */ UNIV_INTERN void @@ -484,7 +489,7 @@ dict_print_info_on_foreign_keys( FILE* file, /*!< in: file where to print */ trx_t* trx, /*!< in: transaction */ dict_table_t* table); /*!< in: table */ -/************************************************************************** +/**********************************************************************//** Outputs info on a foreign key of a table in a format suitable for CREATE TABLE. */ UNIV_INTERN @@ -495,7 +500,7 @@ dict_print_info_on_foreign_key_in_create_format( trx_t* trx, /*!< in: transaction */ dict_foreign_t* foreign, /*!< in: foreign key constraint */ ibool add_newline); /*!< in: whether to add a newline */ -/************************************************************************ +/********************************************************************//** Displays the names of the index and the table. */ UNIV_INTERN void @@ -505,7 +510,7 @@ dict_index_name_print( trx_t* trx, /*!< in: transaction */ const dict_index_t* index); /*!< in: index to print */ #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the first index on the table (the clustered index). @return index, NULL if none exists */ UNIV_INLINE @@ -513,7 +518,7 @@ dict_index_t* dict_table_get_first_index( /*=======================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Gets the next index on the table. @return index, NULL if none left */ UNIV_INLINE @@ -526,7 +531,7 @@ dict_table_get_next_index( # define dict_table_get_next_index(index) UT_LIST_GET_NEXT(indexes, index) #endif /* UNIV_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Check whether the index is the clustered index. @return nonzero for clustered index, zero for other indexes */ UNIV_INLINE @@ -535,7 +540,7 @@ dict_index_is_clust( /*================*/ const dict_index_t* index) /*!< in: index */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Check whether the index is unique. @return nonzero for unique index, zero for other indexes */ UNIV_INLINE @@ -544,7 +549,7 @@ dict_index_is_unique( /*=================*/ const dict_index_t* index) /*!< in: index */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Check whether the index is the insert buffer tree. @return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE @@ -553,7 +558,7 @@ dict_index_is_ibuf( /*===============*/ const dict_index_t* index) /*!< in: index */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Check whether the index is a secondary index or the insert buffer tree. @return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE @@ -563,7 +568,7 @@ dict_index_is_sec_or_ibuf( const dict_index_t* index) /*!< in: index */ __attribute__((pure)); -/************************************************************************ +/********************************************************************//** Gets the number of user-defined columns in a table in the dictionary cache. @return number of user-defined (e.g., not ROW_ID) columns of a table */ @@ -572,7 +577,7 @@ ulint dict_table_get_n_user_cols( /*=======================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Gets the number of system columns in a table in the dictionary cache. @return number of system (e.g., ROW_ID) columns of a table */ UNIV_INLINE @@ -580,7 +585,7 @@ ulint dict_table_get_n_sys_cols( /*======================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Gets the number of all columns (also system) in a table in the dictionary cache. @return number of columns of a table */ @@ -590,7 +595,7 @@ dict_table_get_n_cols( /*==================*/ const dict_table_t* table); /*!< in: table */ #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the nth column of a table. @return pointer to column object */ UNIV_INLINE @@ -599,7 +604,7 @@ dict_table_get_nth_col( /*===================*/ const dict_table_t* table, /*!< in: table */ ulint pos); /*!< in: position of column */ -/************************************************************************ +/********************************************************************//** Gets the given system column of a table. @return pointer to column object */ UNIV_INLINE @@ -614,7 +619,7 @@ dict_table_get_sys_col( #define dict_table_get_sys_col(table, sys) \ ((table)->cols + (table)->n_cols + (sys) - DATA_N_SYS_COLS) #endif /* UNIV_DEBUG */ -/************************************************************************ +/********************************************************************//** Gets the given system column number of a table. @return column number */ UNIV_INLINE @@ -624,7 +629,7 @@ dict_table_get_sys_col_no( const dict_table_t* table, /*!< in: table */ ulint sys); /*!< in: DATA_ROW_ID, ... */ #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Returns the minimum data size of an index record. @return minimum data size in bytes */ UNIV_INLINE @@ -633,7 +638,7 @@ dict_index_get_min_size( /*====================*/ const dict_index_t* index); /*!< in: index */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Check whether the table uses the compact page format. @return TRUE if table uses the compact page format */ UNIV_INLINE @@ -641,7 +646,7 @@ ibool dict_table_is_comp( /*===============*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Determine the file format of a table. @return file format version */ UNIV_INLINE @@ -649,7 +654,7 @@ ulint dict_table_get_format( /*==================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Set the file format of a table. */ UNIV_INLINE void @@ -657,7 +662,7 @@ dict_table_set_format( /*==================*/ dict_table_t* table, /*!< in/out: table */ ulint format);/*!< in: file format version */ -/************************************************************************ +/********************************************************************//** Extract the compressed page size from table flags. @return compressed page size, or 0 if not compressed */ UNIV_INLINE @@ -666,7 +671,7 @@ dict_table_flags_to_zip_size( /*=========================*/ ulint flags) /*!< in: flags */ __attribute__((const)); -/************************************************************************ +/********************************************************************//** Check whether the table uses the compressed compact page format. @return compressed page size, or 0 if not compressed */ UNIV_INLINE @@ -674,7 +679,7 @@ ulint dict_table_zip_size( /*================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************ +/********************************************************************//** Checks if a column is in the ordering columns of the clustered index of a table. Column prefixes are treated like whole columns. @return TRUE if the column, or its prefix, is in the clustered key */ @@ -685,7 +690,7 @@ dict_table_col_in_clustered_key( const dict_table_t* table, /*!< in: table */ ulint n); /*!< in: column number */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Copies types of columns contained in table to tuple and sets all fields of the tuple to the SQL NULL value. This function should be called right after dtuple_create(). */ @@ -695,7 +700,7 @@ dict_table_copy_types( /*==================*/ dtuple_t* tuple, /*!< in/out: data tuple */ const dict_table_t* table); /*!< in: table */ -/************************************************************************** +/**********************************************************************//** Looks for an index with the given id. NOTE that we do not reserve the dictionary mutex: this function is for emergency purposes like printing info of a corrupt database page! @@ -705,7 +710,7 @@ dict_index_t* dict_index_find_on_id_low( /*======================*/ dulint id); /*!< in: index id */ -/************************************************************************** +/**********************************************************************//** Adds an index to the dictionary cache. @return DB_SUCCESS or error code */ UNIV_INTERN @@ -719,7 +724,7 @@ dict_index_add_to_cache( ibool strict);/*!< in: TRUE=refuse to create the index if records could be too big to fit in an B-tree page */ -/************************************************************************** +/**********************************************************************//** Removes an index from the dictionary cache. */ UNIV_INTERN void @@ -728,7 +733,7 @@ dict_index_remove_from_cache( dict_table_t* table, /*!< in/out: table */ dict_index_t* index); /*!< in, own: index */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index, including fields added by the dictionary system. @return number of fields */ @@ -739,7 +744,7 @@ dict_index_get_n_fields( const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index that uniquely determine the position of an index entry in the index, if we do not take multiversioning into account: in the B-tree use the value @@ -751,7 +756,7 @@ dict_index_get_n_unique( /*====================*/ const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index which uniquely determine the position of an index entry in the index, if we also take multiversioning into account. @@ -762,7 +767,7 @@ dict_index_get_n_unique_in_tree( /*============================*/ const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ -/************************************************************************ +/********************************************************************//** Gets the number of user-defined ordering fields in the index. In the internal representation we add the row id to the ordering fields to make all indexes unique, but this function returns the number of fields the user defined @@ -775,7 +780,7 @@ dict_index_get_n_ordering_defined_by_user( const dict_index_t* index); /*!< in: an internal representation of index (in the dictionary cache) */ #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the nth field of an index. @return pointer to field object */ UNIV_INLINE @@ -787,7 +792,7 @@ dict_index_get_nth_field( #else /* UNIV_DEBUG */ # define dict_index_get_nth_field(index, pos) ((index)->fields + (pos)) #endif /* UNIV_DEBUG */ -/************************************************************************ +/********************************************************************//** Gets pointer to the nth column in an index. @return column */ UNIV_INLINE @@ -796,7 +801,7 @@ dict_index_get_nth_col( /*===================*/ const dict_index_t* index, /*!< in: index */ ulint pos); /*!< in: position of the field */ -/************************************************************************ +/********************************************************************//** Gets the column number of the nth field in an index. @return column number */ UNIV_INLINE @@ -805,16 +810,17 @@ dict_index_get_nth_col_no( /*======================*/ const dict_index_t* index, /*!< in: index */ ulint pos); /*!< in: position of the field */ -/************************************************************************ +/********************************************************************//** Looks for column n in an index. -@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ UNIV_INTERN ulint dict_index_get_nth_col_pos( /*=======================*/ const dict_index_t* index, /*!< in: index */ ulint n); /*!< in: column number */ -/************************************************************************ +/********************************************************************//** Returns TRUE if the index contains a column or a prefix of that column. @return TRUE if contains the column or its prefix */ UNIV_INTERN @@ -823,12 +829,13 @@ dict_index_contains_col_or_prefix( /*==============================*/ const dict_index_t* index, /*!< in: index */ ulint n); /*!< in: column number */ -/************************************************************************ +/********************************************************************//** Looks for a matching field in an index. The column has to be the same. The column in index must be complete, or must contain a prefix longer than the column in index2. That is, we must be able to construct the prefix in index2 from the prefix in index. -@return position in internal representation of the index; if not contained, returns ULINT_UNDEFINED */ +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ UNIV_INTERN ulint dict_index_get_nth_field_pos( @@ -836,7 +843,7 @@ dict_index_get_nth_field_pos( const dict_index_t* index, /*!< in: index from which to search */ const dict_index_t* index2, /*!< in: index */ ulint n); /*!< in: field number in index2 */ -/************************************************************************ +/********************************************************************//** Looks for column n position in the clustered index. @return position in internal representation of the clustered index */ UNIV_INTERN @@ -845,7 +852,7 @@ dict_table_get_nth_col_pos( /*=======================*/ const dict_table_t* table, /*!< in: table */ ulint n); /*!< in: column number */ -/************************************************************************ +/********************************************************************//** Returns the position of a system column in an index. @return position, ULINT_UNDEFINED if not contained */ UNIV_INLINE @@ -854,7 +861,7 @@ dict_index_get_sys_col_pos( /*=======================*/ const dict_index_t* index, /*!< in: index */ ulint type); /*!< in: DATA_ROW_ID, ... */ -/*********************************************************************** +/*******************************************************************//** Adds a column to index. */ UNIV_INTERN void @@ -865,7 +872,7 @@ dict_index_add_col( dict_col_t* col, /*!< in: column */ ulint prefix_len); /*!< in: column prefix length */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Copies types of fields contained in index to tuple. */ UNIV_INTERN void @@ -876,7 +883,7 @@ dict_index_copy_types( ulint n_fields); /*!< in: number of field types to copy */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Gets the field column. @return field->col, pointer to the table column */ UNIV_INLINE @@ -885,7 +892,7 @@ dict_field_get_col( /*===============*/ const dict_field_t* field); /*!< in: index field */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Returns an index object if it is found in the dictionary cache. Assumes that dict_sys->mutex is already being held. @return index, NULL if not found */ @@ -895,7 +902,7 @@ dict_index_get_if_in_cache_low( /*===========================*/ dulint index_id); /*!< in: index id */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/************************************************************************** +/**********************************************************************//** Returns an index object if it is found in the dictionary cache. @return index, NULL if not found */ UNIV_INTERN @@ -905,7 +912,7 @@ dict_index_get_if_in_cache( dulint index_id); /*!< in: index id */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Checks that a tuple has n_fields_cmp value in a sensible range, so that no comparison can occur with the page number field in a node pointer. @return TRUE if ok */ @@ -915,7 +922,7 @@ dict_index_check_search_tuple( /*==========================*/ const dict_index_t* index, /*!< in: index tree */ const dtuple_t* tuple); /*!< in: tuple used in a search */ -/************************************************************************** +/**********************************************************************//** Check for duplicate index entries in a table [using the index name] */ UNIV_INTERN void @@ -925,7 +932,7 @@ dict_table_check_for_dup_indexes( in this table */ #endif /* UNIV_DEBUG */ -/************************************************************************** +/**********************************************************************//** Builds a node pointer out of a physical record and a page number. @return own: node pointer */ UNIV_INTERN @@ -941,7 +948,7 @@ dict_index_build_node_ptr( created */ ulint level); /*!< in: level of rec in tree: 0 means leaf level */ -/************************************************************************** +/**********************************************************************//** Copies an initial segment of a physical record, long enough to specify an index entry uniquely. @return pointer to the prefix record */ @@ -956,7 +963,7 @@ dict_index_copy_rec_order_prefix( byte** buf, /*!< in/out: memory buffer for the copied prefix, or NULL */ ulint* buf_size);/*!< in/out: buffer size */ -/************************************************************************** +/**********************************************************************//** Builds a typed data tuple out of a physical record. @return own: data tuple */ UNIV_INTERN @@ -967,7 +974,7 @@ dict_index_build_data_tuple( rec_t* rec, /*!< in: record for which to build data tuple */ ulint n_fields,/*!< in: number of data fields */ mem_heap_t* heap); /*!< in: memory heap where tuple created */ -/************************************************************************* +/*********************************************************************//** Gets the space id of the root of the index tree. @return space id */ UNIV_INLINE @@ -975,7 +982,7 @@ ulint dict_index_get_space( /*=================*/ const dict_index_t* index); /*!< in: index */ -/************************************************************************* +/*********************************************************************//** Sets the space id of the root of the index tree. */ UNIV_INLINE void @@ -983,7 +990,7 @@ dict_index_set_space( /*=================*/ dict_index_t* index, /*!< in/out: index */ ulint space); /*!< in: space id */ -/************************************************************************* +/*********************************************************************//** Gets the page number of the root of the index tree. @return page number */ UNIV_INLINE @@ -991,7 +998,7 @@ ulint dict_index_get_page( /*================*/ const dict_index_t* tree); /*!< in: index */ -/************************************************************************* +/*********************************************************************//** Sets the page number of the root of index tree. */ UNIV_INLINE void @@ -999,7 +1006,7 @@ dict_index_set_page( /*================*/ dict_index_t* index, /*!< in/out: index */ ulint page); /*!< in: page number */ -/************************************************************************* +/*********************************************************************//** Gets the read-write lock of the index tree. @return read-write lock */ UNIV_INLINE @@ -1007,7 +1014,7 @@ rw_lock_t* dict_index_get_lock( /*================*/ dict_index_t* index); /*!< in: index */ -/************************************************************************ +/********************************************************************//** Returns free space reserved for future updates of records. This is relevant only in the case of many consecutive inserts, as updates which make the records bigger might fragment the index. @@ -1016,14 +1023,14 @@ UNIV_INLINE ulint dict_index_get_space_reserve(void); /*==============================*/ -/************************************************************************* +/*********************************************************************//** Calculates the minimum record length in an index. */ UNIV_INTERN ulint dict_index_calc_min_rec_len( /*========================*/ const dict_index_t* index); /*!< in: index */ -/************************************************************************* +/*********************************************************************//** Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ UNIV_INTERN @@ -1033,7 +1040,7 @@ dict_update_statistics_low( dict_table_t* table, /*!< in/out: table */ ibool has_dict_mutex);/*!< in: TRUE if the caller has the dictionary mutex */ -/************************************************************************* +/*********************************************************************//** Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ UNIV_INTERN @@ -1041,19 +1048,19 @@ void dict_update_statistics( /*===================*/ dict_table_t* table); /*!< in/out: table */ -/************************************************************************ +/********************************************************************//** Reserves the dictionary system mutex for MySQL. */ UNIV_INTERN void dict_mutex_enter_for_mysql(void); /*============================*/ -/************************************************************************ +/********************************************************************//** Releases the dictionary system mutex for MySQL. */ UNIV_INTERN void dict_mutex_exit_for_mysql(void); /*===========================*/ -/************************************************************************ +/********************************************************************//** Checks if the database name in two table names is the same. @return TRUE if same db name */ UNIV_INTERN @@ -1064,7 +1071,7 @@ dict_tables_have_same_db( dbname '/' tablename */ const char* name2); /*!< in: table name in the form dbname '/' tablename */ -/************************************************************************* +/*********************************************************************//** Removes an index from the cache */ UNIV_INTERN void @@ -1072,7 +1079,7 @@ dict_index_remove_from_cache( /*=========================*/ dict_table_t* table, /*!< in/out: table */ dict_index_t* index); /*!< in, own: index */ -/************************************************************************** +/**********************************************************************//** Get index by name @return index, NULL if does not exist */ UNIV_INTERN @@ -1081,7 +1088,7 @@ dict_table_get_index_on_name( /*=========================*/ dict_table_t* table, /*!< in: table */ const char* name); /*!< in: name of the index to find */ -/************************************************************************** +/**********************************************************************//** In case there is more than one index with the same name return the index with the min(id). @return index, NULL if does not exist */ @@ -1096,46 +1103,48 @@ and unique key errors */ extern FILE* dict_foreign_err_file; extern mutex_t dict_foreign_err_mutex; /* mutex protecting the buffers */ -extern dict_sys_t* dict_sys; /* the dictionary system */ +/** the dictionary system */ +extern dict_sys_t* dict_sys; +/** the data dictionary rw-latch protecting dict_sys */ extern rw_lock_t dict_operation_lock; /* Dictionary system struct */ struct dict_sys_struct{ - mutex_t mutex; /* mutex protecting the data + mutex_t mutex; /*!< mutex protecting the data dictionary; protects also the disk-based dictionary system tables; this mutex serializes CREATE TABLE and DROP TABLE, as well as reading the dictionary data for a table from system tables */ - dulint row_id; /* the next row id to assign; + dulint row_id; /*!< the next row id to assign; NOTE that at a checkpoint this must be written to the dict system header and flushed to a file; in recovery this must be derived from the log records */ - hash_table_t* table_hash; /* hash table of the tables, based + hash_table_t* table_hash; /*!< hash table of the tables, based on name */ - hash_table_t* table_id_hash; /* hash table of the tables, based + hash_table_t* table_id_hash; /*!< hash table of the tables, based on id */ UT_LIST_BASE_NODE_T(dict_table_t) - table_LRU; /* LRU list of tables */ - ulint size; /* varying space in bytes occupied + table_LRU; /*!< LRU list of tables */ + ulint size; /*!< varying space in bytes occupied by the data dictionary table and index objects */ - dict_table_t* sys_tables; /* SYS_TABLES table */ - dict_table_t* sys_columns; /* SYS_COLUMNS table */ - dict_table_t* sys_indexes; /* SYS_INDEXES table */ - dict_table_t* sys_fields; /* SYS_FIELDS table */ + dict_table_t* sys_tables; /*!< SYS_TABLES table */ + dict_table_t* sys_columns; /*!< SYS_COLUMNS table */ + dict_table_t* sys_indexes; /*!< SYS_INDEXES table */ + dict_table_t* sys_fields; /*!< SYS_FIELDS table */ }; #endif /* !UNIV_HOTBACKUP */ -/* dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ extern dict_index_t* dict_ind_redundant; -/* dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ extern dict_index_t* dict_ind_compact; -/************************************************************************** +/**********************************************************************//** Inits dict_ind_redundant and dict_ind_compact. */ UNIV_INTERN void diff --git a/include/dict0dict.ic b/include/dict0dict.ic index c7bfe8b6efe..46e78df8272 100644 --- a/include/dict0dict.ic +++ b/include/dict0dict.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/dict0dict.ic Data dictionary system Created 1/8/1996 Heikki Tuuri @@ -27,7 +28,7 @@ Created 1/8/1996 Heikki Tuuri #include "dict0load.h" #include "rem0types.h" -/************************************************************************* +/*********************************************************************//** Gets the column data type. */ UNIV_INLINE void @@ -47,7 +48,7 @@ dict_col_copy_type( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Assert that a column and a data type match. @return TRUE */ UNIV_INLINE @@ -73,7 +74,7 @@ dict_col_type_assert_equal( #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Returns the minimum size of the column. @return minimum size */ UNIV_INLINE @@ -85,7 +86,7 @@ dict_col_get_min_size( return(dtype_get_min_size_low(col->mtype, col->prtype, col->len, col->mbminlen, col->mbmaxlen)); } -/*************************************************************************** +/***********************************************************************//** Returns the maximum size of the column. @return maximum size */ UNIV_INLINE @@ -97,7 +98,7 @@ dict_col_get_max_size( return(dtype_get_max_size_low(col->mtype, col->len)); } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Returns the size of a fixed size column, 0 if not a fixed size column. @return fixed size, or 0 */ UNIV_INLINE @@ -110,7 +111,7 @@ dict_col_get_fixed_size( return(dtype_get_fixed_size_low(col->mtype, col->prtype, col->len, col->mbminlen, col->mbmaxlen, comp)); } -/*************************************************************************** +/***********************************************************************//** Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. For fixed length types it is the fixed length of the type, otherwise 0. @return SQL null storage size in ROW_FORMAT=REDUNDANT */ @@ -124,7 +125,7 @@ dict_col_get_sql_null_size( return(dict_col_get_fixed_size(col, comp)); } -/************************************************************************* +/*********************************************************************//** Gets the column number. @return col->ind, table column position (starting from 0) */ UNIV_INLINE @@ -138,7 +139,7 @@ dict_col_get_no( return(col->ind); } -/************************************************************************* +/*********************************************************************//** Gets the column position in the clustered index. */ UNIV_INLINE ulint @@ -166,7 +167,7 @@ dict_col_get_clust_pos( #ifndef UNIV_HOTBACKUP #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the first index on the table (the clustered index). @return index, NULL if none exists */ UNIV_INLINE @@ -181,7 +182,7 @@ dict_table_get_first_index( return(UT_LIST_GET_FIRST(((dict_table_t*) table)->indexes)); } -/************************************************************************ +/********************************************************************//** Gets the next index on the table. @return index, NULL if none left */ UNIV_INLINE @@ -198,7 +199,7 @@ dict_table_get_next_index( #endif /* UNIV_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Check whether the index is the clustered index. @return nonzero for clustered index, zero for other indexes */ UNIV_INLINE @@ -212,7 +213,7 @@ dict_index_is_clust( return(UNIV_UNLIKELY(index->type & DICT_CLUSTERED)); } -/************************************************************************ +/********************************************************************//** Check whether the index is unique. @return nonzero for unique index, zero for other indexes */ UNIV_INLINE @@ -227,7 +228,7 @@ dict_index_is_unique( return(UNIV_UNLIKELY(index->type & DICT_UNIQUE)); } -/************************************************************************ +/********************************************************************//** Check whether the index is the insert buffer tree. @return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE @@ -242,7 +243,7 @@ dict_index_is_ibuf( return(UNIV_UNLIKELY(index->type & DICT_IBUF)); } -/************************************************************************ +/********************************************************************//** Check whether the index is a secondary index or the insert buffer tree. @return nonzero for insert buffer, zero for other indexes */ UNIV_INLINE @@ -261,7 +262,7 @@ dict_index_is_sec_or_ibuf( return(UNIV_LIKELY(!(type & DICT_CLUSTERED) || (type & DICT_IBUF))); } -/************************************************************************ +/********************************************************************//** Gets the number of user-defined columns in a table in the dictionary cache. @return number of user-defined (e.g., not ROW_ID) columns of a table */ @@ -277,7 +278,7 @@ dict_table_get_n_user_cols( return(table->n_cols - DATA_N_SYS_COLS); } -/************************************************************************ +/********************************************************************//** Gets the number of system columns in a table in the dictionary cache. @return number of system (e.g., ROW_ID) columns of a table */ UNIV_INLINE @@ -293,7 +294,7 @@ dict_table_get_n_sys_cols( return(DATA_N_SYS_COLS); } -/************************************************************************ +/********************************************************************//** Gets the number of all columns (also system) in a table in the dictionary cache. @return number of columns of a table */ @@ -310,7 +311,7 @@ dict_table_get_n_cols( } #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the nth column of a table. @return pointer to column object */ UNIV_INLINE @@ -327,7 +328,7 @@ dict_table_get_nth_col( return((dict_col_t*) (table->cols) + pos); } -/************************************************************************ +/********************************************************************//** Gets the given system column of a table. @return pointer to column object */ UNIV_INLINE @@ -352,7 +353,7 @@ dict_table_get_sys_col( } #endif /* UNIV_DEBUG */ -/************************************************************************ +/********************************************************************//** Gets the given system column number of a table. @return column number */ UNIV_INLINE @@ -369,7 +370,7 @@ dict_table_get_sys_col_no( return(table->n_cols - DATA_N_SYS_COLS + sys); } -/************************************************************************ +/********************************************************************//** Check whether the table uses the compact page format. @return TRUE if table uses the compact page format */ UNIV_INLINE @@ -387,7 +388,7 @@ dict_table_is_comp( return(UNIV_LIKELY(table->flags & DICT_TF_COMPACT)); } -/************************************************************************ +/********************************************************************//** Determine the file format of a table. @return file format version */ UNIV_INLINE @@ -401,7 +402,7 @@ dict_table_get_format( return((table->flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT); } -/************************************************************************ +/********************************************************************//** Determine the file format of a table. */ UNIV_INLINE void @@ -416,7 +417,7 @@ dict_table_set_format( | (format << DICT_TF_FORMAT_SHIFT); } -/************************************************************************ +/********************************************************************//** Extract the compressed page size from table flags. @return compressed page size, or 0 if not compressed */ UNIV_INLINE @@ -437,7 +438,7 @@ dict_table_flags_to_zip_size( return(zip_size); } -/************************************************************************ +/********************************************************************//** Check whether the table uses the compressed compact page format. @return compressed page size, or 0 if not compressed */ UNIV_INLINE @@ -451,7 +452,7 @@ dict_table_zip_size( return(dict_table_flags_to_zip_size(table->flags)); } -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index, including fields added by the dictionary system. @return number of fields */ @@ -469,7 +470,7 @@ dict_index_get_n_fields( return(index->n_fields); } -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index that uniquely determine the position of an index entry in the index, if we do not take multiversioning into account: in the B-tree use the value @@ -489,7 +490,7 @@ dict_index_get_n_unique( return(index->n_uniq); } -/************************************************************************ +/********************************************************************//** Gets the number of fields in the internal representation of an index which uniquely determine the position of an index entry in the index, if we also take multiversioning into account. @@ -513,7 +514,7 @@ dict_index_get_n_unique_in_tree( return(dict_index_get_n_fields(index)); } -/************************************************************************ +/********************************************************************//** Gets the number of user-defined ordering fields in the index. In the internal representation of clustered indexes we add the row id to the ordering fields to make a clustered index unique, but this function returns the number of @@ -530,7 +531,7 @@ dict_index_get_n_ordering_defined_by_user( } #ifdef UNIV_DEBUG -/************************************************************************ +/********************************************************************//** Gets the nth field of an index. @return pointer to field object */ UNIV_INLINE @@ -548,7 +549,7 @@ dict_index_get_nth_field( } #endif /* UNIV_DEBUG */ -/************************************************************************ +/********************************************************************//** Returns the position of a system column in an index. @return position, ULINT_UNDEFINED if not contained */ UNIV_INLINE @@ -573,7 +574,7 @@ dict_index_get_sys_col_pos( index, dict_table_get_sys_col_no(index->table, type))); } -/************************************************************************* +/*********************************************************************//** Gets the field column. @return field->col, pointer to the table column */ UNIV_INLINE @@ -587,7 +588,7 @@ dict_field_get_col( return(field->col); } -/************************************************************************ +/********************************************************************//** Gets pointer to the nth column in an index. @return column */ UNIV_INLINE @@ -600,7 +601,7 @@ dict_index_get_nth_col( return(dict_field_get_col(dict_index_get_nth_field(index, pos))); } -/************************************************************************ +/********************************************************************//** Gets the column number the nth field in an index. @return column number */ UNIV_INLINE @@ -614,7 +615,7 @@ dict_index_get_nth_col_no( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Returns the minimum data size of an index record. @return minimum data size in bytes */ UNIV_INLINE @@ -634,7 +635,7 @@ dict_index_get_min_size( return(size); } -/************************************************************************* +/*********************************************************************//** Gets the space id of the root of the index tree. @return space id */ UNIV_INLINE @@ -649,7 +650,7 @@ dict_index_get_space( return(index->space); } -/************************************************************************* +/*********************************************************************//** Sets the space id of the root of the index tree. */ UNIV_INLINE void @@ -664,7 +665,7 @@ dict_index_set_space( index->space = space; } -/************************************************************************* +/*********************************************************************//** Gets the page number of the root of the index tree. @return page number */ UNIV_INLINE @@ -679,7 +680,7 @@ dict_index_get_page( return(index->page); } -/************************************************************************* +/*********************************************************************//** Sets the page number of the root of index tree. */ UNIV_INLINE void @@ -694,7 +695,7 @@ dict_index_set_page( index->page = page; } -/************************************************************************* +/*********************************************************************//** Gets the read-write lock of the index tree. @return read-write lock */ UNIV_INLINE @@ -709,7 +710,7 @@ dict_index_get_lock( return(&(index->lock)); } -/************************************************************************ +/********************************************************************//** Returns free space reserved for future updates of records. This is relevant only in the case of many consecutive inserts, as updates which make the records bigger might fragment the index. @@ -722,7 +723,7 @@ dict_index_get_space_reserve(void) return(UNIV_PAGE_SIZE / 16); } -/************************************************************************** +/**********************************************************************//** Checks if a table is in the dictionary cache. @return table, NULL if not found */ UNIV_INLINE @@ -746,7 +747,7 @@ dict_table_check_if_in_cache_low( return(table); } -/************************************************************************** +/**********************************************************************//** Gets a table; loads it to the dictionary cache if necessary. A low-level function. @return table, NULL if not found */ @@ -772,7 +773,7 @@ dict_table_get_low( return(table); } -/************************************************************************** +/**********************************************************************//** Returns a table object based on table id. @return table, NULL if does not exist */ UNIV_INLINE diff --git a/include/dict0load.h b/include/dict0load.h index 9e4d61d3d50..60b8c1fb632 100644 --- a/include/dict0load.h +++ b/include/dict0load.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0load.h Loads to the memory cache database object definitions from dictionary tables @@ -31,7 +32,7 @@ Created 4/24/1996 Heikki Tuuri #include "ut0byte.h" #include "mem0mem.h" -/************************************************************************ +/********************************************************************//** In a crash recovery we already have all the tablespace objects created. This function compares the space id information in the InnoDB data dictionary to what we already read with fil_load_single_table_tablespaces(). @@ -44,27 +45,30 @@ void dict_check_tablespaces_and_store_max_id( /*====================================*/ ibool in_crash_recovery); /*!< in: are we doing a crash recovery */ -/************************************************************************ +/********************************************************************//** Finds the first table name in the given database. -@return own: table name, NULL if does not exist; the caller must free the memory in the string! */ +@return own: table name, NULL if does not exist; the caller must free +the memory in the string! */ UNIV_INTERN char* dict_get_first_table_name_in_db( /*============================*/ const char* name); /*!< in: database name which ends to '/' */ -/************************************************************************ +/********************************************************************//** Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads all foreign key constraints where the foreign key is in the table or where a foreign key references columns in this table. -@return table, NULL if does not exist; if the table is stored in an .ibd file, but the file does not exist, then we set the ibd_file_missing flag TRUE in the table object we return */ +@return table, NULL if does not exist; if the table is stored in an +.ibd file, but the file does not exist, then we set the +ibd_file_missing flag TRUE in the table object we return */ UNIV_INTERN dict_table_t* dict_load_table( /*============*/ const char* name); /*!< in: table name in the databasename/tablename format */ -/*************************************************************************** +/***********************************************************************//** Loads a table object based on the table id. @return table; NULL if table does not exist */ UNIV_INTERN @@ -72,7 +76,7 @@ dict_table_t* dict_load_table_on_id( /*==================*/ dulint table_id); /*!< in: table id */ -/************************************************************************ +/********************************************************************//** This function is called when the database is booted. Loads system table index definitions except for the clustered index which is added to the dictionary cache at booting before calling this function. */ @@ -81,7 +85,7 @@ void dict_load_sys_table( /*================*/ dict_table_t* table); /*!< in: system table */ -/*************************************************************************** +/***********************************************************************//** Loads foreign key constraints where the table is either the foreign key holder or where the table is referenced by a foreign key. Adds these constraints to the data dictionary. Note that we know that the dictionary @@ -95,7 +99,7 @@ dict_load_foreigns( const char* table_name, /*!< in: table name */ ibool check_charsets);/*!< in: TRUE=check charsets compatibility */ -/************************************************************************ +/********************************************************************//** Prints to the standard output information on all tables found in the data dictionary system table. */ UNIV_INTERN diff --git a/include/dict0load.ic b/include/dict0load.ic index 72eac2f621a..ccc16db165b 100644 --- a/include/dict0load.ic +++ b/include/dict0load.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0load.ic Loads to the memory cache database object definitions from dictionary tables diff --git a/include/dict0mem.h b/include/dict0mem.h index 312511ffbb8..1ee906fbf57 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0mem.h Data dictionary memory object creation Created 1/8/1996 Heikki Tuuri @@ -43,49 +44,58 @@ Created 1/8/1996 Heikki Tuuri #include "hash0hash.h" #include "trx0types.h" -/* Type flags of an index: OR'ing of the flags is allowed to define a +/** Type flags of an index: OR'ing of the flags is allowed to define a combination of types */ -#define DICT_CLUSTERED 1 /* clustered index */ -#define DICT_UNIQUE 2 /* unique index */ -#define DICT_UNIVERSAL 4 /* index which can contain records from any +/* @{ */ +#define DICT_CLUSTERED 1 /*!< clustered index */ +#define DICT_UNIQUE 2 /*!< unique index */ +#define DICT_UNIVERSAL 4 /*!< index which can contain records from any other index */ -#define DICT_IBUF 8 /* insert buffer tree */ +#define DICT_IBUF 8 /*!< insert buffer tree */ +/* @} */ -/* Types for a table object */ -#define DICT_TABLE_ORDINARY 1 +/** Types for a table object */ +#define DICT_TABLE_ORDINARY 1 /*!< ordinary table */ #if 0 /* not implemented */ #define DICT_TABLE_CLUSTER_MEMBER 2 #define DICT_TABLE_CLUSTER 3 /* this means that the table is really a cluster definition */ #endif -/* Table flags. All unused bits must be 0. */ +/** Table flags. All unused bits must be 0. */ +/* @{ */ #define DICT_TF_COMPACT 1 /* Compact page format. This must be set for new file formats (later than DICT_TF_FORMAT_51). */ -/* compressed page size (0=uncompressed, up to 15 compressed sizes) */ +/** Compressed page size (0=uncompressed, up to 15 compressed sizes) */ +/* @{ */ #define DICT_TF_ZSSIZE_SHIFT 1 #define DICT_TF_ZSSIZE_MASK (15 << DICT_TF_ZSSIZE_SHIFT) #define DICT_TF_ZSSIZE_MAX (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 1) +/* @} */ - +/** File format */ +/* @{ */ #define DICT_TF_FORMAT_SHIFT 5 /* file format */ #define DICT_TF_FORMAT_MASK (127 << DICT_TF_FORMAT_SHIFT) -#define DICT_TF_FORMAT_51 0 /* InnoDB/MySQL up to 5.1 */ -#define DICT_TF_FORMAT_ZIP 1 /* InnoDB plugin for 5.1: +#define DICT_TF_FORMAT_51 0 /*!< InnoDB/MySQL up to 5.1 */ +#define DICT_TF_FORMAT_ZIP 1 /*!< InnoDB plugin for 5.1: compressed tables, new BLOB treatment */ +/** Maximum supported file format */ #define DICT_TF_FORMAT_MAX DICT_TF_FORMAT_ZIP -#define DICT_TF_BITS 6 /* number of flag bits */ +#define DICT_TF_BITS 6 /*!< number of flag bits */ #if (1 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT)) <= DICT_TF_FORMAT_MAX # error "DICT_TF_BITS is insufficient for DICT_TF_FORMAT_MAX" #endif +/* @} */ +/* @} */ -/************************************************************************** +/**********************************************************************//** Creates a table memory object. @return own: table object */ UNIV_INTERN @@ -99,14 +109,14 @@ dict_mem_table_create( a member of a cluster */ ulint n_cols, /*!< in: number of columns */ ulint flags); /*!< in: table flags */ -/******************************************************************** +/****************************************************************//** Free a table memory object. */ UNIV_INTERN void dict_mem_table_free( /*================*/ dict_table_t* table); /*!< in: table */ -/************************************************************************** +/**********************************************************************//** Adds a column definition to a table. */ UNIV_INTERN void @@ -118,7 +128,7 @@ dict_mem_table_add_col( ulint mtype, /*!< in: main datatype */ ulint prtype, /*!< in: precise type */ ulint len); /*!< in: precision */ -/************************************************************************** +/**********************************************************************//** Creates an index memory object. @return own: index object */ UNIV_INTERN @@ -133,7 +143,7 @@ dict_mem_index_create( ulint type, /*!< in: DICT_UNIQUE, DICT_CLUSTERED, ... ORed */ ulint n_fields); /*!< in: number of fields */ -/************************************************************************** +/**********************************************************************//** Adds a field definition to an index. NOTE: does not take a copy of the column name if the field is a column. The memory occupied by the column name may be released only after publishing the index. */ @@ -146,14 +156,14 @@ dict_mem_index_add_field( ulint prefix_len); /*!< in: 0 or the column prefix length in a MySQL index like INDEX (textcol(25)) */ -/************************************************************************** +/**********************************************************************//** Frees an index memory object. */ UNIV_INTERN void dict_mem_index_free( /*================*/ dict_index_t* index); /*!< in: index */ -/************************************************************************** +/**********************************************************************//** Creates and initializes a foreign constraint memory object. @return own: foreign constraint struct */ UNIV_INTERN @@ -161,13 +171,14 @@ dict_foreign_t* dict_mem_foreign_create(void); /*=========================*/ -/* Data structure for a column in a table */ +/** Data structure for a column in a table */ struct dict_col_struct{ /*----------------------*/ - /* The following are copied from dtype_t, + /** The following are copied from dtype_t, so that all bit-fields can be packed tightly. */ - unsigned mtype:8; /* main data type */ - unsigned prtype:24; /* precise type; MySQL data + /* @{ */ + unsigned mtype:8; /*!< main data type */ + unsigned prtype:24; /*!< precise type; MySQL data type, charset code, flags to indicate nullability, signedness, whether this is a @@ -177,7 +188,7 @@ struct dict_col_struct{ /* the remaining fields do not affect alphabetical ordering: */ - unsigned len:16; /* length; for MySQL data this + unsigned len:16; /*!< length; for MySQL data this is field->pack_length(), except that for a >= 5.0.3 type true VARCHAR this is the @@ -186,261 +197,276 @@ struct dict_col_struct{ the string, MySQL uses 1 or 2 bytes to store the string length) */ - unsigned mbminlen:2; /* minimum length of a + unsigned mbminlen:2; /*!< minimum length of a character, in bytes */ - unsigned mbmaxlen:3; /* maximum length of a + unsigned mbmaxlen:3; /*!< maximum length of a character, in bytes */ /*----------------------*/ /* End of definitions copied from dtype_t */ + /* @} */ - unsigned ind:10; /* table column position + unsigned ind:10; /*!< table column position (starting from 0) */ - unsigned ord_part:1; /* nonzero if this column + unsigned ord_part:1; /*!< nonzero if this column appears in the ordering fields of an index */ }; -/* DICT_MAX_INDEX_COL_LEN is measured in bytes and is the maximum -indexed column length (or indexed prefix length). It is set to 3*256, -so that one can create a column prefix index on 256 characters of a -TEXT or VARCHAR column also in the UTF-8 charset. In that charset, -a character may take at most 3 bytes. -This constant MUST NOT BE CHANGED, or the compatibility of InnoDB data -files would be at risk! */ +/** @brief DICT_MAX_INDEX_COL_LEN is measured in bytes and is the maximum +indexed column length (or indexed prefix length). +It is set to 3*256, so that one can create a column prefix index on +256 characters of a TEXT or VARCHAR column also in the UTF-8 +charset. In that charset, a character may take at most 3 bytes. This +constant MUST NOT BE CHANGED, or the compatibility of InnoDB data +files would be at risk! */ #define DICT_MAX_INDEX_COL_LEN REC_MAX_INDEX_COL_LEN -/* Data structure for a field in an index */ +/** Data structure for a field in an index */ struct dict_field_struct{ - dict_col_t* col; /* pointer to the table column */ - const char* name; /* name of the column */ - unsigned prefix_len:10; /* 0 or the length of the column + dict_col_t* col; /*!< pointer to the table column */ + const char* name; /*!< name of the column */ + unsigned prefix_len:10; /*!< 0 or the length of the column prefix in bytes in a MySQL index of type, e.g., INDEX (textcol(25)); must be smaller than DICT_MAX_INDEX_COL_LEN; NOTE that in the UTF-8 charset, MySQL sets this to 3 * the prefix len in UTF-8 chars */ - unsigned fixed_len:10; /* 0 or the fixed length of the + unsigned fixed_len:10; /*!< 0 or the fixed length of the column if smaller than DICT_MAX_INDEX_COL_LEN */ }; -/* Data structure for an index. Most fields will be +/** Data structure for an index. Most fields will be initialized to 0, NULL or FALSE in dict_mem_index_create(). */ struct dict_index_struct{ - dulint id; /* id of the index */ - mem_heap_t* heap; /* memory heap */ - const char* name; /* index name */ - const char* table_name; /* table name */ - dict_table_t* table; /* back pointer to table */ + dulint id; /*!< id of the index */ + mem_heap_t* heap; /*!< memory heap */ + const char* name; /*!< index name */ + const char* table_name;/*!< table name */ + dict_table_t* table; /*!< back pointer to table */ #ifndef UNIV_HOTBACKUP unsigned space:32; - /* space where the index tree is placed */ - unsigned page:32;/* index tree root page number */ + /*!< space where the index tree is placed */ + unsigned page:32;/*!< index tree root page number */ #endif /* !UNIV_HOTBACKUP */ - unsigned type:4; /* index type (DICT_CLUSTERED, DICT_UNIQUE, + unsigned type:4; /*!< index type (DICT_CLUSTERED, DICT_UNIQUE, DICT_UNIVERSAL, DICT_IBUF) */ - unsigned trx_id_offset:10;/* position of the trx id column + unsigned trx_id_offset:10;/*!< position of the trx id column in a clustered index record, if the fields before it are known to be of a fixed size, 0 otherwise */ unsigned n_user_defined_cols:10; - /* number of columns the user defined to + /*!< number of columns the user defined to be in the index: in the internal representation we add more columns */ - unsigned n_uniq:10;/* number of fields from the beginning + unsigned n_uniq:10;/*!< number of fields from the beginning which are enough to determine an index entry uniquely */ - unsigned n_def:10;/* number of fields defined so far */ - unsigned n_fields:10;/* number of fields in the index */ - unsigned n_nullable:10;/* number of nullable fields */ - unsigned cached:1;/* TRUE if the index object is in the + unsigned n_def:10;/*!< number of fields defined so far */ + unsigned n_fields:10;/*!< number of fields in the index */ + unsigned n_nullable:10;/*!< number of nullable fields */ + unsigned cached:1;/*!< TRUE if the index object is in the dictionary cache */ unsigned to_be_dropped:1; - /* TRUE if this index is marked to be + /*!< TRUE if this index is marked to be dropped in ha_innobase::prepare_drop_index(), otherwise FALSE */ - dict_field_t* fields; /* array of field descriptions */ + dict_field_t* fields; /*!< array of field descriptions */ #ifndef UNIV_HOTBACKUP UT_LIST_NODE_T(dict_index_t) - indexes;/* list of indexes of the table */ - btr_search_t* search_info; /* info used in optimistic searches */ + indexes;/*!< list of indexes of the table */ + btr_search_t* search_info; /*!< info used in optimistic searches */ /*----------------------*/ + /** Statistics for query optimization */ + /* @{ */ ib_int64_t* stat_n_diff_key_vals; - /* approximate number of different key values - for this index, for each n-column prefix - where n <= dict_get_n_unique(index); we - periodically calculate new estimates */ + /*!< approximate number of different + key values for this index, for each + n-column prefix where n <= + dict_get_n_unique(index); we + periodically calculate new + estimates */ ulint stat_index_size; - /* approximate index size in database pages */ + /*!< approximate index size in + database pages */ ulint stat_n_leaf_pages; - /* approximate number of leaf pages in the + /*!< approximate number of leaf pages in the index tree */ - rw_lock_t lock; /* read-write lock protecting the upper levels - of the index tree */ - ib_uint64_t trx_id; /* id of the transaction that created this + /* @} */ + rw_lock_t lock; /*!< read-write lock protecting the + upper levels of the index tree */ + ib_uint64_t trx_id; /*!< id of the transaction that created this index, or 0 if the index existed when InnoDB was started up */ #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG - ulint magic_n;/* magic number */ + ulint magic_n;/*!< magic number */ +/** Value of dict_index_struct::magic_n */ # define DICT_INDEX_MAGIC_N 76789786 #endif }; -/* Data structure for a foreign key constraint; an example: +/** Data structure for a foreign key constraint; an example: FOREIGN KEY (A, B) REFERENCES TABLE2 (C, D). Most fields will be initialized to 0, NULL or FALSE in dict_mem_foreign_create(). */ - struct dict_foreign_struct{ - mem_heap_t* heap; /* this object is allocated from + mem_heap_t* heap; /*!< this object is allocated from this memory heap */ - char* id; /* id of the constraint as a + char* id; /*!< id of the constraint as a null-terminated string */ - unsigned n_fields:10; /* number of indexes' first fields + unsigned n_fields:10; /*!< number of indexes' first fields for which the the foreign key constraint is defined: we allow the indexes to contain more fields than mentioned in the constraint, as long as the first fields are as mentioned */ - unsigned type:6; /* 0 or DICT_FOREIGN_ON_DELETE_CASCADE + unsigned type:6; /*!< 0 or DICT_FOREIGN_ON_DELETE_CASCADE or DICT_FOREIGN_ON_DELETE_SET_NULL */ - char* foreign_table_name;/* foreign table name */ - dict_table_t* foreign_table; /* table where the foreign key is */ - const char** foreign_col_names;/* names of the columns in the + char* foreign_table_name;/*!< foreign table name */ + dict_table_t* foreign_table; /*!< table where the foreign key is */ + const char** foreign_col_names;/*!< names of the columns in the foreign key */ - char* referenced_table_name;/* referenced table name */ - dict_table_t* referenced_table;/* table where the referenced key + char* referenced_table_name;/*!< referenced table name */ + dict_table_t* referenced_table;/*!< table where the referenced key is */ - const char** referenced_col_names;/* names of the referenced + const char** referenced_col_names;/*!< names of the referenced columns in the referenced table */ - dict_index_t* foreign_index; /* foreign index; we require that + dict_index_t* foreign_index; /*!< foreign index; we require that both tables contain explicitly defined indexes for the constraint: InnoDB does not generate new indexes implicitly */ - dict_index_t* referenced_index;/* referenced index */ + dict_index_t* referenced_index;/*!< referenced index */ UT_LIST_NODE_T(dict_foreign_t) - foreign_list; /* list node for foreign keys of the + foreign_list; /*!< list node for foreign keys of the table */ UT_LIST_NODE_T(dict_foreign_t) - referenced_list;/* list node for referenced keys of the - table */ + referenced_list;/*!< list node for referenced + keys of the table */ }; -/* The flags for ON_UPDATE and ON_DELETE can be ORed; the default is that +/** The flags for ON_UPDATE and ON_DELETE can be ORed; the default is that a foreign key constraint is enforced, therefore RESTRICT just means no flag */ -#define DICT_FOREIGN_ON_DELETE_CASCADE 1 -#define DICT_FOREIGN_ON_DELETE_SET_NULL 2 -#define DICT_FOREIGN_ON_UPDATE_CASCADE 4 -#define DICT_FOREIGN_ON_UPDATE_SET_NULL 8 -#define DICT_FOREIGN_ON_DELETE_NO_ACTION 16 -#define DICT_FOREIGN_ON_UPDATE_NO_ACTION 32 +/* @{ */ +#define DICT_FOREIGN_ON_DELETE_CASCADE 1 /*!< ON DELETE CASCADE */ +#define DICT_FOREIGN_ON_DELETE_SET_NULL 2 /*!< ON UPDATE SET NULL */ +#define DICT_FOREIGN_ON_UPDATE_CASCADE 4 /*!< ON DELETE CASCADE */ +#define DICT_FOREIGN_ON_UPDATE_SET_NULL 8 /*!< ON UPDATE SET NULL */ +#define DICT_FOREIGN_ON_DELETE_NO_ACTION 16 /*!< ON DELETE NO ACTION */ +#define DICT_FOREIGN_ON_UPDATE_NO_ACTION 32 /*!< ON UPDATE NO ACTION */ +/* @} */ -/* Data structure for a database table. Most fields will be +/** Data structure for a database table. Most fields will be initialized to 0, NULL or FALSE in dict_mem_table_create(). */ struct dict_table_struct{ - dulint id; /* id of the table */ - mem_heap_t* heap; /* memory heap */ - const char* name; /* table name */ - const char* dir_path_of_temp_table;/* NULL or the directory path + dulint id; /*!< id of the table */ + mem_heap_t* heap; /*!< memory heap */ + const char* name; /*!< table name */ + const char* dir_path_of_temp_table;/*!< NULL or the directory path where a TEMPORARY table that was explicitly created by a user should be placed if innodb_file_per_table is defined in my.cnf; in Unix this is usually /tmp/..., in Windows - \temp\... */ + temp\... */ unsigned space:32; - /* space where the clustered index of the + /*!< space where the clustered index of the table is placed */ - unsigned flags:DICT_TF_BITS;/* DICT_TF_COMPACT, ... */ + unsigned flags:DICT_TF_BITS;/*!< DICT_TF_COMPACT, ... */ unsigned ibd_file_missing:1; - /* TRUE if this is in a single-table + /*!< TRUE if this is in a single-table tablespace and the .ibd file is missing; then we must return in ha_innodb.cc an error if the user tries to query such an orphaned table */ unsigned tablespace_discarded:1; - /* this flag is set TRUE when the user + /*!< this flag is set TRUE when the user calls DISCARD TABLESPACE on this table, and reset to FALSE in IMPORT TABLESPACE */ - unsigned cached:1;/* TRUE if the table object has been added + unsigned cached:1;/*!< TRUE if the table object has been added to the dictionary cache */ - unsigned n_def:10;/* number of columns defined so far */ - unsigned n_cols:10;/* number of columns */ - dict_col_t* cols; /* array of column descriptions */ + unsigned n_def:10;/*!< number of columns defined so far */ + unsigned n_cols:10;/*!< number of columns */ + dict_col_t* cols; /*!< array of column descriptions */ const char* col_names; - /* Column names packed in a character string + /*!< Column names packed in a character string "name1\0name2\0...nameN\0". Until the string contains n_cols, it will be allocated from a temporary heap. The final string will be allocated from table->heap. */ #ifndef UNIV_HOTBACKUP - hash_node_t name_hash; /* hash chain node */ - hash_node_t id_hash; /* hash chain node */ + hash_node_t name_hash; /*!< hash chain node */ + hash_node_t id_hash; /*!< hash chain node */ UT_LIST_BASE_NODE_T(dict_index_t) - indexes; /* list of indexes of the table */ + indexes; /*!< list of indexes of the table */ UT_LIST_BASE_NODE_T(dict_foreign_t) - foreign_list;/* list of foreign key constraints + foreign_list;/*!< list of foreign key constraints in the table; these refer to columns in other tables */ UT_LIST_BASE_NODE_T(dict_foreign_t) - referenced_list;/* list of foreign key constraints + referenced_list;/*!< list of foreign key constraints which refer to this table */ UT_LIST_NODE_T(dict_table_t) - table_LRU; /* node of the LRU list of tables */ + table_LRU; /*!< node of the LRU list of tables */ ulint n_mysql_handles_opened; - /* count of how many handles MySQL has opened + /*!< count of how many handles MySQL has opened to this table; dropping of the table is NOT allowed until this count gets to zero; MySQL does NOT itself check the number of open handles at drop */ ulint n_foreign_key_checks_running; - /* count of how many foreign key check + /*!< count of how many foreign key check operations are currently being performed on the table: we cannot drop the table while there are foreign key checks running on it! */ trx_id_t query_cache_inv_trx_id; - /* transactions whose trx id < than this - number are not allowed to store to the MySQL - query cache or retrieve from it; when a trx - with undo logs commits, it sets this to the - value of the trx id counter for the tables it - had an IX lock on */ + /*!< transactions whose trx id is + smaller than this number are not + allowed to store to the MySQL query + cache or retrieve from it; when a trx + with undo logs commits, it sets this + to the value of the trx id counter for + the tables it had an IX lock on */ UT_LIST_BASE_NODE_T(lock_t) - locks; /* list of locks on the table */ + locks; /*!< list of locks on the table */ #ifdef UNIV_DEBUG /*----------------------*/ ibool does_not_fit_in_memory; - /* this field is used to specify in simulations - tables which are so big that disk should be - accessed: disk access is simulated by - putting the thread to sleep for a while; - NOTE that this flag is not stored to the data - dictionary on disk, and the database will - forget about value TRUE if it has to reload - the table definition from disk */ + /*!< this field is used to specify in + simulations tables which are so big + that disk should be accessed: disk + access is simulated by putting the + thread to sleep for a while; NOTE that + this flag is not stored to the data + dictionary on disk, and the database + will forget about value TRUE if it has + to reload the table definition from + disk */ #endif /* UNIV_DEBUG */ /*----------------------*/ unsigned big_rows:1; - /* flag: TRUE if the maximum length of + /*!< flag: TRUE if the maximum length of a single row exceeds BIG_ROW_SIZE; initialized in dict_table_add_to_cache() */ - unsigned stat_initialized:1; /* TRUE if statistics have + /** Statistics for query optimization */ + /* @{ */ + unsigned stat_initialized:1; /*!< TRUE if statistics have been calculated the first time after database startup or table creation */ ib_int64_t stat_n_rows; - /* approximate number of rows in the table; + /*!< approximate number of rows in the table; we periodically calculate new estimates */ ulint stat_clustered_index_size; - /* approximate clustered index size in + /*!< approximate clustered index size in database pages */ ulint stat_sum_of_other_index_sizes; - /* other indexes in database pages */ + /*!< other indexes in database pages */ ulint stat_modified_counter; - /* when a row is inserted, updated, or deleted, + /*!< when a row is inserted, updated, + or deleted, we add 1 to this number; we calculate new estimates for the stat_... values for the table and the indexes at an interval of 2 GB @@ -451,8 +477,9 @@ struct dict_table_struct{ calculation; this counter is not protected by any latch, because this is only used for heuristics */ + /* @} */ /*----------------------*/ - /* The following fields are used by the + /**!< The following fields are used by the AUTOINC code. The actual collection of tables locked during AUTOINC read/write is kept in trx_t. In order to quickly determine @@ -466,8 +493,9 @@ struct dict_table_struct{ corresponding lock instance is created on the trx lock heap rather than use the pre-allocated instance in autoinc_lock below.*/ + /* @{ */ lock_t* autoinc_lock; - /* a buffer for an AUTOINC lock + /*!< a buffer for an AUTOINC lock for this table: we allocate the memory here so that individual transactions can get it and release it without a need to allocate @@ -475,12 +503,12 @@ struct dict_table_struct{ otherwise the lock heap would grow rapidly if we do a large insert from a select */ mutex_t autoinc_mutex; - /* mutex protecting the autoincrement + /*!< mutex protecting the autoincrement counter */ - ib_uint64_t autoinc;/* autoinc counter value to give to the + ib_uint64_t autoinc;/*!< autoinc counter value to give to the next inserted row */ ulong n_waiting_or_granted_auto_inc_locks; - /* This counter is used to track the number + /*!< This counter is used to track the number of granted and pending autoinc locks on this table. This value is set after acquiring the kernel mutex but we peek the contents to @@ -489,13 +517,15 @@ struct dict_table_struct{ only one transaction can be granted the lock but there can be multiple waiters. */ const trx_t* autoinc_trx; - /* The transaction that currently holds the + /*!< The transaction that currently holds the the AUTOINC lock on this table. */ + /* @} */ /*----------------------*/ #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG - ulint magic_n;/* magic number */ + ulint magic_n;/*!< magic number */ +/** Value of dict_table_struct::magic_n */ # define DICT_TABLE_MAGIC_N 76333786 #endif /* UNIV_DEBUG */ }; diff --git a/include/dict0mem.ic b/include/dict0mem.ic index 6916393a9cd..c36adb07a18 100644 --- a/include/dict0mem.ic +++ b/include/dict0mem.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/dict0mem.ic Data dictionary memory object creation Created 1/8/1996 Heikki Tuuri diff --git a/include/dict0types.h b/include/dict0types.h index b347db3ea37..7ad69193cc9 100644 --- a/include/dict0types.h +++ b/include/dict0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dict0types.h Data dictionary global types Created 1/8/1996 Heikki Tuuri diff --git a/include/dyn0dyn.h b/include/dyn0dyn.h index 7645119cb4e..121a5946ac7 100644 --- a/include/dyn0dyn.h +++ b/include/dyn0dyn.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dyn0dyn.h The dynamically allocated array Created 2/5/1996 Heikki Tuuri @@ -29,15 +30,17 @@ Created 2/5/1996 Heikki Tuuri #include "ut0lst.h" #include "mem0mem.h" +/** A block in a dynamically allocated array */ typedef struct dyn_block_struct dyn_block_t; +/** Dynamically allocated array */ typedef dyn_block_t dyn_array_t; -/* This is the initial 'payload' size of a dynamic array; +/** This is the initial 'payload' size of a dynamic array; this must be > MLOG_BUF_MARGIN + 30! */ #define DYN_ARRAY_DATA_SIZE 512 -/************************************************************************* +/*********************************************************************//** Initializes a dynamic array. @return initialized dyn array */ UNIV_INLINE @@ -46,14 +49,14 @@ dyn_array_create( /*=============*/ dyn_array_t* arr); /*!< in: pointer to a memory buffer of size sizeof(dyn_array_t) */ -/**************************************************************** +/************************************************************//** Frees a dynamic array. */ UNIV_INLINE void dyn_array_free( /*===========*/ dyn_array_t* arr); /*!< in: dyn array */ -/************************************************************************* +/*********************************************************************//** Makes room on top of a dyn array and returns a pointer to a buffer in it. After copying the elements, the caller must close the buffer using dyn_array_close. @@ -65,7 +68,7 @@ dyn_array_open( dyn_array_t* arr, /*!< in: dynamic array */ ulint size); /*!< in: size in bytes of the buffer; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ -/************************************************************************* +/*********************************************************************//** Closes the buffer returned by dyn_array_open. */ UNIV_INLINE void @@ -73,7 +76,7 @@ dyn_array_close( /*============*/ dyn_array_t* arr, /*!< in: dynamic array */ byte* ptr); /*!< in: buffer space from ptr up was not used */ -/************************************************************************* +/*********************************************************************//** Makes room on top of a dyn array and returns a pointer to the added element. The caller must copy the element to the pointer returned. @@ -84,7 +87,7 @@ dyn_array_push( /*===========*/ dyn_array_t* arr, /*!< in: dynamic array */ ulint size); /*!< in: size in bytes of the element */ -/**************************************************************** +/************************************************************//** Returns pointer to an element in dyn array. @return pointer to element */ UNIV_INLINE @@ -94,7 +97,7 @@ dyn_array_get_element( dyn_array_t* arr, /*!< in: dyn array */ ulint pos); /*!< in: position of element as bytes from array start */ -/**************************************************************** +/************************************************************//** Returns the size of stored data in a dyn array. @return data size in bytes */ UNIV_INLINE @@ -102,21 +105,21 @@ ulint dyn_array_get_data_size( /*====================*/ dyn_array_t* arr); /*!< in: dyn array */ -/**************************************************************** +/************************************************************//** Gets the first block in a dyn array. */ UNIV_INLINE dyn_block_t* dyn_array_get_first_block( /*======================*/ dyn_array_t* arr); /*!< in: dyn array */ -/**************************************************************** +/************************************************************//** Gets the last block in a dyn array. */ UNIV_INLINE dyn_block_t* dyn_array_get_last_block( /*=====================*/ dyn_array_t* arr); /*!< in: dyn array */ -/************************************************************************ +/********************************************************************//** Gets the next block in a dyn array. @return pointer to next, NULL if end of list */ UNIV_INLINE @@ -125,7 +128,7 @@ dyn_array_get_next_block( /*=====================*/ dyn_array_t* arr, /*!< in: dyn array */ dyn_block_t* block); /*!< in: dyn array block */ -/************************************************************************ +/********************************************************************//** Gets the number of used bytes in a dyn array block. @return number of bytes used */ UNIV_INLINE @@ -133,7 +136,7 @@ ulint dyn_block_get_used( /*===============*/ dyn_block_t* block); /*!< in: dyn array block */ -/************************************************************************ +/********************************************************************//** Gets pointer to the start of data in a dyn array block. @return pointer to data */ UNIV_INLINE @@ -141,7 +144,7 @@ byte* dyn_block_get_data( /*===============*/ dyn_block_t* block); /*!< in: dyn array block */ -/************************************************************ +/********************************************************//** Pushes n bytes to a dyn array. */ UNIV_INLINE void @@ -153,24 +156,27 @@ dyn_push_string( /*#################################################################*/ -/* NOTE! Do not use the fields of the struct directly: the definition +/** @brief A block in a dynamically allocated array. +NOTE! Do not access the fields of the struct directly: the definition appears here only for the compiler to know its size! */ struct dyn_block_struct{ - mem_heap_t* heap; /* in the first block this is != NULL + mem_heap_t* heap; /*!< in the first block this is != NULL if dynamic allocation has been needed */ - ulint used; /* number of data bytes used in this block */ + ulint used; /*!< number of data bytes used in this block; + DYN_BLOCK_FULL_FLAG is set when the block + becomes full */ byte data[DYN_ARRAY_DATA_SIZE]; - /* storage for array elements */ + /*!< storage for array elements */ UT_LIST_BASE_NODE_T(dyn_block_t) base; - /* linear list of dyn blocks: this node is + /*!< linear list of dyn blocks: this node is used only in the first block */ UT_LIST_NODE_T(dyn_block_t) list; - /* linear list node: used in all blocks */ + /*!< linear list node: used in all blocks */ #ifdef UNIV_DEBUG - ulint buf_end;/* only in the debug version: if dyn array is - opened, this is the buffer end offset, else - this is 0 */ - ulint magic_n; + ulint buf_end;/*!< only in the debug version: if dyn + array is opened, this is the buffer + end offset, else this is 0 */ + ulint magic_n;/*!< magic number (DYN_BLOCK_MAGIC_N) */ #endif }; diff --git a/include/dyn0dyn.ic b/include/dyn0dyn.ic index e13054180ff..110e674abff 100644 --- a/include/dyn0dyn.ic +++ b/include/dyn0dyn.ic @@ -16,16 +16,19 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/dyn0dyn.ic The dynamically allocated array Created 2/5/1996 Heikki Tuuri *******************************************************/ +/** Value of dyn_block_struct::magic_n */ #define DYN_BLOCK_MAGIC_N 375767 +/** Flag for dyn_block_struct::used that indicates a full block */ #define DYN_BLOCK_FULL_FLAG 0x1000000UL -/**************************************************************** +/************************************************************//** Adds a new block to a dyn array. @return created block */ UNIV_INTERN @@ -35,7 +38,7 @@ dyn_array_add_block( dyn_array_t* arr); /*!< in: dyn array */ -/**************************************************************** +/************************************************************//** Gets the first block in a dyn array. */ UNIV_INLINE dyn_block_t* @@ -46,7 +49,7 @@ dyn_array_get_first_block( return(arr); } -/**************************************************************** +/************************************************************//** Gets the last block in a dyn array. */ UNIV_INLINE dyn_block_t* @@ -62,7 +65,7 @@ dyn_array_get_last_block( return(UT_LIST_GET_LAST(arr->base)); } -/************************************************************************ +/********************************************************************//** Gets the next block in a dyn array. @return pointer to next, NULL if end of list */ UNIV_INLINE @@ -83,7 +86,7 @@ dyn_array_get_next_block( return(UT_LIST_GET_NEXT(list, block)); } -/************************************************************************ +/********************************************************************//** Gets the number of used bytes in a dyn array block. @return number of bytes used */ UNIV_INLINE @@ -97,7 +100,7 @@ dyn_block_get_used( return((block->used) & ~DYN_BLOCK_FULL_FLAG); } -/************************************************************************ +/********************************************************************//** Gets pointer to the start of data in a dyn array block. @return pointer to data */ UNIV_INLINE @@ -111,7 +114,7 @@ dyn_block_get_data( return(block->data); } -/************************************************************************* +/*********************************************************************//** Initializes a dynamic array. @return initialized dyn array */ UNIV_INLINE @@ -136,7 +139,7 @@ dyn_array_create( return(arr); } -/**************************************************************** +/************************************************************//** Frees a dynamic array. */ UNIV_INLINE void @@ -153,7 +156,7 @@ dyn_array_free( #endif } -/************************************************************************* +/*********************************************************************//** Makes room on top of a dyn array and returns a pointer to the added element. The caller must copy the element to the pointer returned. @return pointer to the element */ @@ -193,7 +196,7 @@ dyn_array_push( return((block->data) + used); } -/************************************************************************* +/*********************************************************************//** Makes room on top of a dyn array and returns a pointer to a buffer in it. After copying the elements, the caller must close the buffer using dyn_array_close. @@ -239,7 +242,7 @@ dyn_array_open( return((block->data) + used); } -/************************************************************************* +/*********************************************************************//** Closes the buffer returned by dyn_array_open. */ UNIV_INLINE void @@ -266,7 +269,7 @@ dyn_array_close( #endif } -/**************************************************************** +/************************************************************//** Returns pointer to an element in dyn array. @return pointer to element */ UNIV_INLINE @@ -304,7 +307,7 @@ dyn_array_get_element( return(block->data + pos); } -/**************************************************************** +/************************************************************//** Returns the size of stored data in a dyn array. @return data size in bytes */ UNIV_INLINE @@ -335,7 +338,7 @@ dyn_array_get_data_size( return(sum); } -/************************************************************ +/********************************************************//** Pushes n bytes to a dyn array. */ UNIV_INLINE void diff --git a/include/eval0eval.h b/include/eval0eval.h index 89d235e051f..60aefd8d453 100644 --- a/include/eval0eval.h +++ b/include/eval0eval.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/eval0eval.h SQL evaluator: evaluates simple data structures, like expressions, in a query graph @@ -31,7 +32,7 @@ Created 12/29/1997 Heikki Tuuri #include "pars0sym.h" #include "pars0pars.h" -/********************************************************************* +/*****************************************************************//** Free the buffer from global dynamic memory for a value of a que_node, if it has been allocated in the above function. The freeing for pushed column values is done in sel_col_prefetch_buf_free. */ @@ -40,21 +41,21 @@ void eval_node_free_val_buf( /*===================*/ que_node_t* node); /*!< in: query graph node */ -/********************************************************************* +/*****************************************************************//** Evaluates a symbol table symbol. */ UNIV_INLINE void eval_sym( /*=====*/ sym_node_t* sym_node); /*!< in: symbol table node */ -/********************************************************************* +/*****************************************************************//** Evaluates an expression. */ UNIV_INLINE void eval_exp( /*=====*/ que_node_t* exp_node); /*!< in: expression */ -/********************************************************************* +/*****************************************************************//** Sets an integer value as the value of an expression node. */ UNIV_INLINE void @@ -62,7 +63,7 @@ eval_node_set_int_val( /*==================*/ que_node_t* node, /*!< in: expression node */ lint val); /*!< in: value to set */ -/********************************************************************* +/*****************************************************************//** Gets an integer value from an expression node. @return integer value */ UNIV_INLINE @@ -70,7 +71,7 @@ lint eval_node_get_int_val( /*==================*/ que_node_t* node); /*!< in: expression node */ -/********************************************************************* +/*****************************************************************//** Copies a binary string value as the value of a query graph node. Allocates a new buffer if necessary. */ UNIV_INLINE @@ -80,7 +81,7 @@ eval_node_copy_and_alloc_val( que_node_t* node, /*!< in: query graph node */ const byte* str, /*!< in: binary string */ ulint len); /*!< in: string length or UNIV_SQL_NULL */ -/********************************************************************* +/*****************************************************************//** Copies a query node value to another node. */ UNIV_INLINE void @@ -88,7 +89,7 @@ eval_node_copy_val( /*===============*/ que_node_t* node1, /*!< in: node to copy to */ que_node_t* node2); /*!< in: node to copy from */ -/********************************************************************* +/*****************************************************************//** Gets a iboolean value from a query node. @return iboolean value */ UNIV_INLINE @@ -96,7 +97,7 @@ ibool eval_node_get_ibool_val( /*====================*/ que_node_t* node); /*!< in: query graph node */ -/********************************************************************* +/*****************************************************************//** Evaluates a comparison node. @return the result of the comparison */ UNIV_INTERN diff --git a/include/eval0eval.ic b/include/eval0eval.ic index f5ad5042710..fe767f39b00 100644 --- a/include/eval0eval.ic +++ b/include/eval0eval.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/eval0eval.ic SQL evaluator: evaluates simple data structures, like expressions, in a query graph @@ -27,14 +28,14 @@ Created 12/29/1997 Heikki Tuuri #include "rem0cmp.h" #include "pars0grm.h" -/********************************************************************* +/*****************************************************************//** Evaluates a function node. */ UNIV_INTERN void eval_func( /*======*/ func_node_t* func_node); /*!< in: function node */ -/********************************************************************* +/*****************************************************************//** Allocate a buffer from global dynamic memory for a value of a que_node. NOTE that this memory must be explicitly freed when the query graph is freed. If the node already has allocated buffer, that buffer is freed @@ -51,7 +52,7 @@ eval_node_alloc_val_buf( ulint size); /*!< in: buffer size */ -/********************************************************************* +/*****************************************************************//** Allocates a new buffer if needed. @return pointer to buffer */ UNIV_INLINE @@ -79,7 +80,7 @@ eval_node_ensure_val_buf( return(data); } -/********************************************************************* +/*****************************************************************//** Evaluates a symbol table symbol. */ UNIV_INLINE void @@ -99,7 +100,7 @@ eval_sym( } } -/********************************************************************* +/*****************************************************************//** Evaluates an expression. */ UNIV_INLINE void @@ -117,7 +118,7 @@ eval_exp( eval_func(exp_node); } -/********************************************************************* +/*****************************************************************//** Sets an integer value as the value of an expression node. */ UNIV_INLINE void @@ -142,7 +143,7 @@ eval_node_set_int_val( mach_write_to_4(data, (ulint)val); } -/********************************************************************* +/*****************************************************************//** Gets an integer non-SQL null value from an expression node. @return integer value */ UNIV_INLINE @@ -160,7 +161,7 @@ eval_node_get_int_val( return((int)mach_read_from_4(dfield_get_data(dfield))); } -/********************************************************************* +/*****************************************************************//** Gets a iboolean value from a query node. @return iboolean value */ UNIV_INLINE @@ -181,7 +182,7 @@ eval_node_get_ibool_val( return(mach_read_from_1(data)); } -/********************************************************************* +/*****************************************************************//** Sets a iboolean value as the value of a function node. */ UNIV_INLINE void @@ -208,7 +209,7 @@ eval_node_set_ibool_val( mach_write_to_1(data, val); } -/********************************************************************* +/*****************************************************************//** Copies a binary string value as the value of a query graph node. Allocates a new buffer if necessary. */ UNIV_INLINE @@ -232,7 +233,7 @@ eval_node_copy_and_alloc_val( ut_memcpy(data, str, len); } -/********************************************************************* +/*****************************************************************//** Copies a query node value to another node. */ UNIV_INLINE void diff --git a/include/eval0proc.h b/include/eval0proc.h index 0a8f3b47a58..13e2e365320 100644 --- a/include/eval0proc.h +++ b/include/eval0proc.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/eval0proc.h Executes SQL stored procedures and their control structures Created 1/20/1998 Heikki Tuuri @@ -30,7 +31,7 @@ Created 1/20/1998 Heikki Tuuri #include "pars0sym.h" #include "pars0pars.h" -/************************************************************************** +/**********************************************************************//** Performs an execution step of a procedure node. @return query thread to run next or NULL */ UNIV_INLINE @@ -38,7 +39,7 @@ que_thr_t* proc_step( /*======*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of an if-statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -46,7 +47,7 @@ que_thr_t* if_step( /*====*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of a while-statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -54,7 +55,7 @@ que_thr_t* while_step( /*=======*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of a for-loop node. @return query thread to run next or NULL */ UNIV_INTERN @@ -62,7 +63,7 @@ que_thr_t* for_step( /*=====*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of an assignment statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -70,7 +71,7 @@ que_thr_t* assign_step( /*========*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of a procedure call node. @return query thread to run next or NULL */ UNIV_INLINE @@ -78,7 +79,7 @@ que_thr_t* proc_eval_step( /*===========*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of an exit statement node. @return query thread to run next or NULL */ UNIV_INTERN @@ -86,7 +87,7 @@ que_thr_t* exit_step( /*======*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of a return-statement node. @return query thread to run next or NULL */ UNIV_INTERN diff --git a/include/eval0proc.ic b/include/eval0proc.ic index 8ca805678ea..c602af0a694 100644 --- a/include/eval0proc.ic +++ b/include/eval0proc.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/eval0proc.ic Executes SQL stored procedures and their control structures Created 1/20/1998 Heikki Tuuri @@ -26,7 +27,7 @@ Created 1/20/1998 Heikki Tuuri #include "que0que.h" #include "eval0eval.h" -/************************************************************************** +/**********************************************************************//** Performs an execution step of a procedure node. @return query thread to run next or NULL */ UNIV_INLINE @@ -61,7 +62,7 @@ proc_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs an execution step of a procedure call node. @return query thread to run next or NULL */ UNIV_INLINE diff --git a/include/fil0fil.h b/include/fil0fil.h index db7f9ae587f..04eaeeea95d 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/fil0fil.h The low-level file system Created 10/25/1995 Heikki Tuuri @@ -33,53 +34,55 @@ Created 10/25/1995 Heikki Tuuri #include "ibuf0types.h" #endif /* !UNIV_HOTBACKUP */ -/* When mysqld is run, the default directory "." is the mysqld datadir, but in -ibbackup we must set it explicitly; the patgh must NOT contain the trailing -'/' or '\' */ +/** When mysqld is run, the default directory "." is the mysqld datadir, +but in the MySQL Embedded Server Library and ibbackup it is not the default +directory, and we must set the base file path explicitly */ extern const char* fil_path_to_mysql_datadir; -/* Initial size of a single-table tablespace in pages */ +/** Initial size of a single-table tablespace in pages */ #define FIL_IBD_FILE_INITIAL_SIZE 4 -/* 'null' (undefined) page offset in the context of file spaces */ +/** 'null' (undefined) page offset in the context of file spaces */ #define FIL_NULL ULINT32_UNDEFINED /* Space address data type; this is intended to be used when addresses accurate to a byte are stored in file pages. If the page part of the address is FIL_NULL, the address is considered undefined. */ -typedef byte fil_faddr_t; /* 'type' definition in C: an address +typedef byte fil_faddr_t; /*!< 'type' definition in C: an address stored in a file page is a string of bytes */ #define FIL_ADDR_PAGE 0 /* first in address is the page offset */ #define FIL_ADDR_BYTE 4 /* then comes 2-byte byte offset within page*/ #define FIL_ADDR_SIZE 6 /* address size is 6 bytes */ -/* A struct for storing a space address FIL_ADDR, when it is used +/** A struct for storing a space address FIL_ADDR, when it is used in C program data structures. */ typedef struct fil_addr_struct fil_addr_t; +/** File space address */ struct fil_addr_struct{ - ulint page; /* page number within a space */ - ulint boffset; /* byte offset within the page */ + ulint page; /*!< page number within a space */ + ulint boffset; /*!< byte offset within the page */ }; -/* Null file address */ +/** The null file address */ extern fil_addr_t fil_addr_null; -/* The byte offsets on a file page for various variables */ -#define FIL_PAGE_SPACE_OR_CHKSUM 0 /* in < MySQL-4.0.14 space id the +/** The byte offsets on a file page for various variables @{ */ +#define FIL_PAGE_SPACE_OR_CHKSUM 0 /*!< in < MySQL-4.0.14 space id the page belongs to (== 0) but in later versions the 'new' checksum of the page */ -#define FIL_PAGE_OFFSET 4 /* page offset inside space */ -#define FIL_PAGE_PREV 8 /* if there is a 'natural' predecessor - of the page, its offset. - Otherwise FIL_NULL. - This field is not set on BLOB pages, - which are stored as a singly-linked - list. See also FIL_PAGE_NEXT. */ -#define FIL_PAGE_NEXT 12 /* if there is a 'natural' successor +#define FIL_PAGE_OFFSET 4 /*!< page offset inside space */ +#define FIL_PAGE_PREV 8 /*!< if there is a 'natural' + predecessor of the page, its + offset. Otherwise FIL_NULL. + This field is not set on BLOB + pages, which are stored as a + singly-linked list. See also + FIL_PAGE_NEXT. */ +#define FIL_PAGE_NEXT 12 /*!< if there is a 'natural' successor of the page, its offset. Otherwise FIL_NULL. B-tree index pages @@ -89,9 +92,9 @@ extern fil_addr_t fil_addr_null; FIL_PAGE_PREV and FIL_PAGE_NEXT in the collation order of the smallest user record on each page. */ -#define FIL_PAGE_LSN 16 /* lsn of the end of the newest +#define FIL_PAGE_LSN 16 /*!< lsn of the end of the newest modification log record to the page */ -#define FIL_PAGE_TYPE 24 /* file page type: FIL_PAGE_INDEX,..., +#define FIL_PAGE_TYPE 24 /*!< file page type: FIL_PAGE_INDEX,..., 2 bytes. The contents of this field can only @@ -106,57 +109,64 @@ extern fil_addr_t fil_addr_null; MySQL/InnoDB 5.1.7 or later, the contents of this field is valid for all uncompressed pages. */ -#define FIL_PAGE_FILE_FLUSH_LSN 26 /* this is only defined for the +#define FIL_PAGE_FILE_FLUSH_LSN 26 /*!< this is only defined for the first page in a data file: the file has been flushed to disk at least up to this lsn */ -#define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /* starting from 4.1.x this +#define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /*!< starting from 4.1.x this contains the space id of the page */ -#define FIL_PAGE_DATA 38 /* start of the data on the page */ - -/* File page trailer */ -#define FIL_PAGE_END_LSN_OLD_CHKSUM 8 /* the low 4 bytes of this are used +#define FIL_PAGE_DATA 38 /*!< start of the data on the page */ +/* @} */ +/** File page trailer @{ */ +#define FIL_PAGE_END_LSN_OLD_CHKSUM 8 /*!< the low 4 bytes of this are used to store the page checksum, the last 4 bytes should be identical to the last 4 bytes of FIL_PAGE_LSN */ -#define FIL_PAGE_DATA_END 8 +#define FIL_PAGE_DATA_END 8 /*!< size of the page trailer */ +/* @} */ -/* File page types (values of FIL_PAGE_TYPE) */ -#define FIL_PAGE_INDEX 17855 /* B-tree node */ -#define FIL_PAGE_UNDO_LOG 2 /* Undo log page */ -#define FIL_PAGE_INODE 3 /* Index node */ -#define FIL_PAGE_IBUF_FREE_LIST 4 /* Insert buffer free list */ +/** File page types (values of FIL_PAGE_TYPE) @{ */ +#define FIL_PAGE_INDEX 17855 /*!< B-tree node */ +#define FIL_PAGE_UNDO_LOG 2 /*!< Undo log page */ +#define FIL_PAGE_INODE 3 /*!< Index node */ +#define FIL_PAGE_IBUF_FREE_LIST 4 /*!< Insert buffer free list */ /* File page types introduced in MySQL/InnoDB 5.1.7 */ -#define FIL_PAGE_TYPE_ALLOCATED 0 /* Freshly allocated page */ -#define FIL_PAGE_IBUF_BITMAP 5 /* Insert buffer bitmap */ -#define FIL_PAGE_TYPE_SYS 6 /* System page */ -#define FIL_PAGE_TYPE_TRX_SYS 7 /* Transaction system data */ -#define FIL_PAGE_TYPE_FSP_HDR 8 /* File space header */ -#define FIL_PAGE_TYPE_XDES 9 /* Extent descriptor page */ -#define FIL_PAGE_TYPE_BLOB 10 /* Uncompressed BLOB page */ -#define FIL_PAGE_TYPE_ZBLOB 11 /* First compressed BLOB page */ -#define FIL_PAGE_TYPE_ZBLOB2 12 /* Subsequent compressed BLOB page */ +#define FIL_PAGE_TYPE_ALLOCATED 0 /*!< Freshly allocated page */ +#define FIL_PAGE_IBUF_BITMAP 5 /*!< Insert buffer bitmap */ +#define FIL_PAGE_TYPE_SYS 6 /*!< System page */ +#define FIL_PAGE_TYPE_TRX_SYS 7 /*!< Transaction system data */ +#define FIL_PAGE_TYPE_FSP_HDR 8 /*!< File space header */ +#define FIL_PAGE_TYPE_XDES 9 /*!< Extent descriptor page */ +#define FIL_PAGE_TYPE_BLOB 10 /*!< Uncompressed BLOB page */ +#define FIL_PAGE_TYPE_ZBLOB 11 /*!< First compressed BLOB page */ +#define FIL_PAGE_TYPE_ZBLOB2 12 /*!< Subsequent compressed BLOB page */ +/* @} */ -/* Space types */ -#define FIL_TABLESPACE 501 -#define FIL_LOG 502 +/** Space types @{ */ +#define FIL_TABLESPACE 501 /*!< tablespace */ +#define FIL_LOG 502 /*!< redo log */ +/* @} */ +/** The number of fsyncs done to the log */ extern ulint fil_n_log_flushes; +/** Number of pending redo log flushes */ extern ulint fil_n_pending_log_flushes; +/** Number of pending tablespace flushes */ extern ulint fil_n_pending_tablespace_flushes; #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Returns the version number of a tablespace, -1 if not found. -@return version number, -1 if the tablespace does not exist in the memory cache */ +@return version number, -1 if the tablespace does not exist in the +memory cache */ UNIV_INTERN ib_int64_t fil_space_get_version( /*==================*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Returns the latch of a file space. @return latch protecting storage allocation */ UNIV_INTERN @@ -166,7 +176,7 @@ fil_space_get_latch( ulint id, /*!< in: space id */ ulint* zip_size);/*!< out: compressed page size, or 0 for uncompressed tablespaces */ -/*********************************************************************** +/*******************************************************************//** Returns the type of a file space. @return FIL_TABLESPACE or FIL_LOG */ UNIV_INTERN @@ -175,7 +185,7 @@ fil_space_get_type( /*===============*/ ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Appends a new file to the chain of files of a space. File must be closed. */ UNIV_INTERN void @@ -188,7 +198,7 @@ fil_node_create( ibool is_raw);/*!< in: TRUE if a raw device or a raw disk partition */ #ifdef UNIV_LOG_ARCHIVE -/******************************************************************** +/****************************************************************//** Drops files from the start of a file space, so that its size is cut by the amount given. */ UNIV_INTERN @@ -200,7 +210,7 @@ fil_space_truncate_start( if this does not equal to the combined size of some initial files in the space */ #endif /* UNIV_LOG_ARCHIVE */ -/*********************************************************************** +/*******************************************************************//** Creates a space memory object and puts it to the 'fil system' hash table. If there is an error, prints an error message to the .err log. @return TRUE if success */ @@ -213,7 +223,7 @@ fil_space_create( ulint zip_size,/*!< in: compressed page size, or 0 for uncompressed tablespaces */ ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ -/*********************************************************************** +/*******************************************************************//** Frees a space object from a the tablespace memory cache. Closes the files in the chain but does not delete them. @return TRUE if success */ @@ -222,7 +232,7 @@ ibool fil_space_free( /*===========*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Returns the size of the space in pages. The tablespace must be cached in the memory cache. @return space size, 0 if space not found */ @@ -231,7 +241,7 @@ ulint fil_space_get_size( /*===============*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Returns the flags of the space. The tablespace must be cached in the memory cache. @return flags, ULINT_UNDEFINED if space not found */ @@ -240,7 +250,7 @@ ulint fil_space_get_flags( /*================*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Returns the compressed page size of the space, or 0 if the space is not compressed. The tablespace must be cached in the memory cache. @return compressed page size, ULINT_UNDEFINED if space not found */ @@ -249,7 +259,7 @@ ulint fil_space_get_zip_size( /*===================*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Checks if the pair space, page_no refers to an existing page in a tablespace file space. The tablespace must be cached in the memory cache. @return TRUE if the address is meaningful */ @@ -259,7 +269,7 @@ fil_check_adress_in_tablespace( /*===========================*/ ulint id, /*!< in: space id */ ulint page_no);/*!< in: page number */ -/******************************************************************** +/****************************************************************//** Initializes the tablespace memory cache. */ UNIV_INTERN void @@ -267,7 +277,7 @@ fil_init( /*=====*/ ulint hash_size, /*!< in: hash table size */ ulint max_n_open); /*!< in: max number of open files */ -/*********************************************************************** +/*******************************************************************//** Opens all log files and system tablespace data files. They stay open until the database server shutdown. This should be called at a server startup after the space objects for the log and the system tablespace have been created. The @@ -277,14 +287,14 @@ UNIV_INTERN void fil_open_log_and_system_tablespace_files(void); /*==========================================*/ -/*********************************************************************** +/*******************************************************************//** Closes all open files. There must not be any pending i/o's or not flushed modifications in the files. */ UNIV_INTERN void fil_close_all_files(void); /*=====================*/ -/*********************************************************************** +/*******************************************************************//** Sets the max tablespace id counter if the given number is bigger than the previous value. */ UNIV_INTERN @@ -293,7 +303,7 @@ fil_set_max_space_id_if_bigger( /*===========================*/ ulint max_id);/*!< in: maximum known id */ #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Writes the flushed lsn and the latest archived log number to the page header of the first page of each data file in the system tablespace. @return DB_SUCCESS or error number */ @@ -304,7 +314,7 @@ fil_write_flushed_lsn_to_data_files( ib_uint64_t lsn, /*!< in: lsn to write */ ulint arch_log_no); /*!< in: latest archived log file number */ -/*********************************************************************** +/*******************************************************************//** Reads the flushed lsn and arch no fields from a data file at database startup. */ UNIV_INTERN @@ -321,7 +331,7 @@ fil_read_flushed_lsn_and_arch_log_no( #endif /* UNIV_LOG_ARCHIVE */ ib_uint64_t* min_flushed_lsn, /*!< in/out: */ ib_uint64_t* max_flushed_lsn); /*!< in/out: */ -/*********************************************************************** +/*******************************************************************//** Increments the count of pending insert buffer page merges, if space is not being deleted. @return TRUE if being deleted, and ibuf merges should be skipped */ @@ -330,7 +340,7 @@ ibool fil_inc_pending_ibuf_merges( /*========================*/ ulint id); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Decrements the count of pending insert buffer page merges. */ UNIV_INTERN void @@ -338,7 +348,7 @@ fil_decr_pending_ibuf_merges( /*=========================*/ ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Parses the body of a log record written about an .ibd file operation. That is, the log record part after the standard (type, space id, page no) header of the log record. @@ -350,7 +360,8 @@ created does not exist, then we create the directory, too. Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the datadir that we should use in replaying the file operations. -@return end of log record, or NULL if the record was not completely contained between ptr and end_ptr */ +@return end of log record, or NULL if the record was not completely +contained between ptr and end_ptr */ UNIV_INTERN byte* fil_op_log_parse_or_replay( @@ -365,7 +376,7 @@ fil_op_log_parse_or_replay( only be parsed but not replayed */ ulint log_flags); /*!< in: redo log flags (stored in the page number parameter) */ -/*********************************************************************** +/*******************************************************************//** Deletes a single-table tablespace. The tablespace must be cached in the memory cache. @return TRUE if success */ @@ -375,7 +386,7 @@ fil_delete_tablespace( /*==================*/ ulint id); /*!< in: space id */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Discards a single-table tablespace. The tablespace must be cached in the memory cache. Discarding is like deleting a tablespace, but 1) we do not drop the table from the data dictionary; @@ -390,7 +401,7 @@ fil_discard_tablespace( /*===================*/ ulint id); /*!< in: space id */ #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Renames a single-table tablespace. The tablespace must be cached in the tablespace memory cache. @return TRUE if success */ @@ -407,7 +418,7 @@ fil_rename_tablespace( databasename/tablename format of InnoDB */ -/*********************************************************************** +/*******************************************************************//** Creates a new single-table tablespace to a database directory of MySQL. Database directories are under the 'datadir' of MySQL. The datadir is the directory of a running mysqld program. We can refer to it by simply the @@ -432,7 +443,7 @@ fil_create_new_single_table_tablespace( tablespace file in pages, must be >= FIL_IBD_FILE_INITIAL_SIZE */ #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Tries to open a single-table tablespace and optionally checks the space id is right in it. If does not succeed, prints an error message to the .err log. This function is used to open a tablespace when we start up mysqld, and also in @@ -457,7 +468,7 @@ fil_open_single_table_tablespace( ulint flags, /*!< in: tablespace flags */ const char* name); /*!< in: table name in the databasename/tablename format */ -/************************************************************************ +/********************************************************************//** It is possible, though very improbable, that the lsn's in the tablespace to be imported have risen above the current system lsn, if a lengthy purge, ibuf merge, or rollback was performed on a backup taken with ibbackup. If that is @@ -477,7 +488,7 @@ fil_reset_too_high_lsns( to FIL_PAGE_FILE_FLUSH_LSN in the first page is too high */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** At the server startup, if we need crash recovery, scans the database directories under the MySQL datadir, looking for .ibd files. Those files are single-table tablespaces. We need to know the space id in each of them so that @@ -489,7 +500,7 @@ UNIV_INTERN ulint fil_load_single_table_tablespaces(void); /*===================================*/ -/************************************************************************ +/********************************************************************//** If we need crash recovery, and we have called fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), we can call this function to print an error message of orphaned .ibd files @@ -499,7 +510,7 @@ UNIV_INTERN void fil_print_orphaned_tablespaces(void); /*================================*/ -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a single-table tablespace does not exist in the memory cache, or is being deleted there. @return TRUE if does not exist or is being\ deleted */ @@ -511,7 +522,7 @@ fil_tablespace_deleted_or_being_deleted_in_mem( ib_int64_t version);/*!< in: tablespace_version should be this; if you pass -1 as the value of this, then this parameter is ignored */ -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a single-table tablespace exists in the memory cache. @return TRUE if exists */ UNIV_INTERN @@ -520,7 +531,7 @@ fil_tablespace_exists_in_mem( /*=========================*/ ulint id); /*!< in: space id */ #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory cache. Note that if we have not done a crash recovery at the database startup, there may be many tablespaces which are not yet in the memory cache. @@ -547,7 +558,7 @@ fil_space_for_table_exists_in_mem( matching tablespace is not found from memory */ #else /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Extends all tablespaces to the size stored in the space header. During the ibbackup --apply-log phase we extended the spaces on-demand so that log records could be appllied, but that may have left spaces still too small compared to @@ -557,7 +568,7 @@ void fil_extend_tablespaces_to_stored_len(void); /*======================================*/ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Tries to extend a data file so that it would accommodate the number of pages given. The tablespace must be cached in the memory cache. If the space is big enough already, does nothing. @@ -573,7 +584,7 @@ fil_extend_space_to_desired_size( ulint size_after_extend);/*!< in: desired size in pages after the extension; if the current space size is bigger than this already, the function does nothing */ -/*********************************************************************** +/*******************************************************************//** Tries to reserve free extents in a file space. @return TRUE if succeed */ UNIV_INTERN @@ -583,7 +594,7 @@ fil_space_reserve_free_extents( ulint id, /*!< in: space id */ ulint n_free_now, /*!< in: number of free extents now */ ulint n_to_reserve); /*!< in: how many one wants to reserve */ -/*********************************************************************** +/*******************************************************************//** Releases free extents in a file space. */ UNIV_INTERN void @@ -591,7 +602,7 @@ fil_space_release_free_extents( /*===========================*/ ulint id, /*!< in: space id */ ulint n_reserved); /*!< in: how many one reserved */ -/*********************************************************************** +/*******************************************************************//** Gets the number of reserved extents. If the database is silent, this number should be zero. */ UNIV_INTERN @@ -599,9 +610,10 @@ ulint fil_space_get_n_reserved_extents( /*=============================*/ ulint id); /*!< in: space id */ -/************************************************************************ +/********************************************************************//** Reads or writes data. This operation is asynchronous (aio). -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do i/o on a tablespace which does not exist */ +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ UNIV_INTERN ulint fil_io( @@ -631,7 +643,7 @@ fil_io( appropriately aligned */ void* message); /*!< in: message for aio handler if non-sync aio used, else ignored */ -/************************************************************************** +/**********************************************************************//** Waits for an aio operation to complete. This function is used to write the handler for completed requests. The aio array of pending requests is divided into segments (see os0file.c for more info). The thread specifies which @@ -642,7 +654,7 @@ fil_aio_wait( /*=========*/ ulint segment); /*!< in: the number of the segment in the aio array to wait for */ -/************************************************************************** +/**********************************************************************//** Flushes to disk possible writes cached by the OS. If the space does not exist or is being dropped, does not do anything. */ UNIV_INTERN @@ -651,7 +663,7 @@ fil_flush( /*======*/ ulint space_id); /*!< in: file space id (this can be a group of log files or a tablespace of the database) */ -/************************************************************************** +/**********************************************************************//** Flushes to disk writes in file spaces of the given type possibly cached by the OS. */ UNIV_INTERN @@ -659,14 +671,14 @@ void fil_flush_file_spaces( /*==================*/ ulint purpose); /*!< in: FIL_TABLESPACE, FIL_LOG */ -/********************************************************************** +/******************************************************************//** Checks the consistency of the tablespace cache. @return TRUE if ok */ UNIV_INTERN ibool fil_validate(void); /*==============*/ -/************************************************************************ +/********************************************************************//** Returns TRUE if file address is undefined. @return TRUE if undefined */ UNIV_INTERN @@ -674,7 +686,7 @@ ibool fil_addr_is_null( /*=============*/ fil_addr_t addr); /*!< in: address */ -/************************************************************************ +/********************************************************************//** Get the predecessor of a file page. @return FIL_PAGE_PREV */ UNIV_INTERN @@ -682,7 +694,7 @@ ulint fil_page_get_prev( /*==============*/ const byte* page); /*!< in: file page */ -/************************************************************************ +/********************************************************************//** Get the successor of a file page. @return FIL_PAGE_NEXT */ UNIV_INTERN @@ -690,7 +702,7 @@ ulint fil_page_get_next( /*==============*/ const byte* page); /*!< in: file page */ -/************************************************************************* +/*********************************************************************//** Sets the file page type. */ UNIV_INTERN void @@ -698,9 +710,10 @@ fil_page_set_type( /*==============*/ byte* page, /*!< in/out: file page */ ulint type); /*!< in: type */ -/************************************************************************* +/*********************************************************************//** Gets the file page type. -@return type; NOTE that if the type has not been written to page, the return value not defined */ +@return type; NOTE that if the type has not been written to page, the +return value not defined */ UNIV_INTERN ulint fil_page_get_type( diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index 74b77b58972..d6c61b1338f 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/fsp0fsp.h File space management Created 12/18/1995 Heikki Tuuri @@ -32,36 +33,44 @@ Created 12/18/1995 Heikki Tuuri #include "ut0byte.h" #include "page0types.h" -/* If records are inserted in order, there are the following +/** If records are inserted in order, there are the following flags to tell this (their type is made byte for the compiler to warn if direction and hint parameters are switched in fseg_alloc_free_page): */ -#define FSP_UP ((byte)111) /* alphabetically upwards */ -#define FSP_DOWN ((byte)112) /* alphabetically downwards */ -#define FSP_NO_DIR ((byte)113) /* no order */ +/* @{ */ +#define FSP_UP ((byte)111) /*!< alphabetically upwards */ +#define FSP_DOWN ((byte)112) /*!< alphabetically downwards */ +#define FSP_NO_DIR ((byte)113) /*!< no order */ +/* @} */ -/* File space extent size (one megabyte) in pages */ +/** File space extent size (one megabyte) in pages */ #define FSP_EXTENT_SIZE (1 << (20 - UNIV_PAGE_SIZE_SHIFT)) -/* On a page of any file segment, data may be put starting from this offset: */ +/** On a page of any file segment, data may be put starting from this +offset */ #define FSEG_PAGE_DATA FIL_PAGE_DATA -/* File segment header which points to the inode describing the file segment */ +/** File segment header which points to the inode describing the file +segment */ +/* @{ */ +/** Data type for file segment header */ typedef byte fseg_header_t; -#define FSEG_HDR_SPACE 0 /* space id of the inode */ -#define FSEG_HDR_PAGE_NO 4 /* page number of the inode */ -#define FSEG_HDR_OFFSET 8 /* byte offset of the inode */ +#define FSEG_HDR_SPACE 0 /*!< space id of the inode */ +#define FSEG_HDR_PAGE_NO 4 /*!< page number of the inode */ +#define FSEG_HDR_OFFSET 8 /*!< byte offset of the inode */ -#define FSEG_HEADER_SIZE 10 +#define FSEG_HEADER_SIZE 10 /*!< Length of the file system + header, in bytes */ +/* @} */ -/************************************************************************** +/**********************************************************************//** Initializes the file space system. */ UNIV_INTERN void fsp_init(void); /*==========*/ -/************************************************************************** +/**********************************************************************//** Gets the current free limit of the system tablespace. The free limit means the place of the first page which has never been put to the the free list for allocation. The space above that address is initialized @@ -71,7 +80,7 @@ UNIV_INTERN ulint fsp_header_get_free_limit(void); /*===========================*/ -/************************************************************************** +/**********************************************************************//** Gets the size of the system tablespace from the tablespace header. If we do not have an auto-extending data file, this should be equal to the size of the data files. If there is an auto-extending data file, @@ -81,7 +90,7 @@ UNIV_INTERN ulint fsp_header_get_tablespace_size(void); /*================================*/ -/************************************************************************** +/**********************************************************************//** Reads the file space size stored in the header page. @return tablespace size stored in the space header */ UNIV_INTERN @@ -89,7 +98,7 @@ ulint fsp_get_size_low( /*=============*/ page_t* page); /*!< in: header page (page 0 in the tablespace) */ -/************************************************************************** +/**********************************************************************//** Reads the space id from the first page of a tablespace. @return space id, ULINT UNDEFINED if error */ UNIV_INTERN @@ -97,7 +106,7 @@ ulint fsp_header_get_space_id( /*====================*/ const page_t* page); /*!< in: first page of a tablespace */ -/************************************************************************** +/**********************************************************************//** Reads the space flags from the first page of a tablespace. @return flags */ UNIV_INTERN @@ -105,7 +114,7 @@ ulint fsp_header_get_flags( /*=================*/ const page_t* page); /*!< in: first page of a tablespace */ -/************************************************************************** +/**********************************************************************//** Reads the compressed page size from the first page of a tablespace. @return compressed page size in bytes, or 0 if uncompressed */ UNIV_INTERN @@ -113,7 +122,7 @@ ulint fsp_header_get_zip_size( /*====================*/ const page_t* page); /*!< in: first page of a tablespace */ -/************************************************************************** +/**********************************************************************//** Writes the space id and compressed page size to a tablespace header. This function is used past the buffer pool when we in fil0fil.c create a new single-table tablespace. */ @@ -125,7 +134,7 @@ fsp_header_init_fields( ulint space_id, /*!< in: space id */ ulint flags); /*!< in: tablespace flags (FSP_SPACE_FLAGS): 0, or table->flags if newer than COMPACT */ -/************************************************************************** +/**********************************************************************//** Initializes the space header of a new created space and creates also the insert buffer tree root if space == 0. */ UNIV_INTERN @@ -135,7 +144,7 @@ fsp_header_init( ulint space, /*!< in: space id */ ulint size, /*!< in: current size in blocks */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************** +/**********************************************************************//** Increases the space size field of a space. */ UNIV_INTERN void @@ -144,9 +153,10 @@ fsp_header_inc_size( ulint space, /*!< in: space id */ ulint size_inc,/*!< in: size increment in pages */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************** +/**********************************************************************//** Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create( @@ -159,9 +169,10 @@ fseg_create( ulint byte_offset, /*!< in: byte offset of the created segment header on the page */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL if could not create segment because of lack of space */ +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ UNIV_INTERN buf_block_t* fseg_create_general( @@ -180,7 +191,7 @@ fseg_create_general( no need to do the check for this individual operation */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Calculates the number of pages reserved by a segment, and how many pages are currently used. @return number of reserved pages */ @@ -191,7 +202,7 @@ fseg_n_reserved_pages( fseg_header_t* header, /*!< in: segment header */ ulint* used, /*!< out: number of pages used (<= reserved) */ mtr_t* mtr); /*!< in: mtr handle */ -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -208,7 +219,7 @@ fseg_alloc_free_page( direction they go alphabetically: FSP_DOWN, FSP_UP, FSP_NO_DIR */ mtr_t* mtr); /*!< in: mtr handle */ -/************************************************************************** +/**********************************************************************//** Allocates a single free page from a segment. This function implements the intelligent allocation strategy which tries to minimize file space fragmentation. @@ -230,7 +241,7 @@ fseg_alloc_free_page_general( is no need to do the check for this individual page */ mtr_t* mtr); /*!< in: mtr handle */ -/************************************************************************** +/**********************************************************************//** Reserves free pages from a tablespace. All mini-transactions which may use several pages from the tablespace should call this function beforehand and reserve enough free extents so that they certainly will be able @@ -267,7 +278,7 @@ fsp_reserve_free_extents( ulint n_ext, /*!< in: number of extents to reserve */ ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** This function should be used to get information on how much we still will be able to insert new data to the database without running out the tablespace. Only free extents are taken into account and we also subtract @@ -278,7 +289,7 @@ ullint fsp_get_available_space_in_free_extents( /*====================================*/ ulint space); /*!< in: space id */ -/************************************************************************** +/**********************************************************************//** Frees a single page of a segment. */ UNIV_INTERN void @@ -288,7 +299,7 @@ fseg_free_page( ulint space, /*!< in: space id */ ulint page, /*!< in: page offset */ mtr_t* mtr); /*!< in: mtr handle */ -/*********************************************************************** +/*******************************************************************//** Frees a segment. The freeing is performed in several mini-transactions, so that there is no danger of bufferfixing too many buffer pages. */ UNIV_INTERN @@ -302,7 +313,7 @@ fseg_free( placed */ ulint offset);/*!< in: byte offset of the segment header on that page */ -/************************************************************************** +/**********************************************************************//** Frees part of a segment. This function can be used to free a segment by repeatedly calling this function in different mini-transactions. Doing the freeing in a single mini-transaction might result in @@ -317,7 +328,7 @@ fseg_free_step( of the segment, this pointer becomes obsolete after the last freeing step */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Frees part of a segment. Differs from fseg_free_step because this function leaves the header page unfreed. @return TRUE if freeing completed, except the header page */ @@ -328,7 +339,7 @@ fseg_free_step_not_header( fseg_header_t* header, /*!< in: segment header which must reside on the first fragment page of the segment */ mtr_t* mtr); /*!< in: mtr */ -/*************************************************************************** +/***********************************************************************//** Checks if a page address is an extent descriptor page address. @return TRUE if a descriptor page */ UNIV_INLINE @@ -338,7 +349,7 @@ fsp_descr_page( ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ ulint page_no);/*!< in: page number */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of a file page init. @return end of log record or NULL */ UNIV_INTERN @@ -348,7 +359,7 @@ fsp_parse_init_file_page( byte* ptr, /*!< in: buffer */ byte* end_ptr, /*!< in: buffer end */ buf_block_t* block); /*!< in: block or NULL */ -/*********************************************************************** +/*******************************************************************//** Validates the file space system and its segments. @return TRUE if ok */ UNIV_INTERN @@ -356,14 +367,14 @@ ibool fsp_validate( /*=========*/ ulint space); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Prints info of a file space. */ UNIV_INTERN void fsp_print( /*======*/ ulint space); /*!< in: space id */ -/*********************************************************************** +/*******************************************************************//** Validates a segment. @return TRUE if ok */ UNIV_INTERN @@ -373,7 +384,7 @@ fseg_validate( fseg_header_t* header, /*!< in: segment header */ mtr_t* mtr2); /*!< in: mtr */ #ifdef UNIV_BTR_PRINT -/*********************************************************************** +/*******************************************************************//** Writes info of a segment. */ UNIV_INTERN void diff --git a/include/fsp0fsp.ic b/include/fsp0fsp.ic index 1f2e5b102a8..434c370b527 100644 --- a/include/fsp0fsp.ic +++ b/include/fsp0fsp.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/fsp0fsp.ic File space management Created 12/18/1995 Heikki Tuuri *******************************************************/ -/*************************************************************************** +/***********************************************************************//** Checks if a page address is an extent descriptor page address. @return TRUE if a descriptor page */ UNIV_INLINE diff --git a/include/fut0fut.h b/include/fut0fut.h index e06ca51c092..dce20b3bad6 100644 --- a/include/fut0fut.h +++ b/include/fut0fut.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/fut0fut.h File-based utilities Created 12/13/1995 Heikki Tuuri @@ -31,9 +32,10 @@ Created 12/13/1995 Heikki Tuuri #include "fil0fil.h" #include "mtr0mtr.h" -/************************************************************************ +/********************************************************************//** Gets a pointer to a file address and latches the page. -@return pointer to a byte in a frame; the file page in the frame is bufferfixed and latched */ +@return pointer to a byte in a frame; the file page in the frame is +bufferfixed and latched */ UNIV_INLINE byte* fut_get_ptr( diff --git a/include/fut0fut.ic b/include/fut0fut.ic index 5227aa2ea2e..0b52719a055 100644 --- a/include/fut0fut.ic +++ b/include/fut0fut.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/fut0fut.ic File-based utilities Created 12/13/1995 Heikki Tuuri @@ -25,9 +26,10 @@ Created 12/13/1995 Heikki Tuuri #include "sync0rw.h" #include "buf0buf.h" -/************************************************************************ +/********************************************************************//** Gets a pointer to a file address and latches the page. -@return pointer to a byte in a frame; the file page in the frame is bufferfixed and latched */ +@return pointer to a byte in a frame; the file page in the frame is +bufferfixed and latched */ UNIV_INLINE byte* fut_get_ptr( diff --git a/include/fut0lst.h b/include/fut0lst.h index 87dcb63c340..fe024c2498f 100644 --- a/include/fut0lst.h +++ b/include/fut0lst.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/fut0lst.h File-based list utilities Created 11/28/1995 Heikki Tuuri @@ -45,7 +46,7 @@ typedef byte flst_node_t; #define FLST_NODE_SIZE (2 * FIL_ADDR_SIZE) #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Initializes a list base node. */ UNIV_INLINE void @@ -53,7 +54,7 @@ flst_init( /*======*/ flst_base_node_t* base, /*!< in: pointer to base node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Adds a node as the last node in a list. */ UNIV_INTERN void @@ -62,7 +63,7 @@ flst_add_last( flst_base_node_t* base, /*!< in: pointer to base node of list */ flst_node_t* node, /*!< in: node to add */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Adds a node as the first node in a list. */ UNIV_INTERN void @@ -71,7 +72,7 @@ flst_add_first( flst_base_node_t* base, /*!< in: pointer to base node of list */ flst_node_t* node, /*!< in: node to add */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Inserts a node after another in a list. */ UNIV_INTERN void @@ -81,7 +82,7 @@ flst_insert_after( flst_node_t* node1, /*!< in: node to insert after */ flst_node_t* node2, /*!< in: node to add */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Inserts a node before another in a list. */ UNIV_INTERN void @@ -91,7 +92,7 @@ flst_insert_before( flst_node_t* node2, /*!< in: node to insert */ flst_node_t* node3, /*!< in: node to insert before */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Removes a node. */ UNIV_INTERN void @@ -100,7 +101,7 @@ flst_remove( flst_base_node_t* base, /*!< in: pointer to base node of list */ flst_node_t* node2, /*!< in: node to remove */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Cuts off the tail of the list, including the node given. The number of nodes which will be removed must be provided by the caller, as this function does not measure the length of the tail. */ @@ -113,7 +114,7 @@ flst_cut_end( ulint n_nodes,/*!< in: number of nodes to remove, must be >= 1 */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Cuts off the tail of the list, not including the given node. The number of nodes which will be removed must be provided by the caller, as this function does not measure the length of the tail. */ @@ -125,7 +126,7 @@ flst_truncate_end( flst_node_t* node2, /*!< in: first node not to remove */ ulint n_nodes,/*!< in: number of nodes to remove */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Gets list length. @return length */ UNIV_INLINE @@ -134,7 +135,7 @@ flst_get_len( /*=========*/ const flst_base_node_t* base, /*!< in: pointer to base node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Gets list first node address. @return file address */ UNIV_INLINE @@ -143,7 +144,7 @@ flst_get_first( /*===========*/ const flst_base_node_t* base, /*!< in: pointer to base node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Gets list last node address. @return file address */ UNIV_INLINE @@ -152,7 +153,7 @@ flst_get_last( /*==========*/ const flst_base_node_t* base, /*!< in: pointer to base node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Gets list next node address. @return file address */ UNIV_INLINE @@ -161,7 +162,7 @@ flst_get_next_addr( /*===============*/ const flst_node_t* node, /*!< in: pointer to node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Gets list prev node address. @return file address */ UNIV_INLINE @@ -170,7 +171,7 @@ flst_get_prev_addr( /*===============*/ const flst_node_t* node, /*!< in: pointer to node */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Writes a file address. */ UNIV_INLINE void @@ -179,7 +180,7 @@ flst_write_addr( fil_faddr_t* faddr, /*!< in: pointer to file faddress */ fil_addr_t addr, /*!< in: file address */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Reads a file address. @return file address */ UNIV_INLINE @@ -188,7 +189,7 @@ flst_read_addr( /*===========*/ const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************************ +/********************************************************************//** Validates a file-based list. @return TRUE if ok */ UNIV_INTERN @@ -197,7 +198,7 @@ flst_validate( /*==========*/ const flst_base_node_t* base, /*!< in: pointer to base node of list */ mtr_t* mtr1); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** Prints info of a file-based list. */ UNIV_INTERN void diff --git a/include/fut0lst.ic b/include/fut0lst.ic index 947d2a152f3..dcd13c61871 100644 --- a/include/fut0lst.ic +++ b/include/fut0lst.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/fut0lst.ic File-based list utilities Created 11/28/1995 Heikki Tuuri @@ -42,7 +43,7 @@ Created 11/28/1995 Heikki Tuuri last element of the list; undefined if empty list */ -/************************************************************************ +/********************************************************************//** Writes a file address. */ UNIV_INLINE void @@ -62,7 +63,7 @@ flst_write_addr( MLOG_2BYTES, mtr); } -/************************************************************************ +/********************************************************************//** Reads a file address. @return file address */ UNIV_INLINE @@ -84,7 +85,7 @@ flst_read_addr( return(addr); } -/************************************************************************ +/********************************************************************//** Initializes a list base node. */ UNIV_INLINE void @@ -100,7 +101,7 @@ flst_init( flst_write_addr(base + FLST_LAST, fil_addr_null, mtr); } -/************************************************************************ +/********************************************************************//** Gets list length. @return length */ UNIV_INLINE @@ -113,7 +114,7 @@ flst_get_len( return(mtr_read_ulint(base + FLST_LEN, MLOG_4BYTES, mtr)); } -/************************************************************************ +/********************************************************************//** Gets list first node address. @return file address */ UNIV_INLINE @@ -126,7 +127,7 @@ flst_get_first( return(flst_read_addr(base + FLST_FIRST, mtr)); } -/************************************************************************ +/********************************************************************//** Gets list last node address. @return file address */ UNIV_INLINE @@ -139,7 +140,7 @@ flst_get_last( return(flst_read_addr(base + FLST_LAST, mtr)); } -/************************************************************************ +/********************************************************************//** Gets list next node address. @return file address */ UNIV_INLINE @@ -152,7 +153,7 @@ flst_get_next_addr( return(flst_read_addr(node + FLST_NEXT, mtr)); } -/************************************************************************ +/********************************************************************//** Gets list prev node address. @return file address */ UNIV_INLINE diff --git a/include/ha0ha.h b/include/ha0ha.h index 591682c0be0..f4ec01dd88a 100644 --- a/include/ha0ha.h +++ b/include/ha0ha.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ha0ha.h The hash table with external chains Created 8/18/1994 Heikki Tuuri @@ -31,23 +32,24 @@ Created 8/18/1994 Heikki Tuuri #include "page0types.h" #include "buf0types.h" -/***************************************************************** +/*************************************************************//** Looks for an element in a hash table. -@return pointer to the data of the first hash table node in chain having the fold number, NULL if not found */ +@return pointer to the data of the first hash table node in chain +having the fold number, NULL if not found */ UNIV_INLINE void* ha_search_and_get_data( /*===================*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: folded value of the searched data */ -/************************************************************* +/*********************************************************//** Looks for an element when we know the pointer to the data and updates the pointer to data if found. */ UNIV_INTERN void ha_search_and_update_if_found_func( /*===============================*/ - hash_table_t* table, /*!< in: hash table */ + hash_table_t* table, /*!< in/out: hash table */ ulint fold, /*!< in: folded value of the searched data */ void* data, /*!< in: pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG @@ -56,15 +58,29 @@ ha_search_and_update_if_found_func( void* new_data);/*!< in: new pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** Looks for an element when we know the pointer to the data and +updates the pointer to data if found. +@param table in/out: hash table +@param fold in: folded value of the searched data +@param data in: pointer to the data +@param new_block in: block containing new_data +@param new_data in: new pointer to the data */ # define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ ha_search_and_update_if_found_func(table,fold,data,new_block,new_data) #else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** Looks for an element when we know the pointer to the data and +updates the pointer to data if found. +@param table in/out: hash table +@param fold in: folded value of the searched data +@param data in: pointer to the data +@param new_block ignored: block containing new_data +@param new_data in: new pointer to the data */ # define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ ha_search_and_update_if_found_func(table,fold,data,new_data) #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/***************************************************************** -Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. +/*************************************************************//** +Creates a hash table with at least n array cells. The actual number +of cells is chosen to be a prime number slightly bigger than n. @return own: created table */ UNIV_INTERN hash_table_t* @@ -76,14 +92,28 @@ ha_create_func( order: this is used in the debug version */ #endif /* UNIV_SYNC_DEBUG */ ulint n_mutexes); /*!< in: number of mutexes to protect the - hash table: must be a power of 2 */ + hash table: must be a power of 2, or 0 */ #ifdef UNIV_SYNC_DEBUG +/** Creates a hash table. +@return own: created table +@param n_c in: number of array cells. The actual number of cells is +chosen to be a slightly bigger prime number. +@param level in: level of the mutexes in the latching order +@param n_m in: number of mutexes to protect the hash table; + must be a power of 2, or 0 */ # define ha_create(n_c,n_m,level) ha_create_func(n_c,level,n_m) #else /* UNIV_SYNC_DEBUG */ +/** Creates a hash table. +@return own: created table +@param n_c in: number of array cells. The actual number of cells is +chosen to be a slightly bigger prime number. +@param level in: level of the mutexes in the latching order +@param n_m in: number of mutexes to protect the hash table; + must be a power of 2, or 0 */ # define ha_create(n_c,n_m,level) ha_create_func(n_c,n_m) #endif /* UNIV_SYNC_DEBUG */ -/***************************************************************** +/*************************************************************//** Empties a hash table and frees the memory heaps. */ UNIV_INTERN void @@ -91,7 +121,7 @@ ha_clear( /*=====*/ hash_table_t* table); /*!< in, own: hash table */ -/***************************************************************** +/*************************************************************//** Inserts an entry into a hash table. If an entry with the same fold number is found, its node is updated to point to the new data, and no new node is inserted. @@ -111,12 +141,30 @@ ha_insert_for_fold_func( void* data); /*!< in: data, must not be NULL */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated +@param t in: hash table +@param f in: folded value of data +@param b in: buffer block containing the data +@param d in: data, must not be NULL */ # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,b,d) #else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated +@param t in: hash table +@param f in: folded value of data +@param b ignored: buffer block containing the data +@param d in: data, must not be NULL */ # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,d) #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/***************************************************************** +/*************************************************************//** Deletes an entry from a hash table. */ UNIV_INTERN void @@ -126,7 +174,7 @@ ha_delete( ulint fold, /*!< in: folded value of data */ void* data); /*!< in: data, must not be NULL and must exist in the hash table */ -/************************************************************* +/*********************************************************//** Looks for an element when we know the pointer to the data and deletes it from the hash table if found. @return TRUE if found */ @@ -138,7 +186,7 @@ ha_search_and_delete_if_found( ulint fold, /*!< in: folded value of the searched data */ void* data); /*!< in: pointer to the data */ #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Removes from the chain determined by fold all nodes whose data pointer points to the page given. */ UNIV_INTERN @@ -148,7 +196,7 @@ ha_remove_all_nodes_to_page( hash_table_t* table, /*!< in: hash table */ ulint fold, /*!< in: fold value */ const page_t* page); /*!< in: buffer page */ -/***************************************************************** +/*************************************************************//** Validates a given range of the cells in hash table. @return TRUE if ok */ UNIV_INTERN @@ -158,7 +206,7 @@ ha_validate( hash_table_t* table, /*!< in: hash table */ ulint start_index, /*!< in: start index */ ulint end_index); /*!< in: end index */ -/***************************************************************** +/*************************************************************//** Prints info of a hash table. */ UNIV_INTERN void @@ -168,22 +216,31 @@ ha_print_info( hash_table_t* table); /*!< in: hash table */ #endif /* !UNIV_HOTBACKUP */ -/* The hash table external chain node */ - +/** The hash table external chain node */ typedef struct ha_node_struct ha_node_t; + +/** The hash table external chain node */ struct ha_node_struct { - ha_node_t* next; /* next chain node or NULL if none */ + ha_node_t* next; /*!< next chain node or NULL if none */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block; /* buffer block containing the data, or NULL */ + buf_block_t* block; /*!< buffer block containing the data, or NULL */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data; /* pointer to the data */ - ulint fold; /* fold value for the data */ + void* data; /*!< pointer to the data */ + ulint fold; /*!< fold value for the data */ }; #ifndef UNIV_HOTBACKUP +/** Assert that the current thread is holding the mutex protecting a +hash bucket corresponding to a fold value. +@param table in: hash table +@param fold in: fold value */ # define ASSERT_HASH_MUTEX_OWN(table, fold) \ ut_ad(!(table)->mutexes || mutex_own(hash_get_mutex(table, fold))) #else /* !UNIV_HOTBACKUP */ +/** Assert that the current thread is holding the mutex protecting a +hash bucket corresponding to a fold value. +@param table in: hash table +@param fold in: fold value */ # define ASSERT_HASH_MUTEX_OWN(table, fold) ((void) 0) #endif /* !UNIV_HOTBACKUP */ diff --git a/include/ha0ha.ic b/include/ha0ha.ic index 6b2e9db5cd5..734403c4cd9 100644 --- a/include/ha0ha.ic +++ b/include/ha0ha.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/ha0ha.ic The hash table with external chains Created 8/18/1994 Heikki Tuuri @@ -25,7 +26,7 @@ Created 8/18/1994 Heikki Tuuri #include "ut0rnd.h" #include "mem0mem.h" -/*************************************************************** +/***********************************************************//** Deletes a hash node. */ UNIV_INTERN void @@ -34,7 +35,7 @@ ha_delete_hash_node( hash_table_t* table, /*!< in: hash table */ ha_node_t* del_node); /*!< in: node to be deleted */ -/********************************************************************** +/******************************************************************//** Gets a hash node data. @return pointer to the data */ UNIV_INLINE @@ -46,7 +47,7 @@ ha_node_get_data( return(node->data); } -/********************************************************************** +/******************************************************************//** Sets hash node data. */ UNIV_INLINE void @@ -65,12 +66,20 @@ ha_node_set_data_func( } #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** Sets hash node data. +@param n in: hash chain node +@param b in: buffer block containing the data +@param d in: pointer to the data */ # define ha_node_set_data(n,b,d) ha_node_set_data_func(n,b,d) #else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** Sets hash node data. +@param n in: hash chain node +@param b in: buffer block containing the data +@param d in: pointer to the data */ # define ha_node_set_data(n,b,d) ha_node_set_data_func(n,d) #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/********************************************************************** +/******************************************************************//** Gets the next node in a hash chain. @return next node, NULL if none */ UNIV_INLINE @@ -82,7 +91,7 @@ ha_chain_get_next( return(node->next); } -/********************************************************************** +/******************************************************************//** Gets the first node in a hash chain. @return first node, NULL if none */ UNIV_INLINE @@ -96,9 +105,10 @@ ha_chain_get_first( hash_get_nth_cell(table, hash_calc_hash(fold, table))->node); } -/***************************************************************** +/*************************************************************//** Looks for an element in a hash table. -@return pointer to the first hash table node in chain having the fold number, NULL if not found */ +@return pointer to the first hash table node in chain having the fold +number, NULL if not found */ UNIV_INLINE ha_node_t* ha_search( @@ -124,9 +134,10 @@ ha_search( return(NULL); } -/***************************************************************** +/*************************************************************//** Looks for an element in a hash table. -@return pointer to the data of the first hash table node in chain having the fold number, NULL if not found */ +@return pointer to the data of the first hash table node in chain +having the fold number, NULL if not found */ UNIV_INLINE void* ha_search_and_get_data( @@ -152,7 +163,7 @@ ha_search_and_get_data( return(NULL); } -/************************************************************* +/*********************************************************//** Looks for an element when we know the pointer to the data. @return pointer to the hash table node, NULL if not found in the table */ UNIV_INLINE @@ -181,7 +192,7 @@ ha_search_with_data( return(NULL); } -/************************************************************* +/*********************************************************//** Looks for an element when we know the pointer to the data, and deletes it from the hash table, if found. @return TRUE if found */ diff --git a/include/ha0storage.h b/include/ha0storage.h index 8b71918f9d3..c30bd840579 100644 --- a/include/ha0storage.h +++ b/include/ha0storage.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ha0storage.h Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. @@ -29,17 +30,18 @@ Created September 22, 2007 Vasil Dimov #include "univ.i" -/* This value is used by default by ha_storage_create(). More memory +/** This value is used by default by ha_storage_create(). More memory is allocated later when/if it is needed. */ #define HA_STORAGE_DEFAULT_HEAP_BYTES 1024 -/* This value is used by default by ha_storage_create(). It is a +/** This value is used by default by ha_storage_create(). It is a constant per ha_storage's lifetime. */ #define HA_STORAGE_DEFAULT_HASH_CELLS 4096 +/** Hash storage */ typedef struct ha_storage_struct ha_storage_t; -/*********************************************************************** +/*******************************************************************//** Creates a hash storage. If any of the parameters is 0, then a default value is used. @return own: hash storage */ @@ -51,7 +53,7 @@ ha_storage_create( ulint initial_hash_cells); /*!< in: initial number of cells in the hash table */ -/*********************************************************************** +/*******************************************************************//** Copies data into the storage and returns a pointer to the copy. If the same data chunk is already present, then pointer to it is returned. Data chunks are considered to be equal if len1 == len2 and @@ -61,7 +63,7 @@ become more than "memlim" then "data" is not added and NULL is returned. To disable this behavior "memlim" can be set to 0, which stands for "no limit". @return pointer to the copy */ - +UNIV_INTERN const void* ha_storage_put_memlim( /*==================*/ @@ -70,29 +72,39 @@ ha_storage_put_memlim( ulint data_len, /*!< in: data length */ ulint memlim); /*!< in: memory limit to obey */ -/*********************************************************************** -Same as ha_storage_put_memlim() but without memory limit. */ - +/*******************************************************************//** +Same as ha_storage_put_memlim() but without memory limit. +@param storage in/out: hash storage +@param data in: data to store +@param data_len in: data length +@return pointer to the copy of the string */ #define ha_storage_put(storage, data, data_len) \ ha_storage_put_memlim((storage), (data), (data_len), 0) -/*********************************************************************** +/*******************************************************************//** Copies string into the storage and returns a pointer to the copy. If the same string is already present, then pointer to it is returned. -Strings are considered to be equal if strcmp(str1, str2) == 0. */ - +Strings are considered to be equal if strcmp(str1, str2) == 0. +@param storage in/out: hash storage +@param str in: string to put +@return pointer to the copy of the string */ #define ha_storage_put_str(storage, str) \ ((const char*) ha_storage_put((storage), (str), strlen(str) + 1)) -/*********************************************************************** +/*******************************************************************//** Copies string into the storage and returns a pointer to the copy obeying -a memory limit. */ - +a memory limit. +If the same string is already present, then pointer to it is returned. +Strings are considered to be equal if strcmp(str1, str2) == 0. +@param storage in/out: hash storage +@param str in: string to put +@param memlim in: memory limit to obey +@return pointer to the copy of the string */ #define ha_storage_put_str_memlim(storage, str, memlim) \ ((const char*) ha_storage_put_memlim((storage), (str), \ strlen(str) + 1, (memlim))) -/*********************************************************************** +/*******************************************************************//** Empties a hash storage, freeing memory occupied by data chunks. This invalidates any pointers previously returned by ha_storage_put(). The hash storage is not invalidated itself and can be used again. */ @@ -102,18 +114,17 @@ ha_storage_empty( /*=============*/ ha_storage_t** storage); /*!< in/out: hash storage */ -/*********************************************************************** +/*******************************************************************//** Frees a hash storage and everything it contains, it cannot be used after this call. -This invalidates any pointers previously returned by ha_storage_put(). - */ +This invalidates any pointers previously returned by ha_storage_put(). */ UNIV_INLINE void ha_storage_free( /*============*/ - ha_storage_t* storage); /*!< in/out: hash storage */ + ha_storage_t* storage); /*!< in, own: hash storage */ -/*********************************************************************** +/*******************************************************************//** Gets the size of the memory used by a storage. @return bytes used */ UNIV_INLINE diff --git a/include/ha0storage.ic b/include/ha0storage.ic index a0bdcb81fb4..5acbf82f005 100644 --- a/include/ha0storage.ic +++ b/include/ha0storage.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ha0storage.ic Hash storage. Provides a data structure that stores chunks of data in its own storage, avoiding duplicates. @@ -29,22 +30,24 @@ Created September 24, 2007 Vasil Dimov #include "hash0hash.h" #include "mem0mem.h" +/** Hash storage for strings */ struct ha_storage_struct { - mem_heap_t* heap; /* storage from which memory is + mem_heap_t* heap; /*!< memory heap from which memory is allocated */ - hash_table_t* hash; /* hash table used to avoid + hash_table_t* hash; /*!< hash table used to avoid duplicates */ }; -/* Objects of this type are put in the hash */ +/** Objects of this type are stored in ha_storage_t */ typedef struct ha_storage_node_struct ha_storage_node_t; +/** Objects of this type are stored in ha_storage_struct */ struct ha_storage_node_struct { - ulint data_len;/* length of the data */ - const void* data; /* pointer to data */ - ha_storage_node_t* next; /* next node in hash chain */ + ulint data_len;/*!< length of the data */ + const void* data; /*!< pointer to data */ + ha_storage_node_t* next; /*!< next node in hash chain */ }; -/*********************************************************************** +/*******************************************************************//** Creates a hash storage. If any of the parameters is 0, then a default value is used. @return own: hash storage */ @@ -83,7 +86,7 @@ ha_storage_create( return(storage); } -/*********************************************************************** +/*******************************************************************//** Empties a hash storage, freeing memory occupied by data chunks. This invalidates any pointers previously returned by ha_storage_put(). The hash storage is not invalidated itself and can be used again. */ @@ -108,16 +111,15 @@ ha_storage_empty( (*storage)->hash = temp_storage.hash; } -/*********************************************************************** +/*******************************************************************//** Frees a hash storage and everything it contains, it cannot be used after this call. -This invalidates any pointers previously returned by ha_storage_put(). - */ +This invalidates any pointers previously returned by ha_storage_put(). */ UNIV_INLINE void ha_storage_free( /*============*/ - ha_storage_t* storage) /*!< in/out: hash storage */ + ha_storage_t* storage) /*!< in, own: hash storage */ { /* order is important because the pointer storage->hash is within the heap */ @@ -125,7 +127,7 @@ ha_storage_free( mem_heap_free(storage->heap); } -/*********************************************************************** +/*******************************************************************//** Gets the size of the memory used by a storage. @return bytes used */ UNIV_INLINE diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index b04af5bbe7b..e8789d1638b 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -16,16 +16,21 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*******************************************************************//** +@file include/ha_prototypes.h +Prototypes for global functions in ha_innodb.cc that are called by +InnoDB C code + +Created 5/11/2006 Osku Salerma +************************************************************************/ + #ifndef HA_INNODB_PROTOTYPES_H #define HA_INNODB_PROTOTYPES_H #include "trx0types.h" #include "m_ctype.h" /* CHARSET_INFO */ -/* Prototypes for global functions in ha_innodb.cc that are called by -InnoDB's C-code. */ - -/************************************************************************* +/*********************************************************************//** Wrapper around MySQL's copy_and_convert function. @return number of bytes copied to 'to' */ UNIV_INTERN @@ -42,14 +47,14 @@ innobase_convert_string( uint* errors); /*!< out: number of errors encountered during the conversion */ -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) that is of type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes the result to "buf". The result is converted to "system_charset_info". Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the +The result is always NUL-terminated (provided buf_size > 0) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). +terminating NUL). @return number of bytes that were written */ UNIV_INTERN ulint @@ -63,7 +68,7 @@ innobase_raw_format( ulint buf_size); /*!< in: output buffer size in bytes */ -/********************************************************************* +/*****************************************************************//** Invalidates the MySQL query cache for the table. */ UNIV_INTERN void @@ -72,14 +77,14 @@ innobase_invalidate_query_cache( trx_t* trx, /*!< in: transaction which modifies the table */ const char* full_name, /*!< in: concatenation of - database name, null char '\0', - table name, null char '\0'; + database name, null char NUL, + table name, null char NUL; NOTE that in Windows this is always in LOWER CASE! */ ulint full_name_len); /*!< in: full name length where also the null chars count */ -/********************************************************************* +/*****************************************************************//** Convert a table or index name to the MySQL system_charset_info (UTF-8) and quote it if needed. @return pointer to the end of buf */ @@ -95,7 +100,7 @@ innobase_convert_name( ibool table_id);/*!< in: TRUE=id is a table or database name; FALSE=id is an index name */ -/********************************************************************** +/******************************************************************//** Returns true if the thread is the replication thread on the slave server. Used in srv_conc_enter_innodb() to determine if the thread should be allowed to enter InnoDB - the replication thread is treated @@ -108,7 +113,7 @@ thd_is_replication_slave_thread( /*============================*/ void* thd); /*!< in: thread handle (THD*) */ -/********************************************************************** +/******************************************************************//** Returns true if the transaction this thread is processing has edited non-transactional tables. Used by the deadlock detector when deciding which transaction to rollback in case of a deadlock - we try to avoid @@ -120,7 +125,7 @@ thd_has_edited_nontrans_tables( /*===========================*/ void* thd); /*!< in: thread handle (THD*) */ -/***************************************************************** +/*************************************************************//** Prints info of a THD object (== user session thread) to the given file. */ UNIV_INTERN void @@ -131,7 +136,7 @@ innobase_mysql_print_thd( uint max_query_len); /*!< in: max query length to print, or 0 to use the default max length */ -/****************************************************************** +/**************************************************************//** Converts a MySQL type to an InnoDB type. Note that this function returns the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. @@ -148,7 +153,7 @@ get_innobase_type_from_mysql_type( const void* field) /*!< in: MySQL Field */ __attribute__((nonnull)); -/***************************************************************** +/*************************************************************//** If you want to print a thd that is not associated with the current thread, you must call this function before reserving the InnoDB kernel_mutex, to protect MySQL from setting thd->query NULL. If you print a thd of the current @@ -160,7 +165,7 @@ void innobase_mysql_prepare_print_arbitrary_thd(void); /*============================================*/ -/***************************************************************** +/*************************************************************//** Releases the mutex reserved by innobase_mysql_prepare_print_arbitrary_thd(). In the InnoDB latching order, the mutex sits right above the kernel_mutex. In debug builds, we assert that the kernel_mutex is @@ -170,7 +175,7 @@ void innobase_mysql_end_print_arbitrary_thd(void); /*========================================*/ -/********************************************************************** +/******************************************************************//** Get the variable length bounds of the given character set. */ UNIV_INTERN void @@ -180,7 +185,7 @@ innobase_get_cset_width( ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ ulint* mbmaxlen); /*!< out: maximum length of a char (in bytes) */ -/********************************************************************** +/******************************************************************//** Compares NUL-terminated UTF-8 strings case insensitively. @return 0 if a=b, <0 if a1 if a>b */ UNIV_INTERN @@ -190,7 +195,7 @@ innobase_strcasecmp( const char* a, /*!< in: first string to compare */ const char* b); /*!< in: second string to compare */ -/********************************************************************** +/******************************************************************//** Returns true if the thread is executing a SELECT statement. @return true if thd is executing SELECT */ @@ -199,7 +204,7 @@ thd_is_select( /*==========*/ const void* thd); /*!< in: thread handle (THD*) */ -/********************************************************************** +/******************************************************************//** Converts an identifier to a table name. */ UNIV_INTERN void @@ -210,7 +215,7 @@ innobase_convert_from_table_id( const char* from, /*!< in: identifier to convert */ ulint len); /*!< in: length of 'to', in bytes; should be at least 5 * strlen(to) + 1 */ -/********************************************************************** +/******************************************************************//** Converts an identifier to UTF-8. */ UNIV_INTERN void @@ -221,7 +226,7 @@ innobase_convert_from_id( const char* from, /*!< in: identifier to convert */ ulint len); /*!< in: length of 'to', in bytes; should be at least 3 * strlen(to) + 1 */ -/********************************************************************** +/******************************************************************//** Makes all characters in a NUL-terminated UTF-8 string lower case. */ UNIV_INTERN void @@ -229,7 +234,7 @@ innobase_casedn_str( /*================*/ char* a); /*!< in/out: string to put in lower case */ -/************************************************************************** +/**********************************************************************//** Determines the connection character set. @return connection character set */ struct charset_info_st* @@ -237,7 +242,7 @@ innobase_get_charset( /*=================*/ void* mysql_thd); /*!< in: MySQL thread handle */ -/********************************************************************** +/******************************************************************//** This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function finds charset information and returns length of prefix_len characters in the @@ -254,7 +259,7 @@ innobase_get_at_most_n_mbchars( ulint data_len, /*!< in: length of the string in bytes */ const char* str); /*!< in: character string */ -/********************************************************************** +/******************************************************************//** Returns true if the thread supports XA, global value of innodb_supports_xa if thd is NULL. @return true if thd supports XA */ @@ -265,7 +270,7 @@ thd_supports_xa( void* thd); /*!< in: thread handle (THD*), or NULL to query the global innodb_supports_xa */ -/********************************************************************** +/******************************************************************//** Returns the lock wait timeout for the current connection. @return the lock wait timeout, in seconds */ diff --git a/include/handler0alter.h b/include/handler0alter.h index 49510547a69..985b76f4f50 100644 --- a/include/handler0alter.h +++ b/include/handler0alter.h @@ -16,11 +16,12 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/handler0alter.h Smart ALTER TABLE *******************************************************/ -/***************************************************************** +/*************************************************************//** Copies an InnoDB record to table->record[0]. */ UNIV_INTERN void @@ -32,7 +33,7 @@ innobase_rec_to_mysql( const ulint* offsets); /*!< in: rec_get_offsets( rec, index, ...) */ -/***************************************************************** +/*************************************************************//** Resets table->record[0]. */ UNIV_INTERN void diff --git a/include/hash0hash.h b/include/hash0hash.h index 5bae5f866a1..977cb829f35 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/hash0hash.h The simple hash table utility Created 5/20/1997 Heikki Tuuri @@ -39,7 +40,7 @@ typedef void* hash_node_t; /* Fix Bug #13859: symbol collision between imap/mysql */ #define hash_create hash0_create -/***************************************************************** +/*************************************************************//** Creates a hash table with >= n array cells. The actual number of cells is chosen to be a prime number slightly bigger than n. @return own: created table */ @@ -49,7 +50,7 @@ hash_create( /*========*/ ulint n); /*!< in: number of array cells */ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Creates a mutex array to protect a hash table. */ UNIV_INTERN void @@ -68,14 +69,14 @@ hash_create_mutexes_func( #endif /* UNIV_SYNC_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Frees a hash table. */ UNIV_INTERN void hash_table_free( /*============*/ hash_table_t* table); /*!< in, own: hash table */ -/****************************************************************** +/**************************************************************//** Calculates the hash value from a folded value. @return hashed value */ UNIV_INLINE @@ -85,7 +86,7 @@ hash_calc_hash( ulint fold, /*!< in: folded value */ hash_table_t* table); /*!< in: hash table */ #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Assert that the mutex for the table in a hash operation is owned. */ # define HASH_ASSERT_OWNED(TABLE, FOLD) \ ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); @@ -93,7 +94,7 @@ ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); # define HASH_ASSERT_OWNED(TABLE, FOLD) #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Inserts a struct to a hash table. */ #define HASH_INSERT(TYPE, NAME, TABLE, FOLD, DATA)\ @@ -129,7 +130,7 @@ do {\ # define HASH_INVALIDATE(DATA, NAME) do {} while (0) #endif -/*********************************************************************** +/*******************************************************************//** Deletes a struct from a hash table. */ #define HASH_DELETE(TYPE, NAME, TABLE, FOLD, DATA)\ @@ -158,18 +159,18 @@ do {\ HASH_INVALIDATE(DATA, NAME);\ } while (0) -/*********************************************************************** +/*******************************************************************//** Gets the first struct in a hash chain, NULL if none. */ #define HASH_GET_FIRST(TABLE, HASH_VAL)\ (hash_get_nth_cell(TABLE, HASH_VAL)->node) -/*********************************************************************** +/*******************************************************************//** Gets the next struct in a hash chain, NULL if none. */ #define HASH_GET_NEXT(NAME, DATA) ((DATA)->NAME) -/************************************************************************ +/********************************************************************//** Looks for a struct in a hash table. */ #define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, ASSERTION, TEST)\ {\ @@ -190,7 +191,7 @@ Looks for a struct in a hash table. */ }\ } -/************************************************************************ +/********************************************************************//** Looks for an item in all hash buckets. */ #define HASH_SEARCH_ALL(NAME, TABLE, TYPE, DATA, ASSERTION, TEST) \ do { \ @@ -216,7 +217,7 @@ do { \ } \ } while (0) -/**************************************************************** +/************************************************************//** Gets the nth cell in a hash table. @return pointer to cell */ UNIV_INLINE @@ -226,7 +227,7 @@ hash_get_nth_cell( hash_table_t* table, /*!< in: hash table */ ulint n); /*!< in: cell index */ -/***************************************************************** +/*************************************************************//** Clears a hash table so that all the cells become empty. */ UNIV_INLINE void @@ -234,7 +235,7 @@ hash_table_clear( /*=============*/ hash_table_t* table); /*!< in/out: hash table */ -/***************************************************************** +/*************************************************************//** Returns the number of cells in a hash table. @return number of cells */ UNIV_INLINE @@ -242,7 +243,7 @@ ulint hash_get_n_cells( /*=============*/ hash_table_t* table); /*!< in: table */ -/*********************************************************************** +/*******************************************************************//** Deletes a struct which is stored in the heap of the hash table, and compacts the heap. The fold value must be stored in the struct NODE in a field named 'fold'. */ @@ -302,7 +303,7 @@ do {\ } while (0) #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Move all hash table entries from OLD_TABLE to NEW_TABLE. */ #define HASH_MIGRATE(OLD_TABLE, NEW_TABLE, NODE_TYPE, PTR_NAME, FOLD_FUNC) \ @@ -327,7 +328,7 @@ do {\ }\ } while (0) -/**************************************************************** +/************************************************************//** Gets the mutex index for a fold value in a hash table. @return mutex number */ UNIV_INLINE @@ -336,7 +337,7 @@ hash_get_mutex_no( /*==============*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: fold */ -/**************************************************************** +/************************************************************//** Gets the nth heap in a hash table. @return mem heap */ UNIV_INLINE @@ -345,7 +346,7 @@ hash_get_nth_heap( /*==============*/ hash_table_t* table, /*!< in: hash table */ ulint i); /*!< in: index of the heap */ -/**************************************************************** +/************************************************************//** Gets the heap for a fold value in a hash table. @return mem heap */ UNIV_INLINE @@ -354,7 +355,7 @@ hash_get_heap( /*==========*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: fold */ -/**************************************************************** +/************************************************************//** Gets the nth mutex in a hash table. @return mutex */ UNIV_INLINE @@ -363,7 +364,7 @@ hash_get_nth_mutex( /*===============*/ hash_table_t* table, /*!< in: hash table */ ulint i); /*!< in: index of the mutex */ -/**************************************************************** +/************************************************************//** Gets the mutex for a fold value in a hash table. @return mutex */ UNIV_INLINE @@ -372,7 +373,7 @@ hash_get_mutex( /*===========*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: fold */ -/**************************************************************** +/************************************************************//** Reserves the mutex for a fold value in a hash table. */ UNIV_INTERN void @@ -380,7 +381,7 @@ hash_mutex_enter( /*=============*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: fold */ -/**************************************************************** +/************************************************************//** Releases the mutex for a fold value in a hash table. */ UNIV_INTERN void @@ -388,14 +389,14 @@ hash_mutex_exit( /*============*/ hash_table_t* table, /*!< in: hash table */ ulint fold); /*!< in: fold */ -/**************************************************************** +/************************************************************//** Reserves all the mutexes of a hash table, in an ascending order. */ UNIV_INTERN void hash_mutex_enter_all( /*=================*/ hash_table_t* table); /*!< in: hash table */ -/**************************************************************** +/************************************************************//** Releases all the mutexes of a hash table. */ UNIV_INTERN void @@ -409,7 +410,7 @@ hash_mutex_exit_all( #endif /* !UNIV_HOTBACKUP */ struct hash_cell_struct{ - void* node; /* hash chain node, NULL if none */ + void* node; /*!< hash chain node, NULL if none */ }; /* The hash table structure */ @@ -421,13 +422,13 @@ struct hash_table_struct { # endif /* !UNIV_HOTBACKUP */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ ulint n_cells;/* number of cells in the hash table */ - hash_cell_t* array; /* pointer to cell array */ + hash_cell_t* array; /*!< pointer to cell array */ #ifndef UNIV_HOTBACKUP ulint n_mutexes;/* if mutexes != NULL, then the number of mutexes, must be a power of 2 */ mutex_t* mutexes;/* NULL, or an array of mutexes used to protect segments of the hash table */ - mem_heap_t** heaps; /* if this is non-NULL, hash chain nodes for + mem_heap_t** heaps; /*!< if this is non-NULL, hash chain nodes for external chaining can be allocated from these memory heaps; there are then n_mutexes many of these heaps */ diff --git a/include/hash0hash.ic b/include/hash0hash.ic index ba471510c38..19da2d50701 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/hash0hash.ic The simple hash table utility Created 5/20/1997 Heikki Tuuri @@ -24,7 +25,7 @@ Created 5/20/1997 Heikki Tuuri #include "ut0rnd.h" -/**************************************************************** +/************************************************************//** Gets the nth cell in a hash table. @return pointer to cell */ UNIV_INLINE @@ -39,7 +40,7 @@ hash_get_nth_cell( return(table->array + n); } -/***************************************************************** +/*************************************************************//** Clears a hash table so that all the cells become empty. */ UNIV_INLINE void @@ -51,7 +52,7 @@ hash_table_clear( table->n_cells * sizeof(*table->array)); } -/***************************************************************** +/*************************************************************//** Returns the number of cells in a hash table. @return number of cells */ UNIV_INLINE @@ -63,7 +64,7 @@ hash_get_n_cells( return(table->n_cells); } -/****************************************************************** +/**************************************************************//** Calculates the hash value from a folded value. @return hashed value */ UNIV_INLINE @@ -77,7 +78,7 @@ hash_calc_hash( } #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Gets the mutex index for a fold value in a hash table. @return mutex number */ UNIV_INLINE @@ -92,7 +93,7 @@ hash_get_mutex_no( table->n_mutexes)); } -/**************************************************************** +/************************************************************//** Gets the nth heap in a hash table. @return mem heap */ UNIV_INLINE @@ -107,7 +108,7 @@ hash_get_nth_heap( return(table->heaps[i]); } -/**************************************************************** +/************************************************************//** Gets the heap for a fold value in a hash table. @return mem heap */ UNIV_INLINE @@ -128,7 +129,7 @@ hash_get_heap( return(hash_get_nth_heap(table, i)); } -/**************************************************************** +/************************************************************//** Gets the nth mutex in a hash table. @return mutex */ UNIV_INLINE @@ -143,7 +144,7 @@ hash_get_nth_mutex( return(table->mutexes + i); } -/**************************************************************** +/************************************************************//** Gets the mutex for a fold value in a hash table. @return mutex */ UNIV_INLINE diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index c19ec0748da..7f2bdd5e059 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ibuf0ibuf.h Insert buffer Created 7/19/1997 Heikki Tuuri @@ -85,20 +86,20 @@ affects the free space. It is unsafe to increment the bits in a separately committed mini-transaction, because in crash recovery, the free bits could momentarily be set too high. */ -/********************************************************************** +/******************************************************************//** Creates the insert buffer data structure at a database startup. */ UNIV_INTERN void ibuf_init_at_db_start(void); /*=======================*/ -/************************************************************************* +/*********************************************************************//** Reads the biggest tablespace id from the high end of the insert buffer tree and updates the counter in fil_system. */ UNIV_INTERN void ibuf_update_max_tablespace_id(void); /*===============================*/ -/************************************************************************* +/*********************************************************************//** Initializes an ibuf bitmap page. */ UNIV_INTERN void @@ -106,7 +107,7 @@ ibuf_bitmap_page_init( /*==================*/ buf_block_t* block, /*!< in: bitmap page */ mtr_t* mtr); /*!< in: mtr */ -/**************************************************************************** +/************************************************************************//** Resets the free bits of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the @@ -122,7 +123,7 @@ ibuf_reset_free_bits( buf_block_t* block); /*!< in: index page; free bits are set to 0 if the index is a non-clustered non-unique, and page level is 0 */ -/**************************************************************************** +/************************************************************************//** Updates the free bits of an uncompressed page in the ibuf bitmap if there is not enough free on the page any more. This is done in a separate mini-transaction, hence this operation does not restrict @@ -150,7 +151,7 @@ ibuf_update_free_bits_if_full( ulint increase);/*!< in: upper limit for the additional space used in the latest operation, if known, or ULINT_UNDEFINED */ -/************************************************************************** +/**********************************************************************//** Updates the free bits for an uncompressed page to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations for this OS @@ -169,7 +170,7 @@ ibuf_update_free_bits_low( the latest operation performed to the page */ mtr_t* mtr); /*!< in/out: mtr */ -/************************************************************************** +/**********************************************************************//** Updates the free bits for a compressed page to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations for this OS @@ -183,7 +184,7 @@ ibuf_update_free_bits_zip( /*======================*/ buf_block_t* block, /*!< in/out: index page */ mtr_t* mtr); /*!< in/out: mtr */ -/************************************************************************** +/**********************************************************************//** Updates the free bits for the two pages to reflect the present state. Does this in the mtr given, which means that the latching order rules virtually prevent any further operations until mtr is committed. @@ -199,7 +200,7 @@ ibuf_update_free_bits_for_two_pages_low( buf_block_t* block1, /*!< in: index page */ buf_block_t* block2, /*!< in: index page */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** A basic partial test if an insert to the insert buffer could be possible and recommended. */ UNIV_INLINE @@ -211,15 +212,18 @@ ibuf_should_try( ignore UNIQUE constraint on a secondary index when we decide */ -/********************************************************************** +/******************************************************************//** Returns TRUE if the current OS thread is performing an insert buffer routine. -@return TRUE if inside an insert buffer routine: for instance, a read-ahead of non-ibuf pages is then forbidden */ + +For instance, a read-ahead of non-ibuf pages is forbidden by threads +that are executing an insert buffer routine. +@return TRUE if inside an insert buffer routine */ UNIV_INTERN ibool ibuf_inside(void); /*=============*/ -/*************************************************************************** +/***********************************************************************//** Checks if a page address is an ibuf bitmap page (level 3 page) address. @return TRUE if a bitmap page */ UNIV_INLINE @@ -229,7 +233,7 @@ ibuf_bitmap_page( ulint zip_size,/*!< in: compressed page size in bytes; 0 for uncompressed pages */ ulint page_no);/*!< in: page number */ -/*************************************************************************** +/***********************************************************************//** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. Must not be called when recv_no_ibuf_operations==TRUE. @return TRUE if level 2 or level 3 page */ @@ -244,7 +248,7 @@ ibuf_page( bitmap page if the page is not one of the fixed address ibuf pages, or NULL, in which case a new transaction is created. */ -/*************************************************************************** +/***********************************************************************//** Frees excess pages from the ibuf free list. This function is called when an OS thread calls fsp services to allocate a new file segment, or a new page to a file segment, and the thread did not own the fsp latch before this call. */ @@ -252,7 +256,7 @@ UNIV_INTERN void ibuf_free_excess_pages(void); /*========================*/ -/************************************************************************* +/*********************************************************************//** Buffer an operation in the insert/delete buffer, instead of doing it directly to the disk page, if this is possible. Does not do it if the index is clustered or unique. @@ -268,7 +272,7 @@ ibuf_insert( ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ ulint page_no,/*!< in: page number where to insert */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** When an index page is read from a disk to the buffer pool, this function applies any buffered operations to the page and deletes the entries from the insert buffer. If the page is not read, but created in the buffer pool, this @@ -291,7 +295,7 @@ ibuf_merge_or_delete_for_page( deleting the tablespace, then we naturally do not want to update a non-existent bitmap page */ -/************************************************************************* +/*********************************************************************//** Deletes all entries in the insert buffer for a given space id. This is used in DISCARD TABLESPACE and IMPORT TABLESPACE. NOTE: this does not update the page free bitmaps in the space. The space will @@ -301,9 +305,11 @@ void ibuf_delete_for_discarded_space( /*============================*/ ulint space); /*!< in: space id */ -/************************************************************************* +/*********************************************************************//** Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ UNIV_INTERN ulint ibuf_contract( @@ -311,9 +317,11 @@ ibuf_contract( ibool sync); /*!< in: TRUE if the caller wants to wait for the issued read with the highest tablespace address to complete */ -/************************************************************************* +/*********************************************************************//** Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which will be merged from ibuf trees to the pages read, 0 if ibuf is empty */ +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ UNIV_INTERN ulint ibuf_contract_for_n_pages( @@ -325,7 +333,7 @@ ibuf_contract_for_n_pages( the buffer pool and merge the ibuf contents to them */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Parses a redo log record of an ibuf bitmap page init. @return end of log record or NULL */ UNIV_INTERN @@ -338,9 +346,10 @@ ibuf_parse_bitmap_init( mtr_t* mtr); /*!< in: mtr or NULL */ #ifndef UNIV_HOTBACKUP #ifdef UNIV_IBUF_COUNT_DEBUG -/********************************************************************** +/******************************************************************//** Gets the ibuf count for a given page. -@return number of entries in the insert buffer currently buffered for this page */ +@return number of entries in the insert buffer currently buffered for +this page */ UNIV_INTERN ulint ibuf_count_get( @@ -348,14 +357,14 @@ ibuf_count_get( ulint space, /*!< in: space id */ ulint page_no);/*!< in: page number */ #endif -/********************************************************************** +/******************************************************************//** Looks if the insert buffer is empty. @return TRUE if empty */ UNIV_INTERN ibool ibuf_is_empty(void); /*===============*/ -/********************************************************************** +/******************************************************************//** Prints info of ibuf. */ UNIV_INTERN void diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 1334aac1362..84c7a004be2 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ibuf0ibuf.ic Insert buffer Created 7/19/1997 Heikki Tuuri @@ -27,45 +28,45 @@ Created 7/19/1997 Heikki Tuuri #ifndef UNIV_HOTBACKUP #include "buf0lru.h" +/** Counter for ibuf_should_try() */ extern ulint ibuf_flush_count; -/* If this number is n, an index page must contain at least the page size -per n bytes of free space for ibuf to try to buffer inserts to this page. -If there is this much of free space, the corresponding bits are set in the -ibuf bitmap. */ +/** An index page must contain at least UNIV_PAGE_SIZE / +IBUF_PAGE_SIZE_PER_FREE_SPACE bytes of free space for ibuf to try to +buffer inserts to this page. If there is this much of free space, the +corresponding bits are set in the ibuf bitmap. */ #define IBUF_PAGE_SIZE_PER_FREE_SPACE 32 -/* Insert buffer struct */ - +/** Insert buffer struct */ struct ibuf_struct{ - ulint size; /* current size of the ibuf index + ulint size; /*!< current size of the ibuf index tree, in pages */ - ulint max_size; /* recommended maximum size of the + ulint max_size; /*!< recommended maximum size of the ibuf index tree, in pages */ - ulint seg_size; /* allocated pages of the file + ulint seg_size; /*!< allocated pages of the file segment containing ibuf header and tree */ - ibool empty; /* after an insert to the ibuf tree + ibool empty; /*!< after an insert to the ibuf tree is performed, this is set to FALSE, and if a contract operation finds the tree empty, this is set to TRUE */ - ulint free_list_len; /* length of the free list */ - ulint height; /* tree height */ - dict_index_t* index; /* insert buffer index */ + ulint free_list_len; /*!< length of the free list */ + ulint height; /*!< tree height */ + dict_index_t* index; /*!< insert buffer index */ - ulint n_merges; /* number of pages merged */ + ulint n_merges; /*!< number of pages merged */ ulint n_merged_ops[IBUF_OP_COUNT]; - /* number of operations of each type + /*!< number of operations of each type merged to index pages */ ulint n_discarded_ops[IBUF_OP_COUNT]; - /* number of operations of each type + /*!< number of operations of each type discarded without merging due to the tablespace being deleted or the index being dropped */ }; -/**************************************************************************** +/************************************************************************//** Sets the free bit of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only ibuf bitmap operations, which would result if the latch to the bitmap page @@ -88,7 +89,7 @@ ibuf_set_free_bits_func( # define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,v) #endif /* UNIV_IBUF_DEBUG */ -/************************************************************************** +/**********************************************************************//** A basic partial test if an insert to the insert buffer could be possible and recommended. */ UNIV_INLINE @@ -118,7 +119,7 @@ ibuf_should_try( return(FALSE); } -/*************************************************************************** +/***********************************************************************//** Checks if a page address is an ibuf bitmap page address. @return TRUE if a bitmap page */ UNIV_INLINE @@ -140,7 +141,7 @@ ibuf_bitmap_page( == FSP_IBUF_BITMAP_OFFSET)); } -/************************************************************************* +/*********************************************************************//** Translates the free space on a page to a value in the ibuf bitmap. @return value for ibuf bitmap bits */ UNIV_INLINE @@ -176,7 +177,7 @@ ibuf_index_page_calc_free_bits( return(n); } -/************************************************************************* +/*********************************************************************//** Translates the ibuf free bits to the free space on a page in bytes. @return maximum insert size after reorganize for the page */ UNIV_INLINE @@ -207,7 +208,7 @@ ibuf_index_page_calc_free_from_bits( return(bits * (UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE)); } -/************************************************************************* +/*********************************************************************//** Translates the free space on a compressed page to a value in the ibuf bitmap. @return value for ibuf bitmap bits */ UNIV_INLINE @@ -241,7 +242,7 @@ ibuf_index_page_calc_free_zip( return(ibuf_index_page_calc_free_bits(zip_size, max_ins_size)); } -/************************************************************************* +/*********************************************************************//** Translates the free space on a page to a value in the ibuf bitmap. @return value for ibuf bitmap bits */ UNIV_INLINE @@ -266,7 +267,7 @@ ibuf_index_page_calc_free( } } -/**************************************************************************** +/************************************************************************//** Updates the free bits of an uncompressed page in the ibuf bitmap if there is not enough free on the page any more. This is done in a separate mini-transaction, hence this operation does not restrict diff --git a/include/ibuf0types.h b/include/ibuf0types.h index 264415196a1..55944f879b2 100644 --- a/include/ibuf0types.h +++ b/include/ibuf0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/ibuf0types.h Insert buffer global types Created 7/29/1997 Heikki Tuuri diff --git a/include/lock0iter.h b/include/lock0iter.h index 013aa65dcdc..25a57c9740c 100644 --- a/include/lock0iter.h +++ b/include/lock0iter.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0iter.h Lock queue iterator type and function prototypes. Created July 16, 2007 Vasil Dimov @@ -36,7 +37,7 @@ typedef struct lock_queue_iterator_struct { ulint bit_no; } lock_queue_iterator_t; -/*********************************************************************** +/*******************************************************************//** Initialize lock queue iterator so that it starts to iterate from "lock". bit_no specifies the record number within the heap where the record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: @@ -54,7 +55,7 @@ lock_queue_iterator_reset( ulint bit_no);/*!< in: record number in the heap */ -/*********************************************************************** +/*******************************************************************//** Gets the previous lock in the lock queue, returns NULL if there are no more locks (i.e. the current lock is the first one). The iterator is receded (if not-NULL is returned). diff --git a/include/lock0lock.h b/include/lock0lock.h index 48a416b9701..727e30d49dd 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0lock.h The transaction lock system Created 5/7/1996 Heikki Tuuri @@ -43,21 +44,21 @@ extern ibool lock_print_waits; /* Buffer for storing information about the most recent deadlock error */ extern FILE* lock_latest_err_file; -/************************************************************************* +/*********************************************************************//** Gets the size of a lock struct. @return size in bytes */ UNIV_INTERN ulint lock_get_size(void); /*===============*/ -/************************************************************************* +/*********************************************************************//** Creates the lock system at database start. */ UNIV_INTERN void lock_sys_create( /*============*/ ulint n_cells); /*!< in: number of slots in lock hash table */ -/************************************************************************* +/*********************************************************************//** Checks if some transaction has an implicit x-lock on a record in a clustered index. @return transaction which has the x-lock, or NULL */ @@ -68,7 +69,7 @@ lock_clust_rec_some_has_impl( const rec_t* rec, /*!< in: user record */ dict_index_t* index, /*!< in: clustered index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/************************************************************************* +/*********************************************************************//** Gets the heap_no of the smallest user record on a page. @return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ UNIV_INLINE @@ -76,7 +77,7 @@ ulint lock_get_min_heap_no( /*=================*/ const buf_block_t* block); /*!< in: buffer block */ -/***************************************************************** +/*************************************************************//** Updates the lock table when we have reorganized a page. NOTE: we copy also the locks set on the infimum of the page; the infimum may carry locks if an update of a record is occurring on the page, and its locks @@ -89,7 +90,7 @@ lock_move_reorganize_page( reorganized */ const buf_block_t* oblock);/*!< in: copy of the old, not reorganized page */ -/***************************************************************** +/*************************************************************//** Moves the explicit locks on user records to another page if a record list end is moved to another page. */ UNIV_INTERN @@ -100,7 +101,7 @@ lock_move_rec_list_end( const buf_block_t* block, /*!< in: index page */ const rec_t* rec); /*!< in: record on page: this is the first record moved */ -/***************************************************************** +/*************************************************************//** Moves the explicit locks on user records to another page if a record list start is moved to another page. */ UNIV_INTERN @@ -117,7 +118,7 @@ lock_move_rec_list_start( record on new_page before the records were copied */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is split to the right. */ UNIV_INTERN void @@ -125,7 +126,7 @@ lock_update_split_right( /*====================*/ const buf_block_t* right_block, /*!< in: right page */ const buf_block_t* left_block); /*!< in: left page */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is merged to the right. */ UNIV_INTERN void @@ -140,7 +141,7 @@ lock_update_merge_right( const buf_block_t* left_block); /*!< in: merged index page which will be discarded */ -/***************************************************************** +/*************************************************************//** Updates the lock table when the root page is copied to another in btr_root_raise_and_insert. Note that we leave lock structs on the root page, even though they do not make sense on other than leaf @@ -153,7 +154,7 @@ lock_update_root_raise( /*===================*/ const buf_block_t* block, /*!< in: index page to which copied */ const buf_block_t* root); /*!< in: root page */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is copied to another and the original page is removed from the chain of leaf pages, except if page is the root! */ UNIV_INTERN @@ -164,7 +165,7 @@ lock_update_copy_and_discard( which copied */ const buf_block_t* block); /*!< in: index page; NOT the root! */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is split to the left. */ UNIV_INTERN void @@ -172,7 +173,7 @@ lock_update_split_left( /*===================*/ const buf_block_t* right_block, /*!< in: right page */ const buf_block_t* left_block); /*!< in: left page */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is merged to the left. */ UNIV_INTERN void @@ -185,7 +186,7 @@ lock_update_merge_left( before merge */ const buf_block_t* right_block); /*!< in: merged index page which will be discarded */ -/***************************************************************** +/*************************************************************//** Resets the original locks on heir and replaces them with gap type locks inherited from rec. */ UNIV_INTERN @@ -202,7 +203,7 @@ lock_rec_reset_and_inherit_gap_locks( inheriting record */ ulint heap_no); /*!< in: heap_no of the donating record */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is discarded. */ UNIV_INTERN void @@ -214,7 +215,7 @@ lock_update_discard( which will inherit the locks */ const buf_block_t* block); /*!< in: index page which will be discarded */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a new user record is inserted. */ UNIV_INTERN void @@ -222,7 +223,7 @@ lock_update_insert( /*===============*/ const buf_block_t* block, /*!< in: buffer block containing rec */ const rec_t* rec); /*!< in: the inserted record */ -/***************************************************************** +/*************************************************************//** Updates the lock table when a record is removed. */ UNIV_INTERN void @@ -230,7 +231,7 @@ lock_update_delete( /*===============*/ const buf_block_t* block, /*!< in: buffer block containing rec */ const rec_t* rec); /*!< in: the record to be removed */ -/************************************************************************* +/*********************************************************************//** Stores on the page infimum record the explicit locks of another record. This function is used to store the lock state of a record when it is updated and the size of the record changes in the update. The record @@ -247,7 +248,7 @@ lock_rec_store_on_page_infimum( record of the same page; lock bits are reset on the record */ -/************************************************************************* +/*********************************************************************//** Restores the state of explicit lock requests on a single record, where the state was stored on the infimum of the page. */ UNIV_INTERN @@ -262,7 +263,7 @@ lock_rec_restore_from_page_infimum( whose infimum stored the lock state; lock bits are reset on the infimum */ -/************************************************************************* +/*********************************************************************//** Returns TRUE if there are explicit record locks on a page. @return TRUE if there are explicit record locks on the page */ UNIV_INTERN @@ -271,7 +272,7 @@ lock_rec_expl_exist_on_page( /*========================*/ ulint space, /*!< in: space id */ ulint page_no);/*!< in: page number */ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate insert of a record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and @@ -293,7 +294,7 @@ lock_rec_insert_check_and_lock( inserted record maybe should inherit LOCK_GAP type locks from the successor record */ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate modify (update, delete mark, or delete unmark) of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some @@ -313,7 +314,7 @@ lock_clust_rec_modify_check_and_lock( dict_index_t* index, /*!< in: clustered index */ const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate modify (delete mark or delete unmark) of a secondary index record. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -332,7 +333,7 @@ lock_sec_rec_modify_check_and_lock( dict_index_t* index, /*!< in: secondary index */ que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in/out: mini-transaction */ -/************************************************************************* +/*********************************************************************//** Like the counterpart for a clustered index below, but now we read a secondary index record. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -357,7 +358,7 @@ lock_sec_rec_read_check_and_lock( ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then @@ -386,7 +387,7 @@ lock_clust_rec_read_check_and_lock( ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then @@ -416,9 +417,10 @@ lock_clust_rec_read_check_and_lock_alt( ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or LOCK_REC_NOT_GAP */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Checks that a record is seen in a consistent read. -@return TRUE if sees, or FALSE if an earlier version of the record should be retrieved */ +@return TRUE if sees, or FALSE if an earlier version of the record +should be retrieved */ UNIV_INTERN ibool lock_clust_rec_cons_read_sees( @@ -428,9 +430,16 @@ lock_clust_rec_cons_read_sees( dict_index_t* index, /*!< in: clustered index */ const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ read_view_t* view); /*!< in: consistent read view */ -/************************************************************************* +/*********************************************************************//** Checks that a non-clustered index record is seen in a consistent read. -@return TRUE if certainly sees, or FALSE if an earlier version of the clustered index record might be needed: NOTE that a non-clustered index page contains so little information on its modifications that also in the case FALSE, the present version of rec may be the right, but we must check this from the clustered index record */ + +NOTE that a non-clustered index page contains so little information on +its modifications that also in the case FALSE, the present version of +rec may be the right, but we must check this from the clustered index +record. + +@return TRUE if certainly sees, or FALSE if an earlier version of the +clustered index record might be needed */ UNIV_INTERN ulint lock_sec_rec_cons_read_sees( @@ -439,7 +448,7 @@ lock_sec_rec_cons_read_sees( should be read or passed over by a read cursor */ const read_view_t* view); /*!< in: consistent read view */ -/************************************************************************* +/*********************************************************************//** Locks the specified database table in the mode given. If the lock cannot be granted immediately, the query thread is put to wait. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -452,7 +461,7 @@ lock_table( dict_table_t* table, /*!< in: database table in dictionary cache */ enum lock_mode mode, /*!< in: lock mode */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Checks if there are any locks set on the table. @return TRUE if there are lock(s) */ UNIV_INTERN @@ -460,7 +469,7 @@ ibool lock_is_on_table( /*=============*/ dict_table_t* table); /*!< in: database table in dictionary cache */ -/***************************************************************** +/*************************************************************//** Removes a granted record lock of a transaction from the queue and grants locks to other transactions waiting in the queue if they now are entitled to a lock. */ @@ -473,7 +482,7 @@ lock_rec_unlock( const buf_block_t* block, /*!< in: buffer block containing rec */ const rec_t* rec, /*!< in: record */ enum lock_mode lock_mode);/*!< in: LOCK_S or LOCK_X */ -/************************************************************************* +/*********************************************************************//** Releases a table lock. Releases possible other transactions waiting for this lock. */ UNIV_INTERN @@ -481,7 +490,7 @@ void lock_table_unlock( /*==============*/ lock_t* lock); /*!< in: lock */ -/************************************************************************* +/*********************************************************************//** Releases transaction locks, and releases possible other transactions waiting because of these locks. */ UNIV_INTERN @@ -489,7 +498,7 @@ void lock_release_off_kernel( /*====================*/ trx_t* trx); /*!< in: transaction */ -/************************************************************************* +/*********************************************************************//** Cancels a waiting lock request and releases possible other transactions waiting behind it. */ UNIV_INTERN @@ -498,7 +507,7 @@ lock_cancel_waiting_and_release( /*============================*/ lock_t* lock); /*!< in: waiting lock request */ -/************************************************************************* +/*********************************************************************//** Removes locks on a table to be dropped or truncated. If remove_also_table_sx_locks is TRUE then table-level S and X locks are also removed in addition to other table-level and record-level locks. @@ -512,7 +521,7 @@ lock_remove_all_on_table( ibool remove_also_table_sx_locks);/*!< in: also removes table S and X locks */ -/************************************************************************* +/*********************************************************************//** Calculates the fold value of a page file address: used in inserting or searching for a lock in the hash table. @return folded value */ @@ -523,7 +532,7 @@ lock_rec_fold( ulint space, /*!< in: space */ ulint page_no)/*!< in: page number */ __attribute__((const)); -/************************************************************************* +/*********************************************************************//** Calculates the hash value of a page file address: used in inserting or searching for a lock in the hash table. @return hashed value */ @@ -534,20 +543,25 @@ lock_rec_hash( ulint space, /*!< in: space */ ulint page_no);/*!< in: page number */ -/************************************************************************** +/**********************************************************************//** Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, if none found. -@return bit index == heap number of the record, or ULINT_UNDEFINED if none found */ +@return bit index == heap number of the record, or ULINT_UNDEFINED if +none found */ UNIV_INTERN ulint lock_rec_find_set_bit( /*==================*/ - const lock_t* lock); /*!< in: record lock with at least one bit set */ + const lock_t* lock); /*!< in: record lock with at least one + bit set */ -/************************************************************************* +/*********************************************************************//** Gets the source table of an ALTER TABLE transaction. The table must be covered by an IX or IS table lock. -@return the source table of transaction, if it is covered by an IX or IS table lock; dest if there is no source table, and NULL if the transaction is locking more than two tables or an inconsistency is found */ +@return the source table of transaction, if it is covered by an IX or +IS table lock; dest if there is no source table, and NULL if the +transaction is locking more than two tables or an inconsistency is +found */ UNIV_INTERN dict_table_t* lock_get_src_table( @@ -555,18 +569,19 @@ lock_get_src_table( trx_t* trx, /*!< in: transaction */ dict_table_t* dest, /*!< in: destination of ALTER TABLE */ enum lock_mode* mode); /*!< out: lock mode of the source table */ -/************************************************************************* +/*********************************************************************//** Determine if the given table is exclusively "owned" by the given transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC on the table. -@return TRUE if table is only locked by trx, with LOCK_IX, and possibly LOCK_AUTO_INC */ +@return TRUE if table is only locked by trx, with LOCK_IX, and +possibly LOCK_AUTO_INC */ UNIV_INTERN ibool lock_is_table_exclusive( /*====================*/ dict_table_t* table, /*!< in: table */ trx_t* trx); /*!< in: transaction */ -/************************************************************************* +/*********************************************************************//** Checks if a lock request lock1 has to wait for request lock2. @return TRUE if lock1 has to wait for lock2 to be removed */ UNIV_INTERN @@ -578,7 +593,7 @@ lock_has_to_wait( assumed that this has a lock bit set on the same record as in lock1 if the locks are record locks */ -/************************************************************************* +/*********************************************************************//** Checks that a transaction id is sensible, i.e., not in the future. @return TRUE if ok */ UNIV_INTERN @@ -591,7 +606,7 @@ lock_check_trx_id_sanity( const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ ibool has_kernel_mutex);/*!< in: TRUE if the caller owns the kernel mutex */ -/************************************************************************* +/*********************************************************************//** Prints info of a table lock. */ UNIV_INTERN void @@ -599,7 +614,7 @@ lock_table_print( /*=============*/ FILE* file, /*!< in: file where to print */ const lock_t* lock); /*!< in: table type lock */ -/************************************************************************* +/*********************************************************************//** Prints info of a record lock. */ UNIV_INTERN void @@ -607,21 +622,21 @@ lock_rec_print( /*===========*/ FILE* file, /*!< in: file where to print */ const lock_t* lock); /*!< in: record type lock */ -/************************************************************************* +/*********************************************************************//** Prints info of locks for all transactions. */ UNIV_INTERN void lock_print_info_summary( /*====================*/ FILE* file); /*!< in: file where to print */ -/************************************************************************* +/*********************************************************************//** Prints info of locks for each transaction. */ UNIV_INTERN void lock_print_info_all_transactions( /*=============================*/ FILE* file); /*!< in: file where to print */ -/************************************************************************* +/*********************************************************************//** Return approximate number or record locks (bits set in the bitmap) for this transaction. Since delete-marked records may be removed, the record count will not be precise. */ @@ -630,7 +645,7 @@ ulint lock_number_of_rows_locked( /*=======================*/ trx_t* trx); /*!< in: transaction */ -/*********************************************************************** +/*******************************************************************//** Release all the transaction's autoinc locks. */ UNIV_INTERN void @@ -638,7 +653,7 @@ lock_release_autoinc_locks( /*=======================*/ trx_t* trx); /*!< in/out: transaction */ -/*********************************************************************** +/*******************************************************************//** Gets the type of a lock. Non-inline version for using outside of the lock module. @return LOCK_TABLE or LOCK_REC */ @@ -648,7 +663,7 @@ lock_get_type( /*==========*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** Gets the id of the transaction owning a lock. @return transaction id */ UNIV_INTERN @@ -657,27 +672,27 @@ lock_get_trx_id( /*============*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** Gets the mode of a lock in a human readable string. The string should not be free()'d or modified. @return lock mode */ - +UNIV_INTERN const char* lock_get_mode_str( /*==============*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** Gets the type of a lock in a human readable string. The string should not be free()'d or modified. @return lock type */ - +UNIV_INTERN const char* lock_get_type_str( /*==============*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** Gets the id of the table on which the lock is. @return id of the table */ UNIV_INTERN @@ -686,36 +701,36 @@ lock_get_table_id( /*==============*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** Gets the name of the table on which the lock is. The string should not be free()'d or modified. @return name of the table */ - +UNIV_INTERN const char* lock_get_table_name( /*================*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the index on which the lock is. @return index */ - +UNIV_INTERN const dict_index_t* lock_rec_get_index( /*===============*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the name of the index on which the lock is. The string should not be free()'d or modified. @return name of the index */ - +UNIV_INTERN const char* lock_rec_get_index_name( /*====================*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the tablespace number on which the lock is. @return tablespace number */ UNIV_INTERN @@ -724,7 +739,7 @@ lock_rec_get_space_id( /*==================*/ const lock_t* lock); /*!< in: lock */ -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the page number on which the lock is. @return page number */ UNIV_INTERN @@ -733,33 +748,36 @@ lock_rec_get_page_no( /*=================*/ const lock_t* lock); /*!< in: lock */ -/* Lock modes and types */ -#define LOCK_MODE_MASK 0xFUL /* mask used to extract mode from the +/** Lock modes and types */ +/* @{ */ +#define LOCK_MODE_MASK 0xFUL /*!< mask used to extract mode from the type_mode field in a lock */ -/* Lock types */ -#define LOCK_TABLE 16 /* these type values should be so high that */ -#define LOCK_REC 32 /* they can be ORed to the lock mode */ -#define LOCK_TYPE_MASK 0xF0UL /* mask used to extract lock type from the +/** Lock types */ +/* @{ */ +#define LOCK_TABLE 16 /*!< table lock */ +#define LOCK_REC 32 /*!< record lock */ +#define LOCK_TYPE_MASK 0xF0UL /*!< mask used to extract lock type from the type_mode field in a lock */ -/* Waiting lock flag */ -#define LOCK_WAIT 256 /* this wait bit should be so high that - it can be ORed to the lock mode and type; - when this bit is set, it means that the - lock has not yet been granted, it is just - waiting for its turn in the wait queue */ +#if LOCK_MODE_MASK & LOCK_TYPE_MASK +# error "LOCK_MODE_MASK & LOCK_TYPE_MASK" +#endif + +#define LOCK_WAIT 256 /*!< Waiting lock flag; when set, it + means that the lock has not yet been + granted, it is just waiting for its + turn in the wait queue */ /* Precise modes */ -#define LOCK_ORDINARY 0 /* this flag denotes an ordinary next-key lock - in contrast to LOCK_GAP or LOCK_REC_NOT_GAP */ -#define LOCK_GAP 512 /* this gap bit should be so high that - it can be ORed to the other flags; - when this bit is set, it means that the +#define LOCK_ORDINARY 0 /*!< this flag denotes an ordinary + next-key lock in contrast to LOCK_GAP + or LOCK_REC_NOT_GAP */ +#define LOCK_GAP 512 /*!< when this bit is set, it means that the lock holds only on the gap before the record; for instance, an x-lock on the gap does not give permission to modify the record on which the bit is set; locks of this type are created when records are removed from the index chain of records */ -#define LOCK_REC_NOT_GAP 1024 /* this bit means that the lock is only on +#define LOCK_REC_NOT_GAP 1024 /*!< this bit means that the lock is only on the index record and does NOT block inserts to the gap before the index record; this is used in the case when we retrieve a record @@ -767,7 +785,7 @@ lock_rec_get_page_no( locking plain SELECTs (not part of UPDATE or DELETE) when the user has set the READ COMMITTED isolation level */ -#define LOCK_INSERT_INTENTION 2048 /* this bit is set when we place a waiting +#define LOCK_INSERT_INTENTION 2048 /*!< this bit is set when we place a waiting gap type record lock request in order to let an insert of an index record to wait until there are no conflicting locks by other @@ -775,27 +793,28 @@ lock_rec_get_page_no( remains set when the waiting lock is granted, or if the lock is inherited to a neighboring record */ +#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_MODE_MASK +# error +#endif +#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_TYPE_MASK +# error +#endif +/* @} */ -/* When lock bits are reset, the following flags are available: */ -#define LOCK_RELEASE_WAIT 1 -#define LOCK_NOT_RELEASE_WAIT 2 - -/* Lock operation struct */ +/** Lock operation struct */ typedef struct lock_op_struct lock_op_t; +/** Lock operation struct */ struct lock_op_struct{ - dict_table_t* table; /* table to be locked */ - enum lock_mode mode; /* lock mode */ + dict_table_t* table; /*!< table to be locked */ + enum lock_mode mode; /*!< lock mode */ }; -#define LOCK_OP_START 1 -#define LOCK_OP_COMPLETE 2 - -/* The lock system struct */ +/** The lock system struct */ struct lock_sys_struct{ - hash_table_t* rec_hash; /* hash table of the record locks */ + hash_table_t* rec_hash; /*!< hash table of the record locks */ }; -/* The lock system */ +/** The lock system */ extern lock_sys_t* lock_sys; diff --git a/include/lock0lock.ic b/include/lock0lock.ic index 9d1623bfc61..014722f51c4 100644 --- a/include/lock0lock.ic +++ b/include/lock0lock.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0lock.ic The transaction lock system Created 5/7/1996 Heikki Tuuri @@ -37,7 +38,7 @@ Created 5/7/1996 Heikki Tuuri #include "read0read.h" #include "log0recv.h" -/************************************************************************* +/*********************************************************************//** Calculates the fold value of a page file address: used in inserting or searching for a lock in the hash table. @return folded value */ @@ -51,7 +52,7 @@ lock_rec_fold( return(ut_fold_ulint_pair(space, page_no)); } -/************************************************************************* +/*********************************************************************//** Calculates the hash value of a page file address: used in inserting or searching for a lock in the hash table. @return hashed value */ @@ -66,7 +67,7 @@ lock_rec_hash( lock_sys->rec_hash)); } -/************************************************************************* +/*********************************************************************//** Checks if some transaction has an implicit x-lock on a record in a clustered index. @return transaction which has the x-lock, or NULL */ @@ -95,7 +96,7 @@ lock_clust_rec_some_has_impl( return(NULL); } -/************************************************************************* +/*********************************************************************//** Gets the heap_no of the smallest user record on a page. @return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ UNIV_INLINE diff --git a/include/lock0priv.h b/include/lock0priv.h index 83ace6dc8ad..287c151b19f 100644 --- a/include/lock0priv.h +++ b/include/lock0priv.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0priv.h Lock module internal structures and methods. Created July 12, 2007 Vasil Dimov @@ -38,48 +39,50 @@ those functions in lock/ */ #include "trx0types.h" #include "ut0lst.h" -/* A table lock */ +/** A table lock */ typedef struct lock_table_struct lock_table_t; +/** A table lock */ struct lock_table_struct { - dict_table_t* table; /* database table in dictionary + dict_table_t* table; /*!< database table in dictionary cache */ UT_LIST_NODE_T(lock_t) - locks; /* list of locks on the same + locks; /*!< list of locks on the same table */ }; -/* Record lock for a page */ +/** Record lock for a page */ typedef struct lock_rec_struct lock_rec_t; +/** Record lock for a page */ struct lock_rec_struct { - ulint space; /* space id */ - ulint page_no; /* page number */ - ulint n_bits; /* number of bits in the lock + ulint space; /*!< space id */ + ulint page_no; /*!< page number */ + ulint n_bits; /*!< number of bits in the lock bitmap; NOTE: the lock bitmap is placed immediately after the lock struct */ }; -/* Lock struct */ +/** Lock struct */ struct lock_struct { - trx_t* trx; /* transaction owning the + trx_t* trx; /*!< transaction owning the lock */ UT_LIST_NODE_T(lock_t) - trx_locks; /* list of the locks of the + trx_locks; /*!< list of the locks of the transaction */ - ulint type_mode; /* lock type, mode, LOCK_GAP or + ulint type_mode; /*!< lock type, mode, LOCK_GAP or LOCK_REC_NOT_GAP, LOCK_INSERT_INTENTION, wait flag, ORed */ - hash_node_t hash; /* hash chain node for a record + hash_node_t hash; /*!< hash chain node for a record lock */ - dict_index_t* index; /* index for a record lock */ + dict_index_t* index; /*!< index for a record lock */ union { - lock_table_t tab_lock;/* table lock */ - lock_rec_t rec_lock;/* record lock */ - } un_member; + lock_table_t tab_lock;/*!< table lock */ + lock_rec_t rec_lock;/*!< record lock */ + } un_member; /*!< lock details */ }; -/************************************************************************* +/*********************************************************************//** Gets the type of a lock. @return LOCK_TABLE or LOCK_REC */ UNIV_INLINE @@ -88,10 +91,10 @@ lock_get_type_low( /*==============*/ const lock_t* lock); /*!< in: lock */ -/************************************************************************* +/*********************************************************************//** Gets the previous record lock set on a record. @return previous lock on the same record, NULL if none exists */ - +UNIV_INTERN const lock_t* lock_rec_get_prev( /*==============*/ diff --git a/include/lock0priv.ic b/include/lock0priv.ic index 36b1aa43d46..30447c99848 100644 --- a/include/lock0priv.ic +++ b/include/lock0priv.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0priv.ic Lock module internal inline methods. Created July 16, 2007 Vasil Dimov @@ -31,7 +32,7 @@ methods but they are used only in that file. */ #error Do not include lock0priv.ic outside of the lock/ module #endif -/************************************************************************* +/*********************************************************************//** Gets the type of a lock. @return LOCK_TABLE or LOCK_REC */ UNIV_INLINE diff --git a/include/lock0types.h b/include/lock0types.h index 52631b56532..45f29e90fe9 100644 --- a/include/lock0types.h +++ b/include/lock0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/lock0types.h The transaction lock system global types Created 5/7/1996 Heikki Tuuri diff --git a/include/log0log.h b/include/log0log.h index 13572a73892..b6e01539d61 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/log0log.h Database log Created 12/9/1995 Heikki Tuuri @@ -33,24 +34,31 @@ Created 12/9/1995 Heikki Tuuri #include "sync0rw.h" #endif /* !UNIV_HOTBACKUP */ +/** Redo log buffer */ typedef struct log_struct log_t; +/** Redo log group */ typedef struct log_group_struct log_group_t; #ifdef UNIV_DEBUG +/** Flag: write to log file? */ extern ibool log_do_write; +/** Flag: enable debug output when writing to the log? */ extern ibool log_debug_writes; #else /* UNIV_DEBUG */ +/** Write to log */ # define log_do_write TRUE #endif /* UNIV_DEBUG */ -/* Wait modes for log_write_up_to */ +/** Wait modes for log_write_up_to @{ */ #define LOG_NO_WAIT 91 #define LOG_WAIT_ONE_GROUP 92 #define LOG_WAIT_ALL_GROUPS 93 +/* @} */ +/** Maximum number of log groups in log_group_struct::checkpoint_buf */ #define LOG_MAX_N_GROUPS 32 #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, so that we know that the limit has been written to a log checkpoint field on disk. */ @@ -60,7 +68,7 @@ log_fsp_current_free_limit_set_and_checkpoint( /*==========================================*/ ulint limit); /*!< in: limit to set */ #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Calculates where in log files we find a specified lsn. @return log file number */ UNIV_INTERN @@ -78,7 +86,7 @@ log_calc_where_lsn_is( ib_int64_t log_file_size); /*!< in: log file size (including the header) */ #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Writes to the log the string given. The log must be released with log_release. @return end lsn of the log record, zero if did not succeed */ @@ -90,13 +98,13 @@ log_reserve_and_write_fast( ulint len, /*!< in: string length */ ib_uint64_t* start_lsn,/*!< out: start lsn of the log record */ ibool* success);/*!< out: TRUE if success */ -/*************************************************************************** +/***********************************************************************//** Releases the log mutex. */ UNIV_INLINE void log_release(void); /*=============*/ -/*************************************************************************** +/***********************************************************************//** Checks if there is need for a log buffer flush or a new checkpoint, and does this if yes. Any database operation should call this when it has modified more than about 4 pages. NOTE that this function may only be called when the @@ -105,7 +113,7 @@ UNIV_INLINE void log_free_check(void); /*================*/ -/**************************************************************** +/************************************************************//** Opens the log for log_write_low. The log must be closed with log_close and released with log_release. @return start lsn of the log record */ @@ -114,7 +122,7 @@ ib_uint64_t log_reserve_and_open( /*=================*/ ulint len); /*!< in: length of data to be catenated */ -/**************************************************************** +/************************************************************//** Writes to the log the string given. It is assumed that the caller holds the log mutex. */ UNIV_INTERN @@ -123,27 +131,27 @@ log_write_low( /*==========*/ byte* str, /*!< in: string */ ulint str_len); /*!< in: string length */ -/**************************************************************** +/************************************************************//** Closes the log. @return lsn */ UNIV_INTERN ib_uint64_t log_close(void); /*===========*/ -/**************************************************************** +/************************************************************//** Gets the current lsn. @return current lsn */ UNIV_INLINE ib_uint64_t log_get_lsn(void); /*=============*/ -/********************************************************** +/******************************************************//** Initializes the log. */ UNIV_INTERN void log_init(void); /*==========*/ -/********************************************************************** +/******************************************************************//** Inits a log group to the log system. */ UNIV_INTERN void @@ -160,14 +168,14 @@ log_group_init( files for this group; currently, only for the first log group this is used */ -/********************************************************** +/******************************************************//** Completes an i/o to a log file. */ UNIV_INTERN void log_io_complete( /*============*/ log_group_t* group); /*!< in: log group */ -/********************************************************** +/******************************************************//** This function is called, e.g., when a transaction wants to commit. It checks that the log has been written to the log file up to the last log entry written by the transaction. If there is a flush running, it waits and checks if the @@ -184,17 +192,18 @@ log_write_up_to( ibool flush_to_disk); /*!< in: TRUE if we want the written log also to be flushed to disk */ -/******************************************************************** +/****************************************************************//** Does a syncronous flush of the log buffer to disk. */ UNIV_INTERN void log_buffer_flush_to_disk(void); /*==========================*/ -/******************************************************************** +/****************************************************************//** Advances the smallest lsn for which there are unflushed dirty blocks in the buffer pool and also may make a new checkpoint. NOTE: this function may only be called if the calling thread owns no synchronization objects! -@return FALSE if there was a flush batch of the same type running, which means that we could not start this flush batch */ +@return FALSE if there was a flush batch of the same type running, +which means that we could not start this flush batch */ UNIV_INTERN ibool log_preflush_pool_modified_pages( @@ -204,7 +213,7 @@ log_preflush_pool_modified_pages( to this lsn */ ibool sync); /*!< in: TRUE if synchronous operation is desired */ -/********************************************************** +/******************************************************//** Makes a checkpoint. Note that this function does not flush dirty blocks from the buffer pool: it only checks what is lsn of the oldest modification in the pool, and writes information about the lsn in @@ -222,7 +231,7 @@ log_checkpoint( physical write is done; by setting this parameter TRUE, a physical write will always be made to log files */ -/******************************************************************** +/****************************************************************//** Makes a checkpoint at a given lsn or later. */ UNIV_INTERN void @@ -238,7 +247,7 @@ log_make_checkpoint_at( by setting this parameter TRUE, a physical write will always be made to log files */ -/******************************************************************** +/****************************************************************//** Makes a checkpoint at the latest lsn and writes it to first page of each data file in the database, so that we know that the file spaces contain all modifications up to that lsn. This can only be called at database @@ -247,7 +256,7 @@ UNIV_INTERN void logs_empty_and_mark_files_at_shutdown(void); /*=======================================*/ -/********************************************************** +/******************************************************//** Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ UNIV_INTERN void @@ -255,7 +264,7 @@ log_group_read_checkpoint_info( /*===========================*/ log_group_t* group, /*!< in: log group */ ulint field); /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ -/*********************************************************************** +/*******************************************************************//** Gets info from a checkpoint about a log group. */ UNIV_INTERN void @@ -265,13 +274,13 @@ log_checkpoint_get_nth_group_info( ulint n, /*!< in: nth slot */ ulint* file_no,/*!< out: archived file number */ ulint* offset);/*!< out: archived file offset */ -/********************************************************** +/******************************************************//** Writes checkpoint info to groups. */ UNIV_INTERN void log_groups_write_checkpoint_info(void); /*==================================*/ -/************************************************************************ +/********************************************************************//** Starts an archiving operation. @return TRUE if succeed, FALSE if an archiving operation was already running */ UNIV_INTERN @@ -281,7 +290,7 @@ log_archive_do( ibool sync, /*!< in: TRUE if synchronous operation is desired */ ulint* n_bytes);/*!< out: archive log buffer size, 0 if nothing to archive */ -/******************************************************************** +/****************************************************************//** Writes the log contents to the archive up to the lsn when this function was called, and stops the archiving. When archiving is started again, the archived log file numbers start from a number one higher, so that the archiving will @@ -292,28 +301,28 @@ UNIV_INTERN ulint log_archive_stop(void); /*==================*/ -/******************************************************************** +/****************************************************************//** Starts again archiving which has been stopped. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_start(void); /*===================*/ -/******************************************************************** +/****************************************************************//** Stop archiving the log so that a gap may occur in the archived log files. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_noarchivelog(void); /*==========================*/ -/******************************************************************** +/****************************************************************//** Start archiving the log so that a gap may occur in the archived log files. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN ulint log_archive_archivelog(void); /*========================*/ -/********************************************************** +/******************************************************//** Generates an archived log file name. */ UNIV_INTERN void @@ -323,7 +332,7 @@ log_archived_file_name_gen( ulint id, /*!< in: group id */ ulint file_no);/*!< in: file number */ #else /* !UNIV_HOTBACKUP */ -/********************************************************** +/******************************************************//** Writes info to a buffer of a log group when log files are created in backup restoration. */ UNIV_INTERN @@ -336,7 +345,7 @@ log_reset_first_header_and_checkpoint( we pretend that there is a checkpoint at start + LOG_BLOCK_HDR_SIZE */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Checks that there is enough free space in the log to start a new query step. Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this function may only be called if the calling thread owns no synchronization @@ -346,7 +355,7 @@ void log_check_margins(void); /*===================*/ #ifndef UNIV_HOTBACKUP -/********************************************************** +/******************************************************//** Reads a specified log segment to a buffer. */ UNIV_INTERN void @@ -357,7 +366,7 @@ log_group_read_log_seg( log_group_t* group, /*!< in: log group */ ib_uint64_t start_lsn, /*!< in: read area start */ ib_uint64_t end_lsn); /*!< in: read area end */ -/********************************************************** +/******************************************************//** Writes a buffer to a log file group. */ UNIV_INTERN void @@ -374,7 +383,7 @@ log_group_write_buf( buf: this parameter is used to decide if we have to write a new log file header */ -/************************************************************ +/********************************************************//** Sets the field values in group to correspond to a given lsn. For this function to work, the values must already be correctly initialized to correspond to some lsn, for instance, a checkpoint lsn. */ @@ -385,7 +394,7 @@ log_group_set_fields( log_group_t* group, /*!< in/out: group */ ib_uint64_t lsn); /*!< in: lsn for which the values should be set */ -/********************************************************** +/******************************************************//** Calculates the data capacity of a log group, when the log file headers are not included. @return capacity in bytes */ @@ -395,7 +404,7 @@ log_group_get_capacity( /*===================*/ const log_group_t* group); /*!< in: log group */ #endif /* !UNIV_HOTBACKUP */ -/**************************************************************** +/************************************************************//** Gets a log block flush bit. @return TRUE if this block was the first to be written in a log flush */ UNIV_INLINE @@ -403,7 +412,7 @@ ibool log_block_get_flush_bit( /*====================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Gets a log block number stored in the header. @return log block number stored in the block header */ UNIV_INLINE @@ -411,7 +420,7 @@ ulint log_block_get_hdr_no( /*=================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Gets a log block data length. @return log block data length measured as a byte offset from the block start */ UNIV_INLINE @@ -419,7 +428,7 @@ ulint log_block_get_data_len( /*===================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Sets the log block data length. */ UNIV_INLINE void @@ -427,7 +436,7 @@ log_block_set_data_len( /*===================*/ byte* log_block, /*!< in/out: log block */ ulint len); /*!< in: data length */ -/**************************************************************** +/************************************************************//** Calculates the checksum for a log block. @return checksum */ UNIV_INLINE @@ -435,7 +444,7 @@ ulint log_block_calc_checksum( /*====================*/ const byte* block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Gets a log block checksum field value. @return checksum */ UNIV_INLINE @@ -443,7 +452,7 @@ ulint log_block_get_checksum( /*===================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Sets a log block checksum field value. */ UNIV_INLINE void @@ -451,15 +460,16 @@ log_block_set_checksum( /*===================*/ byte* log_block, /*!< in/out: log block */ ulint checksum); /*!< in: checksum */ -/**************************************************************** +/************************************************************//** Gets a log block first mtr log record group offset. -@return first mtr log record group byte offset from the block start, 0 if none */ +@return first mtr log record group byte offset from the block start, 0 +if none */ UNIV_INLINE ulint log_block_get_first_rec_group( /*==========================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Sets the log block first mtr log record group offset. */ UNIV_INLINE void @@ -467,7 +477,7 @@ log_block_set_first_rec_group( /*==========================*/ byte* log_block, /*!< in/out: log block */ ulint offset); /*!< in: offset, 0 if none */ -/**************************************************************** +/************************************************************//** Gets a log block checkpoint number field (4 lowest bytes). @return checkpoint no (4 lowest bytes) */ UNIV_INLINE @@ -475,7 +485,7 @@ ulint log_block_get_checkpoint_no( /*========================*/ const byte* log_block); /*!< in: log block */ -/**************************************************************** +/************************************************************//** Initializes a log block in the log buffer. */ UNIV_INLINE void @@ -483,7 +493,7 @@ log_block_init( /*===========*/ byte* log_block, /*!< in: pointer to the log buffer */ ib_uint64_t lsn); /*!< in: lsn within the log block */ -/**************************************************************** +/************************************************************//** Initializes a log block in the log buffer in the old, < 3.23.52 format, where there was no checksum yet. */ UNIV_INLINE @@ -492,7 +502,7 @@ log_block_init_in_old_format( /*=========================*/ byte* log_block, /*!< in: pointer to the log buffer */ ib_uint64_t lsn); /*!< in: lsn within the log block */ -/**************************************************************** +/************************************************************//** Converts a lsn to a log block number. @return log block number, it is > 0 and <= 1G */ UNIV_INLINE @@ -500,14 +510,14 @@ ulint log_block_convert_lsn_to_no( /*========================*/ ib_uint64_t lsn); /*!< in: lsn of a byte within the block */ -/********************************************************** +/******************************************************//** Prints info of the log. */ UNIV_INTERN void log_print( /*======*/ FILE* file); /*!< in: file where to print */ -/********************************************************** +/******************************************************//** Peeks the current lsn. @return TRUE if success, FALSE if could not get the log system mutex */ UNIV_INTERN @@ -515,7 +525,7 @@ ibool log_peek_lsn( /*=========*/ ib_uint64_t* lsn); /*!< out: if returns TRUE, current lsn is here */ -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void @@ -585,7 +595,7 @@ extern log_t* log_sys; #define LOG_CHECKPOINT_ARCHIVED_LSN 24 #define LOG_CHECKPOINT_GROUP_ARRAY 32 -/* For each value < LOG_MAX_N_GROUPS the following 8 bytes: */ +/* For each value smaller than LOG_MAX_N_GROUPS the following 8 bytes: */ #define LOG_CHECKPOINT_ARCHIVED_FILE_NO 0 #define LOG_CHECKPOINT_ARCHIVED_OFFSET 4 @@ -653,76 +663,78 @@ extern log_t* log_sys; #define LOG_GROUP_OK 301 #define LOG_GROUP_CORRUPTED 302 -/* Log group consists of a number of log files, each of the same size; a log +/** Log group consists of a number of log files, each of the same size; a log group is implemented as a space in the sense of the module fil0fil. */ - struct log_group_struct{ /* The following fields are protected by log_sys->mutex */ - ulint id; /* log group id */ - ulint n_files; /* number of files in the group */ - ulint file_size; /* individual log file size in bytes, + ulint id; /*!< log group id */ + ulint n_files; /*!< number of files in the group */ + ulint file_size; /*!< individual log file size in bytes, including the log file header */ - ulint space_id; /* file space which implements the log + ulint space_id; /*!< file space which implements the log group */ - ulint state; /* LOG_GROUP_OK or + ulint state; /*!< LOG_GROUP_OK or LOG_GROUP_CORRUPTED */ - ib_uint64_t lsn; /* lsn used to fix coordinates within + ib_uint64_t lsn; /*!< lsn used to fix coordinates within the log group */ - ulint lsn_offset; /* the offset of the above lsn */ - ulint n_pending_writes;/* number of currently pending flush + ulint lsn_offset; /*!< the offset of the above lsn */ + ulint n_pending_writes;/*!< number of currently pending flush writes for this log group */ - byte** file_header_bufs;/* buffers for each file header in the - group */ - /*-----------------------------*/ - byte** archive_file_header_bufs;/* buffers for each file + byte** file_header_bufs;/*!< buffers for each file header in the group */ - ulint archive_space_id;/* file space which implements the log - group archive */ - ulint archived_file_no;/* file number corresponding to + /*-----------------------------*/ + byte** archive_file_header_bufs;/*!< buffers for each file + header in the group */ + ulint archive_space_id;/*!< file space which + implements the log group + archive */ + ulint archived_file_no;/*!< file number corresponding to log_sys->archived_lsn */ - ulint archived_offset;/* file offset corresponding to + ulint archived_offset;/*!< file offset corresponding to log_sys->archived_lsn, 0 if we have not yet written to the archive file number archived_file_no */ - ulint next_archived_file_no;/* during an archive write, + ulint next_archived_file_no;/*!< during an archive write, until the write is completed, we store the next value for archived_file_no here: the write completion function then sets the new value to ..._file_no */ - ulint next_archived_offset; /* like the preceding field */ + ulint next_archived_offset; /*!< like the preceding field */ /*-----------------------------*/ - ib_uint64_t scanned_lsn; /* used only in recovery: recovery scan + ib_uint64_t scanned_lsn; /*!< used only in recovery: recovery scan succeeded up to this lsn in this log group */ - byte* checkpoint_buf; /* checkpoint header is written from + byte* checkpoint_buf; /*!< checkpoint header is written from this buffer to the group */ UT_LIST_NODE_T(log_group_t) - log_groups; /* list of log groups */ + log_groups; /*!< list of log groups */ }; +/** Redo log buffer */ struct log_struct{ - byte pad[64]; /* padding to prevent other memory + byte pad[64]; /*!< padding to prevent other memory update hotspots from residing on the same memory cache line */ - ib_uint64_t lsn; /* log sequence number */ - ulint buf_free; /* first free offset within the log + ib_uint64_t lsn; /*!< log sequence number */ + ulint buf_free; /*!< first free offset within the log buffer */ #ifndef UNIV_HOTBACKUP - mutex_t mutex; /* mutex protecting the log */ + mutex_t mutex; /*!< mutex protecting the log */ #endif /* !UNIV_HOTBACKUP */ - byte* buf; /* log buffer */ - ulint buf_size; /* log buffer size in bytes */ - ulint max_buf_free; /* recommended maximum value of + byte* buf; /*!< log buffer */ + ulint buf_size; /*!< log buffer size in bytes */ + ulint max_buf_free; /*!< recommended maximum value of buf_free, after which the buffer is flushed */ - ulint old_buf_free; /* value of buf free when log was + ulint old_buf_free; /*!< value of buf free when log was last time opened; only in the debug version */ - ib_uint64_t old_lsn; /* value of lsn when log was last time - opened; only in the debug version */ + ib_uint64_t old_lsn; /*!< value of lsn when log was + last time opened; only in the + debug version */ ibool check_flush_or_checkpoint; - /* this is set to TRUE when there may + /*!< this is set to TRUE when there may be need to flush the log buffer, or preflush buffer pool pages, or make a checkpoint; this MUST be TRUE when @@ -731,12 +743,12 @@ struct log_struct{ peeked at by log_free_check(), which does not reserve the log mutex */ UT_LIST_BASE_NODE_T(log_group_t) - log_groups; /* log groups */ + log_groups; /*!< log groups */ #ifndef UNIV_HOTBACKUP - /* The fields involved in the log buffer flush */ + /** The fields involved in the log buffer flush @{ */ - ulint buf_next_to_write;/* first offset in the log buffer + ulint buf_next_to_write;/*!< first offset in the log buffer where the byte content may not exist written to file, e.g., the start offset of a log record catenated @@ -744,44 +756,46 @@ struct log_struct{ operation is completed to all the log groups */ ib_uint64_t written_to_some_lsn; - /* first log sequence number not yet + /*!< first log sequence number not yet written to any log group; for this to be advanced, it is enough that the write i/o has been completed for any one log group */ ib_uint64_t written_to_all_lsn; - /* first log sequence number not yet + /*!< first log sequence number not yet written to some log group; for this to be advanced, it is enough that the write i/o has been completed for all log groups */ - ib_uint64_t write_lsn; /* end lsn for the current running + ib_uint64_t write_lsn; /*!< end lsn for the current running write */ - ulint write_end_offset;/* the data in buffer has been written - up to this offset when the current - write ends: this field will then - be copied to buf_next_to_write */ - ib_uint64_t current_flush_lsn;/* end lsn for the current running + ulint write_end_offset;/*!< the data in buffer has + been written up to this offset + when the current write ends: + this field will then be copied + to buf_next_to_write */ + ib_uint64_t current_flush_lsn;/*!< end lsn for the current running write + flush operation */ ib_uint64_t flushed_to_disk_lsn; - /* how far we have written the log + /*!< how far we have written the log AND flushed to disk */ - ulint n_pending_writes;/* number of currently pending flushes - or writes */ + ulint n_pending_writes;/*!< number of currently + pending flushes or writes */ /* NOTE on the 'flush' in names of the fields below: starting from 4.0.14, we separate the write of the log file and the actual fsync() or other method to flush it to disk. The names below shhould really be 'flush_or_write'! */ - os_event_t no_flush_event; /* this event is in the reset state + os_event_t no_flush_event; /*!< this event is in the reset state when a flush or a write is running; a thread should wait for this without owning the log mutex, but NOTE that to set or reset this event, the thread MUST own the log mutex! */ - ibool one_flushed; /* during a flush, this is first FALSE - and becomes TRUE when one log group - has been written or flushed */ - os_event_t one_flushed_event;/* this event is reset when the + ibool one_flushed; /*!< during a flush, this is + first FALSE and becomes TRUE + when one log group has been + written or flushed */ + os_event_t one_flushed_event;/*!< this event is reset when the flush or write has not yet completed for any log group; e.g., this means that a transaction has been committed @@ -790,100 +804,110 @@ struct log_struct{ but NOTE that to set or reset this event, the thread MUST own the log mutex! */ - ulint n_log_ios; /* number of log i/os initiated thus + ulint n_log_ios; /*!< number of log i/os initiated thus far */ - ulint n_log_ios_old; /* number of log i/o's at the + ulint n_log_ios_old; /*!< number of log i/o's at the previous printout */ - time_t last_printout_time;/* when log_print was last time + time_t last_printout_time;/*!< when log_print was last time called */ + /* @} */ - /* Fields involved in checkpoints */ - ulint log_group_capacity; /* capacity of the log group; if + /** Fields involved in checkpoints @{ */ + ulint log_group_capacity; /*!< capacity of the log group; if the checkpoint age exceeds this, it is a serious error because it is possible we will then overwrite log and spoil crash recovery */ ulint max_modified_age_async; - /* when this recommended value for lsn - - buf_pool_get_oldest_modification() - is exceeded, we start an asynchronous - preflush of pool pages */ + /*!< when this recommended + value for lsn - + buf_pool_get_oldest_modification() + is exceeded, we start an + asynchronous preflush of pool pages */ ulint max_modified_age_sync; - /* when this recommended value for lsn - - buf_pool_get_oldest_modification() - is exceeded, we start a synchronous - preflush of pool pages */ + /*!< when this recommended + value for lsn - + buf_pool_get_oldest_modification() + is exceeded, we start a + synchronous preflush of pool pages */ ulint adm_checkpoint_interval; - /* administrator-specified checkpoint + /*!< administrator-specified checkpoint interval in terms of log growth in bytes; the interval actually used by the database can be smaller */ ulint max_checkpoint_age_async; - /* when this checkpoint age is exceeded - we start an asynchronous writing of a - new checkpoint */ + /*!< when this checkpoint age + is exceeded we start an + asynchronous writing of a new + checkpoint */ ulint max_checkpoint_age; - /* this is the maximum allowed value + /*!< this is the maximum allowed value for lsn - last_checkpoint_lsn when a new query step is started */ ib_uint64_t next_checkpoint_no; - /* next checkpoint number */ + /*!< next checkpoint number */ ib_uint64_t last_checkpoint_lsn; - /* latest checkpoint lsn */ + /*!< latest checkpoint lsn */ ib_uint64_t next_checkpoint_lsn; - /* next checkpoint lsn */ + /*!< next checkpoint lsn */ ulint n_pending_checkpoint_writes; - /* number of currently pending + /*!< number of currently pending checkpoint writes */ - rw_lock_t checkpoint_lock;/* this latch is x-locked when a + rw_lock_t checkpoint_lock;/*!< this latch is x-locked when a checkpoint write is running; a thread should wait for this without owning the log mutex */ #endif /* !UNIV_HOTBACKUP */ - byte* checkpoint_buf; /* checkpoint header is read to this + byte* checkpoint_buf; /*!< checkpoint header is read to this buffer */ + /* @} */ #ifdef UNIV_LOG_ARCHIVE - /* Fields involved in archiving */ - ulint archiving_state;/* LOG_ARCH_ON, LOG_ARCH_STOPPING + /** Fields involved in archiving @{ */ + ulint archiving_state;/*!< LOG_ARCH_ON, LOG_ARCH_STOPPING LOG_ARCH_STOPPED, LOG_ARCH_OFF */ - ib_uint64_t archived_lsn; /* archiving has advanced to this + ib_uint64_t archived_lsn; /*!< archiving has advanced to this lsn */ ulint max_archived_lsn_age_async; - /* recommended maximum age of + /*!< recommended maximum age of archived_lsn, before we start asynchronous copying to the archive */ ulint max_archived_lsn_age; - /* maximum allowed age for + /*!< maximum allowed age for archived_lsn */ - ib_uint64_t next_archived_lsn;/* during an archive write, + ib_uint64_t next_archived_lsn;/*!< during an archive write, until the write is completed, we store the next value for archived_lsn here: the write completion function then sets the new value to archived_lsn */ - ulint archiving_phase;/* LOG_ARCHIVE_READ or + ulint archiving_phase;/*!< LOG_ARCHIVE_READ or LOG_ARCHIVE_WRITE */ ulint n_pending_archive_ios; - /* number of currently pending reads + /*!< number of currently pending reads or writes in archiving */ - rw_lock_t archive_lock; /* this latch is x-locked when an + rw_lock_t archive_lock; /*!< this latch is x-locked when an archive write is running; a thread should wait for this without owning the log mutex */ - ulint archive_buf_size;/* size of archive_buf */ - byte* archive_buf; /* log segment is written to the + ulint archive_buf_size;/*!< size of archive_buf */ + byte* archive_buf; /*!< log segment is written to the archive from this buffer */ - os_event_t archiving_on; /* if archiving has been stopped, + os_event_t archiving_on; /*!< if archiving has been stopped, a thread can wait for this event to become signaled */ + /* @} */ #endif /* UNIV_LOG_ARCHIVE */ }; +#ifdef UNIV_LOG_ARCHIVE +/** Archiving state @{ */ #define LOG_ARCH_ON 71 #define LOG_ARCH_STOPPING 72 #define LOG_ARCH_STOPPING2 73 #define LOG_ARCH_STOPPED 74 #define LOG_ARCH_OFF 75 +/* @} */ +#endif /* UNIV_LOG_ARCHIVE */ #ifndef UNIV_NONINL #include "log0log.ic" diff --git a/include/log0log.ic b/include/log0log.ic index 6b154f96955..fc0769cd963 100644 --- a/include/log0log.ic +++ b/include/log0log.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/log0log.ic Database log Created 12/9/1995 Heikki Tuuri @@ -26,7 +27,7 @@ Created 12/9/1995 Heikki Tuuri #include "mach0data.h" #include "mtr0mtr.h" -/********************************************************** +/******************************************************//** Checks by parsing that the catenated log segment for a single mtr is consistent. */ UNIV_INTERN @@ -39,7 +40,7 @@ log_check_log_recs( ulint len, /*!< in: segment length in bytes */ ib_uint64_t buf_start_lsn); /*!< in: buffer start lsn */ -/**************************************************************** +/************************************************************//** Gets a log block flush bit. @return TRUE if this block was the first to be written in a log flush */ UNIV_INLINE @@ -57,7 +58,7 @@ log_block_get_flush_bit( return(FALSE); } -/**************************************************************** +/************************************************************//** Sets the log block flush bit. */ UNIV_INLINE void @@ -79,7 +80,7 @@ log_block_set_flush_bit( mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, field); } -/**************************************************************** +/************************************************************//** Gets a log block number stored in the header. @return log block number stored in the block header */ UNIV_INLINE @@ -92,7 +93,7 @@ log_block_get_hdr_no( & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)); } -/**************************************************************** +/************************************************************//** Sets the log block number stored in the header; NOTE that this must be set before the flush bit! */ UNIV_INLINE @@ -109,7 +110,7 @@ log_block_set_hdr_no( mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, n); } -/**************************************************************** +/************************************************************//** Gets a log block data length. @return log block data length measured as a byte offset from the block start */ UNIV_INLINE @@ -121,7 +122,7 @@ log_block_get_data_len( return(mach_read_from_2(log_block + LOG_BLOCK_HDR_DATA_LEN)); } -/**************************************************************** +/************************************************************//** Sets the log block data length. */ UNIV_INLINE void @@ -133,9 +134,10 @@ log_block_set_data_len( mach_write_to_2(log_block + LOG_BLOCK_HDR_DATA_LEN, len); } -/**************************************************************** +/************************************************************//** Gets a log block first mtr log record group offset. -@return first mtr log record group byte offset from the block start, 0 if none */ +@return first mtr log record group byte offset from the block start, 0 +if none */ UNIV_INLINE ulint log_block_get_first_rec_group( @@ -145,7 +147,7 @@ log_block_get_first_rec_group( return(mach_read_from_2(log_block + LOG_BLOCK_FIRST_REC_GROUP)); } -/**************************************************************** +/************************************************************//** Sets the log block first mtr log record group offset. */ UNIV_INLINE void @@ -157,7 +159,7 @@ log_block_set_first_rec_group( mach_write_to_2(log_block + LOG_BLOCK_FIRST_REC_GROUP, offset); } -/**************************************************************** +/************************************************************//** Gets a log block checkpoint number field (4 lowest bytes). @return checkpoint no (4 lowest bytes) */ UNIV_INLINE @@ -169,7 +171,7 @@ log_block_get_checkpoint_no( return(mach_read_from_4(log_block + LOG_BLOCK_CHECKPOINT_NO)); } -/**************************************************************** +/************************************************************//** Sets a log block checkpoint number field (4 lowest bytes). */ UNIV_INLINE void @@ -181,7 +183,7 @@ log_block_set_checkpoint_no( mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no); } -/**************************************************************** +/************************************************************//** Converts a lsn to a log block number. @return log block number, it is > 0 and <= 1G */ UNIV_INLINE @@ -193,7 +195,7 @@ log_block_convert_lsn_to_no( return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1); } -/**************************************************************** +/************************************************************//** Calculates the checksum for a log block. @return checksum */ UNIV_INLINE @@ -223,7 +225,7 @@ log_block_calc_checksum( return(sum); } -/**************************************************************** +/************************************************************//** Gets a log block checksum field value. @return checksum */ UNIV_INLINE @@ -236,7 +238,7 @@ log_block_get_checksum( - LOG_BLOCK_CHECKSUM)); } -/**************************************************************** +/************************************************************//** Sets a log block checksum field value. */ UNIV_INLINE void @@ -250,7 +252,7 @@ log_block_set_checksum( checksum); } -/**************************************************************** +/************************************************************//** Initializes a log block in the log buffer. */ UNIV_INLINE void @@ -271,7 +273,7 @@ log_block_init( log_block_set_first_rec_group(log_block, 0); } -/**************************************************************** +/************************************************************//** Initializes a log block in the log buffer in the old format, where there was no checksum yet. */ UNIV_INLINE @@ -295,7 +297,7 @@ log_block_init_in_old_format( } #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Writes to the log the string given. The log must be released with log_release. @return end lsn of the log record, zero if did not succeed */ @@ -354,7 +356,7 @@ log_reserve_and_write_fast( return(lsn); } -/*************************************************************************** +/***********************************************************************//** Releases the log mutex. */ UNIV_INLINE void @@ -364,7 +366,7 @@ log_release(void) mutex_exit(&(log_sys->mutex)); } -/**************************************************************** +/************************************************************//** Gets the current lsn. @return current lsn */ UNIV_INLINE @@ -383,7 +385,7 @@ log_get_lsn(void) return(lsn); } -/*************************************************************************** +/***********************************************************************//** Checks if there is need for a log buffer flush or a new checkpoint, and does this if yes. Any database operation should call this when it has modified more than about 4 pages. NOTE that this function may only be called when the diff --git a/include/log0recv.h b/include/log0recv.h index 68fd98240be..8468c213bdb 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/log0recv.h Recovery Created 9/20/1997 Heikki Tuuri @@ -34,7 +35,7 @@ Created 9/20/1997 Heikki Tuuri #ifdef UNIV_HOTBACKUP extern ibool recv_replay_file_ops; -/*********************************************************************** +/*******************************************************************//** Reads the checkpoint info needed in hot backup. @return TRUE if success */ UNIV_INTERN @@ -52,7 +53,7 @@ recv_read_cp_info_for_backup( ib_uint64_t* first_header_lsn); /*!< out: lsn of of the start of the first log file */ -/*********************************************************************** +/*******************************************************************//** Scans the log segment and n_bytes_scanned is set to the length of valid log scanned. */ UNIV_INTERN @@ -71,7 +72,7 @@ recv_scan_log_seg_for_backup( scan, smaller than buf_len if log data ended here */ #endif /* UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Returns TRUE if recovery is currently running. @return recv_recovery_on */ UNIV_INLINE @@ -79,7 +80,7 @@ ibool recv_recovery_is_on(void); /*=====================*/ #ifdef UNIV_LOG_ARCHIVE -/*********************************************************************** +/*******************************************************************//** Returns TRUE if recovery from backup is currently running. @return recv_recovery_from_backup_on */ UNIV_INLINE @@ -87,7 +88,7 @@ ibool recv_recovery_from_backup_is_on(void); /*=================================*/ #endif /* UNIV_LOG_ARCHIVE */ -/**************************************************************************** +/************************************************************************//** Applies the hashed log records to the page, if the page lsn is less than the lsn of a log record. This can be called when a buffer page has just been read in, or also for a page already in the buffer pool. */ @@ -97,16 +98,32 @@ recv_recover_page_func( /*===================*/ #ifndef UNIV_HOTBACKUP ibool just_read_in, - /*!< in: TRUE if the i/o-handler calls this for - a freshly read page */ + /*!< in: TRUE if the i/o handler calls + this for a freshly read page */ #endif /* !UNIV_HOTBACKUP */ - buf_block_t* block); /*!< in: buffer block */ + buf_block_t* block); /*!< in/out: buffer block */ #ifndef UNIV_HOTBACKUP +/** Wrapper for recv_recover_page_func(). +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. +@param jri in: TRUE if just read in (the i/o handler calls this for +a freshly read page) +@param block in/out: the buffer block +*/ # define recv_recover_page(jri, block) recv_recover_page_func(jri, block) #else /* !UNIV_HOTBACKUP */ +/** Wrapper for recv_recover_page_func(). +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. +@param jri in: TRUE if just read in (the i/o handler calls this for +a freshly read page) +@param block in/out: the buffer block +*/ # define recv_recover_page(jri, block) recv_recover_page_func(block) #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Recovers from a checkpoint. When this function returns, the database is able to start processing of new user transactions, but the function recv_recovery_from_checkpoint_finish should be called later to complete @@ -117,7 +134,8 @@ ulint recv_recovery_from_checkpoint_start_func( /*=====================================*/ #ifdef UNIV_LOG_ARCHIVE - ulint type, /*!< in: LOG_CHECKPOINT or LOG_ARCHIVE */ + ulint type, /*!< in: LOG_CHECKPOINT or + LOG_ARCHIVE */ ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ #endif /* UNIV_LOG_ARCHIVE */ @@ -126,24 +144,45 @@ recv_recovery_from_checkpoint_start_func( ib_uint64_t max_flushed_lsn);/*!< in: max flushed lsn from data files */ #ifdef UNIV_LOG_ARCHIVE +/** Wrapper for recv_recovery_from_checkpoint_start_func(). +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@param type in: LOG_CHECKPOINT or LOG_ARCHIVE +@param lim in: recover up to this log sequence number if possible +@param min in: minimum flushed log sequence number from data files +@param max in: maximum flushed log sequence number from data files +@return error code or DB_SUCCESS */ # define recv_recovery_from_checkpoint_start(type,lim,min,max) \ recv_recovery_from_checkpoint_start_func(type,lim,min,max) #else /* UNIV_LOG_ARCHIVE */ +/** Wrapper for recv_recovery_from_checkpoint_start_func(). +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@param type ignored: LOG_CHECKPOINT or LOG_ARCHIVE +@param lim ignored: recover up to this log sequence number if possible +@param min in: minimum flushed log sequence number from data files +@param max in: maximum flushed log sequence number from data files +@return error code or DB_SUCCESS */ # define recv_recovery_from_checkpoint_start(type,lim,min,max) \ recv_recovery_from_checkpoint_start_func(min,max) #endif /* UNIV_LOG_ARCHIVE */ -/************************************************************ +/********************************************************//** Completes recovery from a checkpoint. */ UNIV_INTERN void recv_recovery_from_checkpoint_finish(void); /*======================================*/ -/*********************************************************** +/*******************************************************//** Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. Unless UNIV_HOTBACKUP is defined, this function will apply log records automatically when the hash table becomes full. -@return TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ +@return TRUE if limit_lsn has been reached, or not able to scan any +more in this log group */ UNIV_INTERN ibool recv_scan_log_recs( @@ -163,7 +202,7 @@ recv_scan_log_recs( to this lsn */ ib_uint64_t* group_scanned_lsn);/*!< out: scanning succeeded up to this lsn */ -/********************************************************** +/******************************************************//** Resets the logs. The contents of log files will be lost! */ UNIV_INTERN void @@ -182,7 +221,7 @@ recv_reset_logs( FALSE if it is done after archive recovery */ #ifdef UNIV_HOTBACKUP -/********************************************************** +/******************************************************//** Creates new log files after a backup has been restored. */ UNIV_INTERN void @@ -194,20 +233,20 @@ recv_reset_log_files_for_backup( ib_uint64_t lsn); /*!< in: new start lsn, must be divisible by OS_FILE_LOG_BLOCK_SIZE */ #endif /* UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Creates the recovery system. */ UNIV_INTERN void recv_sys_create(void); /*=================*/ -/************************************************************ +/********************************************************//** Inits the recovery system for a recovery operation. */ UNIV_INTERN void recv_sys_init( /*==========*/ ulint available_memory); /*!< in: available memory in bytes */ -/*********************************************************************** +/*******************************************************************//** Empties the hash table of stored log records, applying them to appropriate pages. */ UNIV_INTERN @@ -222,7 +261,7 @@ recv_apply_hashed_log_recs( alternative means that no new log records can be generated during the application */ #ifdef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Applies log records in the hash table to a backup. */ UNIV_INTERN void @@ -230,7 +269,7 @@ recv_apply_log_recs_for_backup(void); /*================================*/ #endif #ifdef UNIV_LOG_ARCHIVE -/************************************************************ +/********************************************************//** Recovers from archived log files, and also from log files, if they exist. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -246,7 +285,7 @@ recv_recovery_from_archive_start( file will be searched from INNOBASE_LOG_ARCH_DIR specified in server config file */ -/************************************************************ +/********************************************************//** Completes recovery from archive. */ UNIV_INTERN void @@ -254,135 +293,170 @@ recv_recovery_from_archive_finish(void); /*===================================*/ #endif /* UNIV_LOG_ARCHIVE */ -/* Block of log record data */ +/** Block of log record data */ typedef struct recv_data_struct recv_data_t; +/** Block of log record data */ struct recv_data_struct{ - recv_data_t* next; /* pointer to the next block or NULL */ - /* the log record data is stored physically + recv_data_t* next; /*!< pointer to the next block or NULL */ + /*!< the log record data is stored physically immediately after this struct, max amount RECV_DATA_BLOCK_SIZE bytes of it */ }; -/* Stored log record struct */ +/** Stored log record struct */ typedef struct recv_struct recv_t; +/** Stored log record struct */ struct recv_struct{ - byte type; /* log record type */ - ulint len; /* log record body length in bytes */ - recv_data_t* data; /* chain of blocks containing the log record + byte type; /*!< log record type */ + ulint len; /*!< log record body length in bytes */ + recv_data_t* data; /*!< chain of blocks containing the log record body */ - ib_uint64_t start_lsn;/* start lsn of the log segment written by + ib_uint64_t start_lsn;/*!< start lsn of the log segment written by the mtr which generated this log record: NOTE that this is not necessarily the start lsn of this log record */ - ib_uint64_t end_lsn;/* end lsn of the log segment written by + ib_uint64_t end_lsn;/*!< end lsn of the log segment written by the mtr which generated this log record: NOTE that this is not necessarily the end lsn of this log record */ UT_LIST_NODE_T(recv_t) - rec_list;/* list of log records for this page */ + rec_list;/*!< list of log records for this page */ }; -/* Hashed page file address struct */ +/** States of recv_addr_struct */ +enum recv_addr_state { + /** not yet processed */ + RECV_NOT_PROCESSED, + /** page is being read */ + RECV_BEING_READ, + /** log records are being applied on the page */ + RECV_BEING_PROCESSED, + /** log records have been applied on the page, or they have + been discarded because the tablespace does not exist */ + RECV_PROCESSED +}; + +/** Hashed page file address struct */ typedef struct recv_addr_struct recv_addr_t; +/** Hashed page file address struct */ struct recv_addr_struct{ - ulint state; /* RECV_NOT_PROCESSED, RECV_BEING_PROCESSED, - or RECV_PROCESSED */ - ulint space; /* space id */ - ulint page_no;/* page number */ + enum recv_addr_state state; + /*!< recovery state of the page */ + ulint space; /*!< space id */ + ulint page_no;/*!< page number */ UT_LIST_BASE_NODE_T(recv_t) - rec_list;/* list of log records for this page */ - hash_node_t addr_hash; + rec_list;/*!< list of log records for this page */ + hash_node_t addr_hash;/*!< hash node in the hash bucket chain */ }; -/* Recovery system data structure */ +/** Recovery system data structure */ typedef struct recv_sys_struct recv_sys_t; +/** Recovery system data structure */ struct recv_sys_struct{ #ifndef UNIV_HOTBACKUP - mutex_t mutex; /* mutex protecting the fields apply_log_recs, + mutex_t mutex; /*!< mutex protecting the fields apply_log_recs, n_addrs, and the state field in each recv_addr struct */ #endif /* !UNIV_HOTBACKUP */ ibool apply_log_recs; - /* this is TRUE when log rec application to + /*!< this is TRUE when log rec application to pages is allowed; this flag tells the i/o-handler if it should do log record application */ ibool apply_batch_on; - /* this is TRUE when a log rec application + /*!< this is TRUE when a log rec application batch is running */ - ib_uint64_t lsn; /* log sequence number */ + ib_uint64_t lsn; /*!< log sequence number */ ulint last_log_buf_size; - /* size of the log buffer when the database + /*!< size of the log buffer when the database last time wrote to the log */ byte* last_block; - /* possible incomplete last recovered log + /*!< possible incomplete last recovered log block */ byte* last_block_buf_start; - /* the nonaligned start address of the + /*!< the nonaligned start address of the preceding buffer */ - byte* buf; /* buffer for parsing log records */ - ulint len; /* amount of data in buf */ + byte* buf; /*!< buffer for parsing log records */ + ulint len; /*!< amount of data in buf */ ib_uint64_t parse_start_lsn; - /* this is the lsn from which we were able to + /*!< this is the lsn from which we were able to start parsing log records and adding them to the hash table; zero if a suitable start point not found yet */ ib_uint64_t scanned_lsn; - /* the log data has been scanned up to this + /*!< the log data has been scanned up to this lsn */ ulint scanned_checkpoint_no; - /* the log data has been scanned up to this + /*!< the log data has been scanned up to this checkpoint number (lowest 4 bytes) */ ulint recovered_offset; - /* start offset of non-parsed log records in + /*!< start offset of non-parsed log records in buf */ ib_uint64_t recovered_lsn; - /* the log records have been parsed up to + /*!< the log records have been parsed up to this lsn */ - ib_uint64_t limit_lsn;/* recovery should be made at most up to this - lsn */ + ib_uint64_t limit_lsn;/*!< recovery should be made at most + up to this lsn */ ibool found_corrupt_log; - /* this is set to TRUE if we during log + /*!< this is set to TRUE if we during log scan find a corrupt log block, or a corrupt log record, or there is a log parsing buffer overflow */ #ifdef UNIV_LOG_ARCHIVE log_group_t* archive_group; - /* in archive recovery: the log group whose + /*!< in archive recovery: the log group whose archive is read */ #endif /* !UNIV_LOG_ARCHIVE */ - mem_heap_t* heap; /* memory heap of log records and file + mem_heap_t* heap; /*!< memory heap of log records and file addresses*/ - hash_table_t* addr_hash;/* hash table of file addresses of pages */ - ulint n_addrs;/* number of not processed hashed file + hash_table_t* addr_hash;/*!< hash table of file addresses of pages */ + ulint n_addrs;/*!< number of not processed hashed file addresses in the hash table */ }; +/** The recovery system */ extern recv_sys_t* recv_sys; + +/** TRUE when applying redo log records during crash recovery; FALSE +otherwise. Note that this is FALSE while a background thread is +rolling back incomplete transactions. */ extern ibool recv_recovery_on; +/** If the following is TRUE, the buffer pool file pages must be invalidated +after recovery and no ibuf operations are allowed; this becomes TRUE if +the log record hash table becomes too full, and log records must be merged +to file pages already before the recovery is finished: in this case no +ibuf operations are allowed, as they could modify the pages read in the +buffer pool before the pages have been recovered to the up-to-date state. + +TRUE means that recovery is running and no operations on the log files +are allowed yet: the variable name is misleading. */ extern ibool recv_no_ibuf_operations; +/** TRUE when recv_init_crash_recovery() has been called. */ extern ibool recv_needed_recovery; +/** TRUE if buf_page_is_corrupted() should check if the log sequence +number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by +recv_recovery_from_checkpoint_start_func(). */ extern ibool recv_lsn_checks_on; #ifdef UNIV_HOTBACKUP +/** TRUE when the redo log is being backed up */ extern ibool recv_is_making_a_backup; #endif /* UNIV_HOTBACKUP */ +/** Maximum page number encountered in the redo log */ extern ulint recv_max_parsed_page_no; -/* Size of the parsing buffer; it must accommodate RECV_SCAN_SIZE many +/** Size of the parsing buffer; it must accommodate RECV_SCAN_SIZE many times! */ #define RECV_PARSING_BUF_SIZE (2 * 1024 * 1024) -/* Size of block reads when the log groups are scanned forward to do a +/** Size of block reads when the log groups are scanned forward to do a roll-forward */ #define RECV_SCAN_SIZE (4 * UNIV_PAGE_SIZE) -/* States of recv_addr_struct */ -#define RECV_NOT_PROCESSED 71 -#define RECV_BEING_READ 72 -#define RECV_BEING_PROCESSED 73 -#define RECV_PROCESSED 74 - +/** This many frames must be left free in the buffer pool when we scan +the log and store the scanned log records in the buffer pool: we will +use these free frames to read in pages when we start applying the +log records to the database. */ extern ulint recv_n_pool_free_frames; #ifndef UNIV_NONINL diff --git a/include/log0recv.ic b/include/log0recv.ic index 3bd3fc4e6ba..0a8e55b96fa 100644 --- a/include/log0recv.ic +++ b/include/log0recv.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/log0recv.ic Recovery Created 9/20/1997 Heikki Tuuri @@ -24,7 +25,7 @@ Created 9/20/1997 Heikki Tuuri #include "univ.i" -/*********************************************************************** +/*******************************************************************//** Returns TRUE if recovery is currently running. @return recv_recovery_on */ UNIV_INLINE @@ -36,9 +37,10 @@ recv_recovery_is_on(void) } #ifdef UNIV_LOG_ARCHIVE +/** TRUE when applying redo log records from an archived log file */ extern ibool recv_recovery_from_backup_on; -/*********************************************************************** +/*******************************************************************//** Returns TRUE if recovery from backup is currently running. @return recv_recovery_from_backup_on */ UNIV_INLINE diff --git a/include/mach0data.h b/include/mach0data.h index e1aeb986e3e..44ee3df22ce 100644 --- a/include/mach0data.h +++ b/include/mach0data.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/mach0data.h Utilities for converting data from the database file to the machine format. @@ -34,7 +35,7 @@ in the same format: ascii, big-endian, ... . All data in the files MUST be accessed using the functions in this module. */ -/*********************************************************** +/*******************************************************//** The following function is used to store data in one byte. */ UNIV_INLINE void @@ -42,7 +43,7 @@ mach_write_to_1( /*============*/ byte* b, /*!< in: pointer to byte where to store */ ulint n); /*!< in: ulint integer to be stored, >= 0, < 256 */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from one byte. @return ulint integer, >= 0, < 256 */ UNIV_INLINE @@ -51,7 +52,7 @@ mach_read_from_1( /*=============*/ const byte* b) /*!< in: pointer to byte */ __attribute__((nonnull, pure)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in two consecutive bytes. We store the most significant byte to the lower address. */ UNIV_INLINE @@ -60,7 +61,7 @@ mach_write_to_2( /*============*/ byte* b, /*!< in: pointer to two bytes where to store */ ulint n); /*!< in: ulint integer to be stored, >= 0, < 64k */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from two consecutive bytes. The most significant byte is at the lowest address. @return ulint integer, >= 0, < 64k */ @@ -71,7 +72,7 @@ mach_read_from_2( const byte* b) /*!< in: pointer to two bytes */ __attribute__((nonnull, pure)); -/************************************************************ +/********************************************************//** The following function is used to convert a 16-bit data item to the canonical format, for fast bytewise equality test against memory. @@ -82,7 +83,7 @@ mach_encode_2( /*==========*/ ulint n) /*!< in: integer in machine-dependent format */ __attribute__((const)); -/************************************************************ +/********************************************************//** The following function is used to convert a 16-bit data item from the canonical format, for fast bytewise equality test against memory. @@ -93,7 +94,7 @@ mach_decode_2( /*==========*/ uint16 n) /*!< in: 16-bit integer in canonical format */ __attribute__((const)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in 3 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -102,7 +103,7 @@ mach_write_to_3( /*============*/ byte* b, /*!< in: pointer to 3 bytes where to store */ ulint n); /*!< in: ulint integer to be stored */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from 3 consecutive bytes. The most significant byte is at the lowest address. @return ulint integer */ @@ -112,7 +113,7 @@ mach_read_from_3( /*=============*/ const byte* b) /*!< in: pointer to 3 bytes */ __attribute__((nonnull, pure)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in four consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -121,7 +122,7 @@ mach_write_to_4( /*============*/ byte* b, /*!< in: pointer to four bytes where to store */ ulint n); /*!< in: ulint integer to be stored */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from 4 consecutive bytes. The most significant byte is at the lowest address. @return ulint integer */ @@ -131,7 +132,7 @@ mach_read_from_4( /*=============*/ const byte* b) /*!< in: pointer to four bytes */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a ulint in a compressed form (1..5 bytes). @return stored size in bytes */ UNIV_INLINE @@ -140,7 +141,7 @@ mach_write_compressed( /*==================*/ byte* b, /*!< in: pointer to memory where to store */ ulint n); /*!< in: ulint integer to be stored */ -/************************************************************* +/*********************************************************//** Returns the size of an ulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -149,7 +150,7 @@ mach_get_compressed_size( /*=====================*/ ulint n) /*!< in: ulint integer to be stored */ __attribute__((const)); -/************************************************************* +/*********************************************************//** Reads a ulint in a compressed form. @return read integer */ UNIV_INLINE @@ -158,7 +159,7 @@ mach_read_compressed( /*=================*/ const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in 6 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -167,7 +168,7 @@ mach_write_to_6( /*============*/ byte* b, /*!< in: pointer to 6 bytes where to store */ dulint n); /*!< in: dulint integer to be stored */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from 6 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -177,7 +178,7 @@ mach_read_from_6( /*=============*/ const byte* b) /*!< in: pointer to 6 bytes */ __attribute__((nonnull, pure)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in 7 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -186,7 +187,7 @@ mach_write_to_7( /*============*/ byte* b, /*!< in: pointer to 7 bytes where to store */ dulint n); /*!< in: dulint integer to be stored */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from 7 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -196,7 +197,7 @@ mach_read_from_7( /*=============*/ const byte* b) /*!< in: pointer to 7 bytes */ __attribute__((nonnull, pure)); -/*********************************************************** +/*******************************************************//** The following function is used to store data in 8 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -205,7 +206,7 @@ mach_write_to_8( /*============*/ byte* b, /*!< in: pointer to 8 bytes where to store */ dulint n); /*!< in: dulint integer to be stored */ -/*********************************************************** +/*******************************************************//** The following function is used to store data in 8 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -214,7 +215,7 @@ mach_write_ull( /*===========*/ byte* b, /*!< in: pointer to 8 bytes where to store */ ib_uint64_t n); /*!< in: 64-bit integer to be stored */ -/************************************************************ +/********************************************************//** The following function is used to fetch data from 8 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -224,7 +225,7 @@ mach_read_from_8( /*=============*/ const byte* b) /*!< in: pointer to 8 bytes */ __attribute__((nonnull, pure)); -/************************************************************ +/********************************************************//** The following function is used to fetch data from 8 consecutive bytes. The most significant byte is at the lowest address. @return 64-bit integer */ @@ -234,7 +235,7 @@ mach_read_ull( /*==========*/ const byte* b) /*!< in: pointer to 8 bytes */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a dulint in a compressed form (5..9 bytes). @return size in bytes */ UNIV_INLINE @@ -243,7 +244,7 @@ mach_dulint_write_compressed( /*=========================*/ byte* b, /*!< in: pointer to memory where to store */ dulint n); /*!< in: dulint integer to be stored */ -/************************************************************* +/*********************************************************//** Returns the size of a dulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -251,7 +252,7 @@ ulint mach_dulint_get_compressed_size( /*============================*/ dulint n); /*!< in: dulint integer to be stored */ -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form. @return read dulint */ UNIV_INLINE @@ -260,7 +261,7 @@ mach_dulint_read_compressed( /*========================*/ const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a dulint in a compressed form (1..11 bytes). @return size in bytes */ UNIV_INLINE @@ -269,7 +270,7 @@ mach_dulint_write_much_compressed( /*==============================*/ byte* b, /*!< in: pointer to memory where to store */ dulint n); /*!< in: dulint integer to be stored */ -/************************************************************* +/*********************************************************//** Returns the size of a dulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -278,7 +279,7 @@ mach_dulint_get_much_compressed_size( /*=================================*/ dulint n) /*!< in: dulint integer to be stored */ __attribute__((const)); -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form. @return read dulint */ UNIV_INLINE @@ -287,7 +288,7 @@ mach_dulint_read_much_compressed( /*=============================*/ const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Reads a ulint in a compressed form if the log record fully contains it. @return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN @@ -297,7 +298,7 @@ mach_parse_compressed( byte* ptr, /*!< in: pointer to buffer from where to read */ byte* end_ptr,/*!< in: pointer to end of the buffer */ ulint* val); /*!< out: read value */ -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form if the log record fully contains it. @return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN @@ -308,7 +309,7 @@ mach_dulint_parse_compressed( byte* end_ptr,/*!< in: pointer to end of the buffer */ dulint* val); /*!< out: read value */ #ifndef UNIV_HOTBACKUP -/************************************************************* +/*********************************************************//** Reads a double. It is stored in a little-endian format. @return double read */ UNIV_INLINE @@ -317,7 +318,7 @@ mach_double_read( /*=============*/ const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a double. It is stored in a little-endian format. */ UNIV_INLINE void @@ -325,7 +326,7 @@ mach_double_write( /*==============*/ byte* b, /*!< in: pointer to memory where to write */ double d); /*!< in: double */ -/************************************************************* +/*********************************************************//** Reads a float. It is stored in a little-endian format. @return float read */ UNIV_INLINE @@ -334,7 +335,7 @@ mach_float_read( /*============*/ const byte* b) /*!< in: pointer to memory from where to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a float. It is stored in a little-endian format. */ UNIV_INLINE void @@ -342,7 +343,7 @@ mach_float_write( /*=============*/ byte* b, /*!< in: pointer to memory where to write */ float d); /*!< in: float */ -/************************************************************* +/*********************************************************//** Reads a ulint stored in the little-endian format. @return unsigned long int */ UNIV_INLINE @@ -352,7 +353,7 @@ mach_read_from_n_little_endian( const byte* buf, /*!< in: from where to read */ ulint buf_size) /*!< in: from how many bytes to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a ulint in the little-endian format. */ UNIV_INLINE void @@ -361,7 +362,7 @@ mach_write_to_n_little_endian( byte* dest, /*!< in: where to write */ ulint dest_size, /*!< in: into how many bytes to write */ ulint n); /*!< in: unsigned long int to write */ -/************************************************************* +/*********************************************************//** Reads a ulint stored in the little-endian format. @return unsigned long int */ UNIV_INLINE @@ -370,7 +371,7 @@ mach_read_from_2_little_endian( /*===========================*/ const byte* buf) /*!< in: from where to read */ __attribute__((nonnull, pure)); -/************************************************************* +/*********************************************************//** Writes a ulint in the little-endian format. */ UNIV_INLINE void @@ -379,7 +380,7 @@ mach_write_to_2_little_endian( byte* dest, /*!< in: where to write */ ulint n); /*!< in: unsigned long int to write */ -/************************************************************* +/*********************************************************//** Convert integral type from storage byte order (big endian) to host byte order. @return integer value */ diff --git a/include/mach0data.ic b/include/mach0data.ic index 6a7242240b1..ef20356bd31 100644 --- a/include/mach0data.ic +++ b/include/mach0data.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/mach0data.ic Utilities for converting data from the database file to the machine format. @@ -25,7 +26,7 @@ Created 11/28/1995 Heikki Tuuri #include "ut0mem.h" -/*********************************************************** +/*******************************************************//** The following function is used to store data in one byte. */ UNIV_INLINE void @@ -40,7 +41,7 @@ mach_write_to_1( b[0] = (byte)n; } -/************************************************************ +/********************************************************//** The following function is used to fetch data from one byte. @return ulint integer, >= 0, < 256 */ UNIV_INLINE @@ -53,7 +54,7 @@ mach_read_from_1( return((ulint)(b[0])); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in two consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -70,7 +71,7 @@ mach_write_to_2( b[1] = (byte)(n); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 2 consecutive bytes. The most significant byte is at the lowest address. @return ulint integer */ @@ -86,7 +87,7 @@ mach_read_from_2( ); } -/************************************************************ +/********************************************************//** The following function is used to convert a 16-bit data item to the canonical format, for fast bytewise equality test against memory. @@ -102,7 +103,7 @@ mach_encode_2( mach_write_to_2((byte*) &ret, n); return(ret); } -/************************************************************ +/********************************************************//** The following function is used to convert a 16-bit data item from the canonical format, for fast bytewise equality test against memory. @@ -117,7 +118,7 @@ mach_decode_2( return(mach_read_from_2((const byte*) &n)); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in 3 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -135,7 +136,7 @@ mach_write_to_3( b[2] = (byte)(n); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 3 consecutive bytes. The most significant byte is at the lowest address. @return ulint integer */ @@ -152,7 +153,7 @@ mach_read_from_3( ); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in four consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -170,7 +171,7 @@ mach_write_to_4( b[3] = (byte)n; } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 4 consecutive bytes. The most significant byte is at the lowest address. @return ulint integer */ @@ -188,7 +189,7 @@ mach_read_from_4( ); } -/************************************************************* +/*********************************************************//** Writes a ulint in a compressed form where the first byte codes the length of the stored ulint. We look at the most significant bits of the byte. If the most significant bit is zero, it means 1-byte storage, @@ -224,7 +225,7 @@ mach_write_compressed( } } -/************************************************************* +/*********************************************************//** Returns the size of a ulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -246,7 +247,7 @@ mach_get_compressed_size( } } -/************************************************************* +/*********************************************************//** Reads a ulint in a compressed form. @return read integer (< 2^32) */ UNIV_INLINE @@ -275,7 +276,7 @@ mach_read_compressed( } } -/*********************************************************** +/*******************************************************//** The following function is used to store data in 8 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -291,7 +292,7 @@ mach_write_to_8( mach_write_to_4(b + 4, ut_dulint_get_low(n)); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in 8 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -307,7 +308,7 @@ mach_write_ull( mach_write_to_4(b + 4, (ulint) n); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 8 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -328,7 +329,7 @@ mach_read_from_8( return(ut_dulint_create(high, low)); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 8 consecutive bytes. The most significant byte is at the lowest address. @return 64-bit integer */ @@ -346,7 +347,7 @@ mach_read_ull( return(ull); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in 7 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -362,7 +363,7 @@ mach_write_to_7( mach_write_to_4(b + 3, ut_dulint_get_low(n)); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 7 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -383,7 +384,7 @@ mach_read_from_7( return(ut_dulint_create(high, low)); } -/*********************************************************** +/*******************************************************//** The following function is used to store data in 6 consecutive bytes. We store the most significant byte to the lowest address. */ UNIV_INLINE @@ -399,7 +400,7 @@ mach_write_to_6( mach_write_to_4(b + 2, ut_dulint_get_low(n)); } -/************************************************************ +/********************************************************//** The following function is used to fetch data from 6 consecutive bytes. The most significant byte is at the lowest address. @return dulint integer */ @@ -420,7 +421,7 @@ mach_read_from_6( return(ut_dulint_create(high, low)); } -/************************************************************* +/*********************************************************//** Writes a dulint in a compressed form (5..9 bytes). @return size in bytes */ UNIV_INLINE @@ -440,7 +441,7 @@ mach_dulint_write_compressed( return(size + 4); } -/************************************************************* +/*********************************************************//** Returns the size of a dulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -452,7 +453,7 @@ mach_dulint_get_compressed_size( return(4 + mach_get_compressed_size(ut_dulint_get_high(n))); } -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form. @return read dulint */ UNIV_INLINE @@ -476,7 +477,7 @@ mach_dulint_read_compressed( return(ut_dulint_create(high, low)); } -/************************************************************* +/*********************************************************//** Writes a dulint in a compressed form (1..11 bytes). @return size in bytes */ UNIV_INLINE @@ -502,7 +503,7 @@ mach_dulint_write_much_compressed( return(size); } -/************************************************************* +/*********************************************************//** Returns the size of a dulint when written in the compressed form. @return compressed size in bytes */ UNIV_INLINE @@ -519,7 +520,7 @@ mach_dulint_get_much_compressed_size( + mach_get_compressed_size(ut_dulint_get_low(n))); } -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form. @return read dulint */ UNIV_INLINE @@ -548,7 +549,7 @@ mach_dulint_read_much_compressed( return(ut_dulint_create(high, low)); } #ifndef UNIV_HOTBACKUP -/************************************************************* +/*********************************************************//** Reads a double. It is stored in a little-endian format. @return double read */ UNIV_INLINE @@ -574,7 +575,7 @@ mach_double_read( return(d); } -/************************************************************* +/*********************************************************//** Writes a double. It is stored in a little-endian format. */ UNIV_INLINE void @@ -597,7 +598,7 @@ mach_double_write( } } -/************************************************************* +/*********************************************************//** Reads a float. It is stored in a little-endian format. @return float read */ UNIV_INLINE @@ -623,7 +624,7 @@ mach_float_read( return(d); } -/************************************************************* +/*********************************************************//** Writes a float. It is stored in a little-endian format. */ UNIV_INLINE void @@ -646,7 +647,7 @@ mach_float_write( } } -/************************************************************* +/*********************************************************//** Reads a ulint stored in the little-endian format. @return unsigned long int */ UNIV_INLINE @@ -679,7 +680,7 @@ mach_read_from_n_little_endian( return(n); } -/************************************************************* +/*********************************************************//** Writes a ulint in the little-endian format. */ UNIV_INLINE void @@ -711,7 +712,7 @@ mach_write_to_n_little_endian( ut_ad(n == 0); } -/************************************************************* +/*********************************************************//** Reads a ulint stored in the little-endian format. @return unsigned long int */ UNIV_INLINE @@ -723,7 +724,7 @@ mach_read_from_2_little_endian( return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); } -/************************************************************* +/*********************************************************//** Writes a ulint in the little-endian format. */ UNIV_INLINE void @@ -742,7 +743,7 @@ mach_write_to_2_little_endian( *dest = (byte)(n & 0xFFUL); } -/************************************************************* +/*********************************************************//** Convert integral type from storage byte order (big endian) to host byte order. @return integer value */ diff --git a/include/mem0dbg.h b/include/mem0dbg.h index 61f0dff0e1d..a064af5c678 100644 --- a/include/mem0dbg.h +++ b/include/mem0dbg.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mem0dbg.h The memory management: the debug code. This is not a compilation module, but is included in mem0mem.* ! @@ -47,7 +48,7 @@ check fields at the both ends of the field. */ #endif #if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG -/******************************************************************* +/***************************************************************//** Checks a memory heap for consistency and prints the contents if requested. Outputs the sum of sizes of buffers given to the user (only in the debug version), the physical size of the heap and the number of @@ -76,7 +77,7 @@ mem_heap_validate_or_print( ulint* n_blocks); /*!< out: number of blocks in the heap, if a NULL pointer is passed as this argument, it is ignored */ -/****************************************************************** +/**************************************************************//** Validates the contents of a memory heap. @return TRUE if ok */ UNIV_INTERN @@ -86,7 +87,7 @@ mem_heap_validate( mem_heap_t* heap); /*!< in: memory heap */ #endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ #ifdef UNIV_DEBUG -/****************************************************************** +/**************************************************************//** Checks that an object is a memory heap (or a block of it) @return TRUE if ok */ UNIV_INTERN @@ -96,21 +97,21 @@ mem_heap_check( mem_heap_t* heap); /*!< in: memory heap */ #endif /* UNIV_DEBUG */ #ifdef UNIV_MEM_DEBUG -/********************************************************************* +/*****************************************************************//** TRUE if no memory is currently allocated. @return TRUE if no heaps exist */ UNIV_INTERN ibool mem_all_freed(void); /*===============*/ -/********************************************************************* +/*****************************************************************//** Validates the dynamic memory @return TRUE if error */ UNIV_INTERN ibool mem_validate_no_assert(void); /*=========================*/ -/**************************************************************** +/************************************************************//** Validates the dynamic memory @return TRUE if ok */ UNIV_INTERN @@ -118,7 +119,7 @@ ibool mem_validate(void); /*===============*/ #endif /* UNIV_MEM_DEBUG */ -/**************************************************************** +/************************************************************//** Tries to find neigboring memory allocation blocks and dumps to stderr the neighborhood of a given pointer. */ UNIV_INTERN @@ -126,14 +127,14 @@ void mem_analyze_corruption( /*===================*/ void* ptr); /*!< in: pointer to place of possible corruption */ -/********************************************************************* +/*****************************************************************//** Prints information of dynamic memory usage and currently allocated memory heaps or buffers. Can only be used in the debug version. */ UNIV_INTERN void mem_print_info(void); /*================*/ -/********************************************************************* +/*****************************************************************//** Prints information of dynamic memory usage and currently allocated memory heaps or buffers since the last ..._print_info or..._print_new_info. */ UNIV_INTERN diff --git a/include/mem0dbg.ic b/include/mem0dbg.ic index e086a5fac89..cb9245411dc 100644 --- a/include/mem0dbg.ic +++ b/include/mem0dbg.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/mem0dbg.ic The memory management: the debug code. This is not an independent compilation module but is included in mem0mem.*. @@ -29,7 +30,7 @@ extern mutex_t mem_hash_mutex; # endif /* !UNIV_HOTBACKUP */ extern ulint mem_current_allocated_memory; -/********************************************************************** +/******************************************************************//** Initializes an allocated memory field in the debug version. */ UNIV_INTERN void @@ -37,7 +38,7 @@ mem_field_init( /*===========*/ byte* buf, /*!< in: memory field */ ulint n); /*!< in: how many bytes the user requested */ -/********************************************************************** +/******************************************************************//** Erases an allocated memory field in the debug version. */ UNIV_INTERN void @@ -45,7 +46,7 @@ mem_field_erase( /*============*/ byte* buf, /*!< in: memory field */ ulint n); /*!< in: how many bytes the user requested */ -/******************************************************************* +/***************************************************************//** Initializes a buffer to a random combination of hex BA and BE. Used to initialize allocated memory. */ UNIV_INTERN @@ -54,7 +55,7 @@ mem_init_buf( /*=========*/ byte* buf, /*!< in: pointer to buffer */ ulint n); /*!< in: length of buffer */ -/******************************************************************* +/***************************************************************//** Initializes a buffer to a random combination of hex DE and AD. Used to erase freed memory. */ UNIV_INTERN @@ -62,8 +63,8 @@ void mem_erase_buf( /*==========*/ byte* buf, /*!< in: pointer to buffer */ - ulint n); /*!< in: length of buffer */ -/******************************************************************* + ulint n); /*!< in: length of buffer */ +/***************************************************************//** Inserts a created memory heap to the hash table of current allocated memory heaps. Initializes the hash table when first called. */ @@ -74,7 +75,7 @@ mem_hash_insert( mem_heap_t* heap, /*!< in: the created heap */ const char* file_name, /*!< in: file name of creation */ ulint line); /*!< in: line where created */ -/******************************************************************* +/***************************************************************//** Removes a memory heap (which is going to be freed by the caller) from the list of live memory heaps. Returns the size of the heap in terms of how much memory in bytes was allocated for the user of diff --git a/include/mem0mem.h b/include/mem0mem.h index afa9a2cc0bc..c54a46b576d 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mem0mem.h The memory management Created 6/9/1994 Heikki Tuuri @@ -74,26 +75,26 @@ allocations of small buffers. */ is the maximum size for a single allocated buffer: */ #define MEM_MAX_ALLOC_IN_BUF (UNIV_PAGE_SIZE - 200) -/********************************************************************** +/******************************************************************//** Initializes the memory system. */ UNIV_INTERN void mem_init( /*=====*/ ulint size); /*!< in: common pool size in bytes */ -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory heap creation. */ #define mem_heap_create(N) mem_heap_create_func(\ (N), MEM_HEAP_DYNAMIC, __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory heap creation. */ #define mem_heap_create_in_buffer(N) mem_heap_create_func(\ (N), MEM_HEAP_BUFFER, __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory heap creation. */ @@ -101,17 +102,18 @@ heap creation. */ (N), MEM_HEAP_BTR_SEARCH | MEM_HEAP_BUFFER,\ __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory heap freeing. */ #define mem_heap_free(heap) mem_heap_free_func(\ (heap), __FILE__, __LINE__) -/********************************************************************* +/*****************************************************************//** NOTE: Use the corresponding macros instead of this function. Creates a memory heap. For debugging purposes, takes also the file name and line as arguments. -@return own: memory heap, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return own: memory heap, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE mem_heap_t* mem_heap_create_func( @@ -123,7 +125,7 @@ mem_heap_create_func( ulint type, /*!< in: heap type */ const char* file_name, /*!< in: file name where created */ ulint line); /*!< in: line where created */ -/********************************************************************* +/*****************************************************************//** NOTE: Use the corresponding macro instead of this function. Frees the space occupied by a memory heap. In the debug version erases the heap memory blocks. */ @@ -134,7 +136,7 @@ mem_heap_free_func( mem_heap_t* heap, /*!< in, own: heap to be freed */ const char* file_name, /*!< in: file name where freed */ ulint line); /*!< in: line where freed */ -/******************************************************************* +/***************************************************************//** Allocates and zero-fills n bytes of memory from a memory heap. @return allocated, zero-filled storage */ UNIV_INLINE @@ -145,9 +147,10 @@ mem_heap_zalloc( ulint n); /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ -/******************************************************************* +/***************************************************************//** Allocates n bytes of memory from a memory heap. -@return allocated storage, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return allocated storage, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE void* mem_heap_alloc( @@ -156,7 +159,7 @@ mem_heap_alloc( ulint n); /*!< in: number of bytes; if the heap is allowed to grow into the buffer pool, this must be <= MEM_MAX_ALLOC_IN_BUF */ -/********************************************************************* +/*****************************************************************//** Returns a pointer to the heap top. @return pointer to the heap top */ UNIV_INLINE @@ -164,7 +167,7 @@ byte* mem_heap_get_heap_top( /*==================*/ mem_heap_t* heap); /*!< in: memory heap */ -/********************************************************************* +/*****************************************************************//** Frees the space in a memory heap exceeding the pointer given. The pointer must have been acquired from mem_heap_get_heap_top. The first memory block of the heap is not freed. */ @@ -174,14 +177,14 @@ mem_heap_free_heap_top( /*===================*/ mem_heap_t* heap, /*!< in: heap from which to free */ byte* old_top);/*!< in: pointer to old top of heap */ -/********************************************************************* +/*****************************************************************//** Empties a memory heap. The first memory block of the heap is not freed. */ UNIV_INLINE void mem_heap_empty( /*===========*/ mem_heap_t* heap); /*!< in: heap to empty */ -/********************************************************************* +/*****************************************************************//** Returns a pointer to the topmost element in a memory heap. The size of the element must be given. @return pointer to the topmost element */ @@ -191,7 +194,7 @@ mem_heap_get_top( /*=============*/ mem_heap_t* heap, /*!< in: memory heap */ ulint n); /*!< in: size of the topmost element */ -/********************************************************************* +/*****************************************************************//** Frees the topmost element in a memory heap. The size of the element must be given. */ UNIV_INLINE @@ -200,14 +203,14 @@ mem_heap_free_top( /*==============*/ mem_heap_t* heap, /*!< in: memory heap */ ulint n); /*!< in: size of the topmost element */ -/********************************************************************* +/*****************************************************************//** Returns the space in bytes occupied by a memory heap. */ UNIV_INLINE ulint mem_heap_get_size( /*==============*/ mem_heap_t* heap); /*!< in: heap */ -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory buffer allocation */ @@ -215,7 +218,7 @@ Macro for memory buffer allocation */ #define mem_alloc(N) mem_alloc_func((N), NULL, __FILE__, __LINE__) #define mem_alloc2(N,S) mem_alloc_func((N), (S), __FILE__, __LINE__) -/******************************************************************* +/***************************************************************//** NOTE: Use the corresponding macro instead of this function. Allocates a single buffer of memory from the dynamic memory of the C compiler. Is like malloc of C. The buffer must be freed @@ -231,12 +234,12 @@ mem_alloc_func( const char* file_name, /*!< in: file name where created */ ulint line); /*!< in: line where created */ -/****************************************************************** +/**************************************************************//** Use this macro instead of the corresponding function! Macro for memory buffer freeing */ #define mem_free(PTR) mem_free_func((PTR), __FILE__, __LINE__) -/******************************************************************* +/***************************************************************//** NOTE: Use the corresponding macro instead of this function. Frees a single buffer of storage from the dynamic memory of C compiler. Similar to free of C. */ @@ -248,7 +251,7 @@ mem_free_func( const char* file_name, /*!< in: file name where created */ ulint line); /*!< in: line where created */ -/************************************************************************** +/**********************************************************************//** Duplicates a NUL-terminated string. @return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE @@ -256,7 +259,7 @@ char* mem_strdup( /*=======*/ const char* str); /*!< in: string to be copied */ -/************************************************************************** +/**********************************************************************//** Makes a NUL-terminated copy of a nonterminated string. @return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE @@ -266,7 +269,7 @@ mem_strdupl( const char* str, /*!< in: string to be copied */ ulint len); /*!< in: length of str, in bytes */ -/************************************************************************** +/**********************************************************************//** Duplicates a NUL-terminated string, allocated from a memory heap. @return own: a copy of the string */ UNIV_INTERN @@ -275,7 +278,7 @@ mem_heap_strdup( /*============*/ mem_heap_t* heap, /*!< in: memory heap where string is allocated */ const char* str); /*!< in: string to be copied */ -/************************************************************************** +/**********************************************************************//** Makes a NUL-terminated copy of a nonterminated string, allocated from a memory heap. @return own: a copy of the string */ @@ -287,7 +290,7 @@ mem_heap_strdupl( const char* str, /*!< in: string to be copied */ ulint len); /*!< in: length of str, in bytes */ -/************************************************************************** +/**********************************************************************//** Concatenate two strings and return the result, using a memory heap. @return own: the result */ UNIV_INTERN @@ -298,7 +301,7 @@ mem_heap_strcat( const char* s1, /*!< in: string 1 */ const char* s2); /*!< in: string 2 */ -/************************************************************************** +/**********************************************************************//** Duplicate a block of data, allocated from a memory heap. @return own: a copy of the data */ UNIV_INTERN @@ -309,7 +312,7 @@ mem_heap_dup( const void* data, /*!< in: data to be copied */ ulint len); /*!< in: length of data, in bytes */ -/************************************************************************** +/**********************************************************************//** Concatenate two memory blocks and return the result, using a memory heap. @return own: the result */ UNIV_INTERN @@ -322,7 +325,7 @@ mem_heap_cat( const void* b2, /*!< in: block 2 */ ulint len2); /*!< in: length of b2, in bytes */ -/******************************************************************** +/****************************************************************//** A simple (s)printf replacement that dynamically allocates the space for the formatted string from the given heap. This supports a very limited set of the printf syntax: types 's' and 'u' and length modifier 'l' (which is @@ -337,7 +340,7 @@ mem_heap_printf( ...) __attribute__ ((format (printf, 2, 3))); #ifdef MEM_PERIODIC_CHECK -/********************************************************************** +/******************************************************************//** Goes through the list of all allocated mem blocks, checks their magic numbers, and reports possible corruption. */ UNIV_INTERN @@ -353,7 +356,7 @@ mem_validate_all_blocks(void); struct mem_block_info_struct { ulint magic_n;/* magic number for debugging */ char file_name[8];/* file name where the mem heap was created */ - ulint line; /* line number where the mem heap was created */ + ulint line; /*!< line number where the mem heap was created */ UT_LIST_BASE_NODE_T(mem_block_t) base; /* In the first block in the the list this is the base node of the list of blocks; in subsequent blocks this is undefined */ @@ -361,15 +364,15 @@ struct mem_block_info_struct { and prev in the list. The first block allocated to the heap is also the first block in this list, though it also contains the base node of the list. */ - ulint len; /* physical length of this block in bytes */ - ulint total_size; /* physical length in bytes of all blocks + ulint len; /*!< physical length of this block in bytes */ + ulint total_size; /*!< physical length in bytes of all blocks in the heap. This is defined only in the base node and is set to ULINT_UNDEFINED in others. */ - ulint type; /* type of heap: MEM_HEAP_DYNAMIC, or + ulint type; /*!< type of heap: MEM_HEAP_DYNAMIC, or MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH */ - ulint free; /* offset in bytes of the first free position for + ulint free; /*!< offset in bytes of the first free position for user data in the block */ - ulint start; /* the value of the struct field 'free' at the + ulint start; /*!< the value of the struct field 'free' at the creation of the block */ #ifndef UNIV_HOTBACKUP void* free_block; diff --git a/include/mem0mem.ic b/include/mem0mem.ic index 0089f2a24f9..cb681c3f724 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/mem0mem.ic The memory management Created 6/8/1994 Heikki Tuuri @@ -27,9 +28,10 @@ Created 6/8/1994 Heikki Tuuri # include "mem0pool.h" #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Creates a memory heap block where data can be allocated. -@return own: memory heap block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return own: memory heap block, NULL if did not succeed (only possible +for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_create_block( @@ -41,7 +43,7 @@ mem_heap_create_block( MEM_HEAP_BUFFER */ const char* file_name,/*!< in: file name where created */ ulint line); /*!< in: line where created */ -/********************************************************************** +/******************************************************************//** Frees a block from a memory heap. */ UNIV_INTERN void @@ -50,7 +52,7 @@ mem_heap_block_free( mem_heap_t* heap, /*!< in: heap */ mem_block_t* block); /*!< in: block to free */ #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Frees the free_block field from a memory heap. */ UNIV_INTERN void @@ -58,9 +60,10 @@ mem_heap_free_block_free( /*=====================*/ mem_heap_t* heap); /*!< in: heap */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Adds a new block to a memory heap. -@return created block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return created block, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_add_block( @@ -134,7 +137,7 @@ mem_block_get_start(mem_block_t* block) return(block->start); } -/******************************************************************* +/***************************************************************//** Allocates and zero-fills n bytes of memory from a memory heap. @return allocated, zero-filled storage */ UNIV_INLINE @@ -151,9 +154,10 @@ mem_heap_zalloc( return(memset(mem_heap_alloc(heap, n), 0, n)); } -/******************************************************************* +/***************************************************************//** Allocates n bytes of memory from a memory heap. -@return allocated storage, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return allocated storage, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE void* mem_heap_alloc( @@ -213,7 +217,7 @@ mem_heap_alloc( return(buf); } -/********************************************************************* +/*****************************************************************//** Returns a pointer to the heap top. @return pointer to the heap top */ UNIV_INLINE @@ -234,7 +238,7 @@ mem_heap_get_heap_top( return(buf); } -/********************************************************************* +/*****************************************************************//** Frees the space in a memory heap exceeding the pointer given. The pointer must have been acquired from mem_heap_get_heap_top. The first memory block of the heap is not freed. */ @@ -318,7 +322,7 @@ mem_heap_free_heap_top( } } -/********************************************************************* +/*****************************************************************//** Empties a memory heap. The first memory block of the heap is not freed. */ UNIV_INLINE void @@ -334,7 +338,7 @@ mem_heap_empty( #endif /* !UNIV_HOTBACKUP */ } -/********************************************************************* +/*****************************************************************//** Returns a pointer to the topmost element in a memory heap. The size of the element must be given. @return pointer to the topmost element */ @@ -369,7 +373,7 @@ mem_heap_get_top( return(buf); } -/********************************************************************* +/*****************************************************************//** Frees the topmost element in a memory heap. The size of the element must be given. */ UNIV_INLINE @@ -412,11 +416,12 @@ mem_heap_free_top( } } -/********************************************************************* +/*****************************************************************//** NOTE: Use the corresponding macros instead of this function. Creates a memory heap. For debugging purposes, takes also the file name and line as argument. -@return own: memory heap, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return own: memory heap, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INLINE mem_heap_t* mem_heap_create_func( @@ -456,7 +461,7 @@ mem_heap_create_func( return(block); } -/********************************************************************* +/*****************************************************************//** NOTE: Use the corresponding macro instead of this function. Frees the space occupied by a memory heap. In the debug version erases the heap memory blocks. */ @@ -502,7 +507,7 @@ mem_heap_free_func( } } -/******************************************************************* +/***************************************************************//** NOTE: Use the corresponding macro instead of this function. Allocates a single buffer of memory from the dynamic memory of the C compiler. Is like malloc of C. The buffer must be freed @@ -547,7 +552,7 @@ mem_alloc_func( return(buf); } -/******************************************************************* +/***************************************************************//** NOTE: Use the corresponding macro instead of this function. Frees a single buffer of storage from the dynamic memory of the C compiler. Similar to the free of C. */ @@ -566,7 +571,7 @@ mem_free_func( mem_heap_free_func(heap, file_name, line); } -/********************************************************************* +/*****************************************************************//** Returns the space in bytes occupied by a memory heap. */ UNIV_INLINE ulint @@ -589,7 +594,7 @@ mem_heap_get_size( return(size); } -/************************************************************************** +/**********************************************************************//** Duplicates a NUL-terminated string. @return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE @@ -602,7 +607,7 @@ mem_strdup( return((char*) memcpy(mem_alloc(len), str, len)); } -/************************************************************************** +/**********************************************************************//** Makes a NUL-terminated copy of a nonterminated string. @return own: a copy of the string, must be deallocated with mem_free */ UNIV_INLINE @@ -617,7 +622,7 @@ mem_strdupl( return((char*) memcpy(s, str, len)); } -/************************************************************************** +/**********************************************************************//** Makes a NUL-terminated copy of a nonterminated string, allocated from a memory heap. @return own: a copy of the string */ diff --git a/include/mem0pool.h b/include/mem0pool.h index 57112f015e1..18f988241d6 100644 --- a/include/mem0pool.h +++ b/include/mem0pool.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mem0pool.h The lowest-level memory management Created 6/9/1994 Heikki Tuuri @@ -29,28 +30,30 @@ Created 6/9/1994 Heikki Tuuri #include "os0file.h" #include "ut0lst.h" +/** Memory area header */ typedef struct mem_area_struct mem_area_t; +/** Memory pool */ typedef struct mem_pool_struct mem_pool_t; -/* The common memory pool */ +/** The common memory pool */ extern mem_pool_t* mem_comm_pool; -/* Memory area header */ +/** Memory area header */ struct mem_area_struct{ - ulint size_and_free; /* memory area size is obtained by + ulint size_and_free; /*!< memory area size is obtained by anding with ~MEM_AREA_FREE; area in a free list if ANDing with MEM_AREA_FREE results in nonzero */ UT_LIST_NODE_T(mem_area_t) - free_list; /* free list node */ + free_list; /*!< free list node */ }; -/* Each memory area takes this many extra bytes for control information */ +/** Each memory area takes this many extra bytes for control information */ #define MEM_AREA_EXTRA_SIZE (ut_calc_align(sizeof(struct mem_area_struct),\ UNIV_MEM_ALIGNMENT)) -/************************************************************************ +/********************************************************************//** Creates a memory pool. @return memory pool */ UNIV_INTERN @@ -58,7 +61,7 @@ mem_pool_t* mem_pool_create( /*============*/ ulint size); /*!< in: pool size in bytes */ -/************************************************************************ +/********************************************************************//** Allocates memory from a pool. NOTE: This low-level function should only be used in mem0mem.*! @return own: allocated memory buffer */ @@ -72,7 +75,7 @@ mem_area_alloc( out: allocated size in bytes (greater than or equal to the requested size) */ mem_pool_t* pool); /*!< in: memory pool */ -/************************************************************************ +/********************************************************************//** Frees memory to a pool. */ UNIV_INTERN void @@ -81,7 +84,7 @@ mem_area_free( void* ptr, /*!< in, own: pointer to allocated memory buffer */ mem_pool_t* pool); /*!< in: memory pool */ -/************************************************************************ +/********************************************************************//** Returns the amount of reserved memory. @return reserved mmeory in bytes */ UNIV_INTERN @@ -89,19 +92,19 @@ ulint mem_pool_get_reserved( /*==================*/ mem_pool_t* pool); /*!< in: memory pool */ -/************************************************************************ +/********************************************************************//** Reserves the mem pool mutex. */ UNIV_INTERN void mem_pool_mutex_enter(void); /*======================*/ -/************************************************************************ +/********************************************************************//** Releases the mem pool mutex. */ UNIV_INTERN void mem_pool_mutex_exit(void); /*=====================*/ -/************************************************************************ +/********************************************************************//** Validates a memory pool. @return TRUE if ok */ UNIV_INTERN @@ -109,7 +112,7 @@ ibool mem_pool_validate( /*==============*/ mem_pool_t* pool); /*!< in: memory pool */ -/************************************************************************ +/********************************************************************//** Prints info of a memory pool. */ UNIV_INTERN void diff --git a/include/mem0pool.ic b/include/mem0pool.ic index 4cc65e754ce..b891dd6dea0 100644 --- a/include/mem0pool.ic +++ b/include/mem0pool.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/mem0pool.ic The lowest-level memory management Created 6/8/1994 Heikki Tuuri diff --git a/include/mtr0log.h b/include/mtr0log.h index 7ef2b8961fd..0ed89d0a0a0 100644 --- a/include/mtr0log.h +++ b/include/mtr0log.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mtr0log.h Mini-transaction logging routines Created 12/7/1995 Heikki Tuuri @@ -30,7 +31,7 @@ Created 12/7/1995 Heikki Tuuri #include "dict0types.h" #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Writes 1 - 4 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -41,7 +42,7 @@ mlog_write_ulint( ulint val, /*!< in: value to write */ byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Writes 8 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -51,7 +52,7 @@ mlog_write_dulint( byte* ptr, /*!< in: pointer where to write */ dulint val, /*!< in: value to write */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Writes a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -62,7 +63,7 @@ mlog_write_string( const byte* str, /*!< in: string to write */ ulint len, /*!< in: string length */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Logs a write of a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -72,7 +73,7 @@ mlog_log_string( byte* ptr, /*!< in: pointer written to */ ulint len, /*!< in: string length */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Writes initial part of a log record consisting of one-byte item type and four-byte space and page numbers. */ UNIV_INTERN @@ -84,7 +85,7 @@ mlog_write_initial_log_record( modification is made */ byte type, /*!< in: log item type: MLOG_1BYTE, ... */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Writes a log record about an .ibd file create/delete/rename. @return new value of log_ptr */ UNIV_INLINE @@ -97,7 +98,7 @@ mlog_write_initial_log_record_for_file_op( ulint page_no,/*!< in: page number (not relevant currently) */ byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************ +/********************************************************//** Catenates 1 - 4 bytes to the mtr log. */ UNIV_INLINE void @@ -106,7 +107,7 @@ mlog_catenate_ulint( mtr_t* mtr, /*!< in: mtr */ ulint val, /*!< in: value to write */ ulint type); /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ -/************************************************************ +/********************************************************//** Catenates n bytes to the mtr log. */ UNIV_INTERN void @@ -115,7 +116,7 @@ mlog_catenate_string( mtr_t* mtr, /*!< in: mtr */ const byte* str, /*!< in: string to write */ ulint len); /*!< in: string length */ -/************************************************************ +/********************************************************//** Catenates a compressed ulint to mlog. */ UNIV_INLINE void @@ -123,7 +124,7 @@ mlog_catenate_ulint_compressed( /*===========================*/ mtr_t* mtr, /*!< in: mtr */ ulint val); /*!< in: value to write */ -/************************************************************ +/********************************************************//** Catenates a compressed dulint to mlog. */ UNIV_INLINE void @@ -131,7 +132,7 @@ mlog_catenate_dulint_compressed( /*============================*/ mtr_t* mtr, /*!< in: mtr */ dulint val); /*!< in: value to write */ -/************************************************************ +/********************************************************//** Opens a buffer to mlog. It must be closed with mlog_close. @return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INLINE @@ -141,7 +142,7 @@ mlog_open( mtr_t* mtr, /*!< in: mtr */ ulint size); /*!< in: buffer size in bytes; MUST be smaller than DYN_ARRAY_DATA_SIZE! */ -/************************************************************ +/********************************************************//** Closes a buffer opened to mlog. */ UNIV_INLINE void @@ -149,7 +150,7 @@ mlog_close( /*=======*/ mtr_t* mtr, /*!< in: mtr */ byte* ptr); /*!< in: buffer space from ptr up was not used */ -/************************************************************ +/********************************************************//** Writes the initial part of a log record (3..11 bytes). If the implementation of this function is changed, all size parameters to mlog_open() should be adjusted accordingly! @@ -169,7 +170,7 @@ mlog_write_initial_log_record_fast( # define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) # define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Parses an initial log record written by mlog_write_initial_log_record. @return parsed record end, NULL if not a complete record */ UNIV_INTERN @@ -181,7 +182,7 @@ mlog_parse_initial_log_record( byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ ulint* space, /*!< out: space id */ ulint* page_no);/*!< out: page number */ -/************************************************************ +/********************************************************//** Parses a log record written by mlog_write_ulint or mlog_write_dulint. @return parsed record end, NULL if not a complete record */ UNIV_INTERN @@ -193,7 +194,7 @@ mlog_parse_nbytes( byte* end_ptr,/*!< in: buffer end */ byte* page, /*!< in: page where to apply the log record, or NULL */ void* page_zip);/*!< in/out: compressed page, or NULL */ -/************************************************************ +/********************************************************//** Parses a log record written by mlog_write_string. @return parsed record end, NULL if not a complete record */ UNIV_INTERN @@ -206,7 +207,7 @@ mlog_parse_string( void* page_zip);/*!< in/out: compressed page, or NULL */ #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Opens a buffer for mlog, writes the initial log record and, if needed, the field lengths of an index. Reserves space for further log entries. The log entry must be closed with @@ -224,7 +225,7 @@ mlog_open_and_write_index( (if 0, calls mlog_close() and returns NULL) */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Parses a log record written by mlog_open_and_write_index. @return parsed record end, NULL if not a complete record */ UNIV_INTERN diff --git a/include/mtr0log.ic b/include/mtr0log.ic index e6615bf2b15..646b329fa1b 100644 --- a/include/mtr0log.ic +++ b/include/mtr0log.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mtr0log.ic Mini-transaction logging routines Created 12/7/1995 Heikki Tuuri @@ -27,7 +28,7 @@ Created 12/7/1995 Heikki Tuuri #include "ut0lst.h" #include "buf0buf.h" -/************************************************************ +/********************************************************//** Opens a buffer to mlog. It must be closed with mlog_close. @return buffer, NULL if log mode MTR_LOG_NONE */ UNIV_INLINE @@ -52,7 +53,7 @@ mlog_open( return(dyn_array_open(mlog, size)); } -/************************************************************ +/********************************************************//** Closes a buffer opened to mlog. */ UNIV_INLINE void @@ -70,7 +71,7 @@ mlog_close( dyn_array_close(mlog, ptr); } -/************************************************************ +/********************************************************//** Catenates 1 - 4 bytes to the mtr log. The value is not compressed. */ UNIV_INLINE void @@ -114,7 +115,7 @@ mlog_catenate_ulint( } } -/************************************************************ +/********************************************************//** Catenates a compressed ulint to mlog. */ UNIV_INLINE void @@ -138,7 +139,7 @@ mlog_catenate_ulint_compressed( mlog_close(mtr, log_ptr); } -/************************************************************ +/********************************************************//** Catenates a compressed dulint to mlog. */ UNIV_INLINE void @@ -162,7 +163,7 @@ mlog_catenate_dulint_compressed( mlog_close(mtr, log_ptr); } -/************************************************************ +/********************************************************//** Writes the initial part of a log record (3..11 bytes). If the implementation of this function is changed, all size parameters to mlog_open() should be adjusted accordingly! @@ -219,7 +220,7 @@ mlog_write_initial_log_record_fast( return(log_ptr); } -/************************************************************ +/********************************************************//** Writes a log record about an .ibd file create/delete/rename. @return new value of log_ptr */ UNIV_INLINE diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index ca5e99b751f..1e9b78c3356 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mtr0mtr.h Mini-transaction buffer Created 11/26/1995 Heikki Tuuri @@ -166,7 +167,7 @@ parameter was initially written as 0. */ #define MLOG_FILE_FLAG_TEMP 1 /* identifies TEMPORARY TABLE in MLOG_FILE_CREATE, MLOG_FILE_CREATE2 */ -/******************************************************************* +/***************************************************************//** Starts a mini-transaction and creates a mini-transaction handle and buffer in the memory buffer given by the caller. @return mtr buffer which also acts as the mtr handle */ @@ -175,14 +176,14 @@ mtr_t* mtr_start( /*======*/ mtr_t* mtr); /*!< in: memory buffer for the mtr buffer */ -/******************************************************************* +/***************************************************************//** Commits a mini-transaction. */ UNIV_INTERN void mtr_commit( /*=======*/ mtr_t* mtr); /*!< in: mini-transaction */ -/************************************************************** +/**********************************************************//** Sets and returns a savepoint in mtr. @return savepoint */ UNIV_INLINE @@ -190,7 +191,7 @@ ulint mtr_set_savepoint( /*==============*/ mtr_t* mtr); /*!< in: mtr */ -/************************************************************** +/**********************************************************//** Releases the latches stored in an mtr memo down to a savepoint. NOTE! The mtr must not have made changes to buffer pages after the savepoint, as these can be handled only by mtr_commit. */ @@ -201,7 +202,7 @@ mtr_rollback_to_savepoint( mtr_t* mtr, /*!< in: mtr */ ulint savepoint); /*!< in: savepoint */ #ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Releases the (index tree) s-latch stored in an mtr memo after a savepoint. */ UNIV_INLINE @@ -214,7 +215,7 @@ mtr_release_s_latch_at_savepoint( #else /* !UNIV_HOTBACKUP */ # define mtr_release_s_latch_at_savepoint(mtr,savepoint,lock) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Gets the logging mode of a mini-transaction. @return logging mode: MTR_LOG_NONE, ... */ UNIV_INLINE @@ -222,7 +223,7 @@ ulint mtr_get_log_mode( /*=============*/ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************* +/***************************************************************//** Changes the logging mode of a mini-transaction. @return old mode */ UNIV_INLINE @@ -231,7 +232,7 @@ mtr_set_log_mode( /*=============*/ mtr_t* mtr, /*!< in: mtr */ ulint mode); /*!< in: logging mode: MTR_LOG_NONE, ... */ -/************************************************************ +/********************************************************//** Reads 1 - 4 bytes from a file page buffered in the buffer pool. @return value read */ UNIV_INTERN @@ -241,7 +242,7 @@ mtr_read_ulint( const byte* ptr, /*!< in: pointer from where to read */ ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************ +/********************************************************//** Reads 8 bytes from a file page buffered in the buffer pool. @return value read */ UNIV_INTERN @@ -251,15 +252,15 @@ mtr_read_dulint( const byte* ptr, /*!< in: pointer from where to read */ mtr_t* mtr); /*!< in: mini-transaction handle */ #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** This macro locks an rw-lock in s-mode. */ #define mtr_s_lock(B, MTR) mtr_s_lock_func((B), __FILE__, __LINE__,\ (MTR)) -/************************************************************************* +/*********************************************************************//** This macro locks an rw-lock in x-mode. */ #define mtr_x_lock(B, MTR) mtr_x_lock_func((B), __FILE__, __LINE__,\ (MTR)) -/************************************************************************* +/*********************************************************************//** NOTE! Use the macro above! Locks a lock in s-mode. */ UNIV_INLINE @@ -270,7 +271,7 @@ mtr_s_lock_func( const char* file, /*!< in: file name */ ulint line, /*!< in: line number */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************* +/*********************************************************************//** NOTE! Use the macro above! Locks a lock in x-mode. */ UNIV_INLINE @@ -283,7 +284,7 @@ mtr_x_lock_func( mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************* +/***************************************************//** Releases an object in the memo stack. */ UNIV_INTERN void @@ -294,7 +295,7 @@ mtr_memo_release( ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ #ifdef UNIV_DEBUG # ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Checks if memo contains the given item. @return TRUE if contains */ UNIV_INLINE @@ -305,7 +306,7 @@ mtr_memo_contains( const void* object, /*!< in: object to search */ ulint type); /*!< in: type of object */ -/************************************************************** +/**********************************************************//** Checks if memo contains the given page. @return TRUE if contains */ UNIV_INTERN @@ -315,7 +316,7 @@ mtr_memo_contains_page( mtr_t* mtr, /*!< in: mtr */ const byte* ptr, /*!< in: pointer to buffer frame */ ulint type); /*!< in: type of object */ -/************************************************************* +/*********************************************************//** Prints info of an mtr handle. */ UNIV_INTERN void @@ -331,7 +332,7 @@ mtr_print( #define MTR_BUF_MEMO_SIZE 200 /* number of slots in memo */ -/******************************************************************* +/***************************************************************//** Returns the log object of a mini-transaction buffer. @return log */ UNIV_INLINE @@ -339,7 +340,7 @@ dyn_array_t* mtr_get_log( /*========*/ mtr_t* mtr); /*!< in: mini-transaction */ -/******************************************************* +/***************************************************//** Pushes an object to an mtr memo stack. */ UNIV_INLINE void @@ -353,17 +354,17 @@ mtr_memo_push( /* Type definition of a mini-transaction memo stack slot. */ typedef struct mtr_memo_slot_struct mtr_memo_slot_t; struct mtr_memo_slot_struct{ - ulint type; /* type of the stored object (MTR_MEMO_S_LOCK, ...) */ - void* object; /* pointer to the object */ + ulint type; /*!< type of the stored object (MTR_MEMO_S_LOCK, ...) */ + void* object; /*!< pointer to the object */ }; /* Mini-transaction handle and buffer */ struct mtr_struct{ #ifdef UNIV_DEBUG - ulint state; /* MTR_ACTIVE, MTR_COMMITTING, MTR_COMMITTED */ + ulint state; /*!< MTR_ACTIVE, MTR_COMMITTING, MTR_COMMITTED */ #endif - dyn_array_t memo; /* memo stack for locks etc. */ - dyn_array_t log; /* mini-transaction log */ + dyn_array_t memo; /*!< memo stack for locks etc. */ + dyn_array_t log; /*!< mini-transaction log */ ibool modifications; /* TRUE if the mtr made modifications to buffer pool pages */ diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index ae02ef07e1c..310c7c4117f 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mtr0mtr.ic Mini-transaction buffer Created 11/26/1995 Heikki Tuuri @@ -28,7 +29,7 @@ Created 11/26/1995 Heikki Tuuri #endif /* !UNIV_HOTBACKUP */ #include "mach0data.h" -/******************************************************************* +/***************************************************************//** Starts a mini-transaction and creates a mini-transaction handle and a buffer in the memory buffer given by the caller. @return mtr buffer which also acts as the mtr handle */ @@ -51,7 +52,7 @@ mtr_start( return(mtr); } -/******************************************************* +/***************************************************//** Pushes an object to an mtr memo stack. */ UNIV_INLINE void @@ -78,7 +79,7 @@ mtr_memo_push( slot->type = type; } -/************************************************************** +/**********************************************************//** Sets and returns a savepoint in mtr. @return savepoint */ UNIV_INLINE @@ -98,7 +99,7 @@ mtr_set_savepoint( } #ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Releases the (index tree) s-latch stored in an mtr memo after a savepoint. */ UNIV_INLINE @@ -131,7 +132,7 @@ mtr_release_s_latch_at_savepoint( } # ifdef UNIV_DEBUG -/************************************************************** +/**********************************************************//** Checks if memo contains the given item. @return TRUE if contains */ UNIV_INLINE @@ -169,7 +170,7 @@ mtr_memo_contains( # endif /* UNIV_DEBUG */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Returns the log object of a mini-transaction buffer. @return log */ UNIV_INLINE @@ -184,7 +185,7 @@ mtr_get_log( return(&(mtr->log)); } -/******************************************************************* +/***************************************************************//** Gets the logging mode of a mini-transaction. @return logging mode: MTR_LOG_NONE, ... */ UNIV_INLINE @@ -200,7 +201,7 @@ mtr_get_log_mode( return(mtr->log_mode); } -/******************************************************************* +/***************************************************************//** Changes the logging mode of a mini-transaction. @return old mode */ UNIV_INLINE @@ -231,7 +232,7 @@ mtr_set_log_mode( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Locks a lock in s-mode. */ UNIV_INLINE void @@ -250,7 +251,7 @@ mtr_s_lock_func( mtr_memo_push(mtr, lock, MTR_MEMO_S_LOCK); } -/************************************************************************* +/*********************************************************************//** Locks a lock in x-mode. */ UNIV_INLINE void diff --git a/include/mtr0types.h b/include/mtr0types.h index 23634c98827..83a7aaf3839 100644 --- a/include/mtr0types.h +++ b/include/mtr0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mtr0types.h Mini-transaction buffer global types Created 11/26/1995 Heikki Tuuri diff --git a/include/mysql_addons.h b/include/mysql_addons.h index 2e8c87f5962..17660c18710 100644 --- a/include/mysql_addons.h +++ b/include/mysql_addons.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/mysql_addons.h This file contains functions that need to be added to MySQL code but have not been added yet. diff --git a/include/os0file.h b/include/os0file.h index 4e67cb1b6d0..baa4c6c7344 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0file.h The interface to the operating system file io Created 10/21/1995 Heikki Tuuri @@ -33,43 +34,57 @@ Created 10/21/1995 Heikki Tuuri #include #endif +/** File node of a tablespace or the log data space */ typedef struct fil_node_struct fil_node_t; #ifdef UNIV_DO_FLUSH extern ibool os_do_not_call_flush_at_each_write; #endif /* UNIV_DO_FLUSH */ extern ibool os_has_said_disk_full; +/** Flag: enable debug printout for asynchronous i/o */ extern ibool os_aio_print_debug; +/** Number of pending os_file_pread() operations */ extern ulint os_file_n_pending_preads; +/** Number of pending os_file_pwrite() operations */ extern ulint os_file_n_pending_pwrites; +/** Number of pending read operations */ extern ulint os_n_pending_reads; +/** Number of pending write operations */ extern ulint os_n_pending_writes; #ifdef __WIN__ -/* We define always WIN_ASYNC_IO, and check at run-time whether +/** We define always WIN_ASYNC_IO, and check at run-time whether the OS actually supports it: Win 95 does not, NT does. */ #define WIN_ASYNC_IO +/** Use unbuffered I/O */ #define UNIV_NON_BUFFERED_IO #endif #ifdef __WIN__ +/** File handle */ #define os_file_t HANDLE +/** Convert a C file descriptor to a native file handle +@param fd file descriptor +@return native file handle */ #define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) #else +/** File handle */ typedef int os_file_t; +/** Convert a C file descriptor to a native file handle +@param fd file descriptor +@return native file handle */ #define OS_FILE_FROM_FD(fd) fd #endif +/** Umask for creating files */ extern ulint os_innodb_umask; -#define OS_FILE_SECTOR_SIZE 512 - -/* The next value should be smaller or equal to the smallest sector size used +/** The next value should be smaller or equal to the smallest sector size used on any disk. A log block is required to be a portion of disk which is written so that if the start and the end of a block get written to disk, then the whole block gets written. This should be true even in most cases of a crash: @@ -78,7 +93,7 @@ log. */ #define OS_FILE_LOG_BLOCK_SIZE 512 -/* Options for file_create */ +/** Options for file_create @{ */ #define OS_FILE_OPEN 51 #define OS_FILE_CREATE 52 #define OS_FILE_OVERWRITE 53 @@ -94,12 +109,14 @@ log. */ /* Options for file_create */ #define OS_FILE_AIO 61 #define OS_FILE_NORMAL 62 +/* @} */ -/* Types for file create */ +/** Types for file create @{ */ #define OS_DATA_FILE 100 #define OS_LOG_FILE 101 +/* @} */ -/* Error codes from os_file_get_last_error */ +/** Error codes from os_file_get_last_error @{ */ #define OS_FILE_NOT_FOUND 71 #define OS_FILE_DISK_FULL 72 #define OS_FILE_ALREADY_EXISTS 73 @@ -109,23 +126,25 @@ log. */ #define OS_FILE_SHARING_VIOLATION 76 #define OS_FILE_ERROR_NOT_SPECIFIED 77 #define OS_FILE_AIO_INTERRUPTED 78 +/* @} */ -/* Types for aio operations */ +/** Types for aio operations @{ */ #define OS_FILE_READ 10 #define OS_FILE_WRITE 11 #define OS_FILE_LOG 256 /* This can be ORed to type */ +/* @} */ -#define OS_AIO_N_PENDING_IOS_PER_THREAD 32 /* Win NT does not allow more +#define OS_AIO_N_PENDING_IOS_PER_THREAD 32 /*!< Win NT does not allow more than 64 */ -/* Modes for aio operations */ -#define OS_AIO_NORMAL 21 /* Normal asynchronous i/o not for ibuf +/** Modes for aio operations @{ */ +#define OS_AIO_NORMAL 21 /*!< Normal asynchronous i/o not for ibuf pages or ibuf bitmap pages */ -#define OS_AIO_IBUF 22 /* Asynchronous i/o for ibuf pages or ibuf +#define OS_AIO_IBUF 22 /*!< Asynchronous i/o for ibuf pages or ibuf bitmap pages */ -#define OS_AIO_LOG 23 /* Asynchronous i/o for the log */ -#define OS_AIO_SYNC 24 /* Asynchronous i/o where the calling thread +#define OS_AIO_LOG 23 /*!< Asynchronous i/o for the log */ +#define OS_AIO_SYNC 24 /*!< Asynchronous i/o where the calling thread will itself wait for the i/o to complete, doing also the job of the i/o-handler thread; can be used for any pages, ibuf or non-ibuf. @@ -135,16 +154,18 @@ log. */ the file seek and read or write, causing a bottleneck for parallelism. */ -#define OS_AIO_SIMULATED_WAKE_LATER 512 /* This can be ORed to mode +#define OS_AIO_SIMULATED_WAKE_LATER 512 /*!< This can be ORed to mode in the call of os_aio(...), if the caller wants to post several i/o requests in a batch, and only after that wake the i/o-handler thread; this has effect only in simulated aio */ -#define OS_WIN31 1 -#define OS_WIN95 2 -#define OS_WINNT 3 -#define OS_WIN2000 4 +/* @} */ + +#define OS_WIN31 1 /*!< Microsoft Windows 3.x */ +#define OS_WIN95 2 /*!< Microsoft Windows 95 */ +#define OS_WINNT 3 /*!< Microsoft Windows NT 3.x */ +#define OS_WIN2000 4 /*!< Microsoft Windows 2000 */ extern ulint os_n_file_reads; extern ulint os_n_file_writes; @@ -168,22 +189,22 @@ bigger than 4000 bytes */ /* Struct used in fetching information of a file in a directory */ struct os_file_stat_struct{ - char name[OS_FILE_MAX_PATH]; /* path to a file */ - os_file_type_t type; /* file type */ - ib_int64_t size; /* file size */ - time_t ctime; /* creation time */ - time_t mtime; /* modification time */ - time_t atime; /* access time */ + char name[OS_FILE_MAX_PATH]; /*!< path to a file */ + os_file_type_t type; /*!< file type */ + ib_int64_t size; /*!< file size */ + time_t ctime; /*!< creation time */ + time_t mtime; /*!< modification time */ + time_t atime; /*!< access time */ }; typedef struct os_file_stat_struct os_file_stat_t; #ifdef __WIN__ -typedef HANDLE os_file_dir_t; /* directory stream */ +typedef HANDLE os_file_dir_t; /*!< directory stream */ #else -typedef DIR* os_file_dir_t; /* directory stream */ +typedef DIR* os_file_dir_t; /*!< directory stream */ #endif -/*************************************************************************** +/***********************************************************************//** Gets the operating system version. Currently works only on Windows. @return OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ UNIV_INTERN @@ -191,13 +212,13 @@ ulint os_get_os_version(void); /*===================*/ #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Creates the seek mutexes used in positioned reads and writes. */ UNIV_INTERN void os_io_init_simple(void); /*===================*/ -/*************************************************************************** +/***********************************************************************//** Creates a temporary file. This function is like tmpfile(3), but the temporary file is created in the MySQL temporary directory. On Netware, this function is like tmpfile(3), because the C run-time @@ -208,7 +229,7 @@ FILE* os_file_create_tmpfile(void); /*========================*/ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** The os_file_opendir() function opens a directory stream corresponding to the directory named by the dirname argument. The directory stream is positioned at the first entry. In both Unix and Windows we automatically skip the '.' @@ -225,7 +246,7 @@ os_file_opendir( open symlinks then we do not wish a fatal error if it happens not to be a directory */ -/*************************************************************************** +/***********************************************************************//** Closes a directory stream. @return 0 if success, -1 if failure */ UNIV_INTERN @@ -233,7 +254,7 @@ int os_file_closedir( /*=============*/ os_file_dir_t dir); /*!< in: directory stream */ -/*************************************************************************** +/***********************************************************************//** This function returns information of the next file in the directory. We jump over the '.' and '..' entries in the directory. @return 0 if ok, -1 if error, 1 if at the end of the directory */ @@ -244,7 +265,7 @@ os_file_readdir_next_file( const char* dirname,/*!< in: directory name or path */ os_file_dir_t dir, /*!< in: directory stream */ os_file_stat_t* info); /*!< in/out: buffer where the info is returned */ -/********************************************************************* +/*****************************************************************//** This function attempts to create a directory named pathname. The new directory gets default permissions. On Unix, the permissions are (0770 & ~umask). If the directory exists already, nothing is done and the call succeeds, unless the @@ -258,9 +279,10 @@ os_file_create_directory( null-terminated string */ ibool fail_if_exists);/*!< in: if TRUE, pre-existing directory is treated as an error. */ -/******************************************************************** +/****************************************************************//** A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple( @@ -277,9 +299,10 @@ os_file_create_simple( ulint access_type,/*!< in: OS_FILE_READ_ONLY or OS_FILE_READ_WRITE */ ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/******************************************************************** +/****************************************************************//** A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple_no_error_handling( @@ -295,7 +318,7 @@ os_file_create_simple_no_error_handling( OS_FILE_READ_ALLOW_DELETE; the last option is used by a backup program reading the file */ ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/******************************************************************** +/****************************************************************//** Tries to disable OS caching on an opened file descriptor. */ UNIV_INTERN void @@ -306,9 +329,10 @@ os_file_set_nocache( diagnostic message */ const char* operation_name);/*!< in: "open" or "create"; used in the diagnostic message */ -/******************************************************************** +/****************************************************************//** Opens an existing file or creates a new. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create( @@ -332,7 +356,7 @@ os_file_create( function source code for the exact rules */ ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/*************************************************************************** +/***********************************************************************//** Deletes a file. The file has to be closed before calling this. @return TRUE if success */ UNIV_INTERN @@ -341,7 +365,7 @@ os_file_delete( /*===========*/ const char* name); /*!< in: file path as a null-terminated string */ -/*************************************************************************** +/***********************************************************************//** Deletes a file if it exists. The file has to be closed before calling this. @return TRUE if success */ UNIV_INTERN @@ -349,7 +373,7 @@ ibool os_file_delete_if_exists( /*=====================*/ const char* name); /*!< in: file path as a null-terminated string */ -/*************************************************************************** +/***********************************************************************//** Renames a file (can also move it to another directory). It is safest that the file is closed before calling this function. @return TRUE if success */ @@ -360,7 +384,7 @@ os_file_rename( const char* oldpath, /*!< in: old file path as a null-terminated string */ const char* newpath); /*!< in: new file path */ -/*************************************************************************** +/***********************************************************************//** Closes a file handle. In case of error, error number can be retrieved with os_file_get_last_error. @return TRUE if success */ @@ -369,7 +393,7 @@ ibool os_file_close( /*==========*/ os_file_t file); /*!< in, own: handle to a file */ -/*************************************************************************** +/***********************************************************************//** Closes a file handle. @return TRUE if success */ UNIV_INTERN @@ -377,7 +401,7 @@ ibool os_file_close_no_error_handling( /*============================*/ os_file_t file); /*!< in, own: handle to a file */ -/*************************************************************************** +/***********************************************************************//** Gets a file size. @return TRUE if success */ UNIV_INTERN @@ -388,7 +412,7 @@ os_file_get_size( ulint* size, /*!< out: least significant 32 bits of file size */ ulint* size_high);/*!< out: most significant 32 bits of size */ -/*************************************************************************** +/***********************************************************************//** Gets file size as a 64-bit integer ib_int64_t. @return size in bytes, -1 if error */ UNIV_INTERN @@ -396,7 +420,7 @@ ib_int64_t os_file_get_size_as_iblonglong( /*===========================*/ os_file_t file); /*!< in: handle to a file */ -/*************************************************************************** +/***********************************************************************//** Write the specified number of zeros to a newly created file. @return TRUE if success */ UNIV_INTERN @@ -409,7 +433,7 @@ os_file_set_size( ulint size, /*!< in: least significant 32 bits of file size */ ulint size_high);/*!< in: most significant 32 bits of size */ -/*************************************************************************** +/***********************************************************************//** Truncates a file at its current position. @return TRUE if success */ UNIV_INTERN @@ -417,7 +441,7 @@ ibool os_file_set_eof( /*============*/ FILE* file); /*!< in: file to be truncated */ -/*************************************************************************** +/***********************************************************************//** Flushes the write buffers of a given file to the disk. @return TRUE if success */ UNIV_INTERN @@ -425,7 +449,7 @@ ibool os_file_flush( /*==========*/ os_file_t file); /*!< in, own: handle to a file */ -/*************************************************************************** +/***********************************************************************//** Retrieves the last error number if an error occurs in a file io function. The number should be retrieved before any other OS calls (because they may overwrite the error number). If the number is not known to this program, @@ -437,7 +461,7 @@ os_file_get_last_error( /*===================*/ ibool report_all_errors); /*!< in: TRUE if we want an error message printed of all errors */ -/*********************************************************************** +/*******************************************************************//** Requests a synchronous read operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN @@ -451,7 +475,7 @@ os_file_read( ulint offset_high,/*!< in: most significant 32 bits of offset */ ulint n); /*!< in: number of bytes to read */ -/*********************************************************************** +/*******************************************************************//** Rewind file to its start, read at most size - 1 bytes from it to str, and NUL-terminate str. All errors are silently ignored. This function is mostly meant to be used with temporary files. */ @@ -462,7 +486,7 @@ os_file_read_string( FILE* file, /*!< in: file to read from */ char* str, /*!< in: buffer where to read */ ulint size); /*!< in: size of buffer */ -/*********************************************************************** +/*******************************************************************//** Requests a synchronous positioned read operation. This function does not do any error handling. In case of error it returns FALSE. @return TRUE if request was successful, FALSE if fail */ @@ -478,7 +502,7 @@ os_file_read_no_error_handling( offset */ ulint n); /*!< in: number of bytes to read */ -/*********************************************************************** +/*******************************************************************//** Requests a synchronous write operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN @@ -494,7 +518,7 @@ os_file_write( ulint offset_high,/*!< in: most significant 32 bits of offset */ ulint n); /*!< in: number of bytes to write */ -/*********************************************************************** +/*******************************************************************//** Check the existence and type of the given file. @return TRUE if call succeeded */ UNIV_INTERN @@ -504,7 +528,7 @@ os_file_status( const char* path, /*!< in: pathname of the file */ ibool* exists, /*!< out: TRUE if file exists */ os_file_type_t* type); /*!< out: type of the file (if it exists) */ -/******************************************************************** +/****************************************************************//** The function os_file_dirname returns a directory component of a null-terminated pathname string. In the usual case, dirname returns the string up to, but not including, the final '/', and basename @@ -537,7 +561,7 @@ char* os_file_dirname( /*============*/ const char* path); /*!< in: pathname */ -/******************************************************************** +/****************************************************************//** Creates all missing subdirectories along the given path. @return TRUE if call succeeded FALSE otherwise */ UNIV_INTERN @@ -545,7 +569,7 @@ ibool os_file_create_subdirs_if_needed( /*=============================*/ const char* path); /*!< in: path name */ -/**************************************************************************** +/************************************************************************//** Initializes the asynchronous io system. Creates separate aio array for non-ibuf read and write, a third aio array for the ibuf i/o, with just one segment, two aio arrays for log reads and writes with one segment, and a @@ -563,7 +587,7 @@ os_aio_init( ulint n_segments, /*!< in: combined number of segments in the four first aio arrays; must be >= 4 */ ulint n_slots_sync); /*!< in: number of slots in the sync aio array */ -/*********************************************************************** +/*******************************************************************//** Requests an asynchronous i/o operation. @return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN @@ -602,27 +626,27 @@ os_aio( (can be used to identify a completed aio operation); ignored if mode is OS_AIO_SYNC */ -/**************************************************************************** +/************************************************************************//** Wakes up all async i/o threads so that they know to exit themselves in shutdown. */ UNIV_INTERN void os_aio_wake_all_threads_at_shutdown(void); /*=====================================*/ -/**************************************************************************** +/************************************************************************//** Waits until there are no pending writes in os_aio_write_array. There can be other, synchronous, pending writes. */ UNIV_INTERN void os_aio_wait_until_no_pending_writes(void); /*=====================================*/ -/************************************************************************** +/**********************************************************************//** Wakes up simulated aio i/o-handler threads if they have something to do. */ UNIV_INTERN void os_aio_simulated_wake_handler_threads(void); /*=======================================*/ -/************************************************************************** +/**********************************************************************//** This function can be called if one wants to post a batch of reads and prefers an i/o-handler thread to handle them all at once later. You must call os_aio_simulated_wake_handler_threads later to ensure the threads @@ -633,7 +657,7 @@ os_aio_simulated_put_read_threads_to_sleep(void); /*============================================*/ #ifdef WIN_ASYNC_IO -/************************************************************************** +/**********************************************************************//** This function is only used in Windows asynchronous i/o. Waits for an aio operation to complete. This function is used to wait the for completed requests. The aio array of pending requests is divided @@ -664,7 +688,7 @@ os_aio_windows_handle( ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ #endif -/************************************************************************** +/**********************************************************************//** Does simulated aio. This function should be called by an i/o-handler thread. @return TRUE if the aio operation succeeded */ @@ -684,21 +708,21 @@ os_aio_simulated_handle( restart the operation, for example */ void** message2, ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ -/************************************************************************** +/**********************************************************************//** Validates the consistency of the aio system. @return TRUE if ok */ UNIV_INTERN ibool os_aio_validate(void); /*=================*/ -/************************************************************************** +/**********************************************************************//** Prints info of the aio arrays. */ UNIV_INTERN void os_aio_print( /*=========*/ FILE* file); /*!< in: file where to print */ -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void @@ -706,7 +730,7 @@ os_aio_refresh_stats(void); /*======================*/ #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Checks that all slots in the system have been freed, that is, there are no pending io operations. */ UNIV_INTERN @@ -715,7 +739,7 @@ os_aio_all_slots_free(void); /*=======================*/ #endif /* UNIV_DEBUG */ -/*********************************************************************** +/*******************************************************************//** This function returns information about the specified file @return TRUE if stat information found */ UNIV_INTERN @@ -727,7 +751,7 @@ os_file_get_status( directory */ #if !defined(UNIV_HOTBACKUP) && !defined(__NETWARE__) -/************************************************************************* +/*********************************************************************//** Creates a temporary file that will be deleted on close. This function is defined in ha_innodb.cc. @return temporary file descriptor, or < 0 on error */ diff --git a/include/os0proc.h b/include/os0proc.h index 8810b86a381..7a4c45cd38c 100644 --- a/include/os0proc.h +++ b/include/os0proc.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0proc.h The interface to the operating system process control primitives @@ -40,7 +41,7 @@ extern ibool os_use_large_pages; /* Large page size. This may be a boot-time option on some platforms */ extern ulint os_large_page_size; -/******************************************************************** +/****************************************************************//** Converts the current process id to a number. It is not guaranteed that the number is unique. In Linux returns the 'process number' of the current thread. That number is the same as one sees in 'top', for example. In Linux @@ -50,7 +51,7 @@ UNIV_INTERN ulint os_proc_get_number(void); /*====================*/ -/******************************************************************** +/****************************************************************//** Allocates large pages memory. @return allocated memory */ UNIV_INTERN @@ -58,7 +59,7 @@ void* os_mem_alloc_large( /*===============*/ ulint* n); /*!< in/out: number of bytes */ -/******************************************************************** +/****************************************************************//** Frees large pages memory. */ UNIV_INTERN void @@ -68,7 +69,7 @@ os_mem_free_large( os_mem_alloc_large() */ ulint size); /*!< in: size returned by os_mem_alloc_large() */ -/******************************************************************** +/****************************************************************//** Sets the priority boost for threads released from waiting within the current process. */ UNIV_INTERN diff --git a/include/os0proc.ic b/include/os0proc.ic index 9f1fb01866d..c9641644525 100644 --- a/include/os0proc.ic +++ b/include/os0proc.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0proc.ic The interface to the operating system process control primitives diff --git a/include/os0sync.h b/include/os0sync.h index e1ba50f94e3..dc8d20f4680 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0sync.h The interface to the operating system synchronization primitives. @@ -38,52 +39,65 @@ Created 9/6/1995 Heikki Tuuri #ifdef __WIN__ +/** Native mutex */ #define os_fast_mutex_t CRITICAL_SECTION +/** Native event */ typedef HANDLE os_native_event_t; +/** Operating system event */ typedef struct os_event_struct os_event_struct_t; +/** Operating system event handle */ typedef os_event_struct_t* os_event_t; +/** An asynchronous signal sent between threads */ struct os_event_struct { os_native_event_t handle; - /* Windows event */ + /*!< Windows event */ UT_LIST_NODE_T(os_event_struct_t) os_event_list; - /* list of all created events */ + /*!< list of all created events */ }; #else +/** Native mutex */ typedef pthread_mutex_t os_fast_mutex_t; +/** Operating system event */ typedef struct os_event_struct os_event_struct_t; +/** Operating system event handle */ typedef os_event_struct_t* os_event_t; +/** An asynchronous signal sent between threads */ struct os_event_struct { - os_fast_mutex_t os_mutex; /* this mutex protects the next + os_fast_mutex_t os_mutex; /*!< this mutex protects the next fields */ - ibool is_set; /* this is TRUE when the event is + ibool is_set; /*!< this is TRUE when the event is in the signaled state, i.e., a thread does not stop if it tries to wait for this event */ - ib_int64_t signal_count; /* this is incremented each time + ib_int64_t signal_count; /*!< this is incremented each time the event becomes signaled */ - pthread_cond_t cond_var; /* condition variable is used in + pthread_cond_t cond_var; /*!< condition variable is used in waiting for the event */ UT_LIST_NODE_T(os_event_struct_t) os_event_list; - /* list of all created events */ + /*!< list of all created events */ }; #endif +/** Operating system mutex */ typedef struct os_mutex_struct os_mutex_str_t; +/** Operating system mutex handle */ typedef os_mutex_str_t* os_mutex_t; +/** Denotes an infinite delay for os_event_wait_time() */ #define OS_SYNC_INFINITE_TIME ((ulint)(-1)) +/** Return value of os_event_wait_time() when the time is exceeded */ #define OS_SYNC_TIME_EXCEEDED 1 -/* Mutex protecting counts and the event and OS 'slow' mutex lists */ +/** Mutex protecting counts and the event and OS 'slow' mutex lists */ extern os_mutex_t os_sync_mutex; -/* This is incremented by 1 in os_thread_create and decremented by 1 in +/** This is incremented by 1 in os_thread_create and decremented by 1 in os_thread_exit */ extern ulint os_thread_count; @@ -91,19 +105,19 @@ extern ulint os_event_count; extern ulint os_mutex_count; extern ulint os_fast_mutex_count; -/************************************************************* +/*********************************************************//** Initializes global event and OS 'slow' mutex lists. */ UNIV_INTERN void os_sync_init(void); /*==============*/ -/************************************************************* +/*********************************************************//** Frees created events and OS 'slow' mutexes. */ UNIV_INTERN void os_sync_free(void); /*==============*/ -/************************************************************* +/*********************************************************//** Creates an event semaphore, i.e., a semaphore which may just have two states: signaled and nonsignaled. The created event is manual reset: it must be reset explicitly by calling sync_os_reset_event. @@ -115,7 +129,7 @@ os_event_create( const char* name); /*!< in: the name of the event, if NULL the event is created without a name */ #ifdef __WIN__ -/************************************************************* +/*********************************************************//** Creates an auto-reset event semaphore, i.e., an event which is automatically reset when a single thread is released. Works only in Windows. @return the event handle */ @@ -126,7 +140,7 @@ os_event_create_auto( const char* name); /*!< in: the name of the event, if NULL the event is created without a name */ #endif -/************************************************************** +/**********************************************************//** Sets an event semaphore to the signaled state: lets waiting threads proceed. */ UNIV_INTERN @@ -134,7 +148,7 @@ void os_event_set( /*=========*/ os_event_t event); /*!< in: event to set */ -/************************************************************** +/**********************************************************//** Resets an event semaphore to the nonsignaled state. Waiting threads will stop to wait for the event. The return value should be passed to os_even_wait_low() if it is desired @@ -146,7 +160,7 @@ ib_int64_t os_event_reset( /*===========*/ os_event_t event); /*!< in: event to reset */ -/************************************************************** +/**********************************************************//** Frees an event object. */ UNIV_INTERN void @@ -154,7 +168,7 @@ os_event_free( /*==========*/ os_event_t event); /*!< in: event to free */ -/************************************************************** +/**********************************************************//** Waits for an event object until it is in the signaled state. If srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the waiting thread when the event becomes signaled (or immediately if the @@ -185,7 +199,7 @@ os_event_wait_low( #define os_event_wait(event) os_event_wait_low(event, 0) -/************************************************************** +/**********************************************************//** Waits for an event object until it is in the signaled state or a timeout is exceeded. In Unix the timeout is always infinite. @return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ @@ -197,7 +211,7 @@ os_event_wait_time( ulint time); /*!< in: timeout in microseconds, or OS_SYNC_INFINITE_TIME */ #ifdef __WIN__ -/************************************************************** +/**********************************************************//** Waits for any event in an OS native event array. Returns if even a single one is signaled or becomes signaled. @return index of the event which was signaled */ @@ -211,7 +225,7 @@ os_event_wait_multiple( /*!< in: pointer to an array of event handles */ #endif -/************************************************************* +/*********************************************************//** Creates an operating system mutex semaphore. Because these are slow, the mutex semaphore of InnoDB itself (mutex_t) should be used where possible. @return the mutex handle */ @@ -221,28 +235,28 @@ os_mutex_create( /*============*/ const char* name); /*!< in: the name of the mutex, if NULL the mutex is created without a name */ -/************************************************************** +/**********************************************************//** Acquires ownership of a mutex semaphore. */ UNIV_INTERN void os_mutex_enter( /*===========*/ os_mutex_t mutex); /*!< in: mutex to acquire */ -/************************************************************** +/**********************************************************//** Releases ownership of a mutex. */ UNIV_INTERN void os_mutex_exit( /*==========*/ os_mutex_t mutex); /*!< in: mutex to release */ -/************************************************************** +/**********************************************************//** Frees an mutex object. */ UNIV_INTERN void os_mutex_free( /*==========*/ os_mutex_t mutex); /*!< in: mutex to free */ -/************************************************************** +/**********************************************************//** Acquires ownership of a fast mutex. Currently in Windows this is the same as os_fast_mutex_lock! @return 0 if success, != 0 if was reserved by another thread */ @@ -251,28 +265,28 @@ ulint os_fast_mutex_trylock( /*==================*/ os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ -/************************************************************** +/**********************************************************//** Releases ownership of a fast mutex. */ UNIV_INTERN void os_fast_mutex_unlock( /*=================*/ os_fast_mutex_t* fast_mutex); /*!< in: mutex to release */ -/************************************************************* +/*********************************************************//** Initializes an operating system fast mutex semaphore. */ UNIV_INTERN void os_fast_mutex_init( /*===============*/ os_fast_mutex_t* fast_mutex); /*!< in: fast mutex */ -/************************************************************** +/**********************************************************//** Acquires ownership of a fast mutex. */ UNIV_INTERN void os_fast_mutex_lock( /*===============*/ os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ -/************************************************************** +/**********************************************************//** Frees an mutex object. */ UNIV_INTERN void @@ -280,11 +294,11 @@ os_fast_mutex_free( /*===============*/ os_fast_mutex_t* fast_mutex); /*!< in: mutex to free */ -/************************************************************** +/**********************************************************//** Atomic compare-and-swap and increment for InnoDB. */ #ifdef HAVE_GCC_ATOMIC_BUILTINS -/************************************************************** +/**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ # define os_compare_and_swap(ptr, old_val, new_val) \ @@ -295,7 +309,7 @@ compare to, new_val is the value to swap in. */ os_compare_and_swap(ptr, old_val, new_val) # define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ os_compare_and_swap(ptr, old_val, new_val) -/************************************************************** +/**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ # define os_atomic_increment(ptr, amount) \ @@ -304,7 +318,7 @@ amount of increment. */ os_atomic_increment(ptr, amount) # define os_atomic_increment_ulint(ptr, amount) \ os_atomic_increment(ptr, amount) -/************************************************************** +/**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val */ # define os_atomic_test_and_set_byte(ptr, new_val) \ __sync_lock_test_and_set(ptr, new_val) @@ -312,7 +326,7 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */ intrinsics and running on Solaris >= 10 use Solaris atomics */ #elif defined(HAVE_SOLARIS_ATOMICS) #include -/************************************************************** +/**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ # define os_compare_and_swap_ulint(ptr, old_val, new_val) \ @@ -331,14 +345,14 @@ compare to, new_val is the value to swap in. */ # endif /* SIZEOF_PTHREAD_T CHECK */ # endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -/************************************************************** +/**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ # define os_atomic_increment_lint(ptr, amount) \ atomic_add_long_nv((ulong_t*) ptr, amount) # define os_atomic_increment_ulint(ptr, amount) \ atomic_add_long_nv(ptr, amount) -/************************************************************** +/**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val */ # define os_atomic_test_and_set_byte(ptr, new_val) \ atomic_swap_uchar(ptr, new_val) @@ -351,7 +365,7 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */ # define win_cmp_and_xchg InterlockedCompareExchange # define win_xchg_and_add InterlockedExchangeAdd # endif -/************************************************************** +/**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ # define os_compare_and_swap_ulint(ptr, old_val, new_val) \ @@ -362,14 +376,14 @@ compare to, new_val is the value to swap in. */ # define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ (InterlockedCompareExchange(ptr, new_val, old_val) == old_val) # endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -/************************************************************** +/**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ # define os_atomic_increment_lint(ptr, amount) \ (win_xchg_and_add(ptr, amount) + amount) # define os_atomic_increment_ulint(ptr, amount) \ ((ulint) (win_xchg_and_add(ptr, amount) + amount)) -/************************************************************** +/**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val. InterlockedExchange() operates on LONG, and the LONG will be clobbered */ diff --git a/include/os0sync.ic b/include/os0sync.ic index 3f7060d9569..1f3ce38fa65 100644 --- a/include/os0sync.ic +++ b/include/os0sync.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0sync.ic The interface to the operating system synchronization primitives. Created 9/6/1995 Heikki Tuuri @@ -26,7 +27,7 @@ Created 9/6/1995 Heikki Tuuri #include #endif -/************************************************************** +/**********************************************************//** Acquires ownership of a fast mutex. Currently in Windows this is the same as os_fast_mutex_lock! @return 0 if success, != 0 if was reserved by another thread */ diff --git a/include/os0thread.h b/include/os0thread.h index d06ddb143b0..14f10fd5427 100644 --- a/include/os0thread.h +++ b/include/os0thread.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0thread.h The interface to the operating system process and thread control primitives @@ -43,11 +44,11 @@ can wait inside InnoDB */ #ifdef __WIN__ typedef void* os_thread_t; -typedef ulint os_thread_id_t; /* In Windows the thread id +typedef ulint os_thread_id_t; /*!< In Windows the thread id is an unsigned long int */ #else typedef pthread_t os_thread_t; -typedef os_thread_t os_thread_id_t; /* In Unix we use the thread +typedef os_thread_t os_thread_id_t; /*!< In Unix we use the thread handle itself as the id of the thread */ #endif @@ -55,7 +56,7 @@ typedef os_thread_t os_thread_id_t; /* In Unix we use the thread /* Define a function pointer type to use in a typecast */ typedef void* (*os_posix_f_t) (void*); -/******************************************************************* +/***************************************************************//** Compares two thread ids for equality. @return TRUE if equal */ UNIV_INTERN @@ -64,7 +65,7 @@ os_thread_eq( /*=========*/ os_thread_id_t a, /*!< in: OS thread or thread id */ os_thread_id_t b); /*!< in: OS thread or thread id */ -/******************************************************************** +/****************************************************************//** Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is unique for the thread though! @return thread identifier as a number */ @@ -73,7 +74,7 @@ ulint os_thread_pf( /*=========*/ os_thread_id_t a); /*!< in: OS thread identifier */ -/******************************************************************** +/****************************************************************//** Creates a new thread of execution. The execution starts from the function given. The start function takes a void* parameter and returns a ulint. @@ -95,7 +96,7 @@ os_thread_create( os_thread_id_t* thread_id); /*!< out: id of the created thread, or NULL */ -/********************************************************************* +/*****************************************************************//** Exits the current thread. */ UNIV_INTERN void @@ -103,34 +104,34 @@ os_thread_exit( /*===========*/ void* exit_value); /*!< in: exit value; in Windows this void* is cast as a DWORD */ -/********************************************************************* +/*****************************************************************//** Returns the thread identifier of current thread. @return current thread identifier */ UNIV_INTERN os_thread_id_t os_thread_get_curr_id(void); /*========================*/ -/********************************************************************* +/*****************************************************************//** Returns handle to the current thread. @return current thread handle */ UNIV_INTERN os_thread_t os_thread_get_curr(void); /*====================*/ -/********************************************************************* +/*****************************************************************//** Advises the os to give up remainder of the thread's time slice. */ UNIV_INTERN void os_thread_yield(void); /*=================*/ -/********************************************************************* +/*****************************************************************//** The thread sleeps at least the time given in microseconds. */ UNIV_INTERN void os_thread_sleep( /*============*/ ulint tm); /*!< in: time in microseconds */ -/********************************************************************** +/******************************************************************//** Gets a thread priority. @return priority */ UNIV_INTERN @@ -138,7 +139,7 @@ ulint os_thread_get_priority( /*===================*/ os_thread_t handle);/*!< in: OS handle to the thread */ -/********************************************************************** +/******************************************************************//** Sets a thread priority. */ UNIV_INTERN void @@ -146,7 +147,7 @@ os_thread_set_priority( /*===================*/ os_thread_t handle, /*!< in: OS handle to the thread */ ulint pri); /*!< in: priority: one of OS_PRIORITY_... */ -/********************************************************************** +/******************************************************************//** Gets the last operating system error code for the calling thread. @return last error on Windows, 0 otherwise */ UNIV_INTERN diff --git a/include/os0thread.ic b/include/os0thread.ic index a86b203809c..f89bc40b4fa 100644 --- a/include/os0thread.ic +++ b/include/os0thread.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/os0thread.ic The interface to the operating system process and thread control primitives diff --git a/include/page0cur.h b/include/page0cur.h index c0eaad5ba91..1544b0abe1c 100644 --- a/include/page0cur.h +++ b/include/page0cur.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/page0cur.h The page cursor Created 10/4/1994 Heikki Tuuri @@ -52,7 +53,7 @@ Created 10/4/1994 Heikki Tuuri #endif /* UNIV_SEARCH_DEBUG */ #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Gets pointer to the page frame where the cursor is positioned. @return page */ UNIV_INLINE @@ -60,7 +61,7 @@ page_t* page_cur_get_page( /*==============*/ page_cur_t* cur); /*!< in: page cursor */ -/************************************************************* +/*********************************************************//** Gets pointer to the buffer block where the cursor is positioned. @return page */ UNIV_INLINE @@ -68,7 +69,7 @@ buf_block_t* page_cur_get_block( /*===============*/ page_cur_t* cur); /*!< in: page cursor */ -/************************************************************* +/*********************************************************//** Gets pointer to the page frame where the cursor is positioned. @return page */ UNIV_INLINE @@ -76,7 +77,7 @@ page_zip_des_t* page_cur_get_page_zip( /*==================*/ page_cur_t* cur); /*!< in: page cursor */ -/************************************************************* +/*********************************************************//** Gets the record where the cursor is positioned. @return record */ UNIV_INLINE @@ -90,7 +91,7 @@ page_cur_get_rec( # define page_cur_get_page_zip(cur) buf_block_get_page_zip((cur)->block) # define page_cur_get_rec(cur) (cur)->rec #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Sets the cursor object to point before the first user record on the page. */ UNIV_INLINE @@ -99,7 +100,7 @@ page_cur_set_before_first( /*======================*/ const buf_block_t* block, /*!< in: index page */ page_cur_t* cur); /*!< in: cursor */ -/************************************************************* +/*********************************************************//** Sets the cursor object to point after the last user record on the page. */ UNIV_INLINE @@ -108,7 +109,7 @@ page_cur_set_after_last( /*====================*/ const buf_block_t* block, /*!< in: index page */ page_cur_t* cur); /*!< in: cursor */ -/************************************************************* +/*********************************************************//** Returns TRUE if the cursor is before first user record on page. @return TRUE if at start */ UNIV_INLINE @@ -116,7 +117,7 @@ ibool page_cur_is_before_first( /*=====================*/ const page_cur_t* cur); /*!< in: cursor */ -/************************************************************* +/*********************************************************//** Returns TRUE if the cursor is after last user record. @return TRUE if at end */ UNIV_INLINE @@ -124,7 +125,7 @@ ibool page_cur_is_after_last( /*===================*/ const page_cur_t* cur); /*!< in: cursor */ -/************************************************************** +/**********************************************************//** Positions the cursor on the given record. */ UNIV_INLINE void @@ -134,21 +135,21 @@ page_cur_position( const buf_block_t* block, /*!< in: buffer block containing the record */ page_cur_t* cur); /*!< out: page cursor */ -/************************************************************** +/**********************************************************//** Invalidates a page cursor by setting the record pointer NULL. */ UNIV_INLINE void page_cur_invalidate( /*================*/ page_cur_t* cur); /*!< out: page cursor */ -/************************************************************** +/**********************************************************//** Moves the cursor to the next record on page. */ UNIV_INLINE void page_cur_move_to_next( /*==================*/ page_cur_t* cur); /*!< in/out: cursor; must not be after last */ -/************************************************************** +/**********************************************************//** Moves the cursor to the previous record on page. */ UNIV_INLINE void @@ -156,7 +157,7 @@ page_cur_move_to_prev( /*==================*/ page_cur_t* cur); /*!< in/out: cursor; not before first */ #ifndef UNIV_HOTBACKUP -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is @@ -172,7 +173,7 @@ page_cur_tuple_insert( ulint n_ext, /*!< in: number of externally stored columns */ mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is @@ -187,7 +188,7 @@ page_cur_rec_insert( dict_index_t* index, /*!< in: record descriptor */ ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor on an uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same position. @@ -202,7 +203,7 @@ page_cur_insert_rec_low( const rec_t* rec, /*!< in: pointer to a physical record */ ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor on a compressed and uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. @@ -219,7 +220,7 @@ page_cur_insert_rec_zip( const rec_t* rec, /*!< in: pointer to a physical record */ ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/***************************************************************** +/*************************************************************//** Copies records from page to a newly created page, from a given record onward, including that record. Infimum and supremum records are not copied. */ UNIV_INTERN @@ -230,7 +231,7 @@ page_copy_rec_list_end_to_created_page( rec_t* rec, /*!< in: first record to copy */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr */ -/*************************************************************** +/***********************************************************//** Deletes a record at the page cursor. The cursor is moved to the next record after the deleted one. */ UNIV_INTERN @@ -242,7 +243,7 @@ page_cur_delete_rec( const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ mtr_t* mtr); /*!< in: mini-transaction handle */ #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Searches the right position for a page cursor. @return number of matched fields on the left */ UNIV_INLINE @@ -256,7 +257,7 @@ page_cur_search( PAGE_CUR_LE, PAGE_CUR_G, or PAGE_CUR_GE */ page_cur_t* cursor);/*!< out: page cursor */ -/******************************************************************** +/****************************************************************//** Searches the right position for a page cursor. */ UNIV_INTERN void @@ -283,7 +284,7 @@ page_cur_search_with_match( bytes in a field not yet completely matched */ page_cur_t* cursor);/*!< out: page cursor */ -/*************************************************************** +/***********************************************************//** Positions a page cursor on a randomly chosen user record on a page. If there are no user records, sets the cursor on the infimum record. */ UNIV_INTERN @@ -293,7 +294,7 @@ page_cur_open_on_rnd_user_rec( buf_block_t* block, /*!< in: page */ page_cur_t* cursor);/*!< out: page cursor */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a log record of a record insert on a page. @return end of log record or NULL */ UNIV_INTERN @@ -306,7 +307,7 @@ page_cur_parse_insert_rec( buf_block_t* block, /*!< in: page or NULL */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr or NULL */ -/************************************************************** +/**********************************************************//** Parses a log record of copying a record list end to a new created page. @return end of log record or NULL */ UNIV_INTERN @@ -318,7 +319,7 @@ page_parse_copy_rec_list_to_created_page( buf_block_t* block, /*!< in: page or NULL */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr or NULL */ -/*************************************************************** +/***********************************************************//** Parses log record of a record delete on a page. @return pointer to record end or NULL */ UNIV_INTERN @@ -331,11 +332,11 @@ page_cur_parse_delete_rec( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr or NULL */ -/* Index page cursor */ +/** Index page cursor */ struct page_cur_struct{ - byte* rec; /* pointer to a record on page */ - buf_block_t* block; /* pointer to the block containing rec */ + byte* rec; /*!< pointer to a record on page */ + buf_block_t* block; /*!< pointer to the block containing rec */ }; #ifndef UNIV_NONINL diff --git a/include/page0cur.ic b/include/page0cur.ic index 6ccd43e1182..3520677dfb3 100644 --- a/include/page0cur.ic +++ b/include/page0cur.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/page0cur.ic The page cursor Created 10/4/1994 Heikki Tuuri @@ -26,7 +27,7 @@ Created 10/4/1994 Heikki Tuuri #include "buf0types.h" #ifdef UNIV_DEBUG -/************************************************************* +/*********************************************************//** Gets pointer to the page frame where the cursor is positioned. @return page */ UNIV_INLINE @@ -41,7 +42,7 @@ page_cur_get_page( return(page_align(cur->rec)); } -/************************************************************* +/*********************************************************//** Gets pointer to the buffer block where the cursor is positioned. @return page */ UNIV_INLINE @@ -55,7 +56,7 @@ page_cur_get_block( return(cur->block); } -/************************************************************* +/*********************************************************//** Gets pointer to the page frame where the cursor is positioned. @return page */ UNIV_INLINE @@ -67,7 +68,7 @@ page_cur_get_page_zip( return(buf_block_get_page_zip(page_cur_get_block(cur))); } -/************************************************************* +/*********************************************************//** Gets the record where the cursor is positioned. @return record */ UNIV_INLINE @@ -83,7 +84,7 @@ page_cur_get_rec( } #endif /* UNIV_DEBUG */ -/************************************************************* +/*********************************************************//** Sets the cursor object to point before the first user record on the page. */ UNIV_INLINE @@ -97,7 +98,7 @@ page_cur_set_before_first( cur->rec = page_get_infimum_rec(buf_block_get_frame(cur->block)); } -/************************************************************* +/*********************************************************//** Sets the cursor object to point after the last user record on the page. */ UNIV_INLINE @@ -111,7 +112,7 @@ page_cur_set_after_last( cur->rec = page_get_supremum_rec(buf_block_get_frame(cur->block)); } -/************************************************************* +/*********************************************************//** Returns TRUE if the cursor is before first user record on page. @return TRUE if at start */ UNIV_INLINE @@ -125,7 +126,7 @@ page_cur_is_before_first( return(page_rec_is_infimum(cur->rec)); } -/************************************************************* +/*********************************************************//** Returns TRUE if the cursor is after last user record. @return TRUE if at end */ UNIV_INLINE @@ -139,7 +140,7 @@ page_cur_is_after_last( return(page_rec_is_supremum(cur->rec)); } -/************************************************************** +/**********************************************************//** Positions the cursor on the given record. */ UNIV_INLINE void @@ -157,7 +158,7 @@ page_cur_position( cur->block = (buf_block_t*) block; } -/************************************************************** +/**********************************************************//** Invalidates a page cursor by setting the record pointer NULL. */ UNIV_INLINE void @@ -171,7 +172,7 @@ page_cur_invalidate( cur->block = NULL; } -/************************************************************** +/**********************************************************//** Moves the cursor to the next record on page. */ UNIV_INLINE void @@ -184,7 +185,7 @@ page_cur_move_to_next( cur->rec = page_rec_get_next(cur->rec); } -/************************************************************** +/**********************************************************//** Moves the cursor to the previous record on page. */ UNIV_INLINE void @@ -198,7 +199,7 @@ page_cur_move_to_prev( } #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Searches the right position for a page cursor. @return number of matched fields on the left */ UNIV_INLINE @@ -229,7 +230,7 @@ page_cur_search( return(low_matched_fields); } -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is @@ -272,7 +273,7 @@ page_cur_tuple_insert( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same logical position, but the physical position may change if it is diff --git a/include/page0page.h b/include/page0page.h index ea7c61b19a5..a4fe069d022 100644 --- a/include/page0page.h +++ b/include/page0page.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/page0page.h Index page routines Created 2/2/1994 Heikki Tuuri @@ -156,7 +157,7 @@ directory. */ #define PAGE_DIR_SLOT_MAX_N_OWNED 8 #define PAGE_DIR_SLOT_MIN_N_OWNED 4 -/**************************************************************** +/************************************************************//** Gets the start of a page. @return start of the page */ UNIV_INLINE @@ -165,7 +166,7 @@ page_align( /*=======*/ const void* ptr) /*!< in: pointer to page frame */ __attribute__((const)); -/**************************************************************** +/************************************************************//** Gets the offset within a page. @return offset from the start of the page */ UNIV_INLINE @@ -174,14 +175,14 @@ page_offset( /*========*/ const void* ptr) /*!< in: pointer to page frame */ __attribute__((const)); -/***************************************************************** +/*************************************************************//** Returns the max trx id field value. */ UNIV_INLINE trx_id_t page_get_max_trx_id( /*================*/ const page_t* page); /*!< in: page */ -/***************************************************************** +/*************************************************************//** Sets the max trx id field value. */ UNIV_INTERN void @@ -191,7 +192,7 @@ page_set_max_trx_id( page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ trx_id_t trx_id, /*!< in: transaction id */ mtr_t* mtr); /*!< in/out: mini-transaction, or NULL */ -/***************************************************************** +/*************************************************************//** Sets the max trx id field value if trx_id is bigger than the previous value. */ UNIV_INLINE @@ -203,7 +204,7 @@ page_update_max_trx_id( uncompressed part will be updated, or NULL */ trx_id_t trx_id, /*!< in: transaction id */ mtr_t* mtr); /*!< in/out: mini-transaction */ -/***************************************************************** +/*************************************************************//** Reads the given header field. */ UNIV_INLINE ulint @@ -211,7 +212,7 @@ page_header_get_field( /*==================*/ const page_t* page, /*!< in: page */ ulint field); /*!< in: PAGE_N_DIR_SLOTS, ... */ -/***************************************************************** +/*************************************************************//** Sets the given header field. */ UNIV_INLINE void @@ -222,7 +223,7 @@ page_header_set_field( uncompressed part will be updated, or NULL */ ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ ulint val); /*!< in: value */ -/***************************************************************** +/*************************************************************//** Returns the offset stored in the given header field. @return offset from the start of the page, or 0 */ UNIV_INLINE @@ -233,12 +234,12 @@ page_header_get_offs( ulint field) /*!< in: PAGE_FREE, ... */ __attribute__((nonnull, pure)); -/***************************************************************** +/*************************************************************//** Returns the pointer stored in the given header field, or NULL. */ #define page_header_get_ptr(page, field) \ (page_header_get_offs(page, field) \ ? page + page_header_get_offs(page, field) : NULL) -/***************************************************************** +/*************************************************************//** Sets the pointer stored in the given header field. */ UNIV_INLINE void @@ -250,7 +251,7 @@ page_header_set_ptr( ulint field, /*!< in/out: PAGE_FREE, ... */ const byte* ptr); /*!< in: pointer or NULL*/ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Resets the last insert info field in the page header. Writes to mlog about this operation. */ UNIV_INLINE @@ -262,7 +263,7 @@ page_header_reset_last_insert( uncompressed part will be updated, or NULL */ mtr_t* mtr); /*!< in: mtr */ #endif /* !UNIV_HOTBACKUP */ -/**************************************************************** +/************************************************************//** Gets the offset of the first record on the page. @return offset of the first record in record list, relative from page */ UNIV_INLINE @@ -270,7 +271,7 @@ ulint page_get_infimum_offset( /*====================*/ const page_t* page); /*!< in: page which must have record(s) */ -/**************************************************************** +/************************************************************//** Gets the offset of the last record on the page. @return offset of the last record in record list, relative from page */ UNIV_INLINE @@ -280,7 +281,7 @@ page_get_supremum_offset( const page_t* page); /*!< in: page which must have record(s) */ #define page_get_infimum_rec(page) ((page) + page_get_infimum_offset(page)) #define page_get_supremum_rec(page) ((page) + page_get_supremum_offset(page)) -/**************************************************************** +/************************************************************//** Returns the middle record of record list. If there are an even number of records in the list, returns the first record of upper half-list. @return middle record */ @@ -290,13 +291,14 @@ page_get_middle_rec( /*================*/ page_t* page); /*!< in: page */ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an index page, and also page infimum and supremum records can be given in the parameter rec. These are considered as the negative infinity and the positive infinity in the alphabetical order. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ UNIV_INLINE int page_cmp_dtuple_rec_with_match( @@ -315,7 +317,7 @@ page_cmp_dtuple_rec_with_match( matched; when function returns contains the value for current comparison */ #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Gets the page number. @return page number */ UNIV_INLINE @@ -323,7 +325,7 @@ ulint page_get_page_no( /*=============*/ const page_t* page); /*!< in: page */ -/***************************************************************** +/*************************************************************//** Gets the tablespace identifier. @return space id */ UNIV_INLINE @@ -331,7 +333,7 @@ ulint page_get_space_id( /*==============*/ const page_t* page); /*!< in: page */ -/***************************************************************** +/*************************************************************//** Gets the number of user records on page (the infimum and supremum records are not user records). @return number of user records */ @@ -340,7 +342,7 @@ ulint page_get_n_recs( /*============*/ const page_t* page); /*!< in: index page */ -/******************************************************************* +/***************************************************************//** Returns the number of records before the given record in chain. The number includes infimum and supremum records. @return number of records */ @@ -349,7 +351,7 @@ ulint page_rec_get_n_recs_before( /*=======================*/ const rec_t* rec); /*!< in: the physical record */ -/***************************************************************** +/*************************************************************//** Gets the number of records in the heap. @return number of user records */ UNIV_INLINE @@ -357,7 +359,7 @@ ulint page_dir_get_n_heap( /*================*/ const page_t* page); /*!< in: index page */ -/***************************************************************** +/*************************************************************//** Sets the number of records in the heap. */ UNIV_INLINE void @@ -370,7 +372,7 @@ page_dir_set_n_heap( in the compressed page trailer is n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ ulint n_heap);/*!< in: number of records */ -/***************************************************************** +/*************************************************************//** Gets the number of dir slots in directory. @return number of slots */ UNIV_INLINE @@ -378,7 +380,7 @@ ulint page_dir_get_n_slots( /*=================*/ const page_t* page); /*!< in: index page */ -/***************************************************************** +/*************************************************************//** Sets the number of dir slots in directory. */ UNIV_INLINE void @@ -389,7 +391,7 @@ page_dir_set_n_slots( uncompressed part will be updated, or NULL */ ulint n_slots);/*!< in: number of slots */ #ifdef UNIV_DEBUG -/***************************************************************** +/*************************************************************//** Gets pointer to nth directory slot. @return pointer to dir slot */ UNIV_INLINE @@ -403,7 +405,7 @@ page_dir_get_nth_slot( ((page) + UNIV_PAGE_SIZE - PAGE_DIR \ - (n + 1) * PAGE_DIR_SLOT_SIZE) #endif /* UNIV_DEBUG */ -/****************************************************************** +/**************************************************************//** Used to check the consistency of a record on a page. @return TRUE if succeed */ UNIV_INLINE @@ -411,7 +413,7 @@ ibool page_rec_check( /*===========*/ const rec_t* rec); /*!< in: record */ -/******************************************************************* +/***************************************************************//** Gets the record pointed to by a directory slot. @return pointer to record */ UNIV_INLINE @@ -419,7 +421,7 @@ const rec_t* page_dir_slot_get_rec( /*==================*/ const page_dir_slot_t* slot); /*!< in: directory slot */ -/******************************************************************* +/***************************************************************//** This is used to set the record offset in a directory slot. */ UNIV_INLINE void @@ -427,7 +429,7 @@ page_dir_slot_set_rec( /*==================*/ page_dir_slot_t* slot, /*!< in: directory slot */ rec_t* rec); /*!< in: record on the page */ -/******************************************************************* +/***************************************************************//** Gets the number of records owned by a directory slot. @return number of records */ UNIV_INLINE @@ -435,7 +437,7 @@ ulint page_dir_slot_get_n_owned( /*======================*/ const page_dir_slot_t* slot); /*!< in: page directory slot */ -/******************************************************************* +/***************************************************************//** This is used to set the owned records field of a directory slot. */ UNIV_INLINE void @@ -444,7 +446,7 @@ page_dir_slot_set_n_owned( page_dir_slot_t*slot, /*!< in/out: directory slot */ page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ ulint n); /*!< in: number of records owned by the slot */ -/**************************************************************** +/************************************************************//** Calculates the space reserved for directory slots of a given number of records. The exact value is a fraction number n * PAGE_DIR_SLOT_SIZE / PAGE_DIR_SLOT_MIN_N_OWNED, and it is @@ -454,7 +456,7 @@ ulint page_dir_calc_reserved_space( /*=========================*/ ulint n_recs); /*!< in: number of records */ -/******************************************************************* +/***************************************************************//** Looks for the directory slot which owns the given record. @return the directory slot number */ UNIV_INTERN @@ -462,15 +464,16 @@ ulint page_dir_find_owner_slot( /*=====================*/ const rec_t* rec); /*!< in: the physical record */ -/**************************************************************** +/************************************************************//** Determine whether the page is in new-style compact format. -@return nonzero if the page is in compact format, zero if it is in old-style format */ +@return nonzero if the page is in compact format, zero if it is in +old-style format */ UNIV_INLINE ulint page_is_comp( /*=========*/ const page_t* page); /*!< in: index page */ -/**************************************************************** +/************************************************************//** TRUE if the record is on a page in compact format. @return nonzero if in compact format */ UNIV_INLINE @@ -478,7 +481,7 @@ ulint page_rec_is_comp( /*=============*/ const rec_t* rec); /*!< in: record */ -/******************************************************************* +/***************************************************************//** Returns the heap number of a record. @return heap number */ UNIV_INLINE @@ -486,7 +489,7 @@ ulint page_rec_get_heap_no( /*=================*/ const rec_t* rec); /*!< in: the physical record */ -/**************************************************************** +/************************************************************//** Determine whether the page is a B-tree leaf. @return TRUE if the page is a B-tree leaf */ UNIV_INLINE @@ -495,7 +498,7 @@ page_is_leaf( /*=========*/ const page_t* page) /*!< in: page */ __attribute__((nonnull, pure)); -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -504,7 +507,7 @@ page_rec_get_next_low( /*==================*/ const rec_t* rec, /*!< in: pointer to record */ ulint comp); /*!< in: nonzero=compact page layout */ -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -512,7 +515,7 @@ rec_t* page_rec_get_next( /*==============*/ rec_t* rec); /*!< in: pointer to record */ -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -520,7 +523,7 @@ const rec_t* page_rec_get_next_const( /*====================*/ const rec_t* rec); /*!< in: pointer to record */ -/**************************************************************** +/************************************************************//** Sets the pointer to the next record on the page. */ UNIV_INLINE void @@ -530,7 +533,7 @@ page_rec_set_next( must not be page supremum */ rec_t* next); /*!< in: pointer to next record, must not be page infimum */ -/**************************************************************** +/************************************************************//** Gets the pointer to the previous record. @return pointer to previous record */ UNIV_INLINE @@ -539,7 +542,7 @@ page_rec_get_prev_const( /*====================*/ const rec_t* rec); /*!< in: pointer to record, must not be page infimum */ -/**************************************************************** +/************************************************************//** Gets the pointer to the previous record. @return pointer to previous record */ UNIV_INLINE @@ -548,7 +551,7 @@ page_rec_get_prev( /*==============*/ rec_t* rec); /*!< in: pointer to record, must not be page infimum */ -/**************************************************************** +/************************************************************//** TRUE if the record is a user record on the page. @return TRUE if a user record */ UNIV_INLINE @@ -557,7 +560,7 @@ page_rec_is_user_rec_low( /*=====================*/ ulint offset) /*!< in: record offset on page */ __attribute__((const)); -/**************************************************************** +/************************************************************//** TRUE if the record is the supremum record on a page. @return TRUE if the supremum record */ UNIV_INLINE @@ -566,7 +569,7 @@ page_rec_is_supremum_low( /*=====================*/ ulint offset) /*!< in: record offset on page */ __attribute__((const)); -/**************************************************************** +/************************************************************//** TRUE if the record is the infimum record on a page. @return TRUE if the infimum record */ UNIV_INLINE @@ -576,7 +579,7 @@ page_rec_is_infimum_low( ulint offset) /*!< in: record offset on page */ __attribute__((const)); -/**************************************************************** +/************************************************************//** TRUE if the record is a user record on the page. @return TRUE if a user record */ UNIV_INLINE @@ -585,7 +588,7 @@ page_rec_is_user_rec( /*=================*/ const rec_t* rec) /*!< in: record */ __attribute__((const)); -/**************************************************************** +/************************************************************//** TRUE if the record is the supremum record on a page. @return TRUE if the supremum record */ UNIV_INLINE @@ -595,7 +598,7 @@ page_rec_is_supremum( const rec_t* rec) /*!< in: record */ __attribute__((const)); -/**************************************************************** +/************************************************************//** TRUE if the record is the infimum record on a page. @return TRUE if the infimum record */ UNIV_INLINE @@ -604,7 +607,7 @@ page_rec_is_infimum( /*================*/ const rec_t* rec) /*!< in: record */ __attribute__((const)); -/******************************************************************* +/***************************************************************//** Looks for the record which owns the given record. @return the owner record */ UNIV_INLINE @@ -612,7 +615,7 @@ rec_t* page_rec_find_owner_rec( /*====================*/ rec_t* rec); /*!< in: the physical record */ -/*************************************************************************** +/***********************************************************************//** This is a low-level operation which is used in a database index creation to update the page number of a created B-tree to a data dictionary record. */ @@ -624,7 +627,7 @@ page_rec_write_index_page_no( ulint i, /*!< in: index of the field to update */ ulint page_no,/*!< in: value to write */ mtr_t* mtr); /*!< in: mtr */ -/**************************************************************** +/************************************************************//** Returns the maximum combined size of records which can be inserted on top of record heap. @return maximum combined size for inserted records */ @@ -634,7 +637,7 @@ page_get_max_insert_size( /*=====================*/ const page_t* page, /*!< in: index page */ ulint n_recs);/*!< in: number of records */ -/**************************************************************** +/************************************************************//** Returns the maximum combined size of records which can be inserted on top of record heap if page is first reorganized. @return maximum combined size for inserted records */ @@ -644,7 +647,7 @@ page_get_max_insert_size_after_reorganize( /*======================================*/ const page_t* page, /*!< in: index page */ ulint n_recs);/*!< in: number of records */ -/***************************************************************** +/*************************************************************//** Calculates free space if a page is emptied. @return free space */ UNIV_INLINE @@ -653,7 +656,7 @@ page_get_free_space_of_empty( /*=========================*/ ulint comp) /*!< in: nonzero=compact page format */ __attribute__((const)); -/************************************************************** +/**********************************************************//** Returns the base extra size of a physical record. This is the size of the fixed header, independent of the record size. @return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ @@ -662,7 +665,7 @@ ulint page_rec_get_base_extra_size( /*=========================*/ const rec_t* rec); /*!< in: physical record */ -/**************************************************************** +/************************************************************//** Returns the sum of the sizes of the records in the record list excluding the infimum and supremum records. @return data in bytes */ @@ -671,7 +674,7 @@ ulint page_get_data_size( /*===============*/ const page_t* page); /*!< in: index page */ -/**************************************************************** +/************************************************************//** Allocates a block of memory from the head of the free list of an index page. */ UNIV_INLINE @@ -685,7 +688,7 @@ page_mem_alloc_free( rec_t* next_rec,/*!< in: pointer to the new head of the free record list */ ulint need); /*!< in: number of bytes allocated */ -/**************************************************************** +/************************************************************//** Allocates a block of memory from the heap of an index page. @return pointer to start of allocated buffer, or NULL if allocation fails */ UNIV_INTERN @@ -700,7 +703,7 @@ page_mem_alloc_heap( ulint* heap_no);/*!< out: this contains the heap number of the allocated record if allocation succeeds */ -/**************************************************************** +/************************************************************//** Puts a record to free list. */ UNIV_INLINE void @@ -711,7 +714,7 @@ page_mem_free( rec_t* rec, /*!< in: pointer to the (origin of) record */ dict_index_t* index, /*!< in: index of rec */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** Create an uncompressed B-tree index page. @return pointer to the page */ UNIV_INTERN @@ -722,7 +725,7 @@ page_create( page is created */ mtr_t* mtr, /*!< in: mini-transaction handle */ ulint comp); /*!< in: nonzero=compact page format */ -/************************************************************** +/**********************************************************//** Create a compressed B-tree index page. @return pointer to the page */ UNIV_INTERN @@ -735,7 +738,7 @@ page_create_zip( ulint level, /*!< in: the B-tree level of the page */ mtr_t* mtr); /*!< in: mini-transaction handle */ -/***************************************************************** +/*************************************************************//** Differs from page_copy_rec_list_end, because this function does not touch the lock table and max trx id on page or compress the page. */ UNIV_INTERN @@ -747,11 +750,12 @@ page_copy_rec_list_end_no_locks( rec_t* rec, /*!< in: record on page */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr */ -/***************************************************************** +/*************************************************************//** Copies records from page to new_page, from the given record onward, including that record. Infimum and supremum records are not copied. The records are copied to the start of the record list on new_page. -@return pointer to the original successor of the infimum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ +@return pointer to the original successor of the infimum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_end( @@ -762,11 +766,12 @@ page_copy_rec_list_end( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); -/***************************************************************** +/*************************************************************//** Copies records from page to new_page, up to the given record, NOT including that record. Infimum and supremum records are not copied. The records are copied to the end of the record list on new_page. -@return pointer to the original predecessor of the supremum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ +@return pointer to the original predecessor of the supremum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_start( @@ -777,7 +782,7 @@ page_copy_rec_list_start( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); -/***************************************************************** +/*************************************************************//** Deletes records from a page from a given record onward, including that record. The infimum and supremum records are not deleted. */ UNIV_INTERN @@ -794,7 +799,7 @@ page_delete_rec_list_end( delete, or ULINT_UNDEFINED if not known */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); -/***************************************************************** +/*************************************************************//** Deletes records from page, up to the given record, NOT including that record. Infimum and supremum records are not deleted. */ UNIV_INTERN @@ -806,10 +811,11 @@ page_delete_rec_list_start( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull)); -/***************************************************************** +/*************************************************************//** Moves record list end to another page. Moved records include split_rec. -@return TRUE on success; FALSE on compression failure (new_block will be decompressed) */ +@return TRUE on success; FALSE on compression failure (new_block will +be decompressed) */ UNIV_INTERN ibool page_move_rec_list_end( @@ -820,7 +826,7 @@ page_move_rec_list_end( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull(1, 2, 4, 5))); -/***************************************************************** +/*************************************************************//** Moves record list start to another page. Moved records do not include split_rec. @return TRUE on success; FALSE on compression failure */ @@ -834,7 +840,7 @@ page_move_rec_list_start( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ __attribute__((nonnull(1, 2, 4, 5))); -/******************************************************************** +/****************************************************************//** Splits a directory slot which owns too many records. */ UNIV_INTERN void @@ -845,7 +851,7 @@ page_dir_split_slot( uncompressed part will be written, or NULL */ ulint slot_no)/*!< in: the directory slot */ __attribute__((nonnull(1))); -/***************************************************************** +/*************************************************************//** Tries to balance the given directory slot with too few records with the upper neighbor, so that there are at least the minimum number of records owned by the slot; this may result in the merging of @@ -858,7 +864,7 @@ page_dir_balance_slot( page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ ulint slot_no)/*!< in: the directory slot */ __attribute__((nonnull(1))); -/************************************************************** +/**********************************************************//** Parses a log record of a record list end or start deletion. @return end of log record or NULL */ UNIV_INTERN @@ -874,7 +880,7 @@ page_parse_delete_rec_list( buf_block_t* block, /*!< in/out: buffer block or NULL */ dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr); /*!< in: mtr or NULL */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of creating a page. @return end of log record or NULL */ UNIV_INTERN @@ -886,7 +892,7 @@ page_parse_create( ulint comp, /*!< in: nonzero=compact page format */ buf_block_t* block, /*!< in: block or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ -/**************************************************************** +/************************************************************//** Prints record contents including the data relevant only in the index page context. */ UNIV_INTERN @@ -895,7 +901,7 @@ page_rec_print( /*===========*/ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: record descriptor */ -/******************************************************************* +/***************************************************************//** This is used to print the contents of the directory for debugging purposes. */ UNIV_INTERN @@ -904,7 +910,7 @@ page_dir_print( /*===========*/ page_t* page, /*!< in: index page */ ulint pr_n); /*!< in: print n first and n last entries */ -/******************************************************************* +/***************************************************************//** This is used to print the contents of the page record list for debugging purposes. */ UNIV_INTERN @@ -914,14 +920,14 @@ page_print_list( buf_block_t* block, /*!< in: index page */ dict_index_t* index, /*!< in: dictionary index of the page */ ulint pr_n); /*!< in: print n first and n last entries */ -/******************************************************************* +/***************************************************************//** Prints the info in a page header. */ UNIV_INTERN void page_header_print( /*==============*/ const page_t* page); /*!< in: index page */ -/******************************************************************* +/***************************************************************//** This is used to print the contents of the page for debugging purposes. */ UNIV_INTERN @@ -934,7 +940,7 @@ page_print( in directory */ ulint rn); /*!< in: print rn first and last records in directory */ -/******************************************************************* +/***************************************************************//** The following is used to validate a record on a page. This function differs from rec_validate as it can also check the n_owned field and the heap_no field. @@ -945,7 +951,7 @@ page_rec_validate( /*==============*/ rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Checks that the first directory slot points to the infimum record and the last to the supremum. This function is intended to track if the bug fixed in 4.0.14 has caused corruption to users' databases. */ @@ -954,7 +960,7 @@ void page_check_dir( /*===========*/ const page_t* page); /*!< in: index page */ -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash even if the page is total garbage. @@ -964,7 +970,7 @@ ibool page_simple_validate_old( /*=====================*/ page_t* page); /*!< in: old-style index page */ -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash even if the page is total garbage. @@ -974,7 +980,7 @@ ibool page_simple_validate_new( /*=====================*/ page_t* block); /*!< in: new-style index page */ -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page. @return TRUE if ok */ UNIV_INTERN @@ -984,7 +990,7 @@ page_validate( page_t* page, /*!< in: index page */ dict_index_t* index); /*!< in: data dictionary index containing the page record type definition */ -/******************************************************************* +/***************************************************************//** Looks in the page record list for a record with the given heap number. @return record, NULL if not found */ diff --git a/include/page0page.ic b/include/page0page.ic index f7daa102260..318ec1cc1f2 100644 --- a/include/page0page.ic +++ b/include/page0page.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/page0page.ic Index page routines Created 2/2/1994 Heikki Tuuri @@ -37,7 +38,7 @@ Created 2/2/1994 Heikki Tuuri #define UNIV_INLINE #endif -/**************************************************************** +/************************************************************//** Gets the start of a page. @return start of the page */ UNIV_INLINE @@ -48,7 +49,7 @@ page_align( { return((page_t*) ut_align_down(ptr, UNIV_PAGE_SIZE)); } -/**************************************************************** +/************************************************************//** Gets the offset within a page. @return offset from the start of the page */ UNIV_INLINE @@ -59,7 +60,7 @@ page_offset( { return(ut_align_offset(ptr, UNIV_PAGE_SIZE)); } -/***************************************************************** +/*************************************************************//** Returns the max trx id field value. */ UNIV_INLINE trx_id_t @@ -72,7 +73,7 @@ page_get_max_trx_id( return(mach_read_from_8(page + PAGE_HEADER + PAGE_MAX_TRX_ID)); } -/***************************************************************** +/*************************************************************//** Sets the max trx id field value if trx_id is bigger than the previous value. */ UNIV_INLINE @@ -103,7 +104,7 @@ page_update_max_trx_id( } } -/***************************************************************** +/*************************************************************//** Reads the given header field. */ UNIV_INLINE ulint @@ -118,7 +119,7 @@ page_header_get_field( return(mach_read_from_2(page + PAGE_HEADER + field)); } -/***************************************************************** +/*************************************************************//** Sets the given header field. */ UNIV_INLINE void @@ -142,7 +143,7 @@ page_header_set_field( } } -/***************************************************************** +/*************************************************************//** Returns the offset stored in the given header field. @return offset from the start of the page, or 0 */ UNIV_INLINE @@ -166,7 +167,7 @@ page_header_get_offs( return(offs); } -/***************************************************************** +/*************************************************************//** Sets the pointer stored in the given header field. */ UNIV_INLINE void @@ -197,7 +198,7 @@ page_header_set_ptr( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Resets the last insert info field in the page header. Writes to mlog about this operation. */ UNIV_INLINE @@ -223,9 +224,10 @@ page_header_reset_last_insert( } #endif /* !UNIV_HOTBACKUP */ -/**************************************************************** +/************************************************************//** Determine whether the page is in new-style compact format. -@return nonzero if the page is in compact format, zero if it is in old-style format */ +@return nonzero if the page is in compact format, zero if it is in +old-style format */ UNIV_INLINE ulint page_is_comp( @@ -236,7 +238,7 @@ page_is_comp( 0x8000)); } -/**************************************************************** +/************************************************************//** TRUE if the record is on a page in compact format. @return nonzero if in compact format */ UNIV_INLINE @@ -248,7 +250,7 @@ page_rec_is_comp( return(page_is_comp(page_align(rec))); } -/******************************************************************* +/***************************************************************//** Returns the heap number of a record. @return heap number */ UNIV_INLINE @@ -264,7 +266,7 @@ page_rec_get_heap_no( } } -/**************************************************************** +/************************************************************//** Determine whether the page is a B-tree leaf. @return TRUE if the page is a B-tree leaf */ UNIV_INLINE @@ -276,7 +278,7 @@ page_is_leaf( return(!*(const uint16*) (page + (PAGE_HEADER + PAGE_LEVEL))); } -/**************************************************************** +/************************************************************//** Gets the offset of the first record on the page. @return offset of the first record in record list, relative from page */ UNIV_INLINE @@ -295,7 +297,7 @@ page_get_infimum_offset( } } -/**************************************************************** +/************************************************************//** Gets the offset of the last record on the page. @return offset of the last record in record list, relative from page */ UNIV_INLINE @@ -314,7 +316,7 @@ page_get_supremum_offset( } } -/**************************************************************** +/************************************************************//** TRUE if the record is a user record on the page. @return TRUE if a user record */ UNIV_INLINE @@ -350,7 +352,7 @@ page_rec_is_user_rec_low( && UNIV_LIKELY(offset != PAGE_OLD_SUPREMUM)); } -/**************************************************************** +/************************************************************//** TRUE if the record is the supremum record on a page. @return TRUE if the supremum record */ UNIV_INLINE @@ -366,7 +368,7 @@ page_rec_is_supremum_low( || UNIV_UNLIKELY(offset == PAGE_OLD_SUPREMUM)); } -/**************************************************************** +/************************************************************//** TRUE if the record is the infimum record on a page. @return TRUE if the infimum record */ UNIV_INLINE @@ -382,7 +384,7 @@ page_rec_is_infimum_low( || UNIV_UNLIKELY(offset == PAGE_OLD_INFIMUM)); } -/**************************************************************** +/************************************************************//** TRUE if the record is a user record on the page. @return TRUE if a user record */ UNIV_INLINE @@ -394,7 +396,7 @@ page_rec_is_user_rec( return(page_rec_is_user_rec_low(page_offset(rec))); } -/**************************************************************** +/************************************************************//** TRUE if the record is the supremum record on a page. @return TRUE if the supremum record */ UNIV_INLINE @@ -406,7 +408,7 @@ page_rec_is_supremum( return(page_rec_is_supremum_low(page_offset(rec))); } -/**************************************************************** +/************************************************************//** TRUE if the record is the infimum record on a page. @return TRUE if the infimum record */ UNIV_INLINE @@ -419,13 +421,14 @@ page_rec_is_infimum( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Compares a data tuple to a physical record. Differs from the function cmp_dtuple_rec_with_match in the way that the record must reside on an index page, and also page infimum and supremum records can be given in the parameter rec. These are considered as the negative infinity and the positive infinity in the alphabetical order. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ UNIV_INLINE int page_cmp_dtuple_rec_with_match( @@ -467,7 +470,7 @@ page_cmp_dtuple_rec_with_match( } #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Gets the page number. @return page number */ UNIV_INLINE @@ -480,7 +483,7 @@ page_get_page_no( return(mach_read_from_4(page + FIL_PAGE_OFFSET)); } -/***************************************************************** +/*************************************************************//** Gets the tablespace identifier. @return space id */ UNIV_INLINE @@ -493,7 +496,7 @@ page_get_space_id( return(mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); } -/***************************************************************** +/*************************************************************//** Gets the number of user records on page (infimum and supremum records are not user records). @return number of user records */ @@ -506,7 +509,7 @@ page_get_n_recs( return(page_header_get_field(page, PAGE_N_RECS)); } -/***************************************************************** +/*************************************************************//** Gets the number of dir slots in directory. @return number of slots */ UNIV_INLINE @@ -517,7 +520,7 @@ page_dir_get_n_slots( { return(page_header_get_field(page, PAGE_N_DIR_SLOTS)); } -/***************************************************************** +/*************************************************************//** Sets the number of dir slots in directory. */ UNIV_INLINE void @@ -531,7 +534,7 @@ page_dir_set_n_slots( page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots); } -/***************************************************************** +/*************************************************************//** Gets the number of records in the heap. @return number of user records */ UNIV_INLINE @@ -543,7 +546,7 @@ page_dir_get_n_heap( return(page_header_get_field(page, PAGE_N_HEAP) & 0x7fff); } -/***************************************************************** +/*************************************************************//** Sets the number of records in the heap. */ UNIV_INLINE void @@ -567,7 +570,7 @@ page_dir_set_n_heap( } #ifdef UNIV_DEBUG -/***************************************************************** +/*************************************************************//** Gets pointer to nth directory slot. @return pointer to dir slot */ UNIV_INLINE @@ -585,7 +588,7 @@ page_dir_get_nth_slot( } #endif /* UNIV_DEBUG */ -/****************************************************************** +/**************************************************************//** Used to check the consistency of a record on a page. @return TRUE if succeed */ UNIV_INLINE @@ -604,7 +607,7 @@ page_rec_check( return(TRUE); } -/******************************************************************* +/***************************************************************//** Gets the record pointed to by a directory slot. @return pointer to record */ UNIV_INLINE @@ -616,7 +619,7 @@ page_dir_slot_get_rec( return(page_align(slot) + mach_read_from_2(slot)); } -/******************************************************************* +/***************************************************************//** This is used to set the record offset in a directory slot. */ UNIV_INLINE void @@ -630,7 +633,7 @@ page_dir_slot_set_rec( mach_write_to_2(slot, page_offset(rec)); } -/******************************************************************* +/***************************************************************//** Gets the number of records owned by a directory slot. @return number of records */ UNIV_INLINE @@ -647,7 +650,7 @@ page_dir_slot_get_n_owned( } } -/******************************************************************* +/***************************************************************//** This is used to set the owned records field of a directory slot. */ UNIV_INLINE void @@ -666,7 +669,7 @@ page_dir_slot_set_n_owned( } } -/**************************************************************** +/************************************************************//** Calculates the space reserved for directory slots of a given number of records. The exact value is a fraction number n * PAGE_DIR_SLOT_SIZE / PAGE_DIR_SLOT_MIN_N_OWNED, and it is rounded upwards to an integer. */ @@ -680,7 +683,7 @@ page_dir_calc_reserved_space( / PAGE_DIR_SLOT_MIN_N_OWNED); } -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -721,7 +724,7 @@ page_rec_get_next_low( return(page + offs); } -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -733,7 +736,7 @@ page_rec_get_next( return((rec_t*) page_rec_get_next_low(rec, page_rec_is_comp(rec))); } -/**************************************************************** +/************************************************************//** Gets the pointer to the next record on the page. @return pointer to next record */ UNIV_INLINE @@ -745,7 +748,7 @@ page_rec_get_next_const( return(page_rec_get_next_low(rec, page_rec_is_comp(rec))); } -/**************************************************************** +/************************************************************//** Sets the pointer to the next record on the page. */ UNIV_INLINE void @@ -778,7 +781,7 @@ page_rec_set_next( } } -/**************************************************************** +/************************************************************//** Gets the pointer to the previous record. @return pointer to previous record */ UNIV_INLINE @@ -825,7 +828,7 @@ page_rec_get_prev_const( return(prev_rec); } -/**************************************************************** +/************************************************************//** Gets the pointer to the previous record. @return pointer to previous record */ UNIV_INLINE @@ -838,7 +841,7 @@ page_rec_get_prev( return((rec_t*) page_rec_get_prev_const(rec)); } -/******************************************************************* +/***************************************************************//** Looks for the record which owns the given record. @return the owner record */ UNIV_INLINE @@ -862,7 +865,7 @@ page_rec_find_owner_rec( return(rec); } -/************************************************************** +/**********************************************************//** Returns the base extra size of a physical record. This is the size of the fixed header, independent of the record size. @return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ @@ -878,7 +881,7 @@ page_rec_get_base_extra_size( return(REC_N_NEW_EXTRA_BYTES + (ulint) !page_rec_is_comp(rec)); } -/**************************************************************** +/************************************************************//** Returns the sum of the sizes of the records in the record list, excluding the infimum and supremum records. @return data in bytes */ @@ -902,7 +905,7 @@ page_get_data_size( } -/**************************************************************** +/************************************************************//** Allocates a block of memory from the free list of an index page. */ UNIV_INTERN void @@ -935,7 +938,7 @@ page_mem_alloc_free( page_header_set_field(page, page_zip, PAGE_GARBAGE, garbage - need); } -/***************************************************************** +/*************************************************************//** Calculates free space if a page is emptied. @return free space */ UNIV_INLINE @@ -957,7 +960,7 @@ page_get_free_space_of_empty( - 2 * PAGE_DIR_SLOT_SIZE)); } -/**************************************************************** +/************************************************************//** Each user record on a page, and also the deleted user records in the heap takes its size plus the fraction of the dir cell size / PAGE_DIR_SLOT_MIN_N_OWNED bytes for it. If the sum of these exceeds the @@ -1003,7 +1006,7 @@ page_get_max_insert_size( return(free_space - occupied); } -/**************************************************************** +/************************************************************//** Returns the maximum combined size of records which can be inserted on top of the record heap if a page is first reorganized. @return maximum combined size for inserted records */ @@ -1030,7 +1033,7 @@ page_get_max_insert_size_after_reorganize( return(free_space - occupied); } -/**************************************************************** +/************************************************************//** Puts a record to free list. */ UNIV_INLINE void diff --git a/include/page0types.h b/include/page0types.h index a789a78b135..d9a277bf208 100644 --- a/include/page0types.h +++ b/include/page0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/page0types.h Index page routines Created 2/2/1994 Heikki Tuuri @@ -29,46 +30,52 @@ Created 2/2/1994 Heikki Tuuri #include "dict0types.h" #include "mtr0types.h" -/* Type of the index page */ -/* The following define eliminates a name collision on HP-UX */ +/** Eliminates a name collision on HP-UX */ #define page_t ib_page_t +/** Type of the index page */ typedef byte page_t; -typedef struct page_search_struct page_search_t; +/** Index page cursor */ typedef struct page_cur_struct page_cur_t; +/** Compressed index page */ typedef byte page_zip_t; +/** Compressed page descriptor */ typedef struct page_zip_des_struct page_zip_des_t; /* The following definitions would better belong to page0zip.h, but we cannot include page0zip.h from rem0rec.ic, because page0*.h includes rem0rec.h and may include rem0rec.ic. */ +/** Number of bits needed for representing different compressed page sizes */ #define PAGE_ZIP_SSIZE_BITS 3 -#define PAGE_ZIP_MIN_SIZE_SHIFT 10 /* log2 of smallest compressed size */ +/** log2 of smallest compressed page size */ +#define PAGE_ZIP_MIN_SIZE_SHIFT 10 +/** Smallest compressed page size */ #define PAGE_ZIP_MIN_SIZE (1 << PAGE_ZIP_MIN_SIZE_SHIFT) +/** Number of supported compressed page sizes */ #define PAGE_ZIP_NUM_SSIZE (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 2) #if PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS) # error "PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS)" #endif -/* Compressed page descriptor */ +/** Compressed page descriptor */ struct page_zip_des_struct { - page_zip_t* data; /* compressed page data */ + page_zip_t* data; /*!< compressed page data */ #ifdef UNIV_DEBUG - unsigned m_start:16; /* start offset of modification log */ + unsigned m_start:16; /*!< start offset of modification log */ #endif /* UNIV_DEBUG */ - unsigned m_end:16; /* end offset of modification log */ - unsigned m_nonempty:1; /* TRUE if the modification log + unsigned m_end:16; /*!< end offset of modification log */ + unsigned m_nonempty:1; /*!< TRUE if the modification log is not empty */ - unsigned n_blobs:12; /* number of externally stored + unsigned n_blobs:12; /*!< number of externally stored columns on the page; the maximum is 744 on a 16 KiB page */ unsigned ssize:PAGE_ZIP_SSIZE_BITS; - /* 0 or compressed page size; + /*!< 0 or compressed page size; the size in bytes is PAGE_ZIP_MIN_SIZE << (ssize - 1). */ }; @@ -87,12 +94,13 @@ struct page_zip_stat_struct { ib_uint64_t decompressed_usec; }; +/** Compression statistics */ typedef struct page_zip_stat_struct page_zip_stat_t; -/** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ +/** Statistics on compression, indexed by page_zip_des_struct::ssize - 1 */ extern page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; -/************************************************************************** +/**********************************************************************//** Write the "deleted" flag of a record on a compressed page. The flag must already have been written on the uncompressed page. */ UNIV_INTERN @@ -104,7 +112,7 @@ page_zip_rec_set_deleted( ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Write the "owned" flag of a record on a compressed page. The n_owned field must already have been written on the uncompressed page. */ UNIV_INTERN @@ -116,7 +124,7 @@ page_zip_rec_set_owned( ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Shift the dense page directory when a record is deleted. */ UNIV_INTERN void @@ -129,7 +137,7 @@ page_zip_dir_delete( const byte* free) /*!< in: previous start of the free list */ __attribute__((nonnull(1,2,3,4))); -/************************************************************************** +/**********************************************************************//** Add a slot to the dense page directory. */ UNIV_INTERN void diff --git a/include/page0zip.h b/include/page0zip.h index dcf036f30de..c860136905f 100644 --- a/include/page0zip.h +++ b/include/page0zip.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/page0zip.h Compressed page interface Created June 2005 by Marko Makela @@ -37,7 +38,7 @@ Created June 2005 by Marko Makela #include "trx0types.h" #include "mem0mem.h" -/************************************************************************** +/**********************************************************************//** Determine the size of a compressed page in bytes. @return size in bytes */ UNIV_INLINE @@ -46,7 +47,7 @@ page_zip_get_size( /*==============*/ const page_zip_des_t* page_zip) /*!< in: compressed page */ __attribute__((nonnull, pure)); -/************************************************************************** +/**********************************************************************//** Set the size of a compressed page in bytes. */ UNIV_INLINE void @@ -56,7 +57,7 @@ page_zip_set_size( ulint size); /*!< in: size in bytes */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Determine if a record is so big that it needs to be stored externally. @return FALSE if the entire record can be stored locally on the page */ UNIV_INLINE @@ -70,7 +71,7 @@ page_zip_rec_needs_ext( ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ __attribute__((const)); -/************************************************************************** +/**********************************************************************//** Determine the guaranteed free space on an empty page. @return minimum payload size on the page */ UNIV_INTERN @@ -82,7 +83,7 @@ page_zip_empty_size( __attribute__((const)); #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Initialize a compressed page descriptor. */ UNIV_INLINE void @@ -91,7 +92,7 @@ page_zip_des_init( page_zip_des_t* page_zip); /*!< in/out: compressed page descriptor */ -/************************************************************************** +/**********************************************************************//** Configure the zlib allocator to use the given memory heap. */ UNIV_INTERN void @@ -100,9 +101,10 @@ page_zip_set_alloc( void* stream, /*!< in/out: zlib stream */ mem_heap_t* heap); /*!< in: memory heap to use */ -/************************************************************************** +/**********************************************************************//** Compress a page. -@return TRUE on success, FALSE on failure; page_zip will be left intact on failure. */ +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure. */ UNIV_INTERN ibool page_zip_compress( @@ -114,7 +116,7 @@ page_zip_compress( mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2,3))); -/************************************************************************** +/**********************************************************************//** Decompress a page. This function should tolerate errors on the compressed page. Instead of letting assertions fail, it will return FALSE if an inconsistency is detected. @@ -129,7 +131,7 @@ page_zip_decompress( __attribute__((nonnull)); #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Validate a compressed page descriptor. @return TRUE if ok */ UNIV_INLINE @@ -141,7 +143,7 @@ page_zip_simple_validate( #endif /* UNIV_DEBUG */ #ifdef UNIV_ZIP_DEBUG -/************************************************************************** +/**********************************************************************//** Check that the compressed and decompressed pages match. @return TRUE if valid, FALSE if not */ UNIV_INTERN @@ -153,7 +155,7 @@ page_zip_validate_low( ibool sloppy) /*!< in: FALSE=strict, TRUE=ignore the MIN_REC_FLAG */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Check that the compressed and decompressed pages match. */ UNIV_INTERN ibool @@ -164,9 +166,10 @@ page_zip_validate( __attribute__((nonnull)); #endif /* UNIV_ZIP_DEBUG */ -/************************************************************************** +/**********************************************************************//** Determine how big record can be inserted without recompressing the page. -@return a positive number indicating the maximum size of a record whose insertion is guaranteed to succeed, or zero or negative */ +@return a positive number indicating the maximum size of a record +whose insertion is guaranteed to succeed, or zero or negative */ UNIV_INLINE lint page_zip_max_ins_size( @@ -175,7 +178,7 @@ page_zip_max_ins_size( ibool is_clust)/*!< in: TRUE if clustered index */ __attribute__((nonnull, pure)); -/************************************************************************** +/**********************************************************************//** Determine if enough space is available in the modification log. @return TRUE if page_zip_write_rec() will succeed */ UNIV_INLINE @@ -189,7 +192,7 @@ page_zip_available( the heap */ __attribute__((nonnull, pure)); -/************************************************************************** +/**********************************************************************//** Write data to the uncompressed header portion of a page. The data must already have been written to the uncompressed page. */ UNIV_INLINE @@ -202,7 +205,7 @@ page_zip_write_header( mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); -/************************************************************************** +/**********************************************************************//** Write an entire record on the compressed page. The data must already have been written to the uncompressed page. */ UNIV_INTERN @@ -216,7 +219,7 @@ page_zip_write_rec( ulint create) /*!< in: nonzero=insert, zero=update */ __attribute__((nonnull)); -/*************************************************************** +/***********************************************************//** Parses a log record of writing a BLOB pointer of a record. @return end of log record or NULL */ UNIV_INTERN @@ -228,7 +231,7 @@ page_zip_parse_write_blob_ptr( page_t* page, /*!< in/out: uncompressed page */ page_zip_des_t* page_zip);/*!< in/out: compressed page */ -/************************************************************************** +/**********************************************************************//** Write a BLOB pointer of a record on the leaf page of a clustered index. The information must already have been updated on the uncompressed page. */ UNIV_INTERN @@ -245,7 +248,7 @@ page_zip_write_blob_ptr( or NULL if no logging is needed */ __attribute__((nonnull(1,2,3,4))); -/*************************************************************** +/***********************************************************//** Parses a log record of writing the node pointer of a record. @return end of log record or NULL */ UNIV_INTERN @@ -257,7 +260,7 @@ page_zip_parse_write_node_ptr( page_t* page, /*!< in/out: uncompressed page */ page_zip_des_t* page_zip);/*!< in/out: compressed page */ -/************************************************************************** +/**********************************************************************//** Write the node pointer of a record on a non-leaf compressed page. */ UNIV_INTERN void @@ -270,7 +273,7 @@ page_zip_write_node_ptr( mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); -/************************************************************************** +/**********************************************************************//** Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ UNIV_INTERN void @@ -284,7 +287,7 @@ page_zip_write_trx_id_and_roll_ptr( roll_ptr_t roll_ptr)/*!< in: roll_ptr */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Write the "deleted" flag of a record on a compressed page. The flag must already have been written on the uncompressed page. */ UNIV_INTERN @@ -296,7 +299,7 @@ page_zip_rec_set_deleted( ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Write the "owned" flag of a record on a compressed page. The n_owned field must already have been written on the uncompressed page. */ UNIV_INTERN @@ -308,7 +311,7 @@ page_zip_rec_set_owned( ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ __attribute__((nonnull)); -/************************************************************************** +/**********************************************************************//** Insert a record to the dense page directory. */ UNIV_INTERN void @@ -320,7 +323,7 @@ page_zip_dir_insert( allocated, or NULL */ byte* rec); /*!< in: record to insert */ -/************************************************************************** +/**********************************************************************//** Shift the dense page directory and the array of BLOB pointers when a record is deleted. */ UNIV_INTERN @@ -334,7 +337,7 @@ page_zip_dir_delete( const byte* free) /*!< in: previous start of the free list */ __attribute__((nonnull(1,2,3,4))); -/************************************************************************** +/**********************************************************************//** Add a slot to the dense page directory. */ UNIV_INTERN void @@ -345,7 +348,7 @@ page_zip_dir_add_slot( zero for others */ __attribute__((nonnull)); -/*************************************************************** +/***********************************************************//** Parses a log record of writing to the header of a page. @return end of log record or NULL */ UNIV_INTERN @@ -357,7 +360,7 @@ page_zip_parse_write_header( page_t* page, /*!< in/out: uncompressed page */ page_zip_des_t* page_zip);/*!< in/out: compressed page */ -/************************************************************************** +/**********************************************************************//** Write data to the uncompressed header portion of a page. The data must already have been written to the uncompressed page. However, the data portion of the uncompressed page may differ from @@ -373,7 +376,7 @@ page_zip_write_header( mtr_t* mtr) /*!< in: mini-transaction, or NULL */ __attribute__((nonnull(1,2))); -/************************************************************************** +/**********************************************************************//** Reorganize and compress a page. This is a low-level operation for compressed pages, to be used when page_zip_compress() fails. On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. @@ -382,7 +385,8 @@ IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the modification will be redo-logged. -@return TRUE on success, FALSE on failure; page and page_zip will be left intact on failure. */ +@return TRUE on success, FALSE on failure; page and page_zip will be +left intact on failure. */ UNIV_INTERN ibool page_zip_reorganize( @@ -395,7 +399,7 @@ page_zip_reorganize( mtr_t* mtr) /*!< in: mini-transaction */ __attribute__((nonnull)); #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly related to the storage of records. Also copy PAGE_MAX_TRX_ID. @@ -415,7 +419,7 @@ page_zip_copy_recs( __attribute__((nonnull(1,2,3,4))); #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Parses a log record of compressing an index page. @return end of log record or NULL */ UNIV_INTERN @@ -428,7 +432,7 @@ page_zip_parse_compress( page_zip_des_t* page_zip)/*!< out: compressed page */ __attribute__((nonnull(1,2))); -/************************************************************************** +/**********************************************************************//** Calculate the compressed page checksum. @return page checksum */ UNIV_INTERN diff --git a/include/page0zip.ic b/include/page0zip.ic index 12c389cb6f1..cb819030572 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/page0zip.ic Compressed page interface Created June 2005 by Marko Makela @@ -108,7 +109,7 @@ In summary, the compressed page looks like this: /* 'deleted' flag */ #define PAGE_ZIP_DIR_SLOT_DEL 0x8000 -/************************************************************************** +/**********************************************************************//** Determine the size of a compressed page in bytes. @return size in bytes */ UNIV_INLINE @@ -130,7 +131,7 @@ page_zip_get_size( return(size); } -/************************************************************************** +/**********************************************************************//** Set the size of a compressed page in bytes. */ UNIV_INLINE void @@ -156,7 +157,7 @@ page_zip_set_size( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Determine if a record is so big that it needs to be stored externally. @return FALSE if the entire record can be stored locally on the page */ UNIV_INLINE @@ -197,7 +198,7 @@ page_zip_rec_needs_ext( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Validate a compressed page descriptor. @return TRUE if ok */ UNIV_INLINE @@ -219,9 +220,10 @@ page_zip_simple_validate( } #endif /* UNIV_DEBUG */ -/************************************************************************** +/**********************************************************************//** Determine if the length of the page trailer. -@return length of the page trailer, in bytes, not including the terminating zero byte of the modification log */ +@return length of the page trailer, in bytes, not including the +terminating zero byte of the modification log */ UNIV_INLINE ibool page_zip_get_trailer_len( @@ -257,9 +259,10 @@ page_zip_get_trailer_len( + page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE); } -/************************************************************************** +/**********************************************************************//** Determine how big record can be inserted without recompressing the page. -@return a positive number indicating the maximum size of a record whose insertion is guaranteed to succeed, or zero or negative */ +@return a positive number indicating the maximum size of a record +whose insertion is guaranteed to succeed, or zero or negative */ UNIV_INLINE lint page_zip_max_ins_size( @@ -287,7 +290,7 @@ page_zip_max_ins_size( - (REC_N_NEW_EXTRA_BYTES - 2)); } -/************************************************************************** +/**********************************************************************//** Determine if enough space is available in the modification log. @return TRUE if enough space is available */ UNIV_INLINE @@ -329,7 +332,7 @@ page_zip_available( < page_zip_get_size(page_zip))); } -/************************************************************************** +/**********************************************************************//** Initialize a compressed page descriptor. */ UNIV_INLINE void @@ -341,7 +344,7 @@ page_zip_des_init( memset(page_zip, 0, sizeof *page_zip); } -/************************************************************************** +/**********************************************************************//** Write a log record of writing to the uncompressed header portion of a page. */ UNIV_INTERN void @@ -351,7 +354,7 @@ page_zip_write_header_log( ulint length, /*!< in: length of the data */ mtr_t* mtr); /*!< in: mini-transaction */ -/************************************************************************** +/**********************************************************************//** Write data to the uncompressed header portion of a page. The data must already have been written to the uncompressed page. However, the data portion of the uncompressed page may differ from diff --git a/include/pars0opt.h b/include/pars0opt.h index e824cda35b1..42d956068f8 100644 --- a/include/pars0opt.h +++ b/include/pars0opt.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0opt.h Simple SQL optimizer Created 12/21/1997 Heikki Tuuri @@ -32,7 +33,7 @@ Created 12/21/1997 Heikki Tuuri #include "dict0types.h" #include "row0sel.h" -/*********************************************************************** +/*******************************************************************//** Optimizes a select. Decides which indexes to tables to use. The tables are accessed in the order that they were written to the FROM part in the select statement. */ @@ -41,7 +42,7 @@ void opt_search_plan( /*============*/ sel_node_t* sel_node); /*!< in: parsed select node */ -/*********************************************************************** +/*******************************************************************//** Looks for occurrences of the columns of the table in the query subgraph and adds them to the list of columns if an occurrence of the same column does not already exist in the list. If the column is already in the list, puts a value @@ -59,7 +60,7 @@ opt_find_all_cols( to add new found columns */ plan_t* plan, /*!< in: plan or NULL */ que_node_t* exp); /*!< in: expression or condition */ -/************************************************************************ +/********************************************************************//** Prints info of a query plan. */ UNIV_INTERN void diff --git a/include/pars0opt.ic b/include/pars0opt.ic index 35653453b30..e0bb6bf1af2 100644 --- a/include/pars0opt.ic +++ b/include/pars0opt.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0opt.ic Simple SQL optimizer Created 12/21/1997 Heikki Tuuri diff --git a/include/pars0pars.h b/include/pars0pars.h index 302587292d5..a7de7f2292e 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0pars.h SQL parser Created 11/19/1996 Heikki Tuuri @@ -33,18 +34,19 @@ Created 11/19/1996 Heikki Tuuri #include "trx0types.h" #include "ut0vec.h" -/* Type of the user functions. The first argument is always InnoDB-supplied +/** Type of the user functions. The first argument is always InnoDB-supplied and varies in type, while 'user_arg' is a user-supplied argument. The meaning of the return type also varies. See the individual use cases, e.g. the FETCH statement, for details on them. */ typedef void* (*pars_user_func_cb_t)(void* arg, void* user_arg); +/** If the following is set TRUE, the parser will emit debugging +information */ extern int yydebug; -/* If the following is set TRUE, the lexer will print the SQL string -as it tokenizes it */ - #ifdef UNIV_SQL_DEBUG +/** If the following is set TRUE, the lexer will print the SQL string +as it tokenizes it */ extern ibool pars_print_lexed; #endif /* UNIV_SQL_DEBUG */ @@ -93,7 +95,7 @@ extern ulint pars_star_denoter; int yyparse(void); -/***************************************************************** +/*************************************************************//** Parses an SQL string returning the query graph. @return own: the query graph */ UNIV_INTERN @@ -102,7 +104,7 @@ pars_sql( /*=====*/ pars_info_t* info, /*!< in: extra information, or NULL */ const char* str); /*!< in: SQL string */ -/***************************************************************** +/*************************************************************//** Retrieves characters to the lexical analyzer. */ UNIV_INTERN void @@ -112,14 +114,14 @@ pars_get_lex_chars( int* result, /*!< out: number of characters copied or EOF */ int max_size); /*!< in: maximum number of characters which fit in the buffer */ -/***************************************************************** +/*************************************************************//** Called by yyparse on error. */ UNIV_INTERN void yyerror( /*====*/ const char* s); /*!< in: error message string */ -/************************************************************************* +/*********************************************************************//** Parses a variable declaration. @return own: symbol table node of type SYM_VAR */ UNIV_INTERN @@ -129,7 +131,7 @@ pars_variable_declaration( sym_node_t* node, /*!< in: symbol table node allocated for the id of the variable */ pars_res_word_t* type); /*!< in: pointer to a type token */ -/************************************************************************* +/*********************************************************************//** Parses a function expression. @return own: function node in a query tree */ UNIV_INTERN @@ -138,7 +140,7 @@ pars_func( /*======*/ que_node_t* res_word,/*!< in: function name reserved word */ que_node_t* arg); /*!< in: first argument in the argument list */ -/************************************************************************* +/*********************************************************************//** Parses an operator expression. @return own: function node in a query tree */ UNIV_INTERN @@ -149,7 +151,7 @@ pars_op( que_node_t* arg1, /*!< in: first argument */ que_node_t* arg2); /*!< in: second argument or NULL for an unary operator */ -/************************************************************************* +/*********************************************************************//** Parses an ORDER BY clause. Order by a single column only is supported. @return own: order-by node in a query tree */ UNIV_INTERN @@ -158,7 +160,7 @@ pars_order_by( /*==========*/ sym_node_t* column, /*!< in: column name */ pars_res_word_t* asc); /*!< in: &pars_asc_token or pars_desc_token */ -/************************************************************************* +/*********************************************************************//** Parses a select list; creates a query graph node for the whole SELECT statement. @return own: select node in a query tree */ @@ -168,7 +170,7 @@ pars_select_list( /*=============*/ que_node_t* select_list, /*!< in: select list */ sym_node_t* into_list); /*!< in: variables list or NULL */ -/************************************************************************* +/*********************************************************************//** Parses a cursor declaration. @return sym_node */ UNIV_INTERN @@ -178,7 +180,7 @@ pars_cursor_declaration( sym_node_t* sym_node, /*!< in: cursor id node in the symbol table */ sel_node_t* select_node); /*!< in: select node */ -/************************************************************************* +/*********************************************************************//** Parses a function declaration. @return sym_node */ UNIV_INTERN @@ -187,7 +189,7 @@ pars_function_declaration( /*======================*/ sym_node_t* sym_node); /*!< in: function id node in the symbol table */ -/************************************************************************* +/*********************************************************************//** Parses a select statement. @return own: select node in a query tree */ UNIV_INTERN @@ -202,7 +204,7 @@ pars_select_statement( pars_res_word_t* consistent_read,/*!< in: NULL or &pars_consistent_token */ order_node_t* order_by); /*!< in: NULL or an order-by node */ -/************************************************************************* +/*********************************************************************//** Parses a column assignment in an update. @return column assignment node */ UNIV_INTERN @@ -211,7 +213,7 @@ pars_column_assignment( /*===================*/ sym_node_t* column, /*!< in: column to assign */ que_node_t* exp); /*!< in: value to assign */ -/************************************************************************* +/*********************************************************************//** Parses a delete or update statement start. @return own: update node in a query tree */ UNIV_INTERN @@ -222,7 +224,7 @@ pars_update_statement_start( sym_node_t* table_sym, /*!< in: table name node */ col_assign_node_t* col_assign_list);/*!< in: column assignment list, NULL if delete */ -/************************************************************************* +/*********************************************************************//** Parses an update or delete statement. @return own: update node in a query tree */ UNIV_INTERN @@ -233,7 +235,7 @@ pars_update_statement( sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in the symbol table or NULL */ que_node_t* search_cond); /*!< in: search condition or NULL */ -/************************************************************************* +/*********************************************************************//** Parses an insert statement. @return own: update node in a query tree */ UNIV_INTERN @@ -243,7 +245,7 @@ pars_insert_statement( sym_node_t* table_sym, /*!< in: table name node */ que_node_t* values_list, /*!< in: value expression list or NULL */ sel_node_t* select); /*!< in: select condition or NULL */ -/************************************************************************* +/*********************************************************************//** Parses a procedure parameter declaration. @return own: symbol table node of type SYM_VAR */ UNIV_INTERN @@ -255,7 +257,7 @@ pars_parameter_declaration( ulint param_type, /*!< in: PARS_INPUT or PARS_OUTPUT */ pars_res_word_t* type); /*!< in: pointer to a type token */ -/************************************************************************* +/*********************************************************************//** Parses an elsif element. @return elsif node */ UNIV_INTERN @@ -264,7 +266,7 @@ pars_elsif_element( /*===============*/ que_node_t* cond, /*!< in: if-condition */ que_node_t* stat_list); /*!< in: statement list */ -/************************************************************************* +/*********************************************************************//** Parses an if-statement. @return if-statement node */ UNIV_INTERN @@ -274,7 +276,7 @@ pars_if_statement( que_node_t* cond, /*!< in: if-condition */ que_node_t* stat_list, /*!< in: statement list */ que_node_t* else_part); /*!< in: else-part statement list */ -/************************************************************************* +/*********************************************************************//** Parses a for-loop-statement. @return for-statement node */ UNIV_INTERN @@ -285,7 +287,7 @@ pars_for_statement( que_node_t* loop_start_limit,/*!< in: loop start expression */ que_node_t* loop_end_limit, /*!< in: loop end expression */ que_node_t* stat_list); /*!< in: statement list */ -/************************************************************************* +/*********************************************************************//** Parses a while-statement. @return while-statement node */ UNIV_INTERN @@ -294,21 +296,21 @@ pars_while_statement( /*=================*/ que_node_t* cond, /*!< in: while-condition */ que_node_t* stat_list); /*!< in: statement list */ -/************************************************************************* +/*********************************************************************//** Parses an exit statement. @return exit statement node */ UNIV_INTERN exit_node_t* pars_exit_statement(void); /*=====================*/ -/************************************************************************* +/*********************************************************************//** Parses a return-statement. @return return-statement node */ UNIV_INTERN return_node_t* pars_return_statement(void); /*=======================*/ -/************************************************************************* +/*********************************************************************//** Parses a procedure call. @return function node */ UNIV_INTERN @@ -317,7 +319,7 @@ pars_procedure_call( /*================*/ que_node_t* res_word,/*!< in: procedure name reserved word */ que_node_t* args); /*!< in: argument list */ -/************************************************************************* +/*********************************************************************//** Parses an assignment statement. @return assignment statement node */ UNIV_INTERN @@ -326,7 +328,7 @@ pars_assignment_statement( /*======================*/ sym_node_t* var, /*!< in: variable to assign */ que_node_t* val); /*!< in: value to assign */ -/************************************************************************* +/*********************************************************************//** Parses a fetch statement. into_list or user_func (but not both) must be non-NULL. @return fetch statement node */ @@ -337,7 +339,7 @@ pars_fetch_statement( sym_node_t* cursor, /*!< in: cursor node */ sym_node_t* into_list, /*!< in: variables to set, or NULL */ sym_node_t* user_func); /*!< in: user function name, or NULL */ -/************************************************************************* +/*********************************************************************//** Parses an open or close cursor statement. @return fetch statement node */ UNIV_INTERN @@ -347,7 +349,7 @@ pars_open_statement( ulint type, /*!< in: ROW_SEL_OPEN_CURSOR or ROW_SEL_CLOSE_CURSOR */ sym_node_t* cursor); /*!< in: cursor node */ -/************************************************************************* +/*********************************************************************//** Parses a row_printf-statement. @return row_printf-statement node */ UNIV_INTERN @@ -355,21 +357,21 @@ row_printf_node_t* pars_row_printf_statement( /*======================*/ sel_node_t* sel_node); /*!< in: select node */ -/************************************************************************* +/*********************************************************************//** Parses a commit statement. @return own: commit node struct */ UNIV_INTERN commit_node_t* pars_commit_statement(void); /*=======================*/ -/************************************************************************* +/*********************************************************************//** Parses a rollback statement. @return own: rollback node struct */ UNIV_INTERN roll_node_t* pars_rollback_statement(void); /*=========================*/ -/************************************************************************* +/*********************************************************************//** Parses a column definition at a table creation. @return column sym table node */ UNIV_INTERN @@ -385,7 +387,7 @@ pars_column_def( is of type UNSIGNED. */ void* is_not_null); /*!< in: if not NULL, column is of type NOT NULL. */ -/************************************************************************* +/*********************************************************************//** Parses a table creation operation. @return table create subgraph */ UNIV_INTERN @@ -405,7 +407,7 @@ pars_create_table( will forget about non-NULL value if it has to reload the table definition from disk */ -/************************************************************************* +/*********************************************************************//** Parses an index creation operation. @return index create subgraph */ UNIV_INTERN @@ -419,7 +421,7 @@ pars_create_index( sym_node_t* table_sym, /*!< in: table name node in the symbol table */ sym_node_t* column_list); /*!< in: list of column names */ -/************************************************************************* +/*********************************************************************//** Parses a procedure definition. @return query fork node */ UNIV_INTERN @@ -431,7 +433,7 @@ pars_procedure_definition( sym_node_t* param_list, /*!< in: parameter declaration list */ que_node_t* stat_list); /*!< in: statement list */ -/***************************************************************** +/*************************************************************//** Parses a stored procedure call, when this is not within another stored procedure, that is, the client issues a procedure call directly. In MySQL/InnoDB, stored InnoDB procedures are invoked via the @@ -442,7 +444,7 @@ que_fork_t* pars_stored_procedure_call( /*=======================*/ sym_node_t* sym_node); /*!< in: stored procedure name */ -/********************************************************************** +/******************************************************************//** Completes a query graph by adding query thread and fork nodes above it and prepares the graph for running. The fork created is of type QUE_FORK_MYSQL_INTERFACE. @@ -456,7 +458,7 @@ pars_complete_graph_for_exec( trx_t* trx, /*!< in: transaction handle */ mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/******************************************************************** +/****************************************************************//** Create parser info struct. @return own: info struct */ UNIV_INTERN @@ -464,15 +466,15 @@ pars_info_t* pars_info_create(void); /*==================*/ -/******************************************************************** +/****************************************************************//** Free info struct and everything it contains. */ UNIV_INTERN void pars_info_free( /*===========*/ - pars_info_t* info); /*!< in: info struct */ + pars_info_t* info); /*!< in, own: info struct */ -/******************************************************************** +/****************************************************************//** Add bound literal. */ UNIV_INTERN void @@ -486,7 +488,7 @@ pars_info_add_literal( ulint prtype); /*!< in: precise type, e.g. DATA_UNSIGNED */ -/******************************************************************** +/****************************************************************//** Equivalent to pars_info_add_literal(info, name, str, strlen(str), DATA_VARCHAR, DATA_ENGLISH). */ UNIV_INTERN @@ -497,7 +499,7 @@ pars_info_add_str_literal( const char* name, /*!< in: name */ const char* str); /*!< in: string */ -/******************************************************************** +/****************************************************************//** Equivalent to: char buf[4]; @@ -514,7 +516,7 @@ pars_info_add_int4_literal( const char* name, /*!< in: name */ lint val); /*!< in: value */ -/******************************************************************** +/****************************************************************//** Equivalent to: char buf[8]; @@ -530,7 +532,7 @@ pars_info_add_dulint_literal( pars_info_t* info, /*!< in: info struct */ const char* name, /*!< in: name */ dulint val); /*!< in: value */ -/******************************************************************** +/****************************************************************//** Add user function. */ UNIV_INTERN void @@ -541,7 +543,7 @@ pars_info_add_function( pars_user_func_cb_t func, /*!< in: function address */ void* arg); /*!< in: user-supplied argument */ -/******************************************************************** +/****************************************************************//** Add bound id. */ UNIV_INTERN void @@ -551,7 +553,7 @@ pars_info_add_id( const char* name, /*!< in: name */ const char* id); /*!< in: id */ -/******************************************************************** +/****************************************************************//** Get user function with the given name. @return user func, or NULL if not found */ UNIV_INTERN @@ -561,7 +563,7 @@ pars_info_get_user_func( pars_info_t* info, /*!< in: info struct */ const char* name); /*!< in: function name to find*/ -/******************************************************************** +/****************************************************************//** Get bound literal with the given name. @return bound literal, or NULL if not found */ UNIV_INTERN @@ -571,7 +573,7 @@ pars_info_get_bound_lit( pars_info_t* info, /*!< in: info struct */ const char* name); /*!< in: bound literal name to find */ -/******************************************************************** +/****************************************************************//** Get bound id with the given name. @return bound id, or NULL if not found */ UNIV_INTERN @@ -582,154 +584,156 @@ pars_info_get_bound_id( const char* name); /*!< in: bound id name to find */ -/* Extra information supplied for pars_sql(). */ +/** Extra information supplied for pars_sql(). */ struct pars_info_struct { - mem_heap_t* heap; /* our own memory heap */ + mem_heap_t* heap; /*!< our own memory heap */ - ib_vector_t* funcs; /* user functions, or NUll + ib_vector_t* funcs; /*!< user functions, or NUll (pars_user_func_t*) */ - ib_vector_t* bound_lits; /* bound literals, or NULL + ib_vector_t* bound_lits; /*!< bound literals, or NULL (pars_bound_lit_t*) */ - ib_vector_t* bound_ids; /* bound ids, or NULL + ib_vector_t* bound_ids; /*!< bound ids, or NULL (pars_bound_id_t*) */ - ibool graph_owns_us; /* if TRUE (which is the default), + ibool graph_owns_us; /*!< if TRUE (which is the default), que_graph_free() will free us */ }; -/* User-supplied function and argument. */ +/** User-supplied function and argument. */ struct pars_user_func_struct { - const char* name; /* function name */ - pars_user_func_cb_t func; /* function address */ - void* arg; /* user-supplied argument */ + const char* name; /*!< function name */ + pars_user_func_cb_t func; /*!< function address */ + void* arg; /*!< user-supplied argument */ }; -/* Bound literal. */ +/** Bound literal. */ struct pars_bound_lit_struct { - const char* name; /* name */ - const void* address; /* address */ - ulint length; /* length of data */ - ulint type; /* type, e.g. DATA_FIXBINARY */ - ulint prtype; /* precise type, e.g. DATA_UNSIGNED */ + const char* name; /*!< name */ + const void* address; /*!< address */ + ulint length; /*!< length of data */ + ulint type; /*!< type, e.g. DATA_FIXBINARY */ + ulint prtype; /*!< precise type, e.g. DATA_UNSIGNED */ }; -/* Bound id. */ +/** Bound identifier. */ struct pars_bound_id_struct { - const char* name; /* name */ - const char* id; /* id */ + const char* name; /*!< name */ + const char* id; /*!< identifier */ }; -/* Struct used to denote a reserved word in a parsing tree */ +/** Struct used to denote a reserved word in a parsing tree */ struct pars_res_word_struct{ - int code; /* the token code for the reserved word from + int code; /*!< the token code for the reserved word from pars0grm.h */ }; -/* A predefined function or operator node in a parsing tree; this construct +/** A predefined function or operator node in a parsing tree; this construct is also used for some non-functions like the assignment ':=' */ struct func_node_struct{ - que_common_t common; /* type: QUE_NODE_FUNC */ - int func; /* token code of the function name */ - ulint class; /* class of the function */ - que_node_t* args; /* argument(s) of the function */ + que_common_t common; /*!< type: QUE_NODE_FUNC */ + int func; /*!< token code of the function name */ + ulint class; /*!< class of the function */ + que_node_t* args; /*!< argument(s) of the function */ UT_LIST_NODE_T(func_node_t) cond_list; - /* list of comparison conditions; defined + /*!< list of comparison conditions; defined only for comparison operator nodes except, presently, for OPT_SCROLL_TYPE ones */ UT_LIST_NODE_T(func_node_t) func_node_list; - /* list of function nodes in a parsed + /*!< list of function nodes in a parsed query graph */ }; -/* An order-by node in a select */ +/** An order-by node in a select */ struct order_node_struct{ - que_common_t common; /* type: QUE_NODE_ORDER */ - sym_node_t* column; /* order-by column */ - ibool asc; /* TRUE if ascending, FALSE if descending */ + que_common_t common; /*!< type: QUE_NODE_ORDER */ + sym_node_t* column; /*!< order-by column */ + ibool asc; /*!< TRUE if ascending, FALSE if descending */ }; -/* Procedure definition node */ +/** Procedure definition node */ struct proc_node_struct{ - que_common_t common; /* type: QUE_NODE_PROC */ - sym_node_t* proc_id; /* procedure name symbol in the symbol + que_common_t common; /*!< type: QUE_NODE_PROC */ + sym_node_t* proc_id; /*!< procedure name symbol in the symbol table of this same procedure */ - sym_node_t* param_list; /* input and output parameters */ - que_node_t* stat_list; /* statement list */ - sym_tab_t* sym_tab; /* symbol table of this procedure */ + sym_node_t* param_list; /*!< input and output parameters */ + que_node_t* stat_list; /*!< statement list */ + sym_tab_t* sym_tab; /*!< symbol table of this procedure */ }; -/* elsif-element node */ +/** elsif-element node */ struct elsif_node_struct{ - que_common_t common; /* type: QUE_NODE_ELSIF */ - que_node_t* cond; /* if condition */ - que_node_t* stat_list; /* statement list */ + que_common_t common; /*!< type: QUE_NODE_ELSIF */ + que_node_t* cond; /*!< if condition */ + que_node_t* stat_list; /*!< statement list */ }; -/* if-statement node */ +/** if-statement node */ struct if_node_struct{ - que_common_t common; /* type: QUE_NODE_IF */ - que_node_t* cond; /* if condition */ - que_node_t* stat_list; /* statement list */ - que_node_t* else_part; /* else-part statement list */ - elsif_node_t* elsif_list; /* elsif element list */ + que_common_t common; /*!< type: QUE_NODE_IF */ + que_node_t* cond; /*!< if condition */ + que_node_t* stat_list; /*!< statement list */ + que_node_t* else_part; /*!< else-part statement list */ + elsif_node_t* elsif_list; /*!< elsif element list */ }; -/* while-statement node */ +/** while-statement node */ struct while_node_struct{ - que_common_t common; /* type: QUE_NODE_WHILE */ - que_node_t* cond; /* while condition */ - que_node_t* stat_list; /* statement list */ + que_common_t common; /*!< type: QUE_NODE_WHILE */ + que_node_t* cond; /*!< while condition */ + que_node_t* stat_list; /*!< statement list */ }; -/* for-loop-statement node */ +/** for-loop-statement node */ struct for_node_struct{ - que_common_t common; /* type: QUE_NODE_FOR */ - sym_node_t* loop_var; /* loop variable: this is the + que_common_t common; /*!< type: QUE_NODE_FOR */ + sym_node_t* loop_var; /*!< loop variable: this is the dereferenced symbol from the variable declarations, not the symbol occurrence in the for loop definition */ - que_node_t* loop_start_limit;/* initial value of loop variable */ - que_node_t* loop_end_limit; /* end value of loop variable */ - lint loop_end_value; /* evaluated value for the end value: + que_node_t* loop_start_limit;/*!< initial value of loop variable */ + que_node_t* loop_end_limit; /*!< end value of loop variable */ + lint loop_end_value; /*!< evaluated value for the end value: it is calculated only when the loop is entered, and will not change within the loop */ - que_node_t* stat_list; /* statement list */ + que_node_t* stat_list; /*!< statement list */ }; -/* exit statement node */ +/** exit statement node */ struct exit_node_struct{ - que_common_t common; /* type: QUE_NODE_EXIT */ + que_common_t common; /*!< type: QUE_NODE_EXIT */ }; -/* return-statement node */ +/** return-statement node */ struct return_node_struct{ - que_common_t common; /* type: QUE_NODE_RETURN */ + que_common_t common; /*!< type: QUE_NODE_RETURN */ }; -/* Assignment statement node */ +/** Assignment statement node */ struct assign_node_struct{ - que_common_t common; /* type: QUE_NODE_ASSIGNMENT */ - sym_node_t* var; /* variable to set */ - que_node_t* val; /* value to assign */ + que_common_t common; /*!< type: QUE_NODE_ASSIGNMENT */ + sym_node_t* var; /*!< variable to set */ + que_node_t* val; /*!< value to assign */ }; -/* Column assignment node */ +/** Column assignment node */ struct col_assign_node_struct{ - que_common_t common; /* type: QUE_NODE_COL_ASSIGN */ - sym_node_t* col; /* column to set */ - que_node_t* val; /* value to assign */ + que_common_t common; /*!< type: QUE_NODE_COL_ASSIGN */ + sym_node_t* col; /*!< column to set */ + que_node_t* val; /*!< value to assign */ }; -/* Classes of functions */ -#define PARS_FUNC_ARITH 1 /* +, -, *, / */ -#define PARS_FUNC_LOGICAL 2 -#define PARS_FUNC_CMP 3 -#define PARS_FUNC_PREDEFINED 4 /* TO_NUMBER, SUBSTR, ... */ -#define PARS_FUNC_AGGREGATE 5 /* COUNT, DISTINCT, SUM */ -#define PARS_FUNC_OTHER 6 /* these are not real functions, +/** Classes of functions */ +/* @{ */ +#define PARS_FUNC_ARITH 1 /*!< +, -, *, / */ +#define PARS_FUNC_LOGICAL 2 /*!< AND, OR, NOT */ +#define PARS_FUNC_CMP 3 /*!< comparison operators */ +#define PARS_FUNC_PREDEFINED 4 /*!< TO_NUMBER, SUBSTR, ... */ +#define PARS_FUNC_AGGREGATE 5 /*!< COUNT, DISTINCT, SUM */ +#define PARS_FUNC_OTHER 6 /*!< these are not real functions, e.g., := */ +/* @} */ #ifndef UNIV_NONINL #include "pars0pars.ic" diff --git a/include/pars0pars.ic b/include/pars0pars.ic index 3a55ad86f48..ae6c13cd671 100644 --- a/include/pars0pars.ic +++ b/include/pars0pars.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0pars.ic SQL parser Created 11/19/1996 Heikki Tuuri diff --git a/include/pars0sym.h b/include/pars0sym.h index f09ce951cbd..6d1a4b82414 100644 --- a/include/pars0sym.h +++ b/include/pars0sym.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0sym.h SQL parser symbol table Created 12/15/1997 Heikki Tuuri @@ -32,7 +33,7 @@ Created 12/15/1997 Heikki Tuuri #include "pars0types.h" #include "row0types.h" -/********************************************************************** +/******************************************************************//** Creates a symbol table for a single stored procedure or query. @return own: symbol table */ UNIV_INTERN @@ -40,7 +41,7 @@ sym_tab_t* sym_tab_create( /*===========*/ mem_heap_t* heap); /*!< in: memory heap where to create */ -/********************************************************************** +/******************************************************************//** Frees the memory allocated dynamically AFTER parsing phase for variables etc. in the symbol table. Does not free the mem heap where the table was originally created. Frees also SQL explicit cursor definitions. */ @@ -49,7 +50,7 @@ void sym_tab_free_private( /*=================*/ sym_tab_t* sym_tab); /*!< in, own: symbol table */ -/********************************************************************** +/******************************************************************//** Adds an integer literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -58,7 +59,7 @@ sym_tab_add_int_lit( /*================*/ sym_tab_t* sym_tab, /*!< in: symbol table */ ulint val); /*!< in: integer value */ -/********************************************************************** +/******************************************************************//** Adds an string literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -69,7 +70,7 @@ sym_tab_add_str_lit( byte* str, /*!< in: string with no quotes around it */ ulint len); /*!< in: string length */ -/********************************************************************** +/******************************************************************//** Add a bound literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -79,7 +80,7 @@ sym_tab_add_bound_lit( sym_tab_t* sym_tab, /*!< in: symbol table */ const char* name, /*!< in: name of bound literal */ ulint* lit_type); /*!< out: type of literal (PARS_*_LIT) */ -/********************************************************************** +/******************************************************************//** Adds an SQL null literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -87,7 +88,7 @@ sym_node_t* sym_tab_add_null_lit( /*=================*/ sym_tab_t* sym_tab); /*!< in: symbol table */ -/********************************************************************** +/******************************************************************//** Adds an identifier to a symbol table. @return symbol table node */ UNIV_INTERN @@ -98,7 +99,7 @@ sym_tab_add_id( byte* name, /*!< in: identifier name */ ulint len); /*!< in: identifier length */ -/********************************************************************** +/******************************************************************//** Add a bound identifier to a symbol table. @return symbol table node */ UNIV_INTERN @@ -108,11 +109,29 @@ sym_tab_add_bound_id( sym_tab_t* sym_tab, /*!< in: symbol table */ const char* name); /*!< in: name of bound id */ +/** Index of sym_node_struct::field_nos corresponding to the clustered index */ #define SYM_CLUST_FIELD_NO 0 +/** Index of sym_node_struct::field_nos corresponding to a secondary index */ #define SYM_SEC_FIELD_NO 1 +/** Types of a symbol table node */ +enum sym_tab_entry { + SYM_VAR = 91, /*!< declared parameter or local + variable of a procedure */ + SYM_IMPLICIT_VAR, /*!< storage for a intermediate result + of a calculation */ + SYM_LIT, /*!< literal */ + SYM_TABLE, /*!< database table name */ + SYM_COLUMN, /*!< database table name */ + SYM_CURSOR, /*!< named cursor */ + SYM_PROCEDURE_NAME, /*!< stored procedure name */ + SYM_INDEX, /*!< database index name */ + SYM_FUNCTION /*!< user function name */ +}; + +/** Symbol table node */ struct sym_node_struct{ - que_common_t common; /* node type: + que_common_t common; /*!< node type: QUE_NODE_SYMBOL */ /* NOTE: if the data field in 'common.val' is not NULL and the symbol table node is not for a temporary column, the memory for the value has @@ -132,25 +151,25 @@ struct sym_node_struct{ TODO: It would be cleaner to make 'indirection' a boolean field and always use 'alias' to refer to the primary node. */ - sym_node_t* indirection; /* pointer to + sym_node_t* indirection; /*!< pointer to another symbol table node which contains the value for this node, NULL otherwise */ - sym_node_t* alias; /* pointer to + sym_node_t* alias; /*!< pointer to another symbol table node for which this node is an alias, NULL otherwise */ - UT_LIST_NODE_T(sym_node_t) col_var_list; /* list of table + UT_LIST_NODE_T(sym_node_t) col_var_list; /*!< list of table columns or a list of input variables for an explicit cursor */ - ibool copy_val; /* TRUE if a column + ibool copy_val; /*!< TRUE if a column and its value should be copied to dynamic memory when fetched */ - ulint field_nos[2]; /* if a column, in + ulint field_nos[2]; /*!< if a column, in the position SYM_CLUST_FIELD_NO is the field number in the @@ -162,76 +181,62 @@ struct sym_node_struct{ use first; if not found from the index, then ULINT_UNDEFINED */ - ibool resolved; /* TRUE if the + ibool resolved; /*!< TRUE if the meaning of a variable or a column has been resolved; for literals this is always TRUE */ - ulint token_type; /* SYM_VAR, SYM_COLUMN, - SYM_IMPLICIT_VAR, - SYM_LIT, SYM_TABLE, - SYM_CURSOR, ... */ - const char* name; /* name of an id */ - ulint name_len; /* id name length */ - dict_table_t* table; /* table definition + enum sym_tab_entry token_type; /*!< type of the + parsed token */ + const char* name; /*!< name of an id */ + ulint name_len; /*!< id name length */ + dict_table_t* table; /*!< table definition if a table id or a column id */ - ulint col_no; /* column number if a + ulint col_no; /*!< column number if a column */ - sel_buf_t* prefetch_buf; /* NULL, or a buffer + sel_buf_t* prefetch_buf; /*!< NULL, or a buffer for cached column values for prefetched rows */ - sel_node_t* cursor_def; /* cursor definition + sel_node_t* cursor_def; /*!< cursor definition select node if a named cursor */ - ulint param_type; /* PARS_INPUT, + ulint param_type; /*!< PARS_INPUT, PARS_OUTPUT, or PARS_NOT_PARAM if not a procedure parameter */ - sym_tab_t* sym_table; /* back pointer to + sym_tab_t* sym_table; /*!< back pointer to the symbol table */ - UT_LIST_NODE_T(sym_node_t) sym_list; /* list of symbol + UT_LIST_NODE_T(sym_node_t) sym_list; /*!< list of symbol nodes */ }; +/** Symbol table */ struct sym_tab_struct{ que_t* query_graph; - /* query graph generated by the + /*!< query graph generated by the parser */ const char* sql_string; - /* SQL string to parse */ + /*!< SQL string to parse */ size_t string_len; - /* SQL string length */ + /*!< SQL string length */ int next_char_pos; - /* position of the next character in + /*!< position of the next character in sql_string to give to the lexical analyzer */ - pars_info_t* info; /* extra information, or NULL */ + pars_info_t* info; /*!< extra information, or NULL */ sym_node_list_t sym_list; - /* list of symbol nodes in the symbol + /*!< list of symbol nodes in the symbol table */ UT_LIST_BASE_NODE_T(func_node_t) func_node_list; - /* list of function nodes in the + /*!< list of function nodes in the parsed query graph */ - mem_heap_t* heap; /* memory heap from which we can + mem_heap_t* heap; /*!< memory heap from which we can allocate space */ }; -/* Types of a symbol table entry */ -#define SYM_VAR 91 /* declared parameter or local - variable of a procedure */ -#define SYM_IMPLICIT_VAR 92 /* storage for a intermediate result - of a calculation */ -#define SYM_LIT 93 /* literal */ -#define SYM_TABLE 94 /* database table name */ -#define SYM_COLUMN 95 /* database table name */ -#define SYM_CURSOR 96 /* named cursor */ -#define SYM_PROCEDURE_NAME 97 /* stored procedure name */ -#define SYM_INDEX 98 /* database index name */ -#define SYM_FUNCTION 99 /* user function name */ - #ifndef UNIV_NONINL #include "pars0sym.ic" #endif diff --git a/include/pars0sym.ic b/include/pars0sym.ic index 235d6819ae9..9eb09db3a47 100644 --- a/include/pars0sym.ic +++ b/include/pars0sym.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0sym.ic SQL parser symbol table Created 12/15/1997 Heikki Tuuri diff --git a/include/pars0types.h b/include/pars0types.h index e0902d0611a..e0a8a86bf07 100644 --- a/include/pars0types.h +++ b/include/pars0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/pars0types.h SQL parser global types Created 1/11/1998 Heikki Tuuri diff --git a/include/que0que.h b/include/que0que.h index d7d70b0b022..871f42f6d87 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/que0que.h Query graph Created 5/27/1996 Heikki Tuuri @@ -39,7 +40,7 @@ Created 5/27/1996 Heikki Tuuri of SQL execution in the UNIV_SQL_DEBUG version */ extern ibool que_trace_on; -/*************************************************************************** +/***********************************************************************//** Adds a query graph to the session's list of graphs. */ UNIV_INTERN void @@ -47,7 +48,7 @@ que_graph_publish( /*==============*/ que_t* graph, /*!< in: graph */ sess_t* sess); /*!< in: session */ -/*************************************************************************** +/***********************************************************************//** Creates a query graph fork node. @return own: fork node */ UNIV_INTERN @@ -60,21 +61,21 @@ que_fork_create( que_node_t* parent, /*!< in: parent node */ ulint fork_type, /*!< in: fork type */ mem_heap_t* heap); /*!< in: memory heap where created */ -/*************************************************************************** +/***********************************************************************//** Gets the first thr in a fork. */ UNIV_INLINE que_thr_t* que_fork_get_first_thr( /*===================*/ que_fork_t* fork); /*!< in: query fork */ -/*************************************************************************** +/***********************************************************************//** Gets the child node of the first thr in a fork. */ UNIV_INLINE que_node_t* que_fork_get_child( /*===============*/ que_fork_t* fork); /*!< in: query fork */ -/*************************************************************************** +/***********************************************************************//** Sets the parent of a graph node. */ UNIV_INLINE void @@ -82,7 +83,7 @@ que_node_set_parent( /*================*/ que_node_t* node, /*!< in: graph node */ que_node_t* parent);/*!< in: parent */ -/*************************************************************************** +/***********************************************************************//** Creates a query graph thread node. @return own: query thread node */ UNIV_INTERN @@ -91,7 +92,7 @@ que_thr_create( /*===========*/ que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ mem_heap_t* heap); /*!< in: memory heap where created */ -/************************************************************************** +/**********************************************************************//** Checks if the query graph is in a state where it should be freed, and frees it in that case. If the session is in a state where it should be closed, also this is done. @@ -101,7 +102,7 @@ ibool que_graph_try_free( /*===============*/ que_t* graph); /*!< in: query graph */ -/************************************************************************** +/**********************************************************************//** Frees a query graph, but not the heap where it was created. Does not free explicit cursor declarations, they are freed in que_graph_free. */ UNIV_INTERN @@ -109,7 +110,7 @@ void que_graph_free_recursive( /*=====================*/ que_node_t* node); /*!< in: query graph node */ -/************************************************************************** +/**********************************************************************//** Frees a query graph. */ UNIV_INTERN void @@ -120,7 +121,7 @@ que_graph_free( to this graph: if not, then use que_graph_free_recursive and free the heap afterwards! */ -/************************************************************************** +/**********************************************************************//** Stops a query thread if graph or trx is in a state requiring it. The conditions are tested in the order (1) graph, (2) trx. The kernel mutex has to be reserved. @@ -130,7 +131,7 @@ ibool que_thr_stop( /*=========*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Moves a thread from another state to the QUE_THR_RUNNING state. Increments the n_active_thrs counters of the query graph and transaction. */ UNIV_INTERN @@ -139,7 +140,7 @@ que_thr_move_to_run_state_for_mysql( /*================================*/ que_thr_t* thr, /*!< in: an query thread */ trx_t* trx); /*!< in: transaction */ -/************************************************************************** +/**********************************************************************//** A patch for MySQL used to 'stop' a dummy query thread used in MySQL select, when there is no error or lock wait. */ UNIV_INTERN @@ -148,7 +149,7 @@ que_thr_stop_for_mysql_no_error( /*============================*/ que_thr_t* thr, /*!< in: query thread */ trx_t* trx); /*!< in: transaction */ -/************************************************************************** +/**********************************************************************//** A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The query thread is stopped and made inactive, except in the case where it was put to the lock wait state in lock0lock.c, but the lock has already @@ -158,14 +159,14 @@ void que_thr_stop_for_mysql( /*===================*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Run a query thread. Handles lock waits. */ UNIV_INTERN void que_run_threads( /*============*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** After signal handling is finished, returns control to a query graph error handling routine. (Currently, just returns the control to the root of the graph so that the graph can communicate an error message to the client.) */ @@ -176,7 +177,7 @@ que_fork_error_handle( trx_t* trx, /*!< in: trx */ que_t* fork); /*!< in: query graph which was run before signal handling started, NULL not allowed */ -/************************************************************************** +/**********************************************************************//** Moves a suspended query thread to the QUE_THR_RUNNING state and releases a single worker thread to execute it. This function should be used to end the wait state of a query thread waiting for a lock or a stored procedure @@ -194,7 +195,7 @@ que_thr_end_wait( a pointer to a NULL pointer, then the calling function can start running a new query thread */ -/************************************************************************** +/**********************************************************************//** Same as que_thr_end_wait, but no parameter next_thr available. */ UNIV_INTERN void @@ -204,46 +205,48 @@ que_thr_end_wait_no_next_thr( QUE_THR_LOCK_WAIT, or QUE_THR_PROCEDURE_WAIT, or QUE_THR_SIG_REPLY_WAIT state */ -/************************************************************************** +/**********************************************************************//** Starts execution of a command in a query fork. Picks a query thread which is not in the QUE_THR_RUNNING state and moves it to that state. If none can be chosen, a situation which may arise in parallelized fetches, NULL is returned. -@return a query thread of the graph moved to QUE_THR_RUNNING state, or NULL; the query thread should be executed by que_run_threads by the caller */ +@return a query thread of the graph moved to QUE_THR_RUNNING state, or +NULL; the query thread should be executed by que_run_threads by the +caller */ UNIV_INTERN que_thr_t* que_fork_start_command( /*===================*/ que_fork_t* fork); /*!< in: a query fork */ -/*************************************************************************** +/***********************************************************************//** Gets the trx of a query thread. */ UNIV_INLINE trx_t* thr_get_trx( /*========*/ que_thr_t* thr); /*!< in: query thread */ -/*************************************************************************** +/***********************************************************************//** Gets the type of a graph node. */ UNIV_INLINE ulint que_node_get_type( /*==============*/ que_node_t* node); /*!< in: graph node */ -/*************************************************************************** +/***********************************************************************//** Gets pointer to the value data type field of a graph node. */ UNIV_INLINE dtype_t* que_node_get_data_type( /*===================*/ que_node_t* node); /*!< in: graph node */ -/*************************************************************************** +/***********************************************************************//** Gets pointer to the value dfield of a graph node. */ UNIV_INLINE dfield_t* que_node_get_val( /*=============*/ que_node_t* node); /*!< in: graph node */ -/*************************************************************************** +/***********************************************************************//** Gets the value buffer size of a graph node. @return val buffer size, not defined if val.data == NULL in node */ UNIV_INLINE @@ -251,7 +254,7 @@ ulint que_node_get_val_buf_size( /*======================*/ que_node_t* node); /*!< in: graph node */ -/*************************************************************************** +/***********************************************************************//** Sets the value buffer size of a graph node. */ UNIV_INLINE void @@ -259,14 +262,14 @@ que_node_set_val_buf_size( /*======================*/ que_node_t* node, /*!< in: graph node */ ulint size); /*!< in: size */ -/************************************************************************* +/*********************************************************************//** Gets the next list node in a list of query graph nodes. */ UNIV_INLINE que_node_t* que_node_get_next( /*==============*/ que_node_t* node); /*!< in: node in a list */ -/************************************************************************* +/*********************************************************************//** Gets the parent node of a query graph node. @return parent node or NULL */ UNIV_INLINE @@ -274,7 +277,7 @@ que_node_t* que_node_get_parent( /*================*/ que_node_t* node); /*!< in: node */ -/******************************************************************** +/****************************************************************//** Get the first containing loop node (e.g. while_node_t or for_node_t) for the given node, or NULL if the node is not within a loop. @return containing loop node, or NULL. */ @@ -283,7 +286,7 @@ que_node_t* que_node_get_containing_loop_node( /*==============================*/ que_node_t* node); /*!< in: node */ -/************************************************************************* +/*********************************************************************//** Catenates a query graph node to a list of them, possible empty list. @return one-way list of nodes */ UNIV_INLINE @@ -292,7 +295,7 @@ que_node_list_add_last( /*===================*/ que_node_t* node_list, /*!< in: node list, or NULL */ que_node_t* node); /*!< in: node */ -/************************************************************************* +/*********************************************************************//** Gets a query graph node list length. @return length, for NULL list 0 */ UNIV_INLINE @@ -300,16 +303,18 @@ ulint que_node_list_get_len( /*==================*/ que_node_t* node_list); /*!< in: node list, or NULL */ -/************************************************************************** +/**********************************************************************//** Checks if graph, trx, or session is in a state where the query thread should be stopped. -@return TRUE if should be stopped; NOTE that if the peek is made without reserving the kernel mutex, then another peek with the mutex reserved is necessary before deciding the actual stopping */ +@return TRUE if should be stopped; NOTE that if the peek is made +without reserving the kernel mutex, then another peek with the mutex +reserved is necessary before deciding the actual stopping */ UNIV_INLINE ibool que_thr_peek_stop( /*==============*/ que_thr_t* thr); /*!< in: query thread */ -/*************************************************************************** +/***********************************************************************//** Returns TRUE if the query graph is for a SELECT statement. @return TRUE if a select */ UNIV_INLINE @@ -317,14 +322,14 @@ ibool que_graph_is_select( /*================*/ que_t* graph); /*!< in: graph */ -/************************************************************************** +/**********************************************************************//** Prints info of an SQL query graph node. */ UNIV_INTERN void que_node_print_info( /*================*/ que_node_t* node); /*!< in: query graph node */ -/************************************************************************* +/*********************************************************************//** Evaluate the given SQL @return error code or DB_SUCCESS */ UNIV_INTERN @@ -342,38 +347,38 @@ que_eval_sql( mutex with the exceptions named below */ struct que_thr_struct{ - que_common_t common; /* type: QUE_NODE_THR */ - ulint magic_n; /* magic number to catch memory + que_common_t common; /*!< type: QUE_NODE_THR */ + ulint magic_n; /*!< magic number to catch memory corruption */ - que_node_t* child; /* graph child node */ - que_t* graph; /* graph where this node belongs */ - ibool is_active; /* TRUE if the thread has been set + que_node_t* child; /*!< graph child node */ + que_t* graph; /*!< graph where this node belongs */ + ibool is_active; /*!< TRUE if the thread has been set to the run state in que_thr_move_to_run_state, but not deactivated in que_thr_dec_reference_count */ - ulint state; /* state of the query thread */ + ulint state; /*!< state of the query thread */ UT_LIST_NODE_T(que_thr_t) - thrs; /* list of thread nodes of the fork + thrs; /*!< list of thread nodes of the fork node */ UT_LIST_NODE_T(que_thr_t) - trx_thrs; /* lists of threads in wait list of + trx_thrs; /*!< lists of threads in wait list of the trx */ UT_LIST_NODE_T(que_thr_t) - queue; /* list of runnable thread nodes in + queue; /*!< list of runnable thread nodes in the server task queue */ /*------------------------------*/ /* The following fields are private to the OS thread executing the query thread, and are not protected by the kernel mutex: */ - que_node_t* run_node; /* pointer to the node where the + que_node_t* run_node; /*!< pointer to the node where the subgraph down from this node is currently executed */ - que_node_t* prev_node; /* pointer to the node from which + que_node_t* prev_node; /*!< pointer to the node from which the control came */ - ulint resource; /* resource usage of the query thread + ulint resource; /*!< resource usage of the query thread thus far */ - ulint lock_state; /* lock state of thread (table or + ulint lock_state; /*!< lock state of thread (table or row) */ }; @@ -382,49 +387,49 @@ struct que_thr_struct{ /* Query graph fork node: its fields are protected by the kernel mutex */ struct que_fork_struct{ - que_common_t common; /* type: QUE_NODE_FORK */ - que_t* graph; /* query graph of this node */ - ulint fork_type; /* fork type */ - ulint n_active_thrs; /* if this is the root of a graph, the + que_common_t common; /*!< type: QUE_NODE_FORK */ + que_t* graph; /*!< query graph of this node */ + ulint fork_type; /*!< fork type */ + ulint n_active_thrs; /*!< if this is the root of a graph, the number query threads that have been started in que_thr_move_to_run_state but for which que_thr_dec_refer_count has not yet been called */ - trx_t* trx; /* transaction: this is set only in + trx_t* trx; /*!< transaction: this is set only in the root node */ - ulint state; /* state of the fork node */ - que_thr_t* caller; /* pointer to a possible calling query + ulint state; /*!< state of the fork node */ + que_thr_t* caller; /*!< pointer to a possible calling query thread */ UT_LIST_BASE_NODE_T(que_thr_t) - thrs; /* list of query threads */ + thrs; /*!< list of query threads */ /*------------------------------*/ /* The fields in this section are defined only in the root node */ - sym_tab_t* sym_tab; /* symbol table of the query, + sym_tab_t* sym_tab; /*!< symbol table of the query, generated by the parser, or NULL if the graph was created 'by hand' */ - pars_info_t* info; /* info struct, or NULL */ + pars_info_t* info; /*!< info struct, or NULL */ /* The following cur_... fields are relevant only in a select graph */ - ulint cur_end; /* QUE_CUR_NOT_DEFINED, QUE_CUR_START, + ulint cur_end; /*!< QUE_CUR_NOT_DEFINED, QUE_CUR_START, QUE_CUR_END */ - ulint cur_pos; /* if there are n rows in the result + ulint cur_pos; /*!< if there are n rows in the result set, values 0 and n + 1 mean before first row, or after last row, depending on cur_end; values 1...n mean a row index */ - ibool cur_on_row; /* TRUE if cursor is on a row, i.e., + ibool cur_on_row; /*!< TRUE if cursor is on a row, i.e., it is not before the first row or after the last row */ - dulint n_inserts; /* number of rows inserted */ - dulint n_updates; /* number of rows updated */ - dulint n_deletes; /* number of rows deleted */ - sel_node_t* last_sel_node; /* last executed select node, or NULL + dulint n_inserts; /*!< number of rows inserted */ + dulint n_updates; /*!< number of rows updated */ + dulint n_deletes; /*!< number of rows deleted */ + sel_node_t* last_sel_node; /*!< last executed select node, or NULL if none */ UT_LIST_NODE_T(que_fork_t) - graphs; /* list of query graphs of a session + graphs; /*!< list of query graphs of a session or a stored procedure */ /*------------------------------*/ - mem_heap_t* heap; /* memory heap where the fork was + mem_heap_t* heap; /*!< memory heap where the fork was created */ }; diff --git a/include/que0que.ic b/include/que0que.ic index c054c069409..a1c0dc1e77a 100644 --- a/include/que0que.ic +++ b/include/que0que.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/que0que.ic Query graph Created 5/27/1996 Heikki Tuuri @@ -24,7 +25,7 @@ Created 5/27/1996 Heikki Tuuri #include "usr0sess.h" -/*************************************************************************** +/***********************************************************************//** Gets the trx of a query thread. */ UNIV_INLINE trx_t* @@ -37,7 +38,7 @@ thr_get_trx( return(thr->graph->trx); } -/*************************************************************************** +/***********************************************************************//** Gets the first thr in a fork. */ UNIV_INLINE que_thr_t* @@ -48,7 +49,7 @@ que_fork_get_first_thr( return(UT_LIST_GET_FIRST(fork->thrs)); } -/*************************************************************************** +/***********************************************************************//** Gets the child node of the first thr in a fork. */ UNIV_INLINE que_node_t* @@ -63,7 +64,7 @@ que_fork_get_child( return(thr->child); } -/*************************************************************************** +/***********************************************************************//** Gets the type of a graph node. */ UNIV_INLINE ulint @@ -76,7 +77,7 @@ que_node_get_type( return(((que_common_t*)node)->type); } -/*************************************************************************** +/***********************************************************************//** Gets pointer to the value dfield of a graph node. */ UNIV_INLINE dfield_t* @@ -89,7 +90,7 @@ que_node_get_val( return(&(((que_common_t*)node)->val)); } -/*************************************************************************** +/***********************************************************************//** Gets the value buffer size of a graph node. @return val buffer size, not defined if val.data == NULL in node */ UNIV_INLINE @@ -103,7 +104,7 @@ que_node_get_val_buf_size( return(((que_common_t*)node)->val_buf_size); } -/*************************************************************************** +/***********************************************************************//** Sets the value buffer size of a graph node. */ UNIV_INLINE void @@ -117,7 +118,7 @@ que_node_set_val_buf_size( ((que_common_t*)node)->val_buf_size = size; } -/*************************************************************************** +/***********************************************************************//** Sets the parent of a graph node. */ UNIV_INLINE void @@ -131,7 +132,7 @@ que_node_set_parent( ((que_common_t*)node)->parent = parent; } -/*************************************************************************** +/***********************************************************************//** Gets pointer to the value data type field of a graph node. */ UNIV_INLINE dtype_t* @@ -144,7 +145,7 @@ que_node_get_data_type( return(dfield_get_type(&((que_common_t*) node)->val)); } -/************************************************************************* +/*********************************************************************//** Catenates a query graph node to a list of them, possible empty list. @return one-way list of nodes */ UNIV_INLINE @@ -177,7 +178,7 @@ que_node_list_add_last( return(node_list); } -/************************************************************************* +/*********************************************************************//** Gets the next list node in a list of query graph nodes. @return next node in a list of nodes */ UNIV_INLINE @@ -189,7 +190,7 @@ que_node_get_next( return(((que_common_t*)node)->brother); } -/************************************************************************* +/*********************************************************************//** Gets a query graph node list length. @return length, for NULL list 0 */ UNIV_INLINE @@ -212,7 +213,7 @@ que_node_list_get_len( return(len); } -/************************************************************************* +/*********************************************************************//** Gets the parent node of a query graph node. @return parent node or NULL */ UNIV_INLINE @@ -224,10 +225,12 @@ que_node_get_parent( return(((que_common_t*)node)->parent); } -/************************************************************************** +/**********************************************************************//** Checks if graph, trx, or session is in a state where the query thread should be stopped. -@return TRUE if should be stopped; NOTE that if the peek is made without reserving the kernel mutex, then another peek with the mutex reserved is necessary before deciding the actual stopping */ +@return TRUE if should be stopped; NOTE that if the peek is made +without reserving the kernel mutex, then another peek with the mutex +reserved is necessary before deciding the actual stopping */ UNIV_INLINE ibool que_thr_peek_stop( @@ -251,7 +254,7 @@ que_thr_peek_stop( return(FALSE); } -/*************************************************************************** +/***********************************************************************//** Returns TRUE if the query graph is for a SELECT statement. @return TRUE if a select */ UNIV_INLINE diff --git a/include/que0types.h b/include/que0types.h index 1d3217fb491..ea976074768 100644 --- a/include/que0types.h +++ b/include/que0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/que0types.h Query graph global types Created 5/27/1996 Heikki Tuuri @@ -43,10 +44,10 @@ typedef struct que_common_struct que_common_t; substruct must be 'common' */ struct que_common_struct{ - ulint type; /* query node type */ - que_node_t* parent; /* back pointer to parent node, or NULL */ + ulint type; /*!< query node type */ + que_node_t* parent; /*!< back pointer to parent node, or NULL */ que_node_t* brother;/* pointer to a possible brother node */ - dfield_t val; /* evaluated value for an expression */ + dfield_t val; /*!< evaluated value for an expression */ ulint val_buf_size; /* buffer size for the evaluated value data, if the buffer has been allocated dynamically: diff --git a/include/read0read.h b/include/read0read.h index 78ca3d032fd..4d9a9fade36 100644 --- a/include/read0read.h +++ b/include/read0read.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/read0read.h Cursor read Created 2/16/1997 Heikki Tuuri @@ -33,7 +34,7 @@ Created 2/16/1997 Heikki Tuuri #include "trx0trx.h" #include "read0types.h" -/************************************************************************* +/*********************************************************************//** Opens a read view where exactly the transactions serialized before this point in time are seen in the view. @return own: read view struct */ @@ -46,7 +47,7 @@ read_view_open_now( used in purge */ mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/************************************************************************* +/*********************************************************************//** Makes a copy of the oldest existing read view, or opens a new. The view must be closed with ..._close. @return own: read view struct */ @@ -59,14 +60,14 @@ read_view_oldest_copy_or_open_new( used in purge */ mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/************************************************************************* +/*********************************************************************//** Closes a read view. */ UNIV_INTERN void read_view_close( /*============*/ read_view_t* view); /*!< in: read view */ -/************************************************************************* +/*********************************************************************//** Closes a consistent read view for MySQL. This function is called at an SQL statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ UNIV_INTERN @@ -74,7 +75,7 @@ void read_view_close_for_mysql( /*======================*/ trx_t* trx); /*!< in: trx which has a read view */ -/************************************************************************* +/*********************************************************************//** Checks if a read view sees the specified transaction. @return TRUE if sees */ UNIV_INLINE @@ -83,14 +84,14 @@ read_view_sees_trx_id( /*==================*/ const read_view_t* view, /*!< in: read view */ trx_id_t trx_id);/*!< in: trx id */ -/************************************************************************* +/*********************************************************************//** Prints a read view to stderr. */ UNIV_INTERN void read_view_print( /*============*/ const read_view_t* view); /*!< in: read view */ -/************************************************************************* +/*********************************************************************//** Create a consistent cursor view for mysql to be used in cursors. In this consistent read view modifications done by the creating transaction or future transactions are not visible. */ @@ -99,7 +100,7 @@ cursor_view_t* read_cursor_view_create_for_mysql( /*==============================*/ trx_t* cr_trx);/*!< in: trx where cursor view is created */ -/************************************************************************* +/*********************************************************************//** Close a given consistent cursor view for mysql and restore global read view back to a transaction read view. */ UNIV_INTERN @@ -108,7 +109,7 @@ read_cursor_view_close_for_mysql( /*=============================*/ trx_t* trx, /*!< in: trx */ cursor_view_t* curview); /*!< in: cursor view to be closed */ -/************************************************************************* +/*********************************************************************//** This function sets a given consistent cursor view to a transaction read view if given consistent cursor view is not NULL. Otherwise, function restores a global read view to a transaction read view. */ @@ -119,33 +120,33 @@ read_cursor_set_for_mysql( trx_t* trx, /*!< in: transaction where cursor is set */ cursor_view_t* curview);/*!< in: consistent cursor view to be set */ -/* Read view lists the trx ids of those transactions for which a consistent +/** Read view lists the trx ids of those transactions for which a consistent read should not see the modifications to the database. */ struct read_view_struct{ - ulint type; /* VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ - undo_no_t undo_no;/* ut_dulint_zero or if type is + ulint type; /*!< VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ + undo_no_t undo_no;/*!< ut_dulint_zero or if type is VIEW_HIGH_GRANULARITY transaction undo_no when this high-granularity consistent read view was created */ trx_id_t low_limit_no; - /* The view does not need to see the undo + /*!< The view does not need to see the undo logs for transactions whose transaction number is strictly smaller (<) than this value: they can be removed in purge if not needed by other views */ trx_id_t low_limit_id; - /* The read should not see any transaction + /*!< The read should not see any transaction with trx id >= this value. In other words, this is the "high water mark". */ trx_id_t up_limit_id; - /* The read should see all trx ids which + /*!< The read should see all trx ids which are strictly smaller (<) than this value. In other words, this is the "low water mark". */ ulint n_trx_ids; - /* Number of cells in the trx_ids array */ - trx_id_t* trx_ids;/* Additional trx ids which the read should + /*!< Number of cells in the trx_ids array */ + trx_id_t* trx_ids;/*!< Additional trx ids which the read should not see: typically, these are the active transactions at the time when the read is serialized, except the reading transaction @@ -154,34 +155,35 @@ struct read_view_struct{ between the "low" and "high" water marks, that is, up_limit_id and low_limit_id. */ trx_id_t creator_trx_id; - /* trx id of creating transaction, or + /*!< trx id of creating transaction, or ut_dulint_zero used in purge */ UT_LIST_NODE_T(read_view_t) view_list; - /* List of read views in trx_sys */ + /*!< List of read views in trx_sys */ }; -/* Read view types */ -#define VIEW_NORMAL 1 /* Normal consistent read view +/** Read view types @{ */ +#define VIEW_NORMAL 1 /*!< Normal consistent read view where transaction does not see changes made by active transactions except creating transaction. */ -#define VIEW_HIGH_GRANULARITY 2 /* High-granularity read view where +#define VIEW_HIGH_GRANULARITY 2 /*!< High-granularity read view where transaction does not see changes made by active transactions and own changes after a point in time when this read view was created. */ +/* @} */ -/* Implement InnoDB framework to support consistent read views in +/** Implement InnoDB framework to support consistent read views in cursors. This struct holds both heap where consistent read view is allocated and pointer to a read view. */ struct cursor_view_struct{ mem_heap_t* heap; - /* Memory heap for the cursor view */ + /*!< Memory heap for the cursor view */ read_view_t* read_view; - /* Consistent read view of the cursor*/ + /*!< Consistent read view of the cursor*/ ulint n_mysql_tables_in_use; - /* number of Innobase tables used in the + /*!< number of Innobase tables used in the processing of this cursor */ }; diff --git a/include/read0read.ic b/include/read0read.ic index 9e62a1fb37a..9924967cc2d 100644 --- a/include/read0read.ic +++ b/include/read0read.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/read0read.ic Cursor read Created 2/16/1997 Heikki Tuuri *******************************************************/ -/************************************************************************* +/*********************************************************************//** Gets the nth trx id in a read view. @return trx id */ UNIV_INLINE @@ -37,7 +38,7 @@ read_view_get_nth_trx_id( return(*(view->trx_ids + n)); } -/************************************************************************* +/*********************************************************************//** Sets the nth trx id in a read view. */ UNIV_INLINE void @@ -52,7 +53,7 @@ read_view_set_nth_trx_id( *(view->trx_ids + n) = trx_id; } -/************************************************************************* +/*********************************************************************//** Checks if a read view sees the specified transaction. @return TRUE if sees */ UNIV_INLINE diff --git a/include/read0types.h b/include/read0types.h index 44849cbb498..caf69e3fb51 100644 --- a/include/read0types.h +++ b/include/read0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/read0types.h Cursor read Created 2/16/1997 Heikki Tuuri diff --git a/include/rem0cmp.h b/include/rem0cmp.h index 2ae593aa23f..d30d9f86abe 100644 --- a/include/rem0cmp.h +++ b/include/rem0cmp.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/rem0cmp.h Comparison services for records Created 7/1/1994 Heikki Tuuri @@ -31,7 +32,7 @@ Created 7/1/1994 Heikki Tuuri #include "dict0dict.h" #include "rem0rec.h" -/***************************************************************** +/*************************************************************//** Returns TRUE if two columns are equal for comparison purposes. @return TRUE if the columns are considered equal in comparisons */ UNIV_INTERN @@ -42,7 +43,7 @@ cmp_cols_are_equal( const dict_col_t* col2, /*!< in: column 2 */ ibool check_charsets); /*!< in: whether to check charsets */ -/***************************************************************** +/*************************************************************//** This function is used to compare two data fields for which we know the data type. @return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ @@ -58,7 +59,7 @@ cmp_data_data( const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ -/***************************************************************** +/*************************************************************//** This function is used to compare two data fields for which we know the data type. @return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ @@ -74,17 +75,18 @@ cmp_data_data_slow( const byte* data2, /*!< in: data field (== a pointer to a memory buffer) */ ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ -/***************************************************************** +/*************************************************************//** This function is used to compare two dfields where at least the first has its data type field set. -@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, respectively */ +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, +respectively */ UNIV_INLINE int cmp_dfield_dfield( /*==============*/ const dfield_t* dfield1,/*!< in: data field; must have type field set */ const dfield_t* dfield2);/*!< in: data field */ -/***************************************************************** +/*************************************************************//** This function is used to compare a data tuple to a physical record. Only dtuple->n_fields_cmp first fields are taken into account for the the data tuple! If we denote by n = n_fields_cmp, then rec must @@ -92,7 +94,9 @@ have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be made. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared, or until the first externally stored field in rec */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared, or until +the first externally stored field in rec */ UNIV_INTERN int cmp_dtuple_rec_with_match( @@ -110,9 +114,10 @@ cmp_dtuple_rec_with_match( bytes within the first field not completely matched; when function returns, contains the value for current comparison */ -/****************************************************************** +/**************************************************************//** Compares a data tuple to a physical record. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively; see the comments for cmp_dtuple_rec_with_match */ +@see cmp_dtuple_rec_with_match +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ UNIV_INTERN int cmp_dtuple_rec( @@ -120,7 +125,7 @@ cmp_dtuple_rec( const dtuple_t* dtuple, /*!< in: data tuple */ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/****************************************************************** +/**************************************************************//** Checks if a dtuple is a prefix of a record. The last field in dtuple is allowed to be a prefix of the corresponding field in the record. @return TRUE if prefix */ @@ -131,24 +136,24 @@ cmp_dtuple_is_prefix_of_rec( const dtuple_t* dtuple, /*!< in: data tuple */ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************** +/*************************************************************//** Compare two physical records that contain the same number of columns, none of which are stored externally. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2 */ +@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ UNIV_INTERN int cmp_rec_rec_simple( /*===============*/ const rec_t* rec1, /*!< in: physical record */ const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ const dict_index_t* index); /*!< in: data dictionary index */ -/***************************************************************** +/*************************************************************//** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is encountered, then 0 is returned. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ +@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ UNIV_INTERN int cmp_rec_rec_with_match( @@ -166,10 +171,11 @@ cmp_rec_rec_with_match( bytes within the first field not completely matched; when the function returns, contains the value for the current comparison */ -/***************************************************************** +/*************************************************************//** This function is used to compare two physical records. Only the common first fields are compared. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than +rec2; only the common first fields are compared */ UNIV_INLINE int cmp_rec_rec( diff --git a/include/rem0cmp.ic b/include/rem0cmp.ic index d83ab2045ff..39ef5f4fba3 100644 --- a/include/rem0cmp.ic +++ b/include/rem0cmp.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/rem0cmp.ic Comparison services for records Created 7/1/1994 Heikki Tuuri ************************************************************************/ -/***************************************************************** +/*************************************************************//** This function is used to compare two data fields for which we know the data type. @return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ @@ -42,10 +43,11 @@ cmp_data_data( return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2)); } -/***************************************************************** +/*************************************************************//** This function is used to compare two dfields where at least the first has its data type field set. -@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, respectively */ +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, +respectively */ UNIV_INLINE int cmp_dfield_dfield( @@ -66,10 +68,11 @@ cmp_dfield_dfield( dfield_get_len(dfield2))); } -/***************************************************************** +/*************************************************************//** This function is used to compare two physical records. Only the common first fields are compared. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than +rec2; only the common first fields are compared */ UNIV_INLINE int cmp_rec_rec( diff --git a/include/rem0rec.h b/include/rem0rec.h index b22e32e55ad..17d08afabb9 100644 --- a/include/rem0rec.h +++ b/include/rem0rec.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/rem0rec.h Record manager Created 5/30/1994 Heikki Tuuri @@ -78,7 +79,7 @@ offsets[] array, first passed to rec_get_offsets() */ #define REC_OFFS_NORMAL_SIZE 100 #define REC_OFFS_SMALL_SIZE 10 -/********************************************************** +/******************************************************//** The following function is used to get the pointer of the next chained record on the same page. @return pointer to the next chained record, or NULL if none */ @@ -88,7 +89,7 @@ rec_get_next_ptr_const( /*===================*/ const rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to get the pointer of the next chained record on the same page. @return pointer to the next chained record, or NULL if none */ @@ -98,7 +99,7 @@ rec_get_next_ptr( /*=============*/ rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to get the offset of the next chained record on the same page. @return the page offset of the next chained record, or 0 if none */ @@ -108,7 +109,7 @@ rec_get_next_offs( /*==============*/ const rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to set the next record offset field of an old-style record. */ UNIV_INLINE @@ -117,7 +118,7 @@ rec_set_next_offs_old( /*==================*/ rec_t* rec, /*!< in: old-style physical record */ ulint next); /*!< in: offset of the next record */ -/********************************************************** +/******************************************************//** The following function is used to set the next record offset field of a new-style record. */ UNIV_INLINE @@ -126,7 +127,7 @@ rec_set_next_offs_new( /*==================*/ rec_t* rec, /*!< in/out: new-style physical record */ ulint next); /*!< in: offset of the next record */ -/********************************************************** +/******************************************************//** The following function is used to get the number of fields in an old-style record. @return number of data fields */ @@ -135,7 +136,7 @@ ulint rec_get_n_fields_old( /*=================*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** The following function is used to get the number of fields in a record. @return number of data fields */ @@ -145,7 +146,7 @@ rec_get_n_fields( /*=============*/ const rec_t* rec, /*!< in: physical record */ const dict_index_t* index); /*!< in: record descriptor */ -/********************************************************** +/******************************************************//** The following function is used to get the number of records owned by the previous directory record. @return number of owned records */ @@ -154,7 +155,7 @@ ulint rec_get_n_owned_old( /*================*/ const rec_t* rec); /*!< in: old-style physical record */ -/********************************************************** +/******************************************************//** The following function is used to set the number of owned records. */ UNIV_INLINE void @@ -162,7 +163,7 @@ rec_set_n_owned_old( /*================*/ rec_t* rec, /*!< in: old-style physical record */ ulint n_owned); /*!< in: the number of owned */ -/********************************************************** +/******************************************************//** The following function is used to get the number of records owned by the previous directory record. @return number of owned records */ @@ -171,7 +172,7 @@ ulint rec_get_n_owned_new( /*================*/ const rec_t* rec); /*!< in: new-style physical record */ -/********************************************************** +/******************************************************//** The following function is used to set the number of owned records. */ UNIV_INLINE void @@ -180,7 +181,7 @@ rec_set_n_owned_new( rec_t* rec, /*!< in/out: new-style physical record */ page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ ulint n_owned);/*!< in: the number of owned */ -/********************************************************** +/******************************************************//** The following function is used to retrieve the info bits of a record. @return info bits */ @@ -190,7 +191,7 @@ rec_get_info_bits( /*==============*/ const rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to set the info bits of a record. */ UNIV_INLINE void @@ -198,7 +199,7 @@ rec_set_info_bits_old( /*==================*/ rec_t* rec, /*!< in: old-style physical record */ ulint bits); /*!< in: info bits */ -/********************************************************** +/******************************************************//** The following function is used to set the info bits of a record. */ UNIV_INLINE void @@ -206,7 +207,7 @@ rec_set_info_bits_new( /*==================*/ rec_t* rec, /*!< in/out: new-style physical record */ ulint bits); /*!< in: info bits */ -/********************************************************** +/******************************************************//** The following function retrieves the status bits of a new-style record. @return status bits */ UNIV_INLINE @@ -215,7 +216,7 @@ rec_get_status( /*===========*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** The following function is used to set the status bits of a new-style record. */ UNIV_INLINE void @@ -224,7 +225,7 @@ rec_set_status( rec_t* rec, /*!< in/out: physical record */ ulint bits); /*!< in: info bits */ -/********************************************************** +/******************************************************//** The following function is used to retrieve the info and status bits of a record. (Only compact records have status bits.) @return info bits */ @@ -234,7 +235,7 @@ rec_get_info_and_status_bits( /*=========================*/ const rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to set the info and status bits of a record. (Only compact records have status bits.) */ UNIV_INLINE @@ -244,7 +245,7 @@ rec_set_info_and_status_bits( rec_t* rec, /*!< in/out: compact physical record */ ulint bits); /*!< in: info bits */ -/********************************************************** +/******************************************************//** The following function tells if record is delete marked. @return nonzero if delete marked */ UNIV_INLINE @@ -253,7 +254,7 @@ rec_get_deleted_flag( /*=================*/ const rec_t* rec, /*!< in: physical record */ ulint comp); /*!< in: nonzero=compact page format */ -/********************************************************** +/******************************************************//** The following function is used to set the deleted bit. */ UNIV_INLINE void @@ -261,7 +262,7 @@ rec_set_deleted_flag_old( /*=====================*/ rec_t* rec, /*!< in: old-style physical record */ ulint flag); /*!< in: nonzero if delete marked */ -/********************************************************** +/******************************************************//** The following function is used to set the deleted bit. */ UNIV_INLINE void @@ -270,7 +271,7 @@ rec_set_deleted_flag_new( rec_t* rec, /*!< in/out: new-style physical record */ page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ ulint flag); /*!< in: nonzero if delete marked */ -/********************************************************** +/******************************************************//** The following function tells if a new-style record is a node pointer. @return TRUE if node pointer */ UNIV_INLINE @@ -278,7 +279,7 @@ ibool rec_get_node_ptr_flag( /*==================*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** The following function is used to get the order number of an old-style record in the heap of the index page. @return heap order number */ @@ -287,7 +288,7 @@ ulint rec_get_heap_no_old( /*================*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** The following function is used to set the heap number field in an old-style record. */ UNIV_INLINE @@ -296,7 +297,7 @@ rec_set_heap_no_old( /*================*/ rec_t* rec, /*!< in: physical record */ ulint heap_no);/*!< in: the heap number */ -/********************************************************** +/******************************************************//** The following function is used to get the order number of a new-style record in the heap of the index page. @return heap order number */ @@ -305,7 +306,7 @@ ulint rec_get_heap_no_new( /*================*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** The following function is used to set the heap number field in a new-style record. */ UNIV_INLINE @@ -314,7 +315,7 @@ rec_set_heap_no_new( /*================*/ rec_t* rec, /*!< in/out: physical record */ ulint heap_no);/*!< in: the heap number */ -/********************************************************** +/******************************************************//** The following function is used to test whether the data offsets in the record are stored in one-byte or two-byte format. @return TRUE if 1-byte form */ @@ -324,7 +325,7 @@ rec_get_1byte_offs_flag( /*====================*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** Determine how many of the first n columns in a compact physical record are stored externally. @return number of externally stored columns */ @@ -336,7 +337,7 @@ rec_get_n_extern_new( dict_index_t* index, /*!< in: record descriptor */ ulint n); /*!< in: number of columns to scan */ -/********************************************************** +/******************************************************//** The following function determines the offsets to each field in the record. It can reuse a previously allocated array. @return the new offsets */ @@ -360,7 +361,7 @@ rec_get_offsets_func( #define rec_get_offsets(rec,index,offsets,n,heap) \ rec_get_offsets_func(rec,index,offsets,n,heap,__FILE__,__LINE__) -/********************************************************** +/******************************************************//** Determine the offset to each field in a leaf-page record in ROW_FORMAT=COMPACT. This is a special case of rec_init_offsets() and rec_get_offsets_func(). */ @@ -378,7 +379,7 @@ rec_init_offsets_comp_ordinary( ulint* offsets);/*!< in/out: array of offsets; in: n=rec_offs_n_fields(offsets) */ -/********************************************************** +/******************************************************//** The following function determines the offsets to each field in the record. It can reuse a previously allocated array. */ UNIV_INTERN @@ -395,7 +396,7 @@ rec_get_offsets_reverse( ulint* offsets);/*!< in/out: array consisting of offsets[0] allocated elements */ -/**************************************************************** +/************************************************************//** Validates offsets returned by rec_get_offsets(). @return TRUE if valid */ UNIV_INLINE @@ -407,7 +408,7 @@ rec_offs_validate( const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #ifdef UNIV_DEBUG -/**************************************************************** +/************************************************************//** Updates debug data in offsets, in order to avoid bogus rec_offs_validate() failures. */ UNIV_INLINE @@ -422,7 +423,7 @@ rec_offs_make_valid( # define rec_offs_make_valid(rec, index, offsets) ((void) 0) #endif /* UNIV_DEBUG */ -/**************************************************************** +/************************************************************//** The following function is used to get the offset to the nth data field in an old-style record. @return offset to the field */ @@ -436,7 +437,7 @@ rec_get_nth_field_offs_old( if SQL null */ #define rec_get_nth_field_old(rec, n, len) \ ((rec) + rec_get_nth_field_offs_old(rec, n, len)) -/**************************************************************** +/************************************************************//** Gets the physical size of an old-style field. Also an SQL null may have a field of size > 0, if the data type is of a fixed size. @@ -447,7 +448,7 @@ rec_get_nth_field_size( /*===================*/ const rec_t* rec, /*!< in: record */ ulint n); /*!< in: index of the field */ -/**************************************************************** +/************************************************************//** The following function is used to get an offset to the nth data field in a record. @return offset from the origin of rec */ @@ -461,7 +462,7 @@ rec_get_nth_field_offs( if SQL null */ #define rec_get_nth_field(rec, offsets, n, len) \ ((rec) + rec_get_nth_field_offs(offsets, n, len)) -/********************************************************** +/******************************************************//** Determine if the offsets are for a record in the new compact format. @return nonzero if compact format */ @@ -470,7 +471,7 @@ ulint rec_offs_comp( /*==========*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/********************************************************** +/******************************************************//** Determine if the offsets are for a record containing externally stored columns. @return nonzero if externally stored */ @@ -479,7 +480,7 @@ ulint rec_offs_any_extern( /*================*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/********************************************************** +/******************************************************//** Returns nonzero if the extern bit is set in nth field of rec. @return nonzero if externally stored */ UNIV_INLINE @@ -488,7 +489,7 @@ rec_offs_nth_extern( /*================*/ const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ ulint n); /*!< in: nth field */ -/********************************************************** +/******************************************************//** Returns nonzero if the SQL NULL bit is set in nth field of rec. @return nonzero if SQL NULL */ UNIV_INLINE @@ -497,7 +498,7 @@ rec_offs_nth_sql_null( /*==================*/ const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ ulint n); /*!< in: nth field */ -/********************************************************** +/******************************************************//** Gets the physical size of a field. @return length of field */ UNIV_INLINE @@ -507,7 +508,7 @@ rec_offs_nth_size( const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ ulint n); /*!< in: nth field */ -/********************************************************** +/******************************************************//** Returns the number of extern bits set in a record. @return number of externally stored fields */ UNIV_INLINE @@ -515,7 +516,7 @@ ulint rec_offs_n_extern( /*==============*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/*************************************************************** +/***********************************************************//** This is used to modify the value of an already existing field in a record. The previous value must have exactly the same size as the new value. If len is UNIV_SQL_NULL then the field is treated as an SQL null. @@ -530,7 +531,7 @@ rec_set_nth_field( ulint n, /*!< in: index number of the field */ const void* data, /*!< in: pointer to the data if not SQL null */ ulint len); /*!< in: length of the data or UNIV_SQL_NULL */ -/************************************************************** +/**********************************************************//** The following function returns the data size of an old-style physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function @@ -541,7 +542,7 @@ ulint rec_get_data_size_old( /*==================*/ const rec_t* rec); /*!< in: physical record */ -/************************************************************** +/**********************************************************//** The following function returns the number of allocated elements for an array of offsets. @return number of elements */ @@ -550,7 +551,7 @@ ulint rec_offs_get_n_alloc( /*=================*/ const ulint* offsets);/*!< in: array for rec_get_offsets() */ -/************************************************************** +/**********************************************************//** The following function sets the number of allocated elements for an array of offsets. */ UNIV_INLINE @@ -562,7 +563,7 @@ rec_offs_set_n_alloc( ulint n_alloc); /*!< in: number of elements */ #define rec_offs_init(offsets) \ rec_offs_set_n_alloc(offsets, (sizeof offsets) / sizeof *offsets) -/************************************************************** +/**********************************************************//** The following function returns the number of fields in a record. @return number of fields */ UNIV_INLINE @@ -570,7 +571,7 @@ ulint rec_offs_n_fields( /*==============*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** The following function returns the data size of a physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function @@ -581,7 +582,7 @@ ulint rec_offs_data_size( /*===============*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** Returns the total size of record minus data size of record. The value returned by the function is the distance from record start to record origin in bytes. @@ -591,7 +592,7 @@ ulint rec_offs_extra_size( /*================*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** Returns the total size of a physical record. @return size */ UNIV_INLINE @@ -599,7 +600,7 @@ ulint rec_offs_size( /*==========*/ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** Returns a pointer to the start of the record. @return pointer to start */ UNIV_INLINE @@ -608,7 +609,7 @@ rec_get_start( /*==========*/ rec_t* rec, /*!< in: pointer to record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************** +/**********************************************************//** Returns a pointer to the end of the record. @return pointer to end */ UNIV_INLINE @@ -617,7 +618,7 @@ rec_get_end( /*========*/ rec_t* rec, /*!< in: pointer to record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Copies a physical record to a buffer. @return pointer to the origin of the copy */ UNIV_INLINE @@ -628,7 +629,7 @@ rec_copy( const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ #ifndef UNIV_HOTBACKUP -/****************************************************************** +/**************************************************************//** Copies the first n fields of a physical record to a new physical record in a buffer. @return own: copied record */ @@ -644,7 +645,7 @@ rec_copy_prefix_to_buf( for the copied prefix, or NULL */ ulint* buf_size); /*!< in/out: buffer size */ -/**************************************************************** +/************************************************************//** Folds a prefix of a physical record to a ulint. @return the folded value */ UNIV_INLINE @@ -661,7 +662,7 @@ rec_fold( dulint tree_id) /*!< in: index tree id */ __attribute__((pure)); #endif /* !UNIV_HOTBACKUP */ -/************************************************************* +/*********************************************************//** Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ UNIV_INTERN void @@ -676,7 +677,7 @@ rec_convert_dtuple_to_rec_comp( ulint status, /*!< in: status bits of the record */ const dfield_t* fields, /*!< in: array of data fields */ ulint n_fields);/*!< in: number of data fields */ -/************************************************************* +/*********************************************************//** Builds a physical record out of a data tuple and stores it into the given buffer. @return pointer to the origin of physical record */ @@ -690,7 +691,7 @@ rec_convert_dtuple_to_rec( const dtuple_t* dtuple, /*!< in: data tuple */ ulint n_ext); /*!< in: number of externally stored columns */ -/************************************************************** +/**********************************************************//** Returns the extra size of an old-style physical record if we know its data size and number of fields. @return extra size */ @@ -702,7 +703,7 @@ rec_get_converted_extra_size( ulint n_fields, /*!< in: number of fields */ ulint n_ext) /*!< in: number of externally stored columns */ __attribute__((const)); -/************************************************************** +/**********************************************************//** Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. @return total size */ UNIV_INTERN @@ -716,7 +717,7 @@ rec_get_converted_size_comp_prefix( const dfield_t* fields, /*!< in: array of data fields */ ulint n_fields,/*!< in: number of data fields */ ulint* extra); /*!< out: extra size */ -/************************************************************** +/**********************************************************//** Determines the size of a data tuple in ROW_FORMAT=COMPACT. @return total size */ UNIV_INTERN @@ -731,7 +732,7 @@ rec_get_converted_size_comp( const dfield_t* fields, /*!< in: array of data fields */ ulint n_fields,/*!< in: number of data fields */ ulint* extra); /*!< out: extra size */ -/************************************************************** +/**********************************************************//** The following function returns the size of a data tuple when converted to a physical record. @return size */ @@ -743,7 +744,7 @@ rec_get_converted_size( const dtuple_t* dtuple, /*!< in: data tuple */ ulint n_ext); /*!< in: number of externally stored columns */ #ifndef UNIV_HOTBACKUP -/****************************************************************** +/**************************************************************//** Copies the first n fields of a physical record to a data tuple. The fields are copied to the memory heap. */ UNIV_INTERN @@ -757,7 +758,7 @@ rec_copy_prefix_to_dtuple( to copy */ mem_heap_t* heap); /*!< in: memory heap */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Validates the consistency of a physical record. @return TRUE if ok */ UNIV_INTERN @@ -766,7 +767,7 @@ rec_validate( /*=========*/ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Prints an old-style physical record. */ UNIV_INTERN void @@ -775,7 +776,7 @@ rec_print_old( FILE* file, /*!< in: file where to print */ const rec_t* rec); /*!< in: physical record */ #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Prints a physical record in ROW_FORMAT=COMPACT. Ignores the record header. */ UNIV_INTERN @@ -785,7 +786,7 @@ rec_print_comp( FILE* file, /*!< in: file where to print */ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Prints a physical record. */ UNIV_INTERN void @@ -794,7 +795,7 @@ rec_print_new( FILE* file, /*!< in: file where to print */ const rec_t* rec, /*!< in: physical record */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Prints a physical record. */ UNIV_INTERN void diff --git a/include/rem0rec.ic b/include/rem0rec.ic index 4c7fc9cd1ab..9fe736f9b0b 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/rem0rec.ic Record manager Created 5/30/1994 Heikki Tuuri @@ -143,7 +144,7 @@ a field stored to another page: */ # error "sum of new-style masks != 0xFFFFFFUL" #endif -/*************************************************************** +/***********************************************************//** Sets the value of the ith field SQL null bit of an old-style record. */ UNIV_INTERN void @@ -152,7 +153,7 @@ rec_set_nth_field_null_bit( rec_t* rec, /*!< in: record */ ulint i, /*!< in: ith field */ ibool val); /*!< in: value to set */ -/*************************************************************** +/***********************************************************//** Sets an old-style record field to SQL null. The physical size of the field is not changed. */ UNIV_INTERN @@ -162,7 +163,7 @@ rec_set_nth_field_sql_null( rec_t* rec, /*!< in: record */ ulint n); /*!< in: index of the field */ -/********************************************************** +/******************************************************//** Gets a bit field from within 1 byte. */ UNIV_INLINE ulint @@ -178,7 +179,7 @@ rec_get_bit_field_1( return((mach_read_from_1(rec - offs) & mask) >> shift); } -/********************************************************** +/******************************************************//** Sets a bit field within 1 byte. */ UNIV_INLINE void @@ -202,7 +203,7 @@ rec_set_bit_field_1( | (val << shift)); } -/********************************************************** +/******************************************************//** Gets a bit field from within 2 bytes. */ UNIV_INLINE ulint @@ -218,7 +219,7 @@ rec_get_bit_field_2( return((mach_read_from_2(rec - offs) & mask) >> shift); } -/********************************************************** +/******************************************************//** Sets a bit field within 2 bytes. */ UNIV_INLINE void @@ -244,7 +245,7 @@ rec_set_bit_field_2( | (val << shift)); } -/********************************************************** +/******************************************************//** The following function is used to get the pointer of the next chained record on the same page. @return pointer to the next chained record, or NULL if none */ @@ -300,7 +301,7 @@ rec_get_next_ptr_const( } } -/********************************************************** +/******************************************************//** The following function is used to get the pointer of the next chained record on the same page. @return pointer to the next chained record, or NULL if none */ @@ -314,7 +315,7 @@ rec_get_next_ptr( return((rec_t*) rec_get_next_ptr_const(rec, comp)); } -/********************************************************** +/******************************************************//** The following function is used to get the offset of the next chained record on the same page. @return the page offset of the next chained record, or 0 if none */ @@ -371,7 +372,7 @@ rec_get_next_offs( } } -/********************************************************** +/******************************************************//** The following function is used to set the next record offset field of an old-style record. */ UNIV_INLINE @@ -393,7 +394,7 @@ rec_set_next_offs_old( mach_write_to_2(rec - REC_NEXT, next); } -/********************************************************** +/******************************************************//** The following function is used to set the next record offset field of a new-style record. */ UNIV_INLINE @@ -424,7 +425,7 @@ rec_set_next_offs_new( mach_write_to_2(rec - REC_NEXT, field_value); } -/********************************************************** +/******************************************************//** The following function is used to get the number of fields in an old-style record. @return number of data fields */ @@ -447,7 +448,7 @@ rec_get_n_fields_old( return(ret); } -/********************************************************** +/******************************************************//** The following function is used to set the number of fields in an old-style record. */ UNIV_INLINE @@ -465,7 +466,7 @@ rec_set_n_fields_old( REC_OLD_N_FIELDS_MASK, REC_OLD_N_FIELDS_SHIFT); } -/********************************************************** +/******************************************************//** The following function retrieves the status bits of a new-style record. @return status bits */ UNIV_INLINE @@ -485,7 +486,7 @@ rec_get_status( return(ret); } -/********************************************************** +/******************************************************//** The following function is used to get the number of fields in a record. @return number of data fields */ @@ -517,7 +518,7 @@ rec_get_n_fields( } } -/********************************************************** +/******************************************************//** The following function is used to get the number of records owned by the previous directory record. @return number of owned records */ @@ -531,7 +532,7 @@ rec_get_n_owned_old( REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the number of owned records. */ UNIV_INLINE void @@ -544,7 +545,7 @@ rec_set_n_owned_old( REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to get the number of records owned by the previous directory record. @return number of owned records */ @@ -558,7 +559,7 @@ rec_get_n_owned_new( REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the number of owned records. */ UNIV_INLINE void @@ -577,7 +578,7 @@ rec_set_n_owned_new( } } -/********************************************************** +/******************************************************//** The following function is used to retrieve the info bits of a record. @return info bits */ UNIV_INLINE @@ -592,7 +593,7 @@ rec_get_info_bits( REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the info bits of a record. */ UNIV_INLINE void @@ -604,7 +605,7 @@ rec_set_info_bits_old( rec_set_bit_field_1(rec, bits, REC_OLD_INFO_BITS, REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to set the info bits of a record. */ UNIV_INLINE void @@ -617,7 +618,7 @@ rec_set_info_bits_new( REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to set the status bits of a new-style record. */ UNIV_INLINE void @@ -630,7 +631,7 @@ rec_set_status( REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to retrieve the info and status bits of a record. (Only compact records have status bits.) @return info bits */ @@ -654,7 +655,7 @@ rec_get_info_and_status_bits( } return(bits); } -/********************************************************** +/******************************************************//** The following function is used to set the info and status bits of a record. (Only compact records have status bits.) */ UNIV_INLINE @@ -672,7 +673,7 @@ rec_set_info_and_status_bits( rec_set_info_bits_new(rec, bits & ~REC_NEW_STATUS_MASK); } -/********************************************************** +/******************************************************//** The following function tells if record is delete marked. @return nonzero if delete marked */ UNIV_INLINE @@ -695,7 +696,7 @@ rec_get_deleted_flag( } } -/********************************************************** +/******************************************************//** The following function is used to set the deleted bit. */ UNIV_INLINE void @@ -717,7 +718,7 @@ rec_set_deleted_flag_old( rec_set_info_bits_old(rec, val); } -/********************************************************** +/******************************************************//** The following function is used to set the deleted bit. */ UNIV_INLINE void @@ -744,7 +745,7 @@ rec_set_deleted_flag_new( } } -/********************************************************** +/******************************************************//** The following function tells if a new-style record is a node pointer. @return TRUE if node pointer */ UNIV_INLINE @@ -756,7 +757,7 @@ rec_get_node_ptr_flag( return(REC_STATUS_NODE_PTR == rec_get_status(rec)); } -/********************************************************** +/******************************************************//** The following function is used to get the order number of an old-style record in the heap of the index page. @return heap order number */ @@ -770,7 +771,7 @@ rec_get_heap_no_old( REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the heap number field in an old-style record. */ UNIV_INLINE @@ -784,7 +785,7 @@ rec_set_heap_no_old( REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to get the order number of a new-style record in the heap of the index page. @return heap order number */ @@ -798,7 +799,7 @@ rec_get_heap_no_new( REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the heap number field in a new-style record. */ UNIV_INLINE @@ -812,7 +813,7 @@ rec_set_heap_no_new( REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); } -/********************************************************** +/******************************************************//** The following function is used to test whether the data offsets in the record are stored in one-byte or two-byte format. @return TRUE if 1-byte form */ @@ -830,7 +831,7 @@ rec_get_1byte_offs_flag( REC_OLD_SHORT_SHIFT)); } -/********************************************************** +/******************************************************//** The following function is used to set the 1-byte offsets flag. */ UNIV_INLINE void @@ -848,7 +849,7 @@ rec_set_1byte_offs_flag( REC_OLD_SHORT_SHIFT); } -/********************************************************** +/******************************************************//** Returns the offset of nth field end if the record is stored in the 1-byte offsets form. If the field is SQL null, the flag is ORed in the returned value. @@ -866,11 +867,12 @@ rec_1_get_field_end_info( return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1))); } -/********************************************************** +/******************************************************//** Returns the offset of nth field end if the record is stored in the 2-byte offsets form. If the field is SQL null, the flag is ORed in the returned value. -@return offset of the start of the field, SQL null flag and extern storage flag ORed */ +@return offset of the start of the field, SQL null flag and extern +storage flag ORed */ UNIV_INLINE ulint rec_2_get_field_end_info( @@ -889,7 +891,7 @@ this position, and following positions hold the end offsets of the fields. */ #define rec_offs_base(offsets) (offsets + REC_OFFS_HEADER_SIZE) -/************************************************************** +/**********************************************************//** The following function returns the number of allocated elements for an array of offsets. @return number of elements */ @@ -907,7 +909,7 @@ rec_offs_get_n_alloc( return(n_alloc); } -/************************************************************** +/**********************************************************//** The following function sets the number of allocated elements for an array of offsets. */ UNIV_INLINE @@ -924,7 +926,7 @@ rec_offs_set_n_alloc( offsets[0] = n_alloc; } -/************************************************************** +/**********************************************************//** The following function returns the number of fields in a record. @return number of fields */ UNIV_INLINE @@ -943,7 +945,7 @@ rec_offs_n_fields( return(n_fields); } -/**************************************************************** +/************************************************************//** Validates offsets returned by rec_get_offsets(). @return TRUE if valid */ UNIV_INLINE @@ -999,7 +1001,7 @@ rec_offs_validate( return(TRUE); } #ifdef UNIV_DEBUG -/**************************************************************** +/************************************************************//** Updates debug data in offsets, in order to avoid bogus rec_offs_validate() failures. */ UNIV_INLINE @@ -1020,7 +1022,7 @@ rec_offs_make_valid( } #endif /* UNIV_DEBUG */ -/**************************************************************** +/************************************************************//** The following function is used to get an offset to the nth data field in a record. @return offset from the origin of rec */ @@ -1057,7 +1059,7 @@ rec_get_nth_field_offs( return(offs); } -/********************************************************** +/******************************************************//** Determine if the offsets are for a record in the new compact format. @return nonzero if compact format */ @@ -1071,7 +1073,7 @@ rec_offs_comp( return(*rec_offs_base(offsets) & REC_OFFS_COMPACT); } -/********************************************************** +/******************************************************//** Determine if the offsets are for a record containing externally stored columns. @return nonzero if externally stored */ @@ -1085,7 +1087,7 @@ rec_offs_any_extern( return(UNIV_UNLIKELY(*rec_offs_base(offsets) & REC_OFFS_EXTERNAL)); } -/********************************************************** +/******************************************************//** Returns nonzero if the extern bit is set in nth field of rec. @return nonzero if externally stored */ UNIV_INLINE @@ -1101,7 +1103,7 @@ rec_offs_nth_extern( & REC_OFFS_EXTERNAL)); } -/********************************************************** +/******************************************************//** Returns nonzero if the SQL NULL bit is set in nth field of rec. @return nonzero if SQL NULL */ UNIV_INLINE @@ -1117,7 +1119,7 @@ rec_offs_nth_sql_null( & REC_OFFS_SQL_NULL)); } -/********************************************************** +/******************************************************//** Gets the physical size of a field. @return length of field */ UNIV_INLINE @@ -1136,7 +1138,7 @@ rec_offs_nth_size( & REC_OFFS_MASK); } -/********************************************************** +/******************************************************//** Returns the number of extern bits set in a record. @return number of externally stored fields */ UNIV_INLINE @@ -1160,7 +1162,7 @@ rec_offs_n_extern( return(n); } -/********************************************************** +/******************************************************//** Returns the offset of n - 1th field end if the record is stored in the 1-byte offsets form. If the field is SQL null, the flag is ORed in the returned value. This function and the 2-byte counterpart are defined here because the @@ -1180,7 +1182,7 @@ rec_1_get_prev_field_end_info( return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n))); } -/********************************************************** +/******************************************************//** Returns the offset of n - 1th field end if the record is stored in the 2-byte offsets form. If the field is SQL null, the flag is ORed in the returned value. @@ -1198,7 +1200,7 @@ rec_2_get_prev_field_end_info( return(mach_read_from_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n))); } -/********************************************************** +/******************************************************//** Sets the field end info for the nth field if the record is stored in the 1-byte format. */ UNIV_INLINE @@ -1215,7 +1217,7 @@ rec_1_set_field_end_info( mach_write_to_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1), info); } -/********************************************************** +/******************************************************//** Sets the field end info for the nth field if the record is stored in the 2-byte format. */ UNIV_INLINE @@ -1232,7 +1234,7 @@ rec_2_set_field_end_info( mach_write_to_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n + 2), info); } -/********************************************************** +/******************************************************//** Returns the offset of nth field start if the record is stored in the 1-byte offsets form. @return offset of the start of the field */ @@ -1255,7 +1257,7 @@ rec_1_get_field_start_offs( & ~REC_1BYTE_SQL_NULL_MASK); } -/********************************************************** +/******************************************************//** Returns the offset of nth field start if the record is stored in the 2-byte offsets form. @return offset of the start of the field */ @@ -1278,7 +1280,7 @@ rec_2_get_field_start_offs( & ~(REC_2BYTE_SQL_NULL_MASK | REC_2BYTE_EXTERN_MASK)); } -/********************************************************** +/******************************************************//** The following function is used to read the offset of the start of a data field in the record. The start of an SQL null field is the end offset of the previous non-null field, or 0, if none exists. If n is the number of the last @@ -1307,7 +1309,7 @@ rec_get_field_start_offs( return(rec_2_get_field_start_offs(rec, n)); } -/**************************************************************** +/************************************************************//** Gets the physical size of an old-style field. Also an SQL null may have a field of size > 0, if the data type is of a fixed size. @@ -1330,7 +1332,7 @@ rec_get_nth_field_size( return(next_os - os); } -/*************************************************************** +/***********************************************************//** This is used to modify the value of an already existing field in a record. The previous value must have exactly the same size as the new value. If len is UNIV_SQL_NULL then the field is treated as an SQL null. @@ -1374,7 +1376,7 @@ rec_set_nth_field( ut_memcpy(data2, data, len); } -/************************************************************** +/**********************************************************//** The following function returns the data size of an old-style physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function @@ -1391,7 +1393,7 @@ rec_get_data_size_old( return(rec_get_field_start_offs(rec, rec_get_n_fields_old(rec))); } -/************************************************************** +/**********************************************************//** The following function sets the number of fields in offsets. */ UNIV_INLINE void @@ -1409,7 +1411,7 @@ rec_offs_set_n_fields( offsets[1] = n_fields; } -/************************************************************** +/**********************************************************//** The following function returns the data size of a physical record, that is the sum of field lengths. SQL null fields are counted as length 0 fields. The value returned by the function @@ -1430,7 +1432,7 @@ rec_offs_data_size( return(size); } -/************************************************************** +/**********************************************************//** Returns the total size of record minus data size of record. The value returned by the function is the distance from record start to record origin in bytes. @@ -1448,7 +1450,7 @@ rec_offs_extra_size( return(size); } -/************************************************************** +/**********************************************************//** Returns the total size of a physical record. @return size */ UNIV_INLINE @@ -1460,7 +1462,7 @@ rec_offs_size( return(rec_offs_data_size(offsets) + rec_offs_extra_size(offsets)); } -/************************************************************** +/**********************************************************//** Returns a pointer to the end of the record. @return pointer to end */ UNIV_INLINE @@ -1474,7 +1476,7 @@ rec_get_end( return(rec + rec_offs_data_size(offsets)); } -/************************************************************** +/**********************************************************//** Returns a pointer to the start of the record. @return pointer to start */ UNIV_INLINE @@ -1488,7 +1490,7 @@ rec_get_start( return(rec - rec_offs_extra_size(offsets)); } -/******************************************************************* +/***************************************************************//** Copies a physical record to a buffer. @return pointer to the origin of the copy */ UNIV_INLINE @@ -1514,7 +1516,7 @@ rec_copy( return((byte*)buf + extra_len); } -/************************************************************** +/**********************************************************//** Returns the extra size of an old-style physical record if we know its data size and number of fields. @return extra size */ @@ -1534,7 +1536,7 @@ rec_get_converted_extra_size( return(REC_N_OLD_EXTRA_BYTES + 2 * n_fields); } -/************************************************************** +/**********************************************************//** The following function returns the size of a data tuple when converted to a physical record. @return size */ @@ -1577,7 +1579,7 @@ rec_get_converted_size( } #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Folds a prefix of a physical record to a ulint. Folds only existing fields, that is, checks that we do not run out of the record. @return the folded value */ diff --git a/include/rem0types.h b/include/rem0types.h index d0b11b92495..8b84d4af233 100644 --- a/include/rem0types.h +++ b/include/rem0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file include/rem0types.h Record manager global types Created 5/30/1994 Heikki Tuuri diff --git a/include/row0ext.h b/include/row0ext.h index 518f79f6420..43d82d644e6 100644 --- a/include/row0ext.h +++ b/include/row0ext.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0ext.h Caching of externally stored column prefixes Created September 2006 Marko Makela @@ -30,7 +31,7 @@ Created September 2006 Marko Makela #include "data0types.h" #include "mem0mem.h" -/************************************************************************ +/********************************************************************//** Creates a cache of column prefixes of externally stored columns. @return own: column prefix cache */ UNIV_INTERN @@ -51,9 +52,10 @@ row_ext_create( ulint zip_size,/*!< compressed page size in bytes, or 0 */ mem_heap_t* heap); /*!< in: heap where created */ -/************************************************************************ +/********************************************************************//** Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup_ith( @@ -62,9 +64,10 @@ row_ext_lookup_ith( ulint i, /*!< in: index of ext->ext[] */ ulint* len); /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ -/************************************************************************ +/********************************************************************//** Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup( @@ -77,12 +80,12 @@ row_ext_lookup( ulint* len); /*!< out: length of prefix, in bytes, at most REC_MAX_INDEX_COL_LEN */ -/* Prefixes of externally stored columns */ +/** Prefixes of externally stored columns */ struct row_ext_struct{ - ulint n_ext; /* number of externally stored columns */ - const ulint* ext; /* col_no's of externally stored columns */ - byte* buf; /* backing store of the column prefix cache */ - ulint len[1]; /* prefix lengths; 0 if not cached */ + ulint n_ext; /*!< number of externally stored columns */ + const ulint* ext; /*!< col_no's of externally stored columns */ + byte* buf; /*!< backing store of the column prefix cache */ + ulint len[1]; /*!< prefix lengths; 0 if not cached */ }; #ifndef UNIV_NONINL diff --git a/include/row0ext.ic b/include/row0ext.ic index 9a59d2238ad..82771a9312a 100644 --- a/include/row0ext.ic +++ b/include/row0ext.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0ext.ic Caching of externally stored column prefixes Created September 2006 Marko Makela @@ -25,9 +26,10 @@ Created September 2006 Marko Makela #include "rem0types.h" #include "btr0types.h" -/************************************************************************ +/********************************************************************//** Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup_ith( @@ -51,9 +53,10 @@ row_ext_lookup_ith( } } -/************************************************************************ +/********************************************************************//** Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, or pointer to field_ref_zero if the BLOB pointer is unset */ +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ UNIV_INLINE const byte* row_ext_lookup( diff --git a/include/row0ins.h b/include/row0ins.h index 308f27c1859..530622e6225 100644 --- a/include/row0ins.h +++ b/include/row0ins.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0ins.h Insert into a table Created 4/20/1996 Heikki Tuuri @@ -32,11 +33,12 @@ Created 4/20/1996 Heikki Tuuri #include "trx0types.h" #include "row0types.h" -/******************************************************************* +/***************************************************************//** Checks if foreign key constraint fails for an index entry. Sets shared locks which lock either the success or the failure of the constraint. NOTE that the caller must have a shared latch on dict_foreign_key_check_lock. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_NO_REFERENCED_ROW, or DB_ROW_IS_REFERENCED */ +@return DB_SUCCESS, DB_LOCK_WAIT, DB_NO_REFERENCED_ROW, or +DB_ROW_IS_REFERENCED */ UNIV_INTERN ulint row_ins_check_foreign_constraint( @@ -51,7 +53,7 @@ row_ins_check_foreign_constraint( table, else the referenced table */ dtuple_t* entry, /*!< in: index entry for index */ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************* +/*********************************************************************//** Creates an insert node struct. @return own: insert node struct */ UNIV_INTERN @@ -61,7 +63,7 @@ ins_node_create( ulint ins_type, /*!< in: INS_VALUES, ... */ dict_table_t* table, /*!< in: table where to insert */ mem_heap_t* heap); /*!< in: mem heap where created */ -/************************************************************************* +/*********************************************************************//** Sets a new row to insert for an INS_DIRECT node. This function is only used if we have constructed the row separately, which is a rare case; this function is quite slow. */ @@ -71,7 +73,7 @@ ins_node_set_new_row( /*=================*/ ins_node_t* node, /*!< in: insert node */ dtuple_t* row); /*!< in: new row (or first row) for the node */ -/******************************************************************* +/***************************************************************//** Inserts an index entry to index. Tries first optimistic, then pessimistic descent down the tree. If the entry matches enough to a delete marked record, performs the insert by updating or delete unmarking the delete marked @@ -86,7 +88,7 @@ row_ins_index_entry( ulint n_ext, /*!< in: number of externally stored columns */ ibool foreign,/*!< in: TRUE=check foreign key constraints */ que_thr_t* thr); /*!< in: query thread */ -/*************************************************************** +/***********************************************************//** Inserts a row to a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -95,7 +97,7 @@ que_thr_t* row_ins_step( /*=========*/ que_thr_t* thr); /*!< in: query thread */ -/*************************************************************** +/***********************************************************//** Creates an entry template for each index of a table. */ UNIV_INTERN void @@ -106,23 +108,23 @@ ins_node_create_entry_list( /* Insert node structure */ struct ins_node_struct{ - que_common_t common; /* node type: QUE_NODE_INSERT */ + que_common_t common; /*!< node type: QUE_NODE_INSERT */ ulint ins_type;/* INS_VALUES, INS_SEARCHED, or INS_DIRECT */ - dtuple_t* row; /* row to insert */ - dict_table_t* table; /* table where to insert */ - sel_node_t* select; /* select in searched insert */ + dtuple_t* row; /*!< row to insert */ + dict_table_t* table; /*!< table where to insert */ + sel_node_t* select; /*!< select in searched insert */ que_node_t* values_list;/* list of expressions to evaluate and insert in an INS_VALUES insert */ - ulint state; /* node execution state */ - dict_index_t* index; /* NULL, or the next index where the index + ulint state; /*!< node execution state */ + dict_index_t* index; /*!< NULL, or the next index where the index entry should be inserted */ - dtuple_t* entry; /* NULL, or entry to insert in the index; + dtuple_t* entry; /*!< NULL, or entry to insert in the index; after a successful insert of the entry, this should be reset to NULL */ UT_LIST_BASE_NODE_T(dtuple_t) entry_list;/* list of entries, one for each index */ byte* row_id_buf;/* buffer for the row id sys field in row */ - trx_id_t trx_id; /* trx id or the last trx which executed the + trx_id_t trx_id; /*!< trx id or the last trx which executed the node */ byte* trx_id_buf;/* buffer for the trx id sys field in row */ mem_heap_t* entry_sys_heap; diff --git a/include/row0ins.ic b/include/row0ins.ic index b7aeaf97834..84f6da255bf 100644 --- a/include/row0ins.ic +++ b/include/row0ins.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0ins.ic Insert into a table Created 4/20/1996 Heikki Tuuri diff --git a/include/row0merge.h b/include/row0merge.h index e74da02edce..62a5efd11f7 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0merge.h Index build routines using a merge sort Created 13/06/2005 Jan Lindstrom @@ -38,28 +39,30 @@ Created 13/06/2005 Jan Lindstrom #include "row0mysql.h" #include "lock0types.h" -/* This structure holds index field definitions */ - +/** Index field definition */ struct merge_index_field_struct { - ulint prefix_len; /* Prefix len */ - const char* field_name; /* Field name */ + ulint prefix_len; /*!< column prefix length, or 0 + if indexing the whole column */ + const char* field_name; /*!< field name */ }; +/** Index field definition */ typedef struct merge_index_field_struct merge_index_field_t; -/* This structure holds index definitions */ - +/** Definition of an index being created */ struct merge_index_def_struct { - const char* name; /* Index name */ - ulint ind_type; /* 0, DICT_UNIQUE, + const char* name; /*!< index name */ + ulint ind_type; /*!< 0, DICT_UNIQUE, or DICT_CLUSTERED */ - ulint n_fields; /* Number of fields in index */ - merge_index_field_t* fields; /* Field definitions */ + ulint n_fields; /*!< number of fields + in index */ + merge_index_field_t* fields; /*!< field definitions */ }; +/** Definition of an index being created */ typedef struct merge_index_def_struct merge_index_def_t; -/************************************************************************* +/*********************************************************************//** Sets an exclusive lock on a table, for the duration of creating indexes. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -69,7 +72,7 @@ row_merge_lock_table( trx_t* trx, /*!< in/out: transaction */ dict_table_t* table, /*!< in: table to lock */ enum lock_mode mode); /*!< in: LOCK_X or LOCK_S */ -/************************************************************************* +/*********************************************************************//** Drop an index from the InnoDB system tables. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. */ @@ -80,7 +83,7 @@ row_merge_drop_index( dict_index_t* index, /*!< in: index to be removed */ dict_table_t* table, /*!< in: table */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Drop those indexes which were created before an error occurred when building an index. The data dictionary must have been locked exclusively by the caller, because the transaction will not be @@ -93,13 +96,13 @@ row_merge_drop_indexes( dict_table_t* table, /*!< in: table containing the indexes */ dict_index_t** index, /*!< in: indexes to drop */ ulint num_created); /*!< in: number of elements in index[] */ -/************************************************************************* +/*********************************************************************//** Drop all partially created indexes during crash recovery. */ UNIV_INTERN void row_merge_drop_temp_indexes(void); /*=============================*/ -/************************************************************************* +/*********************************************************************//** Rename the tables in the data dictionary. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. @@ -115,7 +118,7 @@ row_merge_rename_tables( const char* tmp_name, /*!< in: new name for old_table */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Create a temporary table for creating a primary key, using the definition of an existing table. @return table, or NULL on error */ @@ -129,7 +132,7 @@ row_merge_create_temporary_table( const dict_table_t* table, /*!< in: old table definition */ trx_t* trx); /*!< in/out: transaction (sets error_state) */ -/************************************************************************* +/*********************************************************************//** Rename the temporary indexes in the dictionary to permanent ones. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. @@ -140,7 +143,7 @@ row_merge_rename_indexes( /*=====================*/ trx_t* trx, /*!< in/out: transaction */ dict_table_t* table); /*!< in/out: table with new indexes */ -/************************************************************************* +/*********************************************************************//** Create the index and load in to the dictionary. @return index, or NULL on error */ UNIV_INTERN @@ -151,7 +154,7 @@ row_merge_create_index( dict_table_t* table, /*!< in: the index is on this table */ const merge_index_def_t*index_def); /*!< in: the index definition */ -/************************************************************************* +/*********************************************************************//** Check if a transaction can use an index. @return TRUE if index can be used by the transaction else FALSE */ UNIV_INTERN @@ -160,7 +163,7 @@ row_merge_is_index_usable( /*======================*/ const trx_t* trx, /*!< in: transaction */ const dict_index_t* index); /*!< in: index to check */ -/************************************************************************* +/*********************************************************************//** If there are views that refer to the old table name then we "attach" to the new instance of the table else we drop it immediately. @return DB_SUCCESS or error code */ @@ -171,7 +174,7 @@ row_merge_drop_table( trx_t* trx, /*!< in: transaction */ dict_table_t* table); /*!< in: table instance to drop */ -/************************************************************************* +/*********************************************************************//** Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting these index entries and inserting sorted index entries to indexes. diff --git a/include/row0mysql.h b/include/row0mysql.h index 37aa19c2633..97028622505 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0mysql.h Interface between Innobase row operations and MySQL. Contains also create table and other data dictionary operations. @@ -39,7 +40,7 @@ extern ibool row_rollback_on_timeout; typedef struct row_prebuilt_struct row_prebuilt_t; -/*********************************************************************** +/*******************************************************************//** Frees the blob heap in prebuilt when no longer needed. */ UNIV_INTERN void @@ -47,10 +48,11 @@ row_mysql_prebuilt_free_blob_heap( /*==============================*/ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct of a ha_innobase:: table handle */ -/*********************************************************************** +/*******************************************************************//** Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row format. -@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ UNIV_INTERN byte* row_mysql_store_true_var_len( @@ -58,11 +60,12 @@ row_mysql_store_true_var_len( byte* dest, /*!< in: where to store */ ulint len, /*!< in: length, must fit in two bytes */ ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ -/*********************************************************************** +/*******************************************************************//** Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and returns a pointer to the data. -@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ - +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ +UNIV_INTERN const byte* row_mysql_read_true_varchar( /*========================*/ @@ -70,7 +73,7 @@ row_mysql_read_true_varchar( const byte* field, /*!< in: field in the MySQL format */ ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ -/*********************************************************************** +/*******************************************************************//** Stores a reference to a BLOB in the MySQL format. */ UNIV_INTERN void @@ -87,10 +90,10 @@ row_mysql_store_blob_ref( is SQL NULL this should be 0; remember also to set the NULL bit in the MySQL record header! */ -/*********************************************************************** +/*******************************************************************//** Reads a reference to a BLOB in the MySQL format. @return pointer to BLOB data */ - +UNIV_INTERN const byte* row_mysql_read_blob_ref( /*====================*/ @@ -99,7 +102,7 @@ row_mysql_read_blob_ref( MySQL format */ ulint col_len); /*!< in: BLOB reference length (not BLOB length) */ -/****************************************************************** +/**************************************************************//** Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. The counterpart of this function is row_sel_field_store_in_mysql_format() in row0sel.c. @@ -133,9 +136,10 @@ row_mysql_store_col_in_innobase_format( payload data; if the column is a true VARCHAR then this is irrelevant */ ulint comp); /*!< in: nonzero=compact format */ -/******************************************************************** +/****************************************************************//** Handles user errors and lock waits detected by the database engine. -@return TRUE if it was a lock wait and we should continue running the query thread */ +@return TRUE if it was a lock wait and we should continue running the +query thread */ UNIV_INTERN ibool row_mysql_handle_errors( @@ -146,7 +150,7 @@ row_mysql_handle_errors( trx_t* trx, /*!< in: transaction */ que_thr_t* thr, /*!< in: query thread */ trx_savept_t* savept);/*!< in: savepoint */ -/************************************************************************ +/********************************************************************//** Create a prebuilt struct for a MySQL table handle. @return own: a prebuilt struct */ UNIV_INTERN @@ -154,7 +158,7 @@ row_prebuilt_t* row_create_prebuilt( /*================*/ dict_table_t* table); /*!< in: Innobase table handle */ -/************************************************************************ +/********************************************************************//** Free a prebuilt struct for a MySQL table handle. */ UNIV_INTERN void @@ -162,7 +166,7 @@ row_prebuilt_free( /*==============*/ row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ ibool dict_locked); /*!< in: TRUE=data dictionary locked */ -/************************************************************************* +/*********************************************************************//** Updates the transaction pointers in query graphs stored in the prebuilt struct. */ UNIV_INTERN @@ -172,14 +176,14 @@ row_update_prebuilt_trx( row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct in MySQL handle */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ trx_t* trx); /*!< in/out: transaction */ -/************************************************************************* +/*********************************************************************//** Sets an AUTO_INC type lock on the table mentioned in prebuilt. The AUTO_INC lock gives exclusive access to the auto-inc counter of the table. The lock is reserved only for the duration of an SQL statement. @@ -192,7 +196,7 @@ row_lock_table_autoinc_for_mysql( /*=============================*/ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in the MySQL table handle */ -/************************************************************************* +/*********************************************************************//** Sets a table lock on the table mentioned in prebuilt. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -208,7 +212,7 @@ row_lock_table_for_mysql( ulint mode); /*!< in: lock mode of table (ignored if table==NULL) */ -/************************************************************************* +/*********************************************************************//** Does an insert for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -218,7 +222,7 @@ row_insert_for_mysql( byte* mysql_rec, /*!< in: row in the MySQL format */ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ -/************************************************************************* +/*********************************************************************//** Builds a dummy query graph used in selects. */ UNIV_INTERN void @@ -226,7 +230,7 @@ row_prebuild_sel_graph( /*===================*/ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ -/************************************************************************* +/*********************************************************************//** Gets pointer to a prebuilt update vector used in updates. If the update graph has not yet been built in the prebuilt struct, then this function first builds it. @@ -237,7 +241,7 @@ row_get_prebuilt_update_vector( /*===========================*/ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ -/************************************************************************* +/*********************************************************************//** Checks if a table is such that we automatically created a clustered index on it (on row id). @return TRUE if the clustered index was generated automatically */ @@ -246,7 +250,7 @@ ibool row_table_got_default_clust_index( /*==============================*/ const dict_table_t* table); /*!< in: table */ -/************************************************************************* +/*********************************************************************//** Calculates the key number used inside MySQL for an Innobase index. We have to take into account if we generated a default clustered index for the table @return the key number used inside MySQL */ @@ -255,7 +259,7 @@ ulint row_get_mysql_key_number_for_index( /*===============================*/ const dict_index_t* index); /*!< in: index */ -/************************************************************************* +/*********************************************************************//** Does an update or delete of a row for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -266,7 +270,7 @@ row_update_for_mysql( the MySQL format */ row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ -/************************************************************************* +/*********************************************************************//** This can only be used when srv_locks_unsafe_for_binlog is TRUE or session is using a READ COMMITTED isolation level. Before calling this function we must use trx_reset_new_rec_lock_info() and @@ -288,7 +292,7 @@ row_unlock_for_mysql( the latches on the records under pcur and clust_pcur, and we do not need to reposition the cursors. */ -/************************************************************************* +/*********************************************************************//** Creates an query graph node of 'update' type to be used in the MySQL interface. @return own: update node */ @@ -298,7 +302,7 @@ row_create_update_node_for_mysql( /*=============================*/ dict_table_t* table, /*!< in: table to update */ mem_heap_t* heap); /*!< in: mem heap from which allocated */ -/************************************************************************** +/**********************************************************************//** Does a cascaded delete or set null in a foreign key operation. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -309,7 +313,7 @@ row_update_cascade_for_mysql( upd_node_t* node, /*!< in: update node used in the cascade or set null operation */ dict_table_t* table); /*!< in: table where we do the operation */ -/************************************************************************* +/*********************************************************************//** Locks the data dictionary exclusively for performing a table create or other data dictionary modification operation. */ UNIV_INTERN @@ -321,14 +325,14 @@ row_mysql_lock_data_dictionary_func( ulint line); /*!< in: line number */ #define row_mysql_lock_data_dictionary(trx) \ row_mysql_lock_data_dictionary_func(trx, __FILE__, __LINE__) -/************************************************************************* +/*********************************************************************//** Unlocks the data dictionary exclusive lock. */ UNIV_INTERN void row_mysql_unlock_data_dictionary( /*=============================*/ trx_t* trx); /*!< in/out: transaction */ -/************************************************************************* +/*********************************************************************//** Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ UNIV_INTERN @@ -340,14 +344,14 @@ row_mysql_freeze_data_dictionary_func( ulint line); /*!< in: line number */ #define row_mysql_freeze_data_dictionary(trx) \ row_mysql_freeze_data_dictionary_func(trx, __FILE__, __LINE__) -/************************************************************************* +/*********************************************************************//** Unlocks the data dictionary shared lock. */ UNIV_INTERN void row_mysql_unfreeze_data_dictionary( /*===============================*/ trx_t* trx); /*!< in/out: transaction */ -/************************************************************************* +/*********************************************************************//** Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also start the printing of monitor @@ -361,7 +365,7 @@ row_create_table_for_mysql( dict_table_t* table, /*!< in, own: table definition (will be freed) */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Does an index creation operation for MySQL. TODO: currently failure to create an index results in dropping the whole table! This is no problem currently as all indexes must be created at the same time as the table. @@ -379,7 +383,7 @@ row_create_index_for_mysql( index columns, which are then checked for not being too large. */ -/************************************************************************* +/*********************************************************************//** Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. @@ -404,7 +408,7 @@ row_table_add_foreign_constraints( code DB_CANNOT_ADD_CONSTRAINT if any foreign keys are found. */ -/************************************************************************* +/*********************************************************************//** The master thread in srv0srv.c calls this regularly to drop tables which we must drop in background after queries to them have ended. Such lazy dropping of tables is needed in ALTER TABLE on Unix. @@ -413,7 +417,7 @@ UNIV_INTERN ulint row_drop_tables_for_mysql_in_background(void); /*=========================================*/ -/************************************************************************* +/*********************************************************************//** Get the background drop list length. NOTE: the caller must own the kernel mutex! @return how many tables in list */ @@ -421,7 +425,7 @@ UNIV_INTERN ulint row_get_background_drop_list_len_low(void); /*======================================*/ -/************************************************************************* +/*********************************************************************//** Truncates a table for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -430,7 +434,7 @@ row_truncate_table_for_mysql( /*=========================*/ dict_table_t* table, /*!< in: table handle */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Drops a table for MySQL. If the name of the dropped table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor @@ -446,7 +450,7 @@ row_drop_table_for_mysql( trx_t* trx, /*!< in: transaction handle */ ibool drop_db);/*!< in: TRUE=dropping whole database */ -/************************************************************************* +/*********************************************************************//** Discards the tablespace of a table which stored in an .ibd file. Discarding means that this function deletes the .ibd file and assigns a new table id for the table. Also the flag table->ibd_file_missing is set TRUE. @@ -457,7 +461,7 @@ row_discard_tablespace_for_mysql( /*=============================*/ const char* name, /*!< in: table name */ trx_t* trx); /*!< in: transaction handle */ -/********************************************************************* +/*****************************************************************//** Imports a tablespace. The space id in the .ibd file must match the space id of the table in the data dictionary. @return error code or DB_SUCCESS */ @@ -467,7 +471,7 @@ row_import_tablespace_for_mysql( /*============================*/ const char* name, /*!< in: table name */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Drops a database for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -476,7 +480,7 @@ row_drop_database_for_mysql( /*========================*/ const char* name, /*!< in: database name which ends to '/' */ trx_t* trx); /*!< in: transaction handle */ -/************************************************************************* +/*********************************************************************//** Renames a table for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -487,7 +491,7 @@ row_rename_table_for_mysql( const char* new_name, /*!< in: new table name */ trx_t* trx, /*!< in: transaction handle */ ibool commit); /*!< in: if TRUE then commit trx */ -/************************************************************************* +/*********************************************************************//** Checks a table for corruption. @return DB_ERROR or DB_SUCCESS */ UNIV_INTERN @@ -497,7 +501,7 @@ row_check_table_for_mysql( row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ -/************************************************************************* +/*********************************************************************//** Determines if a table is a magic monitor table. @return TRUE if monitor table */ UNIV_INTERN @@ -514,24 +518,24 @@ Innobase and MySQL. */ typedef struct mysql_row_templ_struct mysql_row_templ_t; struct mysql_row_templ_struct { - ulint col_no; /* column number of the column */ - ulint rec_field_no; /* field number of the column in an + ulint col_no; /*!< column number of the column */ + ulint rec_field_no; /*!< field number of the column in an Innobase record in the current index; not defined if template_type is ROW_MYSQL_WHOLE_ROW */ - ulint mysql_col_offset; /* offset of the column in the MySQL + ulint mysql_col_offset; /*!< offset of the column in the MySQL row format */ - ulint mysql_col_len; /* length of the column in the MySQL + ulint mysql_col_len; /*!< length of the column in the MySQL row format */ - ulint mysql_null_byte_offset; /* MySQL NULL bit byte offset in a + ulint mysql_null_byte_offset; /*!< MySQL NULL bit byte offset in a MySQL record */ - ulint mysql_null_bit_mask; /* bit mask to get the NULL bit, + ulint mysql_null_bit_mask; /*!< bit mask to get the NULL bit, zero if column cannot be NULL */ - ulint type; /* column type in Innobase mtype + ulint type; /*!< column type in Innobase mtype numbers DATA_CHAR... */ - ulint mysql_type; /* MySQL type code; this is always + ulint mysql_type; /*!< MySQL type code; this is always < 256 */ - ulint mysql_length_bytes; /* if mysql_type + ulint mysql_length_bytes; /*!< if mysql_type == DATA_MYSQL_TRUE_VARCHAR, this tells whether we should use 1 or 2 bytes to store the MySQL true VARCHAR data @@ -539,13 +543,13 @@ struct mysql_row_templ_struct { format (NOTE that the MySQL key value format always uses 2 bytes for the data len) */ - ulint charset; /* MySQL charset-collation code + ulint charset; /*!< MySQL charset-collation code of the column, or zero */ - ulint mbminlen; /* minimum length of a char, in bytes, + ulint mbminlen; /*!< minimum length of a char, in bytes, or zero if not a char type */ - ulint mbmaxlen; /* maximum length of a char, in bytes, + ulint mbmaxlen; /*!< maximum length of a char, in bytes, or zero if not a char type */ - ulint is_unsigned; /* if a column type is an integer + ulint is_unsigned; /*!< if a column type is an integer type and this field is != 0, then it is an unsigned integer type */ }; @@ -557,81 +561,81 @@ struct mysql_row_templ_struct { #define ROW_PREBUILT_ALLOCATED 78540783 #define ROW_PREBUILT_FREED 26423527 -/* A struct for (sometimes lazily) prebuilt structures in an Innobase table +/** A struct for (sometimes lazily) prebuilt structures in an Innobase table handle used within MySQL; these are used to save CPU time. */ struct row_prebuilt_struct { - ulint magic_n; /* this magic number is set to + ulint magic_n; /*!< this magic number is set to ROW_PREBUILT_ALLOCATED when created, or ROW_PREBUILT_FREED when the struct has been freed */ - dict_table_t* table; /* Innobase table handle */ - dict_index_t* index; /* current index for a search, if + dict_table_t* table; /*!< Innobase table handle */ + dict_index_t* index; /*!< current index for a search, if any */ - trx_t* trx; /* current transaction handle */ - unsigned sql_stat_start:1;/* TRUE when we start processing of + trx_t* trx; /*!< current transaction handle */ + unsigned sql_stat_start:1;/*!< TRUE when we start processing of an SQL statement: we may have to set an intention lock on the table, create a consistent read view etc. */ - unsigned mysql_has_locked:1; /* this is set TRUE when MySQL + unsigned mysql_has_locked:1;/*!< this is set TRUE when MySQL calls external_lock on this handle with a lock flag, and set FALSE when with the F_UNLOCK flag */ unsigned clust_index_was_generated:1; - /* if the user did not define a + /*!< if the user did not define a primary key in MySQL, then Innobase automatically generated a clustered index where the ordering column is the row id: in this case this flag is set to TRUE */ - unsigned index_usable:1; /* caches the value of + unsigned index_usable:1; /*!< caches the value of row_merge_is_index_usable(trx,index) */ - unsigned read_just_key:1;/* set to 1 when MySQL calls + unsigned read_just_key:1;/*!< set to 1 when MySQL calls ha_innobase::extra with the argument HA_EXTRA_KEYREAD; it is enough to read just columns defined in the index (i.e., no read of the clustered index record necessary) */ - unsigned used_in_HANDLER:1;/* TRUE if we have been using this + unsigned used_in_HANDLER:1;/*!< TRUE if we have been using this handle in a MySQL HANDLER low level index cursor command: then we must store the pcur position even in a unique search from a clustered index, because HANDLER allows NEXT and PREV in such a situation */ - unsigned template_type:2;/* ROW_MYSQL_WHOLE_ROW, + unsigned template_type:2;/*!< ROW_MYSQL_WHOLE_ROW, ROW_MYSQL_REC_FIELDS, ROW_MYSQL_DUMMY_TEMPLATE, or ROW_MYSQL_NO_TEMPLATE */ - unsigned n_template:10; /* number of elements in the + unsigned n_template:10; /*!< number of elements in the template */ - unsigned null_bitmap_len:10;/* number of bytes in the SQL NULL + unsigned null_bitmap_len:10;/*!< number of bytes in the SQL NULL bitmap at the start of a row in the MySQL format */ - unsigned need_to_access_clustered:1; /* if we are fetching + unsigned need_to_access_clustered:1; /*!< if we are fetching columns through a secondary index and at least one column is not in the secondary index, then this is set to TRUE */ - unsigned templ_contains_blob:1;/* TRUE if the template contains + unsigned templ_contains_blob:1;/*!< TRUE if the template contains BLOB column(s) */ - mysql_row_templ_t* mysql_template;/* template used to transform + mysql_row_templ_t* mysql_template;/*!< template used to transform rows fast between MySQL and Innobase formats; memory for this template is not allocated from 'heap' */ - mem_heap_t* heap; /* memory heap from which + mem_heap_t* heap; /*!< memory heap from which these auxiliary structures are allocated when needed */ - ins_node_t* ins_node; /* Innobase SQL insert node + ins_node_t* ins_node; /*!< Innobase SQL insert node used to perform inserts to the table */ - byte* ins_upd_rec_buff;/* buffer for storing data converted + byte* ins_upd_rec_buff;/*!< buffer for storing data converted to the Innobase format from the MySQL format */ - const byte* default_rec; /* the default values of all columns + const byte* default_rec; /*!< the default values of all columns (a "default row") in MySQL format */ ulint hint_need_to_fetch_extra_cols; - /* normally this is set to 0; if this + /*!< normally this is set to 0; if this is set to ROW_RETRIEVE_PRIMARY_KEY, then we should at least retrieve all columns in the primary key; if this @@ -639,33 +643,33 @@ struct row_prebuilt_struct { we must retrieve all columns in the key (if read_just_key == 1), or all columns in the table */ - upd_node_t* upd_node; /* Innobase SQL update node used + upd_node_t* upd_node; /*!< Innobase SQL update node used to perform updates and deletes */ - que_fork_t* ins_graph; /* Innobase SQL query graph used + que_fork_t* ins_graph; /*!< Innobase SQL query graph used in inserts */ - que_fork_t* upd_graph; /* Innobase SQL query graph used + que_fork_t* upd_graph; /*!< Innobase SQL query graph used in updates or deletes */ - btr_pcur_t* pcur; /* persistent cursor used in selects + btr_pcur_t* pcur; /*!< persistent cursor used in selects and updates */ - btr_pcur_t* clust_pcur; /* persistent cursor used in + btr_pcur_t* clust_pcur; /*!< persistent cursor used in some selects and updates */ - que_fork_t* sel_graph; /* dummy query graph used in + que_fork_t* sel_graph; /*!< dummy query graph used in selects */ - dtuple_t* search_tuple; /* prebuilt dtuple used in selects */ + dtuple_t* search_tuple; /*!< prebuilt dtuple used in selects */ byte row_id[DATA_ROW_ID_LEN]; - /* if the clustered index was + /*!< if the clustered index was generated, the row id of the last row fetched is stored here */ - dtuple_t* clust_ref; /* prebuilt dtuple used in + dtuple_t* clust_ref; /*!< prebuilt dtuple used in sel/upd/del */ - ulint select_lock_type;/* LOCK_NONE, LOCK_S, or LOCK_X */ - ulint stored_select_lock_type;/* this field is used to + ulint select_lock_type;/*!< LOCK_NONE, LOCK_S, or LOCK_X */ + ulint stored_select_lock_type;/*!< this field is used to remember the original select_lock_type that was decided in ha_innodb.cc, ::store_lock(), ::external_lock(), etc. */ - ulint row_read_type; /* ROW_READ_WITH_LOCKS if row locks + ulint row_read_type; /*!< ROW_READ_WITH_LOCKS if row locks should be the obtained for records under an UPDATE or DELETE cursor. If innodb_locks_unsafe_for_binlog @@ -690,7 +694,7 @@ struct row_prebuilt_struct { This eliminates lock waits in some cases; note that this breaks serializability. */ - ulint new_rec_locks; /* normally 0; if + ulint new_rec_locks; /*!< normally 0; if srv_locks_unsafe_for_binlog is TRUE or session is using READ COMMITTED isolation level, in a @@ -705,15 +709,15 @@ struct row_prebuilt_struct { these can be used to implement a 'mini-rollback' that releases the latest record locks */ - ulint mysql_prefix_len;/* byte offset of the end of + ulint mysql_prefix_len;/*!< byte offset of the end of the last requested column */ - ulint mysql_row_len; /* length in bytes of a row in the + ulint mysql_row_len; /*!< length in bytes of a row in the MySQL format */ - ulint n_rows_fetched; /* number of rows fetched after + ulint n_rows_fetched; /*!< number of rows fetched after positioning the current cursor */ - ulint fetch_direction;/* ROW_SEL_NEXT or ROW_SEL_PREV */ + ulint fetch_direction;/*!< ROW_SEL_NEXT or ROW_SEL_PREV */ byte* fetch_cache[MYSQL_FETCH_CACHE_SIZE]; - /* a cache for fetched rows if we + /*!< a cache for fetched rows if we fetch many rows from the same cursor: it saves CPU time to fetch them in a batch; we reserve mysql_row_len @@ -722,36 +726,37 @@ struct row_prebuilt_struct { allocated mem buf start, because there is a 4 byte magic number at the start and at the end */ - ibool keep_other_fields_on_keyread; /* when using fetch + ibool keep_other_fields_on_keyread; /*!< when using fetch cache with HA_EXTRA_KEYREAD, don't overwrite other fields in mysql row row buffer.*/ - ulint fetch_cache_first;/* position of the first not yet + ulint fetch_cache_first;/*!< position of the first not yet fetched row in fetch_cache */ - ulint n_fetch_cached; /* number of not yet fetched rows + ulint n_fetch_cached; /*!< number of not yet fetched rows in fetch_cache */ - mem_heap_t* blob_heap; /* in SELECTS BLOB fields are copied + mem_heap_t* blob_heap; /*!< in SELECTS BLOB fields are copied to this heap */ - mem_heap_t* old_vers_heap; /* memory heap where a previous + mem_heap_t* old_vers_heap; /*!< memory heap where a previous version is built in consistent read */ /*----------------------*/ - ulonglong autoinc_last_value;/* last value of AUTO-INC interval */ - ulonglong autoinc_increment;/* The increment step of the auto + ulonglong autoinc_last_value; + /*!< last value of AUTO-INC interval */ + ulonglong autoinc_increment;/*!< The increment step of the auto increment column. Value must be greater than or equal to 1. Required to calculate the next value */ - ulonglong autoinc_offset; /* The offset passed to + ulonglong autoinc_offset; /*!< The offset passed to get_auto_increment() by MySQL. Required to calculate the next value */ - ulint autoinc_error; /* The actual error code encountered + ulint autoinc_error; /*!< The actual error code encountered while trying to init or read the autoinc value from the table. We store it here so that we can return it to MySQL */ /*----------------------*/ UT_LIST_NODE_T(row_prebuilt_t) prebuilts; - /* list node of table->prebuilts */ - ulint magic_n2; /* this should be the same as + /*!< list node of table->prebuilts */ + ulint magic_n2; /*!< this should be the same as magic_n */ }; diff --git a/include/row0mysql.ic b/include/row0mysql.ic index 5260ae17924..35033aa2ad1 100644 --- a/include/row0mysql.ic +++ b/include/row0mysql.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0mysql.ic MySQL interface for Innobase Created 1/23/2001 Heikki Tuuri diff --git a/include/row0purge.h b/include/row0purge.h index d58b04b8d2c..485d51dbc83 100644 --- a/include/row0purge.h +++ b/include/row0purge.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0purge.h Purge obsolete records Created 3/14/1997 Heikki Tuuri @@ -34,7 +35,7 @@ Created 3/14/1997 Heikki Tuuri #include "que0types.h" #include "row0types.h" -/************************************************************************ +/********************************************************************//** Creates a purge node to a query graph. @return own: purge node */ UNIV_INTERN @@ -43,7 +44,7 @@ row_purge_node_create( /*==================*/ que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ mem_heap_t* heap); /*!< in: memory heap where created */ -/*************************************************************** +/***********************************************************//** Determines if it is possible to remove a secondary index entry. Removal is possible if the secondary index entry does not refer to any not delete marked version of a clustered index record where DB_TRX_ID @@ -78,7 +79,7 @@ row_purge_step( /* Purge node structure */ struct purge_node_struct{ - que_common_t common; /* node type: QUE_NODE_PURGE */ + que_common_t common; /*!< node type: QUE_NODE_PURGE */ /*----------------------*/ /* Local storage for this graph node */ roll_ptr_t roll_ptr;/* roll pointer to undo log record */ @@ -88,24 +89,24 @@ struct purge_node_struct{ undo_no_t undo_no;/* undo number of the record */ ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, ... */ - btr_pcur_t pcur; /* persistent cursor used in searching the + btr_pcur_t pcur; /*!< persistent cursor used in searching the clustered index record */ ibool found_clust;/* TRUE if the clustered index record determined by ref was found in the clustered index, and we were able to position pcur on it */ - dict_table_t* table; /* table where purge is done */ + dict_table_t* table; /*!< table where purge is done */ ulint cmpl_info;/* compiler analysis info of an update */ - upd_t* update; /* update vector for a clustered index + upd_t* update; /*!< update vector for a clustered index record */ - dtuple_t* ref; /* NULL, or row reference to the next row to + dtuple_t* ref; /*!< NULL, or row reference to the next row to handle */ - dtuple_t* row; /* NULL, or a copy (also fields copied to + dtuple_t* row; /*!< NULL, or a copy (also fields copied to heap) of the indexed fields of the row to handle */ - dict_index_t* index; /* NULL, or the next index whose record should + dict_index_t* index; /*!< NULL, or the next index whose record should be handled */ - mem_heap_t* heap; /* memory heap used as auxiliary storage for + mem_heap_t* heap; /*!< memory heap used as auxiliary storage for row; this must be emptied after a successful purge of a row */ }; diff --git a/include/row0purge.ic b/include/row0purge.ic index 5fc665e9d20..23d7d3845a4 100644 --- a/include/row0purge.ic +++ b/include/row0purge.ic @@ -17,7 +17,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0purge.ic Purge obsolete records Created 3/14/1997 Heikki Tuuri diff --git a/include/row0row.h b/include/row0row.h index 231a30c8cb9..2162768c1f6 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0row.h General row routines Created 4/20/1996 Heikki Tuuri @@ -36,7 +37,7 @@ Created 4/20/1996 Heikki Tuuri #include "row0types.h" #include "btr0types.h" -/************************************************************************* +/*********************************************************************//** Gets the offset of the trx id field, in bytes relative to the origin of a clustered index record. @return offset of DATA_TRX_ID */ @@ -47,7 +48,7 @@ row_get_trx_id_offset( const rec_t* rec, /*!< in: record */ dict_index_t* index, /*!< in: clustered index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/************************************************************************* +/*********************************************************************//** Reads the trx id field from a clustered index record. @return value of the field */ UNIV_INLINE @@ -57,7 +58,7 @@ row_get_rec_trx_id( const rec_t* rec, /*!< in: record */ dict_index_t* index, /*!< in: clustered index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/************************************************************************* +/*********************************************************************//** Reads the roll pointer field from a clustered index record. @return value of the field */ UNIV_INLINE @@ -67,10 +68,12 @@ row_get_rec_roll_ptr( const rec_t* rec, /*!< in: record */ dict_index_t* index, /*!< in: clustered index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/********************************************************************* +/*****************************************************************//** When an insert or purge to a table is performed, this function builds the entry to be inserted into or purged from an index on the table. -@return index entry which should be inserted or purged, or NULL if the externally stored columns in the clustered index record are unavailable and ext != NULL */ +@return index entry which should be inserted or purged, or NULL if the +externally stored columns in the clustered index record are +unavailable and ext != NULL */ UNIV_INTERN dtuple_t* row_build_index_entry( @@ -82,7 +85,7 @@ row_build_index_entry( dict_index_t* index, /*!< in: index on the table */ mem_heap_t* heap); /*!< in: memory heap from which the memory for the index entry is allocated */ -/*********************************************************************** +/*******************************************************************//** An inverse function to row_build_index_entry. Builds a row from a record in a clustered index. @return own: row built; see the NOTE below! */ @@ -124,9 +127,10 @@ row_build( prefixes, or NULL */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*********************************************************************** +/*******************************************************************//** Converts an index record to a typed data tuple. -@return index entry built; does not set info_bits, and the data fields in the entry will point directly to rec */ +@return index entry built; does not set info_bits, and the data fields +in the entry will point directly to rec */ UNIV_INTERN dtuple_t* row_rec_to_index_entry_low( @@ -138,7 +142,7 @@ row_rec_to_index_entry_low( stored columns */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*********************************************************************** +/*******************************************************************//** Converts an index record to a typed data tuple. NOTE that externally stored (often big) fields are NOT copied to heap. @return own: index entry built; see the NOTE below! */ @@ -167,7 +171,7 @@ row_rec_to_index_entry( stored columns */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. @return own: row reference built; see the NOTE below! */ @@ -189,7 +193,7 @@ row_build_row_ref( as long as the row reference is used! */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. */ UNIV_INTERN @@ -210,7 +214,7 @@ row_build_row_ref_in_tuple( ulint* offsets,/*!< in: rec_get_offsets(rec, index) or NULL */ trx_t* trx); /*!< in: transaction */ -/*********************************************************************** +/*******************************************************************//** From a row build a row reference with which we can search the clustered index record. */ UNIV_INTERN @@ -225,7 +229,7 @@ row_build_row_ref_from_row( const dtuple_t* row); /*!< in: row NOTE: the data fields in ref will point directly into data of this row */ -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. */ UNIV_INLINE @@ -241,7 +245,7 @@ row_build_row_ref_fast( preserved while ref is used, as we do not copy field values to heap */ const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************************* +/***************************************************************//** Searches the clustered index record for a row, if we have the row reference. @return TRUE if found */ @@ -255,7 +259,7 @@ row_search_on_row_ref( const dict_table_t* table, /*!< in: table */ const dtuple_t* ref, /*!< in: row reference */ mtr_t* mtr); /*!< in/out: mtr */ -/************************************************************************* +/*********************************************************************//** Fetches the clustered index record for a secondary index record. The latches on the secondary index record are preserved. @return record or NULL, if no record found */ @@ -269,22 +273,22 @@ row_get_clust_rec( dict_index_t** clust_index,/*!< out: clustered index */ mtr_t* mtr); /*!< in: mtr */ -/* Result of row_search_index_entry */ +/** Result of row_search_index_entry */ enum row_search_result { - ROW_FOUND = 0, /* the record was found */ - ROW_NOT_FOUND, /* record not found */ - ROW_BUFFERED, /* one of BTR_INSERT, BTR_DELETE, or + ROW_FOUND = 0, /*!< the record was found */ + ROW_NOT_FOUND, /*!< record not found */ + ROW_BUFFERED, /*!< one of BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK was specified, the secondary index leaf page was not in the buffer pool, and the operation was enqueued in the insert/delete buffer */ - ROW_NOT_DELETED_REF, /* BTR_DELETE was specified, and + ROW_NOT_DELETED_REF, /*!< BTR_DELETE was specified, and row_purge_poss_sec() failed */ - ROW_NOT_DELETED, /* BTR_DELETE was specified, and the + ROW_NOT_DELETED, /*!< BTR_DELETE was specified, and the optimistic delete failed */ }; -/******************************************************************* +/***************************************************************//** Searches an index record. @return whether the record was found or buffered */ UNIV_INTERN @@ -310,13 +314,13 @@ row_search_index_entry( No new latches may be obtained while the kernel mutex is reserved. However, the kernel mutex can be reserved while latches are owned. */ -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) using "dict_field" and writes the result to "buf". Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the +The result is always NUL-terminated (provided buf_size is positive) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). +terminating NUL). @return number of bytes that were written */ UNIV_INTERN ulint diff --git a/include/row0row.ic b/include/row0row.ic index dd4378252ed..05c007641af 100644 --- a/include/row0row.ic +++ b/include/row0row.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0row.ic General row routines Created 4/20/1996 Heikki Tuuri @@ -26,7 +27,7 @@ Created 4/20/1996 Heikki Tuuri #include "rem0rec.h" #include "trx0undo.h" -/************************************************************************* +/*********************************************************************//** Reads the trx id field from a clustered index record. @return value of the field */ UNIV_INLINE @@ -51,7 +52,7 @@ row_get_rec_trx_id( return(trx_read_trx_id(rec + offset)); } -/************************************************************************* +/*********************************************************************//** Reads the roll pointer field from a clustered index record. @return value of the field */ UNIV_INLINE @@ -76,7 +77,7 @@ row_get_rec_roll_ptr( return(trx_read_roll_ptr(rec + offset + DATA_TRX_ID_LEN)); } -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. */ UNIV_INLINE diff --git a/include/row0sel.h b/include/row0sel.h index e6f4d1f7b0e..01a5afaa23e 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0sel.h Select Created 12/19/1997 Heikki Tuuri @@ -37,7 +38,7 @@ Created 12/19/1997 Heikki Tuuri #include "read0read.h" #include "row0mysql.h" -/************************************************************************* +/*********************************************************************//** Creates a select node struct. @return own: select node struct */ UNIV_INTERN @@ -45,7 +46,7 @@ sel_node_t* sel_node_create( /*============*/ mem_heap_t* heap); /*!< in: memory heap where created */ -/************************************************************************* +/*********************************************************************//** Frees the memory private to a select node when a query graph is freed, does not free the heap where the node was originally created. */ UNIV_INTERN @@ -53,7 +54,7 @@ void sel_node_free_private( /*==================*/ sel_node_t* node); /*!< in: select node struct */ -/************************************************************************* +/*********************************************************************//** Frees a prefetch buffer for a column, including the dynamically allocated memory for data stored there. */ UNIV_INTERN @@ -61,7 +62,7 @@ void sel_col_prefetch_buf_free( /*======================*/ sel_buf_t* prefetch_buf); /*!< in, own: prefetch buffer */ -/************************************************************************* +/*********************************************************************//** Gets the plan node for the nth table in a join. @return plan node */ UNIV_INLINE @@ -70,7 +71,7 @@ sel_node_get_nth_plan( /*==================*/ sel_node_t* node, /*!< in: select node */ ulint i); /*!< in: get ith plan node */ -/************************************************************************** +/**********************************************************************//** Performs a select step. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -79,7 +80,7 @@ que_thr_t* row_sel_step( /*=========*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs an execution step of an open or close cursor statement node. @return query thread to run next or NULL */ UNIV_INLINE @@ -87,7 +88,7 @@ que_thr_t* open_step( /*======*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Performs a fetch for a cursor. @return query thread to run next or NULL */ UNIV_INTERN @@ -95,7 +96,7 @@ que_thr_t* fetch_step( /*=======*/ que_thr_t* thr); /*!< in: query thread */ -/******************************************************************** +/****************************************************************//** Sample callback function for fetch that prints each row. @return always returns non-NULL */ UNIV_INTERN @@ -104,7 +105,7 @@ row_fetch_print( /*============*/ void* row, /*!< in: sel_node_t* */ void* user_arg); /*!< in: not used */ -/******************************************************************** +/****************************************************************//** Callback function for fetch that stores an unsigned 4 byte integer to the location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length = 4. @@ -115,7 +116,7 @@ row_fetch_store_uint4( /*==================*/ void* row, /*!< in: sel_node_t* */ void* user_arg); /*!< in: data pointer */ -/*************************************************************** +/***********************************************************//** Prints a row in a select result. @return query thread to run next or NULL */ UNIV_INTERN @@ -123,7 +124,7 @@ que_thr_t* row_printf_step( /*============*/ que_thr_t* thr); /*!< in: query thread */ -/******************************************************************** +/****************************************************************//** Converts a key value stored in MySQL format to an Innobase dtuple. The last field of the key value may be just a prefix of a fixed length field: hence the parameter key_len. But currently we do not allow search keys where the @@ -144,13 +145,14 @@ row_sel_convert_mysql_key_to_innobase( const byte* key_ptr, /*!< in: MySQL key value */ ulint key_len, /*!< in: MySQL key value length */ trx_t* trx); /*!< in: transaction */ -/************************************************************************ +/********************************************************************//** Searches for rows in the database. This is used in the interface to MySQL. This function opens a cursor, and also implements fetch next and fetch prev. NOTE that if we do a search with a full key value from a unique index (ROW_SEL_EXACT), then we will not store the cursor position and fetch next or fetch prev must not be tried to the cursor! -@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, DB_LOCK_TABLE_FULL, or DB_TOO_BIG_RECORD */ +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, +DB_LOCK_TABLE_FULL, or DB_TOO_BIG_RECORD */ UNIV_INTERN ulint row_search_for_mysql( @@ -172,7 +174,7 @@ row_search_for_mysql( then prebuilt must have a pcur with stored position! In opening of a cursor 'direction' should be 0. */ -/*********************************************************************** +/*******************************************************************//** Checks if MySQL at the moment is allowed for this table to retrieve a consistent read result, or store it to the query cache. @return TRUE if storing or retrieving from the query cache is permitted */ @@ -183,7 +185,7 @@ row_search_check_if_query_cache_permitted( trx_t* trx, /*!< in: transaction object */ const char* norm_name); /*!< in: concatenation of database name, '/' char, table name */ -/*********************************************************************** +/*******************************************************************//** Read the max AUTOINC value from an index. @return DB_SUCCESS if all OK else error code */ UNIV_INTERN @@ -194,29 +196,30 @@ row_search_max_autoinc( const char* col_name, /*!< in: autoinc column name */ ib_uint64_t* value); /*!< out: AUTOINC value read */ -/* A structure for caching column values for prefetched rows */ +/** A structure for caching column values for prefetched rows */ struct sel_buf_struct{ - byte* data; /* data, or NULL; if not NULL, this field + byte* data; /*!< data, or NULL; if not NULL, this field has allocated memory which must be explicitly freed; can be != NULL even when len is UNIV_SQL_NULL */ - ulint len; /* data length or UNIV_SQL_NULL */ + ulint len; /*!< data length or UNIV_SQL_NULL */ ulint val_buf_size; - /* size of memory buffer allocated for data: + /*!< size of memory buffer allocated for data: this can be more than len; this is defined when data != NULL */ }; +/** Query plan */ struct plan_struct{ - dict_table_t* table; /* table struct in the dictionary + dict_table_t* table; /*!< table struct in the dictionary cache */ - dict_index_t* index; /* table index used in the search */ - btr_pcur_t pcur; /* persistent cursor used to search + dict_index_t* index; /*!< table index used in the search */ + btr_pcur_t pcur; /*!< persistent cursor used to search the index */ - ibool asc; /* TRUE if cursor traveling upwards */ - ibool pcur_is_open; /* TRUE if pcur has been positioned + ibool asc; /*!< TRUE if cursor traveling upwards */ + ibool pcur_is_open; /*!< TRUE if pcur has been positioned and we can try to fetch new rows */ - ibool cursor_at_end; /* TRUE if the cursor is open but + ibool cursor_at_end; /*!< TRUE if the cursor is open but we know that there are no more qualifying rows left to retrieve from the index tree; NOTE though, that @@ -224,31 +227,34 @@ struct plan_struct{ the prefetch stack; always FALSE when pcur_is_open is FALSE */ ibool stored_cursor_rec_processed; - /* TRUE if the pcur position has been + /*!< TRUE if the pcur position has been stored and the record it is positioned on has already been processed */ - que_node_t** tuple_exps; /* array of expressions which are used - to calculate the field values in the - search tuple: there is one expression - for each field in the search tuple */ - dtuple_t* tuple; /* search tuple */ - ulint mode; /* search mode: PAGE_CUR_G, ... */ - ulint n_exact_match; /* number of first fields in the search - tuple which must be exactly matched */ - ibool unique_search; /* TRUE if we are searching an + que_node_t** tuple_exps; /*!< array of expressions + which are used to calculate + the field values in the search + tuple: there is one expression + for each field in the search + tuple */ + dtuple_t* tuple; /*!< search tuple */ + ulint mode; /*!< search mode: PAGE_CUR_G, ... */ + ulint n_exact_match; /*!< number of first fields in + the search tuple which must be + exactly matched */ + ibool unique_search; /*!< TRUE if we are searching an index record with a unique key */ - ulint n_rows_fetched; /* number of rows fetched using pcur + ulint n_rows_fetched; /*!< number of rows fetched using pcur after it was opened */ - ulint n_rows_prefetched;/* number of prefetched rows cached + ulint n_rows_prefetched;/*!< number of prefetched rows cached for fetch: fetching several rows in the same mtr saves CPU time */ - ulint first_prefetched;/* index of the first cached row in + ulint first_prefetched;/*!< index of the first cached row in select buffer arrays for each column */ - ibool no_prefetch; /* no prefetch for this table */ - sym_node_list_t columns; /* symbol table nodes for the columns + ibool no_prefetch; /*!< no prefetch for this table */ + sym_node_list_t columns; /*!< symbol table nodes for the columns to retrieve from the table */ UT_LIST_BASE_NODE_T(func_node_t) - end_conds; /* conditions which determine the + end_conds; /*!< conditions which determine the fetch limit of the index segment we have to look at: when one of these fails, the result set has been @@ -257,9 +263,9 @@ struct plan_struct{ so that in a comparison the column for this table is the first argument */ UT_LIST_BASE_NODE_T(func_node_t) - other_conds; /* the rest of search conditions we can + other_conds; /*!< the rest of search conditions we can test at this table in a join */ - ibool must_get_clust; /* TRUE if index is a non-clustered + ibool must_get_clust; /*!< TRUE if index is a non-clustered index and we must also fetch the clustered index record; this is the case if the non-clustered record does @@ -267,52 +273,63 @@ struct plan_struct{ if this is a single-table explicit cursor, or a searched update or delete */ - ulint* clust_map; /* map telling how clust_ref is built + ulint* clust_map; /*!< map telling how clust_ref is built from the fields of a non-clustered record */ - dtuple_t* clust_ref; /* the reference to the clustered + dtuple_t* clust_ref; /*!< the reference to the clustered index entry is built here if index is a non-clustered index */ - btr_pcur_t clust_pcur; /* if index is non-clustered, we use + btr_pcur_t clust_pcur; /*!< if index is non-clustered, we use this pcur to search the clustered index */ - mem_heap_t* old_vers_heap; /* memory heap used in building an old + mem_heap_t* old_vers_heap; /*!< memory heap used in building an old version of a row, or NULL */ }; +/** Select node states */ +enum sel_node_state { + SEL_NODE_CLOSED, /*!< it is a declared cursor which is not + currently open */ + SEL_NODE_OPEN, /*!< intention locks not yet set on tables */ + SEL_NODE_FETCH, /*!< intention locks have been set */ + SEL_NODE_NO_MORE_ROWS /*!< cursor has reached the result set end */ +}; + +/** Select statement node */ struct sel_node_struct{ - que_common_t common; /* node type: QUE_NODE_SELECT */ - ulint state; /* node state */ - que_node_t* select_list; /* select list */ - sym_node_t* into_list; /* variables list or NULL */ - sym_node_t* table_list; /* table list */ - ibool asc; /* TRUE if the rows should be fetched + que_common_t common; /*!< node type: QUE_NODE_SELECT */ + enum sel_node_state + state; /*!< node state */ + que_node_t* select_list; /*!< select list */ + sym_node_t* into_list; /*!< variables list or NULL */ + sym_node_t* table_list; /*!< table list */ + ibool asc; /*!< TRUE if the rows should be fetched in an ascending order */ - ibool set_x_locks; /* TRUE if the cursor is for update or + ibool set_x_locks; /*!< TRUE if the cursor is for update or delete, which means that a row x-lock should be placed on the cursor row */ - ulint row_lock_mode; /* LOCK_X or LOCK_S */ - ulint n_tables; /* number of tables */ - ulint fetch_table; /* number of the next table to access + ulint row_lock_mode; /*!< LOCK_X or LOCK_S */ + ulint n_tables; /*!< number of tables */ + ulint fetch_table; /*!< number of the next table to access in the join */ - plan_t* plans; /* array of n_tables many plan nodes + plan_t* plans; /*!< array of n_tables many plan nodes containing the search plan and the search data structures */ - que_node_t* search_cond; /* search condition */ - read_view_t* read_view; /* if the query is a non-locking + que_node_t* search_cond; /*!< search condition */ + read_view_t* read_view; /*!< if the query is a non-locking consistent read, its read view is placed here, otherwise NULL */ - ibool consistent_read;/* TRUE if the select is a consistent, + ibool consistent_read;/*!< TRUE if the select is a consistent, non-locking read */ - order_node_t* order_by; /* order by column definition, or + order_node_t* order_by; /*!< order by column definition, or NULL */ - ibool is_aggregate; /* TRUE if the select list consists of + ibool is_aggregate; /*!< TRUE if the select list consists of aggregate functions */ ibool aggregate_already_fetched; - /* TRUE if the aggregate row has + /*!< TRUE if the aggregate row has already been fetched for the current cursor */ - ibool can_get_updated;/* this is TRUE if the select + ibool can_get_updated;/*!< this is TRUE if the select is in a single-table explicit cursor which can get updated within the stored procedure, @@ -323,31 +340,22 @@ struct sel_node_struct{ checks from a stored procedure if it contains positioned update or delete statements */ - sym_node_t* explicit_cursor;/* not NULL if an explicit cursor */ + sym_node_t* explicit_cursor;/*!< not NULL if an explicit cursor */ UT_LIST_BASE_NODE_T(sym_node_t) - copy_variables; /* variables whose values we have to + copy_variables; /*!< variables whose values we have to copy when an explicit cursor is opened, so that they do not change between fetches */ }; -/* Select node states */ -#define SEL_NODE_CLOSED 0 /* it is a declared cursor which is not - currently open */ -#define SEL_NODE_OPEN 1 /* intention locks not yet set on - tables */ -#define SEL_NODE_FETCH 2 /* intention locks have been set */ -#define SEL_NODE_NO_MORE_ROWS 3 /* cursor has reached the result set - end */ - -/* Fetch statement node */ +/** Fetch statement node */ struct fetch_node_struct{ - que_common_t common; /* type: QUE_NODE_FETCH */ - sel_node_t* cursor_def; /* cursor definition */ - sym_node_t* into_list; /* variables to set */ + que_common_t common; /*!< type: QUE_NODE_FETCH */ + sel_node_t* cursor_def; /*!< cursor definition */ + sym_node_t* into_list; /*!< variables to set */ pars_user_func_t* - func; /* User callback function or NULL. + func; /*!< User callback function or NULL. The first argument to the function is a sel_node_t*, containing the results of the SELECT operation for @@ -361,33 +369,42 @@ struct fetch_node_struct{ (and a useful debugging tool). */ }; -/* Open or close cursor statement node */ +/** Open or close cursor operation type */ +enum open_node_op { + ROW_SEL_OPEN_CURSOR, /*!< open cursor */ + ROW_SEL_CLOSE_CURSOR /*!< close cursor */ +}; + +/** Open or close cursor statement node */ struct open_node_struct{ - que_common_t common; /* type: QUE_NODE_OPEN */ - ulint op_type; /* ROW_SEL_OPEN_CURSOR or - ROW_SEL_CLOSE_CURSOR */ - sel_node_t* cursor_def; /* cursor definition */ + que_common_t common; /*!< type: QUE_NODE_OPEN */ + enum open_node_op + op_type; /*!< operation type: open or + close cursor */ + sel_node_t* cursor_def; /*!< cursor definition */ }; -/* Row printf statement node */ +/** Row printf statement node */ struct row_printf_node_struct{ - que_common_t common; /* type: QUE_NODE_ROW_PRINTF */ - sel_node_t* sel_node; /* select */ + que_common_t common; /*!< type: QUE_NODE_ROW_PRINTF */ + sel_node_t* sel_node; /*!< select */ }; -#define ROW_SEL_OPEN_CURSOR 0 -#define ROW_SEL_CLOSE_CURSOR 1 +/** Search direction for the MySQL interface */ +enum row_sel_direction { + ROW_SEL_NEXT = 1, /*!< ascending direction */ + ROW_SEL_PREV = 2 /*!< descending direction */ +}; -/* Flags for the MySQL interface */ -#define ROW_SEL_NEXT 1 -#define ROW_SEL_PREV 2 - -#define ROW_SEL_EXACT 1 /* search using a complete key value */ -#define ROW_SEL_EXACT_PREFIX 2 /* search using a key prefix which - must match to rows: the prefix may - contain an incomplete field (the - last field in prefix may be just - a prefix of a fixed length column) */ +/** Match mode for the MySQL interface */ +enum row_sel_match_mode { + ROW_SEL_EXACT = 1, /*!< search using a complete key value */ + ROW_SEL_EXACT_PREFIX /*!< search using a key prefix which + must match rows: the prefix may + contain an incomplete field (the last + field in prefix may be just a prefix + of a fixed length column) */ +}; #ifndef UNIV_NONINL #include "row0sel.ic" diff --git a/include/row0sel.ic b/include/row0sel.ic index dcbcafba3b2..5907f9913da 100644 --- a/include/row0sel.ic +++ b/include/row0sel.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0sel.ic Select Created 12/19/1997 Heikki Tuuri @@ -24,7 +25,7 @@ Created 12/19/1997 Heikki Tuuri #include "que0que.h" -/************************************************************************* +/*********************************************************************//** Gets the plan node for the nth table in a join. @return plan node */ UNIV_INLINE @@ -39,7 +40,7 @@ sel_node_get_nth_plan( return(node->plans + i); } -/************************************************************************* +/*********************************************************************//** Resets the cursor defined by sel_node to the SEL_NODE_OPEN state, which means that it will start fetching from the start of the result set again, regardless of where it was before, and it will set intention locks on the tables. */ @@ -52,7 +53,7 @@ sel_node_reset_cursor( node->state = SEL_NODE_OPEN; } -/************************************************************************** +/**********************************************************************//** Performs an execution step of an open or close cursor statement node. @return query thread to run next or NULL */ UNIV_INLINE diff --git a/include/row0types.h b/include/row0types.h index f0af7c2bf53..7920fd75061 100644 --- a/include/row0types.h +++ b/include/row0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0types.h Row operation global types Created 12/27/1996 Heikki Tuuri diff --git a/include/row0uins.h b/include/row0uins.h index 86edf70f256..77b071c3a6b 100644 --- a/include/row0uins.h +++ b/include/row0uins.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0uins.h Fresh insert undo Created 2/25/1997 Heikki Tuuri @@ -33,7 +34,7 @@ Created 2/25/1997 Heikki Tuuri #include "row0types.h" #include "mtr0mtr.h" -/*************************************************************** +/***********************************************************//** Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete marked, at the time of the insert. InnoDB is eager in a rollback: diff --git a/include/row0uins.ic b/include/row0uins.ic index 75bef8431eb..27606150d8e 100644 --- a/include/row0uins.ic +++ b/include/row0uins.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0uins.ic Fresh insert undo Created 2/25/1997 Heikki Tuuri diff --git a/include/row0umod.h b/include/row0umod.h index 7b4d8b6c2e3..ed44cc8d601 100644 --- a/include/row0umod.h +++ b/include/row0umod.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0umod.h Undo modify of a row Created 2/27/1997 Heikki Tuuri @@ -33,7 +34,7 @@ Created 2/27/1997 Heikki Tuuri #include "row0types.h" #include "mtr0mtr.h" -/*************************************************************** +/***********************************************************//** Undoes a modify operation on a row of a table. @return DB_SUCCESS or error code */ UNIV_INTERN diff --git a/include/row0umod.ic b/include/row0umod.ic index 7ac7bc2fea7..ea3fd3b43c7 100644 --- a/include/row0umod.ic +++ b/include/row0umod.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0umod.ic Undo modify of a row Created 2/27/1997 Heikki Tuuri diff --git a/include/row0undo.h b/include/row0undo.h index eda48477db0..6eb4ca448b3 100644 --- a/include/row0undo.h +++ b/include/row0undo.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0undo.h Row undo Created 1/8/1997 Heikki Tuuri @@ -35,7 +36,7 @@ Created 1/8/1997 Heikki Tuuri #include "que0types.h" #include "row0types.h" -/************************************************************************ +/********************************************************************//** Creates a row undo node to a query graph. @return own: undo node */ UNIV_INTERN @@ -45,18 +46,19 @@ row_undo_node_create( trx_t* trx, /*!< in: transaction */ que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ mem_heap_t* heap); /*!< in: memory heap where created */ -/*************************************************************** +/***********************************************************//** Looks for the clustered index record when node has the row reference. The pcur in node is used in the search. If found, stores the row to node, and stores the position of pcur, and detaches it. The pcur must be closed by the caller in any case. -@return TRUE if found; NOTE the node->pcur must be closed by the caller, regardless of the return value */ +@return TRUE if found; NOTE the node->pcur must be closed by the +caller, regardless of the return value */ UNIV_INTERN ibool row_undo_search_clust_to_pcur( /*==========================*/ undo_node_t* node); /*!< in: row undo node */ -/*************************************************************** +/***********************************************************//** Undoes a row operation in a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -81,51 +83,57 @@ just in the case where the transaction modified the same record several times and another thread is currently doing the undo for successive versions of that index record. */ -/* Undo node structure */ +/** Execution state of an undo node */ +enum undo_exec { + UNDO_NODE_FETCH_NEXT = 1, /*!< we should fetch the next + undo log record */ + UNDO_NODE_PREV_VERS, /*!< the roll ptr to previous + version of a row is stored in + node, and undo should be done + based on it */ + UNDO_NODE_INSERT, /*!< undo a fresh insert of a + row to a table */ + UNDO_NODE_MODIFY /*!< undo a modify operation + (DELETE or UPDATE) on a row + of a table */ +}; +/** Undo node structure */ struct undo_node_struct{ - que_common_t common; /* node type: QUE_NODE_UNDO */ - ulint state; /* node execution state */ - trx_t* trx; /* trx for which undo is done */ - roll_ptr_t roll_ptr;/* roll pointer to undo log record */ - trx_undo_rec_t* undo_rec;/* undo log record */ - undo_no_t undo_no;/* undo number of the record */ - ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, + que_common_t common; /*!< node type: QUE_NODE_UNDO */ + enum undo_exec state; /*!< node execution state */ + trx_t* trx; /*!< trx for which undo is done */ + roll_ptr_t roll_ptr;/*!< roll pointer to undo log record */ + trx_undo_rec_t* undo_rec;/*!< undo log record */ + undo_no_t undo_no;/*!< undo number of the record */ + ulint rec_type;/*!< undo log record type: TRX_UNDO_INSERT_REC, ... */ - roll_ptr_t new_roll_ptr; /* roll ptr to restore to clustered index + roll_ptr_t new_roll_ptr; + /*!< roll ptr to restore to clustered index record */ - trx_id_t new_trx_id; /* trx id to restore to clustered index + trx_id_t new_trx_id; /*!< trx id to restore to clustered index record */ - btr_pcur_t pcur; /* persistent cursor used in searching the + btr_pcur_t pcur; /*!< persistent cursor used in searching the clustered index record */ - dict_table_t* table; /* table where undo is done */ - ulint cmpl_info;/* compiler analysis of an update */ - upd_t* update; /* update vector for a clustered index + dict_table_t* table; /*!< table where undo is done */ + ulint cmpl_info;/*!< compiler analysis of an update */ + upd_t* update; /*!< update vector for a clustered index record */ - dtuple_t* ref; /* row reference to the next row to handle */ - dtuple_t* row; /* a copy (also fields copied to heap) of the + dtuple_t* ref; /*!< row reference to the next row to handle */ + dtuple_t* row; /*!< a copy (also fields copied to heap) of the row to handle */ - row_ext_t* ext; /* NULL, or prefixes of the externally + row_ext_t* ext; /*!< NULL, or prefixes of the externally stored columns of the row */ - dtuple_t* undo_row;/* NULL, or the row after undo */ - row_ext_t* undo_ext;/* NULL, or prefixes of the externally + dtuple_t* undo_row;/*!< NULL, or the row after undo */ + row_ext_t* undo_ext;/*!< NULL, or prefixes of the externally stored columns of undo_row */ - dict_index_t* index; /* the next index whose record should be + dict_index_t* index; /*!< the next index whose record should be handled */ - mem_heap_t* heap; /* memory heap used as auxiliary storage for + mem_heap_t* heap; /*!< memory heap used as auxiliary storage for row; this must be emptied after undo is tried on a row */ }; -/* Execution states for an undo node */ -#define UNDO_NODE_FETCH_NEXT 1 /* we should fetch the next undo log - record */ -#define UNDO_NODE_PREV_VERS 2 /* the roll ptr to previous version of - a row is stored in node, and undo - should be done based on it */ -#define UNDO_NODE_INSERT 3 -#define UNDO_NODE_MODIFY 4 - #ifndef UNIV_NONINL #include "row0undo.ic" diff --git a/include/row0undo.ic b/include/row0undo.ic index 921e3633b10..dc788debc14 100644 --- a/include/row0undo.ic +++ b/include/row0undo.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0undo.ic Row undo Created 1/8/1997 Heikki Tuuri diff --git a/include/row0upd.h b/include/row0upd.h index 4b4e3ed1fef..635d746d5a1 100644 --- a/include/row0upd.h +++ b/include/row0upd.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0upd.h Update of a row Created 12/27/1996 Heikki Tuuri @@ -38,7 +39,7 @@ Created 12/27/1996 Heikki Tuuri # include "pars0types.h" #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Creates an update vector object. @return own: update vector object */ UNIV_INLINE @@ -47,7 +48,7 @@ upd_create( /*=======*/ ulint n, /*!< in: number of fields */ mem_heap_t* heap); /*!< in: heap from which memory allocated */ -/************************************************************************* +/*********************************************************************//** Returns the number of fields in the update vector == number of columns to be updated by an update vector. @return number of fields */ @@ -57,7 +58,7 @@ upd_get_n_fields( /*=============*/ const upd_t* update); /*!< in: update vector */ #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Returns the nth field of an update vector. @return update vector field */ UNIV_INLINE @@ -70,7 +71,7 @@ upd_get_nth_field( # define upd_get_nth_field(update, n) ((update)->fields + (n)) #endif #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Sets an index field number to be updated by an update vector field. */ UNIV_INLINE void @@ -81,7 +82,7 @@ upd_field_set_field_no( index */ dict_index_t* index, /*!< in: index */ trx_t* trx); /*!< in: transaction */ -/************************************************************************* +/*********************************************************************//** Returns a field of an update vector by field_no. @return update vector field, or NULL */ UNIV_INLINE @@ -91,7 +92,7 @@ upd_get_field_by_field_no( const upd_t* update, /*!< in: update vector */ ulint no) /*!< in: field_no */ __attribute__((nonnull, pure)); -/************************************************************************* +/*********************************************************************//** Writes into the redo log the values of trx id and roll ptr and enough info to determine their positions within a clustered index record. @return new pointer to mlog */ @@ -105,7 +106,7 @@ row_upd_write_sys_vals_to_log( byte* log_ptr,/*!< pointer to a buffer of size > 20 opened in mlog */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************* +/*********************************************************************//** Updates the trx id and roll ptr field in a clustered index record when a row is updated or marked deleted. */ UNIV_INLINE @@ -119,7 +120,7 @@ row_upd_rec_sys_fields( const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ trx_t* trx, /*!< in: transaction */ roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ -/************************************************************************* +/*********************************************************************//** Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN void @@ -132,7 +133,7 @@ row_upd_index_entry_sys_field( dict_index_t* index, /*!< in: clustered index */ ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ dulint val); /*!< in: value to write */ -/************************************************************************* +/*********************************************************************//** Creates an update node for a query graph. @return own: update node */ UNIV_INTERN @@ -140,7 +141,7 @@ upd_node_t* upd_node_create( /*============*/ mem_heap_t* heap); /*!< in: mem heap where created */ -/*************************************************************** +/***********************************************************//** Writes to the redo log the new values of the fields occurring in the index. */ UNIV_INTERN void @@ -152,10 +153,11 @@ row_upd_index_write_log( of free space; the buffer is closed within this function */ mtr_t* mtr); /*!< in: mtr into whose log to write */ -/*************************************************************** +/***********************************************************//** Returns TRUE if row update changes size of some field in index or if some field to be updated is stored externally in rec or update. -@return TRUE if the update changes the size of some field in index or the field is external in rec or update */ +@return TRUE if the update changes the size of some field in index or +the field is external in rec or update */ UNIV_INTERN ibool row_upd_changes_field_size_or_external( @@ -164,7 +166,7 @@ row_upd_changes_field_size_or_external( const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ const upd_t* update);/*!< in: update vector */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the record given. No field size changes are allowed. */ UNIV_INTERN @@ -178,7 +180,7 @@ row_upd_rec_in_place( page_zip_des_t* page_zip);/*!< in: compressed page with enough space available, or NULL */ #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare the fields as binary strings! @@ -192,11 +194,12 @@ row_upd_build_sec_rec_difference_binary( const rec_t* rec, /*!< in: secondary index record */ trx_t* trx, /*!< in: transaction */ mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/******************************************************************* +/***************************************************************//** Builds an update vector from those fields, excluding the roll ptr and trx id fields, which in an index entry differ from a record that has the equal ordering fields. NOTE: we compare the fields as binary strings! -@return own: update vector of differing fields, excluding roll ptr and trx id */ +@return own: update vector of differing fields, excluding roll ptr and +trx id */ UNIV_INTERN upd_t* row_upd_build_difference_binary( @@ -206,7 +209,7 @@ row_upd_build_difference_binary( const rec_t* rec, /*!< in: clustered index record */ trx_t* trx, /*!< in: transaction */ mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the index entry given. */ UNIV_INTERN @@ -229,7 +232,7 @@ row_upd_index_replace_new_col_vals_index_pos( mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ __attribute__((nonnull)); -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the index entry given. */ UNIV_INTERN @@ -248,7 +251,7 @@ row_upd_index_replace_new_col_vals( mem_heap_t* heap) /*!< in: memory heap for allocating and copying the new values */ __attribute__((nonnull)); -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector. */ UNIV_INTERN void @@ -265,12 +268,13 @@ row_upd_replace( const upd_t* update, /*!< in: an update vector built for the clustered index */ mem_heap_t* heap); /*!< in: memory heap */ -/*************************************************************** +/***********************************************************//** Checks if an update vector changes an ordering field of an index record. + This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. NOTE: we compare the fields as binary strings! -@return TRUE if update vector changes an ordering field in the index record; NOTE: the fields are compared as binary strings */ +@return TRUE if update vector changes an ordering field in the index record */ UNIV_INTERN ibool row_upd_changes_ord_field_binary( @@ -283,19 +287,20 @@ row_upd_changes_ord_field_binary( const upd_t* update);/*!< in: update vector for the row; NOTE: the field numbers in this MUST be clustered index positions! */ -/*************************************************************** +/***********************************************************//** Checks if an update vector changes an ordering field of an index record. This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. NOTE: we compare the fields as binary strings! -@return TRUE if update vector may change an ordering field in an index record */ +@return TRUE if update vector may change an ordering field in an index +record */ UNIV_INTERN ibool row_upd_changes_some_index_ord_field_binary( /*========================================*/ const dict_table_t* table, /*!< in: table */ const upd_t* update);/*!< in: update vector for the row */ -/*************************************************************** +/***********************************************************//** Updates a row in a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -305,7 +310,7 @@ row_upd_step( /*=========*/ que_thr_t* thr); /*!< in: query thread */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Parses the log data of system field values. @return log data end or NULL */ UNIV_INTERN @@ -317,7 +322,7 @@ row_upd_parse_sys_vals( ulint* pos, /*!< out: TRX_ID position in record */ trx_id_t* trx_id, /*!< out: trx id */ roll_ptr_t* roll_ptr);/*!< out: roll ptr */ -/************************************************************************* +/*********************************************************************//** Updates the trx id and roll ptr field in a clustered index record in database recovery. */ UNIV_INTERN @@ -330,7 +335,7 @@ row_upd_rec_sys_fields_in_recovery( ulint pos, /*!< in: TRX_ID position in rec */ trx_id_t trx_id, /*!< in: transaction id */ roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ -/************************************************************************* +/*********************************************************************//** Parses the log data written by row_upd_index_write_log. @return log data end or NULL */ UNIV_INTERN @@ -346,29 +351,29 @@ row_upd_index_parse( /* Update vector field */ struct upd_field_struct{ - unsigned field_no:16; /* field number in an index, usually + unsigned field_no:16; /*!< field number in an index, usually the clustered index, but in updating a secondary index record in btr0cur.c this is the position in the secondary index */ #ifndef UNIV_HOTBACKUP - unsigned orig_len:16; /* original length of the locally + unsigned orig_len:16; /*!< original length of the locally stored part of an externally stored column, or 0 */ - que_node_t* exp; /* expression for calculating a new + que_node_t* exp; /*!< expression for calculating a new value: it refers to column values and constants in the symbol table of the query graph */ #endif /* !UNIV_HOTBACKUP */ - dfield_t new_val; /* new value for the column */ + dfield_t new_val; /*!< new value for the column */ }; /* Update vector structure */ struct upd_struct{ - ulint info_bits; /* new value of info bits to record; + ulint info_bits; /*!< new value of info bits to record; default is 0 */ - ulint n_fields; /* number of update fields */ - upd_field_t* fields; /* array of update fields */ + ulint n_fields; /*!< number of update fields */ + upd_field_t* fields; /*!< array of update fields */ }; #ifndef UNIV_HOTBACKUP @@ -376,7 +381,7 @@ struct upd_struct{ of a row */ struct upd_node_struct{ - que_common_t common; /* node type: QUE_NODE_UPDATE */ + que_common_t common; /*!< node type: QUE_NODE_UPDATE */ ibool is_delete;/* TRUE if delete, FALSE if update */ ibool searched_update; /* TRUE if searched update, FALSE if @@ -392,16 +397,16 @@ struct upd_node_struct{ or ... SET NULL for foreign keys */ mem_heap_t* cascade_heap;/* NULL or a mem heap where the cascade node is created */ - sel_node_t* select; /* query graph subtree implementing a base + sel_node_t* select; /*!< query graph subtree implementing a base table cursor: the rows returned will be updated */ - btr_pcur_t* pcur; /* persistent cursor placed on the clustered + btr_pcur_t* pcur; /*!< persistent cursor placed on the clustered index record which should be updated or deleted; the cursor is stored in the graph of 'select' field above, except in the case of the MySQL interface */ - dict_table_t* table; /* table where updated */ - upd_t* update; /* update vector for the row */ + dict_table_t* table; /*!< table where updated */ + upd_t* update; /*!< update vector for the row */ ulint update_n_fields; /* when this struct is used to implement a cascade operation for foreign keys, we store @@ -420,18 +425,18 @@ struct upd_node_struct{ UPD_NODE_NO_SIZE_CHANGE, ORed */ /*----------------------*/ /* Local storage for this graph node */ - ulint state; /* node execution state */ - dict_index_t* index; /* NULL, or the next index whose record should + ulint state; /*!< node execution state */ + dict_index_t* index; /*!< NULL, or the next index whose record should be updated */ - dtuple_t* row; /* NULL, or a copy (also fields copied to + dtuple_t* row; /*!< NULL, or a copy (also fields copied to heap) of the row to update; this must be reset to NULL after a successful update */ - row_ext_t* ext; /* NULL, or prefixes of the externally + row_ext_t* ext; /*!< NULL, or prefixes of the externally stored columns in the old row */ dtuple_t* upd_row;/* NULL, or a copy of the updated row */ row_ext_t* upd_ext;/* NULL, or prefixes of the externally stored columns in upd_row */ - mem_heap_t* heap; /* memory heap used as auxiliary storage; + mem_heap_t* heap; /*!< memory heap used as auxiliary storage; this must be emptied after a successful update */ /*----------------------*/ diff --git a/include/row0upd.ic b/include/row0upd.ic index e74ffea72a7..18e22f1eca9 100644 --- a/include/row0upd.ic +++ b/include/row0upd.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0upd.ic Update of a row Created 12/27/1996 Heikki Tuuri @@ -31,7 +32,7 @@ Created 12/27/1996 Heikki Tuuri #endif /* !UNIV_HOTBACKUP */ #include "page0zip.h" -/************************************************************************* +/*********************************************************************//** Creates an update vector object. @return own: update vector object */ UNIV_INLINE @@ -53,7 +54,7 @@ upd_create( return(update); } -/************************************************************************* +/*********************************************************************//** Returns the number of fields in the update vector == number of columns to be updated by an update vector. @return number of fields */ @@ -69,7 +70,7 @@ upd_get_n_fields( } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Returns the nth field of an update vector. @return update vector field */ UNIV_INLINE @@ -87,7 +88,7 @@ upd_get_nth_field( #endif /* UNIV_DEBUG */ #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Sets an index field number to be updated by an update vector field. */ UNIV_INLINE void @@ -116,7 +117,7 @@ upd_field_set_field_no( dfield_get_type(&upd_field->new_val)); } -/************************************************************************* +/*********************************************************************//** Returns a field of an update vector by field_no. @return update vector field, or NULL */ UNIV_INLINE @@ -139,7 +140,7 @@ upd_get_field_by_field_no( return(NULL); } -/************************************************************************* +/*********************************************************************//** Updates the trx id and roll ptr field in a clustered index record when a row is updated or marked deleted. */ UNIV_INLINE diff --git a/include/row0vers.h b/include/row0vers.h index 88ddb19dd8e..5a2e38230d5 100644 --- a/include/row0vers.h +++ b/include/row0vers.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0vers.h Row versions Created 2/6/1997 Heikki Tuuri @@ -34,11 +35,11 @@ Created 2/6/1997 Heikki Tuuri #include "mtr0mtr.h" #include "read0types.h" -/********************************************************************* +/*****************************************************************//** Finds out if an active transaction has inserted or modified a secondary index record. NOTE: the kernel mutex is temporarily released in this function! -@return NULL if committed, else the active transaction; NOTE that the kernel mutex is temporarily released! */ +@return NULL if committed, else the active transaction */ UNIV_INTERN trx_t* row_vers_impl_x_locked_off_kernel( @@ -46,7 +47,7 @@ row_vers_impl_x_locked_off_kernel( const rec_t* rec, /*!< in: record in a secondary index */ dict_index_t* index, /*!< in: the secondary index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/********************************************************************* +/*****************************************************************//** Finds out if we must preserve a delete marked earlier version of a clustered index record, because it is >= the purge view. @return TRUE if earlier version should be preserved */ @@ -58,7 +59,7 @@ row_vers_must_preserve_del_marked( mtr_t* mtr); /*!< in: mtr holding the latch on the clustered index record; it will also hold the latch on purge_view */ -/********************************************************************* +/*****************************************************************//** Finds out if a version of the record, where the version >= the current purge view, should have ientry as its secondary index entry. We check if there is any not delete marked version of the record where the trx @@ -78,7 +79,7 @@ row_vers_old_has_index_entry( also hold the latch on purge_view */ dict_index_t* index, /*!< in: the secondary index */ const dtuple_t* ientry);/*!< in: the secondary index entry */ -/********************************************************************* +/*****************************************************************//** Constructs the version of a clustered index record which a consistent read should see. We assume that the trx id stored in rec is such that the consistent read should not see rec in its present version. @@ -107,7 +108,7 @@ row_vers_build_for_consistent_read( record does not exist in the view, that is, it was freshly inserted afterwards */ -/********************************************************************* +/*****************************************************************//** Constructs the last committed version of a clustered index record, which should be seen by a semi-consistent read. @return DB_SUCCESS or DB_MISSING_HISTORY */ diff --git a/include/row0vers.ic b/include/row0vers.ic index aac95ea6593..8bb3a5c0cb3 100644 --- a/include/row0vers.ic +++ b/include/row0vers.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/row0vers.ic Row versions Created 2/6/1997 Heikki Tuuri diff --git a/include/srv0que.h b/include/srv0que.h index 08e1a6f7da7..413fff19143 100644 --- a/include/srv0que.h +++ b/include/srv0que.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/srv0que.h Server query execution Created 6/5/1996 Heikki Tuuri @@ -28,7 +29,7 @@ Created 6/5/1996 Heikki Tuuri #include "univ.i" #include "que0types.h" -/************************************************************************** +/**********************************************************************//** Checks if there is work to do in the server task queue. If there is, the thread starts processing a task. Before leaving, it again checks the task queue and picks a new task if any exists. This is called by a SRV_WORKER @@ -37,7 +38,7 @@ UNIV_INTERN void srv_que_task_queue_check(void); /*==========================*/ -/************************************************************************** +/**********************************************************************//** Performs round-robin on the server tasks. This is called by a SRV_WORKER thread every second or so. @return the new (may be == thr) query thread to run */ @@ -46,7 +47,7 @@ que_thr_t* srv_que_round_robin( /*================*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Enqueues a task to server task queue and releases a worker thread, if there exists one suspended. */ UNIV_INTERN @@ -54,7 +55,7 @@ void srv_que_task_enqueue( /*=================*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Enqueues a task to server task queue and releases a worker thread, if there exists one suspended. */ UNIV_INTERN diff --git a/include/srv0srv.h b/include/srv0srv.h index 9d137f6991c..9764ce12e78 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/srv0srv.h The server main program Created 10/10/1995 Heikki Tuuri @@ -120,9 +121,9 @@ extern ulong srv_flush_log_at_trx_commit; collation */ extern const byte* srv_latin1_ordering; extern my_bool srv_use_sys_malloc; -extern ulint srv_buf_pool_size; /* requested size in bytes */ -extern ulint srv_buf_pool_old_size; /* previously requested size */ -extern ulint srv_buf_pool_curr_size; /* current size in bytes */ +extern ulint srv_buf_pool_size; /*!< requested size in bytes */ +extern ulint srv_buf_pool_old_size; /*!< previously requested size */ +extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ extern ulint srv_mem_pool_size; extern ulint srv_lock_table_size; @@ -268,64 +269,78 @@ extern ulint srv_buf_pool_wait_free; buffer pool to disk */ extern ulint srv_buf_pool_flushed; -/* variable to count the number of buffer pool reads that led to the +/** Number of buffer pool reads that led to the reading of a disk page */ extern ulint srv_buf_pool_reads; - -/* variable to count the number of sequential read-aheads were done */ +/** Number of sequential read-aheads */ extern ulint srv_read_ahead_seq; - -/* variable to count the number of random read-aheads were done */ +/** Number of random read-aheads */ extern ulint srv_read_ahead_rnd; -/* In this structure we store status variables to be passed to MySQL */ +/** Status variables to be passed to MySQL */ typedef struct export_var_struct export_struc; +/** Status variables to be passed to MySQL */ extern export_struc export_vars; +/** The server system */ typedef struct srv_sys_struct srv_sys_t; -/* The server system */ +/** The server system */ extern srv_sys_t* srv_sys; #endif /* !UNIV_HOTBACKUP */ -#define SRV_NEW_RAW 1 -#define SRV_OLD_RAW 2 +/** Types of raw partitions in innodb_data_file_path */ +enum { + SRV_NOT_RAW = 0, /*!< Not a raw partition */ + SRV_NEW_RAW, /*!< A 'newraw' partition, only to be + initialized */ + SRV_OLD_RAW /*!< An initialized raw partition */ +}; -/* Alternatives for the file flush option in Unix; see the InnoDB manual +/** Alternatives for the file flush option in Unix; see the InnoDB manual about what these mean */ -#define SRV_UNIX_FSYNC 1 /* This is the default */ -#define SRV_UNIX_O_DSYNC 2 -#define SRV_UNIX_LITTLESYNC 3 -#define SRV_UNIX_NOSYNC 4 -#define SRV_UNIX_O_DIRECT 5 +enum { + SRV_UNIX_FSYNC = 1, /*!< fsync, the default */ + SRV_UNIX_O_DSYNC, /*!< open log files in O_SYNC mode */ + SRV_UNIX_LITTLESYNC, /*!< do not call os_file_flush() + when writing data files, but do flush + after writing to log files */ + SRV_UNIX_NOSYNC, /*!< do not flush after writing */ + SRV_UNIX_O_DIRECT /*!< invoke os_file_set_nocache() on + data files */ +}; -/* Alternatives for file i/o in Windows */ -#define SRV_WIN_IO_NORMAL 1 -#define SRV_WIN_IO_UNBUFFERED 2 /* This is the default */ +/** Alternatives for file i/o in Windows */ +enum { + SRV_WIN_IO_NORMAL = 1, /*!< buffered I/O */ + SRV_WIN_IO_UNBUFFERED /*!< unbuffered I/O; this is the default */ +}; -/* Alternatives for srv_force_recovery. Non-zero values are intended +/** Alternatives for srv_force_recovery. Non-zero values are intended to help the user get a damaged database up so that he can dump intact tables and rows with SELECT INTO OUTFILE. The database must not otherwise be used with these options! A bigger number below means that all precautions of lower numbers are included. */ - -#define SRV_FORCE_IGNORE_CORRUPT 1 /* let the server run even if it +enum { + SRV_FORCE_IGNORE_CORRUPT = 1, /*!< let the server run even if it detects a corrupt page */ -#define SRV_FORCE_NO_BACKGROUND 2 /* prevent the main thread from + SRV_FORCE_NO_BACKGROUND = 2, /*!< prevent the main thread from running: if a crash would occur in purge, this prevents it */ -#define SRV_FORCE_NO_TRX_UNDO 3 /* do not run trx rollback after + SRV_FORCE_NO_TRX_UNDO = 3, /*!< do not run trx rollback after recovery */ -#define SRV_FORCE_NO_IBUF_MERGE 4 /* prevent also ibuf operations: + SRV_FORCE_NO_IBUF_MERGE = 4, /*!< prevent also ibuf operations: if they would cause a crash, better not do them */ -#define SRV_FORCE_NO_UNDO_LOG_SCAN 5 /* do not look at undo logs when + SRV_FORCE_NO_UNDO_LOG_SCAN = 5, /*!< do not look at undo logs when starting the database: InnoDB will treat even incomplete transactions as committed */ -#define SRV_FORCE_NO_LOG_REDO 6 /* do not do the log roll-forward + SRV_FORCE_NO_LOG_REDO = 6 /*!< do not do the log roll-forward in connection with recovery */ +}; + #ifndef UNIV_HOTBACKUP /** Types of threads existing in the system. */ enum srv_thread_type { @@ -343,47 +358,47 @@ enum srv_thread_type { be biggest) */ }; -/************************************************************************* +/*********************************************************************//** Boots Innobase server. @return DB_SUCCESS or error code */ UNIV_INTERN ulint srv_boot(void); /*==========*/ -/************************************************************************* +/*********************************************************************//** Initializes the server. */ UNIV_INTERN void srv_init(void); /*==========*/ -/************************************************************************* +/*********************************************************************//** Frees the OS fast mutex created in srv_boot(). */ UNIV_INTERN void srv_free(void); /*==========*/ -/************************************************************************* +/*********************************************************************//** Initializes the synchronization primitives, memory system, and the thread local storage. */ UNIV_INTERN void srv_general_init(void); /*==================*/ -/************************************************************************* +/*********************************************************************//** Gets the number of threads in the system. @return sum of srv_n_threads[] */ UNIV_INTERN ulint srv_get_n_threads(void); /*===================*/ -/************************************************************************* +/*********************************************************************//** Returns the calling thread type. @return SRV_COM, ... */ enum srv_thread_type srv_get_thread_type(void); /*=====================*/ -/************************************************************************* +/*********************************************************************//** Sets the info describing an i/o thread current state. */ UNIV_INTERN void @@ -392,17 +407,18 @@ srv_set_io_thread_op_info( ulint i, /*!< in: the 'segment' of the i/o thread */ const char* str); /*!< in: constant char string describing the state */ -/************************************************************************* +/*********************************************************************//** Releases threads of the type given from suspension in the thread table. NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be < n if not enough threads were suspended at the moment */ +@return number of threads released: this may be less than n if not +enough threads were suspended at the moment */ UNIV_INTERN ulint srv_release_threads( /*================*/ enum srv_thread_type type, /*!< in: thread type */ ulint n); /*!< in: number of threads to release */ -/************************************************************************* +/*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ UNIV_INTERN @@ -411,7 +427,7 @@ srv_master_thread( /*==============*/ void* arg); /*!< in: a dummy parameter required by os_thread_create */ -/*********************************************************************** +/*******************************************************************//** Tells the Innobase server that there has been activity in the database and wakes up the master thread if it is suspended (not sleeping). Used in the MySQL interface. Note that there is a small chance that the master @@ -421,13 +437,13 @@ UNIV_INTERN void srv_active_wake_master_thread(void); /*===============================*/ -/*********************************************************************** +/*******************************************************************//** Wakes up the master thread if it is suspended or being suspended. */ UNIV_INTERN void srv_wake_master_thread(void); /*========================*/ -/************************************************************************* +/*********************************************************************//** Puts an OS thread to wait if there are too many concurrent threads (>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ UNIV_INTERN @@ -436,7 +452,7 @@ srv_conc_enter_innodb( /*==================*/ trx_t* trx); /*!< in: transaction object associated with the thread */ -/************************************************************************* +/*********************************************************************//** This lets a thread enter InnoDB regardless of the number of threads inside InnoDB. This must be called when a thread ends a lock wait. */ UNIV_INTERN @@ -445,7 +461,7 @@ srv_conc_force_enter_innodb( /*========================*/ trx_t* trx); /*!< in: transaction object associated with the thread */ -/************************************************************************* +/*********************************************************************//** This must be called when a thread exits InnoDB in a lock wait or at the end of an SQL statement. */ UNIV_INTERN @@ -454,7 +470,7 @@ srv_conc_force_exit_innodb( /*=======================*/ trx_t* trx); /*!< in: transaction object associated with the thread */ -/************************************************************************* +/*********************************************************************//** This must be called when a thread exits InnoDB. */ UNIV_INTERN void @@ -462,7 +478,7 @@ srv_conc_exit_innodb( /*=================*/ trx_t* trx); /*!< in: transaction object associated with the thread */ -/******************************************************************* +/***************************************************************//** Puts a MySQL OS thread to wait for a lock to be released. If an error occurs during the wait trx->error_state associated with thr is != DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK @@ -474,7 +490,7 @@ srv_suspend_mysql_thread( /*=====================*/ que_thr_t* thr); /*!< in: query thread associated with the MySQL OS thread */ -/************************************************************************ +/********************************************************************//** Releases a MySQL OS thread waiting for a lock to be released, if the thread is already suspended. */ UNIV_INTERN @@ -483,7 +499,7 @@ srv_release_mysql_thread_if_suspended( /*==================================*/ que_thr_t* thr); /*!< in: query thread associated with the MySQL OS thread */ -/************************************************************************* +/*********************************************************************//** A thread which wakes up threads whose lock wait may have lasted too long. This also prints the info output by various InnoDB monitors. @return a dummy parameter */ @@ -493,7 +509,7 @@ srv_lock_timeout_and_monitor_thread( /*================================*/ void* arg); /*!< in: a dummy parameter required by os_thread_create */ -/************************************************************************* +/*********************************************************************//** A thread which prints warnings about semaphore waits which have lasted too long. These can be used to track bugs which cause hangs. @return a dummy parameter */ @@ -503,7 +519,7 @@ srv_error_monitor_thread( /*=====================*/ void* arg); /*!< in: a dummy parameter required by os_thread_create */ -/********************************************************************** +/******************************************************************//** Outputs to a file the output of the InnoDB Monitor. */ UNIV_INTERN void @@ -515,7 +531,7 @@ srv_printf_innodb_monitor( ulint* trx_end); /*!< out: file position of the end of the list of active transactions */ -/********************************************************************** +/******************************************************************//** Function to pass InnoDB status variables to MySQL */ UNIV_INTERN void @@ -528,61 +544,65 @@ typedef struct srv_slot_struct srv_slot_t; /* Thread table is an array of slots */ typedef srv_slot_t srv_table_t; -/* In this structure we store status variables to be passed to MySQL */ +/** Status variables to be passed to MySQL */ struct export_var_struct{ - ulint innodb_data_pending_reads; - ulint innodb_data_pending_writes; - ulint innodb_data_pending_fsyncs; - ulint innodb_data_fsyncs; - ulint innodb_data_read; - ulint innodb_data_writes; - ulint innodb_data_written; - ulint innodb_data_reads; - ulint innodb_buffer_pool_pages_total; - ulint innodb_buffer_pool_pages_data; - ulint innodb_buffer_pool_pages_dirty; - ulint innodb_buffer_pool_pages_misc; - ulint innodb_buffer_pool_pages_free; + ulint innodb_data_pending_reads; /*!< Pending reads */ + ulint innodb_data_pending_writes; /*!< Pending writes */ + ulint innodb_data_pending_fsyncs; /*!< Pending fsyncs */ + ulint innodb_data_fsyncs; /*!< Number of fsyncs so far */ + ulint innodb_data_read; /*!< Data bytes read */ + ulint innodb_data_writes; /*!< I/O write requests */ + ulint innodb_data_written; /*!< Data bytes written */ + ulint innodb_data_reads; /*!< I/O read requests */ + ulint innodb_buffer_pool_pages_total; /*!< Buffer pool size */ + ulint innodb_buffer_pool_pages_data; /*!< Data pages */ + ulint innodb_buffer_pool_pages_dirty; /*!< Dirty data pages */ + ulint innodb_buffer_pool_pages_misc; /*!< Miscellanous pages */ + ulint innodb_buffer_pool_pages_free; /*!< Free pages */ #ifdef UNIV_DEBUG - ulint innodb_buffer_pool_pages_latched; + ulint innodb_buffer_pool_pages_latched; /*!< Latched pages */ #endif /* UNIV_DEBUG */ - ulint innodb_buffer_pool_read_requests; - ulint innodb_buffer_pool_reads; - ulint innodb_buffer_pool_wait_free; - ulint innodb_buffer_pool_pages_flushed; - ulint innodb_buffer_pool_write_requests; - ulint innodb_buffer_pool_read_ahead_seq; - ulint innodb_buffer_pool_read_ahead_rnd; - ulint innodb_dblwr_pages_written; - ulint innodb_dblwr_writes; - ibool innodb_have_atomic_builtins; - ulint innodb_log_waits; - ulint innodb_log_write_requests; - ulint innodb_log_writes; - ulint innodb_os_log_written; - ulint innodb_os_log_fsyncs; - ulint innodb_os_log_pending_writes; - ulint innodb_os_log_pending_fsyncs; - ulint innodb_page_size; - ulint innodb_pages_created; - ulint innodb_pages_read; - ulint innodb_pages_written; - ulint innodb_row_lock_waits; - ulint innodb_row_lock_current_waits; - ib_int64_t innodb_row_lock_time; - ulint innodb_row_lock_time_avg; - ulint innodb_row_lock_time_max; - ulint innodb_rows_read; - ulint innodb_rows_inserted; - ulint innodb_rows_updated; - ulint innodb_rows_deleted; + ulint innodb_buffer_pool_read_requests; /*!< buf_pool->n_page_gets */ + ulint innodb_buffer_pool_reads; /*!< srv_buf_pool_reads */ + ulint innodb_buffer_pool_wait_free; /*!< srv_buf_pool_wait_free */ + ulint innodb_buffer_pool_pages_flushed; /*!< srv_buf_pool_flushed */ + ulint innodb_buffer_pool_write_requests;/*!< srv_buf_pool_write_requests */ + ulint innodb_buffer_pool_read_ahead_seq;/*!< srv_read_ahead_seq */ + ulint innodb_buffer_pool_read_ahead_rnd;/*!< srv_read_ahead_rnd */ + ulint innodb_dblwr_pages_written; /*!< srv_dblwr_pages_written */ + ulint innodb_dblwr_writes; /*!< srv_dblwr_writes */ + ibool innodb_have_atomic_builtins; /*!< HAVE_ATOMIC_BUILTINS */ + ulint innodb_log_waits; /*!< srv_log_waits */ + ulint innodb_log_write_requests; /*!< srv_log_write_requests */ + ulint innodb_log_writes; /*!< srv_log_writes */ + ulint innodb_os_log_written; /*!< srv_os_log_written */ + ulint innodb_os_log_fsyncs; /*!< fil_n_log_flushes */ + ulint innodb_os_log_pending_writes; /*!< srv_os_log_pending_writes */ + ulint innodb_os_log_pending_fsyncs; /*!< fil_n_pending_log_flushes */ + ulint innodb_page_size; /*!< UNIV_PAGE_SIZE */ + ulint innodb_pages_created; /*!< buf_pool->n_pages_created */ + ulint innodb_pages_read; /*!< buf_pool->n_pages_read */ + ulint innodb_pages_written; /*!< buf_pool->n_pages_written */ + ulint innodb_row_lock_waits; /*!< srv_n_lock_wait_count */ + ulint innodb_row_lock_current_waits; /*!< srv_n_lock_wait_current_count */ + ib_int64_t innodb_row_lock_time; /*!< srv_n_lock_wait_time + / 1000 */ + ulint innodb_row_lock_time_avg; /*!< srv_n_lock_wait_time + / 1000 + / srv_n_lock_wait_count */ + ulint innodb_row_lock_time_max; /*!< srv_n_lock_max_wait_time + / 1000 */ + ulint innodb_rows_read; /*!< srv_n_rows_read */ + ulint innodb_rows_inserted; /*!< srv_n_rows_inserted */ + ulint innodb_rows_updated; /*!< srv_n_rows_updated */ + ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ }; -/* The server system struct */ +/** The server system struct */ struct srv_sys_struct{ - srv_table_t* threads; /* server thread table */ + srv_table_t* threads; /*!< server thread table */ UT_LIST_BASE_NODE_T(que_thr_t) - tasks; /* task queue */ + tasks; /*!< task queue */ }; extern ulint srv_n_threads_active[]; diff --git a/include/srv0srv.ic b/include/srv0srv.ic index 93d675f1dca..8a1a678a016 100644 --- a/include/srv0srv.ic +++ b/include/srv0srv.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/srv0srv.ic Server main program Created 10/4/1995 Heikki Tuuri diff --git a/include/srv0start.h b/include/srv0start.h index ad64f6b81c4..8abf15da9c1 100644 --- a/include/srv0start.h +++ b/include/srv0start.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/srv0start.h Starts the Innobase database server Created 10/10/1995 Heikki Tuuri @@ -28,14 +29,14 @@ Created 10/10/1995 Heikki Tuuri #include "univ.i" #include "ut0byte.h" -/************************************************************************* +/*********************************************************************//** Normalizes a directory path for Windows: converts slashes to backslashes. */ UNIV_INTERN void srv_normalize_path_for_win( /*=======================*/ char* str); /*!< in/out: null-terminated character string */ -/************************************************************************* +/*********************************************************************//** Reads the data files and their sizes from a character string given in the .cnf file. @return TRUE if ok, FALSE on parse error */ @@ -44,7 +45,7 @@ ibool srv_parse_data_file_paths_and_sizes( /*================================*/ char* str); /*!< in/out: the data file path string */ -/************************************************************************* +/*********************************************************************//** Reads log group home directories from a character string given in the .cnf file. @return TRUE if ok, FALSE on parse error */ @@ -53,14 +54,14 @@ ibool srv_parse_log_group_home_dirs( /*==========================*/ char* str); /*!< in/out: character string */ -/************************************************************************* +/*********************************************************************//** Frees the memory allocated by srv_parse_data_file_paths_and_sizes() and srv_parse_log_group_home_dirs(). */ UNIV_INTERN void srv_free_paths_and_sizes(void); /*==========================*/ -/************************************************************************* +/*********************************************************************//** Adds a slash or a backslash to the end of a string if it is missing and the string is not empty. @return string which has the separator if the string is not empty */ @@ -70,7 +71,7 @@ srv_add_path_separator_if_needed( /*=============================*/ char* str); /*!< in: null-terminated character string */ #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Starts Innobase and creates a new database if database files are not found and the user wants. @return DB_SUCCESS or error code */ @@ -78,14 +79,16 @@ UNIV_INTERN int innobase_start_or_create_for_mysql(void); /*====================================*/ -/******************************************************************** +/****************************************************************//** Shuts down the Innobase database. @return DB_SUCCESS or error code */ UNIV_INTERN int innobase_shutdown_for_mysql(void); /*=============================*/ +/** Log sequence number at shutdown */ extern ib_uint64_t srv_shutdown_lsn; +/** Log sequence number immediately after startup */ extern ib_uint64_t srv_start_lsn; #ifdef __NETWARE__ @@ -93,27 +96,39 @@ void set_panic_flag_for_netware(void); #endif #ifdef HAVE_DARWIN_THREADS +/** TRUE if the F_FULLFSYNC option is available */ extern ibool srv_have_fullfsync; #endif +/** TRUE if the server is being started */ extern ibool srv_is_being_started; +/** TRUE if the server was successfully started */ extern ibool srv_was_started; +/** TRUE if the server is being started, before rolling back any +incomplete transactions */ extern ibool srv_startup_is_before_trx_rollback_phase; -extern ibool srv_is_being_shut_down; +/** TRUE if a raw partition is in use */ extern ibool srv_start_raw_disk_in_use; -/* At a shutdown the value first climbs from 0 to SRV_SHUTDOWN_CLEANUP -and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ -extern ulint srv_shutdown_state; +/** Shutdown state */ +enum srv_shutdown_state { + SRV_SHUTDOWN_NONE = 0, /*!< Database running normally */ + SRV_SHUTDOWN_CLEANUP, /*!< Cleaning up in + logs_empty_and_mark_files_at_shutdown() */ + SRV_SHUTDOWN_LAST_PHASE,/*!< Last phase after ensuring that + the buffer pool can be freed: flush + all file spaces and close all files */ + SRV_SHUTDOWN_EXIT_THREADS/*!< Exit all threads */ +}; -#define SRV_SHUTDOWN_CLEANUP 1 -#define SRV_SHUTDOWN_LAST_PHASE 2 -#define SRV_SHUTDOWN_EXIT_THREADS 3 +/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to +SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ +extern enum srv_shutdown_state srv_shutdown_state; #endif /* !UNIV_HOTBACKUP */ -/* Log 'spaces' have id's >= this */ +/** Log 'spaces' have id's >= this */ #define SRV_LOG_SPACE_FIRST_ID 0xFFFFFFF0UL #endif diff --git a/include/sync0arr.h b/include/sync0arr.h index 05284d25902..5f1280f5e28 100644 --- a/include/sync0arr.h +++ b/include/sync0arr.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0arr.h The wait array used in synchronization primitives Created 9/5/1995 Heikki Tuuri @@ -30,13 +31,17 @@ Created 9/5/1995 Heikki Tuuri #include "ut0mem.h" #include "os0thread.h" +/** Synchronization wait array cell */ typedef struct sync_cell_struct sync_cell_t; +/** Synchronization wait array */ typedef struct sync_array_struct sync_array_t; -#define SYNC_ARRAY_OS_MUTEX 1 -#define SYNC_ARRAY_MUTEX 2 +/** Parameters for sync_array_create() @{ */ +#define SYNC_ARRAY_OS_MUTEX 1 /*!< protected by os_mutex_t */ +#define SYNC_ARRAY_MUTEX 2 /*!< protected by mutex_t */ +/* @} */ -/*********************************************************************** +/*******************************************************************//** Creates a synchronization wait array. It is protected by a mutex which is automatically reserved when the functions operating on it are called. @@ -50,14 +55,14 @@ sync_array_create( ulint protection); /*!< in: either SYNC_ARRAY_OS_MUTEX or SYNC_ARRAY_MUTEX: determines the type of mutex protecting the data structure */ -/********************************************************************** +/******************************************************************//** Frees the resources in a wait array. */ UNIV_INTERN void sync_array_free( /*============*/ sync_array_t* arr); /*!< in, own: sync wait array */ -/********************************************************************** +/******************************************************************//** Reserves a wait array cell for waiting for an object. The event of the cell is reset to nonsignalled state. */ UNIV_INTERN @@ -70,7 +75,7 @@ sync_array_reserve_cell( const char* file, /*!< in: file where requested */ ulint line, /*!< in: line where requested */ ulint* index); /*!< out: index of the reserved cell */ -/********************************************************************** +/******************************************************************//** This function should be called when a thread starts to wait on a wait array cell. In the debug version this function checks if the wait for a semaphore will result in a deadlock, in which @@ -81,7 +86,7 @@ sync_array_wait_event( /*==================*/ sync_array_t* arr, /*!< in: wait array */ ulint index); /*!< in: index of the reserved cell */ -/********************************************************************** +/******************************************************************//** Frees the cell. NOTE! sync_array_wait_event frees the cell automatically! */ UNIV_INTERN @@ -90,14 +95,14 @@ sync_array_free_cell( /*=================*/ sync_array_t* arr, /*!< in: wait array */ ulint index); /*!< in: index of the cell in array */ -/************************************************************************** +/**********************************************************************//** Note that one of the wait objects was signalled. */ UNIV_INTERN void sync_array_object_signalled( /*========================*/ sync_array_t* arr); /*!< in: wait array */ -/************************************************************************** +/**********************************************************************//** If the wakeup algorithm does not work perfectly at semaphore relases, this function will do the waking (see the comment in mutex_exit). This function should be called about every 1 second in the server. */ @@ -105,14 +110,14 @@ UNIV_INTERN void sync_arr_wake_threads_if_sema_free(void); /*====================================*/ -/************************************************************************** +/**********************************************************************//** Prints warnings of long semaphore waits to stderr. @return TRUE if fatal semaphore wait threshold was exceeded */ UNIV_INTERN ibool sync_array_print_long_waits(void); /*=============================*/ -/************************************************************************ +/********************************************************************//** Validates the integrity of the wait array. Checks that the number of reserved cells equals the count variable. */ UNIV_INTERN @@ -120,7 +125,7 @@ void sync_array_validate( /*================*/ sync_array_t* arr); /*!< in: sync wait array */ -/************************************************************************** +/**********************************************************************//** Prints info of the wait array. */ UNIV_INTERN void diff --git a/include/sync0arr.ic b/include/sync0arr.ic index 09a562a4723..bf57f5b2dc2 100644 --- a/include/sync0arr.ic +++ b/include/sync0arr.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0arr.ic The wait array for synchronization primitives Inline code diff --git a/include/sync0rw.h b/include/sync0rw.h index f05c95e7728..aedfd5f3f86 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0rw.h The read-write lock (for threads, not for database transactions) Created 9/11/1995 Heikki Tuuri @@ -72,23 +73,39 @@ To modify the debug info list of an rw-lock, this mutex has to be acquired in addition to the mutex protecting the lock. */ extern mutex_t rw_lock_debug_mutex; -extern os_event_t rw_lock_debug_event; /* If deadlock detection does +extern os_event_t rw_lock_debug_event; /*!< If deadlock detection does not get immediately the mutex it may wait for this event */ -extern ibool rw_lock_debug_waiters; /* This is set to TRUE, if +extern ibool rw_lock_debug_waiters; /*!< This is set to TRUE, if there may be waiters for the event */ #endif /* UNIV_SYNC_DEBUG */ +/** number of spin waits on rw-latches, +resulted during exclusive (write) locks */ extern ib_int64_t rw_s_spin_wait_count; +/** number of spin loop rounds on rw-latches, +resulted during exclusive (write) locks */ extern ib_int64_t rw_s_spin_round_count; +/** number of unlocks (that unlock shared locks), +set only when UNIV_SYNC_PERF_STAT is defined */ extern ib_int64_t rw_s_exit_count; +/** number of OS waits on rw-latches, +resulted during shared (read) locks */ extern ib_int64_t rw_s_os_wait_count; +/** number of spin waits on rw-latches, +resulted during shared (read) locks */ extern ib_int64_t rw_x_spin_wait_count; +/** number of spin loop rounds on rw-latches, +resulted during shared (read) locks */ extern ib_int64_t rw_x_spin_round_count; +/** number of OS waits on rw-latches, +resulted during exclusive (write) locks */ extern ib_int64_t rw_x_os_wait_count; +/** number of unlocks (that unlock exclusive locks), +set only when UNIV_SYNC_PERF_STAT is defined */ extern ib_int64_t rw_x_exit_count; -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes an rw-lock object in a specified memory location (which must be appropriately aligned). The rw-lock is initialized to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free @@ -106,7 +123,7 @@ is necessary only if the memory block containing it is freed. */ rw_lock_create_func((L), __FILE__, __LINE__) #endif /* UNIV_DEBUG */ -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes an rw-lock object in a specified memory location (which must be appropriately aligned). The rw-lock is initialized to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free @@ -124,7 +141,7 @@ rw_lock_create_func( #endif /* UNIV_DEBUG */ const char* cfile_name, /*!< in: file name where created */ ulint cline); /*!< in: file line where created */ -/********************************************************************** +/******************************************************************//** Calling this function is obligatory only if the memory buffer containing the rw-lock is freed. Removes an rw-lock object from the global list. The rw-lock is checked to be in the non-locked state. */ @@ -134,7 +151,7 @@ rw_lock_free( /*=========*/ rw_lock_t* lock); /*!< in: rw-lock */ #ifdef UNIV_DEBUG -/********************************************************************** +/******************************************************************//** Checks that the rw-lock has been initialized and that there are no simultaneous shared and exclusive locks. @return TRUE */ @@ -144,25 +161,25 @@ rw_lock_validate( /*=============*/ rw_lock_t* lock); /*!< in: rw-lock */ #endif /* UNIV_DEBUG */ -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used in rw s-locking, not the corresponding function. */ #define rw_lock_s_lock(M) rw_lock_s_lock_func(\ (M), 0, __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used in rw s-locking, not the corresponding function. */ #define rw_lock_s_lock_gen(M, P) rw_lock_s_lock_func(\ (M), (P), __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used in rw s-locking, not the corresponding function. */ #define rw_lock_s_lock_nowait(M, F, L) rw_lock_s_lock_low(\ (M), 0, (F), (L)) -/********************************************************************** +/******************************************************************//** Low-level function which tries to lock an rw-lock in s-mode. Performs no spinning. @return TRUE if success */ @@ -176,7 +193,7 @@ rw_lock_s_lock_low( passed to another thread to unlock */ const char* file_name, /*!< in: file name where lock requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function, except if you supply the file name and line number. Lock an rw-lock in shared mode for the current thread. If the rw-lock is locked in exclusive mode, or @@ -192,7 +209,7 @@ rw_lock_s_lock_func( be passed to another thread to unlock */ const char* file_name,/*!< in: file name where lock requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be obtained immediately. @@ -204,7 +221,7 @@ rw_lock_x_lock_func_nowait( rw_lock_t* lock, /*!< in: pointer to rw-lock */ const char* file_name,/*!< in: file name where lock requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** Releases a shared mode lock. */ UNIV_INLINE void @@ -221,29 +238,29 @@ rw_lock_s_unlock_func( #else # define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) #endif -/*********************************************************************** +/*******************************************************************//** Releases a shared mode lock. */ #define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) -/****************************************************************** +/**************************************************************//** NOTE! The following macro should be used in rw x-locking, not the corresponding function. */ #define rw_lock_x_lock(M) rw_lock_x_lock_func(\ (M), 0, __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** NOTE! The following macro should be used in rw x-locking, not the corresponding function. */ #define rw_lock_x_lock_gen(M, P) rw_lock_x_lock_func(\ (M), (P), __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** NOTE! The following macros should be used in rw x-locking, not the corresponding function. */ #define rw_lock_x_lock_nowait(M) rw_lock_x_lock_func_nowait(\ (M), __FILE__, __LINE__) -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread. If the rw-lock is locked in shared or exclusive mode, or there is an exclusive lock request waiting, @@ -261,7 +278,7 @@ rw_lock_x_lock_func( be passed to another thread to unlock */ const char* file_name,/*!< in: file name where lock requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** Releases an exclusive mode lock. */ UNIV_INLINE void @@ -278,11 +295,11 @@ rw_lock_x_unlock_func( #else # define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) #endif -/*********************************************************************** +/*******************************************************************//** Releases an exclusive mode lock. */ #define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) -/********************************************************************** +/******************************************************************//** Low-level function which locks an rw-lock in s-mode when we know that it is possible and none else is currently accessing the rw-lock structure. Then we can do the locking without reserving the mutex. */ @@ -293,7 +310,7 @@ rw_lock_s_lock_direct( rw_lock_t* lock, /*!< in/out: rw-lock */ const char* file_name, /*!< in: file name where requested */ ulint line); /*!< in: line where lock requested */ -/********************************************************************** +/******************************************************************//** Low-level function which locks an rw-lock in x-mode when we know that it is not locked and none else is currently accessing the rw-lock structure. Then we can do the locking without reserving the mutex. */ @@ -304,7 +321,7 @@ rw_lock_x_lock_direct( rw_lock_t* lock, /*!< in/out: rw-lock */ const char* file_name, /*!< in: file name where requested */ ulint line); /*!< in: line where lock requested */ -/********************************************************************** +/******************************************************************//** This function is used in the insert buffer to move the ownership of an x-latch on a buffer frame to the current thread. The x-latch was set by the buffer read operation and it protected the buffer frame while the @@ -318,7 +335,7 @@ rw_lock_x_lock_move_ownership( /*==========================*/ rw_lock_t* lock); /*!< in: lock which was x-locked in the buffer read */ -/********************************************************************** +/******************************************************************//** Releases a shared mode lock when we know there are no waiters and none else will access the lock during the time this function is executed. */ UNIV_INLINE @@ -326,7 +343,7 @@ void rw_lock_s_unlock_direct( /*====================*/ rw_lock_t* lock); /*!< in/out: rw-lock */ -/********************************************************************** +/******************************************************************//** Releases an exclusive mode lock when we know there are no waiters, and none else will access the lock durint the time this function is executed. */ UNIV_INLINE @@ -334,7 +351,7 @@ void rw_lock_x_unlock_direct( /*====================*/ rw_lock_t* lock); /*!< in/out: rw-lock */ -/********************************************************************** +/******************************************************************//** Returns the value of writer_count for the lock. Does not reserve the lock mutex, so the caller must be sure it is not changed during the call. @return value of writer_count */ @@ -343,7 +360,7 @@ ulint rw_lock_get_x_lock_count( /*=====================*/ const rw_lock_t* lock); /*!< in: rw-lock */ -/************************************************************************ +/********************************************************************//** Check if there are threads waiting for the rw-lock. @return 1 if waiters, 0 otherwise */ UNIV_INLINE @@ -351,7 +368,7 @@ ulint rw_lock_get_waiters( /*================*/ const rw_lock_t* lock); /*!< in: rw-lock */ -/********************************************************************** +/******************************************************************//** Returns the write-status of the lock - this function made more sense with the old rw_lock implementation. @return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ @@ -360,7 +377,7 @@ ulint rw_lock_get_writer( /*===============*/ const rw_lock_t* lock); /*!< in: rw-lock */ -/********************************************************************** +/******************************************************************//** Returns the number of readers. @return number of readers */ UNIV_INLINE @@ -368,7 +385,7 @@ ulint rw_lock_get_reader_count( /*=====================*/ const rw_lock_t* lock); /*!< in: rw-lock */ -/********************************************************************** +/******************************************************************//** Decrements lock_word the specified amount if it is greater than 0. This is used by both s_lock and x_lock operations. @return TRUE if decr occurs */ @@ -378,7 +395,7 @@ rw_lock_lock_word_decr( /*===================*/ rw_lock_t* lock, /*!< in/out: rw-lock */ ulint amount); /*!< in: amount to decrement */ -/********************************************************************** +/******************************************************************//** Increments lock_word the specified amount and returns new value. @return lock->lock_word after increment */ UNIV_INLINE @@ -387,7 +404,7 @@ rw_lock_lock_word_incr( /*===================*/ rw_lock_t* lock, /*!< in/out: rw-lock */ ulint amount); /*!< in: amount to increment */ -/********************************************************************** +/******************************************************************//** This function sets the lock->writer_thread and lock->recursive fields. For platforms where we are using atomic builtins instead of lock->mutex it sets the lock->writer_thread field using atomics to ensure memory @@ -404,7 +421,7 @@ rw_lock_set_writer_id_and_recursion_flag( ibool recursive); /*!< in: TRUE if recursion allowed */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Checks if the thread has locked the rw-lock in the specified mode, with the pass value == 0. */ UNIV_INTERN @@ -415,7 +432,7 @@ rw_lock_own( ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Checks if somebody has locked the rw-lock in the specified mode. */ UNIV_INTERN ibool @@ -425,21 +442,21 @@ rw_lock_is_locked( ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ #ifdef UNIV_SYNC_DEBUG -/******************************************************************* +/***************************************************************//** Prints debug info of an rw-lock. */ UNIV_INTERN void rw_lock_print( /*==========*/ rw_lock_t* lock); /*!< in: rw-lock */ -/******************************************************************* +/***************************************************************//** Prints debug info of currently locked rw-locks. */ UNIV_INTERN void rw_lock_list_print_info( /*====================*/ FILE* file); /*!< in: file where to print */ -/******************************************************************* +/***************************************************************//** Returns the number of currently locked rw-locks. Works only in the debug version. @return number of locked rw-locks */ @@ -450,7 +467,7 @@ rw_lock_n_locked(void); /*#####################################################################*/ -/********************************************************************** +/******************************************************************//** Acquires the debug mutex. We cannot use the mutex defined in sync0sync, because the debug mutex is also acquired in sync0arr while holding the OS mutex protecting the sync array, and the ordinary mutex_enter might @@ -460,13 +477,13 @@ UNIV_INTERN void rw_lock_debug_mutex_enter(void); /*==========================*/ -/********************************************************************** +/******************************************************************//** Releases the debug mutex. */ UNIV_INTERN void rw_lock_debug_mutex_exit(void); /*==========================*/ -/************************************************************************* +/*********************************************************************//** Prints info of a debug struct. */ UNIV_INTERN void @@ -476,18 +493,20 @@ rw_lock_debug_print( #endif /* UNIV_SYNC_DEBUG */ /* NOTE! The structure appears here only for the compiler to know its size. -Do not use its fields directly! The structure used in the spin lock -implementation of a read-write lock. Several threads may have a shared lock -simultaneously in this lock, but only one writer may have an exclusive lock, -in which case no shared locks are allowed. To prevent starving of a writer -blocked by readers, a writer may queue for x-lock by decrementing lock_word: -no new readers will be let in while the thread waits for readers to exit. */ +Do not use its fields directly! */ +/** The structure used in the spin lock implementation of a read-write +lock. Several threads may have a shared lock simultaneously in this +lock, but only one writer may have an exclusive lock, in which case no +shared locks are allowed. To prevent starving of a writer blocked by +readers, a writer may queue for x-lock by decrementing lock_word: no +new readers will be let in while the thread waits for readers to +exit. */ struct rw_lock_struct { volatile lint lock_word; - /* Holds the state of the lock. */ - volatile ulint waiters;/* 1: there are waiters */ - volatile ibool recursive;/* Default value FALSE which means the lock + /*!< Holds the state of the lock. */ + volatile ulint waiters;/*!< 1: there are waiters */ + volatile ibool recursive;/*!< Default value FALSE which means the lock is non-recursive. The value is typically set to TRUE making normal rw_locks recursive. In case of asynchronous IO, when a non-zero @@ -500,59 +519,60 @@ struct rw_lock_struct { This flag must be reset in x_unlock functions before incrementing the lock_word */ volatile os_thread_id_t writer_thread; - /* Thread id of writer thread. Is only + /*!< Thread id of writer thread. Is only guaranteed to have sane and non-stale value iff recursive flag is set. */ - os_event_t event; /* Used by sync0arr.c for thread queueing */ + os_event_t event; /*!< Used by sync0arr.c for thread queueing */ os_event_t wait_ex_event; - /* Event for next-writer to wait on. A thread + /*!< Event for next-writer to wait on. A thread must decrement lock_word before waiting. */ #ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_t mutex; /* The mutex protecting rw_lock_struct */ + mutex_t mutex; /*!< The mutex protecting rw_lock_struct */ #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ UT_LIST_NODE_T(rw_lock_t) list; - /* All allocated rw locks are put into a + /*!< All allocated rw locks are put into a list */ #ifdef UNIV_SYNC_DEBUG UT_LIST_BASE_NODE_T(rw_lock_debug_t) debug_list; - /* In the debug version: pointer to the debug + /*!< In the debug version: pointer to the debug info list of the lock */ - ulint level; /* Level in the global latching order. */ + ulint level; /*!< Level in the global latching order. */ #endif /* UNIV_SYNC_DEBUG */ - ulint count_os_wait; /* Count of os_waits. May not be accurate */ - const char* cfile_name;/* File name where lock created */ + ulint count_os_wait; /*!< Count of os_waits. May not be accurate */ + const char* cfile_name;/*!< File name where lock created */ /* last s-lock file/line is not guaranteed to be correct */ - const char* last_s_file_name;/* File name where last s-locked */ - const char* last_x_file_name;/* File name where last x-locked */ + const char* last_s_file_name;/*!< File name where last s-locked */ + const char* last_x_file_name;/*!< File name where last x-locked */ ibool writer_is_wait_ex; - /* This is TRUE if the writer field is + /*!< This is TRUE if the writer field is RW_LOCK_WAIT_EX; this field is located far from the memory update hotspot fields which are at the start of this struct, thus we can peek this field without causing much memory bus traffic */ - unsigned cline:14; /* Line where created */ - unsigned last_s_line:14; /* Line number where last time s-locked */ - unsigned last_x_line:14; /* Line number where last time x-locked */ - ulint magic_n; + unsigned cline:14; /*!< Line where created */ + unsigned last_s_line:14; /*!< Line number where last time s-locked */ + unsigned last_x_line:14; /*!< Line number where last time x-locked */ + ulint magic_n; /*!< RW_LOCK_MAGIC_N */ }; +/** Value of rw_lock_struct::magic_n */ #define RW_LOCK_MAGIC_N 22643 #ifdef UNIV_SYNC_DEBUG -/* The structure for storing debug info of an rw-lock */ +/** The structure for storing debug info of an rw-lock */ struct rw_lock_debug_struct { - os_thread_id_t thread_id; /* The thread id of the thread which + os_thread_id_t thread_id; /*!< The thread id of the thread which locked the rw-lock */ - ulint pass; /* Pass value given in the lock operation */ - ulint lock_type; /* Type of the lock: RW_LOCK_EX, + ulint pass; /*!< Pass value given in the lock operation */ + ulint lock_type; /*!< Type of the lock: RW_LOCK_EX, RW_LOCK_SHARED, RW_LOCK_WAIT_EX */ - const char* file_name;/* File name where the lock was obtained */ - ulint line; /* Line where the rw-lock was locked */ + const char* file_name;/*!< File name where the lock was obtained */ + ulint line; /*!< Line where the rw-lock was locked */ UT_LIST_NODE_T(rw_lock_debug_t) list; - /* Debug structs are linked in a two-way + /*!< Debug structs are linked in a two-way list */ }; #endif /* UNIV_SYNC_DEBUG */ diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 778ecb00d19..7116f1b7c9b 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -23,13 +23,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0rw.ic The read-write lock (for threads) Created 9/11/1995 Heikki Tuuri *******************************************************/ -/********************************************************************** +/******************************************************************//** Lock an rw-lock in shared mode for the current thread. If the rw-lock is locked in exclusive mode, or there is an exclusive lock request waiting, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), @@ -44,7 +45,7 @@ rw_lock_s_lock_spin( const char* file_name,/*!< in: file name where lock requested */ ulint line); /*!< in: line where requested */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Inserts the debug information for an rw-lock. */ UNIV_INTERN void @@ -55,7 +56,7 @@ rw_lock_add_debug_info( ulint lock_type, /*!< in: lock type */ const char* file_name, /*!< in: file where requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** Removes a debug information struct for an rw-lock. */ UNIV_INTERN void @@ -66,7 +67,7 @@ rw_lock_remove_debug_info( ulint lock_type); /*!< in: lock type */ #endif /* UNIV_SYNC_DEBUG */ -/************************************************************************ +/********************************************************************//** Check if there are threads waiting for the rw-lock. @return 1 if waiters, 0 otherwise */ UNIV_INLINE @@ -78,7 +79,7 @@ rw_lock_get_waiters( return(lock->waiters); } -/************************************************************************ +/********************************************************************//** Sets lock->waiters to 1. It is not an error if lock->waiters is already 1. On platforms where ATOMIC builtins are used this function enforces a memory barrier. */ @@ -95,7 +96,7 @@ rw_lock_set_waiter_flag( #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } -/************************************************************************ +/********************************************************************//** Resets lock->waiters to 0. It is not an error if lock->waiters is already 0. On platforms where ATOMIC builtins are used this function enforces a memory barrier. */ @@ -112,7 +113,7 @@ rw_lock_reset_waiter_flag( #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } -/********************************************************************** +/******************************************************************//** Returns the write-status of the lock - this function made more sense with the old rw_lock implementation. @return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ @@ -135,7 +136,7 @@ rw_lock_get_writer( } } -/********************************************************************** +/******************************************************************//** Returns the number of readers. @return number of readers */ UNIV_INLINE @@ -166,7 +167,7 @@ rw_lock_get_mutex( } #endif -/********************************************************************** +/******************************************************************//** Returns the value of writer_count for the lock. Does not reserve the lock mutex, so the caller must be sure it is not changed during the call. @return value of writer_count */ @@ -184,7 +185,7 @@ rw_lock_get_x_lock_count( return(((-lock_copy) / X_LOCK_DECR) + 1); } -/********************************************************************** +/******************************************************************//** Two different implementations for decrementing the lock_word of a rw_lock: one for systems supporting atomic operations, one for others. This does does not support recusive x-locks: they should be handled by the caller and @@ -221,7 +222,7 @@ rw_lock_lock_word_decr( #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } -/********************************************************************** +/******************************************************************//** Increments lock_word the specified amount and returns new value. @return lock->lock_word after increment */ UNIV_INLINE @@ -247,7 +248,7 @@ rw_lock_lock_word_incr( #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } -/********************************************************************** +/******************************************************************//** This function sets the lock->writer_thread and lock->recursive fields. For platforms where we are using atomic builtins instead of lock->mutex it sets the lock->writer_thread field using atomics to ensure memory @@ -292,7 +293,7 @@ rw_lock_set_writer_id_and_recursion_flag( #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ } -/********************************************************************** +/******************************************************************//** Low-level function which tries to lock an rw-lock in s-mode. Performs no spinning. @return TRUE if success */ @@ -324,7 +325,7 @@ rw_lock_s_lock_low( return(TRUE); /* locking succeeded */ } -/********************************************************************** +/******************************************************************//** Low-level function which locks an rw-lock in s-mode when we know that it is possible and none else is currently accessing the rw-lock structure. Then we can do the locking without reserving the mutex. */ @@ -349,7 +350,7 @@ rw_lock_s_lock_direct( #endif } -/********************************************************************** +/******************************************************************//** Low-level function which locks an rw-lock in x-mode when we know that it is not locked and none else is currently accessing the rw-lock structure. Then we can do the locking without reserving the mutex. */ @@ -376,7 +377,7 @@ rw_lock_x_lock_direct( #endif } -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in shared mode for the current thread. If the rw-lock is locked in exclusive mode, or there is an exclusive lock request waiting, the @@ -420,7 +421,7 @@ rw_lock_s_lock_func( } } -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread if the lock can be obtained immediately. @@ -478,7 +479,7 @@ rw_lock_x_lock_func_nowait( return(TRUE); } -/********************************************************************** +/******************************************************************//** Releases a shared mode lock. */ UNIV_INLINE void @@ -514,7 +515,7 @@ rw_lock_s_unlock_func( #endif } -/********************************************************************** +/******************************************************************//** Releases a shared mode lock when we know there are no waiters and none else will access the lock during the time this function is executed. */ UNIV_INLINE @@ -539,7 +540,7 @@ rw_lock_s_unlock_direct( #endif } -/********************************************************************** +/******************************************************************//** Releases an exclusive mode lock. */ UNIV_INLINE void @@ -588,7 +589,7 @@ rw_lock_x_unlock_func( #endif } -/********************************************************************** +/******************************************************************//** Releases an exclusive mode lock when we know there are no waiters, and none else will access the lock during the time this function is executed. */ UNIV_INLINE diff --git a/include/sync0sync.h b/include/sync0sync.h index ed0902475a8..3310a6331bb 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0sync.h Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri @@ -43,25 +44,25 @@ Created 9/5/1995 Heikki Tuuri extern my_bool timed_mutexes; #ifdef HAVE_WINDOWS_ATOMICS -typedef LONG lock_word_t; /* On Windows, InterlockedExchange operates +typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates on LONG variable */ #else typedef byte lock_word_t; #endif -/********************************************************************** +/******************************************************************//** Initializes the synchronization data structures. */ UNIV_INTERN void sync_init(void); /*===========*/ -/********************************************************************** +/******************************************************************//** Frees the resources in synchronization data structures. */ UNIV_INTERN void sync_close(void); /*===========*/ -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes a mutex object to a specified memory location (which must be appropriately aligned). The mutex is initialized in the reset state. Explicit freeing of the mutex with mutex_free is @@ -80,7 +81,7 @@ necessary only if the memory block containing it is freed. */ mutex_create_func((M), __FILE__, __LINE__) #endif -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes a mutex object in a specified memory location (which must be appropriately aligned). The mutex is initialized in the reset state. Explicit freeing of the mutex with mutex_free is @@ -101,7 +102,7 @@ mutex_create_func( #undef mutex_free /* Fix for MacOS X */ -/********************************************************************** +/******************************************************************//** Calling this function is obligatory only if the memory buffer containing the mutex is freed. Removes a mutex object from the mutex list. The mutex is checked to be in the reset state. */ @@ -110,19 +111,19 @@ void mutex_free( /*=======*/ mutex_t* mutex); /*!< in: mutex */ -/****************************************************************** +/**************************************************************//** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ #define mutex_enter(M) mutex_enter_func((M), __FILE__, __LINE__) -/****************************************************************** +/**************************************************************//** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ /* NOTE! currently same as mutex_enter! */ #define mutex_enter_fast(M) mutex_enter_func((M), __FILE__, __LINE__) -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro in the header file, not this function directly. Locks a mutex for the current thread. If the mutex is reserved the function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting @@ -134,13 +135,13 @@ mutex_enter_func( mutex_t* mutex, /*!< in: pointer to mutex */ const char* file_name, /*!< in: file name where locked */ ulint line); /*!< in: line where locked */ -/****************************************************************** +/**************************************************************//** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ #define mutex_enter_nowait(M) \ mutex_enter_nowait_func((M), __FILE__, __LINE__) -/************************************************************************ +/********************************************************************//** NOTE! Use the corresponding macro in the header file, not this function directly. Tries to lock the mutex for the current thread. If the lock is not acquired immediately, returns with return value 1. @@ -153,7 +154,7 @@ mutex_enter_nowait_func( const char* file_name, /*!< in: file name where mutex requested */ ulint line); /*!< in: line where requested */ -/********************************************************************** +/******************************************************************//** Unlocks a mutex owned by the current thread. */ UNIV_INLINE void @@ -161,7 +162,7 @@ mutex_exit( /*=======*/ mutex_t* mutex); /*!< in: pointer to mutex */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Returns TRUE if no mutex or rw-lock is currently locked. Works only in the debug version. @return TRUE if no mutexes and rw-locks reserved */ @@ -172,14 +173,14 @@ sync_all_freed(void); #endif /* UNIV_SYNC_DEBUG */ /*##################################################################### FUNCTION PROTOTYPES FOR DEBUGGING */ -/*********************************************************************** +/*******************************************************************//** Prints wait info of the sync system. */ UNIV_INTERN void sync_print_wait_info( /*=================*/ FILE* file); /*!< in: file where to print */ -/*********************************************************************** +/*******************************************************************//** Prints info of the sync system. */ UNIV_INTERN void @@ -187,7 +188,7 @@ sync_print( /*=======*/ FILE* file); /*!< in: file where to print */ #ifdef UNIV_DEBUG -/********************************************************************** +/******************************************************************//** Checks that the mutex has been initialized. @return TRUE */ UNIV_INTERN @@ -195,7 +196,7 @@ ibool mutex_validate( /*===========*/ const mutex_t* mutex); /*!< in: mutex */ -/********************************************************************** +/******************************************************************//** Checks that the current thread owns the mutex. Works only in the debug version. @return TRUE if owns */ @@ -206,7 +207,7 @@ mutex_own( const mutex_t* mutex); /*!< in: mutex */ #endif /* UNIV_DEBUG */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Adds a latch and its level in the thread level array. Allocates the memory for the array if called first time for this OS thread. Makes the checks against other latch levels stored in the array for this thread. */ @@ -217,22 +218,24 @@ sync_thread_add_level( void* latch, /*!< in: pointer to a mutex or an rw-lock */ ulint level); /*!< in: level in the latching order; if SYNC_LEVEL_VARYING, nothing is done */ -/********************************************************************** +/******************************************************************//** Removes a latch from the thread level array if it is found there. -@return TRUE if found from the array; it is no error if the latch is not found, as we presently are not able to determine the level for every latch reservation the program does */ +@return TRUE if found in the array; it is no error if the latch is +not found, as we presently are not able to determine the level for +every latch reservation the program does */ UNIV_INTERN ibool sync_thread_reset_level( /*====================*/ void* latch); /*!< in: pointer to a mutex or an rw-lock */ -/********************************************************************** +/******************************************************************//** Checks that the level array for the current thread is empty. @return TRUE if empty */ UNIV_INTERN ibool sync_thread_levels_empty(void); /*==========================*/ -/********************************************************************** +/******************************************************************//** Checks that the level array for the current thread is empty. @return TRUE if empty except the exceptions specified below */ UNIV_INTERN @@ -243,7 +246,7 @@ sync_thread_levels_empty_gen( allowed to be owned by the thread, also purge_is_running mutex is allowed */ -/********************************************************************** +/******************************************************************//** Gets the debug information for a reserved mutex. */ UNIV_INTERN void @@ -254,7 +257,7 @@ mutex_get_debug_info( ulint* line, /*!< out: line where requested */ os_thread_id_t* thread_id); /*!< out: id of the thread which owns the mutex */ -/********************************************************************** +/******************************************************************//** Counts currently reserved mutexes. Works only in the debug version. @return number of reserved mutexes */ UNIV_INTERN @@ -262,7 +265,7 @@ ulint mutex_n_reserved(void); /*==================*/ #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** NOT to be used outside this module except in debugging! Gets the value of the lock word. */ UNIV_INLINE @@ -271,7 +274,7 @@ mutex_get_lock_word( /*================*/ const mutex_t* mutex); /*!< in: mutex */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** NOT to be used outside this module except in debugging! Gets the waiters field in a mutex. @return value to set */ @@ -490,78 +493,79 @@ or row lock! */ Do not use its fields directly! The structure used in the spin lock implementation of a mutual exclusion semaphore. */ +/** InnoDB mutex */ struct mutex_struct { - os_event_t event; /* Used by sync0arr.c for the wait queue */ - volatile lock_word_t lock_word; /* lock_word is the target + os_event_t event; /*!< Used by sync0arr.c for the wait queue */ + volatile lock_word_t lock_word; /*!< lock_word is the target of the atomic test-and-set instruction when atomic operations are enabled. */ #if !defined(HAVE_ATOMIC_BUILTINS) os_fast_mutex_t - os_fast_mutex; /* We use this OS mutex in place of lock_word + os_fast_mutex; /*!< We use this OS mutex in place of lock_word when atomic operations are not enabled */ #endif - ulint waiters; /* This ulint is set to 1 if there are (or + ulint waiters; /*!< This ulint is set to 1 if there are (or may be) threads waiting in the global wait array for this mutex to be released. Otherwise, this is 0. */ - UT_LIST_NODE_T(mutex_t) list; /* All allocated mutexes are put into + UT_LIST_NODE_T(mutex_t) list; /*!< All allocated mutexes are put into a list. Pointers to the next and prev. */ #ifdef UNIV_SYNC_DEBUG - const char* file_name; /* File where the mutex was locked */ - ulint line; /* Line where the mutex was locked */ - ulint level; /* Level in the global latching order */ + const char* file_name; /*!< File where the mutex was locked */ + ulint line; /*!< Line where the mutex was locked */ + ulint level; /*!< Level in the global latching order */ #endif /* UNIV_SYNC_DEBUG */ - const char* cfile_name;/* File name where mutex created */ - ulint cline; /* Line where created */ + const char* cfile_name;/*!< File name where mutex created */ + ulint cline; /*!< Line where created */ #ifdef UNIV_DEBUG - os_thread_id_t thread_id; /* The thread id of the thread + os_thread_id_t thread_id; /*!< The thread id of the thread which locked the mutex. */ - ulint magic_n; + ulint magic_n; /*!< MUTEX_MAGIC_N */ +/** Value of mutex_struct::magic_n */ # define MUTEX_MAGIC_N (ulint)979585 #endif /* UNIV_DEBUG */ - ulong count_os_wait; /* count of os_wait */ + ulong count_os_wait; /*!< count of os_wait */ #ifdef UNIV_DEBUG - ulong count_using; /* count of times mutex used */ - ulong count_spin_loop; /* count of spin loops */ - ulong count_spin_rounds; /* count of spin rounds */ - ulong count_os_yield; /* count of os_wait */ - ulonglong lspent_time; /* mutex os_wait timer msec */ - ulonglong lmax_spent_time; /* mutex os_wait timer msec */ - const char* cmutex_name;/* mutex name */ - ulint mutex_type;/* 0 - usual mutex 1 - rw_lock mutex */ + ulong count_using; /*!< count of times mutex used */ + ulong count_spin_loop; /*!< count of spin loops */ + ulong count_spin_rounds;/*!< count of spin rounds */ + ulong count_os_yield; /*!< count of os_wait */ + ulonglong lspent_time; /*!< mutex os_wait timer msec */ + ulonglong lmax_spent_time;/*!< mutex os_wait timer msec */ + const char* cmutex_name; /*!< mutex name */ + ulint mutex_type; /*!< 0=usual mutex, 1=rw_lock mutex */ #endif /* UNIV_DEBUG */ }; -/* The global array of wait cells for implementation of the databases own -mutexes and read-write locks. Appears here for debugging purposes only! */ +/** The global array of wait cells for implementation of the databases own +mutexes and read-write locks. */ +extern sync_array_t* sync_primary_wait_array;/* Appears here for + debugging purposes only! */ -extern sync_array_t* sync_primary_wait_array; - -/* Constant determining how long spin wait is continued before suspending +/** Constant determining how long spin wait is continued before suspending the thread. A value 600 rounds on a 1995 100 MHz Pentium seems to correspond to 20 microseconds. */ #define SYNC_SPIN_ROUNDS srv_n_spin_wait_rounds -/* The number of system calls made in this module. Intended for performance -monitoring. */ - +/** The number of mutex_exit calls. Intended for performance monitoring. */ extern ib_int64_t mutex_exit_count; #ifdef UNIV_SYNC_DEBUG -/* Latching order checks start when this is set TRUE */ +/** Latching order checks start when this is set TRUE */ extern ibool sync_order_checks_on; #endif /* UNIV_SYNC_DEBUG */ -/* This variable is set to TRUE when sync_init is called */ +/** This variable is set to TRUE when sync_init is called */ extern ibool sync_initialized; -/* Global list of database mutexes (not OS mutexes) created. */ +/** Global list of database mutexes (not OS mutexes) created. */ typedef UT_LIST_BASE_NODE_T(mutex_t) ut_list_base_node_t; +/** Global list of database mutexes (not OS mutexes) created. */ extern ut_list_base_node_t mutex_list; -/* Mutex protecting the mutex_list variable */ +/** Mutex protecting the mutex_list variable */ extern mutex_t mutex_list_mutex; diff --git a/include/sync0sync.ic b/include/sync0sync.ic index bc15afdd700..b05020b5660 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -23,13 +23,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0sync.ic Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri *******************************************************/ -/********************************************************************** +/******************************************************************//** Sets the waiters field in a mutex. */ UNIV_INTERN void @@ -37,7 +38,7 @@ mutex_set_waiters( /*==============*/ mutex_t* mutex, /*!< in: mutex */ ulint n); /*!< in: value to set */ -/********************************************************************** +/******************************************************************//** Reserves a mutex for the current thread. If the mutex is reserved, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting for the mutex before suspending the thread. */ @@ -50,7 +51,7 @@ mutex_spin_wait( requested */ ulint line); /*!< in: line where requested */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Sets the debug information for a reserved mutex. */ UNIV_INTERN void @@ -60,7 +61,7 @@ mutex_set_debug_info( const char* file_name, /*!< in: file where requested */ ulint line); /*!< in: line where requested */ #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Releases the threads waiting in the primary wait array for this mutex. */ UNIV_INTERN void @@ -68,7 +69,7 @@ mutex_signal_object( /*================*/ mutex_t* mutex); /*!< in: mutex */ -/********************************************************************** +/******************************************************************//** Performs an atomic test-and-set instruction to the lock_word field of a mutex. @return the previous value of lock_word: 0 or 1 */ @@ -97,7 +98,7 @@ mutex_test_and_set( #endif } -/********************************************************************** +/******************************************************************//** Performs a reset instruction to the lock_word field of a mutex. This instruction also serializes memory operations to the program order. */ UNIV_INLINE @@ -118,7 +119,7 @@ mutex_reset_lock_word( #endif } -/********************************************************************** +/******************************************************************//** Gets the value of the lock word. */ UNIV_INLINE lock_word_t @@ -131,7 +132,7 @@ mutex_get_lock_word( return(mutex->lock_word); } -/********************************************************************** +/******************************************************************//** Gets the waiters field in a mutex. @return value to set */ UNIV_INLINE @@ -140,7 +141,7 @@ mutex_get_waiters( /*==============*/ const mutex_t* mutex) /*!< in: mutex */ { - const volatile ulint* ptr; /* declared volatile to ensure that + const volatile ulint* ptr; /*!< declared volatile to ensure that the value is read from memory */ ut_ad(mutex); @@ -150,7 +151,7 @@ mutex_get_waiters( word from memory is atomic */ } -/********************************************************************** +/******************************************************************//** Unlocks a mutex owned by the current thread. */ UNIV_INLINE void @@ -189,7 +190,7 @@ mutex_exit( #endif } -/********************************************************************** +/******************************************************************//** Locks a mutex for the current thread. If the mutex is reserved, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for the mutex before suspending the thread. */ diff --git a/include/sync0types.h b/include/sync0types.h index 3c1021b1a30..1911bbac7fd 100644 --- a/include/sync0types.h +++ b/include/sync0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/sync0types.h Global types for sync Created 9/5/1995 Heikki Tuuri @@ -25,7 +26,9 @@ Created 9/5/1995 Heikki Tuuri #ifndef sync0types_h #define sync0types_h +/** Rename mutex_t to avoid name space collision on some systems */ #define mutex_t ib_mutex_t +/** InnoDB mutex */ typedef struct mutex_struct mutex_t; #endif diff --git a/include/thr0loc.h b/include/thr0loc.h index facc0636536..b4bdc33e615 100644 --- a/include/thr0loc.h +++ b/include/thr0loc.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/thr0loc.h The thread local storage Created 10/5/1995 Heikki Tuuri @@ -32,26 +33,26 @@ OS handle to the current thread, or its priority. */ #include "univ.i" #include "os0thread.h" -/******************************************************************** +/****************************************************************//** Initializes the thread local storage module. */ UNIV_INTERN void thr_local_init(void); /*================*/ -/*********************************************************************** +/*******************************************************************//** Creates a local storage struct for the calling new thread. */ UNIV_INTERN void thr_local_create(void); /*==================*/ -/*********************************************************************** +/*******************************************************************//** Frees the local storage struct for the specified thread. */ UNIV_INTERN void thr_local_free( /*===========*/ os_thread_id_t id); /*!< in: thread id */ -/*********************************************************************** +/*******************************************************************//** Gets the slot number in the thread table of a thread. @return slot number */ UNIV_INTERN @@ -59,7 +60,7 @@ ulint thr_local_get_slot_no( /*==================*/ os_thread_id_t id); /*!< in: thread id of the thread */ -/*********************************************************************** +/*******************************************************************//** Sets in the local storage the slot number in the thread table of a thread. */ UNIV_INTERN void @@ -67,7 +68,7 @@ thr_local_set_slot_no( /*==================*/ os_thread_id_t id, /*!< in: thread id of the thread */ ulint slot_no);/*!< in: slot number */ -/*********************************************************************** +/*******************************************************************//** Returns pointer to the 'in_ibuf' field within the current thread local storage. @return pointer to the in_ibuf field */ diff --git a/include/thr0loc.ic b/include/thr0loc.ic index 6de183fd857..ce44e512320 100644 --- a/include/thr0loc.ic +++ b/include/thr0loc.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/thr0loc.ic Thread local storage Created 10/4/1995 Heikki Tuuri diff --git a/include/trx0i_s.h b/include/trx0i_s.h index 11a221bd993..9bf032de9f9 100644 --- a/include/trx0i_s.h +++ b/include/trx0i_s.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0i_s.h INFORMATION SCHEMA innodb_trx, innodb_locks and innodb_lock_waits tables cache structures and public functions. @@ -31,82 +32,109 @@ Created July 17, 2007 Vasil Dimov #include "trx0types.h" #include "ut0ut.h" -/* the maximum amount of memory that can be consumed by innodb_trx, +/** The maximum amount of memory that can be consumed by innodb_trx, innodb_locks and innodb_lock_waits information schema tables. */ #define TRX_I_S_MEM_LIMIT 16777216 /* 16 MiB */ -/* the maximum length of a string that can be stored in +/** The maximum length of a string that can be stored in i_s_locks_row_t::lock_data */ #define TRX_I_S_LOCK_DATA_MAX_LEN 8192 -/* the maximum length of a string that can be stored in +/** The maximum length of a string that can be stored in i_s_trx_row_t::trx_query */ #define TRX_I_S_TRX_QUERY_MAX_LEN 1024 +/** A row of INFORMATION_SCHEMA.innodb_locks */ typedef struct i_s_locks_row_struct i_s_locks_row_t; +/** A row of INFORMATION_SCHEMA.innodb_trx */ +typedef struct i_s_trx_row_struct i_s_trx_row_t; +/** A row of INFORMATION_SCHEMA.innodb_lock_waits */ +typedef struct i_s_lock_waits_row_struct i_s_lock_waits_row_t; + +/** Objects of trx_i_s_cache_t::locks_hash */ typedef struct i_s_hash_chain_struct i_s_hash_chain_t; -/* Objects of this type are added to the hash table +/** Objects of this type are added to the hash table trx_i_s_cache_t::locks_hash */ struct i_s_hash_chain_struct { - i_s_locks_row_t* value; - i_s_hash_chain_t* next; + i_s_locks_row_t* value; /*!< row of + INFORMATION_SCHEMA.innodb_locks*/ + i_s_hash_chain_t* next; /*!< next item in the hash chain */ }; -/* This structure represents INFORMATION_SCHEMA.innodb_locks row */ +/** This structure represents INFORMATION_SCHEMA.innodb_locks row */ struct i_s_locks_row_struct { - ullint lock_trx_id; - const char* lock_mode; - const char* lock_type; - const char* lock_table; - const char* lock_index; - ulint lock_space; - ulint lock_page; - ulint lock_rec; - const char* lock_data; + ullint lock_trx_id; /*!< transaction identifier */ + const char* lock_mode; /*!< lock mode from + lock_get_mode_str() */ + const char* lock_type; /*!< lock type from + lock_get_type_str() */ + const char* lock_table; /*!< table name from + lock_get_table_name() */ + const char* lock_index; /*!< index name from + lock_rec_get_index_name() */ + /** Information for record locks. All these are + ULINT_UNDEFINED for table locks. */ + /* @{ */ + ulint lock_space; /*!< tablespace identifier */ + ulint lock_page; /*!< page number within the_space */ + ulint lock_rec; /*!< heap number of the record + on the page */ + const char* lock_data; /*!< (some) content of the record */ + /* @} */ - /* The following are auxiliary and not included in the table */ + /** The following are auxiliary and not included in the table */ + /* @{ */ ullint lock_table_id; - i_s_hash_chain_t hash_chain; /* this object is added to the hash - table - trx_i_s_cache_t::locks_hash */ + /*!< table identifier from + lock_get_table_id */ + i_s_hash_chain_t hash_chain; /*!< hash table chain node for + trx_i_s_cache_t::locks_hash */ + /* @} */ }; -/* This structure represents INFORMATION_SCHEMA.innodb_trx row */ -typedef struct i_s_trx_row_struct { - ullint trx_id; - const char* trx_state; - ib_time_t trx_started; +/** This structure represents INFORMATION_SCHEMA.innodb_trx row */ +struct i_s_trx_row_struct { + ullint trx_id; /*!< transaction identifier */ + const char* trx_state; /*!< transaction state from + trx_get_que_state_str() */ + ib_time_t trx_started; /*!< trx_struct::start_time */ const i_s_locks_row_t* requested_lock_row; + /*!< pointer to a row + in innodb_locks if trx + is waiting, or NULL */ ib_time_t trx_wait_started; - ullint trx_weight; + /*!< trx_struct::wait_started */ + ullint trx_weight; /*!< TRX_WEIGHT() */ ulint trx_mysql_thread_id; - const char* trx_query; -} i_s_trx_row_t; + /*!< thd_get_thread_id() */ + const char* trx_query; /*!< MySQL statement being + executed in the transaction */ +}; -/* This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */ -typedef struct i_s_lock_waits_row_struct { - const i_s_locks_row_t* requested_lock_row; - const i_s_locks_row_t* blocking_lock_row; -} i_s_lock_waits_row_t; +/** This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */ +struct i_s_lock_waits_row_struct { + const i_s_locks_row_t* requested_lock_row; /*!< requested lock */ + const i_s_locks_row_t* blocking_lock_row; /*!< blocking lock */ +}; -/* This type is opaque and is defined in trx/trx0i_s.c */ +/** Cache of INFORMATION_SCHEMA table data */ typedef struct trx_i_s_cache_struct trx_i_s_cache_t; -/* Auxiliary enum used by functions that need to select one of the +/** Auxiliary enum used by functions that need to select one of the INFORMATION_SCHEMA tables */ enum i_s_table { - I_S_INNODB_TRX, - I_S_INNODB_LOCKS, - I_S_INNODB_LOCK_WAITS + I_S_INNODB_TRX, /*!< INFORMATION_SCHEMA.innodb_trx */ + I_S_INNODB_LOCKS, /*!< INFORMATION_SCHEMA.innodb_locks */ + I_S_INNODB_LOCK_WAITS /*!< INFORMATION_SCHEMA.innodb_lock_waits */ }; -/* This is the intermediate buffer where data needed to fill the +/** This is the intermediate buffer where data needed to fill the INFORMATION SCHEMA tables is fetched and later retrieved by the C++ code in handler/i_s.cc. */ extern trx_i_s_cache_t* trx_i_s_cache; -/*********************************************************************** +/*******************************************************************//** Initialize INFORMATION SCHEMA trx related cache. */ UNIV_INTERN void @@ -114,7 +142,7 @@ trx_i_s_cache_init( /*===============*/ trx_i_s_cache_t* cache); /*!< out: cache to init */ -/*********************************************************************** +/*******************************************************************//** Issue a shared/read lock on the tables cache. */ UNIV_INTERN void @@ -122,7 +150,7 @@ trx_i_s_cache_start_read( /*=====================*/ trx_i_s_cache_t* cache); /*!< in: cache */ -/*********************************************************************** +/*******************************************************************//** Release a shared/read lock on the tables cache. */ UNIV_INTERN void @@ -130,7 +158,7 @@ trx_i_s_cache_end_read( /*===================*/ trx_i_s_cache_t* cache); /*!< in: cache */ -/*********************************************************************** +/*******************************************************************//** Issue an exclusive/write lock on the tables cache. */ UNIV_INTERN void @@ -138,7 +166,7 @@ trx_i_s_cache_start_write( /*======================*/ trx_i_s_cache_t* cache); /*!< in: cache */ -/*********************************************************************** +/*******************************************************************//** Release an exclusive/write lock on the tables cache. */ UNIV_INTERN void @@ -147,7 +175,7 @@ trx_i_s_cache_end_write( trx_i_s_cache_t* cache); /*!< in: cache */ -/*********************************************************************** +/*******************************************************************//** Retrieves the number of used rows in the cache for a given INFORMATION SCHEMA table. @return number of rows */ @@ -158,7 +186,7 @@ trx_i_s_cache_get_rows_used( trx_i_s_cache_t* cache, /*!< in: cache */ enum i_s_table table); /*!< in: which table */ -/*********************************************************************** +/*******************************************************************//** Retrieves the nth row in the cache for a given INFORMATION SCHEMA table. @return row */ @@ -170,7 +198,7 @@ trx_i_s_cache_get_nth_row( enum i_s_table table, /*!< in: which table */ ulint n); /*!< in: row number */ -/*********************************************************************** +/*******************************************************************//** Update the transactions cache if it has not been read for some time. @return 0 - fetched, 1 - not */ UNIV_INTERN @@ -179,7 +207,7 @@ trx_i_s_possibly_fetch_data_into_cache( /*===================================*/ trx_i_s_cache_t* cache); /*!< in/out: cache */ -/*********************************************************************** +/*******************************************************************//** Returns TRUE if the data in the cache is truncated due to the memory limit posed by TRX_I_S_MEM_LIMIT. @return TRUE if truncated */ @@ -189,12 +217,12 @@ trx_i_s_cache_is_truncated( /*=======================*/ trx_i_s_cache_t* cache); /*!< in: cache */ -/* The maximum length of a resulting lock_id_size in -trx_i_s_create_lock_id(), not including the terminating '\0'. +/** The maximum length of a resulting lock_id_size in +trx_i_s_create_lock_id(), not including the terminating NUL. ":%lu:%lu:%lu" -> 63 chars */ #define TRX_I_S_LOCK_ID_MAX_LEN (TRX_ID_MAX_LEN + 63) -/*********************************************************************** +/*******************************************************************//** Crafts a lock id string from a i_s_locks_row_t object. Returns its second argument. This function aborts if there is not enough space in lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you diff --git a/include/trx0purge.h b/include/trx0purge.h index f8671d02df1..7812ad7eb92 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0purge.h Purge old versions Created 3/26/1996 Heikki Tuuri @@ -34,14 +35,14 @@ Created 3/26/1996 Heikki Tuuri #include "usr0sess.h" #include "fil0fil.h" -/* The global data structure coordinating a purge */ +/** The global data structure coordinating a purge */ extern trx_purge_t* purge_sys; -/* A dummy undo record used as a return value when we have a whole undo log +/** A dummy undo record used as a return value when we have a whole undo log which needs no purge */ extern trx_undo_rec_t trx_purge_dummy_rec; -/************************************************************************ +/********************************************************************//** Calculates the file address of an undo log header when we have the file address of its history list node. @return file address of the log */ @@ -51,23 +52,25 @@ trx_purge_get_log_from_hist( /*========================*/ fil_addr_t node_addr); /*!< in: file address of the history list node of the log */ -/********************************************************************* +/*****************************************************************//** Checks if trx_id is >= purge_view: then it is guaranteed that its update undo log still exists in the system. -@return TRUE if is sure that it is preserved, also if the function returns FALSE, it is possible that the undo log still exists in the system */ +@return TRUE if is sure that it is preserved, also if the function +returns FALSE, it is possible that the undo log still exists in the +system */ UNIV_INTERN ibool trx_purge_update_undo_must_exist( /*=============================*/ trx_id_t trx_id);/*!< in: transaction id */ -/************************************************************************ +/********************************************************************//** Creates the global purge system control structure and inits the history mutex. */ UNIV_INTERN void trx_purge_sys_create(void); /*======================*/ -/************************************************************************ +/********************************************************************//** Adds the update undo log as the first log in the history list. Removes the update undo log segment from the rseg slot if it is too big for reuse. */ UNIV_INTERN @@ -78,10 +81,11 @@ trx_purge_add_update_undo_to_history( page_t* undo_page, /*!< in: update undo log header page, x-latched */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** Fetches the next undo log record from the history list to purge. It must be released with the corresponding release function. -@return copy of an undo log record, or pointer to the dummy undo log record &trx_purge_dummy_rec if the whole undo log can skipped in purge; NULL if none left */ +@return copy of an undo log record or pointer to trx_purge_dummy_rec, +if the whole undo log can skipped in purge; NULL if none left */ UNIV_INTERN trx_undo_rec_t* trx_purge_fetch_next_rec( @@ -90,81 +94,81 @@ trx_purge_fetch_next_rec( trx_undo_inf_t** cell, /*!< out: storage cell for the record in the purge array */ mem_heap_t* heap); /*!< in: memory heap where copied */ -/*********************************************************************** +/*******************************************************************//** Releases a reserved purge undo record. */ UNIV_INTERN void trx_purge_rec_release( /*==================*/ trx_undo_inf_t* cell); /*!< in: storage cell */ -/*********************************************************************** +/*******************************************************************//** This function runs a purge batch. @return number of undo log pages handled in the batch */ UNIV_INTERN ulint trx_purge(void); /*===========*/ -/********************************************************************** +/******************************************************************//** Prints information of the purge system to stderr. */ UNIV_INTERN void trx_purge_sys_print(void); /*======================*/ -/* The control structure used in the purge operation */ +/** The control structure used in the purge operation */ struct trx_purge_struct{ - ulint state; /* Purge system state */ - sess_t* sess; /* System session running the purge + ulint state; /*!< Purge system state */ + sess_t* sess; /*!< System session running the purge query */ - trx_t* trx; /* System transaction running the purge + trx_t* trx; /*!< System transaction running the purge query: this trx is not in the trx list of the trx system and it never ends */ - que_t* query; /* The query graph which will do the + que_t* query; /*!< The query graph which will do the parallelized purge operation */ - rw_lock_t latch; /* The latch protecting the purge view. + rw_lock_t latch; /*!< The latch protecting the purge view. A purge operation must acquire an x-latch here for the instant at which it changes the purge view: an undo log operation can prevent this by obtaining an s-latch here. */ - read_view_t* view; /* The purge will not remove undo logs + read_view_t* view; /*!< The purge will not remove undo logs which are >= this view (purge view) */ - mutex_t mutex; /* Mutex protecting the fields below */ - ulint n_pages_handled;/* Approximate number of undo log + mutex_t mutex; /*!< Mutex protecting the fields below */ + ulint n_pages_handled;/*!< Approximate number of undo log pages processed in purge */ - ulint handle_limit; /* Target of how many pages to get + ulint handle_limit; /*!< Target of how many pages to get processed in the current purge */ /*------------------------------*/ /* The following two fields form the 'purge pointer' which advances during a purge, and which is used in history list truncation */ - trx_id_t purge_trx_no; /* Purge has advanced past all + trx_id_t purge_trx_no; /*!< Purge has advanced past all transactions whose number is less than this */ - undo_no_t purge_undo_no; /* Purge has advanced past all records + undo_no_t purge_undo_no; /*!< Purge has advanced past all records whose undo number is less than this */ /*-----------------------------*/ - ibool next_stored; /* TRUE if the info of the next record + ibool next_stored; /*!< TRUE if the info of the next record to purge is stored below: if yes, then the transaction number and the undo number of the record are stored in purge_trx_no and purge_undo_no above */ - trx_rseg_t* rseg; /* Rollback segment for the next undo + trx_rseg_t* rseg; /*!< Rollback segment for the next undo record to purge */ - ulint page_no; /* Page number for the next undo + ulint page_no; /*!< Page number for the next undo record to purge, page number of the log header, if dummy record */ - ulint offset; /* Page offset for the next undo + ulint offset; /*!< Page offset for the next undo record to purge, 0 if the dummy record */ - ulint hdr_page_no; /* Header page of the undo log where + ulint hdr_page_no; /*!< Header page of the undo log where the next record to purge belongs */ - ulint hdr_offset; /* Header byte offset on the page */ + ulint hdr_offset; /*!< Header byte offset on the page */ /*-----------------------------*/ - trx_undo_arr_t* arr; /* Array of transaction numbers and + trx_undo_arr_t* arr; /*!< Array of transaction numbers and undo numbers of the undo records currently under processing in purge */ - mem_heap_t* heap; /* Temporary storage used during a + mem_heap_t* heap; /*!< Temporary storage used during a purge: can be emptied after purge completes */ }; diff --git a/include/trx0purge.ic b/include/trx0purge.ic index 21e843b8ce9..de09e393654 100644 --- a/include/trx0purge.ic +++ b/include/trx0purge.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0purge.ic Purge old versions Created 3/26/1996 Heikki Tuuri @@ -24,7 +25,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0undo.h" -/************************************************************************ +/********************************************************************//** Calculates the file address of an undo log header when we have the file address of its history list node. @return file address of the log */ diff --git a/include/trx0rec.h b/include/trx0rec.h index 291aeafe0df..0ae82c33afe 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0rec.h Transaction undo log record Created 3/26/1996 Heikki Tuuri @@ -36,7 +37,7 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP # include "que0types.h" -/*************************************************************************** +/***********************************************************************//** Copies the undo record to the heap. @return own: copy of undo log record */ UNIV_INLINE @@ -45,7 +46,7 @@ trx_undo_rec_copy( /*==============*/ trx_undo_rec_t* undo_rec, /*!< in: undo log record */ mem_heap_t* heap); /*!< in: heap where copied */ -/************************************************************************** +/**********************************************************************//** Reads the undo log record type. @return record type */ UNIV_INLINE @@ -53,7 +54,7 @@ ulint trx_undo_rec_get_type( /*==================*/ const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/************************************************************************** +/**********************************************************************//** Reads from an undo log record the record compiler info. @return compiler info */ UNIV_INLINE @@ -61,7 +62,7 @@ ulint trx_undo_rec_get_cmpl_info( /*=======================*/ const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/************************************************************************** +/**********************************************************************//** Returns TRUE if an undo log record contains an extern storage field. @return TRUE if extern */ UNIV_INLINE @@ -69,7 +70,7 @@ ibool trx_undo_rec_get_extern_storage( /*============================*/ const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/************************************************************************** +/**********************************************************************//** Reads the undo log record number. @return undo no */ UNIV_INLINE @@ -77,7 +78,7 @@ undo_no_t trx_undo_rec_get_undo_no( /*=====================*/ const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/************************************************************************** +/**********************************************************************//** Returns the start of the undo record data area. @return offset to the data area */ UNIV_INLINE @@ -87,12 +88,12 @@ trx_undo_rec_get_offset( undo_no_t undo_no) /*!< in: undo no read from node */ __attribute__((const)); -/************************************************************************** +/**********************************************************************//** Returns the start of the undo record data area. */ #define trx_undo_rec_get_ptr(undo_rec, undo_no) \ ((undo_rec) + trx_undo_rec_get_offset(undo_no)) -/************************************************************************** +/**********************************************************************//** Reads from an undo log record the general parameters. @return remaining part of undo log record after reading these values */ UNIV_INTERN @@ -108,7 +109,7 @@ trx_undo_rec_get_pars( externally stored fild */ undo_no_t* undo_no, /*!< out: undo log record number */ dulint* table_id); /*!< out: table id */ -/*********************************************************************** +/*******************************************************************//** Builds a row reference from an undo log record. @return pointer to remaining part of undo record */ UNIV_INTERN @@ -125,7 +126,7 @@ trx_undo_rec_get_row_ref( dtuple_t** ref, /*!< out, own: row reference */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*********************************************************************** +/*******************************************************************//** Skips a row reference from an undo log record. @return pointer to remaining part of undo record */ UNIV_INTERN @@ -135,7 +136,7 @@ trx_undo_rec_skip_row_ref( byte* ptr, /*!< in: remaining part in update undo log record, at the start of the row reference */ dict_index_t* index); /*!< in: clustered index */ -/************************************************************************** +/**********************************************************************//** Reads from an undo log update record the system field values of the old version. @return remaining part of undo log record after reading these values */ @@ -149,9 +150,10 @@ trx_undo_update_rec_get_sys_cols( trx_id_t* trx_id, /*!< out: trx id */ roll_ptr_t* roll_ptr, /*!< out: roll ptr */ ulint* info_bits); /*!< out: info bits state */ -/*********************************************************************** +/*******************************************************************//** Builds an update vector based on a remaining part of an undo log record. -@return remaining part of the record, NULL if an error detected, which means that the record is corrupted */ +@return remaining part of the record, NULL if an error detected, which +means that the record is corrupted */ UNIV_INTERN byte* trx_undo_update_rec_get_update( @@ -175,7 +177,7 @@ trx_undo_update_rec_get_update( mem_heap_t* heap, /*!< in: memory heap from which the memory needed is allocated */ upd_t** upd); /*!< out, own: update vector */ -/*********************************************************************** +/*******************************************************************//** Builds a partial row from an update undo log record. It contains the columns which occur as ordering in any index of the table. @return pointer to remaining part of undo record */ @@ -197,7 +199,7 @@ trx_undo_rec_get_partial_row( only in the assertion. */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ -/*************************************************************************** +/***********************************************************************//** Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the transaction and in consistent reads that must look to the history of this @@ -227,7 +229,7 @@ trx_undo_report_row_operation( inserted undo log record, ut_dulint_zero if BTR_NO_UNDO_LOG flag was specified */ -/********************************************************************** +/******************************************************************//** Copies an undo record to heap. This function can be called if we know that the undo log record exists. @return own: copy of the record */ @@ -237,9 +239,14 @@ trx_undo_get_undo_rec_low( /*======================*/ roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ mem_heap_t* heap); /*!< in: memory heap where copied */ -/********************************************************************** +/******************************************************************//** Copies an undo record to heap. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been truncated and we cannot fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ + +NOTE: the caller must have latches on the clustered index page and +purge_view. + +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been +truncated and we cannot fetch the old version */ UNIV_INTERN ulint trx_undo_get_undo_rec( @@ -250,12 +257,14 @@ trx_undo_get_undo_rec( undo log of this transaction */ trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ mem_heap_t* heap); /*!< in: memory heap where copied */ -/*********************************************************************** +/*******************************************************************//** Build a previous version of a clustered index record. This function checks that the caller has a latch on the index page of the clustered index record and an s-latch on the purge_view. This guarantees that the stack of versions is locked. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is not >= purge_view, which means that it may have been removed, DB_ERROR if corrupted record */ +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is +earlier than purge_view, which means that it may have been removed, +DB_ERROR if corrupted record */ UNIV_INTERN ulint trx_undo_prev_version_build( @@ -273,7 +282,7 @@ trx_undo_prev_version_build( rec is the first inserted version, or if history data has been deleted */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of adding an undo log record. @return end of log record or NULL */ UNIV_INTERN @@ -283,7 +292,7 @@ trx_undo_parse_add_undo_rec( byte* ptr, /*!< in: buffer */ byte* end_ptr,/*!< in: buffer end */ page_t* page); /*!< in: page or NULL */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of erasing of an undo page end. @return end of log record or NULL */ UNIV_INTERN diff --git a/include/trx0rec.ic b/include/trx0rec.ic index a75b90ca953..037b5d4f6cf 100644 --- a/include/trx0rec.ic +++ b/include/trx0rec.ic @@ -16,14 +16,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0rec.ic Transaction undo log record Created 3/26/1996 Heikki Tuuri *******************************************************/ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Reads from an undo log record the record type. @return record type */ UNIV_INLINE @@ -35,7 +36,7 @@ trx_undo_rec_get_type( return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); } -/************************************************************************** +/**********************************************************************//** Reads from an undo log record the record compiler info. @return compiler info */ UNIV_INLINE @@ -47,7 +48,7 @@ trx_undo_rec_get_cmpl_info( return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); } -/************************************************************************** +/**********************************************************************//** Returns TRUE if an undo log record contains an extern storage field. @return TRUE if extern */ UNIV_INLINE @@ -64,7 +65,7 @@ trx_undo_rec_get_extern_storage( return(FALSE); } -/************************************************************************** +/**********************************************************************//** Reads the undo log record number. @return undo no */ UNIV_INLINE @@ -80,7 +81,7 @@ trx_undo_rec_get_undo_no( return(mach_dulint_read_much_compressed(ptr)); } -/************************************************************************** +/**********************************************************************//** Returns the start of the undo record data area. @return offset to the data area */ UNIV_INLINE @@ -92,7 +93,7 @@ trx_undo_rec_get_offset( return (3 + mach_dulint_get_much_compressed_size(undo_no)); } -/*************************************************************************** +/***********************************************************************//** Copies the undo record to the heap. @return own: copy of undo log record */ UNIV_INLINE diff --git a/include/trx0roll.h b/include/trx0roll.h index 7be10d30a96..ddca9e9e4ef 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0roll.h Transaction rollback Created 3/26/1996 Heikki Tuuri @@ -33,16 +34,17 @@ Created 3/26/1996 Heikki Tuuri #define trx_roll_free_all_savepoints(s) trx_roll_savepoints_free((s), NULL) -/*********************************************************************** +/*******************************************************************//** Determines if this transaction is rolling back an incomplete transaction in crash recovery. -@return TRUE if trx is an incomplete transaction that is being rolled back in crash recovery */ +@return TRUE if trx is an incomplete transaction that is being rolled +back in crash recovery */ UNIV_INTERN ibool trx_is_recv( /*========*/ const trx_t* trx); /*!< in: transaction */ -/*********************************************************************** +/*******************************************************************//** Returns a transaction savepoint taken at this point in time. @return savepoint */ UNIV_INTERN @@ -50,20 +52,20 @@ trx_savept_t trx_savept_take( /*============*/ trx_t* trx); /*!< in: transaction */ -/*********************************************************************** +/*******************************************************************//** Creates an undo number array. */ UNIV_INTERN trx_undo_arr_t* trx_undo_arr_create(void); /*=====================*/ -/*********************************************************************** +/*******************************************************************//** Frees an undo number array. */ UNIV_INTERN void trx_undo_arr_free( /*==============*/ trx_undo_arr_t* arr); /*!< in: undo number array */ -/*********************************************************************** +/*******************************************************************//** Returns pointer to nth element in an undo number array. @return pointer to the nth element */ UNIV_INLINE @@ -72,20 +74,21 @@ trx_undo_arr_get_nth_info( /*======================*/ trx_undo_arr_t* arr, /*!< in: undo number array */ ulint n); /*!< in: position */ -/*************************************************************************** +/***********************************************************************//** Tries truncate the undo logs. */ UNIV_INTERN void trx_roll_try_truncate( /*==================*/ trx_t* trx); /*!< in/out: transaction */ -/************************************************************************ +/********************************************************************//** Pops the topmost record when the two undo logs of a transaction are seen as a single stack of records ordered by their undo numbers. Inserts the undo number of the popped undo record to the array of currently processed undo numbers in the transaction. When the query thread finishes processing of this undo record, it must be released with trx_undo_rec_release. -@return undo log record copied to heap, NULL if none left, or if the undo number of the top record would be less than the limit */ +@return undo log record copied to heap, NULL if none left, or if the +undo number of the top record would be less than the limit */ UNIV_INTERN trx_undo_rec_t* trx_roll_pop_top_rec_of_trx( @@ -94,7 +97,7 @@ trx_roll_pop_top_rec_of_trx( undo_no_t limit, /*!< in: least undo number we need */ roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ mem_heap_t* heap); /*!< in: memory heap where copied */ -/************************************************************************ +/********************************************************************//** Reserves an undo log record for a query thread to undo. This should be called if the query thread gets the undo log record not using the pop function above. @@ -105,7 +108,7 @@ trx_undo_rec_reserve( /*=================*/ trx_t* trx, /*!< in/out: transaction */ undo_no_t undo_no);/*!< in: undo number of the record */ -/*********************************************************************** +/*******************************************************************//** Releases a reserved undo record. */ UNIV_INTERN void @@ -113,7 +116,7 @@ trx_undo_rec_release( /*=================*/ trx_t* trx, /*!< in/out: transaction */ undo_no_t undo_no);/*!< in: undo number */ -/************************************************************************* +/*********************************************************************//** Starts a rollback operation. */ UNIV_INTERN void @@ -126,7 +129,7 @@ trx_rollback( a pointer to a NULL pointer, then the calling function can start running a new query thread */ -/*********************************************************************** +/*******************************************************************//** Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the @@ -140,7 +143,7 @@ trx_rollback_or_clean_all_recovered( void* arg __attribute__((unused))); /*!< in: a dummy parameter required by os_thread_create */ -/******************************************************************** +/****************************************************************//** Finishes a transaction rollback. */ UNIV_INTERN void @@ -154,7 +157,7 @@ trx_finish_rollback_off_kernel( calling function can start running a new query thread; if this parameter is NULL, it is ignored */ -/******************************************************************** +/****************************************************************//** Builds an undo 'query' graph for a transaction. The actual rollback is performed by executing this query graph like a query subprocedure call. The reply about the completion of the rollback will be sent by this @@ -165,7 +168,7 @@ que_t* trx_roll_graph_build( /*=================*/ trx_t* trx); /*!< in: trx handle */ -/************************************************************************* +/*********************************************************************//** Creates a rollback command node struct. @return own: rollback node struct */ UNIV_INTERN @@ -173,7 +176,7 @@ roll_node_t* roll_node_create( /*=============*/ mem_heap_t* heap); /*!< in: mem heap where created */ -/*************************************************************** +/***********************************************************//** Performs an execution step for a rollback command node in a query graph. @return query thread to run next, or NULL */ UNIV_INTERN @@ -181,7 +184,7 @@ que_thr_t* trx_rollback_step( /*==============*/ que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************** +/*******************************************************************//** Rollback a transaction used in MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -189,7 +192,7 @@ int trx_rollback_for_mysql( /*===================*/ trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************** +/*******************************************************************//** Rollback the latest SQL statement for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -197,7 +200,7 @@ int trx_rollback_last_sql_stat_for_mysql( /*=================================*/ trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************** +/*******************************************************************//** Rollback a transaction used in MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -208,14 +211,15 @@ trx_general_rollback_for_mysql( ibool partial,/*!< in: TRUE if partial rollback requested */ trx_savept_t* savept);/*!< in: pointer to savepoint undo number, if partial rollback requested */ -/*********************************************************************** +/*******************************************************************//** Rolls back a transaction back to a named savepoint. Modifications after the savepoint are undone but InnoDB does NOT release the corresponding locks which are stored in memory. If a lock is 'implicit', that is, a new inserted row holds a lock where the lock information is carried by the trx id stored in the row, these locks are naturally released in the rollback. Savepoints which were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_rollback_to_savepoint_for_mysql( @@ -228,7 +232,7 @@ trx_rollback_to_savepoint_for_mysql( information to remove the binlog entries of the queries executed after the savepoint */ -/*********************************************************************** +/*******************************************************************//** Creates a named savepoint. If the transaction is not yet started, starts it. If there is already a savepoint of the same name, this call erases that old savepoint and replaces it with a new. Savepoints are deleted in a transaction @@ -245,10 +249,11 @@ trx_savepoint_for_mysql( connection at the time of the savepoint */ -/*********************************************************************** +/*******************************************************************//** Releases a named savepoint. Savepoints which were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_release_savepoint_for_mysql( @@ -256,7 +261,7 @@ trx_release_savepoint_for_mysql( trx_t* trx, /*!< in: transaction handle */ const char* savepoint_name); /*!< in: savepoint name */ -/*********************************************************************** +/*******************************************************************//** Frees a single savepoint struct. */ UNIV_INTERN void @@ -265,7 +270,7 @@ trx_roll_savepoint_free( trx_t* trx, /*!< in: transaction handle */ trx_named_savept_t* savep); /*!< in: savepoint to free */ -/*********************************************************************** +/*******************************************************************//** Frees savepoint structs starting from savep, if savep == NULL then free all savepoints. */ UNIV_INTERN @@ -277,52 +282,58 @@ trx_roll_savepoints_free( if this is NULL, free all savepoints of trx */ -/* A cell in the array used during a rollback and a purge */ +/** A cell of trx_undo_arr_struct; used during a rollback and a purge */ struct trx_undo_inf_struct{ - trx_id_t trx_no; /* transaction number: not defined during + trx_id_t trx_no; /*!< transaction number: not defined during a rollback */ - undo_no_t undo_no;/* undo number of an undo record */ - ibool in_use; /* TRUE if the cell is in use */ + undo_no_t undo_no;/*!< undo number of an undo record */ + ibool in_use; /*!< TRUE if the cell is in use */ }; -/* During a rollback and a purge, undo numbers of undo records currently being +/** During a rollback and a purge, undo numbers of undo records currently being processed are stored in this array */ struct trx_undo_arr_struct{ - ulint n_cells; /* number of cells in the array */ - ulint n_used; /* number of cells currently in use */ - trx_undo_inf_t* infos; /* the array of undo infos */ - mem_heap_t* heap; /* memory heap from which allocated */ + ulint n_cells; /*!< number of cells in the array */ + ulint n_used; /*!< number of cells currently in use */ + trx_undo_inf_t* infos; /*!< the array of undo infos */ + mem_heap_t* heap; /*!< memory heap from which allocated */ }; -/* Rollback command node in a query graph */ +/** Rollback node states */ +enum roll_node_state { + ROLL_NODE_SEND = 1, /*!< about to send a rollback signal to + the transaction */ + ROLL_NODE_WAIT /*!< rollback signal sent to the transaction, + waiting for completion */ +}; + +/** Rollback command node in a query graph */ struct roll_node_struct{ - que_common_t common; /* node type: QUE_NODE_ROLLBACK */ - ulint state; /* node execution state */ - ibool partial;/* TRUE if we want a partial rollback */ - trx_savept_t savept; /* savepoint to which to roll back, in the - case of a partial rollback */ + que_common_t common; /*!< node type: QUE_NODE_ROLLBACK */ + enum roll_node_state state; /*!< node execution state */ + ibool partial;/*!< TRUE if we want a partial + rollback */ + trx_savept_t savept; /*!< savepoint to which to + roll back, in the case of a + partial rollback */ }; -/* A savepoint set with SQL's "SAVEPOINT savepoint_id" command */ +/** A savepoint set with SQL's "SAVEPOINT savepoint_id" command */ struct trx_named_savept_struct{ - char* name; /* savepoint name */ - trx_savept_t savept; /* the undo number corresponding to + char* name; /*!< savepoint name */ + trx_savept_t savept; /*!< the undo number corresponding to the savepoint */ ib_int64_t mysql_binlog_cache_pos; - /* the MySQL binlog cache position + /*!< the MySQL binlog cache position corresponding to this savepoint, not defined if the MySQL binlogging is not enabled */ UT_LIST_NODE_T(trx_named_savept_t) - trx_savepoints; /* the list of savepoints of a + trx_savepoints; /*!< the list of savepoints of a transaction */ }; -/* Rollback node states */ -#define ROLL_NODE_SEND 1 -#define ROLL_NODE_WAIT 2 - #ifndef UNIV_NONINL #include "trx0roll.ic" #endif diff --git a/include/trx0roll.ic b/include/trx0roll.ic index 27e5ce8931d..3460832b18c 100644 --- a/include/trx0roll.ic +++ b/include/trx0roll.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0roll.ic Transaction rollback Created 3/26/1996 Heikki Tuuri *******************************************************/ -/*********************************************************************** +/*******************************************************************//** Returns pointer to nth element in an undo number array. @return pointer to the nth element */ UNIV_INLINE diff --git a/include/trx0rseg.h b/include/trx0rseg.h index deeda6122bb..dbc732651ca 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0rseg.h Rollback segment Created 3/26/1996 Heikki Tuuri @@ -29,7 +30,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0types.h" #include "trx0sys.h" -/********************************************************************** +/******************************************************************//** Gets a rollback segment header. @return rollback segment header, page x-latched */ UNIV_INLINE @@ -41,7 +42,7 @@ trx_rsegf_get( or 0 for uncompressed pages */ ulint page_no, /*!< in: page number of the header */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Gets a newly created rollback segment header. @return rollback segment header, page x-latched */ UNIV_INLINE @@ -53,7 +54,7 @@ trx_rsegf_get_new( or 0 for uncompressed pages */ ulint page_no, /*!< in: page number of the header */ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************* +/***************************************************************//** Gets the file page number of the nth undo log slot. @return page number of the undo log segment */ UNIV_INLINE @@ -63,7 +64,7 @@ trx_rsegf_get_nth_undo( trx_rsegf_t* rsegf, /*!< in: rollback segment header */ ulint n, /*!< in: index of slot */ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************* +/***************************************************************//** Sets the file page number of the nth undo log slot. */ UNIV_INLINE void @@ -73,7 +74,7 @@ trx_rsegf_set_nth_undo( ulint n, /*!< in: index of slot */ ulint page_no,/*!< in: page number of the undo log segment */ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************** +/****************************************************************//** Looks for a free slot for an undo log segment. @return slot index or ULINT_UNDEFINED if not found */ UNIV_INLINE @@ -82,7 +83,7 @@ trx_rsegf_undo_find_free( /*=====================*/ trx_rsegf_t* rsegf, /*!< in: rollback segment header */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Looks for a rollback segment, based on the rollback segment id. @return rollback segment */ UNIV_INTERN @@ -90,7 +91,7 @@ trx_rseg_t* trx_rseg_get_on_id( /*===============*/ ulint id); /*!< in: rollback segment id */ -/******************************************************************** +/****************************************************************//** Creates a rollback segment header. This function is called only when a new rollback segment is created in the database. @return page number of the created segment, FIL_NULL if fail */ @@ -104,7 +105,7 @@ trx_rseg_header_create( ulint max_size, /*!< in: max size in pages */ ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************* +/*********************************************************************//** Creates the memory copies for rollback segments and initializes the rseg list and array in trx_sys at a database startup. */ UNIV_INTERN @@ -113,7 +114,7 @@ trx_rseg_list_and_array_init( /*=========================*/ trx_sysf_t* sys_header, /*!< in: trx system header */ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************** +/****************************************************************//** Creates a new rollback segment to the database. @return the created segment object, NULL if fail */ UNIV_INTERN @@ -135,13 +136,13 @@ trx_rseg_create( /* The rollback segment memory object */ struct trx_rseg_struct{ /*--------------------------------------------------------*/ - ulint id; /* rollback segment id == the index of + ulint id; /*!< rollback segment id == the index of its slot in the trx system file copy */ - mutex_t mutex; /* mutex protecting the fields in this + mutex_t mutex; /*!< mutex protecting the fields in this struct except id; NOTE that the latching order must always be kernel mutex -> rseg mutex */ - ulint space; /* space where the rollback segment is + ulint space; /*!< space where the rollback segment is header is placed */ ulint zip_size;/* compressed page size of space in bytes, or 0 for uncompressed spaces */ @@ -164,14 +165,14 @@ struct trx_rseg_struct{ /* List of insert undo log segments cached for fast reuse */ /*--------------------------------------------------------*/ - ulint last_page_no; /* Page number of the last not yet + ulint last_page_no; /*!< Page number of the last not yet purged log header in the history list; FIL_NULL if all list purged */ - ulint last_offset; /* Byte offset of the last not yet + ulint last_offset; /*!< Byte offset of the last not yet purged log header */ - trx_id_t last_trx_no; /* Transaction number of the last not + trx_id_t last_trx_no; /*!< Transaction number of the last not yet purged log */ - ibool last_del_marks; /* TRUE if the last not yet purged log + ibool last_del_marks; /*!< TRUE if the last not yet purged log needs purging */ /*--------------------------------------------------------*/ UT_LIST_NODE_T(trx_rseg_t) rseg_list; diff --git a/include/trx0rseg.ic b/include/trx0rseg.ic index f052295d14f..f028f62434d 100644 --- a/include/trx0rseg.ic +++ b/include/trx0rseg.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0rseg.ic Rollback segment Created 3/26/1996 Heikki Tuuri @@ -24,7 +25,7 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" -/********************************************************************** +/******************************************************************//** Gets a rollback segment header. @return rollback segment header, page x-latched */ UNIV_INLINE @@ -48,7 +49,7 @@ trx_rsegf_get( return(header); } -/********************************************************************** +/******************************************************************//** Gets a newly created rollback segment header. @return rollback segment header, page x-latched */ UNIV_INLINE @@ -72,7 +73,7 @@ trx_rsegf_get_new( return(header); } -/******************************************************************* +/***************************************************************//** Gets the file page number of the nth undo log slot. @return page number of the undo log segment */ UNIV_INLINE @@ -94,7 +95,7 @@ trx_rsegf_get_nth_undo( + n * TRX_RSEG_SLOT_SIZE, MLOG_4BYTES, mtr)); } -/******************************************************************* +/***************************************************************//** Sets the file page number of the nth undo log slot. */ UNIV_INLINE void @@ -116,7 +117,7 @@ trx_rsegf_set_nth_undo( page_no, MLOG_4BYTES, mtr); } -/******************************************************************** +/****************************************************************//** Looks for a free slot for an undo log segment. @return slot index or ULINT_UNDEFINED if not found */ UNIV_INLINE diff --git a/include/trx0sys.h b/include/trx0sys.h index 90c23d5588c..6b2c1cb29b6 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0sys.h Transaction system Created 3/26/1996 Heikki Tuuri @@ -42,38 +43,48 @@ Created 3/26/1996 Heikki Tuuri #include "read0types.h" #include "page0types.h" -/* In a MySQL replication slave, in crash recovery we store the master log -file name and position here. We have successfully got the updates to InnoDB -up to this position. If .._pos is -1, it means no crash recovery was needed, -or there was no master log position info inside InnoDB. */ - +/** In a MySQL replication slave, in crash recovery we store the master log +file name and position here. */ +/* @{ */ +/** Master binlog file name */ extern char trx_sys_mysql_master_log_name[]; +/** Master binlog file position. We have successfully got the updates +up to this position. -1 means that no crash recovery was needed, or +there was no master log position info inside InnoDB.*/ extern ib_int64_t trx_sys_mysql_master_log_pos; +/* @} */ -/* If this MySQL server uses binary logging, after InnoDB has been inited +/** If this MySQL server uses binary logging, after InnoDB has been inited and if it has done a crash recovery, we store the binlog file name and position -here. If .._pos is -1, it means there was no binlog position info inside -InnoDB. */ - +here. */ +/* @{ */ +/** Binlog file name */ extern char trx_sys_mysql_bin_log_name[]; +/** Binlog file position, or -1 if unknown */ extern ib_int64_t trx_sys_mysql_bin_log_pos; +/* @} */ -/* The transaction system */ +/** The transaction system */ extern trx_sys_t* trx_sys; -/* Doublewrite system */ +/** Doublewrite system */ extern trx_doublewrite_t* trx_doublewrite; +/** The following is set to TRUE when we are upgrading from pre-4.1 +format data files to the multiple tablespaces format data files */ extern ibool trx_doublewrite_must_reset_space_ids; +/** The following is TRUE when we are using the database in the +post-4.1 format, i.e., we have successfully upgraded, or have created +a new database installation */ extern ibool trx_sys_multiple_tablespace_format; -/******************************************************************** +/****************************************************************//** Creates the doublewrite buffer to a new InnoDB installation. The header of the doublewrite buffer is placed on the trx system header page. */ UNIV_INTERN void trx_sys_create_doublewrite_buf(void); /*================================*/ -/******************************************************************** +/****************************************************************//** At a database startup initializes the doublewrite buffer memory structure if we already have a doublewrite buffer created in the data files. If we are upgrading to an InnoDB version which supports multiple tablespaces, then this @@ -85,22 +96,23 @@ void trx_sys_doublewrite_init_or_restore_pages( /*======================================*/ ibool restore_corrupt_pages); /*!< in: TRUE=restore pages */ -/******************************************************************** +/****************************************************************//** Marks the trx sys header when we have successfully upgraded to the >= 4.1.x multiple tablespace format. */ UNIV_INTERN void trx_sys_mark_upgraded_to_multiple_tablespaces(void); /*===============================================*/ -/******************************************************************** +/****************************************************************//** Determines if a page number is located inside the doublewrite buffer. -@return TRUE if the location is inside the two blocks of the doublewrite buffer */ +@return TRUE if the location is inside the two blocks of the +doublewrite buffer */ UNIV_INTERN ibool trx_doublewrite_page_inside( /*========================*/ ulint page_no); /*!< in: page number */ -/******************************************************************* +/***************************************************************//** Checks if a page address is the trx sys header page. @return TRUE if trx sys header page */ UNIV_INLINE @@ -109,20 +121,20 @@ trx_sys_hdr_page( /*=============*/ ulint space, /*!< in: space */ ulint page_no);/*!< in: page number */ -/********************************************************************* +/*****************************************************************//** Creates and initializes the central memory structures for the transaction system. This is called when the database is started. */ UNIV_INTERN void trx_sys_init_at_db_start(void); /*==========================*/ -/********************************************************************* +/*****************************************************************//** Creates and initializes the transaction system at the database creation. */ UNIV_INTERN void trx_sys_create(void); /*================*/ -/******************************************************************** +/****************************************************************//** Looks for a free slot for a rollback segment in the trx system file copy. @return slot index or ULINT_UNDEFINED if not found */ UNIV_INTERN @@ -130,7 +142,7 @@ ulint trx_sysf_rseg_find_free( /*====================*/ mtr_t* mtr); /*!< in: mtr */ -/******************************************************************* +/***************************************************************//** Gets the pointer in the nth slot of the rseg array. @return pointer to rseg object, NULL if slot not in use */ UNIV_INLINE @@ -139,7 +151,7 @@ trx_sys_get_nth_rseg( /*=================*/ trx_sys_t* sys, /*!< in: trx system */ ulint n); /*!< in: index of slot */ -/******************************************************************* +/***************************************************************//** Sets the pointer in the nth slot of the rseg array. */ UNIV_INLINE void @@ -149,7 +161,7 @@ trx_sys_set_nth_rseg( ulint n, /*!< in: index of slot */ trx_rseg_t* rseg); /*!< in: pointer to rseg object, NULL if slot not in use */ -/************************************************************************** +/**********************************************************************//** Gets a pointer to the transaction system file copy and x-locks its page. @return pointer to system file copy, page x-locked */ UNIV_INLINE @@ -157,7 +169,7 @@ trx_sysf_t* trx_sysf_get( /*=========*/ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Gets the space of the nth rollback segment slot in the trx system file copy. @return space id */ @@ -168,7 +180,7 @@ trx_sysf_rseg_get_space( trx_sysf_t* sys_header, /*!< in: trx sys file copy */ ulint i, /*!< in: slot index == rseg id */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Gets the page number of the nth rollback segment slot in the trx system file copy. @return page number, FIL_NULL if slot unused */ @@ -179,7 +191,7 @@ trx_sysf_rseg_get_page_no( trx_sysf_t* sys_header, /*!< in: trx sys file copy */ ulint i, /*!< in: slot index == rseg id */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Sets the space id of the nth rollback segment slot in the trx system file copy. */ UNIV_INLINE @@ -190,7 +202,7 @@ trx_sysf_rseg_set_space( ulint i, /*!< in: slot index == rseg id */ ulint space, /*!< in: space id */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Sets the page number of the nth rollback segment slot in the trx system file copy. */ UNIV_INLINE @@ -202,14 +214,14 @@ trx_sysf_rseg_set_page_no( ulint page_no, /*!< in: page number, FIL_NULL if the slot is reset to unused */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Allocates a new transaction id. @return new, allocated trx id */ UNIV_INLINE trx_id_t trx_sys_get_new_trx_id(void); /*========================*/ -/********************************************************************* +/*****************************************************************//** Allocates a new transaction number. @return new, allocated trx number */ UNIV_INLINE @@ -217,7 +229,7 @@ trx_id_t trx_sys_get_new_trx_no(void); /*========================*/ #endif /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Writes a trx id to an index page. In case that the id size changes in some future version, this function should be used instead of mach_write_... */ @@ -228,7 +240,7 @@ trx_write_trx_id( byte* ptr, /*!< in: pointer to memory where written */ trx_id_t id); /*!< in: id */ #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of mach_read_... @@ -238,7 +250,7 @@ trx_id_t trx_read_trx_id( /*============*/ const byte* ptr); /*!< in: pointer to memory from where to read */ -/******************************************************************** +/****************************************************************//** Looks for the trx handle with the given id in trx_list. @return the trx handle or NULL if not found */ UNIV_INLINE @@ -246,7 +258,7 @@ trx_t* trx_get_on_id( /*==========*/ trx_id_t trx_id);/*!< in: trx id to search for */ -/******************************************************************** +/****************************************************************//** Returns the minumum trx id in trx list. This is the smallest id for which the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already @@ -256,7 +268,7 @@ UNIV_INLINE trx_id_t trx_list_get_min_trx_id(void); /*=========================*/ -/******************************************************************** +/****************************************************************//** Checks if a transaction with the given id is active. @return TRUE if active */ UNIV_INLINE @@ -264,7 +276,7 @@ ibool trx_is_active( /*==========*/ trx_id_t trx_id);/*!< in: trx id of the transaction */ -/******************************************************************** +/****************************************************************//** Checks that trx is in the trx list. @return TRUE if is in */ UNIV_INTERN @@ -272,7 +284,7 @@ ibool trx_in_trx_list( /*============*/ trx_t* in_trx);/*!< in: trx */ -/********************************************************************* +/*****************************************************************//** Updates the offset information about the end of the MySQL binlog entry which corresponds to the transaction just being committed. In a MySQL replication slave updates the latest master binlog position up to which @@ -286,33 +298,33 @@ trx_sys_update_mysql_binlog_offset( ulint field, /*!< in: offset of the MySQL log info field in the trx sys header */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************* +/*****************************************************************//** Prints to stderr the MySQL binlog offset info in the trx system header if the magic number shows it valid. */ UNIV_INTERN void trx_sys_print_mysql_binlog_offset(void); /*===================================*/ -/********************************************************************* +/*****************************************************************//** Prints to stderr the MySQL master log offset info in the trx system header if the magic number shows it valid. */ UNIV_INTERN void trx_sys_print_mysql_master_log_pos(void); /*====================================*/ -/********************************************************************* +/*****************************************************************//** Initializes the tablespace tag system. */ UNIV_INTERN void trx_sys_file_format_init(void); /*==========================*/ -/********************************************************************* +/*****************************************************************//** Closes the tablespace tag system. */ UNIV_INTERN void trx_sys_file_format_close(void); /*===========================*/ -/************************************************************************ +/********************************************************************//** Tags the system table space with minimum format id if it has not been tagged yet. WARNING: This function is only called during the startup and AFTER the @@ -321,7 +333,7 @@ UNIV_INTERN void trx_sys_file_format_tag_init(void); /*==============================*/ -/********************************************************************* +/*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the name */ UNIV_INTERN @@ -329,7 +341,7 @@ const char* trx_sys_file_format_id_to_name( /*===========================*/ const ulint id); /*!< in: id of the file format */ -/********************************************************************* +/*****************************************************************//** Set the file format id unconditionally except if it's already the same value. @return TRUE if value updated */ @@ -340,14 +352,14 @@ trx_sys_file_format_max_set( ulint format_id, /*!< in: file format id */ const char** name); /*!< out: max file format name or NULL if not needed. */ -/********************************************************************* +/*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the max format name */ UNIV_INTERN const char* trx_sys_file_format_max_get(void); /*=============================*/ -/********************************************************************* +/*****************************************************************//** Check for the max file format tag stored on disk. @return DB_SUCCESS or error code */ UNIV_INTERN @@ -355,7 +367,7 @@ ulint trx_sys_file_format_max_check( /*==========================*/ ulint max_format_id); /*!< in: the max format id to check */ -/************************************************************************ +/********************************************************************//** Update the file format tag in the system tablespace only if the given format id is greater than the known max id. @return TRUE if format_id was bigger than the known max id */ @@ -366,7 +378,7 @@ trx_sys_file_format_max_upgrade( const char** name, /*!< out: max file format name */ ulint format_id); /*!< in: file format identifier */ #else /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Prints to stderr the MySQL binlog info in the system header if the magic number shows it valid. */ UNIV_INTERN @@ -387,154 +399,178 @@ trx_sys_print_mysql_binlog_offset_from_page( /* The offset of the transaction system header on the page */ #define TRX_SYS FSEG_PAGE_DATA -/* Transaction system header */ -/*-------------------------------------------------------------*/ -#define TRX_SYS_TRX_ID_STORE 0 /* the maximum trx id or trx number - modulo TRX_SYS_TRX_ID_UPDATE_MARGIN +/** Transaction system header */ +/*------------------------------------------------------------- @{ */ +#define TRX_SYS_TRX_ID_STORE 0 /*!< the maximum trx id or trx + number modulo + TRX_SYS_TRX_ID_UPDATE_MARGIN written to a file page by any transaction; the assignment of - transaction ids continues from this - number rounded up by .._MARGIN plus - .._MARGIN when the database is + transaction ids continues from + this number rounded up by + TRX_SYS_TRX_ID_UPDATE_MARGIN + plus + TRX_SYS_TRX_ID_UPDATE_MARGIN + when the database is started */ -#define TRX_SYS_FSEG_HEADER 8 /* segment header for the tablespace - segment the trx system is created - into */ +#define TRX_SYS_FSEG_HEADER 8 /*!< segment header for the + tablespace segment the trx + system is created into */ #define TRX_SYS_RSEGS (8 + FSEG_HEADER_SIZE) - /* the start of the array of rollback - segment specification slots */ -/*-------------------------------------------------------------*/ + /*!< the start of the array of + rollback segment specification + slots */ +/*------------------------------------------------------------- @} */ -/* Max number of rollback segments: the number of segment specification slots -in the transaction system array; rollback segment id must fit in one byte, -therefore 256; each slot is currently 8 bytes in size */ +/** Maximum number of rollback segments: the number of segment +specification slots in the transaction system array; rollback segment +id must fit in one byte, therefore 256; each slot is currently 8 bytes +in size */ #define TRX_SYS_N_RSEGS 256 +/** Maximum length of MySQL binlog file name, in bytes. +@see trx_sys_mysql_master_log_name +@see trx_sys_mysql_bin_log_name */ #define TRX_SYS_MYSQL_LOG_NAME_LEN 512 +/** Contents of TRX_SYS_MYSQL_LOG_MAGIC_N_FLD */ #define TRX_SYS_MYSQL_LOG_MAGIC_N 873422344 #if UNIV_PAGE_SIZE < 4096 # error "UNIV_PAGE_SIZE < 4096" #endif -/* The offset of the MySQL replication info in the trx system header; +/** The offset of the MySQL replication info in the trx system header; this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ #define TRX_SYS_MYSQL_MASTER_LOG_INFO (UNIV_PAGE_SIZE - 2000) -/* The offset of the MySQL binlog offset info in the trx system header */ +/** The offset of the MySQL binlog offset info in the trx system header */ #define TRX_SYS_MYSQL_LOG_INFO (UNIV_PAGE_SIZE - 1000) -#define TRX_SYS_MYSQL_LOG_MAGIC_N_FLD 0 /* magic number which shows +#define TRX_SYS_MYSQL_LOG_MAGIC_N_FLD 0 /*!< magic number which is + TRX_SYS_MYSQL_LOG_MAGIC_N if we have valid data in the - MySQL binlog info; the value - is ..._MAGIC_N if yes */ -#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH 4 /* high 4 bytes of the offset + MySQL binlog info */ +#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH 4 /*!< high 4 bytes of the offset within that file */ -#define TRX_SYS_MYSQL_LOG_OFFSET_LOW 8 /* low 4 bytes of the offset +#define TRX_SYS_MYSQL_LOG_OFFSET_LOW 8 /*!< low 4 bytes of the offset within that file */ -#define TRX_SYS_MYSQL_LOG_NAME 12 /* MySQL log file name */ +#define TRX_SYS_MYSQL_LOG_NAME 12 /*!< MySQL log file name */ #ifndef UNIV_HOTBACKUP -/* The offset of the doublewrite buffer header on the trx system header page */ +/** Doublewrite buffer */ +/* @{ */ +/** The offset of the doublewrite buffer header on the trx system header page */ #define TRX_SYS_DOUBLEWRITE (UNIV_PAGE_SIZE - 200) /*-------------------------------------------------------------*/ -#define TRX_SYS_DOUBLEWRITE_FSEG 0 /* fseg header of the fseg +#define TRX_SYS_DOUBLEWRITE_FSEG 0 /*!< fseg header of the fseg containing the doublewrite buffer */ #define TRX_SYS_DOUBLEWRITE_MAGIC FSEG_HEADER_SIZE - /* 4-byte magic number which + /*!< 4-byte magic number which shows if we already have created the doublewrite buffer */ #define TRX_SYS_DOUBLEWRITE_BLOCK1 (4 + FSEG_HEADER_SIZE) - /* page number of the + /*!< page number of the first page in the first sequence of 64 (= FSP_EXTENT_SIZE) consecutive pages in the doublewrite buffer */ #define TRX_SYS_DOUBLEWRITE_BLOCK2 (8 + FSEG_HEADER_SIZE) - /* page number of the + /*!< page number of the first page in the second sequence of 64 consecutive pages in the doublewrite buffer */ -#define TRX_SYS_DOUBLEWRITE_REPEAT 12 /* we repeat the above 3 - numbers so that if the trx - sys header is half-written - to disk, we still may be able - to recover the information */ +#define TRX_SYS_DOUBLEWRITE_REPEAT 12 /*!< we repeat + TRX_SYS_DOUBLEWRITE_MAGIC, + TRX_SYS_DOUBLEWRITE_BLOCK1, + TRX_SYS_DOUBLEWRITE_BLOCK2 + so that if the trx sys + header is half-written + to disk, we still may + be able to recover the + information */ +/** If this is not yet set to TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, +we must reset the doublewrite buffer, because starting from 4.1.x the +space id of a data page is stored into +FIL_PAGE_ARCH_LOG_NO_OR_SPACE_NO. */ #define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED (24 + FSEG_HEADER_SIZE) - /* If this is not yet set to - .._N, we must reset the - doublewrite buffer, because - starting from 4.1.x the space - id of a data page is stored to - FIL_PAGE_ARCH_LOG_NO_OR_SPACE_NO */ + /*-------------------------------------------------------------*/ +/** Contents of TRX_SYS_DOUBLEWRITE_MAGIC */ #define TRX_SYS_DOUBLEWRITE_MAGIC_N 536853855 +/** Contents of TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED */ #define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N 1783657386 - +/** Size of the doublewrite block in pages */ #define TRX_SYS_DOUBLEWRITE_BLOCK_SIZE FSP_EXTENT_SIZE +/* @} */ -/* The offset of the file format tag on the trx system header page */ +/** File format tag */ +/* @{ */ +/** The offset of the file format tag on the trx system header page +(TRX_SYS_PAGE_NO of TRX_SYS_SPACE) */ #define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) -/* We use these random constants to reduce the probability of reading -garbage (from previous versions) that maps to an actual format id. We -use these as bit masks at the time of reading and writing from/to disk. */ +/** Contents of TRX_SYS_FILE_FORMAT_TAG when valid. The file format +identifier is added to this constant. */ #define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL +/** Contents of TRX_SYS_FILE_FORMAT_TAG+4 when valid */ #define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL +/* @} */ -/* Doublewrite control struct */ +/** Doublewrite control struct */ struct trx_doublewrite_struct{ - mutex_t mutex; /* mutex protecting the first_free field and + mutex_t mutex; /*!< mutex protecting the first_free field and write_buf */ - ulint block1; /* the page number of the first + ulint block1; /*!< the page number of the first doublewrite block (64 pages) */ - ulint block2; /* page number of the second block */ - ulint first_free; /* first free position in write_buf measured + ulint block2; /*!< page number of the second block */ + ulint first_free; /*!< first free position in write_buf measured in units of UNIV_PAGE_SIZE */ - byte* write_buf; /* write buffer used in writing to the + byte* write_buf; /*!< write buffer used in writing to the doublewrite buffer, aligned to an address divisible by UNIV_PAGE_SIZE (which is required by Windows aio) */ - byte* write_buf_unaligned; /* pointer to write_buf, but unaligned */ + byte* write_buf_unaligned; + /*!< pointer to write_buf, but unaligned */ buf_page_t** - buf_block_arr; /* array to store pointers to the buffer + buf_block_arr; /*!< array to store pointers to the buffer blocks which have been cached to write_buf */ }; -/* The transaction system central memory data structure; protected by the +/** The transaction system central memory data structure; protected by the kernel mutex */ struct trx_sys_struct{ - trx_id_t max_trx_id; /* The smallest number not yet + trx_id_t max_trx_id; /*!< The smallest number not yet assigned as a transaction id or transaction number */ UT_LIST_BASE_NODE_T(trx_t) trx_list; - /* List of active and committed in + /*!< List of active and committed in memory transactions, sorted on trx id, biggest first */ UT_LIST_BASE_NODE_T(trx_t) mysql_trx_list; - /* List of transactions created + /*!< List of transactions created for MySQL */ UT_LIST_BASE_NODE_T(trx_rseg_t) rseg_list; - /* List of rollback segment objects */ - trx_rseg_t* latest_rseg; /* Latest rollback segment in the + /*!< List of rollback segment + objects */ + trx_rseg_t* latest_rseg; /*!< Latest rollback segment in the round-robin assignment of rollback segments to transactions */ trx_rseg_t* rseg_array[TRX_SYS_N_RSEGS]; - /* Pointer array to rollback segments; - NULL if slot not in use */ - ulint rseg_history_len;/* Length of the TRX_RSEG_HISTORY + /*!< Pointer array to rollback + segments; NULL if slot not in use */ + ulint rseg_history_len;/*!< Length of the TRX_RSEG_HISTORY list (update undo logs for committed transactions), protected by rseg->mutex */ UT_LIST_BASE_NODE_T(read_view_t) view_list; - /* List of read views sorted on trx no, - biggest first */ + /*!< List of read views sorted + on trx no, biggest first */ }; -/* When a trx id which is zero modulo this number (which must be a power of +/** When a trx id which is zero modulo this number (which must be a power of two) is assigned, the field TRX_SYS_TRX_ID_STORE on the transaction system page is updated */ #define TRX_SYS_TRX_ID_WRITE_MARGIN 256 diff --git a/include/trx0sys.ic b/include/trx0sys.ic index a1adf4f30b8..f7196ab4dcd 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0sys.ic Transaction system Created 3/26/1996 Heikki Tuuri @@ -43,14 +44,14 @@ typedef byte trx_sysf_rseg_t; /* Size of a rollback segment specification slot */ #define TRX_SYS_RSEG_SLOT_SIZE 8 -/********************************************************************* +/*****************************************************************//** Writes the value of max_trx_id to the file based trx system header. */ UNIV_INTERN void trx_sys_flush_max_trx_id(void); /*==========================*/ -/******************************************************************* +/***************************************************************//** Checks if a page address is the trx sys header page. @return TRUE if trx sys header page */ UNIV_INLINE @@ -68,7 +69,7 @@ trx_sys_hdr_page( return(FALSE); } -/******************************************************************* +/***************************************************************//** Gets the pointer in the nth slot of the rseg array. @return pointer to rseg object, NULL if slot not in use */ UNIV_INLINE @@ -84,7 +85,7 @@ trx_sys_get_nth_rseg( return(sys->rseg_array[n]); } -/******************************************************************* +/***************************************************************//** Sets the pointer in the nth slot of the rseg array. */ UNIV_INLINE void @@ -100,7 +101,7 @@ trx_sys_set_nth_rseg( sys->rseg_array[n] = rseg; } -/************************************************************************** +/**********************************************************************//** Gets a pointer to the transaction system header and x-latches its page. @return pointer to system header, page x-latched. */ UNIV_INLINE @@ -123,7 +124,7 @@ trx_sysf_get( return(header); } -/********************************************************************* +/*****************************************************************//** Gets the space of the nth rollback segment slot in the trx system file copy. @return space id */ @@ -144,7 +145,7 @@ trx_sysf_rseg_get_space( + TRX_SYS_RSEG_SPACE, MLOG_4BYTES, mtr)); } -/********************************************************************* +/*****************************************************************//** Gets the page number of the nth rollback segment slot in the trx system header. @return page number, FIL_NULL if slot unused */ @@ -165,7 +166,7 @@ trx_sysf_rseg_get_page_no( + TRX_SYS_RSEG_PAGE_NO, MLOG_4BYTES, mtr)); } -/********************************************************************* +/*****************************************************************//** Sets the space id of the nth rollback segment slot in the trx system file copy. */ UNIV_INLINE @@ -188,7 +189,7 @@ trx_sysf_rseg_set_space( MLOG_4BYTES, mtr); } -/********************************************************************* +/*****************************************************************//** Sets the page number of the nth rollback segment slot in the trx system header. */ UNIV_INLINE @@ -213,7 +214,7 @@ trx_sysf_rseg_set_page_no( } #endif /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Writes a trx id to an index page. In case that the id size changes in some future version, this function should be used instead of mach_write_... */ @@ -231,7 +232,7 @@ trx_write_trx_id( } #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Reads a trx id from an index page. In case that the id size changes in some future version, this function should be used instead of mach_read_... @@ -248,7 +249,7 @@ trx_read_trx_id( return(mach_read_from_6(ptr)); } -/******************************************************************** +/****************************************************************//** Looks for the trx handle with the given id in trx_list. @return the trx handle or NULL if not found */ UNIV_INLINE @@ -275,7 +276,7 @@ trx_get_on_id( return(NULL); } -/******************************************************************** +/****************************************************************//** Returns the minumum trx id in trx list. This is the smallest id for which the trx can possibly be active. (But, you must look at the trx->conc_state to find out if the minimum trx id transaction itself is active, or already @@ -300,7 +301,7 @@ trx_list_get_min_trx_id(void) return(trx->id); } -/******************************************************************** +/****************************************************************//** Checks if a transaction with the given id is active. @return TRUE if active */ UNIV_INLINE @@ -338,7 +339,7 @@ trx_is_active( return(FALSE); } -/********************************************************************* +/*****************************************************************//** Allocates a new transaction id. @return new, allocated trx id */ UNIV_INLINE @@ -370,7 +371,7 @@ trx_sys_get_new_trx_id(void) return(id); } -/********************************************************************* +/*****************************************************************//** Allocates a new transaction number. @return new, allocated trx number */ UNIV_INLINE diff --git a/include/trx0trx.h b/include/trx0trx.h index 8794c727027..681feeaec94 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0trx.h The transaction Created 3/26/1996 Heikki Tuuri @@ -37,21 +38,21 @@ Created 3/26/1996 Heikki Tuuri #include "trx0xa.h" #include "ut0vec.h" -/* Dummy session used currently in MySQL interface */ +/** Dummy session used currently in MySQL interface */ extern sess_t* trx_dummy_sess; -/* Number of transactions currently allocated for MySQL: protected by +/** Number of transactions currently allocated for MySQL: protected by the kernel mutex */ extern ulint trx_n_mysql_transactions; -/************************************************************************ +/********************************************************************//** Releases the search latch if trx has reserved it. */ UNIV_INTERN void trx_search_latch_release_if_reserved( /*=================================*/ trx_t* trx); /*!< in: transaction */ -/********************************************************************** +/******************************************************************//** Set detailed error message for the transaction. */ UNIV_INTERN void @@ -59,7 +60,7 @@ trx_set_detailed_error( /*===================*/ trx_t* trx, /*!< in: transaction struct */ const char* msg); /*!< in: detailed error message */ -/***************************************************************** +/*************************************************************//** Set detailed error message for the transaction from a file. Note that the file is rewinded before reading from it. */ UNIV_INTERN @@ -68,7 +69,7 @@ trx_set_detailed_error_from_file( /*=============================*/ trx_t* trx, /*!< in: transaction struct */ FILE* file); /*!< in: file to read message from */ -/******************************************************************** +/****************************************************************//** Retrieves the error_info field from a trx. @return the error info */ UNIV_INLINE @@ -76,7 +77,7 @@ const dict_index_t* trx_get_error_info( /*===============*/ const trx_t* trx); /*!< in: trx object */ -/******************************************************************** +/****************************************************************//** Creates and initializes a transaction object. @return own: the transaction */ UNIV_INTERN @@ -85,42 +86,42 @@ trx_create( /*=======*/ sess_t* sess) /*!< in: session */ __attribute__((nonnull)); -/************************************************************************ +/********************************************************************//** Creates a transaction object for MySQL. @return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_mysql(void); /*========================*/ -/************************************************************************ +/********************************************************************//** Creates a transaction object for background operations by the master thread. @return own: transaction object */ UNIV_INTERN trx_t* trx_allocate_for_background(void); /*=============================*/ -/************************************************************************ +/********************************************************************//** Frees a transaction object. */ UNIV_INTERN void trx_free( /*=====*/ trx_t* trx); /*!< in, own: trx object */ -/************************************************************************ +/********************************************************************//** Frees a transaction object for MySQL. */ UNIV_INTERN void trx_free_for_mysql( /*===============*/ trx_t* trx); /*!< in, own: trx object */ -/************************************************************************ +/********************************************************************//** Frees a transaction object of a background operation of the master thread. */ UNIV_INTERN void trx_free_for_background( /*====================*/ trx_t* trx); /*!< in, own: trx object */ -/******************************************************************** +/****************************************************************//** Creates trx objects for transactions and initializes the trx list of trx_sys at database start. Rollback segment and undo log lists must already exist when this function is called, because the lists of @@ -130,9 +131,10 @@ UNIV_INTERN void trx_lists_init_at_db_start(void); /*============================*/ -/******************************************************************** +/****************************************************************//** Starts a new transaction. -@return TRUE if success, FALSE if the rollback segment could not support this many transactions */ +@return TRUE if success, FALSE if the rollback segment could not +support this many transactions */ UNIV_INTERN ibool trx_start( @@ -141,7 +143,7 @@ trx_start( ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ -/******************************************************************** +/****************************************************************//** Starts a new transaction. @return TRUE */ UNIV_INTERN @@ -152,14 +154,14 @@ trx_start_low( ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED is passed, the system chooses the rollback segment automatically in a round-robin fashion */ -/***************************************************************** +/*************************************************************//** Starts the transaction if it is not yet started. */ UNIV_INLINE void trx_start_if_not_started( /*=====================*/ trx_t* trx); /*!< in: transaction */ -/***************************************************************** +/*************************************************************//** Starts the transaction if it is not yet started. Assumes we have reserved the kernel mutex! */ UNIV_INLINE @@ -167,14 +169,14 @@ void trx_start_if_not_started_low( /*=========================*/ trx_t* trx); /*!< in: transaction */ -/******************************************************************** +/****************************************************************//** Commits a transaction. */ UNIV_INTERN void trx_commit_off_kernel( /*==================*/ trx_t* trx); /*!< in: transaction */ -/******************************************************************** +/****************************************************************//** Cleans up a transaction at database startup. The cleanup is needed if the transaction already got to the middle of a commit when the database crashed, andf we cannot roll it back. */ @@ -183,7 +185,7 @@ void trx_cleanup_at_db_startup( /*======================*/ trx_t* trx); /*!< in: transaction */ -/************************************************************************** +/**********************************************************************//** Does the transaction commit for MySQL. @return DB_SUCCESS or error number */ UNIV_INTERN @@ -191,7 +193,7 @@ ulint trx_commit_for_mysql( /*=================*/ trx_t* trx); /*!< in: trx handle */ -/************************************************************************** +/**********************************************************************//** Does the transaction prepare for MySQL. @return 0 or error number */ UNIV_INTERN @@ -199,7 +201,7 @@ ulint trx_prepare_for_mysql( /*==================*/ trx_t* trx); /*!< in: trx handle */ -/************************************************************************** +/**********************************************************************//** This function is used to find number of prepared transactions and their transaction objects for a recovery. @return number of prepared transactions */ @@ -209,7 +211,7 @@ trx_recover_for_mysql( /*==================*/ XID* xid_list, /*!< in/out: prepared transactions */ ulint len); /*!< in: number of slots in xid_list */ -/*********************************************************************** +/*******************************************************************//** This function is used to find one X/Open XA distributed transaction which is in the prepared state @return trx or NULL */ @@ -218,7 +220,7 @@ trx_t * trx_get_trx_by_xid( /*===============*/ XID* xid); /*!< in: X/Open XA transaction identification */ -/************************************************************************** +/**********************************************************************//** If required, flushes the log to disk if we called trx_commit_for_mysql() with trx->flush_log_later == TRUE. @return 0 or error number */ @@ -227,14 +229,14 @@ ulint trx_commit_complete_for_mysql( /*==========================*/ trx_t* trx); /*!< in: trx handle */ -/************************************************************************** +/**********************************************************************//** Marks the latest SQL statement ended. */ UNIV_INTERN void trx_mark_sql_stat_end( /*==================*/ trx_t* trx); /*!< in: trx handle */ -/************************************************************************ +/********************************************************************//** Assigns a read view for a consistent read query. All the consistent reads within the same transaction will get the same read view, which is created when this function is first called for a new started transaction. @@ -244,7 +246,7 @@ read_view_t* trx_assign_read_view( /*=================*/ trx_t* trx); /*!< in: active transaction */ -/*************************************************************** +/***********************************************************//** The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to the TRX_QUE_RUNNING state and releases query threads which were waiting for a lock in the wait_thrs list. */ @@ -253,7 +255,7 @@ void trx_end_lock_wait( /*==============*/ trx_t* trx); /*!< in: transaction */ -/******************************************************************** +/****************************************************************//** Sends a signal to a trx object. */ UNIV_INTERN void @@ -274,7 +276,7 @@ trx_sig_send( calling function can start running a new query thread; if the parameter is NULL, it is ignored */ -/******************************************************************** +/****************************************************************//** Send the reply message when a signal in the queue of the trx has been handled. */ UNIV_INTERN @@ -287,7 +289,7 @@ trx_sig_reply( a pointer to a NULL pointer, then the calling function can start running a new query thread */ -/******************************************************************** +/****************************************************************//** Removes the signal object from a trx signal queue. */ UNIV_INTERN void @@ -295,7 +297,7 @@ trx_sig_remove( /*===========*/ trx_t* trx, /*!< in: trx handle */ trx_sig_t* sig); /*!< in, own: signal */ -/******************************************************************** +/****************************************************************//** Starts handling of a trx signal. */ UNIV_INTERN void @@ -307,7 +309,7 @@ trx_sig_start_handle( a pointer to a NULL pointer, then the calling function can start running a new query thread */ -/******************************************************************** +/****************************************************************//** Ends signal handling. If the session is in the error state, and trx->graph_before_signal_handling != NULL, returns control to the error handling routine of the graph (currently only returns the control to the @@ -317,7 +319,7 @@ void trx_end_signal_handling( /*====================*/ trx_t* trx); /*!< in: trx */ -/************************************************************************* +/*********************************************************************//** Creates a commit command node struct. @return own: commit node struct */ UNIV_INTERN @@ -325,7 +327,7 @@ commit_node_t* commit_node_create( /*===============*/ mem_heap_t* heap); /*!< in: mem heap where created */ -/*************************************************************** +/***********************************************************//** Performs an execution step for a commit type node in a query graph. @return query thread to run next, or NULL */ UNIV_INTERN @@ -334,7 +336,7 @@ trx_commit_step( /*============*/ que_thr_t* thr); /*!< in: query thread */ -/************************************************************************** +/**********************************************************************//** Prints info about a transaction to the given file. The caller must own the kernel mutex and must have called innobase_mysql_prepare_print_arbitrary_thd(), unless he knows that MySQL @@ -363,7 +365,7 @@ enum trx_dict_op { TRX_DICT_OP_INDEX = 2 }; -/************************************************************************** +/**********************************************************************//** Determine if a transaction is a dictionary operation. @return dictionary operation mode */ UNIV_INLINE @@ -372,7 +374,7 @@ trx_get_dict_operation( /*===================*/ const trx_t* trx) /*!< in: transaction */ __attribute__((pure)); -/************************************************************************** +/**********************************************************************//** Flag a transaction a dictionary operation. */ UNIV_INLINE void @@ -383,7 +385,7 @@ trx_set_dict_operation( TRX_DICT_OP_NONE */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Determines if the currently running transaction has been interrupted. @return TRUE if interrupted */ UNIV_INTERN @@ -395,15 +397,15 @@ trx_is_interrupted( #define trx_is_interrupted(trx) FALSE #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Calculates the "weight" of a transaction. The weight of one transaction is estimated as the number of altered rows + the number of locked rows. - */ - +@param t transaction +@return transaction weight */ #define TRX_WEIGHT(t) \ ut_dulint_add((t)->undo_no, UT_LIST_GET_LEN((t)->trx_locks)) -/*********************************************************************** +/*******************************************************************//** Compares the "weight" (or size) of two transactions. Transactions that have edited non-transactional tables are considered heavier than ones that have not. @@ -415,7 +417,7 @@ trx_weight_cmp( const trx_t* a, /*!< in: the first transaction to be compared */ const trx_t* b); /*!< in: the second transaction to be compared */ -/*********************************************************************** +/*******************************************************************//** Retrieves transacion's id, represented as unsigned long long. @return transaction's id */ UNIV_INLINE @@ -428,7 +430,7 @@ trx_get_id( trx_get_que_state_str(). */ #define TRX_QUE_STATE_STR_MAX_LEN 12 /* "ROLLING BACK" */ -/*********************************************************************** +/*******************************************************************//** Retrieves transaction's que state in a human readable string. The string should not be free()'d or modified. @return string in the data segment */ @@ -440,18 +442,18 @@ trx_get_que_state_str( /* Signal to a transaction */ struct trx_sig_struct{ - unsigned type:3; /* signal type */ - unsigned sender:1; /* TRX_SIG_SELF or + unsigned type:3; /*!< signal type */ + unsigned sender:1; /*!< TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ - que_thr_t* receiver; /* non-NULL if the sender of the signal + que_thr_t* receiver; /*!< non-NULL if the sender of the signal wants reply after the operation induced by the signal is completed */ - trx_savept_t savept; /* possible rollback savepoint */ + trx_savept_t savept; /*!< possible rollback savepoint */ UT_LIST_NODE_T(trx_sig_t) - signals; /* queue of pending signals to the + signals; /*!< queue of pending signals to the transaction */ UT_LIST_NODE_T(trx_sig_t) - reply_signals; /* list of signals for which the sender + reply_signals; /*!< list of signals for which the sender transaction is waiting a reply */ }; @@ -465,17 +467,17 @@ struct trx_struct{ ulint magic_n; /* All the next fields are protected by the kernel mutex, except the undo logs which are protected by undo_mutex */ - const char* op_info; /* English text describing the + const char* op_info; /*!< English text describing the current operation, or an empty string */ - unsigned is_purge:1; /* 0=user transaction, 1=purge */ - unsigned is_recovered:1; /* 0=normal transaction, + unsigned is_purge:1; /*!< 0=user transaction, 1=purge */ + unsigned is_recovered:1; /*!< 0=normal transaction, 1=recovered, must be rolled back */ - unsigned conc_state:2; /* state of the trx from the point + unsigned conc_state:2; /*!< state of the trx from the point of view of concurrency control: TRX_ACTIVE, TRX_COMMITTED_IN_MEMORY, ... */ - unsigned que_state:2; /* valid when conc_state == TRX_ACTIVE: + unsigned que_state:2; /*!< valid when conc_state == TRX_ACTIVE: TRX_QUE_RUNNING, TRX_QUE_LOCK_WAIT, ... */ unsigned isolation_level:2;/* TRX_ISO_REPEATABLE_READ, ... */ @@ -490,7 +492,7 @@ struct trx_struct{ for secondary indexes when we decide if we can use the insert buffer for them, we set this FALSE */ - unsigned support_xa:1; /* normally we do the XA two-phase + unsigned support_xa:1; /*!< normally we do the XA two-phase commit steps, but by setting this to FALSE, one can save CPU time and about 150 bytes in the undo log size as then @@ -508,8 +510,8 @@ struct trx_struct{ in that case we must flush the log in trx_commit_complete_for_mysql() */ unsigned dict_operation:2;/**< @see enum trx_dict_op */ - unsigned duplicates:2; /* TRX_DUP_IGNORE | TRX_DUP_REPLACE */ - unsigned active_trans:2; /* 1 - if a transaction in MySQL + unsigned duplicates:2; /*!< TRX_DUP_IGNORE | TRX_DUP_REPLACE */ + unsigned active_trans:2; /*!< 1 - if a transaction in MySQL is active. 2 - if prepare_commit_mutex was taken */ unsigned has_search_latch:1; @@ -526,21 +528,21 @@ struct trx_struct{ /* 0, RW_S_LATCH, or RW_X_LATCH: the latch mode trx currently holds on dict_operation_lock */ - time_t start_time; /* time the trx object was created + time_t start_time; /*!< time the trx object was created or the state last time became TRX_ACTIVE */ - trx_id_t id; /* transaction id */ - XID xid; /* X/Open XA transaction + trx_id_t id; /*!< transaction id */ + XID xid; /*!< X/Open XA transaction identification to identify a transaction branch */ - trx_id_t no; /* transaction serialization number == + trx_id_t no; /*!< transaction serialization number == max trx id when the transaction is moved to COMMITTED_IN_MEMORY state */ - ib_uint64_t commit_lsn; /* lsn at the time of the commit */ - trx_id_t table_id; /* Table to drop iff dict_operation + ib_uint64_t commit_lsn; /*!< lsn at the time of the commit */ + trx_id_t table_id; /*!< Table to drop iff dict_operation is TRUE, or ut_dulint_zero. */ /*------------------------------*/ - void* mysql_thd; /* MySQL thread handle corresponding + void* mysql_thd; /*!< MySQL thread handle corresponding to this trx, or NULL */ char** mysql_query_str;/* pointer to the field in mysqld_thd which contains the pointer to the @@ -584,48 +586,48 @@ struct trx_struct{ here is > 0, we decrement this by 1 */ /*------------------------------*/ UT_LIST_NODE_T(trx_t) - trx_list; /* list of transactions */ + trx_list; /*!< list of transactions */ UT_LIST_NODE_T(trx_t) - mysql_trx_list; /* list of transactions created for + mysql_trx_list; /*!< list of transactions created for MySQL */ /*------------------------------*/ - ulint error_state; /* 0 if no error, otherwise error + ulint error_state; /*!< 0 if no error, otherwise error number; NOTE That ONLY the thread doing the transaction is allowed to set this field: this is NOT protected by the kernel mutex */ - const dict_index_t*error_info; /* if the error number indicates a + const dict_index_t*error_info; /*!< if the error number indicates a duplicate key error, a pointer to the problematic index is stored here */ - ulint error_key_num; /* if the index creation fails to a + ulint error_key_num; /*!< if the index creation fails to a duplicate key error, a mysql key number of that index is stored here */ - sess_t* sess; /* session of the trx, NULL if none */ - que_t* graph; /* query currently run in the session, + sess_t* sess; /*!< session of the trx, NULL if none */ + que_t* graph; /*!< query currently run in the session, or NULL if none; NOTE that the query belongs to the session, and it can survive over a transaction commit, if it is a stored procedure with a COMMIT WORK statement, for instance */ - ulint n_active_thrs; /* number of active query threads */ + ulint n_active_thrs; /*!< number of active query threads */ que_t* graph_before_signal_handling; /* value of graph when signal handling for this trx started: this is used to return control to the original query graph for error processing */ - trx_sig_t sig; /* one signal object can be allocated + trx_sig_t sig; /*!< one signal object can be allocated in this space, avoiding mem_alloc */ UT_LIST_BASE_NODE_T(trx_sig_t) - signals; /* queue of processed or pending + signals; /*!< queue of processed or pending signals to the trx */ UT_LIST_BASE_NODE_T(trx_sig_t) - reply_signals; /* list of signals sent by the query + reply_signals; /*!< list of signals sent by the query threads of this trx for which a thread is waiting for a reply; if this trx is killed, the reply requests in the list must be canceled */ /*------------------------------*/ - lock_t* wait_lock; /* if trx execution state is + lock_t* wait_lock; /*!< if trx execution state is TRX_QUE_LOCK_WAIT, this points to the lock request, otherwise this is NULL */ @@ -635,21 +637,21 @@ struct trx_struct{ if another transaction chooses this transaction as a victim in deadlock resolution, it sets this to TRUE */ - time_t wait_started; /* lock wait started at this time */ + time_t wait_started; /*!< lock wait started at this time */ UT_LIST_BASE_NODE_T(que_thr_t) - wait_thrs; /* query threads belonging to this + wait_thrs; /*!< query threads belonging to this trx that are in the QUE_THR_LOCK_WAIT state */ - ulint deadlock_mark; /* a mark field used in deadlock + ulint deadlock_mark; /*!< a mark field used in deadlock checking algorithm. This must be in its own machine word, because it can be changed by other threads while holding kernel_mutex. */ /*------------------------------*/ - mem_heap_t* lock_heap; /* memory heap for the locks of the + mem_heap_t* lock_heap; /*!< memory heap for the locks of the transaction */ UT_LIST_BASE_NODE_T(lock_t) - trx_locks; /* locks reserved by the transaction */ + trx_locks; /*!< locks reserved by the transaction */ /*------------------------------*/ mem_heap_t* global_read_view_heap; /* memory heap for the global read @@ -657,7 +659,7 @@ struct trx_struct{ read_view_t* global_read_view; /* consistent read view associated to a transaction or NULL */ - read_view_t* read_view; /* consistent read view used in the + read_view_t* read_view; /*!< consistent read view used in the transaction or NULL, this read view if defined can be normal read view associated to a transaction (i.e. @@ -665,16 +667,16 @@ struct trx_struct{ associated to a cursor */ /*------------------------------*/ UT_LIST_BASE_NODE_T(trx_named_savept_t) - trx_savepoints; /* savepoints set with SAVEPOINT ..., + trx_savepoints; /*!< savepoints set with SAVEPOINT ..., oldest first */ /*------------------------------*/ - mutex_t undo_mutex; /* mutex protecting the fields in this + mutex_t undo_mutex; /*!< mutex protecting the fields in this section (down to undo_no_arr), EXCEPT last_sql_stat_start, which can be accessed only when we know that there cannot be any activity in the undo logs! */ - undo_no_t undo_no; /* next undo log record number to + undo_no_t undo_no; /*!< next undo log record number to assign; since the undo log is private for a transaction, this is a simple ascending sequence @@ -686,22 +688,22 @@ struct trx_struct{ was started: in case of an error, trx is rolled back down to this undo number; see note at undo_mutex! */ - trx_rseg_t* rseg; /* rollback segment assigned to the + trx_rseg_t* rseg; /*!< rollback segment assigned to the transaction, or NULL if not assigned yet */ - trx_undo_t* insert_undo; /* pointer to the insert undo log, or + trx_undo_t* insert_undo; /*!< pointer to the insert undo log, or NULL if no inserts performed yet */ - trx_undo_t* update_undo; /* pointer to the update undo log, or + trx_undo_t* update_undo; /*!< pointer to the update undo log, or NULL if no update performed yet */ - undo_no_t roll_limit; /* least undo number to undo during + undo_no_t roll_limit; /*!< least undo number to undo during a rollback */ - ulint pages_undone; /* number of undo log pages undone + ulint pages_undone; /*!< number of undo log pages undone since the last undo log truncation */ - trx_undo_arr_t* undo_no_arr; /* array of undo numbers of undo log + trx_undo_arr_t* undo_no_arr; /*!< array of undo numbers of undo log records which are currently processed by a rollback operation */ /*------------------------------*/ - ulint n_autoinc_rows; /* no. of AUTO-INC rows required for + ulint n_autoinc_rows; /*!< no. of AUTO-INC rows required for an SQL statement. This is useful for multi-row INSERTs */ ib_vector_t* autoinc_locks; /* AUTOINC locks held by this @@ -710,7 +712,7 @@ struct trx_struct{ vector needs to be freed explicitly when the trx_t instance is desrtoyed */ /*------------------------------*/ - char detailed_error[256]; /* detailed error message for last + char detailed_error[256]; /*!< detailed error message for last error, or empty. */ }; @@ -787,15 +789,21 @@ Multiple flags can be combined with bitwise OR. */ #define TRX_SIG_OTHER_SESS 1 /* sent by another session (which must hold rights to this) */ -/* Commit command node in a query graph */ -struct commit_node_struct{ - que_common_t common; /* node type: QUE_NODE_COMMIT */ - ulint state; /* node execution state */ +/** Commit node states */ +enum commit_node_state { + COMMIT_NODE_SEND = 1, /*!< about to send a commit signal to + the transaction */ + COMMIT_NODE_WAIT /*!< commit signal sent to the transaction, + waiting for completion */ +}; + +/** Commit command node in a query graph */ +struct commit_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_COMMIT */ + enum commit_node_state + state; /*!< node execution state */ }; -/* Commit node states */ -#define COMMIT_NODE_SEND 1 -#define COMMIT_NODE_WAIT 2 #ifndef UNIV_NONINL diff --git a/include/trx0trx.ic b/include/trx0trx.ic index 8dbc66296b2..7332eeece85 100644 --- a/include/trx0trx.ic +++ b/include/trx0trx.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0trx.ic The transaction Created 3/26/1996 Heikki Tuuri *******************************************************/ -/***************************************************************** +/*************************************************************//** Starts the transaction if it is not yet started. */ UNIV_INLINE void @@ -38,7 +39,7 @@ trx_start_if_not_started( } } -/***************************************************************** +/*************************************************************//** Starts the transaction if it is not yet started. Assumes we have reserved the kernel mutex! */ UNIV_INLINE @@ -55,7 +56,7 @@ trx_start_if_not_started_low( } } -/******************************************************************** +/****************************************************************//** Retrieves the error_info field from a trx. @return the error info */ UNIV_INLINE @@ -67,7 +68,7 @@ trx_get_error_info( return(trx->error_info); } -/*********************************************************************** +/*******************************************************************//** Retrieves transacion's id, represented as unsigned long long. @return transaction's id */ UNIV_INLINE @@ -79,7 +80,7 @@ trx_get_id( return((ullint)ut_conv_dulint_to_longlong(trx->id)); } -/*********************************************************************** +/*******************************************************************//** Retrieves transaction's que state in a human readable string. The string should not be free()'d or modified. @return string in the data segment */ @@ -104,7 +105,7 @@ trx_get_que_state_str( } } -/************************************************************************** +/**********************************************************************//** Determine if a transaction is a dictionary operation. @return dictionary operation mode */ UNIV_INLINE @@ -126,7 +127,7 @@ trx_get_dict_operation( #endif /* UNIV_DEBUG */ return((enum trx_dict_op) UNIV_EXPECT(op, TRX_DICT_OP_NONE)); } -/************************************************************************** +/**********************************************************************//** Flag a transaction a dictionary operation. */ UNIV_INLINE void diff --git a/include/trx0types.h b/include/trx0types.h index d210766f360..bc75bb06c8c 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0types.h Transaction system global type definitions Created 3/26/1996 Heikki Tuuri @@ -37,46 +38,71 @@ Created 3/26/1996 Heikki Tuuri the terminating '\0'. */ #define TRX_ID_MAX_LEN 17 -/* Memory objects */ +/** Memory objects */ +/* @{ */ +/** Transaction */ typedef struct trx_struct trx_t; +/** Transaction system */ typedef struct trx_sys_struct trx_sys_t; +/** Doublewrite information */ typedef struct trx_doublewrite_struct trx_doublewrite_t; +/** Signal */ typedef struct trx_sig_struct trx_sig_t; +/** Rollback segment */ typedef struct trx_rseg_struct trx_rseg_t; +/** Transaction undo log */ typedef struct trx_undo_struct trx_undo_t; +/** Array of undo numbers of undo records being rolled back or purged */ typedef struct trx_undo_arr_struct trx_undo_arr_t; +/** A cell of trx_undo_arr_t */ typedef struct trx_undo_inf_struct trx_undo_inf_t; +/** The control structure used in the purge operation */ typedef struct trx_purge_struct trx_purge_t; +/** Rollback command node in a query graph */ typedef struct roll_node_struct roll_node_t; +/** Commit command node in a query graph */ typedef struct commit_node_struct commit_node_t; +/** SAVEPOINT command node in a query graph */ typedef struct trx_named_savept_struct trx_named_savept_t; +/* @} */ -/* Rollback contexts */ +/** Rollback contexts */ enum trx_rb_ctx { - RB_NONE = 0, /* no rollback */ - RB_NORMAL, /* normal rollback */ - RB_RECOVERY, /* rolling back an incomplete transaction, + RB_NONE = 0, /*!< no rollback */ + RB_NORMAL, /*!< normal rollback */ + RB_RECOVERY, /*!< rolling back an incomplete transaction, in crash recovery */ }; +/** Transaction identifier (DB_TRX_ID, DATA_TRX_ID) */ typedef dulint trx_id_t; +/** Rollback pointer (DB_ROLL_PTR, DATA_ROLL_PTR) */ typedef dulint roll_ptr_t; +/** Undo number */ typedef dulint undo_no_t; -/* Transaction savepoint */ +/** Transaction savepoint */ typedef struct trx_savept_struct trx_savept_t; +/** Transaction savepoint */ struct trx_savept_struct{ - undo_no_t least_undo_no; /* least undo number to undo */ + undo_no_t least_undo_no; /*!< least undo number to undo */ }; -/* File objects */ +/** File objects */ +/* @{ */ +/** Transaction system header */ typedef byte trx_sysf_t; +/** Rollback segment header */ typedef byte trx_rsegf_t; +/** Undo segment header */ typedef byte trx_usegf_t; +/** Undo log header */ typedef byte trx_ulogf_t; +/** Undo log page header */ typedef byte trx_upagef_t; -/* Undo log record */ +/** Undo log record */ typedef byte trx_undo_rec_t; +/* @} */ #endif diff --git a/include/trx0undo.h b/include/trx0undo.h index 82e3c97cd34..4db10eaa92e 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0undo.h Transaction undo log Created 3/26/1996 Heikki Tuuri @@ -33,7 +34,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0xa.h" #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Builds a roll pointer. @return roll pointer */ UNIV_INLINE @@ -44,7 +45,7 @@ trx_undo_build_roll_ptr( ulint rseg_id, /*!< in: rollback segment id */ ulint page_no, /*!< in: page number */ ulint offset); /*!< in: offset of the undo entry within page */ -/*************************************************************************** +/***********************************************************************//** Decodes a roll pointer. */ UNIV_INLINE void @@ -56,7 +57,7 @@ trx_undo_decode_roll_ptr( ulint* page_no, /*!< out: page number */ ulint* offset); /*!< out: offset of the undo entry within page */ -/*************************************************************************** +/***********************************************************************//** Returns TRUE if the roll pointer is of the insert type. @return TRUE if insert undo log */ UNIV_INLINE @@ -65,7 +66,7 @@ trx_undo_roll_ptr_is_insert( /*========================*/ roll_ptr_t roll_ptr); /*!< in: roll pointer */ #endif /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Writes a roll ptr to an index page. In case that the size changes in some future version, this function should be used instead of mach_write_... */ @@ -76,7 +77,7 @@ trx_write_roll_ptr( byte* ptr, /*!< in: pointer to memory where written */ roll_ptr_t roll_ptr); /*!< in: roll ptr */ -/********************************************************************* +/*****************************************************************//** Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of mach_read_... @@ -87,7 +88,7 @@ trx_read_roll_ptr( /*==============*/ const byte* ptr); /*!< in: pointer to memory from where to read */ #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Gets an undo log page and x-latches it. @return pointer to page x-latched */ UNIV_INLINE @@ -99,7 +100,7 @@ trx_undo_page_get( or 0 for uncompressed pages */ ulint page_no, /*!< in: page number */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Gets an undo log page and s-latches it. @return pointer to page s-latched */ UNIV_INLINE @@ -111,7 +112,7 @@ trx_undo_page_get_s_latched( or 0 for uncompressed pages */ ulint page_no, /*!< in: page number */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Returns the previous undo record on the page in the specified log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -122,7 +123,7 @@ trx_undo_page_get_prev_rec( trx_undo_rec_t* rec, /*!< in: undo log record */ ulint page_no,/*!< in: undo log header page number */ ulint offset);/*!< in: undo log header offset on page */ -/********************************************************************** +/******************************************************************//** Returns the next undo log record on the page in the specified log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -133,7 +134,7 @@ trx_undo_page_get_next_rec( trx_undo_rec_t* rec, /*!< in: undo log record */ ulint page_no,/*!< in: undo log header page number */ ulint offset);/*!< in: undo log header offset on page */ -/********************************************************************** +/******************************************************************//** Returns the last undo record on the page in the specified undo log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -144,7 +145,7 @@ trx_undo_page_get_last_rec( page_t* undo_page,/*!< in: undo log page */ ulint page_no,/*!< in: undo log header page number */ ulint offset); /*!< in: undo log header offset on page */ -/********************************************************************** +/******************************************************************//** Returns the first undo record on the page in the specified undo log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -155,7 +156,7 @@ trx_undo_page_get_first_rec( page_t* undo_page,/*!< in: undo log page */ ulint page_no,/*!< in: undo log header page number */ ulint offset);/*!< in: undo log header offset on page */ -/*************************************************************************** +/***********************************************************************//** Gets the previous record in an undo log. @return undo log record, the page s-latched, NULL if none */ UNIV_INTERN @@ -166,7 +167,7 @@ trx_undo_get_prev_rec( ulint page_no,/*!< in: undo log header page number */ ulint offset, /*!< in: undo log header offset on page */ mtr_t* mtr); /*!< in: mtr */ -/*************************************************************************** +/***********************************************************************//** Gets the next record in an undo log. @return undo log record, the page s-latched, NULL if none */ UNIV_INTERN @@ -177,7 +178,7 @@ trx_undo_get_next_rec( ulint page_no,/*!< in: undo log header page number */ ulint offset, /*!< in: undo log header offset on page */ mtr_t* mtr); /*!< in: mtr */ -/*************************************************************************** +/***********************************************************************//** Gets the first record in an undo log. @return undo log record, the page latched, NULL if none */ UNIV_INTERN @@ -191,7 +192,7 @@ trx_undo_get_first_rec( ulint offset, /*!< in: undo log header offset on page */ ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************ +/********************************************************************//** Tries to add a page to the undo log segment where the undo log is placed. @return page number if success, else FIL_NULL */ UNIV_INTERN @@ -203,7 +204,7 @@ trx_undo_add_page( mtr_t* mtr); /*!< in: mtr which does not have a latch to any undo log page; the caller must have reserved the rollback segment mutex */ -/*************************************************************************** +/***********************************************************************//** Truncates an undo log from the end. This function is used during a rollback to free space from an undo log. */ UNIV_INTERN @@ -214,7 +215,7 @@ trx_undo_truncate_end( trx_undo_t* undo, /*!< in: undo log */ undo_no_t limit); /*!< in: all undo records with undo number >= this value should be truncated */ -/*************************************************************************** +/***********************************************************************//** Truncates an undo log from the start. This function is used during a purge operation. */ UNIV_INTERN @@ -232,7 +233,7 @@ trx_undo_truncate_start( pages; the header page is not freed, but emptied, if all the records there are < limit */ -/************************************************************************ +/********************************************************************//** Initializes the undo log lists for a rollback segment memory copy. This function is only called when the database is started or a new rollback segment created. @@ -242,17 +243,19 @@ ulint trx_undo_lists_init( /*================*/ trx_rseg_t* rseg); /*!< in: rollback segment memory object */ -/************************************************************************** +/**********************************************************************//** Assigns an undo log for a transaction. A new undo log is created or a cached undo log reused. -@return DB_SUCCESS if undo log assign successful, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ +@return DB_SUCCESS if undo log assign successful, possible error codes +are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE +DB_OUT_OF_MEMORY */ UNIV_INTERN ulint trx_undo_assign_undo( /*=================*/ trx_t* trx, /*!< in: transaction */ ulint type); /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ -/********************************************************************** +/******************************************************************//** Sets the state of the undo log segment at a transaction finish. @return undo log segment header page, x-latched */ UNIV_INTERN @@ -263,7 +266,7 @@ trx_undo_set_state_at_finish( trx_t* trx, /*!< in: transaction */ trx_undo_t* undo, /*!< in: undo log memory copy */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Sets the state of the undo log segment at a transaction prepare. @return undo log segment header page, x-latched */ UNIV_INTERN @@ -274,7 +277,7 @@ trx_undo_set_state_at_prepare( trx_undo_t* undo, /*!< in: undo log memory copy */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** Adds the update undo log header as the first in the history list, and frees the memory object, or puts it to the list of cached update undo log segments. */ @@ -286,7 +289,7 @@ trx_undo_update_cleanup( page_t* undo_page, /*!< in: update undo log header page, x-latched */ mtr_t* mtr); /*!< in: mtr */ -/********************************************************************** +/******************************************************************//** Frees or caches an insert undo log after a transaction commit or rollback. Knowledge of inserts is not needed after a commit or rollback, therefore the data can be discarded. */ @@ -296,7 +299,7 @@ trx_undo_insert_cleanup( /*====================*/ trx_t* trx); /*!< in: transaction handle */ #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page initialization. @return end of log record or NULL */ UNIV_INTERN @@ -307,7 +310,7 @@ trx_undo_parse_page_init( byte* end_ptr,/*!< in: buffer end */ page_t* page, /*!< in: page or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page header create or reuse. @return end of log record or NULL */ UNIV_INTERN @@ -319,7 +322,7 @@ trx_undo_parse_page_header( byte* end_ptr,/*!< in: buffer end */ page_t* page, /*!< in: page or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page header discard. @return end of log record or NULL */ UNIV_INTERN @@ -349,18 +352,18 @@ trx_undo_parse_discard_latest( prepared transaction */ #ifndef UNIV_HOTBACKUP -/* Transaction undo log memory object; this is protected by the undo_mutex +/** Transaction undo log memory object; this is protected by the undo_mutex in the corresponding transaction object */ struct trx_undo_struct{ /*-----------------------------*/ - ulint id; /* undo log slot number within the + ulint id; /*!< undo log slot number within the rollback segment */ - ulint type; /* TRX_UNDO_INSERT or + ulint type; /*!< TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ - ulint state; /* state of the corresponding undo log + ulint state; /*!< state of the corresponding undo log segment */ - ibool del_marks; /* relevant only in an update undo log: + ibool del_marks; /*!< relevant only in an update undo log: this is TRUE if the transaction may have delete marked records, because of a delete of a row or an update of an @@ -368,68 +371,72 @@ struct trx_undo_struct{ necessary; also TRUE if the transaction has updated an externally stored field */ - trx_id_t trx_id; /* id of the trx assigned to the undo + trx_id_t trx_id; /*!< id of the trx assigned to the undo log */ - XID xid; /* X/Open XA transaction + XID xid; /*!< X/Open XA transaction identification */ - ibool dict_operation; /* TRUE if a dict operation trx */ - dulint table_id; /* if a dict operation, then the table + ibool dict_operation; /*!< TRUE if a dict operation trx */ + dulint table_id; /*!< if a dict operation, then the table id */ - trx_rseg_t* rseg; /* rseg where the undo log belongs */ + trx_rseg_t* rseg; /*!< rseg where the undo log belongs */ /*-----------------------------*/ - ulint space; /* space id where the undo log + ulint space; /*!< space id where the undo log placed */ - ulint zip_size; /* compressed page size of space + ulint zip_size; /*!< compressed page size of space in bytes, or 0 for uncompressed */ - ulint hdr_page_no; /* page number of the header page in + ulint hdr_page_no; /*!< page number of the header page in the undo log */ - ulint hdr_offset; /* header offset of the undo log on the + ulint hdr_offset; /*!< header offset of the undo log on the page */ - ulint last_page_no; /* page number of the last page in the + ulint last_page_no; /*!< page number of the last page in the undo log; this may differ from top_page_no during a rollback */ - ulint size; /* current size in pages */ + ulint size; /*!< current size in pages */ /*-----------------------------*/ - ulint empty; /* TRUE if the stack of undo log + ulint empty; /*!< TRUE if the stack of undo log records is currently empty */ - ulint top_page_no; /* page number where the latest undo + ulint top_page_no; /*!< page number where the latest undo log record was catenated; during rollback the page from which the latest undo record was chosen */ - ulint top_offset; /* offset of the latest undo record, + ulint top_offset; /*!< offset of the latest undo record, i.e., the topmost element in the undo log if we think of it as a stack */ - undo_no_t top_undo_no; /* undo number of the latest record */ - buf_block_t* guess_block; /* guess for the buffer block where + undo_no_t top_undo_no; /*!< undo number of the latest record */ + buf_block_t* guess_block; /*!< guess for the buffer block where the top page might reside */ /*-----------------------------*/ UT_LIST_NODE_T(trx_undo_t) undo_list; - /* undo log objects in the rollback + /*!< undo log objects in the rollback segment are chained into lists */ }; #endif /* !UNIV_HOTBACKUP */ -/* The offset of the undo log page header on pages of the undo log */ +/** The offset of the undo log page header on pages of the undo log */ #define TRX_UNDO_PAGE_HDR FSEG_PAGE_DATA /*-------------------------------------------------------------*/ -/* Transaction undo log page header offsets */ -#define TRX_UNDO_PAGE_TYPE 0 /* TRX_UNDO_INSERT or +/** Transaction undo log page header offsets */ +/* @{ */ +#define TRX_UNDO_PAGE_TYPE 0 /*!< TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ -#define TRX_UNDO_PAGE_START 2 /* Byte offset where the undo log +#define TRX_UNDO_PAGE_START 2 /*!< Byte offset where the undo log records for the LATEST transaction start on this page (remember that in an update undo log, the first page can contain several undo logs) */ -#define TRX_UNDO_PAGE_FREE 4 /* On each page of the undo log this +#define TRX_UNDO_PAGE_FREE 4 /*!< On each page of the undo log this field contains the byte offset of the first free byte on the page */ -#define TRX_UNDO_PAGE_NODE 6 /* The file list node in the chain +#define TRX_UNDO_PAGE_NODE 6 /*!< The file list node in the chain of undo log pages */ /*-------------------------------------------------------------*/ #define TRX_UNDO_PAGE_HDR_SIZE (6 + FLST_NODE_SIZE) + /*!< Size of the transaction undo + log page header, in bytes */ +/* @} */ -/* An update undo segment with just one page can be reused if it has -< this number bytes used; we must leave space at least for one new undo +/** An update undo segment with just one page can be reused if it has +at most this many bytes used; we must leave space at least for one new undo log header on the page */ #define TRX_UNDO_PAGE_REUSE_LIMIT (3 * UNIV_PAGE_SIZE / 4) @@ -443,62 +450,67 @@ allowed to have zero undo records, but if the segment extends to several pages, then all the rest of the pages must contain at least one undo log record. */ -/* The offset of the undo log segment header on the first page of the undo +/** The offset of the undo log segment header on the first page of the undo log segment */ #define TRX_UNDO_SEG_HDR (TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE) +/** Undo log segment header */ +/* @{ */ /*-------------------------------------------------------------*/ -#define TRX_UNDO_STATE 0 /* TRX_UNDO_ACTIVE, ... */ -#define TRX_UNDO_LAST_LOG 2 /* Offset of the last undo log header +#define TRX_UNDO_STATE 0 /*!< TRX_UNDO_ACTIVE, ... */ +#define TRX_UNDO_LAST_LOG 2 /*!< Offset of the last undo log header on the segment header page, 0 if none */ -#define TRX_UNDO_FSEG_HEADER 4 /* Header for the file segment which +#define TRX_UNDO_FSEG_HEADER 4 /*!< Header for the file segment which the undo log segment occupies */ #define TRX_UNDO_PAGE_LIST (4 + FSEG_HEADER_SIZE) - /* Base node for the list of pages in + /*!< Base node for the list of pages in the undo log segment; defined only on the undo log segment's first page */ /*-------------------------------------------------------------*/ -/* Size of the undo log segment header */ +/** Size of the undo log segment header */ #define TRX_UNDO_SEG_HDR_SIZE (4 + FSEG_HEADER_SIZE + FLST_BASE_NODE_SIZE) +/* @} */ -/* The undo log header. There can be several undo log headers on the first +/** The undo log header. There can be several undo log headers on the first page of an update undo log segment. */ +/* @{ */ /*-------------------------------------------------------------*/ -#define TRX_UNDO_TRX_ID 0 /* Transaction id */ -#define TRX_UNDO_TRX_NO 8 /* Transaction number of the +#define TRX_UNDO_TRX_ID 0 /*!< Transaction id */ +#define TRX_UNDO_TRX_NO 8 /*!< Transaction number of the transaction; defined only if the log is in a history list */ -#define TRX_UNDO_DEL_MARKS 16 /* Defined only in an update undo +#define TRX_UNDO_DEL_MARKS 16 /*!< Defined only in an update undo log: TRUE if the transaction may have done delete markings of records, and thus purge is necessary */ -#define TRX_UNDO_LOG_START 18 /* Offset of the first undo log record +#define TRX_UNDO_LOG_START 18 /*!< Offset of the first undo log record of this log on the header page; purge may remove undo log record from the log start, and therefore this is not necessarily the same as this log header end offset */ -#define TRX_UNDO_XID_EXISTS 20 /* TRUE if undo log header includes +#define TRX_UNDO_XID_EXISTS 20 /*!< TRUE if undo log header includes X/Open XA transaction identification XID */ -#define TRX_UNDO_DICT_TRANS 21 /* TRUE if the transaction is a table +#define TRX_UNDO_DICT_TRANS 21 /*!< TRUE if the transaction is a table create, index create, or drop transaction: in recovery the transaction cannot be rolled back in the usual way: a 'rollback' rather means dropping the created or dropped table, if it still exists */ -#define TRX_UNDO_TABLE_ID 22 /* Id of the table if the preceding +#define TRX_UNDO_TABLE_ID 22 /*!< Id of the table if the preceding field is TRUE */ -#define TRX_UNDO_NEXT_LOG 30 /* Offset of the next undo log header +#define TRX_UNDO_NEXT_LOG 30 /*!< Offset of the next undo log header on this page, 0 if none */ -#define TRX_UNDO_PREV_LOG 32 /* Offset of the previous undo log +#define TRX_UNDO_PREV_LOG 32 /*!< Offset of the previous undo log header on this page, 0 if none */ -#define TRX_UNDO_HISTORY_NODE 34 /* If the log is put to the history +#define TRX_UNDO_HISTORY_NODE 34 /*!< If the log is put to the history list, the file list node is here */ /*-------------------------------------------------------------*/ +/** Size of the undo log header without XID information */ #define TRX_UNDO_LOG_OLD_HDR_SIZE (34 + FLST_NODE_SIZE) /* Note: the writing of the undo log old header is coded by a log record @@ -509,15 +521,21 @@ is not needed by the user. The XID wastes about 150 bytes of space in every undo log. In the history list we may have millions of undo logs, which means quite a large overhead. */ -/* X/Open XA Transaction Identification (XID) */ - +/** X/Open XA Transaction Identification (XID) */ +/* @{ */ +/** xid_t::formatID */ #define TRX_UNDO_XA_FORMAT (TRX_UNDO_LOG_OLD_HDR_SIZE) +/** xid_t::gtrid_length */ #define TRX_UNDO_XA_TRID_LEN (TRX_UNDO_XA_FORMAT + 4) +/** xid_t::bqual_length */ #define TRX_UNDO_XA_BQUAL_LEN (TRX_UNDO_XA_TRID_LEN + 4) +/** Distributed transaction identifier data */ #define TRX_UNDO_XA_XID (TRX_UNDO_XA_BQUAL_LEN + 4) /*--------------------------------------------------------------*/ #define TRX_UNDO_LOG_XA_HDR_SIZE (TRX_UNDO_XA_XID + XIDDATASIZE) - /* Total size of the header with the XA XID */ + /*!< Total size of the undo log header + with the XA XID */ +/* @} */ #ifndef UNIV_NONINL #include "trx0undo.ic" diff --git a/include/trx0undo.ic b/include/trx0undo.ic index 0c519ccef23..2d289b34ef1 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/trx0undo.ic Transaction undo log Created 3/26/1996 Heikki Tuuri @@ -26,7 +27,7 @@ Created 3/26/1996 Heikki Tuuri #include "page0page.h" #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Builds a roll pointer. @return roll pointer */ UNIV_INLINE @@ -50,7 +51,7 @@ trx_undo_build_roll_ptr( + offset)); } -/*************************************************************************** +/***********************************************************************//** Decodes a roll pointer. */ UNIV_INLINE void @@ -83,7 +84,7 @@ trx_undo_decode_roll_ptr( + (low / 256) / 256; } -/*************************************************************************** +/***********************************************************************//** Returns TRUE if the roll pointer is of the insert type. @return TRUE if insert undo log */ UNIV_INLINE @@ -105,7 +106,7 @@ trx_undo_roll_ptr_is_insert( } #endif /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Writes a roll ptr to an index page. In case that the size changes in some future version, this function should be used instead of mach_write_... */ @@ -123,7 +124,7 @@ trx_write_roll_ptr( mach_write_to_7(ptr, roll_ptr); } -/********************************************************************* +/*****************************************************************//** Reads a roll ptr from an index page. In case that the roll ptr size changes in some future version, this function should be used instead of mach_read_... @@ -141,7 +142,7 @@ trx_read_roll_ptr( } #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Gets an undo log page and x-latches it. @return pointer to page x-latched */ UNIV_INLINE @@ -161,7 +162,7 @@ trx_undo_page_get( return(buf_block_get_frame(block)); } -/********************************************************************** +/******************************************************************//** Gets an undo log page and s-latches it. @return pointer to page s-latched */ UNIV_INLINE @@ -181,7 +182,7 @@ trx_undo_page_get_s_latched( return(buf_block_get_frame(block)); } -/********************************************************************** +/******************************************************************//** Returns the start offset of the undo log records of the specified undo log on the page. @return start offset */ @@ -206,7 +207,7 @@ trx_undo_page_get_start( return(start); } -/********************************************************************** +/******************************************************************//** Returns the end offset of the undo log records of the specified undo log on the page. @return end offset */ @@ -239,7 +240,7 @@ trx_undo_page_get_end( return(end); } -/********************************************************************** +/******************************************************************//** Returns the previous undo record on the page in the specified log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -266,7 +267,7 @@ trx_undo_page_get_prev_rec( return(undo_page + mach_read_from_2(rec - 2)); } -/********************************************************************** +/******************************************************************//** Returns the next undo log record on the page in the specified log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -296,7 +297,7 @@ trx_undo_page_get_next_rec( return(undo_page + next); } -/********************************************************************** +/******************************************************************//** Returns the last undo record on the page in the specified undo log, or NULL if none exists. @return pointer to record, NULL if none */ @@ -322,7 +323,7 @@ trx_undo_page_get_last_rec( return(undo_page + mach_read_from_2(undo_page + end - 2)); } -/********************************************************************** +/******************************************************************//** Returns the first undo record on the page in the specified undo log, or NULL if none exists. @return pointer to record, NULL if none */ diff --git a/include/trx0xa.h b/include/trx0xa.h index 0e040b8d8e5..e0dd8a1af5b 100644 --- a/include/trx0xa.h +++ b/include/trx0xa.h @@ -29,32 +29,41 @@ Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef XIDDATASIZE -#define XIDDATASIZE 128 /* size in bytes */ -#define MAXGTRIDSIZE 64 /* maximum size in bytes of gtrid */ -#define MAXBQUALSIZE 64 /* maximum size in bytes of bqual */ +/** Sizes of transaction identifier */ +#define XIDDATASIZE 128 /*!< maximum size of a transaction + identifier, in bytes */ +#define MAXGTRIDSIZE 64 /*!< maximum size in bytes of gtrid */ +#define MAXBQUALSIZE 64 /*!< maximum size in bytes of bqual */ +/** X/Open XA distributed transaction identifier */ struct xid_t { - long formatID; /* format identifier; -1 + long formatID; /*!< format identifier; -1 means that the XID is null */ - long gtrid_length; /* value from 1 through 64 */ - long bqual_length; /* value from 1 through 64 */ - char data[XIDDATASIZE]; + long gtrid_length; /*!< value from 1 through 64 */ + long bqual_length; /*!< value from 1 through 64 */ + char data[XIDDATASIZE]; /*!< distributed transaction + identifier */ }; +/** X/Open XA distributed transaction identifier */ typedef struct xid_t XID; #endif -#define XA_OK 0 /* normal execution */ -#define XAER_ASYNC -2 /* asynchronous operation already +/** X/Open XA distributed transaction status codes */ +/* @{ */ +#define XA_OK 0 /*!< normal execution */ +#define XAER_ASYNC -2 /*!< asynchronous operation already outstanding */ -#define XAER_RMERR -3 /* a resource manager error occurred in - the transaction branch */ -#define XAER_NOTA -4 /* the XID is not valid */ -#define XAER_INVAL -5 /* invalid arguments were given */ -#define XAER_PROTO -6 /* routine invoked in an improper +#define XAER_RMERR -3 /*!< a resource manager error + occurred in the transaction + branch */ +#define XAER_NOTA -4 /*!< the XID is not valid */ +#define XAER_INVAL -5 /*!< invalid arguments were given */ +#define XAER_PROTO -6 /*!< routine invoked in an improper context */ -#define XAER_RMFAIL -7 /* resource manager unavailable */ -#define XAER_DUPID -8 /* the XID already exists */ -#define XAER_OUTSIDE -9 /* resource manager doing work outside - transaction */ +#define XAER_RMFAIL -7 /*!< resource manager unavailable */ +#define XAER_DUPID -8 /*!< the XID already exists */ +#define XAER_OUTSIDE -9 /*!< resource manager doing + work outside transaction */ +/* @} */ #endif /* ifndef XA_H */ /* * End of xa.h header diff --git a/include/univ.i b/include/univ.i index 62ca52dd876..ac79f7299dd 100644 --- a/include/univ.i +++ b/include/univ.i @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*************************************************************************** +/***********************************************************************//** +@file include/univ.i Version control for database, common definitions, and include files Created 1/20/1994 Heikki Tuuri diff --git a/include/usr0sess.h b/include/usr0sess.h index 1dd5790b7c6..7638a0c69e2 100644 --- a/include/usr0sess.h +++ b/include/usr0sess.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/usr0sess.h Sessions Created 6/25/1996 Heikki Tuuri @@ -35,14 +36,14 @@ Created 6/25/1996 Heikki Tuuri #include "data0data.h" #include "rem0rec.h" -/************************************************************************* +/*********************************************************************//** Opens a session. @return own: session object */ UNIV_INTERN sess_t* sess_open(void); /*============*/ -/************************************************************************* +/*********************************************************************//** Closes a session, freeing the memory occupied by it, if it is in a state where it should be closed. @return TRUE if closed */ @@ -54,14 +55,14 @@ sess_try_close( /* The session handle. All fields are protected by the kernel mutex */ struct sess_struct{ - ulint state; /* state of the session */ - trx_t* trx; /* transaction object permanently + ulint state; /*!< state of the session */ + trx_t* trx; /*!< transaction object permanently assigned for the session: the transaction instance designated by the trx id changes, but the memory structure is preserved */ UT_LIST_BASE_NODE_T(que_t) - graphs; /* query graphs belonging to this + graphs; /*!< query graphs belonging to this session */ }; diff --git a/include/usr0sess.ic b/include/usr0sess.ic index 5eefed382da..35a75d75acc 100644 --- a/include/usr0sess.ic +++ b/include/usr0sess.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/usr0sess.ic Sessions Created 6/25/1996 Heikki Tuuri diff --git a/include/usr0types.h b/include/usr0types.h index 7f7d12f7bf5..6cc6f015613 100644 --- a/include/usr0types.h +++ b/include/usr0types.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file include/usr0types.h Users and sessions global types Created 6/25/1996 Heikki Tuuri diff --git a/include/ut0byte.h b/include/ut0byte.h index e98f45f301b..a2687e62f08 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/ut0byte.h Utilities for byte operations Created 1/20/1994 Heikki Tuuri @@ -28,24 +29,24 @@ Created 1/20/1994 Heikki Tuuri #include "univ.i" -/* Type definition for a 64-bit unsigned integer, which works also +/** Pair of ulint integers. */ +typedef struct dulint_struct dulint; +/** Type definition for a 64-bit unsigned integer, which works also in 32-bit machines. NOTE! Access the fields only with the accessor functions. This definition appears here only for the compiler to know the size of a dulint. */ - -typedef struct dulint_struct dulint; struct dulint_struct{ - ulint high; /* most significant 32 bits */ - ulint low; /* least significant 32 bits */ + ulint high; /*!< most significant 32 bits */ + ulint low; /*!< least significant 32 bits */ }; -/* Zero value for a dulint */ +/** Zero value for a dulint */ extern const dulint ut_dulint_zero; -/* Maximum value for a dulint */ +/** Maximum value for a dulint */ extern const dulint ut_dulint_max; -/*********************************************************** +/*******************************************************//** Creates a 64-bit dulint out of two ulints. @return created dulint */ UNIV_INLINE @@ -54,7 +55,7 @@ ut_dulint_create( /*=============*/ ulint high, /*!< in: high-order 32 bits */ ulint low); /*!< in: low-order 32 bits */ -/*********************************************************** +/*******************************************************//** Gets the high-order 32 bits of a dulint. @return 32 bits in ulint */ UNIV_INLINE @@ -62,7 +63,7 @@ ulint ut_dulint_get_high( /*===============*/ dulint d); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Gets the low-order 32 bits of a dulint. @return 32 bits in ulint */ UNIV_INLINE @@ -70,7 +71,7 @@ ulint ut_dulint_get_low( /*==============*/ dulint d); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit integer type. @return value in ib_int64_t type */ @@ -79,7 +80,7 @@ ib_int64_t ut_conv_dulint_to_longlong( /*=======================*/ dulint d); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Tests if a dulint is zero. @return TRUE if zero */ UNIV_INLINE @@ -87,7 +88,7 @@ ibool ut_dulint_is_zero( /*==============*/ dulint a); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Compares two dulints. @return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE @@ -96,7 +97,7 @@ ut_dulint_cmp( /*==========*/ dulint a, /*!< in: dulint */ dulint b); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Calculates the max of two dulints. @return max(a, b) */ UNIV_INLINE @@ -105,7 +106,7 @@ ut_dulint_get_max( /*==============*/ dulint a, /*!< in: dulint */ dulint b); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Calculates the min of two dulints. @return min(a, b) */ UNIV_INLINE @@ -114,7 +115,7 @@ ut_dulint_get_min( /*==============*/ dulint a, /*!< in: dulint */ dulint b); /*!< in: dulint */ -/*********************************************************** +/*******************************************************//** Adds a ulint to a dulint. @return sum a + b */ UNIV_INLINE @@ -123,7 +124,7 @@ ut_dulint_add( /*==========*/ dulint a, /*!< in: dulint */ ulint b); /*!< in: ulint */ -/*********************************************************** +/*******************************************************//** Subtracts a ulint from a dulint. @return a - b */ UNIV_INLINE @@ -132,7 +133,7 @@ ut_dulint_subtract( /*===============*/ dulint a, /*!< in: dulint */ ulint b); /*!< in: ulint, b <= a */ -/*********************************************************** +/*******************************************************//** Subtracts a dulint from another. NOTE that the difference must be positive and smaller that 4G. @return a - b */ @@ -143,7 +144,7 @@ ut_dulint_minus( dulint a, /*!< in: dulint; NOTE a must be >= b and at most 2 to power 32 - 1 greater */ dulint b); /*!< in: dulint */ -/************************************************************ +/********************************************************//** Rounds a dulint downward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -153,7 +154,7 @@ ut_dulint_align_down( dulint n, /*!< in: number to be rounded */ ulint align_no); /*!< in: align by this number which must be a power of 2 */ -/************************************************************ +/********************************************************//** Rounds a dulint upward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -163,7 +164,7 @@ ut_dulint_align_up( dulint n, /*!< in: number to be rounded */ ulint align_no); /*!< in: align by this number which must be a power of 2 */ -/************************************************************ +/********************************************************//** Rounds a dulint downward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -173,7 +174,7 @@ ut_uint64_align_down( ib_uint64_t n, /*!< in: number to be rounded */ ulint align_no); /*!< in: align by this number which must be a power of 2 */ -/************************************************************ +/********************************************************//** Rounds ib_uint64_t upward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -183,7 +184,7 @@ ut_uint64_align_up( ib_uint64_t n, /*!< in: number to be rounded */ ulint align_no); /*!< in: align by this number which must be a power of 2 */ -/*********************************************************** +/*******************************************************//** Increments a dulint variable by 1. */ #define UT_DULINT_INC(D)\ {\ @@ -194,12 +195,12 @@ Increments a dulint variable by 1. */ (D).low = (D).low + 1;\ }\ } -/*********************************************************** +/*******************************************************//** Tests if two dulints are equal. */ #define UT_DULINT_EQ(D1, D2) (((D1).low == (D2).low)\ && ((D1).high == (D2).high)) #ifdef notdefined -/**************************************************************** +/************************************************************//** Sort function for dulint arrays. */ UNIV_INTERN void @@ -211,7 +212,7 @@ ut_dulint_sort( ulint high); /*!< in: high bound of sort interval, noninclusive */ #endif /* notdefined */ -/************************************************************* +/*********************************************************//** The following function rounds up a pointer to the nearest aligned address. @return aligned pointer */ UNIV_INLINE @@ -220,7 +221,7 @@ ut_align( /*=====*/ void* ptr, /*!< in: pointer */ ulint align_no); /*!< in: align by this number */ -/************************************************************* +/*********************************************************//** The following function rounds down a pointer to the nearest aligned address. @return aligned pointer */ @@ -231,7 +232,7 @@ ut_align_down( const void* ptr, /*!< in: pointer */ ulint align_no) /*!< in: align by this number */ __attribute__((const)); -/************************************************************* +/*********************************************************//** The following function computes the offset of a pointer from the nearest aligned address. @return distance from aligned pointer */ @@ -242,7 +243,7 @@ ut_align_offset( const void* ptr, /*!< in: pointer */ ulint align_no) /*!< in: align by this number */ __attribute__((const)); -/********************************************************************* +/*****************************************************************//** Gets the nth bit of a ulint. @return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ UNIV_INLINE @@ -251,7 +252,7 @@ ut_bit_get_nth( /*===========*/ ulint a, /*!< in: ulint */ ulint n); /*!< in: nth bit requested */ -/********************************************************************* +/*****************************************************************//** Sets the nth bit of a ulint. @return the ulint with the bit set as requested */ UNIV_INLINE diff --git a/include/ut0byte.ic b/include/ut0byte.ic index ade776b7fd8..e3beed65138 100644 --- a/include/ut0byte.ic +++ b/include/ut0byte.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************************** +/**************************************************************//** +@file include/ut0byte.ic Utilities for byte operations Created 5/30/1994 Heikki Tuuri *******************************************************************/ -/*********************************************************** +/*******************************************************//** Creates a 64-bit dulint out of two ulints. @return created dulint */ UNIV_INLINE @@ -43,7 +44,7 @@ ut_dulint_create( return(res); } -/*********************************************************** +/*******************************************************//** Gets the high-order 32 bits of a dulint. @return 32 bits in ulint */ UNIV_INLINE @@ -55,7 +56,7 @@ ut_dulint_get_high( return(d.high); } -/*********************************************************** +/*******************************************************//** Gets the low-order 32 bits of a dulint. @return 32 bits in ulint */ UNIV_INLINE @@ -67,7 +68,7 @@ ut_dulint_get_low( return(d.low); } -/*********************************************************** +/*******************************************************//** Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit integer type. @return value in ib_int64_t type */ @@ -81,7 +82,7 @@ ut_conv_dulint_to_longlong( + (((ib_int64_t)d.high) << 32)); } -/*********************************************************** +/*******************************************************//** Tests if a dulint is zero. @return TRUE if zero */ UNIV_INLINE @@ -98,7 +99,7 @@ ut_dulint_is_zero( return(FALSE); } -/*********************************************************** +/*******************************************************//** Compares two dulints. @return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE @@ -121,7 +122,7 @@ ut_dulint_cmp( } } -/*********************************************************** +/*******************************************************//** Calculates the max of two dulints. @return max(a, b) */ UNIV_INLINE @@ -139,7 +140,7 @@ ut_dulint_get_max( return(b); } -/*********************************************************** +/*******************************************************//** Calculates the min of two dulints. @return min(a, b) */ UNIV_INLINE @@ -157,7 +158,7 @@ ut_dulint_get_min( return(a); } -/*********************************************************** +/*******************************************************//** Adds a ulint to a dulint. @return sum a + b */ UNIV_INLINE @@ -180,7 +181,7 @@ ut_dulint_add( return(a); } -/*********************************************************** +/*******************************************************//** Subtracts a ulint from a dulint. @return a - b */ UNIV_INLINE @@ -207,7 +208,7 @@ ut_dulint_subtract( return(a); } -/*********************************************************** +/*******************************************************//** Subtracts a dulint from another. NOTE that the difference must be positive and smaller that 4G. @return a - b */ @@ -237,7 +238,7 @@ ut_dulint_minus( return(diff); } -/************************************************************ +/********************************************************//** Rounds a dulint downward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -261,7 +262,7 @@ ut_dulint_align_down( return(ut_dulint_create(high, low)); } -/************************************************************ +/********************************************************//** Rounds a dulint upward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -275,7 +276,7 @@ ut_dulint_align_up( return(ut_dulint_align_down(ut_dulint_add(n, align_no - 1), align_no)); } -/************************************************************ +/********************************************************//** Rounds ib_uint64_t downward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -292,7 +293,7 @@ ut_uint64_align_down( return(n & ~((ib_uint64_t) align_no - 1)); } -/************************************************************ +/********************************************************//** Rounds ib_uint64_t upward to a multiple of a power of 2. @return rounded value */ UNIV_INLINE @@ -311,7 +312,7 @@ ut_uint64_align_up( return((n + align_1) & ~align_1); } -/************************************************************* +/*********************************************************//** The following function rounds up a pointer to the nearest aligned address. @return aligned pointer */ UNIV_INLINE @@ -330,7 +331,7 @@ ut_align( return((void*)((((ulint)ptr) + align_no - 1) & ~(align_no - 1))); } -/************************************************************* +/*********************************************************//** The following function rounds down a pointer to the nearest aligned address. @return aligned pointer */ @@ -350,7 +351,7 @@ ut_align_down( return((void*)((((ulint)ptr)) & ~(align_no - 1))); } -/************************************************************* +/*********************************************************//** The following function computes the offset of a pointer from the nearest aligned address. @return distance from aligned pointer */ @@ -370,7 +371,7 @@ ut_align_offset( return(((ulint)ptr) & (align_no - 1)); } -/********************************************************************* +/*****************************************************************//** Gets the nth bit of a ulint. @return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ UNIV_INLINE @@ -387,7 +388,7 @@ ut_bit_get_nth( return(1 & (a >> n)); } -/********************************************************************* +/*****************************************************************//** Sets the nth bit of a ulint. @return the ulint with the bit set as requested */ UNIV_INLINE diff --git a/include/ut0dbg.h b/include/ut0dbg.h index 3c16e2836a7..78b525c38ab 100644 --- a/include/ut0dbg.h +++ b/include/ut0dbg.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************* +/*****************************************************************//** +@file include/ut0dbg.h Debug utilities for Innobase Created 1/30/1994 Heikki Tuuri @@ -30,14 +31,20 @@ Created 1/30/1994 Heikki Tuuri #include "os0thread.h" #if defined(__GNUC__) && (__GNUC__ > 2) +/** Test if an assertion fails. +@param EXPR assertion expression +@return nonzero if EXPR holds, zero if not */ # define UT_DBG_FAIL(EXPR) UNIV_UNLIKELY(!((ulint)(EXPR))) #else -extern ulint ut_dbg_zero; /* This is used to eliminate - compiler warnings */ +/** This is used to eliminate compiler warnings */ +extern ulint ut_dbg_zero; +/** Test if an assertion fails. +@param EXPR assertion expression +@return nonzero if EXPR holds, zero if not */ # define UT_DBG_FAIL(EXPR) !((ulint)(EXPR) + ut_dbg_zero) #endif -/***************************************************************** +/*************************************************************//** Report a failed assertion. */ UNIV_INTERN void @@ -48,8 +55,9 @@ ut_dbg_assertion_failed( ulint line); /*!< in: line number of the assertion */ #ifdef __NETWARE__ -/* Flag for ignoring further assertion failures. -On NetWare, have a graceful exit rather than a segfault to avoid abends. */ +/** Flag for ignoring further assertion failures. This is set to TRUE +when on NetWare there happens an InnoDB assertion failure or other +fatal error condition that requires an immediate shutdown. */ extern ibool panic_shutdown; /* Abort the execution. */ void ut_dbg_panic(void); @@ -64,16 +72,16 @@ void ut_dbg_panic(void); # endif # ifndef UT_DBG_USE_ABORT -/* A null pointer that will be dereferenced to trigger a memory trap */ +/** A null pointer that will be dereferenced to trigger a memory trap */ extern ulint* ut_dbg_null_ptr; # endif # if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/* Flag for indicating that all threads should stop. This will be set -by ut_dbg_assertion_failed(). */ +/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads +will stop at the next ut_a() or ut_ad(). */ extern ibool ut_dbg_stop_threads; -/***************************************************************** +/*************************************************************//** Stop a thread after assertion failure. */ UNIV_INTERN void @@ -84,15 +92,15 @@ ut_dbg_stop_thread( # endif # ifdef UT_DBG_USE_ABORT -/* Abort the execution. */ +/** Abort the execution. */ # define UT_DBG_PANIC abort() -/* Stop threads (null operation) */ +/** Stop threads (null operation) */ # define UT_DBG_STOP do {} while (0) # else /* UT_DBG_USE_ABORT */ -/* Abort the execution. */ +/** Abort the execution. */ # define UT_DBG_PANIC \ if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL -/* Stop threads in ut_a(). */ +/** Stop threads in ut_a(). */ # define UT_DBG_STOP do \ if (UNIV_UNLIKELY(ut_dbg_stop_threads)) { \ ut_dbg_stop_thread(__FILE__, (ulint) __LINE__); \ @@ -100,7 +108,8 @@ ut_dbg_stop_thread( # endif /* UT_DBG_USE_ABORT */ #endif /* __NETWARE__ */ -/* Abort execution if EXPR does not evaluate to nonzero. */ +/** Abort execution if EXPR does not evaluate to nonzero. +@param EXPR assertion expression that should hold */ #define ut_a(EXPR) do { \ if (UT_DBG_FAIL(EXPR)) { \ ut_dbg_assertion_failed(#EXPR, \ @@ -110,20 +119,26 @@ ut_dbg_stop_thread( UT_DBG_STOP; \ } while (0) -/* Abort execution. */ +/** Abort execution. */ #define ut_error do { \ ut_dbg_assertion_failed(0, __FILE__, (ulint) __LINE__); \ UT_DBG_PANIC; \ } while (0) #ifdef UNIV_DEBUG +/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ #define ut_ad(EXPR) ut_a(EXPR) +/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ #define ut_d(EXPR) do {EXPR;} while (0) #else +/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ #define ut_ad(EXPR) +/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ #define ut_d(EXPR) #endif +/** Silence warnings about an unused variable by doing a null assignment. +@param A the unused variable */ #define UT_NOT_USED(A) A = A #ifdef UNIV_COMPILE_TEST_FUNCS @@ -132,13 +147,13 @@ ut_dbg_stop_thread( #include #include -/* structure used for recording usage statistics */ +/** structure used for recording usage statistics */ typedef struct speedo_struct { - struct rusage ru; - struct timeval tv; + struct rusage ru; /*!< getrusage() result */ + struct timeval tv; /*!< gettimeofday() result */ } speedo_t; -/*********************************************************************** +/*******************************************************************//** Resets a speedo (records the current time in it). */ UNIV_INTERN void @@ -146,7 +161,7 @@ speedo_reset( /*=========*/ speedo_t* speedo); /*!< out: speedo */ -/*********************************************************************** +/*******************************************************************//** Shows the time elapsed and usage statistics since the last reset of a speedo. */ UNIV_INTERN diff --git a/include/ut0list.h b/include/ut0list.h index 8d85e6b2600..ec67f4e2a0f 100644 --- a/include/ut0list.h +++ b/include/ut0list.h @@ -16,7 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/ut0list.h +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/*******************************************************************//** A double-linked list. This differs from the one in ut0lst.h in that in this one, each list node contains a pointer to the data, whereas the one in ut0lst.h uses a strategy where the list pointers are embedded in the data @@ -45,7 +52,7 @@ typedef struct ib_list_struct ib_list_t; typedef struct ib_list_node_struct ib_list_node_t; typedef struct ib_list_helper_struct ib_list_helper_t; -/******************************************************************** +/****************************************************************//** Create a new list using mem_alloc. Lists created with this function must be freed with ib_list_free. @return list */ @@ -55,7 +62,7 @@ ib_list_create(void); /*=================*/ -/******************************************************************** +/****************************************************************//** Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for lists created with this function. @return list */ @@ -65,7 +72,7 @@ ib_list_create_heap( /*================*/ mem_heap_t* heap); /*!< in: memory heap to use */ -/******************************************************************** +/****************************************************************//** Free a list. */ UNIV_INTERN void @@ -73,7 +80,7 @@ ib_list_free( /*=========*/ ib_list_t* list); /*!< in: list */ -/******************************************************************** +/****************************************************************//** Add the data to the start of the list. @return new list node */ UNIV_INTERN @@ -84,7 +91,7 @@ ib_list_add_first( void* data, /*!< in: data */ mem_heap_t* heap); /*!< in: memory heap to use */ -/******************************************************************** +/****************************************************************//** Add the data to the end of the list. @return new list node */ UNIV_INTERN @@ -95,7 +102,7 @@ ib_list_add_last( void* data, /*!< in: data */ mem_heap_t* heap); /*!< in: memory heap to use */ -/******************************************************************** +/****************************************************************//** Add the data after the indicated node. @return new list node */ UNIV_INTERN @@ -108,7 +115,7 @@ ib_list_add_after( void* data, /*!< in: data */ mem_heap_t* heap); /*!< in: memory heap to use */ -/******************************************************************** +/****************************************************************//** Remove the node from the list. */ UNIV_INTERN void @@ -117,7 +124,7 @@ ib_list_remove( ib_list_t* list, /*!< in: list */ ib_list_node_t* node); /*!< in: node to remove */ -/******************************************************************** +/****************************************************************//** Get the first node in the list. @return first node, or NULL */ UNIV_INLINE @@ -126,7 +133,7 @@ ib_list_get_first( /*==============*/ ib_list_t* list); /*!< in: list */ -/******************************************************************** +/****************************************************************//** Get the last node in the list. @return last node, or NULL */ UNIV_INLINE @@ -137,25 +144,25 @@ ib_list_get_last( /* List. */ struct ib_list_struct { - ib_list_node_t* first; /* first node */ - ib_list_node_t* last; /* last node */ - ibool is_heap_list; /* TRUE if this list was + ib_list_node_t* first; /*!< first node */ + ib_list_node_t* last; /*!< last node */ + ibool is_heap_list; /*!< TRUE if this list was allocated through a heap */ }; /* A list node. */ struct ib_list_node_struct { - ib_list_node_t* prev; /* previous node */ - ib_list_node_t* next; /* next node */ - void* data; /* user data */ + ib_list_node_t* prev; /*!< previous node */ + ib_list_node_t* next; /*!< next node */ + void* data; /*!< user data */ }; /* Quite often, the only additional piece of data you need is the per-item memory heap, so we have this generic struct available to use in those cases. */ struct ib_list_helper_struct { - mem_heap_t* heap; /* memory heap */ - void* data; /* user data */ + mem_heap_t* heap; /*!< memory heap */ + void* data; /*!< user data */ }; #ifndef UNIV_NONINL diff --git a/include/ut0list.ic b/include/ut0list.ic index ff26627e00a..eb5c62796e8 100644 --- a/include/ut0list.ic +++ b/include/ut0list.ic @@ -16,7 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************************** +/*******************************************************************//** +@file include/ut0list.ic +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** Get the first node in the list. @return first node, or NULL */ UNIV_INLINE @@ -28,7 +35,7 @@ ib_list_get_first( return(list->first); } -/******************************************************************** +/****************************************************************//** Get the last node in the list. @return last node, or NULL */ UNIV_INLINE diff --git a/include/ut0lst.h b/include/ut0lst.h index cf68b39d190..261d33963dc 100644 --- a/include/ut0lst.h +++ b/include/ut0lst.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/ut0lst.h List utilities Created 9/10/1995 Heikki Tuuri @@ -32,45 +33,46 @@ if a list is used in the database. Note that a single struct may belong to two or more lists, provided that the list are given different names. An example of the usage of the lists can be found in fil0fil.c. */ -/*********************************************************************** +/*******************************************************************//** This macro expands to the unnamed type definition of a struct which acts as the two-way list base node. The base node contains pointers to both ends of the list and a count of nodes in the list (excluding -the base node from the count). TYPE should be the list node type name. */ - +the base node from the count). +@param TYPE the name of the list node data type */ #define UT_LIST_BASE_NODE_T(TYPE)\ struct {\ - ulint count; /* count of nodes in list */\ - TYPE * start; /* pointer to list start, NULL if empty */\ - TYPE * end; /* pointer to list end, NULL if empty */\ + ulint count; /*!< count of nodes in list */\ + TYPE * start; /*!< pointer to list start, NULL if empty */\ + TYPE * end; /*!< pointer to list end, NULL if empty */\ }\ -/*********************************************************************** +/*******************************************************************//** This macro expands to the unnamed type definition of a struct which should be embedded in the nodes of the list, the node type must be a struct. This struct contains the pointers to next and previous nodes in the list. The name of the field in the node struct should be the name given -to the list. TYPE should be the list node type name. Example of usage: - +to the list. +@param TYPE the list node type name */ +/* Example: typedef struct LRU_node_struct LRU_node_t; struct LRU_node_struct { UT_LIST_NODE_T(LRU_node_t) LRU_list; ... } The example implements an LRU list of name LRU_list. Its nodes are of type -LRU_node_t. - */ +LRU_node_t. */ #define UT_LIST_NODE_T(TYPE)\ struct {\ - TYPE * prev; /* pointer to the previous node,\ + TYPE * prev; /*!< pointer to the previous node,\ NULL if start of list */\ - TYPE * next; /* pointer to next node, NULL if end of list */\ + TYPE * next; /*!< pointer to next node, NULL if end of list */\ }\ -/*********************************************************************** -Initializes the base node of a two-way list. */ - +/*******************************************************************//** +Initializes the base node of a two-way list. +@param BASE the list base node +*/ #define UT_LIST_INIT(BASE)\ {\ (BASE).count = 0;\ @@ -78,11 +80,12 @@ Initializes the base node of a two-way list. */ (BASE).end = NULL;\ }\ -/*********************************************************************** +/*******************************************************************//** Adds the node as the first element in a two-way linked list. -BASE has to be the base node (not a pointer to it). N has to be -the pointer to the node to be added to the list. NAME is the list name. */ - +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be added to the list. +*/ #define UT_LIST_ADD_FIRST(NAME, BASE, N)\ {\ ut_ad(N);\ @@ -99,11 +102,12 @@ the pointer to the node to be added to the list. NAME is the list name. */ }\ }\ -/*********************************************************************** +/*******************************************************************//** Adds the node as the last element in a two-way linked list. -BASE has to be the base node (not a pointer to it). N has to be -the pointer to the node to be added to the list. NAME is the list name. */ - +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be added to the list +*/ #define UT_LIST_ADD_LAST(NAME, BASE, N)\ {\ ut_ad(N);\ @@ -120,11 +124,13 @@ the pointer to the node to be added to the list. NAME is the list name. */ }\ }\ -/*********************************************************************** +/*******************************************************************//** Inserts a NODE2 after NODE1 in a list. -BASE has to be the base node (not a pointer to it). NAME is the list -name, NODE1 and NODE2 are pointers to nodes. */ - +@param NAME list name +@param BASE the base node (not a pointer to it) +@param NODE1 pointer to node after which NODE2 is inserted +@param NODE2 pointer to node being inserted after NODE1 +*/ #define UT_LIST_INSERT_AFTER(NAME, BASE, NODE1, NODE2)\ {\ ut_ad(NODE1);\ @@ -142,19 +148,25 @@ name, NODE1 and NODE2 are pointers to nodes. */ }\ }\ -/* Invalidate the pointers in a list node. */ #ifdef UNIV_LIST_DEBUG +/** Invalidate the pointers in a list node. +@param NAME list name +@param N pointer to the node that was removed */ # define UT_LIST_REMOVE_CLEAR(NAME, N) \ ((N)->NAME.prev = (N)->NAME.next = (void*) -1) #else +/** Invalidate the pointers in a list node. +@param NAME list name +@param N pointer to the node that was removed */ # define UT_LIST_REMOVE_CLEAR(NAME, N) while (0) #endif -/*********************************************************************** -Removes a node from a two-way linked list. BASE has to be the base node -(not a pointer to it). N has to be the pointer to the node to be removed -from the list. NAME is the list name. */ - +/*******************************************************************//** +Removes a node from a two-way linked list. +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be removed from the list +*/ #define UT_LIST_REMOVE(NAME, BASE, N) \ do { \ ut_ad(N); \ @@ -173,46 +185,50 @@ do { \ UT_LIST_REMOVE_CLEAR(NAME, N); \ } while (0) -/************************************************************************ -Gets the next node in a two-way list. NAME is the name of the list -and N is pointer to a node. */ - +/********************************************************************//** +Gets the next node in a two-way list. +@param NAME list name +@param N pointer to a node +@return the successor of N in NAME, or NULL */ #define UT_LIST_GET_NEXT(NAME, N)\ (((N)->NAME).next) -/************************************************************************ -Gets the previous node in a two-way list. NAME is the name of the list -and N is pointer to a node. */ - +/********************************************************************//** +Gets the previous node in a two-way list. +@param NAME list name +@param N pointer to a node +@return the predecessor of N in NAME, or NULL */ #define UT_LIST_GET_PREV(NAME, N)\ (((N)->NAME).prev) -/************************************************************************ +/********************************************************************//** Alternative macro to get the number of nodes in a two-way list, i.e., -its length. BASE is the base node (not a pointer to it). */ - +its length. +@param BASE the base node (not a pointer to it). +@return the number of nodes in the list */ #define UT_LIST_GET_LEN(BASE)\ (BASE).count -/************************************************************************ -Gets the first node in a two-way list, or returns NULL, -if the list is empty. BASE is the base node (not a pointer to it). */ - +/********************************************************************//** +Gets the first node in a two-way list. +@param BASE the base node (not a pointer to it) +@return first node, or NULL if the list is empty */ #define UT_LIST_GET_FIRST(BASE)\ (BASE).start -/************************************************************************ -Gets the last node in a two-way list, or returns NULL, -if the list is empty. BASE is the base node (not a pointer to it). */ - +/********************************************************************//** +Gets the last node in a two-way list. +@param BASE the base node (not a pointer to it) +@return last node, or NULL if the list is empty */ #define UT_LIST_GET_LAST(BASE)\ (BASE).end -/************************************************************************ -Checks the consistency of a two-way list. NAME is the name of the list, -TYPE is the node type, BASE is the base node (not a pointer to it), -and ASSERTION is a condition on ut_list_node_313. */ - +/********************************************************************//** +Checks the consistency of a two-way list. +@param NAME the name of the list +@param TYPE node type +@param BASE base node (not a pointer to it) +@param ASSERTION a condition on ut_list_node_313 */ #define UT_LIST_VALIDATE(NAME, TYPE, BASE, ASSERTION) \ do { \ ulint ut_list_i_313; \ diff --git a/include/ut0mem.h b/include/ut0mem.h index b1ae7dbb13f..cf41cba4643 100644 --- a/include/ut0mem.h +++ b/include/ut0mem.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/ut0mem.h Memory primitives Created 5/30/1994 Heikki Tuuri @@ -30,35 +31,53 @@ Created 5/30/1994 Heikki Tuuri #ifndef UNIV_HOTBACKUP # include "os0sync.h" -/* The total amount of memory currently allocated from the operating +/** The total amount of memory currently allocated from the operating system with os_mem_alloc_large() or malloc(). Does not count malloc() if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ extern ulint ut_total_allocated_memory; -/* Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ extern os_fast_mutex_t ut_list_mutex; #endif /* !UNIV_HOTBACKUP */ +/** Wrapper for memcpy(3). Copy memory area when the source and +target are not overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ UNIV_INLINE void* ut_memcpy(void* dest, const void* sour, ulint n); +/** Wrapper for memmove(3). Copy memory area when the source and +target are overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ UNIV_INLINE void* ut_memmove(void* dest, const void* sour, ulint n); +/** Wrapper for memcmp(3). Compare memory areas. +* @param str1 in: first memory block to compare +* @param str2 in: second memory block to compare +* @param n in: number of bytes to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ UNIV_INLINE int ut_memcmp(const void* str1, const void* str2, ulint n); -/************************************************************************** +/**********************************************************************//** Initializes the mem block list at database startup. */ UNIV_INTERN void ut_mem_init(void); /*=============*/ -/************************************************************************** +/**********************************************************************//** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is defined and set_to_zero is TRUE. @return own: allocated memory */ @@ -72,7 +91,7 @@ ut_malloc_low( UNIV_SET_MEM_TO_ZERO is defined */ ibool assert_on_error); /*!< in: if TRUE, we crash mysqld if the memory cannot be allocated */ -/************************************************************************** +/**********************************************************************//** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is defined. @return own: allocated memory */ @@ -82,7 +101,7 @@ ut_malloc( /*======*/ ulint n); /*!< in: number of bytes to allocate */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to stderr a message if fails. @@ -93,7 +112,7 @@ ut_test_malloc( /*===========*/ ulint n); /*!< in: try to allocate this many bytes */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Frees a memory block allocated with ut_malloc. */ UNIV_INTERN void @@ -101,7 +120,7 @@ ut_free( /*====*/ void* ptr); /*!< in, own: memory block */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not use this function because the allocation functions in mem0mem.h are the recommended ones in InnoDB. @@ -132,7 +151,7 @@ ut_realloc( /*=======*/ void* ptr, /*!< in: pointer to old block or NULL */ ulint size); /*!< in: desired size */ -/************************************************************************** +/**********************************************************************//** Frees in shutdown all allocated memory not freed yet. */ UNIV_INTERN void @@ -140,19 +159,31 @@ ut_free_all_mem(void); /*=================*/ #endif /* !UNIV_HOTBACKUP */ +/** Wrapper for strcpy(3). Copy a NUL-terminated string. +* @param dest in: copy to +* @param sour in: copy from +* @return dest */ UNIV_INLINE char* ut_strcpy(char* dest, const char* sour); +/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. +* @param str in: string +* @return length of the string in bytes, excluding the terminating NUL */ UNIV_INLINE ulint ut_strlen(const char* str); +/** Wrapper for strcmp(3). Compare NUL-terminated strings. +* @param str1 in: first string to compare +* @param str2 in: second string to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ UNIV_INLINE int ut_strcmp(const char* str1, const char* str2); -/************************************************************************** +/**********************************************************************//** Copies up to size - 1 characters from the NUL-terminated string src to dst, NUL-terminating the result. Returns strlen(src), so truncation occurred if the return value >= size. @@ -165,7 +196,7 @@ ut_strlcpy( const char* src, /*!< in: source buffer */ ulint size); /*!< in: size of destination buffer */ -/************************************************************************** +/**********************************************************************//** Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last (size - 1) bytes of src, not the first. @return strlen(src) */ @@ -177,7 +208,7 @@ ut_strlcpy_rev( const char* src, /*!< in: source buffer */ ulint size); /*!< in: size of destination buffer */ -/************************************************************************** +/**********************************************************************//** Compute strlen(ut_strcpyq(str, q)). @return length of the string when quoted */ UNIV_INLINE @@ -187,7 +218,7 @@ ut_strlenq( const char* str, /*!< in: null-terminated string */ char q); /*!< in: the quote character */ -/************************************************************************** +/**********************************************************************//** Make a quoted copy of a NUL-terminated string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. See also ut_strlenq() and ut_memcpyq(). @@ -200,7 +231,7 @@ ut_strcpyq( char q, /*!< in: the quote character */ const char* src); /*!< in: null-terminated string */ -/************************************************************************** +/**********************************************************************//** Make a quoted copy of a fixed-length string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. See also ut_strlenq() and ut_strcpyq(). @@ -214,7 +245,7 @@ ut_memcpyq( const char* src, /*!< in: string to be quoted */ ulint len); /*!< in: length of src */ -/************************************************************************** +/**********************************************************************//** Return the number of times s2 occurs in s1. Overlapping instances of s2 are only counted once. @return the number of times s2 occurs in s1 */ @@ -225,7 +256,7 @@ ut_strcount( const char* s1, /*!< in: string to search in */ const char* s2); /*!< in: string to search for */ -/************************************************************************** +/**********************************************************************//** Replace every occurrence of s1 in str with s2. Overlapping instances of s1 are only replaced once. @return own: modified string, must be freed with mem_free() */ @@ -237,11 +268,11 @@ ut_strreplace( const char* s1, /*!< in: string to replace */ const char* s2); /*!< in: string to replace s1 with */ -/************************************************************************** -Converts a raw binary data to a '\0'-terminated hex string. The output is +/**********************************************************************//** +Converts a raw binary data to a NUL-terminated hex string. The output is truncated if there is not enough space in "hex", make sure "hex_size" is at least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the '\0'). +actual number of characters written to "hex" (including the NUL). @return number of chars written */ UNIV_INLINE ulint @@ -252,10 +283,10 @@ ut_raw_to_hex( char* hex, /*!< out: hex string */ ulint hex_size); /*!< in: "hex" size in bytes */ -/*********************************************************************** +/*******************************************************************//** Adds single quotes to the start and end of string and escapes any quotes by doubling them. Returns the number of bytes that were written to "buf" -(including the terminating '\0'). If buf_size is too small then the +(including the terminating NUL). If buf_size is too small then the trailing bytes from "str" are discarded. @return number of bytes that were written */ UNIV_INLINE diff --git a/include/ut0mem.ic b/include/ut0mem.ic index 5555f975623..f36c28f1989 100644 --- a/include/ut0mem.ic +++ b/include/ut0mem.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/ut0mem.ic Memory primitives Created 5/30/1994 Heikki Tuuri @@ -25,6 +26,12 @@ Created 5/30/1994 Heikki Tuuri #include "ut0byte.h" #include "mach0data.h" +/** Wrapper for memcpy(3). Copy memory area when the source and +target are not overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ UNIV_INLINE void* ut_memcpy(void* dest, const void* sour, ulint n) @@ -32,6 +39,12 @@ ut_memcpy(void* dest, const void* sour, ulint n) return(memcpy(dest, sour, n)); } +/** Wrapper for memmove(3). Copy memory area when the source and +target are overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ UNIV_INLINE void* ut_memmove(void* dest, const void* sour, ulint n) @@ -39,6 +52,12 @@ ut_memmove(void* dest, const void* sour, ulint n) return(memmove(dest, sour, n)); } +/** Wrapper for memcmp(3). Compare memory areas. +* @param str1 in: first memory block to compare +* @param str2 in: second memory block to compare +* @param n in: number of bytes to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ UNIV_INLINE int ut_memcmp(const void* str1, const void* str2, ulint n) @@ -46,6 +65,10 @@ ut_memcmp(const void* str1, const void* str2, ulint n) return(memcmp(str1, str2, n)); } +/** Wrapper for strcpy(3). Copy a NUL-terminated string. +* @param dest in: copy to +* @param sour in: copy from +* @return dest */ UNIV_INLINE char* ut_strcpy(char* dest, const char* sour) @@ -53,6 +76,9 @@ ut_strcpy(char* dest, const char* sour) return(strcpy(dest, sour)); } +/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. +* @param str in: string +* @return length of the string in bytes, excluding the terminating NUL */ UNIV_INLINE ulint ut_strlen(const char* str) @@ -60,6 +86,11 @@ ut_strlen(const char* str) return(strlen(str)); } +/** Wrapper for strcmp(3). Compare NUL-terminated strings. +* @param str1 in: first string to compare +* @param str2 in: second string to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ UNIV_INLINE int ut_strcmp(const char* str1, const char* str2) @@ -67,7 +98,7 @@ ut_strcmp(const char* str1, const char* str2) return(strcmp(str1, str2)); } -/************************************************************************** +/**********************************************************************//** Compute strlen(ut_strcpyq(str, q)). @return length of the string when quoted */ UNIV_INLINE @@ -88,11 +119,11 @@ ut_strlenq( return(len); } -/************************************************************************** -Converts a raw binary data to a '\0'-terminated hex string. The output is +/**********************************************************************//** +Converts a raw binary data to a NUL-terminated hex string. The output is truncated if there is not enough space in "hex", make sure "hex_size" is at least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the '\0'). +actual number of characters written to "hex" (including the NUL). @return number of chars written */ UNIV_INLINE ulint @@ -208,10 +239,10 @@ ut_raw_to_hex( return(write_bytes); } -/*********************************************************************** +/*******************************************************************//** Adds single quotes to the start and end of string and escapes any quotes by doubling them. Returns the number of bytes that were written to "buf" -(including the terminating '\0'). If buf_size is too small then the +(including the terminating NUL). If buf_size is too small then the trailing bytes from "str" are discarded. @return number of bytes that were written */ UNIV_INLINE diff --git a/include/ut0rnd.h b/include/ut0rnd.h index 5b3ae99bd32..ce5152e942f 100644 --- a/include/ut0rnd.h +++ b/include/ut0rnd.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/ut0rnd.h Random numbers and hashing Created 1/20/1994 Heikki Tuuri @@ -29,18 +30,18 @@ Created 1/20/1994 Heikki Tuuri #include "ut0byte.h" -/* The 'character code' for end of field or string (used +/** The 'character code' for end of field or string (used in folding records */ #define UT_END_OF_FIELD 257 -/************************************************************ +/********************************************************//** This is used to set the random number seed. */ UNIV_INLINE void ut_rnd_set_seed( /*============*/ ulint seed); /*!< in: seed */ -/************************************************************ +/********************************************************//** The following function generates a series of 'random' ulint integers. @return the next 'random' number */ UNIV_INLINE @@ -48,7 +49,7 @@ ulint ut_rnd_gen_next_ulint( /*==================*/ ulint rnd); /*!< in: the previous random number value */ -/************************************************************* +/*********************************************************//** The following function generates 'random' ulint integers which enumerate the value space (let there be N of them) of ulint integers in a pseudo-random fashion. Note that the same integer is repeated @@ -58,7 +59,7 @@ UNIV_INLINE ulint ut_rnd_gen_ulint(void); /*==================*/ -/************************************************************ +/********************************************************//** Generates a random integer from a given interval. @return the 'random' number */ UNIV_INLINE @@ -67,14 +68,14 @@ ut_rnd_interval( /*============*/ ulint low, /*!< in: low limit; can generate also this value */ ulint high); /*!< in: high limit; can generate also this value */ -/************************************************************* +/*********************************************************//** Generates a random iboolean value. @return the random value */ UNIV_INLINE ibool ut_rnd_gen_ibool(void); /*=================*/ -/*********************************************************** +/*******************************************************//** The following function generates a hash value for a ulint integer to a hash table of size table_size, which should be a prime or some random number to work reliably. @@ -85,7 +86,7 @@ ut_hash_ulint( /*==========*/ ulint key, /*!< in: value to be hashed */ ulint table_size); /*!< in: hash table size */ -/***************************************************************** +/*************************************************************//** Folds a pair of ulints. @return folded value */ UNIV_INLINE @@ -95,7 +96,7 @@ ut_fold_ulint_pair( ulint n1, /*!< in: ulint */ ulint n2) /*!< in: ulint */ __attribute__((const)); -/***************************************************************** +/*************************************************************//** Folds a dulint. @return folded value */ UNIV_INLINE @@ -104,7 +105,7 @@ ut_fold_dulint( /*===========*/ dulint d) /*!< in: dulint */ __attribute__((const)); -/***************************************************************** +/*************************************************************//** Folds a character string ending in the null character. @return folded value */ UNIV_INLINE @@ -113,7 +114,7 @@ ut_fold_string( /*===========*/ const char* str) /*!< in: null-terminated string */ __attribute__((pure)); -/***************************************************************** +/*************************************************************//** Folds a binary string. @return folded value */ UNIV_INLINE @@ -123,7 +124,7 @@ ut_fold_binary( const byte* str, /*!< in: string of bytes */ ulint len) /*!< in: length */ __attribute__((pure)); -/*************************************************************** +/***********************************************************//** Looks for a prime number slightly greater than the given argument. The prime is chosen so that it is not near any power of 2. @return prime */ diff --git a/include/ut0rnd.ic b/include/ut0rnd.ic index 9559bfea939..763469142ec 100644 --- a/include/ut0rnd.ic +++ b/include/ut0rnd.ic @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************************** +/**************************************************************//** +@file include/ut0rnd.ic Random numbers and hashing Created 5/30/1994 Heikki Tuuri @@ -34,9 +35,10 @@ Created 5/30/1994 Heikki Tuuri #define UT_XOR_RND1 187678878 #define UT_XOR_RND2 143537923 +/** Seed value of ut_rnd_gen_ulint() */ extern ulint ut_rnd_ulint_counter; -/************************************************************ +/********************************************************//** This is used to set the random number seed. */ UNIV_INLINE void @@ -47,7 +49,7 @@ ut_rnd_set_seed( ut_rnd_ulint_counter = seed; } -/************************************************************ +/********************************************************//** The following function generates a series of 'random' ulint integers. @return the next 'random' number */ UNIV_INLINE @@ -71,7 +73,7 @@ ut_rnd_gen_next_ulint( return(rnd); } -/************************************************************ +/********************************************************//** The following function generates 'random' ulint integers which enumerate the value space of ulint integers in a pseudo random fashion. Note that the same integer is repeated always after @@ -94,7 +96,7 @@ ut_rnd_gen_ulint(void) return(rnd); } -/************************************************************ +/********************************************************//** Generates a random integer from a given interval. @return the 'random' number */ UNIV_INLINE @@ -118,7 +120,7 @@ ut_rnd_interval( return(low + (rnd % (high - low + 1))); } -/************************************************************* +/*********************************************************//** Generates a random iboolean value. @return the random value */ UNIV_INLINE @@ -138,7 +140,7 @@ ut_rnd_gen_ibool(void) return(FALSE); } -/*********************************************************** +/*******************************************************//** The following function generates a hash value for a ulint integer to a hash table of size table_size, which should be a prime or some random number for the hash table to work reliably. @@ -155,7 +157,7 @@ ut_hash_ulint( return(key % table_size); } -/***************************************************************** +/*************************************************************//** Folds a pair of ulints. @return folded value */ UNIV_INLINE @@ -169,7 +171,7 @@ ut_fold_ulint_pair( ^ UT_HASH_RANDOM_MASK) + n2); } -/***************************************************************** +/*************************************************************//** Folds a dulint. @return folded value */ UNIV_INLINE @@ -182,7 +184,7 @@ ut_fold_dulint( ut_dulint_get_high(d))); } -/***************************************************************** +/*************************************************************//** Folds a character string ending in the null character. @return folded value */ UNIV_INLINE @@ -203,7 +205,7 @@ ut_fold_string( return(fold); } -/***************************************************************** +/*************************************************************//** Folds a binary string. @return folded value */ UNIV_INLINE diff --git a/include/ut0sort.h b/include/ut0sort.h index 5fd5db54832..5c6647dda9e 100644 --- a/include/ut0sort.h +++ b/include/ut0sort.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/ut0sort.h Sort utility Created 11/9/1995 Heikki Tuuri @@ -34,7 +35,7 @@ the macro. The sort algorithm is mergesort which has logarithmic worst case. */ -/*********************************************************************** +/*******************************************************************//** This macro expands to the body of a standard sort function. The sort function uses mergesort and must be defined separately for each type of array. diff --git a/include/ut0ut.h b/include/ut0ut.h index e599019743d..6b3af2c279d 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file include/ut0ut.h Various utilities Created 1/20/1994 Heikki Tuuri @@ -31,15 +32,19 @@ Created 1/20/1994 Heikki Tuuri #include #endif -#define TEMP_INDEX_PREFIX '\377' /* Index name prefix in fast index - creation */ +/** Index name prefix in fast index creation */ +#define TEMP_INDEX_PREFIX '\377' +/** Index name prefix in fast index creation, as a string constant */ +#define TEMP_INDEX_PREFIX_STR "\377" +/** Time stamp */ typedef time_t ib_time_t; -/************************************************************************* +/*********************************************************************//** Delays execution for at most max_wait_us microseconds or returns earlier -if cond becomes true; cond is evaluated every 2 ms. */ - +if cond becomes true. +@param cond in: condition to wait for; evaluated every 2 ms +@param max_wait_us in: maximum delay to wait, in microseconds */ #define UT_WAIT_FOR(cond, max_wait_us) \ do { \ ullint start_us; \ @@ -51,7 +56,7 @@ do { \ } \ } while (0) -/************************************************************ +/********************************************************//** Gets the high 32 bits in a ulint. That is makes a shift >> 32, but since there seem to be compiler bugs in both gcc and Visual C++, we do this by a special conversion. @@ -61,7 +66,7 @@ ulint ut_get_high32( /*==========*/ ulint a); /*!< in: ulint */ -/********************************************************** +/******************************************************//** Calculates the minimum of two ulints. @return minimum */ UNIV_INLINE @@ -70,7 +75,7 @@ ut_min( /*===*/ ulint n1, /*!< in: first number */ ulint n2); /*!< in: second number */ -/********************************************************** +/******************************************************//** Calculates the maximum of two ulints. @return maximum */ UNIV_INLINE @@ -79,7 +84,7 @@ ut_max( /*===*/ ulint n1, /*!< in: first number */ ulint n2); /*!< in: second number */ -/******************************************************************** +/****************************************************************//** Calculates minimum of two ulint-pairs. */ UNIV_INLINE void @@ -91,7 +96,7 @@ ut_pair_min( ulint b1, /*!< in: less significant part of first pair */ ulint a2, /*!< in: more significant part of second pair */ ulint b2); /*!< in: less significant part of second pair */ -/********************************************************** +/******************************************************//** Compares two ulints. @return 1 if a > b, 0 if a == b, -1 if a < b */ UNIV_INLINE @@ -100,7 +105,7 @@ ut_ulint_cmp( /*=========*/ ulint a, /*!< in: ulint */ ulint b); /*!< in: ulint */ -/*********************************************************** +/*******************************************************//** Compares two pairs of ulints. @return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE @@ -111,22 +116,37 @@ ut_pair_cmp( ulint a2, /*!< in: less significant part of first pair */ ulint b1, /*!< in: more significant part of second pair */ ulint b2); /*!< in: less significant part of second pair */ -/***************************************************************** -Determines if a number is zero or a power of two. */ +/*************************************************************//** +Determines if a number is zero or a power of two. +@param n in: number +@return nonzero if n is zero or a power of two; zero otherwise */ #define ut_is_2pow(n) UNIV_LIKELY(!((n) & ((n) - 1))) -/***************************************************************** -Calculates fast the remainder of n/m when m is a power of two. */ +/*************************************************************//** +Calculates fast the remainder of n/m when m is a power of two. +@param n in: numerator +@param m in: denominator, must be a power of two +@return the remainder of n/m */ #define ut_2pow_remainder(n, m) ((n) & ((m) - 1)) -/***************************************************************** +/*************************************************************//** Calculates the biggest multiple of m that is not bigger than n -when m is a power of two. In other words, rounds n down to m * k. */ +when m is a power of two. In other words, rounds n down to m * k. +@param n in: number to round down +@param m in: alignment, must be a power of two +@return n rounded down to the biggest possible integer multiple of m */ #define ut_2pow_round(n, m) ((n) & ~((m) - 1)) +/** Align a number down to a multiple of a power of two. +@param n in: number to round down +@param m in: alignment, must be a power of two +@return n rounded down to the biggest possible integer multiple of m */ #define ut_calc_align_down(n, m) ut_2pow_round(n, m) -/************************************************************ +/********************************************************//** Calculates the smallest multiple of m that is not smaller than n -when m is a power of two. In other words, rounds n up to m * k. */ +when m is a power of two. In other words, rounds n up to m * k. +@param n in: number to round up +@param m in: alignment, must be a power of two +@return n rounded up to the smallest possible integer multiple of m */ #define ut_calc_align(n, m) (((n) + ((m) - 1)) & ~((m) - 1)) -/***************************************************************** +/*************************************************************//** Calculates fast the 2-logarithm of a number, rounded upward to an integer. @return logarithm in the base 2, rounded upward */ @@ -135,7 +155,7 @@ ulint ut_2_log( /*=====*/ ulint n); /*!< in: number */ -/***************************************************************** +/*************************************************************//** Calculates 2 to power n. @return 2 to power n */ UNIV_INLINE @@ -143,7 +163,7 @@ ulint ut_2_exp( /*=====*/ ulint n); /*!< in: number */ -/***************************************************************** +/*************************************************************//** Calculates fast the number rounded up to the nearest power of 2. @return first power of 2 which is >= n */ UNIV_INTERN @@ -153,11 +173,13 @@ ut_2_power_up( ulint n) /*!< in: number != 0 */ __attribute__((const)); -/* Determine how many bytes (groups of 8 bits) are needed to -store the given number of bits. */ +/** Determine how many bytes (groups of 8 bits) are needed to +store the given number of bits. +@param b in: bits +@return number of bytes (octets) needed to represent b */ #define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) -/************************************************************** +/**********************************************************//** Returns system time. We do not specify the format of the time returned: the only way to manipulate it is to use the function ut_difftime. @return system time */ @@ -165,7 +187,7 @@ UNIV_INTERN ib_time_t ut_time(void); /*=========*/ -/************************************************************** +/**********************************************************//** Returns system time. Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the @@ -178,7 +200,7 @@ ut_usectime( ulint* sec, /*!< out: seconds since the Epoch */ ulint* ms); /*!< out: microseconds since the Epoch+*sec */ -/************************************************************** +/**********************************************************//** Returns the number of microseconds since epoch. Similar to time(3), the return value is also stored in *tloc, provided that tloc is non-NULL. @@ -189,7 +211,7 @@ ut_time_us( /*=======*/ ullint* tloc); /*!< out: us since epoch, if non-NULL */ -/************************************************************** +/**********************************************************//** Returns the difference of two times in seconds. @return time2 - time1 expressed in seconds */ UNIV_INTERN @@ -198,14 +220,14 @@ ut_difftime( /*========*/ ib_time_t time2, /*!< in: time */ ib_time_t time1); /*!< in: time */ -/************************************************************** +/**********************************************************//** Prints a timestamp to a file. */ UNIV_INTERN void ut_print_timestamp( /*===============*/ FILE* file); /*!< in: file where to print */ -/************************************************************** +/**********************************************************//** Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ UNIV_INTERN void @@ -213,7 +235,7 @@ ut_sprintf_timestamp( /*=================*/ char* buf); /*!< in: buffer where to sprintf */ #ifdef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Sprintfs a timestamp to a buffer with no spaces and with ':' characters replaced by '_'. */ UNIV_INTERN @@ -221,7 +243,7 @@ void ut_sprintf_timestamp_without_extra_chars( /*=====================================*/ char* buf); /*!< in: buffer where to sprintf */ -/************************************************************** +/**********************************************************//** Returns current year, month, day. */ UNIV_INTERN void @@ -231,7 +253,7 @@ ut_get_year_month_day( ulint* month, /*!< out: month */ ulint* day); /*!< out: day */ #else /* UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Runs an idle loop on CPU. The argument gives the desired delay in microseconds on 100 MHz Pentium + Visual C++. @return dummy value */ @@ -241,7 +263,7 @@ ut_delay( /*=====*/ ulint delay); /*!< in: delay in microseconds on 100 MHz Pentium */ #endif /* UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Prints the contents of a memory buffer in hex and ascii. */ UNIV_INTERN void @@ -251,7 +273,7 @@ ut_print_buf( const void* buf, /*!< in: memory buffer */ ulint len); /*!< in: length of the buffer */ -/************************************************************************** +/**********************************************************************//** Outputs a NUL-terminated file name, quoted with apostrophes. */ UNIV_INTERN void @@ -264,7 +286,7 @@ ut_print_filename( /* Forward declaration of transaction handle */ struct trx_struct; -/************************************************************************** +/**********************************************************************//** Outputs a fixed-length string, quoted as an SQL identifier. If the string contains a slash '/', the string will be output as two identifiers separated by a period (.), @@ -279,7 +301,7 @@ ut_print_name( FALSE=print other identifier */ const char* name); /*!< in: name to print */ -/************************************************************************** +/**********************************************************************//** Outputs a fixed-length string, quoted as an SQL identifier. If the string contains a slash '/', the string will be output as two identifiers separated by a period (.), @@ -295,7 +317,7 @@ ut_print_namel( const char* name, /*!< in: name to print */ ulint namelen);/*!< in: length of name */ -/************************************************************************** +/**********************************************************************//** Catenate files. */ UNIV_INTERN void @@ -306,10 +328,11 @@ ut_copy_file( #endif /* !UNIV_HOTBACKUP */ #ifdef __WIN__ -/************************************************************************** +/**********************************************************************//** A substitute for snprintf(3), formatted output conversion into a limited buffer. -@return number of characters that would have been printed if the size were unlimited, not including the terminating '\0'. */ +@return number of characters that would have been printed if the size +were unlimited, not including the terminating '\0'. */ UNIV_INTERN int ut_snprintf( @@ -319,6 +342,9 @@ ut_snprintf( const char* fmt, /*!< in: format */ ...); /*!< in: format values */ #else +/**********************************************************************//** +A wrapper for snprintf(3), formatted output conversion into +a limited buffer. */ # define ut_snprintf snprintf #endif /* __WIN__ */ diff --git a/include/ut0ut.ic b/include/ut0ut.ic index 5a54691ab87..6f55c7e410e 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -16,13 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************************** +/**************************************************************//** +@file include/ut0ut.ic Various utilities Created 5/30/1994 Heikki Tuuri *******************************************************************/ -/********************************************************** +/******************************************************//** Calculates the minimum of two ulints. @return minimum */ UNIV_INLINE @@ -35,7 +36,7 @@ ut_min( return((n1 <= n2) ? n1 : n2); } -/********************************************************** +/******************************************************//** Calculates the maximum of two ulints. @return maximum */ UNIV_INLINE @@ -48,7 +49,7 @@ ut_max( return((n1 <= n2) ? n2 : n1); } -/******************************************************************** +/****************************************************************//** Calculates minimum of two ulint-pairs. */ UNIV_INLINE void @@ -73,7 +74,7 @@ ut_pair_min( } } -/********************************************************** +/******************************************************//** Compares two ulints. @return 1 if a > b, 0 if a == b, -1 if a < b */ UNIV_INLINE @@ -92,7 +93,7 @@ ut_ulint_cmp( } } -/*********************************************************** +/*******************************************************//** Compares two pairs of ulints. @return -1 if a < b, 0 if a == b, 1 if a > b */ UNIV_INLINE @@ -117,7 +118,7 @@ ut_pair_cmp( } } -/***************************************************************** +/*************************************************************//** Calculates fast the 2-logarithm of a number, rounded upward to an integer. @return logarithm in the base 2, rounded upward */ @@ -148,7 +149,7 @@ ut_2_log( return(res + 1); } -/***************************************************************** +/*************************************************************//** Calculates 2 to power n. @return 2 to power n */ UNIV_INLINE diff --git a/include/ut0vec.h b/include/ut0vec.h index 167c791dc88..a770f671cfc 100644 --- a/include/ut0vec.h +++ b/include/ut0vec.h @@ -16,12 +16,20 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*******************************************************************//** +@file include/ut0vec.h +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + #ifndef IB_VECTOR_H #define IB_VECTOR_H #include "univ.i" #include "mem0mem.h" +/** An automatically resizing vector data type. */ typedef struct ib_vector_struct ib_vector_t; /* An automatically resizing vector datatype with the following properties: @@ -38,7 +46,7 @@ typedef struct ib_vector_struct ib_vector_t; relatively small or short-lived uses. */ -/******************************************************************** +/****************************************************************//** Create a new vector with the given initial size. @return vector */ UNIV_INTERN @@ -48,7 +56,7 @@ ib_vector_create( mem_heap_t* heap, /*!< in: heap */ ulint size); /*!< in: initial size */ -/******************************************************************** +/****************************************************************//** Push a new element to the vector, increasing its size if necessary. */ UNIV_INTERN void @@ -57,7 +65,7 @@ ib_vector_push( ib_vector_t* vec, /*!< in: vector */ void* elem); /*!< in: data element */ -/******************************************************************** +/****************************************************************//** Get the number of elements in the vector. @return number of elements in vector */ UNIV_INLINE @@ -66,7 +74,7 @@ ib_vector_size( /*===========*/ const ib_vector_t* vec); /*!< in: vector */ -/******************************************************************** +/****************************************************************//** Test whether a vector is empty or not. @return TRUE if empty */ UNIV_INLINE @@ -75,7 +83,7 @@ ib_vector_is_empty( /*===============*/ const ib_vector_t* vec); /*!< in: vector */ -/******************************************************************** +/****************************************************************//** Get the n'th element. @return n'th element */ UNIV_INLINE @@ -85,7 +93,7 @@ ib_vector_get( ib_vector_t* vec, /*!< in: vector */ ulint n); /*!< in: element index to get */ -/******************************************************************** +/****************************************************************//** Remove the last element from the vector. */ UNIV_INLINE void* @@ -93,7 +101,7 @@ ib_vector_pop( /*==========*/ ib_vector_t* vec); /*!< in: vector */ -/******************************************************************** +/****************************************************************//** Free the underlying heap of the vector. Note that vec is invalid after this call. */ UNIV_INLINE @@ -102,12 +110,12 @@ ib_vector_free( /*===========*/ ib_vector_t* vec); /*!< in,own: vector */ -/* See comment at beginning of file. */ +/** An automatically resizing vector data type. */ struct ib_vector_struct { - mem_heap_t* heap; /* heap */ - void** data; /* data elements */ - ulint used; /* number of elements currently used */ - ulint total; /* number of elements allocated */ + mem_heap_t* heap; /*!< heap */ + void** data; /*!< data elements */ + ulint used; /*!< number of elements currently used */ + ulint total; /*!< number of elements allocated */ }; #ifndef UNIV_NONINL diff --git a/include/ut0vec.ic b/include/ut0vec.ic index edfc7ef2e24..02e881f9bca 100644 --- a/include/ut0vec.ic +++ b/include/ut0vec.ic @@ -16,7 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************************** +/*******************************************************************//** +@file include/ut0vec.ic +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** Get number of elements in vector. @return number of elements in vector */ UNIV_INLINE @@ -28,7 +35,7 @@ ib_vector_size( return(vec->used); } -/******************************************************************** +/****************************************************************//** Get n'th element. @return n'th element */ UNIV_INLINE @@ -43,7 +50,7 @@ ib_vector_get( return(vec->data[n]); } -/******************************************************************** +/****************************************************************//** Remove the last element from the vector. @return last vector element */ UNIV_INLINE @@ -64,7 +71,7 @@ ib_vector_pop( return(elem); } -/******************************************************************** +/****************************************************************//** Free the underlying heap of the vector. Note that vec is invalid after this call. */ UNIV_INLINE @@ -76,7 +83,7 @@ ib_vector_free( mem_heap_free(vec->heap); } -/******************************************************************** +/****************************************************************//** Test whether a vector is empty or not. @return TRUE if empty */ UNIV_INLINE diff --git a/include/ut0wqueue.h b/include/ut0wqueue.h index e0f5afc161c..2ec0f16ab05 100644 --- a/include/ut0wqueue.h +++ b/include/ut0wqueue.h @@ -16,7 +16,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file include/ut0wqueue.h +A work queue + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/*******************************************************************//** A Work queue. Threads can add work items to the queue and other threads can wait for work items to be available and take them off the queue for processing. @@ -32,7 +39,7 @@ processing. typedef struct ib_wqueue_struct ib_wqueue_t; -/******************************************************************** +/****************************************************************//** Create a new work queue. @return work queue */ UNIV_INTERN @@ -40,7 +47,7 @@ ib_wqueue_t* ib_wqueue_create(void); /*===================*/ -/******************************************************************** +/****************************************************************//** Free a work queue. */ UNIV_INTERN void @@ -48,7 +55,7 @@ ib_wqueue_free( /*===========*/ ib_wqueue_t* wq); /*!< in: work queue */ -/******************************************************************** +/****************************************************************//** Add a work item to the queue. */ UNIV_INTERN void @@ -59,7 +66,7 @@ ib_wqueue_add( mem_heap_t* heap); /*!< in: memory heap to use for allocating the list node */ -/******************************************************************** +/****************************************************************//** Wait for a work item to appear in the queue. @return work item */ UNIV_INTERN @@ -70,9 +77,9 @@ ib_wqueue_wait( /* Work queue. */ struct ib_wqueue_struct { - mutex_t mutex; /* mutex protecting everything */ - ib_list_t* items; /* work item list */ - os_event_t event; /* event we use to signal additions to list */ + mutex_t mutex; /*!< mutex protecting everything */ + ib_list_t* items; /*!< work item list */ + os_event_t event; /*!< event we use to signal additions to list */ }; #endif diff --git a/lock/lock0iter.c b/lock/lock0iter.c index 78dceb7bb43..51d1802ccde 100644 --- a/lock/lock0iter.c +++ b/lock/lock0iter.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file lock/lock0iter.c Lock queue iterator. Can iterate over table and record lock queues. @@ -35,7 +36,7 @@ Created July 16, 2007 Vasil Dimov # include "srv0srv.h" /* kernel_mutex */ #endif /* UNIV_DEBUG */ -/*********************************************************************** +/*******************************************************************//** Initialize lock queue iterator so that it starts to iterate from "lock". bit_no specifies the record number within the heap where the record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: @@ -76,7 +77,7 @@ lock_queue_iterator_reset( } } -/*********************************************************************** +/*******************************************************************//** Gets the previous lock in the lock queue, returns NULL if there are no more locks (i.e. the current lock is the first one). The iterator is receded (if not-NULL is returned). diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 8ee173664bb..de5ba2b8404 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file lock/lock0lock.c The transaction lock system Created 5/7/1996 Heikki Tuuri @@ -343,7 +344,7 @@ equal to mode2. */ #ifdef UNIV_DEBUG UNIV_INTERN ibool lock_print_waits = FALSE; -/************************************************************************* +/*********************************************************************//** Validates the lock system. @return TRUE if ok */ static @@ -351,7 +352,7 @@ ibool lock_validate(void); /*===============*/ -/************************************************************************* +/*********************************************************************//** Validates the record lock queues on a page. @return TRUE if ok */ static @@ -377,18 +378,24 @@ UNIV_INTERN FILE* lock_latest_err_file; #define LOCK_VICTIM_IS_START 1 #define LOCK_VICTIM_IS_OTHER 2 -/************************************************************************ +/********************************************************************//** Checks if a lock request results in a deadlock. -@return TRUE if a deadlock was detected and we chose trx as a victim; FALSE if no deadlock, or there was a deadlock, but we chose other transaction(s) as victim(s) */ +@return TRUE if a deadlock was detected and we chose trx as a victim; +FALSE if no deadlock, or there was a deadlock, but we chose other +transaction(s) as victim(s) */ static ibool lock_deadlock_occurs( /*=================*/ lock_t* lock, /*!< in: lock the transaction is requesting */ trx_t* trx); /*!< in: transaction */ -/************************************************************************ +/********************************************************************//** Looks recursively for a deadlock. -@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another deadlock! */ +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a +deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a +deadlock was found and we chose some other trx as a victim: we must do +the search again in this last case because there may be another +deadlock! */ static ulint lock_deadlock_recursive( @@ -403,7 +410,7 @@ lock_deadlock_recursive( LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_VICTIM_IS_START */ -/************************************************************************* +/*********************************************************************//** Gets the nth bit of a record lock. @return TRUE if bit set */ UNIV_INLINE @@ -435,7 +442,7 @@ lock_rec_get_nth_bit( #define lock_mutex_enter_kernel() mutex_enter(&kernel_mutex) #define lock_mutex_exit_kernel() mutex_exit(&kernel_mutex) -/************************************************************************* +/*********************************************************************//** Checks that a transaction id is sensible, i.e., not in the future. @return TRUE if ok */ UNIV_INTERN @@ -486,9 +493,10 @@ lock_check_trx_id_sanity( return(is_ok); } -/************************************************************************* +/*********************************************************************//** Checks that a record is seen in a consistent read. -@return TRUE if sees, or FALSE if an earlier version of the record should be retrieved */ +@return TRUE if sees, or FALSE if an earlier version of the record +should be retrieved */ UNIV_INTERN ibool lock_clust_rec_cons_read_sees( @@ -514,9 +522,16 @@ lock_clust_rec_cons_read_sees( return(read_view_sees_trx_id(view, trx_id)); } -/************************************************************************* +/*********************************************************************//** Checks that a non-clustered index record is seen in a consistent read. -@return TRUE if certainly sees, or FALSE if an earlier version of the clustered index record might be needed: NOTE that a non-clustered index page contains so little information on its modifications that also in the case FALSE, the present version of rec may be the right, but we must check this from the clustered index record */ + +NOTE that a non-clustered index page contains so little information on +its modifications that also in the case FALSE, the present version of +rec may be the right, but we must check this from the clustered index +record. + +@return TRUE if certainly sees, or FALSE if an earlier version of the +clustered index record might be needed */ UNIV_INTERN ulint lock_sec_rec_cons_read_sees( @@ -545,7 +560,7 @@ lock_sec_rec_cons_read_sees( return(ut_dulint_cmp(max_trx_id, view->up_limit_id) < 0); } -/************************************************************************* +/*********************************************************************//** Creates the lock system at database start. */ UNIV_INTERN void @@ -563,7 +578,7 @@ lock_sys_create( ut_a(lock_latest_err_file); } -/************************************************************************* +/*********************************************************************//** Gets the size of a lock struct. @return size in bytes */ UNIV_INTERN @@ -574,7 +589,7 @@ lock_get_size(void) return((ulint)sizeof(lock_t)); } -/************************************************************************* +/*********************************************************************//** Gets the mode of a lock. @return mode */ UNIV_INLINE @@ -588,7 +603,7 @@ lock_get_mode( return(lock->type_mode & LOCK_MODE_MASK); } -/************************************************************************* +/*********************************************************************//** Gets the wait flag of a lock. @return TRUE if waiting */ UNIV_INLINE @@ -607,10 +622,13 @@ lock_get_wait( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Gets the source table of an ALTER TABLE transaction. The table must be covered by an IX or IS table lock. -@return the source table of transaction, if it is covered by an IX or IS table lock; dest if there is no source table, and NULL if the transaction is locking more than two tables or an inconsistency is found */ +@return the source table of transaction, if it is covered by an IX or +IS table lock; dest if there is no source table, and NULL if the +transaction is locking more than two tables or an inconsistency is +found */ UNIV_INTERN dict_table_t* lock_get_src_table( @@ -673,11 +691,12 @@ lock_get_src_table( return(src); } -/************************************************************************* +/*********************************************************************//** Determine if the given table is exclusively "owned" by the given transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC on the table. -@return TRUE if table is only locked by trx, with LOCK_IX, and possibly LOCK_AUTO_INC */ +@return TRUE if table is only locked by trx, with LOCK_IX, and +possibly LOCK_AUTO_INC */ UNIV_INTERN ibool lock_is_table_exclusive( @@ -729,7 +748,7 @@ func_exit: return(ok); } -/************************************************************************* +/*********************************************************************//** Sets the wait flag of a lock and the back pointer in trx to lock. */ UNIV_INLINE void @@ -745,7 +764,7 @@ lock_set_lock_and_trx_wait( lock->type_mode |= LOCK_WAIT; } -/************************************************************************** +/**********************************************************************//** The back pointer to a waiting lock request in the transaction is set to NULL and the wait bit in lock type_mode is reset. */ UNIV_INLINE @@ -763,7 +782,7 @@ lock_reset_lock_and_trx_wait( lock->type_mode &= ~LOCK_WAIT; } -/************************************************************************* +/*********************************************************************//** Gets the gap flag of a record lock. @return TRUE if gap flag set */ UNIV_INLINE @@ -783,7 +802,7 @@ lock_rec_get_gap( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Gets the LOCK_REC_NOT_GAP flag of a record lock. @return TRUE if LOCK_REC_NOT_GAP flag set */ UNIV_INLINE @@ -803,7 +822,7 @@ lock_rec_get_rec_not_gap( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Gets the waiting insert flag of a record lock. @return TRUE if gap flag set */ UNIV_INLINE @@ -823,7 +842,7 @@ lock_rec_get_insert_intention( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Calculates if lock mode 1 is stronger or equal to lock mode 2. @return nonzero if mode1 stronger or equal to mode2 */ UNIV_INLINE @@ -841,7 +860,7 @@ lock_mode_stronger_or_eq( return((LOCK_MODE_STRONGER_OR_EQ) & LK(mode1, mode2)); } -/************************************************************************* +/*********************************************************************//** Calculates if lock mode 1 is compatible with lock mode 2. @return nonzero if mode1 compatible with mode2 */ UNIV_INLINE @@ -859,7 +878,7 @@ lock_mode_compatible( return((LOCK_MODE_COMPATIBILITY) & LK(mode1, mode2)); } -/************************************************************************* +/*********************************************************************//** Checks if a lock request for a new lock has to wait for request lock2. @return TRUE if new lock has to wait for lock2 to be removed */ UNIV_INLINE @@ -941,7 +960,7 @@ lock_rec_has_to_wait( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Checks if a lock request lock1 has to wait for request lock2. @return TRUE if lock1 has to wait for lock2 to be removed */ UNIV_INTERN @@ -979,7 +998,7 @@ lock_has_to_wait( /*============== RECORD LOCK BASIC FUNCTIONS ============================*/ -/************************************************************************* +/*********************************************************************//** Gets the number of bits in a record lock bitmap. @return number of bits */ UNIV_INLINE @@ -991,7 +1010,7 @@ lock_rec_get_n_bits( return(lock->un_member.rec_lock.n_bits); } -/************************************************************************** +/**********************************************************************//** Sets the nth bit of a record lock to TRUE. */ UNIV_INLINE void @@ -1013,10 +1032,11 @@ lock_rec_set_nth_bit( ((byte*) &lock[1])[byte_index] |= 1 << bit_index; } -/************************************************************************** +/**********************************************************************//** Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, if none found. -@return bit index == heap number of the record, or ULINT_UNDEFINED if none found */ +@return bit index == heap number of the record, or ULINT_UNDEFINED if +none found */ UNIV_INTERN ulint lock_rec_find_set_bit( @@ -1036,7 +1056,7 @@ lock_rec_find_set_bit( return(ULINT_UNDEFINED); } -/************************************************************************** +/**********************************************************************//** Resets the nth bit of a record lock. */ UNIV_INLINE void @@ -1059,7 +1079,7 @@ lock_rec_reset_nth_bit( ((byte*) &lock[1])[byte_index] &= ~(1 << bit_index); } -/************************************************************************* +/*********************************************************************//** Gets the first or next record lock on a page. @return next lock, NULL if none exists */ UNIV_INLINE @@ -1095,7 +1115,7 @@ lock_rec_get_next_on_page( return(lock); } -/************************************************************************* +/*********************************************************************//** Gets the first record lock on a page, where the page is identified by its file address. @return first lock, NULL if none exists */ @@ -1125,7 +1145,7 @@ lock_rec_get_first_on_page_addr( return(lock); } -/************************************************************************* +/*********************************************************************//** Returns TRUE if there are explicit record locks on a page. @return TRUE if there are explicit record locks on the page */ UNIV_INTERN @@ -1150,7 +1170,7 @@ lock_rec_expl_exist_on_page( return(ret); } -/************************************************************************* +/*********************************************************************//** Gets the first record lock on a page, where the page is identified by a pointer to it. @return first lock, NULL if none exists */ @@ -1184,7 +1204,7 @@ lock_rec_get_first_on_page( return(lock); } -/************************************************************************* +/*********************************************************************//** Gets the next explicit lock request on a record. @return next lock, NULL if none exists */ UNIV_INLINE @@ -1204,7 +1224,7 @@ lock_rec_get_next( return(lock); } -/************************************************************************* +/*********************************************************************//** Gets the first explicit lock request on a record. @return first lock, NULL if none exists */ UNIV_INLINE @@ -1228,7 +1248,7 @@ lock_rec_get_first( return(lock); } -/************************************************************************* +/*********************************************************************//** Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock pointer in the transaction! This function is used in lock object creation and resetting. */ @@ -1252,7 +1272,7 @@ lock_rec_bitmap_reset( memset(&lock[1], 0, n_bytes); } -/************************************************************************* +/*********************************************************************//** Copies a record lock to heap. @return copy of lock */ static @@ -1271,7 +1291,7 @@ lock_rec_copy( return(mem_heap_dup(heap, lock, size)); } -/************************************************************************* +/*********************************************************************//** Gets the previous record lock set on a record. @return previous lock on the same record, NULL if none exists */ UNIV_INTERN @@ -1313,7 +1333,7 @@ lock_rec_get_prev( /*============= FUNCTIONS FOR ANALYZING TABLE LOCK QUEUE ================*/ -/************************************************************************* +/*********************************************************************//** Checks if a transaction has the specified table lock, or stronger. @return lock or NULL */ UNIV_INLINE @@ -1353,7 +1373,7 @@ lock_table_has( /*============= FUNCTIONS FOR ANALYZING RECORD LOCK QUEUE ================*/ -/************************************************************************* +/*********************************************************************//** Checks if a transaction has a GRANTED explicit lock on rec stronger or equal to precise_mode. @return lock or NULL */ @@ -1403,7 +1423,7 @@ lock_rec_has_expl( } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Checks if some other transaction has a lock request in the queue. @return lock or NULL */ static @@ -1451,7 +1471,7 @@ lock_rec_other_has_expl_req( } #endif /* UNIV_DEBUG */ -/************************************************************************* +/*********************************************************************//** Checks if some other transaction has a conflicting explicit lock request in the queue, so that we have to wait. @return lock or NULL */ @@ -1501,7 +1521,7 @@ lock_rec_other_has_conflicting( return(NULL); } -/************************************************************************* +/*********************************************************************//** Looks for a suitable type record lock struct by the same trx on the same page. This can be used to save space when a new record lock should be set on a page: no new struct is needed, if a suitable old is found. @@ -1531,7 +1551,7 @@ lock_rec_find_similar_on_page( return(NULL); } -/************************************************************************* +/*********************************************************************//** Checks if some transaction has an implicit x-lock on a record in a secondary index. @return transaction which has the x-lock, or NULL */ @@ -1578,7 +1598,7 @@ lock_sec_rec_some_has_impl_off_kernel( return(row_vers_impl_x_locked_off_kernel(rec, index, offsets)); } -/************************************************************************* +/*********************************************************************//** Return approximate number or record locks (bits set in the bitmap) for this transaction. Since delete-marked records may be removed, the record count will not be precise. */ @@ -1614,7 +1634,7 @@ lock_number_of_rows_locked( /*============== RECORD LOCK CREATION AND QUEUE MANAGEMENT =============*/ -/************************************************************************* +/*********************************************************************//** Creates a new record lock and inserts it to the lock queue. Does NOT check for deadlocks or lock compatibility! @return created lock */ @@ -1691,10 +1711,13 @@ lock_rec_create( return(lock); } -/************************************************************************* +/*********************************************************************//** Enqueues a waiting request for a lock which cannot be granted immediately. Checks for deadlocks. -@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another transaction was chosen as a victim, and we got the lock immediately: no need to wait then */ +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or +DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another +transaction was chosen as a victim, and we got the lock immediately: +no need to wait then */ static ulint lock_rec_enqueue_waiting( @@ -1788,7 +1811,7 @@ lock_rec_enqueue_waiting( return(DB_LOCK_WAIT); } -/************************************************************************* +/*********************************************************************//** Adds a record lock request in the record queue. The request is normally added as the last in the queue, but if there are no waiting lock requests on the record, and the request to be added is not a waiting request, we @@ -1884,7 +1907,7 @@ somebody_waits: return(lock_rec_create(type_mode, block, heap_no, index, trx)); } -/************************************************************************* +/*********************************************************************//** This is a fast routine for locking a record in the most common cases: there are no explicit locks on the page, or there is just one lock, owned by this transaction, and of the right type_mode. This is a low-level function @@ -1959,7 +1982,7 @@ lock_rec_lock_fast( return(TRUE); } -/************************************************************************* +/*********************************************************************//** This is the general, and slower, routine for locking a record. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key @@ -2025,7 +2048,7 @@ lock_rec_lock_slow( return(err); } -/************************************************************************* +/*********************************************************************//** Tries to lock the specified record in the mode requested. If not immediately possible, enqueues a waiting lock request. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within @@ -2076,7 +2099,7 @@ lock_rec_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Checks if a waiting record lock request still has to wait in a queue. @return TRUE if still has to wait */ static @@ -2114,7 +2137,7 @@ lock_rec_has_to_wait_in_queue( return(FALSE); } -/***************************************************************** +/*************************************************************//** Grants a lock to a waiting lock request and releases the waiting transaction. */ static @@ -2159,7 +2182,7 @@ lock_grant( } } -/***************************************************************** +/*************************************************************//** Cancels a waiting record lock request and releases the waiting transaction that requested it. NOTE: does NOT check if waiting lock requests behind this one can now be granted! */ @@ -2184,7 +2207,7 @@ lock_rec_cancel( trx_end_lock_wait(lock->trx); } -/***************************************************************** +/*************************************************************//** Removes a record lock request, waiting or granted, from the queue and grants locks to other transactions in the queue if they now are entitled to a lock. NOTE: all record locks contained in in_lock are removed. */ @@ -2232,7 +2255,7 @@ lock_rec_dequeue_from_page( } } -/***************************************************************** +/*************************************************************//** Removes a record lock request, waiting or granted, from the queue. */ static void @@ -2259,7 +2282,7 @@ lock_rec_discard( UT_LIST_REMOVE(trx_locks, trx->trx_locks, in_lock); } -/***************************************************************** +/*************************************************************//** Removes record lock objects set on an index page which is discarded. This function does not move locks, or check for waiting locks, therefore the lock bitmaps must already be reset when this function is called. */ @@ -2295,7 +2318,7 @@ lock_rec_free_all_from_discard_page( /*============= RECORD LOCK MOVING AND INHERITING ===================*/ -/***************************************************************** +/*************************************************************//** Resets the lock bits for a single record. Releases transactions waiting for lock requests here. */ static @@ -2323,7 +2346,7 @@ lock_rec_reset_and_release_wait( } } -/***************************************************************** +/*************************************************************//** Makes a record to inherit the locks (except LOCK_INSERT_INTENTION type) of another record as gap type locks, but does not reset the lock bits of the other record. Also waiting lock requests on rec are inherited as @@ -2372,7 +2395,7 @@ lock_rec_inherit_to_gap( } } -/***************************************************************** +/*************************************************************//** Makes a record to inherit the gap locks (except LOCK_INSERT_INTENTION type) of another record as gap type locks, but does not reset the lock bits of the other record. Also waiting lock requests are inherited as GRANTED gap locks. */ @@ -2409,7 +2432,7 @@ lock_rec_inherit_to_gap_if_gap_lock( } } -/***************************************************************** +/*************************************************************//** Moves the locks of a record to another record and resets the lock bits of the donating record. */ static @@ -2455,7 +2478,7 @@ lock_rec_move( ut_ad(lock_rec_get_first(donator, donator_heap_no) == NULL); } -/***************************************************************** +/*************************************************************//** Updates the lock table when we have reorganized a page. NOTE: we copy also the locks set on the infimum of the page; the infimum may carry locks if an update of a record is occurring on the page, and its locks @@ -2603,7 +2626,7 @@ lock_move_reorganize_page( #endif } -/***************************************************************** +/*************************************************************//** Moves the explicit locks on user records to another page if a record list end is moved to another page. */ UNIV_INTERN @@ -2694,7 +2717,7 @@ lock_move_rec_list_end( #endif } -/***************************************************************** +/*************************************************************//** Moves the explicit locks on user records to another page if a record list start is moved to another page. */ UNIV_INTERN @@ -2803,7 +2826,7 @@ lock_move_rec_list_start( #endif } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is split to the right. */ UNIV_INTERN void @@ -2831,7 +2854,7 @@ lock_update_split_right( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is merged to the right. */ UNIV_INTERN void @@ -2868,7 +2891,7 @@ lock_update_merge_right( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when the root page is copied to another in btr_root_raise_and_insert. Note that we leave lock structs on the root page, even though they do not make sense on other than leaf @@ -2892,7 +2915,7 @@ lock_update_root_raise( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is copied to another and the original page is removed from the chain of leaf pages, except if page is the root! */ UNIV_INTERN @@ -2916,7 +2939,7 @@ lock_update_copy_and_discard( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is split to the left. */ UNIV_INTERN void @@ -2938,7 +2961,7 @@ lock_update_split_left( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is merged to the left. */ UNIV_INTERN void @@ -2987,7 +3010,7 @@ lock_update_merge_left( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Resets the original locks on heir and replaces them with gap type locks inherited from rec. */ UNIV_INTERN @@ -3014,7 +3037,7 @@ lock_rec_reset_and_inherit_gap_locks( mutex_exit(&kernel_mutex); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a page is discarded. */ UNIV_INTERN void @@ -3077,7 +3100,7 @@ lock_update_discard( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a new user record is inserted. */ UNIV_INTERN void @@ -3110,7 +3133,7 @@ lock_update_insert( lock_mutex_exit_kernel(); } -/***************************************************************** +/*************************************************************//** Updates the lock table when a record is removed. */ UNIV_INTERN void @@ -3150,7 +3173,7 @@ lock_update_delete( lock_mutex_exit_kernel(); } -/************************************************************************* +/*********************************************************************//** Stores on the page infimum record the explicit locks of another record. This function is used to store the lock state of a record when it is updated and the size of the record changes in the update. The record @@ -3179,7 +3202,7 @@ lock_rec_store_on_page_infimum( lock_mutex_exit_kernel(); } -/************************************************************************* +/*********************************************************************//** Restores the state of explicit lock requests on a single record, where the state was stored on the infimum of the page. */ UNIV_INTERN @@ -3206,9 +3229,11 @@ lock_rec_restore_from_page_infimum( /*=========== DEADLOCK CHECKING ======================================*/ -/************************************************************************ +/********************************************************************//** Checks if a lock request results in a deadlock. -@return TRUE if a deadlock was detected and we chose trx as a victim; FALSE if no deadlock, or there was a deadlock, but we chose other transaction(s) as victim(s) */ +@return TRUE if a deadlock was detected and we chose trx as a victim; +FALSE if no deadlock, or there was a deadlock, but we chose other +transaction(s) as victim(s) */ static ibool lock_deadlock_occurs( @@ -3266,9 +3291,13 @@ retry: return(FALSE); } -/************************************************************************ +/********************************************************************//** Looks recursively for a deadlock. -@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another deadlock! */ +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a +deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a +deadlock was found and we chose some other trx as a victim: we must do +the search again in this last case because there may be another +deadlock! */ static ulint lock_deadlock_recursive( @@ -3455,7 +3484,7 @@ lock_deadlock_recursive( /*========================= TABLE LOCKS ==============================*/ -/************************************************************************* +/*********************************************************************//** Creates a table lock object and adds it as the last in the lock queue of the table. Does NOT check for deadlocks or lock compatibility. @return own: new lock object */ @@ -3508,7 +3537,7 @@ lock_table_create( return(lock); } -/***************************************************************** +/*************************************************************//** Removes a table lock request from the queue and the trx list of locks; this is a low-level function which does NOT check if waiting requests can now be granted. */ @@ -3560,10 +3589,13 @@ lock_table_remove_low( UT_LIST_REMOVE(un_member.tab_lock.locks, table->locks, lock); } -/************************************************************************* +/*********************************************************************//** Enqueues a waiting request for a table lock which cannot be granted immediately. Checks for deadlocks. -@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another transaction was chosen as a victim, and we got the lock immediately: no need to wait then */ +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or +DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another +transaction was chosen as a victim, and we got the lock immediately: +no need to wait then */ static ulint lock_table_enqueue_waiting( @@ -3637,7 +3669,7 @@ lock_table_enqueue_waiting( return(DB_LOCK_WAIT); } -/************************************************************************* +/*********************************************************************//** Checks if other transactions have an incompatible mode lock request in the lock queue. */ UNIV_INLINE @@ -3672,7 +3704,7 @@ lock_table_other_has_incompatible( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Locks the specified database table in the mode given. If the lock cannot be granted immediately, the query thread is put to wait. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -3735,7 +3767,7 @@ lock_table( return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Checks if there are any locks set on the table. @return TRUE if there are lock(s) */ UNIV_INTERN @@ -3761,7 +3793,7 @@ lock_is_on_table( return(ret); } -/************************************************************************* +/*********************************************************************//** Checks if a waiting table lock request still has to wait in a queue. @return TRUE if still has to wait */ static @@ -3793,7 +3825,7 @@ lock_table_has_to_wait_in_queue( return(FALSE); } -/***************************************************************** +/*************************************************************//** Removes a table lock request, waiting or granted, from the queue and grants locks to other transactions in the queue, if they now are entitled to a lock. */ @@ -3832,7 +3864,7 @@ lock_table_dequeue( /*=========================== LOCK RELEASE ==============================*/ -/***************************************************************** +/*************************************************************//** Removes a granted record lock of a transaction from the queue and grants locks to other transactions waiting in the queue if they now are entitled to a lock. */ @@ -3904,7 +3936,7 @@ lock_rec_unlock( mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** Releases a table lock. Releases possible other transactions waiting for this lock. */ UNIV_INTERN @@ -3920,7 +3952,7 @@ lock_table_unlock( mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** Releases transaction locks, and releases possible other transactions waiting because of these locks. */ UNIV_INTERN @@ -3984,7 +4016,7 @@ lock_release_off_kernel( mem_heap_empty(trx->lock_heap); } -/************************************************************************* +/*********************************************************************//** Cancels a waiting lock request and releases possible other transactions waiting behind it. */ UNIV_INTERN @@ -4024,7 +4056,7 @@ lock_cancel_waiting_and_release( || lock_get_mode(lock) == LOCK_X) -/************************************************************************* +/*********************************************************************//** Removes locks of a transaction on a table to be dropped. If remove_also_table_sx_locks is TRUE then table-level S and X locks are also removed in addition to other table-level and record-level locks. @@ -4067,7 +4099,7 @@ lock_remove_all_on_table_for_trx( } } -/************************************************************************* +/*********************************************************************//** Removes locks on a table to be dropped or truncated. If remove_also_table_sx_locks is TRUE then table-level S and X locks are also removed in addition to other table-level and record-level locks. @@ -4134,7 +4166,7 @@ lock_remove_all_on_table( /*===================== VALIDATION AND DEBUGGING ====================*/ -/************************************************************************* +/*********************************************************************//** Prints info of a table lock. */ UNIV_INTERN void @@ -4174,7 +4206,7 @@ lock_table_print( putc('\n', file); } -/************************************************************************* +/*********************************************************************//** Prints info of a record lock. */ UNIV_INTERN void @@ -4274,7 +4306,7 @@ http://bugs.mysql.com/36942 */ #endif /* UNIV_DEBUG */ #ifdef PRINT_NUM_OF_LOCK_STRUCTS -/************************************************************************* +/*********************************************************************//** Calculates the number of record lock structs in the record lock hash table. @return number of record locks */ static @@ -4303,7 +4335,7 @@ lock_get_n_rec_locks(void) } #endif /* PRINT_NUM_OF_LOCK_STRUCTS */ -/************************************************************************* +/*********************************************************************//** Prints info of locks for all transactions. */ UNIV_INTERN void @@ -4350,7 +4382,7 @@ lock_print_info_summary( #endif /* PRINT_NUM_OF_LOCK_STRUCTS */ } -/************************************************************************* +/*********************************************************************//** Prints info of locks for each transaction. */ UNIV_INTERN void @@ -4511,7 +4543,7 @@ loop: } #ifdef UNIV_DEBUG -/************************************************************************* +/*********************************************************************//** Validates the lock queue on a table. @return TRUE if ok */ static @@ -4547,7 +4579,7 @@ lock_table_queue_validate( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Validates the lock queue on a single record. @return TRUE if ok */ static @@ -4671,7 +4703,7 @@ lock_rec_queue_validate( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Validates the record lock queues on a page. @return TRUE if ok */ static @@ -4769,7 +4801,7 @@ function_exit: return(TRUE); } -/************************************************************************* +/*********************************************************************//** Validates the lock system. @return TRUE if ok */ static @@ -4848,7 +4880,7 @@ lock_validate(void) #endif /* UNIV_DEBUG */ /*============ RECORD LOCK CHECKS FOR ROW OPERATIONS ====================*/ -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate insert of a record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then puts the transaction and @@ -4970,7 +5002,7 @@ lock_rec_insert_check_and_lock( return(err); } -/************************************************************************* +/*********************************************************************//** If a transaction has an implicit x-lock on a record, but no explicit x-lock set on the record, sets one for it. NOTE that in the case of a secondary index, the kernel mutex may get temporarily released. */ @@ -5013,7 +5045,7 @@ lock_rec_convert_impl_to_expl( } } -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate modify (update, delete mark, or delete unmark) of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some @@ -5069,7 +5101,7 @@ lock_clust_rec_modify_check_and_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate modify (delete mark or delete unmark) of a secondary index record. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -5142,7 +5174,7 @@ lock_sec_rec_modify_check_and_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Like the counterpart for a clustered index below, but now we read a secondary index record. @return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ @@ -5213,7 +5245,7 @@ lock_sec_rec_read_check_and_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then @@ -5281,7 +5313,7 @@ lock_clust_rec_read_check_and_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Checks if locks of other transactions prevent an immediate read, or passing over by a read cursor, of a clustered index record. If they do, first tests if the query thread should anyway be suspended for some reason; if not, then @@ -5328,7 +5360,7 @@ lock_clust_rec_read_check_and_lock_alt( return(ret); } -/*********************************************************************** +/*******************************************************************//** Release the last lock from the transaction's autoinc locks. */ UNIV_INLINE void @@ -5356,7 +5388,7 @@ lock_release_autoinc_last_lock( lock_table_dequeue(lock); } -/*********************************************************************** +/*******************************************************************//** Release all the transaction's autoinc locks. */ UNIV_INTERN void @@ -5382,7 +5414,7 @@ lock_release_autoinc_locks( ut_a(ib_vector_is_empty(trx->autoinc_locks)); } -/*********************************************************************** +/*******************************************************************//** Gets the type of a lock. Non-inline version for using outside of the lock module. @return LOCK_TABLE or LOCK_REC */ @@ -5395,7 +5427,7 @@ lock_get_type( return(lock_get_type_low(lock)); } -/*********************************************************************** +/*******************************************************************//** Gets the id of the transaction owning a lock. @return transaction id */ UNIV_INTERN @@ -5407,7 +5439,7 @@ lock_get_trx_id( return(trx_get_id(lock->trx)); } -/*********************************************************************** +/*******************************************************************//** Gets the mode of a lock in a human readable string. The string should not be free()'d or modified. @return lock mode */ @@ -5454,7 +5486,7 @@ lock_get_mode_str( } } -/*********************************************************************** +/*******************************************************************//** Gets the type of a lock in a human readable string. The string should not be free()'d or modified. @return lock type */ @@ -5474,7 +5506,7 @@ lock_get_type_str( } } -/*********************************************************************** +/*******************************************************************//** Gets the table on which the lock is. @return table */ UNIV_INLINE @@ -5494,7 +5526,7 @@ lock_get_table( } } -/*********************************************************************** +/*******************************************************************//** Gets the id of the table on which the lock is. @return id of the table */ UNIV_INTERN @@ -5510,7 +5542,7 @@ lock_get_table_id( return((ullint)ut_conv_dulint_to_longlong(table->id)); } -/*********************************************************************** +/*******************************************************************//** Gets the name of the table on which the lock is. The string should not be free()'d or modified. @return name of the table */ @@ -5527,7 +5559,7 @@ lock_get_table_name( return(table->name); } -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the index on which the lock is. @return index */ UNIV_INTERN @@ -5541,7 +5573,7 @@ lock_rec_get_index( return(lock->index); } -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the name of the index on which the lock is. The string should not be free()'d or modified. @return name of the index */ @@ -5556,7 +5588,7 @@ lock_rec_get_index_name( return(lock->index->name); } -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the tablespace number on which the lock is. @return tablespace number */ UNIV_INTERN @@ -5570,7 +5602,7 @@ lock_rec_get_space_id( return(lock->un_member.rec_lock.space); } -/*********************************************************************** +/*******************************************************************//** For a record lock, gets the page number on which the lock is. @return page number */ UNIV_INTERN diff --git a/log/log0log.c b/log/log0log.c index 3d713c83865..3ad294affb7 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file log/log0log.c Database log Created 12/9/1995 Heikki Tuuri @@ -128,14 +129,14 @@ the previous */ #define LOG_ARCHIVE_READ 1 #define LOG_ARCHIVE_WRITE 2 -/********************************************************** +/******************************************************//** Completes a checkpoint write i/o to a log file. */ static void log_io_complete_checkpoint(void); /*============================*/ #ifdef UNIV_LOG_ARCHIVE -/********************************************************** +/******************************************************//** Completes an archiving i/o. */ static void @@ -143,7 +144,7 @@ log_io_complete_archive(void); /*=========================*/ #endif /* UNIV_LOG_ARCHIVE */ -/******************************************************************** +/****************************************************************//** Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, so that we know that the limit has been written to a log checkpoint field on disk. */ @@ -170,7 +171,7 @@ log_fsp_current_free_limit_set_and_checkpoint( } } -/******************************************************************** +/****************************************************************//** Returns the oldest modified block lsn in the pool, or log_sys->lsn if none exists. @return LSN of oldest modification */ @@ -193,7 +194,7 @@ log_buf_pool_get_oldest_modification(void) return(lsn); } -/**************************************************************** +/************************************************************//** Opens the log for log_write_low. The log must be closed with log_close and released with log_release. @return start lsn of the log record */ @@ -267,7 +268,7 @@ loop: return(log->lsn); } -/**************************************************************** +/************************************************************//** Writes to the log the string given. It is assumed that the caller holds the log mutex. */ UNIV_INTERN @@ -336,7 +337,7 @@ part_loop: srv_log_write_requests++; } -/**************************************************************** +/************************************************************//** Closes the log. @return lsn */ UNIV_INTERN @@ -428,7 +429,7 @@ function_exit: } #ifdef UNIV_LOG_ARCHIVE -/********************************************************** +/******************************************************//** Pads the current log block full with dummy log records. Used in producing consistent archived log files. */ static @@ -461,7 +462,7 @@ log_pad_current_log_block(void) } #endif /* UNIV_LOG_ARCHIVE */ -/********************************************************** +/******************************************************//** Calculates the data capacity of a log group, when the log file headers are not included. @return capacity in bytes */ @@ -476,7 +477,7 @@ log_group_get_capacity( return((group->file_size - LOG_FILE_HDR_SIZE) * group->n_files); } -/********************************************************** +/******************************************************//** Calculates the offset within a log group, when the log file headers are not included. @return size offset (<= offset) */ @@ -493,7 +494,7 @@ log_group_calc_size_offset( return(offset - LOG_FILE_HDR_SIZE * (1 + offset / group->file_size)); } -/********************************************************** +/******************************************************//** Calculates the offset within a log group, when the log file headers are included. @return real offset (>= offset) */ @@ -511,7 +512,7 @@ log_group_calc_real_offset( * (1 + offset / (group->file_size - LOG_FILE_HDR_SIZE))); } -/********************************************************** +/******************************************************//** Calculates the offset of an lsn within a log group. @return offset within the log group */ static @@ -568,7 +569,7 @@ log_group_calc_lsn_offset( UNIV_INTERN ibool log_debug_writes = FALSE; #endif /* UNIV_DEBUG */ -/*********************************************************************** +/*******************************************************************//** Calculates where in log files we find a specified lsn. @return log file number */ UNIV_INTERN @@ -609,7 +610,7 @@ log_calc_where_lsn_is( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Sets the field values in group to correspond to a given lsn. For this function to work, the values must already be correctly initialized to correspond to some lsn, for instance, a checkpoint lsn. */ @@ -625,10 +626,11 @@ log_group_set_fields( group->lsn = lsn; } -/********************************************************************* +/*****************************************************************//** Calculates the recommended highest values for lsn - last_checkpoint_lsn, lsn - buf_get_oldest_modification(), and lsn - max_archive_lsn_age. -@return error value FALSE if the smallest log group is too small to accommodate the number of OS threads in the database server */ +@return error value FALSE if the smallest log group is too small to +accommodate the number of OS threads in the database server */ static ibool log_calc_max_ages(void) @@ -737,7 +739,7 @@ failure: return(success); } -/********************************************************** +/******************************************************//** Initializes the log. */ UNIV_INTERN void @@ -857,7 +859,7 @@ log_init(void) #endif } -/********************************************************************** +/******************************************************************//** Inits a log group to the log system. */ UNIV_INTERN void @@ -930,7 +932,7 @@ log_group_init( ut_a(log_calc_max_ages()); } -/********************************************************************** +/******************************************************************//** Does the unlockings needed in flush i/o completion. */ UNIV_INLINE void @@ -961,7 +963,7 @@ log_flush_do_unlocks( } } -/********************************************************************** +/******************************************************************//** Checks if a flush is completed for a log group and does the completion routine if yes. @return LOG_UNLOCK_NONE_FLUSHED_LOCK or 0 */ @@ -997,7 +999,7 @@ log_group_check_flush_completion( return(0); } -/********************************************************** +/******************************************************//** Checks if a flush is completed and does the completion routine if yes. @return LOG_UNLOCK_FLUSH_LOCK or 0 */ static @@ -1038,7 +1040,7 @@ log_sys_check_flush_completion(void) return(0); } -/********************************************************** +/******************************************************//** Completes an i/o to a log file. */ UNIV_INTERN void @@ -1080,7 +1082,7 @@ log_io_complete( return; } - ut_error; /* We currently use synchronous writing of the + ut_error; /*!< We currently use synchronous writing of the logs and cannot end up here! */ if (srv_unix_file_flush_method != SRV_UNIX_O_DSYNC @@ -1106,7 +1108,7 @@ log_io_complete( mutex_exit(&(log_sys->mutex)); } -/********************************************************** +/******************************************************//** Writes a log file header to a log file space. */ static void @@ -1156,7 +1158,7 @@ log_group_file_header_flush( } } -/********************************************************** +/******************************************************//** Stores a 4-byte checksum to the trailer checksum field of a log block before writing it to a log file. This checksum is used in recovery to check the consistency of a log block. */ @@ -1169,7 +1171,7 @@ log_block_store_checksum( log_block_set_checksum(block, log_block_calc_checksum(block)); } -/********************************************************** +/******************************************************//** Writes a buffer to a log file group. */ UNIV_INTERN void @@ -1286,7 +1288,7 @@ loop: } } -/********************************************************** +/******************************************************//** This function is called, e.g., when a transaction wants to commit. It checks that the log has been written to the log file up to the last log entry written by the transaction. If there is a flush running, it waits and checks if the @@ -1403,7 +1405,7 @@ loop: log_sys->n_pending_writes++; group = UT_LIST_GET_FIRST(log_sys->log_groups); - group->n_pending_writes++; /* We assume here that we have only + group->n_pending_writes++; /*!< We assume here that we have only one log group! */ os_event_reset(log_sys->no_flush_event); @@ -1512,7 +1514,7 @@ do_waits: } } -/******************************************************************** +/****************************************************************//** Does a syncronous flush of the log buffer to disk. */ UNIV_INTERN void @@ -1530,7 +1532,7 @@ log_buffer_flush_to_disk(void) log_write_up_to(lsn, LOG_WAIT_ALL_GROUPS, TRUE); } -/******************************************************************** +/****************************************************************//** Tries to establish a big enough margin of free space in the log buffer, such that a new log entry can be catenated without an immediate need for a flush. */ static @@ -1560,11 +1562,12 @@ log_flush_margin(void) } } -/******************************************************************** +/****************************************************************//** Advances the smallest lsn for which there are unflushed dirty blocks in the buffer pool. NOTE: this function may only be called if the calling thread owns no synchronization objects! -@return FALSE if there was a flush batch of the same type running, which means that we could not start this flush batch */ +@return FALSE if there was a flush batch of the same type running, +which means that we could not start this flush batch */ UNIV_INTERN ibool log_preflush_pool_modified_pages( @@ -1604,7 +1607,7 @@ log_preflush_pool_modified_pages( return(TRUE); } -/********************************************************** +/******************************************************//** Completes a checkpoint. */ static void @@ -1621,7 +1624,7 @@ log_complete_checkpoint(void) rw_lock_x_unlock_gen(&(log_sys->checkpoint_lock), LOG_CHECKPOINT); } -/********************************************************** +/******************************************************//** Completes an asynchronous checkpoint info write i/o to a log file. */ static void @@ -1641,7 +1644,7 @@ log_io_complete_checkpoint(void) mutex_exit(&(log_sys->mutex)); } -/*********************************************************************** +/*******************************************************************//** Writes info to a checkpoint about a log group. */ static void @@ -1660,7 +1663,7 @@ log_checkpoint_set_nth_group_info( + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET, offset); } -/*********************************************************************** +/*******************************************************************//** Gets info from a checkpoint about a log group. */ UNIV_INTERN void @@ -1679,7 +1682,7 @@ log_checkpoint_get_nth_group_info( + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET); } -/********************************************************** +/******************************************************//** Writes the checkpoint info to a log group header. */ static void @@ -1801,7 +1804,7 @@ log_group_checkpoint( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP -/********************************************************** +/******************************************************//** Writes info to a buffer of a log group when log files are created in backup restoration. */ UNIV_INTERN @@ -1855,7 +1858,7 @@ log_reset_first_header_and_checkpoint( #endif /* UNIV_HOTBACKUP */ #ifndef UNIV_HOTBACKUP -/********************************************************** +/******************************************************//** Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ UNIV_INTERN void @@ -1873,7 +1876,7 @@ log_group_read_checkpoint_info( OS_FILE_LOG_BLOCK_SIZE, log_sys->checkpoint_buf, NULL); } -/********************************************************** +/******************************************************//** Writes checkpoint info to groups. */ UNIV_INTERN void @@ -1893,7 +1896,7 @@ log_groups_write_checkpoint_info(void) } } -/********************************************************** +/******************************************************//** Makes a checkpoint. Note that this function does not flush dirty blocks from the buffer pool: it only checks what is lsn of the oldest modification in the pool, and writes information about the lsn in @@ -1987,7 +1990,7 @@ log_checkpoint( return(TRUE); } -/******************************************************************** +/****************************************************************//** Makes a checkpoint at a given lsn or later. */ UNIV_INTERN void @@ -2011,7 +2014,7 @@ log_make_checkpoint_at( while (!log_checkpoint(TRUE, write_always)); } -/******************************************************************** +/****************************************************************//** Tries to establish a big enough margin of free space in the log groups, such that a new log entry can be catenated without an immediate need for a checkpoint. NOTE: this function may only be called if the calling thread @@ -2113,7 +2116,7 @@ loop: } } -/********************************************************** +/******************************************************//** Reads a specified log segment to a buffer. */ UNIV_INTERN void @@ -2167,7 +2170,7 @@ loop: } #ifdef UNIV_LOG_ARCHIVE -/********************************************************** +/******************************************************//** Generates an archived log file name. */ UNIV_INTERN void @@ -2182,7 +2185,7 @@ log_archived_file_name_gen( sprintf(buf, "%sib_arch_log_%010lu", srv_arch_dir, (ulong) file_no); } -/********************************************************** +/******************************************************//** Writes a log file header to a log file space. */ static void @@ -2221,7 +2224,7 @@ log_group_archive_file_header_write( buf, &log_archive_io); } -/********************************************************** +/******************************************************//** Writes a log file header to a completed archived log file. */ static void @@ -2255,7 +2258,7 @@ log_group_archive_completed_header_write( &log_archive_io); } -/********************************************************** +/******************************************************//** Does the archive writes for a single log group. */ static void @@ -2396,7 +2399,7 @@ loop: ut_a(group->next_archived_offset % OS_FILE_LOG_BLOCK_SIZE == 0); } -/********************************************************* +/*****************************************************//** (Writes to the archive of each log group.) Currently, only the first group is archived. */ static @@ -2413,7 +2416,7 @@ log_archive_groups(void) log_group_archive(group); } -/********************************************************* +/*****************************************************//** Completes the archiving write phase for (each log group), currently, the first log group. */ static @@ -2487,7 +2490,7 @@ log_archive_write_complete_groups(void) #endif /* UNIV_DEBUG */ } -/********************************************************** +/******************************************************//** Completes an archiving i/o. */ static void @@ -2523,7 +2526,7 @@ log_archive_check_completion_low(void) } } -/********************************************************** +/******************************************************//** Completes an archiving i/o. */ static void @@ -2551,7 +2554,7 @@ log_io_complete_archive(void) mutex_exit(&(log_sys->mutex)); } -/************************************************************************ +/********************************************************************//** Starts an archiving operation. @return TRUE if succeed, FALSE if an archiving operation was already running */ UNIV_INTERN @@ -2665,7 +2668,7 @@ arch_none: return(TRUE); } -/******************************************************************** +/****************************************************************//** Writes the log contents to the archive at least up to the lsn when this function was called. */ static @@ -2706,7 +2709,7 @@ log_archive_all(void) } } -/********************************************************* +/*****************************************************//** Closes the possible open archive log file (for each group) the first group, and if it was open, increments the group file count by 2, if desired. */ static @@ -2758,7 +2761,7 @@ log_archive_close_groups( } } -/******************************************************************** +/****************************************************************//** Writes the log contents to the archive up to the lsn when this function was called, and stops the archiving. When archiving is started again, the archived log file numbers start from 2 higher, so that the archiving will not write @@ -2825,7 +2828,7 @@ log_archive_stop(void) return(DB_SUCCESS); } -/******************************************************************** +/****************************************************************//** Starts again archiving which has been stopped. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN @@ -2851,7 +2854,7 @@ log_archive_start(void) return(DB_SUCCESS); } -/******************************************************************** +/****************************************************************//** Stop archiving the log so that a gap may occur in the archived log files. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN @@ -2883,7 +2886,7 @@ loop: goto loop; } -/******************************************************************** +/****************************************************************//** Start archiving the log so that a gap may occur in the archived log files. @return DB_SUCCESS or DB_ERROR */ UNIV_INTERN @@ -2910,7 +2913,7 @@ log_archive_archivelog(void) return(DB_ERROR); } -/******************************************************************** +/****************************************************************//** Tries to establish a big enough margin of free space in the log groups, such that a new log entry can be catenated without an immediate need for archiving. */ @@ -2965,7 +2968,7 @@ loop: } #endif /* UNIV_LOG_ARCHIVE */ -/************************************************************************ +/********************************************************************//** Checks that there is enough free space in the log to start a new query step. Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this function may only be called if the calling thread owns no synchronization @@ -2996,7 +2999,7 @@ loop: mutex_exit(&(log_sys->mutex)); } -/******************************************************************** +/****************************************************************//** Makes a checkpoint at the latest lsn and writes it to first page of each data file in the database, so that we know that the file spaces contain all modifications up to that lsn. This can only be called at database @@ -3184,7 +3187,7 @@ loop: ut_a(lsn == log_sys->lsn); } -/********************************************************** +/******************************************************//** Checks by parsing that the catenated log segment for a single mtr is consistent. */ UNIV_INTERN @@ -3234,7 +3237,7 @@ log_check_log_recs( return(TRUE); } -/********************************************************** +/******************************************************//** Peeks the current lsn. @return TRUE if success, FALSE if could not get the log system mutex */ UNIV_INTERN @@ -3254,7 +3257,7 @@ log_peek_lsn( return(FALSE); } -/********************************************************** +/******************************************************//** Prints info of the log. */ UNIV_INTERN void @@ -3294,7 +3297,7 @@ log_print( mutex_exit(&(log_sys->mutex)); } -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void diff --git a/log/log0recv.c b/log/log0recv.c index 826f5245715..d535736cf4a 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file log/log0recv.c Recovery Created 9/20/1997 Heikki Tuuri @@ -50,31 +51,40 @@ Created 9/20/1997 Heikki Tuuri # include "sync0sync.h" #else /* !UNIV_HOTBACKUP */ -/* This is set to FALSE if the backup was originally taken with the +/** This is set to FALSE if the backup was originally taken with the ibbackup --include regexp option: then we do not want to create tables in directories which were not included */ UNIV_INTERN ibool recv_replay_file_ops = TRUE; #endif /* !UNIV_HOTBACKUP */ -/* Log records are stored in the hash table in chunks at most of this size; +/** Log records are stored in the hash table in chunks at most of this size; this must be less than UNIV_PAGE_SIZE as it is stored in the buffer pool */ #define RECV_DATA_BLOCK_SIZE (MEM_MAX_ALLOC_IN_BUF - sizeof(recv_data_t)) -/* Read-ahead area in applying log records to file pages */ +/** Read-ahead area in applying log records to file pages */ #define RECV_READ_AHEAD_AREA 32 +/** The recovery system */ UNIV_INTERN recv_sys_t* recv_sys = NULL; +/** TRUE when applying redo log records during crash recovery; FALSE +otherwise. Note that this is FALSE while a background thread is +rolling back incomplete transactions. */ UNIV_INTERN ibool recv_recovery_on = FALSE; #ifdef UNIV_LOG_ARCHIVE +/** TRUE when applying redo log records from an archived log file */ UNIV_INTERN ibool recv_recovery_from_backup_on = FALSE; #endif /* UNIV_LOG_ARCHIVE */ #ifndef UNIV_HOTBACKUP +/** TRUE when recv_init_crash_recovery() has been called. */ UNIV_INTERN ibool recv_needed_recovery = FALSE; +/** TRUE if buf_page_is_corrupted() should check if the log sequence +number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by +recv_recovery_from_checkpoint_start_func(). */ UNIV_INTERN ibool recv_lsn_checks_on = FALSE; -/* There are two conditions under which we scan the logs, the first +/** There are two conditions under which we scan the logs, the first is normal startup and the second is when we do a recovery from an archive. This flag is set if we are doing a scan from the last checkpoint during @@ -82,56 +92,61 @@ startup. If we find log entries that were written after the last checkpoint we know that the server was not cleanly shutdown. We must then initialize the crash recovery environment before attempting to store these entries in the log hash table. */ -UNIV_INTERN ibool recv_log_scan_is_startup_type = FALSE; +static ibool recv_log_scan_is_startup_type = FALSE; -/* If the following is TRUE, the buffer pool file pages must be invalidated +/** If the following is TRUE, the buffer pool file pages must be invalidated after recovery and no ibuf operations are allowed; this becomes TRUE if the log record hash table becomes too full, and log records must be merged to file pages already before the recovery is finished: in this case no ibuf operations are allowed, as they could modify the pages read in the -buffer pool before the pages have been recovered to the up-to-date state */ - -/* Recovery is running and no operations on the log files are allowed -yet: the variable name is misleading */ +buffer pool before the pages have been recovered to the up-to-date state. +TRUE means that recovery is running and no operations on the log files +are allowed yet: the variable name is misleading. */ UNIV_INTERN ibool recv_no_ibuf_operations = FALSE; +/** TRUE when the redo log is being backed up */ # define recv_is_making_a_backup FALSE +/** TRUE when recovering from a backed up redo log file */ # define recv_is_from_backup FALSE #else /* !UNIV_HOTBACKUP */ # define recv_needed_recovery FALSE +/** TRUE when the redo log is being backed up */ UNIV_INTERN ibool recv_is_making_a_backup = FALSE; +/** TRUE when recovering from a backed up redo log file */ UNIV_INTERN ibool recv_is_from_backup = FALSE; # define buf_pool_get_curr_size() (5 * 1024 * 1024) #endif /* !UNIV_HOTBACKUP */ -/* The following counter is used to decide when to print info on +/** The following counter is used to decide when to print info on log scan */ -UNIV_INTERN ulint recv_scan_print_counter = 0; +static ulint recv_scan_print_counter = 0; -UNIV_INTERN ulint recv_previous_parsed_rec_type = 999999; -UNIV_INTERN ulint recv_previous_parsed_rec_offset = 0; -UNIV_INTERN ulint recv_previous_parsed_rec_is_multi = 0; +/** The type of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_type = 999999; +/** The offset of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_offset = 0; +/** The 'multi' flag of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_is_multi = 0; +/** Maximum page number encountered in the redo log */ UNIV_INTERN ulint recv_max_parsed_page_no = 0; -/* This many frames must be left free in the buffer pool when we scan +/** This many frames must be left free in the buffer pool when we scan the log and store the scanned log records in the buffer pool: we will use these free frames to read in pages when we start applying the log records to the database. This is the default value. If the actual size of the buffer pool is larger than 10 MB we'll set this value to 512. */ - UNIV_INTERN ulint recv_n_pool_free_frames = 256; -/* The maximum lsn we see for a page during the recovery process. If this +/** The maximum lsn we see for a page during the recovery process. If this is bigger than the lsn we are able to scan up to, that is an indication that the recovery failed and the database may be corrupt. */ - UNIV_INTERN ib_uint64_t recv_max_page_lsn; /* prototypes */ #ifndef UNIV_HOTBACKUP -/*********************************************************** +/*******************************************************//** Initialize crash recovery environment. Can be called iff recv_needed_recovery == FALSE. */ static @@ -140,7 +155,7 @@ recv_init_crash_recovery(void); /*===========================*/ #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Creates the recovery system. */ UNIV_INTERN void @@ -160,7 +175,7 @@ recv_sys_create(void) recv_sys->addr_hash = NULL; } -/************************************************************ +/********************************************************//** Inits the recovery system for a recovery operation. */ UNIV_INTERN void @@ -217,7 +232,7 @@ recv_sys_init( mutex_exit(&(recv_sys->mutex)); } -/************************************************************ +/********************************************************//** Empties the hash table when it has been fully processed. */ static void @@ -245,7 +260,7 @@ recv_sys_empty_hash(void) #ifndef UNIV_HOTBACKUP # ifndef UNIV_LOG_DEBUG -/************************************************************ +/********************************************************//** Frees the recovery system. */ static void @@ -269,7 +284,7 @@ recv_sys_free(void) } # endif /* UNIV_LOG_DEBUG */ -/************************************************************ +/********************************************************//** Truncates possible corrupted or extra records from a log group. */ static void @@ -369,7 +384,7 @@ recv_truncate_group( } } -/************************************************************ +/********************************************************//** Copies the log segment between group->recovered_lsn and recovered_lsn from the most up-to-date log group to group, so that it contains the latest log data. */ static @@ -420,7 +435,7 @@ recv_copy_group( } } -/************************************************************ +/********************************************************//** Copies a log segment from the most up-to-date log group to the other log groups, so that they all contain the latest log data. Also writes the info about the latest checkpoint to the groups, and inits the fields in the group @@ -489,7 +504,7 @@ recv_synchronize_groups( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Checks the consistency of the checkpoint info @return TRUE if ok */ static @@ -519,7 +534,7 @@ recv_check_cp_is_consistent( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Looks for the maximum consistent checkpoint from the log groups. @return error code or DB_SUCCESS */ static @@ -619,7 +634,7 @@ not_consistent: return(DB_SUCCESS); } #else /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Reads the checkpoint info needed in hot backup. @return TRUE if success */ UNIV_INTERN @@ -691,11 +706,12 @@ recv_read_cp_info_for_backup( } #endif /* !UNIV_HOTBACKUP */ -/********************************************************** -Checks the 4-byte checksum to the trailer checksum field of a log block. -We also accept a log block in the old format < InnoDB-3.23.52 where the -checksum field contains the log block number. -@return TRUE if ok, or if the log block may be in the format of InnoDB version < 3.23.52 */ +/******************************************************//** +Checks the 4-byte checksum to the trailer checksum field of a log +block. We also accept a log block in the old format before +InnoDB-3.23.52 where the checksum field contains the log block number. +@return TRUE if ok, or if the log block may be in the format of InnoDB +version predating 3.23.52 */ static ibool log_block_checksum_is_ok_or_old_format( @@ -727,7 +743,7 @@ log_block_checksum_is_ok_or_old_format( } #ifdef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Scans the log segment and n_bytes_scanned is set to the length of valid log scanned. */ UNIV_INTERN @@ -818,7 +834,7 @@ recv_scan_log_seg_for_backup( } #endif /* UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Tries to parse a single log record body and also applies it to a page if specified. File ops are parsed, but not applied in this function. @return log record end, NULL if not a complete record */ @@ -1142,7 +1158,7 @@ recv_parse_or_apply_log_rec_body( return(ptr); } -/************************************************************************* +/*********************************************************************//** Calculates the fold value of a page file address: used in inserting or searching for a log record in the hash table. @return folded value */ @@ -1156,7 +1172,7 @@ recv_fold( return(ut_fold_ulint_pair(space, page_no)); } -/************************************************************************* +/*********************************************************************//** Calculates the hash value of a page file address: used in inserting or searching for a log record in the hash table. @return folded value */ @@ -1170,7 +1186,7 @@ recv_hash( return(hash_calc_hash(recv_fold(space, page_no), recv_sys->addr_hash)); } -/************************************************************************* +/*********************************************************************//** Gets the hashed file address struct for a page. @return file address struct, NULL if not found from the hash table */ static @@ -1197,7 +1213,7 @@ recv_get_fil_addr_struct( return(recv_addr); } -/*********************************************************************** +/*******************************************************************//** Adds a new log record to the hash table of log records. */ static void @@ -1282,7 +1298,7 @@ recv_add_to_hash_table( *prev_field = NULL; } -/************************************************************************* +/*********************************************************************//** Copies the log record body from recv to buf. */ static void @@ -1314,7 +1330,7 @@ recv_data_copy_to_buf( } } -/**************************************************************************** +/************************************************************************//** Applies the hashed log records to the page, if the page lsn is less than the lsn of a log record. This can be called when a buffer page has just been read in, or also for a page already in the buffer pool. */ @@ -1324,10 +1340,10 @@ recv_recover_page_func( /*===================*/ #ifndef UNIV_HOTBACKUP ibool just_read_in, - /*!< in: TRUE if the i/o-handler calls this for - a freshly read page */ + /*!< in: TRUE if the i/o handler calls + this for a freshly read page */ #endif /* !UNIV_HOTBACKUP */ - buf_block_t* block) /*!< in: buffer block */ + buf_block_t* block) /*!< in/out: buffer block */ { page_t* page; recv_addr_t* recv_addr; @@ -1521,7 +1537,7 @@ recv_recover_page_func( } #ifndef UNIV_HOTBACKUP -/*********************************************************************** +/*******************************************************************//** Reads in pages which have hashed log records, from an area around a given page number. @return number of pages found */ @@ -1569,7 +1585,7 @@ recv_read_in_area( return(n); } -/*********************************************************************** +/*******************************************************************//** Empties the hash table of stored log records, applying them to appropriate pages. */ UNIV_INTERN @@ -1718,7 +1734,7 @@ loop: mutex_exit(&(recv_sys->mutex)); } #else /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Applies log records in the hash table to a backup. */ UNIV_INTERN void @@ -1866,7 +1882,7 @@ skip_this_recv_addr: } #endif /* !UNIV_HOTBACKUP */ -/*********************************************************************** +/*******************************************************************//** Tries to parse a single log record and returns its length. @return length of the record, or 0 if the record was not complete */ static @@ -1936,7 +1952,7 @@ recv_parse_log_rec( return(new_ptr - ptr); } -/*********************************************************** +/*******************************************************//** Calculates the new value for lsn when more data is added to the log. */ static ib_uint64_t @@ -1963,7 +1979,7 @@ recv_calc_lsn_on_data_add( } #ifdef UNIV_LOG_DEBUG -/*********************************************************** +/*******************************************************//** Checks that the parser recognizes incomplete initial segments of a log record as incomplete. */ static @@ -1986,7 +2002,7 @@ recv_check_incomplete_log_recs( } #endif /* UNIV_LOG_DEBUG */ -/*********************************************************** +/*******************************************************//** Prints diagnostic info of corrupt log. */ static void @@ -2041,7 +2057,7 @@ recv_report_corrupt_log( fflush(stderr); } -/*********************************************************** +/*******************************************************//** Parses log records from a buffer and stores them to a hash table to wait merging to file pages. @return currently always returns FALSE */ @@ -2283,7 +2299,7 @@ loop: goto loop; } -/*********************************************************** +/*******************************************************//** Adds data from a new log block to the parsing buffer of recv_sys if recv_sys->parse_start_lsn is non-zero. @return TRUE if more data added */ @@ -2358,7 +2374,7 @@ recv_sys_add_to_parsing_buf( return(TRUE); } -/*********************************************************** +/*******************************************************//** Moves the parsing buffer data left to the buffer start. */ static void @@ -2373,12 +2389,13 @@ recv_sys_justify_left_parsing_buf(void) recv_sys->recovered_offset = 0; } -/*********************************************************** +/*******************************************************//** Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. Unless UNIV_HOTBACKUP is defined, this function will apply log records automatically when the hash table becomes full. -@return TRUE if limit_lsn has been reached, or not able to scan any more in this log group */ +@return TRUE if limit_lsn has been reached, or not able to scan any +more in this log group */ UNIV_INTERN ibool recv_scan_log_recs( @@ -2598,7 +2615,7 @@ recv_scan_log_recs( } #ifndef UNIV_HOTBACKUP -/*********************************************************** +/*******************************************************//** Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. */ static @@ -2644,7 +2661,7 @@ recv_group_scan_log_recs( #endif /* UNIV_DEBUG */ } -/*********************************************************** +/*******************************************************//** Initialize crash recovery environment. Can be called iff recv_needed_recovery == FALSE. */ static @@ -2685,7 +2702,7 @@ recv_init_crash_recovery(void) } } -/************************************************************ +/********************************************************//** Recovers from a checkpoint. When this function returns, the database is able to start processing of new user transactions, but the function recv_recovery_from_checkpoint_finish should be called later to complete @@ -2696,7 +2713,8 @@ ulint recv_recovery_from_checkpoint_start_func( /*=====================================*/ #ifdef UNIV_LOG_ARCHIVE - ulint type, /*!< in: LOG_CHECKPOINT or LOG_ARCHIVE */ + ulint type, /*!< in: LOG_CHECKPOINT or + LOG_ARCHIVE */ ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if possible */ #endif /* UNIV_LOG_ARCHIVE */ @@ -2721,10 +2739,14 @@ recv_recovery_from_checkpoint_start_func( #ifdef UNIV_LOG_ARCHIVE ut_ad(type != LOG_CHECKPOINT || limit_lsn == IB_ULONGLONG_MAX); +/** TRUE when recovering from a checkpoint */ # define TYPE_CHECKPOINT (type == LOG_CHECKPOINT) +/** Recover up to this log sequence number */ # define LIMIT_LSN limit_lsn #else /* UNIV_LOG_ARCHIVE */ +/** TRUE when recovering from a checkpoint */ # define TYPE_CHECKPOINT 1 +/** Recover up to this log sequence number */ # define LIMIT_LSN IB_ULONGLONG_MAX #endif /* UNIV_LOG_ARCHIVE */ @@ -3050,7 +3072,7 @@ recv_recovery_from_checkpoint_start_func( #undef LIMIT_LSN } -/************************************************************ +/********************************************************//** Completes recovery from a checkpoint. */ UNIV_INTERN void @@ -3122,7 +3144,7 @@ recv_recovery_from_checkpoint_finish(void) } } -/********************************************************** +/******************************************************//** Resets the logs. The contents of log files will be lost! */ UNIV_INTERN void @@ -3194,7 +3216,7 @@ recv_reset_logs( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_HOTBACKUP -/********************************************************** +/******************************************************//** Creates new log files after a backup has been restored. */ UNIV_INTERN void @@ -3286,7 +3308,7 @@ recv_reset_log_files_for_backup( #endif /* UNIV_HOTBACKUP */ #ifdef UNIV_LOG_ARCHIVE -/********************************************************** +/******************************************************//** Reads from the archive of a log group and performs recovery. @return TRUE if no more complete consistent archive files */ static @@ -3476,7 +3498,7 @@ ask_again: return(FALSE); } -/************************************************************ +/********************************************************//** Recovers from archived log files, and also from log files, if they exist. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -3592,7 +3614,7 @@ recv_recovery_from_archive_start( return(DB_SUCCESS); } -/************************************************************ +/********************************************************//** Completes recovery from archive. */ UNIV_INTERN void diff --git a/mach/mach0data.c b/mach/mach0data.c index 022dcf76662..e030ce9aadf 100644 --- a/mach/mach0data.c +++ b/mach/mach0data.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************** +/******************************************************************//** +@file mach/mach0data.c Utilities for converting data from the database file to the machine format. @@ -29,7 +30,7 @@ Created 11/28/1995 Heikki Tuuri #include "mach0data.ic" #endif -/************************************************************* +/*********************************************************//** Reads a ulint in a compressed form if the log record fully contains it. @return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN @@ -92,7 +93,7 @@ mach_parse_compressed( } } -/************************************************************* +/*********************************************************//** Reads a dulint in a compressed form if the log record fully contains it. @return pointer to end of the stored field, NULL if not complete */ UNIV_INTERN diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index e8834ad9b4c..a20eb2ad7d2 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file mem/mem0dbg.c The memory management: the debug code. This is not a compilation module, but is included in mem0mem.* ! @@ -53,10 +54,10 @@ static ibool mem_hash_initialized = FALSE; typedef struct mem_hash_node_struct mem_hash_node_t; struct mem_hash_node_struct { UT_LIST_NODE_T(mem_hash_node_t) - list; /* hash list node */ - mem_heap_t* heap; /* memory heap */ + list; /*!< hash list node */ + mem_heap_t* heap; /*!< memory heap */ const char* file_name;/* file where heap was created*/ - ulint line; /* file line of creation */ + ulint line; /*!< file line of creation */ ulint nth_heap;/* this is the nth heap created */ UT_LIST_NODE_T(mem_hash_node_t) all_list;/* list of all created heaps */ @@ -133,7 +134,7 @@ mem_field_trailer_get_check(byte* field) #endif /* UNIV_MEM_DEBUG */ #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Initializes the memory system. */ UNIV_INTERN void @@ -172,7 +173,7 @@ mem_init( #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_MEM_DEBUG -/********************************************************************** +/******************************************************************//** Initializes an allocated memory field in the debug version. */ UNIV_INTERN void @@ -219,7 +220,7 @@ mem_field_init( mem_init_buf(usr_buf, n); } -/********************************************************************** +/******************************************************************//** Erases an allocated memory field in the debug version. */ UNIV_INTERN void @@ -246,7 +247,7 @@ mem_field_erase( mem_erase_buf(buf, MEM_SPACE_NEEDED(n)); } -/******************************************************************* +/***************************************************************//** Initializes a buffer to a random combination of hex BA and BE. Used to initialize allocated memory. */ UNIV_INTERN @@ -272,7 +273,7 @@ mem_init_buf( UNIV_MEM_INVALID(buf, n); } -/******************************************************************* +/***************************************************************//** Initializes a buffer to a random combination of hex DE and AD. Used to erase freed memory. */ UNIV_INTERN @@ -280,7 +281,7 @@ void mem_erase_buf( /*==========*/ byte* buf, /*!< in: pointer to buffer */ - ulint n) /*!< in: length of buffer */ + ulint n) /*!< in: length of buffer */ { byte* ptr; @@ -297,7 +298,7 @@ mem_erase_buf( UNIV_MEM_FREE(buf, n); } -/******************************************************************* +/***************************************************************//** Inserts a created memory heap to the hash table of current allocated memory heaps. */ UNIV_INTERN @@ -335,7 +336,7 @@ mem_hash_insert( mutex_exit(&mem_hash_mutex); } -/******************************************************************* +/***************************************************************//** Removes a memory heap (which is going to be freed by the caller) from the list of live memory heaps. Returns the size of the heap in terms of how much memory in bytes was allocated for the user of @@ -416,7 +417,7 @@ mem_hash_remove( #endif /* UNIV_MEM_DEBUG */ #if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG -/******************************************************************* +/***************************************************************//** Checks a memory heap for consistency and prints the contents if requested. Outputs the sum of sizes of buffers given to the user (only in the debug version), the physical size of the heap and the number of @@ -591,7 +592,7 @@ completed: *error = FALSE; } -/****************************************************************** +/**************************************************************//** Prints the contents of a memory heap. */ static void @@ -616,7 +617,7 @@ mem_heap_print( ut_a(!error); } -/****************************************************************** +/**************************************************************//** Validates the contents of a memory heap. @return TRUE if ok */ UNIV_INTERN @@ -645,7 +646,7 @@ mem_heap_validate( #endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ #ifdef UNIV_DEBUG -/****************************************************************** +/**************************************************************//** Checks that an object is a memory heap (or a block of it). @return TRUE if ok */ UNIV_INTERN @@ -661,7 +662,7 @@ mem_heap_check( #endif /* UNIV_DEBUG */ #ifdef UNIV_MEM_DEBUG -/********************************************************************* +/*****************************************************************//** TRUE if no memory is currently allocated. @return TRUE if no heaps exist */ UNIV_INTERN @@ -699,7 +700,7 @@ mem_all_freed(void) } } -/********************************************************************* +/*****************************************************************//** Validates the dynamic memory allocation system. @return TRUE if error */ UNIV_INTERN @@ -774,7 +775,7 @@ mem_validate_no_assert(void) return(error); } -/**************************************************************** +/************************************************************//** Validates the dynamic memory @return TRUE if ok */ UNIV_INTERN @@ -788,7 +789,7 @@ mem_validate(void) } #endif /* UNIV_MEM_DEBUG */ -/**************************************************************** +/************************************************************//** Tries to find neigboring memory allocation blocks and dumps to stderr the neighborhood of a given pointer. */ UNIV_INTERN @@ -897,7 +898,7 @@ mem_analyze_corruption( } #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Prints information of dynamic memory usage and currently allocated memory heaps or buffers. Can only be used in the debug version. */ static @@ -1001,7 +1002,7 @@ next_heap: #endif } -/********************************************************************* +/*****************************************************************//** Prints information of dynamic memory usage and currently allocated memory heaps or buffers. Can only be used in the debug version. */ UNIV_INTERN @@ -1012,7 +1013,7 @@ mem_print_info(void) mem_print_info_low(TRUE); } -/********************************************************************* +/*****************************************************************//** Prints information of dynamic memory usage and currently allocated memory heaps or buffers since the last ..._print_info or..._print_new_info. */ UNIV_INTERN diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 840b3decbf8..53a4c0cfd15 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file mem/mem0mem.c The memory management Created 6/9/1994 Heikki Tuuri @@ -97,7 +98,7 @@ UT_LIST_BASE_NODE_T(mem_block_t) mem_block_list; #endif -/************************************************************************** +/**********************************************************************//** Duplicates a NUL-terminated string, allocated from a memory heap. @return own: a copy of the string */ UNIV_INTERN @@ -110,7 +111,7 @@ mem_heap_strdup( return(mem_heap_dup(heap, str, strlen(str) + 1)); } -/************************************************************************** +/**********************************************************************//** Duplicate a block of data, allocated from a memory heap. @return own: a copy of the data */ UNIV_INTERN @@ -124,7 +125,7 @@ mem_heap_dup( return(memcpy(mem_heap_alloc(heap, len), data, len)); } -/************************************************************************** +/**********************************************************************//** Concatenate two memory blocks and return the result, using a memory heap. @return own: the result */ UNIV_INTERN @@ -145,7 +146,7 @@ mem_heap_cat( return(res); } -/************************************************************************** +/**********************************************************************//** Concatenate two strings and return the result, using a memory heap. @return own: the result */ UNIV_INTERN @@ -171,7 +172,7 @@ mem_heap_strcat( } -/******************************************************************** +/****************************************************************//** Helper function for mem_heap_printf. @return length of formatted string, including terminating NUL */ static @@ -280,7 +281,7 @@ mem_heap_printf_low( return(len); } -/******************************************************************** +/****************************************************************//** A simple (s)printf replacement that dynamically allocates the space for the formatted string from the given heap. This supports a very limited set of the printf syntax: types 's' and 'u' and length modifier 'l' (which is @@ -313,9 +314,10 @@ mem_heap_printf( return(str); } -/******************************************************************* +/***************************************************************//** Creates a memory heap block where data can be allocated. -@return own: memory heap block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return own: memory heap block, NULL if did not succeed (only possible +for MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_create_block( @@ -421,9 +423,10 @@ mem_heap_create_block( return(block); } -/******************************************************************* +/***************************************************************//** Adds a new block to a memory heap. -@return created block, NULL if did not succeed (only possible for MEM_HEAP_BTR_SEARCH type heaps) */ +@return created block, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ UNIV_INTERN mem_block_t* mem_heap_add_block( @@ -475,7 +478,7 @@ mem_heap_add_block( return(new_block); } -/********************************************************************** +/******************************************************************//** Frees a block from a memory heap. */ UNIV_INTERN void @@ -536,7 +539,7 @@ mem_heap_block_free( } #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Frees the free_block field from a memory heap. */ UNIV_INTERN void @@ -554,7 +557,7 @@ mem_heap_free_block_free( #endif /* !UNIV_HOTBACKUP */ #ifdef MEM_PERIODIC_CHECK -/********************************************************************** +/******************************************************************//** Goes through the list of all allocated mem blocks, checks their magic numbers, and reports possible corruption. */ UNIV_INTERN diff --git a/mem/mem0pool.c b/mem/mem0pool.c index 41e6df66ce5..c8fea97a6a3 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file mem/mem0pool.c The lowest-level memory management Created 5/12/1997 Heikki Tuuri @@ -89,28 +90,28 @@ and for the adaptive index. Thus, for each individual transaction, its locks can occupy at most about the size of the buffer frame of memory in the common pool, and after that its locks will grow into the buffer pool. */ -/* Mask used to extract the free bit from area->size */ +/** Mask used to extract the free bit from area->size */ #define MEM_AREA_FREE 1 -/* The smallest memory area total size */ +/** The smallest memory area total size */ #define MEM_AREA_MIN_SIZE (2 * MEM_AREA_EXTRA_SIZE) -/* Data structure for a memory pool. The space is allocated using the buddy +/** Data structure for a memory pool. The space is allocated using the buddy algorithm, where free list i contains areas of size 2 to power i. */ struct mem_pool_struct{ - byte* buf; /* memory pool */ - ulint size; /* memory common pool size */ - ulint reserved; /* amount of currently allocated + byte* buf; /*!< memory pool */ + ulint size; /*!< memory common pool size */ + ulint reserved; /*!< amount of currently allocated memory */ - mutex_t mutex; /* mutex protecting this struct */ + mutex_t mutex; /*!< mutex protecting this struct */ UT_LIST_BASE_NODE_T(mem_area_t) - free_list[64]; /* lists of free memory areas: an + free_list[64]; /*!< lists of free memory areas: an area is put to the list whose number is the 2-logarithm of the area size */ }; -/* The common memory pool */ +/** The common memory pool */ UNIV_INTERN mem_pool_t* mem_comm_pool = NULL; /* We use this counter to check that the mem pool mutex does not leak; @@ -119,7 +120,7 @@ mysql@lists.mysql.com */ UNIV_INTERN ulint mem_n_threads_inside = 0; -/************************************************************************ +/********************************************************************//** Reserves the mem pool mutex. */ UNIV_INTERN void @@ -129,7 +130,7 @@ mem_pool_mutex_enter(void) mutex_enter(&(mem_comm_pool->mutex)); } -/************************************************************************ +/********************************************************************//** Releases the mem pool mutex. */ UNIV_INTERN void @@ -139,7 +140,7 @@ mem_pool_mutex_exit(void) mutex_exit(&(mem_comm_pool->mutex)); } -/************************************************************************ +/********************************************************************//** Returns memory area size. @return size */ UNIV_INLINE @@ -151,7 +152,7 @@ mem_area_get_size( return(area->size_and_free & ~MEM_AREA_FREE); } -/************************************************************************ +/********************************************************************//** Sets memory area size. */ UNIV_INLINE void @@ -164,7 +165,7 @@ mem_area_set_size( | size; } -/************************************************************************ +/********************************************************************//** Returns memory area free bit. @return TRUE if free */ UNIV_INLINE @@ -179,7 +180,7 @@ mem_area_get_free( return(area->size_and_free & MEM_AREA_FREE); } -/************************************************************************ +/********************************************************************//** Sets memory area free bit. */ UNIV_INLINE void @@ -195,7 +196,7 @@ mem_area_set_free( | free; } -/************************************************************************ +/********************************************************************//** Creates a memory pool. @return memory pool */ UNIV_INTERN @@ -259,7 +260,7 @@ mem_pool_create( return(pool); } -/************************************************************************ +/********************************************************************//** Fills the specified free list. @return TRUE if we were able to insert a block to the free list */ static @@ -330,7 +331,7 @@ mem_pool_fill_free_list( return(TRUE); } -/************************************************************************ +/********************************************************************//** Allocates memory from a pool. NOTE: This low-level function should only be used in mem0mem.*! @return own: allocated memory buffer */ @@ -434,7 +435,7 @@ mem_area_alloc( return((void*)(MEM_AREA_EXTRA_SIZE + ((byte*)area))); } -/************************************************************************ +/********************************************************************//** Gets the buddy of an area, if it exists in pool. @return the buddy, NULL if no buddy in pool */ UNIV_INLINE @@ -474,7 +475,7 @@ mem_area_get_buddy( return(buddy); } -/************************************************************************ +/********************************************************************//** Frees memory to a pool. */ UNIV_INTERN void @@ -603,7 +604,7 @@ mem_area_free( ut_ad(mem_pool_validate(pool)); } -/************************************************************************ +/********************************************************************//** Validates a memory pool. @return TRUE if ok */ UNIV_INTERN @@ -650,7 +651,7 @@ mem_pool_validate( return(TRUE); } -/************************************************************************ +/********************************************************************//** Prints info of a memory pool. */ UNIV_INTERN void @@ -683,7 +684,7 @@ mem_pool_print_info( mutex_exit(&(pool->mutex)); } -/************************************************************************ +/********************************************************************//** Returns the amount of reserved memory. @return reserved memory in bytes */ UNIV_INTERN diff --git a/mtr/mtr0log.c b/mtr/mtr0log.c index b200dde5389..a2f39434a90 100644 --- a/mtr/mtr0log.c +++ b/mtr/mtr0log.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file mtr/mtr0log.c Mini-transaction log routines Created 12/7/1995 Heikki Tuuri @@ -36,7 +37,7 @@ Created 12/7/1995 Heikki Tuuri #ifndef UNIV_HOTBACKUP # include "dict0boot.h" -/************************************************************ +/********************************************************//** Catenates n bytes to the mtr log. */ UNIV_INTERN void @@ -58,7 +59,7 @@ mlog_catenate_string( dyn_push_string(mlog, str, len); } -/************************************************************ +/********************************************************//** Writes the initial part of a log record consisting of one-byte item type and four-byte space and page numbers. Also pushes info to the mtr memo that a buffer page has been modified. */ @@ -91,7 +92,7 @@ mlog_write_initial_log_record( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Parses an initial log record written by mlog_write_initial_log_record. @return parsed record end, NULL if not a complete record */ UNIV_INTERN @@ -131,7 +132,7 @@ mlog_parse_initial_log_record( return(ptr); } -/************************************************************ +/********************************************************//** Parses a log record written by mlog_write_ulint or mlog_write_dulint. @return parsed record end, NULL if not a complete record or a corrupt record */ UNIV_INTERN @@ -239,7 +240,7 @@ mlog_parse_nbytes( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Writes 1 - 4 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -285,7 +286,7 @@ mlog_write_ulint( mlog_close(mtr, log_ptr); } -/************************************************************ +/********************************************************//** Writes 8 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -321,7 +322,7 @@ mlog_write_dulint( mlog_close(mtr, log_ptr); } -/************************************************************ +/********************************************************//** Writes a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -341,7 +342,7 @@ mlog_write_string( mlog_log_string(ptr, len, mtr); } -/************************************************************ +/********************************************************//** Logs a write of a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ UNIV_INTERN @@ -379,7 +380,7 @@ mlog_log_string( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Parses a log record written by mlog_write_string. @return parsed record end, NULL if not a complete record */ UNIV_INTERN @@ -430,7 +431,7 @@ mlog_parse_string( } #ifndef UNIV_HOTBACKUP -/************************************************************ +/********************************************************//** Opens a buffer for mlog, writes the initial log record and, if needed, the field lengths of an index. @return buffer, NULL if log mode MTR_LOG_NONE */ @@ -528,7 +529,7 @@ mlog_open_and_write_index( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Parses a log record written by mlog_open_and_write_index. @return parsed record end, NULL if not a complete record */ UNIV_INTERN diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 75778fc79d5..be31c5df801 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file mtr/mtr0mtr.c Mini-transaction buffer Created 11/26/1995 Heikki Tuuri @@ -34,7 +35,7 @@ Created 11/26/1995 Heikki Tuuri #include "log0log.h" #ifndef UNIV_HOTBACKUP -/********************************************************************* +/*****************************************************************//** Releases the item in the slot given. */ UNIV_INLINE void @@ -70,7 +71,7 @@ mtr_memo_slot_release( slot->object = NULL; } -/************************************************************** +/**********************************************************//** Releases the mlocks and other objects stored in an mtr memo. They are released in the order opposite to which they were pushed to the memo. NOTE! It is essential that the x-rw-lock on a modified buffer page is not released before @@ -103,7 +104,7 @@ mtr_memo_pop_all( } } -/**************************************************************** +/************************************************************//** Writes the contents of a mini-transaction log, if any, to the database log. */ static void @@ -163,7 +164,7 @@ mtr_log_reserve_and_write( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Commits a mini-transaction. */ UNIV_INTERN void @@ -208,7 +209,7 @@ mtr_commit( } #ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Releases the latches stored in an mtr memo down to a savepoint. NOTE! The mtr must not have made changes to buffer pages after the savepoint, as these can be handled only by mtr_commit. */ @@ -242,7 +243,7 @@ mtr_rollback_to_savepoint( } } -/******************************************************* +/***************************************************//** Releases an object in the memo stack. */ UNIV_INTERN void @@ -279,7 +280,7 @@ mtr_memo_release( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************ +/********************************************************//** Reads 1 - 4 bytes from a file page buffered in the buffer pool. @return value read */ UNIV_INTERN @@ -304,7 +305,7 @@ mtr_read_ulint( } } -/************************************************************ +/********************************************************//** Reads 8 bytes from a file page buffered in the buffer pool. @return value read */ UNIV_INTERN @@ -323,7 +324,7 @@ mtr_read_dulint( #ifdef UNIV_DEBUG # ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Checks if memo contains the given page. @return TRUE if contains */ UNIV_INTERN @@ -337,7 +338,7 @@ mtr_memo_contains_page( return(mtr_memo_contains(mtr, buf_block_align(ptr), type)); } -/************************************************************* +/*********************************************************//** Prints info of an mtr handle. */ UNIV_INTERN void diff --git a/os/os0file.c b/os/os0file.c index b9b7fb2ebc0..9286a35eae8 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file os/os0file.c The interface to the operating system file i/o primitives Created 10/21/1995 Heikki Tuuri @@ -49,9 +50,11 @@ Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to my_umask */ #ifndef __WIN__ +/** Umask for creating files */ UNIV_INTERN ulint os_innodb_umask = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; #else +/** Umask for creating files */ UNIV_INTERN ulint os_innodb_umask = 0; #endif @@ -126,40 +129,42 @@ the completed IO request and calls completion routine on it. **********************************************************************/ +/** Flag: enable debug printout for asynchronous i/o */ UNIV_INTERN ibool os_aio_print_debug = FALSE; -/* The aio array slot structure */ +/** The asynchronous i/o array slot structure */ typedef struct os_aio_slot_struct os_aio_slot_t; +/** The asynchronous i/o array slot structure */ struct os_aio_slot_struct{ - ibool is_read; /* TRUE if a read operation */ - ulint pos; /* index of the slot in the aio + ibool is_read; /*!< TRUE if a read operation */ + ulint pos; /*!< index of the slot in the aio array */ - ibool reserved; /* TRUE if this slot is reserved */ - time_t reservation_time;/* time when reserved */ - ulint len; /* length of the block to read or + ibool reserved; /*!< TRUE if this slot is reserved */ + time_t reservation_time;/*!< time when reserved */ + ulint len; /*!< length of the block to read or write */ - byte* buf; /* buffer used in i/o */ - ulint type; /* OS_FILE_READ or OS_FILE_WRITE */ - ulint offset; /* 32 low bits of file offset in + byte* buf; /*!< buffer used in i/o */ + ulint type; /*!< OS_FILE_READ or OS_FILE_WRITE */ + ulint offset; /*!< 32 low bits of file offset in bytes */ - ulint offset_high; /* 32 high bits of file offset */ - os_file_t file; /* file where to read or write */ - const char* name; /* file name or path */ - ibool io_already_done;/* used only in simulated aio: + ulint offset_high; /*!< 32 high bits of file offset */ + os_file_t file; /*!< file where to read or write */ + const char* name; /*!< file name or path */ + ibool io_already_done;/*!< used only in simulated aio: TRUE if the physical i/o already made and only the slot message needs to be passed to the caller of os_aio_simulated_handle */ - fil_node_t* message1; /* message which is given by the */ - void* message2; /* the requester of an aio operation + fil_node_t* message1; /*!< message which is given by the */ + void* message2; /*!< the requester of an aio operation and which can be used to identify which pending aio operation was completed */ #ifdef WIN_ASYNC_IO - os_event_t event; /* event object we need in the + os_event_t event; /*!< event object we need in the OVERLAPPED struct */ - OVERLAPPED control; /* Windows control block for the + OVERLAPPED control; /*!< Windows control block for the aio request */ #elif defined(LINUX_NATIVE_AIO) struct iocb control; /* Linux control block for aio */ @@ -168,36 +173,44 @@ struct os_aio_slot_struct{ #endif }; -/* The aio array structure */ +/** The asynchronous i/o array structure */ typedef struct os_aio_array_struct os_aio_array_t; +/** The asynchronous i/o array structure */ struct os_aio_array_struct{ - os_mutex_t mutex; /* the mutex protecting the aio array */ - os_event_t not_full; /* The event which is set to the signaled - state when there is space in the aio - outside the ibuf segment */ - os_event_t is_empty; /* The event which is set to the signaled - state when there are no pending i/os - in this array */ - ulint n_slots; /* Total number of slots in the aio array. - This must be divisible by n_threads. */ - ulint n_segments;/* Number of segments in the aio array of - pending aio requests. A thread can wait - separately for any one of the segments. */ - ulint cur_seg; /* We reserve IO requests in round robin - to different segments. This points to the - segment that is to be used to service - next IO request. */ - ulint n_reserved;/* Number of reserved slots in the - aio array outside the ibuf segment */ - os_aio_slot_t* slots; /* Pointer to the slots in the array */ + os_mutex_t mutex; /*!< the mutex protecting the aio array */ + os_event_t not_full; + /*!< The event which is set to the + signaled state when there is space in + the aio outside the ibuf segment */ + os_event_t is_empty; + /*!< The event which is set to the + signaled state when there are no + pending i/os in this array */ + ulint n_slots;/*!< Total number of slots in the aio + array. This must be divisible by + n_threads. */ + ulint n_segments; + /*!< Number of segments in the aio + array of pending aio requests. A + thread can wait separately for any one + of the segments. */ + ulint cur_seg;/*!< We reserve IO requests in round + robin fashion to different segments. + This points to the segment that is to + be used to service next IO request. */ + ulint n_reserved; + /*!< Number of reserved slots in the + aio array outside the ibuf segment */ + os_aio_slot_t* slots; /*!< Pointer to the slots in the array */ #ifdef __WIN__ os_native_event_t* native_events; - /* Pointer to an array of OS native event - handles where we copied the handles from - slots, in the same order. This can be used - in WaitForMultipleObjects; used only in - Windows */ + /*!< Pointer to an array of OS native + event handles where we copied the + handles from slots, in the same + order. This can be used in + WaitForMultipleObjects; used only in + Windows */ #endif #if defined(LINUX_NATIVE_AIO) @@ -214,31 +227,32 @@ struct os_aio_array_struct{ }; #if defined(LINUX_NATIVE_AIO) -/* timeout for each io_getevents() call = 500ms. */ +/** timeout for each io_getevents() call = 500ms. */ #define OS_AIO_REAP_TIMEOUT (500000000UL) -/* time to sleep, in microseconds if io_setup() returns EAGAIN. */ +/** time to sleep, in microseconds if io_setup() returns EAGAIN. */ #define OS_AIO_IO_SETUP_RETRY_SLEEP (500000UL) -/* number of attempts before giving up on io_setup(). */ +/** number of attempts before giving up on io_setup(). */ #define OS_AIO_IO_SETUP_RETRY_ATTEMPTS 5 #endif -/* Array of events used in simulated aio */ +/** Array of events used in simulated aio */ static os_event_t* os_aio_segment_wait_events = NULL; -/* The aio arrays for non-ibuf i/o and ibuf i/o, as well as sync aio. These -are NULL when the module has not yet been initialized. */ -static os_aio_array_t* os_aio_read_array = NULL; -static os_aio_array_t* os_aio_write_array = NULL; -static os_aio_array_t* os_aio_ibuf_array = NULL; -static os_aio_array_t* os_aio_log_array = NULL; -static os_aio_array_t* os_aio_sync_array = NULL; +/** The aio arrays for non-ibuf i/o and ibuf i/o, as well as sync aio. These +are NULL when the module has not yet been initialized. @{ */ +static os_aio_array_t* os_aio_read_array = NULL; /*!< Reads */ +static os_aio_array_t* os_aio_write_array = NULL; /*!< Writes */ +static os_aio_array_t* os_aio_ibuf_array = NULL; /*!< Insert buffer */ +static os_aio_array_t* os_aio_log_array = NULL; /*!< Redo log */ +static os_aio_array_t* os_aio_sync_array = NULL; /*!< Synchronous I/O */ +/* @} */ -/* Total number of segments. */ +/** Number of asynchronous I/O segments. Set by os_aio_init(). */ static ulint os_aio_n_segments = ULINT_UNDEFINED; -/* If the following is TRUE, read i/o handler threads try to +/** If the following is TRUE, read i/o handler threads try to wait until a batch of new read requests have been posted */ static ibool os_aio_recommend_sleep_for_read_threads = FALSE; #endif /* !UNIV_HOTBACKUP */ @@ -255,15 +269,19 @@ UNIV_INTERN time_t os_last_printout; UNIV_INTERN ibool os_has_said_disk_full = FALSE; #ifndef UNIV_HOTBACKUP -/* The mutex protecting the following counts of pending I/O operations */ +/** The mutex protecting the following counts of pending I/O operations */ static os_mutex_t os_file_count_mutex; #endif /* !UNIV_HOTBACKUP */ +/** Number of pending os_file_pread() operations */ UNIV_INTERN ulint os_file_n_pending_preads = 0; +/** Number of pending os_file_pwrite() operations */ UNIV_INTERN ulint os_file_n_pending_pwrites = 0; +/** Number of pending write operations */ UNIV_INTERN ulint os_n_pending_writes = 0; +/** Number of pending read operations */ UNIV_INTERN ulint os_n_pending_reads = 0; -/*************************************************************************** +/***********************************************************************//** Gets the operating system version. Currently works only on Windows. @return OS_WIN95, OS_WIN31, OS_WINNT, OS_WIN2000 */ UNIV_INTERN @@ -299,7 +317,7 @@ os_get_os_version(void) #endif } -/*************************************************************************** +/***********************************************************************//** Retrieves the last error number if an error occurs in a file io function. The number should be retrieved before any other OS calls (because they may overwrite the error number). If the number is not known to this program, @@ -451,7 +469,7 @@ os_file_get_last_error( #endif } -/******************************************************************** +/****************************************************************//** Does error handling when a file operation fails. Conditionally exits (calling exit(3)) based on should_exit value and the error type @@ -528,7 +546,7 @@ os_file_handle_error_cond_exit( return(FALSE); } -/******************************************************************** +/****************************************************************//** Does error handling when a file operation fails. @return TRUE if we should retry the operation */ static @@ -542,7 +560,7 @@ os_file_handle_error( return(os_file_handle_error_cond_exit(name, operation, TRUE)); } -/******************************************************************** +/****************************************************************//** Does error handling when a file operation fails. @return TRUE if we should retry the operation */ static @@ -565,7 +583,7 @@ os_file_handle_error_no_exit( # undef USE_FILE_LOCK #endif #ifdef USE_FILE_LOCK -/******************************************************************** +/****************************************************************//** Obtain an exclusive lock on a file. @return 0 on success */ static @@ -599,7 +617,7 @@ os_file_lock( #endif /* USE_FILE_LOCK */ #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Creates the seek mutexes used in positioned reads and writes. */ UNIV_INTERN void @@ -615,7 +633,7 @@ os_io_init_simple(void) } } -/*************************************************************************** +/***********************************************************************//** Creates a temporary file. This function is like tmpfile(3), but the temporary file is created in the MySQL temporary directory. On Netware, this function is like tmpfile(3), because the C run-time @@ -653,7 +671,7 @@ os_file_create_tmpfile(void) } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** The os_file_opendir() function opens a directory stream corresponding to the directory named by the dirname argument. The directory stream is positioned at the first entry. In both Unix and Windows we automatically skip the '.' @@ -712,7 +730,7 @@ os_file_opendir( #endif } -/*************************************************************************** +/***********************************************************************//** Closes a directory stream. @return 0 if success, -1 if failure */ UNIV_INTERN @@ -746,7 +764,7 @@ os_file_closedir( #endif } -/*************************************************************************** +/***********************************************************************//** This function returns information of the next file in the directory. We jump over the '.' and '..' entries in the directory. @return 0 if ok, -1 if error, 1 if at the end of the directory */ @@ -896,7 +914,7 @@ next_file: #endif } -/********************************************************************* +/*****************************************************************//** This function attempts to create a directory named pathname. The new directory gets default permissions. On Unix the permissions are (0770 & ~umask). If the directory exists already, nothing is done and the call succeeds, unless the @@ -941,9 +959,10 @@ os_file_create_directory( #endif } -/******************************************************************** +/****************************************************************//** A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple( @@ -1005,7 +1024,7 @@ try_again: NULL, /* default security attributes */ create_flag, attributes, - NULL); /* no template file */ + NULL); /*!< no template file */ if (file == INVALID_HANDLE_VALUE) { *success = FALSE; @@ -1081,9 +1100,10 @@ try_again: #endif /* __WIN__ */ } -/******************************************************************** +/****************************************************************//** A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create_simple_no_error_handling( @@ -1125,7 +1145,7 @@ os_file_create_simple_no_error_handling( } else if (access_type == OS_FILE_READ_ALLOW_DELETE) { access = GENERIC_READ; share_mode = FILE_SHARE_DELETE | FILE_SHARE_READ - | FILE_SHARE_WRITE; /* A backup program has to give + | FILE_SHARE_WRITE; /*!< A backup program has to give mysqld the maximum freedom to do what it likes with the file */ @@ -1140,7 +1160,7 @@ os_file_create_simple_no_error_handling( NULL, /* default security attributes */ create_flag, attributes, - NULL); /* no template file */ + NULL); /*!< no template file */ if (file == INVALID_HANDLE_VALUE) { *success = FALSE; @@ -1192,7 +1212,7 @@ os_file_create_simple_no_error_handling( #endif /* __WIN__ */ } -/******************************************************************** +/****************************************************************//** Tries to disable OS caching on an opened file descriptor. */ UNIV_INTERN void @@ -1235,9 +1255,10 @@ os_file_set_nocache( #endif } -/******************************************************************** +/****************************************************************//** Opens an existing file or creates a new. -@return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t os_file_create( @@ -1339,7 +1360,7 @@ try_again: NULL, /* default security attributes */ create_flag, attributes, - NULL); /* no template file */ + NULL); /*!< no template file */ if (file == INVALID_HANDLE_VALUE) { *success = FALSE; @@ -1492,7 +1513,7 @@ try_again: #endif /* __WIN__ */ } -/*************************************************************************** +/***********************************************************************//** Deletes a file if it exists. The file has to be closed before calling this. @return TRUE if success */ UNIV_INTERN @@ -1554,7 +1575,7 @@ loop: #endif } -/*************************************************************************** +/***********************************************************************//** Deletes a file. The file has to be closed before calling this. @return TRUE if success */ UNIV_INTERN @@ -1617,7 +1638,7 @@ loop: #endif } -/*************************************************************************** +/***********************************************************************//** Renames a file (can also move it to another directory). It is safest that the file is closed before calling this function. @return TRUE if success */ @@ -1656,7 +1677,7 @@ os_file_rename( #endif } -/*************************************************************************** +/***********************************************************************//** Closes a file handle. In case of error, error number can be retrieved with os_file_get_last_error. @return TRUE if success */ @@ -1695,7 +1716,7 @@ os_file_close( #endif } -/*************************************************************************** +/***********************************************************************//** Closes a file handle. @return TRUE if success */ UNIV_INTERN @@ -1730,7 +1751,7 @@ os_file_close_no_error_handling( #endif } -/*************************************************************************** +/***********************************************************************//** Gets a file size. @return TRUE if success */ UNIV_INTERN @@ -1778,7 +1799,7 @@ os_file_get_size( #endif } -/*************************************************************************** +/***********************************************************************//** Gets file size as a 64-bit integer ib_int64_t. @return size in bytes, -1 if error */ UNIV_INTERN @@ -1801,7 +1822,7 @@ os_file_get_size_as_iblonglong( return((((ib_int64_t)size_high) << 32) + (ib_int64_t)size); } -/*************************************************************************** +/***********************************************************************//** Write the specified number of zeros to a newly created file. @return TRUE if success */ UNIV_INTERN @@ -1890,7 +1911,7 @@ error_handling: return(FALSE); } -/*************************************************************************** +/***********************************************************************//** Truncates a file at its current position. @return TRUE if success */ UNIV_INTERN @@ -1908,7 +1929,7 @@ os_file_set_eof( } #ifndef __WIN__ -/*************************************************************************** +/***********************************************************************//** Wrapper to fsync(2) that retries the call on some errors. Returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error. @@ -1956,7 +1977,7 @@ os_file_fsync( } #endif /* !__WIN__ */ -/*************************************************************************** +/***********************************************************************//** Flushes the write buffers of a given file to the disk. @return TRUE if success */ UNIV_INTERN @@ -2055,7 +2076,7 @@ os_file_flush( } #ifndef __WIN__ -/*********************************************************************** +/*******************************************************************//** Does a synchronous read operation in Posix. @return number of bytes read, -1 if error */ static @@ -2140,7 +2161,7 @@ os_file_pread( #endif } -/*********************************************************************** +/*******************************************************************//** Does a synchronous write operation in Posix. @return number of bytes written, -1 if error */ static @@ -2254,7 +2275,7 @@ func_exit: } #endif -/*********************************************************************** +/*******************************************************************//** Requests a synchronous positioned read operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN @@ -2369,7 +2390,7 @@ error_handling: return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Requests a synchronous positioned read operation. This function does not do any error handling. In case of error it returns FALSE. @return TRUE if request was successful, FALSE if fail */ @@ -2466,7 +2487,7 @@ error_handling: return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Rewind file to its start, read at most size - 1 bytes from it to str, and NUL-terminate str. All errors are silently ignored. This function is mostly meant to be used with temporary files. */ @@ -2489,7 +2510,7 @@ os_file_read_string( str[flen] = '\0'; } -/*********************************************************************** +/*******************************************************************//** Requests a synchronous write operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN @@ -2678,7 +2699,7 @@ retry: #endif } -/*********************************************************************** +/*******************************************************************//** Check the existence and type of the given file. @return TRUE if call succeeded */ UNIV_INTERN @@ -2750,7 +2771,7 @@ os_file_status( #endif } -/*********************************************************************** +/*******************************************************************//** This function returns information about the specified file @return TRUE if stat information found */ UNIV_INTERN @@ -2835,7 +2856,7 @@ os_file_get_status( # define OS_FILE_PATH_SEPARATOR '/' #endif -/******************************************************************** +/****************************************************************//** The function os_file_dirname returns a directory component of a null-terminated pathname string. In the usual case, dirname returns the string up to, but not including, the final '/', and basename @@ -2890,7 +2911,7 @@ os_file_dirname( return(mem_strdupl(path, last_slash - path)); } -/******************************************************************** +/****************************************************************//** Creates all missing subdirectories along the given path. @return TRUE if call succeeded FALSE otherwise */ UNIV_INTERN @@ -2931,7 +2952,7 @@ os_file_create_subdirs_if_needed( } #ifndef UNIV_HOTBACKUP -/******************************************************************** +/****************************************************************//** Returns a pointer to the nth slot in the aio array. @return pointer to slot */ static @@ -2947,7 +2968,7 @@ os_aio_array_get_nth_slot( } #if defined(LINUX_NATIVE_AIO) -/********************************************************************** +/******************************************************************//** Creates an io_context for native linux AIO. @return TRUE on success. */ static @@ -3034,7 +3055,7 @@ retry: } #endif /* LINUX_NATIVE_AIO */ -/********************************************************************** +/******************************************************************//** Creates an aio wait array. Note that we return NULL in case of failure. We don't care about freeing memory here because we assume that a failure will result in server refusing to start up. @@ -3043,8 +3064,9 @@ static os_aio_array_t* os_aio_array_create( /*================*/ - ulint n, /*!< in: maximum number of pending aio operations - allowed; n must be divisible by n_segments */ + ulint n, /*!< in: maximum number of pending aio + operations allowed; n must be + divisible by n_segments */ ulint n_segments) /*!< in: number of segments in the aio array */ { os_aio_array_t* array; @@ -3132,7 +3154,7 @@ skip_native_aio: return(array); } -/**************************************************************************** +/************************************************************************//** Initializes the asynchronous io system. Calls also os_io_init_simple. Creates a separate aio array for non-ibuf read and write, a third aio array for the ibuf i/o, with just one @@ -3234,7 +3256,7 @@ err_exit: } #ifdef WIN_ASYNC_IO -/**************************************************************************** +/************************************************************************//** Wakes up all async i/o threads in the array in Windows async i/o at shutdown. */ static @@ -3252,7 +3274,7 @@ os_aio_array_wake_win_aio_at_shutdown( } #endif -/**************************************************************************** +/************************************************************************//** Wakes up all async i/o threads so that they know to exit themselves in shutdown. */ UNIV_INTERN @@ -3290,7 +3312,7 @@ os_aio_wake_all_threads_at_shutdown(void) } } -/**************************************************************************** +/************************************************************************//** Waits until there are no pending writes in os_aio_write_array. There can be other, synchronous, pending writes. */ UNIV_INTERN @@ -3301,9 +3323,10 @@ os_aio_wait_until_no_pending_writes(void) os_event_wait(os_aio_write_array->is_empty); } -/************************************************************************** +/**********************************************************************//** Calculates segment number for a slot. -@return segment number (which is the number used by, for example, i/o-handler threads) */ +@return segment number (which is the number used by, for example, +i/o-handler threads) */ static ulint os_aio_get_segment_no_from_slot( @@ -3337,7 +3360,7 @@ os_aio_get_segment_no_from_slot( return(segment); } -/************************************************************************** +/**********************************************************************//** Calculates local segment number and aio array from global segment number. @return local segment number within the aio array */ static @@ -3372,7 +3395,7 @@ os_aio_get_array_and_local_segment( return(segment); } -/*********************************************************************** +/*******************************************************************//** Requests for a slot in the aio array. If no slot is available, waits until not_full-event becomes signaled. @return pointer to slot */ @@ -3529,7 +3552,7 @@ skip_native_aio: return(slot); } -/*********************************************************************** +/*******************************************************************//** Frees a slot in the aio array. */ static void @@ -3579,7 +3602,7 @@ os_aio_array_free_slot( os_mutex_exit(array->mutex); } -/************************************************************************** +/**********************************************************************//** Wakes up a simulated aio i/o-handler thread if it has something to do. */ static void @@ -3621,7 +3644,7 @@ os_aio_simulated_wake_handler_thread( } } -/************************************************************************** +/**********************************************************************//** Wakes up simulated aio i/o-handler threads if they have something to do. */ UNIV_INTERN void @@ -3643,7 +3666,7 @@ os_aio_simulated_wake_handler_threads(void) } } -/************************************************************************** +/**********************************************************************//** This function can be called if one wants to post a batch of reads and prefers an i/o-handler thread to handle them all at once later. You must call os_aio_simulated_wake_handler_threads later to ensure the threads @@ -3669,7 +3692,7 @@ os_aio_simulated_put_read_threads_to_sleep(void) } #if defined(LINUX_NATIVE_AIO) -/*********************************************************************** +/*******************************************************************//** Dispatch an AIO request to the kernel. @return TRUE on success. */ static @@ -3716,7 +3739,7 @@ os_aio_linux_dispatch( #endif /* LINUX_NATIVE_AIO */ -/*********************************************************************** +/*******************************************************************//** Requests an asynchronous i/o operation. @return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN @@ -3923,7 +3946,7 @@ err_exit: } #ifdef WIN_ASYNC_IO -/************************************************************************** +/**********************************************************************//** This function is only used in Windows asynchronous i/o. Waits for an aio operation to complete. This function is used to wait the for completed requests. The aio array of pending requests is divided @@ -4031,7 +4054,7 @@ os_aio_windows_handle( #endif #if defined(LINUX_NATIVE_AIO) -/********************************************************************** +/******************************************************************//** This function is only used in Linux native asynchronous i/o. This is called from within the io-thread. If there are no completed IO requests in the slot array, the thread calls this function to collect more @@ -4165,7 +4188,7 @@ retry: return; } -/************************************************************************** +/**********************************************************************//** This function is only used in Linux native asynchronous i/o. Waits for an aio operation to complete. This function is used to wait for the completed requests. The aio array of pending requests is divided @@ -4278,10 +4301,9 @@ found: return(ret); } - #endif /* LINUX_NATIVE_AIO */ -/************************************************************************** +/**********************************************************************//** Does simulated aio. This function should be called by an i/o-handler thread. @return TRUE if the aio operation succeeded */ @@ -4602,7 +4624,7 @@ recommended_sleep: goto restart; } -/************************************************************************** +/**********************************************************************//** Validates the consistency of an aio array. @return TRUE if ok */ static @@ -4638,7 +4660,7 @@ os_aio_array_validate( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Validates the consistency the aio system. @return TRUE if ok */ UNIV_INTERN @@ -4655,7 +4677,7 @@ os_aio_validate(void) return(TRUE); } -/************************************************************************** +/**********************************************************************//** Prints pending IO requests per segment of an aio array. We probably don't need per segment statistics but they can help us during development phase to see if the IO requests are being @@ -4689,7 +4711,7 @@ os_aio_print_segment_info( fprintf(file, "] "); } -/************************************************************************** +/**********************************************************************//** Prints info of the aio arrays. */ UNIV_INTERN void @@ -4833,7 +4855,7 @@ loop: os_last_printout = current_time; } -/************************************************************************** +/**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void @@ -4849,7 +4871,7 @@ os_aio_refresh_stats(void) } #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Checks that all slots in the system have been freed, that is, there are no pending io operations. @return TRUE if all free */ diff --git a/os/os0proc.c b/os/os0proc.c index 49bcf0210ce..e0d21378ad9 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file os/os0proc.c The interface to the operating system process control primitives @@ -43,7 +44,7 @@ UNIV_INTERN ibool os_use_large_pages; /* Large page size. This may be a boot-time option on some platforms */ UNIV_INTERN ulint os_large_page_size; -/******************************************************************** +/****************************************************************//** Converts the current process id to a number. It is not guaranteed that the number is unique. In Linux returns the 'process number' of the current thread. That number is the same as one sees in 'top', for example. In Linux @@ -61,7 +62,7 @@ os_proc_get_number(void) #endif } -/******************************************************************** +/****************************************************************//** Allocates large pages memory. @return allocated memory */ UNIV_INTERN @@ -172,7 +173,7 @@ skip: return(ptr); } -/******************************************************************** +/****************************************************************//** Frees large pages memory. */ UNIV_INTERN void @@ -228,7 +229,7 @@ os_mem_free_large( #endif } -/******************************************************************** +/****************************************************************//** Sets the priority boost for threads released from waiting within the current process. */ UNIV_INTERN diff --git a/os/os0sync.c b/os/os0sync.c index 2fb6a5c6582..729ca383269 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file os/os0sync.c The interface to the operating system synchronization primitives. @@ -37,9 +38,9 @@ Created 9/6/1995 Heikki Tuuri /* Type definition for an operating system mutex struct */ struct os_mutex_struct{ - os_event_t event; /* Used by sync0arr.c for queing threads */ - void* handle; /* OS handle to mutex */ - ulint count; /* we use this counter to check + os_event_t event; /*!< Used by sync0arr.c for queing threads */ + void* handle; /*!< OS handle to mutex */ + ulint count; /*!< we use this counter to check that the same thread does not recursively lock the mutex: we do not assume that the OS mutex @@ -49,19 +50,21 @@ struct os_mutex_struct{ /* list of all 'slow' OS mutexes created */ }; -/* Mutex protecting counts and the lists of OS mutexes and events */ +/** Mutex protecting counts and the lists of OS mutexes and events */ UNIV_INTERN os_mutex_t os_sync_mutex; +/** TRUE if os_sync_mutex has been initialized */ static ibool os_sync_mutex_inited = FALSE; +/** TRUE when os_sync_free() is being executed */ static ibool os_sync_free_called = FALSE; -/* This is incremented by 1 in os_thread_create and decremented by 1 in +/** This is incremented by 1 in os_thread_create and decremented by 1 in os_thread_exit */ UNIV_INTERN ulint os_thread_count = 0; -/* The list of all events created */ +/** The list of all events created */ static UT_LIST_BASE_NODE_T(os_event_struct_t) os_event_list; -/* The list of all OS 'slow' mutexes */ +/** The list of all OS 'slow' mutexes */ static UT_LIST_BASE_NODE_T(os_mutex_str_t) os_mutex_list; UNIV_INTERN ulint os_event_count = 0; @@ -73,7 +76,7 @@ event embedded inside a mutex, on free, this generates a recursive call. This version of the free event function doesn't acquire the global lock */ static void os_event_free_internal(os_event_t event); -/************************************************************* +/*********************************************************//** Initializes global event and OS 'slow' mutex lists. */ UNIV_INTERN void @@ -88,7 +91,7 @@ os_sync_init(void) os_sync_mutex_inited = TRUE; } -/************************************************************* +/*********************************************************//** Frees created events and OS 'slow' mutexes. */ UNIV_INTERN void @@ -125,7 +128,7 @@ os_sync_free(void) os_sync_free_called = FALSE; } -/************************************************************* +/*********************************************************//** Creates an event semaphore, i.e., a semaphore which may just have two states: signaled and nonsignaled. The created event is manual reset: it must be reset explicitly by calling sync_os_reset_event. @@ -194,7 +197,7 @@ os_event_create( } #ifdef __WIN__ -/************************************************************* +/*********************************************************//** Creates an auto-reset event semaphore, i.e., an event which is automatically reset when a single thread is released. Works only in Windows. @return the event handle */ @@ -234,7 +237,7 @@ os_event_create_auto( } #endif -/************************************************************** +/**********************************************************//** Sets an event semaphore to the signaled state: lets waiting threads proceed. */ UNIV_INTERN @@ -263,7 +266,7 @@ os_event_set( #endif } -/************************************************************** +/**********************************************************//** Resets an event semaphore to the nonsignaled state. Waiting threads will stop to wait for the event. The return value should be passed to os_even_wait_low() if it is desired @@ -300,7 +303,7 @@ os_event_reset( return(ret); } -/************************************************************** +/**********************************************************//** Frees an event object, without acquiring the global lock. */ static void @@ -329,7 +332,7 @@ os_event_free_internal( ut_free(event); } -/************************************************************** +/**********************************************************//** Frees an event object. */ UNIV_INTERN void @@ -361,7 +364,7 @@ os_event_free( ut_free(event); } -/************************************************************** +/**********************************************************//** Waits for an event object until it is in the signaled state. If srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the waiting thread when the event becomes signaled (or immediately if the @@ -440,7 +443,7 @@ os_event_wait_low( #endif } -/************************************************************** +/**********************************************************//** Waits for an event object until it is in the signaled state or a timeout is exceeded. In Unix the timeout is always infinite. @return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ @@ -485,7 +488,7 @@ os_event_wait_time( } #ifdef __WIN__ -/************************************************************** +/**********************************************************//** Waits for any event in an OS native event array. Returns if even a single one is signaled or becomes signaled. @return index of the event which was signaled */ @@ -508,7 +511,7 @@ os_event_wait_multiple( FALSE, /* Wait for any 1 event */ INFINITE); /* Infinite wait time limit */ - ut_a(index >= WAIT_OBJECT_0); /* NOTE: Pointless comparision */ + ut_a(index >= WAIT_OBJECT_0); /* NOTE: Pointless comparison */ ut_a(index < WAIT_OBJECT_0 + n); if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { @@ -519,7 +522,7 @@ os_event_wait_multiple( } #endif -/************************************************************* +/*********************************************************//** Creates an operating system mutex semaphore. Because these are slow, the mutex semaphore of InnoDB itself (mutex_t) should be used where possible. @return the mutex handle */ @@ -570,7 +573,7 @@ os_mutex_create( return(mutex_str); } -/************************************************************** +/**********************************************************//** Acquires ownership of a mutex semaphore. */ UNIV_INTERN void @@ -599,7 +602,7 @@ os_mutex_enter( #endif } -/************************************************************** +/**********************************************************//** Releases ownership of a mutex. */ UNIV_INTERN void @@ -619,7 +622,7 @@ os_mutex_exit( #endif } -/************************************************************** +/**********************************************************//** Frees a mutex object. */ UNIV_INTERN void @@ -656,7 +659,7 @@ os_mutex_free( #endif } -/************************************************************* +/*********************************************************//** Initializes an operating system fast mutex semaphore. */ UNIV_INTERN void @@ -685,7 +688,7 @@ os_fast_mutex_init( } } -/************************************************************** +/**********************************************************//** Acquires ownership of a fast mutex. */ UNIV_INTERN void @@ -700,7 +703,7 @@ os_fast_mutex_lock( #endif } -/************************************************************** +/**********************************************************//** Releases ownership of a fast mutex. */ UNIV_INTERN void @@ -715,7 +718,7 @@ os_fast_mutex_unlock( #endif } -/************************************************************** +/**********************************************************//** Frees a mutex object. */ UNIV_INTERN void diff --git a/os/os0thread.c b/os/os0thread.c index fcdf12b206c..9a2d95cb166 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file os/os0thread.c The interface to the operating system thread control primitives Created 9/8/1995 Heikki Tuuri @@ -35,7 +36,7 @@ Created 9/8/1995 Heikki Tuuri #include "srv0srv.h" #include "os0sync.h" -/******************************************************************* +/***************************************************************//** Compares two thread ids for equality. @return TRUE if equal */ UNIV_INTERN @@ -60,7 +61,7 @@ os_thread_eq( #endif } -/******************************************************************** +/****************************************************************//** Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is unique for the thread though! @return thread identifier as a number */ @@ -80,7 +81,7 @@ os_thread_pf( #endif } -/********************************************************************* +/*****************************************************************//** Returns the thread identifier of current thread. Currently the thread identifier in Unix is the thread handle itself. Note that in HP-UX pthread_t is a struct of 3 fields. @@ -97,7 +98,7 @@ os_thread_get_curr_id(void) #endif } -/******************************************************************** +/****************************************************************//** Creates a new thread of execution. The execution starts from the function given. The start function takes a void* parameter and returns an ulint. @@ -212,7 +213,7 @@ os_thread_create( #endif } -/********************************************************************* +/*****************************************************************//** Exits the current thread. */ UNIV_INTERN void @@ -236,7 +237,7 @@ os_thread_exit( #endif } -/********************************************************************* +/*****************************************************************//** Returns handle to the current thread. @return current thread handle */ UNIV_INTERN @@ -251,7 +252,7 @@ os_thread_get_curr(void) #endif } -/********************************************************************* +/*****************************************************************//** Advises the os to give up remainder of the thread's time slice. */ UNIV_INTERN void @@ -272,7 +273,7 @@ os_thread_yield(void) } #endif /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** The thread sleeps at least the time given in microseconds. */ UNIV_INTERN void @@ -295,7 +296,7 @@ os_thread_sleep( } #ifndef UNIV_HOTBACKUP -/********************************************************************** +/******************************************************************//** Sets a thread priority. */ UNIV_INTERN void @@ -324,7 +325,7 @@ os_thread_set_priority( #endif } -/********************************************************************** +/******************************************************************//** Gets a thread priority. @return priority */ UNIV_INTERN @@ -356,7 +357,7 @@ os_thread_get_priority( #endif } -/********************************************************************** +/******************************************************************//** Gets the last operating system error code for the calling thread. @return last error on Windows, 0 otherwise */ UNIV_INTERN diff --git a/page/page0cur.c b/page/page0cur.c index c43b95d6dbf..65f3ba67439 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file page/page0cur.c The page cursor Created 10/4/1994 Heikki Tuuri @@ -39,7 +40,7 @@ Created 10/4/1994 Heikki Tuuri static ulint page_cur_short_succ = 0; # endif /* UNIV_SEARCH_PERF_STAT */ -/*********************************************************************** +/*******************************************************************//** This is a linear congruential generator PRNG. Returns a pseudo random number between 0 and 2^64-1 inclusive. The formula and the constants being used are: @@ -73,7 +74,7 @@ page_cur_lcg_prng(void) return(lcg_current); } -/******************************************************************** +/****************************************************************//** Tries a search shortcut based on the last insert. @return TRUE on success */ UNIV_INLINE @@ -188,7 +189,7 @@ exit_func: #endif #ifdef PAGE_CUR_LE_OR_EXTENDS -/******************************************************************** +/****************************************************************//** Checks if the nth field in a record is a character type field which extends the nth field in tuple, i.e., the field is longer or equal in length and has common first characters. @@ -238,7 +239,7 @@ page_cur_rec_field_extends( } #endif /* PAGE_CUR_LE_OR_EXTENDS */ -/******************************************************************** +/****************************************************************//** Searches the right position for a page cursor. */ UNIV_INTERN void @@ -536,7 +537,7 @@ up_rec_match: } } -/*************************************************************** +/***********************************************************//** Positions a page cursor on a randomly chosen user record on a page. If there are no user records, sets the cursor on the infimum record. */ UNIV_INTERN @@ -563,7 +564,7 @@ page_cur_open_on_rnd_user_rec( } while (rnd--); } -/*************************************************************** +/***********************************************************//** Writes the log record of a record insert on a page. */ static void @@ -748,7 +749,7 @@ need_extra_info: # define page_cur_insert_rec_write_log(ins_rec,size,cur,index,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a log record of a record insert on a page. @return end of log record or NULL */ UNIV_INTERN @@ -939,7 +940,7 @@ page_cur_parse_insert_rec( return(ptr + end_seg_len); } -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor on an uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. The cursor stays at the same position. @@ -957,13 +958,13 @@ page_cur_insert_rec_low( { byte* insert_buf; ulint rec_size; - page_t* page; /* the relevant page */ - rec_t* last_insert; /* cursor position at previous + page_t* page; /*!< the relevant page */ + rec_t* last_insert; /*!< cursor position at previous insert */ - rec_t* free_rec; /* a free record that was reused, + rec_t* free_rec; /*!< a free record that was reused, or NULL */ - rec_t* insert_rec; /* inserted record */ - ulint heap_no; /* heap number of the inserted + rec_t* insert_rec; /*!< inserted record */ + ulint heap_no; /*!< heap number of the inserted record */ ut_ad(rec_offs_validate(rec, index, offsets)); @@ -1151,7 +1152,7 @@ use_heap: return(insert_rec); } -/*************************************************************** +/***********************************************************//** Compresses or reorganizes a page after an optimistic insert. @return rec if succeed, NULL otherwise */ static @@ -1201,7 +1202,7 @@ page_cur_insert_rec_zip_reorg( return(NULL); } -/*************************************************************** +/***********************************************************//** Inserts a record next to page cursor on a compressed and uncompressed page. Returns pointer to inserted record if succeed, i.e., enough space available, NULL otherwise. @@ -1221,13 +1222,13 @@ page_cur_insert_rec_zip( { byte* insert_buf; ulint rec_size; - page_t* page; /* the relevant page */ - rec_t* last_insert; /* cursor position at previous + page_t* page; /*!< the relevant page */ + rec_t* last_insert; /*!< cursor position at previous insert */ - rec_t* free_rec; /* a free record that was reused, + rec_t* free_rec; /*!< a free record that was reused, or NULL */ - rec_t* insert_rec; /* inserted record */ - ulint heap_no; /* heap number of the inserted + rec_t* insert_rec; /*!< inserted record */ + ulint heap_no; /*!< heap number of the inserted record */ page_zip_des_t* page_zip; @@ -1499,9 +1500,10 @@ use_heap: } #ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Writes a log record of copying a record list end to a new created page. -@return 4-byte field where to write the log data length, or NULL if logging is disabled */ +@return 4-byte field where to write the log data length, or NULL if +logging is disabled */ UNIV_INLINE byte* page_copy_rec_list_to_created_page_write_log( @@ -1526,7 +1528,7 @@ page_copy_rec_list_to_created_page_write_log( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************** +/**********************************************************//** Parses a log record of copying a record list end to a new created page. @return end of log record or NULL */ UNIV_INTERN @@ -1583,7 +1585,7 @@ page_parse_copy_rec_list_to_created_page( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Copies records from page to a newly created page, from a given record onward, including that record. Infimum and supremum records are not copied. */ UNIV_INTERN @@ -1756,7 +1758,7 @@ page_copy_rec_list_end_to_created_page( mtr_set_log_mode(mtr, log_mode); } -/*************************************************************** +/***********************************************************//** Writes log record of a record delete on a page. */ UNIV_INLINE void @@ -1790,7 +1792,7 @@ page_cur_delete_rec_write_log( # define page_cur_delete_rec_write_log(rec,index,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses log record of a record delete on a page. @return pointer to record end or NULL */ UNIV_INTERN @@ -1839,7 +1841,7 @@ page_cur_parse_delete_rec( return(ptr); } -/*************************************************************** +/***********************************************************//** Deletes a record at the page cursor. The cursor is moved to the next record after the deleted one. */ UNIV_INTERN @@ -1959,7 +1961,7 @@ page_cur_delete_rec( #ifdef UNIV_COMPILE_TEST_FUNCS -/*********************************************************************** +/*******************************************************************//** Print the first n numbers, generated by page_cur_lcg_prng() to make sure (visually) that it works properly. */ void diff --git a/page/page0page.c b/page/page0page.c index c2a1ab7b609..12d0bbe8969 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file page/page0page.c Index page routines Created 2/2/1994 Heikki Tuuri @@ -82,7 +83,7 @@ Assuming a page size of 8 kB, a typical index page of a secondary index contains 300 index entries, and the size of the page directory is 50 x 4 bytes = 200 bytes. */ -/******************************************************************* +/***************************************************************//** Looks for the directory slot which owns the given record. @return the directory slot number */ UNIV_INTERN @@ -158,7 +159,7 @@ page_dir_find_owner_slot( return(((ulint) (first_slot - slot)) / PAGE_DIR_SLOT_SIZE); } -/****************************************************************** +/**************************************************************//** Used to check the consistency of a directory slot. @return TRUE if succeed */ static @@ -201,7 +202,7 @@ page_dir_slot_check( return(TRUE); } -/***************************************************************** +/*************************************************************//** Sets the max trx id field value. */ UNIV_INTERN void @@ -246,7 +247,7 @@ page_set_max_trx_id( #endif /* !UNIV_HOTBACKUP */ } -/**************************************************************** +/************************************************************//** Allocates a block of memory from the heap of an index page. @return pointer to start of allocated buffer, or NULL if allocation fails */ UNIV_INTERN @@ -285,7 +286,7 @@ page_mem_alloc_heap( } #ifndef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Writes a log record of page creation. */ UNIV_INLINE void @@ -304,7 +305,7 @@ page_create_write_log( # define page_create_write_log(frame,mtr,comp) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of creating a page. @return end of log record or NULL */ UNIV_INTERN @@ -328,7 +329,7 @@ page_parse_create( return(ptr); } -/************************************************************** +/**********************************************************//** The index page creation function. @return pointer to the page */ static @@ -481,7 +482,7 @@ page_create_low( return(page); } -/************************************************************** +/**********************************************************//** Create an uncompressed B-tree index page. @return pointer to the page */ UNIV_INTERN @@ -497,7 +498,7 @@ page_create( return(page_create_low(block, comp)); } -/************************************************************** +/**********************************************************//** Create a compressed B-tree index page. @return pointer to the page */ UNIV_INTERN @@ -530,7 +531,7 @@ page_create_zip( return(page); } -/***************************************************************** +/*************************************************************//** Differs from page_copy_rec_list_end, because this function does not touch the lock table and max trx id on page or compress the page. */ UNIV_INTERN @@ -602,11 +603,12 @@ page_copy_rec_list_end_no_locks( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Copies records from page to new_page, from a given record onward, including that record. Infimum and supremum records are not copied. The records are copied to the start of the record list on new_page. -@return pointer to the original successor of the infimum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ +@return pointer to the original successor of the infimum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_end( @@ -706,11 +708,12 @@ page_copy_rec_list_end( return(ret); } -/***************************************************************** +/*************************************************************//** Copies records from page to new_page, up to the given record, NOT including that record. Infimum and supremum records are not copied. The records are copied to the end of the record list on new_page. -@return pointer to the original predecessor of the supremum record on new_page, or NULL on zip overflow (new_block will be decompressed) */ +@return pointer to the original predecessor of the supremum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ UNIV_INTERN rec_t* page_copy_rec_list_start( @@ -820,7 +823,7 @@ page_copy_rec_list_start( return(ret); } -/************************************************************** +/**********************************************************//** Writes a log record of a record list end or start deletion. */ UNIV_INLINE void @@ -849,7 +852,7 @@ page_delete_rec_list_write_log( # define page_delete_rec_list_write_log(rec,index,type,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/************************************************************** +/**********************************************************//** Parses a log record of a record list end or start deletion. @return end of log record or NULL */ UNIV_INTERN @@ -905,7 +908,7 @@ page_parse_delete_rec_list( return(ptr); } -/***************************************************************** +/*************************************************************//** Deletes records from a page from a given record onward, including that record. The infimum and supremum records are not deleted. */ UNIV_INTERN @@ -1081,7 +1084,7 @@ page_delete_rec_list_end( (ulint)(page_get_n_recs(page) - n_recs)); } -/***************************************************************** +/*************************************************************//** Deletes records from page, up to the given record, NOT including that record. Infimum and supremum records are not deleted. */ UNIV_INTERN @@ -1154,10 +1157,11 @@ page_delete_rec_list_start( } #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Moves record list end to another page. Moved records include split_rec. -@return TRUE on success; FALSE on compression failure (new_block will be decompressed) */ +@return TRUE on success; FALSE on compression failure (new_block will +be decompressed) */ UNIV_INTERN ibool page_move_rec_list_end( @@ -1207,7 +1211,7 @@ page_move_rec_list_end( return(TRUE); } -/***************************************************************** +/*************************************************************//** Moves record list start to another page. Moved records do not include split_rec. @return TRUE on success; FALSE on compression failure */ @@ -1231,7 +1235,7 @@ page_move_rec_list_start( return(TRUE); } -/*************************************************************************** +/***********************************************************************//** This is a low-level operation which is used in a database index creation to update the page number of a created B-tree to a data dictionary record. */ UNIV_INTERN @@ -1254,7 +1258,7 @@ page_rec_write_index_page_no( } #endif /* !UNIV_HOTBACKUP */ -/****************************************************************** +/**************************************************************//** Used to delete n slots from the directory. This function updates also n_owned fields in the records, so that the first slot after the deleted ones inherits the records of the deleted slots. */ @@ -1303,7 +1307,7 @@ page_dir_delete_slot( page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots - 1); } -/****************************************************************** +/**************************************************************//** Used to add n slots to the directory. Does not set the record pointers in the added slots or update n_owned values: this is the responsibility of the caller. */ @@ -1332,7 +1336,7 @@ page_dir_add_slot( (n_slots - 1 - start) * PAGE_DIR_SLOT_SIZE); } -/******************************************************************** +/****************************************************************//** Splits a directory slot which owns too many records. */ UNIV_INTERN void @@ -1393,7 +1397,7 @@ page_dir_split_slot( page_dir_slot_set_n_owned(slot, page_zip, n_owned - (n_owned / 2)); } -/***************************************************************** +/*************************************************************//** Tries to balance the given directory slot with too few records with the upper neighbor, so that there are at least the minimum number of records owned by the slot; this may result in the merging of two slots. */ @@ -1465,7 +1469,7 @@ page_dir_balance_slot( } #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Returns the middle record of the record list. If there are an even number of records in the list, returns the first record of the upper half-list. @return middle record */ @@ -1514,7 +1518,7 @@ page_get_middle_rec( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Returns the number of records before the given record in chain. The number includes infimum and supremum records. @return number of records */ @@ -1579,7 +1583,7 @@ page_rec_get_n_recs_before( } #ifndef UNIV_HOTBACKUP -/**************************************************************** +/************************************************************//** Prints record contents including the data relevant only in the index page context. */ UNIV_INTERN @@ -1609,7 +1613,7 @@ page_rec_print( rec_validate(rec, offsets); } -/******************************************************************* +/***************************************************************//** This is used to print the contents of the directory for debugging purposes. */ UNIV_INTERN @@ -1651,7 +1655,7 @@ page_dir_print( (ulong) (PAGE_HEAP_NO_USER_LOW + page_get_n_recs(page))); } -/******************************************************************* +/***************************************************************//** This is used to print the contents of the page record list for debugging purposes. */ UNIV_INTERN @@ -1722,7 +1726,7 @@ page_print_list( } } -/******************************************************************* +/***************************************************************//** Prints the info in a page header. */ UNIV_INTERN void @@ -1749,7 +1753,7 @@ page_header_print( (ulong) page_header_get_field(page, PAGE_N_DIRECTION)); } -/******************************************************************* +/***************************************************************//** This is used to print the contents of the page for debugging purposes. */ UNIV_INTERN @@ -1771,7 +1775,7 @@ page_print( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** The following is used to validate a record on a page. This function differs from rec_validate as it can also check the n_owned field and the heap_no field. @@ -1820,7 +1824,7 @@ page_rec_validate( } #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Checks that the first directory slot points to the infimum record and the last to the supremum. This function is intended to track if the bug fixed in 4.0.14 has caused corruption to users' databases. */ @@ -1857,7 +1861,7 @@ page_check_dir( } #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash even if the page is total garbage. @@ -2067,7 +2071,7 @@ func_exit: return(ret); } -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page when we do not know the index. This is also resilient so that this should never crash even if the page is total garbage. @@ -2278,7 +2282,7 @@ func_exit: return(ret); } -/******************************************************************* +/***************************************************************//** This function checks the consistency of an index page. @return TRUE if ok */ UNIV_INTERN @@ -2553,7 +2557,7 @@ func_exit2: } #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Looks in the page record list for a record with the given heap number. @return record, NULL if not found */ UNIV_INTERN diff --git a/page/page0zip.c b/page/page0zip.c index 3ef172978d8..5af77c7b1b9 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file page/page0zip.c Compressed page interface Created June 2005 by Marko Makela @@ -55,15 +56,18 @@ compressed page format. */ /* The infimum and supremum records are omitted from the compressed page. On compress, we compare that the records are there, and on uncompress we restore the records. */ +/** Extra bytes of an infimum record */ static const byte infimum_extra[] = { 0x01, /* info_bits=0, n_owned=1 */ 0x00, 0x02 /* heap_no=0, status=2 */ /* ?, ? */ /* next=(first user rec, or supremum) */ }; +/** Data bytes of an infimum record */ static const byte infimum_data[] = { 0x69, 0x6e, 0x66, 0x69, 0x6d, 0x75, 0x6d, 0x00 /* "infimum\0" */ }; +/** Extra bytes and data bytes of a supremum record */ static const byte supremum_extra_data[] = { /* 0x0?, */ /* info_bits=0, n_owned=1..8 */ 0x00, 0x0b, /* heap_no=1, status=3 */ @@ -73,10 +77,13 @@ static const byte supremum_extra_data[] = { }; /** Assert that a block of memory is filled with zero bytes. -Compare at most sizeof(field_ref_zero) bytes. */ +Compare at most sizeof(field_ref_zero) bytes. +@param b in: memory block +@param s in: size of the memory block, in bytes */ #define ASSERT_ZERO(b, s) \ ut_ad(!memcmp(b, field_ref_zero, ut_min(s, sizeof field_ref_zero))) -/** Assert that a BLOB pointer is filled with zero bytes. */ +/** Assert that a BLOB pointer is filled with zero bytes. +@param b in: BLOB pointer */ #define ASSERT_ZERO_BLOB(b) \ ut_ad(!memcmp(b, field_ref_zero, sizeof field_ref_zero)) @@ -85,7 +92,7 @@ independently of any UNIV_ debugging conditions. */ #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG # include __attribute__((format (printf, 1, 2))) -/************************************************************************** +/**********************************************************************//** Report a failure to decompress or compress. @return number of characters printed */ static @@ -106,13 +113,17 @@ page_zip_fail_func( return(res); } +/** Wrapper for page_zip_fail_func() +@param fmt_args in: printf(3) format string and arguments */ # define page_zip_fail(fmt_args) page_zip_fail_func fmt_args #else /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +/** Dummy wrapper for page_zip_fail_func() +@param fmt_args ignored: printf(3) format string and arguments */ # define page_zip_fail(fmt_args) /* empty */ #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Determine the guaranteed free space on an empty page. @return minimum payload size on the page */ UNIV_INTERN @@ -137,7 +148,7 @@ page_zip_empty_size( } #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Gets the size of the compressed page trailer (the dense page directory), including deleted records (the free list). @return length of dense page directory, in bytes */ @@ -154,7 +165,7 @@ page_zip_dir_size( return(size); } -/***************************************************************** +/*************************************************************//** Gets the size of the compressed page trailer (the dense page directory), only including user records (excluding the free list). @return length of dense page directory comprising existing records, in bytes */ @@ -170,7 +181,7 @@ page_zip_dir_user_size( return(size); } -/***************************************************************** +/*************************************************************//** Find the slot of the given record in the dense page directory. @return dense directory slot, or NULL if record not found */ UNIV_INLINE @@ -193,7 +204,7 @@ page_zip_dir_find_low( return(NULL); } -/***************************************************************** +/*************************************************************//** Find the slot of the given non-free record in the dense page directory. @return dense directory slot, or NULL if record not found */ UNIV_INLINE @@ -212,7 +223,7 @@ page_zip_dir_find( offset)); } -/***************************************************************** +/*************************************************************//** Find the slot of the given free record in the dense page directory. @return dense directory slot, or NULL if record not found */ UNIV_INLINE @@ -231,9 +242,10 @@ page_zip_dir_find_free( offset)); } -/***************************************************************** +/*************************************************************//** Read a given slot in the dense page directory. -@return record offset on the uncompressed page, possibly ORed with PAGE_ZIP_DIR_SLOT_DEL or PAGE_ZIP_DIR_SLOT_OWNED */ +@return record offset on the uncompressed page, possibly ORed with +PAGE_ZIP_DIR_SLOT_DEL or PAGE_ZIP_DIR_SLOT_OWNED */ UNIV_INLINE ulint page_zip_dir_get( @@ -249,7 +261,7 @@ page_zip_dir_get( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Write a log record of compressing an index page. */ static void @@ -314,7 +326,7 @@ page_zip_compress_write_log( } #endif /* !UNIV_HOTBACKUP */ -/********************************************************** +/******************************************************//** Determine how many externally stored columns are contained in existing records with smaller heap_no than rec. */ static @@ -363,7 +375,7 @@ page_zip_get_n_prev_extern( return(n_ext); } -/************************************************************************** +/**********************************************************************//** Encode the length of a fixed-length column. @return buf + length of encoded val */ static @@ -391,7 +403,7 @@ page_zip_fixed_field_encode( return(buf); } -/************************************************************************** +/**********************************************************************//** Write the index information for the compressed page. @return used size of buf */ static @@ -519,7 +531,7 @@ page_zip_fields_encode( return((ulint) (buf - buf_start)); } -/************************************************************************** +/**********************************************************************//** Populate the dense page directory from the sparse directory. */ static void @@ -635,7 +647,7 @@ page_zip_dir_encode( ut_a(i + PAGE_HEAP_NO_USER_LOW == n_heap); } -/************************************************************************** +/**********************************************************************//** Allocate memory for zlib. */ static void* @@ -648,7 +660,7 @@ page_zip_malloc( return(mem_heap_alloc(opaque, items * size)); } -/************************************************************************** +/**********************************************************************//** Deallocate memory for zlib. */ static void @@ -659,7 +671,7 @@ page_zip_free( { } -/************************************************************************** +/**********************************************************************//** Configure the zlib allocator to use the given memory heap. */ UNIV_INTERN void @@ -676,23 +688,25 @@ page_zip_set_alloc( } #if 0 || defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +/** Symbol for enabling compression and decompression diagnostics */ # define PAGE_ZIP_COMPRESS_DBG #endif #ifdef PAGE_ZIP_COMPRESS_DBG -/* Set this variable in a debugger to enable +/** Set this variable in a debugger to enable excessive logging in page_zip_compress(). */ UNIV_INTERN ibool page_zip_compress_dbg; -/* Set this variable in a debugger to enable +/** Set this variable in a debugger to enable binary logging of the data passed to deflate(). When this variable is nonzero, it will act as a log file name generator. */ UNIV_INTERN unsigned page_zip_compress_log; -/************************************************************************** -Wrapper for deflate(). Log the operation if page_zip_compress_dbg is set. */ +/**********************************************************************//** +Wrapper for deflate(). Log the operation if page_zip_compress_dbg is set. +@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ static -ibool +int page_zip_compress_deflate( /*======================*/ FILE* logfile,/*!< in: log file, or NULL */ @@ -715,15 +729,24 @@ page_zip_compress_deflate( /* Redefine deflate(). */ # undef deflate +/** Debug wrapper for the zlib compression routine deflate(). +Log the operation if page_zip_compress_dbg is set. +@param strm in/out: compressed stream +@param flush in: flushing method +@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ # define deflate(strm, flush) page_zip_compress_deflate(logfile, strm, flush) +/** Declaration of the logfile parameter */ # define FILE_LOGFILE FILE* logfile, +/** The logfile parameter */ # define LOGFILE logfile, #else /* PAGE_ZIP_COMPRESS_DBG */ +/** Empty declaration of the logfile parameter */ # define FILE_LOGFILE +/** Missing logfile parameter */ # define LOGFILE #endif /* PAGE_ZIP_COMPRESS_DBG */ -/************************************************************************** +/**********************************************************************//** Compress the records of a node pointer page. @return Z_OK, or a zlib error code */ static @@ -788,7 +811,7 @@ page_zip_compress_node_ptrs( return(err); } -/************************************************************************** +/**********************************************************************//** Compress the records of a leaf node of a secondary index. @return Z_OK, or a zlib error code */ static @@ -832,7 +855,7 @@ page_zip_compress_sec( return(err); } -/************************************************************************** +/**********************************************************************//** Compress a record of a leaf node of a clustered index that contains externally stored columns. @return Z_OK, or a zlib error code */ @@ -960,7 +983,7 @@ page_zip_compress_clust_ext( return(Z_OK); } -/************************************************************************** +/**********************************************************************//** Compress the records of a leaf node of a clustered index. @return Z_OK, or a zlib error code */ static @@ -1093,9 +1116,10 @@ func_exit: return(err); } -/************************************************************************** +/**********************************************************************//** Compress a page. -@return TRUE on success, FALSE on failure; page_zip will be left intact on failure. */ +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure. */ UNIV_INTERN ibool page_zip_compress( @@ -1109,12 +1133,12 @@ page_zip_compress( z_stream c_stream; int err; ulint n_fields;/* number of index fields needed */ - byte* fields; /* index field information */ - byte* buf; /* compressed payload of the page */ + byte* fields; /*!< index field information */ + byte* buf; /*!< compressed payload of the page */ byte* buf_end;/* end of buf */ ulint n_dense; ulint slot_size;/* amount of uncompressed bytes per record */ - const rec_t** recs; /* dense page directory, sorted by address */ + const rec_t** recs; /*!< dense page directory, sorted by address */ mem_heap_t* heap; ulint trx_id_col; ulint* offsets = NULL; @@ -1390,7 +1414,7 @@ err_exit: return(TRUE); } -/************************************************************************** +/**********************************************************************//** Compare two page directory entries. @return positive if rec1 > rec2 */ UNIV_INLINE @@ -1403,7 +1427,7 @@ page_zip_dir_cmp( return(rec1 > rec2); } -/************************************************************************** +/**********************************************************************//** Sort the dense page directory by address (heap_no). */ static void @@ -1418,7 +1442,7 @@ page_zip_dir_sort( page_zip_dir_cmp); } -/************************************************************************** +/**********************************************************************//** Deallocate the index information initialized by page_zip_fields_decode(). */ static void @@ -1434,7 +1458,7 @@ page_zip_fields_free( } } -/************************************************************************** +/**********************************************************************//** Read the index information for the compressed page. @return own: dummy index describing the page, or NULL on error */ static @@ -1550,7 +1574,7 @@ page_zip_fields_decode( return(index); } -/************************************************************************** +/**********************************************************************//** Populate the sparse page directory from the dense directory. @return TRUE on success, FALSE on failure */ static @@ -1647,7 +1671,7 @@ page_zip_dir_decode( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Initialize the REC_N_NEW_EXTRA_BYTES of each record. @return TRUE on success, FALSE on failure */ static @@ -1744,7 +1768,7 @@ page_zip_set_extra_bytes( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Apply the modification log to a record containing externally stored columns. Do not copy the fields that are stored separately. @return pointer to modification log, or NULL on failure */ @@ -1833,7 +1857,7 @@ page_zip_apply_log_ext( return(data); } -/************************************************************************** +/**********************************************************************//** Apply the modification log to an uncompressed page. Do not copy the fields that are stored separately. @return pointer to end of modification log, or NULL on failure */ @@ -2034,7 +2058,7 @@ page_zip_apply_log( } } -/************************************************************************** +/**********************************************************************//** Decompress the records of a node pointer page. @return TRUE on success, FALSE on failure */ static @@ -2227,7 +2251,7 @@ zlib_done: return(TRUE); } -/************************************************************************** +/**********************************************************************//** Decompress the records of a leaf node of a secondary index. @return TRUE on success, FALSE on failure */ static @@ -2368,7 +2392,7 @@ zlib_done: return(TRUE); } -/************************************************************************** +/**********************************************************************//** Decompress a record of a leaf node of a clustered index that contains externally stored columns. @return TRUE on success */ @@ -2477,7 +2501,7 @@ page_zip_decompress_clust_ext( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Compress the records of a leaf node of a clustered index. @return TRUE on success, FALSE on failure */ static @@ -2776,7 +2800,7 @@ zlib_done: return(TRUE); } -/************************************************************************** +/**********************************************************************//** Decompress a page. This function should tolerate errors on the compressed page. Instead of letting assertions fail, it will return FALSE if an inconsistency is detected. @@ -2791,7 +2815,7 @@ page_zip_decompress( { z_stream d_stream; dict_index_t* index = NULL; - rec_t** recs; /* dense page directory, sorted by address */ + rec_t** recs; /*!< dense page directory, sorted by address */ ulint n_dense;/* number of user records on the page */ ulint trx_id_col = ULINT_UNDEFINED; mem_heap_t* heap; @@ -2966,7 +2990,7 @@ err_exit: } #ifdef UNIV_ZIP_DEBUG -/************************************************************************** +/**********************************************************************//** Dump a block of memory on the standard error stream. */ static void @@ -3002,7 +3026,7 @@ page_zip_hexdump_func( /* Flag: make page_zip_validate() compare page headers only */ UNIV_INTERN ibool page_zip_validate_header_only = FALSE; -/************************************************************************** +/**********************************************************************//** Check that the compressed and decompressed pages match. @return TRUE if valid, FALSE if not */ UNIV_INTERN @@ -3139,7 +3163,7 @@ func_exit: return(valid); } -/************************************************************************** +/**********************************************************************//** Check that the compressed and decompressed pages match. @return TRUE if valid, FALSE if not */ UNIV_INTERN @@ -3155,7 +3179,7 @@ page_zip_validate( #endif /* UNIV_ZIP_DEBUG */ #ifdef UNIV_DEBUG -/************************************************************************** +/**********************************************************************//** Assert that the compressed and decompressed page headers match. @return TRUE */ static @@ -3176,7 +3200,7 @@ page_zip_header_cmp( } #endif /* UNIV_DEBUG */ -/************************************************************************** +/**********************************************************************//** Write a record on the compressed page that contains externally stored columns. The data must already have been written to the uncompressed page. @return end of modification log */ @@ -3298,7 +3322,7 @@ page_zip_write_rec_ext( return(data); } -/************************************************************************** +/**********************************************************************//** Write an entire record on the compressed page. The data must already have been written to the uncompressed page. */ UNIV_INTERN @@ -3486,7 +3510,7 @@ page_zip_write_rec( #endif /* UNIV_ZIP_DEBUG */ } -/*************************************************************** +/***********************************************************//** Parses a log record of writing a BLOB pointer of a record. @return end of log record or NULL */ UNIV_INTERN @@ -3545,7 +3569,7 @@ corrupt: return(ptr + (2 + 2 + BTR_EXTERN_FIELD_REF_SIZE)); } -/************************************************************************** +/**********************************************************************//** Write a BLOB pointer of a record on the leaf page of a clustered index. The information must already have been updated on the uncompressed page. */ UNIV_INTERN @@ -3629,7 +3653,7 @@ page_zip_write_blob_ptr( } } -/*************************************************************** +/***********************************************************//** Parses a log record of writing the node pointer of a record. @return end of log record or NULL */ UNIV_INTERN @@ -3706,7 +3730,7 @@ corrupt: return(ptr + (2 + 2 + REC_NODE_PTR_SIZE)); } -/************************************************************************** +/**********************************************************************//** Write the node pointer of a record on a non-leaf compressed page. */ UNIV_INTERN void @@ -3773,7 +3797,7 @@ page_zip_write_node_ptr( } } -/************************************************************************** +/**********************************************************************//** Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ UNIV_INTERN void @@ -3848,7 +3872,7 @@ columns if the space is reallocated for a smaller record. */ UNIV_INTERN ibool page_zip_clear_rec_disable; #endif /* UNIV_ZIP_DEBUG */ -/************************************************************************** +/**********************************************************************//** Clear an area on the uncompressed and compressed page, if possible. */ static void @@ -3954,7 +3978,7 @@ page_zip_clear_rec( #endif /* UNIV_ZIP_DEBUG */ } -/************************************************************************** +/**********************************************************************//** Write the "deleted" flag of a record on a compressed page. The flag must already have been written on the uncompressed page. */ UNIV_INTERN @@ -3978,7 +4002,7 @@ page_zip_rec_set_deleted( #endif /* UNIV_ZIP_DEBUG */ } -/************************************************************************** +/**********************************************************************//** Write the "owned" flag of a record on a compressed page. The n_owned field must already have been written on the uncompressed page. */ UNIV_INTERN @@ -3999,7 +4023,7 @@ page_zip_rec_set_owned( } } -/************************************************************************** +/**********************************************************************//** Insert a record to the dense page directory. */ UNIV_INTERN void @@ -4077,7 +4101,7 @@ page_zip_dir_insert( mach_write_to_2(slot_rec - PAGE_ZIP_DIR_SLOT_SIZE, page_offset(rec)); } -/************************************************************************** +/**********************************************************************//** Shift the dense page directory and the array of BLOB pointers when a record is deleted. */ UNIV_INTERN @@ -4175,7 +4199,7 @@ skip_blobs: page_zip_clear_rec(page_zip, rec, index, offsets); } -/************************************************************************** +/**********************************************************************//** Add a slot to the dense page directory. */ UNIV_INTERN void @@ -4231,7 +4255,7 @@ page_zip_dir_add_slot( memmove(stored - PAGE_ZIP_DIR_SLOT_SIZE, stored, dir - stored); } -/*************************************************************** +/***********************************************************//** Parses a log record of writing to the header of a page. @return end of log record or NULL */ UNIV_INTERN @@ -4290,7 +4314,7 @@ corrupt: } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Write a log record of writing to the uncompressed header portion of a page. */ UNIV_INTERN void @@ -4326,7 +4350,7 @@ page_zip_write_header_log( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Reorganize and compress a page. This is a low-level operation for compressed pages, to be used when page_zip_compress() fails. On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. @@ -4335,7 +4359,8 @@ IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the modification will be redo-logged. -@return TRUE on success, FALSE on failure; page and page_zip will be left intact on failure. */ +@return TRUE on success, FALSE on failure; page and page_zip will be +left intact on failure. */ UNIV_INTERN ibool page_zip_reorganize( @@ -4418,7 +4443,7 @@ page_zip_reorganize( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Copy the records of a page byte for byte. Do not copy the page header or trailer, except those B-tree header fields that are directly related to the storage of records. Also copy PAGE_MAX_TRX_ID. @@ -4512,7 +4537,7 @@ page_zip_copy_recs( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Parses a log record of compressing an index page. @return end of log record or NULL */ UNIV_INTERN @@ -4572,7 +4597,7 @@ corrupt: return(ptr + 8 + size + trailer_size); } -/************************************************************************** +/**********************************************************************//** Calculate the compressed page checksum. @return page checksum */ UNIV_INTERN diff --git a/pars/lexyy.c b/pars/lexyy.c index 489752a1900..37d892e51e3 100644 --- a/pars/lexyy.c +++ b/pars/lexyy.c @@ -703,7 +703,7 @@ static int yy_flex_debug = 0; #define YY_RESTORE_YY_MORE_OFFSET static char *yytext; #line 1 "pars0lex.l" -/****************************************************** +/**************************************************//** SQL parser lexical analyzer: input file for the GNU Flex lexer generator (c) 1997 Innobase Oy @@ -747,13 +747,13 @@ Linux. static ulint stringbuf_len_alloc = 0; /* Allocated length */ static ulint stringbuf_len = 0; /* Current length */ static char* stringbuf; /* Start of buffer */ -/* Appends a string to the buffer. */ +/** Appends a string to the buffer. */ static void string_append( /*==========*/ - const char* str, /* in: string to be appended */ - ulint len) /* in: length of the string */ + const char* str, /*!< in: string to be appended */ + ulint len) /*!< in: length of the string */ { if (stringbuf == NULL) { stringbuf = malloc(1); diff --git a/pars/pars0lex.l b/pars/pars0lex.l index 38cb744bd44..4abff65e98b 100644 --- a/pars/pars0lex.l +++ b/pars/pars0lex.l @@ -70,13 +70,13 @@ Created 12/14/1997 Heikki Tuuri static ulint stringbuf_len_alloc = 0; /* Allocated length */ static ulint stringbuf_len = 0; /* Current length */ static char* stringbuf; /* Start of buffer */ -/* Appends a string to the buffer. */ +/** Appends a string to the buffer. */ static void string_append( /*==========*/ - const char* str, /* in: string to be appended */ - ulint len) /* in: length of the string */ + const char* str, /*!< in: string to be appended */ + ulint len) /*!< in: length of the string */ { if (stringbuf == NULL) { stringbuf = malloc(1); diff --git a/pars/pars0opt.c b/pars/pars0opt.c index 7ba7591ebe6..2e392ba4836 100644 --- a/pars/pars0opt.c +++ b/pars/pars0opt.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file pars/pars0opt.c Simple SQL optimizer Created 12/21/1997 Heikki Tuuri @@ -47,7 +48,7 @@ Created 12/21/1997 Heikki Tuuri #define OPT_SCROLL_COND 4 -/*********************************************************************** +/*******************************************************************//** Inverts a comparison operator. @return the equivalent operator when the order of the arguments is switched */ static @@ -73,7 +74,7 @@ opt_invert_cmp_op( return(0); } -/*********************************************************************** +/*******************************************************************//** Checks if the value of an expression can be calculated BEFORE the nth table in a join is accessed. If this is the case, it can possibly be used in an index search for the nth table. @@ -133,7 +134,7 @@ opt_check_exp_determined_before( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Looks in a comparison condition if a column value is already restricted by it BEFORE the nth table is accessed. @return expression restricting the value of the column, or NULL if not known */ @@ -228,7 +229,7 @@ opt_look_for_col_in_comparison_before( return(NULL); } -/*********************************************************************** +/*******************************************************************//** Looks in a search condition if a column value is already restricted by the search condition BEFORE the nth table is accessed. Takes into account that if we will fetch in an ascending order, we cannot utilize an upper limit for @@ -304,7 +305,7 @@ opt_look_for_col_in_cond_before( return(exp); } -/*********************************************************************** +/*******************************************************************//** Calculates the goodness for an index according to a select node. The goodness is 4 times the number of first fields in index whose values we already know exactly in the query. If we have a comparison condition for @@ -388,7 +389,7 @@ opt_calc_index_goodness( return(goodness); } -/*********************************************************************** +/*******************************************************************//** Calculates the number of matched fields based on an index goodness. @return number of excatly or partially matched fields */ UNIV_INLINE @@ -400,7 +401,7 @@ opt_calc_n_fields_from_goodness( return(((goodness % 1024) + 2) / 4); } -/*********************************************************************** +/*******************************************************************//** Converts a comparison operator to the corresponding search mode PAGE_CUR_GE, ... @return search mode */ @@ -437,7 +438,7 @@ opt_op_to_search_mode( return(0); } -/*********************************************************************** +/*******************************************************************//** Determines if a node is an argument node of a function node. @return TRUE if is an argument */ static @@ -463,7 +464,7 @@ opt_is_arg( return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Decides if the fetching of rows should be made in a descending order, and also checks that the chosen query plan produces a result which satisfies the order-by. */ @@ -515,7 +516,7 @@ opt_check_order_by( } } -/*********************************************************************** +/*******************************************************************//** Optimizes a select. Decides which indexes to tables to use. The tables are accessed in the order that they were written to the FROM part in the select statement. */ @@ -611,10 +612,12 @@ opt_search_plan_for_table( btr_pcur_init(&(plan->clust_pcur)); } -/*********************************************************************** +/*******************************************************************//** Looks at a comparison condition and decides if it can, and need, be tested for a table AFTER the table has been accessed. -@return OPT_NOT_COND if not for this table, else OPT_END_COND, OPT_TEST_COND, or OPT_SCROLL_COND, where the last means that the condition need not be tested, except when scroll cursors are used */ +@return OPT_NOT_COND if not for this table, else OPT_END_COND, +OPT_TEST_COND, or OPT_SCROLL_COND, where the last means that the +condition need not be tested, except when scroll cursors are used */ static ulint opt_classify_comparison( @@ -702,7 +705,7 @@ opt_classify_comparison( return(OPT_TEST_COND); } -/*********************************************************************** +/*******************************************************************//** Recursively looks for test conditions for a table in a join. */ static void @@ -747,7 +750,7 @@ opt_find_test_conds( } } -/*********************************************************************** +/*******************************************************************//** Normalizes a list of comparison conditions so that a column of the table appears on the left side of the comparison if possible. This is accomplished by switching the arguments of the operator. */ @@ -789,7 +792,7 @@ opt_normalize_cmp_conds( } } -/*********************************************************************** +/*******************************************************************//** Finds out the search condition conjuncts we can, and need, to test as the ith table in a join is accessed. The search tuple can eliminate the need to test some conjuncts. */ @@ -817,7 +820,7 @@ opt_determine_and_normalize_test_conds( ut_a(UT_LIST_GET_LEN(plan->end_conds) >= plan->n_exact_match); } -/*********************************************************************** +/*******************************************************************//** Looks for occurrences of the columns of the table in the query subgraph and adds them to the list of columns if an occurrence of the same column does not already exist in the list. If the column is already in the list, puts a value @@ -926,7 +929,7 @@ opt_find_all_cols( } } -/*********************************************************************** +/*******************************************************************//** Looks for occurrences of the columns of the table in conditions which are not yet determined AFTER the join operation has fetched a row in the ith table. The values for these column must be copied to dynamic memory for @@ -974,7 +977,7 @@ opt_find_copy_cols( } } -/*********************************************************************** +/*******************************************************************//** Classifies the table columns according to whether we use the column only while holding the latch on the page, or whether we have to copy the column value to dynamic memory. Puts the first occurrence of a column to either list in the @@ -1018,7 +1021,7 @@ opt_classify_cols( sel_node->search_cond); } -/*********************************************************************** +/*******************************************************************//** Fills in the info in plan which is used in accessing a clustered index record. The columns must already be classified for the plan node. */ static @@ -1090,7 +1093,7 @@ opt_clust_access( } } -/*********************************************************************** +/*******************************************************************//** Optimizes a select. Decides which indexes to tables to use. The tables are accessed in the order that they were written to the FROM part in the select statement. */ @@ -1165,7 +1168,7 @@ opt_search_plan( #endif } -/************************************************************************ +/********************************************************************//** Prints info of a query plan. */ UNIV_INTERN void diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 5a2c4629445..9faf36d00a8 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file pars/pars0pars.c SQL parser Created 11/19/1996 Heikki Tuuri @@ -48,10 +49,9 @@ on 1/27/1998 */ #include "eval0eval.h" #ifdef UNIV_SQL_DEBUG -/* If the following is set TRUE, the lexer will print the SQL string +/** If the following is set TRUE, the lexer will print the SQL string as it tokenizes it */ - -ibool pars_print_lexed = FALSE; +UNIV_INTERN ibool pars_print_lexed = FALSE; #endif /* UNIV_SQL_DEBUG */ /* Global variable used while parsing a single procedure or query : the code is @@ -92,12 +92,11 @@ UNIV_INTERN pars_res_word_t pars_share_token = {PARS_SHARE_TOKEN}; UNIV_INTERN pars_res_word_t pars_unique_token = {PARS_UNIQUE_TOKEN}; UNIV_INTERN pars_res_word_t pars_clustered_token = {PARS_CLUSTERED_TOKEN}; -/* Global variable used to denote the '*' in SELECT * FROM.. */ -#define PARS_STAR_DENOTER 12345678 -UNIV_INTERN ulint pars_star_denoter = PARS_STAR_DENOTER; +/** Global variable used to denote the '*' in SELECT * FROM.. */ +UNIV_INTERN ulint pars_star_denoter = 12345678; -/************************************************************************* +/*********************************************************************//** Determines the class of a function code. @return function class: PARS_FUNC_ARITH, ... */ static @@ -142,7 +141,7 @@ pars_func_get_class( } } -/************************************************************************* +/*********************************************************************//** Parses an operator or predefined function expression. @return own: function node in a query tree */ static @@ -171,7 +170,7 @@ pars_func_low( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a function expression. @return own: function node in a query tree */ UNIV_INTERN @@ -184,7 +183,7 @@ pars_func( return(pars_func_low(((pars_res_word_t*)res_word)->code, arg)); } -/************************************************************************* +/*********************************************************************//** Parses an operator expression. @return own: function node in a query tree */ UNIV_INTERN @@ -205,7 +204,7 @@ pars_op( return(pars_func_low(func, arg1)); } -/************************************************************************* +/*********************************************************************//** Parses an ORDER BY clause. Order by a single column only is supported. @return own: order-by node in a query tree */ UNIV_INTERN @@ -233,7 +232,7 @@ pars_order_by( return(node); } -/************************************************************************* +/*********************************************************************//** Determine if a data type is a built-in string data type of the InnoDB SQL parser. @return TRUE if string data type */ @@ -252,7 +251,7 @@ pars_is_string_type( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Resolves the data type of a function in an expression. The argument data types must already be resolved. */ static @@ -345,7 +344,7 @@ pars_resolve_func_data_type( } } -/************************************************************************* +/*********************************************************************//** Resolves the meaning of variables in an expression and the data types of functions. It is an error if some identifier cannot be resolved here. */ static @@ -435,7 +434,7 @@ pars_resolve_exp_variables_and_types( que_node_get_data_type(node)); } -/************************************************************************* +/*********************************************************************//** Resolves the meaning of variables in an expression list. It is an error if some identifier cannot be resolved here. Resolves also the data types of functions. */ @@ -454,7 +453,7 @@ pars_resolve_exp_list_variables_and_types( } } -/************************************************************************* +/*********************************************************************//** Resolves the columns in an expression. */ static void @@ -535,7 +534,7 @@ pars_resolve_exp_columns( } } -/************************************************************************* +/*********************************************************************//** Resolves the meaning of columns in an expression list. */ static void @@ -552,7 +551,7 @@ pars_resolve_exp_list_columns( } } -/************************************************************************* +/*********************************************************************//** Retrieves the table definition for a table name id. */ static void @@ -575,7 +574,7 @@ pars_retrieve_table_def( ut_a(sym_node->table); } -/************************************************************************* +/*********************************************************************//** Retrieves the table definitions for a list of table name ids. @return number of tables */ static @@ -602,7 +601,7 @@ pars_retrieve_table_list_defs( return(count); } -/************************************************************************* +/*********************************************************************//** Adds all columns to the select list if the query is SELECT * FROM ... */ static void @@ -639,7 +638,7 @@ pars_select_all_columns( } } -/************************************************************************* +/*********************************************************************//** Parses a select list; creates a query graph node for the whole SELECT statement. @return own: select node in a query tree */ @@ -662,7 +661,7 @@ pars_select_list( return(node); } -/************************************************************************* +/*********************************************************************//** Checks if the query is an aggregate query, in which case the selct list must contain only aggregate function items. */ static @@ -705,7 +704,7 @@ pars_check_aggregate( } } -/************************************************************************* +/*********************************************************************//** Parses a select statement. @return own: select node in a query tree */ UNIV_INTERN @@ -788,7 +787,7 @@ pars_select_statement( return(select_node); } -/************************************************************************* +/*********************************************************************//** Parses a cursor declaration. @return sym_node */ UNIV_INTERN @@ -809,7 +808,7 @@ pars_cursor_declaration( return(sym_node); } -/************************************************************************* +/*********************************************************************//** Parses a function declaration. @return sym_node */ UNIV_INTERN @@ -829,7 +828,7 @@ pars_function_declaration( return(sym_node); } -/************************************************************************* +/*********************************************************************//** Parses a delete or update statement start. @return own: update node in a query tree */ UNIV_INTERN @@ -853,7 +852,7 @@ pars_update_statement_start( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a column assignment in an update. @return column assignment node */ UNIV_INTERN @@ -875,7 +874,7 @@ pars_column_assignment( return(node); } -/************************************************************************* +/*********************************************************************//** Processes an update node assignment list. */ static void @@ -962,7 +961,7 @@ pars_process_assign_list( node->cmpl_info = changes_ord_field | changes_field_size; } -/************************************************************************* +/*********************************************************************//** Parses an update or delete statement. @return own: update node in a query tree */ UNIV_INTERN @@ -1048,7 +1047,7 @@ pars_update_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses an insert statement. @return own: update node in a query tree */ UNIV_INTERN @@ -1105,7 +1104,7 @@ pars_insert_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Set the type of a dfield. */ static void @@ -1155,7 +1154,7 @@ pars_set_dfield_type( } } -/************************************************************************* +/*********************************************************************//** Parses a variable declaration. @return own: symbol table node of type SYM_VAR */ UNIV_INTERN @@ -1176,7 +1175,7 @@ pars_variable_declaration( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a procedure parameter declaration. @return own: symbol table node of type SYM_VAR */ UNIV_INTERN @@ -1198,7 +1197,7 @@ pars_parameter_declaration( return(node); } -/************************************************************************* +/*********************************************************************//** Sets the parent field in a query node list. */ static void @@ -1219,7 +1218,7 @@ pars_set_parent_in_list( } } -/************************************************************************* +/*********************************************************************//** Parses an elsif element. @return elsif node */ UNIV_INTERN @@ -1244,7 +1243,7 @@ pars_elsif_element( return(node); } -/************************************************************************* +/*********************************************************************//** Parses an if-statement. @return if-statement node */ UNIV_INTERN @@ -1295,7 +1294,7 @@ pars_if_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a while-statement. @return while-statement node */ UNIV_INTERN @@ -1322,7 +1321,7 @@ pars_while_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a for-loop-statement. @return for-statement node */ UNIV_INTERN @@ -1358,7 +1357,7 @@ pars_for_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses an exit statement. @return exit statement node */ UNIV_INTERN @@ -1374,7 +1373,7 @@ pars_exit_statement(void) return(node); } -/************************************************************************* +/*********************************************************************//** Parses a return-statement. @return return-statement node */ UNIV_INTERN @@ -1391,7 +1390,7 @@ pars_return_statement(void) return(node); } -/************************************************************************* +/*********************************************************************//** Parses an assignment statement. @return assignment statement node */ UNIV_INTERN @@ -1419,7 +1418,7 @@ pars_assignment_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a procedure call. @return function node */ UNIV_INTERN @@ -1438,7 +1437,7 @@ pars_procedure_call( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a fetch statement. into_list or user_func (but not both) must be non-NULL. @return fetch statement node */ @@ -1490,7 +1489,7 @@ pars_fetch_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses an open or close cursor statement. @return fetch statement node */ UNIV_INTERN @@ -1520,7 +1519,7 @@ pars_open_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a row_printf-statement. @return row_printf-statement node */ UNIV_INTERN @@ -1542,7 +1541,7 @@ pars_row_printf_statement( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a commit statement. @return own: commit node struct */ UNIV_INTERN @@ -1553,7 +1552,7 @@ pars_commit_statement(void) return(commit_node_create(pars_sym_tab_global->heap)); } -/************************************************************************* +/*********************************************************************//** Parses a rollback statement. @return own: rollback node struct */ UNIV_INTERN @@ -1564,7 +1563,7 @@ pars_rollback_statement(void) return(roll_node_create(pars_sym_tab_global->heap)); } -/************************************************************************* +/*********************************************************************//** Parses a column definition at a table creation. @return column sym table node */ UNIV_INTERN @@ -1595,7 +1594,7 @@ pars_column_def( return(sym_node); } -/************************************************************************* +/*********************************************************************//** Parses a table creation operation. @return table create subgraph */ UNIV_INTERN @@ -1657,7 +1656,7 @@ pars_create_table( return(node); } -/************************************************************************* +/*********************************************************************//** Parses an index creation operation. @return index create subgraph */ UNIV_INTERN @@ -1714,7 +1713,7 @@ pars_create_index( return(node); } -/************************************************************************* +/*********************************************************************//** Parses a procedure definition. @return query fork node */ UNIV_INTERN @@ -1761,7 +1760,7 @@ pars_procedure_definition( return(fork); } -/***************************************************************** +/*************************************************************//** Parses a stored procedure call, when this is not within another stored procedure, that is, the client issues a procedure call directly. In MySQL/InnoDB, stored InnoDB procedures are invoked via the @@ -1778,7 +1777,7 @@ pars_stored_procedure_call( return(NULL); } -/***************************************************************** +/*************************************************************//** Retrieves characters to the lexical analyzer. */ UNIV_INTERN void @@ -1826,7 +1825,7 @@ pars_get_lex_chars( pars_sym_tab_global->next_char_pos += len; } -/***************************************************************** +/*************************************************************//** Called by yyparse on error. */ UNIV_INTERN void @@ -1842,7 +1841,7 @@ yyerror( ut_error; } -/***************************************************************** +/*************************************************************//** Parses an SQL string returning the query graph. @return own: the query graph */ UNIV_INTERN @@ -1891,7 +1890,7 @@ pars_sql( return(graph); } -/********************************************************************** +/******************************************************************//** Completes a query graph by adding query thread and fork nodes above it and prepares the graph for running. The fork created is of type QUE_FORK_MYSQL_INTERFACE. @@ -1922,7 +1921,7 @@ pars_complete_graph_for_exec( return(thr); } -/******************************************************************** +/****************************************************************//** Create parser info struct. @return own: info struct */ UNIV_INTERN @@ -1946,18 +1945,18 @@ pars_info_create(void) return(info); } -/******************************************************************** +/****************************************************************//** Free info struct and everything it contains. */ UNIV_INTERN void pars_info_free( /*===========*/ - pars_info_t* info) /*!< in: info struct */ + pars_info_t* info) /*!< in, own: info struct */ { mem_heap_free(info->heap); } -/******************************************************************** +/****************************************************************//** Add bound literal. */ UNIV_INTERN void @@ -1990,7 +1989,7 @@ pars_info_add_literal( ib_vector_push(info->bound_lits, pbl); } -/******************************************************************** +/****************************************************************//** Equivalent to pars_info_add_literal(info, name, str, strlen(str), DATA_VARCHAR, DATA_ENGLISH). */ UNIV_INTERN @@ -2005,7 +2004,7 @@ pars_info_add_str_literal( DATA_VARCHAR, DATA_ENGLISH); } -/******************************************************************** +/****************************************************************//** Equivalent to: char buf[4]; @@ -2028,7 +2027,7 @@ pars_info_add_int4_literal( pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); } -/******************************************************************** +/****************************************************************//** Equivalent to: char buf[8]; @@ -2052,7 +2051,7 @@ pars_info_add_dulint_literal( pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); } -/******************************************************************** +/****************************************************************//** Add user function. */ UNIV_INTERN void @@ -2080,7 +2079,7 @@ pars_info_add_function( ib_vector_push(info->funcs, puf); } -/******************************************************************** +/****************************************************************//** Add bound id. */ UNIV_INTERN void @@ -2106,7 +2105,7 @@ pars_info_add_id( ib_vector_push(info->bound_ids, bid); } -/******************************************************************** +/****************************************************************//** Get user function with the given name. @return user func, or NULL if not found */ UNIV_INTERN @@ -2136,7 +2135,7 @@ pars_info_get_user_func( return(NULL); } -/******************************************************************** +/****************************************************************//** Get bound literal with the given name. @return bound literal, or NULL if not found */ UNIV_INTERN @@ -2166,7 +2165,7 @@ pars_info_get_bound_lit( return(NULL); } -/******************************************************************** +/****************************************************************//** Get bound id with the given name. @return bound id, or NULL if not found */ UNIV_INTERN diff --git a/pars/pars0sym.c b/pars/pars0sym.c index bb655feeb80..b56350116bb 100644 --- a/pars/pars0sym.c +++ b/pars/pars0sym.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file pars/pars0sym.c SQL parser symbol table Created 12/15/1997 Heikki Tuuri @@ -37,7 +38,7 @@ Created 12/15/1997 Heikki Tuuri #include "eval0eval.h" #include "row0sel.h" -/********************************************************************** +/******************************************************************//** Creates a symbol table for a single stored procedure or query. @return own: symbol table */ UNIV_INTERN @@ -58,7 +59,7 @@ sym_tab_create( return(sym_tab); } -/********************************************************************** +/******************************************************************//** Frees the memory allocated dynamically AFTER parsing phase for variables etc. in the symbol table. Does not free the mem heap where the table was originally created. Frees also SQL explicit cursor definitions. */ @@ -96,7 +97,7 @@ sym_tab_free_private( } } -/********************************************************************** +/******************************************************************//** Adds an integer literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -136,7 +137,7 @@ sym_tab_add_int_lit( return(node); } -/********************************************************************** +/******************************************************************//** Adds a string literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -183,7 +184,7 @@ sym_tab_add_str_lit( return(node); } -/********************************************************************** +/******************************************************************//** Add a bound literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -259,7 +260,7 @@ sym_tab_add_bound_lit( return(node); } -/********************************************************************** +/******************************************************************//** Adds an SQL null literal to a symbol table. @return symbol table node */ UNIV_INTERN @@ -294,7 +295,7 @@ sym_tab_add_null_lit( return(node); } -/********************************************************************** +/******************************************************************//** Adds an identifier to a symbol table. @return symbol table node */ UNIV_INTERN @@ -330,7 +331,7 @@ sym_tab_add_id( return(node); } -/********************************************************************** +/******************************************************************//** Add a bound identifier to a symbol table. @return symbol table node */ UNIV_INTERN diff --git a/que/que0que.c b/que/que0que.c index 789130f14f2..8f0673f7b69 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file que/que0que.c Query graph Created 5/27/1996 Heikki Tuuri @@ -123,7 +124,7 @@ When the execution of the graph completes, it is like returning from a subprocedure: the query thread which requested the operation starts running again. */ -/************************************************************************** +/**********************************************************************//** Moves a thread from another state to the QUE_THR_RUNNING state. Increments the n_active_thrs counters of the query graph and transaction. ***NOTE***: This is the only function in which such a transition is allowed @@ -134,7 +135,7 @@ que_thr_move_to_run_state( /*======================*/ que_thr_t* thr); /*!< in: an query thread */ -/*************************************************************************** +/***********************************************************************//** Adds a query graph to the session's list of graphs. */ UNIV_INTERN void @@ -148,7 +149,7 @@ que_graph_publish( UT_LIST_ADD_LAST(graphs, sess->graphs, graph); } -/*************************************************************************** +/***********************************************************************//** Creates a query graph fork node. @return own: fork node */ UNIV_INTERN @@ -194,7 +195,7 @@ que_fork_create( return(fork); } -/*************************************************************************** +/***********************************************************************//** Creates a query graph thread node. @return own: query thread node */ UNIV_INTERN @@ -230,7 +231,7 @@ que_thr_create( return(thr); } -/************************************************************************** +/**********************************************************************//** Moves a suspended query thread to the QUE_THR_RUNNING state and may release a single worker thread to execute it. This function should be used to end the wait state of a query thread waiting for a lock or a stored procedure @@ -278,7 +279,7 @@ que_thr_end_wait( } } -/************************************************************************** +/**********************************************************************//** Same as que_thr_end_wait, but no parameter next_thr available. */ UNIV_INTERN void @@ -315,7 +316,7 @@ que_thr_end_wait_no_next_thr( /* srv_que_task_enqueue_low(thr); */ } -/************************************************************************** +/**********************************************************************//** Inits a query thread for a command. */ UNIV_INLINE void @@ -329,12 +330,14 @@ que_thr_init_command( que_thr_move_to_run_state(thr); } -/************************************************************************** +/**********************************************************************//** Starts execution of a command in a query fork. Picks a query thread which is not in the QUE_THR_RUNNING state and moves it to that state. If none can be chosen, a situation which may arise in parallelized fetches, NULL is returned. -@return a query thread of the graph moved to QUE_THR_RUNNING state, or NULL; the query thread should be executed by que_run_threads by the caller */ +@return a query thread of the graph moved to QUE_THR_RUNNING state, or +NULL; the query thread should be executed by que_run_threads by the +caller */ UNIV_INTERN que_thr_t* que_fork_start_command( @@ -415,7 +418,7 @@ que_fork_start_command( return(thr); } -/************************************************************************** +/**********************************************************************//** After signal handling is finished, returns control to a query graph error handling routine. (Currently, just returns the control to the root of the graph so that the graph can communicate an error message to the client.) */ @@ -456,9 +459,10 @@ que_fork_error_handle( srv_que_task_enqueue_low(thr); } -/******************************************************************** +/****************************************************************//** Tests if all the query threads in the same fork have a given state. -@return TRUE if all the query threads in the same fork were in the given state */ +@return TRUE if all the query threads in the same fork were in the +given state */ UNIV_INLINE ibool que_fork_all_thrs_in_state( @@ -482,7 +486,7 @@ que_fork_all_thrs_in_state( return(TRUE); } -/************************************************************************** +/**********************************************************************//** Calls que_graph_free_recursive for statements in a statement list. */ static void @@ -497,7 +501,7 @@ que_graph_free_stat_list( } } -/************************************************************************** +/**********************************************************************//** Frees a query graph, but not the heap where it was created. Does not free explicit cursor declarations, they are freed in que_graph_free. */ UNIV_INTERN @@ -661,7 +665,7 @@ que_graph_free_recursive( } } -/************************************************************************** +/**********************************************************************//** Frees a query graph. */ UNIV_INTERN void @@ -692,7 +696,7 @@ que_graph_free( mem_heap_free(graph->heap); } -/************************************************************************** +/**********************************************************************//** Checks if the query graph is in a state where it should be freed, and frees it in that case. If the session is in a state where it should be closed, also this is done. @@ -723,7 +727,7 @@ que_graph_try_free( return(FALSE); } -/******************************************************************** +/****************************************************************//** Performs an execution step on a thr node. @return query thread to run next, or NULL if none */ static @@ -762,7 +766,7 @@ que_thr_node_step( return(NULL); } -/************************************************************************** +/**********************************************************************//** Moves a thread from another state to the QUE_THR_RUNNING state. Increments the n_active_thrs counters of the query graph and transaction if thr was not active. @@ -795,7 +799,7 @@ que_thr_move_to_run_state( thr->state = QUE_THR_RUNNING; } -/************************************************************************** +/**********************************************************************//** Decrements the query thread reference counts in the query graph and the transaction. May start signal handling, e.g., a rollback. *** NOTE ***: @@ -897,7 +901,7 @@ que_thr_dec_refer_count( break; default: - ut_error; /* not used in MySQL */ + ut_error; /*!< not used in MySQL */ } } @@ -918,7 +922,7 @@ que_thr_dec_refer_count( mutex_exit(&kernel_mutex); } -/************************************************************************** +/**********************************************************************//** Stops a query thread if graph or trx is in a state requiring it. The conditions are tested in the order (1) graph, (2) trx. The kernel mutex has to be reserved. @@ -965,7 +969,7 @@ que_thr_stop( return(ret); } -/************************************************************************** +/**********************************************************************//** A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The query thread is stopped and made inactive, except in the case where it was put to the lock wait state in lock0lock.c, but the lock has already @@ -1012,7 +1016,7 @@ que_thr_stop_for_mysql( mutex_exit(&kernel_mutex); } -/************************************************************************** +/**********************************************************************//** Moves a thread from another state to the QUE_THR_RUNNING state. Increments the n_active_thrs counters of the query graph and transaction if thr was not active. */ @@ -1045,7 +1049,7 @@ que_thr_move_to_run_state_for_mysql( thr->state = QUE_THR_RUNNING; } -/************************************************************************** +/**********************************************************************//** A patch for MySQL used to 'stop' a dummy query thread used in MySQL select, when there is no error or lock wait. */ UNIV_INTERN @@ -1078,7 +1082,7 @@ que_thr_stop_for_mysql_no_error( trx->n_active_thrs--; } -/******************************************************************** +/****************************************************************//** Get the first containing loop node (e.g. while_node_t or for_node_t) for the given node, or NULL if the node is not within a loop. @return containing loop node, or NULL. */ @@ -1109,7 +1113,7 @@ que_node_get_containing_loop_node( return(node); } -/************************************************************************** +/**********************************************************************//** Prints info of an SQL query graph node. */ UNIV_INTERN void @@ -1172,9 +1176,10 @@ que_node_print_info( (ulong) type, str, (void*) node); } -/************************************************************************** +/**********************************************************************//** Performs an execution step on a query thread. -@return query thread to run next: it may differ from the input parameter if, e.g., a subprocedure call is made */ +@return query thread to run next: it may differ from the input +parameter if, e.g., a subprocedure call is made */ UNIV_INLINE que_thr_t* que_thr_step( @@ -1293,7 +1298,7 @@ que_thr_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Run a query thread until it finishes or encounters e.g. a lock wait. */ static void @@ -1353,7 +1358,7 @@ loop: goto loop; } -/************************************************************************** +/**********************************************************************//** Run a query thread. Handles lock waits. */ UNIV_INTERN void @@ -1408,7 +1413,7 @@ loop: mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** Evaluate the given SQL. @return error code or DB_SUCCESS */ UNIV_INTERN diff --git a/read/read0read.c b/read/read0read.c index d0d520b0877..85adae4ddff 100644 --- a/read/read0read.c +++ b/read/read0read.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file read/read0read.c Cursor read Created 2/16/1997 Heikki Tuuri @@ -136,7 +137,7 @@ TODO: proof this */ -/************************************************************************* +/*********************************************************************//** Creates a read view object. @return own: read view struct */ UNIV_INLINE @@ -156,7 +157,7 @@ read_view_create_low( return(view); } -/************************************************************************* +/*********************************************************************//** Makes a copy of the oldest existing read view, with the exception that also the creating trx of the oldest view is set as not visible in the 'copied' view. Opens a new view if no views currently exist. The view must be closed @@ -242,7 +243,7 @@ read_view_oldest_copy_or_open_new( return(view_copy); } -/************************************************************************* +/*********************************************************************//** Opens a read view where exactly the transactions serialized before this point in time are seen in the view. @return own: read view struct */ @@ -317,7 +318,7 @@ read_view_open_now( return(view); } -/************************************************************************* +/*********************************************************************//** Closes a read view. */ UNIV_INTERN void @@ -330,7 +331,7 @@ read_view_close( UT_LIST_REMOVE(view_list, trx_sys->view_list, view); } -/************************************************************************* +/*********************************************************************//** Closes a consistent read view for MySQL. This function is called at an SQL statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ UNIV_INTERN @@ -353,7 +354,7 @@ read_view_close_for_mysql( mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** Prints a read view to stderr. */ UNIV_INTERN void @@ -394,7 +395,7 @@ read_view_print( } } -/************************************************************************* +/*********************************************************************//** Create a high-granularity consistent cursor view for mysql to be used in cursors. In this consistent read view modifications done by the creating transaction after the cursor is created or future transactions @@ -486,7 +487,7 @@ read_cursor_view_create_for_mysql( return(curview); } -/************************************************************************* +/*********************************************************************//** Close a given consistent cursor view for mysql and restore global read view back to a transaction read view. */ UNIV_INTERN @@ -514,7 +515,7 @@ read_cursor_view_close_for_mysql( mem_heap_free(curview->heap); } -/************************************************************************* +/*********************************************************************//** This function sets a given consistent cursor view to a transaction read view if given consistent cursor view is not NULL. Otherwise, function restores a global read view to a transaction read view. */ diff --git a/rem/rem0cmp.c b/rem/rem0cmp.c index a31a73956cb..b707f2116d6 100644 --- a/rem/rem0cmp.c +++ b/rem/rem0cmp.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** +/*******************************************************************//** +@file rem/rem0cmp.c Comparison services for records Created 7/1/1994 Heikki Tuuri @@ -50,12 +51,13 @@ where two records disagree only in the way that one has more fields than the other. */ #ifdef UNIV_DEBUG -/***************************************************************** +/*************************************************************//** Used in debug checking of cmp_dtuple_... . This function is used to compare a data tuple to a physical record. If dtuple has n fields then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ static int cmp_debug_dtuple_rec_with_match( @@ -71,7 +73,7 @@ cmp_debug_dtuple_rec_with_match( returns, contains the value for current comparison */ #endif /* UNIV_DEBUG */ -/***************************************************************** +/*************************************************************//** This function is used to compare two data fields for which the data type is such that we must use MySQL code to compare them. The prototype here must be a copy of the the one in ha_innobase.cc! @@ -88,7 +90,7 @@ innobase_mysql_cmp( const unsigned char* b, /*!< in: data field */ unsigned int b_length); /*!< in: data field length, not UNIV_SQL_NULL */ -/************************************************************************* +/*********************************************************************//** Transforms the character code so that it is ordered appropriately for the language. This is only used for the latin1 char set. MySQL does the comparisons for other char sets. @@ -102,7 +104,7 @@ cmp_collate( return((ulint) srv_latin1_ordering[code]); } -/***************************************************************** +/*************************************************************//** Returns TRUE if two columns are equal for comparison purposes. @return TRUE if the columns are considered equal in comparisons */ UNIV_INTERN @@ -155,7 +157,7 @@ cmp_cols_are_equal( return(col1->mtype != DATA_INT || col1->len == col2->len); } -/***************************************************************** +/*************************************************************//** Innobase uses this function to compare two data fields for which the data type is such that we must compare whole fields or call MySQL to do the comparison @return 1, 0, -1, if a is greater, equal, less than b, respectively */ @@ -281,7 +283,7 @@ cmp_whole_field( return(0); } -/***************************************************************** +/*************************************************************//** This function is used to compare two data fields for which we know the data type. @return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ @@ -394,7 +396,7 @@ next_byte: return(0); /* Not reached */ } -/***************************************************************** +/*************************************************************//** This function is used to compare a data tuple to a physical record. Only dtuple->n_fields_cmp first fields are taken into account for the the data tuple! If we denote by n = n_fields_cmp, then rec must @@ -402,7 +404,9 @@ have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be made. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared, or until the first externally stored field in rec */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared, or until +the first externally stored field in rec */ UNIV_INTERN int cmp_dtuple_rec_with_match( @@ -630,9 +634,10 @@ order_resolved: return(ret); } -/****************************************************************** +/**************************************************************//** Compares a data tuple to a physical record. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively; see the comments for cmp_dtuple_rec_with_match */ +@see cmp_dtuple_rec_with_match +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ UNIV_INTERN int cmp_dtuple_rec( @@ -649,7 +654,7 @@ cmp_dtuple_rec( &matched_fields, &matched_bytes)); } -/****************************************************************** +/**************************************************************//** Checks if a dtuple is a prefix of a record. The last field in dtuple is allowed to be a prefix of the corresponding field in the record. @return TRUE if prefix */ @@ -689,31 +694,31 @@ cmp_dtuple_is_prefix_of_rec( return(FALSE); } -/***************************************************************** +/*************************************************************//** Compare two physical records that contain the same number of columns, none of which are stored externally. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2 */ +@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ UNIV_INTERN int cmp_rec_rec_simple( /*===============*/ const rec_t* rec1, /*!< in: physical record */ const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ const dict_index_t* index) /*!< in: data dictionary index */ { - ulint rec1_f_len; /* length of current field in rec1 */ - const byte* rec1_b_ptr; /* pointer to the current byte + ulint rec1_f_len; /*!< length of current field in rec1 */ + const byte* rec1_b_ptr; /*!< pointer to the current byte in rec1 field */ - ulint rec1_byte; /* value of current byte to be + ulint rec1_byte; /*!< value of current byte to be compared in rec1 */ - ulint rec2_f_len; /* length of current field in rec2 */ - const byte* rec2_b_ptr; /* pointer to the current byte + ulint rec2_f_len; /*!< length of current field in rec2 */ + const byte* rec2_b_ptr; /*!< pointer to the current byte in rec2 field */ - ulint rec2_byte; /* value of current byte to be + ulint rec2_byte; /*!< value of current byte to be compared in rec2 */ - ulint cur_field; /* current field number */ + ulint cur_field; /*!< current field number */ ulint n_uniq; n_uniq = dict_index_get_n_unique(index); @@ -838,11 +843,11 @@ next_field: return(0); } -/***************************************************************** +/*************************************************************//** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is encountered, then 0 is returned. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than rec2; only the common first fields are compared */ +@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ UNIV_INTERN int cmp_rec_rec_with_match( @@ -1077,13 +1082,14 @@ order_resolved: } #ifdef UNIV_DEBUG -/***************************************************************** +/*************************************************************//** Used in debug checking of cmp_dtuple_... . This function is used to compare a data tuple to a physical record. If dtuple has n fields then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If encounters an externally stored field, returns 0. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively, when only the common first fields are compared */ +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ static int cmp_debug_dtuple_rec_with_match( diff --git a/rem/rem0rec.c b/rem/rem0rec.c index b8895eb2fee..1c8b3fd8c1e 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file rem/rem0rec.c Record manager Created 5/30/1994 Heikki Tuuri @@ -143,7 +144,7 @@ the corresponding canonical strings have the same property. */ /* this is used to fool compiler in rec_validate */ UNIV_INTERN ulint rec_dummy; -/******************************************************************* +/***************************************************************//** Validates the consistency of an old-style physical record. @return TRUE if ok */ static @@ -152,7 +153,7 @@ rec_validate_old( /*=============*/ const rec_t* rec); /*!< in: physical record */ -/********************************************************** +/******************************************************//** Determine how many of the first n columns in a compact physical record are stored externally. @return number of externally stored columns */ @@ -227,7 +228,7 @@ rec_get_n_extern_new( return(n_extern); } -/********************************************************** +/******************************************************//** Determine the offset to each field in a leaf-page record in ROW_FORMAT=COMPACT. This is a special case of rec_init_offsets() and rec_get_offsets_func(). */ @@ -329,7 +330,7 @@ resolved: = (rec - (lens + 1)) | REC_OFFS_COMPACT | any_ext; } -/********************************************************** +/******************************************************//** The following function determines the offsets to each field in the record. The offsets are written to a previously allocated array of ulint, where rec_offs_n_fields(offsets) has been initialized to the @@ -491,7 +492,7 @@ resolved: } } -/********************************************************** +/******************************************************//** The following function determines the offsets to each field in the record. It can reuse a previously returned array. @return the new offsets */ @@ -563,7 +564,7 @@ rec_get_offsets_func( return(offsets); } -/********************************************************** +/******************************************************//** The following function determines the offsets to each field in the record. It can reuse a previously allocated array. */ UNIV_INTERN @@ -678,7 +679,7 @@ resolved: | REC_OFFS_COMPACT | any_ext; } -/**************************************************************** +/************************************************************//** The following function is used to get the offset to the nth data field in an old-style record. @return offset to the field */ @@ -742,7 +743,7 @@ rec_get_nth_field_offs_old( return(os); } -/************************************************************** +/**********************************************************//** Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. @return total size */ UNIV_INTERN @@ -817,7 +818,7 @@ rec_get_converted_size_comp_prefix( return(extra_size + data_size); } -/************************************************************** +/**********************************************************//** Determines the size of a data tuple in ROW_FORMAT=COMPACT. @return total size */ UNIV_INTERN @@ -865,7 +866,7 @@ rec_get_converted_size_comp( n_fields, extra)); } -/*************************************************************** +/***********************************************************//** Sets the value of the ith field SQL null bit of an old-style record. */ UNIV_INTERN void @@ -903,7 +904,7 @@ rec_set_nth_field_null_bit( rec_2_set_field_end_info(rec, i, info); } -/*************************************************************** +/***********************************************************//** Sets an old-style record field to SQL null. The physical size of the field is not changed. */ UNIV_INTERN @@ -922,7 +923,7 @@ rec_set_nth_field_sql_null( rec_set_nth_field_null_bit(rec, n, TRUE); } -/************************************************************* +/*********************************************************//** Builds an old-style physical record out of a data tuple and stores it beginning from the start of the given buffer. @return pointer to the origin of physical record */ @@ -1037,7 +1038,7 @@ rec_convert_dtuple_to_rec_old( return(rec); } -/************************************************************* +/*********************************************************//** Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ UNIV_INTERN void @@ -1159,7 +1160,7 @@ rec_convert_dtuple_to_rec_comp( } } -/************************************************************* +/*********************************************************//** Builds a new-style physical record out of a data tuple and stores it beginning from the start of the given buffer. @return pointer to the origin of physical record */ @@ -1192,7 +1193,7 @@ rec_convert_dtuple_to_rec_new( return(rec); } -/************************************************************* +/*********************************************************//** Builds a physical record out of a data tuple and stores it beginning from the start of the given buffer. @return pointer to the origin of physical record */ @@ -1237,7 +1238,7 @@ rec_convert_dtuple_to_rec( return(rec); } -/****************************************************************** +/**************************************************************//** Copies the first n fields of a physical record to a data tuple. The fields are copied to the memory heap. */ UNIV_INTERN @@ -1282,7 +1283,7 @@ rec_copy_prefix_to_dtuple( } } -/****************************************************************** +/**************************************************************//** Copies the first n fields of an old-style physical record to a new physical record in a buffer. @return own: copied record */ @@ -1326,7 +1327,7 @@ rec_copy_prefix_to_buf_old( return(copy_rec); } -/****************************************************************** +/**************************************************************//** Copies the first n fields of a physical record to a new physical record in a buffer. @return own: copied record */ @@ -1441,7 +1442,7 @@ rec_copy_prefix_to_buf( return(*buf + (rec - (lens + 1))); } -/******************************************************************* +/***************************************************************//** Validates the consistency of an old-style physical record. @return TRUE if ok */ static @@ -1501,7 +1502,7 @@ rec_validate_old( return(TRUE); } -/******************************************************************* +/***************************************************************//** Validates the consistency of a physical record. @return TRUE if ok */ UNIV_INTERN @@ -1568,7 +1569,7 @@ rec_validate( return(TRUE); } -/******************************************************************* +/***************************************************************//** Prints an old-style physical record. */ UNIV_INTERN void @@ -1621,7 +1622,7 @@ rec_print_old( } #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Prints a physical record in ROW_FORMAT=COMPACT. Ignores the record header. */ UNIV_INTERN @@ -1660,7 +1661,7 @@ rec_print_comp( } } -/******************************************************************* +/***************************************************************//** Prints a physical record. */ UNIV_INTERN void @@ -1688,7 +1689,7 @@ rec_print_new( rec_validate(rec, offsets); } -/******************************************************************* +/***************************************************************//** Prints a physical record. */ UNIV_INTERN void diff --git a/row/row0ext.c b/row/row0ext.c index 78acd0be037..7320f5b1dca 100644 --- a/row/row0ext.c +++ b/row/row0ext.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0ext.c Caching of externally stored column prefixes Created September 2006 Marko Makela @@ -30,7 +31,7 @@ Created September 2006 Marko Makela #include "btr0cur.h" -/************************************************************************ +/********************************************************************//** Fills the column prefix cache of an externally stored column. */ static void @@ -66,7 +67,7 @@ row_ext_cache_fill( } } -/************************************************************************ +/********************************************************************//** Creates a cache of column prefixes of externally stored columns. @return own: column prefix cache */ UNIV_INTERN diff --git a/row/row0ins.c b/row/row0ins.c index 3c59b6b49a8..e17c981979c 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0ins.c Insert into a table Created 4/20/1996 Heikki Tuuri @@ -51,7 +52,7 @@ Created 4/20/1996 Heikki Tuuri #define ROW_INS_NEXT 2 -/************************************************************************* +/*********************************************************************//** Creates an insert node struct. @return own: insert node struct */ UNIV_INTERN @@ -86,7 +87,7 @@ ins_node_create( return(node); } -/*************************************************************** +/***********************************************************//** Creates an entry template for each index of a table. */ UNIV_INTERN void @@ -112,7 +113,7 @@ ins_node_create_entry_list( } } -/********************************************************************* +/*****************************************************************//** Adds system field buffers to a row. */ static void @@ -167,7 +168,7 @@ row_ins_alloc_sys_fields( dfield_set_data(dfield, ptr, DATA_ROLL_PTR_LEN); } -/************************************************************************* +/*********************************************************************//** Sets a new row to insert for an INS_DIRECT node. This function is only used if we have constructed the row separately, which is a rare case; this function is quite slow. */ @@ -200,7 +201,7 @@ ins_node_set_new_row( node->trx_id = ut_dulint_zero; } -/*********************************************************************** +/*******************************************************************//** Does an insert operation by updating a delete-marked existing record in the index. This situation can occur if the delete-marked record is kept in the index for consistent reads. @@ -271,7 +272,7 @@ func_exit: return(err); } -/*********************************************************************** +/*******************************************************************//** Does an insert operation by delete unmarking and updating a delete marked existing record in the index. This situation can occur if the delete marked record is kept in the index for consistent reads. @@ -343,7 +344,7 @@ row_ins_clust_index_entry_by_modify( return(err); } -/************************************************************************* +/*********************************************************************//** Returns TRUE if in a cascaded update/delete an ancestor node of node updates (not DELETE, but UPDATE) table. @return TRUE if an ancestor updates table */ @@ -376,7 +377,7 @@ row_ins_cascade_ancestor_updates_table( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Returns the number of ancestor UPDATE or DELETE nodes of a cascaded update/delete node. @return number of ancestors */ @@ -402,10 +403,13 @@ row_ins_cascade_n_ancestors( return(n_ancestors); } -/********************************************************************** +/******************************************************************//** Calculates the update vector node->cascade->update for a child table in a cascaded update. -@return number of fields in the calculated update vector; the value can also be 0 if no foreign key fields changed; the returned value is ULINT_UNDEFINED if the column type in the child table is too short to fit the new value in the parent table: that means the update fails */ +@return number of fields in the calculated update vector; the value +can also be 0 if no foreign key fields changed; the returned value is +ULINT_UNDEFINED if the column type in the child table is too short to +fit the new value in the parent table: that means the update fails */ static ulint row_ins_cascade_calc_update_vec( @@ -583,7 +587,7 @@ row_ins_cascade_calc_update_vec( return(n_fields_updated); } -/************************************************************************* +/*********************************************************************//** Set detailed error message associated with foreign key errors for the given transaction. */ static @@ -609,7 +613,7 @@ row_ins_set_detailed( mutex_exit(&srv_misc_tmpfile_mutex); } -/************************************************************************* +/*********************************************************************//** Reports a foreign key error associated with an update or a delete of a parent table index entry. */ static @@ -665,7 +669,7 @@ row_ins_foreign_report_err( mutex_exit(&dict_foreign_err_mutex); } -/************************************************************************* +/*********************************************************************//** Reports a foreign key error to dict_foreign_err_file when we are trying to add an index entry to a child table. Note that the adding may be the result of an update, too. */ @@ -723,7 +727,7 @@ row_ins_foreign_report_add_err( mutex_exit(&dict_foreign_err_mutex); } -/************************************************************************* +/*********************************************************************//** Invalidate the query cache for the given table. */ static void @@ -748,7 +752,7 @@ row_ins_invalidate_query_cache( mem_free(buf); } -/************************************************************************* +/*********************************************************************//** Perform referential actions or checks when a parent row is deleted or updated and the constraint had an ON DELETE or ON UPDATE condition which was not RESTRICT. @@ -1114,7 +1118,7 @@ nonstandard_exit_func: return(err); } -/************************************************************************* +/*********************************************************************//** Sets a shared lock on a record. Used in locking possible duplicate key records and also in checking foreign key constraints. @return DB_SUCCESS or error code */ @@ -1145,7 +1149,7 @@ row_ins_set_shared_rec_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Sets a exclusive lock on a record. Used in locking possible duplicate key records @return DB_SUCCESS or error code */ @@ -1176,7 +1180,7 @@ row_ins_set_exclusive_rec_lock( return(err); } -/******************************************************************* +/***************************************************************//** Checks if foreign key constraint fails for an index entry. Sets shared locks which lock either the success or the failure of the constraint. NOTE that the caller must have a shared latch on dict_operation_lock. @@ -1498,7 +1502,7 @@ exit_func: return(err); } -/******************************************************************* +/***************************************************************//** Checks if foreign key constraints fail for an index entry. If index is not mentioned in any constraint, this function does nothing, Otherwise does searches to the indexes of referenced tables and @@ -1580,7 +1584,7 @@ row_ins_check_foreign_constraints( return(DB_SUCCESS); } -/******************************************************************* +/***************************************************************//** Checks if a unique key violation to rec would occur at the index entry insert. @return TRUE if error */ @@ -1632,7 +1636,7 @@ row_ins_dupl_error_with_rec( return(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); } -/******************************************************************* +/***************************************************************//** Scans a unique non-clustered index at a given index entry to determine whether a uniqueness violation has occurred for the key value of the entry. Set shared locks on possible duplicate records. @@ -1756,11 +1760,13 @@ row_ins_scan_sec_index_for_duplicate( return(err); } -/******************************************************************* +/***************************************************************//** Checks if a unique key violation error would occur at an index entry insert. Sets shared locks on possible duplicate records. Works only for a clustered index! -@return DB_SUCCESS if no error, DB_DUPLICATE_KEY if error, DB_LOCK_WAIT if we have to wait for a lock on a possible duplicate record */ +@return DB_SUCCESS if no error, DB_DUPLICATE_KEY if error, +DB_LOCK_WAIT if we have to wait for a lock on a possible duplicate +record */ static ulint row_ins_duplicate_error_in_clust( @@ -1895,13 +1901,15 @@ func_exit: return(err); } -/******************************************************************* +/***************************************************************//** Checks if an index entry has long enough common prefix with an existing record so that the intended insert of the entry must be changed to a modify of the existing record. In the case of a clustered index, the prefix must be n_unique fields long, and in the case of a secondary index, all fields must be equal. -@return 0 if no update, ROW_INS_PREV if previous should be updated; currently we do the search so that only the low_match record can match enough to the search tuple, not the next record */ +@return 0 if no update, ROW_INS_PREV if previous should be updated; +currently we do the search so that only the low_match record can match +enough to the search tuple, not the next record */ UNIV_INLINE ulint row_ins_must_modify( @@ -1933,7 +1941,7 @@ row_ins_must_modify( return(0); } -/******************************************************************* +/***************************************************************//** Tries to insert an index entry to an index. If the index is clustered and a record with the same unique key is found, the other record is necessarily marked deleted by a committed transaction, or a unique key @@ -1942,7 +1950,8 @@ existing record, and we must write an undo log record on the delete marked record. If the index is secondary, and a record with exactly the same fields is found, the other record is necessarily marked deleted. It is then unmarked. Otherwise, the entry is just inserted to the index. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL if pessimistic retry needed, or error code */ +@return DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL if pessimistic retry needed, +or error code */ static ulint row_ins_index_entry_low( @@ -2123,7 +2132,7 @@ function_exit: return(err); } -/******************************************************************* +/***************************************************************//** Inserts an index entry to index. Tries first optimistic, then pessimistic descent down the tree. If the entry matches enough to a delete marked record, performs the insert by updating or delete unmarking the delete marked @@ -2166,7 +2175,7 @@ row_ins_index_entry( return(err); } -/*************************************************************** +/***********************************************************//** Sets the values of the dtuple fields in entry from the values of appropriate columns in row. */ static @@ -2218,9 +2227,10 @@ row_ins_index_entry_set_vals( } } -/*************************************************************** +/***********************************************************//** Inserts a single index entry to the table. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_ins_index_entry_step( @@ -2241,7 +2251,7 @@ row_ins_index_entry_step( return(err); } -/*************************************************************** +/***********************************************************//** Allocates a row id for row and inits the node->index field. */ UNIV_INLINE void @@ -2267,7 +2277,7 @@ row_ins_alloc_row_id_step( dict_sys_write_row_id(node->row_id_buf, row_id); } -/*************************************************************** +/***********************************************************//** Gets a row to insert from the values list. */ UNIV_INLINE void @@ -2300,7 +2310,7 @@ row_ins_get_row_from_values( } } -/*************************************************************** +/***********************************************************//** Gets a row to insert from the select list. */ UNIV_INLINE void @@ -2331,9 +2341,10 @@ row_ins_get_row_from_select( } } -/*************************************************************** +/***********************************************************//** Inserts a row to a table. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_ins( @@ -2385,7 +2396,7 @@ row_ins( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Inserts a row to a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ diff --git a/row/row0merge.c b/row/row0merge.c index e33198435d0..fc2a2a5e935 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0merge.c New index creation routines using a merge sort Created 12/4/2005 Jan Lindstrom @@ -62,61 +63,66 @@ Completed by Sunny Bains and Marko Makela #endif /* __WIN__ */ #ifdef UNIV_DEBUG -/* Set these in order ot enable debug printout. */ +/** Set these in order ot enable debug printout. */ +/* @{ */ static ibool row_merge_print_cmp; static ibool row_merge_print_read; static ibool row_merge_print_write; +/* @} */ #endif /* UNIV_DEBUG */ -/* Block size for I/O operations in merge sort. The minimum is -UNIV_PAGE_SIZE, or page_get_free_space_of_empty() rounded to a power of 2. +/** @brief Block size for I/O operations in merge sort. + +The minimum is UNIV_PAGE_SIZE, or page_get_free_space_of_empty() +rounded to a power of 2. When not creating a PRIMARY KEY that contains column prefixes, this can be set as small as UNIV_PAGE_SIZE / 2. See the comment above ut_ad(data_size < sizeof(row_merge_block_t)). */ - typedef byte row_merge_block_t[1048576]; -/* Secondary buffer for I/O operations of merge records. This buffer -is used for writing or reading a record that spans two row_merge_block_t. -Thus, it must be able to hold one merge record, whose maximum size is -the same as the minimum size of row_merge_block_t. */ +/** @brief Secondary buffer for I/O operations of merge records. +This buffer is used for writing or reading a record that spans two +row_merge_block_t. Thus, it must be able to hold one merge record, +whose maximum size is the same as the minimum size of +row_merge_block_t. */ typedef byte mrec_buf_t[UNIV_PAGE_SIZE]; -/* Merge record in row_merge_block_t. The format is the same as a -record in ROW_FORMAT=COMPACT with the exception that the -REC_N_NEW_EXTRA_BYTES are omitted. */ +/** @brief Merge record in row_merge_block_t. + +The format is the same as a record in ROW_FORMAT=COMPACT with the +exception that the REC_N_NEW_EXTRA_BYTES are omitted. */ typedef byte mrec_t; -/* Buffer for sorting in main memory. */ +/** Buffer for sorting in main memory. */ struct row_merge_buf_struct { - mem_heap_t* heap; /* memory heap where allocated */ - dict_index_t* index; /* the index the tuples belong to */ - ulint total_size; /* total amount of data bytes */ - ulint n_tuples; /* number of data tuples */ - ulint max_tuples; /* maximum number of data tuples */ - const dfield_t**tuples; /* array of pointers to + mem_heap_t* heap; /*!< memory heap where allocated */ + dict_index_t* index; /*!< the index the tuples belong to */ + ulint total_size; /*!< total amount of data bytes */ + ulint n_tuples; /*!< number of data tuples */ + ulint max_tuples; /*!< maximum number of data tuples */ + const dfield_t**tuples; /*!< array of pointers to arrays of fields that form the data tuples */ - const dfield_t**tmp_tuples; /* temporary copy of tuples, + const dfield_t**tmp_tuples; /*!< temporary copy of tuples, for sorting */ }; +/** Buffer for sorting in main memory. */ typedef struct row_merge_buf_struct row_merge_buf_t; -/* Information about temporary files used in merge sort are stored -to this structure */ - +/** Information about temporary files used in merge sort */ struct merge_file_struct { - int fd; /* File descriptor */ - ulint offset; /* File offset */ + int fd; /*!< file descriptor */ + ulint offset; /*!< file offset */ }; +/** Information about temporary files used in merge sort */ typedef struct merge_file_struct merge_file_t; #ifdef UNIV_DEBUG -/********************************************************** +/******************************************************//** Display a merge tuple. */ static void @@ -151,7 +157,7 @@ row_merge_tuple_print( } #endif /* UNIV_DEBUG */ -/********************************************************** +/******************************************************//** Allocate a sort buffer. @return own: sort buffer */ static @@ -180,7 +186,7 @@ row_merge_buf_create_low( return(buf); } -/********************************************************** +/******************************************************//** Allocate a sort buffer. @return own: sort buffer */ static @@ -206,7 +212,7 @@ row_merge_buf_create( return(buf); } -/********************************************************** +/******************************************************//** Empty a sort buffer. @return sort buffer */ static @@ -227,7 +233,7 @@ row_merge_buf_empty( return(row_merge_buf_create_low(heap, index, max_tuples, buf_size)); } -/********************************************************** +/******************************************************//** Deallocate a sort buffer. */ static void @@ -238,7 +244,7 @@ row_merge_buf_free( mem_heap_free(buf->heap); } -/********************************************************** +/******************************************************//** Insert a data tuple into a sort buffer. @return TRUE if added, FALSE if out of space */ static @@ -393,16 +399,17 @@ row_merge_buf_add( return(TRUE); } -/* Structure for reporting duplicate records. */ +/** Structure for reporting duplicate records. */ struct row_merge_dup_struct { - const dict_index_t* index; /* index being sorted */ - TABLE* table; /* MySQL table object */ - ulint n_dup; /* number of duplicates */ + const dict_index_t* index; /*!< index being sorted */ + TABLE* table; /*!< MySQL table object */ + ulint n_dup; /*!< number of duplicates */ }; +/** Structure for reporting duplicate records. */ typedef struct row_merge_dup_struct row_merge_dup_t; -/***************************************************************** +/*************************************************************//** Report a duplicate key. */ static void @@ -446,7 +453,7 @@ row_merge_dup_report( } } -/***************************************************************** +/*************************************************************//** Compare two tuples. @return 1, 0, -1 if a is greater, equal, less, respectively, than b */ static @@ -487,7 +494,22 @@ func_exit: return(cmp); } -/************************************************************************** +/** Wrapper for row_merge_tuple_sort() to inject some more context to +UT_SORT_FUNCTION_BODY(). +@param a array of tuples that being sorted +@param b aux (work area), same size as tuples[] +@param c lower bound of the sorting area, inclusive +@param d upper bound of the sorting area, inclusive */ +#define row_merge_tuple_sort_ctx(a,b,c,d) \ + row_merge_tuple_sort(n_field, dup, a, b, c, d) +/** Wrapper for row_merge_tuple_cmp() to inject some more context to +UT_SORT_FUNCTION_BODY(). +@param a first tuple to be compared +@param b second tuple to be compared +@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ +#define row_merge_tuple_cmp_ctx(a,b) row_merge_tuple_cmp(n_field, a, b, dup) + +/**********************************************************************//** Merge sort the tuple buffer in main memory. */ static void @@ -502,15 +524,11 @@ row_merge_tuple_sort( ulint high) /*!< in: upper bound of the sorting area, exclusive */ { -#define row_merge_tuple_sort_ctx(a,b,c,d) \ - row_merge_tuple_sort(n_field, dup, a, b, c, d) -#define row_merge_tuple_cmp_ctx(a,b) row_merge_tuple_cmp(n_field, a, b, dup) - UT_SORT_FUNCTION_BODY(row_merge_tuple_sort_ctx, tuples, aux, low, high, row_merge_tuple_cmp_ctx); } -/********************************************************** +/******************************************************//** Sort a buffer. */ static void @@ -523,7 +541,7 @@ row_merge_buf_sort( buf->tuples, buf->tmp_tuples, 0, buf->n_tuples); } -/********************************************************** +/******************************************************//** Write a buffer to a block. */ static void @@ -602,7 +620,7 @@ row_merge_buf_write( #endif /* UNIV_DEBUG */ } -/********************************************************** +/******************************************************//** Create a memory heap and allocate space for row_merge_rec_offsets(). @return memory heap */ static @@ -626,7 +644,7 @@ row_merge_heap_create( return(heap); } -/************************************************************************** +/**********************************************************************//** Search an index object by name and column names. If several indexes match, return the index with the max id. @return matching index, NULL if not found */ @@ -655,7 +673,7 @@ row_merge_dict_table_get_index( return(index); } -/************************************************************************ +/********************************************************************//** Read a merge block from the file system. @return TRUE if request was successful, FALSE if fail */ static @@ -685,7 +703,7 @@ row_merge_read( return(UNIV_LIKELY(success)); } -/************************************************************************ +/********************************************************************//** Read a merge block from the file system. @return TRUE if request was successful, FALSE if fail */ static @@ -712,7 +730,7 @@ row_merge_write( return(UNIV_LIKELY(success)); } -/************************************************************************ +/********************************************************************//** Read a merge record. @return pointer to next record, or NULL on I/O error or end of list */ static @@ -874,7 +892,7 @@ func_exit: return(b); } -/************************************************************************ +/********************************************************************//** Write a merge record. */ static void @@ -917,7 +935,7 @@ row_merge_write_rec_low( ut_ad(b + rec_offs_size(offsets) == end); } -/************************************************************************ +/********************************************************************//** Write a merge record. @return pointer to end of block, or NULL on error */ static @@ -984,7 +1002,7 @@ row_merge_write_rec( return(b); } -/************************************************************************ +/********************************************************************//** Write an end-of-list marker. @return pointer to end of block, or NULL on error */ static @@ -1024,7 +1042,7 @@ row_merge_write_eof( return(block[0]); } -/***************************************************************** +/*************************************************************//** Compare two merge records. @return 1, 0, -1 if mrec1 is greater, equal, less, respectively, than mrec2 */ static @@ -1056,7 +1074,7 @@ row_merge_cmp( return(cmp); } -/************************************************************************ +/********************************************************************//** Reads clustered index of the table and create temporary files containing the index entries for the indexes to be built. @return DB_SUCCESS or error */ @@ -1302,41 +1320,9 @@ func_exit: return(err); } -/***************************************************************** -Merge two blocks of linked lists on disk and write a bigger block. -@return DB_SUCCESS or error code */ -static -ulint -row_merge_blocks( -/*=============*/ - const dict_index_t* index, /*!< in: index being created */ - merge_file_t* file, /*!< in/out: file containing - index entries */ - row_merge_block_t* block, /*!< in/out: 3 buffers */ - ulint* foffs0, /*!< in/out: offset of first - source list in the file */ - ulint* foffs1, /*!< in/out: offset of second - source list in the file */ - merge_file_t* of, /*!< in/out: output file */ - TABLE* table) /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -{ - mem_heap_t* heap; /* memory heap for offsets0, offsets1 */ - - mrec_buf_t buf[3]; /* buffer for handling split mrec in block[] */ - const byte* b0; /* pointer to block[0] */ - const byte* b1; /* pointer to block[1] */ - byte* b2; /* pointer to block[2] */ - const mrec_t* mrec0; /* merge rec, points to block[0] or buf[0] */ - const mrec_t* mrec1; /* merge rec, points to block[1] or buf[1] */ - ulint* offsets0;/* offsets of mrec0 */ - ulint* offsets1;/* offsets of mrec1 */ - - heap = row_merge_heap_create(index, &offsets0, &offsets1); - - /* Write a record and read the next record. Split the output - file in two halves, which can be merged on the following pass. */ +/** Write a record via buffer 2 and read the next record to buffer N. +@param N number of the buffer (0 or 1) +@param AT_END statement to execute at end of input */ #define ROW_MERGE_WRITE_GET_NEXT(N, AT_END) \ do { \ b2 = row_merge_write_rec(&block[2], &buf[2], b2, \ @@ -1357,6 +1343,42 @@ row_merge_blocks( } \ } while (0) +/*************************************************************//** +Merge two blocks of linked lists on disk and write a bigger block. +@return DB_SUCCESS or error code */ +static +ulint +row_merge_blocks( +/*=============*/ + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing + index entries */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + ulint* foffs0, /*!< in/out: offset of first + source list in the file */ + ulint* foffs1, /*!< in/out: offset of second + source list in the file */ + merge_file_t* of, /*!< in/out: output file */ + TABLE* table) /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +{ + mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ + + mrec_buf_t buf[3]; /*!< buffer for handling split mrec in block[] */ + const byte* b0; /*!< pointer to block[0] */ + const byte* b1; /*!< pointer to block[1] */ + byte* b2; /*!< pointer to block[2] */ + const mrec_t* mrec0; /*!< merge rec, points to block[0] or buf[0] */ + const mrec_t* mrec1; /*!< merge rec, points to block[1] or buf[1] */ + ulint* offsets0;/* offsets of mrec0 */ + ulint* offsets1;/* offsets of mrec1 */ + + heap = row_merge_heap_create(index, &offsets0, &offsets1); + + /* Write a record and read the next record. Split the output + file in two halves, which can be merged on the following pass. */ + if (!row_merge_read(file->fd, *foffs0, &block[0]) || !row_merge_read(file->fd, *foffs1, &block[1])) { corrupt: @@ -1423,7 +1445,7 @@ done1: return(b2 ? DB_SUCCESS : DB_CORRUPTION); } -/***************************************************************** +/*************************************************************//** Merge disk files. @return DB_SUCCESS or error code */ static @@ -1440,10 +1462,10 @@ row_merge( reporting erroneous key value if applicable */ { - ulint foffs0; /* first input offset */ - ulint foffs1; /* second input offset */ - ulint error; /* error code */ - merge_file_t of; /* output file */ + ulint foffs0; /*!< first input offset */ + ulint foffs1; /*!< second input offset */ + ulint error; /*!< error code */ + merge_file_t of; /*!< output file */ UNIV_MEM_ASSERT_W(block[0], 3 * sizeof block[0]); ut_ad(half > 0); @@ -1493,7 +1515,7 @@ row_merge( return(DB_SUCCESS); } -/***************************************************************** +/*************************************************************//** Merge disk files. @return DB_SUCCESS or error code */ static @@ -1509,7 +1531,7 @@ row_merge_sort( reporting erroneous key value if applicable */ { - ulint blksz; /* block size */ + ulint blksz; /*!< block size */ for (blksz = 1; blksz < file->offset; blksz *= 2) { ulint half; @@ -1527,7 +1549,7 @@ row_merge_sort( return(DB_SUCCESS); } -/***************************************************************** +/*************************************************************//** Copy externally stored columns to the data tuple. */ static void @@ -1565,7 +1587,7 @@ row_merge_copy_blobs( } } -/************************************************************************ +/********************************************************************//** Read sorted file containing index data tuples and insert these data tuples to the index @return DB_SUCCESS or error number */ @@ -1687,7 +1709,7 @@ err_exit: return(error); } -/************************************************************************* +/*********************************************************************//** Sets an exclusive lock on a table, for the duration of creating indexes. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -1766,7 +1788,7 @@ run_again: return(err); } -/************************************************************************* +/*********************************************************************//** Drop an index from the InnoDB system tables. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. */ @@ -1817,7 +1839,7 @@ row_merge_drop_index( trx->op_info = ""; } -/************************************************************************* +/*********************************************************************//** Drop those indexes which were created before an error occurred when building an index. The data dictionary must have been locked exclusively by the caller, because the transaction will not be @@ -1838,7 +1860,7 @@ row_merge_drop_indexes( } } -/************************************************************************* +/*********************************************************************//** Drop all partially created indexes during crash recovery. */ UNIV_INTERN void @@ -1852,14 +1874,11 @@ row_merge_drop_temp_indexes(void) query graphs needed in deleting the dictionary data from system tables in Innobase. Deleting a row from SYS_INDEXES table also frees the file segments of the B-tree associated with the index. */ -#if TEMP_INDEX_PREFIX != '\377' -# error "TEMP_INDEX_PREFIX != '\377'" -#endif static const char drop_temp_indexes[] = "PROCEDURE DROP_TEMP_INDEXES_PROC () IS\n" "indexid CHAR;\n" "DECLARE CURSOR c IS SELECT ID FROM SYS_INDEXES\n" - "WHERE SUBSTR(NAME,0,1)='\377';\n" + "WHERE SUBSTR(NAME,0,1)='" TEMP_INDEX_PREFIX_STR "';\n" "BEGIN\n" "\tOPEN c;\n" "\tWHILE 1=1 LOOP\n" @@ -1894,7 +1913,7 @@ row_merge_drop_temp_indexes(void) trx_free_for_background(trx); } -/************************************************************************* +/*********************************************************************//** Create a merge file. */ static void @@ -1906,7 +1925,7 @@ row_merge_file_create( merge_file->offset = 0; } -/************************************************************************* +/*********************************************************************//** Destroy a merge file. */ static void @@ -1920,7 +1939,7 @@ row_merge_file_destroy( } } -/************************************************************************* +/*********************************************************************//** Determine the precise type of a column that is added to a tem if a column must be constrained NOT NULL. @return col->prtype, possibly ORed with DATA_NOT_NULL */ @@ -1955,7 +1974,7 @@ row_merge_col_prtype( return(prtype); } -/************************************************************************* +/*********************************************************************//** Create a temporary table for creating a primary key, using the definition of an existing table. @return table, or NULL on error */ @@ -2007,7 +2026,7 @@ row_merge_create_temporary_table( return(new_table); } -/************************************************************************* +/*********************************************************************//** Rename the temporary indexes in the dictionary to permanent ones. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. @@ -2025,15 +2044,12 @@ row_merge_rename_indexes( /* We use the private SQL parser of Innobase to generate the query graphs needed in renaming indexes. */ -#if TEMP_INDEX_PREFIX != '\377' -# error "TEMP_INDEX_PREFIX != '\377'" -#endif - static const char rename_indexes[] = "PROCEDURE RENAME_INDEXES_PROC () IS\n" "BEGIN\n" "UPDATE SYS_INDEXES SET NAME=SUBSTR(NAME,1,LENGTH(NAME)-1)\n" - "WHERE TABLE_ID = :tableid AND SUBSTR(NAME,0,1)='\377';\n" + "WHERE TABLE_ID = :tableid AND SUBSTR(NAME,0,1)='" + TEMP_INDEX_PREFIX_STR "';\n" "END;\n"; ut_ad(table); @@ -2061,7 +2077,7 @@ row_merge_rename_indexes( return(err); } -/************************************************************************* +/*********************************************************************//** Rename the tables in the data dictionary. The data dictionary must have been locked exclusively by the caller, because the transaction will not be committed. @@ -2136,7 +2152,7 @@ err_exit: return(err); } -/************************************************************************* +/*********************************************************************//** Create and execute a query graph for creating an index. @return DB_SUCCESS or error code */ static @@ -2147,9 +2163,9 @@ row_merge_create_index_graph( dict_table_t* table, /*!< in: table */ dict_index_t* index) /*!< in: index */ { - ind_node_t* node; /* Index creation node */ - mem_heap_t* heap; /* Memory heap */ - que_thr_t* thr; /* Query thread */ + ind_node_t* node; /*!< Index creation node */ + mem_heap_t* heap; /*!< Memory heap */ + que_thr_t* thr; /*!< Query thread */ ulint err; ut_ad(trx); @@ -2173,7 +2189,7 @@ row_merge_create_index_graph( return(err); } -/************************************************************************* +/*********************************************************************//** Create the index and load in to the dictionary. @return index, or NULL on error */ UNIV_INTERN @@ -2228,7 +2244,7 @@ row_merge_create_index( return(index); } -/************************************************************************* +/*********************************************************************//** Check if a transaction can use an index. */ UNIV_INTERN ibool @@ -2243,7 +2259,7 @@ row_merge_is_index_usable( (ulint) index->trx_id & 0xFFFFFFFF))); } -/************************************************************************* +/*********************************************************************//** Drop the old table. @return DB_SUCCESS or error code */ UNIV_INTERN @@ -2259,7 +2275,7 @@ row_merge_drop_table( return(row_drop_table_for_mysql(table->name, trx, FALSE)); } -/************************************************************************* +/*********************************************************************//** Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting these index entries and inserting sorted index entries to indexes. diff --git a/row/row0mysql.c b/row/row0mysql.c index 94c1deb703a..b915de20c33 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0mysql.c Interface between Innobase row operations and MySQL. Contains also create table and other data dictionary operations. @@ -51,35 +52,48 @@ Created 9/17/2000 Heikki Tuuri #include "fil0fil.h" #include "ibuf0ibuf.h" -/* Provide optional 4.x backwards compatibility for 5.0 and above */ +/** Provide optional 4.x backwards compatibility for 5.0 and above */ UNIV_INTERN ibool row_rollback_on_timeout = FALSE; -/* List of tables we should drop in background. ALTER TABLE in MySQL requires -that the table handler can drop the table in background when there are no -queries to it any more. Protected by the kernel mutex. */ +/** Chain node of the list of tables to drop in the background. */ typedef struct row_mysql_drop_struct row_mysql_drop_t; + +/** Chain node of the list of tables to drop in the background. */ struct row_mysql_drop_struct{ - char* table_name; - UT_LIST_NODE_T(row_mysql_drop_t) row_mysql_drop_list; + char* table_name; /*!< table name */ + UT_LIST_NODE_T(row_mysql_drop_t)row_mysql_drop_list; + /*!< list chain node */ }; +/** @brief List of tables we should drop in background. + +ALTER TABLE in MySQL requires that the table handler can drop the +table in background when there are no queries to it any +more. Protected by kernel_mutex. */ static UT_LIST_BASE_NODE_T(row_mysql_drop_t) row_mysql_drop_list; +/** Flag: has row_mysql_drop_list been initialized? */ static ibool row_mysql_drop_list_inited = FALSE; -/* Magic table names for invoking various monitor threads */ +/** Magic table names for invoking various monitor threads */ +/* @{ */ static const char S_innodb_monitor[] = "innodb_monitor"; static const char S_innodb_lock_monitor[] = "innodb_lock_monitor"; static const char S_innodb_tablespace_monitor[] = "innodb_tablespace_monitor"; static const char S_innodb_table_monitor[] = "innodb_table_monitor"; static const char S_innodb_mem_validate[] = "innodb_mem_validate"; +/* @} */ -/* Evaluates to true if str1 equals str2_onstack, used for comparing -the above strings. */ +/** Evaluates to true if str1 equals str2_onstack, used for comparing +the magic table names. +@param str1 in: string to compare +@param str1_len in: length of str1, in bytes, including terminating NUL +@param str2_onstack in: char[] array containing a NUL terminated string +@return TRUE if str1 equals str2_onstack */ #define STR_EQ(str1, str1_len, str2_onstack) \ ((str1_len) == sizeof(str2_onstack) \ && memcmp(str1, str2_onstack, sizeof(str2_onstack)) == 0) -/*********************************************************************** +/*******************************************************************//** Determine if the given name is a name reserved for MySQL system tables. @return TRUE if name is a MySQL system table name */ static @@ -98,7 +112,7 @@ row_mysql_is_system_table( || 0 == strcmp(name + 6, "db")); } -/************************************************************************* +/*********************************************************************//** If a table is not yet in the drop list, adds the table to the list of tables which the master thread drops in background. We need this on Unix because in ALTER TABLE MySQL may call drop table even if the table has running queries on @@ -111,7 +125,7 @@ row_add_table_to_background_drop_list( /*==================================*/ const char* name); /*!< in: table name */ -/*********************************************************************** +/*******************************************************************//** Delays an INSERT, DELETE or UPDATE operation if the purge is lagging. */ static void @@ -123,7 +137,7 @@ row_mysql_delay_if_needed(void) } } -/*********************************************************************** +/*******************************************************************//** Frees the blob heap in prebuilt when no longer needed. */ UNIV_INTERN void @@ -136,10 +150,11 @@ row_mysql_prebuilt_free_blob_heap( prebuilt->blob_heap = NULL; } -/*********************************************************************** +/*******************************************************************//** Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row format. -@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ UNIV_INTERN byte* row_mysql_store_true_var_len( @@ -164,10 +179,11 @@ row_mysql_store_true_var_len( return(dest + 1); } -/*********************************************************************** +/*******************************************************************//** Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and returns a pointer to the data. -@return pointer to the data, we skip the 1 or 2 bytes at the start that are used to store the len */ +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ UNIV_INTERN const byte* row_mysql_read_true_varchar( @@ -190,7 +206,7 @@ row_mysql_read_true_varchar( return(field + 1); } -/*********************************************************************** +/*******************************************************************//** Stores a reference to a BLOB in the MySQL format. */ UNIV_INTERN void @@ -227,7 +243,7 @@ row_mysql_store_blob_ref( memcpy(dest + col_len - 8, &data, sizeof data); } -/*********************************************************************** +/*******************************************************************//** Reads a reference to a BLOB in the MySQL format. @return pointer to BLOB data */ UNIV_INTERN @@ -249,7 +265,7 @@ row_mysql_read_blob_ref( return(data); } -/****************************************************************** +/**************************************************************//** Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. The counterpart of this function is row_sel_field_store_in_mysql_format() in row0sel.c. @@ -410,7 +426,7 @@ row_mysql_store_col_in_innobase_format( return(buf); } -/****************************************************************** +/**************************************************************//** Convert a row in the MySQL format to a row in the Innobase format. Note that the function to convert a MySQL format key value to an InnoDB dtuple is row_sel_convert_mysql_key_to_innobase() in row0sel.c. */ @@ -466,9 +482,10 @@ next_column: } } -/******************************************************************** +/****************************************************************//** Handles user errors and lock waits detected by the database engine. -@return TRUE if it was a lock wait and we should continue running the query thread */ +@return TRUE if it was a lock wait and we should continue running the +query thread */ UNIV_INTERN ibool row_mysql_handle_errors( @@ -575,7 +592,7 @@ handle_new_error: return(FALSE); } -/************************************************************************ +/********************************************************************//** Create a prebuilt struct for a MySQL table handle. @return own: a prebuilt struct */ UNIV_INTERN @@ -636,7 +653,7 @@ row_create_prebuilt( return(prebuilt); } -/************************************************************************ +/********************************************************************//** Free a prebuilt struct for a MySQL table handle. */ UNIV_INTERN void @@ -721,7 +738,7 @@ row_prebuilt_free( mem_heap_free(prebuilt->heap); } -/************************************************************************* +/*********************************************************************//** Updates the transaction pointers in query graphs stored in the prebuilt struct. */ UNIV_INTERN @@ -771,7 +788,7 @@ row_update_prebuilt_trx( } } -/************************************************************************* +/*********************************************************************//** Gets pointer to a prebuilt dtuple used in insertions. If the insert graph has not yet been built in the prebuilt struct, then this function first builds it. @@ -820,7 +837,7 @@ row_get_prebuilt_insert_row( return(prebuilt->ins_node->row); } -/************************************************************************* +/*********************************************************************//** Updates the table modification counter and calculates new estimates for table and index statistics if necessary. */ UNIV_INLINE @@ -848,7 +865,7 @@ row_update_statistics_if_needed( } } -/************************************************************************* +/*********************************************************************//** Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ UNIV_INTERN void @@ -863,7 +880,7 @@ row_unlock_table_autoinc_for_mysql( mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** Sets an AUTO_INC type lock on the table mentioned in prebuilt. The AUTO_INC lock gives exclusive access to the auto-inc counter of the table. The lock is reserved only for the duration of an SQL statement. @@ -943,7 +960,7 @@ run_again: return((int) err); } -/************************************************************************* +/*********************************************************************//** Sets a table lock on the table mentioned in prebuilt. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -1020,7 +1037,7 @@ run_again: return((int) err); } -/************************************************************************* +/*********************************************************************//** Does an insert for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -1152,7 +1169,7 @@ run_again: return((int) err); } -/************************************************************************* +/*********************************************************************//** Builds a dummy query graph used in selects. */ UNIV_INTERN void @@ -1178,7 +1195,7 @@ row_prebuild_sel_graph( } } -/************************************************************************* +/*********************************************************************//** Creates an query graph node of 'update' type to be used in the MySQL interface. @return own: update node */ @@ -1214,7 +1231,7 @@ row_create_update_node_for_mysql( return(node); } -/************************************************************************* +/*********************************************************************//** Gets pointer to a prebuilt update vector used in updates. If the update graph has not yet been built in the prebuilt struct, then this function first builds it. @@ -1250,7 +1267,7 @@ row_get_prebuilt_update_vector( return(prebuilt->upd_node->update); } -/************************************************************************* +/*********************************************************************//** Does an update or delete of a row for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -1405,7 +1422,7 @@ run_again: return((int) err); } -/************************************************************************* +/*********************************************************************//** This can only be used when srv_locks_unsafe_for_binlog is TRUE or this session is using a READ COMMITTED isolation level. Before calling this function we must use trx_reset_new_rec_lock_info() and @@ -1532,7 +1549,7 @@ row_unlock_for_mysql( return(DB_SUCCESS); } -/************************************************************************** +/**********************************************************************//** Does a cascaded delete or set null in a foreign key operation. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -1601,7 +1618,7 @@ run_again: return(err); } -/************************************************************************* +/*********************************************************************//** Checks if a table is such that we automatically created a clustered index on it (on row id). @return TRUE if the clustered index was generated automatically */ @@ -1618,7 +1635,7 @@ row_table_got_default_clust_index( return(dict_index_get_nth_col(clust_index, 0)->mtype == DATA_SYS); } -/************************************************************************* +/*********************************************************************//** Calculates the key number used inside MySQL for an Innobase index. We have to take into account if we generated a default clustered index for the table @return the key number used inside MySQL */ @@ -1649,7 +1666,7 @@ row_get_mysql_key_number_for_index( return(i); } -/************************************************************************* +/*********************************************************************//** Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ UNIV_INTERN @@ -1667,7 +1684,7 @@ row_mysql_freeze_data_dictionary_func( trx->dict_operation_lock_mode = RW_S_LATCH; } -/************************************************************************* +/*********************************************************************//** Unlocks the data dictionary shared lock. */ UNIV_INTERN void @@ -1682,7 +1699,7 @@ row_mysql_unfreeze_data_dictionary( trx->dict_operation_lock_mode = 0; } -/************************************************************************* +/*********************************************************************//** Locks the data dictionary exclusively for performing a table create or other data dictionary modification operation. */ UNIV_INTERN @@ -1705,7 +1722,7 @@ row_mysql_lock_data_dictionary_func( mutex_enter(&(dict_sys->mutex)); } -/************************************************************************* +/*********************************************************************//** Unlocks the data dictionary exclusive lock. */ UNIV_INTERN void @@ -1724,7 +1741,7 @@ row_mysql_unlock_data_dictionary( trx->dict_operation_lock_mode = 0; } -/************************************************************************* +/*********************************************************************//** Creates a table for MySQL. If the name of the table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also start the printing of monitor @@ -1920,7 +1937,7 @@ err_exit: return((int) err); } -/************************************************************************* +/*********************************************************************//** Does an index creation operation for MySQL. TODO: currently failure to create an index results in dropping the whole table! This is no problem currently as all indexes must be created at the same time as the table. @@ -2047,7 +2064,7 @@ error_handling: return((int) err); } -/************************************************************************* +/*********************************************************************//** Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. @@ -2111,7 +2128,7 @@ row_table_add_foreign_constraints( return((int) err); } -/************************************************************************* +/*********************************************************************//** Drops a table for MySQL as a background operation. MySQL relies on Unix in ALTER TABLE to the fact that the table handler does not remove the table before all handles to it has been removed. Furhermore, the MySQL's @@ -2157,7 +2174,7 @@ row_drop_table_for_mysql_in_background( return((int) error); } -/************************************************************************* +/*********************************************************************//** The master thread in srv0srv.c calls this regularly to drop tables which we must drop in background after queries to them have ended. Such lazy dropping of tables is needed in ALTER TABLE on Unix. @@ -2232,7 +2249,7 @@ already_dropped: goto loop; } -/************************************************************************* +/*********************************************************************//** Get the background drop list length. NOTE: the caller must own the kernel mutex! @return how many tables in list */ @@ -2252,7 +2269,7 @@ row_get_background_drop_list_len_low(void) return(UT_LIST_GET_LEN(row_mysql_drop_list)); } -/************************************************************************* +/*********************************************************************//** If a table is not yet in the drop list, adds the table to the list of tables which the master thread drops in background. We need this on Unix because in ALTER TABLE MySQL may call drop table even if the table has running queries on @@ -2305,7 +2322,7 @@ row_add_table_to_background_drop_list( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Discards the tablespace of a table which stored in an .ibd file. Discarding means that this function deletes the .ibd file and assigns a new table id for the table. Also the flag table->ibd_file_missing is set TRUE. @@ -2497,7 +2514,7 @@ funct_exit: return((int) err); } -/********************************************************************* +/*****************************************************************//** Imports a tablespace. The space id in the .ibd file must match the space id of the table in the data dictionary. @return error code or DB_SUCCESS */ @@ -2635,7 +2652,7 @@ funct_exit: return((int) err); } -/************************************************************************* +/*********************************************************************//** Truncates a table for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -2961,7 +2978,7 @@ funct_exit: return((int) err); } -/************************************************************************* +/*********************************************************************//** Drops a table for MySQL. If the name of the dropped table ends in one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", "innodb_table_monitor", then this will also stop the printing of monitor @@ -3355,7 +3372,7 @@ funct_exit: return((int) err); } -/*********************************************************************** +/*******************************************************************//** Drop all foreign keys in a database, see Bug#18942. Called at the end of row_drop_database_for_mysql(). @return error code or DB_SUCCESS */ @@ -3375,7 +3392,7 @@ drop_all_foreign_keys_in_db( pars_info_add_str_literal(pinfo, "dbname", name); -/* true if for_name is not prefixed with dbname */ +/** true if for_name is not prefixed with dbname */ #define TABLE_NOT_IN_THIS_DB \ "SUBSTR(for_name, 0, LENGTH(:dbname)) <> :dbname" @@ -3415,7 +3432,7 @@ drop_all_foreign_keys_in_db( return(err); } -/************************************************************************* +/*********************************************************************//** Drops a database for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -3509,7 +3526,7 @@ loop: return(err); } -/************************************************************************* +/*********************************************************************//** Checks if a table name contains the string "/#sql" which denotes temporary tables in MySQL. @return TRUE if temporary table */ @@ -3524,7 +3541,7 @@ row_is_mysql_tmp_table_name( /* return(strstr(name, "/@0023sql") != NULL); */ } -/******************************************************************** +/****************************************************************//** Delete a single constraint. @return error code or DB_SUCCESS */ static @@ -3547,7 +3564,7 @@ row_delete_constraint_low( , FALSE, trx)); } -/******************************************************************** +/****************************************************************//** Delete a single constraint. @return error code or DB_SUCCESS */ static @@ -3580,7 +3597,7 @@ row_delete_constraint( return((int) err); } -/************************************************************************* +/*********************************************************************//** Renames a table for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -3901,7 +3918,7 @@ funct_exit: return(err); } -/************************************************************************* +/*********************************************************************//** Checks that the index contains entries in an ascending order, unique constraint is not broken, and calculates the number of index entries in the read view of the current transaction. @@ -4076,7 +4093,7 @@ not_ok: goto loop; } -/************************************************************************* +/*********************************************************************//** Checks a table for corruption. @return DB_ERROR or DB_SUCCESS */ UNIV_INTERN @@ -4188,7 +4205,7 @@ row_check_table_for_mysql( return(ret); } -/************************************************************************* +/*********************************************************************//** Determines if a table is a magic monitor table. @return TRUE if monitor table */ UNIV_INTERN diff --git a/row/row0purge.c b/row/row0purge.c index b2bfc50ada1..e8d8bdf81ce 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0purge.c Purge obsolete records Created 3/14/1997 Heikki Tuuri @@ -43,7 +44,7 @@ Created 3/14/1997 Heikki Tuuri #include "row0mysql.h" #include "log0log.h" -/************************************************************************ +/********************************************************************//** Creates a purge node to a query graph. @return own: purge node */ UNIV_INTERN @@ -67,7 +68,7 @@ row_purge_node_create( return(node); } -/*************************************************************** +/***********************************************************//** Repositions the pcur in the purge node on the clustered index record, if found. @return TRUE if the record was found */ @@ -98,9 +99,10 @@ row_purge_reposition_pcur( return(found); } -/*************************************************************** +/***********************************************************//** Removes a delete marked clustered index record if possible. -@return TRUE if success, or if not found, or if modified after the delete marking */ +@return TRUE if success, or if not found, or if modified after the +delete marking */ static ibool row_purge_remove_clust_if_poss_low( @@ -176,7 +178,7 @@ row_purge_remove_clust_if_poss_low( return(success); } -/*************************************************************** +/***********************************************************//** Removes a clustered index record if it has not been modified after the delete marking. */ static @@ -212,7 +214,7 @@ retry: ut_a(success); } -/*************************************************************** +/***********************************************************//** Determines if it is possible to remove a secondary index entry. Removal is possible if the secondary index entry does not refer to any not delete marked version of a clustered index record where DB_TRX_ID @@ -388,7 +390,7 @@ row_purge_remove_sec_if_poss_leaf( return(FALSE); } -/*************************************************************** +/***********************************************************//** Removes a secondary index entry if possible. */ UNIV_INLINE void @@ -425,7 +427,7 @@ retry: ut_a(success); } -/*************************************************************** +/***********************************************************//** Purges a delete marking of a record. */ static void @@ -457,7 +459,7 @@ row_purge_del_mark( row_purge_remove_clust_if_poss(node); } -/*************************************************************** +/***********************************************************//** Purges an update of an existing record. Also purges an update of a delete marked record if that record contained an externally stored field. */ static @@ -571,9 +573,10 @@ skip_secondaries: } } -/*************************************************************** +/***********************************************************//** Parses the row reference and other info in a modify undo log record. -@return TRUE if purge operation required: NOTE that then the CALLER must unfreeze data dictionary! */ +@return TRUE if purge operation required: NOTE that then the CALLER +must unfreeze data dictionary! */ static ibool row_purge_parse_undo_rec( @@ -673,7 +676,7 @@ err_exit: return(TRUE); } -/*************************************************************** +/***********************************************************//** Fetches an undo log record and does the purge for the recorded operation. If none left, or the current purge completed, returns the control to the parent node, which is always a query thread node. @@ -747,7 +750,7 @@ row_purge( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Does the purge operation for a single undo log record. This is a high-level function used in an SQL execution graph. @return query thread to run next or NULL */ diff --git a/row/row0row.c b/row/row0row.c index 37b740696f3..24f4ff30952 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0row.c General row routines Created 4/20/1996 Heikki Tuuri @@ -46,7 +47,7 @@ Created 4/20/1996 Heikki Tuuri #include "read0read.h" #include "ut0mem.h" -/************************************************************************* +/*********************************************************************//** Gets the offset of trx id field, in bytes relative to the origin of a clustered index record. @return offset of DATA_TRX_ID */ @@ -75,10 +76,12 @@ row_get_trx_id_offset( return(offset); } -/********************************************************************* +/*****************************************************************//** When an insert or purge to a table is performed, this function builds the entry to be inserted into or purged from an index on the table. -@return index entry which should be inserted or purged, or NULL if the externally stored columns in the clustered index record are unavailable and ext != NULL */ +@return index entry which should be inserted or purged, or NULL if the +externally stored columns in the clustered index record are +unavailable and ext != NULL */ UNIV_INTERN dtuple_t* row_build_index_entry( @@ -163,7 +166,7 @@ row_build_index_entry( return(entry); } -/*********************************************************************** +/*******************************************************************//** An inverse function to row_build_index_entry. Builds a row from a record in a clustered index. @return own: row built; see the NOTE below! */ @@ -306,9 +309,10 @@ row_build( return(row); } -/*********************************************************************** +/*******************************************************************//** Converts an index record to a typed data tuple. -@return index entry built; does not set info_bits, and the data fields in the entry will point directly to rec */ +@return index entry built; does not set info_bits, and the data fields +in the entry will point directly to rec */ UNIV_INTERN dtuple_t* row_rec_to_index_entry_low( @@ -363,7 +367,7 @@ row_rec_to_index_entry_low( return(entry); } -/*********************************************************************** +/*******************************************************************//** Converts an index record to a typed data tuple. NOTE that externally stored (often big) fields are NOT copied to heap. @return own: index entry built; see the NOTE below! */ @@ -415,7 +419,7 @@ row_rec_to_index_entry( return(entry); } -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. @return own: row reference built; see the NOTE below! */ @@ -526,7 +530,7 @@ row_build_row_ref( return(ref); } -/*********************************************************************** +/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. */ UNIV_INTERN @@ -639,7 +643,7 @@ notfound: } } -/*********************************************************************** +/*******************************************************************//** From a row build a row reference with which we can search the clustered index record. */ UNIV_INTERN @@ -700,7 +704,7 @@ row_build_row_ref_from_row( ut_ad(dtuple_check_typed(ref)); } -/******************************************************************* +/***************************************************************//** Searches the clustered index record for a row, if we have the row reference. @return TRUE if found */ UNIV_INTERN @@ -743,7 +747,7 @@ row_search_on_row_ref( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Fetches the clustered index record for a secondary index record. The latches on the secondary index record are preserved. @return record or NULL, if no record found */ @@ -785,7 +789,7 @@ row_get_clust_rec( return(clust_rec); } -/******************************************************************* +/***************************************************************//** Searches an index record. @return whether the record was found or buffered */ UNIV_INTERN @@ -820,6 +824,11 @@ row_search_index_entry( case BTR_CUR_DELETE_IBUF: case BTR_CUR_INSERT_TO_IBUF: return(ROW_BUFFERED); + + case BTR_CUR_HASH: + case BTR_CUR_HASH_FAIL: + case BTR_CUR_BINARY: + break; } low_match = btr_pcur_get_low_match(pcur); @@ -841,7 +850,7 @@ row_search_index_entry( #include -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) that is of type DATA_INT using "prtype" and writes the result to "buf". If the data is in unknown format, then nothing is written to "buf", @@ -895,7 +904,7 @@ row_raw_format_int( return(ut_min(ret, buf_size)); } -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) that is of type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "prtype" and writes the result to "buf". @@ -949,13 +958,13 @@ row_raw_format_str( buf, buf_size)); } -/*********************************************************************** +/*******************************************************************//** Formats the raw data in "data" (in InnoDB on-disk format) using "dict_field" and writes the result to "buf". Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the +The result is always NUL-terminated (provided buf_size is positive) and the number of bytes that were written to "buf" is returned (including the -terminating '\0'). +terminating NUL). @return number of bytes that were written */ UNIV_INTERN ulint diff --git a/row/row0sel.c b/row/row0sel.c index 6e0cea689fe..ea6945813ed 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************* +/***************************************************//** +@file row/row0sel.c Select Created 12/19/1997 Heikki Tuuri @@ -74,7 +75,7 @@ to que_run_threads: this is to allow canceling runaway queries */ #define SEL_EXHAUSTED 1 #define SEL_RETRY 2 -/************************************************************************ +/********************************************************************//** Returns TRUE if the user-defined column in a secondary index record is alphabetically the same as the corresponding BLOB column in the clustered index record. @@ -124,13 +125,14 @@ row_sel_sec_rec_is_for_blob( return(!cmp_data_data(mtype, prtype, buf, len, sec_field, sec_len)); } -/************************************************************************ +/********************************************************************//** Returns TRUE if the user-defined column values in a secondary index record are alphabetically the same as the corresponding columns in the clustered index record. NOTE: the comparison is NOT done as a binary comparison, but character fields are compared with collation! -@return TRUE if the secondary record is equal to the corresponding fields in the clustered record, when compared with collation */ +@return TRUE if the secondary record is equal to the corresponding +fields in the clustered record, when compared with collation */ static ibool row_sel_sec_rec_is_for_clust_rec( @@ -234,7 +236,7 @@ func_exit: return(is_equal); } -/************************************************************************* +/*********************************************************************//** Creates a select node struct. @return own: select node struct */ UNIV_INTERN @@ -254,7 +256,7 @@ sel_node_create( return(node); } -/************************************************************************* +/*********************************************************************//** Frees the memory private to a select node when a query graph is freed, does not free the heap where the node was originally created. */ UNIV_INTERN @@ -280,7 +282,7 @@ sel_node_free_private( } } -/************************************************************************* +/*********************************************************************//** Evaluates the values in a select list. If there are aggregate functions, their argument value is added to the aggregate total. */ UNIV_INLINE @@ -300,7 +302,7 @@ sel_eval_select_list( } } -/************************************************************************* +/*********************************************************************//** Assigns the values in the select list to the possible into-variables in SELECT ... INTO ... */ UNIV_INLINE @@ -329,7 +331,7 @@ sel_assign_into_var_values( } } -/************************************************************************* +/*********************************************************************//** Resets the aggregate value totals in the select list of an aggregate type query. */ UNIV_INLINE @@ -353,7 +355,7 @@ sel_reset_aggregate_vals( node->aggregate_already_fetched = FALSE; } -/************************************************************************* +/*********************************************************************//** Copies the input variable values when an explicit cursor is opened. */ UNIV_INLINE void @@ -374,7 +376,7 @@ row_sel_copy_input_variable_vals( } } -/************************************************************************* +/*********************************************************************//** Fetches the column values from a record. */ static void @@ -453,7 +455,7 @@ row_sel_fetch_columns( } } -/************************************************************************* +/*********************************************************************//** Allocates a prefetch buffer for a column when prefetch is first time done. */ static void @@ -477,7 +479,7 @@ sel_col_prefetch_buf_alloc( } } -/************************************************************************* +/*********************************************************************//** Frees a prefetch buffer for a column, including the dynamically allocated memory for data stored there. */ UNIV_INTERN @@ -499,7 +501,7 @@ sel_col_prefetch_buf_free( } } -/************************************************************************* +/*********************************************************************//** Pops the column values for a prefetched, cached row from the column prefetch buffers and places them to the val fields in the column nodes. */ static @@ -561,7 +563,7 @@ next_col: plan->first_prefetched++; } -/************************************************************************* +/*********************************************************************//** Pushes the column values for a prefetched, cached row to the column prefetch buffers from the val fields in the column nodes. */ UNIV_INLINE @@ -633,7 +635,7 @@ next_col: } } -/************************************************************************* +/*********************************************************************//** Builds a previous version of a clustered index record for a consistent read @return DB_SUCCESS or error code */ static @@ -668,7 +670,7 @@ row_sel_build_prev_vers( return(err); } -/************************************************************************* +/*********************************************************************//** Builds the last committed version of a clustered index record for a semi-consistent read. @return DB_SUCCESS or error code */ @@ -703,7 +705,7 @@ row_sel_build_committed_vers_for_mysql( return(err); } -/************************************************************************* +/*********************************************************************//** Tests the conditions which determine when the index segment we are searching through has been exhausted. @return TRUE if row passed the tests */ @@ -741,7 +743,7 @@ row_sel_test_end_conds( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Tests the other conditions. @return TRUE if row passed the tests */ UNIV_INLINE @@ -769,7 +771,7 @@ row_sel_test_other_conds( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Retrieves the clustered index record corresponding to a record in a non-clustered index. Does the necessary locking. @return DB_SUCCESS or error code */ @@ -933,7 +935,7 @@ err_exit: return(err); } -/************************************************************************* +/*********************************************************************//** Sets a lock on a record. @return DB_SUCCESS or error code */ UNIV_INLINE @@ -972,7 +974,7 @@ sel_set_rec_lock( return(err); } -/************************************************************************* +/*********************************************************************//** Opens a pcur to a table index. */ static void @@ -1047,9 +1049,12 @@ row_sel_open_pcur( plan->pcur_is_open = TRUE; } -/************************************************************************* +/*********************************************************************//** Restores a stored pcur position to a table index. -@return TRUE if the cursor should be moved to the next record after we return from this function (moved to the previous, in the case of a descending cursor) without processing again the current cursor record */ +@return TRUE if the cursor should be moved to the next record after we +return from this function (moved to the previous, in the case of a +descending cursor) without processing again the current cursor +record */ static ibool row_sel_restore_pcur_pos( @@ -1139,7 +1144,7 @@ row_sel_restore_pcur_pos( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Resets a plan cursor to a closed state. */ UNIV_INLINE void @@ -1153,7 +1158,7 @@ plan_reset_cursor( plan->n_rows_prefetched = 0; } -/************************************************************************* +/*********************************************************************//** Tries to do a shortcut to fetch a clustered index record with a unique key, using the hash index if possible (not always). @return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ @@ -1255,7 +1260,7 @@ func_exit: return(ret); } -/************************************************************************* +/*********************************************************************//** Performs a select step. @return DB_SUCCESS or error code */ static @@ -1956,7 +1961,7 @@ func_exit: return(err); } -/************************************************************************** +/**********************************************************************//** Performs a select step. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ @@ -2058,7 +2063,7 @@ row_sel_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Performs a fetch for a cursor. @return query thread to run next or NULL */ UNIV_INTERN @@ -2121,7 +2126,7 @@ fetch_step( return(thr); } -/******************************************************************** +/****************************************************************//** Sample callback function for fetch that prints each row. @return always returns non-NULL */ UNIV_INTERN @@ -2165,7 +2170,7 @@ row_fetch_print( return((void*)42); } -/******************************************************************** +/****************************************************************//** Callback function for fetch that stores an unsigned 4 byte integer to the location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length = 4. @@ -2195,7 +2200,7 @@ row_fetch_store_uint4( return(NULL); } -/*************************************************************** +/***********************************************************//** Prints a row in a select result. @return query thread to run next or NULL */ UNIV_INTERN @@ -2258,7 +2263,7 @@ row_printf_step( return(thr); } -/******************************************************************** +/****************************************************************//** Converts a key value stored in MySQL format to an Innobase dtuple. The last field of the key value may be just a prefix of a fixed length field: hence the parameter key_len. But currently we do not allow search keys where the @@ -2462,7 +2467,7 @@ row_sel_convert_mysql_key_to_innobase( dtuple_set_n_fields(tuple, n_fields); } -/****************************************************************** +/**************************************************************//** Stores the row id to the prebuilt struct. */ static void @@ -2500,7 +2505,7 @@ row_sel_store_row_id_to_prebuilt( ut_memcpy(prebuilt->row_id, data, len); } -/****************************************************************** +/**************************************************************//** Stores a non-SQL-NULL field in the MySQL format. The counterpart of this function is row_mysql_store_col_in_innobase_format() in row0mysql.c. */ static @@ -2655,12 +2660,13 @@ row_sel_field_store_in_mysql_format( } } -/****************************************************************** +/**************************************************************//** Convert a row in the Innobase format to a row in the MySQL format. Note that the template in prebuilt may advise us to copy only a few columns to mysql_rec, other columns are left blank. All columns may not be needed in the query. -@return TRUE if success, FALSE if could not allocate memory for a BLOB (though we may also assert in that case) */ +@return TRUE if success, FALSE if could not allocate memory for a BLOB +(though we may also assert in that case) */ static ibool row_sel_store_mysql_rec( @@ -2784,7 +2790,7 @@ row_sel_store_mysql_rec( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Builds a previous version of a clustered index record for a consistent read @return DB_SUCCESS or error code */ static @@ -2819,7 +2825,7 @@ row_sel_build_prev_vers_for_mysql( return(err); } -/************************************************************************* +/*********************************************************************//** Retrieves the clustered index record corresponding to a record in a non-clustered index. Does the necessary locking. Used in the MySQL interface. @@ -3003,11 +3009,12 @@ err_exit: return(err); } -/************************************************************************ +/********************************************************************//** Restores cursor position after it has been stored. We have to take into account that the record cursor was positioned on may have been deleted. Then we may have to move the cursor one step up or down. -@return TRUE if we may need to process the record the cursor is now positioned on (i.e. we should not go to the next record yet) */ +@return TRUE if we may need to process the record the cursor is now +positioned on (i.e. we should not go to the next record yet) */ static ibool sel_restore_position_for_mysql( @@ -3070,7 +3077,7 @@ sel_restore_position_for_mysql( return(TRUE); } -/************************************************************************ +/********************************************************************//** Pops a cached row for MySQL from the fetch cache. */ UNIV_INLINE void @@ -3120,7 +3127,7 @@ row_sel_pop_cached_row_for_mysql( } } -/************************************************************************ +/********************************************************************//** Pushes a row for MySQL to the fetch cache. */ UNIV_INLINE void @@ -3169,7 +3176,7 @@ row_sel_push_cache_row_for_mysql( prebuilt->n_fetch_cached++; } -/************************************************************************* +/*********************************************************************//** Tries to do a shortcut to fetch a clustered index record with a unique key, using the hash index if possible (not always). We assume that the search mode is PAGE_CUR_GE, it is a consistent read, there is a read view in trx, @@ -3240,13 +3247,14 @@ row_sel_try_search_shortcut_for_mysql( return(SEL_FOUND); } -/************************************************************************ +/********************************************************************//** Searches for rows in the database. This is used in the interface to MySQL. This function opens a cursor, and also implements fetch next and fetch prev. NOTE that if we do a search with a full key value from a unique index (ROW_SEL_EXACT), then we will not store the cursor position and fetch next or fetch prev must not be tried to the cursor! -@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */ +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, +DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */ UNIV_INTERN ulint row_search_for_mysql( @@ -4540,7 +4548,7 @@ func_exit: return(err); } -/*********************************************************************** +/*******************************************************************//** Checks if MySQL at the moment is allowed for this table to retrieve a consistent read result, or store it to the query cache. @return TRUE if storing or retrieving from the query cache is permitted */ @@ -4596,7 +4604,7 @@ row_search_check_if_query_cache_permitted( return(ret); } -/*********************************************************************** +/*******************************************************************//** Read the AUTOINC column from the current row. If the value is less than 0 and the type is not unsigned then we reset the value to 0. @return value read from the column */ @@ -4639,7 +4647,7 @@ row_search_autoinc_read_column( return(value); } -/*********************************************************************** +/*******************************************************************//** Get the last row. @return current rec or NULL */ static @@ -4660,9 +4668,10 @@ row_search_autoinc_get_rec( return(NULL); } -/*********************************************************************** +/*******************************************************************//** Read the max AUTOINC value from an index. -@return DB_SUCCESS if all OK else error code, DB_RECORD_NOT_FOUND if column name can't be found in index */ +@return DB_SUCCESS if all OK else error code, DB_RECORD_NOT_FOUND if +column name can't be found in index */ UNIV_INTERN ulint row_search_max_autoinc( diff --git a/row/row0uins.c b/row/row0uins.c index 27e10ec611f..14432f88793 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0uins.c Fresh insert undo Created 2/25/1997 Heikki Tuuri @@ -45,7 +46,7 @@ Created 2/25/1997 Heikki Tuuri #include "ibuf0ibuf.h" #include "log0log.h" -/******************************************************************* +/***************************************************************//** Removes a clustered index record. The pcur in node was positioned on the record, now it is detached. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ @@ -131,7 +132,7 @@ retry: return(err); } -/******************************************************************* +/***************************************************************//** Removes a secondary index entry if found. @return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ static @@ -197,7 +198,7 @@ func_exit: return(err); } -/******************************************************************* +/***************************************************************//** Removes a secondary index entry from the index if found. Tries first optimistic, then pessimistic descent down the tree. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ @@ -240,7 +241,7 @@ retry: return(err); } -/*************************************************************** +/***********************************************************//** Parses the row reference and other info in a fresh insert undo record. */ static void @@ -289,7 +290,7 @@ row_undo_ins_parse_undo_rec( } } -/*************************************************************** +/***********************************************************//** Undoes a fresh insert of a row to a table. A fresh insert means that the same clustered index unique key did not have any record, even delete marked, at the time of the insert. InnoDB is eager in a rollback: diff --git a/row/row0umod.c b/row/row0umod.c index c3701f8e61a..4d50c1d945a 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0umod.c Undo modify of a row Created 2/27/1997 Heikki Tuuri @@ -57,7 +58,7 @@ delete marked clustered index record was delete unmarked and possibly also some of its fields were changed. Now, it is possible that the delete marked version has become obsolete at the time the undo is started. */ -/*************************************************************** +/***********************************************************//** Checks if also the previous version of the clustered index record was modified or inserted by the same transaction, and its undo number is such that it should be undone in the same rollback. @@ -87,7 +88,7 @@ row_undo_mod_undo_also_prev_vers( return(ut_dulint_cmp(trx->roll_limit, *undo_no) <= 0); } -/*************************************************************** +/***********************************************************//** Undoes a modify in a clustered index record. @return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ static @@ -141,7 +142,7 @@ row_undo_mod_clust_low( return(err); } -/*************************************************************** +/***********************************************************//** Removes a clustered index record after undo if possible. @return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ static @@ -203,7 +204,7 @@ row_undo_mod_remove_clust_low( return(err); } -/*************************************************************** +/***********************************************************//** Undoes a modify in a clustered index record. Sets also the node state for the next round of undo. @return DB_SUCCESS or error code: we may run out of file space */ @@ -292,7 +293,7 @@ row_undo_mod_clust( return(err); } -/*************************************************************** +/***********************************************************//** Delete marks or removes a secondary index entry if found. @return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ static @@ -404,7 +405,7 @@ func_exit: return(err); } -/*************************************************************** +/***********************************************************//** Delete marks or removes a secondary index entry if found. NOTE that if we updated the fields of a delete-marked secondary index record so that alphabetically they stayed the same, e.g., 'abc' -> 'aBc', we cannot @@ -436,7 +437,7 @@ row_undo_mod_del_mark_or_remove_sec( return(err); } -/*************************************************************** +/***********************************************************//** Delete unmarks a secondary index entry which must be found. It might not be delete-marked at the moment, but it does not harm to unmark it anyway. We also need to update the fields of the secondary index record if we updated its @@ -544,7 +545,7 @@ row_undo_mod_del_unmark_sec_and_undo_update( return(err); } -/*************************************************************** +/***********************************************************//** Undoes a modify in secondary indexes when undo record type is UPD_DEL. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static @@ -597,7 +598,7 @@ row_undo_mod_upd_del_sec( return(err); } -/*************************************************************** +/***********************************************************//** Undoes a modify in secondary indexes when undo record type is DEL_MARK. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static @@ -642,7 +643,7 @@ row_undo_mod_del_mark_sec( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Undoes a modify in secondary indexes when undo record type is UPD_EXIST. @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ static @@ -728,7 +729,7 @@ row_undo_mod_upd_exist_sec( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Parses the row reference and other info in a modify undo log record. */ static void @@ -788,7 +789,7 @@ row_undo_mod_parse_undo_rec( node->cmpl_info = cmpl_info; } -/*************************************************************** +/***********************************************************//** Undoes a modify operation on a row of a table. @return DB_SUCCESS or error code */ UNIV_INTERN diff --git a/row/row0undo.c b/row/row0undo.c index 754ea914a58..3d739c9689a 100644 --- a/row/row0undo.c +++ b/row/row0undo.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0undo.c Row undo Created 1/8/1997 Heikki Tuuri @@ -119,7 +120,7 @@ doing the purge. Similarly, during a rollback, a record can be removed if the stored roll ptr in the undo log points to a trx already (being) purged, or if the roll ptr is NULL, i.e., it was a fresh insert. */ -/************************************************************************ +/********************************************************************//** Creates a row undo node to a query graph. @return own: undo node */ UNIV_INTERN @@ -149,12 +150,13 @@ row_undo_node_create( return(undo); } -/*************************************************************** +/***********************************************************//** Looks for the clustered index record when node has the row reference. The pcur in node is used in the search. If found, stores the row to node, and stores the position of pcur, and detaches it. The pcur must be closed by the caller in any case. -@return TRUE if found; NOTE the node->pcur must be closed by the caller, regardless of the return value */ +@return TRUE if found; NOTE the node->pcur must be closed by the +caller, regardless of the return value */ UNIV_INTERN ibool row_undo_search_clust_to_pcur( @@ -221,7 +223,7 @@ row_undo_search_clust_to_pcur( return(ret); } -/*************************************************************** +/***********************************************************//** Fetches an undo log record and does the undo for the recorded operation. If none left, or a partial rollback completed, returns control to the parent node, which is always a query thread node. @@ -323,7 +325,7 @@ row_undo( return(err); } -/*************************************************************** +/***********************************************************//** Undoes a row operation in a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ diff --git a/row/row0upd.c b/row/row0upd.c index b960dddfecf..537908e9b78 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0upd.c Update of a row Created 12/27/1996 Heikki Tuuri @@ -91,7 +92,7 @@ the x-latch freed? The most efficient way for performing a searched delete is obviously to keep the x-latch for several steps of query graph execution. */ -/*************************************************************** +/***********************************************************//** Checks if an update vector changes some of the first ordering fields of an index record. This is only used in foreign key checks and we can assume that index does not contain column prefixes. @@ -106,10 +107,15 @@ row_upd_changes_first_fields_binary( ulint n); /*!< in: how many first fields to check */ -/************************************************************************* +/*********************************************************************//** Checks if index currently is mentioned as a referenced index in a foreign key constraint. -@return TRUE if referenced; NOTE that since we do not hold dict_operation_lock when leaving the function, it may be that the referencing table has been dropped when we leave this function: this function is only for heuristic use! */ + +NOTE that since we do not hold dict_operation_lock when leaving the +function, it may be that the referencing table has been dropped when +we leave this function: this function is only for heuristic use! + +@return TRUE if referenced */ static ibool row_upd_index_is_referenced( @@ -152,10 +158,13 @@ func_exit: return(is_referenced); } -/************************************************************************* +/*********************************************************************//** Checks if possible foreign key constraints hold after a delete of the record -under pcur. NOTE that this function will temporarily commit mtr and lose the +under pcur. + +NOTE that this function will temporarily commit mtr and lose the pcur position! + @return DB_SUCCESS or an error code */ static ulint @@ -273,7 +282,7 @@ func_exit: return(err); } -/************************************************************************* +/*********************************************************************//** Creates an update node for a query graph. @return own: update node */ UNIV_INTERN @@ -312,7 +321,7 @@ upd_node_create( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Updates the trx id and roll ptr field in a clustered index record in database recovery. */ UNIV_INTERN @@ -346,7 +355,7 @@ row_upd_rec_sys_fields_in_recovery( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN void @@ -379,10 +388,11 @@ row_upd_index_entry_sys_field( } } -/*************************************************************** +/***********************************************************//** Returns TRUE if row update changes size of some field in index or if some field to be updated is stored externally in rec or update. -@return TRUE if the update changes the size of some field in index or the field is external in rec or update */ +@return TRUE if the update changes the size of some field in index or +the field is external in rec or update */ UNIV_INTERN ibool row_upd_changes_field_size_or_external( @@ -445,7 +455,7 @@ row_upd_changes_field_size_or_external( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the record given. No field size changes are allowed. */ UNIV_INTERN @@ -491,7 +501,7 @@ row_upd_rec_in_place( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Writes into the redo log the values of trx id and roll ptr and enough info to determine their positions within a clustered index record. @return new pointer to mlog */ @@ -522,7 +532,7 @@ row_upd_write_sys_vals_to_log( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Parses the log data of system field values. @return log data end or NULL */ UNIV_INTERN @@ -556,7 +566,7 @@ row_upd_parse_sys_vals( } #ifndef UNIV_HOTBACKUP -/*************************************************************** +/***********************************************************//** Writes to the redo log the new values of the fields occurring in the index. */ UNIV_INTERN void @@ -628,7 +638,7 @@ row_upd_index_write_log( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************* +/*********************************************************************//** Parses the log data written by row_upd_index_write_log. @return log data end or NULL */ UNIV_INTERN @@ -708,7 +718,7 @@ row_upd_index_parse( } #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Builds an update vector from those fields which in a secondary index entry differ from a record that has the equal ordering fields. NOTE: we compare the fields as binary strings! @@ -777,11 +787,12 @@ row_upd_build_sec_rec_difference_binary( return(update); } -/******************************************************************* +/***************************************************************//** Builds an update vector from those fields, excluding the roll ptr and trx id fields, which in an index entry differ from a record that has the equal ordering fields. NOTE: we compare the fields as binary strings! -@return own: update vector of differing fields, excluding roll ptr and trx id */ +@return own: update vector of differing fields, excluding roll ptr and +trx id */ UNIV_INTERN upd_t* row_upd_build_difference_binary( @@ -853,7 +864,7 @@ skip_compare: return(update); } -/*************************************************************** +/***********************************************************//** Fetch a prefix of an externally stored column. This is similar to row_ext_lookup(), but the row_ext_t holds the old values of the column and must not be poisoned with the new values. @@ -884,7 +895,7 @@ row_upd_ext_fetch( return(buf); } -/*************************************************************** +/***********************************************************//** Replaces the new column value stored in the update vector in the given index entry field. */ static @@ -977,7 +988,7 @@ row_upd_index_replace_new_col_val( } } -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the index entry given. */ UNIV_INTERN @@ -1031,7 +1042,7 @@ row_upd_index_replace_new_col_vals_index_pos( } } -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector to the index entry given. */ UNIV_INTERN @@ -1076,7 +1087,7 @@ row_upd_index_replace_new_col_vals( } } -/*************************************************************** +/***********************************************************//** Replaces the new column values stored in the update vector. */ UNIV_INTERN void @@ -1159,12 +1170,13 @@ row_upd_replace( } } -/*************************************************************** +/***********************************************************//** Checks if an update vector changes an ordering field of an index record. + This function is fast if the update vector is short or the number of ordering fields in the index is small. Otherwise, this can be quadratic. NOTE: we compare the fields as binary strings! -@return TRUE if update vector changes an ordering field in the index record; NOTE: the fields are compared as binary strings */ +@return TRUE if update vector changes an ordering field in the index record */ UNIV_INTERN ibool row_upd_changes_ord_field_binary( @@ -1227,10 +1239,11 @@ row_upd_changes_ord_field_binary( return(FALSE); } -/*************************************************************** +/***********************************************************//** Checks if an update vector changes an ordering field of an index record. NOTE: we compare the fields as binary strings! -@return TRUE if update vector may change an ordering field in an index record */ +@return TRUE if update vector may change an ordering field in an index +record */ UNIV_INTERN ibool row_upd_changes_some_index_ord_field_binary( @@ -1259,7 +1272,7 @@ row_upd_changes_some_index_ord_field_binary( return(FALSE); } -/*************************************************************** +/***********************************************************//** Checks if an update vector changes some of the first ordering fields of an index record. This is only used in foreign key checks and we can assume that index does not contain column prefixes. @@ -1313,7 +1326,7 @@ row_upd_changes_first_fields_binary( return(FALSE); } -/************************************************************************* +/*********************************************************************//** Copies the column values from a record. */ UNIV_INLINE void @@ -1340,7 +1353,7 @@ row_upd_copy_columns( } } -/************************************************************************* +/*********************************************************************//** Calculates the new values for fields to update. Note that row_upd_copy_columns must have been called first. */ UNIV_INLINE @@ -1367,7 +1380,7 @@ row_upd_eval_new_vals( } } -/*************************************************************** +/***********************************************************//** Stores to the heap the row on which the node->pcur is positioned. */ static void @@ -1410,9 +1423,10 @@ row_upd_store_row( } } -/*************************************************************** +/***********************************************************//** Updates a secondary index entry of a row. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_upd_sec_index_entry( @@ -1542,10 +1556,11 @@ func_exit: return(err); } -/*************************************************************** +/***********************************************************//** Updates the secondary index record if it is changed in the row update or deletes it if this is a delete. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ UNIV_INLINE ulint row_upd_sec_step( @@ -1566,12 +1581,13 @@ row_upd_sec_step( return(DB_SUCCESS); } -/*************************************************************** +/***********************************************************//** Marks the clustered index record deleted and inserts the updated version of the record to the index. This function should be used when the ordering fields of the clustered index record change. This should be quite rare in database applications. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_upd_clust_rec_by_insert( @@ -1679,10 +1695,11 @@ row_upd_clust_rec_by_insert( return(err); } -/*************************************************************** +/***********************************************************//** Updates a clustered index record of a row when the ordering fields do not change. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_upd_clust_rec( @@ -1781,7 +1798,7 @@ row_upd_clust_rec( return(err); } -/*************************************************************** +/***********************************************************//** Delete marks a clustered index record. @return DB_SUCCESS if operation successfully completed, else error code */ static @@ -1831,9 +1848,10 @@ row_upd_del_mark_clust_rec( return(err); } -/*************************************************************** +/***********************************************************//** Updates the clustered index record. -@return DB_SUCCESS if operation successfully completed, DB_LOCK_WAIT in case of a lock wait, else error code */ +@return DB_SUCCESS if operation successfully completed, DB_LOCK_WAIT +in case of a lock wait, else error code */ static ulint row_upd_clust_step( @@ -2001,11 +2019,12 @@ exit_func: return(err); } -/*************************************************************** +/***********************************************************//** Updates the affected index records of a row. When the control is transferred to this node, we assume that we have a persistent cursor which was on a record, and the position of the cursor is stored in the cursor. -@return DB_SUCCESS if operation successfully completed, else error code or DB_LOCK_WAIT */ +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ static ulint row_upd( @@ -2076,7 +2095,7 @@ function_exit: return(err); } -/*************************************************************** +/***********************************************************//** Updates a row in a table. This is a high-level function used in SQL execution graphs. @return query thread to run next or NULL */ diff --git a/row/row0vers.c b/row/row0vers.c index 3ae056a6905..a4fbb5289aa 100644 --- a/row/row0vers.c +++ b/row/row0vers.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file row/row0vers.c Row versions Created 2/6/1997 Heikki Tuuri @@ -45,11 +46,11 @@ Created 2/6/1997 Heikki Tuuri #include "read0read.h" #include "lock0lock.h" -/********************************************************************* +/*****************************************************************//** Finds out if an active transaction has inserted or modified a secondary index record. NOTE: the kernel mutex is temporarily released in this function! -@return NULL if committed, else the active transaction; NOTE that the kernel mutex is temporarily released! */ +@return NULL if committed, else the active transaction */ UNIV_INTERN trx_t* row_vers_impl_x_locked_off_kernel( @@ -296,7 +297,7 @@ exit_func: return(trx); } -/********************************************************************* +/*****************************************************************//** Finds out if we must preserve a delete marked earlier version of a clustered index record, because it is >= the purge view. @return TRUE if earlier version should be preserved */ @@ -326,7 +327,7 @@ row_vers_must_preserve_del_marked( return(FALSE); } -/********************************************************************* +/*****************************************************************//** Finds out if a version of the record, where the version >= the current purge view, should have ientry as its secondary index entry. We check if there is any not delete marked version of the record where the trx @@ -468,7 +469,7 @@ row_vers_old_has_index_entry( } } -/********************************************************************* +/*****************************************************************//** Constructs the version of a clustered index record which a consistent read should see. We assume that the trx id stored in rec is such that the consistent read should not see rec in its present version. @@ -601,7 +602,7 @@ row_vers_build_for_consistent_read( return(err); } -/********************************************************************* +/*****************************************************************//** Constructs the last committed version of a clustered index record, which should be seen by a semi-consistent read. @return DB_SUCCESS or DB_MISSING_HISTORY */ diff --git a/srv/srv0que.c b/srv/srv0que.c index 05c305969a4..e2a7b2331e4 100644 --- a/srv/srv0que.c +++ b/srv/srv0que.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file srv/srv0que.c Server query execution Created 6/5/1996 Heikki Tuuri @@ -30,7 +31,7 @@ Created 6/5/1996 Heikki Tuuri #include "usr0sess.h" #include "que0que.h" -/************************************************************************** +/**********************************************************************//** Checks if there is work to do in the server task queue. If there is, the thread starts processing a task. Before leaving, it again checks the task queue and picks a new task if any exists. This is called by a SRV_WORKER @@ -61,7 +62,7 @@ srv_que_task_queue_check(void) } } -/************************************************************************** +/**********************************************************************//** Performs round-robin on the server tasks. This is called by a SRV_WORKER thread every second or so. @return the new (may be == thr) query thread to run */ @@ -87,7 +88,7 @@ srv_que_round_robin( return(new_thr); } -/************************************************************************** +/**********************************************************************//** Enqueues a task to server task queue and releases a worker thread, if there is a suspended one. */ UNIV_INTERN @@ -104,7 +105,7 @@ srv_que_task_enqueue_low( srv_release_threads(SRV_WORKER, 1); } -/************************************************************************** +/**********************************************************************//** Enqueues a task to server task queue and releases a worker thread, if there is a suspended one. */ UNIV_INTERN diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 4957b22af28..0ef4cd11ca7 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file srv/srv0srv.c The database server main program NOTE: SQL Server 7 uses something which the documentation @@ -251,14 +252,14 @@ UNIV_INTERN ulint srv_buf_pool_wait_free = 0; pool to the disk */ UNIV_INTERN ulint srv_buf_pool_flushed = 0; -/* variable to count the number of buffer pool reads that led to the +/** Number of buffer pool reads that led to the reading of a disk page */ UNIV_INTERN ulint srv_buf_pool_reads = 0; -/* variable to count the number of sequential read-aheads */ +/** Number of sequential read-aheads */ UNIV_INTERN ulint srv_read_ahead_seq = 0; -/* variable to count the number of random read-aheads */ +/** Number of random read-aheads */ UNIV_INTERN ulint srv_read_ahead_rnd = 0; /* structure to pass status variables to MySQL */ @@ -298,17 +299,17 @@ UNIV_INTERN ulint srv_conc_n_waiting_threads = 0; typedef struct srv_conc_slot_struct srv_conc_slot_t; struct srv_conc_slot_struct{ - os_event_t event; /* event to wait */ - ibool reserved; /* TRUE if slot + os_event_t event; /*!< event to wait */ + ibool reserved; /*!< TRUE if slot reserved */ - ibool wait_ended; /* TRUE when another + ibool wait_ended; /*!< TRUE when another thread has already set the event and the thread in this slot is free to proceed; but reserved may still be TRUE at that point */ - UT_LIST_NODE_T(srv_conc_slot_t) srv_conc_queue; /* queue node */ + UT_LIST_NODE_T(srv_conc_slot_t) srv_conc_queue; /*!< queue node */ }; /* queue of threads waiting to get in */ @@ -583,17 +584,17 @@ Unix.*/ /* Thread slot in the thread table */ struct srv_slot_struct{ - os_thread_id_t id; /* thread id */ - os_thread_t handle; /* thread handle */ - unsigned type:3; /* thread type: user, utility etc. */ - unsigned in_use:1; /* TRUE if this slot is in use */ - unsigned suspended:1; /* TRUE if the thread is waiting + os_thread_id_t id; /*!< thread id */ + os_thread_t handle; /*!< thread handle */ + unsigned type:3; /*!< thread type: user, utility etc. */ + unsigned in_use:1; /*!< TRUE if this slot is in use */ + unsigned suspended:1; /*!< TRUE if the thread is waiting for the event of this slot */ - ib_time_t suspend_time; /* time when the thread was + ib_time_t suspend_time; /*!< time when the thread was suspended */ - os_event_t event; /* event used in suspending the + os_event_t event; /*!< event used in suspending the thread when it has nothing to do */ - que_thr_t* thr; /* suspended query thread (only + que_thr_t* thr; /*!< suspended query thread (only used for MySQL threads) */ }; @@ -634,7 +635,7 @@ are indexed by the type of the thread. */ UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; -/************************************************************************* +/*********************************************************************//** Sets the info describing an i/o thread current state. */ UNIV_INTERN void @@ -649,7 +650,7 @@ srv_set_io_thread_op_info( srv_io_thread_op_info[i] = str; } -/************************************************************************* +/*********************************************************************//** Accessor function to get pointer to n'th slot in the server thread table. @return pointer to the slot */ @@ -664,7 +665,7 @@ srv_table_get_nth_slot( return(srv_sys->threads + index); } -/************************************************************************* +/*********************************************************************//** Gets the number of threads in the system. @return sum of srv_n_threads[] */ UNIV_INTERN @@ -687,7 +688,7 @@ srv_get_n_threads(void) return(n_threads); } -/************************************************************************* +/*********************************************************************//** Reserves a slot in the thread table for the current thread. Also creates the thread local storage struct for the current thread. NOTE! The server mutex has to be reserved by the caller! @@ -727,7 +728,7 @@ srv_table_reserve_slot( return(i); } -/************************************************************************* +/*********************************************************************//** Suspends the calling thread to wait for the event in its thread slot. NOTE! The server mutex has to be reserved by the caller! @return event for the calling thread to wait */ @@ -771,10 +772,11 @@ srv_suspend_thread(void) return(event); } -/************************************************************************* +/*********************************************************************//** Releases threads of the type given from suspension in the thread table. NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be < n if not enough threads were suspended at the moment */ +@return number of threads released: this may be less than n if not +enough threads were suspended at the moment */ UNIV_INTERN ulint srv_release_threads( @@ -822,7 +824,7 @@ srv_release_threads( return(count); } -/************************************************************************* +/*********************************************************************//** Returns the calling thread type. @return SRV_COM, ... */ UNIV_INTERN @@ -850,7 +852,7 @@ srv_get_thread_type(void) return(type); } -/************************************************************************* +/*********************************************************************//** Initializes the server. */ UNIV_INTERN void @@ -927,7 +929,7 @@ srv_init(void) trx_i_s_cache_init(trx_i_s_cache); } -/************************************************************************* +/*********************************************************************//** Frees the OS fast mutex created in srv_init(). */ UNIV_INTERN void @@ -937,7 +939,7 @@ srv_free(void) os_fast_mutex_free(&srv_conc_mutex); } -/************************************************************************* +/*********************************************************************//** Initializes the synchronization primitives, memory system, and the thread local storage. */ UNIV_INTERN @@ -957,7 +959,7 @@ srv_general_init(void) /* Maximum allowable purge history length. <=0 means 'infinite'. */ UNIV_INTERN ulong srv_max_purge_lag = 0; -/************************************************************************* +/*********************************************************************//** Puts an OS thread to wait if there are too many concurrent threads (>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ UNIV_INTERN @@ -1117,7 +1119,7 @@ retry: os_fast_mutex_unlock(&srv_conc_mutex); } -/************************************************************************* +/*********************************************************************//** This lets a thread enter InnoDB regardless of the number of threads inside InnoDB. This must be called when a thread ends a lock wait. */ UNIV_INTERN @@ -1143,7 +1145,7 @@ srv_conc_force_enter_innodb( os_fast_mutex_unlock(&srv_conc_mutex); } -/************************************************************************* +/*********************************************************************//** This must be called when a thread exits InnoDB in a lock wait or at the end of an SQL statement. */ UNIV_INTERN @@ -1200,7 +1202,7 @@ srv_conc_force_exit_innodb( } } -/************************************************************************* +/*********************************************************************//** This must be called when a thread exits InnoDB. */ UNIV_INTERN void @@ -1225,7 +1227,7 @@ srv_conc_exit_innodb( /*========================================================================*/ -/************************************************************************* +/*********************************************************************//** Normalizes init parameter values to use units we use inside InnoDB. @return DB_SUCCESS or error code */ static @@ -1255,7 +1257,7 @@ srv_normalize_init_values(void) return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Boots the InnoDB server. @return DB_SUCCESS or error code */ UNIV_INTERN @@ -1286,7 +1288,7 @@ srv_boot(void) return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Reserves a slot in the thread table for the current MySQL OS thread. NOTE! The kernel mutex has to be reserved by the caller! @return reserved slot */ @@ -1351,7 +1353,7 @@ srv_table_reserve_slot_for_mysql(void) return(slot); } -/******************************************************************* +/***************************************************************//** Puts a MySQL OS thread to wait for a lock to be released. If an error occurs during the wait trx->error_state associated with thr is != DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK @@ -1530,7 +1532,7 @@ srv_suspend_mysql_thread( } } -/************************************************************************ +/********************************************************************//** Releases a MySQL OS thread waiting for a lock to be released, if the thread is already suspended. */ UNIV_INTERN @@ -1561,7 +1563,7 @@ srv_release_mysql_thread_if_suspended( /* not found */ } -/********************************************************************** +/******************************************************************//** Refreshes the values used to calculate per-second averages. */ static void @@ -1589,7 +1591,7 @@ srv_refresh_innodb_monitor_stats(void) mutex_exit(&srv_innodb_monitor_mutex); } -/********************************************************************** +/******************************************************************//** Outputs to a file the output of the InnoDB Monitor. */ UNIV_INTERN void @@ -1765,7 +1767,7 @@ srv_printf_innodb_monitor( fflush(file); } -/********************************************************************** +/******************************************************************//** Function to pass InnoDB status variables to MySQL */ UNIV_INTERN void @@ -1847,7 +1849,7 @@ srv_export_innodb_status(void) mutex_exit(&srv_innodb_monitor_mutex); } -/************************************************************************* +/*********************************************************************//** A thread which wakes up threads whose lock wait may have lasted too long. This also prints the info output by various InnoDB monitors. @return a dummy parameter */ @@ -2034,7 +2036,7 @@ exit_func: OS_THREAD_DUMMY_RETURN; } -/************************************************************************* +/*********************************************************************//** A thread which prints warnings about semaphore waits which have lasted too long. These can be used to track bugs which cause hangs. @return a dummy parameter */ @@ -2134,7 +2136,7 @@ loop: OS_THREAD_DUMMY_RETURN; } -/*********************************************************************** +/*******************************************************************//** Tells the InnoDB server that there has been activity in the database and wakes up the master thread if it is suspended (not sleeping). Used in the MySQL interface. Note that there is a small chance that the master @@ -2157,7 +2159,7 @@ srv_active_wake_master_thread(void) } } -/*********************************************************************** +/*******************************************************************//** Wakes up the master thread if it is suspended or being suspended. */ UNIV_INTERN void @@ -2173,7 +2175,7 @@ srv_wake_master_thread(void) mutex_exit(&kernel_mutex); } -/************************************************************************* +/*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ UNIV_INTERN diff --git a/srv/srv0start.c b/srv/srv0start.c index a28bbc146bb..923004be6bd 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file srv/srv0start.c Starts the InnoDB database server Created 2/16/1996 Heikki Tuuri @@ -77,48 +78,61 @@ Created 2/16/1996 Heikki Tuuri # include "row0mysql.h" # include "btr0pcur.h" -/* Log sequence number immediately after startup */ +/** Log sequence number immediately after startup */ UNIV_INTERN ib_uint64_t srv_start_lsn; -/* Log sequence number at shutdown */ +/** Log sequence number at shutdown */ UNIV_INTERN ib_uint64_t srv_shutdown_lsn; #ifdef HAVE_DARWIN_THREADS # include +/** TRUE if the F_FULLFSYNC option is available */ UNIV_INTERN ibool srv_have_fullfsync = FALSE; #endif +/** TRUE if a raw partition is in use */ UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; +/** TRUE if the server is being started, before rolling back any +incomplete transactions */ UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; +/** TRUE if the server is being started */ UNIV_INTERN ibool srv_is_being_started = FALSE; +/** TRUE if the server was successfully started */ UNIV_INTERN ibool srv_was_started = FALSE; +/** TRUE if innobase_start_or_create_for_mysql() has been called */ static ibool srv_start_has_been_called = FALSE; -/* At a shutdown the value first climbs to SRV_SHUTDOWN_CLEANUP -and then to SRV_SHUTDOWN_LAST_PHASE */ -UNIV_INTERN ulint srv_shutdown_state = 0; +/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to +SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ +UNIV_INTERN enum srv_shutdown_state srv_shutdown_state = SRV_SHUTDOWN_NONE; +/** Files comprising the system tablespace */ static os_file_t files[1000]; +/** Mutex protecting the ios count */ static mutex_t ios_mutex; +/** Count of I/O operations in io_handler_thread() */ static ulint ios; +/** io_handler_thread parameters for thread identification */ static ulint n[SRV_MAX_N_IO_THREADS + 5]; +/** io_handler_thread identifiers */ static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 5]; -/* We use this mutex to test the return value of pthread_mutex_trylock +/** We use this mutex to test the return value of pthread_mutex_trylock on successful locking. HP-UX does NOT return 0, though Linux et al do. */ static os_fast_mutex_t srv_os_test_mutex; -/* Name of srv_monitor_file */ +/** Name of srv_monitor_file */ static char* srv_monitor_file_name; #endif /* !UNIV_HOTBACKUP */ +/** */ #define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD #define SRV_MAX_N_PENDING_SYNC_IOS 100 -/************************************************************************* +/*********************************************************************//** Convert a numeric string that optionally ends in G or M, to a number containing megabytes. @return next character in string */ @@ -152,7 +166,7 @@ srv_parse_megabytes( return(str); } -/************************************************************************* +/*********************************************************************//** Reads the data files and their sizes from a character string given in the .cnf file. @return TRUE if ok, FALSE on parse error */ @@ -336,7 +350,7 @@ srv_parse_data_file_paths_and_sizes( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Reads log group home directories from a character string given in the .cnf file. @return TRUE if ok, FALSE on parse error */ @@ -408,7 +422,7 @@ srv_parse_log_group_home_dirs( return(TRUE); } -/************************************************************************* +/*********************************************************************//** Frees the memory allocated by srv_parse_data_file_paths_and_sizes() and srv_parse_log_group_home_dirs(). */ UNIV_INTERN @@ -427,7 +441,7 @@ srv_free_paths_and_sizes(void) } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** I/o-handler thread function. @return OS_THREAD_DUMMY_RETURN */ static @@ -471,7 +485,7 @@ io_handler_thread( #define SRV_PATH_SEPARATOR '/' #endif -/************************************************************************* +/*********************************************************************//** Normalizes a directory path for Windows: converts slashes to backslashes. */ UNIV_INTERN void @@ -490,7 +504,7 @@ srv_normalize_path_for_win( #endif } -/************************************************************************* +/*********************************************************************//** Adds a slash or a backslash to the end of a string if it is missing and the string is not empty. @return string which has the separator if the string is not empty */ @@ -517,7 +531,7 @@ srv_add_path_separator_if_needed( } #ifndef UNIV_HOTBACKUP -/************************************************************************* +/*********************************************************************//** Calculates the low 32 bits when a file size which is given as a number database pages is converted to the number of bytes. @return low 32 bytes of file size when expressed in bytes */ @@ -530,7 +544,7 @@ srv_calc_low32( return(0xFFFFFFFFUL & (file_size << UNIV_PAGE_SIZE_SHIFT)); } -/************************************************************************* +/*********************************************************************//** Calculates the high 32 bits when a file size which is given as a number database pages is converted to the number of bytes. @return high 32 bytes of file size when expressed in bytes */ @@ -543,7 +557,7 @@ srv_calc_high32( return(file_size >> (32 - UNIV_PAGE_SIZE_SHIFT)); } -/************************************************************************* +/*********************************************************************//** Creates or opens the log files and closes them. @return DB_SUCCESS or error code */ static @@ -696,7 +710,7 @@ open_or_create_log_file( return(DB_SUCCESS); } -/************************************************************************* +/*********************************************************************//** Creates or opens database data files and closes them. @return DB_SUCCESS or error code */ static @@ -968,7 +982,7 @@ skip_size_check: return(DB_SUCCESS); } -/******************************************************************** +/****************************************************************//** Starts InnoDB and creates a new database if database files are not found and the user wants. @return DB_SUCCESS or error code */ @@ -1875,7 +1889,7 @@ innobase_start_or_create_for_mysql(void) return((int) DB_SUCCESS); } -/******************************************************************** +/****************************************************************//** Shuts down the InnoDB database. @return DB_SUCCESS or error code */ UNIV_INTERN @@ -1916,7 +1930,7 @@ innobase_shutdown_for_mysql(void) } #ifdef __NETWARE__ - if(!panic_shutdown) + if (!panic_shutdown) #endif logs_empty_and_mark_files_at_shutdown(); diff --git a/sync/sync0arr.c b/sync/sync0arr.c index 5047a8872ba..d78ee8f3191 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file sync/sync0arr.c The wait array used in synchronization primitives Created 9/5/1995 Heikki Tuuri @@ -73,27 +74,29 @@ wait array for the sake of diagnostics and also to avoid infinite wait The error_monitor thread scans the global wait array to signal any waiting threads who have missed the signal. */ -/* A cell where an individual thread may wait suspended +/** A cell where an individual thread may wait suspended until a resource is released. The suspending is implemented using an operating system event semaphore. */ struct sync_cell_struct { - void* wait_object; /* pointer to the object the + void* wait_object; /*!< pointer to the object the thread is waiting for; if NULL the cell is free for use */ - mutex_t* old_wait_mutex; /* the latest wait mutex in cell */ - rw_lock_t* old_wait_rw_lock;/* the latest wait rw-lock in cell */ - ulint request_type; /* lock type requested on the + mutex_t* old_wait_mutex; /*!< the latest wait mutex in cell */ + rw_lock_t* old_wait_rw_lock; + /*!< the latest wait rw-lock + in cell */ + ulint request_type; /*!< lock type requested on the object */ - const char* file; /* in debug version file where + const char* file; /*!< in debug version file where requested */ - ulint line; /* in debug version line where + ulint line; /*!< in debug version line where requested */ - os_thread_id_t thread; /* thread id of this waiting + os_thread_id_t thread; /*!< thread id of this waiting thread */ - ibool waiting; /* TRUE if the thread has already + ibool waiting; /*!< TRUE if the thread has already called sync_array_event_wait on this cell */ - ib_int64_t signal_count; /* We capture the signal_count + ib_int64_t signal_count; /*!< We capture the signal_count of the wait_object when we reset the event. This value is then passed on to os_event_wait @@ -101,7 +104,7 @@ struct sync_cell_struct { has not been signalled in the period between the reset and wait call. */ - time_t reservation_time;/* time when the thread reserved + time_t reservation_time;/*!< time when the thread reserved the wait cell */ }; @@ -110,31 +113,33 @@ for an event allocated for the array without owning the protecting mutex (depending on the case: OS or database mutex), but all changes (set or reset) to the state of the event must be made while owning the mutex. */ + +/** Synchronization array */ struct sync_array_struct { - ulint n_reserved; /* number of currently reserved + ulint n_reserved; /*!< number of currently reserved cells in the wait array */ - ulint n_cells; /* number of cells in the + ulint n_cells; /*!< number of cells in the wait array */ - sync_cell_t* array; /* pointer to wait array */ - ulint protection; /* this flag tells which + sync_cell_t* array; /*!< pointer to wait array */ + ulint protection; /*!< this flag tells which mutex protects the data */ - mutex_t mutex; /* possible database mutex + mutex_t mutex; /*!< possible database mutex protecting this data structure */ - os_mutex_t os_mutex; /* Possible operating system mutex + os_mutex_t os_mutex; /*!< Possible operating system mutex protecting the data structure. As this data structure is used in constructing the database mutex, to prevent infinite recursion in implementation, we fall back to an OS mutex. */ - ulint sg_count; /* count of how many times an + ulint sg_count; /*!< count of how many times an object has been signalled */ - ulint res_count; /* count of cell reservations + ulint res_count; /*!< count of cell reservations since creation of the array */ }; #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** This function is called only in the debug version. Detects a deadlock of one or more threads because of waits of semaphores. @return TRUE if deadlock detected */ @@ -149,7 +154,7 @@ sync_array_detect_deadlock( ulint depth); /*!< in: recursion depth */ #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************* +/*****************************************************************//** Gets the nth cell in array. @return cell */ static @@ -165,7 +170,7 @@ sync_array_get_nth_cell( return(arr->array + n); } -/********************************************************************** +/******************************************************************//** Reserves the mutex semaphore protecting a sync array. */ static void @@ -186,7 +191,7 @@ sync_array_enter( } } -/********************************************************************** +/******************************************************************//** Releases the mutex semaphore protecting a sync array. */ static void @@ -207,7 +212,7 @@ sync_array_exit( } } -/*********************************************************************** +/*******************************************************************//** Creates a synchronization wait array. It is protected by a mutex which is automatically reserved when the functions operating on it are called. @@ -260,7 +265,7 @@ sync_array_create( return(arr); } -/********************************************************************** +/******************************************************************//** Frees the resources in a wait array. */ UNIV_INTERN void @@ -290,7 +295,7 @@ sync_array_free( ut_free(arr); } -/************************************************************************ +/********************************************************************//** Validates the integrity of the wait array. Checks that the number of reserved cells equals the count variable. */ UNIV_INTERN @@ -317,7 +322,7 @@ sync_array_validate( sync_array_exit(arr); } -/*********************************************************************** +/*******************************************************************//** Returns the event that the thread owning the cell waits for. */ static os_event_t @@ -336,7 +341,7 @@ sync_cell_get_event( } } -/********************************************************************** +/******************************************************************//** Reserves a wait array cell for waiting for an object. The event of the cell is reset to nonsignalled state. */ UNIV_INTERN @@ -406,7 +411,7 @@ sync_array_reserve_cell( return; } -/********************************************************************** +/******************************************************************//** This function should be called when a thread starts to wait on a wait array cell. In the debug version this function checks if the wait for a semaphore will result in a deadlock, in which @@ -458,7 +463,7 @@ sync_array_wait_event( sync_array_free_cell(arr, index); } -/********************************************************************** +/******************************************************************//** Reports info of a wait array cell. */ static void @@ -544,7 +549,7 @@ sync_array_cell_print( } #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Looks for a cell with the given thread id. @return pointer to cell or NULL if not found */ static @@ -571,7 +576,7 @@ sync_array_find_thread( return(NULL); /* Not found */ } -/********************************************************************** +/******************************************************************//** Recursion step for deadlock detection. @return TRUE if deadlock detected */ static @@ -622,7 +627,7 @@ sync_array_deadlock_step( return(FALSE); } -/********************************************************************** +/******************************************************************//** This function is called only in the debug version. Detects a deadlock of one or more threads because of waits of semaphores. @return TRUE if deadlock detected */ @@ -767,7 +772,7 @@ print: } #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Determines if we can wake up the thread waiting for a sempahore. */ static ibool @@ -819,7 +824,7 @@ sync_arr_cell_can_wake_up( return(FALSE); } -/********************************************************************** +/******************************************************************//** Frees the cell. NOTE! sync_array_wait_event frees the cell automatically! */ UNIV_INTERN @@ -847,7 +852,7 @@ sync_array_free_cell( sync_array_exit(arr); } -/************************************************************************** +/**********************************************************************//** Increments the signalled count. */ UNIV_INTERN void @@ -866,7 +871,7 @@ sync_array_object_signalled( #endif } -/************************************************************************** +/**********************************************************************//** If the wakeup algorithm does not work perfectly at semaphore relases, this function will do the waking (see the comment in mutex_exit). This function should be called about every 1 second in the server. @@ -912,7 +917,7 @@ sync_arr_wake_threads_if_sema_free(void) sync_array_exit(arr); } -/************************************************************************** +/**********************************************************************//** Prints warnings of long semaphore waits to stderr. @return TRUE if fatal semaphore wait threshold was exceeded */ UNIV_INTERN @@ -977,7 +982,7 @@ sync_array_print_long_waits(void) return(fatal); } -/************************************************************************** +/**********************************************************************//** Prints info of the wait array. */ static void @@ -1010,7 +1015,7 @@ sync_array_output_info( } } -/************************************************************************** +/**********************************************************************//** Prints info of the wait array. */ UNIV_INTERN void diff --git a/sync/sync0rw.c b/sync/sync0rw.c index dfff2caedd9..0ed114e330c 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file sync/sync0rw.c The read-write lock (for thread synchronization) Created 9/11/1995 Heikki Tuuri @@ -132,29 +133,33 @@ wait_ex_event: A thread may only wait on the wait_ex_event after it has */ -/* number of spin waits on rw-latches, +/** number of spin waits on rw-latches, resulted during shared (read) locks */ UNIV_INTERN ib_int64_t rw_s_spin_wait_count = 0; +/** number of spin loop rounds on rw-latches, +resulted during shared (read) locks */ UNIV_INTERN ib_int64_t rw_s_spin_round_count = 0; -/* number of OS waits on rw-latches, +/** number of OS waits on rw-latches, resulted during shared (read) locks */ UNIV_INTERN ib_int64_t rw_s_os_wait_count = 0; -/* number of unlocks (that unlock shared locks), +/** number of unlocks (that unlock shared locks), set only when UNIV_SYNC_PERF_STAT is defined */ UNIV_INTERN ib_int64_t rw_s_exit_count = 0; -/* number of spin waits on rw-latches, +/** number of spin waits on rw-latches, resulted during exclusive (write) locks */ UNIV_INTERN ib_int64_t rw_x_spin_wait_count = 0; +/** number of spin loop rounds on rw-latches, +resulted during exclusive (write) locks */ UNIV_INTERN ib_int64_t rw_x_spin_round_count = 0; -/* number of OS waits on rw-latches, +/** number of OS waits on rw-latches, resulted during exclusive (write) locks */ UNIV_INTERN ib_int64_t rw_x_os_wait_count = 0; -/* number of unlocks (that unlock exclusive locks), +/** number of unlocks (that unlock exclusive locks), set only when UNIV_SYNC_PERF_STAT is defined */ UNIV_INTERN ib_int64_t rw_x_exit_count = 0; @@ -174,13 +179,13 @@ UNIV_INTERN os_event_t rw_lock_debug_event; /* This is set to TRUE, if there may be waiters for the event */ UNIV_INTERN ibool rw_lock_debug_waiters; -/********************************************************************** +/******************************************************************//** Creates a debug info struct. */ static rw_lock_debug_t* rw_lock_debug_create(void); /*======================*/ -/********************************************************************** +/******************************************************************//** Frees a debug info struct. */ static void @@ -188,7 +193,7 @@ rw_lock_debug_free( /*===============*/ rw_lock_debug_t* info); -/********************************************************************** +/******************************************************************//** Creates a debug info struct. @return own: debug info struct */ static @@ -199,7 +204,7 @@ rw_lock_debug_create(void) return((rw_lock_debug_t*) mem_alloc(sizeof(rw_lock_debug_t))); } -/********************************************************************** +/******************************************************************//** Frees a debug info struct. */ static void @@ -211,7 +216,7 @@ rw_lock_debug_free( } #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes an rw-lock object in a specified memory location (which must be appropriately aligned). The rw-lock is initialized to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free @@ -286,7 +291,7 @@ rw_lock_create_func( mutex_exit(&rw_lock_list_mutex); } -/********************************************************************** +/******************************************************************//** Calling this function is obligatory only if the memory buffer containing the rw-lock is freed. Removes an rw-lock object from the global list. The rw-lock is checked to be in the non-locked state. */ @@ -323,7 +328,7 @@ rw_lock_free( } #ifdef UNIV_DEBUG -/********************************************************************** +/******************************************************************//** Checks that the rw-lock has been initialized and that there are no simultaneous shared and exclusive locks. @return TRUE */ @@ -346,7 +351,7 @@ rw_lock_validate( } #endif /* UNIV_DEBUG */ -/********************************************************************** +/******************************************************************//** Lock an rw-lock in shared mode for the current thread. If the rw-lock is locked in exclusive mode, or there is an exclusive lock request waiting, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting @@ -366,7 +371,7 @@ rw_lock_s_lock_spin( ut_ad(rw_lock_validate(lock)); - rw_s_spin_wait_count++; /* Count calls to this function */ + rw_s_spin_wait_count++; /*!< Count calls to this function */ lock_loop: /* Spin waiting for the writer field to become free */ @@ -438,7 +443,7 @@ lock_loop: } } -/********************************************************************** +/******************************************************************//** This function is used in the insert buffer to move the ownership of an x-latch on a buffer frame to the current thread. The x-latch was set by the buffer read operation and it protected the buffer frame while the @@ -458,7 +463,7 @@ rw_lock_x_lock_move_ownership( rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); } -/********************************************************************** +/******************************************************************//** Function for the next writer to call. Waits for readers to exit. The caller must have already decremented lock_word by X_LOCK_DECR. */ UNIV_INLINE @@ -526,7 +531,7 @@ rw_lock_x_lock_wait( rw_x_spin_round_count += i; } -/********************************************************************** +/******************************************************************//** Low-level function for acquiring an exclusive lock. @return RW_LOCK_NOT_LOCKED if did not succeed, RW_LOCK_EX if success. */ UNIV_INLINE @@ -580,7 +585,7 @@ rw_lock_x_lock_low( return(TRUE); } -/********************************************************************** +/******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread. If the rw-lock is locked in shared or exclusive mode, or there is an exclusive lock request waiting, @@ -599,8 +604,8 @@ rw_lock_x_lock_func( const char* file_name,/*!< in: file name where lock requested */ ulint line) /*!< in: line where requested */ { - ulint index; /* index of the reserved wait cell */ - ulint i; /* spin round count */ + ulint index; /*!< index of the reserved wait cell */ + ulint i; /*!< spin round count */ ibool spinning = FALSE; ut_ad(rw_lock_validate(lock)); @@ -682,7 +687,7 @@ lock_loop: } #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Acquires the debug mutex. We cannot use the mutex defined in sync0sync, because the debug mutex is also acquired in sync0arr while holding the OS mutex protecting the sync array, and the ordinary mutex_enter might @@ -711,7 +716,7 @@ loop: goto loop; } -/********************************************************************** +/******************************************************************//** Releases the debug mutex. */ UNIV_INTERN void @@ -726,7 +731,7 @@ rw_lock_debug_mutex_exit(void) } } -/********************************************************************** +/******************************************************************//** Inserts the debug information for an rw-lock. */ UNIV_INTERN void @@ -762,7 +767,7 @@ rw_lock_add_debug_info( } } -/********************************************************************** +/******************************************************************//** Removes a debug information struct for an rw-lock. */ UNIV_INTERN void @@ -808,7 +813,7 @@ rw_lock_remove_debug_info( #endif /* UNIV_SYNC_DEBUG */ #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Checks if the thread has locked the rw-lock in the specified mode, with the pass value == 0. @return TRUE if locked */ @@ -849,7 +854,7 @@ rw_lock_own( } #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Checks if somebody has locked the rw-lock in the specified mode. @return TRUE if locked */ UNIV_INTERN @@ -881,7 +886,7 @@ rw_lock_is_locked( } #ifdef UNIV_SYNC_DEBUG -/******************************************************************* +/***************************************************************//** Prints debug info of currently locked rw-locks. */ UNIV_INTERN void @@ -935,7 +940,7 @@ rw_lock_list_print_info( mutex_exit(&rw_lock_list_mutex); } -/******************************************************************* +/***************************************************************//** Prints debug info of an rw-lock. */ UNIV_INTERN void @@ -974,7 +979,7 @@ rw_lock_print( } } -/************************************************************************* +/*********************************************************************//** Prints info of a debug struct. */ UNIV_INTERN void @@ -1004,7 +1009,7 @@ rw_lock_debug_print( putc('\n', stderr); } -/******************************************************************* +/***************************************************************//** Returns the number of currently locked rw-locks. Works only in the debug version. @return number of locked rw-locks */ diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 35f8395f7e8..39a3c7d98d5 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -23,7 +23,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file sync/sync0sync.c Mutex, the basic synchronization primitive Created 9/5/1995 Heikki Tuuri @@ -163,60 +164,70 @@ Q.E.D. */ /* Number of spin waits on mutexes: for performance monitoring */ -/* round=one iteration of a spin loop */ -UNIV_INTERN ib_int64_t mutex_spin_round_count = 0; -UNIV_INTERN ib_int64_t mutex_spin_wait_count = 0; -UNIV_INTERN ib_int64_t mutex_os_wait_count = 0; +/** The number of iterations in the mutex_spin_wait() spin loop. +Intended for performance monitoring. */ +static ib_int64_t mutex_spin_round_count = 0; +/** The number of mutex_spin_wait() calls. Intended for +performance monitoring. */ +static ib_int64_t mutex_spin_wait_count = 0; +/** The number of OS waits in mutex_spin_wait(). Intended for +performance monitoring. */ +static ib_int64_t mutex_os_wait_count = 0; +/** The number of mutex_exit() calls. Intended for performance +monitoring. */ UNIV_INTERN ib_int64_t mutex_exit_count = 0; -/* The global array of wait cells for implementation of the database's own +/** The global array of wait cells for implementation of the database's own mutexes and read-write locks */ UNIV_INTERN sync_array_t* sync_primary_wait_array; -/* This variable is set to TRUE when sync_init is called */ +/** This variable is set to TRUE when sync_init is called */ UNIV_INTERN ibool sync_initialized = FALSE; - +/** An acquired mutex or rw-lock and its level in the latching order */ typedef struct sync_level_struct sync_level_t; +/** Mutexes or rw-locks held by a thread */ typedef struct sync_thread_struct sync_thread_t; #ifdef UNIV_SYNC_DEBUG -/* The latch levels currently owned by threads are stored in this data +/** The latch levels currently owned by threads are stored in this data structure; the size of this array is OS_THREAD_MAX_N */ UNIV_INTERN sync_thread_t* sync_thread_level_arrays; -/* Mutex protecting sync_thread_level_arrays */ +/** Mutex protecting sync_thread_level_arrays */ UNIV_INTERN mutex_t sync_thread_mutex; #endif /* UNIV_SYNC_DEBUG */ -/* Global list of database mutexes (not OS mutexes) created. */ +/** Global list of database mutexes (not OS mutexes) created. */ UNIV_INTERN ut_list_base_node_t mutex_list; -/* Mutex protecting the mutex_list variable */ +/** Mutex protecting the mutex_list variable */ UNIV_INTERN mutex_t mutex_list_mutex; #ifdef UNIV_SYNC_DEBUG -/* Latching order checks start when this is set TRUE */ +/** Latching order checks start when this is set TRUE */ UNIV_INTERN ibool sync_order_checks_on = FALSE; #endif /* UNIV_SYNC_DEBUG */ +/** Mutexes or rw-locks held by a thread */ struct sync_thread_struct{ - os_thread_id_t id; /* OS thread id */ - sync_level_t* levels; /* level array for this thread; if this is NULL - this slot is unused */ + os_thread_id_t id; /*!< OS thread id */ + sync_level_t* levels; /*!< level array for this thread; if + this is NULL this slot is unused */ }; -/* Number of slots reserved for each OS thread in the sync level array */ +/** Number of slots reserved for each OS thread in the sync level array */ #define SYNC_THREAD_N_LEVELS 10000 +/** An acquired mutex or rw-lock and its level in the latching order */ struct sync_level_struct{ - void* latch; /* pointer to a mutex or an rw-lock; NULL means that + void* latch; /*!< pointer to a mutex or an rw-lock; NULL means that the slot is empty */ - ulint level; /* level of the latch in the latching order */ + ulint level; /*!< level of the latch in the latching order */ }; -/********************************************************************** +/******************************************************************//** Creates, or rather, initializes a mutex object in a specified memory location (which must be appropriately aligned). The mutex is initialized in the reset state. Explicit freeing of the mutex with mutex_free is @@ -289,7 +300,7 @@ mutex_create_func( mutex_exit(&mutex_list_mutex); } -/********************************************************************** +/******************************************************************//** Calling this function is obligatory only if the memory buffer containing the mutex is freed. Removes a mutex object from the mutex list. The mutex is checked to be in the reset state. */ @@ -336,7 +347,7 @@ mutex_free( #endif /* UNIV_DEBUG */ } -/************************************************************************ +/********************************************************************//** NOTE! Use the corresponding macro in the header file, not this function directly. Tries to lock the mutex for the current thread. If the lock is not acquired immediately, returns with return value 1. @@ -368,7 +379,7 @@ mutex_enter_nowait_func( } #ifdef UNIV_DEBUG -/********************************************************************** +/******************************************************************//** Checks that the mutex has been initialized. @return TRUE */ UNIV_INTERN @@ -383,7 +394,7 @@ mutex_validate( return(TRUE); } -/********************************************************************** +/******************************************************************//** Checks that the current thread owns the mutex. Works only in the debug version. @return TRUE if owns */ @@ -400,7 +411,7 @@ mutex_own( } #endif /* UNIV_DEBUG */ -/********************************************************************** +/******************************************************************//** Sets the waiters field in a mutex. */ UNIV_INTERN void @@ -419,7 +430,7 @@ mutex_set_waiters( word in memory is atomic */ } -/********************************************************************** +/******************************************************************//** Reserves a mutex for the current thread. If the mutex is reserved, the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for the mutex before suspending the thread. */ @@ -600,7 +611,7 @@ finish_timing: return; } -/********************************************************************** +/******************************************************************//** Releases the threads waiting in the primary wait array for this mutex. */ UNIV_INTERN void @@ -617,7 +628,7 @@ mutex_signal_object( } #ifdef UNIV_SYNC_DEBUG -/********************************************************************** +/******************************************************************//** Sets the debug information for a reserved mutex. */ UNIV_INTERN void @@ -636,7 +647,7 @@ mutex_set_debug_info( mutex->line = line; } -/********************************************************************** +/******************************************************************//** Gets the debug information for a reserved mutex. */ UNIV_INTERN void @@ -655,7 +666,7 @@ mutex_get_debug_info( *thread_id = mutex->thread_id; } -/********************************************************************** +/******************************************************************//** Prints debug info of currently reserved mutexes. */ static void @@ -698,7 +709,7 @@ mutex_list_print_info( mutex_exit(&mutex_list_mutex); } -/********************************************************************** +/******************************************************************//** Counts currently reserved mutexes. Works only in the debug version. @return number of reserved mutexes */ UNIV_INTERN @@ -730,7 +741,7 @@ mutex_n_reserved(void) was holding one mutex (mutex_list_mutex) */ } -/********************************************************************** +/******************************************************************//** Returns TRUE if no mutex or rw-lock is currently locked. Works only in the debug version. @return TRUE if no mutexes and rw-locks reserved */ @@ -742,7 +753,7 @@ sync_all_freed(void) return(mutex_n_reserved() + rw_lock_n_locked() == 0); } -/********************************************************************** +/******************************************************************//** Gets the value in the nth slot in the thread level arrays. @return pointer to thread slot */ static @@ -756,7 +767,7 @@ sync_thread_level_arrays_get_nth( return(sync_thread_level_arrays + n); } -/********************************************************************** +/******************************************************************//** Looks for the thread slot for the calling thread. @return pointer to thread slot, NULL if not found */ static @@ -784,7 +795,7 @@ sync_thread_level_arrays_find_slot(void) return(NULL); } -/********************************************************************** +/******************************************************************//** Looks for an unused thread slot. @return pointer to thread slot */ static @@ -809,7 +820,7 @@ sync_thread_level_arrays_find_free(void) return(NULL); } -/********************************************************************** +/******************************************************************//** Gets the value in the nth slot in the thread level array. @return pointer to level slot */ static @@ -825,7 +836,7 @@ sync_thread_levels_get_nth( return(arr + n); } -/********************************************************************** +/******************************************************************//** Checks if all the level values stored in the level array are greater than the given limit. @return TRUE if all greater */ @@ -896,7 +907,7 @@ sync_thread_levels_g( return(TRUE); } -/********************************************************************** +/******************************************************************//** Checks if the level value is stored in the level array. @return TRUE if stored */ static @@ -925,7 +936,7 @@ sync_thread_levels_contain( return(FALSE); } -/********************************************************************** +/******************************************************************//** Checks that the level array for the current thread is empty. @return TRUE if empty except the exceptions specified below */ UNIV_INTERN @@ -981,7 +992,7 @@ sync_thread_levels_empty_gen( return(TRUE); } -/********************************************************************** +/******************************************************************//** Checks that the level array for the current thread is empty. @return TRUE if empty */ UNIV_INTERN @@ -992,7 +1003,7 @@ sync_thread_levels_empty(void) return(sync_thread_levels_empty_gen(FALSE)); } -/********************************************************************** +/******************************************************************//** Adds a latch and its level in the thread level array. Allocates the memory for the array if called first time for this OS thread. Makes the checks against other latch levels stored in the array for this thread. */ @@ -1192,9 +1203,11 @@ sync_thread_add_level( mutex_exit(&sync_thread_mutex); } -/********************************************************************** +/******************************************************************//** Removes a latch from the thread level array if it is found there. -@return TRUE if found from the array; it is an error if the latch is not found */ +@return TRUE if found in the array; it is no error if the latch is +not found, as we presently are not able to determine the level for +every latch reservation the program does */ UNIV_INTERN ibool sync_thread_reset_level( @@ -1266,7 +1279,7 @@ sync_thread_reset_level( } #endif /* UNIV_SYNC_DEBUG */ -/********************************************************************** +/******************************************************************//** Initializes the synchronization data structures. */ UNIV_INTERN void @@ -1320,7 +1333,7 @@ sync_init(void) #endif /* UNIV_SYNC_DEBUG */ } -/********************************************************************** +/******************************************************************//** Frees the resources in InnoDB's own synchronization data structures. Use os_sync_free() after calling this. */ UNIV_INTERN @@ -1345,7 +1358,7 @@ sync_close(void) #endif /* UNIV_SYNC_DEBUG */ } -/*********************************************************************** +/*******************************************************************//** Prints wait info of the sync system. */ UNIV_INTERN void @@ -1381,7 +1394,7 @@ sync_print_wait_info( (rw_x_spin_wait_count ? rw_x_spin_wait_count : 1)); } -/*********************************************************************** +/*******************************************************************//** Prints info of the sync system. */ UNIV_INTERN void diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 96c56666f8c..18f7b0707bd 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file thr/thr0loc.c The thread local storage Created 10/5/1995 Heikki Tuuri @@ -43,31 +44,34 @@ is protected by a mutex. If you need modify the program and put new data to the thread local storage, just add it to struct thr_local_struct in the header file. */ -/* Mutex protecting the local storage hash table */ +/** Mutex protecting thr_local_hash */ static mutex_t thr_local_mutex; -/* The hash table. The module is not yet initialized when it is NULL. */ +/** The hash table. The module is not yet initialized when it is NULL. */ static hash_table_t* thr_local_hash = NULL; -/* The private data for each thread should be put to -the structure below and the accessor functions written -for the field. */ +/** Thread local data */ typedef struct thr_local_struct thr_local_t; +/** @brief Thread local data. +The private data for each thread should be put to +the structure below and the accessor functions written +for the field. */ struct thr_local_struct{ - os_thread_id_t id; /* id of the thread which owns this struct */ - os_thread_t handle; /* operating system handle to the thread */ - ulint slot_no;/* the index of the slot in the thread table + os_thread_id_t id; /*!< id of the thread which owns this struct */ + os_thread_t handle; /*!< operating system handle to the thread */ + ulint slot_no;/*!< the index of the slot in the thread table for this thread */ - ibool in_ibuf;/* TRUE if the the thread is doing an ibuf + ibool in_ibuf;/*!< TRUE if the the thread is doing an ibuf operation */ - hash_node_t hash; /* hash chain node */ - ulint magic_n; + hash_node_t hash; /*!< hash chain node */ + ulint magic_n;/*!< magic number (THR_LOCAL_MAGIC_N) */ }; +/** The value of thr_local_struct::magic_n */ #define THR_LOCAL_MAGIC_N 1231234 -/*********************************************************************** +/*******************************************************************//** Returns the local storage struct for a thread. @return local storage */ static @@ -103,7 +107,7 @@ try_again: return(local); } -/*********************************************************************** +/*******************************************************************//** Gets the slot number in the thread table of a thread. @return slot number */ UNIV_INTERN @@ -126,7 +130,7 @@ thr_local_get_slot_no( return(slot_no); } -/*********************************************************************** +/*******************************************************************//** Sets the slot number in the thread table of a thread. */ UNIV_INTERN void @@ -146,7 +150,7 @@ thr_local_set_slot_no( mutex_exit(&thr_local_mutex); } -/*********************************************************************** +/*******************************************************************//** Returns pointer to the 'in_ibuf' field within the current thread local storage. @return pointer to the in_ibuf field */ @@ -166,7 +170,7 @@ thr_local_get_in_ibuf_field(void) return(&(local->in_ibuf)); } -/*********************************************************************** +/*******************************************************************//** Creates a local storage struct for the calling new thread. */ UNIV_INTERN void @@ -196,7 +200,7 @@ thr_local_create(void) mutex_exit(&thr_local_mutex); } -/*********************************************************************** +/*******************************************************************//** Frees the local storage struct for the specified thread. */ UNIV_INTERN void @@ -228,7 +232,7 @@ thr_local_free( mem_free(local); } -/******************************************************************** +/****************************************************************//** Initializes the thread local storage module. */ UNIV_INTERN void diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index b15f5763e13..0d809806edc 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0i_s.c INFORMATION SCHEMA innodb_trx, innodb_locks and innodb_lock_waits tables fetch code. @@ -53,22 +54,25 @@ Created July 17, 2007 Vasil Dimov #include "ut0mem.h" #include "ut0ut.h" +/** Initial number of rows in the table cache */ #define TABLE_CACHE_INITIAL_ROWSNUM 1024 -/* Table cache's rows are stored in a set of chunks. When a new row is -added a new chunk is allocated if necessary. MEM_CHUNKS_IN_TABLE_CACHE -specifies the maximum number of chunks. -Assuming that the first one is 1024 rows (TABLE_CACHE_INITIAL_ROWSNUM) -and each subsequent is N/2 where N is the number of rows we have -allocated till now, then 39th chunk would have 1677416425 number of rows -and all chunks would have 3354832851 number of rows. */ +/** @brief The maximum number of chunks to allocate for a table cache. + +The rows of a table cache are stored in a set of chunks. When a new +row is added a new chunk is allocated if necessary. Assuming that the +first one is 1024 rows (TABLE_CACHE_INITIAL_ROWSNUM) and each +subsequent is N/2 where N is the number of rows we have allocated till +now, then 39th chunk would accommodate 1677416425 rows and all chunks +would accommodate 3354832851 rows. */ #define MEM_CHUNKS_IN_TABLE_CACHE 39 -/* The following are some testing auxiliary macros. Do not enable them +/** The following are some testing auxiliary macros. Do not enable them in a production environment. */ +/* @{ */ #if 0 -/* If this is enabled then lock folds will always be different +/** If this is enabled then lock folds will always be different resulting in equal rows being put in a different cells of the hash table. Checking for duplicates will be flawed because different fold will be calculated when a row is searched in the hash table. */ @@ -76,7 +80,7 @@ fold will be calculated when a row is searched in the hash table. */ #endif #if 0 -/* This effectively kills the search-for-duplicate-before-adding-a-row +/** This effectively kills the search-for-duplicate-before-adding-a-row function, but searching in the hash is still performed. It will always be assumed that lock is not present and insertion will be performed in the hash table. */ @@ -84,93 +88,105 @@ the hash table. */ #endif #if 0 -/* This aggressively repeats adding each row many times. Depending on +/** This aggressively repeats adding each row many times. Depending on the above settings this may be noop or may result in lots of rows being added. */ #define TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES #endif #if 0 -/* Very similar to TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T but hash +/** Very similar to TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T but hash table search is not performed at all. */ #define TEST_DO_NOT_CHECK_FOR_DUPLICATE_ROWS #endif #if 0 -/* Do not insert each row into the hash table, duplicates may appear +/** Do not insert each row into the hash table, duplicates may appear if this is enabled, also if this is enabled searching into the hash is noop because it will be empty. */ #define TEST_DO_NOT_INSERT_INTO_THE_HASH_TABLE #endif +/* @} */ +/** Memory limit passed to ha_storage_put_memlim(). +@param cache hash storage +@return maximum allowed allocation size */ #define MAX_ALLOWED_FOR_STORAGE(cache) \ (TRX_I_S_MEM_LIMIT \ - (cache)->mem_allocd) +/** Memory limit in table_cache_create_empty_row(). +@param cache hash storage +@return maximum allowed allocation size */ #define MAX_ALLOWED_FOR_ALLOC(cache) \ (TRX_I_S_MEM_LIMIT \ - (cache)->mem_allocd \ - ha_storage_get_size((cache)->storage)) -/* Memory for each table in the intermediate buffer is allocated in +/** Memory for each table in the intermediate buffer is allocated in separate chunks. These chunks are considered to be concatenated to represent one flat array of rows. */ typedef struct i_s_mem_chunk_struct { - ulint offset; /* offset, in number of rows */ - ulint rows_allocd; /* the size of this chunk, in number + ulint offset; /*!< offset, in number of rows */ + ulint rows_allocd; /*!< the size of this chunk, in number of rows */ - void* base; /* start of the chunk */ + void* base; /*!< start of the chunk */ } i_s_mem_chunk_t; -/* This represents one table's cache. */ +/** This represents one table's cache. */ typedef struct i_s_table_cache_struct { - ulint rows_used; /* number of used rows */ - ulint rows_allocd; /* number of allocated rows */ - ulint row_size; /* size of a single row */ - i_s_mem_chunk_t chunks[MEM_CHUNKS_IN_TABLE_CACHE]; /* array of + ulint rows_used; /*!< number of used rows */ + ulint rows_allocd; /*!< number of allocated rows */ + ulint row_size; /*!< size of a single row */ + i_s_mem_chunk_t chunks[MEM_CHUNKS_IN_TABLE_CACHE]; /*!< array of memory chunks that stores the rows */ } i_s_table_cache_t; -/* This structure describes the intermediate buffer */ +/** This structure describes the intermediate buffer */ struct trx_i_s_cache_struct { - rw_lock_t rw_lock; /* read-write lock protecting + rw_lock_t rw_lock; /*!< read-write lock protecting the rest of this structure */ - ullint last_read; /* last time the cache was read; + ullint last_read; /*!< last time the cache was read; measured in microseconds since epoch */ - mutex_t last_read_mutex;/* mutex protecting the + mutex_t last_read_mutex;/*!< mutex protecting the last_read member - it is updated inside a shared lock of the rw_lock member */ - i_s_table_cache_t innodb_trx; /* innodb_trx table */ - i_s_table_cache_t innodb_locks; /* innodb_locks table */ - i_s_table_cache_t innodb_lock_waits;/* innodb_lock_waits table */ -/* the hash table size is LOCKS_HASH_CELLS_NUM * sizeof(void*) bytes */ + i_s_table_cache_t innodb_trx; /*!< innodb_trx table */ + i_s_table_cache_t innodb_locks; /*!< innodb_locks table */ + i_s_table_cache_t innodb_lock_waits;/*!< innodb_lock_waits table */ +/** the hash table size is LOCKS_HASH_CELLS_NUM * sizeof(void*) bytes */ #define LOCKS_HASH_CELLS_NUM 10000 - hash_table_t* locks_hash; /* hash table used to eliminate + hash_table_t* locks_hash; /*!< hash table used to eliminate duplicate entries in the innodb_locks table */ +/** Initial size of the cache storage */ #define CACHE_STORAGE_INITIAL_SIZE 1024 +/** Number of hash cells in the cache storage */ #define CACHE_STORAGE_HASH_CELLS 2048 - ha_storage_t* storage; /* storage for external volatile + ha_storage_t* storage; /*!< storage for external volatile data that can possibly not be available later, when we release the kernel mutex */ - ulint mem_allocd; /* the amount of memory + ulint mem_allocd; /*!< the amount of memory allocated with mem_alloc*() */ - ibool is_truncated; /* this is TRUE if the memory + ibool is_truncated; /*!< this is TRUE if the memory limit was hit and thus the data in the cache is truncated */ }; -/* This is the intermediate buffer where data needed to fill the +/** This is the intermediate buffer where data needed to fill the INFORMATION SCHEMA tables is fetched and later retrieved by the C++ code in handler/i_s.cc. */ static trx_i_s_cache_t trx_i_s_cache_static; +/** This is the intermediate buffer where data needed to fill the +INFORMATION SCHEMA tables is fetched and later retrieved by the C++ +code in handler/i_s.cc. */ UNIV_INTERN trx_i_s_cache_t* trx_i_s_cache = &trx_i_s_cache_static; -/*********************************************************************** +/*******************************************************************//** For a record lock that is in waiting state retrieves the only bit that is set, for a table lock returns ULINT_UNDEFINED. @return record number within the heap */ @@ -197,7 +213,7 @@ wait_lock_get_heap_no( return(ret); } -/*********************************************************************** +/*******************************************************************//** Initializes the members of a table cache. */ static void @@ -221,7 +237,7 @@ table_cache_init( } } -/*********************************************************************** +/*******************************************************************//** Returns an empty row from a table cache. The row is allocated if no more empty rows are available. The number of used rows is incremented. If the memory limit is hit then NULL is returned and nothing is @@ -364,7 +380,7 @@ table_cache_create_empty_row( return(row); } -/*********************************************************************** +/*******************************************************************//** Fills i_s_trx_row_t object. If memory can not be allocated then FALSE is returned. @return FALSE if allocation fails */ @@ -449,10 +465,10 @@ fill_trx_row( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Format the nth field of "rec" and put it in "buf". The result is always -'\0'-terminated. Returns the number of bytes that were written to "buf" -(including the terminating '\0'). +NUL-terminated. Returns the number of bytes that were written to "buf" +(including the terminating NUL). @return end of the result */ static ulint @@ -508,7 +524,7 @@ put_nth_field( return(ret); } -/*********************************************************************** +/*******************************************************************//** Fills the "lock_data" member of i_s_locks_row_t object. If memory can not be allocated then FALSE is returned. @return FALSE if allocation fails */ @@ -617,7 +633,7 @@ fill_lock_data( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Fills i_s_locks_row_t object. Returns its first argument. If memory can not be allocated then FALSE is returned. @return FALSE if allocation fails */ @@ -691,7 +707,7 @@ fill_locks_row( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Fills i_s_lock_waits_row_t object. Returns its first argument. @return result object that's filled */ static @@ -713,7 +729,7 @@ fill_lock_waits_row( return(row); } -/*********************************************************************** +/*******************************************************************//** Calculates a hash fold for a lock. For a record lock the fold is calculated from 4 elements, which uniquely identify a lock at a given point in time: transaction id, space id, page number, record number. @@ -765,7 +781,7 @@ fold_lock( #endif } -/*********************************************************************** +/*******************************************************************//** Checks whether i_s_locks_row_t object represents a lock_t object. @return TRUE if they match */ static @@ -806,7 +822,7 @@ locks_row_eq_lock( #endif } -/*********************************************************************** +/*******************************************************************//** Searches for a row in the innodb_locks cache that has a specified id. This happens in O(1) time since a hash table is used. Returns pointer to the row or NULL if none is found. @@ -848,7 +864,7 @@ search_innodb_locks( return(hash_chain->value); } -/*********************************************************************** +/*******************************************************************//** Adds new element to the locks cache, enlarging it if necessary. Returns a pointer to the added row. If the row is already present then no row is added and a pointer to the existing row is returned. @@ -915,7 +931,7 @@ add_lock_to_cache( return(dst_row); } -/*********************************************************************** +/*******************************************************************//** Adds new pair of locks to the lock waits cache. If memory can not be allocated then FALSE is returned. @return FALSE if allocation fails */ @@ -948,7 +964,7 @@ add_lock_wait_to_cache( return(TRUE); } -/*********************************************************************** +/*******************************************************************//** Adds transaction's relevant (important) locks to cache. If the transaction is waiting, then the wait lock is added to innodb_locks and a pointer to the added row is returned in @@ -1042,8 +1058,15 @@ add_trx_relevant_locks_to_cache( return(TRUE); } -/*********************************************************************** -Checks if the cache can safely be updated. */ +/** The minimum time that a cache must not be updated after it has been +read for the last time; measured in microseconds. We use this technique +to ensure that SELECTs which join several INFORMATION SCHEMA tables read +the same version of the cache. */ +#define CACHE_MIN_IDLE_TIME_US 100000 /* 0.1 sec */ + +/*******************************************************************//** +Checks if the cache can safely be updated. +@return TRUE if can be updated */ static ibool can_cache_be_updated( @@ -1052,12 +1075,6 @@ can_cache_be_updated( { ullint now; -/* The minimum time that a cache must not be updated after it has been -read for the last time; measured in microseconds. We use this technique -to ensure that SELECTs which join several INFORMATION SCHEMA tables read -the same version of the cache. */ -#define CACHE_MIN_IDLE_TIME_US 100000 /* 0.1 sec */ - /* Here we read cache->last_read without acquiring its mutex because last_read is only updated when a shared rw lock on the whole cache is being held (see trx_i_s_cache_end_read()) and @@ -1078,7 +1095,7 @@ the same version of the cache. */ return(FALSE); } -/*********************************************************************** +/*******************************************************************//** Declare a cache empty, preparing it to be filled up. Not all resources are freed because they can be reused. */ static @@ -1096,7 +1113,7 @@ trx_i_s_cache_clear( ha_storage_empty(&cache->storage); } -/*********************************************************************** +/*******************************************************************//** Fetches the data needed to fill the 3 INFORMATION SCHEMA tables into the table cache buffer. Cache must be locked for write. */ static @@ -1152,7 +1169,7 @@ fetch_data_into_cache( cache->is_truncated = FALSE; } -/*********************************************************************** +/*******************************************************************//** Update the transactions cache if it has not been read for some time. Called from handler/i_s.cc. @return 0 - fetched, 1 - not */ @@ -1182,7 +1199,7 @@ trx_i_s_possibly_fetch_data_into_cache( return(0); } -/*********************************************************************** +/*******************************************************************//** Returns TRUE if the data in the cache is truncated due to the memory limit posed by TRX_I_S_MEM_LIMIT. @return TRUE if truncated */ @@ -1195,7 +1212,7 @@ trx_i_s_cache_is_truncated( return(cache->is_truncated); } -/*********************************************************************** +/*******************************************************************//** Initialize INFORMATION SCHEMA trx related cache. */ UNIV_INTERN void @@ -1234,7 +1251,7 @@ trx_i_s_cache_init( cache->is_truncated = FALSE; } -/*********************************************************************** +/*******************************************************************//** Issue a shared/read lock on the tables cache. */ UNIV_INTERN void @@ -1245,7 +1262,7 @@ trx_i_s_cache_start_read( rw_lock_s_lock(&cache->rw_lock); } -/*********************************************************************** +/*******************************************************************//** Release a shared/read lock on the tables cache. */ UNIV_INTERN void @@ -1268,7 +1285,7 @@ trx_i_s_cache_end_read( rw_lock_s_unlock(&cache->rw_lock); } -/*********************************************************************** +/*******************************************************************//** Issue an exclusive/write lock on the tables cache. */ UNIV_INTERN void @@ -1279,7 +1296,7 @@ trx_i_s_cache_start_write( rw_lock_x_lock(&cache->rw_lock); } -/*********************************************************************** +/*******************************************************************//** Release an exclusive/write lock on the tables cache. */ UNIV_INTERN void @@ -1294,7 +1311,7 @@ trx_i_s_cache_end_write( rw_lock_x_unlock(&cache->rw_lock); } -/*********************************************************************** +/*******************************************************************//** Selects a INFORMATION SCHEMA table cache from the whole cache. @return table cache */ static @@ -1328,7 +1345,7 @@ cache_select_table( return(table_cache); } -/*********************************************************************** +/*******************************************************************//** Retrieves the number of used rows in the cache for a given INFORMATION SCHEMA table. @return number of rows */ @@ -1346,7 +1363,7 @@ trx_i_s_cache_get_rows_used( return(table_cache->rows_used); } -/*********************************************************************** +/*******************************************************************//** Retrieves the nth row (zero-based) in the cache for a given INFORMATION SCHEMA table. @return row */ @@ -1385,7 +1402,7 @@ trx_i_s_cache_get_nth_row( return(row); } -/*********************************************************************** +/*******************************************************************//** Crafts a lock id string from a i_s_locks_row_t object. Returns its second argument. This function aborts if there is not enough space in lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you diff --git a/trx/trx0purge.c b/trx/trx0purge.c index 4d9319c56dc..b936d4d5d74 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0purge.c Purge old versions Created 3/26/1996 Heikki Tuuri @@ -42,17 +43,19 @@ Created 3/26/1996 Heikki Tuuri #include "srv0que.h" #include "os0thread.h" -/* The global data structure coordinating a purge */ +/** The global data structure coordinating a purge */ UNIV_INTERN trx_purge_t* purge_sys = NULL; -/* A dummy undo record used as a return value when we have a whole undo log +/** A dummy undo record used as a return value when we have a whole undo log which needs no purge */ UNIV_INTERN trx_undo_rec_t trx_purge_dummy_rec; -/********************************************************************* +/*****************************************************************//** Checks if trx_id is >= purge_view: then it is guaranteed that its update undo log still exists in the system. -@return TRUE if is sure that it is preserved, also if the function returns FALSE, it is possible that the undo log still exists in the system */ +@return TRUE if is sure that it is preserved, also if the function +returns FALSE, it is possible that the undo log still exists in the +system */ UNIV_INTERN ibool trx_purge_update_undo_must_exist( @@ -73,7 +76,7 @@ trx_purge_update_undo_must_exist( /*=================== PURGE RECORD ARRAY =============================*/ -/*********************************************************************** +/*******************************************************************//** Stores info of an undo log record during a purge. @return pointer to the storage cell */ static @@ -105,7 +108,7 @@ trx_purge_arr_store_info( } } -/*********************************************************************** +/*******************************************************************//** Removes info of an undo log record during a purge. */ UNIV_INLINE void @@ -124,7 +127,7 @@ trx_purge_arr_remove_info( arr->n_used--; } -/*********************************************************************** +/*******************************************************************//** Gets the biggest pair of a trx number and an undo number in a purge array. */ static void @@ -174,7 +177,7 @@ trx_purge_arr_get_biggest( } } -/******************************************************************** +/****************************************************************//** Builds a purge 'query' graph. The actual purge is performed by executing this query graph. @return own: the query graph */ @@ -203,7 +206,7 @@ trx_purge_graph_build(void) return(fork); } -/************************************************************************ +/********************************************************************//** Creates the global purge system control structure and inits the history mutex. */ UNIV_INTERN @@ -247,7 +250,7 @@ trx_purge_sys_create(void) /*================ UNDO LOG HISTORY LIST =============================*/ -/************************************************************************ +/********************************************************************//** Adds the update undo log as the first log in the history list. Removes the update undo log segment from the rseg slot if it is too big for reuse. */ UNIV_INTERN @@ -328,7 +331,7 @@ trx_purge_add_update_undo_to_history( } } -/************************************************************************** +/**********************************************************************//** Frees an undo log segment which is in the history list. Cuts the end of the history list at the youngest undo log in this segment. */ static @@ -434,7 +437,7 @@ loop: mtr_commit(&mtr); } -/************************************************************************ +/********************************************************************//** Removes unnecessary history data from a rollback segment. */ static void @@ -538,7 +541,7 @@ loop: goto loop; } -/************************************************************************ +/********************************************************************//** Removes unnecessary history data from rollback segments. NOTE that when this function is called, the caller must not have any latches on undo log pages! */ static @@ -581,7 +584,7 @@ trx_purge_truncate_history(void) } } -/************************************************************************ +/********************************************************************//** Does a truncate if the purge array is empty. NOTE that when this function is called, the caller must not have any latches on undo log pages! @return TRUE if array empty */ @@ -602,7 +605,7 @@ trx_purge_truncate_if_arr_empty(void) return(FALSE); } -/*************************************************************************** +/***********************************************************************//** Updates the last not yet purged history log info in rseg when we have purged a whole undo log. Advances also purge_sys->purge_trx_no past the purged log. */ static @@ -703,7 +706,7 @@ trx_purge_rseg_get_next_history_log( mutex_exit(&(rseg->mutex)); } -/*************************************************************************** +/***********************************************************************//** Chooses the next undo log to purge and updates the info in purge_sys. This function is used to initialize purge_sys when the next record to purge is not known, and also to update the purge system info on the next record when @@ -802,7 +805,7 @@ trx_purge_choose_next_log(void) mtr_commit(&mtr); } -/*************************************************************************** +/***********************************************************************//** Gets the next record to purge and updates the info in the purge system. @return copy of an undo log record or pointer to the dummy undo log record */ static @@ -924,10 +927,11 @@ trx_purge_get_next_rec( return(rec_copy); } -/************************************************************************ +/********************************************************************//** Fetches the next undo log record from the history list to purge. It must be released with the corresponding release function. -@return copy of an undo log record or pointer to the dummy undo log record &trx_purge_dummy_rec, if the whole undo log can skipped in purge; NULL if none left */ +@return copy of an undo log record or pointer to trx_purge_dummy_rec, +if the whole undo log can skipped in purge; NULL if none left */ UNIV_INTERN trx_undo_rec_t* trx_purge_fetch_next_rec( @@ -1017,7 +1021,7 @@ trx_purge_fetch_next_rec( return(undo_rec); } -/*********************************************************************** +/*******************************************************************//** Releases a reserved purge undo record. */ UNIV_INTERN void @@ -1036,7 +1040,7 @@ trx_purge_rec_release( mutex_exit(&(purge_sys->mutex)); } -/*********************************************************************** +/*******************************************************************//** This function runs a purge batch. @return number of undo log pages handled in the batch */ UNIV_INTERN @@ -1143,7 +1147,7 @@ trx_purge(void) return(purge_sys->n_pages_handled - old_pages_handled); } -/********************************************************************** +/******************************************************************//** Prints information of the purge system to stderr. */ UNIV_INTERN void diff --git a/trx/trx0rec.c b/trx/trx0rec.c index 984b56b12ca..36911c9df85 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0rec.c Transaction undo log record Created 3/26/1996 Heikki Tuuri @@ -44,7 +45,7 @@ Created 3/26/1996 Heikki Tuuri /*=========== UNDO LOG RECORD CREATION AND DECODING ====================*/ -/************************************************************************** +/**********************************************************************//** Writes the mtr log entry of the inserted undo log record on the undo log page. */ UNIV_INLINE @@ -85,7 +86,7 @@ trx_undof_page_add_undo_rec_log( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses a redo log record of adding an undo log record. @return end of log record or NULL */ UNIV_INTERN @@ -133,7 +134,7 @@ trx_undo_parse_add_undo_rec( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Calculates the free space left for extending an undo log record. @return bytes left */ UNIV_INLINE @@ -149,7 +150,7 @@ trx_undo_left( return(UNIV_PAGE_SIZE - (ptr - page) - 10 - FIL_PAGE_DATA_END); } -/************************************************************************** +/**********************************************************************//** Set the next and previous pointers in the undo page for the undo record that was written to ptr. Update the first free value by the number of bytes written for this undo record. @@ -163,8 +164,8 @@ trx_undo_page_set_next_prev_and_add( written on this undo page. */ mtr_t* mtr) /*!< in: mtr */ { - ulint first_free; /* offset within undo_page */ - ulint end_of_rec; /* offset within undo_page */ + ulint first_free; /*!< offset within undo_page */ + ulint end_of_rec; /*!< offset within undo_page */ byte* ptr_to_first_free; /* pointer within undo_page that points to the next free @@ -201,7 +202,7 @@ trx_undo_page_set_next_prev_and_add( return(first_free); } -/************************************************************************** +/**********************************************************************//** Reports in the undo log of an insert of a clustered index record. @return offset of the inserted entry on the page if succeed, 0 if fail */ static @@ -273,7 +274,7 @@ trx_undo_page_report_insert( return(trx_undo_page_set_next_prev_and_add(undo_page, ptr, mtr)); } -/************************************************************************** +/**********************************************************************//** Reads from an undo log record the general parameters. @return remaining part of undo log record after reading these values */ UNIV_INTERN @@ -317,7 +318,7 @@ trx_undo_rec_get_pars( return(ptr); } -/************************************************************************** +/**********************************************************************//** Reads from an undo log record a stored column value. @return remaining part of undo log record after reading these values */ static @@ -366,7 +367,7 @@ trx_undo_rec_get_col_val( return(ptr); } -/*********************************************************************** +/*******************************************************************//** Builds a row reference from an undo log record. @return pointer to remaining part of undo record */ UNIV_INTERN @@ -412,7 +413,7 @@ trx_undo_rec_get_row_ref( return(ptr); } -/*********************************************************************** +/*******************************************************************//** Skips a row reference from an undo log record. @return pointer to remaining part of undo record */ UNIV_INTERN @@ -442,7 +443,7 @@ trx_undo_rec_skip_row_ref( return(ptr); } -/************************************************************************** +/**********************************************************************//** Fetch a prefix of an externally stored column, for writing to the undo log of an update or delete marking of a clustered index record. @return ext_buf */ @@ -472,7 +473,7 @@ trx_undo_page_fetch_ext( return(ext_buf); } -/************************************************************************** +/**********************************************************************//** Writes to the undo log a prefix of an externally stored column. @return undo log position */ static @@ -513,10 +514,11 @@ trx_undo_page_report_modify_ext( return(ptr); } -/************************************************************************** +/**********************************************************************//** Reports in the undo log of an update or delete marking of a clustered index record. -@return byte offset of the inserted undo log entry on the page if succeed, 0 if fail */ +@return byte offset of the inserted undo log entry on the page if +succeed, 0 if fail */ static ulint trx_undo_page_report_modify( @@ -820,7 +822,7 @@ trx_undo_page_report_modify( return(first_free); } -/************************************************************************** +/**********************************************************************//** Reads from an undo log update record the system field values of the old version. @return remaining part of undo log record after reading these values */ @@ -850,7 +852,7 @@ trx_undo_update_rec_get_sys_cols( return(ptr); } -/************************************************************************** +/**********************************************************************//** Reads from an update undo log record the number of updated fields. @return remaining part of undo log record after reading this value */ UNIV_INLINE @@ -866,7 +868,7 @@ trx_undo_update_rec_get_n_upd_fields( return(ptr); } -/************************************************************************** +/**********************************************************************//** Reads from an update undo log record a stored field number. @return remaining part of undo log record after reading this value */ UNIV_INLINE @@ -882,9 +884,10 @@ trx_undo_update_rec_get_field_no( return(ptr); } -/*********************************************************************** +/*******************************************************************//** Builds an update vector based on a remaining part of an undo log record. -@return remaining part of the record, NULL if an error detected, which means that the record is corrupted */ +@return remaining part of the record, NULL if an error detected, which +means that the record is corrupted */ UNIV_INTERN byte* trx_undo_update_rec_get_update( @@ -1002,7 +1005,7 @@ trx_undo_update_rec_get_update( return(ptr); } -/*********************************************************************** +/*******************************************************************//** Builds a partial row from an update undo log record. It contains the columns which occur as ordering in any index of the table. @return pointer to remaining part of undo record */ @@ -1083,7 +1086,7 @@ trx_undo_rec_get_partial_row( } #endif /* !UNIV_HOTBACKUP */ -/*************************************************************************** +/***********************************************************************//** Erases the unused undo log page end. */ static void @@ -1102,7 +1105,7 @@ trx_undo_erase_page_end( mlog_write_initial_log_record(undo_page, MLOG_UNDO_ERASE_END, mtr); } -/*************************************************************** +/***********************************************************//** Parses a redo log record of erasing of an undo page end. @return end of log record or NULL */ UNIV_INTERN @@ -1127,7 +1130,7 @@ trx_undo_parse_erase_page_end( } #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the transaction and in consistent reads that must look to the history of this @@ -1315,7 +1318,7 @@ trx_undo_report_row_operation( /*============== BUILDING PREVIOUS VERSION OF A RECORD ===============*/ -/********************************************************************** +/******************************************************************//** Copies an undo record to heap. This function can be called if we know that the undo log record exists. @return own: copy of the record */ @@ -1351,9 +1354,14 @@ trx_undo_get_undo_rec_low( return(undo_rec); } -/********************************************************************** +/******************************************************************//** Copies an undo record to heap. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been truncated and we cannot fetch the old version; NOTE: the caller must have latches on the clustered index page and purge_view */ + +NOTE: the caller must have latches on the clustered index page and +purge_view. + +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been +truncated and we cannot fetch the old version */ UNIV_INTERN ulint trx_undo_get_undo_rec( @@ -1382,12 +1390,14 @@ trx_undo_get_undo_rec( return(DB_SUCCESS); } -/*********************************************************************** +/*******************************************************************//** Build a previous version of a clustered index record. This function checks that the caller has a latch on the index page of the clustered index record and an s-latch on the purge_view. This guarantees that the stack of versions is locked all the way down to the purge_view. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is not >= purge_view, which means that it may have been removed, DB_ERROR if corrupted record */ +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is +earlier than purge_view, which means that it may have been removed, +DB_ERROR if corrupted record */ UNIV_INTERN ulint trx_undo_prev_version_build( diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 9de885a8e2d..51d17192d5b 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0roll.c Transaction rollback Created 3/26/1996 Heikki Tuuri @@ -43,20 +44,21 @@ Created 3/26/1996 Heikki Tuuri #include "lock0lock.h" #include "pars0pars.h" -/* This many pages must be undone before a truncate is tried within rollback */ +/** This many pages must be undone before a truncate is tried within +rollback */ #define TRX_ROLL_TRUNC_THRESHOLD 1 -/* In crash recovery, the current trx to be rolled back */ +/** In crash recovery, the current trx to be rolled back */ static trx_t* trx_roll_crash_recv_trx = NULL; -/* In crash recovery we set this to the undo n:o of the current trx to be +/** In crash recovery we set this to the undo n:o of the current trx to be rolled back. Then we can print how many % the rollback has progressed. */ static ib_int64_t trx_roll_max_undo_no; -/* Auxiliary variable which tells the previous progress % we printed */ +/** Auxiliary variable which tells the previous progress % we printed */ static ulint trx_roll_progress_printed_pct; -/*********************************************************************** +/*******************************************************************//** Rollback a transaction used in MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -121,7 +123,7 @@ trx_general_rollback_for_mysql( return((int) trx->error_state); } -/*********************************************************************** +/*******************************************************************//** Rollback a transaction used in MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -150,7 +152,7 @@ trx_rollback_for_mysql( return(err); } -/*********************************************************************** +/*******************************************************************//** Rollback the latest SQL statement for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN @@ -178,7 +180,7 @@ trx_rollback_last_sql_stat_for_mysql( return(err); } -/*********************************************************************** +/*******************************************************************//** Frees a single savepoint struct. */ UNIV_INTERN void @@ -195,7 +197,7 @@ trx_roll_savepoint_free( mem_free(savep); } -/*********************************************************************** +/*******************************************************************//** Frees savepoint structs starting from savep, if savep == NULL then free all savepoints. */ UNIV_INTERN @@ -224,14 +226,15 @@ trx_roll_savepoints_free( } } -/*********************************************************************** +/*******************************************************************//** Rolls back a transaction back to a named savepoint. Modifications after the savepoint are undone but InnoDB does NOT release the corresponding locks which are stored in memory. If a lock is 'implicit', that is, a new inserted row holds a lock where the lock information is carried by the trx id stored in the row, these locks are naturally released in the rollback. Savepoints which were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_rollback_to_savepoint_for_mysql( @@ -291,7 +294,7 @@ trx_rollback_to_savepoint_for_mysql( return(err); } -/*********************************************************************** +/*******************************************************************//** Creates a named savepoint. If the transaction is not yet started, starts it. If there is already a savepoint of the same name, this call erases that old savepoint and replaces it with a new. Savepoints are deleted in a transaction @@ -349,10 +352,11 @@ trx_savepoint_for_mysql( return(DB_SUCCESS); } -/*********************************************************************** +/*******************************************************************//** Releases only the named savepoint. Savepoints which were set after this savepoint are left as is. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, otherwise DB_SUCCESS */ +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ UNIV_INTERN ulint trx_release_savepoint_for_mysql( @@ -376,10 +380,11 @@ trx_release_savepoint_for_mysql( return(DB_NO_SAVEPOINT); } -/*********************************************************************** +/*******************************************************************//** Determines if this transaction is rolling back an incomplete transaction in crash recovery. -@return TRUE if trx is an incomplete transaction that is being rolled back in crash recovery */ +@return TRUE if trx is an incomplete transaction that is being rolled +back in crash recovery */ UNIV_INTERN ibool trx_is_recv( @@ -389,7 +394,7 @@ trx_is_recv( return(trx == trx_roll_crash_recv_trx); } -/*********************************************************************** +/*******************************************************************//** Returns a transaction savepoint taken at this point in time. @return savepoint */ UNIV_INTERN @@ -405,7 +410,7 @@ trx_savept_take( return(savept); } -/*********************************************************************** +/*******************************************************************//** Roll back an active transaction. */ static void @@ -525,7 +530,7 @@ trx_rollback_active( trx_roll_crash_recv_trx = NULL; } -/*********************************************************************** +/*******************************************************************//** Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the @@ -600,7 +605,7 @@ leave_function: OS_THREAD_DUMMY_RETURN; } -/*********************************************************************** +/*******************************************************************//** Creates an undo number array. @return own: undo number array */ UNIV_INTERN @@ -631,7 +636,7 @@ trx_undo_arr_create(void) return(arr); } -/*********************************************************************** +/*******************************************************************//** Frees an undo number array. */ UNIV_INTERN void @@ -644,7 +649,7 @@ trx_undo_arr_free( mem_heap_free(arr->heap); } -/*********************************************************************** +/*******************************************************************//** Stores info of an undo log record to the array if it is not stored yet. @return FALSE if the record already existed in the array */ static @@ -705,7 +710,7 @@ trx_undo_arr_store_info( } } -/*********************************************************************** +/*******************************************************************//** Removes an undo number from the array. */ static void @@ -739,7 +744,7 @@ trx_undo_arr_remove_info( } } -/*********************************************************************** +/*******************************************************************//** Gets the biggest undo number in an array. @return biggest value, ut_dulint_zero if the array is empty */ static @@ -775,7 +780,7 @@ trx_undo_arr_get_biggest( } } -/*************************************************************************** +/***********************************************************************//** Tries truncate the undo logs. */ UNIV_INTERN void @@ -814,7 +819,7 @@ trx_roll_try_truncate( } } -/*************************************************************************** +/***********************************************************************//** Pops the topmost undo log record in a single undo log and updates the info about the topmost record in the undo log memory struct. @return undo log record, the page s-latched */ @@ -863,13 +868,14 @@ trx_roll_pop_top_rec( return(undo_page + offset); } -/************************************************************************ +/********************************************************************//** Pops the topmost record when the two undo logs of a transaction are seen as a single stack of records ordered by their undo numbers. Inserts the undo number of the popped undo record to the array of currently processed undo numbers in the transaction. When the query thread finishes processing of this undo record, it must be released with trx_undo_rec_release. -@return undo log record copied to heap, NULL if none left, or if the undo number of the top record would be less than the limit */ +@return undo log record copied to heap, NULL if none left, or if the +undo number of the top record would be less than the limit */ UNIV_INTERN trx_undo_rec_t* trx_roll_pop_top_rec_of_trx( @@ -994,7 +1000,7 @@ try_again: return(undo_rec_copy); } -/************************************************************************ +/********************************************************************//** Reserves an undo log record for a query thread to undo. This should be called if the query thread gets the undo log record not using the pop function above. @@ -1017,7 +1023,7 @@ trx_undo_rec_reserve( return(ret); } -/*********************************************************************** +/*******************************************************************//** Releases a reserved undo record. */ UNIV_INTERN void @@ -1037,7 +1043,7 @@ trx_undo_rec_release( mutex_exit(&(trx->undo_mutex)); } -/************************************************************************* +/*********************************************************************//** Starts a rollback operation. */ UNIV_INTERN void @@ -1108,7 +1114,7 @@ trx_rollback( } } -/******************************************************************** +/****************************************************************//** Builds an undo 'query' graph for a transaction. The actual rollback is performed by executing this query graph like a query subprocedure call. The reply about the completion of the rollback will be sent by this @@ -1140,7 +1146,7 @@ trx_roll_graph_build( return(fork); } -/************************************************************************* +/*********************************************************************//** Finishes error processing after the necessary partial rollback has been done. */ static @@ -1170,7 +1176,7 @@ trx_finish_error_processing( trx->que_state = TRX_QUE_RUNNING; } -/************************************************************************* +/*********************************************************************//** Finishes a partial rollback operation. */ static void @@ -1198,7 +1204,7 @@ trx_finish_partial_rollback_off_kernel( trx->que_state = TRX_QUE_RUNNING; } -/******************************************************************** +/****************************************************************//** Finishes a transaction rollback. */ UNIV_INTERN void @@ -1266,7 +1272,7 @@ trx_finish_rollback_off_kernel( } } -/************************************************************************* +/*********************************************************************//** Creates a rollback command node struct. @return own: rollback node struct */ UNIV_INTERN @@ -1286,7 +1292,7 @@ roll_node_create( return(node); } -/*************************************************************** +/***********************************************************//** Performs an execution step for a rollback command node in a query graph. @return query thread to run next, or NULL */ UNIV_INTERN diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 1605eb08414..580762e8716 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0rseg.c Rollback segment Created 3/26/1996 Heikki Tuuri @@ -33,7 +34,7 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" #include "trx0purge.h" -/********************************************************************** +/******************************************************************//** Looks for a rollback segment, based on the rollback segment id. @return rollback segment */ UNIV_INTERN @@ -55,7 +56,7 @@ trx_rseg_get_on_id( return(rseg); } -/******************************************************************** +/****************************************************************//** Creates a rollback segment header. This function is called only when a new rollback segment is created in the database. @return page number of the created segment, FIL_NULL if fail */ @@ -130,7 +131,7 @@ trx_rseg_header_create( return(page_no); } -/*************************************************************************** +/***********************************************************************//** Creates and initializes a rollback segment object. The values for the fields are read from the header. The object is inserted to the rseg list of the trx system object and a pointer is inserted in the rseg @@ -206,7 +207,7 @@ trx_rseg_mem_create( return(rseg); } -/************************************************************************* +/*********************************************************************//** Creates the memory copies for rollback segments and initializes the rseg list and array in trx_sys at a database startup. */ UNIV_INTERN @@ -243,7 +244,7 @@ trx_rseg_list_and_array_init( } } -/******************************************************************** +/****************************************************************//** Creates a new rollback segment to the database. @return the created segment object, NULL if fail */ UNIV_INTERN diff --git a/trx/trx0sys.c b/trx/trx0sys.c index dc5eb654877..502dba4553d 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0sys.c Transaction system Created 3/26/1996 Heikki Tuuri @@ -39,49 +40,54 @@ Created 3/26/1996 Heikki Tuuri #include "log0log.h" #include "os0file.h" -/* The file format tag structure with id and name. */ +/** The file format tag structure with id and name. */ struct file_format_struct { - ulint id; /* id of the file format */ - const char* name; /* text representation of the + ulint id; /*!< id of the file format */ + const char* name; /*!< text representation of the file format */ - mutex_t mutex; /* covers changes to the above + mutex_t mutex; /*!< covers changes to the above fields */ }; +/** The file format tag */ typedef struct file_format_struct file_format_t; -/* The transaction system */ +/** The transaction system */ UNIV_INTERN trx_sys_t* trx_sys = NULL; +/** The doublewrite buffer */ UNIV_INTERN trx_doublewrite_t* trx_doublewrite = NULL; -/* The following is set to TRUE when we are upgrading from the old format data -files to the new >= 4.1.x format multiple tablespaces format data files */ - +/** The following is set to TRUE when we are upgrading from pre-4.1 +format data files to the multiple tablespaces format data files */ UNIV_INTERN ibool trx_doublewrite_must_reset_space_ids = FALSE; -/* The following is TRUE when we are using the database in the new format, -i.e., we have successfully upgraded, or have created a new database -installation */ - +/** The following is TRUE when we are using the database in the +post-4.1 format, i.e., we have successfully upgraded, or have created +a new database installation */ UNIV_INTERN ibool trx_sys_multiple_tablespace_format = FALSE; -/* In a MySQL replication slave, in crash recovery we store the master log -file name and position here. We have successfully got the updates to InnoDB -up to this position. If .._pos is -1, it means no crash recovery was needed, -or there was no master log position info inside InnoDB. */ - +/** In a MySQL replication slave, in crash recovery we store the master log +file name and position here. */ +/* @{ */ +/** Master binlog file name */ UNIV_INTERN char trx_sys_mysql_master_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; +/** Master binlog file position. We have successfully got the updates +up to this position. -1 means that no crash recovery was needed, or +there was no master log position info inside InnoDB.*/ UNIV_INTERN ib_int64_t trx_sys_mysql_master_log_pos = -1; +/* @} */ -/* If this MySQL server uses binary logging, after InnoDB has been inited +/** If this MySQL server uses binary logging, after InnoDB has been inited and if it has done a crash recovery, we store the binlog file name and position -here. If .._pos is -1, it means there was no binlog position info inside -InnoDB. */ - +here. */ +/* @{ */ +/** Binlog file name */ UNIV_INTERN char trx_sys_mysql_bin_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; +/** Binlog file position, or -1 if unknown */ UNIV_INTERN ib_int64_t trx_sys_mysql_bin_log_pos = -1; +/* @} */ -/* List of animal names representing file format. */ +/** List of animal names representing file format. */ static const char* file_format_name_map[] = { "Antelope", "Barracuda", @@ -111,18 +117,19 @@ static const char* file_format_name_map[] = { "Zebra" }; -/* The number of elements in the file format name array. */ +/** The number of elements in the file format name array. */ static const ulint FILE_FORMAT_NAME_N = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); -/* This is used to track the maximum file format id known to InnoDB. It's +/** This is used to track the maximum file format id known to InnoDB. It's updated via SET GLOBAL innodb_file_format_check = 'x' or when we open or create a table. */ static file_format_t file_format_max; -/******************************************************************** +/****************************************************************//** Determines if a page number is located inside the doublewrite buffer. -@return TRUE if the location is inside the two blocks of the doublewrite buffer */ +@return TRUE if the location is inside the two blocks of the +doublewrite buffer */ UNIV_INTERN ibool trx_doublewrite_page_inside( @@ -149,7 +156,7 @@ trx_doublewrite_page_inside( return(FALSE); } -/******************************************************************** +/****************************************************************//** Creates or initialializes the doublewrite buffer at a database start. */ static void @@ -183,7 +190,7 @@ trx_doublewrite_init( 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * sizeof(void*)); } -/******************************************************************** +/****************************************************************//** Marks the trx sys header when we have successfully upgraded to the >= 4.1.x multiple tablespace format. */ UNIV_INTERN @@ -218,7 +225,7 @@ trx_sys_mark_upgraded_to_multiple_tablespaces(void) trx_sys_multiple_tablespace_format = TRUE; } -/******************************************************************** +/****************************************************************//** Creates the doublewrite buffer to a new InnoDB installation. The header of the doublewrite buffer is placed on the trx system header page. */ UNIV_INTERN @@ -391,7 +398,7 @@ start_again: } } -/******************************************************************** +/****************************************************************//** At a database startup initializes the doublewrite buffer memory structure if we already have a doublewrite buffer created in the data files. If we are upgrading to an InnoDB version which supports multiple tablespaces, then this @@ -603,7 +610,7 @@ leave_func: ut_free(unaligned_read_buf); } -/******************************************************************** +/****************************************************************//** Checks that trx is in the trx list. @return TRUE if is in */ UNIV_INTERN @@ -631,7 +638,7 @@ trx_in_trx_list( return(FALSE); } -/********************************************************************* +/*****************************************************************//** Writes the value of max_trx_id to the file based trx system header. */ UNIV_INTERN void @@ -652,7 +659,7 @@ trx_sys_flush_max_trx_id(void) mtr_commit(&mtr); } -/********************************************************************* +/*****************************************************************//** Updates the offset information about the end of the MySQL binlog entry which corresponds to the transaction just being committed. In a MySQL replication slave updates the latest master binlog position up to which @@ -713,7 +720,7 @@ trx_sys_update_mysql_binlog_offset( MLOG_4BYTES, mtr); } -/********************************************************************* +/*****************************************************************//** Stores the MySQL binlog offset info in the trx system header if the magic number shows it valid, and print the info to stderr */ UNIV_INTERN @@ -763,7 +770,7 @@ trx_sys_print_mysql_binlog_offset(void) mtr_commit(&mtr); } -/********************************************************************* +/*****************************************************************//** Prints to stderr the MySQL master log offset info in the trx system header if the magic number shows it valid. */ UNIV_INTERN @@ -817,7 +824,7 @@ trx_sys_print_mysql_master_log_pos(void) mtr_commit(&mtr); } -/******************************************************************** +/****************************************************************//** Looks for a free slot for a rollback segment in the trx system file copy. @return slot index or ULINT_UNDEFINED if not found */ UNIV_INTERN @@ -847,7 +854,7 @@ trx_sysf_rseg_find_free( return(ULINT_UNDEFINED); } -/********************************************************************* +/*****************************************************************//** Creates the file page for the transaction system. This function is called only at the database creation, before trx_sys_init. */ static @@ -924,7 +931,7 @@ trx_sysf_create( mutex_exit(&kernel_mutex); } -/********************************************************************* +/*****************************************************************//** Creates and initializes the central memory structures for the transaction system. This is called when the database is started. */ UNIV_INTERN @@ -1012,7 +1019,7 @@ trx_sys_init_at_db_start(void) mtr_commit(&mtr); } -/********************************************************************* +/*****************************************************************//** Creates and initializes the transaction system at the database creation. */ UNIV_INTERN void @@ -1030,7 +1037,7 @@ trx_sys_create(void) trx_sys_init_at_db_start(); } -/********************************************************************* +/*****************************************************************//** Update the file format tag. @return always TRUE */ static @@ -1072,7 +1079,7 @@ trx_sys_file_format_max_write( return(TRUE); } -/********************************************************************* +/*****************************************************************//** Read the file format tag. @return the file format or ULINT_UNDEFINED if not set. */ static @@ -1110,7 +1117,7 @@ trx_sys_file_format_max_read(void) return(format_id); } -/********************************************************************* +/*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the name */ UNIV_INTERN @@ -1124,7 +1131,7 @@ trx_sys_file_format_id_to_name( return(file_format_name_map[id]); } -/********************************************************************* +/*****************************************************************//** Check for the max file format tag stored on disk. Note: If max_format_id is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. @return DB_SUCCESS or error code */ @@ -1178,7 +1185,7 @@ trx_sys_file_format_max_check( return(DB_SUCCESS); } -/********************************************************************* +/*****************************************************************//** Set the file format id unconditionally except if it's already the same value. @return TRUE if value updated */ @@ -1207,7 +1214,7 @@ trx_sys_file_format_max_set( return(ret); } -/************************************************************************ +/********************************************************************//** Tags the system table space with minimum format id if it has not been tagged yet. WARNING: This function is only called during the startup and AFTER the @@ -1227,7 +1234,7 @@ trx_sys_file_format_tag_init(void) } } -/************************************************************************ +/********************************************************************//** Update the file format tag in the system tablespace only if the given format id is greater than the known max id. @return TRUE if format_id was bigger than the known max id */ @@ -1256,7 +1263,7 @@ trx_sys_file_format_max_upgrade( return(ret); } -/********************************************************************* +/*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the max format name */ UNIV_INTERN @@ -1267,7 +1274,7 @@ trx_sys_file_format_max_get(void) return(file_format_max.name); } -/********************************************************************* +/*****************************************************************//** Initializes the tablespace tag system. */ UNIV_INTERN void @@ -1284,7 +1291,7 @@ trx_sys_file_format_init(void) file_format_max.id); } -/********************************************************************* +/*****************************************************************//** Closes the tablespace tag system. */ UNIV_INTERN void @@ -1294,7 +1301,7 @@ trx_sys_file_format_close(void) /* Does nothing at the moment */ } #else /* !UNIV_HOTBACKUP */ -/********************************************************************* +/*****************************************************************//** Prints to stderr the MySQL binlog info in the system header if the magic number shows it valid. */ UNIV_INTERN diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 0e922164712..4d4885062a6 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0trx.c The transaction Created 3/26/1996 Heikki Tuuri @@ -43,14 +44,14 @@ Created 3/26/1996 Heikki Tuuri #include "trx0xa.h" #include "ha_prototypes.h" -/* Dummy session used currently in MySQL interface */ +/** Dummy session used currently in MySQL interface */ UNIV_INTERN sess_t* trx_dummy_sess = NULL; -/* Number of transactions currently allocated for MySQL: protected by +/** Number of transactions currently allocated for MySQL: protected by the kernel mutex */ UNIV_INTERN ulint trx_n_mysql_transactions = 0; -/***************************************************************** +/*************************************************************//** Set detailed error message for the transaction. */ UNIV_INTERN void @@ -62,7 +63,7 @@ trx_set_detailed_error( ut_strlcpy(trx->detailed_error, msg, sizeof(trx->detailed_error)); } -/***************************************************************** +/*************************************************************//** Set detailed error message for the transaction from a file. Note that the file is rewinded before reading from it. */ UNIV_INTERN @@ -76,7 +77,7 @@ trx_set_detailed_error_from_file( sizeof(trx->detailed_error)); } -/******************************************************************** +/****************************************************************//** Creates and initializes a transaction object. @return own: the transaction */ UNIV_INTERN @@ -186,7 +187,7 @@ trx_create( return(trx); } -/************************************************************************ +/********************************************************************//** Creates a transaction object for MySQL. @return own: transaction object */ UNIV_INTERN @@ -213,7 +214,7 @@ trx_allocate_for_mysql(void) return(trx); } -/************************************************************************ +/********************************************************************//** Creates a transaction object for background operations by the master thread. @return own: transaction object */ UNIV_INTERN @@ -232,7 +233,7 @@ trx_allocate_for_background(void) return(trx); } -/************************************************************************ +/********************************************************************//** Releases the search latch if trx has reserved it. */ UNIV_INTERN void @@ -247,7 +248,7 @@ trx_search_latch_release_if_reserved( } } -/************************************************************************ +/********************************************************************//** Frees a transaction object. */ UNIV_INTERN void @@ -333,7 +334,7 @@ trx_free( mem_free(trx); } -/************************************************************************ +/********************************************************************//** Frees a transaction object for MySQL. */ UNIV_INTERN void @@ -354,7 +355,7 @@ trx_free_for_mysql( mutex_exit(&kernel_mutex); } -/************************************************************************ +/********************************************************************//** Frees a transaction object of a background operation of the master thread. */ UNIV_INTERN void @@ -369,7 +370,7 @@ trx_free_for_background( mutex_exit(&kernel_mutex); } -/******************************************************************** +/****************************************************************//** Inserts the trx handle in the trx system trx list in the right position. The list is sorted on the trx id so that the biggest id is at the list start. This function is used at the database startup to insert incomplete @@ -409,7 +410,7 @@ trx_list_insert_ordered( } } -/******************************************************************** +/****************************************************************//** Creates trx objects for transactions and initializes the trx list of trx_sys at database start. Rollback segment and undo log lists must already exist when this function is called, because the lists of @@ -597,7 +598,7 @@ trx_lists_init_at_db_start(void) } } -/********************************************************************** +/******************************************************************//** Assigns a rollback segment to a transaction in a round-robin fashion. Skips the SYSTEM rollback segment if another is available. @return assigned rollback segment id */ @@ -631,7 +632,7 @@ loop: return(rseg->id); } -/******************************************************************** +/****************************************************************//** Starts a new transaction. @return TRUE */ UNIV_INTERN @@ -682,7 +683,7 @@ trx_start_low( return(TRUE); } -/******************************************************************** +/****************************************************************//** Starts a new transaction. @return TRUE */ UNIV_INTERN @@ -713,7 +714,7 @@ trx_start( return(ret); } -/******************************************************************** +/****************************************************************//** Commits a transaction. */ UNIV_INTERN void @@ -946,7 +947,7 @@ trx_commit_off_kernel( UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); } -/******************************************************************** +/****************************************************************//** Cleans up a transaction at database startup. The cleanup is needed if the transaction already got to the middle of a commit when the database crashed, andf we cannot roll it back. */ @@ -969,7 +970,7 @@ trx_cleanup_at_db_startup( UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); } -/************************************************************************ +/********************************************************************//** Assigns a read view for a consistent read query. All the consistent reads within the same transaction will get the same read view, which is created when this function is first called for a new started transaction. @@ -999,7 +1000,7 @@ trx_assign_read_view( return(trx->read_view); } -/******************************************************************** +/****************************************************************//** Commits a transaction. NOTE that the kernel mutex is temporarily released. */ static void @@ -1043,7 +1044,7 @@ trx_handle_commit_sig_off_kernel( trx->que_state = TRX_QUE_RUNNING; } -/*************************************************************** +/***********************************************************//** The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to the TRX_QUE_RUNNING state and releases query threads which were waiting for a lock in the wait_thrs list. */ @@ -1071,7 +1072,7 @@ trx_end_lock_wait( trx->que_state = TRX_QUE_RUNNING; } -/*************************************************************** +/***********************************************************//** Moves the query threads in the lock wait list to the SUSPENDED state and puts the transaction to the TRX_QUE_RUNNING state. */ static @@ -1098,7 +1099,7 @@ trx_lock_wait_to_suspended( trx->que_state = TRX_QUE_RUNNING; } -/*************************************************************** +/***********************************************************//** Moves the query threads in the sig reply wait list of trx to the SUSPENDED state. */ static @@ -1129,7 +1130,7 @@ trx_sig_reply_wait_to_suspended( } } -/********************************************************************* +/*****************************************************************//** Checks the compatibility of a new signal with the other signals in the queue. @return TRUE if the signal can be queued */ @@ -1203,7 +1204,7 @@ trx_sig_is_compatible( } } -/******************************************************************** +/****************************************************************//** Sends a signal to a trx object. */ UNIV_INTERN void @@ -1287,7 +1288,7 @@ trx_sig_send( } } -/******************************************************************** +/****************************************************************//** Ends signal handling. If the session is in the error state, and trx->graph_before_signal_handling != NULL, then returns control to the error handling routine of the graph (currently just returns the control to the @@ -1311,7 +1312,7 @@ trx_end_signal_handling( } } -/******************************************************************** +/****************************************************************//** Starts handling of a trx signal. */ UNIV_INTERN void @@ -1416,7 +1417,7 @@ loop: goto loop; } -/******************************************************************** +/****************************************************************//** Send the reply message when a signal in the queue of the trx has been handled. */ UNIV_INTERN @@ -1451,7 +1452,7 @@ trx_sig_reply( } } -/******************************************************************** +/****************************************************************//** Removes a signal object from the trx signal queue. */ UNIV_INTERN void @@ -1473,7 +1474,7 @@ trx_sig_remove( } } -/************************************************************************* +/*********************************************************************//** Creates a commit command node struct. @return own: commit node struct */ UNIV_INTERN @@ -1491,7 +1492,7 @@ commit_node_create( return(node); } -/*************************************************************** +/***********************************************************//** Performs an execution step for a commit type node in a query graph. @return query thread to run next, or NULL */ UNIV_INTERN @@ -1539,7 +1540,7 @@ trx_commit_step( return(thr); } -/************************************************************************** +/**********************************************************************//** Does the transaction commit for MySQL. @return DB_SUCCESS or error number */ UNIV_INTERN @@ -1569,7 +1570,7 @@ trx_commit_for_mysql( return(DB_SUCCESS); } -/************************************************************************** +/**********************************************************************//** If required, flushes the log to disk if we called trx_commit_for_mysql() with trx->flush_log_later == TRUE. @return 0 or error number */ @@ -1616,7 +1617,7 @@ trx_commit_complete_for_mysql( return(0); } -/************************************************************************** +/**********************************************************************//** Marks the latest SQL statement ended. */ UNIV_INTERN void @@ -1633,7 +1634,7 @@ trx_mark_sql_stat_end( trx->last_sql_stat_start.least_undo_no = trx->undo_no; } -/************************************************************************** +/**********************************************************************//** Prints info about a transaction to the given file. The caller must own the kernel mutex and must have called innobase_mysql_prepare_print_arbitrary_thd(), unless he knows that MySQL @@ -1748,7 +1749,7 @@ trx_print( } } -/*********************************************************************** +/*******************************************************************//** Compares the "weight" (or size) of two transactions. Transactions that have edited non-transactional tables are considered heavier than ones that have not. @@ -1799,7 +1800,7 @@ trx_weight_cmp( return(ut_dulint_cmp(TRX_WEIGHT(a), TRX_WEIGHT(b))); } -/******************************************************************** +/****************************************************************//** Prepares a transaction. */ UNIV_INTERN void @@ -1909,7 +1910,7 @@ trx_prepare_off_kernel( } } -/************************************************************************** +/**********************************************************************//** Does the transaction prepare for MySQL. @return 0 or error number */ UNIV_INTERN @@ -1939,7 +1940,7 @@ trx_prepare_for_mysql( return(0); } -/************************************************************************** +/**********************************************************************//** This function is used to find number of prepared transactions and their transaction objects for a recovery. @return number of prepared transactions stored in xid_list */ @@ -2010,7 +2011,7 @@ trx_recover_for_mysql( return ((int) count); } -/*********************************************************************** +/*******************************************************************//** This function is used to find one X/Open XA distributed transaction which is in the prepared state @return trx or NULL */ diff --git a/trx/trx0undo.c b/trx/trx0undo.c index e20ee446145..b04a4070aea 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file trx/trx0undo.c Transaction undo log Created 3/26/1996 Heikki Tuuri @@ -93,7 +94,7 @@ s-latches on the undo log pages are enough, but in a truncate, x-latches must be obtained on the rollback segment and individual pages. */ #endif /* !UNIV_HOTBACKUP */ -/************************************************************************ +/********************************************************************//** Initializes the fields in an undo log segment page. */ static void @@ -104,7 +105,7 @@ trx_undo_page_init( mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Creates and initializes an undo log memory object. @return own: the undo log memory object */ static @@ -121,7 +122,7 @@ trx_undo_mem_create( ulint page_no,/*!< in: undo log header page number */ ulint offset);/*!< in: undo log header byte offset on page */ #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Initializes a cached insert undo log header page for new use. NOTE that this function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change the operation of this function! @@ -134,7 +135,7 @@ trx_undo_insert_header_reuse( header page, x-latched */ trx_id_t trx_id, /*!< in: transaction id */ mtr_t* mtr); /*!< in: mtr */ -/************************************************************************** +/**********************************************************************//** If an update undo log can be discarded immediately, this function frees the space, resetting the page to the proper state for caching. */ static @@ -145,7 +146,7 @@ trx_undo_discard_latest_update_undo( mtr_t* mtr); /*!< in: mtr */ #ifndef UNIV_HOTBACKUP -/*************************************************************************** +/***********************************************************************//** Gets the previous record in an undo log from the previous page. @return undo log record, the page s-latched, NULL if none */ static @@ -183,7 +184,7 @@ trx_undo_get_prev_rec_from_prev_page( return(trx_undo_page_get_last_rec(prev_page, page_no, offset)); } -/*************************************************************************** +/***********************************************************************//** Gets the previous record in an undo log. @return undo log record, the page s-latched, NULL if none */ UNIV_INTERN @@ -211,7 +212,7 @@ trx_undo_get_prev_rec( mtr)); } -/*************************************************************************** +/***********************************************************************//** Gets the next record in an undo log from the next page. @return undo log record, the page latched, NULL if none */ static @@ -263,7 +264,7 @@ trx_undo_get_next_rec_from_next_page( return(trx_undo_page_get_first_rec(next_page, page_no, offset)); } -/*************************************************************************** +/***********************************************************************//** Gets the next record in an undo log. @return undo log record, the page s-latched, NULL if none */ UNIV_INTERN @@ -294,7 +295,7 @@ trx_undo_get_next_rec( RW_S_LATCH, mtr)); } -/*************************************************************************** +/***********************************************************************//** Gets the first record in an undo log. @return undo log record, the page latched, NULL if none */ UNIV_INTERN @@ -332,7 +333,7 @@ trx_undo_get_first_rec( /*============== UNDO LOG FILE COPY CREATION AND FREEING ==================*/ -/************************************************************************** +/**********************************************************************//** Writes the mtr log entry of an undo log page initialization. */ UNIV_INLINE void @@ -350,7 +351,7 @@ trx_undo_page_init_log( # define trx_undo_page_init_log(undo_page,type,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page initialization. @return end of log record or NULL */ UNIV_INTERN @@ -378,7 +379,7 @@ trx_undo_parse_page_init( return(ptr); } -/************************************************************************ +/********************************************************************//** Initializes the fields in an undo log segment page. */ static void @@ -405,9 +406,10 @@ trx_undo_page_init( } #ifndef UNIV_HOTBACKUP -/******************************************************************* +/***************************************************************//** Creates a new undo log segment in file. -@return DB_SUCCESS if page creation OK possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE */ +@return DB_SUCCESS if page creation OK possible error codes are: +DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE */ static ulint trx_undo_seg_create( @@ -500,7 +502,7 @@ trx_undo_seg_create( return(err); } -/************************************************************************** +/**********************************************************************//** Writes the mtr log entry of an undo log header initialization. */ UNIV_INLINE void @@ -518,7 +520,7 @@ trx_undo_header_create_log( # define trx_undo_header_create_log(undo_page,trx_id,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/******************************************************************* +/***************************************************************//** Creates a new undo log header in file. NOTE that this function has its own log record type MLOG_UNDO_HDR_CREATE. You must NOT change the operation of this function! @@ -592,7 +594,7 @@ trx_undo_header_create( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Write X/Open XA Transaction Identification (XID) to undo log header */ static void @@ -615,7 +617,7 @@ trx_undo_write_xid( XIDDATASIZE, mtr); } -/************************************************************************ +/********************************************************************//** Read X/Open XA Transaction Identification (XID) from undo log header */ static void @@ -634,7 +636,7 @@ trx_undo_read_xid( memcpy(xid->data, log_hdr + TRX_UNDO_XA_XID, XIDDATASIZE); } -/******************************************************************* +/***************************************************************//** Adds space for the XA XID after an undo log old-style header. */ static void @@ -672,7 +674,7 @@ trx_undo_header_add_space_for_xid( MLOG_2BYTES, mtr); } -/************************************************************************** +/**********************************************************************//** Writes the mtr log entry of an undo log header reuse. */ UNIV_INLINE void @@ -690,7 +692,7 @@ trx_undo_insert_header_reuse_log( # define trx_undo_insert_header_reuse_log(undo_page,trx_id,mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page header create or reuse. @return end of log record or NULL */ UNIV_INTERN @@ -724,7 +726,7 @@ trx_undo_parse_page_header( return(ptr); } -/******************************************************************* +/***************************************************************//** Initializes a cached insert undo log header page for new use. NOTE that this function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change the operation of this function! @@ -785,7 +787,7 @@ trx_undo_insert_header_reuse( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Writes the redo log entry of an update undo log header discard. */ UNIV_INLINE void @@ -800,7 +802,7 @@ trx_undo_discard_latest_log( # define trx_undo_discard_latest_log(undo_page, mtr) ((void) 0) #endif /* !UNIV_HOTBACKUP */ -/*************************************************************** +/***********************************************************//** Parses the redo log entry of an undo log page header discard. @return end of log record or NULL */ UNIV_INTERN @@ -821,7 +823,7 @@ trx_undo_parse_discard_latest( return(ptr); } -/************************************************************************** +/**********************************************************************//** If an update undo log can be discarded immediately, this function frees the space, resetting the page to the proper state for caching. */ static @@ -864,7 +866,7 @@ trx_undo_discard_latest_update_undo( } #ifndef UNIV_HOTBACKUP -/************************************************************************ +/********************************************************************//** Tries to add a page to the undo log segment where the undo log is placed. @return page number if success, else FIL_NULL */ UNIV_INTERN @@ -934,7 +936,7 @@ trx_undo_add_page( return(page_no); } -/************************************************************************ +/********************************************************************//** Frees an undo log page that is not the header page. @return last page number in remaining log */ static @@ -993,7 +995,7 @@ trx_undo_free_page( return(last_addr.page); } -/************************************************************************ +/********************************************************************//** Frees an undo log page when there is also the memory object for the undo log. */ static @@ -1020,7 +1022,7 @@ trx_undo_free_page_in_rollback( undo->size--; } -/************************************************************************ +/********************************************************************//** Empties an undo log header page of undo records for that undo log. Other undo logs may still have records on that page, if it is an update undo log. */ static @@ -1047,7 +1049,7 @@ trx_undo_empty_header_page( mlog_write_ulint(log_hdr + TRX_UNDO_LOG_START, end, MLOG_2BYTES, mtr); } -/*************************************************************************** +/***********************************************************************//** Truncates an undo log from the end. This function is used during a rollback to free space from an undo log. */ UNIV_INTERN @@ -1122,7 +1124,7 @@ function_exit: mtr_commit(&mtr); } -/*************************************************************************** +/***********************************************************************//** Truncates an undo log from the start. This function is used during a purge operation. */ UNIV_INTERN @@ -1194,7 +1196,7 @@ loop: goto loop; } -/************************************************************************** +/**********************************************************************//** Frees an undo log segment which is not in the history list. */ static void @@ -1243,7 +1245,7 @@ trx_undo_seg_free( /*========== UNDO LOG MEMORY COPY INITIALIZATION =====================*/ -/************************************************************************ +/********************************************************************//** Creates and initializes an undo log memory object according to the values in the header in file, when the database is started. The memory object is inserted in the appropriate list of rseg. @@ -1367,7 +1369,7 @@ add_to_list: return(undo); } -/************************************************************************ +/********************************************************************//** Initializes the undo log lists for a rollback segment memory copy. This function is only called when the database is started or a new rollback segment is created. @@ -1425,7 +1427,7 @@ trx_undo_lists_init( return(size); } -/************************************************************************ +/********************************************************************//** Creates and initializes an undo log memory object. @return own: the undo log memory object */ static @@ -1484,7 +1486,7 @@ trx_undo_mem_create( return(undo); } -/************************************************************************ +/********************************************************************//** Initializes a cached undo log object for new use. */ static void @@ -1517,7 +1519,7 @@ trx_undo_mem_init_for_reuse( undo->empty = TRUE; } -/************************************************************************ +/********************************************************************//** Frees an undo log memory copy. */ static void @@ -1534,9 +1536,11 @@ trx_undo_mem_free( mem_free(undo); } -/************************************************************************** +/**********************************************************************//** Creates a new undo log. -@return DB_SUCCESS if successful in creating the new undo lob object, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ +@return DB_SUCCESS if successful in creating the new undo lob object, +possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS +DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ static ulint trx_undo_create( @@ -1603,7 +1607,7 @@ trx_undo_create( /*================ UNDO LOG ASSIGNMENT AND CLEANUP =====================*/ -/************************************************************************ +/********************************************************************//** Reuses a cached undo log. @return the undo log memory object, NULL if none cached */ static @@ -1683,7 +1687,7 @@ trx_undo_reuse_cached( return(undo); } -/************************************************************************** +/**********************************************************************//** Marks an undo log header as a header of a data dictionary operation transaction. */ static @@ -1721,10 +1725,12 @@ trx_undo_mark_as_dict_operation( undo->dict_operation = TRUE; } -/************************************************************************** +/**********************************************************************//** Assigns an undo log for a transaction. A new undo log is created or a cached undo log reused. -@return DB_SUCCESS if undo log assign successful, possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ +@return DB_SUCCESS if undo log assign successful, possible error codes +are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE +DB_OUT_OF_MEMORY */ UNIV_INTERN ulint trx_undo_assign_undo( @@ -1782,7 +1788,7 @@ func_exit: return err; } -/********************************************************************** +/******************************************************************//** Sets the state of the undo log segment at a transaction finish. @return undo log segment header page, x-latched */ UNIV_INTERN @@ -1849,7 +1855,7 @@ trx_undo_set_state_at_finish( return(undo_page); } -/********************************************************************** +/******************************************************************//** Sets the state of the undo log segment at a transaction prepare. @return undo log segment header page, x-latched */ UNIV_INTERN @@ -1900,7 +1906,7 @@ trx_undo_set_state_at_prepare( return(undo_page); } -/************************************************************************** +/**********************************************************************//** Adds the update undo log header as the first in the history list, and frees the memory object, or puts it to the list of cached update undo log segments. */ @@ -1937,7 +1943,7 @@ trx_undo_update_cleanup( } } -/********************************************************************** +/******************************************************************//** Frees or caches an insert undo log after a transaction commit or rollback. Knowledge of inserts is not needed after a commit or rollback, therefore the data can be discarded. */ diff --git a/usr/usr0sess.c b/usr/usr0sess.c index a7f5cf99d0e..990991a2c06 100644 --- a/usr/usr0sess.c +++ b/usr/usr0sess.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/****************************************************** +/**************************************************//** +@file usr/usr0sess.c Sessions Created 6/25/1996 Heikki Tuuri @@ -30,7 +31,7 @@ Created 6/25/1996 Heikki Tuuri #include "trx0trx.h" -/************************************************************************* +/*********************************************************************//** Closes a session, freeing the memory occupied by it. */ static void @@ -38,7 +39,7 @@ sess_close( /*=======*/ sess_t* sess); /*!< in, own: session object */ -/************************************************************************* +/*********************************************************************//** Opens a session. @return own: session object */ UNIV_INTERN @@ -61,7 +62,7 @@ sess_open(void) return(sess); } -/************************************************************************* +/*********************************************************************//** Closes a session, freeing the memory occupied by it. */ static void @@ -75,7 +76,7 @@ sess_close( mem_free(sess); } -/************************************************************************* +/*********************************************************************//** Closes a session, freeing the memory occupied by it, if it is in a state where it should be closed. @return TRUE if closed */ diff --git a/ut/ut0byte.c b/ut/ut0byte.c index 29183f30761..4e093f72ce2 100644 --- a/ut/ut0byte.c +++ b/ut/ut0byte.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************************* +/***************************************************************//** +@file ut/ut0byte.c Byte utilities Created 5/11/1994 Heikki Tuuri @@ -28,16 +29,16 @@ Created 5/11/1994 Heikki Tuuri #include "ut0byte.ic" #endif -/* Zero value for a dulint */ +/** Zero value for a dulint */ UNIV_INTERN const dulint ut_dulint_zero = {0, 0}; -/* Maximum value for a dulint */ +/** Maximum value for a dulint */ UNIV_INTERN const dulint ut_dulint_max = {0xFFFFFFFFUL, 0xFFFFFFFFUL}; #ifdef notdefined /* unused code */ #include "ut0sort.h" -/**************************************************************** +/************************************************************//** Sort function for dulint arrays. */ UNIV_INTERN void diff --git a/ut/ut0dbg.c b/ut/ut0dbg.c index e2e94f21ab1..4484e6c36de 100644 --- a/ut/ut0dbg.c +++ b/ut/ut0dbg.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/********************************************************************* +/*****************************************************************//** +@file ut/ut0dbg.c Debug utilities for Innobase. Created 1/30/1994 Heikki Tuuri @@ -27,26 +28,26 @@ Created 1/30/1994 Heikki Tuuri #if defined(__GNUC__) && (__GNUC__ > 2) #else -/* This is used to eliminate compiler warnings */ +/** This is used to eliminate compiler warnings */ UNIV_INTERN ulint ut_dbg_zero = 0; #endif #if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/* If this is set to TRUE all threads will stop into the next assertion -and assert */ +/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads +will stop at the next ut_a() or ut_ad(). */ UNIV_INTERN ibool ut_dbg_stop_threads = FALSE; #endif #ifdef __NETWARE__ -/* This is set to TRUE when on NetWare there happens an InnoDB -assertion failure or other fatal error condition that requires an -immediate shutdown. */ +/** Flag for ignoring further assertion failures. This is set to TRUE +when on NetWare there happens an InnoDB assertion failure or other +fatal error condition that requires an immediate shutdown. */ UNIV_INTERN ibool panic_shutdown = FALSE; #elif !defined(UT_DBG_USE_ABORT) -/* Null pointer used to generate memory trap */ +/** A null pointer that will be dereferenced to trigger a memory trap */ UNIV_INTERN ulint* ut_dbg_null_ptr = NULL; #endif -/***************************************************************** +/*************************************************************//** Report a failed assertion. */ UNIV_INTERN void @@ -86,7 +87,7 @@ ut_dbg_assertion_failed( } #ifdef __NETWARE__ -/***************************************************************** +/*************************************************************//** Shut down MySQL/InnoDB after assertion failure. */ UNIV_INTERN void @@ -101,7 +102,7 @@ ut_dbg_panic(void) } #else /* __NETWARE__ */ # if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/***************************************************************** +/*************************************************************//** Stop a thread after assertion failure. */ UNIV_INTERN void @@ -139,7 +140,7 @@ ut_dbg_stop_thread( } while (0) #endif /* timersub */ -/*********************************************************************** +/*******************************************************************//** Resets a speedo (records the current time in it). */ UNIV_INTERN void @@ -152,7 +153,7 @@ speedo_reset( getrusage(RUSAGE_SELF, &speedo->ru); } -/*********************************************************************** +/*******************************************************************//** Shows the time elapsed and usage statistics since the last reset of a speedo. */ UNIV_INTERN diff --git a/ut/ut0list.c b/ut/ut0list.c index 47e48289360..895a575c535 100644 --- a/ut/ut0list.c +++ b/ut/ut0list.c @@ -16,12 +16,19 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*******************************************************************//** +@file ut/ut0list.c +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + #include "ut0list.h" #ifdef UNIV_NONINL #include "ut0list.ic" #endif -/******************************************************************** +/****************************************************************//** Create a new list. @return list */ UNIV_INTERN @@ -38,7 +45,7 @@ ib_list_create(void) return(list); } -/******************************************************************** +/****************************************************************//** Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for lists created with this function. @return list */ @@ -57,7 +64,7 @@ ib_list_create_heap( return(list); } -/******************************************************************** +/****************************************************************//** Free a list. */ UNIV_INTERN void @@ -74,7 +81,7 @@ ib_list_free( mem_free(list); } -/******************************************************************** +/****************************************************************//** Add the data to the start of the list. @return new list node */ UNIV_INTERN @@ -88,7 +95,7 @@ ib_list_add_first( return(ib_list_add_after(list, ib_list_get_first(list), data, heap)); } -/******************************************************************** +/****************************************************************//** Add the data to the end of the list. @return new list node */ UNIV_INTERN @@ -102,7 +109,7 @@ ib_list_add_last( return(ib_list_add_after(list, ib_list_get_last(list), data, heap)); } -/******************************************************************** +/****************************************************************//** Add the data after the indicated node. @return new list node */ UNIV_INTERN @@ -156,7 +163,7 @@ ib_list_add_after( return(node); } -/******************************************************************** +/****************************************************************//** Remove the node from the list. */ UNIV_INTERN void diff --git a/ut/ut0mem.c b/ut/ut0mem.c index 1e24063aca6..7ed43d32fe0 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/************************************************************************ +/********************************************************************//** +@file ut/ut0mem.c Memory primitives Created 5/11/1994 Heikki Tuuri @@ -34,35 +35,41 @@ Created 5/11/1994 Heikki Tuuri #include -/* This struct is placed first in every allocated memory block */ +/** This struct is placed first in every allocated memory block */ typedef struct ut_mem_block_struct ut_mem_block_t; -/* The total amount of memory currently allocated from the operating +/** The total amount of memory currently allocated from the operating system with os_mem_alloc_large() or malloc(). Does not count malloc() if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ UNIV_INTERN ulint ut_total_allocated_memory = 0; -/* Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ UNIV_INTERN os_fast_mutex_t ut_list_mutex; +/** Dynamically allocated memory block */ struct ut_mem_block_struct{ UT_LIST_NODE_T(ut_mem_block_t) mem_block_list; - /* mem block list node */ - ulint size; /* size of allocated memory */ - ulint magic_n; + /*!< mem block list node */ + ulint size; /*!< size of allocated memory */ + ulint magic_n;/*!< magic number (UT_MEM_MAGIC_N) */ }; +/** The value of ut_mem_block_struct::magic_n. Used in detecting +memory corruption. */ #define UT_MEM_MAGIC_N 1601650166 -/* List of all memory blocks allocated from the operating system +/** List of all memory blocks allocated from the operating system with malloc. Protected by ut_list_mutex. */ static UT_LIST_BASE_NODE_T(ut_mem_block_t) ut_mem_block_list; +/** Flag: has ut_mem_block_list been initialized? */ static ibool ut_mem_block_list_inited = FALSE; +/** A dummy pointer for generating a null pointer exception in +ut_malloc_low() */ static ulint* ut_mem_null_ptr = NULL; -/************************************************************************** +/**********************************************************************//** Initializes the mem block list at database startup. */ UNIV_INTERN void @@ -76,7 +83,7 @@ ut_mem_init(void) } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is defined and set_to_zero is TRUE. @return own: allocated memory */ @@ -223,7 +230,7 @@ retry: #endif /* !UNIV_HOTBACKUP */ } -/************************************************************************** +/**********************************************************************//** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is defined. @return own: allocated memory */ @@ -241,7 +248,7 @@ ut_malloc( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to stderr a message if fails. @@ -282,7 +289,7 @@ ut_test_malloc( } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Frees a memory block allocated with ut_malloc. */ UNIV_INTERN void @@ -317,7 +324,7 @@ ut_free( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not use this function because the allocation functions in mem0mem.h are the recommended ones in InnoDB. @@ -396,7 +403,7 @@ ut_realloc( return(new_ptr); } -/************************************************************************** +/**********************************************************************//** Frees in shutdown all allocated memory not freed yet. */ UNIV_INTERN void @@ -429,7 +436,7 @@ ut_free_all_mem(void) } #endif /* !UNIV_HOTBACKUP */ -/************************************************************************** +/**********************************************************************//** Copies up to size - 1 characters from the NUL-terminated string src to dst, NUL-terminating the result. Returns strlen(src), so truncation occurred if the return value >= size. @@ -454,7 +461,7 @@ ut_strlcpy( return(src_size); } -/************************************************************************** +/**********************************************************************//** Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last (size - 1) bytes of src, not the first. @return strlen(src) */ @@ -477,7 +484,7 @@ ut_strlcpy_rev( return(src_size); } -/************************************************************************** +/**********************************************************************//** Make a quoted copy of a NUL-terminated string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. See also ut_strlenq() and ut_memcpyq(). @@ -499,7 +506,7 @@ ut_strcpyq( return(dest); } -/************************************************************************** +/**********************************************************************//** Make a quoted copy of a fixed-length string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. See also ut_strlenq() and ut_strcpyq(). @@ -525,7 +532,7 @@ ut_memcpyq( } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Return the number of times s2 occurs in s1. Overlapping instances of s2 are only counted once. @return the number of times s2 occurs in s1 */ @@ -559,7 +566,7 @@ ut_strcount( return(count); } -/************************************************************************** +/**********************************************************************//** Replace every occurrence of s1 in str with s2. Overlapping instances of s1 are only replaced once. @return own: modified string, must be freed with mem_free() */ diff --git a/ut/ut0rnd.c b/ut/ut0rnd.c index c57923748d8..cefd0990ecc 100644 --- a/ut/ut0rnd.c +++ b/ut/ut0rnd.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************************* +/***************************************************************//** +@file ut/ut0rnd.c Random numbers and hashing Created 5/11/1994 Heikki Tuuri @@ -28,15 +29,17 @@ Created 5/11/1994 Heikki Tuuri #include "ut0rnd.ic" #endif -/* These random numbers are used in ut_find_prime */ +/** These random numbers are used in ut_find_prime */ +/*@{*/ #define UT_RANDOM_1 1.0412321 #define UT_RANDOM_2 1.1131347 #define UT_RANDOM_3 1.0132677 +/*@}*/ - +/** Seed value of ut_rnd_gen_ulint(). */ UNIV_INTERN ulint ut_rnd_ulint_counter = 65654363; -/*************************************************************** +/***********************************************************//** Looks for a prime number slightly greater than the given argument. The prime is chosen so that it is not near any power of 2. @return prime */ diff --git a/ut/ut0ut.c b/ut/ut0ut.c index c474aa80019..c0ea362bee3 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/******************************************************************* +/***************************************************************//** +@file ut/ut0ut.c Various utilities for Innobase. Created 5/11/1994 Heikki Tuuri @@ -38,17 +39,18 @@ Created 5/11/1994 Heikki Tuuri # include "mysql_com.h" /* NAME_LEN */ #endif /* UNIV_HOTBACKUP */ +/** A constant to prevent the compiler from optimizing ut_delay() away. */ UNIV_INTERN ibool ut_always_false = FALSE; #ifdef __WIN__ -/********************************************************************* +/*****************************************************************//** NOTE: The Windows epoch starts from 1601/01/01 whereas the Unix epoch starts from 1970/1/1. For selection of constant see: http://support.microsoft.com/kb/167296/ */ #define WIN_TO_UNIX_DELTA_USEC ((ib_int64_t) 11644473600000000ULL) -/********************************************************************* +/*****************************************************************//** This is the Windows version of gettimeofday(2). @return 0 if all OK else -1 */ static @@ -86,10 +88,12 @@ ut_gettimeofday( return(0); } #else +/** An alias for gettimeofday(2). On Microsoft Windows, we have to +reimplement this function. */ #define ut_gettimeofday gettimeofday #endif -/************************************************************ +/********************************************************//** Gets the high 32 bits in a ulint. That is makes a shift >> 32, but since there seem to be compiler bugs in both gcc and Visual C++, we do this by a special conversion. @@ -109,7 +113,7 @@ ut_get_high32( return((ulint)i); } -/************************************************************** +/**********************************************************//** Returns system time. We do not specify the format of the time returned: the only way to manipulate it is to use the function ut_difftime. @return system time */ @@ -121,7 +125,7 @@ ut_time(void) return(time(NULL)); } -/************************************************************** +/**********************************************************//** Returns system time. Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the @@ -163,7 +167,7 @@ ut_usectime( return(ret); } -/************************************************************** +/**********************************************************//** Returns the number of microseconds since epoch. Similar to time(3), the return value is also stored in *tloc, provided that tloc is non-NULL. @@ -188,7 +192,7 @@ ut_time_us( return(us); } -/************************************************************** +/**********************************************************//** Returns the difference of two times in seconds. @return time2 - time1 expressed in seconds */ UNIV_INTERN @@ -201,7 +205,7 @@ ut_difftime( return(difftime(time2, time1)); } -/************************************************************** +/**********************************************************//** Prints a timestamp to a file. */ UNIV_INTERN void @@ -244,7 +248,7 @@ ut_print_timestamp( #endif } -/************************************************************** +/**********************************************************//** Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ UNIV_INTERN void @@ -288,7 +292,7 @@ ut_sprintf_timestamp( } #ifdef UNIV_HOTBACKUP -/************************************************************** +/**********************************************************//** Sprintfs a timestamp to a buffer with no spaces and with ':' characters replaced by '_'. */ UNIV_INTERN @@ -332,7 +336,7 @@ ut_sprintf_timestamp_without_extra_chars( #endif } -/************************************************************** +/**********************************************************//** Returns current year, month, day. */ UNIV_INTERN void @@ -371,7 +375,7 @@ ut_get_year_month_day( #endif /* UNIV_HOTBACKUP */ #ifndef UNIV_HOTBACKUP -/***************************************************************** +/*************************************************************//** Runs an idle loop on CPU. The argument gives the desired delay in microseconds on 100 MHz Pentium + Visual C++. @return dummy value */ @@ -397,7 +401,7 @@ ut_delay( } #endif /* !UNIV_HOTBACKUP */ -/***************************************************************** +/*************************************************************//** Prints the contents of a memory buffer in hex and ascii. */ UNIV_INTERN void @@ -430,7 +434,7 @@ ut_print_buf( putc(';', file); } -/***************************************************************** +/*************************************************************//** Calculates fast the number rounded up to the nearest power of 2. @return first power of 2 which is >= n */ UNIV_INTERN @@ -452,7 +456,7 @@ ut_2_power_up( return(res); } -/************************************************************************** +/**********************************************************************//** Outputs a NUL-terminated file name, quoted with apostrophes. */ UNIV_INTERN void @@ -478,7 +482,7 @@ done: putc('\'', f); } #ifndef UNIV_HOTBACKUP -/************************************************************************** +/**********************************************************************//** Outputs a fixed-length string, quoted as an SQL identifier. If the string contains a slash '/', the string will be output as two identifiers separated by a period (.), @@ -496,7 +500,7 @@ ut_print_name( ut_print_namel(f, trx, table_id, name, strlen(name)); } -/************************************************************************** +/**********************************************************************//** Outputs a fixed-length string, quoted as an SQL identifier. If the string contains a slash '/', the string will be output as two identifiers separated by a period (.), @@ -525,7 +529,7 @@ ut_print_namel( fwrite(buf, 1, bufend - buf, f); } -/************************************************************************** +/**********************************************************************//** Catenate files. */ UNIV_INTERN void @@ -554,10 +558,11 @@ ut_copy_file( #ifdef __WIN__ # include -/************************************************************************** +/**********************************************************************//** A substitute for snprintf(3), formatted output conversion into a limited buffer. -@return number of characters that would have been printed if the size were unlimited, not including the terminating '\0'. */ +@return number of characters that would have been printed if the size +were unlimited, not including the terminating '\0'. */ UNIV_INTERN int ut_snprintf( diff --git a/ut/ut0vec.c b/ut/ut0vec.c index 884b0a17b22..45f2bc9771f 100644 --- a/ut/ut0vec.c +++ b/ut/ut0vec.c @@ -16,13 +16,20 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*******************************************************************//** +@file ut/ut0vec.c +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + #include "ut0vec.h" #ifdef UNIV_NONINL #include "ut0vec.ic" #endif #include -/******************************************************************** +/****************************************************************//** Create a new vector with the given initial size. @return vector */ UNIV_INTERN @@ -46,7 +53,7 @@ ib_vector_create( return(vec); } -/******************************************************************** +/****************************************************************//** Push a new element to the vector, increasing its size if necessary. */ UNIV_INTERN void diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index bcc03b7209d..5220d1e17f4 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -18,7 +18,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA #include "ut0wqueue.h" -/******************************************************************** +/*******************************************************************//** +@file ut/ut0wqueue.c +A work queue + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** Create a new work queue. @return work queue */ UNIV_INTERN @@ -36,7 +43,7 @@ ib_wqueue_create(void) return(wq); } -/******************************************************************** +/****************************************************************//** Free a work queue. */ UNIV_INTERN void @@ -53,7 +60,7 @@ ib_wqueue_free( mem_free(wq); } -/******************************************************************** +/****************************************************************//** Add a work item to the queue. */ UNIV_INTERN void @@ -72,7 +79,7 @@ ib_wqueue_add( mutex_exit(&wq->mutex); } -/******************************************************************** +/****************************************************************//** Wait for a work item to appear in the queue. @return work item */ UNIV_INTERN From 0c990811dee00ace58d1436436db4832859d5ab5 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Tue, 21 Jul 2009 00:09:29 +0000 Subject: [PATCH 140/400] branches/innodb+: Merge revisions 5144:5524 from branches/zip ------------------------------------------------------------------------ r5147 | marko | 2009-05-27 06:55:14 -0400 (Wed, 27 May 2009) | 1 line branches/zip: ibuf0ibuf.c: Improve a comment. ------------------------------------------------------------------------ r5149 | marko | 2009-05-27 07:46:42 -0400 (Wed, 27 May 2009) | 34 lines branches/zip: Merge revisions 4994:5148 from branches/5.1: ------------------------------------------------------------------------ r5126 | vasil | 2009-05-26 16:57:12 +0300 (Tue, 26 May 2009) | 9 lines branches/5.1: Preparation for the fix of Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages Non-functional change: move FSP_* macros from fsp0fsp.h to a new file fsp0types.h. This is needed in order to be able to use FSP_EXTENT_SIZE in mtr0log.ic. ------------------------------------------------------------------------ r5127 | vasil | 2009-05-26 17:05:43 +0300 (Tue, 26 May 2009) | 9 lines branches/5.1: Preparation for the fix of Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages Do not include unnecessary headers mtr0log.h and fut0lst.h in trx0sys.h and include fsp0fsp.h just before it is needed. This is needed in order to be able to use TRX_SYS_SPACE in mtr0log.ic. ------------------------------------------------------------------------ r5128 | vasil | 2009-05-26 17:26:37 +0300 (Tue, 26 May 2009) | 7 lines branches/5.1: Fix Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages Do not write redo log for the pages in the doublewrite buffer. Also, do not make a dummy change to the page because this is not needed. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5169 | marko | 2009-05-28 03:21:55 -0400 (Thu, 28 May 2009) | 1 line branches/zip: mtr0mtr.h: Add Doxygen comments for the redo log entry types. ------------------------------------------------------------------------ r5176 | marko | 2009-05-28 07:14:02 -0400 (Thu, 28 May 2009) | 1 line branches/zip: Correct a debug assertion that was added in r5125. ------------------------------------------------------------------------ r5201 | marko | 2009-06-01 06:35:25 -0400 (Mon, 01 Jun 2009) | 2 lines branches/zip: Clean up some comments. Make the rec parameter of mlog_open_and_write_index() const. ------------------------------------------------------------------------ r5234 | marko | 2009-06-03 08:26:41 -0400 (Wed, 03 Jun 2009) | 44 lines branches/zip: Merge revisions 5148:5233 from branches/5.1: ------------------------------------------------------------------------ r5150 | vasil | 2009-05-27 18:56:03 +0300 (Wed, 27 May 2009) | 4 lines branches/5.1: Whitespace fixup. ------------------------------------------------------------------------ r5191 | vasil | 2009-05-30 17:46:05 +0300 (Sat, 30 May 2009) | 19 lines branches/5.1: Merge a change from MySQL (this fixes the failing innodb_mysql test): ------------------------------------------------------------ revno: 1810.3894.10 committer: Sergey Glukhov branch nick: mysql-5.0-bugteam timestamp: Tue 2009-05-19 11:32:21 +0500 message: Bug#39793 Foreign keys not constructed when column has a '#' in a comment or default value Internal InnoDN FK parser does not recognize '\'' as quotation symbol. Suggested fix is to add '\'' symbol check for quotation condition (dict_strip_comments() function). modified: innobase/dict/dict0dict.c mysql-test/r/innodb_mysql.result mysql-test/t/innodb_mysql.test ------------------------------------------------------------------------ r5233 | marko | 2009-06-03 15:12:44 +0300 (Wed, 03 Jun 2009) | 11 lines branches/5.1: Merge the test case from r5232 from branches/5.0: ------------------------------------------------------------------------ r5232 | marko | 2009-06-03 14:31:04 +0300 (Wed, 03 Jun 2009) | 21 lines branches/5.0: Merge r3590 from branches/5.1 in order to fix Bug #40565 (Update Query Results in "1 Row Affected" But Should Be "Zero Rows"). Also, add a test case for Bug #40565. rb://128 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5250 | marko | 2009-06-04 02:58:23 -0400 (Thu, 04 Jun 2009) | 1 line branches/zip: Add Doxygen comments to the rest of buf0*. ------------------------------------------------------------------------ r5251 | marko | 2009-06-04 02:59:51 -0400 (Thu, 04 Jun 2009) | 1 line branches/zip: Replace <= in a function comment. ------------------------------------------------------------------------ r5253 | marko | 2009-06-04 06:37:35 -0400 (Thu, 04 Jun 2009) | 1 line branches/zip: Add missing Doxygen comments for page0zip. ------------------------------------------------------------------------ r5261 | vasil | 2009-06-05 11:13:31 -0400 (Fri, 05 Jun 2009) | 15 lines branches/zip: Fix Mantis Issue#244 fix bug in linear read ahead (no check on access pattern) The changes are: 1) Take into account access pattern when deciding whether or not to do linear read ahead. 2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), dynamic, global to control linear read ahead behvior 3) Disable random read ahead. Keep the code for now. Submitted by: Inaam (rb://122) Approved by: Heikki (rb://122) ------------------------------------------------------------------------ r5262 | vasil | 2009-06-05 12:04:25 -0400 (Fri, 05 Jun 2009) | 22 lines branches/zip: Enable functionality to have multiple background io helper threads. This patch is based on percona contributions. More details about this patch will be written at: https://svn.innodb.com/innobase/MultipleBackgroundThreads The patch essentially does the following: expose following knobs: innodb_read_io_threads = [1 - 64] default 1 innodb_write_io_threads = [1 - 64] default 1 deprecate innodb_file_io_threads (this parameter was relevant only on windows) Internally it allows multiple segments for read and write IO request arrays where one thread works on one segement. Submitted by: Inaam (rb://124) Approved by: Heikki (rb://124) ------------------------------------------------------------------------ r5263 | vasil | 2009-06-05 12:19:37 -0400 (Fri, 05 Jun 2009) | 4 lines branches/zip: Whitespace cleanup. ------------------------------------------------------------------------ r5264 | vasil | 2009-06-05 12:26:58 -0400 (Fri, 05 Jun 2009) | 4 lines branches/zip: Add ChangeLog entry for r5261. ------------------------------------------------------------------------ r5265 | vasil | 2009-06-05 12:34:11 -0400 (Fri, 05 Jun 2009) | 4 lines branches/zip: Add ChangeLog entry for r5262. ------------------------------------------------------------------------ r5268 | inaam | 2009-06-08 12:18:21 -0400 (Mon, 08 Jun 2009) | 7 lines branches/zip Non functional change: Added legal notices acknowledging percona contribution to the multiple IO helper threads patch i.e.: r5262 ------------------------------------------------------------------------ r5283 | inaam | 2009-06-09 13:46:29 -0400 (Tue, 09 Jun 2009) | 9 lines branches/zip rb://130 Enable Group Commit functionality that was broken in 5.0 when distributed transactions were introduced. Reviewed by: Heikki ------------------------------------------------------------------------ r5319 | marko | 2009-06-11 04:40:33 -0400 (Thu, 11 Jun 2009) | 3 lines branches/zip: Declare os_thread_id_t as unsigned long, because ulint is wrong on Win64. Pointed out by Vladislav Vaintroub . ------------------------------------------------------------------------ r5320 | inaam | 2009-06-11 09:15:41 -0400 (Thu, 11 Jun 2009) | 14 lines branches/zip rb://131 This patch changes the following defaults: max_dirty_pages_pct: default from 90 to 75. max allowed from 100 to 99 additional_mem_pool_size: default from 1 to 8 MB buffer_pool_size: default from 8 to 128 MB log_buffer_size: default from 1 to 8 MB read_io_threads/write_io_threads: default from 1 to 4 The log file sizes are untouched because of upgrade issues Reviewed by: Heikki ------------------------------------------------------------------------ r5330 | marko | 2009-06-16 04:08:59 -0400 (Tue, 16 Jun 2009) | 2 lines branches/zip: buf_page_get_gen(): Reduce mutex holding time by adjusting buf_pool->n_pend_unzip while only holding buf_pool_mutex. ------------------------------------------------------------------------ r5331 | marko | 2009-06-16 05:00:48 -0400 (Tue, 16 Jun 2009) | 2 lines branches/zip: buf_page_get_zip(): Eliminate a buf_page_get_mutex() call. The function must switch on the block state anyway. ------------------------------------------------------------------------ r5332 | vasil | 2009-06-16 05:03:27 -0400 (Tue, 16 Jun 2009) | 4 lines branches/zip: Add ChangeLog entries for r5283 and r5320. ------------------------------------------------------------------------ r5333 | marko | 2009-06-16 05:27:46 -0400 (Tue, 16 Jun 2009) | 1 line branches/zip: buf_page_io_query(): Remove unused function. ------------------------------------------------------------------------ r5335 | marko | 2009-06-16 09:23:10 -0400 (Tue, 16 Jun 2009) | 2 lines branches/zip: innodb.test: Adjust the tolerance of innodb_buffer_pool_pages_total for r5320. ------------------------------------------------------------------------ r5342 | marko | 2009-06-17 06:15:32 -0400 (Wed, 17 Jun 2009) | 60 lines branches/zip: Merge revisions 5233:5341 from branches/5.1: ------------------------------------------------------------------------ r5233 | marko | 2009-06-03 15:12:44 +0300 (Wed, 03 Jun 2009) | 11 lines branches/5.1: Merge the test case from r5232 from branches/5.0: ------------------------------------------------------------------------ r5232 | marko | 2009-06-03 14:31:04 +0300 (Wed, 03 Jun 2009) | 21 lines branches/5.0: Merge r3590 from branches/5.1 in order to fix Bug #40565 (Update Query Results in "1 Row Affected" But Should Be "Zero Rows"). Also, add a test case for Bug #40565. rb://128 approved by Heikki Tuuri ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5243 | sunny | 2009-06-04 03:17:14 +0300 (Thu, 04 Jun 2009) | 14 lines branches/5.1: When the InnoDB and MySQL data dictionaries go out of sync, before the bug fix we would assert on missing autoinc columns. With this fix we allow MySQL to open the table but set the next autoinc value for the column to the MAX value. This effectively disables the next value generation. INSERTs will fail with a generic AUTOINC failure. However, the user should be able to read/dump the table, set the column values explicitly, use ALTER TABLE to set the next autoinc value and/or sync the two data dictionaries to resume normal operations. Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value from the index (PRIMARY) rb://118 ------------------------------------------------------------------------ r5252 | sunny | 2009-06-04 10:16:24 +0300 (Thu, 04 Jun 2009) | 2 lines branches/5.1: The version of the result file checked in was broken in r5243. ------------------------------------------------------------------------ r5259 | vasil | 2009-06-05 10:29:16 +0300 (Fri, 05 Jun 2009) | 7 lines branches/5.1: Remove the word "Error" from the printout because the mysqltest suite interprets it as an error and thus the innodb-autoinc test fails. Approved by: Sunny (via IM) ------------------------------------------------------------------------ r5339 | marko | 2009-06-17 11:01:37 +0300 (Wed, 17 Jun 2009) | 2 lines branches/5.1: Add missing #include "mtr0log.h" so that the code compiles with -DUNIV_MUST_NOT_INLINE. (null merge; this had already been committed in branches/zip) ------------------------------------------------------------------------ r5340 | marko | 2009-06-17 12:11:49 +0300 (Wed, 17 Jun 2009) | 4 lines branches/5.1: row_unlock_for_mysql(): When the clustered index is unknown, refuse to unlock the record. (Bug #45357, caused by the fix of Bug #39320). rb://132 approved by Sunny Bains. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5343 | vasil | 2009-06-17 08:56:12 -0400 (Wed, 17 Jun 2009) | 4 lines branches/zip: Add ChangeLog entry for r5342. ------------------------------------------------------------------------ r5344 | marko | 2009-06-17 09:03:45 -0400 (Wed, 17 Jun 2009) | 1 line branches/zip: row_merge_read_rec(): Fix a UNIV_DEBUG bug (Bug #45426) ------------------------------------------------------------------------ r5391 | marko | 2009-06-22 05:31:35 -0400 (Mon, 22 Jun 2009) | 2 lines branches/zip: buf_page_get_zip(): Fix a bogus warning about block_mutex being possibly uninitialized. ------------------------------------------------------------------------ r5392 | marko | 2009-06-22 07:58:20 -0400 (Mon, 22 Jun 2009) | 4 lines branches/zip: ha_innobase::check_if_incompatible_data(): When ROW_FORMAT=DEFAULT, do not compare to get_row_type(). Without this change, fast index creation will be disabled in recent versions of MySQL 5.1. ------------------------------------------------------------------------ r5393 | pekka | 2009-06-22 09:27:55 -0400 (Mon, 22 Jun 2009) | 4 lines branches/zip: Minor changes for Hot Backup to build correctly. (The code bracketed between #ifdef UNIV_HOTBACKUP and #endif /* UNIV_HOTBACKUP */). This change should not affect !UNIV_HOTBACKUP build. ------------------------------------------------------------------------ r5394 | pekka | 2009-06-22 09:46:34 -0400 (Mon, 22 Jun 2009) | 4 lines branches/zip: Add functions for checking the format of tablespaces for Hot Backup build (UNIV_HOTBACKUP defined). This change should not affect !UNIV_HOTBACKUP build. ------------------------------------------------------------------------ r5397 | calvin | 2009-06-23 16:59:42 -0400 (Tue, 23 Jun 2009) | 7 lines branches/zip: change the header file path. Change the header file path from ../storage/innobase/include/ to ../include/. In the planned 5.1 + plugin release, the source directory of the plugin will not be in storage/innobase. Approved by: Heikki (IM) ------------------------------------------------------------------------ r5407 | calvin | 2009-06-24 09:51:08 -0400 (Wed, 24 Jun 2009) | 4 lines branches/zip: remove relative path of header files. Suggested by Marko. ------------------------------------------------------------------------ r5412 | marko | 2009-06-25 06:27:08 -0400 (Thu, 25 Jun 2009) | 1 line branches/zip: Replace a DBUG_ASSERT with ut_a to track down Issue #290. ------------------------------------------------------------------------ r5415 | marko | 2009-06-25 06:45:57 -0400 (Thu, 25 Jun 2009) | 3 lines branches/zip: dict_index_find_cols(): Print diagnostic on name mismatch. This addresses Bug #44571 but does not fix it. rb://135 approved by Sunny Bains. ------------------------------------------------------------------------ r5417 | marko | 2009-06-25 08:20:56 -0400 (Thu, 25 Jun 2009) | 1 line branches/zip: ha_innodb.cc: Move the misplaced Doxygen @file comment. ------------------------------------------------------------------------ r5418 | marko | 2009-06-25 08:55:52 -0400 (Thu, 25 Jun 2009) | 5 lines branches/zip: Fix a race condition caused by SET GLOBAL innodb_commit_concurrency=DEFAULT. (Bug #45749) When innodb_commit_concurrency is initially set nonzero, DEFAULT would change it back to 0, triggering Bug #42101. rb://139 approved by Heikki Tuuri. ------------------------------------------------------------------------ r5423 | calvin | 2009-06-26 16:52:52 -0400 (Fri, 26 Jun 2009) | 2 lines branches/zip: Fix typos. ------------------------------------------------------------------------ r5425 | marko | 2009-06-29 04:52:30 -0400 (Mon, 29 Jun 2009) | 4 lines branches/zip: ha_innobase::add_index(), ha_innobase::final_drop_index(): Start prebuilt->trx before locking the table. This should fix Issue #293 and could fix Issue #229. Approved by Sunny (over IM). ------------------------------------------------------------------------ r5426 | marko | 2009-06-29 05:24:27 -0400 (Mon, 29 Jun 2009) | 3 lines branches/zip: buf_page_get_gen(): Fix a race condition when reading buf_fix_count. This could explain Issue #156. Tested by Michael. ------------------------------------------------------------------------ r5427 | marko | 2009-06-29 05:54:53 -0400 (Mon, 29 Jun 2009) | 5 lines branches/zip: lock_print_info_all_transactions(), buf_read_recv_pages(): Tolerate missing tablespaces (zip_size==ULINT_UNDEFINED). buf_page_get_gen(): Add ut_ad(ut_is_2pow(zip_size)). Issue #289, rb://136 approved by Sunny Bains ------------------------------------------------------------------------ r5428 | marko | 2009-06-29 07:06:29 -0400 (Mon, 29 Jun 2009) | 2 lines branches/zip: row_sel_store_mysql_rec(): Add missing pointer cast. Do not do arithmetics on void pointers. ------------------------------------------------------------------------ r5429 | marko | 2009-06-29 09:49:54 -0400 (Mon, 29 Jun 2009) | 13 lines branches/zip: Do not crash on SET GLOBAL innodb_file_format=DEFAULT or SET GLOBAL innodb_file_format_check=DEFAULT. innodb_file_format.test: New test for innodb_file_format and innodb_file_format_check. innodb_file_format_name_validate(): Store the string in *save. innodb_file_format_name_update(): Check the string again. innodb_file_format_check_validate(): Store the string in *save. innodb_file_format_check_update(): Check the string again. Issue #282, rb://140 approved by Heikki Tuuri ------------------------------------------------------------------------ r5430 | marko | 2009-06-29 09:58:07 -0400 (Mon, 29 Jun 2009) | 2 lines branches/zip: lock_rec_validate_page(): Add another assertion to track down Issue #289. ------------------------------------------------------------------------ r5431 | marko | 2009-06-29 09:58:40 -0400 (Mon, 29 Jun 2009) | 1 line branches/zip: Revert an accidentally made change in r5430 to univ.i. ------------------------------------------------------------------------ r5437 | marko | 2009-06-30 05:10:01 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: ibuf_dummy_index_free(): Beautify the comment. ------------------------------------------------------------------------ r5438 | marko | 2009-06-30 05:10:32 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: fseg_free(): Remove this unused function. ------------------------------------------------------------------------ r5439 | marko | 2009-06-30 05:15:22 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: fseg_validate(): Enclose in #ifdef UNIV_DEBUG. This function is unused, but it could turn out to be a useful debugging aid. ------------------------------------------------------------------------ r5441 | marko | 2009-06-30 06:30:14 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: ha_delete(): Remove this unused function that was very similar to ha_search_and_delete_if_found(). ------------------------------------------------------------------------ r5442 | marko | 2009-06-30 06:45:41 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: lock_is_on_table(), lock_table_unlock(): Unused, remove. ------------------------------------------------------------------------ r5443 | marko | 2009-06-30 07:03:00 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: os_event_create_auto(): Unused, remove. ------------------------------------------------------------------------ r5444 | marko | 2009-06-30 07:19:49 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: que_graph_try_free(): Unused, remove. ------------------------------------------------------------------------ r5445 | marko | 2009-06-30 07:28:11 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: row_build_row_ref_from_row(): Unused, remove. ------------------------------------------------------------------------ r5446 | marko | 2009-06-30 07:35:45 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: srv_que_round_robin(), srv_que_task_enqueue(): Unused, remove. ------------------------------------------------------------------------ r5447 | marko | 2009-06-30 07:37:58 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: srv_que_task_queue_check(): Unused, remove. ------------------------------------------------------------------------ r5448 | marko | 2009-06-30 07:56:36 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: mem_heap_cat(): Unused, remove. ------------------------------------------------------------------------ r5449 | marko | 2009-06-30 08:00:50 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: innobase_start_or_create_for_mysql(): Invoke os_get_os_version() at most once. ------------------------------------------------------------------------ r5450 | marko | 2009-06-30 08:02:20 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: os_file_close_no_error_handling(): Unused, remove. ------------------------------------------------------------------------ r5451 | marko | 2009-06-30 08:09:49 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: page_set_max_trx_id(): Make the code compile with UNIV_HOTBACKUP. ------------------------------------------------------------------------ r5452 | marko | 2009-06-30 08:10:26 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: os_file_close_no_error_handling(): Restore, as this function is used within InnoDB Hot Backup. ------------------------------------------------------------------------ r5453 | marko | 2009-06-30 08:14:01 -0400 (Tue, 30 Jun 2009) | 1 line branches/zip: os_process_set_priority_boost(): Unused, remove. ------------------------------------------------------------------------ r5454 | marko | 2009-06-30 08:42:52 -0400 (Tue, 30 Jun 2009) | 2 lines branches/zip: Replace a non-ASCII character (ISO 8859-1 encoded U+00AD SOFT HYPHEN) with a cheap ASCII substitute. ------------------------------------------------------------------------ r5456 | inaam | 2009-06-30 14:21:09 -0400 (Tue, 30 Jun 2009) | 4 lines branches/zip Non functional change. s/Percona/Percona Inc./ ------------------------------------------------------------------------ r5470 | vasil | 2009-07-02 09:12:36 -0400 (Thu, 02 Jul 2009) | 16 lines branches/zip: Use PAUSE instruction inside spinloop if it is available. The patch was originally developed by Mikael Ronstrom and can be found here: http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2768 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2771 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2772 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2774 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2777 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2799 http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2800 Approved by: Heikki (rb://137) ------------------------------------------------------------------------ r5481 | vasil | 2009-07-06 13:16:32 -0400 (Mon, 06 Jul 2009) | 4 lines branches/zip: Remove unnecessary quotes and simplify plug.in. ------------------------------------------------------------------------ r5482 | calvin | 2009-07-06 18:36:35 -0400 (Mon, 06 Jul 2009) | 5 lines branches/zip: add COPYING files for Percona and Sun Micro. 1.0.4 contains patches based on contributions from Percona and Sun Microsystems. ------------------------------------------------------------------------ r5483 | calvin | 2009-07-07 05:36:43 -0400 (Tue, 07 Jul 2009) | 3 lines branches/zip: add IB_HAVE_PAUSE_INSTRUCTION to CMake. Windows will support PAUSE instruction by default. ------------------------------------------------------------------------ r5484 | inaam | 2009-07-07 18:57:14 -0400 (Tue, 07 Jul 2009) | 13 lines branches/zip rb://126 Based on contribution from Google Inc. This patch introduces a new parameter innodb_io_capacity to control the rate at which master threads performs various tasks. The default value is 200 and higher values imply more aggressive flushing and ibuf merges from within the master thread. This patch also changes the ibuf merge from synchronous to asynchronous. Another minor change is not to force the master thread to wait for a log flush to complete every second. Approved by: Heikki ------------------------------------------------------------------------ r5485 | inaam | 2009-07-07 19:00:49 -0400 (Tue, 07 Jul 2009) | 18 lines branches/zip rb://138 The current implementation is to try to flush the neighbors of every page that we flush. This patch makes the following distinction: 1) If the flush is from flush_list AND 2) If the flush is intended to move the oldest_modification LSN ahead (this happens when a user thread sees little space in the log file and attempts to flush pages from the buffer pool so that a checkpoint can be made) THEN Do not try to flush the neighbors. Just focus on flushing dirty pages at the end of flush_list Approved by: Heikki ------------------------------------------------------------------------ r5486 | inaam | 2009-07-08 12:11:40 -0400 (Wed, 08 Jul 2009) | 29 lines branches/zip rb://133 This patch introduces heuristics based flushing rate of dirty pages to avoid IO bursts at checkpoint. 1) log_capacity / log_generated per second gives us number of seconds in which ALL dirty pages need to be flushed. Based on this rough assumption we can say that n_dirty_pages / (log_capacity / log_generation_rate) = desired_flush_rate 2) We use weighted averages (hard coded to 20 seconds) of log_generation_rate to avoid resonance. 3) From the desired_flush_rate we subtract the number of pages that have been flushed due to LRU flushing. That gives us pages that we should flush as part of flush_list cleanup. And that is the number (capped by maximum io_capacity) that we try to flush from the master thread. Knobs: ====== innodb_adaptive_flushing: boolean, global, dynamic, default TRUE. Since this heuristic is very experimental and has the potential to dramatically change the IO pattern I think it is a good idea to leave a knob to turn it off. Approved by: Heikki ------------------------------------------------------------------------ r5487 | calvin | 2009-07-08 12:42:28 -0400 (Wed, 08 Jul 2009) | 7 lines branches/zip: fix PAUSE instruction patch on Windows The original PAUSE instruction patch (r5470) does not compile on Windows. Also, there is an elegant way of doing it on Windows - YieldProcessor(). Approved by: Heikki (on IM) ------------------------------------------------------------------------ r5489 | vasil | 2009-07-10 05:02:22 -0400 (Fri, 10 Jul 2009) | 9 lines branches/zip: Change the defaults for innodb_sync_spin_loops: 20 -> 30 innodb_spin_wait_delay: 5 -> 6 This change was proposed by Sun/MySQL based on their performance testing, see https://svn.innodb.com/innobase/Release_tasks_for_InnoDB_Plugin_V1.0.4 ------------------------------------------------------------------------ r5490 | vasil | 2009-07-10 05:04:20 -0400 (Fri, 10 Jul 2009) | 4 lines branches/zip: Add ChangeLog entry for 5489. ------------------------------------------------------------------------ r5491 | calvin | 2009-07-10 12:19:17 -0400 (Fri, 10 Jul 2009) | 6 lines branches/zip: add copyright info to files related to PAUSE instruction patch, contributed by Sun Microsystems. ------------------------------------------------------------------------ r5492 | calvin | 2009-07-10 17:47:34 -0400 (Fri, 10 Jul 2009) | 5 lines branches/zip: add ChangeLog entries for r5484-r5486. ------------------------------------------------------------------------ r5494 | vasil | 2009-07-13 03:37:35 -0400 (Mon, 13 Jul 2009) | 6 lines branches/zip: Restore the original value of innodb_sync_spin_loops at the end, previously the test assumed that setting it to 20 will do this, but now the default is 30 and MTR's internal check failed. ------------------------------------------------------------------------ r5495 | inaam | 2009-07-13 11:48:45 -0400 (Mon, 13 Jul 2009) | 5 lines branches/zip rb://138 (REVERT) Revert the flush neighbors patch as it shows regression in the benchmarks run by Michael. ------------------------------------------------------------------------ r5496 | inaam | 2009-07-13 14:04:57 -0400 (Mon, 13 Jul 2009) | 4 lines branches/zip Fixed warnings on windows where ulint != ib_uint64_t ------------------------------------------------------------------------ r5497 | calvin | 2009-07-13 15:01:00 -0400 (Mon, 13 Jul 2009) | 9 lines branches/zip: fix run-time symbols clash on Solaris. This patch is from Sergey Vojtovich of Sun Microsystems, to fix run-time symbols clash on Solaris with older C++ compiler: - when finding out a way to hide symbols, make decision basing on compiler, not operating system. - Sun Studio supports __hidden declaration specifier for this purpose. ------------------------------------------------------------------------ r5498 | vasil | 2009-07-14 03:16:18 -0400 (Tue, 14 Jul 2009) | 92 lines branches/zip: Merge r5341:5497 from branches/5.1, skipping: c5419 because it is merge from branches/zip into branches/5.1 c5466 because the source code has been adjusted to match the MySQL behavior and the innodb-autoinc test does not fail in branches/zip, if c5466 is merged, then innodb-autoinc starts failing, Sunny suggested not to merge c5466. and resolving conflicts in c5410, c5440, c5488: ------------------------------------------------------------------------ r5410 | marko | 2009-06-24 22:26:34 +0300 (Wed, 24 Jun 2009) | 2 lines Changed paths: M /branches/5.1/include/trx0sys.ic M /branches/5.1/trx/trx0purge.c M /branches/5.1/trx/trx0sys.c M /branches/5.1/trx/trx0undo.c branches/5.1: Add missing #include "mtr0log.h" to avoid warnings when compiling with -DUNIV_MUST_NOT_INLINE. ------------------------------------------------------------------------ r5419 | marko | 2009-06-25 16:11:57 +0300 (Thu, 25 Jun 2009) | 18 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb_bug42101-nonzero.result M /branches/5.1/mysql-test/innodb_bug42101-nonzero.test M /branches/5.1/mysql-test/innodb_bug42101.result M /branches/5.1/mysql-test/innodb_bug42101.test branches/5.1: Merge r5418 from branches/zip: ------------------------------------------------------------------------ r5418 | marko | 2009-06-25 15:55:52 +0300 (Thu, 25 Jun 2009) | 5 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc M /branches/zip/mysql-test/innodb_bug42101-nonzero.result M /branches/zip/mysql-test/innodb_bug42101-nonzero.test M /branches/zip/mysql-test/innodb_bug42101.result M /branches/zip/mysql-test/innodb_bug42101.test branches/zip: Fix a race condition caused by SET GLOBAL innodb_commit_concurrency=DEFAULT. (Bug #45749) When innodb_commit_concurrency is initially set nonzero, DEFAULT would change it back to 0, triggering Bug #42101. rb://139 approved by Heikki Tuuri. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5440 | vasil | 2009-06-30 13:04:29 +0300 (Tue, 30 Jun 2009) | 8 lines Changed paths: M /branches/5.1/fil/fil0fil.c branches/5.1: Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to match documentation by changing the URL from http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html to http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting-datadict.html ------------------------------------------------------------------------ r5466 | vasil | 2009-07-02 10:46:45 +0300 (Thu, 02 Jul 2009) | 6 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Adjust the failing innodb-autoinc test to conform to the latest behavior of the MySQL code. The idea and the comment in innodb-autoinc.test come from Sunny. ------------------------------------------------------------------------ r5488 | vasil | 2009-07-09 19:16:44 +0300 (Thu, 09 Jul 2009) | 13 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc A /branches/5.1/mysql-test/innodb_bug21704.result A /branches/5.1/mysql-test/innodb_bug21704.test branches/5.1: Fix Bug#21704 Renaming column does not update FK definition by checking whether a column that participates in a FK definition is being renamed and denying the ALTER in this case. The patch was originally developed by Davi Arnaut : http://lists.mysql.com/commits/77714 and was later adjusted to conform to InnoDB coding style by me (Vasil), I also added some more comments and moved the bug specific mysql-test to a separate file to make it more manageable and flexible. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5499 | calvin | 2009-07-14 12:55:10 -0400 (Tue, 14 Jul 2009) | 3 lines branches/zip: add a missing file in Makefile.am This change was suggested by MySQL. ------------------------------------------------------------------------ r5500 | calvin | 2009-07-14 13:03:26 -0400 (Tue, 14 Jul 2009) | 3 lines branches/zip: minor change Remove an extra "with". ------------------------------------------------------------------------ r5501 | vasil | 2009-07-14 13:58:15 -0400 (Tue, 14 Jul 2009) | 5 lines branches/zip: Add @ZLIB_INCLUDES@ so that the InnoDB Plugin picks up the same zlib.h header file that is eventually used by mysqld. ------------------------------------------------------------------------ r5502 | vasil | 2009-07-14 13:59:59 -0400 (Tue, 14 Jul 2009) | 4 lines branches/zip: Add include/ut0auxconf.h to noinst_HEADERS ------------------------------------------------------------------------ r5503 | vasil | 2009-07-14 14:16:11 -0400 (Tue, 14 Jul 2009) | 8 lines branches/zip: Non-functional change: put files in noinst_HEADERS and libinnobase_a_SOURCES one per line and sort alphabetically, so it is easier to find if a file is there or not and also diffs show exactly the added or removed file instead of surrounding lines too. ------------------------------------------------------------------------ r5504 | calvin | 2009-07-15 04:58:44 -0400 (Wed, 15 Jul 2009) | 6 lines branches/zip: fix compile errors on Win64 Both srv_read_ahead_factor and srv_io_capacity should be defined as ulong. Approved by: Sunny ------------------------------------------------------------------------ r5508 | calvin | 2009-07-16 09:40:47 -0400 (Thu, 16 Jul 2009) | 16 lines branches/zip: Support inlining of functions and prefetch with Sun Studio Those changes are contributed by Sun/MySQL. Two sets of changes in this patch when Sun Studio is used: - Explicit inlining of functions - Prefetch Support This patch has been tested by Sunny with the plugin statically built in. Since we've never built the plugin as a dynamically loaded module on Solaris, it is a separate task to change plug.in. rb://142 Approved by: Heikki ------------------------------------------------------------------------ r5509 | calvin | 2009-07-16 09:45:28 -0400 (Thu, 16 Jul 2009) | 2 lines branches/zip: add ChangeLog entry for r5508. ------------------------------------------------------------------------ r5512 | sunny | 2009-07-19 19:52:48 -0400 (Sun, 19 Jul 2009) | 2 lines branches/zip: Remove unused extern ref to timed_mutexes. ------------------------------------------------------------------------ r5513 | sunny | 2009-07-19 19:58:43 -0400 (Sun, 19 Jul 2009) | 2 lines branches/zip: Undo r5512 ------------------------------------------------------------------------ r5514 | sunny | 2009-07-19 20:08:49 -0400 (Sun, 19 Jul 2009) | 2 lines branches/zip: Only use my_bool when UNIV_HOTBACKUP is not defined. ------------------------------------------------------------------------ r5515 | sunny | 2009-07-20 03:29:14 -0400 (Mon, 20 Jul 2009) | 2 lines branches/zip: The dict_table_t::autoinc_mutex field is not used in HotBackup. ------------------------------------------------------------------------ r5516 | sunny | 2009-07-20 03:46:05 -0400 (Mon, 20 Jul 2009) | 4 lines branches/zip: Make this file usable from within HotBackup. A new file has been introduced called hb_univ.i. This file should have all the HotBackup specific configuration. ------------------------------------------------------------------------ r5517 | sunny | 2009-07-20 03:55:11 -0400 (Mon, 20 Jul 2009) | 2 lines Add /* UNIV_HOTBACK */ ------------------------------------------------------------------------ r5519 | vasil | 2009-07-20 04:45:18 -0400 (Mon, 20 Jul 2009) | 31 lines branches/zip: Merge r5497:5518 from branches/5.1: ------------------------------------------------------------------------ r5518 | vasil | 2009-07-20 11:29:47 +0300 (Mon, 20 Jul 2009) | 22 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2874.2.1 committer: Anurag Shekhar branch nick: mysql-5.1-bugteam-windows-warning timestamp: Wed 2009-05-13 15:41:24 +0530 message: Bug #39802 On Windows, 32-bit time_t should be enforced This patch fixes compilation warning, "conversion from 'time_t' to 'ulong', possible loss of data". The fix is to typecast time_t to ulong before assigning it to ulong. Backported this from 6.0-bugteam tree. modified: storage/archive/ha_archive.cc storage/federated/ha_federated.cc storage/innobase/handler/ha_innodb.cc storage/myisam/ha_myisam.cc ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5520 | vasil | 2009-07-20 04:51:47 -0400 (Mon, 20 Jul 2009) | 4 lines branches/zip: Add ChangeLog entries for r5498 and r5519. ------------------------------------------------------------------------ r5524 | inaam | 2009-07-20 12:23:15 -0400 (Mon, 20 Jul 2009) | 9 lines branches/zip Change the read ahead parameter name to innodb_read_ahead_threshold. Change the meaning of this parameter to signify the number of pages that must be sequentially accessed for InnoDB to trigger a readahead request. Suggested by: Ken ------------------------------------------------------------------------ --- CMakeLists.txt | 2 +- COPYING.Percona | 30 ++ COPYING.Sun_Microsystems | 31 ++ ChangeLog | 178 ++++++++- Makefile.am | 438 +++++++++++++++------- btr/btr0cur.c | 1 + buf/buf0buf.c | 27 +- buf/buf0flu.c | 151 ++++++++ buf/buf0lru.c | 5 +- buf/buf0rea.c | 50 ++- dict/dict0dict.c | 7 +- dict/dict0mem.c | 2 + fil/fil0fil.c | 6 +- fsp/fsp0fsp.c | 47 +-- ha/ha0ha.c | 24 +- handler/ha_innodb.cc | 379 +++++++++++++++---- handler/handler0alter.cc | 2 + ibuf/ibuf0ibuf.c | 8 +- include/buf0buddy.h | 1 + include/buf0buf.h | 31 +- include/buf0buf.ic | 23 -- include/buf0flu.h | 38 ++ include/buf0lru.h | 10 +- include/buf0rea.h | 8 +- include/fsp0fsp.h | 85 +---- include/fsp0types.h | 110 ++++++ include/ha0ha.h | 10 - include/lock0lock.h | 16 - include/log0log.h | 42 +++ include/log0log.ic | 12 + include/mem0mem.h | 13 - include/mtr0log.h | 4 +- include/mtr0log.ic | 26 +- include/mtr0mtr.h | 163 ++++---- include/os0file.h | 55 ++- include/os0proc.h | 9 - include/os0sync.h | 12 - include/os0thread.h | 2 +- include/page0zip.h | 8 + include/page0zip.ic | 10 +- include/que0que.h | 10 - include/row0row.h | 15 - include/srv0que.h | 30 +- include/srv0srv.h | 66 +++- include/sync0sync.h | 2 + include/trx0rseg.ic | 1 + include/trx0sys.h | 41 +- include/trx0sys.ic | 1 + include/trx0types.h | 8 +- include/univ.i | 48 ++- include/ut0auxconf.h | 2 +- include/ut0ut.h | 29 ++ lock/lock0lock.c | 63 +--- log/log0log.c | 47 +++ mem/mem0mem.c | 21 -- mtr/mtr0log.c | 4 +- mysql-test/innodb-autoinc.result | 22 ++ mysql-test/innodb-autoinc.test | 20 + mysql-test/innodb-index.result | 7 - mysql-test/innodb-index.test | 10 - mysql-test/innodb.result | 6 +- mysql-test/innodb.test | 4 +- mysql-test/innodb_bug21704.result | 55 +++ mysql-test/innodb_bug21704.test | 96 +++++ mysql-test/innodb_bug40565.result | 9 + mysql-test/innodb_bug40565.test | 10 + mysql-test/innodb_bug42101-nonzero.result | 6 +- mysql-test/innodb_bug42101-nonzero.test | 2 + mysql-test/innodb_bug42101.result | 4 + mysql-test/innodb_bug42101.test | 2 + mysql-test/innodb_bug45357.result | 7 + mysql-test/innodb_bug45357.test | 10 + mysql-test/innodb_file_format.result | 44 +++ mysql-test/innodb_file_format.test | 28 ++ os/os0file.c | 97 +++-- os/os0proc.c | 34 -- os/os0sync.c | 41 -- page/page0page.c | 2 + page/page0zip.c | 7 +- plug.in | 26 ++ que/que0que.c | 31 -- row/row0merge.c | 9 +- row/row0mysql.c | 9 +- row/row0row.c | 61 --- row/row0sel.c | 3 +- srv/srv0que.c | 77 ---- srv/srv0srv.c | 275 ++++++++++---- srv/srv0start.c | 97 +++-- sync/sync0sync.c | 9 +- trx/trx0purge.c | 1 + trx/trx0sys.c | 217 ++++++++++- trx/trx0undo.c | 1 + ut/ut0mem.c | 2 +- ut/ut0ut.c | 8 + 94 files changed, 2633 insertions(+), 1180 deletions(-) create mode 100644 COPYING.Percona create mode 100644 COPYING.Sun_Microsystems create mode 100644 include/fsp0types.h create mode 100644 mysql-test/innodb_bug21704.result create mode 100644 mysql-test/innodb_bug21704.test create mode 100644 mysql-test/innodb_bug40565.result create mode 100644 mysql-test/innodb_bug40565.test create mode 100644 mysql-test/innodb_bug45357.result create mode 100644 mysql-test/innodb_bug45357.test create mode 100644 mysql-test/innodb_file_format.result create mode 100644 mysql-test/innodb_file_format.test diff --git a/CMakeLists.txt b/CMakeLists.txt index b5fb26880a3..ef1d3db6f73 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -105,7 +105,7 @@ SET(INNODB_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c IF(NOT SOURCE_SUBLIBS) # INNODB_RW_LOCKS_USE_ATOMICS may be defined only if HAVE_WINDOWS_ATOMICS is defined. # Windows Interlocked functions require Windows 2000 or newer operating system - ADD_DEFINITIONS(-D_WIN32 -DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS) + ADD_DEFINITIONS(-D_WIN32 -DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) ADD_LIBRARY(innobase STATIC ${INNODB_SOURCES}) # Require mysqld_error.h, which is built as part of the GenError ADD_DEPENDENCIES(innobase GenError) diff --git a/COPYING.Percona b/COPYING.Percona new file mode 100644 index 00000000000..8c786811719 --- /dev/null +++ b/COPYING.Percona @@ -0,0 +1,30 @@ +Portions of this software contain modifications contributed by Percona, Inc. +These contributions are used with the following license: + +Copyright (c) 2008, 2009, Percona Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of the Percona Inc. nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/COPYING.Sun_Microsystems b/COPYING.Sun_Microsystems new file mode 100644 index 00000000000..5a77ef3ab73 --- /dev/null +++ b/COPYING.Sun_Microsystems @@ -0,0 +1,31 @@ +Portions of this software contain modifications contributed by +Sun Microsystems, Inc. These contributions are used with the following +license: + +Copyright (c) 2009, Sun Microsystems, Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of Sun Microsystems, Inc. nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/ChangeLog b/ChangeLog index bdcff9524aa..e43d77e16f2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,8 +1,180 @@ +2009-07-20 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#39802 On Windows, 32-bit time_t should be enforced + +2009-07-16 The InnoDB Team + + * include/univ.i: + Support inlining of functions and prefetch with Sun Studio. + These changes are based on contribution from + Sun Microsystems Inc. under a BSD license. + +2009-07-14 The InnoDB Team + + * fil/fil0fil.c: + Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to + match documentation + +2009-07-14 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, + mysql-test/innodb_bug21704.test: + Fix Bug#21704 Renaming column does not update FK definition + +2009-07-10 The InnoDB Team + + * handler/ha_innodb.cc, srv/srv0srv.c: + Change the defaults for + innodb_sync_spin_loops: 20 -> 30 + innodb_spin_wait_delay: 5 -> 6 + +2009-07-08 The InnoDB Team + + * srv/srv0srv.c, buf/buf0flu.c, handler/ha_innodb.cc, + include/srv0srv.h, include/log0log.ic, include/buf0flu.h, + include/log0log.h: + Implement the adaptive flushing of dirty pages, which uses + a heuristics based flushing rate of dirty pages to avoid IO + bursts at checkpoint. Expose new configure knob + innodb_adaptive_flushing to control whether the new flushing + algorithm should be used. + +2009-07-07 The InnoDB Team + + * srv/srv0srv.c, handler/ha_innodb.cc, log/log0log.c, + include/srv0srv.h: + Implement IO capacity tuning. Expose new configure knob + innodb_io_capacity to control the master threads IO rate. The + ibuf merge is also changed from synchronous to asynchronous. + These changes are based on contribution from Google Inc. + under a BSD license. + +2009-07-02 The InnoDB Team + + * include/ut0ut.h, plug.in, ut/ut0ut.c: + Use the PAUSE instruction inside the spinloop if it is available, + Thanks to Mikael Ronstrom . + +2009-06-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_file_format.test, + mysql-test/innodb_file_format.result: + Do not crash on SET GLOBAL innodb_file_format=DEFAULT + or SET GLOBAL innodb_file_format_check=DEFAULT. + +2009-06-29 The InnoDB Team + + * buf/buf0buf.c, buf/buf0rea.c, lock/lock0lock.c: + Tolerate missing tablespaces during crash recovery and when + printing information on locks. + +2009-06-29 The InnoDB Team + + * buf/buf0buf.c: + Fix a race condition when reading buf_fix_count. + Currently, it is not being protected by the buffer pool mutex, + but by the block mutex. + +2009-06-29 The InnoDB Team + + * handler/handler0alter.cc: + Start the user transaction prebuilt->trx if it was not started + before adding or dropping an index. Without this fix, the + table could be locked outside an active transaction. + +2009-06-25 The InnoDB Team + + * handler/ha_innodb.cc, + mysql-test/innodb_bug42101.test, + mysql-test/innodb_bug42101.result, + mysql-test/innodb_bug42101-nonzero.test, + mysql-test/innodb_bug42101-nonzero.result: + Fix Bug#45749 Race condition in SET GLOBAL + innodb_commit_concurrency=DEFAULT + +2009-06-25 The InnoDB Team + + * dict/dict0dict.c: + When an index column cannot be found in the table during index + creation, display additional diagnostic before an assertion failure. + This does NOT fix Bug #44571 InnoDB Plugin crashes on ADD INDEX, + but it helps understand the reason of the crash. + +2009-06-17 The InnoDB Team + + * row/row0merge.c: + Fix Bug#45426 UNIV_DEBUG build cause assertion error at CREATE INDEX + +2009-06-17 The InnoDB Team + + * mysql-test/innodb_bug45357.result, mysql-test/innodb_bug45357.test, + row/row0mysql.c: + Fix Bug#45357 5.1.35 crashes with Failing assertion: index->type & + DICT_CLUSTERED + +2009-06-17 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value + from the index (PRIMARY) + +2009-06-11 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb.result, srv/srv0srv.c: + Change the following defaults: + max_dirty_pages_pct: from 90 to 75, max allowed from 100 to 99 + additional_mem_pool_size: from 1 to 8 MB + buffer_pool_size: from 8 to 128 MB + log_buffer_size: from 1 to 8 MB + read_io_threads/write_io_threads: from 1 to 4 + +2009-06-09 The InnoDB Team + + * handler/ha_innodb.cc, include/trx0trx.h, trx/trx0trx.c: + Enable Group Commit functionality that was broken in 5.0 when + distributed transactions were introduced. + +2009-06-05 The InnoDB Team + + * handler/ha_innodb.cc, include/os0file.h, include/srv0srv.h, + os/os0file.c, srv/srv0srv.c, srv/srv0start.c: + Enable functionality to have multiple background IO helper threads. + Expose new configure knobs innodb_read_io_threads and + innodb_write_io_threads and deprecate innodb_file_io_threads (this + parameter was relevant only on windows). Internally this allows + multiple segments for read and write IO request arrays where one + thread works on one segment. + +2009-06-05 The InnoDB Team + + * buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, + include/srv0srv.h, srv/srv0srv.c: + Fix a bug in linear read ahead: + 1) Take into account access pattern when deciding whether or not to + do linear read ahead. + 2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), + dynamic, global to control linear read ahead behavior. This is the + value of the number of pages that InnoDB will tolerate within a + 64 page extent even if they are accessed out of order or have + not been accessed at all. This number (which varies from 0 to 64) + is indicative of the slack that we have when deciding about linear + readahead. + 3) Disable random read ahead. Keep the code for now. + +2009-06-03 The InnoDB Team + + * dict/dict0dict.c, mysql-test/t/innodb_mysql.test, + mysql-test/r/innodb_mysql.result: + Fix Bug#39793 Foreign keys not constructed when column + has a '#' in a comment or default value + 2009-05-27 The InnoDB Team * Doxyfile: Allow the extraction of documentation from the code base with the - Doxygen tool. Convert and add many (but not yet all) comments to + Doxygen tool. Convert and add many (but not yet all) comments to Doxygen format. 2009-05-19 The InnoDB Team @@ -13,7 +185,7 @@ page/page0zip.c, page/page0page.c: Write updates of PAGE_MAX_TRX_ID to the redo log and add debug assertions for checking that PAGE_MAX_TRX_ID is valid on leaf - pages of secondary indexes and the insert buffer B-tree. This bug + pages of secondary indexes and the insert buffer B-tree. This bug could cause failures in secondary index lookups in consistent reads right after crash recovery. @@ -43,7 +215,7 @@ * row/row0mysql.c: When scanning indexes, report in the error log any error codes - returned by the search function. These error codes will still be + returned by the search function. These error codes will still be ignored in CHECK TABLE. 2009-04-23 The InnoDB Team diff --git a/Makefile.am b/Makefile.am index 817ae212456..b047bffc925 100644 --- a/Makefile.am +++ b/Makefile.am @@ -24,157 +24,305 @@ INCLUDES= -I$(top_srcdir)/include -I$(top_builddir)/include \ -I$(top_srcdir)/regex \ -I$(top_srcdir)/storage/innobase/include \ -I$(top_srcdir)/sql \ - -I$(srcdir) + -I$(srcdir) @ZLIB_INCLUDES@ DEFS= @DEFS@ - -noinst_HEADERS= include/btr0btr.h include/btr0btr.ic \ - include/btr0cur.h include/btr0cur.ic \ - include/btr0pcur.h include/btr0pcur.ic \ - include/btr0sea.h include/btr0sea.ic \ - include/btr0types.h include/buf0buddy.h \ - include/buf0buddy.ic include/buf0buf.h \ - include/buf0buf.ic include/buf0flu.h \ - include/buf0flu.ic include/buf0lru.h \ - include/buf0lru.ic include/buf0rea.h \ - include/buf0types.h include/data0data.h \ - include/data0data.ic include/data0type.h \ - include/data0type.ic include/data0types.h \ - include/db0err.h include/dict0boot.h \ - include/dict0boot.ic include/dict0crea.h \ - include/dict0crea.ic include/dict0dict.h \ - include/dict0dict.ic include/dict0load.h \ - include/dict0load.ic include/dict0mem.h \ - include/dict0mem.ic include/dict0types.h \ - include/dyn0dyn.h include/dyn0dyn.ic \ - include/eval0eval.h include/eval0eval.ic \ - include/eval0proc.h include/eval0proc.ic \ - include/fil0fil.h include/fsp0fsp.h \ - include/fsp0fsp.ic include/fut0fut.h \ - include/fut0fut.ic include/fut0lst.h \ - include/fut0lst.ic include/ha0ha.h \ - include/ha0ha.ic \ - include/ha0storage.h \ - include/ha0storage.ic \ - include/hash0hash.h \ - include/hash0hash.ic include/ibuf0ibuf.h \ - include/ibuf0ibuf.ic include/ibuf0types.h \ - include/lock0iter.h \ - include/lock0lock.h include/lock0lock.ic \ - include/lock0priv.h include/lock0priv.ic \ - include/lock0types.h include/log0log.h \ - include/log0log.ic include/log0recv.h \ - include/log0recv.ic include/mach0data.h \ - include/mach0data.ic include/mem0dbg.h \ - include/mem0dbg.ic mem/mem0dbg.c \ - include/mem0mem.h include/mem0mem.ic \ - include/mem0pool.h include/mem0pool.ic \ - include/mtr0log.h include/mtr0log.ic \ - include/mtr0mtr.h include/mtr0mtr.ic \ - include/mtr0types.h \ - include/mysql_addons.h \ - include/os0file.h \ - include/os0proc.h include/os0proc.ic \ - include/os0sync.h include/os0sync.ic \ - include/os0thread.h include/os0thread.ic \ - include/page0cur.h include/page0cur.ic \ - include/page0page.h include/page0page.ic \ - include/page0zip.h include/page0zip.ic \ - include/page0types.h include/pars0grm.h \ - include/pars0opt.h include/pars0opt.ic \ - include/pars0pars.h include/pars0pars.ic \ - include/pars0sym.h include/pars0sym.ic \ - include/pars0types.h include/que0que.h \ - include/que0que.ic include/que0types.h \ - include/read0read.h include/read0read.ic \ - include/read0types.h include/rem0cmp.h \ - include/rem0cmp.ic include/rem0rec.h \ - include/rem0rec.ic include/rem0types.h \ - include/row0ext.h include/row0ext.ic \ - include/row0ins.h include/row0ins.ic \ - include/row0merge.h \ - include/row0mysql.h include/row0mysql.ic \ - include/row0purge.h include/row0purge.ic \ - include/row0row.h include/row0row.ic \ - include/row0sel.h include/row0sel.ic \ - include/row0types.h include/row0uins.h \ - include/row0uins.ic include/row0umod.h \ - include/row0umod.ic include/row0undo.h \ - include/row0undo.ic include/row0upd.h \ - include/row0upd.ic include/row0vers.h \ - include/row0vers.ic include/srv0que.h \ - include/srv0srv.h include/srv0srv.ic \ - include/srv0start.h include/sync0arr.h \ - include/sync0arr.ic include/sync0rw.h \ - include/sync0rw.ic include/sync0sync.h \ - include/sync0sync.ic include/sync0types.h \ - include/thr0loc.h include/thr0loc.ic \ - include/trx0i_s.h \ - include/trx0purge.h include/trx0purge.ic \ - include/trx0rec.h include/trx0rec.ic \ - include/trx0roll.h include/trx0roll.ic \ - include/trx0rseg.h include/trx0rseg.ic \ - include/trx0sys.h include/trx0sys.ic \ - include/trx0trx.h include/trx0trx.ic \ - include/trx0types.h include/trx0undo.h \ - include/trx0undo.ic include/trx0xa.h \ - include/univ.i include/usr0sess.h \ - include/usr0sess.ic include/usr0types.h \ - include/ut0byte.h include/ut0byte.ic \ - include/ut0dbg.h include/ut0lst.h \ - include/ut0mem.h include/ut0mem.ic \ - include/ut0rnd.h include/ut0rnd.ic \ - include/ut0sort.h include/ut0ut.h \ - include/ut0ut.ic include/ut0vec.h \ - include/ut0vec.ic include/ut0list.h \ - include/ut0list.ic include/ut0wqueue.h \ - include/ha_prototypes.h handler/ha_innodb.h \ - include/handler0alter.h \ - handler/i_s.h include/ut0rbt.h +noinst_HEADERS= \ + handler/ha_innodb.h \ + handler/handler0vars.h \ + handler/i_s.h \ + include/btr0btr.h \ + include/btr0btr.ic \ + include/btr0cur.h \ + include/btr0cur.ic \ + include/btr0pcur.h \ + include/btr0pcur.ic \ + include/btr0sea.h \ + include/btr0sea.ic \ + include/btr0types.h \ + include/buf0buddy.h \ + include/buf0buddy.ic \ + include/buf0buf.h \ + include/buf0buf.ic \ + include/buf0flu.h \ + include/buf0flu.ic \ + include/buf0lru.h \ + include/buf0lru.ic \ + include/buf0rea.h \ + include/buf0types.h \ + include/data0data.h \ + include/data0data.ic \ + include/data0type.h \ + include/data0type.ic \ + include/data0types.h \ + include/db0err.h \ + include/dict0boot.h \ + include/dict0boot.ic \ + include/dict0crea.h \ + include/dict0crea.ic \ + include/dict0dict.h \ + include/dict0dict.ic \ + include/dict0load.h \ + include/dict0load.ic \ + include/dict0mem.h \ + include/dict0mem.ic \ + include/dict0types.h \ + include/dyn0dyn.h \ + include/dyn0dyn.ic \ + include/eval0eval.h \ + include/eval0eval.ic \ + include/eval0proc.h \ + include/eval0proc.ic \ + include/fil0fil.h \ + include/fsp0fsp.h \ + include/fsp0fsp.ic \ + include/fut0fut.h \ + include/fut0fut.ic \ + include/fut0lst.h \ + include/fut0lst.ic \ + include/ha0ha.h \ + include/ha0ha.ic \ + include/ha0storage.h \ + include/ha0storage.ic \ + include/ha_prototypes.h \ + include/handler0alter.h \ + include/hash0hash.h \ + include/hash0hash.ic \ + include/ibuf0ibuf.h \ + include/ibuf0ibuf.ic \ + include/ibuf0types.h \ + include/lock0iter.h \ + include/lock0lock.h \ + include/lock0lock.ic \ + include/lock0priv.h \ + include/lock0priv.ic \ + include/lock0types.h \ + include/log0log.h \ + include/log0log.ic \ + include/log0recv.h \ + include/log0recv.ic \ + include/mach0data.h \ + include/mach0data.ic \ + include/mem0dbg.h \ + include/mem0dbg.ic \ + include/mem0mem.h \ + include/mem0mem.ic \ + include/mem0pool.h \ + include/mem0pool.ic \ + include/mtr0log.h \ + include/mtr0log.ic \ + include/mtr0mtr.h \ + include/mtr0mtr.ic \ + include/mtr0types.h \ + include/mysql_addons.h \ + include/os0file.h \ + include/os0proc.h \ + include/os0proc.ic \ + include/os0sync.h \ + include/os0sync.ic \ + include/os0thread.h \ + include/os0thread.ic \ + include/page0cur.h \ + include/page0cur.ic \ + include/page0page.h \ + include/page0page.ic \ + include/page0types.h \ + include/page0zip.h \ + include/page0zip.ic \ + include/pars0grm.h \ + include/pars0opt.h \ + include/pars0opt.ic \ + include/pars0pars.h \ + include/pars0pars.ic \ + include/pars0sym.h \ + include/pars0sym.ic \ + include/pars0types.h \ + include/que0que.h \ + include/que0que.ic \ + include/que0types.h \ + include/read0read.h \ + include/read0read.ic \ + include/read0types.h \ + include/rem0cmp.h \ + include/rem0cmp.ic \ + include/rem0rec.h \ + include/rem0rec.ic \ + include/rem0types.h \ + include/row0ext.h \ + include/row0ext.ic \ + include/row0ins.h \ + include/row0ins.ic \ + include/row0merge.h \ + include/row0mysql.h \ + include/row0mysql.ic \ + include/row0purge.h \ + include/row0purge.ic \ + include/row0row.h \ + include/row0row.ic \ + include/row0sel.h \ + include/row0sel.ic \ + include/row0types.h \ + include/row0uins.h \ + include/row0uins.ic \ + include/row0umod.h \ + include/row0umod.ic \ + include/row0undo.h \ + include/row0undo.ic \ + include/row0upd.h \ + include/row0upd.ic \ + include/row0vers.h \ + include/row0vers.ic \ + include/srv0que.h \ + include/srv0srv.h \ + include/srv0srv.ic \ + include/srv0start.h \ + include/sync0arr.h \ + include/sync0arr.ic \ + include/sync0rw.h \ + include/sync0rw.ic \ + include/sync0sync.h \ + include/sync0sync.ic \ + include/sync0types.h \ + include/thr0loc.h \ + include/thr0loc.ic \ + include/trx0i_s.h \ + include/trx0purge.h \ + include/trx0purge.ic \ + include/trx0rec.h \ + include/trx0rec.ic \ + include/trx0roll.h \ + include/trx0roll.ic \ + include/trx0rseg.h \ + include/trx0rseg.ic \ + include/trx0sys.h \ + include/trx0sys.ic \ + include/trx0trx.h \ + include/trx0trx.ic \ + include/trx0types.h \ + include/trx0undo.h \ + include/trx0undo.ic \ + include/trx0xa.h \ + include/univ.i \ + include/usr0sess.h \ + include/usr0sess.ic \ + include/usr0types.h \ + include/ut0auxconf.h \ + include/ut0byte.h \ + include/ut0byte.ic \ + include/ut0dbg.h \ + include/ut0list.h \ + include/ut0list.ic \ + include/ut0lst.h \ + include/ut0mem.h \ + include/ut0mem.ic \ + include/ut0rbt.h \ + include/ut0rnd.h \ + include/ut0rnd.ic \ + include/ut0sort.h \ + include/ut0ut.h \ + include/ut0ut.ic \ + include/ut0vec.h \ + include/ut0vec.ic \ + include/ut0wqueue.h \ + mem/mem0dbg.c EXTRA_LIBRARIES= libinnobase.a noinst_LIBRARIES= @plugin_innobase_static_target@ -libinnobase_a_SOURCES= btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c \ - btr/btr0sea.c buf/buf0buddy.c \ - buf/buf0buf.c buf/buf0flu.c \ - buf/buf0lru.c buf/buf0rea.c data/data0data.c \ - data/data0type.c dict/dict0boot.c \ - dict/dict0crea.c dict/dict0dict.c \ - dict/dict0load.c dict/dict0mem.c dyn/dyn0dyn.c \ - eval/eval0eval.c eval/eval0proc.c \ - fil/fil0fil.c fsp/fsp0fsp.c fut/fut0fut.c \ - fut/fut0lst.c ha/ha0ha.c \ - ha/ha0storage.c \ - ha/hash0hash.c \ - ibuf/ibuf0ibuf.c lock/lock0iter.c \ - lock/lock0lock.c \ - log/log0log.c log/log0recv.c mach/mach0data.c \ - mem/mem0mem.c mem/mem0pool.c mtr/mtr0log.c \ - mtr/mtr0mtr.c os/os0file.c os/os0proc.c \ - os/os0sync.c os/os0thread.c page/page0cur.c \ - page/page0page.c page/page0zip.c \ - pars/lexyy.c pars/pars0grm.c \ - pars/pars0opt.c pars/pars0pars.c \ - pars/pars0sym.c que/que0que.c read/read0read.c \ - rem/rem0cmp.c rem/rem0rec.c row/row0ext.c \ - row/row0ins.c row/row0merge.c \ - row/row0mysql.c row/row0purge.c row/row0row.c \ - row/row0sel.c row/row0uins.c row/row0umod.c \ - row/row0undo.c row/row0upd.c row/row0vers.c \ - srv/srv0que.c srv/srv0srv.c srv/srv0start.c \ - sync/sync0arr.c sync/sync0rw.c \ - sync/sync0sync.c thr/thr0loc.c \ - trx/trx0i_s.c \ - trx/trx0purge.c \ - trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c \ - trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c \ - usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c \ - ut/ut0list.c ut/ut0mem.c ut/ut0rnd.c \ - ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c \ - handler/ha_innodb.cc handler/handler0alter.cc \ - handler/i_s.cc \ - handler/mysql_addons.cc ut/ut0rbt.c +libinnobase_a_SOURCES= \ + btr/btr0btr.c \ + btr/btr0cur.c \ + btr/btr0pcur.c \ + btr/btr0sea.c \ + buf/buf0buddy.c \ + buf/buf0buf.c \ + buf/buf0flu.c \ + buf/buf0lru.c \ + buf/buf0rea.c \ + data/data0data.c \ + data/data0type.c \ + dict/dict0boot.c \ + dict/dict0crea.c \ + dict/dict0dict.c \ + dict/dict0load.c \ + dict/dict0mem.c \ + dyn/dyn0dyn.c \ + eval/eval0eval.c \ + eval/eval0proc.c \ + fil/fil0fil.c \ + fsp/fsp0fsp.c \ + fut/fut0fut.c \ + fut/fut0lst.c \ + ha/ha0ha.c \ + ha/ha0storage.c \ + ha/hash0hash.c \ + handler/ha_innodb.cc \ + handler/handler0alter.cc \ + handler/i_s.cc \ + handler/mysql_addons.cc \ + ibuf/ibuf0ibuf.c \ + lock/lock0iter.c \ + lock/lock0lock.c \ + log/log0log.c \ + log/log0recv.c \ + mach/mach0data.c \ + mem/mem0mem.c \ + mem/mem0pool.c \ + mtr/mtr0log.c \ + mtr/mtr0mtr.c \ + os/os0file.c \ + os/os0proc.c \ + os/os0sync.c \ + os/os0thread.c \ + page/page0cur.c \ + page/page0page.c \ + page/page0zip.c \ + pars/lexyy.c \ + pars/pars0grm.c \ + pars/pars0opt.c \ + pars/pars0pars.c \ + pars/pars0sym.c \ + que/que0que.c \ + read/read0read.c \ + rem/rem0cmp.c \ + rem/rem0rec.c \ + row/row0ext.c \ + row/row0ins.c \ + row/row0merge.c \ + row/row0mysql.c \ + row/row0purge.c \ + row/row0row.c \ + row/row0sel.c \ + row/row0uins.c \ + row/row0umod.c \ + row/row0undo.c \ + row/row0upd.c \ + row/row0vers.c \ + srv/srv0que.c \ + srv/srv0srv.c \ + srv/srv0start.c \ + sync/sync0arr.c \ + sync/sync0rw.c \ + sync/sync0sync.c \ + thr/thr0loc.c \ + trx/trx0i_s.c \ + trx/trx0purge.c \ + trx/trx0rec.c \ + trx/trx0roll.c \ + trx/trx0rseg.c \ + trx/trx0sys.c \ + trx/trx0trx.c \ + trx/trx0undo.c \ + usr/usr0sess.c \ + ut/ut0byte.c \ + ut/ut0dbg.c \ + ut/ut0list.c \ + ut/ut0mem.c \ + ut/ut0rbt.c \ + ut/ut0rnd.c \ + ut/ut0ut.c \ + ut/ut0vec.c \ + ut/ut0wqueue.c libinnobase_a_CXXFLAGS= $(AM_CFLAGS) libinnobase_a_CFLAGS= $(AM_CFLAGS) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 747596ea6c0..7cf9857578f 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -49,6 +49,7 @@ Created 10/16/1994 Heikki Tuuri #include "row0upd.h" #ifndef UNIV_HOTBACKUP +#include "mtr0log.h" #include "page0page.h" #include "page0zip.h" #include "rem0rec.h" diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 599f78ee6ce..a9c3e7b8082 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1732,26 +1732,28 @@ lookup: if (UNIV_UNLIKELY(!bpage->zip.data)) { /* There is no compressed page. */ +err_exit: buf_pool_mutex_exit(); return(NULL); } - block_mutex = buf_page_get_mutex(bpage); - mutex_enter(block_mutex); - switch (buf_page_get_state(bpage)) { case BUF_BLOCK_NOT_USED: case BUF_BLOCK_READY_FOR_USE: case BUF_BLOCK_MEMORY: case BUF_BLOCK_REMOVE_HASH: case BUF_BLOCK_ZIP_FREE: - ut_error; break; case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: + block_mutex = &buf_pool_zip_mutex; + mutex_enter(block_mutex); bpage->buf_fix_count++; - break; + goto got_block; case BUF_BLOCK_FILE_PAGE: + block_mutex = &((buf_block_t*) bpage)->mutex; + mutex_enter(block_mutex); + /* Discard the uncompressed page frame if possible. */ if (buf_LRU_free_block(bpage, FALSE, NULL) == BUF_LRU_FREED) { @@ -1762,9 +1764,13 @@ lookup: buf_block_buf_fix_inc((buf_block_t*) bpage, __FILE__, __LINE__); - break; + goto got_block; } + ut_error; + goto err_exit; + +got_block: must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ; buf_pool_mutex_exit(); @@ -2069,6 +2075,7 @@ buf_page_get_gen( || mode == BUF_GET_NO_LATCH || mode == BUF_GET_IF_IN_POOL_OR_WATCH); ut_ad(zip_size == fil_space_get_zip_size(space)); + ut_ad(ut_is_2pow(zip_size)); #ifndef UNIV_LOG_DEBUG ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); #endif @@ -2158,12 +2165,15 @@ loop2: case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: bpage = &block->page; + /* Protect bpage->buf_fix_count. */ + mutex_enter(&buf_pool_zip_mutex); if (bpage->buf_fix_count || buf_page_get_io_fix(bpage) != BUF_IO_NONE) { /* This condition often occurs when the buffer is not buffer-fixed, but I/O-fixed by buf_page_init_for_read(). */ + mutex_exit(&buf_pool_zip_mutex); wait_until_unfixed: /* The block is buffer-fixed or I/O-fixed. Try again later. */ @@ -2175,6 +2185,7 @@ wait_until_unfixed: /* Allocate an uncompressed page. */ buf_pool_mutex_exit(); + mutex_exit(&buf_pool_zip_mutex); block = buf_LRU_get_free_block(0); ut_a(block); @@ -2247,13 +2258,13 @@ wait_until_unfixed: block->page.buf_fix_count = 1; buf_block_set_io_fix(block, BUF_IO_READ); - buf_pool->n_pend_unzip++; rw_lock_x_lock(&block->lock); UNIV_MEM_INVALID(bpage, sizeof *bpage); mutex_exit(&block->mutex); mutex_exit(&buf_pool_zip_mutex); + buf_pool->n_pend_unzip++; buf_buddy_free(bpage, sizeof *bpage); @@ -2271,10 +2282,10 @@ wait_until_unfixed: /* Unfix and unlatch the block. */ buf_pool_mutex_enter(); mutex_enter(&block->mutex); - buf_pool->n_pend_unzip--; block->page.buf_fix_count--; buf_block_set_io_fix(block, BUF_IO_NONE); mutex_exit(&block->mutex); + buf_pool->n_pend_unzip--; rw_lock_x_unlock(&block->lock); if (UNIV_UNLIKELY(!success)) { diff --git a/buf/buf0flu.c b/buf/buf0flu.c index ec776046164..e78059b92ab 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -44,6 +44,39 @@ Created 11/11/1995 Heikki Tuuri #include "os0file.h" #include "trx0sys.h" +/********************************************************************** +These statistics are generated for heuristics used in estimating the +rate at which we should flush the dirty blocks to avoid bursty IO +activity. Note that the rate of flushing not only depends on how many +dirty pages we have in the buffer pool but it is also a fucntion of +how much redo the workload is generating and at what rate. */ +/* @{ */ + +/** Number of intervals for which we keep the history of these stats. +Each interval is 1 second, defined by the rate at which +srv_error_monitor_thread() calls buf_flush_stat_update(). */ +#define BUF_FLUSH_STAT_N_INTERVAL 20 + +/** Sampled values buf_flush_stat_cur. +Not protected by any mutex. Updated by buf_flush_stat_update(). */ +static buf_flush_stat_t buf_flush_stat_arr[BUF_FLUSH_STAT_N_INTERVAL]; + +/** Cursor to buf_flush_stat_arr[]. Updated in a round-robin fashion. */ +static ulint buf_flush_stat_arr_ind; + +/** Values at start of the current interval. Reset by +buf_flush_stat_update(). */ +static buf_flush_stat_t buf_flush_stat_cur; + +/** Running sum of past values of buf_flush_stat_cur. +Updated by buf_flush_stat_update(). Not protected by any mutex. */ +static buf_flush_stat_t buf_flush_stat_sum; + +/** Number of pages flushed through non flush_list flushes. */ +static ulint buf_lru_flush_page_count = 0; + +/* @} */ + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /******************************************************************//** Validates the flush list. @@ -1321,6 +1354,13 @@ flush_next: srv_buf_pool_flushed += page_count; + /* We keep track of all flushes happening as part of LRU + flush. When estimating the desired rate at which flush_list + should be flushed we factor in this value. */ + if (flush_type == BUF_FLUSH_LRU) { + buf_lru_flush_page_count += page_count; + } + return(page_count); } @@ -1416,6 +1456,117 @@ buf_flush_free_margin(void) } } +/********************************************************************* +Update the historical stats that we are collecting for flush rate +heuristics at the end of each interval. +Flush rate heuristic depends on (a) rate of redo log generation and +(b) the rate at which LRU flush is happening. */ +UNIV_INTERN +void +buf_flush_stat_update(void) +/*=======================*/ +{ + buf_flush_stat_t* item; + ib_uint64_t lsn_diff; + ib_uint64_t lsn; + ulint n_flushed; + + lsn = log_get_lsn(); + if (buf_flush_stat_cur.redo == 0) { + /* First time around. Just update the current LSN + and return. */ + buf_flush_stat_cur.redo = lsn; + return; + } + + item = &buf_flush_stat_arr[buf_flush_stat_arr_ind]; + + /* values for this interval */ + lsn_diff = lsn - buf_flush_stat_cur.redo; + n_flushed = buf_lru_flush_page_count + - buf_flush_stat_cur.n_flushed; + + /* add the current value and subtract the obsolete entry. */ + buf_flush_stat_sum.redo += lsn_diff - item->redo; + buf_flush_stat_sum.n_flushed += n_flushed - item->n_flushed; + + /* put current entry in the array. */ + item->redo = lsn_diff; + item->n_flushed = n_flushed; + + /* update the index */ + buf_flush_stat_arr_ind++; + buf_flush_stat_arr_ind %= BUF_FLUSH_STAT_N_INTERVAL; + + /* reset the current entry. */ + buf_flush_stat_cur.redo = lsn; + buf_flush_stat_cur.n_flushed = buf_lru_flush_page_count; +} + +/********************************************************************* +Determines the fraction of dirty pages that need to be flushed based +on the speed at which we generate redo log. Note that if redo log +is generated at a significant rate without corresponding increase +in the number of dirty pages (for example, an in-memory workload) +it can cause IO bursts of flushing. This function implements heuristics +to avoid this burstiness. +@return number of dirty pages to be flushed / second */ +UNIV_INTERN +ulint +buf_flush_get_desired_flush_rate(void) +/*==================================*/ +{ + ulint redo_avg; + ulint lru_flush_avg; + ulint n_dirty; + ulint n_flush_req; + lint rate; + ib_uint64_t lsn = log_get_lsn(); + ulint log_capacity = log_get_capacity(); + + /* log_capacity should never be zero after the initialization + of log subsystem. */ + ut_ad(log_capacity != 0); + + /* Get total number of dirty pages. It is OK to access + flush_list without holding any mtex as we are using this + only for heuristics. */ + n_dirty = UT_LIST_GET_LEN(buf_pool->flush_list); + + /* An overflow can happen if we generate more than 2^32 bytes + of redo in this interval i.e.: 4G of redo in 1 second. We can + safely consider this as infinity because if we ever come close + to 4G we'll start a synchronous flush of dirty pages. */ + /* redo_avg below is average at which redo is generated in + past BUF_FLUSH_STAT_N_INTERVAL + redo generated in the current + interval. */ + redo_avg = (ulint) (buf_flush_stat_sum.redo + / BUF_FLUSH_STAT_N_INTERVAL + + (lsn - buf_flush_stat_cur.redo)); + + /* An overflow can happen possibly if we flush more than 2^32 + pages in BUF_FLUSH_STAT_N_INTERVAL. This is a very very + unlikely scenario. Even when this happens it means that our + flush rate will be off the mark. It won't affect correctness + of any subsystem. */ + /* lru_flush_avg below is rate at which pages are flushed as + part of LRU flush in past BUF_FLUSH_STAT_N_INTERVAL + the + number of pages flushed in the current interval. */ + lru_flush_avg = buf_flush_stat_sum.n_flushed + / BUF_FLUSH_STAT_N_INTERVAL + + (buf_lru_flush_page_count + - buf_flush_stat_cur.n_flushed); + + n_flush_req = (n_dirty * redo_avg) / log_capacity; + + /* The number of pages that we want to flush from the flush + list is the difference between the required rate and the + number of pages that we are historically flushing from the + LRU list */ + rate = n_flush_req - lru_flush_avg; + return(rate > 0 ? (ulint) rate : 0); +} + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /******************************************************************//** Validates the flush list. diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 504684a3489..f4105825cdc 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -456,11 +456,12 @@ buf_LRU_get_recent_limit(void) bpage = UT_LIST_GET_FIRST(buf_pool->LRU); - limit = buf_page_get_LRU_position(bpage) - len / BUF_LRU_INITIAL_RATIO; + limit = buf_page_get_LRU_position(bpage); + len /= BUF_LRU_INITIAL_RATIO; buf_pool_mutex_exit(); - return(limit); + return(limit > len ? (limit - len) : 0); } /********************************************************************//** diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 158b099abc6..74eb5604f9f 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -44,14 +44,11 @@ the accessed pages when deciding whether to read-ahead */ /** There must be at least this many pages in buf_pool in the area to start a random read-ahead */ -#define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + buf_read_ahead_random_area / 8) +#define BUF_READ_AHEAD_RANDOM_THRESHOLD (1 + BUF_READ_AHEAD_RANDOM_AREA / 2) /** The linear read-ahead area size */ #define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA -/** The linear read-ahead threshold */ -#define LINEAR_AREA_THRESHOLD_COEF 5 / 8 - /** If there are buf_pool->curr_size per the number below pending reads, then read-ahead is not done: this is to prevent flooding the buffer pool with i/o-fixed buffer blocks */ @@ -199,6 +196,9 @@ buf_read_ahead_random( ulint i; ulint buf_read_ahead_random_area; + /* We have currently disabled random readahead */ + return(0); + if (srv_startup_is_before_trx_rollback_phase) { /* No read-ahead to avoid thread deadlocks */ return(0); @@ -423,6 +423,7 @@ buf_read_ahead_linear( ulint i; const ulint buf_read_ahead_linear_area = BUF_READ_AHEAD_LINEAR_AREA; + ulint threshold; if (UNIV_UNLIKELY(srv_startup_is_before_trx_rollback_phase)) { /* No read-ahead to avoid thread deadlocks */ @@ -482,6 +483,11 @@ buf_read_ahead_linear( asc_or_desc = -1; } + /* How many out of order accessed pages can we ignore + when working out the access pattern for linear readahead */ + threshold = ut_min((64 - srv_read_ahead_threshold), + BUF_READ_AHEAD_AREA); + fail_count = 0; for (i = low; i < high; i++) { @@ -491,27 +497,27 @@ buf_read_ahead_linear( /* Not accessed */ fail_count++; - } else if (pred_bpage - && (ut_ulint_cmp( + } else if (pred_bpage) { + int res = (ut_ulint_cmp( buf_page_get_LRU_position(bpage), - buf_page_get_LRU_position(pred_bpage)) - != asc_or_desc)) { + buf_page_get_LRU_position(pred_bpage))); /* Accesses not in the right order */ + if (res != 0 && res != asc_or_desc) { + fail_count++; + } + } - fail_count++; + if (fail_count > threshold) { + /* Too many failures: return */ + buf_pool_mutex_exit(); + return(0); + } + + if (bpage && buf_page_is_accessed(bpage)) { pred_bpage = bpage; } } - if (fail_count > buf_read_ahead_linear_area - * LINEAR_AREA_THRESHOLD_COEF) { - /* Too many failures: return */ - - buf_pool_mutex_exit(); - - return(0); - } - /* If we got this far, we know that enough pages in the area have been accessed in the right order: linear read-ahead can be sensible */ @@ -746,6 +752,14 @@ buf_read_recv_pages( ulint i; zip_size = fil_space_get_zip_size(space); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* It is a single table tablespace and the .ibd file is + missing: do nothing */ + + return; + } + tablespace_version = fil_space_get_version(space); for (i = 0; i < n_stored; i++) { diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 1d8ddabd26f..d1f0e0ffc19 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1693,6 +1693,11 @@ dict_index_find_cols( } /* It is an error not to find a matching column. */ + fputs("InnoDB: Error: no matching column for ", stderr); + ut_print_name(stderr, NULL, FALSE, field->name); + fputs(" in ", stderr); + dict_index_name_print(stderr, NULL, index); + fputs("!\n", stderr); ut_error; found: @@ -2974,7 +2979,7 @@ scan_more: } else if (quote) { /* Within quotes: do not look for starting quotes or comments. */ - } else if (*sptr == '"' || *sptr == '`') { + } else if (*sptr == '"' || *sptr == '`' || *sptr == '\'') { /* Starting quote: remember the quote character. */ quote = *sptr; } else if (*sptr == '#' diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 1f7dd38e6f5..6458cbab92d 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -103,7 +103,9 @@ dict_mem_table_free( ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); ut_d(table->cached = FALSE); +#ifndef UNIV_HOTBACKUP mutex_free(&(table->autoinc_mutex)); +#endif /* UNIV_HOTBACKUP */ mem_heap_free(table->heap); } diff --git a/fil/fil0fil.c b/fil/fil0fil.c index b73dfbab6fe..6e110a717b6 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -2954,7 +2954,7 @@ fil_open_single_table_tablespace( " a temporary table #sql...,\n" "InnoDB: and MySQL removed the .ibd file for this.\n" "InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" "InnoDB: for how to resolve the issue.\n", stderr); mem_free(filepath); @@ -2996,7 +2996,7 @@ fil_open_single_table_tablespace( "InnoDB: commands DISCARD TABLESPACE and" " IMPORT TABLESPACE?\n" "InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" "InnoDB: for how to resolve the issue.\n", (ulong) space_id, (ulong) space_flags, (ulong) id, (ulong) flags); @@ -3677,7 +3677,7 @@ fil_space_for_table_exists_in_mem( } error_exit: fputs("InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" "InnoDB: for how to resolve the issue.\n", stderr); mem_free(path); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 27d16dd89ed..ce14723ba18 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -264,7 +264,8 @@ ulint fseg_n_reserved_pages_low( /*======================*/ fseg_inode_t* header, /*!< in: segment inode */ - ulint* used, /*!< out: number of pages used (<= reserved) */ + ulint* used, /*!< out: number of pages used (not + more than reserved) */ mtr_t* mtr); /*!< in: mtr handle */ /********************************************************************//** Marks a page used. The page must reside within the extents of the given @@ -2337,7 +2338,8 @@ ulint fseg_n_reserved_pages_low( /*======================*/ fseg_inode_t* inode, /*!< in: segment inode */ - ulint* used, /*!< out: number of pages used (<= reserved) */ + ulint* used, /*!< out: number of pages used (not + more than reserved) */ mtr_t* mtr) /*!< in: mtr handle */ { ulint ret; @@ -3564,45 +3566,6 @@ fseg_free_step_not_header( return(FALSE); } -/*******************************************************************//** -Frees a segment. The freeing is performed in several mini-transactions, -so that there is no danger of bufferfixing too many buffer pages. */ -UNIV_INTERN -void -fseg_free( -/*======*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no,/*!< in: page number where the segment header is - placed */ - ulint offset) /*!< in: byte offset of the segment header on that - page */ -{ - mtr_t mtr; - ibool finished; - fseg_header_t* header; - fil_addr_t addr; - - addr.page = page_no; - addr.boffset = offset; - - for (;;) { - mtr_start(&mtr); - - header = fut_get_ptr(space, zip_size, addr, RW_X_LATCH, &mtr); - - finished = fseg_free_step(header, &mtr); - - mtr_commit(&mtr); - - if (finished) { - - return; - } - } -} - /**********************************************************************//** Returns the first extent descriptor for a segment. We think of the extent lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL @@ -3758,6 +3721,7 @@ fseg_validate_low( return(TRUE); } +#ifdef UNIV_DEBUG /*******************************************************************//** Validates a segment. @return TRUE if ok */ @@ -3785,6 +3749,7 @@ fseg_validate( return(ret); } +#endif /* UNIV_DEBUG */ /*******************************************************************//** Writes info of a segment. */ diff --git a/ha/ha0ha.c b/ha/ha0ha.c index da860c619ae..cb5e541b55d 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -57,7 +57,7 @@ ha_create_func( ulint i; #endif /* !UNIV_HOTBACKUP */ - ut_ad(ut_is_2pow(n)); + ut_ad(ut_is_2pow(n_mutexes)); table = hash_create(n); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG @@ -250,28 +250,6 @@ ha_delete_hash_node( HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); } -/*************************************************************//** -Deletes an entry from a hash table. */ -UNIV_INTERN -void -ha_delete( -/*======*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of data */ - void* data) /*!< in: data, must not be NULL and must exist - in the hash table */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_search_with_data(table, fold, data); - - ut_a(node); - - ha_delete_hash_node(table, node); -} - /*********************************************************//** Looks for an element when we know the pointer to the data, and updates the pointer to data, if found. */ diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index ac939cd0580..a41eda0b1cc 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. +Copyright (c) 2008, 2009 Google Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -22,6 +22,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /* TODO list for the InnoDB handler in 5.0: - Remove the flag trx->active_trans and look at trx->conc_state @@ -41,37 +67,39 @@ Place, Suite 330, Boston, MA 02111-1307 USA #include #include +/** @file ha_innodb.cc */ + /* Include necessary InnoDB headers */ extern "C" { -#include "../storage/innobase/include/univ.i" -#include "../storage/innobase/include/btr0sea.h" -#include "../storage/innobase/include/os0file.h" -#include "../storage/innobase/include/os0thread.h" -#include "../storage/innobase/include/srv0start.h" -#include "../storage/innobase/include/srv0srv.h" -#include "../storage/innobase/include/trx0roll.h" -#include "../storage/innobase/include/trx0trx.h" -#include "../storage/innobase/include/trx0sys.h" -#include "../storage/innobase/include/mtr0mtr.h" -#include "../storage/innobase/include/row0ins.h" -#include "../storage/innobase/include/row0mysql.h" -#include "../storage/innobase/include/row0sel.h" -#include "../storage/innobase/include/row0upd.h" -#include "../storage/innobase/include/log0log.h" -#include "../storage/innobase/include/lock0lock.h" -#include "../storage/innobase/include/dict0crea.h" -#include "../storage/innobase/include/btr0cur.h" -#include "../storage/innobase/include/btr0btr.h" -#include "../storage/innobase/include/fsp0fsp.h" -#include "../storage/innobase/include/sync0sync.h" -#include "../storage/innobase/include/fil0fil.h" -#include "../storage/innobase/include/trx0xa.h" -#include "../storage/innobase/include/row0merge.h" -#include "../storage/innobase/include/thr0loc.h" -#include "../storage/innobase/include/dict0boot.h" -#include "../storage/innobase/include/ha_prototypes.h" -#include "../storage/innobase/include/ut0mem.h" -#include "../storage/innobase/include/ibuf0ibuf.h" +#include "univ.i" +#include "btr0sea.h" +#include "os0file.h" +#include "os0thread.h" +#include "srv0start.h" +#include "srv0srv.h" +#include "trx0roll.h" +#include "trx0trx.h" +#include "trx0sys.h" +#include "mtr0mtr.h" +#include "row0ins.h" +#include "row0mysql.h" +#include "row0sel.h" +#include "row0upd.h" +#include "log0log.h" +#include "lock0lock.h" +#include "dict0crea.h" +#include "btr0cur.h" +#include "btr0btr.h" +#include "fsp0fsp.h" +#include "sync0sync.h" +#include "fil0fil.h" +#include "trx0xa.h" +#include "row0merge.h" +#include "thr0loc.h" +#include "dict0boot.h" +#include "ha_prototypes.h" +#include "ut0mem.h" +#include "ibuf0ibuf.h" } #include "ha_innodb.h" @@ -124,6 +152,8 @@ static long innobase_mirrored_log_groups, innobase_log_files_in_group, innobase_force_recovery, innobase_open_files, innobase_autoinc_lock_mode; static ulong innobase_commit_concurrency = 0; +static ulong innobase_read_io_threads; +static ulong innobase_write_io_threads; static long long innobase_buffer_pool_size, innobase_log_file_size; @@ -202,8 +232,21 @@ static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root); +/** @brief Initialize the default value of innodb_commit_concurrency. + +Once InnoDB is running, the innodb_commit_concurrency must not change +from zero to nonzero. (Bug #42101) + +The initial default value is 0, and without this extra initialization, +SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter +to 0, even if it was initially set to nonzero at the command line +or configuration file. */ +static +void +innobase_commit_concurrency_init_default(void); +/*==========================================*/ + /************************************************************//** -@file handler/ha_innodb.cc Validate the file format name and return its corresponding id. @return valid file format id */ static @@ -2132,6 +2175,8 @@ innobase_change_buffering_inited_ok: srv_mem_pool_size = (ulint) innobase_additional_mem_pool_size; srv_n_file_io_threads = (ulint) innobase_file_io_threads; + srv_n_read_io_threads = (ulint) innobase_read_io_threads; + srv_n_write_io_threads = (ulint) innobase_write_io_threads; srv_force_recovery = (ulint) innobase_force_recovery; @@ -2169,6 +2214,8 @@ innobase_change_buffering_inited_ok: ut_a(0 == strcmp(my_charset_latin1.name, "latin1_swedish_ci")); srv_latin1_ordering = my_charset_latin1.sort_order; + innobase_commit_concurrency_init_default(); + /* Since we in this module access directly the fields of a trx struct, and due to different headers and flags it might happen that mutex_t has a different size in this module and in InnoDB @@ -2945,8 +2992,7 @@ ha_innobase::innobase_initialize_autoinc() dict_index_t* index; ulonglong auto_inc; const char* col_name; - ulint error = DB_SUCCESS; - dict_table_t* innodb_table = prebuilt->table; + ulint error; col_name = table->found_next_number_field->field_name; index = innobase_get_index(table->s->next_number_index); @@ -2954,22 +3000,40 @@ ha_innobase::innobase_initialize_autoinc() /* Execute SELECT MAX(col_name) FROM TABLE; */ error = row_search_max_autoinc(index, col_name, &auto_inc); - if (error == DB_SUCCESS) { + switch (error) { + case DB_SUCCESS: - /* At the this stage we dont' know the increment + /* At the this stage we don't know the increment or the offset, so use default inrement of 1. */ ++auto_inc; + break; - dict_table_autoinc_initialize(innodb_table, auto_inc); - - } else { + case DB_RECORD_NOT_FOUND: ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error: (%lu) Couldn't read " - "the MAX(%s) autoinc value from the " - "index (%s).\n", error, col_name, index->name); + fprintf(stderr, " InnoDB: MySQL and InnoDB data " + "dictionaries are out of sync.\n" + "InnoDB: Unable to find the AUTOINC column %s in the " + "InnoDB table %s.\n" + "InnoDB: We set the next AUTOINC column value to the " + "maximum possible value,\n" + "InnoDB: in effect disabling the AUTOINC next value " + "generation.\n" + "InnoDB: You can either set the next AUTOINC value " + "explicitly using ALTER TABLE\n" + "InnoDB: or fix the data dictionary by recreating " + "the table.\n", + col_name, index->table->name); + + auto_inc = 0xFFFFFFFFFFFFFFFFULL; + break; + + default: + return(error); } - return(error); + dict_table_autoinc_initialize(prebuilt->table, auto_inc); + + return(DB_SUCCESS); } /*****************************************************************//** @@ -3187,7 +3251,6 @@ retry: if (dict_table_autoinc_read(prebuilt->table) == 0) { error = innobase_initialize_autoinc(); - /* Should always succeed! */ ut_a(error == DB_SUCCESS); } @@ -6205,7 +6268,7 @@ ha_innobase::create( /* Our function row_get_mysql_key_number_for_index assumes the primary key is always number 0, if it exists */ - DBUG_ASSERT(primary_key_no == -1 || primary_key_no == 0); + ut_a(primary_key_no == -1 || primary_key_no == 0); /* Create the keys */ @@ -6938,7 +7001,7 @@ ha_innobase::info( nor the CHECK TABLE time, nor the UPDATE or INSERT time. */ if (os_file_get_status(path,&stat_info)) { - stats.create_time = stat_info.ctime; + stats.create_time = (ulong) stat_info.ctime; } } @@ -9125,6 +9188,97 @@ innobase_set_cursor_view( } +/*********************************************************************** +Check whether any of the given columns is being renamed in the table. */ +static +bool +column_is_being_renamed( +/*====================*/ + /* out: true if any of col_names is + being renamed in table */ + TABLE* table, /* in: MySQL table */ + uint n_cols, /* in: number of columns */ + const char** col_names) /* in: names of the columns */ +{ + uint j; + uint k; + Field* field; + const char* col_name; + + for (j = 0; j < n_cols; j++) { + col_name = col_names[j]; + for (k = 0; k < table->s->fields; k++) { + field = table->field[k]; + if ((field->flags & FIELD_IS_RENAMED) + && innobase_strcasecmp(field->field_name, + col_name) == 0) { + return(true); + } + } + } + + return(false); +} + +/*********************************************************************** +Check whether a column in table "table" is being renamed and if this column +is part of a foreign key, either part of another table, referencing this +table or part of this table, referencing another table. */ +static +bool +foreign_key_column_is_being_renamed( +/*================================*/ + /* out: true if a column that + participates in a foreign key definition + is being renamed */ + row_prebuilt_t* prebuilt, /* in: InnoDB prebuilt struct */ + TABLE* table) /* in: MySQL table */ +{ + dict_foreign_t* foreign; + + /* check whether there are foreign keys at all */ + if (UT_LIST_GET_LEN(prebuilt->table->foreign_list) == 0 + && UT_LIST_GET_LEN(prebuilt->table->referenced_list) == 0) { + /* no foreign keys involved with prebuilt->table */ + + return(false); + } + + row_mysql_lock_data_dictionary(prebuilt->trx); + + /* Check whether any column in the foreign key constraints which refer + to this table is being renamed. */ + for (foreign = UT_LIST_GET_FIRST(prebuilt->table->referenced_list); + foreign != NULL; + foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { + + if (column_is_being_renamed(table, foreign->n_fields, + foreign->referenced_col_names)) { + + row_mysql_unlock_data_dictionary(prebuilt->trx); + return(true); + } + } + + /* Check whether any column in the foreign key constraints in the + table is being renamed. */ + for (foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list); + foreign != NULL; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { + + if (column_is_being_renamed(table, foreign->n_fields, + foreign->foreign_col_names)) { + + row_mysql_unlock_data_dictionary(prebuilt->trx); + return(true); + } + } + + row_mysql_unlock_data_dictionary(prebuilt->trx); + + return(false); +} + UNIV_INTERN bool ha_innobase::check_if_incompatible_data( @@ -9143,9 +9297,17 @@ ha_innobase::check_if_incompatible_data( return(COMPATIBLE_DATA_NO); } + /* Check if a column participating in a foreign key is being renamed. + There is no mechanism for updating InnoDB foreign key definitions. */ + if (foreign_key_column_is_being_renamed(prebuilt, table)) { + + return COMPATIBLE_DATA_NO; + } + /* Check that row format didn't change */ - if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) && - get_row_type() != info->row_type) { + if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) + && info->row_type != ROW_TYPE_DEFAULT + && info->row_type != get_row_type()) { return(COMPATIBLE_DATA_NO); } @@ -9285,11 +9447,12 @@ innodb_file_format_name_validate( if (format_id <= DICT_TF_FORMAT_MAX) { - *(uint*) save = format_id; + *static_cast(save) = file_format_input; return(0); } } + *static_cast(save) = NULL; return(1); } @@ -9308,13 +9471,24 @@ innodb_file_format_name_update( const void* save) /*!< in: immediate result from check function */ { + const char* format_name; + ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(const uint*) save) <= DICT_TF_FORMAT_MAX); - srv_file_format = *(const uint*) save; + format_name = *static_cast(save); - *(const char**) var_ptr + if (format_name) { + uint format_id; + + format_id = innobase_file_format_name_lookup(format_name); + + if (format_id <= DICT_TF_FORMAT_MAX) { + srv_file_format = format_id; + } + } + + *static_cast(var_ptr) = trx_sys_file_format_id_to_name(srv_file_format); } @@ -9355,14 +9529,7 @@ innodb_file_format_check_validate( } else if (innobase_file_format_check_validate( file_format_input)) { - uint format_id; - - format_id = innobase_file_format_name_lookup( - file_format_input); - - ut_a(format_id <= DICT_TF_FORMAT_MAX); - - *(uint*) save = format_id; + *static_cast(save) = file_format_input; return(0); @@ -9376,6 +9543,7 @@ innodb_file_format_check_validate( } } + *static_cast(save) = NULL; return(1); } @@ -9394,19 +9562,39 @@ innodb_file_format_check_update( const void* save) /*!< in: immediate result from check function */ { - uint format_id; + const char* format_name_in; + const char** format_name_out; + uint format_id; ut_a(save != NULL); ut_a(var_ptr != NULL); - format_id = *(const uint*) save; + format_name_in = *static_cast(save); + + if (!format_name_in) { + + return; + } + + format_id = innobase_file_format_name_lookup(format_name_in); + + if (format_id > DICT_TF_FORMAT_MAX) { + /* DEFAULT is "on", which is invalid at runtime. */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, + "Ignoring SET innodb_file_format=%s", + format_name_in); + return; + } + + format_name_out = static_cast(var_ptr); /* Update the max format id in the system tablespace. */ - if (trx_sys_file_format_max_set(format_id, (const char**) var_ptr)) { + if (trx_sys_file_format_max_set(format_id, format_name_out)) { ut_print_timestamp(stderr); fprintf(stderr, " [Info] InnoDB: the file format in the system " - "tablespace is now set to %s.\n", *(char**) var_ptr); + "tablespace is now set to %s.\n", *format_name_out); } } @@ -9531,6 +9719,11 @@ static MYSQL_SYSVAR_BOOL(doublewrite, innobase_use_doublewrite, "Disable with --skip-innodb-doublewrite.", NULL, NULL, TRUE); +static MYSQL_SYSVAR_ULONG(io_capacity, srv_io_capacity, + PLUGIN_VAR_RQCMDARG, + "Number of IOPs the server can do. Tunes the background IO rate", + NULL, NULL, 200, 100, ~0L, 0); + static MYSQL_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown, PLUGIN_VAR_OPCMDARG, "Speeds up the shutdown process of the InnoDB storage engine. Possible " @@ -9594,7 +9787,12 @@ static MYSQL_SYSVAR_STR(log_group_home_dir, innobase_log_group_home_dir, static MYSQL_SYSVAR_ULONG(max_dirty_pages_pct, srv_max_buf_pool_modified_pct, PLUGIN_VAR_RQCMDARG, "Percentage of dirty pages allowed in bufferpool.", - NULL, NULL, 90, 0, 100, 0); + NULL, NULL, 75, 0, 99, 0); + +static MYSQL_SYSVAR_BOOL(adaptive_flushing, srv_adaptive_flushing, + PLUGIN_VAR_NOCMDARG, + "Attempt flushing dirty pages to avoid IO bursts at checkpoints.", + NULL, NULL, TRUE); static MYSQL_SYSVAR_ULONG(max_purge_lag, srv_max_purge_lag, PLUGIN_VAR_RQCMDARG, @@ -9636,7 +9834,7 @@ static MYSQL_SYSVAR_ULONG(replication_delay, srv_replication_delay, static MYSQL_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.", - NULL, NULL, 1*1024*1024L, 512*1024L, LONG_MAX, 1024); + NULL, NULL, 8*1024*1024L, 512*1024L, LONG_MAX, 1024); static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment, PLUGIN_VAR_RQCMDARG, @@ -9646,7 +9844,7 @@ static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment, static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", - NULL, NULL, 8*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); + NULL, NULL, 128*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); static MYSQL_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency, PLUGIN_VAR_RQCMDARG, @@ -9663,6 +9861,16 @@ static MYSQL_SYSVAR_LONG(file_io_threads, innobase_file_io_threads, "Number of file I/O threads in InnoDB.", NULL, NULL, 4, 4, 64, 0); +static MYSQL_SYSVAR_ULONG(read_io_threads, innobase_read_io_threads, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of background read I/O threads in InnoDB.", + NULL, NULL, 4, 1, 64, 0); + +static MYSQL_SYSVAR_ULONG(write_io_threads, innobase_write_io_threads, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of background write I/O threads in InnoDB.", + NULL, NULL, 4, 1, 64, 0); + static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "Helps to save your data in case the disk image of the database becomes corrupt.", @@ -9671,7 +9879,7 @@ static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, static MYSQL_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "The size of the buffer which InnoDB uses to write log to the log files on disk.", - NULL, NULL, 1024*1024L, 256*1024L, LONG_MAX, 1024); + NULL, NULL, 8*1024*1024L, 256*1024L, LONG_MAX, 1024); static MYSQL_SYSVAR_LONGLONG(log_file_size, innobase_log_file_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, @@ -9695,13 +9903,13 @@ static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, PLUGIN_VAR_RQCMDARG, - "Count of spin-loop rounds in InnoDB mutexes", - NULL, NULL, 20L, 0L, ~0L, 0); + "Count of spin-loop rounds in InnoDB mutexes (30 by default)", + NULL, NULL, 30L, 0L, ~0L, 0); static MYSQL_SYSVAR_ULONG(spin_wait_delay, srv_spin_wait_delay, PLUGIN_VAR_OPCMDARG, - "Maximum delay between polling for a spin lock (5 by default)", - NULL, NULL, 5L, 0L, ~0L, 0); + "Maximum delay between polling for a spin lock (6 by default)", + NULL, NULL, 6L, 0L, ~0L, 0); static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency, PLUGIN_VAR_RQCMDARG, @@ -9751,6 +9959,12 @@ static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, innodb_change_buffering_validate, innodb_change_buffering_update, NULL); +static MYSQL_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold, + PLUGIN_VAR_RQCMDARG, + "Number of pages that must be accessed sequentially for InnoDB to" + "trigger a readahead.", + NULL, NULL, 56, 0, 64, 0); + static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(additional_mem_pool_size), MYSQL_SYSVAR(autoextend_increment), @@ -9763,6 +9977,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(doublewrite), MYSQL_SYSVAR(fast_shutdown), MYSQL_SYSVAR(file_io_threads), + MYSQL_SYSVAR(read_io_threads), + MYSQL_SYSVAR(write_io_threads), MYSQL_SYSVAR(file_per_table), MYSQL_SYSVAR(file_format), MYSQL_SYSVAR(file_format_check), @@ -9780,6 +9996,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(log_files_in_group), MYSQL_SYSVAR(log_group_home_dir), MYSQL_SYSVAR(max_dirty_pages_pct), + MYSQL_SYSVAR(adaptive_flushing), MYSQL_SYSVAR(max_purge_lag), MYSQL_SYSVAR(mirrored_log_groups), MYSQL_SYSVAR(open_files), @@ -9801,6 +10018,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(use_sys_malloc), MYSQL_SYSVAR(use_native_aio), MYSQL_SYSVAR(change_buffering), + MYSQL_SYSVAR(read_ahead_threshold), + MYSQL_SYSVAR(io_capacity), NULL }; @@ -9828,6 +10047,24 @@ i_s_innodb_cmpmem, i_s_innodb_cmpmem_reset mysql_declare_plugin_end; +/** @brief Initialize the default value of innodb_commit_concurrency. + +Once InnoDB is running, the innodb_commit_concurrency must not change +from zero to nonzero. (Bug #42101) + +The initial default value is 0, and without this extra initialization, +SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter +to 0, even if it was initially set to nonzero at the command line +or configuration file. */ +static +void +innobase_commit_concurrency_init_default(void) +/*==========================================*/ +{ + MYSQL_SYSVAR_NAME(commit_concurrency).def_val + = innobase_commit_concurrency; +} + #ifdef UNIV_COMPILE_TEST_FUNCS typedef struct innobase_convert_name_test_struct { diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index a5b6d9e41f1..12f6099eeb3 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -647,6 +647,7 @@ ha_innobase::add_index( /* In case MySQL calls this in the middle of a SELECT query, release possible adaptive hash latch to avoid deadlocks of threads. */ trx_search_latch_release_if_reserved(prebuilt->trx); + trx_start_if_not_started(prebuilt->trx); /* Create a background transaction for the operations on the data dictionary tables. */ @@ -1136,6 +1137,7 @@ ha_innobase::final_drop_index( update_thd(); trx_search_latch_release_if_reserved(prebuilt->trx); + trx_start_if_not_started(prebuilt->trx); /* Create a background transaction for the operations on the data dictionary tables. */ diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 90992634ec9..732ce6334e2 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -230,8 +230,7 @@ ibuf_count_check( } #endif -/** @name Offsets in bits for the bits describing a single page in the -insert buffer bitmap */ +/** @name Offsets to the per-page bits in the insert buffer bitmap */ /* @{ */ #define IBUF_BITMAP_FREE 0 /*!< Bits indicating the amount of free space */ @@ -1383,13 +1382,12 @@ ibuf_dummy_index_add_col( dict_table_get_nth_col(index->table, i), len); } /********************************************************************//** -Deallocates a dummy index for inserting a record to a non-clustered index. -*/ +Deallocates a dummy index for inserting a record to a non-clustered index. */ static void ibuf_dummy_index_free( /*==================*/ - dict_index_t* index) /*!< in: dummy index */ + dict_index_t* index) /*!< in, own: dummy index */ { dict_table_t* table = index->table; diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 7eb5a388af9..7648950d5d1 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -76,6 +76,7 @@ struct buf_buddy_stat_struct { ib_uint64_t relocated_usec; }; +/** Statistics of buddy blocks of a given size. */ typedef struct buf_buddy_stat_struct buf_buddy_stat_t; /** Statistics of the buddy system, indexed by block size. diff --git a/include/buf0buf.h b/include/buf0buf.h index dbdca8657ad..d372894e046 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -247,7 +247,7 @@ buf_page_get_known_nowait( Given a tablespace id and page number tries to get that page. If the page is not in the buffer pool it is not loaded and NULL is returned. Suitable for using when holding the kernel mutex. */ - +UNIV_INTERN const buf_block_t* buf_page_try_get_func( /*==================*/ @@ -257,6 +257,12 @@ buf_page_try_get_func( ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mini-transaction */ +/** Tries to get a page. If the page is not in the buffer pool it is +not loaded. Suitable for using when holding the kernel mutex. +@param space_id in: tablespace id +@param page_no in: page number +@param mtr in: mini-transaction +@return the page if in buffer pool, NULL if not */ #define buf_page_try_get(space_id, page_no, mtr) \ buf_page_try_get_func(space_id, page_no, __FILE__, __LINE__, mtr); @@ -934,10 +940,16 @@ buf_pointer_is_block_field( /*=======================*/ const void* ptr); /*!< in: pointer not dereferenced */ -#define buf_pool_is_block_mutex(m) \ - buf_pointer_is_block_field((void *)(m)) -#define buf_pool_is_block_lock(l) \ - buf_pointer_is_block_field((void *)(l)) +/** Find out if a pointer corresponds to a buf_block_t::mutex. +@param m in: mutex candidate +@return TRUE if m is a buf_block_t::mutex */ +#define buf_pool_is_block_mutex(m) \ + buf_pointer_is_block_field((const void*)(m)) +/** Find out if a pointer corresponds to a buf_block_t::lock. +@param l in: rw-lock candidate +@return TRUE if l is a buf_block_t::lock */ +#define buf_pool_is_block_lock(l) \ + buf_pointer_is_block_field((const void*)(l)) #if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG /*********************************************************************//** @@ -951,15 +963,6 @@ buf_frame_get_page_zip( const byte* ptr); /*!< in: pointer to the page */ #endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ /********************************************************************//** -This function is used to get info if there is an io operation -going on on a buffer page. -@return TRUE if io going on */ -UNIV_INLINE -ibool -buf_page_io_query( -/*==============*/ - buf_page_t* bpage); /*!< in: pool block, must be bufferfixed */ -/********************************************************************//** Function which inits a page for read to the buffer buf_pool. If the page is (1) already in buf_pool, or (2) if we specify to read only ibuf pages and the page is not an ibuf page, or diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 5a914fc0e98..17064342116 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -779,29 +779,6 @@ buf_page_address_fold( return((space << 20) + space + offset); } -/********************************************************************//** -This function is used to get info if there is an io operation -going on on a buffer page. -@return TRUE if io going on */ -UNIV_INLINE -ibool -buf_page_io_query( -/*==============*/ - buf_page_t* bpage) /*!< in: buf_pool block, must be bufferfixed */ -{ - ibool io_fixed; - - buf_pool_mutex_enter(); - - ut_ad(buf_page_in_file(bpage)); - ut_ad(bpage->buf_fix_count > 0); - - io_fixed = buf_page_get_io_fix(bpage) != BUF_IO_NONE; - buf_pool_mutex_exit(); - - return(io_fixed); -} - /********************************************************************//** Gets the youngest modification log sequence number for a frame. Returns zero if not file page or no modification occurred yet. diff --git a/include/buf0flu.h b/include/buf0flu.h index a5b7d0c7074..74a202cb60a 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -137,6 +137,44 @@ buf_flush_ready_for_replace( /*========================*/ buf_page_t* bpage); /*!< in: buffer control block, must be buf_page_in_file(bpage) and in the LRU list */ + +/** @brief Statistics for selecting flush rate based on redo log +generation speed. + +These statistics are generated for heuristics used in estimating the +rate at which we should flush the dirty blocks to avoid bursty IO +activity. Note that the rate of flushing not only depends on how many +dirty pages we have in the buffer pool but it is also a fucntion of +how much redo the workload is generating and at what rate. */ + +struct buf_flush_stat_struct +{ + ib_uint64_t redo; /**< amount of redo generated. */ + ulint n_flushed; /**< number of pages flushed. */ +}; + +/** Statistics for selecting flush rate of dirty pages. */ +typedef struct buf_flush_stat_struct buf_flush_stat_t; +/********************************************************************* +Update the historical stats that we are collecting for flush rate +heuristics at the end of each interval. */ +UNIV_INTERN +void +buf_flush_stat_update(void); +/*=======================*/ +/********************************************************************* +Determines the fraction of dirty pages that need to be flushed based +on the speed at which we generate redo log. Note that if redo log +is generated at significant rate without a corresponding increase +in the number of dirty pages (for example, an in-memory workload) +it can cause IO bursts of flushing. This function implements heuristics +to avoid this burstiness. +@return number of dirty pages to be flushed / second */ +UNIV_INTERN +ulint +buf_flush_get_desired_flush_rate(void); +/*==================================*/ + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /******************************************************************//** Validates the flush list. diff --git a/include/buf0lru.h b/include/buf0lru.h index 32c61660d0f..463aca0982c 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -68,10 +68,10 @@ buf_LRU_buf_pool_running_out(void); These are low-level functions #########################################################################*/ -/* Minimum LRU list length for which the LRU_old pointer is defined */ - +/** Minimum LRU list length for which the LRU_old pointer is defined */ #define BUF_LRU_OLD_MIN_LEN 80 +/** Maximum LRU list search length in buf_flush_LRU_recommendation() */ #define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) /******************************************************************//** @@ -227,18 +227,18 @@ buf_LRU_print(void); /*===============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ -/******************************************************************//** +/** @brief Statistics for selecting the LRU list for eviction. + These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O and page_zip_decompress() operations. Based on the statistics we decide if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */ - -/** Statistics for selecting the LRU list for eviction. */ struct buf_LRU_stat_struct { ulint io; /**< Counter of buffer pool I/O operations. */ ulint unzip; /**< Counter of page_zip_decompress operations. */ }; +/** Statistics for selecting the LRU list for eviction. */ typedef struct buf_LRU_stat_struct buf_LRU_stat_t; /** Current operation counters. Not protected by any mutex. diff --git a/include/buf0rea.h b/include/buf0rea.h index 781f99f2fa3..b4d25e6fde0 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -124,14 +124,16 @@ buf_read_recv_pages( ulint n_stored); /*!< in: number of page numbers in the array */ -/* The size in pages of the area which the read-ahead algorithms read if +/** The size in pages of the area which the read-ahead algorithms read if invoked */ - #define BUF_READ_AHEAD_AREA \ ut_min(64, ut_2_power_up(buf_pool->curr_size / 32)) -/* Modes used in read-ahead */ +/** @name Modes used in read-ahead @{ */ +/** read only pages belonging to the insert buffer tree */ #define BUF_READ_IBUF_PAGES_ONLY 131 +/** read any page */ #define BUF_READ_ANY_PAGE 132 +/* @} */ #endif diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index d6c61b1338f..5f7dc58eedc 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -32,37 +32,7 @@ Created 12/18/1995 Heikki Tuuri #include "fut0lst.h" #include "ut0byte.h" #include "page0types.h" - -/** If records are inserted in order, there are the following -flags to tell this (their type is made byte for the compiler -to warn if direction and hint parameters are switched in -fseg_alloc_free_page): */ -/* @{ */ -#define FSP_UP ((byte)111) /*!< alphabetically upwards */ -#define FSP_DOWN ((byte)112) /*!< alphabetically downwards */ -#define FSP_NO_DIR ((byte)113) /*!< no order */ -/* @} */ - -/** File space extent size (one megabyte) in pages */ -#define FSP_EXTENT_SIZE (1 << (20 - UNIV_PAGE_SIZE_SHIFT)) - -/** On a page of any file segment, data may be put starting from this -offset */ -#define FSEG_PAGE_DATA FIL_PAGE_DATA - -/** File segment header which points to the inode describing the file -segment */ -/* @{ */ -/** Data type for file segment header */ -typedef byte fseg_header_t; - -#define FSEG_HDR_SPACE 0 /*!< space id of the inode */ -#define FSEG_HDR_PAGE_NO 4 /*!< page number of the inode */ -#define FSEG_HDR_OFFSET 8 /*!< byte offset of the inode */ - -#define FSEG_HEADER_SIZE 10 /*!< Length of the file system - header, in bytes */ -/* @} */ +#include "fsp0types.h" /**********************************************************************//** Initializes the file space system. */ @@ -299,20 +269,6 @@ fseg_free_page( ulint space, /*!< in: space id */ ulint page, /*!< in: page offset */ mtr_t* mtr); /*!< in: mtr handle */ -/*******************************************************************//** -Frees a segment. The freeing is performed in several mini-transactions, -so that there is no danger of bufferfixing too many buffer pages. */ -UNIV_INTERN -void -fseg_free( -/*======*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no,/*!< in: page number where the segment header is - placed */ - ulint offset);/*!< in: byte offset of the segment header on that - page */ /**********************************************************************//** Frees part of a segment. This function can be used to free a segment by repeatedly calling this function in different mini-transactions. @@ -374,6 +330,7 @@ void fsp_print( /*======*/ ulint space); /*!< in: space id */ +#ifdef UNIV_DEBUG /*******************************************************************//** Validates a segment. @return TRUE if ok */ @@ -382,7 +339,8 @@ ibool fseg_validate( /*==========*/ fseg_header_t* header, /*!< in: segment header */ - mtr_t* mtr2); /*!< in: mtr */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* UNIV_DEBUG */ #ifdef UNIV_BTR_PRINT /*******************************************************************//** Writes info of a segment. */ @@ -394,41 +352,6 @@ fseg_print( mtr_t* mtr); /*!< in: mtr */ #endif /* UNIV_BTR_PRINT */ -/* Flags for fsp_reserve_free_extents */ -#define FSP_NORMAL 1000000 -#define FSP_UNDO 2000000 -#define FSP_CLEANING 3000000 - -/* Number of pages described in a single descriptor page: currently each page -description takes less than 1 byte; a descriptor page is repeated every -this many file pages */ -/* #define XDES_DESCRIBED_PER_PAGE UNIV_PAGE_SIZE */ -/* This has been replaced with either UNIV_PAGE_SIZE or page_zip->size. */ - -/* The space low address page map */ -/*--------------------------------------*/ - /* The following two pages are repeated - every XDES_DESCRIBED_PER_PAGE pages in - every tablespace. */ -#define FSP_XDES_OFFSET 0 /* extent descriptor */ -#define FSP_IBUF_BITMAP_OFFSET 1 /* insert buffer bitmap */ - /* The ibuf bitmap pages are the ones whose - page number is the number above plus a - multiple of XDES_DESCRIBED_PER_PAGE */ - -#define FSP_FIRST_INODE_PAGE_NO 2 /* in every tablespace */ - /* The following pages exist - in the system tablespace (space 0). */ -#define FSP_IBUF_HEADER_PAGE_NO 3 /* in tablespace 0 */ -#define FSP_IBUF_TREE_ROOT_PAGE_NO 4 /* in tablespace 0 */ - /* The ibuf tree root page number in - tablespace 0; its fseg inode is on the page - number FSP_FIRST_INODE_PAGE_NO */ -#define FSP_TRX_SYS_PAGE_NO 5 /* in tablespace 0 */ -#define FSP_FIRST_RSEG_PAGE_NO 6 /* in tablespace 0 */ -#define FSP_DICT_HDR_PAGE_NO 7 /* in tablespace 0 */ -/*--------------------------------------*/ - #ifndef UNIV_NONINL #include "fsp0fsp.ic" #endif diff --git a/include/fsp0types.h b/include/fsp0types.h new file mode 100644 index 00000000000..496081c2346 --- /dev/null +++ b/include/fsp0types.h @@ -0,0 +1,110 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/****************************************************** +@file include/fsp0types.h +File space management types + +Created May 26, 2009 Vasil Dimov +*******************************************************/ + +#ifndef fsp0types_h +#define fsp0types_h + +#include "univ.i" + +#include "fil0fil.h" /* for FIL_PAGE_DATA */ + +/** @name Flags for inserting records in order +If records are inserted in order, there are the following +flags to tell this (their type is made byte for the compiler +to warn if direction and hint parameters are switched in +fseg_alloc_free_page) */ +/* @{ */ +#define FSP_UP ((byte)111) /*!< alphabetically upwards */ +#define FSP_DOWN ((byte)112) /*!< alphabetically downwards */ +#define FSP_NO_DIR ((byte)113) /*!< no order */ +/* @} */ + +/** File space extent size (one megabyte) in pages */ +#define FSP_EXTENT_SIZE (1 << (20 - UNIV_PAGE_SIZE_SHIFT)) + +/** On a page of any file segment, data may be put starting from this +offset */ +#define FSEG_PAGE_DATA FIL_PAGE_DATA + +/** @name File segment header +The file segment header points to the inode describing the file segment. */ +/* @{ */ +/** Data type for file segment header */ +typedef byte fseg_header_t; + +#define FSEG_HDR_SPACE 0 /*!< space id of the inode */ +#define FSEG_HDR_PAGE_NO 4 /*!< page number of the inode */ +#define FSEG_HDR_OFFSET 8 /*!< byte offset of the inode */ + +#define FSEG_HEADER_SIZE 10 /*!< Length of the file system + header, in bytes */ +/* @} */ + +/** Flags for fsp_reserve_free_extents @{ */ +#define FSP_NORMAL 1000000 +#define FSP_UNDO 2000000 +#define FSP_CLEANING 3000000 +/* @} */ + +/* Number of pages described in a single descriptor page: currently each page +description takes less than 1 byte; a descriptor page is repeated every +this many file pages */ +/* #define XDES_DESCRIBED_PER_PAGE UNIV_PAGE_SIZE */ +/* This has been replaced with either UNIV_PAGE_SIZE or page_zip->size. */ + +/** @name The space low address page map +The pages at FSP_XDES_OFFSET and FSP_IBUF_BITMAP_OFFSET are repeated +every XDES_DESCRIBED_PER_PAGE pages in every tablespace. */ +/* @{ */ +/*--------------------------------------*/ +#define FSP_XDES_OFFSET 0 /* !< extent descriptor */ +#define FSP_IBUF_BITMAP_OFFSET 1 /* !< insert buffer bitmap */ + /* The ibuf bitmap pages are the ones whose + page number is the number above plus a + multiple of XDES_DESCRIBED_PER_PAGE */ + +#define FSP_FIRST_INODE_PAGE_NO 2 /*!< in every tablespace */ + /* The following pages exist + in the system tablespace (space 0). */ +#define FSP_IBUF_HEADER_PAGE_NO 3 /*!< insert buffer + header page, in + tablespace 0 */ +#define FSP_IBUF_TREE_ROOT_PAGE_NO 4 /*!< insert buffer + B-tree root page in + tablespace 0 */ + /* The ibuf tree root page number in + tablespace 0; its fseg inode is on the page + number FSP_FIRST_INODE_PAGE_NO */ +#define FSP_TRX_SYS_PAGE_NO 5 /*!< transaction + system header, in + tablespace 0 */ +#define FSP_FIRST_RSEG_PAGE_NO 6 /*!< first rollback segment + page, in tablespace 0 */ +#define FSP_DICT_HDR_PAGE_NO 7 /*!< data dictionary header + page, in tablespace 0 */ +/*--------------------------------------*/ +/* @} */ + +#endif /* fsp0types_h */ diff --git a/include/ha0ha.h b/include/ha0ha.h index f4ec01dd88a..1ffbd3440aa 100644 --- a/include/ha0ha.h +++ b/include/ha0ha.h @@ -164,16 +164,6 @@ is inserted. # define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,d) #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/*************************************************************//** -Deletes an entry from a hash table. */ -UNIV_INTERN -void -ha_delete( -/*======*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of data */ - void* data); /*!< in: data, must not be NULL and must exist - in the hash table */ /*********************************************************//** Looks for an element when we know the pointer to the data and deletes it from the hash table if found. diff --git a/include/lock0lock.h b/include/lock0lock.h index 727e30d49dd..fa5db831d4f 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -461,14 +461,6 @@ lock_table( dict_table_t* table, /*!< in: database table in dictionary cache */ enum lock_mode mode, /*!< in: lock mode */ que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Checks if there are any locks set on the table. -@return TRUE if there are lock(s) */ -UNIV_INTERN -ibool -lock_is_on_table( -/*=============*/ - dict_table_t* table); /*!< in: database table in dictionary cache */ /*************************************************************//** Removes a granted record lock of a transaction from the queue and grants locks to other transactions waiting in the queue if they now are entitled @@ -483,14 +475,6 @@ lock_rec_unlock( const rec_t* rec, /*!< in: record */ enum lock_mode lock_mode);/*!< in: LOCK_S or LOCK_X */ /*********************************************************************//** -Releases a table lock. -Releases possible other transactions waiting for this lock. */ -UNIV_INTERN -void -lock_table_unlock( -/*==============*/ - lock_t* lock); /*!< in: lock */ -/*********************************************************************//** Releases transaction locks, and releases possible other transactions waiting because of these locks. */ UNIV_INTERN diff --git a/include/log0log.h b/include/log0log.h index b6e01539d61..059f548a085 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -14,6 +14,30 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*****************************************************************************/ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + *****************************************************************************/ /**************************************************//** @@ -145,6 +169,14 @@ UNIV_INLINE ib_uint64_t log_get_lsn(void); /*=============*/ +/**************************************************************** +Gets the log group capacity. It is OK to read the value without +holding log_sys->mutex because it is constant. +@return log group capacity */ +UNIV_INLINE +ulint +log_get_capacity(void); +/*==================*/ /******************************************************//** Initializes the log. */ UNIV_INTERN @@ -199,6 +231,16 @@ void log_buffer_flush_to_disk(void); /*==========================*/ /****************************************************************//** +This functions writes the log buffer to the log file and if 'flush' +is set it forces a flush of the log file as well. This is meant to be +called from background master thread only as it does not wait for +the write (+ possible flush) to finish. */ +UNIV_INTERN +void +log_buffer_sync_in_background( +/*==========================*/ + ibool flush); /*mutex because it is constant. +@return log group capacity */ +UNIV_INLINE +ulint +log_get_capacity(void) +/*==================*/ +{ + return(log_sys->log_group_capacity); +} + /***********************************************************************//** Checks if there is need for a log buffer flush or a new checkpoint, and does this if yes. Any database operation should call this when it has modified diff --git a/include/mem0mem.h b/include/mem0mem.h index c54a46b576d..db75dd5f43c 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -312,19 +312,6 @@ mem_heap_dup( const void* data, /*!< in: data to be copied */ ulint len); /*!< in: length of data, in bytes */ -/**********************************************************************//** -Concatenate two memory blocks and return the result, using a memory heap. -@return own: the result */ -UNIV_INTERN -void* -mem_heap_cat( -/*=========*/ - mem_heap_t* heap, /*!< in: memory heap where result is allocated */ - const void* b1, /*!< in: block 1 */ - ulint len1, /*!< in: length of b1, in bytes */ - const void* b2, /*!< in: block 2 */ - ulint len2); /*!< in: length of b2, in bytes */ - /****************************************************************//** A simple (s)printf replacement that dynamically allocates the space for the formatted string from the given heap. This supports a very limited set of diff --git a/include/mtr0log.h b/include/mtr0log.h index 0ed89d0a0a0..6322af2a569 100644 --- a/include/mtr0log.h +++ b/include/mtr0log.h @@ -168,7 +168,7 @@ mlog_write_initial_log_record_fast( mtr_t* mtr); /*!< in: mtr */ #else /* !UNIV_HOTBACKUP */ # define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) -# define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((void) 0) +# define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((byte *) 0) #endif /* !UNIV_HOTBACKUP */ /********************************************************//** Parses an initial log record written by mlog_write_initial_log_record. @@ -218,7 +218,7 @@ byte* mlog_open_and_write_index( /*======================*/ mtr_t* mtr, /*!< in: mtr */ - byte* rec, /*!< in: index record or page */ + const byte* rec, /*!< in: index record or page */ dict_index_t* index, /*!< in: record descriptor */ byte type, /*!< in: log item type */ ulint size); /*!< in: requested buffer size in bytes diff --git a/include/mtr0log.ic b/include/mtr0log.ic index 646b329fa1b..5c24c38b337 100644 --- a/include/mtr0log.ic +++ b/include/mtr0log.ic @@ -23,10 +23,11 @@ Mini-transaction logging routines Created 12/7/1995 Heikki Tuuri *******************************************************/ -#ifndef UNIV_HOTBACKUP #include "mach0data.h" #include "ut0lst.h" #include "buf0buf.h" +#include "fsp0types.h" +#include "trx0sys.h" /********************************************************//** Opens a buffer to mlog. It must be closed with mlog_close. @@ -71,6 +72,7 @@ mlog_close( dyn_array_close(mlog, ptr); } +#ifndef UNIV_HOTBACKUP /********************************************************//** Catenates 1 - 4 bytes to the mtr log. The value is not compressed. */ UNIV_INLINE @@ -195,6 +197,28 @@ mlog_write_initial_log_record_fast( space = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); offset = mach_read_from_4(page + FIL_PAGE_OFFSET); + /* check whether the page is in the doublewrite buffer; + the doublewrite buffer is located in pages + FSP_EXTENT_SIZE, ..., 3 * FSP_EXTENT_SIZE - 1 in the + system tablespace */ + if (space == TRX_SYS_SPACE + && offset >= FSP_EXTENT_SIZE && offset < 3 * FSP_EXTENT_SIZE) { + if (trx_doublewrite_buf_is_being_created) { + /* Do nothing: we only come to this branch in an + InnoDB database creation. We do not redo log + anything for the doublewrite buffer pages. */ + return(log_ptr); + } else { + fprintf(stderr, + "Error: trying to redo log a record of type " + "%d on page %lu of space %lu in the " + "doublewrite buffer, continuing anyway.\n" + "Please post a bug report to " + "bugs.mysql.com.\n", + type, offset, space); + } + } + mach_write_to_1(log_ptr, type); log_ptr++; log_ptr += mach_write_compressed(log_ptr, space); diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 1e9b78c3356..69a2c03f4cb 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -54,118 +54,137 @@ first 3 values must be RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ #define MTR_MEMO_S_LOCK 55 #define MTR_MEMO_X_LOCK 56 -/* Log item types: we have made them to be of the type 'byte' -for the compiler to warn if val and type parameters are switched -in a call to mlog_write_ulint. NOTE! For 1 - 8 bytes, the -flag value must give the length also! */ -#define MLOG_SINGLE_REC_FLAG 128 /* if the mtr contains only +/** @name Log item types +The log items are declared 'byte' so that the compiler can warn if val +and type parameters are switched in a call to mlog_write_ulint. NOTE! +For 1 - 8 bytes, the flag value must give the length also! @{ */ +#define MLOG_SINGLE_REC_FLAG 128 /*!< if the mtr contains only one log record for one page, i.e., write_initial_log_record has been called only once, this flag is ORed to the type of that first log record */ -#define MLOG_1BYTE (1) /* one byte is written */ -#define MLOG_2BYTES (2) /* 2 bytes ... */ -#define MLOG_4BYTES (4) /* 4 bytes ... */ -#define MLOG_8BYTES (8) /* 8 bytes ... */ -#define MLOG_REC_INSERT ((byte)9) /* record insert */ -#define MLOG_REC_CLUST_DELETE_MARK ((byte)10) /* mark clustered index record +#define MLOG_1BYTE (1) /*!< one byte is written */ +#define MLOG_2BYTES (2) /*!< 2 bytes ... */ +#define MLOG_4BYTES (4) /*!< 4 bytes ... */ +#define MLOG_8BYTES (8) /*!< 8 bytes ... */ +#define MLOG_REC_INSERT ((byte)9) /*!< record insert */ +#define MLOG_REC_CLUST_DELETE_MARK ((byte)10) /*!< mark clustered index record deleted */ -#define MLOG_REC_SEC_DELETE_MARK ((byte)11) /* mark secondary index record +#define MLOG_REC_SEC_DELETE_MARK ((byte)11) /*!< mark secondary index record deleted */ -#define MLOG_REC_UPDATE_IN_PLACE ((byte)13) /* update of a record, +#define MLOG_REC_UPDATE_IN_PLACE ((byte)13) /*!< update of a record, preserves record field sizes */ -#define MLOG_REC_DELETE ((byte)14) /* delete a record from a +#define MLOG_REC_DELETE ((byte)14) /*!< delete a record from a page */ -#define MLOG_LIST_END_DELETE ((byte)15) /* delete record list end on +#define MLOG_LIST_END_DELETE ((byte)15) /*!< delete record list end on index page */ -#define MLOG_LIST_START_DELETE ((byte)16) /* delete record list start on +#define MLOG_LIST_START_DELETE ((byte)16) /*!< delete record list start on index page */ -#define MLOG_LIST_END_COPY_CREATED ((byte)17) /* copy record list end to a +#define MLOG_LIST_END_COPY_CREATED ((byte)17) /*!< copy record list end to a new created index page */ -#define MLOG_PAGE_REORGANIZE ((byte)18) /* reorganize an index page */ -#define MLOG_PAGE_CREATE ((byte)19) /* create an index page */ -#define MLOG_UNDO_INSERT ((byte)20) /* insert entry in an undo +#define MLOG_PAGE_REORGANIZE ((byte)18) /*!< reorganize an + index page in + ROW_FORMAT=REDUNDANT */ +#define MLOG_PAGE_CREATE ((byte)19) /*!< create an index page */ +#define MLOG_UNDO_INSERT ((byte)20) /*!< insert entry in an undo log */ -#define MLOG_UNDO_ERASE_END ((byte)21) /* erase an undo log +#define MLOG_UNDO_ERASE_END ((byte)21) /*!< erase an undo log page end */ -#define MLOG_UNDO_INIT ((byte)22) /* initialize a page in an +#define MLOG_UNDO_INIT ((byte)22) /*!< initialize a page in an undo log */ -#define MLOG_UNDO_HDR_DISCARD ((byte)23) /* discard an update undo log +#define MLOG_UNDO_HDR_DISCARD ((byte)23) /*!< discard an update undo log header */ -#define MLOG_UNDO_HDR_REUSE ((byte)24) /* reuse an insert undo log +#define MLOG_UNDO_HDR_REUSE ((byte)24) /*!< reuse an insert undo log header */ -#define MLOG_UNDO_HDR_CREATE ((byte)25) /* create an undo log header */ -#define MLOG_REC_MIN_MARK ((byte)26) /* mark an index record as the - predefined minimum record */ -#define MLOG_IBUF_BITMAP_INIT ((byte)27) /* initialize an ibuf bitmap - page */ +#define MLOG_UNDO_HDR_CREATE ((byte)25) /*!< create an undo + log header */ +#define MLOG_REC_MIN_MARK ((byte)26) /*!< mark an index + record as the + predefined minimum + record */ +#define MLOG_IBUF_BITMAP_INIT ((byte)27) /*!< initialize an + ibuf bitmap page */ /*#define MLOG_FULL_PAGE ((byte)28) full contents of a page */ -#define MLOG_INIT_FILE_PAGE ((byte)29) /* this means that a file page - is taken into use and the prior - contents of the page should be - ignored: in recovery we must - not trust the lsn values stored - to the file page */ -#define MLOG_WRITE_STRING ((byte)30) /* write a string to a page */ -#define MLOG_MULTI_REC_END ((byte)31) /* if a single mtr writes +#define MLOG_INIT_FILE_PAGE ((byte)29) /*!< this means that a + file page is taken + into use and the prior + contents of the page + should be ignored: in + recovery we must not + trust the lsn values + stored to the file + page */ +#define MLOG_WRITE_STRING ((byte)30) /*!< write a string to + a page */ +#define MLOG_MULTI_REC_END ((byte)31) /*!< if a single mtr writes log records for several pages, this log record ends the sequence of these records */ -#define MLOG_DUMMY_RECORD ((byte)32) /* dummy log record used to +#define MLOG_DUMMY_RECORD ((byte)32) /*!< dummy log record used to pad a log block full */ -#define MLOG_FILE_CREATE ((byte)33) /* log record about an .ibd +#define MLOG_FILE_CREATE ((byte)33) /*!< log record about an .ibd file creation */ -#define MLOG_FILE_RENAME ((byte)34) /* log record about an .ibd +#define MLOG_FILE_RENAME ((byte)34) /*!< log record about an .ibd file rename */ -#define MLOG_FILE_DELETE ((byte)35) /* log record about an .ibd +#define MLOG_FILE_DELETE ((byte)35) /*!< log record about an .ibd file deletion */ -#define MLOG_COMP_REC_MIN_MARK ((byte)36) /* mark a compact index record - as the predefined minimum +#define MLOG_COMP_REC_MIN_MARK ((byte)36) /*!< mark a compact + index record as the + predefined minimum record */ -#define MLOG_COMP_PAGE_CREATE ((byte)37) /* create a compact +#define MLOG_COMP_PAGE_CREATE ((byte)37) /*!< create a compact index page */ -#define MLOG_COMP_REC_INSERT ((byte)38) /* compact record insert */ +#define MLOG_COMP_REC_INSERT ((byte)38) /*!< compact record insert */ #define MLOG_COMP_REC_CLUST_DELETE_MARK ((byte)39) - /* mark compact clustered index - record deleted */ -#define MLOG_COMP_REC_SEC_DELETE_MARK ((byte)40)/* mark compact secondary index - record deleted; this log - record type is redundant, as - MLOG_REC_SEC_DELETE_MARK is - independent of the record - format. */ -#define MLOG_COMP_REC_UPDATE_IN_PLACE ((byte)41)/* update of a compact record, - preserves record field sizes */ -#define MLOG_COMP_REC_DELETE ((byte)42) /* delete a compact record + /*!< mark compact + clustered index record + deleted */ +#define MLOG_COMP_REC_SEC_DELETE_MARK ((byte)40)/*!< mark compact + secondary index record + deleted; this log + record type is + redundant, as + MLOG_REC_SEC_DELETE_MARK + is independent of the + record format. */ +#define MLOG_COMP_REC_UPDATE_IN_PLACE ((byte)41)/*!< update of a + compact record, + preserves record field + sizes */ +#define MLOG_COMP_REC_DELETE ((byte)42) /*!< delete a compact record from a page */ -#define MLOG_COMP_LIST_END_DELETE ((byte)43) /* delete compact record list +#define MLOG_COMP_LIST_END_DELETE ((byte)43) /*!< delete compact record list end on index page */ -#define MLOG_COMP_LIST_START_DELETE ((byte)44) /* delete compact record list +#define MLOG_COMP_LIST_START_DELETE ((byte)44) /*!< delete compact record list start on index page */ #define MLOG_COMP_LIST_END_COPY_CREATED ((byte)45) - /* copy compact record list end - to a new created index page */ -#define MLOG_COMP_PAGE_REORGANIZE ((byte)46) /* reorganize an index page */ -#define MLOG_FILE_CREATE2 ((byte)47) /* log record about creating + /*!< copy compact + record list end to a + new created index + page */ +#define MLOG_COMP_PAGE_REORGANIZE ((byte)46) /*!< reorganize an index page */ +#define MLOG_FILE_CREATE2 ((byte)47) /*!< log record about creating an .ibd file, with format */ -#define MLOG_ZIP_WRITE_NODE_PTR ((byte)48) /* write the node pointer of +#define MLOG_ZIP_WRITE_NODE_PTR ((byte)48) /*!< write the node pointer of a record on a compressed non-leaf B-tree page */ -#define MLOG_ZIP_WRITE_BLOB_PTR ((byte)49) /* write the BLOB pointer +#define MLOG_ZIP_WRITE_BLOB_PTR ((byte)49) /*!< write the BLOB pointer of an externally stored column on a compressed page */ -#define MLOG_ZIP_WRITE_HEADER ((byte)50) /* write to compressed page +#define MLOG_ZIP_WRITE_HEADER ((byte)50) /*!< write to compressed page header */ -#define MLOG_ZIP_PAGE_COMPRESS ((byte)51) /* compress an index page */ -#define MLOG_BIGGEST_TYPE ((byte)51) /* biggest value (used in - asserts) */ +#define MLOG_ZIP_PAGE_COMPRESS ((byte)51) /*!< compress an index page */ +#define MLOG_BIGGEST_TYPE ((byte)51) /*!< biggest value (used in + assertions) */ +/* @} */ -/* Flags for MLOG_FILE operations (stored in the page number -parameter, called log_flags in the functions). The page number -parameter was initially written as 0. */ -#define MLOG_FILE_FLAG_TEMP 1 /* identifies TEMPORARY TABLE in +/** @name Flags for MLOG_FILE operations +(stored in the page number parameter, called log_flags in the +functions). The page number parameter was originally written as 0. @{ */ +#define MLOG_FILE_FLAG_TEMP 1 /*!< identifies TEMPORARY TABLE in MLOG_FILE_CREATE, MLOG_FILE_CREATE2 */ +/* @} */ /***************************************************************//** Starts a mini-transaction and creates a mini-transaction handle diff --git a/include/os0file.h b/include/os0file.h index baa4c6c7344..caa9cff145f 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -15,6 +15,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /**************************************************//** @file include/os0file.h @@ -393,6 +419,7 @@ ibool os_file_close( /*==========*/ os_file_t file); /*!< in, own: handle to a file */ +#ifdef UNIV_HOTBACKUP /***********************************************************************//** Closes a file handle. @return TRUE if success */ @@ -401,6 +428,7 @@ ibool os_file_close_no_error_handling( /*============================*/ os_file_t file); /*!< in, own: handle to a file */ +#endif /* UNIV_HOTBACKUP */ /***********************************************************************//** Gets a file size. @return TRUE if success */ @@ -569,24 +597,23 @@ ibool os_file_create_subdirs_if_needed( /*=============================*/ const char* path); /*!< in: path name */ -/************************************************************************//** -Initializes the asynchronous io system. Creates separate aio array for -non-ibuf read and write, a third aio array for the ibuf i/o, with just one -segment, two aio arrays for log reads and writes with one segment, and a -synchronous aio array of the specified size. The combined number of segments -in the three first aio arrays is the parameter n_segments given to the -function. The caller must create an i/o handler thread for each segment in -the four first arrays, but not for the sync aio array. -@return TRUE on success. */ +/*********************************************************************** +Initializes the asynchronous io system. Creates one array each for ibuf +and log i/o. Also creates one array each for read and write where each +array is divided logically into n_read_segs and n_write_segs +respectively. The caller must create an i/o handler thread for each +segment in these arrays. This function also creates the sync array. +No i/o handler thread needs to be created for that */ UNIV_INTERN ibool os_aio_init( /*========*/ - ulint n, /*!< in: maximum number of pending aio operations - allowed; n must be divisible by n_segments */ - ulint n_segments, /*!< in: combined number of segments in the four - first aio arrays; must be >= 4 */ - ulint n_slots_sync); /*!< in: number of slots in the sync aio array */ + ulint n_per_seg, /*data) #endif /* !UNIV_HOTBACKUP */ diff --git a/include/page0zip.ic b/include/page0zip.ic index cb819030572..75cc7a9fcc4 100644 --- a/include/page0zip.ic +++ b/include/page0zip.ic @@ -98,15 +98,15 @@ In summary, the compressed page looks like this: - deleted records (free list) in link order */ -/* Start offset of the area that will be compressed */ +/** Start offset of the area that will be compressed */ #define PAGE_ZIP_START PAGE_NEW_SUPREMUM_END -/* Size of an compressed page directory entry */ +/** Size of an compressed page directory entry */ #define PAGE_ZIP_DIR_SLOT_SIZE 2 -/* Mask of record offsets */ +/** Mask of record offsets */ #define PAGE_ZIP_DIR_SLOT_MASK 0x3fff -/* 'owned' flag */ +/** 'owned' flag */ #define PAGE_ZIP_DIR_SLOT_OWNED 0x4000 -/* 'deleted' flag */ +/** 'deleted' flag */ #define PAGE_ZIP_DIR_SLOT_DEL 0x8000 /**********************************************************************//** diff --git a/include/que0que.h b/include/que0que.h index 871f42f6d87..420f34550e2 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -93,16 +93,6 @@ que_thr_create( que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ mem_heap_t* heap); /*!< in: memory heap where created */ /**********************************************************************//** -Checks if the query graph is in a state where it should be freed, and -frees it in that case. If the session is in a state where it should be -closed, also this is done. -@return TRUE if freed */ -UNIV_INTERN -ibool -que_graph_try_free( -/*===============*/ - que_t* graph); /*!< in: query graph */ -/**********************************************************************//** Frees a query graph, but not the heap where it was created. Does not free explicit cursor declarations, they are freed in que_graph_free. */ UNIV_INTERN diff --git a/include/row0row.h b/include/row0row.h index 2162768c1f6..185dc0906a3 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -215,21 +215,6 @@ row_build_row_ref_in_tuple( or NULL */ trx_t* trx); /*!< in: transaction */ /*******************************************************************//** -From a row build a row reference with which we can search the clustered -index record. */ -UNIV_INTERN -void -row_build_row_ref_from_row( -/*=======================*/ - dtuple_t* ref, /*!< in/out: row reference built; - see the NOTE below! - ref must have the right number - of fields! */ - const dict_table_t* table, /*!< in: table */ - const dtuple_t* row); /*!< in: row - NOTE: the data fields in ref will point - directly into data of this row */ -/*******************************************************************//** Builds from a secondary index record a row reference with which we can search the clustered index record. */ UNIV_INLINE diff --git a/include/srv0que.h b/include/srv0que.h index 413fff19143..82ee7739ef7 100644 --- a/include/srv0que.h +++ b/include/srv0que.h @@ -30,34 +30,8 @@ Created 6/5/1996 Heikki Tuuri #include "que0types.h" /**********************************************************************//** -Checks if there is work to do in the server task queue. If there is, the -thread starts processing a task. Before leaving, it again checks the task -queue and picks a new task if any exists. This is called by a SRV_WORKER -thread. */ -UNIV_INTERN -void -srv_que_task_queue_check(void); -/*==========================*/ -/**********************************************************************//** -Performs round-robin on the server tasks. This is called by a SRV_WORKER -thread every second or so. -@return the new (may be == thr) query thread to run */ -UNIV_INTERN -que_thr_t* -srv_que_round_robin( -/*================*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if -there exists one suspended. */ -UNIV_INTERN -void -srv_que_task_enqueue( -/*=================*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if -there exists one suspended. */ +Enqueues a task to server task queue and releases a worker thread, if there +is a suspended one. */ UNIV_INTERN void srv_que_task_enqueue_low( diff --git a/include/srv0srv.h b/include/srv0srv.h index 9764ce12e78..b83618598e1 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. +Copyright (c) 2008, 2009, Google Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -22,6 +22,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /**************************************************//** @file include/srv0srv.h @@ -42,7 +68,7 @@ Created 10/10/1995 Heikki Tuuri extern const char* srv_main_thread_op_info; -/* Prefix used by MySQL to indicate pre-5.1 table name encoding */ +/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ extern const char srv_mysql50_table_name_prefix[9]; /* When this event is set the lock timeout and InnoDB monitor @@ -81,14 +107,20 @@ extern char* srv_data_home; extern char* srv_arch_dir; #endif /* UNIV_LOG_ARCHIVE */ -/* store to its own file each table created by an user; data +/** store to its own file each table created by an user; data dictionary tables are in the system tablespace 0 */ +#ifndef UNIV_HOTBACKUP extern my_bool srv_file_per_table; -/* The file format to use on new *.ibd files. */ +#else +extern ibool srv_file_per_table; +#endif /* UNIV_HOTBACKUP */ +/** The file format to use on new *.ibd files. */ extern ulint srv_file_format; -/* Whether to check file format during startup.*/ +/** Whether to check file format during startup. A value of +DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to +set it to the highest format we support. */ extern ulint srv_check_file_format_at_startup; -/* Place locks to records only i.e. do not use next-key locking except +/** Place locks to records only i.e. do not use next-key locking except on duplicate key checking and foreign key checking */ extern ibool srv_locks_unsafe_for_binlog; #endif /* !UNIV_HOTBACKUP */ @@ -116,11 +148,17 @@ extern ulint srv_n_log_files; extern ulint srv_log_file_size; extern ulint srv_log_buffer_size; extern ulong srv_flush_log_at_trx_commit; +extern char srv_adaptive_flushing; + /* The sort order table of the MySQL latin1_swedish_ci character set collation */ extern const byte* srv_latin1_ordering; +#ifndef UNIV_HOTBACKUP extern my_bool srv_use_sys_malloc; +#else +extern ibool srv_use_sys_malloc; +#endif /* UNIV_HOTBACKUP */ extern ulint srv_buf_pool_size; /*!< requested size in bytes */ extern ulint srv_buf_pool_old_size; /*!< previously requested size */ extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ @@ -128,6 +166,16 @@ extern ulint srv_mem_pool_size; extern ulint srv_lock_table_size; extern ulint srv_n_file_io_threads; +extern ulong srv_read_ahead_threshold; +extern ulint srv_n_read_io_threads; +extern ulint srv_n_write_io_threads; + +/* Number of IO operations per second the server can do */ +extern ulong srv_io_capacity; +/* Returns the number of IO operations that is X percent of the +capacity. PCT_IO(5) -> returns the number of IO operations that +is 5% of the max where max is srv_io_capacity. */ +#define PCT_IO(p) ((ulong) (srv_io_capacity * ((double) p / 100.0))) #ifdef UNIV_LOG_ARCHIVE extern ibool srv_log_archive_on; @@ -220,7 +268,7 @@ extern mutex_t* kernel_mutex_temp;/* mutex protecting the server, trx structs, same DRAM page as other hotspot semaphores */ #define kernel_mutex (*kernel_mutex_temp) -#define SRV_MAX_N_IO_THREADS 100 +#define SRV_MAX_N_IO_THREADS 130 /* Array of English strings describing the current state of an i/o handler thread */ @@ -538,10 +586,10 @@ void srv_export_innodb_status(void); /*==========================*/ -/* Thread slot in the thread table */ +/** Thread slot in the thread table */ typedef struct srv_slot_struct srv_slot_t; -/* Thread table is an array of slots */ +/** Thread table is an array of slots */ typedef srv_slot_t srv_table_t; /** Status variables to be passed to MySQL */ diff --git a/include/sync0sync.h b/include/sync0sync.h index 3310a6331bb..df990823cc4 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -41,7 +41,9 @@ Created 9/5/1995 Heikki Tuuri #include "os0sync.h" #include "sync0arr.h" +#if defined(UNIV_DEBUG) && !defined(UNIV_HOTBACKUP) extern my_bool timed_mutexes; +#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ #ifdef HAVE_WINDOWS_ATOMICS typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates diff --git a/include/trx0rseg.ic b/include/trx0rseg.ic index f028f62434d..daffa92fc7d 100644 --- a/include/trx0rseg.ic +++ b/include/trx0rseg.ic @@ -24,6 +24,7 @@ Created 3/26/1996 Heikki Tuuri *******************************************************/ #include "srv0srv.h" +#include "mtr0log.h" /******************************************************************//** Gets a rollback segment header. diff --git a/include/trx0sys.h b/include/trx0sys.h index 6b2c1cb29b6..812e8cfa0ba 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -29,13 +29,11 @@ Created 3/26/1996 Heikki Tuuri #include "univ.i" #include "trx0types.h" -#include "fsp0fsp.h" +#include "fsp0types.h" #include "fil0fil.h" -#include "fut0lst.h" #include "buf0buf.h" #ifndef UNIV_HOTBACKUP #include "mtr0mtr.h" -#include "mtr0log.h" #include "ut0byte.h" #include "mem0mem.h" #include "sync0sync.h" @@ -72,6 +70,8 @@ extern trx_doublewrite_t* trx_doublewrite; /** The following is set to TRUE when we are upgrading from pre-4.1 format data files to the multiple tablespaces format data files */ extern ibool trx_doublewrite_must_reset_space_ids; +/** Set to TRUE when the doublewrite buffer is being created */ +extern ibool trx_doublewrite_buf_is_being_created; /** The following is TRUE when we are using the database in the post-4.1 format, i.e., we have successfully upgraded, or have created a new database installation */ @@ -388,12 +388,47 @@ trx_sys_print_mysql_binlog_offset_from_page( const byte* page); /*!< in: buffer containing the trx system header page, i.e., page number TRX_SYS_PAGE_NO in the tablespace */ +/*****************************************************************//** +Reads the file format id from the first system table space file. +Even if the call succeeds and returns TRUE, the returned format id +may be ULINT_UNDEFINED signalling that the format id was not present +in the data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_file_format_id( +/*========================*/ + const char *pathname, /*!< in: pathname of the first system + table space file */ + ulint *format_id); /*!< out: file format of the system table + space */ +/*****************************************************************//** +Reads the file format id from the given per-table data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_pertable_file_format_id( +/*=================================*/ + const char *pathname, /*!< in: pathname of a per-table + datafile */ + ulint *format_id); /*!< out: file format of the per-table + data file */ +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id); /*!< in: id of the file format */ + #endif /* !UNIV_HOTBACKUP */ /* The automatically created system rollback segment has this id */ #define TRX_SYS_SYSTEM_RSEG_ID 0 /* Space id and page no where the trx system file copy resides */ #define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ +#include "fsp0fsp.h" #define TRX_SYS_PAGE_NO FSP_TRX_SYS_PAGE_NO /* The offset of the transaction system header on the page */ diff --git a/include/trx0sys.ic b/include/trx0sys.ic index f7196ab4dcd..1c7c732751b 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -27,6 +27,7 @@ Created 3/26/1996 Heikki Tuuri #include "data0type.h" #ifndef UNIV_HOTBACKUP # include "srv0srv.h" +# include "mtr0log.h" /* The typedef for rseg slot in the file copy */ typedef byte trx_sysf_rseg_t; diff --git a/include/trx0types.h b/include/trx0types.h index bc75bb06c8c..08cc9622d02 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -28,14 +28,14 @@ Created 3/26/1996 Heikki Tuuri #include "ut0byte.h" -/* prepare trx_t::id for being printed via printf(3) */ +/** prepare trx_t::id for being printed via printf(3) */ #define TRX_ID_PREP_PRINTF(id) (ullint) ut_conv_dulint_to_longlong(id) -/* printf(3) format used for printing TRX_ID_PRINTF_PREP() */ +/** printf(3) format used for printing TRX_ID_PRINTF_PREP() */ #define TRX_ID_FMT "%llX" -/* maximum length that a formatted trx_t::id could take, not including -the terminating '\0'. */ +/** maximum length that a formatted trx_t::id could take, not including +the terminating NUL character. */ #define TRX_ID_MAX_LEN 17 /** Memory objects */ diff --git a/include/univ.i b/include/univ.i index ac79f7299dd..86df984a4e5 100644 --- a/include/univ.i +++ b/include/univ.i @@ -2,6 +2,7 @@ Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. +Copyright (c) 2009, Sun Microsystems, Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -9,6 +10,12 @@ briefly in the InnoDB documentation. The contributions by Google are incorporated with their permission, and subject to the conditions contained in the file COPYING.Google. +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. @@ -33,6 +40,10 @@ Created 1/20/1994 Heikki Tuuri #ifndef univ_i #define univ_i +#ifdef UNIV_HOTBACKUP +#include "hb_univ.i" +#endif /* UNIV_HOTBACKUP */ + #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 #define INNODB_VERSION_BUGFIX 4 @@ -89,8 +100,10 @@ the virtual method table (vtable) in GCC 3. */ in compiling more Posix-compatible. These headers also define __WIN__ if we are compiling on Windows. */ +#ifndef UNIV_HOTBACKUP # include # include +#endif /* UNIV_HOTBACKUP */ /* Include to get S_I... macros defined for os0file.c */ # include @@ -103,7 +116,9 @@ if we are compiling on Windows. */ /* Include the header file generated by GNU autoconf */ # ifndef __WIN__ -# include "config.h" +#ifndef UNIV_HOTBACKUP +# include "config.h" +#endif /* UNIV_HOTBACKUP */ # endif # ifdef HAVE_SCHED_H @@ -136,9 +151,9 @@ from Makefile.in->ut0auxconf.h */ #endif /* HAVE_ATOMIC_BUILTINS */ /* We only try to do explicit inlining of functions with gcc and -Microsoft Visual C++ */ +Sun Studio */ -# if !defined(__GNUC__) +# if !defined(__GNUC__) && !(defined(__SUNPRO_C) || defined(__SUNPRO_CC)) # undef UNIV_MUST_NOT_INLINE /* Remove compiler warning */ # define UNIV_MUST_NOT_INLINE # endif @@ -239,19 +254,21 @@ by one. */ /* Linkage specifier for non-static InnoDB symbols (variables and functions) that are only referenced from within InnoDB, not from MySQL */ -#ifdef __WIN__ -# define UNIV_INTERN -#else +#if defined(__GNUC__) && (__GNUC__ >= 4) # define UNIV_INTERN __attribute__((visibility ("hidden"))) +#else +# define UNIV_INTERN #endif #if (!defined(UNIV_DEBUG) && !defined(UNIV_MUST_NOT_INLINE)) /* Definition for inline version */ #ifdef __WIN__ -#define UNIV_INLINE __inline +# define UNIV_INLINE __inline +#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) +# define UNIV_INLINE static inline #else -#define UNIV_INLINE static __inline__ +# define UNIV_INLINE static __inline__ #endif #else @@ -328,13 +345,15 @@ typedef long int lint; #ifdef __WIN__ typedef __int64 ib_int64_t; typedef unsigned __int64 ib_uint64_t; -#else +#elif !defined(UNIV_HOTBACKUP) /* Note: longlong and ulonglong come from MySQL headers. */ typedef longlong ib_int64_t; typedef ulonglong ib_uint64_t; #endif +#ifndef UNIV_HOTBACKUP typedef unsigned long long int ullint; +#endif /* UNIV_HOTBACKUP */ #ifndef __WIN__ #if SIZEOF_LONG != SIZEOF_VOIDP @@ -392,6 +411,17 @@ it is read. */ /* Minimize cache-miss latency by moving data at addr into a cache before it is read or written. */ # define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) +#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) +# include +#if __SUNPRO_C >= 0x550 +# undef UNIV_INTERN +# define UNIV_INTERN __hidden +#endif /* __SUNPRO_C >= 0x550 */ +/* Use sun_prefetch when compile with Sun Studio */ +# define UNIV_EXPECT(expr,value) (expr) +# define UNIV_LIKELY_NULL(expr) (expr) +# define UNIV_PREFETCH_R(addr) sun_prefetch_read_many(addr) +# define UNIV_PREFETCH_RW(addr) sun_prefetch_write_many(addr) #else /* Dummy versions of the macros */ # define UNIV_EXPECT(expr,value) (expr) diff --git a/include/ut0auxconf.h b/include/ut0auxconf.h index 6362b7ca412..88fb26f1863 100644 --- a/include/ut0auxconf.h +++ b/include/ut0auxconf.h @@ -2,7 +2,7 @@ This file is included in univ.i and will cause compilation failure if not present. A custom check has been added in the generated -storage/innobase/Makefile.in that is shipped with with the InnoDB Plugin +storage/innobase/Makefile.in that is shipped with the InnoDB Plugin source archive. This check tries to compile a test program and if successful then adds "#define HAVE_ATOMIC_PTHREAD_T" to this file. This is a hack that has been developed in order to check for pthread_t diff --git a/include/ut0ut.h b/include/ut0ut.h index 6b3af2c279d..80094321041 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -1,6 +1,13 @@ /***************************************************************************** Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Sun Microsystems, Inc. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -40,6 +47,28 @@ Created 1/20/1994 Heikki Tuuri /** Time stamp */ typedef time_t ib_time_t; +#if defined(IB_HAVE_PAUSE_INSTRUCTION) +# ifdef WIN32 + /* In the Win32 API, the x86 PAUSE instruction is executed by calling + the YieldProcessor macro defined in WinNT.h. It is a CPU architecture- + independent way by using YieldProcessor.*/ +# define UT_RELAX_CPU() YieldProcessor() +# else + /* According to the gcc info page, asm volatile means that the + instruction has important side-effects and must not be removed. + Also asm volatile may trigger a memory barrier (spilling all registers + to memory). */ +# define UT_RELAX_CPU() __asm__ __volatile__ ("pause") +# endif +#elif defined(HAVE_ATOMIC_BUILTINS) +# define UT_RELAX_CPU() do { \ + volatile lint volatile_var; \ + os_compare_and_swap_lint(&volatile_var, 0, 1); \ + } while (0) +#else +# define UT_RELAX_CPU() ((void)0) /* avoid warning for an empty statement */ +#endif + /*********************************************************************//** Delays execution for at most max_wait_us microseconds or returns earlier if cond becomes true. diff --git a/lock/lock0lock.c b/lock/lock0lock.c index de5ba2b8404..fcd8d268331 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -3767,32 +3767,6 @@ lock_table( return(DB_SUCCESS); } -/*********************************************************************//** -Checks if there are any locks set on the table. -@return TRUE if there are lock(s) */ -UNIV_INTERN -ibool -lock_is_on_table( -/*=============*/ - dict_table_t* table) /*!< in: database table in dictionary cache */ -{ - ibool ret; - - ut_ad(table); - - lock_mutex_enter_kernel(); - - if (UT_LIST_GET_LAST(table->locks)) { - ret = TRUE; - } else { - ret = FALSE; - } - - lock_mutex_exit_kernel(); - - return(ret); -} - /*********************************************************************//** Checks if a waiting table lock request still has to wait in a queue. @return TRUE if still has to wait */ @@ -3936,22 +3910,6 @@ lock_rec_unlock( mutex_exit(&kernel_mutex); } -/*********************************************************************//** -Releases a table lock. -Releases possible other transactions waiting for this lock. */ -UNIV_INTERN -void -lock_table_unlock( -/*==============*/ - lock_t* lock) /*!< in: lock */ -{ - mutex_enter(&kernel_mutex); - - lock_table_dequeue(lock); - - mutex_exit(&kernel_mutex); -} - /*********************************************************************//** Releases transaction locks, and releases possible other transactions waiting because of these locks. */ @@ -4499,6 +4457,20 @@ loop: ulint zip_size= fil_space_get_zip_size(space); ulint page_no = lock->un_member.rec_lock.page_no; + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + + /* It is a single table tablespace and + the .ibd file is missing (TRUNCATE + TABLE probably stole the locks): just + print the lock without attempting to + load the page in the buffer pool. */ + + fprintf(file, "RECORD LOCKS on" + " non-existing space %lu\n", + (ulong) space); + goto print_rec; + } + lock_mutex_exit_kernel(); innobase_mysql_end_print_arbitrary_thd(); @@ -4517,6 +4489,7 @@ loop: goto loop; } +print_rec: lock_rec_print(file, lock); } else { ut_ad(lock_get_type_low(lock) & LOCK_TABLE); @@ -4721,6 +4694,7 @@ lock_rec_validate_page( ulint nth_lock = 0; ulint nth_bit = 0; ulint i; + ulint zip_size; mtr_t mtr; mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; @@ -4731,8 +4705,9 @@ lock_rec_validate_page( mtr_start(&mtr); - block = buf_page_get(space, fil_space_get_zip_size(space), - page_no, RW_X_LATCH, &mtr); + zip_size = fil_space_get_zip_size(space); + ut_ad(zip_size != ULINT_UNDEFINED); + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, &mtr); buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); page = block->frame; diff --git a/log/log0log.c b/log/log0log.c index 3ad294affb7..24c828cdf5f 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -14,6 +14,30 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*****************************************************************************/ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + *****************************************************************************/ /**************************************************//** @@ -1533,6 +1557,29 @@ log_buffer_flush_to_disk(void) } /****************************************************************//** +This functions writes the log buffer to the log file and if 'flush' +is set it forces a flush of the log file as well. This is meant to be +called from background master thread only as it does not wait for +the write (+ possible flush) to finish. */ +UNIV_INTERN +void +log_buffer_sync_in_background( +/*==========================*/ + ibool flush) /*!< in: flush the logs to disk */ +{ + ib_uint64_t lsn; + + mutex_enter(&(log_sys->mutex)); + + lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + log_write_up_to(lsn, LOG_NO_WAIT, flush); +} + +/******************************************************************** + Tries to establish a big enough margin of free space in the log buffer, such that a new log entry can be catenated without an immediate need for a flush. */ static diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 53a4c0cfd15..7a71c7f4080 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -125,27 +125,6 @@ mem_heap_dup( return(memcpy(mem_heap_alloc(heap, len), data, len)); } -/**********************************************************************//** -Concatenate two memory blocks and return the result, using a memory heap. -@return own: the result */ -UNIV_INTERN -void* -mem_heap_cat( -/*=========*/ - mem_heap_t* heap, /*!< in: memory heap where result is allocated */ - const void* b1, /*!< in: block 1 */ - ulint len1, /*!< in: length of b1, in bytes */ - const void* b2, /*!< in: block 2 */ - ulint len2) /*!< in: length of b2, in bytes */ -{ - void* res = mem_heap_alloc(heap, len1 + len2); - - memcpy(res, b1, len1); - memcpy((char*)res + len1, b2, len2); - - return(res); -} - /**********************************************************************//** Concatenate two strings and return the result, using a memory heap. @return own: the result */ diff --git a/mtr/mtr0log.c b/mtr/mtr0log.c index a2f39434a90..3f3dab36b76 100644 --- a/mtr/mtr0log.c +++ b/mtr/mtr0log.c @@ -239,7 +239,6 @@ mlog_parse_nbytes( return(ptr); } -#ifndef UNIV_HOTBACKUP /********************************************************//** Writes 1 - 4 bytes to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -322,6 +321,7 @@ mlog_write_dulint( mlog_close(mtr, log_ptr); } +#ifndef UNIV_HOTBACKUP /********************************************************//** Writes a string to a file page buffered in the buffer pool. Writes the corresponding log record to the mini-transaction log. */ @@ -440,7 +440,7 @@ byte* mlog_open_and_write_index( /*======================*/ mtr_t* mtr, /*!< in: mtr */ - byte* rec, /*!< in: index record or page */ + const byte* rec, /*!< in: index record or page */ dict_index_t* index, /*!< in: record descriptor */ byte type, /*!< in: log item type */ ulint size) /*!< in: requested buffer size in bytes diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index ade4db35ce6..d2e8eb19e0c 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -867,3 +867,25 @@ INSERT INTO t2 SELECT NULL FROM t1; Got one of the listed errors DROP TABLE t1; DROP TABLE t2; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +d1 +1 +3 +SELECT * FROM t1; +d1 +1 +3 +INSERT INTO t1 VALUES(null); +Got one of the listed errors +ALTER TABLE t1 AUTO_INCREMENT = 3; +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +d1 +1 +3 +4 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index d76b29a7dc8..61c42f45733 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -478,3 +478,23 @@ INSERT INTO t2 SELECT c1 FROM t1; INSERT INTO t2 SELECT NULL FROM t1; DROP TABLE t1; DROP TABLE t2; +# +# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from +# the index (PRIMARY) +# This test requires a restart of the server +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +# Restart the server +-- source include/restart_mysqld.inc +# The MySQL and InnoDB data dictionaries should now be out of sync. +# The select should print message to the error log +SELECT * FROM t1; +-- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 VALUES(null); +ALTER TABLE t1 AUTO_INCREMENT = 3; +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index a7d66b15300..0d2e5ca8205 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -46,13 +46,6 @@ t1 CREATE TABLE `t1` ( KEY `d2` (`d`), KEY `b` (`b`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; -alter table t1 add unique index (c), add index (d); -ERROR HY000: Table 'test.t1#1' already exists -rename table `t1#1` to `t1#2`; -alter table t1 add unique index (c), add index (d); -ERROR HY000: Table 'test.t1#2' already exists -drop table `t1#2`; alter table t1 add unique index (c), add index (d); show create table t1; Table Create Table diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 42888ff3686..cc71f0c78c2 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -17,16 +17,6 @@ show create table t1; alter table t1 add index (b); show create table t1; -# Check how existing tables interfere with temporary tables. -CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; - ---error 156 -alter table t1 add unique index (c), add index (d); -rename table `t1#1` to `t1#2`; ---error 156 -alter table t1 add unique index (c), add index (d); -drop table `t1#2`; - alter table t1 add unique index (c), add index (d); show create table t1; explain select * from t1 force index(c) order by c; diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index e3c52fd7b6b..bdae7633fd1 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -1738,7 +1738,7 @@ count(*) drop table t1; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; variable_value -511 +8191 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; variable_value 16384 @@ -1766,9 +1766,10 @@ variable_value - @innodb_row_lock_time_max_orig SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; variable_value - @innodb_row_lock_time_avg_orig 0 +SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; show variables like "innodb_sync_spin_loops"; Variable_name Value -innodb_sync_spin_loops 20 +innodb_sync_spin_loops 30 set global innodb_sync_spin_loops=1000; show variables like "innodb_sync_spin_loops"; Variable_name Value @@ -1781,6 +1782,7 @@ set global innodb_sync_spin_loops=20; show variables like "innodb_sync_spin_loops"; Variable_name Value innodb_sync_spin_loops 20 +set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; show variables like "innodb_thread_concurrency"; Variable_name Value innodb_thread_concurrency 0 diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index 0d8e164de34..f46a3a70b56 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -1317,7 +1317,7 @@ drop table t1; # Test for testable InnoDB status variables. This test # uses previous ones(pages_created, rows_deleted, ...). ---replace_result 512 511 +--replace_result 8192 8191 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; @@ -1332,6 +1332,7 @@ SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.g SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; # Test for innodb_sync_spin_loops variable +SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; show variables like "innodb_sync_spin_loops"; set global innodb_sync_spin_loops=1000; show variables like "innodb_sync_spin_loops"; @@ -1339,6 +1340,7 @@ set global innodb_sync_spin_loops=0; show variables like "innodb_sync_spin_loops"; set global innodb_sync_spin_loops=20; show variables like "innodb_sync_spin_loops"; +set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; # Test for innodb_thread_concurrency variable show variables like "innodb_thread_concurrency"; diff --git a/mysql-test/innodb_bug21704.result b/mysql-test/innodb_bug21704.result new file mode 100644 index 00000000000..b8e0b15d50d --- /dev/null +++ b/mysql-test/innodb_bug21704.result @@ -0,0 +1,55 @@ +# +# Bug#21704: Renaming column does not update FK definition. +# + +# Test that it's not possible to rename columns participating in a +# foreign key (either in the referencing or referenced table). + +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +DROP TABLE IF EXISTS t3; +CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; +CREATE TABLE t2 (a INT PRIMARY KEY, b INT, +CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; +CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, +CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; +INSERT INTO t1 VALUES (1,1),(2,2),(3,3); +INSERT INTO t2 VALUES (1,1),(2,2),(3,3); +INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); + +# Test renaming the column in the referenced table. + +ALTER TABLE t1 CHANGE a c INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t1 CHANGE b c INT; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 + +# Test renaming the column in the referencing table + +ALTER TABLE t2 CHANGE a c INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t2 CHANGE b c INT; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 + +# Test with self-referential constraints + +ALTER TABLE t3 CHANGE a d INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) +ALTER TABLE t3 CHANGE b d INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t3 CHANGE c d INT; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 + +# Cleanup. + +DROP TABLE t3; +DROP TABLE t2; +DROP TABLE t1; diff --git a/mysql-test/innodb_bug21704.test b/mysql-test/innodb_bug21704.test new file mode 100644 index 00000000000..c649b61034c --- /dev/null +++ b/mysql-test/innodb_bug21704.test @@ -0,0 +1,96 @@ +-- source include/have_innodb.inc + +--echo # +--echo # Bug#21704: Renaming column does not update FK definition. +--echo # + +--echo +--echo # Test that it's not possible to rename columns participating in a +--echo # foreign key (either in the referencing or referenced table). +--echo + +--disable_warnings +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +DROP TABLE IF EXISTS t3; +--enable_warnings + +CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; + +CREATE TABLE t2 (a INT PRIMARY KEY, b INT, + CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; + +CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, + CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; + +INSERT INTO t1 VALUES (1,1),(2,2),(3,3); +INSERT INTO t2 VALUES (1,1),(2,2),(3,3); +INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); + +--echo +--echo # Test renaming the column in the referenced table. +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t1 CHANGE a c INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t1 CHANGE b c INT; +--disable_info + +--echo +--echo # Test renaming the column in the referencing table +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t2 CHANGE a c INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t2 CHANGE b c INT; +--disable_info + +--echo +--echo # Test with self-referential constraints +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t3 CHANGE a d INT; + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t3 CHANGE b d INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t3 CHANGE c d INT; +--disable_info + +--echo +--echo # Cleanup. +--echo + +DROP TABLE t3; +DROP TABLE t2; +DROP TABLE t1; diff --git a/mysql-test/innodb_bug40565.result b/mysql-test/innodb_bug40565.result new file mode 100644 index 00000000000..21e923d9336 --- /dev/null +++ b/mysql-test/innodb_bug40565.result @@ -0,0 +1,9 @@ +create table bug40565(value decimal(4,2)) engine=innodb; +insert into bug40565 values (1), (null); +update bug40565 set value=NULL; +affected rows: 1 +info: Rows matched: 2 Changed: 1 Warnings: 0 +update bug40565 set value=NULL; +affected rows: 0 +info: Rows matched: 2 Changed: 0 Warnings: 0 +drop table bug40565; diff --git a/mysql-test/innodb_bug40565.test b/mysql-test/innodb_bug40565.test new file mode 100644 index 00000000000..d7aa0fd514a --- /dev/null +++ b/mysql-test/innodb_bug40565.test @@ -0,0 +1,10 @@ +# Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows" +-- source include/have_innodb.inc + +create table bug40565(value decimal(4,2)) engine=innodb; +insert into bug40565 values (1), (null); +--enable_info +update bug40565 set value=NULL; +update bug40565 set value=NULL; +--disable_info +drop table bug40565; diff --git a/mysql-test/innodb_bug42101-nonzero.result b/mysql-test/innodb_bug42101-nonzero.result index 8a14296381c..277dfffdd35 100644 --- a/mysql-test/innodb_bug42101-nonzero.result +++ b/mysql-test/innodb_bug42101-nonzero.result @@ -11,11 +11,15 @@ set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; @@innodb_commit_concurrency 42 +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 set global innodb_commit_concurrency=0; ERROR HY000: Incorrect arguments to SET select @@innodb_commit_concurrency; @@innodb_commit_concurrency -42 +1 set global innodb_commit_concurrency=1; select @@innodb_commit_concurrency; @@innodb_commit_concurrency diff --git a/mysql-test/innodb_bug42101-nonzero.test b/mysql-test/innodb_bug42101-nonzero.test index c691a234c51..685fdf20489 100644 --- a/mysql-test/innodb_bug42101-nonzero.test +++ b/mysql-test/innodb_bug42101-nonzero.test @@ -12,6 +12,8 @@ set global innodb_commit_concurrency=1; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; --error ER_WRONG_ARGUMENTS set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; diff --git a/mysql-test/innodb_bug42101.result b/mysql-test/innodb_bug42101.result index 9a9c8e0ce9b..805097ffe9d 100644 --- a/mysql-test/innodb_bug42101.result +++ b/mysql-test/innodb_bug42101.result @@ -16,3 +16,7 @@ set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 diff --git a/mysql-test/innodb_bug42101.test b/mysql-test/innodb_bug42101.test index 13d531ecde7..b6536490d48 100644 --- a/mysql-test/innodb_bug42101.test +++ b/mysql-test/innodb_bug42101.test @@ -15,3 +15,5 @@ set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; diff --git a/mysql-test/innodb_bug45357.result b/mysql-test/innodb_bug45357.result new file mode 100644 index 00000000000..7adeff2062f --- /dev/null +++ b/mysql-test/innodb_bug45357.result @@ -0,0 +1,7 @@ +set session transaction isolation level read committed; +create table bug45357(a int, b int,key(b))engine=innodb; +insert into bug45357 values (25170,6122); +update bug45357 set a=1 where b=30131; +delete from bug45357 where b < 20996; +delete from bug45357 where b < 7001; +drop table bug45357; diff --git a/mysql-test/innodb_bug45357.test b/mysql-test/innodb_bug45357.test new file mode 100644 index 00000000000..81727f352dd --- /dev/null +++ b/mysql-test/innodb_bug45357.test @@ -0,0 +1,10 @@ +-- source include/have_innodb.inc + +set session transaction isolation level read committed; + +create table bug45357(a int, b int,key(b))engine=innodb; +insert into bug45357 values (25170,6122); +update bug45357 set a=1 where b=30131; +delete from bug45357 where b < 20996; +delete from bug45357 where b < 7001; +drop table bug45357; diff --git a/mysql-test/innodb_file_format.result b/mysql-test/innodb_file_format.result new file mode 100644 index 00000000000..9cfac5f001c --- /dev/null +++ b/mysql-test/innodb_file_format.result @@ -0,0 +1,44 @@ +select @@innodb_file_format; +@@innodb_file_format +Antelope +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +set global innodb_file_format=antelope; +set global innodb_file_format=barracuda; +set global innodb_file_format=cheetah; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format; +@@innodb_file_format +Barracuda +set global innodb_file_format=default; +select @@innodb_file_format; +@@innodb_file_format +Antelope +set global innodb_file_format=on; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=off; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format; +@@innodb_file_format +Antelope +set global innodb_file_format_check=antelope; +set global innodb_file_format_check=barracuda; +set global innodb_file_format_check=cheetah; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=default; +Warnings: +Warning 1210 Ignoring SET innodb_file_format=on +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format=on; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=off; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda diff --git a/mysql-test/innodb_file_format.test b/mysql-test/innodb_file_format.test new file mode 100644 index 00000000000..62ce4157183 --- /dev/null +++ b/mysql-test/innodb_file_format.test @@ -0,0 +1,28 @@ +-- source include/have_innodb.inc + +select @@innodb_file_format; +select @@innodb_file_format_check; +set global innodb_file_format=antelope; +set global innodb_file_format=barracuda; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=cheetah; +select @@innodb_file_format; +set global innodb_file_format=default; +select @@innodb_file_format; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=on; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=off; +select @@innodb_file_format; +set global innodb_file_format_check=antelope; +set global innodb_file_format_check=barracuda; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format_check=cheetah; +select @@innodb_file_format_check; +set global innodb_file_format_check=default; +select @@innodb_file_format_check; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=on; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=off; +select @@innodb_file_format_check; diff --git a/os/os0file.c b/os/os0file.c index 9286a35eae8..ebeac38418d 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -15,6 +15,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /**************************************************//** @file os/os0file.c @@ -1716,6 +1742,7 @@ os_file_close( #endif } +#ifdef UNIV_HOTBACKUP /***********************************************************************//** Closes a file handle. @return TRUE if success */ @@ -1750,6 +1777,7 @@ os_file_close_no_error_handling( return(TRUE); #endif } +#endif /* UNIV_HOTBACKUP */ /***********************************************************************//** Gets a file size. @@ -3154,32 +3182,27 @@ skip_native_aio: return(array); } -/************************************************************************//** -Initializes the asynchronous io system. Calls also os_io_init_simple. -Creates a separate aio array for -non-ibuf read and write, a third aio array for the ibuf i/o, with just one -segment, two aio arrays for log reads and writes with one segment, and a -synchronous aio array of the specified size. The combined number of segments -in the three first aio arrays is the parameter n_segments given to the -function. The caller must create an i/o handler thread for each segment in -the four first arrays, but not for the sync aio array. -@return TRUE on success. */ +/*********************************************************************** +Initializes the asynchronous io system. Creates one array each for ibuf +and log i/o. Also creates one array each for read and write where each +array is divided logically into n_read_segs and n_write_segs +respectively. The caller must create an i/o handler thread for each +segment in these arrays. This function also creates the sync array. +No i/o handler thread needs to be created for that */ UNIV_INTERN ibool os_aio_init( /*========*/ - ulint n, /*!< in: maximum number of pending aio operations - allowed; n must be divisible by n_segments */ - ulint n_segments, /*!< in: combined number of segments in the four - first aio arrays; must be >= 4 */ - ulint n_slots_sync) /*!< in: number of slots in the sync aio array */ + ulint n_per_seg, /*= 4); os_io_init_simple(); @@ -3188,9 +3211,6 @@ os_aio_init( srv_set_io_thread_op_info(i, "not started yet"); } - n_per_seg = n / n_segments; - n_write_segs = (n_segments - 2) / 2; - n_read_segs = n_segments - 2 - n_write_segs; /* fprintf(stderr, "Array n per seg %lu\n", n_per_seg); */ @@ -3431,7 +3451,18 @@ os_aio_array_reserve_slot( #endif ulint i; - ulint n; + ulint slots_per_seg; + ulint local_seg; + + /* No need of a mutex. Only reading constant fields */ + slots_per_seg = array->n_slots / array->n_segments; + + /* We attempt to keep adjacent blocks in the same local + segment. This can help in merging IO requests when we are + doing simulated AIO */ + local_seg = (offset >> (UNIV_PAGE_SIZE_SHIFT + 6)) + % array->n_segments; + loop: os_mutex_enter(array->mutex); @@ -3450,12 +3481,8 @@ loop: goto loop; } - /* First try to allocate a slot from the next segment in - round robin. */ - ut_a(array->cur_seg < array->n_segments); - - n = array->n_slots / array->n_segments; - for (i = array->cur_seg * n; i < ((array->cur_seg + 1) * n); i++) { + /* First try to find a slot in the preferred local segment */ + for (i = local_seg * slots_per_seg; i < array->n_slots; i++) { slot = os_aio_array_get_nth_slot(array, i); if (slot->reserved == FALSE) { @@ -3463,11 +3490,7 @@ loop: } } - ut_ad(i < array->n_slots); - - /* If we are unable to find a slot in our desired segment we do - a linear search of entire array. We are guaranteed to find a - slot in linear search. */ + /* Fall back to a full scan. We are guaranteed to find a slot */ for (i = 0;; i++) { slot = os_aio_array_get_nth_slot(array, i); @@ -3478,11 +3501,9 @@ loop: /* We MUST always be able to get hold of a reserved slot. */ ut_error; + found: - array->cur_seg = (array->cur_seg + 1) % array->n_segments; - - ut_ad(!slot->reserved); - + ut_a(slot->reserved == FALSE); array->n_reserved++; if (array->n_reserved == 1) { diff --git a/os/os0proc.c b/os/os0proc.c index e0d21378ad9..a0ea9a1b258 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -228,37 +228,3 @@ os_mem_free_large( } #endif } - -/****************************************************************//** -Sets the priority boost for threads released from waiting within the current -process. */ -UNIV_INTERN -void -os_process_set_priority_boost( -/*==========================*/ - ibool do_boost) /*!< in: TRUE if priority boost should be done, - FALSE if not */ -{ -#ifdef __WIN__ - ibool no_boost; - - if (do_boost) { - no_boost = FALSE; - } else { - no_boost = TRUE; - } - -#if TRUE != 1 -# error "TRUE != 1" -#endif - - /* Does not do anything currently! - SetProcessPriorityBoost(GetCurrentProcess(), no_boost); - */ - fputs("Warning: process priority boost setting" - " currently not functional!\n", - stderr); -#else - UT_NOT_USED(do_boost); -#endif -} diff --git a/os/os0sync.c b/os/os0sync.c index 729ca383269..4ec340b72b5 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -196,47 +196,6 @@ os_event_create( return(event); } -#ifdef __WIN__ -/*********************************************************//** -Creates an auto-reset event semaphore, i.e., an event which is automatically -reset when a single thread is released. Works only in Windows. -@return the event handle */ -UNIV_INTERN -os_event_t -os_event_create_auto( -/*=================*/ - const char* name) /*!< in: the name of the event, if NULL - the event is created without a name */ -{ - os_event_t event; - - event = ut_malloc(sizeof(struct os_event_struct)); - - event->handle = CreateEvent(NULL, /* No security attributes */ - FALSE, /* Auto-reset */ - FALSE, /* Initial state nonsignaled */ - (LPCTSTR) name); - - if (!event->handle) { - fprintf(stderr, - "InnoDB: Could not create a Windows auto" - " event semaphore; Windows error %lu\n", - (ulong) GetLastError()); - } - - /* Put to the list of events */ - os_mutex_enter(os_sync_mutex); - - UT_LIST_ADD_FIRST(os_event_list, os_event_list, event); - - os_event_count++; - - os_mutex_exit(os_sync_mutex); - - return(event); -} -#endif - /**********************************************************//** Sets an event semaphore to the signaled state: lets waiting threads proceed. */ diff --git a/page/page0page.c b/page/page0page.c index 12d0bbe8969..f056ef77bdc 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -233,9 +233,11 @@ page_set_max_trx_id( page_zip_write_header(page_zip, page + (PAGE_HEADER + PAGE_MAX_TRX_ID), 8, mtr); +#ifndef UNIV_HOTBACKUP } else if (mtr) { mlog_write_dulint(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id, mtr); +#endif /* !UNIV_HOTBACKUP */ } else { mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); } diff --git a/page/page0zip.c b/page/page0zip.c index 5af77c7b1b9..92ba0ec768a 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -3021,9 +3021,12 @@ page_zip_hexdump_func( } } +/** Dump a block of memory on the standard error stream. +@param buf in: data +@param size in: length of the data, in bytes */ #define page_zip_hexdump(buf, size) page_zip_hexdump_func(#buf, buf, size) -/* Flag: make page_zip_validate() compare page headers only */ +/** Flag: make page_zip_validate() compare page headers only */ UNIV_INTERN ibool page_zip_validate_header_only = FALSE; /**********************************************************************//** @@ -3864,7 +3867,7 @@ page_zip_write_trx_id_and_roll_ptr( } #ifdef UNIV_ZIP_DEBUG -/* Set this variable in a debugger to disable page_zip_clear_rec(). +/** Set this variable in a debugger to disable page_zip_clear_rec(). The only observable effect should be the compression ratio due to deleted records not being zeroed out. In rare cases, there can be page_zip_validate() failures on the node_ptr, trx_id and roll_ptr diff --git a/plug.in b/plug.in index 9677847ffa9..11173e7b753 100644 --- a/plug.in +++ b/plug.in @@ -131,6 +131,32 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ ]) ]) ]) + # Check for x86 PAUSE instruction + AC_MSG_CHECKING(for x86 PAUSE instruction) + # We have to actually try running the test program, because of a bug + # in Solaris on x86_64, where it wrongly reports that PAUSE is not + # supported when trying to run an application. See + # http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684 + # We use ib_ prefix to avoid collisoins if this code is added to + # mysql's configure.in. + AC_TRY_RUN( + [ + int main() { + __asm__ __volatile__ ("pause"); + return(0); + } + ], + [ + AC_DEFINE([IB_HAVE_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ], + [ + AC_MSG_RESULT(no) + ] + ) ]) # vim: set ft=config: diff --git a/que/que0que.c b/que/que0que.c index 8f0673f7b69..54b1e7535fa 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -696,37 +696,6 @@ que_graph_free( mem_heap_free(graph->heap); } -/**********************************************************************//** -Checks if the query graph is in a state where it should be freed, and -frees it in that case. If the session is in a state where it should be -closed, also this is done. -@return TRUE if freed */ -UNIV_INTERN -ibool -que_graph_try_free( -/*===============*/ - que_t* graph) /*!< in: query graph */ -{ - sess_t* sess; - - ut_ad(mutex_own(&kernel_mutex)); - - sess = (graph->trx)->sess; - - if ((graph->state == QUE_FORK_BEING_FREED) - && (graph->n_active_thrs == 0)) { - - UT_LIST_REMOVE(graphs, sess->graphs, graph); - que_graph_free(graph); - - sess_try_close(sess); - - return(TRUE); - } - - return(FALSE); -} - /****************************************************************//** Performs an execution step on a thr node. @return query thread to run next, or NULL if none */ diff --git a/row/row0merge.c b/row/row0merge.c index fc2a2a5e935..88008b7c624 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -864,7 +864,14 @@ err_exit: avail_size = block[1] - b; memcpy(*buf, b, avail_size); *mrec = *buf + extra_size; - rec_offs_make_valid(*mrec, index, offsets); +#ifdef UNIV_DEBUG + /* We cannot invoke rec_offs_make_valid() here, because there + are no REC_N_NEW_EXTRA_BYTES between extra_size and data_size. + Similarly, rec_offs_validate() would fail, because it invokes + rec_get_status(). */ + offsets[2] = (ulint) *mrec; + offsets[3] = (ulint) index; +#endif /* UNIV_DEBUG */ if (!row_merge_read(fd, ++(*foffs), block)) { diff --git a/row/row0mysql.c b/row/row0mysql.c index b915de20c33..b345bb59624 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1498,9 +1498,14 @@ row_unlock_for_mysql( index = btr_pcur_get_btr_cur(clust_pcur)->index; } + if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { + /* This is not a clustered index record. We + do not know how to unlock the record. */ + goto no_unlock; + } + /* If the record has been modified by this transaction, do not unlock it. */ - ut_a(dict_index_is_clust(index)); if (index->trx_id_offset) { rec_trx_id = trx_read_trx_id(rec @@ -1540,7 +1545,7 @@ row_unlock_for_mysql( prebuilt->select_lock_type); } } - +no_unlock: mtr_commit(&mtr); } diff --git a/row/row0row.c b/row/row0row.c index 24f4ff30952..c2f9a4451cb 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -643,67 +643,6 @@ notfound: } } -/*******************************************************************//** -From a row build a row reference with which we can search the clustered -index record. */ -UNIV_INTERN -void -row_build_row_ref_from_row( -/*=======================*/ - dtuple_t* ref, /*!< in/out: row reference built; - see the NOTE below! - ref must have the right number - of fields! */ - const dict_table_t* table, /*!< in: table */ - const dtuple_t* row) /*!< in: row - NOTE: the data fields in ref will point - directly into data of this row */ -{ - const dict_index_t* clust_index; - ulint ref_len; - ulint i; - - ut_ad(ref && table && row); - - clust_index = dict_table_get_first_index(table); - - ref_len = dict_index_get_n_unique(clust_index); - - ut_ad(ref_len == dtuple_get_n_fields(ref)); - - for (i = 0; i < ref_len; i++) { - const dict_col_t* col; - const dict_field_t* field; - dfield_t* dfield; - const dfield_t* dfield2; - - dfield = dtuple_get_nth_field(ref, i); - - field = dict_index_get_nth_field(clust_index, i); - - col = dict_field_get_col(field); - - dfield2 = dtuple_get_nth_field(row, dict_col_get_no(col)); - - dfield_copy(dfield, dfield2); - ut_ad(!dfield_is_ext(dfield)); - - if (field->prefix_len > 0 && !dfield_is_null(dfield)) { - - ulint len = dfield_get_len(dfield); - - len = dtype_get_at_most_n_mbchars( - col->prtype, col->mbminlen, col->mbmaxlen, - field->prefix_len, - len, dfield_get_data(dfield)); - - dfield_set_len(dfield, len); - } - } - - ut_ad(dtuple_check_typed(ref)); -} - /***************************************************************//** Searches the clustered index record for a row, if we have the row reference. @return TRUE if found */ diff --git a/row/row0sel.c b/row/row0sel.c index ea6945813ed..3ef9726588e 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -2782,7 +2782,8 @@ row_sel_store_mysql_rec( mysql_rec[templ->mysql_null_byte_offset] |= (byte) templ->mysql_null_bit_mask; memcpy(mysql_rec + templ->mysql_col_offset, - prebuilt->default_rec + templ->mysql_col_offset, + (const byte*) prebuilt->default_rec + + templ->mysql_col_offset, templ->mysql_col_len); } } diff --git a/srv/srv0que.c b/srv/srv0que.c index e2a7b2331e4..fc50a86a55c 100644 --- a/srv/srv0que.c +++ b/srv/srv0que.c @@ -31,63 +31,6 @@ Created 6/5/1996 Heikki Tuuri #include "usr0sess.h" #include "que0que.h" -/**********************************************************************//** -Checks if there is work to do in the server task queue. If there is, the -thread starts processing a task. Before leaving, it again checks the task -queue and picks a new task if any exists. This is called by a SRV_WORKER -thread. */ -UNIV_INTERN -void -srv_que_task_queue_check(void) -/*==========================*/ -{ - que_thr_t* thr; - - for (;;) { - mutex_enter(&kernel_mutex); - - thr = UT_LIST_GET_FIRST(srv_sys->tasks); - - if (thr == NULL) { - mutex_exit(&kernel_mutex); - - return; - } - - UT_LIST_REMOVE(queue, srv_sys->tasks, thr); - - mutex_exit(&kernel_mutex); - - que_run_threads(thr); - } -} - -/**********************************************************************//** -Performs round-robin on the server tasks. This is called by a SRV_WORKER -thread every second or so. -@return the new (may be == thr) query thread to run */ -UNIV_INTERN -que_thr_t* -srv_que_round_robin( -/*================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - que_thr_t* new_thr; - - ut_ad(thr); - ut_ad(thr->state == QUE_THR_RUNNING); - - mutex_enter(&kernel_mutex); - - UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); - - new_thr = UT_LIST_GET_FIRST(srv_sys->tasks); - - mutex_exit(&kernel_mutex); - - return(new_thr); -} - /**********************************************************************//** Enqueues a task to server task queue and releases a worker thread, if there is a suspended one. */ @@ -104,23 +47,3 @@ srv_que_task_enqueue_low( srv_release_threads(SRV_WORKER, 1); } - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue( -/*=================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ut_ad(thr); - - ut_a(0); /* Under MySQL this is never called */ - - mutex_enter(&kernel_mutex); - - srv_que_task_enqueue_low(thr); - - mutex_exit(&kernel_mutex); -} diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 0ef4cd11ca7..632693ea816 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. +Copyright (c) 2008, 2009 Google Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -22,6 +22,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /**************************************************//** @file srv/srv0srv.c @@ -97,7 +123,7 @@ UNIV_INTERN ibool srv_error_monitor_active = FALSE; UNIV_INTERN const char* srv_main_thread_op_info = ""; -/* Prefix used by MySQL to indicate pre-5.1 table name encoding */ +/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ UNIV_INTERN const char srv_mysql50_table_name_prefix[9] = "#mysql50#"; /* Server parameters which are read from the initfile */ @@ -110,12 +136,12 @@ UNIV_INTERN char* srv_data_home = NULL; UNIV_INTERN char* srv_arch_dir = NULL; #endif /* UNIV_LOG_ARCHIVE */ -/* store to its own file each table created by an user; data +/** store to its own file each table created by an user; data dictionary tables are in the system tablespace 0 */ UNIV_INTERN my_bool srv_file_per_table; -/* The file format to use on new *.ibd files. */ +/** The file format to use on new *.ibd files. */ UNIV_INTERN ulint srv_file_format = 0; -/* Whether to check file format during startup a value of +/** Whether to check file format during startup. A value of DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to set it to the highest format we support. */ UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; @@ -123,7 +149,7 @@ UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; #if DICT_TF_FORMAT_51 # error "DICT_TF_FORMAT_51 must be 0!" #endif -/* Place locks to records only i.e. do not use next-key locking except +/** Place locks to records only i.e. do not use next-key locking except on duplicate key checking and foreign key checking */ UNIV_INTERN ibool srv_locks_unsafe_for_binlog = FALSE; @@ -163,6 +189,10 @@ UNIV_INTERN ulint srv_log_file_size = ULINT_MAX; UNIV_INTERN ulint srv_log_buffer_size = ULINT_MAX; UNIV_INTERN ulong srv_flush_log_at_trx_commit = 1; +/* Try to flush dirty pages so as to avoid IO bursts at +the checkpoints. */ +UNIV_INTERN char srv_adaptive_flushing = TRUE; + /* The sort order table of the MySQL latin1_swedish_ci character set collation */ UNIV_INTERN const byte* srv_latin1_ordering; @@ -179,7 +209,16 @@ UNIV_INTERN ulint srv_buf_pool_curr_size = 0; UNIV_INTERN ulint srv_mem_pool_size = ULINT_MAX; UNIV_INTERN ulint srv_lock_table_size = ULINT_MAX; +/* This parameter is deprecated. Use srv_n_io_[read|write]_threads +instead. */ UNIV_INTERN ulint srv_n_file_io_threads = ULINT_MAX; +UNIV_INTERN ulint srv_n_read_io_threads = ULINT_MAX; +UNIV_INTERN ulint srv_n_write_io_threads = ULINT_MAX; + +/* User settable value of the number of pages that must be present +in the buffer cache and accessed sequentially for InnoDB to trigger a +readahead request. */ +UNIV_INTERN ulong srv_read_ahead_threshold = 56; #ifdef UNIV_LOG_ARCHIVE UNIV_INTERN ibool srv_log_archive_on = FALSE; @@ -203,12 +242,15 @@ UNIV_INTERN ulint srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; UNIV_INTERN ulint srv_max_n_open_files = 300; +/* Number of IO operations per second the server can do */ +UNIV_INTERN ulong srv_io_capacity = 200; + /* The InnoDB main thread tries to keep the ratio of modified pages in the buffer pool to all database pages in the buffer pool smaller than the following number. But it is not guaranteed that the value stays below that during a time of heavy update/insert activity. */ -UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 90; +UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 75; /* variable counts amount of data read in total (in bytes) */ UNIV_INTERN ulint srv_data_read = 0; @@ -344,10 +386,10 @@ UNIV_INTERN int srv_query_thread_priority = 0; UNIV_INTERN ulong srv_replication_delay = 0; /*-------------------------------------------*/ -UNIV_INTERN ulong srv_n_spin_wait_rounds = 20; +UNIV_INTERN ulong srv_n_spin_wait_rounds = 30; UNIV_INTERN ulong srv_n_free_tickets_to_enter = 500; UNIV_INTERN ulong srv_thread_sleep_delay = 10000; -UNIV_INTERN ulong srv_spin_wait_delay = 5; +UNIV_INTERN ulong srv_spin_wait_delay = 6; UNIV_INTERN ibool srv_priority_boost = TRUE; #ifdef UNIV_DEBUG @@ -414,6 +456,36 @@ UNIV_INTERN FILE* srv_misc_tmpfile; UNIV_INTERN ulint srv_main_thread_process_no = 0; UNIV_INTERN ulint srv_main_thread_id = 0; +/* The following count work done by srv_master_thread. */ + +/* Iterations by the 'once per second' loop. */ +static ulint srv_main_1_second_loops = 0; +/* Calls to sleep by the 'once per second' loop. */ +static ulint srv_main_sleeps = 0; +/* Iterations by the 'once per 10 seconds' loop. */ +static ulint srv_main_10_second_loops = 0; +/* Iterations of the loop bounded by the 'background_loop' label. */ +static ulint srv_main_background_loops = 0; +/* Iterations of the loop bounded by the 'flush_loop' label. */ +static ulint srv_main_flush_loops = 0; +/* Log writes involving flush. */ +static ulint srv_log_writes_and_flush = 0; +/* Log writes not including flush. */ +static ulint srv_log_buffer_writes = 0; + +/* This is only ever touched by the master thread. It records the +time when the last flush of log file has happened. The master +thread ensures that we flush the log files at least once per +second. */ +static time_t srv_last_log_flush_time; + +/* The master thread performs various tasks based on the current +state of IO activity and the level of IO utilization is past +intervals. Following macros define thresholds for these conditions. */ +#define SRV_PEND_IO_THRESHOLD (PCT_IO(3)) +#define SRV_RECENT_IO_ACTIVITY (PCT_IO(5)) +#define SRV_PAST_IO_ACTIVITY (PCT_IO(200)) + /* IMPLEMENTATION OF THE SERVER MAIN PROGRAM ========================================= @@ -635,6 +707,24 @@ are indexed by the type of the thread. */ UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; +/*********************************************************************** +Prints counters for work done by srv_master_thread. */ +static +void +srv_print_master_thread_info( +/*=========================*/ + FILE *file) /* in: output stream */ +{ + fprintf(file, "srv_master_thread loops: %lu 1_second, %lu sleeps, " + "%lu 10_second, %lu background, %lu flush\n", + srv_main_1_second_loops, srv_main_sleeps, + srv_main_10_second_loops, srv_main_background_loops, + srv_main_flush_loops); + fprintf(file, "srv_master_thread log flush and writes: %lu " + " log writes only: %lu\n", + srv_log_writes_and_flush, srv_log_buffer_writes); +} + /*********************************************************************//** Sets the info describing an i/o thread current state. */ UNIV_INTERN @@ -1629,6 +1719,11 @@ srv_printf_innodb_monitor( "Per second averages calculated from the last %lu seconds\n", (ulong)time_elapsed); + fputs("----------\n" + "BACKGROUND THREAD\n" + "----------\n", file); + srv_print_master_thread_info(file); + fputs("----------\n" "SEMAPHORES\n" "----------\n", file); @@ -2088,13 +2183,16 @@ loop: } /* Update the statistics collected for deciding LRU - eviction policy. */ + eviction policy. */ buf_LRU_stat_update(); + /* Update the statistics collected for flush rate policy. */ + buf_flush_stat_update(); + /* In case mutex_exit is not a memory barrier, it is theoretically possible some threads are left waiting though the semaphore is already released. Wake up those threads: */ - + sync_arr_wake_threads_if_sema_free(); if (sync_array_print_long_waits()) { @@ -2175,6 +2273,32 @@ srv_wake_master_thread(void) mutex_exit(&kernel_mutex); } +/********************************************************************** +The master thread is tasked to ensure that flush of log file happens +once every second in the background. This is to ensure that not more +than one second of trxs are lost in case of crash when +innodb_flush_logs_at_trx_commit != 1 */ +static +void +srv_sync_log_buffer_in_background(void) +/*===================================*/ +{ + time_t current_time = time(NULL); + + srv_main_thread_op_info = "flushing log"; + if (difftime(current_time, srv_last_log_flush_time) >= 1) { + log_buffer_sync_in_background(TRUE); + srv_last_log_flush_time = current_time; + srv_log_writes_and_flush++; + } else { + /* Actually we don't need to write logs here. + We are just being extra safe here by forcing + the log buffer to log file. */ + log_buffer_sync_in_background(FALSE); + srv_log_buffer_writes++; + } +} + /*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ @@ -2187,8 +2311,6 @@ srv_master_thread( os_thread_create */ { os_event_t event; - time_t last_flush_time; - time_t current_time; ulint old_activity_count; ulint n_pages_purged = 0; ulint n_bytes_merged; @@ -2241,16 +2363,19 @@ loop: /* ---- We run the following loop approximately once per second when there is database activity */ + srv_last_log_flush_time = time(NULL); skip_sleep = FALSE; for (i = 0; i < 10; i++) { n_ios_old = log_sys->n_log_ios + buf_pool->n_pages_read + buf_pool->n_pages_written; srv_main_thread_op_info = "sleeping"; + srv_main_1_second_loops++; if (!skip_sleep) { os_thread_sleep(1000000); + srv_main_sleeps++; } skip_sleep = FALSE; @@ -2270,33 +2395,27 @@ loop: goto background_loop; } - /* We flush the log once in a second even if no commit - is issued or the we have specified in my.cnf no flush - at transaction commit */ - - srv_main_thread_op_info = "flushing log"; - log_buffer_flush_to_disk(); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); srv_main_thread_op_info = "making checkpoint"; log_free_check(); - /* If there were less than 5 i/os during the - one second sleep, we assume that there is free - disk i/o capacity available, and it makes sense to - do an insert buffer merge. */ + /* If i/os during one second sleep were less than 5% of + capacity, we assume that there is free disk i/o capacity + available, and it makes sense to do an insert buffer merge. */ n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; n_ios = log_sys->n_log_ios + buf_pool->n_pages_read + buf_pool->n_pages_written; - if (n_pend_ios < 3 && (n_ios - n_ios_old < 5)) { + if (n_pend_ios < SRV_PEND_IO_THRESHOLD + && (n_ios - n_ios_old < SRV_RECENT_IO_ACTIVITY)) { srv_main_thread_op_info = "doing insert buffer merge"; - ibuf_contract_for_n_pages( - TRUE, srv_insert_buffer_batch_size / 4); + ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); - srv_main_thread_op_info = "flushing log"; - - log_buffer_flush_to_disk(); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); } if (UNIV_UNLIKELY(buf_get_modified_ratio_pct() @@ -2305,7 +2424,8 @@ loop: /* Try to keep the number of modified pages in the buffer pool under the limit wished by the user */ - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100, + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), IB_ULONGLONG_MAX); /* If we had to do the flush, it may have taken @@ -2314,6 +2434,22 @@ loop: iteration of this loop. */ skip_sleep = TRUE; + } else if (srv_adaptive_flushing) { + + /* Try to keep the rate of flushing of dirty + pages such that redo log generation does not + produce bursts of IO at checkpoint time. */ + ulint n_flush = buf_flush_get_desired_flush_rate(); + + if (n_flush) { + n_flush = ut_min(PCT_IO(100), n_flush); + n_pages_flushed = + buf_flush_batch( + BUF_FLUSH_LIST, + n_flush, + IB_ULONGLONG_MAX); + skip_sleep = TRUE; + } } if (srv_activity_count == old_activity_count) { @@ -2333,36 +2469,42 @@ loop: seconds */ mem_validate_all_blocks(); #endif - /* If there were less than 200 i/os during the 10 second period, - we assume that there is free disk i/o capacity available, and it - makes sense to flush 100 pages. */ + /* If i/os during the 10 second period were less than 200% of + capacity, we assume that there is free disk i/o capacity + available, and it makes sense to flush srv_io_capacity pages. + + Note that this is done regardless of the fraction of dirty + pages relative to the max requested by the user. The one second + loop above requests writes for that case. The writes done here + are not required, and may be disabled. */ n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; n_ios = log_sys->n_log_ios + buf_pool->n_pages_read + buf_pool->n_pages_written; - if (n_pend_ios < 3 && (n_ios - n_ios_very_old < 200)) { + + srv_main_10_second_loops++; + if (n_pend_ios < SRV_PEND_IO_THRESHOLD + && (n_ios - n_ios_very_old < SRV_PAST_IO_ACTIVITY)) { srv_main_thread_op_info = "flushing buffer pool pages"; - buf_flush_batch(BUF_FLUSH_LIST, 100, IB_ULONGLONG_MAX); + buf_flush_batch(BUF_FLUSH_LIST, PCT_IO(100), + IB_ULONGLONG_MAX); - srv_main_thread_op_info = "flushing log"; - log_buffer_flush_to_disk(); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); } /* We run a batch of insert buffer merge every 10 seconds, even if the server were active */ srv_main_thread_op_info = "doing insert buffer merge"; - ibuf_contract_for_n_pages(TRUE, srv_insert_buffer_batch_size / 4); + ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); - srv_main_thread_op_info = "flushing log"; - log_buffer_flush_to_disk(); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); /* We run a full purge every 10 seconds, even if the server were active */ - - last_flush_time = time(NULL); - do { if (srv_fast_shutdown && srv_shutdown_state > 0) { @@ -2373,14 +2515,9 @@ loop: srv_main_thread_op_info = "purging"; n_pages_purged = trx_purge(); - current_time = time(NULL); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); - if (difftime(current_time, last_flush_time) > 1) { - srv_main_thread_op_info = "flushing log"; - - log_buffer_flush_to_disk(); - last_flush_time = current_time; - } } while (n_pages_purged); srv_main_thread_op_info = "flushing buffer pool pages"; @@ -2393,14 +2530,16 @@ loop: (> 70 %), we assume we can afford reserving the disk(s) for the time it requires to flush 100 pages */ - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100, + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), IB_ULONGLONG_MAX); } else { /* Otherwise, we only flush a small number of pages so that we do not unnecessarily use much disk i/o capacity from other work */ - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 10, + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(10), IB_ULONGLONG_MAX); } @@ -2434,7 +2573,7 @@ background_loop: /* The server has been quiet for a while: start running background operations */ - + srv_main_background_loops++; srv_main_thread_op_info = "doing background drop tables"; n_tables_to_drop = row_drop_tables_for_mysql_in_background(); @@ -2451,9 +2590,6 @@ background_loop: srv_main_thread_op_info = "purging"; /* Run a full purge */ - - last_flush_time = time(NULL); - do { if (srv_fast_shutdown && srv_shutdown_state > 0) { @@ -2463,14 +2599,9 @@ background_loop: srv_main_thread_op_info = "purging"; n_pages_purged = trx_purge(); - current_time = time(NULL); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); - if (difftime(current_time, last_flush_time) > 1) { - srv_main_thread_op_info = "flushing log"; - - log_buffer_flush_to_disk(); - last_flush_time = current_time; - } } while (n_pages_purged); srv_main_thread_op_info = "reserving kernel mutex"; @@ -2487,8 +2618,12 @@ background_loop: if (srv_fast_shutdown && srv_shutdown_state > 0) { n_bytes_merged = 0; } else { - n_bytes_merged = ibuf_contract_for_n_pages( - TRUE, srv_insert_buffer_batch_size); + /* This should do an amount of IO similar to the number of + dirty pages that will be flushed in the call to + buf_flush_batch below. Otherwise, the system favors + clean pages over cleanup throughput. */ + n_bytes_merged = ibuf_contract_for_n_pages(FALSE, + PCT_IO(100)); } srv_main_thread_op_info = "reserving kernel mutex"; @@ -2502,9 +2637,10 @@ background_loop: flush_loop: srv_main_thread_op_info = "flushing buffer pool pages"; - + srv_main_flush_loops++; if (srv_fast_shutdown < 2) { - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100, + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), IB_ULONGLONG_MAX); } else { /* In the fastest shutdown we do not flush the buffer pool @@ -2525,9 +2661,8 @@ flush_loop: srv_main_thread_op_info = "waiting for buffer pool flush to end"; buf_flush_wait_batch_end(BUF_FLUSH_LIST); - srv_main_thread_op_info = "flushing log"; - - log_buffer_flush_to_disk(); + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); srv_main_thread_op_info = "making checkpoint"; diff --git a/srv/srv0start.c b/srv/srv0start.c index 923004be6bd..36510a8de80 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -22,6 +22,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /********************************************************************//** @file srv/srv0start.c @@ -996,7 +1022,6 @@ innobase_start_or_create_for_mysql(void) ibool log_file_created; ibool log_created = FALSE; ibool log_opened = FALSE; - ibool success; ib_uint64_t min_flushed_lsn; ib_uint64_t max_flushed_lsn; #ifdef UNIV_LOG_ARCHIVE @@ -1008,6 +1033,7 @@ innobase_start_or_create_for_mysql(void) ulint tablespace_size_in_header; ulint err; ulint i; + ulint io_limit; my_bool srv_file_per_table_original_value = srv_file_per_table; mtr_t mtr; @@ -1135,19 +1161,21 @@ innobase_start_or_create_for_mysql(void) srv_startup_is_before_trx_rollback_phase = TRUE; #ifdef __WIN__ - if (os_get_os_version() == OS_WIN95 - || os_get_os_version() == OS_WIN31 - || os_get_os_version() == OS_WINNT) { - + switch (os_get_os_version()) { + case OS_WIN95: + case OS_WIN31: + case OS_WINNT: /* On Win 95, 98, ME, Win32 subsystem for Windows 3.1, and NT use simulated aio. In NT Windows provides async i/o, but when run in conjunction with InnoDB Hot Backup, it seemed to corrupt the data files. */ srv_use_native_aio = FALSE; - } else { + break; + default: /* On Win 2000 and XP use async i/o */ srv_use_native_aio = TRUE; + break; } #elif defined(LINUX_NATIVE_AIO) @@ -1283,46 +1311,35 @@ innobase_start_or_create_for_mysql(void) return(DB_ERROR); } - /* Restrict the maximum number of file i/o threads */ - if (srv_n_file_io_threads > SRV_MAX_N_IO_THREADS) { - - srv_n_file_io_threads = SRV_MAX_N_IO_THREADS; + /* If user has set the value of innodb_file_io_threads then + we'll emit a message telling the user that this parameter + is now deprecated. */ + if (srv_n_file_io_threads != 4) { + fprintf(stderr, "InnoDB: Warning:" + " innodb_file_io_threads is deprecated." + " Please use innodb_read_io_threads and" + " innodb_write_io_threads instead\n"); } + /* Now overwrite the value on srv_n_file_io_threads */ + srv_n_file_io_threads = 2 + srv_n_read_io_threads + + srv_n_write_io_threads; + + ut_a(srv_n_file_io_threads <= SRV_MAX_N_IO_THREADS); + + /* TODO: Investigate if SRV_N_PENDING_IOS_PER_THREAD (32) limit + still applies to windows. */ if (!srv_use_native_aio) { - /* In simulated aio we currently have use only for 4 threads */ - srv_n_file_io_threads = 4; - - success = os_aio_init(8 * SRV_N_PENDING_IOS_PER_THREAD * - srv_n_file_io_threads, - srv_n_file_io_threads, - SRV_MAX_N_PENDING_SYNC_IOS); - if (!success) { - return(DB_ERROR); - } + io_limit = 8 * SRV_N_PENDING_IOS_PER_THREAD; } else { - /* Windows has a pending IO per thread limit. - Linux does not have any such restriction. - The question of what should be segment size - is a trade off. The larger size means longer - linear searches through the array and a smaller - value can lead to array being full, causing - unnecessary delays. The following value - for Linux is fairly arbitrary and needs to be - tested and tuned. */ - success = os_aio_init( -#if defined(LINUX_NATIVE_AIO) - 8 * -#endif /* LINUX_NATIVE_AIO */ - SRV_N_PENDING_IOS_PER_THREAD * - srv_n_file_io_threads, - srv_n_file_io_threads, - SRV_MAX_N_PENDING_SYNC_IOS); - if (!success) { - return(DB_ERROR); - } + io_limit = SRV_N_PENDING_IOS_PER_THREAD; } + os_aio_init(io_limit, + srv_n_read_io_threads, + srv_n_write_io_threads, + SRV_MAX_N_PENDING_SYNC_IOS); + fil_init(srv_file_per_table ? 50000 : 5000, srv_max_n_open_files); diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 39a3c7d98d5..84ed08e14e7 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -484,11 +484,13 @@ spin_loop: if (i == SYNC_SPIN_ROUNDS) { #ifdef UNIV_DEBUG mutex->count_os_yield++; - if (timed_mutexes == 1 && timer_started==0) { +#ifndef UNIV_HOTBACKUP + if (timed_mutexes && timer_started == 0) { ut_usectime(&sec, &ms); lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } +#endif /* UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG */ os_thread_yield(); } @@ -583,12 +585,13 @@ spin_loop: mutex->count_os_wait++; #ifdef UNIV_DEBUG /* !!!!! Sometimes os_wait can be called without os_thread_yield */ - - if (timed_mutexes == 1 && timer_started==0) { +#ifndef UNIV_HOTBACKUP + if (timed_mutexes == 1 && timer_started == 0) { ut_usectime(&sec, &ms); lstart_time= (ib_int64_t)sec * 1000000 + ms; timer_started = 1; } +#endif /* UNIV_HOTBACKUP */ #endif /* UNIV_DEBUG */ sync_array_wait_event(sync_primary_wait_array, index); diff --git a/trx/trx0purge.c b/trx/trx0purge.c index b936d4d5d74..cd79fd1c315 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -31,6 +31,7 @@ Created 3/26/1996 Heikki Tuuri #include "fsp0fsp.h" #include "mach0data.h" +#include "mtr0log.h" #include "trx0rseg.h" #include "trx0trx.h" #include "trx0roll.h" diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 502dba4553d..ef10119587d 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -31,7 +31,8 @@ Created 3/26/1996 Heikki Tuuri #ifndef UNIV_HOTBACKUP #include "fsp0fsp.h" -#include "mtr0mtr.h" +#include "mtr0log.h" +#include "mtr0log.h" #include "trx0trx.h" #include "trx0rseg.h" #include "trx0undo.h" @@ -60,6 +61,8 @@ UNIV_INTERN trx_doublewrite_t* trx_doublewrite = NULL; /** The following is set to TRUE when we are upgrading from pre-4.1 format data files to the multiple tablespaces format data files */ UNIV_INTERN ibool trx_doublewrite_must_reset_space_ids = FALSE; +/** Set to TRUE when the doublewrite buffer is being created */ +UNIV_INTERN ibool trx_doublewrite_buf_is_being_created = FALSE; /** The following is TRUE when we are using the database in the post-4.1 format, i.e., we have successfully upgraded, or have created @@ -86,6 +89,7 @@ UNIV_INTERN char trx_sys_mysql_bin_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; /** Binlog file position, or -1 if unknown */ UNIV_INTERN ib_int64_t trx_sys_mysql_bin_log_pos = -1; /* @} */ +#endif /* !UNIV_HOTBACKUP */ /** List of animal names representing file format. */ static const char* file_format_name_map[] = { @@ -121,6 +125,7 @@ static const char* file_format_name_map[] = { static const ulint FILE_FORMAT_NAME_N = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); +#ifndef UNIV_HOTBACKUP /** This is used to track the maximum file format id known to InnoDB. It's updated via SET GLOBAL innodb_file_format_check = 'x' or when we open or create a table. */ @@ -251,6 +256,7 @@ trx_sys_create_doublewrite_buf(void) start_again: mtr_start(&mtr); + trx_doublewrite_buf_is_being_created = TRUE; block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); @@ -266,6 +272,7 @@ start_again: trx_doublewrite_init(doublewrite); mtr_commit(&mtr); + trx_doublewrite_buf_is_being_created = FALSE; } else { fprintf(stderr, "InnoDB: Doublewrite buffer not found:" @@ -341,15 +348,8 @@ start_again: buf_block_dbg_add_level(new_block, SYNC_NO_ORDER_CHECK); - /* Make a dummy change to the page to ensure it will - be written to disk in a flush */ - - mlog_write_ulint(buf_block_get_frame(new_block) - + FIL_PAGE_TYPE, - FIL_PAGE_TYPE_ALLOCATED, - MLOG_2BYTES, &mtr); - if (i == FSP_EXTENT_SIZE / 2) { + ut_a(page_no == FSP_EXTENT_SIZE); mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK1, page_no, MLOG_4BYTES, &mtr); @@ -359,6 +359,7 @@ start_again: page_no, MLOG_4BYTES, &mtr); } else if (i == FSP_EXTENT_SIZE / 2 + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + ut_a(page_no == 2 * FSP_EXTENT_SIZE); mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK2, page_no, MLOG_4BYTES, &mtr); @@ -1333,4 +1334,202 @@ trx_sys_print_mysql_binlog_offset_from_page( + TRX_SYS_MYSQL_LOG_NAME); } } + + +/* THESE ARE COPIED FROM NON-HOTBACKUP PART OF THE INNODB SOURCE TREE + (This code duplicaton should be fixed at some point!) +*/ + +#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ +/* The offset of the file format tag on the trx system header page */ +#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) +/* We use these random constants to reduce the probability of reading +garbage (from previous versions) that maps to an actual format id. We +use these as bit masks at the time of reading and writing from/to disk. */ +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL + +/* END OF COPIED DEFINITIONS */ + + +/*****************************************************************//** +Reads the file format id from the first system table space file. +Even if the call succeeds and returns TRUE, the returned format id +may be ULINT_UNDEFINED signalling that the format id was not present +in the data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_file_format_id( +/*========================*/ + const char *pathname, /*!< in: pathname of the first system + table space file */ + ulint *format_id) /*!< out: file format of the system table + space */ +{ + os_file_t file; + ibool success; + byte buf[UNIV_PAGE_SIZE * 2]; + page_t* page = ut_align(buf, UNIV_PAGE_SIZE); + const byte* ptr; + dulint file_format_id; + + *format_id = ULINT_UNDEFINED; + + file = os_file_create_simple_no_error_handling( + pathname, + OS_FILE_OPEN, + OS_FILE_READ_ONLY, + &success + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read system tablespace file format,\n" +" ibbackup: but could not open the tablespace file %s!\n", + pathname + ); + return(FALSE); + } + + /* Read the page on which file format is stored */ + + success = os_file_read_no_error_handling( + file, page, TRX_SYS_PAGE_NO * UNIV_PAGE_SIZE, 0, UNIV_PAGE_SIZE + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read system table space file format,\n" +" ibbackup: but failed to read the tablespace file %s!\n", + pathname + ); + os_file_close(file); + return(FALSE); + } + os_file_close(file); + + /* get the file format from the page */ + ptr = page + TRX_SYS_FILE_FORMAT_TAG; + file_format_id = mach_read_from_8(ptr); + + *format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH + || *format_id >= FILE_FORMAT_NAME_N) { + + /* Either it has never been tagged, or garbage in it. */ + *format_id = ULINT_UNDEFINED; + return(TRUE); + } + + return(TRUE); +} + + +/*****************************************************************//** +Reads the file format id from the given per-table data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_pertable_file_format_id( +/*=================================*/ + const char *pathname, /*!< in: pathname of a per-table + datafile */ + ulint *format_id) /*!< out: file format of the per-table + data file */ +{ + os_file_t file; + ibool success; + byte buf[UNIV_PAGE_SIZE * 2]; + page_t* page = ut_align(buf, UNIV_PAGE_SIZE); + const byte* ptr; + ib_uint32_t flags; + + *format_id = ULINT_UNDEFINED; + + file = os_file_create_simple_no_error_handling( + pathname, + OS_FILE_OPEN, + OS_FILE_READ_ONLY, + &success + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read per-table tablespace format,\n" +" ibbackup: but could not open the tablespace file %s!\n", + pathname + ); + return(FALSE); + } + + /* Read the first page of the per-table datafile */ + + success = os_file_read_no_error_handling( + file, page, 0, 0, UNIV_PAGE_SIZE + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to per-table data file format,\n" +" ibbackup: but failed to read the tablespace file %s!\n", + pathname + ); + os_file_close(file); + return(FALSE); + } + os_file_close(file); + + /* get the file format from the page */ + ptr = page + 54; + flags = mach_read_from_4(ptr); + if (flags == 0) { + /* file format is Antelope */ + *format_id = 0; + return (TRUE); + } else if (flags & 1) { + /* tablespace flags are ok */ + *format_id = (flags / 32) % 128; + return (TRUE); + } else { + /* bad tablespace flags */ + return(FALSE); + } +} + + +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id) /*!< in: id of the file format */ +{ + if (!(id < FILE_FORMAT_NAME_N)) { + /* unknown id */ + return ("Unknown"); + } + + return(file_format_name_map[id]); +} + #endif /* !UNIV_HOTBACKUP */ diff --git a/trx/trx0undo.c b/trx/trx0undo.c index b04a4070aea..9af96f14526 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -32,6 +32,7 @@ Created 3/26/1996 Heikki Tuuri #include "fsp0fsp.h" #ifndef UNIV_HOTBACKUP #include "mach0data.h" +#include "mtr0log.h" #include "trx0rseg.h" #include "trx0trx.h" #include "srv0srv.h" diff --git a/ut/ut0mem.c b/ut/ut0mem.c index 7ed43d32fe0..edb63c95700 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -333,7 +333,7 @@ man realloc in Linux, 2004: realloc() changes the size of the memory block pointed to by ptr to size bytes. The contents will be unchanged to - the minimum of the old and new sizes; newly allocated mem­ + the minimum of the old and new sizes; newly allocated mem- ory will be uninitialized. If ptr is NULL, the call is equivalent to malloc(size); if size is equal to zero, the call is equivalent to free(ptr). Unless ptr is NULL, it diff --git a/ut/ut0ut.c b/ut/ut0ut.c index c0ea362bee3..e4cc226fbad 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -1,6 +1,13 @@ /***************************************************************************** Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Sun Microsystems, Inc. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -391,6 +398,7 @@ ut_delay( for (i = 0; i < delay * 50; i++) { j += i; + UT_RELAX_CPU(); } if (ut_always_false) { From 2677895f7485030ef1ceb1f350e291625c794530 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Fri, 31 Jul 2009 14:30:26 +0000 Subject: [PATCH 141/400] branches/innodb+ Refactor slot selection code in AIO interface. Pointed by: Sunny --- os/os0file.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/os/os0file.c b/os/os0file.c index ebeac38418d..070e3183a04 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -3451,6 +3451,7 @@ os_aio_array_reserve_slot( #endif ulint i; + ulint counter; ulint slots_per_seg; ulint local_seg; @@ -3481,17 +3482,13 @@ loop: goto loop; } - /* First try to find a slot in the preferred local segment */ - for (i = local_seg * slots_per_seg; i < array->n_slots; i++) { - slot = os_aio_array_get_nth_slot(array, i); + /* We start our search for an available slot from our preferred + local segment and do a full scan of the array. We are + guaranteed to find a slot in full scan. */ + for (i = local_seg * slots_per_seg, counter = 0; + counter < array->n_slots; i++, counter++) { - if (slot->reserved == FALSE) { - goto found; - } - } - - /* Fall back to a full scan. We are guaranteed to find a slot */ - for (i = 0;; i++) { + i %= array->n_slots; slot = os_aio_array_get_nth_slot(array, i); if (slot->reserved == FALSE) { From 95b46843b7f48595458008b6414cd08fa54f7930 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Mon, 28 Sep 2009 17:34:23 +0000 Subject: [PATCH 142/400] branches/innodb+: Merged revisions 5525:5971 from branches/zip ------------------------------------------------------------------------ r5971 | marko | 2009-09-23 09:03:51 -0400 (Wed, 23 Sep 2009) | 2 lines branches/zip: os_file_pwrite(): Make the code compile in InnoDB Hot Backup when the pwrite system call is not available. ------------------------------------------------------------------------ r5956 | calvin | 2009-09-22 19:30:10 -0400 (Tue, 22 Sep 2009) | 4 lines branches/zip: remove handler0vars.h from Makefile.am Left over from r5950. ------------------------------------------------------------------------ r5951 | calvin | 2009-09-22 11:17:01 -0400 (Tue, 22 Sep 2009) | 4 lines branches/zip: adjust CMake file to work with old versions of MySQL Tested with MySQL 5.1.38 and 5.1.30. ------------------------------------------------------------------------ r5950 | calvin | 2009-09-22 02:42:46 -0400 (Tue, 22 Sep 2009) | 17 lines branches/zip: adjust Windows loading method for 5.1.38 Starting at 5.1.38, MySQL server exports symbols needed for dynamic plugin on Windows. There is no need for Windows specific loading. Also, the CMake files are simplified in 5.1.38. When WITH_INNOBASE_STORAGE_ENGINE is specified during configuration (win\configure.js), InnoDB is built as a static library. Otherwise, a dynamic InnoDB will be built (ha_innodb.dll). CMakeLists.txt requires minor changes in order to work with MySQL prior to 5.1.38. The changes will be in a separate patch. This patch addresses Mantis issue#286. ------------------------------------------------------------------------ r5945 | calvin | 2009-09-21 10:53:22 -0400 (Mon, 21 Sep 2009) | 4 lines branches/zip: fix a type in r5935 Should be innodb_open_files, spotted by Michael. ------------------------------------------------------------------------ r5940 | vasil | 2009-09-21 01:26:04 -0400 (Mon, 21 Sep 2009) | 4 lines branches/zip: Add ChangeLog entries for c5938. ------------------------------------------------------------------------ r5938 | calvin | 2009-09-19 03:14:25 -0400 (Sat, 19 Sep 2009) | 41 lines branches/zip: Merge revisions 2584:2956 from branches/6.0, except c2932. Bug#37232 and bug#31183 were fixed in the 6.0 branch only. They should be fixed in the plugin too, specially MySQL 6.0 is discontinued at this point. ------------------------------------------------------------------------ r2604 | inaam | 2008-08-21 09:37:06 -0500 (Thu, 21 Aug 2008) | 8 lines branches/6.0 bug#37232 Relax locking behaviour for REPLACE INTO t SELECT ... FROM t1. Now SELECT on t1 is performed as a consistent read when the isolation level is set to READ COMMITTED. Reviewed by: Heikki ------------------------------------------------------------------------ r2605 | inaam | 2008-08-21 09:59:33 -0500 (Thu, 21 Aug 2008) | 7 lines branches/6.0 Added a comment to clarify why distinct calls to read MySQL binary log file name and log position do not entail any race condition. Suggested by: Heikki ------------------------------------------------------------------------ r2956 | inaam | 2008-11-04 04:47:30 -0600 (Tue, 04 Nov 2008) | 11 lines branches/6.0 bug#31183 If the system tablespace runs out of space because 'autoextend' is not specified with innodb_data_file_path there was no error message printed to the error log. The client would get 'table full' error. This patch prints an appropriate error message to the error log. rb://43 Approved by: Marko ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5935 | calvin | 2009-09-18 17:08:02 -0400 (Fri, 18 Sep 2009) | 6 lines branches/zip: fix bug#44338; minor non-functional changes Bug#44338 innodb has message about non-existing option innodb_max_files_open. Change the option to innodb_open_files. The fix was committed into 6.0 branch. ------------------------------------------------------------------------ r5934 | vasil | 2009-09-18 13:06:46 -0400 (Fri, 18 Sep 2009) | 4 lines branches/zip: Fix typo. ------------------------------------------------------------------------ r5924 | vasil | 2009-09-18 00:59:30 -0400 (Fri, 18 Sep 2009) | 4 lines branches/zip: White space and formatting cleanup in the ChangeLog ------------------------------------------------------------------------ r5922 | marko | 2009-09-17 02:32:08 -0400 (Thu, 17 Sep 2009) | 4 lines branches/zip: innodb-zip.test: Make the test work with zlib 1.2.3.3. Apparently, the definition of compressBound() has slightly changed. This has been filed as Mantis Issue #345. ------------------------------------------------------------------------ r5920 | vasil | 2009-09-16 14:47:22 -0400 (Wed, 16 Sep 2009) | 4 lines branches/zip: Add ChangeLog entries for r5916. ------------------------------------------------------------------------ r5919 | vasil | 2009-09-16 14:37:13 -0400 (Wed, 16 Sep 2009) | 4 lines branches/zip: Whitespace cleanup in the ChangeLog. ------------------------------------------------------------------------ r5917 | marko | 2009-09-16 05:56:23 -0400 (Wed, 16 Sep 2009) | 1 line branches/zip: innobase_get_cset_width(): Cache the value of current_thd. ------------------------------------------------------------------------ r5916 | marko | 2009-09-16 05:54:43 -0400 (Wed, 16 Sep 2009) | 128 lines branches/zip: Merge revisions 5622:5912 from branches/5.1, except r5700 (changes to CMakeLists.txt) ------------------------------------------------------------------------ r5622 | vasil | 2009-08-03 15:27:00 +0300 (Mon, 03 Aug 2009) | 20 lines Changed paths: M /branches/5.1/Makefile.am branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2988 committer: Satya B branch nick: mysql-5.1-bugteam timestamp: Wed 2009-07-01 11:06:05 +0530 message: Fix build failure after applying Innodb snapshot 5.1-ss5282 After applying Innodb snapshot 5.1-ss5282, build was broken because of missing header file. Adding the header file to Makefile.am after informing the innodb developers. modified: storage/innobase/Makefile.am ------------------------------------------------------------------------ r5740 | jyang | 2009-09-03 06:33:47 +0300 (Thu, 03 Sep 2009) | 5 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/db0err.h A /branches/5.1/mysql-test/innodb_bug46000.result A /branches/5.1/mysql-test/innodb_bug46000.test branches/5.1: Disallow creating index with the name of "GEN_CLUST_INDEX" which is reserved for the default system primary index. (Bug #46000) rb://149 approved by Sunny Bains. ------------------------------------------------------------------------ r5741 | jyang | 2009-09-03 07:16:01 +0300 (Thu, 03 Sep 2009) | 5 lines Changed paths: M /branches/5.1/dict/dict0dict.c M /branches/5.1/handler/ha_innodb.cc A /branches/5.1/mysql-test/innodb_bug44369.result A /branches/5.1/mysql-test/innodb_bug44369.test M /branches/5.1/row/row0mysql.c branches/5.1: Block creating table with column name conflicting with Innodb reserved key words. (Bug #44369) rb://151 approved by Sunny Bains. ------------------------------------------------------------------------ r5757 | jyang | 2009-09-04 04:26:13 +0300 (Fri, 04 Sep 2009) | 3 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/db0err.h D /branches/5.1/mysql-test/innodb_bug46000.result D /branches/5.1/mysql-test/innodb_bug46000.test branches/5.1: Revert change in 5740. Making the fix in a subsequent check in. ------------------------------------------------------------------------ r5760 | jyang | 2009-09-04 07:07:34 +0300 (Fri, 04 Sep 2009) | 3 lines Changed paths: M /branches/5.1/dict/dict0dict.c M /branches/5.1/handler/ha_innodb.cc D /branches/5.1/mysql-test/innodb_bug44369.result D /branches/5.1/mysql-test/innodb_bug44369.test M /branches/5.1/row/row0mysql.c branches/5.1: This is to revert change 5741. A return status for create_table_def() needs to be fixed. ------------------------------------------------------------------------ r5797 | calvin | 2009-09-09 18:26:29 +0300 (Wed, 09 Sep 2009) | 3 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: merge change from 5.1.38 HA_ERR_TOO_MANY_CONCURRENT_TRXS is added in 5.1.38. ------------------------------------------------------------------------ r5799 | calvin | 2009-09-09 20:47:31 +0300 (Wed, 09 Sep 2009) | 10 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: fix bug#46256 Allow tables to be dropped even if the collation is not found, but issue a warning. Could not find an easy way to add mysql-test since it requires changes to charsets and restarting the server. Tests were executed manually. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r5805 | vasil | 2009-09-10 08:41:48 +0300 (Thu, 10 Sep 2009) | 7 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Fix a compilation warning caused by c5799: handler/ha_innodb.cc: In function 'void innobase_get_cset_width(ulint, ulint*, ulint*)': handler/ha_innodb.cc:830: warning: format '%d' expects type 'int', but argument 2 has type 'ulint' ------------------------------------------------------------------------ r5834 | jyang | 2009-09-11 00:43:05 +0300 (Fri, 11 Sep 2009) | 5 lines Changed paths: M /branches/5.1/dict/dict0dict.c M /branches/5.1/handler/ha_innodb.cc A /branches/5.1/mysql-test/innodb_bug44369.result A /branches/5.1/mysql-test/innodb_bug44369.test M /branches/5.1/row/row0mysql.c branches/5.1: Block creating table with column name conflicting with Innodb reserved key words. (Bug #44369) rb://151 approved by Sunny Bains. ------------------------------------------------------------------------ r5895 | jyang | 2009-09-15 03:39:21 +0300 (Tue, 15 Sep 2009) | 5 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc A /branches/5.1/mysql-test/innodb_bug46000.result A /branches/5.1/mysql-test/innodb_bug46000.test branches/5.1: Disallow creating index with the name of "GEN_CLUST_INDEX" which is reserved for the default system primary index. (Bug #46000) rb://149 approved by Marko Makela. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5910 | marko | 2009-09-16 04:07:21 -0400 (Wed, 16 Sep 2009) | 9 lines branches/zip: Introduce UNIV_LOG_LSN_DEBUG and MLOG_LSN for redo log diagnostics. This was written in order to better track down Issue #313 in InnoDB Hot Backup. MLOG_LSN: A new redo log entry type, for recording the current log sequence number (LSN). This will be checked in an assertion in recv_parse_log_rec(). rb://161, discussed with Sunny and Vasil. ------------------------------------------------------------------------ r5899 | marko | 2009-09-15 07:26:01 -0400 (Tue, 15 Sep 2009) | 4 lines branches/zip: ut0ut.h: Do not #include "os0sync.h" #ifdef UNIV_HOTBACKUP. Since r5872, the InnoDB Hot Backup build was broken. Fix it by not defining any thread synchronization primitives in ut0ut.h. InnoDB Hot Backup is a single-threaded program. ------------------------------------------------------------------------ r5898 | marko | 2009-09-15 06:18:50 -0400 (Tue, 15 Sep 2009) | 2 lines branches/zip: Add */.dirstamp to svn:ignore, for https://svn.innodb.com/svn/hotbackup/branches/3.5 ------------------------------------------------------------------------ r5897 | marko | 2009-09-15 04:29:00 -0400 (Tue, 15 Sep 2009) | 8 lines branches/zip: Avoid bogus messages about latching order violations when UNIV_SYNC_DEBUG is defined. sync_thread_levels_g(): Add the parameter "warn". Do not print anything unless it is set. sync_thread_add_level(): Pass warn=TRUE to sync_thread_levels_g() when the check is within an assertion; FALSE if it is not. ------------------------------------------------------------------------ r5893 | inaam | 2009-09-14 11:20:48 -0400 (Mon, 14 Sep 2009) | 10 lines branches/zip rb://159 In case of pages that are not made young the counter is incremented only when the page in question is 'old'. In case of pages that are made young the counter is incremented in case of all pages. For apple to apple comparison this patch changes the 'young-making' counter to consider only 'old' blocks. Approved by: Marko ------------------------------------------------------------------------ r5889 | vasil | 2009-09-14 05:17:18 -0400 (Mon, 14 Sep 2009) | 5 lines branches/zip: Add missing return statement in the test program that could have caused a warning. ------------------------------------------------------------------------ r5888 | vasil | 2009-09-14 04:38:45 -0400 (Mon, 14 Sep 2009) | 40 lines branches/zip: Back-merge c5880 and c5881 from branches/embedded-1.0: ------------------------------------------------------------------------ r5880 | vasil | 2009-09-12 17:28:44 +0300 (Sat, 12 Sep 2009) | 18 lines Changed paths: M /branches/embedded-1.0/configure.in M /branches/embedded-1.0/include/os0sync.h M /branches/embedded-1.0/srv/srv0start.c branches/embedded-1.0: Clean up and simplify the code that surrounds the atomic ops: * Simplify the code that prints what atomics are used: Instead of repeating the same conditions on which each atomics are used use just one printf that prints a variable defined by the code which chooses what atomics to use. * In os0sync.h pick up each atomic variant only if it has been selected by autoconf (based on IB_ATOMIC_MODE_* macros). Define the startup message to be printed. * In configure.in: check what user has chosen and if he has chosen something that is not available, emit an error. If nothing has been chosen explicitly by the user, auto select an option according to the described logic in configure.in. ------------------------------------------------------------------------ r5881 | vasil | 2009-09-12 20:08:27 +0300 (Sat, 12 Sep 2009) | 4 lines Changed paths: M /branches/embedded-1.0/configure.in branches/embedded-1.0: Fix syntax error in test program. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5875 | vasil | 2009-09-12 08:11:25 -0400 (Sat, 12 Sep 2009) | 4 lines branches/zip: Remove unnecessary macro. ------------------------------------------------------------------------ r5872 | vasil | 2009-09-12 05:35:17 -0400 (Sat, 12 Sep 2009) | 5 lines branches/zip: Explicitly include os0sync.h to the places where HAVE_ATOMIC_BUILTINS and INNODB_RW_LOCKS_USE_ATOMICS are used to avoid potential problems. ------------------------------------------------------------------------ r5871 | vasil | 2009-09-12 05:25:44 -0400 (Sat, 12 Sep 2009) | 6 lines branches/zip: Rename HAVE_SOLARIS_ATOMICS to HAVE_IB_SOLARIS_ATOMICS and IB_HAVE_PAUSE_INSTRUCTION to HAVE_IB_PAUSE_INSTRUCTION so they all follow the same HAVE_IB_* convention. ------------------------------------------------------------------------ r5870 | vasil | 2009-09-12 05:13:44 -0400 (Sat, 12 Sep 2009) | 7 lines branches/zip: Define HAVE_ATOMIC_BUILTINS and INNODB_RW_LOCKS_USE_ATOMICS in os0sync.h instead of in univ.i. The code expects os_*() macros to be present if HAVE_ATOMIC_BUILTINS and INNODB_RW_LOCKS_USE_ATOMICS are defined. So define them next to defining the os_*() macros. ------------------------------------------------------------------------ r5869 | vasil | 2009-09-12 04:33:11 -0400 (Sat, 12 Sep 2009) | 15 lines branches/zip: Include ut0auxconf.h only if none of the macros it would define is defined. The check when to include this header was outdated from the time when there was only one macro involved. Move the atomics checks that are in univ.i outside of #if windows ... #else ... #endif This simplifies the code and removes some duplicates like defining HAVE_ATOMIC_BUILTINS if HAVE_WINDOWS_ATOMICS is defined in both branches. Do not define the same macro HAVE_ATOMIC_PTHREAD_T for different events. Instead define HAVE_IB_ATOMIC_PTHREAD_T_GCC and HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS. ------------------------------------------------------------------------ r5868 | vasil | 2009-09-12 04:01:17 -0400 (Sat, 12 Sep 2009) | 6 lines branches/zip: Move the check whether to include ut0auxconf.h before everything because we are now even checking for GCC atomics, we relied on MySQL to define this macro before. ------------------------------------------------------------------------ r5867 | vasil | 2009-09-12 03:43:45 -0400 (Sat, 12 Sep 2009) | 4 lines branches/zip: Update comment to reflect reality. ------------------------------------------------------------------------ r5866 | vasil | 2009-09-12 03:30:08 -0400 (Sat, 12 Sep 2009) | 5 lines branches/zip: Add the check for GCC atomics to ut0auxconf* (copied from plug.in) because we no longer rely on MySQL's HAVE_GCC_ATOMIC_BUILTINS. ------------------------------------------------------------------------ r5865 | vasil | 2009-09-12 03:26:03 -0400 (Sat, 12 Sep 2009) | 10 lines branches/zip: Simplify the compile time checks by splittig them into 5 independent checks: * Whether GCC atomics are available * Whether pthread_t can be used by GCC atomics * Whether Solaris libc atomics are available * Whether pthread_t can be used by Solaris libs atomics * Checking the size of pthread_t ------------------------------------------------------------------------ r5864 | vasil | 2009-09-12 03:22:55 -0400 (Sat, 12 Sep 2009) | 4 lines branches/zip: Include string.h which is needed for memset(). ------------------------------------------------------------------------ r5863 | vasil | 2009-09-12 03:07:08 -0400 (Sat, 12 Sep 2009) | 10 lines branches/zip: Check that pthread_t can indeed be passed to Solaris atomic functions, instead of assuming that it can be passed if 0 can be assigned to it. It could be that: * 0 can be assigned, but pthread_t cannot be passed and * 0 cannot be assigned but pthread_t can be passed Better to check what we are interested in, not something else and make assumptions. ------------------------------------------------------------------------ r5858 | vasil | 2009-09-11 13:46:47 -0400 (Fri, 11 Sep 2009) | 4 lines branches/zip: Fix the indentation of the closing bracket. ------------------------------------------------------------------------ r5826 | marko | 2009-09-10 07:29:46 -0400 (Thu, 10 Sep 2009) | 12 lines branches/zip: Roll back recovered dictionary transactions before dropping incomplete indexes (Issue #337). trx_rollback_or_clean_recovered(ibool all): New function, split from trx_rollback_or_clean_all_recovered(). all==FALSE will only roll back dictionary transactions. recv_recovery_from_checkpoint_finish(): Call trx_rollback_or_clean_recovered(FALSE) before row_merge_drop_temp_indexes(). rb://158 approved by Sunny Bains ------------------------------------------------------------------------ r5825 | marko | 2009-09-10 06:47:09 -0400 (Thu, 10 Sep 2009) | 20 lines branches/zip: Reduce mutex contention that was introduced when addressing Bug #45015 (Issue #316), in r5703. buf_page_set_accessed_make_young(): New auxiliary function, called by buf_page_get_zip(), buf_page_get_gen(), buf_page_optimistic_get_func(). Call ut_time_ms() outside of buf_pool_mutex. Use cached access_time. buf_page_set_accessed(): Add the parameter time_ms, so that ut_time_ms() need not be called while holding buf_pool_mutex. buf_page_optimistic_get_func(), buf_page_get_known_nowait(): Read buf_page_t::access_time without holding buf_pool_mutex. This should be OK, because the field is only used for heuristic purposes. buf_page_peek_if_too_old(): If buf_pool->freed_page_clock == 0, return FALSE, so that we will not waste time moving blocks in the LRU list in the warm-up phase or when the workload fits in the buffer pool. rb://156 approved by Sunny Bains ------------------------------------------------------------------------ r5822 | marko | 2009-09-10 06:10:20 -0400 (Thu, 10 Sep 2009) | 1 line branches/zip: buf_page_release(): De-stutter the function comment. ------------------------------------------------------------------------ r5804 | marko | 2009-09-10 01:29:31 -0400 (Thu, 10 Sep 2009) | 1 line branches/zip: trx_cleanup_at_db_startup(): Fix a typo in comment. ------------------------------------------------------------------------ r5798 | calvin | 2009-09-09 11:28:10 -0400 (Wed, 09 Sep 2009) | 5 lines branches/zip: HA_ERR_TOO_MANY_CONCURRENT_TRXS is added in 5.1.38. But the plugin should still work with previous versions of MySQL. ------------------------------------------------------------------------ r5792 | vasil | 2009-09-09 09:35:58 -0400 (Wed, 09 Sep 2009) | 32 lines branches/zip: Fix a bug in manipulating the variable innodb_old_blocks_pct: for any value assigned it got that value -1, except for 75. When assigned 75, it got 75. mysql> set global innodb_old_blocks_pct=15; Query OK, 0 rows affected (0.00 sec) mysql> show variables like 'innodb_old_blocks_pct'; +-----------------------+-------+ | Variable_name | Value | +-----------------------+-------+ | innodb_old_blocks_pct | 14 | +-----------------------+-------+ 1 row in set (0.00 sec) mysql> set global innodb_old_blocks_pct=75; Query OK, 0 rows affected (0.00 sec) mysql> show variables like 'innodb_old_blocks_pct'; +-----------------------+-------+ | Variable_name | Value | +-----------------------+-------+ | innodb_old_blocks_pct | 75 | +-----------------------+-------+ After the fix it gets exactly what was assigned. Approved by: Marko (via IM) ------------------------------------------------------------------------ r5783 | marko | 2009-09-09 03:25:00 -0400 (Wed, 09 Sep 2009) | 1 line branches/zip: buf_page_is_accessed(): Correct the function comment. ------------------------------------------------------------------------ r5782 | marko | 2009-09-09 03:00:59 -0400 (Wed, 09 Sep 2009) | 2 lines branches/zip: buf_page_peek_if_too_old(): Silence a compiler warning that was introduced in r5779 on 32-bit systems. ------------------------------------------------------------------------ r5780 | marko | 2009-09-09 02:50:50 -0400 (Wed, 09 Sep 2009) | 1 line branches/zip: ut_time_ms(): Return ulint, not uint. ------------------------------------------------------------------------ r5779 | marko | 2009-09-09 02:17:19 -0400 (Wed, 09 Sep 2009) | 2 lines branches/zip: buf_page_peek_if_too_old(): Make the bitmasking work when buf_pool->freed_page_clock is wider than 32 bits. ------------------------------------------------------------------------ r5777 | marko | 2009-09-08 11:50:25 -0400 (Tue, 08 Sep 2009) | 2 lines branches/zip: Remove BUF_LRU_INITIAL_RATIO, which should have been removed together with buf_LRU_get_recent_limit(). ------------------------------------------------------------------------ r5775 | calvin | 2009-09-07 17:15:05 -0400 (Mon, 07 Sep 2009) | 13 lines branches/zip: Build InnoDB on Windows with UNIV_HOTBACKUP The changes are non-functional changes for normal InnoDB, but needed for building the Hot Backup on Windows (with UNIV_HOTBACKUP defined). - Define os_aio_use_native_aio for HB. - Do not acquire seek mutexes for backup since HB is single threaded. - Do not use srv_flush_log_at_trx_commit for HB build rb://155 Approved by: Marko ------------------------------------------------------------------------ r5752 | marko | 2009-09-03 10:55:51 -0400 (Thu, 03 Sep 2009) | 10 lines branches/zip: recv_recover_page_func(): Write the log sequence number to the compressed page, if there is one. Previously, the function only wrote the LSN to the uncompressed page. It is not clear why recv_recover_page_func() is updating FIL_PAGE_LSN in the buffer pool. The log sequence number will be stamped on the page when it is flushed to disk, in buf_flush_init_for_writing(). I noticed this inconsistency when analyzing Issue #313, but this patch does not fix it. That is no surprise, since FIL_PAGE_LSN should only matter on disk files, not in the buffer pool. ------------------------------------------------------------------------ r5751 | marko | 2009-09-03 10:36:15 -0400 (Thu, 03 Sep 2009) | 7 lines branches/zip: row_merge(): Remove a bogus debug assertion that was triggered when creating an index on an empty table. row_merge_sort(): Add debug assertions and comments that justify the loop termination condition. The bogus assertion ut_ad(ihalf > 0) was reported by Michael. ------------------------------------------------------------------------ r5748 | marko | 2009-09-03 07:05:44 -0400 (Thu, 03 Sep 2009) | 1 line branches/zip: MLOG_MULTI_REC_END: Correct the comment. ------------------------------------------------------------------------ r5747 | marko | 2009-09-03 06:46:38 -0400 (Thu, 03 Sep 2009) | 2 lines branches/zip: recv_scan_log_recs(): Replace while with do...while, because the termination condition will always hold on the first iteration. ------------------------------------------------------------------------ r5746 | marko | 2009-09-03 04:55:36 -0400 (Thu, 03 Sep 2009) | 2 lines branches/zip: log_reserve_and_write_fast(): Do not cache the log_sys pointer in a local variable. ------------------------------------------------------------------------ r5745 | marko | 2009-09-03 04:38:22 -0400 (Thu, 03 Sep 2009) | 2 lines branches/zip: log_check_log_recs(): Enclose in #ifdef UNIV_LOG_DEBUG. Add const qualifiers. ------------------------------------------------------------------------ r5744 | marko | 2009-09-03 04:28:35 -0400 (Thu, 03 Sep 2009) | 1 line branches/zip: ut_align(): Make ptr const, like in ut_align_down(). ------------------------------------------------------------------------ r5743 | marko | 2009-09-03 02:36:12 -0400 (Thu, 03 Sep 2009) | 3 lines branches/zip: log_reserve_and_write_fast(): Remove the redundant output parameter "success". Success is also indicated by a nonzero return value. ------------------------------------------------------------------------ r5736 | marko | 2009-09-02 03:53:19 -0400 (Wed, 02 Sep 2009) | 1 line branches/zip: Enclose some timestamp functions in #ifndef UNIV_HOTBACKUP. ------------------------------------------------------------------------ r5735 | marko | 2009-09-02 03:43:09 -0400 (Wed, 02 Sep 2009) | 2 lines branches/zip: univ.i: Do not undefine PACKAGE or VERSION. InnoDB source code does not refer to these macros. ------------------------------------------------------------------------ r5734 | sunny | 2009-09-02 03:08:45 -0400 (Wed, 02 Sep 2009) | 2 lines branches/zip: Update ChangeLog with r5733 changes. ------------------------------------------------------------------------ r5733 | sunny | 2009-09-02 03:05:15 -0400 (Wed, 02 Sep 2009) | 6 lines branches/zip: Fix a regression introduced by the fix for bug#26316. We check whether a transaction holds any AUTOINC locks before we acquire the kernel mutex and release those locks. Fix for rb://153. Approved by Marko. ------------------------------------------------------------------------ r5716 | vasil | 2009-08-31 03:47:49 -0400 (Mon, 31 Aug 2009) | 9 lines branches/zip: Fix Bug#46718 InnoDB plugin incompatible with gcc 4.1 (at least: on PPC): "Undefined symbol" by implementing our own check in plug.in instead of using the result from the check from MySQL because it is insufficient. Approved by: Marko (rb://154) ------------------------------------------------------------------------ r5714 | marko | 2009-08-31 02:10:10 -0400 (Mon, 31 Aug 2009) | 5 lines branches/zip: buf_chunk_not_freed(): Do not acquire block->mutex unless block->page.state == BUF_BLOCK_FILE_PAGE. Check that block->page.state makes sense. Approved by Sunny Bains over the IM. ------------------------------------------------------------------------ r5709 | inaam | 2009-08-28 02:22:46 -0400 (Fri, 28 Aug 2009) | 5 lines branches/zip rb://152 Disable display of deprecated parameter innodb_file_io_threads in 'show variables'. ------------------------------------------------------------------------ r5708 | inaam | 2009-08-27 18:43:32 -0400 (Thu, 27 Aug 2009) | 4 lines branches/zip Remove redundant TRUE : FALSE from the return statement ------------------------------------------------------------------------ r5707 | inaam | 2009-08-27 12:20:35 -0400 (Thu, 27 Aug 2009) | 6 lines branches/zip Remove unused macros as we erased the random readahead code in r5703. Also fixed some comments. ------------------------------------------------------------------------ r5706 | inaam | 2009-08-27 12:00:27 -0400 (Thu, 27 Aug 2009) | 20 lines branches/zip rb://147 Done away with following two status variables: innodb_buffer_pool_read_ahead_rnd innodb_buffer_pool_read_ahead_seq Introduced two new status variables: innodb_buffer_pool_read_ahead = number of pages read as part of readahead since server startup innodb_buffer_pool_read_ahead_evicted = number of pages that are read in as readahead but were evicted before ever being accessed since server startup i.e.: a measure of how badly our readahead is performing SHOW INNODB STATUS will show two extra numbers in buffer pool section: pages read ahead/sec and pages evicted without access/sec Approved by: Marko ------------------------------------------------------------------------ r5705 | marko | 2009-08-27 07:56:24 -0400 (Thu, 27 Aug 2009) | 11 lines branches/zip: dict_index_find_cols(): On column name lookup failure, return DB_CORRUPTION (HA_ERR_CRASHED) instead of abnormally terminating the server. Also, disable the previously added diagnostic output to the error log, because mysql-test-run does not like extra output in the error log. (Bug #44571) dict_index_add_to_cache(): Handle errors from dict_index_find_cols(). mysql-test/innodb_bug44571.test: A test case for triggering the bug. rb://135 approved by Sunny Bains. ------------------------------------------------------------------------ r5704 | marko | 2009-08-27 04:31:17 -0400 (Thu, 27 Aug 2009) | 32 lines branches/zip: Fix a critical bug in fast index creation that could corrupt the created indexes. row_merge(): Make "half" an in/out parameter. Determine the offset of half the output file. Copy the last blocks record-by-record instead of block-by-block, so that the records can be counted. Check that the input and output have matching n_rec. row_merge_sort(): Do not assume that two blocks of size N are merged into a block of size 2*N. The output block can be shorter than the input if the last page of each input block is almost empty. Use an accurate termination condition, based on the "half" computed by row_merge(). row_merge_read(), row_merge_write(), row_merge_blocks(): Add debug output. merge_file_t, row_merge_file_create(): Add n_rec, the number of records in the merge file. row_merge_read_clustered_index(): Update n_rec. row_merge_blocks(): Update and check n_rec. row_merge_blocks_copy(): New function, for copying the last blocks in row_merge(). Update and check n_rec. This bug was discovered with a user-supplied test case that creates an index where the initial temporary file is 249 one-megabyte blocks and the merged files become smaller. In the test, possible merge record sizes are 10, 18, and 26 bytes. rb://150 approved by Sunny Bains. This addresses Issue #320. ------------------------------------------------------------------------ r5703 | marko | 2009-08-27 03:25:00 -0400 (Thu, 27 Aug 2009) | 41 lines branches/zip: Replace the constant 3/8 ratio that controls the LRU_old size with the settable global variable innodb_old_blocks_pct. The minimum and maximum values are 5 and 95 per cent, respectively. The default is 100*3/8, in line with the old behavior. ut_time_ms(): New utility function, to return the current time in milliseconds. TODO: Is there a more efficient timestamp function, such as rdtsc divided by a power of two? buf_LRU_old_threshold_ms: New variable, corresponding to innodb_old_blocks_time. The value 0 is the default behaviour: no timeout before making blocks 'new'. bpage->accessed, bpage->LRU_position, buf_pool->ulint_clock: Remove. bpage->access_time: New field, replacing bpage->accessed. Protected by buf_pool_mutex instead of bpage->mutex. Updated when a page is created or accessed the first time in the buffer pool. buf_LRU_old_ratio, innobase_old_blocks_pct: New variables, corresponding to innodb_old_blocks_pct buf_LRU_old_ratio_update(), innobase_old_blocks_pct_update(): Update functions for buf_LRU_old_ratio, innobase_old_blocks_pct. buf_page_peek_if_too_old(): Compare ut_time_ms() to bpage->access_time if buf_LRU_old_threshold_ms && bpage->old. Else observe buf_LRU_old_ratio and bpage->freed_page_clock. buf_pool_t: Add n_pages_made_young, n_pages_not_made_young, n_pages_made_young_old, n_pages_not_made_young, for statistics. buf_print(): Display buf_pool->n_pages_made_young, buf_pool->n_pages_not_made_young. This function is only for crash diagnostics. buf_print_io(): Display buf_pool->LRU_old_len and quantities derived from buf_pool->n_pages_made_young, buf_pool->n_pages_not_made_young. This function is invoked by SHOW ENGINE INNODB STATUS. rb://129 approved by Heikki Tuuri. This addresses Bug #45015. ------------------------------------------------------------------------ r5702 | marko | 2009-08-27 03:03:15 -0400 (Thu, 27 Aug 2009) | 1 line branches/zip: Document also the files affected by r5698 in the ChangeLog. ------------------------------------------------------------------------ r5701 | marko | 2009-08-27 03:01:42 -0400 (Thu, 27 Aug 2009) | 1 line branches/zip: Document r5698 in the ChangeLog. ------------------------------------------------------------------------ r5698 | inaam | 2009-08-26 10:34:35 -0400 (Wed, 26 Aug 2009) | 13 lines branches/zip bug#42885 rb://148 The call to put IO threads to sleep was most probably meant for Windows only as the comment in buf0rea.c suggests. However it was enabled on all platforms. This patch restricts the sleep call to windows. This approach of not putting threads to sleep makes even more sense because now we have multiple threads working in the background and it probably is not a good idea to put all of them to sleep because a user thread wants to post a batch for readahead. Approved by: Marko ------------------------------------------------------------------------ r5697 | vasil | 2009-08-26 09:44:40 -0400 (Wed, 26 Aug 2009) | 4 lines branches/zip: Fix typo. ------------------------------------------------------------------------ r5696 | vasil | 2009-08-26 09:15:59 -0400 (Wed, 26 Aug 2009) | 14 lines branches/zip: Merge a change from MySQL: http://lists.mysql.com/commits/80832 2968 Jonathan Perkin 2009-08-14 Build fixes for Windows, AIX, HP/UX and Sun Studio11, from Timothy Smith. modified: CMakeLists.txt cmd-line-utils/readline/util.c storage/innodb_plugin/handler/i_s.cc storage/innodb_plugin/include/univ.i ------------------------------------------------------------------------ r5695 | marko | 2009-08-26 09:14:59 -0400 (Wed, 26 Aug 2009) | 1 line branches/zip: UNIV_DEBUG_LOCK_VALIDATE: Move the definition to univ.i. ------------------------------------------------------------------------ r5694 | marko | 2009-08-26 07:25:26 -0400 (Wed, 26 Aug 2009) | 2 lines branches/zip: buf_page_t: Clarify that bpage->list may contain garbage. This comment was provoked by Inaam. ------------------------------------------------------------------------ r5687 | vasil | 2009-08-20 05:20:22 -0400 (Thu, 20 Aug 2009) | 8 lines branches/zip: ChangeLog: Follow the convention from the rest of the ChangeLog: for bugfixes from bugs.mysql.com only the bug number and title goes in the ChangeLog. Detailed explanation on what is the problem and how it was fixed is present in the bugs database. ------------------------------------------------------------------------ r5686 | vasil | 2009-08-20 05:15:05 -0400 (Thu, 20 Aug 2009) | 4 lines branches/zip: White-space fixup. ------------------------------------------------------------------------ r5685 | sunny | 2009-08-20 04:18:29 -0400 (Thu, 20 Aug 2009) | 2 lines branches/zip: Update the ChangeLog with r5684 change. ------------------------------------------------------------------------ r5684 | sunny | 2009-08-20 04:05:30 -0400 (Thu, 20 Aug 2009) | 10 lines branches/zip: Fix bug# 46650: Innodb assertion autoinc_lock == lock in lock_table_remove_low on INSERT SELECT We only store the autoinc locks that are granted in the transaction's autoinc lock vector. A transacton, that has been rolled back due to a deadlock because of an AUTOINC lock attempt, will not have added that lock to the vector. We need to check for that when we remove that lock. rb://145 Approved by Marko. ------------------------------------------------------------------------ r5681 | sunny | 2009-08-14 02:16:24 -0400 (Fri, 14 Aug 2009) | 3 lines branches/zip: When building HotBackup srv_use_sys_malloc is #ifdef out. We move access to the this variable within a !UNIV_HOTBACKUP block. ------------------------------------------------------------------------ r5671 | marko | 2009-08-13 04:46:33 -0400 (Thu, 13 Aug 2009) | 5 lines branches/zip: ha_innobase::add_index(): Fix Bug #46557: after a successful operation, read innodb_table->flags from the newly created table object, not from the old one that was just freed. Approved by Sunny. ------------------------------------------------------------------------ r5670 | marko | 2009-08-12 09:16:37 -0400 (Wed, 12 Aug 2009) | 2 lines branches/zip: trx_undo_rec_copy(): Add const qualifier to undo_rec. This is a non-functional change. ------------------------------------------------------------------------ r5663 | marko | 2009-08-11 07:42:37 -0400 (Tue, 11 Aug 2009) | 2 lines branches/zip: trx_general_rollback_for_mysql(): Remove the redundant parameter partial. If savept==NULL, partial==FALSE. ------------------------------------------------------------------------ r5662 | marko | 2009-08-11 05:54:16 -0400 (Tue, 11 Aug 2009) | 1 line branches/zip: Bump the version number to 1.0.5 after releasing 1.0.4. ------------------------------------------------------------------------ r5642 | calvin | 2009-08-06 19:04:03 -0400 (Thu, 06 Aug 2009) | 2 lines branches/zip: remove duplicate "the" in comments. ------------------------------------------------------------------------ r5639 | marko | 2009-08-06 06:39:34 -0400 (Thu, 06 Aug 2009) | 3 lines branches/zip: mem_heap_block_free(): If innodb_use_sys_malloc is set, do not tell Valgrind that the memory is free, to avoid a bogus warning in Valgrind's built-in free() hook. ------------------------------------------------------------------------ r5636 | marko | 2009-08-05 08:27:30 -0400 (Wed, 05 Aug 2009) | 2 lines branches/zip: lock_rec_validate_page(): Add the parameter zip_size. This should help track down Mantis Issue #289. ------------------------------------------------------------------------ r5635 | marko | 2009-08-05 07:06:55 -0400 (Wed, 05 Aug 2009) | 2 lines branches/zip: Replace with NUMBER in some comments, to avoid problems with Doxygen XML output. ------------------------------------------------------------------------ r5629 | marko | 2009-08-04 07:42:44 -0400 (Tue, 04 Aug 2009) | 1 line branches/zip: mysql-test: Pass MTR's internal checks. ------------------------------------------------------------------------ r5626 | vasil | 2009-08-04 01:53:31 -0400 (Tue, 04 Aug 2009) | 4 lines branches/zip: Revert the dummy change from c5625. ------------------------------------------------------------------------ r5625 | vasil | 2009-08-04 01:52:48 -0400 (Tue, 04 Aug 2009) | 32 lines branches/zip: Merge 5518:5622 from branches/5.1, resolving conflict in r5622 (after resolving the conflict Makefile.am was not changed so I have made a dummy change so I can commit and thus record that branches/5.1 has been merged in branches/zip up to 5622): ------------------------------------------------------------------------ r5622 | vasil | 2009-08-03 15:27:00 +0300 (Mon, 03 Aug 2009) | 20 lines Changed paths: M /branches/5.1/Makefile.am branches/5.1: Merge a change from MySQL: ------------------------------------------------------------ revno: 2988 committer: Satya B branch nick: mysql-5.1-bugteam timestamp: Wed 2009-07-01 11:06:05 +0530 message: Fix build failure after applying Innodb snapshot 5.1-ss5282 After applying Innodb snapshot 5.1-ss5282, build was broken because of missing header file. Adding the header file to Makefile.am after informing the innodb developers. modified: storage/innobase/Makefile.am ------------------------------------------------------------------------ ------------------------------------------------------------------------ r5614 | vasil | 2009-07-31 11:09:07 -0400 (Fri, 31 Jul 2009) | 6 lines branches/zip: Add fsp0types.h to the list of noinst_HEADERS Suggested by: Sergey Vojtovich ------------------------------------------------------------------------ r5539 | vasil | 2009-07-21 06:28:27 -0400 (Tue, 21 Jul 2009) | 4 lines branches/zip: Add a test program to check whether the PAUSE instruction is available. ------------------------------------------------------------------------ r5537 | vasil | 2009-07-21 05:31:26 -0400 (Tue, 21 Jul 2009) | 5 lines branches/zip: Fixups in ChangeLog: sort filenames alphabetically and wrap to 78 chars per line. ------------------------------------------------------------------------ r5527 | sunny | 2009-07-20 17:56:30 -0400 (Mon, 20 Jul 2009) | 2 lines branches/zip: For HotBackup builds we don't want to hide the symbols. ------------------------------------------------------------------------ r5525 | calvin | 2009-07-20 13:14:30 -0400 (Mon, 20 Jul 2009) | 2 lines branches/zip: add ChangeLog entry for r5524. ------------------------------------------------------------------------ --- CMakeLists.txt | 82 +- ChangeLog | 131 ++- Makefile.am | 2 +- btr/btr0btr.c | 4 +- btr/btr0sea.c | 2 +- buf/buf0buf.c | 254 ++++-- buf/buf0lru.c | 237 ++--- buf/buf0rea.c | 209 +---- dict/dict0crea.c | 2 +- dict/dict0dict.c | 25 +- fil/fil0fil.c | 4 +- fsp/fsp0fsp.c | 18 +- handler/ha_innodb.cc | 248 +++++- handler/handler0alter.cc | 6 +- handler/handler0vars.h | 69 -- handler/i_s.cc | 19 +- handler/win_delay_loader.cc | 1024 ---------------------- include/buf0buf.h | 127 ++- include/buf0buf.ic | 75 +- include/buf0lru.h | 52 +- include/buf0rea.h | 10 +- include/buf0types.h | 2 + include/dict0crea.h | 2 +- include/dict0dict.h | 2 +- include/dict0mem.h | 2 +- include/fsp0fsp.h | 2 +- include/lock0lock.h | 8 + include/log0log.h | 7 +- include/log0log.ic | 71 +- include/mtr0mtr.h | 5 +- include/os0sync.h | 81 +- include/rem0cmp.h | 2 +- include/rem0rec.ic | 2 +- include/row0mysql.h | 4 +- include/srv0srv.h | 16 +- include/trx0rec.h | 4 +- include/trx0rec.ic | 4 +- include/trx0roll.h | 15 +- include/trx0sys.ic | 4 +- include/trx0trx.h | 4 +- include/univ.i | 68 +- include/ut0auxconf.h | 12 +- include/ut0byte.h | 4 +- include/ut0byte.ic | 4 +- include/ut0ut.h | 20 +- lock/lock0lock.c | 40 +- log/log0log.c | 10 +- log/log0recv.c | 73 +- mem/mem0mem.c | 20 +- mtr/mtr0mtr.c | 5 +- mysql-test/innodb-analyze.test | 2 + mysql-test/innodb-consistent-master.opt | 1 + mysql-test/innodb-consistent.result | 35 + mysql-test/innodb-consistent.test | 58 ++ mysql-test/innodb-zip.result | 2 +- mysql-test/innodb-zip.test | 2 +- mysql-test/innodb_bug34300.test | 2 + mysql-test/innodb_bug36169.test | 4 + mysql-test/innodb_bug36172.test | 6 + mysql-test/innodb_bug44369.result | 14 + mysql-test/innodb_bug44369.test | 21 + mysql-test/innodb_bug44571.result | 9 + mysql-test/innodb_bug44571.test | 17 + mysql-test/innodb_bug46000.result | 17 + mysql-test/innodb_bug46000.test | 34 + mysql-test/innodb_file_format.result | 1 + mysql-test/innodb_file_format.test | 1 + os/os0file.c | 71 +- page/page0page.c | 2 +- page/page0zip.c | 14 + plug.in | 153 +++- rem/rem0cmp.c | 6 +- row/row0merge.c | 226 ++++- row/row0mysql.c | 48 +- srv/srv0srv.c | 56 +- srv/srv0start.c | 36 +- sync/sync0rw.c | 1 + sync/sync0sync.c | 71 +- thr/thr0loc.c | 2 +- trx/trx0rec.c | 4 +- trx/trx0roll.c | 74 +- trx/trx0trx.c | 2 +- ut/ut0auxconf_atomic_pthread_t_solaris.c | 26 +- ut/ut0auxconf_have_gcc_atomics.c | 61 ++ ut/ut0auxconf_pause.c | 32 + ut/ut0ut.c | 19 + win-plugin/README | 22 - win-plugin/win-plugin.diff | 279 ------ 88 files changed, 2078 insertions(+), 2446 deletions(-) delete mode 100644 handler/handler0vars.h delete mode 100644 handler/win_delay_loader.cc create mode 100644 mysql-test/innodb-consistent-master.opt create mode 100644 mysql-test/innodb-consistent.result create mode 100644 mysql-test/innodb-consistent.test create mode 100644 mysql-test/innodb_bug44369.result create mode 100644 mysql-test/innodb_bug44369.test create mode 100644 mysql-test/innodb_bug44571.result create mode 100644 mysql-test/innodb_bug44571.test create mode 100644 mysql-test/innodb_bug46000.result create mode 100644 mysql-test/innodb_bug46000.test create mode 100644 ut/ut0auxconf_have_gcc_atomics.c create mode 100644 ut/ut0auxconf_pause.c delete mode 100644 win-plugin/README delete mode 100644 win-plugin/win-plugin.diff diff --git a/CMakeLists.txt b/CMakeLists.txt index ef1d3db6f73..9f4af9ca00e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,41 +15,20 @@ # This is the CMakeLists for InnoDB Plugin -# The dynamic plugin requires CMake 2.6.0 or later. Otherwise, the /DELAYLOAD -# property will not be set -CMAKE_MINIMUM_REQUIRED(VERSION 2.6 FATAL_ERROR) -# When PROJECT is defined, a separate .sln file will be generated. -# PROJECT (INNODB_PLUGIN) +SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") +SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") -MESSAGE(STATUS "Enter InnoDB ...") -MESSAGE(STATUS "INNODB_DYNAMIC_PLUGIN: " ${INNODB_DYNAMIC_PLUGIN}) - -# Print out CMake info -MESSAGE(STATUS "CMAKE_GENERATOR: " ${CMAKE_GENERATOR}) -MESSAGE(STATUS "CMAKE_SOURCE_DIR: " ${CMAKE_SOURCE_DIR}) - -# Print out system information -MESSAGE(STATUS "CMAKE_SYSTEM: " ${CMAKE_SYSTEM}) -MESSAGE(STATUS "CMAKE_SYSTEM_PROCESSOR: " ${CMAKE_SYSTEM_PROCESSOR}) -MESSAGE(STATUS "UNIX: " ${UNIX}) -MESSAGE(STATUS "WIN32: " ${WIN32}) +# Starting at 5.1.38, MySQL CMake files are simplified. But the plugin +# CMakeLists.txt still needs to work with previous versions of MySQL. +IF (MYSQL_VERSION_ID GREATER "50137") + INCLUDE("${PROJECT_SOURCE_DIR}/storage/mysql_storage_engine.cmake") +ENDIF (MYSQL_VERSION_ID GREATER "50137") IF (CMAKE_SIZEOF_VOID_P MATCHES 8) SET(WIN64 TRUE) ENDIF (CMAKE_SIZEOF_VOID_P MATCHES 8) -MESSAGE(STATUS "WIN64: " ${WIN64}) -MESSAGE(STATUS "MSVC: " ${MSVC}) - -# Check type sizes -include(CheckTypeSize) - -# Currently, the checked results are not used. -CHECK_TYPE_SIZE(int SIZEOF_INT) -CHECK_TYPE_SIZE(long SIZEOF_LONG) -CHECK_TYPE_SIZE(void* SIZEOF_VOID_P) - # Include directories under innobase INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include ${CMAKE_SOURCE_DIR}/storage/innobase/handler) @@ -63,12 +42,12 @@ INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include # Removing compiler optimizations for innodb/mem/* files on 64-bit Windows # due to 64-bit compiler error, See MySQL Bug #19424, #36366, #34297 -IF(MSVC AND $(WIN64)) +IF (MSVC AND $(WIN64)) SET_SOURCE_FILES_PROPERTIES(mem/mem0mem.c mem/mem0pool.c PROPERTIES COMPILE_FLAGS -Od) -ENDIF(MSVC AND $(WIN64)) +ENDIF (MSVC AND $(WIN64)) -SET(INNODB_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c +SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c data/data0data.c data/data0type.c dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c @@ -101,31 +80,20 @@ SET(INNODB_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0list.c ut/ut0wqueue.c) +ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) -IF(NOT SOURCE_SUBLIBS) - # INNODB_RW_LOCKS_USE_ATOMICS may be defined only if HAVE_WINDOWS_ATOMICS is defined. - # Windows Interlocked functions require Windows 2000 or newer operating system - ADD_DEFINITIONS(-D_WIN32 -DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) - ADD_LIBRARY(innobase STATIC ${INNODB_SOURCES}) - # Require mysqld_error.h, which is built as part of the GenError - ADD_DEPENDENCIES(innobase GenError) - # only set MYSQL_SERVER for the builtin engine, not the plugin - SET_TARGET_PROPERTIES(innobase PROPERTIES COMPILE_FLAGS "-DMYSQL_SERVER") - - # Dynamic plugin ha_innodb.dll - IF(INNODB_DYNAMIC_PLUGIN) - ADD_LIBRARY(ha_innodb SHARED ${INNODB_SOURCES} ha_innodb.def handler/win_delay_loader.cc) +IF (MYSQL_VERSION_ID GREATER "50137") + IF (WITH_INNOBASE_STORAGE_ENGINE) + MYSQL_STORAGE_ENGINE(INNOBASE) + ELSE (WITH_INNOBASE_STORAGE_ENGINE) + SET (INNODB_SOURCES ${INNOBASE_SOURCES}) + MYSQL_STORAGE_ENGINE(INNODB) + ENDIF (WITH_INNOBASE_STORAGE_ENGINE) +ELSE (MYSQL_VERSION_ID GREATER "50137") + IF (NOT SOURCE_SUBLIBS) + ADD_DEFINITIONS(-D_WIN32 -DMYSQL_SERVER) + ADD_LIBRARY(innobase STATIC ${INNOBASE_SOURCES}) # Require mysqld_error.h, which is built as part of the GenError - # Also require mysqld.lib, which is built as part of the mysqld - ADD_DEPENDENCIES(ha_innodb GenError mysqld) - - TARGET_LINK_LIBRARIES(ha_innodb ${CMAKE_SOURCE_DIR}/sql/\$\(OutDir\)/mysqld.lib) - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES OUTPUT_NAME ha_innodb) - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/MAP /MAPINFO:EXPORTS") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/ENTRY:\"_DllMainCRTStartup@12\"") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES COMPILE_FLAGS "-DMYSQL_DYNAMIC_PLUGIN") - SET_TARGET_PROPERTIES(ha_innodb PROPERTIES LINK_FLAGS "/DELAYLOAD:mysqld.exe") - ENDIF(INNODB_DYNAMIC_PLUGIN) -ENDIF(NOT SOURCE_SUBLIBS) - -MESSAGE(STATUS "Exit InnoDB ...") + ADD_DEPENDENCIES(innobase GenError) + ENDIF (NOT SOURCE_SUBLIBS) +ENDIF (MYSQL_VERSION_ID GREATER "50137") diff --git a/ChangeLog b/ChangeLog index e43d77e16f2..f4b1485b79a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,115 @@ +2009-09-19 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-consistent-master.opt, + mysql-test/innodb-consistent.result, + mysql-test/innodb-consistent.test: + Fix Bug#37232 Innodb might get too many read locks for DML with + repeatable-read + +2009-09-19 The InnoDB Team + + * fsp/fsp0fsp.c: + Fix Bug#31183 Tablespace full problems not reported in error log, + error message unclear + +2009-09-17 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: + Make the test pass with zlib 1.2.3.3. Apparently, the definition + of compressBound() has changed between zlib versions, and the + maximum record size of a table with 1K compressed page size has + been reduced by one byte. This is an arbitrary test. In practical + applications, for good write performance, the compressed page size + should be chosen to be bigger than the absolute minimum. + +2009-09-16 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#46256 drop table with unknown collation crashes innodb + +2009-09-16 The InnoDB Team + + * dict/dict0dict.c, handler/ha_innodb.cc, + mysql-test/innodb_bug44369.result, mysql-test/innodb_bug44369.test, + row/row0mysql.c: + Fix Bug#44369 InnoDB: Does not uniformly disallow disallowed column + names + +2009-09-16 The InnoDB Team + + * handler/ha_innodb.cc, include/db0err.h, + mysql-test/innodb_bug46000.result, mysql-test/innodb_bug46000.test: + Fix Bug#46000 using index called GEN_CLUST_INDEX crashes server + +2009-09-02 The InnoDB Team + + * include/lock0lock.h, include/row0mysql.h, lock/lock0lock.c, + row/row0mysql.c: + Fix a regression introduced by the fix for MySQL bug#26316. We check + whether a transaction holds any AUTOINC locks before we acquire + the kernel mutex and release those locks. + +2009-08-27 The InnoDB Team + + * dict/dict0dict.c, include/dict0dict.h, + mysql-test/innodb_bug44571.result, mysql-test/innodb_bug44571.test: + Fix Bug#44571 InnoDB Plugin crashes on ADD INDEX + +2009-08-27 The InnoDB Team + + * row/row0merge.c: + Fix a bug in the merge sort that can corrupt indexes in fast index + creation. Add some consistency checks. Check that the number of + records remains constant in every merge sort pass. + +2009-08-27 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, + include/buf0buf.h, include/buf0buf.ic, include/buf0lru.h, + include/ut0ut.h, ut/ut0ut.c: + Make it possible to tune the buffer pool LRU eviction policy to be + more resistant against index scans. Introduce the settable global + variables innodb_old_blocks_pct and innodb_old_blocks_time for + controlling the buffer pool eviction policy. The parameter + innodb_old_blocks_pct (5..95) controls the desired amount of "old" + blocks in the LRU list. The default is 37, corresponding to the + old fixed ratio of 3/8. Each time a block is accessed, it will be + moved to the "new" blocks if its first access was at least + innodb_old_blocks_time milliseconds ago (default 0, meaning every + block). The idea is that in index scans, blocks will be accessed + a few times within innodb_old_blocks_time, and they will remain in + the "old" section of the LRU list. Thus, when innodb_old_blocks_time + is nonzero, blocks retrieved for one-time index scans will be more + likely candidates for eviction than blocks that are accessed in + random patterns. + +2009-08-26 The InnoDB Team + + * handler/ha_innodb.cc, os/os0file.c: + Fix Bug#42885 buf_read_ahead_random, buf_read_ahead_linear counters, + thread wakeups + +2009-08-20 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#46650 Innodb assertion autoinc_lock == lock in + lock_table_remove_low on INSERT SELECT + +2009-08-13 The InnoDB Team + + * handler/handler0alter.cc: + Fix Bug#46657 InnoDB plugin: invalid read in index_merge_innodb test + (Valgrind) + +2009-07-20 The InnoDB Team + + * buf/buf0rea.c, handler/ha_innodb.cc, include/srv0srv.h, + srv/srv0srv.c: + Change the read ahead parameter name to innodb_read_ahead_threshold. + Change the meaning of this parameter to signify the number of pages + that must be sequentially accessed for InnoDB to trigger a readahead + request. + 2009-07-20 The InnoDB Team * handler/ha_innodb.cc: @@ -7,8 +119,8 @@ * include/univ.i: Support inlining of functions and prefetch with Sun Studio. - These changes are based on contribution from - Sun Microsystems Inc. under a BSD license. + These changes are based on contribution from Sun Microsystems Inc. + under a BSD license. 2009-07-14 The InnoDB Team @@ -31,9 +143,9 @@ 2009-07-08 The InnoDB Team - * srv/srv0srv.c, buf/buf0flu.c, handler/ha_innodb.cc, - include/srv0srv.h, include/log0log.ic, include/buf0flu.h, - include/log0log.h: + * buf/buf0flu.c, handler/ha_innodb.cc, include/buf0flu.h, + include/log0log.h, include/log0log.ic, include/srv0srv.h, + srv/srv0srv.c: Implement the adaptive flushing of dirty pages, which uses a heuristics based flushing rate of dirty pages to avoid IO bursts at checkpoint. Expose new configure knob @@ -42,8 +154,8 @@ 2009-07-07 The InnoDB Team - * srv/srv0srv.c, handler/ha_innodb.cc, log/log0log.c, - include/srv0srv.h: + * handler/ha_innodb.cc, include/srv0srv.h, log/log0log.c, + srv/srv0srv.c: Implement IO capacity tuning. Expose new configure knob innodb_io_capacity to control the master threads IO rate. The ibuf merge is also changed from synchronous to asynchronous. @@ -80,13 +192,12 @@ * handler/handler0alter.cc: Start the user transaction prebuilt->trx if it was not started - before adding or dropping an index. Without this fix, the + before adding or dropping an index. Without this fix, the table could be locked outside an active transaction. 2009-06-25 The InnoDB Team - * handler/ha_innodb.cc, - mysql-test/innodb_bug42101.test, + * handler/ha_innodb.cc, mysql-test/innodb_bug42101.test, mysql-test/innodb_bug42101.result, mysql-test/innodb_bug42101-nonzero.test, mysql-test/innodb_bug42101-nonzero.result: diff --git a/Makefile.am b/Makefile.am index b047bffc925..accc836dff8 100644 --- a/Makefile.am +++ b/Makefile.am @@ -30,7 +30,6 @@ DEFS= @DEFS@ noinst_HEADERS= \ handler/ha_innodb.h \ - handler/handler0vars.h \ handler/i_s.h \ include/btr0btr.h \ include/btr0btr.ic \ @@ -77,6 +76,7 @@ noinst_HEADERS= \ include/fil0fil.h \ include/fsp0fsp.h \ include/fsp0fsp.ic \ + include/fsp0types.h \ include/fut0fut.h \ include/fut0fut.ic \ include/fut0lst.h \ diff --git a/btr/btr0btr.c b/btr/btr0btr.c index ffe59da6cc8..633c66fc648 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -800,7 +800,7 @@ btr_create( buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); } - /* Create a new index page on the the allocated segment page */ + /* Create a new index page on the allocated segment page */ page_zip = buf_block_get_page_zip(block); if (UNIV_LIKELY_NULL(page_zip)) { @@ -1905,7 +1905,7 @@ func_start: n_uniq, &heap); /* If the new record is less than the existing record - the the split in the middle will copy the existing + the split in the middle will copy the existing record to the new node. */ if (cmp_dtuple_rec(tuple, first_rec, offsets) < 0) { split_rec = page_get_middle_rec(page); diff --git a/btr/btr0sea.c b/btr/btr0sea.c index faa1c13897e..0a80c61a58d 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -957,7 +957,7 @@ btr_search_guess_on_hash( /* Increment the page get statistics though we did not really fix the page: for user info only */ - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; return(TRUE); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index a9c3e7b8082..dfc5e531ad0 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -837,16 +837,35 @@ buf_chunk_not_freed( block = chunk->blocks; for (i = chunk->size; i--; block++) { - mutex_enter(&block->mutex); - - if (buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE - && !buf_flush_ready_for_replace(&block->page)) { + ibool ready; + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* The uncompressed buffer pool should never + contain compressed block descriptors. */ + ut_error; + break; + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + /* Skip blocks that are not being used for + file pages. */ + break; + case BUF_BLOCK_FILE_PAGE: + mutex_enter(&block->mutex); + ready = buf_flush_ready_for_replace(&block->page); mutex_exit(&block->mutex); - return(block); - } - mutex_exit(&block->mutex); + if (!ready) { + + return(block); + } + + break; + } } return(NULL); @@ -966,8 +985,6 @@ buf_pool_init(void) buf_pool->no_flush[i] = os_event_create(NULL); } - buf_pool->ulint_clock = 1; - /* 3. Initialize LRU fields --------------------------- */ /* All fields are initialized by mem_zalloc(). */ @@ -1530,34 +1547,9 @@ buf_pool_watch_occurred( return(ret); } -/********************************************************************//** -Moves the block to the start of the LRU list if there is a danger -that the block would drift out of the buffer pool. */ -UNIV_INLINE -void -buf_block_make_young( -/*=================*/ - buf_page_t* bpage) /*!< in: block to make younger */ -{ - ut_ad(!buf_pool_mutex_own()); - - /* Note that we read freed_page_clock's without holding any mutex: - this is allowed since the result is used only in heuristics */ - - if (buf_page_peek_if_too_old(bpage)) { - - buf_pool_mutex_enter(); - /* There has been freeing activity in the LRU list: - best to move to the head of the LRU list */ - - buf_LRU_make_block_young(bpage); - buf_pool_mutex_exit(); - } -} - /********************************************************************//** Moves a page to the start of the buffer pool LRU list. This high-level -function can be used to prevent an important page from from slipping out of +function can be used to prevent an important page from slipping out of the buffer pool. */ UNIV_INTERN void @@ -1574,6 +1566,36 @@ buf_page_make_young( buf_pool_mutex_exit(); } +/********************************************************************//** +Sets the time of the first access of a page and moves a page to the +start of the buffer pool LRU list if it is too old. This high-level +function can be used to prevent an important page from slipping +out of the buffer pool. */ +static +void +buf_page_set_accessed_make_young( +/*=============================*/ + buf_page_t* bpage, /*!< in/out: buffer block of a + file page */ + unsigned access_time) /*!< in: bpage->access_time + read under mutex protection, + or 0 if unknown */ +{ + ut_ad(!buf_pool_mutex_own()); + ut_a(buf_page_in_file(bpage)); + + if (buf_page_peek_if_too_old(bpage)) { + buf_pool_mutex_enter(); + buf_LRU_make_block_young(bpage); + buf_pool_mutex_exit(); + } else if (!access_time) { + ulint time_ms = ut_time_ms(); + buf_pool_mutex_enter(); + buf_page_set_accessed(bpage, time_ms); + buf_pool_mutex_exit(); + } +} + /********************************************************************//** Resets the check_index_page_at_flush field of a page if found in the buffer pool. */ @@ -1705,11 +1727,12 @@ buf_page_get_zip( buf_page_t* bpage; mutex_t* block_mutex; ibool must_read; + unsigned access_time; #ifndef UNIV_LOG_DEBUG ut_ad(!ibuf_inside()); #endif - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; for (;;) { buf_pool_mutex_enter(); @@ -1772,14 +1795,13 @@ err_exit: got_block: must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ; + access_time = buf_page_is_accessed(bpage); buf_pool_mutex_exit(); - buf_page_set_accessed(bpage, TRUE); - mutex_exit(block_mutex); - buf_block_make_young(bpage); + buf_page_set_accessed_make_young(bpage, access_time); #ifdef UNIV_DEBUG_FILE_ACCESSES ut_a(!bpage->file_page_was_freed); @@ -2061,7 +2083,7 @@ buf_page_get_gen( mtr_t* mtr) /*!< in: mini-transaction */ { buf_block_t* block; - ibool accessed; + unsigned access_time; ulint fix_type; ibool must_read; @@ -2079,7 +2101,7 @@ buf_page_get_gen( #ifndef UNIV_LOG_DEBUG ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); #endif - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; loop: block = guess; buf_pool_mutex_enter(); @@ -2311,17 +2333,16 @@ wait_until_unfixed: UNIV_MEM_ASSERT_RW(&block->page, sizeof block->page); buf_block_buf_fix_inc(block, file, line); - buf_pool_mutex_exit(); - - /* Check if this is the first access to the page */ - - accessed = buf_page_is_accessed(&block->page); - - buf_page_set_accessed(&block->page, TRUE); mutex_exit(&block->mutex); - buf_block_make_young(&block->page); + /* Check if this is the first access to the page */ + + access_time = buf_page_is_accessed(&block->page); + + buf_pool_mutex_exit(); + + buf_page_set_accessed_make_young(&block->page, access_time); #ifdef UNIV_DEBUG_FILE_ACCESSES ut_a(!block->page.file_page_was_freed); @@ -2374,7 +2395,7 @@ wait_until_unfixed: mtr_memo_push(mtr, block, fix_type); - if (!accessed) { + if (!access_time) { /* In the case of a first access, try to apply linear read-ahead */ @@ -2404,7 +2425,7 @@ buf_page_optimistic_get_func( ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mini-transaction */ { - ibool accessed; + unsigned access_time; ibool success; ulint fix_type; @@ -2421,14 +2442,16 @@ buf_page_optimistic_get_func( } buf_block_buf_fix_inc(block, file, line); - accessed = buf_page_is_accessed(&block->page); - buf_page_set_accessed(&block->page, TRUE); mutex_exit(&block->mutex); - buf_block_make_young(&block->page); + /* Check if this is the first access to the page. + We do a dirty read on purpose, to avoid mutex contention. + This field is only used for heuristic purposes; it does not + affect correctness. */ - /* Check if this is the first access to the page */ + access_time = buf_page_is_accessed(&block->page); + buf_page_set_accessed_make_young(&block->page, access_time); ut_ad(!ibuf_inside() || ibuf_page(buf_block_get_space(block), @@ -2480,7 +2503,7 @@ buf_page_optimistic_get_func( #ifdef UNIV_DEBUG_FILE_ACCESSES ut_a(block->page.file_page_was_freed == FALSE); #endif - if (UNIV_UNLIKELY(!accessed)) { + if (UNIV_UNLIKELY(!access_time)) { /* In the case of a first access, try to apply linear read-ahead */ @@ -2493,7 +2516,7 @@ buf_page_optimistic_get_func( ut_a(ibuf_count_get(buf_block_get_space(block), buf_block_get_page_no(block)) == 0); #endif - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; return(TRUE); } @@ -2541,8 +2564,20 @@ buf_page_get_known_nowait( mutex_exit(&block->mutex); - if (mode == BUF_MAKE_YOUNG) { - buf_block_make_young(&block->page); + if (mode == BUF_MAKE_YOUNG && buf_page_peek_if_too_old(&block->page)) { + buf_pool_mutex_enter(); + buf_LRU_make_block_young(&block->page); + buf_pool_mutex_exit(); + } else if (!buf_page_is_accessed(&block->page)) { + /* Above, we do a dirty read on purpose, to avoid + mutex contention. The field buf_page_t::access_time + is only used for heuristic purposes. Writes to the + field must be protected by mutex, however. */ + ulint time_ms = ut_time_ms(); + + buf_pool_mutex_enter(); + buf_page_set_accessed(&block->page, time_ms); + buf_pool_mutex_exit(); } ut_ad(!ibuf_inside() || (mode == BUF_KEEP_OLD)); @@ -2581,7 +2616,7 @@ buf_page_get_known_nowait( || (ibuf_count_get(buf_block_get_space(block), buf_block_get_page_no(block)) == 0)); #endif - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; return(TRUE); } @@ -2657,7 +2692,7 @@ buf_page_try_get_func( #endif /* UNIV_DEBUG_FILE_ACCESSES */ buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - buf_pool->n_page_gets++; + buf_pool->stat.n_page_gets++; #ifdef UNIV_IBUF_COUNT_DEBUG ut_a(ibuf_count_get(buf_block_get_space(block), @@ -2676,10 +2711,10 @@ buf_page_init_low( buf_page_t* bpage) /*!< in: block to init */ { bpage->flush_type = BUF_FLUSH_LRU; - bpage->accessed = FALSE; bpage->io_fix = BUF_IO_NONE; bpage->buf_fix_count = 0; bpage->freed_page_clock = 0; + bpage->access_time = 0; bpage->newest_modification = 0; bpage->oldest_modification = 0; HASH_INVALIDATE(bpage, hash); @@ -3000,6 +3035,7 @@ buf_page_create( buf_frame_t* frame; buf_block_t* block; buf_block_t* free_block = NULL; + ulint time_ms = ut_time_ms(); ut_ad(mtr); ut_ad(space || !zip_size); @@ -3046,7 +3082,7 @@ buf_page_create( buf_LRU_add_block(&block->page, FALSE); buf_block_buf_fix_inc(block, __FILE__, __LINE__); - buf_pool->n_pages_created++; + buf_pool->stat.n_pages_created++; if (zip_size) { void* data; @@ -3083,12 +3119,12 @@ buf_page_create( rw_lock_x_unlock(&block->lock); } + buf_page_set_accessed(&block->page, time_ms); + buf_pool_mutex_exit(); mtr_memo_push(mtr, block, MTR_MEMO_BUF_FIX); - buf_page_set_accessed(&block->page, TRUE); - mutex_exit(&block->mutex); /* Delete possible entries for the page from the insert buffer: @@ -3294,7 +3330,7 @@ corrupt: ut_ad(buf_pool->n_pend_reads > 0); buf_pool->n_pend_reads--; - buf_pool->n_pages_read++; + buf_pool->stat.n_pages_read++; if (uncompressed) { rw_lock_x_unlock_gen(&((buf_block_t*) bpage)->lock, @@ -3314,7 +3350,7 @@ corrupt: BUF_IO_WRITE); } - buf_pool->n_pages_written++; + buf_pool->stat.n_pages_written++; break; @@ -3621,6 +3657,7 @@ buf_print(void) "n pending decompressions %lu\n" "n pending reads %lu\n" "n pending flush LRU %lu list %lu single page %lu\n" + "pages made young %lu, not young %lu\n" "pages read %lu, created %lu, written %lu\n", (ulong) size, (ulong) UT_LIST_GET_LEN(buf_pool->LRU), @@ -3631,8 +3668,11 @@ buf_print(void) (ulong) buf_pool->n_flush[BUF_FLUSH_LRU], (ulong) buf_pool->n_flush[BUF_FLUSH_LIST], (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE], - (ulong) buf_pool->n_pages_read, buf_pool->n_pages_created, - (ulong) buf_pool->n_pages_written); + (ulong) buf_pool->stat.n_pages_made_young, + (ulong) buf_pool->stat.n_pages_not_made_young, + (ulong) buf_pool->stat.n_pages_read, + (ulong) buf_pool->stat.n_pages_created, + (ulong) buf_pool->stat.n_pages_written); /* Count the number of blocks belonging to each index in the buffer */ @@ -3837,10 +3877,9 @@ buf_print_io( { time_t current_time; double time_elapsed; - ulint size; + ulint n_gets_diff; ut_ad(buf_pool); - size = buf_pool->curr_size; buf_pool_mutex_enter(); @@ -3848,12 +3887,14 @@ buf_print_io( "Buffer pool size %lu\n" "Free buffers %lu\n" "Database pages %lu\n" + "Old database pages %lu\n" "Modified db pages %lu\n" "Pending reads %lu\n" "Pending writes: LRU %lu, flush list %lu, single page %lu\n", - (ulong) size, + (ulong) buf_pool->curr_size, (ulong) UT_LIST_GET_LEN(buf_pool->free), (ulong) UT_LIST_GET_LEN(buf_pool->LRU), + (ulong) buf_pool->LRU_old_len, (ulong) UT_LIST_GET_LEN(buf_pool->flush_list), (ulong) buf_pool->n_pend_reads, (ulong) buf_pool->n_flush[BUF_FLUSH_LRU] @@ -3865,37 +3906,66 @@ buf_print_io( current_time = time(NULL); time_elapsed = 0.001 + difftime(current_time, buf_pool->last_printout_time); - buf_pool->last_printout_time = current_time; fprintf(file, + "Pages made young %lu, not young %lu\n" + "%.2f youngs/s, %.2f non-youngs/s\n" "Pages read %lu, created %lu, written %lu\n" "%.2f reads/s, %.2f creates/s, %.2f writes/s\n", - (ulong) buf_pool->n_pages_read, - (ulong) buf_pool->n_pages_created, - (ulong) buf_pool->n_pages_written, - (buf_pool->n_pages_read - buf_pool->n_pages_read_old) + (ulong) buf_pool->stat.n_pages_made_young, + (ulong) buf_pool->stat.n_pages_not_made_young, + (buf_pool->stat.n_pages_made_young + - buf_pool->old_stat.n_pages_made_young) / time_elapsed, - (buf_pool->n_pages_created - buf_pool->n_pages_created_old) + (buf_pool->stat.n_pages_not_made_young + - buf_pool->old_stat.n_pages_not_made_young) / time_elapsed, - (buf_pool->n_pages_written - buf_pool->n_pages_written_old) + (ulong) buf_pool->stat.n_pages_read, + (ulong) buf_pool->stat.n_pages_created, + (ulong) buf_pool->stat.n_pages_written, + (buf_pool->stat.n_pages_read + - buf_pool->old_stat.n_pages_read) + / time_elapsed, + (buf_pool->stat.n_pages_created + - buf_pool->old_stat.n_pages_created) + / time_elapsed, + (buf_pool->stat.n_pages_written + - buf_pool->old_stat.n_pages_written) / time_elapsed); - if (buf_pool->n_page_gets > buf_pool->n_page_gets_old) { - fprintf(file, "Buffer pool hit rate %lu / 1000\n", + n_gets_diff = buf_pool->stat.n_page_gets - buf_pool->old_stat.n_page_gets; + + if (n_gets_diff) { + fprintf(file, + "Buffer pool hit rate %lu / 1000," + " young-making rate %lu / 1000 not %lu / 1000\n", (ulong) - (1000 - ((1000 * (buf_pool->n_pages_read - - buf_pool->n_pages_read_old)) - / (buf_pool->n_page_gets - - buf_pool->n_page_gets_old)))); + (1000 - ((1000 * (buf_pool->stat.n_pages_read + - buf_pool->old_stat.n_pages_read)) + / (buf_pool->stat.n_page_gets + - buf_pool->old_stat.n_page_gets))), + (ulong) + (1000 * (buf_pool->stat.n_pages_made_young + - buf_pool->old_stat.n_pages_made_young) + / n_gets_diff), + (ulong) + (1000 * (buf_pool->stat.n_pages_not_made_young + - buf_pool->old_stat.n_pages_not_made_young) + / n_gets_diff)); } else { fputs("No buffer pool page gets since the last printout\n", file); } - buf_pool->n_page_gets_old = buf_pool->n_page_gets; - buf_pool->n_pages_read_old = buf_pool->n_pages_read; - buf_pool->n_pages_created_old = buf_pool->n_pages_created; - buf_pool->n_pages_written_old = buf_pool->n_pages_written; + /* Statistics about read ahead algorithm */ + fprintf(file, "Pages read ahead %.2f/s," + " evicted without access %.2f/s\n", + (buf_pool->stat.n_ra_pages_read + - buf_pool->old_stat.n_ra_pages_read) + / time_elapsed, + (buf_pool->stat.n_ra_pages_evicted + - buf_pool->old_stat.n_ra_pages_evicted) + / time_elapsed); /* Print some values to help us with visualizing what is happening with LRU eviction. */ @@ -3907,6 +3977,7 @@ buf_print_io( buf_LRU_stat_sum.io, buf_LRU_stat_cur.io, buf_LRU_stat_sum.unzip, buf_LRU_stat_cur.unzip); + buf_refresh_io_stats(); buf_pool_mutex_exit(); } @@ -3918,10 +3989,7 @@ buf_refresh_io_stats(void) /*======================*/ { buf_pool->last_printout_time = time(NULL); - buf_pool->n_page_gets_old = buf_pool->n_page_gets; - buf_pool->n_pages_read_old = buf_pool->n_pages_read; - buf_pool->n_pages_created_old = buf_pool->n_pages_created; - buf_pool->n_pages_written_old = buf_pool->n_pages_written; + buf_pool->old_stat = buf_pool->stat; } /*********************************************************************//** diff --git a/buf/buf0lru.c b/buf/buf0lru.c index f4105825cdc..28a3c28ab42 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -49,18 +49,22 @@ Created 11/5/1995 Heikki Tuuri #include "log0recv.h" #include "srv0srv.h" -/** The number of blocks from the LRU_old pointer onward, including the block -pointed to, must be 3/8 of the whole LRU list length, except that the -tolerance defined below is allowed. Note that the tolerance must be small -enough such that for even the BUF_LRU_OLD_MIN_LEN long LRU list, the -LRU_old pointer is not allowed to point to either end of the LRU list. */ +/** The number of blocks from the LRU_old pointer onward, including +the block pointed to, must be buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV +of the whole LRU list length, except that the tolerance defined below +is allowed. Note that the tolerance must be small enough such that for +even the BUF_LRU_OLD_MIN_LEN long LRU list, the LRU_old pointer is not +allowed to point to either end of the LRU list. */ #define BUF_LRU_OLD_TOLERANCE 20 -/** The whole LRU list length is divided by this number to determine an -initial segment in buf_LRU_get_recent_limit */ - -#define BUF_LRU_INITIAL_RATIO 8 +/** The minimum amount of non-old blocks when the LRU_old list exists +(that is, when there are more than BUF_LRU_OLD_MIN_LEN blocks). +@see buf_LRU_old_adjust_len */ +#define BUF_LRU_NON_OLD_MIN_LEN 5 +#if BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN +# error "BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN" +#endif /** When dropping the search hash index entries before deleting an ibd file, we build a local array of pages belonging to that tablespace @@ -107,6 +111,15 @@ UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; /* @} */ +/** @name Heuristics for detecting index scan @{ */ +/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for +"old" blocks. Protected by buf_pool_mutex. */ +UNIV_INTERN uint buf_LRU_old_ratio; +/** Move blocks to "new" LRU list only if the first access was at +least this many milliseconds ago. Not protected by any mutex or latch. */ +UNIV_INTERN uint buf_LRU_old_threshold_ms; +/* @} */ + /******************************************************************//** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), @@ -428,42 +441,6 @@ next_page: } } -/******************************************************************//** -Gets the minimum LRU_position field for the blocks in an initial segment -(determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not -guaranteed to be precise, because the ulint_clock may wrap around. -@return the limit; zero if could not determine it */ -UNIV_INTERN -ulint -buf_LRU_get_recent_limit(void) -/*==========================*/ -{ - const buf_page_t* bpage; - ulint len; - ulint limit; - - buf_pool_mutex_enter(); - - len = UT_LIST_GET_LEN(buf_pool->LRU); - - if (len < BUF_LRU_OLD_MIN_LEN) { - /* The LRU list is too short to do read-ahead */ - - buf_pool_mutex_exit(); - - return(0); - } - - bpage = UT_LIST_GET_FIRST(buf_pool->LRU); - - limit = buf_page_get_LRU_position(bpage); - len /= BUF_LRU_INITIAL_RATIO; - - buf_pool_mutex_exit(); - - return(limit > len ? (limit - len) : 0); -} - /********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN @@ -594,6 +571,7 @@ buf_LRU_free_from_common_LRU_list( bpage = UT_LIST_GET_PREV(LRU, bpage), distance--) { enum buf_lru_free_block_status freed; + unsigned accessed; mutex_t* block_mutex = buf_page_get_mutex(bpage); @@ -601,11 +579,18 @@ buf_LRU_free_from_common_LRU_list( ut_ad(bpage->in_LRU_list); mutex_enter(block_mutex); + accessed = buf_page_is_accessed(bpage); freed = buf_LRU_free_block(bpage, TRUE, NULL); mutex_exit(block_mutex); switch (freed) { case BUF_LRU_FREED: + /* Keep track of pages that are evicted without + ever being accessed. This gives us a measure of + the effectiveness of readahead */ + if (!accessed) { + ++buf_pool->stat.n_ra_pages_evicted; + } return(TRUE); case BUF_LRU_NOT_FREED: @@ -953,8 +938,10 @@ buf_LRU_old_adjust_len(void) ut_a(buf_pool->LRU_old); ut_ad(buf_pool_mutex_own()); -#if 3 * (BUF_LRU_OLD_MIN_LEN / 8) <= BUF_LRU_OLD_TOLERANCE + 5 -# error "3 * (BUF_LRU_OLD_MIN_LEN / 8) <= BUF_LRU_OLD_TOLERANCE + 5" + ut_ad(buf_LRU_old_ratio >= BUF_LRU_OLD_RATIO_MIN); + ut_ad(buf_LRU_old_ratio <= BUF_LRU_OLD_RATIO_MAX); +#if BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5) +# error "BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5)" #endif #ifdef UNIV_LRU_DEBUG /* buf_pool->LRU_old must be the first item in the LRU list @@ -966,34 +953,39 @@ buf_LRU_old_adjust_len(void) || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); #endif /* UNIV_LRU_DEBUG */ - for (;;) { - old_len = buf_pool->LRU_old_len; - new_len = 3 * (UT_LIST_GET_LEN(buf_pool->LRU) / 8); + old_len = buf_pool->LRU_old_len; + new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) + * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + UT_LIST_GET_LEN(buf_pool->LRU) + - (BUF_LRU_OLD_TOLERANCE + + BUF_LRU_NON_OLD_MIN_LEN)); - ut_ad(buf_pool->LRU_old->in_LRU_list); - ut_a(buf_pool->LRU_old); + for (;;) { + buf_page_t* LRU_old = buf_pool->LRU_old; + + ut_a(LRU_old); + ut_ad(LRU_old->in_LRU_list); #ifdef UNIV_LRU_DEBUG - ut_a(buf_pool->LRU_old->old); + ut_a(LRU_old->old); #endif /* UNIV_LRU_DEBUG */ /* Update the LRU_old pointer if necessary */ - if (old_len < new_len - BUF_LRU_OLD_TOLERANCE) { + if (old_len + BUF_LRU_OLD_TOLERANCE < new_len) { - buf_pool->LRU_old = UT_LIST_GET_PREV( - LRU, buf_pool->LRU_old); + buf_pool->LRU_old = LRU_old = UT_LIST_GET_PREV( + LRU, LRU_old); #ifdef UNIV_LRU_DEBUG - ut_a(!buf_pool->LRU_old->old); + ut_a(!LRU_old->old); #endif /* UNIV_LRU_DEBUG */ - buf_page_set_old(buf_pool->LRU_old, TRUE); - buf_pool->LRU_old_len++; + buf_page_set_old(LRU_old, TRUE); + old_len = ++buf_pool->LRU_old_len; } else if (old_len > new_len + BUF_LRU_OLD_TOLERANCE) { - buf_page_set_old(buf_pool->LRU_old, FALSE); - buf_pool->LRU_old = UT_LIST_GET_NEXT( - LRU, buf_pool->LRU_old); - buf_pool->LRU_old_len--; + buf_page_set_old(LRU_old, FALSE); + buf_pool->LRU_old = UT_LIST_GET_NEXT(LRU, LRU_old); + old_len = --buf_pool->LRU_old_len; } else { return; } @@ -1021,6 +1013,7 @@ buf_LRU_old_init(void) while (bpage != NULL) { ut_ad(bpage->in_LRU_list); + ut_ad(buf_page_in_file(bpage)); buf_page_set_old(bpage, TRUE); bpage = UT_LIST_GET_NEXT(LRU, bpage); } @@ -1075,16 +1068,19 @@ buf_LRU_remove_block( if (UNIV_UNLIKELY(bpage == buf_pool->LRU_old)) { - /* Below: the previous block is guaranteed to exist, because - the LRU_old pointer is only allowed to differ by the - tolerance value from strict 3/8 of the LRU list length. */ + /* Below: the previous block is guaranteed to exist, + because the LRU_old pointer is only allowed to differ + by BUF_LRU_OLD_TOLERANCE from strict + buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the LRU + list length. */ + buf_page_t* prev_bpage = UT_LIST_GET_PREV(LRU, bpage); - buf_pool->LRU_old = UT_LIST_GET_PREV(LRU, bpage); - ut_a(buf_pool->LRU_old); + ut_a(prev_bpage); #ifdef UNIV_LRU_DEBUG - ut_a(!buf_pool->LRU_old->old); + ut_a(!prev_bpage->old); #endif /* UNIV_LRU_DEBUG */ - buf_page_set_old(buf_pool->LRU_old, TRUE); + buf_pool->LRU_old = prev_bpage; + buf_page_set_old(prev_bpage, TRUE); buf_pool->LRU_old_len++; } @@ -1149,39 +1145,25 @@ buf_LRU_add_block_to_end_low( /*=========================*/ buf_page_t* bpage) /*!< in: control block */ { - buf_page_t* last_bpage; - ut_ad(buf_pool); ut_ad(bpage); ut_ad(buf_pool_mutex_own()); ut_a(buf_page_in_file(bpage)); - last_bpage = UT_LIST_GET_LAST(buf_pool->LRU); - - if (last_bpage) { - bpage->LRU_position = last_bpage->LRU_position; - } else { - bpage->LRU_position = buf_pool_clock_tic(); - } - ut_ad(!bpage->in_LRU_list); UT_LIST_ADD_LAST(LRU, buf_pool->LRU, bpage); ut_d(bpage->in_LRU_list = TRUE); buf_page_set_old(bpage, TRUE); - if (UT_LIST_GET_LEN(buf_pool->LRU) >= BUF_LRU_OLD_MIN_LEN) { - - buf_pool->LRU_old_len++; - } - if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { ut_ad(buf_pool->LRU_old); /* Adjust the length of the old block list if necessary */ + buf_pool->LRU_old_len++; buf_LRU_old_adjust_len(); } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { @@ -1189,6 +1171,7 @@ buf_LRU_add_block_to_end_low( /* The LRU list is now long enough for LRU_old to become defined: init it */ + buf_pool->LRU_old_len++; buf_LRU_old_init(); } @@ -1222,7 +1205,6 @@ buf_LRU_add_block_low( UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, bpage); - bpage->LRU_position = buf_pool_clock_tic(); bpage->freed_page_clock = buf_pool->freed_page_clock; } else { #ifdef UNIV_LRU_DEBUG @@ -1237,11 +1219,6 @@ buf_LRU_add_block_low( UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, buf_pool->LRU_old, bpage); buf_pool->LRU_old_len++; - - /* We copy the LRU position field of the previous block - to the new block */ - - bpage->LRU_position = (buf_pool->LRU_old)->LRU_position; } ut_d(bpage->in_LRU_list = TRUE); @@ -1295,6 +1272,12 @@ buf_LRU_make_block_young( /*=====================*/ buf_page_t* bpage) /*!< in: control block */ { + ut_ad(buf_pool_mutex_own()); + + if (bpage->old) { + buf_pool->stat.n_pages_made_young++; + } + buf_LRU_remove_block(bpage); buf_LRU_add_block_low(bpage, FALSE); } @@ -1829,6 +1812,50 @@ buf_LRU_block_free_hashed_page( buf_LRU_block_free_non_file_page(block); } +/**********************************************************************//** +Updates buf_LRU_old_ratio. +@return updated old_pct */ +UNIV_INTERN +uint +buf_LRU_old_ratio_update( +/*=====================*/ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust) /*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_LRU_old_ratio + during the initialization of InnoDB */ +{ + uint ratio; + + ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100; + if (ratio < BUF_LRU_OLD_RATIO_MIN) { + ratio = BUF_LRU_OLD_RATIO_MIN; + } else if (ratio > BUF_LRU_OLD_RATIO_MAX) { + ratio = BUF_LRU_OLD_RATIO_MAX; + } + + if (adjust) { + buf_pool_mutex_enter(); + + if (ratio != buf_LRU_old_ratio) { + buf_LRU_old_ratio = ratio; + + if (UT_LIST_GET_LEN(buf_pool->LRU) + >= BUF_LRU_OLD_MIN_LEN) { + buf_LRU_old_adjust_len(); + } + } + + buf_pool_mutex_exit(); + } else { + buf_LRU_old_ratio = ratio; + } + + /* the reverse of + ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100 */ + return((uint) (ratio * 100 / (double) BUF_LRU_OLD_RATIO_DIV + 0.5)); +} + /********************************************************************//** Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ @@ -1878,7 +1905,6 @@ buf_LRU_validate(void) buf_block_t* block; ulint old_len; ulint new_len; - ulint LRU_pos; ut_ad(buf_pool); buf_pool_mutex_enter(); @@ -1887,7 +1913,11 @@ buf_LRU_validate(void) ut_a(buf_pool->LRU_old); old_len = buf_pool->LRU_old_len; - new_len = 3 * (UT_LIST_GET_LEN(buf_pool->LRU) / 8); + new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) + * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + UT_LIST_GET_LEN(buf_pool->LRU) + - (BUF_LRU_OLD_TOLERANCE + + BUF_LRU_NON_OLD_MIN_LEN)); ut_a(old_len >= new_len - BUF_LRU_OLD_TOLERANCE); ut_a(old_len <= new_len + BUF_LRU_OLD_TOLERANCE); } @@ -1925,16 +1955,7 @@ buf_LRU_validate(void) ut_a(buf_pool->LRU_old == bpage); } - LRU_pos = buf_page_get_LRU_position(bpage); - bpage = UT_LIST_GET_NEXT(LRU, bpage); - - if (bpage) { - /* If the following assert fails, it may - not be an error: just the buf_pool clock - has wrapped around */ - ut_a(LRU_pos >= buf_page_get_LRU_position(bpage)); - } } if (buf_pool->LRU_old) { @@ -1982,9 +2003,6 @@ buf_LRU_print(void) ut_ad(buf_pool); buf_pool_mutex_enter(); - fprintf(stderr, "Pool ulint clock %lu\n", - (ulong) buf_pool->ulint_clock); - bpage = UT_LIST_GET_FIRST(buf_pool->LRU); while (bpage != NULL) { @@ -2015,18 +2033,16 @@ buf_LRU_print(void) const byte* frame; case BUF_BLOCK_FILE_PAGE: frame = buf_block_get_frame((buf_block_t*) bpage); - fprintf(stderr, "\nLRU pos %lu type %lu" + fprintf(stderr, "\ntype %lu" " index id %lu\n", - (ulong) buf_page_get_LRU_position(bpage), (ulong) fil_page_get_type(frame), (ulong) ut_dulint_get_low( btr_page_get_index_id(frame))); break; case BUF_BLOCK_ZIP_PAGE: frame = bpage->zip.data; - fprintf(stderr, "\nLRU pos %lu type %lu size %lu" + fprintf(stderr, "\ntype %lu size %lu" " index id %lu\n", - (ulong) buf_page_get_LRU_position(bpage), (ulong) fil_page_get_type(frame), (ulong) buf_page_get_zip_size(bpage), (ulong) ut_dulint_get_low( @@ -2034,8 +2050,7 @@ buf_LRU_print(void) break; default: - fprintf(stderr, "\nLRU pos %lu !state %lu!\n", - (ulong) buf_page_get_LRU_position(bpage), + fprintf(stderr, "\n!state %lu!\n", (ulong) buf_page_get_state(bpage)); break; } diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 74eb5604f9f..a973b1b2d26 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -38,14 +38,6 @@ Created 11/5/1995 Heikki Tuuri #include "srv0start.h" #include "srv0srv.h" -/** The size in blocks of the area where the random read-ahead algorithm counts -the accessed pages when deciding whether to read-ahead */ -#define BUF_READ_AHEAD_RANDOM_AREA BUF_READ_AHEAD_AREA - -/** There must be at least this many pages in buf_pool in the area to start -a random read-ahead */ -#define BUF_READ_AHEAD_RANDOM_THRESHOLD (1 + BUF_READ_AHEAD_RANDOM_AREA / 2) - /** The linear read-ahead area size */ #define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA @@ -62,7 +54,8 @@ flag is cleared and the x-lock released by an i/o-handler thread. @return 1 if a read request was queued, 0 if the page already resided in buf_pool, or if the page is in the doublewrite buffer blocks in which case it is never read into the pool, or if the tablespace does -not exist or is being dropped */ +not exist or is being dropped +@return 1 if read request is issued. 0 if it is not */ static ulint buf_read_page_low( @@ -164,175 +157,14 @@ buf_read_page_low( return(1); } -/********************************************************************//** -Applies a random read-ahead in buf_pool if there are at least a threshold -value of accessed pages from the random read-ahead area. Does not read any -page, not even the one at the position (space, offset), if the read-ahead -mechanism is not activated. NOTE 1: the calling thread may own latches on -pages: to avoid deadlocks this function must be written such that it cannot -end up waiting for these latches! NOTE 2: the calling thread must want -access to the page given: this rule is set to prevent unintended read-aheads -performed by ibuf routines, a situation which could result in a deadlock if -the OS does not support asynchronous i/o. -@return number of page read requests issued; NOTE that if we read ibuf -pages, it may happen that the page at the given page number does not -get read even if we return a positive value! */ -static -ulint -buf_read_ahead_random( -/*==================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint offset) /*!< in: page number of a page which the current thread - wants to access */ -{ - ib_int64_t tablespace_version; - ulint recent_blocks = 0; - ulint count; - ulint LRU_recent_limit; - ulint ibuf_mode; - ulint low, high; - ulint err; - ulint i; - ulint buf_read_ahead_random_area; - - /* We have currently disabled random readahead */ - return(0); - - if (srv_startup_is_before_trx_rollback_phase) { - /* No read-ahead to avoid thread deadlocks */ - return(0); - } - - if (ibuf_bitmap_page(zip_size, offset) - || trx_sys_hdr_page(space, offset)) { - - /* If it is an ibuf bitmap page or trx sys hdr, we do - no read-ahead, as that could break the ibuf page access - order */ - - return(0); - } - - /* Remember the tablespace version before we ask te tablespace size - below: if DISCARD + IMPORT changes the actual .ibd file meanwhile, we - do not try to read outside the bounds of the tablespace! */ - - tablespace_version = fil_space_get_version(space); - - buf_read_ahead_random_area = BUF_READ_AHEAD_RANDOM_AREA; - - low = (offset / buf_read_ahead_random_area) - * buf_read_ahead_random_area; - high = (offset / buf_read_ahead_random_area + 1) - * buf_read_ahead_random_area; - if (high > fil_space_get_size(space)) { - - high = fil_space_get_size(space); - } - - /* Get the minimum LRU_position field value for an initial segment - of the LRU list, to determine which blocks have recently been added - to the start of the list. */ - - LRU_recent_limit = buf_LRU_get_recent_limit(); - - buf_pool_mutex_enter(); - - if (buf_pool->n_pend_reads - > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { - buf_pool_mutex_exit(); - - return(0); - } - - /* Count how many blocks in the area have been recently accessed, - that is, reside near the start of the LRU list. */ - - for (i = low; i < high; i++) { - const buf_page_t* bpage = buf_page_hash_get(space, i); - - if (bpage - && buf_page_is_accessed(bpage) - && (buf_page_get_LRU_position(bpage) > LRU_recent_limit)) { - - recent_blocks++; - - if (recent_blocks >= BUF_READ_AHEAD_RANDOM_THRESHOLD) { - - buf_pool_mutex_exit(); - goto read_ahead; - } - } - } - - buf_pool_mutex_exit(); - /* Do nothing */ - return(0); - -read_ahead: - /* Read all the suitable blocks within the area */ - - if (ibuf_inside()) { - ibuf_mode = BUF_READ_IBUF_PAGES_ONLY; - } else { - ibuf_mode = BUF_READ_ANY_PAGE; - } - - count = 0; - - for (i = low; i < high; i++) { - /* It is only sensible to do read-ahead in the non-sync aio - mode: hence FALSE as the first parameter */ - - if (!ibuf_bitmap_page(zip_size, i)) { - count += buf_read_page_low( - &err, FALSE, - ibuf_mode | OS_AIO_SIMULATED_WAKE_LATER, - space, zip_size, FALSE, - tablespace_version, i); - if (err == DB_TABLESPACE_DELETED) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: in random" - " readahead trying to access\n" - "InnoDB: tablespace %lu page %lu,\n" - "InnoDB: but the tablespace does not" - " exist or is just being dropped.\n", - (ulong) space, (ulong) i); - } - } - } - - /* In simulated aio we wake the aio handler threads only after - queuing all aio requests, in native aio the following call does - nothing: */ - - os_aio_simulated_wake_handler_threads(); - -#ifdef UNIV_DEBUG - if (buf_debug_prints && (count > 0)) { - fprintf(stderr, - "Random read-ahead space %lu offset %lu pages %lu\n", - (ulong) space, (ulong) offset, - (ulong) count); - } -#endif /* UNIV_DEBUG */ - - ++srv_read_ahead_rnd; - return(count); -} - /********************************************************************//** High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock -released by the i/o-handler thread. Does a random read-ahead if it seems -sensible. -@return number of page read requests issued: this can be greater than -1 if read-ahead occurred */ +released by the i/o-handler thread. +@return TRUE if page has been read in, FALSE in case of failure */ UNIV_INTERN -ulint +ibool buf_read_page( /*==========*/ ulint space, /*!< in: space id */ @@ -341,20 +173,17 @@ buf_read_page( { ib_int64_t tablespace_version; ulint count; - ulint count2; ulint err; tablespace_version = fil_space_get_version(space); - count = buf_read_ahead_random(space, zip_size, offset); - /* We do the i/o in the synchronous aio mode to save thread switches: hence TRUE */ - count2 = buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, - zip_size, FALSE, - tablespace_version, offset); - srv_buf_pool_reads+= count2; + count = buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, + zip_size, FALSE, + tablespace_version, offset); + srv_buf_pool_reads += count; if (err == DB_TABLESPACE_DELETED) { ut_print_timestamp(stderr); fprintf(stderr, @@ -371,14 +200,14 @@ buf_read_page( /* Increment number of I/O operations used for LRU policy. */ buf_LRU_stat_inc_io(); - return(count + count2); + return(count > 0); } /********************************************************************//** Applies linear read-ahead if in the buf_pool the page is a border page of a linear read-ahead area and all the pages in the area have been accessed. Does not read any page if the read-ahead mechanism is not activated. Note -that the the algorithm looks at the 'natural' adjacent successor and +that the algorithm looks at the 'natural' adjacent successor and predecessor of the page, which on the leaf level of a B-tree are the next and previous page in the chain of leaves. To know these, the page specified in (space, offset) must already be present in the buf_pool. Thus, the @@ -498,9 +327,17 @@ buf_read_ahead_linear( fail_count++; } else if (pred_bpage) { - int res = (ut_ulint_cmp( - buf_page_get_LRU_position(bpage), - buf_page_get_LRU_position(pred_bpage))); + /* Note that buf_page_is_accessed() returns + the time of the first access. If some blocks + of the extent existed in the buffer pool at + the time of a linear access pattern, the first + access times may be nonmonotonic, even though + the latest access times were linear. The + threshold (srv_read_ahead_factor) should help + a little against this. */ + int res = ut_ulint_cmp( + buf_page_is_accessed(bpage), + buf_page_is_accessed(pred_bpage)); /* Accesses not in the right order */ if (res != 0 && res != asc_or_desc) { fail_count++; @@ -643,7 +480,7 @@ buf_read_ahead_linear( LRU policy decision. */ buf_LRU_stat_inc_io(); - ++srv_read_ahead_seq; + buf_pool->stat.n_ra_pages_read += count; return(count); } diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 7bad4d2057e..96a9bd8152e 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -1379,7 +1379,7 @@ dict_create_add_foreign_field_to_dictionary( Add a single foreign key definition to the data dictionary tables in the database. We also generate names to constraints that were not named by the user. A generated constraint has a name of the format -databasename/tablename_ibfk_, where the numbers start from 1, and +databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are given locally for this table, that is, the number is not global, as in the old format constraints < 4.0.18 it used to be. @return error code or DB_SUCCESS */ diff --git a/dict/dict0dict.c b/dict/dict0dict.c index d1f0e0ffc19..aedaf7cec1d 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -82,9 +82,10 @@ static char dict_ibfk[] = "_ibfk_"; /*******************************************************************//** Tries to find column names for the index and sets the col field of the -index. */ +index. +@return TRUE if the column names were found */ static -void +ibool dict_index_find_cols( /*=================*/ dict_table_t* table, /*!< in: table */ @@ -1169,7 +1170,7 @@ dict_col_name_is_reserved( ulint i; for (i = 0; i < UT_ARR_SIZE(reserved_names); i++) { - if (strcmp(name, reserved_names[i]) == 0) { + if (innobase_strcasecmp(name, reserved_names[i]) == 0) { return(TRUE); } @@ -1431,7 +1432,7 @@ add_field_size: /**********************************************************************//** Adds an index to the dictionary cache. -@return DB_SUCCESS or DB_TOO_BIG_RECORD */ +@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ UNIV_INTERN ulint dict_index_add_to_cache( @@ -1457,7 +1458,10 @@ dict_index_add_to_cache( ut_a(!dict_index_is_clust(index) || UT_LIST_GET_LEN(table->indexes) == 0); - dict_index_find_cols(table, index); + if (!dict_index_find_cols(table, index)) { + + return(DB_CORRUPTION); + } /* Build the cache internal representation of the index, containing also the added system fields */ @@ -1665,9 +1669,10 @@ dict_index_remove_from_cache( /*******************************************************************//** Tries to find column names for the index and sets the col field of the -index. */ +index. +@return TRUE if the column names were found */ static -void +ibool dict_index_find_cols( /*=================*/ dict_table_t* table, /*!< in: table */ @@ -1692,17 +1697,21 @@ dict_index_find_cols( } } +#ifdef UNIV_DEBUG /* It is an error not to find a matching column. */ fputs("InnoDB: Error: no matching column for ", stderr); ut_print_name(stderr, NULL, FALSE, field->name); fputs(" in ", stderr); dict_index_name_print(stderr, NULL, index); fputs("!\n", stderr); - ut_error; +#endif /* UNIV_DEBUG */ + return(FALSE); found: ; } + + return(TRUE); } #endif /* !UNIV_HOTBACKUP */ diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 6e110a717b6..509388ca31c 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -955,7 +955,7 @@ close_more: " while the maximum\n" "InnoDB: allowed value would be %lu.\n" "InnoDB: You may need to raise the value of" - " innodb_max_files_open in\n" + " innodb_open_files in\n" "InnoDB: my.cnf.\n", (ulong) fil_system->n_open, (ulong) fil_system->max_n_open); @@ -1535,7 +1535,7 @@ fil_open_log_and_system_tablespace_files(void) fprintf(stderr, "InnoDB: Warning: you must" " raise the value of" - " innodb_max_open_files in\n" + " innodb_open_files in\n" "InnoDB: my.cnf! Remember that" " InnoDB keeps all log files" " and all system\n" diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index ce14723ba18..08bd2ac8116 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -231,6 +231,9 @@ the extent are free and which contain old tuple version to clean. */ /* Offset of the descriptor array on a descriptor page */ #define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) +/* Flag to indicate if we have printed the tablespace full error. */ +static ibool fsp_tbs_full_error_printed = FALSE; + #ifndef UNIV_HOTBACKUP /**********************************************************************//** Returns an extent to the free list of a space. */ @@ -1099,7 +1102,7 @@ fsp_header_inc_size( /**********************************************************************//** Gets the current free limit of the system tablespace. The free limit -means the place of the first page which has never been put to the the +means the place of the first page which has never been put to the free list for allocation. The space above that address is initialized to zero. Sets also the global variable log_fsp_current_free_limit. @return free limit in megabytes */ @@ -1218,6 +1221,19 @@ fsp_try_extend_data_file( if (space == 0 && !srv_auto_extend_last_data_file) { + /* We print the error message only once to avoid + spamming the error log. Note that we don't need + to reset the flag to FALSE as dealing with this + error requires server restart. */ + if (fsp_tbs_full_error_printed == FALSE) { + fprintf(stderr, + "InnoDB: Error: Data file(s) ran" + " out of space.\n" + "Please add another data file or" + " use \'autoextend\' for the last" + " data file.\n"); + fsp_tbs_full_error_printed = TRUE; + } return(FALSE); } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index a41eda0b1cc..61e6a0c0c46 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -72,6 +72,7 @@ with this program; if not, write to the Free Software Foundation, Inc., /* Include necessary InnoDB headers */ extern "C" { #include "univ.i" +#include "buf0lru.h" #include "btr0sea.h" #include "os0file.h" #include "os0thread.h" @@ -104,12 +105,11 @@ extern "C" { #include "ha_innodb.h" #include "i_s.h" -#include "handler0vars.h" #ifndef MYSQL_SERVER /* This is needed because of Bug #3596. Let us hope that pthread_mutex_t is defined the same in both builds: the MySQL server and the InnoDB plugin. */ -extern pthread_mutex_t LOCK_thread_count; +extern MYSQL_PLUGIN_IMPORT pthread_mutex_t LOCK_thread_count; #if MYSQL_VERSION_ID < 50124 /* this is defined in mysql_priv.h inside #ifdef MYSQL_SERVER @@ -132,13 +132,9 @@ static bool innodb_inited = 0; /* In the Windows plugin, the return value of current_thd is undefined. Map it to NULL. */ -#if defined MYSQL_DYNAMIC_PLUGIN && defined __WIN__ -# undef current_thd -# define current_thd NULL -# define EQ_CURRENT_THD(thd) TRUE -#else /* MYSQL_DYNAMIC_PLUGIN && __WIN__ */ -# define EQ_CURRENT_THD(thd) ((thd) == current_thd) -#endif /* MYSQL_DYNAMIC_PLUGIN && __WIN__ */ + +#define EQ_CURRENT_THD(thd) ((thd) == current_thd) + static struct handlerton* innodb_hton_ptr; @@ -157,6 +153,10 @@ static ulong innobase_write_io_threads; static long long innobase_buffer_pool_size, innobase_log_file_size; +/** Percentage of the buffer pool to reserve for 'old' blocks. +Connected to buf_LRU_old_ratio. */ +static uint innobase_old_blocks_pct; + /* The default values for the following char* start-up parameters are determined in innobase_init below: */ @@ -171,9 +171,7 @@ file formats in the configuration file, but can only be set to any of the supported file formats during runtime. */ static char* innobase_file_format_check = NULL; -/* The following has a misleading name: starting from 4.0.5, this also -affects Windows: */ -static char* innobase_unix_file_flush_method = NULL; +static char* innobase_file_flush_method = NULL; /* Below we have boolean-valued start-up parameters, and their default values */ @@ -223,15 +221,34 @@ static void free_share(INNOBASE_SHARE *share); static int innobase_close_connection(handlerton *hton, THD* thd); static int innobase_commit(handlerton *hton, THD* thd, bool all); static int innobase_rollback(handlerton *hton, THD* thd, bool all); -static int innobase_rollback_to_savepoint(handlerton *hton, THD* thd, +static int innobase_rollback_to_savepoint(handlerton *hton, THD* thd, void *savepoint); static int innobase_savepoint(handlerton *hton, THD* thd, void *savepoint); -static int innobase_release_savepoint(handlerton *hton, THD* thd, +static int innobase_release_savepoint(handlerton *hton, THD* thd, void *savepoint); static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root); +/*********************************************************************** +This function checks each index name for a table against reserved +system default primary index name 'GEN_CLUST_INDEX'. If a name matches, +this function pushes an error message to the client, and returns true. */ +static +bool +innobase_index_name_is_reserved( +/*============================*/ + /* out: true if index name matches a + reserved name */ + const trx_t* trx, /* in: InnoDB transaction handle */ + const TABLE* form, /* in: information on table + columns and indexes */ + const char* norm_name); /* in: table name */ + +/* "GEN_CLUST_INDEX" is the name reserved for Innodb default +system primary index. */ +static const char innobase_index_reserve_name[]= "GEN_CLUST_INDEX"; + /** @brief Initialize the default value of innodb_commit_concurrency. Once InnoDB is running, the innodb_commit_concurrency must not change @@ -501,10 +518,10 @@ static SHOW_VAR innodb_status_variables[]= { (char*) &export_vars.innodb_buffer_pool_pages_misc, SHOW_LONG}, {"buffer_pool_pages_total", (char*) &export_vars.innodb_buffer_pool_pages_total, SHOW_LONG}, - {"buffer_pool_read_ahead_rnd", - (char*) &export_vars.innodb_buffer_pool_read_ahead_rnd, SHOW_LONG}, - {"buffer_pool_read_ahead_seq", - (char*) &export_vars.innodb_buffer_pool_read_ahead_seq, SHOW_LONG}, + {"buffer_pool_read_ahead", + (char*) &export_vars.innodb_buffer_pool_read_ahead, SHOW_LONG}, + {"buffer_pool_read_ahead_evicted", + (char*) &export_vars.innodb_buffer_pool_read_ahead_evicted, SHOW_LONG}, {"buffer_pool_read_requests", (char*) &export_vars.innodb_buffer_pool_read_requests, SHOW_LONG}, {"buffer_pool_reads", @@ -874,17 +891,14 @@ convert_error_code_to_mysql( return(ER_PRIMARY_CANT_HAVE_NULL); case DB_TOO_MANY_CONCURRENT_TRXS: - /* Once MySQL add the appropriate code to errmsg.txt then - we can get rid of this #ifdef. NOTE: The code checked by - the #ifdef is the suggested name for the error condition - and the actual error code name could very well be different. - This will require some monitoring, ie. the status - of this request on our part.*/ -#ifdef ER_TOO_MANY_CONCURRENT_TRXS - return(ER_TOO_MANY_CONCURRENT_TRXS); -#else + /* New error code HA_ERR_TOO_MANY_CONCURRENT_TRXS is only + available in 5.1.38 and later, but the plugin should still + work with previous versions of MySQL. */ +#ifdef HA_ERR_TOO_MANY_CONCURRENT_TRXS + return(HA_ERR_TOO_MANY_CONCURRENT_TRXS); +#else /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ return(HA_ERR_RECORD_FILE_FULL); -#endif +#endif /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ case DB_UNSUPPORTED: return(HA_ERR_UNSUPPORTED); } @@ -958,7 +972,23 @@ innobase_get_cset_width( *mbminlen = cs->mbminlen; *mbmaxlen = cs->mbmaxlen; } else { - ut_a(cset == 0); + THD* thd = current_thd; + + if (thd && thd_sql_command(thd) == SQLCOM_DROP_TABLE) { + + /* Fix bug#46256: allow tables to be dropped if the + collation is not found, but issue a warning. */ + if ((global_system_variables.log_warnings) + && (cset != 0)){ + + sql_print_warning( + "Unknown collation #%lu.", cset); + } + } else { + + ut_a(cset == 0); + } + *mbminlen = *mbmaxlen = 0; } } @@ -1032,6 +1062,7 @@ innobase_get_charset( } #if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) +extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list; /*******************************************************************//** Map an OS error to an errno value. The OS error number is stored in _doserrno and the mapped value is stored in errno) */ @@ -2159,7 +2190,7 @@ innobase_change_buffering_inited_ok: /* --------------------------------------------------*/ - srv_file_flush_method_str = innobase_unix_file_flush_method; + srv_file_flush_method_str = innobase_file_flush_method; srv_n_log_groups = (ulint) innobase_mirrored_log_groups; srv_n_log_files = (ulint) innobase_log_files_in_group; @@ -2214,6 +2245,9 @@ innobase_change_buffering_inited_ok: ut_a(0 == strcmp(my_charset_latin1.name, "latin1_swedish_ci")); srv_latin1_ordering = my_charset_latin1.sort_order; + innobase_old_blocks_pct = buf_LRU_old_ratio_update( + innobase_old_blocks_pct, FALSE); + innobase_commit_concurrency_init_default(); /* Since we in this module access directly the fields of a trx @@ -2467,6 +2501,19 @@ retry: } } + /* The following calls to read the MySQL binary log + file name and the position return consistent results: + 1) Other InnoDB transactions cannot intervene between + these calls as we are holding prepare_commit_mutex. + 2) Binary logging of other engines is not relevant + to InnoDB as all InnoDB requires is that committing + InnoDB transactions appear in the same order in the + MySQL binary log as they appear in InnoDB logs. + 3) A MySQL log file rotation cannot happen because + MySQL protects against this by having a counter of + transactions in prepared state and it only allows + a rotation when the counter drops to zero. See + LOCK_prep_xids and COND_prep_xids in log.cc. */ trx->mysql_log_file_name = mysql_bin_log_file_name(); trx->mysql_log_offset = (ib_int64_t) mysql_bin_log_file_pos(); @@ -5665,6 +5712,28 @@ create_table_def( } } + /* First check whether the column to be added has a + system reserved name. */ + if (dict_col_name_is_reserved(field->field_name)){ + push_warning_printf( + (THD*) trx->mysql_thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_CANT_CREATE_TABLE, + "Error creating table '%s' with " + "column name '%s'. '%s' is a " + "reserved name. Please try to " + "re-create the table with a " + "different column name.", + table->name, (char*) field->field_name, + (char*) field->field_name); + + dict_mem_table_free(table); + trx_commit_for_mysql(trx); + + error = DB_ERROR; + goto error_ret; + } + dict_mem_table_add_col(table, table->heap, (char*) field->field_name, col_type, @@ -5678,6 +5747,7 @@ create_table_def( error = row_create_table_for_mysql(table, trx); +error_ret: error = convert_error_code_to_mysql(error, flags, NULL); DBUG_RETURN(error); @@ -5716,6 +5786,9 @@ create_index( n_fields = key->key_parts; + /* Assert that "GEN_CLUST_INDEX" cannot be used as non-primary index */ + ut_a(innobase_strcasecmp(key->name, innobase_index_reserve_name) != 0); + ind_type = 0; if (key_num == form->s->primary_key) { @@ -5824,8 +5897,8 @@ create_clustered_index_when_no_primary( /* We pass 0 as the space id, and determine at a lower level the space id where to store the table */ - - index = dict_mem_index_create(table_name, "GEN_CLUST_INDEX", + index = dict_mem_index_create(table_name, + innobase_index_reserve_name, 0, DICT_CLUSTERED, 0); error = row_create_index_for_mysql(index, trx, NULL); @@ -6251,14 +6324,6 @@ ha_innobase::create( flags = DICT_TF_COMPACT; } - error = create_table_def(trx, form, norm_name, - create_info->options & HA_LEX_CREATE_TMP_TABLE ? name2 : NULL, - flags); - - if (error) { - goto cleanup; - } - /* Look for a primary key */ primary_key_no= (form->s->primary_key != MAX_KEY ? @@ -6270,6 +6335,22 @@ ha_innobase::create( ut_a(primary_key_no == -1 || primary_key_no == 0); + /* Check for name conflicts (with reserved name) for + any user indices to be created. */ + if (innobase_index_name_is_reserved(trx, form, norm_name)) { + error = -1; + goto cleanup; + } + + error = create_table_def(trx, form, norm_name, + create_info->options & HA_LEX_CREATE_TMP_TABLE ? name2 : NULL, + flags); + + if (error) { + goto cleanup; + } + + /* Create the keys */ if (form->s->keys == 0 || primary_key_no == -1) { @@ -8454,6 +8535,7 @@ ha_innobase::store_lock( && isolation_level != TRX_ISO_SERIALIZABLE && (lock_type == TL_READ || lock_type == TL_READ_NO_INSERT) && (sql_command == SQLCOM_INSERT_SELECT + || sql_command == SQLCOM_REPLACE_SELECT || sql_command == SQLCOM_UPDATE || sql_command == SQLCOM_CREATE_TABLE)) { @@ -8461,10 +8543,11 @@ ha_innobase::store_lock( option set or this session is using READ COMMITTED isolation level and isolation level of the transaction is not set to serializable and MySQL is doing - INSERT INTO...SELECT or UPDATE ... = (SELECT ...) or - CREATE ... SELECT... without FOR UPDATE or - IN SHARE MODE in select, then we use consistent - read for select. */ + INSERT INTO...SELECT or REPLACE INTO...SELECT + or UPDATE ... = (SELECT ...) or CREATE ... + SELECT... without FOR UPDATE or IN SHARE + MODE in select, then we use consistent read + for select. */ prebuilt->select_lock_type = LOCK_NONE; prebuilt->stored_select_lock_type = LOCK_NONE; @@ -9620,6 +9703,25 @@ innodb_adaptive_hash_index_update( } } +/****************************************************************//** +Update the system variable innodb_old_blocks_pct using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_old_blocks_pct_update( +/*=========================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr,/*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + innobase_old_blocks_pct = buf_LRU_old_ratio_update( + *static_cast(save), TRUE); +} + /*************************************************************//** Check if it is a valid value of innodb_change_buffering. This function is registered as a callback with MySQL. @@ -9693,6 +9795,46 @@ static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) return 0; } +/*********************************************************************** +This function checks each index name for a table against reserved +system default primary index name 'GEN_CLUST_INDEX'. If a name matches, +this function pushes an error message to the client, and returns true. */ +static +bool +innobase_index_name_is_reserved( +/*============================*/ + /* out: true if an index name + matches the reserved name */ + const trx_t* trx, /* in: InnoDB transaction handle */ + const TABLE* form, /* in: information on table + columns and indexes */ + const char* norm_name) /* in: table name */ +{ + KEY* key; + uint key_num; /* index number */ + + for (key_num = 0; key_num < form->s->keys; key_num++) { + key = form->key_info + key_num; + + if (innobase_strcasecmp(key->name, + innobase_index_reserve_name) == 0) { + /* Push warning to mysql */ + push_warning_printf((THD*) trx->mysql_thd, + MYSQL_ERROR::WARN_LEVEL_ERROR, + ER_CANT_CREATE_TABLE, + "Cannot Create Index with name " + "'%s'. The name is reserved " + "for the system default primary " + "index.", + innobase_index_reserve_name); + + return(true); + } + } + + return(false); +} + static SHOW_VAR innodb_status_variables_export[]= { {"Innodb", (char*) &show_innodb_vars, SHOW_FUNC}, {NullS, NullS, SHOW_LONG} @@ -9761,7 +9903,7 @@ static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, " or 2 (write at commit, flush once per second).", NULL, NULL, 1, 0, 2, 0); -static MYSQL_SYSVAR_STR(flush_method, innobase_unix_file_flush_method, +static MYSQL_SYSVAR_STR(flush_method, innobase_file_flush_method, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "With which method to flush data.", NULL, NULL, NULL); @@ -9857,7 +9999,7 @@ static MYSQL_SYSVAR_ULONG(concurrency_tickets, srv_n_free_tickets_to_enter, NULL, NULL, 500L, 1L, ~0L, 0); static MYSQL_SYSVAR_LONG(file_io_threads, innobase_file_io_threads, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY | PLUGIN_VAR_NOSYSVAR, "Number of file I/O threads in InnoDB.", NULL, NULL, 4, 4, 64, 0); @@ -9896,6 +10038,18 @@ static MYSQL_SYSVAR_LONG(mirrored_log_groups, innobase_mirrored_log_groups, "Number of identical copies of log groups we keep for the database. Currently this should be set to 1.", NULL, NULL, 1, 1, 10, 0); +static MYSQL_SYSVAR_UINT(old_blocks_pct, innobase_old_blocks_pct, + PLUGIN_VAR_RQCMDARG, + "Percentage of the buffer pool to reserve for 'old' blocks.", + NULL, innodb_old_blocks_pct_update, 100 * 3 / 8, 5, 95, 0); + +static MYSQL_SYSVAR_UINT(old_blocks_time, buf_LRU_old_threshold_ms, + PLUGIN_VAR_RQCMDARG, + "Move blocks to the 'new' end of the buffer pool if the first access" + " was at least this many milliseconds ago." + " The timeout is disabled if 0 (the default).", + NULL, NULL, 0, 0, UINT_MAX32, 0); + static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "How many files at the maximum InnoDB keeps open at the same time.", @@ -9999,6 +10153,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(adaptive_flushing), MYSQL_SYSVAR(max_purge_lag), MYSQL_SYSVAR(mirrored_log_groups), + MYSQL_SYSVAR(old_blocks_pct), + MYSQL_SYSVAR(old_blocks_time), MYSQL_SYSVAR(open_files), MYSQL_SYSVAR(rollback_on_timeout), MYSQL_SYSVAR(stats_on_metadata), diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 12f6099eeb3..1aa0e6b126c 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -35,7 +35,6 @@ extern "C" { } #include "ha_innodb.h" -#include "handler0vars.h" /*************************************************************//** Copies an InnoDB column to a MySQL field. This function is @@ -664,7 +663,7 @@ ha_innobase::add_index( if (UNIV_UNLIKELY(error)) { err_exit: mem_heap_free(heap); - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx_free_for_mysql(trx); trx_commit_for_mysql(prebuilt->trx); DBUG_RETURN(error); @@ -802,7 +801,7 @@ error_handling: alter table t drop index b, add index (b); The fix will have to parse the SQL and note that the index - being added has the same name as the the one being dropped and + being added has the same name as the one being dropped and ignore that in the dup index check.*/ //dict_table_check_for_dup_indexes(prebuilt->table); #endif @@ -864,6 +863,7 @@ error_handling: indexed_table->n_mysql_handles_opened++; error = row_merge_drop_table(trx, innodb_table); + innodb_table = indexed_table; goto convert_error; case DB_TOO_BIG_RECORD: diff --git a/handler/handler0vars.h b/handler/handler0vars.h deleted file mode 100644 index e0f8f75e34d..00000000000 --- a/handler/handler0vars.h +++ /dev/null @@ -1,69 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2008, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file handler/handler0vars.h -This file contains accessor functions for dynamic plugin on Windows. -***********************************************************************/ - -#if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN -/*******************************************************************//** -This is a list of externals that can not be resolved by delay loading. -They have to be resolved indirectly via their addresses in the .map file. -All of them are external variables. */ -extern CHARSET_INFO* wdl_my_charset_bin; -extern CHARSET_INFO* wdl_my_charset_latin1; -extern CHARSET_INFO* wdl_my_charset_filename; -extern CHARSET_INFO** wdl_system_charset_info; -extern CHARSET_INFO** wdl_default_charset_info; -extern CHARSET_INFO** wdl_all_charsets; -extern system_variables* wdl_global_system_variables; -extern char* wdl_mysql_real_data_home; -extern char** wdl_mysql_data_home; -extern char** wdl_tx_isolation_names; -extern char** wdl_binlog_format_names; -extern char* wdl_reg_ext; -extern pthread_mutex_t* wdl_LOCK_thread_count; -extern key_map* wdl_key_map_full; -extern MY_TMPDIR* wdl_mysql_tmpdir_list; -extern bool* wdl_mysqld_embedded; -extern uint* wdl_lower_case_table_names; -extern ulong* wdl_specialflag; -extern int* wdl_my_umask; - -#define my_charset_bin (*wdl_my_charset_bin) -#define my_charset_latin1 (*wdl_my_charset_latin1) -#define my_charset_filename (*wdl_my_charset_filename) -#define system_charset_info (*wdl_system_charset_info) -#define default_charset_info (*wdl_default_charset_info) -#define all_charsets (wdl_all_charsets) -#define global_system_variables (*wdl_global_system_variables) -#define mysql_real_data_home (wdl_mysql_real_data_home) -#define mysql_data_home (*wdl_mysql_data_home) -#define tx_isolation_names (wdl_tx_isolation_names) -#define binlog_format_names (wdl_binlog_format_names) -#define reg_ext (wdl_reg_ext) -#define LOCK_thread_count (*wdl_LOCK_thread_count) -#define key_map_full (*wdl_key_map_full) -#define mysql_tmpdir_list (*wdl_mysql_tmpdir_list) -#define mysqld_embedded (*wdl_mysqld_embedded) -#define lower_case_table_names (*wdl_lower_case_table_names) -#define specialflag (*wdl_specialflag) -#define my_umask (*wdl_my_umask) - -#endif diff --git a/handler/i_s.cc b/handler/i_s.cc index 3c6959d9b8f..524fe696de2 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -42,7 +42,6 @@ extern "C" { #include "ha_prototypes.h" /* for innobase_convert_name() */ #include "srv0start.h" /* for srv_was_started */ } -#include "handler0vars.h" static const char plugin_author[] = "Innobase Oy"; @@ -70,14 +69,16 @@ do { \ #define STRUCT_FLD(name, value) value #endif -static const ST_FIELD_INFO END_OF_ST_FIELD_INFO = - {STRUCT_FLD(field_name, NULL), - STRUCT_FLD(field_length, 0), - STRUCT_FLD(field_type, MYSQL_TYPE_NULL), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}; +/* Don't use a static const variable here, as some C++ compilers (notably +HPUX aCC: HP ANSI C++ B3910B A.03.65) can't handle it. */ +#define END_OF_ST_FIELD_INFO \ + {STRUCT_FLD(field_name, NULL), \ + STRUCT_FLD(field_length, 0), \ + STRUCT_FLD(field_type, MYSQL_TYPE_NULL), \ + STRUCT_FLD(value, 0), \ + STRUCT_FLD(field_flags, 0), \ + STRUCT_FLD(old_name, ""), \ + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)} /* Use the following types mapping: diff --git a/handler/win_delay_loader.cc b/handler/win_delay_loader.cc deleted file mode 100644 index 9b92f6a9cf2..00000000000 --- a/handler/win_delay_loader.cc +++ /dev/null @@ -1,1024 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2008, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file handler/win_delay_loader.cc -This file contains functions that implement the delay loader on Windows. - -This is a customized version of delay loader with limited functionalities. -It does not support: - -* (manual) unloading -* multiple delay loaded DLLs -* multiple loading of the same DLL - -This delay loader is used only by the InnoDB plugin. Other components (DLLs) -can still use the default delay loader, provided by MSVC. - -Several acronyms used by Microsoft: - * IAT: import address table - * INT: import name table - * RVA: Relative Virtual Address - -See http://msdn.microsoft.com/en-us/magazine/bb985992.aspx for details of -PE format. -***********************************************************************/ -#if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) -# define WIN32_LEAN_AND_MEAN -# include -# include -# include - -extern "C" { -# include "univ.i" -# include "hash0hash.h" -} - -/*******************************************************************//** -This following contains a list of externals that can not be resolved by -delay loading. They have to be resolved indirectly via their addresses -in the .map file. All of them are external variables. */ -CHARSET_INFO* wdl_my_charset_bin; -CHARSET_INFO* wdl_my_charset_latin1; -CHARSET_INFO* wdl_my_charset_filename; -CHARSET_INFO** wdl_system_charset_info; -CHARSET_INFO** wdl_default_charset_info; -CHARSET_INFO** wdl_all_charsets; -system_variables* wdl_global_system_variables; -char* wdl_mysql_real_data_home; -char** wdl_mysql_data_home; -char** wdl_tx_isolation_names; -char** wdl_binlog_format_names; -char* wdl_reg_ext; -pthread_mutex_t* wdl_LOCK_thread_count; -key_map* wdl_key_map_full; -MY_TMPDIR* wdl_mysql_tmpdir_list; -bool* wdl_mysqld_embedded; -uint* wdl_lower_case_table_names; -ulong* wdl_specialflag; -int* wdl_my_umask; - -/*******************************************************************//** -The preferred load-address defined in PE (portable executable format). */ -#if defined(_M_IA64) -#pragma section(".base", long, read) -extern "C" -__declspec(allocate(".base")) -const IMAGE_DOS_HEADER __ImageBase; -#else -extern "C" -const IMAGE_DOS_HEADER __ImageBase; -#endif - -/*******************************************************************//** -A template function for converting a relative address (RVA) to an -absolute address (VA). This is due to the pointers in the delay -descriptor (ImgDelayDescr in delayimp.h) have been changed from -VAs to RVAs to work on both 32- and 64-bit platforms. -@return absolute virtual address */ -template -X PFromRva( -/*=======*/ - RVA rva) /*!< in: relative virtual address */ -{ - return X(PBYTE(&__ImageBase) + rva); -} - -/*******************************************************************//** -Convert to the old format for convenience. The structure as well as its -element names follow the definition of ImgDelayDescr in delayimp.h. */ -struct InternalImgDelayDescr -{ - DWORD grAttrs; /*!< attributes */ - LPCSTR szName; /*!< pointer to dll name */ - HMODULE* phmod; /*!< address of module handle */ - PImgThunkData pIAT; /*!< address of the IAT */ - PCImgThunkData pINT; /*!< address of the INT */ - PCImgThunkData pBoundIAT; /*!< address of the optional bound IAT */ - PCImgThunkData pUnloadIAT; /*!< address of optional copy of - original IAT */ - DWORD dwTimeStamp; /*!< 0 if not bound, - otherwise date/time stamp of DLL - bound to (Old BIND) */ -}; - -typedef struct map_hash_chain_struct map_hash_chain_t; - -struct map_hash_chain_struct { - char* symbol; /*!< pointer to a symbol */ - ulint value; /*!< address of the symbol */ - map_hash_chain_t* next; /*!< pointer to the next cell - in the same folder. */ - map_hash_chain_t* chain; /*!< a linear chain used for - cleanup. */ -}; - -static HMODULE my_hmod = 0; -static struct hash_table_struct* m_htbl = NULL ; -static map_hash_chain_t* chain_header = NULL; -static ibool wdl_init = FALSE; -const ulint MAP_HASH_CELLS_NUM = 10000; - -#ifndef DBUG_OFF -/*******************************************************************//** -In the dynamic plugin, it is required to call the following dbug functions -in the server: - _db_pargs_ - _db_doprnt_ - _db_enter_ - _db_return_ - _db_dump_ - -The plugin will get those function pointers during the initialization. */ -typedef void (__cdecl* pfn_db_enter_)( - const char* _func_, - const char* _file_, - uint _line_, - const char** _sfunc_, - const char** _sfile_, - uint* _slevel_, - char***); - -typedef void (__cdecl* pfn_db_return_)( - uint _line_, - const char** _sfunc_, - const char** _sfile_, - uint* _slevel_); - -typedef void (__cdecl* pfn_db_pargs_)( - uint _line_, - const char* keyword); - -typedef void (__cdecl* pfn_db_doprnt_)( - const char* format, - ...); - -typedef void (__cdecl* pfn_db_dump_)( - uint _line_, - const char* keyword, - const unsigned char* memory, - size_t length); - -static pfn_db_enter_ wdl_db_enter_; -static pfn_db_return_ wdl_db_return_; -static pfn_db_pargs_ wdl_db_pargs_; -static pfn_db_doprnt_ wdl_db_doprnt_; -static pfn_db_dump_ wdl_db_dump_; -#endif /* !DBUG_OFF */ - -/*************************************************************//** -Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. - -This is the same function as hash_create in hash0hash.c, except the -memory allocation. This function is invoked before the engine is -initialized, and buffer pools are not ready yet. -@return own: created hash table */ -static -hash_table_t* -wdl_hash_create( -/*============*/ - ulint n) /*!< in: number of array cells */ -{ - hash_cell_t* array; - ulint prime; - hash_table_t* table; - - prime = ut_find_prime(n); - - table = (hash_table_t*) malloc(sizeof(hash_table_t)); - if (table == NULL) { - return(NULL); - } - - array = (hash_cell_t*) malloc(sizeof(hash_cell_t) * prime); - if (array == NULL) { - free(table); - return(NULL); - } - - table->array = array; - table->n_cells = prime; - table->n_mutexes = 0; - table->mutexes = NULL; - table->heaps = NULL; - table->heap = NULL; - table->magic_n = HASH_TABLE_MAGIC_N; - - /* Initialize the cell array */ - hash_table_clear(table); - - return(table); -} - -/*************************************************************//** -Frees a hash table. */ -static -void -wdl_hash_table_free( -/*================*/ - hash_table_t* table) /*!< in, own: hash table */ -{ - ut_a(table != NULL); - ut_a(table->mutexes == NULL); - - free(table->array); - free(table); -} - -/*******************************************************************//** -Function for calculating the count of imports given the base of the IAT. -@return number of imports */ -static -ulint -wdl_import_count( -/*=============*/ - PCImgThunkData pitd_base) /*!< in: base of the IAT */ -{ - ulint ret = 0; - PCImgThunkData pitd = pitd_base; - - while (pitd->u1.Function) { - pitd++; - ret++; - } - - return(ret); -} - -/*******************************************************************//** -Read Mapfile to a hashtable for faster access -@return TRUE if the mapfile is loaded successfully. */ -static -ibool -wdl_load_mapfile( -/*=============*/ - const char* filename) /*!< in: name of the mapfile. */ -{ - FILE* fp; - const size_t nSize = 256; - char tmp_buf[nSize]; - char* func_name; - char* func_addr; - ulint load_addr = 0; - ibool valid_load_addr = FALSE; -#ifdef _WIN64 - const char* tmp_string = " Preferred load address is %16llx"; -#else - const char* tmp_string = " Preferred load address is %08x"; -#endif - - fp = fopen(filename, "r"); - if (fp == NULL) { - - return(FALSE); - } - - /* Check whether to create the hashtable */ - if (m_htbl == NULL) { - - m_htbl = wdl_hash_create(MAP_HASH_CELLS_NUM); - - if (m_htbl == NULL) { - - fclose(fp); - return(FALSE); - } - } - - /* Search start of symbol list and get the preferred load address */ - while (fgets(tmp_buf, sizeof(tmp_buf), fp)) { - - if (sscanf(tmp_buf, tmp_string, &load_addr) == 1) { - - valid_load_addr = TRUE; - } - - if (strstr(tmp_buf, "Rva+Base") != NULL) { - - break; - } - } - - if (valid_load_addr == FALSE) { - - /* No "Preferred load address", the map file is wrong. */ - fclose(fp); - return(FALSE); - } - - /* Read symbol list */ - while (fgets(tmp_buf, sizeof(tmp_buf), fp)) - { - map_hash_chain_t* map_cell; - ulint map_fold; - - if (*tmp_buf == 0) { - - continue; - } - - func_name = strtok(tmp_buf, " "); - func_name = strtok(NULL, " "); - func_addr = strtok(NULL, " "); - - if (func_name && func_addr) { - - ut_snprintf(tmp_buf, nSize, "0x%s", func_addr); - if (*func_name == '_') { - - func_name++; - } - - map_cell = (map_hash_chain_t*) - malloc(sizeof(map_hash_chain_t)); - if (map_cell == NULL) { - return(FALSE); - } - - /* Chain all cells together */ - map_cell->chain = chain_header; - chain_header = map_cell; - - map_cell->symbol = strdup(func_name); - map_cell->value = (ulint) _strtoui64(tmp_buf, NULL, 0) - - load_addr; - map_fold = ut_fold_string(map_cell->symbol); - - HASH_INSERT(map_hash_chain_t, - next, - m_htbl, - map_fold, - map_cell); - } - } - - fclose(fp); - - return(TRUE); -} - -/*************************************************************//** -Cleanup.during DLL unload */ -static -void -wdl_cleanup(void) -/*=============*/ -{ - while (chain_header != NULL) { - map_hash_chain_t* tmp; - - tmp = chain_header->chain; - free(chain_header->symbol); - free(chain_header); - chain_header = tmp; - } - - if (m_htbl != NULL) { - - wdl_hash_table_free(m_htbl); - } -} - -/*******************************************************************//** -Load the mapfile mysqld.map. -@return the module handle */ -static -HMODULE -wdl_get_mysqld_mapfile(void) -/*========================*/ -{ - char file_name[MAX_PATH]; - char* ext; - ulint err; - - if (my_hmod == 0) { - - size_t nSize = MAX_PATH - strlen(".map") -1; - - /* First find out the name of current executable */ - my_hmod = GetModuleHandle(NULL); - if (my_hmod == 0) { - - return(my_hmod); - } - - err = GetModuleFileName(my_hmod, file_name, nSize); - if (err == 0) { - - my_hmod = 0; - return(my_hmod); - } - - ext = strrchr(file_name, '.'); - if (ext != NULL) { - - *ext = 0; - strcat(file_name, ".map"); - - err = wdl_load_mapfile(file_name); - if (err == 0) { - - my_hmod = 0; - } - } else { - - my_hmod = 0; - } - } - - return(my_hmod); -} - -/*******************************************************************//** -Retrieves the address of an exported function. It follows the convention -of GetProcAddress(). -@return address of exported function. */ -static -FARPROC -wdl_get_procaddr_from_map( -/*======================*/ - HANDLE m_handle, /*!< in: module handle */ - const char* import_proc) /*!< in: procedure name */ -{ - map_hash_chain_t* hash_chain; - ulint map_fold; - - map_fold = ut_fold_string(import_proc); - HASH_SEARCH( - next, - m_htbl, - map_fold, - map_hash_chain_t*, - hash_chain, - , - (ut_strcmp(hash_chain->symbol, import_proc) == 0)); - - if (hash_chain == NULL) { - -#ifdef _WIN64 - /* On Win64, the leading '_' may not be taken out. In this - case, search again without the leading '_'. */ - if (*import_proc == '_') { - - import_proc++; - } - - map_fold = ut_fold_string(import_proc); - HASH_SEARCH( - next, - m_htbl, - map_fold, - map_hash_chain_t*, - hash_chain, - , - (ut_strcmp(hash_chain->symbol, import_proc) == 0)); - - if (hash_chain == NULL) { -#endif - if (wdl_init == TRUE) { - - sql_print_error( - "InnoDB: the procedure pointer of %s" - " is not found.", - import_proc); - } - - return(0); -#ifdef _WIN64 - } -#endif - } - - return((FARPROC) ((ulint) m_handle + hash_chain->value)); -} - -/*******************************************************************//** -Retrieves the address of an exported variable. -Note: It does not follow the Windows call convention FARPROC. -@return address of exported variable. */ -static -void* -wdl_get_varaddr_from_map( -/*=====================*/ - HANDLE m_handle, /*!< in: module handle */ - const char* import_variable) /*!< in: variable name */ -{ - map_hash_chain_t* hash_chain; - ulint map_fold; - - map_fold = ut_fold_string(import_variable); - HASH_SEARCH( - next, - m_htbl, - map_fold, - map_hash_chain_t*, - hash_chain, - , - (ut_strcmp(hash_chain->symbol, import_variable) == 0)); - - if (hash_chain == NULL) { - -#ifdef _WIN64 - /* On Win64, the leading '_' may not be taken out. In this - case, search again without the leading '_'. */ - if (*import_variable == '_') { - - import_variable++; - } - - map_fold = ut_fold_string(import_variable); - HASH_SEARCH( - next, - m_htbl, - map_fold, - map_hash_chain_t*, - hash_chain, - , - (ut_strcmp(hash_chain->symbol, import_variable) == 0)); - - if (hash_chain == NULL) { -#endif - if (wdl_init == TRUE) { - - sql_print_error( - "InnoDB: the variable address of %s" - " is not found.", - import_variable); - } - - return(0); -#ifdef _WIN64 - } -#endif - } - - return((void*) ((ulint) m_handle + hash_chain->value)); -} - -/*******************************************************************//** -Bind all unresolved external variables from the MySQL executable. -@return TRUE if successful */ -static -bool -wdl_get_external_variables(void) -/*============================*/ -{ - HMODULE hmod = wdl_get_mysqld_mapfile(); - - if (hmod == 0) { - - return(FALSE); - } - -#define GET_SYM(sym, var, type) \ - var = (type*) wdl_get_varaddr_from_map(hmod, sym); \ - if (var == NULL) return(FALSE) -#ifdef _WIN64 -#define GET_SYM2(sym1, sym2, var, type) \ - var = (type*) wdl_get_varaddr_from_map(hmod, sym1); \ - if (var == NULL) return(FALSE) -#else -#define GET_SYM2(sym1, sym2, var, type) \ - var = (type*) wdl_get_varaddr_from_map(hmod, sym2); \ - if (var == NULL) return(FALSE) -#endif // (_WIN64) -#define GET_C_SYM(sym, type) GET_SYM(#sym, wdl_##sym, type) -#define GET_PROC_ADDR(sym) \ - wdl##sym = (pfn##sym) wdl_get_procaddr_from_map(hmod, #sym) - - GET_C_SYM(my_charset_bin, CHARSET_INFO); - GET_C_SYM(my_charset_latin1, CHARSET_INFO); - GET_C_SYM(my_charset_filename, CHARSET_INFO); - GET_C_SYM(default_charset_info, CHARSET_INFO*); - GET_C_SYM(all_charsets, CHARSET_INFO*); - GET_C_SYM(my_umask, int); - - GET_SYM("?global_system_variables@@3Usystem_variables@@A", - wdl_global_system_variables, struct system_variables); - GET_SYM("?mysql_real_data_home@@3PADA", - wdl_mysql_real_data_home, char); - GET_SYM("?reg_ext@@3PADA", wdl_reg_ext, char); - GET_SYM("?LOCK_thread_count@@3U_RTL_CRITICAL_SECTION@@A", - wdl_LOCK_thread_count, pthread_mutex_t); - GET_SYM("?key_map_full@@3V?$Bitmap@$0EA@@@A", - wdl_key_map_full, key_map); - GET_SYM("?mysql_tmpdir_list@@3Ust_my_tmpdir@@A", - wdl_mysql_tmpdir_list, MY_TMPDIR); - GET_SYM("?mysqld_embedded@@3_NA", - wdl_mysqld_embedded, bool); - GET_SYM("?lower_case_table_names@@3IA", - wdl_lower_case_table_names, uint); - GET_SYM("?specialflag@@3KA", wdl_specialflag, ulong); - - GET_SYM2("?system_charset_info@@3PEAUcharset_info_st@@EA", - "?system_charset_info@@3PAUcharset_info_st@@A", - wdl_system_charset_info, CHARSET_INFO*); - GET_SYM2("?mysql_data_home@@3PEADEA", - "?mysql_data_home@@3PADA", - wdl_mysql_data_home, char*); - GET_SYM2("?tx_isolation_names@@3PAPEBDA", - "?tx_isolation_names@@3PAPBDA", - wdl_tx_isolation_names, char*); - GET_SYM2("?binlog_format_names@@3PAPEBDA", - "?binlog_format_names@@3PAPBDA", - wdl_binlog_format_names, char*); - -#ifndef DBUG_OFF - GET_PROC_ADDR(_db_enter_); - GET_PROC_ADDR(_db_return_); - GET_PROC_ADDR(_db_pargs_); - GET_PROC_ADDR(_db_doprnt_); - GET_PROC_ADDR(_db_dump_); - - /* If any of the dbug functions is not available, just make them - all invalid. This is the case when working with a non-debug - version of the server. */ - if (wdl_db_enter_ == NULL || wdl_db_return_ == NULL - || wdl_db_pargs_ == NULL || wdl_db_doprnt_ == NULL - || wdl_db_dump_ == NULL) { - - wdl_db_enter_ = NULL; - wdl_db_return_ = NULL; - wdl_db_pargs_ = NULL; - wdl_db_doprnt_ = NULL; - wdl_db_dump_ = NULL; - } -#endif /* !DBUG_OFF */ - - wdl_init = TRUE; - return(TRUE); - -#undef GET_SYM -#undef GET_SYM2 -#undef GET_C_SYM -#undef GET_PROC_ADDR -} - -/*******************************************************************//** -The DLL Delayed Loading Helper Function for resolving externals. - -The function may fail due to one of the three reasons: - -* Invalid parameter, which happens if the attributes in pidd aren't - specified correctly. -* Failed to load the map file mysqld.map. -* Failed to find an external name in the map file mysqld.map. - -Note: this function is called by run-time as well as __HrLoadAllImportsForDll. -So, it has to follow Windows call convention. -@return the address of the imported function */ -extern "C" -FARPROC WINAPI -__delayLoadHelper2( -/*===============*/ - PCImgDelayDescr pidd, /*!< in: a const pointer to a - ImgDelayDescr, see delayimp.h. */ - FARPROC* iat_entry) /*!< in/out: A pointer to the slot in - the delay load import address table - to be updated with the address of the - imported function. */ -{ - ulint iIAT, iINT; - HMODULE hmod; - PCImgThunkData pitd; - FARPROC fun = NULL; - - /* Set up data used for the hook procs */ - InternalImgDelayDescr idd = { - pidd->grAttrs, - PFromRva(pidd->rvaDLLName), - PFromRva(pidd->rvaHmod), - PFromRva(pidd->rvaIAT), - PFromRva(pidd->rvaINT), - PFromRva(pidd->rvaBoundIAT), - PFromRva(pidd->rvaUnloadIAT), - pidd->dwTimeStamp - }; - - DelayLoadInfo dli = { - sizeof(DelayLoadInfo), - pidd, - iat_entry, - idd.szName, - {0}, - 0, - 0, - 0 - }; - - /* Check the Delay Load Attributes, log an error of invalid - parameter, which happens if the attributes in pidd are not - specified correctly. */ - if ((idd.grAttrs & dlattrRva) == 0) { - - sql_print_error("InnoDB: invalid parameter for delay loader."); - return(0); - } - - hmod = *idd.phmod; - - /* Calculate the index for the IAT entry in the import address table. - The INT entries are ordered the same as the IAT entries so the - calculation can be done on the IAT side. */ - iIAT = (PCImgThunkData) iat_entry - idd.pIAT; - iINT = iIAT; - - pitd = &(idd.pINT[iINT]); - - dli.dlp.fImportByName = !IMAGE_SNAP_BY_ORDINAL(pitd->u1.Ordinal); - - if (dli.dlp.fImportByName) { - - dli.dlp.szProcName = (LPCSTR) (PFromRva - ((RVA) ((UINT_PTR) pitd->u1.AddressOfData))->Name); - } else { - - dli.dlp.dwOrdinal = (ulint) IMAGE_ORDINAL(pitd->u1.Ordinal); - } - - /* Now, load the mapfile, if it has not been done yet */ - if (hmod == 0) { - - hmod = wdl_get_mysqld_mapfile(); - } - - if (hmod == 0) { - /* LoadLibrary failed. */ - PDelayLoadInfo rgpdli[1] = {&dli}; - - dli.dwLastError = ::GetLastError(); - - sql_print_error( - "InnoDB: failed to load mysqld.map with error %d.", - dli.dwLastError); - - return(0); - } - - /* Store the library handle. */ - idd.phmod = &hmod; - - /* Go for the procedure now. */ - dli.hmodCur = hmod; - - if (pidd->rvaBoundIAT && pidd->dwTimeStamp) { - - /* Bound imports exist, check the timestamp from the target - image */ - PIMAGE_NT_HEADERS pinh; - - pinh = (PIMAGE_NT_HEADERS) ((byte*) hmod - + ((PIMAGE_DOS_HEADER) hmod)->e_lfanew); - - if (pinh->Signature == IMAGE_NT_SIGNATURE - && pinh->FileHeader.TimeDateStamp == idd.dwTimeStamp - && (DWORD) hmod == pinh->OptionalHeader.ImageBase) { - - /* We have a decent address in the bound IAT. */ - fun = (FARPROC) (UINT_PTR) - idd.pBoundIAT[iIAT].u1.Function; - - if (fun) { - - *iat_entry = fun; - return(fun); - } - } - } - - fun = wdl_get_procaddr_from_map(hmod, dli.dlp.szProcName); - - if (fun == 0) { - - return(0); - } - - *iat_entry = fun; - return(fun); -} - -/*******************************************************************//** -Unload a DLL that was delay loaded. This function is called by run-time. -@return TRUE is returned if the DLL is found and the IAT matches the -original one. */ -extern "C" -BOOL WINAPI -__FUnloadDelayLoadedDLL2( -/*=====================*/ - LPCSTR module_name) /*!< in: DLL name */ -{ - return(TRUE); -} - -/**************************************************************//** -Load all imports from a DLL that was specified with the /delayload linker -option. -Note: this function is called by run-time. So, it has to follow Windows call -convention. -@return S_OK if the DLL matches, otherwise ERROR_MOD_NOT_FOUND is returned. */ -extern "C" -HRESULT WINAPI -__HrLoadAllImportsForDll( -/*=====================*/ - LPCSTR module_name) /*!< in: DLL name */ -{ - PIMAGE_NT_HEADERS img; - PCImgDelayDescr pidd; - IMAGE_DATA_DIRECTORY* image_data; - LPCSTR current_module; - HRESULT ret = ERROR_MOD_NOT_FOUND; - HMODULE hmod = (HMODULE) &__ImageBase; - - img = (PIMAGE_NT_HEADERS) ((byte*) hmod - + ((PIMAGE_DOS_HEADER) hmod)->e_lfanew); - image_data = - &img->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT]; - - /* Scan the delay load IAT/INT for the DLL */ - if (image_data->Size) { - - pidd = PFromRva(image_data->VirtualAddress); - - /* Check all of the listed DLLs we want to load. */ - while (pidd->rvaDLLName) { - - current_module = PFromRva(pidd->rvaDLLName); - - if (stricmp(module_name, current_module) == 0) { - - /* Found it, break out with pidd and - current_module set appropriately */ - break; - } - - /* To the next delay import descriptor */ - pidd++; - } - - if (pidd->rvaDLLName) { - - /* Found a matching DLL, now process it. */ - FARPROC* iat_entry; - size_t count; - - iat_entry = PFromRva(pidd->rvaIAT); - count = wdl_import_count((PCImgThunkData) iat_entry); - - /* now load all the imports from the DLL */ - while (count > 0) { - - /* No need to check the return value */ - __delayLoadHelper2(pidd, iat_entry); - iat_entry++; - count--; - } - - ret = S_OK; - } - } - - return ret; -} - -/**************************************************************//** -The main function of a DLL -@return TRUE if the call succeeds */ -BOOL -WINAPI -DllMain( -/*====*/ - HINSTANCE hinstDLL, /*!< in: handle to the DLL module */ - DWORD fdwReason, /*!< Reason code that indicates why the - DLL entry-point function is being - called.*/ - LPVOID lpvReserved) /*!< in: additional parameter based on - fdwReason */ -{ - BOOL success = TRUE; - - switch (fdwReason) { - - case DLL_PROCESS_ATTACH: - success = wdl_get_external_variables(); - break; - - case DLL_PROCESS_DETACH: - wdl_cleanup(); - break; - } - - return(success); -} - -#ifndef DBUG_OFF -/**************************************************************//** -Process entry point to user function. It makes the call to _db_enter_ -in mysqld.exe. The DBUG functions are defined in my_dbug.h. */ -extern "C" UNIV_INTERN -void -_db_enter_( - const char* _func_, /*!< in: current function name */ - const char* _file_, /*!< in: current file name */ - uint _line_, /*!< in: current source line number */ - const char** _sfunc_, /*!< out: previous _func_ */ - const char** _sfile_, /*!< out: previous _file_ */ - uint* _slevel_, /*!< out: previous nesting level */ - char*** _sframep_) /*!< out: previous frame pointer */ -{ - if (wdl_db_enter_ != NULL) { - - wdl_db_enter_(_func_, _file_, _line_, _sfunc_, _sfile_, - _slevel_, _sframep_); - } -} - -/**************************************************************//** -Process exit from user function. It makes the call to _db_return_() -in the server. */ -extern "C" UNIV_INTERN -void -_db_return_( - uint _line_, /*!< in: current source line number */ - const char** _sfunc_, /*!< out: previous _func_ */ - const char** _sfile_, /*!< out: previous _file_ */ - uint* _slevel_) /*!< out: previous level */ -{ - if (wdl_db_return_ != NULL) { - - wdl_db_return_(_line_, _sfunc_, _sfile_, _slevel_); - } -} - -/**************************************************************//** -Log arguments for subsequent use. It makes the call to _db_pargs_() -in the server. */ -extern "C" UNIV_INTERN -void -_db_pargs_( - uint _line_, /*!< in: current source line number */ - const char* keyword) /*!< in: keyword for current macro */ -{ - if (wdl_db_pargs_ != NULL) { - - wdl_db_pargs_(_line_, keyword); - } -} - -/**************************************************************//** -Handle print of debug lines. It saves the text into a buffer first, -then makes the call to _db_doprnt_() in the server. The text is -truncated to the size of buffer. */ -extern "C" UNIV_INTERN -void -_db_doprnt_( - const char* format, /*!< in: the format string */ - ...) /*!< in: list of arguments */ -{ - va_list argp; - char buffer[512]; - - if (wdl_db_doprnt_ != NULL) { - - va_start(argp, format); - /* it is ok to ignore the trunction. */ - _vsnprintf(buffer, sizeof(buffer), format, argp); - wdl_db_doprnt_(buffer); - va_end(argp); - } -} - -/**************************************************************//** -Dump a string in hex. It makes the call to _db_dump_() in the server. */ -extern "C" UNIV_INTERN -void -_db_dump_( - uint _line_, /*!< in: current source line - number */ - const char* keyword, /*!< in: keyword list */ - const unsigned char* memory, /*!< in: memory to dump */ - size_t length) /*!< in: bytes to dump */ -{ - if (wdl_db_dump_ != NULL) { - - wdl_db_dump_(_line_, keyword, memory, length); - } -} - -#endif /* !DBUG_OFF */ -#endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ diff --git a/include/buf0buf.h b/include/buf0buf.h index d372894e046..7b407c95881 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -352,7 +352,7 @@ buf_page_release( mtr_t* mtr); /*!< in: mtr */ /********************************************************************//** Moves a page to the start of the buffer pool LRU list. This high-level -function can be used to prevent an important page from from slipping out of +function can be used to prevent an important page from slipping out of the buffer pool. */ UNIV_INTERN void @@ -713,15 +713,6 @@ buf_page_belongs_to_unzip_LRU( /*==========================*/ const buf_page_t* bpage) /*!< in: pointer to control block */ __attribute__((pure)); -/*********************************************************************//** -Determine the approximate LRU list position of a block. -@return LRU list position */ -UNIV_INLINE -ulint -buf_page_get_LRU_position( -/*======================*/ - const buf_page_t* bpage) /*!< in: control block */ - __attribute__((pure)); /*********************************************************************//** Gets the mutex of a block. @@ -822,14 +813,14 @@ buf_page_set_old( buf_page_t* bpage, /*!< in/out: control block */ ibool old); /*!< in: old */ /*********************************************************************//** -Determine if a block has been accessed in the buffer pool. -@return TRUE if accessed */ +Determine the time of first access of a block in the buffer pool. +@return ut_time_ms() at the time of first access, 0 if not accessed */ UNIV_INLINE -ibool +unsigned buf_page_is_accessed( /*=================*/ const buf_page_t* bpage) /*!< in: control block */ - __attribute__((pure)); + __attribute__((nonnull, pure)); /*********************************************************************//** Flag a block accessed. */ UNIV_INLINE @@ -837,7 +828,8 @@ void buf_page_set_accessed( /*==================*/ buf_page_t* bpage, /*!< in/out: control block */ - ibool accessed); /*!< in: accessed */ + ulint time_ms) /*!< in: ut_time_ms() */ + __attribute__((nonnull)); /*********************************************************************//** Gets the buf_block_t handle of a buffered file block if an uncompressed page frame exists, or NULL. @@ -1023,14 +1015,6 @@ buf_block_hash_get( /*===============*/ ulint space, /*!< in: space id */ ulint offset);/*!< in: offset of the page within space */ -/*******************************************************************//** -Increments the pool clock by one and returns its new value. Remember that -in the 32 bit version the clock wraps around at 4 billion! -@return new clock value */ -UNIV_INLINE -ulint -buf_pool_clock_tic(void); -/*====================*/ /*********************************************************************//** Gets the current length of the free list of buffer blocks. @return length of the free list */ @@ -1093,16 +1077,10 @@ struct buf_page_struct{ flushed to disk, this tells the flush_type. @see enum buf_flush */ - unsigned accessed:1; /*!< TRUE if the page has been accessed - while in the buffer pool: read-ahead - may read in pages which have not been - accessed yet; a thread is allowed to - read this for heuristic purposes - without holding any mutex or latch */ unsigned io_fix:2; /*!< type of pending I/O operation; also protected by buf_pool_mutex @see enum buf_io_fix */ - unsigned buf_fix_count:24;/*!< count of how manyfold this block + unsigned buf_fix_count:25;/*!< count of how manyfold this block is currently bufferfixed */ /* @} */ #endif /* !UNIV_HOTBACKUP */ @@ -1132,7 +1110,16 @@ struct buf_page_struct{ - BUF_BLOCK_FILE_PAGE: flush_list - BUF_BLOCK_ZIP_DIRTY: flush_list - BUF_BLOCK_ZIP_PAGE: zip_clean - - BUF_BLOCK_ZIP_FREE: zip_free[] */ + - BUF_BLOCK_ZIP_FREE: zip_free[] + + The contents of the list node + is undefined if !in_flush_list + && state == BUF_BLOCK_FILE_PAGE, + or if state is one of + BUF_BLOCK_MEMORY, + BUF_BLOCK_REMOVE_HASH or + BUF_BLOCK_READY_IN_USE. */ + #ifdef UNIV_DEBUG ibool in_flush_list; /*!< TRUE if in buf_pool->flush_list; when buf_pool_mutex is free, the @@ -1172,17 +1159,7 @@ struct buf_page_struct{ #endif /* UNIV_DEBUG */ unsigned old:1; /*!< TRUE if the block is in the old blocks in the LRU list */ - unsigned LRU_position:31;/*!< value which monotonically - decreases (or may stay - constant if old==TRUE) toward - the end of the LRU list, if - buf_pool->ulint_clock has not - wrapped around: NOTE that this - value can only be used in - heuristic algorithms, because - of the possibility of a - wrap-around! */ - unsigned freed_page_clock:32;/*!< the value of + unsigned freed_page_clock:31;/*!< the value of buf_pool->freed_page_clock when this block was the last time put to the head of the @@ -1190,6 +1167,9 @@ struct buf_page_struct{ to read this for heuristic purposes without holding any mutex or latch */ + unsigned access_time:32; /*!< time of first access, or + 0 if the block was never accessed + in the buffer pool */ /* @} */ # ifdef UNIV_DEBUG_FILE_ACCESSES ibool file_page_was_freed; @@ -1334,6 +1314,31 @@ Compute the hash fold value for blocks in buf_pool->zip_hash. */ #define BUF_POOL_ZIP_FOLD_BPAGE(b) BUF_POOL_ZIP_FOLD((buf_block_t*) (b)) /* @} */ +/** @brief The buffer pool statistics structure. */ +struct buf_pool_stat_struct{ + ulint n_page_gets; /*!< number of page gets performed; + also successful searches through + the adaptive hash index are + counted as page gets; this field + is NOT protected by the buffer + pool mutex */ + ulint n_pages_read; /*!< number read operations */ + ulint n_pages_written;/*!< number write operations */ + ulint n_pages_created;/*!< number of pages created + in the pool with no read */ + ulint n_ra_pages_read;/*!< number of pages read in + as part of read ahead */ + ulint n_ra_pages_evicted;/*!< number of read ahead + pages that are evicted without + being accessed */ + ulint n_pages_made_young; /*!< number of pages made young, in + calls to buf_LRU_make_block_young() */ + ulint n_pages_not_made_young; /*!< number of pages not made + young because the first access + was not long enough ago, in + buf_page_peek_if_too_old() */ +}; + /** @brief The buffer pool structure. NOTE! The definition appears here only for other modules of this @@ -1358,28 +1363,16 @@ struct buf_pool_struct{ ulint n_pend_reads; /*!< number of pending read operations */ ulint n_pend_unzip; /*!< number of pending decompressions */ - time_t last_printout_time; /*!< when buf_print was last time + time_t last_printout_time; + /*!< when buf_print_io was last time called */ - ulint n_pages_read; /*!< number read operations */ - ulint n_pages_written;/*!< number write operations */ - ulint n_pages_created;/*!< number of pages created - in the pool with no read */ - ulint n_page_gets; /*!< number of page gets performed; - also successful searches through - the adaptive hash index are - counted as page gets; this field - is NOT protected by the buffer - pool mutex */ - ulint n_page_gets_old;/*!< n_page_gets when buf_print was - last time called: used to calculate - hit rate */ - ulint n_pages_read_old;/*!< n_pages_read when buf_print was - last time called */ - ulint n_pages_written_old;/*!< number write operations */ - ulint n_pages_created_old;/*!< number of pages created in - the pool with no read */ + buf_pool_stat_t stat; /*!< current statistics */ + buf_pool_stat_t old_stat; /*!< old statistics */ + /* @} */ + /** @name Page flushing algorithm fields */ + /* @{ */ UT_LIST_BASE_NODE_T(buf_page_t) flush_list; @@ -1408,10 +1401,6 @@ struct buf_pool_struct{ This tree is relevant only in recovery and is set to NULL once the recovery is over. */ - ulint ulint_clock; /*!< a sequence number used to count - time. NOTE! This counter wraps - around at 4 billion (if ulint == - 32 bits)! */ ulint freed_page_clock;/*!< a sequence number used to count the number of buffer blocks removed from the end of @@ -1446,9 +1435,11 @@ struct buf_pool_struct{ block list */ UT_LIST_BASE_NODE_T(buf_page_t) LRU; /*!< base node of the LRU list */ - buf_page_t* LRU_old; /*!< pointer to the about 3/8 oldest - blocks in the LRU list; NULL if LRU - length less than BUF_LRU_OLD_MIN_LEN; + buf_page_t* LRU_old; /*!< pointer to the about + buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV + oldest blocks in the LRU list; + NULL if LRU length less than + BUF_LRU_OLD_MIN_LEN; NOTE: when LRU_old != NULL, its length should always equal LRU_old_len */ ulint LRU_old_len; /*!< length of the LRU list from diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 17064342116..8b1f904a090 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -72,9 +72,30 @@ buf_page_peek_if_too_old( /*=====================*/ const buf_page_t* bpage) /*!< in: block to make younger */ { - return(buf_pool->freed_page_clock - >= buf_page_get_freed_page_clock(bpage) - + 1 + (buf_pool->curr_size / 4)); + if (UNIV_UNLIKELY(buf_pool->freed_page_clock == 0)) { + /* If eviction has not started yet, do not update the + statistics or move blocks in the LRU list. This is + either the warm-up phase or an in-memory workload. */ + return(FALSE); + } else if (buf_LRU_old_threshold_ms && bpage->old) { + unsigned access_time = buf_page_is_accessed(bpage); + + if (access_time > 0 + && (ut_time_ms() - access_time) + >= buf_LRU_old_threshold_ms) { + return(TRUE); + } + + buf_pool->stat.n_pages_not_made_young++; + return(FALSE); + } else { + /* FIXME: bpage->freed_page_clock is 31 bits */ + return((buf_pool->freed_page_clock & ((1UL << 31) - 1)) + > ((ulint) bpage->freed_page_clock + + (buf_pool->curr_size + * (BUF_LRU_OLD_RATIO_DIV - buf_LRU_old_ratio) + / (BUF_LRU_OLD_RATIO_DIV * 4)))); + } } /*********************************************************************//** @@ -118,22 +139,6 @@ buf_pool_get_oldest_modification(void) return(lsn); } - -/*******************************************************************//** -Increments the buf_pool clock by one and returns its new value. Remember -that in the 32 bit version the clock wraps around at 4 billion! -@return new clock value */ -UNIV_INLINE -ulint -buf_pool_clock_tic(void) -/*====================*/ -{ - ut_ad(buf_pool_mutex_own()); - - buf_pool->ulint_clock++; - - return(buf_pool->ulint_clock); -} #endif /* !UNIV_HOTBACKUP */ /*********************************************************************//** @@ -279,21 +284,6 @@ buf_page_belongs_to_unzip_LRU( && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); } -/*********************************************************************//** -Determine the approximate LRU list position of a block. -@return LRU list position */ -UNIV_INLINE -ulint -buf_page_get_LRU_position( -/*======================*/ - const buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - - return(bpage->LRU_position); -} - /*********************************************************************//** Gets the mutex of a block. @return pointer to mutex protecting bpage */ @@ -487,17 +477,17 @@ buf_page_set_old( } /*********************************************************************//** -Determine if a block has been accessed in the buffer pool. -@return TRUE if accessed */ +Determine the time of first access of a block in the buffer pool. +@return ut_time_ms() at the time of first access, 0 if not accessed */ UNIV_INLINE -ibool +unsigned buf_page_is_accessed( /*=================*/ const buf_page_t* bpage) /*!< in: control block */ { ut_ad(buf_page_in_file(bpage)); - return(bpage->accessed); + return(bpage->access_time); } /*********************************************************************//** @@ -507,12 +497,15 @@ void buf_page_set_accessed( /*==================*/ buf_page_t* bpage, /*!< in/out: control block */ - ibool accessed) /*!< in: accessed */ + ulint time_ms) /*!< in: ut_time_ms() */ { ut_a(buf_page_in_file(bpage)); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(buf_pool_mutex_own()); - bpage->accessed = accessed; + if (!bpage->access_time) { + /* Make this the time of the first access. */ + bpage->access_time = time_ms; + } } /*********************************************************************//** diff --git a/include/buf0lru.h b/include/buf0lru.h index 463aca0982c..009430af35b 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -69,7 +69,7 @@ These are low-level functions #########################################################################*/ /** Minimum LRU list length for which the LRU_old pointer is defined */ -#define BUF_LRU_OLD_MIN_LEN 80 +#define BUF_LRU_OLD_MIN_LEN 512 /* 8 megabytes of 16k pages */ /** Maximum LRU list search length in buf_flush_LRU_recommendation() */ #define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) @@ -84,15 +84,6 @@ void buf_LRU_invalidate_tablespace( /*==========================*/ ulint id); /*!< in: space id */ -/******************************************************************//** -Gets the minimum LRU_position field for the blocks in an initial segment -(determined by BUF_LRU_INITIAL_RATIO) of the LRU list. The limit is not -guaranteed to be precise, because the ulint_clock may wrap around. -@return the limit; zero if could not determine it */ -UNIV_INTERN -ulint -buf_LRU_get_recent_limit(void); -/*==========================*/ /********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN @@ -201,6 +192,18 @@ void buf_LRU_make_block_old( /*===================*/ buf_page_t* bpage); /*!< in: control block */ +/**********************************************************************//** +Updates buf_LRU_old_ratio. +@return updated old_pct */ +UNIV_INTERN +uint +buf_LRU_old_ratio_update( +/*=====================*/ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust);/*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_LRU_old_ratio + during the initialization of InnoDB */ /********************************************************************//** Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ @@ -227,6 +230,35 @@ buf_LRU_print(void); /*===============*/ #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ +/** @name Heuristics for detecting index scan @{ */ +/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for +"old" blocks. Protected by buf_pool_mutex. */ +extern uint buf_LRU_old_ratio; +/** The denominator of buf_LRU_old_ratio. */ +#define BUF_LRU_OLD_RATIO_DIV 1024 +/** Maximum value of buf_LRU_old_ratio. +@see buf_LRU_old_adjust_len +@see buf_LRU_old_ratio_update */ +#define BUF_LRU_OLD_RATIO_MAX BUF_LRU_OLD_RATIO_DIV +/** Minimum value of buf_LRU_old_ratio. +@see buf_LRU_old_adjust_len +@see buf_LRU_old_ratio_update +The minimum must exceed +(BUF_LRU_OLD_TOLERANCE + 5) * BUF_LRU_OLD_RATIO_DIV / BUF_LRU_OLD_MIN_LEN. */ +#define BUF_LRU_OLD_RATIO_MIN 51 + +#if BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX +# error "BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX" +#endif +#if BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV +# error "BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV" +#endif + +/** Move blocks to "new" LRU list only if the first access was at +least this many milliseconds ago. Not protected by any mutex or latch. */ +extern uint buf_LRU_old_threshold_ms; +/* @} */ + /** @brief Statistics for selecting the LRU list for eviction. These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O diff --git a/include/buf0rea.h b/include/buf0rea.h index b4d25e6fde0..093750623d6 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -33,12 +33,10 @@ Created 11/5/1995 Heikki Tuuri High-level function which reads a page asynchronously from a file to the buffer buf_pool if it is not already there. Sets the io_fix flag and sets an exclusive lock on the buffer frame. The flag is cleared and the x-lock -released by the i/o-handler thread. Does a random read-ahead if it seems -sensible. -@return number of page read requests issued: this can be greater than -1 if read-ahead occurred */ +released by the i/o-handler thread. +@return TRUE if page has been read in, FALSE in case of failure */ UNIV_INTERN -ulint +ibool buf_read_page( /*==========*/ ulint space, /*!< in: space id */ @@ -48,7 +46,7 @@ buf_read_page( Applies linear read-ahead if in the buf_pool the page is a border page of a linear read-ahead area and all the pages in the area have been accessed. Does not read any page if the read-ahead mechanism is not activated. Note -that the the algorithm looks at the 'natural' adjacent successor and +that the algorithm looks at the 'natural' adjacent successor and predecessor of the page, which on the leaf level of a B-tree are the next and previous page in the chain of leaves. To know these, the page specified in (space, offset) must already be present in the buf_pool. Thus, the diff --git a/include/buf0types.h b/include/buf0types.h index e7167d716a0..bfae6477135 100644 --- a/include/buf0types.h +++ b/include/buf0types.h @@ -34,6 +34,8 @@ typedef struct buf_block_struct buf_block_t; typedef struct buf_chunk_struct buf_chunk_t; /** Buffer pool comprising buf_chunk_t */ typedef struct buf_pool_struct buf_pool_t; +/** Buffer pool statistics struct */ +typedef struct buf_pool_stat_struct buf_pool_stat_t; /** A buffer frame. @see page_t */ typedef byte buf_frame_t; diff --git a/include/dict0crea.h b/include/dict0crea.h index 3107d771d88..cce1246b789 100644 --- a/include/dict0crea.h +++ b/include/dict0crea.h @@ -110,7 +110,7 @@ dict_create_or_check_foreign_constraint_tables(void); Adds foreign key definitions to data dictionary tables in the database. We look at table->foreign_list, and also generate names to constraints that were not named by the user. A generated constraint has a name of the format -databasename/tablename_ibfk_, where the numbers start from 1, and are +databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are given locally for this table, that is, the number is not global, as in the old format constraints < 4.0.18 it used to be. @return error code or DB_SUCCESS */ diff --git a/include/dict0dict.h b/include/dict0dict.h index b2029699e51..d425241a3a2 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -712,7 +712,7 @@ dict_index_find_on_id_low( dulint id); /*!< in: index id */ /**********************************************************************//** Adds an index to the dictionary cache. -@return DB_SUCCESS or error code */ +@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ UNIV_INTERN ulint dict_index_add_to_cache( diff --git a/include/dict0mem.h b/include/dict0mem.h index 1ee906fbf57..2d001111938 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -317,7 +317,7 @@ struct dict_foreign_struct{ char* id; /*!< id of the constraint as a null-terminated string */ unsigned n_fields:10; /*!< number of indexes' first fields - for which the the foreign key + for which the foreign key constraint is defined: we allow the indexes to contain more fields than mentioned in the constraint, as long diff --git a/include/fsp0fsp.h b/include/fsp0fsp.h index 5f7dc58eedc..7abd3914eda 100644 --- a/include/fsp0fsp.h +++ b/include/fsp0fsp.h @@ -42,7 +42,7 @@ fsp_init(void); /*==========*/ /**********************************************************************//** Gets the current free limit of the system tablespace. The free limit -means the place of the first page which has never been put to the the +means the place of the first page which has never been put to the free list for allocation. The space above that address is initialized to zero. Sets also the global variable log_fsp_current_free_limit. @return free limit in megabytes */ diff --git a/include/lock0lock.h b/include/lock0lock.h index fa5db831d4f..aeabe39e1a9 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -630,6 +630,14 @@ lock_number_of_rows_locked( /*=======================*/ trx_t* trx); /*!< in: transaction */ /*******************************************************************//** +Check if a transaction holds any autoinc locks. +@return TRUE if the transaction holds any AUTOINC locks. */ +UNIV_INTERN +ibool +lock_trx_holds_autoinc_locks( +/*=========================*/ + const trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** Release all the transaction's autoinc locks. */ UNIV_INTERN void diff --git a/include/log0log.h b/include/log0log.h index 059f548a085..299b4a05b40 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -118,10 +118,9 @@ UNIV_INLINE ib_uint64_t log_reserve_and_write_fast( /*=======================*/ - byte* str, /*!< in: string */ + const void* str, /*!< in: string */ ulint len, /*!< in: string length */ - ib_uint64_t* start_lsn,/*!< out: start lsn of the log record */ - ibool* success);/*!< out: TRUE if success */ + ib_uint64_t* start_lsn);/*!< out: start lsn of the log record */ /***********************************************************************//** Releases the log mutex. */ UNIV_INLINE @@ -283,7 +282,7 @@ log_make_checkpoint_at( later lsn, if IB_ULONGLONG_MAX, makes a checkpoint at the latest lsn */ ibool write_always); /*!< in: the function normally checks if - the the new checkpoint would have a + the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; by setting this parameter TRUE, a diff --git a/include/log0log.ic b/include/log0log.ic index d071985982a..36d151a3064 100644 --- a/include/log0log.ic +++ b/include/log0log.ic @@ -27,6 +27,7 @@ Created 12/9/1995 Heikki Tuuri #include "mach0data.h" #include "mtr0mtr.h" +#ifdef UNIV_LOG_DEBUG /******************************************************//** Checks by parsing that the catenated log segment for a single mtr is consistent. */ @@ -34,11 +35,12 @@ UNIV_INTERN ibool log_check_log_recs( /*===============*/ - byte* buf, /*!< in: pointer to the start of + const byte* buf, /*!< in: pointer to the start of the log segment in the log_sys->buf log buffer */ ulint len, /*!< in: segment length in bytes */ ib_uint64_t buf_start_lsn); /*!< in: buffer start lsn */ +#endif /* UNIV_LOG_DEBUG */ /************************************************************//** Gets a log block flush bit. @@ -305,55 +307,76 @@ UNIV_INLINE ib_uint64_t log_reserve_and_write_fast( /*=======================*/ - byte* str, /*!< in: string */ + const void* str, /*!< in: string */ ulint len, /*!< in: string length */ - ib_uint64_t* start_lsn,/*!< out: start lsn of the log record */ - ibool* success)/*!< out: TRUE if success */ + ib_uint64_t* start_lsn)/*!< out: start lsn of the log record */ { - log_t* log = log_sys; ulint data_len; - ib_uint64_t lsn; +#ifdef UNIV_LOG_LSN_DEBUG + /* length of the LSN pseudo-record */ + ulint lsn_len = 1 + + mach_get_compressed_size(log_sys->lsn >> 32) + + mach_get_compressed_size(log_sys->lsn & 0xFFFFFFFFUL); +#endif /* UNIV_LOG_LSN_DEBUG */ - *success = TRUE; + mutex_enter(&log_sys->mutex); - mutex_enter(&(log->mutex)); - - data_len = len + log->buf_free % OS_FILE_LOG_BLOCK_SIZE; + data_len = len +#ifdef UNIV_LOG_LSN_DEBUG + + lsn_len +#endif /* UNIV_LOG_LSN_DEBUG */ + + log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE; if (data_len >= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { /* The string does not fit within the current log block or the log block would become full */ - *success = FALSE; - - mutex_exit(&(log->mutex)); + mutex_exit(&log_sys->mutex); return(0); } - *start_lsn = log->lsn; + *start_lsn = log_sys->lsn; - ut_memcpy(log->buf + log->buf_free, str, len); +#ifdef UNIV_LOG_LSN_DEBUG + { + /* Write the LSN pseudo-record. */ + byte* b = &log_sys->buf[log_sys->buf_free]; + *b++ = MLOG_LSN | (MLOG_SINGLE_REC_FLAG & *(const byte*) str); + /* Write the LSN in two parts, + as a pseudo page number and space id. */ + b += mach_write_compressed(b, log_sys->lsn >> 32); + b += mach_write_compressed(b, log_sys->lsn & 0xFFFFFFFFUL); + ut_a(b - lsn_len == &log_sys->buf[log_sys->buf_free]); - log_block_set_data_len((byte*) ut_align_down(log->buf + log->buf_free, + memcpy(b, str, len); + len += lsn_len; + } +#else /* UNIV_LOG_LSN_DEBUG */ + memcpy(log_sys->buf + log_sys->buf_free, str, len); +#endif /* UNIV_LOG_LSN_DEBUG */ + + log_block_set_data_len((byte*) ut_align_down(log_sys->buf + + log_sys->buf_free, OS_FILE_LOG_BLOCK_SIZE), data_len); #ifdef UNIV_LOG_DEBUG - log->old_buf_free = log->buf_free; - log->old_lsn = log->lsn; + log_sys->old_buf_free = log_sys->buf_free; + log_sys->old_lsn = log_sys->lsn; #endif - log->buf_free += len; + log_sys->buf_free += len; - ut_ad(log->buf_free <= log->buf_size); + ut_ad(log_sys->buf_free <= log_sys->buf_size); - lsn = log->lsn += len; + log_sys->lsn += len; #ifdef UNIV_LOG_DEBUG - log_check_log_recs(log->buf + log->old_buf_free, - log->buf_free - log->old_buf_free, log->old_lsn); + log_check_log_recs(log_sys->buf + log_sys->old_buf_free, + log_sys->buf_free - log_sys->old_buf_free, + log_sys->old_lsn); #endif - return(lsn); + return(log_sys->lsn); } /***********************************************************************//** diff --git a/include/mtr0mtr.h b/include/mtr0mtr.h index 69a2c03f4cb..bc3f1951be9 100644 --- a/include/mtr0mtr.h +++ b/include/mtr0mtr.h @@ -106,6 +106,9 @@ For 1 - 8 bytes, the flag value must give the length also! @{ */ #define MLOG_IBUF_BITMAP_INIT ((byte)27) /*!< initialize an ibuf bitmap page */ /*#define MLOG_FULL_PAGE ((byte)28) full contents of a page */ +#ifdef UNIV_LOG_LSN_DEBUG +# define MLOG_LSN ((byte)28) /* current LSN */ +#endif #define MLOG_INIT_FILE_PAGE ((byte)29) /*!< this means that a file page is taken into use and the prior @@ -118,7 +121,7 @@ For 1 - 8 bytes, the flag value must give the length also! @{ */ #define MLOG_WRITE_STRING ((byte)30) /*!< write a string to a page */ #define MLOG_MULTI_REC_END ((byte)31) /*!< if a single mtr writes - log records for several pages, + several log records, this log record ends the sequence of these records */ #define MLOG_DUMMY_RECORD ((byte)32) /*!< dummy log record used to diff --git a/include/os0sync.h b/include/os0sync.h index 0e0b32e7036..0c22162b900 100644 --- a/include/os0sync.h +++ b/include/os0sync.h @@ -285,44 +285,74 @@ os_fast_mutex_free( /**********************************************************//** Atomic compare-and-swap and increment for InnoDB. */ -#ifdef HAVE_GCC_ATOMIC_BUILTINS +#if defined(HAVE_IB_GCC_ATOMIC_BUILTINS) + +#define HAVE_ATOMIC_BUILTINS + /**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ + # define os_compare_and_swap(ptr, old_val, new_val) \ __sync_bool_compare_and_swap(ptr, old_val, new_val) + # define os_compare_and_swap_ulint(ptr, old_val, new_val) \ os_compare_and_swap(ptr, old_val, new_val) + # define os_compare_and_swap_lint(ptr, old_val, new_val) \ os_compare_and_swap(ptr, old_val, new_val) -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + +# ifdef HAVE_IB_ATOMIC_PTHREAD_T_GCC +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ os_compare_and_swap(ptr, old_val, new_val) +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use GCC atomic builtins" +# else /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes use GCC atomic builtins, rw_locks do not" +# endif /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ + /**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ + # define os_atomic_increment(ptr, amount) \ __sync_add_and_fetch(ptr, amount) + # define os_atomic_increment_lint(ptr, amount) \ os_atomic_increment(ptr, amount) + # define os_atomic_increment_ulint(ptr, amount) \ os_atomic_increment(ptr, amount) + /**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val */ + # define os_atomic_test_and_set_byte(ptr, new_val) \ __sync_lock_test_and_set(ptr, new_val) + +#elif defined(HAVE_IB_SOLARIS_ATOMICS) + +#define HAVE_ATOMIC_BUILTINS + /* If not compiling with GCC or GCC doesn't support the atomic intrinsics and running on Solaris >= 10 use Solaris atomics */ -#elif defined(HAVE_SOLARIS_ATOMICS) + #include + /**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ + # define os_compare_and_swap_ulint(ptr, old_val, new_val) \ (atomic_cas_ulong(ptr, old_val, new_val) == old_val) + # define os_compare_and_swap_lint(ptr, old_val, new_val) \ ((lint)atomic_cas_ulong((ulong_t*) ptr, old_val, new_val) == old_val) -# ifdef INNODB_RW_LOCKS_USE_ATOMICS -# if SIZEOF_PTHREAD_T == 4 + +# ifdef HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS +# if SIZEOF_PTHREAD_T == 4 # define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ ((pthread_t)atomic_cas_32(ptr, old_val, new_val) == old_val) # elif SIZEOF_PTHREAD_T == 8 @@ -331,21 +361,35 @@ compare to, new_val is the value to swap in. */ # else # error "SIZEOF_PTHREAD_T != 4 or 8" # endif /* SIZEOF_PTHREAD_T CHECK */ -# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use Solaris atomic functions" +# else /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes use Solaris atomic functions, rw_locks do not" +# endif /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ /**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ + # define os_atomic_increment_lint(ptr, amount) \ atomic_add_long_nv((ulong_t*) ptr, amount) + # define os_atomic_increment_ulint(ptr, amount) \ atomic_add_long_nv(ptr, amount) + /**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val */ + # define os_atomic_test_and_set_byte(ptr, new_val) \ atomic_swap_uchar(ptr, new_val) -/* On Windows, use Windows atomics / interlocked */ + #elif defined(HAVE_WINDOWS_ATOMICS) + +#define HAVE_ATOMIC_BUILTINS + +/* On Windows, use Windows atomics / interlocked */ # ifdef _WIN64 # define win_cmp_and_xchg InterlockedCompareExchange64 # define win_xchg_and_add InterlockedExchangeAdd64 @@ -353,31 +397,46 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */ # define win_cmp_and_xchg InterlockedCompareExchange # define win_xchg_and_add InterlockedExchangeAdd # endif + /**********************************************************//** Returns true if swapped, ptr is pointer to target, old_val is value to compare to, new_val is the value to swap in. */ + # define os_compare_and_swap_ulint(ptr, old_val, new_val) \ (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) + # define os_compare_and_swap_lint(ptr, old_val, new_val) \ (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) -# ifdef INNODB_RW_LOCKS_USE_ATOMICS -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + +/* windows thread objects can always be passed to windows atomic functions */ +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ (InterlockedCompareExchange(ptr, new_val, old_val) == old_val) -# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use Windows interlocked functions" + /**********************************************************//** Returns the resulting value, ptr is pointer to target, amount is the amount of increment. */ + # define os_atomic_increment_lint(ptr, amount) \ (win_xchg_and_add(ptr, amount) + amount) + # define os_atomic_increment_ulint(ptr, amount) \ ((ulint) (win_xchg_and_add(ptr, amount) + amount)) + /**********************************************************//** Returns the old value of *ptr, atomically sets *ptr to new_val. InterlockedExchange() operates on LONG, and the LONG will be clobbered */ + # define os_atomic_test_and_set_byte(ptr, new_val) \ ((byte) InterlockedExchange(ptr, new_val)) -#endif /* HAVE_GCC_ATOMIC_BUILTINS */ + +#else +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use InnoDB's own implementation" +#endif #ifndef UNIV_NONINL #include "os0sync.ic" diff --git a/include/rem0cmp.h b/include/rem0cmp.h index d30d9f86abe..072f74267ea 100644 --- a/include/rem0cmp.h +++ b/include/rem0cmp.h @@ -89,7 +89,7 @@ cmp_dfield_dfield( /*************************************************************//** This function is used to compare a data tuple to a physical record. Only dtuple->n_fields_cmp first fields are taken into account for -the the data tuple! If we denote by n = n_fields_cmp, then rec must +the data tuple! If we denote by n = n_fields_cmp, then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be diff --git a/include/rem0rec.ic b/include/rem0rec.ic index 9fe736f9b0b..8e5bd9a7fcd 100644 --- a/include/rem0rec.ic +++ b/include/rem0rec.ic @@ -65,7 +65,7 @@ most significant bytes and bits are written below less significant. - offset_of_this_record) mod 64Ki, where mod is the modulo as a non-negative number; - we can calculate the the offset of the next + we can calculate the offset of the next record with the formula: relative_offset + offset_of_this_record mod UNIV_PAGE_SIZE diff --git a/include/row0mysql.h b/include/row0mysql.h index 97028622505..6d5d195172e 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -177,7 +177,9 @@ row_update_prebuilt_trx( in MySQL handle */ trx_t* trx); /*!< in: transaction handle */ /*********************************************************************//** -Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ +Unlocks AUTO_INC type locks that were possibly reserved by a trx. This +function should be called at the the end of an SQL statement, by the +connection thread that owns the transaction (trx->mysql_thd). */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( diff --git a/include/srv0srv.h b/include/srv0srv.h index b83618598e1..e1642ce2e66 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -320,10 +320,6 @@ extern ulint srv_buf_pool_flushed; /** Number of buffer pool reads that led to the reading of a disk page */ extern ulint srv_buf_pool_reads; -/** Number of sequential read-aheads */ -extern ulint srv_read_ahead_seq; -/** Number of random read-aheads */ -extern ulint srv_read_ahead_rnd; /** Status variables to be passed to MySQL */ typedef struct export_var_struct export_struc; @@ -610,13 +606,13 @@ struct export_var_struct{ #ifdef UNIV_DEBUG ulint innodb_buffer_pool_pages_latched; /*!< Latched pages */ #endif /* UNIV_DEBUG */ - ulint innodb_buffer_pool_read_requests; /*!< buf_pool->n_page_gets */ + ulint innodb_buffer_pool_read_requests; /*!< buf_pool->stat.n_page_gets */ ulint innodb_buffer_pool_reads; /*!< srv_buf_pool_reads */ ulint innodb_buffer_pool_wait_free; /*!< srv_buf_pool_wait_free */ ulint innodb_buffer_pool_pages_flushed; /*!< srv_buf_pool_flushed */ ulint innodb_buffer_pool_write_requests;/*!< srv_buf_pool_write_requests */ - ulint innodb_buffer_pool_read_ahead_seq;/*!< srv_read_ahead_seq */ - ulint innodb_buffer_pool_read_ahead_rnd;/*!< srv_read_ahead_rnd */ + ulint innodb_buffer_pool_read_ahead; /*!< srv_read_ahead */ + ulint innodb_buffer_pool_read_ahead_evicted;/*!< srv_read_ahead evicted*/ ulint innodb_dblwr_pages_written; /*!< srv_dblwr_pages_written */ ulint innodb_dblwr_writes; /*!< srv_dblwr_writes */ ibool innodb_have_atomic_builtins; /*!< HAVE_ATOMIC_BUILTINS */ @@ -628,9 +624,9 @@ struct export_var_struct{ ulint innodb_os_log_pending_writes; /*!< srv_os_log_pending_writes */ ulint innodb_os_log_pending_fsyncs; /*!< fil_n_pending_log_flushes */ ulint innodb_page_size; /*!< UNIV_PAGE_SIZE */ - ulint innodb_pages_created; /*!< buf_pool->n_pages_created */ - ulint innodb_pages_read; /*!< buf_pool->n_pages_read */ - ulint innodb_pages_written; /*!< buf_pool->n_pages_written */ + ulint innodb_pages_created; /*!< buf_pool->stat.n_pages_created */ + ulint innodb_pages_read; /*!< buf_pool->stat.n_pages_read */ + ulint innodb_pages_written; /*!< buf_pool->stat.n_pages_written */ ulint innodb_row_lock_waits; /*!< srv_n_lock_wait_count */ ulint innodb_row_lock_current_waits; /*!< srv_n_lock_wait_current_count */ ib_int64_t innodb_row_lock_time; /*!< srv_n_lock_wait_time diff --git a/include/trx0rec.h b/include/trx0rec.h index 0ae82c33afe..a6e56e963c6 100644 --- a/include/trx0rec.h +++ b/include/trx0rec.h @@ -44,8 +44,8 @@ UNIV_INLINE trx_undo_rec_t* trx_undo_rec_copy( /*==============*/ - trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - mem_heap_t* heap); /*!< in: heap where copied */ + const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap); /*!< in: heap where copied */ /**********************************************************************//** Reads the undo log record type. @return record type */ diff --git a/include/trx0rec.ic b/include/trx0rec.ic index 037b5d4f6cf..e7e41d6d9f6 100644 --- a/include/trx0rec.ic +++ b/include/trx0rec.ic @@ -100,8 +100,8 @@ UNIV_INLINE trx_undo_rec_t* trx_undo_rec_copy( /*==============*/ - trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - mem_heap_t* heap) /*!< in: heap where copied */ + const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap) /*!< in: heap where copied */ { ulint len; diff --git a/include/trx0roll.h b/include/trx0roll.h index ddca9e9e4ef..1dee5655c8c 100644 --- a/include/trx0roll.h +++ b/include/trx0roll.h @@ -133,6 +133,17 @@ trx_rollback( Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. */ +UNIV_INTERN +void +trx_rollback_or_clean_recovered( +/*============================*/ + ibool all); /*!< in: FALSE=roll back dictionary transactions; + TRUE=roll back all non-PREPARED transactions */ +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the transaction was not yet committed, then we roll it back. Note: this is done in a background thread. @return a dummy parameter */ @@ -208,9 +219,9 @@ int trx_general_rollback_for_mysql( /*===========================*/ trx_t* trx, /*!< in: transaction handle */ - ibool partial,/*!< in: TRUE if partial rollback requested */ trx_savept_t* savept);/*!< in: pointer to savepoint undo number, if - partial rollback requested */ + partial rollback requested, or NULL for + complete rollback */ /*******************************************************************//** Rolls back a transaction back to a named savepoint. Modifications after the savepoint are undone but InnoDB does NOT release the corresponding locks diff --git a/include/trx0sys.ic b/include/trx0sys.ic index 1c7c732751b..820d31d0692 100644 --- a/include/trx0sys.ic +++ b/include/trx0sys.ic @@ -34,11 +34,11 @@ typedef byte trx_sysf_rseg_t; /* Rollback segment specification slot offsets */ /*-------------------------------------------------------------*/ -#define TRX_SYS_RSEG_SPACE 0 /* space where the the segment +#define TRX_SYS_RSEG_SPACE 0 /* space where the segment header is placed; starting with MySQL/InnoDB 5.1.7, this is UNIV_UNDEFINED if the slot is unused */ -#define TRX_SYS_RSEG_PAGE_NO 4 /* page number where the the segment +#define TRX_SYS_RSEG_PAGE_NO 4 /* page number where the segment header is placed; this is FIL_NULL if the slot is unused */ /*-------------------------------------------------------------*/ diff --git a/include/trx0trx.h b/include/trx0trx.h index 681feeaec94..d2a59740c93 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -179,7 +179,7 @@ trx_commit_off_kernel( /****************************************************************//** Cleans up a transaction at database startup. The cleanup is needed if the transaction already got to the middle of a commit when the database -crashed, andf we cannot roll it back. */ +crashed, and we cannot roll it back. */ UNIV_INTERN void trx_cleanup_at_db_startup( @@ -360,7 +360,7 @@ enum trx_dict_op { operation modes in crash recovery. */ TRX_DICT_OP_TABLE = 1, /** The transaction is creating or dropping an index in an - existing table. In crash recovery, the the data dictionary + existing table. In crash recovery, the data dictionary must be locked, but the table must not be dropped. */ TRX_DICT_OP_INDEX = 2 }; diff --git a/include/univ.i b/include/univ.i index 86df984a4e5..d773c7f6487 100644 --- a/include/univ.i +++ b/include/univ.i @@ -46,11 +46,11 @@ Created 1/20/1994 Heikki Tuuri #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 -#define INNODB_VERSION_BUGFIX 4 +#define INNODB_VERSION_BUGFIX 5 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; -calculated in in make_version_string() in sql/sql_show.cc like this: +calculated in make_version_string() in sql/sql_show.cc like this: "version >> 8" . "version & 0xff" because the version is shown with only one dot, we skip the last component, i.e. we show M.N.P as M.N */ @@ -78,17 +78,25 @@ the virtual method table (vtable) in GCC 3. */ # define ha_innobase ha_innodb #endif /* MYSQL_DYNAMIC_PLUGIN */ +/* if any of the following macros is defined at this point this means +that the code from the "right" plug.in was executed and we do not +need to include ut0auxconf.h which would either define the same macros +or will be empty */ +#if !defined(HAVE_IB_GCC_ATOMIC_BUILTINS) \ + && !defined(HAVE_IB_ATOMIC_PTHREAD_T_GCC) \ + && !defined(HAVE_IB_SOLARIS_ATOMICS) \ + && !defined(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) \ + && !defined(SIZEOF_PTHREAD_T) \ + && !defined(HAVE_IB_PAUSE_INSTRUCTION) +# include "ut0auxconf.h" +#endif + #if (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)) && !defined(MYSQL_SERVER) && !defined(__WIN__) # undef __WIN__ # define __WIN__ # include -# if defined(HAVE_WINDOWS_ATOMICS) -/* If atomics are defined we use them in InnoDB mutex implementation */ -# define HAVE_ATOMIC_BUILTINS -# endif /* HAVE_WINDOWS_ATOMICS */ - # ifdef _NT_ # define __NT__ # endif @@ -111,45 +119,17 @@ if we are compiling on Windows. */ # include /* mmap() for os0proc.c */ # endif -# undef PACKAGE -# undef VERSION - /* Include the header file generated by GNU autoconf */ # ifndef __WIN__ -#ifndef UNIV_HOTBACKUP -# include "config.h" -#endif /* UNIV_HOTBACKUP */ +# ifndef UNIV_HOTBACKUP +# include "config.h" +# endif /* UNIV_HOTBACKUP */ # endif # ifdef HAVE_SCHED_H # include # endif -# if defined(HAVE_GCC_ATOMIC_BUILTINS) || defined(HAVE_SOLARIS_ATOMICS) \ - || defined(HAVE_WINDOWS_ATOMICS) -/* If atomics are defined we use them in InnoDB mutex implementation */ -# define HAVE_ATOMIC_BUILTINS -# endif /* (HAVE_GCC_ATOMIC_BUILTINS) || (HAVE_SOLARIS_ATOMICS) - || (HAVE_WINDOWS_ATOMICS) */ - -/* For InnoDB rw_locks to work with atomics we need the thread_id -to be no more than machine word wide. The following enables using -atomics for InnoDB rw_locks where these conditions are met. */ -#ifdef HAVE_ATOMIC_BUILTINS -/* if HAVE_ATOMIC_PTHREAD_T is defined at this point that means that -the code from plug.in has defined it and we do not need to include -ut0auxconf.h which would either define HAVE_ATOMIC_PTHREAD_T or will -be empty */ -# ifndef HAVE_ATOMIC_PTHREAD_T -# include "ut0auxconf.h" -# endif /* HAVE_ATOMIC_PTHREAD_T */ -/* now HAVE_ATOMIC_PTHREAD_T is eventually defined either by plug.in or -from Makefile.in->ut0auxconf.h */ -# ifdef HAVE_ATOMIC_PTHREAD_T -# define INNODB_RW_LOCKS_USE_ATOMICS -# endif /* HAVE_ATOMIC_PTHREAD_T */ -#endif /* HAVE_ATOMIC_BUILTINS */ - /* We only try to do explicit inlining of functions with gcc and Sun Studio */ @@ -196,12 +176,18 @@ command. Not tested on Windows. */ debugging without UNIV_DEBUG */ #define UNIV_DEBUG /* Enable ut_ad() assertions and disable UNIV_INLINE */ +#define UNIV_DEBUG_LOCK_VALIDATE /* Enable + ut_ad(lock_rec_validate_page()) + assertions. */ #define UNIV_DEBUG_FILE_ACCESSES /* Debug .ibd file access (field file_page_was_freed in buf_page_t) */ #define UNIV_LRU_DEBUG /* debug the buffer pool LRU */ #define UNIV_HASH_DEBUG /* debug HASH_ macros */ #define UNIV_LIST_DEBUG /* debug UT_LIST_ macros */ +#define UNIV_LOG_LSN_DEBUG /* write LSN to the redo log; +this will break redo log file compatibility, but it may be useful when +debugging redo log application problems. */ #define UNIV_MEM_DEBUG /* detect memory leaks etc */ #define UNIV_IBUF_DEBUG /* debug the insert buffer */ #define UNIV_IBUF_COUNT_DEBUG /* debug the insert buffer; @@ -254,7 +240,7 @@ by one. */ /* Linkage specifier for non-static InnoDB symbols (variables and functions) that are only referenced from within InnoDB, not from MySQL */ -#if defined(__GNUC__) && (__GNUC__ >= 4) +#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(UNIV_HOTBACKUP) # define UNIV_INTERN __attribute__((visibility ("hidden"))) #else # define UNIV_INTERN @@ -411,7 +397,9 @@ it is read. */ /* Minimize cache-miss latency by moving data at addr into a cache before it is read or written. */ # define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) -#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) +/* Sun Studio includes sun_prefetch.h as of version 5.9 */ +#elif (defined(__SUNPRO_C) && __SUNPRO_C >= 0x590) \ + || (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590) # include #if __SUNPRO_C >= 0x550 # undef UNIV_INTERN diff --git a/include/ut0auxconf.h b/include/ut0auxconf.h index 88fb26f1863..16bcc308392 100644 --- a/include/ut0auxconf.h +++ b/include/ut0auxconf.h @@ -1,14 +1,14 @@ /* Do not remove this file even though it is empty. This file is included in univ.i and will cause compilation failure if not present. -A custom check has been added in the generated +A custom checks have been added in the generated storage/innobase/Makefile.in that is shipped with the InnoDB Plugin -source archive. This check tries to compile a test program and if -successful then adds "#define HAVE_ATOMIC_PTHREAD_T" to this file. -This is a hack that has been developed in order to check for pthread_t -atomicity without the need to regenerate the ./configure script that is +source archive. These checks eventually define some macros and put +them in this file. +This is a hack that has been developed in order to deploy new compile +time checks without the need to regenerate the ./configure script that is distributed in the MySQL 5.1 official source archives. If by any chance Makefile.in and ./configure are regenerated and thus -the hack from Makefile.in wiped away then the "real" check from plug.in +the hack from Makefile.in wiped away then the "real" checks from plug.in will take over. */ diff --git a/include/ut0byte.h b/include/ut0byte.h index a2687e62f08..f55e2888c60 100644 --- a/include/ut0byte.h +++ b/include/ut0byte.h @@ -219,8 +219,8 @@ UNIV_INLINE void* ut_align( /*=====*/ - void* ptr, /*!< in: pointer */ - ulint align_no); /*!< in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no); /*!< in: align by this number */ /*********************************************************//** The following function rounds down a pointer to the nearest aligned address. diff --git a/include/ut0byte.ic b/include/ut0byte.ic index e3beed65138..3dd51890cb4 100644 --- a/include/ut0byte.ic +++ b/include/ut0byte.ic @@ -319,8 +319,8 @@ UNIV_INLINE void* ut_align( /*=====*/ - void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ { ut_ad(align_no > 0); ut_ad(((align_no - 1) & align_no) == 0); diff --git a/include/ut0ut.h b/include/ut0ut.h index 80094321041..197b8401428 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -34,6 +34,11 @@ Created 1/20/1994 Heikki Tuuri #define ut0ut_h #include "univ.i" + +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ +#endif /* UNIV_HOTBACKUP */ + #include #ifndef MYSQL_SERVER #include @@ -47,7 +52,8 @@ Created 1/20/1994 Heikki Tuuri /** Time stamp */ typedef time_t ib_time_t; -#if defined(IB_HAVE_PAUSE_INSTRUCTION) +#ifndef UNIV_HOTBACKUP +#if defined(HAVE_IB_PAUSE_INSTRUCTION) # ifdef WIN32 /* In the Win32 API, the x86 PAUSE instruction is executed by calling the YieldProcessor macro defined in WinNT.h. It is a CPU architecture- @@ -84,6 +90,7 @@ do { \ os_thread_sleep(2000 /* 2 ms */); \ } \ } while (0) +#endif /* !UNIV_HOTBACKUP */ /********************************************************//** Gets the high 32 bits in a ulint. That is makes a shift >> 32, @@ -216,6 +223,7 @@ UNIV_INTERN ib_time_t ut_time(void); /*=========*/ +#ifndef UNIV_HOTBACKUP /**********************************************************//** Returns system time. Upon successful completion, the value 0 is returned; otherwise the @@ -239,6 +247,16 @@ ullint ut_time_us( /*=======*/ ullint* tloc); /*!< out: us since epoch, if non-NULL */ +/**********************************************************//** +Returns the number of milliseconds since some epoch. The +value may wrap around. It should only be used for heuristic +purposes. +@return ms since epoch */ +UNIV_INTERN +ulint +ut_time_ms(void); +/*============*/ +#endif /* !UNIV_HOTBACKUP */ /**********************************************************//** Returns the difference of two times in seconds. diff --git a/lock/lock0lock.c b/lock/lock0lock.c index fcd8d268331..20d444af3f4 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -214,7 +214,7 @@ a waiting s-lock request on the next record? If this s-lock was placed by a read cursor moving in the ascending order in the index, we cannot do the insert immediately, because when we finally commit our transaction, the read cursor should see also the new inserted record. So we should -move the read cursor backward from the the next record for it to pass over +move the read cursor backward from the next record for it to pass over the new inserted record. This move backward may be too cumbersome to implement. If we in this situation just enqueue a second x-lock request for our transaction on the next record, then the deadlock mechanism @@ -360,10 +360,9 @@ ibool lock_rec_validate_page( /*===================*/ ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ ulint page_no);/*!< in: page number */ - -/* Define the following in order to enable lock_rec_validate_page() checks. */ -# undef UNIV_DEBUG_LOCK_VALIDATE #endif /* UNIV_DEBUG */ /* The lock system */ @@ -2622,6 +2621,7 @@ lock_move_reorganize_page( #ifdef UNIV_DEBUG_LOCK_VALIDATE ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), buf_block_get_page_no(block))); #endif } @@ -2711,8 +2711,10 @@ lock_move_rec_list_end( #ifdef UNIV_DEBUG_LOCK_VALIDATE ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), buf_block_get_page_no(block))); ut_ad(lock_rec_validate_page(buf_block_get_space(new_block), + buf_block_get_zip_size(block), buf_block_get_page_no(new_block))); #endif } @@ -2822,6 +2824,7 @@ lock_move_rec_list_start( #ifdef UNIV_DEBUG_LOCK_VALIDATE ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), buf_block_get_page_no(block))); #endif } @@ -3574,7 +3577,8 @@ lock_table_remove_low( and lock_grant()). Therefore it can be empty and we need to check for that. */ - if (!ib_vector_is_empty(trx->autoinc_locks)) { + if (!lock_get_wait(lock) + && !ib_vector_is_empty(trx->autoinc_locks)) { lock_t* autoinc_lock; autoinc_lock = ib_vector_pop(trx->autoinc_locks); @@ -3647,8 +3651,10 @@ lock_table_enqueue_waiting( if (lock_deadlock_occurs(lock, trx)) { - lock_reset_lock_and_trx_wait(lock); + /* The order here is important, we don't want to + lose the state of the lock before calling remove. */ lock_table_remove_low(lock); + lock_reset_lock_and_trx_wait(lock); return(DB_DEADLOCK); } @@ -4684,6 +4690,8 @@ ibool lock_rec_validate_page( /*===================*/ ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ ulint page_no)/*!< in: page number */ { dict_index_t* index; @@ -4694,7 +4702,6 @@ lock_rec_validate_page( ulint nth_lock = 0; ulint nth_bit = 0; ulint i; - ulint zip_size; mtr_t mtr; mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; @@ -4705,7 +4712,6 @@ lock_rec_validate_page( mtr_start(&mtr); - zip_size = fil_space_get_zip_size(space); ut_ad(zip_size != ULINT_UNDEFINED); block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, &mtr); buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); @@ -4840,7 +4846,9 @@ lock_validate(void) lock_mutex_exit_kernel(); - lock_rec_validate_page(space, page_no); + lock_rec_validate_page(space, + fil_space_get_zip_size(space), + page_no); lock_mutex_enter_kernel(); @@ -5363,6 +5371,20 @@ lock_release_autoinc_last_lock( lock_table_dequeue(lock); } +/*******************************************************************//** +Check if a transaction holds any autoinc locks. +@return TRUE if the transaction holds any AUTOINC locks. */ +UNIV_INTERN +ibool +lock_trx_holds_autoinc_locks( +/*=========================*/ + const trx_t* trx) /*!< in: transaction */ +{ + ut_a(trx->autoinc_locks != NULL); + + return(!ib_vector_is_empty(trx->autoinc_locks)); +} + /*******************************************************************//** Release all the transaction's autoinc locks. */ UNIV_INTERN diff --git a/log/log0log.c b/log/log0log.c index 24c828cdf5f..85de72bb768 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -2047,7 +2047,7 @@ log_make_checkpoint_at( later lsn, if IB_ULONGLONG_MAX, makes a checkpoint at the latest lsn */ ibool write_always) /*!< in: the function normally checks if - the the new checkpoint would have a + the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; by setting this parameter TRUE, a @@ -3234,6 +3234,7 @@ loop: ut_a(lsn == log_sys->lsn); } +#ifdef UNIV_LOG_DEBUG /******************************************************//** Checks by parsing that the catenated log segment for a single mtr is consistent. */ @@ -3241,7 +3242,7 @@ UNIV_INTERN ibool log_check_log_recs( /*===============*/ - byte* buf, /*!< in: pointer to the start of + const byte* buf, /*!< in: pointer to the start of the log segment in the log_sys->buf log buffer */ ulint len, /*!< in: segment length in bytes */ @@ -3249,8 +3250,8 @@ log_check_log_recs( { ib_uint64_t contiguous_lsn; ib_uint64_t scanned_lsn; - byte* start; - byte* end; + const byte* start; + const byte* end; byte* buf1; byte* scan_buf; @@ -3283,6 +3284,7 @@ log_check_log_recs( return(TRUE); } +#endif /* UNIV_LOG_DEBUG */ /******************************************************//** Peeks the current lsn. diff --git a/log/log0recv.c b/log/log0recv.c index d535736cf4a..3c23670be54 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -872,6 +872,11 @@ recv_parse_or_apply_log_rec_body( } switch (type) { +#ifdef UNIV_LOG_LSN_DEBUG + case MLOG_LSN: + /* The LSN is checked in recv_parse_log_rec(). */ + break; +#endif /* UNIV_LOG_LSN_DEBUG */ case MLOG_1BYTE: case MLOG_2BYTES: case MLOG_4BYTES: case MLOG_8BYTES: #ifdef UNIV_DEBUG if (page && page_type == FIL_PAGE_TYPE_ALLOCATED @@ -1346,6 +1351,7 @@ recv_recover_page_func( buf_block_t* block) /*!< in/out: buffer block */ { page_t* page; + page_zip_des_t* page_zip; recv_addr_t* recv_addr; recv_t* recv; byte* buf; @@ -1395,6 +1401,7 @@ recv_recover_page_func( mtr_set_log_mode(&mtr, MTR_LOG_NONE); page = block->frame; + page_zip = buf_block_get_page_zip(block); #ifndef UNIV_HOTBACKUP if (just_read_in) { @@ -1455,13 +1462,19 @@ recv_recover_page_func( if (recv->type == MLOG_INIT_FILE_PAGE) { page_lsn = page_newest_lsn; - mach_write_ull(page + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM, 0); - mach_write_ull(page + FIL_PAGE_LSN, 0); + memset(FIL_PAGE_LSN + page, 0, 8); + memset(UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM + + page, 0, 8); + + if (page_zip) { + memset(FIL_PAGE_LSN + page_zip->data, 0, 8); + } } if (recv->start_lsn >= page_lsn) { + ib_uint64_t end_lsn; + if (!modification_to_page) { modification_to_page = TRUE; @@ -1483,11 +1496,17 @@ recv_recover_page_func( recv_parse_or_apply_log_rec_body(recv->type, buf, buf + recv->len, block, &mtr); - mach_write_ull(page + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM, - recv->start_lsn + recv->len); - mach_write_ull(page + FIL_PAGE_LSN, - recv->start_lsn + recv->len); + + end_lsn = recv->start_lsn + recv->len; + mach_write_ull(FIL_PAGE_LSN + page, end_lsn); + mach_write_ull(UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + + page, end_lsn); + + if (page_zip) { + mach_write_ull(FIL_PAGE_LSN + + page_zip->data, end_lsn); + } } if (recv->len > RECV_DATA_BLOCK_SIZE) { @@ -1929,6 +1948,17 @@ recv_parse_log_rec( return(0); } +#ifdef UNIV_LOG_LSN_DEBUG + if (*type == MLOG_LSN) { + ib_uint64_t lsn = (ib_uint64_t) *space << 32 | *page_no; +# ifdef UNIV_LOG_DEBUG + ut_a(lsn == log_sys->old_lsn); +# else /* UNIV_LOG_DEBUG */ + ut_a(lsn == recv_sys->recovered_lsn); +# endif /* UNIV_LOG_DEBUG */ + } +#endif /* UNIV_LOG_LSN_DEBUG */ + /* Check that page_no is sensible */ if (UNIV_UNLIKELY(*page_no > 0x8FFFFFFFUL)) { @@ -2186,6 +2216,12 @@ loop: #endif /* In normal mysqld crash recovery we do not try to replay file operations */ +#ifdef UNIV_LOG_LSN_DEBUG + } else if (type == MLOG_LSN) { + /* Do not add these records to the hash table. + The page number and space id fields are misused + for something else. */ +#endif /* UNIV_LOG_LSN_DEBUG */ } else { recv_add_to_hash_table(type, space, page_no, body, ptr + len, old_lsn, @@ -2217,11 +2253,11 @@ loop: = recv_sys->recovered_offset + total_len; recv_previous_parsed_rec_is_multi = 1; - if ((!store_to_hash) && (type != MLOG_MULTI_REC_END)) { #ifdef UNIV_LOG_DEBUG + if ((!store_to_hash) && (type != MLOG_MULTI_REC_END)) { recv_check_incomplete_log_recs(ptr, len); -#endif /* UNIV_LOG_DEBUG */ } +#endif /* UNIV_LOG_DEBUG */ #ifdef UNIV_DEBUG if (log_debug_writes) { @@ -2285,7 +2321,11 @@ loop: break; } - if (store_to_hash) { + if (store_to_hash +#ifdef UNIV_LOG_LSN_DEBUG + && type != MLOG_LSN +#endif /* UNIV_LOG_LSN_DEBUG */ + ) { recv_add_to_hash_table(type, space, page_no, body, ptr + len, old_lsn, @@ -2434,8 +2474,7 @@ recv_scan_log_recs( scanned_lsn = start_lsn; more_data = FALSE; - while (log_block < buf + len && !finished) { - + do { no = log_block_get_hdr_no(log_block); /* fprintf(stderr, "Log block header no %lu\n", no); @@ -2565,10 +2604,11 @@ recv_scan_log_recs( /* Log data for this group ends here */ finished = TRUE; + break; } else { log_block += OS_FILE_LOG_BLOCK_SIZE; } - } + } while (log_block < buf + len && !finished); *group_scanned_lsn = scanned_lsn; @@ -3123,6 +3163,11 @@ recv_recovery_from_checkpoint_finish(void) #ifndef UNIV_LOG_DEBUG recv_sys_free(); #endif + /* Roll back any recovered data dictionary transactions, so + that the data dictionary tables will be free of any locks. + The data dictionary latch should guarantee that there is at + most one data dictionary transaction active at a time. */ + trx_rollback_or_clean_recovered(FALSE); /* Drop partially created indexes. */ row_merge_drop_temp_indexes(); diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 7a71c7f4080..39bbfc90313 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -493,16 +493,18 @@ mem_heap_block_free( len = block->len; block->magic_n = MEM_FREED_BLOCK_MAGIC_N; +#ifndef UNIV_HOTBACKUP + if (!srv_use_sys_malloc) { #ifdef UNIV_MEM_DEBUG - /* In the debug version we set the memory to a random combination - of hex 0xDE and 0xAD. */ + /* In the debug version we set the memory to a random + combination of hex 0xDE and 0xAD. */ - mem_erase_buf((byte*)block, len); + mem_erase_buf((byte*)block, len); #else /* UNIV_MEM_DEBUG */ - UNIV_MEM_ASSERT_AND_FREE(block, len); + UNIV_MEM_ASSERT_AND_FREE(block, len); #endif /* UNIV_MEM_DEBUG */ -#ifndef UNIV_HOTBACKUP + } if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { ut_ad(!buf_block); @@ -513,6 +515,14 @@ mem_heap_block_free( buf_block_free(buf_block); } #else /* !UNIV_HOTBACKUP */ +#ifdef UNIV_MEM_DEBUG + /* In the debug version we set the memory to a random + combination of hex 0xDE and 0xAD. */ + + mem_erase_buf((byte*)block, len); +#else /* UNIV_MEM_DEBUG */ + UNIV_MEM_ASSERT_AND_FREE(block, len); +#endif /* UNIV_MEM_DEBUG */ ut_free(block); #endif /* !UNIV_HOTBACKUP */ } diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index be31c5df801..0c4bec8c82c 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -115,7 +115,6 @@ mtr_log_reserve_and_write( dyn_array_t* mlog; dyn_block_t* block; ulint data_size; - ibool success; byte* first_data; ut_ad(mtr); @@ -134,8 +133,8 @@ mtr_log_reserve_and_write( if (mlog->heap == NULL) { mtr->end_lsn = log_reserve_and_write_fast( first_data, dyn_block_get_used(mlog), - &(mtr->start_lsn), &success); - if (success) { + &mtr->start_lsn); + if (mtr->end_lsn) { return; } diff --git a/mysql-test/innodb-analyze.test b/mysql-test/innodb-analyze.test index d5d6d698170..9bdb9db697c 100644 --- a/mysql-test/innodb-analyze.test +++ b/mysql-test/innodb-analyze.test @@ -11,6 +11,7 @@ -- disable_result_log -- enable_warnings +let $sample_pages=`select @@innodb_stats_sample_pages`; SET GLOBAL innodb_stats_sample_pages=0; # check that the value has been adjusted to 1 @@ -61,3 +62,4 @@ SET GLOBAL innodb_stats_sample_pages=16; ANALYZE TABLE innodb_analyze; DROP TABLE innodb_analyze; +EVAL SET GLOBAL innodb_stats_sample_pages=$sample_pages; diff --git a/mysql-test/innodb-consistent-master.opt b/mysql-test/innodb-consistent-master.opt new file mode 100644 index 00000000000..8cca44767da --- /dev/null +++ b/mysql-test/innodb-consistent-master.opt @@ -0,0 +1 @@ +--innodb_lock_wait_timeout=2 diff --git a/mysql-test/innodb-consistent.result b/mysql-test/innodb-consistent.result new file mode 100644 index 00000000000..9115791b99c --- /dev/null +++ b/mysql-test/innodb-consistent.result @@ -0,0 +1,35 @@ +drop table if exists t1; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; +begin; +replace into t1 select * from t2; +set session transaction isolation level read committed; +set autocommit=0; +delete from t2 where a=5; +commit; +delete from t2; +commit; +commit; +begin; +insert into t1 select * from t2; +set session transaction isolation level read committed; +set autocommit=0; +delete from t2 where a=5; +commit; +delete from t2; +commit; +commit; +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; +drop table t2; diff --git a/mysql-test/innodb-consistent.test b/mysql-test/innodb-consistent.test new file mode 100644 index 00000000000..791600fc8a7 --- /dev/null +++ b/mysql-test/innodb-consistent.test @@ -0,0 +1,58 @@ +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do +# a consistent read of the source table. + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; + +# REPLACE INTO ... SELECT case +begin; +# this should not result in any locks on t2. +replace into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cuase a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +# INSERT INTO ... SELECT case +begin; +# this should not result in any locks on t2. +insert into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cuase a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +select * from t1; +drop table t1; +drop table t2; + +connection default; +disconnect a; +disconnect b; diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index c81401743a5..b26c4112826 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -141,7 +141,7 @@ drop table t1; CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(439))) +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); DROP TABLE t1; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index ddc39d44487..5bcd0e3c824 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -105,7 +105,7 @@ drop table t1; --error ER_TOO_BIG_ROWSIZE CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(439))) +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); DROP TABLE t1; diff --git a/mysql-test/innodb_bug34300.test b/mysql-test/innodb_bug34300.test index 114bcf98c25..68c385fd72a 100644 --- a/mysql-test/innodb_bug34300.test +++ b/mysql-test/innodb_bug34300.test @@ -9,6 +9,7 @@ -- disable_result_log # set packet size and reconnect +let $max_packet=`select @@global.max_allowed_packet`; SET @@global.max_allowed_packet=16777216; --connect (newconn, localhost, root,,) @@ -30,3 +31,4 @@ ALTER TABLE bug34300 ADD COLUMN (f10 INT); SELECT f4, f8 FROM bug34300; DROP TABLE bug34300; +EVAL SET @@global.max_allowed_packet=$max_packet; diff --git a/mysql-test/innodb_bug36169.test b/mysql-test/innodb_bug36169.test index d3566d3eb39..5bf55193b5c 100644 --- a/mysql-test/innodb_bug36169.test +++ b/mysql-test/innodb_bug36169.test @@ -5,6 +5,8 @@ -- source include/have_innodb.inc +let $file_format=`select @@innodb_file_format`; +let $file_per_table=`select @@innodb_file_per_table`; SET GLOBAL innodb_file_format='Barracuda'; SET GLOBAL innodb_file_per_table=ON; @@ -1153,3 +1155,5 @@ DROP TABLE IF EXISTS table4; DROP TABLE IF EXISTS table5; DROP TABLE IF EXISTS table6; +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/mysql-test/innodb_bug36172.test b/mysql-test/innodb_bug36172.test index 666d4a2f4b7..c6c4e6fae47 100644 --- a/mysql-test/innodb_bug36172.test +++ b/mysql-test/innodb_bug36172.test @@ -14,6 +14,9 @@ SET storage_engine=InnoDB; -- disable_query_log -- disable_result_log +let $file_format=`select @@innodb_file_format`; +let $file_format_check=`select @@innodb_file_format_check`; +let $file_per_table=`select @@innodb_file_per_table`; SET GLOBAL innodb_file_format='Barracuda'; SET GLOBAL innodb_file_per_table=on; @@ -24,3 +27,6 @@ CHECK TABLE table0 EXTENDED; INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; CHECK TABLE table0 EXTENDED; DROP TABLE table0; +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_format_check=$file_format_check; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/mysql-test/innodb_bug44369.result b/mysql-test/innodb_bug44369.result new file mode 100644 index 00000000000..e4b84ecac19 --- /dev/null +++ b/mysql-test/innodb_bug44369.result @@ -0,0 +1,14 @@ +create table bug44369 (DB_ROW_ID int) engine=innodb; +ERROR HY000: Can't create table 'test.bug44369' (errno: -1) +create table bug44369 (db_row_id int) engine=innodb; +ERROR HY000: Can't create table 'test.bug44369' (errno: -1) +show errors; +Level Code Message +Error 1005 Error creating table 'test/bug44369' with column name 'db_row_id'. 'db_row_id' is a reserved name. Please try to re-create the table with a different column name. +Error 1005 Can't create table 'test.bug44369' (errno: -1) +create table bug44369 (db_TRX_Id int) engine=innodb; +ERROR HY000: Can't create table 'test.bug44369' (errno: -1) +show errors; +Level Code Message +Error 1005 Error creating table 'test/bug44369' with column name 'db_TRX_Id'. 'db_TRX_Id' is a reserved name. Please try to re-create the table with a different column name. +Error 1005 Can't create table 'test.bug44369' (errno: -1) diff --git a/mysql-test/innodb_bug44369.test b/mysql-test/innodb_bug44369.test new file mode 100644 index 00000000000..495059eb5e6 --- /dev/null +++ b/mysql-test/innodb_bug44369.test @@ -0,0 +1,21 @@ +# This is the test for bug 44369. We should +# block table creation with columns match +# some innodb internal reserved key words, +# both case sensitively and insensitely. + +--source include/have_innodb.inc + +# This create table operation should fail. +--error ER_CANT_CREATE_TABLE +create table bug44369 (DB_ROW_ID int) engine=innodb; + +# This create should fail as well +--error ER_CANT_CREATE_TABLE +create table bug44369 (db_row_id int) engine=innodb; + +show errors; + +--error ER_CANT_CREATE_TABLE +create table bug44369 (db_TRX_Id int) engine=innodb; + +show errors; diff --git a/mysql-test/innodb_bug44571.result b/mysql-test/innodb_bug44571.result new file mode 100644 index 00000000000..36374edcb3e --- /dev/null +++ b/mysql-test/innodb_bug44571.result @@ -0,0 +1,9 @@ +CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; +ALTER TABLE bug44571 CHANGE foo bar INT; +ALTER TABLE bug44571 ADD INDEX bug44571b (foo); +ERROR 42000: Key column 'foo' doesn't exist in table +ALTER TABLE bug44571 ADD INDEX bug44571b (bar); +ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it +CREATE INDEX bug44571b ON bug44571 (bar); +ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it +DROP TABLE bug44571; diff --git a/mysql-test/innodb_bug44571.test b/mysql-test/innodb_bug44571.test new file mode 100644 index 00000000000..685463ceff9 --- /dev/null +++ b/mysql-test/innodb_bug44571.test @@ -0,0 +1,17 @@ +# +# Bug#44571 InnoDB Plugin crashes on ADD INDEX +# http://bugs.mysql.com/44571 +# +-- source include/have_innodb.inc + +CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; +ALTER TABLE bug44571 CHANGE foo bar INT; +-- error ER_KEY_COLUMN_DOES_NOT_EXITS +ALTER TABLE bug44571 ADD INDEX bug44571b (foo); +# The following will fail, because the CHANGE foo bar was +# not communicated to InnoDB. +--error ER_NOT_KEYFILE +ALTER TABLE bug44571 ADD INDEX bug44571b (bar); +--error ER_NOT_KEYFILE +CREATE INDEX bug44571b ON bug44571 (bar); +DROP TABLE bug44571; diff --git a/mysql-test/innodb_bug46000.result b/mysql-test/innodb_bug46000.result new file mode 100644 index 00000000000..ccff888a48d --- /dev/null +++ b/mysql-test/innodb_bug46000.result @@ -0,0 +1,17 @@ +create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; +ERROR HY000: Can't create table 'test.bug46000' (errno: -1) +create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; +ERROR HY000: Can't create table 'test.bug46000' (errno: -1) +show errors; +Level Code Message +Error 1005 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1005 Can't create table 'test.bug46000' (errno: -1) +create table bug46000(id int) engine=innodb; +create index GEN_CLUST_INDEX on bug46000(id); +ERROR HY000: Can't create table '#sql-temporary' (errno: -1) +show errors; +Level Code Message +Error 1005 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1005 Can't create table '#sql-temporary' (errno: -1) +create index idx on bug46000(id); +drop table bug46000; diff --git a/mysql-test/innodb_bug46000.test b/mysql-test/innodb_bug46000.test new file mode 100644 index 00000000000..80c18c58ef0 --- /dev/null +++ b/mysql-test/innodb_bug46000.test @@ -0,0 +1,34 @@ +# This is the test for bug 46000. We shall +# block any index creation with the name of +# "GEN_CLUST_INDEX", which is the reserved +# name for innodb default primary index. + +--source include/have_innodb.inc + +# This 'create table' operation should fail because of +# using the reserve name as its index name. +--error ER_CANT_CREATE_TABLE +create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; + +# Mixed upper/lower case of the reserved key words +--error ER_CANT_CREATE_TABLE +create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; + +show errors; + +create table bug46000(id int) engine=innodb; + +# This 'create index' operation should fail. +--replace_regex /'[^']*test.#sql-[0-9a-f_]*'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +create index GEN_CLUST_INDEX on bug46000(id); + +--replace_regex /'[^']*test.#sql-[0-9a-f_]*'/'#sql-temporary'/ +show errors; + +# This 'create index' operation should succeed, no +# temp table left from last failed create index +# operation. +create index idx on bug46000(id); + +drop table bug46000; diff --git a/mysql-test/innodb_file_format.result b/mysql-test/innodb_file_format.result index 9cfac5f001c..8e9a317308b 100644 --- a/mysql-test/innodb_file_format.result +++ b/mysql-test/innodb_file_format.result @@ -42,3 +42,4 @@ ERROR HY000: Incorrect arguments to SET select @@innodb_file_format_check; @@innodb_file_format_check Barracuda +set global innodb_file_format_check=antelope; diff --git a/mysql-test/innodb_file_format.test b/mysql-test/innodb_file_format.test index 62ce4157183..d63c9b0228f 100644 --- a/mysql-test/innodb_file_format.test +++ b/mysql-test/innodb_file_format.test @@ -26,3 +26,4 @@ set global innodb_file_format=on; --error ER_WRONG_ARGUMENTS set global innodb_file_format=off; select @@innodb_file_format_check; +set global innodb_file_format_check=antelope; diff --git a/os/os0file.c b/os/os0file.c index 070e3183a04..4496d97aab7 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -92,7 +92,9 @@ UNIV_INTERN ibool os_do_not_call_flush_at_each_write = FALSE; /* We do not call os_file_flush in every os_file_write. */ #endif /* UNIV_DO_FLUSH */ -#ifndef UNIV_HOTBACKUP +#ifdef UNIV_HOTBACKUP +# define os_aio_use_native_aio FALSE +#else /* UNIV_HOTBACKUP */ /* We use these mutexes to protect lseek + file i/o operation, if the OS does not provide an atomic pread or pwrite, or similar */ #define OS_FILE_N_SEEK_MUTEXES 16 @@ -281,7 +283,7 @@ static ulint os_aio_n_segments = ULINT_UNDEFINED; /** If the following is TRUE, read i/o handler threads try to wait until a batch of new read requests have been posted */ static ibool os_aio_recommend_sleep_for_read_threads = FALSE; -#endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_HOTBACKUP */ UNIV_INTERN ulint os_n_file_reads = 0; UNIV_INTERN ulint os_bytes_read_since_printout = 0; @@ -1343,6 +1345,7 @@ try_again: } #endif #ifdef UNIV_NON_BUFFERED_IO +# ifndef UNIV_HOTBACKUP if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { /* Do not use unbuffered i/o to log files because value 2 denotes that we do not flush the log at every @@ -1351,10 +1354,14 @@ try_again: == SRV_WIN_IO_UNBUFFERED) { attributes = attributes | FILE_FLAG_NO_BUFFERING; } -#endif +# else /* !UNIV_HOTBACKUP */ + attributes = attributes | FILE_FLAG_NO_BUFFERING; +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_NON_BUFFERED_IO */ } else if (purpose == OS_FILE_NORMAL) { attributes = 0; #ifdef UNIV_NON_BUFFERED_IO +# ifndef UNIV_HOTBACKUP if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { /* Do not use unbuffered i/o to log files because value 2 denotes that we do not flush the log at every @@ -1363,7 +1370,10 @@ try_again: == SRV_WIN_IO_UNBUFFERED) { attributes = attributes | FILE_FLAG_NO_BUFFERING; } -#endif +# else /* !UNIV_HOTBACKUP */ + attributes = attributes | FILE_FLAG_NO_BUFFERING; +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_NON_BUFFERED_IO */ } else { attributes = 0; ut_error; @@ -2256,16 +2266,20 @@ os_file_pwrite( #else { off_t ret_offset; +# ifndef UNIV_HOTBACKUP ulint i; +# endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_writes++; os_mutex_exit(os_file_count_mutex); +# ifndef UNIV_HOTBACKUP /* Protect the seek / write operation with a mutex */ i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; os_mutex_enter(os_file_seek_mutexes[i]); +# endif /* UNIV_HOTBACKUP */ ret_offset = lseek(file, offs, SEEK_SET); @@ -2291,7 +2305,9 @@ os_file_pwrite( # endif /* UNIV_DO_FLUSH */ func_exit: +# ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +# endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_writes--; @@ -2325,7 +2341,9 @@ os_file_read( DWORD low; DWORD high; ibool retry; +#ifndef UNIV_HOTBACKUP ulint i; +#endif /* !UNIV_HOTBACKUP */ ut_a((offset & 0xFFFFFFFFUL) == offset); @@ -2344,16 +2362,20 @@ try_again: os_n_pending_reads++; os_mutex_exit(os_file_count_mutex); +#ifndef UNIV_HOTBACKUP /* Protect the seek / read operation with a mutex */ i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads--; @@ -2364,7 +2386,9 @@ try_again: ret = ReadFile(file, buf, (DWORD) n, &len, NULL); +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads--; @@ -2373,7 +2397,7 @@ try_again: if (ret && len == n) { return(TRUE); } -#else +#else /* __WIN__ */ ibool retry; ssize_t ret; @@ -2392,7 +2416,7 @@ try_again: "InnoDB: Was only able to read %ld.\n", (ulong)n, (ulong)offset_high, (ulong)offset, (long)ret); -#endif +#endif /* __WIN__ */ #ifdef __WIN__ error_handling: #endif @@ -2441,7 +2465,9 @@ os_file_read_no_error_handling( DWORD low; DWORD high; ibool retry; +#ifndef UNIV_HOTBACKUP ulint i; +#endif /* !UNIV_HOTBACKUP */ ut_a((offset & 0xFFFFFFFFUL) == offset); @@ -2460,16 +2486,20 @@ try_again: os_n_pending_reads++; os_mutex_exit(os_file_count_mutex); +#ifndef UNIV_HOTBACKUP /* Protect the seek / read operation with a mutex */ i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads--; @@ -2480,7 +2510,9 @@ try_again: ret = ReadFile(file, buf, (DWORD) n, &len, NULL); +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads--; @@ -2489,7 +2521,7 @@ try_again: if (ret && len == n) { return(TRUE); } -#else +#else /* __WIN__ */ ibool retry; ssize_t ret; @@ -2502,7 +2534,7 @@ try_again: return(TRUE); } -#endif +#endif /* __WIN__ */ #ifdef __WIN__ error_handling: #endif @@ -2561,9 +2593,11 @@ os_file_write( DWORD ret2; DWORD low; DWORD high; - ulint i; ulint n_retries = 0; ulint err; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ ut_a((offset & 0xFFFFFFFF) == offset); @@ -2580,16 +2614,20 @@ retry: os_n_pending_writes++; os_mutex_exit(os_file_count_mutex); +#ifndef UNIV_HOTBACKUP /* Protect the seek / write operation with a mutex */ i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_writes--; @@ -2623,7 +2661,9 @@ retry: } # endif /* UNIV_DO_FLUSH */ +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_writes--; @@ -3694,9 +3734,21 @@ void os_aio_simulated_put_read_threads_to_sleep(void) /*============================================*/ { + +/* The idea of putting background IO threads to sleep is only for +Windows when using simulated AIO. Windows XP seems to schedule +background threads too eagerly to allow for coalescing during +readahead requests. */ +#ifdef __WIN__ os_aio_array_t* array; ulint g; + if (os_aio_use_native_aio) { + /* We do not use simulated aio: do nothing */ + + return; + } + os_aio_recommend_sleep_for_read_threads = TRUE; for (g = 0; g < os_aio_n_segments; g++) { @@ -3707,6 +3759,7 @@ os_aio_simulated_put_read_threads_to_sleep(void) os_event_reset(os_aio_segment_wait_events[g]); } } +#endif /* __WIN__ */ } #if defined(LINUX_NATIVE_AIO) diff --git a/page/page0page.c b/page/page0page.c index f056ef77bdc..b771bf4ded9 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -45,7 +45,7 @@ Created 2/2/1994 Heikki Tuuri ============== The index page consists of a page header which contains the page's -id and other information. On top of it are the the index records +id and other information. On top of it are the index records in a heap linked into a one way linear list according to alphabetic order. Just below page end is an array of pointers which we call page directory, diff --git a/page/page0zip.c b/page/page0zip.c index 92ba0ec768a..e170adce30a 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -47,8 +47,10 @@ Created June 2005 by Marko Makela # define buf_LRU_stat_inc_unzip() ((void) 0) #endif /* !UNIV_HOTBACKUP */ +#ifndef UNIV_HOTBACKUP /** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ UNIV_INTERN page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; +#endif /* !UNIV_HOTBACKUP */ /* Please refer to ../include/page0zip.ic for a description of the compressed page format. */ @@ -1144,7 +1146,9 @@ page_zip_compress( ulint* offsets = NULL; ulint n_blobs = 0; byte* storage;/* storage of uncompressed columns */ +#ifndef UNIV_HOTBACKUP ullint usec = ut_time_us(NULL); +#endif /* !UNIV_HOTBACKUP */ #ifdef PAGE_ZIP_COMPRESS_DBG FILE* logfile = NULL; #endif @@ -1208,7 +1212,9 @@ page_zip_compress( } } #endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP page_zip_stat[page_zip->ssize - 1].compressed++; +#endif /* !UNIV_HOTBACKUP */ if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE >= page_zip_get_size(page_zip))) { @@ -1345,8 +1351,10 @@ err_exit: fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP page_zip_stat[page_zip->ssize - 1].compressed_usec += ut_time_us(NULL) - usec; +#endif /* !UNIV_HOTBACKUP */ return(FALSE); } @@ -1404,12 +1412,14 @@ err_exit: fclose(logfile); } #endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP { page_zip_stat_t* zip_stat = &page_zip_stat[page_zip->ssize - 1]; zip_stat->compressed_ok++; zip_stat->compressed_usec += ut_time_us(NULL) - usec; } +#endif /* !UNIV_HOTBACKUP */ return(TRUE); } @@ -2820,7 +2830,9 @@ page_zip_decompress( ulint trx_id_col = ULINT_UNDEFINED; mem_heap_t* heap; ulint* offsets; +#ifndef UNIV_HOTBACKUP ullint usec = ut_time_us(NULL); +#endif /* !UNIV_HOTBACKUP */ ut_ad(page_zip_simple_validate(page_zip)); UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); @@ -2976,12 +2988,14 @@ err_exit: page_zip_fields_free(index); mem_heap_free(heap); +#ifndef UNIV_HOTBACKUP { page_zip_stat_t* zip_stat = &page_zip_stat[page_zip->ssize - 1]; zip_stat->decompressed++; zip_stat->decompressed_usec += ut_time_us(NULL) - usec; } +#endif /* !UNIV_HOTBACKUP */ /* Update the stat counter for LRU policy. */ buf_LRU_stat_inc_unzip(); diff --git a/plug.in b/plug.in index 11173e7b753..96db9bd80e3 100644 --- a/plug.in +++ b/plug.in @@ -46,19 +46,11 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ irix*|osf*|sysv5uw7*|openbsd*) CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; *solaris*|*SunOS*) - # Begin Solaris atomic function checks - AC_CHECK_FUNCS(atomic_cas_ulong atomic_cas_32 \ - atomic_cas_64 atomic_add_long, - AC_DEFINE( - [HAVE_SOLARIS_ATOMICS], - [1], - [Define to 1 if Solaris supports \ - atomic functions.])) - ### End Solaris atomic function checks - CFLAGS="$CFLAGS -DUNIV_SOLARIS";; esac + INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" + case "$target_cpu" in x86_64) # The AMD64 ABI forbids absolute addresses in shared libraries @@ -69,7 +61,60 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ ;; esac AC_SUBST(INNODB_DYNAMIC_CFLAGS) + + AC_MSG_CHECKING(whether GCC atomic builtins are available) + # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not + AC_TRY_RUN( + [ + int main() + { + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1], + [GCC atomic builtins are available]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins) + # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not AC_TRY_RUN( [ #include @@ -90,47 +135,73 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ } ], [ - AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1], [pthread_t can be used by GCC atomic builtins]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ] - ) + ) - # Try using solaris atomics on SunOS if GCC atomics are not available - AC_CHECK_DECLS( - [HAVE_ATOMIC_PTHREAD_T], + AC_MSG_CHECKING(whether Solaris libc atomic functions are available) + # either define HAVE_IB_SOLARIS_ATOMICS or not + AC_CHECK_FUNCS(atomic_add_long \ + atomic_cas_32 \ + atomic_cas_64 \ + atomic_cas_ulong, + + AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1], + [Define to 1 if Solaris libc atomic functions \ + are available]) + ) + + AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions) + # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not + AC_TRY_RUN( [ - AC_MSG_NOTICE(no need to check pthread_t size) + #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); + } ], [ - AC_CHECK_DECLS( - [HAVE_SOLARIS_ATOMICS], - [ - AC_MSG_CHECKING(checking if pthread_t size is integral) - AC_TRY_RUN( - [ - #include - int main() - { - pthread_t x = 0; - return(0); - } - ], - [ - AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1], + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1], [pthread_t can be used by solaris atomics]) - AC_MSG_RESULT(yes) - # size of pthread_t is needed for typed solaris atomics - AC_CHECK_SIZEOF([pthread_t], [], [#include ]) - ], - [ - AC_MSG_RESULT(no) - ]) - ]) - ]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + + # this is needed to know which one of atomic_cas_32() or atomic_cas_64() + # to use in the source + AC_CHECK_SIZEOF([pthread_t], [], [#include ]) + # Check for x86 PAUSE instruction AC_MSG_CHECKING(for x86 PAUSE instruction) # We have to actually try running the test program, because of a bug @@ -147,7 +218,7 @@ MYSQL_PLUGIN_ACTIONS(innobase, [ } ], [ - AC_DEFINE([IB_HAVE_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) + AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) AC_MSG_RESULT(yes) ], [ diff --git a/rem/rem0cmp.c b/rem/rem0cmp.c index b707f2116d6..e6dab0bc66b 100644 --- a/rem/rem0cmp.c +++ b/rem/rem0cmp.c @@ -36,7 +36,7 @@ Created 7/1/1994 Heikki Tuuri The records are put into alphabetical order in the following way: let F be the first field where two records disagree. -If there is a character in some position n where the the +If there is a character in some position n where the records disagree, the order is determined by comparison of the characters at position n, possibly after collating transformation. If there is no such character, @@ -76,7 +76,7 @@ cmp_debug_dtuple_rec_with_match( /*************************************************************//** This function is used to compare two data fields for which the data type is such that we must use MySQL code to compare them. The prototype here -must be a copy of the the one in ha_innobase.cc! +must be a copy of the one in ha_innobase.cc! @return 1, 0, -1, if a is greater, equal, less than b, respectively */ extern int @@ -399,7 +399,7 @@ next_byte: /*************************************************************//** This function is used to compare a data tuple to a physical record. Only dtuple->n_fields_cmp first fields are taken into account for -the the data tuple! If we denote by n = n_fields_cmp, then rec must +the data tuple! If we denote by n = n_fields_cmp, then rec must have either m >= n fields, or it must differ from dtuple in some of the m fields rec has. If rec has an externally stored field we do not compare it but return with value 0 if such a comparison should be diff --git a/row/row0merge.c b/row/row0merge.c index 88008b7c624..e82b8926507 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -65,9 +65,19 @@ Completed by Sunny Bains and Marko Makela #ifdef UNIV_DEBUG /** Set these in order ot enable debug printout. */ /* @{ */ +/** Log the outcome of each row_merge_cmp() call, comparing records. */ static ibool row_merge_print_cmp; +/** Log each record read from temporary file. */ static ibool row_merge_print_read; +/** Log each record write to temporary file. */ static ibool row_merge_print_write; +/** Log each row_merge_blocks() call, merging two blocks of records to +a bigger one. */ +static ibool row_merge_print_block; +/** Log each block read from temporary file. */ +static ibool row_merge_print_block_read; +/** Log each block read from temporary file. */ +static ibool row_merge_print_block_write; /* @} */ #endif /* UNIV_DEBUG */ @@ -114,8 +124,9 @@ typedef struct row_merge_buf_struct row_merge_buf_t; /** Information about temporary files used in merge sort */ struct merge_file_struct { - int fd; /*!< file descriptor */ - ulint offset; /*!< file offset */ + int fd; /*!< file descriptor */ + ulint offset; /*!< file offset (end of file) */ + ib_uint64_t n_rec; /*!< number of records in the file */ }; /** Information about temporary files used in merge sort */ @@ -687,6 +698,13 @@ row_merge_read( ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof *buf; ibool success; +#ifdef UNIV_DEBUG + if (row_merge_print_block_read) { + fprintf(stderr, "row_merge_read fd=%d ofs=%lu\n", + fd, (ulong) offset); + } +#endif /* UNIV_DEBUG */ + success = os_file_read_no_error_handling(OS_FILE_FROM_FD(fd), buf, (ulint) (ofs & 0xFFFFFFFF), (ulint) (ofs >> 32), @@ -716,24 +734,28 @@ row_merge_write( { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof(row_merge_block_t); - ibool success; - success = os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, - (ulint) (ofs & 0xFFFFFFFF), - (ulint) (ofs >> 32), - sizeof(row_merge_block_t)); +#ifdef UNIV_DEBUG + if (row_merge_print_block_write) { + fprintf(stderr, "row_merge_write fd=%d ofs=%lu\n", + fd, (ulong) offset); + } +#endif /* UNIV_DEBUG */ /* The block will be needed on the next merge pass, but it can be evicted from the file cache meanwhile. */ posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); - return(UNIV_LIKELY(success)); + return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, + (ulint) (ofs & 0xFFFFFFFF), + (ulint) (ofs >> 32), + sizeof(row_merge_block_t)))); } /********************************************************************//** Read a merge record. @return pointer to next record, or NULL on I/O error or end of list */ -static +static __attribute__((nonnull)) const byte* row_merge_read_rec( /*===============*/ @@ -1085,7 +1107,7 @@ row_merge_cmp( Reads clustered index of the table and create temporary files containing the index entries for the indexes to be built. @return DB_SUCCESS or error */ -static +static __attribute__((nonnull)) ulint row_merge_read_clustered_index( /*===========================*/ @@ -1248,6 +1270,7 @@ row_merge_read_clustered_index( if (UNIV_LIKELY (row && row_merge_buf_add(buf, row, ext))) { + file->n_rec++; continue; } @@ -1289,14 +1312,19 @@ err_exit: UNIV_MEM_INVALID(block[0], sizeof block[0]); merge_buf[i] = row_merge_buf_empty(buf); - /* Try writing the record again, now that - the buffer has been written out and emptied. */ + if (UNIV_LIKELY(row != NULL)) { + /* Try writing the record again, now + that the buffer has been written out + and emptied. */ - if (UNIV_UNLIKELY - (row && !row_merge_buf_add(buf, row, ext))) { - /* An empty buffer should have enough - room for at least one record. */ - ut_error; + if (UNIV_UNLIKELY + (!row_merge_buf_add(buf, row, ext))) { + /* An empty buffer should have enough + room for at least one record. */ + ut_error; + } + + file->n_rec++; } } @@ -1335,7 +1363,7 @@ func_exit: b2 = row_merge_write_rec(&block[2], &buf[2], b2, \ of->fd, &of->offset, \ mrec##N, offsets##N); \ - if (UNIV_UNLIKELY(!b2)) { \ + if (UNIV_UNLIKELY(!b2 || ++of->n_rec > file->n_rec)) { \ goto corrupt; \ } \ b##N = row_merge_read_rec(&block[N], &buf[N], \ @@ -1351,14 +1379,14 @@ func_exit: } while (0) /*************************************************************//** -Merge two blocks of linked lists on disk and write a bigger block. +Merge two blocks of records on disk and write a bigger block. @return DB_SUCCESS or error code */ static ulint row_merge_blocks( /*=============*/ const dict_index_t* index, /*!< in: index being created */ - merge_file_t* file, /*!< in/out: file containing + const merge_file_t* file, /*!< in: file containing index entries */ row_merge_block_t* block, /*!< in/out: 3 buffers */ ulint* foffs0, /*!< in/out: offset of first @@ -1381,6 +1409,17 @@ row_merge_blocks( ulint* offsets0;/* offsets of mrec0 */ ulint* offsets1;/* offsets of mrec1 */ +#ifdef UNIV_DEBUG + if (row_merge_print_block) { + fprintf(stderr, + "row_merge_blocks fd=%d ofs=%lu + fd=%d ofs=%lu" + " = fd=%d ofs=%lu\n", + file->fd, (ulong) *foffs0, + file->fd, (ulong) *foffs1, + of->fd, (ulong) of->offset); + } +#endif /* UNIV_DEBUG */ + heap = row_merge_heap_create(index, &offsets0, &offsets1); /* Write a record and read the next record. Split the output @@ -1452,17 +1491,88 @@ done1: return(b2 ? DB_SUCCESS : DB_CORRUPTION); } +/*************************************************************//** +Copy a block of index entries. +@return TRUE on success, FALSE on failure */ +static __attribute__((nonnull)) +ibool +row_merge_blocks_copy( +/*==================*/ + const dict_index_t* index, /*!< in: index being created */ + const merge_file_t* file, /*!< in: input file */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + ulint* foffs0, /*!< in/out: input file offset */ + merge_file_t* of) /*!< in/out: output file */ +{ + mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ + + mrec_buf_t buf[3]; /*!< buffer for handling + split mrec in block[] */ + const byte* b0; /*!< pointer to block[0] */ + byte* b2; /*!< pointer to block[2] */ + const mrec_t* mrec0; /*!< merge rec, points to block[0] */ + ulint* offsets0;/* offsets of mrec0 */ + ulint* offsets1;/* dummy offsets */ + +#ifdef UNIV_DEBUG + if (row_merge_print_block) { + fprintf(stderr, + "row_merge_blocks_copy fd=%d ofs=%lu" + " = fd=%d ofs=%lu\n", + file->fd, (ulong) foffs0, + of->fd, (ulong) of->offset); + } +#endif /* UNIV_DEBUG */ + + heap = row_merge_heap_create(index, &offsets0, &offsets1); + + /* Write a record and read the next record. Split the output + file in two halves, which can be merged on the following pass. */ + + if (!row_merge_read(file->fd, *foffs0, &block[0])) { +corrupt: + mem_heap_free(heap); + return(FALSE); + } + + b0 = block[0]; + b2 = block[2]; + + b0 = row_merge_read_rec(&block[0], &buf[0], b0, index, file->fd, + foffs0, &mrec0, offsets0); + if (UNIV_UNLIKELY(!b0 && mrec0)) { + + goto corrupt; + } + + if (mrec0) { + /* append all mrec0 to output */ + for (;;) { + ROW_MERGE_WRITE_GET_NEXT(0, goto done0); + } + } +done0: + + /* The file offset points to the beginning of the last page + that has been read. Update it to point to the next block. */ + (*foffs0)++; + + mem_heap_free(heap); + return(row_merge_write_eof(&block[2], b2, of->fd, &of->offset) + != NULL); +} + /*************************************************************//** Merge disk files. @return DB_SUCCESS or error code */ -static +static __attribute__((nonnull)) ulint row_merge( /*======*/ const dict_index_t* index, /*!< in: index being created */ merge_file_t* file, /*!< in/out: file containing index entries */ - ulint half, /*!< in: half the file */ + ulint* half, /*!< in/out: half the file */ row_merge_block_t* block, /*!< in/out: 3 buffers */ int* tmpfd, /*!< in/out: temporary file handle */ TABLE* table) /*!< in/out: MySQL table, for @@ -1473,12 +1583,16 @@ row_merge( ulint foffs1; /*!< second input offset */ ulint error; /*!< error code */ merge_file_t of; /*!< output file */ + const ulint ihalf = *half; + /*!< half the input file */ + ulint ohalf; /*!< half the output file */ UNIV_MEM_ASSERT_W(block[0], 3 * sizeof block[0]); - ut_ad(half > 0); + ut_ad(ihalf < file->offset); of.fd = *tmpfd; of.offset = 0; + of.n_rec = 0; /* The input file will be read sequentially, starting from the beginning and the middle. In Linux, the POSIX_FADV_SEQUENTIAL @@ -1487,35 +1601,63 @@ row_merge( POSIX_FADV_SEQUENTIAL | POSIX_FADV_NOREUSE); /* Merge blocks to the output file. */ + ohalf = 0; foffs0 = 0; - foffs1 = half; + foffs1 = ihalf; + + for (; foffs0 < ihalf && foffs1 < file->offset; foffs0++, foffs1++) { + ulint ahalf; /*!< arithmetic half the input file */ - for (; foffs0 < half && foffs1 < file->offset; foffs0++, foffs1++) { error = row_merge_blocks(index, file, block, &foffs0, &foffs1, &of, table); if (error != DB_SUCCESS) { return(error); } + + /* Record the offset of the output file when + approximately half the output has been generated. In + this way, the next invocation of row_merge() will + spend most of the time in this loop. The initial + estimate is ohalf==0. */ + ahalf = file->offset / 2; + ut_ad(ohalf <= of.offset); + + /* Improve the estimate until reaching half the input + file size, or we can not get any closer to it. All + comparands should be non-negative when !(ohalf < ahalf) + because ohalf <= of.offset. */ + if (ohalf < ahalf || of.offset - ahalf < ohalf - ahalf) { + ohalf = of.offset; + } } - /* Copy the last block, if there is one. */ - while (foffs0 < half) { - if (!row_merge_read(file->fd, foffs0++, block) - || !row_merge_write(of.fd, of.offset++, block)) { + /* Copy the last blocks, if there are any. */ + + while (foffs0 < ihalf) { + if (!row_merge_blocks_copy(index, file, block, &foffs0, &of)) { return(DB_CORRUPTION); } } + + ut_ad(foffs0 == ihalf); + while (foffs1 < file->offset) { - if (!row_merge_read(file->fd, foffs1++, block) - || !row_merge_write(of.fd, of.offset++, block)) { + if (!row_merge_blocks_copy(index, file, block, &foffs1, &of)) { return(DB_CORRUPTION); } } + ut_ad(foffs1 == file->offset); + + if (UNIV_UNLIKELY(of.n_rec != file->n_rec)) { + return(DB_CORRUPTION); + } + /* Swap file descriptors for the next pass. */ *tmpfd = file->fd; *file = of; + *half = ohalf; UNIV_MEM_INVALID(block[0], 3 * sizeof block[0]); @@ -1538,20 +1680,25 @@ row_merge_sort( reporting erroneous key value if applicable */ { - ulint blksz; /*!< block size */ + ulint half = file->offset / 2; - for (blksz = 1; blksz < file->offset; blksz *= 2) { - ulint half; + /* The file should always contain at least one byte (the end + of file marker). Thus, it must be at least one block. */ + ut_ad(file->offset > 0); + + do { ulint error; - ut_ad(ut_is_2pow(blksz)); - half = ut_2pow_round((file->offset + (blksz - 1)) / 2, blksz); - error = row_merge(index, file, half, block, tmpfd, table); + error = row_merge(index, file, &half, block, tmpfd, table); if (error != DB_SUCCESS) { return(error); } - } + + /* half > 0 should hold except when the file consists + of one block. No need to merge further then. */ + ut_ad(half > 0 || file->offset == 1); + } while (half < file->offset && half > 0); return(DB_SUCCESS); } @@ -1930,6 +2077,7 @@ row_merge_file_create( { merge_file->fd = innobase_mysql_tmpfile(); merge_file->offset = 0; + merge_file->n_rec = 0; } /*********************************************************************//** @@ -2150,7 +2298,7 @@ row_merge_rename_tables( if (err != DB_SUCCESS) { err_exit: trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; } diff --git a/row/row0mysql.c b/row/row0mysql.c index b345bb59624..819381fc280 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -510,7 +510,7 @@ handle_new_error: switch (err) { case DB_LOCK_WAIT_TIMEOUT: if (row_rollback_on_timeout) { - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); break; } /* fall through */ @@ -526,7 +526,7 @@ handle_new_error: /* Roll back the latest, possibly incomplete insertion or update */ - trx_general_rollback_for_mysql(trx, TRUE, savept); + trx_general_rollback_for_mysql(trx, savept); } /* MySQL will roll back the latest SQL statement */ break; @@ -548,7 +548,7 @@ handle_new_error: /* Roll back the whole transaction; this resolution was added to version 3.23.43 */ - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); break; case DB_MUST_GET_MORE_FILE_SPACE: @@ -866,18 +866,22 @@ row_update_statistics_if_needed( } /*********************************************************************//** -Unlocks AUTO_INC type locks that were possibly reserved by a trx. */ +Unlocks AUTO_INC type locks that were possibly reserved by a trx. This +function should be called at the the end of an SQL statement, by the +connection thread that owns the transaction (trx->mysql_thd). */ UNIV_INTERN void row_unlock_table_autoinc_for_mysql( /*===============================*/ trx_t* trx) /*!< in/out: transaction */ { - mutex_enter(&kernel_mutex); + if (lock_trx_holds_autoinc_locks(trx)) { + mutex_enter(&kernel_mutex); - lock_release_autoinc_locks(trx); + lock_release_autoinc_locks(trx); - mutex_exit(&kernel_mutex); + mutex_exit(&kernel_mutex); + } } /*********************************************************************//** @@ -1767,7 +1771,6 @@ row_create_table_for_mysql( const char* table_name; ulint table_name_len; ulint err; - ulint i; ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); #ifdef UNIV_SYNC_DEBUG @@ -1802,15 +1805,6 @@ err_exit: goto err_exit; } - /* Check that no reserved column names are used. */ - for (i = 0; i < dict_table_get_n_user_cols(table); i++) { - if (dict_col_name_is_reserved( - dict_table_get_col_name(table, i))) { - - goto err_exit; - } - } - trx_start_if_not_started(trx); /* The table name is prefixed with the database name and a '/'. @@ -1885,7 +1879,7 @@ err_exit: if (UNIV_UNLIKELY(err != DB_SUCCESS)) { trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); } switch (err) { @@ -2053,7 +2047,7 @@ error_handling: trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); row_drop_table_for_mysql(table_name, trx, FALSE); @@ -2121,7 +2115,7 @@ row_table_add_foreign_constraints( trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); row_drop_table_for_mysql(name, trx, FALSE); @@ -2488,7 +2482,7 @@ row_discard_tablespace_for_mysql( if (err != DB_SUCCESS) { trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; } else { dict_table_change_id_in_cache(table, new_id); @@ -2497,7 +2491,7 @@ row_discard_tablespace_for_mysql( if (!success) { trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; err = DB_ERROR; @@ -2949,7 +2943,7 @@ next_rec: if (err != DB_SUCCESS) { trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; ut_print_timestamp(stderr); fputs(" InnoDB: Unable to assign a new identifier to table ", @@ -3590,7 +3584,7 @@ row_delete_constraint( if ((err == DB_SUCCESS) && !strchr(id, '/')) { /* Old format < 4.0.18 constraints have constraint ids - _. We only try deleting them if the + NUMBER_NUMBER. We only try deleting them if the constraint name does not contain a '/' character, otherwise deleting a new format constraint named 'foo/bar' from database 'baz' would remove constraint 'bar' from database @@ -3854,7 +3848,7 @@ end: "InnoDB: succeed.\n", stderr); } trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; } else { /* The following call will also rename the .ibd data file if @@ -3863,7 +3857,7 @@ end: if (!dict_table_rename_in_cache(table, new_name, !new_is_tmp)) { trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; goto funct_exit; } @@ -3903,7 +3897,7 @@ end: ut_a(dict_table_rename_in_cache(table, old_name, FALSE)); trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, FALSE, NULL); + trx_general_rollback_for_mysql(trx, NULL); trx->error_state = DB_SUCCESS; } } diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 632693ea816..643c395dd2c 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -102,6 +102,7 @@ Created 10/8/1995 Heikki Tuuri #include "row0mysql.h" #include "ha_prototypes.h" #include "trx0i_s.h" +#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ /* This is set to TRUE if the MySQL user has set it in MySQL; currently affects only FOREIGN KEY definition parsing */ @@ -298,12 +299,6 @@ UNIV_INTERN ulint srv_buf_pool_flushed = 0; reading of a disk page */ UNIV_INTERN ulint srv_buf_pool_reads = 0; -/** Number of sequential read-aheads */ -UNIV_INTERN ulint srv_read_ahead_seq = 0; - -/** Number of random read-aheads */ -UNIV_INTERN ulint srv_read_ahead_rnd = 0; - /* structure to pass status variables to MySQL */ UNIV_INTERN export_struc export_vars; @@ -470,8 +465,6 @@ static ulint srv_main_background_loops = 0; static ulint srv_main_flush_loops = 0; /* Log writes involving flush. */ static ulint srv_log_writes_and_flush = 0; -/* Log writes not including flush. */ -static ulint srv_log_buffer_writes = 0; /* This is only ever touched by the master thread. It records the time when the last flush of log file has happened. The master @@ -620,7 +613,7 @@ future, but at the moment we plan to implement a more coarse solution, which could be called a global priority inheritance. If a thread has to wait for a long time, say 300 milliseconds, for a resource, we just guess that it may be waiting for a resource owned by a background -thread, and boost the the priority of all runnable background threads +thread, and boost the priority of all runnable background threads to the normal level. The background threads then themselves adjust their fixed priority back to background after releasing all resources they had (or, at some fixed points in their program code). @@ -720,9 +713,8 @@ srv_print_master_thread_info( srv_main_1_second_loops, srv_main_sleeps, srv_main_10_second_loops, srv_main_background_loops, srv_main_flush_loops); - fprintf(file, "srv_master_thread log flush and writes: %lu " - " log writes only: %lu\n", - srv_log_writes_and_flush, srv_log_buffer_writes); + fprintf(file, "srv_master_thread log flush and writes: %lu\n", + srv_log_writes_and_flush); } /*********************************************************************//** @@ -1883,14 +1875,16 @@ srv_export_innodb_status(void) export_vars.innodb_data_reads = os_n_file_reads; export_vars.innodb_data_writes = os_n_file_writes; export_vars.innodb_data_written = srv_data_written; - export_vars.innodb_buffer_pool_read_requests = buf_pool->n_page_gets; + export_vars.innodb_buffer_pool_read_requests = buf_pool->stat.n_page_gets; export_vars.innodb_buffer_pool_write_requests = srv_buf_pool_write_requests; export_vars.innodb_buffer_pool_wait_free = srv_buf_pool_wait_free; export_vars.innodb_buffer_pool_pages_flushed = srv_buf_pool_flushed; export_vars.innodb_buffer_pool_reads = srv_buf_pool_reads; - export_vars.innodb_buffer_pool_read_ahead_rnd = srv_read_ahead_rnd; - export_vars.innodb_buffer_pool_read_ahead_seq = srv_read_ahead_seq; + export_vars.innodb_buffer_pool_read_ahead + = buf_pool->stat.n_ra_pages_read; + export_vars.innodb_buffer_pool_read_ahead_evicted + = buf_pool->stat.n_ra_pages_evicted; export_vars.innodb_buffer_pool_pages_data = UT_LIST_GET_LEN(buf_pool->LRU); export_vars.innodb_buffer_pool_pages_dirty @@ -1921,9 +1915,9 @@ srv_export_innodb_status(void) export_vars.innodb_log_writes = srv_log_writes; export_vars.innodb_dblwr_pages_written = srv_dblwr_pages_written; export_vars.innodb_dblwr_writes = srv_dblwr_writes; - export_vars.innodb_pages_created = buf_pool->n_pages_created; - export_vars.innodb_pages_read = buf_pool->n_pages_read; - export_vars.innodb_pages_written = buf_pool->n_pages_written; + export_vars.innodb_pages_created = buf_pool->stat.n_pages_created; + export_vars.innodb_pages_read = buf_pool->stat.n_pages_read; + export_vars.innodb_pages_written = buf_pool->stat.n_pages_written; export_vars.innodb_row_lock_waits = srv_n_lock_wait_count; export_vars.innodb_row_lock_current_waits = srv_n_lock_wait_current_count; @@ -2290,12 +2284,6 @@ srv_sync_log_buffer_in_background(void) log_buffer_sync_in_background(TRUE); srv_last_log_flush_time = current_time; srv_log_writes_and_flush++; - } else { - /* Actually we don't need to write logs here. - We are just being extra safe here by forcing - the log buffer to log file. */ - log_buffer_sync_in_background(FALSE); - srv_log_buffer_writes++; } } @@ -2346,8 +2334,8 @@ loop: srv_main_thread_op_info = "reserving kernel mutex"; - n_ios_very_old = log_sys->n_log_ios + buf_pool->n_pages_read - + buf_pool->n_pages_written; + n_ios_very_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; mutex_enter(&kernel_mutex); /* Store the user activity counter at the start of this loop */ @@ -2367,8 +2355,8 @@ loop: skip_sleep = FALSE; for (i = 0; i < 10; i++) { - n_ios_old = log_sys->n_log_ios + buf_pool->n_pages_read - + buf_pool->n_pages_written; + n_ios_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; srv_main_thread_op_info = "sleeping"; srv_main_1_second_loops++; @@ -2407,8 +2395,8 @@ loop: n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->n_pages_read - + buf_pool->n_pages_written; + n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; if (n_pend_ios < SRV_PEND_IO_THRESHOLD && (n_ios - n_ios_old < SRV_RECENT_IO_ACTIVITY)) { srv_main_thread_op_info = "doing insert buffer merge"; @@ -2424,6 +2412,8 @@ loop: /* Try to keep the number of modified pages in the buffer pool under the limit wished by the user */ + srv_main_thread_op_info = + "flushing buffer pool pages"; n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, PCT_IO(100), IB_ULONGLONG_MAX); @@ -2442,6 +2432,8 @@ loop: ulint n_flush = buf_flush_get_desired_flush_rate(); if (n_flush) { + srv_main_thread_op_info = + "flushing buffer pool pages"; n_flush = ut_min(PCT_IO(100), n_flush); n_pages_flushed = buf_flush_batch( @@ -2479,8 +2471,8 @@ loop: are not required, and may be disabled. */ n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->n_pages_read - + buf_pool->n_pages_written; + n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; srv_main_10_second_loops++; if (n_pend_ios < SRV_PEND_IO_THRESHOLD diff --git a/srv/srv0start.c b/srv/srv0start.c index 36510a8de80..c5d790b8164 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -103,6 +103,7 @@ Created 2/16/1996 Heikki Tuuri # include "row0row.h" # include "row0mysql.h" # include "btr0pcur.h" +# include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ /** Log sequence number immediately after startup */ UNIV_INTERN ib_uint64_t srv_start_lsn; @@ -1096,6 +1097,10 @@ innobase_start_or_create_for_mysql(void) "InnoDB: !!!!!!!! UNIV_SEARCH_DEBUG switched on !!!!!!!!!\n"); #endif +#ifdef UNIV_LOG_LSN_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_LOG_LSN_DEBUG switched on !!!!!!!!!\n"); +#endif /* UNIV_LOG_LSN_DEBUG */ #ifdef UNIV_MEM_DEBUG fprintf(stderr, "InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n"); @@ -1106,34 +1111,7 @@ innobase_start_or_create_for_mysql(void) "InnoDB: The InnoDB memory heap is disabled\n"); } -#ifdef HAVE_GCC_ATOMIC_BUILTINS -# ifdef INNODB_RW_LOCKS_USE_ATOMICS - fprintf(stderr, - "InnoDB: Mutexes and rw_locks use GCC atomic builtins.\n"); -# else /* INNODB_RW_LOCKS_USE_ATOMICS */ - fprintf(stderr, - "InnoDB: Mutexes use GCC atomic builtins, rw_locks do not.\n"); -# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -#elif defined(HAVE_SOLARIS_ATOMICS) -# ifdef INNODB_RW_LOCKS_USE_ATOMICS - fprintf(stderr, - "InnoDB: Mutexes and rw_locks use Solaris atomic functions.\n"); -# else - fprintf(stderr, - "InnoDB: Mutexes use Solaris atomic functions.\n"); -# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -#elif HAVE_WINDOWS_ATOMICS -# ifdef INNODB_RW_LOCKS_USE_ATOMICS - fprintf(stderr, - "InnoDB: Mutexes and rw_locks use Windows interlocked functions.\n"); -# else - fprintf(stderr, - "InnoDB: Mutexes use Windows interlocked functions.\n"); -# endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -#else /* HAVE_GCC_ATOMIC_BUILTINS */ - fprintf(stderr, - "InnoDB: Neither mutexes nor rw_locks use GCC atomic builtins.\n"); -#endif /* HAVE_GCC_ATOMIC_BUILTINS */ + fprintf(stderr, "InnoDB: %s\n", IB_ATOMICS_STARTUP_MSG); /* Since InnoDB does not currently clean up all its internal data structures in MySQL Embedded Server Library server_end(), we @@ -1846,7 +1824,7 @@ innobase_start_or_create_for_mysql(void) /* Actually, we did not change the undo log format between 4.0 and 4.1.1, and we would not need to run purge to completion. Note also that the purge algorithm in 4.1.1 - can process the the history list again even after a full + can process the history list again even after a full purge, because our algorithm does not cut the end of the history list in all cases so that it would become empty after a full purge. That mean that we may purge 4.0 type diff --git a/sync/sync0rw.c b/sync/sync0rw.c index 0ed114e330c..d231b6acdf7 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -38,6 +38,7 @@ Created 9/11/1995 Heikki Tuuri #include "os0thread.h" #include "mem0mem.h" #include "srv0srv.h" +#include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ /* IMPLEMENTATION OF THE RW_LOCK diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 84ed08e14e7..5ad143075a7 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -39,6 +39,7 @@ Created 9/5/1995 Heikki Tuuri #include "buf0buf.h" #include "srv0srv.h" #include "buf0types.h" +#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ /* REASONS FOR IMPLEMENTING THE SPIN LOCK MUTEX @@ -849,7 +850,8 @@ sync_thread_levels_g( /*=================*/ sync_level_t* arr, /*!< in: pointer to level array for an OS thread */ - ulint limit) /*!< in: level limit */ + ulint limit, /*!< in: level limit */ + ulint warn) /*!< in: TRUE=display a diagnostic message */ { sync_level_t* slot; rw_lock_t* lock; @@ -863,6 +865,11 @@ sync_thread_levels_g( if (slot->latch != NULL) { if (slot->level <= limit) { + if (!warn) { + + return(FALSE); + } + lock = slot->latch; mutex = slot->latch; @@ -1100,7 +1107,7 @@ sync_thread_add_level( case SYNC_DICT_HEADER: case SYNC_TRX_I_S_RWLOCK: case SYNC_TRX_I_S_LAST_READ: - if (!sync_thread_levels_g(array, level)) { + if (!sync_thread_levels_g(array, level, TRUE)) { fprintf(stderr, "InnoDB: sync_thread_levels_g(array, %lu)" " does not hold!\n", level); @@ -1111,36 +1118,44 @@ sync_thread_add_level( /* Either the thread must own the buffer pool mutex (buf_pool_mutex), or it is allowed to latch only ONE buffer block (block->mutex or buf_pool_zip_mutex). */ - if (!sync_thread_levels_g(array, level)) { - ut_a(sync_thread_levels_g(array, level - 1)); + if (!sync_thread_levels_g(array, level, FALSE)) { + ut_a(sync_thread_levels_g(array, level - 1, TRUE)); ut_a(sync_thread_levels_contain(array, SYNC_BUF_POOL)); } break; case SYNC_REC_LOCK: - ut_a((sync_thread_levels_contain(array, SYNC_KERNEL) - && sync_thread_levels_g(array, SYNC_REC_LOCK - 1)) - || sync_thread_levels_g(array, SYNC_REC_LOCK)); + if (sync_thread_levels_contain(array, SYNC_KERNEL)) { + ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK, TRUE)); + } break; case SYNC_IBUF_BITMAP: /* Either the thread must own the master mutex to all the bitmap pages, or it is allowed to latch only ONE bitmap page. */ - ut_a((sync_thread_levels_contain(array, SYNC_IBUF_BITMAP_MUTEX) - && sync_thread_levels_g(array, SYNC_IBUF_BITMAP - 1)) - || sync_thread_levels_g(array, SYNC_IBUF_BITMAP)); + if (sync_thread_levels_contain(array, + SYNC_IBUF_BITMAP_MUTEX)) { + ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP, + TRUE)); + } break; case SYNC_FSP_PAGE: ut_a(sync_thread_levels_contain(array, SYNC_FSP)); break; case SYNC_FSP: ut_a(sync_thread_levels_contain(array, SYNC_FSP) - || sync_thread_levels_g(array, SYNC_FSP)); + || sync_thread_levels_g(array, SYNC_FSP, TRUE)); break; case SYNC_TRX_UNDO_PAGE: ut_a(sync_thread_levels_contain(array, SYNC_TRX_UNDO) || sync_thread_levels_contain(array, SYNC_RSEG) || sync_thread_levels_contain(array, SYNC_PURGE_SYS) - || sync_thread_levels_g(array, SYNC_TRX_UNDO_PAGE)); + || sync_thread_levels_g(array, SYNC_TRX_UNDO_PAGE, TRUE)); break; case SYNC_RSEG_HEADER: ut_a(sync_thread_levels_contain(array, SYNC_RSEG)); @@ -1152,37 +1167,41 @@ sync_thread_add_level( case SYNC_TREE_NODE: ut_a(sync_thread_levels_contain(array, SYNC_INDEX_TREE) || sync_thread_levels_contain(array, SYNC_DICT_OPERATION) - || sync_thread_levels_g(array, SYNC_TREE_NODE - 1)); + || sync_thread_levels_g(array, SYNC_TREE_NODE - 1, TRUE)); break; case SYNC_TREE_NODE_NEW: ut_a(sync_thread_levels_contain(array, SYNC_FSP_PAGE) || sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); break; case SYNC_INDEX_TREE: - ut_a((sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) - && sync_thread_levels_contain(array, SYNC_FSP) - && sync_thread_levels_g(array, SYNC_FSP_PAGE - 1)) - || sync_thread_levels_g(array, SYNC_TREE_NODE - 1)); + if (sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) + && sync_thread_levels_contain(array, SYNC_FSP)) { + ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_TREE_NODE - 1, + TRUE)); + } break; case SYNC_IBUF_MUTEX: - ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1)); + ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, TRUE)); break; case SYNC_IBUF_PESS_INSERT_MUTEX: - ut_a(sync_thread_levels_g(array, SYNC_FSP - 1) - && !sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); + ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); break; case SYNC_IBUF_HEADER: - ut_a(sync_thread_levels_g(array, SYNC_FSP - 1) - && !sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) - && !sync_thread_levels_contain( - array, SYNC_IBUF_PESS_INSERT_MUTEX)); + ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); + ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + ut_a(!sync_thread_levels_contain(array, + SYNC_IBUF_PESS_INSERT_MUTEX)); break; case SYNC_DICT: #ifdef UNIV_DEBUG ut_a(buf_debug_prints - || sync_thread_levels_g(array, SYNC_DICT)); + || sync_thread_levels_g(array, SYNC_DICT, TRUE)); #else /* UNIV_DEBUG */ - ut_a(sync_thread_levels_g(array, SYNC_DICT)); + ut_a(sync_thread_levels_g(array, SYNC_DICT, TRUE)); #endif /* UNIV_DEBUG */ break; default: diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 18f7b0707bd..49275be1d7d 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -62,7 +62,7 @@ struct thr_local_struct{ os_thread_t handle; /*!< operating system handle to the thread */ ulint slot_no;/*!< the index of the slot in the thread table for this thread */ - ibool in_ibuf;/*!< TRUE if the the thread is doing an ibuf + ibool in_ibuf;/*!< TRUE if the thread is doing an ibuf operation */ hash_node_t hash; /*!< hash chain node */ ulint magic_n;/*!< magic number (THR_LOCAL_MAGIC_N) */ diff --git a/trx/trx0rec.c b/trx/trx0rec.c index 36911c9df85..5097cf18dcd 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -1333,7 +1333,7 @@ trx_undo_get_undo_rec_low( ulint rseg_id; ulint page_no; ulint offset; - page_t* undo_page; + const page_t* undo_page; trx_rseg_t* rseg; ibool is_insert; mtr_t mtr; @@ -1572,7 +1572,7 @@ trx_undo_prev_version_build( /* We have to set the appropriate extern storage bits in the old version of the record: the extern bits in rec for those - fields that update does NOT update, as well as the the bits for + fields that update does NOT update, as well as the bits for those fields that update updates to become externally stored fields. Store the info: */ diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 51d17192d5b..c925478cdf4 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -66,9 +66,9 @@ int trx_general_rollback_for_mysql( /*===========================*/ trx_t* trx, /*!< in: transaction handle */ - ibool partial,/*!< in: TRUE if partial rollback requested */ trx_savept_t* savept) /*!< in: pointer to savepoint undo number, if - partial rollback requested */ + partial rollback requested, or NULL for + complete rollback */ { mem_heap_t* heap; que_thr_t* thr; @@ -85,9 +85,8 @@ trx_general_rollback_for_mysql( roll_node = roll_node_create(heap); - roll_node->partial = partial; - - if (partial) { + if (savept) { + roll_node->partial = TRUE; roll_node->savept = *savept; } @@ -145,7 +144,7 @@ trx_rollback_for_mysql( the transaction object does not have an InnoDB session object, and we set a dummy session that we use for all MySQL transactions. */ - err = trx_general_rollback_for_mysql(trx, FALSE, NULL); + err = trx_general_rollback_for_mysql(trx, NULL); trx->op_info = ""; @@ -170,8 +169,7 @@ trx_rollback_last_sql_stat_for_mysql( trx->op_info = "rollback of SQL statement"; - err = trx_general_rollback_for_mysql(trx, TRUE, - &(trx->last_sql_stat_start)); + err = trx_general_rollback_for_mysql(trx, &trx->last_sql_stat_start); /* The following call should not be needed, but we play safe: */ trx_mark_sql_stat_end(trx); @@ -282,7 +280,7 @@ trx_rollback_to_savepoint_for_mysql( trx->op_info = "rollback to a savepoint"; - err = trx_general_rollback_for_mysql(trx, TRUE, &(savep->savept)); + err = trx_general_rollback_for_mysql(trx, &savep->savept); /* Store the current undo_no of the transaction so that we know where to roll back if we have to roll back the next SQL statement: */ @@ -534,28 +532,26 @@ trx_rollback_active( Rollback or clean up any incomplete transactions which were encountered in crash recovery. If the transaction already was committed, then we clean up a possible insert undo log. If the -transaction was not yet committed, then we roll it back. -Note: this is done in a background thread. -@return a dummy parameter */ +transaction was not yet committed, then we roll it back. */ UNIV_INTERN -os_thread_ret_t -trx_rollback_or_clean_all_recovered( -/*================================*/ - void* arg __attribute__((unused))) - /*!< in: a dummy parameter required by - os_thread_create */ +void +trx_rollback_or_clean_recovered( +/*============================*/ + ibool all) /*!< in: FALSE=roll back dictionary transactions; + TRUE=roll back all non-PREPARED transactions */ { trx_t* trx; mutex_enter(&kernel_mutex); - if (UT_LIST_GET_FIRST(trx_sys->trx_list)) { + if (!UT_LIST_GET_FIRST(trx_sys->trx_list)) { + goto leave_function; + } + if (all) { fprintf(stderr, "InnoDB: Starting in background the rollback" " of uncommitted transactions\n"); - } else { - goto leave_function; } mutex_exit(&kernel_mutex); @@ -584,18 +580,42 @@ loop: goto loop; case TRX_ACTIVE: - mutex_exit(&kernel_mutex); - trx_rollback_active(trx); - goto loop; + if (all || trx_get_dict_operation(trx) + != TRX_DICT_OP_NONE) { + mutex_exit(&kernel_mutex); + trx_rollback_active(trx); + goto loop; + } } } - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Rollback of non-prepared transactions completed\n"); + if (all) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Rollback of non-prepared" + " transactions completed\n"); + } leave_function: mutex_exit(&kernel_mutex); +} + +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. +Note: this is done in a background thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +trx_rollback_or_clean_all_recovered( +/*================================*/ + void* arg __attribute__((unused))) + /*!< in: a dummy parameter required by + os_thread_create */ +{ + trx_rollback_or_clean_recovered(TRUE); /* We count the number of threads in os_thread_exit(). A created thread should always use that to exit and not use return() to exit. */ diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 4d4885062a6..1e36a2e4fe7 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -950,7 +950,7 @@ trx_commit_off_kernel( /****************************************************************//** Cleans up a transaction at database startup. The cleanup is needed if the transaction already got to the middle of a commit when the database -crashed, andf we cannot roll it back. */ +crashed, and we cannot roll it back. */ UNIV_INTERN void trx_cleanup_at_db_startup( diff --git a/ut/ut0auxconf_atomic_pthread_t_solaris.c b/ut/ut0auxconf_atomic_pthread_t_solaris.c index a18a537d1d4..310603c7503 100644 --- a/ut/ut0auxconf_atomic_pthread_t_solaris.c +++ b/ut/ut0auxconf_atomic_pthread_t_solaris.c @@ -17,18 +17,38 @@ Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ /***************************************************************************** -If this program compiles, then pthread_t objects can be used as arguments -to Solaris libc atomic functions. +If this program compiles and returns 0, then pthread_t objects can be used as +arguments to Solaris libc atomic functions. Created April 18, 2009 Vasil Dimov *****************************************************************************/ #include +#include int main(int argc, char** argv) { - pthread_t x = 0; + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } return(0); } diff --git a/ut/ut0auxconf_have_gcc_atomics.c b/ut/ut0auxconf_have_gcc_atomics.c new file mode 100644 index 00000000000..da5c13d7d79 --- /dev/null +++ b/ut/ut0auxconf_have_gcc_atomics.c @@ -0,0 +1,61 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles and returns 0, then GCC atomic funcions are available. + +Created September 12, 2009 Vasil Dimov +*****************************************************************************/ + +int +main(int argc, char** argv) +{ + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + + return(0); +} diff --git a/ut/ut0auxconf_pause.c b/ut/ut0auxconf_pause.c new file mode 100644 index 00000000000..54d63bdd9bc --- /dev/null +++ b/ut/ut0auxconf_pause.c @@ -0,0 +1,32 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles and can be run and returns 0, then the pause +instruction is available. + +Created Jul 21, 2009 Vasil Dimov +*****************************************************************************/ + +int +main(int argc, char** argv) +{ + __asm__ __volatile__ ("pause"); + + return(0); +} diff --git a/ut/ut0ut.c b/ut/ut0ut.c index e4cc226fbad..498873e290a 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -132,6 +132,7 @@ ut_time(void) return(time(NULL)); } +#ifndef UNIV_HOTBACKUP /**********************************************************//** Returns system time. Upon successful completion, the value 0 is returned; otherwise the @@ -199,6 +200,24 @@ ut_time_us( return(us); } +/**********************************************************//** +Returns the number of milliseconds since some epoch. The +value may wrap around. It should only be used for heuristic +purposes. +@return ms since epoch */ +UNIV_INTERN +ulint +ut_time_ms(void) +/*============*/ +{ + struct timeval tv; + + ut_gettimeofday(&tv, NULL); + + return((ulint) tv.tv_sec * 1000 + tv.tv_usec / 1000); +} +#endif /* !UNIV_HOTBACKUP */ + /**********************************************************//** Returns the difference of two times in seconds. @return time2 - time1 expressed in seconds */ diff --git a/win-plugin/README b/win-plugin/README deleted file mode 100644 index 00f4e996a3f..00000000000 --- a/win-plugin/README +++ /dev/null @@ -1,22 +0,0 @@ -This directory contains patches that need to be applied to the MySQL -source tree in order to build the dynamic plugin on Windows -- -HA_INNODB.DLL. Please note the followings when adding the patches: - -* The patch must be applied from the mysql top-level source directory. - patch -p0 < win-plugin.diff -* The patch filenames end in ".diff". -* All patches here are expected to apply cleanly to the latest MySQL 5.1 - tree when storage/innobase is replaced with this InnoDB branch. - -When applying the patch, the following files will be modified: - - * CMakeLists.txt - * sql/CMakeLists.txt - * win/configure.js - -Also, two new files will be added: - - * sql/mysqld.def - * sql/mysqld_x64.def - -You can get "patch" utility for Windows from http://unxutils.sourceforge.net/ diff --git a/win-plugin/win-plugin.diff b/win-plugin/win-plugin.diff deleted file mode 100644 index 4b3354ac4de..00000000000 --- a/win-plugin/win-plugin.diff +++ /dev/null @@ -1,279 +0,0 @@ -diff -Nur CMakeLists.txt.orig CMakeLists.txt ---- CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 -+++ CMakeLists.txt 2008-09-26 17:32:51 -05:00 -@@ -254,9 +254,9 @@ - IF(WITH_FEDERATED_STORAGE_ENGINE) - ADD_SUBDIRECTORY(storage/federated) - ENDIF(WITH_FEDERATED_STORAGE_ENGINE) --IF(WITH_INNOBASE_STORAGE_ENGINE) -+IF(WITH_INNOBASE_STORAGE_ENGINE OR INNODB_DYNAMIC_PLUGIN) - ADD_SUBDIRECTORY(storage/innobase) --ENDIF(WITH_INNOBASE_STORAGE_ENGINE) -+ENDIF(WITH_INNOBASE_STORAGE_ENGINE OR INNODB_DYNAMIC_PLUGIN) - ADD_SUBDIRECTORY(sql) - ADD_SUBDIRECTORY(server-tools/instance-manager) - ADD_SUBDIRECTORY(libmysql) - -diff -Nur sql/CMakeLists.txt.orig sql/CMakeLists.txt ---- sql/CMakeLists.txt.orig 2008-10-03 12:25:41 -05:00 -+++ sql/CMakeLists.txt 2008-09-24 03:58:19 -05:00 -@@ -98,6 +98,15 @@ - LINK_FLAGS "/PDB:${CMAKE_CFG_INTDIR}/mysqld${MYSQLD_EXE_SUFFIX}.pdb") - ENDIF(cmake_version EQUAL 20406) - -+# Checks for 64-bit version -+IF(CMAKE_SIZEOF_VOID_P MATCHES 8) -+SET_TARGET_PROPERTIES(mysqld PROPERTIES -+ LINK_FLAGS "/def:\"${PROJECT_SOURCE_DIR}/sql/mysqld_x64.def\"") -+ELSE(CMAKE_SIZEOF_VOID_P MATCHES 8) -+SET_TARGET_PROPERTIES(mysqld PROPERTIES -+ LINK_FLAGS "/def:\"${PROJECT_SOURCE_DIR}/sql/mysqld.def\"") -+ENDIF(CMAKE_SIZEOF_VOID_P MATCHES 8) -+ - IF(EMBED_MANIFESTS) - MYSQL_EMBED_MANIFEST("mysqld" "asInvoker") - ENDIF(EMBED_MANIFESTS) - -diff -Nur sql/mysqld.def.orig sql/mysqld.def ---- sql/mysqld.def.orig 1969-12-31 18:00:00 -06:00 -+++ sql/mysqld.def 2009-04-09 02:20:32 -05:00 -@@ -0,0 +1,111 @@ -+EXPORTS -+ ?use_hidden_primary_key@handler@@UAEXXZ -+ ?get_dynamic_partition_info@handler@@UAEXPAUPARTITION_INFO@@I@Z -+ ?read_first_row@handler@@UAEHPAEI@Z -+ ?read_range_next@handler@@UAEHXZ -+ ?read_range_first@handler@@UAEHPBUst_key_range@@0_N1@Z -+ ?read_multi_range_first@handler@@UAEHPAPAUst_key_multi_range@@PAU2@I_NPAUst_handler_buffer@@@Z -+ ?read_multi_range_next@handler@@UAEHPAPAUst_key_multi_range@@@Z -+ ?index_read_idx_map@handler@@UAEHPAEIPBEKW4ha_rkey_function@@@Z -+ ?print_error@handler@@UAEXHH@Z -+ ?clone@handler@@UAEPAV1@PAUst_mem_root@@@Z -+ ?get_auto_increment@handler@@UAEX_K00PA_K1@Z -+ ?index_next_same@handler@@UAEHPAEPBEI@Z -+ ?get_error_message@handler@@UAE_NHPAVString@@@Z -+ ?ha_thd@handler@@IBEPAVTHD@@XZ -+ ?update_auto_increment@handler@@QAEHXZ -+ ?ha_statistic_increment@handler@@IBEXPQsystem_status_var@@K@Z -+ ?trans_register_ha@@YAXPAVTHD@@_NPAUhandlerton@@@Z -+ ?cmp@Field_blob@@QAEHPBEI0I@Z -+ ?set_time@Field_timestamp@@QAEXXZ -+ ?sql_print_error@@YAXPBDZZ -+ ?sql_print_warning@@YAXPBDZZ -+ ?check_global_access@@YA_NPAVTHD@@K@Z -+ ?schema_table_store_record@@YA_NPAVTHD@@PAUst_table@@@Z -+ ?get_quote_char_for_identifier@@YAHPAVTHD@@PBDI@Z -+ ?copy@String@@QAE_NXZ -+ ?copy@String@@QAE_NABV1@@Z -+ ?copy@String@@QAE_NPBDIPAUcharset_info_st@@@Z -+ ?copy_and_convert@@YAIPADIPAUcharset_info_st@@PBDI1PAI@Z -+ ?filename_to_tablename@@YAIPBDPADI@Z -+ ?strconvert@@YAIPAUcharset_info_st@@PBD0PADIPAI@Z -+ ?calculate_key_len@@YAIPAUst_table@@IPBEK@Z -+ ?sql_alloc@@YAPAXI@Z -+ ?localtime_to_TIME@@YAXPAUst_mysql_time@@PAUtm@@@Z -+ ?push_warning@@YAPAVMYSQL_ERROR@@PAVTHD@@W4enum_warning_level@1@IPBD@Z -+ ?push_warning_printf@@YAXPAVTHD@@W4enum_warning_level@MYSQL_ERROR@@IPBDZZ -+ ?drop_table@handler@@EAEXPBD@Z -+ ?column_bitmaps_signal@handler@@UAEXXZ -+ ?delete_table@handler@@MAEHPBD@Z -+ ?rename_table@handler@@MAEHPBD0@Z -+ ?key_map_empty@@3V?$Bitmap@$0EA@@@B -+ ?THR_THD@@3PAVTHD@@A -+ ?end_of_list@@3Ulist_node@@A -+ ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A -+ mysql_query_cache_invalidate4 -+ thd_query -+ thd_sql_command -+ thd_get_thread_id -+ thd_get_xid -+ thd_slave_thread -+ thd_non_transactional_update -+ thd_mark_transaction_to_rollback -+ thd_security_context -+ thd_charset -+ thd_test_options -+ thd_ha_data -+ thd_killed -+ thd_tx_isolation -+ thd_tablespace_op -+ thd_sql_command -+ thd_memdup -+ thd_make_lex_string -+ thd_in_lock_tables -+ thd_binlog_format -+ _my_hash_init -+ my_hash_free -+ my_tmpdir -+ check_if_legal_filename -+ my_filename -+ my_sync_dir_by_file -+ alloc_root -+ thr_lock_data_init -+ thr_lock_init -+ thr_lock_delete -+ my_multi_malloc -+ get_charset -+ unpack_filename -+ my_hash_insert -+ my_hash_search -+ my_hash_delete -+ mysql_bin_log_file_pos -+ mysql_bin_log_file_name -+ mysqld_embedded -+ my_thread_name -+ my_malloc -+ my_no_flags_free -+ _sanity -+ _mymalloc -+ _myfree -+ _my_strdup -+ _my_thread_var -+ my_error -+ pthread_cond_init -+ pthread_cond_signal -+ pthread_cond_wait -+ pthread_cond_destroy -+ localtime_r -+ my_strdup -+ deflate -+ deflateEnd -+ deflateReset -+ deflateInit2_ -+ inflateEnd -+ inflateInit_ -+ inflate -+ compressBound -+ inflateInit2_ -+ adler32 -+ longlong2str -+ strend -+ my_snprintf - -diff -Nur sql/mysqld_x64.def.orig sql/mysqld_x64.def ---- sql/mysqld_x64.def.orig 1969-12-31 18:00:00 -06:00 -+++ sql/mysqld_x64.def 2009-04-09 02:22:04 -05:00 -@@ -0,0 +1,111 @@ -+EXPORTS -+ ?use_hidden_primary_key@handler@@UEAAXXZ -+ ?get_dynamic_partition_info@handler@@UEAAXPEAUPARTITION_INFO@@I@Z -+ ?read_first_row@handler@@UEAAHPEAEI@Z -+ ?read_range_next@handler@@UEAAHXZ -+ ?read_range_first@handler@@UEAAHPEBUst_key_range@@0_N1@Z -+ ?read_multi_range_first@handler@@UEAAHPEAPEAUst_key_multi_range@@PEAU2@I_NPEAUst_handler_buffer@@@Z -+ ?read_multi_range_next@handler@@UEAAHPEAPEAUst_key_multi_range@@@Z -+ ?index_read_idx_map@handler@@UEAAHPEAEIPEBEKW4ha_rkey_function@@@Z -+ ?print_error@handler@@UEAAXHH@Z -+ ?clone@handler@@UEAAPEAV1@PEAUst_mem_root@@@Z -+ ?get_auto_increment@handler@@UEAAX_K00PEA_K1@Z -+ ?index_next_same@handler@@UEAAHPEAEPEBEI@Z -+ ?get_error_message@handler@@UEAA_NHPEAVString@@@Z -+ ?ha_thd@handler@@IEBAPEAVTHD@@XZ -+ ?update_auto_increment@handler@@QEAAHXZ -+ ?ha_statistic_increment@handler@@IEBAXPEQsystem_status_var@@K@Z -+ ?trans_register_ha@@YAXPEAVTHD@@_NPEAUhandlerton@@@Z -+ ?cmp@Field_blob@@QEAAHPEBEI0I@Z -+ ?set_time@Field_timestamp@@QEAAXXZ -+ ?sql_print_error@@YAXPEBDZZ -+ ?sql_print_warning@@YAXPEBDZZ -+ ?check_global_access@@YA_NPEAVTHD@@K@Z -+ ?schema_table_store_record@@YA_NPEAVTHD@@PEAUst_table@@@Z -+ ?get_quote_char_for_identifier@@YAHPEAVTHD@@PEBDI@Z -+ ?copy@String@@QEAA_NXZ -+ ?copy@String@@QEAA_NAEBV1@@Z -+ ?copy@String@@QEAA_NPEBDIPEAUcharset_info_st@@@Z -+ ?copy_and_convert@@YAIPEADIPEAUcharset_info_st@@PEBDI1PEAI@Z -+ ?filename_to_tablename@@YAIPEBDPEADI@Z -+ ?strconvert@@YAIPEAUcharset_info_st@@PEBD0PEADIPEAI@Z -+ ?calculate_key_len@@YAIPEAUst_table@@IPEBEK@Z -+ ?sql_alloc@@YAPEAX_K@Z -+ ?localtime_to_TIME@@YAXPEAUst_mysql_time@@PEAUtm@@@Z -+ ?push_warning@@YAPEAVMYSQL_ERROR@@PEAVTHD@@W4enum_warning_level@1@IPEBD@Z -+ ?push_warning_printf@@YAXPEAVTHD@@W4enum_warning_level@MYSQL_ERROR@@IPEBDZZ -+ ?drop_table@handler@@EEAAXPEBD@Z -+ ?column_bitmaps_signal@handler@@UEAAXXZ -+ ?delete_table@handler@@MEAAHPEBD@Z -+ ?rename_table@handler@@MEAAHPEBD0@Z -+ ?key_map_empty@@3V?$Bitmap@$0EA@@@B -+ ?THR_THD@@3PEAVTHD@@EA -+ ?end_of_list@@3Ulist_node@@A -+ ?mysql_tmpdir_list@@3Ust_my_tmpdir@@A -+ mysql_query_cache_invalidate4 -+ thd_query -+ thd_sql_command -+ thd_get_thread_id -+ thd_get_xid -+ thd_slave_thread -+ thd_non_transactional_update -+ thd_mark_transaction_to_rollback -+ thd_security_context -+ thd_charset -+ thd_test_options -+ thd_ha_data -+ thd_killed -+ thd_tx_isolation -+ thd_tablespace_op -+ thd_sql_command -+ thd_memdup -+ thd_make_lex_string -+ thd_in_lock_tables -+ thd_binlog_format -+ _my_hash_init -+ my_hash_free -+ my_tmpdir -+ check_if_legal_filename -+ my_filename -+ my_sync_dir_by_file -+ alloc_root -+ thr_lock_data_init -+ thr_lock_init -+ thr_lock_delete -+ my_multi_malloc -+ get_charset -+ unpack_filename -+ my_hash_insert -+ my_hash_search -+ my_hash_delete -+ mysql_bin_log_file_pos -+ mysql_bin_log_file_name -+ mysqld_embedded -+ my_thread_name -+ my_malloc -+ my_no_flags_free -+ _sanity -+ _mymalloc -+ _myfree -+ _my_strdup -+ _my_thread_var -+ my_error -+ pthread_cond_init -+ pthread_cond_signal -+ pthread_cond_wait -+ pthread_cond_destroy -+ localtime_r -+ my_strdup -+ deflate -+ deflateEnd -+ deflateReset -+ deflateInit2_ -+ inflateEnd -+ inflateInit_ -+ inflate -+ compressBound -+ inflateInit2_ -+ adler32 -+ longlong2str -+ strend -+ my_snprintf - -diff -Nur win/configure.js.orig win/configure.js ---- win/configure.js.orig 2008-09-26 21:18:37 -05:00 -+++ win/configure.js 2008-10-01 11:21:27 -05:00 -@@ -50,6 +50,7 @@ - case "EMBED_MANIFESTS": - case "EXTRA_DEBUG": - case "WITH_EMBEDDED_SERVER": -+ case "INNODB_DYNAMIC_PLUGIN": - configfile.WriteLine("SET (" + args.Item(i) + " TRUE)"); - break; - case "MYSQL_SERVER_SUFFIX": From d8f991022d96e522bfb6241522ecd2875e0cc9ff Mon Sep 17 00:00:00 2001 From: calvin <> Date: Tue, 13 Oct 2009 20:51:49 +0000 Subject: [PATCH 143/400] branches/innodb+: add ut0rbt.c to CMakeLists.txt Also reorder the file list. --- CMakeLists.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 9f4af9ca00e..990382981ae 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -78,8 +78,8 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c usr/usr0sess.c - ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c - ut/ut0list.c ut/ut0wqueue.c) + ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c + ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) IF (MYSQL_VERSION_ID GREATER "50137") From b512b9de6b2bd0f210f689610de42907b9875bdc Mon Sep 17 00:00:00 2001 From: calvin <> Date: Wed, 14 Oct 2009 16:16:14 +0000 Subject: [PATCH 144/400] branches/innodb+: fix build errors on Windows - Change os_aio_use_native_aio to srv_use_native_aio - Change several C++ style variable declarations to C style in .C files Approved by: Inaam rb://189, mantis issue #362 --- buf/buf0flu.c | 7 +++---- os/os0file.c | 12 ++++++------ 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/buf/buf0flu.c b/buf/buf0flu.c index e78059b92ab..0f10b4fb44e 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -152,14 +152,13 @@ buf_flush_block_cmp( const void* p1, /*!< in: block1 */ const void* p2) /*!< in: block2 */ { - int ret; + int ret; + const buf_page_t* b1 = *(const buf_page_t**) p1; + const buf_page_t* b2 = *(const buf_page_t**) p2; ut_ad(p1 != NULL); ut_ad(p2 != NULL); - const buf_page_t* b1 = *(const buf_page_t**) p1; - const buf_page_t* b2 = *(const buf_page_t**) p2; - ut_ad(b1 != NULL); ut_ad(b2 != NULL); diff --git a/os/os0file.c b/os/os0file.c index 4496d97aab7..285834707a1 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -92,9 +92,7 @@ UNIV_INTERN ibool os_do_not_call_flush_at_each_write = FALSE; /* We do not call os_file_flush in every os_file_write. */ #endif /* UNIV_DO_FLUSH */ -#ifdef UNIV_HOTBACKUP -# define os_aio_use_native_aio FALSE -#else /* UNIV_HOTBACKUP */ +#ifndef UNIV_HOTBACKUP /* We use these mutexes to protect lseek + file i/o operation, if the OS does not provide an atomic pread or pwrite, or similar */ #define OS_FILE_N_SEEK_MUTEXES 16 @@ -283,7 +281,7 @@ static ulint os_aio_n_segments = ULINT_UNDEFINED; /** If the following is TRUE, read i/o handler threads try to wait until a batch of new read requests have been posted */ static ibool os_aio_recommend_sleep_for_read_threads = FALSE; -#endif /* UNIV_HOTBACKUP */ +#endif /* !UNIV_HOTBACKUP */ UNIV_INTERN ulint os_n_file_reads = 0; UNIV_INTERN ulint os_bytes_read_since_printout = 0; @@ -3743,7 +3741,7 @@ readahead requests. */ os_aio_array_t* array; ulint g; - if (os_aio_use_native_aio) { + if (srv_use_native_aio) { /* We do not use simulated aio: do nothing */ return; @@ -4829,9 +4827,11 @@ loop: memset(n_res_seg, 0x0, sizeof(n_res_seg)); for (i = 0; i < array->n_slots; i++) { + ulint seg_no; + slot = os_aio_array_get_nth_slot(array, i); - ulint seg_no = (i * array->n_segments) / array->n_slots; + seg_no = (i * array->n_segments) / array->n_slots; if (slot->reserved) { n_reserved++; n_res_seg[seg_no]++; From 1dd1d1fe5362ddecd0560894c1d830ee4131766d Mon Sep 17 00:00:00 2001 From: calvin <> Date: Wed, 14 Oct 2009 19:02:27 +0000 Subject: [PATCH 145/400] branches/innodb+: remove two assertions Suggested by Marko. --- buf/buf0flu.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 0f10b4fb44e..b44e40a8952 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -156,9 +156,6 @@ buf_flush_block_cmp( const buf_page_t* b1 = *(const buf_page_t**) p1; const buf_page_t* b2 = *(const buf_page_t**) p2; - ut_ad(p1 != NULL); - ut_ad(p2 != NULL); - ut_ad(b1 != NULL); ut_ad(b2 != NULL); From 00c16e8a30d5d5b37cb7291cca59521e6fc3e677 Mon Sep 17 00:00:00 2001 From: sunny <> Date: Wed, 4 Nov 2009 06:02:00 +0000 Subject: [PATCH 146/400] branches/innodb+: Merge revisions r5971:6130 from branches/zip. ------------------------------------------------------------------------ r5971 | marko | 2009-09-23 23:03:51 +1000 (Wed, 23 Sep 2009) | 2 lines branches/zip: os_file_pwrite(): Make the code compile in InnoDB Hot Backup when the pwrite system call is not available. ------------------------------------------------------------------------ r5972 | marko | 2009-09-24 05:44:52 +1000 (Thu, 24 Sep 2009) | 5 lines branches/zip: fil_node_open_file(): In InnoDB Hot Backup, determine the page size of single-file tablespaces before computing the file node size. Otherwise, the space->size of compressed tablespaces would be computed with UNIV_PAGE_SIZE instead of key_block_size. This should fix Issue #313. ------------------------------------------------------------------------ r5973 | marko | 2009-09-24 05:53:21 +1000 (Thu, 24 Sep 2009) | 2 lines branches/zip: recv_add_to_hash_table(): Simplify obfuscated pointer arithmetics. ------------------------------------------------------------------------ r5978 | marko | 2009-09-24 17:47:56 +1000 (Thu, 24 Sep 2009) | 1 line branches/zip: Fix warnings and errors when UNIV_HOTBACKUP is defined. ------------------------------------------------------------------------ r5979 | marko | 2009-09-24 20:16:10 +1000 (Thu, 24 Sep 2009) | 4 lines branches/zip: ha_innodb.cc: Define MYSQL_PLUGIN_IMPORT when necessary. This preprocessor symbol has been recently introduced in MySQL 5.1. The InnoDB Plugin should remain source compatible with MySQL 5.1.24 and later. ------------------------------------------------------------------------ r5988 | calvin | 2009-09-26 05:14:43 +1000 (Sat, 26 Sep 2009) | 8 lines branches/zip: fix bug#47055 unconditional exit(1) on ERROR_WORKING_SET_QUOTA 1453 (0x5AD) for InnoDB backend When error ERROR_WORKING_SET_QUOTA or ERROR_NO_SYSTEM_RESOURCES occurs, yields for 100ms and retries the operation. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r5992 | vasil | 2009-09-28 17:10:29 +1000 (Mon, 28 Sep 2009) | 4 lines branches/zip: Add ChangeLog entry for c5988. ------------------------------------------------------------------------ r5994 | marko | 2009-09-28 18:33:59 +1000 (Mon, 28 Sep 2009) | 17 lines branches/zip: Try to prevent the reuse of tablespace identifiers after InnoDB has crashed during table creation. Also, refuse to start if files with duplicate tablespace identifiers are encountered. fil_node_create(): Update fil_system->max_assigned_id. This should prevent the reuse of a space->id when InnoDB does a full crash recovery and invokes fil_load_single_table_tablespaces(). Normally, fil_system->max_assigned_id is initialized from SELECT MAX(ID) FROM SYS_TABLES. fil_open_single_table_tablespace(): Return FALSE when fil_space_create() fails. fil_load_single_table_tablespace(): Exit if fil_space_create() fails and innodb_force_recovery=0. rb://173 approved by Heikki Tuuri. This addresses Issue #335. ------------------------------------------------------------------------ r5995 | marko | 2009-09-28 18:52:25 +1000 (Mon, 28 Sep 2009) | 17 lines branches/zip: Do not write to PAGE_INDEX_ID after page creation, not even when restoring an uncompressed page after a compression failure. btr_page_reorganize_low(): On compression failure, do not restore those page header fields that should not be affected by the reorganization. Instead, compare the fields. page_zip_decompress(): Add the parameter ibool all, for copying all page header fields. Pass the parameter all=TRUE on block read completion, redo log application, and page_zip_validate(); pass all=FALSE in all other cases. page_zip_reorganize(): Do not restore the uncompressed page on failure. It will be restored (to pre-modification state) by the caller anyway. rb://167, Issue #346 ------------------------------------------------------------------------ r5996 | marko | 2009-09-28 22:46:02 +1000 (Mon, 28 Sep 2009) | 4 lines branches/zip: Address Issue #350 in comments. lock_rec_queue_validate(), lock_rec_queue_validate(): Note that this debug code may violate the latching order and cause deadlocks. ------------------------------------------------------------------------ r5997 | marko | 2009-09-28 23:03:58 +1000 (Mon, 28 Sep 2009) | 12 lines branches/zip: Remove an assertion failure when the InnoDB data dictionary is inconsistent with the MySQL .frm file. ha_innobase::index_read(): When the index cannot be found, return an error. ha_innobase::change_active_index(): When prebuilt->index == NULL, set also prebuilt->index_usable = FALSE. This is not needed for correctness, because prebuilt->index_usable is only checked by row_search_for_mysql(), which requires prebuilt->index != NULL. This addresses Issue #349. Approved by Heikki Tuuri over IM. ------------------------------------------------------------------------ r6005 | vasil | 2009-09-29 18:09:52 +1000 (Tue, 29 Sep 2009) | 4 lines branches/zip: ChangeLog: wrap around 78th column, not earlier. ------------------------------------------------------------------------ r6006 | vasil | 2009-09-29 20:15:25 +1000 (Tue, 29 Sep 2009) | 4 lines branches/zip: Add ChangeLog entry for the release of 1.0.4. ------------------------------------------------------------------------ r6007 | vasil | 2009-09-29 23:19:59 +1000 (Tue, 29 Sep 2009) | 6 lines branches/zip: Fix the year, should be 2009. Pointed by: Calvin ------------------------------------------------------------------------ r6026 | marko | 2009-09-30 17:18:24 +1000 (Wed, 30 Sep 2009) | 1 line branches/zip: Add some debug assertions for checking FSEG_MAGIC_N. ------------------------------------------------------------------------ r6028 | marko | 2009-09-30 23:55:23 +1000 (Wed, 30 Sep 2009) | 3 lines branches/zip: recv_no_log_write: New debug flag for tracking down Mantis Issue #347. No modifications should be made to the database while recv_apply_hashed_log_recs() is about to complete. ------------------------------------------------------------------------ r6029 | calvin | 2009-10-01 06:32:02 +1000 (Thu, 01 Oct 2009) | 4 lines branches/zip: non-functional changes Fix typo. ------------------------------------------------------------------------ r6031 | marko | 2009-10-01 21:24:33 +1000 (Thu, 01 Oct 2009) | 49 lines branches/zip: Clean up after a crash during DROP INDEX. When InnoDB crashes while dropping an index, ensure that the index will be completely dropped during crash recovery. row_merge_drop_index(): Before dropping an index, rename the index to start with TEMP_INDEX_PREFIX_STR and commit the change, so that row_merge_drop_temp_indexes() will drop the index after crash recovery if the server crashes while dropping the index. fseg_inode_try_get(): New function, forked from fseg_inode_get(). Return NULL if the file segment index node is free. fseg_inode_get(): Assert that the file segment index node is not free. fseg_free_step(): If the file segment index node is already free, print a diagnostic message and return TRUE. fsp_free_seg_inode(): Write a nonzero number to FSEG_MAGIC_N, so that allocated-and-freed file segment index nodes can be better distinguished from uninitialized ones. This is rb://174, addressing Issue #348. Tested by restarting mysqld upon the completion of the added log_write_up_to() invocation below, during DROP INDEX. The index was dropped after crash recovery, and re-issuing the DROP INDEX did not crash the server. Index: btr/btr0btr.c =================================================================== --- btr/btr0btr.c (revision 6026) +++ btr/btr0btr.c (working copy) @@ -42,6 +42,7 @@ Created 6/2/1994 Heikki Tuuri #include "ibuf0ibuf.h" #include "trx0trx.h" +#include "log0log.h" /* Latching strategy of the InnoDB B-tree -------------------------------------- @@ -873,6 +874,8 @@ leaf_loop: goto leaf_loop; } + + log_write_up_to(mtr.end_lsn, LOG_WAIT_ALL_GROUPS, TRUE); top_loop: mtr_start(&mtr); ------------------------------------------------------------------------ r6033 | calvin | 2009-10-02 06:19:46 +1000 (Fri, 02 Oct 2009) | 4 lines branches/zip: fix a typo in error message Reported as bug#47763. ------------------------------------------------------------------------ r6043 | inaam | 2009-10-06 01:45:35 +1100 (Tue, 06 Oct 2009) | 12 lines branches/zip rb://176 Do not invalidate buffer pool while an LRU batch is active. Added code to buf_pool_invalidate() to wait for the running batches to finish. This patch also resets the state of buf_pool struct at invalidation. This addresses the concern where buf_pool->freed_page_clock becomes non-zero because we read in a system tablespace page for file format info at startup. Approved by: Marko ------------------------------------------------------------------------ r6044 | pekka | 2009-10-07 01:44:54 +1100 (Wed, 07 Oct 2009) | 5 lines branches/zip: Add os_file_is_same() function for Hot Backup (inside ifdef UNIV_HOTBACKUP). This is part of the fix for Issue #186. Note! The Windows implementation is incomplete. ------------------------------------------------------------------------ r6046 | pekka | 2009-10-08 20:24:56 +1100 (Thu, 08 Oct 2009) | 3 lines branches/zip: Revert r6044 which added os_file_is_same() function (issue#186). This functionality is moved to Hot Backup source tree. ------------------------------------------------------------------------ r6048 | vasil | 2009-10-09 16:42:55 +1100 (Fri, 09 Oct 2009) | 16 lines branches/zip: When scanning a directory readdir() is called and stat() after it, if a file is deleted between the two calls stat will fail and the whole precedure will fail. Change this behavior to continue with the next entry if stat() fails because of nonexistent file. This is transparent change as it will make it look as if the file was deleted before the readdir() call. This change is needed in order to fix https://svn.innodb.com/mantis/view.php?id=174 in which we need to abort if os_file_readdir_next_file() encounters "real" errors. Approved by: Marko, Pekka (rb://177) ------------------------------------------------------------------------ r6049 | vasil | 2009-10-10 03:05:26 +1100 (Sat, 10 Oct 2009) | 7 lines branches/zip: Fix compilation warning in Hot Backup: innodb/fil/fil0fil.c: In function 'fil_load_single_table_tablespace': innodb/fil/fil0fil.c:3253: warning: format '%lld' expects type 'long long int', but argument 6 has type 'ib_int64_t' ------------------------------------------------------------------------ r6064 | calvin | 2009-10-14 02:23:35 +1100 (Wed, 14 Oct 2009) | 4 lines branches/zip: non-functional changes Changes from MySQL to fix build issue. ------------------------------------------------------------------------ r6065 | inaam | 2009-10-14 04:43:13 +1100 (Wed, 14 Oct 2009) | 7 lines branches/zip rb://182 Call fsync() on datafiles after a batch of pages is written to disk even when skip_innodb_doublewrite is set. Approved by: Heikki ------------------------------------------------------------------------ r6080 | sunny | 2009-10-15 09:29:01 +1100 (Thu, 15 Oct 2009) | 3 lines branches/zip: Change page_mem_alloc_free() to inline. Fix Bug #47058 - Failure to compile innodb_plugin on solaris 10u7 + spro cc/CC 5.10 ------------------------------------------------------------------------ r6084 | vasil | 2009-10-15 16:21:17 +1100 (Thu, 15 Oct 2009) | 4 lines branches/zip: Add ChangeLog entry for r6080. ------------------------------------------------------------------------ r6095 | vasil | 2009-10-20 00:04:59 +1100 (Tue, 20 Oct 2009) | 7 lines branches/zip: Fix Bug#47808 innodb_information_schema.test fails when run under valgrind by using the wait_until_rows_count macro that loops until the number of rows becomes 14 instead of sleep 0.1, which is obviously very fragile. ------------------------------------------------------------------------ r6096 | vasil | 2009-10-20 00:06:09 +1100 (Tue, 20 Oct 2009) | 4 lines branches/zip: Add ChangeLog entry for r6095. ------------------------------------------------------------------------ r6099 | jyang | 2009-10-22 13:58:39 +1100 (Thu, 22 Oct 2009) | 7 lines branches/zip: Port bug #46000 related changes from 5.1 to zip branch. Due to different code path for creating index in zip branch comparing to 5.1), the index reserved name check function is extended to be used in ha_innobase::add_index(). rb://190 Approved by: Marko ------------------------------------------------------------------------ r6100 | jyang | 2009-10-22 14:51:07 +1100 (Thu, 22 Oct 2009) | 6 lines branches/zip: As a request from mysql, WARN_LEVEL_ERROR cannot be used for push_warning_* call any more. Switch to WARN_LEVEL_WARN. Bug #47233. rb://172 approved by Sunny Bains and Marko. ------------------------------------------------------------------------ r6101 | jyang | 2009-10-23 19:45:50 +1100 (Fri, 23 Oct 2009) | 7 lines branches/zip: Update test result with the WARN_LEVEL_ERROR to WARN_LEVEL_WARN change. This is the same result as submitted in rb://172 review, which approved by Sunny Bains and Marko. ------------------------------------------------------------------------ r6102 | marko | 2009-10-26 18:32:23 +1100 (Mon, 26 Oct 2009) | 1 line branches/zip: row_prebuilt_struct::prebuilts: Unused field, remove. ------------------------------------------------------------------------ r6103 | marko | 2009-10-27 00:46:18 +1100 (Tue, 27 Oct 2009) | 4 lines branches/zip: row_ins_alloc_sys_fields(): Zero out the system columns DB_TRX_ID, DB_ROLL_PTR and DB_ROW_ID, in order to avoid harmless Valgrind warnings about uninitialized data. (The warnings were harmless, because the fields would be initialized at a later stage.) ------------------------------------------------------------------------ r6105 | calvin | 2009-10-28 09:05:52 +1100 (Wed, 28 Oct 2009) | 6 lines branches/zip: backport r3848 from 6.0 branch ---- branches/6.0: innobase_start_or_create_for_mysql(): Make the 10 MB minimum tablespace limit independent of UNIV_PAGE_SIZE. (Bug #41490) ------------------------------------------------------------------------ r6107 | marko | 2009-10-29 01:10:34 +1100 (Thu, 29 Oct 2009) | 5 lines branches/zip: buf_page_set_old(): Improve UNIV_LRU_DEBUG diagnostics in order to catch the buf_pool->LRU_old corruption reported in Issue #381. buf_LRU_old_init(): Set the property from the tail towards the front of the buf_pool->LRU list, in order not to trip the debug check. ------------------------------------------------------------------------ r6108 | calvin | 2009-10-29 16:58:04 +1100 (Thu, 29 Oct 2009) | 5 lines branches/zip: close file handle when building with UNIV_HOTBACKUP The change does not affect regular InnoDB engine. Confirmed by Marko. ------------------------------------------------------------------------ r6109 | jyang | 2009-10-29 19:37:32 +1100 (Thu, 29 Oct 2009) | 7 lines branches/zip: In os_mem_alloc_large(), if we fail to attach the shared memory, reset memory pointer ptr to NULL, and allocate memory from conventional pool. Bug #48237 Error handling in os_mem_alloc_large appears to be incorrect rb://198 Approved by: Marko ------------------------------------------------------------------------ r6110 | marko | 2009-10-29 21:44:57 +1100 (Thu, 29 Oct 2009) | 2 lines branches/zip: Makefile.am (INCLUDES): Merge a change from MySQL: Use $(srcdir)/include instead of $(top_srcdir)/storage/innobase/include. ------------------------------------------------------------------------ r6111 | marko | 2009-10-29 22:04:11 +1100 (Thu, 29 Oct 2009) | 33 lines branches/zip: Fix corruption of buf_pool->LRU_old and improve debug assertions. This was reported as Issue #381. buf_page_set_old(): Assert that blocks may only be set old if buf_pool->LRU_old is initialized and buf_pool->LRU_old_len is nonzero. Assert that buf_pool->LRU_old points to the block at the old/new boundary. buf_LRU_old_adjust_len(): Invoke buf_page_set_old() after adjusting buf_pool->LRU_old and buf_pool->LRU_old_len, in order not to violate the added assertions. buf_LRU_old_init(): Replace buf_page_set_old() with a direct assignment to bpage->old, because these loops that initialize all the blocks would temporarily violate the assertions about buf_pool->LRU_old. buf_LRU_remove_block(): When setting buf_pool->LRU_old = NULL, also clear all bpage->old flags and set buf_pool->LRU_old_len = 0. buf_LRU_add_block_to_end_low(), buf_LRU_add_block_low(): Move the buf_page_set_old() call later in order not to violate the debug assertions. If buf_pool->LRU_old is NULL, set old=FALSE. buf_LRU_free_block(): Replace the UNIV_LRU_DEBUG assertion with a dummy buf_page_set_old() call that performs more thorough checks. buf_LRU_validate(): Do not tolerate garbage in buf_pool->LRU_old_len even if buf_pool->LRU_old is NULL. Check that bpage->old is monotonic. buf_relocate(): Make the UNIV_LRU_DEBUG checks stricter. buf0buf.h: Revise the documentation of buf_page_t::old and buf_pool_t::LRU_old_len. ------------------------------------------------------------------------ r6112 | calvin | 2009-10-30 01:21:15 +1100 (Fri, 30 Oct 2009) | 4 lines branches/zip: consideration for icc compilers Proposed by MySQL, and approved by Marko. ------------------------------------------------------------------------ r6113 | vasil | 2009-10-30 03:15:50 +1100 (Fri, 30 Oct 2009) | 93 lines branches/zip: Merge r5912:6112 from branches/5.1: (after this merge the innodb-autoinc test starts to fail, but I commit anyway because it would be easier to investigate the failure this way) ------------------------------------------------------------------------ r5952 | calvin | 2009-09-22 19:45:07 +0300 (Tue, 22 Sep 2009) | 7 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: fix bug#42383: Can't create table 'test.bug39438' For embedded server, MySQL may pass in full path, which is currently disallowed. It is needed to relax the condition by accepting full paths in the embedded case. Approved by: Heikki (on IM) ------------------------------------------------------------------------ r6032 | vasil | 2009-10-01 15:55:49 +0300 (Thu, 01 Oct 2009) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Fix Bug#38996 Race condition in ANALYZE TABLE by serializing ANALYZE TABLE inside InnoDB. Approved by: Heikki (rb://175) ------------------------------------------------------------------------ r6045 | jyang | 2009-10-08 02:27:08 +0300 (Thu, 08 Oct 2009) | 7 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc A /branches/5.1/mysql-test/innodb_bug47777.result A /branches/5.1/mysql-test/innodb_bug47777.test branches/5.1: Fix bug #47777. Treat the Geometry data same as Binary BLOB in ha_innobase::store_key_val_for_row(), since the Geometry data is stored as Binary BLOB in Innodb. Review: rb://180 approved by Marko Makela. ------------------------------------------------------------------------ r6051 | sunny | 2009-10-12 07:05:00 +0300 (Mon, 12 Oct 2009) | 6 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Ignore negative values supplied by the user when calculating the next value to store in dict_table_t. Setting autoincrement columns top negative values is undefined behavior and this change should bring the behavior of InnoDB closer to what users expect. Added several tests to check. rb://162 ------------------------------------------------------------------------ r6052 | sunny | 2009-10-12 07:09:56 +0300 (Mon, 12 Oct 2009) | 4 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Reset the statement level autoinc counter on ROLLBACK. Fix the test results too. rb://164 ------------------------------------------------------------------------ r6053 | sunny | 2009-10-12 07:37:49 +0300 (Mon, 12 Oct 2009) | 6 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Copy the maximum AUTOINC value from the old table to the new table when MySQL does a CREATE INDEX ON T. This is required because MySQL does a table copy, rename and drops the old table. Fix Bug#47125: auto_increment start value is ignored if an index is created and engine=innodb rb://168 ------------------------------------------------------------------------ r6076 | vasil | 2009-10-14 19:30:12 +0300 (Wed, 14 Oct 2009) | 4 lines Changed paths: M /branches/5.1/row/row0mysql.c branches/5.1: Fix typo. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6114 | vasil | 2009-10-30 03:43:51 +1100 (Fri, 30 Oct 2009) | 6 lines branches/zip: * Add ChangeLog entries for latest changes * Obey alphabetical order in the list of the files * White-space fixup ------------------------------------------------------------------------ r6121 | sunny | 2009-10-30 10:42:11 +1100 (Fri, 30 Oct 2009) | 7 lines branches/zip: This test has been problematic for sometime now. The underlying bug is that the data dictionaries get out of sync. In the AUTOINC code we try and apply salve to the symptoms. In the past MySQL made some unrelated change and the dictionaries stopped getting out of sync and this test started to fail. Now, it seems they have reverted that changed and the test is passing again. I suspect this is not he last time that this test will change. ------------------------------------------------------------------------ r6124 | jyang | 2009-10-30 19:02:31 +1100 (Fri, 30 Oct 2009) | 5 lines branches/zip: Correct the bug number for -r6109 change from # 48273 to #48237 ------------------------------------------------------------------------ r6126 | vasil | 2009-10-30 19:36:07 +1100 (Fri, 30 Oct 2009) | 45 lines branches/zip: Merge r6112:6125 from branches/5.1: (skipping r6122 and r6123, Jimmy says these are already present and need not be merged): ------------------------------------------------------------------------ r6122 | jyang | 2009-10-30 05:18:38 +0200 (Fri, 30 Oct 2009) | 7 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb_bug44369.result M /branches/5.1/mysql-test/innodb_bug44369.test M /branches/5.1/mysql-test/innodb_bug46000.result M /branches/5.1/mysql-test/innodb_bug46000.test branches/5.1: Chnage WARN_LEVEL_ERROR to WARN_LEVEL_WARN for push_warning_printf() call in innodb. Fix Bug#47233: Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR) rb://170 approved by Marko. ------------------------------------------------------------------------ r6123 | jyang | 2009-10-30 05:43:06 +0200 (Fri, 30 Oct 2009) | 8 lines Changed paths: M /branches/5.1/os/os0proc.c branches/5.1: In os_mem_alloc_large(), if we fail to attach the shared memory, reset memory pointer ptr to NULL, and allocate memory from conventional pool. This is a port from branches/zip. Bug #48237 Error handling in os_mem_alloc_large appears to be incorrect rb://198 Approved by: Marko ------------------------------------------------------------------------ r6125 | vasil | 2009-10-30 10:31:23 +0200 (Fri, 30 Oct 2009) | 4 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: White-space fixup. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6130 | marko | 2009-11-02 20:42:56 +1100 (Mon, 02 Nov 2009) | 9 lines branches/zip: Free all resources at shutdown. Set pointers to NULL, so that Valgrind will not complain about freed data structures that are reachable via pointers. This addresses Bug #45992 and Bug #46656. This patch is mostly based on changes copied from branches/embedded-1.0, mainly c5432, c3439, c3134, c2994, c2978, but also some other code was copied. Some added cleanup code is specific to MySQL/InnoDB. rb://199 approved by Sunny Bains ------------------------------------------------------------------------ --- ChangeLog | 142 +++++++++++++ Makefile.am | 2 +- btr/btr0btr.c | 21 +- btr/btr0sea.c | 15 ++ buf/buf0buf.c | 48 ++++- buf/buf0flu.c | 42 ++-- buf/buf0lru.c | 69 +++--- dict/dict0dict.c | 71 +++++++ fil/fil0fil.c | 95 +++++++-- fsp/fsp0fsp.c | 64 +++++- handler/ha_innodb.cc | 120 ++++++----- handler/ha_innodb.h | 18 ++ handler/handler0alter.cc | 12 +- ibuf/ibuf0ibuf.c | 21 ++ include/btr0sea.h | 6 + include/buf0buf.h | 5 +- include/buf0buf.ic | 17 +- include/dict0dict.h | 7 + include/fil0fil.h | 15 +- include/ibuf0ibuf.h | 6 + include/lock0lock.h | 6 + include/log0log.h | 21 +- include/log0recv.h | 23 ++ include/mem0mem.h | 7 + include/mem0pool.h | 7 + include/os0file.h | 10 +- include/page0page.h | 7 +- include/page0page.ic | 2 +- include/page0zip.h | 12 +- include/pars0pars.h | 6 + include/row0ins.h | 2 +- include/row0mysql.h | 2 - include/srv0srv.h | 2 +- include/thr0loc.h | 6 + include/trx0i_s.h | 7 + include/trx0purge.h | 6 + include/trx0rseg.h | 7 + include/trx0sys.h | 6 + include/trx0types.h | 2 +- include/trx0undo.h | 7 + include/univ.i | 2 +- include/usr0sess.h | 12 +- lock/lock0lock.c | 26 +++ log/log0log.c | 138 ++++++++++-- log/log0recv.c | 148 +++++++++++-- mem/mem0dbg.c | 11 + mem/mem0pool.c | 12 ++ mtr/mtr0mtr.c | 3 + mysql-test/innodb-autoinc.result | 243 +++++++++++++++++++++- mysql-test/innodb-autoinc.test | 118 +++++++++++ mysql-test/innodb-zip.result | 98 ++++----- mysql-test/innodb-zip.test | 46 ++-- mysql-test/innodb_bug44369.result | 8 +- mysql-test/innodb_bug44369.test | 4 +- mysql-test/innodb_bug46000.result | 18 +- mysql-test/innodb_bug46000.test | 12 +- mysql-test/innodb_bug47777.result | 13 ++ mysql-test/innodb_bug47777.test | 24 +++ mysql-test/innodb_information_schema.test | 16 +- os/os0file.c | 95 +++++++++ os/os0proc.c | 1 + os/os0sync.c | 4 + os/os0thread.c | 1 + page/page0cur.c | 2 +- page/page0page.c | 4 +- page/page0zip.c | 51 +++-- pars/lexyy.c | 13 ++ pars/pars0lex.l | 13 ++ que/que0que.c | 8 + row/row0ins.c | 8 +- row/row0merge.c | 8 + row/row0mysql.c | 2 +- srv/srv0srv.c | 17 +- srv/srv0start.c | 107 +++++----- sync/sync0arr.c | 20 +- sync/sync0sync.c | 5 + thr/thr0loc.c | 31 +++ trx/trx0i_s.c | 37 ++++ trx/trx0purge.c | 38 ++++ trx/trx0rseg.c | 43 ++++ trx/trx0sys.c | 78 +++++++ trx/trx0trx.c | 2 +- trx/trx0undo.c | 2 +- usr/usr0sess.c | 37 +--- ut/ut0mem.c | 2 + 85 files changed, 2097 insertions(+), 428 deletions(-) create mode 100644 mysql-test/innodb_bug47777.result create mode 100644 mysql-test/innodb_bug47777.test diff --git a/ChangeLog b/ChangeLog index f4b1485b79a..7c886a8d155 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,141 @@ +2009-01-01 The InnoDB Team + + * btr/btr0sea.c, buf/buf0buf.c, dict/dict0dict.c, fil/fil0fil.c, + ibuf/ibuf0ibuf.c, include/btr0sea.h, include/dict0dict.h, + include/fil0fil.h, include/ibuf0ibuf.h, include/lock0lock.h, + include/log0log.h, include/log0recv.h, include/mem0mem.h, + include/mem0pool.h, include/os0file.h, include/pars0pars.h, + include/srv0srv.h, include/thr0loc.h, include/trx0i_s.h, + include/trx0purge.h, include/trx0rseg.h, include/trx0sys.h, + include/trx0undo.h, include/usr0sess.h, lock/lock0lock.c, + log/log0log.c, log/log0recv.c, mem/mem0dbg.c, mem/mem0pool.c, + os/os0file.c, os/os0sync.c, os/os0thread.c, pars/lexyy.c, + pars/pars0lex.l, que/que0que.c, srv/srv0srv.c, srv/srv0start.c, + sync/sync0arr.c, sync/sync0sync.c, thr/thr0loc.c, trx/trx0i_s.c, + trx/trx0purge.c, trx/trx0rseg.c, trx/trx0sys.c, trx/trx0undo.c, + usr/usr0sess.c, ut/ut0mem.c: + Fix Bug #45992 innodb memory not freed after shutdown + Fix Bug #46656 InnoDB plugin: memory leaks (Valgrind) + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#47125 auto_increment start value is ignored if an index is + created and engine=innodb + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug47777.result, + mysql-test/innodb_bug47777.test: + Fix Bug#47777 innodb dies with spatial pk: Failing assertion: buf <= + original_buf + buf_len + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#38996 Race condition in ANALYZE TABLE + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc: + Fix bug#42383: Can't create table 'test.bug39438' + +2009-10-29 The InnoDB Team + + * os/os0proc.c: + Fix Bug#48237 Error handling in os_mem_alloc_large appears to + be incorrect + +2009-10-29 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.h, include/buf0buf.ic: + Fix corruption of the buf_pool->LRU_old list and improve debug + assertions. + +2009-10-28 The InnoDB Team + + * srv/srv0start.c: + Fix Bug#41490 After enlargement of InnoDB page size, the error message + become inaccurate + +2009-10-26 The InnoDB Team + + * row/row0ins.c: + When allocating a data tuple, zero out the system fields in order + to avoid Valgrind warnings about uninitialized fields in + dtuple_validate(). + +2009-10-22 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, mysql-test/innodb_bug44369.result, + mysql-test/innodb_bug44369.test: + Fix Bug#47233 Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR) + +2009-10-19 The InnoDB Team + + * mysql-test/innodb_information_schema.test: + Fix Bug#47808 innodb_information_schema.test fails when run under + valgrind + +2009-10-15 The InnoDB Team + + * include/page0page.ic: + Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro + cc/CC 5.10 + +2009-10-05 The InnoDB Team + + * buf/buf0buf.c: + Do not invalidate buffer pool while an LRU batch is active. Added code + to buf_pool_invalidate() to wait for the running batches to finish. + +2009-10-01 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#47763 typo in error message: Failed to open table %s after %lu + attemtps. + +2009-10-01 The InnoDB Team + + * fsp/fsp0fsp.c, row/row0merge.c: + Clean up after a crash during DROP INDEX. When InnoDB crashes + while dropping an index, ensure that the index will be completely + dropped during crash recovery. The MySQL .frm file may still + contain the dropped index, but there is little that we can do + about it. + +2009-09-28 The InnoDB Team + + * handler/ha_innodb.cc: + When a secondary index exists in the MySQL .frm file but not in + the InnoDB data dictionary, return an error instead of letting an + assertion fail in index_read. + +2009-09-28 The InnoDB Team + + * btr/btr0btr.c, buf/buf0buf.c, include/page0page.h, + include/page0zip.h, page/page0cur.c, page/page0page.c, + page/page0zip.c: + Do not write to PAGE_INDEX_ID when restoring an uncompressed page + after a compression failure. The field should only be written + when creating a B-tree page. This fix addresses a race condition + in a debug assertion. + +2009-09-28 The InnoDB Team + + * fil/fil0fil.c: + Try to prevent the reuse of tablespace identifiers after InnoDB + has crashed during table creation. Also, refuse to start if files + with duplicate tablespace identifiers are encountered. + +2009-09-25 The InnoDB Team + + * include/os0file.h, os/os0file.c: + Fix Bug#47055 unconditional exit(1) on ERROR_WORKING_SET_QUOTA + 1453 (0x5AD) for InnoDB backend + 2009-09-19 The InnoDB Team * handler/ha_innodb.cc, mysql-test/innodb-consistent-master.opt, @@ -101,6 +239,10 @@ Fix Bug#46657 InnoDB plugin: invalid read in index_merge_innodb test (Valgrind) +2009-08-11 The InnoDB Team + + InnoDB Plugin 1.0.4 released + 2009-07-20 The InnoDB Team * buf/buf0rea.c, handler/ha_innodb.cc, include/srv0srv.h, diff --git a/Makefile.am b/Makefile.am index accc836dff8..4e680134c0c 100644 --- a/Makefile.am +++ b/Makefile.am @@ -22,7 +22,7 @@ MYSQLLIBdir= $(pkglibdir) pkgplugindir= $(pkglibdir)/plugin INCLUDES= -I$(top_srcdir)/include -I$(top_builddir)/include \ -I$(top_srcdir)/regex \ - -I$(top_srcdir)/storage/innobase/include \ + -I$(srcdir)/include \ -I$(top_srcdir)/sql \ -I$(srcdir) @ZLIB_INCLUDES@ diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 633c66fc648..65d13a17bc1 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1014,7 +1014,26 @@ btr_page_reorganize_low( (!page_zip_compress(page_zip, page, index, NULL))) { /* Restore the old page and exit. */ - buf_frame_copy(page, temp_page); + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + /* Check that the bytes that we skip are identical. */ + ut_a(!memcmp(page, temp_page, PAGE_HEADER)); + ut_a(!memcmp(PAGE_HEADER + PAGE_N_RECS + page, + PAGE_HEADER + PAGE_N_RECS + temp_page, + PAGE_DATA - (PAGE_HEADER + PAGE_N_RECS))); + ut_a(!memcmp(UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + page, + UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + temp_page, + FIL_PAGE_DATA_END)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + + memcpy(PAGE_HEADER + page, PAGE_HEADER + temp_page, + PAGE_N_RECS - PAGE_N_DIR_SLOTS); + memcpy(PAGE_DATA + page, PAGE_DATA + temp_page, + UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(page, temp_page, UNIV_PAGE_SIZE)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ goto func_exit; } diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 0a80c61a58d..ef7afeb1039 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -175,6 +175,21 @@ btr_search_sys_create( btr_search_sys->hash_index = ha_create(hash_size, 0, 0); } +/*****************************************************************//** +Frees the adaptive search system at a database shutdown. */ +UNIV_INTERN +void +btr_search_sys_free(void) +/*=====================*/ +{ + mem_free(btr_search_latch_temp); + btr_search_latch_temp = NULL; + mem_heap_free(btr_search_sys->hash_index->heap); + hash_table_free(btr_search_sys->hash_index); + mem_free(btr_search_sys); + btr_search_sys = NULL; +} + /********************************************************************//** Disable the adaptive hash search system and empty the index. */ UNIV_INTERN diff --git a/buf/buf0buf.c b/buf/buf0buf.c index dfc5e531ad0..acf12ac9596 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1020,7 +1020,11 @@ buf_pool_free(void) os_mem_free_large(chunk->mem, chunk->mem_size); } - buf_pool->n_chunks = 0; + mem_free(buf_pool->chunks); + hash_table_free(buf_pool->page_hash); + hash_table_free(buf_pool->zip_hash); + mem_free(buf_pool); + buf_pool = NULL; } /********************************************************************//** @@ -1163,10 +1167,15 @@ buf_relocate( #ifdef UNIV_LRU_DEBUG /* buf_pool->LRU_old must be the first item in the LRU list whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); + } else { + /* Check that the "old" flag is consistent in + the block and its neighbours. */ + buf_page_set_old(dpage, buf_page_is_old(dpage)); #endif /* UNIV_LRU_DEBUG */ } @@ -1894,7 +1903,7 @@ buf_zip_decompress( switch (fil_page_get_type(frame)) { case FIL_PAGE_INDEX: if (page_zip_decompress(&block->page.zip, - block->frame)) { + block->frame, TRUE)) { return(TRUE); } @@ -3380,7 +3389,32 @@ void buf_pool_invalidate(void) /*=====================*/ { - ibool freed; + ibool freed; + enum buf_flush i; + + buf_pool_mutex_enter(); + + for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { + + /* As this function is called during startup and + during redo application phase during recovery, InnoDB + is single threaded (apart from IO helper threads) at + this stage. No new write batch can be in intialization + stage at this point. */ + ut_ad(buf_pool->init_flush[i] == FALSE); + + /* However, it is possible that a write batch that has + been posted earlier is still not complete. For buffer + pool invalidation to proceed we must ensure there is NO + write activity happening. */ + if (buf_pool->n_flush[i] > 0) { + buf_pool_mutex_exit(); + buf_flush_wait_batch_end(i); + buf_pool_mutex_enter(); + } + } + + buf_pool_mutex_exit(); ut_ad(buf_all_freed()); @@ -3395,6 +3429,14 @@ buf_pool_invalidate(void) ut_ad(UT_LIST_GET_LEN(buf_pool->LRU) == 0); ut_ad(UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0); + buf_pool->freed_page_clock = 0; + buf_pool->LRU_old = NULL; + buf_pool->LRU_old_len = 0; + buf_pool->LRU_flush_ended = 0; + + memset(&buf_pool->stat, 0x00, sizeof(buf_pool->stat)); + buf_refresh_io_stats(); + buf_pool_mutex_exit(); } diff --git a/buf/buf0flu.c b/buf/buf0flu.c index b44e40a8952..13b76edb390 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -518,6 +518,28 @@ buf_flush_write_complete( } } +/********************************************************************//** +Flush a batch of writes to the datafiles that have already been +written by the OS. */ +static +void +buf_flush_sync_datafiles(void) +/*==========================*/ +{ + /* Wake possible simulated aio thread to actually post the + writes to the operating system */ + os_aio_simulated_wake_handler_threads(); + + /* Wait that all async writes to tablespaces have been posted to + the OS */ + os_aio_wait_until_no_pending_writes(); + + /* Now we flush the data to disk (for example, with fsync) */ + fil_flush_file_spaces(FIL_TABLESPACE); + + return; +} + /********************************************************************//** Flushes possible buffered writes from the doublewrite memory buffer to disk, and also wakes up the aio thread if simulated aio is used. It is very @@ -535,8 +557,8 @@ buf_flush_buffered_writes(void) ulint i; if (!srv_use_doublewrite_buf || trx_doublewrite == NULL) { - os_aio_simulated_wake_handler_threads(); - + /* Sync the writes to the disk. */ + buf_flush_sync_datafiles(); return; } @@ -744,22 +766,10 @@ flush: buf_LRU_stat_inc_io(); } - /* Wake possible simulated aio thread to actually post the - writes to the operating system */ - - os_aio_simulated_wake_handler_threads(); - - /* Wait that all async writes to tablespaces have been posted to - the OS */ - - os_aio_wait_until_no_pending_writes(); - - /* Now we flush the data to disk (for example, with fsync) */ - - fil_flush_file_spaces(FIL_TABLESPACE); + /* Sync the writes to the disk. */ + buf_flush_sync_datafiles(); /* We can now reuse the doublewrite memory buffer: */ - trx_doublewrite->first_free = 0; mutex_exit(&(trx_doublewrite->mutex)); diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 28a3c28ab42..a8419138f44 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -978,14 +978,14 @@ buf_LRU_old_adjust_len(void) #ifdef UNIV_LRU_DEBUG ut_a(!LRU_old->old); #endif /* UNIV_LRU_DEBUG */ - buf_page_set_old(LRU_old, TRUE); old_len = ++buf_pool->LRU_old_len; + buf_page_set_old(LRU_old, TRUE); } else if (old_len > new_len + BUF_LRU_OLD_TOLERANCE) { - buf_page_set_old(LRU_old, FALSE); buf_pool->LRU_old = UT_LIST_GET_NEXT(LRU, LRU_old); old_len = --buf_pool->LRU_old_len; + buf_page_set_old(LRU_old, FALSE); } else { return; } @@ -1009,13 +1009,13 @@ buf_LRU_old_init(void) the adjust function to move the LRU_old pointer to the right position */ - bpage = UT_LIST_GET_FIRST(buf_pool->LRU); - - while (bpage != NULL) { + for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); bpage != NULL; + bpage = UT_LIST_GET_PREV(LRU, bpage)) { ut_ad(bpage->in_LRU_list); ut_ad(buf_page_in_file(bpage)); - buf_page_set_old(bpage, TRUE); - bpage = UT_LIST_GET_NEXT(LRU, bpage); + /* This loop temporarily violates the + assertions of buf_page_set_old(). */ + bpage->old = TRUE; } buf_pool->LRU_old = UT_LIST_GET_FIRST(buf_pool->LRU); @@ -1091,10 +1091,19 @@ buf_LRU_remove_block( buf_unzip_LRU_remove_block_if_needed(bpage); - /* If the LRU list is so short that LRU_old not defined, return */ + /* If the LRU list is so short that LRU_old is not defined, + clear the "old" flags and return */ if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { + for (bpage = UT_LIST_GET_FIRST(buf_pool->LRU); bpage != NULL; + bpage = UT_LIST_GET_NEXT(LRU, bpage)) { + /* This loop temporarily violates the + assertions of buf_page_set_old(). */ + bpage->old = FALSE; + } + buf_pool->LRU_old = NULL; + buf_pool->LRU_old_len = 0; return; } @@ -1155,14 +1164,13 @@ buf_LRU_add_block_to_end_low( UT_LIST_ADD_LAST(LRU, buf_pool->LRU, bpage); ut_d(bpage->in_LRU_list = TRUE); - buf_page_set_old(bpage, TRUE); - if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { ut_ad(buf_pool->LRU_old); /* Adjust the length of the old block list if necessary */ + buf_page_set_old(bpage, TRUE); buf_pool->LRU_old_len++; buf_LRU_old_adjust_len(); @@ -1171,8 +1179,9 @@ buf_LRU_add_block_to_end_low( /* The LRU list is now long enough for LRU_old to become defined: init it */ - buf_pool->LRU_old_len++; buf_LRU_old_init(); + } else { + buf_page_set_old(bpage, buf_pool->LRU_old != NULL); } /* If this is a zipped block with decompressed frame as well @@ -1223,14 +1232,13 @@ buf_LRU_add_block_low( ut_d(bpage->in_LRU_list = TRUE); - buf_page_set_old(bpage, old); - if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { ut_ad(buf_pool->LRU_old); /* Adjust the length of the old block list if necessary */ + buf_page_set_old(bpage, old); buf_LRU_old_adjust_len(); } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { @@ -1239,6 +1247,8 @@ buf_LRU_add_block_low( defined: init it */ buf_LRU_old_init(); + } else { + buf_page_set_old(bpage, buf_pool->LRU_old != NULL); } /* If this is a zipped block with decompressed frame as well @@ -1436,15 +1446,6 @@ alloc: buf_pool->LRU_old = b; } -#ifdef UNIV_LRU_DEBUG - ut_a(prev_b->old - || !UT_LIST_GET_NEXT(LRU, b) - || UT_LIST_GET_NEXT(LRU, b)->old); - } else { - ut_a(!prev_b->old - || !UT_LIST_GET_NEXT(LRU, b) - || !UT_LIST_GET_NEXT(LRU, b)->old); -#endif /* UNIV_LRU_DEBUG */ } lru_len = UT_LIST_GET_LEN(buf_pool->LRU); @@ -1460,6 +1461,11 @@ alloc: defined: init it */ buf_LRU_old_init(); } +#ifdef UNIV_LRU_DEBUG + /* Check that the "old" flag is consistent + in the block and its neighbours. */ + buf_page_set_old(b, buf_page_is_old(b)); +#endif /* UNIV_LRU_DEBUG */ } else { ut_d(b->in_LRU_list = FALSE); buf_LRU_add_block_low(b, buf_page_is_old(b)); @@ -1948,19 +1954,24 @@ buf_LRU_validate(void) } if (buf_page_is_old(bpage)) { - old_len++; - } + const buf_page_t* prev + = UT_LIST_GET_PREV(LRU, bpage); + const buf_page_t* next + = UT_LIST_GET_NEXT(LRU, bpage); - if (buf_pool->LRU_old && (old_len == 1)) { - ut_a(buf_pool->LRU_old == bpage); + if (!old_len++) { + ut_a(buf_pool->LRU_old == bpage); + } else { + ut_a(!prev || buf_page_is_old(prev)); + } + + ut_a(!next || buf_page_is_old(next)); } bpage = UT_LIST_GET_NEXT(LRU, bpage); } - if (buf_pool->LRU_old) { - ut_a(buf_pool->LRU_old_len == old_len); - } + ut_a(buf_pool->LRU_old_len == old_len); UT_LIST_VALIDATE(list, buf_page_t, buf_pool->free, ut_ad(ut_list_node_313->in_free_list)); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index aedaf7cec1d..58ed35a4313 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -4652,6 +4652,26 @@ dict_ind_init(void) dict_ind_redundant->cached = dict_ind_compact->cached = TRUE; } +/**********************************************************************//** +Frees dict_ind_redundant and dict_ind_compact. */ +static +void +dict_ind_free(void) +/*===============*/ +{ + dict_table_t* table; + + table = dict_ind_compact->table; + dict_mem_index_free(dict_ind_compact); + dict_ind_compact = NULL; + dict_mem_table_free(table); + + table = dict_ind_redundant->table; + dict_mem_index_free(dict_ind_redundant); + dict_ind_redundant = NULL; + dict_mem_table_free(table); +} + #ifndef UNIV_HOTBACKUP /**********************************************************************//** Get index by name @@ -4777,4 +4797,55 @@ dict_table_check_for_dup_indexes( } } #endif /* UNIV_DEBUG */ + +/************************************************************************** +Closes the data dictionary module. */ +UNIV_INTERN +void +dict_close(void) +/*============*/ +{ + ulint i; + + /* Free the hash elements. We don't remove them from the table + because we are going to destroy the table anyway. */ + for (i = 0; i < hash_get_n_cells(dict_sys->table_hash); i++) { + dict_table_t* table; + + table = HASH_GET_FIRST(dict_sys->table_hash, i); + + while (table) { + dict_table_t* prev_table = table; + + table = HASH_GET_NEXT(name_hash, prev_table); +#ifdef UNIV_DEBUG + ut_a(prev_table->magic_n == DICT_TABLE_MAGIC_N); +#endif + /* Acquire only because it's a pre-condition. */ + mutex_enter(&dict_sys->mutex); + + dict_table_remove_from_cache(prev_table); + + mutex_exit(&dict_sys->mutex); + } + } + + hash_table_free(dict_sys->table_hash); + + /* The elements are the same instance as in dict_sys->table_hash, + therefore we don't delete the individual elements. */ + hash_table_free(dict_sys->table_id_hash); + + dict_ind_free(); + + mutex_free(&dict_sys->mutex); + + rw_lock_free(&dict_operation_lock); + memset(&dict_operation_lock, 0x0, sizeof(dict_operation_lock)); + + mutex_free(&dict_foreign_err_mutex); + + mem_free(dict_sys); + dict_sys = NULL; +} #endif /* !UNIV_HOTBACKUP */ diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 509388ca31c..ce7638de668 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -321,6 +321,17 @@ fil_get_space_id_for_table( /*=======================*/ const char* name); /*!< in: table name in the standard 'databasename/tablename' format */ +/*******************************************************************//** +Frees a space object from the tablespace memory cache. Closes the files in +the chain but does not delete them. There must not be any pending i/o's or +flushes on the files. */ +static +ibool +fil_space_free( +/*===========*/ + /* out: TRUE if success */ + ulint id, /* in: space id */ + ibool own_mutex);/* in: TRUE if own system->mutex */ /********************************************************************//** Reads data from a space to a buffer. Remember that the possible incomplete blocks at the end of file are ignored: they are not taken into account when @@ -594,6 +605,11 @@ fil_node_create( UT_LIST_ADD_LAST(chain, space->chain, node); + if (id < SRV_LOG_SPACE_FIRST_ID && fil_system->max_assigned_id < id) { + + fil_system->max_assigned_id = id; + } + mutex_exit(&fil_system->mutex); } @@ -613,12 +629,10 @@ fil_node_open_file( ulint size_high; ibool ret; ibool success; -#ifndef UNIV_HOTBACKUP byte* buf2; byte* page; ulint space_id; ulint flags; -#endif /* !UNIV_HOTBACKUP */ ut_ad(mutex_own(&(system->mutex))); ut_a(node->n_pending == 0); @@ -654,9 +668,12 @@ fil_node_open_file( size_bytes = (((ib_int64_t)size_high) << 32) + (ib_int64_t)size_low; #ifdef UNIV_HOTBACKUP - node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); - /* TODO: adjust to zip_size, like below? */ -#else + if (space->id == 0) { + node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); + os_file_close(node->handle); + goto add_size; + } +#endif /* UNIV_HOTBACKUP */ ut_a(space->purpose != FIL_LOG); ut_a(space->id != 0); @@ -735,7 +752,10 @@ fil_node_open_file( (size_bytes / dict_table_flags_to_zip_size(flags)); } -#endif + +#ifdef UNIV_HOTBACKUP +add_size: +#endif /* UNIV_HOTBACKUP */ space->size += node->size; } @@ -1135,7 +1155,7 @@ try_again: mutex_exit(&fil_system->mutex); - fil_space_free(namesake_id); + fil_space_free(namesake_id, FALSE); goto try_again; } @@ -1260,17 +1280,21 @@ Frees a space object from the tablespace memory cache. Closes the files in the chain but does not delete them. There must not be any pending i/o's or flushes on the files. @return TRUE if success */ -UNIV_INTERN +static ibool fil_space_free( /*===========*/ - ulint id) /*!< in: space id */ + /* out: TRUE if success */ + ulint id, /* in: space id */ + ibool own_mutex) /* in: TRUE if own system->mutex */ { fil_space_t* space; fil_space_t* namespace; fil_node_t* fil_node; - mutex_enter(&fil_system->mutex); + if (!own_mutex) { + mutex_enter(&fil_system->mutex); + } space = fil_space_get_by_id(id); @@ -1317,7 +1341,9 @@ fil_space_free( ut_a(0 == UT_LIST_GET_LEN(space->chain)); - mutex_exit(&fil_system->mutex); + if (!own_mutex) { + mutex_exit(&fil_system->mutex); + } rw_lock_free(&(space->latch)); @@ -1577,6 +1603,8 @@ fil_close_all_files(void) space = UT_LIST_GET_FIRST(fil_system->space_list); while (space != NULL) { + fil_space_t* prev_space = space; + node = UT_LIST_GET_FIRST(space->chain); while (node != NULL) { @@ -1586,6 +1614,7 @@ fil_close_all_files(void) node = UT_LIST_GET_NEXT(chain, node); } space = UT_LIST_GET_NEXT(space_list, space); + fil_space_free(prev_space->id, TRUE); } mutex_exit(&fil_system->mutex); @@ -2217,7 +2246,7 @@ try_again: #endif /* printf("Deleting tablespace %s id %lu\n", space->name, id); */ - success = fil_space_free(id); + success = fil_space_free(id, FALSE); if (success) { success = os_file_delete(path); @@ -2923,7 +2952,6 @@ fil_open_single_table_tablespace( byte* page; ulint space_id; ulint space_flags; - ibool ret = TRUE; filepath = fil_make_ibd_name(name, FALSE); @@ -3001,7 +3029,7 @@ fil_open_single_table_tablespace( (ulong) space_id, (ulong) space_flags, (ulong) id, (ulong) flags); - ret = FALSE; + success = FALSE; goto func_exit; } @@ -3021,7 +3049,7 @@ func_exit: os_file_close(file); mem_free(filepath); - return(ret); + return(success); } #endif /* !UNIV_HOTBACKUP */ @@ -3237,7 +3265,7 @@ fil_load_single_table_tablespace( fprintf(stderr, "InnoDB: Renaming tablespace %s of id %lu,\n" "InnoDB: to %s_ibbackup_old_vers_\n" - "InnoDB: because its size %lld is too small" + "InnoDB: because its size %" PRId64 " is too small" " (< 4 pages 16 kB each),\n" "InnoDB: or the space id in the file header" " is not sensible.\n" @@ -3299,7 +3327,17 @@ fil_load_single_table_tablespace( if (!success) { - goto func_exit; + if (srv_force_recovery > 0) { + fprintf(stderr, + "InnoDB: innodb_force_recovery" + " was set to %lu. Continuing crash recovery\n" + "InnoDB: even though the tablespace creation" + " of this table failed.\n", + srv_force_recovery); + goto func_exit; + } + + exit(1); } /* We do not use the size information we have about the file, because @@ -4738,3 +4776,26 @@ fil_page_get_type( return(mach_read_from_2(page + FIL_PAGE_TYPE)); } + +/******************************************************************** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_close(void) +/*===========*/ +{ + /* The mutex should already have been freed. */ + ut_ad(fil_system->mutex.magic_n == 0); + + hash_table_free(fil_system->spaces); + + hash_table_free(fil_system->name_hash); + + ut_a(UT_LIST_GET_LEN(fil_system->LRU) == 0); + ut_a(UT_LIST_GET_LEN(fil_system->unflushed_spaces) == 0); + ut_a(UT_LIST_GET_LEN(fil_system->space_list) == 0); + + mem_free(fil_system); + + fil_system = NULL; +} diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 08bd2ac8116..3cc4318fc06 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -231,10 +231,10 @@ the extent are free and which contain old tuple version to clean. */ /* Offset of the descriptor array on a descriptor page */ #define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) +#ifndef UNIV_HOTBACKUP /* Flag to indicate if we have printed the tablespace full error. */ static ibool fsp_tbs_full_error_printed = FALSE; -#ifndef UNIV_HOTBACKUP /**********************************************************************//** Returns an extent to the free list of a space. */ static @@ -1848,6 +1848,8 @@ fsp_seg_inode_page_find_used( if (!ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) { /* This is used */ + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); return(i); } } @@ -1879,6 +1881,9 @@ fsp_seg_inode_page_find_free( return(i); } + + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); } return(ULINT_UNDEFINED); @@ -1997,6 +2002,8 @@ fsp_alloc_seg_inode( page + FSEG_INODE_PAGE_NODE, mtr); } + ut_ad(ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)) + || mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); return(inode); } @@ -2034,7 +2041,7 @@ fsp_free_seg_inode( } mlog_write_dulint(inode + FSEG_ID, ut_dulint_zero, mtr); - mlog_write_ulint(inode + FSEG_MAGIC_N, 0, MLOG_4BYTES, mtr); + mlog_write_ulint(inode + FSEG_MAGIC_N, 0xfa051ce3, MLOG_4BYTES, mtr); if (ULINT_UNDEFINED == fsp_seg_inode_page_find_used(page, zip_size, mtr)) { @@ -2050,11 +2057,11 @@ fsp_free_seg_inode( /**********************************************************************//** Returns the file segment inode, page x-latched. -@return segment inode, page x-latched */ +@return segment inode, page x-latched; NULL if the inode is free */ static fseg_inode_t* -fseg_inode_get( -/*===========*/ +fseg_inode_try_get( +/*===============*/ fseg_header_t* header, /*!< in: segment header */ ulint space, /*!< in: space id */ ulint zip_size,/*!< in: compressed page size in bytes @@ -2070,8 +2077,34 @@ fseg_inode_get( inode = fut_get_ptr(space, zip_size, inode_addr, RW_X_LATCH, mtr); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + if (UNIV_UNLIKELY + (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)))) { + inode = NULL; + } else { + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + } + + return(inode); +} + +/**********************************************************************//** +Returns the file segment inode, page x-latched. +@return segment inode, page x-latched */ +static +fseg_inode_t* +fseg_inode_get( +/*===========*/ + fseg_header_t* header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fseg_inode_t* inode + = fseg_inode_try_get(header, space, zip_size, mtr); + ut_a(inode); return(inode); } @@ -2089,6 +2122,7 @@ fseg_get_nth_frag_page_no( ut_ad(inode && mtr); ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); return(mach_read_from_4(inode + FSEG_FRAG_ARR + n * FSEG_FRAG_SLOT_SIZE)); } @@ -2107,6 +2141,7 @@ fseg_set_nth_frag_page_no( ut_ad(inode && mtr); ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); mlog_write_ulint(inode + FSEG_FRAG_ARR + n * FSEG_FRAG_SLOT_SIZE, page_no, MLOG_4BYTES, mtr); @@ -2467,6 +2502,8 @@ fseg_fill_free_list( xdes_set_state(descr, XDES_FSEG, mtr); seg_id = mtr_read_dulint(inode + FSEG_ID, mtr); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); mlog_write_dulint(descr + XDES_ID, seg_id, mtr); flst_add_last(inode + FSEG_FREE, descr + XDES_FLST_NODE, mtr); @@ -2495,6 +2532,7 @@ fseg_alloc_free_extent( fil_addr_t first; ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { /* Segment free list is not empty, allocate from it */ @@ -3152,6 +3190,8 @@ fseg_mark_page_used( ut_ad(seg_inode && mtr); ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); descr = xdes_get_descriptor(space, zip_size, page, mtr); @@ -3389,6 +3429,8 @@ fseg_free_extent( ut_a(xdes_get_state(descr, mtr) == XDES_FSEG); ut_a(0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, mtr), mtr_read_dulint(seg_inode + FSEG_ID, mtr))); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); first_page_in_extent = page - (page % FSP_EXTENT_SIZE); @@ -3479,7 +3521,13 @@ fseg_free_step( ut_a(descr); ut_a(xdes_get_bit(descr, XDES_FREE_BIT, header_page % FSP_EXTENT_SIZE, mtr) == FALSE); - inode = fseg_inode_get(header, space, zip_size, mtr); + inode = fseg_inode_try_get(header, space, zip_size, mtr); + + if (UNIV_UNLIKELY(inode == NULL)) { + fprintf(stderr, "double free of inode from %u:%u\n", + (unsigned) space, (unsigned) header_page); + return(TRUE); + } descr = fseg_get_first_extent(inode, space, zip_size, mtr); @@ -3603,6 +3651,7 @@ fseg_get_first_extent( ut_ad(inode && mtr); ut_ad(space == page_get_space_id(page_align(inode))); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); first = fil_addr_null; @@ -3817,6 +3866,7 @@ fseg_print_low( (ulong) reserved, (ulong) used, (ulong) n_full, (ulong) n_frag, (ulong) n_free, (ulong) n_not_full, (ulong) n_used); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); } #ifdef UNIV_BTR_PRINT diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 61e6a0c0c46..2f61394b252 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -107,7 +107,10 @@ extern "C" { #include "i_s.h" #ifndef MYSQL_SERVER -/* This is needed because of Bug #3596. Let us hope that pthread_mutex_t +# ifndef MYSQL_PLUGIN_IMPORT +# define MYSQL_PLUGIN_IMPORT /* nothing */ +# endif /* MYSQL_PLUGIN_IMPORT */ +/* This is needed because of Bug #3596. Let us hope that pthread_mutex_t is defined the same in both builds: the MySQL server and the InnoDB plugin. */ extern MYSQL_PLUGIN_IMPORT pthread_mutex_t LOCK_thread_count; @@ -126,6 +129,7 @@ static ulong commit_threads = 0; static pthread_mutex_t commit_threads_m; static pthread_cond_t commit_cond; static pthread_mutex_t commit_cond_m; +static pthread_mutex_t analyze_mutex; static bool innodb_inited = 0; #define INSIDE_HA_INNOBASE_CC @@ -230,21 +234,6 @@ static handler *innobase_create_handler(handlerton *hton, TABLE_SHARE *table, MEM_ROOT *mem_root); -/*********************************************************************** -This function checks each index name for a table against reserved -system default primary index name 'GEN_CLUST_INDEX'. If a name matches, -this function pushes an error message to the client, and returns true. */ -static -bool -innobase_index_name_is_reserved( -/*============================*/ - /* out: true if index name matches a - reserved name */ - const trx_t* trx, /* in: InnoDB transaction handle */ - const TABLE* form, /* in: information on table - columns and indexes */ - const char* norm_name); /* in: table name */ - /* "GEN_CLUST_INDEX" is the name reserved for Innodb default system primary index. */ static const char innobase_index_reserve_name[]= "GEN_CLUST_INDEX"; @@ -2267,6 +2256,7 @@ innobase_change_buffering_inited_ok: pthread_mutex_init(&prepare_commit_mutex, MY_MUTEX_INIT_FAST); pthread_mutex_init(&commit_threads_m, MY_MUTEX_INIT_FAST); pthread_mutex_init(&commit_cond_m, MY_MUTEX_INIT_FAST); + pthread_mutex_init(&analyze_mutex, MY_MUTEX_INIT_FAST); pthread_cond_init(&commit_cond, NULL); innodb_inited= 1; #ifdef MYSQL_DYNAMIC_PLUGIN @@ -2321,6 +2311,7 @@ innobase_end( pthread_mutex_destroy(&prepare_commit_mutex); pthread_mutex_destroy(&commit_threads_m); pthread_mutex_destroy(&commit_cond_m); + pthread_mutex_destroy(&analyze_mutex); pthread_cond_destroy(&commit_cond); } @@ -2599,6 +2590,8 @@ innobase_rollback( innobase_release_stat_resources(trx); + trx->n_autoinc_rows = 0; /* Reset the number AUTO-INC rows required */ + /* If we had reserved the auto-inc lock for some table (if we come here to roll back the latest SQL statement) we release it now before a possibly lengthy rollback */ @@ -3160,7 +3153,7 @@ retry: if (is_part) { sql_print_error("Failed to open table %s after " - "%lu attemtps.\n", norm_name, + "%lu attempts.\n", norm_name, retries); } @@ -3759,7 +3752,10 @@ ha_innobase::store_key_val_for_row( } else if (mysql_type == MYSQL_TYPE_TINY_BLOB || mysql_type == MYSQL_TYPE_MEDIUM_BLOB || mysql_type == MYSQL_TYPE_BLOB - || mysql_type == MYSQL_TYPE_LONG_BLOB) { + || mysql_type == MYSQL_TYPE_LONG_BLOB + /* MYSQL_TYPE_GEOMETRY data is treated + as BLOB data in innodb. */ + || mysql_type == MYSQL_TYPE_GEOMETRY) { CHARSET_INFO* cs; ulint key_len; @@ -5061,6 +5057,11 @@ ha_innobase::index_read( index = prebuilt->index; + if (UNIV_UNLIKELY(index == NULL)) { + prebuilt->index_usable = FALSE; + DBUG_RETURN(HA_ERR_CRASHED); + } + /* Note that if the index for which the search template is built is not necessarily prebuilt->index, but can also be the clustered index */ @@ -5220,6 +5221,7 @@ ha_innobase::change_active_index( if (UNIV_UNLIKELY(!prebuilt->index)) { sql_print_warning("InnoDB: change_active_index(%u) failed", keynr); + prebuilt->index_usable = FALSE; DBUG_RETURN(1); } @@ -5683,7 +5685,7 @@ create_table_def( number fits in one byte in prtype */ push_warning_printf( (THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_CANT_CREATE_TABLE, "In InnoDB, charset-collation codes" " must be below 256." @@ -5717,7 +5719,7 @@ create_table_def( if (dict_col_name_is_reserved(field->field_name)){ push_warning_printf( (THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_CANT_CREATE_TABLE, "Error creating table '%s' with " "column name '%s'. '%s' is a " @@ -5951,7 +5953,7 @@ create_options_are_valid( /* Valid value. */ break; default: - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: invalid" " KEY_BLOCK_SIZE = %lu." @@ -5965,7 +5967,7 @@ create_options_are_valid( /* If KEY_BLOCK_SIZE was specified, check for its dependencies. */ if (kbs_specified && !srv_file_per_table) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: KEY_BLOCK_SIZE" " requires innodb_file_per_table."); @@ -5973,7 +5975,7 @@ create_options_are_valid( } if (kbs_specified && srv_file_format < DICT_TF_FORMAT_ZIP) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: KEY_BLOCK_SIZE" " requires innodb_file_format >" @@ -5997,7 +5999,7 @@ create_options_are_valid( if (!srv_file_per_table) { push_warning_printf( thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: ROW_FORMAT=%s" " requires innodb_file_per_table.", @@ -6009,7 +6011,7 @@ create_options_are_valid( if (srv_file_format < DICT_TF_FORMAT_ZIP) { push_warning_printf( thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: ROW_FORMAT=%s" " requires innodb_file_format >" @@ -6026,7 +6028,7 @@ create_options_are_valid( && form->s->row_type == ROW_TYPE_DYNAMIC) { push_warning_printf( thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: cannot specify" " ROW_FORMAT = DYNAMIC with" @@ -6050,7 +6052,7 @@ create_options_are_valid( if (kbs_specified) { push_warning_printf( thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: cannot specify" " ROW_FORMAT = %s with" @@ -6063,7 +6065,7 @@ create_options_are_valid( default: push_warning(thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, + MYSQL_ERROR::WARN_LEVEL_WARN, ER_ILLEGAL_HA_CREATE_OPTION, "InnoDB: invalid ROW_FORMAT specifier."); ret = FALSE; @@ -6127,13 +6129,15 @@ ha_innobase::create( 1. /: for normal table creation 2. full path: for temp table creation, or sym link - When srv_file_per_table is on, check for full path pattern, i.e. + When srv_file_per_table is on and mysqld_embedded is off, + check for full path pattern, i.e. X:\dir\..., X is a driver letter, or \\dir1\dir2\..., UNC path returns error if it is in full path format, but not creating a temp. table. Currently InnoDB does not support symbolic link on Windows. */ if (srv_file_per_table + && !mysqld_embedded && (!create_info->options & HA_LEX_CREATE_TMP_TABLE)) { if ((name[1] == ':') @@ -6337,7 +6341,8 @@ ha_innobase::create( /* Check for name conflicts (with reserved name) for any user indices to be created. */ - if (innobase_index_name_is_reserved(trx, form, norm_name)) { + if (innobase_index_name_is_reserved(trx, form->key_info, + form->s->keys)) { error = -1; goto cleanup; } @@ -6424,18 +6429,22 @@ ha_innobase::create( setup at this stage and so we use thd. */ /* We need to copy the AUTOINC value from the old table if - this is an ALTER TABLE. */ + this is an ALTER TABLE or CREATE INDEX because CREATE INDEX + does a table copy too. */ if (((create_info->used_fields & HA_CREATE_USED_AUTO) - || thd_sql_command(thd) == SQLCOM_ALTER_TABLE) - && create_info->auto_increment_value != 0) { + || thd_sql_command(thd) == SQLCOM_ALTER_TABLE + || thd_sql_command(thd) == SQLCOM_CREATE_INDEX) + && create_info->auto_increment_value > 0) { - /* Query was ALTER TABLE...AUTO_INCREMENT = x; or - CREATE TABLE ...AUTO_INCREMENT = x; Find out a table - definition from the dictionary and get the current value - of the auto increment field. Set a new value to the - auto increment field if the value is greater than the - maximum value in the column. */ + /* Query was one of : + CREATE TABLE ...AUTO_INCREMENT = x; or + ALTER TABLE...AUTO_INCREMENT = x; or + CREATE INDEX x on t(...); + Find out a table definition from the dictionary and get + the current value of the auto increment field. Set a new + value to the auto increment field if the value is greater + than the maximum value in the column. */ auto_inc_value = create_info->auto_increment_value; @@ -7289,9 +7298,15 @@ ha_innobase::analyze( THD* thd, /*!< in: connection thread handle */ HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ { + /* Serialize ANALYZE TABLE inside InnoDB, see + Bug#38996 Race condition in ANALYZE TABLE */ + pthread_mutex_lock(&analyze_mutex); + /* Simply call ::info() with all the flags */ info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); + pthread_mutex_unlock(&analyze_mutex); + return(0); } @@ -8767,6 +8782,7 @@ ha_innobase::get_auto_increment( AUTOINC counter after attempting to insert the row. */ if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { ulonglong need; + ulonglong current; ulonglong next_value; ulonglong col_max_value; @@ -8775,11 +8791,12 @@ ha_innobase::get_auto_increment( col_max_value = innobase_get_int_col_max_value( table->next_number_field); + current = *first_value > col_max_value ? autoinc : *first_value; need = *nb_reserved_values * increment; /* Compute the last value in the interval */ next_value = innobase_next_autoinc( - *first_value, need, offset, col_max_value); + current, need, offset, col_max_value); prebuilt->autoinc_last_value = next_value; @@ -9798,36 +9815,39 @@ static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) /*********************************************************************** This function checks each index name for a table against reserved system default primary index name 'GEN_CLUST_INDEX'. If a name matches, -this function pushes an error message to the client, and returns true. */ -static +this function pushes an warning message to the client, and returns true. */ +extern "C" UNIV_INTERN bool innobase_index_name_is_reserved( /*============================*/ /* out: true if an index name matches the reserved name */ const trx_t* trx, /* in: InnoDB transaction handle */ - const TABLE* form, /* in: information on table - columns and indexes */ - const char* norm_name) /* in: table name */ + const KEY* key_info, /* in: Indexes to be created */ + ulint num_of_keys) /* in: Number of indexes to + be created. */ { - KEY* key; + const KEY* key; uint key_num; /* index number */ - for (key_num = 0; key_num < form->s->keys; key_num++) { - key = form->key_info + key_num; + for (key_num = 0; key_num < num_of_keys; key_num++) { + key = &key_info[key_num]; if (innobase_strcasecmp(key->name, innobase_index_reserve_name) == 0) { /* Push warning to mysql */ push_warning_printf((THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_ERROR, - ER_CANT_CREATE_TABLE, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_NAME_FOR_INDEX, "Cannot Create Index with name " "'%s'. The name is reserved " "for the system default primary " "index.", innobase_index_reserve_name); + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + innobase_index_reserve_name); + return(true); } } diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index cc98003f8ff..498af50217d 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -282,3 +282,21 @@ trx_t* innobase_trx_allocate( /*==================*/ MYSQL_THD thd); /*!< in: user thread handle */ + + +/*********************************************************************//** +This function checks each index name for a table against reserved +system default primary index name 'GEN_CLUST_INDEX'. If a name +matches, this function pushes an warning message to the client, +and returns true. */ +extern "C" +bool +innobase_index_name_is_reserved( +/*============================*/ + /* out: true if the index name + matches the reserved name */ + const trx_t* trx, /* in: InnoDB transaction handle */ + const KEY* key_info, /* in: Indexes to be created */ + ulint num_of_keys); /* in: Number of indexes to + be created. */ + diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 1aa0e6b126c..37aed06b28a 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -628,7 +628,7 @@ ha_innobase::add_index( ulint num_created = 0; ibool dict_locked = FALSE; ulint new_primary; - ulint error; + int error; DBUG_ENTER("ha_innobase::add_index"); ut_a(table); @@ -656,9 +656,13 @@ ha_innobase::add_index( innodb_table = indexed_table = dict_table_get(prebuilt->table->name, FALSE); - /* Check that index keys are sensible */ - - error = innobase_check_index_keys(key_info, num_of_keys); + /* Check if the index name is reserved. */ + if (innobase_index_name_is_reserved(trx, key_info, num_of_keys)) { + error = -1; + } else { + /* Check that index keys are sensible */ + error = innobase_check_index_keys(key_info, num_of_keys); + } if (UNIV_UNLIKELY(error)) { err_exit: diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 732ce6334e2..9295cc4f5ef 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -436,6 +436,27 @@ ibuf_count_set( } #endif +/******************************************************************//** +Closes insert buffer and frees the data structures. */ +UNIV_INTERN +void +ibuf_close(void) +/*============*/ +{ + mutex_free(&ibuf_pessimistic_insert_mutex); + memset(&ibuf_pessimistic_insert_mutex, + 0x0, sizeof(ibuf_pessimistic_insert_mutex)); + + mutex_free(&ibuf_mutex); + memset(&ibuf_mutex, 0x0, sizeof(ibuf_mutex)); + + mutex_free(&ibuf_bitmap_mutex); + memset(&ibuf_bitmap_mutex, 0x0, sizeof(ibuf_mutex)); + + mem_free(ibuf); + ibuf = NULL; +} + /******************************************************************//** Updates the size information of the ibuf, assuming the segment size has not changed. */ diff --git a/include/btr0sea.h b/include/btr0sea.h index 631b3bd386c..f98ba386f9c 100644 --- a/include/btr0sea.h +++ b/include/btr0sea.h @@ -41,6 +41,12 @@ void btr_search_sys_create( /*==================*/ ulint hash_size); /*!< in: hash index hash table size */ +/*****************************************************************//** +Frees the adaptive search system at a database shutdown. */ +UNIV_INTERN +void +btr_search_sys_free(void); +/*=====================*/ /********************************************************************//** Disable the adaptive hash search system and empty the index. */ diff --git a/include/buf0buf.h b/include/buf0buf.h index 7b407c95881..59774014165 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1158,7 +1158,7 @@ struct buf_page_struct{ debugging */ #endif /* UNIV_DEBUG */ unsigned old:1; /*!< TRUE if the block is in the old - blocks in the LRU list */ + blocks in buf_pool->LRU_old */ unsigned freed_page_clock:31;/*!< the value of buf_pool->freed_page_clock when this block was the last @@ -1446,8 +1446,7 @@ struct buf_pool_struct{ the block to which LRU_old points onward, including that block; see buf0lru.c for the restrictions - on this value; not defined if - LRU_old == NULL; + on this value; 0 if LRU_old == NULL; NOTE: LRU_old_len must be adjusted whenever LRU_old shrinks or grows! */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 8b1f904a090..0f92a59a1c7 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -466,10 +466,19 @@ buf_page_set_old( ut_ad(bpage->in_LRU_list); #ifdef UNIV_LRU_DEBUG - if (UT_LIST_GET_PREV(LRU, bpage) && UT_LIST_GET_NEXT(LRU, bpage) - && UT_LIST_GET_PREV(LRU, bpage)->old - == UT_LIST_GET_NEXT(LRU, bpage)->old) { - ut_a(UT_LIST_GET_PREV(LRU, bpage)->old == old); + ut_a((buf_pool->LRU_old_len == 0) == (buf_pool->LRU_old == NULL)); + /* If a block is flagged "old", the LRU_old list must exist. */ + ut_a(!old || buf_pool->LRU_old); + + if (UT_LIST_GET_PREV(LRU, bpage) && UT_LIST_GET_NEXT(LRU, bpage)) { + const buf_page_t* prev = UT_LIST_GET_PREV(LRU, bpage); + const buf_page_t* next = UT_LIST_GET_NEXT(LRU, bpage); + if (prev->old == next->old) { + ut_a(prev->old == old); + } else { + ut_a(!prev->old); + ut_a(buf_pool->LRU_old == (old ? bpage : next)); + } } #endif /* UNIV_LRU_DEBUG */ diff --git a/include/dict0dict.h b/include/dict0dict.h index d425241a3a2..12396556c2d 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -1151,6 +1151,13 @@ void dict_ind_init(void); /*===============*/ +/**********************************************************************//** +Closes the data dictionary module. */ +UNIV_INTERN +void +dict_close(void); +/*============*/ + #ifndef UNIV_NONINL #include "dict0dict.ic" #endif diff --git a/include/fil0fil.h b/include/fil0fil.h index 04eaeeea95d..d3159d67e1c 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -224,15 +224,6 @@ fil_space_create( 0 for uncompressed tablespaces */ ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ /*******************************************************************//** -Frees a space object from a the tablespace memory cache. Closes the files in -the chain but does not delete them. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_space_free( -/*===========*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** Returns the size of the space in pages. The tablespace must be cached in the memory cache. @return space size, 0 if space not found */ @@ -278,6 +269,12 @@ fil_init( ulint hash_size, /*!< in: hash table size */ ulint max_n_open); /*!< in: max number of open files */ /*******************************************************************//** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_close(void); +/*===========*/ +/*******************************************************************//** Opens all log files and system tablespace data files. They stay open until the database server shutdown. This should be called at a server startup after the space objects for the log and the system tablespace have been created. The diff --git a/include/ibuf0ibuf.h b/include/ibuf0ibuf.h index 7f2bdd5e059..0f1631fde77 100644 --- a/include/ibuf0ibuf.h +++ b/include/ibuf0ibuf.h @@ -380,6 +380,12 @@ ulint ibuf_rec_get_counter( /*=================*/ const rec_t* rec); /*!< in: ibuf record */ +/******************************************************************//** +Closes insert buffer and frees the data structures. */ +UNIV_INTERN +void +ibuf_close(void); +/*============*/ #define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO #define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO diff --git a/include/lock0lock.h b/include/lock0lock.h index aeabe39e1a9..82e4c9bd976 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -59,6 +59,12 @@ lock_sys_create( /*============*/ ulint n_cells); /*!< in: number of slots in lock hash table */ /*********************************************************************//** +Closes the lock system at database shutdown. */ +UNIV_INTERN +void +lock_sys_close(void); +/*================*/ +/*********************************************************************//** Checks if some transaction has an implicit x-lock on a record in a clustered index. @return transaction which has the x-lock, or NULL */ diff --git a/include/log0log.h b/include/log0log.h index 299b4a05b40..135aeb69e2d 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -572,6 +572,18 @@ UNIV_INTERN void log_refresh_stats(void); /*===================*/ +/********************************************************** +Shutdown the log system but do not release all the memory. */ +UNIV_INTERN +void +log_shutdown(void); +/*==============*/ +/********************************************************** +Free the log system data structures. */ +UNIV_INTERN +void +log_mem_free(void); +/*==============*/ extern log_t* log_sys; @@ -584,7 +596,7 @@ extern log_t* log_sys; #define LOG_RECOVER 98887331 /* The counting of lsn's starts from this value: this must be non-zero */ -#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_SIZE)) +#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_SIZE)) #define LOG_BUFFER_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE) #define LOG_ARCHIVE_BUF_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE / 4) @@ -721,9 +733,12 @@ struct log_group_struct{ ulint lsn_offset; /*!< the offset of the above lsn */ ulint n_pending_writes;/*!< number of currently pending flush writes for this log group */ + byte** file_header_bufs_ptr;/*!< unaligned buffers */ byte** file_header_bufs;/*!< buffers for each file header in the group */ +#ifdef UNIV_LOG_ARCHIVE /*-----------------------------*/ + byte** archive_file_header_bufs_ptr;/*!< unaligned buffers */ byte** archive_file_header_bufs;/*!< buffers for each file header in the group */ ulint archive_space_id;/*!< file space which @@ -742,10 +757,12 @@ struct log_group_struct{ completion function then sets the new value to ..._file_no */ ulint next_archived_offset; /*!< like the preceding field */ +#endif /* UNIV_LOG_ARCHIVE */ /*-----------------------------*/ ib_uint64_t scanned_lsn; /*!< used only in recovery: recovery scan succeeded up to this lsn in this log group */ + byte* checkpoint_buf_ptr;/*!< unaligned checkpoint header */ byte* checkpoint_buf; /*!< checkpoint header is written from this buffer to the group */ UT_LIST_NODE_T(log_group_t) @@ -763,6 +780,7 @@ struct log_struct{ #ifndef UNIV_HOTBACKUP mutex_t mutex; /*!< mutex protecting the log */ #endif /* !UNIV_HOTBACKUP */ + byte* buf_ptr; /* unaligned log buffer */ byte* buf; /*!< log buffer */ ulint buf_size; /*!< log buffer size in bytes */ ulint max_buf_free; /*!< recommended maximum value of @@ -899,6 +917,7 @@ struct log_struct{ should wait for this without owning the log mutex */ #endif /* !UNIV_HOTBACKUP */ + byte* checkpoint_buf_ptr;/* unaligned checkpoint header */ byte* checkpoint_buf; /*!< checkpoint header is read to this buffer */ /* @} */ diff --git a/include/log0recv.h b/include/log0recv.h index 8468c213bdb..a3d2bd050f5 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -239,6 +239,18 @@ UNIV_INTERN void recv_sys_create(void); /*=================*/ +/**********************************************************//** +Release recovery system mutexes. */ +UNIV_INTERN +void +recv_sys_close(void); +/*================*/ +/********************************************************//** +Frees the recovery system memory. */ +UNIV_INTERN +void +recv_sys_mem_free(void); +/*===================*/ /********************************************************//** Inits the recovery system for a recovery operation. */ UNIV_INTERN @@ -246,6 +258,12 @@ void recv_sys_init( /*==========*/ ulint available_memory); /*!< in: available memory in bytes */ +/********************************************************//** +Reset the state of the recovery system variables. */ +UNIV_INTERN +void +recv_sys_var_init(void); +/*===================*/ /*******************************************************************//** Empties the hash table of stored log records, applying them to appropriate pages. */ @@ -433,6 +451,11 @@ are allowed yet: the variable name is misleading. */ extern ibool recv_no_ibuf_operations; /** TRUE when recv_init_crash_recovery() has been called. */ extern ibool recv_needed_recovery; +#ifdef UNIV_DEBUG +/** TRUE if writing to the redo log (mtr_commit) is forbidden. +Protected by log_sys->mutex. */ +extern ibool recv_no_log_write; +#endif /* UNIV_DEBUG */ /** TRUE if buf_page_is_corrupted() should check if the log sequence number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by diff --git a/include/mem0mem.h b/include/mem0mem.h index db75dd5f43c..f8c70711c43 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -82,6 +82,13 @@ void mem_init( /*=====*/ ulint size); /*!< in: common pool size in bytes */ +/******************************************************************//** +Closes the memory system. */ +UNIV_INTERN +void +mem_close(void); +/*===========*/ + /**************************************************************//** Use this macro instead of the corresponding function! Macro for memory heap creation. */ diff --git a/include/mem0pool.h b/include/mem0pool.h index 18f988241d6..5e93bf88a47 100644 --- a/include/mem0pool.h +++ b/include/mem0pool.h @@ -62,6 +62,13 @@ mem_pool_create( /*============*/ ulint size); /*!< in: pool size in bytes */ /********************************************************************//** +Frees a memory pool. */ +UNIV_INTERN +void +mem_pool_free( +/*==========*/ + mem_pool_t* pool); /*!< in, own: memory pool */ +/********************************************************************//** Allocates memory from a pool. NOTE: This low-level function should only be used in mem0mem.*! @return own: allocated memory buffer */ diff --git a/include/os0file.h b/include/os0file.h index caa9cff145f..d0da3046950 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -151,7 +151,8 @@ log. */ to become available again */ #define OS_FILE_SHARING_VIOLATION 76 #define OS_FILE_ERROR_NOT_SPECIFIED 77 -#define OS_FILE_AIO_INTERRUPTED 78 +#define OS_FILE_INSUFFICIENT_RESOURCE 78 +#define OS_FILE_AIO_INTERRUPTED 79 /* @} */ /** Types for aio operations @{ */ @@ -614,6 +615,13 @@ os_aio_init( ulint n_write_segs, /*prebuilts */ ulint magic_n2; /*!< this should be the same as magic_n */ }; diff --git a/include/srv0srv.h b/include/srv0srv.h index e1642ce2e66..e0cbc32113e 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -416,7 +416,7 @@ void srv_init(void); /*==========*/ /*********************************************************************//** -Frees the OS fast mutex created in srv_boot(). */ +Frees the data structures created in srv_init(). */ UNIV_INTERN void srv_free(void); diff --git a/include/thr0loc.h b/include/thr0loc.h index b4bdc33e615..b7eb29f2ed0 100644 --- a/include/thr0loc.h +++ b/include/thr0loc.h @@ -39,6 +39,12 @@ UNIV_INTERN void thr_local_init(void); /*================*/ + /****************************************************************//** +Close the thread local storage module. */ +UNIV_INTERN +void +thr_local_close(void); +/*=================*/ /*******************************************************************//** Creates a local storage struct for the calling new thread. */ UNIV_INTERN diff --git a/include/trx0i_s.h b/include/trx0i_s.h index 9bf032de9f9..7bd4e1b88c8 100644 --- a/include/trx0i_s.h +++ b/include/trx0i_s.h @@ -141,6 +141,13 @@ void trx_i_s_cache_init( /*===============*/ trx_i_s_cache_t* cache); /*!< out: cache to init */ +/*******************************************************************//** +Free the INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_free( +/*===============*/ + trx_i_s_cache_t* cache); /*!< in/out: cache to free */ /*******************************************************************//** Issue a shared/read lock on the tables cache. */ diff --git a/include/trx0purge.h b/include/trx0purge.h index 7812ad7eb92..908760580f6 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -71,6 +71,12 @@ void trx_purge_sys_create(void); /*======================*/ /********************************************************************//** +Frees the global purge system control structure. */ +UNIV_INTERN +void +trx_purge_sys_close(void); +/*======================*/ +/************************************************************************ Adds the update undo log as the first log in the history list. Removes the update undo log segment from the rseg slot if it is too big for reuse. */ UNIV_INTERN diff --git a/include/trx0rseg.h b/include/trx0rseg.h index dbc732651ca..ba1fc88b6c4 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -125,6 +125,13 @@ trx_rseg_create( ulint max_size, /*!< in: max size in pages */ ulint* id, /*!< out: rseg id */ mtr_t* mtr); /*!< in: mtr */ +/*************************************************************************** +Free's an instance of the rollback segment in memory. */ +UNIV_INTERN +void +trx_rseg_mem_free( +/*==============*/ + trx_rseg_t* rseg); /* in, own: instance to free */ /* Number of undo log slots in a rollback segment file copy */ diff --git a/include/trx0sys.h b/include/trx0sys.h index 812e8cfa0ba..a53296a06d9 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -334,6 +334,12 @@ void trx_sys_file_format_tag_init(void); /*==============================*/ /*****************************************************************//** +Shutdown/Close the transaction system. */ +UNIV_INTERN +void +trx_sys_close(void); +/*===============*/ +/*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the name */ UNIV_INTERN diff --git a/include/trx0types.h b/include/trx0types.h index 08cc9622d02..24cf57d53d5 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -70,7 +70,7 @@ typedef struct trx_named_savept_struct trx_named_savept_t; enum trx_rb_ctx { RB_NONE = 0, /*!< no rollback */ RB_NORMAL, /*!< normal rollback */ - RB_RECOVERY, /*!< rolling back an incomplete transaction, + RB_RECOVERY /*!< rolling back an incomplete transaction, in crash recovery */ }; diff --git a/include/trx0undo.h b/include/trx0undo.h index 4db10eaa92e..a084f2394b5 100644 --- a/include/trx0undo.h +++ b/include/trx0undo.h @@ -333,6 +333,13 @@ trx_undo_parse_discard_latest( byte* end_ptr,/*!< in: buffer end */ page_t* page, /*!< in: page or NULL */ mtr_t* mtr); /*!< in: mtr or NULL */ +/************************************************************************ +Frees an undo log memory copy. */ +UNIV_INTERN +void +trx_undo_mem_free( +/*==============*/ + trx_undo_t* undo); /* in: the undo object to be freed */ /* Types of an undo log segment */ #define TRX_UNDO_INSERT 1 /* contains undo entries for inserts */ diff --git a/include/univ.i b/include/univ.i index d773c7f6487..641d3c5c17e 100644 --- a/include/univ.i +++ b/include/univ.i @@ -240,7 +240,7 @@ by one. */ /* Linkage specifier for non-static InnoDB symbols (variables and functions) that are only referenced from within InnoDB, not from MySQL */ -#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(UNIV_HOTBACKUP) +#if defined(__GNUC__) && (__GNUC__ >= 4) || defined(__INTEL_COMPILER) # define UNIV_INTERN __attribute__((visibility ("hidden"))) #else # define UNIV_INTERN diff --git a/include/usr0sess.h b/include/usr0sess.h index 7638a0c69e2..2c288f7d455 100644 --- a/include/usr0sess.h +++ b/include/usr0sess.h @@ -44,14 +44,12 @@ sess_t* sess_open(void); /*============*/ /*********************************************************************//** -Closes a session, freeing the memory occupied by it, if it is in a state -where it should be closed. -@return TRUE if closed */ +Closes a session, freeing the memory occupied by it. */ UNIV_INTERN -ibool -sess_try_close( -/*===========*/ - sess_t* sess); /*!< in, own: session object */ +void +sess_close( +/*=======*/ + sess_t* sess); /* in, own: session object */ /* The session handle. All fields are protected by the kernel mutex */ struct sess_struct{ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 20d444af3f4..736198dc346 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -577,6 +577,23 @@ lock_sys_create( ut_a(lock_latest_err_file); } +/*********************************************************************//** +Closes the lock system at database shutdown. */ +UNIV_INTERN +void +lock_sys_close(void) +/*================*/ +{ + if (lock_latest_err_file != NULL) { + fclose(lock_latest_err_file); + lock_latest_err_file = NULL; + } + + hash_table_free(lock_sys->rec_hash); + mem_free(lock_sys); + lock_sys = NULL; +} + /*********************************************************************//** Gets the size of a lock struct. @return size in bytes */ @@ -4633,6 +4650,10 @@ lock_rec_queue_validate( next function call: we have to release lock table mutex to obey the latching order */ + /* If this thread is holding the file space latch + (fil_space_t::latch), the following check WILL break + latching order and may cause a deadlock of threads. */ + impl_trx = lock_sec_rec_some_has_impl_off_kernel( rec, index, offsets); @@ -4756,6 +4777,11 @@ loop: lock_mutex_exit_kernel(); + /* If this thread is holding the file space + latch (fil_space_t::latch), the following + check WILL break the latching order and may + cause a deadlock of threads. */ + lock_rec_queue_validate(block, rec, index, offsets); lock_mutex_enter_kernel(); diff --git a/log/log0log.c b/log/log0log.c index 85de72bb768..d5b696074b3 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -241,6 +241,7 @@ log_reserve_and_open( ut_a(len < log->buf_size / 2); loop: mutex_enter(&(log->mutex)); + ut_ad(!recv_no_log_write); /* Calculate an upper limit for the space the string may take in the log buffer */ @@ -309,6 +310,7 @@ log_write_low( ut_ad(mutex_own(&(log->mutex))); part_loop: + ut_ad(!recv_no_log_write); /* Calculate a part length */ data_len = (log->buf_free % OS_FILE_LOG_BLOCK_SIZE) + str_len; @@ -377,6 +379,7 @@ log_close(void) ib_uint64_t checkpoint_age; ut_ad(mutex_own(&(log->mutex))); + ut_ad(!recv_no_log_write); lsn = log->lsn; @@ -668,8 +671,6 @@ log_calc_max_ages(void) ulint archive_margin; ulint smallest_archive_margin; - ut_ad(!mutex_own(&(log_sys->mutex))); - mutex_enter(&(log_sys->mutex)); group = UT_LIST_GET_FIRST(log_sys->log_groups); @@ -770,8 +771,6 @@ void log_init(void) /*==========*/ { - byte* buf; - log_sys = mem_alloc(sizeof(log_t)); mutex_create(&log_sys->mutex, SYNC_LOG); @@ -786,8 +785,8 @@ log_init(void) ut_a(LOG_BUFFER_SIZE >= 16 * OS_FILE_LOG_BLOCK_SIZE); ut_a(LOG_BUFFER_SIZE >= 4 * UNIV_PAGE_SIZE); - buf = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); - log_sys->buf = ut_align(buf, OS_FILE_LOG_BLOCK_SIZE); + log_sys->buf_ptr = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); + log_sys->buf = ut_align(log_sys->buf_ptr, OS_FILE_LOG_BLOCK_SIZE); log_sys->buf_size = LOG_BUFFER_SIZE; @@ -832,9 +831,9 @@ log_init(void) rw_lock_create(&log_sys->checkpoint_lock, SYNC_NO_ORDER_CHECK); - log_sys->checkpoint_buf - = ut_align(mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE), - OS_FILE_LOG_BLOCK_SIZE); + log_sys->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); + log_sys->checkpoint_buf = ut_align(log_sys->checkpoint_buf_ptr, + OS_FILE_LOG_BLOCK_SIZE); memset(log_sys->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); /*----------------------------*/ @@ -917,23 +916,33 @@ log_group_init( group->lsn_offset = LOG_FILE_HDR_SIZE; group->n_pending_writes = 0; + group->file_header_bufs_ptr = mem_alloc(sizeof(byte*) * n_files); group->file_header_bufs = mem_alloc(sizeof(byte*) * n_files); #ifdef UNIV_LOG_ARCHIVE + group->archive_file_header_bufs_ptr = mem_alloc( + sizeof(byte*) * n_files); group->archive_file_header_bufs = mem_alloc(sizeof(byte*) * n_files); #endif /* UNIV_LOG_ARCHIVE */ for (i = 0; i < n_files; i++) { - *(group->file_header_bufs + i) = ut_align( - mem_alloc(LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE), + group->file_header_bufs_ptr[i] = mem_alloc( + LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + + group->file_header_bufs[i] = ut_align( + group->file_header_bufs_ptr[i], OS_FILE_LOG_BLOCK_SIZE); memset(*(group->file_header_bufs + i), '\0', LOG_FILE_HDR_SIZE); #ifdef UNIV_LOG_ARCHIVE - *(group->archive_file_header_bufs + i) = ut_align( - mem_alloc(LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE), + group->archive_file_header_bufs_ptr[i] = mem_alloc( + LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + + group->archive_file_header_bufs[i] = ut_align( + group->archive_file_header_bufs_ptr[i], OS_FILE_LOG_BLOCK_SIZE); + memset(*(group->archive_file_header_bufs + i), '\0', LOG_FILE_HDR_SIZE); #endif /* UNIV_LOG_ARCHIVE */ @@ -946,8 +955,9 @@ log_group_init( group->archived_offset = 0; #endif /* UNIV_LOG_ARCHIVE */ - group->checkpoint_buf = ut_align( - mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE), OS_FILE_LOG_BLOCK_SIZE); + group->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); + group->checkpoint_buf = ut_align(group->checkpoint_buf_ptr, + OS_FILE_LOG_BLOCK_SIZE); memset(group->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); @@ -1117,6 +1127,7 @@ log_io_complete( } mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); ut_a(group->n_pending_writes > 0); ut_a(log_sys->n_pending_writes > 0); @@ -1148,6 +1159,7 @@ log_group_file_header_flush( ulint dest_offset; ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(!recv_no_log_write); ut_a(nth_file < group->n_files); buf = *(group->file_header_bufs + nth_file); @@ -1219,6 +1231,7 @@ log_group_write_buf( ulint i; ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(!recv_no_log_write); ut_a(len % OS_FILE_LOG_BLOCK_SIZE == 0); ut_a(((ulint) start_lsn) % OS_FILE_LOG_BLOCK_SIZE == 0); @@ -1361,6 +1374,7 @@ loop: #endif mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); if (flush_to_disk && log_sys->flushed_to_disk_lsn >= lsn) { @@ -1974,6 +1988,7 @@ log_checkpoint( mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); oldest_lsn = log_buf_pool_get_oldest_modification(); mutex_exit(&(log_sys->mutex)); @@ -2086,6 +2101,7 @@ loop: do_checkpoint = FALSE; mutex_enter(&(log->mutex)); + ut_ad(!recv_no_log_write); if (log->check_flush_or_checkpoint == FALSE) { mutex_exit(&(log->mutex)); @@ -3035,6 +3051,7 @@ loop: #endif /* UNIV_LOG_ARCHIVE */ mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); if (log_sys->check_flush_or_checkpoint) { @@ -3356,4 +3373,95 @@ log_refresh_stats(void) log_sys->n_log_ios_old = log_sys->n_log_ios; log_sys->last_printout_time = time(NULL); } + +/********************************************************************** +Closes a log group. */ +static +void +log_group_close( +/*===========*/ + log_group_t* group) /* in,own: log group to close */ +{ + ulint i; + + for (i = 0; i < group->n_files; i++) { + mem_free(group->file_header_bufs_ptr[i]); +#ifdef UNIV_LOG_ARCHIVE + mem_free(group->archive_file_header_bufs_ptr[i]); +#endif /* UNIV_LOG_ARCHIVE */ + } + + mem_free(group->file_header_bufs_ptr); + mem_free(group->file_header_bufs); + +#ifdef UNIV_LOG_ARCHIVE + mem_free(group->archive_file_header_bufs_ptr); + mem_free(group->archive_file_header_bufs); +#endif /* UNIV_LOG_ARCHIVE */ + + mem_free(group->checkpoint_buf_ptr); + + mem_free(group); +} + +/********************************************************** +Shutdown the log system but do not release all the memory. */ +UNIV_INTERN +void +log_shutdown(void) +/*==============*/ +{ + log_group_t* group; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (UT_LIST_GET_LEN(log_sys->log_groups) > 0) { + log_group_t* prev_group = group; + + group = UT_LIST_GET_NEXT(log_groups, group); + UT_LIST_REMOVE(log_groups, log_sys->log_groups, prev_group); + + log_group_close(prev_group); + } + + mem_free(log_sys->buf_ptr); + log_sys->buf_ptr = NULL; + log_sys->buf = NULL; + mem_free(log_sys->checkpoint_buf_ptr); + log_sys->checkpoint_buf_ptr = NULL; + log_sys->checkpoint_buf = NULL; + + os_event_free(log_sys->no_flush_event); + os_event_free(log_sys->one_flushed_event); + + rw_lock_free(&log_sys->checkpoint_lock); + + mutex_free(&log_sys->mutex); + +#ifdef UNIV_LOG_ARCHIVE + rw_lock_free(&log_sys->archive_lock); + os_event_create(log_sys->archiving_on); +#endif /* UNIV_LOG_ARCHIVE */ + +#ifdef UNIV_LOG_DEBUG + recv_sys_debug_free(); +#endif + + recv_sys_close(); +} + +/********************************************************** +Free the log system data structures. */ +UNIV_INTERN +void +log_mem_free(void) +/*==============*/ +{ + if (log_sys != NULL) { + recv_sys_mem_free(); + mem_free(log_sys); + + log_sys = NULL; + } +} #endif /* !UNIV_HOTBACKUP */ diff --git a/log/log0recv.c b/log/log0recv.c index 3c23670be54..075417bd926 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -69,20 +69,25 @@ UNIV_INTERN recv_sys_t* recv_sys = NULL; /** TRUE when applying redo log records during crash recovery; FALSE otherwise. Note that this is FALSE while a background thread is rolling back incomplete transactions. */ -UNIV_INTERN ibool recv_recovery_on = FALSE; +UNIV_INTERN ibool recv_recovery_on; #ifdef UNIV_LOG_ARCHIVE /** TRUE when applying redo log records from an archived log file */ -UNIV_INTERN ibool recv_recovery_from_backup_on = FALSE; +UNIV_INTERN ibool recv_recovery_from_backup_on; #endif /* UNIV_LOG_ARCHIVE */ #ifndef UNIV_HOTBACKUP /** TRUE when recv_init_crash_recovery() has been called. */ -UNIV_INTERN ibool recv_needed_recovery = FALSE; +UNIV_INTERN ibool recv_needed_recovery; +# ifdef UNIV_DEBUG +/** TRUE if writing to the redo log (mtr_commit) is forbidden. +Protected by log_sys->mutex. */ +UNIV_INTERN ibool recv_no_log_write = FALSE; +# endif /* UNIV_DEBUG */ /** TRUE if buf_page_is_corrupted() should check if the log sequence number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by recv_recovery_from_checkpoint_start_func(). */ -UNIV_INTERN ibool recv_lsn_checks_on = FALSE; +UNIV_INTERN ibool recv_lsn_checks_on; /** There are two conditions under which we scan the logs, the first is normal startup and the second is when we do a recovery from an @@ -92,7 +97,7 @@ startup. If we find log entries that were written after the last checkpoint we know that the server was not cleanly shutdown. We must then initialize the crash recovery environment before attempting to store these entries in the log hash table. */ -static ibool recv_log_scan_is_startup_type = FALSE; +static ibool recv_log_scan_is_startup_type; /** If the following is TRUE, the buffer pool file pages must be invalidated after recovery and no ibuf operations are allowed; this becomes TRUE if @@ -103,7 +108,7 @@ buffer pool before the pages have been recovered to the up-to-date state. TRUE means that recovery is running and no operations on the log files are allowed yet: the variable name is misleading. */ -UNIV_INTERN ibool recv_no_ibuf_operations = FALSE; +UNIV_INTERN ibool recv_no_ibuf_operations; /** TRUE when the redo log is being backed up */ # define recv_is_making_a_backup FALSE /** TRUE when recovering from a backed up redo log file */ @@ -111,24 +116,24 @@ UNIV_INTERN ibool recv_no_ibuf_operations = FALSE; #else /* !UNIV_HOTBACKUP */ # define recv_needed_recovery FALSE /** TRUE when the redo log is being backed up */ -UNIV_INTERN ibool recv_is_making_a_backup = FALSE; +UNIV_INTERN ibool recv_is_making_a_backup = FALSE; /** TRUE when recovering from a backed up redo log file */ UNIV_INTERN ibool recv_is_from_backup = FALSE; # define buf_pool_get_curr_size() (5 * 1024 * 1024) #endif /* !UNIV_HOTBACKUP */ /** The following counter is used to decide when to print info on log scan */ -static ulint recv_scan_print_counter = 0; +static ulint recv_scan_print_counter; /** The type of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_type = 999999; +static ulint recv_previous_parsed_rec_type; /** The offset of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_offset = 0; +static ulint recv_previous_parsed_rec_offset; /** The 'multi' flag of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_is_multi = 0; +static ulint recv_previous_parsed_rec_is_multi; /** Maximum page number encountered in the redo log */ -UNIV_INTERN ulint recv_max_parsed_page_no = 0; +UNIV_INTERN ulint recv_max_parsed_page_no; /** This many frames must be left free in the buffer pool when we scan the log and store the scanned log records in the buffer pool: we will @@ -136,7 +141,7 @@ use these free frames to read in pages when we start applying the log records to the database. This is the default value. If the actual size of the buffer pool is larger than 10 MB we'll set this value to 512. */ -UNIV_INTERN ulint recv_n_pool_free_frames = 256; +UNIV_INTERN ulint recv_n_pool_free_frames; /** The maximum lsn we see for a page during the recovery process. If this is bigger than the lsn we are able to scan up to, that is an indication that @@ -167,7 +172,8 @@ recv_sys_create(void) return; } - recv_sys = mem_alloc(sizeof(recv_sys_t)); + recv_sys = mem_alloc(sizeof(*recv_sys)); + memset(recv_sys, 0x0, sizeof(*recv_sys)); mutex_create(&recv_sys->mutex, SYNC_RECV); @@ -176,6 +182,106 @@ recv_sys_create(void) } /********************************************************//** +Release recovery system mutexes. */ +UNIV_INTERN +void +recv_sys_close(void) +/*================*/ +{ + if (recv_sys != NULL) { + if (recv_sys->addr_hash != NULL) { + hash_table_free(recv_sys->addr_hash); + } + + if (recv_sys->heap != NULL) { + mem_heap_free(recv_sys->heap); + } + + if (recv_sys->buf != NULL) { + ut_free(recv_sys->buf); + } + + if (recv_sys->last_block_buf_start != NULL) { + mem_free(recv_sys->last_block_buf_start); + } + + mutex_free(&recv_sys->mutex); + + mem_free(recv_sys); + recv_sys = NULL; + } +} + +/********************************************************//** +Frees the recovery system memory. */ +UNIV_INTERN +void +recv_sys_mem_free(void) +/*===================*/ +{ + if (recv_sys != NULL) { + if (recv_sys->addr_hash != NULL) { + hash_table_free(recv_sys->addr_hash); + } + + if (recv_sys->heap != NULL) { + mem_heap_free(recv_sys->heap); + } + + if (recv_sys->buf != NULL) { + ut_free(recv_sys->buf); + } + + if (recv_sys->last_block_buf_start != NULL) { + mem_free(recv_sys->last_block_buf_start); + } + + mem_free(recv_sys); + recv_sys = NULL; + } +} + +/************************************************************ +Reset the state of the recovery system variables. */ +UNIV_INTERN +void +recv_sys_var_init(void) +/*===================*/ +{ + recv_lsn_checks_on = FALSE; + + recv_n_pool_free_frames = 256; + + recv_recovery_on = FALSE; + +#ifdef UNIV_LOG_ARCHIVE + recv_recovery_from_backup_on = FALSE; +#endif /* UNIV_LOG_ARCHIVE */ + + recv_needed_recovery = FALSE; + + recv_lsn_checks_on = FALSE; + + recv_log_scan_is_startup_type = FALSE; + + recv_no_ibuf_operations = FALSE; + + recv_scan_print_counter = 0; + + recv_previous_parsed_rec_type = 999999; + + recv_previous_parsed_rec_offset = 0; + + recv_previous_parsed_rec_is_multi = 0; + + recv_max_parsed_page_no = 0; + + recv_n_pool_free_frames = 256; + + recv_max_page_lsn = 0; +} + +/************************************************************ Inits the recovery system for a recovery operation. */ UNIV_INTERN void @@ -264,8 +370,8 @@ recv_sys_empty_hash(void) Frees the recovery system. */ static void -recv_sys_free(void) -/*===============*/ +recv_sys_debug_free(void) +/*=====================*/ { mutex_enter(&(recv_sys->mutex)); @@ -274,8 +380,10 @@ recv_sys_free(void) ut_free(recv_sys->buf); mem_free(recv_sys->last_block_buf_start); - recv_sys->addr_hash = NULL; + recv_sys->buf = NULL; recv_sys->heap = NULL; + recv_sys->addr_hash = NULL; + recv_sys->last_block_buf_start = NULL; mutex_exit(&(recv_sys->mutex)); @@ -1293,7 +1401,7 @@ recv_add_to_hash_table( sizeof(recv_data_t) + len); *prev_field = recv_data; - ut_memcpy(((byte*)recv_data) + sizeof(recv_data_t), body, len); + memcpy(recv_data + 1, body, len); prev_field = &(recv_data->next); @@ -1724,6 +1832,7 @@ loop: /* Flush all the file pages to disk and invalidate them in the buffer pool */ + ut_d(recv_no_log_write = TRUE); mutex_exit(&(recv_sys->mutex)); mutex_exit(&(log_sys->mutex)); @@ -1737,6 +1846,7 @@ loop: mutex_enter(&(log_sys->mutex)); mutex_enter(&(recv_sys->mutex)); + ut_d(recv_no_log_write = FALSE); recv_no_ibuf_operations = FALSE; } @@ -3161,7 +3271,7 @@ recv_recovery_from_checkpoint_finish(void) recv_recovery_on = FALSE; #ifndef UNIV_LOG_DEBUG - recv_sys_free(); + recv_sys_debug_free(); #endif /* Roll back any recovered data dictionary transactions, so that the data dictionary tables will be free of any locks. diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index a20eb2ad7d2..01eda20ec45 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -170,6 +170,17 @@ mem_init( mem_comm_pool = mem_pool_create(size); } + +/******************************************************************//** +Closes the memory system. */ +UNIV_INTERN +void +mem_close(void) +/*===========*/ +{ + mem_pool_free(mem_comm_pool); + mem_comm_pool = NULL; +} #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_MEM_DEBUG diff --git a/mem/mem0pool.c b/mem/mem0pool.c index c8fea97a6a3..c4f8af607e0 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -260,6 +260,18 @@ mem_pool_create( return(pool); } +/********************************************************************//** +Frees a memory pool. */ +UNIV_INTERN +void +mem_pool_free( +/*==========*/ + mem_pool_t* pool) /*!< in, own: memory pool */ +{ + ut_free(pool->buf); + ut_free(pool); +} + /********************************************************************//** Fills the specified free list. @return TRUE if we were able to insert a block to the free list */ diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 0c4bec8c82c..417e97732bb 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -35,6 +35,7 @@ Created 11/26/1995 Heikki Tuuri #include "log0log.h" #ifndef UNIV_HOTBACKUP +# include "log0recv.h" /*****************************************************************//** Releases the item in the slot given. */ UNIV_INLINE @@ -181,6 +182,8 @@ mtr_commit( ut_d(mtr->state = MTR_COMMITTING); #ifndef UNIV_HOTBACKUP + /* This is a dirty read, for debugging. */ + ut_ad(!recv_no_log_write); write_log = mtr->modifications && mtr->n_log_recs; if (write_log) { diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index d2e8eb19e0c..abb8f3da072 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -867,6 +867,7 @@ INSERT INTO t2 SELECT NULL FROM t1; Got one of the listed errors DROP TABLE t1; DROP TABLE t2; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; INSERT INTO t1 VALUES (null); INSERT INTO t1 VALUES (null); @@ -874,18 +875,254 @@ ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; SELECT * FROM t1; d1 1 -3 +2 SELECT * FROM t1; d1 1 -3 +2 INSERT INTO t1 VALUES(null); Got one of the listed errors ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `d1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`d1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 INSERT INTO t1 VALUES(null); SELECT * FROM t1; d1 1 +2 3 -4 DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` tinyint(4) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-127 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-127, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` tinyint(3) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32767, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` smallint(6) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-32767 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-32757, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` smallint(5) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` mediumint(9) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-8388607 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-8388607, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-2147483647 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(10) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-9223372036854775807 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on T1(c2); +SHOW CREATE TABLE T1; +Table Create Table +T1 CREATE TABLE `T1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + `c2` int(11) DEFAULT NULL, + PRIMARY KEY (`c1`), + KEY `i1` (`c2`) +) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 +INSERT INTO T1 (c2) values (0); +SELECT * FROM T1; +c1 c2 +10 0 +DROP TABLE T1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index 61c42f45733..558de6a1060 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -482,6 +482,7 @@ DROP TABLE t2; # 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from # the index (PRIMARY) # This test requires a restart of the server +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; INSERT INTO t1 VALUES (null); INSERT INTO t1 VALUES (null); @@ -495,6 +496,123 @@ SELECT * FROM t1; -- error ER_AUTOINC_READ_FAILED,1467 INSERT INTO t1 VALUES(null); ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; INSERT INTO t1 VALUES(null); SELECT * FROM t1; DROP TABLE t1; + +# If the user has specified negative values for an AUTOINC column then +# InnoDB should ignore those values when setting the table's max value. +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SHOW VARIABLES LIKE "%auto_inc%"; +# TINYINT +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# SMALLINT +# +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32767, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32757, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# MEDIUMINT +# +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# INT +# +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# BIGINT +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# End negative number check + +## +# 47125: auto_increment start value is ignored if an index is created +# and engine=innodb +# +CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on T1(c2); +SHOW CREATE TABLE T1; +INSERT INTO T1 (c2) values (0); +SELECT * FROM T1; +DROP TABLE T1; diff --git a/mysql-test/innodb-zip.result b/mysql-test/innodb-zip.result index b26c4112826..21396d81ba8 100644 --- a/mysql-test/innodb-zip.result +++ b/mysql-test/innodb-zip.result @@ -196,15 +196,15 @@ drop table t1; set innodb_strict_mode = on; create table t1 (id int primary key) engine = innodb key_block_size = 0; ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16] Error 1005 Can't create table 'test.t1' (errno: 1478) create table t2 (id int primary key) engine = innodb key_block_size = 9; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] Error 1005 Can't create table 'test.t2' (errno: 1478) create table t3 (id int primary key) engine = innodb key_block_size = 1; create table t4 (id int primary key) engine = innodb key_block_size = 2; @@ -233,30 +233,30 @@ key_block_size = 8 row_format = compressed; create table t2 (id int primary key) engine = innodb key_block_size = 8 row_format = redundant; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t2' (errno: 1478) create table t3 (id int primary key) engine = innodb key_block_size = 8 row_format = compact; ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t3' (errno: 1478) create table t4 (id int primary key) engine = innodb key_block_size = 8 row_format = dynamic; ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t4' (errno: 1478) create table t5 (id int primary key) engine = innodb key_block_size = 8 row_format = default; ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t5' (errno: 1478) SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; @@ -266,26 +266,26 @@ drop table t1; create table t1 (id int primary key) engine = innodb key_block_size = 9 row_format = redundant; ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Error 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t1' (errno: 1478) create table t2 (id int primary key) engine = innodb key_block_size = 9 row_format = compact; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t2' (errno: 1478) create table t2 (id int primary key) engine = innodb key_block_size = 9 row_format = dynamic; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Error 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. Error 1005 Can't create table 'test.t2' (errno: 1478) SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; @@ -293,45 +293,45 @@ table_schema table_name row_format set global innodb_file_per_table = off; create table t1 (id int primary key) engine = innodb key_block_size = 1; ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. Error 1005 Can't create table 'test.t1' (errno: 1478) create table t2 (id int primary key) engine = innodb key_block_size = 2; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. Error 1005 Can't create table 'test.t2' (errno: 1478) create table t3 (id int primary key) engine = innodb key_block_size = 4; ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. Error 1005 Can't create table 'test.t3' (errno: 1478) create table t4 (id int primary key) engine = innodb key_block_size = 8; ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. Error 1005 Can't create table 'test.t4' (errno: 1478) create table t5 (id int primary key) engine = innodb key_block_size = 16; ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. Error 1005 Can't create table 'test.t5' (errno: 1478) create table t6 (id int primary key) engine = innodb row_format = compressed; ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. Error 1005 Can't create table 'test.t6' (errno: 1478) create table t7 (id int primary key) engine = innodb row_format = dynamic; ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. Error 1005 Can't create table 'test.t7' (errno: 1478) create table t8 (id int primary key) engine = innodb row_format = compact; create table t9 (id int primary key) engine = innodb row_format = redundant; @@ -345,45 +345,45 @@ set global innodb_file_per_table = on; set global innodb_file_format = `0`; create table t1 (id int primary key) engine = innodb key_block_size = 1; ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t1' (errno: 1478) create table t2 (id int primary key) engine = innodb key_block_size = 2; ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t2' (errno: 1478) create table t3 (id int primary key) engine = innodb key_block_size = 4; ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t3' (errno: 1478) create table t4 (id int primary key) engine = innodb key_block_size = 8; ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t4' (errno: 1478) create table t5 (id int primary key) engine = innodb key_block_size = 16; ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t5' (errno: 1478) create table t6 (id int primary key) engine = innodb row_format = compressed; ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t6' (errno: 1478) create table t7 (id int primary key) engine = innodb row_format = dynamic; ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show errors; +show warnings; Level Code Message -Error 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. Error 1005 Can't create table 'test.t7' (errno: 1478) create table t8 (id int primary key) engine = innodb row_format = compact; create table t9 (id int primary key) engine = innodb row_format = redundant; diff --git a/mysql-test/innodb-zip.test b/mysql-test/innodb-zip.test index 5bcd0e3c824..fdb9b89e37a 100644 --- a/mysql-test/innodb-zip.test +++ b/mysql-test/innodb-zip.test @@ -174,11 +174,11 @@ set innodb_strict_mode = on; --error ER_CANT_CREATE_TABLE create table t1 (id int primary key) engine = innodb key_block_size = 0; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 9; -show errors; +show warnings; create table t3 (id int primary key) engine = innodb key_block_size = 1; @@ -204,22 +204,22 @@ key_block_size = 8 row_format = compressed; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 8 row_format = redundant; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t3 (id int primary key) engine = innodb key_block_size = 8 row_format = compact; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t4 (id int primary key) engine = innodb key_block_size = 8 row_format = dynamic; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t5 (id int primary key) engine = innodb key_block_size = 8 row_format = default; -show errors; +show warnings; SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; @@ -229,17 +229,17 @@ drop table t1; --error ER_CANT_CREATE_TABLE create table t1 (id int primary key) engine = innodb key_block_size = 9 row_format = redundant; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 9 row_format = compact; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 9 row_format = dynamic; -show errors; +show warnings; SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; @@ -249,25 +249,25 @@ set global innodb_file_per_table = off; --error ER_CANT_CREATE_TABLE create table t1 (id int primary key) engine = innodb key_block_size = 1; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 2; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t3 (id int primary key) engine = innodb key_block_size = 4; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t4 (id int primary key) engine = innodb key_block_size = 8; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t5 (id int primary key) engine = innodb key_block_size = 16; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t6 (id int primary key) engine = innodb row_format = compressed; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t7 (id int primary key) engine = innodb row_format = dynamic; -show errors; +show warnings; create table t8 (id int primary key) engine = innodb row_format = compact; create table t9 (id int primary key) engine = innodb row_format = redundant; @@ -281,25 +281,25 @@ set global innodb_file_format = `0`; --error ER_CANT_CREATE_TABLE create table t1 (id int primary key) engine = innodb key_block_size = 1; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t2 (id int primary key) engine = innodb key_block_size = 2; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t3 (id int primary key) engine = innodb key_block_size = 4; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t4 (id int primary key) engine = innodb key_block_size = 8; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t5 (id int primary key) engine = innodb key_block_size = 16; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t6 (id int primary key) engine = innodb row_format = compressed; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table t7 (id int primary key) engine = innodb row_format = dynamic; -show errors; +show warnings; create table t8 (id int primary key) engine = innodb row_format = compact; create table t9 (id int primary key) engine = innodb row_format = redundant; diff --git a/mysql-test/innodb_bug44369.result b/mysql-test/innodb_bug44369.result index e4b84ecac19..9cf79aeffab 100644 --- a/mysql-test/innodb_bug44369.result +++ b/mysql-test/innodb_bug44369.result @@ -2,13 +2,13 @@ create table bug44369 (DB_ROW_ID int) engine=innodb; ERROR HY000: Can't create table 'test.bug44369' (errno: -1) create table bug44369 (db_row_id int) engine=innodb; ERROR HY000: Can't create table 'test.bug44369' (errno: -1) -show errors; +show warnings; Level Code Message -Error 1005 Error creating table 'test/bug44369' with column name 'db_row_id'. 'db_row_id' is a reserved name. Please try to re-create the table with a different column name. +Warning 1005 Error creating table 'test/bug44369' with column name 'db_row_id'. 'db_row_id' is a reserved name. Please try to re-create the table with a different column name. Error 1005 Can't create table 'test.bug44369' (errno: -1) create table bug44369 (db_TRX_Id int) engine=innodb; ERROR HY000: Can't create table 'test.bug44369' (errno: -1) -show errors; +show warnings; Level Code Message -Error 1005 Error creating table 'test/bug44369' with column name 'db_TRX_Id'. 'db_TRX_Id' is a reserved name. Please try to re-create the table with a different column name. +Warning 1005 Error creating table 'test/bug44369' with column name 'db_TRX_Id'. 'db_TRX_Id' is a reserved name. Please try to re-create the table with a different column name. Error 1005 Can't create table 'test.bug44369' (errno: -1) diff --git a/mysql-test/innodb_bug44369.test b/mysql-test/innodb_bug44369.test index 495059eb5e6..238dc3d8fb1 100644 --- a/mysql-test/innodb_bug44369.test +++ b/mysql-test/innodb_bug44369.test @@ -13,9 +13,9 @@ create table bug44369 (DB_ROW_ID int) engine=innodb; --error ER_CANT_CREATE_TABLE create table bug44369 (db_row_id int) engine=innodb; -show errors; +show warnings; --error ER_CANT_CREATE_TABLE create table bug44369 (db_TRX_Id int) engine=innodb; -show errors; +show warnings; diff --git a/mysql-test/innodb_bug46000.result b/mysql-test/innodb_bug46000.result index ccff888a48d..c8e3db8d641 100644 --- a/mysql-test/innodb_bug46000.result +++ b/mysql-test/innodb_bug46000.result @@ -1,17 +1,19 @@ create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; -ERROR HY000: Can't create table 'test.bug46000' (errno: -1) +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; -ERROR HY000: Can't create table 'test.bug46000' (errno: -1) -show errors; +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' +show warnings; Level Code Message -Error 1005 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1280 Incorrect index name 'GEN_CLUST_INDEX' Error 1005 Can't create table 'test.bug46000' (errno: -1) create table bug46000(id int) engine=innodb; create index GEN_CLUST_INDEX on bug46000(id); -ERROR HY000: Can't create table '#sql-temporary' (errno: -1) -show errors; +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' +show warnings; Level Code Message -Error 1005 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. -Error 1005 Can't create table '#sql-temporary' (errno: -1) +Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1280 Incorrect index name 'GEN_CLUST_INDEX' +Error 1030 Got error -1 from storage engine create index idx on bug46000(id); drop table bug46000; diff --git a/mysql-test/innodb_bug46000.test b/mysql-test/innodb_bug46000.test index 80c18c58ef0..5a3c666326e 100644 --- a/mysql-test/innodb_bug46000.test +++ b/mysql-test/innodb_bug46000.test @@ -7,24 +7,22 @@ # This 'create table' operation should fail because of # using the reserve name as its index name. ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_NAME_FOR_INDEX create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; # Mixed upper/lower case of the reserved key words ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_NAME_FOR_INDEX create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; -show errors; +show warnings; create table bug46000(id int) engine=innodb; # This 'create index' operation should fail. ---replace_regex /'[^']*test.#sql-[0-9a-f_]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_NAME_FOR_INDEX create index GEN_CLUST_INDEX on bug46000(id); ---replace_regex /'[^']*test.#sql-[0-9a-f_]*'/'#sql-temporary'/ -show errors; +show warnings; # This 'create index' operation should succeed, no # temp table left from last failed create index diff --git a/mysql-test/innodb_bug47777.result b/mysql-test/innodb_bug47777.result new file mode 100644 index 00000000000..fbba47edcfc --- /dev/null +++ b/mysql-test/innodb_bug47777.result @@ -0,0 +1,13 @@ +create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; +insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +count(*) +1 +update bug47777 set c2=GeomFromText('POINT(1 1)'); +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +count(*) +0 +select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); +count(*) +1 +drop table bug47777; diff --git a/mysql-test/innodb_bug47777.test b/mysql-test/innodb_bug47777.test new file mode 100644 index 00000000000..8f2985b2cf0 --- /dev/null +++ b/mysql-test/innodb_bug47777.test @@ -0,0 +1,24 @@ +# This is the test for bug 47777. GEOMETRY +# data is treated as BLOB data in innodb. +# Consequently, its key value generation/storing +# should follow the process for the BLOB +# datatype as well. + +--source include/have_innodb.inc + +create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; + +insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); + +# Verify correct row get inserted. +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); + +# Update table bug47777 should be successful. +update bug47777 set c2=GeomFromText('POINT(1 1)'); + +# Verify the row get updated successfully. The original +# c2 value should be changed to GeomFromText('POINT(1 1)'). +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); + +drop table bug47777; diff --git a/mysql-test/innodb_information_schema.test b/mysql-test/innodb_information_schema.test index eaed653854a..fc1d38d8d14 100644 --- a/mysql-test/innodb_information_schema.test +++ b/mysql-test/innodb_information_schema.test @@ -109,14 +109,18 @@ SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE; -- send SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE; -# Give time to the above 2 queries to execute before continuing. -# Without this sleep it sometimes happens that the SELECT from innodb_locks -# executes before some of them, resulting in less than expected number -# of rows being selected from innodb_locks. --- sleep 0.1 - -- enable_result_log -- connection con_verify_innodb_locks +# Wait for the above queries to execute before continuing. +# Without this, it sometimes happens that the SELECT from innodb_locks +# executes before some of them, resulting in less than expected number +# of rows being selected from innodb_locks. If there is a bug and there +# are no 14 rows in innodb_locks then this test will fail with timeout. +let $count = 14; +let $table = INFORMATION_SCHEMA.INNODB_LOCKS; +-- source include/wait_until_rows_count.inc +# the above enables the query log, re-disable it +-- disable_query_log SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data; diff --git a/os/os0file.c b/os/os0file.c index 285834707a1..f8fa3d4b02a 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -398,6 +398,12 @@ os_file_get_last_error( " software or another instance\n" "InnoDB: of MySQL." " Please close it to get rid of this error.\n"); + } else if (err == ERROR_WORKING_SET_QUOTA + || err == ERROR_NO_SYSTEM_RESOURCES) { + fprintf(stderr, + "InnoDB: The error means that there are no" + " sufficient system resources or quota to" + " complete the operation.\n"); } else { fprintf(stderr, "InnoDB: Some operating system error numbers" @@ -419,6 +425,9 @@ os_file_get_last_error( } else if (err == ERROR_SHARING_VIOLATION || err == ERROR_LOCK_VIOLATION) { return(OS_FILE_SHARING_VIOLATION); + } else if (err == ERROR_WORKING_SET_QUOTA + || err == ERROR_NO_SYSTEM_RESOURCES) { + return(OS_FILE_INSUFFICIENT_RESOURCE); } else { return(100 + err); } @@ -552,6 +561,10 @@ os_file_handle_error_cond_exit( os_thread_sleep(10000000); /* 10 sec */ return(TRUE); + } else if (err == OS_FILE_INSUFFICIENT_RESOURCE) { + + os_thread_sleep(100000); /* 100 ms */ + return(TRUE); } else { if (name) { fprintf(stderr, "InnoDB: File name %s\n", name); @@ -915,6 +928,23 @@ next_file: ret = stat(full_path, &statinfo); if (ret) { + + if (errno == ENOENT) { + /* readdir() returned a file that does not exist, + it must have been deleted in the meantime. Do what + would have happened if the file was deleted before + readdir() - ignore and go to the next entry. + If this is the last entry then info->name will still + contain the name of the deleted file when this + function returns, but this is not an issue since the + caller shouldn't be looking at info when end of + directory is returned. */ + + ut_free(full_path); + + goto next_file; + } + os_file_handle_error_no_exit(full_path, "stat"); ut_free(full_path); @@ -2128,7 +2158,9 @@ os_file_pread( offset */ { off_t offs; +#if defined(HAVE_PREAD) && !defined(HAVE_BROKEN_PREAD) ssize_t n_bytes; +#endif /* HAVE_PREAD && !HAVE_BROKEN_PREAD */ ut_a((offset & 0xFFFFFFFFUL) == offset); @@ -2167,16 +2199,20 @@ os_file_pread( { off_t ret_offset; ssize_t ret; +#ifndef UNIV_HOTBACKUP ulint i; +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads++; os_mutex_exit(os_file_count_mutex); +#ifndef UNIV_HOTBACKUP /* Protect the seek / read operation with a mutex */ i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ ret_offset = lseek(file, offs, SEEK_SET); @@ -2186,7 +2222,9 @@ os_file_pread( ret = read(file, buf, (ssize_t)n); } +#ifndef UNIV_HOTBACKUP os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ os_mutex_enter(os_file_count_mutex); os_n_pending_reads--; @@ -3220,6 +3258,34 @@ skip_native_aio: return(array); } +/************************************************************************//** +Frees an aio wait array. */ +static +void +os_aio_array_free( +/*==============*/ + os_aio_array_t* array) /*!< in, own: array to free */ +{ +#ifdef WIN_ASYNC_IO + ulint i; + + for (i = 0; i < array->n_slots; i++) { + os_aio_slot_t* slot = os_aio_array_get_nth_slot(array, i); + os_event_free(slot->event); + } +#endif /* WIN_ASYNC_IO */ + +#ifdef __WIN__ + ut_free(array->native_events); +#endif /* __WIN__ */ + os_mutex_free(array->mutex); + os_event_free(array->not_full); + os_event_free(array->is_empty); + + ut_free(array->slots); + ut_free(array); +} + /*********************************************************************** Initializes the asynchronous io system. Creates one array each for ibuf and log i/o. Also creates one array each for read and write where each @@ -3313,6 +3379,35 @@ err_exit: } +/*********************************************************************** +Frees the asynchronous io system. */ +UNIV_INTERN +void +os_aio_free(void) +/*=============*/ +{ + ulint i; + + os_aio_array_free(os_aio_ibuf_array); + os_aio_ibuf_array = NULL; + os_aio_array_free(os_aio_log_array); + os_aio_log_array = NULL; + os_aio_array_free(os_aio_read_array); + os_aio_read_array = NULL; + os_aio_array_free(os_aio_write_array); + os_aio_write_array = NULL; + os_aio_array_free(os_aio_sync_array); + os_aio_sync_array = NULL; + + for (i = 0; i < os_aio_n_segments; i++) { + os_event_free(os_aio_segment_wait_events[i]); + } + + ut_free(os_aio_segment_wait_events); + os_aio_segment_wait_events = 0; + os_aio_n_segments = 0; +} + #ifdef WIN_ASYNC_IO /************************************************************************//** Wakes up all async i/o threads in the array in Windows async i/o at diff --git a/os/os0proc.c b/os/os0proc.c index a0ea9a1b258..48922886f23 100644 --- a/os/os0proc.c +++ b/os/os0proc.c @@ -97,6 +97,7 @@ os_mem_alloc_large( fprintf(stderr, "InnoDB: HugeTLB: Warning: Failed to" " attach shared memory segment, errno %d\n", errno); + ptr = NULL; } /* Remove the shared memory segment so that it will be diff --git a/os/os0sync.c b/os/os0sync.c index 4ec340b72b5..60467242e14 100644 --- a/os/os0sync.c +++ b/os/os0sync.c @@ -86,6 +86,9 @@ os_sync_init(void) UT_LIST_INIT(os_event_list); UT_LIST_INIT(os_mutex_list); + os_sync_mutex = NULL; + os_sync_mutex_inited = FALSE; + os_sync_mutex = os_mutex_create(NULL); os_sync_mutex_inited = TRUE; @@ -713,6 +716,7 @@ os_fast_mutex_free( os_mutex_enter(os_sync_mutex); } + ut_ad(os_fast_mutex_count > 0); os_fast_mutex_count--; if (UNIV_LIKELY(os_sync_mutex_inited)) { diff --git a/os/os0thread.c b/os/os0thread.c index 9a2d95cb166..34818ada804 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -233,6 +233,7 @@ os_thread_exit( #ifdef __WIN__ ExitThread((DWORD)exit_value); #else + pthread_detach(pthread_self()); pthread_exit(exit_value); #endif } diff --git a/page/page0cur.c b/page/page0cur.c index 65f3ba67439..f10f16a7dd9 100644 --- a/page/page0cur.c +++ b/page/page0cur.c @@ -1195,7 +1195,7 @@ page_cur_insert_rec_zip_reorg( } /* Out of space: restore the page */ - if (!page_zip_decompress(page_zip, page)) { + if (!page_zip_decompress(page_zip, page, FALSE)) { ut_error; /* Memory corrupted? */ } ut_ad(page_validate(page, index)); diff --git a/page/page0page.c b/page/page0page.c index b771bf4ded9..ab2ba60570e 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -679,7 +679,7 @@ page_copy_rec_list_end( if (UNIV_UNLIKELY (!page_zip_decompress(new_page_zip, - new_page))) { + new_page, FALSE))) { ut_error; } ut_ad(page_validate(new_page, index)); @@ -792,7 +792,7 @@ page_copy_rec_list_start( if (UNIV_UNLIKELY (!page_zip_decompress(new_page_zip, - new_page))) { + new_page, FALSE))) { ut_error; } ut_ad(page_validate(new_page, index)); diff --git a/page/page0zip.c b/page/page0zip.c index e170adce30a..aa5e39ff04a 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -2821,7 +2821,11 @@ page_zip_decompress( /*================*/ page_zip_des_t* page_zip,/*!< in: data, ssize; out: m_start, m_end, m_nonempty, n_blobs */ - page_t* page) /*!< out: uncompressed page, may be trashed */ + page_t* page, /*!< out: uncompressed page, may be trashed */ + ibool all) /*!< in: TRUE=decompress the whole page; + FALSE=verify but do not copy some + page header fields that should not change + after page creation */ { z_stream d_stream; dict_index_t* index = NULL; @@ -2851,13 +2855,36 @@ page_zip_decompress( heap = mem_heap_create(n_dense * (3 * sizeof *recs) + UNIV_PAGE_SIZE); recs = mem_heap_alloc(heap, n_dense * (2 * sizeof *recs)); + if (all) { + /* Copy the page header. */ + memcpy(page, page_zip->data, PAGE_DATA); + } else { + /* Check that the bytes that we skip are identical. */ +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(FIL_PAGE_TYPE + page, + FIL_PAGE_TYPE + page_zip->data, + PAGE_HEADER - FIL_PAGE_TYPE)); + ut_a(!memcmp(PAGE_HEADER + PAGE_LEVEL + page, + PAGE_HEADER + PAGE_LEVEL + page_zip->data, + PAGE_DATA - (PAGE_HEADER + PAGE_LEVEL))); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + + /* Copy the mutable parts of the page header. */ + memcpy(page, page_zip->data, FIL_PAGE_TYPE); + memcpy(PAGE_HEADER + page, PAGE_HEADER + page_zip->data, + PAGE_LEVEL - PAGE_N_DIR_SLOTS); + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + /* Check that the page headers match after copying. */ + ut_a(!memcmp(page, page_zip->data, PAGE_DATA)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + } + #ifdef UNIV_ZIP_DEBUG - /* Clear the page. */ - memset(page, 0x55, UNIV_PAGE_SIZE); + /* Clear the uncompressed page, except the header. */ + memset(PAGE_DATA + page, 0x55, UNIV_PAGE_SIZE - PAGE_DATA); #endif /* UNIV_ZIP_DEBUG */ - UNIV_MEM_INVALID(page, UNIV_PAGE_SIZE); - /* Copy the page header. */ - memcpy(page, page_zip->data, PAGE_DATA); + UNIV_MEM_INVALID(PAGE_DATA + page, UNIV_PAGE_SIZE - PAGE_DATA); /* Copy the page directory. */ if (UNIV_UNLIKELY(!page_zip_dir_decode(page_zip, page, recs, @@ -3098,7 +3125,7 @@ page_zip_validate_low( #endif /* UNIV_DEBUG_VALGRIND */ temp_page_zip = *page_zip; - valid = page_zip_decompress(&temp_page_zip, temp_page); + valid = page_zip_decompress(&temp_page_zip, temp_page, TRUE); if (!valid) { fputs("page_zip_validate(): failed to decompress\n", stderr); goto func_exit; @@ -4376,8 +4403,8 @@ IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a non-clustered index, the caller must update the insert buffer free bits in the same mini-transaction in such a way that the modification will be redo-logged. -@return TRUE on success, FALSE on failure; page and page_zip will be -left intact on failure. */ +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure, but page will be overwritten. */ UNIV_INTERN ibool page_zip_reorganize( @@ -4442,9 +4469,6 @@ page_zip_reorganize( if (UNIV_UNLIKELY(!page_zip_compress(page_zip, page, index, mtr))) { - /* Restore the old page and exit. */ - buf_frame_copy(page, temp_page); - #ifndef UNIV_HOTBACKUP buf_block_free(temp_block); #endif /* !UNIV_HOTBACKUP */ @@ -4605,7 +4629,8 @@ corrupt: memcpy(page_zip->data + page_zip_get_size(page_zip) - trailer_size, ptr + 8 + size, trailer_size); - if (UNIV_UNLIKELY(!page_zip_decompress(page_zip, page))) { + if (UNIV_UNLIKELY(!page_zip_decompress(page_zip, page, + TRUE))) { goto corrupt; } diff --git a/pars/lexyy.c b/pars/lexyy.c index 37d892e51e3..815395ea316 100644 --- a/pars/lexyy.c +++ b/pars/lexyy.c @@ -2778,3 +2778,16 @@ static void yyfree (void * ptr ) + +/********************************************************************** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void) +/*==================*/ +{ + yylex_destroy(); + free(stringbuf); + stringbuf = NULL; + stringbuf_len_alloc = stringbuf_len = 0; +} diff --git a/pars/pars0lex.l b/pars/pars0lex.l index 4abff65e98b..55ed17f82e1 100644 --- a/pars/pars0lex.l +++ b/pars/pars0lex.l @@ -661,3 +661,16 @@ In the state 'id', only two actions are possible (defined below). */ } %% + +/********************************************************************** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void) +/*==================*/ +{ + yylex_destroy(); + free(stringbuf); + stringbuf = NULL; + stringbuf_len_alloc = stringbuf_len = 0; +} diff --git a/que/que0que.c b/que/que0que.c index 54b1e7535fa..2fe046fa9b8 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -518,6 +518,7 @@ que_graph_free_recursive( upd_node_t* upd; tab_node_t* cre_tab; ind_node_t* cre_ind; + purge_node_t* purge; if (node == NULL) { @@ -579,6 +580,13 @@ que_graph_free_recursive( mem_heap_free(ins->entry_sys_heap); break; + case QUE_NODE_PURGE: + purge = node; + + mem_heap_free(purge->heap); + + break; + case QUE_NODE_UPDATE: upd = node; diff --git a/row/row0ins.c b/row/row0ins.c index e17c981979c..b881308a683 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -141,7 +141,7 @@ row_ins_alloc_sys_fields( dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - ptr = mem_heap_alloc(heap, DATA_ROW_ID_LEN); + ptr = mem_heap_zalloc(heap, DATA_ROW_ID_LEN); dfield_set_data(dfield, ptr, DATA_ROW_ID_LEN); @@ -152,7 +152,7 @@ row_ins_alloc_sys_fields( col = dict_table_get_sys_col(table, DATA_TRX_ID); dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - ptr = mem_heap_alloc(heap, DATA_TRX_ID_LEN); + ptr = mem_heap_zalloc(heap, DATA_TRX_ID_LEN); dfield_set_data(dfield, ptr, DATA_TRX_ID_LEN); @@ -163,7 +163,7 @@ row_ins_alloc_sys_fields( col = dict_table_get_sys_col(table, DATA_ROLL_PTR); dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - ptr = mem_heap_alloc(heap, DATA_ROLL_PTR_LEN); + ptr = mem_heap_zalloc(heap, DATA_ROLL_PTR_LEN); dfield_set_data(dfield, ptr, DATA_ROLL_PTR_LEN); } @@ -1191,7 +1191,7 @@ row_ins_check_foreign_constraint( /*=============================*/ ibool check_ref,/*!< in: TRUE if we want to check that the referenced table is ok, FALSE if we - want to to check the foreign key table */ + want to check the foreign key table */ dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the tables mentioned in it must be in the dictionary cache if they exist at all */ diff --git a/row/row0merge.c b/row/row0merge.c index e82b8926507..80ff993cb0a 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1965,7 +1965,15 @@ row_merge_drop_index( static const char str1[] = "PROCEDURE DROP_INDEX_PROC () IS\n" "BEGIN\n" + /* Rename the index, so that it will be dropped by + row_merge_drop_temp_indexes() at crash recovery + if the server crashes before this trx is committed. */ + "UPDATE SYS_INDEXES SET NAME=CONCAT('" + TEMP_INDEX_PREFIX_STR "', NAME) WHERE ID = :indexid;\n" + "COMMIT WORK;\n" + /* Drop the field definitions of the index. */ "DELETE FROM SYS_FIELDS WHERE INDEX_ID = :indexid;\n" + /* Drop the index definition and the B-tree. */ "DELETE FROM SYS_INDEXES WHERE ID = :indexid\n" " AND TABLE_ID = :tableid;\n" "END;\n"; diff --git a/row/row0mysql.c b/row/row0mysql.c index 819381fc280..540a4450045 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -2068,7 +2068,7 @@ Scans a table create SQL string and adds to the data dictionary the foreign key constraints declared in the string. This function should be called after the indexes for a table have been created. Each foreign key constraint must be accompanied with indexes in -bot participating tables. The indexes are allowed to contain more +both participating tables. The indexes are allowed to contain more fields than mentioned in the constraint. Check also that foreign key constraints which reference this table are ok. @return error code or DB_SUCCESS */ diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 643c395dd2c..ce88bb0569d 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1012,13 +1012,26 @@ srv_init(void) } /*********************************************************************//** -Frees the OS fast mutex created in srv_init(). */ +Frees the data structures created in srv_init(). */ UNIV_INTERN void srv_free(void) /*==========*/ { os_fast_mutex_free(&srv_conc_mutex); + mem_free(srv_conc_slots); + srv_conc_slots = NULL; + + mem_free(srv_sys->threads); + mem_free(srv_sys); + srv_sys = NULL; + + mem_free(kernel_mutex_temp); + kernel_mutex_temp = NULL; + mem_free(srv_mysql_table); + srv_mysql_table = NULL; + + trx_i_s_cache_free(trx_i_s_cache); } /*********************************************************************//** @@ -1030,6 +1043,8 @@ srv_general_init(void) /*==================*/ { ut_mem_init(); + /* Reset the system variables in the recovery module. */ + recv_sys_var_init(); os_sync_init(); sync_init(); mem_init(srv_mem_pool_size); diff --git a/srv/srv0start.c b/srv/srv0start.c index c5d790b8164..492deb80689 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -103,6 +103,7 @@ Created 2/16/1996 Heikki Tuuri # include "row0row.h" # include "row0mysql.h" # include "btr0pcur.h" +# include "thr0loc.h" # include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ /** Log sequence number immediately after startup */ @@ -495,6 +496,8 @@ io_handler_thread( mutex_exit(&ios_mutex); } + thr_local_free(os_thread_get_curr_id()); + /* We count the number of threads in os_thread_exit(). A created thread should always use that to exit and not use return() to exit. The thread actually never comes here because it is exited in an @@ -531,32 +534,6 @@ srv_normalize_path_for_win( #endif } -/*********************************************************************//** -Adds a slash or a backslash to the end of a string if it is missing -and the string is not empty. -@return string which has the separator if the string is not empty */ -UNIV_INTERN -char* -srv_add_path_separator_if_needed( -/*=============================*/ - char* str) /*!< in: null-terminated character string */ -{ - char* out_str; - ulint len = ut_strlen(str); - - if (len == 0 || str[len - 1] == SRV_PATH_SEPARATOR) { - - return(str); - } - - out_str = ut_malloc(len + 2); - memcpy(out_str, str, len); - out_str[len] = SRV_PATH_SEPARATOR; - out_str[len + 1] = 0; - - return(out_str); -} - #ifndef UNIV_HOTBACKUP /*********************************************************************//** Calculates the low 32 bits when a file size which is given as a number @@ -605,19 +582,24 @@ open_or_create_log_file( ulint size; ulint size_high; char name[10000]; + ulint dirnamelen; UT_NOT_USED(create_new_db); *log_file_created = FALSE; srv_normalize_path_for_win(srv_log_group_home_dirs[k]); - srv_log_group_home_dirs[k] = srv_add_path_separator_if_needed( - srv_log_group_home_dirs[k]); - ut_a(strlen(srv_log_group_home_dirs[k]) - < (sizeof name) - 10 - sizeof "ib_logfile"); - sprintf(name, "%s%s%lu", srv_log_group_home_dirs[k], - "ib_logfile", (ulong) i); + dirnamelen = strlen(srv_log_group_home_dirs[k]); + ut_a(dirnamelen < (sizeof name) - 10 - sizeof "ib_logfile"); + memcpy(name, srv_log_group_home_dirs[k], dirnamelen); + + /* Add a path separator if needed. */ + if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { + name[dirnamelen++] = SRV_PATH_SEPARATOR; + } + + sprintf(name + dirnamelen, "%s%lu", "ib_logfile", (ulong) i); files[i] = os_file_create(name, OS_FILE_CREATE, OS_FILE_NORMAL, OS_LOG_FILE, &ret); @@ -780,14 +762,22 @@ open_or_create_data_files( *create_new_db = FALSE; srv_normalize_path_for_win(srv_data_home); - srv_data_home = srv_add_path_separator_if_needed(srv_data_home); for (i = 0; i < srv_n_data_files; i++) { - srv_normalize_path_for_win(srv_data_file_names[i]); + ulint dirnamelen; - ut_a(strlen(srv_data_home) + strlen(srv_data_file_names[i]) + srv_normalize_path_for_win(srv_data_file_names[i]); + dirnamelen = strlen(srv_data_home); + + ut_a(dirnamelen + strlen(srv_data_file_names[i]) < (sizeof name) - 1); - sprintf(name, "%s%s", srv_data_home, srv_data_file_names[i]); + memcpy(name, srv_data_home, dirnamelen); + /* Add a path separator if needed. */ + if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { + name[dirnamelen++] = SRV_PATH_SEPARATOR; + } + + strcpy(name + dirnamelen, srv_data_file_names[i]); if (srv_data_file_is_raw_partition[i] == 0) { @@ -1009,7 +999,7 @@ skip_size_check: return(DB_SUCCESS); } -/****************************************************************//** +/******************************************************************** Starts InnoDB and creates a new database if database files are not found and the user wants. @return DB_SUCCESS or error code */ @@ -1120,7 +1110,7 @@ innobase_start_or_create_for_mysql(void) if (srv_start_has_been_called) { fprintf(stderr, - "InnoDB: Error:startup called second time" + "InnoDB: Error: startup called second time" " during the process lifetime.\n" "InnoDB: In the MySQL Embedded Server Library" " you cannot call server_init()\n" @@ -1393,7 +1383,7 @@ innobase_start_or_create_for_mysql(void) sum_of_new_sizes += srv_data_file_sizes[i]; } - if (sum_of_new_sizes < 640) { + if (sum_of_new_sizes < 10485760 / UNIV_PAGE_SIZE) { fprintf(stderr, "InnoDB: Error: tablespace size must be" " at least 10 MB\n"); @@ -1976,8 +1966,10 @@ innobase_shutdown_for_mysql(void) /* All the threads have exited or are just exiting; NOTE that the threads may not have completed their exit yet. Should we use pthread_join() to make sure - they have exited? Now we just sleep 0.1 seconds and - hope that is enough! */ + they have exited? If we did, we would have to + remove the pthread_detach() from + os_thread_exit(). Now we just sleep 0.1 + seconds and hope that is enough! */ os_mutex_exit(os_sync_mutex); @@ -2016,37 +2008,41 @@ innobase_shutdown_for_mysql(void) srv_misc_tmpfile = 0; } + /* This must be disabled before closing the buffer pool + and closing the data dictionary. */ + btr_search_disable(); + + ibuf_close(); + log_shutdown(); + lock_sys_close(); + thr_local_close(); trx_sys_file_format_close(); + trx_sys_close(); mutex_free(&srv_monitor_file_mutex); mutex_free(&srv_dict_tmpfile_mutex); mutex_free(&srv_misc_tmpfile_mutex); + dict_close(); + btr_search_sys_free(); /* 3. Free all InnoDB's own mutexes and the os_fast_mutexes inside them */ + os_aio_free(); sync_close(); + srv_free(); + fil_close(); /* 4. Free the os_conc_mutex and all os_events and os_mutexes */ - srv_free(); os_sync_free(); - /* Check that all read views are closed except read view owned - by a purge. */ - - if (UT_LIST_GET_LEN(trx_sys->view_list) > 1) { - fprintf(stderr, - "InnoDB: Error: all read views were not closed" - " before shutdown:\n" - "InnoDB: %lu read views open \n", - UT_LIST_GET_LEN(trx_sys->view_list) - 1); - } - - /* 5. Free all allocated memory and the os_fast_mutex created in - ut0mem.c */ + /* 5. Free all allocated memory */ + pars_lexer_close(); + log_mem_free(); buf_pool_free(); ut_free_all_mem(); + mem_close(); if (os_thread_count != 0 || os_event_count != 0 @@ -2077,6 +2073,7 @@ innobase_shutdown_for_mysql(void) } srv_was_started = FALSE; + srv_start_has_been_called = FALSE; return((int) DB_SUCCESS); } diff --git a/sync/sync0arr.c b/sync/sync0arr.c index d78ee8f3191..ed9e25bf2f2 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -227,24 +227,21 @@ sync_array_create( SYNC_ARRAY_MUTEX: determines the type of mutex protecting the data structure */ { + ulint sz; sync_array_t* arr; - sync_cell_t* cell_array; - sync_cell_t* cell; - ulint i; ut_a(n_cells > 0); /* Allocate memory for the data structures */ arr = ut_malloc(sizeof(sync_array_t)); + memset(arr, 0x0, sizeof(*arr)); - cell_array = ut_malloc(sizeof(sync_cell_t) * n_cells); + sz = sizeof(sync_cell_t) * n_cells; + arr->array = ut_malloc(sz); + memset(arr->array, 0x0, sz); arr->n_cells = n_cells; - arr->n_reserved = 0; - arr->array = cell_array; arr->protection = protection; - arr->sg_count = 0; - arr->res_count = 0; /* Then create the mutex to protect the wait array complex */ if (protection == SYNC_ARRAY_OS_MUTEX) { @@ -255,13 +252,6 @@ sync_array_create( ut_error; } - for (i = 0; i < n_cells; i++) { - cell = sync_array_get_nth_cell(arr, i); - cell->wait_object = NULL; - cell->waiting = FALSE; - cell->signal_count = 0; - } - return(arr); } diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 5ad143075a7..569fc6328c4 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1377,7 +1377,12 @@ sync_close(void) mutex_free(&mutex_list_mutex); #ifdef UNIV_SYNC_DEBUG mutex_free(&sync_thread_mutex); + + /* Switch latching order checks on in sync0sync.c */ + sync_order_checks_on = FALSE; #endif /* UNIV_SYNC_DEBUG */ + + sync_initialized = FALSE; } /*******************************************************************//** diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 49275be1d7d..59a234a6b72 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -246,3 +246,34 @@ thr_local_init(void) mutex_create(&thr_local_mutex, SYNC_THR_LOCAL); } + +/******************************************************************** +Close the thread local storage module. */ +UNIV_INTERN +void +thr_local_close(void) +/*=================*/ +{ + ulint i; + + ut_a(thr_local_hash != NULL); + + /* Free the hash elements. We don't remove them from the table + because we are going to destroy the table anyway. */ + for (i = 0; i < hash_get_n_cells(thr_local_hash); i++) { + thr_local_t* local; + + local = HASH_GET_FIRST(thr_local_hash, i); + + while (local) { + thr_local_t* prev_local = local; + + local = HASH_GET_NEXT(hash, prev_local); + ut_a(prev_local->magic_n == THR_LOCAL_MAGIC_N); + mem_free(prev_local); + } + } + + hash_table_free(thr_local_hash); + thr_local_hash = NULL; +} diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 0d809806edc..12562b40726 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -237,6 +237,27 @@ table_cache_init( } } +/*******************************************************************//** +Frees a table cache. */ +static +void +table_cache_free( +/*=============*/ + i_s_table_cache_t* table_cache) /*!< in/out: table cache */ +{ + ulint i; + + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + /* the memory is actually allocated in + table_cache_create_empty_row() */ + if (table_cache->chunks[i].base) { + mem_free(table_cache->chunks[i].base); + table_cache->chunks[i].base = NULL; + } + } +} + /*******************************************************************//** Returns an empty row from a table cache. The row is allocated if no more empty rows are available. The number of used rows is incremented. @@ -1251,6 +1272,22 @@ trx_i_s_cache_init( cache->is_truncated = FALSE; } +/*******************************************************************//** +Free the INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_free( +/*===============*/ + trx_i_s_cache_t* cache) /*!< in, own: cache to free */ +{ + hash_table_free(cache->locks_hash); + ha_storage_free(cache->storage); + table_cache_free(&cache->innodb_trx); + table_cache_free(&cache->innodb_locks); + table_cache_free(&cache->innodb_lock_waits); + memset(cache, 0, sizeof *cache); +} + /*******************************************************************//** Issue a shared/read lock on the tables cache. */ UNIV_INTERN diff --git a/trx/trx0purge.c b/trx/trx0purge.c index cd79fd1c315..abbfa3d7f81 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -249,6 +249,44 @@ trx_purge_sys_create(void) purge_sys->heap); } +/************************************************************************ +Frees the global purge system control structure. */ +UNIV_INTERN +void +trx_purge_sys_close(void) +/*======================*/ +{ + ut_ad(!mutex_own(&kernel_mutex)); + + que_graph_free(purge_sys->query); + + ut_a(purge_sys->sess->trx->is_purge); + purge_sys->sess->trx->conc_state = TRX_NOT_STARTED; + sess_close(purge_sys->sess); + purge_sys->sess = NULL; + + if (purge_sys->view != NULL) { + /* Because acquiring the kernel mutex is a pre-condition + of read_view_close(). We don't really need it here. */ + mutex_enter(&kernel_mutex); + + read_view_close(purge_sys->view); + purge_sys->view = NULL; + + mutex_exit(&kernel_mutex); + } + + trx_undo_arr_free(purge_sys->arr); + + rw_lock_free(&purge_sys->latch); + mutex_free(&purge_sys->mutex); + + mem_heap_free(purge_sys->heap); + mem_free(purge_sys); + + purge_sys = NULL; +} + /*================ UNDO LOG HISTORY LIST =============================*/ /********************************************************************//** diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 580762e8716..8d754788e2a 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -132,6 +132,49 @@ trx_rseg_header_create( } /***********************************************************************//** +Free's an instance of the rollback segment in memory. */ +UNIV_INTERN +void +trx_rseg_mem_free( +/*==============*/ + trx_rseg_t* rseg) /* in, own: instance to free */ +{ + trx_undo_t* undo; + + mutex_free(&rseg->mutex); + + /* There can't be any active transactions. */ + ut_a(UT_LIST_GET_LEN(rseg->update_undo_list) == 0); + ut_a(UT_LIST_GET_LEN(rseg->insert_undo_list) == 0); + + undo = UT_LIST_GET_FIRST(rseg->update_undo_cached); + + while (undo != NULL) { + trx_undo_t* prev_undo = undo; + + undo = UT_LIST_GET_NEXT(undo_list, undo); + UT_LIST_REMOVE(undo_list, rseg->update_undo_cached, prev_undo); + + trx_undo_mem_free(prev_undo); + } + + undo = UT_LIST_GET_FIRST(rseg->insert_undo_cached); + + while (undo != NULL) { + trx_undo_t* prev_undo = undo; + + undo = UT_LIST_GET_NEXT(undo_list, undo); + UT_LIST_REMOVE(undo_list, rseg->insert_undo_cached, prev_undo); + + trx_undo_mem_free(prev_undo); + } + + trx_sys_set_nth_rseg(trx_sys, rseg->id, NULL); + + mem_free(rseg); +} + +/*************************************************************************** Creates and initializes a rollback segment object. The values for the fields are read from the header. The object is inserted to the rseg list of the trx system object and a pointer is inserted in the rseg diff --git a/trx/trx0sys.c b/trx/trx0sys.c index ef10119587d..79e5af1c677 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -40,6 +40,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0purge.h" #include "log0log.h" #include "os0file.h" +#include "read0read.h" /** The file format tag structure with id and name. */ struct file_format_struct { @@ -1533,3 +1534,80 @@ trx_sys_file_format_id_to_name( } #endif /* !UNIV_HOTBACKUP */ + +/********************************************************************* +Shutdown/Close the transaction system. */ +UNIV_INTERN +void +trx_sys_close(void) +/*===============*/ +{ + trx_rseg_t* rseg; + read_view_t* view; + + ut_ad(trx_sys != NULL); + + /* Check that all read views are closed except read view owned + by a purge. */ + + if (UT_LIST_GET_LEN(trx_sys->view_list) > 1) { + fprintf(stderr, + "InnoDB: Error: all read views were not closed" + " before shutdown:\n" + "InnoDB: %lu read views open \n", + UT_LIST_GET_LEN(trx_sys->view_list) - 1); + } + + sess_close(trx_dummy_sess); + trx_dummy_sess = NULL; + + trx_purge_sys_close(); + + mutex_enter(&kernel_mutex); + + /* Free the double write data structures. */ + ut_a(trx_doublewrite != NULL); + ut_free(trx_doublewrite->write_buf_unaligned); + trx_doublewrite->write_buf_unaligned = NULL; + + mem_free(trx_doublewrite->buf_block_arr); + trx_doublewrite->buf_block_arr = NULL; + + mutex_free(&trx_doublewrite->mutex); + mem_free(trx_doublewrite); + trx_doublewrite = NULL; + + /* There can't be any active transactions. */ + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + while (rseg != NULL) { + trx_rseg_t* prev_rseg = rseg; + + rseg = UT_LIST_GET_NEXT(rseg_list, prev_rseg); + UT_LIST_REMOVE(rseg_list, trx_sys->rseg_list, prev_rseg); + + trx_rseg_mem_free(prev_rseg); + } + + view = UT_LIST_GET_FIRST(trx_sys->view_list); + + while (view != NULL) { + read_view_t* prev_view = view; + + view = UT_LIST_GET_NEXT(view_list, prev_view); + + /* Views are allocated from the trx_sys->global_read_view_heap. + So, we simply remove the element here. */ + UT_LIST_REMOVE(view_list, trx_sys->view_list, prev_view); + } + + ut_a(UT_LIST_GET_LEN(trx_sys->trx_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->rseg_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->view_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->mysql_trx_list) == 0); + + mem_free(trx_sys); + + trx_sys = NULL; + mutex_exit(&kernel_mutex); +} diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 1e36a2e4fe7..21ba6e481a7 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -803,7 +803,7 @@ trx_commit_off_kernel( in exactly the same order as commit lsn's, if the transactions have different rollback segments. To get exactly the same order we should hold the kernel mutex up to this point, - adding to to the contention of the kernel mutex. However, if + adding to the contention of the kernel mutex. However, if a transaction T2 is able to see modifications made by a transaction T1, T2 will always get a bigger transaction number and a bigger commit lsn than T1. */ diff --git a/trx/trx0undo.c b/trx/trx0undo.c index 9af96f14526..3bb1b1cdf6c 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -1522,7 +1522,7 @@ trx_undo_mem_init_for_reuse( /********************************************************************//** Frees an undo log memory copy. */ -static +UNIV_INTERN void trx_undo_mem_free( /*==============*/ diff --git a/usr/usr0sess.c b/usr/usr0sess.c index 990991a2c06..8087dcb4170 100644 --- a/usr/usr0sess.c +++ b/usr/usr0sess.c @@ -31,14 +31,6 @@ Created 6/25/1996 Heikki Tuuri #include "trx0trx.h" -/*********************************************************************//** -Closes a session, freeing the memory occupied by it. */ -static -void -sess_close( -/*=======*/ - sess_t* sess); /*!< in, own: session object */ - /*********************************************************************//** Opens a session. @return own: session object */ @@ -64,35 +56,16 @@ sess_open(void) /*********************************************************************//** Closes a session, freeing the memory occupied by it. */ -static +UNIV_INTERN void sess_close( /*=======*/ sess_t* sess) /*!< in, own: session object */ { - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(sess->trx == NULL); + ut_ad(!mutex_own(&kernel_mutex)); + ut_a(UT_LIST_GET_LEN(sess->graphs) == 0); + + trx_free_for_background(sess->trx); mem_free(sess); } - -/*********************************************************************//** -Closes a session, freeing the memory occupied by it, if it is in a state -where it should be closed. -@return TRUE if closed */ -UNIV_INTERN -ibool -sess_try_close( -/*===========*/ - sess_t* sess) /*!< in, own: session object */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - if (UT_LIST_GET_LEN(sess->graphs) == 0) { - sess_close(sess); - - return(TRUE); - } - - return(FALSE); -} diff --git a/ut/ut0mem.c b/ut/ut0mem.c index edb63c95700..35a325b9ccd 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -433,6 +433,8 @@ ut_free_all_mem(void) " total allocated memory is %lu\n", (ulong) ut_total_allocated_memory); } + + ut_mem_block_list_inited = FALSE; } #endif /* !UNIV_HOTBACKUP */ From 1a1247b403b0f5501554c4607c04c5272c328446 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 14 Dec 2009 09:42:13 +0000 Subject: [PATCH 147/400] branches/innodb+: ibuf_insert_low(): Do not call page_update_max_trx_id() when buffering op == IBUF_OP_DELETE. This addresses Issue #319, an assertion failure because trx_id is zero in page_update_max_trx_id() when attempting to buffer a purge operation. (This was a harmless debug assertion failure, because page_update_max_trx_id() would never update to zero.) For the purge transaction, trx->id is always zero. The purge transaction is the only caller of IBUF_OP_DELETE, and PAGE_MAX_TRX_ID is really about existing records. Therefore, there is no need to update the PAGE_MAX_TRX_ID when purging records. --- ibuf/ibuf0ibuf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 9295cc4f5ef..b44484fe48a 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3467,7 +3467,7 @@ bitmap_fail: err = btr_cur_optimistic_insert(BTR_NO_LOCKING_FLAG, cursor, ibuf_entry, &ins_rec, &dummy_big_rec, 0, thr, &mtr); - if (err == DB_SUCCESS) { + if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { /* Update the page max trx id field */ page_update_max_trx_id(btr_cur_get_block(cursor), NULL, thr_get_trx(thr)->id, &mtr); @@ -3487,7 +3487,7 @@ bitmap_fail: cursor, ibuf_entry, &ins_rec, &dummy_big_rec, 0, thr, &mtr); - if (err == DB_SUCCESS) { + if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { /* Update the page max trx id field */ page_update_max_trx_id(btr_cur_get_block(cursor), NULL, thr_get_trx(thr)->id, &mtr); From 8bb19285f4d9120d83331e384b640ef31723c00e Mon Sep 17 00:00:00 2001 From: vasil <> Date: Wed, 16 Dec 2009 19:09:53 +0000 Subject: [PATCH 148/400] branches/innodb+: Portability fix Use POSIX_FADV* and posix_fadvise() only if they are available. --- row/row0merge.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/row/row0merge.c b/row/row0merge.c index 80ff993cb0a..0ad8f331c17 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -709,8 +709,10 @@ row_merge_read( (ulint) (ofs & 0xFFFFFFFF), (ulint) (ofs >> 32), sizeof *buf); +#ifdef POSIX_FADV_DONTNEED /* Each block is read exactly once. Free up the file cache. */ posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); +#endif /* POSIX_FADV_DONTNEED */ if (UNIV_UNLIKELY(!success)) { ut_print_timestamp(stderr); @@ -742,9 +744,11 @@ row_merge_write( } #endif /* UNIV_DEBUG */ +#ifdef POSIX_FADV_DONTNEED /* The block will be needed on the next merge pass, but it can be evicted from the file cache meanwhile. */ posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); +#endif /* POSIX_FADV_DONTNEED */ return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, (ulint) (ofs & 0xFFFFFFFF), @@ -1594,11 +1598,13 @@ row_merge( of.offset = 0; of.n_rec = 0; +#ifdef POSIX_FADV_SEQUENTIAL /* The input file will be read sequentially, starting from the beginning and the middle. In Linux, the POSIX_FADV_SEQUENTIAL affects the entire file. Each block will be read exactly once. */ posix_fadvise(file->fd, 0, 0, POSIX_FADV_SEQUENTIAL | POSIX_FADV_NOREUSE); +#endif /* POSIX_FADV_SEQUENTIAL */ /* Merge blocks to the output file. */ ohalf = 0; From d47d8c55c999f2edf02d19ed13f38fc630121cf5 Mon Sep 17 00:00:00 2001 From: vasil <> Date: Thu, 17 Dec 2009 11:00:17 +0000 Subject: [PATCH 149/400] branches/innodb+: change name and version Change name from "InnoDB Plugin" to "InnoDB+" and version from 1.0.5 to 1.0.0. --- include/univ.i | 2 +- srv/srv0start.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/univ.i b/include/univ.i index 641d3c5c17e..b39035e761e 100644 --- a/include/univ.i +++ b/include/univ.i @@ -46,7 +46,7 @@ Created 1/20/1994 Heikki Tuuri #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 0 -#define INNODB_VERSION_BUGFIX 5 +#define INNODB_VERSION_BUGFIX 0 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; diff --git a/srv/srv0start.c b/srv/srv0start.c index 492deb80689..c4cc10ed07b 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1796,7 +1796,7 @@ innobase_start_or_create_for_mysql(void) if (srv_print_verbose_log) { ut_print_timestamp(stderr); fprintf(stderr, - " InnoDB Plugin %s started; " + " InnoDB+ %s started; " "log sequence number %llu\n", INNODB_VERSION_STR, srv_start_lsn); } From 626d26f351a6cb5d013b5cd0df924608b5f66695 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Thu, 17 Dec 2009 14:38:05 +0000 Subject: [PATCH 150/400] branches/innodb+ rb://210 Introduce a new mutex to protect flush_list. Redesign mtr_commit() in a way that log_sys mutex is not held while all mtr_memos are popped and is released just after the modified blocks are inserted into the flush_list. This should reduce contention on log_sys mutex. Approved by: Heikki --- buf/buf0buf.c | 45 +++-- buf/buf0flu.c | 436 +++++++++++++++++++++++++++++++------------- buf/buf0lru.c | 2 + include/buf0buf.h | 55 +++++- include/buf0buf.ic | 13 +- include/buf0flu.ic | 35 ++-- include/sync0sync.h | 5 +- mtr/mtr0mtr.c | 114 +++++++++--- sync/sync0sync.c | 1 + 9 files changed, 493 insertions(+), 213 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index acf12ac9596..cff102aa92c 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -153,12 +153,12 @@ list. We also keep a pointer to near the end of the LRU list, which we can use when we want to artificially age a page in the buf_pool. This is used if we know that some page is not needed again for some time: we insert the block right after the pointer, -causing it to be replaced sooner than would noramlly be the case. +causing it to be replaced sooner than would normally be the case. Currently this aging mechanism is used for read-ahead mechanism of pages, and it can also be used when there is a scan of a full table which cannot fit in the memory. Putting the pages near the -of the LRU list, we make sure that most of the buf_pool stays in the -main memory, undisturbed. +end of the LRU list, we make sure that most of the buf_pool stays +in the main memory, undisturbed. The unzip_LRU list contains a subset of the common LRU list. The blocks on the unzip_LRU list hold a compressed file page and the @@ -172,6 +172,7 @@ The chain of modified blocks (buf_pool->flush_list) contains the blocks holding file pages that have been modified in the memory but not written to disk yet. The block with the oldest modification which has not yet been written to disk is at the end of the chain. +The access to this list is protected by flush_list_mutex. The chain of unmodified compressed blocks (buf_pool->zip_clean) contains the control blocks (buf_page_t) of those compressed pages @@ -981,6 +982,7 @@ buf_pool_init(void) /* 2. Initialize flushing fields -------------------------------- */ + mutex_create(&buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { buf_pool->no_flush[i] = os_event_create(NULL); } @@ -1407,6 +1409,7 @@ buf_pool_page_hash_rebuild(void) buf_page_address_fold(b->space, b->offset), b); } + buf_flush_list_mutex_enter(); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); @@ -1434,6 +1437,7 @@ buf_pool_page_hash_rebuild(void) } } + buf_flush_list_mutex_exit(); buf_pool_mutex_exit(); } @@ -3534,11 +3538,6 @@ buf_validate(void) } n_lru++; - - if (block->page.oldest_modification > 0) { - n_flush++; - } - break; case BUF_BLOCK_NOT_USED: @@ -3577,6 +3576,10 @@ buf_validate(void) ut_error; break; } + + /* It is OK to read oldest_modification here because + we have acquired buf_pool_zip_mutex above which acts + as the 'block->mutex' for these bpages. */ ut_a(!b->oldest_modification); ut_a(buf_page_hash_get(b->space, b->offset) == b); @@ -3584,23 +3587,23 @@ buf_validate(void) n_zip++; } - /* Check dirty compressed-only blocks. */ + /* Check dirty blocks. */ + buf_flush_list_mutex_enter(); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); + ut_a(b->oldest_modification); + n_flush++; switch (buf_page_get_state(b)) { case BUF_BLOCK_ZIP_DIRTY: - ut_a(b->oldest_modification); n_lru++; - n_flush++; n_zip++; switch (buf_page_get_io_fix(b)) { case BUF_IO_NONE: case BUF_IO_READ: break; - case BUF_IO_WRITE: switch (buf_page_get_flush_type(b)) { case BUF_FLUSH_LRU: @@ -3633,6 +3636,10 @@ buf_validate(void) ut_a(buf_page_hash_get(b->space, b->offset) == b); } + ut_a(UT_LIST_GET_LEN(buf_pool->flush_list) == n_flush); + + buf_flush_list_mutex_exit(); + mutex_exit(&buf_pool_zip_mutex); if (n_lru + n_free > buf_pool->curr_size + n_zip) { @@ -3649,7 +3656,6 @@ buf_validate(void) (ulong) n_free); ut_error; } - ut_a(UT_LIST_GET_LEN(buf_pool->flush_list) == n_flush); ut_a(buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE] == n_single_flush); ut_a(buf_pool->n_flush[BUF_FLUSH_LIST] == n_list_flush); @@ -3690,6 +3696,7 @@ buf_print(void) counts = mem_alloc(sizeof(ulint) * size); buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); fprintf(stderr, "buf_pool size %lu\n" @@ -3716,6 +3723,8 @@ buf_print(void) (ulong) buf_pool->stat.n_pages_created, (ulong) buf_pool->stat.n_pages_written); + buf_flush_list_mutex_exit(); + /* Count the number of blocks belonging to each index in the buffer */ n_found = 0; @@ -3839,6 +3848,7 @@ buf_get_latched_pages_number(void) } } + buf_flush_list_mutex_enter(); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); @@ -3864,6 +3874,7 @@ buf_get_latched_pages_number(void) } } + buf_flush_list_mutex_exit(); mutex_exit(&buf_pool_zip_mutex); buf_pool_mutex_exit(); @@ -3896,16 +3907,13 @@ buf_get_modified_ratio_pct(void) { ulint ratio; - buf_pool_mutex_enter(); - + /* This is for heuristics. No need to grab any mutex here. */ ratio = (100 * UT_LIST_GET_LEN(buf_pool->flush_list)) / (1 + UT_LIST_GET_LEN(buf_pool->LRU) + UT_LIST_GET_LEN(buf_pool->free)); /* 1 + is there to avoid division by zero */ - buf_pool_mutex_exit(); - return(ratio); } @@ -3924,6 +3932,7 @@ buf_print_io( ut_ad(buf_pool); buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); fprintf(file, "Buffer pool size %lu\n" @@ -3945,6 +3954,8 @@ buf_print_io( + buf_pool->init_flush[BUF_FLUSH_LIST], (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); + buf_flush_list_mutex_exit(); + current_time = time(NULL); time_elapsed = 0.001 + difftime(current_time, buf_pool->last_printout_time); diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 13b76edb390..76923fd8595 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -102,7 +102,7 @@ buf_flush_insert_in_flush_rbt( const ib_rbt_node_t* c_node; const ib_rbt_node_t* p_node; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_flush_list_mutex_own()); /* Insert this buffer into the rbt. */ c_node = rbt_insert(buf_pool->flush_rbt, &bpage, &bpage); @@ -130,7 +130,8 @@ buf_flush_delete_from_flush_rbt( ibool ret = FALSE; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_flush_list_mutex_own()); + ret = rbt_delete(buf_pool->flush_rbt, &bpage); ut_ad(ret); } @@ -159,6 +160,8 @@ buf_flush_block_cmp( ut_ad(b1 != NULL); ut_ad(b2 != NULL); + ut_ad(buf_flush_list_mutex_own()); + ut_ad(b1->in_flush_list); ut_ad(b2->in_flush_list); @@ -188,12 +191,12 @@ void buf_flush_init_flush_rbt(void) /*==========================*/ { - buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); /* Create red black tree for speedy insertions in flush list. */ buf_pool->flush_rbt = rbt_create(sizeof(buf_page_t*), buf_flush_block_cmp); - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(); } /********************************************************************//** @@ -203,7 +206,7 @@ void buf_flush_free_flush_rbt(void) /*==========================*/ { - buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low()); @@ -212,7 +215,7 @@ buf_flush_free_flush_rbt(void) rbt_free(buf_pool->flush_rbt); buf_pool->flush_rbt = NULL; - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(); } /********************************************************************//** @@ -221,31 +224,38 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block) /*!< in/out: block which is modified */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(!buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); + + buf_flush_list_mutex_enter(); + ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification - <= block->page.oldest_modification)); + <= lsn)); /* If we are in the recovery then we need to update the flush red-black tree as well. */ if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_insert_sorted_into_flush_list(block); + buf_flush_list_mutex_exit(); + buf_flush_insert_sorted_into_flush_list(block, lsn); return; } ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->page.in_LRU_list); - ut_ad(block->page.in_page_hash); - ut_ad(!block->page.in_zip_hash); ut_ad(!block->page.in_flush_list); + ut_d(block->page.in_flush_list = TRUE); + block->page.oldest_modification = lsn; UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low()); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); } /********************************************************************//** @@ -256,19 +266,21 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block) /*!< in/out: block which is modified */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ { buf_page_t* prev_b; buf_page_t* b; - ut_ad(buf_pool_mutex_own()); + ut_ad(!buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->page.in_LRU_list); - ut_ad(block->page.in_page_hash); - ut_ad(!block->page.in_zip_hash); + buf_flush_list_mutex_enter(); + ut_ad(!block->page.in_flush_list); ut_d(block->page.in_flush_list = TRUE); + block->page.oldest_modification = lsn; prev_b = NULL; @@ -304,6 +316,8 @@ buf_flush_insert_sorted_into_flush_list( #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low()); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); } /********************************************************************//** @@ -388,6 +402,8 @@ buf_flush_remove( ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(bpage->in_flush_list); + buf_flush_list_mutex_enter(); + switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: /* clean compressed pages should not be on the flush list */ @@ -419,14 +435,24 @@ buf_flush_remove( bpage->oldest_modification = 0; - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, - ut_ad(ut_list_node_313->in_flush_list))); +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); } /*******************************************************************//** Relocates a buffer control block on the flush_list. Note that it is assumed that the contents of bpage has already been -copied to dpage. */ +copied to dpage. +IMPORTANT: When this function is called bpage and dpage are not +exact copy of each other. For example, they both will have different +::state. Also the ::list pointers in dpage may be stale. We need to +use the current list node (bpage) to do the list manipulation because +the list pointers could have changed between the time that we copied +the contents of bpage to the dpage and the flush list manipulation +below. */ UNIV_INTERN void buf_flush_relocate_on_flush_list( @@ -441,6 +467,15 @@ buf_flush_relocate_on_flush_list( ut_ad(mutex_own(buf_page_get_mutex(bpage))); + buf_flush_list_mutex_enter(); + + /* FIXME: At this point we have both buf_pool and flush_list + mutexes. Theoratically removal of a block from flush list is + only covered by flush_list mutex but currently we do + have buf_pool mutex in buf_flush_remove() therefore this block + is guaranteed to be in the flush list. We need to check if + this will work without the assumption of block removing code + having the buf_pool mutex. */ ut_ad(bpage->in_flush_list); ut_ad(dpage->in_flush_list); @@ -478,6 +513,8 @@ buf_flush_relocate_on_flush_list( #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low()); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); } /********************************************************************//** @@ -938,6 +975,7 @@ buf_flush_write_block_low( relocated in the buffer pool or removed from flush_list or LRU_list. */ ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); ut_ad(!mutex_own(buf_page_get_mutex(bpage))); ut_ad(buf_page_get_io_fix(bpage) == BUF_IO_WRITE); ut_ad(bpage->oldest_modification != 0); @@ -1133,17 +1171,19 @@ buf_flush_try_neighbors( ulint count = 0; ulint i; - ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); + ut_ad(flush_type == BUF_FLUSH_LRU + || flush_type == BUF_FLUSH_LIST); if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { - /* If there is little space, it is better not to flush any - block except from the end of the LRU list */ + /* If there is little space, it is better not to flush + any block except from the end of the LRU list */ low = offset; high = offset + 1; } else { - /* When flushed, dirty blocks are searched in neighborhoods of - this size, and flushed along with the original page. */ + /* When flushed, dirty blocks are searched in + neighborhoods of this size, and flushed along with the + original page. */ ulint buf_flush_area = ut_min(BUF_READ_AHEAD_AREA, buf_pool->curr_size / 16); @@ -1184,11 +1224,12 @@ buf_flush_try_neighbors( if (buf_flush_ready_for_flush(bpage, flush_type) && (i == offset || !bpage->buf_fix_count)) { /* We only try to flush those - neighbors != offset where the buf fix count is - zero, as we then know that we probably can - latch the page without a semaphore wait. - Semaphore waits are expensive because we must - flush the doublewrite buffer before we start + neighbors != offset where the buf fix + count is zero, as we then know that we + probably can latch the page without a + semaphore wait. Semaphore waits are + expensive because we must flush the + doublewrite buffer before we start waiting. */ buf_flush_page(bpage, flush_type); @@ -1207,6 +1248,206 @@ buf_flush_try_neighbors( return(count); } +/********************************************************************//** +Check if the block is modified and ready for flushing. If the the block +is ready to flush then flush the page and try o flush its neighbors. + +@return TRUE if buf_pool mutex was not released during this function. +This does not guarantee that some pages were written as well. +Number of pages written are incremented to the count. */ +static +ibool +buf_flush_page_and_try_neighbors( +/*=============================*/ + buf_page_t* bpage, /*!< in: buffer control block, + must be + buf_page_in_file(bpage) */ + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ + ulint* count) /*!< in/out: number of pages + flushed */ +{ + ibool flushed = FALSE; + mutex_t* block_mutex; + + ut_ad(buf_pool_mutex_own()); + + block_mutex = buf_page_get_mutex(bpage); + mutex_enter(block_mutex); + + ut_a(buf_page_in_file(bpage)); + + if (buf_flush_ready_for_flush(bpage, flush_type)) { + ulint space; + ulint offset; + + buf_pool_mutex_exit(); + + /* These fields are protected by both the + buffer pool mutex and block mutex. */ + space = buf_page_get_space(bpage); + offset = buf_page_get_page_no(bpage); + + mutex_exit(block_mutex); + + /* Try to flush also all the neighbors */ + *count += buf_flush_try_neighbors(space, offset, + flush_type); + + buf_pool_mutex_enter(); + flushed = TRUE; + } else { + mutex_exit(block_mutex); + } + + ut_ad(buf_pool_mutex_own()); + + return(flushed); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the LRU list. +In the case of an LRU flush the calling thread may own latches to +pages: to avoid deadlocks, this function must be written so that it +cannot end up waiting for these latches! +@return number of blocks for which the write request was queued. */ +static +ulint +buf_flush_LRU_list_batch( +/*=====================*/ + ulint max) /*!< in: max of blocks to flush */ +{ + buf_page_t* bpage; + ulint count = 0; + + ut_ad(buf_pool_mutex_own()); + + do { + /* Start from the end of the list looking for a + suitable block to be flushed. */ + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + /* Iterate backwards over the flush list till we find + a page that isn't ready for flushing. */ + while (bpage != NULL + && !buf_flush_page_and_try_neighbors( + bpage, BUF_FLUSH_LRU, &count)) { + + bpage = UT_LIST_GET_PREV(LRU, bpage); + } + } while (bpage != NULL && count < max); + + /* We keep track of all flushes happening as part of LRU + flush. When estimating the desired rate at which flush_list + should be flushed, we factor in this value. */ + buf_lru_flush_page_count += count; + + ut_ad(buf_pool_mutex_own()); + + return(count); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the flush_list. +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already +running */ +static +ulint +buf_flush_flush_list_batch( +/*=======================*/ + ulint min_n, /*!< in: wished minimum mumber + of blocks flushed (it is not + guaranteed that the actual + number is that big, though) */ + ib_uint64_t lsn_limit) /*!< all blocks whose + oldest_modification is smaller + than this should be flushed (if + their number does not exceed + min_n) */ +{ + ulint len; + buf_page_t* bpage; + ulint count = 0; + + ut_ad(buf_pool_mutex_own()); + + /* If we have flushed enough, leave the loop */ + do { + /* Start from the end of the list looking for a suitable + block to be flushed. */ + + buf_flush_list_mutex_enter(); + + /* We use len here because theoratically insertions can + happen in the flush_list below while we are traversing + it for a suitable candidate for flushing. We'd like to + set a limit on how farther we are willing to traverse + the list. */ + len = UT_LIST_GET_LEN(buf_pool->flush_list); + bpage = UT_LIST_GET_LAST(buf_pool->flush_list); + + if (bpage) { + ut_a(bpage->oldest_modification > 0); + } + + + if (!bpage || bpage->oldest_modification >= lsn_limit) { + + /* We have flushed enough */ + buf_flush_list_mutex_exit(); + break; + } + + ut_a(bpage->oldest_modification > 0); + + ut_ad(bpage->in_flush_list); + + buf_flush_list_mutex_exit(); + + /* The list may change during the flushing and we cannot + safely preserve within this function a pointer to a + block in the list! */ + while (bpage != NULL + && len > 0 + && !buf_flush_page_and_try_neighbors( + bpage, BUF_FLUSH_LIST, &count)) { + + buf_flush_list_mutex_enter(); + + /* If we are here that means that buf_pool + mutex was not released in + buf_flush_page_and_try_neighbors() above and + this guarantees that bpage didn't get + relocated since we released the flush_list + mutex above. There is a chance, however, that + the bpage got removed from flush_list (not + currently possible because flush_list_remove() + also obtains buf_pool mutex but that may change + in future). To avoid this scenario we check + the oldest_modification and if it is zero + we start all over again. */ + if (bpage->oldest_modification == 0) { + buf_flush_list_mutex_exit(); + break; + } + bpage = UT_LIST_GET_PREV(list, bpage); + + ut_ad(!bpage || bpage->in_flush_list); + + buf_flush_list_mutex_exit(); + + --len; + } + + } while (count < min_n && bpage != NULL && len > 0); + + ut_ad(buf_pool_mutex_own()); + + return(count); +} + /*******************************************************************//** This utility flushes dirty blocks from the end of the LRU list or flush_list. NOTE 1: in the case of an LRU flush the calling thread may own latches to @@ -1232,22 +1473,18 @@ buf_flush_batch( (if their number does not exceed min_n), otherwise ignored */ { - buf_page_t* bpage; - ulint page_count = 0; - ulint old_page_count; - ulint space; - ulint offset; + ulint count = 0; - ut_ad((flush_type == BUF_FLUSH_LRU) - || (flush_type == BUF_FLUSH_LIST)); + ut_ad(flush_type == BUF_FLUSH_LRU + || flush_type == BUF_FLUSH_LIST); #ifdef UNIV_SYNC_DEBUG ut_ad((flush_type != BUF_FLUSH_LIST) || sync_thread_levels_empty_gen(TRUE)); #endif /* UNIV_SYNC_DEBUG */ buf_pool_mutex_enter(); - if ((buf_pool->n_flush[flush_type] > 0) - || (buf_pool->init_flush[flush_type] == TRUE)) { + if (buf_pool->n_flush[flush_type] > 0 + || buf_pool->init_flush[flush_type] == TRUE) { /* There is already a flush batch of the same type running */ @@ -1258,82 +1495,21 @@ buf_flush_batch( buf_pool->init_flush[flush_type] = TRUE; - for (;;) { -flush_next: - /* If we have flushed enough, leave the loop */ - if (page_count >= min_n) { - - break; - } - - /* Start from the end of the list looking for a suitable - block to be flushed. */ - - if (flush_type == BUF_FLUSH_LRU) { - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - } else { - ut_ad(flush_type == BUF_FLUSH_LIST); - - bpage = UT_LIST_GET_LAST(buf_pool->flush_list); - if (!bpage - || bpage->oldest_modification >= lsn_limit) { - /* We have flushed enough */ - - break; - } - ut_ad(bpage->in_flush_list); - } - - /* Note that after finding a single flushable page, we try to - flush also all its neighbors, and after that start from the - END of the LRU list or flush list again: the list may change - during the flushing and we cannot safely preserve within this - function a pointer to a block in the list! */ - - do { - mutex_t*block_mutex = buf_page_get_mutex(bpage); - ibool ready; - - ut_a(buf_page_in_file(bpage)); - - mutex_enter(block_mutex); - ready = buf_flush_ready_for_flush(bpage, flush_type); - mutex_exit(block_mutex); - - if (ready) { - space = buf_page_get_space(bpage); - offset = buf_page_get_page_no(bpage); - - buf_pool_mutex_exit(); - - old_page_count = page_count; - - /* Try to flush also all the neighbors */ - page_count += buf_flush_try_neighbors( - space, offset, flush_type); - /* fprintf(stderr, - "Flush type %lu, page no %lu, neighb %lu\n", - flush_type, offset, - page_count - old_page_count); */ - - buf_pool_mutex_enter(); - goto flush_next; - - } else if (flush_type == BUF_FLUSH_LRU) { - bpage = UT_LIST_GET_PREV(LRU, bpage); - } else { - ut_ad(flush_type == BUF_FLUSH_LIST); - - bpage = UT_LIST_GET_PREV(list, bpage); - ut_ad(!bpage || bpage->in_flush_list); - } - } while (bpage != NULL); - - /* If we could not find anything to flush, leave the loop */ - + /* Note: The buffer pool mutex is released and reacquired within + the flush functions. */ + switch(flush_type) { + case BUF_FLUSH_LRU: + count = buf_flush_LRU_list_batch(min_n); break; + case BUF_FLUSH_LIST: + count = buf_flush_flush_list_batch(min_n, lsn_limit); + break; + default: + ut_error; } + ut_ad(buf_pool_mutex_own()); + buf_pool->init_flush[flush_type] = FALSE; if (buf_pool->n_flush[flush_type] == 0) { @@ -1348,26 +1524,17 @@ flush_next: buf_flush_buffered_writes(); #ifdef UNIV_DEBUG - if (buf_debug_prints && page_count > 0) { - ut_a(flush_type == BUF_FLUSH_LRU - || flush_type == BUF_FLUSH_LIST); + if (buf_debug_prints && count > 0) { fprintf(stderr, flush_type == BUF_FLUSH_LRU ? "Flushed %lu pages in LRU flush\n" : "Flushed %lu pages in flush list flush\n", - (ulong) page_count); + (ulong) count); } #endif /* UNIV_DEBUG */ - srv_buf_pool_flushed += page_count; + srv_buf_pool_flushed += count; - /* We keep track of all flushes happening as part of LRU - flush. When estimating the desired rate at which flush_list - should be flushed we factor in this value. */ - if (flush_type == BUF_FLUSH_LRU) { - buf_lru_flush_page_count += page_count; - } - - return(page_count); + return(count); } /******************************************************************//** @@ -1585,6 +1752,8 @@ buf_flush_validate_low(void) buf_page_t* bpage; const ib_rbt_node_t* rnode = NULL; + ut_ad(buf_flush_list_mutex_own()); + UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, ut_ad(ut_list_node_313->in_flush_list)); @@ -1600,7 +1769,16 @@ buf_flush_validate_low(void) while (bpage != NULL) { const ib_uint64_t om = bpage->oldest_modification; ut_ad(bpage->in_flush_list); - ut_a(buf_page_in_file(bpage)); + + /* A page in flush_list can be in BUF_BLOCK_REMOVE_HASH + state. This happens when a page is in the middle of + being relocated. In that case the original descriptor + can have this state and still be in the flush list + waiting to acquire the flush_list_mutex to complete + the relocation. */ + ut_a(buf_page_in_file(bpage) + || buf_page_get_state(bpage) + == BUF_BLOCK_REMOVE_HASH); ut_a(om > 0); if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { @@ -1634,11 +1812,11 @@ buf_flush_validate(void) { ibool ret; - buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); ret = buf_flush_validate_low(); - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(); return(ret); } diff --git a/buf/buf0lru.c b/buf/buf0lru.c index a8419138f44..d0dbce9979c 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -2018,6 +2018,7 @@ buf_LRU_print(void) while (bpage != NULL) { + mutex_enter(buf_page_get_mutex(bpage)); fprintf(stderr, "BLOCK space %lu page %lu ", (ulong) buf_page_get_space(bpage), (ulong) buf_page_get_page_no(bpage)); @@ -2066,6 +2067,7 @@ buf_LRU_print(void) break; } + mutex_exit(buf_page_get_mutex(bpage)); bpage = UT_LIST_GET_NEXT(LRU, bpage); } diff --git a/include/buf0buf.h b/include/buf0buf.h index 59774014165..bc7555dbb6c 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -347,9 +347,8 @@ void buf_page_release( /*=============*/ buf_block_t* block, /*!< in: buffer block */ - ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH, + ulint rw_latch); /*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - mtr_t* mtr); /*!< in: mtr */ /********************************************************************//** Moves a page to the start of the buffer pool LRU list. This high-level function can be used to prevent an important page from slipping out of @@ -1102,8 +1101,9 @@ struct buf_page_struct{ UT_LIST_NODE_T(buf_page_t) list; /*!< based on state, this is a - list node, protected only by - buf_pool_mutex, in one of the + list node, protected either by + buf_pool_mutex or by + flush_list_mutex, in one of the following lists in buf_pool: - BUF_BLOCK_NOT_USED: free @@ -1112,6 +1112,12 @@ struct buf_page_struct{ - BUF_BLOCK_ZIP_PAGE: zip_clean - BUF_BLOCK_ZIP_FREE: zip_free[] + If bpage is part of flush_list + then the node pointers are + covered by flush_list_mutex. + Otherwise these pointers are + protected by buf_pool_mutex. + The contents of the list node is undefined if !in_flush_list && state == BUF_BLOCK_FILE_PAGE, @@ -1122,10 +1128,15 @@ struct buf_page_struct{ #ifdef UNIV_DEBUG ibool in_flush_list; /*!< TRUE if in buf_pool->flush_list; - when buf_pool_mutex is free, the + when flush_list_mutex is free, the following should hold: in_flush_list == (state == BUF_BLOCK_FILE_PAGE - || state == BUF_BLOCK_ZIP_DIRTY) */ + || state == BUF_BLOCK_ZIP_DIRTY) + Writes to this field must be + covered by both block->mutex + and flush_list_mutex. Hence + reads can happen while holding + any one of the two mutexes */ ibool in_free_list; /*!< TRUE if in buf_pool->free; when buf_pool_mutex is free, the following should hold: in_free_list @@ -1135,7 +1146,8 @@ struct buf_page_struct{ /*!< log sequence number of the youngest modification to this block, zero if not - modified */ + modified. Protected by block + mutex */ ib_uint64_t oldest_modification; /*!< log sequence number of the START of the log entry @@ -1143,7 +1155,12 @@ struct buf_page_struct{ modification to this block which has not yet been flushed on disk; zero if all - modifications are on disk */ + modifications are on disk. + Writes to this field must be + covered by both block->mutex + and flush_list_mutex. Hence + reads can happen while holding + any one of the two mutexes */ /* @} */ /** @name LRU replacement algorithm fields These fields are protected by buf_pool_mutex only (not @@ -1375,6 +1392,13 @@ struct buf_pool_struct{ /* @{ */ + mutex_t flush_list_mutex;/*!< mutex protecting the + flush list access. This mutex + protects flush_list, flush_rbt + and bpage::list pointers when + the bpage is on flush_list. It + also protects writes to + bpage::oldest_modification */ UT_LIST_BASE_NODE_T(buf_page_t) flush_list; /*!< base node of the modified block list */ @@ -1400,7 +1424,8 @@ struct buf_pool_struct{ also be on the flush_list. This tree is relevant only in recovery and is set to NULL - once the recovery is over. */ + once the recovery is over. + Protected by flush_list_mutex */ ulint freed_page_clock;/*!< a sequence number used to count the number of buffer blocks removed from the end of @@ -1492,6 +1517,18 @@ Use these instead of accessing buf_pool_mutex directly. */ mutex_enter(&buf_pool_mutex); \ } while (0) +/** Test if flush list mutex is owned. */ +#define buf_flush_list_mutex_own() mutex_own(&buf_pool->flush_list_mutex) + +/** Acquire the flush list mutex. */ +#define buf_flush_list_mutex_enter() do { \ + mutex_enter(&buf_pool->flush_list_mutex); \ +} while (0) +/** Release the flush list mutex. */ +# define buf_flush_list_mutex_exit() do { \ + mutex_exit(&buf_pool->flush_list_mutex); \ +} while (0) + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /** Flag to forbid the release of the buffer pool mutex. Protected by buf_pool_mutex. */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 0f92a59a1c7..a85db6d11e5 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -121,7 +121,7 @@ buf_pool_get_oldest_modification(void) buf_page_t* bpage; ib_uint64_t lsn; - buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); bpage = UT_LIST_GET_LAST(buf_pool->flush_list); @@ -132,7 +132,7 @@ buf_pool_get_oldest_modification(void) lsn = bpage->oldest_modification; } - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(); /* The returned answer may be out of date: the flush_list can change after the mutex has been released. */ @@ -1018,21 +1018,14 @@ void buf_page_release( /*=============*/ buf_block_t* block, /*!< in: buffer block */ - ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH, + ulint rw_latch) /*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - mtr_t* mtr) /*!< in: mtr */ { ut_ad(block); ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); ut_a(block->page.buf_fix_count > 0); - if (rw_latch == RW_X_LATCH && mtr->modifications) { - buf_pool_mutex_enter(); - buf_flush_note_modification(block, mtr); - buf_pool_mutex_exit(); - } - mutex_enter(&block->mutex); #ifdef UNIV_SYNC_DEBUG diff --git a/include/buf0flu.ic b/include/buf0flu.ic index c90cd59e4b6..5005bcce513 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -33,7 +33,8 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block); /*!< in/out: block which is modified */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ /********************************************************************//** Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not @@ -42,7 +43,8 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block); /*!< in/out: block which is modified */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ /********************************************************************//** This function should be called at a mini-transaction commit, if a page was @@ -61,24 +63,26 @@ buf_flush_note_modification( #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); #endif /* UNIV_SYNC_DEBUG */ - ut_ad(buf_pool_mutex_own()); + + ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); ut_ad(mtr->start_lsn != 0); ut_ad(mtr->modifications); + + mutex_enter(&block->mutex); ut_ad(block->page.newest_modification <= mtr->end_lsn); block->page.newest_modification = mtr->end_lsn; if (!block->page.oldest_modification) { - - block->page.oldest_modification = mtr->start_lsn; - ut_ad(block->page.oldest_modification != 0); - - buf_flush_insert_into_flush_list(block); + buf_flush_insert_into_flush_list(block, mtr->start_lsn); } else { ut_ad(block->page.oldest_modification <= mtr->start_lsn); } + mutex_exit(&block->mutex); + ++srv_buf_pool_write_requests; } @@ -101,23 +105,22 @@ buf_flush_recv_note_modification( ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); #endif /* UNIV_SYNC_DEBUG */ - buf_pool_mutex_enter(); + ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); + ut_ad(start_lsn != 0); ut_ad(block->page.newest_modification <= end_lsn); + mutex_enter(&block->mutex); block->page.newest_modification = end_lsn; if (!block->page.oldest_modification) { - - block->page.oldest_modification = start_lsn; - - ut_ad(block->page.oldest_modification != 0); - - buf_flush_insert_sorted_into_flush_list(block); + buf_flush_insert_sorted_into_flush_list(block, start_lsn); } else { ut_ad(block->page.oldest_modification <= start_lsn); } - buf_pool_mutex_exit(); + mutex_exit(&block->mutex); + } #endif /* !UNIV_HOTBACKUP */ diff --git a/include/sync0sync.h b/include/sync0sync.h index df990823cc4..92f9415f15c 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -475,8 +475,9 @@ or row lock! */ SYNC_SEARCH_SYS, as memory allocation can call routines there! Otherwise the level is SYNC_MEM_HASH. */ -#define SYNC_BUF_POOL 150 -#define SYNC_BUF_BLOCK 149 +#define SYNC_BUF_POOL 150 /* Buffer pool mutex */ +#define SYNC_BUF_BLOCK 149 /* Block mutex */ +#define SYNC_BUF_FLUSH_LIST 145 /* Buffer flush list mutex */ #define SYNC_DOUBLEWRITE 140 #define SYNC_ANY_LATCH 135 #define SYNC_THR_LOCAL 133 diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 417e97732bb..f331924d63c 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -30,6 +30,7 @@ Created 11/26/1995 Heikki Tuuri #endif #include "buf0buf.h" +#include "buf0flu.h" #include "page0types.h" #include "mtr0log.h" #include "log0log.h" @@ -38,7 +39,7 @@ Created 11/26/1995 Heikki Tuuri # include "log0recv.h" /*****************************************************************//** Releases the item in the slot given. */ -UNIV_INLINE +static void mtr_memo_slot_release( /*==================*/ @@ -48,14 +49,19 @@ mtr_memo_slot_release( void* object; ulint type; - ut_ad(mtr && slot); + ut_ad(mtr); + ut_ad(slot); + +#ifndef UNIV_DEBUG + UT_NOT_USED(mtr); +#endif /* UNIV_DEBUG */ object = slot->object; type = slot->type; if (UNIV_LIKELY(object != NULL)) { if (type <= MTR_MEMO_BUF_FIX) { - buf_page_release((buf_block_t*)object, type, mtr); + buf_page_release((buf_block_t*)object, type); } else if (type == MTR_MEMO_S_LOCK) { rw_lock_s_unlock((rw_lock_t*)object); #ifdef UNIV_DEBUG @@ -73,13 +79,10 @@ mtr_memo_slot_release( } /**********************************************************//** -Releases the mlocks and other objects stored in an mtr memo. They are released -in the order opposite to which they were pushed to the memo. NOTE! It is -essential that the x-rw-lock on a modified buffer page is not released before -buf_page_note_modification is called for that page! Otherwise, some thread -might race to modify it, and the flush list sort order on lsn would be -destroyed. */ -UNIV_INLINE +Releases the mlocks and other objects stored in an mtr memo. +They are released in the order opposite to which they were pushed +to the memo. */ +static void mtr_memo_pop_all( /*=============*/ @@ -105,6 +108,58 @@ mtr_memo_pop_all( } } +/*****************************************************************//** +Releases the item in the slot given. */ +static +void +mtr_memo_slot_note_modification( +/*============================*/ + mtr_t* mtr, /*!< in: mtr */ + mtr_memo_slot_t* slot) /*!< in: memo slot */ +{ + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->modifications); + + if (slot->object != NULL && slot->type == MTR_MEMO_PAGE_X_FIX) { + buf_flush_note_modification((buf_block_t*) slot->object, mtr); + } +} + +/**********************************************************//** +Add the modified pages to the buffer flush list. They are released +in the order opposite to which they were pushed to the memo. NOTE! It is +essential that the x-rw-lock on a modified buffer page is not released +before buf_page_note_modification is called for that page! Otherwise, +some thread might race to modify it, and the flush list sort order on +lsn would be destroyed. */ +static +void +mtr_memo_note_modifications( +/*========================*/ + mtr_t* mtr) /*!< in: mtr */ +{ + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in + commit */ + memo = &mtr->memo; + + offset = dyn_array_get_data_size(memo); + + while (offset > 0) { + mtr_memo_slot_t* slot; + + offset -= sizeof(mtr_memo_slot_t); + slot = dyn_array_get_element(memo, offset); + + mtr_memo_slot_note_modification(mtr, slot); + } +} + /************************************************************//** Writes the contents of a mini-transaction log, if any, to the database log. */ static @@ -137,7 +192,9 @@ mtr_log_reserve_and_write( &mtr->start_lsn); if (mtr->end_lsn) { - return; + /* Success. We have the log mutex. + Add pages to flush list and exit */ + goto func_exit; } } @@ -161,6 +218,13 @@ mtr_log_reserve_and_write( } mtr->end_lsn = log_close(); + +func_exit: + if (mtr->modifications) { + mtr_memo_note_modifications(mtr); + } + + log_release(); } #endif /* !UNIV_HOTBACKUP */ @@ -172,10 +236,6 @@ mtr_commit( /*=======*/ mtr_t* mtr) /*!< in: mini-transaction */ { -#ifndef UNIV_HOTBACKUP - ibool write_log; -#endif /* !UNIV_HOTBACKUP */ - ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); ut_ad(mtr->state == MTR_ACTIVE); @@ -184,25 +244,12 @@ mtr_commit( #ifndef UNIV_HOTBACKUP /* This is a dirty read, for debugging. */ ut_ad(!recv_no_log_write); - write_log = mtr->modifications && mtr->n_log_recs; - if (write_log) { + if (mtr->modifications && mtr->n_log_recs) { mtr_log_reserve_and_write(mtr); } - /* We first update the modification info to buffer pages, and only - after that release the log mutex: this guarantees that when the log - mutex is free, all buffer pages contain an up-to-date info of their - modifications. This fact is used in making a checkpoint when we look - at the oldest modification of any page in the buffer pool. It is also - required when we insert modified buffer pages in to the flush list - which must be sorted on oldest_modification. */ - mtr_memo_pop_all(mtr); - - if (write_log) { - log_release(); - } #endif /* !UNIV_HOTBACKUP */ ut_d(mtr->state = MTR_COMMITTED); @@ -241,6 +288,10 @@ mtr_rollback_to_savepoint( slot = dyn_array_get_element(memo, offset); ut_ad(slot->type != MTR_MEMO_MODIFY); + + /* We do not call mtr_memo_slot_note_modification() + because there MUST be no changes made to the buffer + pages after the savepoint */ mtr_memo_slot_release(mtr, slot); } } @@ -272,7 +323,10 @@ mtr_memo_release( slot = dyn_array_get_element(memo, offset); - if ((object == slot->object) && (type == slot->type)) { + if (object == slot->object && type == slot->type) { + if (mtr->modifications) { + mtr_memo_slot_note_modification(mtr, slot); + } mtr_memo_slot_release(mtr, slot); diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 569fc6328c4..c1f9ecd5fe1 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1092,6 +1092,7 @@ sync_thread_add_level( case SYNC_TRX_SYS_HEADER: case SYNC_FILE_FORMAT_TAG: case SYNC_DOUBLEWRITE: + case SYNC_BUF_FLUSH_LIST: case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: case SYNC_SEARCH_SYS_CONF: From 67cd3302564cbb5e913b46b58e5f03a58f622f8d Mon Sep 17 00:00:00 2001 From: marko <> Date: Sat, 26 Dec 2009 19:17:43 +0000 Subject: [PATCH 151/400] branches/innodb+: Merge revisions 6130:6364 from branches/zip: ------------------------------------------------------------------------ r6130 | marko | 2009-11-02 11:42:56 +0200 (Mon, 02 Nov 2009) | 9 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/btr/btr0sea.c M /branches/zip/buf/buf0buf.c M /branches/zip/dict/dict0dict.c M /branches/zip/fil/fil0fil.c M /branches/zip/ibuf/ibuf0ibuf.c M /branches/zip/include/btr0sea.h M /branches/zip/include/dict0dict.h M /branches/zip/include/fil0fil.h M /branches/zip/include/ibuf0ibuf.h M /branches/zip/include/lock0lock.h M /branches/zip/include/log0log.h M /branches/zip/include/log0recv.h M /branches/zip/include/mem0mem.h M /branches/zip/include/mem0pool.h M /branches/zip/include/os0file.h M /branches/zip/include/pars0pars.h M /branches/zip/include/srv0srv.h M /branches/zip/include/thr0loc.h M /branches/zip/include/trx0i_s.h M /branches/zip/include/trx0purge.h M /branches/zip/include/trx0rseg.h M /branches/zip/include/trx0sys.h M /branches/zip/include/trx0undo.h M /branches/zip/include/usr0sess.h M /branches/zip/lock/lock0lock.c M /branches/zip/log/log0log.c M /branches/zip/log/log0recv.c M /branches/zip/mem/mem0dbg.c M /branches/zip/mem/mem0pool.c M /branches/zip/os/os0file.c M /branches/zip/os/os0sync.c M /branches/zip/os/os0thread.c M /branches/zip/pars/lexyy.c M /branches/zip/pars/pars0lex.l M /branches/zip/que/que0que.c M /branches/zip/srv/srv0srv.c M /branches/zip/srv/srv0start.c M /branches/zip/sync/sync0arr.c M /branches/zip/sync/sync0sync.c M /branches/zip/thr/thr0loc.c M /branches/zip/trx/trx0i_s.c M /branches/zip/trx/trx0purge.c M /branches/zip/trx/trx0rseg.c M /branches/zip/trx/trx0sys.c M /branches/zip/trx/trx0undo.c M /branches/zip/usr/usr0sess.c M /branches/zip/ut/ut0mem.c branches/zip: Free all resources at shutdown. Set pointers to NULL, so that Valgrind will not complain about freed data structures that are reachable via pointers. This addresses Bug #45992 and Bug #46656. This patch is mostly based on changes copied from branches/embedded-1.0, mainly c5432, c3439, c3134, c2994, c2978, but also some other code was copied. Some added cleanup code is specific to MySQL/InnoDB. rb://199 approved by Sunny Bains ------------------------------------------------------------------------ r6134 | marko | 2009-11-04 09:57:29 +0200 (Wed, 04 Nov 2009) | 5 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc branches/zip: innobase_convert_identifier(): Convert table names with explain_filename() to address Bug #32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs. rb://134 approved by Sunny Bains ------------------------------------------------------------------------ r6137 | marko | 2009-11-04 15:24:28 +0200 (Wed, 04 Nov 2009) | 1 line Changed paths: M /branches/zip/dict/dict0dict.c branches/zip: dict_index_too_big_for_undo(): Correct a typo. ------------------------------------------------------------------------ r6153 | vasil | 2009-11-10 15:33:22 +0200 (Tue, 10 Nov 2009) | 145 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: Merge r6125:6152 from branches/5.1: (everything except the last white-space change was skipped as it is already in branches/zip) ------------------------------------------------------------------------ r6127 | vasil | 2009-10-30 11:18:25 +0200 (Fri, 30 Oct 2009) | 18 lines Changed paths: M /branches/5.1/Makefile.am M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Backport c6121 from branches/zip: ------------------------------------------------------------------------ r6121 | sunny | 2009-10-30 01:42:11 +0200 (Fri, 30 Oct 2009) | 7 lines Changed paths: M /branches/zip/mysql-test/innodb-autoinc.result branches/zip: This test has been problematic for sometime now. The underlying bug is that the data dictionaries get out of sync. In the AUTOINC code we try and apply salve to the symptoms. In the past MySQL made some unrelated change and the dictionaries stopped getting out of sync and this test started to fail. Now, it seems they have reverted that changed and the test is passing again. I suspect this is not he last time that this test will change. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6129 | vasil | 2009-10-30 17:14:22 +0200 (Fri, 30 Oct 2009) | 4 lines Changed paths: M /branches/5.1/Makefile.am branches/5.1: Revert a change to Makefile.am that sneaked unnoticed in c6127. ------------------------------------------------------------------------ r6136 | marko | 2009-11-04 12:28:10 +0200 (Wed, 04 Nov 2009) | 15 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/ha_prototypes.h M /branches/5.1/ut/ut0ut.c branches/5.1: Port r6134 from branches/zip: ------------------------------------------------------------------------ r6134 | marko | 2009-11-04 07:57:29 +0000 (Wed, 04 Nov 2009) | 5 lines branches/zip: innobase_convert_identifier(): Convert table names with explain_filename() to address Bug #32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs. rb://134 approved by Sunny Bains ------------------------------------------------------------------------ innobase_print_identifier(): Replace with innobase_convert_name(). innobase_convert_identifier(): New function, called by innobase_convert_name(). ------------------------------------------------------------------------ r6149 | vasil | 2009-11-09 11:15:01 +0200 (Mon, 09 Nov 2009) | 5 lines Changed paths: M /branches/5.1/CMakeLists.txt branches/5.1: Followup to r5700: Adjust the changes so they are the same as in the BZR repository. ------------------------------------------------------------------------ r6150 | vasil | 2009-11-09 11:43:31 +0200 (Mon, 09 Nov 2009) | 58 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Merge a part of r2911.5.5 from MySQL: (the other part of this was merged in c5700) ------------------------------------------------------------ revno: 2911.5.5 committer: Vladislav Vaintroub branch nick: 5.1-innodb_plugin timestamp: Wed 2009-06-10 10:59:49 +0200 message: Backport WL#3653 to 5.1 to enable bundled innodb plugin. Remove custom DLL loader code from innodb plugin code, use symbols exported from mysqld. removed: storage/innodb_plugin/handler/handler0vars.h storage/innodb_plugin/handler/win_delay_loader.cc added: storage/mysql_storage_engine.cmake win/create_def_file.js modified: CMakeLists.txt include/m_ctype.h include/my_global.h include/my_sys.h include/mysql/plugin.h libmysqld/CMakeLists.txt mysql-test/mysql-test-run.pl mysql-test/t/plugin.test mysql-test/t/plugin_load-master.opt mysys/charset.c sql/CMakeLists.txt sql/handler.h sql/mysql_priv.h sql/mysqld.cc sql/sql_class.cc sql/sql_class.h sql/sql_list.h sql/sql_profile.h storage/Makefile.am storage/archive/CMakeLists.txt storage/blackhole/CMakeLists.txt storage/csv/CMakeLists.txt storage/example/CMakeLists.txt storage/federated/CMakeLists.txt storage/heap/CMakeLists.txt storage/innobase/CMakeLists.txt storage/innobase/handler/ha_innodb.cc storage/innodb_plugin/CMakeLists.txt storage/innodb_plugin/handler/ha_innodb.cc storage/innodb_plugin/handler/handler0alter.cc storage/innodb_plugin/handler/i_s.cc storage/innodb_plugin/plug.in storage/myisam/CMakeLists.txt storage/myisammrg/CMakeLists.txt win/Makefile.am win/configure.js ------------------------------------------------------------------------ r6152 | vasil | 2009-11-10 15:30:20 +0200 (Tue, 10 Nov 2009) | 4 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: White space fixup. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6157 | jyang | 2009-11-11 14:27:09 +0200 (Wed, 11 Nov 2009) | 10 lines Changed paths: M /branches/zip/handler/ha_innodb.cc A /branches/zip/mysql-test/innodb_bug47167.result A /branches/zip/mysql-test/innodb_bug47167.test M /branches/zip/mysql-test/innodb_file_format.result branches/zip: Fix an issue that a local variable defined in innodb_file_format_check_validate() is being referenced across function in innodb_file_format_check_update(). In addition, fix "set global innodb_file_format_check = DEFAULT" call. Bug #47167: "set global innodb_file_format_check" cannot set value by User-Defined Variable." rb://169 approved by Sunny Bains and Marko. ------------------------------------------------------------------------ r6159 | vasil | 2009-11-11 15:13:01 +0200 (Wed, 11 Nov 2009) | 37 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/ha_innodb.h branches/zip: Merge a change from MySQL: (this has been reviewed by Calvin and Marko, and Calvin says Luis has incorporated Marko's suggestions) ------------------------------------------------------------ revno: 3092.5.1 committer: Luis Soares branch nick: mysql-5.1-bugteam timestamp: Thu 2009-09-24 15:52:52 +0100 message: BUG#42829: binlogging enabled for all schemas regardless of binlog-db-db / binlog-ignore-db InnoDB will return an error if statement based replication is used along with transaction isolation level READ-COMMITTED (or weaker), even if the statement in question is filtered out according to the binlog-do-db rules set. In this case, an error should not be printed. This patch addresses this issue by extending the existing check in external_lock to take into account the filter rules before deciding to print an error. Furthermore, it also changes decide_logging_format to take into consideration whether the statement is filtered out from binlog before decision is made. added: mysql-test/suite/binlog/r/binlog_stm_do_db.result mysql-test/suite/binlog/t/binlog_stm_do_db-master.opt mysql-test/suite/binlog/t/binlog_stm_do_db.test modified: sql/sql_base.cc sql/sql_class.cc storage/innobase/handler/ha_innodb.cc storage/innobase/handler/ha_innodb.h storage/innodb_plugin/handler/ha_innodb.cc storage/innodb_plugin/handler/ha_innodb.h ------------------------------------------------------------------------ r6160 | vasil | 2009-11-11 15:33:49 +0200 (Wed, 11 Nov 2009) | 72 lines Changed paths: M /branches/zip/include/os0file.h M /branches/zip/os/os0file.c branches/zip: Merge r6152:6159 from branches/5.1: (r6158 was skipped as an equivallent change has already been merged from MySQL) ------------------------------------------------------------------------ r6154 | calvin | 2009-11-11 02:51:17 +0200 (Wed, 11 Nov 2009) | 17 lines Changed paths: M /branches/5.1/include/os0file.h M /branches/5.1/os/os0file.c branches/5.1: fix bug#3139: Mysql crashes: 'windows error 995' after several selects on a large DB During stress environment, Windows AIO may fail with error code ERROR_OPERATION_ABORTED. InnoDB does not handle the error, rather crashes. The cause of the error is unknown, but likely due to faulty hardware or driver. This patch introduces a new error code OS_FILE_OPERATION_ABORTED, which maps to Windows ERROR_OPERATION_ABORTED (995). When the error is detected during AIO, the InnoDB will issue a synchronous retry (read/write). This patch has been extensively tested by MySQL support. Approved by: Marko rb://196 ------------------------------------------------------------------------ r6158 | vasil | 2009-11-11 14:52:14 +0200 (Wed, 11 Nov 2009) | 37 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/handler/ha_innodb.h branches/5.1: Merge a change from MySQL: (this has been reviewed by Calvin and Marko, and Calvin says Luis has incorporated Marko's suggestions) ------------------------------------------------------------ revno: 3092.5.1 committer: Luis Soares branch nick: mysql-5.1-bugteam timestamp: Thu 2009-09-24 15:52:52 +0100 message: BUG#42829: binlogging enabled for all schemas regardless of binlog-db-db / binlog-ignore-db InnoDB will return an error if statement based replication is used along with transaction isolation level READ-COMMITTED (or weaker), even if the statement in question is filtered out according to the binlog-do-db rules set. In this case, an error should not be printed. This patch addresses this issue by extending the existing check in external_lock to take into account the filter rules before deciding to print an error. Furthermore, it also changes decide_logging_format to take into consideration whether the statement is filtered out from binlog before decision is made. added: mysql-test/suite/binlog/r/binlog_stm_do_db.result mysql-test/suite/binlog/t/binlog_stm_do_db-master.opt mysql-test/suite/binlog/t/binlog_stm_do_db.test modified: sql/sql_base.cc sql/sql_class.cc storage/innobase/handler/ha_innodb.cc storage/innobase/handler/ha_innodb.h storage/innodb_plugin/handler/ha_innodb.cc storage/innodb_plugin/handler/ha_innodb.h ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6161 | vasil | 2009-11-11 15:36:16 +0200 (Wed, 11 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Add changelog entry for r6160. ------------------------------------------------------------------------ r6162 | vasil | 2009-11-11 16:00:12 +0200 (Wed, 11 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog for r6157. ------------------------------------------------------------------------ r6163 | calvin | 2009-11-11 17:53:20 +0200 (Wed, 11 Nov 2009) | 8 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/ha_innodb.h branches/zip: Exclude thd_binlog_filter_ok() when building with older version of MySQL. thd_binlog_filter_ok() is introduced in MySQL 5.1.41. But the plugin can be built with MySQL prior to 5.1.41. Approved by Heikki (on IM). ------------------------------------------------------------------------ r6169 | calvin | 2009-11-12 14:40:43 +0200 (Thu, 12 Nov 2009) | 6 lines Changed paths: A /branches/zip/mysql-test/innodb_bug46676.result A /branches/zip/mysql-test/innodb_bug46676.test branches/zip: add test case for bug#46676 This crash is reproducible with InnoDB plugin 1.0.4 + MySQL 5.1.37. But no longer reproducible after MySQL 5.1.38 (with plugin 1.0.5). Add test case to catch future regression. ------------------------------------------------------------------------ r6170 | marko | 2009-11-12 15:49:08 +0200 (Thu, 12 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc M /branches/zip/include/db0err.h M /branches/zip/row/row0merge.c M /branches/zip/row/row0mysql.c branches/zip: Allow CREATE INDEX to be interrupted. (Issue #354) rb://183 approved by Heikki Tuuri ------------------------------------------------------------------------ r6175 | vasil | 2009-11-16 20:07:39 +0200 (Mon, 16 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Wrap line at 78th char in the ChangeLog ------------------------------------------------------------------------ r6177 | calvin | 2009-11-16 20:20:38 +0200 (Mon, 16 Nov 2009) | 2 lines Changed paths: M /branches/zip/ChangeLog branches/zip: add an entry to ChangeLog for r6065 ------------------------------------------------------------------------ r6179 | marko | 2009-11-17 10:19:34 +0200 (Tue, 17 Nov 2009) | 2 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: ha_innobase::change_active_index(): When the history is missing, report it to the client, not to the error log. ------------------------------------------------------------------------ r6181 | vasil | 2009-11-17 12:21:41 +0200 (Tue, 17 Nov 2009) | 33 lines Changed paths: M /branches/zip/mysql-test/innodb-index.test branches/zip: At the end of innodb-index.test: restore the environment as it was before the test was started to silence this warning: MTR's internal check of the test case 'main.innodb-index' failed. This means that the test case does not preserve the state that existed before the test case was executed. Most likely the test case did not do a proper clean-up. This is the diff of the states of the servers before and after the test case was executed: mysqltest: Logging to '/tmp/autotest.sh-20091117_033000-zip.btyZwu/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.log'. mysqltest: Results saved in '/tmp/autotest.sh-20091117_033000-zip.btyZwu/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.result'. mysqltest: Connecting to server localhost:13000 (socket /tmp/autotest.sh-20091117_033000-zip.btyZwu/mysql-5.1/mysql-test/var/tmp/mysqld.1.sock) as 'root', connection 'default', attempt 0 ... mysqltest: ... Connected. mysqltest: Start processing test commands from './include/check-testcase.test' ... mysqltest: ... Done processing test commands. --- /tmp/autotest.sh-20091117_033000-zip.btyZwu/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.result 2009-11-17 13:10:40.000000000 +0300 +++ /tmp/autotest.sh-20091117_033000-zip.btyZwu/mysql-5.1/mysql-test/var/tmp/check-mysqld_1.reject 2009-11-17 13:10:54.000000000 +0300 @@ -84,7 +84,7 @@ INNODB_DOUBLEWRITE ON INNODB_FAST_SHUTDOWN 1 INNODB_FILE_FORMAT Antelope -INNODB_FILE_FORMAT_CHECK Antelope +INNODB_FILE_FORMAT_CHECK Barracuda INNODB_FILE_PER_TABLE OFF INNODB_FLUSH_LOG_AT_TRX_COMMIT 1 INNODB_FLUSH_METHOD mysqltest: Result content mismatch not ok ------------------------------------------------------------------------ r6182 | marko | 2009-11-17 13:49:15 +0200 (Tue, 17 Nov 2009) | 1 line Changed paths: M /branches/zip/mysql-test/innodb-consistent-master.opt M /branches/zip/mysql-test/innodb-consistent.result M /branches/zip/mysql-test/innodb-consistent.test M /branches/zip/mysql-test/innodb-use-sys-malloc-master.opt M /branches/zip/mysql-test/innodb-use-sys-malloc.result M /branches/zip/mysql-test/innodb-use-sys-malloc.test M /branches/zip/mysql-test/innodb_bug21704.result M /branches/zip/mysql-test/innodb_bug21704.test M /branches/zip/mysql-test/innodb_bug40360.test M /branches/zip/mysql-test/innodb_bug40565.result M /branches/zip/mysql-test/innodb_bug40565.test M /branches/zip/mysql-test/innodb_bug41904.result M /branches/zip/mysql-test/innodb_bug41904.test M /branches/zip/mysql-test/innodb_bug42101-nonzero-master.opt M /branches/zip/mysql-test/innodb_bug42101-nonzero.result M /branches/zip/mysql-test/innodb_bug42101-nonzero.test M /branches/zip/mysql-test/innodb_bug42101.result M /branches/zip/mysql-test/innodb_bug42101.test M /branches/zip/mysql-test/innodb_bug44032.result M /branches/zip/mysql-test/innodb_bug44032.test M /branches/zip/mysql-test/innodb_bug44369.result M /branches/zip/mysql-test/innodb_bug44369.test M /branches/zip/mysql-test/innodb_bug44571.result M /branches/zip/mysql-test/innodb_bug44571.test M /branches/zip/mysql-test/innodb_bug45357.test M /branches/zip/mysql-test/innodb_bug46000.result M /branches/zip/mysql-test/innodb_bug46000.test M /branches/zip/mysql-test/innodb_bug46676.result M /branches/zip/mysql-test/innodb_bug46676.test M /branches/zip/mysql-test/innodb_bug47167.result M /branches/zip/mysql-test/innodb_bug47167.test M /branches/zip/mysql-test/innodb_bug47777.result M /branches/zip/mysql-test/innodb_bug47777.test M /branches/zip/mysql-test/innodb_file_format.result M /branches/zip/mysql-test/innodb_file_format.test branches/zip: Set svn:eol-style on mysql-test files. ------------------------------------------------------------------------ r6183 | marko | 2009-11-17 13:51:16 +0200 (Tue, 17 Nov 2009) | 1 line Changed paths: M /branches/zip/mysql-test/innodb-consistent-master.opt M /branches/zip/mysql-test/innodb-master.opt M /branches/zip/mysql-test/innodb-semi-consistent-master.opt M /branches/zip/mysql-test/innodb-use-sys-malloc-master.opt M /branches/zip/mysql-test/innodb_bug42101-nonzero-master.opt branches/zip: Prepend loose_ to plugin-only mysql-test options. ------------------------------------------------------------------------ r6184 | marko | 2009-11-17 13:52:01 +0200 (Tue, 17 Nov 2009) | 1 line Changed paths: M /branches/zip/mysql-test/innodb-index.result M /branches/zip/mysql-test/innodb-index.test branches/zip: innodb-index.test: Restore innodb_file_format_check. ------------------------------------------------------------------------ r6185 | marko | 2009-11-17 16:44:20 +0200 (Tue, 17 Nov 2009) | 16 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/mysql-test/innodb.result M /branches/zip/mysql-test/innodb.test M /branches/zip/mysql-test/innodb_bug44369.result M /branches/zip/mysql-test/innodb_bug44369.test D /branches/zip/mysql-test/patches/innodb-index.diff M /branches/zip/row/row0mysql.c branches/zip: Report duplicate table names to the client connection, not to the error log. This change will allow innodb-index.test to be re-enabled. It was previously disabled, because mysql-test-run does not like output in the error log. row_create_table_for_mysql(): Do not output anything to the error log when reporting DB_DUPLICATE_KEY. Let the caller report the error. Add a TODO comment that the dict_table_t object is apparently not freed when an error occurs. create_table_def(): Convert InnoDB table names to the character set of the client connection for reporting. Use my_error(ER_WRONG_COLUMN_NAME) for reporting reserved column names. Report my_error(ER_TABLE_EXISTS_ERROR) when row_create_table_for_mysql() returns DB_DUPLICATE_KEY. rb://206 ------------------------------------------------------------------------ r6186 | vasil | 2009-11-17 16:48:14 +0200 (Tue, 17 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog entry for r6185. ------------------------------------------------------------------------ r6189 | marko | 2009-11-18 11:36:18 +0200 (Wed, 18 Nov 2009) | 5 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/handler0alter.cc branches/zip: ha_innobase::add_index(): When creating the primary key and the table is being locked by another transaction, do not attempt to drop the table. (Bug #48782) Approved by Sunny Bains over IM ------------------------------------------------------------------------ r6194 | vasil | 2009-11-19 09:24:45 +0200 (Thu, 19 Nov 2009) | 5 lines Changed paths: M /branches/zip/include/univ.i branches/zip: Increment version number from 1.0.5 to 1.0.6 since 1.0.5 was just released by MySQL and we will soon release 1.0.6. ------------------------------------------------------------------------ r6197 | calvin | 2009-11-19 09:32:55 +0200 (Thu, 19 Nov 2009) | 6 lines Changed paths: M /branches/zip/CMakeLists.txt branches/zip: merge the fix of bug#48317 (CMake file) Due to MySQL changes to the CMake, it is no longer able to build InnoDB plugin as a static library on Windows. The fix is proposed by Vlad of MySQL. ------------------------------------------------------------------------ r6198 | vasil | 2009-11-19 09:44:31 +0200 (Thu, 19 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog entry for r6197. ------------------------------------------------------------------------ r6199 | vasil | 2009-11-19 12:10:12 +0200 (Thu, 19 Nov 2009) | 31 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/btr/btr0btr.c M /branches/zip/data/data0type.c branches/zip: Merge r6159:6198 from branches/5.1: ------------------------------------------------------------------------ r6187 | jyang | 2009-11-18 05:27:30 +0200 (Wed, 18 Nov 2009) | 9 lines Changed paths: M /branches/5.1/btr/btr0btr.c branches/5.1: Fix bug #48469 "when innodb tablespace is configured too small, crash and corruption!". Function btr_create() did not check the return status of fseg_create(), and continue the index creation even there is no sufficient space. rb://205 Approved by Marko ------------------------------------------------------------------------ r6188 | jyang | 2009-11-18 07:14:23 +0200 (Wed, 18 Nov 2009) | 8 lines Changed paths: M /branches/5.1/data/data0type.c branches/5.1: Fix bug #48526 "Data type for float and double is incorrectly reported in InnoDB table monitor". Certain datatypes are not printed correctly in dtype_print(). rb://204 Approved by Marko. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6201 | marko | 2009-11-19 14:09:11 +0200 (Thu, 19 Nov 2009) | 2 lines Changed paths: M /branches/zip/handler/handler0alter.cc branches/zip: ha_innobase::add_index(): Clarify the comment on orphaned tables when creating a primary key. ------------------------------------------------------------------------ r6202 | jyang | 2009-11-19 15:01:00 +0200 (Thu, 19 Nov 2009) | 8 lines Changed paths: M /branches/zip/btr/btr0btr.c branches/zip: Function fseg_free() is no longer defined in branches/zip. To port fix for bug #48469 to zip, we can use btr_free_root() which frees the page, and also does not require mini-transaction. Approved by Marko. ------------------------------------------------------------------------ r6207 | vasil | 2009-11-20 10:19:14 +0200 (Fri, 20 Nov 2009) | 54 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: Merge r6198:6206 from branches/5.1: (r6203 was skipped as it is already in branches/zip) ------------------------------------------------------------------------ r6200 | vasil | 2009-11-19 12:14:23 +0200 (Thu, 19 Nov 2009) | 4 lines Changed paths: M /branches/5.1/btr/btr0btr.c branches/5.1: White space fixup - indent under the opening ( ------------------------------------------------------------------------ r6203 | jyang | 2009-11-19 15:12:22 +0200 (Thu, 19 Nov 2009) | 8 lines Changed paths: M /branches/5.1/btr/btr0btr.c branches/5.1: Use btr_free_root() instead of fseg_free() for the fix of bug #48469, because fseg_free() is not defined in the zip branch. And we could save one mini-trasaction started by fseg_free(). Approved by Marko. ------------------------------------------------------------------------ r6205 | jyang | 2009-11-20 07:55:48 +0200 (Fri, 20 Nov 2009) | 11 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Add a special case to handle the Duplicated Key error and return DB_ERROR instead. This is to avoid a possible SIGSEGV by mysql error handling re-entering the storage layer for dup key info without proper table handle. This is to prevent a server crash when error situation in bug #45961 "DDL on partitioned innodb tables leaves data dictionary in an inconsistent state" happens. rb://157 approved by Sunny Bains. ------------------------------------------------------------------------ r6206 | jyang | 2009-11-20 09:38:43 +0200 (Fri, 20 Nov 2009) | 5 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Fix a minor code formating issue for the parenthesis iplacement of the if condition in rename_table(). ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6208 | vasil | 2009-11-20 10:49:24 +0200 (Fri, 20 Nov 2009) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog entry for c6207. ------------------------------------------------------------------------ r6210 | vasil | 2009-11-20 23:39:48 +0200 (Fri, 20 Nov 2009) | 3 lines Changed paths: M /branches/zip/trx/trx0i_s.c branches/zip: Whitespace fixup. ------------------------------------------------------------------------ r6248 | marko | 2009-11-30 12:19:50 +0200 (Mon, 30 Nov 2009) | 1 line Changed paths: M /branches/zip/ChangeLog branches/zip: ChangeLog: Document r4922 that was forgotten. ------------------------------------------------------------------------ r6252 | marko | 2009-11-30 12:50:11 +0200 (Mon, 30 Nov 2009) | 23 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/dict/dict0boot.c M /branches/zip/dict/dict0crea.c M /branches/zip/dict/dict0load.c M /branches/zip/dict/dict0mem.c M /branches/zip/fil/fil0fil.c M /branches/zip/handler/ha_innodb.cc M /branches/zip/include/dict0mem.h M /branches/zip/row/row0mysql.c branches/zip: Suppress errors about non-found temporary tables. Write the is_temp flag to SYS_TABLES.MIX_LEN. dict_table_t::flags: Add a flag for is_temporary, DICT_TF2_TEMPORARY. Unlike other flags, this will not be written to the tablespace flags or SYS_TABLES.TYPE, but only to SYS_TABLES.MIX_LEN. dict_build_table_def_step(): Only pass DICT_TF_BITS to tablespaces. dict_check_tablespaces_and_store_max_id(), dict_load_table(): Suppress errors about temporary tables not being found. dict_create_sys_tables_tuple(): Write the DICT_TF2_TEMPORARY flag to SYS_TABLES.MIX_LEN. fil_space_create(), fil_create_new_single_table_tablespace(): Add assertions about space->flags. row_drop_table_for_mysql(): Do not complain about non-found temporary tables. rb://160 approved by Heikki Tuuri. This addresses the second part of Bug #41609 Crash recovery does not work for InnoDB temporary tables. ------------------------------------------------------------------------ r6263 | vasil | 2009-12-01 14:49:05 +0200 (Tue, 01 Dec 2009) | 4 lines Changed paths: M /branches/zip/include/univ.i branches/zip: Increment version number from 1.0.6 to 1.0.7 1.0.6 has been released ------------------------------------------------------------------------ r6264 | vasil | 2009-12-01 16:19:44 +0200 (Tue, 01 Dec 2009) | 1 line Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog entry for the release of 1.0.6. ------------------------------------------------------------------------ r6269 | marko | 2009-12-02 11:35:22 +0200 (Wed, 02 Dec 2009) | 2 lines Changed paths: M /branches/zip/srv/srv0start.c branches/zip: innobase_start_or_create_for_mysql(): UNIV_IBUF_DEBUG should not break crash recovery, but UNIV_IBUF_COUNT_DEBUG will. ------------------------------------------------------------------------ r6270 | marko | 2009-12-02 11:36:47 +0200 (Wed, 02 Dec 2009) | 1 line Changed paths: M /branches/zip/srv/srv0start.c branches/zip: innobase_start_or_create_for_mysql(): Log the zlib version. ------------------------------------------------------------------------ r6271 | marko | 2009-12-02 11:43:49 +0200 (Wed, 02 Dec 2009) | 2 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/Makefile.am M /branches/zip/include/univ.i M /branches/zip/plug.in branches/zip: ChangeLog: Document that since r6270, the zlib version number will be displayed at start-up. ------------------------------------------------------------------------ r6272 | marko | 2009-12-02 11:46:05 +0200 (Wed, 02 Dec 2009) | 1 line Changed paths: M /branches/zip/Makefile.am M /branches/zip/include/univ.i M /branches/zip/plug.in branches/zip: Revert changes that were accidentally committed in r6271. ------------------------------------------------------------------------ r6274 | marko | 2009-12-03 14:47:12 +0200 (Thu, 03 Dec 2009) | 6 lines Changed paths: M /branches/zip/dict/dict0dict.c branches/zip: dict_table_check_for_dup_indexes(): Assert that the data dictionary mutex is being held while table->indexes is accessed. This is already the case. Currently, only dict_table_get_next_index() and dict_table_get_first_index() are being invoked without holding dict_sys->mutex. ------------------------------------------------------------------------ r6275 | pekka | 2009-12-03 18:32:47 +0200 (Thu, 03 Dec 2009) | 10 lines Changed paths: M /branches/zip/include/log0recv.h M /branches/zip/include/trx0sys.h M /branches/zip/log/log0recv.c M /branches/zip/trx/trx0sys.c branches/zip: Minor changes which allow build with UNIV_HOTBACKUP defined to succeed: include/trx0sys.h: Allow Hot Backup build to see some TRX_SYS_DOUBLEWRITE_... macros. trx/trx0sys.c: Exclude trx_sys_close() function from Hot Backup build. log/log0recv.[ch]: Exclude recv_sys_var_init() function from Hot Backup build. This change should not affect !UNIV_HOTBACKUP build. ------------------------------------------------------------------------ r6277 | marko | 2009-12-08 11:13:36 +0200 (Tue, 08 Dec 2009) | 1 line Changed paths: M /branches/zip/fsp/fsp0fsp.c branches/zip: fsp0fsp.c: Add some missing in/out and const qualifiers. ------------------------------------------------------------------------ r6285 | marko | 2009-12-09 09:24:50 +0200 (Wed, 09 Dec 2009) | 13 lines Changed paths: M /branches/zip/row/row0sel.c branches/zip: row_sel_fetch_columns(): Remove redundant code that was accidentally added in r1591, which introduced dfield_t::ext in order to make the merge sort of fast index creation support externally stored columns, Initially, I tried to allocate the bit for dfield_t::ext from dfield_t::len by making the length 31 bits and mapping UNIV_SQL_NULL to something that would fit in it. Then I decided that it would be too risky. The redundant check was part of the mapping. The condition may have been dfield_is_null() initially. This redundant code was noticed by Sergey Petrunya on the MySQL internals list. ------------------------------------------------------------------------ r6288 | marko | 2009-12-09 09:51:00 +0200 (Wed, 09 Dec 2009) | 15 lines Changed paths: M /branches/zip/row/row0upd.c branches/zip: row_upd_copy_columns(): Remove redundant code that was accidentally added in r1591, which introduced dfield_t::ext in order to make the merge sort of fast index creation support externally stored columns. Initially, I tried to allocate the bit for dfield_t::ext from dfield_t::len by making the length 31 bits and mapping UNIV_SQL_NULL to something that would fit in it. Then I decided that it would be too risky. The redundant check was part of the mapping. The condition may have been dfield_is_null() initially. This is similar to the redundant code in row_sel_fetch_columns() that was noticed by Sergey Petrunya on the MySQL internals list and removed in r6285. As far as I can tell, there are no redundant UNIV_SQL_NULL assignments remaining after this change. ------------------------------------------------------------------------ r6305 | marko | 2009-12-14 13:03:57 +0200 (Mon, 14 Dec 2009) | 2 lines Changed paths: M /branches/zip/row/row0umod.c branches/zip: row_undo_mod_del_unmark_sec_and_undo_update(): Add a missing const qualifier. ------------------------------------------------------------------------ r6309 | marko | 2009-12-15 14:05:50 +0200 (Tue, 15 Dec 2009) | 3 lines Changed paths: M /branches/zip/lock/lock0lock.c branches/zip: lock_rec_insert_check_and_lock(): Avoid casting away constness. Use page_rec_get_next_const() instead. This silences a gcc 4.2.4 warning. Reported by Sunny Bains. ------------------------------------------------------------------------ r6312 | marko | 2009-12-16 10:10:36 +0200 (Wed, 16 Dec 2009) | 6 lines Changed paths: M /branches/zip/fil/fil0fil.c branches/zip: fil_close(): Add #ifndef UNIV_HOTBACKUP around a debug assertion on mutex.magic_n. InnoDB Hot Backup is a single-threaded program and does not contain mutexes. This change allows InnoDB Hot Backup to be compiled with UNIV_DEBUG. Suggested by Michael Izioumtchenko. ------------------------------------------------------------------------ r6321 | marko | 2009-12-16 16:16:33 +0200 (Wed, 16 Dec 2009) | 4 lines Changed paths: M /branches/zip/row/row0merge.c branches/zip: row_merge_drop_temp_indexes(): Revert a hack to transaction isolation level that was made unnecessary by r5826 (Issue #337). When this function is called, any active data dictionary transaction should have been rolled back. ------------------------------------------------------------------------ r6345 | marko | 2009-12-21 10:46:14 +0200 (Mon, 21 Dec 2009) | 7 lines Changed paths: M /branches/zip/log/log0recv.c branches/zip: recv_scan_log_recs(): Non-functional change: Replace a debug assertion ut_ad(len > 0) with ut_ad(len >= OS_FILE_LOG_BLOCK_SIZE). This change is only for readability, for Issue #428. Another assertion on len being an integer multiple of OS_FILE_LOG_BLOCK_SIZE already ensured together with the old ut_ad(len > 0) that actually len must be at least OS_FILE_LOG_BLOCK_SIZE. ------------------------------------------------------------------------ r6346 | marko | 2009-12-21 12:03:25 +0200 (Mon, 21 Dec 2009) | 2 lines Changed paths: M /branches/zip/log/log0recv.c branches/zip: recv_recovery_from_checkpoint_finish(): Revert a change that was accidentally committed in r6345. ------------------------------------------------------------------------ r6348 | marko | 2009-12-22 11:04:34 +0200 (Tue, 22 Dec 2009) | 37 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/include/ha_prototypes.h M /branches/zip/include/trx0trx.h M /branches/zip/lock/lock0lock.c M /branches/zip/trx/trx0i_s.c M /branches/zip/trx/trx0trx.c branches/zip: Merge a change from MySQL: ------------------------------------------------------------ revno: 3236 committer: Satya B branch nick: mysql-5.1-bugteam timestamp: Tue 2009-12-01 17:48:57 +0530 message: merge to mysql-5.1-bugteam ------------------------------------------------------------ revno: 3234.1.1 committer: Gleb Shchepa branch nick: mysql-5.1-bugteam timestamp: Tue 2009-12-01 14:38:40 +0400 message: Bug #38883 (reopened): thd_security_context is not thread safe, crashes? manual merge 5.0-->5.1, updating InnoDB plugin. ------------------------------------------------------------ revno: 1810.3968.13 committer: Gleb Shchepa branch nick: mysql-5.0-bugteam timestamp: Tue 2009-12-01 14:24:44 +0400 message: Bug #38883 (reopened): thd_security_context is not thread safe, crashes? The bug 38816 changed the lock that protects THD::query from LOCK_thread_count to LOCK_thd_data, but didn't update the associated InnoDB functions. 1. The innobase_mysql_prepare_print_arbitrary_thd and the innobase_mysql_end_print_arbitrary_thd InnoDB functions have been removed, since now we have a per-thread mutex: now we don't need to wrap several inter-thread access tries to THD::query with a single global LOCK_thread_count lock, so we can simplify the code. 2. The innobase_mysql_print_thd function has been modified to lock LOCK_thd_data in direct way. ------------------------------------------------------------------------ r6351 | marko | 2009-12-22 11:11:18 +0200 (Tue, 22 Dec 2009) | 1 line Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: Remove an obsolete declaration of LOCK_thread_count. ------------------------------------------------------------------------ r6352 | marko | 2009-12-22 12:33:01 +0200 (Tue, 22 Dec 2009) | 104 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/include/lock0lock.h M /branches/zip/include/srv0srv.h M /branches/zip/lock/lock0lock.c M /branches/zip/log/log0log.c M /branches/zip/mysql-test/innodb-autoinc.result M /branches/zip/mysql-test/innodb-autoinc.test M /branches/zip/row/row0sel.c M /branches/zip/srv/srv0srv.c M /branches/zip/srv/srv0start.c branches/zip: Merge revisions 6206:6350 from branches/5.1, except r6347, r6349, r6350 which were committed separately to both branches, and r6310, which was backported from zip to 5.1. ------------------------------------------------------------------------ r6206 | jyang | 2009-11-20 09:38:43 +0200 (Fri, 20 Nov 2009) | 3 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Non-functional change, fix formatting. ------------------------------------------------------------------------ r6230 | sunny | 2009-11-24 23:52:43 +0200 (Tue, 24 Nov 2009) | 3 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result branches/5.1: Fix autoinc failing test results. (this should be skipped when merging 5.1 into zip) ------------------------------------------------------------------------ r6231 | sunny | 2009-11-25 10:26:27 +0200 (Wed, 25 Nov 2009) | 7 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test M /branches/5.1/row/row0sel.c branches/5.1: Fix BUG#49032 - auto_increment field does not initialize to last value in InnoDB Storage Engine. We use the appropriate function to read the column value for non-integer autoinc column types, namely float and double. rb://208. Approved by Marko. ------------------------------------------------------------------------ r6232 | sunny | 2009-11-25 10:27:39 +0200 (Wed, 25 Nov 2009) | 2 lines Changed paths: M /branches/5.1/row/row0sel.c branches/5.1: This is an interim fix, fix white space errors. ------------------------------------------------------------------------ r6233 | sunny | 2009-11-25 10:28:35 +0200 (Wed, 25 Nov 2009) | 2 lines Changed paths: M /branches/5.1/include/mach0data.h M /branches/5.1/include/mach0data.ic M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test M /branches/5.1/row/row0sel.c branches/5.1: This is an interim fix, fix tests and make read float/double arg const. ------------------------------------------------------------------------ r6234 | sunny | 2009-11-25 10:29:03 +0200 (Wed, 25 Nov 2009) | 2 lines Changed paths: M /branches/5.1/row/row0sel.c branches/5.1: This is an interim fix, fix whitepsace issues. ------------------------------------------------------------------------ r6235 | sunny | 2009-11-26 01:14:42 +0200 (Thu, 26 Nov 2009) | 9 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Fix Bug#47720 - REPLACE INTO Autoincrement column with negative values. This bug is similiar to the negative autoinc filter patch from earlier, with the additional handling of filtering out the negative column values set explicitly by the user. rb://184 Approved by Heikki. ------------------------------------------------------------------------ r6242 | vasil | 2009-11-27 22:07:12 +0200 (Fri, 27 Nov 2009) | 4 lines Changed paths: M /branches/5.1/export.sh branches/5.1: Minor changes to support plugin snapshots. ------------------------------------------------------------------------ r6306 | calvin | 2009-12-14 15:12:46 +0200 (Mon, 14 Dec 2009) | 5 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: fix bug#49267: innodb-autoinc.test fails on windows because of different case mode There is no change to the InnoDB code, only to fix test case by changing "T1" to "t1". ------------------------------------------------------------------------ r6324 | jyang | 2009-12-17 06:54:24 +0200 (Thu, 17 Dec 2009) | 8 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/include/lock0lock.h M /branches/5.1/include/srv0srv.h M /branches/5.1/lock/lock0lock.c M /branches/5.1/log/log0log.c M /branches/5.1/srv/srv0srv.c M /branches/5.1/srv/srv0start.c branches/5.1: Fix bug #47814 - Diagnostics are frequently not printed after a long lock wait in InnoDB. Separate out the lock wait timeout check thread from monitor information printing thread. rb://200 Approved by Marko. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6364 | marko | 2009-12-26 21:06:31 +0200 (Sat, 26 Dec 2009) | 4 lines Changed paths: M /branches/zip/ibuf/ibuf0ibuf.c branches/zip: ibuf_bitmap_get_map_page(): Define a wrapper macro that passes __FILE__, __LINE__ of the caller to buf_page_get_gen(). This will ease the diagnosis of the likes of Issue #135. ------------------------------------------------------------------------ --- CMakeLists.txt | 12 +- ChangeLog | 101 +++++++- btr/btr0btr.c | 11 +- data/data0type.c | 16 ++ dict/dict0boot.c | 3 + dict/dict0crea.c | 17 +- dict/dict0dict.c | 4 +- dict/dict0load.c | 113 +++++--- dict/dict0mem.c | 2 +- fil/fil0fil.c | 11 +- fsp/fsp0fsp.c | 32 +-- handler/ha_innodb.cc | 242 ++++++++++-------- handler/ha_innodb.h | 9 + handler/handler0alter.cc | 13 +- ibuf/ibuf0ibuf.c | 37 ++- include/db0err.h | 1 + include/dict0mem.h | 24 +- include/ha_prototypes.h | 22 -- include/lock0lock.h | 11 +- include/log0recv.h | 2 + include/os0file.h | 1 + include/srv0srv.h | 24 +- include/trx0sys.h | 4 +- include/trx0trx.h | 4 +- lock/lock0lock.c | 31 ++- log/log0log.c | 2 +- log/log0recv.c | 4 +- mysql-test/innodb-autoinc.result | 78 +++++- mysql-test/innodb-autoinc.test | 49 +++- mysql-test/innodb-consistent-master.opt | 2 +- mysql-test/innodb-consistent.test | 116 ++++----- mysql-test/innodb-index.result | 1 + mysql-test/innodb-index.test | 10 + mysql-test/innodb-master.opt | 2 +- mysql-test/innodb-semi-consistent-master.opt | 2 +- mysql-test/innodb-use-sys-malloc-master.opt | 3 +- mysql-test/innodb.result | 2 +- mysql-test/innodb.test | 2 +- mysql-test/innodb_bug42101-nonzero-master.opt | 2 +- mysql-test/innodb_bug44369.result | 14 +- mysql-test/innodb_bug44369.test | 10 +- mysql-test/innodb_file_format.result | 2 - mysql-test/patches/innodb-index.diff | 62 ----- os/os0file.c | 54 +++- row/row0merge.c | 34 ++- row/row0mysql.c | 39 +-- row/row0sel.c | 30 ++- row/row0umod.c | 2 +- row/row0upd.c | 3 - srv/srv0srv.c | 181 +++++++++---- srv/srv0start.c | 32 ++- trx/trx0i_s.c | 7 +- trx/trx0sys.c | 2 + trx/trx0trx.c | 4 +- 54 files changed, 985 insertions(+), 513 deletions(-) delete mode 100644 mysql-test/patches/innodb-index.diff diff --git a/CMakeLists.txt b/CMakeLists.txt index 990382981ae..4aacd66c1ae 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -83,12 +83,12 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) IF (MYSQL_VERSION_ID GREATER "50137") - IF (WITH_INNOBASE_STORAGE_ENGINE) - MYSQL_STORAGE_ENGINE(INNOBASE) - ELSE (WITH_INNOBASE_STORAGE_ENGINE) - SET (INNODB_SOURCES ${INNOBASE_SOURCES}) - MYSQL_STORAGE_ENGINE(INNODB) - ENDIF (WITH_INNOBASE_STORAGE_ENGINE) + MYSQL_STORAGE_ENGINE(INNOBASE) + # Use ha_innodb for plugin name, if plugin is built + GET_TARGET_PROPERTY(LIB_LOCATION ha_innobase LOCATION) + IF(LIB_LOCATION) + SET_TARGET_PROPERTIES(ha_innobase PROPERTIES OUTPUT_NAME ha_innodb) + ENDIF(LIB_LOCATION) ELSE (MYSQL_VERSION_ID GREATER "50137") IF (NOT SOURCE_SUBLIBS) ADD_DEFINITIONS(-D_WIN32 -DMYSQL_SERVER) diff --git a/ChangeLog b/ChangeLog index 7c886a8d155..dddf37e2334 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,91 @@ -2009-01-01 The InnoDB Team +2009-12-02 The InnoDB Team + + * srv/srv0start.c: Display the zlib version number at startup. + InnoDB compressed tables use zlib, and the implementation depends + on the zlib function compressBound(), whose definition was slightly + changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 + from 2005, but some installations use a more recent zlib. + +2009-11-30 The InnoDB Team + + * dict/dict0crea.c, dict/dict0mem.c, dict/dict0load.c, + dict/dict0boot.c, fil/fil0fil.c, handler/ha_innodb.cc, + include/dict0mem.h, row/row0mysql.c: + Fix the bogus warning messages for non-existing temporary + tables that were reported in + Bug#41609 Crash recovery does not work for InnoDB temporary tables. + The actual crash recovery bug was corrected on 2009-04-29. + +2009-11-27 The InnoDB Team + + InnoDB Plugin 1.0.6 released + +2009-11-20 The InnoDB Team + + * handler/ha_innodb.cc: + Add a workaround to prevent a crash due to Bug#45961 DDL on + partitioned innodb tables leaves data dictionary in an inconsistent + state + +2009-11-19 The InnoDB Team + + * btr/btr0btr.c: + Fix Bug#48469 when innodb tablespace is configured too small, crash + and corruption! + +2009-11-19 The InnoDB Team + + * data/data0type.c: + Fix Bug#48526 Data type for float and double is incorrectly reported + in InnoDB table monitor + +2009-11-19 The InnoDB Team + + * CMakeLists.txt: + Fix Bug#48317 cannot build innodb as static library + +2009-11-18 The InnoDB Team + + * handler/handler0alter.cc: + Fix Bug#48782 On lock wait timeout, CREATE INDEX (creating primary key) + attempts DROP TABLE + +2009-11-17 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test, mysql-test/innodb_bug44369.result, + mysql-test/innodb_bug44369.test, mysql-test/patches/innodb-index.diff, + row/row0mysql.c: + Report duplicate table names to the client connection, not to the + error log. + +2009-11-12 The InnoDB Team + + * handler/ha_innodb.cc, include/db0err.h, row/row0merge.c, + row/row0mysql.c: + Allow CREATE INDEX to be interrupted. + Also, when CHECK TABLE is interrupted, report ER_QUERY_INTERRUPTED. + +2009-11-11 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug47167.result, + mysql-test/innodb_bug47167.test, mysql-test/innodb_file_format.result: + Fix Bug#47167 "set global innodb_file_format_check" cannot set value + by User-Defined Variable + +2009-11-11 The InnoDB Team + + * include/os0file.h, os/os0file.c: + Fix Bug#3139 Mysql crashes: 'windows error 995' after several selects + on a large DB + +2009-11-04 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#32430 'show innodb status' causes errors + Invalid (old?) table or database name in logs + +2009-11-02 The InnoDB Team * btr/btr0sea.c, buf/buf0buf.c, dict/dict0dict.c, fil/fil0fil.c, ibuf/ibuf0ibuf.c, include/btr0sea.h, include/dict0dict.h, @@ -85,6 +172,12 @@ Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro cc/CC 5.10 +2009-10-13 The InnoDB Team + + * buf/buf0flu.c: + Call fsync() on datafiles after a batch of pages is written to disk + even when skip_innodb_doublewrite is set. + 2009-10-05 The InnoDB Team * buf/buf0buf.c: @@ -464,6 +557,12 @@ Fix Bug#44320 InnoDB: missing DB_ROLL_PTR in Table Monitor COLUMNS output +2009-04-29 The InnoDB Team + + * fil/fil0fil.c, include/fil0fil.h, include/mtr0mtr.h, + log/log0recv.c: + Fix Bug#41609 Crash recovery does not work for InnoDB temporary tables + 2009-04-23 The InnoDB Team * row/row0mysql.c: diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 65d13a17bc1..66aaa9d759f 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -793,8 +793,15 @@ btr_create( } else { /* It is a non-ibuf tree: create a file segment for leaf pages */ - fseg_create(space, page_no, - PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr); + if (!fseg_create(space, page_no, + PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr)) { + /* Not enough space for new segment, free root + segment before return. */ + btr_free_root(space, zip_size, page_no, mtr); + + return(FIL_NULL); + } + /* The fseg create acquires a second latch on the page, therefore we must declare it: */ buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); diff --git a/data/data0type.c b/data/data0type.c index 8429775e7d8..e834fd2ec55 100644 --- a/data/data0type.c +++ b/data/data0type.c @@ -237,6 +237,22 @@ dtype_print( fputs("DATA_SYS", stderr); break; + case DATA_FLOAT: + fputs("DATA_FLOAT", stderr); + break; + + case DATA_DOUBLE: + fputs("DATA_DOUBLE", stderr); + break; + + case DATA_DECIMAL: + fputs("DATA_DECIMAL", stderr); + break; + + case DATA_VARMYSQL: + fputs("DATA_VARMYSQL", stderr); + break; + default: fprintf(stderr, "type %lu", (ulong) mtype); break; diff --git a/dict/dict0boot.c b/dict/dict0boot.c index e55de30481b..8f948c06c51 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -274,6 +274,9 @@ dict_boot(void) and (TYPE & DICT_TF_FORMAT_MASK) are nonzero and TYPE = table->flags */ dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); dict_mem_table_add_col(table, heap, "MIX_ID", DATA_BINARY, 0, 0); + /* MIX_LEN may contain additional table flags when + ROW_FORMAT!=REDUNDANT. Currently, these flags include + DICT_TF2_TEMPORARY. */ dict_mem_table_add_col(table, heap, "MIX_LEN", DATA_INT, 0, 4); dict_mem_table_add_col(table, heap, "CLUSTER_NAME", DATA_BINARY, 0, 0); dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 96a9bd8152e..b0341e5eeab 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -94,13 +94,13 @@ dict_create_sys_tables_tuple( dfield = dtuple_get_nth_field(entry, 3); ptr = mem_heap_alloc(heap, 4); - if (table->flags & ~DICT_TF_COMPACT) { + if (table->flags & (~DICT_TF_COMPACT & ~(~0 << DICT_TF_BITS))) { ut_a(table->flags & DICT_TF_COMPACT); ut_a(dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); ut_a((table->flags & DICT_TF_ZSSIZE_MASK) <= (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT)); - ut_a(!(table->flags & (~0 << DICT_TF_BITS))); - mach_write_to_4(ptr, table->flags); + ut_a(!(table->flags & (~0 << DICT_TF2_BITS))); + mach_write_to_4(ptr, table->flags & ~(~0 << DICT_TF_BITS)); } else { mach_write_to_4(ptr, DICT_TABLE_ORDINARY); } @@ -112,11 +112,12 @@ dict_create_sys_tables_tuple( ptr = mem_heap_zalloc(heap, 8); dfield_set_data(dfield, ptr, 8); - /* 7: MIX_LEN (obsolete) --------------------------*/ + /* 7: MIX_LEN (additional flags) --------------------------*/ dfield = dtuple_get_nth_field(entry, 5); - ptr = mem_heap_zalloc(heap, 4); + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, table->flags >> DICT_TF2_SHIFT); dfield_set_data(dfield, ptr, 4); /* 8: CLUSTER_NAME ---------------------*/ @@ -230,6 +231,7 @@ dict_build_table_def_step( dict_table_t* table; dtuple_t* row; ulint error; + ulint flags; const char* path_or_name; ibool is_path; mtr_t mtr; @@ -268,9 +270,10 @@ dict_build_table_def_step( ut_ad(!dict_table_zip_size(table) || dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); + flags = table->flags & ~(~0 << DICT_TF_BITS); error = fil_create_new_single_table_tablespace( &space, path_or_name, is_path, - table->flags == DICT_TF_COMPACT ? 0 : table->flags, + flags == DICT_TF_COMPACT ? 0 : flags, FIL_IBD_FILE_INITIAL_SIZE); table->space = (unsigned int) space; @@ -286,7 +289,7 @@ dict_build_table_def_step( mtr_commit(&mtr); } else { /* Create in the system tablespace: disallow new features */ - table->flags &= DICT_TF_COMPACT; + table->flags &= (~0 << DICT_TF_BITS) | DICT_TF_COMPACT; } row = dict_create_sys_tables_tuple(table, node->heap); diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 58ed35a4313..4c62e8de748 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1200,7 +1200,7 @@ dict_index_too_big_for_undo( = TRX_UNDO_PAGE_HDR - TRX_UNDO_PAGE_HDR_SIZE + 2 /* next record pointer */ + 1 /* type_cmpl */ - + 11 /* trx->undo_no */ - 11 /* table->id */ + + 11 /* trx->undo_no */ + 11 /* table->id */ + 1 /* rec_get_info_bits() */ + 11 /* DB_TRX_ID */ + 11 /* DB_ROLL_PTR */ @@ -4775,6 +4775,8 @@ dict_table_check_for_dup_indexes( const dict_index_t* index1; const dict_index_t* index2; + ut_ad(mutex_own(&dict_sys->mutex)); + /* The primary index _must_ exist */ ut_a(UT_LIST_GET_LEN(table->indexes) > 0); diff --git a/dict/dict0load.c b/dict/dict0load.c index 842a129c1a6..2867125e39d 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -390,15 +390,35 @@ loop: mtr_commit(&mtr); - if (space_id != 0 && in_crash_recovery) { + if (space_id == 0) { + /* The system tablespace always exists. */ + } else if (in_crash_recovery) { /* Check that the tablespace (the .ibd file) really - exists; print a warning to the .err log if not */ + exists; print a warning to the .err log if not. + Do not print warnings for temporary tables. */ + ibool is_temp; - fil_space_for_table_exists_in_mem(space_id, name, - FALSE, TRUE, TRUE); - } + field = rec_get_nth_field_old(rec, 4, &len); + if (0x80000000UL & mach_read_from_4(field)) { + /* ROW_FORMAT=COMPACT: read the is_temp + flag from SYS_TABLES.MIX_LEN. */ + field = rec_get_nth_field_old(rec, 7, &len); + is_temp = mach_read_from_4(field) + & DICT_TF2_TEMPORARY; + } else { + /* For tables created with old versions + of InnoDB, SYS_TABLES.MIX_LEN may contain + garbage. Such tables would always be + in ROW_FORMAT=REDUNDANT. Pretend that + all such tables are non-temporary. That is, + do not suppress error printouts about + temporary tables not being found. */ + is_temp = FALSE; + } - if (space_id != 0 && !in_crash_recovery) { + fil_space_for_table_exists_in_mem( + space_id, name, is_temp, TRUE, !is_temp); + } else { /* It is a normal database startup: create the space object and check that the .ibd file exists. */ @@ -894,31 +914,6 @@ err_exit: (ulong) flags); goto err_exit; } - - if (fil_space_for_table_exists_in_mem(space, name, FALSE, - FALSE, FALSE)) { - /* Ok; (if we did a crash recovery then the tablespace - can already be in the memory cache) */ - } else { - /* In >= 4.1.9, InnoDB scans the data dictionary also - at a normal mysqld startup. It is an error if the - space object does not exist in memory. */ - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: error: space object of table %s,\n" - "InnoDB: space id %lu did not exist in memory." - " Retrying an open.\n", - name, (ulong)space); - /* Try to open the tablespace */ - if (!fil_open_single_table_tablespace( - TRUE, space, flags, name)) { - /* We failed to find a sensible tablespace - file */ - - ibd_file_missing = TRUE; - } - } } else { flags = 0; } @@ -928,9 +923,63 @@ err_exit: field = rec_get_nth_field_old(rec, 4, &len); n_cols = mach_read_from_4(field); - /* The high-order bit of N_COLS is the "compact format" flag. */ + /* The high-order bit of N_COLS is the "compact format" flag. + For tables in that format, MIX_LEN may hold additional flags. */ if (n_cols & 0x80000000UL) { + ulint flags2; + flags |= DICT_TF_COMPACT; + + ut_a(name_of_col_is(sys_tables, sys_index, 7, "MIX_LEN")); + field = rec_get_nth_field_old(rec, 7, &len); + + flags2 = mach_read_from_4(field); + + if (flags2 & (~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT))) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown flags %lx.\n", + (ulong) flags2); + + flags2 &= ~(~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT)); + } + + flags |= flags2 << DICT_TF2_SHIFT; + } + + /* See if the tablespace is available. */ + if (space == 0) { + /* The system tablespace is always available. */ + } else if (!fil_space_for_table_exists_in_mem( + space, name, + (flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY, + FALSE, FALSE)) { + + if ((flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY) { + /* Do not bother to retry opening temporary tables. */ + ibd_file_missing = TRUE; + } else { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: error: space object of table"); + ut_print_filename(stderr, name); + fprintf(stderr, ",\n" + "InnoDB: space id %lu did not exist in memory." + " Retrying an open.\n", + (ulong) space); + /* Try to open the tablespace */ + if (!fil_open_single_table_tablespace( + TRUE, space, + flags & ~(~0 << DICT_TF_BITS), name)) { + /* We failed to find a sensible + tablespace file */ + + ibd_file_missing = TRUE; + } + } } table = dict_mem_table_create(name, space, n_cols & ~0x80000000UL, diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 6458cbab92d..66b4b43f296 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -59,7 +59,7 @@ dict_mem_table_create( mem_heap_t* heap; ut_ad(name); - ut_a(!(flags & (~0 << DICT_TF_BITS))); + ut_a(!(flags & (~0 << DICT_TF2_BITS))); heap = mem_heap_create(DICT_HEAP_SIZE); diff --git a/fil/fil0fil.c b/fil/fil0fil.c index ce7638de668..b071c87c8ea 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -1101,6 +1101,7 @@ fil_space_create( ROW_FORMAT=REDUNDANT (table->flags == 0). For any other format, the tablespace flags should equal table->flags. */ ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); try_again: /*printf( @@ -2586,6 +2587,7 @@ fil_create_new_single_table_tablespace( ROW_FORMAT=REDUNDANT (table->flags == 0). For any other format, the tablespace flags should equal table->flags. */ ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); path = fil_make_ibd_name(tablename, is_temp); @@ -2958,8 +2960,10 @@ fil_open_single_table_tablespace( /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal table->flags. */ + format, the tablespace flags should be equal to + table->flags & ~(~0 << DICT_TF_BITS). */ ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); file = os_file_create_simple_no_error_handling( filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); @@ -3011,7 +3015,8 @@ fil_open_single_table_tablespace( ut_free(buf2); - if (UNIV_UNLIKELY(space_id != id || space_flags != flags)) { + if (UNIV_UNLIKELY(space_id != id + || space_flags != (flags & ~(~0 << DICT_TF_BITS)))) { ut_print_timestamp(stderr); fputs(" InnoDB: Error: tablespace id and flags in file ", @@ -4784,8 +4789,10 @@ void fil_close(void) /*===========*/ { +#ifndef UNIV_HOTBACKUP /* The mutex should already have been freed. */ ut_ad(fil_system->mutex.magic_n == 0); +#endif /* !UNIV_HOTBACKUP */ hash_table_free(fil_system->spaces); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 3cc4318fc06..9b53e5585be 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -386,11 +386,11 @@ UNIV_INLINE ibool xdes_get_bit( /*=========*/ - xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset, /*!< in: page offset within extent: - 0 ... FSP_EXTENT_SIZE - 1 */ - mtr_t* mtr) /*!< in: mtr */ + const xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ulint offset, /*!< in: page offset within extent: + 0 ... FSP_EXTENT_SIZE - 1 */ + mtr_t* mtr) /*!< in: mtr */ { ulint index; ulint byte_index; @@ -527,8 +527,8 @@ UNIV_INLINE ulint xdes_get_n_used( /*============*/ - xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { ulint i; ulint count = 0; @@ -551,8 +551,8 @@ UNIV_INLINE ibool xdes_is_free( /*=========*/ - xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { if (0 == xdes_get_n_used(descr, mtr)) { @@ -569,8 +569,8 @@ UNIV_INLINE ibool xdes_is_full( /*=========*/ - xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ { if (FSP_EXTENT_SIZE == xdes_get_n_used(descr, mtr)) { @@ -586,7 +586,7 @@ UNIV_INLINE void xdes_set_state( /*===========*/ - xdes_t* descr, /*!< in: descriptor */ + xdes_t* descr, /*!< in/out: descriptor */ ulint state, /*!< in: state to set */ mtr_t* mtr) /*!< in: mtr handle */ { @@ -605,8 +605,8 @@ UNIV_INLINE ulint xdes_get_state( /*===========*/ - xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr handle */ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr handle */ { ulint state; @@ -705,7 +705,7 @@ UNIV_INLINE xdes_t* xdes_get_descriptor_with_space_hdr( /*===============================*/ - fsp_header_t* sp_header,/*!< in: space header, x-latched */ + fsp_header_t* sp_header,/*!< in/out: space header, x-latched */ ulint space, /*!< in: space id */ ulint offset, /*!< in: page offset; if equal to the free limit, @@ -1342,7 +1342,7 @@ fsp_fill_free_list( descriptor page and ibuf bitmap page; then we do not allocate more extents */ ulint space, /*!< in: space */ - fsp_header_t* header, /*!< in: space header */ + fsp_header_t* header, /*!< in/out: space header */ mtr_t* mtr) /*!< in: mtr */ { ulint limit; diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 2f61394b252..5509d0381d3 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -110,9 +110,6 @@ extern "C" { # ifndef MYSQL_PLUGIN_IMPORT # define MYSQL_PLUGIN_IMPORT /* nothing */ # endif /* MYSQL_PLUGIN_IMPORT */ -/* This is needed because of Bug #3596. Let us hope that pthread_mutex_t -is defined the same in both builds: the MySQL server and the InnoDB plugin. */ -extern MYSQL_PLUGIN_IMPORT pthread_mutex_t LOCK_thread_count; #if MYSQL_VERSION_ID < 50124 /* this is defined in mysql_priv.h inside #ifdef MYSQL_SERVER @@ -273,10 +270,10 @@ innobase_file_format_check_on_off( /************************************************************//** Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. -@return true if valid config value */ +@return the format_id if valid config value, otherwise, return -1 */ static -bool -innobase_file_format_check_validate( +int +innobase_file_format_validate_and_set( /*================================*/ const char* format_check); /*!< in: parameter value */ /****************************************************************//** @@ -789,11 +786,20 @@ convert_error_code_to_mysql( case DB_SUCCESS: return(0); + case DB_INTERRUPTED: + my_error(ER_QUERY_INTERRUPTED, MYF(0)); + /* fall through */ case DB_ERROR: default: return(-1); /* unspecified error */ case DB_DUPLICATE_KEY: + /* Be cautious with returning this error, since + mysql could re-enter the storage layer to get + duplicated key info, the operation requires a + valid table handle and/or transaction information, + which might not always be available in the error + handling stage. */ return(HA_ERR_FOUND_DUPP_KEY); case DB_FOREIGN_DUPLICATE_KEY: @@ -893,36 +899,6 @@ convert_error_code_to_mysql( } } -/*************************************************************//** -If you want to print a thd that is not associated with the current thread, -you must call this function before reserving the InnoDB kernel_mutex, to -protect MySQL from setting thd->query NULL. If you print a thd of the current -thread, we know that MySQL cannot modify thd->query, and it is not necessary -to call this. Call innobase_mysql_end_print_arbitrary_thd() after you release -the kernel_mutex. */ -extern "C" UNIV_INTERN -void -innobase_mysql_prepare_print_arbitrary_thd(void) -/*============================================*/ -{ - ut_ad(!mutex_own(&kernel_mutex)); - VOID(pthread_mutex_lock(&LOCK_thread_count)); -} - -/*************************************************************//** -Releases the mutex reserved by innobase_mysql_prepare_print_arbitrary_thd(). -In the InnoDB latching order, the mutex sits right above the -kernel_mutex. In debug builds, we assert that the kernel_mutex is -released before this function is invoked. */ -extern "C" UNIV_INTERN -void -innobase_mysql_end_print_arbitrary_thd(void) -/*========================================*/ -{ - ut_ad(!mutex_own(&kernel_mutex)); - VOID(pthread_mutex_unlock(&LOCK_thread_count)); -} - /*************************************************************//** Prints info of a THD object (== user session thread) to the given file. */ extern "C" UNIV_INTERN @@ -1711,15 +1687,19 @@ innobase_convert_identifier( FALSE=id is an UTF-8 string */ { char nz[NAME_LEN + 1]; +#if MYSQL_VERSION_ID >= 50141 + char nz2[NAME_LEN + 1 + EXPLAIN_FILENAME_MAX_EXTRA_LENGTH]; +#else /* MYSQL_VERSION_ID >= 50141 */ char nz2[NAME_LEN + 1 + sizeof srv_mysql50_table_name_prefix]; +#endif /* MYSQL_VERSION_ID >= 50141 */ const char* s = id; int q; if (file_id) { - /* Decode the table name. The filename_to_tablename() - function expects a NUL-terminated string. The input and - output strings buffers must not be shared. */ + /* Decode the table name. The MySQL function expects + a NUL-terminated string. The input and output strings + buffers must not be shared. */ if (UNIV_UNLIKELY(idlen > (sizeof nz) - 1)) { idlen = (sizeof nz) - 1; @@ -1729,7 +1709,13 @@ innobase_convert_identifier( nz[idlen] = 0; s = nz2; +#if MYSQL_VERSION_ID >= 50141 + idlen = explain_filename((THD*) thd, nz, nz2, sizeof nz2, + EXPLAIN_PARTITIONS_AS_COMMENT); + goto no_quote; +#else /* MYSQL_VERSION_ID >= 50141 */ idlen = filename_to_tablename(nz, nz2, sizeof nz2); +#endif /* MYSQL_VERSION_ID >= 50141 */ } /* See if the identifier needs to be quoted. */ @@ -1740,6 +1726,9 @@ innobase_convert_identifier( } if (q == EOF) { +#if MYSQL_VERSION_ID >= 50141 +no_quote: +#endif /* MYSQL_VERSION_ID >= 50141 */ if (UNIV_UNLIKELY(idlen > buflen)) { idlen = buflen; } @@ -2137,8 +2126,8 @@ mem_free_and_error: /* Did the user specify a format name that we support ? As a side effect it will update the variable srv_check_file_format_at_startup */ - if (!innobase_file_format_check_validate( - innobase_file_format_check)) { + if (innobase_file_format_validate_and_set( + innobase_file_format_check) < 0) { sql_print_error("InnoDB: invalid " "innodb_file_format_check value: " @@ -4478,24 +4467,29 @@ no_commit: update the table upper limit. Note: last_value will be 0 if get_auto_increment() was not called.*/ - if (auto_inc <= col_max_value - && auto_inc >= prebuilt->autoinc_last_value) { + if (auto_inc >= prebuilt->autoinc_last_value) { set_max_autoinc: - ut_a(prebuilt->autoinc_increment > 0); + /* This should filter out the negative + values set explicitly by the user. */ + if (auto_inc <= col_max_value) { + ut_a(prebuilt->autoinc_increment > 0); - ulonglong need; - ulonglong offset; + ulonglong need; + ulonglong offset; - offset = prebuilt->autoinc_offset; - need = prebuilt->autoinc_increment; + offset = prebuilt->autoinc_offset; + need = prebuilt->autoinc_increment; - auto_inc = innobase_next_autoinc( - auto_inc, need, offset, col_max_value); + auto_inc = innobase_next_autoinc( + auto_inc, + need, offset, col_max_value); - err = innobase_set_max_autoinc(auto_inc); + err = innobase_set_max_autoinc( + auto_inc); - if (err != DB_SUCCESS) { - error = err; + if (err != DB_SUCCESS) { + error = err; + } } } break; @@ -5229,8 +5223,10 @@ ha_innobase::change_active_index( prebuilt->index); if (UNIV_UNLIKELY(!prebuilt->index_usable)) { - sql_print_warning("InnoDB: insufficient history for index %u", - keynr); + push_warning_printf(user_thd, MYSQL_ERROR::WARN_LEVEL_WARN, + HA_ERR_TABLE_DEF_CHANGED, + "InnoDB: insufficient history for index %u", + keynr); /* The caller seems to ignore this. Thus, we must check this again in row_search_for_mysql(). */ DBUG_RETURN(2); @@ -5717,17 +5713,8 @@ create_table_def( /* First check whether the column to be added has a system reserved name. */ if (dict_col_name_is_reserved(field->field_name)){ - push_warning_printf( - (THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_CANT_CREATE_TABLE, - "Error creating table '%s' with " - "column name '%s'. '%s' is a " - "reserved name. Please try to " - "re-create the table with a " - "different column name.", - table->name, (char*) field->field_name, - (char*) field->field_name); + my_error(ER_WRONG_COLUMN_NAME, MYF(0), + field->field_name); dict_mem_table_free(table); trx_commit_for_mysql(trx); @@ -5749,6 +5736,14 @@ create_table_def( error = row_create_table_for_mysql(table, trx); + if (error == DB_DUPLICATE_KEY) { + char buf[100]; + innobase_convert_identifier(buf, sizeof buf, + table_name, strlen(table_name), + trx->mysql_thd, TRUE); + my_error(ER_TABLE_EXISTS_ERROR, MYF(0), buf); + } + error_ret: error = convert_error_code_to_mysql(error, flags, NULL); @@ -6347,6 +6342,10 @@ ha_innobase::create( goto cleanup; } + if (create_info->options & HA_LEX_CREATE_TMP_TABLE) { + flags |= DICT_TF2_TEMPORARY << DICT_TF2_SHIFT; + } + error = create_table_def(trx, form, norm_name, create_info->options & HA_LEX_CREATE_TMP_TABLE ? name2 : NULL, flags); @@ -6802,6 +6801,24 @@ ha_innobase::rename_table( innobase_commit_low(trx); trx_free_for_mysql(trx); + /* Add a special case to handle the Duplicated Key error + and return DB_ERROR instead. + This is to avoid a possible SIGSEGV error from mysql error + handling code. Currently, mysql handles the Duplicated Key + error by re-entering the storage layer and getting dup key + info by calling get_dup_key(). This operation requires a valid + table handle ('row_prebuilt_t' structure) which could no + longer be available in the error handling stage. The suggested + solution is to report a 'table exists' error message (since + the dup key error here is due to an existing table whose name + is the one we are trying to rename to) and return the generic + error code. */ + if (error == (int) DB_DUPLICATE_KEY) { + my_error(ER_TABLE_EXISTS_ERROR, MYF(0), to); + + error = DB_ERROR; + } + error = convert_error_code_to_mysql(error, 0, NULL); DBUG_RETURN(error); @@ -7352,11 +7369,15 @@ ha_innobase::check( ret = row_check_table_for_mysql(prebuilt); - if (ret == DB_SUCCESS) { + switch (ret) { + case DB_SUCCESS: return(HA_ADMIN_OK); + case DB_INTERRUPTED: + my_error(ER_QUERY_INTERRUPTED, MYF(0)); + return(-1); + default: + return(HA_ADMIN_CORRUPT); } - - return(HA_ADMIN_CORRUPT); } /*************************************************************//** @@ -7901,8 +7922,12 @@ ha_innobase::external_lock( { ulong const binlog_format= thd_binlog_format(thd); ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED && - binlog_format == BINLOG_FORMAT_STMT) + if (tx_isolation <= ISO_READ_COMMITTED + && binlog_format == BINLOG_FORMAT_STMT +#if MYSQL_VERSION_ID > 50140 + && thd_binlog_filter_ok(thd) +#endif /* MYSQL_VERSION_ID > 50140 */ + ) { char buf[256]; my_snprintf(buf, sizeof(buf), @@ -8175,8 +8200,8 @@ innodb_show_status( mutex_enter(&srv_monitor_file_mutex); rewind(srv_monitor_file); - srv_printf_innodb_monitor(srv_monitor_file, - &trx_list_start, &trx_list_end); + srv_printf_innodb_monitor(srv_monitor_file, FALSE, + &trx_list_start, &trx_list_end); flen = ftell(srv_monitor_file); os_file_set_eof(srv_monitor_file); @@ -9151,8 +9176,7 @@ innobase_xa_prepare( executing XA PREPARE and XA COMMIT commands. In this case we cannot know how many minutes or hours will be between XA PREPARE and XA COMMIT, and we don't want - to block for undefined period of time. - */ + to block for undefined period of time. */ pthread_mutex_lock(&prepare_commit_mutex); trx->active_trans = 2; } @@ -9494,25 +9518,24 @@ innobase_file_format_check_on_off( /************************************************************//** Validate the file format check config parameters, as a side effect it sets the srv_check_file_format_at_startup variable. -@return true if valid config value */ +@return the format_id if valid config value, otherwise, return -1 */ static -bool -innobase_file_format_check_validate( +int +innobase_file_format_validate_and_set( /*================================*/ const char* format_check) /*!< in: parameter value */ { uint format_id; - bool ret = true; format_id = innobase_file_format_name_lookup(format_check); if (format_id < DICT_TF_FORMAT_MAX + 1) { srv_check_file_format_at_startup = format_id; - } else { - ret = false; - } - return(ret); + return((int) format_id); + } else { + return(-1); + } } /*************************************************************//** @@ -9547,7 +9570,11 @@ innodb_file_format_name_validate( if (format_id <= DICT_TF_FORMAT_MAX) { - *static_cast(save) = file_format_input; + /* Save a pointer to the name in the + 'file_format_name_map' constant array. */ + *static_cast(save) = + trx_sys_file_format_id_to_name(format_id); + return(0); } } @@ -9610,6 +9637,7 @@ innodb_file_format_check_validate( const char* file_format_input; char buff[STRING_BUFFER_USUAL_SIZE]; int len = sizeof(buff); + int format_id; ut_a(save != NULL); ut_a(value != NULL); @@ -9622,24 +9650,35 @@ innodb_file_format_check_validate( message if they did so. */ if (innobase_file_format_check_on_off(file_format_input)) { - sql_print_warning( + push_warning_printf(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, "InnoDB: invalid innodb_file_format_check " "value; on/off can only be set at startup or " "in the configuration file"); - } else if (innobase_file_format_check_validate( - file_format_input)) { - - *static_cast(save) = file_format_input; - - return(0); - } else { - sql_print_warning( - "InnoDB: invalid innodb_file_format_check " - "value; can be any format up to %s " - "or its equivalent numeric id", - trx_sys_file_format_id_to_name( - DICT_TF_FORMAT_MAX)); + format_id = innobase_file_format_validate_and_set( + file_format_input); + + if (format_id >= 0) { + /* Save a pointer to the name in the + 'file_format_name_map' constant array. */ + *static_cast(save) = + trx_sys_file_format_id_to_name( + (uint)format_id); + + return(0); + + } else { + push_warning_printf(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, + "InnoDB: invalid innodb_file_format_check " + "value; can be any format up to %s " + "or its equivalent numeric id", + trx_sys_file_format_id_to_name( + DICT_TF_FORMAT_MAX)); + } } } @@ -9909,12 +9948,15 @@ static MYSQL_SYSVAR_STR(file_format, innobase_file_format_name, innodb_file_format_name_validate, innodb_file_format_name_update, "Antelope"); +/* If a new file format is introduced, the file format +name needs to be updated accordingly. Please refer to +file_format_name_map[] defined in trx0sys.c for the next +file format name. */ static MYSQL_SYSVAR_STR(file_format_check, innobase_file_format_check, PLUGIN_VAR_OPCMDARG, "The highest file format in the tablespace.", innodb_file_format_check_validate, - innodb_file_format_check_update, - "on"); + innodb_file_format_check_update, "Barracuda"); static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, PLUGIN_VAR_OPCMDARG, diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 498af50217d..31e88ed8530 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -257,6 +257,15 @@ int thd_binlog_format(const MYSQL_THD thd); @param all TRUE <=> rollback main transaction. */ void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all); + +#if MYSQL_VERSION_ID > 50140 +/** + Check if binary logging is filtered for thread's current db. + @param thd Thread handle + @retval 1 the query is not filtered, 0 otherwise. +*/ +bool thd_binlog_filter_ok(const MYSQL_THD thd); +#endif /* MYSQL_VERSION_ID > 50140 */ } typedef struct trx_struct trx_t; diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 37aed06b28a..a5008991400 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -765,10 +765,11 @@ err_exit: ut_ad(error == DB_SUCCESS); /* Commit the data dictionary transaction in order to release - the table locks on the system tables. Unfortunately, this - means that if MySQL crashes while creating a new primary key - inside row_merge_build_indexes(), indexed_table will not be - dropped on crash recovery. Thus, it will become orphaned. */ + the table locks on the system tables. This means that if + MySQL crashes while creating a new primary key inside + row_merge_build_indexes(), indexed_table will not be dropped + by trx_rollback_active(). It will have to be recovered or + dropped by the database administrator. */ trx_commit_for_mysql(trx); row_mysql_unlock_data_dictionary(trx); @@ -882,7 +883,9 @@ error: /* fall through */ default: if (new_primary) { - row_merge_drop_table(trx, indexed_table); + if (indexed_table != innodb_table) { + row_merge_drop_table(trx, indexed_table); + } } else { if (!dict_locked) { row_mysql_lock_data_dictionary(trx); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index b44484fe48a..c47ab3e2909 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -777,24 +777,41 @@ page containing the descriptor bits for the file page; the bitmap page is x-latched */ static page_t* -ibuf_bitmap_get_map_page( -/*=====================*/ - ulint space, /*!< in: space id of the file page */ - ulint page_no,/*!< in: page number of the file page */ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr */ +ibuf_bitmap_get_map_page_func( +/*==========================*/ + ulint space, /*!< in: space id of the file page */ + ulint page_no,/*!< in: page number of the file page */ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ { buf_block_t* block; - block = buf_page_get(space, zip_size, - ibuf_bitmap_page_no_calc(zip_size, page_no), - RW_X_LATCH, mtr); + block = buf_page_get_gen(space, zip_size, + ibuf_bitmap_page_no_calc(zip_size, page_no), + RW_X_LATCH, NULL, BUF_GET, + file, line, mtr); buf_block_dbg_add_level(block, SYNC_IBUF_BITMAP); return(buf_block_get_frame(block)); } +/********************************************************************//** +Gets the ibuf bitmap page where the bits describing a given file page are +stored. +@return bitmap page where the file page is mapped, that is, the bitmap +page containing the descriptor bits for the file page; the bitmap page +is x-latched +@param space in: space id of the file page +@param page_no in: page number of the file page +@param zip_size in: compressed page size in bytes; 0 for uncompressed pages +@param mtr in: mini-transaction */ +#define ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr) \ + ibuf_bitmap_get_map_page_func(space, page_no, zip_size, \ + __FILE__, __LINE__, mtr) + /************************************************************************//** Sets the free bits of the page in the ibuf bitmap. This is done in a separate mini-transaction, hence this operation does not restrict further work to only diff --git a/include/db0err.h b/include/db0err.h index 23898583b72..747e9b5364e 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -32,6 +32,7 @@ enum db_err { /* The following are error codes */ DB_ERROR, + DB_INTERRUPTED, DB_OUT_OF_MEMORY, DB_OUT_OF_FILE_SPACE, DB_LOCK_WAIT, diff --git a/include/dict0mem.h b/include/dict0mem.h index 2d001111938..9996fb59a75 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -80,21 +80,39 @@ combination of types */ /** File format */ /* @{ */ #define DICT_TF_FORMAT_SHIFT 5 /* file format */ -#define DICT_TF_FORMAT_MASK (127 << DICT_TF_FORMAT_SHIFT) +#define DICT_TF_FORMAT_MASK \ +((~(~0 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT) #define DICT_TF_FORMAT_51 0 /*!< InnoDB/MySQL up to 5.1 */ #define DICT_TF_FORMAT_ZIP 1 /*!< InnoDB plugin for 5.1: compressed tables, new BLOB treatment */ /** Maximum supported file format */ #define DICT_TF_FORMAT_MAX DICT_TF_FORMAT_ZIP - +/* @} */ #define DICT_TF_BITS 6 /*!< number of flag bits */ #if (1 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT)) <= DICT_TF_FORMAT_MAX # error "DICT_TF_BITS is insufficient for DICT_TF_FORMAT_MAX" #endif /* @} */ + +/** @brief Additional table flags. + +These flags will be stored in SYS_TABLES.MIX_LEN. All unused flags +will be written as 0. The column may contain garbage for tables +created with old versions of InnoDB that only implemented +ROW_FORMAT=REDUNDANT. */ +/* @{ */ +#define DICT_TF2_SHIFT DICT_TF_BITS + /*!< Shift value for + table->flags. */ +#define DICT_TF2_TEMPORARY 1 /*!< TRUE for tables from + CREATE TEMPORARY TABLE. */ +#define DICT_TF2_BITS (DICT_TF2_SHIFT + 1) + /*!< Total number of bits + in table->flags. */ /* @} */ + /**********************************************************************//** Creates a table memory object. @return own: table object */ @@ -374,7 +392,7 @@ struct dict_table_struct{ unsigned space:32; /*!< space where the clustered index of the table is placed */ - unsigned flags:DICT_TF_BITS;/*!< DICT_TF_COMPACT, ... */ + unsigned flags:DICT_TF2_BITS;/*!< DICT_TF_COMPACT, ... */ unsigned ibd_file_missing:1; /*!< TRUE if this is in a single-table tablespace and the .ibd file is missing; then diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index e8789d1638b..b737a00b3dc 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -153,28 +153,6 @@ get_innobase_type_from_mysql_type( const void* field) /*!< in: MySQL Field */ __attribute__((nonnull)); -/*************************************************************//** -If you want to print a thd that is not associated with the current thread, -you must call this function before reserving the InnoDB kernel_mutex, to -protect MySQL from setting thd->query NULL. If you print a thd of the current -thread, we know that MySQL cannot modify thd->query, and it is not necessary -to call this. Call innobase_mysql_end_print_arbitrary_thd() after you release -the kernel_mutex. */ -UNIV_INTERN -void -innobase_mysql_prepare_print_arbitrary_thd(void); -/*============================================*/ - -/*************************************************************//** -Releases the mutex reserved by innobase_mysql_prepare_print_arbitrary_thd(). -In the InnoDB latching order, the mutex sits right above the -kernel_mutex. In debug builds, we assert that the kernel_mutex is -released before this function is invoked. */ -UNIV_INTERN -void -innobase_mysql_end_print_arbitrary_thd(void); -/*========================================*/ - /******************************************************************//** Get the variable length bounds of the given character set. */ UNIV_INTERN diff --git a/include/lock0lock.h b/include/lock0lock.h index 82e4c9bd976..7d76cbe3c75 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -613,13 +613,16 @@ lock_rec_print( FILE* file, /*!< in: file where to print */ const lock_t* lock); /*!< in: record type lock */ /*********************************************************************//** -Prints info of locks for all transactions. */ +Prints info of locks for all transactions. +@return FALSE if not able to obtain kernel mutex +and exits without printing info */ UNIV_INTERN -void +ibool lock_print_info_summary( /*====================*/ - FILE* file); /*!< in: file where to print */ -/*********************************************************************//** + FILE* file, /*!< in: file where to print */ + ibool nowait);/*!< in: whether to wait for the kernel mutex */ +/************************************************************************* Prints info of locks for each transaction. */ UNIV_INTERN void diff --git a/include/log0recv.h b/include/log0recv.h index a3d2bd050f5..35576bb579d 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -258,12 +258,14 @@ void recv_sys_init( /*==========*/ ulint available_memory); /*!< in: available memory in bytes */ +#ifndef UNIV_HOTBACKUP /********************************************************//** Reset the state of the recovery system variables. */ UNIV_INTERN void recv_sys_var_init(void); /*===================*/ +#endif /* !UNIV_HOTBACKUP */ /*******************************************************************//** Empties the hash table of stored log records, applying them to appropriate pages. */ diff --git a/include/os0file.h b/include/os0file.h index d0da3046950..f76a1d196c6 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -153,6 +153,7 @@ log. */ #define OS_FILE_ERROR_NOT_SPECIFIED 77 #define OS_FILE_INSUFFICIENT_RESOURCE 78 #define OS_FILE_AIO_INTERRUPTED 79 +#define OS_FILE_OPERATION_ABORTED 80 /* @} */ /** Types for aio operations @{ */ diff --git a/include/srv0srv.h b/include/srv0srv.h index e0cbc32113e..5b4295dcead 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -232,7 +232,8 @@ extern ibool srv_print_innodb_tablespace_monitor; extern ibool srv_print_verbose_log; extern ibool srv_print_innodb_table_monitor; -extern ibool srv_lock_timeout_and_monitor_active; +extern ibool srv_lock_timeout_active; +extern ibool srv_monitor_active; extern ibool srv_error_monitor_active; extern ulong srv_n_spin_wait_rounds; @@ -545,15 +546,23 @@ srv_release_mysql_thread_if_suspended( MySQL OS thread */ /*********************************************************************//** A thread which wakes up threads whose lock wait may have lasted too long. -This also prints the info output by various InnoDB monitors. @return a dummy parameter */ UNIV_INTERN os_thread_ret_t -srv_lock_timeout_and_monitor_thread( -/*================================*/ +srv_lock_timeout_thread( +/*====================*/ void* arg); /*!< in: a dummy parameter required by os_thread_create */ /*********************************************************************//** +A thread which prints the info output by various InnoDB monitors. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_monitor_thread( +/*===============*/ + void* arg); /*!< in: a dummy parameter required by + os_thread_create */ +/************************************************************************* A thread which prints warnings about semaphore waits which have lasted too long. These can be used to track bugs which cause hangs. @return a dummy parameter */ @@ -564,12 +573,15 @@ srv_error_monitor_thread( void* arg); /*!< in: a dummy parameter required by os_thread_create */ /******************************************************************//** -Outputs to a file the output of the InnoDB Monitor. */ +Outputs to a file the output of the InnoDB Monitor. +@return FALSE if not all information printed +due to failure to obtain necessary mutex */ UNIV_INTERN -void +ibool srv_printf_innodb_monitor( /*======================*/ FILE* file, /*!< in: output stream */ + ibool nowait, /*!< in: whether to wait for kernel mutex */ ulint* trx_start, /*!< out: file position of the start of the list of active transactions */ ulint* trx_end); /*!< out: file position of the end of diff --git a/include/trx0sys.h b/include/trx0sys.h index a53296a06d9..cbb89689748 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -333,12 +333,14 @@ UNIV_INTERN void trx_sys_file_format_tag_init(void); /*==============================*/ +#ifndef UNIV_HOTBACKUP /*****************************************************************//** Shutdown/Close the transaction system. */ UNIV_INTERN void trx_sys_close(void); /*===============*/ +#endif /* !UNIV_HOTBACKUP */ /*****************************************************************//** Get the name representation of the file format from its id. @return pointer to the name */ @@ -495,7 +497,6 @@ this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ within that file */ #define TRX_SYS_MYSQL_LOG_NAME 12 /*!< MySQL log file name */ -#ifndef UNIV_HOTBACKUP /** Doublewrite buffer */ /* @{ */ /** The offset of the doublewrite buffer header on the trx system header page */ @@ -547,6 +548,7 @@ FIL_PAGE_ARCH_LOG_NO_OR_SPACE_NO. */ #define TRX_SYS_DOUBLEWRITE_BLOCK_SIZE FSP_EXTENT_SIZE /* @} */ +#ifndef UNIV_HOTBACKUP /** File format tag */ /* @{ */ /** The offset of the file format tag on the trx system header page diff --git a/include/trx0trx.h b/include/trx0trx.h index d2a59740c93..5f2c1246f37 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -338,9 +338,7 @@ trx_commit_step( /**********************************************************************//** Prints info about a transaction to the given file. The caller must own the -kernel mutex and must have called -innobase_mysql_prepare_print_arbitrary_thd(), unless he knows that MySQL -or InnoDB cannot meanwhile change the info printed here. */ +kernel mutex. */ UNIV_INTERN void trx_print( diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 736198dc346..3db7c2b36bc 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -4317,19 +4317,26 @@ lock_get_n_rec_locks(void) #endif /* PRINT_NUM_OF_LOCK_STRUCTS */ /*********************************************************************//** -Prints info of locks for all transactions. */ +Prints info of locks for all transactions. +@return FALSE if not able to obtain kernel mutex +and exits without printing info */ UNIV_INTERN -void +ibool lock_print_info_summary( /*====================*/ - FILE* file) /*!< in: file where to print */ + FILE* file, /*!< in: file where to print */ + ibool nowait) /*!< in: whether to wait for the kernel mutex */ { - /* We must protect the MySQL thd->query field with a MySQL mutex, and - because the MySQL mutex must be reserved before the kernel_mutex of - InnoDB, we call innobase_mysql_prepare_print_arbitrary_thd() here. */ - - innobase_mysql_prepare_print_arbitrary_thd(); - lock_mutex_enter_kernel(); + /* if nowait is FALSE, wait on the kernel mutex, + otherwise return immediately if fail to obtain the + mutex. */ + if (!nowait) { + lock_mutex_enter_kernel(); + } else if (mutex_enter_nowait(&kernel_mutex)) { + fputs("FAIL TO OBTAIN KERNEL MUTEX, " + "SKIP LOCK INFO PRINTING\n", file); + return(FALSE); + } if (lock_deadlock_found) { fputs("------------------------\n" @@ -4361,6 +4368,7 @@ lock_print_info_summary( "Total number of lock structs in row lock hash table %lu\n", (ulong) lock_get_n_rec_locks()); #endif /* PRINT_NUM_OF_LOCK_STRUCTS */ + return(TRUE); } /*********************************************************************//** @@ -4411,7 +4419,6 @@ loop: if (trx == NULL) { lock_mutex_exit_kernel(); - innobase_mysql_end_print_arbitrary_thd(); ut_ad(lock_validate()); @@ -4495,7 +4502,6 @@ loop: } lock_mutex_exit_kernel(); - innobase_mysql_end_print_arbitrary_thd(); mtr_start(&mtr); @@ -4506,7 +4512,6 @@ loop: load_page_first = FALSE; - innobase_mysql_prepare_print_arbitrary_thd(); lock_mutex_enter_kernel(); goto loop; @@ -4926,7 +4931,7 @@ lock_rec_insert_check_and_lock( } trx = thr_get_trx(thr); - next_rec = page_rec_get_next((rec_t*) rec); + next_rec = page_rec_get_next_const(rec); next_rec_heap_no = page_rec_get_heap_no(next_rec); lock_mutex_enter_kernel(); diff --git a/log/log0log.c b/log/log0log.c index d5b696074b3..86c9f9b4130 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -3095,7 +3095,7 @@ loop: if (srv_fast_shutdown < 2 && (srv_error_monitor_active - || srv_lock_timeout_and_monitor_active)) { + || srv_lock_timeout_active || srv_monitor_active)) { mutex_exit(&kernel_mutex); diff --git a/log/log0recv.c b/log/log0recv.c index 075417bd926..ecbd17611eb 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -241,6 +241,7 @@ recv_sys_mem_free(void) } } +#ifndef UNIV_HOTBACKUP /************************************************************ Reset the state of the recovery system variables. */ UNIV_INTERN @@ -280,6 +281,7 @@ recv_sys_var_init(void) recv_max_page_lsn = 0; } +#endif /* !UNIV_HOTBACKUP */ /************************************************************ Inits the recovery system for a recovery operation. */ @@ -2575,7 +2577,7 @@ recv_scan_log_recs( ut_ad(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); ut_ad(len % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_ad(len > 0); + ut_ad(len >= OS_FILE_LOG_BLOCK_SIZE); ut_a(store_to_hash <= TRUE); finished = FALSE; diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index abb8f3da072..fe87e11c9ec 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -1111,18 +1111,82 @@ c1 c2 3 innodb 4 NULL DROP TABLE t1; -CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on T1(c2); -SHOW CREATE TABLE T1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; Table Create Table -T1 CREATE TABLE `T1` ( +t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL AUTO_INCREMENT, `c2` int(11) DEFAULT NULL, PRIMARY KEY (`c1`), KEY `i1` (`c2`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -INSERT INTO T1 (c2) values (0); -SELECT * FROM T1; +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; c1 c2 10 0 -DROP TABLE T1; +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` double NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` float NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +c1 +-1 +1 +2 +INSERT INTO t1 SET c1 = -1; +Got one of the listed errors +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +c1 +-1 +1 +2 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index 558de6a1060..0630c2330a8 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -610,9 +610,46 @@ DROP TABLE t1; # 47125: auto_increment start value is ignored if an index is created # and engine=innodb # -CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on T1(c2); -SHOW CREATE TABLE T1; -INSERT INTO T1 (c2) values (0); -SELECT * FROM T1; -DROP TABLE T1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; +DROP TABLE t1; + +## +# 49032: Use the correct function to read the AUTOINC column value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; + +## +# 47720: REPLACE INTO Autoincrement column with negative values +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 SET c1 = -1; +SHOW CREATE TABLE t1; +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-consistent-master.opt b/mysql-test/innodb-consistent-master.opt index 8cca44767da..cb48f1aaf60 100644 --- a/mysql-test/innodb-consistent-master.opt +++ b/mysql-test/innodb-consistent-master.opt @@ -1 +1 @@ ---innodb_lock_wait_timeout=2 +--loose-innodb_lock_wait_timeout=2 diff --git a/mysql-test/innodb-consistent.test b/mysql-test/innodb-consistent.test index 791600fc8a7..5a7f4dc392d 100644 --- a/mysql-test/innodb-consistent.test +++ b/mysql-test/innodb-consistent.test @@ -1,58 +1,58 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do -# a consistent read of the source table. - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; - -# REPLACE INTO ... SELECT case -begin; -# this should not result in any locks on t2. -replace into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cuase a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -# INSERT INTO ... SELECT case -begin; -# this should not result in any locks on t2. -insert into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cuase a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -select * from t1; -drop table t1; -drop table t2; - -connection default; -disconnect a; -disconnect b; +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do +# a consistent read of the source table. + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; + +# REPLACE INTO ... SELECT case +begin; +# this should not result in any locks on t2. +replace into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cuase a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +# INSERT INTO ... SELECT case +begin; +# this should not result in any locks on t2. +insert into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cuase a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +select * from t1; +drop table t1; +drop table t2; + +connection default; +disconnect a; +disconnect b; diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 0d2e5ca8205..3f7c708f011 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -961,6 +961,7 @@ create index t1u on t1 (u(1)); drop table t1; set global innodb_file_per_table=0; set global innodb_file_format=Antelope; +set global innodb_file_format_check=Antelope; SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; CREATE TABLE t1( diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index cc71f0c78c2..5b229f83bce 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -1,5 +1,7 @@ -- source include/have_innodb.inc +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; + create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); commit; @@ -388,6 +390,7 @@ create index t1u on t1 (u(1)); drop table t1; eval set global innodb_file_per_table=$per_table; eval set global innodb_file_format=$format; +eval set global innodb_file_format_check=$format; # # Test to check whether CREATE INDEX handles implicit foreign key @@ -522,3 +525,10 @@ disconnect a; disconnect b; DROP TABLE t1; + +# +# restore environment to the state it was before this test execution +# + +-- disable_query_log +eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/innodb-master.opt b/mysql-test/innodb-master.opt index 4901efb416c..72c88068345 100644 --- a/mysql-test/innodb-master.opt +++ b/mysql-test/innodb-master.opt @@ -1 +1 @@ ---binlog_cache_size=32768 --innodb_lock_wait_timeout=1 +--binlog_cache_size=32768 --loose_innodb_lock_wait_timeout=1 diff --git a/mysql-test/innodb-semi-consistent-master.opt b/mysql-test/innodb-semi-consistent-master.opt index e76299453d3..cb48f1aaf60 100644 --- a/mysql-test/innodb-semi-consistent-master.opt +++ b/mysql-test/innodb-semi-consistent-master.opt @@ -1 +1 @@ ---innodb_lock_wait_timeout=2 +--loose-innodb_lock_wait_timeout=2 diff --git a/mysql-test/innodb-use-sys-malloc-master.opt b/mysql-test/innodb-use-sys-malloc-master.opt index 889834add01..fc8582b5887 100644 --- a/mysql-test/innodb-use-sys-malloc-master.opt +++ b/mysql-test/innodb-use-sys-malloc-master.opt @@ -1,2 +1 @@ ---innodb-use-sys-malloc=true ---innodb-use-sys-malloc=true +--loose-innodb-use-sys-malloc=true diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index bdae7633fd1..b9cf5b4a08e 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -3088,7 +3088,7 @@ ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; drop table t1, t2, t3, t5, t6, t8, t9; CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; -ERROR HY000: Can't create table 'test.t1' (errno: -1) +ERROR 42000: Incorrect column name 'DB_ROW_ID' CREATE TABLE t1 ( a BIGINT(20) NOT NULL, PRIMARY KEY (a) diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index f46a3a70b56..fe588316535 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -2264,7 +2264,7 @@ disconnect j; drop table t1, t2, t3, t5, t6, t8, t9; # bug 18934, "InnoDB crashes when table uses column names like DB_ROW_ID" ---error 1005 +--error ER_WRONG_COLUMN_NAME CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; # diff --git a/mysql-test/innodb_bug42101-nonzero-master.opt b/mysql-test/innodb_bug42101-nonzero-master.opt index d71dbe17d5b..455d66a06b8 100644 --- a/mysql-test/innodb_bug42101-nonzero-master.opt +++ b/mysql-test/innodb_bug42101-nonzero-master.opt @@ -1 +1 @@ ---innodb_commit_concurrency=1 +--loose_innodb_commit_concurrency=1 diff --git a/mysql-test/innodb_bug44369.result b/mysql-test/innodb_bug44369.result index 9cf79aeffab..ff25c774aa2 100644 --- a/mysql-test/innodb_bug44369.result +++ b/mysql-test/innodb_bug44369.result @@ -1,14 +1,6 @@ create table bug44369 (DB_ROW_ID int) engine=innodb; -ERROR HY000: Can't create table 'test.bug44369' (errno: -1) +ERROR 42000: Incorrect column name 'DB_ROW_ID' create table bug44369 (db_row_id int) engine=innodb; -ERROR HY000: Can't create table 'test.bug44369' (errno: -1) -show warnings; -Level Code Message -Warning 1005 Error creating table 'test/bug44369' with column name 'db_row_id'. 'db_row_id' is a reserved name. Please try to re-create the table with a different column name. -Error 1005 Can't create table 'test.bug44369' (errno: -1) +ERROR 42000: Incorrect column name 'db_row_id' create table bug44369 (db_TRX_Id int) engine=innodb; -ERROR HY000: Can't create table 'test.bug44369' (errno: -1) -show warnings; -Level Code Message -Warning 1005 Error creating table 'test/bug44369' with column name 'db_TRX_Id'. 'db_TRX_Id' is a reserved name. Please try to re-create the table with a different column name. -Error 1005 Can't create table 'test.bug44369' (errno: -1) +ERROR 42000: Incorrect column name 'db_TRX_Id' diff --git a/mysql-test/innodb_bug44369.test b/mysql-test/innodb_bug44369.test index 238dc3d8fb1..f5d85cd5815 100644 --- a/mysql-test/innodb_bug44369.test +++ b/mysql-test/innodb_bug44369.test @@ -6,16 +6,12 @@ --source include/have_innodb.inc # This create table operation should fail. ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_COLUMN_NAME create table bug44369 (DB_ROW_ID int) engine=innodb; # This create should fail as well ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_COLUMN_NAME create table bug44369 (db_row_id int) engine=innodb; -show warnings; - ---error ER_CANT_CREATE_TABLE +--error ER_WRONG_COLUMN_NAME create table bug44369 (db_TRX_Id int) engine=innodb; - -show warnings; diff --git a/mysql-test/innodb_file_format.result b/mysql-test/innodb_file_format.result index 8e9a317308b..86d60706084 100644 --- a/mysql-test/innodb_file_format.result +++ b/mysql-test/innodb_file_format.result @@ -30,8 +30,6 @@ select @@innodb_file_format_check; @@innodb_file_format_check Barracuda set global innodb_file_format_check=default; -Warnings: -Warning 1210 Ignoring SET innodb_file_format=on select @@innodb_file_format_check; @@innodb_file_format_check Barracuda diff --git a/mysql-test/patches/innodb-index.diff b/mysql-test/patches/innodb-index.diff deleted file mode 100644 index 0b008c96f25..00000000000 --- a/mysql-test/patches/innodb-index.diff +++ /dev/null @@ -1,62 +0,0 @@ -This part of the innodb-index test causes mysqld to print some warnings -and subsequently the whole mysql-test suite to fail. - -A permanent solution is probably to remove the printouts from the source -code or to somehow tell the mysql-test suite that warnings are expected. -Currently we simply do not execute the problematic tests. Please -coordinate a permanent solution with Marko, who added those tests. - -This cannot be proposed to MySQL because it touches files that are not -in the MySQL source repository. - -Index: storage/innobase/mysql-test/innodb-index.result -=================================================================== ---- storage/innobase/mysql-test/innodb-index.result (revision 2870) -+++ storage/innobase/mysql-test/innodb-index.result (working copy) -@@ -43,19 +43,12 @@ t1 CREATE TABLE `t1` ( - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`), - KEY `b` (`b`) - ) ENGINE=InnoDB DEFAULT CHARSET=latin1 --CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; --alter table t1 add unique index (c), add index (d); --ERROR HY000: Table 'test.t1#1' already exists --rename table `t1#1` to `t1#2`; --alter table t1 add unique index (c), add index (d); --ERROR HY000: Table 'test.t1#2' already exists --drop table `t1#2`; - alter table t1 add unique index (c), add index (d); - show create table t1; - Table Create Table - t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, -Index: storage/innobase/mysql-test/innodb-index.test -=================================================================== ---- storage/innobase/mysql-test/innodb-index.test (revision 2870) -+++ storage/innobase/mysql-test/innodb-index.test (working copy) -@@ -14,22 +14,12 @@ select * from t1 force index (d2) order - --error ER_DUP_ENTRY - alter table t1 add unique index (b); - show create table t1; - alter table t1 add index (b); - show create table t1; - --# Check how existing tables interfere with temporary tables. --CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; -- ----error 156 --alter table t1 add unique index (c), add index (d); --rename table `t1#1` to `t1#2`; ----error 156 --alter table t1 add unique index (c), add index (d); --drop table `t1#2`; -- - alter table t1 add unique index (c), add index (d); - show create table t1; - explain select * from t1 force index(c) order by c; - alter table t1 add primary key (a), drop index c; - show create table t1; - --error ER_MULTIPLE_PRI_KEY diff --git a/os/os0file.c b/os/os0file.c index f8fa3d4b02a..dee52f572f2 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -404,6 +404,13 @@ os_file_get_last_error( "InnoDB: The error means that there are no" " sufficient system resources or quota to" " complete the operation.\n"); + } else if (err == ERROR_OPERATION_ABORTED) { + fprintf(stderr, + "InnoDB: The error means that the I/O" + " operation has been aborted\n" + "InnoDB: because of either a thread exit" + " or an application request.\n" + "InnoDB: Retry attempt is made.\n"); } else { fprintf(stderr, "InnoDB: Some operating system error numbers" @@ -428,6 +435,8 @@ os_file_get_last_error( } else if (err == ERROR_WORKING_SET_QUOTA || err == ERROR_NO_SYSTEM_RESOURCES) { return(OS_FILE_INSUFFICIENT_RESOURCE); + } else if (err == ERROR_OPERATION_ABORTED) { + return(OS_FILE_OPERATION_ABORTED); } else { return(100 + err); } @@ -563,6 +572,10 @@ os_file_handle_error_cond_exit( return(TRUE); } else if (err == OS_FILE_INSUFFICIENT_RESOURCE) { + os_thread_sleep(100000); /* 100 ms */ + return(TRUE); + } else if (err == OS_FILE_OPERATION_ABORTED) { + os_thread_sleep(100000); /* 100 ms */ return(TRUE); } else { @@ -4148,6 +4161,7 @@ os_aio_windows_handle( ibool ret_val; BOOL ret; DWORD len; + BOOL retry = FALSE; if (segment == ULINT_UNDEFINED) { array = os_aio_sync_array; @@ -4203,14 +4217,52 @@ os_aio_windows_handle( } } #endif /* UNIV_DO_FLUSH */ + } else if (os_file_handle_error(slot->name, "Windows aio")) { + + retry = TRUE; } else { - os_file_handle_error(slot->name, "Windows aio"); ret_val = FALSE; } os_mutex_exit(array->mutex); + if (retry) { + /* retry failed read/write operation synchronously. + No need to hold array->mutex. */ + + switch (slot->type) { + case OS_FILE_WRITE: + ret = WriteFile(slot->file, slot->buf, + slot->len, &len, + &(slot->control)); + + break; + case OS_FILE_READ: + ret = ReadFile(slot->file, slot->buf, + slot->len, &len, + &(slot->control)); + + break; + default: + ut_error; + } + + if (!ret && GetLastError() == ERROR_IO_PENDING) { + /* aio was queued successfully! + We want a synchronous i/o operation on a + file where we also use async i/o: in Windows + we must use the same wait mechanism as for + async i/o */ + + ret = GetOverlappedResult(slot->file, + &(slot->control), + &len, TRUE); + } + + ret_val = ret && len == slot->len; + } + os_aio_array_free_slot(array, slot); return(ret_val); diff --git a/row/row0merge.c b/row/row0merge.c index 0ad8f331c17..fa1d6b7185f 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1216,6 +1216,12 @@ row_merge_read_clustered_index( in order to release the latch on the old page. */ if (btr_pcur_is_after_last_on_page(&pcur)) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + i = 0; + err = DB_INTERRUPTED; + goto err_exit; + } + btr_pcur_store_position(&pcur, &mtr); mtr_commit(&mtr); mtr_start(&mtr); @@ -1573,6 +1579,7 @@ static __attribute__((nonnull)) ulint row_merge( /*======*/ + trx_t* trx, /*!< in: transaction */ const dict_index_t* index, /*!< in: index being created */ merge_file_t* file, /*!< in/out: file containing index entries */ @@ -1614,6 +1621,10 @@ row_merge( for (; foffs0 < ihalf && foffs1 < file->offset; foffs0++, foffs1++) { ulint ahalf; /*!< arithmetic half the input file */ + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + error = row_merge_blocks(index, file, block, &foffs0, &foffs1, &of, table); @@ -1641,6 +1652,10 @@ row_merge( /* Copy the last blocks, if there are any. */ while (foffs0 < ihalf) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + if (!row_merge_blocks_copy(index, file, block, &foffs0, &of)) { return(DB_CORRUPTION); } @@ -1649,6 +1664,10 @@ row_merge( ut_ad(foffs0 == ihalf); while (foffs1 < file->offset) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + if (!row_merge_blocks_copy(index, file, block, &foffs1, &of)) { return(DB_CORRUPTION); } @@ -1677,6 +1696,7 @@ static ulint row_merge_sort( /*===========*/ + trx_t* trx, /*!< in: transaction */ const dict_index_t* index, /*!< in: index being created */ merge_file_t* file, /*!< in/out: file containing index entries */ @@ -1695,7 +1715,8 @@ row_merge_sort( do { ulint error; - error = row_merge(index, file, &half, block, tmpfd, table); + error = row_merge(trx, index, file, &half, + block, tmpfd, table); if (error != DB_SUCCESS) { return(error); @@ -2065,15 +2086,6 @@ row_merge_drop_temp_indexes(void) trx->op_info = "dropping partially created indexes"; row_mysql_lock_data_dictionary(trx); - /* Incomplete transactions may be holding some locks on the - data dictionary tables. However, they should never have been - able to lock the records corresponding to the partially - created indexes that we are attempting to delete, because the - table was locked when the indexes were being created. We will - drop the partially created indexes before the rollback of - incomplete transactions is initiated. Thus, this should not - interfere with the incomplete transactions. */ - trx->isolation_level = TRX_ISO_READ_UNCOMMITTED; err = que_eval_sql(NULL, drop_temp_indexes, FALSE, trx); ut_a(err == DB_SUCCESS); @@ -2514,7 +2526,7 @@ row_merge_build_indexes( sorting and inserting. */ for (i = 0; i < n_indexes; i++) { - error = row_merge_sort(indexes[i], &merge_files[i], + error = row_merge_sort(trx, indexes[i], &merge_files[i], block, &tmpfd, table); if (error == DB_SUCCESS) { diff --git a/row/row0mysql.c b/row/row0mysql.c index 540a4450045..7a43d0f3b92 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1880,6 +1880,8 @@ err_exit: if (UNIV_UNLIKELY(err != DB_SUCCESS)) { trx->error_state = DB_SUCCESS; trx_general_rollback_for_mysql(trx, NULL); + /* TO DO: free table? The code below will dereference + table->name, though. */ } switch (err) { @@ -1898,31 +1900,6 @@ err_exit: break; case DB_DUPLICATE_KEY: - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs(" already exists in InnoDB internal\n" - "InnoDB: data dictionary. Have you deleted" - " the .frm file\n" - "InnoDB: and not used DROP TABLE?" - " Have you used DROP DATABASE\n" - "InnoDB: for InnoDB tables in" - " MySQL version <= 3.23.43?\n" - "InnoDB: See the Restrictions section" - " of the InnoDB manual.\n" - "InnoDB: You can drop the orphaned table" - " inside InnoDB by\n" - "InnoDB: creating an InnoDB table with" - " the same name in another\n" - "InnoDB: database and copying the .frm file" - " to the current database.\n" - "InnoDB: Then MySQL thinks the table exists," - " and DROP TABLE will\n" - "InnoDB: succeed.\n" - "InnoDB: You can look for further help from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n", - stderr); - /* We may also get err == DB_ERROR if the .ibd file for the table already exists */ @@ -3287,7 +3264,7 @@ check_next_foreign: ut_error; } else { - ibool is_path; + ibool is_temp; const char* name_or_path; mem_heap_t* heap; @@ -3300,12 +3277,13 @@ check_next_foreign: space_id = table->space; if (table->dir_path_of_temp_table != NULL) { - is_path = TRUE; name_or_path = mem_heap_strdup( heap, table->dir_path_of_temp_table); + is_temp = TRUE; } else { - is_path = FALSE; name_or_path = name; + is_temp = (table->flags >> DICT_TF2_SHIFT) + & DICT_TF2_TEMPORARY; } dict_table_remove_from_cache(table); @@ -3325,8 +3303,8 @@ check_next_foreign: if (err == DB_SUCCESS && space_id > 0) { if (!fil_space_for_table_exists_in_mem(space_id, name_or_path, - is_path, - FALSE, TRUE)) { + is_temp, FALSE, + !is_temp)) { err = DB_SUCCESS; fprintf(stderr, @@ -4157,6 +4135,7 @@ row_check_table_for_mysql( } if (trx_is_interrupted(prebuilt->trx)) { + ret = DB_INTERRUPTED; break; } diff --git a/row/row0sel.c b/row/row0sel.c index 3ef9726588e..23cd97f6826 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -431,10 +431,6 @@ row_sel_fetch_columns( data = rec_get_nth_field(rec, offsets, field_no, &len); - if (len == UNIV_SQL_NULL) { - len = UNIV_SQL_NULL; - } - needs_copy = column->copy_val; } @@ -4616,6 +4612,7 @@ row_search_autoinc_read_column( dict_index_t* index, /*!< in: index to read from */ const rec_t* rec, /*!< in: current rec */ ulint col_no, /*!< in: column number */ + ulint mtype, /*!< in: column main type */ ibool unsigned_type) /*!< in: signed or unsigned flag */ { ulint len; @@ -4632,10 +4629,26 @@ row_search_autoinc_read_column( data = rec_get_nth_field(rec, offsets, col_no, &len); ut_a(len != UNIV_SQL_NULL); - ut_a(len <= sizeof value); - /* we assume AUTOINC value cannot be negative */ - value = mach_read_int_type(data, len, unsigned_type); + switch (mtype) { + case DATA_INT: + ut_a(len <= sizeof value); + value = mach_read_int_type(data, len, unsigned_type); + break; + + case DATA_FLOAT: + ut_a(len == sizeof(float)); + value = mach_float_read(data); + break; + + case DATA_DOUBLE: + ut_a(len == sizeof(double)); + value = mach_double_read(data); + break; + + default: + ut_error; + } if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); @@ -4721,7 +4734,8 @@ row_search_max_autoinc( dfield->col->prtype & DATA_UNSIGNED); *value = row_search_autoinc_read_column( - index, rec, i, unsigned_type); + index, rec, i, + dfield->col->mtype, unsigned_type); } } diff --git a/row/row0umod.c b/row/row0umod.c index 4d50c1d945a..4094ef60c66 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -451,7 +451,7 @@ row_undo_mod_del_unmark_sec_and_undo_update( BTR_MODIFY_TREE */ que_thr_t* thr, /*!< in: query thread */ dict_index_t* index, /*!< in: index */ - dtuple_t* entry) /*!< in: index entry */ + const dtuple_t* entry) /*!< in: index entry */ { mem_heap_t* heap; btr_pcur_t pcur; diff --git a/row/row0upd.c b/row/row0upd.c index 537908e9b78..99a83b78bd3 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1344,9 +1344,6 @@ row_upd_copy_columns( data = rec_get_nth_field(rec, offsets, column->field_nos[SYM_CLUST_FIELD_NO], &len); - if (len == UNIV_SQL_NULL) { - len = UNIV_SQL_NULL; - } eval_node_copy_and_alloc_val(column, data, len); column = UT_LIST_GET_NEXT(col_var_list, column); diff --git a/srv/srv0srv.c b/srv/srv0srv.c index ce88bb0569d..3fc861a2d5d 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -119,7 +119,8 @@ UNIV_INTERN ulint srv_fatal_semaphore_wait_threshold = 600; in microseconds, in order to reduce the lagging of the purge thread. */ UNIV_INTERN ulint srv_dml_needed_delay = 0; -UNIV_INTERN ibool srv_lock_timeout_and_monitor_active = FALSE; +UNIV_INTERN ibool srv_lock_timeout_active = FALSE; +UNIV_INTERN ibool srv_monitor_active = FALSE; UNIV_INTERN ibool srv_error_monitor_active = FALSE; UNIV_INTERN const char* srv_main_thread_op_info = ""; @@ -194,7 +195,17 @@ UNIV_INTERN ulong srv_flush_log_at_trx_commit = 1; the checkpoints. */ UNIV_INTERN char srv_adaptive_flushing = TRUE; -/* The sort order table of the MySQL latin1_swedish_ci character set +/** Maximum number of times allowed to conditionally acquire +mutex before switching to blocking wait on the mutex */ +#define MAX_MUTEX_NOWAIT 20 + +/** Check whether the number of failed nonblocking mutex +acquisition attempts exceeds maximum allowed value. If so, +srv_printf_innodb_monitor() will request mutex acquisition +with mutex_enter(), which will wait until it gets the mutex. */ +#define MUTEX_NOWAIT(mutex_skipped) ((mutex_skipped) < MAX_MUTEX_NOWAIT) + +/** The sort order table of the MySQL latin1_swedish_ci character set collation */ UNIV_INTERN const byte* srv_latin1_ordering; @@ -1689,12 +1700,15 @@ srv_refresh_innodb_monitor_stats(void) } /******************************************************************//** -Outputs to a file the output of the InnoDB Monitor. */ +Outputs to a file the output of the InnoDB Monitor. +@return FALSE if not all information printed +due to failure to obtain necessary mutex */ UNIV_INTERN -void +ibool srv_printf_innodb_monitor( /*======================*/ FILE* file, /*!< in: output stream */ + ibool nowait, /*!< in: whether to wait for kernel mutex */ ulint* trx_start, /*!< out: file position of the start of the list of active transactions */ ulint* trx_end) /*!< out: file position of the end of @@ -1703,6 +1717,7 @@ srv_printf_innodb_monitor( double time_elapsed; time_t current_time; ulint n_reserved; + ibool ret; mutex_enter(&srv_innodb_monitor_mutex); @@ -1752,24 +1767,31 @@ srv_printf_innodb_monitor( mutex_exit(&dict_foreign_err_mutex); - lock_print_info_summary(file); - if (trx_start) { - long t = ftell(file); - if (t < 0) { - *trx_start = ULINT_UNDEFINED; - } else { - *trx_start = (ulint) t; - } - } - lock_print_info_all_transactions(file); - if (trx_end) { - long t = ftell(file); - if (t < 0) { - *trx_end = ULINT_UNDEFINED; - } else { - *trx_end = (ulint) t; + /* Only if lock_print_info_summary proceeds correctly, + before we call the lock_print_info_all_transactions + to print all the lock information. */ + ret = lock_print_info_summary(file, nowait); + + if (ret) { + if (trx_start) { + long t = ftell(file); + if (t < 0) { + *trx_start = ULINT_UNDEFINED; + } else { + *trx_start = (ulint) t; + } + } + lock_print_info_all_transactions(file); + if (trx_end) { + long t = ftell(file); + if (t < 0) { + *trx_end = ULINT_UNDEFINED; + } else { + *trx_end = (ulint) t; + } } } + fputs("--------\n" "FILE I/O\n" "--------\n", file); @@ -1867,6 +1889,8 @@ srv_printf_innodb_monitor( "============================\n", file); mutex_exit(&srv_innodb_monitor_mutex); fflush(file); + + return(ret); } /******************************************************************//** @@ -1954,26 +1978,23 @@ srv_export_innodb_status(void) } /*********************************************************************//** -A thread which wakes up threads whose lock wait may have lasted too long. -This also prints the info output by various InnoDB monitors. +A thread which prints the info output by various InnoDB monitors. @return a dummy parameter */ UNIV_INTERN os_thread_ret_t -srv_lock_timeout_and_monitor_thread( -/*================================*/ +srv_monitor_thread( +/*===============*/ void* arg __attribute__((unused))) /*!< in: a dummy parameter required by os_thread_create */ { - srv_slot_t* slot; double time_elapsed; time_t current_time; time_t last_table_monitor_time; time_t last_tablespace_monitor_time; time_t last_monitor_time; - ibool some_waits; - double wait_time; - ulint i; + ulint mutex_skipped; + ibool last_srv_print_monitor; #ifdef UNIV_DEBUG_THREAD_CREATION fprintf(stderr, "Lock timeout thread starts, id %lu\n", @@ -1984,13 +2005,15 @@ srv_lock_timeout_and_monitor_thread( last_table_monitor_time = time(NULL); last_tablespace_monitor_time = time(NULL); last_monitor_time = time(NULL); + mutex_skipped = 0; + last_srv_print_monitor = srv_print_innodb_monitor; loop: - srv_lock_timeout_and_monitor_active = TRUE; + srv_monitor_active = TRUE; - /* When someone is waiting for a lock, we wake up every second - and check if a timeout has passed for a lock wait */ + /* Wake up every 5 seconds to see if we need to print + monitor information. */ - os_thread_sleep(1000000); + os_thread_sleep(5000000); current_time = time(NULL); @@ -2000,14 +2023,40 @@ loop: last_monitor_time = time(NULL); if (srv_print_innodb_monitor) { - srv_printf_innodb_monitor(stderr, NULL, NULL); + /* Reset mutex_skipped counter everytime + srv_print_innodb_monitor changes. This is to + ensure we will not be blocked by kernel_mutex + for short duration information printing, + such as requested by sync_array_print_long_waits() */ + if (!last_srv_print_monitor) { + mutex_skipped = 0; + last_srv_print_monitor = TRUE; + } + + if (!srv_printf_innodb_monitor(stderr, + MUTEX_NOWAIT(mutex_skipped), + NULL, NULL)) { + mutex_skipped++; + } else { + /* Reset the counter */ + mutex_skipped = 0; + } + } else { + last_srv_print_monitor = FALSE; } + if (srv_innodb_status) { mutex_enter(&srv_monitor_file_mutex); rewind(srv_monitor_file); - srv_printf_innodb_monitor(srv_monitor_file, NULL, - NULL); + if (!srv_printf_innodb_monitor(srv_monitor_file, + MUTEX_NOWAIT(mutex_skipped), + NULL, NULL)) { + mutex_skipped++; + } else { + mutex_skipped = 0; + } + os_file_set_eof(srv_monitor_file); mutex_exit(&srv_monitor_file_mutex); } @@ -2060,6 +2109,56 @@ loop: } } + if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { + goto exit_func; + } + + if (srv_print_innodb_monitor + || srv_print_innodb_lock_monitor + || srv_print_innodb_tablespace_monitor + || srv_print_innodb_table_monitor) { + goto loop; + } + + srv_monitor_active = FALSE; + + goto loop; + +exit_func: + srv_monitor_active = FALSE; + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} + +/*********************************************************************//** +A thread which wakes up threads whose lock wait may have lasted too long. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_lock_timeout_thread( +/*====================*/ + void* arg __attribute__((unused))) + /* in: a dummy parameter required by + os_thread_create */ +{ + srv_slot_t* slot; + ibool some_waits; + double wait_time; + ulint i; + +loop: + /* When someone is waiting for a lock, we wake up every second + and check if a timeout has passed for a lock wait */ + + os_thread_sleep(1000000); + + srv_lock_timeout_active = TRUE; + mutex_enter(&kernel_mutex); some_waits = FALSE; @@ -2110,17 +2209,11 @@ loop: goto exit_func; } - if (some_waits || srv_print_innodb_monitor - || srv_print_innodb_lock_monitor - || srv_print_innodb_tablespace_monitor - || srv_print_innodb_table_monitor) { + if (some_waits) { goto loop; } - /* No one was waiting for a lock and no monitor was active: - suspend this thread */ - - srv_lock_timeout_and_monitor_active = FALSE; + srv_lock_timeout_active = FALSE; #if 0 /* The following synchronisation is disabled, since @@ -2130,7 +2223,7 @@ loop: goto loop; exit_func: - srv_lock_timeout_and_monitor_active = FALSE; + srv_lock_timeout_active = FALSE; /* We count the number of threads in os_thread_exit(). A created thread should always use that to exit and not use return() to exit. */ diff --git a/srv/srv0start.c b/srv/srv0start.c index c4cc10ed07b..8fee695466e 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -105,6 +105,7 @@ Created 2/16/1996 Heikki Tuuri # include "btr0pcur.h" # include "thr0loc.h" # include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ +# include "zlib.h" /* for ZLIB_VERSION */ /** Log sequence number immediately after startup */ UNIV_INTERN ib_uint64_t srv_start_lsn; @@ -143,9 +144,9 @@ static mutex_t ios_mutex; static ulint ios; /** io_handler_thread parameters for thread identification */ -static ulint n[SRV_MAX_N_IO_THREADS + 5]; +static ulint n[SRV_MAX_N_IO_THREADS + 6]; /** io_handler_thread identifiers */ -static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 5]; +static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 6]; /** We use this mutex to test the return value of pthread_mutex_trylock on successful locking. HP-UX does NOT return 0, though Linux et al do. */ @@ -1074,7 +1075,11 @@ innobase_start_or_create_for_mysql(void) #ifdef UNIV_IBUF_DEBUG fprintf(stderr, "InnoDB: !!!!!!!! UNIV_IBUF_DEBUG switched on !!!!!!!!!\n" - "InnoDB: Crash recovery will fail with UNIV_IBUF_DEBUG\n"); +# ifdef UNIV_IBUF_COUNT_DEBUG + "InnoDB: !!!!!!!! UNIV_IBUF_COUNT_DEBUG switched on !!!!!!!!!\n" + "InnoDB: Crash recovery will fail with UNIV_IBUF_COUNT_DEBUG\n" +# endif + ); #endif #ifdef UNIV_SYNC_DEBUG @@ -1101,7 +1106,15 @@ innobase_start_or_create_for_mysql(void) "InnoDB: The InnoDB memory heap is disabled\n"); } - fprintf(stderr, "InnoDB: %s\n", IB_ATOMICS_STARTUP_MSG); + fputs("InnoDB: " IB_ATOMICS_STARTUP_MSG + "\nInnoDB: Compressed tables use zlib " ZLIB_VERSION +#ifdef UNIV_ZIP_DEBUG + " with validation" +#endif /* UNIV_ZIP_DEBUG */ +#ifdef UNIV_ZIP_COPY + " and extra copying" +#endif /* UNIV_ZIP_COPY */ + "\n" , stderr); /* Since InnoDB does not currently clean up all its internal data structures in MySQL Embedded Server Library server_end(), we @@ -1675,15 +1688,18 @@ innobase_start_or_create_for_mysql(void) /* fprintf(stderr, "Max allowed record size %lu\n", page_get_free_space_of_empty() / 2); */ - /* Create the thread which watches the timeouts for lock waits - and prints InnoDB monitor info */ - - os_thread_create(&srv_lock_timeout_and_monitor_thread, NULL, + /* Create the thread which watches the timeouts for lock waits */ + os_thread_create(&srv_lock_timeout_thread, NULL, thread_ids + 2 + SRV_MAX_N_IO_THREADS); /* Create the thread which warns of long semaphore waits */ os_thread_create(&srv_error_monitor_thread, NULL, thread_ids + 3 + SRV_MAX_N_IO_THREADS); + + /* Create the thread which prints InnoDB monitor info */ + os_thread_create(&srv_monitor_thread, NULL, + thread_ids + 4 + SRV_MAX_N_IO_THREADS); + srv_is_being_started = FALSE; if (trx_doublewrite == NULL) { diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 12562b40726..1b20eaabf42 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -60,7 +60,7 @@ Created July 17, 2007 Vasil Dimov /** @brief The maximum number of chunks to allocate for a table cache. The rows of a table cache are stored in a set of chunks. When a new -row is added a new chunk is allocated if necessary. Assuming that the +row is added a new chunk is allocated if necessary. Assuming that the first one is 1024 rows (TABLE_CACHE_INITIAL_ROWSNUM) and each subsequent is N/2 where N is the number of rows we have allocated till now, then 39th chunk would accommodate 1677416425 rows and all chunks @@ -1205,9 +1205,6 @@ trx_i_s_possibly_fetch_data_into_cache( return(1); } - /* We are going to access trx->query in all transactions */ - innobase_mysql_prepare_print_arbitrary_thd(); - /* We need to read trx_sys and record/table lock queues */ mutex_enter(&kernel_mutex); @@ -1215,8 +1212,6 @@ trx_i_s_possibly_fetch_data_into_cache( mutex_exit(&kernel_mutex); - innobase_mysql_end_print_arbitrary_thd(); - return(0); } diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 79e5af1c677..253619545af 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -1535,6 +1535,7 @@ trx_sys_file_format_id_to_name( #endif /* !UNIV_HOTBACKUP */ +#ifndef UNIV_HOTBACKUP /********************************************************************* Shutdown/Close the transaction system. */ UNIV_INTERN @@ -1611,3 +1612,4 @@ trx_sys_close(void) trx_sys = NULL; mutex_exit(&kernel_mutex); } +#endif /* !UNIV_HOTBACKUP */ diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 21ba6e481a7..0951b98b79f 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -1636,9 +1636,7 @@ trx_mark_sql_stat_end( /**********************************************************************//** Prints info about a transaction to the given file. The caller must own the -kernel mutex and must have called -innobase_mysql_prepare_print_arbitrary_thd(), unless he knows that MySQL -or InnoDB cannot meanwhile change the info printed here. */ +kernel mutex. */ UNIV_INTERN void trx_print( From 076550285b4939d3620e9f185f1925882fcd872b Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 13 Jan 2010 20:01:10 +0000 Subject: [PATCH 152/400] branches/innodb+: Merge revisions 6364:6447 from branches/zip: ------------------------------------------------------------------------ r6367 | marko | 2009-12-28 15:39:19 +0200 (Mon, 28 Dec 2009) | 2 lines Changed paths: M /branches/zip/dict/dict0dict.c branches/zip: dict_index_add_to_cache(): Always free the index object, also when returning DB_CORRUPTION. ------------------------------------------------------------------------ r6425 | marko | 2010-01-12 13:47:11 +0200 (Tue, 12 Jan 2010) | 45 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/ha_innodb.h M /branches/zip/row/row0mysql.c branches/zip: Merge revisions 6350:6424 from branches/5.1: ------------------------------------------------------------------------ r6421 | jyang | 2010-01-12 07:59:16 +0200 (Tue, 12 Jan 2010) | 8 lines Changed paths: M /branches/5.1/row/row0mysql.c branches/5.1: Fix bug #49238: Creating/Dropping a temporary table while at 1023 transactions will cause assert. Handle possible DB_TOO_MANY_CONCURRENT_TRXS when deleting metadata in row_drop_table_for_mysql(). rb://220, approved by Marko ------------------------------------------------------------------------ r6422 | marko | 2010-01-12 11:34:27 +0200 (Tue, 12 Jan 2010) | 3 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/handler/ha_innodb.h branches/5.1: Non-functional change: Make innobase_get_int_col_max_value() a static function. It does not access any fields of class ha_innobase. ------------------------------------------------------------------------ r6424 | marko | 2010-01-12 12:22:19 +0200 (Tue, 12 Jan 2010) | 16 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/handler/ha_innodb.h branches/5.1: In innobase_initialize_autoinc(), do not attempt to read the maximum auto-increment value from the table if innodb_force_recovery is set to at least 4, so that writes are disabled. (Bug #46193) innobase_get_int_col_max_value(): Move the function definition before ha_innobase::innobase_initialize_autoinc(), because that function now calls this function. ha_innobase::innobase_initialize_autoinc(): Change the return type to void. Do not attempt to read the maximum auto-increment value from the table if innodb_force_recovery is set to at least 4. Issue ER_AUTOINC_READ_FAILED to the client when the auto-increment value cannot be read. rb://144 by Sunny, revised by Marko ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6426 | marko | 2010-01-12 15:36:14 +0200 (Tue, 12 Jan 2010) | 2 lines Changed paths: M /branches/zip/row/row0sel.c branches/zip: row_sel_sec_rec_is_for_clust_rec(): Document the return value more accurately. ------------------------------------------------------------------------ r6433 | marko | 2010-01-13 13:19:00 +0200 (Wed, 13 Jan 2010) | 2 lines Changed paths: M /branches/zip/dict/dict0crea.c M /branches/zip/dict/dict0load.c branches/zip: dict_sys_tables_get_flags(), dict_create_sys_*_tuple(): Add some const qualifiers and comments. ------------------------------------------------------------------------ r6445 | marko | 2010-01-13 17:15:29 +0200 (Wed, 13 Jan 2010) | 3 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/buf/buf0buf.c branches/zip: buf_pool_drop_hash_index(): Check block->page.state before checking block->is_hashed, because the latter may be uninitialized right after server startup. ------------------------------------------------------------------------ r6446 | marko | 2010-01-13 17:20:10 +0200 (Wed, 13 Jan 2010) | 3 lines Changed paths: M /branches/zip/include/mem0dbg.h M /branches/zip/include/mem0dbg.ic M /branches/zip/mem/mem0dbg.c M /branches/zip/sync/sync0sync.c branches/zip: Treat mem_hash_mutex specially in mutex_free(), and explicitly free mem_hash_mutex in mem_close(). This fixes the breakage of UNIV_MEM_DEBUG that was filed as Issue #434. ------------------------------------------------------------------------ r6447 | marko | 2010-01-13 17:43:44 +0200 (Wed, 13 Jan 2010) | 5 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/row/row0sel.c branches/zip: row_sel_get_clust_rec_for_mysql(): On the READ UNCOMMITTED isolation level, do not attempt to access a clustered index record that has been marked for deletion. This fixes Issue #433. Approved by Heikki over the IM. ------------------------------------------------------------------------ --- ChangeLog | 30 +++++- buf/buf0buf.c | 4 +- dict/dict0crea.c | 102 +++++++++--------- dict/dict0dict.c | 1 + dict/dict0load.c | 2 +- handler/ha_innodb.cc | 239 ++++++++++++++++++++++++------------------- handler/ha_innodb.h | 3 +- include/mem0dbg.h | 7 ++ include/mem0dbg.ic | 3 - mem/mem0dbg.c | 4 + row/row0mysql.c | 32 ++++-- row/row0sel.c | 4 +- sync/sync0sync.c | 19 +++- 13 files changed, 279 insertions(+), 171 deletions(-) diff --git a/ChangeLog b/ChangeLog index dddf37e2334..c0ad21cd132 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,6 +1,34 @@ +2010-01-13 The InnoDB Team + + * row/row0sel.c: + On the READ UNCOMMITTED isolation level, do not attempt to access + a clustered index record that has been marked for deletion. The + built-in InnoDB in MySQL 5.1 and earlier would attempt to retrieve + a previous version of the record in this case. + +2010-01-13 The InnoDB Team + + * buf/buf0buf.c: + When disabling the adaptive hash index, check the block state + before checking block->is_hashed, because the latter may be + uninitialized right after server startup. + +2010-01-12 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h: + Fix Bug #46193 crash when accessing tables after enabling + innodb_force_recovery option + +2010-01-12 The InnoDB Team + + * row/row0mysql.c: + Fix Bug#49238 Creating/Dropping a temporary table while at 1023 + transactions will cause assert. + 2009-12-02 The InnoDB Team - * srv/srv0start.c: Display the zlib version number at startup. + * srv/srv0start.c: + Display the zlib version number at startup. InnoDB compressed tables use zlib, and the implementation depends on the zlib function compressBound(), whose definition was slightly changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 diff --git a/buf/buf0buf.c b/buf/buf0buf.c index cff102aa92c..2e44bc89ca0 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1060,7 +1060,9 @@ buf_pool_drop_hash_index(void) when we have an x-latch on btr_search_latch; see the comment in buf0buf.h */ - if (!block->is_hashed) { + if (buf_block_get_state(block) + != BUF_BLOCK_FILE_PAGE + || !block->is_hashed) { continue; } diff --git a/dict/dict0crea.c b/dict/dict0crea.c index b0341e5eeab..5bbc2d17ddd 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -51,16 +51,18 @@ static dtuple_t* dict_create_sys_tables_tuple( /*=========================*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the built tuple is allocated */ + const dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ { dict_table_t* sys_tables; dtuple_t* entry; dfield_t* dfield; byte* ptr; - ut_ad(table && heap); + ut_ad(table); + ut_ad(heap); sys_tables = dict_sys->sys_tables; @@ -69,18 +71,18 @@ dict_create_sys_tables_tuple( dict_table_copy_types(entry, sys_tables); /* 0: NAME -----------------------------*/ - dfield = dtuple_get_nth_field(entry, 0); + dfield = dtuple_get_nth_field(entry, 0/*NAME*/); dfield_set_data(dfield, table->name, ut_strlen(table->name)); /* 3: ID -------------------------------*/ - dfield = dtuple_get_nth_field(entry, 1); + dfield = dtuple_get_nth_field(entry, 1/*ID*/); ptr = mem_heap_alloc(heap, 8); mach_write_to_8(ptr, table->id); dfield_set_data(dfield, ptr, 8); /* 4: N_COLS ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 2); + dfield = dtuple_get_nth_field(entry, 2/*N_COLS*/); #if DICT_TF_COMPACT != 1 #error @@ -91,7 +93,7 @@ dict_create_sys_tables_tuple( | ((table->flags & DICT_TF_COMPACT) << 31)); dfield_set_data(dfield, ptr, 4); /* 5: TYPE -----------------------------*/ - dfield = dtuple_get_nth_field(entry, 3); + dfield = dtuple_get_nth_field(entry, 3/*TYPE*/); ptr = mem_heap_alloc(heap, 4); if (table->flags & (~DICT_TF_COMPACT & ~(~0 << DICT_TF_BITS))) { @@ -107,25 +109,25 @@ dict_create_sys_tables_tuple( dfield_set_data(dfield, ptr, 4); /* 6: MIX_ID (obsolete) ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 4); + dfield = dtuple_get_nth_field(entry, 4/*MIX_ID*/); ptr = mem_heap_zalloc(heap, 8); dfield_set_data(dfield, ptr, 8); /* 7: MIX_LEN (additional flags) --------------------------*/ - dfield = dtuple_get_nth_field(entry, 5); + dfield = dtuple_get_nth_field(entry, 5/*MIX_LEN*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, table->flags >> DICT_TF2_SHIFT); dfield_set_data(dfield, ptr, 4); /* 8: CLUSTER_NAME ---------------------*/ - dfield = dtuple_get_nth_field(entry, 6); + dfield = dtuple_get_nth_field(entry, 6/*CLUSTER_NAME*/); dfield_set_null(dfield); /* not supported */ /* 9: SPACE ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 7); + dfield = dtuple_get_nth_field(entry, 7/*SPACE*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, table->space); @@ -144,19 +146,21 @@ static dtuple_t* dict_create_sys_columns_tuple( /*==========================*/ - dict_table_t* table, /*!< in: table */ - ulint i, /*!< in: column number */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the built tuple is allocated */ + const dict_table_t* table, /*!< in: table */ + ulint i, /*!< in: column number */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ { dict_table_t* sys_columns; dtuple_t* entry; const dict_col_t* column; dfield_t* dfield; byte* ptr; - const char* col_name; + const char* col_name; - ut_ad(table && heap); + ut_ad(table); + ut_ad(heap); column = dict_table_get_nth_col(table, i); @@ -167,47 +171,47 @@ dict_create_sys_columns_tuple( dict_table_copy_types(entry, sys_columns); /* 0: TABLE_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0); + dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); ptr = mem_heap_alloc(heap, 8); mach_write_to_8(ptr, table->id); dfield_set_data(dfield, ptr, 8); /* 1: POS ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 1); + dfield = dtuple_get_nth_field(entry, 1/*POS*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, i); dfield_set_data(dfield, ptr, 4); /* 4: NAME ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 2); + dfield = dtuple_get_nth_field(entry, 2/*NAME*/); col_name = dict_table_get_col_name(table, i); dfield_set_data(dfield, col_name, ut_strlen(col_name)); /* 5: MTYPE --------------------------*/ - dfield = dtuple_get_nth_field(entry, 3); + dfield = dtuple_get_nth_field(entry, 3/*MTYPE*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, column->mtype); dfield_set_data(dfield, ptr, 4); /* 6: PRTYPE -------------------------*/ - dfield = dtuple_get_nth_field(entry, 4); + dfield = dtuple_get_nth_field(entry, 4/*PRTYPE*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, column->prtype); dfield_set_data(dfield, ptr, 4); /* 7: LEN ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 5); + dfield = dtuple_get_nth_field(entry, 5/*LEN*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, column->len); dfield_set_data(dfield, ptr, 4); /* 8: PREC ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 6); + dfield = dtuple_get_nth_field(entry, 6/*PREC*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, 0/* unused */); @@ -325,9 +329,10 @@ static dtuple_t* dict_create_sys_indexes_tuple( /*==========================*/ - dict_index_t* index, /*!< in: index */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the built tuple is allocated */ + const dict_index_t* index, /*!< in: index */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ { dict_table_t* sys_indexes; dict_table_t* table; @@ -336,7 +341,8 @@ dict_create_sys_indexes_tuple( byte* ptr; ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(index && heap); + ut_ad(index); + ut_ad(heap); sys_indexes = dict_sys->sys_indexes; @@ -347,32 +353,32 @@ dict_create_sys_indexes_tuple( dict_table_copy_types(entry, sys_indexes); /* 0: TABLE_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0); + dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); ptr = mem_heap_alloc(heap, 8); mach_write_to_8(ptr, table->id); dfield_set_data(dfield, ptr, 8); /* 1: ID ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 1); + dfield = dtuple_get_nth_field(entry, 1/*ID*/); ptr = mem_heap_alloc(heap, 8); mach_write_to_8(ptr, index->id); dfield_set_data(dfield, ptr, 8); /* 4: NAME --------------------------*/ - dfield = dtuple_get_nth_field(entry, 2); + dfield = dtuple_get_nth_field(entry, 2/*NAME*/); dfield_set_data(dfield, index->name, ut_strlen(index->name)); /* 5: N_FIELDS ----------------------*/ - dfield = dtuple_get_nth_field(entry, 3); + dfield = dtuple_get_nth_field(entry, 3/*N_FIELDS*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, index->n_fields); dfield_set_data(dfield, ptr, 4); /* 6: TYPE --------------------------*/ - dfield = dtuple_get_nth_field(entry, 4); + dfield = dtuple_get_nth_field(entry, 4/*TYPE*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, index->type); @@ -384,7 +390,7 @@ dict_create_sys_indexes_tuple( #error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 7" #endif - dfield = dtuple_get_nth_field(entry, 5); + dfield = dtuple_get_nth_field(entry, 5/*SPACE*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, index->space); @@ -396,7 +402,7 @@ dict_create_sys_indexes_tuple( #error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 8" #endif - dfield = dtuple_get_nth_field(entry, 6); + dfield = dtuple_get_nth_field(entry, 6/*PAGE_NO*/); ptr = mem_heap_alloc(heap, 4); mach_write_to_4(ptr, FIL_NULL); @@ -415,10 +421,11 @@ static dtuple_t* dict_create_sys_fields_tuple( /*=========================*/ - dict_index_t* index, /*!< in: index */ - ulint i, /*!< in: field number */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the built tuple is allocated */ + const dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: field number */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ { dict_table_t* sys_fields; dtuple_t* entry; @@ -428,7 +435,8 @@ dict_create_sys_fields_tuple( ibool index_contains_column_prefix_field = FALSE; ulint j; - ut_ad(index && heap); + ut_ad(index); + ut_ad(heap); for (j = 0; j < index->n_fields; j++) { if (dict_index_get_nth_field(index, j)->prefix_len > 0) { @@ -446,7 +454,7 @@ dict_create_sys_fields_tuple( dict_table_copy_types(entry, sys_fields); /* 0: INDEX_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0); + dfield = dtuple_get_nth_field(entry, 0/*INDEX_ID*/); ptr = mem_heap_alloc(heap, 8); mach_write_to_8(ptr, index->id); @@ -454,7 +462,7 @@ dict_create_sys_fields_tuple( dfield_set_data(dfield, ptr, 8); /* 1: POS + PREFIX LENGTH ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 1); + dfield = dtuple_get_nth_field(entry, 1/*POS*/); ptr = mem_heap_alloc(heap, 4); @@ -474,7 +482,7 @@ dict_create_sys_fields_tuple( dfield_set_data(dfield, ptr, 4); /* 4: COL_NAME -------------------------*/ - dfield = dtuple_get_nth_field(entry, 2); + dfield = dtuple_get_nth_field(entry, 2/*COL_NAME*/); dfield_set_data(dfield, field->name, ut_strlen(field->name)); @@ -605,6 +613,7 @@ dict_create_index_tree_step( dict_table_t* sys_indexes; dict_table_t* table; dtuple_t* search_tuple; + ulint zip_size; btr_pcur_t pcur; mtr_t mtr; @@ -629,8 +638,9 @@ dict_create_index_tree_step( btr_pcur_move_to_next_user_rec(&pcur, &mtr); - node->page_no = btr_create(index->type, index->space, - dict_table_zip_size(index->table), + zip_size = dict_table_zip_size(index->table); + + node->page_no = btr_create(index->type, index->space, zip_size, index->id, index, &mtr); /* printf("Created a new index tree in space %lu root page %lu\n", index->space, index->page_no); */ diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 4c62e8de748..ca129c29d20 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1460,6 +1460,7 @@ dict_index_add_to_cache( if (!dict_index_find_cols(table, index)) { + dict_mem_index_free(index); return(DB_CORRUPTION); } diff --git a/dict/dict0load.c b/dict/dict0load.c index 2867125e39d..0c72a2e8f81 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -260,7 +260,7 @@ dict_sys_tables_get_flags( return(0); } - field = rec_get_nth_field_old(rec, 4, &len); + field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); n_cols = mach_read_from_4(field); if (UNIV_UNLIKELY(!(n_cols & 0x80000000UL))) { diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 5509d0381d3..972430a5976 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -3010,59 +3010,150 @@ normalize_table_name( } /********************************************************************//** +Get the upper limit of the MySQL integral and floating-point type. +@return maximum allowed value for the field */ +static +ulonglong +innobase_get_int_col_max_value( +/*===========================*/ + const Field* field) /*!< in: MySQL field */ +{ + ulonglong max_value = 0; + + switch(field->key_type()) { + /* TINY */ + case HA_KEYTYPE_BINARY: + max_value = 0xFFULL; + break; + case HA_KEYTYPE_INT8: + max_value = 0x7FULL; + break; + /* SHORT */ + case HA_KEYTYPE_USHORT_INT: + max_value = 0xFFFFULL; + break; + case HA_KEYTYPE_SHORT_INT: + max_value = 0x7FFFULL; + break; + /* MEDIUM */ + case HA_KEYTYPE_UINT24: + max_value = 0xFFFFFFULL; + break; + case HA_KEYTYPE_INT24: + max_value = 0x7FFFFFULL; + break; + /* LONG */ + case HA_KEYTYPE_ULONG_INT: + max_value = 0xFFFFFFFFULL; + break; + case HA_KEYTYPE_LONG_INT: + max_value = 0x7FFFFFFFULL; + break; + /* BIG */ + case HA_KEYTYPE_ULONGLONG: + max_value = 0xFFFFFFFFFFFFFFFFULL; + break; + case HA_KEYTYPE_LONGLONG: + max_value = 0x7FFFFFFFFFFFFFFFULL; + break; + case HA_KEYTYPE_FLOAT: + /* We use the maximum as per IEEE754-2008 standard, 2^24 */ + max_value = 0x1000000ULL; + break; + case HA_KEYTYPE_DOUBLE: + /* We use the maximum as per IEEE754-2008 standard, 2^53 */ + max_value = 0x20000000000000ULL; + break; + default: + ut_error; + } + + return(max_value); +} + +/************************************************************************ Set the autoinc column max value. This should only be called once from -ha_innobase::open(). Therefore there's no need for a covering lock. -@return DB_SUCCESS or error code */ +ha_innobase::open(). Therefore there's no need for a covering lock. */ UNIV_INTERN -ulint +void ha_innobase::innobase_initialize_autoinc() /*======================================*/ { - dict_index_t* index; ulonglong auto_inc; - const char* col_name; - ulint error; - - col_name = table->found_next_number_field->field_name; - index = innobase_get_index(table->s->next_number_index); - - /* Execute SELECT MAX(col_name) FROM TABLE; */ - error = row_search_max_autoinc(index, col_name, &auto_inc); - - switch (error) { - case DB_SUCCESS: - - /* At the this stage we don't know the increment - or the offset, so use default inrement of 1. */ - ++auto_inc; - break; - - case DB_RECORD_NOT_FOUND: - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: MySQL and InnoDB data " - "dictionaries are out of sync.\n" - "InnoDB: Unable to find the AUTOINC column %s in the " - "InnoDB table %s.\n" - "InnoDB: We set the next AUTOINC column value to the " - "maximum possible value,\n" - "InnoDB: in effect disabling the AUTOINC next value " - "generation.\n" - "InnoDB: You can either set the next AUTOINC value " - "explicitly using ALTER TABLE\n" - "InnoDB: or fix the data dictionary by recreating " - "the table.\n", - col_name, index->table->name); + const Field* field = table->found_next_number_field; + if (field != NULL) { + auto_inc = innobase_get_int_col_max_value(field); + } else { + /* We have no idea what's been passed in to us as the + autoinc column. We set it to the MAX_INT of our table + autoinc type. */ auto_inc = 0xFFFFFFFFFFFFFFFFULL; - break; - default: - return(error); + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Unable to determine the AUTOINC " + "column name\n"); + } + + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { + /* If the recovery level is set so high that writes + are disabled we force the AUTOINC counter to the MAX + value effectively disabling writes to the table. + Secondly, we avoid reading the table in case the read + results in failure due to a corrupted table/index. + + We will not return an error to the client, so that the + tables can be dumped with minimal hassle. If an error + were returned in this case, the first attempt to read + the table would fail and subsequent SELECTs would succeed. */ + } else if (field == NULL) { + my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + } else { + dict_index_t* index; + const char* col_name; + ulonglong read_auto_inc; + ulint err; + + update_thd(ha_thd()); + col_name = field->field_name; + index = innobase_get_index(table->s->next_number_index); + + /* Execute SELECT MAX(col_name) FROM TABLE; */ + err = row_search_max_autoinc(index, col_name, &read_auto_inc); + + switch (err) { + case DB_SUCCESS: + /* At the this stage we do not know the increment + or the offset, so use a default increment of 1. */ + auto_inc = read_auto_inc + 1; + break; + + case DB_RECORD_NOT_FOUND: + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: MySQL and InnoDB data " + "dictionaries are out of sync.\n" + "InnoDB: Unable to find the AUTOINC column " + "%s in the InnoDB table %s.\n" + "InnoDB: We set the next AUTOINC column " + "value to the maximum possible value,\n" + "InnoDB: in effect disabling the AUTOINC " + "next value generation.\n" + "InnoDB: You can either set the next " + "AUTOINC value explicitly using ALTER TABLE\n" + "InnoDB: or fix the data dictionary by " + "recreating the table.\n", + col_name, index->table->name); + + my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + break; + default: + /* row_search_max_autoinc() should only return + one of DB_SUCCESS or DB_RECORD_NOT_FOUND. */ + ut_error; + } } dict_table_autoinc_initialize(prebuilt->table, auto_inc); - - return(DB_SUCCESS); } /*****************************************************************//** @@ -3269,8 +3360,6 @@ retry: /* Only if the table has an AUTOINC column. */ if (prebuilt->table != NULL && table->found_next_number_field != NULL) { - ulint error; - dict_table_autoinc_lock(prebuilt->table); /* Since a table can already be "open" in InnoDB's internal @@ -3279,8 +3368,7 @@ retry: autoinc value from a previous MySQL open. */ if (dict_table_autoinc_read(prebuilt->table) == 0) { - error = innobase_initialize_autoinc(); - ut_a(error == DB_SUCCESS); + innobase_initialize_autoinc(); } dict_table_autoinc_unlock(prebuilt->table); @@ -4096,67 +4184,6 @@ skip_field: } } -/********************************************************************//** -Get the upper limit of the MySQL integral and floating-point type. */ -UNIV_INTERN -ulonglong -ha_innobase::innobase_get_int_col_max_value( -/*========================================*/ - const Field* field) -{ - ulonglong max_value = 0; - - switch(field->key_type()) { - /* TINY */ - case HA_KEYTYPE_BINARY: - max_value = 0xFFULL; - break; - case HA_KEYTYPE_INT8: - max_value = 0x7FULL; - break; - /* SHORT */ - case HA_KEYTYPE_USHORT_INT: - max_value = 0xFFFFULL; - break; - case HA_KEYTYPE_SHORT_INT: - max_value = 0x7FFFULL; - break; - /* MEDIUM */ - case HA_KEYTYPE_UINT24: - max_value = 0xFFFFFFULL; - break; - case HA_KEYTYPE_INT24: - max_value = 0x7FFFFFULL; - break; - /* LONG */ - case HA_KEYTYPE_ULONG_INT: - max_value = 0xFFFFFFFFULL; - break; - case HA_KEYTYPE_LONG_INT: - max_value = 0x7FFFFFFFULL; - break; - /* BIG */ - case HA_KEYTYPE_ULONGLONG: - max_value = 0xFFFFFFFFFFFFFFFFULL; - break; - case HA_KEYTYPE_LONGLONG: - max_value = 0x7FFFFFFFFFFFFFFFULL; - break; - case HA_KEYTYPE_FLOAT: - /* We use the maximum as per IEEE754-2008 standard, 2^24 */ - max_value = 0x1000000ULL; - break; - case HA_KEYTYPE_DOUBLE: - /* We use the maximum as per IEEE754-2008 standard, 2^53 */ - max_value = 0x20000000000000ULL; - break; - default: - ut_error; - } - - return(max_value); -} - /********************************************************************//** This special handling is really to overcome the limitations of MySQL's binlogging. We need to eliminate the non-determinism that will arise in diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 31e88ed8530..0e366a1eb2c 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -91,9 +91,8 @@ class ha_innobase: public handler ulint innobase_reset_autoinc(ulonglong auto_inc); ulint innobase_get_autoinc(ulonglong* value); ulint innobase_update_autoinc(ulonglong auto_inc); - ulint innobase_initialize_autoinc(); + void innobase_initialize_autoinc(); dict_index_t* innobase_get_index(uint keynr); - ulonglong innobase_get_int_col_max_value(const Field* field); /* Init values for the class: */ public: diff --git a/include/mem0dbg.h b/include/mem0dbg.h index a064af5c678..8ddf4a13cba 100644 --- a/include/mem0dbg.h +++ b/include/mem0dbg.h @@ -28,6 +28,13 @@ Created 6/9/1994 Heikki Tuuri check fields whose sizes are given below */ #ifdef UNIV_MEM_DEBUG +# ifndef UNIV_HOTBACKUP +/* The mutex which protects in the debug version the hash table +containing the list of live memory heaps, and also the global +variables in mem0dbg.c. */ +extern mutex_t mem_hash_mutex; +# endif /* !UNIV_HOTBACKUP */ + #define MEM_FIELD_HEADER_SIZE ut_calc_align(2 * sizeof(ulint),\ UNIV_MEM_ALIGNMENT) #define MEM_FIELD_TRAILER_SIZE sizeof(ulint) diff --git a/include/mem0dbg.ic b/include/mem0dbg.ic index cb9245411dc..9c6e5a78263 100644 --- a/include/mem0dbg.ic +++ b/include/mem0dbg.ic @@ -25,9 +25,6 @@ Created 6/8/1994 Heikki Tuuri *************************************************************************/ #ifdef UNIV_MEM_DEBUG -# ifndef UNIV_HOTBACKUP -extern mutex_t mem_hash_mutex; -# endif /* !UNIV_HOTBACKUP */ extern ulint mem_current_allocated_memory; /******************************************************************//** diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index 01eda20ec45..4973ead4213 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -180,6 +180,10 @@ mem_close(void) { mem_pool_free(mem_comm_pool); mem_comm_pool = NULL; +#ifdef UNIV_MEM_DEBUG + mutex_free(&mem_hash_mutex); + mem_hash_initialized = FALSE; +#endif /* UNIV_MEM_DEBUG */ } #endif /* !UNIV_HOTBACKUP */ diff --git a/row/row0mysql.c b/row/row0mysql.c index 7a43d0f3b92..e9fd12e9747 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -3255,19 +3255,13 @@ check_next_foreign: "END;\n" , FALSE, trx); - if (err != DB_SUCCESS) { - ut_a(err == DB_OUT_OF_FILE_SPACE); - - err = DB_MUST_GET_MORE_FILE_SPACE; - - row_mysql_handle_errors(&err, trx, NULL, NULL); - - ut_error; - } else { + switch (err) { ibool is_temp; const char* name_or_path; mem_heap_t* heap; + case DB_SUCCESS: + heap = mem_heap_create(200); /* Clone the name, in case it has been allocated @@ -3333,7 +3327,27 @@ check_next_foreign: } mem_heap_free(heap); + break; + + case DB_TOO_MANY_CONCURRENT_TRXS: + /* Cannot even find a free slot for the + the undo log. We can directly exit here + and return the DB_TOO_MANY_CONCURRENT_TRXS + error. */ + break; + + case DB_OUT_OF_FILE_SPACE: + err = DB_MUST_GET_MORE_FILE_SPACE; + + row_mysql_handle_errors(&err, trx, NULL, NULL); + + /* Fall through to raise error */ + + default: + /* No other possible error returns */ + ut_error; } + funct_exit: if (locked_dictionary) { diff --git a/row/row0sel.c b/row/row0sel.c index 23cd97f6826..e14f29d8d64 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -132,7 +132,8 @@ index record. NOTE: the comparison is NOT done as a binary comparison, but character fields are compared with collation! @return TRUE if the secondary record is equal to the corresponding -fields in the clustered record, when compared with collation */ +fields in the clustered record, when compared with collation; +FALSE if not equal or if the clustered record has been marked for deletion */ static ibool row_sel_sec_rec_is_for_clust_rec( @@ -2977,6 +2978,7 @@ row_sel_get_clust_rec_for_mysql( if (clust_rec && (old_vers + || trx->isolation_level <= TRX_ISO_READ_UNCOMMITTED || rec_get_deleted_flag(rec, dict_table_is_comp( sec_index->table))) && !row_sel_sec_rec_is_for_clust_rec( diff --git a/sync/sync0sync.c b/sync/sync0sync.c index c1f9ecd5fe1..01c809ec1f8 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -315,6 +315,15 @@ mutex_free( ut_a(mutex_get_lock_word(mutex) == 0); ut_a(mutex_get_waiters(mutex) == 0); +#ifdef UNIV_MEM_DEBUG + if (mutex == &mem_hash_mutex) { + ut_ad(UT_LIST_GET_LEN(mutex_list) == 1); + ut_ad(UT_LIST_GET_FIRST(mutex_list) == &mem_hash_mutex); + UT_LIST_REMOVE(list, mutex_list, mutex); + goto func_exit; + } +#endif /* UNIV_MEM_DEBUG */ + if (mutex != &mutex_list_mutex #ifdef UNIV_SYNC_DEBUG && mutex != &sync_thread_mutex @@ -336,7 +345,9 @@ mutex_free( } os_event_free(mutex->event); - +#ifdef UNIV_MEM_DEBUG +func_exit: +#endif /* UNIV_MEM_DEBUG */ #if !defined(HAVE_ATOMIC_BUILTINS) os_fast_mutex_free(&(mutex->os_fast_mutex)); #endif @@ -1371,6 +1382,12 @@ sync_close(void) mutex = UT_LIST_GET_FIRST(mutex_list); while (mutex) { +#ifdef UNIV_MEM_DEBUG + if (mutex == &mem_hash_mutex) { + mutex = UT_LIST_GET_NEXT(list, mutex); + continue; + } +#endif /* UNIV_MEM_DEBUG */ mutex_free(mutex); mutex = UT_LIST_GET_FIRST(mutex_list); } From 6b7f0fc9f30b81bc87d44be24898e4c46c172d89 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Thu, 21 Jan 2010 17:58:36 +0000 Subject: [PATCH 153/400] branches/innodb+: Merge revisions 6448:6504 from branches/zip: ------------------------------------------------------------------------ r6449 | marko | 2010-01-13 15:38:53 -0500 (Wed, 13 Jan 2010) | 18 lines branches/zip: lock_rec_validate_page(): Only validate the record queues when the thread is not holding a space->latch. When UNIV_DEBUG is defined while UNIV_SYNC_DEBUG is not, latching order violations will still occur and deadlocks will be possible. sync_thread_levels_nonempty_gen(): Renamed from sync_thread_levels_empty_gen(). Return the violating latch or NULL instead of FALSE or TRUE, except that there will be a ut_error before the non-NULL return. sync_thread_levels_empty_gen(): A macro that negates the return value of sync_thread_levels_nonempty_gen(). sync_thread_levels_contains(): New function, based on sync_thread_levels_nonempty_gen(). This should fix Issue #441. ------------------------------------------------------------------------ r6463 | marko | 2010-01-14 08:43:37 -0500 (Thu, 14 Jan 2010) | 5 lines branches/zip: page_copy_rec_list_end(), page_copy_rec_list_start(): Update PAGE_MAX_TRX_ID before attempting to compress the page. This fixes Issue #382 (a debug assertion failure in page_zip_reorganize()) and reduces the generated redo log. There was no bug or crash in non-debug builds. ------------------------------------------------------------------------ r6467 | inaam | 2010-01-14 13:46:00 -0500 (Thu, 14 Jan 2010) | 10 lines branches/zip rb://226 log_sys->written_to_all_lsn does not accurately represent the LSN upto which write and flush has taken place. Under a race condition it can fall behind log_sys->flushed_to_disk_lsn which is accurate. Besides written_to_all_lsn is redundant as currently InnoDB supports only one log group. Approved by: Heikki ------------------------------------------------------------------------ r6472 | calvin | 2010-01-15 18:53:47 -0500 (Fri, 15 Jan 2010) | 12 lines branches/zip: Merge revisions 6425:6471 from branches/5.1 to pick up the first part fix of bug49396. ------------------------------------------------------------------------ r6471 | calvin | 2010-01-15 17:43:27 -0600 (Fri, 15 Jan 2010) | 4 lines branches/5.1: fix bug#49396: main.innodb test fails in embedded mode Change replace_result by using $MYSQLD_DATADIR. Tested in both embedded mode and normal server mode. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6473 | calvin | 2010-01-15 18:58:16 -0500 (Fri, 15 Jan 2010) | 6 lines branches/zip: fix bug#49396: innodb.innodb-index test fails in embedded mode This is 2nd part of the fix for bug#49396. The 1st part is innodb.test. Tested in both embedded mode and normal server mode. ------------------------------------------------------------------------ r6498 | marko | 2010-01-21 04:22:52 -0500 (Thu, 21 Jan 2010) | 15 lines branches/zip: buf_page_get_gen(): Obey recv_no_ibuf_operations and do not call ibuf_merge_or_delete_for_page() in crash recovery, before the redo log has been applied. This could cure some hard-to-repeat, hard-to-explain bugs related to secondary indexes. A possible recipe to repeat the bug: 1. update a secondary index leaf page on a compressed table 2. evict the page from the buffer pool while it is still dirty 3. ibuf_insert() something for the page 4. crash 5. crash recovery; ibuf merge would be done too early, before applying redo log to the sec index page or the ibuf pages ------------------------------------------------------------------------ --- ChangeLog | 6 ++++ buf/buf0buf.c | 2 +- include/log0log.h | 12 ++++++- include/sync0sync.h | 21 ++++++++--- lock/lock0lock.c | 7 ++++ log/log0log.c | 2 +- mysql-test/innodb-index.test | 6 +++- mysql-test/innodb.test | 6 ++-- page/page0page.c | 34 ++++++++++-------- sync/sync0sync.c | 68 +++++++++++++++++++++++++++++++----- 10 files changed, 130 insertions(+), 34 deletions(-) diff --git a/ChangeLog b/ChangeLog index c0ad21cd132..45f99504b67 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2010-01-21 The InnoDB Team + + * buf/buf0buf.c: + Do not merge buffered inserts to compressed pages before + the redo log has been applied in crash recovery. + 2010-01-13 The InnoDB Team * row/row0sel.c: diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 2e44bc89ca0..100f7ed20a7 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2311,7 +2311,7 @@ wait_until_unfixed: while not holding buf_pool_mutex or block->mutex. */ success = buf_zip_decompress(block, srv_use_checksums); - if (UNIV_LIKELY(success)) { + if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) { ibuf_merge_or_delete_for_page(block, space, offset, zip_size, TRUE); } diff --git a/include/log0log.h b/include/log0log.h index 135aeb69e2d..233714eb63a 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -825,7 +825,17 @@ struct log_struct{ written to some log group; for this to be advanced, it is enough that the write i/o has been completed for all - log groups */ + log groups. + Note that since InnoDB currently + has only one log group therefore + this value is redundant. Also it + is possible that this value + falls behind the + flushed_to_disk_lsn transiently. + It is appropriate to use either + flushed_to_disk_lsn or + write_lsn which are always + up-to-date and accurate. */ ib_uint64_t write_lsn; /*!< end lsn for the current running write */ ulint write_end_offset;/*!< the data in buffer has diff --git a/include/sync0sync.h b/include/sync0sync.h index 92f9415f15c..7b39e08d6f7 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -238,16 +238,27 @@ ibool sync_thread_levels_empty(void); /*==========================*/ /******************************************************************//** -Checks that the level array for the current thread is empty. -@return TRUE if empty except the exceptions specified below */ +Checks if the level array for the current thread contains a +mutex or rw-latch at the specified level. +@return a matching latch, or NULL if not found */ UNIV_INTERN -ibool -sync_thread_levels_empty_gen( -/*=========================*/ +void* +sync_thread_levels_contains( +/*========================*/ + ulint level); /*!< in: latching order level + (SYNC_DICT, ...)*/ +/******************************************************************//** +Checks if the level array for the current thread is empty. +@return a latch, or NULL if empty except the exceptions specified below */ +UNIV_INTERN +void* +sync_thread_levels_nonempty_gen( +/*============================*/ ibool dict_mutex_allowed); /*!< in: TRUE if dictionary mutex is allowed to be owned by the thread, also purge_is_running mutex is allowed */ +#define sync_thread_levels_empty_gen(d) (!sync_thread_levels_nonempty_gen(d)) /******************************************************************//** Gets the debug information for a reserved mutex. */ UNIV_INTERN diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 3db7c2b36bc..0fa67d31716 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -4766,6 +4766,13 @@ loop: || lock->trx->conc_state == TRX_PREPARED || lock->trx->conc_state == TRX_COMMITTED_IN_MEMORY); +# ifdef UNIV_SYNC_DEBUG + /* Only validate the record queues when this thread is not + holding a space->latch. Deadlocks are possible due to + latching order violation when UNIV_DEBUG is defined while + UNIV_SYNC_DEBUG is not. */ + if (!sync_thread_levels_contains(SYNC_FSP)) +# endif /* UNIV_SYNC_DEBUG */ for (i = nth_bit; i < lock_rec_get_n_bits(lock); i++) { if (i == 1 || lock_rec_get_nth_bit(lock, i)) { diff --git a/log/log0log.c b/log/log0log.c index 86c9f9b4130..063581055e9 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -2013,7 +2013,7 @@ log_checkpoint( return(TRUE); } - ut_ad(log_sys->written_to_all_lsn >= oldest_lsn); + ut_ad(log_sys->flushed_to_disk_lsn >= oldest_lsn); if (log_sys->n_pending_checkpoint_writes > 0) { /* A checkpoint write is running */ diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index 5b229f83bce..b0477e2f544 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -1,5 +1,7 @@ -- source include/have_innodb.inc +let $MYSQLD_DATADIR= `select @@datadir`; + let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; @@ -136,7 +138,9 @@ delete from t1; --error ER_CANT_DROP_FIELD_OR_KEY drop index dc on t4; # there is no foreign key dc on t3 ---replace_regex /'\.\/test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ +--replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLD_DATADIR ./ master-data/ '' --error ER_ERROR_ON_RENAME alter table t3 drop foreign key dc; alter table t4 drop foreign key dc; diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index fe588316535..aa824685b13 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -15,6 +15,8 @@ -- source include/have_innodb.inc +let $MYSQLD_DATADIR= `select @@datadir`; + # Save the original values of some variables in order to be able to # estimate how much they have changed during the tests. Previously this # test assumed that e.g. rows_deleted is 0 here and after deleting 23 @@ -1700,7 +1702,7 @@ set foreign_key_checks=0; create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; # Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' +--replace_result $MYSQLD_DATADIR ./ master-data/ '' -- error 1025 rename table t3 to t1; set foreign_key_checks=1; @@ -2340,7 +2342,7 @@ ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; # mysqltest first does replace_regex, then replace_result --replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ # Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' +--replace_result $MYSQLD_DATADIR ./ master-data/ '' --error 1025 ALTER TABLE t2 MODIFY a INT NOT NULL; DELETE FROM t1; diff --git a/page/page0page.c b/page/page0page.c index ab2ba60570e..17c40170e14 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -658,6 +658,14 @@ page_copy_rec_list_end( index, mtr); } + /* Update PAGE_MAX_TRX_ID on the uncompressed page. + Modifications will be redo logged and copied to the compressed + page in page_zip_compress() or page_zip_reorganize() below. */ + if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { + page_update_max_trx_id(new_block, NULL, + page_get_max_trx_id(page), mtr); + } + if (UNIV_LIKELY_NULL(new_page_zip)) { mtr_set_log_mode(mtr, log_mode); @@ -696,15 +704,10 @@ page_copy_rec_list_end( } } - /* Update the lock table, MAX_TRX_ID, and possible hash index */ + /* Update the lock table and possible hash index */ lock_move_rec_list_end(new_block, block, rec); - if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { - page_update_max_trx_id(new_block, new_page_zip, - page_get_max_trx_id(page), mtr); - } - btr_search_move_or_delete_hash_entries(new_block, block, index); return(ret); @@ -772,6 +775,16 @@ page_copy_rec_list_start( mem_heap_free(heap); } + /* Update PAGE_MAX_TRX_ID on the uncompressed page. + Modifications will be redo logged and copied to the compressed + page in page_zip_compress() or page_zip_reorganize() below. */ + if (dict_index_is_sec_or_ibuf(index) + && page_is_leaf(page_align(rec))) { + page_update_max_trx_id(new_block, NULL, + page_get_max_trx_id(page_align(rec)), + mtr); + } + if (UNIV_LIKELY_NULL(new_page_zip)) { mtr_set_log_mode(mtr, log_mode); @@ -809,14 +822,7 @@ page_copy_rec_list_start( } } - /* Update MAX_TRX_ID, the lock table, and possible hash index */ - - if (dict_index_is_sec_or_ibuf(index) - && page_is_leaf(page_align(rec))) { - page_update_max_trx_id(new_block, new_page_zip, - page_get_max_trx_id(page_align(rec)), - mtr); - } + /* Update the lock table and possible hash index */ lock_move_rec_list_start(new_block, block, rec, ret); diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 01c809ec1f8..44f1cba2164 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -958,12 +958,62 @@ sync_thread_levels_contain( } /******************************************************************//** -Checks that the level array for the current thread is empty. -@return TRUE if empty except the exceptions specified below */ +Checks if the level array for the current thread contains a +mutex or rw-latch at the specified level. +@return a matching latch, or NULL if not found */ UNIV_INTERN -ibool -sync_thread_levels_empty_gen( -/*=========================*/ +void* +sync_thread_levels_contains( +/*========================*/ + ulint level) /*!< in: latching order level + (SYNC_DICT, ...)*/ +{ + sync_level_t* arr; + sync_thread_t* thread_slot; + sync_level_t* slot; + ulint i; + + if (!sync_order_checks_on) { + + return(NULL); + } + + mutex_enter(&sync_thread_mutex); + + thread_slot = sync_thread_level_arrays_find_slot(); + + if (thread_slot == NULL) { + + mutex_exit(&sync_thread_mutex); + + return(NULL); + } + + arr = thread_slot->levels; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(arr, i); + + if (slot->latch != NULL && slot->level == level) { + + mutex_exit(&sync_thread_mutex); + return(slot->latch); + } + } + + mutex_exit(&sync_thread_mutex); + + return(NULL); +} + +/******************************************************************//** +Checks that the level array for the current thread is empty. +@return a latch, or NULL if empty except the exceptions specified below */ +UNIV_INTERN +void* +sync_thread_levels_nonempty_gen( +/*============================*/ ibool dict_mutex_allowed) /*!< in: TRUE if dictionary mutex is allowed to be owned by the thread, also purge_is_running mutex is @@ -976,7 +1026,7 @@ sync_thread_levels_empty_gen( if (!sync_order_checks_on) { - return(TRUE); + return(NULL); } mutex_enter(&sync_thread_mutex); @@ -987,7 +1037,7 @@ sync_thread_levels_empty_gen( mutex_exit(&sync_thread_mutex); - return(TRUE); + return(NULL); } arr = thread_slot->levels; @@ -1004,13 +1054,13 @@ sync_thread_levels_empty_gen( mutex_exit(&sync_thread_mutex); ut_error; - return(FALSE); + return(slot->latch); } } mutex_exit(&sync_thread_mutex); - return(TRUE); + return(NULL); } /******************************************************************//** From c9a465bb140ba34a2b60f35bd94dba7d15d00297 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 4 Feb 2010 14:29:14 +0000 Subject: [PATCH 154/400] branches/innodb+: Merge revisions 6504:6560 from branches/zip: ------------------------------------------------------------------------ r6521 | marko | 2010-01-27 10:49:01 +0200 (Wed, 27 Jan 2010) | 17 lines branches/zip: Drop temporary tables at startup. This addresses the third aspect of Bug #41609. row_mysql_drop_temp_tables(): New function, to drop all temporary tables. These can be distinguished by the least significant bit of MIX_LEN. However, we will skip ROW_FORMAT=REDUNDANT tables, because in the records for those tables, that bit may be garbage. recv_recovery_from_checkpoint_finish(): Invoke row_mysql_drop_temp_tables(). Normally, if the .frm files for the temporary tables exist at startup, MySQL will ask InnoDB to drop the temporary tables. However, if the files are deleted, for instance, by the boot scripts of the operating system, the tables would remain in the InnoDB data dictionary unless someone digs them up by innodb_table_monitor and creates .frm files for dropping the tables. rb://221 approved by Sunny Bains. ------------------------------------------------------------------------ r6525 | marko | 2010-01-28 16:23:15 +0200 (Thu, 28 Jan 2010) | 11 lines branches/zip: buf_LRU_invalidate_tablespace(): Do not unnecessarily acquire the block_mutex for every block in the LRU list. Only acquire it when holding buf_pool_mutex is not sufficient. This should speed up the function and considerably reduce traffic on the memory bus and caches. I noticed this deficiency when working on Issue #157. This deficiency popped up again in Issue #449 (Bug #35077), which this fix does not fully address. rb://78 revision 1 approved by Heikki Tuuri. ------------------------------------------------------------------------ r6526 | jyang | 2010-01-28 18:12:40 +0200 (Thu, 28 Jan 2010) | 8 lines branches/zip: Add index translation table to map mysql index number to InnoDB index structure directly. Fix Bug #47622: "the new index is added before the existing ones in MySQL, but after one in SE". rb://215, approved by Marko ------------------------------------------------------------------------ r6527 | vasil | 2010-01-29 14:39:48 +0200 (Fri, 29 Jan 2010) | 6 lines branches/zip: Extend the comment about row_mysql_handle_errors(). Suggested by: Heikki ------------------------------------------------------------------------ r6533 | calvin | 2010-01-29 23:31:59 +0200 (Fri, 29 Jan 2010) | 4 lines branches/zip: remove duplicated copyright and license info. ------------------------------------------------------------------------ r6534 | sunny | 2010-01-29 23:42:49 +0200 (Fri, 29 Jan 2010) | 15 lines branches/zip: Two changes to fix the problem: 1. First scan the joining transaction's locks and check if no other transaction is waiting for a lock held by the joining transaction. If no other transaction is waiting then no deadlock an occur and we avoid doing an exhaustive search. 2. Change the direction of the lock traversal from backward to forward. Previously we traversed backward from the lock that has to wait, the function to that fetched the previous node was very inefficient resulting in O(n^2) access to the rec lock list. Fix Bug #49047 InnoDB deadlock detection is CPU intensive with many locks on a single row. rb://218 ------------------------------------------------------------------------ r6539 | marko | 2010-02-01 11:31:12 +0200 (Mon, 01 Feb 2010) | 75 lines branches/zip: Merge revisions 6471:6538 from branches/5.1: ------------------------------------------------------------------------ r6488 | sunny | 2010-01-21 02:55:08 +0200 (Thu, 21 Jan 2010) | 2 lines Changed paths: M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Factor out test for bug#44030 from innodb-autoinc.test into a separate test/result files. ------------------------------------------------------------------------ r6489 | sunny | 2010-01-21 02:57:50 +0200 (Thu, 21 Jan 2010) | 2 lines Changed paths: A /branches/5.1/mysql-test/innodb-autoinc-44030.result A /branches/5.1/mysql-test/innodb-autoinc-44030.test branches/5.1: Factor out test for bug#44030 from innodb-autoinc.test into a separate test/result files. ------------------------------------------------------------------------ r6492 | sunny | 2010-01-21 09:38:35 +0200 (Thu, 21 Jan 2010) | 1 line Changed paths: M /branches/5.1/mysql-test/innodb-autoinc-44030.test branches/5.1: Add reference to bug#47621 in the comment. ------------------------------------------------------------------------ r6535 | sunny | 2010-01-30 00:08:40 +0200 (Sat, 30 Jan 2010) | 11 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Undo the change from r6424. We need to return DB_SUCCESS even if we were unable to initialize the tabe autoinc value. This is required for the open to succeed. The only condition we currently treat as a hard error is if the autoinc field instance passed in by MySQL is NULL. Previously if the table autoinc value was 0 and the next value was requested we had an assertion that would fail. Change that assertion and treat a value of 0 to mean that the autoinc system is unavailable. Generation of next value will now return failure. rb://237 ------------------------------------------------------------------------ r6536 | sunny | 2010-01-30 00:13:42 +0200 (Sat, 30 Jan 2010) | 6 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Check *first_value everytime against the column max value and set *first_value to next autoinc if it's > col max value. ie. not rely on what is passed in from MySQL. [49497] Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value rb://236 ------------------------------------------------------------------------ r6537 | sunny | 2010-01-30 00:35:00 +0200 (Sat, 30 Jan 2010) | 2 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Undo r6536. ------------------------------------------------------------------------ r6538 | sunny | 2010-01-30 00:43:06 +0200 (Sat, 30 Jan 2010) | 6 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb-autoinc.result M /branches/5.1/mysql-test/innodb-autoinc.test branches/5.1: Check *first_value every time against the column max value and set *first_value to next autoinc if it's > col max value. ie. not rely on what is passed in from MySQL. [49497] Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value rb://236 ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6540 | marko | 2010-02-01 11:35:13 +0200 (Mon, 01 Feb 2010) | 1 line branches/zip: ChangeLog: Document the merge of 6471:6538 from branches/5.1. ------------------------------------------------------------------------ r6546 | jyang | 2010-02-03 11:05:24 +0200 (Wed, 03 Feb 2010) | 9 lines branches/zip: Relax assertion on the number of index defined in InnoDB must be comparable with that of MySQL to tolerate possible dictionary inconsistency. Fix Mantis issue #455, "UNIV_DEBUG+ assert ha_innodb.cc:3152 ib_num_index >= mysql_num_index". rb://248 Approved by Marko. ------------------------------------------------------------------------ r6547 | marko | 2010-02-03 14:43:38 +0200 (Wed, 03 Feb 2010) | 14 lines branches/zip: Clean up CHECK TABLE error handling. (Issue #220) ha_innobase::change_active_index(): Clean up code formatting. ha_innobase::check(): Incorporate the code from row_check_table_for_mysql(). Report errors to the client connection instead of writing them to the error log. row_check_table_for_mysql(): Remove. row_check_index_for_mysql(): Renamed from row_scan_and_check_index(). Let the caller initialize prebuilt, and assume that the index is usable. rb://178 approved by Sunny Bains ------------------------------------------------------------------------ r6548 | marko | 2010-02-03 15:01:39 +0200 (Wed, 03 Feb 2010) | 11 lines branches/zip: buf_LRU_invalidate_tablespace(): Ensure that prev_bpage is not relocated when freeing a compressed block. This avoids the costly rescan of the LRU list. (Bug #35077, Issue #449) At most one buffer-fix will be active at a time, affecting two blocks: the buf_page_t and the compressed page frame. This should not block the memory defragmentation in buf0buddy.c too much. In fact, it may avoid unnecessary copying if also prev_bpage belongs to the tablespace that is being invalidated. rb://240 ------------------------------------------------------------------------ r6559 | marko | 2010-02-04 13:21:18 +0200 (Thu, 04 Feb 2010) | 14 lines branches/zip: Pass the file name and line number of the caller of the b-tree cursor functions to the buffer pool requests, in order to make the latch diagnostics more accurate. buf_page_optimistic_get_func(): Renamed to buf_page_optimistic_get(). btr_page_get_father_node_ptr(), btr_insert_on_non_leaf_level(), btr_pcur_open(), btr_pcur_open_with_no_init(), btr_pcur_open_on_user_rec(), btr_pcur_open_at_rnd_pos(), btr_pcur_restore_position(), btr_cur_open_at_index_side(), btr_cur_open_at_rnd_pos(): Rename the function to _func and add the parameters file, line. Define wrapper macros with __FILE__, __LINE__. btr_cur_search_to_nth_level(): Add the parameters file, line. ------------------------------------------------------------------------ r6560 | sunny | 2010-02-04 16:11:23 +0200 (Thu, 04 Feb 2010) | 7 lines branches/zip: Remove the additional check introduced in r6534 which tries to check if the joining transaction has any other transactions waiting on its locks. This optimization results in excessive deadlocks when running Sysbench with a large number of threads. The function seems to return FALSE positives. rb://250 ------------------------------------------------------------------------ --- ChangeLog | 36 ++ btr/btr0btr.c | 20 +- btr/btr0cur.c | 26 +- btr/btr0pcur.c | 22 +- buf/buf0buf.c | 4 +- buf/buf0lru.c | 90 ++++- handler/ha_innodb.cc | 523 ++++++++++++++++++++++--- handler/ha_innodb.h | 30 +- handler/handler0alter.cc | 8 + include/btr0btr.h | 8 +- include/btr0cur.h | 18 +- include/btr0pcur.h | 41 +- include/btr0pcur.ic | 28 +- include/buf0buf.h | 10 +- include/log0log.h | 17 - include/os0file.h | 17 - include/row0mysql.h | 21 +- include/srv0srv.h | 34 +- include/trx0trx.h | 8 +- lock/lock0lock.c | 71 +++- log/log0log.c | 17 - log/log0recv.c | 2 + mysql-test/innodb-autoinc-44030.result | 30 ++ mysql-test/innodb-autoinc-44030.test | 34 ++ mysql-test/innodb-autoinc.result | 112 ++++-- mysql-test/innodb-autoinc.test | 53 +-- mysql-test/innodb_bug47622.result | 23 ++ mysql-test/innodb_bug47622.test | 55 +++ os/os0file.c | 17 - row/row0ins.c | 9 +- row/row0mysql.c | 245 +++++------- srv/srv0srv.c | 34 +- srv/srv0start.c | 34 +- 33 files changed, 1178 insertions(+), 519 deletions(-) create mode 100644 mysql-test/innodb-autoinc-44030.result create mode 100644 mysql-test/innodb-autoinc-44030.test create mode 100644 mysql-test/innodb_bug47622.result create mode 100644 mysql-test/innodb_bug47622.test diff --git a/ChangeLog b/ChangeLog index 45f99504b67..d727501ea9a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,39 @@ +2010-02-04 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, btr/btr0pcur.c, buf/buf0buf.c, + include/btr0btr.h, include/btr0cur.h, include/btr0pcur.h, + include/btr0pcur.ic, include/buf0buf.h, row/row0ins.c, row/row0sel.c: + Pass the file name and line number of the caller of the + b-tree cursor functions to the buffer pool requests, in order + to make the latch diagnostics more accurate. + +2010-02-03 The InnoDB Team + + * buf/buf0lru.c: + Fix Bug#35077 Very slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) + on compressed tables + +2010-02-03 The InnoDB Team + + * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: + Clean up CHECK TABLE error handling. + +2010-02-01 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.test, + mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc-44030.test, + mysql-test/innodb-autoinc-44030.result: + Fix Bug#49497 Error 1467 (ER_AUTOINC_READ_FAILED) on inserting + a negative value + +2010-01-27 The InnoDB Team + + * include/row0mysql.h, log/log0recv.c, row/row0mysql.c: + Drop temporary tables at startup. + This addresses the third aspect of + Bug#41609 Crash recovery does not work for InnoDB temporary tables. + 2010-01-21 The InnoDB Team * buf/buf0buf.c: diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 66aaa9d759f..b3f7cc092dd 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -592,13 +592,15 @@ an x-latch on the tree. @return rec_get_offsets() of the node pointer record */ static ulint* -btr_page_get_father_node_ptr( -/*=========================*/ +btr_page_get_father_node_ptr_func( +/*==============================*/ ulint* offsets,/*!< in: work area for the return value */ mem_heap_t* heap, /*!< in: memory heap to use */ btr_cur_t* cursor, /*!< in: cursor pointing to user record, out: cursor on node pointer record, its page x-latched */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { page_t* page; @@ -625,7 +627,8 @@ btr_page_get_father_node_ptr( tuple = dict_index_build_node_ptr(index, user_rec, 0, heap, level); btr_cur_search_to_nth_level(index, level + 1, tuple, PAGE_CUR_LE, - BTR_CONT_MODIFY_TREE, cursor, 0, mtr); + BTR_CONT_MODIFY_TREE, cursor, 0, + file, line, mtr); node_ptr = btr_cur_get_rec(cursor); ut_ad(!page_rec_is_comp(node_ptr) @@ -673,6 +676,9 @@ btr_page_get_father_node_ptr( return(offsets); } +#define btr_page_get_father_node_ptr(of,heap,cur,mtr) \ + btr_page_get_father_node_ptr_func(of,heap,cur,__FILE__,__LINE__,mtr) + /************************************************************//** Returns the upper level node pointer to a page. It is assumed that mtr holds an x-latch on the tree. @@ -1665,11 +1671,13 @@ Inserts a data tuple to a tree on a non-leaf level. It is assumed that mtr holds an x-latch on the tree. */ UNIV_INTERN void -btr_insert_on_non_leaf_level( -/*=========================*/ +btr_insert_on_non_leaf_level_func( +/*==============================*/ dict_index_t* index, /*!< in: index */ ulint level, /*!< in: level, must be > 0 */ dtuple_t* tuple, /*!< in: the record to be inserted */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { big_rec_t* dummy_big_rec; @@ -1681,7 +1689,7 @@ btr_insert_on_non_leaf_level( btr_cur_search_to_nth_level(index, level, tuple, PAGE_CUR_LE, BTR_CONT_MODIFY_TREE, - &cursor, 0, mtr); + &cursor, 0, file, line, mtr); err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG | BTR_KEEP_SYS_FLAG diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 7cf9857578f..67178af4d2a 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -352,6 +352,8 @@ btr_cur_search_to_nth_level( ulint has_search_latch,/*!< in: info on the latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { page_t* page; @@ -589,7 +591,7 @@ search_loop: retry_page_get: block = buf_page_get_gen( space, zip_size, page_no, rw_latch, guess, buf_mode, - __FILE__, __LINE__, mtr); + file, line, mtr); if (block == NULL) { /* This must be a search to perform an insert/delete @@ -818,13 +820,15 @@ func_exit: Opens a cursor at either end of an index. */ UNIV_INTERN void -btr_cur_open_at_index_side( -/*=======================*/ +btr_cur_open_at_index_side_func( +/*============================*/ ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: latch mode */ btr_cur_t* cursor, /*!< in: cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; @@ -869,7 +873,7 @@ btr_cur_open_at_index_side( page_t* page; block = buf_page_get_gen(space, zip_size, page_no, RW_NO_LATCH, NULL, BUF_GET, - __FILE__, __LINE__, mtr); + file, line, mtr); page = buf_block_get_frame(block); ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); @@ -949,11 +953,13 @@ btr_cur_open_at_index_side( Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INTERN void -btr_cur_open_at_rnd_pos( -/*====================*/ +btr_cur_open_at_rnd_pos_func( +/*=========================*/ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { page_cur_t* page_cursor; @@ -988,7 +994,7 @@ btr_cur_open_at_rnd_pos( block = buf_page_get_gen(space, zip_size, page_no, RW_NO_LATCH, NULL, BUF_GET, - __FILE__, __LINE__, mtr); + file, line, mtr); page = buf_block_get_frame(block); ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); @@ -3242,7 +3248,8 @@ btr_estimate_n_rows_in_range( btr_cur_search_to_nth_level(index, 0, tuple1, mode1, BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, 0, &mtr); + &cursor, 0, + __FILE__, __LINE__, &mtr); } else { btr_cur_open_at_index_side(TRUE, index, BTR_SEARCH_LEAF | BTR_ESTIMATE, @@ -3259,7 +3266,8 @@ btr_estimate_n_rows_in_range( btr_cur_search_to_nth_level(index, 0, tuple2, mode2, BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, 0, &mtr); + &cursor, 0, + __FILE__, __LINE__, &mtr); } else { btr_cur_open_at_index_side(FALSE, index, BTR_SEARCH_LEAF | BTR_ESTIMATE, diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index ec98692c35b..436d1f252c3 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -205,10 +205,12 @@ record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ UNIV_INTERN ibool -btr_pcur_restore_position( -/*======================*/ +btr_pcur_restore_position_func( +/*===========================*/ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { dict_index_t* index; @@ -257,7 +259,8 @@ btr_pcur_restore_position( if (UNIV_LIKELY(buf_page_optimistic_get( latch_mode, cursor->block_when_stored, - cursor->modify_clock, mtr))) { + cursor->modify_clock, + file, line, mtr))) { cursor->pos_state = BTR_PCUR_IS_POSITIONED; buf_block_dbg_add_level(btr_pcur_get_block(cursor), @@ -312,8 +315,8 @@ btr_pcur_restore_position( mode = PAGE_CUR_L; } - btr_pcur_open_with_no_init(index, tuple, mode, latch_mode, - cursor, 0, mtr); + btr_pcur_open_with_no_init_func(index, tuple, mode, latch_mode, + cursor, 0, file, line, mtr); /* Restore the old search mode */ cursor->search_mode = old_mode; @@ -553,8 +556,8 @@ before first in tree. The latching mode must be BTR_SEARCH_LEAF or BTR_MODIFY_LEAF. */ UNIV_INTERN void -btr_pcur_open_on_user_rec( -/*======================*/ +btr_pcur_open_on_user_rec_func( +/*===========================*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ... */ @@ -562,9 +565,12 @@ btr_pcur_open_on_user_rec( BTR_MODIFY_LEAF */ btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { - btr_pcur_open(index, tuple, mode, latch_mode, cursor, mtr); + btr_pcur_open_func(index, tuple, mode, latch_mode, cursor, + file, line, mtr); if ((mode == PAGE_CUR_GE) || (mode == PAGE_CUR_G)) { diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 100f7ed20a7..c2022fba2a9 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2430,8 +2430,8 @@ page. @return TRUE if success */ UNIV_INTERN ibool -buf_page_optimistic_get_func( -/*=========================*/ +buf_page_optimistic_get( +/*====================*/ ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ buf_block_t* block, /*!< in: guessed buffer block */ ib_uint64_t modify_clock,/*!< in: modify clock value if mode is diff --git a/buf/buf0lru.c b/buf/buf0lru.c index d0dbce9979c..0a21ca161a6 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -350,17 +350,31 @@ scan_again: bpage = UT_LIST_GET_LAST(buf_pool->LRU); while (bpage != NULL) { - mutex_t* block_mutex = buf_page_get_mutex(bpage); buf_page_t* prev_bpage; + ibool prev_bpage_buf_fix = FALSE; ut_a(buf_page_in_file(bpage)); - mutex_enter(block_mutex); prev_bpage = UT_LIST_GET_PREV(LRU, bpage); - if (buf_page_get_space(bpage) == id) { - if (bpage->buf_fix_count > 0 - || buf_page_get_io_fix(bpage) != BUF_IO_NONE) { + /* bpage->space and bpage->io_fix are protected by + buf_pool_mutex and block_mutex. It is safe to check + them while holding buf_pool_mutex only. */ + + if (buf_page_get_space(bpage) != id) { + /* Skip this block, as it does not belong to + the space that is being invalidated. */ + } else if (buf_page_get_io_fix(bpage) != BUF_IO_NONE) { + /* We cannot remove this page during this scan + yet; maybe the system is currently reading it + in, or flushing the modifications to the file */ + + all_freed = FALSE; + } else { + mutex_t* block_mutex = buf_page_get_mutex(bpage); + mutex_enter(block_mutex); + + if (bpage->buf_fix_count > 0) { /* We cannot remove this page during this scan yet; maybe the system is @@ -380,8 +394,40 @@ scan_again: (ulong) buf_page_get_page_no(bpage)); } #endif - if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE - && ((buf_block_t*) bpage)->is_hashed) { + if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { + /* This is a compressed-only block + descriptor. Ensure that prev_bpage + cannot be relocated when bpage is freed. */ + if (UNIV_LIKELY(prev_bpage != NULL)) { + switch (buf_page_get_state( + prev_bpage)) { + case BUF_BLOCK_FILE_PAGE: + /* Descriptors of uncompressed + blocks will not be relocated, + because we are holding the + buf_pool_mutex. */ + break; + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* Descriptors of compressed- + only blocks can be relocated, + unless they are buffer-fixed. + Because both bpage and + prev_bpage are protected by + buf_pool_zip_mutex, it is + not necessary to acquire + further mutexes. */ + ut_ad(&buf_pool_zip_mutex + == block_mutex); + ut_ad(mutex_own(block_mutex)); + prev_bpage_buf_fix = TRUE; + prev_bpage->buf_fix_count++; + break; + default: + ut_error; + } + } + } else if (((buf_block_t*) bpage)->is_hashed) { ulint page_no; ulint zip_size; @@ -405,7 +451,8 @@ scan_again: buf_flush_remove(bpage); } - /* Remove from the LRU list */ + /* Remove from the LRU list. */ + if (buf_LRU_block_remove_hashed_page(bpage, TRUE) != BUF_BLOCK_ZIP_FREE) { buf_LRU_block_free_hashed_page((buf_block_t*) @@ -417,18 +464,27 @@ scan_again: ut_ad(block_mutex == &buf_pool_zip_mutex); ut_ad(!mutex_own(block_mutex)); - /* The compressed block descriptor - (bpage) has been deallocated and - block_mutex released. Also, - buf_buddy_free() may have relocated - prev_bpage. Rescan the LRU list. */ + if (prev_bpage_buf_fix) { + /* We temporarily buffer-fixed + prev_bpage, so that + buf_buddy_free() could not + relocate it, in case it was a + compressed-only block + descriptor. */ - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - continue; + mutex_enter(block_mutex); + ut_ad(prev_bpage->buf_fix_count > 0); + prev_bpage->buf_fix_count--; + mutex_exit(block_mutex); + } + + goto next_page_no_mutex; } - } next_page: - mutex_exit(block_mutex); + mutex_exit(block_mutex); + } + +next_page_no_mutex: bpage = prev_bpage; } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 972430a5976..db63474501d 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -2,6 +2,7 @@ Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009 Google Inc. +Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -9,6 +10,13 @@ briefly in the InnoDB documentation. The contributions by Google are incorporated with their permission, and subject to the conditions contained in the file COPYING.Google. +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. @@ -22,32 +30,6 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ /* TODO list for the InnoDB handler in 5.0: - Remove the flag trx->active_trans and look at trx->conc_state @@ -3071,6 +3053,214 @@ innobase_get_int_col_max_value( return(max_value); } +/*******************************************************************//** +This function checks whether the index column information +is consistent between KEY info from mysql and that from innodb index. +@return TRUE if all column types match. */ +static +ibool +innobase_match_index_columns( +/*=========================*/ + const KEY* key_info, /*!< in: Index info + from mysql */ + const dict_index_t* index_info) /*!< in: Index info + from Innodb */ +{ + const KEY_PART_INFO* key_part; + const KEY_PART_INFO* key_end; + const dict_field_t* innodb_idx_fld; + const dict_field_t* innodb_idx_fld_end; + + DBUG_ENTER("innobase_match_index_columns"); + + /* Check whether user defined index column count matches */ + if (key_info->key_parts != index_info->n_user_defined_cols) { + DBUG_RETURN(FALSE); + } + + key_part = key_info->key_part; + key_end = key_part + key_info->key_parts; + innodb_idx_fld = index_info->fields; + innodb_idx_fld_end = index_info->fields + index_info->n_fields; + + /* Check each index column's datatype. We do not check + column name because there exists case that index + column name got modified in mysql but such change does not + propagate to InnoDB. + One hidden assumption here is that the index column sequences + are matched up between those in mysql and Innodb. */ + for (; key_part != key_end; ++key_part) { + ulint col_type; + ibool is_unsigned; + ulint mtype = innodb_idx_fld->col->mtype; + + /* Need to translate to InnoDB column type before + comparison. */ + col_type = get_innobase_type_from_mysql_type(&is_unsigned, + key_part->field); + + /* Ignore Innodb specific system columns. */ + while (mtype == DATA_SYS) { + innodb_idx_fld++; + + if (innodb_idx_fld >= innodb_idx_fld_end) { + DBUG_RETURN(FALSE); + } + } + + if (col_type != mtype) { + /* Column Type mismatches */ + DBUG_RETURN(FALSE); + } + + innodb_idx_fld++; + } + + DBUG_RETURN(TRUE); +} + +/*******************************************************************//** +This function builds a translation table in INNOBASE_SHARE +structure for fast index location with mysql array number from its +table->key_info structure. This also provides the necessary translation +between the key order in mysql key_info and Innodb ib_table->indexes if +they are not fully matched with each other. +Note we do not have any mutex protecting the translation table +building based on the assumption that there is no concurrent +index creation/drop and DMLs that requires index lookup. All table +handle will be closed before the index creation/drop. +@return TRUE if index translation table built successfully */ +static +ibool +innobase_build_index_translation( +/*=============================*/ + const TABLE* table, /*!< in: table in MySQL data + dictionary */ + dict_table_t* ib_table, /*!< in: table in Innodb data + dictionary */ + INNOBASE_SHARE* share) /*!< in/out: share structure + where index translation table + will be constructed in. */ +{ + ulint mysql_num_index; + ulint ib_num_index; + dict_index_t** index_mapping; + ibool ret = TRUE; + + DBUG_ENTER("innobase_build_index_translation"); + + mysql_num_index = table->s->keys; + ib_num_index = UT_LIST_GET_LEN(ib_table->indexes); + + index_mapping = share->idx_trans_tbl.index_mapping; + + /* If there exists inconsistency between MySQL and InnoDB dictionary + (metadata) information, the number of index defined in MySQL + could exceed that in InnoDB, do not build index translation + table in such case */ + if (UNIV_UNLIKELY(ib_num_index < mysql_num_index)) { + ret = FALSE; + goto func_exit; + } + + /* If index entry count is non-zero, nothing has + changed since last update, directly return TRUE */ + if (share->idx_trans_tbl.index_count) { + /* Index entry count should still match mysql_num_index */ + ut_a(share->idx_trans_tbl.index_count == mysql_num_index); + goto func_exit; + } + + /* The number of index increased, rebuild the mapping table */ + if (mysql_num_index > share->idx_trans_tbl.array_size) { + index_mapping = (dict_index_t**) my_realloc(index_mapping, + mysql_num_index * + sizeof(*index_mapping), + MYF(MY_ALLOW_ZERO_PTR)); + + if (!index_mapping) { + ret = FALSE; + goto func_exit; + } + + share->idx_trans_tbl.array_size = mysql_num_index; + } + + + /* For each index in the mysql key_info array, fetch its + corresponding InnoDB index pointer into index_mapping + array. */ + for (ulint count = 0; count < mysql_num_index; count++) { + + /* Fetch index pointers into index_mapping according to mysql + index sequence */ + index_mapping[count] = dict_table_get_index_on_name( + ib_table, table->key_info[count].name); + + if (!index_mapping[count]) { + sql_print_error("Cannot find index %s in InnoDB " + "index dictionary.", + table->key_info[count].name); + ret = FALSE; + goto func_exit; + } + + /* Double check fetched index has the same + column info as those in mysql key_info. */ + if (!innobase_match_index_columns(&table->key_info[count], + index_mapping[count])) { + sql_print_error("Found index %s whose column info " + "does not match that of MySQL.", + table->key_info[count].name); + ret = FALSE; + goto func_exit; + } + } + + /* Successfully built the translation table */ + share->idx_trans_tbl.index_count = mysql_num_index; + +func_exit: + if (!ret) { + /* Build translation table failed. */ + my_free(index_mapping, MYF(MY_ALLOW_ZERO_PTR)); + + share->idx_trans_tbl.array_size = 0; + share->idx_trans_tbl.index_count = 0; + index_mapping = NULL; + } + + share->idx_trans_tbl.index_mapping = index_mapping; + + DBUG_RETURN(ret); +} + +/*******************************************************************//** +This function uses index translation table to quickly locate the +requested index structure. +Note we do not have mutex protection for the index translatoin table +access, it is based on the assumption that there is no concurrent +translation table rebuild (fter create/drop index) and DMLs that +require index lookup. +@return dict_index_t structure for requested index. NULL if +fail to locate the index structure. */ +static +dict_index_t* +innobase_index_lookup( +/*==================*/ + INNOBASE_SHARE* share, /*!< in: share structure for index + translation table. */ + uint keynr) /*!< in: index number for the requested + index */ +{ + if (!share->idx_trans_tbl.index_mapping + || keynr >= share->idx_trans_tbl.index_count) { + return(NULL); + } + + return(share->idx_trans_tbl.index_mapping[keynr]); +} + /************************************************************************ Set the autoinc column max value. This should only be called once from ha_innobase::open(). Therefore there's no need for a covering lock. */ @@ -3086,9 +3276,9 @@ ha_innobase::innobase_initialize_autoinc() auto_inc = innobase_get_int_col_max_value(field); } else { /* We have no idea what's been passed in to us as the - autoinc column. We set it to the MAX_INT of our table - autoinc type. */ - auto_inc = 0xFFFFFFFFFFFFFFFFULL; + autoinc column. We set it to the 0, effectively disabling + updates to the table. */ + auto_inc = 0; ut_print_timestamp(stderr); fprintf(stderr, " InnoDB: Unable to determine the AUTOINC " @@ -3097,7 +3287,7 @@ ha_innobase::innobase_initialize_autoinc() if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { /* If the recovery level is set so high that writes - are disabled we force the AUTOINC counter to the MAX + are disabled we force the AUTOINC counter to 0 value effectively disabling writes to the table. Secondly, we avoid reading the table in case the read results in failure due to a corrupted table/index. @@ -3106,7 +3296,10 @@ ha_innobase::innobase_initialize_autoinc() tables can be dumped with minimal hassle. If an error were returned in this case, the first attempt to read the table would fail and subsequent SELECTs would succeed. */ + auto_inc = 0; } else if (field == NULL) { + /* This is a far more serious error, best to avoid + opening the table and return failure. */ my_error(ER_AUTOINC_READ_FAILED, MYF(0)); } else { dict_index_t* index; @@ -3135,7 +3328,7 @@ ha_innobase::innobase_initialize_autoinc() "InnoDB: Unable to find the AUTOINC column " "%s in the InnoDB table %s.\n" "InnoDB: We set the next AUTOINC column " - "value to the maximum possible value,\n" + "value to 0,\n" "InnoDB: in effect disabling the AUTOINC " "next value generation.\n" "InnoDB: You can either set the next " @@ -3144,7 +3337,13 @@ ha_innobase::innobase_initialize_autoinc() "recreating the table.\n", col_name, index->table->name); - my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + /* This will disable the AUTOINC generation. */ + auto_inc = 0; + + /* We want the open to succeed, so that the user can + take corrective action. ie. reads should succeed but + updates should fail. */ + err = DB_SUCCESS; break; default: /* row_search_max_autoinc() should only return @@ -3287,6 +3486,11 @@ retry: primary_key = table->s->primary_key; key_used_on_scan = primary_key; + if (!innobase_build_index_translation(table, ib_table, share)) { + sql_print_error("Build InnoDB index translation table for" + " Table %s failed", name); + } + /* Allocate a buffer for a 'row reference'. A row reference is a string of bytes of length ref_length which uniquely specifies a row in our table. Note that MySQL may also compare two row @@ -4409,11 +4613,17 @@ no_commit: prebuilt->autoinc_error = DB_SUCCESS; if ((error = update_auto_increment())) { - /* We don't want to mask autoinc overflow errors. */ - if (prebuilt->autoinc_error != DB_SUCCESS) { - error = (int) prebuilt->autoinc_error; + /* Handle the case where the AUTOINC sub-system + failed during initialization. */ + if (prebuilt->autoinc_error == DB_UNSUPPORTED) { + error_result = ER_AUTOINC_READ_FAILED; + /* Set the error message to report too. */ + my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + goto func_exit; + } else if (prebuilt->autoinc_error != DB_SUCCESS) { + error = (int) prebuilt->autoinc_error; goto report_error; } @@ -5202,8 +5412,27 @@ ha_innobase::innobase_get_index( if (keynr != MAX_KEY && table->s->keys > 0) { key = table->key_info + keynr; - index = dict_table_get_index_on_name(prebuilt->table, - key->name); + index = innobase_index_lookup(share, keynr); + + if (index) { + ut_a(ut_strcmp(index->name, key->name) == 0); + } else { + /* Can't find index with keynr in the translation + table. Only print message if the index translation + table exists */ + if (share->idx_trans_tbl.index_mapping) { + sql_print_error("InnoDB could not find " + "index %s key no %u for " + "table %s through its " + "index translation table", + key ? key->name : "NULL", + keynr, + prebuilt->table->name); + } + + index = dict_table_get_index_on_name(prebuilt->table, + key->name); + } } else { index = dict_table_get_first_index(prebuilt->table); } @@ -5264,7 +5493,7 @@ ha_innobase::change_active_index( dtuple_set_n_fields(prebuilt->search_tuple, prebuilt->index->n_fields); dict_index_copy_types(prebuilt->search_tuple, prebuilt->index, - prebuilt->index->n_fields); + prebuilt->index->n_fields); /* MySQL changes the active index for a handle also during some queries, for example SELECT MAX(a), SUM(a) first retrieves the MAX() @@ -6894,10 +7123,15 @@ ha_innobase::records_in_range( key = table->key_info + active_index; - index = dict_table_get_index_on_name(prebuilt->table, key->name); + index = innobase_get_index(keynr); - /* MySQL knows about this index and so we must be able to find it.*/ - ut_a(index); + /* There exists possibility of not being able to find requested + index due to inconsistency between MySQL and InoDB dictionary info. + Necessary message should have been printed in innobase_get_index() */ + if (UNIV_UNLIKELY(!index)) { + n_rows = HA_POS_ERROR; + goto func_exit; + } heap = mem_heap_create(2 * (key->key_parts * sizeof(dfield_t) + sizeof(dtuple_t))); @@ -6942,6 +7176,7 @@ ha_innobase::records_in_range( mem_heap_free(heap); +func_exit: my_free(key_val_buff2, MYF(0)); prebuilt->trx->op_info = (char*)""; @@ -7083,6 +7318,7 @@ ha_innobase::info( char path[FN_REFLEN]; os_file_stat_t stat_info; + DBUG_ENTER("info"); /* If we are forcing recovery at a high level, we will suppress @@ -7243,13 +7479,29 @@ ha_innobase::info( } if (flag & HA_STATUS_CONST) { - index = dict_table_get_first_index(ib_table); + /* Verify the number of index in InnoDB and MySQL + matches up. If prebuilt->clust_index_was_generated + holds, InnoDB defines GEN_CLUST_INDEX internally */ + ulint num_innodb_index = UT_LIST_GET_LEN(ib_table->indexes) + - prebuilt->clust_index_was_generated; - if (prebuilt->clust_index_was_generated) { - index = dict_table_get_next_index(index); + if (table->s->keys != num_innodb_index) { + sql_print_error("Table %s contains %lu " + "indexes inside InnoDB, which " + "is different from the number of " + "indexes %u defined in the MySQL ", + ib_table->name, num_innodb_index, + table->s->keys); } for (i = 0; i < table->s->keys; i++) { + /* We could get index quickly through internal + index mapping with the index translation table. + The identity of index (match up index name with + that of table->key_info[i]) is already verified in + innobase_get_index(). */ + index = innobase_get_index(i); + if (index == NULL) { sql_print_error("Table %s contains fewer " "indexes inside InnoDB than " @@ -7301,8 +7553,6 @@ ha_innobase::info( rec_per_key >= ~(ulong) 0 ? ~(ulong) 0 : (ulong) rec_per_key; } - - index = dict_table_get_next_index(index); } } @@ -7380,8 +7630,13 @@ ha_innobase::check( HA_CHECK_OPT* check_opt) /*!< in: check options, currently ignored */ { - ulint ret; + dict_index_t* index; + ulint n_rows; + ulint n_rows_in_table = ULINT_UNDEFINED; + ibool is_ok = TRUE; + ulint old_isolation_level; + DBUG_ENTER("ha_innobase::check"); DBUG_ASSERT(thd == ha_thd()); ut_a(prebuilt->trx); ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); @@ -7394,17 +7649,140 @@ ha_innobase::check( build_template(prebuilt, NULL, table, ROW_MYSQL_WHOLE_ROW); } - ret = row_check_table_for_mysql(prebuilt); - - switch (ret) { - case DB_SUCCESS: - return(HA_ADMIN_OK); - case DB_INTERRUPTED: - my_error(ER_QUERY_INTERRUPTED, MYF(0)); - return(-1); - default: - return(HA_ADMIN_CORRUPT); + if (prebuilt->table->ibd_file_missing) { + sql_print_error("InnoDB: Error:\n" + "InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir, or have you" + " used DISCARD TABLESPACE?\n" + "InnoDB: Please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + DBUG_RETURN(HA_ADMIN_CORRUPT); } + + prebuilt->trx->op_info = "checking table"; + + old_isolation_level = prebuilt->trx->isolation_level; + + /* We must run the index record counts at an isolation level + >= READ COMMITTED, because a dirty read can see a wrong number + of records in some index; to play safe, we use always + REPEATABLE READ here */ + + prebuilt->trx->isolation_level = TRX_ISO_REPEATABLE_READ; + + /* Enlarge the fatal lock wait timeout during CHECK TABLE. */ + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + for (index = dict_table_get_first_index(prebuilt->table); + index != NULL; + index = dict_table_get_next_index(index)) { +#if 0 + fputs("Validating index ", stderr); + ut_print_name(stderr, trx, FALSE, index->name); + putc('\n', stderr); +#endif + + if (!btr_validate_index(index, prebuilt->trx)) { + is_ok = FALSE; + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The B-tree of" + " index '%-.200s' is corrupted.", + index->name); + continue; + } + + /* Instead of invoking change_active_index(), set up + a dummy template for non-locking reads, disabling + access to the clustered index. */ + prebuilt->index = index; + + prebuilt->index_usable = row_merge_is_index_usable( + prebuilt->trx, prebuilt->index); + + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + HA_ERR_TABLE_DEF_CHANGED, + "InnoDB: Insufficient history for" + " index '%-.200s'", + index->name); + continue; + } + + prebuilt->sql_stat_start = TRUE; + prebuilt->template_type = ROW_MYSQL_DUMMY_TEMPLATE; + prebuilt->n_template = 0; + prebuilt->need_to_access_clustered = FALSE; + + dtuple_set_n_fields(prebuilt->search_tuple, 0); + + prebuilt->select_lock_type = LOCK_NONE; + + if (!row_check_index_for_mysql(prebuilt, index, &n_rows)) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The B-tree of" + " index '%-.200s' is corrupted.", + index->name); + is_ok = FALSE; + } + + if (thd_killed(user_thd)) { + break; + } + +#if 0 + fprintf(stderr, "%lu entries in index %s\n", n_rows, + index->name); +#endif + + if (index == dict_table_get_first_index(prebuilt->table)) { + n_rows_in_table = n_rows; + } else if (n_rows != n_rows_in_table) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: Index '%-.200s'" + " contains %lu entries," + " should be %lu.", + index->name, + (ulong) n_rows, + (ulong) n_rows_in_table); + is_ok = FALSE; + } + } + + /* Restore the original isolation level */ + prebuilt->trx->isolation_level = old_isolation_level; + + /* We validate also the whole adaptive hash index for all tables + at every CHECK TABLE */ + + if (!btr_search_validate()) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The adaptive hash index is corrupted."); + is_ok = FALSE; + } + + /* Restore the fatal lock wait timeout after CHECK TABLE. */ + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + prebuilt->trx->op_info = ""; + if (thd_killed(user_thd)) { + my_error(ER_QUERY_INTERRUPTED, MYF(0)); + } + + DBUG_RETURN(is_ok ? HA_ADMIN_OK : HA_ADMIN_CORRUPT); } /*************************************************************//** @@ -8466,6 +8844,11 @@ static INNOBASE_SHARE* get_share(const char* table_name) innobase_open_tables, fold, share); thr_lock_init(&share->lock); + + /* Index translation table initialization */ + share->idx_trans_tbl.index_mapping = NULL; + share->idx_trans_tbl.index_count = 0; + share->idx_trans_tbl.array_size = 0; } share->use_count++; @@ -8496,6 +8879,11 @@ static void free_share(INNOBASE_SHARE* share) HASH_DELETE(INNOBASE_SHARE, table_name_hash, innobase_open_tables, fold, share); thr_lock_delete(&share->lock); + + /* Free any memory from index translation table */ + my_free(share->idx_trans_tbl.index_mapping, + MYF(MY_ALLOW_ZERO_PTR)); + my_free(share, MYF(0)); /* TODO: invoke HASH_MIGRATE if innobase_open_tables @@ -8730,7 +9118,10 @@ ha_innobase::innobase_get_autoinc( *value = dict_table_autoinc_read(prebuilt->table); /* It should have been initialized during open. */ - ut_a(*value != 0); + if (*value == 0) { + prebuilt->autoinc_error = DB_UNSUPPORTED; + dict_table_autoinc_unlock(prebuilt->table); + } } return(prebuilt->autoinc_error); @@ -8810,6 +9201,11 @@ ha_innobase::get_auto_increment( invoking this method. So we are not sure if it's guaranteed to be 0 or not. */ + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + ulonglong col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + /* Called for the first time ? */ if (trx->n_autoinc_rows == 0) { @@ -8826,6 +9222,11 @@ ha_innobase::get_auto_increment( /* Not in the middle of a mult-row INSERT. */ } else if (prebuilt->autoinc_last_value == 0) { set_if_bigger(*first_value, autoinc); + /* Check for -ve values. */ + } else if (*first_value > col_max_value && trx->n_autoinc_rows > 0) { + /* Set to next logical value. */ + ut_a(autoinc > trx->n_autoinc_rows); + *first_value = (autoinc - trx->n_autoinc_rows) - 1; } *nb_reserved_values = trx->n_autoinc_rows; @@ -8836,12 +9237,6 @@ ha_innobase::get_auto_increment( ulonglong need; ulonglong current; ulonglong next_value; - ulonglong col_max_value; - - /* We need the upper limit of the col type to check for - whether we update the table autoinc counter or not. */ - col_max_value = innobase_get_int_col_max_value( - table->next_number_field); current = *first_value > col_max_value ? autoinc : *first_value; need = *nb_reserved_values * increment; diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 0e366a1eb2c..5dd9726ae4c 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -27,15 +27,31 @@ Place, Suite 330, Boston, MA 02111-1307 USA #pragma interface /* gcc class implementation */ #endif +/* Structure defines translation table between mysql index and innodb +index structures */ +typedef struct innodb_idx_translate_struct { + ulint index_count; /*!< number of valid index entries + in the index_mapping array */ + ulint array_size; /*!< array size of index_mapping */ + dict_index_t** index_mapping; /*!< index pointer array directly + maps to index in Innodb from MySQL + array index */ +} innodb_idx_translate_t; + + /** InnoDB table share */ typedef struct st_innobase_share { - THR_LOCK lock; /*!< MySQL lock protecting - this structure */ - const char* table_name; /*!< InnoDB table name */ - uint use_count; /*!< reference count, - incremented in get_share() - and decremented in free_share() */ - void* table_name_hash;/*!< hash table chain node */ + THR_LOCK lock; /*!< MySQL lock protecting + this structure */ + const char* table_name; /*!< InnoDB table name */ + uint use_count; /*!< reference count, + incremented in get_share() + and decremented in + free_share() */ + void* table_name_hash;/*!< hash table chain node */ + innodb_idx_translate_t idx_trans_tbl; /*!< index translation + table between MySQL and + Innodb */ } INNOBASE_SHARE; diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index a5008991400..47999ae37f8 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -764,6 +764,10 @@ err_exit: ut_ad(error == DB_SUCCESS); + /* We will need to rebuild index translation table. Set + valid index entry count in the translation table to zero */ + share->idx_trans_tbl.index_count = 0; + /* Commit the data dictionary transaction in order to release the table locks on the system tables. This means that if MySQL crashes while creating a new primary key inside @@ -1198,6 +1202,10 @@ ha_innobase::final_drop_index( ut_a(!index->to_be_dropped); } + /* We will need to rebuild index translation table. Set + valid index entry count in the translation table to zero */ + share->idx_trans_tbl.index_count = 0; + #ifdef UNIV_DEBUG dict_table_check_for_dup_indexes(prebuilt->table); #endif diff --git a/include/btr0btr.h b/include/btr0btr.h index aa51490ab19..5af5d0c49f0 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -327,12 +327,16 @@ Inserts a data tuple to a tree on a non-leaf level. It is assumed that mtr holds an x-latch on the tree. */ UNIV_INTERN void -btr_insert_on_non_leaf_level( -/*=========================*/ +btr_insert_on_non_leaf_level_func( +/*==============================*/ dict_index_t* index, /*!< in: index */ ulint level, /*!< in: level, must be > 0 */ dtuple_t* tuple, /*!< in: the record to be inserted */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +# define btr_insert_on_non_leaf_level(i,l,t,m) \ + btr_insert_on_non_leaf_level_func(i,l,t,__FILE__,__LINE__,m) #endif /* !UNIV_HOTBACKUP */ /****************************************************************//** Sets a record as the predefined minimum record. */ diff --git a/include/btr0cur.h b/include/btr0cur.h index a7984005ba3..2db38f2fa96 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -152,29 +152,39 @@ btr_cur_search_to_nth_level( ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ /*****************************************************************//** Opens a cursor at either end of an index. */ UNIV_INTERN void -btr_cur_open_at_index_side( -/*=======================*/ +btr_cur_open_at_index_side_func( +/*============================*/ ibool from_left, /*!< in: TRUE if open to the low end, FALSE if to the high end */ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: latch mode */ btr_cur_t* cursor, /*!< in: cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_cur_open_at_index_side(f,i,l,c,m) \ + btr_cur_open_at_index_side_func(f,i,l,c,__FILE__,__LINE__,m) /**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INTERN void -btr_cur_open_at_rnd_pos( -/*====================*/ +btr_cur_open_at_rnd_pos_func( +/*=========================*/ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_cur_open_at_rnd_pos(i,l,c,m) \ + btr_cur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) /*************************************************************//** Tries to perform an insert to a page in an index tree, next to cursor. It is assumed that mtr holds an x-latch on the page. The operation does diff --git a/include/btr0pcur.h b/include/btr0pcur.h index 12b1375d8b7..7d8bac85f3e 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -82,8 +82,8 @@ Initializes and opens a persistent cursor to an index tree. It should be closed with btr_pcur_close. */ UNIV_INLINE void -btr_pcur_open( -/*==========*/ +btr_pcur_open_func( +/*===============*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ...; @@ -94,14 +94,18 @@ btr_pcur_open( record! */ ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open(i,t,md,l,c,m) \ + btr_pcur_open_func(i,t,md,l,c,__FILE__,__LINE__,m) /**************************************************************//** Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE void -btr_pcur_open_with_no_init( -/*=======================*/ +btr_pcur_open_with_no_init_func( +/*============================*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ...; @@ -119,7 +123,12 @@ btr_pcur_open_with_no_init( ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_with_no_init(ix,t,md,l,cur,has,m) \ + btr_pcur_open_with_no_init_func(ix,t,md,l,cur,has,__FILE__,__LINE__,m) + /*****************************************************************//** Opens a persistent cursor at either end of an index. */ UNIV_INLINE @@ -160,8 +169,8 @@ before first in tree. The latching mode must be BTR_SEARCH_LEAF or BTR_MODIFY_LEAF. */ UNIV_INTERN void -btr_pcur_open_on_user_rec( -/*======================*/ +btr_pcur_open_on_user_rec_func( +/*===========================*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ... */ @@ -169,17 +178,25 @@ btr_pcur_open_on_user_rec( BTR_MODIFY_LEAF */ btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_on_user_rec(i,t,md,l,c,m) \ + btr_pcur_open_on_user_rec_func(i,t,md,l,c,__FILE__,__LINE__,m) /**********************************************************************//** Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INLINE void -btr_pcur_open_at_rnd_pos( -/*=====================*/ +btr_pcur_open_at_rnd_pos_func( +/*==========================*/ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_at_rnd_pos(i,l,c,m) \ + btr_pcur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) /**************************************************************//** Frees the possible old_rec_buf buffer of a persistent cursor and sets the latch mode of the persistent cursor to BTR_NO_LATCHES. */ @@ -218,11 +235,15 @@ record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ UNIV_INTERN ibool -btr_pcur_restore_position( -/*======================*/ +btr_pcur_restore_position_func( +/*===========================*/ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_restore_position(l,cur,mtr) \ + btr_pcur_restore_position_func(l,cur,__FILE__,__LINE__,mtr) /**************************************************************//** If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, releases the page latch and bufferfix reserved by the cursor. diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index 0ca7223f861..b11d7dce21c 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -483,8 +483,8 @@ Initializes and opens a persistent cursor to an index tree. It should be closed with btr_pcur_close. */ UNIV_INLINE void -btr_pcur_open( -/*==========*/ +btr_pcur_open_func( +/*===============*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ...; @@ -495,6 +495,8 @@ btr_pcur_open( record! */ ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { btr_cur_t* btr_cursor; @@ -511,7 +513,7 @@ btr_pcur_open( btr_cursor = btr_pcur_get_btr_cur(cursor); btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, - btr_cursor, 0, mtr); + btr_cursor, 0, file, line, mtr); cursor->pos_state = BTR_PCUR_IS_POSITIONED; cursor->trx_if_known = NULL; @@ -522,8 +524,8 @@ Opens an persistent cursor to an index tree without initializing the cursor. */ UNIV_INLINE void -btr_pcur_open_with_no_init( -/*=======================*/ +btr_pcur_open_with_no_init_func( +/*============================*/ dict_index_t* index, /*!< in: index */ const dtuple_t* tuple, /*!< in: tuple on which search done */ ulint mode, /*!< in: PAGE_CUR_L, ...; @@ -541,6 +543,8 @@ btr_pcur_open_with_no_init( ulint has_search_latch,/*!< in: latch mode the caller currently has on btr_search_latch: RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { btr_cur_t* btr_cursor; @@ -553,7 +557,8 @@ btr_pcur_open_with_no_init( btr_cursor = btr_pcur_get_btr_cur(cursor); btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, - btr_cursor, has_search_latch, mtr); + btr_cursor, has_search_latch, + file, line, mtr); cursor->pos_state = BTR_PCUR_IS_POSITIONED; cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; @@ -600,11 +605,13 @@ btr_pcur_open_at_index_side( Positions a cursor at a randomly chosen position within a B-tree. */ UNIV_INLINE void -btr_pcur_open_at_rnd_pos( -/*=====================*/ +btr_pcur_open_at_rnd_pos_func( +/*==========================*/ dict_index_t* index, /*!< in: index */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mtr */ { /* Initialize the cursor */ @@ -614,8 +621,9 @@ btr_pcur_open_at_rnd_pos( btr_pcur_init(cursor); - btr_cur_open_at_rnd_pos(index, latch_mode, - btr_pcur_get_btr_cur(cursor), mtr); + btr_cur_open_at_rnd_pos_func(index, latch_mode, + btr_pcur_get_btr_cur(cursor), + file, line, mtr); cursor->pos_state = BTR_PCUR_IS_POSITIONED; cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; diff --git a/include/buf0buf.h b/include/buf0buf.h index bc7555dbb6c..082022e2fe2 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -207,20 +207,14 @@ with care. */ #define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ SP, ZS, OF, RW_NO_LATCH, NULL,\ BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) -/**************************************************************//** -NOTE! The following macros should be used instead of -buf_page_optimistic_get_func, to improve debugging. Only values RW_S_LATCH and -RW_X_LATCH are allowed as LA! */ -#define buf_page_optimistic_get(LA, BL, MC, MTR) \ - buf_page_optimistic_get_func(LA, BL, MC, __FILE__, __LINE__, MTR) /********************************************************************//** This is the general function used to get optimistic access to a database page. @return TRUE if success */ UNIV_INTERN ibool -buf_page_optimistic_get_func( -/*=========================*/ +buf_page_optimistic_get( +/*====================*/ ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ buf_block_t* block, /*!< in: guessed block */ ib_uint64_t modify_clock,/*!< in: modify clock value if mode is diff --git a/include/log0log.h b/include/log0log.h index 233714eb63a..7fc24b58e4c 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -1,22 +1,5 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ -/***************************************************************************** - Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Google Inc. diff --git a/include/os0file.h b/include/os0file.h index f76a1d196c6..1f2ce3624dc 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -1,20 +1,3 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ /*********************************************************************** Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. diff --git a/include/row0mysql.h b/include/row0mysql.h index b05241f00f8..03b29fd6538 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -451,6 +451,12 @@ row_drop_table_for_mysql( const char* name, /*!< in: table name */ trx_t* trx, /*!< in: transaction handle */ ibool drop_db);/*!< in: TRUE=dropping whole database */ +/*********************************************************************//** +Drop all temporary tables during crash recovery. */ +UNIV_INTERN +void +row_mysql_drop_temp_tables(void); +/*============================*/ /*********************************************************************//** Discards the tablespace of a table which stored in an .ibd file. Discarding @@ -494,14 +500,19 @@ row_rename_table_for_mysql( trx_t* trx, /*!< in: transaction handle */ ibool commit); /*!< in: if TRUE then commit trx */ /*********************************************************************//** -Checks a table for corruption. -@return DB_ERROR or DB_SUCCESS */ +Checks that the index contains entries in an ascending order, unique +constraint is not broken, and calculates the number of index entries +in the read view of the current transaction. +@return DB_SUCCESS if ok */ UNIV_INTERN ulint -row_check_table_for_mysql( +row_check_index_for_mysql( /*======================*/ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL - handle */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct + in MySQL handle */ + const dict_index_t* index, /*!< in: index */ + ulint* n_rows); /*!< out: number of entries + seen in the consistent read */ /*********************************************************************//** Determines if a table is a magic monitor table. diff --git a/include/srv0srv.h b/include/srv0srv.h index 5b4295dcead..ae66772b25a 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -2,6 +2,7 @@ Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009, Google Inc. +Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -9,6 +10,13 @@ briefly in the InnoDB documentation. The contributions by Google are incorporated with their permission, and subject to the conditions contained in the file COPYING.Google. +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. @@ -22,32 +30,6 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ /**************************************************//** @file include/srv0srv.h diff --git a/include/trx0trx.h b/include/trx0trx.h index 5f2c1246f37..e2ad1f2f722 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -526,6 +526,9 @@ struct trx_struct{ /* 0, RW_S_LATCH, or RW_X_LATCH: the latch mode trx currently holds on dict_operation_lock */ + unsigned deadlock_mark:1;/*!< a mark field used in deadlock + checking algorithm. Always protected + by the kernel_mutex. */ time_t start_time; /*!< time the trx object was created or the state last time became TRX_ACTIVE */ @@ -640,11 +643,6 @@ struct trx_struct{ wait_thrs; /*!< query threads belonging to this trx that are in the QUE_THR_LOCK_WAIT state */ - ulint deadlock_mark; /*!< a mark field used in deadlock - checking algorithm. This must be - in its own machine word, because - it can be changed by other - threads while holding kernel_mutex. */ /*------------------------------*/ mem_heap_t* lock_heap; /*!< memory heap for the locks of the transaction */ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 0fa67d31716..11a5232b0dc 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -401,7 +401,7 @@ lock_deadlock_recursive( /*====================*/ trx_t* start, /*!< in: recursion starting point */ trx_t* trx, /*!< in: a transaction waiting for a lock */ - lock_t* wait_lock, /*!< in: the lock trx is waiting to be granted */ + lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_VICTIM_IS_START */ @@ -411,7 +411,7 @@ lock_deadlock_recursive( /*********************************************************************//** Gets the nth bit of a record lock. -@return TRUE if bit set */ +@return TRUE if bit set also if i == ULINT_UNDEFINED return FALSE*/ UNIV_INLINE ibool lock_rec_get_nth_bit( @@ -1222,7 +1222,7 @@ lock_rec_get_first_on_page( /*********************************************************************//** Gets the next explicit lock request on a record. -@return next lock, NULL if none exists */ +@return next lock, NULL if none exists or if heap_no == ULINT_UNDEFINED */ UNIV_INLINE lock_t* lock_rec_get_next( @@ -3324,7 +3324,7 @@ lock_deadlock_recursive( /*====================*/ trx_t* start, /*!< in: recursion starting point */ trx_t* trx, /*!< in: a transaction waiting for a lock */ - lock_t* wait_lock, /*!< in: the lock trx is waiting to be granted */ + lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_VICTIM_IS_START */ @@ -3332,10 +3332,10 @@ lock_deadlock_recursive( LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_VICTIM_IS_START */ { - lock_t* lock; - ulint bit_no = ULINT_UNDEFINED; - trx_t* lock_trx; ulint ret; + lock_t* lock; + trx_t* lock_trx; + ulint heap_no = ULINT_UNDEFINED; ut_a(trx); ut_a(start); @@ -3351,27 +3351,44 @@ lock_deadlock_recursive( *cost = *cost + 1; - lock = wait_lock; - if (lock_get_type_low(wait_lock) == LOCK_REC) { + ulint space; + ulint page_no; - bit_no = lock_rec_find_set_bit(wait_lock); + heap_no = lock_rec_find_set_bit(wait_lock); + ut_a(heap_no != ULINT_UNDEFINED); - ut_a(bit_no != ULINT_UNDEFINED); + space = wait_lock->un_member.rec_lock.space; + page_no = wait_lock->un_member.rec_lock.page_no; + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + /* Position the iterator on the first matching record lock. */ + while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)) { + + lock = lock_rec_get_next_on_page(lock); + } + + if (lock == wait_lock) { + lock = NULL; + } + + ut_ad(lock == NULL || lock_rec_get_nth_bit(lock, heap_no)); + + } else { + lock = wait_lock; } /* Look at the locks ahead of wait_lock in the lock queue */ for (;;) { - if (lock_get_type_low(lock) & LOCK_TABLE) { + /* Get previous table lock. */ + if (heap_no == ULINT_UNDEFINED) { - lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, - lock); - } else { - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_a(bit_no != ULINT_UNDEFINED); - - lock = (lock_t*) lock_rec_get_prev(lock, bit_no); + lock = UT_LIST_GET_PREV( + un_member.tab_lock.locks, lock); } if (lock == NULL) { @@ -3493,12 +3510,28 @@ lock_deadlock_recursive( ret = lock_deadlock_recursive( start, lock_trx, lock_trx->wait_lock, cost, depth + 1); + if (ret != 0) { return(ret); } } } + /* Get the next record lock to check. */ + if (heap_no != ULINT_UNDEFINED) { + + ut_a(lock != NULL); + + do { + lock = lock_rec_get_next_on_page(lock); + } while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)); + + if (lock == wait_lock) { + lock = NULL; + } + } }/* end of the 'for (;;)'-loop */ } diff --git a/log/log0log.c b/log/log0log.c index 063581055e9..6ddbcd22f77 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -1,22 +1,5 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ -/***************************************************************************** - Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Google Inc. diff --git a/log/log0recv.c b/log/log0recv.c index ecbd17611eb..d96028d9af5 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -3283,6 +3283,8 @@ recv_recovery_from_checkpoint_finish(void) /* Drop partially created indexes. */ row_merge_drop_temp_indexes(); + /* Drop temporary tables. */ + row_mysql_drop_temp_tables(); #ifdef UNIV_SYNC_DEBUG /* Wait for a while so that created threads have time to suspend diff --git a/mysql-test/innodb-autoinc-44030.result b/mysql-test/innodb-autoinc-44030.result new file mode 100644 index 00000000000..c0695bf0be0 --- /dev/null +++ b/mysql-test/innodb-autoinc-44030.result @@ -0,0 +1,30 @@ +drop table if exists t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +d1 +1 +2 +SELECT * FROM t1; +d1 +1 +2 +INSERT INTO t1 VALUES(null); +Got one of the listed errors +ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `d1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`d1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +d1 +1 +2 +3 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc-44030.test b/mysql-test/innodb-autoinc-44030.test new file mode 100644 index 00000000000..af2e3015280 --- /dev/null +++ b/mysql-test/innodb-autoinc-44030.test @@ -0,0 +1,34 @@ +-- source include/have_innodb.inc +# embedded server ignores 'delayed', so skip this +-- source include/not_embedded.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from +# the index (PRIMARY) +# This test requires a restart of the server +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +# Restart the server +-- source include/restart_mysqld.inc +# The MySQL and InnoDB data dictionaries should now be out of sync. +# The select should print message to the error log +SELECT * FROM t1; +# MySQL have made a change (http://lists.mysql.com/commits/75268) that no +# longer results in the two data dictionaries being out of sync. If they +# revert their changes then this check for ER_AUTOINC_READ_FAILED will need +# to be enabled. Also, see http://bugs.mysql.com/bug.php?id=47621. +-- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 VALUES(null); +ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.result b/mysql-test/innodb-autoinc.result index fe87e11c9ec..a36b3a1a865 100644 --- a/mysql-test/innodb-autoinc.result +++ b/mysql-test/innodb-autoinc.result @@ -868,35 +868,6 @@ Got one of the listed errors DROP TABLE t1; DROP TABLE t2; SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -d1 -1 -2 -SELECT * FROM t1; -d1 -1 -2 -INSERT INTO t1 VALUES(null); -Got one of the listed errors -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `d1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`d1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -d1 -1 -2 -3 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; SHOW VARIABLES LIKE "%auto_inc%"; Variable_name Value auto_increment_increment 1 @@ -1190,3 +1161,86 @@ t1 CREATE TABLE `t1` ( PRIMARY KEY (`c1`) ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +2 +3 +4 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +4 +5 +6 +7 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +5 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; diff --git a/mysql-test/innodb-autoinc.test b/mysql-test/innodb-autoinc.test index 0630c2330a8..ef0359b78b0 100644 --- a/mysql-test/innodb-autoinc.test +++ b/mysql-test/innodb-autoinc.test @@ -478,28 +478,6 @@ INSERT INTO t2 SELECT c1 FROM t1; INSERT INTO t2 SELECT NULL FROM t1; DROP TABLE t1; DROP TABLE t2; -# -# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from -# the index (PRIMARY) -# This test requires a restart of the server -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -# Restart the server --- source include/restart_mysqld.inc -# The MySQL and InnoDB data dictionaries should now be out of sync. -# The select should print message to the error log -SELECT * FROM t1; --- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 VALUES(null); -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -DROP TABLE t1; # If the user has specified negative values for an AUTOINC column then # InnoDB should ignore those values when setting the table's max value. @@ -653,3 +631,34 @@ REPLACE INTO t1 VALUES (-1); SELECT * FROM t1; SHOW CREATE TABLE t1; DROP TABLE t1; + +## +# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; diff --git a/mysql-test/innodb_bug47622.result b/mysql-test/innodb_bug47622.result new file mode 100644 index 00000000000..f5d13711c52 --- /dev/null +++ b/mysql-test/innodb_bug47622.result @@ -0,0 +1,23 @@ +CREATE TABLE bug47622( +`rule_key` int(11) NOT NULL DEFAULT '0', +`seq` smallint(6) NOT NULL DEFAULT '0', +`action` smallint(6) NOT NULL DEFAULT '0', +`arg_id` smallint(6) DEFAULT NULL, +`else_ind` TINYINT NOT NULL, +KEY IDX_A (`arg_id`) +) ENGINE=InnoDB; +ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); +drop index IDX_B on bug47622; +create index idx on bug47622(seq, arg_id); +ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); +drop table bug47622; +CREATE TABLE bug47622 ( +`a` int(11) NOT NULL, +`b` int(11) DEFAULT NULL, +`c` char(10) DEFAULT NULL, +`d` varchar(20) DEFAULT NULL, +PRIMARY KEY (`a`), +KEY `b` (`b`) +) ENGINE=InnoDB; +alter table bug47622 add unique index (c), add index (d); +drop table bug47622; diff --git a/mysql-test/innodb_bug47622.test b/mysql-test/innodb_bug47622.test new file mode 100644 index 00000000000..9cf9d0e531b --- /dev/null +++ b/mysql-test/innodb_bug47622.test @@ -0,0 +1,55 @@ +# This is the test for bug 47622. There could be index +# metadata sequence mismatch between MySQL and Innodb +# after creating index through FIC interfaces. +# We resolve the problem by sync the index sequence +# up when opening the table. + +--source include/have_innodb.inc + +connect (a,localhost,root,,); +connect (b,localhost,root,,); + +# Create a table with a non-unique index +CREATE TABLE bug47622( + `rule_key` int(11) NOT NULL DEFAULT '0', + `seq` smallint(6) NOT NULL DEFAULT '0', + `action` smallint(6) NOT NULL DEFAULT '0', + `arg_id` smallint(6) DEFAULT NULL, + `else_ind` TINYINT NOT NULL, + KEY IDX_A (`arg_id`) +) ENGINE=InnoDB; + +connection a; + +# A subsequent creating unique index should not trigger +# any error message. Unique index would be ranked ahead +# of regular index. +ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); + +drop index IDX_B on bug47622; + +# In another connection, create additional set of normal +# index and unique index. Again, unique index would be ranked +# ahead of regular index. +connection b; +create index idx on bug47622(seq, arg_id); + +ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); + +drop table bug47622; + +# Create a table with one Primary key and a non-unique key +CREATE TABLE bug47622 ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `b` (`b`) +) ENGINE=InnoDB; + +# Add two index with one unique and one non-unique. +# Index sequence is "PRIMARY", "c", "b" and "d" +alter table bug47622 add unique index (c), add index (d); + +drop table bug47622; diff --git a/os/os0file.c b/os/os0file.c index dee52f572f2..0605c0565f7 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -1,20 +1,3 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ /*********************************************************************** Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. diff --git a/row/row0ins.c b/row/row0ins.c index b881308a683..3259416e658 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -1994,7 +1994,8 @@ row_ins_index_entry_low( } btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, - search_mode, &cursor, 0, &mtr); + search_mode, + &cursor, 0, __FILE__, __LINE__, &mtr); if (cursor.flag == BTR_CUR_INSERT_TO_IBUF) { /* The insertion was made to the insert buffer already during @@ -2053,7 +2054,8 @@ row_ins_index_entry_low( btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, mode | BTR_INSERT, - &cursor, 0, &mtr); + &cursor, 0, + __FILE__, __LINE__, &mtr); } } @@ -2108,7 +2110,8 @@ function_exit: mtr_start(&mtr); btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, - BTR_MODIFY_TREE, &cursor, 0, &mtr); + BTR_MODIFY_TREE, &cursor, 0, + __FILE__, __LINE__, &mtr); rec = btr_cur_get_rec(&cursor); offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); diff --git a/row/row0mysql.c b/row/row0mysql.c index e9fd12e9747..ad78c559141 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -485,7 +485,7 @@ next_column: /****************************************************************//** Handles user errors and lock waits detected by the database engine. @return TRUE if it was a lock wait and we should continue running the -query thread */ +query thread and in that case the thr is ALREADY in the running state. */ UNIV_INTERN ibool row_mysql_handle_errors( @@ -3363,6 +3363,99 @@ funct_exit: return((int) err); } +/*********************************************************************//** +Drop all temporary tables during crash recovery. */ +UNIV_INTERN +void +row_mysql_drop_temp_tables(void) +/*============================*/ +{ + trx_t* trx; + ulint err; + + trx = trx_allocate_for_background(); + trx->op_info = "dropping temporary tables"; + row_mysql_lock_data_dictionary(trx); + + err = que_eval_sql( + NULL, + "PROCEDURE DROP_TEMP_TABLES_PROC () IS\n" + "table_name CHAR;\n" + "table_id CHAR;\n" + "foreign_id CHAR;\n" + "index_id CHAR;\n" + "DECLARE CURSOR c IS SELECT NAME,ID FROM SYS_TABLES\n" + "WHERE N_COLS > 2147483647\n" + /* N_COLS>>31 is set unless ROW_FORMAT=REDUNDANT, + and MIX_LEN may be garbage for those tables */ + "AND MIX_LEN=(MIX_LEN/2*2+1);\n" + /* MIX_LEN & 1 is set for temporary tables */ +#if DICT_TF2_TEMPORARY != 1 +# error "DICT_TF2_TEMPORARY != 1" +#endif + "BEGIN\n" + "OPEN c;\n" + "WHILE 1=1 LOOP\n" + " FETCH c INTO table_name, table_id;\n" + " IF (SQL % NOTFOUND) THEN\n" + " EXIT;\n" + " END IF;\n" + " WHILE 1=1 LOOP\n" + " SELECT ID INTO index_id\n" + " FROM SYS_INDEXES\n" + " WHERE TABLE_ID = table_id\n" + " LOCK IN SHARE MODE;\n" + " IF (SQL % NOTFOUND) THEN\n" + " EXIT;\n" + " END IF;\n" + + /* Do not drop tables for which there exist + foreign key constraints. */ + " SELECT ID INTO foreign_id\n" + " FROM SYS_FOREIGN\n" + " WHERE FOR_NAME = table_name\n" + " AND TO_BINARY(FOR_NAME)\n" + " = TO_BINARY(table_name)\n;" + " IF NOT (SQL % NOTFOUND) THEN\n" + " EXIT;\n" + " END IF;\n" + + " SELECT ID INTO foreign_id\n" + " FROM SYS_FOREIGN\n" + " WHERE REF_NAME = table_name\n" + " AND TO_BINARY(REF_NAME)\n" + " = TO_BINARY(table_name)\n;" + " IF NOT (SQL % NOTFOUND) THEN\n" + " EXIT;\n" + " END IF;\n" + + " DELETE FROM SYS_FIELDS\n" + " WHERE INDEX_ID = index_id;\n" + " DELETE FROM SYS_INDEXES\n" + " WHERE ID = index_id\n" + " AND TABLE_ID = table_id;\n" + " END LOOP;\n" + " DELETE FROM SYS_COLUMNS\n" + " WHERE TABLE_ID = table_id;\n" + " DELETE FROM SYS_TABLES\n" + " WHERE ID = table_id;\n" + "END LOOP;\n" + "COMMIT WORK;\n" + "END;\n" + , FALSE, trx); + + if (err != DB_SUCCESS) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Failed to drop temporary tables:" + " error %lu occurred\n", + (ulong) err); + } + + row_mysql_unlock_data_dictionary(trx); + trx_free_for_background(trx); +} + /*******************************************************************//** Drop all foreign keys in a database, see Bug#18942. Called at the end of row_drop_database_for_mysql(). @@ -3914,14 +4007,15 @@ Checks that the index contains entries in an ascending order, unique constraint is not broken, and calculates the number of index entries in the read view of the current transaction. @return TRUE if ok */ -static +UNIV_INTERN ibool -row_scan_and_check_index( -/*=====================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL */ - dict_index_t* index, /*!< in: index */ - ulint* n_rows) /*!< out: number of entries seen in the - current consistent read */ +row_check_index_for_mysql( +/*======================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct + in MySQL handle */ + const dict_index_t* index, /*!< in: index */ + ulint* n_rows) /*!< out: number of entries + seen in the consistent read */ { dtuple_t* prev_entry = NULL; ulint matched_fields; @@ -3942,31 +4036,9 @@ row_scan_and_check_index( *n_rows = 0; - if (!row_merge_is_index_usable(prebuilt->trx, index)) { - /* A newly created index may lack some delete-marked - records that may exist in the read view of - prebuilt->trx. Thus, such indexes must not be - accessed by consistent read. */ - return(is_ok); - } - buf = mem_alloc(UNIV_PAGE_SIZE); heap = mem_heap_create(100); - /* Make a dummy template in prebuilt, which we will use - in scanning the index entries */ - - prebuilt->index = index; - /* row_merge_is_index_usable() was already checked above. */ - prebuilt->index_usable = TRUE; - prebuilt->sql_stat_start = TRUE; - prebuilt->template_type = ROW_MYSQL_DUMMY_TEMPLATE; - prebuilt->n_template = 0; - prebuilt->need_to_access_clustered = FALSE; - - dtuple_set_n_fields(prebuilt->search_tuple, 0); - - prebuilt->select_lock_type = LOCK_NONE; cnt = 1000; ret = row_search_for_mysql(buf, PAGE_CUR_G, prebuilt, 0, 0); @@ -4084,119 +4156,6 @@ not_ok: goto loop; } -/*********************************************************************//** -Checks a table for corruption. -@return DB_ERROR or DB_SUCCESS */ -UNIV_INTERN -ulint -row_check_table_for_mysql( -/*======================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - dict_table_t* table = prebuilt->table; - dict_index_t* index; - ulint n_rows; - ulint n_rows_in_table = ULINT_UNDEFINED; - ulint ret = DB_SUCCESS; - ulint old_isolation_level; - - if (table->ibd_file_missing) { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error:\n" - "InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir, or have you" - " used DISCARD TABLESPACE?\n" - "InnoDB: Look from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - table->name); - return(DB_ERROR); - } - - prebuilt->trx->op_info = "checking table"; - - old_isolation_level = prebuilt->trx->isolation_level; - - /* We must run the index record counts at an isolation level - >= READ COMMITTED, because a dirty read can see a wrong number - of records in some index; to play safe, we use always - REPEATABLE READ here */ - - prebuilt->trx->isolation_level = TRX_ISO_REPEATABLE_READ; - - /* Enlarge the fatal lock wait timeout during CHECK TABLE. */ - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - index = dict_table_get_first_index(table); - - while (index != NULL) { - /* fputs("Validating index ", stderr); - ut_print_name(stderr, trx, FALSE, index->name); - putc('\n', stderr); */ - - if (!btr_validate_index(index, prebuilt->trx)) { - ret = DB_ERROR; - } else { - if (!row_scan_and_check_index(prebuilt,index, &n_rows)){ - ret = DB_ERROR; - } - - if (trx_is_interrupted(prebuilt->trx)) { - ret = DB_INTERRUPTED; - break; - } - - /* fprintf(stderr, "%lu entries in index %s\n", n_rows, - index->name); */ - - if (index == dict_table_get_first_index(table)) { - n_rows_in_table = n_rows; - } else if (n_rows != n_rows_in_table) { - - ret = DB_ERROR; - - fputs("Error: ", stderr); - dict_index_name_print(stderr, - prebuilt->trx, index); - fprintf(stderr, - " contains %lu entries," - " should be %lu\n", - (ulong) n_rows, - (ulong) n_rows_in_table); - } - } - - index = dict_table_get_next_index(index); - } - - /* Restore the original isolation level */ - prebuilt->trx->isolation_level = old_isolation_level; - - /* We validate also the whole adaptive hash index for all tables - at every CHECK TABLE */ - - if (!btr_search_validate()) { - - ret = DB_ERROR; - } - - /* Restore the fatal lock wait timeout after CHECK TABLE. */ - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - prebuilt->trx->op_info = ""; - - return(ret); -} - /*********************************************************************//** Determines if a table is a magic monitor table. @return TRUE if monitor table */ diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 3fc861a2d5d..a3615bd4ed4 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -2,6 +2,7 @@ Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009 Google Inc. +Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -9,6 +10,13 @@ briefly in the InnoDB documentation. The contributions by Google are incorporated with their permission, and subject to the conditions contained in the file COPYING.Google. +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. @@ -22,32 +30,6 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ /**************************************************//** @file srv/srv0srv.c diff --git a/srv/srv0start.c b/srv/srv0start.c index 8fee695466e..845850bcd9e 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -2,6 +2,7 @@ Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. +Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -9,6 +10,13 @@ briefly in the InnoDB documentation. The contributions by Google are incorporated with their permission, and subject to the conditions contained in the file COPYING.Google. +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. @@ -22,32 +30,6 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ -/*********************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ /********************************************************************//** @file srv/srv0start.c From 5eba9a787b16aff481d1aea244b1fc2e78d82055 Mon Sep 17 00:00:00 2001 From: vasil <> Date: Sat, 20 Feb 2010 16:45:41 +0000 Subject: [PATCH 155/400] Non-functional change: update copyright year to 2010 of the files that have been modified after 2010-01-01 according to svn. for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done --- btr/btr0btr.c | 2 +- btr/btr0cur.c | 2 +- btr/btr0pcur.c | 2 +- buf/buf0buf.c | 2 +- buf/buf0lru.c | 2 +- dict/dict0crea.c | 2 +- dict/dict0dict.c | 2 +- dict/dict0load.c | 2 +- handler/ha_innodb.cc | 2 +- handler/ha_innodb.h | 2 +- handler/handler0alter.cc | 2 +- include/btr0btr.h | 2 +- include/btr0cur.h | 2 +- include/btr0pcur.h | 2 +- include/btr0pcur.ic | 2 +- include/buf0buf.h | 2 +- include/log0log.h | 2 +- include/mem0dbg.h | 2 +- include/mem0dbg.ic | 2 +- include/os0file.h | 2 +- include/row0mysql.h | 2 +- include/srv0srv.h | 2 +- include/sync0sync.h | 2 +- include/trx0trx.h | 2 +- lock/lock0lock.c | 2 +- log/log0log.c | 2 +- log/log0recv.c | 2 +- mem/mem0dbg.c | 2 +- os/os0file.c | 2 +- page/page0page.c | 2 +- row/row0ins.c | 2 +- row/row0mysql.c | 2 +- row/row0sel.c | 2 +- srv/srv0srv.c | 2 +- srv/srv0start.c | 2 +- sync/sync0sync.c | 2 +- 36 files changed, 36 insertions(+), 36 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index b3f7cc092dd..8589d415131 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 67178af4d2a..c5e158a9951 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index 436d1f252c3..2edfd673530 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c2022fba2a9..c7fc3c54cd8 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 0a21ca161a6..816d9f3a248 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/dict/dict0crea.c b/dict/dict0crea.c index 5bbc2d17ddd..4ba7cd8a48c 100644 --- a/dict/dict0crea.c +++ b/dict/dict0crea.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/dict/dict0dict.c b/dict/dict0dict.c index ca129c29d20..3ae261c93d6 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/dict/dict0load.c b/dict/dict0load.c index 0c72a2e8f81..377818308c5 100644 --- a/dict/dict0load.c +++ b/dict/dict0load.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index db63474501d..4a8c3aac33f 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. +Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009 Google Inc. Copyright (c) 2009, Percona Inc. diff --git a/handler/ha_innodb.h b/handler/ha_innodb.h index 5dd9726ae4c..8a3e1ccff82 100644 --- a/handler/ha_innodb.h +++ b/handler/ha_innodb.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2000, 2009, MySQL AB & Innobase Oy. All Rights Reserved. +Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 47999ae37f8..6492bfa35fb 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/btr0btr.h b/include/btr0btr.h index 5af5d0c49f0..cb2d3bb0339 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/btr0cur.h b/include/btr0cur.h index 2db38f2fa96..bd9f1f3c37f 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/btr0pcur.h b/include/btr0pcur.h index 7d8bac85f3e..dce8c846715 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index b11d7dce21c..f10e1c95cdf 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/buf0buf.h b/include/buf0buf.h index 082022e2fe2..582efdab79d 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/log0log.h b/include/log0log.h index 7fc24b58e4c..8fce4ef96bc 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/include/mem0dbg.h b/include/mem0dbg.h index 8ddf4a13cba..d81e1418b2b 100644 --- a/include/mem0dbg.h +++ b/include/mem0dbg.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/mem0dbg.ic b/include/mem0dbg.ic index 9c6e5a78263..b0c8178a623 100644 --- a/include/mem0dbg.ic +++ b/include/mem0dbg.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/os0file.h b/include/os0file.h index 1f2ce3624dc..bb35362fc58 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -1,6 +1,6 @@ /*********************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted diff --git a/include/row0mysql.h b/include/row0mysql.h index 03b29fd6538..d2a8734c61f 100644 --- a/include/row0mysql.h +++ b/include/row0mysql.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/srv0srv.h b/include/srv0srv.h index ae66772b25a..24f27668a08 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009, Google Inc. Copyright (c) 2009, Percona Inc. diff --git a/include/sync0sync.h b/include/sync0sync.h index 7b39e08d6f7..09cab4ef4b7 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/include/trx0trx.h b/include/trx0trx.h index e2ad1f2f722..6651a0847f0 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 11a5232b0dc..6e46c10cd1f 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/log/log0log.c b/log/log0log.c index 6ddbcd22f77..183c24d2147 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/log/log0recv.c b/log/log0recv.c index d96028d9af5..33e1e4463d0 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index 4973ead4213..1cd2ff15bab 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/os/os0file.c b/os/os0file.c index 0605c0565f7..8b454a6a826 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -1,6 +1,6 @@ /*********************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Percona Inc. Portions of this file contain modifications contributed and copyrighted diff --git a/page/page0page.c b/page/page0page.c index 17c40170e14..1068a413e0c 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0ins.c b/row/row0ins.c index 3259416e658..906aaae2412 100644 --- a/row/row0ins.c +++ b/row/row0ins.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0mysql.c b/row/row0mysql.c index ad78c559141..76a0fc42a51 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0sel.c b/row/row0sel.c index e14f29d8d64..a50709e5fda 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/srv/srv0srv.c b/srv/srv0srv.c index a3615bd4ed4..06488688400 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, 2009 Google Inc. Copyright (c) 2009, Percona Inc. diff --git a/srv/srv0start.c b/srv/srv0start.c index 845850bcd9e..6f188149c49 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Copyright (c) 2009, Percona Inc. diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 44f1cba2164..1efcf9352f2 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by From daa99960e40a53918068146faab1b856f36b0869 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 3 Mar 2010 12:58:01 +0000 Subject: [PATCH 156/400] branches/innodb+: Commit the mini-transaction after merging a purge operation. ibuf_delete(): Note that the mtr must be committed before latching any further pages. ibuf_restore_pos(): New function, refactored from ibuf_delete_rec(). ibuf_merge_or_delete_for_page(): Commit the mini-transaction after calling ibuf_delete(). If ibuf_restore_pos() fails, restart the loop. rb://222 approved by Sunny Bains. This should fix Issue #135. --- ibuf/ibuf0ibuf.c | 125 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 86 insertions(+), 39 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c47ab3e2909..c0a74a19ec7 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3877,7 +3877,8 @@ ibuf_delete( const dtuple_t* entry, /*!< in: entry */ buf_block_t* block, /*!< in/out: block */ dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ + mtr_t* mtr) /*!< in/out: mtr; must be committed + before latching any further pages */ { page_cur_t page_cur; ulint low_match; @@ -3945,6 +3946,66 @@ ibuf_delete( } } +/*********************************************************************//** +Restores insert buffer tree cursor position +@return TRUE if the position was restored; FALSE if not */ +static __attribute__((nonnull)) +ibool +ibuf_restore_pos( +/*=============*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where the record + should belong */ + const dtuple_t* search_tuple, + /*!< in: search tuple for entries of page_no */ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor whose + position is to be restored */ + mtr_t* mtr) /*!< in/out: mini-transaction */ +{ + ut_ad(mode == BTR_MODIFY_LEAF || mode == BTR_MODIFY_TREE); + + if (btr_pcur_restore_position(mode, pcur, mtr)) { + + return(TRUE); + } + + if (fil_space_get_flags(space) == ULINT_UNDEFINED) { + /* The tablespace has been dropped. It is possible + that another thread has deleted the insert buffer + entry. Do not complain. */ + btr_pcur_commit_specify_mtr(pcur, mtr); + } else { + fprintf(stderr, + "InnoDB: ERROR: Submit the output to" + " http://bugs.mysql.com\n" + "InnoDB: ibuf cursor restoration fails!\n" + "InnoDB: ibuf record inserted to page %lu:%lu\n", + (ulong) space, (ulong) page_no); + fflush(stderr); + + rec_print_old(stderr, btr_pcur_get_rec(pcur)); + rec_print_old(stderr, pcur->old_rec); + dtuple_print(stderr, search_tuple); + + rec_print_old(stderr, + page_rec_get_next(btr_pcur_get_rec(pcur))); + fflush(stderr); + + btr_pcur_commit_specify_mtr(pcur, mtr); + + fputs("InnoDB: Validating insert buffer tree:\n", stderr); + if (!btr_validate_index(ibuf->index, NULL)) { + ut_error; + } + + fprintf(stderr, "InnoDB: ibuf tree ok\n"); + fflush(stderr); + } + + return(FALSE); +} + /*********************************************************************//** Deletes from ibuf the record on which pcur is positioned. If we have to resort to a pessimistic delete, this function commits mtr and closes @@ -3999,41 +4060,8 @@ ibuf_delete_rec( mtr_start(mtr); - success = btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr); - - if (!success) { - if (fil_space_get_flags(space) == ULINT_UNDEFINED) { - /* The tablespace has been dropped. It is possible - that another thread has deleted the insert buffer - entry. Do not complain. */ - goto commit_and_exit; - } - - fprintf(stderr, - "InnoDB: ERROR: Submit the output to" - " http://bugs.mysql.com\n" - "InnoDB: ibuf cursor restoration fails!\n" - "InnoDB: ibuf record inserted to page %lu\n", - (ulong) page_no); - fflush(stderr); - - rec_print_old(stderr, btr_pcur_get_rec(pcur)); - rec_print_old(stderr, pcur->old_rec); - dtuple_print(stderr, search_tuple); - - rec_print_old(stderr, - page_rec_get_next(btr_pcur_get_rec(pcur))); - fflush(stderr); - - btr_pcur_commit_specify_mtr(pcur, mtr); - - fputs("InnoDB: Validating insert buffer tree:\n", stderr); - if (!btr_validate_index(ibuf->index, NULL)) { - ut_error; - } - - fprintf(stderr, "InnoDB: ibuf tree ok\n"); - fflush(stderr); + if (!ibuf_restore_pos(space, page_no, search_tuple, + BTR_MODIFY_TREE, pcur, mtr)) { goto func_exit; } @@ -4048,8 +4076,6 @@ ibuf_delete_rec( ibuf_count_set(space, page_no, ibuf_count_get(space, page_no) - 1); #endif ibuf_size_update(root, mtr); - -commit_and_exit: btr_pcur_commit_specify_mtr(pcur, mtr); func_exit: @@ -4339,8 +4365,29 @@ loop: case IBUF_OP_DELETE: ibuf_delete(entry, block, dummy_index, &mtr); - break; + /* Because ibuf_delete() will latch an + insert buffer bitmap page, commit mtr + before latching any further pages. + Store and restore the cursor position. */ + ut_ad(rec == btr_pcur_get_rec(&pcur)); + ut_ad(page_rec_is_user_rec(rec)); + ut_ad(ibuf_rec_get_page_no(rec) == page_no); + ut_ad(ibuf_rec_get_space(rec) == space); + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + if (!ibuf_restore_pos(space, page_no, + search_tuple, + BTR_MODIFY_LEAF, + &pcur, &mtr)) { + + mops[op]++; + ibuf_dummy_index_free(dummy_index); + goto loop; + } + + break; default: ut_error; } From fb2ff6daf35dcdc94e7409a17965a43e77829a62 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 4 Mar 2010 10:15:07 +0000 Subject: [PATCH 157/400] branches/innodb+: Merge revisions 6560:6773 from branches/zip: ------------------------------------------------------------------------ r6560 | sunny | 2010-02-04 16:11:23 +0200 (Thu, 04 Feb 2010) | 7 lines Changed paths: M /branches/zip/lock/lock0lock.c branches/zip: Remove the additional check introduced in r6534 which tries to check if the joining transaction has any other transactions waiting on its locks. This optimization results in excessive deadlocks when running Sysbench with a large number of threads. The function seems to return FALSE positives. rb://250 ------------------------------------------------------------------------ r6591 | marko | 2010-02-08 10:06:39 +0200 (Mon, 08 Feb 2010) | 3 lines Changed paths: M /branches/zip/row/row0merge.c branches/zip: row_merge_drop_index(): Remove redundant condition on SYS_INDEXES.TABLE_ID. INDEX_ID must be instance-widely unique, because SYS_FIELDS is not indexed by TABLE_ID. ------------------------------------------------------------------------ r6594 | marko | 2010-02-08 12:55:04 +0200 (Mon, 08 Feb 2010) | 2 lines Changed paths: M /branches/zip/rem/rem0rec.c branches/zip: rec_get_nth_field_offs_old(): Replace if (!cond) ut_error; tests with ut_a(cond). ------------------------------------------------------------------------ r6595 | marko | 2010-02-08 13:53:02 +0200 (Mon, 08 Feb 2010) | 1 line Changed paths: M /branches/zip/include/btr0pcur.h M /branches/zip/include/btr0pcur.ic branches/zip: btr_pcur_commit(): Unused function, remove. ------------------------------------------------------------------------ r6608 | marko | 2010-02-09 11:02:37 +0200 (Tue, 09 Feb 2010) | 1 line Changed paths: M /branches/zip/handler/handler0alter.cc branches/zip: ha_innobase::add_index(): Check for !innodb_table. ------------------------------------------------------------------------ r6609 | marko | 2010-02-09 13:45:40 +0200 (Tue, 09 Feb 2010) | 1 line Changed paths: M /branches/zip/dict/dict0dict.c branches/zip: dict_field_print_low(): Add const qualifier. ------------------------------------------------------------------------ r6610 | marko | 2010-02-09 13:53:59 +0200 (Tue, 09 Feb 2010) | 17 lines Changed paths: M /branches/zip/dict/dict0boot.c M /branches/zip/include/dict0boot.h M /branches/zip/row/row0merge.c M /branches/zip/row/row0mysql.c branches/zip: When dropping temporary indexes and tables at startup, first load them to the data dictionary cache and use the normal routines for dropping tables or indexes. This should reduce the risk of bugs and also make the code compatible with the upcoming TablespaceDictionary implementation. DICT_SYS_INDEXES_NAME_FIELD: The clustered index position of SYS_INDEXES.NAME. row_merge_drop_temp_indexes(): Scan SYS_INDEXES for tables containing temporary indexes, and load the tables as needed. Invoke row_merge_drop_index() to drop the indexes. row_mysql_drop_temp_tables(): Scan SYS_TABLES for temporary tables, load them with dict_load_table() and drop them with row_drop_table_for_mysql(). rb://251, not yet reviewed ------------------------------------------------------------------------ r6611 | marko | 2010-02-09 14:28:25 +0200 (Tue, 09 Feb 2010) | 11 lines Changed paths: M /branches/zip/include/log0recv.h M /branches/zip/log/log0recv.c M /branches/zip/srv/srv0start.c branches/zip: Roll back dictionary transaction(s) before scanning *.ibd files innobase_start_or_create_for_mysql(): Roll back data dictionary transactions before scanning the *.ibd files. Then, data dictionary records can be loaded to the cache before opening the *.ibd files. recv_recovery_rollback_active(): Refactored from recv_recovery_from_checkpoint_finish(). rb://235, committing without review, because this is needed for TablespaceDictionary. ------------------------------------------------------------------------ r6612 | marko | 2010-02-09 14:32:39 +0200 (Tue, 09 Feb 2010) | 3 lines Changed paths: M /branches/zip/log/log0recv.c branches/zip: recv_recovery_rollback_active(): Drop the temporary tables and indexes after enabling sync order checks. This should not make any difference. This could have been done in r6611. ------------------------------------------------------------------------ r6614 | inaam | 2010-02-09 20:26:23 +0200 (Tue, 09 Feb 2010) | 7 lines Changed paths: M /branches/zip/srv/srv0srv.c branches/plugin rb://242 Let the master thread sleep if the amount of work to be done is calibrated as taking less than a second. Approved by: Heikki ------------------------------------------------------------------------ r6631 | marko | 2010-02-10 09:19:52 +0200 (Wed, 10 Feb 2010) | 1 line Changed paths: M /branches/zip/ChangeLog branches/zip: Document r6614 in ChangeLog. ------------------------------------------------------------------------ r6633 | marko | 2010-02-10 10:40:55 +0200 (Wed, 10 Feb 2010) | 31 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/buf/buf0buf.c M /branches/zip/lock/lock0lock.c branches/zip: Merge revisions 6538:6613 from branches/5.1: ------------------------------------------------------------------------ r6545 | jyang | 2010-02-03 03:57:32 +0200 (Wed, 03 Feb 2010) | 8 lines Changed paths: M /branches/5.1/lock/lock0lock.c branches/5.1: Fix bug #49001, "SHOW INNODB STATUS deadlock info incorrect when deadlock detection aborts". Print the correct lock owner when recursive function lock_deadlock_recursive() exceeds its maximum depth LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK. rb://217, approved by Marko. ------------------------------------------------------------------------ r6613 | inaam | 2010-02-09 20:23:09 +0200 (Tue, 09 Feb 2010) | 11 lines Changed paths: M /branches/5.1/buf/buf0buf.c M /branches/5.1/buf/buf0rea.c M /branches/5.1/include/buf0rea.h branches/5.1: Fix Bug #38901 InnoDB logs error repeatedly when trying to load page into buffer pool In buf_page_get_gen() if we are unable to read a page (because of corruption or some other reason) we keep on retrying. This fills up error log with millions of entries in no time and we'd eventually run out of disk space. This patch limits the number of attempts that we make (currently set to 100) and after that we abort with a message. rb://241 Approved by: Heikki ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6635 | marko | 2010-02-10 11:07:05 +0200 (Wed, 10 Feb 2010) | 4 lines Changed paths: M /branches/zip/row/row0sel.c branches/zip: Clean up after r6559. Now that btr_pcur_open_with_no_init() is a macro, do not mix preprocessor directives in the macro invocation, because it is implementation-defined whether that is going to work. ------------------------------------------------------------------------ r6639 | marko | 2010-02-10 13:11:04 +0200 (Wed, 10 Feb 2010) | 1 line Changed paths: M /branches/zip/include/trx0rseg.h M /branches/zip/trx/trx0rseg.c branches/zip: trx_rseg_create(): Unused function, remove. ------------------------------------------------------------------------ r6660 | marko | 2010-02-11 11:21:11 +0200 (Thu, 11 Feb 2010) | 7 lines Changed paths: M /branches/zip/row/row0umod.c branches/zip: Clarify the rollback of INSERT by UPDATE of delete-marked rec. row_undo_mod_remove_clust_low(): Augment the function comment. row_undo_mod_remove_clust_low(), row_undo_mod_del_mark_or_remove_sec_low(), row_undo_mod_del_mark_or_remove_sec(), row_undo_mod_upd_del_sec(): Add ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); ------------------------------------------------------------------------ r6672 | marko | 2010-02-11 13:01:18 +0200 (Thu, 11 Feb 2010) | 1 line Changed paths: M /branches/zip/include/que0que.h M /branches/zip/include/que0que.ic M /branches/zip/row/row0umod.c branches/zip: Introduce thr_is_recv(). ------------------------------------------------------------------------ r6673 | marko | 2010-02-11 13:09:48 +0200 (Thu, 11 Feb 2010) | 9 lines Changed paths: M /branches/zip/btr/btr0cur.c M /branches/zip/include/trx0types.h M /branches/zip/row/row0umod.c branches/zip: Relax a debug assertion about a missing BLOB. (Issue #452) When rolling back an incomplete transaction in purge, tolerate missing BLOBs also in update undo, when undoing an INSERT by updating a delete-marked record, and the delete-marked record is no longer needed. Previously, we only tolerated missing BLOBs in insert undo. This merely fixes a debug assertion; the code performed correctly without UNIV_DEBUG. rb://249 approved by Sunny Bains. ------------------------------------------------------------------------ r6674 | inaam | 2010-02-11 17:54:44 +0200 (Thu, 11 Feb 2010) | 16 lines Changed paths: M /branches/zip/include/mem0mem.h M /branches/zip/include/mem0mem.ic M /branches/zip/mem/mem0mem.c branches/zip bug# 49535 This is a backport of r4924. mem_heap_get_size() scans all allocated blocks to calculate the total size of the heap. This patch introduces a new, total_size, field in mem_block_info_struct. This field is valid only for base block (i.e.: the first block allocated for the heap) and is set to ULINT_UNDEFINED in other blocks. This considerably improves the performance of redo scan during recovery. rb://108 issue#216 Approved by: Heikki ------------------------------------------------------------------------ r6675 | marko | 2010-02-11 22:41:11 +0200 (Thu, 11 Feb 2010) | 1 line Changed paths: M /branches/zip/row/row0umod.c branches/zip: Remove bogus debug assertions introduced in r6660. ------------------------------------------------------------------------ r6707 | inaam | 2010-02-12 19:22:35 +0200 (Fri, 12 Feb 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip ChangeLog entry for r6674. ------------------------------------------------------------------------ r6712 | marko | 2010-02-16 10:05:36 +0200 (Tue, 16 Feb 2010) | 2 lines Changed paths: M /branches/zip/trx/trx0trx.c branches/zip: trx_lists_init_at_db_start(): Assert that the kernel_mutex is held by the caller. ------------------------------------------------------------------------ r6713 | sunny | 2010-02-16 10:12:17 +0200 (Tue, 16 Feb 2010) | 7 lines Changed paths: M /branches/zip/include/trx0trx.h branches/zip: Change the bit fields back to ulint. Bit fields were causing problems with concurrency on SMP systems because of word packing issues. The number of trx_t's in a system is not sufficient enough to require that we try and save a few bytes in the data structure. See rb://255 for details. ------------------------------------------------------------------------ r6714 | sunny | 2010-02-16 10:12:25 +0200 (Tue, 16 Feb 2010) | 2 lines Changed paths: M /branches/zip/include/trx0trx.h branches/zip: Update the comments and fix the whitespace issues. See rb://255 Approved by: Marko ------------------------------------------------------------------------ r6715 | sunny | 2010-02-16 10:14:21 +0200 (Tue, 16 Feb 2010) | 1 line Changed paths: M /branches/zip/include/trx0trx.h branches/zip: Fix comment. Non functional change. ------------------------------------------------------------------------ r6717 | marko | 2010-02-16 14:53:20 +0200 (Tue, 16 Feb 2010) | 2 lines Changed paths: M /branches/zip/include/log0log.ic branches/zip: log_reserve_and_write_fast(): Correct a race condition in UNIV_LOG_LSN_DEBUG. This could have caused Issue #440. ------------------------------------------------------------------------ r6718 | marko | 2010-02-16 15:06:16 +0200 (Tue, 16 Feb 2010) | 1 line Changed paths: M /branches/zip/include/trx0trx.h branches/zip: Fix a comment. ------------------------------------------------------------------------ r6723 | marko | 2010-02-17 11:48:34 +0200 (Wed, 17 Feb 2010) | 3 lines Changed paths: M /branches/zip/lock/lock0lock.c branches/zip: lock_table_other_has_incompatible(): Return an incompatible lock or NULL instead of TRUE or FALSE. Approved by Sunny over IM. ------------------------------------------------------------------------ r6724 | marko | 2010-02-17 15:52:05 +0200 (Wed, 17 Feb 2010) | 11 lines Changed paths: M /branches/zip/os/os0file.c branches/zip: Merge revisions 6613:6669 from branches/5.1: ------------------------------------------------------------------------ r6669 | jyang | 2010-02-11 12:24:19 +0200 (Thu, 11 Feb 2010) | 7 lines branches/5.1: Fix bug #50691, AIX implementation of readdir_r causes InnoDB errors. readdir_r() returns an non-NULL value in the case of reaching the end of a directory. It should not be treated as an error return. rb://238 approved by Marko ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6726 | marko | 2010-02-17 18:49:21 +0200 (Wed, 17 Feb 2010) | 3 lines Changed paths: M /branches/zip/include/fil0fil.h branches/zip: FIL_PAGE_FILE_FLUSH_LSN: Note that the field is only valid for the first page of each ibdata* file, not *.ibd files. Suggested by Heikki, in connection with the LSN warning noted in Issue #341. ------------------------------------------------------------------------ r6727 | marko | 2010-02-17 18:50:20 +0200 (Wed, 17 Feb 2010) | 2 lines Changed paths: M /branches/zip/fsp/fsp0fsp.c branches/zip: fsp_init_file_page_low(): Declare the page uninitialized for Valgrind. ------------------------------------------------------------------------ r6728 | marko | 2010-02-17 18:54:04 +0200 (Wed, 17 Feb 2010) | 3 lines Changed paths: M /branches/zip/fsp/fsp0fsp.c M /branches/zip/include/univ.i branches/zip: Remove UNIV_BASIC_LOG_DEBUG. This fixes the FILE_FLUSH_LSN printouts mentioned in Issue #341. Suggested by Heikki. ------------------------------------------------------------------------ r6740 | sunny | 2010-02-18 13:44:31 +0200 (Thu, 18 Feb 2010) | 6 lines Changed paths: M /branches/zip/lock/lock0lock.c branches/zip: Don't print the entire lock bit set if the block was not found in the buffer pool. Only print the bits that are set and that information is in the lock and not in the block. See rb://256 approved by Marko. ------------------------------------------------------------------------ r6749 | vasil | 2010-02-20 18:45:41 +0200 (Sat, 20 Feb 2010) | 5 lines Changed paths: M /branches/embedded-1.0/btr/btr0btr.c M /branches/embedded-1.0/btr/btr0cur.c M /branches/embedded-1.0/btr/btr0pcur.c M /branches/embedded-1.0/buf/buf0buf.c M /branches/embedded-1.0/buf/buf0flu.c M /branches/embedded-1.0/buf/buf0lru.c M /branches/embedded-1.0/dict/dict0boot.c M /branches/embedded-1.0/dict/dict0crea.c M /branches/embedded-1.0/dict/dict0dict.c M /branches/embedded-1.0/dict/dict0load.c M /branches/embedded-1.0/fil/fil0fil.c M /branches/embedded-1.0/fsp/fsp0fsp.c M /branches/embedded-1.0/ibuf/ibuf0ibuf.c M /branches/embedded-1.0/include/btr0btr.h M /branches/embedded-1.0/include/btr0cur.h M /branches/embedded-1.0/include/btr0pcur.h M /branches/embedded-1.0/include/btr0pcur.ic M /branches/embedded-1.0/include/buf0buf.h M /branches/embedded-1.0/include/buf0buf.ic M /branches/embedded-1.0/include/dict0boot.h M /branches/embedded-1.0/include/fil0fil.h M /branches/embedded-1.0/include/lock0lock.h M /branches/embedded-1.0/include/log0log.h M /branches/embedded-1.0/include/log0log.ic M /branches/embedded-1.0/include/log0recv.h M /branches/embedded-1.0/include/mem0dbg.h M /branches/embedded-1.0/include/mem0dbg.ic M /branches/embedded-1.0/include/mem0mem.h M /branches/embedded-1.0/include/mem0mem.ic M /branches/embedded-1.0/include/os0file.h M /branches/embedded-1.0/include/os0sync.h M /branches/embedded-1.0/include/os0sync.ic M /branches/embedded-1.0/include/os0thread.h M /branches/embedded-1.0/include/que0que.h M /branches/embedded-1.0/include/que0que.ic M /branches/embedded-1.0/include/row0merge.h M /branches/embedded-1.0/include/row0prebuilt.h M /branches/embedded-1.0/include/srv0srv.h M /branches/embedded-1.0/include/sync0sync.h M /branches/embedded-1.0/include/trx0rseg.h M /branches/embedded-1.0/include/trx0sys.h M /branches/embedded-1.0/include/trx0trx.h M /branches/embedded-1.0/include/trx0types.h M /branches/embedded-1.0/include/trx0undo.h M /branches/embedded-1.0/include/trx0xa.h M /branches/embedded-1.0/include/univ.i M /branches/embedded-1.0/include/ut0vec.h M /branches/embedded-1.0/include/ut0vec.ic M /branches/embedded-1.0/lock/lock0lock.c M /branches/embedded-1.0/log/log0log.c M /branches/embedded-1.0/log/log0recv.c M /branches/embedded-1.0/mem/mem0mem.c M /branches/embedded-1.0/os/os0file.c M /branches/embedded-1.0/os/os0thread.c M /branches/embedded-1.0/page/page0page.c M /branches/embedded-1.0/rem/rem0rec.c M /branches/embedded-1.0/row/row0ins.c M /branches/embedded-1.0/row/row0merge.c M /branches/embedded-1.0/row/row0prebuilt.c M /branches/embedded-1.0/row/row0sel.c M /branches/embedded-1.0/row/row0umod.c M /branches/embedded-1.0/row/row0undo.c M /branches/embedded-1.0/row/row0upd.c M /branches/embedded-1.0/srv/srv0srv.c M /branches/embedded-1.0/srv/srv0start.c M /branches/embedded-1.0/sync/sync0sync.c M /branches/embedded-1.0/trx/trx0sys.c M /branches/embedded-1.0/trx/trx0trx.c M /branches/embedded-1.0/trx/trx0undo.c M /branches/embedded-1.0/ut/ut0mem.c M /branches/innodb+/btr/btr0btr.c M /branches/innodb+/btr/btr0cur.c M /branches/innodb+/btr/btr0pcur.c M /branches/innodb+/buf/buf0buf.c M /branches/innodb+/buf/buf0lru.c M /branches/innodb+/dict/dict0crea.c M /branches/innodb+/dict/dict0dict.c M /branches/innodb+/dict/dict0load.c M /branches/innodb+/handler/ha_innodb.cc M /branches/innodb+/handler/ha_innodb.h M /branches/innodb+/handler/handler0alter.cc M /branches/innodb+/include/btr0btr.h M /branches/innodb+/include/btr0cur.h M /branches/innodb+/include/btr0pcur.h M /branches/innodb+/include/btr0pcur.ic M /branches/innodb+/include/buf0buf.h M /branches/innodb+/include/log0log.h M /branches/innodb+/include/mem0dbg.h M /branches/innodb+/include/mem0dbg.ic M /branches/innodb+/include/os0file.h M /branches/innodb+/include/row0mysql.h M /branches/innodb+/include/srv0srv.h M /branches/innodb+/include/sync0sync.h M /branches/innodb+/include/trx0trx.h M /branches/innodb+/lock/lock0lock.c M /branches/innodb+/log/log0log.c M /branches/innodb+/log/log0recv.c M /branches/innodb+/mem/mem0dbg.c M /branches/innodb+/os/os0file.c M /branches/innodb+/page/page0page.c M /branches/innodb+/row/row0ins.c M /branches/innodb+/row/row0mysql.c M /branches/innodb+/row/row0sel.c M /branches/innodb+/srv/srv0srv.c M /branches/innodb+/srv/srv0start.c M /branches/innodb+/sync/sync0sync.c M /branches/innodb+_metrics_table/btr/btr0btr.c M /branches/innodb+_metrics_table/buf/buf0buf.c M /branches/innodb+_metrics_table/buf/buf0flu.c M /branches/innodb+_metrics_table/dict/dict0crea.c M /branches/innodb+_metrics_table/dict/dict0dict.c M /branches/innodb+_metrics_table/dict/dict0load.c M /branches/innodb+_metrics_table/handler/ha_innodb.cc M /branches/innodb+_metrics_table/handler/ha_innodb.h M /branches/innodb+_metrics_table/handler/handler0alter.cc M /branches/innodb+_metrics_table/handler/i_s.cc M /branches/innodb+_metrics_table/handler/i_s.h M /branches/innodb+_metrics_table/include/mem0dbg.h M /branches/innodb+_metrics_table/include/mem0dbg.ic M /branches/innodb+_metrics_table/include/srv0mon.h M /branches/innodb+_metrics_table/include/srv0mon.ic M /branches/innodb+_metrics_table/include/srv0srv.h M /branches/innodb+_metrics_table/lock/lock0lock.c M /branches/innodb+_metrics_table/log/log0log.c M /branches/innodb+_metrics_table/mem/mem0dbg.c M /branches/innodb+_metrics_table/os/os0file.c M /branches/innodb+_metrics_table/page/page0zip.c M /branches/innodb+_metrics_table/row/row0mysql.c M /branches/innodb+_metrics_table/row/row0purge.c M /branches/innodb+_metrics_table/row/row0sel.c M /branches/innodb+_metrics_table/srv/srv0mon.c M /branches/innodb+_metrics_table/srv/srv0srv.c M /branches/innodb+_metrics_table/sync/sync0sync.c M /branches/innodb+_metrics_table/trx/trx0roll.c M /branches/innodb+_metrics_table/trx/trx0trx.c M /branches/innodb+_persistent_stats/btr/btr0btr.c M /branches/innodb+_persistent_stats/buf/buf0buf.c M /branches/innodb+_persistent_stats/data/data0type.c M /branches/innodb+_persistent_stats/dict/dict0boot.c M /branches/innodb+_persistent_stats/dict/dict0crea.c M /branches/innodb+_persistent_stats/dict/dict0dict.c M /branches/innodb+_persistent_stats/dict/dict0load.c M /branches/innodb+_persistent_stats/dict/dict0mem.c M /branches/innodb+_persistent_stats/fil/fil0fil.c M /branches/innodb+_persistent_stats/fsp/fsp0fsp.c M /branches/innodb+_persistent_stats/handler/ha_innodb.cc M /branches/innodb+_persistent_stats/handler/ha_innodb.h M /branches/innodb+_persistent_stats/handler/handler0alter.cc M /branches/innodb+_persistent_stats/ibuf/ibuf0ibuf.c M /branches/innodb+_persistent_stats/include/btr0pcur.h M /branches/innodb+_persistent_stats/include/btr0pcur.ic M /branches/innodb+_persistent_stats/include/db0err.h M /branches/innodb+_persistent_stats/include/dict0dict.h M /branches/innodb+_persistent_stats/include/dict0mem.h M /branches/innodb+_persistent_stats/include/ha_prototypes.h M /branches/innodb+_persistent_stats/include/lock0lock.h M /branches/innodb+_persistent_stats/include/log0log.h M /branches/innodb+_persistent_stats/include/log0recv.h M /branches/innodb+_persistent_stats/include/mem0dbg.h M /branches/innodb+_persistent_stats/include/mem0dbg.ic M /branches/innodb+_persistent_stats/include/os0file.h M /branches/innodb+_persistent_stats/include/pars0pars.h M /branches/innodb+_persistent_stats/include/srv0srv.h M /branches/innodb+_persistent_stats/include/sync0sync.h M /branches/innodb+_persistent_stats/include/trx0sys.h M /branches/innodb+_persistent_stats/include/trx0trx.h M /branches/innodb+_persistent_stats/include/ut0lst.h M /branches/innodb+_persistent_stats/include/ut0ut.h M /branches/innodb+_persistent_stats/lock/lock0lock.c M /branches/innodb+_persistent_stats/log/log0log.c M /branches/innodb+_persistent_stats/log/log0recv.c M /branches/innodb+_persistent_stats/mem/mem0dbg.c M /branches/innodb+_persistent_stats/os/os0file.c M /branches/innodb+_persistent_stats/page/page0page.c M /branches/innodb+_persistent_stats/pars/pars0pars.c M /branches/innodb+_persistent_stats/row/row0merge.c M /branches/innodb+_persistent_stats/row/row0mysql.c M /branches/innodb+_persistent_stats/row/row0sel.c M /branches/innodb+_persistent_stats/row/row0umod.c M /branches/innodb+_persistent_stats/row/row0upd.c M /branches/innodb+_persistent_stats/srv/srv0srv.c M /branches/innodb+_persistent_stats/srv/srv0start.c M /branches/innodb+_persistent_stats/sync/sync0sync.c M /branches/innodb+_persistent_stats/trx/trx0i_s.c M /branches/innodb+_persistent_stats/trx/trx0sys.c M /branches/innodb+_persistent_stats/trx/trx0trx.c M /branches/innodb+_persistent_stats/ut/ut0ut.c M /branches/innofts+/handler/ha_innodb.cc M /branches/innofts+/handler/i_s.cc M /branches/innofts+/handler/i_s.h M /branches/innofts+/include/fut0fut.h M /branches/performance_schema/btr/btr0sea.c M /branches/performance_schema/buf/buf0buf.c M /branches/performance_schema/dict/dict0dict.c M /branches/performance_schema/fil/fil0fil.c M /branches/performance_schema/handler/ha_innodb.cc M /branches/performance_schema/include/srv0srv.h M /branches/performance_schema/include/sync0rw.h M /branches/performance_schema/include/sync0rw.ic M /branches/performance_schema/include/sync0sync.h M /branches/performance_schema/include/sync0sync.ic M /branches/performance_schema/include/sync0types.h M /branches/performance_schema/log/log0log.c M /branches/performance_schema/srv/srv0srv.c M /branches/performance_schema/sync/sync0rw.c M /branches/performance_schema/trx/trx0i_s.c M /branches/performance_schema/trx/trx0purge.c M /branches/plugin-2.0/buf/buf0buf.c M /branches/plugin-2.0/buf/buf0lru.c M /branches/plugin-2.0/dict/dict0boot.c M /branches/plugin-2.0/dict/dict0crea.c M /branches/plugin-2.0/dict/dict0dict.c M /branches/plugin-2.0/dict/dict0load.c M /branches/plugin-2.0/dict/dict0mem.c M /branches/plugin-2.0/fil/fil0fil.c M /branches/plugin-2.0/fsp/fsp0fsp.c M /branches/plugin-2.0/handler/ha_innodb.cc M /branches/plugin-2.0/handler/ha_innodb.h M /branches/plugin-2.0/handler/handler0alter.cc M /branches/plugin-2.0/ibuf/ibuf0ibuf.c M /branches/plugin-2.0/include/dict0mem.h M /branches/plugin-2.0/include/ha_prototypes.h M /branches/plugin-2.0/include/lock0lock.h M /branches/plugin-2.0/include/log0log.h M /branches/plugin-2.0/include/log0recv.h M /branches/plugin-2.0/include/mem0dbg.h M /branches/plugin-2.0/include/mem0dbg.ic M /branches/plugin-2.0/include/os0file.h M /branches/plugin-2.0/include/row0mysql.h M /branches/plugin-2.0/include/srv0srv.h M /branches/plugin-2.0/include/sync0sync.h M /branches/plugin-2.0/include/trx0sys.h M /branches/plugin-2.0/include/trx0trx.h M /branches/plugin-2.0/lock/lock0lock.c M /branches/plugin-2.0/log/log0log.c M /branches/plugin-2.0/log/log0recv.c M /branches/plugin-2.0/mem/mem0dbg.c M /branches/plugin-2.0/os/os0file.c M /branches/plugin-2.0/page/page0page.c M /branches/plugin-2.0/row/row0merge.c M /branches/plugin-2.0/row/row0mysql.c M /branches/plugin-2.0/row/row0sel.c M /branches/plugin-2.0/row/row0umod.c M /branches/plugin-2.0/row/row0upd.c M /branches/plugin-2.0/srv/srv0srv.c M /branches/plugin-2.0/srv/srv0start.c M /branches/plugin-2.0/sync/sync0sync.c M /branches/plugin-2.0/trx/trx0i_s.c M /branches/plugin-2.0/trx/trx0sys.c M /branches/plugin-2.0/trx/trx0trx.c M /branches/zip/btr/btr0btr.c M /branches/zip/btr/btr0cur.c M /branches/zip/btr/btr0pcur.c M /branches/zip/buf/buf0buf.c M /branches/zip/buf/buf0lru.c M /branches/zip/dict/dict0boot.c M /branches/zip/dict/dict0crea.c M /branches/zip/dict/dict0dict.c M /branches/zip/dict/dict0load.c M /branches/zip/fsp/fsp0fsp.c M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/ha_innodb.h M /branches/zip/handler/handler0alter.cc M /branches/zip/include/btr0btr.h M /branches/zip/include/btr0cur.h M /branches/zip/include/btr0pcur.h M /branches/zip/include/btr0pcur.ic M /branches/zip/include/buf0buf.h M /branches/zip/include/dict0boot.h M /branches/zip/include/fil0fil.h M /branches/zip/include/log0log.h M /branches/zip/include/log0log.ic M /branches/zip/include/log0recv.h M /branches/zip/include/mem0dbg.h M /branches/zip/include/mem0dbg.ic M /branches/zip/include/mem0mem.h M /branches/zip/include/mem0mem.ic M /branches/zip/include/os0file.h M /branches/zip/include/que0que.h M /branches/zip/include/que0que.ic M /branches/zip/include/row0mysql.h M /branches/zip/include/srv0srv.h M /branches/zip/include/sync0sync.h M /branches/zip/include/trx0rseg.h M /branches/zip/include/trx0trx.h M /branches/zip/include/trx0types.h M /branches/zip/include/univ.i M /branches/zip/lock/lock0lock.c M /branches/zip/log/log0log.c M /branches/zip/log/log0recv.c M /branches/zip/mem/mem0dbg.c M /branches/zip/mem/mem0mem.c M /branches/zip/os/os0file.c M /branches/zip/page/page0page.c M /branches/zip/rem/rem0rec.c M /branches/zip/row/row0ins.c M /branches/zip/row/row0merge.c M /branches/zip/row/row0mysql.c M /branches/zip/row/row0sel.c M /branches/zip/row/row0umod.c M /branches/zip/srv/srv0srv.c M /branches/zip/srv/srv0start.c M /branches/zip/sync/sync0sync.c M /branches/zip/trx/trx0rseg.c M /branches/zip/trx/trx0trx.c Non-functional change: update copyright year to 2010 of the files that have been modified after 2010-01-01 according to svn. for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done ------------------------------------------------------------------------ r6750 | marko | 2010-02-22 08:57:23 +0200 (Mon, 22 Feb 2010) | 2 lines Changed paths: M /branches/zip/include/row0sel.h M /branches/zip/row/row0sel.c branches/zip: row_fetch_store_uint4(): Remove unused function. This was added to trunk in r435. ------------------------------------------------------------------------ r6754 | marko | 2010-02-24 10:56:43 +0200 (Wed, 24 Feb 2010) | 17 lines Changed paths: M /branches/zip/row/row0merge.c branches/zip: Allocate the merge sort buffers from a heap, not stack. The merge sort can use up to 48KiB of buffers when merging blocks. That can cause a stack overflow, especially on 64-bit systems when not building with inlined functions. This was reported as Issue #462. row_merge_dup_report(): Allocate buf and offsets from a heap. row_merge_heap_create(): Allocate space for buf[3] too. Fix bogus sizeof arithmetics that happened to work, because sizeof(ulint)==sizeof(void*). row_merge_blocks(), row_merge_blocks_copy(): Allocate buf[3] from heap. row_merge_insert_index_tuples(): Allocate buf from graph_heap. rb://258 approved and tested by Sunny Bains ------------------------------------------------------------------------ r6767 | calvin | 2010-03-01 18:16:10 +0200 (Mon, 01 Mar 2010) | 3 lines Changed paths: M /branches/zip/srv/srv0srv.c branches/zip: fix bug#51587 Non-functional change. ------------------------------------------------------------------------ r6768 | vasil | 2010-03-02 18:20:48 +0200 (Tue, 02 Mar 2010) | 5 lines Changed paths: M /branches/zip/include/btr0btr.h M /branches/zip/include/btr0btr.ic branches/zip: Add a NOTE to the comment of btr_node_ptr_get_child_page_no() to prevent mysterious bugs. ------------------------------------------------------------------------ r6770 | marko | 2010-03-03 12:52:55 +0200 (Wed, 03 Mar 2010) | 12 lines Changed paths: M /branches/zip/handler/handler0alter.cc M /branches/zip/mysql-test/innodb-index.result M /branches/zip/mysql-test/innodb-index.test M /branches/zip/mysql-test/innodb.result M /branches/zip/mysql-test/innodb.test branches/zip: Disallow duplicate index name when creating an index. This should fix Mantis Issue #461. innodb.test, innodb.result, innodb-index.test, innodb-index.result: Adjust the test result and mention that the introduced restriction has been reported as MySQL Bug #51451. innobase_check_index_keys(): Add a parameter for the InnoDB table and check that no duplicate index name is added. Report errors by my_error() instead of sql_print_error(). rb://260 approved by Sunny Bains ------------------------------------------------------------------------ r6771 | marko | 2010-03-03 14:52:43 +0200 (Wed, 03 Mar 2010) | 1 line Changed paths: M /branches/zip/ChangeLog Document r6770. ------------------------------------------------------------------------ r6773 | marko | 2010-03-03 15:31:54 +0200 (Wed, 03 Mar 2010) | 2 lines Changed paths: M /branches/zip/row/row0row.c branches/zip: row_raw_format(): Silence a GCC 4.4.2 warning of possibly uninitialized variable format_in_hex. ------------------------------------------------------------------------ --- ChangeLog | 30 +++++++ btr/btr0cur.c | 4 +- buf/buf0buf.c | 27 +++++- dict/dict0boot.c | 7 +- dict/dict0dict.c | 4 +- fsp/fsp0fsp.c | 6 +- handler/handler0alter.cc | 72 ++++++++-------- include/btr0btr.h | 4 + include/btr0btr.ic | 4 + include/btr0pcur.h | 9 +- include/btr0pcur.ic | 19 +---- include/dict0boot.h | 3 +- include/fil0fil.h | 9 +- include/log0log.ic | 11 ++- include/log0recv.h | 8 +- include/mem0mem.h | 2 +- include/mem0mem.ic | 2 +- include/que0que.h | 13 ++- include/que0que.ic | 16 +++- include/row0sel.h | 11 --- include/trx0rseg.h | 13 +-- include/trx0trx.h | 65 ++++++++------- include/trx0types.h | 9 +- include/univ.i | 7 +- lock/lock0lock.c | 144 +++++++++++++++++++------------- log/log0recv.c | 20 +++-- mem/mem0mem.c | 2 +- mysql-test/innodb-index.result | 3 +- mysql-test/innodb-index.test | 2 + mysql-test/innodb.result | 10 ++- mysql-test/innodb.test | 11 +++ os/os0file.c | 10 ++- rem/rem0rec.c | 18 +--- row/row0merge.c | 148 +++++++++++++++++++++------------ row/row0mysql.c | 133 ++++++++++++++--------------- row/row0row.c | 15 ++-- row/row0sel.c | 41 ++------- row/row0umod.c | 31 ++++--- srv/srv0srv.c | 11 ++- srv/srv0start.c | 24 +++--- trx/trx0rseg.c | 38 +-------- trx/trx0trx.c | 3 +- 42 files changed, 562 insertions(+), 457 deletions(-) diff --git a/ChangeLog b/ChangeLog index d727501ea9a..81d60808905 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,27 @@ +2010-03-03 The InnoDB Team + + * handler/handler0alter.cc, innodb-index.result, innodb-index.test, + innodb.result, innodb.test: + Disallow a duplicate index name when creating an index. + +2010-02-11 The InnoDB Team + + * include/mem0mem.h, include/mem0mem.ic, mem/mem0mem.c: + Fix Bug #49535 Available memory check slows down crash + recovery tens of times + +2010-02-09 The InnoDB Team + + * buf/buf0buf.c: + Fix Bug #38901 InnoDB logs error repeatedly when trying to load + page into buffer pool + +2010-02-09 The InnoDB Team + + * srv/srv0srv.c: + Let the master thread sleep if the amount of work to be done is + calibrated as taking less than a second. + 2010-02-04 The InnoDB Team * btr/btr0btr.c, btr/btr0cur.c, btr/btr0pcur.c, buf/buf0buf.c, @@ -7,6 +31,12 @@ b-tree cursor functions to the buffer pool requests, in order to make the latch diagnostics more accurate. +2010-02-03 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#49001 SHOW INNODB STATUS deadlock info incorrect + when deadlock detection aborts + 2010-02-03 The InnoDB Team * buf/buf0lru.c: diff --git a/btr/btr0cur.c b/btr/btr0cur.c index c5e158a9951..ec487344d89 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -4402,7 +4402,7 @@ btr_free_externally_stored_field( /* In the rollback of uncommitted transactions, we may encounter a clustered index record whose BLOBs have not been written. There is nothing to free then. */ - ut_a(rb_ctx == RB_RECOVERY); + ut_a(rb_ctx == RB_RECOVERY || rb_ctx == RB_RECOVERY_PURGE_REC); return; } @@ -4448,7 +4448,7 @@ btr_free_externally_stored_field( || (mach_read_from_1(field_ref + BTR_EXTERN_LEN) & BTR_EXTERN_OWNER_FLAG) /* Rollback and inherited field */ - || (rb_ctx != RB_NONE + || ((rb_ctx == RB_NORMAL || rb_ctx == RB_RECOVERY) && (mach_read_from_1(field_ref + BTR_EXTERN_LEN) & BTR_EXTERN_INHERITED_FLAG))) { diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c7fc3c54cd8..f91f028f4f2 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -243,6 +243,8 @@ the read requests for the whole area. #ifndef UNIV_HOTBACKUP /** Value in microseconds */ static const int WAIT_FOR_READ = 5000; +/** Number of attemtps made to read in a page in the buffer pool */ +static const ulint BUF_PAGE_READ_MAX_RETRIES = 100; /** The buffer buf_pool of the database */ UNIV_INTERN buf_pool_t* buf_pool = NULL; @@ -2101,6 +2103,7 @@ buf_page_get_gen( unsigned access_time; ulint fix_type; ibool must_read; + ulint retries = 0; ut_ad(mtr); ut_ad((rw_latch == RW_S_LATCH) @@ -2162,7 +2165,29 @@ loop2: return(NULL); } - buf_read_page(space, zip_size, offset); + if (buf_read_page(space, zip_size, offset)) { + retries = 0; + } else if (retries < BUF_PAGE_READ_MAX_RETRIES) { + ++retries; + } else { + fprintf(stderr, "InnoDB: Error: Unable" + " to read tablespace %lu page no" + " %lu into the buffer pool after" + " %lu attempts\n" + "InnoDB: The most probable cause" + " of this error may be that the" + " table has been corrupted.\n" + "InnoDB: You can try to fix this" + " problem by using" + " innodb_force_recovery.\n" + "InnoDB: Please see reference manual" + " for more details.\n" + "InnoDB: Aborting...\n", + space, offset, + BUF_PAGE_READ_MAX_RETRIES); + + ut_error; + } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(++buf_dbg_counter % 37 || buf_validate()); diff --git a/dict/dict0boot.c b/dict/dict0boot.c index 8f948c06c51..70b5bfa99f7 100644 --- a/dict/dict0boot.c +++ b/dict/dict0boot.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -358,7 +358,7 @@ dict_boot(void) dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); dict_mem_table_add_col(table, heap, "PAGE_NO", DATA_INT, 0, 4); - /* The '+ 2' below comes from the 2 system fields */ + /* The '+ 2' below comes from the fields DB_TRX_ID, DB_ROLL_PTR */ #if DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2 #error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2" #endif @@ -367,6 +367,9 @@ dict_boot(void) #endif #if DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2 #error "DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2" +#endif +#if DICT_SYS_INDEXES_NAME_FIELD != 1 + 2 +#error "DICT_SYS_INDEXES_NAME_FIELD != 1 + 2" #endif table->id = DICT_INDEXES_ID; diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 3ae261c93d6..8a03151d062 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -140,7 +140,7 @@ static void dict_field_print_low( /*=================*/ - dict_field_t* field); /*!< in: field */ + const dict_field_t* field); /*!< in: field */ /*********************************************************************//** Frees a foreign key struct. */ static @@ -4403,7 +4403,7 @@ static void dict_field_print_low( /*=================*/ - dict_field_t* field) /*!< in: field */ + const dict_field_t* field) /*!< in: field */ { ut_ad(mutex_own(&(dict_sys->mutex))); diff --git a/fsp/fsp0fsp.c b/fsp/fsp0fsp.c index 9b53e5585be..c7f1a299d8a 100644 --- a/fsp/fsp0fsp.c +++ b/fsp/fsp0fsp.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -869,9 +869,7 @@ fsp_init_file_page_low( return; } -#ifdef UNIV_BASIC_LOG_DEBUG - memset(page, 0xff, UNIV_PAGE_SIZE); -#endif + UNIV_MEM_INVALID(page, UNIV_PAGE_SIZE); mach_write_to_4(page + FIL_PAGE_OFFSET, buf_block_get_page_no(block)); memset(page + FIL_PAGE_LSN, 0, 8); mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 6492bfa35fb..1c99cd8e984 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -229,9 +229,11 @@ static int innobase_check_index_keys( /*======================*/ - const KEY* key_info, /*!< in: Indexes to be created */ - ulint num_of_keys) /*!< in: Number of indexes to - be created */ + const KEY* key_info, /*!< in: Indexes to be + created */ + ulint num_of_keys, /*!< in: Number of + indexes to be created */ + const dict_table_t* table) /*!< in: Existing indexes */ { ulint key_num; @@ -248,9 +250,22 @@ innobase_check_index_keys( const KEY& key2 = key_info[i]; if (0 == strcmp(key.name, key2.name)) { - sql_print_error("InnoDB: key name `%s` appears" - " twice in CREATE INDEX\n", - key.name); + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + key.name); + + return(ER_WRONG_NAME_FOR_INDEX); + } + } + + /* Check that the same index name does not already exist. */ + + for (const dict_index_t* index + = dict_table_get_first_index(table); + index; index = dict_table_get_next_index(index)) { + + if (0 == strcmp(key.name, index->name)) { + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + key.name); return(ER_WRONG_NAME_FOR_INDEX); } @@ -258,7 +273,7 @@ innobase_check_index_keys( /* Check that MySQL does not try to create a column prefix index field on an inappropriate data type and - that the same colum does not appear twice in the index. */ + that the same column does not appear twice in the index. */ for (ulint i = 0; i < key.key_parts; i++) { const KEY_PART_INFO& key_part1 @@ -289,14 +304,8 @@ innobase_check_index_keys( } } - sql_print_error("InnoDB: MySQL is trying to" - " create a column prefix" - " index field on an" - " inappropriate data type." - " column `%s`," - " index `%s`.\n", - field->field_name, - key.name); + my_error(ER_WRONG_KEY_COLUMN, MYF(0), + field->field_name); return(ER_WRONG_KEY_COLUMN); } @@ -309,11 +318,8 @@ innobase_check_index_keys( continue; } - sql_print_error("InnoDB: column `%s`" - " is not allowed to occur" - " twice in index `%s`.\n", - key_part1.field->field_name, - key.name); + my_error(ER_WRONG_KEY_COLUMN, MYF(0), + key_part1.field->field_name); return(ER_WRONG_KEY_COLUMN); } } @@ -656,12 +662,18 @@ ha_innobase::add_index( innodb_table = indexed_table = dict_table_get(prebuilt->table->name, FALSE); + if (UNIV_UNLIKELY(!innodb_table)) { + error = HA_ERR_NO_SUCH_TABLE; + goto err_exit; + } + /* Check if the index name is reserved. */ if (innobase_index_name_is_reserved(trx, key_info, num_of_keys)) { error = -1; } else { /* Check that index keys are sensible */ - error = innobase_check_index_keys(key_info, num_of_keys); + error = innobase_check_index_keys(key_info, num_of_keys, + innodb_table); } if (UNIV_UNLIKELY(error)) { @@ -803,18 +815,6 @@ err_exit: index, num_of_idx, table); error_handling: -#ifdef UNIV_DEBUG - /* TODO: At the moment we can't handle the following statement - in our debugging code below: - - alter table t drop index b, add index (b); - - The fix will have to parse the SQL and note that the index - being added has the same name as the one being dropped and - ignore that in the dup index check.*/ - //dict_table_check_for_dup_indexes(prebuilt->table); -#endif - /* After an error, remove all those index definitions from the dictionary which were defined. */ @@ -826,6 +826,8 @@ error_handling: row_mysql_lock_data_dictionary(trx); dict_locked = TRUE; + ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); + if (!new_primary) { error = row_merge_rename_indexes(trx, indexed_table); @@ -1206,9 +1208,7 @@ ha_innobase::final_drop_index( valid index entry count in the translation table to zero */ share->idx_trans_tbl.index_count = 0; -#ifdef UNIV_DEBUG - dict_table_check_for_dup_indexes(prebuilt->table); -#endif + ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); func_exit: trx_commit_for_mysql(trx); diff --git a/include/btr0btr.h b/include/btr0btr.h index cb2d3bb0339..8764ac2e6de 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -203,6 +203,10 @@ btr_leaf_page_release( mtr_t* mtr); /*!< in: mtr */ /**************************************************************//** Gets the child node file address in a node pointer. +NOTE: the offsets array must contain all offsets for the record since +we read the last field according to offsets and assume that it contains +the child page number. In other words offsets must have been retrieved +with rec_get_offsets(n_fields=ULINT_UNDEFINED). @return child node address */ UNIV_INLINE ulint diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 2259d22c9a6..4ec27117d85 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -255,6 +255,10 @@ btr_page_set_prev( /**************************************************************//** Gets the child node file address in a node pointer. +NOTE: the offsets array must contain all offsets for the record since +we read the last field according to offsets and assume that it contains +the child page number. In other words offsets must have been retrieved +with rec_get_offsets(n_fields=ULINT_UNDEFINED). @return child node address */ UNIV_INLINE ulint diff --git a/include/btr0pcur.h b/include/btr0pcur.h index dce8c846715..2334a266280 100644 --- a/include/btr0pcur.h +++ b/include/btr0pcur.h @@ -281,20 +281,13 @@ btr_pcur_get_mtr( /*=============*/ btr_pcur_t* cursor); /*!< in: persistent cursor */ /**************************************************************//** -Commits the pcur mtr and sets the pcur latch mode to BTR_NO_LATCHES, +Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, that is, the cursor becomes detached. If there have been modifications to the page where pcur is positioned, this can be used instead of btr_pcur_release_leaf. Function btr_pcur_store_position should be used before calling this, if restoration of cursor is wanted later. */ UNIV_INLINE void -btr_pcur_commit( -/*============*/ - btr_pcur_t* pcur); /*!< in: persistent cursor */ -/**************************************************************//** -Differs from btr_pcur_commit in that we can specify the mtr to commit. */ -UNIV_INLINE -void btr_pcur_commit_specify_mtr( /*========================*/ btr_pcur_t* pcur, /*!< in: persistent cursor */ diff --git a/include/btr0pcur.ic b/include/btr0pcur.ic index f10e1c95cdf..0c38797e6c5 100644 --- a/include/btr0pcur.ic +++ b/include/btr0pcur.ic @@ -395,30 +395,13 @@ btr_pcur_move_to_next( } /**************************************************************//** -Commits the pcur mtr and sets the pcur latch mode to BTR_NO_LATCHES, +Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, that is, the cursor becomes detached. If there have been modifications to the page where pcur is positioned, this can be used instead of btr_pcur_release_leaf. Function btr_pcur_store_position should be used before calling this, if restoration of cursor is wanted later. */ UNIV_INLINE void -btr_pcur_commit( -/*============*/ - btr_pcur_t* pcur) /*!< in: persistent cursor */ -{ - ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); - - pcur->latch_mode = BTR_NO_LATCHES; - - mtr_commit(pcur->mtr); - - pcur->pos_state = BTR_PCUR_WAS_POSITIONED; -} - -/**************************************************************//** -Differs from btr_pcur_commit in that we can specify the mtr to commit. */ -UNIV_INLINE -void btr_pcur_commit_specify_mtr( /*========================*/ btr_pcur_t* pcur, /*!< in: persistent cursor */ diff --git a/include/dict0boot.h b/include/dict0boot.h index 51d37ee98d1..e01fafe652d 100644 --- a/include/dict0boot.h +++ b/include/dict0boot.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -137,6 +137,7 @@ clustered index */ #define DICT_SYS_INDEXES_PAGE_NO_FIELD 8 #define DICT_SYS_INDEXES_SPACE_NO_FIELD 7 #define DICT_SYS_INDEXES_TYPE_FIELD 6 +#define DICT_SYS_INDEXES_NAME_FIELD 3 /* When a row id which is zero modulo this number (which must be a power of two) is assigned, the field DICT_HDR_ROW_ID on the dictionary header page is diff --git a/include/fil0fil.h b/include/fil0fil.h index d3159d67e1c..36660d9845b 100644 --- a/include/fil0fil.h +++ b/include/fil0fil.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -110,9 +110,10 @@ extern fil_addr_t fil_addr_null; contents of this field is valid for all uncompressed pages. */ #define FIL_PAGE_FILE_FLUSH_LSN 26 /*!< this is only defined for the - first page in a data file: the file - has been flushed to disk at least up - to this lsn */ + first page in a system tablespace + data file (ibdata*, not *.ibd): + the file has been flushed to disk + at least up to this lsn */ #define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /*!< starting from 4.1.x this contains the space id of the page */ #define FIL_PAGE_DATA 38 /*!< start of the data on the page */ diff --git a/include/log0log.ic b/include/log0log.ic index 36d151a3064..139f4041a36 100644 --- a/include/log0log.ic +++ b/include/log0log.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -314,12 +314,15 @@ log_reserve_and_write_fast( ulint data_len; #ifdef UNIV_LOG_LSN_DEBUG /* length of the LSN pseudo-record */ - ulint lsn_len = 1 - + mach_get_compressed_size(log_sys->lsn >> 32) - + mach_get_compressed_size(log_sys->lsn & 0xFFFFFFFFUL); + ulint lsn_len; #endif /* UNIV_LOG_LSN_DEBUG */ mutex_enter(&log_sys->mutex); +#ifdef UNIV_LOG_LSN_DEBUG + lsn_len = 1 + + mach_get_compressed_size(log_sys->lsn >> 32) + + mach_get_compressed_size(log_sys->lsn & 0xFFFFFFFFUL); +#endif /* UNIV_LOG_LSN_DEBUG */ data_len = len #ifdef UNIV_LOG_LSN_DEBUG diff --git a/include/log0recv.h b/include/log0recv.h index 35576bb579d..3209799e140 100644 --- a/include/log0recv.h +++ b/include/log0recv.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -176,6 +176,12 @@ UNIV_INTERN void recv_recovery_from_checkpoint_finish(void); /*======================================*/ +/********************************************************//** +Initiates the rollback of active transactions. */ +UNIV_INTERN +void +recv_recovery_rollback_active(void); +/*===============================*/ /*******************************************************//** Scans log from a buffer and stores new log data to the parsing buffer. Parses and hashes the log records if new data found. Unless diff --git a/include/mem0mem.h b/include/mem0mem.h index f8c70711c43..5181bb4c9f7 100644 --- a/include/mem0mem.h +++ b/include/mem0mem.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/mem0mem.ic b/include/mem0mem.ic index cb681c3f724..cbce2edc661 100644 --- a/include/mem0mem.ic +++ b/include/mem0mem.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/que0que.h b/include/que0que.h index 420f34550e2..39f8d07af89 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -30,6 +30,7 @@ Created 5/27/1996 Heikki Tuuri #include "data0data.h" #include "dict0types.h" #include "trx0trx.h" +#include "trx0roll.h" #include "srv0srv.h" #include "usr0types.h" #include "que0types.h" @@ -215,6 +216,16 @@ trx_t* thr_get_trx( /*========*/ que_thr_t* thr); /*!< in: query thread */ +/*******************************************************************//** +Determines if this thread is rolling back an incomplete transaction +in crash recovery. +@return TRUE if thr is rolling back an incomplete transaction in crash +recovery */ +UNIV_INLINE +ibool +thr_is_recv( +/*========*/ + const que_thr_t* thr); /*!< in: query thread */ /***********************************************************************//** Gets the type of a graph node. */ UNIV_INLINE diff --git a/include/que0que.ic b/include/que0que.ic index a1c0dc1e77a..bd936670e1e 100644 --- a/include/que0que.ic +++ b/include/que0que.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -38,6 +38,20 @@ thr_get_trx( return(thr->graph->trx); } +/*******************************************************************//** +Determines if this thread is rolling back an incomplete transaction +in crash recovery. +@return TRUE if thr is rolling back an incomplete transaction in crash +recovery */ +UNIV_INLINE +ibool +thr_is_recv( +/*========*/ + const que_thr_t* thr) /*!< in: query thread */ +{ + return(trx_is_recv(thr->graph->trx)); +} + /***********************************************************************//** Gets the first thr in a fork. */ UNIV_INLINE diff --git a/include/row0sel.h b/include/row0sel.h index 01a5afaa23e..430493e4cde 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -105,17 +105,6 @@ row_fetch_print( /*============*/ void* row, /*!< in: sel_node_t* */ void* user_arg); /*!< in: not used */ -/****************************************************************//** -Callback function for fetch that stores an unsigned 4 byte integer to the -location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length -= 4. -@return always returns NULL */ -UNIV_INTERN -void* -row_fetch_store_uint4( -/*==================*/ - void* row, /*!< in: sel_node_t* */ - void* user_arg); /*!< in: data pointer */ /***********************************************************//** Prints a row in a select result. @return query thread to run next or NULL */ diff --git a/include/trx0rseg.h b/include/trx0rseg.h index ba1fc88b6c4..a25d84f1e84 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -114,17 +114,6 @@ trx_rseg_list_and_array_init( /*=========================*/ trx_sysf_t* sys_header, /*!< in: trx system header */ mtr_t* mtr); /*!< in: mtr */ -/****************************************************************//** -Creates a new rollback segment to the database. -@return the created segment object, NULL if fail */ -UNIV_INTERN -trx_rseg_t* -trx_rseg_create( -/*============*/ - ulint space, /*!< in: space id */ - ulint max_size, /*!< in: max size in pages */ - ulint* id, /*!< out: rseg id */ - mtr_t* mtr); /*!< in: mtr */ /*************************************************************************** Free's an instance of the rollback segment in memory. */ UNIV_INTERN diff --git a/include/trx0trx.h b/include/trx0trx.h index 6651a0847f0..480f265a138 100644 --- a/include/trx0trx.h +++ b/include/trx0trx.h @@ -349,7 +349,7 @@ trx_print( use the default max length */ /** Type of data dictionary operation */ -enum trx_dict_op { +typedef enum trx_dict_op { /** The transaction is not modifying the data dictionary. */ TRX_DICT_OP_NONE = 0, /** The transaction is creating a table or an index, or @@ -361,7 +361,7 @@ enum trx_dict_op { existing table. In crash recovery, the data dictionary must be locked, but the table must not be dropped. */ TRX_DICT_OP_INDEX = 2 -}; +} trx_dict_op_t; /**********************************************************************//** Determine if a transaction is a dictionary operation. @@ -463,72 +463,79 @@ rolling back after a database recovery */ struct trx_struct{ ulint magic_n; - /* All the next fields are protected by the kernel mutex, except the - undo logs which are protected by undo_mutex */ + + /* These fields are not protected by any mutex. */ const char* op_info; /*!< English text describing the current operation, or an empty string */ - unsigned is_purge:1; /*!< 0=user transaction, 1=purge */ - unsigned is_recovered:1; /*!< 0=normal transaction, - 1=recovered, must be rolled back */ - unsigned conc_state:2; /*!< state of the trx from the point + ulint conc_state; /*!< state of the trx from the point of view of concurrency control: TRX_ACTIVE, TRX_COMMITTED_IN_MEMORY, ... */ - unsigned que_state:2; /*!< valid when conc_state == TRX_ACTIVE: - TRX_QUE_RUNNING, TRX_QUE_LOCK_WAIT, - ... */ - unsigned isolation_level:2;/* TRX_ISO_REPEATABLE_READ, ... */ - unsigned check_foreigns:1;/* normally TRUE, but if the user + ulint isolation_level;/* TRX_ISO_REPEATABLE_READ, ... */ + ulint check_foreigns; /* normally TRUE, but if the user wants to suppress foreign key checks, (in table imports, for example) we set this FALSE */ - unsigned check_unique_secondary:1; + ulint check_unique_secondary; /* normally TRUE, but if the user wants to speed up inserts by suppressing unique key checks for secondary indexes when we decide if we can use the insert buffer for them, we set this FALSE */ - unsigned support_xa:1; /*!< normally we do the XA two-phase + ulint support_xa; /*!< normally we do the XA two-phase commit steps, but by setting this to FALSE, one can save CPU time and about 150 bytes in the undo log size as then we skip XA steps */ - unsigned flush_log_later:1;/* In 2PC, we hold the + ulint flush_log_later;/* In 2PC, we hold the prepare_commit mutex across both phases. In that case, we defer flush of the logs to disk until after we release the mutex. */ - unsigned must_flush_log_later:1;/* this flag is set to TRUE in + ulint must_flush_log_later;/* this flag is set to TRUE in trx_commit_off_kernel() if flush_log_later was TRUE, and there were modifications by the transaction; in that case we must flush the log in trx_commit_complete_for_mysql() */ - unsigned dict_operation:2;/**< @see enum trx_dict_op */ - unsigned duplicates:2; /*!< TRX_DUP_IGNORE | TRX_DUP_REPLACE */ - unsigned active_trans:2; /*!< 1 - if a transaction in MySQL + ulint duplicates; /*!< TRX_DUP_IGNORE | TRX_DUP_REPLACE */ + ulint active_trans; /*!< 1 - if a transaction in MySQL is active. 2 - if prepare_commit_mutex was taken */ - unsigned has_search_latch:1; + ulint has_search_latch; /* TRUE if this trx has latched the search system latch in S-mode */ - unsigned declared_to_be_inside_innodb:1; + ulint deadlock_mark; /*!< a mark field used in deadlock + checking algorithm. */ + trx_dict_op_t dict_operation; /**< @see enum trx_dict_op */ + + /* Fields protected by the srv_conc_mutex. */ + ulint declared_to_be_inside_innodb; /* this is TRUE if we have declared this transaction in srv_conc_enter_innodb to be inside the InnoDB engine */ - unsigned handling_signals:1;/* this is TRUE as long as the trx - is handling signals */ - unsigned dict_operation_lock_mode:2; - /* 0, RW_S_LATCH, or RW_X_LATCH: + + /* Fields protected by dict_operation_lock. The very latch + it is used to track. */ + ulint dict_operation_lock_mode; + /*!< 0, RW_S_LATCH, or RW_X_LATCH: the latch mode trx currently holds on dict_operation_lock */ - unsigned deadlock_mark:1;/*!< a mark field used in deadlock - checking algorithm. Always protected - by the kernel_mutex. */ + + /* All the next fields are protected by the kernel mutex, except the + undo logs which are protected by undo_mutex */ + ulint is_purge; /*!< 0=user transaction, 1=purge */ + ulint is_recovered; /*!< 0=normal transaction, + 1=recovered, must be rolled back */ + ulint que_state; /*!< valid when conc_state + == TRX_ACTIVE: TRX_QUE_RUNNING, + TRX_QUE_LOCK_WAIT, ... */ + ulint handling_signals;/* this is TRUE as long as the trx + is handling signals */ time_t start_time; /*!< time the trx object was created or the state last time became TRX_ACTIVE */ diff --git a/include/trx0types.h b/include/trx0types.h index 24cf57d53d5..40a7256cbfd 100644 --- a/include/trx0types.h +++ b/include/trx0types.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -70,6 +70,13 @@ typedef struct trx_named_savept_struct trx_named_savept_t; enum trx_rb_ctx { RB_NONE = 0, /*!< no rollback */ RB_NORMAL, /*!< normal rollback */ + RB_RECOVERY_PURGE_REC, + /*!< rolling back an incomplete transaction, + in crash recovery, rolling back an + INSERT that was performed by updating a + delete-marked record; if the delete-marked record + no longer exists in an active read view, it will + be purged */ RB_RECOVERY /*!< rolling back an incomplete transaction, in crash recovery */ }; diff --git a/include/univ.i b/include/univ.i index b39035e761e..7e21794a919 100644 --- a/include/univ.i +++ b/include/univ.i @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Copyright (c) 2009, Sun Microsystems, Inc. @@ -232,11 +232,6 @@ by one. */ /* the above option prevents forcing of log to disk at a buffer page write: it should be tested with this option off; also some ibuf tests are suppressed */ -/* -#define UNIV_BASIC_LOG_DEBUG -*/ - /* the above option enables basic recovery debugging: - new allocated file pages are reset */ /* Linkage specifier for non-static InnoDB symbols (variables and functions) that are only referenced from within InnoDB, not from MySQL */ diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 6e46c10cd1f..d5fff572aee 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -376,6 +376,7 @@ UNIV_INTERN FILE* lock_latest_err_file; /* Flags for recursive deadlock search */ #define LOCK_VICTIM_IS_START 1 #define LOCK_VICTIM_IS_OTHER 2 +#define LOCK_EXCEED_MAX_DEPTH 3 /********************************************************************//** Checks if a lock request results in a deadlock. @@ -394,7 +395,8 @@ Looks recursively for a deadlock. deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another -deadlock! */ +deadlock! +LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ static ulint lock_deadlock_recursive( @@ -404,10 +406,10 @@ lock_deadlock_recursive( lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... - we return LOCK_VICTIM_IS_START */ + we return LOCK_EXCEED_MAX_DEPTH */ ulint depth); /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we - return LOCK_VICTIM_IS_START */ + return LOCK_EXCEED_MAX_DEPTH */ /*********************************************************************//** Gets the nth bit of a record lock. @@ -3261,8 +3263,6 @@ lock_deadlock_occurs( lock_t* lock, /*!< in: lock the transaction is requesting */ trx_t* trx) /*!< in: transaction */ { - dict_table_t* table; - dict_index_t* index; trx_t* mark_trx; ulint ret; ulint cost = 0; @@ -3284,31 +3284,50 @@ retry: ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0); - if (ret == LOCK_VICTIM_IS_OTHER) { + switch (ret) { + case LOCK_VICTIM_IS_OTHER: /* We chose some other trx as a victim: retry if there still is a deadlock */ - goto retry; - } - if (UNIV_UNLIKELY(ret == LOCK_VICTIM_IS_START)) { - if (lock_get_type_low(lock) & LOCK_TABLE) { - table = lock->un_member.tab_lock.table; - index = NULL; - } else { - index = lock->index; - table = index->table; - } + case LOCK_EXCEED_MAX_DEPTH: + /* If the lock search exceeds the max step + or the max depth, the current trx will be + the victim. Print its information. */ + rewind(lock_latest_err_file); + ut_print_timestamp(lock_latest_err_file); - lock_deadlock_found = TRUE; - - fputs("*** WE ROLL BACK TRANSACTION (2)\n", + fputs("TOO DEEP OR LONG SEARCH IN THE LOCK TABLE" + " WAITS-FOR GRAPH, WE WILL ROLL BACK" + " FOLLOWING TRANSACTION \n", lock_latest_err_file); - return(TRUE); + fputs("\n*** TRANSACTION:\n", lock_latest_err_file); + trx_print(lock_latest_err_file, trx, 3000); + + fputs("*** WAITING FOR THIS LOCK TO BE GRANTED:\n", + lock_latest_err_file); + + if (lock_get_type(lock) == LOCK_REC) { + lock_rec_print(lock_latest_err_file, lock); + } else { + lock_table_print(lock_latest_err_file, lock); + } + break; + + case LOCK_VICTIM_IS_START: + fputs("*** WE ROLL BACK TRANSACTION (2)\n", + lock_latest_err_file); + break; + + default: + /* No deadlock detected*/ + return(FALSE); } - return(FALSE); + lock_deadlock_found = TRUE; + + return(TRUE); } /********************************************************************//** @@ -3317,7 +3336,8 @@ Looks recursively for a deadlock. deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a deadlock was found and we chose some other trx as a victim: we must do the search again in this last case because there may be another -deadlock! */ +deadlock! +LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ static ulint lock_deadlock_recursive( @@ -3327,10 +3347,10 @@ lock_deadlock_recursive( lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... - we return LOCK_VICTIM_IS_START */ + we return LOCK_EXCEED_MAX_DEPTH */ ulint depth) /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we - return LOCK_VICTIM_IS_START */ + return LOCK_EXCEED_MAX_DEPTH */ { ulint ret; lock_t* lock; @@ -3406,7 +3426,7 @@ lock_deadlock_recursive( lock_trx = lock->trx; - if (lock_trx == start || too_far) { + if (lock_trx == start) { /* We came back to the recursion starting point: a deadlock detected; or we have @@ -3453,19 +3473,10 @@ lock_deadlock_recursive( } #ifdef UNIV_DEBUG if (lock_print_waits) { - fputs("Deadlock detected" - " or too long search\n", + fputs("Deadlock detected\n", stderr); } #endif /* UNIV_DEBUG */ - if (too_far) { - - fputs("TOO DEEP OR LONG SEARCH" - " IN THE LOCK TABLE" - " WAITS-FOR GRAPH\n", ef); - - return(LOCK_VICTIM_IS_START); - } if (trx_weight_cmp(wait_lock->trx, start) >= 0) { @@ -3501,6 +3512,21 @@ lock_deadlock_recursive( return(LOCK_VICTIM_IS_OTHER); } + if (too_far) { + +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fputs("Deadlock search exceeds" + " max steps or depth.\n", + stderr); + } +#endif /* UNIV_DEBUG */ + /* The information about transaction/lock + to be rolled back is available in the top + level. Do not print anything here. */ + return(LOCK_EXCEED_MAX_DEPTH); + } + if (lock_trx->que_state == TRX_QUE_LOCK_WAIT) { /* Another trx ahead has requested lock in an @@ -3727,9 +3753,10 @@ lock_table_enqueue_waiting( /*********************************************************************//** Checks if other transactions have an incompatible mode lock request in -the lock queue. */ +the lock queue. +@return lock or NULL */ UNIV_INLINE -ibool +lock_t* lock_table_other_has_incompatible( /*==============================*/ trx_t* trx, /*!< in: transaction, or NULL if all @@ -3751,13 +3778,13 @@ lock_table_other_has_incompatible( && (!lock_mode_compatible(lock_get_mode(lock), mode)) && (wait || !(lock_get_wait(lock)))) { - return(TRUE); + return(lock); } lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, lock); } - return(FALSE); + return(NULL); } /*********************************************************************//** @@ -4282,28 +4309,29 @@ lock_rec_print( block = buf_page_try_get(space, page_no, &mtr); - if (block) { - for (i = 0; i < lock_rec_get_n_bits(lock); i++) { + for (i = 0; i < lock_rec_get_n_bits(lock); ++i) { - if (lock_rec_get_nth_bit(lock, i)) { - - const rec_t* rec - = page_find_rec_with_heap_no( - buf_block_get_frame(block), i); - offsets = rec_get_offsets( - rec, lock->index, offsets, - ULINT_UNDEFINED, &heap); - - fprintf(file, "Record lock, heap no %lu ", - (ulong) i); - rec_print_new(file, rec, offsets); - putc('\n', file); - } + if (!lock_rec_get_nth_bit(lock, i)) { + continue; } - } else { - for (i = 0; i < lock_rec_get_n_bits(lock); i++) { - fprintf(file, "Record lock, heap no %lu\n", (ulong) i); + + fprintf(file, "Record lock, heap no %lu", (ulong) i); + + if (block) { + const rec_t* rec; + + rec = page_find_rec_with_heap_no( + buf_block_get_frame(block), i); + + offsets = rec_get_offsets( + rec, lock->index, offsets, + ULINT_UNDEFINED, &heap); + + putc(' ', file); + rec_print_new(file, rec, offsets); } + + putc('\n', file); } mtr_commit(&mtr); diff --git a/log/log0recv.c b/log/log0recv.c index 33e1e4463d0..d679045115f 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -3231,8 +3231,6 @@ void recv_recovery_from_checkpoint_finish(void) /*======================================*/ { - int i; - /* Apply the hashed log records to the respective file pages */ if (srv_force_recovery < SRV_FORCE_NO_LOG_REDO) { @@ -3280,11 +3278,16 @@ recv_recovery_from_checkpoint_finish(void) The data dictionary latch should guarantee that there is at most one data dictionary transaction active at a time. */ trx_rollback_or_clean_recovered(FALSE); +} - /* Drop partially created indexes. */ - row_merge_drop_temp_indexes(); - /* Drop temporary tables. */ - row_mysql_drop_temp_tables(); +/********************************************************//** +Initiates the rollback of active transactions. */ +UNIV_INTERN +void +recv_recovery_rollback_active(void) +/*===============================*/ +{ + int i; #ifdef UNIV_SYNC_DEBUG /* Wait for a while so that created threads have time to suspend @@ -3294,6 +3297,11 @@ recv_recovery_from_checkpoint_finish(void) /* Switch latching order checks on in sync0sync.c */ sync_order_checks_on = TRUE; #endif + /* Drop partially created indexes. */ + row_merge_drop_temp_indexes(); + /* Drop temporary tables. */ + row_mysql_drop_temp_tables(); + if (srv_force_recovery < SRV_FORCE_NO_TRX_UNDO) { /* Rollback the uncommitted transactions which have no user session */ diff --git a/mem/mem0mem.c b/mem/mem0mem.c index 39bbfc90313..c0ce8a3e1ac 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/mysql-test/innodb-index.result b/mysql-test/innodb-index.result index 3f7c708f011..f384b825a2c 100644 --- a/mysql-test/innodb-index.result +++ b/mysql-test/innodb-index.result @@ -434,6 +434,7 @@ t3 CREATE TABLE `t3` ( KEY `c` (`c`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 alter table t2 drop index b, add index (b); +ERROR 42000: Incorrect index name 'b' show create table t2; Table Create Table t2 CREATE TABLE `t2` ( @@ -444,8 +445,8 @@ t2 CREATE TABLE `t2` ( `e` int(11) DEFAULT NULL, PRIMARY KEY (`a`), UNIQUE KEY `dc` (`d`,`c`), - KEY `c` (`c`), KEY `b` (`b`), + KEY `c` (`c`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE, CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`), CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`) diff --git a/mysql-test/innodb-index.test b/mysql-test/innodb-index.test index b0477e2f544..da1bc543ae9 100644 --- a/mysql-test/innodb-index.test +++ b/mysql-test/innodb-index.test @@ -131,6 +131,8 @@ show create table t4; --error ER_CANT_CREATE_TABLE alter table t3 add constraint dc foreign key (a) references t1(a); show create table t3; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t2 drop index b, add index (b); show create table t2; --error ER_ROW_IS_REFERENCED_2 diff --git a/mysql-test/innodb.result b/mysql-test/innodb.result index b9cf5b4a08e..d7f4731436b 100644 --- a/mysql-test/innodb.result +++ b/mysql-test/innodb.result @@ -692,6 +692,9 @@ select count(*) from t1 where sca_pic is null; count(*) 2 alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); select count(*) from t1 where sca_code='PD' and sca_pic is null; count(*) 1 @@ -699,6 +702,9 @@ select count(*) from t1 where cat_code='E'; count(*) 0 alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); select count(*) from t1 where sca_code='PD' and sca_pic is null; count(*) 1 @@ -1833,6 +1839,7 @@ show variables like "innodb_thread_sleep_delay"; Variable_name Value innodb_thread_sleep_delay 10000 set storage_engine=INNODB; +set session old_alter_table=1; drop table if exists t1,t2,t3; --- Testing varchar --- --- Testing varchar --- @@ -1970,7 +1977,7 @@ explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ref v v 13 const # Using where; Using index alter table t1 add unique(v); -ERROR 23000: Duplicate entry 'v' for key 'v_2' +ERROR 23000: Duplicate entry '{ ' for key 'v_2' alter table t1 add key(v); select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; qq @@ -2406,6 +2413,7 @@ select * from t1 where a=20 and b is null; a b 20 NULL drop table t1; +set session old_alter_table=0; create table t1 (v varchar(65530), key(v)); Warnings: Warning 1071 Specified key was too long; max key length is 767 bytes diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test index aa824685b13..9f9766acd82 100644 --- a/mysql-test/innodb.test +++ b/mysql-test/innodb.test @@ -427,11 +427,19 @@ INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca select count(*) from t1 where sca_code = 'PD'; select count(*) from t1 where sca_code <= 'PD'; select count(*) from t1 where sca_pic is null; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where cat_code='E'; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where sca_pic >= 'n'; select sca_pic from t1 where sca_pic is null; @@ -1377,7 +1385,10 @@ show variables like "innodb_thread_sleep_delay"; let $default=`select @@storage_engine`; set storage_engine=INNODB; +# this should be fixed by MySQL (see Bug #51451) +set session old_alter_table=1; source include/varchar.inc; +set session old_alter_table=0; # # Some errors/warnings on create diff --git a/os/os0file.c b/os/os0file.c index 8b454a6a826..db81e23d90d 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -885,7 +885,15 @@ next_file: #ifdef HAVE_READDIR_R ret = readdir_r(dir, (struct dirent*)dirent_buf, &ent); - if (ret != 0) { + if (ret != 0 +#ifdef UNIV_AIX + /* On AIX, only if we got non-NULL 'ent' (result) value and + a non-zero 'ret' (return) value, it indicates a failed + readdir_r() call. An NULL 'ent' with an non-zero 'ret' + would indicate the "end of the directory" is reached. */ + && ent != NULL +#endif + ) { fprintf(stderr, "InnoDB: cannot read directory %s, error %lu\n", dirname, (ulong)ret); diff --git a/rem/rem0rec.c b/rem/rem0rec.c index 1c8b3fd8c1e..27c11dacc8c 100644 --- a/rem/rem0rec.c +++ b/rem/rem0rec.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -695,19 +695,9 @@ rec_get_nth_field_offs_old( ulint os; ulint next_os; - ut_ad(rec && len); - ut_ad(n < rec_get_n_fields_old(rec)); - - if (UNIV_UNLIKELY(n > REC_MAX_N_FIELDS)) { - fprintf(stderr, "Error: trying to access field %lu in rec\n", - (ulong) n); - ut_error; - } - - if (UNIV_UNLIKELY(rec == NULL)) { - fputs("Error: rec is NULL pointer\n", stderr); - ut_error; - } + ut_ad(len); + ut_a(rec); + ut_a(n < rec_get_n_fields_old(rec)); if (rec_get_1byte_offs_flag(rec)) { os = rec_1_get_field_start_offs(rec, n); diff --git a/row/row0merge.c b/row/row0merge.c index fa1d6b7185f..e8b866c630a 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -429,14 +429,13 @@ row_merge_dup_report( row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ const dfield_t* entry) /*!< in: duplicate index entry */ { - mrec_buf_t buf; + mrec_buf_t* buf; const dtuple_t* tuple; dtuple_t tuple_store; const rec_t* rec; const dict_index_t* index = dup->index; ulint n_fields= dict_index_get_n_fields(index); - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; + mem_heap_t* heap; ulint* offsets; ulint n_ext; @@ -446,22 +445,22 @@ row_merge_dup_report( return; } - rec_offs_init(offsets_); - /* Convert the tuple to a record and then to MySQL format. */ + heap = mem_heap_create((1 + REC_OFFS_HEADER_SIZE + n_fields) + * sizeof *offsets + + sizeof *buf); + + buf = mem_heap_alloc(heap, sizeof *buf); tuple = dtuple_from_fields(&tuple_store, entry, n_fields); n_ext = dict_index_is_clust(index) ? dtuple_get_n_ext(tuple) : 0; - rec = rec_convert_dtuple_to_rec(buf, index, tuple, n_ext); - offsets = rec_get_offsets(rec, index, offsets_, ULINT_UNDEFINED, - &heap); + rec = rec_convert_dtuple_to_rec(*buf, index, tuple, n_ext); + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); innobase_rec_to_mysql(dup->table, rec, index, offsets); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } + mem_heap_free(heap); } /*************************************************************//** @@ -632,22 +631,26 @@ row_merge_buf_write( } /******************************************************//** -Create a memory heap and allocate space for row_merge_rec_offsets(). +Create a memory heap and allocate space for row_merge_rec_offsets() +and mrec_buf_t[3]. @return memory heap */ static mem_heap_t* row_merge_heap_create( /*==================*/ const dict_index_t* index, /*!< in: record descriptor */ + mrec_buf_t** buf, /*!< out: 3 buffers */ ulint** offsets1, /*!< out: offsets */ ulint** offsets2) /*!< out: offsets */ { ulint i = 1 + REC_OFFS_HEADER_SIZE + dict_index_get_n_fields(index); - mem_heap_t* heap = mem_heap_create(2 * i * sizeof *offsets1); + mem_heap_t* heap = mem_heap_create(2 * i * sizeof **offsets1 + + 3 * sizeof **buf); - *offsets1 = mem_heap_alloc(heap, i * sizeof *offsets1); - *offsets2 = mem_heap_alloc(heap, i * sizeof *offsets2); + *buf = mem_heap_alloc(heap, 3 * sizeof **buf); + *offsets1 = mem_heap_alloc(heap, i * sizeof **offsets1); + *offsets2 = mem_heap_alloc(heap, i * sizeof **offsets2); (*offsets1)[0] = (*offsets2)[0] = i; (*offsets1)[1] = (*offsets2)[1] = dict_index_get_n_fields(index); @@ -1410,7 +1413,8 @@ row_merge_blocks( { mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ - mrec_buf_t buf[3]; /*!< buffer for handling split mrec in block[] */ + mrec_buf_t* buf; /*!< buffer for handling + split mrec in block[] */ const byte* b0; /*!< pointer to block[0] */ const byte* b1; /*!< pointer to block[1] */ byte* b2; /*!< pointer to block[2] */ @@ -1430,7 +1434,7 @@ row_merge_blocks( } #endif /* UNIV_DEBUG */ - heap = row_merge_heap_create(index, &offsets0, &offsets1); + heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); /* Write a record and read the next record. Split the output file in two halves, which can be merged on the following pass. */ @@ -1516,7 +1520,7 @@ row_merge_blocks_copy( { mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ - mrec_buf_t buf[3]; /*!< buffer for handling + mrec_buf_t* buf; /*!< buffer for handling split mrec in block[] */ const byte* b0; /*!< pointer to block[0] */ byte* b2; /*!< pointer to block[2] */ @@ -1534,7 +1538,7 @@ row_merge_blocks_copy( } #endif /* UNIV_DEBUG */ - heap = row_merge_heap_create(index, &offsets0, &offsets1); + heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); /* Write a record and read the next record. Split the output file in two halves, which can be merged on the following pass. */ @@ -1784,7 +1788,6 @@ row_merge_insert_index_tuples( int fd, /*!< in: file descriptor */ row_merge_block_t* block) /*!< in/out: file buffer */ { - mrec_buf_t buf; const byte* b; que_thr_t* thr; ins_node_t* node; @@ -1803,7 +1806,7 @@ row_merge_insert_index_tuples( trx->op_info = "inserting index entries"; - graph_heap = mem_heap_create(500); + graph_heap = mem_heap_create(500 + sizeof(mrec_buf_t)); node = ins_node_create(INS_DIRECT, table, graph_heap); thr = pars_complete_graph_for_exec(node, trx, graph_heap); @@ -1825,12 +1828,14 @@ row_merge_insert_index_tuples( if (!row_merge_read(fd, foffs, block)) { error = DB_CORRUPTION; } else { + mrec_buf_t* buf = mem_heap_alloc(graph_heap, sizeof *buf); + for (;;) { const mrec_t* mrec; dtuple_t* dtuple; ulint n_ext; - b = row_merge_read_rec(block, &buf, b, index, + b = row_merge_read_rec(block, buf, b, index, fd, &foffs, &mrec, offsets); if (UNIV_UNLIKELY(!b)) { /* End of list, or I/O error */ @@ -2001,14 +2006,12 @@ row_merge_drop_index( /* Drop the field definitions of the index. */ "DELETE FROM SYS_FIELDS WHERE INDEX_ID = :indexid;\n" /* Drop the index definition and the B-tree. */ - "DELETE FROM SYS_INDEXES WHERE ID = :indexid\n" - " AND TABLE_ID = :tableid;\n" + "DELETE FROM SYS_INDEXES WHERE ID = :indexid;\n" "END;\n"; ut_ad(index && table && trx); pars_info_add_dulint_literal(info, "indexid", index->id); - pars_info_add_dulint_literal(info, "tableid", table->id); trx_start_if_not_started(trx); trx->op_info = "dropping index"; @@ -2057,38 +2060,79 @@ row_merge_drop_temp_indexes(void) /*=============================*/ { trx_t* trx; - ulint err; - - /* We use the private SQL parser of Innobase to generate the - query graphs needed in deleting the dictionary data from system - tables in Innobase. Deleting a row from SYS_INDEXES table also - frees the file segments of the B-tree associated with the index. */ - static const char drop_temp_indexes[] = - "PROCEDURE DROP_TEMP_INDEXES_PROC () IS\n" - "indexid CHAR;\n" - "DECLARE CURSOR c IS SELECT ID FROM SYS_INDEXES\n" - "WHERE SUBSTR(NAME,0,1)='" TEMP_INDEX_PREFIX_STR "';\n" - "BEGIN\n" - "\tOPEN c;\n" - "\tWHILE 1=1 LOOP\n" - "\t\tFETCH c INTO indexid;\n" - "\t\tIF (SQL % NOTFOUND) THEN\n" - "\t\t\tEXIT;\n" - "\t\tEND IF;\n" - "\t\tDELETE FROM SYS_FIELDS WHERE INDEX_ID = indexid;\n" - "\t\tDELETE FROM SYS_INDEXES WHERE ID = indexid;\n" - "\tEND LOOP;\n" - "\tCLOSE c;\n" - "\tCOMMIT WORK;\n" - "END;\n"; + btr_pcur_t pcur; + mtr_t mtr; + /* Load the table definitions that contain partially defined + indexes, so that the data dictionary information can be checked + when accessing the tablename.ibd files. */ trx = trx_allocate_for_background(); trx->op_info = "dropping partially created indexes"; row_mysql_lock_data_dictionary(trx); - err = que_eval_sql(NULL, drop_temp_indexes, FALSE, trx); - ut_a(err == DB_SUCCESS); + mtr_start(&mtr); + btr_pcur_open_at_index_side( + TRUE, + dict_table_get_first_index(dict_sys->sys_indexes), + BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + for (;;) { + const rec_t* rec; + const byte* field; + ulint len; + dulint table_id; + dict_table_t* table; + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + break; + } + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_NAME_FIELD, + &len); + if (len == UNIV_SQL_NULL || len == 0 + || mach_read_from_1(field) != (ulint) TEMP_INDEX_PREFIX) { + continue; + } + + /* This is a temporary index. */ + + field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len); + if (len != 8) { + /* Corrupted TABLE_ID */ + continue; + } + + table_id = mach_read_from_8(field); + + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + table = dict_load_table_on_id(table_id); + + if (table) { + dict_index_t* index; + + for (index = dict_table_get_first_index(table); + index; index = dict_table_get_next_index(index)) { + + if (*index->name == TEMP_INDEX_PREFIX) { + row_merge_drop_index(index, table, trx); + trx_commit_for_mysql(trx); + } + } + } + + mtr_start(&mtr); + btr_pcur_restore_position(BTR_SEARCH_LEAF, + &pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); row_mysql_unlock_data_dictionary(trx); trx_free_for_background(trx); } diff --git a/row/row0mysql.c b/row/row0mysql.c index 76a0fc42a51..0d8d298453c 100644 --- a/row/row0mysql.c +++ b/row/row0mysql.c @@ -3370,88 +3370,79 @@ void row_mysql_drop_temp_tables(void) /*============================*/ { - trx_t* trx; - ulint err; + trx_t* trx; + btr_pcur_t pcur; + mtr_t mtr; + mem_heap_t* heap; trx = trx_allocate_for_background(); trx->op_info = "dropping temporary tables"; row_mysql_lock_data_dictionary(trx); - err = que_eval_sql( - NULL, - "PROCEDURE DROP_TEMP_TABLES_PROC () IS\n" - "table_name CHAR;\n" - "table_id CHAR;\n" - "foreign_id CHAR;\n" - "index_id CHAR;\n" - "DECLARE CURSOR c IS SELECT NAME,ID FROM SYS_TABLES\n" - "WHERE N_COLS > 2147483647\n" - /* N_COLS>>31 is set unless ROW_FORMAT=REDUNDANT, - and MIX_LEN may be garbage for those tables */ - "AND MIX_LEN=(MIX_LEN/2*2+1);\n" - /* MIX_LEN & 1 is set for temporary tables */ -#if DICT_TF2_TEMPORARY != 1 -# error "DICT_TF2_TEMPORARY != 1" -#endif - "BEGIN\n" - "OPEN c;\n" - "WHILE 1=1 LOOP\n" - " FETCH c INTO table_name, table_id;\n" - " IF (SQL % NOTFOUND) THEN\n" - " EXIT;\n" - " END IF;\n" - " WHILE 1=1 LOOP\n" - " SELECT ID INTO index_id\n" - " FROM SYS_INDEXES\n" - " WHERE TABLE_ID = table_id\n" - " LOCK IN SHARE MODE;\n" - " IF (SQL % NOTFOUND) THEN\n" - " EXIT;\n" - " END IF;\n" + heap = mem_heap_create(200); - /* Do not drop tables for which there exist - foreign key constraints. */ - " SELECT ID INTO foreign_id\n" - " FROM SYS_FOREIGN\n" - " WHERE FOR_NAME = table_name\n" - " AND TO_BINARY(FOR_NAME)\n" - " = TO_BINARY(table_name)\n;" - " IF NOT (SQL % NOTFOUND) THEN\n" - " EXIT;\n" - " END IF;\n" + mtr_start(&mtr); - " SELECT ID INTO foreign_id\n" - " FROM SYS_FOREIGN\n" - " WHERE REF_NAME = table_name\n" - " AND TO_BINARY(REF_NAME)\n" - " = TO_BINARY(table_name)\n;" - " IF NOT (SQL % NOTFOUND) THEN\n" - " EXIT;\n" - " END IF;\n" + btr_pcur_open_at_index_side( + TRUE, + dict_table_get_first_index(dict_sys->sys_tables), + BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - " DELETE FROM SYS_FIELDS\n" - " WHERE INDEX_ID = index_id;\n" - " DELETE FROM SYS_INDEXES\n" - " WHERE ID = index_id\n" - " AND TABLE_ID = table_id;\n" - " END LOOP;\n" - " DELETE FROM SYS_COLUMNS\n" - " WHERE TABLE_ID = table_id;\n" - " DELETE FROM SYS_TABLES\n" - " WHERE ID = table_id;\n" - "END LOOP;\n" - "COMMIT WORK;\n" - "END;\n" - , FALSE, trx); + for (;;) { + const rec_t* rec; + const byte* field; + ulint len; + const char* table_name; + dict_table_t* table; - if (err != DB_SUCCESS) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Failed to drop temporary tables:" - " error %lu occurred\n", - (ulong) err); + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + break; + } + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); + if (len != 4 || !(mach_read_from_4(field) & 0x80000000UL)) { + continue; + } + + /* Because this is not a ROW_FORMAT=REDUNDANT table, + the is_temp flag is valid. Examine it. */ + + field = rec_get_nth_field_old(rec, 7/*MIX_LEN*/, &len); + if (len != 4 + || !(mach_read_from_4(field) & DICT_TF2_TEMPORARY)) { + continue; + } + + /* This is a temporary table. */ + field = rec_get_nth_field_old(rec, 0/*NAME*/, &len); + if (len == UNIV_SQL_NULL || len == 0) { + /* Corrupted SYS_TABLES.NAME */ + continue; + } + + table_name = mem_heap_strdupl(heap, (const char*) field, len); + + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + table = dict_load_table(table_name); + + if (table) { + row_drop_table_for_mysql(table_name, trx, FALSE); + trx_commit_for_mysql(trx); + } + + mtr_start(&mtr); + btr_pcur_restore_position(BTR_SEARCH_LEAF, + &pcur, &mtr); } + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); row_mysql_unlock_data_dictionary(trx); trx_free_for_background(trx); } diff --git a/row/row0row.c b/row/row0row.c index c2f9a4451cb..26a84f1332f 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -944,6 +944,10 @@ row_raw_format( ret = row_raw_format_int(data, data_len, prtype, buf, buf_size, &format_in_hex); + if (format_in_hex) { + + goto format_in_hex; + } break; case DATA_CHAR: case DATA_VARCHAR: @@ -952,14 +956,15 @@ row_raw_format( ret = row_raw_format_str(data, data_len, prtype, buf, buf_size, &format_in_hex); + if (format_in_hex) { + + goto format_in_hex; + } + break; /* XXX support more data types */ default: - - format_in_hex = TRUE; - } - - if (format_in_hex) { + format_in_hex: if (UNIV_LIKELY(buf_size > 2)) { diff --git a/row/row0sel.c b/row/row0sel.c index a50709e5fda..78318bf6461 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -2167,36 +2167,6 @@ row_fetch_print( return((void*)42); } -/****************************************************************//** -Callback function for fetch that stores an unsigned 4 byte integer to the -location pointed. The column's type must be DATA_INT, DATA_UNSIGNED, length -= 4. -@return always returns NULL */ -UNIV_INTERN -void* -row_fetch_store_uint4( -/*==================*/ - void* row, /*!< in: sel_node_t* */ - void* user_arg) /*!< in: data pointer */ -{ - sel_node_t* node = row; - ib_uint32_t* val = user_arg; - ulint tmp; - - dfield_t* dfield = que_node_get_val(node->select_list); - const dtype_t* type = dfield_get_type(dfield); - ulint len = dfield_get_len(dfield); - - ut_a(dtype_get_mtype(type) == DATA_INT); - ut_a(dtype_get_prtype(type) & DATA_UNSIGNED); - ut_a(len == 4); - - tmp = mach_read_from_4(dfield_get_data(dfield)); - *val = (ib_uint32_t) tmp; - - return(NULL); -} - /***********************************************************//** Prints a row in a select result. @return query thread to run next or NULL */ @@ -3200,14 +3170,17 @@ row_sel_try_search_shortcut_for_mysql( ut_ad(dict_index_is_clust(index)); ut_ad(!prebuilt->templ_contains_blob); +#ifndef UNIV_SEARCH_DEBUG btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, BTR_SEARCH_LEAF, pcur, -#ifndef UNIV_SEARCH_DEBUG RW_S_LATCH, -#else - 0, -#endif mtr); +#else /* UNIV_SEARCH_DEBUG */ + btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, pcur, + 0, + mtr); +#endif /* UNIV_SEARCH_DEBUG */ rec = btr_pcur_get_rec(pcur); if (!page_rec_is_user_rec(rec)) { diff --git a/row/row0umod.c b/row/row0umod.c index 4094ef60c66..83f02bba721 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -144,13 +144,17 @@ row_undo_mod_clust_low( /***********************************************************//** Removes a clustered index record after undo if possible. +This is attempted when the record was inserted by updating a +delete-marked record and there no longer exist transactions +that would see the delete-marked record. In other words, we +roll back the insert by purging the record. @return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ static ulint row_undo_mod_remove_clust_low( /*==========================*/ undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr __attribute__((unused)), /*!< in: query thread */ + que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr, /*!< in: mtr */ ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ { @@ -159,6 +163,7 @@ row_undo_mod_remove_clust_low( ulint err; ibool success; + ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); pcur = &(node->pcur); btr_cur = btr_pcur_get_btr_cur(pcur); @@ -190,11 +195,13 @@ row_undo_mod_remove_clust_low( } else { ut_ad(mode == BTR_MODIFY_TREE); - /* Note that since this operation is analogous to purge, - we can free also inherited externally stored fields: - hence the RB_NONE in the call below */ + /* This operation is analogous to purge, we can free also + inherited externally stored fields */ - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, RB_NONE, mtr); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + thr_is_recv(thr) + ? RB_RECOVERY_PURGE_REC + : RB_NONE, mtr); /* The delete operation may fail if we have little file space left: TODO: easiest to crash the database @@ -381,10 +388,11 @@ row_undo_mod_del_mark_or_remove_sec_low( } else { ut_ad(mode == BTR_MODIFY_TREE); - /* No need to distinguish RB_RECOVERY here, because we - are deleting a secondary index record: the distinction - between RB_NORMAL and RB_RECOVERY only matters when - deleting a record that contains externally stored + /* No need to distinguish RB_RECOVERY_PURGE here, + because we are deleting a secondary index record: + the distinction between RB_NORMAL and + RB_RECOVERY_PURGE only matters when deleting a + record that contains externally stored columns. */ ut_ad(!dict_index_is_clust(index)); btr_cur_pessimistic_delete(&err, FALSE, btr_cur, @@ -560,6 +568,7 @@ row_undo_mod_upd_del_sec( dict_index_t* index; ulint err = DB_SUCCESS; + ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); heap = mem_heap_create(1024); while (node->index != NULL) { @@ -577,7 +586,7 @@ row_undo_mod_upd_del_sec( does not exist. However, this situation may only occur during the rollback of incomplete transactions. */ - ut_a(trx_is_recv(thr_get_trx(thr))); + ut_a(thr_is_recv(thr)); } else { err = row_undo_mod_del_mark_or_remove_sec( node, thr, index, entry); diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 06488688400..ac0a17e4246 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1723,9 +1723,9 @@ srv_printf_innodb_monitor( "Per second averages calculated from the last %lu seconds\n", (ulong)time_elapsed); - fputs("----------\n" - "BACKGROUND THREAD\n" - "----------\n", file); + fputs("-----------------\n" + "BACKGROUND THREAD\n" + "-----------------\n", file); srv_print_master_thread_info(file); fputs("----------\n" @@ -2530,7 +2530,10 @@ loop: BUF_FLUSH_LIST, n_flush, IB_ULONGLONG_MAX); - skip_sleep = TRUE; + + if (n_flush == PCT_IO(100)) { + skip_sleep = TRUE; + } } } diff --git a/srv/srv0start.c b/srv/srv0start.c index 6f188149c49..0cef1fe1303 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1587,6 +1587,14 @@ innobase_start_or_create_for_mysql(void) dict_boot(); trx_sys_init_at_db_start(); + /* Initialize the fsp free limit global variable in the log + system */ + fsp_header_get_free_limit(); + + /* recv_recovery_from_checkpoint_finish needs trx lists which + are initialized in trx_sys_init_at_db_start(). */ + + recv_recovery_from_checkpoint_finish(); if (srv_force_recovery < SRV_FORCE_NO_IBUF_MERGE) { /* The following call is necessary for the insert buffer to work with multiple tablespaces. We must @@ -1602,26 +1610,14 @@ innobase_start_or_create_for_mysql(void) every table in the InnoDB data dictionary that has an .ibd file. - We also determine the maximum tablespace id used. - - TODO: We may have incomplete transactions in the - data dictionary tables. Does that harm the scanning of - the data dictionary below? */ + We also determine the maximum tablespace id used. */ dict_check_tablespaces_and_store_max_id( recv_needed_recovery); } srv_startup_is_before_trx_rollback_phase = FALSE; - - /* Initialize the fsp free limit global variable in the log - system */ - fsp_header_get_free_limit(); - - /* recv_recovery_from_checkpoint_finish needs trx lists which - are initialized in trx_sys_init_at_db_start(). */ - - recv_recovery_from_checkpoint_finish(); + recv_recovery_rollback_active(); /* It is possible that file_format tag has never been set. In this case we initialize it to minimum diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 8d754788e2a..36dea9b2a95 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -286,39 +286,3 @@ trx_rseg_list_and_array_init( } } } - -/****************************************************************//** -Creates a new rollback segment to the database. -@return the created segment object, NULL if fail */ -UNIV_INTERN -trx_rseg_t* -trx_rseg_create( -/*============*/ - ulint space, /*!< in: space id */ - ulint max_size, /*!< in: max size in pages */ - ulint* id, /*!< out: rseg id */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint flags; - ulint zip_size; - ulint page_no; - trx_rseg_t* rseg; - - mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - zip_size = dict_table_flags_to_zip_size(flags); - mutex_enter(&kernel_mutex); - - page_no = trx_rseg_header_create(space, zip_size, max_size, id, mtr); - - if (page_no == FIL_NULL) { - - mutex_exit(&kernel_mutex); - return(NULL); - } - - rseg = trx_rseg_mem_create(*id, space, zip_size, page_no, mtr); - - mutex_exit(&kernel_mutex); - - return(rseg); -} diff --git a/trx/trx0trx.c b/trx/trx0trx.c index 0951b98b79f..e8c98e22918 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -425,6 +425,7 @@ trx_lists_init_at_db_start(void) trx_undo_t* undo; trx_t* trx; + ut_ad(mutex_own(&kernel_mutex)); UT_LIST_INIT(trx_sys->trx_list); /* Look from the rollback segments if there exist undo logs for From fcff79847c5d9cb618847441a222165f1462b2eb Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 10 Mar 2010 21:39:40 +0000 Subject: [PATCH 158/400] branches/innodb+: Implement the buf_pool_watch for DeleteBuffering in the page hash table. This serves two purposes. It allows multiple watches to be set at the same time (by multiple purge threads) and it removes a race condition when the read of a block completes about the time the buffer pool watch is being set. buf_pool_watch_clear(): Rename to buf_pool_watch_unset(). Add parameters space, offset. buf_pool_watch_remove(): A helper function for removing the watch. buf_pool_watch_is(): A predicate for testing if a block descriptor is a sentinel for the buffer pool watch. buf_pool_watch[BUF_POOL_WATCH_SIZE]: An array of sentinel block descriptors. buf_pool_watch_set(): Add a parameter for the fold value, and return the block if the block is in the buffer pool. Allocate the sentinel from buf_pool_watch[] if needed. Use buf_fix_count for reference-counting. enum buf_block_state: Add BUF_BLOCK_POOL_WATCH as a state alias that is shared with BUF_BLOCK_ZIP_FREE. buf_page_hash_get_low(): A low-level variant of buf_page_hash_get() that takes the fold value as a parameter and may return a watch sentinel block. In callers, test the return value for buf_pool_watch_is() [impossible cases with ut_ad(), possible ones with if]. When needed, invoke buf_pool_watch_remove() but preserve the buf_fix_count. buf_page_hash_get(), buf_block_hash_get(): Return NULL for watch sentinel blocks, to keep existing behaviour. buf_page_init(): Add a parameter for the fold value. ibuf_insert(): If a buffer pool watch exists for the block, refuse to buffer subsequent operations, so that the purge that is being buffered will not "overtake" later requests. Previously, we would notify the watch in this case. Either way, the block would be read to the buffer pool. In the current design, we can only notify the watch by actually setting up a real block in buf_pool->page_hash. rb://263 approved by Inaam Rana --- btr/btr0cur.c | 4 +- buf/buf0buddy.c | 2 + buf/buf0buf.c | 330 +++++++++++++++++++++++++++++++++------------ buf/buf0lru.c | 13 +- ibuf/ibuf0ibuf.c | 67 +++++---- include/buf0buf.h | 86 +++++++----- include/buf0buf.ic | 37 ++++- 7 files changed, 378 insertions(+), 161 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index ec487344d89..4259b800753 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -645,11 +645,11 @@ retry_page_get: cursor->flag = BTR_CUR_DELETE_IBUF; } else { /* The purge could not be buffered. */ - buf_pool_watch_clear(); + buf_pool_watch_unset(space, page_no); break; } - buf_pool_watch_clear(); + buf_pool_watch_unset(space, page_no); goto func_exit; default: diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index b879e97a989..55b3995a3af 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -457,6 +457,8 @@ buf_buddy_relocate( return(FALSE); } + ut_ad(!buf_pool_watch_is(bpage)); + if (page_zip_get_size(&bpage->zip) != size) { /* The block is of different size. We would have to relocate all blocks covered by src. diff --git a/buf/buf0buf.c b/buf/buf0buf.c index f91f028f4f2..faa727e730f 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1138,6 +1138,7 @@ buf_relocate( ut_ad(!bpage->in_zip_hash); ut_ad(bpage->in_page_hash); ut_ad(bpage == buf_page_hash_get(bpage->space, bpage->offset)); + ut_ad(!buf_pool_watch_is(bpage)); #ifdef UNIV_DEBUG switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: @@ -1502,63 +1503,191 @@ buf_pool_resize(void) buf_pool_page_hash_rebuild(); } -/****************************************************************//** -Add watch for the given page to be read in. Caller must have the buffer pool -mutex reserved. */ -static -void -buf_pool_watch_set( -/*===============*/ - ulint space, /*!< in: space id */ - ulint page_no) /*!< in: page number */ +/** Maximum number of concurrent buffer pool watches */ +#define BUF_POOL_WATCH_SIZE 1 +/** Sentinel records for buffer pool watches. Protected by buf_pool_mutex. */ +static buf_page_t buf_pool_watch[BUF_POOL_WATCH_SIZE]; + +/******************************************************************** +Determine if a block is a sentinel for a buffer pool watch. +@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ +UNIV_INTERN +ibool +buf_pool_watch_is( +/*==============*/ + const buf_page_t* bpage) /*!< in: block */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_in_file(bpage)); - /* There can't be multiple watches at the same time. */ - ut_a(!buf_pool->watch_active); + if (UNIV_LIKELY(bpage < &buf_pool_watch[0] + || bpage >= &buf_pool_watch[BUF_POOL_WATCH_SIZE])) { - buf_pool->watch_active = TRUE; - buf_pool->watch_space = space; - buf_pool->watch_occurred = FALSE; - buf_pool->watch_page_no = page_no; + ut_ad(buf_page_get_state(bpage) != BUF_BLOCK_ZIP_PAGE + || bpage->zip.data != NULL); + + return(FALSE); + } + + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); + ut_ad(!bpage->in_zip_hash); + ut_ad(bpage->in_page_hash); + ut_ad(bpage->zip.data == NULL); + ut_ad(bpage->buf_fix_count > 0); + return(TRUE); } /****************************************************************//** -Stop watching if the marked page is read in. */ +Add watch for the given page to be read in. Caller must have the buffer pool +mutex reserved. +@return NULL if watch set, block if the page is in the buffer pool */ +UNIV_INTERN +buf_page_t* +buf_pool_watch_set( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page number */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ +{ + buf_page_t* bpage; + ulint i; + + ut_ad(buf_pool_mutex_own()); + + bpage = buf_page_hash_get_low(space, offset, fold); + + if (UNIV_LIKELY_NULL(bpage)) { + if (!buf_pool_watch_is(bpage)) { + /* The page was loaded meanwhile. */ + return(bpage); + } + /* Add to an existing watch. */ + bpage->buf_fix_count++; + return(NULL); + } + + for (i = 0; i < BUF_POOL_WATCH_SIZE; i++) { + bpage = &buf_pool_watch[i]; + + ut_ad(bpage->access_time == 0); + ut_ad(bpage->newest_modification == 0); + ut_ad(bpage->oldest_modification == 0); + ut_ad(bpage->zip.data == NULL); + ut_ad(!bpage->in_zip_hash); + + switch (bpage->state) { + case BUF_BLOCK_POOL_WATCH: + ut_ad(!bpage->in_page_hash); + ut_ad(bpage->buf_fix_count == 0); + + /* bpage is pointing to buf_pool_watch[], + which is protected by buf_pool_mutex. + Normally, buf_page_t objects are protected by + buf_block_t::mutex or buf_pool_zip_mutex or both. */ + + bpage->state = BUF_BLOCK_ZIP_PAGE; + bpage->space = space; + bpage->offset = offset; + bpage->buf_fix_count = 1; + + ut_d(bpage->in_page_hash = TRUE); + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, + fold, bpage); + return(NULL); + case BUF_BLOCK_ZIP_PAGE: + ut_ad(bpage->in_page_hash); + ut_ad(bpage->buf_fix_count > 0); + break; + default: + ut_error; + } + } + + /* Allocation failed. Either the maximum number of purge + threads should never exceed BUF_POOL_WATCH_SIZE, or this code + should be modified to return a special non-NULL value and the + caller should purge the record directly. */ + ut_error; +} + +/****************************************************************//** +Remove the sentinel block for the watch before replacing it with a real block. +buf_page_watch_clear() or buf_page_watch_occurred() will notice that +the block has been replaced with the real block. +@return reference count, to be added to the replacement block */ +static +void +buf_pool_watch_remove( +/*==================*/ + ulint fold, /*!< in: buf_page_address_fold(space, offset) */ + buf_page_t* watch) /*!< in/out: sentinel for watch */ +{ + ut_ad(buf_pool_mutex_own()); + + HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, watch); + ut_d(watch->in_page_hash = FALSE); + watch->buf_fix_count = 0; + watch->state = BUF_BLOCK_POOL_WATCH; +} + +/****************************************************************//** +Stop watching if the page has been read in. +buf_pool_watch_set(space,offset) must have returned NULL before. */ UNIV_INTERN void -buf_pool_watch_clear(void) -/*======================*/ +buf_pool_watch_unset( +/*=================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, offset); + buf_pool_mutex_enter(); + bpage = buf_page_hash_get_low(space, offset, fold); + /* The page must exist because buf_pool_watch_set() + increments buf_fix_count. */ + ut_a(bpage); - ut_ad(buf_pool->watch_active); + if (UNIV_UNLIKELY(!buf_pool_watch_is(bpage))) { + mutex_t* mutex = buf_page_get_mutex(bpage); + mutex_enter(mutex); + ut_a(bpage->buf_fix_count > 0); + bpage->buf_fix_count--; + mutex_exit(mutex); + } else { + ut_a(bpage->buf_fix_count > 0); - buf_pool->watch_active = FALSE; + if (UNIV_LIKELY(!--bpage->buf_fix_count)) { + buf_pool_watch_remove(fold, bpage); + } + } buf_pool_mutex_exit(); } /****************************************************************//** -Check if the given page is being watched and has been read to the buffer -pool. -@return TRUE if the given page is being watched and it has been read in */ +Check if the page has been read in. +This may only be called after buf_pool_watch_set(space,offset) +has returned NULL and before invoking buf_pool_watch_unset(space,offset). +@return FALSE if the given page was not read in, TRUE if it was */ UNIV_INTERN ibool buf_pool_watch_occurred( /*====================*/ - ulint space, /*!< in: space id */ - ulint page_no) /*!< in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ { - ulint ret; + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, offset); + ibool ret; buf_pool_mutex_enter(); - ret = buf_pool->watch_active - && space == buf_pool->watch_space - && page_no == buf_pool->watch_page_no - && buf_pool->watch_occurred; - + bpage = buf_page_hash_get_low(space, offset, fold); + /* The page must exist because buf_pool_watch_set() + increments buf_fix_count. */ + ut_a(bpage); + ret = !buf_pool_watch_is(bpage); buf_pool_mutex_exit(); return(ret); @@ -1630,6 +1759,7 @@ buf_reset_check_index_page_at_flush( block = (buf_block_t*) buf_page_hash_get(space, offset); if (block && buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE) { + ut_ad(!buf_pool_watch_is(&block->page)); block->check_index_page_at_flush = FALSE; } @@ -1658,6 +1788,7 @@ buf_page_peek_if_search_hashed( if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { is_hashed = FALSE; } else { + ut_ad(!buf_pool_watch_is(&block->page)); is_hashed = block->is_hashed; } @@ -1686,7 +1817,7 @@ buf_page_set_file_page_was_freed( bpage = buf_page_hash_get(space, offset); - if (bpage) { + if (bpage && !buf_pool_watch_is(bpage)) { bpage->file_page_was_freed = TRUE; } @@ -1714,7 +1845,7 @@ buf_page_reset_file_page_was_freed( bpage = buf_page_hash_get(space, offset); - if (bpage) { + if (bpage && !buf_pool_watch_is(bpage)) { bpage->file_page_was_freed = FALSE; } @@ -1755,7 +1886,7 @@ buf_page_get_zip( buf_pool_mutex_enter(); lookup: bpage = buf_page_hash_get(space, offset); - if (bpage) { + if (bpage && !buf_pool_watch_is(bpage)) { break; } @@ -1777,6 +1908,8 @@ err_exit: return(NULL); } + ut_ad(!buf_pool_watch_is(bpage)); + switch (buf_page_get_state(bpage)) { case BUF_BLOCK_NOT_USED: case BUF_BLOCK_READY_FOR_USE: @@ -2100,6 +2233,7 @@ buf_page_get_gen( mtr_t* mtr) /*!< in: mini-transaction */ { buf_block_t* block; + ulint fold; unsigned access_time; ulint fix_type; ibool must_read; @@ -2120,6 +2254,7 @@ buf_page_get_gen( ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); #endif buf_pool->stat.n_page_gets++; + fold = buf_page_address_fold(space, offset); loop: block = guess; buf_pool_mutex_enter(); @@ -2146,15 +2281,26 @@ loop: } if (block == NULL) { - block = (buf_block_t*) buf_page_hash_get(space, offset); + block = (buf_block_t*) buf_page_hash_get_low(space, offset, + fold); } loop2: + if (block && buf_pool_watch_is(&block->page)) { + block = NULL; + } + if (block == NULL) { /* Page not in buf_pool: needs to be read from file */ if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - buf_pool_watch_set(space, offset); + block = (buf_block_t*) buf_pool_watch_set( + space, offset, fold); + + if (UNIV_LIKELY_NULL(block)) { + + goto got_block; + } } buf_pool_mutex_exit(); @@ -2195,23 +2341,16 @@ loop2: goto loop; } +got_block: ut_ad(page_zip_get_size(&block->page.zip) == zip_size); must_read = buf_block_get_io_fix(block) == BUF_IO_READ; - if (must_read - && (mode == BUF_GET_IF_IN_POOL - || mode == BUF_GET_IF_IN_POOL_OR_WATCH)) { + if (must_read && mode == BUF_GET_IF_IN_POOL) { /* The page is being read to buffer pool, but we cannot wait around for the read to complete. */ - - if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - buf_pool_watch_set(space, offset); - } - - /* The page is only being read to buffer */ buf_pool_mutex_exit(); return(NULL); @@ -2257,7 +2396,7 @@ wait_until_unfixed: { buf_page_t* hash_bpage - = buf_page_hash_get(space, offset); + = buf_page_hash_get_low(space, offset, fold); if (UNIV_UNLIKELY(bpage != hash_bpage)) { /* The buf_pool->page_hash was modified @@ -2683,11 +2822,13 @@ buf_page_try_get_func( buf_pool_mutex_enter(); block = buf_block_hash_get(space_id, page_no); - if (!block) { + if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { buf_pool_mutex_exit(); return(NULL); } + ut_ad(!buf_pool_watch_is(&block->page)); + mutex_enter(&block->mutex); buf_pool_mutex_exit(); @@ -2763,25 +2904,6 @@ buf_page_init_low( #endif /* UNIV_DEBUG_FILE_ACCESSES */ } -/********************************************************************//** -Set watch occurred flag. */ -UNIV_INTERN -void -buf_pool_watch_notify( -/*==================*/ - ulint space, /*!< in: space id of page read in */ - ulint offset) /*!< in: offset of page read in */ -{ - ut_ad(buf_pool_mutex_own()); - - if (buf_pool->watch_active - && space == buf_pool->watch_space - && offset == buf_pool->watch_page_no) { - - buf_pool->watch_occurred = TRUE; - } -} - /********************************************************************//** Inits a page to the buffer buf_pool. */ static @@ -2791,6 +2913,7 @@ buf_page_init( ulint space, /*!< in: space id */ ulint offset, /*!< in: offset of the page within space in units of a page */ + ulint fold, /*!< in: buf_page_address_fold(space,offset) */ buf_block_t* block) /*!< in: block to init */ { buf_page_t* hash_page; @@ -2815,11 +2938,20 @@ buf_page_init( block->lock_hash_val = lock_rec_hash(space, offset); + buf_page_init_low(&block->page); + /* Insert into the hash table of file pages */ - hash_page = buf_page_hash_get(space, offset); + hash_page = buf_page_hash_get_low(space, offset, fold); - if (UNIV_LIKELY_NULL(hash_page)) { + if (UNIV_LIKELY(!hash_page)) { + } else if (UNIV_LIKELY(buf_pool_watch_is(hash_page))) { + /* Preserve the reference count. */ + ulint buf_fix_count = hash_page->buf_fix_count; + ut_a(buf_fix_count > 0); + block->page.buf_fix_count += buf_fix_count; + buf_pool_watch_remove(fold, hash_page); + } else { fprintf(stderr, "InnoDB: Error: page %lu %lu already found" " in the hash table: %p, %p\n", @@ -2837,14 +2969,11 @@ buf_page_init( ut_error; } - buf_page_init_low(&block->page); - buf_pool_watch_notify(space, offset); - ut_ad(!block->page.in_zip_hash); ut_ad(!block->page.in_page_hash); ut_d(block->page.in_page_hash = TRUE); HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, - buf_page_address_fold(space, offset), &block->page); + fold, &block->page); } /********************************************************************//** @@ -2872,8 +3001,10 @@ buf_page_init_for_read( ulint offset) /*!< in: page number */ { buf_block_t* block; - buf_page_t* bpage; + buf_page_t* bpage = NULL; + buf_page_t* watch_page; mtr_t mtr; + ulint fold; ibool lru = FALSE; void* data; @@ -2908,10 +3039,14 @@ buf_page_init_for_read( ut_ad(block); } + fold = buf_page_address_fold(space, offset); + buf_pool_mutex_enter(); - if (buf_page_hash_get(space, offset)) { + watch_page = buf_page_hash_get_low(space, offset, fold); + if (watch_page && !buf_pool_watch_is(watch_page)) { /* The page is already in the buffer pool. */ + watch_page = NULL; err_exit: if (block) { mutex_enter(&block->mutex); @@ -2936,7 +3071,7 @@ err_exit: bpage = &block->page; mutex_enter(&block->mutex); - buf_page_init(space, offset, block); + buf_page_init(space, offset, fold, block); /* The block must be put to the LRU list, to the old blocks */ buf_LRU_add_block(bpage, TRUE/* to old blocks */); @@ -2995,15 +3130,19 @@ err_exit: /* If buf_buddy_alloc() allocated storage from the LRU list, it released and reacquired buf_pool_mutex. Thus, we must check the page_hash again, as it may have been modified. */ - if (UNIV_UNLIKELY(lru) - && UNIV_LIKELY_NULL(buf_page_hash_get(space, offset))) { + if (UNIV_UNLIKELY(lru)) { + watch_page = buf_page_hash_get_low(space, offset, fold); + if (UNIV_UNLIKELY + (watch_page && !buf_pool_watch_is(watch_page))) { - /* The block was added by some other thread. */ - buf_buddy_free(bpage, sizeof *bpage); - buf_buddy_free(data, zip_size); + /* The block was added by some other thread. */ + watch_page = NULL; + buf_buddy_free(bpage, sizeof *bpage); + buf_buddy_free(data, zip_size); - bpage = NULL; - goto func_exit; + bpage = NULL; + goto func_exit; + } } page_zip_des_init(&bpage->zip); @@ -3015,7 +3154,6 @@ err_exit: page_zip_get_size(&bpage->zip), bpage); buf_page_init_low(bpage); - buf_pool_watch_notify(space, offset); bpage->state = BUF_BLOCK_ZIP_PAGE; bpage->space = space; @@ -3031,8 +3169,18 @@ err_exit: #endif /* UNIV_DEBUG */ ut_d(bpage->in_page_hash = TRUE); - HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, - buf_page_address_fold(space, offset), bpage); + + if (UNIV_LIKELY_NULL(watch_page)) { + /* Preserve the reference count. */ + ulint buf_fix_count = watch_page->buf_fix_count; + ut_a(buf_fix_count > 0); + block->page.buf_fix_count += buf_fix_count; + ut_ad(buf_pool_watch_is(watch_page)); + buf_pool_watch_remove(fold, watch_page); + } + + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, + bpage); /* The block must be put to the LRU list, to the old blocks */ buf_LRU_add_block(bpage, TRUE/* to old blocks */); @@ -3076,17 +3224,21 @@ buf_page_create( buf_block_t* block; buf_block_t* free_block = NULL; ulint time_ms = ut_time_ms(); + ulint fold; ut_ad(mtr); ut_ad(space || !zip_size); free_block = buf_LRU_get_free_block(0); + fold = buf_page_address_fold(space, offset); + buf_pool_mutex_enter(); - block = (buf_block_t*) buf_page_hash_get(space, offset); + block = (buf_block_t*) buf_page_hash_get_low(space, offset, fold); - if (block && buf_page_in_file(&block->page)) { + if (block && buf_page_in_file(&block->page) + && !buf_pool_watch_is(&block->page)) { #ifdef UNIV_IBUF_COUNT_DEBUG ut_a(ibuf_count_get(space, offset) == 0); #endif @@ -3116,7 +3268,7 @@ buf_page_create( mutex_enter(&block->mutex); - buf_page_init(space, offset, block); + buf_page_init(space, offset, fold, block); /* The block must be put to the LRU list */ buf_LRU_add_block(&block->page, FALSE); diff --git a/buf/buf0lru.c b/buf/buf0lru.c index 816d9f3a248..c7feb3ae79b 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -1454,8 +1454,10 @@ alloc: buf_page_t* prev_b = UT_LIST_GET_PREV(LRU, b); const ulint fold = buf_page_address_fold( bpage->space, bpage->offset); + buf_page_t* hash_b = buf_page_hash_get_low( + bpage->space, bpage->offset, fold); - ut_a(!buf_page_hash_get(bpage->space, bpage->offset)); + ut_a(!hash_b); b->state = b->oldest_modification ? BUF_BLOCK_ZIP_DIRTY @@ -1680,6 +1682,7 @@ buf_LRU_block_remove_hashed_page( ibool zip) /*!< in: TRUE if should remove also the compressed page of an uncompressed page */ { + ulint fold; const buf_page_t* hashed_bpage; ut_ad(bpage); ut_ad(buf_pool_mutex_own()); @@ -1763,7 +1766,9 @@ buf_LRU_block_remove_hashed_page( break; } - hashed_bpage = buf_page_hash_get(bpage->space, bpage->offset); + fold = buf_page_address_fold(bpage->space, bpage->offset); + hashed_bpage = buf_page_hash_get_low(bpage->space, bpage->offset, + fold); if (UNIV_UNLIKELY(bpage != hashed_bpage)) { fprintf(stderr, @@ -1795,9 +1800,7 @@ buf_LRU_block_remove_hashed_page( ut_ad(!bpage->in_zip_hash); ut_ad(bpage->in_page_hash); ut_d(bpage->in_page_hash = FALSE); - HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, - buf_page_address_fold(bpage->space, bpage->offset), - bpage); + HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: ut_ad(!bpage->in_free_list); diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index c0a74a19ec7..204c22cb078 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3399,15 +3399,14 @@ ibuf_insert_low( goto function_exit; } - /* After this point, buf_pool_watch_occurred(space, page_no) - may still become true, but we do not have to care about it, - since we are holding a latch on the insert buffer leaf page - that contains buffered changes for (space, page_no). If - buf_pool_watch_occurred(space, page_no) becomes true, - buf_page_io_complete() for (space, page_no) will have to - acquire a latch on the same insert buffer leaf page, which it - cannot do until we have buffered the IBUF_OP_DELETE and done - mtr_commit(&mtr) to release the latch. */ + /* After this point, the page could still be loaded to the + buffer pool, but we do not have to care about it, since we are + holding a latch on the insert buffer leaf page that contains + buffered changes for (space, page_no). If the page enters the + buffer pool, buf_page_io_complete() for (space, page_no) will + have to acquire a latch on the same insert buffer leaf page, + which it cannot do until we have buffered the IBUF_OP_DELETE + and done mtr_commit(&mtr) to release the latch. */ #ifdef UNIV_IBUF_COUNT_DEBUG ut_a((buffered == 0) || ibuf_count_get(space, page_no)); @@ -3602,7 +3601,7 @@ ibuf_insert( case IBUF_USE_INSERT: case IBUF_USE_INSERT_DELETE_MARK: case IBUF_USE_ALL: - goto notify; + goto check_watch; case IBUF_USE_COUNT: break; } @@ -3617,7 +3616,7 @@ ibuf_insert( case IBUF_USE_INSERT_DELETE_MARK: case IBUF_USE_ALL: ut_ad(!no_counter); - goto notify; + goto check_watch; case IBUF_USE_COUNT: break; } @@ -3632,7 +3631,7 @@ ibuf_insert( case IBUF_USE_DELETE: case IBUF_USE_ALL: ut_ad(!no_counter); - goto skip_notify; + goto skip_watch; case IBUF_USE_COUNT: break; } @@ -3644,23 +3643,39 @@ ibuf_insert( /* unknown op or use */ ut_error; -notify: - /* If another thread buffers an insert on a page while - the purge is in progress, the purge for the same page - must not be buffered, because it could remove a record - that was re-inserted later. +check_watch: + /* If a thread attempts to buffer an insert on a page while a + purge is in progress on the same page, the purge must not be + buffered, because it could remove a record that was + re-inserted later. For simplicity, we block the buffering of + all operations on a page that has a purge pending. - We do not call this in the IBUF_OP_DELETE case, - because that would always trigger the buffer pool - watch during purge and thus prevent the buffering of - delete operations. We assume that IBUF_OP_DELETE - operations are only issued by the purge thread. */ + We do not check this in the IBUF_OP_DELETE case, because that + would always trigger the buffer pool watch during purge and + thus prevent the buffering of delete operations. We assume + that the issuer of IBUF_OP_DELETE has called + buf_pool_watch_set(space, page_no). */ - buf_pool_mutex_enter(); - buf_pool_watch_notify(space, page_no); - buf_pool_mutex_exit(); + { + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, page_no); -skip_notify: + buf_pool_mutex_enter(); + bpage = buf_page_hash_get_low(space, page_no, fold); + buf_pool_mutex_exit(); + + if (UNIV_LIKELY_NULL(bpage)) { + /* A buffer pool watch has been set or the + page has been read into the buffer pool. + Do not buffer the request. If a purge operation + is being buffered, have this request executed + directly on the page in the buffer pool after the + buffered entries for this page have been merged. */ + return(FALSE); + } + } + +skip_watch: entry_size = rec_get_converted_size(index, entry, 0); if (entry_size diff --git a/include/buf0buf.h b/include/buf0buf.h index 582efdab79d..abaa0039018 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -86,6 +86,8 @@ The enumeration values must be 0..7. */ enum buf_page_state { BUF_BLOCK_ZIP_FREE = 0, /*!< contains a free compressed page */ + BUF_BLOCK_POOL_WATCH = 0, /*!< a sentinel for the buffer pool + watch, element of buf_pool_watch[] */ BUF_BLOCK_ZIP_PAGE, /*!< contains a clean compressed page */ BUF_BLOCK_ZIP_DIRTY, /*!< contains a compressed @@ -290,8 +292,8 @@ buf_page_get_gen( ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ buf_block_t* guess, /*!< in: guessed block or NULL */ ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH, BUF_GET_NOWAIT or - BUF_GET_IF_IN_POOL_WATCH */ + BUF_GET_NO_LATCH or + BUF_GET_IF_IN_POOL_OR_WATCH */ const char* file, /*!< in: file name */ ulint line, /*!< in: line where called */ mtr_t* mtr); /*!< in: mini-transaction */ @@ -994,6 +996,16 @@ Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ UNIV_INLINE buf_page_t* +buf_page_hash_get_low( +/*==================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space */ + ulint fold); /*!< in: buf_page_address_fold(space, offset) */ +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found or not a real control block */ +UNIV_INLINE +buf_page_t* buf_page_hash_get( /*==============*/ ulint space, /*!< in: space id */ @@ -1015,30 +1027,48 @@ UNIV_INTERN ulint buf_get_free_list_len(void); /*=======================*/ + /******************************************************************** -Stop watching if the marked page is read in. */ +Determine if a block is a sentinel for a buffer pool watch. +@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ +UNIV_INTERN +ibool +buf_pool_watch_is( +/*==============*/ + const buf_page_t* bpage) /*!< in: block */ + __attribute__((nonnull, warn_unused_result)); +/****************************************************************//** +Add watch for the given page to be read in. Caller must have the buffer pool +@return NULL if watch set, block if the page is in the buffer pool */ +UNIV_INTERN +buf_page_t* +buf_pool_watch_set( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page number */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ + __attribute__((warn_unused_result)); +/****************************************************************//** +Stop watching if the page has been read in. +buf_pool_watch_set(space,offset) must have returned NULL before. */ UNIV_INTERN void -buf_pool_watch_clear(void); -/*======================*/ -/************************************************************************ -Set watch occurred flag. */ -UNIV_INTERN -void -buf_pool_watch_notify( -/*==================*/ - ulint space, /*!< in: space id of page read in */ - ulint offset);/*!< in: offset of page read in */ -/******************************************************************** -Check if the given page is being watched and has been read to the buffer -pool. -@return TRUE if the given page is being watched and it has been read in */ +buf_pool_watch_unset( +/*=================*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +/****************************************************************//** +Check if the page has been read in. +This may only be called after buf_pool_watch_set(space,offset) +has returned NULL and before invoking buf_pool_watch_unset(space,offset). +@return FALSE if the given page was not read in, TRUE if it was */ UNIV_INTERN ibool buf_pool_watch_occurred( /*====================*/ - ulint space, /*!< in: space id */ - ulint page_no); /*!< in: page number */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ + __attribute__((warn_unused_result)); #endif /* !UNIV_HOTBACKUP */ /** The common buffer control block structure @@ -1079,7 +1109,10 @@ struct buf_page_struct{ #endif /* !UNIV_HOTBACKUP */ page_zip_des_t zip; /*!< compressed page; zip.data (but not the data it points to) is - also protected by buf_pool_mutex */ + also protected by buf_pool_mutex; + state == BUF_BLOCK_ZIP_PAGE and + zip.data == NULL means an active + buf_pool_watch */ #ifndef UNIV_HOTBACKUP buf_page_t* hash; /*!< node used in chaining to buf_pool->page_hash or @@ -1434,18 +1467,7 @@ struct buf_pool_struct{ set to zero when a buffer block is allocated */ /* @} */ - /** @name Buffer pool watch - This is needed for implementing delete buffering. */ - /* @{ */ - /*--------------------------*/ - ibool watch_active; /* if TRUE, set watch_occurred - when watch_space, watch_page_no - is read in. */ - ulint watch_space; /* space id of watched page */ - ulint watch_page_no; /* page number of watched page */ - ibool watch_occurred; /* has watched page been read in */ - /*--------------------------*/ - /* @} */ + /** @name LRU replacement algorithm fields */ /* @{ */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index a85db6d11e5..55d7567dc99 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -902,21 +902,20 @@ Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ UNIV_INLINE buf_page_t* -buf_page_hash_get( -/*==============*/ +buf_page_hash_get_low( +/*==================*/ ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ + ulint offset, /*!< in: offset of the page within space */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ { buf_page_t* bpage; - ulint fold; ut_ad(buf_pool); ut_ad(buf_pool_mutex_own()); + ut_ad(fold == buf_page_address_fold(space, offset)); /* Look for the page in the hash table */ - fold = buf_page_address_fold(space, offset); - HASH_SEARCH(hash, buf_pool->page_hash, fold, buf_page_t*, bpage, ut_ad(bpage->in_page_hash && !bpage->in_zip_hash && buf_page_in_file(bpage)), @@ -931,6 +930,26 @@ buf_page_hash_get( return(bpage); } +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found or not a real control block */ +UNIV_INLINE +buf_page_t* +buf_page_hash_get( +/*==============*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ +{ + ulint fold = buf_page_address_fold(space, offset); + buf_page_t* bpage = buf_page_hash_get_low(space, offset, fold); + + if (bpage && UNIV_UNLIKELY(buf_pool_watch_is(bpage))) { + bpage = NULL; + } + + return(bpage); +} + /******************************************************************//** Returns the control block of a file page, NULL if not found or an uncompressed page frame does not exist. @@ -942,7 +961,11 @@ buf_block_hash_get( ulint space, /*!< in: space id */ ulint offset) /*!< in: offset of the page within space */ { - return(buf_page_get_block(buf_page_hash_get(space, offset))); + buf_block_t* block; + + block = buf_page_get_block(buf_page_hash_get(space, offset)); + + return(block); } /********************************************************************//** From 8a612ef90e7971ddf1b4b436ef1e50039548d453 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 11 Mar 2010 11:36:53 +0000 Subject: [PATCH 159/400] branches/innodb+: buf_page_init(): Fix a bug in r6794 that caused a SIGSEGV on compressed pages (block==NULL dereferenced). --- buf/buf0buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index faa727e730f..7f1ddfb7b43 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -3174,7 +3174,7 @@ err_exit: /* Preserve the reference count. */ ulint buf_fix_count = watch_page->buf_fix_count; ut_a(buf_fix_count > 0); - block->page.buf_fix_count += buf_fix_count; + bpage->buf_fix_count += buf_fix_count; ut_ad(buf_pool_watch_is(watch_page)); buf_pool_watch_remove(fold, watch_page); } From b638e0b949a75d8b66adb163433d195d5aad1589 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 11 Mar 2010 11:38:47 +0000 Subject: [PATCH 160/400] ibuf_merge_or_delete_for_page(): Fix inappropriate latching of pages when merging a purge (IBUF_OP_DELETE). This bug was introduced in r6772. --- ibuf/ibuf0ibuf.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 204c22cb078..cd19ea22bb3 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -4392,11 +4392,26 @@ loop: btr_pcur_store_position(&pcur, &mtr); btr_pcur_commit_specify_mtr(&pcur, &mtr); + mtr_start(&mtr); + + if (block) { + ibool success; + success = buf_page_get_known_nowait( + RW_X_LATCH, block, + BUF_KEEP_OLD, + __FILE__, __LINE__, &mtr); + ut_a(success); + + buf_block_dbg_add_level( + block, SYNC_TREE_NODE); + } + if (!ibuf_restore_pos(space, page_no, search_tuple, BTR_MODIFY_LEAF, &pcur, &mtr)) { + mtr_commit(&mtr); mops[op]++; ibuf_dummy_index_free(dummy_index); goto loop; From 8a0537c01322083db6b264368a341d9ff49d8529 Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 11 Mar 2010 11:57:05 +0000 Subject: [PATCH 161/400] branches/innodb+: Merge revisions 6773:6801 from branches/zip: ------------------------------------------------------------------------ r6777 | marko | 2010-03-04 13:01:25 +0200 (Thu, 04 Mar 2010) | 2 lines Changed paths: M /branches/zip/trx/trx0rec.c branches/zip: trx_undo_update_rec_get_update(): Silence a bogus GCC warning about a possibly uninitialized variable. ------------------------------------------------------------------------ r6779 | marko | 2010-03-08 14:35:42 +0200 (Mon, 08 Mar 2010) | 6 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/fil/fil0fil.c branches/zip: Fix IMPORT TABLESPACE of compressed tables. Previously, a wrong parameter was passed to buf_flush_init_for_writing(). fil_reset_too_high_lsns(): Set up page_zip and use it if needed. rb://264, Issue #352 ------------------------------------------------------------------------ r6781 | marko | 2010-03-09 09:41:08 +0200 (Tue, 09 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc branches/zip: Make SHOW ENGINE INNODB MUTEX display SUM(os_waits) for block mutexes and blocks. Designed by Michael and Marko. rb://188, Issue #358 ------------------------------------------------------------------------ r6782 | marko | 2010-03-09 14:09:26 +0200 (Tue, 09 Mar 2010) | 1 line Changed paths: M /branches/zip/fil/fil0fil.c branches/zip: fil0fil.c: Update comments on table->flags as of r6252. ------------------------------------------------------------------------ r6786 | vasil | 2010-03-10 09:16:50 +0200 (Wed, 10 Mar 2010) | 4 lines Changed paths: M /branches/zip/mysql-test/innodb-consistent.test branches/zip: Fix typo in comment ------------------------------------------------------------------------ r6787 | marko | 2010-03-10 10:35:06 +0200 (Wed, 10 Mar 2010) | 10 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/log/log0recv.c branches/zip: recv_parse_log_rec(): Remove a bogus assertion about page_no. TODO: We might also consider removing recv_max_parsed_page_no, because it does not make much sense with *.ibd files. recv_report_corrupt_log(), recv_scan_log_recs(): Abort when a corrupted log record has been found, unless innodb_force_recovery has been set. This fixes Issue #464. rb://265 approved by Heikki Tuuri ------------------------------------------------------------------------ r6789 | jyang | 2010-03-10 11:18:18 +0200 (Wed, 10 Mar 2010) | 10 lines Changed paths: M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/handler0alter.cc A /branches/zip/mysql-test/innodb_bug51378.result A /branches/zip/mysql-test/innodb_bug51378.test branches/zip: If a unique index is on a column prefix, such unique index cannot be upgrade to primary index even if there is no primary index already defined. Also fix possible corruption when initialize "ref_length" value in case there is a mismatch between MySQL and InnoDB primary key. Fix bug #51378: "Init 'ref_length' to correct value, in case an out of bound MySQL primary_key". rb://262 approved by Marko. ------------------------------------------------------------------------ r6790 | jyang | 2010-03-10 13:09:41 +0200 (Wed, 10 Mar 2010) | 7 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: Fix bug #51356: "many valgrind errors in error messages with concurrent ddl". Null terminate the name string returned from innobase_convert_identifier() call when reporting DB_DUPLICATE_KEY error in create_table_def(). rb://266 approved by Marko ------------------------------------------------------------------------ r6791 | marko | 2010-03-10 13:39:06 +0200 (Wed, 10 Mar 2010) | 1 line Changed paths: M /branches/zip/ChangeLog branches/zip: Add ChangeLog entries for r6789, r6790. ------------------------------------------------------------------------ r6792 | marko | 2010-03-10 13:56:41 +0200 (Wed, 10 Mar 2010) | 1 line Changed paths: A /branches/zip/mysql-test/innodb_bug38231.result (from /branches/5.1/mysql-test/innodb_bug38231.result:6791) A /branches/zip/mysql-test/innodb_bug38231.test (from /branches/5.1/mysql-test/innodb_bug38231.test:6791) A /branches/zip/mysql-test/innodb_bug39438-master.opt (from /branches/5.1/mysql-test/innodb_bug39438-master.opt:6791) A /branches/zip/mysql-test/innodb_bug39438.result (from /branches/5.1/mysql-test/innodb_bug39438.result:6791) A /branches/zip/mysql-test/innodb_bug39438.test (from /branches/5.1/mysql-test/innodb_bug39438.test:6791) branches/zip: Copy tests from branches/5.1 that were lost in some merge. ------------------------------------------------------------------------ r6793 | marko | 2010-03-10 14:02:19 +0200 (Wed, 10 Mar 2010) | 60 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc M /branches/zip/mysql-test/innodb_bug21704.result A /branches/zip/mysql-test/innodb_bug47621.result (from /branches/5.1/mysql-test/innodb_bug47621.result:6788) A /branches/zip/mysql-test/innodb_bug47621.test (from /branches/5.1/mysql-test/innodb_bug47621.test:6788) M /branches/zip/plug.in M /branches/zip/trx/trx0sys.c branches/zip: Merge revisions 6669:6788 from branches/5.1: ------------------------------------------------------------------------ r6774 | calvin | 2010-03-03 23:56:10 +0200 (Wed, 03 Mar 2010) | 2 lines Changed paths: M /branches/5.1/trx/trx0sys.c branches/5.1: fix bug#51653: outdated reference to set-variable Non functional change. ------------------------------------------------------------------------ r6780 | vasil | 2010-03-08 19:13:20 +0200 (Mon, 08 Mar 2010) | 4 lines Changed paths: M /branches/5.1/plug.in branches/5.1: Whitespace fixup. ------------------------------------------------------------------------ r6783 | jyang | 2010-03-09 17:54:14 +0200 (Tue, 09 Mar 2010) | 9 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc M /branches/5.1/mysql-test/innodb_bug21704.result A /branches/5.1/mysql-test/innodb_bug47621.result A /branches/5.1/mysql-test/innodb_bug47621.test branches/5.1: Fix bug #47621 "MySQL and InnoDB data dictionaries will become out of sync when renaming columns". MySQL does not provide new column name information to storage engine to update the system table. To avoid column name mismatch, we shall just request a table copy for now. rb://246 approved by Marko. ------------------------------------------------------------------------ r6785 | vasil | 2010-03-10 09:04:38 +0200 (Wed, 10 Mar 2010) | 11 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug38231.test branches/5.1: Add the missing --reap statements in innodb_bug38231.test. Probably MySQL enforced the presence of those recently and the test started failing like: main.innodb_bug38231 [ fail ] Test ended at 2010-03-10 08:48:32 CURRENT_TEST: main.innodb_bug38231 mysqltest: At line 49: Cannot run query on connection between send and reap ------------------------------------------------------------------------ r6788 | vasil | 2010-03-10 10:53:21 +0200 (Wed, 10 Mar 2010) | 8 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug38231.test branches/5.1: In innodb_bug38231.test: replace the fragile sleep 0.2 that depends on timing with a more robust condition which waits for the TRUNCATE and LOCK commands to appear in information_schema.processlist. This could also break if there are other sessions executing the same SQL commands, but there are none during the execution of the mysql test. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6798 | marko | 2010-03-11 09:53:01 +0200 (Thu, 11 Mar 2010) | 14 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/include/buf0buf.h M /branches/zip/include/buf0buf.ic branches/zip: Fix and clarify the latching of some buf_block_t members. buf_block_t::check_index_page_at_flush: Note that this field is not protected by any mutex. Make it a separate field, not a bitfield that could share the machine word with other fields. buf_block_t::lock_hash_val: Note that this field is protected by buf_block_t::lock (or during block creation, by buf_pool_mutex and buf_block_t::mutex). buf_block_get_lock_hash_val(): Assert that block->lock is held by the current thread. Issue #465, rb://267 approved by Inaam Rana ------------------------------------------------------------------------ r6799 | jyang | 2010-03-11 09:59:42 +0200 (Thu, 11 Mar 2010) | 5 lines Changed paths: M /branches/zip/mysql-test/innodb_bug44571.result M /branches/zip/mysql-test/innodb_bug44571.test branches/zip: Once change in bug #47621 merges into zip branch, zip only test innodb_bug44571 needs to be updated to reflect the column name change would be successful be done in InnoDB as well. ------------------------------------------------------------------------ r6800 | marko | 2010-03-11 12:02:57 +0200 (Thu, 11 Mar 2010) | 1 line Changed paths: M /branches/zip/btr/btr0pcur.c M /branches/zip/buf/buf0buf.c M /branches/zip/include/mtr0mtr.ic branches/zip: Add ut_ad(mtr->state == MTR_ACTIVE) to various places. ------------------------------------------------------------------------ r6801 | marko | 2010-03-11 13:34:28 +0200 (Thu, 11 Mar 2010) | 2 lines Changed paths: M /branches/zip/include/mtr0mtr.ic branches/zip: mtr_memo_contains(): Relax the assertion of r6800, allowing mtr->state == MTR_COMMITTING. ------------------------------------------------------------------------ --- ChangeLog | 50 +++++ btr/btr0pcur.c | 3 + buf/buf0buf.c | 10 +- fil/fil0fil.c | 48 +++-- handler/ha_innodb.cc | 300 +++++++++++++++++++------- handler/handler0alter.cc | 8 +- include/buf0buf.h | 12 +- include/buf0buf.ic | 6 + include/mtr0mtr.ic | 3 + log/log0recv.c | 27 ++- mysql-test/innodb-consistent.test | 4 +- mysql-test/innodb_bug21704.result | 12 +- mysql-test/innodb_bug38231.result | 11 + mysql-test/innodb_bug38231.test | 97 +++++++++ mysql-test/innodb_bug39438-master.opt | 1 + mysql-test/innodb_bug39438.result | 1 + mysql-test/innodb_bug39438.test | 51 +++++ mysql-test/innodb_bug44571.result | 7 +- mysql-test/innodb_bug44571.test | 17 +- mysql-test/innodb_bug47621.result | 21 ++ mysql-test/innodb_bug47621.test | 57 +++++ mysql-test/innodb_bug51378.result | 66 ++++++ mysql-test/innodb_bug51378.test | 77 +++++++ plug.in | 2 +- trx/trx0rec.c | 1 + trx/trx0sys.c | 4 +- 26 files changed, 763 insertions(+), 133 deletions(-) create mode 100644 mysql-test/innodb_bug38231.result create mode 100644 mysql-test/innodb_bug38231.test create mode 100644 mysql-test/innodb_bug39438-master.opt create mode 100644 mysql-test/innodb_bug39438.result create mode 100644 mysql-test/innodb_bug39438.test create mode 100644 mysql-test/innodb_bug47621.result create mode 100644 mysql-test/innodb_bug47621.test create mode 100644 mysql-test/innodb_bug51378.result create mode 100644 mysql-test/innodb_bug51378.test diff --git a/ChangeLog b/ChangeLog index 81d60808905..a8b8c52908d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,53 @@ +2010-03-11 The InnoDB Team + + * buf0buf.h, buf0buf.ic: + Fix and clarify the latching of some buf_block_t members. + Note that check_index_page_at_flush is not protected by any mutex. + Note and assert that lock_hash_val is protected by the rw-latch. + +2010-03-10 The InnoDB Team + + * trx/trx0sys.c: + Fix Bug #51653 outdated reference to set-variable + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, + mysql-test/innodb_bug47621.result, mysql-test/innodb_bug47621.test: + Fix Bug #47621 MySQL and InnoDB data dictionaries will become + out of sync when renaming columns + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug #51356 Many Valgrind errors in error messages + with concurrent DDL + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc, handler/handler0alter.cc, + mysql-test/innodb_bug51378.result, mysql-test/innodb_bug51378.test: + Fix Bug #51378 Init 'ref_length' to correct value, in case an out + of bound MySQL primary_key + +2010-03-10 The InnoDB Team + + * log/log0recv.c: + Remove a bogus assertion about page numbers exceeding 0x90000000 + in the redo log. Abort when encountering a corrupted redo log + record, unless innodb_force_recovery is set. + +2010-03-09 The InnoDB Team + + * handler/ha_innodb.cc: + Make SHOW ENGINE INNODB MUTEX STATUS display SUM(os_waits) + for the buffer pool block mutexes and locks. + +2010-03-08 The InnoDB Team + + * fil/fil0fil.c: + Fix ALTER TABLE ... IMPORT TABLESPACE of compressed tables. + 2010-03-03 The InnoDB Team * handler/handler0alter.cc, innodb-index.result, innodb-index.test, diff --git a/btr/btr0pcur.c b/btr/btr0pcur.c index 2edfd673530..658901208ef 100644 --- a/btr/btr0pcur.c +++ b/btr/btr0pcur.c @@ -219,6 +219,9 @@ btr_pcur_restore_position_func( ulint old_mode; mem_heap_t* heap; + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + index = btr_cur_get_index(btr_pcur_get_btr_cur(cursor)); if (UNIV_UNLIKELY(cursor->old_stored != BTR_PCUR_OLD_STORED) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 7f1ddfb7b43..ca8780dca92 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -2240,6 +2240,7 @@ buf_page_get_gen( ulint retries = 0; ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH) || (rw_latch == RW_NO_LATCH)); @@ -2608,7 +2609,9 @@ buf_page_optimistic_get( ibool success; ulint fix_type; - ut_ad(mtr && block); + ut_ad(block); + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); mutex_enter(&block->mutex); @@ -2720,6 +2723,7 @@ buf_page_get_known_nowait( ulint fix_type; ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); mutex_enter(&block->mutex); @@ -2819,6 +2823,9 @@ buf_page_try_get_func( ibool success; ulint fix_type; + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + buf_pool_mutex_enter(); block = buf_block_hash_get(space_id, page_no); @@ -3227,6 +3234,7 @@ buf_page_create( ulint fold; ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); ut_ad(space || !zip_size); free_block = buf_LRU_get_free_block(0); diff --git a/fil/fil0fil.c b/fil/fil0fil.c index b071c87c8ea..f0fe36aa66a 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -38,6 +38,7 @@ Created 10/25/1995 Heikki Tuuri #include "mtr0mtr.h" #include "mtr0log.h" #include "dict0dict.h" +#include "page0page.h" #include "page0zip.h" #ifndef UNIV_HOTBACKUP # include "buf0lru.h" @@ -1097,9 +1098,11 @@ fil_space_create( fil_space_t* space; /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal table->flags. */ + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ ut_a(flags != DICT_TF_COMPACT); ut_a(!(flags & (~0UL << DICT_TF_BITS))); @@ -2583,9 +2586,11 @@ fil_create_new_single_table_tablespace( ut_a(size >= FIL_IBD_FILE_INITIAL_SIZE); /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal table->flags. */ + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ ut_a(flags != DICT_TF_COMPACT); ut_a(!(flags & (~0UL << DICT_TF_BITS))); @@ -2788,6 +2793,7 @@ fil_reset_too_high_lsns( ib_int64_t offset; ulint zip_size; ibool success; + page_zip_des_t page_zip; filepath = fil_make_ibd_name(name, FALSE); @@ -2835,6 +2841,12 @@ fil_reset_too_high_lsns( space_id = fsp_header_get_space_id(page); zip_size = fsp_header_get_zip_size(page); + page_zip_des_init(&page_zip); + page_zip_set_size(&page_zip, zip_size); + if (zip_size) { + page_zip.data = page + UNIV_PAGE_SIZE; + } + ut_print_timestamp(stderr); fprintf(stderr, " InnoDB: Flush lsn in the tablespace file %lu" @@ -2869,20 +2881,23 @@ fil_reset_too_high_lsns( /* We have to reset the lsn */ if (zip_size) { - memcpy(page + UNIV_PAGE_SIZE, page, zip_size); + memcpy(page_zip.data, page, zip_size); buf_flush_init_for_writing( - page, page + UNIV_PAGE_SIZE, - current_lsn); + page, &page_zip, current_lsn); + success = os_file_write( + filepath, file, page_zip.data, + (ulint) offset & 0xFFFFFFFFUL, + (ulint) (offset >> 32), zip_size); } else { buf_flush_init_for_writing( page, NULL, current_lsn); + success = os_file_write( + filepath, file, page, + (ulint)(offset & 0xFFFFFFFFUL), + (ulint)(offset >> 32), + UNIV_PAGE_SIZE); } - success = os_file_write(filepath, file, page, - (ulint)(offset & 0xFFFFFFFFUL), - (ulint)(offset >> 32), - zip_size - ? zip_size - : UNIV_PAGE_SIZE); + if (!success) { goto func_exit; @@ -2958,10 +2973,11 @@ fil_open_single_table_tablespace( filepath = fil_make_ibd_name(name, FALSE); /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should be equal to - table->flags & ~(~0 << DICT_TF_BITS). */ + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ ut_a(flags != DICT_TF_COMPACT); ut_a(!(flags & (~0UL << DICT_TF_BITS))); diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 4a8c3aac33f..24821a76f2f 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -3308,6 +3308,9 @@ ha_innobase::innobase_initialize_autoinc() ulint err; update_thd(ha_thd()); + + ut_a(prebuilt->trx == thd_to_trx(user_thd)); + col_name = field->field_name; index = innobase_get_index(table->s->next_number_index); @@ -3498,31 +3501,86 @@ retry: of length ref_length! */ if (!row_table_got_default_clust_index(ib_table)) { - if (primary_key >= MAX_KEY) { - sql_print_error("Table %s has a primary key in InnoDB data " - "dictionary, but not in MySQL!", name); - } prebuilt->clust_index_was_generated = FALSE; - /* MySQL allocates the buffer for ref. key_info->key_length - includes space for all key columns + one byte for each column - that may be NULL. ref_length must be as exact as possible to - save space, because all row reference buffers are allocated - based on ref_length. */ + if (UNIV_UNLIKELY(primary_key >= MAX_KEY)) { + sql_print_error("Table %s has a primary key in " + "InnoDB data dictionary, but not " + "in MySQL!", name); - ref_length = table->key_info[primary_key].key_length; + /* This mismatch could cause further problems + if not attended, bring this to the user's attention + by printing a warning in addition to log a message + in the errorlog */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NO_SUCH_INDEX, + "InnoDB: Table %s has a " + "primary key in InnoDB data " + "dictionary, but not in " + "MySQL!", name); + + /* If primary_key >= MAX_KEY, its (primary_key) + value could be out of bound if continue to index + into key_info[] array. Find InnoDB primary index, + and assign its key_length to ref_length. + In addition, since MySQL indexes are sorted starting + with primary index, unique index etc., initialize + ref_length to the first index key length in + case we fail to find InnoDB cluster index. + + Please note, this will not resolve the primary + index mismatch problem, other side effects are + possible if users continue to use the table. + However, we allow this table to be opened so + that user can adopt necessary measures for the + mismatch while still being accessible to the table + date. */ + ref_length = table->key_info[0].key_length; + + /* Find correspoinding cluster index + key length in MySQL's key_info[] array */ + for (ulint i = 0; i < table->s->keys; i++) { + dict_index_t* index; + index = innobase_get_index(i); + if (dict_index_is_clust(index)) { + ref_length = + table->key_info[i].key_length; + } + } + } else { + /* MySQL allocates the buffer for ref. + key_info->key_length includes space for all key + columns + one byte for each column that may be + NULL. ref_length must be as exact as possible to + save space, because all row reference buffers are + allocated based on ref_length. */ + + ref_length = table->key_info[primary_key].key_length; + } } else { if (primary_key != MAX_KEY) { - sql_print_error("Table %s has no primary key in InnoDB data " - "dictionary, but has one in MySQL! If you " - "created the table with a MySQL version < " - "3.23.54 and did not define a primary key, " - "but defined a unique key with all non-NULL " - "columns, then MySQL internally treats that " - "key as the primary key. You can fix this " - "error by dump + DROP + CREATE + reimport " - "of the table.", name); + sql_print_error( + "Table %s has no primary key in InnoDB data " + "dictionary, but has one in MySQL! If you " + "created the table with a MySQL version < " + "3.23.54 and did not define a primary key, " + "but defined a unique key with all non-NULL " + "columns, then MySQL internally treats that " + "key as the primary key. You can fix this " + "error by dump + DROP + CREATE + reimport " + "of the table.", name); + + /* This mismatch could cause further problems + if not attended, bring this to the user attention + by printing a warning in addition to log a message + in the errorlog */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NO_SUCH_INDEX, + "InnoDB: Table %s has no " + "primary key in InnoDB data " + "dictionary, but has one in " + "MySQL!", name); } prebuilt->clust_index_was_generated = TRUE; @@ -5406,9 +5464,6 @@ ha_innobase::innobase_get_index( DBUG_ENTER("innobase_get_index"); ha_statistic_increment(&SSV::ha_read_key_count); - ut_ad(user_thd == ha_thd()); - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - if (keynr != MAX_KEY && table->s->keys > 0) { key = table->key_info + keynr; @@ -5994,9 +6049,11 @@ create_table_def( if (error == DB_DUPLICATE_KEY) { char buf[100]; - innobase_convert_identifier(buf, sizeof buf, - table_name, strlen(table_name), - trx->mysql_thd, TRUE); + char* buf_end = innobase_convert_identifier( + buf, sizeof buf - 1, table_name, strlen(table_name), + trx->mysql_thd, TRUE); + + *buf_end = '\0'; my_error(ER_TABLE_EXISTS_ERROR, MYF(0), buf); } @@ -8663,19 +8720,25 @@ innodb_show_status( } /************************************************************************//** -Implements the SHOW MUTEX STATUS command. . */ +Implements the SHOW MUTEX STATUS command. +@return TRUE on failure, FALSE on success. */ static bool innodb_mutex_show_status( /*=====================*/ - handlerton* hton, /*!< in: the innodb handlerton */ + handlerton* hton, /*!< in: the innodb handlerton */ THD* thd, /*!< in: the MySQL query thread of the caller */ - stat_print_fn* stat_print) + stat_print_fn* stat_print) /*!< in: function for printing + statistics */ { char buf1[IO_SIZE], buf2[IO_SIZE]; mutex_t* mutex; rw_lock_t* lock; + ulint block_mutex_oswait_count = 0; + ulint block_lock_oswait_count = 0; + mutex_t* block_mutex = NULL; + rw_lock_t* block_lock = NULL; #ifdef UNIV_DEBUG ulint rw_lock_count= 0; ulint rw_lock_count_spin_loop= 0; @@ -8690,12 +8753,16 @@ innodb_mutex_show_status( mutex_enter(&mutex_list_mutex); - mutex = UT_LIST_GET_FIRST(mutex_list); + for (mutex = UT_LIST_GET_FIRST(mutex_list); mutex != NULL; + mutex = UT_LIST_GET_NEXT(list, mutex)) { + if (mutex->count_os_wait == 0) { + continue; + } - while (mutex != NULL) { - if (mutex->count_os_wait == 0 - || buf_pool_is_block_mutex(mutex)) { - goto next_mutex; + if (buf_pool_is_block_mutex(mutex)) { + block_mutex = mutex; + block_mutex_oswait_count += mutex->count_os_wait; + continue; } #ifdef UNIV_DEBUG if (mutex->mutex_type != 1) { @@ -8722,8 +8789,7 @@ innodb_mutex_show_status( DBUG_RETURN(1); } } - } - else { + } else { rw_lock_count += mutex->count_using; rw_lock_count_spin_loop += mutex->count_spin_loop; rw_lock_count_spin_rounds += mutex->count_spin_rounds; @@ -8735,7 +8801,7 @@ innodb_mutex_show_status( buf1len= (uint) my_snprintf(buf1, sizeof(buf1), "%s:%lu", mutex->cfile_name, (ulong) mutex->cline); buf2len= (uint) my_snprintf(buf2, sizeof(buf2), "os_waits=%lu", - mutex->count_os_wait); + (ulong) mutex->count_os_wait); if (stat_print(thd, innobase_hton_name, hton_name_len, buf1, buf1len, @@ -8744,45 +8810,83 @@ innodb_mutex_show_status( DBUG_RETURN(1); } #endif /* UNIV_DEBUG */ + } -next_mutex: - mutex = UT_LIST_GET_NEXT(list, mutex); + if (block_mutex) { + buf1len = (uint) my_snprintf(buf1, sizeof buf1, + "combined %s:%lu", + block_mutex->cfile_name, + (ulong) block_mutex->cline); + buf2len = (uint) my_snprintf(buf2, sizeof buf2, + "os_waits=%lu", + (ulong) block_mutex_oswait_count); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&mutex_list_mutex); + DBUG_RETURN(1); + } } mutex_exit(&mutex_list_mutex); mutex_enter(&rw_lock_list_mutex); - lock = UT_LIST_GET_FIRST(rw_lock_list); - - while (lock != NULL) { - if (lock->count_os_wait - && !buf_pool_is_block_lock(lock)) { - buf1len= my_snprintf(buf1, sizeof(buf1), "%s:%lu", - lock->cfile_name, (ulong) lock->cline); - buf2len= my_snprintf(buf2, sizeof(buf2), - "os_waits=%lu", lock->count_os_wait); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&rw_lock_list_mutex); - DBUG_RETURN(1); - } + for (lock = UT_LIST_GET_FIRST(rw_lock_list); lock != NULL; + lock = UT_LIST_GET_NEXT(list, lock)) { + if (lock->count_os_wait) { + continue; + } + + if (buf_pool_is_block_lock(lock)) { + block_lock = lock; + block_lock_oswait_count += lock->count_os_wait; + continue; + } + + buf1len = my_snprintf(buf1, sizeof buf1, "%s:%lu", + lock->cfile_name, (ulong) lock->cline); + buf2len = my_snprintf(buf2, sizeof buf2, "os_waits=%lu", + (ulong) lock->count_os_wait); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&rw_lock_list_mutex); + DBUG_RETURN(1); + } + } + + if (block_lock) { + buf1len = (uint) my_snprintf(buf1, sizeof buf1, + "combined %s:%lu", + block_lock->cfile_name, + (ulong) block_lock->cline); + buf2len = (uint) my_snprintf(buf2, sizeof buf2, + "os_waits=%lu", + (ulong) block_lock_oswait_count); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&rw_lock_list_mutex); + DBUG_RETURN(1); } - lock = UT_LIST_GET_NEXT(list, lock); } mutex_exit(&rw_lock_list_mutex); #ifdef UNIV_DEBUG - buf2len= my_snprintf(buf2, sizeof(buf2), - "count=%lu, spin_waits=%lu, spin_rounds=%lu, " - "os_waits=%lu, os_yields=%lu, os_wait_times=%lu", - rw_lock_count, rw_lock_count_spin_loop, - rw_lock_count_spin_rounds, - rw_lock_count_os_wait, rw_lock_count_os_yield, - (ulong) (rw_lock_wait_time/1000)); + buf2len = my_snprintf(buf2, sizeof buf2, + "count=%lu, spin_waits=%lu, spin_rounds=%lu, " + "os_waits=%lu, os_yields=%lu, os_wait_times=%lu", + (ulong) rw_lock_count, + (ulong) rw_lock_count_spin_loop, + (ulong) rw_lock_count_spin_rounds, + (ulong) rw_lock_count_os_wait, + (ulong) rw_lock_count_os_yield, + (ulong) (rw_lock_wait_time / 1000)); if (stat_print(thd, innobase_hton_name, hton_name_len, STRING_WITH_LEN("rw_lock_mutexes"), buf2, buf2len)) { @@ -9733,33 +9837,60 @@ innobase_set_cursor_view( (cursor_view_t*) curview); } +/*******************************************************************//** +If col_name is not NULL, check whether the named column is being +renamed in the table. If col_name is not provided, check +whether any one of columns in the table is being renamed. +@return true if the column is being renamed */ +static +bool +check_column_being_renamed( +/*=======================*/ + const TABLE* table, /*!< in: MySQL table */ + const char* col_name) /*!< in: name of the column */ +{ + uint k; + Field* field; -/*********************************************************************** -Check whether any of the given columns is being renamed in the table. */ + for (k = 0; k < table->s->fields; k++) { + field = table->field[k]; + + if (field->flags & FIELD_IS_RENAMED) { + + /* If col_name is not provided, return + if the field is marked as being renamed. */ + if (!col_name) { + return(true); + } + + /* If col_name is provided, return only + if names match */ + if (innobase_strcasecmp(field->field_name, + col_name) == 0) { + return(true); + } + } + } + + return(false); +} + +/*******************************************************************//** +Check whether any of the given columns is being renamed in the table. +@return true if any of col_names is being renamed in table */ static bool column_is_being_renamed( /*====================*/ - /* out: true if any of col_names is - being renamed in table */ - TABLE* table, /* in: MySQL table */ - uint n_cols, /* in: number of columns */ - const char** col_names) /* in: names of the columns */ + TABLE* table, /*!< in: MySQL table */ + uint n_cols, /*!< in: number of columns */ + const char** col_names) /*!< in: names of the columns */ { uint j; - uint k; - Field* field; - const char* col_name; for (j = 0; j < n_cols; j++) { - col_name = col_names[j]; - for (k = 0; k < table->s->fields; k++) { - field = table->field[k]; - if ((field->flags & FIELD_IS_RENAMED) - && innobase_strcasecmp(field->field_name, - col_name) == 0) { - return(true); - } + if (check_column_being_renamed(table, col_names[j])) { + return(true); } } @@ -9843,6 +9974,15 @@ ha_innobase::check_if_incompatible_data( return(COMPATIBLE_DATA_NO); } + /* For column rename operation, MySQL does not supply enough + information (new column name etc.) for InnoDB to make appropriate + system metadata change. To avoid system metadata inconsistency, + currently we can just request a table rebuild/copy by returning + COMPATIBLE_DATA_NO */ + if (check_column_being_renamed(table, NULL)) { + return COMPATIBLE_DATA_NO; + } + /* Check if a column participating in a foreign key is being renamed. There is no mechanism for updating InnoDB foreign key definitions. */ if (foreign_key_column_is_being_renamed(prebuilt, table)) { diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 1c99cd8e984..071253d2dae 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -528,12 +528,14 @@ innobase_create_key_def( key_info->name, "PRIMARY"); /* If there is a UNIQUE INDEX consisting entirely of NOT NULL - columns, MySQL will treat it as a PRIMARY KEY unless the - table already has one. */ + columns and if the index does not contain column prefix(es) + (only prefix/part of the column is indexed), MySQL will treat the + index as a PRIMARY KEY unless the table already has one. */ if (!new_primary && (key_info->flags & HA_NOSAME) + && (!(key_info->flags & HA_KEY_HAS_PART_KEY_SEG)) && row_table_got_default_clust_index(table)) { - uint key_part = key_info->key_parts; + uint key_part = key_info->key_parts; new_primary = TRUE; diff --git a/include/buf0buf.h b/include/buf0buf.h index abaa0039018..38c163feeb4 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1258,15 +1258,21 @@ struct buf_block_struct{ rw_lock_t lock; /*!< read-write lock of the buffer frame */ unsigned lock_hash_val:32;/*!< hashed value of the page address - in the record lock hash table */ - unsigned check_index_page_at_flush:1; + in the record lock hash table; + protected by buf_block_t::lock + (or buf_block_t::mutex, buf_pool_mutex + in buf_page_get_gen(), + buf_page_init_for_read() + and buf_page_create()) */ + ibool check_index_page_at_flush; /*!< TRUE if we know that this is an index page, and want the database to check its consistency before flush; note that there may be pages in the buffer pool which are index pages, but this flag is not set because - we do not keep track of all pages */ + we do not keep track of all pages; + NOT protected by any mutex */ /* @} */ /** @name Optimistic search field */ /* @{ */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 55d7567dc99..0a3572e3e49 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -705,6 +705,12 @@ buf_block_get_lock_hash_val( /*========================*/ const buf_block_t* block) /*!< in: block */ { + ut_ad(block); + ut_ad(buf_page_in_file(&block->page)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_EXCLUSIVE) + || rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ return(block->lock_hash_val); } diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index 310c7c4117f..eaf68e1b393 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -70,6 +70,7 @@ mtr_memo_push( ut_ad(type <= MTR_MEMO_X_LOCK); ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); memo = &(mtr->memo); @@ -92,6 +93,7 @@ mtr_set_savepoint( ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); memo = &(mtr->memo); @@ -149,6 +151,7 @@ mtr_memo_contains( ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE || mtr->state == MTR_COMMITTING); memo = &(mtr->memo); diff --git a/log/log0recv.c b/log/log0recv.c index d679045115f..3e3aaa25ab2 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -2071,15 +2071,6 @@ recv_parse_log_rec( } #endif /* UNIV_LOG_LSN_DEBUG */ - /* Check that page_no is sensible */ - - if (UNIV_UNLIKELY(*page_no > 0x8FFFFFFFUL)) { - - recv_sys->found_corrupt_log = TRUE; - - return(0); - } - new_ptr = recv_parse_or_apply_log_rec_body(*type, new_ptr, end_ptr, NULL, NULL); if (UNIV_UNLIKELY(new_ptr == NULL)) { @@ -2188,6 +2179,14 @@ recv_report_corrupt_log( putc('\n', stderr); } +#ifndef UNIV_HOTBACKUP + if (!srv_force_recovery) { + fputs("InnoDB: Set innodb_force_recovery" + " to ignore this error.\n", stderr); + ut_error; + } +#endif /* !UNIV_HOTBACKUP */ + fputs("InnoDB: WARNING: the log file may have been corrupt and it\n" "InnoDB: is possible that the log scan did not proceed\n" "InnoDB: far enough in recovery! Please run CHECK TABLE\n" @@ -2702,6 +2701,16 @@ recv_scan_log_recs( recv_sys->found_corrupt_log = TRUE; +#ifndef UNIV_HOTBACKUP + if (!srv_force_recovery) { + fputs("InnoDB: Set" + " innodb_force_recovery" + " to ignore this error.\n", + stderr); + ut_error; + } +#endif /* !UNIV_HOTBACKUP */ + } else if (!recv_sys->found_corrupt_log) { more_data = recv_sys_add_to_parsing_buf( log_block, scanned_lsn); diff --git a/mysql-test/innodb-consistent.test b/mysql-test/innodb-consistent.test index 5a7f4dc392d..bf829a74ea2 100644 --- a/mysql-test/innodb-consistent.test +++ b/mysql-test/innodb-consistent.test @@ -25,7 +25,7 @@ replace into t1 select * from t2; connection b; set session transaction isolation level read committed; set autocommit=0; -# should not cuase a lock wait. +# should not cause a lock wait. delete from t2 where a=5; commit; delete from t2; @@ -41,7 +41,7 @@ insert into t1 select * from t2; connection b; set session transaction isolation level read committed; set autocommit=0; -# should not cuase a lock wait. +# should not cause a lock wait. delete from t2 where a=5; commit; delete from t2; diff --git a/mysql-test/innodb_bug21704.result b/mysql-test/innodb_bug21704.result index b8e0b15d50d..ffbfa8a337e 100644 --- a/mysql-test/innodb_bug21704.result +++ b/mysql-test/innodb_bug21704.result @@ -25,8 +25,8 @@ ALTER TABLE t1 CHANGE a c INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) # Ensure that online column rename works. ALTER TABLE t1 CHANGE b c INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Test renaming the column in the referencing table @@ -34,8 +34,8 @@ ALTER TABLE t2 CHANGE a c INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) # Ensure that online column rename works. ALTER TABLE t2 CHANGE b c INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Test with self-referential constraints @@ -45,8 +45,8 @@ ALTER TABLE t3 CHANGE b d INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) # Ensure that online column rename works. ALTER TABLE t3 CHANGE c d INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Cleanup. diff --git a/mysql-test/innodb_bug38231.result b/mysql-test/innodb_bug38231.result new file mode 100644 index 00000000000..2f909779755 --- /dev/null +++ b/mysql-test/innodb_bug38231.result @@ -0,0 +1,11 @@ +SET storage_engine=InnoDB; +INSERT INTO bug38231 VALUES (1), (10), (300); +SET autocommit=0; +SELECT * FROM bug38231 FOR UPDATE; +a +1 +10 +300 +TRUNCATE TABLE bug38231; +COMMIT; +DROP TABLE bug38231; diff --git a/mysql-test/innodb_bug38231.test b/mysql-test/innodb_bug38231.test new file mode 100644 index 00000000000..54f58844c42 --- /dev/null +++ b/mysql-test/innodb_bug38231.test @@ -0,0 +1,97 @@ +# +# Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK +# http://bugs.mysql.com/38231 +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not crash the server +-- disable_query_log +-- disable_result_log + +DROP TABLE IF EXISTS bug38231; +CREATE TABLE bug38231 (a INT); + +-- connect (con1,localhost,root,,) +-- connect (con2,localhost,root,,) +-- connect (con3,localhost,root,,) + +-- connection con1 +SET autocommit=0; +LOCK TABLE bug38231 WRITE; + +-- connection con2 +SET autocommit=0; +-- send +LOCK TABLE bug38231 WRITE; + +-- connection con3 +SET autocommit=0; +-- send +LOCK TABLE bug38231 WRITE; + +-- connection default +-- send +TRUNCATE TABLE bug38231; + +-- connection con1 +# Wait for TRUNCATE and the other two LOCKs to be executed; without this, +# sometimes UNLOCK executes before them. We assume there are no other +# sessions executing at the same time with the same SQL commands. +let $wait_condition = + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE info = 'TRUNCATE TABLE bug38231'; +-- source include/wait_condition.inc +let $wait_condition = + SELECT COUNT(*) = 2 FROM information_schema.processlist + WHERE info = 'LOCK TABLE bug38231 WRITE'; +-- source include/wait_condition.inc +# the above enables query log, re-disable it +-- disable_query_log + +# this crashes the server if the bug is present +UNLOCK TABLES; + +# clean up + +-- connection con2 +-- reap +UNLOCK TABLES; + +-- connection con3 +-- reap +UNLOCK TABLES; + +-- connection default +-- reap + +-- disconnect con1 +-- disconnect con2 +-- disconnect con3 + +# test that TRUNCATE works with with row-level locks + +-- enable_query_log +-- enable_result_log + +INSERT INTO bug38231 VALUES (1), (10), (300); + +-- connect (con4,localhost,root,,) + +-- connection con4 +SET autocommit=0; +SELECT * FROM bug38231 FOR UPDATE; + +-- connection default +TRUNCATE TABLE bug38231; + +-- connection con4 +COMMIT; + +-- connection default + +-- disconnect con4 + +DROP TABLE bug38231; diff --git a/mysql-test/innodb_bug39438-master.opt b/mysql-test/innodb_bug39438-master.opt new file mode 100644 index 00000000000..43fac202fd4 --- /dev/null +++ b/mysql-test/innodb_bug39438-master.opt @@ -0,0 +1 @@ +--innodb-file-per-table=1 diff --git a/mysql-test/innodb_bug39438.result b/mysql-test/innodb_bug39438.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/mysql-test/innodb_bug39438.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/mysql-test/innodb_bug39438.test b/mysql-test/innodb_bug39438.test new file mode 100644 index 00000000000..52302871beb --- /dev/null +++ b/mysql-test/innodb_bug39438.test @@ -0,0 +1,51 @@ +# +# Bug#39438 Testcase for Bug#39436 crashes on 5.1 in fil_space_get_latch +# http://bugs.mysql.com/39438 +# +# This test must be run with innodb_file_per_table=1 because the crash +# only occurs if that option is turned on and DISCARD TABLESPACE only +# works with innodb_file_per_table. +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not crash the server +-- disable_query_log +-- disable_result_log + +DROP TABLE IF EXISTS bug39438; + +CREATE TABLE bug39438 (id INT) ENGINE=INNODB; + +# remove: XXX Uncomment the following ALTER and remove those lines after +# remove: applying the patch. +# remove: Obviously this test is useless without this ALTER command, +# remove: but it causes warnings to be printed by mysqld and the whole +# remove: mysql-test suite fails at the end (returns non-zero). Please +# remove: apply this patch to the mysql source tree, remove those lines +# remove: and uncomment the following ALTER. We do not care about the +# remove: warnings, this test is to ensure mysqld does not crash. +# remove: === modified file 'mysql-test/lib/mtr_report.pl' +# remove: --- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000 +# remove: +++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000 +# remove: @@ -412,7 +412,10 @@ +# remove: +# remove: # When trying to set lower_case_table_names = 2 +# remove: # on a case sensitive file system. Bug#37402. +# remove: - /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ +# remove: + /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or +# remove: + +# remove: + # this test is expected to print warnings +# remove: + ($testname eq 'main.innodb_bug39438') +# remove: ) +# remove: { +# remove: next; # Skip these lines +# remove: +#ALTER TABLE bug39438 DISCARD TABLESPACE; + +# this crashes the server if the bug is present +SHOW TABLE STATUS; + +DROP TABLE bug39438; diff --git a/mysql-test/innodb_bug44571.result b/mysql-test/innodb_bug44571.result index 36374edcb3e..7ee7820a02d 100644 --- a/mysql-test/innodb_bug44571.result +++ b/mysql-test/innodb_bug44571.result @@ -2,8 +2,7 @@ CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; ALTER TABLE bug44571 CHANGE foo bar INT; ALTER TABLE bug44571 ADD INDEX bug44571b (foo); ERROR 42000: Key column 'foo' doesn't exist in table -ALTER TABLE bug44571 ADD INDEX bug44571b (bar); -ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it -CREATE INDEX bug44571b ON bug44571 (bar); -ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); DROP TABLE bug44571; diff --git a/mysql-test/innodb_bug44571.test b/mysql-test/innodb_bug44571.test index 685463ceff9..91b6722d8af 100644 --- a/mysql-test/innodb_bug44571.test +++ b/mysql-test/innodb_bug44571.test @@ -1,17 +1,22 @@ # # Bug#44571 InnoDB Plugin crashes on ADD INDEX # http://bugs.mysql.com/44571 +# Please also refer to related fix in +# http://bugs.mysql.com/47621 # -- source include/have_innodb.inc CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; ALTER TABLE bug44571 CHANGE foo bar INT; +# Create index with the old column name will fail, +# because the CHANGE foo bar is successful. And +# the column name change would communicate to +# InnoDB with the fix from bug #47621 -- error ER_KEY_COLUMN_DOES_NOT_EXITS ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -# The following will fail, because the CHANGE foo bar was -# not communicated to InnoDB. ---error ER_NOT_KEYFILE -ALTER TABLE bug44571 ADD INDEX bug44571b (bar); ---error ER_NOT_KEYFILE -CREATE INDEX bug44571b ON bug44571 (bar); +# The following create indexes should succeed, +# indirectly confirm the CHANGE foo bar is successful. +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); DROP TABLE bug44571; diff --git a/mysql-test/innodb_bug47621.result b/mysql-test/innodb_bug47621.result new file mode 100644 index 00000000000..c5f56c09788 --- /dev/null +++ b/mysql-test/innodb_bug47621.result @@ -0,0 +1,21 @@ +CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; +ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; +create index orgs on bug47621(sales_acct_id); +ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; +drop table bug47621; +CREATE TABLE bug47621_sale ( +salesperson INT, +PRIMARY KEY(salesperson)) engine = innodb; +CREATE TABLE bug47621_shirt( +id SMALLINT, +owner INT, +FOREIGN KEY(owner) +references bug47621_sale(salesperson) ON DELETE RESTRICT) +engine = innodb; +insert into bug47621_sale values(9); +insert into bug47621_shirt values(1, 9); +ALTER TABLE bug47621_shirt CHANGE id new_id INT; +drop table bug47621_shirt; +ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; +ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); +drop table bug47621_sale; diff --git a/mysql-test/innodb_bug47621.test b/mysql-test/innodb_bug47621.test new file mode 100644 index 00000000000..4863cc6bba1 --- /dev/null +++ b/mysql-test/innodb_bug47621.test @@ -0,0 +1,57 @@ +# This is the test for bug #47621, column rename operation should +# not result in column definition inconsistency between MySQL and +# InnoDB + +--source include/have_innodb.inc + +CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; + +# Change the column name +ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; + +# If there is inconsistency of column name definition +# in MySQL or InnoDB, following create index would fail +create index orgs on bug47621(sales_acct_id); + +# Change the column name back with the index defined on it. +ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; + +drop table bug47621; + +CREATE TABLE bug47621_sale ( + salesperson INT, + PRIMARY KEY(salesperson)) engine = innodb; + +CREATE TABLE bug47621_shirt( + id SMALLINT, + owner INT, + FOREIGN KEY(owner) + references bug47621_sale(salesperson) ON DELETE RESTRICT) + engine = innodb; + +insert into bug47621_sale values(9); + +insert into bug47621_shirt values(1, 9); + +# Any rename operation on columns involved in a reference constraint will +# fail, as it will be rejected by InnoDB row_rename_table_for_mysql(). +# In above example, any rename on column "salesperson" for table +# "bug47621_sale", or on column "owner" for table "bug47621_shirt will +# be blocked. We do not put such rename in the test since InnoDB error +# message will be printed in the error log, and result in test failure. +# +# ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; + +# Any rename on columns not involved in the foreign key constraint +# could still proceed +ALTER TABLE bug47621_shirt CHANGE id new_id INT; + +# Referencing table dropped, the rename operation on related columns +# could proceed +drop table bug47621_shirt; + +ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; + +ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); + +drop table bug47621_sale; diff --git a/mysql-test/innodb_bug51378.result b/mysql-test/innodb_bug51378.result new file mode 100644 index 00000000000..a3ca73c16a9 --- /dev/null +++ b/mysql-test/innodb_bug51378.result @@ -0,0 +1,66 @@ +create table bug51378 ( +col1 int not null, +col2 blob not null, +col3 time not null) engine = innodb; +create unique index idx on bug51378(col1, col2(31)); +alter table bug51378 add unique index idx2(col1, col2(31)); +create unique index idx3 on bug51378(col1, col3); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + UNIQUE KEY `idx3` (`col1`,`col3`), + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop index idx3 on bug51378; +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table bug51378 add primary key idx3(col1, col2(31)); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + PRIMARY KEY (`col1`,`col2`(31)), + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; +create table bug51378 ( +col1 int not null, +col2 blob not null, +col3 time not null, primary key(col1, col2(31))) engine = innodb; +create unique index idx on bug51378(col1, col2(31)); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + PRIMARY KEY (`col1`,`col2`(31)), + UNIQUE KEY `idx` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; +create table bug51378 ( +col1 int not null, +col2 int ) engine = innodb; +create unique index idx on bug51378(col1, col2); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` int(11) DEFAULT NULL, + UNIQUE KEY `idx` (`col1`,`col2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; diff --git a/mysql-test/innodb_bug51378.test b/mysql-test/innodb_bug51378.test new file mode 100644 index 00000000000..8f7b0b9605a --- /dev/null +++ b/mysql-test/innodb_bug51378.test @@ -0,0 +1,77 @@ +# This is the test for bug 51378. Unique index created +# through "create index" and "alter table add unique index" +# interfaces should not be treated as primary index if indexed +# columns contain one or more column prefix(es) (only prefix/part of +# the column is indexed) +# On the other hand, if there is a unique index covers all +# columns of a table, and they are non-null columns, and +# full length of the column are indexed, then this index +# will be created as primary index +# Following queries test various scenario, no mismatch +# error message should be printed. +--source include/have_innodb.inc + +# Create a table contains a BLOB column +create table bug51378 ( + col1 int not null, + col2 blob not null, + col3 time not null) engine = innodb; + +# Create following unique indexes on 'col1' and 'col2(31)' +# of the table, the index should not be treated as primary +# key because it indexes only first 31 bytes of col2. +# Thus it contains "column prefix", and will not be +# upgraded to primary index. +# There should not be mismatch message printed in the +# errorlog +create unique index idx on bug51378(col1, col2(31)); + +alter table bug51378 add unique index idx2(col1, col2(31)); + +# Unique index on 'col1' and 'col3' will be created as primary index, +# since the index does not contain column prefix +create unique index idx3 on bug51378(col1, col3); + +# Show create table would show idx3 created as unique index, internally, +# idx3 is treated as primary index both by MySQL and Innodb +SHOW CREATE TABLE bug51378; + +# "GEN_CLUST_INDEX" will be re-created as default primary index +# after idx3 is dropped +drop index idx3 on bug51378; + +SHOW CREATE TABLE bug51378; + +# Or we can add the primary key through alter table interfaces +alter table bug51378 add primary key idx3(col1, col2(31)); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; + +# Or we can create such primary key through create table interfaces +create table bug51378 ( + col1 int not null, + col2 blob not null, + col3 time not null, primary key(col1, col2(31))) engine = innodb; + +# Unique index on one or more column prefix(es) will be created +# as non-cluster index +create unique index idx on bug51378(col1, col2(31)); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; + +# If a table has a NULLABLE column, unique index on it will not +# be treated as primary index. +create table bug51378 ( + col1 int not null, + col2 int ) engine = innodb; + +# This will be created as non-cluster index since col2 is nullable +create unique index idx on bug51378(col1, col2); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; diff --git a/plug.in b/plug.in index 96db9bd80e3..eb51e0ebaa1 100644 --- a/plug.in +++ b/plug.in @@ -14,7 +14,7 @@ # Place, Suite 330, Boston, MA 02111-1307 USA # -MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine], +MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine], [Transactional Tables using InnoDB], [max,max-no-ndb]) MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase]) MYSQL_PLUGIN_STATIC(innobase, [libinnobase.a]) diff --git a/trx/trx0rec.c b/trx/trx0rec.c index 5097cf18dcd..38a0e4f0f44 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -977,6 +977,7 @@ trx_undo_update_rec_get_update( fprintf(stderr, "\n" "InnoDB: n_fields = %lu, i = %lu, ptr %p\n", (ulong) n_fields, (ulong) i, ptr); + *upd = NULL; return(NULL); } diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 253619545af..ba25662c8fb 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -584,8 +584,8 @@ trx_sys_doublewrite_init_or_restore_pages( " recover the database" " with the my.cnf\n" "InnoDB: option:\n" - "InnoDB: set-variable=" - "innodb_force_recovery=6\n"); + "InnoDB:" + " innodb_force_recovery=6\n"); exit(1); } From 90c200a216506ed5309d2bc4a20385875eb7d1a8 Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Thu, 11 Mar 2010 14:00:36 +0100 Subject: [PATCH 162/400] Bug#42954: SQL MODE 'NO_DIR_IN_CREATE' does not work with subpartitions There was no check for DATA/INDEX DIRECTORY for subpartitions Added the same check as for partitions. --- mysql-test/r/partition_error.result | 70 +++++++++++++++++++++++++++++ mysql-test/t/partition_error.test | 36 ++++++++++++++- sql/partition_info.cc | 40 +++++++++++------ 3 files changed, 131 insertions(+), 15 deletions(-) diff --git a/mysql-test/r/partition_error.result b/mysql-test/r/partition_error.result index b692203823d..c03d5e16a48 100644 --- a/mysql-test/r/partition_error.result +++ b/mysql-test/r/partition_error.result @@ -1,4 +1,74 @@ drop table if exists t1; +# +# Bug#42954: SQL MODE 'NO_DIR_IN_CREATE' does not work with +# subpartitions +SET @org_mode=@@sql_mode; +SET @@sql_mode='NO_DIR_IN_CREATE'; +SELECT @@sql_mode; +@@sql_mode +NO_DIR_IN_CREATE +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +SUBPARTITION BY HASH(TO_DAYS(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE +DATA DIRECTORY = '/tmp/not-existing' +INDEX DIRECTORY = '/tmp/not-existing'); +Warnings: +Warning 1618 option ignored +Warning 1618 option ignored +Warning 1618 option ignored +Warning 1618 option ignored +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) DEFAULT NULL, + `purchased` date DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +/*!50100 PARTITION BY RANGE (YEAR(purchased)) +SUBPARTITION BY HASH (TO_DAYS(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ +DROP TABLE t1; +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +SUBPARTITION BY HASH(TO_DAYS(purchased)) SUBPARTITIONS 2 +(PARTITION p0 VALUES LESS THAN MAXVALUE +(SUBPARTITION sp0 +DATA DIRECTORY = '/tmp/not-existing' +INDEX DIRECTORY = '/tmp/not-existing', +SUBPARTITION sp1)); +Warnings: +Warning 1618 option ignored +Warning 1618 option ignored +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) DEFAULT NULL, + `purchased` date DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +/*!50100 PARTITION BY RANGE (YEAR(purchased)) +SUBPARTITION BY HASH (TO_DAYS(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE + (SUBPARTITION sp0 ENGINE = MyISAM, + SUBPARTITION sp1 ENGINE = MyISAM)) */ +DROP TABLE t1; +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE +DATA DIRECTORY = '/tmp/not-existing' +INDEX DIRECTORY = '/tmp/not-existing'); +Warnings: +Warning 1618 option ignored +Warning 1618 option ignored +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) DEFAULT NULL, + `purchased` date DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +/*!50100 PARTITION BY RANGE (YEAR(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ +DROP TABLE t1; +SET @@sql_mode= @org_mode; CREATE TABLE t1 (a INTEGER NOT NULL, PRIMARY KEY (a)); INSERT INTO t1 VALUES (1),(1); ERROR 23000: Duplicate entry '1' for key 'PRIMARY' diff --git a/mysql-test/t/partition_error.test b/mysql-test/t/partition_error.test index 1f011f36257..1f430c49a0f 100644 --- a/mysql-test/t/partition_error.test +++ b/mysql-test/t/partition_error.test @@ -7,7 +7,41 @@ --disable_warnings drop table if exists t1; --enable_warnings - + +--echo # +--echo # Bug#42954: SQL MODE 'NO_DIR_IN_CREATE' does not work with +--echo # subpartitions +SET @org_mode=@@sql_mode; +SET @@sql_mode='NO_DIR_IN_CREATE'; +SELECT @@sql_mode; +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +SUBPARTITION BY HASH(TO_DAYS(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE + DATA DIRECTORY = '/tmp/not-existing' + INDEX DIRECTORY = '/tmp/not-existing'); +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +SUBPARTITION BY HASH(TO_DAYS(purchased)) SUBPARTITIONS 2 +(PARTITION p0 VALUES LESS THAN MAXVALUE + (SUBPARTITION sp0 + DATA DIRECTORY = '/tmp/not-existing' + INDEX DIRECTORY = '/tmp/not-existing', + SUBPARTITION sp1)); +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (id INT, purchased DATE) +PARTITION BY RANGE(YEAR(purchased)) +(PARTITION p0 VALUES LESS THAN MAXVALUE + DATA DIRECTORY = '/tmp/not-existing' + INDEX DIRECTORY = '/tmp/not-existing'); +SHOW CREATE TABLE t1; +DROP TABLE t1; + +SET @@sql_mode= @org_mode; + # # Bug#38719: Partitioning returns a different error code for a # duplicate key error diff --git a/sql/partition_info.cc b/sql/partition_info.cc index ba9ea0e876e..7a6250afbad 100644 --- a/sql/partition_info.cc +++ b/sql/partition_info.cc @@ -823,6 +823,30 @@ end: DBUG_RETURN(result); } +/** + Check if we allow DATA/INDEX DIRECTORY, if not warn and set them to NULL. + + @param thd THD also containing sql_mode (looks from MODE_NO_DIR_IN_CREATE). + @param part_elem partition_element to check. +*/ +static void warn_if_dir_in_part_elem(THD *thd, partition_element *part_elem) +{ +#ifdef HAVE_READLINK + if (!my_use_symdir || (thd->variables.sql_mode & MODE_NO_DIR_IN_CREATE)) +#endif + { + if (part_elem->data_file_name) + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + WARN_OPTION_IGNORED, ER(WARN_OPTION_IGNORED), + "DATA DIRECTORY"); + if (part_elem->index_file_name) + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + WARN_OPTION_IGNORED, ER(WARN_OPTION_IGNORED), + "INDEX DIRECTORY"); + part_elem->data_file_name= part_elem->index_file_name= NULL; + } +} + /* This code is used early in the CREATE TABLE and ALTER TABLE process. @@ -950,20 +974,7 @@ bool partition_info::check_partition_info(THD *thd, handlerton **eng_type, do { partition_element *part_elem= part_it++; -#ifdef HAVE_READLINK - if (!my_use_symdir || (thd->variables.sql_mode & MODE_NO_DIR_IN_CREATE)) -#endif - { - if (part_elem->data_file_name) - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - WARN_OPTION_IGNORED, ER(WARN_OPTION_IGNORED), - "DATA DIRECTORY"); - if (part_elem->index_file_name) - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - WARN_OPTION_IGNORED, ER(WARN_OPTION_IGNORED), - "INDEX DIRECTORY"); - part_elem->data_file_name= part_elem->index_file_name= NULL; - } + warn_if_dir_in_part_elem(thd, part_elem); if (!is_sub_partitioned()) { if (part_elem->engine_type == NULL) @@ -989,6 +1000,7 @@ bool partition_info::check_partition_info(THD *thd, handlerton **eng_type, do { sub_elem= sub_it++; + warn_if_dir_in_part_elem(thd, sub_elem); if (check_table_name(sub_elem->partition_name, strlen(sub_elem->partition_name))) { From 4fc330e9859bb9e978a7762121943f82a5cc6294 Mon Sep 17 00:00:00 2001 From: calvin <> Date: Fri, 12 Mar 2010 21:47:46 +0000 Subject: [PATCH 163/400] branches/innodb+: merge the CMake file changes from MySQL. The CMake files are significantly changed in MySQL 5.5 to have cross-platform support. --- CMakeLists.txt | 220 +++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 194 insertions(+), 26 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 4aacd66c1ae..7d10a6aaf3e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,37 +15,191 @@ # This is the CMakeLists for InnoDB Plugin +INCLUDE(CheckFunctionExists) +INCLUDE(CheckCSourceCompiles) +INCLUDE(CheckCSourceRuns) -SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") -SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DSAFEMALLOC -DSAFE_MUTEX") +# OS tests +IF(UNIX) + IF(CMAKE_SYSTEM_NAME STREQUAL "Linux") + ADD_DEFINITIONS("-DUNIV_LINUX -D_GNU_SOURCE=1") + ELSEIF(CMAKE_SYSTEM_NAME MATCHES "HP*") + ADD_DEFINITIONS("-DUNIV_HPUX -DUNIV_MUST_NOT_INLINE") + ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "AIX") + ADD_DEFINITIONS("-DUNIV_AIX -DUNIX_MUST_NOT_INLINE") + ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") + ADD_DEFINITIONS("-DUNIV_SOLARIS") + ELSE() + ADD_DEFINITIONS("-DUNIV_MUST_NOT_INLINE") + ENDIF() +ENDIF() -# Starting at 5.1.38, MySQL CMake files are simplified. But the plugin -# CMakeLists.txt still needs to work with previous versions of MySQL. -IF (MYSQL_VERSION_ID GREATER "50137") - INCLUDE("${PROJECT_SOURCE_DIR}/storage/mysql_storage_engine.cmake") -ENDIF (MYSQL_VERSION_ID GREATER "50137") -IF (CMAKE_SIZEOF_VOID_P MATCHES 8) - SET(WIN64 TRUE) -ENDIF (CMAKE_SIZEOF_VOID_P MATCHES 8) +IF(NOT MSVC) +# either define HAVE_IB_GCC_ATOMIC_BUILTINS or not +IF(NOT CMAKE_CROSSCOMPILING) + CHECK_C_SOURCE_RUNS( + " + int main() + { + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + return(0); + }" + HAVE_IB_GCC_ATOMIC_BUILTINS + ) +ENDIF() + +IF(HAVE_IB_GCC_ATOMIC_BUILTINS) + ADD_DEFINITIONS(-DHAVE_IB_GCC_ATOMIC_BUILTINS=1) +ENDIF() + + # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not +IF(NOT CMAKE_CROSSCOMPILING) + CHECK_C_SOURCE_RUNS( + " + #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); + }" + HAVE_IB_ATOMIC_PTHREAD_T_GCC) +ENDIF() +IF(HAVE_IB_ATOMIC_PTHREAD_T_GCC) + ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_GCC=1) +ENDIF() + +ENDIF(NOT MSVC) + +# Solaris atomics +IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") + CHECK_FUNCTION_EXISTS(atomic_cas_ulong HAVE_ATOMIC_CAS_ULONG) + CHECK_FUNCTION_EXISTS(atomic_cas_32 HAVE_ATOMIC_CAS_32) + CHECK_FUNCTION_EXISTS(atomic_cas_64 HAVE_ATOMIC_CAS_64) + CHECK_FUNCTION_EXISTS(atomic_add_long HAVE_ATOMIC_ADD_LONG) + IF(HAVE_ATOMIC_CAS_ULONG AND HAVE_ATOMIC_CAS_32 AND + HAVE_ATOMIC_CAS_64 AND HAVE_ATOMIC_ADD_LONG) + SET(HAVE_IB_SOLARIS_ATOMICS 1) + ENDIF() + + IF(HAVE_IB_SOLARIS_ATOMICS) + ADD_DEFINITIONS(-DHAVE_IB_SOLARIS_ATOMICS=1) + ENDIF() + + IF(NOT CMAKE_CROSSCOMPILING) + # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not + CHECK_C_SOURCE_COMPILES( + " #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); + } + " HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) + ENDIF() + IF(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) + ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_SOLARIS=1) + ENDIF() +ENDIF() + + +IF(UNIX) +# this is needed to know which one of atomic_cas_32() or atomic_cas_64() +# to use in the source +SET(CMAKE_EXTRA_INCLUDE_FILES pthread.h) +CHECK_TYPE_SIZE(pthread_t SIZEOF_PTHREAD_T) +SET(CMAKE_EXTRA_INCLUDE_FILES) +ENDIF() + +IF(SIZEOF_PTHREAD_T) + ADD_DEFINITIONS(-DSIZEOF_PTHREAD_T=${SIZEOF_PTHREAD_T}) +ENDIF() + +IF(MSVC) + ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) +ENDIF() + # Include directories under innobase INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include ${CMAKE_SOURCE_DIR}/storage/innobase/handler) -# Include directories under mysql -INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include - ${CMAKE_SOURCE_DIR}/sql - ${CMAKE_SOURCE_DIR}/regex - ${CMAKE_SOURCE_DIR}/zlib - ${CMAKE_SOURCE_DIR}/extra/yassl/include) +# Sun Studio bug with -xO2 +IF(CMAKE_C_COMPILER_ID MATCHES "SunPro" + AND CMAKE_C_FLAGS_RELEASE MATCHES "O2" + AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug") + # Sun Studio 12 crashes with -xO2 flag, but not with higher optimization + # -xO3 + SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_SOURCE_DIR}/rem/rem0rec.c + PROPERTIES COMPILE_FLAGS -xO3) +ENDIF() # Removing compiler optimizations for innodb/mem/* files on 64-bit Windows # due to 64-bit compiler error, See MySQL Bug #19424, #36366, #34297 -IF (MSVC AND $(WIN64)) +IF (MSVC AND CMAKE_SIZEOF_VOID_P EQUAL 8) SET_SOURCE_FILES_PROPERTIES(mem/mem0mem.c mem/mem0pool.c PROPERTIES COMPILE_FLAGS -Od) -ENDIF (MSVC AND $(WIN64)) +ENDIF() SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c @@ -80,20 +234,34 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) -ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION) -IF (MYSQL_VERSION_ID GREATER "50137") +IF(WITH_INNODB) + # Legacy option + SET(WITH_INNOBASE_STORAGE_ENGINE TRUE) +ENDIF() + + +#The plugin's CMakeLists.txt still needs to work with previous versions of MySQL. +IF(EXISTS ${SOURCE_DIR}/storage/mysql_storage_engine.cmake) + # Old plugin support on Windows only, + # use tricks to force ha_innodb.dll name for DLL + INCLUDE(${SOURCE_DIR}/storage/mysql_storage_engine.cmake) MYSQL_STORAGE_ENGINE(INNOBASE) - # Use ha_innodb for plugin name, if plugin is built GET_TARGET_PROPERTY(LIB_LOCATION ha_innobase LOCATION) IF(LIB_LOCATION) SET_TARGET_PROPERTIES(ha_innobase PROPERTIES OUTPUT_NAME ha_innodb) - ENDIF(LIB_LOCATION) -ELSE (MYSQL_VERSION_ID GREATER "50137") + ENDIF() +ELSEIF (MYSQL_VERSION_ID LESS "50137") + # Windows only, no plugin support IF (NOT SOURCE_SUBLIBS) - ADD_DEFINITIONS(-D_WIN32 -DMYSQL_SERVER) + ADD_DEFINITIONS(-DMYSQL_SERVER) ADD_LIBRARY(innobase STATIC ${INNOBASE_SOURCES}) # Require mysqld_error.h, which is built as part of the GenError ADD_DEPENDENCIES(innobase GenError) - ENDIF (NOT SOURCE_SUBLIBS) -ENDIF (MYSQL_VERSION_ID GREATER "50137") + ENDIF() +ELSE() + # New plugin support, cross-platform , base name for shared module is "ha_innodb" + MYSQL_ADD_PLUGIN(innobase ${INNOBASE_SOURCES} STORAGE_ENGINE + MODULE_OUTPUT_NAME ha_innodb + LINK_LIBRARIES ${ZLIB_LIBRARY}) +ENDIF() From 05ecd77d514c77e132b85a604c30a3546de8282e Mon Sep 17 00:00:00 2001 From: calvin <> Date: Fri, 12 Mar 2010 21:49:09 +0000 Subject: [PATCH 164/400] branches/innodb+: change the version number to 1.1.0. --- include/univ.i | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/univ.i b/include/univ.i index 7e21794a919..e8596aa9483 100644 --- a/include/univ.i +++ b/include/univ.i @@ -45,7 +45,7 @@ Created 1/20/1994 Heikki Tuuri #endif /* UNIV_HOTBACKUP */ #define INNODB_VERSION_MAJOR 1 -#define INNODB_VERSION_MINOR 0 +#define INNODB_VERSION_MINOR 1 #define INNODB_VERSION_BUGFIX 0 /* The following is the InnoDB version as shown in From a0385e8a9862891a83adb3619347e7a84330cf49 Mon Sep 17 00:00:00 2001 From: calvin <> Date: Fri, 12 Mar 2010 22:06:55 +0000 Subject: [PATCH 165/400] branches/innodb+: Merge revisions 6238:6293 from branches/plugin-1.1 which was cloned from branches/zip revision 6237 as branches/plugin-2.0, in order to work with MySQL 5.5. Skip revision 6240: update the version number to 2.0.0 ------------------------------------------------------------------------ r6290 | calvin | 2009-12-10 02:26:45 -0600 (Thu, 10 Dec 2009) | 26 lines branches/plugin-2.0: merge of r2877 from MySQL This is r2877 in mysql-next-mr tree, backported from 6.0. ------------------------------------------------------------- Bug#24509 - 2048 file descriptor limit on windows needs increasing, also WL#3049 - improved Windows I/O The patch replaces the use of the POSIX I/O interfaces in mysys on Windows with the Win32 API calls (CreateFile, WriteFile, etc). The Windows HANDLE for the open file is stored in the my_file_info struct, along with a flag for append mode because the Windows API does not support opening files in append mode in all cases) The default max open files has been increased to 16384 and can be increased further by setting --max-open-files= during the server start. Another major change in this patch that almost all Windows specific file IO code has been moved to a new file my_winfile.c, greatly reducing the amount of code in #ifdef blocks within mysys, thus improving readability. Minor enhancements: - my_(f)stat() is changed to use __stati64 structure with 64 file size and timestamps. It will return correct file size now (C runtime implementation used to report outdated information) - my_lock on Windows is prepared to handle additional timeout parameter - after review : changed __WIN__ to _WIN32 in the new and changed code. ------------------------------------------------------------------------ r6291 | calvin | 2009-12-10 02:31:27 -0600 (Thu, 10 Dec 2009) | 14 lines branches/plugin-2.0: merge of r2887.3.31 from MySQL This is r2887.3.31 in mysql-next-mr tree, backported from 6.0. Backport of: ---------------------------------------------------------- revno: 2630.22.8 committer: Konstantin Osipov branch nick: mysql-6.0-runtime timestamp: Sun 2008-08-10 18:49:52 +0400 message: Get rid of typedef struct for the most commonly used types: TABLE, TABLE_SHARE, LEX. This simplifies use of tags and forward declarations. ------------------------------------------------------------------------ r6292 | calvin | 2009-12-10 02:40:55 -0600 (Thu, 10 Dec 2009) | 41 lines branches/plugin-2.0: merge of r2936 from MySQL This is r2936 in mysql-next-mr tree, backported from 6.0. Backport of: ------------------------------------------------------------- revno: 2877 committer: Davi Arnaut branch nick: 35164-6.0 timestamp: Wed 2008-10-15 19:53:18 -0300 message: Bug#35164: Large number of invalid pthread_attr_setschedparam calls Bug#37536: Thread scheduling causes performance degradation at low thread count Bug#12702: Long queries take 100% of CPU and freeze other applications under Windows The problem is that although having threads with different priorities yields marginal improvements [1] in some platforms [2], relying on some statically defined priorities (QUERY_PRIOR and WAIT_PRIOR) to play well (or to work at all) with different scheduling practices and disciplines is, at best, a shot in the dark as the meaning of priority values may change depending on the scheduling policy set for the process. Another problem is that increasing priorities can hurt other concurrent (running on the same hardware) applications (such as AMP) by causing starvation problems as MySQL threads will successively preempt lower priority processes. This can be evidenced by Bug#12702. The solution is to not change the threads priorities and rely on the system scheduler to perform its job. This also enables a system admin to increase or decrease the scheduling priority of the MySQL process, if intended. Furthermore, the internal wrappers and code for changing the priority of threads is being removed as they are now unused and ancient. 1. Due to unintentional side effects. On Solaris this could artificially help benchmarks as calling the priority changing syscall millions of times is more beneficial than the actual setting of the priority. 2. Where it actually works. It has never worked on Linux as the default scheduling policy SCHED_OTHER only accepts the static priority 0. ------------------------------------------------------------------------ r6293 | calvin | 2009-12-10 02:45:27 -0600 (Thu, 10 Dec 2009) | 13 lines branches/plugin-2.0: merge of r2938 from MySQL This is r2938 in mysql-next-mr tree, backported from 6.0. Backport of: ---------------------------------------------------------------------- ChangeSet@1.2571, 2008-04-08 12:30:06+02:00, vvaintroub@wva. +122 -0 Bug#32082 : definition of VOID in my_global.h conflicts with Windows SDK headers VOID macro is now removed. Its usage is replaced with void cast. In some cases, where cast does not make much sense (pthread_*, printf, hash_delete, my_seek), cast is ommited. ------------------------------------------------------------------------ --- handler/ha_innodb.cc | 31 +++++++++++++++++++++++-------- include/handler0alter.h | 4 ++-- include/row0merge.h | 2 +- include/row0types.h | 2 +- include/srv0srv.h | 3 --- os/os0thread.c | 14 -------------- row/row0merge.c | 12 ++++++------ srv/srv0srv.c | 3 --- 8 files changed, 33 insertions(+), 38 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 24821a76f2f..0dc21ddd69c 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -1121,7 +1121,29 @@ innobase_mysql_tmpfile(void) will be passed to fdopen(), it will be closed by invoking fclose(), which in turn will invoke close() instead of my_close(). */ + +#ifdef _WIN32 + /* Note that on Windows, the integer returned by mysql_tmpfile + has no relation to C runtime file descriptor. Here, we need + to call my_get_osfhandle to get the HANDLE and then convert it + to C runtime filedescriptor. */ + { + HANDLE hFile = my_get_osfhandle(fd); + HANDLE hDup; + BOOL bOK = + DuplicateHandle(GetCurrentProcess(), hFile, GetCurrentProcess(), + &hDup, 0, FALSE, DUPLICATE_SAME_ACCESS); + if(bOK) { + fd2 = _open_osfhandle((intptr_t)hDup,0); + } + else { + my_osmaperr(GetLastError()); + fd2 = -1; + } + } +#else fd2 = dup(fd); +#endif if (fd2 < 0) { DBUG_PRINT("error",("Got error %d on dup",fd2)); my_errno=errno; @@ -1999,13 +2021,6 @@ innobase_init( ut_a(default_path); - if (specialflag & SPECIAL_NO_PRIOR) { - srv_set_thread_priorities = FALSE; - } else { - srv_set_thread_priorities = TRUE; - srv_query_thread_priority = QUERY_PRIOR; - } - /* Set InnoDB initialization parameters according to the values read from MySQL .cnf file */ @@ -4815,7 +4830,7 @@ calc_row_difference( upd_t* uvect, /*!< in/out: update vector */ uchar* old_row, /*!< in: old row in MySQL format */ uchar* new_row, /*!< in: new row in MySQL format */ - struct st_table* table, /*!< in: table in MySQL data + TABLE* table, /*!< in: table in MySQL data dictionary */ uchar* upd_buff, /*!< in: buffer to use */ ulint buff_len, /*!< in: buffer length */ diff --git a/include/handler0alter.h b/include/handler0alter.h index 985b76f4f50..7f5af6d2e76 100644 --- a/include/handler0alter.h +++ b/include/handler0alter.h @@ -27,7 +27,7 @@ UNIV_INTERN void innobase_rec_to_mysql( /*==================*/ - TABLE* table, /*!< in/out: MySQL table */ + struct TABLE* table, /*!< in/out: MySQL table */ const rec_t* rec, /*!< in: record */ const dict_index_t* index, /*!< in: index */ const ulint* offsets); /*!< in: rec_get_offsets( @@ -39,4 +39,4 @@ UNIV_INTERN void innobase_rec_reset( /*===============*/ - TABLE* table); /*!< in/out: MySQL table */ + struct TABLE* table); /*!< in/out: MySQL table */ diff --git a/include/row0merge.h b/include/row0merge.h index 62a5efd11f7..fbeb125ce7b 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -191,7 +191,7 @@ row_merge_build_indexes( unless creating a PRIMARY KEY */ dict_index_t** indexes, /*!< in: indexes to be created */ ulint n_indexes, /*!< in: size of indexes[] */ - TABLE* table); /*!< in/out: MySQL table, for + struct TABLE* table); /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ #endif /* row0merge.h */ diff --git a/include/row0types.h b/include/row0types.h index 7920fd75061..1be729206ba 100644 --- a/include/row0types.h +++ b/include/row0types.h @@ -54,6 +54,6 @@ typedef struct purge_node_struct purge_node_t; typedef struct row_ext_struct row_ext_t; /* MySQL data types */ -typedef struct st_table TABLE; +struct TABLE; #endif diff --git a/include/srv0srv.h b/include/srv0srv.h index 24f27668a08..c1778ccaf1b 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -194,9 +194,6 @@ extern unsigned long long srv_stats_sample_pages; extern ibool srv_use_doublewrite_buf; extern ibool srv_use_checksums; -extern ibool srv_set_thread_priorities; -extern int srv_query_thread_priority; - extern ulong srv_max_buf_pool_modified_pct; extern ulong srv_max_purge_lag; diff --git a/os/os0thread.c b/os/os0thread.c index 34818ada804..ac733373646 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -133,15 +133,6 @@ os_thread_create( 0, /* thread runs immediately */ &win_thread_id); - if (srv_set_thread_priorities) { - - /* Set created thread priority the same as a normal query - in MYSQL: we try to prevent starvation of threads by - assigning same priority QUERY_PRIOR to all */ - - ut_a(SetThreadPriority(thread, srv_query_thread_priority)); - } - if (thread_id) { *thread_id = win_thread_id; } @@ -200,11 +191,6 @@ os_thread_create( #ifndef UNIV_HPUX10 pthread_attr_destroy(&attr); #endif - if (srv_set_thread_priorities) { - - my_pthread_setprio(pthread, srv_query_thread_priority); - } - if (thread_id) { *thread_id = pthread; } diff --git a/row/row0merge.c b/row/row0merge.c index e8b866c630a..fdfe689ec90 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -413,7 +413,7 @@ row_merge_buf_add( /** Structure for reporting duplicate records. */ struct row_merge_dup_struct { const dict_index_t* index; /*!< index being sorted */ - TABLE* table; /*!< MySQL table object */ + struct TABLE* table; /*!< MySQL table object */ ulint n_dup; /*!< number of duplicates */ }; @@ -1119,7 +1119,7 @@ ulint row_merge_read_clustered_index( /*===========================*/ trx_t* trx, /*!< in: transaction */ - TABLE* table, /*!< in/out: MySQL table object, + struct TABLE* table, /*!< in/out: MySQL table object, for reporting erroneous records */ const dict_table_t* old_table,/*!< in: table where rows are read from */ @@ -1407,7 +1407,7 @@ row_merge_blocks( ulint* foffs1, /*!< in/out: offset of second source list in the file */ merge_file_t* of, /*!< in/out: output file */ - TABLE* table) /*!< in/out: MySQL table, for + struct TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -1590,7 +1590,7 @@ row_merge( ulint* half, /*!< in/out: half the file */ row_merge_block_t* block, /*!< in/out: 3 buffers */ int* tmpfd, /*!< in/out: temporary file handle */ - TABLE* table) /*!< in/out: MySQL table, for + struct TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -1706,7 +1706,7 @@ row_merge_sort( index entries */ row_merge_block_t* block, /*!< in/out: 3 buffers */ int* tmpfd, /*!< in/out: temporary file handle */ - TABLE* table) /*!< in/out: MySQL table, for + struct TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { @@ -2517,7 +2517,7 @@ row_merge_build_indexes( unless creating a PRIMARY KEY */ dict_index_t** indexes, /*!< in: indexes to be created */ ulint n_indexes, /*!< in: size of indexes[] */ - TABLE* table) /*!< in/out: MySQL table, for + struct TABLE* table) /*!< in/out: MySQL table, for reporting erroneous key value if applicable */ { diff --git a/srv/srv0srv.c b/srv/srv0srv.c index ac0a17e4246..8b0f3788884 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -368,9 +368,6 @@ UNIV_INTERN unsigned long long srv_stats_sample_pages = 8; UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; UNIV_INTERN ibool srv_use_checksums = TRUE; -UNIV_INTERN ibool srv_set_thread_priorities = TRUE; -UNIV_INTERN int srv_query_thread_priority = 0; - UNIV_INTERN ulong srv_replication_delay = 0; /*-------------------------------------------*/ From bb9a932ff8508547a2068bfd971f4bbd14886864 Mon Sep 17 00:00:00 2001 From: inaam <> Date: Sat, 13 Mar 2010 03:53:16 +0000 Subject: [PATCH 166/400] branches/innodb+ Fix compiler warning --- buf/buf0buf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index ca8780dca92..a4d091cdc34 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1607,6 +1607,9 @@ buf_pool_watch_set( should be modified to return a special non-NULL value and the caller should purge the record directly. */ ut_error; + + /* Fix compiler warning */ + return(NULL); } /****************************************************************//** From 01568064e80e03bfaa5c88bedf16fdbec9dffb9e Mon Sep 17 00:00:00 2001 From: vasil <> Date: Sat, 13 Mar 2010 10:31:17 +0000 Subject: [PATCH 167/400] branches/innodb+: Say "InnoDB" instead of "InnoDB+" at startup, this is going to be the builtin InnoDB in MySQL 5.5. --- srv/srv0start.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/srv/srv0start.c b/srv/srv0start.c index 0cef1fe1303..30f4baa6598 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1790,7 +1790,7 @@ innobase_start_or_create_for_mysql(void) if (srv_print_verbose_log) { ut_print_timestamp(stderr); fprintf(stderr, - " InnoDB+ %s started; " + " InnoDB %s started; " "log sequence number %llu\n", INNODB_VERSION_STR, srv_start_lsn); } From 08993371d58f6378b6f6c75bab01a9b0592a9902 Mon Sep 17 00:00:00 2001 From: marko <> Date: Wed, 17 Mar 2010 07:11:11 +0000 Subject: [PATCH 168/400] branches/innodb+: btr_cur_search_to_nth_level(): Treat BTR_DELETE in the same way as BTR_INSERT and BTR_DELETE_MARK: only perform (buffer) the operation when the page is not in the buffer pool. BTR_INSERT, BTR_DELETE_MARK, BTR_DELETE: Make the documentation say that these flags are ignored when the page is in the buffer pool. enum row_search_result: Remove ROW_NOT_DELETED, which BTR_CUR_DELETE_FAILED was mapped to. enum btr_cur_method: Remove BTR_CUR_DELETE_FAILED. The btr_cur_search_to_nth_level() will no longer attempt to execute the BTR_DELETE when the page is in the buffer pool. row_search_index_entry(): Remove the mapping from BTR_CUR_DELETE_FAILED to ROW_NOT_DELETED. The caller will have to attempt purge when the record is in the buffer pool. row_purge_remove_sec_if_poss_leaf(): Attempt to purge the record if it was found in the buffer pool. This addresses Issue #466. rb://268 --- btr/btr0cur.c | 32 ++------------------------------ include/btr0btr.h | 9 +++++---- include/btr0cur.h | 7 +++---- include/row0row.h | 2 -- row/row0purge.c | 41 ++++++++++++++++++++++++++++------------- row/row0row.c | 4 ---- row/row0uins.c | 1 - row/row0umod.c | 2 -- row/row0upd.c | 1 - 9 files changed, 38 insertions(+), 61 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 4259b800753..2a39074d4df 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -338,7 +338,8 @@ btr_cur_search_to_nth_level( Inserts should always be made using PAGE_CUR_LE to search the position! */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with - BTR_INSERT and BTR_ESTIMATE; + at most one of BTR_INSERT, BTR_DELETE_MARK, + BTR_DELETE, or BTR_ESTIMATE; cursor->left_block is used to store a pointer to the left neighbor page, in the cases BTR_SEARCH_PREV and BTR_MODIFY_PREV; @@ -773,35 +774,6 @@ retry_page_get: || mode != PAGE_CUR_LE); ut_ad(cursor->low_match != ULINT_UNDEFINED || mode != PAGE_CUR_LE); - - /* If this was a delete operation, the leaf page was - in the buffer pool, and a matching record was found in - the leaf page, attempt to delete it. If the deletion - fails, set the cursor flag accordingly. */ - if (UNIV_UNLIKELY(btr_op == BTR_DELETE_OP) - && low_match == dtuple_get_n_fields(tuple) - && !page_cur_is_before_first(page_cursor)) { - - /* Before attempting to purge a record, check - if it is safe to do so. */ - if (!row_purge_poss_sec(cursor->purge_node, - index, tuple)) { - - cursor->flag = BTR_CUR_DELETE_REF; - } else { - /* Only delete-marked records should - be purged. */ - ut_ad(REC_INFO_DELETED_FLAG - & rec_get_info_bits( - btr_cur_get_rec(cursor), - page_is_comp(page))); - - if (!btr_cur_optimistic_delete(cursor, mtr)) { - - cursor->flag = BTR_CUR_DELETE_FAILED; - } - } - } } func_exit: diff --git a/include/btr0btr.h b/include/btr0btr.h index 8764ac2e6de..cc4063cc32c 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -71,7 +71,8 @@ enum btr_latch_mode { /* BTR_INSERT, BTR_DELETE and BTR_DELETE_MARK are mutually exclusive. */ /** If this is ORed to btr_latch_mode, it means that the search tuple -will be inserted to the index, at the searched position */ +will be inserted to the index, at the searched position. +When the record is not in the buffer pool, try to use the insert buffer. */ #define BTR_INSERT 512 /** This flag ORed to btr_latch_mode says that we do the search in query @@ -84,11 +85,11 @@ the insert buffer to speed up inserts */ #define BTR_IGNORE_SEC_UNIQUE 2048 /** Try to delete mark the record at the searched position using the -insert/delete buffer. */ +insert/delete buffer when the record is not in the buffer pool. */ #define BTR_DELETE_MARK 4096 -/** Try to delete the record at the searched position using the insert/delete -buffer. */ +/** Try to purge the record at the searched position using the insert/delete +buffer when the record is not in the buffer pool. */ #define BTR_DELETE 8192 /**************************************************************//** diff --git a/include/btr0cur.h b/include/btr0cur.h index bd9f1f3c37f..136d2d068a1 100644 --- a/include/btr0cur.h +++ b/include/btr0cur.h @@ -138,7 +138,8 @@ btr_cur_search_to_nth_level( should always be made using PAGE_CUR_LE to search the position! */ ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with - BTR_INSERT and BTR_ESTIMATE; + at most one of BTR_INSERT, BTR_DELETE_MARK, + BTR_DELETE, or BTR_ESTIMATE; cursor->left_block is used to store a pointer to the left neighbor page, in the cases BTR_SEARCH_PREV and BTR_MODIFY_PREV; @@ -634,9 +635,7 @@ enum btr_cur_method { mark in the insert/delete buffer */ BTR_CUR_DELETE_IBUF, /*!< performed the intended delete in the insert/delete buffer */ - BTR_CUR_DELETE_REF, /*!< row_purge_poss_sec() failed */ - BTR_CUR_DELETE_FAILED /*!< an optimistic delete could not be - performed */ + BTR_CUR_DELETE_REF /*!< row_purge_poss_sec() failed */ }; /** The tree cursor: the definition appears here only for the compiler diff --git a/include/row0row.h b/include/row0row.h index 185dc0906a3..b40aa619f9f 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -269,8 +269,6 @@ enum row_search_result { enqueued in the insert/delete buffer */ ROW_NOT_DELETED_REF, /*!< BTR_DELETE was specified, and row_purge_poss_sec() failed */ - ROW_NOT_DELETED, /*!< BTR_DELETE was specified, and the - optimistic delete failed */ }; /***************************************************************//** diff --git a/row/row0purge.c b/row/row0purge.c index e8d8bdf81ce..92915fd42a4 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -297,7 +297,6 @@ row_purge_remove_sec_if_poss_tree( break; case ROW_BUFFERED: case ROW_NOT_DELETED_REF: - case ROW_NOT_DELETED: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ @@ -366,24 +365,40 @@ row_purge_remove_sec_if_poss_leaf( search_result = row_search_index_entry( index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); - btr_pcur_close(&pcur); - mtr_commit(&mtr); - switch (search_result) { - case ROW_NOT_DELETED: - /* The index entry could not be deleted. */ - return(FALSE); + ibool success; + case ROW_FOUND: + /* Before attempting to purge a record, check + if it is safe to do so. */ + if (row_purge_poss_sec(node, index, entry)) { + btr_cur_t* btr_cur = btr_pcur_get_btr_cur(&pcur); + /* Only delete-marked records should be purged. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits( + btr_cur_get_rec(btr_cur), + dict_table_is_comp(index->table))); + + if (!btr_cur_optimistic_delete(btr_cur, &mtr)) { + + /* The index entry could not be deleted. */ + success = FALSE; + goto func_exit; + } + } + /* fall through (the index entry is still needed, + or the deletion succeeded) */ case ROW_NOT_DELETED_REF: /* The index entry is still needed. */ - case ROW_NOT_FOUND: - /* The index entry does not exist, nothing to do. */ - case ROW_FOUND: - /* The index entry existed in the buffer pool - and was deleted because of the BTR_DELETE. */ case ROW_BUFFERED: /* The deletion was buffered. */ - return(TRUE); + case ROW_NOT_FOUND: + /* The index entry does not exist, nothing to do. */ + success = TRUE; + func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + return(success); } ut_error; diff --git a/row/row0row.c b/row/row0row.c index 26a84f1332f..caac11ebc61 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -755,10 +755,6 @@ row_search_index_entry( ut_a(mode & BTR_DELETE); return(ROW_NOT_DELETED_REF); - case BTR_CUR_DELETE_FAILED: - ut_a(mode & BTR_DELETE); - return(ROW_NOT_DELETED); - case BTR_CUR_DEL_MARK_IBUF: case BTR_CUR_DELETE_IBUF: case BTR_CUR_INSERT_TO_IBUF: diff --git a/row/row0uins.c b/row/row0uins.c index 14432f88793..601cb23c372 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -168,7 +168,6 @@ row_undo_ins_remove_sec_low( case ROW_FOUND: break; case ROW_BUFFERED: - case ROW_NOT_DELETED: case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the diff --git a/row/row0umod.c b/row/row0umod.c index 83f02bba721..80f57870316 100644 --- a/row/row0umod.c +++ b/row/row0umod.c @@ -350,7 +350,6 @@ row_undo_mod_del_mark_or_remove_sec_low( case ROW_FOUND: break; case ROW_BUFFERED: - case ROW_NOT_DELETED: case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the @@ -487,7 +486,6 @@ row_undo_mod_del_unmark_sec_and_undo_update( switch (search_result) { case ROW_BUFFERED: - case ROW_NOT_DELETED: case ROW_NOT_DELETED_REF: /* These are invalid outcomes, because the mode passed to row_search_index_entry() did not include any of the diff --git a/row/row0upd.c b/row/row0upd.c index 99a83b78bd3..26a5a91c0e2 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1476,7 +1476,6 @@ row_upd_sec_index_entry( rec = btr_cur_get_rec(btr_cur); switch (search_result) { - case ROW_NOT_DELETED: /* should only occur for BTR_DELETE */ case ROW_NOT_DELETED_REF: /* should only occur for BTR_DELETE */ ut_error; break; From 01ac1273ba48cab78b93dc7fe6c663c45ca8f84c Mon Sep 17 00:00:00 2001 From: jyang <> Date: Thu, 18 Mar 2010 07:56:27 +0000 Subject: [PATCH 169/400] Implement Performance Schema in InnoDB. --- perfschema/CMakeLists.txt | 267 + perfschema/COPYING | 351 + perfschema/COPYING.Google | 30 + perfschema/COPYING.Percona | 30 + perfschema/COPYING.Sun_Microsystems | 31 + perfschema/ChangeLog | 1643 +++ perfschema/Doxyfile | 1419 ++ perfschema/Makefile.am | 343 + perfschema/btr/btr0btr.c | 3730 ++++++ perfschema/btr/btr0cur.c | 4969 +++++++ perfschema/btr/btr0pcur.c | 591 + perfschema/btr/btr0sea.c | 1889 +++ perfschema/buf/buf0buddy.c | 696 + perfschema/buf/buf0buf.c | 4346 ++++++ perfschema/buf/buf0flu.c | 1824 +++ perfschema/buf/buf0lru.c | 2135 +++ perfschema/buf/buf0rea.c | 656 + perfschema/compile-innodb | 24 + perfschema/compile-innodb-debug | 24 + perfschema/data/data0data.c | 764 ++ perfschema/data/data0type.c | 297 + perfschema/dict/dict0boot.c | 468 + perfschema/dict/dict0crea.c | 1512 +++ perfschema/dict/dict0dict.c | 4854 +++++++ perfschema/dict/dict0load.c | 1499 +++ perfschema/dict/dict0mem.c | 319 + perfschema/dyn/dyn0dyn.c | 65 + perfschema/eval/eval0eval.c | 852 ++ perfschema/eval/eval0proc.c | 295 + perfschema/fil/fil0fil.c | 4824 +++++++ perfschema/fsp/fsp0fsp.c | 4308 ++++++ perfschema/fut/fut0fut.c | 31 + perfschema/fut/fut0lst.c | 530 + perfschema/ha/ha0ha.c | 441 + perfschema/ha/ha0storage.c | 184 + perfschema/ha/hash0hash.c | 174 + perfschema/ha_innodb.def | 4 + perfschema/handler/ha_innodb.cc | 10983 ++++++++++++++++ perfschema/handler/ha_innodb.h | 326 + perfschema/handler/handler0alter.cc | 1234 ++ perfschema/handler/i_s.cc | 1578 +++ perfschema/handler/i_s.h | 37 + perfschema/handler/mysql_addons.cc | 42 + perfschema/ibuf/ibuf0ibuf.c | 4690 +++++++ perfschema/include/btr0btr.h | 528 + perfschema/include/btr0btr.ic | 314 + perfschema/include/btr0cur.h | 787 ++ perfschema/include/btr0cur.ic | 200 + perfschema/include/btr0pcur.h | 551 + perfschema/include/btr0pcur.ic | 642 + perfschema/include/btr0sea.h | 310 + perfschema/include/btr0sea.ic | 84 + perfschema/include/btr0types.h | 51 + perfschema/include/buf0buddy.h | 90 + perfschema/include/buf0buddy.ic | 127 + perfschema/include/buf0buf.h | 1633 +++ perfschema/include/buf0buf.ic | 1090 ++ perfschema/include/buf0flu.h | 217 + perfschema/include/buf0flu.ic | 126 + perfschema/include/buf0lru.h | 295 + perfschema/include/buf0lru.ic | 25 + perfschema/include/buf0rea.h | 137 + perfschema/include/buf0types.h | 82 + perfschema/include/data0data.h | 483 + perfschema/include/data0data.ic | 612 + perfschema/include/data0type.h | 486 + perfschema/include/data0type.ic | 599 + perfschema/include/data0types.h | 36 + perfschema/include/db0err.h | 106 + perfschema/include/dict0boot.h | 151 + perfschema/include/dict0boot.ic | 93 + perfschema/include/dict0crea.h | 197 + perfschema/include/dict0crea.ic | 25 + perfschema/include/dict0dict.h | 1165 ++ perfschema/include/dict0dict.ic | 806 ++ perfschema/include/dict0load.h | 115 + perfschema/include/dict0load.ic | 26 + perfschema/include/dict0mem.h | 555 + perfschema/include/dict0mem.ic | 26 + perfschema/include/dict0types.h | 48 + perfschema/include/dyn0dyn.h | 188 + perfschema/include/dyn0dyn.ic | 365 + perfschema/include/eval0eval.h | 114 + perfschema/include/eval0eval.ic | 251 + perfschema/include/eval0proc.h | 104 + perfschema/include/eval0proc.ic | 88 + perfschema/include/fil0fil.h | 724 + perfschema/include/fsp0fsp.h | 359 + perfschema/include/fsp0fsp.ic | 45 + perfschema/include/fsp0types.h | 110 + perfschema/include/fut0fut.h | 55 + perfschema/include/fut0fut.ic | 56 + perfschema/include/fut0lst.h | 217 + perfschema/include/fut0lst.ic | 167 + perfschema/include/ha0ha.h | 241 + perfschema/include/ha0ha.ic | 220 + perfschema/include/ha0storage.h | 140 + perfschema/include/ha0storage.ic | 148 + perfschema/include/ha_prototypes.h | 261 + perfschema/include/handler0alter.h | 42 + perfschema/include/hash0hash.h | 446 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perfschema/include/row0umod.ic | 24 + perfschema/include/row0undo.h | 142 + perfschema/include/row0undo.ic | 24 + perfschema/include/row0upd.h | 483 + perfschema/include/row0upd.ic | 184 + perfschema/include/row0vers.h | 142 + perfschema/include/row0vers.ic | 30 + perfschema/include/srv0que.h | 42 + perfschema/include/srv0srv.h | 657 + perfschema/include/srv0srv.ic | 24 + perfschema/include/srv0start.h | 134 + perfschema/include/sync0arr.h | 142 + perfschema/include/sync0arr.ic | 27 + perfschema/include/sync0rw.h | 585 + perfschema/include/sync0rw.ic | 624 + perfschema/include/sync0sync.h | 590 + perfschema/include/sync0sync.ic | 222 + perfschema/include/sync0types.h | 34 + perfschema/include/thr0loc.h | 90 + perfschema/include/thr0loc.ic | 24 + perfschema/include/trx0i_s.h | 247 + perfschema/include/trx0purge.h | 189 + perfschema/include/trx0purge.ic | 43 + perfschema/include/trx0rec.h | 338 + perfschema/include/trx0rec.ic | 112 + perfschema/include/trx0roll.h | 352 + perfschema/include/trx0roll.ic | 40 + perfschema/include/trx0rseg.h | 209 + perfschema/include/trx0rseg.ic | 145 + perfschema/include/trx0sys.h | 626 + perfschema/include/trx0sys.ic | 387 + perfschema/include/trx0trx.h | 817 ++ perfschema/include/trx0trx.ic | 164 + perfschema/include/trx0types.h | 115 + perfschema/include/trx0undo.h | 551 + perfschema/include/trx0undo.ic | 351 + perfschema/include/trx0xa.h | 70 + perfschema/include/univ.i | 484 + perfschema/include/usr0sess.h | 76 + perfschema/include/usr0sess.ic | 24 + perfschema/include/usr0types.h | 31 + perfschema/include/ut0auxconf.h | 14 + perfschema/include/ut0byte.h | 270 + perfschema/include/ut0byte.ic | 411 + perfschema/include/ut0dbg.h | 175 + perfschema/include/ut0list.h | 172 + perfschema/include/ut0list.ic | 48 + perfschema/include/ut0lst.h | 261 + perfschema/include/ut0mem.h | 306 + perfschema/include/ut0mem.ic | 338 + perfschema/include/ut0rbt.h | 293 + perfschema/include/ut0rnd.h | 143 + perfschema/include/ut0rnd.ic | 230 + perfschema/include/ut0sort.h | 106 + perfschema/include/ut0ut.h | 403 + perfschema/include/ut0ut.ic | 162 + perfschema/include/ut0vec.h | 125 + perfschema/include/ut0vec.ic | 96 + perfschema/include/ut0wqueue.h | 85 + perfschema/lock/lock0iter.c | 114 + perfschema/lock/lock0lock.c | 5713 ++++++++ perfschema/log/log0log.c | 3450 +++++ perfschema/log/log0recv.c | 3804 ++++++ perfschema/mach/mach0data.c | 134 + perfschema/mem/mem0dbg.c | 1041 ++ perfschema/mem/mem0mem.c | 573 + perfschema/mem/mem0pool.c | 717 + perfschema/mtr/mtr0log.c | 612 + perfschema/mtr/mtr0mtr.c | 412 + perfschema/mysql-test/ctype_innodb_like.inc | 21 + perfschema/mysql-test/have_innodb.inc | 4 + perfschema/mysql-test/innodb-analyze.result | 2 + perfschema/mysql-test/innodb-analyze.test | 65 + .../mysql-test/innodb-autoinc-44030.result | 30 + .../mysql-test/innodb-autoinc-44030.test | 34 + perfschema/mysql-test/innodb-autoinc.result | 1246 ++ perfschema/mysql-test/innodb-autoinc.test | 664 + .../mysql-test/innodb-consistent-master.opt | 1 + .../mysql-test/innodb-consistent.result | 35 + perfschema/mysql-test/innodb-consistent.test | 58 + perfschema/mysql-test/innodb-index.inc | 26 + perfschema/mysql-test/innodb-index.result | 1165 ++ perfschema/mysql-test/innodb-index.test | 540 + .../mysql-test/innodb-index_ucs2.result | 116 + perfschema/mysql-test/innodb-index_ucs2.test | 5 + perfschema/mysql-test/innodb-lock.result | 57 + perfschema/mysql-test/innodb-lock.test | 102 + perfschema/mysql-test/innodb-master.opt | 1 + perfschema/mysql-test/innodb-replace.result | 13 + perfschema/mysql-test/innodb-replace.test | 22 + .../innodb-semi-consistent-master.opt | 1 + .../mysql-test/innodb-semi-consistent.result | 47 + .../mysql-test/innodb-semi-consistent.test | 68 + perfschema/mysql-test/innodb-timeout.result | 38 + perfschema/mysql-test/innodb-timeout.test | 64 + .../innodb-use-sys-malloc-master.opt | 1 + .../mysql-test/innodb-use-sys-malloc.result | 48 + .../mysql-test/innodb-use-sys-malloc.test | 48 + perfschema/mysql-test/innodb-zip.result | 421 + perfschema/mysql-test/innodb-zip.test | 343 + perfschema/mysql-test/innodb.result | 3318 +++++ perfschema/mysql-test/innodb.test | 2582 ++++ perfschema/mysql-test/innodb_bug21704.result | 55 + perfschema/mysql-test/innodb_bug21704.test | 96 + perfschema/mysql-test/innodb_bug34053.result | 1 + perfschema/mysql-test/innodb_bug34053.test | 50 + perfschema/mysql-test/innodb_bug34300.result | 4 + perfschema/mysql-test/innodb_bug34300.test | 34 + perfschema/mysql-test/innodb_bug35220.result | 1 + perfschema/mysql-test/innodb_bug35220.test | 16 + perfschema/mysql-test/innodb_bug36169.result | 2 + perfschema/mysql-test/innodb_bug36169.test | 1159 ++ perfschema/mysql-test/innodb_bug36172.result | 1 + perfschema/mysql-test/innodb_bug36172.test | 32 + perfschema/mysql-test/innodb_bug38231.result | 11 + perfschema/mysql-test/innodb_bug38231.test | 97 + .../mysql-test/innodb_bug39438-master.opt | 1 + perfschema/mysql-test/innodb_bug39438.result | 1 + perfschema/mysql-test/innodb_bug39438.test | 51 + perfschema/mysql-test/innodb_bug40360.result | 4 + perfschema/mysql-test/innodb_bug40360.test | 16 + perfschema/mysql-test/innodb_bug40565.result | 9 + perfschema/mysql-test/innodb_bug40565.test | 10 + perfschema/mysql-test/innodb_bug41904.result | 4 + perfschema/mysql-test/innodb_bug41904.test | 14 + .../innodb_bug42101-nonzero-master.opt | 1 + .../mysql-test/innodb_bug42101-nonzero.result | 26 + .../mysql-test/innodb_bug42101-nonzero.test | 21 + perfschema/mysql-test/innodb_bug42101.result | 22 + perfschema/mysql-test/innodb_bug42101.test | 19 + perfschema/mysql-test/innodb_bug44032.result | 7 + perfschema/mysql-test/innodb_bug44032.test | 13 + perfschema/mysql-test/innodb_bug44369.result | 6 + perfschema/mysql-test/innodb_bug44369.test | 17 + perfschema/mysql-test/innodb_bug44571.result | 8 + perfschema/mysql-test/innodb_bug44571.test | 22 + perfschema/mysql-test/innodb_bug45357.result | 7 + perfschema/mysql-test/innodb_bug45357.test | 10 + perfschema/mysql-test/innodb_bug46000.result | 19 + perfschema/mysql-test/innodb_bug46000.test | 32 + perfschema/mysql-test/innodb_bug47621.result | 21 + perfschema/mysql-test/innodb_bug47621.test | 57 + perfschema/mysql-test/innodb_bug47622.result | 23 + perfschema/mysql-test/innodb_bug47622.test | 55 + perfschema/mysql-test/innodb_bug47777.result | 13 + perfschema/mysql-test/innodb_bug47777.test | 24 + perfschema/mysql-test/innodb_bug51378.result | 66 + perfschema/mysql-test/innodb_bug51378.test | 77 + .../mysql-test/innodb_file_format.result | 43 + perfschema/mysql-test/innodb_file_format.test | 29 + .../innodb_information_schema.result | 23 + .../mysql-test/innodb_information_schema.test | 149 + perfschema/mysql-test/innodb_trx_weight.inc | 51 + .../mysql-test/innodb_trx_weight.result | 1 + perfschema/mysql-test/innodb_trx_weight.test | 108 + perfschema/mysql-test/patches/README | 30 + .../patches/index_merge_innodb-explain.diff | 31 + .../patches/information_schema.diff | 124 + .../patches/innodb_file_per_table.diff | 47 + .../patches/innodb_lock_wait_timeout.diff | 55 + .../innodb_thread_concurrency_basic.diff | 31 + .../mysql-test/patches/partition_innodb.diff | 59 + perfschema/os/os0file.c | 5144 ++++++++ perfschema/os/os0proc.c | 231 + perfschema/os/os0sync.c | 725 + perfschema/os/os0thread.c | 361 + perfschema/page/page0cur.c | 1987 +++ perfschema/page/page0page.c | 2614 ++++ perfschema/page/page0zip.c | 4667 +++++++ perfschema/pars/lexyy.c | 2793 ++++ perfschema/pars/make_bison.sh | 32 + perfschema/pars/make_flex.sh | 48 + perfschema/pars/pars0grm.c | 2601 ++++ perfschema/pars/pars0grm.y | 635 + perfschema/pars/pars0lex.l | 676 + perfschema/pars/pars0opt.c | 1216 ++ perfschema/pars/pars0pars.c | 2196 +++ perfschema/pars/pars0sym.c | 371 + perfschema/plug.in | 233 + perfschema/que/que0que.c | 1436 ++ perfschema/read/read0read.c | 540 + perfschema/rem/rem0cmp.c | 1194 ++ perfschema/rem/rem0rec.c | 1710 +++ perfschema/revert_gen.sh | 8 + perfschema/row/row0ext.c | 115 + perfschema/row/row0ins.c | 2515 ++++ perfschema/row/row0merge.c | 2603 ++++ perfschema/row/row0mysql.c | 4178 ++++++ perfschema/row/row0purge.c | 792 ++ perfschema/row/row0row.c | 1198 ++ perfschema/row/row0sel.c | 4725 +++++++ perfschema/row/row0uins.c | 352 + perfschema/row/row0umod.c | 849 ++ perfschema/row/row0undo.c | 377 + perfschema/row/row0upd.c | 2208 ++++ perfschema/row/row0vers.c | 741 ++ perfschema/scripts/export.sh | 74 + perfschema/scripts/install_innodb_plugins.sql | 9 + .../scripts/install_innodb_plugins_win.sql | 9 + perfschema/setup.sh | 47 + perfschema/srv/srv0que.c | 49 + perfschema/srv/srv0srv.c | 2839 ++++ perfschema/srv/srv0start.c | 2082 +++ perfschema/sync/sync0arr.c | 1022 ++ perfschema/sync/sync0rw.c | 1042 ++ perfschema/sync/sync0sync.c | 1509 +++ perfschema/thr/thr0loc.c | 279 + perfschema/trx/trx0i_s.c | 1476 +++ perfschema/trx/trx0purge.c | 1211 ++ perfschema/trx/trx0rec.c | 1602 +++ perfschema/trx/trx0roll.c | 1366 ++ perfschema/trx/trx0rseg.c | 288 + perfschema/trx/trx0sys.c | 1615 +++ perfschema/trx/trx0trx.c | 2062 +++ perfschema/trx/trx0undo.c | 1993 +++ perfschema/usr/usr0sess.c | 71 + .../ut/ut0auxconf_atomic_pthread_t_gcc.c | 43 + .../ut/ut0auxconf_atomic_pthread_t_solaris.c | 54 + perfschema/ut/ut0auxconf_have_gcc_atomics.c | 61 + .../ut/ut0auxconf_have_solaris_atomics.c | 39 + perfschema/ut/ut0auxconf_pause.c | 32 + perfschema/ut/ut0auxconf_sizeof_pthread_t.c | 35 + perfschema/ut/ut0byte.c | 55 + perfschema/ut/ut0dbg.c | 187 + perfschema/ut/ut0list.c | 194 + perfschema/ut/ut0mem.c | 708 + perfschema/ut/ut0rbt.c | 1231 ++ perfschema/ut/ut0rnd.c | 97 + perfschema/ut/ut0ut.c | 625 + perfschema/ut/ut0vec.c | 79 + perfschema/ut/ut0wqueue.c | 118 + 410 files changed, 224227 insertions(+) create mode 100644 perfschema/CMakeLists.txt create mode 100644 perfschema/COPYING create mode 100644 perfschema/COPYING.Google create mode 100644 perfschema/COPYING.Percona create mode 100644 perfschema/COPYING.Sun_Microsystems create mode 100644 perfschema/ChangeLog create mode 100644 perfschema/Doxyfile create mode 100644 perfschema/Makefile.am create mode 100644 perfschema/btr/btr0btr.c create mode 100644 perfschema/btr/btr0cur.c create mode 100644 perfschema/btr/btr0pcur.c create mode 100644 perfschema/btr/btr0sea.c create mode 100644 perfschema/buf/buf0buddy.c create mode 100644 perfschema/buf/buf0buf.c create mode 100644 perfschema/buf/buf0flu.c create mode 100644 perfschema/buf/buf0lru.c create mode 100644 perfschema/buf/buf0rea.c create mode 100755 perfschema/compile-innodb create mode 100755 perfschema/compile-innodb-debug create mode 100644 perfschema/data/data0data.c create mode 100644 perfschema/data/data0type.c create mode 100644 perfschema/dict/dict0boot.c create mode 100644 perfschema/dict/dict0crea.c create mode 100644 perfschema/dict/dict0dict.c create mode 100644 perfschema/dict/dict0load.c create mode 100644 perfschema/dict/dict0mem.c create mode 100644 perfschema/dyn/dyn0dyn.c create mode 100644 perfschema/eval/eval0eval.c create mode 100644 perfschema/eval/eval0proc.c create mode 100644 perfschema/fil/fil0fil.c create mode 100644 perfschema/fsp/fsp0fsp.c create mode 100644 perfschema/fut/fut0fut.c create mode 100644 perfschema/fut/fut0lst.c create mode 100644 perfschema/ha/ha0ha.c create mode 100644 perfschema/ha/ha0storage.c create mode 100644 perfschema/ha/hash0hash.c create mode 100644 perfschema/ha_innodb.def create mode 100644 perfschema/handler/ha_innodb.cc create mode 100644 perfschema/handler/ha_innodb.h create mode 100644 perfschema/handler/handler0alter.cc create mode 100644 perfschema/handler/i_s.cc create mode 100644 perfschema/handler/i_s.h create mode 100644 perfschema/handler/mysql_addons.cc create mode 100644 perfschema/ibuf/ibuf0ibuf.c create mode 100644 perfschema/include/btr0btr.h create mode 100644 perfschema/include/btr0btr.ic create mode 100644 perfschema/include/btr0cur.h create mode 100644 perfschema/include/btr0cur.ic create mode 100644 perfschema/include/btr0pcur.h create mode 100644 perfschema/include/btr0pcur.ic create mode 100644 perfschema/include/btr0sea.h create mode 100644 perfschema/include/btr0sea.ic create mode 100644 perfschema/include/btr0types.h create mode 100644 perfschema/include/buf0buddy.h create mode 100644 perfschema/include/buf0buddy.ic create mode 100644 perfschema/include/buf0buf.h create mode 100644 perfschema/include/buf0buf.ic create mode 100644 perfschema/include/buf0flu.h create mode 100644 perfschema/include/buf0flu.ic create mode 100644 perfschema/include/buf0lru.h create mode 100644 perfschema/include/buf0lru.ic create mode 100644 perfschema/include/buf0rea.h create mode 100644 perfschema/include/buf0types.h create mode 100644 perfschema/include/data0data.h create mode 100644 perfschema/include/data0data.ic create mode 100644 perfschema/include/data0type.h create mode 100644 perfschema/include/data0type.ic create mode 100644 perfschema/include/data0types.h create mode 100644 perfschema/include/db0err.h create mode 100644 perfschema/include/dict0boot.h create mode 100644 perfschema/include/dict0boot.ic create mode 100644 perfschema/include/dict0crea.h create mode 100644 perfschema/include/dict0crea.ic create mode 100644 perfschema/include/dict0dict.h create mode 100644 perfschema/include/dict0dict.ic create mode 100644 perfschema/include/dict0load.h create mode 100644 perfschema/include/dict0load.ic create mode 100644 perfschema/include/dict0mem.h create mode 100644 perfschema/include/dict0mem.ic create mode 100644 perfschema/include/dict0types.h create mode 100644 perfschema/include/dyn0dyn.h create mode 100644 perfschema/include/dyn0dyn.ic create mode 100644 perfschema/include/eval0eval.h create mode 100644 perfschema/include/eval0eval.ic create mode 100644 perfschema/include/eval0proc.h create mode 100644 perfschema/include/eval0proc.ic create mode 100644 perfschema/include/fil0fil.h create mode 100644 perfschema/include/fsp0fsp.h create mode 100644 perfschema/include/fsp0fsp.ic create mode 100644 perfschema/include/fsp0types.h create mode 100644 perfschema/include/fut0fut.h create mode 100644 perfschema/include/fut0fut.ic create mode 100644 perfschema/include/fut0lst.h create mode 100644 perfschema/include/fut0lst.ic create mode 100644 perfschema/include/ha0ha.h create mode 100644 perfschema/include/ha0ha.ic create mode 100644 perfschema/include/ha0storage.h create mode 100644 perfschema/include/ha0storage.ic create mode 100644 perfschema/include/ha_prototypes.h create mode 100644 perfschema/include/handler0alter.h create mode 100644 perfschema/include/hash0hash.h create mode 100644 perfschema/include/hash0hash.ic create mode 100644 perfschema/include/ibuf0ibuf.h create mode 100644 perfschema/include/ibuf0ibuf.ic create mode 100644 perfschema/include/ibuf0types.h create mode 100644 perfschema/include/lock0iter.h create mode 100644 perfschema/include/lock0lock.h create mode 100644 perfschema/include/lock0lock.ic create mode 100644 perfschema/include/lock0priv.h create mode 100644 perfschema/include/lock0priv.ic create mode 100644 perfschema/include/lock0types.h create mode 100644 perfschema/include/log0log.h create mode 100644 perfschema/include/log0log.ic create mode 100644 perfschema/include/log0recv.h create mode 100644 perfschema/include/log0recv.ic create mode 100644 perfschema/include/mach0data.h create mode 100644 perfschema/include/mach0data.ic create mode 100644 perfschema/include/mem0dbg.h create mode 100644 perfschema/include/mem0dbg.ic create mode 100644 perfschema/include/mem0mem.h create mode 100644 perfschema/include/mem0mem.ic create mode 100644 perfschema/include/mem0pool.h create mode 100644 perfschema/include/mem0pool.ic create mode 100644 perfschema/include/mtr0log.h create mode 100644 perfschema/include/mtr0log.ic create mode 100644 perfschema/include/mtr0mtr.h create mode 100644 perfschema/include/mtr0mtr.ic create mode 100644 perfschema/include/mtr0types.h create mode 100644 perfschema/include/mysql_addons.h create mode 100644 perfschema/include/os0file.h create mode 100644 perfschema/include/os0proc.h create mode 100644 perfschema/include/os0proc.ic create mode 100644 perfschema/include/os0sync.h create mode 100644 perfschema/include/os0sync.ic create mode 100644 perfschema/include/os0thread.h create mode 100644 perfschema/include/os0thread.ic create mode 100644 perfschema/include/page0cur.h create mode 100644 perfschema/include/page0cur.ic create mode 100644 perfschema/include/page0page.h create mode 100644 perfschema/include/page0page.ic create mode 100644 perfschema/include/page0types.h create mode 100644 perfschema/include/page0zip.h create mode 100644 perfschema/include/page0zip.ic create mode 100644 perfschema/include/pars0grm.h create mode 100644 perfschema/include/pars0opt.h create mode 100644 perfschema/include/pars0opt.ic create mode 100644 perfschema/include/pars0pars.h create mode 100644 perfschema/include/pars0pars.ic create mode 100644 perfschema/include/pars0sym.h create mode 100644 perfschema/include/pars0sym.ic create mode 100644 perfschema/include/pars0types.h create mode 100644 perfschema/include/que0que.h create mode 100644 perfschema/include/que0que.ic create mode 100644 perfschema/include/que0types.h create mode 100644 perfschema/include/read0read.h create mode 100644 perfschema/include/read0read.ic create mode 100644 perfschema/include/read0types.h create mode 100644 perfschema/include/rem0cmp.h create mode 100644 perfschema/include/rem0cmp.ic create mode 100644 perfschema/include/rem0rec.h create mode 100644 perfschema/include/rem0rec.ic create mode 100644 perfschema/include/rem0types.h create mode 100644 perfschema/include/row0ext.h create mode 100644 perfschema/include/row0ext.ic create mode 100644 perfschema/include/row0ins.h create mode 100644 perfschema/include/row0ins.ic create mode 100644 perfschema/include/row0merge.h create mode 100644 perfschema/include/row0mysql.h create mode 100644 perfschema/include/row0mysql.ic create mode 100644 perfschema/include/row0purge.h create mode 100644 perfschema/include/row0purge.ic create mode 100644 perfschema/include/row0row.h create mode 100644 perfschema/include/row0row.ic create mode 100644 perfschema/include/row0sel.h create mode 100644 perfschema/include/row0sel.ic create mode 100644 perfschema/include/row0types.h create mode 100644 perfschema/include/row0uins.h create mode 100644 perfschema/include/row0uins.ic create mode 100644 perfschema/include/row0umod.h create mode 100644 perfschema/include/row0umod.ic create mode 100644 perfschema/include/row0undo.h create mode 100644 perfschema/include/row0undo.ic create mode 100644 perfschema/include/row0upd.h create mode 100644 perfschema/include/row0upd.ic create mode 100644 perfschema/include/row0vers.h create mode 100644 perfschema/include/row0vers.ic create mode 100644 perfschema/include/srv0que.h create mode 100644 perfschema/include/srv0srv.h create mode 100644 perfschema/include/srv0srv.ic create mode 100644 perfschema/include/srv0start.h create mode 100644 perfschema/include/sync0arr.h create mode 100644 perfschema/include/sync0arr.ic create mode 100644 perfschema/include/sync0rw.h create mode 100644 perfschema/include/sync0rw.ic create mode 100644 perfschema/include/sync0sync.h create mode 100644 perfschema/include/sync0sync.ic create mode 100644 perfschema/include/sync0types.h create mode 100644 perfschema/include/thr0loc.h create mode 100644 perfschema/include/thr0loc.ic create mode 100644 perfschema/include/trx0i_s.h create mode 100644 perfschema/include/trx0purge.h create mode 100644 perfschema/include/trx0purge.ic create mode 100644 perfschema/include/trx0rec.h create mode 100644 perfschema/include/trx0rec.ic create mode 100644 perfschema/include/trx0roll.h create mode 100644 perfschema/include/trx0roll.ic create mode 100644 perfschema/include/trx0rseg.h create mode 100644 perfschema/include/trx0rseg.ic create mode 100644 perfschema/include/trx0sys.h create mode 100644 perfschema/include/trx0sys.ic create mode 100644 perfschema/include/trx0trx.h create mode 100644 perfschema/include/trx0trx.ic create mode 100644 perfschema/include/trx0types.h create mode 100644 perfschema/include/trx0undo.h create mode 100644 perfschema/include/trx0undo.ic create mode 100644 perfschema/include/trx0xa.h create mode 100644 perfschema/include/univ.i create mode 100644 perfschema/include/usr0sess.h create mode 100644 perfschema/include/usr0sess.ic create mode 100644 perfschema/include/usr0types.h create mode 100644 perfschema/include/ut0auxconf.h create mode 100644 perfschema/include/ut0byte.h create mode 100644 perfschema/include/ut0byte.ic create mode 100644 perfschema/include/ut0dbg.h create mode 100644 perfschema/include/ut0list.h create mode 100644 perfschema/include/ut0list.ic create mode 100644 perfschema/include/ut0lst.h create mode 100644 perfschema/include/ut0mem.h create mode 100644 perfschema/include/ut0mem.ic create mode 100644 perfschema/include/ut0rbt.h create mode 100644 perfschema/include/ut0rnd.h create mode 100644 perfschema/include/ut0rnd.ic create mode 100644 perfschema/include/ut0sort.h create mode 100644 perfschema/include/ut0ut.h create mode 100644 perfschema/include/ut0ut.ic create mode 100644 perfschema/include/ut0vec.h create mode 100644 perfschema/include/ut0vec.ic create mode 100644 perfschema/include/ut0wqueue.h create mode 100644 perfschema/lock/lock0iter.c create mode 100644 perfschema/lock/lock0lock.c create mode 100644 perfschema/log/log0log.c create mode 100644 perfschema/log/log0recv.c create mode 100644 perfschema/mach/mach0data.c create mode 100644 perfschema/mem/mem0dbg.c create mode 100644 perfschema/mem/mem0mem.c create mode 100644 perfschema/mem/mem0pool.c create mode 100644 perfschema/mtr/mtr0log.c create mode 100644 perfschema/mtr/mtr0mtr.c create mode 100644 perfschema/mysql-test/ctype_innodb_like.inc create mode 100644 perfschema/mysql-test/have_innodb.inc create mode 100644 perfschema/mysql-test/innodb-analyze.result create mode 100644 perfschema/mysql-test/innodb-analyze.test create mode 100644 perfschema/mysql-test/innodb-autoinc-44030.result create mode 100644 perfschema/mysql-test/innodb-autoinc-44030.test create mode 100644 perfschema/mysql-test/innodb-autoinc.result create mode 100644 perfschema/mysql-test/innodb-autoinc.test create mode 100644 perfschema/mysql-test/innodb-consistent-master.opt create mode 100644 perfschema/mysql-test/innodb-consistent.result create mode 100644 perfschema/mysql-test/innodb-consistent.test create mode 100644 perfschema/mysql-test/innodb-index.inc create mode 100644 perfschema/mysql-test/innodb-index.result create mode 100644 perfschema/mysql-test/innodb-index.test create mode 100644 perfschema/mysql-test/innodb-index_ucs2.result create mode 100644 perfschema/mysql-test/innodb-index_ucs2.test create mode 100644 perfschema/mysql-test/innodb-lock.result create mode 100644 perfschema/mysql-test/innodb-lock.test create mode 100644 perfschema/mysql-test/innodb-master.opt create mode 100644 perfschema/mysql-test/innodb-replace.result create mode 100644 perfschema/mysql-test/innodb-replace.test create mode 100644 perfschema/mysql-test/innodb-semi-consistent-master.opt create mode 100644 perfschema/mysql-test/innodb-semi-consistent.result create mode 100644 perfschema/mysql-test/innodb-semi-consistent.test create mode 100644 perfschema/mysql-test/innodb-timeout.result create mode 100644 perfschema/mysql-test/innodb-timeout.test create mode 100644 perfschema/mysql-test/innodb-use-sys-malloc-master.opt create mode 100644 perfschema/mysql-test/innodb-use-sys-malloc.result create mode 100644 perfschema/mysql-test/innodb-use-sys-malloc.test create mode 100644 perfschema/mysql-test/innodb-zip.result create mode 100644 perfschema/mysql-test/innodb-zip.test create mode 100644 perfschema/mysql-test/innodb.result create mode 100644 perfschema/mysql-test/innodb.test create mode 100644 perfschema/mysql-test/innodb_bug21704.result create mode 100644 perfschema/mysql-test/innodb_bug21704.test create mode 100644 perfschema/mysql-test/innodb_bug34053.result create mode 100644 perfschema/mysql-test/innodb_bug34053.test create mode 100644 perfschema/mysql-test/innodb_bug34300.result create mode 100644 perfschema/mysql-test/innodb_bug34300.test create mode 100644 perfschema/mysql-test/innodb_bug35220.result create mode 100644 perfschema/mysql-test/innodb_bug35220.test create mode 100644 perfschema/mysql-test/innodb_bug36169.result create mode 100644 perfschema/mysql-test/innodb_bug36169.test create mode 100644 perfschema/mysql-test/innodb_bug36172.result create mode 100644 perfschema/mysql-test/innodb_bug36172.test create mode 100644 perfschema/mysql-test/innodb_bug38231.result create mode 100644 perfschema/mysql-test/innodb_bug38231.test create mode 100644 perfschema/mysql-test/innodb_bug39438-master.opt create mode 100644 perfschema/mysql-test/innodb_bug39438.result create mode 100644 perfschema/mysql-test/innodb_bug39438.test create mode 100644 perfschema/mysql-test/innodb_bug40360.result create mode 100644 perfschema/mysql-test/innodb_bug40360.test create mode 100644 perfschema/mysql-test/innodb_bug40565.result create mode 100644 perfschema/mysql-test/innodb_bug40565.test create mode 100644 perfschema/mysql-test/innodb_bug41904.result create mode 100644 perfschema/mysql-test/innodb_bug41904.test create mode 100644 perfschema/mysql-test/innodb_bug42101-nonzero-master.opt create mode 100644 perfschema/mysql-test/innodb_bug42101-nonzero.result create mode 100644 perfschema/mysql-test/innodb_bug42101-nonzero.test create mode 100644 perfschema/mysql-test/innodb_bug42101.result create mode 100644 perfschema/mysql-test/innodb_bug42101.test create mode 100644 perfschema/mysql-test/innodb_bug44032.result create mode 100644 perfschema/mysql-test/innodb_bug44032.test create mode 100644 perfschema/mysql-test/innodb_bug44369.result create mode 100644 perfschema/mysql-test/innodb_bug44369.test create mode 100644 perfschema/mysql-test/innodb_bug44571.result create mode 100644 perfschema/mysql-test/innodb_bug44571.test create mode 100644 perfschema/mysql-test/innodb_bug45357.result create mode 100644 perfschema/mysql-test/innodb_bug45357.test create mode 100644 perfschema/mysql-test/innodb_bug46000.result create mode 100644 perfschema/mysql-test/innodb_bug46000.test create mode 100644 perfschema/mysql-test/innodb_bug47621.result create mode 100644 perfschema/mysql-test/innodb_bug47621.test create mode 100644 perfschema/mysql-test/innodb_bug47622.result create mode 100644 perfschema/mysql-test/innodb_bug47622.test create mode 100644 perfschema/mysql-test/innodb_bug47777.result create mode 100644 perfschema/mysql-test/innodb_bug47777.test create mode 100644 perfschema/mysql-test/innodb_bug51378.result create mode 100644 perfschema/mysql-test/innodb_bug51378.test create mode 100644 perfschema/mysql-test/innodb_file_format.result create mode 100644 perfschema/mysql-test/innodb_file_format.test create mode 100644 perfschema/mysql-test/innodb_information_schema.result create mode 100644 perfschema/mysql-test/innodb_information_schema.test create mode 100644 perfschema/mysql-test/innodb_trx_weight.inc create mode 100644 perfschema/mysql-test/innodb_trx_weight.result create mode 100644 perfschema/mysql-test/innodb_trx_weight.test create mode 100644 perfschema/mysql-test/patches/README create mode 100644 perfschema/mysql-test/patches/index_merge_innodb-explain.diff create mode 100644 perfschema/mysql-test/patches/information_schema.diff create mode 100644 perfschema/mysql-test/patches/innodb_file_per_table.diff create mode 100644 perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff create mode 100644 perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff create mode 100644 perfschema/mysql-test/patches/partition_innodb.diff create mode 100644 perfschema/os/os0file.c create mode 100644 perfschema/os/os0proc.c create mode 100644 perfschema/os/os0sync.c create mode 100644 perfschema/os/os0thread.c create mode 100644 perfschema/page/page0cur.c create mode 100644 perfschema/page/page0page.c create mode 100644 perfschema/page/page0zip.c create mode 100644 perfschema/pars/lexyy.c create mode 100755 perfschema/pars/make_bison.sh create mode 100755 perfschema/pars/make_flex.sh create mode 100644 perfschema/pars/pars0grm.c create mode 100644 perfschema/pars/pars0grm.y create mode 100644 perfschema/pars/pars0lex.l create mode 100644 perfschema/pars/pars0opt.c create mode 100644 perfschema/pars/pars0pars.c create mode 100644 perfschema/pars/pars0sym.c create mode 100644 perfschema/plug.in create mode 100644 perfschema/que/que0que.c create mode 100644 perfschema/read/read0read.c create mode 100644 perfschema/rem/rem0cmp.c create mode 100644 perfschema/rem/rem0rec.c create mode 100755 perfschema/revert_gen.sh create mode 100644 perfschema/row/row0ext.c create mode 100644 perfschema/row/row0ins.c create mode 100644 perfschema/row/row0merge.c create mode 100644 perfschema/row/row0mysql.c create mode 100644 perfschema/row/row0purge.c create mode 100644 perfschema/row/row0row.c create mode 100644 perfschema/row/row0sel.c create mode 100644 perfschema/row/row0uins.c create mode 100644 perfschema/row/row0umod.c create mode 100644 perfschema/row/row0undo.c create mode 100644 perfschema/row/row0upd.c create mode 100644 perfschema/row/row0vers.c create mode 100755 perfschema/scripts/export.sh create mode 100644 perfschema/scripts/install_innodb_plugins.sql create mode 100644 perfschema/scripts/install_innodb_plugins_win.sql create mode 100755 perfschema/setup.sh create mode 100644 perfschema/srv/srv0que.c create mode 100644 perfschema/srv/srv0srv.c create mode 100644 perfschema/srv/srv0start.c create mode 100644 perfschema/sync/sync0arr.c create mode 100644 perfschema/sync/sync0rw.c create mode 100644 perfschema/sync/sync0sync.c create mode 100644 perfschema/thr/thr0loc.c create mode 100644 perfschema/trx/trx0i_s.c create mode 100644 perfschema/trx/trx0purge.c create mode 100644 perfschema/trx/trx0rec.c create mode 100644 perfschema/trx/trx0roll.c create mode 100644 perfschema/trx/trx0rseg.c create mode 100644 perfschema/trx/trx0sys.c create mode 100644 perfschema/trx/trx0trx.c create mode 100644 perfschema/trx/trx0undo.c create mode 100644 perfschema/usr/usr0sess.c create mode 100644 perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c create mode 100644 perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c create mode 100644 perfschema/ut/ut0auxconf_have_gcc_atomics.c create mode 100644 perfschema/ut/ut0auxconf_have_solaris_atomics.c create mode 100644 perfschema/ut/ut0auxconf_pause.c create mode 100644 perfschema/ut/ut0auxconf_sizeof_pthread_t.c create mode 100644 perfschema/ut/ut0byte.c create mode 100644 perfschema/ut/ut0dbg.c create mode 100644 perfschema/ut/ut0list.c create mode 100644 perfschema/ut/ut0mem.c create mode 100644 perfschema/ut/ut0rbt.c create mode 100644 perfschema/ut/ut0rnd.c create mode 100644 perfschema/ut/ut0ut.c create mode 100644 perfschema/ut/ut0vec.c create mode 100644 perfschema/ut/ut0wqueue.c diff --git a/perfschema/CMakeLists.txt b/perfschema/CMakeLists.txt new file mode 100644 index 00000000000..7d10a6aaf3e --- /dev/null +++ b/perfschema/CMakeLists.txt @@ -0,0 +1,267 @@ +# Copyright (C) 2009 Oracle/Innobase Oy +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +# This is the CMakeLists for InnoDB Plugin + +INCLUDE(CheckFunctionExists) +INCLUDE(CheckCSourceCompiles) +INCLUDE(CheckCSourceRuns) + +# OS tests +IF(UNIX) + IF(CMAKE_SYSTEM_NAME STREQUAL "Linux") + ADD_DEFINITIONS("-DUNIV_LINUX -D_GNU_SOURCE=1") + ELSEIF(CMAKE_SYSTEM_NAME MATCHES "HP*") + ADD_DEFINITIONS("-DUNIV_HPUX -DUNIV_MUST_NOT_INLINE") + ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "AIX") + ADD_DEFINITIONS("-DUNIV_AIX -DUNIX_MUST_NOT_INLINE") + ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") + ADD_DEFINITIONS("-DUNIV_SOLARIS") + ELSE() + ADD_DEFINITIONS("-DUNIV_MUST_NOT_INLINE") + ENDIF() +ENDIF() + + +IF(NOT MSVC) +# either define HAVE_IB_GCC_ATOMIC_BUILTINS or not +IF(NOT CMAKE_CROSSCOMPILING) + CHECK_C_SOURCE_RUNS( + " + int main() + { + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + return(0); + }" + HAVE_IB_GCC_ATOMIC_BUILTINS + ) +ENDIF() + +IF(HAVE_IB_GCC_ATOMIC_BUILTINS) + ADD_DEFINITIONS(-DHAVE_IB_GCC_ATOMIC_BUILTINS=1) +ENDIF() + + # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not +IF(NOT CMAKE_CROSSCOMPILING) + CHECK_C_SOURCE_RUNS( + " + #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); + }" + HAVE_IB_ATOMIC_PTHREAD_T_GCC) +ENDIF() +IF(HAVE_IB_ATOMIC_PTHREAD_T_GCC) + ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_GCC=1) +ENDIF() + +ENDIF(NOT MSVC) + +# Solaris atomics +IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") + CHECK_FUNCTION_EXISTS(atomic_cas_ulong HAVE_ATOMIC_CAS_ULONG) + CHECK_FUNCTION_EXISTS(atomic_cas_32 HAVE_ATOMIC_CAS_32) + CHECK_FUNCTION_EXISTS(atomic_cas_64 HAVE_ATOMIC_CAS_64) + CHECK_FUNCTION_EXISTS(atomic_add_long HAVE_ATOMIC_ADD_LONG) + IF(HAVE_ATOMIC_CAS_ULONG AND HAVE_ATOMIC_CAS_32 AND + HAVE_ATOMIC_CAS_64 AND HAVE_ATOMIC_ADD_LONG) + SET(HAVE_IB_SOLARIS_ATOMICS 1) + ENDIF() + + IF(HAVE_IB_SOLARIS_ATOMICS) + ADD_DEFINITIONS(-DHAVE_IB_SOLARIS_ATOMICS=1) + ENDIF() + + IF(NOT CMAKE_CROSSCOMPILING) + # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not + CHECK_C_SOURCE_COMPILES( + " #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); + } + " HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) + ENDIF() + IF(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) + ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_SOLARIS=1) + ENDIF() +ENDIF() + + +IF(UNIX) +# this is needed to know which one of atomic_cas_32() or atomic_cas_64() +# to use in the source +SET(CMAKE_EXTRA_INCLUDE_FILES pthread.h) +CHECK_TYPE_SIZE(pthread_t SIZEOF_PTHREAD_T) +SET(CMAKE_EXTRA_INCLUDE_FILES) +ENDIF() + +IF(SIZEOF_PTHREAD_T) + ADD_DEFINITIONS(-DSIZEOF_PTHREAD_T=${SIZEOF_PTHREAD_T}) +ENDIF() + +IF(MSVC) + ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) +ENDIF() + + +# Include directories under innobase +INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include + ${CMAKE_SOURCE_DIR}/storage/innobase/handler) + +# Sun Studio bug with -xO2 +IF(CMAKE_C_COMPILER_ID MATCHES "SunPro" + AND CMAKE_C_FLAGS_RELEASE MATCHES "O2" + AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug") + # Sun Studio 12 crashes with -xO2 flag, but not with higher optimization + # -xO3 + SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_SOURCE_DIR}/rem/rem0rec.c + PROPERTIES COMPILE_FLAGS -xO3) +ENDIF() + +# Removing compiler optimizations for innodb/mem/* files on 64-bit Windows +# due to 64-bit compiler error, See MySQL Bug #19424, #36366, #34297 +IF (MSVC AND CMAKE_SIZEOF_VOID_P EQUAL 8) + SET_SOURCE_FILES_PROPERTIES(mem/mem0mem.c mem/mem0pool.c + PROPERTIES COMPILE_FLAGS -Od) +ENDIF() + +SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c + buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c + data/data0data.c data/data0type.c + dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c + dyn/dyn0dyn.c + eval/eval0eval.c eval/eval0proc.c + fil/fil0fil.c + fsp/fsp0fsp.c + fut/fut0fut.c fut/fut0lst.c + ha/ha0ha.c ha/hash0hash.c ha/ha0storage.c + ibuf/ibuf0ibuf.c + pars/lexyy.c pars/pars0grm.c pars/pars0opt.c pars/pars0pars.c pars/pars0sym.c + lock/lock0lock.c lock/lock0iter.c + log/log0log.c log/log0recv.c + mach/mach0data.c + mem/mem0mem.c mem/mem0pool.c + mtr/mtr0log.c mtr/mtr0mtr.c + os/os0file.c os/os0proc.c os/os0sync.c os/os0thread.c + page/page0cur.c page/page0page.c page/page0zip.c + que/que0que.c + handler/ha_innodb.cc handler/handler0alter.cc handler/i_s.cc handler/mysql_addons.cc + read/read0read.c + rem/rem0cmp.c rem/rem0rec.c + row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c row/row0purge.c row/row0row.c + row/row0sel.c row/row0uins.c row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c + srv/srv0que.c srv/srv0srv.c srv/srv0start.c + sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c + thr/thr0loc.c + trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c + trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c + usr/usr0sess.c + ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c + ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) + +IF(WITH_INNODB) + # Legacy option + SET(WITH_INNOBASE_STORAGE_ENGINE TRUE) +ENDIF() + + +#The plugin's CMakeLists.txt still needs to work with previous versions of MySQL. +IF(EXISTS ${SOURCE_DIR}/storage/mysql_storage_engine.cmake) + # Old plugin support on Windows only, + # use tricks to force ha_innodb.dll name for DLL + INCLUDE(${SOURCE_DIR}/storage/mysql_storage_engine.cmake) + MYSQL_STORAGE_ENGINE(INNOBASE) + GET_TARGET_PROPERTY(LIB_LOCATION ha_innobase LOCATION) + IF(LIB_LOCATION) + SET_TARGET_PROPERTIES(ha_innobase PROPERTIES OUTPUT_NAME ha_innodb) + ENDIF() +ELSEIF (MYSQL_VERSION_ID LESS "50137") + # Windows only, no plugin support + IF (NOT SOURCE_SUBLIBS) + ADD_DEFINITIONS(-DMYSQL_SERVER) + ADD_LIBRARY(innobase STATIC ${INNOBASE_SOURCES}) + # Require mysqld_error.h, which is built as part of the GenError + ADD_DEPENDENCIES(innobase GenError) + ENDIF() +ELSE() + # New plugin support, cross-platform , base name for shared module is "ha_innodb" + MYSQL_ADD_PLUGIN(innobase ${INNOBASE_SOURCES} STORAGE_ENGINE + MODULE_OUTPUT_NAME ha_innodb + LINK_LIBRARIES ${ZLIB_LIBRARY}) +ENDIF() diff --git a/perfschema/COPYING b/perfschema/COPYING new file mode 100644 index 00000000000..6b106e18fdb --- /dev/null +++ b/perfschema/COPYING @@ -0,0 +1,351 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +Preamble +======== + +The licenses for most software are designed to take away your freedom +to share and change it. By contrast, the GNU General Public License is +intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + +When we speak of free software, we are referring to freedom, not price. +Our General Public Licenses are designed to make sure that you have +the freedom to distribute copies of free software (and charge for this +service if you wish), that you receive source code or can get it if you +want it, that you can change the software or use pieces of it in new +free programs; and that you know you can do these things. + +To protect your rights, we need to make restrictions that forbid anyone +to deny you these rights or to ask you to surrender the rights. These +restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + +For example, if you distribute copies of such a program, whether gratis +or for a fee, you must give the recipients all the rights that you +have. You must make sure that they, too, receive or can get the source +code. 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You may copy and distribute verbatim copies of the Program's + source code as you receive it, in any medium, provided that you + conspicuously and appropriately publish on each copy an appropriate + copyright notice and disclaimer of warranty; keep intact all the + notices that refer to this License and to the absence of any + warranty; and give any other recipients of the Program a copy of + this License along with the Program. + + You may charge a fee for the physical act of transferring a copy, + and you may at your option offer warranty protection in exchange + for a fee. + + 2. You may modify your copy or copies of the Program or any portion + of it, thus forming a work based on the Program, and copy and + distribute such modifications or work under the terms of Section 1 + above, provided that you also meet all of these conditions: + + a. You must cause the modified files to carry prominent notices + stating that you changed the files and the date of any change. + + b. 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It is safest to +attach them to the start of each source file to most effectively convey +the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + ONE LINE TO GIVE THE PROGRAM'S NAME AND A BRIEF IDEA OF WHAT IT DOES. + Copyright (C) YYYY NAME OF AUTHOR + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) 19YY NAME OF AUTHOR + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the +appropriate parts of the General Public License. Of course, the +commands you use may be called something other than `show w' and `show +c'; they could even be mouse-clicks or menu items--whatever suits your +program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + SIGNATURE OF TY COON, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, +you may consider it more useful to permit linking proprietary +applications with the library. If this is what you want to do, use the +GNU Library General Public License instead of this License. diff --git a/perfschema/COPYING.Google b/perfschema/COPYING.Google new file mode 100644 index 00000000000..5ade2b0e381 --- /dev/null +++ b/perfschema/COPYING.Google @@ -0,0 +1,30 @@ +Portions of this software contain modifications contributed by Google, Inc. +These contributions are used with the following license: + +Copyright (c) 2008, Google Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of the Google Inc. nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/COPYING.Percona b/perfschema/COPYING.Percona new file mode 100644 index 00000000000..8c786811719 --- /dev/null +++ b/perfschema/COPYING.Percona @@ -0,0 +1,30 @@ +Portions of this software contain modifications contributed by Percona, Inc. +These contributions are used with the following license: + +Copyright (c) 2008, 2009, Percona Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of the Percona Inc. nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/COPYING.Sun_Microsystems b/perfschema/COPYING.Sun_Microsystems new file mode 100644 index 00000000000..5a77ef3ab73 --- /dev/null +++ b/perfschema/COPYING.Sun_Microsystems @@ -0,0 +1,31 @@ +Portions of this software contain modifications contributed by +Sun Microsystems, Inc. These contributions are used with the following +license: + +Copyright (c) 2009, Sun Microsystems, Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + * Neither the name of Sun Microsystems, Inc. nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/ChangeLog b/perfschema/ChangeLog new file mode 100644 index 00000000000..a8b8c52908d --- /dev/null +++ b/perfschema/ChangeLog @@ -0,0 +1,1643 @@ +2010-03-11 The InnoDB Team + + * buf0buf.h, buf0buf.ic: + Fix and clarify the latching of some buf_block_t members. + Note that check_index_page_at_flush is not protected by any mutex. + Note and assert that lock_hash_val is protected by the rw-latch. + +2010-03-10 The InnoDB Team + + * trx/trx0sys.c: + Fix Bug #51653 outdated reference to set-variable + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, + mysql-test/innodb_bug47621.result, mysql-test/innodb_bug47621.test: + Fix Bug #47621 MySQL and InnoDB data dictionaries will become + out of sync when renaming columns + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug #51356 Many Valgrind errors in error messages + with concurrent DDL + +2010-03-10 The InnoDB Team + + * handler/ha_innodb.cc, handler/handler0alter.cc, + mysql-test/innodb_bug51378.result, mysql-test/innodb_bug51378.test: + Fix Bug #51378 Init 'ref_length' to correct value, in case an out + of bound MySQL primary_key + +2010-03-10 The InnoDB Team + + * log/log0recv.c: + Remove a bogus assertion about page numbers exceeding 0x90000000 + in the redo log. Abort when encountering a corrupted redo log + record, unless innodb_force_recovery is set. + +2010-03-09 The InnoDB Team + + * handler/ha_innodb.cc: + Make SHOW ENGINE INNODB MUTEX STATUS display SUM(os_waits) + for the buffer pool block mutexes and locks. + +2010-03-08 The InnoDB Team + + * fil/fil0fil.c: + Fix ALTER TABLE ... IMPORT TABLESPACE of compressed tables. + +2010-03-03 The InnoDB Team + + * handler/handler0alter.cc, innodb-index.result, innodb-index.test, + innodb.result, innodb.test: + Disallow a duplicate index name when creating an index. + +2010-02-11 The InnoDB Team + + * include/mem0mem.h, include/mem0mem.ic, mem/mem0mem.c: + Fix Bug #49535 Available memory check slows down crash + recovery tens of times + +2010-02-09 The InnoDB Team + + * buf/buf0buf.c: + Fix Bug #38901 InnoDB logs error repeatedly when trying to load + page into buffer pool + +2010-02-09 The InnoDB Team + + * srv/srv0srv.c: + Let the master thread sleep if the amount of work to be done is + calibrated as taking less than a second. + +2010-02-04 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, btr/btr0pcur.c, buf/buf0buf.c, + include/btr0btr.h, include/btr0cur.h, include/btr0pcur.h, + include/btr0pcur.ic, include/buf0buf.h, row/row0ins.c, row/row0sel.c: + Pass the file name and line number of the caller of the + b-tree cursor functions to the buffer pool requests, in order + to make the latch diagnostics more accurate. + +2010-02-03 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#49001 SHOW INNODB STATUS deadlock info incorrect + when deadlock detection aborts + +2010-02-03 The InnoDB Team + + * buf/buf0lru.c: + Fix Bug#35077 Very slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) + on compressed tables + +2010-02-03 The InnoDB Team + + * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: + Clean up CHECK TABLE error handling. + +2010-02-01 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.test, + mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc-44030.test, + mysql-test/innodb-autoinc-44030.result: + Fix Bug#49497 Error 1467 (ER_AUTOINC_READ_FAILED) on inserting + a negative value + +2010-01-27 The InnoDB Team + + * include/row0mysql.h, log/log0recv.c, row/row0mysql.c: + Drop temporary tables at startup. + This addresses the third aspect of + Bug#41609 Crash recovery does not work for InnoDB temporary tables. + +2010-01-21 The InnoDB Team + + * buf/buf0buf.c: + Do not merge buffered inserts to compressed pages before + the redo log has been applied in crash recovery. + +2010-01-13 The InnoDB Team + + * row/row0sel.c: + On the READ UNCOMMITTED isolation level, do not attempt to access + a clustered index record that has been marked for deletion. The + built-in InnoDB in MySQL 5.1 and earlier would attempt to retrieve + a previous version of the record in this case. + +2010-01-13 The InnoDB Team + + * buf/buf0buf.c: + When disabling the adaptive hash index, check the block state + before checking block->is_hashed, because the latter may be + uninitialized right after server startup. + +2010-01-12 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h: + Fix Bug #46193 crash when accessing tables after enabling + innodb_force_recovery option + +2010-01-12 The InnoDB Team + + * row/row0mysql.c: + Fix Bug#49238 Creating/Dropping a temporary table while at 1023 + transactions will cause assert. + +2009-12-02 The InnoDB Team + + * srv/srv0start.c: + Display the zlib version number at startup. + InnoDB compressed tables use zlib, and the implementation depends + on the zlib function compressBound(), whose definition was slightly + changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 + from 2005, but some installations use a more recent zlib. + +2009-11-30 The InnoDB Team + + * dict/dict0crea.c, dict/dict0mem.c, dict/dict0load.c, + dict/dict0boot.c, fil/fil0fil.c, handler/ha_innodb.cc, + include/dict0mem.h, row/row0mysql.c: + Fix the bogus warning messages for non-existing temporary + tables that were reported in + Bug#41609 Crash recovery does not work for InnoDB temporary tables. + The actual crash recovery bug was corrected on 2009-04-29. + +2009-11-27 The InnoDB Team + + InnoDB Plugin 1.0.6 released + +2009-11-20 The InnoDB Team + + * handler/ha_innodb.cc: + Add a workaround to prevent a crash due to Bug#45961 DDL on + partitioned innodb tables leaves data dictionary in an inconsistent + state + +2009-11-19 The InnoDB Team + + * btr/btr0btr.c: + Fix Bug#48469 when innodb tablespace is configured too small, crash + and corruption! + +2009-11-19 The InnoDB Team + + * data/data0type.c: + Fix Bug#48526 Data type for float and double is incorrectly reported + in InnoDB table monitor + +2009-11-19 The InnoDB Team + + * CMakeLists.txt: + Fix Bug#48317 cannot build innodb as static library + +2009-11-18 The InnoDB Team + + * handler/handler0alter.cc: + Fix Bug#48782 On lock wait timeout, CREATE INDEX (creating primary key) + attempts DROP TABLE + +2009-11-17 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test, mysql-test/innodb_bug44369.result, + mysql-test/innodb_bug44369.test, mysql-test/patches/innodb-index.diff, + row/row0mysql.c: + Report duplicate table names to the client connection, not to the + error log. + +2009-11-12 The InnoDB Team + + * handler/ha_innodb.cc, include/db0err.h, row/row0merge.c, + row/row0mysql.c: + Allow CREATE INDEX to be interrupted. + Also, when CHECK TABLE is interrupted, report ER_QUERY_INTERRUPTED. + +2009-11-11 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug47167.result, + mysql-test/innodb_bug47167.test, mysql-test/innodb_file_format.result: + Fix Bug#47167 "set global innodb_file_format_check" cannot set value + by User-Defined Variable + +2009-11-11 The InnoDB Team + + * include/os0file.h, os/os0file.c: + Fix Bug#3139 Mysql crashes: 'windows error 995' after several selects + on a large DB + +2009-11-04 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#32430 'show innodb status' causes errors + Invalid (old?) table or database name in logs + +2009-11-02 The InnoDB Team + + * btr/btr0sea.c, buf/buf0buf.c, dict/dict0dict.c, fil/fil0fil.c, + ibuf/ibuf0ibuf.c, include/btr0sea.h, include/dict0dict.h, + include/fil0fil.h, include/ibuf0ibuf.h, include/lock0lock.h, + include/log0log.h, include/log0recv.h, include/mem0mem.h, + include/mem0pool.h, include/os0file.h, include/pars0pars.h, + include/srv0srv.h, include/thr0loc.h, include/trx0i_s.h, + include/trx0purge.h, include/trx0rseg.h, include/trx0sys.h, + include/trx0undo.h, include/usr0sess.h, lock/lock0lock.c, + log/log0log.c, log/log0recv.c, mem/mem0dbg.c, mem/mem0pool.c, + os/os0file.c, os/os0sync.c, os/os0thread.c, pars/lexyy.c, + pars/pars0lex.l, que/que0que.c, srv/srv0srv.c, srv/srv0start.c, + sync/sync0arr.c, sync/sync0sync.c, thr/thr0loc.c, trx/trx0i_s.c, + trx/trx0purge.c, trx/trx0rseg.c, trx/trx0sys.c, trx/trx0undo.c, + usr/usr0sess.c, ut/ut0mem.c: + Fix Bug #45992 innodb memory not freed after shutdown + Fix Bug #46656 InnoDB plugin: memory leaks (Valgrind) + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#47125 auto_increment start value is ignored if an index is + created and engine=innodb + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug47777.result, + mysql-test/innodb_bug47777.test: + Fix Bug#47777 innodb dies with spatial pk: Failing assertion: buf <= + original_buf + buf_len + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#38996 Race condition in ANALYZE TABLE + +2009-10-29 The InnoDB Team + + * handler/ha_innodb.cc: + Fix bug#42383: Can't create table 'test.bug39438' + +2009-10-29 The InnoDB Team + + * os/os0proc.c: + Fix Bug#48237 Error handling in os_mem_alloc_large appears to + be incorrect + +2009-10-29 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.h, include/buf0buf.ic: + Fix corruption of the buf_pool->LRU_old list and improve debug + assertions. + +2009-10-28 The InnoDB Team + + * srv/srv0start.c: + Fix Bug#41490 After enlargement of InnoDB page size, the error message + become inaccurate + +2009-10-26 The InnoDB Team + + * row/row0ins.c: + When allocating a data tuple, zero out the system fields in order + to avoid Valgrind warnings about uninitialized fields in + dtuple_validate(). + +2009-10-22 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, mysql-test/innodb_bug44369.result, + mysql-test/innodb_bug44369.test: + Fix Bug#47233 Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR) + +2009-10-19 The InnoDB Team + + * mysql-test/innodb_information_schema.test: + Fix Bug#47808 innodb_information_schema.test fails when run under + valgrind + +2009-10-15 The InnoDB Team + + * include/page0page.ic: + Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro + cc/CC 5.10 + +2009-10-13 The InnoDB Team + + * buf/buf0flu.c: + Call fsync() on datafiles after a batch of pages is written to disk + even when skip_innodb_doublewrite is set. + +2009-10-05 The InnoDB Team + + * buf/buf0buf.c: + Do not invalidate buffer pool while an LRU batch is active. Added code + to buf_pool_invalidate() to wait for the running batches to finish. + +2009-10-01 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#47763 typo in error message: Failed to open table %s after %lu + attemtps. + +2009-10-01 The InnoDB Team + + * fsp/fsp0fsp.c, row/row0merge.c: + Clean up after a crash during DROP INDEX. When InnoDB crashes + while dropping an index, ensure that the index will be completely + dropped during crash recovery. The MySQL .frm file may still + contain the dropped index, but there is little that we can do + about it. + +2009-09-28 The InnoDB Team + + * handler/ha_innodb.cc: + When a secondary index exists in the MySQL .frm file but not in + the InnoDB data dictionary, return an error instead of letting an + assertion fail in index_read. + +2009-09-28 The InnoDB Team + + * btr/btr0btr.c, buf/buf0buf.c, include/page0page.h, + include/page0zip.h, page/page0cur.c, page/page0page.c, + page/page0zip.c: + Do not write to PAGE_INDEX_ID when restoring an uncompressed page + after a compression failure. The field should only be written + when creating a B-tree page. This fix addresses a race condition + in a debug assertion. + +2009-09-28 The InnoDB Team + + * fil/fil0fil.c: + Try to prevent the reuse of tablespace identifiers after InnoDB + has crashed during table creation. Also, refuse to start if files + with duplicate tablespace identifiers are encountered. + +2009-09-25 The InnoDB Team + + * include/os0file.h, os/os0file.c: + Fix Bug#47055 unconditional exit(1) on ERROR_WORKING_SET_QUOTA + 1453 (0x5AD) for InnoDB backend + +2009-09-19 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-consistent-master.opt, + mysql-test/innodb-consistent.result, + mysql-test/innodb-consistent.test: + Fix Bug#37232 Innodb might get too many read locks for DML with + repeatable-read + +2009-09-19 The InnoDB Team + + * fsp/fsp0fsp.c: + Fix Bug#31183 Tablespace full problems not reported in error log, + error message unclear + +2009-09-17 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: + Make the test pass with zlib 1.2.3.3. Apparently, the definition + of compressBound() has changed between zlib versions, and the + maximum record size of a table with 1K compressed page size has + been reduced by one byte. This is an arbitrary test. In practical + applications, for good write performance, the compressed page size + should be chosen to be bigger than the absolute minimum. + +2009-09-16 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#46256 drop table with unknown collation crashes innodb + +2009-09-16 The InnoDB Team + + * dict/dict0dict.c, handler/ha_innodb.cc, + mysql-test/innodb_bug44369.result, mysql-test/innodb_bug44369.test, + row/row0mysql.c: + Fix Bug#44369 InnoDB: Does not uniformly disallow disallowed column + names + +2009-09-16 The InnoDB Team + + * handler/ha_innodb.cc, include/db0err.h, + mysql-test/innodb_bug46000.result, mysql-test/innodb_bug46000.test: + Fix Bug#46000 using index called GEN_CLUST_INDEX crashes server + +2009-09-02 The InnoDB Team + + * include/lock0lock.h, include/row0mysql.h, lock/lock0lock.c, + row/row0mysql.c: + Fix a regression introduced by the fix for MySQL bug#26316. We check + whether a transaction holds any AUTOINC locks before we acquire + the kernel mutex and release those locks. + +2009-08-27 The InnoDB Team + + * dict/dict0dict.c, include/dict0dict.h, + mysql-test/innodb_bug44571.result, mysql-test/innodb_bug44571.test: + Fix Bug#44571 InnoDB Plugin crashes on ADD INDEX + +2009-08-27 The InnoDB Team + + * row/row0merge.c: + Fix a bug in the merge sort that can corrupt indexes in fast index + creation. Add some consistency checks. Check that the number of + records remains constant in every merge sort pass. + +2009-08-27 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, + include/buf0buf.h, include/buf0buf.ic, include/buf0lru.h, + include/ut0ut.h, ut/ut0ut.c: + Make it possible to tune the buffer pool LRU eviction policy to be + more resistant against index scans. Introduce the settable global + variables innodb_old_blocks_pct and innodb_old_blocks_time for + controlling the buffer pool eviction policy. The parameter + innodb_old_blocks_pct (5..95) controls the desired amount of "old" + blocks in the LRU list. The default is 37, corresponding to the + old fixed ratio of 3/8. Each time a block is accessed, it will be + moved to the "new" blocks if its first access was at least + innodb_old_blocks_time milliseconds ago (default 0, meaning every + block). The idea is that in index scans, blocks will be accessed + a few times within innodb_old_blocks_time, and they will remain in + the "old" section of the LRU list. Thus, when innodb_old_blocks_time + is nonzero, blocks retrieved for one-time index scans will be more + likely candidates for eviction than blocks that are accessed in + random patterns. + +2009-08-26 The InnoDB Team + + * handler/ha_innodb.cc, os/os0file.c: + Fix Bug#42885 buf_read_ahead_random, buf_read_ahead_linear counters, + thread wakeups + +2009-08-20 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#46650 Innodb assertion autoinc_lock == lock in + lock_table_remove_low on INSERT SELECT + +2009-08-13 The InnoDB Team + + * handler/handler0alter.cc: + Fix Bug#46657 InnoDB plugin: invalid read in index_merge_innodb test + (Valgrind) + +2009-08-11 The InnoDB Team + + InnoDB Plugin 1.0.4 released + +2009-07-20 The InnoDB Team + + * buf/buf0rea.c, handler/ha_innodb.cc, include/srv0srv.h, + srv/srv0srv.c: + Change the read ahead parameter name to innodb_read_ahead_threshold. + Change the meaning of this parameter to signify the number of pages + that must be sequentially accessed for InnoDB to trigger a readahead + request. + +2009-07-20 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#39802 On Windows, 32-bit time_t should be enforced + +2009-07-16 The InnoDB Team + + * include/univ.i: + Support inlining of functions and prefetch with Sun Studio. + These changes are based on contribution from Sun Microsystems Inc. + under a BSD license. + +2009-07-14 The InnoDB Team + + * fil/fil0fil.c: + Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to + match documentation + +2009-07-14 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, + mysql-test/innodb_bug21704.test: + Fix Bug#21704 Renaming column does not update FK definition + +2009-07-10 The InnoDB Team + + * handler/ha_innodb.cc, srv/srv0srv.c: + Change the defaults for + innodb_sync_spin_loops: 20 -> 30 + innodb_spin_wait_delay: 5 -> 6 + +2009-07-08 The InnoDB Team + + * buf/buf0flu.c, handler/ha_innodb.cc, include/buf0flu.h, + include/log0log.h, include/log0log.ic, include/srv0srv.h, + srv/srv0srv.c: + Implement the adaptive flushing of dirty pages, which uses + a heuristics based flushing rate of dirty pages to avoid IO + bursts at checkpoint. Expose new configure knob + innodb_adaptive_flushing to control whether the new flushing + algorithm should be used. + +2009-07-07 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, log/log0log.c, + srv/srv0srv.c: + Implement IO capacity tuning. Expose new configure knob + innodb_io_capacity to control the master threads IO rate. The + ibuf merge is also changed from synchronous to asynchronous. + These changes are based on contribution from Google Inc. + under a BSD license. + +2009-07-02 The InnoDB Team + + * include/ut0ut.h, plug.in, ut/ut0ut.c: + Use the PAUSE instruction inside the spinloop if it is available, + Thanks to Mikael Ronstrom . + +2009-06-29 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_file_format.test, + mysql-test/innodb_file_format.result: + Do not crash on SET GLOBAL innodb_file_format=DEFAULT + or SET GLOBAL innodb_file_format_check=DEFAULT. + +2009-06-29 The InnoDB Team + + * buf/buf0buf.c, buf/buf0rea.c, lock/lock0lock.c: + Tolerate missing tablespaces during crash recovery and when + printing information on locks. + +2009-06-29 The InnoDB Team + + * buf/buf0buf.c: + Fix a race condition when reading buf_fix_count. + Currently, it is not being protected by the buffer pool mutex, + but by the block mutex. + +2009-06-29 The InnoDB Team + + * handler/handler0alter.cc: + Start the user transaction prebuilt->trx if it was not started + before adding or dropping an index. Without this fix, the + table could be locked outside an active transaction. + +2009-06-25 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug42101.test, + mysql-test/innodb_bug42101.result, + mysql-test/innodb_bug42101-nonzero.test, + mysql-test/innodb_bug42101-nonzero.result: + Fix Bug#45749 Race condition in SET GLOBAL + innodb_commit_concurrency=DEFAULT + +2009-06-25 The InnoDB Team + + * dict/dict0dict.c: + When an index column cannot be found in the table during index + creation, display additional diagnostic before an assertion failure. + This does NOT fix Bug #44571 InnoDB Plugin crashes on ADD INDEX, + but it helps understand the reason of the crash. + +2009-06-17 The InnoDB Team + + * row/row0merge.c: + Fix Bug#45426 UNIV_DEBUG build cause assertion error at CREATE INDEX + +2009-06-17 The InnoDB Team + + * mysql-test/innodb_bug45357.result, mysql-test/innodb_bug45357.test, + row/row0mysql.c: + Fix Bug#45357 5.1.35 crashes with Failing assertion: index->type & + DICT_CLUSTERED + +2009-06-17 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value + from the index (PRIMARY) + +2009-06-11 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb.result, srv/srv0srv.c: + Change the following defaults: + max_dirty_pages_pct: from 90 to 75, max allowed from 100 to 99 + additional_mem_pool_size: from 1 to 8 MB + buffer_pool_size: from 8 to 128 MB + log_buffer_size: from 1 to 8 MB + read_io_threads/write_io_threads: from 1 to 4 + +2009-06-09 The InnoDB Team + + * handler/ha_innodb.cc, include/trx0trx.h, trx/trx0trx.c: + Enable Group Commit functionality that was broken in 5.0 when + distributed transactions were introduced. + +2009-06-05 The InnoDB Team + + * handler/ha_innodb.cc, include/os0file.h, include/srv0srv.h, + os/os0file.c, srv/srv0srv.c, srv/srv0start.c: + Enable functionality to have multiple background IO helper threads. + Expose new configure knobs innodb_read_io_threads and + innodb_write_io_threads and deprecate innodb_file_io_threads (this + parameter was relevant only on windows). Internally this allows + multiple segments for read and write IO request arrays where one + thread works on one segment. + +2009-06-05 The InnoDB Team + + * buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, + include/srv0srv.h, srv/srv0srv.c: + Fix a bug in linear read ahead: + 1) Take into account access pattern when deciding whether or not to + do linear read ahead. + 2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), + dynamic, global to control linear read ahead behavior. This is the + value of the number of pages that InnoDB will tolerate within a + 64 page extent even if they are accessed out of order or have + not been accessed at all. This number (which varies from 0 to 64) + is indicative of the slack that we have when deciding about linear + readahead. + 3) Disable random read ahead. Keep the code for now. + +2009-06-03 The InnoDB Team + + * dict/dict0dict.c, mysql-test/t/innodb_mysql.test, + mysql-test/r/innodb_mysql.result: + Fix Bug#39793 Foreign keys not constructed when column + has a '#' in a comment or default value + +2009-05-27 The InnoDB Team + + * Doxyfile: + Allow the extraction of documentation from the code base with the + Doxygen tool. Convert and add many (but not yet all) comments to + Doxygen format. + +2009-05-19 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, + include/page0page.ic, include/lock0lock.h, include/dict0dict.h, + include/page0page.h, include/dict0dict.ic, ibuf/ibuf0ibuf.c, + page/page0zip.c, page/page0page.c: + Write updates of PAGE_MAX_TRX_ID to the redo log and add debug + assertions for checking that PAGE_MAX_TRX_ID is valid on leaf + pages of secondary indexes and the insert buffer B-tree. This bug + could cause failures in secondary index lookups in consistent + reads right after crash recovery. + +2009-05-18 The InnoDB Team + + * btr/btr0cur.c: + Correctly estimate the space needed on the compressed page when + performing an update by delete-and-insert. + +2009-05-14 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, + mysql-test/innodb_bug42101-nonzero-master.opt, + mysql-test/innodb_bug42101-nonzero.result, + mysql-test/innodb_bug42101-nonzero.test, + mysql-test/innodb_bug42101.result, mysql-test/innodb_bug42101.test, + srv/srv0srv.c: + Fix Bug#42101 Race condition in innodb_commit_concurrency + +2009-05-13 The InnoDB Team + + * dict/dict0dict.c: + Fix Bug#44320 InnoDB: missing DB_ROLL_PTR in Table Monitor COLUMNS + output + +2009-04-29 The InnoDB Team + + * fil/fil0fil.c, include/fil0fil.h, include/mtr0mtr.h, + log/log0recv.c: + Fix Bug#41609 Crash recovery does not work for InnoDB temporary tables + +2009-04-23 The InnoDB Team + + * row/row0mysql.c: + When scanning indexes, report in the error log any error codes + returned by the search function. These error codes will still be + ignored in CHECK TABLE. + +2009-04-23 The InnoDB Team + + * include/trx0types.h: + Define the logical type names trx_id_t, roll_ptr_t, and undo_no_t + and use them in place of dulint everywhere. + +2009-04-18 The InnoDB Team + + * handler/ha_innodb.cc, include/pars0pars.h: + Fix Bug#29125 Windows Server X64: so many compiler warnings + +2009-04-16 The InnoDB Team + + * include/univ.i: + Define REFMAN as the base URL of the MySQL Reference Manual and + use the macro in all diagnostic output. + +2009-04-16 The InnoDB Team + + * CMakeLists.txt, include/os0sync.h, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, srv/srv0start.c, + sync/sync0sync.c: + Use the Windows Interlocked functions for atomic memory + access. + +2009-04-15 The InnoDB Team + + * mysql-test/innodb.result, mysql-test/innodb.test: + Fix Bug#43309 Test main.innodb can't be run twice + +2009-04-14 The InnoDB Team + + * CMakeLists.txt, handler/win_delay_loader.cc, + win-plugin/win-plugin.diff: + Remove statically linked libraries from MySQL (zlib and strings). + +2009-04-11 The InnoDB Team + + * CMakeLists.txt, win-plugin/README, win-plugin/win-plugin.diff: + Rewrite CMakeLists.txt. + +2009-04-07 The InnoDB Team + + * include/os0sync.h, include/sync0rw.ic, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, plug.in, srv/srv0srv.c, + srv/srv0start.c, sync/sync0arr.c, sync/sync0sync.c: + Enable atomics on Solaris (using the libc functions as defined in + atomic.h) if GCC atomic builtins are not present. + +2009-04-07 The InnoDB Team + + * btr/btr0btr.c, dict/dict0dict.c, ibuf/ibuf0ibuf.c, + include/data0data.h, include/data0data.ic, include/data0type.h, + include/data0type.ic, include/dict0dict.h, include/dict0dict.ic, + include/rem0rec.ic, mysql-test/innodb.result, mysql-test/innodb.test, + pars/pars0pars.c, rem/rem0rec.c, row/row0upd.c: + Fix Bug#44032 In ROW_FORMAT=REDUNDANT, update UTF-8 CHAR + to/from NULL is not in-place + +2009-04-07 The InnoDB Team + + * page/page0cur.c: + Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for + indexes of InnoDB table + +2009-04-06 The InnoDB Team + + * handler/ha_innodb.cc: + Make the parameter innodb_change_buffering settable by the + configuration file or mysqld command line options. Before this + fix, the initial value specified for this parameter was ignored. + +2009-04-06 The InnoDB Team + + * sync/sync0rw.c: + Avoid a bogus failure in UNIV_SYNC_DEBUG diagnostics. + +2009-04-02 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: + Add new parameter innodb_spin_wait_delay to set the maximum delay + between polling for a spin lock. + +2009-04-02 The InnoDB Team + + * dict/dict0crea.c, handler/ha_innodb.cc, handler/ha_innodb.h, + include/dict0mem.h, include/row0merge.h, include/row0mysql.h, + mysql-test/innodb-index.result, mysql-test/innodb-index.test, + row/row0merge.c, row/row0sel.c: + In consistent reads, refuse to use newly created indexes that may + lack history. + +2009-03-25 The InnoDB Team + + * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h: + In SHOW ENGINE INNODB MUTEX do not show the status of block->mutex, + block->lock, block->lock->mutex (if applicable) and all mutexes and + rw-locks for which number of os-waits are zero because this can + be overwhelming particularly when the buffer pool is very large. + +2009-03-20 The InnoDB Team + + * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: + Remove the compile-time constant parameters of + recv_recover_page(), recv_scan_log_recs(), and recv_sys_init(). + +2009-03-20 The InnoDB Team + + * data/data0type.c, handler/ha_innodb.cc, include/ha_prototypes.h: + Declare innobase_get_at_most_n_mbchars() in ha_prototypes.h. + +2009-03-20 The InnoDB Team + + * fil/fil0fil.h, fil/fil0fil.c, srv/srv0start.c: + Add the parameter hash_size to fil_init(). + +2009-03-20 The InnoDB Team + + * fil/fil0fil.c: + Refer to fil_system directly, not via local variables. + +2009-03-20 The InnoDB Team + + * page/page0page.c: + In page_validate(), always report the space id, page number and + the name of the index when corruption is noticed. + +2009-03-20 The InnoDB Team + + * include/log0log.h, include/log0log.ic, log/log0log.c: + Add in/out comments or const qualifiers to some function + parameters as appropriate. + +2009-03-20 The InnoDB Team + + * dict/dict0boot.c, dict/dict0dict.c, fsp/fsp0fsp.c, + include/dict0dict.h, include/srv0srv.h, srv/srv0srv.c, + page/page0page.c: + Replace srv_sys->dummy_ind1 and srv_sys->dummy_ind2 with + dict_ind_redundant and dict_ind_compact, which are + initialized by dict_init(). + +2009-03-11 The InnoDB Team + + InnoDB Plugin 1.0.3 released + +2009-03-05 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#43203 Overflow from auto incrementing causes server segv + +2009-02-25 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#42714 AUTO_INCREMENT errors in 5.1.31 + +2009-02-23 The InnoDB Team + + * btr/btr0cur.c: + Fix Bug#43043 Crash on BLOB delete operation + +2009-02-20 The InnoDB Team + + * handler/ha_innodb.cc: + Make innodb_use_sys_malloc=ON the default. + +2009-02-20 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#42400 InnoDB autoinc code can't handle floating-point columns + +2009-02-18 The InnoDB Team + + * include/ut0mem.h, os/os0proc.c, ut/ut0mem.c: + Protect ut_total_allocated_memory with ut_list_mutex in + os_mem_alloc_large() and os_mem_free_large(). The lack of this mutex + protection could cause an assertion failure during fast index + creation. Also, add UNIV_MEM_ALLOC and UNIV_MEM_FREE instrumentation + to os_mem_alloc_large() and os_mem_free_large(), so that Valgrind can + detect more errors. + +2009-02-11 The InnoDB Team + + * handler/ha_innodb.cc: + Make innodb_thread_concurrency=0 the default. The old default value + was 8. A non-zero setting may be useful when InnoDB is showing severe + scalability problems under multiple concurrent connections. + +2009-02-10 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h: + Fix Bug#41676 Table names are case insensitive in locking + +2009-02-10 The InnoDB Team + + * mem/mem0dbg.c, mem/mem0mem.c, mem/mem0pool.c: + When innodb_use_sys_malloc is set, ignore + innodb_additional_mem_pool_size, because nothing will be allocated + from mem_comm_pool. + +2009-02-10 The InnoDB Team + + * ut/ut0mem.c: + Map ut_malloc_low(), ut_realloc(), and ut_free() directly to malloc(), + realloc(), and free() when innodb_use_sys_malloc is set. As a side + effect, ut_total_allocated_memory ("Total memory allocated" in the + "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) will + exclude any memory allocated by these functions when + innodb_use_sys_malloc is set. + +2009-02-10 The InnoDB Team + + * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, + include/buf0buf.ic, include/os0sync.h, include/srv0srv.h, + include/sync0rw.h, include/sync0rw.ic, include/sync0sync.h, + include/sync0sync.ic, include/univ.i, row/row0sel.c, srv/srv0srv.c, + srv/srv0start.c, sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: + On those platforms that support it, implement the synchronization + primitives of InnoDB mutexes and read/write locks with GCC atomic + builtins instead of Pthreads mutexes and InnoDB mutexes. These changes + are based on a patch supplied by Mark Callaghan of Google under a BSD + license. + +2009-01-30 The InnoDB Team + + * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, + include/btr0sea.h, include/buf0buf.h, include/sync0sync.h, + sync/sync0sync.c: + Make the configuration parameter innodb_adaptive_hash_index dynamic, + so that it can be changed at runtime. + +2009-01-29 The InnoDB Team + + * handler/ha_innodb.cc, ibuf/ibuf0ibuf.c, include/ibuf0ibuf.h, + include/ibuf0ibuf.ic: + Implement the settable global variable innodb_change_buffering, + with the allowed values 'none' and 'inserts'. The default value + 'inserts' enables the buffering of inserts to non-unique secondary + index trees when the B-tree leaf page is not in the buffer pool. + +2009-01-27 The InnoDB Team + + * buf/buf0lru.c: + Fix a race condition in buf_LRU_invalidate_tablespace(): The + compressed page size (zip_size) was read while the block descriptor + was no longer protected by a mutex. This could lead to corruption + when a table is dropped on a busy system that contains compressed + tables. + +2009-01-26 The InnoDB Team + + * btr/btr0sea.c, buf/buf0buf.c, include/buf0buf.h, include/buf0buf.ic, + include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c: + Implement buf_block_align() with pointer arithmetics, as it is in the + built-in InnoDB distributed with MySQL. Do not acquire the buffer pool + mutex before buf_block_align(). This removes a scalability bottleneck + in the adaptive hash index lookup. In CHECK TABLE, check that + buf_pool->page_hash is consistent with buf_block_align(). + +2009-01-23 The InnoDB Team + + * btr/btr0sea.c: + Fix Bug#42279 Race condition in btr_search_drop_page_hash_when_freed() + +2009-01-23 The InnoDB Team + + * buf/buf0buf.c, include/buf0buf.h: + Remove the unused mode BUF_GET_NOWAIT of buf_page_get_gen() + +2009-01-20 The InnoDB Team + + * include/rem0rec.h, include/rem0rec.ic: + Fix Bug#41571 MySQL segfaults after innodb recovery + +2009-01-20 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#42152 Race condition in lock_is_table_exclusive() + +2009-01-14 The InnoDB Team + + * include/trx0roll.h, trx/trx0roll.c, trx/trx0trx.c: + Fix Bug#38187 Error 153 when creating savepoints + +2009-01-14 The InnoDB Team + + * dict/dict0load.c: + Fix Bug#42075 dict_load_indexes failure in dict_load_table will + corrupt the dictionary cache + +2009-01-13 The InnoDB Team + + * buf/buf0buddy.c, dict/dict0dict.c, dict/dict0mem.c, fil/fil0fil.c, + ha/ha0storage.c, handler/ha_innodb.cc, handler/win_delay_loader.cc, + include/buf0buf.ic, include/dict0dict.ic, include/hash0hash.h, + thr/thr0loc.c, trx/trx0i_s.c: + Add the parameter ASSERTION to HASH_SEARCH() macro, and use it for + light validation of the traversed items in hash table lookups when + UNIV_DEBUG is enabled. + +2009-01-09 The InnoDB Team + + * buf/buf0flu.c, include/buf0flu.h, include/buf0flu.ic: + Remove unused code from the functions + buf_flush_insert_into_flush_list() and + buf_flush_insert_sorted_into_flush_list(). + +2009-01-09 The InnoDB Team + + * buf/buf0flu.c: + Simplify the functions buf_flush_try_page() and buf_flush_batch(). Add + debug assertions and an explanation to buf_flush_write_block_low(). + +2009-01-07 The InnoDB Team + + * row/row0merge.c: + Fix a bug in recovery when dropping temporary indexes. + +2009-01-07 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h, handler/handler0alter.cc: + Fix Bug#41680 calls to trx_allocate_for_mysql are not consistent + +2009-01-07 The InnoDB Team + + * mysql-test/innodb_bug41904.result, mysql-test/innodb_bug41904.test, + row/row0merge.c: + Fix Bug#41904 create unique index problem + +2009-01-02 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, mem/mem0pool.c, + mysql-test/innodb-use-sys-malloc-master.opt, + mysql-test/innodb-use-sys-malloc.result, + mysql-test/innodb-use-sys-malloc.test, srv/srv0srv.c, srv/srv0start.c: + Implement the configuration parameter innodb_use_sys_malloc (false by + default), for disabling InnoDB's internal memory allocator and using + system malloc/free instead. The "BUFFER POOL AND MEMORY" section of + SHOW ENGINE INNODB STATUS will report "in additional pool allocated + allocated 0" when innodb_use_sys_malloc is set. + +2008-12-30 The InnoDB Team + + * btr/btr0btr.c: + When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, + compress the page at the same time. This is necessary, because the + column information stored on the compressed page will differ between + leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. + This bug can make InnoDB crash when all rows of a compressed table are + deleted. + +2008-12-17 The InnoDB Team + + * include/row0sel.h, include/row0upd.h, pars/pars0pars.c, + row/row0mysql.c, row/row0sel.c, row/row0upd.c: + Remove update-in-place select from the internal SQL interpreter. It + was only used for updating the InnoDB internal data dictionary when + renaming or dropping tables. It could have caused deadlocks when + acquiring latches on insert buffer bitmap pages. + +2008-12-17 The InnoDB Team + + * btr/btr0sea.c, buf/buf0buf.c, buf/buf0lru.c, ha/ha0ha.c, + ha/hash0hash.c, include/buf0buf.h, include/ha0ha.h, include/ha0ha.ic, + include/hash0hash.h, include/univ.i: + Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling adaptive + hash index debugging independently of UNIV_DEBUG. + +2008-12-16 The InnoDB Team + + * btr/btr0cur.c: + Do not update the free bits in the insert buffer bitmap when inserting + or deleting from the insert buffer B-tree. Assert that records in the + insert buffer B-tree are never updated. + +2008-12-12 The InnoDB Team + + * buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c, ibuf/ibuf0ibuf.c, + include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, + include/ibuf0types.h: + Clean up the insert buffer subsystem so that only one insert + buffer B-tree exists. + Originally, there were provisions in InnoDB for multiple insert + buffer B-trees, apparently one for each tablespace. + When Heikki Tuuri implemented multiple InnoDB tablespaces in + MySQL/InnoDB 4.1, he made the insert buffer live only in the + system tablespace (space 0) but left the provisions in the code. + +2008-12-11 The InnoDB Team + + * include/srv0srv.h, os/os0proc.c, srv/srv0srv.c: + Fix the issue that the InnoDB plugin fails if innodb_buffer_pool_size + is defined bigger than 4096M on 64-bit Windows. This bug should not + have affected other 64-bit systems. + +2008-12-09 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#40386 Not flushing query cache after truncate. + +2008-12-09 The InnoDB Team + + * handler/ha_innodb.cc, srv/srv0srv.c, trx/trx0trx.c: + Fix Bug#40760 "set global innodb_thread_concurrency = 0;" is not safe + +2008-12-04 The InnoDB Team + + * handler/ha_innodb.cc, handler/mysql_addons.cc, + include/mysql_addons.h, trx/trx0i_s.c, win-plugin/win-plugin.diff: + Remove dependencies to MySQL internals (defining MYSQL_SERVER). + +2008-12-02 The InnoDB Team + + * page/page0cur.c: + When allocating space for a record from the free list of previously + purged records, zero out the DB_TRX_ID and DB_ROLL_PTR of the purged + record if the new record would not overwrite these fields. This fixes + a harmless content mismatch reported by page_zip_validate(). + +2008-12-02 The InnoDB Team + + * row/row0merge.c: + Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the + loop will actually be entered and temporary indexes be dropped during + crash recovery. + +2008-12-01 The InnoDB Team + + InnoDB Plugin 1.0.2 released + +2008-10-31 The InnoDB Team + + * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, + include/row0mysql.h, include/trx0trx.h, include/univ.i, + include/ut0vec.h, include/ut0vec.ic, lock/lock0lock.c, + row/row0mysql.c, trx/trx0trx.c: + Fix Bug#26316 Triggers create duplicate entries on auto-increment + columns + +2008-10-30 The InnoDB Team + + * handler/ha_innodb.cc, handler/handler0vars.h, + handler/win_delay_loader.cc, mysql-test/innodb_bug40360.result, + mysql-test/innodb_bug40360.test: + Fix Bug#40360 Binlog related errors with binlog off + +2008-10-29 The InnoDB Team + + * include/data0type.ic: + Fix Bug#40369 dtype_get_sql_null_size() returns 0 or 1, not the size + +2008-10-29 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: + Fix Bug#38189 innodb_stats_on_metadata missing + +2008-10-28 The InnoDB Team + + * CMakeLists.txt, ha_innodb.def, handler/ha_innodb.cc, + handler/handler0alter.cc, handler/handler0vars.h, handler/i_s.cc, + handler/win_delay_loader.cc, win-plugin/*: + Implemented the delayloading of externals for the plugin on Windows. + This makes it possible to build a dynamic plugin (ha_innodb.dll) on + Windows. + +2008-10-27 The InnoDB Team + + * CMakeLists.txt: + Fix Bug#19424 InnoDB: Possibly a memory overrun of the buffer being + freed (64-bit Visual C) + +2008-10-23 The InnoDB Team + + * ibuf/ibuf0ibuf.c: + ibuf_delete_rec(): When the cursor to the insert buffer record + cannot be restored, do not complain if the tablespace does not + exist, because the insert buffer record may have been discarded by + some other thread. This bug has existed in MySQL/InnoDB since + version 4.1, when innodb_file_per_table was implemented. + This may fix Bug#27276 InnoDB Error: ibuf cursor restoration fails. + +2008-10-22 The InnoDB Team + + * dict/dict0dict.c, dict/dict0mem.c, handler/ha_innodb.cc, + handler/ha_innodb.h, include/dict0dict.h, include/dict0mem.h, + row/row0mysql.c: + Fix Bug#39830 Table autoinc value not updated on first insert + Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in + ::info + Fix Bug#36411 "Failed to read auto-increment value from storage + engine" in 5.1.24 auto-inc + +2008-10-22 The InnoDB Team + + * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: + Fix Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout + errors + +2008-10-16 The InnoDB Team + + * dict/dict0dict.c, mysql-test/innodb-index.result, + mysql-test/innodb-index.test: + Skip the undo log size check when creating REDUNDANT and COMPACT + tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column + prefix indexes require that prefixes of externally stored columns + be written to the undo log. This may make the undo log record + bigger than the record on the B-tree page. The maximum size of an + undo log record is the page size. That must be checked for, in + dict_index_add_to_cache(). However, this restriction must not + be enforced on REDUNDANT or COMPACT tables. + +2008-10-15 The InnoDB Team + + * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, row/row0sel.c, + row/row0upd.c: + When the server crashes while freeing an externally stored column + of a compressed table, the BTR_EXTERN_LEN field in the BLOB + pointer will be written as 0. Tolerate this in the functions that + deal with externally stored columns. This fixes problems after + crash recovery, in the rollback of incomplete transactions, and in + the purge of delete-marked records. + +2008-10-15 The InnoDB Team + + * btr/btr0btr.c, include/page0zip.h, page/page0zip.c, include/univ.i: + When a B-tree node of a compressed table is split or merged, the + compression may fail. In this case, the entire compressed page + will be copied and the excess records will be deleted. However, + page_zip_copy(), now renamed to page_zip_copy_recs(), copied too + many fields in the page header, overwriting PAGE_BTR_SEG_LEAF and + PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused + corruption of compressed tables. Furthermore, the lock table and + the adaptive hash index would be corrupted, because we forgot to + update them when invoking page_zip_copy_recs(). + + Introduce the symbol UNIV_ZIP_DEBUG for triggering the copying of + compressed pages more often, for debugging purposes. + +2008-10-10 The InnoDB Team + + * handler/handler0alter.cc, include/row0merge.h, row/row0merge.c, + row/row0mysql.c: + Fix some locking issues, mainly in fast index creation. The + InnoDB data dictionary cache should be latched whenever a + transaction is holding locks on any data dictionary tables. + Otherwise, lock waits or deadlocks could occur. Furthermore, the + data dictionary transaction must be committed (and the locks + released) before the data dictionary latch is released. + + ha_innobase::add_index(): Lock the data dictionary before renaming + or dropping the created indexes, because neither operation will + commit the data dictionary transaction. + + ha_innobase::final_drop_index(): Commit the transactions before + unlocking the data dictionary. + +2008-10-09 The InnoDB Team + + * buf/buf0lru.c: + Fix Bug#39939 DROP TABLE/DISCARD TABLESPACE takes long time in + buf_LRU_invalidate_tablespace() + +2008-10-08 The InnoDB Team + + * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, + row/row0merge.c, row/row0mysql.c: + When dropping a table, hold the data dictionary latch until the + transaction has been committed. The data dictionary latch is + supposed to prevent lock waits and deadlocks in the data + dictionary tables. Due to this bug, DROP TABLE could cause a + deadlock or hang. Note that because of Bug#33650 and Bug#39833, + MySQL may also drop a (temporary) table when executing CREATE INDEX + or ALTER TABLE ... ADD INDEX. + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb_bug39438-master.opt, + mysql-test/innodb_bug39438.result, mysql-test/innodb_bug39438.test: + Fix Bug#39438 Testcase for Bug#39436 crashes on 5.1 in + fil_space_get_latch + +2008-10-04 The InnoDB Team + + * include/lock0lock.h, lock/lock0lock.c, + mysql-test/innodb_bug38231.result, mysql-test/innodb_bug38231.test, + row/row0mysql.c: + Fix Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + + LOCK / UNLOCK + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in + ::info + +2008-10-04 The InnoDB Team + + * handler/ha_innodb.cc, handler/ha_innodb.h: + Fix Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed + tables + +2008-10-04 The InnoDB Team + + * dict/dict0dict.c, handler/ha_innodb.cc, handler/ha_innodb.h, + include/dict0dict.h, include/dict0mem.h, row/row0mysql.c: + Fix Bug#39830 Table autoinc value not updated on first insert + +2008-10-03 The InnoDB Team + + * mysql-test/innodb-index.test, mysql-test/innodb-index.result, + mysql-test/innodb-timeout.test, mysql-test/innodb-timeout.result, + srv/srv0srv.c, include/srv0srv.h, handler/ha_innodb.cc, + include/ha_prototypes.h: + Fix Bug#36285 innodb_lock_wait_timeout is not dynamic, not per session + +2008-09-19 The InnoDB Team + + * os/os0proc.c: + Fix a memory leak on Windows. The memory leak was due to wrong + parameters passed into VirtualFree() call. As the result, the + call fails with Windows error 87. + +2008-09-17 The InnoDB Team + + * mysql-test/innodb.result, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, mysql-test/innodb.test, ibuf/ibuf0ibuf.c, + dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, + include/dict0dict.h, include/trx0trx.h, dict/dict0dict.c, + trx/trx0trx.c, include/ha_prototypes.h, handler/ha_innodb.cc: + When creating an index in innodb_strict_mode, check that the + maximum record size will never exceed the B-tree page size limit. + For uncompressed tables, there should always be enough space for + two records in an empty B-tree page. For compressed tables, there + should be enough space for storing two node pointer records or one + data record in an empty page in uncompressed format. + The purpose of this check is to guarantee that INSERT or UPDATE + will never fail due to too big record size. + +2008-09-17 The InnoDB Team + + * btr/btr0cur.c, data/data0data.c, include/page0zip.h, + include/page0zip.ic, page/page0zip.c, mysql-test/innodb_bug36172.test: + Prevent infinite B-tree page splits in compressed tables by + ensuring that there will always be enough space for two node + pointer records in an empty B-tree page. Also, require that at + least one data record will fit in an empty compressed page. This + will reduce the maximum size of records in compressed tables. + +2008-09-09 The InnoDB Team + + * mysql-test/innodb.result: + Fix the failing innodb test by merging changes that MySQL made to + that file (r2646.12.1 in MySQL BZR repository) + +2008-09-09 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#38839 auto increment does not work properly with InnoDB after + update + +2008-09-09 The InnoDB Team + + * dict/dict0dict.c, handler/handler0alter.cc, include/dict0dict.h, + mysql-test/innodb-index.result, mysql-test/innodb-index.test: + Fix Bug#38786 InnoDB plugin crashes on drop table/create table with FK + +2008-08-21 The InnoDB Team + + * handler/ha_innodb.cc, include/ha_prototypes.h, row/row0sel.c: + Fix Bug#37885 row_search_for_mysql may gap lock unnecessarily with SQL + comments in query + +2008-08-21 The InnoDB Team + + * handler/ha_innodb.cc: + Fix Bug#38185 ha_innobase::info can hold locks even when called with + HA_STATUS_NO_LOCK + +2008-08-18 The InnoDB Team + + * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.ic, include/univ.i: + Introduce UNIV_LRU_DEBUG for debugging the LRU buffer pool cache + +2008-08-08 The InnoDB Team + + * buf/buf0lru.c, include/buf0buf.h: + Fix two recovery bugs that could lead to a crash in debug builds with + small buffer size + +2008-08-07 The InnoDB Team + + * btr/btr0cur.c, handler/ha_innodb.cc, include/srv0srv.h, + srv/srv0srv.c: + Add a parameter innodb_stats_sample_pages to allow users to control + the number of index dives when InnoDB estimates the cardinality of + an index (ANALYZE TABLE, SHOW TABLE STATUS etc) + +2008-08-07 The InnoDB Team + + * trx/trx0i_s.c: + Fix a bug that would lead to a crash if a SELECT was issued from the + INFORMATION_SCHEMA tables and there are rolling back transactions at + the same time + +2008-08-06 The InnoDB Team + + * btr/btr0btr.c, btr/btr0cur.c, ibuf/ibuf0ibuf.c, include/btr0cur.h, + include/trx0roll.h, include/trx0types.h, row/row0purge.c, + row/row0uins.c, row/row0umod.c, trx/trx0roll.c: + In the rollback of incomplete transactions after crash recovery, + tolerate clustered index records whose externally stored columns + have not been written. + +2008-07-30 The InnoDB Team + + * trx/trx0trx.c: + Fixes a race in recovery where the recovery thread recovering a + PREPARED trx and the background rollback thread can both try + to free the trx after its status is set to COMMITTED_IN_MEMORY. + +2008-07-29 The InnoDB Team + + * include/trx0rec.h, row/row0purge.c, row/row0vers.c, trx/trx0rec.c: + Fix a BLOB corruption bug + +2008-07-15 The InnoDB Team + + * btr/btr0sea.c, dict/dict0dict.c, include/btr0sea.h: + Fixed a timing hole where a thread dropping an index can free the + in-memory index struct while another thread is still using that + structure to remove entries from adaptive hash index belonging + to one of the pages that belongs to the index being dropped. + +2008-07-04 The InnoDB Team + + * mysql-test/innodb-index.result: + Fix the failing innodb-index test by adjusting the result to a new + MySQL behavior (the change occured in BZR-r2667) + +2008-07-03 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: + Remove the negative test cases that produce warnings + +2008-07-02 The InnoDB Team + + * mysql-test/innodb-replace.result, mysql-test/innodb-index.test: + Disable part of innodb-index test because MySQL changed its behavior + and is not calling ::add_index() anymore when adding primary index on + non-NULL column + +2008-07-01 The InnoDB Team + + * mysql-test/innodb-replace.result, mysql-test/innodb-replace.test: + Fix the failing innodb-replace test by merging changes that MySQL + made to that file (r2659 in MySQL BZR repository) + +2008-07-01 The InnoDB Team + + * lock/lock0lock.c: + Fix Bug#36942 Performance problem in lock_get_n_rec_locks (SHOW INNODB + STATUS) + +2008-07-01 The InnoDB Team + + * ha/ha0ha.c: + Fix Bug#36941 Performance problem in ha_print_info (SHOW INNODB + STATUS) + +2008-07-01 The InnoDB Team + + * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, + mysql-test/innodb-autoinc.test: + Fix Bug#37531 After truncate, auto_increment behaves incorrectly for + InnoDB + +2008-06-19 The InnoDB Team + + * handler/ha_innodb.cc: + Rewrite the function innodb_plugin_init() to support parameters in + different order (in static and dynamic InnoDB) and to support more + parameters in the static InnoDB + +2008-06-19 The InnoDB Team + + * handler/handler0alter.cc: + Fix a bug in ::add_index() which set the transaction state to "active" + but never restored it to the original value. This bug caused warnings + to be printed by the rpl.rpl_ddl mysql-test. + +2008-06-19 The InnoDB Team + + * mysql-test/patches: + Add a directory which contains patches, which need to be applied to + MySQL source in order to get some mysql-tests to succeed. The patches + cannot be committed in MySQL repository because they are specific to + the InnoDB plugin. + +2008-06-19 The InnoDB Team + + * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test, + row/row0row.c: + Fix an anomaly when updating a record with BLOB prefix + +2008-06-18 The InnoDB Team + + * include/trx0sys.h, srv/srv0start.c, trx/trx0sys.c: + Fix a bug in recovery which was a side effect of the file_format_check + changes + +2008-06-09 The InnoDB Team + + * mysql-test/innodb.result: + Fix the failing innodb test by merging changes that MySQL made to that + file + +2008-06-06 The InnoDB Team + + * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h, + include/srv0srv.h, srv/srv0srv.c: + Fix Bug#36600 SHOW STATUS takes a lot of CPU in + buf_get_latched_pages_number + + * handler/ha_innodb.cc, os/os0file.c: + Fix Bug#11894 innodb_file_per_table crashes w/ Windows .sym symbolic + link hack + + * include/ut0ut.h, srv/srv0srv.c, ut/ut0ut.c: + Fix Bug#36819 ut_usectime does not handle errors from gettimeofday + + * handler/ha_innodb.cc: + Fix Bug#35602 Failed to read auto-increment value from storage engine + + * srv/srv0start.c: + Fix Bug#36149 Read buffer overflow in srv0start.c found during "make + test" + +2008-05-08 The InnoDB Team + + * btr/btr0btr.c, mysql-test/innodb_bug36172.result, + mysql-test/innodb_bug36172.test: + Fix Bug#36172 insert into compressed innodb table crashes + +2008-05-08 The InnoDB Team + + InnoDB Plugin 1.0.1 released + +2008-05-06 The InnoDB Team + + * handler/ha_innodb.cc, include/srv0srv.h, include/sync0sync.h, + include/trx0sys.h, mysql-test/innodb-zip.result, + mysql-test/innodb-zip.test, srv/srv0srv.c, srv/srv0start.c, + sync/sync0sync.c, trx/trx0sys.c: + Implement the system tablespace tagging + + * handler/ha_innodb.cc, handler/i_s.cc, include/univ.i, + srv/srv0start.c: + Add InnoDB version in INFORMATION_SCHEMA.PLUGINS.PLUGIN_VERSION, + in the startup message and in a server variable innodb_version. + + * sync/sync0sync.c: + Fix a bug in the sync debug code where a lock with level + SYNC_LEVEL_VARYING would cause an assertion failure when a thread + tried to release it. + +2008-04-30 The InnoDB Team + + * Makefile.am: + Fix Bug#36434 ha_innodb.so is installed in the wrong directory + + * handler/ha_innodb.cc: + Merge change from MySQL (Fix Bug#35406 5.1-opt crashes on select from + I_S.REFERENTIAL_CONSTRAINTS): + ChangeSet@1.2563, 2008-03-18 19:42:04+04:00, gluh@mysql.com +1 -0 + + * scripts/install_innodb_plugins.sql: + Added + + * mysql-test/innodb.result: + Merge change from MySQL (this fixes the failing innodb test): + ChangeSet@1.1810.3601.4, 2008-02-07 02:33:21+04:00 + + * row/row0sel.c: + Fix Bug#35226 RBR event crashes slave + + * handler/ha_innodb.cc: + Change the fix for Bug#32440 to show bytes instead of kilobytes in + INFORMATION_SCHEMA.TABLES.DATA_FREE + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test: + Fix Bug#29507 TRUNCATE shows to many rows effected + + * handler/ha_innodb.cc, mysql-test/innodb.result, + mysql-test/innodb.test: + Fix Bug#35537 Innodb doesn't increment handler_update and + handler_delete + +2008-04-29 The InnoDB Team + + * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: + Fix Bug#36310 InnoDB plugin crash + +2008-04-23 The InnoDB Team + + * mysql-test/innodb_bug36169.result, mysql-test/innodb_bug36169.test, + row/row0mysql.c: + Fix Bug#36169 create innodb compressed table with too large row size + crashed + + * (outside the source tree): + Fix Bug#36222 New InnoDB plugin 1.0 has wrong MKDIR_P defined in + Makefile.in + +2008-04-15 The InnoDB Team + + InnoDB Plugin 1.0.0 released diff --git a/perfschema/Doxyfile b/perfschema/Doxyfile new file mode 100644 index 00000000000..62aa7dd8abc --- /dev/null +++ b/perfschema/Doxyfile @@ -0,0 +1,1419 @@ +# Doxyfile 1.5.6 + +# Usage: SVNVERSION=-r$(svnversion) doxygen + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file +# that follow. The default is UTF-8 which is also the encoding used for all +# text before the first occurrence of this tag. Doxygen uses libiconv (or the +# iconv built into libc) for the transcoding. See +# http://www.gnu.org/software/libiconv for the list of possible encodings. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = "InnoDB Plugin" + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = 1.0$(SVNVERSION) + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. 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Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, +# Croatian, Czech, Danish, Dutch, Farsi, Finnish, French, German, Greek, +# Hungarian, Italian, Japanese, Japanese-en (Japanese with English messages), +# Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, Polish, +# Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, +# and Ukrainian. + +OUTPUT_LANGUAGE = English + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. 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This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like regular Qt-style comments +# (thus requiring an explicit @brief command for a brief description.) + +JAVADOC_AUTOBRIEF = NO + +# If the QT_AUTOBRIEF tag is set to YES then Doxygen will +# interpret the first line (until the first dot) of a Qt-style +# comment as the brief description. If set to NO, the comments +# will behave just like regular Qt-style comments (thus requiring +# an explicit \brief command for a brief description.) + +QT_AUTOBRIEF = NO + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. 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The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = YES + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java +# sources only. Doxygen will then generate output that is more tailored for +# Java. For instance, namespaces will be presented as packages, qualified +# scopes will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran +# sources only. Doxygen will then generate output that is more tailored for +# Fortran. + +OPTIMIZE_FOR_FORTRAN = NO + +# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL +# sources. 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So +# typedef struct TypeS {} TypeT, will appear in the documentation as a struct +# with name TypeT. When disabled the typedef will appear as a member of a file, +# namespace, or class. And the struct will be named TypeS. 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If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the +# hierarchy of group names into alphabetical order. If set to NO (the default) +# the group names will appear in their defined order. + +SORT_GROUP_NAMES = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is NO. + +SHOW_DIRECTORIES = NO + +# Set the SHOW_FILES tag to NO to disable the generation of the Files page. +# This will remove the Files entry from the Quick Index and from the +# Folder Tree View (if specified). The default is YES. + +SHOW_FILES = YES + +# Set the SHOW_NAMESPACES tag to NO to disable the generation of the +# Namespaces page. This will remove the Namespaces entry from the Quick Index +# and from the Folder Tree View (if specified). The default is YES. + +SHOW_NAMESPACES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from +# the version control system). Doxygen will invoke the program by executing (via +# popen()) the command , where is the value of +# the FILE_VERSION_FILTER tag, and is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = YES + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be abled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = . include/univ.i + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is +# also the default input encoding. Doxygen uses libiconv (or the iconv built +# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for +# the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90 + +FILE_PATTERNS = *.c *.ic *.h + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = ut0auxconf_* + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command , where +# is the value of the INPUT_FILTER tag, and is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = NO + +# If the REFERENCES_RELATION tag is set to YES +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = NO + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. Otherwise they will link to the documentstion. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = NO + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_DOCSET tag is set to YES, additional index files +# will be generated that can be used as input for Apple's Xcode 3 +# integrated development environment, introduced with OSX 10.5 (Leopard). +# To create a documentation set, doxygen will generate a Makefile in the +# HTML output directory. Running make will produce the docset in that +# directory and running "make install" will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find +# it at startup. + +GENERATE_DOCSET = NO + +# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the +# feed. A documentation feed provides an umbrella under which multiple +# documentation sets from a single provider (such as a company or product suite) +# can be grouped. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that +# should uniquely identify the documentation set bundle. This should be a +# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen +# will append .docset to the name. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. For this to work a browser that supports +# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox +# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). + +HTML_DYNAMIC_SECTIONS = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING +# is used to encode HtmlHelp index (hhk), content (hhc) and project file +# content. + +CHM_INDEX_ENCODING = + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. +# If the tag value is set to FRAME, a side panel will be generated +# containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. Other possible values +# for this tag are: HIERARCHIES, which will generate the Groups, Directories, +# and Class Hiererachy pages using a tree view instead of an ordered list; +# ALL, which combines the behavior of FRAME and HIERARCHIES; and NONE, which +# disables this behavior completely. For backwards compatibility with previous +# releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE +# respectively. + +GENERATE_TREEVIEW = NONE + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +# Use this tag to change the font size of Latex formulas included +# as images in the HTML documentation. The default is 10. Note that +# when you change the font size after a successful doxygen run you need +# to manually remove any form_*.png images from the HTML output directory +# to force them to be regenerated. + +FORMULA_FONTSIZE = 10 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = YES + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = YES + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = YES + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = YES + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = DOXYGEN UNIV_DEBUG UNIV_SYNC_DEBUG __attribute__()= + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = UT_LIST_BASE_NODE_T UT_LIST_NODE_T + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse +# the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = NO + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option is superseded by the HAVE_DOT option below. This is only a +# fallback. It is recommended to install and use dot, since it yields more +# powerful graphs. + +CLASS_DIAGRAMS = YES + +# You can define message sequence charts within doxygen comments using the \msc +# command. Doxygen will then run the mscgen tool (see +# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the +# documentation. The MSCGEN_PATH tag allows you to specify the directory where +# the mscgen tool resides. If left empty the tool is assumed to be found in the +# default search path. + +MSCGEN_PATH = + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = YES + +# By default doxygen will write a font called FreeSans.ttf to the output +# directory and reference it in all dot files that doxygen generates. This +# font does not include all possible unicode characters however, so when you need +# these (or just want a differently looking font) you can specify the font name +# using DOT_FONTNAME. You need need to make sure dot is able to find the font, +# which can be done by putting it in a standard location or by setting the +# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory +# containing the font. + +DOT_FONTNAME = FreeSans + +# By default doxygen will tell dot to use the output directory to look for the +# FreeSans.ttf font (which doxygen will put there itself). If you specify a +# different font using DOT_FONTNAME you can set the path where dot +# can find it using this tag. + +DOT_FONTPATH = + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = NO + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT options are set to YES then +# doxygen will generate a call dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable call graphs +# for selected functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then +# doxygen will generate a caller dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable caller +# graphs for selected functions only using the \callergraph command. + +CALLER_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of +# nodes that will be shown in the graph. If the number of nodes in a graph +# becomes larger than this value, doxygen will truncate the graph, which is +# visualized by representing a node as a red box. Note that doxygen if the +# number of direct children of the root node in a graph is already larger than +# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note +# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. + +DOT_GRAPH_MAX_NODES = 50 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that the size of a graph can be further restricted by +# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. + +MAX_DOT_GRAPH_DEPTH = 3 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is enabled by default, which results in a transparent +# background. Warning: Depending on the platform used, enabling this option +# may lead to badly anti-aliased labels on the edges of a graph (i.e. they +# become hard to read). + +DOT_TRANSPARENT = YES + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = NO + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to the search engine +#--------------------------------------------------------------------------- + +# The SEARCHENGINE tag specifies whether or not a search engine should be +# used. If set to NO the values of all tags below this one will be ignored. + +SEARCHENGINE = NO diff --git a/perfschema/Makefile.am b/perfschema/Makefile.am new file mode 100644 index 00000000000..4e680134c0c --- /dev/null +++ b/perfschema/Makefile.am @@ -0,0 +1,343 @@ +# Copyright (C) 2001, 2004, 2006 MySQL AB & Innobase Oy +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +# Process this file with automake to create Makefile.in + +MYSQLDATAdir= $(localstatedir) +MYSQLSHAREdir= $(pkgdatadir) +MYSQLBASEdir= $(prefix) +MYSQLLIBdir= $(pkglibdir) +pkgplugindir= $(pkglibdir)/plugin +INCLUDES= -I$(top_srcdir)/include -I$(top_builddir)/include \ + -I$(top_srcdir)/regex \ + -I$(srcdir)/include \ + -I$(top_srcdir)/sql \ + -I$(srcdir) @ZLIB_INCLUDES@ + +DEFS= @DEFS@ + +noinst_HEADERS= \ + handler/ha_innodb.h \ + handler/i_s.h \ + include/btr0btr.h \ + include/btr0btr.ic \ + include/btr0cur.h \ + include/btr0cur.ic \ + include/btr0pcur.h \ + include/btr0pcur.ic \ + include/btr0sea.h \ + include/btr0sea.ic \ + include/btr0types.h \ + include/buf0buddy.h \ + include/buf0buddy.ic \ + include/buf0buf.h \ + include/buf0buf.ic \ + include/buf0flu.h \ + include/buf0flu.ic \ + include/buf0lru.h \ + include/buf0lru.ic \ + include/buf0rea.h \ + include/buf0types.h \ + include/data0data.h \ + include/data0data.ic \ + include/data0type.h \ + include/data0type.ic \ + include/data0types.h \ + include/db0err.h \ + include/dict0boot.h \ + include/dict0boot.ic \ + include/dict0crea.h \ + include/dict0crea.ic \ + include/dict0dict.h \ + include/dict0dict.ic \ + include/dict0load.h \ + include/dict0load.ic \ + include/dict0mem.h \ + include/dict0mem.ic \ + include/dict0types.h \ + include/dyn0dyn.h \ + include/dyn0dyn.ic \ + include/eval0eval.h \ + include/eval0eval.ic \ + include/eval0proc.h \ + include/eval0proc.ic \ + include/fil0fil.h \ + include/fsp0fsp.h \ + include/fsp0fsp.ic \ + include/fsp0types.h \ + include/fut0fut.h \ + include/fut0fut.ic \ + include/fut0lst.h \ + include/fut0lst.ic \ + include/ha0ha.h \ + include/ha0ha.ic \ + include/ha0storage.h \ + include/ha0storage.ic \ + include/ha_prototypes.h \ + include/handler0alter.h \ + include/hash0hash.h \ + include/hash0hash.ic \ + include/ibuf0ibuf.h \ + include/ibuf0ibuf.ic \ + include/ibuf0types.h \ + include/lock0iter.h \ + include/lock0lock.h \ + include/lock0lock.ic \ + include/lock0priv.h \ + include/lock0priv.ic \ + include/lock0types.h \ + include/log0log.h \ + include/log0log.ic \ + include/log0recv.h \ + include/log0recv.ic \ + include/mach0data.h \ + include/mach0data.ic \ + include/mem0dbg.h \ + include/mem0dbg.ic \ + include/mem0mem.h \ + include/mem0mem.ic \ + include/mem0pool.h \ + include/mem0pool.ic \ + include/mtr0log.h \ + include/mtr0log.ic \ + include/mtr0mtr.h \ + include/mtr0mtr.ic \ + include/mtr0types.h \ + include/mysql_addons.h \ + include/os0file.h \ + include/os0proc.h \ + include/os0proc.ic \ + include/os0sync.h \ + include/os0sync.ic \ + include/os0thread.h \ + include/os0thread.ic \ + include/page0cur.h \ + include/page0cur.ic \ + include/page0page.h \ + include/page0page.ic \ + include/page0types.h \ + include/page0zip.h \ + include/page0zip.ic \ + include/pars0grm.h \ + include/pars0opt.h \ + include/pars0opt.ic \ + include/pars0pars.h \ + include/pars0pars.ic \ + include/pars0sym.h \ + include/pars0sym.ic \ + include/pars0types.h \ + include/que0que.h \ + include/que0que.ic \ + include/que0types.h \ + include/read0read.h \ + include/read0read.ic \ + include/read0types.h \ + include/rem0cmp.h \ + include/rem0cmp.ic \ + include/rem0rec.h \ + include/rem0rec.ic \ + include/rem0types.h \ + include/row0ext.h \ + include/row0ext.ic \ + include/row0ins.h \ + include/row0ins.ic \ + include/row0merge.h \ + include/row0mysql.h \ + include/row0mysql.ic \ + include/row0purge.h \ + include/row0purge.ic \ + include/row0row.h \ + include/row0row.ic \ + include/row0sel.h \ + include/row0sel.ic \ + include/row0types.h \ + include/row0uins.h \ + include/row0uins.ic \ + include/row0umod.h \ + include/row0umod.ic \ + include/row0undo.h \ + include/row0undo.ic \ + include/row0upd.h \ + include/row0upd.ic \ + include/row0vers.h \ + include/row0vers.ic \ + include/srv0que.h \ + include/srv0srv.h \ + include/srv0srv.ic \ + include/srv0start.h \ + include/sync0arr.h \ + include/sync0arr.ic \ + include/sync0rw.h \ + include/sync0rw.ic \ + include/sync0sync.h \ + include/sync0sync.ic \ + include/sync0types.h \ + include/thr0loc.h \ + include/thr0loc.ic \ + include/trx0i_s.h \ + include/trx0purge.h \ + include/trx0purge.ic \ + include/trx0rec.h \ + include/trx0rec.ic \ + include/trx0roll.h \ + include/trx0roll.ic \ + include/trx0rseg.h \ + include/trx0rseg.ic \ + include/trx0sys.h \ + include/trx0sys.ic \ + include/trx0trx.h \ + include/trx0trx.ic \ + include/trx0types.h \ + include/trx0undo.h \ + include/trx0undo.ic \ + include/trx0xa.h \ + include/univ.i \ + include/usr0sess.h \ + include/usr0sess.ic \ + include/usr0types.h \ + include/ut0auxconf.h \ + include/ut0byte.h \ + include/ut0byte.ic \ + include/ut0dbg.h \ + include/ut0list.h \ + include/ut0list.ic \ + include/ut0lst.h \ + include/ut0mem.h \ + include/ut0mem.ic \ + include/ut0rbt.h \ + include/ut0rnd.h \ + include/ut0rnd.ic \ + include/ut0sort.h \ + include/ut0ut.h \ + include/ut0ut.ic \ + include/ut0vec.h \ + include/ut0vec.ic \ + include/ut0wqueue.h \ + mem/mem0dbg.c + +EXTRA_LIBRARIES= libinnobase.a +noinst_LIBRARIES= @plugin_innobase_static_target@ +libinnobase_a_SOURCES= \ + btr/btr0btr.c \ + btr/btr0cur.c \ + btr/btr0pcur.c \ + btr/btr0sea.c \ + buf/buf0buddy.c \ + buf/buf0buf.c \ + buf/buf0flu.c \ + buf/buf0lru.c \ + buf/buf0rea.c \ + data/data0data.c \ + data/data0type.c \ + dict/dict0boot.c \ + dict/dict0crea.c \ + dict/dict0dict.c \ + dict/dict0load.c \ + dict/dict0mem.c \ + dyn/dyn0dyn.c \ + eval/eval0eval.c \ + eval/eval0proc.c \ + fil/fil0fil.c \ + fsp/fsp0fsp.c \ + fut/fut0fut.c \ + fut/fut0lst.c \ + ha/ha0ha.c \ + ha/ha0storage.c \ + ha/hash0hash.c \ + handler/ha_innodb.cc \ + handler/handler0alter.cc \ + handler/i_s.cc \ + handler/mysql_addons.cc \ + ibuf/ibuf0ibuf.c \ + lock/lock0iter.c \ + lock/lock0lock.c \ + log/log0log.c \ + log/log0recv.c \ + mach/mach0data.c \ + mem/mem0mem.c \ + mem/mem0pool.c \ + mtr/mtr0log.c \ + mtr/mtr0mtr.c \ + os/os0file.c \ + os/os0proc.c \ + os/os0sync.c \ + os/os0thread.c \ + page/page0cur.c \ + page/page0page.c \ + page/page0zip.c \ + pars/lexyy.c \ + pars/pars0grm.c \ + pars/pars0opt.c \ + pars/pars0pars.c \ + pars/pars0sym.c \ + que/que0que.c \ + read/read0read.c \ + rem/rem0cmp.c \ + rem/rem0rec.c \ + row/row0ext.c \ + row/row0ins.c \ + row/row0merge.c \ + row/row0mysql.c \ + row/row0purge.c \ + row/row0row.c \ + row/row0sel.c \ + row/row0uins.c \ + row/row0umod.c \ + row/row0undo.c \ + row/row0upd.c \ + row/row0vers.c \ + srv/srv0que.c \ + srv/srv0srv.c \ + srv/srv0start.c \ + sync/sync0arr.c \ + sync/sync0rw.c \ + sync/sync0sync.c \ + thr/thr0loc.c \ + trx/trx0i_s.c \ + trx/trx0purge.c \ + trx/trx0rec.c \ + trx/trx0roll.c \ + trx/trx0rseg.c \ + trx/trx0sys.c \ + trx/trx0trx.c \ + trx/trx0undo.c \ + usr/usr0sess.c \ + ut/ut0byte.c \ + ut/ut0dbg.c \ + ut/ut0list.c \ + ut/ut0mem.c \ + ut/ut0rbt.c \ + ut/ut0rnd.c \ + ut/ut0ut.c \ + ut/ut0vec.c \ + ut/ut0wqueue.c + +libinnobase_a_CXXFLAGS= $(AM_CFLAGS) +libinnobase_a_CFLAGS= $(AM_CFLAGS) + +EXTRA_LTLIBRARIES= ha_innodb.la +pkgplugin_LTLIBRARIES= @plugin_innobase_shared_target@ + +ha_innodb_la_LDFLAGS= -module -rpath $(pkgplugindir) +ha_innodb_la_CXXFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) +ha_innodb_la_CFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) +ha_innodb_la_SOURCES= $(libinnobase_a_SOURCES) + +EXTRA_DIST= CMakeLists.txt plug.in \ + pars/make_bison.sh pars/make_flex.sh \ + pars/pars0grm.y pars/pars0lex.l + +# Don't update the files from bitkeeper +%::SCCS/s.% diff --git a/perfschema/btr/btr0btr.c b/perfschema/btr/btr0btr.c new file mode 100644 index 00000000000..8589d415131 --- /dev/null +++ b/perfschema/btr/btr0btr.c @@ -0,0 +1,3730 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file btr/btr0btr.c +The B-tree + +Created 6/2/1994 Heikki Tuuri +*******************************************************/ + +#include "btr0btr.h" + +#ifdef UNIV_NONINL +#include "btr0btr.ic" +#endif + +#include "fsp0fsp.h" +#include "page0page.h" +#include "page0zip.h" + +#ifndef UNIV_HOTBACKUP +#include "btr0cur.h" +#include "btr0sea.h" +#include "btr0pcur.h" +#include "rem0cmp.h" +#include "lock0lock.h" +#include "ibuf0ibuf.h" +#include "trx0trx.h" + +/* +Latching strategy of the InnoDB B-tree +-------------------------------------- +A tree latch protects all non-leaf nodes of the tree. Each node of a tree +also has a latch of its own. + +A B-tree operation normally first acquires an S-latch on the tree. It +searches down the tree and releases the tree latch when it has the +leaf node latch. To save CPU time we do not acquire any latch on +non-leaf nodes of the tree during a search, those pages are only bufferfixed. + +If an operation needs to restructure the tree, it acquires an X-latch on +the tree before searching to a leaf node. If it needs, for example, to +split a leaf, +(1) InnoDB decides the split point in the leaf, +(2) allocates a new page, +(3) inserts the appropriate node pointer to the first non-leaf level, +(4) releases the tree X-latch, +(5) and then moves records from the leaf to the new allocated page. + +Node pointers +------------- +Leaf pages of a B-tree contain the index records stored in the +tree. On levels n > 0 we store 'node pointers' to pages on level +n - 1. For each page there is exactly one node pointer stored: +thus the our tree is an ordinary B-tree, not a B-link tree. + +A node pointer contains a prefix P of an index record. The prefix +is long enough so that it determines an index record uniquely. +The file page number of the child page is added as the last +field. To the child page we can store node pointers or index records +which are >= P in the alphabetical order, but < P1 if there is +a next node pointer on the level, and P1 is its prefix. + +If a node pointer with a prefix P points to a non-leaf child, +then the leftmost record in the child must have the same +prefix P. If it points to a leaf node, the child is not required +to contain any record with a prefix equal to P. The leaf case +is decided this way to allow arbitrary deletions in a leaf node +without touching upper levels of the tree. + +We have predefined a special minimum record which we +define as the smallest record in any alphabetical order. +A minimum record is denoted by setting a bit in the record +header. A minimum record acts as the prefix of a node pointer +which points to a leftmost node on any level of the tree. + +File page allocation +-------------------- +In the root node of a B-tree there are two file segment headers. +The leaf pages of a tree are allocated from one file segment, to +make them consecutive on disk if possible. From the other file segment +we allocate pages for the non-leaf levels of the tree. +*/ + +#ifdef UNIV_BTR_DEBUG +/**************************************************************//** +Checks a file segment header within a B-tree root page. +@return TRUE if valid */ +static +ibool +btr_root_fseg_validate( +/*===================*/ + const fseg_header_t* seg_header, /*!< in: segment header */ + ulint space) /*!< in: tablespace identifier */ +{ + ulint offset = mach_read_from_2(seg_header + FSEG_HDR_OFFSET); + + ut_a(mach_read_from_4(seg_header + FSEG_HDR_SPACE) == space); + ut_a(offset >= FIL_PAGE_DATA); + ut_a(offset <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); + return(TRUE); +} +#endif /* UNIV_BTR_DEBUG */ + +/**************************************************************//** +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ +static +buf_block_t* +btr_root_block_get( +/*===============*/ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint space; + ulint zip_size; + ulint root_page_no; + buf_block_t* block; + + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + root_page_no = dict_index_get_page(index); + + block = btr_block_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); + ut_a((ibool)!!page_is_comp(buf_block_get_frame(block)) + == dict_table_is_comp(index->table)); +#ifdef UNIV_BTR_DEBUG + if (!dict_index_is_ibuf(index)) { + const page_t* root = buf_block_get_frame(block); + + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } +#endif /* UNIV_BTR_DEBUG */ + + return(block); +} + +/**************************************************************//** +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ +UNIV_INTERN +page_t* +btr_root_get( +/*=========*/ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ +{ + return(buf_block_get_frame(btr_root_block_get(index, mtr))); +} + +/*************************************************************//** +Gets pointer to the previous user record in the tree. It is assumed that +the caller has appropriate latches on the page and its neighbor. +@return previous user record, NULL if there is none */ +UNIV_INTERN +rec_t* +btr_get_prev_user_rec( +/*==================*/ + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if + needed, also to the previous page */ +{ + page_t* page; + page_t* prev_page; + ulint prev_page_no; + + if (!page_rec_is_infimum(rec)) { + + rec_t* prev_rec = page_rec_get_prev(rec); + + if (!page_rec_is_infimum(prev_rec)) { + + return(prev_rec); + } + } + + page = page_align(rec); + prev_page_no = btr_page_get_prev(page, mtr); + + if (prev_page_no != FIL_NULL) { + + ulint space; + ulint zip_size; + buf_block_t* prev_block; + + space = page_get_space_id(page); + zip_size = fil_space_get_zip_size(space); + + prev_block = buf_page_get_with_no_latch(space, zip_size, + prev_page_no, mtr); + prev_page = buf_block_get_frame(prev_block); + /* The caller must already have a latch to the brother */ + ut_ad(mtr_memo_contains(mtr, prev_block, + MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains(mtr, prev_block, + MTR_MEMO_PAGE_X_FIX)); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(prev_page) == page_is_comp(page)); + ut_a(btr_page_get_next(prev_page, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + return(page_rec_get_prev(page_get_supremum_rec(prev_page))); + } + + return(NULL); +} + +/*************************************************************//** +Gets pointer to the next user record in the tree. It is assumed that the +caller has appropriate latches on the page and its neighbor. +@return next user record, NULL if there is none */ +UNIV_INTERN +rec_t* +btr_get_next_user_rec( +/*==================*/ + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if + needed, also to the next page */ +{ + page_t* page; + page_t* next_page; + ulint next_page_no; + + if (!page_rec_is_supremum(rec)) { + + rec_t* next_rec = page_rec_get_next(rec); + + if (!page_rec_is_supremum(next_rec)) { + + return(next_rec); + } + } + + page = page_align(rec); + next_page_no = btr_page_get_next(page, mtr); + + if (next_page_no != FIL_NULL) { + ulint space; + ulint zip_size; + buf_block_t* next_block; + + space = page_get_space_id(page); + zip_size = fil_space_get_zip_size(space); + + next_block = buf_page_get_with_no_latch(space, zip_size, + next_page_no, mtr); + next_page = buf_block_get_frame(next_block); + /* The caller must already have a latch to the brother */ + ut_ad(mtr_memo_contains(mtr, next_block, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains(mtr, next_block, + MTR_MEMO_PAGE_X_FIX)); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(next_page) == page_is_comp(page)); + ut_a(btr_page_get_prev(next_page, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + return(page_rec_get_next(page_get_infimum_rec(next_page))); + } + + return(NULL); +} + +/**************************************************************//** +Creates a new index page (not the root, and also not +used in page reorganization). @see btr_page_empty(). */ +static +void +btr_page_create( +/*============*/ + buf_block_t* block, /*!< in/out: page to be created */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page = buf_block_get_frame(block); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + + if (UNIV_LIKELY_NULL(page_zip)) { + page_create_zip(block, index, level, mtr); + } else { + page_create(block, mtr, dict_table_is_comp(index->table)); + /* Set the level of the new index page */ + btr_page_set_level(page, NULL, level, mtr); + } + + block->check_index_page_at_flush = TRUE; + + btr_page_set_index_id(page, page_zip, index->id, mtr); +} + +/**************************************************************//** +Allocates a new file page to be used in an ibuf tree. Takes the page from +the free list of the tree, which must contain pages! +@return new allocated block, x-latched */ +static +buf_block_t* +btr_page_alloc_for_ibuf( +/*====================*/ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr) /*!< in: mtr */ +{ + fil_addr_t node_addr; + page_t* root; + page_t* new_page; + buf_block_t* new_block; + + root = btr_root_get(index, mtr); + + node_addr = flst_get_first(root + PAGE_HEADER + + PAGE_BTR_IBUF_FREE_LIST, mtr); + ut_a(node_addr.page != FIL_NULL); + + new_block = buf_page_get(dict_index_get_space(index), + dict_table_zip_size(index->table), + node_addr.page, RW_X_LATCH, mtr); + new_page = buf_block_get_frame(new_block); + buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); + + flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + new_page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, + mtr); + ut_ad(flst_validate(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + mtr)); + + return(new_block); +} + +/**************************************************************//** +Allocates a new file page to be used in an index tree. NOTE: we assume +that the caller has made the reservation for free extents! +@return new allocated block, x-latched; NULL if out of space */ +UNIV_INTERN +buf_block_t* +btr_page_alloc( +/*===========*/ + dict_index_t* index, /*!< in: index */ + ulint hint_page_no, /*!< in: hint of a good page */ + byte file_direction, /*!< in: direction where a possible + page split is made */ + ulint level, /*!< in: level where the page is placed + in the tree */ + mtr_t* mtr) /*!< in: mtr */ +{ + fseg_header_t* seg_header; + page_t* root; + buf_block_t* new_block; + ulint new_page_no; + + if (dict_index_is_ibuf(index)) { + + return(btr_page_alloc_for_ibuf(index, mtr)); + } + + root = btr_root_get(index, mtr); + + if (level == 0) { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; + } else { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; + } + + /* Parameter TRUE below states that the caller has made the + reservation for free extents, and thus we know that a page can + be allocated: */ + + new_page_no = fseg_alloc_free_page_general(seg_header, hint_page_no, + file_direction, TRUE, mtr); + if (new_page_no == FIL_NULL) { + + return(NULL); + } + + new_block = buf_page_get(dict_index_get_space(index), + dict_table_zip_size(index->table), + new_page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); + + return(new_block); +} + +/**************************************************************//** +Gets the number of pages in a B-tree. +@return number of pages */ +UNIV_INTERN +ulint +btr_get_size( +/*=========*/ + dict_index_t* index, /*!< in: index */ + ulint flag) /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ +{ + fseg_header_t* seg_header; + page_t* root; + ulint n; + ulint dummy; + mtr_t mtr; + + mtr_start(&mtr); + + mtr_s_lock(dict_index_get_lock(index), &mtr); + + root = btr_root_get(index, &mtr); + + if (flag == BTR_N_LEAF_PAGES) { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; + + fseg_n_reserved_pages(seg_header, &n, &mtr); + + } else if (flag == BTR_TOTAL_SIZE) { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; + + n = fseg_n_reserved_pages(seg_header, &dummy, &mtr); + + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; + + n += fseg_n_reserved_pages(seg_header, &dummy, &mtr); + } else { + ut_error; + } + + mtr_commit(&mtr); + + return(n); +} + +/**************************************************************//** +Frees a page used in an ibuf tree. Puts the page to the free list of the +ibuf tree. */ +static +void +btr_page_free_for_ibuf( +/*===================*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* root; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + root = btr_root_get(index, mtr); + + flst_add_first(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + buf_block_get_frame(block) + + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, mtr); + + ut_ad(flst_validate(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + mtr)); +} + +/**************************************************************//** +Frees a file page used in an index tree. Can be used also to (BLOB) +external storage pages, because the page level 0 can be given as an +argument. */ +UNIV_INTERN +void +btr_page_free_low( +/*==============*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + ulint level, /*!< in: page level */ + mtr_t* mtr) /*!< in: mtr */ +{ + fseg_header_t* seg_header; + page_t* root; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + /* The page gets invalid for optimistic searches: increment the frame + modify clock */ + + buf_block_modify_clock_inc(block); + + if (dict_index_is_ibuf(index)) { + + btr_page_free_for_ibuf(index, block, mtr); + + return; + } + + root = btr_root_get(index, mtr); + + if (level == 0) { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; + } else { + seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; + } + + fseg_free_page(seg_header, + buf_block_get_space(block), + buf_block_get_page_no(block), mtr); +} + +/**************************************************************//** +Frees a file page used in an index tree. NOTE: cannot free field external +storage pages because the page must contain info on its level. */ +UNIV_INTERN +void +btr_page_free( +/*==========*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint level; + + level = btr_page_get_level(buf_block_get_frame(block), mtr); + + btr_page_free_low(index, block, level, mtr); +} + +/**************************************************************//** +Sets the child node file address in a node pointer. */ +UNIV_INLINE +void +btr_node_ptr_set_child_page_no( +/*===========================*/ + rec_t* rec, /*!< in: node pointer record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint page_no,/*!< in: child node address */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* field; + ulint len; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(!page_is_leaf(page_align(rec))); + ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec)); + + /* The child address is in the last field */ + field = rec_get_nth_field(rec, offsets, + rec_offs_n_fields(offsets) - 1, &len); + + ut_ad(len == REC_NODE_PTR_SIZE); + + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_write_node_ptr(page_zip, rec, + rec_offs_data_size(offsets), + page_no, mtr); + } else { + mlog_write_ulint(field, page_no, MLOG_4BYTES, mtr); + } +} + +/************************************************************//** +Returns the child page of a node pointer and x-latches it. +@return child page, x-latched */ +static +buf_block_t* +btr_node_ptr_get_child( +/*===================*/ + const rec_t* node_ptr,/*!< in: node pointer */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint page_no; + ulint space; + + ut_ad(rec_offs_validate(node_ptr, index, offsets)); + space = page_get_space_id(page_align(node_ptr)); + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + + return(btr_block_get(space, dict_table_zip_size(index->table), + page_no, RW_X_LATCH, mtr)); +} + +/************************************************************//** +Returns the upper level node pointer to a page. It is assumed that mtr holds +an x-latch on the tree. +@return rec_get_offsets() of the node pointer record */ +static +ulint* +btr_page_get_father_node_ptr_func( +/*==============================*/ + ulint* offsets,/*!< in: work area for the return value */ + mem_heap_t* heap, /*!< in: memory heap to use */ + btr_cur_t* cursor, /*!< in: cursor pointing to user record, + out: cursor on node pointer record, + its page x-latched */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + dtuple_t* tuple; + rec_t* user_rec; + rec_t* node_ptr; + ulint level; + ulint page_no; + dict_index_t* index; + + page_no = buf_block_get_page_no(btr_cur_get_block(cursor)); + index = btr_cur_get_index(cursor); + + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + + ut_ad(dict_index_get_page(index) != page_no); + + level = btr_page_get_level(btr_cur_get_page(cursor), mtr); + + page = btr_cur_get_page(cursor); + user_rec = btr_cur_get_rec(cursor); + ut_a(page_rec_is_user_rec(user_rec)); + tuple = dict_index_build_node_ptr(index, user_rec, 0, heap, level); + + btr_cur_search_to_nth_level(index, level + 1, tuple, PAGE_CUR_LE, + BTR_CONT_MODIFY_TREE, cursor, 0, + file, line, mtr); + + node_ptr = btr_cur_get_rec(cursor); + ut_ad(!page_rec_is_comp(node_ptr) + || rec_get_status(node_ptr) == REC_STATUS_NODE_PTR); + offsets = rec_get_offsets(node_ptr, index, offsets, + ULINT_UNDEFINED, &heap); + + if (UNIV_UNLIKELY(btr_node_ptr_get_child_page_no(node_ptr, offsets) + != page_no)) { + rec_t* print_rec; + fputs("InnoDB: Dump of the child page:\n", stderr); + buf_page_print(page_align(user_rec), 0); + fputs("InnoDB: Dump of the parent page:\n", stderr); + buf_page_print(page_align(node_ptr), 0); + + fputs("InnoDB: Corruption of an index tree: table ", stderr); + ut_print_name(stderr, NULL, TRUE, index->table_name); + fputs(", index ", stderr); + ut_print_name(stderr, NULL, FALSE, index->name); + fprintf(stderr, ",\n" + "InnoDB: father ptr page no %lu, child page no %lu\n", + (ulong) + btr_node_ptr_get_child_page_no(node_ptr, offsets), + (ulong) page_no); + print_rec = page_rec_get_next( + page_get_infimum_rec(page_align(user_rec))); + offsets = rec_get_offsets(print_rec, index, + offsets, ULINT_UNDEFINED, &heap); + page_rec_print(print_rec, offsets); + offsets = rec_get_offsets(node_ptr, index, offsets, + ULINT_UNDEFINED, &heap); + page_rec_print(node_ptr, offsets); + + fputs("InnoDB: You should dump + drop + reimport the table" + " to fix the\n" + "InnoDB: corruption. If the crash happens at " + "the database startup, see\n" + "InnoDB: " REFMAN "forcing-recovery.html about\n" + "InnoDB: forcing recovery. " + "Then dump + drop + reimport.\n", stderr); + + ut_error; + } + + return(offsets); +} + +#define btr_page_get_father_node_ptr(of,heap,cur,mtr) \ + btr_page_get_father_node_ptr_func(of,heap,cur,__FILE__,__LINE__,mtr) + +/************************************************************//** +Returns the upper level node pointer to a page. It is assumed that mtr holds +an x-latch on the tree. +@return rec_get_offsets() of the node pointer record */ +static +ulint* +btr_page_get_father_block( +/*======================*/ + ulint* offsets,/*!< in: work area for the return value */ + mem_heap_t* heap, /*!< in: memory heap to use */ + dict_index_t* index, /*!< in: b-tree index */ + buf_block_t* block, /*!< in: child page in the index */ + mtr_t* mtr, /*!< in: mtr */ + btr_cur_t* cursor) /*!< out: cursor on node pointer record, + its page x-latched */ +{ + rec_t* rec + = page_rec_get_next(page_get_infimum_rec(buf_block_get_frame( + block))); + btr_cur_position(index, rec, block, cursor); + return(btr_page_get_father_node_ptr(offsets, heap, cursor, mtr)); +} + +/************************************************************//** +Seeks to the upper level node pointer to a page. +It is assumed that mtr holds an x-latch on the tree. */ +static +void +btr_page_get_father( +/*================*/ + dict_index_t* index, /*!< in: b-tree index */ + buf_block_t* block, /*!< in: child page in the index */ + mtr_t* mtr, /*!< in: mtr */ + btr_cur_t* cursor) /*!< out: cursor on node pointer record, + its page x-latched */ +{ + mem_heap_t* heap; + rec_t* rec + = page_rec_get_next(page_get_infimum_rec(buf_block_get_frame( + block))); + btr_cur_position(index, rec, block, cursor); + + heap = mem_heap_create(100); + btr_page_get_father_node_ptr(NULL, heap, cursor, mtr); + mem_heap_free(heap); +} + +/************************************************************//** +Creates the root node for a new index tree. +@return page number of the created root, FIL_NULL if did not succeed */ +UNIV_INTERN +ulint +btr_create( +/*=======*/ + ulint type, /*!< in: type of the index */ + ulint space, /*!< in: space where created */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + dulint index_id,/*!< in: index id */ + dict_index_t* index, /*!< in: index */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint page_no; + buf_block_t* block; + buf_frame_t* frame; + page_t* page; + page_zip_des_t* page_zip; + + /* Create the two new segments (one, in the case of an ibuf tree) for + the index tree; the segment headers are put on the allocated root page + (for an ibuf tree, not in the root, but on a separate ibuf header + page) */ + + if (type & DICT_IBUF) { + /* Allocate first the ibuf header page */ + buf_block_t* ibuf_hdr_block = fseg_create( + space, 0, + IBUF_HEADER + IBUF_TREE_SEG_HEADER, mtr); + + buf_block_dbg_add_level(ibuf_hdr_block, SYNC_TREE_NODE_NEW); + + ut_ad(buf_block_get_page_no(ibuf_hdr_block) + == IBUF_HEADER_PAGE_NO); + /* Allocate then the next page to the segment: it will be the + tree root page */ + + page_no = fseg_alloc_free_page(buf_block_get_frame( + ibuf_hdr_block) + + IBUF_HEADER + + IBUF_TREE_SEG_HEADER, + IBUF_TREE_ROOT_PAGE_NO, + FSP_UP, mtr); + ut_ad(page_no == IBUF_TREE_ROOT_PAGE_NO); + + block = buf_page_get(space, zip_size, page_no, + RW_X_LATCH, mtr); + } else { + block = fseg_create(space, 0, + PAGE_HEADER + PAGE_BTR_SEG_TOP, mtr); + } + + if (block == NULL) { + + return(FIL_NULL); + } + + page_no = buf_block_get_page_no(block); + frame = buf_block_get_frame(block); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); + + if (type & DICT_IBUF) { + /* It is an insert buffer tree: initialize the free list */ + + ut_ad(page_no == IBUF_TREE_ROOT_PAGE_NO); + + flst_init(frame + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, mtr); + } else { + /* It is a non-ibuf tree: create a file segment for leaf + pages */ + if (!fseg_create(space, page_no, + PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr)) { + /* Not enough space for new segment, free root + segment before return. */ + btr_free_root(space, zip_size, page_no, mtr); + + return(FIL_NULL); + } + + /* The fseg create acquires a second latch on the page, + therefore we must declare it: */ + buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); + } + + /* Create a new index page on the allocated segment page */ + page_zip = buf_block_get_page_zip(block); + + if (UNIV_LIKELY_NULL(page_zip)) { + page = page_create_zip(block, index, 0, mtr); + } else { + page = page_create(block, mtr, + dict_table_is_comp(index->table)); + /* Set the level of the new index page */ + btr_page_set_level(page, NULL, 0, mtr); + } + + block->check_index_page_at_flush = TRUE; + + /* Set the index id of the page */ + btr_page_set_index_id(page, page_zip, index_id, mtr); + + /* Set the next node and previous node fields */ + btr_page_set_next(page, page_zip, FIL_NULL, mtr); + btr_page_set_prev(page, page_zip, FIL_NULL, mtr); + + /* We reset the free bits for the page to allow creation of several + trees in the same mtr, otherwise the latch on a bitmap page would + prevent it because of the latching order */ + + if (!(type & DICT_CLUSTERED)) { + ibuf_reset_free_bits(block); + } + + /* In the following assertion we test that two records of maximum + allowed size fit on the root page: this fact is needed to ensure + correctness of split algorithms */ + + ut_ad(page_get_max_insert_size(page, 2) > 2 * BTR_PAGE_MAX_REC_SIZE); + + return(page_no); +} + +/************************************************************//** +Frees a B-tree except the root page, which MUST be freed after this +by calling btr_free_root. */ +UNIV_INTERN +void +btr_free_but_not_root( +/*==================*/ + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint root_page_no) /*!< in: root page number */ +{ + ibool finished; + page_t* root; + mtr_t mtr; + +leaf_loop: + mtr_start(&mtr); + + root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); +#endif /* UNIV_BTR_DEBUG */ + + /* NOTE: page hash indexes are dropped when a page is freed inside + fsp0fsp. */ + + finished = fseg_free_step(root + PAGE_HEADER + PAGE_BTR_SEG_LEAF, + &mtr); + mtr_commit(&mtr); + + if (!finished) { + + goto leaf_loop; + } +top_loop: + mtr_start(&mtr); + + root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); +#endif /* UNIV_BTR_DEBUG */ + + finished = fseg_free_step_not_header( + root + PAGE_HEADER + PAGE_BTR_SEG_TOP, &mtr); + mtr_commit(&mtr); + + if (!finished) { + + goto top_loop; + } +} + +/************************************************************//** +Frees the B-tree root page. Other tree MUST already have been freed. */ +UNIV_INTERN +void +btr_free_root( +/*==========*/ + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint root_page_no, /*!< in: root page number */ + mtr_t* mtr) /*!< in: a mini-transaction which has already + been started */ +{ + buf_block_t* block; + fseg_header_t* header; + + block = btr_block_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); + + btr_search_drop_page_hash_index(block); + + header = buf_block_get_frame(block) + PAGE_HEADER + PAGE_BTR_SEG_TOP; +#ifdef UNIV_BTR_DEBUG + ut_a(btr_root_fseg_validate(header, space)); +#endif /* UNIV_BTR_DEBUG */ + + while (!fseg_free_step(header, mtr)); +} +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Reorganizes an index page. */ +static +ibool +btr_page_reorganize_low( +/*====================*/ + ibool recovery,/*!< in: TRUE if called in recovery: + locks should not be updated, i.e., + there cannot exist locks on the + page, and a hash index should not be + dropped: it cannot exist */ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page = buf_block_get_frame(block); + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + buf_block_t* temp_block; + page_t* temp_page; + ulint log_mode; + ulint data_size1; + ulint data_size2; + ulint max_ins_size1; + ulint max_ins_size2; + ibool success = FALSE; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + data_size1 = page_get_data_size(page); + max_ins_size1 = page_get_max_insert_size_after_reorganize(page, 1); + +#ifndef UNIV_HOTBACKUP + /* Write the log record */ + mlog_open_and_write_index(mtr, page, index, page_is_comp(page) + ? MLOG_COMP_PAGE_REORGANIZE + : MLOG_PAGE_REORGANIZE, 0); +#endif /* !UNIV_HOTBACKUP */ + + /* Turn logging off */ + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + +#ifndef UNIV_HOTBACKUP + temp_block = buf_block_alloc(0); +#else /* !UNIV_HOTBACKUP */ + ut_ad(block == back_block1); + temp_block = back_block2; +#endif /* !UNIV_HOTBACKUP */ + temp_page = temp_block->frame; + + /* Copy the old page to temporary space */ + buf_frame_copy(temp_page, page); + +#ifndef UNIV_HOTBACKUP + if (UNIV_LIKELY(!recovery)) { + btr_search_drop_page_hash_index(block); + } + + block->check_index_page_at_flush = TRUE; +#endif /* !UNIV_HOTBACKUP */ + + /* Recreate the page: note that global data on page (possible + segment headers, next page-field, etc.) is preserved intact */ + + page_create(block, mtr, dict_table_is_comp(index->table)); + + /* Copy the records from the temporary space to the recreated page; + do not copy the lock bits yet */ + + page_copy_rec_list_end_no_locks(block, temp_block, + page_get_infimum_rec(temp_page), + index, mtr); + + if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { + /* Copy max trx id to recreated page */ + trx_id_t max_trx_id = page_get_max_trx_id(temp_page); + page_set_max_trx_id(block, NULL, max_trx_id, mtr); + /* In crash recovery, dict_index_is_sec_or_ibuf() always + returns TRUE, even for clustered indexes. max_trx_id is + unused in clustered index pages. */ + ut_ad(!ut_dulint_is_zero(max_trx_id) || recovery); + } + + if (UNIV_LIKELY_NULL(page_zip) + && UNIV_UNLIKELY + (!page_zip_compress(page_zip, page, index, NULL))) { + + /* Restore the old page and exit. */ + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + /* Check that the bytes that we skip are identical. */ + ut_a(!memcmp(page, temp_page, PAGE_HEADER)); + ut_a(!memcmp(PAGE_HEADER + PAGE_N_RECS + page, + PAGE_HEADER + PAGE_N_RECS + temp_page, + PAGE_DATA - (PAGE_HEADER + PAGE_N_RECS))); + ut_a(!memcmp(UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + page, + UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + temp_page, + FIL_PAGE_DATA_END)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + + memcpy(PAGE_HEADER + page, PAGE_HEADER + temp_page, + PAGE_N_RECS - PAGE_N_DIR_SLOTS); + memcpy(PAGE_DATA + page, PAGE_DATA + temp_page, + UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(page, temp_page, UNIV_PAGE_SIZE)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + + goto func_exit; + } + +#ifndef UNIV_HOTBACKUP + if (UNIV_LIKELY(!recovery)) { + /* Update the record lock bitmaps */ + lock_move_reorganize_page(block, temp_block); + } +#endif /* !UNIV_HOTBACKUP */ + + data_size2 = page_get_data_size(page); + max_ins_size2 = page_get_max_insert_size_after_reorganize(page, 1); + + if (UNIV_UNLIKELY(data_size1 != data_size2) + || UNIV_UNLIKELY(max_ins_size1 != max_ins_size2)) { + buf_page_print(page, 0); + buf_page_print(temp_page, 0); + fprintf(stderr, + "InnoDB: Error: page old data size %lu" + " new data size %lu\n" + "InnoDB: Error: page old max ins size %lu" + " new max ins size %lu\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", + (unsigned long) data_size1, (unsigned long) data_size2, + (unsigned long) max_ins_size1, + (unsigned long) max_ins_size2); + } else { + success = TRUE; + } + +func_exit: +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ +#ifndef UNIV_HOTBACKUP + buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ + + /* Restore logging mode */ + mtr_set_log_mode(mtr, log_mode); + + return(success); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Reorganizes an index page. +IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf +page of a non-clustered index, the caller must update the insert +buffer free bits in the same mini-transaction in such a way that the +modification will be redo-logged. +@return TRUE on success, FALSE on failure */ +UNIV_INTERN +ibool +btr_page_reorganize( +/*================*/ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + return(btr_page_reorganize_low(FALSE, block, index, mtr)); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a redo log record of reorganizing a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_parse_page_reorganize( +/*======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), + /*!< in: buffer end */ + dict_index_t* index, /*!< in: record descriptor */ + buf_block_t* block, /*!< in: page to be reorganized, or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ut_ad(ptr && end_ptr); + + /* The record is empty, except for the record initial part */ + + if (UNIV_LIKELY(block != NULL)) { + btr_page_reorganize_low(TRUE, block, index, mtr); + } + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Empties an index page. @see btr_page_create(). */ +static +void +btr_page_empty( +/*===========*/ + buf_block_t* block, /*!< in: page to be emptied */ + page_zip_des_t* page_zip,/*!< out: compressed page, or NULL */ + dict_index_t* index, /*!< in: index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page = buf_block_get_frame(block); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_zip == buf_block_get_page_zip(block)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + btr_search_drop_page_hash_index(block); + + /* Recreate the page: note that global data on page (possible + segment headers, next page-field, etc.) is preserved intact */ + + if (UNIV_LIKELY_NULL(page_zip)) { + page_create_zip(block, index, level, mtr); + } else { + page_create(block, mtr, dict_table_is_comp(index->table)); + btr_page_set_level(page, NULL, level, mtr); + } + + block->check_index_page_at_flush = TRUE; +} + +/*************************************************************//** +Makes tree one level higher by splitting the root, and inserts +the tuple. It is assumed that mtr contains an x-latch on the tree. +NOTE that the operation of this function must always succeed, +we cannot reverse it: therefore enough free disk space must be +guaranteed to be available before this function is called. +@return inserted record */ +UNIV_INTERN +rec_t* +btr_root_raise_and_insert( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert: must be + on the root page; when the function returns, + the cursor is positioned on the predecessor + of the inserted record */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + page_t* root; + page_t* new_page; + ulint new_page_no; + rec_t* rec; + mem_heap_t* heap; + dtuple_t* node_ptr; + ulint level; + rec_t* node_ptr_rec; + page_cur_t* page_cursor; + page_zip_des_t* root_page_zip; + page_zip_des_t* new_page_zip; + buf_block_t* root_block; + buf_block_t* new_block; + + root = btr_cur_get_page(cursor); + root_block = btr_cur_get_block(cursor); + root_page_zip = buf_block_get_page_zip(root_block); +#ifdef UNIV_ZIP_DEBUG + ut_a(!root_page_zip || page_zip_validate(root_page_zip, root)); +#endif /* UNIV_ZIP_DEBUG */ + index = btr_cur_get_index(cursor); +#ifdef UNIV_BTR_DEBUG + if (!dict_index_is_ibuf(index)) { + ulint space = dict_index_get_space(index); + + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } + + ut_a(dict_index_get_page(index) == page_get_page_no(root)); +#endif /* UNIV_BTR_DEBUG */ + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, root_block, MTR_MEMO_PAGE_X_FIX)); + + /* Allocate a new page to the tree. Root splitting is done by first + moving the root records to the new page, emptying the root, putting + a node pointer to the new page, and then splitting the new page. */ + + level = btr_page_get_level(root, mtr); + + new_block = btr_page_alloc(index, 0, FSP_NO_DIR, level, mtr); + new_page = buf_block_get_frame(new_block); + new_page_zip = buf_block_get_page_zip(new_block); + ut_a(!new_page_zip == !root_page_zip); + ut_a(!new_page_zip + || page_zip_get_size(new_page_zip) + == page_zip_get_size(root_page_zip)); + + btr_page_create(new_block, new_page_zip, index, level, mtr); + + /* Set the next node and previous node fields of new page */ + btr_page_set_next(new_page, new_page_zip, FIL_NULL, mtr); + btr_page_set_prev(new_page, new_page_zip, FIL_NULL, mtr); + + /* Copy the records from root to the new page one by one. */ + + if (0 +#ifdef UNIV_ZIP_COPY + || new_page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY + (!page_copy_rec_list_end(new_block, root_block, + page_get_infimum_rec(root), + index, mtr))) { + ut_a(new_page_zip); + + /* Copy the page byte for byte. */ + page_zip_copy_recs(new_page_zip, new_page, + root_page_zip, root, index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(new_block, root_block, + page_get_infimum_rec(root)); + + btr_search_move_or_delete_hash_entries(new_block, root_block, + index); + } + + /* If this is a pessimistic insert which is actually done to + perform a pessimistic update then we have stored the lock + information of the record to be inserted on the infimum of the + root page: we cannot discard the lock structs on the root page */ + + lock_update_root_raise(new_block, root_block); + + /* Create a memory heap where the node pointer is stored */ + heap = mem_heap_create(100); + + rec = page_rec_get_next(page_get_infimum_rec(new_page)); + new_page_no = buf_block_get_page_no(new_block); + + /* Build the node pointer (= node key and page address) for the + child */ + + node_ptr = dict_index_build_node_ptr(index, rec, new_page_no, heap, + level); + /* The node pointer must be marked as the predefined minimum record, + as there is no lower alphabetical limit to records in the leftmost + node of a level: */ + dtuple_set_info_bits(node_ptr, + dtuple_get_info_bits(node_ptr) + | REC_INFO_MIN_REC_FLAG); + + /* Rebuild the root page to get free space */ + btr_page_empty(root_block, root_page_zip, index, level + 1, mtr); + + /* Set the next node and previous node fields, although + they should already have been set. The previous node field + must be FIL_NULL if root_page_zip != NULL, because the + REC_INFO_MIN_REC_FLAG (of the first user record) will be + set if and only if btr_page_get_prev() == FIL_NULL. */ + btr_page_set_next(root, root_page_zip, FIL_NULL, mtr); + btr_page_set_prev(root, root_page_zip, FIL_NULL, mtr); + + page_cursor = btr_cur_get_page_cur(cursor); + + /* Insert node pointer to the root */ + + page_cur_set_before_first(root_block, page_cursor); + + node_ptr_rec = page_cur_tuple_insert(page_cursor, node_ptr, + index, 0, mtr); + + /* The root page should only contain the node pointer + to new_page at this point. Thus, the data should fit. */ + ut_a(node_ptr_rec); + + /* Free the memory heap */ + mem_heap_free(heap); + + /* We play safe and reset the free bits for the new page */ + +#if 0 + fprintf(stderr, "Root raise new page no %lu\n", new_page_no); +#endif + + if (!dict_index_is_clust(index)) { + ibuf_reset_free_bits(new_block); + } + + /* Reposition the cursor to the child node */ + page_cur_search(new_block, index, tuple, + PAGE_CUR_LE, page_cursor); + + /* Split the child and insert tuple */ + return(btr_page_split_and_insert(cursor, tuple, n_ext, mtr)); +} + +/*************************************************************//** +Decides if the page should be split at the convergence point of inserts +converging to the left. +@return TRUE if split recommended */ +UNIV_INTERN +ibool +btr_page_get_split_rec_to_left( +/*===========================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec) /*!< out: if split recommended, + the first record on upper half page, + or NULL if tuple to be inserted should + be first */ +{ + page_t* page; + rec_t* insert_point; + rec_t* infimum; + + page = btr_cur_get_page(cursor); + insert_point = btr_cur_get_rec(cursor); + + if (page_header_get_ptr(page, PAGE_LAST_INSERT) + == page_rec_get_next(insert_point)) { + + infimum = page_get_infimum_rec(page); + + /* If the convergence is in the middle of a page, include also + the record immediately before the new insert to the upper + page. Otherwise, we could repeatedly move from page to page + lots of records smaller than the convergence point. */ + + if (infimum != insert_point + && page_rec_get_next(infimum) != insert_point) { + + *split_rec = insert_point; + } else { + *split_rec = page_rec_get_next(insert_point); + } + + return(TRUE); + } + + return(FALSE); +} + +/*************************************************************//** +Decides if the page should be split at the convergence point of inserts +converging to the right. +@return TRUE if split recommended */ +UNIV_INTERN +ibool +btr_page_get_split_rec_to_right( +/*============================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec) /*!< out: if split recommended, + the first record on upper half page, + or NULL if tuple to be inserted should + be first */ +{ + page_t* page; + rec_t* insert_point; + + page = btr_cur_get_page(cursor); + insert_point = btr_cur_get_rec(cursor); + + /* We use eager heuristics: if the new insert would be right after + the previous insert on the same page, we assume that there is a + pattern of sequential inserts here. */ + + if (UNIV_LIKELY(page_header_get_ptr(page, PAGE_LAST_INSERT) + == insert_point)) { + + rec_t* next_rec; + + next_rec = page_rec_get_next(insert_point); + + if (page_rec_is_supremum(next_rec)) { +split_at_new: + /* Split at the new record to insert */ + *split_rec = NULL; + } else { + rec_t* next_next_rec = page_rec_get_next(next_rec); + if (page_rec_is_supremum(next_next_rec)) { + + goto split_at_new; + } + + /* If there are >= 2 user records up from the insert + point, split all but 1 off. We want to keep one because + then sequential inserts can use the adaptive hash + index, as they can do the necessary checks of the right + search position just by looking at the records on this + page. */ + + *split_rec = next_next_rec; + } + + return(TRUE); + } + + return(FALSE); +} + +/*************************************************************//** +Calculates a split record such that the tuple will certainly fit on +its half-page when the split is performed. We assume in this function +only that the cursor page has at least one user record. +@return split record, or NULL if tuple will be the first record on +upper half-page */ +static +rec_t* +btr_page_get_sure_split_rec( +/*========================*/ + btr_cur_t* cursor, /*!< in: cursor at which insert should be made */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext) /*!< in: number of externally stored columns */ +{ + page_t* page; + page_zip_des_t* page_zip; + ulint insert_size; + ulint free_space; + ulint total_data; + ulint total_n_recs; + ulint total_space; + ulint incl_data; + rec_t* ins_rec; + rec_t* rec; + rec_t* next_rec; + ulint n; + mem_heap_t* heap; + ulint* offsets; + + page = btr_cur_get_page(cursor); + + insert_size = rec_get_converted_size(cursor->index, tuple, n_ext); + free_space = page_get_free_space_of_empty(page_is_comp(page)); + + page_zip = btr_cur_get_page_zip(cursor); + if (UNIV_LIKELY_NULL(page_zip)) { + /* Estimate the free space of an empty compressed page. */ + ulint free_space_zip = page_zip_empty_size( + cursor->index->n_fields, + page_zip_get_size(page_zip)); + + if (UNIV_LIKELY(free_space > (ulint) free_space_zip)) { + free_space = (ulint) free_space_zip; + } + } + + /* free_space is now the free space of a created new page */ + + total_data = page_get_data_size(page) + insert_size; + total_n_recs = page_get_n_recs(page) + 1; + ut_ad(total_n_recs >= 2); + total_space = total_data + page_dir_calc_reserved_space(total_n_recs); + + n = 0; + incl_data = 0; + ins_rec = btr_cur_get_rec(cursor); + rec = page_get_infimum_rec(page); + + heap = NULL; + offsets = NULL; + + /* We start to include records to the left half, and when the + space reserved by them exceeds half of total_space, then if + the included records fit on the left page, they will be put there + if something was left over also for the right page, + otherwise the last included record will be the first on the right + half page */ + + do { + /* Decide the next record to include */ + if (rec == ins_rec) { + rec = NULL; /* NULL denotes that tuple is + now included */ + } else if (rec == NULL) { + rec = page_rec_get_next(ins_rec); + } else { + rec = page_rec_get_next(rec); + } + + if (rec == NULL) { + /* Include tuple */ + incl_data += insert_size; + } else { + offsets = rec_get_offsets(rec, cursor->index, + offsets, ULINT_UNDEFINED, + &heap); + incl_data += rec_offs_size(offsets); + } + + n++; + } while (incl_data + page_dir_calc_reserved_space(n) + < total_space / 2); + + if (incl_data + page_dir_calc_reserved_space(n) <= free_space) { + /* The next record will be the first on + the right half page if it is not the + supremum record of page */ + + if (rec == ins_rec) { + rec = NULL; + + goto func_exit; + } else if (rec == NULL) { + next_rec = page_rec_get_next(ins_rec); + } else { + next_rec = page_rec_get_next(rec); + } + ut_ad(next_rec); + if (!page_rec_is_supremum(next_rec)) { + rec = next_rec; + } + } + +func_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(rec); +} + +/*************************************************************//** +Returns TRUE if the insert fits on the appropriate half-page with the +chosen split_rec. +@return TRUE if fits */ +static +ibool +btr_page_insert_fits( +/*=================*/ + btr_cur_t* cursor, /*!< in: cursor at which insert + should be made */ + const rec_t* split_rec,/*!< in: suggestion for first record + on upper half-page, or NULL if + tuple to be inserted should be first */ + const ulint* offsets,/*!< in: rec_get_offsets( + split_rec, cursor->index) */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mem_heap_t* heap) /*!< in: temporary memory heap */ +{ + page_t* page; + ulint insert_size; + ulint free_space; + ulint total_data; + ulint total_n_recs; + const rec_t* rec; + const rec_t* end_rec; + ulint* offs; + + page = btr_cur_get_page(cursor); + + ut_ad(!split_rec == !offsets); + ut_ad(!offsets + || !page_is_comp(page) == !rec_offs_comp(offsets)); + ut_ad(!offsets + || rec_offs_validate(split_rec, cursor->index, offsets)); + + insert_size = rec_get_converted_size(cursor->index, tuple, n_ext); + free_space = page_get_free_space_of_empty(page_is_comp(page)); + + /* free_space is now the free space of a created new page */ + + total_data = page_get_data_size(page) + insert_size; + total_n_recs = page_get_n_recs(page) + 1; + + /* We determine which records (from rec to end_rec, not including + end_rec) will end up on the other half page from tuple when it is + inserted. */ + + if (split_rec == NULL) { + rec = page_rec_get_next(page_get_infimum_rec(page)); + end_rec = page_rec_get_next(btr_cur_get_rec(cursor)); + + } else if (cmp_dtuple_rec(tuple, split_rec, offsets) >= 0) { + + rec = page_rec_get_next(page_get_infimum_rec(page)); + end_rec = split_rec; + } else { + rec = split_rec; + end_rec = page_get_supremum_rec(page); + } + + if (total_data + page_dir_calc_reserved_space(total_n_recs) + <= free_space) { + + /* Ok, there will be enough available space on the + half page where the tuple is inserted */ + + return(TRUE); + } + + offs = NULL; + + while (rec != end_rec) { + /* In this loop we calculate the amount of reserved + space after rec is removed from page. */ + + offs = rec_get_offsets(rec, cursor->index, offs, + ULINT_UNDEFINED, &heap); + + total_data -= rec_offs_size(offs); + total_n_recs--; + + if (total_data + page_dir_calc_reserved_space(total_n_recs) + <= free_space) { + + /* Ok, there will be enough available space on the + half page where the tuple is inserted */ + + return(TRUE); + } + + rec = page_rec_get_next_const(rec); + } + + return(FALSE); +} + +/*******************************************************//** +Inserts a data tuple to a tree on a non-leaf level. It is assumed +that mtr holds an x-latch on the tree. */ +UNIV_INTERN +void +btr_insert_on_non_leaf_level_func( +/*==============================*/ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: level, must be > 0 */ + dtuple_t* tuple, /*!< in: the record to be inserted */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + big_rec_t* dummy_big_rec; + btr_cur_t cursor; + ulint err; + rec_t* rec; + + ut_ad(level > 0); + + btr_cur_search_to_nth_level(index, level, tuple, PAGE_CUR_LE, + BTR_CONT_MODIFY_TREE, + &cursor, 0, file, line, mtr); + + err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG + | BTR_KEEP_SYS_FLAG + | BTR_NO_UNDO_LOG_FLAG, + &cursor, tuple, &rec, + &dummy_big_rec, 0, NULL, mtr); + ut_a(err == DB_SUCCESS); +} + +/**************************************************************//** +Attaches the halves of an index page on the appropriate level in an +index tree. */ +static +void +btr_attach_half_pages( +/*==================*/ + dict_index_t* index, /*!< in: the index tree */ + buf_block_t* block, /*!< in/out: page to be split */ + rec_t* split_rec, /*!< in: first record on upper + half page */ + buf_block_t* new_block, /*!< in/out: the new half page */ + ulint direction, /*!< in: FSP_UP or FSP_DOWN */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint space; + ulint zip_size; + ulint prev_page_no; + ulint next_page_no; + ulint level; + page_t* page = buf_block_get_frame(block); + page_t* lower_page; + page_t* upper_page; + ulint lower_page_no; + ulint upper_page_no; + page_zip_des_t* lower_page_zip; + page_zip_des_t* upper_page_zip; + dtuple_t* node_ptr_upper; + mem_heap_t* heap; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains(mtr, new_block, MTR_MEMO_PAGE_X_FIX)); + + /* Create a memory heap where the data tuple is stored */ + heap = mem_heap_create(1024); + + /* Based on split direction, decide upper and lower pages */ + if (direction == FSP_DOWN) { + + btr_cur_t cursor; + ulint* offsets; + + lower_page = buf_block_get_frame(new_block); + lower_page_no = buf_block_get_page_no(new_block); + lower_page_zip = buf_block_get_page_zip(new_block); + upper_page = buf_block_get_frame(block); + upper_page_no = buf_block_get_page_no(block); + upper_page_zip = buf_block_get_page_zip(block); + + /* Look up the index for the node pointer to page */ + offsets = btr_page_get_father_block(NULL, heap, index, + block, mtr, &cursor); + + /* Replace the address of the old child node (= page) with the + address of the new lower half */ + + btr_node_ptr_set_child_page_no( + btr_cur_get_rec(&cursor), + btr_cur_get_page_zip(&cursor), + offsets, lower_page_no, mtr); + mem_heap_empty(heap); + } else { + lower_page = buf_block_get_frame(block); + lower_page_no = buf_block_get_page_no(block); + lower_page_zip = buf_block_get_page_zip(block); + upper_page = buf_block_get_frame(new_block); + upper_page_no = buf_block_get_page_no(new_block); + upper_page_zip = buf_block_get_page_zip(new_block); + } + + /* Get the level of the split pages */ + level = btr_page_get_level(buf_block_get_frame(block), mtr); + ut_ad(level + == btr_page_get_level(buf_block_get_frame(new_block), mtr)); + + /* Build the node pointer (= node key and page address) for the upper + half */ + + node_ptr_upper = dict_index_build_node_ptr(index, split_rec, + upper_page_no, heap, level); + + /* Insert it next to the pointer to the lower half. Note that this + may generate recursion leading to a split on the higher level. */ + + btr_insert_on_non_leaf_level(index, level + 1, node_ptr_upper, mtr); + + /* Free the memory heap */ + mem_heap_free(heap); + + /* Get the previous and next pages of page */ + + prev_page_no = btr_page_get_prev(page, mtr); + next_page_no = btr_page_get_next(page, mtr); + space = buf_block_get_space(block); + zip_size = buf_block_get_zip_size(block); + + /* Update page links of the level */ + + if (prev_page_no != FIL_NULL) { + buf_block_t* prev_block = btr_block_get(space, zip_size, + prev_page_no, + RW_X_LATCH, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(prev_block->frame) == page_is_comp(page)); + ut_a(btr_page_get_next(prev_block->frame, mtr) + == buf_block_get_page_no(block)); +#endif /* UNIV_BTR_DEBUG */ + + btr_page_set_next(buf_block_get_frame(prev_block), + buf_block_get_page_zip(prev_block), + lower_page_no, mtr); + } + + if (next_page_no != FIL_NULL) { + buf_block_t* next_block = btr_block_get(space, zip_size, + next_page_no, + RW_X_LATCH, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(next_block->frame) == page_is_comp(page)); + ut_a(btr_page_get_prev(next_block->frame, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + btr_page_set_prev(buf_block_get_frame(next_block), + buf_block_get_page_zip(next_block), + upper_page_no, mtr); + } + + btr_page_set_prev(lower_page, lower_page_zip, prev_page_no, mtr); + btr_page_set_next(lower_page, lower_page_zip, upper_page_no, mtr); + + btr_page_set_prev(upper_page, upper_page_zip, lower_page_no, mtr); + btr_page_set_next(upper_page, upper_page_zip, next_page_no, mtr); +} + +/*************************************************************//** +Splits an index page to halves and inserts the tuple. It is assumed +that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is +released within this function! NOTE that the operation of this +function must always succeed, we cannot reverse it: therefore enough +free disk space (2 pages) must be guaranteed to be available before +this function is called. + +@return inserted record */ +UNIV_INTERN +rec_t* +btr_page_split_and_insert( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert; when the + function returns, the cursor is positioned + on the predecessor of the inserted record */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + page_t* page; + page_zip_des_t* page_zip; + ulint page_no; + byte direction; + ulint hint_page_no; + buf_block_t* new_block; + page_t* new_page; + page_zip_des_t* new_page_zip; + rec_t* split_rec; + buf_block_t* left_block; + buf_block_t* right_block; + buf_block_t* insert_block; + page_t* insert_page; + page_cur_t* page_cursor; + rec_t* first_rec; + byte* buf = 0; /* remove warning */ + rec_t* move_limit; + ibool insert_will_fit; + ibool insert_left; + ulint n_iterations = 0; + rec_t* rec; + mem_heap_t* heap; + ulint n_uniq; + ulint* offsets; + + heap = mem_heap_create(1024); + n_uniq = dict_index_get_n_unique_in_tree(cursor->index); +func_start: + mem_heap_empty(heap); + offsets = NULL; + + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(cursor->index), + MTR_MEMO_X_LOCK)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(dict_index_get_lock(cursor->index), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + block = btr_cur_get_block(cursor); + page = buf_block_get_frame(block); + page_zip = buf_block_get_page_zip(block); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_get_n_recs(page) >= 1); + + page_no = buf_block_get_page_no(block); + + /* 1. Decide the split record; split_rec == NULL means that the + tuple to be inserted should be the first record on the upper + half-page */ + + if (n_iterations > 0) { + direction = FSP_UP; + hint_page_no = page_no + 1; + split_rec = btr_page_get_sure_split_rec(cursor, tuple, n_ext); + + } else if (btr_page_get_split_rec_to_right(cursor, &split_rec)) { + direction = FSP_UP; + hint_page_no = page_no + 1; + + } else if (btr_page_get_split_rec_to_left(cursor, &split_rec)) { + direction = FSP_DOWN; + hint_page_no = page_no - 1; + } else { + direction = FSP_UP; + hint_page_no = page_no + 1; + + if (page_get_n_recs(page) == 1) { + page_cur_t pcur; + + /* There is only one record in the index page + therefore we can't split the node in the middle + by default. We need to determine whether the + new record will be inserted to the left or right. */ + + /* Read the first (and only) record in the page. */ + page_cur_set_before_first(block, &pcur); + page_cur_move_to_next(&pcur); + first_rec = page_cur_get_rec(&pcur); + + offsets = rec_get_offsets( + first_rec, cursor->index, offsets, + n_uniq, &heap); + + /* If the new record is less than the existing record + the split in the middle will copy the existing + record to the new node. */ + if (cmp_dtuple_rec(tuple, first_rec, offsets) < 0) { + split_rec = page_get_middle_rec(page); + } else { + split_rec = NULL; + } + } else { + split_rec = page_get_middle_rec(page); + } + } + + /* 2. Allocate a new page to the index */ + new_block = btr_page_alloc(cursor->index, hint_page_no, direction, + btr_page_get_level(page, mtr), mtr); + new_page = buf_block_get_frame(new_block); + new_page_zip = buf_block_get_page_zip(new_block); + btr_page_create(new_block, new_page_zip, cursor->index, + btr_page_get_level(page, mtr), mtr); + + /* 3. Calculate the first record on the upper half-page, and the + first record (move_limit) on original page which ends up on the + upper half */ + + if (split_rec) { + first_rec = move_limit = split_rec; + + offsets = rec_get_offsets(split_rec, cursor->index, offsets, + n_uniq, &heap); + + insert_left = cmp_dtuple_rec(tuple, split_rec, offsets) < 0; + + if (UNIV_UNLIKELY(!insert_left && new_page_zip + && n_iterations > 0)) { + /* If a compressed page has already been split, + avoid further splits by inserting the record + to an empty page. */ + split_rec = NULL; + goto insert_right; + } + } else { +insert_right: + insert_left = FALSE; + buf = mem_alloc(rec_get_converted_size(cursor->index, + tuple, n_ext)); + + first_rec = rec_convert_dtuple_to_rec(buf, cursor->index, + tuple, n_ext); + move_limit = page_rec_get_next(btr_cur_get_rec(cursor)); + } + + /* 4. Do first the modifications in the tree structure */ + + btr_attach_half_pages(cursor->index, block, + first_rec, new_block, direction, mtr); + + /* If the split is made on the leaf level and the insert will fit + on the appropriate half-page, we may release the tree x-latch. + We can then move the records after releasing the tree latch, + thus reducing the tree latch contention. */ + + if (split_rec) { + insert_will_fit = !new_page_zip + && btr_page_insert_fits(cursor, split_rec, + offsets, tuple, n_ext, heap); + } else { + mem_free(buf); + insert_will_fit = !new_page_zip + && btr_page_insert_fits(cursor, NULL, + NULL, tuple, n_ext, heap); + } + + if (insert_will_fit && page_is_leaf(page)) { + + mtr_memo_release(mtr, dict_index_get_lock(cursor->index), + MTR_MEMO_X_LOCK); + } + + /* 5. Move then the records to the new page */ + if (direction == FSP_DOWN) { + /* fputs("Split left\n", stderr); */ + + if (0 +#ifdef UNIV_ZIP_COPY + || page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY + (!page_move_rec_list_start(new_block, block, move_limit, + cursor->index, mtr))) { + /* For some reason, compressing new_page failed, + even though it should contain fewer records than + the original page. Copy the page byte for byte + and then delete the records from both pages + as appropriate. Deleting will always succeed. */ + ut_a(new_page_zip); + + page_zip_copy_recs(new_page_zip, new_page, + page_zip, page, cursor->index, mtr); + page_delete_rec_list_end(move_limit - page + new_page, + new_block, cursor->index, + ULINT_UNDEFINED, + ULINT_UNDEFINED, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_start( + new_block, block, move_limit, + new_page + PAGE_NEW_INFIMUM); + + btr_search_move_or_delete_hash_entries( + new_block, block, cursor->index); + + /* Delete the records from the source page. */ + + page_delete_rec_list_start(move_limit, block, + cursor->index, mtr); + } + + left_block = new_block; + right_block = block; + + lock_update_split_left(right_block, left_block); + } else { + /* fputs("Split right\n", stderr); */ + + if (0 +#ifdef UNIV_ZIP_COPY + || page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY + (!page_move_rec_list_end(new_block, block, move_limit, + cursor->index, mtr))) { + /* For some reason, compressing new_page failed, + even though it should contain fewer records than + the original page. Copy the page byte for byte + and then delete the records from both pages + as appropriate. Deleting will always succeed. */ + ut_a(new_page_zip); + + page_zip_copy_recs(new_page_zip, new_page, + page_zip, page, cursor->index, mtr); + page_delete_rec_list_start(move_limit - page + + new_page, new_block, + cursor->index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(new_block, block, move_limit); + + btr_search_move_or_delete_hash_entries( + new_block, block, cursor->index); + + /* Delete the records from the source page. */ + + page_delete_rec_list_end(move_limit, block, + cursor->index, + ULINT_UNDEFINED, + ULINT_UNDEFINED, mtr); + } + + left_block = block; + right_block = new_block; + + lock_update_split_right(right_block, left_block); + } + +#ifdef UNIV_ZIP_DEBUG + if (UNIV_LIKELY_NULL(page_zip)) { + ut_a(page_zip_validate(page_zip, page)); + ut_a(page_zip_validate(new_page_zip, new_page)); + } +#endif /* UNIV_ZIP_DEBUG */ + + /* At this point, split_rec, move_limit and first_rec may point + to garbage on the old page. */ + + /* 6. The split and the tree modification is now completed. Decide the + page where the tuple should be inserted */ + + if (insert_left) { + insert_block = left_block; + } else { + insert_block = right_block; + } + + insert_page = buf_block_get_frame(insert_block); + + /* 7. Reposition the cursor for insert and try insertion */ + page_cursor = btr_cur_get_page_cur(cursor); + + page_cur_search(insert_block, cursor->index, tuple, + PAGE_CUR_LE, page_cursor); + + rec = page_cur_tuple_insert(page_cursor, tuple, + cursor->index, n_ext, mtr); + +#ifdef UNIV_ZIP_DEBUG + { + page_zip_des_t* insert_page_zip + = buf_block_get_page_zip(insert_block); + ut_a(!insert_page_zip + || page_zip_validate(insert_page_zip, insert_page)); + } +#endif /* UNIV_ZIP_DEBUG */ + + if (UNIV_LIKELY(rec != NULL)) { + + goto func_exit; + } + + /* 8. If insert did not fit, try page reorganization */ + + if (UNIV_UNLIKELY + (!btr_page_reorganize(insert_block, cursor->index, mtr))) { + + goto insert_failed; + } + + page_cur_search(insert_block, cursor->index, tuple, + PAGE_CUR_LE, page_cursor); + rec = page_cur_tuple_insert(page_cursor, tuple, cursor->index, + n_ext, mtr); + + if (UNIV_UNLIKELY(rec == NULL)) { + /* The insert did not fit on the page: loop back to the + start of the function for a new split */ +insert_failed: + /* We play safe and reset the free bits for new_page */ + if (!dict_index_is_clust(cursor->index)) { + ibuf_reset_free_bits(new_block); + } + + /* fprintf(stderr, "Split second round %lu\n", + page_get_page_no(page)); */ + n_iterations++; + ut_ad(n_iterations < 2 + || buf_block_get_page_zip(insert_block)); + ut_ad(!insert_will_fit); + + goto func_start; + } + +func_exit: + /* Insert fit on the page: update the free bits for the + left and right pages in the same mtr */ + + if (!dict_index_is_clust(cursor->index) && page_is_leaf(page)) { + ibuf_update_free_bits_for_two_pages_low( + buf_block_get_zip_size(left_block), + left_block, right_block, mtr); + } + +#if 0 + fprintf(stderr, "Split and insert done %lu %lu\n", + buf_block_get_page_no(left_block), + buf_block_get_page_no(right_block)); +#endif + + ut_ad(page_validate(buf_block_get_frame(left_block), cursor->index)); + ut_ad(page_validate(buf_block_get_frame(right_block), cursor->index)); + + mem_heap_free(heap); + return(rec); +} + +/*************************************************************//** +Removes a page from the level list of pages. */ +static +void +btr_level_list_remove( +/*==================*/ + ulint space, /*!< in: space where removed */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + page_t* page, /*!< in: page to remove */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint prev_page_no; + ulint next_page_no; + + ut_ad(page && mtr); + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); + ut_ad(space == page_get_space_id(page)); + /* Get the previous and next page numbers of page */ + + prev_page_no = btr_page_get_prev(page, mtr); + next_page_no = btr_page_get_next(page, mtr); + + /* Update page links of the level */ + + if (prev_page_no != FIL_NULL) { + buf_block_t* prev_block + = btr_block_get(space, zip_size, prev_page_no, + RW_X_LATCH, mtr); + page_t* prev_page + = buf_block_get_frame(prev_block); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(prev_page) == page_is_comp(page)); + ut_a(btr_page_get_next(prev_page, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + btr_page_set_next(prev_page, + buf_block_get_page_zip(prev_block), + next_page_no, mtr); + } + + if (next_page_no != FIL_NULL) { + buf_block_t* next_block + = btr_block_get(space, zip_size, next_page_no, + RW_X_LATCH, mtr); + page_t* next_page + = buf_block_get_frame(next_block); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(next_page) == page_is_comp(page)); + ut_a(btr_page_get_prev(next_page, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + btr_page_set_prev(next_page, + buf_block_get_page_zip(next_block), + prev_page_no, mtr); + } +} + +/****************************************************************//** +Writes the redo log record for setting an index record as the predefined +minimum record. */ +UNIV_INLINE +void +btr_set_min_rec_mark_log( +/*=====================*/ + rec_t* rec, /*!< in: record */ + byte type, /*!< in: MLOG_COMP_REC_MIN_MARK or MLOG_REC_MIN_MARK */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_initial_log_record(rec, type, mtr); + + /* Write rec offset as a 2-byte ulint */ + mlog_catenate_ulint(mtr, page_offset(rec), MLOG_2BYTES); +} +#else /* !UNIV_HOTBACKUP */ +# define btr_set_min_rec_mark_log(rec,comp,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/****************************************************************//** +Parses the redo log record for setting an index record as the predefined +minimum record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_parse_set_min_rec_mark( +/*=======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + rec_t* rec; + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + if (page) { + ut_a(!page_is_comp(page) == !comp); + + rec = page + mach_read_from_2(ptr); + + btr_set_min_rec_mark(rec, mtr); + } + + return(ptr + 2); +} + +/****************************************************************//** +Sets a record as the predefined minimum record. */ +UNIV_INTERN +void +btr_set_min_rec_mark( +/*=================*/ + rec_t* rec, /*!< in: record */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint info_bits; + + if (UNIV_LIKELY(page_rec_is_comp(rec))) { + info_bits = rec_get_info_bits(rec, TRUE); + + rec_set_info_bits_new(rec, info_bits | REC_INFO_MIN_REC_FLAG); + + btr_set_min_rec_mark_log(rec, MLOG_COMP_REC_MIN_MARK, mtr); + } else { + info_bits = rec_get_info_bits(rec, FALSE); + + rec_set_info_bits_old(rec, info_bits | REC_INFO_MIN_REC_FLAG); + + btr_set_min_rec_mark_log(rec, MLOG_REC_MIN_MARK, mtr); + } +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Deletes on the upper level the node pointer to a page. */ +UNIV_INTERN +void +btr_node_ptr_delete( +/*================*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page whose node pointer is deleted */ + mtr_t* mtr) /*!< in: mtr */ +{ + btr_cur_t cursor; + ibool compressed; + ulint err; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + + /* Delete node pointer on father page */ + btr_page_get_father(index, block, mtr, &cursor); + + compressed = btr_cur_pessimistic_delete(&err, TRUE, &cursor, RB_NONE, + mtr); + ut_a(err == DB_SUCCESS); + + if (!compressed) { + btr_cur_compress_if_useful(&cursor, mtr); + } +} + +/*************************************************************//** +If page is the only on its level, this function moves its records to the +father page, thus reducing the tree height. */ +static +void +btr_lift_page_up( +/*=============*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page which is the only on its level; + must not be empty: use + btr_discard_only_page_on_level if the last + record from the page should be removed */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* father_block; + page_t* father_page; + ulint page_level; + page_zip_des_t* father_page_zip; + page_t* page = buf_block_get_frame(block); + ulint root_page_no; + buf_block_t* blocks[BTR_MAX_LEVELS]; + ulint n_blocks; /*!< last used index in blocks[] */ + ulint i; + + ut_ad(btr_page_get_prev(page, mtr) == FIL_NULL); + ut_ad(btr_page_get_next(page, mtr) == FIL_NULL); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + + page_level = btr_page_get_level(page, mtr); + root_page_no = dict_index_get_page(index); + + { + btr_cur_t cursor; + mem_heap_t* heap = mem_heap_create(100); + ulint* offsets; + buf_block_t* b; + + offsets = btr_page_get_father_block(NULL, heap, index, + block, mtr, &cursor); + father_block = btr_cur_get_block(&cursor); + father_page_zip = buf_block_get_page_zip(father_block); + father_page = buf_block_get_frame(father_block); + + n_blocks = 0; + + /* Store all ancestor pages so we can reset their + levels later on. We have to do all the searches on + the tree now because later on, after we've replaced + the first level, the tree is in an inconsistent state + and can not be searched. */ + for (b = father_block; + buf_block_get_page_no(b) != root_page_no; ) { + ut_a(n_blocks < BTR_MAX_LEVELS); + + offsets = btr_page_get_father_block(offsets, heap, + index, b, + mtr, &cursor); + + blocks[n_blocks++] = b = btr_cur_get_block(&cursor); + } + + mem_heap_free(heap); + } + + btr_search_drop_page_hash_index(block); + + /* Make the father empty */ + btr_page_empty(father_block, father_page_zip, index, page_level, mtr); + + /* Copy the records to the father page one by one. */ + if (0 +#ifdef UNIV_ZIP_COPY + || father_page_zip +#endif /* UNIV_ZIP_COPY */ + || UNIV_UNLIKELY + (!page_copy_rec_list_end(father_block, block, + page_get_infimum_rec(page), + index, mtr))) { + const page_zip_des_t* page_zip + = buf_block_get_page_zip(block); + ut_a(father_page_zip); + ut_a(page_zip); + + /* Copy the page byte for byte. */ + page_zip_copy_recs(father_page_zip, father_page, + page_zip, page, index, mtr); + + /* Update the lock table and possible hash index. */ + + lock_move_rec_list_end(father_block, block, + page_get_infimum_rec(page)); + + btr_search_move_or_delete_hash_entries(father_block, block, + index); + } + + lock_update_copy_and_discard(father_block, block); + + /* Go upward to root page, decrementing levels by one. */ + for (i = 0; i < n_blocks; i++, page_level++) { + page_t* page = buf_block_get_frame(blocks[i]); + page_zip_des_t* page_zip= buf_block_get_page_zip(blocks[i]); + + ut_ad(btr_page_get_level(page, mtr) == page_level + 1); + + btr_page_set_level(page, page_zip, page_level, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + } + + /* Free the file page */ + btr_page_free(index, block, mtr); + + /* We play it safe and reset the free bits for the father */ + if (!dict_index_is_clust(index)) { + ibuf_reset_free_bits(father_block); + } + ut_ad(page_validate(father_page, index)); + ut_ad(btr_check_node_ptr(index, father_block, mtr)); +} + +/*************************************************************//** +Tries to merge the page first to the left immediate brother if such a +brother exists, and the node pointers to the current page and to the brother +reside on the same page. If the left brother does not satisfy these +conditions, looks at the right brother. If the page is the only one on that +level lifts the records of the page to the father page, thus reducing the +tree height. It is assumed that mtr holds an x-latch on the tree and on the +page. If cursor is on the leaf level, mtr must also hold x-latches to the +brothers, if they exist. +@return TRUE on success */ +UNIV_INTERN +ibool +btr_compress( +/*=========*/ + btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; + the page must not be empty: in record delete + use btr_discard_page if the page would become + empty */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + ulint space; + ulint zip_size; + ulint left_page_no; + ulint right_page_no; + buf_block_t* merge_block; + page_t* merge_page; + page_zip_des_t* merge_page_zip; + ibool is_left; + buf_block_t* block; + page_t* page; + btr_cur_t father_cursor; + mem_heap_t* heap; + ulint* offsets; + ulint data_size; + ulint n_recs; + ulint max_ins_size; + ulint max_ins_size_reorg; + ulint level; + + block = btr_cur_get_block(cursor); + page = btr_cur_get_page(cursor); + index = btr_cur_get_index(cursor); + ut_a((ibool) !!page_is_comp(page) == dict_table_is_comp(index->table)); + + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + level = btr_page_get_level(page, mtr); + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + + left_page_no = btr_page_get_prev(page, mtr); + right_page_no = btr_page_get_next(page, mtr); + +#if 0 + fprintf(stderr, "Merge left page %lu right %lu \n", + left_page_no, right_page_no); +#endif + + heap = mem_heap_create(100); + offsets = btr_page_get_father_block(NULL, heap, index, block, mtr, + &father_cursor); + + /* Decide the page to which we try to merge and which will inherit + the locks */ + + is_left = left_page_no != FIL_NULL; + + if (is_left) { + + merge_block = btr_block_get(space, zip_size, left_page_no, + RW_X_LATCH, mtr); + merge_page = buf_block_get_frame(merge_block); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_next(merge_page, mtr) + == buf_block_get_page_no(block)); +#endif /* UNIV_BTR_DEBUG */ + } else if (right_page_no != FIL_NULL) { + + merge_block = btr_block_get(space, zip_size, right_page_no, + RW_X_LATCH, mtr); + merge_page = buf_block_get_frame(merge_block); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_prev(merge_page, mtr) + == buf_block_get_page_no(block)); +#endif /* UNIV_BTR_DEBUG */ + } else { + /* The page is the only one on the level, lift the records + to the father */ + btr_lift_page_up(index, block, mtr); + mem_heap_free(heap); + return(TRUE); + } + + n_recs = page_get_n_recs(page); + data_size = page_get_data_size(page); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(merge_page) == page_is_comp(page)); +#endif /* UNIV_BTR_DEBUG */ + + max_ins_size_reorg = page_get_max_insert_size_after_reorganize( + merge_page, n_recs); + if (data_size > max_ins_size_reorg) { + + /* No space for merge */ +err_exit: + /* We play it safe and reset the free bits. */ + if (zip_size + && page_is_leaf(merge_page) + && !dict_index_is_clust(index)) { + ibuf_reset_free_bits(merge_block); + } + + mem_heap_free(heap); + return(FALSE); + } + + ut_ad(page_validate(merge_page, index)); + + max_ins_size = page_get_max_insert_size(merge_page, n_recs); + + if (UNIV_UNLIKELY(data_size > max_ins_size)) { + + /* We have to reorganize merge_page */ + + if (UNIV_UNLIKELY(!btr_page_reorganize(merge_block, + index, mtr))) { + + goto err_exit; + } + + max_ins_size = page_get_max_insert_size(merge_page, n_recs); + + ut_ad(page_validate(merge_page, index)); + ut_ad(max_ins_size == max_ins_size_reorg); + + if (UNIV_UNLIKELY(data_size > max_ins_size)) { + + /* Add fault tolerance, though this should + never happen */ + + goto err_exit; + } + } + + merge_page_zip = buf_block_get_page_zip(merge_block); +#ifdef UNIV_ZIP_DEBUG + if (UNIV_LIKELY_NULL(merge_page_zip)) { + const page_zip_des_t* page_zip + = buf_block_get_page_zip(block); + ut_a(page_zip); + ut_a(page_zip_validate(merge_page_zip, merge_page)); + ut_a(page_zip_validate(page_zip, page)); + } +#endif /* UNIV_ZIP_DEBUG */ + + /* Move records to the merge page */ + if (is_left) { + rec_t* orig_pred = page_copy_rec_list_start( + merge_block, block, page_get_supremum_rec(page), + index, mtr); + + if (UNIV_UNLIKELY(!orig_pred)) { + goto err_exit; + } + + btr_search_drop_page_hash_index(block); + + /* Remove the page from the level list */ + btr_level_list_remove(space, zip_size, page, mtr); + + btr_node_ptr_delete(index, block, mtr); + lock_update_merge_left(merge_block, orig_pred, block); + } else { + rec_t* orig_succ; +#ifdef UNIV_BTR_DEBUG + byte fil_page_prev[4]; +#endif /* UNIV_BTR_DEBUG */ + + if (UNIV_LIKELY_NULL(merge_page_zip)) { + /* The function page_zip_compress(), which will be + invoked by page_copy_rec_list_end() below, + requires that FIL_PAGE_PREV be FIL_NULL. + Clear the field, but prepare to restore it. */ +#ifdef UNIV_BTR_DEBUG + memcpy(fil_page_prev, merge_page + FIL_PAGE_PREV, 4); +#endif /* UNIV_BTR_DEBUG */ +#if FIL_NULL != 0xffffffff +# error "FIL_NULL != 0xffffffff" +#endif + memset(merge_page + FIL_PAGE_PREV, 0xff, 4); + } + + orig_succ = page_copy_rec_list_end(merge_block, block, + page_get_infimum_rec(page), + cursor->index, mtr); + + if (UNIV_UNLIKELY(!orig_succ)) { + ut_a(merge_page_zip); +#ifdef UNIV_BTR_DEBUG + /* FIL_PAGE_PREV was restored from merge_page_zip. */ + ut_a(!memcmp(fil_page_prev, + merge_page + FIL_PAGE_PREV, 4)); +#endif /* UNIV_BTR_DEBUG */ + goto err_exit; + } + + btr_search_drop_page_hash_index(block); + +#ifdef UNIV_BTR_DEBUG + if (UNIV_LIKELY_NULL(merge_page_zip)) { + /* Restore FIL_PAGE_PREV in order to avoid an assertion + failure in btr_level_list_remove(), which will set + the field again to FIL_NULL. Even though this makes + merge_page and merge_page_zip inconsistent for a + split second, it is harmless, because the pages + are X-latched. */ + memcpy(merge_page + FIL_PAGE_PREV, fil_page_prev, 4); + } +#endif /* UNIV_BTR_DEBUG */ + + /* Remove the page from the level list */ + btr_level_list_remove(space, zip_size, page, mtr); + + /* Replace the address of the old child node (= page) with the + address of the merge page to the right */ + + btr_node_ptr_set_child_page_no( + btr_cur_get_rec(&father_cursor), + btr_cur_get_page_zip(&father_cursor), + offsets, right_page_no, mtr); + btr_node_ptr_delete(index, merge_block, mtr); + + lock_update_merge_right(merge_block, orig_succ, block); + } + + mem_heap_free(heap); + + if (!dict_index_is_clust(index) && page_is_leaf(merge_page)) { + /* Update the free bits of the B-tree page in the + insert buffer bitmap. This has to be done in a + separate mini-transaction that is committed before the + main mini-transaction. We cannot update the insert + buffer bitmap in this mini-transaction, because + btr_compress() can be invoked recursively without + committing the mini-transaction in between. Since + insert buffer bitmap pages have a lower rank than + B-tree pages, we must not access other pages in the + same mini-transaction after accessing an insert buffer + bitmap page. */ + + /* The free bits in the insert buffer bitmap must + never exceed the free space on a page. It is safe to + decrement or reset the bits in the bitmap in a + mini-transaction that is committed before the + mini-transaction that affects the free space. */ + + /* It is unsafe to increment the bits in a separately + committed mini-transaction, because in crash recovery, + the free bits could momentarily be set too high. */ + + if (zip_size) { + /* Because the free bits may be incremented + and we cannot update the insert buffer bitmap + in the same mini-transaction, the only safe + thing we can do here is the pessimistic + approach: reset the free bits. */ + ibuf_reset_free_bits(merge_block); + } else { + /* On uncompressed pages, the free bits will + never increase here. Thus, it is safe to + write the bits accurately in a separate + mini-transaction. */ + ibuf_update_free_bits_if_full(merge_block, + UNIV_PAGE_SIZE, + ULINT_UNDEFINED); + } + } + + ut_ad(page_validate(merge_page, index)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!merge_page_zip || page_zip_validate(merge_page_zip, merge_page)); +#endif /* UNIV_ZIP_DEBUG */ + + /* Free the file page */ + btr_page_free(index, block, mtr); + + ut_ad(btr_check_node_ptr(index, merge_block, mtr)); + return(TRUE); +} + +/*************************************************************//** +Discards a page that is the only page on its level. This will empty +the whole B-tree, leaving just an empty root page. This function +should never be reached, because btr_compress(), which is invoked in +delete operations, calls btr_lift_page_up() to flatten the B-tree. */ +static +void +btr_discard_only_page_on_level( +/*===========================*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page which is the only on its level */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint page_level = 0; + trx_id_t max_trx_id; + + /* Save the PAGE_MAX_TRX_ID from the leaf page. */ + max_trx_id = page_get_max_trx_id(buf_block_get_frame(block)); + + while (buf_block_get_page_no(block) != dict_index_get_page(index)) { + btr_cur_t cursor; + buf_block_t* father; + const page_t* page = buf_block_get_frame(block); + + ut_a(page_get_n_recs(page) == 1); + ut_a(page_level == btr_page_get_level(page, mtr)); + ut_a(btr_page_get_prev(page, mtr) == FIL_NULL); + ut_a(btr_page_get_next(page, mtr) == FIL_NULL); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + btr_search_drop_page_hash_index(block); + + btr_page_get_father(index, block, mtr, &cursor); + father = btr_cur_get_block(&cursor); + + lock_update_discard(father, PAGE_HEAP_NO_SUPREMUM, block); + + /* Free the file page */ + btr_page_free(index, block, mtr); + + block = father; + page_level++; + } + + /* block is the root page, which must be empty, except + for the node pointer to the (now discarded) block(s). */ + +#ifdef UNIV_BTR_DEBUG + if (!dict_index_is_ibuf(index)) { + const page_t* root = buf_block_get_frame(block); + const ulint space = dict_index_get_space(index); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF + + root, space)); + ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP + + root, space)); + } +#endif /* UNIV_BTR_DEBUG */ + + btr_page_empty(block, buf_block_get_page_zip(block), index, 0, mtr); + + if (!dict_index_is_clust(index)) { + /* We play it safe and reset the free bits for the root */ + ibuf_reset_free_bits(block); + + if (page_is_leaf(buf_block_get_frame(block))) { + ut_a(!ut_dulint_is_zero(max_trx_id)); + page_set_max_trx_id(block, + buf_block_get_page_zip(block), + max_trx_id, mtr); + } + } +} + +/*************************************************************//** +Discards a page from a B-tree. This is used to remove the last record from +a B-tree page: the whole page must be removed at the same time. This cannot +be used for the root page, which is allowed to be empty. */ +UNIV_INTERN +void +btr_discard_page( +/*=============*/ + btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on + the root page */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + ulint space; + ulint zip_size; + ulint left_page_no; + ulint right_page_no; + buf_block_t* merge_block; + page_t* merge_page; + buf_block_t* block; + page_t* page; + rec_t* node_ptr; + + block = btr_cur_get_block(cursor); + index = btr_cur_get_index(cursor); + + ut_ad(dict_index_get_page(index) != buf_block_get_page_no(block)); + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + + /* Decide the page which will inherit the locks */ + + left_page_no = btr_page_get_prev(buf_block_get_frame(block), mtr); + right_page_no = btr_page_get_next(buf_block_get_frame(block), mtr); + + if (left_page_no != FIL_NULL) { + merge_block = btr_block_get(space, zip_size, left_page_no, + RW_X_LATCH, mtr); + merge_page = buf_block_get_frame(merge_block); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_next(merge_page, mtr) + == buf_block_get_page_no(block)); +#endif /* UNIV_BTR_DEBUG */ + } else if (right_page_no != FIL_NULL) { + merge_block = btr_block_get(space, zip_size, right_page_no, + RW_X_LATCH, mtr); + merge_page = buf_block_get_frame(merge_block); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_prev(merge_page, mtr) + == buf_block_get_page_no(block)); +#endif /* UNIV_BTR_DEBUG */ + } else { + btr_discard_only_page_on_level(index, block, mtr); + + return; + } + + page = buf_block_get_frame(block); + ut_a(page_is_comp(merge_page) == page_is_comp(page)); + btr_search_drop_page_hash_index(block); + + if (left_page_no == FIL_NULL && !page_is_leaf(page)) { + + /* We have to mark the leftmost node pointer on the right + side page as the predefined minimum record */ + node_ptr = page_rec_get_next(page_get_infimum_rec(merge_page)); + + ut_ad(page_rec_is_user_rec(node_ptr)); + + /* This will make page_zip_validate() fail on merge_page + until btr_level_list_remove() completes. This is harmless, + because everything will take place within a single + mini-transaction and because writing to the redo log + is an atomic operation (performed by mtr_commit()). */ + btr_set_min_rec_mark(node_ptr, mtr); + } + + btr_node_ptr_delete(index, block, mtr); + + /* Remove the page from the level list */ + btr_level_list_remove(space, zip_size, page, mtr); +#ifdef UNIV_ZIP_DEBUG + { + page_zip_des_t* merge_page_zip + = buf_block_get_page_zip(merge_block); + ut_a(!merge_page_zip + || page_zip_validate(merge_page_zip, merge_page)); + } +#endif /* UNIV_ZIP_DEBUG */ + + if (left_page_no != FIL_NULL) { + lock_update_discard(merge_block, PAGE_HEAP_NO_SUPREMUM, + block); + } else { + lock_update_discard(merge_block, + lock_get_min_heap_no(merge_block), + block); + } + + /* Free the file page */ + btr_page_free(index, block, mtr); + + ut_ad(btr_check_node_ptr(index, merge_block, mtr)); +} + +#ifdef UNIV_BTR_PRINT +/*************************************************************//** +Prints size info of a B-tree. */ +UNIV_INTERN +void +btr_print_size( +/*===========*/ + dict_index_t* index) /*!< in: index tree */ +{ + page_t* root; + fseg_header_t* seg; + mtr_t mtr; + + if (dict_index_is_ibuf(index)) { + fputs("Sorry, cannot print info of an ibuf tree:" + " use ibuf functions\n", stderr); + + return; + } + + mtr_start(&mtr); + + root = btr_root_get(index, &mtr); + + seg = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; + + fputs("INFO OF THE NON-LEAF PAGE SEGMENT\n", stderr); + fseg_print(seg, &mtr); + + if (!(index->type & DICT_UNIVERSAL)) { + + seg = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; + + fputs("INFO OF THE LEAF PAGE SEGMENT\n", stderr); + fseg_print(seg, &mtr); + } + + mtr_commit(&mtr); +} + +/************************************************************//** +Prints recursively index tree pages. */ +static +void +btr_print_recursive( +/*================*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + ulint width, /*!< in: print this many entries from start + and end */ + mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ + ulint** offsets,/*!< in/out: buffer for rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr */ +{ + const page_t* page = buf_block_get_frame(block); + page_cur_t cursor; + ulint n_recs; + ulint i = 0; + mtr_t mtr2; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + fprintf(stderr, "NODE ON LEVEL %lu page number %lu\n", + (ulong) btr_page_get_level(page, mtr), + (ulong) buf_block_get_page_no(block)); + + page_print(block, index, width, width); + + n_recs = page_get_n_recs(page); + + page_cur_set_before_first(block, &cursor); + page_cur_move_to_next(&cursor); + + while (!page_cur_is_after_last(&cursor)) { + + if (page_is_leaf(page)) { + + /* If this is the leaf level, do nothing */ + + } else if ((i <= width) || (i >= n_recs - width)) { + + const rec_t* node_ptr; + + mtr_start(&mtr2); + + node_ptr = page_cur_get_rec(&cursor); + + *offsets = rec_get_offsets(node_ptr, index, *offsets, + ULINT_UNDEFINED, heap); + btr_print_recursive(index, + btr_node_ptr_get_child(node_ptr, + index, + *offsets, + &mtr2), + width, heap, offsets, &mtr2); + mtr_commit(&mtr2); + } + + page_cur_move_to_next(&cursor); + i++; + } +} + +/**************************************************************//** +Prints directories and other info of all nodes in the tree. */ +UNIV_INTERN +void +btr_print_index( +/*============*/ + dict_index_t* index, /*!< in: index */ + ulint width) /*!< in: print this many entries from start + and end */ +{ + mtr_t mtr; + buf_block_t* root; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + fputs("--------------------------\n" + "INDEX TREE PRINT\n", stderr); + + mtr_start(&mtr); + + root = btr_root_block_get(index, &mtr); + + btr_print_recursive(index, root, width, &heap, &offsets, &mtr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + mtr_commit(&mtr); + + btr_validate_index(index, NULL); +} +#endif /* UNIV_BTR_PRINT */ + +#ifdef UNIV_DEBUG +/************************************************************//** +Checks that the node pointer to a page is appropriate. +@return TRUE */ +UNIV_INTERN +ibool +btr_check_node_ptr( +/*===============*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + mtr_t* mtr) /*!< in: mtr */ +{ + mem_heap_t* heap; + dtuple_t* tuple; + ulint* offsets; + btr_cur_t cursor; + page_t* page = buf_block_get_frame(block); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + if (dict_index_get_page(index) == buf_block_get_page_no(block)) { + + return(TRUE); + } + + heap = mem_heap_create(256); + offsets = btr_page_get_father_block(NULL, heap, index, block, mtr, + &cursor); + + if (page_is_leaf(page)) { + + goto func_exit; + } + + tuple = dict_index_build_node_ptr( + index, page_rec_get_next(page_get_infimum_rec(page)), 0, heap, + btr_page_get_level(page, mtr)); + + ut_a(!cmp_dtuple_rec(tuple, btr_cur_get_rec(&cursor), offsets)); +func_exit: + mem_heap_free(heap); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +/************************************************************//** +Display identification information for a record. */ +static +void +btr_index_rec_validate_report( +/*==========================*/ + const page_t* page, /*!< in: index page */ + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index) /*!< in: index */ +{ + fputs("InnoDB: Record in ", stderr); + dict_index_name_print(stderr, NULL, index); + fprintf(stderr, ", page %lu, at offset %lu\n", + page_get_page_no(page), (ulint) page_offset(rec)); +} + +/************************************************************//** +Checks the size and number of fields in a record based on the definition of +the index. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_index_rec_validate( +/*===================*/ + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index, /*!< in: index */ + ibool dump_on_error) /*!< in: TRUE if the function + should print hex dump of record + and page on error */ +{ + ulint len; + ulint n; + ulint i; + const page_t* page; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + page = page_align(rec); + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + /* The insert buffer index tree can contain records from any + other index: we cannot check the number of fields or + their length */ + + return(TRUE); + } + + if (UNIV_UNLIKELY((ibool)!!page_is_comp(page) + != dict_table_is_comp(index->table))) { + btr_index_rec_validate_report(page, rec, index); + fprintf(stderr, "InnoDB: compact flag=%lu, should be %lu\n", + (ulong) !!page_is_comp(page), + (ulong) dict_table_is_comp(index->table)); + + return(FALSE); + } + + n = dict_index_get_n_fields(index); + + if (!page_is_comp(page) + && UNIV_UNLIKELY(rec_get_n_fields_old(rec) != n)) { + btr_index_rec_validate_report(page, rec, index); + fprintf(stderr, "InnoDB: has %lu fields, should have %lu\n", + (ulong) rec_get_n_fields_old(rec), (ulong) n); + + if (dump_on_error) { + buf_page_print(page, 0); + + fputs("InnoDB: corrupt record ", stderr); + rec_print_old(stderr, rec); + putc('\n', stderr); + } + return(FALSE); + } + + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + + for (i = 0; i < n; i++) { + ulint fixed_size = dict_col_get_fixed_size( + dict_index_get_nth_col(index, i), page_is_comp(page)); + + rec_get_nth_field_offs(offsets, i, &len); + + /* Note that if fixed_size != 0, it equals the + length of a fixed-size column in the clustered index. + A prefix index of the column is of fixed, but different + length. When fixed_size == 0, prefix_len is the maximum + length of the prefix index column. */ + + if ((dict_index_get_nth_field(index, i)->prefix_len == 0 + && len != UNIV_SQL_NULL && fixed_size + && len != fixed_size) + || (dict_index_get_nth_field(index, i)->prefix_len > 0 + && len != UNIV_SQL_NULL + && len + > dict_index_get_nth_field(index, i)->prefix_len)) { + + btr_index_rec_validate_report(page, rec, index); + fprintf(stderr, + "InnoDB: field %lu len is %lu," + " should be %lu\n", + (ulong) i, (ulong) len, (ulong) fixed_size); + + if (dump_on_error) { + buf_page_print(page, 0); + + fputs("InnoDB: corrupt record ", stderr); + rec_print_new(stderr, rec, offsets); + putc('\n', stderr); + } + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(FALSE); + } + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(TRUE); +} + +/************************************************************//** +Checks the size and number of fields in records based on the definition of +the index. +@return TRUE if ok */ +static +ibool +btr_index_page_validate( +/*====================*/ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index) /*!< in: index */ +{ + page_cur_t cur; + ibool ret = TRUE; + + page_cur_set_before_first(block, &cur); + page_cur_move_to_next(&cur); + + for (;;) { + if (page_cur_is_after_last(&cur)) { + + break; + } + + if (!btr_index_rec_validate(cur.rec, index, TRUE)) { + + return(FALSE); + } + + page_cur_move_to_next(&cur); + } + + return(ret); +} + +/************************************************************//** +Report an error on one page of an index tree. */ +static +void +btr_validate_report1( +/*=================*/ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: B-tree level */ + const buf_block_t* block) /*!< in: index page */ +{ + fprintf(stderr, "InnoDB: Error in page %lu of ", + buf_block_get_page_no(block)); + dict_index_name_print(stderr, NULL, index); + if (level) { + fprintf(stderr, ", index tree level %lu", level); + } + putc('\n', stderr); +} + +/************************************************************//** +Report an error on two pages of an index tree. */ +static +void +btr_validate_report2( +/*=================*/ + const dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: B-tree level */ + const buf_block_t* block1, /*!< in: first index page */ + const buf_block_t* block2) /*!< in: second index page */ +{ + fprintf(stderr, "InnoDB: Error in pages %lu and %lu of ", + buf_block_get_page_no(block1), + buf_block_get_page_no(block2)); + dict_index_name_print(stderr, NULL, index); + if (level) { + fprintf(stderr, ", index tree level %lu", level); + } + putc('\n', stderr); +} + +/************************************************************//** +Validates index tree level. +@return TRUE if ok */ +static +ibool +btr_validate_level( +/*===============*/ + dict_index_t* index, /*!< in: index tree */ + trx_t* trx, /*!< in: transaction or NULL */ + ulint level) /*!< in: level number */ +{ + ulint space; + ulint zip_size; + buf_block_t* block; + page_t* page; + buf_block_t* right_block = 0; /* remove warning */ + page_t* right_page = 0; /* remove warning */ + page_t* father_page; + btr_cur_t node_cur; + btr_cur_t right_node_cur; + rec_t* rec; + ulint right_page_no; + ulint left_page_no; + page_cur_t cursor; + dtuple_t* node_ptr_tuple; + ibool ret = TRUE; + mtr_t mtr; + mem_heap_t* heap = mem_heap_create(256); + ulint* offsets = NULL; + ulint* offsets2= NULL; +#ifdef UNIV_ZIP_DEBUG + page_zip_des_t* page_zip; +#endif /* UNIV_ZIP_DEBUG */ + + mtr_start(&mtr); + + mtr_x_lock(dict_index_get_lock(index), &mtr); + + block = btr_root_block_get(index, &mtr); + page = buf_block_get_frame(block); + + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + + while (level != btr_page_get_level(page, &mtr)) { + const rec_t* node_ptr; + + ut_a(space == buf_block_get_space(block)); + ut_a(space == page_get_space_id(page)); +#ifdef UNIV_ZIP_DEBUG + page_zip = buf_block_get_page_zip(block); + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + ut_a(!page_is_leaf(page)); + + page_cur_set_before_first(block, &cursor); + page_cur_move_to_next(&cursor); + + node_ptr = page_cur_get_rec(&cursor); + offsets = rec_get_offsets(node_ptr, index, offsets, + ULINT_UNDEFINED, &heap); + block = btr_node_ptr_get_child(node_ptr, index, offsets, &mtr); + page = buf_block_get_frame(block); + } + + /* Now we are on the desired level. Loop through the pages on that + level. */ +loop: + if (trx_is_interrupted(trx)) { + mtr_commit(&mtr); + mem_heap_free(heap); + return(ret); + } + mem_heap_empty(heap); + offsets = offsets2 = NULL; + mtr_x_lock(dict_index_get_lock(index), &mtr); + +#ifdef UNIV_ZIP_DEBUG + page_zip = buf_block_get_page_zip(block); + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + /* Check ordering etc. of records */ + + if (!page_validate(page, index)) { + btr_validate_report1(index, level, block); + + ret = FALSE; + } else if (level == 0) { + /* We are on level 0. Check that the records have the right + number of fields, and field lengths are right. */ + + if (!btr_index_page_validate(block, index)) { + + ret = FALSE; + } + } + + ut_a(btr_page_get_level(page, &mtr) == level); + + right_page_no = btr_page_get_next(page, &mtr); + left_page_no = btr_page_get_prev(page, &mtr); + + ut_a(page_get_n_recs(page) > 0 || (level == 0 + && page_get_page_no(page) + == dict_index_get_page(index))); + + if (right_page_no != FIL_NULL) { + const rec_t* right_rec; + right_block = btr_block_get(space, zip_size, right_page_no, + RW_X_LATCH, &mtr); + right_page = buf_block_get_frame(right_block); + if (UNIV_UNLIKELY(btr_page_get_prev(right_page, &mtr) + != page_get_page_no(page))) { + btr_validate_report2(index, level, block, right_block); + fputs("InnoDB: broken FIL_PAGE_NEXT" + " or FIL_PAGE_PREV links\n", stderr); + buf_page_print(page, 0); + buf_page_print(right_page, 0); + + ret = FALSE; + } + + if (UNIV_UNLIKELY(page_is_comp(right_page) + != page_is_comp(page))) { + btr_validate_report2(index, level, block, right_block); + fputs("InnoDB: 'compact' flag mismatch\n", stderr); + buf_page_print(page, 0); + buf_page_print(right_page, 0); + + ret = FALSE; + + goto node_ptr_fails; + } + + rec = page_rec_get_prev(page_get_supremum_rec(page)); + right_rec = page_rec_get_next(page_get_infimum_rec( + right_page)); + offsets = rec_get_offsets(rec, index, + offsets, ULINT_UNDEFINED, &heap); + offsets2 = rec_get_offsets(right_rec, index, + offsets2, ULINT_UNDEFINED, &heap); + if (UNIV_UNLIKELY(cmp_rec_rec(rec, right_rec, + offsets, offsets2, + index) >= 0)) { + + btr_validate_report2(index, level, block, right_block); + + fputs("InnoDB: records in wrong order" + " on adjacent pages\n", stderr); + + buf_page_print(page, 0); + buf_page_print(right_page, 0); + + fputs("InnoDB: record ", stderr); + rec = page_rec_get_prev(page_get_supremum_rec(page)); + rec_print(stderr, rec, index); + putc('\n', stderr); + fputs("InnoDB: record ", stderr); + rec = page_rec_get_next( + page_get_infimum_rec(right_page)); + rec_print(stderr, rec, index); + putc('\n', stderr); + + ret = FALSE; + } + } + + if (level > 0 && left_page_no == FIL_NULL) { + ut_a(REC_INFO_MIN_REC_FLAG & rec_get_info_bits( + page_rec_get_next(page_get_infimum_rec(page)), + page_is_comp(page))); + } + + if (buf_block_get_page_no(block) != dict_index_get_page(index)) { + + /* Check father node pointers */ + + rec_t* node_ptr; + + offsets = btr_page_get_father_block(offsets, heap, index, + block, &mtr, &node_cur); + father_page = btr_cur_get_page(&node_cur); + node_ptr = btr_cur_get_rec(&node_cur); + + btr_cur_position( + index, page_rec_get_prev(page_get_supremum_rec(page)), + block, &node_cur); + offsets = btr_page_get_father_node_ptr(offsets, heap, + &node_cur, &mtr); + + if (UNIV_UNLIKELY(node_ptr != btr_cur_get_rec(&node_cur)) + || UNIV_UNLIKELY(btr_node_ptr_get_child_page_no(node_ptr, + offsets) + != buf_block_get_page_no(block))) { + + btr_validate_report1(index, level, block); + + fputs("InnoDB: node pointer to the page is wrong\n", + stderr); + + buf_page_print(father_page, 0); + buf_page_print(page, 0); + + fputs("InnoDB: node ptr ", stderr); + rec_print(stderr, node_ptr, index); + + rec = btr_cur_get_rec(&node_cur); + fprintf(stderr, "\n" + "InnoDB: node ptr child page n:o %lu\n", + (ulong) btr_node_ptr_get_child_page_no( + rec, offsets)); + + fputs("InnoDB: record on page ", stderr); + rec_print_new(stderr, rec, offsets); + putc('\n', stderr); + ret = FALSE; + + goto node_ptr_fails; + } + + if (!page_is_leaf(page)) { + node_ptr_tuple = dict_index_build_node_ptr( + index, + page_rec_get_next(page_get_infimum_rec(page)), + 0, heap, btr_page_get_level(page, &mtr)); + + if (cmp_dtuple_rec(node_ptr_tuple, node_ptr, + offsets)) { + const rec_t* first_rec = page_rec_get_next( + page_get_infimum_rec(page)); + + btr_validate_report1(index, level, block); + + buf_page_print(father_page, 0); + buf_page_print(page, 0); + + fputs("InnoDB: Error: node ptrs differ" + " on levels > 0\n" + "InnoDB: node ptr ", stderr); + rec_print_new(stderr, node_ptr, offsets); + fputs("InnoDB: first rec ", stderr); + rec_print(stderr, first_rec, index); + putc('\n', stderr); + ret = FALSE; + + goto node_ptr_fails; + } + } + + if (left_page_no == FIL_NULL) { + ut_a(node_ptr == page_rec_get_next( + page_get_infimum_rec(father_page))); + ut_a(btr_page_get_prev(father_page, &mtr) == FIL_NULL); + } + + if (right_page_no == FIL_NULL) { + ut_a(node_ptr == page_rec_get_prev( + page_get_supremum_rec(father_page))); + ut_a(btr_page_get_next(father_page, &mtr) == FIL_NULL); + } else { + const rec_t* right_node_ptr + = page_rec_get_next(node_ptr); + + offsets = btr_page_get_father_block( + offsets, heap, index, right_block, + &mtr, &right_node_cur); + if (right_node_ptr + != page_get_supremum_rec(father_page)) { + + if (btr_cur_get_rec(&right_node_cur) + != right_node_ptr) { + ret = FALSE; + fputs("InnoDB: node pointer to" + " the right page is wrong\n", + stderr); + + btr_validate_report1(index, level, + block); + + buf_page_print(father_page, 0); + buf_page_print(page, 0); + buf_page_print(right_page, 0); + } + } else { + page_t* right_father_page + = btr_cur_get_page(&right_node_cur); + + if (btr_cur_get_rec(&right_node_cur) + != page_rec_get_next( + page_get_infimum_rec( + right_father_page))) { + ret = FALSE; + fputs("InnoDB: node pointer 2 to" + " the right page is wrong\n", + stderr); + + btr_validate_report1(index, level, + block); + + buf_page_print(father_page, 0); + buf_page_print(right_father_page, 0); + buf_page_print(page, 0); + buf_page_print(right_page, 0); + } + + if (page_get_page_no(right_father_page) + != btr_page_get_next(father_page, &mtr)) { + + ret = FALSE; + fputs("InnoDB: node pointer 3 to" + " the right page is wrong\n", + stderr); + + btr_validate_report1(index, level, + block); + + buf_page_print(father_page, 0); + buf_page_print(right_father_page, 0); + buf_page_print(page, 0); + buf_page_print(right_page, 0); + } + } + } + } + +node_ptr_fails: + /* Commit the mini-transaction to release the latch on 'page'. + Re-acquire the latch on right_page, which will become 'page' + on the next loop. The page has already been checked. */ + mtr_commit(&mtr); + + if (right_page_no != FIL_NULL) { + mtr_start(&mtr); + + block = btr_block_get(space, zip_size, right_page_no, + RW_X_LATCH, &mtr); + page = buf_block_get_frame(block); + + goto loop; + } + + mem_heap_free(heap); + return(ret); +} + +/**************************************************************//** +Checks the consistency of an index tree. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_validate_index( +/*===============*/ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction or NULL */ +{ + mtr_t mtr; + page_t* root; + ulint i; + ulint n; + + mtr_start(&mtr); + mtr_x_lock(dict_index_get_lock(index), &mtr); + + root = btr_root_get(index, &mtr); + n = btr_page_get_level(root, &mtr); + + for (i = 0; i <= n && !trx_is_interrupted(trx); i++) { + if (!btr_validate_level(index, trx, n - i)) { + + mtr_commit(&mtr); + + return(FALSE); + } + } + + mtr_commit(&mtr); + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/btr/btr0cur.c b/perfschema/btr/btr0cur.c new file mode 100644 index 00000000000..2a39074d4df --- /dev/null +++ b/perfschema/btr/btr0cur.c @@ -0,0 +1,4969 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file btr/btr0cur.c +The index tree cursor + +All changes that row operations make to a B-tree or the records +there must go through this module! Undo log records are written here +of every modify or insert of a clustered index record. + + NOTE!!! +To make sure we do not run out of disk space during a pessimistic +insert or update, we have to reserve 2 x the height of the index tree +many pages in the tablespace before we start the operation, because +if leaf splitting has been started, it is difficult to undo, except +by crashing the database and doing a roll-forward. + +Created 10/16/1994 Heikki Tuuri +*******************************************************/ + +#include "btr0cur.h" + +#ifdef UNIV_NONINL +#include "btr0cur.ic" +#endif + +#include "row0upd.h" +#ifndef UNIV_HOTBACKUP +#include "mtr0log.h" +#include "page0page.h" +#include "page0zip.h" +#include "rem0rec.h" +#include "rem0cmp.h" +#include "buf0lru.h" +#include "btr0btr.h" +#include "btr0sea.h" +#include "row0purge.h" +#include "row0upd.h" +#include "trx0rec.h" +#include "trx0roll.h" /* trx_is_recv() */ +#include "que0que.h" +#include "row0row.h" +#include "srv0srv.h" +#include "ibuf0ibuf.h" +#include "lock0lock.h" +#include "zlib.h" + +/* Btree operation types, introduced as part of delete buffering. */ +typedef enum btr_op_enum { + BTR_NO_OP = 0, + BTR_INSERT_OP, + BTR_DELETE_OP, + BTR_DELMARK_OP +} btr_op_t; + +#ifdef UNIV_DEBUG +/** If the following is set to TRUE, this module prints a lot of +trace information of individual record operations */ +UNIV_INTERN ibool btr_cur_print_record_ops = FALSE; +#endif /* UNIV_DEBUG */ + +/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ +UNIV_INTERN ulint btr_cur_n_non_sea = 0; +/** Number of successful adaptive hash index lookups in +btr_cur_search_to_nth_level(). */ +UNIV_INTERN ulint btr_cur_n_sea = 0; +/** Old value of btr_cur_n_non_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ +UNIV_INTERN ulint btr_cur_n_non_sea_old = 0; +/** Old value of btr_cur_n_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ +UNIV_INTERN ulint btr_cur_n_sea_old = 0; + +/** In the optimistic insert, if the insert does not fit, but this much space +can be released by page reorganize, then it is reorganized */ +#define BTR_CUR_PAGE_REORGANIZE_LIMIT (UNIV_PAGE_SIZE / 32) + +/** The structure of a BLOB part header */ +/* @{ */ +/*--------------------------------------*/ +#define BTR_BLOB_HDR_PART_LEN 0 /*!< BLOB part len on this + page */ +#define BTR_BLOB_HDR_NEXT_PAGE_NO 4 /*!< next BLOB part page no, + FIL_NULL if none */ +/*--------------------------------------*/ +#define BTR_BLOB_HDR_SIZE 8 /*!< Size of a BLOB + part header, in bytes */ +/* @} */ +#endif /* !UNIV_HOTBACKUP */ + +/** A BLOB field reference full of zero, for use in assertions and tests. +Initially, BLOB field references are set to zero, in +dtuple_convert_big_rec(). */ +UNIV_INTERN const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Marks all extern fields in a record as owned by the record. This function +should be called if the delete mark of a record is removed: a not delete +marked record always owns all its extern fields. */ +static +void +btr_cur_unmark_extern_fields( +/*=========================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ +/*******************************************************************//** +Adds path information to the cursor for the current page, for which +the binary search has been performed. */ +static +void +btr_cur_add_path_info( +/*==================*/ + btr_cur_t* cursor, /*!< in: cursor positioned on a page */ + ulint height, /*!< in: height of the page in tree; + 0 means leaf node */ + ulint root_height); /*!< in: root node height in tree */ +/***********************************************************//** +Frees the externally stored fields for a record, if the field is mentioned +in the update vector. */ +static +void +btr_rec_free_updated_extern_fields( +/*===============================*/ + dict_index_t* index, /*!< in: index of rec; the index tree MUST be + X-latched */ + rec_t* rec, /*!< in: record */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mini-transaction handle which contains + an X-latch to record page and to the tree */ +/***********************************************************//** +Frees the externally stored fields for a record. */ +static +void +btr_rec_free_externally_stored_fields( +/*==================================*/ + dict_index_t* index, /*!< in: index of the data, the index + tree MUST be X-latched */ + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mini-transaction handle which contains + an X-latch to record page and to the index + tree */ +/***********************************************************//** +Gets the externally stored size of a record, in units of a database page. +@return externally stored part, in units of a database page */ +static +ulint +btr_rec_get_externally_stored_len( +/*==============================*/ + rec_t* rec, /*!< in: record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +#endif /* !UNIV_HOTBACKUP */ + +/******************************************************//** +The following function is used to set the deleted bit of a record. */ +UNIV_INLINE +void +btr_rec_set_deleted_flag( +/*=====================*/ + rec_t* rec, /*!< in/out: physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page (or NULL) */ + ulint flag) /*!< in: nonzero if delete marked */ +{ + if (page_rec_is_comp(rec)) { + rec_set_deleted_flag_new(rec, page_zip, flag); + } else { + ut_ad(!page_zip); + rec_set_deleted_flag_old(rec, flag); + } +} + +#ifndef UNIV_HOTBACKUP +/*==================== B-TREE SEARCH =========================*/ + +/********************************************************************//** +Latches the leaf page or pages requested. */ +static +void +btr_cur_latch_leaves( +/*=================*/ + page_t* page, /*!< in: leaf page where the search + converged */ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the leaf */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in: cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint mode; + ulint left_page_no; + ulint right_page_no; + buf_block_t* get_block; + + ut_ad(page && mtr); + + switch (latch_mode) { + case BTR_SEARCH_LEAF: + case BTR_MODIFY_LEAF: + mode = latch_mode == BTR_SEARCH_LEAF ? RW_S_LATCH : RW_X_LATCH; + get_block = btr_block_get(space, zip_size, page_no, mode, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + return; + case BTR_MODIFY_TREE: + /* x-latch also brothers from left to right */ + left_page_no = btr_page_get_prev(page, mtr); + + if (left_page_no != FIL_NULL) { + get_block = btr_block_get(space, zip_size, + left_page_no, + RW_X_LATCH, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) + == page_is_comp(page)); + ut_a(btr_page_get_next(get_block->frame, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + } + + get_block = btr_block_get(space, zip_size, page_no, + RW_X_LATCH, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + + right_page_no = btr_page_get_next(page, mtr); + + if (right_page_no != FIL_NULL) { + get_block = btr_block_get(space, zip_size, + right_page_no, + RW_X_LATCH, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) + == page_is_comp(page)); + ut_a(btr_page_get_prev(get_block->frame, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + } + + return; + + case BTR_SEARCH_PREV: + case BTR_MODIFY_PREV: + mode = latch_mode == BTR_SEARCH_PREV ? RW_S_LATCH : RW_X_LATCH; + /* latch also left brother */ + left_page_no = btr_page_get_prev(page, mtr); + + if (left_page_no != FIL_NULL) { + get_block = btr_block_get(space, zip_size, + left_page_no, mode, mtr); + cursor->left_block = get_block; +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) + == page_is_comp(page)); + ut_a(btr_page_get_next(get_block->frame, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + } + + get_block = btr_block_get(space, zip_size, page_no, mode, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); +#endif /* UNIV_BTR_DEBUG */ + get_block->check_index_page_at_flush = TRUE; + return; + } + + ut_error; +} + +/********************************************************************//** +Searches an index tree and positions a tree cursor on a given level. +NOTE: n_fields_cmp in tuple must be set so that it cannot be compared +to node pointer page number fields on the upper levels of the tree! +Note that if mode is PAGE_CUR_LE, which is used in inserts, then +cursor->up_match and cursor->low_match both will have sensible values. +If mode is PAGE_CUR_GE, then up_match will a have a sensible value. + +If mode is PAGE_CUR_LE , cursor is left at the place where an insert of the +search tuple should be performed in the B-tree. InnoDB does an insert +immediately after the cursor. Thus, the cursor may end up on a user record, +or on a page infimum record. */ +UNIV_INTERN +void +btr_cur_search_to_nth_level( +/*========================*/ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the tree level of search */ + const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in + tuple must be set so that it cannot get + compared to the node ptr page number field! */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + Inserts should always be made using + PAGE_CUR_LE to search the position! */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with + at most one of BTR_INSERT, BTR_DELETE_MARK, + BTR_DELETE, or BTR_ESTIMATE; + cursor->left_block is used to store a pointer + to the left neighbor page, in the cases + BTR_SEARCH_PREV and BTR_MODIFY_PREV; + NOTE that if has_search_latch + is != 0, we maybe do not have a latch set + on the cursor page, we assume + the caller uses his search latch + to protect the record! */ + btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is + s- or x-latched, but see also above! */ + ulint has_search_latch,/*!< in: info on the latch mode the + caller currently has on btr_search_latch: + RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + buf_block_t* block; + ulint space; + buf_block_t* guess; + ulint height; + rec_t* node_ptr; + ulint page_no; + ulint up_match; + ulint up_bytes; + ulint low_match; + ulint low_bytes; + ulint savepoint; + ulint rw_latch; + ulint page_mode; + ulint buf_mode; + ulint estimate; + ulint zip_size; + page_cur_t* page_cursor; + ulint ignore_sec_unique; + btr_op_t btr_op = BTR_NO_OP; + ulint root_height = 0; /* remove warning */ + +#ifdef BTR_CUR_ADAPT + btr_search_t* info; +#endif + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + /* Currently, PAGE_CUR_LE is the only search mode used for searches + ending to upper levels */ + + ut_ad(level == 0 || mode == PAGE_CUR_LE); + ut_ad(dict_index_check_search_tuple(index, tuple)); + ut_ad(!dict_index_is_ibuf(index) || ibuf_inside()); + ut_ad(dtuple_check_typed(tuple)); + +#ifdef UNIV_DEBUG + cursor->up_match = ULINT_UNDEFINED; + cursor->low_match = ULINT_UNDEFINED; +#endif + + /* These flags are mutually exclusive, they are lumped together + with the latch mode for historical reasons. It's possible for + none of the flags to be set. */ + switch (UNIV_EXPECT(latch_mode + & (BTR_INSERT | BTR_DELETE | BTR_DELETE_MARK), + 0)) { + case 0: + break; + case BTR_INSERT: + btr_op = BTR_INSERT_OP; + break; + case BTR_DELETE: + btr_op = BTR_DELETE_OP; + ut_a(cursor->purge_node); + break; + case BTR_DELETE_MARK: + btr_op = BTR_DELMARK_OP; + break; + default: + /* only one of BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK + should be specified at a time */ + ut_error; + } + + /* Operations on the insert buffer tree cannot be buffered. */ + ut_ad(btr_op == BTR_NO_OP || !dict_index_is_ibuf(index)); + /* Operations on the clustered index cannot be buffered. */ + ut_ad(btr_op == BTR_NO_OP || !dict_index_is_clust(index)); + + estimate = latch_mode & BTR_ESTIMATE; + ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE; + + /* Turn the flags unrelated to the latch mode off. */ + latch_mode &= ~(BTR_INSERT + | BTR_DELETE_MARK + | BTR_DELETE + | BTR_ESTIMATE + | BTR_IGNORE_SEC_UNIQUE); + + cursor->flag = BTR_CUR_BINARY; + cursor->index = index; + + cursor->ibuf_cnt = ULINT_UNDEFINED; + +#ifndef BTR_CUR_ADAPT + guess = NULL; +#else + info = btr_search_get_info(index); + + guess = info->root_guess; + +#ifdef BTR_CUR_HASH_ADAPT + +#ifdef UNIV_SEARCH_PERF_STAT + info->n_searches++; +#endif + + /* Ibuf does not use adaptive hash; this is prevented by the + latch_mode check below. */ + if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_NOT_LOCKED + && latch_mode <= BTR_MODIFY_LEAF + && info->last_hash_succ + && !estimate +#ifdef PAGE_CUR_LE_OR_EXTENDS + && mode != PAGE_CUR_LE_OR_EXTENDS +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + /* If !has_search_latch, we do a dirty read of + btr_search_enabled below, and btr_search_guess_on_hash() + will have to check it again. */ + && UNIV_LIKELY(btr_search_enabled) + && btr_search_guess_on_hash(index, info, tuple, mode, + latch_mode, cursor, + has_search_latch, mtr)) { + + /* Search using the hash index succeeded */ + + ut_ad(cursor->up_match != ULINT_UNDEFINED + || mode != PAGE_CUR_GE); + ut_ad(cursor->up_match != ULINT_UNDEFINED + || mode != PAGE_CUR_LE); + ut_ad(cursor->low_match != ULINT_UNDEFINED + || mode != PAGE_CUR_LE); + btr_cur_n_sea++; + + return; + } +#endif /* BTR_CUR_HASH_ADAPT */ +#endif /* BTR_CUR_ADAPT */ + btr_cur_n_non_sea++; + + /* If the hash search did not succeed, do binary search down the + tree */ + + if (has_search_latch) { + /* Release possible search latch to obey latching order */ + rw_lock_s_unlock(&btr_search_latch); + } + + /* Store the position of the tree latch we push to mtr so that we + know how to release it when we have latched leaf node(s) */ + + savepoint = mtr_set_savepoint(mtr); + + if (latch_mode == BTR_MODIFY_TREE) { + mtr_x_lock(dict_index_get_lock(index), mtr); + + } else if (latch_mode == BTR_CONT_MODIFY_TREE) { + /* Do nothing */ + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + } else { + mtr_s_lock(dict_index_get_lock(index), mtr); + } + + page_cursor = btr_cur_get_page_cur(cursor); + + space = dict_index_get_space(index); + page_no = dict_index_get_page(index); + + up_match = 0; + up_bytes = 0; + low_match = 0; + low_bytes = 0; + + height = ULINT_UNDEFINED; + + /* We use these modified search modes on non-leaf levels of the + B-tree. These let us end up in the right B-tree leaf. In that leaf + we use the original search mode. */ + + switch (mode) { + case PAGE_CUR_GE: + page_mode = PAGE_CUR_L; + break; + case PAGE_CUR_G: + page_mode = PAGE_CUR_LE; + break; + default: +#ifdef PAGE_CUR_LE_OR_EXTENDS + ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE + || mode == PAGE_CUR_LE_OR_EXTENDS); +#else /* PAGE_CUR_LE_OR_EXTENDS */ + ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE); +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + page_mode = mode; + break; + } + + /* Loop and search until we arrive at the desired level */ + +search_loop: + buf_mode = BUF_GET; + rw_latch = RW_NO_LATCH; + + if (height != 0) { + /* We are about to fetch the root or a non-leaf page. */ + } else if (dict_index_is_ibuf(index)) { + /* We're doing a search on an ibuf tree and we're one + level above the leaf page. */ + + ulint is_min_rec; + + ut_ad(level == 0); + + is_min_rec = rec_get_info_bits(node_ptr, 0) + & REC_INFO_MIN_REC_FLAG; + + if (!is_min_rec) { + cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); + + ut_a(cursor->ibuf_cnt <= 0xFFFF + || cursor->ibuf_cnt == ULINT_UNDEFINED); + } + } else if (latch_mode <= BTR_MODIFY_LEAF) { + rw_latch = latch_mode; + + if (btr_op != BTR_NO_OP + && ibuf_should_try(index, ignore_sec_unique)) { + + /* Try to buffer the operation if the leaf + page is not in the buffer pool. */ + + buf_mode = btr_op == BTR_DELETE_OP + ? BUF_GET_IF_IN_POOL_OR_WATCH + : BUF_GET_IF_IN_POOL; + } + } + + zip_size = dict_table_zip_size(index->table); + +retry_page_get: + block = buf_page_get_gen( + space, zip_size, page_no, rw_latch, guess, buf_mode, + file, line, mtr); + + if (block == NULL) { + /* This must be a search to perform an insert/delete + mark/ delete; try using the insert/delete buffer */ + + ut_ad(height == 0); + ut_ad(cursor->thr); + + switch (btr_op) { + case BTR_INSERT_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL); + + if (ibuf_insert(IBUF_OP_INSERT, tuple, index, + space, zip_size, page_no, + cursor->thr)) { + + cursor->flag = BTR_CUR_INSERT_TO_IBUF; + + goto func_exit; + } + break; + + case BTR_DELMARK_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL); + + if (ibuf_insert(IBUF_OP_DELETE_MARK, tuple, + index, space, zip_size, + page_no, cursor->thr)) { + + cursor->flag = BTR_CUR_DEL_MARK_IBUF; + + goto func_exit; + } + + break; + + case BTR_DELETE_OP: + ut_ad(buf_mode == BUF_GET_IF_IN_POOL_OR_WATCH); + + if (!row_purge_poss_sec(cursor->purge_node, + index, tuple)) { + + /* The record cannot be purged yet. */ + cursor->flag = BTR_CUR_DELETE_REF; + } else if (ibuf_insert(IBUF_OP_DELETE, tuple, + index, space, zip_size, + page_no, + cursor->thr)) { + + /* The purge was buffered. */ + cursor->flag = BTR_CUR_DELETE_IBUF; + } else { + /* The purge could not be buffered. */ + buf_pool_watch_unset(space, page_no); + break; + } + + buf_pool_watch_unset(space, page_no); + goto func_exit; + + default: + ut_error; + } + + /* Insert to the insert/delete buffer did not succeed, we + must read the page from disk. */ + + buf_mode = BUF_GET; + + goto retry_page_get; + } + + block->check_index_page_at_flush = TRUE; + page = buf_block_get_frame(block); + + if (rw_latch != RW_NO_LATCH) { +#ifdef UNIV_ZIP_DEBUG + const page_zip_des_t* page_zip + = buf_block_get_page_zip(block); + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + } + + ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); + + if (UNIV_UNLIKELY(height == ULINT_UNDEFINED)) { + /* We are in the root node */ + + height = btr_page_get_level(page, mtr); + root_height = height; + cursor->tree_height = root_height + 1; + +#ifdef BTR_CUR_ADAPT + if (block != guess) { + info->root_guess = block; + } +#endif + } + + if (height == 0) { + if (rw_latch == RW_NO_LATCH) { + + btr_cur_latch_leaves( + page, space, zip_size, page_no, latch_mode, + cursor, mtr); + } + + if (latch_mode != BTR_MODIFY_TREE + && latch_mode != BTR_CONT_MODIFY_TREE) { + + /* Release the tree s-latch */ + + mtr_release_s_latch_at_savepoint( + mtr, savepoint, dict_index_get_lock(index)); + } + + page_mode = mode; + } + + page_cur_search_with_match( + block, index, tuple, page_mode, &up_match, &up_bytes, + &low_match, &low_bytes, page_cursor); + + if (estimate) { + btr_cur_add_path_info(cursor, height, root_height); + } + + /* If this is the desired level, leave the loop */ + + ut_ad(height == btr_page_get_level(page_cur_get_page(page_cursor), + mtr)); + + if (level != height) { + + ut_ad(height > 0); + + height--; + guess = NULL; + + node_ptr = page_cur_get_rec(page_cursor); + + offsets = rec_get_offsets( + node_ptr, index, offsets, ULINT_UNDEFINED, &heap); + + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + + goto search_loop; + } + + if (level != 0) { + /* x-latch the page */ + page = btr_page_get( + space, zip_size, page_no, RW_X_LATCH, mtr); + + ut_a((ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + } else { + cursor->low_match = low_match; + cursor->low_bytes = low_bytes; + cursor->up_match = up_match; + cursor->up_bytes = up_bytes; + +#ifdef BTR_CUR_ADAPT + /* We do a dirty read of btr_search_enabled here. We + will properly check btr_search_enabled again in + btr_search_build_page_hash_index() before building a + page hash index, while holding btr_search_latch. */ + if (UNIV_LIKELY(btr_search_enabled)) { + + btr_search_info_update(index, cursor); + } +#endif + ut_ad(cursor->up_match != ULINT_UNDEFINED + || mode != PAGE_CUR_GE); + ut_ad(cursor->up_match != ULINT_UNDEFINED + || mode != PAGE_CUR_LE); + ut_ad(cursor->low_match != ULINT_UNDEFINED + || mode != PAGE_CUR_LE); + } + +func_exit: + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + if (has_search_latch) { + + rw_lock_s_lock(&btr_search_latch); + } +} + +/*****************************************************************//** +Opens a cursor at either end of an index. */ +UNIV_INTERN +void +btr_cur_open_at_index_side_func( +/*============================*/ + ibool from_left, /*!< in: TRUE if open to the low end, + FALSE if to the high end */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_cur_t* cursor, /*!< in: cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t* page_cursor; + ulint page_no; + ulint space; + ulint zip_size; + ulint height; + ulint root_height = 0; /* remove warning */ + rec_t* node_ptr; + ulint estimate; + ulint savepoint; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + estimate = latch_mode & BTR_ESTIMATE; + latch_mode = latch_mode & ~BTR_ESTIMATE; + + /* Store the position of the tree latch we push to mtr so that we + know how to release it when we have latched the leaf node */ + + savepoint = mtr_set_savepoint(mtr); + + if (latch_mode == BTR_MODIFY_TREE) { + mtr_x_lock(dict_index_get_lock(index), mtr); + } else { + mtr_s_lock(dict_index_get_lock(index), mtr); + } + + page_cursor = btr_cur_get_page_cur(cursor); + cursor->index = index; + + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + page_no = dict_index_get_page(index); + + height = ULINT_UNDEFINED; + + for (;;) { + buf_block_t* block; + page_t* page; + block = buf_page_get_gen(space, zip_size, page_no, + RW_NO_LATCH, NULL, BUF_GET, + file, line, mtr); + page = buf_block_get_frame(block); + ut_ad(0 == ut_dulint_cmp(index->id, + btr_page_get_index_id(page))); + + block->check_index_page_at_flush = TRUE; + + if (height == ULINT_UNDEFINED) { + /* We are in the root node */ + + height = btr_page_get_level(page, mtr); + root_height = height; + } + + if (height == 0) { + btr_cur_latch_leaves(page, space, zip_size, page_no, + latch_mode, cursor, mtr); + + /* In versions <= 3.23.52 we had forgotten to + release the tree latch here. If in an index scan + we had to scan far to find a record visible to the + current transaction, that could starve others + waiting for the tree latch. */ + + if ((latch_mode != BTR_MODIFY_TREE) + && (latch_mode != BTR_CONT_MODIFY_TREE)) { + + /* Release the tree s-latch */ + + mtr_release_s_latch_at_savepoint( + mtr, savepoint, + dict_index_get_lock(index)); + } + } + + if (from_left) { + page_cur_set_before_first(block, page_cursor); + } else { + page_cur_set_after_last(block, page_cursor); + } + + if (height == 0) { + if (estimate) { + btr_cur_add_path_info(cursor, height, + root_height); + } + + break; + } + + ut_ad(height > 0); + + if (from_left) { + page_cur_move_to_next(page_cursor); + } else { + page_cur_move_to_prev(page_cursor); + } + + if (estimate) { + btr_cur_add_path_info(cursor, height, root_height); + } + + height--; + + node_ptr = page_cur_get_rec(page_cursor); + offsets = rec_get_offsets(node_ptr, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/**********************************************************************//** +Positions a cursor at a randomly chosen position within a B-tree. */ +UNIV_INTERN +void +btr_cur_open_at_rnd_pos_func( +/*=========================*/ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t* page_cursor; + ulint page_no; + ulint space; + ulint zip_size; + ulint height; + rec_t* node_ptr; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + if (latch_mode == BTR_MODIFY_TREE) { + mtr_x_lock(dict_index_get_lock(index), mtr); + } else { + mtr_s_lock(dict_index_get_lock(index), mtr); + } + + page_cursor = btr_cur_get_page_cur(cursor); + cursor->index = index; + + space = dict_index_get_space(index); + zip_size = dict_table_zip_size(index->table); + page_no = dict_index_get_page(index); + + height = ULINT_UNDEFINED; + + for (;;) { + buf_block_t* block; + page_t* page; + + block = buf_page_get_gen(space, zip_size, page_no, + RW_NO_LATCH, NULL, BUF_GET, + file, line, mtr); + page = buf_block_get_frame(block); + ut_ad(0 == ut_dulint_cmp(index->id, + btr_page_get_index_id(page))); + + if (height == ULINT_UNDEFINED) { + /* We are in the root node */ + + height = btr_page_get_level(page, mtr); + } + + if (height == 0) { + btr_cur_latch_leaves(page, space, zip_size, page_no, + latch_mode, cursor, mtr); + } + + page_cur_open_on_rnd_user_rec(block, page_cursor); + + if (height == 0) { + + break; + } + + ut_ad(height > 0); + + height--; + + node_ptr = page_cur_get_rec(page_cursor); + offsets = rec_get_offsets(node_ptr, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + /* Go to the child node */ + page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/*==================== B-TREE INSERT =========================*/ + +/*************************************************************//** +Inserts a record if there is enough space, or if enough space can +be freed by reorganizing. Differs from btr_cur_optimistic_insert because +no heuristics is applied to whether it pays to use CPU time for +reorganizing the page or not. +@return pointer to inserted record if succeed, else NULL */ +static +rec_t* +btr_cur_insert_if_possible( +/*=======================*/ + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; + cursor stays valid */ + const dtuple_t* tuple, /*!< in: tuple to insert; the size info need not + have been stored to tuple */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t* page_cursor; + buf_block_t* block; + rec_t* rec; + + ut_ad(dtuple_check_typed(tuple)); + + block = btr_cur_get_block(cursor); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + page_cursor = btr_cur_get_page_cur(cursor); + + /* Now, try the insert */ + rec = page_cur_tuple_insert(page_cursor, tuple, + cursor->index, n_ext, mtr); + + if (UNIV_UNLIKELY(!rec)) { + /* If record did not fit, reorganize */ + + if (btr_page_reorganize(block, cursor->index, mtr)) { + + page_cur_search(block, cursor->index, tuple, + PAGE_CUR_LE, page_cursor); + + rec = page_cur_tuple_insert(page_cursor, tuple, + cursor->index, n_ext, mtr); + } + } + + return(rec); +} + +/*************************************************************//** +For an insert, checks the locks and does the undo logging if desired. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ +UNIV_INLINE +ulint +btr_cur_ins_lock_and_undo( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags: if + not zero, the parameters index and thr + should be specified */ + btr_cur_t* cursor, /*!< in: cursor on page after which to insert */ + const dtuple_t* entry, /*!< in: entry to insert */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit)/*!< out: TRUE if the inserted new record maybe + should inherit LOCK_GAP type locks from the + successor record */ +{ + dict_index_t* index; + ulint err; + rec_t* rec; + roll_ptr_t roll_ptr; + + /* Check if we have to wait for a lock: enqueue an explicit lock + request if yes */ + + rec = btr_cur_get_rec(cursor); + index = cursor->index; + + err = lock_rec_insert_check_and_lock(flags, rec, + btr_cur_get_block(cursor), + index, thr, mtr, inherit); + + if (err != DB_SUCCESS) { + + return(err); + } + + if (dict_index_is_clust(index) && !dict_index_is_ibuf(index)) { + + err = trx_undo_report_row_operation(flags, TRX_UNDO_INSERT_OP, + thr, index, entry, + NULL, 0, NULL, + &roll_ptr); + if (err != DB_SUCCESS) { + + return(err); + } + + /* Now we can fill in the roll ptr field in entry */ + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + + row_upd_index_entry_sys_field(entry, index, + DATA_ROLL_PTR, roll_ptr); + } + } + + return(DB_SUCCESS); +} + +#ifdef UNIV_DEBUG +/*************************************************************//** +Report information about a transaction. */ +static +void +btr_cur_trx_report( +/*===============*/ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index, /*!< in: index */ + const char* op) /*!< in: operation */ +{ + fprintf(stderr, "Trx with id " TRX_ID_FMT " going to ", + TRX_ID_PREP_PRINTF(trx->id)); + fputs(op, stderr); + dict_index_name_print(stderr, trx, index); + putc('\n', stderr); +} +#endif /* UNIV_DEBUG */ + +/*************************************************************//** +Tries to perform an insert to a page in an index tree, next to cursor. +It is assumed that mtr holds an x-latch on the page. The operation does +not succeed if there is too little space on the page. If there is just +one record on the page, the insert will always succeed; this is to +prevent trying to split a page with just one record. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ +UNIV_INTERN +ulint +btr_cur_optimistic_insert( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags: if not + zero, the parameters index and thr should be + specified */ + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; + cursor stays valid */ + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if + succeed */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or + NULL */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr) /*!< in: mtr; if this function returns + DB_SUCCESS on a leaf page of a secondary + index in a compressed tablespace, the + mtr must be committed before latching + any further pages */ +{ + big_rec_t* big_rec_vec = NULL; + dict_index_t* index; + page_cur_t* page_cursor; + buf_block_t* block; + page_t* page; + ulint max_size; + rec_t* dummy_rec; + ibool leaf; + ibool reorg; + ibool inherit; + ulint zip_size; + ulint rec_size; + mem_heap_t* heap = NULL; + ulint err; + + *big_rec = NULL; + + block = btr_cur_get_block(cursor); + page = buf_block_get_frame(block); + index = cursor->index; + zip_size = buf_block_get_zip_size(block); +#ifdef UNIV_DEBUG_VALGRIND + if (zip_size) { + UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_RW(block->page.zip.data, zip_size); + } +#endif /* UNIV_DEBUG_VALGRIND */ + + if (!dtuple_check_typed_no_assert(entry)) { + fputs("InnoDB: Error in a tuple to insert into ", stderr); + dict_index_name_print(stderr, thr_get_trx(thr), index); + } +#ifdef UNIV_DEBUG + if (btr_cur_print_record_ops && thr) { + btr_cur_trx_report(thr_get_trx(thr), index, "insert into "); + dtuple_print(stderr, entry); + } +#endif /* UNIV_DEBUG */ + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + max_size = page_get_max_insert_size_after_reorganize(page, 1); + leaf = page_is_leaf(page); + + /* Calculate the record size when entry is converted to a record */ + rec_size = rec_get_converted_size(index, entry, n_ext); + + if (page_zip_rec_needs_ext(rec_size, page_is_comp(page), + dtuple_get_n_fields(entry), zip_size)) { + + /* The record is so big that we have to store some fields + externally on separate database pages */ + big_rec_vec = dtuple_convert_big_rec(index, entry, &n_ext); + + if (UNIV_UNLIKELY(big_rec_vec == NULL)) { + + return(DB_TOO_BIG_RECORD); + } + + rec_size = rec_get_converted_size(index, entry, n_ext); + } + + if (UNIV_UNLIKELY(zip_size)) { + /* Estimate the free space of an empty compressed page. + Subtract one byte for the encoded heap_no in the + modification log. */ + ulint free_space_zip = page_zip_empty_size( + cursor->index->n_fields, zip_size) - 1; + ulint n_uniq = dict_index_get_n_unique_in_tree(index); + + ut_ad(dict_table_is_comp(index->table)); + + /* There should be enough room for two node pointer + records on an empty non-leaf page. This prevents + infinite page splits. */ + + if (UNIV_LIKELY(entry->n_fields >= n_uniq) + && UNIV_UNLIKELY(REC_NODE_PTR_SIZE + + rec_get_converted_size_comp_prefix( + index, entry->fields, n_uniq, + NULL) + /* On a compressed page, there is + a two-byte entry in the dense + page directory for every record. + But there is no record header. */ + - (REC_N_NEW_EXTRA_BYTES - 2) + > free_space_zip / 2)) { + + if (big_rec_vec) { + dtuple_convert_back_big_rec( + index, entry, big_rec_vec); + } + + if (heap) { + mem_heap_free(heap); + } + + return(DB_TOO_BIG_RECORD); + } + } + + /* If there have been many consecutive inserts, and we are on the leaf + level, check if we have to split the page to reserve enough free space + for future updates of records. */ + + if (dict_index_is_clust(index) + && (page_get_n_recs(page) >= 2) + && UNIV_LIKELY(leaf) + && (dict_index_get_space_reserve() + rec_size > max_size) + && (btr_page_get_split_rec_to_right(cursor, &dummy_rec) + || btr_page_get_split_rec_to_left(cursor, &dummy_rec))) { +fail: + err = DB_FAIL; +fail_err: + + if (big_rec_vec) { + dtuple_convert_back_big_rec(index, entry, big_rec_vec); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + return(err); + } + + if (UNIV_UNLIKELY(max_size < BTR_CUR_PAGE_REORGANIZE_LIMIT + || max_size < rec_size) + && UNIV_LIKELY(page_get_n_recs(page) > 1) + && page_get_max_insert_size(page, 1) < rec_size) { + + goto fail; + } + + /* Check locks and write to the undo log, if specified */ + err = btr_cur_ins_lock_and_undo(flags, cursor, entry, + thr, mtr, &inherit); + + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + + goto fail_err; + } + + page_cursor = btr_cur_get_page_cur(cursor); + + /* Now, try the insert */ + + { + const rec_t* page_cursor_rec = page_cur_get_rec(page_cursor); + *rec = page_cur_tuple_insert(page_cursor, entry, index, + n_ext, mtr); + reorg = page_cursor_rec != page_cur_get_rec(page_cursor); + + if (UNIV_UNLIKELY(reorg)) { + ut_a(zip_size); + ut_a(*rec); + } + } + + if (UNIV_UNLIKELY(!*rec) && UNIV_LIKELY(!reorg)) { + /* If the record did not fit, reorganize */ + if (UNIV_UNLIKELY(!btr_page_reorganize(block, index, mtr))) { + ut_a(zip_size); + + goto fail; + } + + ut_ad(zip_size + || page_get_max_insert_size(page, 1) == max_size); + + reorg = TRUE; + + page_cur_search(block, index, entry, PAGE_CUR_LE, page_cursor); + + *rec = page_cur_tuple_insert(page_cursor, entry, index, + n_ext, mtr); + + if (UNIV_UNLIKELY(!*rec)) { + if (UNIV_LIKELY(zip_size != 0)) { + + goto fail; + } + + fputs("InnoDB: Error: cannot insert tuple ", stderr); + dtuple_print(stderr, entry); + fputs(" into ", stderr); + dict_index_name_print(stderr, thr_get_trx(thr), index); + fprintf(stderr, "\nInnoDB: max insert size %lu\n", + (ulong) max_size); + ut_error; + } + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + +#ifdef BTR_CUR_HASH_ADAPT + if (!reorg && leaf && (cursor->flag == BTR_CUR_HASH)) { + btr_search_update_hash_node_on_insert(cursor); + } else { + btr_search_update_hash_on_insert(cursor); + } +#endif + + if (!(flags & BTR_NO_LOCKING_FLAG) && inherit) { + + lock_update_insert(block, *rec); + } + +#if 0 + fprintf(stderr, "Insert into page %lu, max ins size %lu," + " rec %lu ind type %lu\n", + buf_block_get_page_no(block), max_size, + rec_size + PAGE_DIR_SLOT_SIZE, index->type); +#endif + if (leaf && !dict_index_is_clust(index)) { + /* Update the free bits of the B-tree page in the + insert buffer bitmap. */ + + /* The free bits in the insert buffer bitmap must + never exceed the free space on a page. It is safe to + decrement or reset the bits in the bitmap in a + mini-transaction that is committed before the + mini-transaction that affects the free space. */ + + /* It is unsafe to increment the bits in a separately + committed mini-transaction, because in crash recovery, + the free bits could momentarily be set too high. */ + + if (zip_size) { + /* Update the bits in the same mini-transaction. */ + ibuf_update_free_bits_zip(block, mtr); + } else { + /* Decrement the bits in a separate + mini-transaction. */ + ibuf_update_free_bits_if_full( + block, max_size, + rec_size + PAGE_DIR_SLOT_SIZE); + } + } + + *big_rec = big_rec_vec; + + return(DB_SUCCESS); +} + +/*************************************************************//** +Performs an insert on a page of an index tree. It is assumed that mtr +holds an x-latch on the tree and on the cursor page. If the insert is +made on the leaf level, to avoid deadlocks, mtr must also own x-latches +to brothers of page, if those brothers exist. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +btr_cur_pessimistic_insert( +/*=======================*/ + ulint flags, /*!< in: undo logging and locking flags: if not + zero, the parameter thr should be + specified; if no undo logging is specified, + then the caller must have reserved enough + free extents in the file space so that the + insertion will certainly succeed */ + btr_cur_t* cursor, /*!< in: cursor after which to insert; + cursor stays valid */ + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if + succeed */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or + NULL */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index = cursor->index; + ulint zip_size = dict_table_zip_size(index->table); + big_rec_t* big_rec_vec = NULL; + mem_heap_t* heap = NULL; + ulint err; + ibool dummy_inh; + ibool success; + ulint n_extents = 0; + ulint n_reserved; + + ut_ad(dtuple_check_typed(entry)); + + *big_rec = NULL; + + ut_ad(mtr_memo_contains(mtr, + dict_index_get_lock(btr_cur_get_index(cursor)), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), + MTR_MEMO_PAGE_X_FIX)); + + /* Try first an optimistic insert; reset the cursor flag: we do not + assume anything of how it was positioned */ + + cursor->flag = BTR_CUR_BINARY; + + err = btr_cur_optimistic_insert(flags, cursor, entry, rec, + big_rec, n_ext, thr, mtr); + if (err != DB_FAIL) { + + return(err); + } + + /* Retry with a pessimistic insert. Check locks and write to undo log, + if specified */ + + err = btr_cur_ins_lock_and_undo(flags, cursor, entry, + thr, mtr, &dummy_inh); + + if (err != DB_SUCCESS) { + + return(err); + } + + if (!(flags & BTR_NO_UNDO_LOG_FLAG)) { + /* First reserve enough free space for the file segments + of the index tree, so that the insert will not fail because + of lack of space */ + + n_extents = cursor->tree_height / 16 + 3; + + success = fsp_reserve_free_extents(&n_reserved, index->space, + n_extents, FSP_NORMAL, mtr); + if (!success) { + return(DB_OUT_OF_FILE_SPACE); + } + } + + if (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, n_ext), + dict_table_is_comp(index->table), + dict_index_get_n_fields(index), + zip_size)) { + /* The record is so big that we have to store some fields + externally on separate database pages */ + + if (UNIV_LIKELY_NULL(big_rec_vec)) { + /* This should never happen, but we handle + the situation in a robust manner. */ + ut_ad(0); + dtuple_convert_back_big_rec(index, entry, big_rec_vec); + } + + big_rec_vec = dtuple_convert_big_rec(index, entry, &n_ext); + + if (big_rec_vec == NULL) { + + if (n_extents > 0) { + fil_space_release_free_extents(index->space, + n_reserved); + } + return(DB_TOO_BIG_RECORD); + } + } + + if (dict_index_get_page(index) + == buf_block_get_page_no(btr_cur_get_block(cursor))) { + + /* The page is the root page */ + *rec = btr_root_raise_and_insert(cursor, entry, n_ext, mtr); + } else { + *rec = btr_page_split_and_insert(cursor, entry, n_ext, mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + ut_ad(page_rec_get_next(btr_cur_get_rec(cursor)) == *rec); + +#ifdef BTR_CUR_ADAPT + btr_search_update_hash_on_insert(cursor); +#endif + if (!(flags & BTR_NO_LOCKING_FLAG)) { + + lock_update_insert(btr_cur_get_block(cursor), *rec); + } + + if (n_extents > 0) { + fil_space_release_free_extents(index->space, n_reserved); + } + + *big_rec = big_rec_vec; + + return(DB_SUCCESS); +} + +/*==================== B-TREE UPDATE =========================*/ + +/*************************************************************//** +For an update, checks the locks and does the undo logging. +@return DB_SUCCESS, DB_WAIT_LOCK, or error number */ +UNIV_INLINE +ulint +btr_cur_upd_lock_and_undo( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on record to update */ + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + roll_ptr_t* roll_ptr)/*!< out: roll pointer */ +{ + dict_index_t* index; + rec_t* rec; + ulint err; + + ut_ad(cursor && update && thr && roll_ptr); + + rec = btr_cur_get_rec(cursor); + index = cursor->index; + + if (!dict_index_is_clust(index)) { + /* We do undo logging only when we update a clustered index + record */ + return(lock_sec_rec_modify_check_and_lock( + flags, btr_cur_get_block(cursor), rec, + index, thr, mtr)); + } + + /* Check if we have to wait for a lock: enqueue an explicit lock + request if yes */ + + err = DB_SUCCESS; + + if (!(flags & BTR_NO_LOCKING_FLAG)) { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + err = lock_clust_rec_modify_check_and_lock( + flags, btr_cur_get_block(cursor), rec, index, + rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap), thr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + if (err != DB_SUCCESS) { + + return(err); + } + } + + /* Append the info about the update in the undo log */ + + err = trx_undo_report_row_operation(flags, TRX_UNDO_MODIFY_OP, thr, + index, NULL, update, + cmpl_info, rec, roll_ptr); + return(err); +} + +/***********************************************************//** +Writes a redo log record of updating a record in-place. */ +UNIV_INLINE +void +btr_cur_update_in_place_log( +/*========================*/ + ulint flags, /*!< in: flags */ + rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index where cursor positioned */ + const upd_t* update, /*!< in: update vector */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr, /*!< in: roll ptr */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + page_t* page = page_align(rec); + ut_ad(flags < 256); + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + + log_ptr = mlog_open_and_write_index(mtr, rec, index, page_is_comp(page) + ? MLOG_COMP_REC_UPDATE_IN_PLACE + : MLOG_REC_UPDATE_IN_PLACE, + 1 + DATA_ROLL_PTR_LEN + 14 + 2 + + MLOG_BUF_MARGIN); + + if (!log_ptr) { + /* Logging in mtr is switched off during crash recovery */ + return; + } + + /* The code below assumes index is a clustered index: change index to + the clustered index if we are updating a secondary index record (or we + could as well skip writing the sys col values to the log in this case + because they are not needed for a secondary index record update) */ + + index = dict_table_get_first_index(index->table); + + mach_write_to_1(log_ptr, flags); + log_ptr++; + + log_ptr = row_upd_write_sys_vals_to_log(index, trx, roll_ptr, log_ptr, + mtr); + mach_write_to_2(log_ptr, page_offset(rec)); + log_ptr += 2; + + row_upd_index_write_log(update, log_ptr, mtr); +} +#endif /* UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a redo log record of updating a record in-place. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_update_in_place( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index) /*!< in: index corresponding to page */ +{ + ulint flags; + rec_t* rec; + upd_t* update; + ulint pos; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint rec_offset; + mem_heap_t* heap; + ulint* offsets; + + if (end_ptr < ptr + 1) { + + return(NULL); + } + + flags = mach_read_from_1(ptr); + ptr++; + + ptr = row_upd_parse_sys_vals(ptr, end_ptr, &pos, &trx_id, &roll_ptr); + + if (ptr == NULL) { + + return(NULL); + } + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + rec_offset = mach_read_from_2(ptr); + ptr += 2; + + ut_a(rec_offset <= UNIV_PAGE_SIZE); + + heap = mem_heap_create(256); + + ptr = row_upd_index_parse(ptr, end_ptr, heap, &update); + + if (!ptr || !page) { + + goto func_exit; + } + + ut_a((ibool)!!page_is_comp(page) == dict_table_is_comp(index->table)); + rec = page + rec_offset; + + /* We do not need to reserve btr_search_latch, as the page is only + being recovered, and there cannot be a hash index to it. */ + + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + row_upd_rec_sys_fields_in_recovery(rec, page_zip, offsets, + pos, trx_id, roll_ptr); + } + + row_upd_rec_in_place(rec, index, offsets, update, page_zip); + +func_exit: + mem_heap_free(heap); + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +See if there is enough place in the page modification log to log +an update-in-place. +@return TRUE if enough place */ +static +ibool +btr_cur_update_alloc_zip( +/*=====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + buf_block_t* block, /*!< in/out: buffer page */ + dict_index_t* index, /*!< in: the index corresponding to the block */ + ulint length, /*!< in: size needed */ + ibool create, /*!< in: TRUE=delete-and-insert, + FALSE=update-in-place */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + ut_a(page_zip == buf_block_get_page_zip(block)); + ut_ad(page_zip); + ut_ad(!dict_index_is_ibuf(index)); + + if (page_zip_available(page_zip, dict_index_is_clust(index), + length, create)) { + return(TRUE); + } + + if (!page_zip->m_nonempty) { + /* The page has been freshly compressed, so + recompressing it will not help. */ + return(FALSE); + } + + if (!page_zip_compress(page_zip, buf_block_get_frame(block), + index, mtr)) { + /* Unable to compress the page */ + return(FALSE); + } + + /* After recompressing a page, we must make sure that the free + bits in the insert buffer bitmap will not exceed the free + space on the page. Because this function will not attempt + recompression unless page_zip_available() fails above, it is + safe to reset the free bits if page_zip_available() fails + again, below. The free bits can safely be reset in a separate + mini-transaction. If page_zip_available() succeeds below, we + can be sure that the page_zip_compress() above did not reduce + the free space available on the page. */ + + if (!page_zip_available(page_zip, dict_index_is_clust(index), + length, create)) { + /* Out of space: reset the free bits. */ + if (!dict_index_is_clust(index) + && page_is_leaf(buf_block_get_frame(block))) { + ibuf_reset_free_bits(block); + } + return(FALSE); + } + + return(TRUE); +} + +/*************************************************************//** +Updates a record when the update causes no size changes in its fields. +We assume here that the ordering fields of the record do not change. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +btr_cur_update_in_place( +/*====================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; + cursor stays valid and positioned on the + same record */ + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before + latching any further pages */ +{ + dict_index_t* index; + buf_block_t* block; + page_zip_des_t* page_zip; + ulint err; + rec_t* rec; + roll_ptr_t roll_ptr = ut_dulint_zero; + trx_t* trx; + ulint was_delete_marked; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + rec = btr_cur_get_rec(cursor); + index = cursor->index; + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); + + trx = thr_get_trx(thr); + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); +#ifdef UNIV_DEBUG + if (btr_cur_print_record_ops && thr) { + btr_cur_trx_report(trx, index, "update "); + rec_print_new(stderr, rec, offsets); + } +#endif /* UNIV_DEBUG */ + + block = btr_cur_get_block(cursor); + page_zip = buf_block_get_page_zip(block); + + /* Check that enough space is available on the compressed page. */ + if (UNIV_LIKELY_NULL(page_zip) + && !btr_cur_update_alloc_zip(page_zip, block, index, + rec_offs_size(offsets), FALSE, mtr)) { + return(DB_ZIP_OVERFLOW); + } + + /* Do lock checking and undo logging */ + err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, + thr, mtr, &roll_ptr); + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); + } + + if (block->is_hashed) { + /* The function row_upd_changes_ord_field_binary works only + if the update vector was built for a clustered index, we must + NOT call it if index is secondary */ + + if (!dict_index_is_clust(index) + || row_upd_changes_ord_field_binary(NULL, index, update)) { + + /* Remove possible hash index pointer to this record */ + btr_search_update_hash_on_delete(cursor); + } + + rw_lock_x_lock(&btr_search_latch); + } + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + row_upd_rec_sys_fields(rec, NULL, + index, offsets, trx, roll_ptr); + } + + was_delete_marked = rec_get_deleted_flag( + rec, page_is_comp(buf_block_get_frame(block))); + + row_upd_rec_in_place(rec, index, offsets, update, page_zip); + + if (block->is_hashed) { + rw_lock_x_unlock(&btr_search_latch); + } + + if (page_zip && !dict_index_is_clust(index) + && page_is_leaf(buf_block_get_frame(block))) { + /* Update the free bits in the insert buffer. */ + ibuf_update_free_bits_zip(block, mtr); + } + + btr_cur_update_in_place_log(flags, rec, index, update, + trx, roll_ptr, mtr); + + if (was_delete_marked + && !rec_get_deleted_flag(rec, page_is_comp( + buf_block_get_frame(block)))) { + /* The new updated record owns its possible externally + stored fields */ + + btr_cur_unmark_extern_fields(page_zip, + rec, index, offsets, mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(DB_SUCCESS); +} + +/*************************************************************//** +Tries to update a record on a page in an index tree. It is assumed that mtr +holds an x-latch on the page. The operation does not succeed if there is too +little space on the page or if the update would result in too empty a page, +so that tree compression is recommended. We assume here that the ordering +fields of the record do not change. +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, +DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if +there is not enough space left on the compressed page */ +UNIV_INTERN +ulint +btr_cur_optimistic_update( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; + cursor stays valid and positioned on the + same record */ + const upd_t* update, /*!< in: update vector; this must also + contain trx id and roll ptr fields */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before + latching any further pages */ +{ + dict_index_t* index; + page_cur_t* page_cursor; + ulint err; + buf_block_t* block; + page_t* page; + page_zip_des_t* page_zip; + rec_t* rec; + rec_t* orig_rec; + ulint max_size; + ulint new_rec_size; + ulint old_rec_size; + dtuple_t* new_entry; + roll_ptr_t roll_ptr; + trx_t* trx; + mem_heap_t* heap; + ulint i; + ulint n_ext; + ulint* offsets; + + block = btr_cur_get_block(cursor); + page = buf_block_get_frame(block); + orig_rec = rec = btr_cur_get_rec(cursor); + index = cursor->index; + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); + + heap = mem_heap_create(1024); + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); + +#ifdef UNIV_DEBUG + if (btr_cur_print_record_ops && thr) { + btr_cur_trx_report(thr_get_trx(thr), index, "update "); + rec_print_new(stderr, rec, offsets); + } +#endif /* UNIV_DEBUG */ + + if (!row_upd_changes_field_size_or_external(index, offsets, update)) { + + /* The simplest and the most common case: the update does not + change the size of any field and none of the updated fields is + externally stored in rec or update, and there is enough space + on the compressed page to log the update. */ + + mem_heap_free(heap); + return(btr_cur_update_in_place(flags, cursor, update, + cmpl_info, thr, mtr)); + } + + if (rec_offs_any_extern(offsets)) { +any_extern: + /* Externally stored fields are treated in pessimistic + update */ + + mem_heap_free(heap); + return(DB_OVERFLOW); + } + + for (i = 0; i < upd_get_n_fields(update); i++) { + if (dfield_is_ext(&upd_get_nth_field(update, i)->new_val)) { + + goto any_extern; + } + } + + page_cursor = btr_cur_get_page_cur(cursor); + + new_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, + &n_ext, heap); + /* We checked above that there are no externally stored fields. */ + ut_a(!n_ext); + + /* The page containing the clustered index record + corresponding to new_entry is latched in mtr. + Thus the following call is safe. */ + row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, + FALSE, heap); + old_rec_size = rec_offs_size(offsets); + new_rec_size = rec_get_converted_size(index, new_entry, 0); + + page_zip = buf_block_get_page_zip(block); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (UNIV_LIKELY_NULL(page_zip) + && !btr_cur_update_alloc_zip(page_zip, block, index, + new_rec_size, TRUE, mtr)) { + err = DB_ZIP_OVERFLOW; + goto err_exit; + } + + if (UNIV_UNLIKELY(new_rec_size + >= (page_get_free_space_of_empty(page_is_comp(page)) + / 2))) { + + err = DB_OVERFLOW; + goto err_exit; + } + + if (UNIV_UNLIKELY(page_get_data_size(page) + - old_rec_size + new_rec_size + < BTR_CUR_PAGE_COMPRESS_LIMIT)) { + + /* The page would become too empty */ + + err = DB_UNDERFLOW; + goto err_exit; + } + + max_size = old_rec_size + + page_get_max_insert_size_after_reorganize(page, 1); + + if (!(((max_size >= BTR_CUR_PAGE_REORGANIZE_LIMIT) + && (max_size >= new_rec_size)) + || (page_get_n_recs(page) <= 1))) { + + /* There was not enough space, or it did not pay to + reorganize: for simplicity, we decide what to do assuming a + reorganization is needed, though it might not be necessary */ + + err = DB_OVERFLOW; + goto err_exit; + } + + /* Do lock checking and undo logging */ + err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, + thr, mtr, &roll_ptr); + if (err != DB_SUCCESS) { +err_exit: + mem_heap_free(heap); + return(err); + } + + /* Ok, we may do the replacement. Store on the page infimum the + explicit locks on rec, before deleting rec (see the comment in + btr_cur_pessimistic_update). */ + + lock_rec_store_on_page_infimum(block, rec); + + btr_search_update_hash_on_delete(cursor); + + /* The call to row_rec_to_index_entry(ROW_COPY_DATA, ...) above + invokes rec_offs_make_valid() to point to the copied record that + the fields of new_entry point to. We have to undo it here. */ + ut_ad(rec_offs_validate(NULL, index, offsets)); + rec_offs_make_valid(page_cur_get_rec(page_cursor), index, offsets); + + page_cur_delete_rec(page_cursor, index, offsets, mtr); + + page_cur_move_to_prev(page_cursor); + + trx = thr_get_trx(thr); + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + row_upd_index_entry_sys_field(new_entry, index, DATA_ROLL_PTR, + roll_ptr); + row_upd_index_entry_sys_field(new_entry, index, DATA_TRX_ID, + trx->id); + } + + /* There are no externally stored columns in new_entry */ + rec = btr_cur_insert_if_possible(cursor, new_entry, 0/*n_ext*/, mtr); + ut_a(rec); /* <- We calculated above the insert would fit */ + + if (page_zip && !dict_index_is_clust(index) + && page_is_leaf(page)) { + /* Update the free bits in the insert buffer. */ + ibuf_update_free_bits_zip(block, mtr); + } + + /* Restore the old explicit lock state on the record */ + + lock_rec_restore_from_page_infimum(block, rec, block); + + page_cur_move_to_next(page_cursor); + + mem_heap_free(heap); + + return(DB_SUCCESS); +} + +/*************************************************************//** +If, in a split, a new supremum record was created as the predecessor of the +updated record, the supremum record must inherit exactly the locks on the +updated record. In the split it may have inherited locks from the successor +of the updated record, which is not correct. This function restores the +right locks for the new supremum. */ +static +void +btr_cur_pess_upd_restore_supremum( +/*==============================*/ + buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: updated record */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + buf_block_t* prev_block; + ulint space; + ulint zip_size; + ulint prev_page_no; + + page = buf_block_get_frame(block); + + if (page_rec_get_next(page_get_infimum_rec(page)) != rec) { + /* Updated record is not the first user record on its page */ + + return; + } + + space = buf_block_get_space(block); + zip_size = buf_block_get_zip_size(block); + prev_page_no = btr_page_get_prev(page, mtr); + + ut_ad(prev_page_no != FIL_NULL); + prev_block = buf_page_get_with_no_latch(space, zip_size, + prev_page_no, mtr); +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_next(prev_block->frame, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + /* We must already have an x-latch on prev_block! */ + ut_ad(mtr_memo_contains(mtr, prev_block, MTR_MEMO_PAGE_X_FIX)); + + lock_rec_reset_and_inherit_gap_locks(prev_block, block, + PAGE_HEAP_NO_SUPREMUM, + page_rec_get_heap_no(rec)); +} + +/*************************************************************//** +Performs an update of a record on a page of a tree. It is assumed +that mtr holds an x-latch on the tree and on the cursor page. If the +update is made on the leaf level, to avoid deadlocks, mtr must also +own x-latches to brothers of page, if those brothers exist. We assume +here that the ordering fields of the record do not change. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +btr_cur_pessimistic_update( +/*=======================*/ + ulint flags, /*!< in: undo logging, locking, and rollback + flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or NULL */ + const upd_t* update, /*!< in: update vector; this is allowed also + contain trx id and roll ptr fields, but + the values in update vector have no effect */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before + latching any further pages */ +{ + big_rec_t* big_rec_vec = NULL; + big_rec_t* dummy_big_rec; + dict_index_t* index; + buf_block_t* block; + page_t* page; + page_zip_des_t* page_zip; + rec_t* rec; + page_cur_t* page_cursor; + dtuple_t* new_entry; + ulint err; + ulint optim_err; + roll_ptr_t roll_ptr; + trx_t* trx; + ibool was_first; + ulint n_extents = 0; + ulint n_reserved; + ulint n_ext; + ulint* offsets = NULL; + + *big_rec = NULL; + + block = btr_cur_get_block(cursor); + page = buf_block_get_frame(block); + page_zip = buf_block_get_page_zip(block); + rec = btr_cur_get_rec(cursor); + index = cursor->index; + + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + /* The insert buffer tree should never be updated in place. */ + ut_ad(!dict_index_is_ibuf(index)); + + optim_err = btr_cur_optimistic_update(flags, cursor, update, + cmpl_info, thr, mtr); + + switch (optim_err) { + case DB_UNDERFLOW: + case DB_OVERFLOW: + case DB_ZIP_OVERFLOW: + break; + default: + return(optim_err); + } + + /* Do lock checking and undo logging */ + err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, + thr, mtr, &roll_ptr); + if (err != DB_SUCCESS) { + + return(err); + } + + if (optim_err == DB_OVERFLOW) { + ulint reserve_flag; + + /* First reserve enough free space for the file segments + of the index tree, so that the update will not fail because + of lack of space */ + + n_extents = cursor->tree_height / 16 + 3; + + if (flags & BTR_NO_UNDO_LOG_FLAG) { + reserve_flag = FSP_CLEANING; + } else { + reserve_flag = FSP_NORMAL; + } + + if (!fsp_reserve_free_extents(&n_reserved, index->space, + n_extents, reserve_flag, mtr)) { + return(DB_OUT_OF_FILE_SPACE); + } + } + + if (!*heap) { + *heap = mem_heap_create(1024); + } + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, heap); + + trx = thr_get_trx(thr); + + new_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, + &n_ext, *heap); + /* The call to row_rec_to_index_entry(ROW_COPY_DATA, ...) above + invokes rec_offs_make_valid() to point to the copied record that + the fields of new_entry point to. We have to undo it here. */ + ut_ad(rec_offs_validate(NULL, index, offsets)); + rec_offs_make_valid(rec, index, offsets); + + /* The page containing the clustered index record + corresponding to new_entry is latched in mtr. If the + clustered index record is delete-marked, then its externally + stored fields cannot have been purged yet, because then the + purge would also have removed the clustered index record + itself. Thus the following call is safe. */ + row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, + FALSE, *heap); + if (!(flags & BTR_KEEP_SYS_FLAG)) { + row_upd_index_entry_sys_field(new_entry, index, DATA_ROLL_PTR, + roll_ptr); + row_upd_index_entry_sys_field(new_entry, index, DATA_TRX_ID, + trx->id); + } + + if ((flags & BTR_NO_UNDO_LOG_FLAG) && rec_offs_any_extern(offsets)) { + /* We are in a transaction rollback undoing a row + update: we must free possible externally stored fields + which got new values in the update, if they are not + inherited values. They can be inherited if we have + updated the primary key to another value, and then + update it back again. */ + + ut_ad(big_rec_vec == NULL); + + btr_rec_free_updated_extern_fields( + index, rec, page_zip, offsets, update, + trx_is_recv(trx) ? RB_RECOVERY : RB_NORMAL, mtr); + } + + /* We have to set appropriate extern storage bits in the new + record to be inserted: we have to remember which fields were such */ + + ut_ad(!page_is_comp(page) || !rec_get_node_ptr_flag(rec)); + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, heap); + n_ext += btr_push_update_extern_fields(new_entry, update, *heap); + + if (UNIV_LIKELY_NULL(page_zip)) { + ut_ad(page_is_comp(page)); + if (page_zip_rec_needs_ext( + rec_get_converted_size(index, new_entry, n_ext), + TRUE, + dict_index_get_n_fields(index), + page_zip_get_size(page_zip))) { + + goto make_external; + } + } else if (page_zip_rec_needs_ext( + rec_get_converted_size(index, new_entry, n_ext), + page_is_comp(page), 0, 0)) { +make_external: + big_rec_vec = dtuple_convert_big_rec(index, new_entry, &n_ext); + if (UNIV_UNLIKELY(big_rec_vec == NULL)) { + + err = DB_TOO_BIG_RECORD; + goto return_after_reservations; + } + } + + /* Store state of explicit locks on rec on the page infimum record, + before deleting rec. The page infimum acts as a dummy carrier of the + locks, taking care also of lock releases, before we can move the locks + back on the actual record. There is a special case: if we are + inserting on the root page and the insert causes a call of + btr_root_raise_and_insert. Therefore we cannot in the lock system + delete the lock structs set on the root page even if the root + page carries just node pointers. */ + + lock_rec_store_on_page_infimum(block, rec); + + btr_search_update_hash_on_delete(cursor); + +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + page_cursor = btr_cur_get_page_cur(cursor); + + page_cur_delete_rec(page_cursor, index, offsets, mtr); + + page_cur_move_to_prev(page_cursor); + + rec = btr_cur_insert_if_possible(cursor, new_entry, n_ext, mtr); + + if (rec) { + lock_rec_restore_from_page_infimum(btr_cur_get_block(cursor), + rec, block); + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, heap); + + if (!rec_get_deleted_flag(rec, rec_offs_comp(offsets))) { + /* The new inserted record owns its possible externally + stored fields */ + btr_cur_unmark_extern_fields(page_zip, + rec, index, offsets, mtr); + } + + btr_cur_compress_if_useful(cursor, mtr); + + if (page_zip && !dict_index_is_clust(index) + && page_is_leaf(page)) { + /* Update the free bits in the insert buffer. */ + ibuf_update_free_bits_zip(block, mtr); + } + + err = DB_SUCCESS; + goto return_after_reservations; + } else { + ut_a(optim_err != DB_UNDERFLOW); + + /* Out of space: reset the free bits. */ + if (!dict_index_is_clust(index) + && page_is_leaf(page)) { + ibuf_reset_free_bits(block); + } + } + + /* Was the record to be updated positioned as the first user + record on its page? */ + was_first = page_cur_is_before_first(page_cursor); + + /* The first parameter means that no lock checking and undo logging + is made in the insert */ + + err = btr_cur_pessimistic_insert(BTR_NO_UNDO_LOG_FLAG + | BTR_NO_LOCKING_FLAG + | BTR_KEEP_SYS_FLAG, + cursor, new_entry, &rec, + &dummy_big_rec, n_ext, NULL, mtr); + ut_a(rec); + ut_a(err == DB_SUCCESS); + ut_a(dummy_big_rec == NULL); + + if (dict_index_is_sec_or_ibuf(index)) { + /* Update PAGE_MAX_TRX_ID in the index page header. + It was not updated by btr_cur_pessimistic_insert() + because of BTR_NO_LOCKING_FLAG. */ + buf_block_t* rec_block; + + rec_block = btr_cur_get_block(cursor); + + page_update_max_trx_id(rec_block, + buf_block_get_page_zip(rec_block), + trx->id, mtr); + } + + if (!rec_get_deleted_flag(rec, rec_offs_comp(offsets))) { + /* The new inserted record owns its possible externally + stored fields */ + buf_block_t* rec_block = btr_cur_get_block(cursor); + +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); + page = buf_block_get_frame(rec_block); +#endif /* UNIV_ZIP_DEBUG */ + page_zip = buf_block_get_page_zip(rec_block); + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, heap); + btr_cur_unmark_extern_fields(page_zip, + rec, index, offsets, mtr); + } + + lock_rec_restore_from_page_infimum(btr_cur_get_block(cursor), + rec, block); + + /* If necessary, restore also the correct lock state for a new, + preceding supremum record created in a page split. While the old + record was nonexistent, the supremum might have inherited its locks + from a wrong record. */ + + if (!was_first) { + btr_cur_pess_upd_restore_supremum(btr_cur_get_block(cursor), + rec, mtr); + } + +return_after_reservations: +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (n_extents > 0) { + fil_space_release_free_extents(index->space, n_reserved); + } + + *big_rec = big_rec_vec; + + return(err); +} + +/*==================== B-TREE DELETE MARK AND UNMARK ===============*/ + +/****************************************************************//** +Writes the redo log record for delete marking or unmarking of an index +record. */ +UNIV_INLINE +void +btr_cur_del_mark_set_clust_rec_log( +/*===============================*/ + ulint flags, /*!< in: flags */ + rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index of the record */ + ibool val, /*!< in: value to set */ + trx_t* trx, /*!< in: deleting transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr to the undo log record */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + ut_ad(flags < 256); + ut_ad(val <= 1); + + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + + log_ptr = mlog_open_and_write_index(mtr, rec, index, + page_rec_is_comp(rec) + ? MLOG_COMP_REC_CLUST_DELETE_MARK + : MLOG_REC_CLUST_DELETE_MARK, + 1 + 1 + DATA_ROLL_PTR_LEN + + 14 + 2); + + if (!log_ptr) { + /* Logging in mtr is switched off during crash recovery */ + return; + } + + mach_write_to_1(log_ptr, flags); + log_ptr++; + mach_write_to_1(log_ptr, val); + log_ptr++; + + log_ptr = row_upd_write_sys_vals_to_log(index, trx, roll_ptr, log_ptr, + mtr); + mach_write_to_2(log_ptr, page_offset(rec)); + log_ptr += 2; + + mlog_close(mtr, log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/****************************************************************//** +Parses the redo log record for delete marking or unmarking of a clustered +index record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_del_mark_set_clust_rec( +/*=================================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index) /*!< in: index corresponding to page */ +{ + ulint flags; + ulint val; + ulint pos; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint offset; + rec_t* rec; + + ut_ad(!page + || !!page_is_comp(page) == dict_table_is_comp(index->table)); + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + flags = mach_read_from_1(ptr); + ptr++; + val = mach_read_from_1(ptr); + ptr++; + + ptr = row_upd_parse_sys_vals(ptr, end_ptr, &pos, &trx_id, &roll_ptr); + + if (ptr == NULL) { + + return(NULL); + } + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + ptr += 2; + + ut_a(offset <= UNIV_PAGE_SIZE); + + if (page) { + rec = page + offset; + + /* We do not need to reserve btr_search_latch, as the page + is only being recovered, and there cannot be a hash index to + it. */ + + btr_rec_set_deleted_flag(rec, page_zip, val); + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + row_upd_rec_sys_fields_in_recovery( + rec, page_zip, + rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap), + pos, trx_id, roll_ptr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + } + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************//** +Marks a clustered index record deleted. Writes an undo log record to +undo log on this delete marking. Writes in the trx id field the id +of the deleting transaction, and in the roll ptr field pointer to the +undo log record created. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ +UNIV_INTERN +ulint +btr_cur_del_mark_set_clust_rec( +/*===========================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + buf_block_t* block; + roll_ptr_t roll_ptr; + ulint err; + rec_t* rec; + page_zip_des_t* page_zip; + trx_t* trx; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + rec = btr_cur_get_rec(cursor); + index = cursor->index; + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + +#ifdef UNIV_DEBUG + if (btr_cur_print_record_ops && thr) { + btr_cur_trx_report(thr_get_trx(thr), index, "del mark "); + rec_print_new(stderr, rec, offsets); + } +#endif /* UNIV_DEBUG */ + + ut_ad(dict_index_is_clust(index)); + ut_ad(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); + + err = lock_clust_rec_modify_check_and_lock(flags, + btr_cur_get_block(cursor), + rec, index, offsets, thr); + + if (err != DB_SUCCESS) { + + goto func_exit; + } + + err = trx_undo_report_row_operation(flags, TRX_UNDO_MODIFY_OP, thr, + index, NULL, NULL, 0, rec, + &roll_ptr); + if (err != DB_SUCCESS) { + + goto func_exit; + } + + block = btr_cur_get_block(cursor); + + if (block->is_hashed) { + rw_lock_x_lock(&btr_search_latch); + } + + page_zip = buf_block_get_page_zip(block); + + btr_rec_set_deleted_flag(rec, page_zip, val); + + trx = thr_get_trx(thr); + + if (!(flags & BTR_KEEP_SYS_FLAG)) { + row_upd_rec_sys_fields(rec, page_zip, + index, offsets, trx, roll_ptr); + } + + if (block->is_hashed) { + rw_lock_x_unlock(&btr_search_latch); + } + + btr_cur_del_mark_set_clust_rec_log(flags, rec, index, val, trx, + roll_ptr, mtr); + +func_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/****************************************************************//** +Writes the redo log record for a delete mark setting of a secondary +index record. */ +UNIV_INLINE +void +btr_cur_del_mark_set_sec_rec_log( +/*=============================*/ + rec_t* rec, /*!< in: record */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + ut_ad(val <= 1); + + log_ptr = mlog_open(mtr, 11 + 1 + 2); + + if (!log_ptr) { + /* Logging in mtr is switched off during crash recovery: + in that case mlog_open returns NULL */ + return; + } + + log_ptr = mlog_write_initial_log_record_fast( + rec, MLOG_REC_SEC_DELETE_MARK, log_ptr, mtr); + mach_write_to_1(log_ptr, val); + log_ptr++; + + mach_write_to_2(log_ptr, page_offset(rec)); + log_ptr += 2; + + mlog_close(mtr, log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/****************************************************************//** +Parses the redo log record for delete marking or unmarking of a secondary +index record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_del_mark_set_sec_rec( +/*===============================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip)/*!< in/out: compressed page, or NULL */ +{ + ulint val; + ulint offset; + rec_t* rec; + + if (end_ptr < ptr + 3) { + + return(NULL); + } + + val = mach_read_from_1(ptr); + ptr++; + + offset = mach_read_from_2(ptr); + ptr += 2; + + ut_a(offset <= UNIV_PAGE_SIZE); + + if (page) { + rec = page + offset; + + /* We do not need to reserve btr_search_latch, as the page + is only being recovered, and there cannot be a hash index to + it. */ + + btr_rec_set_deleted_flag(rec, page_zip, val); + } + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************//** +Sets a secondary index record delete mark to TRUE or FALSE. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ +UNIV_INTERN +ulint +btr_cur_del_mark_set_sec_rec( +/*=========================*/ + ulint flags, /*!< in: locking flag */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + rec_t* rec; + ulint err; + + block = btr_cur_get_block(cursor); + rec = btr_cur_get_rec(cursor); + +#ifdef UNIV_DEBUG + if (btr_cur_print_record_ops && thr) { + btr_cur_trx_report(thr_get_trx(thr), cursor->index, + "del mark "); + rec_print(stderr, rec, cursor->index); + } +#endif /* UNIV_DEBUG */ + + err = lock_sec_rec_modify_check_and_lock(flags, + btr_cur_get_block(cursor), + rec, cursor->index, thr, mtr); + if (err != DB_SUCCESS) { + + return(err); + } + + ut_ad(!!page_rec_is_comp(rec) + == dict_table_is_comp(cursor->index->table)); + + if (block->is_hashed) { + rw_lock_x_lock(&btr_search_latch); + } + + btr_rec_set_deleted_flag(rec, buf_block_get_page_zip(block), val); + + if (block->is_hashed) { + rw_lock_x_unlock(&btr_search_latch); + } + + btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); + + return(DB_SUCCESS); +} + +/***********************************************************//** +Sets a secondary index record's delete mark to the given value. This +function is only used by the insert buffer merge mechanism. */ +UNIV_INTERN +void +btr_cur_set_deleted_flag_for_ibuf( +/*==============================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip, /*!< in/out: compressed page + corresponding to rec, or NULL + when the tablespace is + uncompressed */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr */ +{ + /* We do not need to reserve btr_search_latch, as the page has just + been read to the buffer pool and there cannot be a hash index to it. */ + + btr_rec_set_deleted_flag(rec, page_zip, val); + + btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); +} + +/*==================== B-TREE RECORD REMOVE =========================*/ + +/*************************************************************//** +Tries to compress a page of the tree if it seems useful. It is assumed +that mtr holds an x-latch on the tree and on the cursor page. To avoid +deadlocks, mtr must also own x-latches to brothers of page, if those +brothers exist. NOTE: it is assumed that the caller has reserved enough +free extents so that the compression will always succeed if done! +@return TRUE if compression occurred */ +UNIV_INTERN +ibool +btr_cur_compress_if_useful( +/*=======================*/ + btr_cur_t* cursor, /*!< in: cursor on the page to compress; + cursor does not stay valid if compression + occurs */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mtr_memo_contains(mtr, + dict_index_get_lock(btr_cur_get_index(cursor)), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), + MTR_MEMO_PAGE_X_FIX)); + + return(btr_cur_compress_recommendation(cursor, mtr) + && btr_compress(cursor, mtr)); +} + +/*******************************************************//** +Removes the record on which the tree cursor is positioned on a leaf page. +It is assumed that the mtr has an x-latch on the page where the cursor is +positioned, but no latch on the whole tree. +@return TRUE if success, i.e., the page did not become too empty */ +UNIV_INTERN +ibool +btr_cur_optimistic_delete( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor on leaf page, on the record to + delete; cursor stays valid: if deletion + succeeds, on function exit it points to the + successor of the deleted record */ + mtr_t* mtr) /*!< in: mtr; if this function returns + TRUE on a leaf page of a secondary + index, the mtr must be committed + before latching any further pages */ +{ + buf_block_t* block; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + ibool no_compress_needed; + rec_offs_init(offsets_); + + ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), + MTR_MEMO_PAGE_X_FIX)); + /* This is intended only for leaf page deletions */ + + block = btr_cur_get_block(cursor); + + ut_ad(page_is_leaf(buf_block_get_frame(block))); + + rec = btr_cur_get_rec(cursor); + offsets = rec_get_offsets(rec, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + + no_compress_needed = !rec_offs_any_extern(offsets) + && btr_cur_can_delete_without_compress( + cursor, rec_offs_size(offsets), mtr); + + if (no_compress_needed) { + + page_t* page = buf_block_get_frame(block); + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + ulint max_ins = 0; + + lock_update_delete(block, rec); + + btr_search_update_hash_on_delete(cursor); + + if (!page_zip) { + max_ins = page_get_max_insert_size_after_reorganize( + page, 1); + } +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + page_cur_delete_rec(btr_cur_get_page_cur(cursor), + cursor->index, offsets, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (dict_index_is_clust(cursor->index) + || dict_index_is_ibuf(cursor->index) + || !page_is_leaf(page)) { + /* The insert buffer does not handle + inserts to clustered indexes, to + non-leaf pages of secondary index B-trees, + or to the insert buffer. */ + } else if (page_zip) { + ibuf_update_free_bits_zip(block, mtr); + } else { + ibuf_update_free_bits_low(block, max_ins, mtr); + } + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + return(no_compress_needed); +} + +/*************************************************************//** +Removes the record on which the tree cursor is positioned. Tries +to compress the page if its fillfactor drops below a threshold +or if it is the only page on the level. It is assumed that mtr holds +an x-latch on the tree and on the cursor page. To avoid deadlocks, +mtr must also own x-latches to brothers of page, if those brothers +exist. +@return TRUE if compression occurred */ +UNIV_INTERN +ibool +btr_cur_pessimistic_delete( +/*=======================*/ + ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; + the latter may occur because we may have + to update node pointers on upper levels, + and in the case of variable length keys + these may actually grow in size */ + ibool has_reserved_extents, /*!< in: TRUE if the + caller has already reserved enough free + extents so that he knows that the operation + will succeed */ + btr_cur_t* cursor, /*!< in: cursor on the record to delete; + if compression does not occur, the cursor + stays valid: it points to successor of + deleted record on function exit */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + page_t* page; + page_zip_des_t* page_zip; + dict_index_t* index; + rec_t* rec; + dtuple_t* node_ptr; + ulint n_extents = 0; + ulint n_reserved; + ibool success; + ibool ret = FALSE; + ulint level; + mem_heap_t* heap; + ulint* offsets; + + block = btr_cur_get_block(cursor); + page = buf_block_get_frame(block); + index = btr_cur_get_index(cursor); + + ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + if (!has_reserved_extents) { + /* First reserve enough free space for the file segments + of the index tree, so that the node pointer updates will + not fail because of lack of space */ + + n_extents = cursor->tree_height / 32 + 1; + + success = fsp_reserve_free_extents(&n_reserved, + index->space, + n_extents, + FSP_CLEANING, mtr); + if (!success) { + *err = DB_OUT_OF_FILE_SPACE; + + return(FALSE); + } + } + + heap = mem_heap_create(1024); + rec = btr_cur_get_rec(cursor); + page_zip = buf_block_get_page_zip(block); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); + + if (rec_offs_any_extern(offsets)) { + btr_rec_free_externally_stored_fields(index, + rec, offsets, page_zip, + rb_ctx, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + } + + if (UNIV_UNLIKELY(page_get_n_recs(page) < 2) + && UNIV_UNLIKELY(dict_index_get_page(index) + != buf_block_get_page_no(block))) { + + /* If there is only one record, drop the whole page in + btr_discard_page, if this is not the root page */ + + btr_discard_page(cursor, mtr); + + *err = DB_SUCCESS; + ret = TRUE; + + goto return_after_reservations; + } + + lock_update_delete(block, rec); + level = btr_page_get_level(page, mtr); + + if (level > 0 + && UNIV_UNLIKELY(rec == page_rec_get_next( + page_get_infimum_rec(page)))) { + + rec_t* next_rec = page_rec_get_next(rec); + + if (btr_page_get_prev(page, mtr) == FIL_NULL) { + + /* If we delete the leftmost node pointer on a + non-leaf level, we must mark the new leftmost node + pointer as the predefined minimum record */ + + /* This will make page_zip_validate() fail until + page_cur_delete_rec() completes. This is harmless, + because everything will take place within a single + mini-transaction and because writing to the redo log + is an atomic operation (performed by mtr_commit()). */ + btr_set_min_rec_mark(next_rec, mtr); + } else { + /* Otherwise, if we delete the leftmost node pointer + on a page, we have to change the father node pointer + so that it is equal to the new leftmost node pointer + on the page */ + + btr_node_ptr_delete(index, block, mtr); + + node_ptr = dict_index_build_node_ptr( + index, next_rec, buf_block_get_page_no(block), + heap, level); + + btr_insert_on_non_leaf_level(index, + level + 1, node_ptr, mtr); + } + } + + btr_search_update_hash_on_delete(cursor); + + page_cur_delete_rec(btr_cur_get_page_cur(cursor), index, offsets, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + ut_ad(btr_check_node_ptr(index, block, mtr)); + + *err = DB_SUCCESS; + +return_after_reservations: + mem_heap_free(heap); + + if (ret == FALSE) { + ret = btr_cur_compress_if_useful(cursor, mtr); + } + + if (n_extents > 0) { + fil_space_release_free_extents(index->space, n_reserved); + } + + return(ret); +} + +/*******************************************************************//** +Adds path information to the cursor for the current page, for which +the binary search has been performed. */ +static +void +btr_cur_add_path_info( +/*==================*/ + btr_cur_t* cursor, /*!< in: cursor positioned on a page */ + ulint height, /*!< in: height of the page in tree; + 0 means leaf node */ + ulint root_height) /*!< in: root node height in tree */ +{ + btr_path_t* slot; + rec_t* rec; + + ut_a(cursor->path_arr); + + if (root_height >= BTR_PATH_ARRAY_N_SLOTS - 1) { + /* Do nothing; return empty path */ + + slot = cursor->path_arr; + slot->nth_rec = ULINT_UNDEFINED; + + return; + } + + if (height == 0) { + /* Mark end of slots for path */ + slot = cursor->path_arr + root_height + 1; + slot->nth_rec = ULINT_UNDEFINED; + } + + rec = btr_cur_get_rec(cursor); + + slot = cursor->path_arr + (root_height - height); + + slot->nth_rec = page_rec_get_n_recs_before(rec); + slot->n_recs = page_get_n_recs(page_align(rec)); +} + +/*******************************************************************//** +Estimates the number of rows in a given index range. +@return estimated number of rows */ +UNIV_INTERN +ib_int64_t +btr_estimate_n_rows_in_range( +/*=========================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ + ulint mode1, /*!< in: search mode for range start */ + const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ + ulint mode2) /*!< in: search mode for range end */ +{ + btr_path_t path1[BTR_PATH_ARRAY_N_SLOTS]; + btr_path_t path2[BTR_PATH_ARRAY_N_SLOTS]; + btr_cur_t cursor; + btr_path_t* slot1; + btr_path_t* slot2; + ibool diverged; + ibool diverged_lot; + ulint divergence_level; + ib_int64_t n_rows; + ulint i; + mtr_t mtr; + + mtr_start(&mtr); + + cursor.path_arr = path1; + + if (dtuple_get_n_fields(tuple1) > 0) { + + btr_cur_search_to_nth_level(index, 0, tuple1, mode1, + BTR_SEARCH_LEAF | BTR_ESTIMATE, + &cursor, 0, + __FILE__, __LINE__, &mtr); + } else { + btr_cur_open_at_index_side(TRUE, index, + BTR_SEARCH_LEAF | BTR_ESTIMATE, + &cursor, &mtr); + } + + mtr_commit(&mtr); + + mtr_start(&mtr); + + cursor.path_arr = path2; + + if (dtuple_get_n_fields(tuple2) > 0) { + + btr_cur_search_to_nth_level(index, 0, tuple2, mode2, + BTR_SEARCH_LEAF | BTR_ESTIMATE, + &cursor, 0, + __FILE__, __LINE__, &mtr); + } else { + btr_cur_open_at_index_side(FALSE, index, + BTR_SEARCH_LEAF | BTR_ESTIMATE, + &cursor, &mtr); + } + + mtr_commit(&mtr); + + /* We have the path information for the range in path1 and path2 */ + + n_rows = 1; + diverged = FALSE; /* This becomes true when the path is not + the same any more */ + diverged_lot = FALSE; /* This becomes true when the paths are + not the same or adjacent any more */ + divergence_level = 1000000; /* This is the level where paths diverged + a lot */ + for (i = 0; ; i++) { + ut_ad(i < BTR_PATH_ARRAY_N_SLOTS); + + slot1 = path1 + i; + slot2 = path2 + i; + + if (slot1->nth_rec == ULINT_UNDEFINED + || slot2->nth_rec == ULINT_UNDEFINED) { + + if (i > divergence_level + 1) { + /* In trees whose height is > 1 our algorithm + tends to underestimate: multiply the estimate + by 2: */ + + n_rows = n_rows * 2; + } + + /* Do not estimate the number of rows in the range + to over 1 / 2 of the estimated rows in the whole + table */ + + if (n_rows > index->table->stat_n_rows / 2) { + n_rows = index->table->stat_n_rows / 2; + + /* If there are just 0 or 1 rows in the table, + then we estimate all rows are in the range */ + + if (n_rows == 0) { + n_rows = index->table->stat_n_rows; + } + } + + return(n_rows); + } + + if (!diverged && slot1->nth_rec != slot2->nth_rec) { + + diverged = TRUE; + + if (slot1->nth_rec < slot2->nth_rec) { + n_rows = slot2->nth_rec - slot1->nth_rec; + + if (n_rows > 1) { + diverged_lot = TRUE; + divergence_level = i; + } + } else { + /* Maybe the tree has changed between + searches */ + + return(10); + } + + } else if (diverged && !diverged_lot) { + + if (slot1->nth_rec < slot1->n_recs + || slot2->nth_rec > 1) { + + diverged_lot = TRUE; + divergence_level = i; + + n_rows = 0; + + if (slot1->nth_rec < slot1->n_recs) { + n_rows += slot1->n_recs + - slot1->nth_rec; + } + + if (slot2->nth_rec > 1) { + n_rows += slot2->nth_rec - 1; + } + } + } else if (diverged_lot) { + + n_rows = (n_rows * (slot1->n_recs + slot2->n_recs)) + / 2; + } + } +} + +/*******************************************************************//** +Estimates the number of different key values in a given index, for +each n-column prefix of the index where n <= dict_index_get_n_unique(index). +The estimates are stored in the array index->stat_n_diff_key_vals. */ +UNIV_INTERN +void +btr_estimate_number_of_different_key_vals( +/*======================================*/ + dict_index_t* index) /*!< in: index */ +{ + btr_cur_t cursor; + page_t* page; + rec_t* rec; + ulint n_cols; + ulint matched_fields; + ulint matched_bytes; + ib_int64_t* n_diff; + ullint n_sample_pages; /* number of pages to sample */ + ulint not_empty_flag = 0; + ulint total_external_size = 0; + ulint i; + ulint j; + ullint add_on; + mtr_t mtr; + mem_heap_t* heap = NULL; + ulint offsets_rec_[REC_OFFS_NORMAL_SIZE]; + ulint offsets_next_rec_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets_rec = offsets_rec_; + ulint* offsets_next_rec= offsets_next_rec_; + rec_offs_init(offsets_rec_); + rec_offs_init(offsets_next_rec_); + + n_cols = dict_index_get_n_unique(index); + + n_diff = mem_zalloc((n_cols + 1) * sizeof(ib_int64_t)); + + /* It makes no sense to test more pages than are contained + in the index, thus we lower the number if it is too high */ + if (srv_stats_sample_pages > index->stat_index_size) { + if (index->stat_index_size > 0) { + n_sample_pages = index->stat_index_size; + } else { + n_sample_pages = 1; + } + } else { + n_sample_pages = srv_stats_sample_pages; + } + + /* We sample some pages in the index to get an estimate */ + + for (i = 0; i < n_sample_pages; i++) { + rec_t* supremum; + mtr_start(&mtr); + + btr_cur_open_at_rnd_pos(index, BTR_SEARCH_LEAF, &cursor, &mtr); + + /* Count the number of different key values for each prefix of + the key on this index page. If the prefix does not determine + the index record uniquely in the B-tree, then we subtract one + because otherwise our algorithm would give a wrong estimate + for an index where there is just one key value. */ + + page = btr_cur_get_page(&cursor); + + supremum = page_get_supremum_rec(page); + rec = page_rec_get_next(page_get_infimum_rec(page)); + + if (rec != supremum) { + not_empty_flag = 1; + offsets_rec = rec_get_offsets(rec, index, offsets_rec, + ULINT_UNDEFINED, &heap); + } + + while (rec != supremum) { + rec_t* next_rec = page_rec_get_next(rec); + if (next_rec == supremum) { + break; + } + + matched_fields = 0; + matched_bytes = 0; + offsets_next_rec = rec_get_offsets(next_rec, index, + offsets_next_rec, + n_cols, &heap); + + cmp_rec_rec_with_match(rec, next_rec, + offsets_rec, offsets_next_rec, + index, &matched_fields, + &matched_bytes); + + for (j = matched_fields + 1; j <= n_cols; j++) { + /* We add one if this index record has + a different prefix from the previous */ + + n_diff[j]++; + } + + total_external_size + += btr_rec_get_externally_stored_len( + rec, offsets_rec); + + rec = next_rec; + /* Initialize offsets_rec for the next round + and assign the old offsets_rec buffer to + offsets_next_rec. */ + { + ulint* offsets_tmp = offsets_rec; + offsets_rec = offsets_next_rec; + offsets_next_rec = offsets_tmp; + } + } + + + if (n_cols == dict_index_get_n_unique_in_tree(index)) { + + /* If there is more than one leaf page in the tree, + we add one because we know that the first record + on the page certainly had a different prefix than the + last record on the previous index page in the + alphabetical order. Before this fix, if there was + just one big record on each clustered index page, the + algorithm grossly underestimated the number of rows + in the table. */ + + if (btr_page_get_prev(page, &mtr) != FIL_NULL + || btr_page_get_next(page, &mtr) != FIL_NULL) { + + n_diff[n_cols]++; + } + } + + offsets_rec = rec_get_offsets(rec, index, offsets_rec, + ULINT_UNDEFINED, &heap); + total_external_size += btr_rec_get_externally_stored_len( + rec, offsets_rec); + mtr_commit(&mtr); + } + + /* If we saw k borders between different key values on + n_sample_pages leaf pages, we can estimate how many + there will be in index->stat_n_leaf_pages */ + + /* We must take into account that our sample actually represents + also the pages used for external storage of fields (those pages are + included in index->stat_n_leaf_pages) */ + + for (j = 0; j <= n_cols; j++) { + index->stat_n_diff_key_vals[j] + = ((n_diff[j] + * (ib_int64_t)index->stat_n_leaf_pages + + n_sample_pages - 1 + + total_external_size + + not_empty_flag) + / (n_sample_pages + + total_external_size)); + + /* If the tree is small, smaller than + 10 * n_sample_pages + total_external_size, then + the above estimate is ok. For bigger trees it is common that we + do not see any borders between key values in the few pages + we pick. But still there may be n_sample_pages + different key values, or even more. Let us try to approximate + that: */ + + add_on = index->stat_n_leaf_pages + / (10 * (n_sample_pages + + total_external_size)); + + if (add_on > n_sample_pages) { + add_on = n_sample_pages; + } + + index->stat_n_diff_key_vals[j] += add_on; + } + + mem_free(n_diff); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/*================== EXTERNAL STORAGE OF BIG FIELDS ===================*/ + +/***********************************************************//** +Gets the externally stored size of a record, in units of a database page. +@return externally stored part, in units of a database page */ +static +ulint +btr_rec_get_externally_stored_len( +/*==============================*/ + rec_t* rec, /*!< in: record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint n_fields; + byte* data; + ulint local_len; + ulint extern_len; + ulint total_extern_len = 0; + ulint i; + + ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); + n_fields = rec_offs_n_fields(offsets); + + for (i = 0; i < n_fields; i++) { + if (rec_offs_nth_extern(offsets, i)) { + + data = rec_get_nth_field(rec, offsets, i, &local_len); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + extern_len = mach_read_from_4(data + local_len + + BTR_EXTERN_LEN + 4); + + total_extern_len += ut_calc_align(extern_len, + UNIV_PAGE_SIZE); + } + } + + return(total_extern_len / UNIV_PAGE_SIZE); +} + +/*******************************************************************//** +Sets the ownership bit of an externally stored field in a record. */ +static +void +btr_cur_set_ownership_of_extern_field( +/*==================================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + rec_t* rec, /*!< in/out: clustered index record */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint i, /*!< in: field number */ + ibool val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ +{ + byte* data; + ulint local_len; + ulint byte_val; + + data = rec_get_nth_field(rec, offsets, i, &local_len); + + ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + byte_val = mach_read_from_1(data + local_len + BTR_EXTERN_LEN); + + if (val) { + byte_val = byte_val & (~BTR_EXTERN_OWNER_FLAG); + } else { + byte_val = byte_val | BTR_EXTERN_OWNER_FLAG; + } + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_1(data + local_len + BTR_EXTERN_LEN, byte_val); + page_zip_write_blob_ptr(page_zip, rec, index, offsets, i, mtr); + } else if (UNIV_LIKELY(mtr != NULL)) { + + mlog_write_ulint(data + local_len + BTR_EXTERN_LEN, byte_val, + MLOG_1BYTE, mtr); + } else { + mach_write_to_1(data + local_len + BTR_EXTERN_LEN, byte_val); + } +} + +/*******************************************************************//** +Marks not updated extern fields as not-owned by this record. The ownership +is transferred to the updated record which is inserted elsewhere in the +index tree. In purge only the owner of externally stored field is allowed +to free the field. */ +UNIV_INTERN +void +btr_cur_mark_extern_inherited_fields( +/*=================================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ +{ + ulint n; + ulint j; + ulint i; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); + + if (!rec_offs_any_extern(offsets)) { + + return; + } + + n = rec_offs_n_fields(offsets); + + for (i = 0; i < n; i++) { + if (rec_offs_nth_extern(offsets, i)) { + + /* Check it is not in updated fields */ + + if (update) { + for (j = 0; j < upd_get_n_fields(update); + j++) { + if (upd_get_nth_field(update, j) + ->field_no == i) { + + goto updated; + } + } + } + + btr_cur_set_ownership_of_extern_field( + page_zip, rec, index, offsets, i, FALSE, mtr); +updated: + ; + } + } +} + +/*******************************************************************//** +The complement of the previous function: in an update entry may inherit +some externally stored fields from a record. We must mark them as inherited +in entry, so that they are not freed in a rollback. */ +UNIV_INTERN +void +btr_cur_mark_dtuple_inherited_extern( +/*=================================*/ + dtuple_t* entry, /*!< in/out: updated entry to be + inserted to clustered index */ + const upd_t* update) /*!< in: update vector */ +{ + ulint i; + + for (i = 0; i < dtuple_get_n_fields(entry); i++) { + + dfield_t* dfield = dtuple_get_nth_field(entry, i); + byte* data; + ulint len; + ulint j; + + if (!dfield_is_ext(dfield)) { + continue; + } + + /* Check if it is in updated fields */ + + for (j = 0; j < upd_get_n_fields(update); j++) { + if (upd_get_nth_field(update, j)->field_no == i) { + + goto is_updated; + } + } + + data = dfield_get_data(dfield); + len = dfield_get_len(dfield); + data[len - BTR_EXTERN_FIELD_REF_SIZE + BTR_EXTERN_LEN] + |= BTR_EXTERN_INHERITED_FLAG; + +is_updated: + ; + } +} + +/*******************************************************************//** +Marks all extern fields in a record as owned by the record. This function +should be called if the delete mark of a record is removed: a not delete +marked record always owns all its extern fields. */ +static +void +btr_cur_unmark_extern_fields( +/*=========================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ +{ + ulint n; + ulint i; + + ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); + n = rec_offs_n_fields(offsets); + + if (!rec_offs_any_extern(offsets)) { + + return; + } + + for (i = 0; i < n; i++) { + if (rec_offs_nth_extern(offsets, i)) { + + btr_cur_set_ownership_of_extern_field( + page_zip, rec, index, offsets, i, TRUE, mtr); + } + } +} + +/*******************************************************************//** +Marks all extern fields in a dtuple as owned by the record. */ +UNIV_INTERN +void +btr_cur_unmark_dtuple_extern_fields( +/*================================*/ + dtuple_t* entry) /*!< in/out: clustered index entry */ +{ + ulint i; + + for (i = 0; i < dtuple_get_n_fields(entry); i++) { + dfield_t* dfield = dtuple_get_nth_field(entry, i); + + if (dfield_is_ext(dfield)) { + byte* data = dfield_get_data(dfield); + ulint len = dfield_get_len(dfield); + + data[len - BTR_EXTERN_FIELD_REF_SIZE + BTR_EXTERN_LEN] + &= ~BTR_EXTERN_OWNER_FLAG; + } + } +} + +/*******************************************************************//** +Flags the data tuple fields that are marked as extern storage in the +update vector. We use this function to remember which fields we must +mark as extern storage in a record inserted for an update. +@return number of flagged external columns */ +UNIV_INTERN +ulint +btr_push_update_extern_fields( +/*==========================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const upd_t* update, /*!< in: update vector */ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ulint n_pushed = 0; + ulint n; + const upd_field_t* uf; + + ut_ad(tuple); + ut_ad(update); + + uf = update->fields; + n = upd_get_n_fields(update); + + for (; n--; uf++) { + if (dfield_is_ext(&uf->new_val)) { + dfield_t* field + = dtuple_get_nth_field(tuple, uf->field_no); + + if (!dfield_is_ext(field)) { + dfield_set_ext(field); + n_pushed++; + } + + switch (uf->orig_len) { + byte* data; + ulint len; + byte* buf; + case 0: + break; + case BTR_EXTERN_FIELD_REF_SIZE: + /* Restore the original locally stored + part of the column. In the undo log, + InnoDB writes a longer prefix of externally + stored columns, so that column prefixes + in secondary indexes can be reconstructed. */ + dfield_set_data(field, (byte*) dfield_get_data(field) + + dfield_get_len(field) + - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + dfield_set_ext(field); + break; + default: + /* Reconstruct the original locally + stored part of the column. The data + will have to be copied. */ + ut_a(uf->orig_len > BTR_EXTERN_FIELD_REF_SIZE); + + data = dfield_get_data(field); + len = dfield_get_len(field); + + buf = mem_heap_alloc(heap, uf->orig_len); + /* Copy the locally stored prefix. */ + memcpy(buf, data, + uf->orig_len + - BTR_EXTERN_FIELD_REF_SIZE); + /* Copy the BLOB pointer. */ + memcpy(buf + uf->orig_len + - BTR_EXTERN_FIELD_REF_SIZE, + data + len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + + dfield_set_data(field, buf, uf->orig_len); + dfield_set_ext(field); + } + } + } + + return(n_pushed); +} + +/*******************************************************************//** +Returns the length of a BLOB part stored on the header page. +@return part length */ +static +ulint +btr_blob_get_part_len( +/*==================*/ + const byte* blob_header) /*!< in: blob header */ +{ + return(mach_read_from_4(blob_header + BTR_BLOB_HDR_PART_LEN)); +} + +/*******************************************************************//** +Returns the page number where the next BLOB part is stored. +@return page number or FIL_NULL if no more pages */ +static +ulint +btr_blob_get_next_page_no( +/*======================*/ + const byte* blob_header) /*!< in: blob header */ +{ + return(mach_read_from_4(blob_header + BTR_BLOB_HDR_NEXT_PAGE_NO)); +} + +/*******************************************************************//** +Deallocate a buffer block that was reserved for a BLOB part. */ +static +void +btr_blob_free( +/*==========*/ + buf_block_t* block, /*!< in: buffer block */ + ibool all, /*!< in: TRUE=remove also the compressed page + if there is one */ + mtr_t* mtr) /*!< in: mini-transaction to commit */ +{ + ulint space = buf_block_get_space(block); + ulint page_no = buf_block_get_page_no(block); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + + mtr_commit(mtr); + + buf_pool_mutex_enter(); + mutex_enter(&block->mutex); + + /* Only free the block if it is still allocated to + the same file page. */ + + if (buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE + && buf_block_get_space(block) == space + && buf_block_get_page_no(block) == page_no) { + + if (buf_LRU_free_block(&block->page, all, NULL) + != BUF_LRU_FREED + && all && block->page.zip.data) { + /* Attempt to deallocate the uncompressed page + if the whole block cannot be deallocted. */ + + buf_LRU_free_block(&block->page, FALSE, NULL); + } + } + + buf_pool_mutex_exit(); + mutex_exit(&block->mutex); +} + +/*******************************************************************//** +Stores the fields in big_rec_vec to the tablespace and puts pointers to +them in rec. The extern flags in rec will have to be set beforehand. +The fields are stored on pages allocated from leaf node +file segment of the index tree. +@return DB_SUCCESS or error */ +UNIV_INTERN +ulint +btr_store_big_rec_extern_fields( +/*============================*/ + dict_index_t* index, /*!< in: index of rec; the index tree + MUST be X-latched */ + buf_block_t* rec_block, /*!< in/out: block containing rec */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index); + the "external storage" flags in offsets + will not correspond to rec when + this function returns */ + big_rec_t* big_rec_vec, /*!< in: vector containing fields + to be stored externally */ + mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr + containing the latch to rec and to the + tree */ +{ + ulint rec_page_no; + byte* field_ref; + ulint extern_len; + ulint store_len; + ulint page_no; + ulint space_id; + ulint zip_size; + ulint prev_page_no; + ulint hint_page_no; + ulint i; + mtr_t mtr; + mem_heap_t* heap = NULL; + page_zip_des_t* page_zip; + z_stream c_stream; + + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(mtr_memo_contains(local_mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains(local_mtr, rec_block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(buf_block_get_frame(rec_block) == page_align(rec)); + ut_a(dict_index_is_clust(index)); + + page_zip = buf_block_get_page_zip(rec_block); + ut_a(dict_table_zip_size(index->table) + == buf_block_get_zip_size(rec_block)); + + space_id = buf_block_get_space(rec_block); + zip_size = buf_block_get_zip_size(rec_block); + rec_page_no = buf_block_get_page_no(rec_block); + ut_a(fil_page_get_type(page_align(rec)) == FIL_PAGE_INDEX); + + if (UNIV_LIKELY_NULL(page_zip)) { + int err; + + /* Zlib deflate needs 128 kilobytes for the default + window size, plus 512 << memLevel, plus a few + kilobytes for small objects. We use reduced memLevel + to limit the memory consumption, and preallocate the + heap, hoping to avoid memory fragmentation. */ + heap = mem_heap_create(250000); + page_zip_set_alloc(&c_stream, heap); + + err = deflateInit2(&c_stream, Z_DEFAULT_COMPRESSION, + Z_DEFLATED, 15, 7, Z_DEFAULT_STRATEGY); + ut_a(err == Z_OK); + } + + /* We have to create a file segment to the tablespace + for each field and put the pointer to the field in rec */ + + for (i = 0; i < big_rec_vec->n_fields; i++) { + ut_ad(rec_offs_nth_extern(offsets, + big_rec_vec->fields[i].field_no)); + { + ulint local_len; + field_ref = rec_get_nth_field( + rec, offsets, big_rec_vec->fields[i].field_no, + &local_len); + ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + field_ref += local_len; + } + extern_len = big_rec_vec->fields[i].len; + + ut_a(extern_len > 0); + + prev_page_no = FIL_NULL; + + if (UNIV_LIKELY_NULL(page_zip)) { + int err = deflateReset(&c_stream); + ut_a(err == Z_OK); + + c_stream.next_in = (void*) big_rec_vec->fields[i].data; + c_stream.avail_in = extern_len; + } + + for (;;) { + buf_block_t* block; + page_t* page; + + mtr_start(&mtr); + + if (prev_page_no == FIL_NULL) { + hint_page_no = 1 + rec_page_no; + } else { + hint_page_no = prev_page_no + 1; + } + + block = btr_page_alloc(index, hint_page_no, + FSP_NO_DIR, 0, &mtr); + if (UNIV_UNLIKELY(block == NULL)) { + + mtr_commit(&mtr); + + if (UNIV_LIKELY_NULL(page_zip)) { + deflateEnd(&c_stream); + mem_heap_free(heap); + } + + return(DB_OUT_OF_FILE_SPACE); + } + + page_no = buf_block_get_page_no(block); + page = buf_block_get_frame(block); + + if (prev_page_no != FIL_NULL) { + buf_block_t* prev_block; + page_t* prev_page; + + prev_block = buf_page_get(space_id, zip_size, + prev_page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(prev_block, + SYNC_EXTERN_STORAGE); + prev_page = buf_block_get_frame(prev_block); + + if (UNIV_LIKELY_NULL(page_zip)) { + mlog_write_ulint( + prev_page + FIL_PAGE_NEXT, + page_no, MLOG_4BYTES, &mtr); + memcpy(buf_block_get_page_zip( + prev_block) + ->data + FIL_PAGE_NEXT, + prev_page + FIL_PAGE_NEXT, 4); + } else { + mlog_write_ulint( + prev_page + FIL_PAGE_DATA + + BTR_BLOB_HDR_NEXT_PAGE_NO, + page_no, MLOG_4BYTES, &mtr); + } + + } + + if (UNIV_LIKELY_NULL(page_zip)) { + int err; + page_zip_des_t* blob_page_zip; + + /* Write FIL_PAGE_TYPE to the redo log + separately, before logging any other + changes to the page, so that the debug + assertions in + recv_parse_or_apply_log_rec_body() can + be made simpler. Before InnoDB Plugin + 1.0.4, the initialization of + FIL_PAGE_TYPE was logged as part of + the mlog_log_string() below. */ + + mlog_write_ulint(page + FIL_PAGE_TYPE, + prev_page_no == FIL_NULL + ? FIL_PAGE_TYPE_ZBLOB + : FIL_PAGE_TYPE_ZBLOB2, + MLOG_2BYTES, &mtr); + + c_stream.next_out = page + + FIL_PAGE_DATA; + c_stream.avail_out + = page_zip_get_size(page_zip) + - FIL_PAGE_DATA; + + err = deflate(&c_stream, Z_FINISH); + ut_a(err == Z_OK || err == Z_STREAM_END); + ut_a(err == Z_STREAM_END + || c_stream.avail_out == 0); + + /* Write the "next BLOB page" pointer */ + mlog_write_ulint(page + FIL_PAGE_NEXT, + FIL_NULL, MLOG_4BYTES, &mtr); + /* Initialize the unused "prev page" pointer */ + mlog_write_ulint(page + FIL_PAGE_PREV, + FIL_NULL, MLOG_4BYTES, &mtr); + /* Write a back pointer to the record + into the otherwise unused area. This + information could be useful in + debugging. Later, we might want to + implement the possibility to relocate + BLOB pages. Then, we would need to be + able to adjust the BLOB pointer in the + record. We do not store the heap + number of the record, because it can + change in page_zip_reorganize() or + btr_page_reorganize(). However, also + the page number of the record may + change when B-tree nodes are split or + merged. */ + mlog_write_ulint(page + + FIL_PAGE_FILE_FLUSH_LSN, + space_id, + MLOG_4BYTES, &mtr); + mlog_write_ulint(page + + FIL_PAGE_FILE_FLUSH_LSN + 4, + rec_page_no, + MLOG_4BYTES, &mtr); + + /* Zero out the unused part of the page. */ + memset(page + page_zip_get_size(page_zip) + - c_stream.avail_out, + 0, c_stream.avail_out); + mlog_log_string(page + FIL_PAGE_FILE_FLUSH_LSN, + page_zip_get_size(page_zip) + - FIL_PAGE_FILE_FLUSH_LSN, + &mtr); + /* Copy the page to compressed storage, + because it will be flushed to disk + from there. */ + blob_page_zip = buf_block_get_page_zip(block); + ut_ad(blob_page_zip); + ut_ad(page_zip_get_size(blob_page_zip) + == page_zip_get_size(page_zip)); + memcpy(blob_page_zip->data, page, + page_zip_get_size(page_zip)); + + if (err == Z_OK && prev_page_no != FIL_NULL) { + + goto next_zip_page; + } + + rec_block = buf_page_get(space_id, zip_size, + rec_page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(rec_block, + SYNC_NO_ORDER_CHECK); + + if (err == Z_STREAM_END) { + mach_write_to_4(field_ref + + BTR_EXTERN_LEN, 0); + mach_write_to_4(field_ref + + BTR_EXTERN_LEN + 4, + c_stream.total_in); + } else { + memset(field_ref + BTR_EXTERN_LEN, + 0, 8); + } + + if (prev_page_no == FIL_NULL) { + mach_write_to_4(field_ref + + BTR_EXTERN_SPACE_ID, + space_id); + + mach_write_to_4(field_ref + + BTR_EXTERN_PAGE_NO, + page_no); + + mach_write_to_4(field_ref + + BTR_EXTERN_OFFSET, + FIL_PAGE_NEXT); + } + + page_zip_write_blob_ptr( + page_zip, rec, index, offsets, + big_rec_vec->fields[i].field_no, &mtr); + +next_zip_page: + prev_page_no = page_no; + + /* Commit mtr and release the + uncompressed page frame to save memory. */ + btr_blob_free(block, FALSE, &mtr); + + if (err == Z_STREAM_END) { + break; + } + } else { + mlog_write_ulint(page + FIL_PAGE_TYPE, + FIL_PAGE_TYPE_BLOB, + MLOG_2BYTES, &mtr); + + if (extern_len > (UNIV_PAGE_SIZE + - FIL_PAGE_DATA + - BTR_BLOB_HDR_SIZE + - FIL_PAGE_DATA_END)) { + store_len = UNIV_PAGE_SIZE + - FIL_PAGE_DATA + - BTR_BLOB_HDR_SIZE + - FIL_PAGE_DATA_END; + } else { + store_len = extern_len; + } + + mlog_write_string(page + FIL_PAGE_DATA + + BTR_BLOB_HDR_SIZE, + (const byte*) + big_rec_vec->fields[i].data + + big_rec_vec->fields[i].len + - extern_len, + store_len, &mtr); + mlog_write_ulint(page + FIL_PAGE_DATA + + BTR_BLOB_HDR_PART_LEN, + store_len, MLOG_4BYTES, &mtr); + mlog_write_ulint(page + FIL_PAGE_DATA + + BTR_BLOB_HDR_NEXT_PAGE_NO, + FIL_NULL, MLOG_4BYTES, &mtr); + + extern_len -= store_len; + + rec_block = buf_page_get(space_id, zip_size, + rec_page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(rec_block, + SYNC_NO_ORDER_CHECK); + + mlog_write_ulint(field_ref + BTR_EXTERN_LEN, 0, + MLOG_4BYTES, &mtr); + mlog_write_ulint(field_ref + + BTR_EXTERN_LEN + 4, + big_rec_vec->fields[i].len + - extern_len, + MLOG_4BYTES, &mtr); + + if (prev_page_no == FIL_NULL) { + mlog_write_ulint(field_ref + + BTR_EXTERN_SPACE_ID, + space_id, + MLOG_4BYTES, &mtr); + + mlog_write_ulint(field_ref + + BTR_EXTERN_PAGE_NO, + page_no, + MLOG_4BYTES, &mtr); + + mlog_write_ulint(field_ref + + BTR_EXTERN_OFFSET, + FIL_PAGE_DATA, + MLOG_4BYTES, &mtr); + } + + prev_page_no = page_no; + + mtr_commit(&mtr); + + if (extern_len == 0) { + break; + } + } + } + } + + if (UNIV_LIKELY_NULL(page_zip)) { + deflateEnd(&c_stream); + mem_heap_free(heap); + } + + return(DB_SUCCESS); +} + +/*******************************************************************//** +Check the FIL_PAGE_TYPE on an uncompressed BLOB page. */ +static +void +btr_check_blob_fil_page_type( +/*=========================*/ + ulint space_id, /*!< in: space id */ + ulint page_no, /*!< in: page number */ + const page_t* page, /*!< in: page */ + ibool read) /*!< in: TRUE=read, FALSE=purge */ +{ + ulint type = fil_page_get_type(page); + + ut_a(space_id == page_get_space_id(page)); + ut_a(page_no == page_get_page_no(page)); + + if (UNIV_UNLIKELY(type != FIL_PAGE_TYPE_BLOB)) { + ulint flags = fil_space_get_flags(space_id); + + if (UNIV_LIKELY + ((flags & DICT_TF_FORMAT_MASK) == DICT_TF_FORMAT_51)) { + /* Old versions of InnoDB did not initialize + FIL_PAGE_TYPE on BLOB pages. Do not print + anything about the type mismatch when reading + a BLOB page that is in Antelope format.*/ + return; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: FIL_PAGE_TYPE=%lu" + " on BLOB %s space %lu page %lu flags %lx\n", + (ulong) type, read ? "read" : "purge", + (ulong) space_id, (ulong) page_no, (ulong) flags); + ut_error; + } +} + +/*******************************************************************//** +Frees the space in an externally stored field to the file space +management if the field in data is owned by the externally stored field, +in a rollback we may have the additional condition that the field must +not be inherited. */ +UNIV_INTERN +void +btr_free_externally_stored_field( +/*=============================*/ + dict_index_t* index, /*!< in: index of the data, the index + tree MUST be X-latched; if the tree + height is 1, then also the root page + must be X-latched! (this is relevant + in the case this function is called + from purge where 'data' is located on + an undo log page, not an index + page) */ + byte* field_ref, /*!< in/out: field reference */ + const rec_t* rec, /*!< in: record containing field_ref, for + page_zip_write_blob_ptr(), or NULL */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index), + or NULL */ + page_zip_des_t* page_zip, /*!< in: compressed page corresponding + to rec, or NULL if rec == NULL */ + ulint i, /*!< in: field number of field_ref; + ignored if rec == NULL */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr + containing the latch to data an an + X-latch to the index tree */ +{ + page_t* page; + ulint space_id; + ulint rec_zip_size = dict_table_zip_size(index->table); + ulint ext_zip_size; + ulint page_no; + ulint next_page_no; + mtr_t mtr; +#ifdef UNIV_DEBUG + ut_ad(mtr_memo_contains(local_mtr, dict_index_get_lock(index), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains_page(local_mtr, field_ref, + MTR_MEMO_PAGE_X_FIX)); + ut_ad(!rec || rec_offs_validate(rec, index, offsets)); + + if (rec) { + ulint local_len; + const byte* f = rec_get_nth_field(rec, offsets, + i, &local_len); + ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + f += local_len; + ut_ad(f == field_ref); + } +#endif /* UNIV_DEBUG */ + + if (UNIV_UNLIKELY(!memcmp(field_ref, field_ref_zero, + BTR_EXTERN_FIELD_REF_SIZE))) { + /* In the rollback of uncommitted transactions, we may + encounter a clustered index record whose BLOBs have + not been written. There is nothing to free then. */ + ut_a(rb_ctx == RB_RECOVERY || rb_ctx == RB_RECOVERY_PURGE_REC); + return; + } + + space_id = mach_read_from_4(field_ref + BTR_EXTERN_SPACE_ID); + + if (UNIV_UNLIKELY(space_id != dict_index_get_space(index))) { + ext_zip_size = fil_space_get_zip_size(space_id); + /* This must be an undo log record in the system tablespace, + that is, in row_purge_upd_exist_or_extern(). + Currently, externally stored records are stored in the + same tablespace as the referring records. */ + ut_ad(!page_get_space_id(page_align(field_ref))); + ut_ad(!rec); + ut_ad(!page_zip); + } else { + ext_zip_size = rec_zip_size; + } + + if (!rec) { + /* This is a call from row_purge_upd_exist_or_extern(). */ + ut_ad(!page_zip); + rec_zip_size = 0; + } + + for (;;) { + buf_block_t* rec_block; + buf_block_t* ext_block; + + mtr_start(&mtr); + + rec_block = buf_page_get(page_get_space_id( + page_align(field_ref)), + rec_zip_size, + page_get_page_no( + page_align(field_ref)), + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(rec_block, SYNC_NO_ORDER_CHECK); + page_no = mach_read_from_4(field_ref + BTR_EXTERN_PAGE_NO); + + if (/* There is no external storage data */ + page_no == FIL_NULL + /* This field does not own the externally stored field */ + || (mach_read_from_1(field_ref + BTR_EXTERN_LEN) + & BTR_EXTERN_OWNER_FLAG) + /* Rollback and inherited field */ + || ((rb_ctx == RB_NORMAL || rb_ctx == RB_RECOVERY) + && (mach_read_from_1(field_ref + BTR_EXTERN_LEN) + & BTR_EXTERN_INHERITED_FLAG))) { + + /* Do not free */ + mtr_commit(&mtr); + + return; + } + + ext_block = buf_page_get(space_id, ext_zip_size, page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(ext_block, SYNC_EXTERN_STORAGE); + page = buf_block_get_frame(ext_block); + + if (ext_zip_size) { + /* Note that page_zip will be NULL + in row_purge_upd_exist_or_extern(). */ + switch (fil_page_get_type(page)) { + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + break; + default: + ut_error; + } + next_page_no = mach_read_from_4(page + FIL_PAGE_NEXT); + + btr_page_free_low(index, ext_block, 0, &mtr); + + if (UNIV_LIKELY(page_zip != NULL)) { + mach_write_to_4(field_ref + BTR_EXTERN_PAGE_NO, + next_page_no); + mach_write_to_4(field_ref + BTR_EXTERN_LEN + 4, + 0); + page_zip_write_blob_ptr(page_zip, rec, index, + offsets, i, &mtr); + } else { + mlog_write_ulint(field_ref + + BTR_EXTERN_PAGE_NO, + next_page_no, + MLOG_4BYTES, &mtr); + mlog_write_ulint(field_ref + + BTR_EXTERN_LEN + 4, 0, + MLOG_4BYTES, &mtr); + } + } else { + ut_a(!page_zip); + btr_check_blob_fil_page_type(space_id, page_no, page, + FALSE); + + next_page_no = mach_read_from_4( + page + FIL_PAGE_DATA + + BTR_BLOB_HDR_NEXT_PAGE_NO); + + /* We must supply the page level (= 0) as an argument + because we did not store it on the page (we save the + space overhead from an index page header. */ + + btr_page_free_low(index, ext_block, 0, &mtr); + + mlog_write_ulint(field_ref + BTR_EXTERN_PAGE_NO, + next_page_no, + MLOG_4BYTES, &mtr); + /* Zero out the BLOB length. If the server + crashes during the execution of this function, + trx_rollback_or_clean_all_recovered() could + dereference the half-deleted BLOB, fetching a + wrong prefix for the BLOB. */ + mlog_write_ulint(field_ref + BTR_EXTERN_LEN + 4, + 0, + MLOG_4BYTES, &mtr); + } + + /* Commit mtr and release the BLOB block to save memory. */ + btr_blob_free(ext_block, TRUE, &mtr); + } +} + +/***********************************************************//** +Frees the externally stored fields for a record. */ +static +void +btr_rec_free_externally_stored_fields( +/*==================================*/ + dict_index_t* index, /*!< in: index of the data, the index + tree MUST be X-latched */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mini-transaction handle which contains + an X-latch to record page and to the index + tree */ +{ + ulint n_fields; + ulint i; + + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX)); + /* Free possible externally stored fields in the record */ + + ut_ad(dict_table_is_comp(index->table) == !!rec_offs_comp(offsets)); + n_fields = rec_offs_n_fields(offsets); + + for (i = 0; i < n_fields; i++) { + if (rec_offs_nth_extern(offsets, i)) { + ulint len; + byte* data + = rec_get_nth_field(rec, offsets, i, &len); + ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); + + btr_free_externally_stored_field( + index, data + len - BTR_EXTERN_FIELD_REF_SIZE, + rec, offsets, page_zip, i, rb_ctx, mtr); + } + } +} + +/***********************************************************//** +Frees the externally stored fields for a record, if the field is mentioned +in the update vector. */ +static +void +btr_rec_free_updated_extern_fields( +/*===============================*/ + dict_index_t* index, /*!< in: index of rec; the index tree MUST be + X-latched */ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr) /*!< in: mini-transaction handle which contains + an X-latch to record page and to the tree */ +{ + ulint n_fields; + ulint i; + + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX)); + + /* Free possible externally stored fields in the record */ + + n_fields = upd_get_n_fields(update); + + for (i = 0; i < n_fields; i++) { + const upd_field_t* ufield = upd_get_nth_field(update, i); + + if (rec_offs_nth_extern(offsets, ufield->field_no)) { + ulint len; + byte* data = rec_get_nth_field( + rec, offsets, ufield->field_no, &len); + ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); + + btr_free_externally_stored_field( + index, data + len - BTR_EXTERN_FIELD_REF_SIZE, + rec, offsets, page_zip, + ufield->field_no, rb_ctx, mtr); + } + } +} + +/*******************************************************************//** +Copies the prefix of an uncompressed BLOB. The clustered index record +that points to this BLOB must be protected by a lock or a page latch. +@return number of bytes written to buf */ +static +ulint +btr_copy_blob_prefix( +/*=================*/ + byte* buf, /*!< out: the externally stored part of + the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint space_id,/*!< in: space id of the BLOB pages */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ +{ + ulint copied_len = 0; + + for (;;) { + mtr_t mtr; + buf_block_t* block; + const page_t* page; + const byte* blob_header; + ulint part_len; + ulint copy_len; + + mtr_start(&mtr); + + block = buf_page_get(space_id, 0, page_no, RW_S_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_EXTERN_STORAGE); + page = buf_block_get_frame(block); + + btr_check_blob_fil_page_type(space_id, page_no, page, TRUE); + + blob_header = page + offset; + part_len = btr_blob_get_part_len(blob_header); + copy_len = ut_min(part_len, len - copied_len); + + memcpy(buf + copied_len, + blob_header + BTR_BLOB_HDR_SIZE, copy_len); + copied_len += copy_len; + + page_no = btr_blob_get_next_page_no(blob_header); + + mtr_commit(&mtr); + + if (page_no == FIL_NULL || copy_len != part_len) { + return(copied_len); + } + + /* On other BLOB pages except the first the BLOB header + always is at the page data start: */ + + offset = FIL_PAGE_DATA; + + ut_ad(copied_len <= len); + } +} + +/*******************************************************************//** +Copies the prefix of a compressed BLOB. The clustered index record +that points to this BLOB must be protected by a lock or a page latch. */ +static +void +btr_copy_zblob_prefix( +/*==================*/ + z_stream* d_stream,/*!< in/out: the decompressing stream */ + ulint zip_size,/*!< in: compressed BLOB page size */ + ulint space_id,/*!< in: space id of the BLOB pages */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ +{ + ulint page_type = FIL_PAGE_TYPE_ZBLOB; + + ut_ad(ut_is_2pow(zip_size)); + ut_ad(zip_size >= PAGE_ZIP_MIN_SIZE); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + ut_ad(space_id); + + for (;;) { + buf_page_t* bpage; + int err; + ulint next_page_no; + + /* There is no latch on bpage directly. Instead, + bpage is protected by the B-tree page latch that + is being held on the clustered index record, or, + in row_merge_copy_blobs(), by an exclusive table lock. */ + bpage = buf_page_get_zip(space_id, zip_size, page_no); + + if (UNIV_UNLIKELY(!bpage)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Cannot load" + " compressed BLOB" + " page %lu space %lu\n", + (ulong) page_no, (ulong) space_id); + return; + } + + if (UNIV_UNLIKELY + (fil_page_get_type(bpage->zip.data) != page_type)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Unexpected type %lu of" + " compressed BLOB" + " page %lu space %lu\n", + (ulong) fil_page_get_type(bpage->zip.data), + (ulong) page_no, (ulong) space_id); + goto end_of_blob; + } + + next_page_no = mach_read_from_4(bpage->zip.data + offset); + + if (UNIV_LIKELY(offset == FIL_PAGE_NEXT)) { + /* When the BLOB begins at page header, + the compressed data payload does not + immediately follow the next page pointer. */ + offset = FIL_PAGE_DATA; + } else { + offset += 4; + } + + d_stream->next_in = bpage->zip.data + offset; + d_stream->avail_in = zip_size - offset; + + err = inflate(d_stream, Z_NO_FLUSH); + switch (err) { + case Z_OK: + if (!d_stream->avail_out) { + goto end_of_blob; + } + break; + case Z_STREAM_END: + if (next_page_no == FIL_NULL) { + goto end_of_blob; + } + /* fall through */ + default: +inflate_error: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: inflate() of" + " compressed BLOB" + " page %lu space %lu returned %d (%s)\n", + (ulong) page_no, (ulong) space_id, + err, d_stream->msg); + case Z_BUF_ERROR: + goto end_of_blob; + } + + if (next_page_no == FIL_NULL) { + if (!d_stream->avail_in) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: unexpected end of" + " compressed BLOB" + " page %lu space %lu\n", + (ulong) page_no, + (ulong) space_id); + } else { + err = inflate(d_stream, Z_FINISH); + switch (err) { + case Z_STREAM_END: + case Z_BUF_ERROR: + break; + default: + goto inflate_error; + } + } + +end_of_blob: + buf_page_release_zip(bpage); + return; + } + + buf_page_release_zip(bpage); + + /* On other BLOB pages except the first + the BLOB header always is at the page header: */ + + page_no = next_page_no; + offset = FIL_PAGE_NEXT; + page_type = FIL_PAGE_TYPE_ZBLOB2; + } +} + +/*******************************************************************//** +Copies the prefix of an externally stored field of a record. The +clustered index record that points to this BLOB must be protected by a +lock or a page latch. +@return number of bytes written to buf */ +static +ulint +btr_copy_externally_stored_field_prefix_low( +/*========================================*/ + byte* buf, /*!< out: the externally stored part of + the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + ulint space_id,/*!< in: space id of the first BLOB page */ + ulint page_no,/*!< in: page number of the first BLOB page */ + ulint offset) /*!< in: offset on the first BLOB page */ +{ + if (UNIV_UNLIKELY(len == 0)) { + return(0); + } + + if (UNIV_UNLIKELY(zip_size)) { + int err; + z_stream d_stream; + mem_heap_t* heap; + + /* Zlib inflate needs 32 kilobytes for the default + window size, plus a few kilobytes for small objects. */ + heap = mem_heap_create(40000); + page_zip_set_alloc(&d_stream, heap); + + err = inflateInit(&d_stream); + ut_a(err == Z_OK); + + d_stream.next_out = buf; + d_stream.avail_out = len; + d_stream.avail_in = 0; + + btr_copy_zblob_prefix(&d_stream, zip_size, + space_id, page_no, offset); + inflateEnd(&d_stream); + mem_heap_free(heap); + return(d_stream.total_out); + } else { + return(btr_copy_blob_prefix(buf, len, space_id, + page_no, offset)); + } +} + +/*******************************************************************//** +Copies the prefix of an externally stored field of a record. The +clustered index record must be protected by a lock or a page latch. +@return the length of the copied field, or 0 if the column was being +or has been deleted */ +UNIV_INTERN +ulint +btr_copy_externally_stored_field_prefix( +/*====================================*/ + byte* buf, /*!< out: the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + const byte* data, /*!< in: 'internally' stored part of the + field containing also the reference to + the external part; must be protected by + a lock or a page latch */ + ulint local_len)/*!< in: length of data, in bytes */ +{ + ulint space_id; + ulint page_no; + ulint offset; + + ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + if (UNIV_UNLIKELY(local_len >= len)) { + memcpy(buf, data, len); + return(len); + } + + memcpy(buf, data, local_len); + data += local_len; + + ut_a(memcmp(data, field_ref_zero, BTR_EXTERN_FIELD_REF_SIZE)); + + if (!mach_read_from_4(data + BTR_EXTERN_LEN + 4)) { + /* The externally stored part of the column has been + (partially) deleted. Signal the half-deleted BLOB + to the caller. */ + + return(0); + } + + space_id = mach_read_from_4(data + BTR_EXTERN_SPACE_ID); + + page_no = mach_read_from_4(data + BTR_EXTERN_PAGE_NO); + + offset = mach_read_from_4(data + BTR_EXTERN_OFFSET); + + return(local_len + + btr_copy_externally_stored_field_prefix_low(buf + local_len, + len - local_len, + zip_size, + space_id, page_no, + offset)); +} + +/*******************************************************************//** +Copies an externally stored field of a record to mem heap. The +clustered index record must be protected by a lock or a page latch. +@return the whole field copied to heap */ +static +byte* +btr_copy_externally_stored_field( +/*=============================*/ + ulint* len, /*!< out: length of the whole field */ + const byte* data, /*!< in: 'internally' stored part of the + field containing also the reference to + the external part; must be protected by + a lock or a page latch */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + ulint local_len,/*!< in: length of data */ + mem_heap_t* heap) /*!< in: mem heap */ +{ + ulint space_id; + ulint page_no; + ulint offset; + ulint extern_len; + byte* buf; + + ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + space_id = mach_read_from_4(data + local_len + BTR_EXTERN_SPACE_ID); + + page_no = mach_read_from_4(data + local_len + BTR_EXTERN_PAGE_NO); + + offset = mach_read_from_4(data + local_len + BTR_EXTERN_OFFSET); + + /* Currently a BLOB cannot be bigger than 4 GB; we + leave the 4 upper bytes in the length field unused */ + + extern_len = mach_read_from_4(data + local_len + BTR_EXTERN_LEN + 4); + + buf = mem_heap_alloc(heap, local_len + extern_len); + + memcpy(buf, data, local_len); + *len = local_len + + btr_copy_externally_stored_field_prefix_low(buf + local_len, + extern_len, + zip_size, + space_id, + page_no, offset); + + return(buf); +} + +/*******************************************************************//** +Copies an externally stored field of a record to mem heap. +@return the field copied to heap */ +UNIV_INTERN +byte* +btr_rec_copy_externally_stored_field( +/*=================================*/ + const rec_t* rec, /*!< in: record in a clustered index; + must be protected by a lock or a page latch */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + ulint no, /*!< in: field number */ + ulint* len, /*!< out: length of the field */ + mem_heap_t* heap) /*!< in: mem heap */ +{ + ulint local_len; + const byte* data; + + ut_a(rec_offs_nth_extern(offsets, no)); + + /* An externally stored field can contain some initial + data from the field, and in the last 20 bytes it has the + space id, page number, and offset where the rest of the + field data is stored, and the data length in addition to + the data stored locally. We may need to store some data + locally to get the local record length above the 128 byte + limit so that field offsets are stored in two bytes, and + the extern bit is available in those two bytes. */ + + data = rec_get_nth_field(rec, offsets, no, &local_len); + + return(btr_copy_externally_stored_field(len, data, + zip_size, local_len, heap)); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/btr/btr0pcur.c b/perfschema/btr/btr0pcur.c new file mode 100644 index 00000000000..658901208ef --- /dev/null +++ b/perfschema/btr/btr0pcur.c @@ -0,0 +1,591 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file btr/btr0pcur.c +The index tree persistent cursor + +Created 2/23/1996 Heikki Tuuri +*******************************************************/ + +#include "btr0pcur.h" + +#ifdef UNIV_NONINL +#include "btr0pcur.ic" +#endif + +#include "ut0byte.h" +#include "rem0cmp.h" +#include "trx0trx.h" + +/**************************************************************//** +Allocates memory for a persistent cursor object and initializes the cursor. +@return own: persistent cursor */ +UNIV_INTERN +btr_pcur_t* +btr_pcur_create_for_mysql(void) +/*============================*/ +{ + btr_pcur_t* pcur; + + pcur = mem_alloc(sizeof(btr_pcur_t)); + + pcur->btr_cur.index = NULL; + btr_pcur_init(pcur); + + return(pcur); +} + +/**************************************************************//** +Frees the memory for a persistent cursor object. */ +UNIV_INTERN +void +btr_pcur_free_for_mysql( +/*====================*/ + btr_pcur_t* cursor) /*!< in, own: persistent cursor */ +{ + if (cursor->old_rec_buf != NULL) { + + mem_free(cursor->old_rec_buf); + + cursor->old_rec_buf = NULL; + } + + cursor->btr_cur.page_cur.rec = NULL; + cursor->old_rec = NULL; + cursor->old_n_fields = 0; + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + cursor->latch_mode = BTR_NO_LATCHES; + cursor->pos_state = BTR_PCUR_NOT_POSITIONED; + + mem_free(cursor); +} + +/**************************************************************//** +The position of the cursor is stored by taking an initial segment of the +record the cursor is positioned on, before, or after, and copying it to the +cursor data structure, or just setting a flag if the cursor id before the +first in an EMPTY tree, or after the last in an EMPTY tree. NOTE that the +page where the cursor is positioned must not be empty if the index tree is +not totally empty! */ +UNIV_INTERN +void +btr_pcur_store_position( +/*====================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t* page_cursor; + buf_block_t* block; + rec_t* rec; + dict_index_t* index; + page_t* page; + ulint offs; + + ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + block = btr_pcur_get_block(cursor); + index = btr_cur_get_index(btr_pcur_get_btr_cur(cursor)); + + page_cursor = btr_pcur_get_page_cur(cursor); + + rec = page_cur_get_rec(page_cursor); + page = page_align(rec); + offs = page_offset(rec); + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_a(cursor->latch_mode != BTR_NO_LATCHES); + + if (UNIV_UNLIKELY(page_get_n_recs(page) == 0)) { + /* It must be an empty index tree; NOTE that in this case + we do not store the modify_clock, but always do a search + if we restore the cursor position */ + + ut_a(btr_page_get_next(page, mtr) == FIL_NULL); + ut_a(btr_page_get_prev(page, mtr) == FIL_NULL); + + cursor->old_stored = BTR_PCUR_OLD_STORED; + + if (page_rec_is_supremum_low(offs)) { + + cursor->rel_pos = BTR_PCUR_AFTER_LAST_IN_TREE; + } else { + cursor->rel_pos = BTR_PCUR_BEFORE_FIRST_IN_TREE; + } + + return; + } + + if (page_rec_is_supremum_low(offs)) { + + rec = page_rec_get_prev(rec); + + cursor->rel_pos = BTR_PCUR_AFTER; + + } else if (page_rec_is_infimum_low(offs)) { + + rec = page_rec_get_next(rec); + + cursor->rel_pos = BTR_PCUR_BEFORE; + } else { + cursor->rel_pos = BTR_PCUR_ON; + } + + cursor->old_stored = BTR_PCUR_OLD_STORED; + cursor->old_rec = dict_index_copy_rec_order_prefix( + index, rec, &cursor->old_n_fields, + &cursor->old_rec_buf, &cursor->buf_size); + + cursor->block_when_stored = block; + cursor->modify_clock = buf_block_get_modify_clock(block); +} + +/**************************************************************//** +Copies the stored position of a pcur to another pcur. */ +UNIV_INTERN +void +btr_pcur_copy_stored_position( +/*==========================*/ + btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the + position info */ + btr_pcur_t* pcur_donate) /*!< in: pcur from which the info is + copied */ +{ + if (pcur_receive->old_rec_buf) { + mem_free(pcur_receive->old_rec_buf); + } + + ut_memcpy(pcur_receive, pcur_donate, sizeof(btr_pcur_t)); + + if (pcur_donate->old_rec_buf) { + + pcur_receive->old_rec_buf = mem_alloc(pcur_donate->buf_size); + + ut_memcpy(pcur_receive->old_rec_buf, pcur_donate->old_rec_buf, + pcur_donate->buf_size); + pcur_receive->old_rec = pcur_receive->old_rec_buf + + (pcur_donate->old_rec - pcur_donate->old_rec_buf); + } + + pcur_receive->old_n_fields = pcur_donate->old_n_fields; +} + +/**************************************************************//** +Restores the stored position of a persistent cursor bufferfixing the page and +obtaining the specified latches. If the cursor position was saved when the +(1) cursor was positioned on a user record: this function restores the position +to the last record LESS OR EQUAL to the stored record; +(2) cursor was positioned on a page infimum record: restores the position to +the last record LESS than the user record which was the successor of the page +infimum; +(3) cursor was positioned on the page supremum: restores to the first record +GREATER than the user record which was the predecessor of the supremum. +(4) cursor was positioned before the first or after the last in an empty tree: +restores to before first or after the last in the tree. +@return TRUE if the cursor position was stored when it was on a user +record and it can be restored on a user record whose ordering fields +are identical to the ones of the original user record */ +UNIV_INTERN +ibool +btr_pcur_restore_position_func( +/*===========================*/ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + dtuple_t* tuple; + ulint mode; + ulint old_mode; + mem_heap_t* heap; + + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + + index = btr_cur_get_index(btr_pcur_get_btr_cur(cursor)); + + if (UNIV_UNLIKELY(cursor->old_stored != BTR_PCUR_OLD_STORED) + || UNIV_UNLIKELY(cursor->pos_state != BTR_PCUR_WAS_POSITIONED + && cursor->pos_state != BTR_PCUR_IS_POSITIONED)) { + ut_print_buf(stderr, cursor, sizeof(btr_pcur_t)); + putc('\n', stderr); + if (cursor->trx_if_known) { + trx_print(stderr, cursor->trx_if_known, 0); + } + + ut_error; + } + + if (UNIV_UNLIKELY + (cursor->rel_pos == BTR_PCUR_AFTER_LAST_IN_TREE + || cursor->rel_pos == BTR_PCUR_BEFORE_FIRST_IN_TREE)) { + + /* In these cases we do not try an optimistic restoration, + but always do a search */ + + btr_cur_open_at_index_side( + cursor->rel_pos == BTR_PCUR_BEFORE_FIRST_IN_TREE, + index, latch_mode, btr_pcur_get_btr_cur(cursor), mtr); + + cursor->block_when_stored = btr_pcur_get_block(cursor); + + return(FALSE); + } + + ut_a(cursor->old_rec); + ut_a(cursor->old_n_fields); + + if (UNIV_LIKELY(latch_mode == BTR_SEARCH_LEAF) + || UNIV_LIKELY(latch_mode == BTR_MODIFY_LEAF)) { + /* Try optimistic restoration */ + + if (UNIV_LIKELY(buf_page_optimistic_get( + latch_mode, + cursor->block_when_stored, + cursor->modify_clock, + file, line, mtr))) { + cursor->pos_state = BTR_PCUR_IS_POSITIONED; + + buf_block_dbg_add_level(btr_pcur_get_block(cursor), + SYNC_TREE_NODE); + + if (cursor->rel_pos == BTR_PCUR_ON) { +#ifdef UNIV_DEBUG + const rec_t* rec; + const ulint* offsets1; + const ulint* offsets2; +#endif /* UNIV_DEBUG */ + cursor->latch_mode = latch_mode; +#ifdef UNIV_DEBUG + rec = btr_pcur_get_rec(cursor); + + heap = mem_heap_create(256); + offsets1 = rec_get_offsets( + cursor->old_rec, index, NULL, + cursor->old_n_fields, &heap); + offsets2 = rec_get_offsets( + rec, index, NULL, + cursor->old_n_fields, &heap); + + ut_ad(!cmp_rec_rec(cursor->old_rec, + rec, offsets1, offsets2, + index)); + mem_heap_free(heap); +#endif /* UNIV_DEBUG */ + return(TRUE); + } + + return(FALSE); + } + } + + /* If optimistic restoration did not succeed, open the cursor anew */ + + heap = mem_heap_create(256); + + tuple = dict_index_build_data_tuple(index, cursor->old_rec, + cursor->old_n_fields, heap); + + /* Save the old search mode of the cursor */ + old_mode = cursor->search_mode; + + if (UNIV_LIKELY(cursor->rel_pos == BTR_PCUR_ON)) { + mode = PAGE_CUR_LE; + } else if (cursor->rel_pos == BTR_PCUR_AFTER) { + mode = PAGE_CUR_G; + } else { + ut_ad(cursor->rel_pos == BTR_PCUR_BEFORE); + mode = PAGE_CUR_L; + } + + btr_pcur_open_with_no_init_func(index, tuple, mode, latch_mode, + cursor, 0, file, line, mtr); + + /* Restore the old search mode */ + cursor->search_mode = old_mode; + + if (cursor->rel_pos == BTR_PCUR_ON + && btr_pcur_is_on_user_rec(cursor) + && 0 == cmp_dtuple_rec(tuple, btr_pcur_get_rec(cursor), + rec_get_offsets( + btr_pcur_get_rec(cursor), index, + NULL, ULINT_UNDEFINED, &heap))) { + + /* We have to store the NEW value for the modify clock, since + the cursor can now be on a different page! But we can retain + the value of old_rec */ + + cursor->block_when_stored = btr_pcur_get_block(cursor); + cursor->modify_clock = buf_block_get_modify_clock( + cursor->block_when_stored); + cursor->old_stored = BTR_PCUR_OLD_STORED; + + mem_heap_free(heap); + + return(TRUE); + } + + mem_heap_free(heap); + + /* We have to store new position information, modify_clock etc., + to the cursor because it can now be on a different page, the record + under it may have been removed, etc. */ + + btr_pcur_store_position(cursor, mtr); + + return(FALSE); +} + +/**************************************************************//** +If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, +releases the page latch and bufferfix reserved by the cursor. +NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes +made by the current mini-transaction to the data protected by the +cursor latch, as then the latch must not be released until mtr_commit. */ +UNIV_INTERN +void +btr_pcur_release_leaf( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + + ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + block = btr_pcur_get_block(cursor); + + btr_leaf_page_release(block, cursor->latch_mode, mtr); + + cursor->latch_mode = BTR_NO_LATCHES; + + cursor->pos_state = BTR_PCUR_WAS_POSITIONED; +} + +/*********************************************************//** +Moves the persistent cursor to the first record on the next page. Releases the +latch on the current page, and bufferunfixes it. Note that there must not be +modifications on the current page, as then the x-latch can be released only in +mtr_commit. */ +UNIV_INTERN +void +btr_pcur_move_to_next_page( +/*=======================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the + last record of the current page */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint next_page_no; + ulint space; + ulint zip_size; + page_t* page; + buf_block_t* next_block; + page_t* next_page; + + ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + ut_ad(btr_pcur_is_after_last_on_page(cursor)); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + page = btr_pcur_get_page(cursor); + next_page_no = btr_page_get_next(page, mtr); + space = buf_block_get_space(btr_pcur_get_block(cursor)); + zip_size = buf_block_get_zip_size(btr_pcur_get_block(cursor)); + + ut_ad(next_page_no != FIL_NULL); + + next_block = btr_block_get(space, zip_size, next_page_no, + cursor->latch_mode, mtr); + next_page = buf_block_get_frame(next_block); +#ifdef UNIV_BTR_DEBUG + ut_a(page_is_comp(next_page) == page_is_comp(page)); + ut_a(btr_page_get_prev(next_page, mtr) + == buf_block_get_page_no(btr_pcur_get_block(cursor))); +#endif /* UNIV_BTR_DEBUG */ + next_block->check_index_page_at_flush = TRUE; + + btr_leaf_page_release(btr_pcur_get_block(cursor), + cursor->latch_mode, mtr); + + page_cur_set_before_first(next_block, btr_pcur_get_page_cur(cursor)); + + page_check_dir(next_page); +} + +/*********************************************************//** +Moves the persistent cursor backward if it is on the first record of the page. +Commits mtr. Note that to prevent a possible deadlock, the operation +first stores the position of the cursor, commits mtr, acquires the necessary +latches and restores the cursor position again before returning. The +alphabetical position of the cursor is guaranteed to be sensible on +return, but it may happen that the cursor is not positioned on the last +record of any page, because the structure of the tree may have changed +during the time when the cursor had no latches. */ +UNIV_INTERN +void +btr_pcur_move_backward_from_page( +/*=============================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the first + record of the current page */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint prev_page_no; + ulint space; + page_t* page; + buf_block_t* prev_block; + ulint latch_mode; + ulint latch_mode2; + + ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + ut_ad(btr_pcur_is_before_first_on_page(cursor)); + ut_ad(!btr_pcur_is_before_first_in_tree(cursor, mtr)); + + latch_mode = cursor->latch_mode; + + if (latch_mode == BTR_SEARCH_LEAF) { + + latch_mode2 = BTR_SEARCH_PREV; + + } else if (latch_mode == BTR_MODIFY_LEAF) { + + latch_mode2 = BTR_MODIFY_PREV; + } else { + latch_mode2 = 0; /* To eliminate compiler warning */ + ut_error; + } + + btr_pcur_store_position(cursor, mtr); + + mtr_commit(mtr); + + mtr_start(mtr); + + btr_pcur_restore_position(latch_mode2, cursor, mtr); + + page = btr_pcur_get_page(cursor); + + prev_page_no = btr_page_get_prev(page, mtr); + space = buf_block_get_space(btr_pcur_get_block(cursor)); + + if (prev_page_no == FIL_NULL) { + } else if (btr_pcur_is_before_first_on_page(cursor)) { + + prev_block = btr_pcur_get_btr_cur(cursor)->left_block; + + btr_leaf_page_release(btr_pcur_get_block(cursor), + latch_mode, mtr); + + page_cur_set_after_last(prev_block, + btr_pcur_get_page_cur(cursor)); + } else { + + /* The repositioned cursor did not end on an infimum record on + a page. Cursor repositioning acquired a latch also on the + previous page, but we do not need the latch: release it. */ + + prev_block = btr_pcur_get_btr_cur(cursor)->left_block; + + btr_leaf_page_release(prev_block, latch_mode, mtr); + } + + cursor->latch_mode = latch_mode; + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; +} + +/*********************************************************//** +Moves the persistent cursor to the previous record in the tree. If no records +are left, the cursor stays 'before first in tree'. +@return TRUE if the cursor was not before first in tree */ +UNIV_INTERN +ibool +btr_pcur_move_to_prev( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + if (btr_pcur_is_before_first_on_page(cursor)) { + + if (btr_pcur_is_before_first_in_tree(cursor, mtr)) { + + return(FALSE); + } + + btr_pcur_move_backward_from_page(cursor, mtr); + + return(TRUE); + } + + btr_pcur_move_to_prev_on_page(cursor); + + return(TRUE); +} + +/**************************************************************//** +If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first +user record satisfying the search condition, in the case PAGE_CUR_L or +PAGE_CUR_LE, on the last user record. If no such user record exists, then +in the first case sets the cursor after last in tree, and in the latter case +before first in tree. The latching mode must be BTR_SEARCH_LEAF or +BTR_MODIFY_LEAF. */ +UNIV_INTERN +void +btr_pcur_open_on_user_rec_func( +/*===========================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or + BTR_MODIFY_LEAF */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent + cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + btr_pcur_open_func(index, tuple, mode, latch_mode, cursor, + file, line, mtr); + + if ((mode == PAGE_CUR_GE) || (mode == PAGE_CUR_G)) { + + if (btr_pcur_is_after_last_on_page(cursor)) { + + btr_pcur_move_to_next_user_rec(cursor, mtr); + } + } else { + ut_ad((mode == PAGE_CUR_LE) || (mode == PAGE_CUR_L)); + + /* Not implemented yet */ + + ut_error; + } +} diff --git a/perfschema/btr/btr0sea.c b/perfschema/btr/btr0sea.c new file mode 100644 index 00000000000..ef7afeb1039 --- /dev/null +++ b/perfschema/btr/btr0sea.c @@ -0,0 +1,1889 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file btr/btr0sea.c +The index tree adaptive search + +Created 2/17/1996 Heikki Tuuri +*************************************************************************/ + +#include "btr0sea.h" +#ifdef UNIV_NONINL +#include "btr0sea.ic" +#endif + +#include "buf0buf.h" +#include "page0page.h" +#include "page0cur.h" +#include "btr0cur.h" +#include "btr0pcur.h" +#include "btr0btr.h" +#include "ha0ha.h" + +/** Flag: has the search system been enabled? +Protected by btr_search_latch and btr_search_enabled_mutex. */ +UNIV_INTERN char btr_search_enabled = TRUE; + +/** Mutex protecting btr_search_enabled */ +static mutex_t btr_search_enabled_mutex; + +/** A dummy variable to fool the compiler */ +UNIV_INTERN ulint btr_search_this_is_zero = 0; + +#ifdef UNIV_SEARCH_PERF_STAT +/** Number of successful adaptive hash index lookups */ +UNIV_INTERN ulint btr_search_n_succ = 0; +/** Number of failed adaptive hash index lookups */ +UNIV_INTERN ulint btr_search_n_hash_fail = 0; +#endif /* UNIV_SEARCH_PERF_STAT */ + +/** padding to prevent other memory update +hotspots from residing on the same memory +cache line as btr_search_latch */ +UNIV_INTERN byte btr_sea_pad1[64]; + +/** The latch protecting the adaptive search system: this latch protects the +(1) positions of records on those pages where a hash index has been built. +NOTE: It does not protect values of non-ordering fields within a record from +being updated in-place! We can use fact (1) to perform unique searches to +indexes. */ + +/* We will allocate the latch from dynamic memory to get it to the +same DRAM page as other hotspot semaphores */ +UNIV_INTERN rw_lock_t* btr_search_latch_temp; + +/** padding to prevent other memory update hotspots from residing on +the same memory cache line */ +UNIV_INTERN byte btr_sea_pad2[64]; + +/** The adaptive hash index */ +UNIV_INTERN btr_search_sys_t* btr_search_sys; + +/** If the number of records on the page divided by this parameter +would have been successfully accessed using a hash index, the index +is then built on the page, assuming the global limit has been reached */ +#define BTR_SEARCH_PAGE_BUILD_LIMIT 16 + +/** The global limit for consecutive potentially successful hash searches, +before hash index building is started */ +#define BTR_SEARCH_BUILD_LIMIT 100 + +/********************************************************************//** +Builds a hash index on a page with the given parameters. If the page already +has a hash index with different parameters, the old hash index is removed. +If index is non-NULL, this function checks if n_fields and n_bytes are +sensible values, and does not build a hash index if not. */ +static +void +btr_search_build_page_hash_index( +/*=============================*/ + dict_index_t* index, /*!< in: index for which to build, or NULL if + not known */ + buf_block_t* block, /*!< in: index page, s- or x-latched */ + ulint n_fields,/*!< in: hash this many full fields */ + ulint n_bytes,/*!< in: hash this many bytes from the next + field */ + ibool left_side);/*!< in: hash for searches from left side? */ + +/*****************************************************************//** +This function should be called before reserving any btr search mutex, if +the intended operation might add nodes to the search system hash table. +Because of the latching order, once we have reserved the btr search system +latch, we cannot allocate a free frame from the buffer pool. Checks that +there is a free buffer frame allocated for hash table heap in the btr search +system. If not, allocates a free frames for the heap. This check makes it +probable that, when have reserved the btr search system latch and we need to +allocate a new node to the hash table, it will succeed. However, the check +will not guarantee success. */ +static +void +btr_search_check_free_space_in_heap(void) +/*=====================================*/ +{ + hash_table_t* table; + mem_heap_t* heap; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + table = btr_search_sys->hash_index; + + heap = table->heap; + + /* Note that we peek the value of heap->free_block without reserving + the latch: this is ok, because we will not guarantee that there will + be enough free space in the hash table. */ + + if (heap->free_block == NULL) { + buf_block_t* block = buf_block_alloc(0); + + rw_lock_x_lock(&btr_search_latch); + + if (heap->free_block == NULL) { + heap->free_block = block; + } else { + buf_block_free(block); + } + + rw_lock_x_unlock(&btr_search_latch); + } +} + +/*****************************************************************//** +Creates and initializes the adaptive search system at a database start. */ +UNIV_INTERN +void +btr_search_sys_create( +/*==================*/ + ulint hash_size) /*!< in: hash index hash table size */ +{ + /* We allocate the search latch from dynamic memory: + see above at the global variable definition */ + + btr_search_latch_temp = mem_alloc(sizeof(rw_lock_t)); + + rw_lock_create(&btr_search_latch, SYNC_SEARCH_SYS); + mutex_create(&btr_search_enabled_mutex, SYNC_SEARCH_SYS_CONF); + + btr_search_sys = mem_alloc(sizeof(btr_search_sys_t)); + + btr_search_sys->hash_index = ha_create(hash_size, 0, 0); +} + +/*****************************************************************//** +Frees the adaptive search system at a database shutdown. */ +UNIV_INTERN +void +btr_search_sys_free(void) +/*=====================*/ +{ + mem_free(btr_search_latch_temp); + btr_search_latch_temp = NULL; + mem_heap_free(btr_search_sys->hash_index->heap); + hash_table_free(btr_search_sys->hash_index); + mem_free(btr_search_sys); + btr_search_sys = NULL; +} + +/********************************************************************//** +Disable the adaptive hash search system and empty the index. */ +UNIV_INTERN +void +btr_search_disable(void) +/*====================*/ +{ + mutex_enter(&btr_search_enabled_mutex); + rw_lock_x_lock(&btr_search_latch); + + btr_search_enabled = FALSE; + + /* Clear all block->is_hashed flags and remove all entries + from btr_search_sys->hash_index. */ + buf_pool_drop_hash_index(); + + /* btr_search_enabled_mutex should guarantee this. */ + ut_ad(!btr_search_enabled); + + rw_lock_x_unlock(&btr_search_latch); + mutex_exit(&btr_search_enabled_mutex); +} + +/********************************************************************//** +Enable the adaptive hash search system. */ +UNIV_INTERN +void +btr_search_enable(void) +/*====================*/ +{ + mutex_enter(&btr_search_enabled_mutex); + rw_lock_x_lock(&btr_search_latch); + + btr_search_enabled = TRUE; + + rw_lock_x_unlock(&btr_search_latch); + mutex_exit(&btr_search_enabled_mutex); +} + +/*****************************************************************//** +Creates and initializes a search info struct. +@return own: search info struct */ +UNIV_INTERN +btr_search_t* +btr_search_info_create( +/*===================*/ + mem_heap_t* heap) /*!< in: heap where created */ +{ + btr_search_t* info; + + info = mem_heap_alloc(heap, sizeof(btr_search_t)); + +#ifdef UNIV_DEBUG + info->magic_n = BTR_SEARCH_MAGIC_N; +#endif /* UNIV_DEBUG */ + + info->ref_count = 0; + info->root_guess = NULL; + + info->hash_analysis = 0; + info->n_hash_potential = 0; + + info->last_hash_succ = FALSE; + +#ifdef UNIV_SEARCH_PERF_STAT + info->n_hash_succ = 0; + info->n_hash_fail = 0; + info->n_patt_succ = 0; + info->n_searches = 0; +#endif /* UNIV_SEARCH_PERF_STAT */ + + /* Set some sensible values */ + info->n_fields = 1; + info->n_bytes = 0; + + info->left_side = TRUE; + + return(info); +} + +/*****************************************************************//** +Returns the value of ref_count. The value is protected by +btr_search_latch. +@return ref_count value. */ +UNIV_INTERN +ulint +btr_search_info_get_ref_count( +/*==========================*/ + btr_search_t* info) /*!< in: search info. */ +{ + ulint ret; + + ut_ad(info); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + rw_lock_s_lock(&btr_search_latch); + ret = info->ref_count; + rw_lock_s_unlock(&btr_search_latch); + + return(ret); +} + +/*********************************************************************//** +Updates the search info of an index about hash successes. NOTE that info +is NOT protected by any semaphore, to save CPU time! Do not assume its fields +are consistent. */ +static +void +btr_search_info_update_hash( +/*========================*/ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ +{ + dict_index_t* index; + ulint n_unique; + int cmp; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + index = cursor->index; + + if (dict_index_is_ibuf(index)) { + /* So many deletes are performed on an insert buffer tree + that we do not consider a hash index useful on it: */ + + return; + } + + n_unique = dict_index_get_n_unique_in_tree(index); + + if (info->n_hash_potential == 0) { + + goto set_new_recomm; + } + + /* Test if the search would have succeeded using the recommended + hash prefix */ + + if (info->n_fields >= n_unique && cursor->up_match >= n_unique) { +increment_potential: + info->n_hash_potential++; + + return; + } + + cmp = ut_pair_cmp(info->n_fields, info->n_bytes, + cursor->low_match, cursor->low_bytes); + + if (info->left_side ? cmp <= 0 : cmp > 0) { + + goto set_new_recomm; + } + + cmp = ut_pair_cmp(info->n_fields, info->n_bytes, + cursor->up_match, cursor->up_bytes); + + if (info->left_side ? cmp <= 0 : cmp > 0) { + + goto increment_potential; + } + +set_new_recomm: + /* We have to set a new recommendation; skip the hash analysis + for a while to avoid unnecessary CPU time usage when there is no + chance for success */ + + info->hash_analysis = 0; + + cmp = ut_pair_cmp(cursor->up_match, cursor->up_bytes, + cursor->low_match, cursor->low_bytes); + if (cmp == 0) { + info->n_hash_potential = 0; + + /* For extra safety, we set some sensible values here */ + + info->n_fields = 1; + info->n_bytes = 0; + + info->left_side = TRUE; + + } else if (cmp > 0) { + info->n_hash_potential = 1; + + if (cursor->up_match >= n_unique) { + + info->n_fields = n_unique; + info->n_bytes = 0; + + } else if (cursor->low_match < cursor->up_match) { + + info->n_fields = cursor->low_match + 1; + info->n_bytes = 0; + } else { + info->n_fields = cursor->low_match; + info->n_bytes = cursor->low_bytes + 1; + } + + info->left_side = TRUE; + } else { + info->n_hash_potential = 1; + + if (cursor->low_match >= n_unique) { + + info->n_fields = n_unique; + info->n_bytes = 0; + + } else if (cursor->low_match > cursor->up_match) { + + info->n_fields = cursor->up_match + 1; + info->n_bytes = 0; + } else { + info->n_fields = cursor->up_match; + info->n_bytes = cursor->up_bytes + 1; + } + + info->left_side = FALSE; + } +} + +/*********************************************************************//** +Updates the block search info on hash successes. NOTE that info and +block->n_hash_helps, n_fields, n_bytes, side are NOT protected by any +semaphore, to save CPU time! Do not assume the fields are consistent. +@return TRUE if building a (new) hash index on the block is recommended */ +static +ibool +btr_search_update_block_hash_info( +/*==============================*/ + btr_search_t* info, /*!< in: search info */ + buf_block_t* block, /*!< in: buffer block */ + btr_cur_t* cursor __attribute__((unused))) + /*!< in: cursor */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); + ut_ad(rw_lock_own(&block->lock, RW_LOCK_SHARED) + || rw_lock_own(&block->lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(cursor); + + info->last_hash_succ = FALSE; + + ut_a(buf_block_state_valid(block)); + ut_ad(info->magic_n == BTR_SEARCH_MAGIC_N); + + if ((block->n_hash_helps > 0) + && (info->n_hash_potential > 0) + && (block->n_fields == info->n_fields) + && (block->n_bytes == info->n_bytes) + && (block->left_side == info->left_side)) { + + if ((block->is_hashed) + && (block->curr_n_fields == info->n_fields) + && (block->curr_n_bytes == info->n_bytes) + && (block->curr_left_side == info->left_side)) { + + /* The search would presumably have succeeded using + the hash index */ + + info->last_hash_succ = TRUE; + } + + block->n_hash_helps++; + } else { + block->n_hash_helps = 1; + block->n_fields = info->n_fields; + block->n_bytes = info->n_bytes; + block->left_side = info->left_side; + } + +#ifdef UNIV_DEBUG + if (cursor->index->table->does_not_fit_in_memory) { + block->n_hash_helps = 0; + } +#endif /* UNIV_DEBUG */ + + if ((block->n_hash_helps > page_get_n_recs(block->frame) + / BTR_SEARCH_PAGE_BUILD_LIMIT) + && (info->n_hash_potential >= BTR_SEARCH_BUILD_LIMIT)) { + + if ((!block->is_hashed) + || (block->n_hash_helps + > 2 * page_get_n_recs(block->frame)) + || (block->n_fields != block->curr_n_fields) + || (block->n_bytes != block->curr_n_bytes) + || (block->left_side != block->curr_left_side)) { + + /* Build a new hash index on the page */ + + return(TRUE); + } + } + + return(FALSE); +} + +/*********************************************************************//** +Updates a hash node reference when it has been unsuccessfully used in a +search which could have succeeded with the used hash parameters. This can +happen because when building a hash index for a page, we do not check +what happens at page boundaries, and therefore there can be misleading +hash nodes. Also, collisions in the fold value can lead to misleading +references. This function lazily fixes these imperfections in the hash +index. */ +static +void +btr_search_update_hash_ref( +/*=======================*/ + btr_search_t* info, /*!< in: search info */ + buf_block_t* block, /*!< in: buffer block where cursor positioned */ + btr_cur_t* cursor) /*!< in: cursor */ +{ + ulint fold; + rec_t* rec; + dulint index_id; + + ut_ad(cursor->flag == BTR_CUR_HASH_FAIL); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) + || rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(page_align(btr_cur_get_rec(cursor)) + == buf_block_get_frame(block)); + + if (!block->is_hashed) { + + return; + } + + ut_a(block->index == cursor->index); + ut_a(!dict_index_is_ibuf(cursor->index)); + + if ((info->n_hash_potential > 0) + && (block->curr_n_fields == info->n_fields) + && (block->curr_n_bytes == info->n_bytes) + && (block->curr_left_side == info->left_side)) { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + rec = btr_cur_get_rec(cursor); + + if (!page_rec_is_user_rec(rec)) { + + return; + } + + index_id = cursor->index->id; + fold = rec_fold(rec, + rec_get_offsets(rec, cursor->index, offsets_, + ULINT_UNDEFINED, &heap), + block->curr_n_fields, + block->curr_n_bytes, index_id); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + ha_insert_for_fold(btr_search_sys->hash_index, fold, + block, rec); + } +} + +/*********************************************************************//** +Updates the search info. */ +UNIV_INTERN +void +btr_search_info_update_slow( +/*========================*/ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ +{ + buf_block_t* block; + ibool build_index; + ulint* params; + ulint* params2; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + block = btr_cur_get_block(cursor); + + /* NOTE that the following two function calls do NOT protect + info or block->n_fields etc. with any semaphore, to save CPU time! + We cannot assume the fields are consistent when we return from + those functions! */ + + btr_search_info_update_hash(info, cursor); + + build_index = btr_search_update_block_hash_info(info, block, cursor); + + if (build_index || (cursor->flag == BTR_CUR_HASH_FAIL)) { + + btr_search_check_free_space_in_heap(); + } + + if (cursor->flag == BTR_CUR_HASH_FAIL) { + /* Update the hash node reference, if appropriate */ + +#ifdef UNIV_SEARCH_PERF_STAT + btr_search_n_hash_fail++; +#endif /* UNIV_SEARCH_PERF_STAT */ + + rw_lock_x_lock(&btr_search_latch); + + btr_search_update_hash_ref(info, block, cursor); + + rw_lock_x_unlock(&btr_search_latch); + } + + if (build_index) { + /* Note that since we did not protect block->n_fields etc. + with any semaphore, the values can be inconsistent. We have + to check inside the function call that they make sense. We + also malloc an array and store the values there to make sure + the compiler does not let the function call parameters change + inside the called function. It might be that the compiler + would optimize the call just to pass pointers to block. */ + + params = mem_alloc(3 * sizeof(ulint)); + params[0] = block->n_fields; + params[1] = block->n_bytes; + params[2] = block->left_side; + + /* Make sure the compiler cannot deduce the values and do + optimizations */ + + params2 = params + btr_search_this_is_zero; + + btr_search_build_page_hash_index(cursor->index, + block, + params2[0], + params2[1], + params2[2]); + mem_free(params); + } +} + +/******************************************************************//** +Checks if a guessed position for a tree cursor is right. Note that if +mode is PAGE_CUR_LE, which is used in inserts, and the function returns +TRUE, then cursor->up_match and cursor->low_match both have sensible values. +@return TRUE if success */ +static +ibool +btr_search_check_guess( +/*===================*/ + btr_cur_t* cursor, /*!< in: guessed cursor position */ + ibool can_only_compare_to_cursor_rec, + /*!< in: if we do not have a latch on the page + of cursor, but only a latch on + btr_search_latch, then ONLY the columns + of the record UNDER the cursor are + protected, not the next or previous record + in the chain: we cannot look at the next or + previous record to check our guess! */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, + or PAGE_CUR_GE */ + mtr_t* mtr) /*!< in: mtr */ +{ + rec_t* rec; + ulint n_unique; + ulint match; + ulint bytes; + int cmp; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + ibool success = FALSE; + rec_offs_init(offsets_); + + n_unique = dict_index_get_n_unique_in_tree(cursor->index); + + rec = btr_cur_get_rec(cursor); + + ut_ad(page_rec_is_user_rec(rec)); + + match = 0; + bytes = 0; + + offsets = rec_get_offsets(rec, cursor->index, offsets, + n_unique, &heap); + cmp = page_cmp_dtuple_rec_with_match(tuple, rec, + offsets, &match, &bytes); + + if (mode == PAGE_CUR_GE) { + if (cmp == 1) { + goto exit_func; + } + + cursor->up_match = match; + + if (match >= n_unique) { + success = TRUE; + goto exit_func; + } + } else if (mode == PAGE_CUR_LE) { + if (cmp == -1) { + goto exit_func; + } + + cursor->low_match = match; + + } else if (mode == PAGE_CUR_G) { + if (cmp != -1) { + goto exit_func; + } + } else if (mode == PAGE_CUR_L) { + if (cmp != 1) { + goto exit_func; + } + } + + if (can_only_compare_to_cursor_rec) { + /* Since we could not determine if our guess is right just by + looking at the record under the cursor, return FALSE */ + goto exit_func; + } + + match = 0; + bytes = 0; + + if ((mode == PAGE_CUR_G) || (mode == PAGE_CUR_GE)) { + rec_t* prev_rec; + + ut_ad(!page_rec_is_infimum(rec)); + + prev_rec = page_rec_get_prev(rec); + + if (page_rec_is_infimum(prev_rec)) { + success = btr_page_get_prev(page_align(prev_rec), mtr) + == FIL_NULL; + + goto exit_func; + } + + offsets = rec_get_offsets(prev_rec, cursor->index, offsets, + n_unique, &heap); + cmp = page_cmp_dtuple_rec_with_match(tuple, prev_rec, + offsets, &match, &bytes); + if (mode == PAGE_CUR_GE) { + success = cmp == 1; + } else { + success = cmp != -1; + } + + goto exit_func; + } else { + rec_t* next_rec; + + ut_ad(!page_rec_is_supremum(rec)); + + next_rec = page_rec_get_next(rec); + + if (page_rec_is_supremum(next_rec)) { + if (btr_page_get_next(page_align(next_rec), mtr) + == FIL_NULL) { + + cursor->up_match = 0; + success = TRUE; + } + + goto exit_func; + } + + offsets = rec_get_offsets(next_rec, cursor->index, offsets, + n_unique, &heap); + cmp = page_cmp_dtuple_rec_with_match(tuple, next_rec, + offsets, &match, &bytes); + if (mode == PAGE_CUR_LE) { + success = cmp == -1; + cursor->up_match = match; + } else { + success = cmp != 1; + } + } +exit_func: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(success); +} + +/******************************************************************//** +Tries to guess the right search position based on the hash search info +of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, +and the function returns TRUE, then cursor->up_match and cursor->low_match +both have sensible values. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +btr_search_guess_on_hash( +/*=====================*/ + dict_index_t* index, /*!< in: index */ + btr_search_t* info, /*!< in: index search info */ + const dtuple_t* tuple, /*!< in: logical record */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ...; + NOTE that only if has_search_latch + is 0, we will have a latch set on + the cursor page, otherwise we assume + the caller uses his search latch + to protect the record! */ + btr_cur_t* cursor, /*!< out: tree cursor */ + ulint has_search_latch,/*!< in: latch mode the caller + currently has on btr_search_latch: + RW_S_LATCH, RW_X_LATCH, or 0 */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + rec_t* rec; + ulint fold; + dulint index_id; +#ifdef notdefined + btr_cur_t cursor2; + btr_pcur_t pcur; +#endif + ut_ad(index && info && tuple && cursor && mtr); + ut_ad((latch_mode == BTR_SEARCH_LEAF) + || (latch_mode == BTR_MODIFY_LEAF)); + + /* Note that, for efficiency, the struct info may not be protected by + any latch here! */ + + if (UNIV_UNLIKELY(info->n_hash_potential == 0)) { + + return(FALSE); + } + + cursor->n_fields = info->n_fields; + cursor->n_bytes = info->n_bytes; + + if (UNIV_UNLIKELY(dtuple_get_n_fields(tuple) + < cursor->n_fields + (cursor->n_bytes > 0))) { + + return(FALSE); + } + + index_id = index->id; + +#ifdef UNIV_SEARCH_PERF_STAT + info->n_hash_succ++; +#endif + fold = dtuple_fold(tuple, cursor->n_fields, cursor->n_bytes, index_id); + + cursor->fold = fold; + cursor->flag = BTR_CUR_HASH; + + if (UNIV_LIKELY(!has_search_latch)) { + rw_lock_s_lock(&btr_search_latch); + + if (UNIV_UNLIKELY(!btr_search_enabled)) { + goto failure_unlock; + } + } + + ut_ad(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_EX); + ut_ad(rw_lock_get_reader_count(&btr_search_latch) > 0); + + rec = ha_search_and_get_data(btr_search_sys->hash_index, fold); + + if (UNIV_UNLIKELY(!rec)) { + goto failure_unlock; + } + + block = buf_block_align(rec); + + if (UNIV_LIKELY(!has_search_latch)) { + + if (UNIV_UNLIKELY( + !buf_page_get_known_nowait(latch_mode, block, + BUF_MAKE_YOUNG, + __FILE__, __LINE__, + mtr))) { + goto failure_unlock; + } + + rw_lock_s_unlock(&btr_search_latch); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); + } + + if (UNIV_UNLIKELY(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE)) { + ut_ad(buf_block_get_state(block) == BUF_BLOCK_REMOVE_HASH); + + if (UNIV_LIKELY(!has_search_latch)) { + + btr_leaf_page_release(block, latch_mode, mtr); + } + + goto failure; + } + + ut_ad(page_rec_is_user_rec(rec)); + + btr_cur_position(index, rec, block, cursor); + + /* Check the validity of the guess within the page */ + + /* If we only have the latch on btr_search_latch, not on the + page, it only protects the columns of the record the cursor + is positioned on. We cannot look at the next of the previous + record to determine if our guess for the cursor position is + right. */ + if (UNIV_EXPECT + (ut_dulint_cmp(index_id, btr_page_get_index_id(block->frame)), 0) + || !btr_search_check_guess(cursor, + has_search_latch, + tuple, mode, mtr)) { + if (UNIV_LIKELY(!has_search_latch)) { + btr_leaf_page_release(block, latch_mode, mtr); + } + + goto failure; + } + + if (UNIV_LIKELY(info->n_hash_potential < BTR_SEARCH_BUILD_LIMIT + 5)) { + + info->n_hash_potential++; + } + +#ifdef notdefined + /* These lines of code can be used in a debug version to check + the correctness of the searched cursor position: */ + + info->last_hash_succ = FALSE; + + /* Currently, does not work if the following fails: */ + ut_ad(!has_search_latch); + + btr_leaf_page_release(block, latch_mode, mtr); + + btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, + &cursor2, 0, mtr); + if (mode == PAGE_CUR_GE + && page_rec_is_supremum(btr_cur_get_rec(&cursor2))) { + + /* If mode is PAGE_CUR_GE, then the binary search + in the index tree may actually take us to the supremum + of the previous page */ + + info->last_hash_succ = FALSE; + + btr_pcur_open_on_user_rec(index, tuple, mode, latch_mode, + &pcur, mtr); + ut_ad(btr_pcur_get_rec(&pcur) == btr_cur_get_rec(cursor)); + } else { + ut_ad(btr_cur_get_rec(&cursor2) == btr_cur_get_rec(cursor)); + } + + /* NOTE that it is theoretically possible that the above assertions + fail if the page of the cursor gets removed from the buffer pool + meanwhile! Thus it might not be a bug. */ +#endif + info->last_hash_succ = TRUE; + +#ifdef UNIV_SEARCH_PERF_STAT + btr_search_n_succ++; +#endif + if (UNIV_LIKELY(!has_search_latch) + && buf_page_peek_if_too_old(&block->page)) { + + buf_page_make_young(&block->page); + } + + /* Increment the page get statistics though we did not really + fix the page: for user info only */ + + buf_pool->stat.n_page_gets++; + + return(TRUE); + + /*-------------------------------------------*/ +failure_unlock: + if (UNIV_LIKELY(!has_search_latch)) { + rw_lock_s_unlock(&btr_search_latch); + } +failure: + cursor->flag = BTR_CUR_HASH_FAIL; + +#ifdef UNIV_SEARCH_PERF_STAT + info->n_hash_fail++; + + if (info->n_hash_succ > 0) { + info->n_hash_succ--; + } +#endif + info->last_hash_succ = FALSE; + + return(FALSE); +} + +/********************************************************************//** +Drops a page hash index. */ +UNIV_INTERN +void +btr_search_drop_page_hash_index( +/*============================*/ + buf_block_t* block) /*!< in: block containing index page, + s- or x-latched, or an index page + for which we know that + block->buf_fix_count == 0 */ +{ + hash_table_t* table; + ulint n_fields; + ulint n_bytes; + const page_t* page; + const rec_t* rec; + ulint fold; + ulint prev_fold; + dulint index_id; + ulint n_cached; + ulint n_recs; + ulint* folds; + ulint i; + mem_heap_t* heap; + const dict_index_t* index; + ulint* offsets; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + +retry: + rw_lock_s_lock(&btr_search_latch); + page = block->frame; + + if (UNIV_LIKELY(!block->is_hashed)) { + + rw_lock_s_unlock(&btr_search_latch); + + return; + } + + table = btr_search_sys->hash_index; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) + || rw_lock_own(&(block->lock), RW_LOCK_EX) + || (block->page.buf_fix_count == 0)); +#endif /* UNIV_SYNC_DEBUG */ + + n_fields = block->curr_n_fields; + n_bytes = block->curr_n_bytes; + index = block->index; + ut_a(!dict_index_is_ibuf(index)); + + /* NOTE: The fields of block must not be accessed after + releasing btr_search_latch, as the index page might only + be s-latched! */ + + rw_lock_s_unlock(&btr_search_latch); + + ut_a(n_fields + n_bytes > 0); + + n_recs = page_get_n_recs(page); + + /* Calculate and cache fold values into an array for fast deletion + from the hash index */ + + folds = mem_alloc(n_recs * sizeof(ulint)); + + n_cached = 0; + + rec = page_get_infimum_rec(page); + rec = page_rec_get_next_low(rec, page_is_comp(page)); + + index_id = btr_page_get_index_id(page); + + ut_a(0 == ut_dulint_cmp(index_id, index->id)); + + prev_fold = 0; + + heap = NULL; + offsets = NULL; + + while (!page_rec_is_supremum(rec)) { + offsets = rec_get_offsets(rec, index, offsets, + n_fields + (n_bytes > 0), &heap); + ut_a(rec_offs_n_fields(offsets) == n_fields + (n_bytes > 0)); + fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); + + if (fold == prev_fold && prev_fold != 0) { + + goto next_rec; + } + + /* Remove all hash nodes pointing to this page from the + hash chain */ + + folds[n_cached] = fold; + n_cached++; +next_rec: + rec = page_rec_get_next_low(rec, page_rec_is_comp(rec)); + prev_fold = fold; + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + rw_lock_x_lock(&btr_search_latch); + + if (UNIV_UNLIKELY(!block->is_hashed)) { + /* Someone else has meanwhile dropped the hash index */ + + goto cleanup; + } + + ut_a(block->index == index); + + if (UNIV_UNLIKELY(block->curr_n_fields != n_fields) + || UNIV_UNLIKELY(block->curr_n_bytes != n_bytes)) { + + /* Someone else has meanwhile built a new hash index on the + page, with different parameters */ + + rw_lock_x_unlock(&btr_search_latch); + + mem_free(folds); + goto retry; + } + + for (i = 0; i < n_cached; i++) { + + ha_remove_all_nodes_to_page(table, folds[i], page); + } + + ut_a(index->search_info->ref_count > 0); + index->search_info->ref_count--; + + block->is_hashed = FALSE; + block->index = NULL; + +cleanup: +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + if (UNIV_UNLIKELY(block->n_pointers)) { + /* Corruption */ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Corruption of adaptive hash index." + " After dropping\n" + "InnoDB: the hash index to a page of %s," + " still %lu hash nodes remain.\n", + index->name, (ulong) block->n_pointers); + rw_lock_x_unlock(&btr_search_latch); + + btr_search_validate(); + } else { + rw_lock_x_unlock(&btr_search_latch); + } +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + rw_lock_x_unlock(&btr_search_latch); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + + mem_free(folds); +} + +/********************************************************************//** +Drops a page hash index when a page is freed from a fseg to the file system. +Drops possible hash index if the page happens to be in the buffer pool. */ +UNIV_INTERN +void +btr_search_drop_page_hash_when_freed( +/*=================================*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no) /*!< in: page number */ +{ + buf_block_t* block; + mtr_t mtr; + + if (!buf_page_peek_if_search_hashed(space, page_no)) { + + return; + } + + mtr_start(&mtr); + + /* We assume that if the caller has a latch on the page, then the + caller has already dropped the hash index for the page, and we never + get here. Therefore we can acquire the s-latch to the page without + having to fear a deadlock. */ + + block = buf_page_get_gen(space, zip_size, page_no, RW_S_LATCH, NULL, + BUF_GET_IF_IN_POOL, __FILE__, __LINE__, + &mtr); + /* Because the buffer pool mutex was released by + buf_page_peek_if_search_hashed(), it is possible that the + block was removed from the buffer pool by another thread + before buf_page_get_gen() got a chance to acquire the buffer + pool mutex again. Thus, we must check for a NULL return. */ + + if (UNIV_LIKELY(block != NULL)) { + + buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); + + btr_search_drop_page_hash_index(block); + } + + mtr_commit(&mtr); +} + +/********************************************************************//** +Builds a hash index on a page with the given parameters. If the page already +has a hash index with different parameters, the old hash index is removed. +If index is non-NULL, this function checks if n_fields and n_bytes are +sensible values, and does not build a hash index if not. */ +static +void +btr_search_build_page_hash_index( +/*=============================*/ + dict_index_t* index, /*!< in: index for which to build */ + buf_block_t* block, /*!< in: index page, s- or x-latched */ + ulint n_fields,/*!< in: hash this many full fields */ + ulint n_bytes,/*!< in: hash this many bytes from the next + field */ + ibool left_side)/*!< in: hash for searches from left side? */ +{ + hash_table_t* table; + page_t* page; + rec_t* rec; + rec_t* next_rec; + ulint fold; + ulint next_fold; + dulint index_id; + ulint n_cached; + ulint n_recs; + ulint* folds; + rec_t** recs; + ulint i; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(index); + ut_a(!dict_index_is_ibuf(index)); + + table = btr_search_sys->hash_index; + page = buf_block_get_frame(block); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) + || rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + rw_lock_s_lock(&btr_search_latch); + + if (block->is_hashed && ((block->curr_n_fields != n_fields) + || (block->curr_n_bytes != n_bytes) + || (block->curr_left_side != left_side))) { + + rw_lock_s_unlock(&btr_search_latch); + + btr_search_drop_page_hash_index(block); + } else { + rw_lock_s_unlock(&btr_search_latch); + } + + n_recs = page_get_n_recs(page); + + if (n_recs == 0) { + + return; + } + + /* Check that the values for hash index build are sensible */ + + if (n_fields + n_bytes == 0) { + + return; + } + + if (dict_index_get_n_unique_in_tree(index) < n_fields + || (dict_index_get_n_unique_in_tree(index) == n_fields + && n_bytes > 0)) { + return; + } + + /* Calculate and cache fold values and corresponding records into + an array for fast insertion to the hash index */ + + folds = mem_alloc(n_recs * sizeof(ulint)); + recs = mem_alloc(n_recs * sizeof(rec_t*)); + + n_cached = 0; + + index_id = btr_page_get_index_id(page); + + rec = page_rec_get_next(page_get_infimum_rec(page)); + + offsets = rec_get_offsets(rec, index, offsets, + n_fields + (n_bytes > 0), &heap); + + if (!page_rec_is_supremum(rec)) { + ut_a(n_fields <= rec_offs_n_fields(offsets)); + + if (n_bytes > 0) { + ut_a(n_fields < rec_offs_n_fields(offsets)); + } + } + + fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); + + if (left_side) { + + folds[n_cached] = fold; + recs[n_cached] = rec; + n_cached++; + } + + for (;;) { + next_rec = page_rec_get_next(rec); + + if (page_rec_is_supremum(next_rec)) { + + if (!left_side) { + + folds[n_cached] = fold; + recs[n_cached] = rec; + n_cached++; + } + + break; + } + + offsets = rec_get_offsets(next_rec, index, offsets, + n_fields + (n_bytes > 0), &heap); + next_fold = rec_fold(next_rec, offsets, n_fields, + n_bytes, index_id); + + if (fold != next_fold) { + /* Insert an entry into the hash index */ + + if (left_side) { + + folds[n_cached] = next_fold; + recs[n_cached] = next_rec; + n_cached++; + } else { + folds[n_cached] = fold; + recs[n_cached] = rec; + n_cached++; + } + } + + rec = next_rec; + fold = next_fold; + } + + btr_search_check_free_space_in_heap(); + + rw_lock_x_lock(&btr_search_latch); + + if (UNIV_UNLIKELY(!btr_search_enabled)) { + goto exit_func; + } + + if (block->is_hashed && ((block->curr_n_fields != n_fields) + || (block->curr_n_bytes != n_bytes) + || (block->curr_left_side != left_side))) { + goto exit_func; + } + + /* This counter is decremented every time we drop page + hash index entries and is incremented here. Since we can + rebuild hash index for a page that is already hashed, we + have to take care not to increment the counter in that + case. */ + if (!block->is_hashed) { + index->search_info->ref_count++; + } + + block->is_hashed = TRUE; + block->n_hash_helps = 0; + + block->curr_n_fields = n_fields; + block->curr_n_bytes = n_bytes; + block->curr_left_side = left_side; + block->index = index; + + for (i = 0; i < n_cached; i++) { + + ha_insert_for_fold(table, folds[i], block, recs[i]); + } + +exit_func: + rw_lock_x_unlock(&btr_search_latch); + + mem_free(folds); + mem_free(recs); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/********************************************************************//** +Moves or deletes hash entries for moved records. If new_page is already hashed, +then the hash index for page, if any, is dropped. If new_page is not hashed, +and page is hashed, then a new hash index is built to new_page with the same +parameters as page (this often happens when a page is split). */ +UNIV_INTERN +void +btr_search_move_or_delete_hash_entries( +/*===================================*/ + buf_block_t* new_block, /*!< in: records are copied + to this page */ + buf_block_t* block, /*!< in: index page from which + records were copied, and the + copied records will be deleted + from this page */ + dict_index_t* index) /*!< in: record descriptor */ +{ + ulint n_fields; + ulint n_bytes; + ibool left_side; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); + ut_ad(rw_lock_own(&(new_block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_a(!new_block->is_hashed || new_block->index == index); + ut_a(!block->is_hashed || block->index == index); + ut_a(!(new_block->is_hashed || block->is_hashed) + || !dict_index_is_ibuf(index)); + + rw_lock_s_lock(&btr_search_latch); + + if (new_block->is_hashed) { + + rw_lock_s_unlock(&btr_search_latch); + + btr_search_drop_page_hash_index(block); + + return; + } + + if (block->is_hashed) { + + n_fields = block->curr_n_fields; + n_bytes = block->curr_n_bytes; + left_side = block->curr_left_side; + + new_block->n_fields = block->curr_n_fields; + new_block->n_bytes = block->curr_n_bytes; + new_block->left_side = left_side; + + rw_lock_s_unlock(&btr_search_latch); + + ut_a(n_fields + n_bytes > 0); + + btr_search_build_page_hash_index(index, new_block, n_fields, + n_bytes, left_side); + ut_ad(n_fields == block->curr_n_fields); + ut_ad(n_bytes == block->curr_n_bytes); + ut_ad(left_side == block->curr_left_side); + return; + } + + rw_lock_s_unlock(&btr_search_latch); +} + +/********************************************************************//** +Updates the page hash index when a single record is deleted from a page. */ +UNIV_INTERN +void +btr_search_update_hash_on_delete( +/*=============================*/ + btr_cur_t* cursor) /*!< in: cursor which was positioned on the + record to delete using btr_cur_search_..., + the record is not yet deleted */ +{ + hash_table_t* table; + buf_block_t* block; + rec_t* rec; + ulint fold; + dulint index_id; + ibool found; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + mem_heap_t* heap = NULL; + rec_offs_init(offsets_); + + rec = btr_cur_get_rec(cursor); + + block = btr_cur_get_block(cursor); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!block->is_hashed) { + + return; + } + + ut_a(block->index == cursor->index); + ut_a(block->curr_n_fields + block->curr_n_bytes > 0); + ut_a(!dict_index_is_ibuf(cursor->index)); + + table = btr_search_sys->hash_index; + + index_id = cursor->index->id; + fold = rec_fold(rec, rec_get_offsets(rec, cursor->index, offsets_, + ULINT_UNDEFINED, &heap), + block->curr_n_fields, block->curr_n_bytes, index_id); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + rw_lock_x_lock(&btr_search_latch); + + found = ha_search_and_delete_if_found(table, fold, rec); + + rw_lock_x_unlock(&btr_search_latch); +} + +/********************************************************************//** +Updates the page hash index when a single record is inserted on a page. */ +UNIV_INTERN +void +btr_search_update_hash_node_on_insert( +/*==================================*/ + btr_cur_t* cursor) /*!< in: cursor which was positioned to the + place to insert using btr_cur_search_..., + and the new record has been inserted next + to the cursor */ +{ + hash_table_t* table; + buf_block_t* block; + rec_t* rec; + + rec = btr_cur_get_rec(cursor); + + block = btr_cur_get_block(cursor); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!block->is_hashed) { + + return; + } + + ut_a(block->index == cursor->index); + ut_a(!dict_index_is_ibuf(cursor->index)); + + rw_lock_x_lock(&btr_search_latch); + + if ((cursor->flag == BTR_CUR_HASH) + && (cursor->n_fields == block->curr_n_fields) + && (cursor->n_bytes == block->curr_n_bytes) + && !block->curr_left_side) { + + table = btr_search_sys->hash_index; + + ha_search_and_update_if_found(table, cursor->fold, rec, + block, page_rec_get_next(rec)); + + rw_lock_x_unlock(&btr_search_latch); + } else { + rw_lock_x_unlock(&btr_search_latch); + + btr_search_update_hash_on_insert(cursor); + } +} + +/********************************************************************//** +Updates the page hash index when a single record is inserted on a page. */ +UNIV_INTERN +void +btr_search_update_hash_on_insert( +/*=============================*/ + btr_cur_t* cursor) /*!< in: cursor which was positioned to the + place to insert using btr_cur_search_..., + and the new record has been inserted next + to the cursor */ +{ + hash_table_t* table; + buf_block_t* block; + rec_t* rec; + rec_t* ins_rec; + rec_t* next_rec; + dulint index_id; + ulint fold; + ulint ins_fold; + ulint next_fold = 0; /* remove warning (??? bug ???) */ + ulint n_fields; + ulint n_bytes; + ibool left_side; + ibool locked = FALSE; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + table = btr_search_sys->hash_index; + + btr_search_check_free_space_in_heap(); + + rec = btr_cur_get_rec(cursor); + + block = btr_cur_get_block(cursor); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!block->is_hashed) { + + return; + } + + ut_a(block->index == cursor->index); + ut_a(!dict_index_is_ibuf(cursor->index)); + + index_id = cursor->index->id; + + n_fields = block->curr_n_fields; + n_bytes = block->curr_n_bytes; + left_side = block->curr_left_side; + + ins_rec = page_rec_get_next(rec); + next_rec = page_rec_get_next(ins_rec); + + offsets = rec_get_offsets(ins_rec, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + ins_fold = rec_fold(ins_rec, offsets, n_fields, n_bytes, index_id); + + if (!page_rec_is_supremum(next_rec)) { + offsets = rec_get_offsets(next_rec, cursor->index, offsets, + n_fields + (n_bytes > 0), &heap); + next_fold = rec_fold(next_rec, offsets, n_fields, + n_bytes, index_id); + } + + if (!page_rec_is_infimum(rec)) { + offsets = rec_get_offsets(rec, cursor->index, offsets, + n_fields + (n_bytes > 0), &heap); + fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); + } else { + if (left_side) { + + rw_lock_x_lock(&btr_search_latch); + + locked = TRUE; + + ha_insert_for_fold(table, ins_fold, block, ins_rec); + } + + goto check_next_rec; + } + + if (fold != ins_fold) { + + if (!locked) { + + rw_lock_x_lock(&btr_search_latch); + + locked = TRUE; + } + + if (!left_side) { + ha_insert_for_fold(table, fold, block, rec); + } else { + ha_insert_for_fold(table, ins_fold, block, ins_rec); + } + } + +check_next_rec: + if (page_rec_is_supremum(next_rec)) { + + if (!left_side) { + + if (!locked) { + rw_lock_x_lock(&btr_search_latch); + + locked = TRUE; + } + + ha_insert_for_fold(table, ins_fold, block, ins_rec); + } + + goto function_exit; + } + + if (ins_fold != next_fold) { + + if (!locked) { + + rw_lock_x_lock(&btr_search_latch); + + locked = TRUE; + } + + if (!left_side) { + + ha_insert_for_fold(table, ins_fold, block, ins_rec); + /* + fputs("Hash insert for ", stderr); + dict_index_name_print(stderr, cursor->index); + fprintf(stderr, " fold %lu\n", ins_fold); + */ + } else { + ha_insert_for_fold(table, next_fold, block, next_rec); + } + } + +function_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + if (locked) { + rw_lock_x_unlock(&btr_search_latch); + } +} + +/********************************************************************//** +Validates the search system. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_search_validate(void) +/*=====================*/ +{ + ha_node_t* node; + ulint n_page_dumps = 0; + ibool ok = TRUE; + ulint i; + ulint cell_count; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + + /* How many cells to check before temporarily releasing + btr_search_latch. */ + ulint chunk_size = 10000; + + rec_offs_init(offsets_); + + rw_lock_x_lock(&btr_search_latch); + buf_pool_mutex_enter(); + + cell_count = hash_get_n_cells(btr_search_sys->hash_index); + + for (i = 0; i < cell_count; i++) { + /* We release btr_search_latch every once in a while to + give other queries a chance to run. */ + if ((i != 0) && ((i % chunk_size) == 0)) { + buf_pool_mutex_exit(); + rw_lock_x_unlock(&btr_search_latch); + os_thread_yield(); + rw_lock_x_lock(&btr_search_latch); + buf_pool_mutex_enter(); + } + + node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node; + + for (; node != NULL; node = node->next) { + const buf_block_t* block + = buf_block_align(node->data); + const buf_block_t* hash_block; + + if (UNIV_LIKELY(buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE)) { + + /* The space and offset are only valid + for file blocks. It is possible that + the block is being freed + (BUF_BLOCK_REMOVE_HASH, see the + assertion and the comment below) */ + hash_block = buf_block_hash_get( + buf_block_get_space(block), + buf_block_get_page_no(block)); + } else { + hash_block = NULL; + } + + if (hash_block) { + ut_a(hash_block == block); + } else { + /* When a block is being freed, + buf_LRU_search_and_free_block() first + removes the block from + buf_pool->page_hash by calling + buf_LRU_block_remove_hashed_page(). + After that, it invokes + btr_search_drop_page_hash_index() to + remove the block from + btr_search_sys->hash_index. */ + + ut_a(buf_block_get_state(block) + == BUF_BLOCK_REMOVE_HASH); + } + + ut_a(!dict_index_is_ibuf(block->index)); + + offsets = rec_get_offsets((const rec_t*) node->data, + block->index, offsets, + block->curr_n_fields + + (block->curr_n_bytes > 0), + &heap); + + if (!block->is_hashed || node->fold + != rec_fold((rec_t*)(node->data), + offsets, + block->curr_n_fields, + block->curr_n_bytes, + btr_page_get_index_id(block->frame))) { + const page_t* page = block->frame; + + ok = FALSE; + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error in an adaptive hash" + " index pointer to page %lu\n" + "InnoDB: ptr mem address %p" + " index id %lu %lu," + " node fold %lu, rec fold %lu\n", + (ulong) page_get_page_no(page), + node->data, + (ulong) ut_dulint_get_high( + btr_page_get_index_id(page)), + (ulong) ut_dulint_get_low( + btr_page_get_index_id(page)), + (ulong) node->fold, + (ulong) rec_fold((rec_t*)(node->data), + offsets, + block->curr_n_fields, + block->curr_n_bytes, + btr_page_get_index_id( + page))); + + fputs("InnoDB: Record ", stderr); + rec_print_new(stderr, (rec_t*)node->data, + offsets); + fprintf(stderr, "\nInnoDB: on that page." + " Page mem address %p, is hashed %lu," + " n fields %lu, n bytes %lu\n" + "InnoDB: side %lu\n", + (void*) page, (ulong) block->is_hashed, + (ulong) block->curr_n_fields, + (ulong) block->curr_n_bytes, + (ulong) block->curr_left_side); + + if (n_page_dumps < 20) { + buf_page_print(page, 0); + n_page_dumps++; + } + } + } + } + + for (i = 0; i < cell_count; i += chunk_size) { + ulint end_index = ut_min(i + chunk_size - 1, cell_count - 1); + + /* We release btr_search_latch every once in a while to + give other queries a chance to run. */ + if (i != 0) { + buf_pool_mutex_exit(); + rw_lock_x_unlock(&btr_search_latch); + os_thread_yield(); + rw_lock_x_lock(&btr_search_latch); + buf_pool_mutex_enter(); + } + + if (!ha_validate(btr_search_sys->hash_index, i, end_index)) { + ok = FALSE; + } + } + + buf_pool_mutex_exit(); + rw_lock_x_unlock(&btr_search_latch); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + return(ok); +} diff --git a/perfschema/buf/buf0buddy.c b/perfschema/buf/buf0buddy.c new file mode 100644 index 00000000000..55b3995a3af --- /dev/null +++ b/perfschema/buf/buf0buddy.c @@ -0,0 +1,696 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file buf/buf0buddy.c +Binary buddy allocator for compressed pages + +Created December 2006 by Marko Makela +*******************************************************/ + +#define THIS_MODULE +#include "buf0buddy.h" +#ifdef UNIV_NONINL +# include "buf0buddy.ic" +#endif +#undef THIS_MODULE +#include "buf0buf.h" +#include "buf0lru.h" +#include "buf0flu.h" +#include "page0zip.h" + +/* Statistic counters */ + +#ifdef UNIV_DEBUG +/** Number of frames allocated from the buffer pool to the buddy system. +Protected by buf_pool_mutex. */ +static ulint buf_buddy_n_frames; +#endif /* UNIV_DEBUG */ +/** Statistics of the buddy system, indexed by block size. +Protected by buf_pool_mutex. */ +UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; + +/**********************************************************************//** +Get the offset of the buddy of a compressed page frame. +@return the buddy relative of page */ +UNIV_INLINE +byte* +buf_buddy_get( +/*==========*/ + byte* page, /*!< in: compressed page */ + ulint size) /*!< in: page size in bytes */ +{ + ut_ad(ut_is_2pow(size)); + ut_ad(size >= BUF_BUDDY_LOW); + ut_ad(size < BUF_BUDDY_HIGH); + ut_ad(!ut_align_offset(page, size)); + + if (((ulint) page) & size) { + return(page - size); + } else { + return(page + size); + } +} + +/**********************************************************************//** +Add a block to the head of the appropriate buddy free list. */ +UNIV_INLINE +void +buf_buddy_add_to_free( +/*==================*/ + buf_page_t* bpage, /*!< in,own: block to be freed */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ +{ +#ifdef UNIV_DEBUG_VALGRIND + buf_page_t* b = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); + + if (b) UNIV_MEM_VALID(b, BUF_BUDDY_LOW << i); +#endif /* UNIV_DEBUG_VALGRIND */ + + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); + ut_ad(buf_pool->zip_free[i].start != bpage); + UT_LIST_ADD_FIRST(list, buf_pool->zip_free[i], bpage); + +#ifdef UNIV_DEBUG_VALGRIND + if (b) UNIV_MEM_FREE(b, BUF_BUDDY_LOW << i); + UNIV_MEM_ASSERT_AND_FREE(bpage, BUF_BUDDY_LOW << i); +#endif /* UNIV_DEBUG_VALGRIND */ +} + +/**********************************************************************//** +Remove a block from the appropriate buddy free list. */ +UNIV_INLINE +void +buf_buddy_remove_from_free( +/*=======================*/ + buf_page_t* bpage, /*!< in: block to be removed */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ +{ +#ifdef UNIV_DEBUG_VALGRIND + buf_page_t* prev = UT_LIST_GET_PREV(list, bpage); + buf_page_t* next = UT_LIST_GET_NEXT(list, bpage); + + if (prev) UNIV_MEM_VALID(prev, BUF_BUDDY_LOW << i); + if (next) UNIV_MEM_VALID(next, BUF_BUDDY_LOW << i); + + ut_ad(!prev || buf_page_get_state(prev) == BUF_BLOCK_ZIP_FREE); + ut_ad(!next || buf_page_get_state(next) == BUF_BLOCK_ZIP_FREE); +#endif /* UNIV_DEBUG_VALGRIND */ + + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); + UT_LIST_REMOVE(list, buf_pool->zip_free[i], bpage); + +#ifdef UNIV_DEBUG_VALGRIND + if (prev) UNIV_MEM_FREE(prev, BUF_BUDDY_LOW << i); + if (next) UNIV_MEM_FREE(next, BUF_BUDDY_LOW << i); +#endif /* UNIV_DEBUG_VALGRIND */ +} + +/**********************************************************************//** +Try to allocate a block from buf_pool->zip_free[]. +@return allocated block, or NULL if buf_pool->zip_free[] was empty */ +static +void* +buf_buddy_alloc_zip( +/*================*/ + ulint i) /*!< in: index of buf_pool->zip_free[] */ +{ + buf_page_t* bpage; + + ut_ad(buf_pool_mutex_own()); + ut_a(i < BUF_BUDDY_SIZES); + +#ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing free memory. */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state(ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); +#endif /* !UNIV_DEBUG_VALGRIND */ + bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); + + if (bpage) { + UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); + ut_a(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); + + buf_buddy_remove_from_free(bpage, i); + } else if (i + 1 < BUF_BUDDY_SIZES) { + /* Attempt to split. */ + bpage = buf_buddy_alloc_zip(i + 1); + + if (bpage) { + buf_page_t* buddy = (buf_page_t*) + (((char*) bpage) + (BUF_BUDDY_LOW << i)); + + ut_ad(!buf_pool_contains_zip(buddy)); + ut_d(memset(buddy, i, BUF_BUDDY_LOW << i)); + buddy->state = BUF_BLOCK_ZIP_FREE; + buf_buddy_add_to_free(buddy, i); + } + } + +#ifdef UNIV_DEBUG + if (bpage) { + memset(bpage, ~i, BUF_BUDDY_LOW << i); + } +#endif /* UNIV_DEBUG */ + + UNIV_MEM_ALLOC(bpage, BUF_BUDDY_SIZES << i); + + return(bpage); +} + +/**********************************************************************//** +Deallocate a buffer frame of UNIV_PAGE_SIZE. */ +static +void +buf_buddy_block_free( +/*=================*/ + void* buf) /*!< in: buffer frame to deallocate */ +{ + const ulint fold = BUF_POOL_ZIP_FOLD_PTR(buf); + buf_page_t* bpage; + buf_block_t* block; + + ut_ad(buf_pool_mutex_own()); + ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_a(!ut_align_offset(buf, UNIV_PAGE_SIZE)); + + HASH_SEARCH(hash, buf_pool->zip_hash, fold, buf_page_t*, bpage, + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY + && bpage->in_zip_hash && !bpage->in_page_hash), + ((buf_block_t*) bpage)->frame == buf); + ut_a(bpage); + ut_a(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY); + ut_ad(!bpage->in_page_hash); + ut_ad(bpage->in_zip_hash); + ut_d(bpage->in_zip_hash = FALSE); + HASH_DELETE(buf_page_t, hash, buf_pool->zip_hash, fold, bpage); + + ut_d(memset(buf, 0, UNIV_PAGE_SIZE)); + UNIV_MEM_INVALID(buf, UNIV_PAGE_SIZE); + + block = (buf_block_t*) bpage; + mutex_enter(&block->mutex); + buf_LRU_block_free_non_file_page(block); + mutex_exit(&block->mutex); + + ut_ad(buf_buddy_n_frames > 0); + ut_d(buf_buddy_n_frames--); +} + +/**********************************************************************//** +Allocate a buffer block to the buddy allocator. */ +static +void +buf_buddy_block_register( +/*=====================*/ + buf_block_t* block) /*!< in: buffer frame to allocate */ +{ + const ulint fold = BUF_POOL_ZIP_FOLD(block); + ut_ad(buf_pool_mutex_own()); + ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_READY_FOR_USE); + + buf_block_set_state(block, BUF_BLOCK_MEMORY); + + ut_a(block->frame); + ut_a(!ut_align_offset(block->frame, UNIV_PAGE_SIZE)); + + ut_ad(!block->page.in_page_hash); + ut_ad(!block->page.in_zip_hash); + ut_d(block->page.in_zip_hash = TRUE); + HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); + + ut_d(buf_buddy_n_frames++); +} + +/**********************************************************************//** +Allocate a block from a bigger object. +@return allocated block */ +static +void* +buf_buddy_alloc_from( +/*=================*/ + void* buf, /*!< in: a block that is free to use */ + ulint i, /*!< in: index of buf_pool->zip_free[] */ + ulint j) /*!< in: size of buf as an index + of buf_pool->zip_free[] */ +{ + ulint offs = BUF_BUDDY_LOW << j; + ut_ad(j <= BUF_BUDDY_SIZES); + ut_ad(j >= i); + ut_ad(!ut_align_offset(buf, offs)); + + /* Add the unused parts of the block to the free lists. */ + while (j > i) { + buf_page_t* bpage; + + offs >>= 1; + j--; + + bpage = (buf_page_t*) ((byte*) buf + offs); + ut_d(memset(bpage, j, BUF_BUDDY_LOW << j)); + bpage->state = BUF_BLOCK_ZIP_FREE; +#ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing free memory. */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state( + ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); +#endif /* !UNIV_DEBUG_VALGRIND */ + buf_buddy_add_to_free(bpage, j); + } + + return(buf); +} + +/**********************************************************************//** +Allocate a block. The thread calling this function must hold +buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. +The buf_pool_mutex may only be released and reacquired if lru != NULL. +@return allocated block, possibly NULL if lru==NULL */ +UNIV_INTERN +void* +buf_buddy_alloc_low( +/*================*/ + ulint i, /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ + ibool* lru) /*!< in: pointer to a variable that will be assigned + TRUE if storage was allocated from the LRU list + and buf_pool_mutex was temporarily released, + or NULL if the LRU list should not be used */ +{ + buf_block_t* block; + + ut_ad(buf_pool_mutex_own()); + ut_ad(!mutex_own(&buf_pool_zip_mutex)); + + if (i < BUF_BUDDY_SIZES) { + /* Try to allocate from the buddy system. */ + block = buf_buddy_alloc_zip(i); + + if (block) { + + goto func_exit; + } + } + + /* Try allocating from the buf_pool->free list. */ + block = buf_LRU_get_free_only(); + + if (block) { + + goto alloc_big; + } + + if (!lru) { + + return(NULL); + } + + /* Try replacing an uncompressed page in the buffer pool. */ + buf_pool_mutex_exit(); + block = buf_LRU_get_free_block(0); + *lru = TRUE; + buf_pool_mutex_enter(); + +alloc_big: + buf_buddy_block_register(block); + + block = buf_buddy_alloc_from(block->frame, i, BUF_BUDDY_SIZES); + +func_exit: + buf_buddy_stat[i].used++; + return(block); +} + +/**********************************************************************//** +Try to relocate the control block of a compressed page. +@return TRUE if relocated */ +static +ibool +buf_buddy_relocate_block( +/*=====================*/ + buf_page_t* bpage, /*!< in: block to relocate */ + buf_page_t* dpage) /*!< in: free block to relocate to */ +{ + buf_page_t* b; + + ut_ad(buf_pool_mutex_own()); + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_FILE_PAGE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + case BUF_BLOCK_ZIP_DIRTY: + /* Cannot relocate dirty pages. */ + return(FALSE); + + case BUF_BLOCK_ZIP_PAGE: + break; + } + + mutex_enter(&buf_pool_zip_mutex); + + if (!buf_page_can_relocate(bpage)) { + mutex_exit(&buf_pool_zip_mutex); + return(FALSE); + } + + buf_relocate(bpage, dpage); + ut_d(bpage->state = BUF_BLOCK_ZIP_FREE); + + /* relocate buf_pool->zip_clean */ + b = UT_LIST_GET_PREV(list, dpage); + UT_LIST_REMOVE(list, buf_pool->zip_clean, dpage); + + if (b) { + UT_LIST_INSERT_AFTER(list, buf_pool->zip_clean, b, dpage); + } else { + UT_LIST_ADD_FIRST(list, buf_pool->zip_clean, dpage); + } + + UNIV_MEM_INVALID(bpage, sizeof *bpage); + + mutex_exit(&buf_pool_zip_mutex); + return(TRUE); +} + +/**********************************************************************//** +Try to relocate a block. +@return TRUE if relocated */ +static +ibool +buf_buddy_relocate( +/*===============*/ + void* src, /*!< in: block to relocate */ + void* dst, /*!< in: free block to relocate to */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ +{ + buf_page_t* bpage; + const ulint size = BUF_BUDDY_LOW << i; + ullint usec = ut_time_us(NULL); + + ut_ad(buf_pool_mutex_own()); + ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(!ut_align_offset(src, size)); + ut_ad(!ut_align_offset(dst, size)); + UNIV_MEM_ASSERT_W(dst, size); + + /* We assume that all memory from buf_buddy_alloc() + is used for either compressed pages or buf_page_t + objects covering compressed pages. */ + + /* We look inside the allocated objects returned by + buf_buddy_alloc() and assume that anything of + PAGE_ZIP_MIN_SIZE or larger is a compressed page that contains + a valid space_id and page_no in the page header. Should the + fields be invalid, we will be unable to relocate the block. + We also assume that anything that fits sizeof(buf_page_t) + actually is a properly initialized buf_page_t object. */ + + if (size >= PAGE_ZIP_MIN_SIZE) { + /* This is a compressed page. */ + mutex_t* mutex; + + /* The src block may be split into smaller blocks, + some of which may be free. Thus, the + mach_read_from_4() calls below may attempt to read + from free memory. The memory is "owned" by the buddy + allocator (and it has been allocated from the buffer + pool), so there is nothing wrong about this. The + mach_read_from_4() calls here will only trigger bogus + Valgrind memcheck warnings in UNIV_DEBUG_VALGRIND builds. */ + bpage = buf_page_hash_get( + mach_read_from_4((const byte*) src + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID), + mach_read_from_4((const byte*) src + + FIL_PAGE_OFFSET)); + + if (!bpage || bpage->zip.data != src) { + /* The block has probably been freshly + allocated by buf_LRU_get_free_block() but not + added to buf_pool->page_hash yet. Obviously, + it cannot be relocated. */ + + return(FALSE); + } + + ut_ad(!buf_pool_watch_is(bpage)); + + if (page_zip_get_size(&bpage->zip) != size) { + /* The block is of different size. We would + have to relocate all blocks covered by src. + For the sake of simplicity, give up. */ + ut_ad(page_zip_get_size(&bpage->zip) < size); + + return(FALSE); + } + + /* The block must have been allocated, but it may + contain uninitialized data. */ + UNIV_MEM_ASSERT_W(src, size); + + mutex = buf_page_get_mutex(bpage); + + mutex_enter(mutex); + + if (buf_page_can_relocate(bpage)) { + /* Relocate the compressed page. */ + ut_a(bpage->zip.data == src); + memcpy(dst, src, size); + bpage->zip.data = dst; + mutex_exit(mutex); +success: + UNIV_MEM_INVALID(src, size); + { + buf_buddy_stat_t* buddy_stat + = &buf_buddy_stat[i]; + buddy_stat->relocated++; + buddy_stat->relocated_usec + += ut_time_us(NULL) - usec; + } + return(TRUE); + } + + mutex_exit(mutex); + } else if (i == buf_buddy_get_slot(sizeof(buf_page_t))) { + /* This must be a buf_page_t object. */ + UNIV_MEM_ASSERT_RW(src, size); + if (buf_buddy_relocate_block(src, dst)) { + + goto success; + } + } + + return(FALSE); +} + +/**********************************************************************//** +Deallocate a block. */ +UNIV_INTERN +void +buf_buddy_free_low( +/*===============*/ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint i) /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ +{ + buf_page_t* bpage; + buf_page_t* buddy; + + ut_ad(buf_pool_mutex_own()); + ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(i <= BUF_BUDDY_SIZES); + ut_ad(buf_buddy_stat[i].used > 0); + + buf_buddy_stat[i].used--; +recombine: + UNIV_MEM_ASSERT_AND_ALLOC(buf, BUF_BUDDY_LOW << i); + ut_d(((buf_page_t*) buf)->state = BUF_BLOCK_ZIP_FREE); + + if (i == BUF_BUDDY_SIZES) { + buf_buddy_block_free(buf); + return; + } + + ut_ad(i < BUF_BUDDY_SIZES); + ut_ad(buf == ut_align_down(buf, BUF_BUDDY_LOW << i)); + ut_ad(!buf_pool_contains_zip(buf)); + + /* Try to combine adjacent blocks. */ + + buddy = (buf_page_t*) buf_buddy_get(((byte*) buf), BUF_BUDDY_LOW << i); + +#ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing free memory. */ + + if (buddy->state != BUF_BLOCK_ZIP_FREE) { + + goto buddy_nonfree; + } + + /* The field buddy->state can only be trusted for free blocks. + If buddy->state == BUF_BLOCK_ZIP_FREE, the block is free if + it is in the free list. */ +#endif /* !UNIV_DEBUG_VALGRIND */ + + for (bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); bpage; ) { + UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); + + if (bpage == buddy) { +buddy_free: + /* The buddy is free: recombine */ + buf_buddy_remove_from_free(bpage, i); +buddy_free2: + ut_ad(buf_page_get_state(buddy) == BUF_BLOCK_ZIP_FREE); + ut_ad(!buf_pool_contains_zip(buddy)); + i++; + buf = ut_align_down(buf, BUF_BUDDY_LOW << i); + + goto recombine; + } + + ut_a(bpage != buf); + + { + buf_page_t* next = UT_LIST_GET_NEXT(list, bpage); + UNIV_MEM_ASSERT_AND_FREE(bpage, BUF_BUDDY_LOW << i); + bpage = next; + } + } + +#ifndef UNIV_DEBUG_VALGRIND +buddy_nonfree: + /* Valgrind would complain about accessing free memory. */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state(ut_list_node_313) + == BUF_BLOCK_ZIP_FREE))); +#endif /* UNIV_DEBUG_VALGRIND */ + + /* The buddy is not free. Is there a free block of this size? */ + bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); + + if (bpage) { + /* Remove the block from the free list, because a successful + buf_buddy_relocate() will overwrite bpage->list. */ + + UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); + buf_buddy_remove_from_free(bpage, i); + + /* Try to relocate the buddy of buf to the free block. */ + if (buf_buddy_relocate(buddy, bpage, i)) { + + ut_d(buddy->state = BUF_BLOCK_ZIP_FREE); + goto buddy_free2; + } + + buf_buddy_add_to_free(bpage, i); + + /* Try to relocate the buddy of the free block to buf. */ + buddy = (buf_page_t*) buf_buddy_get(((byte*) bpage), + BUF_BUDDY_LOW << i); + +#ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing free memory. */ + + /* The buddy must not be (completely) free, because we + always recombine adjacent free blocks. + + (Parts of the buddy can be free in + buf_pool->zip_free[j] with j < i.) */ + ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], + ut_ad(buf_page_get_state( + ut_list_node_313) + == BUF_BLOCK_ZIP_FREE + && ut_list_node_313 != buddy))); +#endif /* !UNIV_DEBUG_VALGRIND */ + + if (buf_buddy_relocate(buddy, buf, i)) { + + buf = bpage; + UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); + ut_d(buddy->state = BUF_BLOCK_ZIP_FREE); + goto buddy_free; + } + } + + /* Free the block to the buddy list. */ + bpage = buf; +#ifdef UNIV_DEBUG + if (i < buf_buddy_get_slot(PAGE_ZIP_MIN_SIZE)) { + /* This area has most likely been allocated for at + least one compressed-only block descriptor. Check + that there are no live objects in the area. This is + not a complete check: it may yield false positives as + well as false negatives. Also, due to buddy blocks + being recombined, it is possible (although unlikely) + that this branch is never reached. */ + + char* c; + +# ifndef UNIV_DEBUG_VALGRIND + /* Valgrind would complain about accessing + uninitialized memory. Besides, Valgrind performs a + more exhaustive check, at every memory access. */ + const buf_page_t* b = buf; + const buf_page_t* const b_end = (buf_page_t*) + ((char*) b + (BUF_BUDDY_LOW << i)); + + for (; b < b_end; b++) { + /* Avoid false positives (and cause false + negatives) by checking for b->space < 1000. */ + + if ((b->state == BUF_BLOCK_ZIP_PAGE + || b->state == BUF_BLOCK_ZIP_DIRTY) + && b->space > 0 && b->space < 1000) { + fprintf(stderr, + "buddy dirty %p %u (%u,%u) %p,%lu\n", + (void*) b, + b->state, b->space, b->offset, + buf, i); + } + } +# endif /* !UNIV_DEBUG_VALGRIND */ + + /* Scramble the block. This should make any pointers + invalid and trigger a segmentation violation. Because + the scrambling can be reversed, it may be possible to + track down the object pointing to the freed data by + dereferencing the unscrambled bpage->LRU or + bpage->list pointers. */ + for (c = (char*) buf + (BUF_BUDDY_LOW << i); + c-- > (char*) buf; ) { + *c = ~*c ^ i; + } + } else { + /* Fill large blocks with a constant pattern. */ + memset(bpage, i, BUF_BUDDY_LOW << i); + } +#endif /* UNIV_DEBUG */ + bpage->state = BUF_BLOCK_ZIP_FREE; + buf_buddy_add_to_free(bpage, i); +} diff --git a/perfschema/buf/buf0buf.c b/perfschema/buf/buf0buf.c new file mode 100644 index 00000000000..a4d091cdc34 --- /dev/null +++ b/perfschema/buf/buf0buf.c @@ -0,0 +1,4346 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file buf/buf0buf.c +The database buffer buf_pool + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#include "buf0buf.h" + +#ifdef UNIV_NONINL +#include "buf0buf.ic" +#endif + +#include "mem0mem.h" +#include "btr0btr.h" +#include "fil0fil.h" +#ifndef UNIV_HOTBACKUP +#include "buf0buddy.h" +#include "lock0lock.h" +#include "btr0sea.h" +#include "ibuf0ibuf.h" +#include "trx0undo.h" +#include "log0log.h" +#endif /* !UNIV_HOTBACKUP */ +#include "srv0srv.h" +#include "dict0dict.h" +#include "log0recv.h" +#include "page0zip.h" + +/* + IMPLEMENTATION OF THE BUFFER POOL + ================================= + +Performance improvement: +------------------------ +Thread scheduling in NT may be so slow that the OS wait mechanism should +not be used even in waiting for disk reads to complete. +Rather, we should put waiting query threads to the queue of +waiting jobs, and let the OS thread do something useful while the i/o +is processed. In this way we could remove most OS thread switches in +an i/o-intensive benchmark like TPC-C. + +A possibility is to put a user space thread library between the database +and NT. User space thread libraries might be very fast. + +SQL Server 7.0 can be configured to use 'fibers' which are lightweight +threads in NT. These should be studied. + + Buffer frames and blocks + ------------------------ +Following the terminology of Gray and Reuter, we call the memory +blocks where file pages are loaded buffer frames. For each buffer +frame there is a control block, or shortly, a block, in the buffer +control array. The control info which does not need to be stored +in the file along with the file page, resides in the control block. + + Buffer pool struct + ------------------ +The buffer buf_pool contains a single mutex which protects all the +control data structures of the buf_pool. The content of a buffer frame is +protected by a separate read-write lock in its control block, though. +These locks can be locked and unlocked without owning the buf_pool mutex. +The OS events in the buf_pool struct can be waited for without owning the +buf_pool mutex. + +The buf_pool mutex is a hot-spot in main memory, causing a lot of +memory bus traffic on multiprocessor systems when processors +alternately access the mutex. On our Pentium, the mutex is accessed +maybe every 10 microseconds. We gave up the solution to have mutexes +for each control block, for instance, because it seemed to be +complicated. + +A solution to reduce mutex contention of the buf_pool mutex is to +create a separate mutex for the page hash table. On Pentium, +accessing the hash table takes 2 microseconds, about half +of the total buf_pool mutex hold time. + + Control blocks + -------------- + +The control block contains, for instance, the bufferfix count +which is incremented when a thread wants a file page to be fixed +in a buffer frame. The bufferfix operation does not lock the +contents of the frame, however. For this purpose, the control +block contains a read-write lock. + +The buffer frames have to be aligned so that the start memory +address of a frame is divisible by the universal page size, which +is a power of two. + +We intend to make the buffer buf_pool size on-line reconfigurable, +that is, the buf_pool size can be changed without closing the database. +Then the database administarator may adjust it to be bigger +at night, for example. The control block array must +contain enough control blocks for the maximum buffer buf_pool size +which is used in the particular database. +If the buf_pool size is cut, we exploit the virtual memory mechanism of +the OS, and just refrain from using frames at high addresses. Then the OS +can swap them to disk. + +The control blocks containing file pages are put to a hash table +according to the file address of the page. +We could speed up the access to an individual page by using +"pointer swizzling": we could replace the page references on +non-leaf index pages by direct pointers to the page, if it exists +in the buf_pool. We could make a separate hash table where we could +chain all the page references in non-leaf pages residing in the buf_pool, +using the page reference as the hash key, +and at the time of reading of a page update the pointers accordingly. +Drawbacks of this solution are added complexity and, +possibly, extra space required on non-leaf pages for memory pointers. +A simpler solution is just to speed up the hash table mechanism +in the database, using tables whose size is a power of 2. + + Lists of blocks + --------------- + +There are several lists of control blocks. + +The free list (buf_pool->free) contains blocks which are currently not +used. + +The common LRU list contains all the blocks holding a file page +except those for which the bufferfix count is non-zero. +The pages are in the LRU list roughly in the order of the last +access to the page, so that the oldest pages are at the end of the +list. We also keep a pointer to near the end of the LRU list, +which we can use when we want to artificially age a page in the +buf_pool. This is used if we know that some page is not needed +again for some time: we insert the block right after the pointer, +causing it to be replaced sooner than would normally be the case. +Currently this aging mechanism is used for read-ahead mechanism +of pages, and it can also be used when there is a scan of a full +table which cannot fit in the memory. Putting the pages near the +end of the LRU list, we make sure that most of the buf_pool stays +in the main memory, undisturbed. + +The unzip_LRU list contains a subset of the common LRU list. The +blocks on the unzip_LRU list hold a compressed file page and the +corresponding uncompressed page frame. A block is in unzip_LRU if and +only if the predicate buf_page_belongs_to_unzip_LRU(&block->page) +holds. The blocks in unzip_LRU will be in same order as they are in +the common LRU list. That is, each manipulation of the common LRU +list will result in the same manipulation of the unzip_LRU list. + +The chain of modified blocks (buf_pool->flush_list) contains the blocks +holding file pages that have been modified in the memory +but not written to disk yet. The block with the oldest modification +which has not yet been written to disk is at the end of the chain. +The access to this list is protected by flush_list_mutex. + +The chain of unmodified compressed blocks (buf_pool->zip_clean) +contains the control blocks (buf_page_t) of those compressed pages +that are not in buf_pool->flush_list and for which no uncompressed +page has been allocated in the buffer pool. The control blocks for +uncompressed pages are accessible via buf_block_t objects that are +reachable via buf_pool->chunks[]. + +The chains of free memory blocks (buf_pool->zip_free[]) are used by +the buddy allocator (buf0buddy.c) to keep track of currently unused +memory blocks of size sizeof(buf_page_t)..UNIV_PAGE_SIZE / 2. These +blocks are inside the UNIV_PAGE_SIZE-sized memory blocks of type +BUF_BLOCK_MEMORY that the buddy allocator requests from the buffer +pool. The buddy allocator is solely used for allocating control +blocks for compressed pages (buf_page_t) and compressed page frames. + + Loading a file page + ------------------- + +First, a victim block for replacement has to be found in the +buf_pool. It is taken from the free list or searched for from the +end of the LRU-list. An exclusive lock is reserved for the frame, +the io_fix field is set in the block fixing the block in buf_pool, +and the io-operation for loading the page is queued. The io-handler thread +releases the X-lock on the frame and resets the io_fix field +when the io operation completes. + +A thread may request the above operation using the function +buf_page_get(). It may then continue to request a lock on the frame. +The lock is granted when the io-handler releases the x-lock. + + Read-ahead + ---------- + +The read-ahead mechanism is intended to be intelligent and +isolated from the semantically higher levels of the database +index management. From the higher level we only need the +information if a file page has a natural successor or +predecessor page. On the leaf level of a B-tree index, +these are the next and previous pages in the natural +order of the pages. + +Let us first explain the read-ahead mechanism when the leafs +of a B-tree are scanned in an ascending or descending order. +When a read page is the first time referenced in the buf_pool, +the buffer manager checks if it is at the border of a so-called +linear read-ahead area. The tablespace is divided into these +areas of size 64 blocks, for example. So if the page is at the +border of such an area, the read-ahead mechanism checks if +all the other blocks in the area have been accessed in an +ascending or descending order. If this is the case, the system +looks at the natural successor or predecessor of the page, +checks if that is at the border of another area, and in this case +issues read-requests for all the pages in that area. Maybe +we could relax the condition that all the pages in the area +have to be accessed: if data is deleted from a table, there may +appear holes of unused pages in the area. + +A different read-ahead mechanism is used when there appears +to be a random access pattern to a file. +If a new page is referenced in the buf_pool, and several pages +of its random access area (for instance, 32 consecutive pages +in a tablespace) have recently been referenced, we may predict +that the whole area may be needed in the near future, and issue +the read requests for the whole area. +*/ + +#ifndef UNIV_HOTBACKUP +/** Value in microseconds */ +static const int WAIT_FOR_READ = 5000; +/** Number of attemtps made to read in a page in the buffer pool */ +static const ulint BUF_PAGE_READ_MAX_RETRIES = 100; + +/** The buffer buf_pool of the database */ +UNIV_INTERN buf_pool_t* buf_pool = NULL; + +/** mutex protecting the buffer pool struct and control blocks, except the +read-write lock in them */ +UNIV_INTERN mutex_t buf_pool_mutex; +/** mutex protecting the control blocks of compressed-only pages +(of type buf_page_t, not buf_block_t) */ +UNIV_INTERN mutex_t buf_pool_zip_mutex; + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +static ulint buf_dbg_counter = 0; /*!< This is used to insert validation + operations in excution in the + debug version */ +/** Flag to forbid the release of the buffer pool mutex. +Protected by buf_pool_mutex. */ +UNIV_INTERN ulint buf_pool_mutex_exit_forbidden = 0; +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_DEBUG +/** If this is set TRUE, the program prints info whenever +read-ahead or flush occurs */ +UNIV_INTERN ibool buf_debug_prints = FALSE; +#endif /* UNIV_DEBUG */ + +/** A chunk of buffers. The buffer pool is allocated in chunks. */ +struct buf_chunk_struct{ + ulint mem_size; /*!< allocated size of the chunk */ + ulint size; /*!< size of frames[] and blocks[] */ + void* mem; /*!< pointer to the memory area which + was allocated for the frames */ + buf_block_t* blocks; /*!< array of buffer control blocks */ +}; +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Calculates a page checksum which is stored to the page when it is written +to a file. Note that we must be careful to calculate the same value on +32-bit and 64-bit architectures. +@return checksum */ +UNIV_INTERN +ulint +buf_calc_page_new_checksum( +/*=======================*/ + const byte* page) /*!< in: buffer page */ +{ + ulint checksum; + + /* Since the field FIL_PAGE_FILE_FLUSH_LSN, and in versions <= 4.1.x + ..._ARCH_LOG_NO, are written outside the buffer pool to the first + pages of data files, we have to skip them in the page checksum + calculation. + We must also skip the field FIL_PAGE_SPACE_OR_CHKSUM where the + checksum is stored, and also the last 8 bytes of page because + there we store the old formula checksum. */ + + checksum = ut_fold_binary(page + FIL_PAGE_OFFSET, + FIL_PAGE_FILE_FLUSH_LSN - FIL_PAGE_OFFSET) + + ut_fold_binary(page + FIL_PAGE_DATA, + UNIV_PAGE_SIZE - FIL_PAGE_DATA + - FIL_PAGE_END_LSN_OLD_CHKSUM); + checksum = checksum & 0xFFFFFFFFUL; + + return(checksum); +} + +/********************************************************************//** +In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only +looked at the first few bytes of the page. This calculates that old +checksum. +NOTE: we must first store the new formula checksum to +FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum +because this takes that field as an input! +@return checksum */ +UNIV_INTERN +ulint +buf_calc_page_old_checksum( +/*=======================*/ + const byte* page) /*!< in: buffer page */ +{ + ulint checksum; + + checksum = ut_fold_binary(page, FIL_PAGE_FILE_FLUSH_LSN); + + checksum = checksum & 0xFFFFFFFFUL; + + return(checksum); +} + +/********************************************************************//** +Checks if a page is corrupt. +@return TRUE if corrupted */ +UNIV_INTERN +ibool +buf_page_is_corrupted( +/*==================*/ + const byte* read_buf, /*!< in: a database page */ + ulint zip_size) /*!< in: size of compressed page; + 0 for uncompressed pages */ +{ + ulint checksum_field; + ulint old_checksum_field; + + if (UNIV_LIKELY(!zip_size) + && memcmp(read_buf + FIL_PAGE_LSN + 4, + read_buf + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4, 4)) { + + /* Stored log sequence numbers at the start and the end + of page do not match */ + + return(TRUE); + } + +#ifndef UNIV_HOTBACKUP + if (recv_lsn_checks_on) { + ib_uint64_t current_lsn; + + if (log_peek_lsn(¤t_lsn) + && current_lsn < mach_read_ull(read_buf + FIL_PAGE_LSN)) { + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: page %lu log sequence number" + " %llu\n" + "InnoDB: is in the future! Current system " + "log sequence number %llu.\n" + "InnoDB: Your database may be corrupt or " + "you may have copied the InnoDB\n" + "InnoDB: tablespace but not the InnoDB " + "log files. See\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" + "InnoDB: for more information.\n", + (ulong) mach_read_from_4(read_buf + + FIL_PAGE_OFFSET), + mach_read_ull(read_buf + FIL_PAGE_LSN), + current_lsn); + } + } +#endif + + /* If we use checksums validation, make additional check before + returning TRUE to ensure that the checksum is not equal to + BUF_NO_CHECKSUM_MAGIC which might be stored by InnoDB with checksums + disabled. Otherwise, skip checksum calculation and return FALSE */ + + if (UNIV_LIKELY(srv_use_checksums)) { + checksum_field = mach_read_from_4(read_buf + + FIL_PAGE_SPACE_OR_CHKSUM); + + if (UNIV_UNLIKELY(zip_size)) { + return(checksum_field != BUF_NO_CHECKSUM_MAGIC + && checksum_field + != page_zip_calc_checksum(read_buf, zip_size)); + } + + old_checksum_field = mach_read_from_4( + read_buf + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM); + + /* There are 2 valid formulas for old_checksum_field: + + 1. Very old versions of InnoDB only stored 8 byte lsn to the + start and the end of the page. + + 2. Newer InnoDB versions store the old formula checksum + there. */ + + if (old_checksum_field != mach_read_from_4(read_buf + + FIL_PAGE_LSN) + && old_checksum_field != BUF_NO_CHECKSUM_MAGIC + && old_checksum_field + != buf_calc_page_old_checksum(read_buf)) { + + return(TRUE); + } + + /* InnoDB versions < 4.0.14 and < 4.1.1 stored the space id + (always equal to 0), to FIL_PAGE_SPACE_OR_CHKSUM */ + + if (checksum_field != 0 + && checksum_field != BUF_NO_CHECKSUM_MAGIC + && checksum_field + != buf_calc_page_new_checksum(read_buf)) { + + return(TRUE); + } + } + + return(FALSE); +} + +/********************************************************************//** +Prints a page to stderr. */ +UNIV_INTERN +void +buf_page_print( +/*===========*/ + const byte* read_buf, /*!< in: a database page */ + ulint zip_size) /*!< in: compressed page size, or + 0 for uncompressed pages */ +{ +#ifndef UNIV_HOTBACKUP + dict_index_t* index; +#endif /* !UNIV_HOTBACKUP */ + ulint checksum; + ulint old_checksum; + ulint size = zip_size; + + if (!size) { + size = UNIV_PAGE_SIZE; + } + + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Page dump in ascii and hex (%lu bytes):\n", + (ulong) size); + ut_print_buf(stderr, read_buf, size); + fputs("\nInnoDB: End of page dump\n", stderr); + + if (zip_size) { + /* Print compressed page. */ + + switch (fil_page_get_type(read_buf)) { + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + checksum = srv_use_checksums + ? page_zip_calc_checksum(read_buf, zip_size) + : BUF_NO_CHECKSUM_MAGIC; + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Compressed BLOB page" + " checksum %lu, stored %lu\n" + "InnoDB: Page lsn %lu %lu\n" + "InnoDB: Page number (if stored" + " to page already) %lu,\n" + "InnoDB: space id (if stored" + " to page already) %lu\n", + (ulong) checksum, + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_SPACE_OR_CHKSUM), + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_LSN), + (ulong) mach_read_from_4( + read_buf + (FIL_PAGE_LSN + 4)), + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_OFFSET), + (ulong) mach_read_from_4( + read_buf + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); + return; + default: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: unknown page type %lu," + " assuming FIL_PAGE_INDEX\n", + fil_page_get_type(read_buf)); + /* fall through */ + case FIL_PAGE_INDEX: + checksum = srv_use_checksums + ? page_zip_calc_checksum(read_buf, zip_size) + : BUF_NO_CHECKSUM_MAGIC; + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Compressed page checksum %lu," + " stored %lu\n" + "InnoDB: Page lsn %lu %lu\n" + "InnoDB: Page number (if stored" + " to page already) %lu,\n" + "InnoDB: space id (if stored" + " to page already) %lu\n", + (ulong) checksum, + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_SPACE_OR_CHKSUM), + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_LSN), + (ulong) mach_read_from_4( + read_buf + (FIL_PAGE_LSN + 4)), + (ulong) mach_read_from_4( + read_buf + FIL_PAGE_OFFSET), + (ulong) mach_read_from_4( + read_buf + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); + return; + case FIL_PAGE_TYPE_XDES: + /* This is an uncompressed page. */ + break; + } + } + + checksum = srv_use_checksums + ? buf_calc_page_new_checksum(read_buf) : BUF_NO_CHECKSUM_MAGIC; + old_checksum = srv_use_checksums + ? buf_calc_page_old_checksum(read_buf) : BUF_NO_CHECKSUM_MAGIC; + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Page checksum %lu, prior-to-4.0.14-form" + " checksum %lu\n" + "InnoDB: stored checksum %lu, prior-to-4.0.14-form" + " stored checksum %lu\n" + "InnoDB: Page lsn %lu %lu, low 4 bytes of lsn" + " at page end %lu\n" + "InnoDB: Page number (if stored to page already) %lu,\n" + "InnoDB: space id (if created with >= MySQL-4.1.1" + " and stored already) %lu\n", + (ulong) checksum, (ulong) old_checksum, + (ulong) mach_read_from_4(read_buf + FIL_PAGE_SPACE_OR_CHKSUM), + (ulong) mach_read_from_4(read_buf + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM), + (ulong) mach_read_from_4(read_buf + FIL_PAGE_LSN), + (ulong) mach_read_from_4(read_buf + FIL_PAGE_LSN + 4), + (ulong) mach_read_from_4(read_buf + UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), + (ulong) mach_read_from_4(read_buf + FIL_PAGE_OFFSET), + (ulong) mach_read_from_4(read_buf + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); + +#ifndef UNIV_HOTBACKUP + if (mach_read_from_2(read_buf + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_TYPE) + == TRX_UNDO_INSERT) { + fprintf(stderr, + "InnoDB: Page may be an insert undo log page\n"); + } else if (mach_read_from_2(read_buf + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_TYPE) + == TRX_UNDO_UPDATE) { + fprintf(stderr, + "InnoDB: Page may be an update undo log page\n"); + } +#endif /* !UNIV_HOTBACKUP */ + + switch (fil_page_get_type(read_buf)) { + case FIL_PAGE_INDEX: + fprintf(stderr, + "InnoDB: Page may be an index page where" + " index id is %lu %lu\n", + (ulong) ut_dulint_get_high( + btr_page_get_index_id(read_buf)), + (ulong) ut_dulint_get_low( + btr_page_get_index_id(read_buf))); +#ifndef UNIV_HOTBACKUP + index = dict_index_find_on_id_low( + btr_page_get_index_id(read_buf)); + if (index) { + fputs("InnoDB: (", stderr); + dict_index_name_print(stderr, NULL, index); + fputs(")\n", stderr); + } +#endif /* !UNIV_HOTBACKUP */ + break; + case FIL_PAGE_INODE: + fputs("InnoDB: Page may be an 'inode' page\n", stderr); + break; + case FIL_PAGE_IBUF_FREE_LIST: + fputs("InnoDB: Page may be an insert buffer free list page\n", + stderr); + break; + case FIL_PAGE_TYPE_ALLOCATED: + fputs("InnoDB: Page may be a freshly allocated page\n", + stderr); + break; + case FIL_PAGE_IBUF_BITMAP: + fputs("InnoDB: Page may be an insert buffer bitmap page\n", + stderr); + break; + case FIL_PAGE_TYPE_SYS: + fputs("InnoDB: Page may be a system page\n", + stderr); + break; + case FIL_PAGE_TYPE_TRX_SYS: + fputs("InnoDB: Page may be a transaction system page\n", + stderr); + break; + case FIL_PAGE_TYPE_FSP_HDR: + fputs("InnoDB: Page may be a file space header page\n", + stderr); + break; + case FIL_PAGE_TYPE_XDES: + fputs("InnoDB: Page may be an extent descriptor page\n", + stderr); + break; + case FIL_PAGE_TYPE_BLOB: + fputs("InnoDB: Page may be a BLOB page\n", + stderr); + break; + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + fputs("InnoDB: Page may be a compressed BLOB page\n", + stderr); + break; + } +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Initializes a buffer control block when the buf_pool is created. */ +static +void +buf_block_init( +/*===========*/ + buf_block_t* block, /*!< in: pointer to control block */ + byte* frame) /*!< in: pointer to buffer frame */ +{ + UNIV_MEM_DESC(frame, UNIV_PAGE_SIZE, block); + + block->frame = frame; + + block->page.state = BUF_BLOCK_NOT_USED; + block->page.buf_fix_count = 0; + block->page.io_fix = BUF_IO_NONE; + + block->modify_clock = 0; + +#ifdef UNIV_DEBUG_FILE_ACCESSES + block->page.file_page_was_freed = FALSE; +#endif /* UNIV_DEBUG_FILE_ACCESSES */ + + block->check_index_page_at_flush = FALSE; + block->index = NULL; + +#ifdef UNIV_DEBUG + block->page.in_page_hash = FALSE; + block->page.in_zip_hash = FALSE; + block->page.in_flush_list = FALSE; + block->page.in_free_list = FALSE; + block->page.in_LRU_list = FALSE; + block->in_unzip_LRU_list = FALSE; +#endif /* UNIV_DEBUG */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + block->n_pointers = 0; +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + page_zip_des_init(&block->page.zip); + + mutex_create(&block->mutex, SYNC_BUF_BLOCK); + + rw_lock_create(&block->lock, SYNC_LEVEL_VARYING); + ut_ad(rw_lock_validate(&(block->lock))); + +#ifdef UNIV_SYNC_DEBUG + rw_lock_create(&block->debug_latch, SYNC_NO_ORDER_CHECK); +#endif /* UNIV_SYNC_DEBUG */ +} + +/********************************************************************//** +Allocates a chunk of buffer frames. +@return chunk, or NULL on failure */ +static +buf_chunk_t* +buf_chunk_init( +/*===========*/ + buf_chunk_t* chunk, /*!< out: chunk of buffers */ + ulint mem_size) /*!< in: requested size in bytes */ +{ + buf_block_t* block; + byte* frame; + ulint i; + + /* Round down to a multiple of page size, + although it already should be. */ + mem_size = ut_2pow_round(mem_size, UNIV_PAGE_SIZE); + /* Reserve space for the block descriptors. */ + mem_size += ut_2pow_round((mem_size / UNIV_PAGE_SIZE) * (sizeof *block) + + (UNIV_PAGE_SIZE - 1), UNIV_PAGE_SIZE); + + chunk->mem_size = mem_size; + chunk->mem = os_mem_alloc_large(&chunk->mem_size); + + if (UNIV_UNLIKELY(chunk->mem == NULL)) { + + return(NULL); + } + + /* Allocate the block descriptors from + the start of the memory block. */ + chunk->blocks = chunk->mem; + + /* Align a pointer to the first frame. Note that when + os_large_page_size is smaller than UNIV_PAGE_SIZE, + we may allocate one fewer block than requested. When + it is bigger, we may allocate more blocks than requested. */ + + frame = ut_align(chunk->mem, UNIV_PAGE_SIZE); + chunk->size = chunk->mem_size / UNIV_PAGE_SIZE + - (frame != chunk->mem); + + /* Subtract the space needed for block descriptors. */ + { + ulint size = chunk->size; + + while (frame < (byte*) (chunk->blocks + size)) { + frame += UNIV_PAGE_SIZE; + size--; + } + + chunk->size = size; + } + + /* Init block structs and assign frames for them. Then we + assign the frames to the first blocks (we already mapped the + memory above). */ + + block = chunk->blocks; + + for (i = chunk->size; i--; ) { + + buf_block_init(block, frame); + +#ifdef HAVE_purify + /* Wipe contents of frame to eliminate a Purify warning */ + memset(block->frame, '\0', UNIV_PAGE_SIZE); +#endif + /* Add the block to the free list */ + UT_LIST_ADD_LAST(list, buf_pool->free, (&block->page)); + ut_d(block->page.in_free_list = TRUE); + + block++; + frame += UNIV_PAGE_SIZE; + } + + return(chunk); +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Finds a block in the given buffer chunk that points to a +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ +static +buf_block_t* +buf_chunk_contains_zip( +/*===================*/ + buf_chunk_t* chunk, /*!< in: chunk being checked */ + const void* data) /*!< in: pointer to compressed page */ +{ + buf_block_t* block; + ulint i; + + ut_ad(buf_pool); + ut_ad(buf_pool_mutex_own()); + + block = chunk->blocks; + + for (i = chunk->size; i--; block++) { + if (block->page.zip.data == data) { + + return(block); + } + } + + return(NULL); +} + +/*********************************************************************//** +Finds a block in the buffer pool that points to a +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ +UNIV_INTERN +buf_block_t* +buf_pool_contains_zip( +/*==================*/ + const void* data) /*!< in: pointer to compressed page */ +{ + ulint n; + buf_chunk_t* chunk = buf_pool->chunks; + + for (n = buf_pool->n_chunks; n--; chunk++) { + buf_block_t* block = buf_chunk_contains_zip(chunk, data); + + if (block) { + return(block); + } + } + + return(NULL); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Checks that all file pages in the buffer chunk are in a replaceable state. +@return address of a non-free block, or NULL if all freed */ +static +const buf_block_t* +buf_chunk_not_freed( +/*================*/ + buf_chunk_t* chunk) /*!< in: chunk being checked */ +{ + buf_block_t* block; + ulint i; + + ut_ad(buf_pool); + ut_ad(buf_pool_mutex_own()); + + block = chunk->blocks; + + for (i = chunk->size; i--; block++) { + ibool ready; + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* The uncompressed buffer pool should never + contain compressed block descriptors. */ + ut_error; + break; + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + /* Skip blocks that are not being used for + file pages. */ + break; + case BUF_BLOCK_FILE_PAGE: + mutex_enter(&block->mutex); + ready = buf_flush_ready_for_replace(&block->page); + mutex_exit(&block->mutex); + + if (!ready) { + + return(block); + } + + break; + } + } + + return(NULL); +} + +/*********************************************************************//** +Checks that all blocks in the buffer chunk are in BUF_BLOCK_NOT_USED state. +@return TRUE if all freed */ +static +ibool +buf_chunk_all_free( +/*===============*/ + const buf_chunk_t* chunk) /*!< in: chunk being checked */ +{ + const buf_block_t* block; + ulint i; + + ut_ad(buf_pool); + ut_ad(buf_pool_mutex_own()); + + block = chunk->blocks; + + for (i = chunk->size; i--; block++) { + + if (buf_block_get_state(block) != BUF_BLOCK_NOT_USED) { + + return(FALSE); + } + } + + return(TRUE); +} + +/********************************************************************//** +Frees a chunk of buffer frames. */ +static +void +buf_chunk_free( +/*===========*/ + buf_chunk_t* chunk) /*!< out: chunk of buffers */ +{ + buf_block_t* block; + const buf_block_t* block_end; + + ut_ad(buf_pool_mutex_own()); + + block_end = chunk->blocks + chunk->size; + + for (block = chunk->blocks; block < block_end; block++) { + ut_a(buf_block_get_state(block) == BUF_BLOCK_NOT_USED); + ut_a(!block->page.zip.data); + + ut_ad(!block->page.in_LRU_list); + ut_ad(!block->in_unzip_LRU_list); + ut_ad(!block->page.in_flush_list); + /* Remove the block from the free list. */ + ut_ad(block->page.in_free_list); + UT_LIST_REMOVE(list, buf_pool->free, (&block->page)); + + /* Free the latches. */ + mutex_free(&block->mutex); + rw_lock_free(&block->lock); +#ifdef UNIV_SYNC_DEBUG + rw_lock_free(&block->debug_latch); +#endif /* UNIV_SYNC_DEBUG */ + UNIV_MEM_UNDESC(block); + } + + os_mem_free_large(chunk->mem, chunk->mem_size); +} + +/********************************************************************//** +Creates the buffer pool. +@return own: buf_pool object, NULL if not enough memory or error */ +UNIV_INTERN +buf_pool_t* +buf_pool_init(void) +/*===============*/ +{ + buf_chunk_t* chunk; + ulint i; + + buf_pool = mem_zalloc(sizeof(buf_pool_t)); + + /* 1. Initialize general fields + ------------------------------- */ + mutex_create(&buf_pool_mutex, SYNC_BUF_POOL); + mutex_create(&buf_pool_zip_mutex, SYNC_BUF_BLOCK); + + buf_pool_mutex_enter(); + + buf_pool->n_chunks = 1; + buf_pool->chunks = chunk = mem_alloc(sizeof *chunk); + + UT_LIST_INIT(buf_pool->free); + + if (!buf_chunk_init(chunk, srv_buf_pool_size)) { + mem_free(chunk); + mem_free(buf_pool); + buf_pool = NULL; + return(NULL); + } + + srv_buf_pool_old_size = srv_buf_pool_size; + buf_pool->curr_size = chunk->size; + srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; + + buf_pool->page_hash = hash_create(2 * buf_pool->curr_size); + buf_pool->zip_hash = hash_create(2 * buf_pool->curr_size); + + buf_pool->last_printout_time = time(NULL); + + /* 2. Initialize flushing fields + -------------------------------- */ + + mutex_create(&buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); + for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { + buf_pool->no_flush[i] = os_event_create(NULL); + } + + /* 3. Initialize LRU fields + --------------------------- */ + /* All fields are initialized by mem_zalloc(). */ + + buf_pool_mutex_exit(); + + btr_search_sys_create(buf_pool->curr_size + * UNIV_PAGE_SIZE / sizeof(void*) / 64); + + /* 4. Initialize the buddy allocator fields */ + /* All fields are initialized by mem_zalloc(). */ + + return(buf_pool); +} + +/********************************************************************//** +Frees the buffer pool at shutdown. This must not be invoked before +freeing all mutexes. */ +UNIV_INTERN +void +buf_pool_free(void) +/*===============*/ +{ + buf_chunk_t* chunk; + buf_chunk_t* chunks; + + chunks = buf_pool->chunks; + chunk = chunks + buf_pool->n_chunks; + + while (--chunk >= chunks) { + /* Bypass the checks of buf_chunk_free(), since they + would fail at shutdown. */ + os_mem_free_large(chunk->mem, chunk->mem_size); + } + + mem_free(buf_pool->chunks); + hash_table_free(buf_pool->page_hash); + hash_table_free(buf_pool->zip_hash); + mem_free(buf_pool); + buf_pool = NULL; +} + +/********************************************************************//** +Drops the adaptive hash index. To prevent a livelock, this function +is only to be called while holding btr_search_latch and while +btr_search_enabled == FALSE. */ +UNIV_INTERN +void +buf_pool_drop_hash_index(void) +/*==========================*/ +{ + ibool released_search_latch; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(!btr_search_enabled); + + do { + buf_chunk_t* chunks = buf_pool->chunks; + buf_chunk_t* chunk = chunks + buf_pool->n_chunks; + + released_search_latch = FALSE; + + while (--chunk >= chunks) { + buf_block_t* block = chunk->blocks; + ulint i = chunk->size; + + for (; i--; block++) { + /* block->is_hashed cannot be modified + when we have an x-latch on btr_search_latch; + see the comment in buf0buf.h */ + + if (buf_block_get_state(block) + != BUF_BLOCK_FILE_PAGE + || !block->is_hashed) { + continue; + } + + /* To follow the latching order, we + have to release btr_search_latch + before acquiring block->latch. */ + rw_lock_x_unlock(&btr_search_latch); + /* When we release the search latch, + we must rescan all blocks, because + some may become hashed again. */ + released_search_latch = TRUE; + + rw_lock_x_lock(&block->lock); + + /* This should be guaranteed by the + callers, which will be holding + btr_search_enabled_mutex. */ + ut_ad(!btr_search_enabled); + + /* Because we did not buffer-fix the + block by calling buf_block_get_gen(), + it is possible that the block has been + allocated for some other use after + btr_search_latch was released above. + We do not care which file page the + block is mapped to. All we want to do + is to drop any hash entries referring + to the page. */ + + /* It is possible that + block->page.state != BUF_FILE_PAGE. + Even that does not matter, because + btr_search_drop_page_hash_index() will + check block->is_hashed before doing + anything. block->is_hashed can only + be set on uncompressed file pages. */ + + btr_search_drop_page_hash_index(block); + + rw_lock_x_unlock(&block->lock); + + rw_lock_x_lock(&btr_search_latch); + + ut_ad(!btr_search_enabled); + } + } + } while (released_search_latch); +} + +/********************************************************************//** +Relocate a buffer control block. Relocates the block on the LRU list +and in buf_pool->page_hash. Does not relocate bpage->list. +The caller must take care of relocating bpage->list. */ +UNIV_INTERN +void +buf_relocate( +/*=========*/ + buf_page_t* bpage, /*!< in/out: control block being relocated; + buf_page_get_state(bpage) must be + BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ + buf_page_t* dpage) /*!< in/out: destination control block */ +{ + buf_page_t* b; + ulint fold; + + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); + ut_a(bpage->buf_fix_count == 0); + ut_ad(bpage->in_LRU_list); + ut_ad(!bpage->in_zip_hash); + ut_ad(bpage->in_page_hash); + ut_ad(bpage == buf_page_hash_get(bpage->space, bpage->offset)); + ut_ad(!buf_pool_watch_is(bpage)); +#ifdef UNIV_DEBUG + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_FILE_PAGE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_ZIP_PAGE: + break; + } +#endif /* UNIV_DEBUG */ + + memcpy(dpage, bpage, sizeof *dpage); + + ut_d(bpage->in_LRU_list = FALSE); + ut_d(bpage->in_page_hash = FALSE); + + /* relocate buf_pool->LRU */ + b = UT_LIST_GET_PREV(LRU, bpage); + UT_LIST_REMOVE(LRU, buf_pool->LRU, bpage); + + if (b) { + UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, b, dpage); + } else { + UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, dpage); + } + + if (UNIV_UNLIKELY(buf_pool->LRU_old == bpage)) { + buf_pool->LRU_old = dpage; +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); + } else { + /* Check that the "old" flag is consistent in + the block and its neighbours. */ + buf_page_set_old(dpage, buf_page_is_old(dpage)); +#endif /* UNIV_LRU_DEBUG */ + } + + ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, + ut_ad(ut_list_node_313->in_LRU_list))); + + /* relocate buf_pool->page_hash */ + fold = buf_page_address_fold(bpage->space, bpage->offset); + + HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, dpage); +} + +/********************************************************************//** +Shrinks the buffer pool. */ +static +void +buf_pool_shrink( +/*============*/ + ulint chunk_size) /*!< in: number of pages to remove */ +{ + buf_chunk_t* chunks; + buf_chunk_t* chunk; + ulint max_size; + ulint max_free_size; + buf_chunk_t* max_chunk; + buf_chunk_t* max_free_chunk; + + ut_ad(!buf_pool_mutex_own()); + +try_again: + btr_search_disable(); /* Empty the adaptive hash index again */ + buf_pool_mutex_enter(); + +shrink_again: + if (buf_pool->n_chunks <= 1) { + + /* Cannot shrink if there is only one chunk */ + goto func_done; + } + + /* Search for the largest free chunk + not larger than the size difference */ + chunks = buf_pool->chunks; + chunk = chunks + buf_pool->n_chunks; + max_size = max_free_size = 0; + max_chunk = max_free_chunk = NULL; + + while (--chunk >= chunks) { + if (chunk->size <= chunk_size + && chunk->size > max_free_size) { + if (chunk->size > max_size) { + max_size = chunk->size; + max_chunk = chunk; + } + + if (buf_chunk_all_free(chunk)) { + max_free_size = chunk->size; + max_free_chunk = chunk; + } + } + } + + if (!max_free_size) { + + ulint dirty = 0; + ulint nonfree = 0; + buf_block_t* block; + buf_block_t* bend; + + /* Cannot shrink: try again later + (do not assign srv_buf_pool_old_size) */ + if (!max_chunk) { + + goto func_exit; + } + + block = max_chunk->blocks; + bend = block + max_chunk->size; + + /* Move the blocks of chunk to the end of the + LRU list and try to flush them. */ + for (; block < bend; block++) { + switch (buf_block_get_state(block)) { + case BUF_BLOCK_NOT_USED: + continue; + case BUF_BLOCK_FILE_PAGE: + break; + default: + nonfree++; + continue; + } + + mutex_enter(&block->mutex); + /* The following calls will temporarily + release block->mutex and buf_pool_mutex. + Therefore, we have to always retry, + even if !dirty && !nonfree. */ + + if (!buf_flush_ready_for_replace(&block->page)) { + + buf_LRU_make_block_old(&block->page); + dirty++; + } else if (buf_LRU_free_block(&block->page, TRUE, NULL) + != BUF_LRU_FREED) { + nonfree++; + } + + mutex_exit(&block->mutex); + } + + buf_pool_mutex_exit(); + + /* Request for a flush of the chunk if it helps. + Do not flush if there are non-free blocks, since + flushing will not make the chunk freeable. */ + if (nonfree) { + /* Avoid busy-waiting. */ + os_thread_sleep(100000); + } else if (dirty + && buf_flush_batch(BUF_FLUSH_LRU, dirty, 0) + == ULINT_UNDEFINED) { + + buf_flush_wait_batch_end(BUF_FLUSH_LRU); + } + + goto try_again; + } + + max_size = max_free_size; + max_chunk = max_free_chunk; + + srv_buf_pool_old_size = srv_buf_pool_size; + + /* Rewrite buf_pool->chunks. Copy everything but max_chunk. */ + chunks = mem_alloc((buf_pool->n_chunks - 1) * sizeof *chunks); + memcpy(chunks, buf_pool->chunks, + (max_chunk - buf_pool->chunks) * sizeof *chunks); + memcpy(chunks + (max_chunk - buf_pool->chunks), + max_chunk + 1, + buf_pool->chunks + buf_pool->n_chunks + - (max_chunk + 1)); + ut_a(buf_pool->curr_size > max_chunk->size); + buf_pool->curr_size -= max_chunk->size; + srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; + chunk_size -= max_chunk->size; + buf_chunk_free(max_chunk); + mem_free(buf_pool->chunks); + buf_pool->chunks = chunks; + buf_pool->n_chunks--; + + /* Allow a slack of one megabyte. */ + if (chunk_size > 1048576 / UNIV_PAGE_SIZE) { + + goto shrink_again; + } + +func_done: + srv_buf_pool_old_size = srv_buf_pool_size; +func_exit: + buf_pool_mutex_exit(); + btr_search_enable(); +} + +/********************************************************************//** +Rebuild buf_pool->page_hash. */ +static +void +buf_pool_page_hash_rebuild(void) +/*============================*/ +{ + ulint i; + ulint n_chunks; + buf_chunk_t* chunk; + hash_table_t* page_hash; + hash_table_t* zip_hash; + buf_page_t* b; + + buf_pool_mutex_enter(); + + /* Free, create, and populate the hash table. */ + hash_table_free(buf_pool->page_hash); + buf_pool->page_hash = page_hash = hash_create(2 * buf_pool->curr_size); + zip_hash = hash_create(2 * buf_pool->curr_size); + + HASH_MIGRATE(buf_pool->zip_hash, zip_hash, buf_page_t, hash, + BUF_POOL_ZIP_FOLD_BPAGE); + + hash_table_free(buf_pool->zip_hash); + buf_pool->zip_hash = zip_hash; + + /* Insert the uncompressed file pages to buf_pool->page_hash. */ + + chunk = buf_pool->chunks; + n_chunks = buf_pool->n_chunks; + + for (i = 0; i < n_chunks; i++, chunk++) { + ulint j; + buf_block_t* block = chunk->blocks; + + for (j = 0; j < chunk->size; j++, block++) { + if (buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE) { + ut_ad(!block->page.in_zip_hash); + ut_ad(block->page.in_page_hash); + + HASH_INSERT(buf_page_t, hash, page_hash, + buf_page_address_fold( + block->page.space, + block->page.offset), + &block->page); + } + } + } + + /* Insert the compressed-only pages to buf_pool->page_hash. + All such blocks are either in buf_pool->zip_clean or + in buf_pool->flush_list. */ + + for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); + ut_ad(!b->in_flush_list); + ut_ad(b->in_LRU_list); + ut_ad(b->in_page_hash); + ut_ad(!b->in_zip_hash); + + HASH_INSERT(buf_page_t, hash, page_hash, + buf_page_address_fold(b->space, b->offset), b); + } + + buf_flush_list_mutex_enter(); + for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_ad(b->in_flush_list); + ut_ad(b->in_LRU_list); + ut_ad(b->in_page_hash); + ut_ad(!b->in_zip_hash); + + switch (buf_page_get_state(b)) { + case BUF_BLOCK_ZIP_DIRTY: + HASH_INSERT(buf_page_t, hash, page_hash, + buf_page_address_fold(b->space, + b->offset), b); + break; + case BUF_BLOCK_FILE_PAGE: + /* uncompressed page */ + break; + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + } + } + + buf_flush_list_mutex_exit(); + buf_pool_mutex_exit(); +} + +/********************************************************************//** +Resizes the buffer pool. */ +UNIV_INTERN +void +buf_pool_resize(void) +/*=================*/ +{ + buf_pool_mutex_enter(); + + if (srv_buf_pool_old_size == srv_buf_pool_size) { + + buf_pool_mutex_exit(); + return; + } + + if (srv_buf_pool_curr_size + 1048576 > srv_buf_pool_size) { + + buf_pool_mutex_exit(); + + /* Disable adaptive hash indexes and empty the index + in order to free up memory in the buffer pool chunks. */ + buf_pool_shrink((srv_buf_pool_curr_size - srv_buf_pool_size) + / UNIV_PAGE_SIZE); + } else if (srv_buf_pool_curr_size + 1048576 < srv_buf_pool_size) { + + /* Enlarge the buffer pool by at least one megabyte */ + + ulint mem_size + = srv_buf_pool_size - srv_buf_pool_curr_size; + buf_chunk_t* chunks; + buf_chunk_t* chunk; + + chunks = mem_alloc((buf_pool->n_chunks + 1) * sizeof *chunks); + + memcpy(chunks, buf_pool->chunks, buf_pool->n_chunks + * sizeof *chunks); + + chunk = &chunks[buf_pool->n_chunks]; + + if (!buf_chunk_init(chunk, mem_size)) { + mem_free(chunks); + } else { + buf_pool->curr_size += chunk->size; + srv_buf_pool_curr_size = buf_pool->curr_size + * UNIV_PAGE_SIZE; + mem_free(buf_pool->chunks); + buf_pool->chunks = chunks; + buf_pool->n_chunks++; + } + + srv_buf_pool_old_size = srv_buf_pool_size; + buf_pool_mutex_exit(); + } + + buf_pool_page_hash_rebuild(); +} + +/** Maximum number of concurrent buffer pool watches */ +#define BUF_POOL_WATCH_SIZE 1 +/** Sentinel records for buffer pool watches. Protected by buf_pool_mutex. */ +static buf_page_t buf_pool_watch[BUF_POOL_WATCH_SIZE]; + +/******************************************************************** +Determine if a block is a sentinel for a buffer pool watch. +@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ +UNIV_INTERN +ibool +buf_pool_watch_is( +/*==============*/ + const buf_page_t* bpage) /*!< in: block */ +{ + ut_ad(buf_page_in_file(bpage)); + + if (UNIV_LIKELY(bpage < &buf_pool_watch[0] + || bpage >= &buf_pool_watch[BUF_POOL_WATCH_SIZE])) { + + ut_ad(buf_page_get_state(bpage) != BUF_BLOCK_ZIP_PAGE + || bpage->zip.data != NULL); + + return(FALSE); + } + + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); + ut_ad(!bpage->in_zip_hash); + ut_ad(bpage->in_page_hash); + ut_ad(bpage->zip.data == NULL); + ut_ad(bpage->buf_fix_count > 0); + return(TRUE); +} + +/****************************************************************//** +Add watch for the given page to be read in. Caller must have the buffer pool +mutex reserved. +@return NULL if watch set, block if the page is in the buffer pool */ +UNIV_INTERN +buf_page_t* +buf_pool_watch_set( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page number */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ +{ + buf_page_t* bpage; + ulint i; + + ut_ad(buf_pool_mutex_own()); + + bpage = buf_page_hash_get_low(space, offset, fold); + + if (UNIV_LIKELY_NULL(bpage)) { + if (!buf_pool_watch_is(bpage)) { + /* The page was loaded meanwhile. */ + return(bpage); + } + /* Add to an existing watch. */ + bpage->buf_fix_count++; + return(NULL); + } + + for (i = 0; i < BUF_POOL_WATCH_SIZE; i++) { + bpage = &buf_pool_watch[i]; + + ut_ad(bpage->access_time == 0); + ut_ad(bpage->newest_modification == 0); + ut_ad(bpage->oldest_modification == 0); + ut_ad(bpage->zip.data == NULL); + ut_ad(!bpage->in_zip_hash); + + switch (bpage->state) { + case BUF_BLOCK_POOL_WATCH: + ut_ad(!bpage->in_page_hash); + ut_ad(bpage->buf_fix_count == 0); + + /* bpage is pointing to buf_pool_watch[], + which is protected by buf_pool_mutex. + Normally, buf_page_t objects are protected by + buf_block_t::mutex or buf_pool_zip_mutex or both. */ + + bpage->state = BUF_BLOCK_ZIP_PAGE; + bpage->space = space; + bpage->offset = offset; + bpage->buf_fix_count = 1; + + ut_d(bpage->in_page_hash = TRUE); + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, + fold, bpage); + return(NULL); + case BUF_BLOCK_ZIP_PAGE: + ut_ad(bpage->in_page_hash); + ut_ad(bpage->buf_fix_count > 0); + break; + default: + ut_error; + } + } + + /* Allocation failed. Either the maximum number of purge + threads should never exceed BUF_POOL_WATCH_SIZE, or this code + should be modified to return a special non-NULL value and the + caller should purge the record directly. */ + ut_error; + + /* Fix compiler warning */ + return(NULL); +} + +/****************************************************************//** +Remove the sentinel block for the watch before replacing it with a real block. +buf_page_watch_clear() or buf_page_watch_occurred() will notice that +the block has been replaced with the real block. +@return reference count, to be added to the replacement block */ +static +void +buf_pool_watch_remove( +/*==================*/ + ulint fold, /*!< in: buf_page_address_fold(space, offset) */ + buf_page_t* watch) /*!< in/out: sentinel for watch */ +{ + ut_ad(buf_pool_mutex_own()); + + HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, watch); + ut_d(watch->in_page_hash = FALSE); + watch->buf_fix_count = 0; + watch->state = BUF_BLOCK_POOL_WATCH; +} + +/****************************************************************//** +Stop watching if the page has been read in. +buf_pool_watch_set(space,offset) must have returned NULL before. */ +UNIV_INTERN +void +buf_pool_watch_unset( +/*=================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, offset); + + buf_pool_mutex_enter(); + bpage = buf_page_hash_get_low(space, offset, fold); + /* The page must exist because buf_pool_watch_set() + increments buf_fix_count. */ + ut_a(bpage); + + if (UNIV_UNLIKELY(!buf_pool_watch_is(bpage))) { + mutex_t* mutex = buf_page_get_mutex(bpage); + mutex_enter(mutex); + ut_a(bpage->buf_fix_count > 0); + bpage->buf_fix_count--; + mutex_exit(mutex); + } else { + ut_a(bpage->buf_fix_count > 0); + + if (UNIV_LIKELY(!--bpage->buf_fix_count)) { + buf_pool_watch_remove(fold, bpage); + } + } + + buf_pool_mutex_exit(); +} + +/****************************************************************//** +Check if the page has been read in. +This may only be called after buf_pool_watch_set(space,offset) +has returned NULL and before invoking buf_pool_watch_unset(space,offset). +@return FALSE if the given page was not read in, TRUE if it was */ +UNIV_INTERN +ibool +buf_pool_watch_occurred( +/*====================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, offset); + ibool ret; + + buf_pool_mutex_enter(); + + bpage = buf_page_hash_get_low(space, offset, fold); + /* The page must exist because buf_pool_watch_set() + increments buf_fix_count. */ + ut_a(bpage); + ret = !buf_pool_watch_is(bpage); + buf_pool_mutex_exit(); + + return(ret); +} + +/********************************************************************//** +Moves a page to the start of the buffer pool LRU list. This high-level +function can be used to prevent an important page from slipping out of +the buffer pool. */ +UNIV_INTERN +void +buf_page_make_young( +/*================*/ + buf_page_t* bpage) /*!< in: buffer block of a file page */ +{ + buf_pool_mutex_enter(); + + ut_a(buf_page_in_file(bpage)); + + buf_LRU_make_block_young(bpage); + + buf_pool_mutex_exit(); +} + +/********************************************************************//** +Sets the time of the first access of a page and moves a page to the +start of the buffer pool LRU list if it is too old. This high-level +function can be used to prevent an important page from slipping +out of the buffer pool. */ +static +void +buf_page_set_accessed_make_young( +/*=============================*/ + buf_page_t* bpage, /*!< in/out: buffer block of a + file page */ + unsigned access_time) /*!< in: bpage->access_time + read under mutex protection, + or 0 if unknown */ +{ + ut_ad(!buf_pool_mutex_own()); + ut_a(buf_page_in_file(bpage)); + + if (buf_page_peek_if_too_old(bpage)) { + buf_pool_mutex_enter(); + buf_LRU_make_block_young(bpage); + buf_pool_mutex_exit(); + } else if (!access_time) { + ulint time_ms = ut_time_ms(); + buf_pool_mutex_enter(); + buf_page_set_accessed(bpage, time_ms); + buf_pool_mutex_exit(); + } +} + +/********************************************************************//** +Resets the check_index_page_at_flush field of a page if found in the buffer +pool. */ +UNIV_INTERN +void +buf_reset_check_index_page_at_flush( +/*================================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_block_t* block; + + buf_pool_mutex_enter(); + + block = (buf_block_t*) buf_page_hash_get(space, offset); + + if (block && buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE) { + ut_ad(!buf_pool_watch_is(&block->page)); + block->check_index_page_at_flush = FALSE; + } + + buf_pool_mutex_exit(); +} + +/********************************************************************//** +Returns the current state of is_hashed of a page. FALSE if the page is +not in the pool. NOTE that this operation does not fix the page in the +pool if it is found there. +@return TRUE if page hash index is built in search system */ +UNIV_INTERN +ibool +buf_page_peek_if_search_hashed( +/*===========================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_block_t* block; + ibool is_hashed; + + buf_pool_mutex_enter(); + + block = (buf_block_t*) buf_page_hash_get(space, offset); + + if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { + is_hashed = FALSE; + } else { + ut_ad(!buf_pool_watch_is(&block->page)); + is_hashed = block->is_hashed; + } + + buf_pool_mutex_exit(); + + return(is_hashed); +} + +#ifdef UNIV_DEBUG_FILE_ACCESSES +/********************************************************************//** +Sets file_page_was_freed TRUE if the page is found in the buffer pool. +This function should be called when we free a file page and want the +debug version to check that it is not accessed any more unless +reallocated. +@return control block if found in page hash table, otherwise NULL */ +UNIV_INTERN +buf_page_t* +buf_page_set_file_page_was_freed( +/*=============================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + + buf_pool_mutex_enter(); + + bpage = buf_page_hash_get(space, offset); + + if (bpage && !buf_pool_watch_is(bpage)) { + bpage->file_page_was_freed = TRUE; + } + + buf_pool_mutex_exit(); + + return(bpage); +} + +/********************************************************************//** +Sets file_page_was_freed FALSE if the page is found in the buffer pool. +This function should be called when we free a file page and want the +debug version to check that it is not accessed any more unless +reallocated. +@return control block if found in page hash table, otherwise NULL */ +UNIV_INTERN +buf_page_t* +buf_page_reset_file_page_was_freed( +/*===============================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + + buf_pool_mutex_enter(); + + bpage = buf_page_hash_get(space, offset); + + if (bpage && !buf_pool_watch_is(bpage)) { + bpage->file_page_was_freed = FALSE; + } + + buf_pool_mutex_exit(); + + return(bpage); +} +#endif /* UNIV_DEBUG_FILE_ACCESSES */ + +/********************************************************************//** +Get read access to a compressed page (usually of type +FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). +The page must be released with buf_page_release_zip(). +NOTE: the page is not protected by any latch. Mutual exclusion has to +be implemented at a higher level. In other words, all possible +accesses to a given page through this function must be protected by +the same set of mutexes or latches. +@return pointer to the block */ +UNIV_INTERN +buf_page_t* +buf_page_get_zip( +/*=============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + mutex_t* block_mutex; + ibool must_read; + unsigned access_time; + +#ifndef UNIV_LOG_DEBUG + ut_ad(!ibuf_inside()); +#endif + buf_pool->stat.n_page_gets++; + + for (;;) { + buf_pool_mutex_enter(); +lookup: + bpage = buf_page_hash_get(space, offset); + if (bpage && !buf_pool_watch_is(bpage)) { + break; + } + + /* Page not in buf_pool: needs to be read from file */ + + buf_pool_mutex_exit(); + + buf_read_page(space, zip_size, offset); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 37 || buf_validate()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + } + + if (UNIV_UNLIKELY(!bpage->zip.data)) { + /* There is no compressed page. */ +err_exit: + buf_pool_mutex_exit(); + return(NULL); + } + + ut_ad(!buf_pool_watch_is(bpage)); + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + case BUF_BLOCK_ZIP_FREE: + break; + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + block_mutex = &buf_pool_zip_mutex; + mutex_enter(block_mutex); + bpage->buf_fix_count++; + goto got_block; + case BUF_BLOCK_FILE_PAGE: + block_mutex = &((buf_block_t*) bpage)->mutex; + mutex_enter(block_mutex); + + /* Discard the uncompressed page frame if possible. */ + if (buf_LRU_free_block(bpage, FALSE, NULL) + == BUF_LRU_FREED) { + + mutex_exit(block_mutex); + goto lookup; + } + + buf_block_buf_fix_inc((buf_block_t*) bpage, + __FILE__, __LINE__); + goto got_block; + } + + ut_error; + goto err_exit; + +got_block: + must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ; + access_time = buf_page_is_accessed(bpage); + + buf_pool_mutex_exit(); + + mutex_exit(block_mutex); + + buf_page_set_accessed_make_young(bpage, access_time); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + ut_a(!bpage->file_page_was_freed); +#endif + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 5771 || buf_validate()); + ut_a(bpage->buf_fix_count > 0); + ut_a(buf_page_in_file(bpage)); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + if (must_read) { + /* Let us wait until the read operation + completes */ + + for (;;) { + enum buf_io_fix io_fix; + + mutex_enter(block_mutex); + io_fix = buf_page_get_io_fix(bpage); + mutex_exit(block_mutex); + + if (io_fix == BUF_IO_READ) { + + os_thread_sleep(WAIT_FOR_READ); + } else { + break; + } + } + } + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_page_get_space(bpage), + buf_page_get_page_no(bpage)) == 0); +#endif + return(bpage); +} + +/********************************************************************//** +Initialize some fields of a control block. */ +UNIV_INLINE +void +buf_block_init_low( +/*===============*/ + buf_block_t* block) /*!< in: block to init */ +{ + block->check_index_page_at_flush = FALSE; + block->index = NULL; + + block->n_hash_helps = 0; + block->is_hashed = FALSE; + block->n_fields = 1; + block->n_bytes = 0; + block->left_side = TRUE; +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Decompress a block. +@return TRUE if successful */ +UNIV_INTERN +ibool +buf_zip_decompress( +/*===============*/ + buf_block_t* block, /*!< in/out: block */ + ibool check) /*!< in: TRUE=verify the page checksum */ +{ + const byte* frame = block->page.zip.data; + + ut_ad(buf_block_get_zip_size(block)); + ut_a(buf_block_get_space(block) != 0); + + if (UNIV_LIKELY(check)) { + ulint stamp_checksum = mach_read_from_4( + frame + FIL_PAGE_SPACE_OR_CHKSUM); + ulint calc_checksum = page_zip_calc_checksum( + frame, page_zip_get_size(&block->page.zip)); + + if (UNIV_UNLIKELY(stamp_checksum != calc_checksum)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: compressed page checksum mismatch" + " (space %u page %u): %lu != %lu\n", + block->page.space, block->page.offset, + stamp_checksum, calc_checksum); + return(FALSE); + } + } + + switch (fil_page_get_type(frame)) { + case FIL_PAGE_INDEX: + if (page_zip_decompress(&block->page.zip, + block->frame, TRUE)) { + return(TRUE); + } + + fprintf(stderr, + "InnoDB: unable to decompress space %lu page %lu\n", + (ulong) block->page.space, + (ulong) block->page.offset); + return(FALSE); + + case FIL_PAGE_TYPE_ALLOCATED: + case FIL_PAGE_INODE: + case FIL_PAGE_IBUF_BITMAP: + case FIL_PAGE_TYPE_FSP_HDR: + case FIL_PAGE_TYPE_XDES: + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + /* Copy to uncompressed storage. */ + memcpy(block->frame, frame, + buf_block_get_zip_size(block)); + return(TRUE); + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: unknown compressed page" + " type %lu\n", + fil_page_get_type(frame)); + return(FALSE); +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Gets the block to whose frame the pointer is pointing to. +@return pointer to block, never NULL */ +UNIV_INTERN +buf_block_t* +buf_block_align( +/*============*/ + const byte* ptr) /*!< in: pointer to a frame */ +{ + buf_chunk_t* chunk; + ulint i; + + /* TODO: protect buf_pool->chunks with a mutex (it will + currently remain constant after buf_pool_init()) */ + for (chunk = buf_pool->chunks, i = buf_pool->n_chunks; i--; chunk++) { + lint offs = ptr - chunk->blocks->frame; + + if (UNIV_UNLIKELY(offs < 0)) { + + continue; + } + + offs >>= UNIV_PAGE_SIZE_SHIFT; + + if (UNIV_LIKELY((ulint) offs < chunk->size)) { + buf_block_t* block = &chunk->blocks[offs]; + + /* The function buf_chunk_init() invokes + buf_block_init() so that block[n].frame == + block->frame + n * UNIV_PAGE_SIZE. Check it. */ + ut_ad(block->frame == page_align(ptr)); +#ifdef UNIV_DEBUG + /* A thread that updates these fields must + hold buf_pool_mutex and block->mutex. Acquire + only the latter. */ + mutex_enter(&block->mutex); + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* These types should only be used in + the compressed buffer pool, whose + memory is allocated from + buf_pool->chunks, in UNIV_PAGE_SIZE + blocks flagged as BUF_BLOCK_MEMORY. */ + ut_error; + break; + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + /* Some data structures contain + "guess" pointers to file pages. The + file pages may have been freed and + reused. Do not complain. */ + break; + case BUF_BLOCK_REMOVE_HASH: + /* buf_LRU_block_remove_hashed_page() + will overwrite the FIL_PAGE_OFFSET and + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID with + 0xff and set the state to + BUF_BLOCK_REMOVE_HASH. */ + ut_ad(page_get_space_id(page_align(ptr)) + == 0xffffffff); + ut_ad(page_get_page_no(page_align(ptr)) + == 0xffffffff); + break; + case BUF_BLOCK_FILE_PAGE: + ut_ad(block->page.space + == page_get_space_id(page_align(ptr))); + ut_ad(block->page.offset + == page_get_page_no(page_align(ptr))); + break; + } + + mutex_exit(&block->mutex); +#endif /* UNIV_DEBUG */ + + return(block); + } + } + + /* The block should always be found. */ + ut_error; + return(NULL); +} + +/********************************************************************//** +Find out if a pointer belongs to a buf_block_t. It can be a pointer to +the buf_block_t itself or a member of it +@return TRUE if ptr belongs to a buf_block_t struct */ +UNIV_INTERN +ibool +buf_pointer_is_block_field( +/*=======================*/ + const void* ptr) /*!< in: pointer not + dereferenced */ +{ + const buf_chunk_t* chunk = buf_pool->chunks; + const buf_chunk_t* const echunk = chunk + buf_pool->n_chunks; + + /* TODO: protect buf_pool->chunks with a mutex (it will + currently remain constant after buf_pool_init()) */ + while (chunk < echunk) { + if (ptr >= (void *)chunk->blocks + && ptr < (void *)(chunk->blocks + chunk->size)) { + + return(TRUE); + } + + chunk++; + } + + return(FALSE); +} + +/********************************************************************//** +Find out if a buffer block was created by buf_chunk_init(). +@return TRUE if "block" has been added to buf_pool->free by buf_chunk_init() */ +static +ibool +buf_block_is_uncompressed( +/*======================*/ + const buf_block_t* block) /*!< in: pointer to block, + not dereferenced */ +{ + ut_ad(buf_pool_mutex_own()); + + if (UNIV_UNLIKELY((((ulint) block) % sizeof *block) != 0)) { + /* The pointer should be aligned. */ + return(FALSE); + } + + return(buf_pointer_is_block_field((void *)block)); +} + +/********************************************************************//** +This is the general function used to get access to a database page. +@return pointer to the block or NULL */ +UNIV_INTERN +buf_block_t* +buf_page_get_gen( +/*=============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint offset, /*!< in: page number */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ + buf_block_t* guess, /*!< in: guessed block or NULL */ + ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, + BUF_GET_NO_LATCH, or + BUF_GET_IF_IN_POOL_OR_WATCH */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + buf_block_t* block; + ulint fold; + unsigned access_time; + ulint fix_type; + ibool must_read; + ulint retries = 0; + + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad((rw_latch == RW_S_LATCH) + || (rw_latch == RW_X_LATCH) + || (rw_latch == RW_NO_LATCH)); + ut_ad((mode != BUF_GET_NO_LATCH) || (rw_latch == RW_NO_LATCH)); + ut_ad(mode == BUF_GET + || mode == BUF_GET_IF_IN_POOL + || mode == BUF_GET_NO_LATCH + || mode == BUF_GET_IF_IN_POOL_OR_WATCH); + ut_ad(zip_size == fil_space_get_zip_size(space)); + ut_ad(ut_is_2pow(zip_size)); +#ifndef UNIV_LOG_DEBUG + ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); +#endif + buf_pool->stat.n_page_gets++; + fold = buf_page_address_fold(space, offset); +loop: + block = guess; + buf_pool_mutex_enter(); + + if (block) { + /* If the guess is a compressed page descriptor that + has been allocated by buf_buddy_alloc(), it may have + been invalidated by buf_buddy_relocate(). In that + case, block could point to something that happens to + contain the expected bits in block->page. Similarly, + the guess may be pointing to a buffer pool chunk that + has been released when resizing the buffer pool. */ + + if (!buf_block_is_uncompressed(block) + || offset != block->page.offset + || space != block->page.space + || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { + + block = guess = NULL; + } else { + ut_ad(!block->page.in_zip_hash); + ut_ad(block->page.in_page_hash); + } + } + + if (block == NULL) { + block = (buf_block_t*) buf_page_hash_get_low(space, offset, + fold); + } + +loop2: + if (block && buf_pool_watch_is(&block->page)) { + block = NULL; + } + + if (block == NULL) { + /* Page not in buf_pool: needs to be read from file */ + + if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { + block = (buf_block_t*) buf_pool_watch_set( + space, offset, fold); + + if (UNIV_LIKELY_NULL(block)) { + + goto got_block; + } + } + + buf_pool_mutex_exit(); + + if (mode == BUF_GET_IF_IN_POOL + || mode == BUF_GET_IF_IN_POOL_OR_WATCH) { + + return(NULL); + } + + if (buf_read_page(space, zip_size, offset)) { + retries = 0; + } else if (retries < BUF_PAGE_READ_MAX_RETRIES) { + ++retries; + } else { + fprintf(stderr, "InnoDB: Error: Unable" + " to read tablespace %lu page no" + " %lu into the buffer pool after" + " %lu attempts\n" + "InnoDB: The most probable cause" + " of this error may be that the" + " table has been corrupted.\n" + "InnoDB: You can try to fix this" + " problem by using" + " innodb_force_recovery.\n" + "InnoDB: Please see reference manual" + " for more details.\n" + "InnoDB: Aborting...\n", + space, offset, + BUF_PAGE_READ_MAX_RETRIES); + + ut_error; + } + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 37 || buf_validate()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + goto loop; + } + +got_block: + ut_ad(page_zip_get_size(&block->page.zip) == zip_size); + + must_read = buf_block_get_io_fix(block) == BUF_IO_READ; + + if (must_read && mode == BUF_GET_IF_IN_POOL) { + + /* The page is being read to buffer pool, + but we cannot wait around for the read to + complete. */ + buf_pool_mutex_exit(); + + return(NULL); + } + + switch (buf_block_get_state(block)) { + buf_page_t* bpage; + ibool success; + + case BUF_BLOCK_FILE_PAGE: + break; + + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + bpage = &block->page; + /* Protect bpage->buf_fix_count. */ + mutex_enter(&buf_pool_zip_mutex); + + if (bpage->buf_fix_count + || buf_page_get_io_fix(bpage) != BUF_IO_NONE) { + /* This condition often occurs when the buffer + is not buffer-fixed, but I/O-fixed by + buf_page_init_for_read(). */ + mutex_exit(&buf_pool_zip_mutex); +wait_until_unfixed: + /* The block is buffer-fixed or I/O-fixed. + Try again later. */ + buf_pool_mutex_exit(); + os_thread_sleep(WAIT_FOR_READ); + + goto loop; + } + + /* Allocate an uncompressed page. */ + buf_pool_mutex_exit(); + mutex_exit(&buf_pool_zip_mutex); + + block = buf_LRU_get_free_block(0); + ut_a(block); + + buf_pool_mutex_enter(); + mutex_enter(&block->mutex); + + { + buf_page_t* hash_bpage + = buf_page_hash_get_low(space, offset, fold); + + if (UNIV_UNLIKELY(bpage != hash_bpage)) { + /* The buf_pool->page_hash was modified + while buf_pool_mutex was released. + Free the block that was allocated. */ + + buf_LRU_block_free_non_file_page(block); + mutex_exit(&block->mutex); + + block = (buf_block_t*) hash_bpage; + goto loop2; + } + } + + if (UNIV_UNLIKELY + (bpage->buf_fix_count + || buf_page_get_io_fix(bpage) != BUF_IO_NONE)) { + + /* The block was buffer-fixed or I/O-fixed + while buf_pool_mutex was not held by this thread. + Free the block that was allocated and try again. + This should be extremely unlikely. */ + + buf_LRU_block_free_non_file_page(block); + mutex_exit(&block->mutex); + + goto wait_until_unfixed; + } + + /* Move the compressed page from bpage to block, + and uncompress it. */ + + mutex_enter(&buf_pool_zip_mutex); + + buf_relocate(bpage, &block->page); + buf_block_init_low(block); + block->lock_hash_val = lock_rec_hash(space, offset); + + UNIV_MEM_DESC(&block->page.zip.data, + page_zip_get_size(&block->page.zip), block); + + if (buf_page_get_state(&block->page) + == BUF_BLOCK_ZIP_PAGE) { + UT_LIST_REMOVE(list, buf_pool->zip_clean, + &block->page); + ut_ad(!block->page.in_flush_list); + } else { + /* Relocate buf_pool->flush_list. */ + buf_flush_relocate_on_flush_list(bpage, + &block->page); + } + + /* Buffer-fix, I/O-fix, and X-latch the block + for the duration of the decompression. + Also add the block to the unzip_LRU list. */ + block->page.state = BUF_BLOCK_FILE_PAGE; + + /* Insert at the front of unzip_LRU list */ + buf_unzip_LRU_add_block(block, FALSE); + + block->page.buf_fix_count = 1; + buf_block_set_io_fix(block, BUF_IO_READ); + rw_lock_x_lock(&block->lock); + + UNIV_MEM_INVALID(bpage, sizeof *bpage); + + mutex_exit(&block->mutex); + mutex_exit(&buf_pool_zip_mutex); + buf_pool->n_pend_unzip++; + + buf_buddy_free(bpage, sizeof *bpage); + + buf_pool_mutex_exit(); + + /* Decompress the page and apply buffered operations + while not holding buf_pool_mutex or block->mutex. */ + success = buf_zip_decompress(block, srv_use_checksums); + + if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) { + ibuf_merge_or_delete_for_page(block, space, offset, + zip_size, TRUE); + } + + /* Unfix and unlatch the block. */ + buf_pool_mutex_enter(); + mutex_enter(&block->mutex); + block->page.buf_fix_count--; + buf_block_set_io_fix(block, BUF_IO_NONE); + mutex_exit(&block->mutex); + buf_pool->n_pend_unzip--; + rw_lock_x_unlock(&block->lock); + + if (UNIV_UNLIKELY(!success)) { + + buf_pool_mutex_exit(); + return(NULL); + } + + break; + + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + } + + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + mutex_enter(&block->mutex); + UNIV_MEM_ASSERT_RW(&block->page, sizeof block->page); + + buf_block_buf_fix_inc(block, file, line); + + mutex_exit(&block->mutex); + + /* Check if this is the first access to the page */ + + access_time = buf_page_is_accessed(&block->page); + + buf_pool_mutex_exit(); + + buf_page_set_accessed_make_young(&block->page, access_time); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + ut_a(!block->page.file_page_was_freed); +#endif + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 5771 || buf_validate()); + ut_a(block->page.buf_fix_count > 0); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + switch (rw_latch) { + case RW_NO_LATCH: + if (must_read) { + /* Let us wait until the read operation + completes */ + + for (;;) { + enum buf_io_fix io_fix; + + mutex_enter(&block->mutex); + io_fix = buf_block_get_io_fix(block); + mutex_exit(&block->mutex); + + if (io_fix == BUF_IO_READ) { + + os_thread_sleep(WAIT_FOR_READ); + } else { + break; + } + } + } + + fix_type = MTR_MEMO_BUF_FIX; + break; + + case RW_S_LATCH: + rw_lock_s_lock_func(&(block->lock), 0, file, line); + + fix_type = MTR_MEMO_PAGE_S_FIX; + break; + + default: + ut_ad(rw_latch == RW_X_LATCH); + rw_lock_x_lock_func(&(block->lock), 0, file, line); + + fix_type = MTR_MEMO_PAGE_X_FIX; + break; + } + + mtr_memo_push(mtr, block, fix_type); + + if (!access_time) { + /* In the case of a first access, try to apply linear + read-ahead */ + + buf_read_ahead_linear(space, zip_size, offset); + } + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0); +#endif + return(block); +} + +/********************************************************************//** +This is the general function used to get optimistic access to a database +page. +@return TRUE if success */ +UNIV_INTERN +ibool +buf_page_optimistic_get( +/*====================*/ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: guessed buffer block */ + ib_uint64_t modify_clock,/*!< in: modify clock value if mode is + ..._GUESS_ON_CLOCK */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + unsigned access_time; + ibool success; + ulint fix_type; + + ut_ad(block); + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); + + mutex_enter(&block->mutex); + + if (UNIV_UNLIKELY(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE)) { + + mutex_exit(&block->mutex); + + return(FALSE); + } + + buf_block_buf_fix_inc(block, file, line); + + mutex_exit(&block->mutex); + + /* Check if this is the first access to the page. + We do a dirty read on purpose, to avoid mutex contention. + This field is only used for heuristic purposes; it does not + affect correctness. */ + + access_time = buf_page_is_accessed(&block->page); + buf_page_set_accessed_make_young(&block->page, access_time); + + ut_ad(!ibuf_inside() + || ibuf_page(buf_block_get_space(block), + buf_block_get_zip_size(block), + buf_block_get_page_no(block), NULL)); + + if (rw_latch == RW_S_LATCH) { + success = rw_lock_s_lock_nowait(&(block->lock), + file, line); + fix_type = MTR_MEMO_PAGE_S_FIX; + } else { + success = rw_lock_x_lock_func_nowait(&(block->lock), + file, line); + fix_type = MTR_MEMO_PAGE_X_FIX; + } + + if (UNIV_UNLIKELY(!success)) { + mutex_enter(&block->mutex); + buf_block_buf_fix_dec(block); + mutex_exit(&block->mutex); + + return(FALSE); + } + + if (UNIV_UNLIKELY(modify_clock != block->modify_clock)) { + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + if (rw_latch == RW_S_LATCH) { + rw_lock_s_unlock(&(block->lock)); + } else { + rw_lock_x_unlock(&(block->lock)); + } + + mutex_enter(&block->mutex); + buf_block_buf_fix_dec(block); + mutex_exit(&block->mutex); + + return(FALSE); + } + + mtr_memo_push(mtr, block, fix_type); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 5771 || buf_validate()); + ut_a(block->page.buf_fix_count > 0); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +#ifdef UNIV_DEBUG_FILE_ACCESSES + ut_a(block->page.file_page_was_freed == FALSE); +#endif + if (UNIV_UNLIKELY(!access_time)) { + /* In the case of a first access, try to apply linear + read-ahead */ + + buf_read_ahead_linear(buf_block_get_space(block), + buf_block_get_zip_size(block), + buf_block_get_page_no(block)); + } + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0); +#endif + buf_pool->stat.n_page_gets++; + + return(TRUE); +} + +/********************************************************************//** +This is used to get access to a known database page, when no waiting can be +done. For example, if a search in an adaptive hash index leads us to this +frame. +@return TRUE if success */ +UNIV_INTERN +ibool +buf_page_get_known_nowait( +/*======================*/ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: the known page */ + ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + ibool success; + ulint fix_type; + + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); + + mutex_enter(&block->mutex); + + if (buf_block_get_state(block) == BUF_BLOCK_REMOVE_HASH) { + /* Another thread is just freeing the block from the LRU list + of the buffer pool: do not try to access this page; this + attempt to access the page can only come through the hash + index because when the buffer block state is ..._REMOVE_HASH, + we have already removed it from the page address hash table + of the buffer pool. */ + + mutex_exit(&block->mutex); + + return(FALSE); + } + + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + buf_block_buf_fix_inc(block, file, line); + + mutex_exit(&block->mutex); + + if (mode == BUF_MAKE_YOUNG && buf_page_peek_if_too_old(&block->page)) { + buf_pool_mutex_enter(); + buf_LRU_make_block_young(&block->page); + buf_pool_mutex_exit(); + } else if (!buf_page_is_accessed(&block->page)) { + /* Above, we do a dirty read on purpose, to avoid + mutex contention. The field buf_page_t::access_time + is only used for heuristic purposes. Writes to the + field must be protected by mutex, however. */ + ulint time_ms = ut_time_ms(); + + buf_pool_mutex_enter(); + buf_page_set_accessed(&block->page, time_ms); + buf_pool_mutex_exit(); + } + + ut_ad(!ibuf_inside() || (mode == BUF_KEEP_OLD)); + + if (rw_latch == RW_S_LATCH) { + success = rw_lock_s_lock_nowait(&(block->lock), + file, line); + fix_type = MTR_MEMO_PAGE_S_FIX; + } else { + success = rw_lock_x_lock_func_nowait(&(block->lock), + file, line); + fix_type = MTR_MEMO_PAGE_X_FIX; + } + + if (!success) { + mutex_enter(&block->mutex); + buf_block_buf_fix_dec(block); + mutex_exit(&block->mutex); + + return(FALSE); + } + + mtr_memo_push(mtr, block, fix_type); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 5771 || buf_validate()); + ut_a(block->page.buf_fix_count > 0); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_DEBUG_FILE_ACCESSES + ut_a(block->page.file_page_was_freed == FALSE); +#endif + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a((mode == BUF_KEEP_OLD) + || (ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0)); +#endif + buf_pool->stat.n_page_gets++; + + return(TRUE); +} + +/*******************************************************************//** +Given a tablespace id and page number tries to get that page. If the +page is not in the buffer pool it is not loaded and NULL is returned. +Suitable for using when holding the kernel mutex. +@return pointer to a page or NULL */ +UNIV_INTERN +const buf_block_t* +buf_page_try_get_func( +/*==================*/ + ulint space_id,/*!< in: tablespace id */ + ulint page_no,/*!< in: page number */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + buf_block_t* block; + ibool success; + ulint fix_type; + + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + + buf_pool_mutex_enter(); + block = buf_block_hash_get(space_id, page_no); + + if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { + buf_pool_mutex_exit(); + return(NULL); + } + + ut_ad(!buf_pool_watch_is(&block->page)); + + mutex_enter(&block->mutex); + buf_pool_mutex_exit(); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_a(buf_block_get_space(block) == space_id); + ut_a(buf_block_get_page_no(block) == page_no); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_block_buf_fix_inc(block, file, line); + mutex_exit(&block->mutex); + + fix_type = MTR_MEMO_PAGE_S_FIX; + success = rw_lock_s_lock_nowait(&block->lock, file, line); + + if (!success) { + /* Let us try to get an X-latch. If the current thread + is holding an X-latch on the page, we cannot get an + S-latch. */ + + fix_type = MTR_MEMO_PAGE_X_FIX; + success = rw_lock_x_lock_func_nowait(&block->lock, + file, line); + } + + if (!success) { + mutex_enter(&block->mutex); + buf_block_buf_fix_dec(block); + mutex_exit(&block->mutex); + + return(NULL); + } + + mtr_memo_push(mtr, block, fix_type); +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 5771 || buf_validate()); + ut_a(block->page.buf_fix_count > 0); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_DEBUG_FILE_ACCESSES + ut_a(block->page.file_page_was_freed == FALSE); +#endif /* UNIV_DEBUG_FILE_ACCESSES */ + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + buf_pool->stat.n_page_gets++; + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0); +#endif + + return(block); +} + +/********************************************************************//** +Initialize some fields of a control block. */ +UNIV_INLINE +void +buf_page_init_low( +/*==============*/ + buf_page_t* bpage) /*!< in: block to init */ +{ + bpage->flush_type = BUF_FLUSH_LRU; + bpage->io_fix = BUF_IO_NONE; + bpage->buf_fix_count = 0; + bpage->freed_page_clock = 0; + bpage->access_time = 0; + bpage->newest_modification = 0; + bpage->oldest_modification = 0; + HASH_INVALIDATE(bpage, hash); +#ifdef UNIV_DEBUG_FILE_ACCESSES + bpage->file_page_was_freed = FALSE; +#endif /* UNIV_DEBUG_FILE_ACCESSES */ +} + +/********************************************************************//** +Inits a page to the buffer buf_pool. */ +static +void +buf_page_init( +/*==========*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space + in units of a page */ + ulint fold, /*!< in: buf_page_address_fold(space,offset) */ + buf_block_t* block) /*!< in: block to init */ +{ + buf_page_t* hash_page; + + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(&(block->mutex))); + ut_a(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE); + + /* Set the state of the block */ + buf_block_set_file_page(block, space, offset); + +#ifdef UNIV_DEBUG_VALGRIND + if (!space) { + /* Silence valid Valgrind warnings about uninitialized + data being written to data files. There are some unused + bytes on some pages that InnoDB does not initialize. */ + UNIV_MEM_VALID(block->frame, UNIV_PAGE_SIZE); + } +#endif /* UNIV_DEBUG_VALGRIND */ + + buf_block_init_low(block); + + block->lock_hash_val = lock_rec_hash(space, offset); + + buf_page_init_low(&block->page); + + /* Insert into the hash table of file pages */ + + hash_page = buf_page_hash_get_low(space, offset, fold); + + if (UNIV_LIKELY(!hash_page)) { + } else if (UNIV_LIKELY(buf_pool_watch_is(hash_page))) { + /* Preserve the reference count. */ + ulint buf_fix_count = hash_page->buf_fix_count; + ut_a(buf_fix_count > 0); + block->page.buf_fix_count += buf_fix_count; + buf_pool_watch_remove(fold, hash_page); + } else { + fprintf(stderr, + "InnoDB: Error: page %lu %lu already found" + " in the hash table: %p, %p\n", + (ulong) space, + (ulong) offset, + (const void*) hash_page, (const void*) block); +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + mutex_exit(&block->mutex); + buf_pool_mutex_exit(); + buf_print(); + buf_LRU_print(); + buf_validate(); + buf_LRU_validate(); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + ut_error; + } + + ut_ad(!block->page.in_zip_hash); + ut_ad(!block->page.in_page_hash); + ut_d(block->page.in_page_hash = TRUE); + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, + fold, &block->page); +} + +/********************************************************************//** +Function which inits a page for read to the buffer buf_pool. If the page is +(1) already in buf_pool, or +(2) if we specify to read only ibuf pages and the page is not an ibuf page, or +(3) if the space is deleted or being deleted, +then this function does nothing. +Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock +on the buffer frame. The io-handler must take care that the flag is cleared +and the lock released later. +@return pointer to the block or NULL */ +UNIV_INTERN +buf_page_t* +buf_page_init_for_read( +/*===================*/ + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong + version of the tablespace in case we have done + DISCARD + IMPORT */ + ulint offset) /*!< in: page number */ +{ + buf_block_t* block; + buf_page_t* bpage = NULL; + buf_page_t* watch_page; + mtr_t mtr; + ulint fold; + ibool lru = FALSE; + void* data; + + ut_ad(buf_pool); + + *err = DB_SUCCESS; + + if (mode == BUF_READ_IBUF_PAGES_ONLY) { + /* It is a read-ahead within an ibuf routine */ + + ut_ad(!ibuf_bitmap_page(zip_size, offset)); + ut_ad(ibuf_inside()); + + mtr_start(&mtr); + + if (!recv_no_ibuf_operations + && !ibuf_page(space, zip_size, offset, &mtr)) { + + mtr_commit(&mtr); + + return(NULL); + } + } else { + ut_ad(mode == BUF_READ_ANY_PAGE); + } + + if (zip_size && UNIV_LIKELY(!unzip) + && UNIV_LIKELY(!recv_recovery_is_on())) { + block = NULL; + } else { + block = buf_LRU_get_free_block(0); + ut_ad(block); + } + + fold = buf_page_address_fold(space, offset); + + buf_pool_mutex_enter(); + + watch_page = buf_page_hash_get_low(space, offset, fold); + if (watch_page && !buf_pool_watch_is(watch_page)) { + /* The page is already in the buffer pool. */ + watch_page = NULL; +err_exit: + if (block) { + mutex_enter(&block->mutex); + buf_LRU_block_free_non_file_page(block); + mutex_exit(&block->mutex); + } + + bpage = NULL; + goto func_exit; + } + + if (fil_tablespace_deleted_or_being_deleted_in_mem( + space, tablespace_version)) { + /* The page belongs to a space which has been + deleted or is being deleted. */ + *err = DB_TABLESPACE_DELETED; + + goto err_exit; + } + + if (block) { + bpage = &block->page; + mutex_enter(&block->mutex); + + buf_page_init(space, offset, fold, block); + + /* The block must be put to the LRU list, to the old blocks */ + buf_LRU_add_block(bpage, TRUE/* to old blocks */); + + /* We set a pass-type x-lock on the frame because then + the same thread which called for the read operation + (and is running now at this point of code) can wait + for the read to complete by waiting for the x-lock on + the frame; if the x-lock were recursive, the same + thread would illegally get the x-lock before the page + read is completed. The x-lock is cleared by the + io-handler thread. */ + + rw_lock_x_lock_gen(&block->lock, BUF_IO_READ); + buf_page_set_io_fix(bpage, BUF_IO_READ); + + if (UNIV_UNLIKELY(zip_size)) { + page_zip_set_size(&block->page.zip, zip_size); + + /* buf_pool_mutex may be released and + reacquired by buf_buddy_alloc(). Thus, we + must release block->mutex in order not to + break the latching order in the reacquisition + of buf_pool_mutex. We also must defer this + operation until after the block descriptor has + been added to buf_pool->LRU and + buf_pool->page_hash. */ + mutex_exit(&block->mutex); + data = buf_buddy_alloc(zip_size, &lru); + mutex_enter(&block->mutex); + block->page.zip.data = data; + + /* To maintain the invariant + block->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(&block->page) + we have to add this block to unzip_LRU + after block->page.zip.data is set. */ + ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); + buf_unzip_LRU_add_block(block, TRUE); + } + + mutex_exit(&block->mutex); + } else { + /* Defer buf_buddy_alloc() until after the block has + been found not to exist. The buf_buddy_alloc() and + buf_buddy_free() calls may be expensive because of + buf_buddy_relocate(). */ + + /* The compressed page must be allocated before the + control block (bpage), in order to avoid the + invocation of buf_buddy_relocate_block() on + uninitialized data. */ + data = buf_buddy_alloc(zip_size, &lru); + bpage = buf_buddy_alloc(sizeof *bpage, &lru); + + /* If buf_buddy_alloc() allocated storage from the LRU list, + it released and reacquired buf_pool_mutex. Thus, we must + check the page_hash again, as it may have been modified. */ + if (UNIV_UNLIKELY(lru)) { + watch_page = buf_page_hash_get_low(space, offset, fold); + if (UNIV_UNLIKELY + (watch_page && !buf_pool_watch_is(watch_page))) { + + /* The block was added by some other thread. */ + watch_page = NULL; + buf_buddy_free(bpage, sizeof *bpage); + buf_buddy_free(data, zip_size); + + bpage = NULL; + goto func_exit; + } + } + + page_zip_des_init(&bpage->zip); + page_zip_set_size(&bpage->zip, zip_size); + bpage->zip.data = data; + + mutex_enter(&buf_pool_zip_mutex); + UNIV_MEM_DESC(bpage->zip.data, + page_zip_get_size(&bpage->zip), bpage); + + buf_page_init_low(bpage); + + bpage->state = BUF_BLOCK_ZIP_PAGE; + bpage->space = space; + bpage->offset = offset; + + +#ifdef UNIV_DEBUG + bpage->in_page_hash = FALSE; + bpage->in_zip_hash = FALSE; + bpage->in_flush_list = FALSE; + bpage->in_free_list = FALSE; + bpage->in_LRU_list = FALSE; +#endif /* UNIV_DEBUG */ + + ut_d(bpage->in_page_hash = TRUE); + + if (UNIV_LIKELY_NULL(watch_page)) { + /* Preserve the reference count. */ + ulint buf_fix_count = watch_page->buf_fix_count; + ut_a(buf_fix_count > 0); + bpage->buf_fix_count += buf_fix_count; + ut_ad(buf_pool_watch_is(watch_page)); + buf_pool_watch_remove(fold, watch_page); + } + + HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, + bpage); + + /* The block must be put to the LRU list, to the old blocks */ + buf_LRU_add_block(bpage, TRUE/* to old blocks */); + buf_LRU_insert_zip_clean(bpage); + + buf_page_set_io_fix(bpage, BUF_IO_READ); + + mutex_exit(&buf_pool_zip_mutex); + } + + buf_pool->n_pend_reads++; +func_exit: + buf_pool_mutex_exit(); + + if (mode == BUF_READ_IBUF_PAGES_ONLY) { + + mtr_commit(&mtr); + } + + ut_ad(!bpage || buf_page_in_file(bpage)); + return(bpage); +} + +/********************************************************************//** +Initializes a page to the buffer buf_pool. The page is usually not read +from a file even if it cannot be found in the buffer buf_pool. This is one +of the functions which perform to a block a state transition NOT_USED => +FILE_PAGE (the other is buf_page_get_gen). +@return pointer to the block, page bufferfixed */ +UNIV_INTERN +buf_block_t* +buf_page_create( +/*============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of + a page */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + buf_frame_t* frame; + buf_block_t* block; + buf_block_t* free_block = NULL; + ulint time_ms = ut_time_ms(); + ulint fold; + + ut_ad(mtr); + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad(space || !zip_size); + + free_block = buf_LRU_get_free_block(0); + + fold = buf_page_address_fold(space, offset); + + buf_pool_mutex_enter(); + + block = (buf_block_t*) buf_page_hash_get_low(space, offset, fold); + + if (block && buf_page_in_file(&block->page) + && !buf_pool_watch_is(&block->page)) { +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(space, offset) == 0); +#endif +#ifdef UNIV_DEBUG_FILE_ACCESSES + block->page.file_page_was_freed = FALSE; +#endif /* UNIV_DEBUG_FILE_ACCESSES */ + + /* Page can be found in buf_pool */ + buf_pool_mutex_exit(); + + buf_block_free(free_block); + + return(buf_page_get_with_no_latch(space, zip_size, + offset, mtr)); + } + + /* If we get here, the page was not in buf_pool: init it there */ + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, "Creating space %lu page %lu to buffer\n", + (ulong) space, (ulong) offset); + } +#endif /* UNIV_DEBUG */ + + block = free_block; + + mutex_enter(&block->mutex); + + buf_page_init(space, offset, fold, block); + + /* The block must be put to the LRU list */ + buf_LRU_add_block(&block->page, FALSE); + + buf_block_buf_fix_inc(block, __FILE__, __LINE__); + buf_pool->stat.n_pages_created++; + + if (zip_size) { + void* data; + ibool lru; + + /* Prevent race conditions during buf_buddy_alloc(), + which may release and reacquire buf_pool_mutex, + by IO-fixing and X-latching the block. */ + + buf_page_set_io_fix(&block->page, BUF_IO_READ); + rw_lock_x_lock(&block->lock); + + page_zip_set_size(&block->page.zip, zip_size); + mutex_exit(&block->mutex); + /* buf_pool_mutex may be released and reacquired by + buf_buddy_alloc(). Thus, we must release block->mutex + in order not to break the latching order in + the reacquisition of buf_pool_mutex. We also must + defer this operation until after the block descriptor + has been added to buf_pool->LRU and buf_pool->page_hash. */ + data = buf_buddy_alloc(zip_size, &lru); + mutex_enter(&block->mutex); + block->page.zip.data = data; + + /* To maintain the invariant + block->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(&block->page) + we have to add this block to unzip_LRU after + block->page.zip.data is set. */ + ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); + buf_unzip_LRU_add_block(block, FALSE); + + buf_page_set_io_fix(&block->page, BUF_IO_NONE); + rw_lock_x_unlock(&block->lock); + } + + buf_page_set_accessed(&block->page, time_ms); + + buf_pool_mutex_exit(); + + mtr_memo_push(mtr, block, MTR_MEMO_BUF_FIX); + + mutex_exit(&block->mutex); + + /* Delete possible entries for the page from the insert buffer: + such can exist if the page belonged to an index which was dropped */ + + ibuf_merge_or_delete_for_page(NULL, space, offset, zip_size, TRUE); + + /* Flush pages from the end of the LRU list if necessary */ + buf_flush_free_margin(); + + frame = block->frame; + + memset(frame + FIL_PAGE_PREV, 0xff, 4); + memset(frame + FIL_PAGE_NEXT, 0xff, 4); + mach_write_to_2(frame + FIL_PAGE_TYPE, FIL_PAGE_TYPE_ALLOCATED); + + /* Reset to zero the file flush lsn field in the page; if the first + page of an ibdata file is 'created' in this function into the buffer + pool then we lose the original contents of the file flush lsn stamp. + Then InnoDB could in a crash recovery print a big, false, corruption + warning if the stamp contains an lsn bigger than the ib_logfile lsn. */ + + memset(frame + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(++buf_dbg_counter % 357 || buf_validate()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(buf_block_get_space(block), + buf_block_get_page_no(block)) == 0); +#endif + return(block); +} + +/********************************************************************//** +Completes an asynchronous read or write request of a file page to or from +the buffer pool. */ +UNIV_INTERN +void +buf_page_io_complete( +/*=================*/ + buf_page_t* bpage) /*!< in: pointer to the block in question */ +{ + enum buf_io_fix io_type; + const ibool uncompressed = (buf_page_get_state(bpage) + == BUF_BLOCK_FILE_PAGE); + + ut_a(buf_page_in_file(bpage)); + + /* We do not need protect io_fix here by mutex to read + it because this is the only function where we can change the value + from BUF_IO_READ or BUF_IO_WRITE to some other value, and our code + ensures that this is the only thread that handles the i/o for this + block. */ + + io_type = buf_page_get_io_fix(bpage); + ut_ad(io_type == BUF_IO_READ || io_type == BUF_IO_WRITE); + + if (io_type == BUF_IO_READ) { + ulint read_page_no; + ulint read_space_id; + byte* frame; + + if (buf_page_get_zip_size(bpage)) { + frame = bpage->zip.data; + buf_pool->n_pend_unzip++; + if (uncompressed + && !buf_zip_decompress((buf_block_t*) bpage, + FALSE)) { + + buf_pool->n_pend_unzip--; + goto corrupt; + } + buf_pool->n_pend_unzip--; + } else { + ut_a(uncompressed); + frame = ((buf_block_t*) bpage)->frame; + } + + /* If this page is not uninitialized and not in the + doublewrite buffer, then the page number and space id + should be the same as in block. */ + read_page_no = mach_read_from_4(frame + FIL_PAGE_OFFSET); + read_space_id = mach_read_from_4( + frame + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + + if (bpage->space == TRX_SYS_SPACE + && trx_doublewrite_page_inside(bpage->offset)) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: reading page %lu\n" + "InnoDB: which is in the" + " doublewrite buffer!\n", + (ulong) bpage->offset); + } else if (!read_space_id && !read_page_no) { + /* This is likely an uninitialized page. */ + } else if ((bpage->space + && bpage->space != read_space_id) + || bpage->offset != read_page_no) { + /* We did not compare space_id to read_space_id + if bpage->space == 0, because the field on the + page may contain garbage in MySQL < 4.1.1, + which only supported bpage->space == 0. */ + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: space id and page n:o" + " stored in the page\n" + "InnoDB: read in are %lu:%lu," + " should be %lu:%lu!\n", + (ulong) read_space_id, (ulong) read_page_no, + (ulong) bpage->space, + (ulong) bpage->offset); + } + + /* From version 3.23.38 up we store the page checksum + to the 4 first bytes of the page end lsn field */ + + if (buf_page_is_corrupted(frame, + buf_page_get_zip_size(bpage))) { +corrupt: + fprintf(stderr, + "InnoDB: Database page corruption on disk" + " or a failed\n" + "InnoDB: file read of page %lu.\n" + "InnoDB: You may have to recover" + " from a backup.\n", + (ulong) bpage->offset); + buf_page_print(frame, buf_page_get_zip_size(bpage)); + fprintf(stderr, + "InnoDB: Database page corruption on disk" + " or a failed\n" + "InnoDB: file read of page %lu.\n" + "InnoDB: You may have to recover" + " from a backup.\n", + (ulong) bpage->offset); + fputs("InnoDB: It is also possible that" + " your operating\n" + "InnoDB: system has corrupted its" + " own file cache\n" + "InnoDB: and rebooting your computer" + " removes the\n" + "InnoDB: error.\n" + "InnoDB: If the corrupt page is an index page\n" + "InnoDB: you can also try to" + " fix the corruption\n" + "InnoDB: by dumping, dropping," + " and reimporting\n" + "InnoDB: the corrupt table." + " You can use CHECK\n" + "InnoDB: TABLE to scan your" + " table for corruption.\n" + "InnoDB: See also " + REFMAN "forcing-recovery.html\n" + "InnoDB: about forcing recovery.\n", stderr); + + if (srv_force_recovery < SRV_FORCE_IGNORE_CORRUPT) { + fputs("InnoDB: Ending processing because of" + " a corrupt database page.\n", + stderr); + exit(1); + } + } + + if (recv_recovery_is_on()) { + /* Pages must be uncompressed for crash recovery. */ + ut_a(uncompressed); + recv_recover_page(TRUE, (buf_block_t*) bpage); + } + + if (uncompressed && !recv_no_ibuf_operations) { + ibuf_merge_or_delete_for_page( + (buf_block_t*) bpage, bpage->space, + bpage->offset, buf_page_get_zip_size(bpage), + TRUE); + } + } + + buf_pool_mutex_enter(); + mutex_enter(buf_page_get_mutex(bpage)); + +#ifdef UNIV_IBUF_COUNT_DEBUG + if (io_type == BUF_IO_WRITE || uncompressed) { + /* For BUF_IO_READ of compressed-only blocks, the + buffered operations will be merged by buf_page_get_gen() + after the block has been uncompressed. */ + ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); + } +#endif + /* Because this thread which does the unlocking is not the same that + did the locking, we use a pass value != 0 in unlock, which simply + removes the newest lock debug record, without checking the thread + id. */ + + buf_page_set_io_fix(bpage, BUF_IO_NONE); + + switch (io_type) { + case BUF_IO_READ: + /* NOTE that the call to ibuf may have moved the ownership of + the x-latch to this OS thread: do not let this confuse you in + debugging! */ + + ut_ad(buf_pool->n_pend_reads > 0); + buf_pool->n_pend_reads--; + buf_pool->stat.n_pages_read++; + + if (uncompressed) { + rw_lock_x_unlock_gen(&((buf_block_t*) bpage)->lock, + BUF_IO_READ); + } + + break; + + case BUF_IO_WRITE: + /* Write means a flush operation: call the completion + routine in the flush system */ + + buf_flush_write_complete(bpage); + + if (uncompressed) { + rw_lock_s_unlock_gen(&((buf_block_t*) bpage)->lock, + BUF_IO_WRITE); + } + + buf_pool->stat.n_pages_written++; + + break; + + default: + ut_error; + } + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, "Has %s page space %lu page no %lu\n", + io_type == BUF_IO_READ ? "read" : "written", + (ulong) buf_page_get_space(bpage), + (ulong) buf_page_get_page_no(bpage)); + } +#endif /* UNIV_DEBUG */ + + mutex_exit(buf_page_get_mutex(bpage)); + buf_pool_mutex_exit(); +} + +/*********************************************************************//** +Invalidates the file pages in the buffer pool when an archive recovery is +completed. All the file pages buffered must be in a replaceable state when +this function is called: not latched and not modified. */ +UNIV_INTERN +void +buf_pool_invalidate(void) +/*=====================*/ +{ + ibool freed; + enum buf_flush i; + + buf_pool_mutex_enter(); + + for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { + + /* As this function is called during startup and + during redo application phase during recovery, InnoDB + is single threaded (apart from IO helper threads) at + this stage. No new write batch can be in intialization + stage at this point. */ + ut_ad(buf_pool->init_flush[i] == FALSE); + + /* However, it is possible that a write batch that has + been posted earlier is still not complete. For buffer + pool invalidation to proceed we must ensure there is NO + write activity happening. */ + if (buf_pool->n_flush[i] > 0) { + buf_pool_mutex_exit(); + buf_flush_wait_batch_end(i); + buf_pool_mutex_enter(); + } + } + + buf_pool_mutex_exit(); + + ut_ad(buf_all_freed()); + + freed = TRUE; + + while (freed) { + freed = buf_LRU_search_and_free_block(100); + } + + buf_pool_mutex_enter(); + + ut_ad(UT_LIST_GET_LEN(buf_pool->LRU) == 0); + ut_ad(UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0); + + buf_pool->freed_page_clock = 0; + buf_pool->LRU_old = NULL; + buf_pool->LRU_old_len = 0; + buf_pool->LRU_flush_ended = 0; + + memset(&buf_pool->stat, 0x00, sizeof(buf_pool->stat)); + buf_refresh_io_stats(); + + buf_pool_mutex_exit(); +} + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/*********************************************************************//** +Validates the buffer buf_pool data structure. +@return TRUE */ +UNIV_INTERN +ibool +buf_validate(void) +/*==============*/ +{ + buf_page_t* b; + buf_chunk_t* chunk; + ulint i; + ulint n_single_flush = 0; + ulint n_lru_flush = 0; + ulint n_list_flush = 0; + ulint n_lru = 0; + ulint n_flush = 0; + ulint n_free = 0; + ulint n_zip = 0; + + ut_ad(buf_pool); + + buf_pool_mutex_enter(); + + chunk = buf_pool->chunks; + + /* Check the uncompressed blocks. */ + + for (i = buf_pool->n_chunks; i--; chunk++) { + + ulint j; + buf_block_t* block = chunk->blocks; + + for (j = chunk->size; j--; block++) { + + mutex_enter(&block->mutex); + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* These should only occur on + zip_clean, zip_free[], or flush_list. */ + ut_error; + break; + + case BUF_BLOCK_FILE_PAGE: + ut_a(buf_page_hash_get(buf_block_get_space( + block), + buf_block_get_page_no( + block)) + == &block->page); + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(buf_page_get_io_fix(&block->page) + == BUF_IO_READ + || !ibuf_count_get(buf_block_get_space( + block), + buf_block_get_page_no( + block))); +#endif + switch (buf_page_get_io_fix(&block->page)) { + case BUF_IO_NONE: + break; + + case BUF_IO_WRITE: + switch (buf_page_get_flush_type( + &block->page)) { + case BUF_FLUSH_LRU: + n_lru_flush++; + ut_a(rw_lock_is_locked( + &block->lock, + RW_LOCK_SHARED)); + break; + case BUF_FLUSH_LIST: + n_list_flush++; + break; + case BUF_FLUSH_SINGLE_PAGE: + n_single_flush++; + break; + default: + ut_error; + } + + break; + + case BUF_IO_READ: + + ut_a(rw_lock_is_locked(&block->lock, + RW_LOCK_EX)); + break; + } + + n_lru++; + break; + + case BUF_BLOCK_NOT_USED: + n_free++; + break; + + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + /* do nothing */ + break; + } + + mutex_exit(&block->mutex); + } + } + + mutex_enter(&buf_pool_zip_mutex); + + /* Check clean compressed-only blocks. */ + + for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); + switch (buf_page_get_io_fix(b)) { + case BUF_IO_NONE: + /* All clean blocks should be I/O-unfixed. */ + break; + case BUF_IO_READ: + /* In buf_LRU_free_block(), we temporarily set + b->io_fix = BUF_IO_READ for a newly allocated + control block in order to prevent + buf_page_get_gen() from decompressing the block. */ + break; + default: + ut_error; + break; + } + + /* It is OK to read oldest_modification here because + we have acquired buf_pool_zip_mutex above which acts + as the 'block->mutex' for these bpages. */ + ut_a(!b->oldest_modification); + ut_a(buf_page_hash_get(b->space, b->offset) == b); + + n_lru++; + n_zip++; + } + + /* Check dirty blocks. */ + + buf_flush_list_mutex_enter(); + for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_ad(b->in_flush_list); + ut_a(b->oldest_modification); + n_flush++; + + switch (buf_page_get_state(b)) { + case BUF_BLOCK_ZIP_DIRTY: + n_lru++; + n_zip++; + switch (buf_page_get_io_fix(b)) { + case BUF_IO_NONE: + case BUF_IO_READ: + break; + case BUF_IO_WRITE: + switch (buf_page_get_flush_type(b)) { + case BUF_FLUSH_LRU: + n_lru_flush++; + break; + case BUF_FLUSH_LIST: + n_list_flush++; + break; + case BUF_FLUSH_SINGLE_PAGE: + n_single_flush++; + break; + default: + ut_error; + } + break; + } + break; + case BUF_BLOCK_FILE_PAGE: + /* uncompressed page */ + break; + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + } + ut_a(buf_page_hash_get(b->space, b->offset) == b); + } + + ut_a(UT_LIST_GET_LEN(buf_pool->flush_list) == n_flush); + + buf_flush_list_mutex_exit(); + + mutex_exit(&buf_pool_zip_mutex); + + if (n_lru + n_free > buf_pool->curr_size + n_zip) { + fprintf(stderr, "n LRU %lu, n free %lu, pool %lu zip %lu\n", + (ulong) n_lru, (ulong) n_free, + (ulong) buf_pool->curr_size, (ulong) n_zip); + ut_error; + } + + ut_a(UT_LIST_GET_LEN(buf_pool->LRU) == n_lru); + if (UT_LIST_GET_LEN(buf_pool->free) != n_free) { + fprintf(stderr, "Free list len %lu, free blocks %lu\n", + (ulong) UT_LIST_GET_LEN(buf_pool->free), + (ulong) n_free); + ut_error; + } + + ut_a(buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE] == n_single_flush); + ut_a(buf_pool->n_flush[BUF_FLUSH_LIST] == n_list_flush); + ut_a(buf_pool->n_flush[BUF_FLUSH_LRU] == n_lru_flush); + + buf_pool_mutex_exit(); + + ut_a(buf_LRU_validate()); + ut_a(buf_flush_validate()); + + return(TRUE); +} +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/*********************************************************************//** +Prints info of the buffer buf_pool data structure. */ +UNIV_INTERN +void +buf_print(void) +/*===========*/ +{ + dulint* index_ids; + ulint* counts; + ulint size; + ulint i; + ulint j; + dulint id; + ulint n_found; + buf_chunk_t* chunk; + dict_index_t* index; + + ut_ad(buf_pool); + + size = buf_pool->curr_size; + + index_ids = mem_alloc(sizeof(dulint) * size); + counts = mem_alloc(sizeof(ulint) * size); + + buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); + + fprintf(stderr, + "buf_pool size %lu\n" + "database pages %lu\n" + "free pages %lu\n" + "modified database pages %lu\n" + "n pending decompressions %lu\n" + "n pending reads %lu\n" + "n pending flush LRU %lu list %lu single page %lu\n" + "pages made young %lu, not young %lu\n" + "pages read %lu, created %lu, written %lu\n", + (ulong) size, + (ulong) UT_LIST_GET_LEN(buf_pool->LRU), + (ulong) UT_LIST_GET_LEN(buf_pool->free), + (ulong) UT_LIST_GET_LEN(buf_pool->flush_list), + (ulong) buf_pool->n_pend_unzip, + (ulong) buf_pool->n_pend_reads, + (ulong) buf_pool->n_flush[BUF_FLUSH_LRU], + (ulong) buf_pool->n_flush[BUF_FLUSH_LIST], + (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE], + (ulong) buf_pool->stat.n_pages_made_young, + (ulong) buf_pool->stat.n_pages_not_made_young, + (ulong) buf_pool->stat.n_pages_read, + (ulong) buf_pool->stat.n_pages_created, + (ulong) buf_pool->stat.n_pages_written); + + buf_flush_list_mutex_exit(); + + /* Count the number of blocks belonging to each index in the buffer */ + + n_found = 0; + + chunk = buf_pool->chunks; + + for (i = buf_pool->n_chunks; i--; chunk++) { + buf_block_t* block = chunk->blocks; + ulint n_blocks = chunk->size; + + for (; n_blocks--; block++) { + const buf_frame_t* frame = block->frame; + + if (fil_page_get_type(frame) == FIL_PAGE_INDEX) { + + id = btr_page_get_index_id(frame); + + /* Look for the id in the index_ids array */ + j = 0; + + while (j < n_found) { + + if (ut_dulint_cmp(index_ids[j], + id) == 0) { + counts[j]++; + + break; + } + j++; + } + + if (j == n_found) { + n_found++; + index_ids[j] = id; + counts[j] = 1; + } + } + } + } + + buf_pool_mutex_exit(); + + for (i = 0; i < n_found; i++) { + index = dict_index_get_if_in_cache(index_ids[i]); + + fprintf(stderr, + "Block count for index %lu in buffer is about %lu", + (ulong) ut_dulint_get_low(index_ids[i]), + (ulong) counts[i]); + + if (index) { + putc(' ', stderr); + dict_index_name_print(stderr, NULL, index); + } + + putc('\n', stderr); + } + + mem_free(index_ids); + mem_free(counts); + + ut_a(buf_validate()); +} +#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Returns the number of latched pages in the buffer pool. +@return number of latched pages */ +UNIV_INTERN +ulint +buf_get_latched_pages_number(void) +/*==============================*/ +{ + buf_chunk_t* chunk; + buf_page_t* b; + ulint i; + ulint fixed_pages_number = 0; + + buf_pool_mutex_enter(); + + chunk = buf_pool->chunks; + + for (i = buf_pool->n_chunks; i--; chunk++) { + buf_block_t* block; + ulint j; + + block = chunk->blocks; + + for (j = chunk->size; j--; block++) { + if (buf_block_get_state(block) + != BUF_BLOCK_FILE_PAGE) { + + continue; + } + + mutex_enter(&block->mutex); + + if (block->page.buf_fix_count != 0 + || buf_page_get_io_fix(&block->page) + != BUF_IO_NONE) { + fixed_pages_number++; + } + + mutex_exit(&block->mutex); + } + } + + mutex_enter(&buf_pool_zip_mutex); + + /* Traverse the lists of clean and dirty compressed-only blocks. */ + + for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); + ut_a(buf_page_get_io_fix(b) != BUF_IO_WRITE); + + if (b->buf_fix_count != 0 + || buf_page_get_io_fix(b) != BUF_IO_NONE) { + fixed_pages_number++; + } + } + + buf_flush_list_mutex_enter(); + for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; + b = UT_LIST_GET_NEXT(list, b)) { + ut_ad(b->in_flush_list); + + switch (buf_page_get_state(b)) { + case BUF_BLOCK_ZIP_DIRTY: + if (b->buf_fix_count != 0 + || buf_page_get_io_fix(b) != BUF_IO_NONE) { + fixed_pages_number++; + } + break; + case BUF_BLOCK_FILE_PAGE: + /* uncompressed page */ + break; + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + } + } + + buf_flush_list_mutex_exit(); + mutex_exit(&buf_pool_zip_mutex); + buf_pool_mutex_exit(); + + return(fixed_pages_number); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Returns the number of pending buf pool ios. +@return number of pending I/O operations */ +UNIV_INTERN +ulint +buf_get_n_pending_ios(void) +/*=======================*/ +{ + return(buf_pool->n_pend_reads + + buf_pool->n_flush[BUF_FLUSH_LRU] + + buf_pool->n_flush[BUF_FLUSH_LIST] + + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); +} + +/*********************************************************************//** +Returns the ratio in percents of modified pages in the buffer pool / +database pages in the buffer pool. +@return modified page percentage ratio */ +UNIV_INTERN +ulint +buf_get_modified_ratio_pct(void) +/*============================*/ +{ + ulint ratio; + + /* This is for heuristics. No need to grab any mutex here. */ + ratio = (100 * UT_LIST_GET_LEN(buf_pool->flush_list)) + / (1 + UT_LIST_GET_LEN(buf_pool->LRU) + + UT_LIST_GET_LEN(buf_pool->free)); + + /* 1 + is there to avoid division by zero */ + + return(ratio); +} + +/*********************************************************************//** +Prints info of the buffer i/o. */ +UNIV_INTERN +void +buf_print_io( +/*=========*/ + FILE* file) /*!< in/out: buffer where to print */ +{ + time_t current_time; + double time_elapsed; + ulint n_gets_diff; + + ut_ad(buf_pool); + + buf_pool_mutex_enter(); + buf_flush_list_mutex_enter(); + + fprintf(file, + "Buffer pool size %lu\n" + "Free buffers %lu\n" + "Database pages %lu\n" + "Old database pages %lu\n" + "Modified db pages %lu\n" + "Pending reads %lu\n" + "Pending writes: LRU %lu, flush list %lu, single page %lu\n", + (ulong) buf_pool->curr_size, + (ulong) UT_LIST_GET_LEN(buf_pool->free), + (ulong) UT_LIST_GET_LEN(buf_pool->LRU), + (ulong) buf_pool->LRU_old_len, + (ulong) UT_LIST_GET_LEN(buf_pool->flush_list), + (ulong) buf_pool->n_pend_reads, + (ulong) buf_pool->n_flush[BUF_FLUSH_LRU] + + buf_pool->init_flush[BUF_FLUSH_LRU], + (ulong) buf_pool->n_flush[BUF_FLUSH_LIST] + + buf_pool->init_flush[BUF_FLUSH_LIST], + (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); + + buf_flush_list_mutex_exit(); + + current_time = time(NULL); + time_elapsed = 0.001 + difftime(current_time, + buf_pool->last_printout_time); + + fprintf(file, + "Pages made young %lu, not young %lu\n" + "%.2f youngs/s, %.2f non-youngs/s\n" + "Pages read %lu, created %lu, written %lu\n" + "%.2f reads/s, %.2f creates/s, %.2f writes/s\n", + (ulong) buf_pool->stat.n_pages_made_young, + (ulong) buf_pool->stat.n_pages_not_made_young, + (buf_pool->stat.n_pages_made_young + - buf_pool->old_stat.n_pages_made_young) + / time_elapsed, + (buf_pool->stat.n_pages_not_made_young + - buf_pool->old_stat.n_pages_not_made_young) + / time_elapsed, + (ulong) buf_pool->stat.n_pages_read, + (ulong) buf_pool->stat.n_pages_created, + (ulong) buf_pool->stat.n_pages_written, + (buf_pool->stat.n_pages_read + - buf_pool->old_stat.n_pages_read) + / time_elapsed, + (buf_pool->stat.n_pages_created + - buf_pool->old_stat.n_pages_created) + / time_elapsed, + (buf_pool->stat.n_pages_written + - buf_pool->old_stat.n_pages_written) + / time_elapsed); + + n_gets_diff = buf_pool->stat.n_page_gets - buf_pool->old_stat.n_page_gets; + + if (n_gets_diff) { + fprintf(file, + "Buffer pool hit rate %lu / 1000," + " young-making rate %lu / 1000 not %lu / 1000\n", + (ulong) + (1000 - ((1000 * (buf_pool->stat.n_pages_read + - buf_pool->old_stat.n_pages_read)) + / (buf_pool->stat.n_page_gets + - buf_pool->old_stat.n_page_gets))), + (ulong) + (1000 * (buf_pool->stat.n_pages_made_young + - buf_pool->old_stat.n_pages_made_young) + / n_gets_diff), + (ulong) + (1000 * (buf_pool->stat.n_pages_not_made_young + - buf_pool->old_stat.n_pages_not_made_young) + / n_gets_diff)); + } else { + fputs("No buffer pool page gets since the last printout\n", + file); + } + + /* Statistics about read ahead algorithm */ + fprintf(file, "Pages read ahead %.2f/s," + " evicted without access %.2f/s\n", + (buf_pool->stat.n_ra_pages_read + - buf_pool->old_stat.n_ra_pages_read) + / time_elapsed, + (buf_pool->stat.n_ra_pages_evicted + - buf_pool->old_stat.n_ra_pages_evicted) + / time_elapsed); + + /* Print some values to help us with visualizing what is + happening with LRU eviction. */ + fprintf(file, + "LRU len: %lu, unzip_LRU len: %lu\n" + "I/O sum[%lu]:cur[%lu], unzip sum[%lu]:cur[%lu]\n", + UT_LIST_GET_LEN(buf_pool->LRU), + UT_LIST_GET_LEN(buf_pool->unzip_LRU), + buf_LRU_stat_sum.io, buf_LRU_stat_cur.io, + buf_LRU_stat_sum.unzip, buf_LRU_stat_cur.unzip); + + buf_refresh_io_stats(); + buf_pool_mutex_exit(); +} + +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +buf_refresh_io_stats(void) +/*======================*/ +{ + buf_pool->last_printout_time = time(NULL); + buf_pool->old_stat = buf_pool->stat; +} + +/*********************************************************************//** +Asserts that all file pages in the buffer are in a replaceable state. +@return TRUE */ +UNIV_INTERN +ibool +buf_all_freed(void) +/*===============*/ +{ + buf_chunk_t* chunk; + ulint i; + + ut_ad(buf_pool); + + buf_pool_mutex_enter(); + + chunk = buf_pool->chunks; + + for (i = buf_pool->n_chunks; i--; chunk++) { + + const buf_block_t* block = buf_chunk_not_freed(chunk); + + if (UNIV_LIKELY_NULL(block)) { + fprintf(stderr, + "Page %lu %lu still fixed or dirty\n", + (ulong) block->page.space, + (ulong) block->page.offset); + ut_error; + } + } + + buf_pool_mutex_exit(); + + return(TRUE); +} + +/*********************************************************************//** +Checks that there currently are no pending i/o-operations for the buffer +pool. +@return TRUE if there is no pending i/o */ +UNIV_INTERN +ibool +buf_pool_check_no_pending_io(void) +/*==============================*/ +{ + ibool ret; + + buf_pool_mutex_enter(); + + if (buf_pool->n_pend_reads + buf_pool->n_flush[BUF_FLUSH_LRU] + + buf_pool->n_flush[BUF_FLUSH_LIST] + + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]) { + ret = FALSE; + } else { + ret = TRUE; + } + + buf_pool_mutex_exit(); + + return(ret); +} + +/*********************************************************************//** +Gets the current length of the free list of buffer blocks. +@return length of the free list */ +UNIV_INTERN +ulint +buf_get_free_list_len(void) +/*=======================*/ +{ + ulint len; + + buf_pool_mutex_enter(); + + len = UT_LIST_GET_LEN(buf_pool->free); + + buf_pool_mutex_exit(); + + return(len); +} +#else /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ +UNIV_INTERN +void +buf_page_init_for_backup_restore( +/*=============================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space + in units of a page */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + buf_block_t* block) /*!< in: block to init */ +{ + block->page.state = BUF_BLOCK_FILE_PAGE; + block->page.space = space; + block->page.offset = offset; + + page_zip_des_init(&block->page.zip); + + /* We assume that block->page.data has been allocated + with zip_size == UNIV_PAGE_SIZE. */ + ut_ad(zip_size <= UNIV_PAGE_SIZE); + ut_ad(ut_is_2pow(zip_size)); + page_zip_set_size(&block->page.zip, zip_size); + if (zip_size) { + block->page.zip.data = block->frame + UNIV_PAGE_SIZE; + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/buf/buf0flu.c b/perfschema/buf/buf0flu.c new file mode 100644 index 00000000000..76923fd8595 --- /dev/null +++ b/perfschema/buf/buf0flu.c @@ -0,0 +1,1824 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file buf/buf0flu.c +The database buffer buf_pool flush algorithm + +Created 11/11/1995 Heikki Tuuri +*******************************************************/ + +#include "buf0flu.h" + +#ifdef UNIV_NONINL +#include "buf0flu.ic" +#endif + +#include "buf0buf.h" +#include "srv0srv.h" +#include "page0zip.h" +#ifndef UNIV_HOTBACKUP +#include "ut0byte.h" +#include "ut0lst.h" +#include "page0page.h" +#include "fil0fil.h" +#include "buf0lru.h" +#include "buf0rea.h" +#include "ibuf0ibuf.h" +#include "log0log.h" +#include "os0file.h" +#include "trx0sys.h" + +/********************************************************************** +These statistics are generated for heuristics used in estimating the +rate at which we should flush the dirty blocks to avoid bursty IO +activity. Note that the rate of flushing not only depends on how many +dirty pages we have in the buffer pool but it is also a fucntion of +how much redo the workload is generating and at what rate. */ +/* @{ */ + +/** Number of intervals for which we keep the history of these stats. +Each interval is 1 second, defined by the rate at which +srv_error_monitor_thread() calls buf_flush_stat_update(). */ +#define BUF_FLUSH_STAT_N_INTERVAL 20 + +/** Sampled values buf_flush_stat_cur. +Not protected by any mutex. Updated by buf_flush_stat_update(). */ +static buf_flush_stat_t buf_flush_stat_arr[BUF_FLUSH_STAT_N_INTERVAL]; + +/** Cursor to buf_flush_stat_arr[]. Updated in a round-robin fashion. */ +static ulint buf_flush_stat_arr_ind; + +/** Values at start of the current interval. Reset by +buf_flush_stat_update(). */ +static buf_flush_stat_t buf_flush_stat_cur; + +/** Running sum of past values of buf_flush_stat_cur. +Updated by buf_flush_stat_update(). Not protected by any mutex. */ +static buf_flush_stat_t buf_flush_stat_sum; + +/** Number of pages flushed through non flush_list flushes. */ +static ulint buf_lru_flush_page_count = 0; + +/* @} */ + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/******************************************************************//** +Validates the flush list. +@return TRUE if ok */ +static +ibool +buf_flush_validate_low(void); +/*========================*/ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +/******************************************************************//** +Insert a block in the flush_rbt and returns a pointer to its +predecessor or NULL if no predecessor. The ordering is maintained +on the basis of the key. +@return pointer to the predecessor or NULL if no predecessor. */ +static +buf_page_t* +buf_flush_insert_in_flush_rbt( +/*==========================*/ + buf_page_t* bpage) /*!< in: bpage to be inserted. */ +{ + buf_page_t* prev = NULL; + const ib_rbt_node_t* c_node; + const ib_rbt_node_t* p_node; + + ut_ad(buf_flush_list_mutex_own()); + + /* Insert this buffer into the rbt. */ + c_node = rbt_insert(buf_pool->flush_rbt, &bpage, &bpage); + ut_a(c_node != NULL); + + /* Get the predecessor. */ + p_node = rbt_prev(buf_pool->flush_rbt, c_node); + + if (p_node != NULL) { + prev = *rbt_value(buf_page_t*, p_node); + ut_a(prev != NULL); + } + + return(prev); +} + +/*********************************************************//** +Delete a bpage from the flush_rbt. */ +static +void +buf_flush_delete_from_flush_rbt( +/*============================*/ + buf_page_t* bpage) /*!< in: bpage to be removed. */ +{ + + ibool ret = FALSE; + + ut_ad(buf_flush_list_mutex_own()); + + ret = rbt_delete(buf_pool->flush_rbt, &bpage); + ut_ad(ret); +} + +/*****************************************************************//** +Compare two modified blocks in the buffer pool. The key for comparison +is: +key = +This comparison is used to maintian ordering of blocks in the +buf_pool->flush_rbt. +Note that for the purpose of flush_rbt, we only need to order blocks +on the oldest_modification. The other two fields are used to uniquely +identify the blocks. +@return < 0 if b2 < b1, 0 if b2 == b1, > 0 if b2 > b1 */ +static +int +buf_flush_block_cmp( +/*================*/ + const void* p1, /*!< in: block1 */ + const void* p2) /*!< in: block2 */ +{ + int ret; + const buf_page_t* b1 = *(const buf_page_t**) p1; + const buf_page_t* b2 = *(const buf_page_t**) p2; + + ut_ad(b1 != NULL); + ut_ad(b2 != NULL); + + ut_ad(buf_flush_list_mutex_own()); + + ut_ad(b1->in_flush_list); + ut_ad(b2->in_flush_list); + + if (b2->oldest_modification + > b1->oldest_modification) { + return(1); + } + + if (b2->oldest_modification + < b1->oldest_modification) { + return(-1); + } + + /* If oldest_modification is same then decide on the space. */ + ret = (int)(b2->space - b1->space); + + /* Or else decide ordering on the offset field. */ + return(ret ? ret : (int)(b2->offset - b1->offset)); +} + +/********************************************************************//** +Initialize the red-black tree to speed up insertions into the flush_list +during recovery process. Should be called at the start of recovery +process before any page has been read/written. */ +UNIV_INTERN +void +buf_flush_init_flush_rbt(void) +/*==========================*/ +{ + buf_flush_list_mutex_enter(); + + /* Create red black tree for speedy insertions in flush list. */ + buf_pool->flush_rbt = rbt_create(sizeof(buf_page_t*), + buf_flush_block_cmp); + buf_flush_list_mutex_exit(); +} + +/********************************************************************//** +Frees up the red-black tree. */ +UNIV_INTERN +void +buf_flush_free_flush_rbt(void) +/*==========================*/ +{ + buf_flush_list_mutex_enter(); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + rbt_free(buf_pool->flush_rbt); + buf_pool->flush_rbt = NULL; + + buf_flush_list_mutex_exit(); +} + +/********************************************************************//** +Inserts a modified block into the flush list. */ +UNIV_INTERN +void +buf_flush_insert_into_flush_list( +/*=============================*/ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ +{ + ut_ad(!buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); + + buf_flush_list_mutex_enter(); + + ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) + || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification + <= lsn)); + + /* If we are in the recovery then we need to update the flush + red-black tree as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_list_mutex_exit(); + buf_flush_insert_sorted_into_flush_list(block, lsn); + return; + } + + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(!block->page.in_flush_list); + + ut_d(block->page.in_flush_list = TRUE); + block->page.oldest_modification = lsn; + UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); +} + +/********************************************************************//** +Inserts a modified block into the flush list in the right sorted position. +This function is used by recovery, because there the modifications do not +necessarily come in the order of lsn's. */ +UNIV_INTERN +void +buf_flush_insert_sorted_into_flush_list( +/*====================================*/ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ +{ + buf_page_t* prev_b; + buf_page_t* b; + + ut_ad(!buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + buf_flush_list_mutex_enter(); + + ut_ad(!block->page.in_flush_list); + ut_d(block->page.in_flush_list = TRUE); + block->page.oldest_modification = lsn; + + prev_b = NULL; + + /* For the most part when this function is called the flush_rbt + should not be NULL. In a very rare boundary case it is possible + that the flush_rbt has already been freed by the recovery thread + before the last page was hooked up in the flush_list by the + io-handler thread. In that case we'll just do a simple + linear search in the else block. */ + if (buf_pool->flush_rbt) { + + prev_b = buf_flush_insert_in_flush_rbt(&block->page); + + } else { + + b = UT_LIST_GET_FIRST(buf_pool->flush_list); + + while (b && b->oldest_modification + > block->page.oldest_modification) { + ut_ad(b->in_flush_list); + prev_b = b; + b = UT_LIST_GET_NEXT(list, b); + } + } + + if (prev_b == NULL) { + UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); + } else { + UT_LIST_INSERT_AFTER(list, buf_pool->flush_list, + prev_b, &block->page); + } + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); +} + +/********************************************************************//** +Returns TRUE if the file page block is immediately suitable for replacement, +i.e., the transition FILE_PAGE => NOT_USED allowed. +@return TRUE if can replace immediately */ +UNIV_INTERN +ibool +buf_flush_ready_for_replace( +/*========================*/ + buf_page_t* bpage) /*!< in: buffer control block, must be + buf_page_in_file(bpage) and in the LRU list */ +{ + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(bpage->in_LRU_list); + + if (UNIV_LIKELY(buf_page_in_file(bpage))) { + + return(bpage->oldest_modification == 0 + && buf_page_get_io_fix(bpage) == BUF_IO_NONE + && bpage->buf_fix_count == 0); + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: buffer block state %lu" + " in the LRU list!\n", + (ulong) buf_page_get_state(bpage)); + ut_print_buf(stderr, bpage, sizeof(buf_page_t)); + putc('\n', stderr); + + return(FALSE); +} + +/********************************************************************//** +Returns TRUE if the block is modified and ready for flushing. +@return TRUE if can flush immediately */ +UNIV_INLINE +ibool +buf_flush_ready_for_flush( +/*======================*/ + buf_page_t* bpage, /*!< in: buffer control block, must be + buf_page_in_file(bpage) */ + enum buf_flush flush_type)/*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ +{ + ut_a(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(flush_type == BUF_FLUSH_LRU || BUF_FLUSH_LIST); + + if (bpage->oldest_modification != 0 + && buf_page_get_io_fix(bpage) == BUF_IO_NONE) { + ut_ad(bpage->in_flush_list); + + if (flush_type != BUF_FLUSH_LRU) { + + return(TRUE); + + } else if (bpage->buf_fix_count == 0) { + + /* If we are flushing the LRU list, to avoid deadlocks + we require the block not to be bufferfixed, and hence + not latched. */ + + return(TRUE); + } + } + + return(FALSE); +} + +/********************************************************************//** +Remove a block from the flush list of modified blocks. */ +UNIV_INTERN +void +buf_flush_remove( +/*=============*/ + buf_page_t* bpage) /*!< in: pointer to the block in question */ +{ + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(bpage->in_flush_list); + + buf_flush_list_mutex_enter(); + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_PAGE: + /* clean compressed pages should not be on the flush list */ + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + return; + case BUF_BLOCK_ZIP_DIRTY: + buf_page_set_state(bpage, BUF_BLOCK_ZIP_PAGE); + UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); + buf_LRU_insert_zip_clean(bpage); + break; + case BUF_BLOCK_FILE_PAGE: + UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); + break; + } + + /* If the flush_rbt is active then delete from it as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_delete_from_flush_rbt(bpage); + } + + /* Must be done after we have removed it from the flush_rbt + because we assert on in_flush_list in comparison function. */ + ut_d(bpage->in_flush_list = FALSE); + + bpage->oldest_modification = 0; + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); +} + +/*******************************************************************//** +Relocates a buffer control block on the flush_list. +Note that it is assumed that the contents of bpage has already been +copied to dpage. +IMPORTANT: When this function is called bpage and dpage are not +exact copy of each other. For example, they both will have different +::state. Also the ::list pointers in dpage may be stale. We need to +use the current list node (bpage) to do the list manipulation because +the list pointers could have changed between the time that we copied +the contents of bpage to the dpage and the flush list manipulation +below. */ +UNIV_INTERN +void +buf_flush_relocate_on_flush_list( +/*=============================*/ + buf_page_t* bpage, /*!< in/out: control block being moved */ + buf_page_t* dpage) /*!< in/out: destination block */ +{ + buf_page_t* prev; + buf_page_t* prev_b = NULL; + + ut_ad(buf_pool_mutex_own()); + + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + + buf_flush_list_mutex_enter(); + + /* FIXME: At this point we have both buf_pool and flush_list + mutexes. Theoratically removal of a block from flush list is + only covered by flush_list mutex but currently we do + have buf_pool mutex in buf_flush_remove() therefore this block + is guaranteed to be in the flush list. We need to check if + this will work without the assumption of block removing code + having the buf_pool mutex. */ + ut_ad(bpage->in_flush_list); + ut_ad(dpage->in_flush_list); + + /* If recovery is active we must swap the control blocks in + the flush_rbt as well. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_flush_delete_from_flush_rbt(bpage); + prev_b = buf_flush_insert_in_flush_rbt(dpage); + } + + /* Must be done after we have removed it from the flush_rbt + because we assert on in_flush_list in comparison function. */ + ut_d(bpage->in_flush_list = FALSE); + + prev = UT_LIST_GET_PREV(list, bpage); + UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); + + if (prev) { + ut_ad(prev->in_flush_list); + UT_LIST_INSERT_AFTER( + list, + buf_pool->flush_list, + prev, dpage); + } else { + UT_LIST_ADD_FIRST( + list, + buf_pool->flush_list, + dpage); + } + + /* Just an extra check. Previous in flush_list + should be the same control block as in flush_rbt. */ + ut_a(!buf_pool->flush_rbt || prev_b == prev); + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ut_a(buf_flush_validate_low()); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + + buf_flush_list_mutex_exit(); +} + +/********************************************************************//** +Updates the flush system data structures when a write is completed. */ +UNIV_INTERN +void +buf_flush_write_complete( +/*=====================*/ + buf_page_t* bpage) /*!< in: pointer to the block in question */ +{ + enum buf_flush flush_type; + + ut_ad(bpage); + + buf_flush_remove(bpage); + + flush_type = buf_page_get_flush_type(bpage); + buf_pool->n_flush[flush_type]--; + + if (flush_type == BUF_FLUSH_LRU) { + /* Put the block to the end of the LRU list to wait to be + moved to the free list */ + + buf_LRU_make_block_old(bpage); + + buf_pool->LRU_flush_ended++; + } + + /* fprintf(stderr, "n pending flush %lu\n", + buf_pool->n_flush[flush_type]); */ + + if ((buf_pool->n_flush[flush_type] == 0) + && (buf_pool->init_flush[flush_type] == FALSE)) { + + /* The running flush batch has ended */ + + os_event_set(buf_pool->no_flush[flush_type]); + } +} + +/********************************************************************//** +Flush a batch of writes to the datafiles that have already been +written by the OS. */ +static +void +buf_flush_sync_datafiles(void) +/*==========================*/ +{ + /* Wake possible simulated aio thread to actually post the + writes to the operating system */ + os_aio_simulated_wake_handler_threads(); + + /* Wait that all async writes to tablespaces have been posted to + the OS */ + os_aio_wait_until_no_pending_writes(); + + /* Now we flush the data to disk (for example, with fsync) */ + fil_flush_file_spaces(FIL_TABLESPACE); + + return; +} + +/********************************************************************//** +Flushes possible buffered writes from the doublewrite memory buffer to disk, +and also wakes up the aio thread if simulated aio is used. It is very +important to call this function after a batch of writes has been posted, +and also when we may have to wait for a page latch! Otherwise a deadlock +of threads can occur. */ +static +void +buf_flush_buffered_writes(void) +/*===========================*/ +{ + byte* write_buf; + ulint len; + ulint len2; + ulint i; + + if (!srv_use_doublewrite_buf || trx_doublewrite == NULL) { + /* Sync the writes to the disk. */ + buf_flush_sync_datafiles(); + return; + } + + mutex_enter(&(trx_doublewrite->mutex)); + + /* Write first to doublewrite buffer blocks. We use synchronous + aio and thus know that file write has been completed when the + control returns. */ + + if (trx_doublewrite->first_free == 0) { + + mutex_exit(&(trx_doublewrite->mutex)); + + return; + } + + for (i = 0; i < trx_doublewrite->first_free; i++) { + + const buf_block_t* block; + + block = (buf_block_t*) trx_doublewrite->buf_block_arr[i]; + + if (buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE + || block->page.zip.data) { + /* No simple validate for compressed pages exists. */ + continue; + } + + if (UNIV_UNLIKELY + (memcmp(block->frame + (FIL_PAGE_LSN + 4), + block->frame + (UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), + 4))) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: The page to be written" + " seems corrupt!\n" + "InnoDB: The lsn fields do not match!" + " Noticed in the buffer pool\n" + "InnoDB: before posting to the" + " doublewrite buffer.\n"); + } + + if (!block->check_index_page_at_flush) { + } else if (page_is_comp(block->frame)) { + if (UNIV_UNLIKELY + (!page_simple_validate_new(block->frame))) { +corrupted_page: + buf_page_print(block->frame, 0); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Apparent corruption of an" + " index page n:o %lu in space %lu\n" + "InnoDB: to be written to data file." + " We intentionally crash server\n" + "InnoDB: to prevent corrupt data" + " from ending up in data\n" + "InnoDB: files.\n", + (ulong) buf_block_get_page_no(block), + (ulong) buf_block_get_space(block)); + + ut_error; + } + } else if (UNIV_UNLIKELY + (!page_simple_validate_old(block->frame))) { + + goto corrupted_page; + } + } + + /* increment the doublewrite flushed pages counter */ + srv_dblwr_pages_written+= trx_doublewrite->first_free; + srv_dblwr_writes++; + + len = ut_min(TRX_SYS_DOUBLEWRITE_BLOCK_SIZE, + trx_doublewrite->first_free) * UNIV_PAGE_SIZE; + + write_buf = trx_doublewrite->write_buf; + i = 0; + + fil_io(OS_FILE_WRITE, TRUE, TRX_SYS_SPACE, 0, + trx_doublewrite->block1, 0, len, + (void*) write_buf, NULL); + + for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; + len2 += UNIV_PAGE_SIZE, i++) { + const buf_block_t* block = (buf_block_t*) + trx_doublewrite->buf_block_arr[i]; + + if (UNIV_LIKELY(!block->page.zip.data) + && UNIV_LIKELY(buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE) + && UNIV_UNLIKELY + (memcmp(write_buf + len2 + (FIL_PAGE_LSN + 4), + write_buf + len2 + + (UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), 4))) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: The page to be written" + " seems corrupt!\n" + "InnoDB: The lsn fields do not match!" + " Noticed in the doublewrite block1.\n"); + } + } + + if (trx_doublewrite->first_free <= TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + goto flush; + } + + len = (trx_doublewrite->first_free - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) + * UNIV_PAGE_SIZE; + + write_buf = trx_doublewrite->write_buf + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE; + ut_ad(i == TRX_SYS_DOUBLEWRITE_BLOCK_SIZE); + + fil_io(OS_FILE_WRITE, TRUE, TRX_SYS_SPACE, 0, + trx_doublewrite->block2, 0, len, + (void*) write_buf, NULL); + + for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; + len2 += UNIV_PAGE_SIZE, i++) { + const buf_block_t* block = (buf_block_t*) + trx_doublewrite->buf_block_arr[i]; + + if (UNIV_LIKELY(!block->page.zip.data) + && UNIV_LIKELY(buf_block_get_state(block) + == BUF_BLOCK_FILE_PAGE) + && UNIV_UNLIKELY + (memcmp(write_buf + len2 + (FIL_PAGE_LSN + 4), + write_buf + len2 + + (UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), 4))) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: The page to be" + " written seems corrupt!\n" + "InnoDB: The lsn fields do not match!" + " Noticed in" + " the doublewrite block2.\n"); + } + } + +flush: + /* Now flush the doublewrite buffer data to disk */ + + fil_flush(TRX_SYS_SPACE); + + /* We know that the writes have been flushed to disk now + and in recovery we will find them in the doublewrite buffer + blocks. Next do the writes to the intended positions. */ + + for (i = 0; i < trx_doublewrite->first_free; i++) { + const buf_block_t* block = (buf_block_t*) + trx_doublewrite->buf_block_arr[i]; + + ut_a(buf_page_in_file(&block->page)); + if (UNIV_LIKELY_NULL(block->page.zip.data)) { + fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, + FALSE, buf_page_get_space(&block->page), + buf_page_get_zip_size(&block->page), + buf_page_get_page_no(&block->page), 0, + buf_page_get_zip_size(&block->page), + (void*)block->page.zip.data, + (void*)block); + + /* Increment the counter of I/O operations used + for selecting LRU policy. */ + buf_LRU_stat_inc_io(); + + continue; + } + + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + if (UNIV_UNLIKELY(memcmp(block->frame + (FIL_PAGE_LSN + 4), + block->frame + + (UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), + 4))) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: The page to be written" + " seems corrupt!\n" + "InnoDB: The lsn fields do not match!" + " Noticed in the buffer pool\n" + "InnoDB: after posting and flushing" + " the doublewrite buffer.\n" + "InnoDB: Page buf fix count %lu," + " io fix %lu, state %lu\n", + (ulong)block->page.buf_fix_count, + (ulong)buf_block_get_io_fix(block), + (ulong)buf_block_get_state(block)); + } + + fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, + FALSE, buf_block_get_space(block), 0, + buf_block_get_page_no(block), 0, UNIV_PAGE_SIZE, + (void*)block->frame, (void*)block); + + /* Increment the counter of I/O operations used + for selecting LRU policy. */ + buf_LRU_stat_inc_io(); + } + + /* Sync the writes to the disk. */ + buf_flush_sync_datafiles(); + + /* We can now reuse the doublewrite memory buffer: */ + trx_doublewrite->first_free = 0; + + mutex_exit(&(trx_doublewrite->mutex)); +} + +/********************************************************************//** +Posts a buffer page for writing. If the doublewrite memory buffer is +full, calls buf_flush_buffered_writes and waits for for free space to +appear. */ +static +void +buf_flush_post_to_doublewrite_buf( +/*==============================*/ + buf_page_t* bpage) /*!< in: buffer block to write */ +{ + ulint zip_size; +try_again: + mutex_enter(&(trx_doublewrite->mutex)); + + ut_a(buf_page_in_file(bpage)); + + if (trx_doublewrite->first_free + >= 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + mutex_exit(&(trx_doublewrite->mutex)); + + buf_flush_buffered_writes(); + + goto try_again; + } + + zip_size = buf_page_get_zip_size(bpage); + + if (UNIV_UNLIKELY(zip_size)) { + /* Copy the compressed page and clear the rest. */ + memcpy(trx_doublewrite->write_buf + + UNIV_PAGE_SIZE * trx_doublewrite->first_free, + bpage->zip.data, zip_size); + memset(trx_doublewrite->write_buf + + UNIV_PAGE_SIZE * trx_doublewrite->first_free + + zip_size, 0, UNIV_PAGE_SIZE - zip_size); + } else { + ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); + + memcpy(trx_doublewrite->write_buf + + UNIV_PAGE_SIZE * trx_doublewrite->first_free, + ((buf_block_t*) bpage)->frame, UNIV_PAGE_SIZE); + } + + trx_doublewrite->buf_block_arr[trx_doublewrite->first_free] = bpage; + + trx_doublewrite->first_free++; + + if (trx_doublewrite->first_free + >= 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + mutex_exit(&(trx_doublewrite->mutex)); + + buf_flush_buffered_writes(); + + return; + } + + mutex_exit(&(trx_doublewrite->mutex)); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Initializes a page for writing to the tablespace. */ +UNIV_INTERN +void +buf_flush_init_for_writing( +/*=======================*/ + byte* page, /*!< in/out: page */ + void* page_zip_, /*!< in/out: compressed page, or NULL */ + ib_uint64_t newest_lsn) /*!< in: newest modification lsn + to the page */ +{ + ut_ad(page); + + if (page_zip_) { + page_zip_des_t* page_zip = page_zip_; + ulint zip_size = page_zip_get_size(page_zip); + ut_ad(zip_size); + ut_ad(ut_is_2pow(zip_size)); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + + switch (UNIV_EXPECT(fil_page_get_type(page), FIL_PAGE_INDEX)) { + case FIL_PAGE_TYPE_ALLOCATED: + case FIL_PAGE_INODE: + case FIL_PAGE_IBUF_BITMAP: + case FIL_PAGE_TYPE_FSP_HDR: + case FIL_PAGE_TYPE_XDES: + /* These are essentially uncompressed pages. */ + memcpy(page_zip->data, page, zip_size); + /* fall through */ + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + case FIL_PAGE_INDEX: + mach_write_ull(page_zip->data + + FIL_PAGE_LSN, newest_lsn); + memset(page_zip->data + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); + mach_write_to_4(page_zip->data + + FIL_PAGE_SPACE_OR_CHKSUM, + srv_use_checksums + ? page_zip_calc_checksum( + page_zip->data, zip_size) + : BUF_NO_CHECKSUM_MAGIC); + return; + } + + ut_print_timestamp(stderr); + fputs(" InnoDB: ERROR: The compressed page to be written" + " seems corrupt:", stderr); + ut_print_buf(stderr, page, zip_size); + fputs("\nInnoDB: Possibly older version of the page:", stderr); + ut_print_buf(stderr, page_zip->data, zip_size); + putc('\n', stderr); + ut_error; + } + + /* Write the newest modification lsn to the page header and trailer */ + mach_write_ull(page + FIL_PAGE_LSN, newest_lsn); + + mach_write_ull(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, + newest_lsn); + + /* Store the new formula checksum */ + + mach_write_to_4(page + FIL_PAGE_SPACE_OR_CHKSUM, + srv_use_checksums + ? buf_calc_page_new_checksum(page) + : BUF_NO_CHECKSUM_MAGIC); + + /* We overwrite the first 4 bytes of the end lsn field to store + the old formula checksum. Since it depends also on the field + FIL_PAGE_SPACE_OR_CHKSUM, it has to be calculated after storing the + new formula checksum. */ + + mach_write_to_4(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, + srv_use_checksums + ? buf_calc_page_old_checksum(page) + : BUF_NO_CHECKSUM_MAGIC); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Does an asynchronous write of a buffer page. NOTE: in simulated aio and +also when the doublewrite buffer is used, we must call +buf_flush_buffered_writes after we have posted a batch of writes! */ +static +void +buf_flush_write_block_low( +/*======================*/ + buf_page_t* bpage) /*!< in: buffer block to write */ +{ + ulint zip_size = buf_page_get_zip_size(bpage); + page_t* frame = NULL; +#ifdef UNIV_LOG_DEBUG + static ibool univ_log_debug_warned; +#endif /* UNIV_LOG_DEBUG */ + + ut_ad(buf_page_in_file(bpage)); + + /* We are not holding buf_pool_mutex or block_mutex here. + Nevertheless, it is safe to access bpage, because it is + io_fixed and oldest_modification != 0. Thus, it cannot be + relocated in the buffer pool or removed from flush_list or + LRU_list. */ + ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); + ut_ad(!mutex_own(buf_page_get_mutex(bpage))); + ut_ad(buf_page_get_io_fix(bpage) == BUF_IO_WRITE); + ut_ad(bpage->oldest_modification != 0); + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); +#endif + ut_ad(bpage->newest_modification != 0); + +#ifdef UNIV_LOG_DEBUG + if (!univ_log_debug_warned) { + univ_log_debug_warned = TRUE; + fputs("Warning: cannot force log to disk if" + " UNIV_LOG_DEBUG is defined!\n" + "Crash recovery will not work!\n", + stderr); + } +#else + /* Force the log to the disk before writing the modified block */ + log_write_up_to(bpage->newest_modification, LOG_WAIT_ALL_GROUPS, TRUE); +#endif + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: /* The page should be dirty. */ + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + case BUF_BLOCK_ZIP_DIRTY: + frame = bpage->zip.data; + if (UNIV_LIKELY(srv_use_checksums)) { + ut_a(mach_read_from_4(frame + FIL_PAGE_SPACE_OR_CHKSUM) + == page_zip_calc_checksum(frame, zip_size)); + } + mach_write_ull(frame + FIL_PAGE_LSN, + bpage->newest_modification); + memset(frame + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); + break; + case BUF_BLOCK_FILE_PAGE: + frame = bpage->zip.data; + if (!frame) { + frame = ((buf_block_t*) bpage)->frame; + } + + buf_flush_init_for_writing(((buf_block_t*) bpage)->frame, + bpage->zip.data + ? &bpage->zip : NULL, + bpage->newest_modification); + break; + } + + if (!srv_use_doublewrite_buf || !trx_doublewrite) { + fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, + FALSE, buf_page_get_space(bpage), zip_size, + buf_page_get_page_no(bpage), 0, + zip_size ? zip_size : UNIV_PAGE_SIZE, + frame, bpage); + } else { + buf_flush_post_to_doublewrite_buf(bpage); + } +} + +/********************************************************************//** +Writes a flushable page asynchronously from the buffer pool to a file. +NOTE: in simulated aio we must call +os_aio_simulated_wake_handler_threads after we have posted a batch of +writes! NOTE: buf_pool_mutex and buf_page_get_mutex(bpage) must be +held upon entering this function, and they will be released by this +function. */ +static +void +buf_flush_page( +/*===========*/ + buf_page_t* bpage, /*!< in: buffer control block */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ +{ + mutex_t* block_mutex; + ibool is_uncompressed; + + ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_in_file(bpage)); + + block_mutex = buf_page_get_mutex(bpage); + ut_ad(mutex_own(block_mutex)); + + ut_ad(buf_flush_ready_for_flush(bpage, flush_type)); + + buf_page_set_io_fix(bpage, BUF_IO_WRITE); + + buf_page_set_flush_type(bpage, flush_type); + + if (buf_pool->n_flush[flush_type] == 0) { + + os_event_reset(buf_pool->no_flush[flush_type]); + } + + buf_pool->n_flush[flush_type]++; + + is_uncompressed = (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); + ut_ad(is_uncompressed == (block_mutex != &buf_pool_zip_mutex)); + + switch (flush_type) { + ibool is_s_latched; + case BUF_FLUSH_LIST: + /* If the simulated aio thread is not running, we must + not wait for any latch, as we may end up in a deadlock: + if buf_fix_count == 0, then we know we need not wait */ + + is_s_latched = (bpage->buf_fix_count == 0); + if (is_s_latched && is_uncompressed) { + rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, + BUF_IO_WRITE); + } + + mutex_exit(block_mutex); + buf_pool_mutex_exit(); + + /* Even though bpage is not protected by any mutex at + this point, it is safe to access bpage, because it is + io_fixed and oldest_modification != 0. Thus, it + cannot be relocated in the buffer pool or removed from + flush_list or LRU_list. */ + + if (!is_s_latched) { + buf_flush_buffered_writes(); + + if (is_uncompressed) { + rw_lock_s_lock_gen(&((buf_block_t*) bpage) + ->lock, BUF_IO_WRITE); + } + } + + break; + + case BUF_FLUSH_LRU: + /* VERY IMPORTANT: + Because any thread may call the LRU flush, even when owning + locks on pages, to avoid deadlocks, we must make sure that the + s-lock is acquired on the page without waiting: this is + accomplished because buf_flush_ready_for_flush() must hold, + and that requires the page not to be bufferfixed. */ + + if (is_uncompressed) { + rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, + BUF_IO_WRITE); + } + + /* Note that the s-latch is acquired before releasing the + buf_pool mutex: this ensures that the latch is acquired + immediately. */ + + mutex_exit(block_mutex); + buf_pool_mutex_exit(); + break; + + default: + ut_error; + } + + /* Even though bpage is not protected by any mutex at this + point, it is safe to access bpage, because it is io_fixed and + oldest_modification != 0. Thus, it cannot be relocated in the + buffer pool or removed from flush_list or LRU_list. */ + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, + "Flushing %u space %u page %u\n", + flush_type, bpage->space, bpage->offset); + } +#endif /* UNIV_DEBUG */ + buf_flush_write_block_low(bpage); +} + +/***********************************************************//** +Flushes to disk all flushable pages within the flush area. +@return number of pages flushed */ +static +ulint +buf_flush_try_neighbors( +/*====================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page offset */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or + BUF_FLUSH_LIST */ +{ + buf_page_t* bpage; + ulint low, high; + ulint count = 0; + ulint i; + + ut_ad(flush_type == BUF_FLUSH_LRU + || flush_type == BUF_FLUSH_LIST); + + if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { + /* If there is little space, it is better not to flush + any block except from the end of the LRU list */ + + low = offset; + high = offset + 1; + } else { + /* When flushed, dirty blocks are searched in + neighborhoods of this size, and flushed along with the + original page. */ + + ulint buf_flush_area = ut_min(BUF_READ_AHEAD_AREA, + buf_pool->curr_size / 16); + + low = (offset / buf_flush_area) * buf_flush_area; + high = (offset / buf_flush_area + 1) * buf_flush_area; + } + + /* fprintf(stderr, "Flush area: low %lu high %lu\n", low, high); */ + + if (high > fil_space_get_size(space)) { + high = fil_space_get_size(space); + } + + buf_pool_mutex_enter(); + + for (i = low; i < high; i++) { + + bpage = buf_page_hash_get(space, i); + + if (!bpage) { + + continue; + } + + ut_a(buf_page_in_file(bpage)); + + /* We avoid flushing 'non-old' blocks in an LRU flush, + because the flushed blocks are soon freed */ + + if (flush_type != BUF_FLUSH_LRU + || i == offset + || buf_page_is_old(bpage)) { + mutex_t* block_mutex = buf_page_get_mutex(bpage); + + mutex_enter(block_mutex); + + if (buf_flush_ready_for_flush(bpage, flush_type) + && (i == offset || !bpage->buf_fix_count)) { + /* We only try to flush those + neighbors != offset where the buf fix + count is zero, as we then know that we + probably can latch the page without a + semaphore wait. Semaphore waits are + expensive because we must flush the + doublewrite buffer before we start + waiting. */ + + buf_flush_page(bpage, flush_type); + ut_ad(!mutex_own(block_mutex)); + count++; + + buf_pool_mutex_enter(); + } else { + mutex_exit(block_mutex); + } + } + } + + buf_pool_mutex_exit(); + + return(count); +} + +/********************************************************************//** +Check if the block is modified and ready for flushing. If the the block +is ready to flush then flush the page and try o flush its neighbors. + +@return TRUE if buf_pool mutex was not released during this function. +This does not guarantee that some pages were written as well. +Number of pages written are incremented to the count. */ +static +ibool +buf_flush_page_and_try_neighbors( +/*=============================*/ + buf_page_t* bpage, /*!< in: buffer control block, + must be + buf_page_in_file(bpage) */ + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ + ulint* count) /*!< in/out: number of pages + flushed */ +{ + ibool flushed = FALSE; + mutex_t* block_mutex; + + ut_ad(buf_pool_mutex_own()); + + block_mutex = buf_page_get_mutex(bpage); + mutex_enter(block_mutex); + + ut_a(buf_page_in_file(bpage)); + + if (buf_flush_ready_for_flush(bpage, flush_type)) { + ulint space; + ulint offset; + + buf_pool_mutex_exit(); + + /* These fields are protected by both the + buffer pool mutex and block mutex. */ + space = buf_page_get_space(bpage); + offset = buf_page_get_page_no(bpage); + + mutex_exit(block_mutex); + + /* Try to flush also all the neighbors */ + *count += buf_flush_try_neighbors(space, offset, + flush_type); + + buf_pool_mutex_enter(); + flushed = TRUE; + } else { + mutex_exit(block_mutex); + } + + ut_ad(buf_pool_mutex_own()); + + return(flushed); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the LRU list. +In the case of an LRU flush the calling thread may own latches to +pages: to avoid deadlocks, this function must be written so that it +cannot end up waiting for these latches! +@return number of blocks for which the write request was queued. */ +static +ulint +buf_flush_LRU_list_batch( +/*=====================*/ + ulint max) /*!< in: max of blocks to flush */ +{ + buf_page_t* bpage; + ulint count = 0; + + ut_ad(buf_pool_mutex_own()); + + do { + /* Start from the end of the list looking for a + suitable block to be flushed. */ + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + /* Iterate backwards over the flush list till we find + a page that isn't ready for flushing. */ + while (bpage != NULL + && !buf_flush_page_and_try_neighbors( + bpage, BUF_FLUSH_LRU, &count)) { + + bpage = UT_LIST_GET_PREV(LRU, bpage); + } + } while (bpage != NULL && count < max); + + /* We keep track of all flushes happening as part of LRU + flush. When estimating the desired rate at which flush_list + should be flushed, we factor in this value. */ + buf_lru_flush_page_count += count; + + ut_ad(buf_pool_mutex_own()); + + return(count); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the flush_list. +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already +running */ +static +ulint +buf_flush_flush_list_batch( +/*=======================*/ + ulint min_n, /*!< in: wished minimum mumber + of blocks flushed (it is not + guaranteed that the actual + number is that big, though) */ + ib_uint64_t lsn_limit) /*!< all blocks whose + oldest_modification is smaller + than this should be flushed (if + their number does not exceed + min_n) */ +{ + ulint len; + buf_page_t* bpage; + ulint count = 0; + + ut_ad(buf_pool_mutex_own()); + + /* If we have flushed enough, leave the loop */ + do { + /* Start from the end of the list looking for a suitable + block to be flushed. */ + + buf_flush_list_mutex_enter(); + + /* We use len here because theoratically insertions can + happen in the flush_list below while we are traversing + it for a suitable candidate for flushing. We'd like to + set a limit on how farther we are willing to traverse + the list. */ + len = UT_LIST_GET_LEN(buf_pool->flush_list); + bpage = UT_LIST_GET_LAST(buf_pool->flush_list); + + if (bpage) { + ut_a(bpage->oldest_modification > 0); + } + + + if (!bpage || bpage->oldest_modification >= lsn_limit) { + + /* We have flushed enough */ + buf_flush_list_mutex_exit(); + break; + } + + ut_a(bpage->oldest_modification > 0); + + ut_ad(bpage->in_flush_list); + + buf_flush_list_mutex_exit(); + + /* The list may change during the flushing and we cannot + safely preserve within this function a pointer to a + block in the list! */ + while (bpage != NULL + && len > 0 + && !buf_flush_page_and_try_neighbors( + bpage, BUF_FLUSH_LIST, &count)) { + + buf_flush_list_mutex_enter(); + + /* If we are here that means that buf_pool + mutex was not released in + buf_flush_page_and_try_neighbors() above and + this guarantees that bpage didn't get + relocated since we released the flush_list + mutex above. There is a chance, however, that + the bpage got removed from flush_list (not + currently possible because flush_list_remove() + also obtains buf_pool mutex but that may change + in future). To avoid this scenario we check + the oldest_modification and if it is zero + we start all over again. */ + if (bpage->oldest_modification == 0) { + buf_flush_list_mutex_exit(); + break; + } + bpage = UT_LIST_GET_PREV(list, bpage); + + ut_ad(!bpage || bpage->in_flush_list); + + buf_flush_list_mutex_exit(); + + --len; + } + + } while (count < min_n && bpage != NULL && len > 0); + + ut_ad(buf_pool_mutex_own()); + + return(count); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the LRU list or flush_list. +NOTE 1: in the case of an LRU flush the calling thread may own latches to +pages: to avoid deadlocks, this function must be written so that it cannot +end up waiting for these latches! NOTE 2: in the case of a flush list flush, +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ +UNIV_INTERN +ulint +buf_flush_batch( +/*============*/ + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or + BUF_FLUSH_LIST; if BUF_FLUSH_LIST, + then the caller must not own any + latches on pages */ + ulint min_n, /*!< in: wished minimum mumber of blocks + flushed (it is not guaranteed that the + actual number is that big, though) */ + ib_uint64_t lsn_limit) /*!< in the case BUF_FLUSH_LIST all + blocks whose oldest_modification is + smaller than this should be flushed + (if their number does not exceed + min_n), otherwise ignored */ +{ + ulint count = 0; + + ut_ad(flush_type == BUF_FLUSH_LRU + || flush_type == BUF_FLUSH_LIST); +#ifdef UNIV_SYNC_DEBUG + ut_ad((flush_type != BUF_FLUSH_LIST) + || sync_thread_levels_empty_gen(TRUE)); +#endif /* UNIV_SYNC_DEBUG */ + buf_pool_mutex_enter(); + + if (buf_pool->n_flush[flush_type] > 0 + || buf_pool->init_flush[flush_type] == TRUE) { + + /* There is already a flush batch of the same type running */ + + buf_pool_mutex_exit(); + + return(ULINT_UNDEFINED); + } + + buf_pool->init_flush[flush_type] = TRUE; + + /* Note: The buffer pool mutex is released and reacquired within + the flush functions. */ + switch(flush_type) { + case BUF_FLUSH_LRU: + count = buf_flush_LRU_list_batch(min_n); + break; + case BUF_FLUSH_LIST: + count = buf_flush_flush_list_batch(min_n, lsn_limit); + break; + default: + ut_error; + } + + ut_ad(buf_pool_mutex_own()); + + buf_pool->init_flush[flush_type] = FALSE; + + if (buf_pool->n_flush[flush_type] == 0) { + + /* The running flush batch has ended */ + + os_event_set(buf_pool->no_flush[flush_type]); + } + + buf_pool_mutex_exit(); + + buf_flush_buffered_writes(); + +#ifdef UNIV_DEBUG + if (buf_debug_prints && count > 0) { + fprintf(stderr, flush_type == BUF_FLUSH_LRU + ? "Flushed %lu pages in LRU flush\n" + : "Flushed %lu pages in flush list flush\n", + (ulong) count); + } +#endif /* UNIV_DEBUG */ + + srv_buf_pool_flushed += count; + + return(count); +} + +/******************************************************************//** +Waits until a flush batch of the given type ends */ +UNIV_INTERN +void +buf_flush_wait_batch_end( +/*=====================*/ + enum buf_flush type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ +{ + ut_ad((type == BUF_FLUSH_LRU) || (type == BUF_FLUSH_LIST)); + + os_event_wait(buf_pool->no_flush[type]); +} + +/******************************************************************//** +Gives a recommendation of how many blocks should be flushed to establish +a big enough margin of replaceable blocks near the end of the LRU list +and in the free list. +@return number of blocks which should be flushed from the end of the +LRU list */ +static +ulint +buf_flush_LRU_recommendation(void) +/*==============================*/ +{ + buf_page_t* bpage; + ulint n_replaceable; + ulint distance = 0; + + buf_pool_mutex_enter(); + + n_replaceable = UT_LIST_GET_LEN(buf_pool->free); + + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + while ((bpage != NULL) + && (n_replaceable < BUF_FLUSH_FREE_BLOCK_MARGIN + + BUF_FLUSH_EXTRA_MARGIN) + && (distance < BUF_LRU_FREE_SEARCH_LEN)) { + + mutex_t* block_mutex = buf_page_get_mutex(bpage); + + mutex_enter(block_mutex); + + if (buf_flush_ready_for_replace(bpage)) { + n_replaceable++; + } + + mutex_exit(block_mutex); + + distance++; + + bpage = UT_LIST_GET_PREV(LRU, bpage); + } + + buf_pool_mutex_exit(); + + if (n_replaceable >= BUF_FLUSH_FREE_BLOCK_MARGIN) { + + return(0); + } + + return(BUF_FLUSH_FREE_BLOCK_MARGIN + BUF_FLUSH_EXTRA_MARGIN + - n_replaceable); +} + +/*********************************************************************//** +Flushes pages from the end of the LRU list if there is too small a margin +of replaceable pages there or in the free list. VERY IMPORTANT: this function +is called also by threads which have locks on pages. To avoid deadlocks, we +flush only pages such that the s-lock required for flushing can be acquired +immediately, without waiting. */ +UNIV_INTERN +void +buf_flush_free_margin(void) +/*=======================*/ +{ + ulint n_to_flush; + ulint n_flushed; + + n_to_flush = buf_flush_LRU_recommendation(); + + if (n_to_flush > 0) { + n_flushed = buf_flush_batch(BUF_FLUSH_LRU, n_to_flush, 0); + if (n_flushed == ULINT_UNDEFINED) { + /* There was an LRU type flush batch already running; + let us wait for it to end */ + + buf_flush_wait_batch_end(BUF_FLUSH_LRU); + } + } +} + +/********************************************************************* +Update the historical stats that we are collecting for flush rate +heuristics at the end of each interval. +Flush rate heuristic depends on (a) rate of redo log generation and +(b) the rate at which LRU flush is happening. */ +UNIV_INTERN +void +buf_flush_stat_update(void) +/*=======================*/ +{ + buf_flush_stat_t* item; + ib_uint64_t lsn_diff; + ib_uint64_t lsn; + ulint n_flushed; + + lsn = log_get_lsn(); + if (buf_flush_stat_cur.redo == 0) { + /* First time around. Just update the current LSN + and return. */ + buf_flush_stat_cur.redo = lsn; + return; + } + + item = &buf_flush_stat_arr[buf_flush_stat_arr_ind]; + + /* values for this interval */ + lsn_diff = lsn - buf_flush_stat_cur.redo; + n_flushed = buf_lru_flush_page_count + - buf_flush_stat_cur.n_flushed; + + /* add the current value and subtract the obsolete entry. */ + buf_flush_stat_sum.redo += lsn_diff - item->redo; + buf_flush_stat_sum.n_flushed += n_flushed - item->n_flushed; + + /* put current entry in the array. */ + item->redo = lsn_diff; + item->n_flushed = n_flushed; + + /* update the index */ + buf_flush_stat_arr_ind++; + buf_flush_stat_arr_ind %= BUF_FLUSH_STAT_N_INTERVAL; + + /* reset the current entry. */ + buf_flush_stat_cur.redo = lsn; + buf_flush_stat_cur.n_flushed = buf_lru_flush_page_count; +} + +/********************************************************************* +Determines the fraction of dirty pages that need to be flushed based +on the speed at which we generate redo log. Note that if redo log +is generated at a significant rate without corresponding increase +in the number of dirty pages (for example, an in-memory workload) +it can cause IO bursts of flushing. This function implements heuristics +to avoid this burstiness. +@return number of dirty pages to be flushed / second */ +UNIV_INTERN +ulint +buf_flush_get_desired_flush_rate(void) +/*==================================*/ +{ + ulint redo_avg; + ulint lru_flush_avg; + ulint n_dirty; + ulint n_flush_req; + lint rate; + ib_uint64_t lsn = log_get_lsn(); + ulint log_capacity = log_get_capacity(); + + /* log_capacity should never be zero after the initialization + of log subsystem. */ + ut_ad(log_capacity != 0); + + /* Get total number of dirty pages. It is OK to access + flush_list without holding any mtex as we are using this + only for heuristics. */ + n_dirty = UT_LIST_GET_LEN(buf_pool->flush_list); + + /* An overflow can happen if we generate more than 2^32 bytes + of redo in this interval i.e.: 4G of redo in 1 second. We can + safely consider this as infinity because if we ever come close + to 4G we'll start a synchronous flush of dirty pages. */ + /* redo_avg below is average at which redo is generated in + past BUF_FLUSH_STAT_N_INTERVAL + redo generated in the current + interval. */ + redo_avg = (ulint) (buf_flush_stat_sum.redo + / BUF_FLUSH_STAT_N_INTERVAL + + (lsn - buf_flush_stat_cur.redo)); + + /* An overflow can happen possibly if we flush more than 2^32 + pages in BUF_FLUSH_STAT_N_INTERVAL. This is a very very + unlikely scenario. Even when this happens it means that our + flush rate will be off the mark. It won't affect correctness + of any subsystem. */ + /* lru_flush_avg below is rate at which pages are flushed as + part of LRU flush in past BUF_FLUSH_STAT_N_INTERVAL + the + number of pages flushed in the current interval. */ + lru_flush_avg = buf_flush_stat_sum.n_flushed + / BUF_FLUSH_STAT_N_INTERVAL + + (buf_lru_flush_page_count + - buf_flush_stat_cur.n_flushed); + + n_flush_req = (n_dirty * redo_avg) / log_capacity; + + /* The number of pages that we want to flush from the flush + list is the difference between the required rate and the + number of pages that we are historically flushing from the + LRU list */ + rate = n_flush_req - lru_flush_avg; + return(rate > 0 ? (ulint) rate : 0); +} + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/******************************************************************//** +Validates the flush list. +@return TRUE if ok */ +static +ibool +buf_flush_validate_low(void) +/*========================*/ +{ + buf_page_t* bpage; + const ib_rbt_node_t* rnode = NULL; + + ut_ad(buf_flush_list_mutex_own()); + + UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, + ut_ad(ut_list_node_313->in_flush_list)); + + bpage = UT_LIST_GET_FIRST(buf_pool->flush_list); + + /* If we are in recovery mode i.e.: flush_rbt != NULL + then each block in the flush_list must also be present + in the flush_rbt. */ + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + rnode = rbt_first(buf_pool->flush_rbt); + } + + while (bpage != NULL) { + const ib_uint64_t om = bpage->oldest_modification; + ut_ad(bpage->in_flush_list); + + /* A page in flush_list can be in BUF_BLOCK_REMOVE_HASH + state. This happens when a page is in the middle of + being relocated. In that case the original descriptor + can have this state and still be in the flush list + waiting to acquire the flush_list_mutex to complete + the relocation. */ + ut_a(buf_page_in_file(bpage) + || buf_page_get_state(bpage) + == BUF_BLOCK_REMOVE_HASH); + ut_a(om > 0); + + if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + ut_a(rnode); + buf_page_t* rpage = *rbt_value(buf_page_t*, + rnode); + ut_a(rpage); + ut_a(rpage == bpage); + rnode = rbt_next(buf_pool->flush_rbt, rnode); + } + + bpage = UT_LIST_GET_NEXT(list, bpage); + + ut_a(!bpage || om >= bpage->oldest_modification); + } + + /* By this time we must have exhausted the traversal of + flush_rbt (if active) as well. */ + ut_a(rnode == NULL); + + return(TRUE); +} + +/******************************************************************//** +Validates the flush list. +@return TRUE if ok */ +UNIV_INTERN +ibool +buf_flush_validate(void) +/*====================*/ +{ + ibool ret; + + buf_flush_list_mutex_enter(); + + ret = buf_flush_validate_low(); + + buf_flush_list_mutex_exit(); + + return(ret); +} +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/buf/buf0lru.c b/perfschema/buf/buf0lru.c new file mode 100644 index 00000000000..c7feb3ae79b --- /dev/null +++ b/perfschema/buf/buf0lru.c @@ -0,0 +1,2135 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file buf/buf0lru.c +The database buffer replacement algorithm + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#include "buf0lru.h" + +#ifdef UNIV_NONINL +#include "buf0lru.ic" +#endif + +#include "ut0byte.h" +#include "ut0lst.h" +#include "ut0rnd.h" +#include "sync0sync.h" +#include "sync0rw.h" +#include "hash0hash.h" +#include "os0sync.h" +#include "fil0fil.h" +#include "btr0btr.h" +#include "buf0buddy.h" +#include "buf0buf.h" +#include "buf0flu.h" +#include "buf0rea.h" +#include "btr0sea.h" +#include "ibuf0ibuf.h" +#include "os0file.h" +#include "page0zip.h" +#include "log0recv.h" +#include "srv0srv.h" + +/** The number of blocks from the LRU_old pointer onward, including +the block pointed to, must be buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV +of the whole LRU list length, except that the tolerance defined below +is allowed. Note that the tolerance must be small enough such that for +even the BUF_LRU_OLD_MIN_LEN long LRU list, the LRU_old pointer is not +allowed to point to either end of the LRU list. */ + +#define BUF_LRU_OLD_TOLERANCE 20 + +/** The minimum amount of non-old blocks when the LRU_old list exists +(that is, when there are more than BUF_LRU_OLD_MIN_LEN blocks). +@see buf_LRU_old_adjust_len */ +#define BUF_LRU_NON_OLD_MIN_LEN 5 +#if BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN +# error "BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN" +#endif + +/** When dropping the search hash index entries before deleting an ibd +file, we build a local array of pages belonging to that tablespace +in the buffer pool. Following is the size of that array. */ +#define BUF_LRU_DROP_SEARCH_HASH_SIZE 1024 + +/** If we switch on the InnoDB monitor because there are too few available +frames in the buffer pool, we set this to TRUE */ +static ibool buf_lru_switched_on_innodb_mon = FALSE; + +/******************************************************************//** +These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O +and page_zip_decompress() operations. Based on the statistics, +buf_LRU_evict_from_unzip_LRU() decides if we want to evict from +unzip_LRU or the regular LRU. From unzip_LRU, we will only evict the +uncompressed frame (meaning we can evict dirty blocks as well). From +the regular LRU, we will evict the entire block (i.e.: both the +uncompressed and compressed data), which must be clean. */ + +/* @{ */ + +/** Number of intervals for which we keep the history of these stats. +Each interval is 1 second, defined by the rate at which +srv_error_monitor_thread() calls buf_LRU_stat_update(). */ +#define BUF_LRU_STAT_N_INTERVAL 50 + +/** Co-efficient with which we multiply I/O operations to equate them +with page_zip_decompress() operations. */ +#define BUF_LRU_IO_TO_UNZIP_FACTOR 50 + +/** Sampled values buf_LRU_stat_cur. +Protected by buf_pool_mutex. Updated by buf_LRU_stat_update(). */ +static buf_LRU_stat_t buf_LRU_stat_arr[BUF_LRU_STAT_N_INTERVAL]; +/** Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ +static ulint buf_LRU_stat_arr_ind; + +/** Current operation counters. Not protected by any mutex. Cleared +by buf_LRU_stat_update(). */ +UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_cur; + +/** Running sum of past values of buf_LRU_stat_cur. +Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; + +/* @} */ + +/** @name Heuristics for detecting index scan @{ */ +/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for +"old" blocks. Protected by buf_pool_mutex. */ +UNIV_INTERN uint buf_LRU_old_ratio; +/** Move blocks to "new" LRU list only if the first access was at +least this many milliseconds ago. Not protected by any mutex or latch. */ +UNIV_INTERN uint buf_LRU_old_threshold_ms; +/* @} */ + +/******************************************************************//** +Takes a block out of the LRU list and page hash table. +If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), +the object will be freed and buf_pool_zip_mutex will be released. + +If a compressed page or a compressed-only block descriptor is freed, +other compressed pages or compressed-only block descriptors may be +relocated. +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state +was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ +static +enum buf_page_state +buf_LRU_block_remove_hashed_page( +/*=============================*/ + buf_page_t* bpage, /*!< in: block, must contain a file page and + be in a state where it can be freed; there + may or may not be a hash index to the page */ + ibool zip); /*!< in: TRUE if should remove also the + compressed page of an uncompressed page */ +/******************************************************************//** +Puts a file page whose has no hash index to the free list. */ +static +void +buf_LRU_block_free_hashed_page( +/*===========================*/ + buf_block_t* block); /*!< in: block, must contain a file page and + be in a state where it can be freed */ + +/******************************************************************//** +Determines if the unzip_LRU list should be used for evicting a victim +instead of the general LRU list. +@return TRUE if should use unzip_LRU */ +UNIV_INLINE +ibool +buf_LRU_evict_from_unzip_LRU(void) +/*==============================*/ +{ + ulint io_avg; + ulint unzip_avg; + + ut_ad(buf_pool_mutex_own()); + + /* If the unzip_LRU list is empty, we can only use the LRU. */ + if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0) { + return(FALSE); + } + + /* If unzip_LRU is at most 10% of the size of the LRU list, + then use the LRU. This slack allows us to keep hot + decompressed pages in the buffer pool. */ + if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) + <= UT_LIST_GET_LEN(buf_pool->LRU) / 10) { + return(FALSE); + } + + /* If eviction hasn't started yet, we assume by default + that a workload is disk bound. */ + if (buf_pool->freed_page_clock == 0) { + return(TRUE); + } + + /* Calculate the average over past intervals, and add the values + of the current interval. */ + io_avg = buf_LRU_stat_sum.io / BUF_LRU_STAT_N_INTERVAL + + buf_LRU_stat_cur.io; + unzip_avg = buf_LRU_stat_sum.unzip / BUF_LRU_STAT_N_INTERVAL + + buf_LRU_stat_cur.unzip; + + /* Decide based on our formula. If the load is I/O bound + (unzip_avg is smaller than the weighted io_avg), evict an + uncompressed frame from unzip_LRU. Otherwise we assume that + the load is CPU bound and evict from the regular LRU. */ + return(unzip_avg <= io_avg * BUF_LRU_IO_TO_UNZIP_FACTOR); +} + +/******************************************************************//** +Attempts to drop page hash index on a batch of pages belonging to a +particular space id. */ +static +void +buf_LRU_drop_page_hash_batch( +/*=========================*/ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + const ulint* arr, /*!< in: array of page_no */ + ulint count) /*!< in: number of entries in array */ +{ + ulint i; + + ut_ad(arr != NULL); + ut_ad(count <= BUF_LRU_DROP_SEARCH_HASH_SIZE); + + for (i = 0; i < count; ++i) { + btr_search_drop_page_hash_when_freed(space_id, zip_size, + arr[i]); + } +} + +/******************************************************************//** +When doing a DROP TABLE/DISCARD TABLESPACE we have to drop all page +hash index entries belonging to that table. This function tries to +do that in batch. Note that this is a 'best effort' attempt and does +not guarantee that ALL hash entries will be removed. */ +static +void +buf_LRU_drop_page_hash_for_tablespace( +/*==================================*/ + ulint id) /*!< in: space id */ +{ + buf_page_t* bpage; + ulint* page_arr; + ulint num_entries; + ulint zip_size; + + zip_size = fil_space_get_zip_size(id); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* Somehow, the tablespace does not exist. Nothing to drop. */ + ut_ad(0); + return; + } + + page_arr = ut_malloc(sizeof(ulint) + * BUF_LRU_DROP_SEARCH_HASH_SIZE); + buf_pool_mutex_enter(); + +scan_again: + num_entries = 0; + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + while (bpage != NULL) { + mutex_t* block_mutex = buf_page_get_mutex(bpage); + buf_page_t* prev_bpage; + + mutex_enter(block_mutex); + prev_bpage = UT_LIST_GET_PREV(LRU, bpage); + + ut_a(buf_page_in_file(bpage)); + + if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE + || bpage->space != id + || bpage->buf_fix_count > 0 + || bpage->io_fix != BUF_IO_NONE) { + /* We leave the fixed pages as is in this scan. + To be dealt with later in the final scan. */ + mutex_exit(block_mutex); + goto next_page; + } + + if (((buf_block_t*) bpage)->is_hashed) { + + /* Store the offset(i.e.: page_no) in the array + so that we can drop hash index in a batch + later. */ + page_arr[num_entries] = bpage->offset; + mutex_exit(block_mutex); + ut_a(num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE); + ++num_entries; + + if (num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE) { + goto next_page; + } + /* Array full. We release the buf_pool_mutex to + obey the latching order. */ + buf_pool_mutex_exit(); + + buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, + num_entries); + num_entries = 0; + buf_pool_mutex_enter(); + } else { + mutex_exit(block_mutex); + } + +next_page: + /* Note that we may have released the buf_pool mutex + above after reading the prev_bpage during processing + of a page_hash_batch (i.e.: when the array was full). + This means that prev_bpage can change in LRU list. + This is OK because this function is a 'best effort' + to drop as many search hash entries as possible and + it does not guarantee that ALL such entries will be + dropped. */ + bpage = prev_bpage; + + /* If, however, bpage has been removed from LRU list + to the free list then we should restart the scan. + bpage->state is protected by buf_pool mutex. */ + if (bpage && !buf_page_in_file(bpage)) { + ut_a(num_entries == 0); + goto scan_again; + } + } + + buf_pool_mutex_exit(); + + /* Drop any remaining batch of search hashed pages. */ + buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, num_entries); + ut_free(page_arr); +} + +/******************************************************************//** +Invalidates all pages belonging to a given tablespace when we are deleting +the data file(s) of that tablespace. */ +UNIV_INTERN +void +buf_LRU_invalidate_tablespace( +/*==========================*/ + ulint id) /*!< in: space id */ +{ + buf_page_t* bpage; + ibool all_freed; + + /* Before we attempt to drop pages one by one we first + attempt to drop page hash index entries in batches to make + it more efficient. The batching attempt is a best effort + attempt and does not guarantee that all pages hash entries + will be dropped. We get rid of remaining page hash entries + one by one below. */ + buf_LRU_drop_page_hash_for_tablespace(id); + +scan_again: + buf_pool_mutex_enter(); + + all_freed = TRUE; + + bpage = UT_LIST_GET_LAST(buf_pool->LRU); + + while (bpage != NULL) { + buf_page_t* prev_bpage; + ibool prev_bpage_buf_fix = FALSE; + + ut_a(buf_page_in_file(bpage)); + + prev_bpage = UT_LIST_GET_PREV(LRU, bpage); + + /* bpage->space and bpage->io_fix are protected by + buf_pool_mutex and block_mutex. It is safe to check + them while holding buf_pool_mutex only. */ + + if (buf_page_get_space(bpage) != id) { + /* Skip this block, as it does not belong to + the space that is being invalidated. */ + } else if (buf_page_get_io_fix(bpage) != BUF_IO_NONE) { + /* We cannot remove this page during this scan + yet; maybe the system is currently reading it + in, or flushing the modifications to the file */ + + all_freed = FALSE; + } else { + mutex_t* block_mutex = buf_page_get_mutex(bpage); + mutex_enter(block_mutex); + + if (bpage->buf_fix_count > 0) { + + /* We cannot remove this page during + this scan yet; maybe the system is + currently reading it in, or flushing + the modifications to the file */ + + all_freed = FALSE; + + goto next_page; + } + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, + "Dropping space %lu page %lu\n", + (ulong) buf_page_get_space(bpage), + (ulong) buf_page_get_page_no(bpage)); + } +#endif + if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { + /* This is a compressed-only block + descriptor. Ensure that prev_bpage + cannot be relocated when bpage is freed. */ + if (UNIV_LIKELY(prev_bpage != NULL)) { + switch (buf_page_get_state( + prev_bpage)) { + case BUF_BLOCK_FILE_PAGE: + /* Descriptors of uncompressed + blocks will not be relocated, + because we are holding the + buf_pool_mutex. */ + break; + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + /* Descriptors of compressed- + only blocks can be relocated, + unless they are buffer-fixed. + Because both bpage and + prev_bpage are protected by + buf_pool_zip_mutex, it is + not necessary to acquire + further mutexes. */ + ut_ad(&buf_pool_zip_mutex + == block_mutex); + ut_ad(mutex_own(block_mutex)); + prev_bpage_buf_fix = TRUE; + prev_bpage->buf_fix_count++; + break; + default: + ut_error; + } + } + } else if (((buf_block_t*) bpage)->is_hashed) { + ulint page_no; + ulint zip_size; + + buf_pool_mutex_exit(); + + zip_size = buf_page_get_zip_size(bpage); + page_no = buf_page_get_page_no(bpage); + + mutex_exit(block_mutex); + + /* Note that the following call will acquire + an S-latch on the page */ + + btr_search_drop_page_hash_when_freed( + id, zip_size, page_no); + goto scan_again; + } + + if (bpage->oldest_modification != 0) { + + buf_flush_remove(bpage); + } + + /* Remove from the LRU list. */ + + if (buf_LRU_block_remove_hashed_page(bpage, TRUE) + != BUF_BLOCK_ZIP_FREE) { + buf_LRU_block_free_hashed_page((buf_block_t*) + bpage); + } else { + /* The block_mutex should have been + released by buf_LRU_block_remove_hashed_page() + when it returns BUF_BLOCK_ZIP_FREE. */ + ut_ad(block_mutex == &buf_pool_zip_mutex); + ut_ad(!mutex_own(block_mutex)); + + if (prev_bpage_buf_fix) { + /* We temporarily buffer-fixed + prev_bpage, so that + buf_buddy_free() could not + relocate it, in case it was a + compressed-only block + descriptor. */ + + mutex_enter(block_mutex); + ut_ad(prev_bpage->buf_fix_count > 0); + prev_bpage->buf_fix_count--; + mutex_exit(block_mutex); + } + + goto next_page_no_mutex; + } +next_page: + mutex_exit(block_mutex); + } + +next_page_no_mutex: + bpage = prev_bpage; + } + + buf_pool_mutex_exit(); + + if (!all_freed) { + os_thread_sleep(20000); + + goto scan_again; + } +} + +/********************************************************************//** +Insert a compressed block into buf_pool->zip_clean in the LRU order. */ +UNIV_INTERN +void +buf_LRU_insert_zip_clean( +/*=====================*/ + buf_page_t* bpage) /*!< in: pointer to the block in question */ +{ + buf_page_t* b; + + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); + + /* Find the first successor of bpage in the LRU list + that is in the zip_clean list. */ + b = bpage; + do { + b = UT_LIST_GET_NEXT(LRU, b); + } while (b && buf_page_get_state(b) != BUF_BLOCK_ZIP_PAGE); + + /* Insert bpage before b, i.e., after the predecessor of b. */ + if (b) { + b = UT_LIST_GET_PREV(list, b); + } + + if (b) { + UT_LIST_INSERT_AFTER(list, buf_pool->zip_clean, b, bpage); + } else { + UT_LIST_ADD_FIRST(list, buf_pool->zip_clean, bpage); + } +} + +/******************************************************************//** +Try to free an uncompressed page of a compressed block from the unzip +LRU list. The compressed page is preserved, and it need not be clean. +@return TRUE if freed */ +UNIV_INLINE +ibool +buf_LRU_free_from_unzip_LRU_list( +/*=============================*/ + ulint n_iterations) /*!< in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; we will search + n_iterations / 5 of the unzip_LRU list, + or nothing if n_iterations >= 5 */ +{ + buf_block_t* block; + ulint distance; + + ut_ad(buf_pool_mutex_own()); + + /* Theoratically it should be much easier to find a victim + from unzip_LRU as we can choose even a dirty block (as we'll + be evicting only the uncompressed frame). In a very unlikely + eventuality that we are unable to find a victim from + unzip_LRU, we fall back to the regular LRU list. We do this + if we have done five iterations so far. */ + + if (UNIV_UNLIKELY(n_iterations >= 5) + || !buf_LRU_evict_from_unzip_LRU()) { + + return(FALSE); + } + + distance = 100 + (n_iterations + * UT_LIST_GET_LEN(buf_pool->unzip_LRU)) / 5; + + for (block = UT_LIST_GET_LAST(buf_pool->unzip_LRU); + UNIV_LIKELY(block != NULL) && UNIV_LIKELY(distance > 0); + block = UT_LIST_GET_PREV(unzip_LRU, block), distance--) { + + enum buf_lru_free_block_status freed; + + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(block->in_unzip_LRU_list); + ut_ad(block->page.in_LRU_list); + + mutex_enter(&block->mutex); + freed = buf_LRU_free_block(&block->page, FALSE, NULL); + mutex_exit(&block->mutex); + + switch (freed) { + case BUF_LRU_FREED: + return(TRUE); + + case BUF_LRU_CANNOT_RELOCATE: + /* If we failed to relocate, try + regular LRU eviction. */ + return(FALSE); + + case BUF_LRU_NOT_FREED: + /* The block was buffer-fixed or I/O-fixed. + Keep looking. */ + continue; + } + + /* inappropriate return value from + buf_LRU_free_block() */ + ut_error; + } + + return(FALSE); +} + +/******************************************************************//** +Try to free a clean page from the common LRU list. +@return TRUE if freed */ +UNIV_INLINE +ibool +buf_LRU_free_from_common_LRU_list( +/*==============================*/ + ulint n_iterations) /*!< in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list */ +{ + buf_page_t* bpage; + ulint distance; + + ut_ad(buf_pool_mutex_own()); + + distance = 100 + (n_iterations * buf_pool->curr_size) / 10; + + for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); + UNIV_LIKELY(bpage != NULL) && UNIV_LIKELY(distance > 0); + bpage = UT_LIST_GET_PREV(LRU, bpage), distance--) { + + enum buf_lru_free_block_status freed; + unsigned accessed; + mutex_t* block_mutex + = buf_page_get_mutex(bpage); + + ut_ad(buf_page_in_file(bpage)); + ut_ad(bpage->in_LRU_list); + + mutex_enter(block_mutex); + accessed = buf_page_is_accessed(bpage); + freed = buf_LRU_free_block(bpage, TRUE, NULL); + mutex_exit(block_mutex); + + switch (freed) { + case BUF_LRU_FREED: + /* Keep track of pages that are evicted without + ever being accessed. This gives us a measure of + the effectiveness of readahead */ + if (!accessed) { + ++buf_pool->stat.n_ra_pages_evicted; + } + return(TRUE); + + case BUF_LRU_NOT_FREED: + /* The block was dirty, buffer-fixed, or I/O-fixed. + Keep looking. */ + continue; + + case BUF_LRU_CANNOT_RELOCATE: + /* This should never occur, because we + want to discard the compressed page too. */ + break; + } + + /* inappropriate return value from + buf_LRU_free_block() */ + ut_error; + } + + return(FALSE); +} + +/******************************************************************//** +Try to free a replaceable block. +@return TRUE if found and freed */ +UNIV_INTERN +ibool +buf_LRU_search_and_free_block( +/*==========================*/ + ulint n_iterations) /*!< in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list; if + n_iterations < 5, then we will also search + n_iterations / 5 of the unzip_LRU list. */ +{ + ibool freed = FALSE; + + buf_pool_mutex_enter(); + + freed = buf_LRU_free_from_unzip_LRU_list(n_iterations); + + if (!freed) { + freed = buf_LRU_free_from_common_LRU_list(n_iterations); + } + + if (!freed) { + buf_pool->LRU_flush_ended = 0; + } else if (buf_pool->LRU_flush_ended > 0) { + buf_pool->LRU_flush_ended--; + } + + buf_pool_mutex_exit(); + + return(freed); +} + +/******************************************************************//** +Tries to remove LRU flushed blocks from the end of the LRU list and put them +to the free list. This is beneficial for the efficiency of the insert buffer +operation, as flushed pages from non-unique non-clustered indexes are here +taken out of the buffer pool, and their inserts redirected to the insert +buffer. Otherwise, the flushed blocks could get modified again before read +operations need new buffer blocks, and the i/o work done in flushing would be +wasted. */ +UNIV_INTERN +void +buf_LRU_try_free_flushed_blocks(void) +/*=================================*/ +{ + buf_pool_mutex_enter(); + + while (buf_pool->LRU_flush_ended > 0) { + + buf_pool_mutex_exit(); + + buf_LRU_search_and_free_block(1); + + buf_pool_mutex_enter(); + } + + buf_pool_mutex_exit(); +} + +/******************************************************************//** +Returns TRUE if less than 25 % of the buffer pool is available. This can be +used in heuristics to prevent huge transactions eating up the whole buffer +pool for their locks. +@return TRUE if less than 25 % of buffer pool left */ +UNIV_INTERN +ibool +buf_LRU_buf_pool_running_out(void) +/*==============================*/ +{ + ibool ret = FALSE; + + buf_pool_mutex_enter(); + + if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) + + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 4) { + + ret = TRUE; + } + + buf_pool_mutex_exit(); + + return(ret); +} + +/******************************************************************//** +Returns a free block from the buf_pool. The block is taken off the +free list. If it is empty, returns NULL. +@return a free control block, or NULL if the buf_block->free list is empty */ +UNIV_INTERN +buf_block_t* +buf_LRU_get_free_only(void) +/*=======================*/ +{ + buf_block_t* block; + + ut_ad(buf_pool_mutex_own()); + + block = (buf_block_t*) UT_LIST_GET_FIRST(buf_pool->free); + + if (block) { + ut_ad(block->page.in_free_list); + ut_d(block->page.in_free_list = FALSE); + ut_ad(!block->page.in_flush_list); + ut_ad(!block->page.in_LRU_list); + ut_a(!buf_page_in_file(&block->page)); + UT_LIST_REMOVE(list, buf_pool->free, (&block->page)); + + mutex_enter(&block->mutex); + + buf_block_set_state(block, BUF_BLOCK_READY_FOR_USE); + UNIV_MEM_ALLOC(block->frame, UNIV_PAGE_SIZE); + + mutex_exit(&block->mutex); + } + + return(block); +} + +/******************************************************************//** +Returns a free block from the buf_pool. The block is taken off the +free list. If it is empty, blocks are moved from the end of the +LRU list to the free list. +@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ +UNIV_INTERN +buf_block_t* +buf_LRU_get_free_block( +/*===================*/ + ulint zip_size) /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ +{ + buf_block_t* block = NULL; + ibool freed; + ulint n_iterations = 1; + ibool mon_value_was = FALSE; + ibool started_monitor = FALSE; +loop: + buf_pool_mutex_enter(); + + if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) + + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 20) { + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: ERROR: over 95 percent of the buffer pool" + " is occupied by\n" + "InnoDB: lock heaps or the adaptive hash index!" + " Check that your\n" + "InnoDB: transactions do not set too many row locks.\n" + "InnoDB: Your buffer pool size is %lu MB." + " Maybe you should make\n" + "InnoDB: the buffer pool bigger?\n" + "InnoDB: We intentionally generate a seg fault" + " to print a stack trace\n" + "InnoDB: on Linux!\n", + (ulong) (buf_pool->curr_size + / (1024 * 1024 / UNIV_PAGE_SIZE))); + + ut_error; + + } else if (!recv_recovery_on + && (UT_LIST_GET_LEN(buf_pool->free) + + UT_LIST_GET_LEN(buf_pool->LRU)) + < buf_pool->curr_size / 3) { + + if (!buf_lru_switched_on_innodb_mon) { + + /* Over 67 % of the buffer pool is occupied by lock + heaps or the adaptive hash index. This may be a memory + leak! */ + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: WARNING: over 67 percent of" + " the buffer pool is occupied by\n" + "InnoDB: lock heaps or the adaptive" + " hash index! Check that your\n" + "InnoDB: transactions do not set too many" + " row locks.\n" + "InnoDB: Your buffer pool size is %lu MB." + " Maybe you should make\n" + "InnoDB: the buffer pool bigger?\n" + "InnoDB: Starting the InnoDB Monitor to print" + " diagnostics, including\n" + "InnoDB: lock heap and hash index sizes.\n", + (ulong) (buf_pool->curr_size + / (1024 * 1024 / UNIV_PAGE_SIZE))); + + buf_lru_switched_on_innodb_mon = TRUE; + srv_print_innodb_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + } + } else if (buf_lru_switched_on_innodb_mon) { + + /* Switch off the InnoDB Monitor; this is a simple way + to stop the monitor if the situation becomes less urgent, + but may also surprise users if the user also switched on the + monitor! */ + + buf_lru_switched_on_innodb_mon = FALSE; + srv_print_innodb_monitor = FALSE; + } + + /* If there is a block in the free list, take it */ + block = buf_LRU_get_free_only(); + if (block) { + +#ifdef UNIV_DEBUG + block->page.zip.m_start = +#endif /* UNIV_DEBUG */ + block->page.zip.m_end = + block->page.zip.m_nonempty = + block->page.zip.n_blobs = 0; + + if (UNIV_UNLIKELY(zip_size)) { + ibool lru; + page_zip_set_size(&block->page.zip, zip_size); + block->page.zip.data = buf_buddy_alloc(zip_size, &lru); + UNIV_MEM_DESC(block->page.zip.data, zip_size, block); + } else { + page_zip_set_size(&block->page.zip, 0); + block->page.zip.data = NULL; + } + + buf_pool_mutex_exit(); + + if (started_monitor) { + srv_print_innodb_monitor = mon_value_was; + } + + return(block); + } + + /* If no block was in the free list, search from the end of the LRU + list and try to free a block there */ + + buf_pool_mutex_exit(); + + freed = buf_LRU_search_and_free_block(n_iterations); + + if (freed > 0) { + goto loop; + } + + if (n_iterations > 30) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: difficult to find free blocks in\n" + "InnoDB: the buffer pool (%lu search iterations)!" + " Consider\n" + "InnoDB: increasing the buffer pool size.\n" + "InnoDB: It is also possible that" + " in your Unix version\n" + "InnoDB: fsync is very slow, or" + " completely frozen inside\n" + "InnoDB: the OS kernel. Then upgrading to" + " a newer version\n" + "InnoDB: of your operating system may help." + " Look at the\n" + "InnoDB: number of fsyncs in diagnostic info below.\n" + "InnoDB: Pending flushes (fsync) log: %lu;" + " buffer pool: %lu\n" + "InnoDB: %lu OS file reads, %lu OS file writes," + " %lu OS fsyncs\n" + "InnoDB: Starting InnoDB Monitor to print further\n" + "InnoDB: diagnostics to the standard output.\n", + (ulong) n_iterations, + (ulong) fil_n_pending_log_flushes, + (ulong) fil_n_pending_tablespace_flushes, + (ulong) os_n_file_reads, (ulong) os_n_file_writes, + (ulong) os_n_fsyncs); + + mon_value_was = srv_print_innodb_monitor; + started_monitor = TRUE; + srv_print_innodb_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + } + + /* No free block was found: try to flush the LRU list */ + + buf_flush_free_margin(); + ++srv_buf_pool_wait_free; + + os_aio_simulated_wake_handler_threads(); + + buf_pool_mutex_enter(); + + if (buf_pool->LRU_flush_ended > 0) { + /* We have written pages in an LRU flush. To make the insert + buffer more efficient, we try to move these pages to the free + list. */ + + buf_pool_mutex_exit(); + + buf_LRU_try_free_flushed_blocks(); + } else { + buf_pool_mutex_exit(); + } + + if (n_iterations > 10) { + + os_thread_sleep(500000); + } + + n_iterations++; + + goto loop; +} + +/*******************************************************************//** +Moves the LRU_old pointer so that the length of the old blocks list +is inside the allowed limits. */ +UNIV_INLINE +void +buf_LRU_old_adjust_len(void) +/*========================*/ +{ + ulint old_len; + ulint new_len; + + ut_a(buf_pool->LRU_old); + ut_ad(buf_pool_mutex_own()); + ut_ad(buf_LRU_old_ratio >= BUF_LRU_OLD_RATIO_MIN); + ut_ad(buf_LRU_old_ratio <= BUF_LRU_OLD_RATIO_MAX); +#if BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5) +# error "BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5)" +#endif +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); +#endif /* UNIV_LRU_DEBUG */ + + old_len = buf_pool->LRU_old_len; + new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) + * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + UT_LIST_GET_LEN(buf_pool->LRU) + - (BUF_LRU_OLD_TOLERANCE + + BUF_LRU_NON_OLD_MIN_LEN)); + + for (;;) { + buf_page_t* LRU_old = buf_pool->LRU_old; + + ut_a(LRU_old); + ut_ad(LRU_old->in_LRU_list); +#ifdef UNIV_LRU_DEBUG + ut_a(LRU_old->old); +#endif /* UNIV_LRU_DEBUG */ + + /* Update the LRU_old pointer if necessary */ + + if (old_len + BUF_LRU_OLD_TOLERANCE < new_len) { + + buf_pool->LRU_old = LRU_old = UT_LIST_GET_PREV( + LRU, LRU_old); +#ifdef UNIV_LRU_DEBUG + ut_a(!LRU_old->old); +#endif /* UNIV_LRU_DEBUG */ + old_len = ++buf_pool->LRU_old_len; + buf_page_set_old(LRU_old, TRUE); + + } else if (old_len > new_len + BUF_LRU_OLD_TOLERANCE) { + + buf_pool->LRU_old = UT_LIST_GET_NEXT(LRU, LRU_old); + old_len = --buf_pool->LRU_old_len; + buf_page_set_old(LRU_old, FALSE); + } else { + return; + } + } +} + +/*******************************************************************//** +Initializes the old blocks pointer in the LRU list. This function should be +called when the LRU list grows to BUF_LRU_OLD_MIN_LEN length. */ +static +void +buf_LRU_old_init(void) +/*==================*/ +{ + buf_page_t* bpage; + + ut_ad(buf_pool_mutex_own()); + ut_a(UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN); + + /* We first initialize all blocks in the LRU list as old and then use + the adjust function to move the LRU_old pointer to the right + position */ + + for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); bpage != NULL; + bpage = UT_LIST_GET_PREV(LRU, bpage)) { + ut_ad(bpage->in_LRU_list); + ut_ad(buf_page_in_file(bpage)); + /* This loop temporarily violates the + assertions of buf_page_set_old(). */ + bpage->old = TRUE; + } + + buf_pool->LRU_old = UT_LIST_GET_FIRST(buf_pool->LRU); + buf_pool->LRU_old_len = UT_LIST_GET_LEN(buf_pool->LRU); + + buf_LRU_old_adjust_len(); +} + +/******************************************************************//** +Remove a block from the unzip_LRU list if it belonged to the list. */ +static +void +buf_unzip_LRU_remove_block_if_needed( +/*=================================*/ + buf_page_t* bpage) /*!< in/out: control block */ +{ + ut_ad(buf_pool); + ut_ad(bpage); + ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_block_t* block = (buf_block_t*) bpage; + + ut_ad(block->in_unzip_LRU_list); + ut_d(block->in_unzip_LRU_list = FALSE); + + UT_LIST_REMOVE(unzip_LRU, buf_pool->unzip_LRU, block); + } +} + +/******************************************************************//** +Removes a block from the LRU list. */ +UNIV_INLINE +void +buf_LRU_remove_block( +/*=================*/ + buf_page_t* bpage) /*!< in: control block */ +{ + ut_ad(buf_pool); + ut_ad(bpage); + ut_ad(buf_pool_mutex_own()); + + ut_a(buf_page_in_file(bpage)); + + ut_ad(bpage->in_LRU_list); + + /* If the LRU_old pointer is defined and points to just this block, + move it backward one step */ + + if (UNIV_UNLIKELY(bpage == buf_pool->LRU_old)) { + + /* Below: the previous block is guaranteed to exist, + because the LRU_old pointer is only allowed to differ + by BUF_LRU_OLD_TOLERANCE from strict + buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the LRU + list length. */ + buf_page_t* prev_bpage = UT_LIST_GET_PREV(LRU, bpage); + + ut_a(prev_bpage); +#ifdef UNIV_LRU_DEBUG + ut_a(!prev_bpage->old); +#endif /* UNIV_LRU_DEBUG */ + buf_pool->LRU_old = prev_bpage; + buf_page_set_old(prev_bpage, TRUE); + + buf_pool->LRU_old_len++; + } + + /* Remove the block from the LRU list */ + UT_LIST_REMOVE(LRU, buf_pool->LRU, bpage); + ut_d(bpage->in_LRU_list = FALSE); + + buf_unzip_LRU_remove_block_if_needed(bpage); + + /* If the LRU list is so short that LRU_old is not defined, + clear the "old" flags and return */ + if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { + + for (bpage = UT_LIST_GET_FIRST(buf_pool->LRU); bpage != NULL; + bpage = UT_LIST_GET_NEXT(LRU, bpage)) { + /* This loop temporarily violates the + assertions of buf_page_set_old(). */ + bpage->old = FALSE; + } + + buf_pool->LRU_old = NULL; + buf_pool->LRU_old_len = 0; + + return; + } + + ut_ad(buf_pool->LRU_old); + + /* Update the LRU_old_len field if necessary */ + if (buf_page_is_old(bpage)) { + + buf_pool->LRU_old_len--; + } + + /* Adjust the length of the old block list if necessary */ + buf_LRU_old_adjust_len(); +} + +/******************************************************************//** +Adds a block to the LRU list of decompressed zip pages. */ +UNIV_INTERN +void +buf_unzip_LRU_add_block( +/*====================*/ + buf_block_t* block, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the end + of the list, else put to the start */ +{ + ut_ad(buf_pool); + ut_ad(block); + ut_ad(buf_pool_mutex_own()); + + ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); + + ut_ad(!block->in_unzip_LRU_list); + ut_d(block->in_unzip_LRU_list = TRUE); + + if (old) { + UT_LIST_ADD_LAST(unzip_LRU, buf_pool->unzip_LRU, block); + } else { + UT_LIST_ADD_FIRST(unzip_LRU, buf_pool->unzip_LRU, block); + } +} + +/******************************************************************//** +Adds a block to the LRU list end. */ +UNIV_INLINE +void +buf_LRU_add_block_to_end_low( +/*=========================*/ + buf_page_t* bpage) /*!< in: control block */ +{ + ut_ad(buf_pool); + ut_ad(bpage); + ut_ad(buf_pool_mutex_own()); + + ut_a(buf_page_in_file(bpage)); + + ut_ad(!bpage->in_LRU_list); + UT_LIST_ADD_LAST(LRU, buf_pool->LRU, bpage); + ut_d(bpage->in_LRU_list = TRUE); + + if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { + + ut_ad(buf_pool->LRU_old); + + /* Adjust the length of the old block list if necessary */ + + buf_page_set_old(bpage, TRUE); + buf_pool->LRU_old_len++; + buf_LRU_old_adjust_len(); + + } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { + + /* The LRU list is now long enough for LRU_old to become + defined: init it */ + + buf_LRU_old_init(); + } else { + buf_page_set_old(bpage, buf_pool->LRU_old != NULL); + } + + /* If this is a zipped block with decompressed frame as well + then put it on the unzip_LRU list */ + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_unzip_LRU_add_block((buf_block_t*) bpage, TRUE); + } +} + +/******************************************************************//** +Adds a block to the LRU list. */ +UNIV_INLINE +void +buf_LRU_add_block_low( +/*==================*/ + buf_page_t* bpage, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the old blocks + in the LRU list, else put to the start; if the + LRU list is very short, the block is added to + the start, regardless of this parameter */ +{ + ut_ad(buf_pool); + ut_ad(bpage); + ut_ad(buf_pool_mutex_own()); + + ut_a(buf_page_in_file(bpage)); + ut_ad(!bpage->in_LRU_list); + + if (!old || (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN)) { + + UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, bpage); + + bpage->freed_page_clock = buf_pool->freed_page_clock; + } else { +#ifdef UNIV_LRU_DEBUG + /* buf_pool->LRU_old must be the first item in the LRU list + whose "old" flag is set. */ + ut_a(buf_pool->LRU_old->old); + ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) + || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); + ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) + || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); +#endif /* UNIV_LRU_DEBUG */ + UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, buf_pool->LRU_old, + bpage); + buf_pool->LRU_old_len++; + } + + ut_d(bpage->in_LRU_list = TRUE); + + if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { + + ut_ad(buf_pool->LRU_old); + + /* Adjust the length of the old block list if necessary */ + + buf_page_set_old(bpage, old); + buf_LRU_old_adjust_len(); + + } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { + + /* The LRU list is now long enough for LRU_old to become + defined: init it */ + + buf_LRU_old_init(); + } else { + buf_page_set_old(bpage, buf_pool->LRU_old != NULL); + } + + /* If this is a zipped block with decompressed frame as well + then put it on the unzip_LRU list */ + if (buf_page_belongs_to_unzip_LRU(bpage)) { + buf_unzip_LRU_add_block((buf_block_t*) bpage, old); + } +} + +/******************************************************************//** +Adds a block to the LRU list. */ +UNIV_INTERN +void +buf_LRU_add_block( +/*==============*/ + buf_page_t* bpage, /*!< in: control block */ + ibool old) /*!< in: TRUE if should be put to the old + blocks in the LRU list, else put to the start; + if the LRU list is very short, the block is + added to the start, regardless of this + parameter */ +{ + buf_LRU_add_block_low(bpage, old); +} + +/******************************************************************//** +Moves a block to the start of the LRU list. */ +UNIV_INTERN +void +buf_LRU_make_block_young( +/*=====================*/ + buf_page_t* bpage) /*!< in: control block */ +{ + ut_ad(buf_pool_mutex_own()); + + if (bpage->old) { + buf_pool->stat.n_pages_made_young++; + } + + buf_LRU_remove_block(bpage); + buf_LRU_add_block_low(bpage, FALSE); +} + +/******************************************************************//** +Moves a block to the end of the LRU list. */ +UNIV_INTERN +void +buf_LRU_make_block_old( +/*===================*/ + buf_page_t* bpage) /*!< in: control block */ +{ + buf_LRU_remove_block(bpage); + buf_LRU_add_block_to_end_low(bpage); +} + +/******************************************************************//** +Try to free a block. If bpage is a descriptor of a compressed-only +page, the descriptor object will be freed as well. + +NOTE: If this function returns BUF_LRU_FREED, it will not temporarily +release buf_pool_mutex. Furthermore, the page frame will no longer be +accessible via bpage. + +The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +release these two mutexes after the call. No other +buf_page_get_mutex() may be held when calling this function. +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or +BUF_LRU_NOT_FREED otherwise. */ +UNIV_INTERN +enum buf_lru_free_block_status +buf_LRU_free_block( +/*===============*/ + buf_page_t* bpage, /*!< in: block to be freed */ + ibool zip, /*!< in: TRUE if should remove also the + compressed page of an uncompressed page */ + ibool* buf_pool_mutex_released) + /*!< in: pointer to a variable that will + be assigned TRUE if buf_pool_mutex + was temporarily released, or NULL */ +{ + buf_page_t* b = NULL; + mutex_t* block_mutex = buf_page_get_mutex(bpage); + + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(block_mutex)); + ut_ad(buf_page_in_file(bpage)); + ut_ad(bpage->in_LRU_list); + ut_ad(!bpage->in_flush_list == !bpage->oldest_modification); + UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); + + if (!buf_page_can_relocate(bpage)) { + + /* Do not free buffer-fixed or I/O-fixed blocks. */ + return(BUF_LRU_NOT_FREED); + } + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); +#endif /* UNIV_IBUF_COUNT_DEBUG */ + + if (zip || !bpage->zip.data) { + /* This would completely free the block. */ + /* Do not completely free dirty blocks. */ + + if (bpage->oldest_modification) { + return(BUF_LRU_NOT_FREED); + } + } else if (bpage->oldest_modification) { + /* Do not completely free dirty blocks. */ + + if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { + ut_ad(buf_page_get_state(bpage) + == BUF_BLOCK_ZIP_DIRTY); + return(BUF_LRU_NOT_FREED); + } + + goto alloc; + } else if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { + /* Allocate the control block for the compressed page. + If it cannot be allocated (without freeing a block + from the LRU list), refuse to free bpage. */ +alloc: + buf_pool_mutex_exit_forbid(); + b = buf_buddy_alloc(sizeof *b, NULL); + buf_pool_mutex_exit_allow(); + + if (UNIV_UNLIKELY(!b)) { + return(BUF_LRU_CANNOT_RELOCATE); + } + + memcpy(b, bpage, sizeof *b); + } + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, "Putting space %lu page %lu to free list\n", + (ulong) buf_page_get_space(bpage), + (ulong) buf_page_get_page_no(bpage)); + } +#endif /* UNIV_DEBUG */ + + if (buf_LRU_block_remove_hashed_page(bpage, zip) + != BUF_BLOCK_ZIP_FREE) { + ut_a(bpage->buf_fix_count == 0); + + if (b) { + buf_page_t* prev_b = UT_LIST_GET_PREV(LRU, b); + const ulint fold = buf_page_address_fold( + bpage->space, bpage->offset); + buf_page_t* hash_b = buf_page_hash_get_low( + bpage->space, bpage->offset, fold); + + ut_a(!hash_b); + + b->state = b->oldest_modification + ? BUF_BLOCK_ZIP_DIRTY + : BUF_BLOCK_ZIP_PAGE; + UNIV_MEM_DESC(b->zip.data, + page_zip_get_size(&b->zip), b); + + /* The fields in_page_hash and in_LRU_list of + the to-be-freed block descriptor should have + been cleared in + buf_LRU_block_remove_hashed_page(), which + invokes buf_LRU_remove_block(). */ + ut_ad(!bpage->in_page_hash); + ut_ad(!bpage->in_LRU_list); + /* bpage->state was BUF_BLOCK_FILE_PAGE because + b != NULL. The type cast below is thus valid. */ + ut_ad(!((buf_block_t*) bpage)->in_unzip_LRU_list); + + /* The fields of bpage were copied to b before + buf_LRU_block_remove_hashed_page() was invoked. */ + ut_ad(!b->in_zip_hash); + ut_ad(b->in_page_hash); + ut_ad(b->in_LRU_list); + + HASH_INSERT(buf_page_t, hash, + buf_pool->page_hash, fold, b); + + /* Insert b where bpage was in the LRU list. */ + if (UNIV_LIKELY(prev_b != NULL)) { + ulint lru_len; + + ut_ad(prev_b->in_LRU_list); + ut_ad(buf_page_in_file(prev_b)); + UNIV_MEM_ASSERT_RW(prev_b, sizeof *prev_b); + + UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, + prev_b, b); + + if (buf_page_is_old(b)) { + buf_pool->LRU_old_len++; + if (UNIV_UNLIKELY + (buf_pool->LRU_old + == UT_LIST_GET_NEXT(LRU, b))) { + + buf_pool->LRU_old = b; + } + } + + lru_len = UT_LIST_GET_LEN(buf_pool->LRU); + + if (lru_len > BUF_LRU_OLD_MIN_LEN) { + ut_ad(buf_pool->LRU_old); + /* Adjust the length of the + old block list if necessary */ + buf_LRU_old_adjust_len(); + } else if (lru_len == BUF_LRU_OLD_MIN_LEN) { + /* The LRU list is now long + enough for LRU_old to become + defined: init it */ + buf_LRU_old_init(); + } +#ifdef UNIV_LRU_DEBUG + /* Check that the "old" flag is consistent + in the block and its neighbours. */ + buf_page_set_old(b, buf_page_is_old(b)); +#endif /* UNIV_LRU_DEBUG */ + } else { + ut_d(b->in_LRU_list = FALSE); + buf_LRU_add_block_low(b, buf_page_is_old(b)); + } + + if (b->state == BUF_BLOCK_ZIP_PAGE) { + buf_LRU_insert_zip_clean(b); + } else { + /* Relocate on buf_pool->flush_list. */ + buf_flush_relocate_on_flush_list(bpage, b); + } + + bpage->zip.data = NULL; + page_zip_set_size(&bpage->zip, 0); + + /* Prevent buf_page_get_gen() from + decompressing the block while we release + buf_pool_mutex and block_mutex. */ + b->buf_fix_count++; + b->io_fix = BUF_IO_READ; + } + + if (buf_pool_mutex_released) { + *buf_pool_mutex_released = TRUE; + } + + buf_pool_mutex_exit(); + mutex_exit(block_mutex); + + /* Remove possible adaptive hash index on the page. + The page was declared uninitialized by + buf_LRU_block_remove_hashed_page(). We need to flag + the contents of the page valid (which it still is) in + order to avoid bogus Valgrind warnings.*/ + + UNIV_MEM_VALID(((buf_block_t*) bpage)->frame, + UNIV_PAGE_SIZE); + btr_search_drop_page_hash_index((buf_block_t*) bpage); + UNIV_MEM_INVALID(((buf_block_t*) bpage)->frame, + UNIV_PAGE_SIZE); + + if (b) { + /* Compute and stamp the compressed page + checksum while not holding any mutex. The + block is already half-freed + (BUF_BLOCK_REMOVE_HASH) and removed from + buf_pool->page_hash, thus inaccessible by any + other thread. */ + + mach_write_to_4( + b->zip.data + FIL_PAGE_SPACE_OR_CHKSUM, + UNIV_LIKELY(srv_use_checksums) + ? page_zip_calc_checksum( + b->zip.data, + page_zip_get_size(&b->zip)) + : BUF_NO_CHECKSUM_MAGIC); + } + + buf_pool_mutex_enter(); + mutex_enter(block_mutex); + + if (b) { + mutex_enter(&buf_pool_zip_mutex); + b->buf_fix_count--; + buf_page_set_io_fix(b, BUF_IO_NONE); + mutex_exit(&buf_pool_zip_mutex); + } + + buf_LRU_block_free_hashed_page((buf_block_t*) bpage); + } else { + /* The block_mutex should have been released by + buf_LRU_block_remove_hashed_page() when it returns + BUF_BLOCK_ZIP_FREE. */ + ut_ad(block_mutex == &buf_pool_zip_mutex); + mutex_enter(block_mutex); + } + + return(BUF_LRU_FREED); +} + +/******************************************************************//** +Puts a block back to the free list. */ +UNIV_INTERN +void +buf_LRU_block_free_non_file_page( +/*=============================*/ + buf_block_t* block) /*!< in: block, must not contain a file page */ +{ + void* data; + + ut_ad(block); + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_READY_FOR_USE: + break; + default: + ut_error; + } + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(block->n_pointers == 0); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + ut_ad(!block->page.in_free_list); + ut_ad(!block->page.in_flush_list); + ut_ad(!block->page.in_LRU_list); + + buf_block_set_state(block, BUF_BLOCK_NOT_USED); + + UNIV_MEM_ALLOC(block->frame, UNIV_PAGE_SIZE); +#ifdef UNIV_DEBUG + /* Wipe contents of page to reveal possible stale pointers to it */ + memset(block->frame, '\0', UNIV_PAGE_SIZE); +#else + /* Wipe page_no and space_id */ + memset(block->frame + FIL_PAGE_OFFSET, 0xfe, 4); + memset(block->frame + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0xfe, 4); +#endif + data = block->page.zip.data; + + if (data) { + block->page.zip.data = NULL; + mutex_exit(&block->mutex); + buf_pool_mutex_exit_forbid(); + buf_buddy_free(data, page_zip_get_size(&block->page.zip)); + buf_pool_mutex_exit_allow(); + mutex_enter(&block->mutex); + page_zip_set_size(&block->page.zip, 0); + } + + UT_LIST_ADD_FIRST(list, buf_pool->free, (&block->page)); + ut_d(block->page.in_free_list = TRUE); + + UNIV_MEM_ASSERT_AND_FREE(block->frame, UNIV_PAGE_SIZE); +} + +/******************************************************************//** +Takes a block out of the LRU list and page hash table. +If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), +the object will be freed and buf_pool_zip_mutex will be released. + +If a compressed page or a compressed-only block descriptor is freed, +other compressed pages or compressed-only block descriptors may be +relocated. +@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state +was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ +static +enum buf_page_state +buf_LRU_block_remove_hashed_page( +/*=============================*/ + buf_page_t* bpage, /*!< in: block, must contain a file page and + be in a state where it can be freed; there + may or may not be a hash index to the page */ + ibool zip) /*!< in: TRUE if should remove also the + compressed page of an uncompressed page */ +{ + ulint fold; + const buf_page_t* hashed_bpage; + ut_ad(bpage); + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + + ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); + ut_a(bpage->buf_fix_count == 0); + + UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); + + buf_LRU_remove_block(bpage); + + buf_pool->freed_page_clock += 1; + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_FILE_PAGE: + UNIV_MEM_ASSERT_W(bpage, sizeof(buf_block_t)); + UNIV_MEM_ASSERT_W(((buf_block_t*) bpage)->frame, + UNIV_PAGE_SIZE); + buf_block_modify_clock_inc((buf_block_t*) bpage); + if (bpage->zip.data) { + const page_t* page = ((buf_block_t*) bpage)->frame; + const ulint zip_size + = page_zip_get_size(&bpage->zip); + + ut_a(!zip || bpage->oldest_modification == 0); + + switch (UNIV_EXPECT(fil_page_get_type(page), + FIL_PAGE_INDEX)) { + case FIL_PAGE_TYPE_ALLOCATED: + case FIL_PAGE_INODE: + case FIL_PAGE_IBUF_BITMAP: + case FIL_PAGE_TYPE_FSP_HDR: + case FIL_PAGE_TYPE_XDES: + /* These are essentially uncompressed pages. */ + if (!zip) { + /* InnoDB writes the data to the + uncompressed page frame. Copy it + to the compressed page, which will + be preserved. */ + memcpy(bpage->zip.data, page, + zip_size); + } + break; + case FIL_PAGE_TYPE_ZBLOB: + case FIL_PAGE_TYPE_ZBLOB2: + break; + case FIL_PAGE_INDEX: +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(&bpage->zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + break; + default: + ut_print_timestamp(stderr); + fputs(" InnoDB: ERROR: The compressed page" + " to be evicted seems corrupt:", stderr); + ut_print_buf(stderr, page, zip_size); + fputs("\nInnoDB: Possibly older version" + " of the page:", stderr); + ut_print_buf(stderr, bpage->zip.data, + zip_size); + putc('\n', stderr); + ut_error; + } + + break; + } + /* fall through */ + case BUF_BLOCK_ZIP_PAGE: + ut_a(bpage->oldest_modification == 0); + UNIV_MEM_ASSERT_W(bpage->zip.data, + page_zip_get_size(&bpage->zip)); + break; + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + } + + fold = buf_page_address_fold(bpage->space, bpage->offset); + hashed_bpage = buf_page_hash_get_low(bpage->space, bpage->offset, + fold); + + if (UNIV_UNLIKELY(bpage != hashed_bpage)) { + fprintf(stderr, + "InnoDB: Error: page %lu %lu not found" + " in the hash table\n", + (ulong) bpage->space, + (ulong) bpage->offset); + if (hashed_bpage) { + fprintf(stderr, + "InnoDB: In hash table we find block" + " %p of %lu %lu which is not %p\n", + (const void*) hashed_bpage, + (ulong) hashed_bpage->space, + (ulong) hashed_bpage->offset, + (const void*) bpage); + } + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + mutex_exit(buf_page_get_mutex(bpage)); + buf_pool_mutex_exit(); + buf_print(); + buf_LRU_print(); + buf_validate(); + buf_LRU_validate(); +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + ut_error; + } + + ut_ad(!bpage->in_zip_hash); + ut_ad(bpage->in_page_hash); + ut_d(bpage->in_page_hash = FALSE); + HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_PAGE: + ut_ad(!bpage->in_free_list); + ut_ad(!bpage->in_flush_list); + ut_ad(!bpage->in_LRU_list); + ut_a(bpage->zip.data); + ut_a(buf_page_get_zip_size(bpage)); + + UT_LIST_REMOVE(list, buf_pool->zip_clean, bpage); + + mutex_exit(&buf_pool_zip_mutex); + buf_pool_mutex_exit_forbid(); + buf_buddy_free(bpage->zip.data, + page_zip_get_size(&bpage->zip)); + buf_buddy_free(bpage, sizeof(*bpage)); + buf_pool_mutex_exit_allow(); + UNIV_MEM_UNDESC(bpage); + return(BUF_BLOCK_ZIP_FREE); + + case BUF_BLOCK_FILE_PAGE: + memset(((buf_block_t*) bpage)->frame + + FIL_PAGE_OFFSET, 0xff, 4); + memset(((buf_block_t*) bpage)->frame + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0xff, 4); + UNIV_MEM_INVALID(((buf_block_t*) bpage)->frame, + UNIV_PAGE_SIZE); + buf_page_set_state(bpage, BUF_BLOCK_REMOVE_HASH); + + if (zip && bpage->zip.data) { + /* Free the compressed page. */ + void* data = bpage->zip.data; + bpage->zip.data = NULL; + + ut_ad(!bpage->in_free_list); + ut_ad(!bpage->in_flush_list); + ut_ad(!bpage->in_LRU_list); + mutex_exit(&((buf_block_t*) bpage)->mutex); + buf_pool_mutex_exit_forbid(); + buf_buddy_free(data, page_zip_get_size(&bpage->zip)); + buf_pool_mutex_exit_allow(); + mutex_enter(&((buf_block_t*) bpage)->mutex); + page_zip_set_size(&bpage->zip, 0); + } + + return(BUF_BLOCK_REMOVE_HASH); + + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + break; + } + + ut_error; + return(BUF_BLOCK_ZIP_FREE); +} + +/******************************************************************//** +Puts a file page whose has no hash index to the free list. */ +static +void +buf_LRU_block_free_hashed_page( +/*===========================*/ + buf_block_t* block) /*!< in: block, must contain a file page and + be in a state where it can be freed */ +{ + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(&block->mutex)); + + buf_block_set_state(block, BUF_BLOCK_MEMORY); + + buf_LRU_block_free_non_file_page(block); +} + +/**********************************************************************//** +Updates buf_LRU_old_ratio. +@return updated old_pct */ +UNIV_INTERN +uint +buf_LRU_old_ratio_update( +/*=====================*/ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust) /*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_LRU_old_ratio + during the initialization of InnoDB */ +{ + uint ratio; + + ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100; + if (ratio < BUF_LRU_OLD_RATIO_MIN) { + ratio = BUF_LRU_OLD_RATIO_MIN; + } else if (ratio > BUF_LRU_OLD_RATIO_MAX) { + ratio = BUF_LRU_OLD_RATIO_MAX; + } + + if (adjust) { + buf_pool_mutex_enter(); + + if (ratio != buf_LRU_old_ratio) { + buf_LRU_old_ratio = ratio; + + if (UT_LIST_GET_LEN(buf_pool->LRU) + >= BUF_LRU_OLD_MIN_LEN) { + buf_LRU_old_adjust_len(); + } + } + + buf_pool_mutex_exit(); + } else { + buf_LRU_old_ratio = ratio; + } + + /* the reverse of + ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100 */ + return((uint) (ratio * 100 / (double) BUF_LRU_OLD_RATIO_DIV + 0.5)); +} + +/********************************************************************//** +Update the historical stats that we are collecting for LRU eviction +policy at the end of each interval. */ +UNIV_INTERN +void +buf_LRU_stat_update(void) +/*=====================*/ +{ + buf_LRU_stat_t* item; + + /* If we haven't started eviction yet then don't update stats. */ + if (buf_pool->freed_page_clock == 0) { + goto func_exit; + } + + buf_pool_mutex_enter(); + + /* Update the index. */ + item = &buf_LRU_stat_arr[buf_LRU_stat_arr_ind]; + buf_LRU_stat_arr_ind++; + buf_LRU_stat_arr_ind %= BUF_LRU_STAT_N_INTERVAL; + + /* Add the current value and subtract the obsolete entry. */ + buf_LRU_stat_sum.io += buf_LRU_stat_cur.io - item->io; + buf_LRU_stat_sum.unzip += buf_LRU_stat_cur.unzip - item->unzip; + + /* Put current entry in the array. */ + memcpy(item, &buf_LRU_stat_cur, sizeof *item); + + buf_pool_mutex_exit(); + +func_exit: + /* Clear the current entry. */ + memset(&buf_LRU_stat_cur, 0, sizeof buf_LRU_stat_cur); +} + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Validates the LRU list. +@return TRUE */ +UNIV_INTERN +ibool +buf_LRU_validate(void) +/*==================*/ +{ + buf_page_t* bpage; + buf_block_t* block; + ulint old_len; + ulint new_len; + + ut_ad(buf_pool); + buf_pool_mutex_enter(); + + if (UT_LIST_GET_LEN(buf_pool->LRU) >= BUF_LRU_OLD_MIN_LEN) { + + ut_a(buf_pool->LRU_old); + old_len = buf_pool->LRU_old_len; + new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) + * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + UT_LIST_GET_LEN(buf_pool->LRU) + - (BUF_LRU_OLD_TOLERANCE + + BUF_LRU_NON_OLD_MIN_LEN)); + ut_a(old_len >= new_len - BUF_LRU_OLD_TOLERANCE); + ut_a(old_len <= new_len + BUF_LRU_OLD_TOLERANCE); + } + + UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, + ut_ad(ut_list_node_313->in_LRU_list)); + + bpage = UT_LIST_GET_FIRST(buf_pool->LRU); + + old_len = 0; + + while (bpage != NULL) { + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + ut_error; + break; + case BUF_BLOCK_FILE_PAGE: + ut_ad(((buf_block_t*) bpage)->in_unzip_LRU_list + == buf_page_belongs_to_unzip_LRU(bpage)); + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + break; + } + + if (buf_page_is_old(bpage)) { + const buf_page_t* prev + = UT_LIST_GET_PREV(LRU, bpage); + const buf_page_t* next + = UT_LIST_GET_NEXT(LRU, bpage); + + if (!old_len++) { + ut_a(buf_pool->LRU_old == bpage); + } else { + ut_a(!prev || buf_page_is_old(prev)); + } + + ut_a(!next || buf_page_is_old(next)); + } + + bpage = UT_LIST_GET_NEXT(LRU, bpage); + } + + ut_a(buf_pool->LRU_old_len == old_len); + + UT_LIST_VALIDATE(list, buf_page_t, buf_pool->free, + ut_ad(ut_list_node_313->in_free_list)); + + for (bpage = UT_LIST_GET_FIRST(buf_pool->free); + bpage != NULL; + bpage = UT_LIST_GET_NEXT(list, bpage)) { + + ut_a(buf_page_get_state(bpage) == BUF_BLOCK_NOT_USED); + } + + UT_LIST_VALIDATE(unzip_LRU, buf_block_t, buf_pool->unzip_LRU, + ut_ad(ut_list_node_313->in_unzip_LRU_list + && ut_list_node_313->page.in_LRU_list)); + + for (block = UT_LIST_GET_FIRST(buf_pool->unzip_LRU); + block; + block = UT_LIST_GET_NEXT(unzip_LRU, block)) { + + ut_ad(block->in_unzip_LRU_list); + ut_ad(block->page.in_LRU_list); + ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); + } + + buf_pool_mutex_exit(); + return(TRUE); +} +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Prints the LRU list. */ +UNIV_INTERN +void +buf_LRU_print(void) +/*===============*/ +{ + const buf_page_t* bpage; + + ut_ad(buf_pool); + buf_pool_mutex_enter(); + + bpage = UT_LIST_GET_FIRST(buf_pool->LRU); + + while (bpage != NULL) { + + mutex_enter(buf_page_get_mutex(bpage)); + fprintf(stderr, "BLOCK space %lu page %lu ", + (ulong) buf_page_get_space(bpage), + (ulong) buf_page_get_page_no(bpage)); + + if (buf_page_is_old(bpage)) { + fputs("old ", stderr); + } + + if (bpage->buf_fix_count) { + fprintf(stderr, "buffix count %lu ", + (ulong) bpage->buf_fix_count); + } + + if (buf_page_get_io_fix(bpage)) { + fprintf(stderr, "io_fix %lu ", + (ulong) buf_page_get_io_fix(bpage)); + } + + if (bpage->oldest_modification) { + fputs("modif. ", stderr); + } + + switch (buf_page_get_state(bpage)) { + const byte* frame; + case BUF_BLOCK_FILE_PAGE: + frame = buf_block_get_frame((buf_block_t*) bpage); + fprintf(stderr, "\ntype %lu" + " index id %lu\n", + (ulong) fil_page_get_type(frame), + (ulong) ut_dulint_get_low( + btr_page_get_index_id(frame))); + break; + case BUF_BLOCK_ZIP_PAGE: + frame = bpage->zip.data; + fprintf(stderr, "\ntype %lu size %lu" + " index id %lu\n", + (ulong) fil_page_get_type(frame), + (ulong) buf_page_get_zip_size(bpage), + (ulong) ut_dulint_get_low( + btr_page_get_index_id(frame))); + break; + + default: + fprintf(stderr, "\n!state %lu!\n", + (ulong) buf_page_get_state(bpage)); + break; + } + + mutex_exit(buf_page_get_mutex(bpage)); + bpage = UT_LIST_GET_NEXT(LRU, bpage); + } + + buf_pool_mutex_exit(); +} +#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ diff --git a/perfschema/buf/buf0rea.c b/perfschema/buf/buf0rea.c new file mode 100644 index 00000000000..a973b1b2d26 --- /dev/null +++ b/perfschema/buf/buf0rea.c @@ -0,0 +1,656 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file buf/buf0rea.c +The database buffer read + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#include "buf0rea.h" + +#include "fil0fil.h" +#include "mtr0mtr.h" + +#include "buf0buf.h" +#include "buf0flu.h" +#include "buf0lru.h" +#include "ibuf0ibuf.h" +#include "log0recv.h" +#include "trx0sys.h" +#include "os0file.h" +#include "srv0start.h" +#include "srv0srv.h" + +/** The linear read-ahead area size */ +#define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA + +/** If there are buf_pool->curr_size per the number below pending reads, then +read-ahead is not done: this is to prevent flooding the buffer pool with +i/o-fixed buffer blocks */ +#define BUF_READ_AHEAD_PEND_LIMIT 2 + +/********************************************************************//** +Low-level function which reads a page asynchronously from a file to the +buffer buf_pool if it is not already there, in which case does nothing. +Sets the io_fix flag and sets an exclusive lock on the buffer frame. The +flag is cleared and the x-lock released by an i/o-handler thread. +@return 1 if a read request was queued, 0 if the page already resided +in buf_pool, or if the page is in the doublewrite buffer blocks in +which case it is never read into the pool, or if the tablespace does +not exist or is being dropped +@return 1 if read request is issued. 0 if it is not */ +static +ulint +buf_read_page_low( +/*==============*/ + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED if we are + trying to read from a non-existent tablespace, or a + tablespace which is just now being dropped */ + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ..., + ORed to OS_AIO_SIMULATED_WAKE_LATER (see below + at read-ahead functions) */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version, /*!< in: if the space memory object has + this timestamp different from what we are giving here, + treat the tablespace as dropped; this is a timestamp we + use to stop dangling page reads from a tablespace + which we have DISCARDed + IMPORTed back */ + ulint offset) /*!< in: page number */ +{ + buf_page_t* bpage; + ulint wake_later; + + *err = DB_SUCCESS; + + wake_later = mode & OS_AIO_SIMULATED_WAKE_LATER; + mode = mode & ~OS_AIO_SIMULATED_WAKE_LATER; + + if (trx_doublewrite && space == TRX_SYS_SPACE + && ( (offset >= trx_doublewrite->block1 + && offset < trx_doublewrite->block1 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) + || (offset >= trx_doublewrite->block2 + && offset < trx_doublewrite->block2 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE))) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: trying to read" + " doublewrite buffer page %lu\n", + (ulong) offset); + + return(0); + } + + if (ibuf_bitmap_page(zip_size, offset) + || trx_sys_hdr_page(space, offset)) { + + /* Trx sys header is so low in the latching order that we play + safe and do not leave the i/o-completion to an asynchronous + i/o-thread. Ibuf bitmap pages must always be read with + syncronous i/o, to make sure they do not get involved in + thread deadlocks. */ + + sync = TRUE; + } + + /* The following call will also check if the tablespace does not exist + or is being dropped; if we succeed in initing the page in the buffer + pool for read, then DISCARD cannot proceed until the read has + completed */ + bpage = buf_page_init_for_read(err, mode, space, zip_size, unzip, + tablespace_version, offset); + if (bpage == NULL) { + + return(0); + } + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, + "Posting read request for page %lu, sync %lu\n", + (ulong) offset, + (ulong) sync); + } +#endif + + ut_ad(buf_page_in_file(bpage)); + + if (zip_size) { + *err = fil_io(OS_FILE_READ | wake_later, + sync, space, zip_size, offset, 0, zip_size, + bpage->zip.data, bpage); + } else { + ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); + + *err = fil_io(OS_FILE_READ | wake_later, + sync, space, 0, offset, 0, UNIV_PAGE_SIZE, + ((buf_block_t*) bpage)->frame, bpage); + } + ut_a(*err == DB_SUCCESS); + + if (sync) { + /* The i/o is already completed when we arrive from + fil_read */ + buf_page_io_complete(bpage); + } + + return(1); +} + +/********************************************************************//** +High-level function which reads a page asynchronously from a file to the +buffer buf_pool if it is not already there. Sets the io_fix flag and sets +an exclusive lock on the buffer frame. The flag is cleared and the x-lock +released by the i/o-handler thread. +@return TRUE if page has been read in, FALSE in case of failure */ +UNIV_INTERN +ibool +buf_read_page( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset) /*!< in: page number */ +{ + ib_int64_t tablespace_version; + ulint count; + ulint err; + + tablespace_version = fil_space_get_version(space); + + /* We do the i/o in the synchronous aio mode to save thread + switches: hence TRUE */ + + count = buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, + zip_size, FALSE, + tablespace_version, offset); + srv_buf_pool_reads += count; + if (err == DB_TABLESPACE_DELETED) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: trying to access" + " tablespace %lu page no. %lu,\n" + "InnoDB: but the tablespace does not exist" + " or is just being dropped.\n", + (ulong) space, (ulong) offset); + } + + /* Flush pages from the end of the LRU list if necessary */ + buf_flush_free_margin(); + + /* Increment number of I/O operations used for LRU policy. */ + buf_LRU_stat_inc_io(); + + return(count > 0); +} + +/********************************************************************//** +Applies linear read-ahead if in the buf_pool the page is a border page of +a linear read-ahead area and all the pages in the area have been accessed. +Does not read any page if the read-ahead mechanism is not activated. Note +that the algorithm looks at the 'natural' adjacent successor and +predecessor of the page, which on the leaf level of a B-tree are the next +and previous page in the chain of leaves. To know these, the page specified +in (space, offset) must already be present in the buf_pool. Thus, the +natural way to use this function is to call it when a page in the buf_pool +is accessed the first time, calling this function just after it has been +bufferfixed. +NOTE 1: as this function looks at the natural predecessor and successor +fields on the page, what happens, if these are not initialized to any +sensible value? No problem, before applying read-ahead we check that the +area to read is within the span of the space, if not, read-ahead is not +applied. An uninitialized value may result in a useless read operation, but +only very improbably. +NOTE 2: the calling thread may own latches on pages: to avoid deadlocks this +function must be written such that it cannot end up waiting for these +latches! +NOTE 3: the calling thread must want access to the page given: this rule is +set to prevent unintended read-aheads performed by ibuf routines, a situation +which could result in a deadlock if the OS does not support asynchronous io. +@return number of page read requests issued */ +UNIV_INTERN +ulint +buf_read_ahead_linear( +/*==================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset) /*!< in: page number of a page; NOTE: the current thread + must want access to this page (see NOTE 3 above) */ +{ + ib_int64_t tablespace_version; + buf_page_t* bpage; + buf_frame_t* frame; + buf_page_t* pred_bpage = NULL; + ulint pred_offset; + ulint succ_offset; + ulint count; + int asc_or_desc; + ulint new_offset; + ulint fail_count; + ulint ibuf_mode; + ulint low, high; + ulint err; + ulint i; + const ulint buf_read_ahead_linear_area + = BUF_READ_AHEAD_LINEAR_AREA; + ulint threshold; + + if (UNIV_UNLIKELY(srv_startup_is_before_trx_rollback_phase)) { + /* No read-ahead to avoid thread deadlocks */ + return(0); + } + + low = (offset / buf_read_ahead_linear_area) + * buf_read_ahead_linear_area; + high = (offset / buf_read_ahead_linear_area + 1) + * buf_read_ahead_linear_area; + + if ((offset != low) && (offset != high - 1)) { + /* This is not a border page of the area: return */ + + return(0); + } + + if (ibuf_bitmap_page(zip_size, offset) + || trx_sys_hdr_page(space, offset)) { + + /* If it is an ibuf bitmap page or trx sys hdr, we do + no read-ahead, as that could break the ibuf page access + order */ + + return(0); + } + + /* Remember the tablespace version before we ask te tablespace size + below: if DISCARD + IMPORT changes the actual .ibd file meanwhile, we + do not try to read outside the bounds of the tablespace! */ + + tablespace_version = fil_space_get_version(space); + + buf_pool_mutex_enter(); + + if (high > fil_space_get_size(space)) { + buf_pool_mutex_exit(); + /* The area is not whole, return */ + + return(0); + } + + if (buf_pool->n_pend_reads + > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { + buf_pool_mutex_exit(); + + return(0); + } + + /* Check that almost all pages in the area have been accessed; if + offset == low, the accesses must be in a descending order, otherwise, + in an ascending order. */ + + asc_or_desc = 1; + + if (offset == low) { + asc_or_desc = -1; + } + + /* How many out of order accessed pages can we ignore + when working out the access pattern for linear readahead */ + threshold = ut_min((64 - srv_read_ahead_threshold), + BUF_READ_AHEAD_AREA); + + fail_count = 0; + + for (i = low; i < high; i++) { + bpage = buf_page_hash_get(space, i); + + if ((bpage == NULL) || !buf_page_is_accessed(bpage)) { + /* Not accessed */ + fail_count++; + + } else if (pred_bpage) { + /* Note that buf_page_is_accessed() returns + the time of the first access. If some blocks + of the extent existed in the buffer pool at + the time of a linear access pattern, the first + access times may be nonmonotonic, even though + the latest access times were linear. The + threshold (srv_read_ahead_factor) should help + a little against this. */ + int res = ut_ulint_cmp( + buf_page_is_accessed(bpage), + buf_page_is_accessed(pred_bpage)); + /* Accesses not in the right order */ + if (res != 0 && res != asc_or_desc) { + fail_count++; + } + } + + if (fail_count > threshold) { + /* Too many failures: return */ + buf_pool_mutex_exit(); + return(0); + } + + if (bpage && buf_page_is_accessed(bpage)) { + pred_bpage = bpage; + } + } + + /* If we got this far, we know that enough pages in the area have + been accessed in the right order: linear read-ahead can be sensible */ + + bpage = buf_page_hash_get(space, offset); + + if (bpage == NULL) { + buf_pool_mutex_exit(); + + return(0); + } + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_PAGE: + frame = bpage->zip.data; + break; + case BUF_BLOCK_FILE_PAGE: + frame = ((buf_block_t*) bpage)->frame; + break; + default: + ut_error; + break; + } + + /* Read the natural predecessor and successor page addresses from + the page; NOTE that because the calling thread may have an x-latch + on the page, we do not acquire an s-latch on the page, this is to + prevent deadlocks. Even if we read values which are nonsense, the + algorithm will work. */ + + pred_offset = fil_page_get_prev(frame); + succ_offset = fil_page_get_next(frame); + + buf_pool_mutex_exit(); + + if ((offset == low) && (succ_offset == offset + 1)) { + + /* This is ok, we can continue */ + new_offset = pred_offset; + + } else if ((offset == high - 1) && (pred_offset == offset - 1)) { + + /* This is ok, we can continue */ + new_offset = succ_offset; + } else { + /* Successor or predecessor not in the right order */ + + return(0); + } + + low = (new_offset / buf_read_ahead_linear_area) + * buf_read_ahead_linear_area; + high = (new_offset / buf_read_ahead_linear_area + 1) + * buf_read_ahead_linear_area; + + if ((new_offset != low) && (new_offset != high - 1)) { + /* This is not a border page of the area: return */ + + return(0); + } + + if (high > fil_space_get_size(space)) { + /* The area is not whole, return */ + + return(0); + } + + /* If we got this far, read-ahead can be sensible: do it */ + + if (ibuf_inside()) { + ibuf_mode = BUF_READ_IBUF_PAGES_ONLY; + } else { + ibuf_mode = BUF_READ_ANY_PAGE; + } + + count = 0; + + /* Since Windows XP seems to schedule the i/o handler thread + very eagerly, and consequently it does not wait for the + full read batch to be posted, we use special heuristics here */ + + os_aio_simulated_put_read_threads_to_sleep(); + + for (i = low; i < high; i++) { + /* It is only sensible to do read-ahead in the non-sync + aio mode: hence FALSE as the first parameter */ + + if (!ibuf_bitmap_page(zip_size, i)) { + count += buf_read_page_low( + &err, FALSE, + ibuf_mode | OS_AIO_SIMULATED_WAKE_LATER, + space, zip_size, FALSE, tablespace_version, i); + if (err == DB_TABLESPACE_DELETED) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: in" + " linear readahead trying to access\n" + "InnoDB: tablespace %lu page %lu,\n" + "InnoDB: but the tablespace does not" + " exist or is just being dropped.\n", + (ulong) space, (ulong) i); + } + } + } + + /* In simulated aio we wake the aio handler threads only after + queuing all aio requests, in native aio the following call does + nothing: */ + + os_aio_simulated_wake_handler_threads(); + + /* Flush pages from the end of the LRU list if necessary */ + buf_flush_free_margin(); + +#ifdef UNIV_DEBUG + if (buf_debug_prints && (count > 0)) { + fprintf(stderr, + "LINEAR read-ahead space %lu offset %lu pages %lu\n", + (ulong) space, (ulong) offset, (ulong) count); + } +#endif /* UNIV_DEBUG */ + + /* Read ahead is considered one I/O operation for the purpose of + LRU policy decision. */ + buf_LRU_stat_inc_io(); + + buf_pool->stat.n_ra_pages_read += count; + return(count); +} + +/********************************************************************//** +Issues read requests for pages which the ibuf module wants to read in, in +order to contract the insert buffer tree. Technically, this function is like +a read-ahead function. */ +UNIV_INTERN +void +buf_read_ibuf_merge_pages( +/*======================*/ + ibool sync, /*!< in: TRUE if the caller + wants this function to wait + for the highest address page + to get read in, before this + function returns */ + const ulint* space_ids, /*!< in: array of space ids */ + const ib_int64_t* space_versions,/*!< in: the spaces must have + this version number + (timestamp), otherwise we + discard the read; we use this + to cancel reads if DISCARD + + IMPORT may have changed the + tablespace size */ + const ulint* page_nos, /*!< in: array of page numbers + to read, with the highest page + number the last in the + array */ + ulint n_stored) /*!< in: number of elements + in the arrays */ +{ + ulint i; + + ut_ad(!ibuf_inside()); +#ifdef UNIV_IBUF_DEBUG + ut_a(n_stored < UNIV_PAGE_SIZE); +#endif + while (buf_pool->n_pend_reads + > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { + os_thread_sleep(500000); + } + + for (i = 0; i < n_stored; i++) { + ulint zip_size = fil_space_get_zip_size(space_ids[i]); + ulint err; + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + + goto tablespace_deleted; + } + + buf_read_page_low(&err, sync && (i + 1 == n_stored), + BUF_READ_ANY_PAGE, space_ids[i], + zip_size, TRUE, space_versions[i], + page_nos[i]); + + if (UNIV_UNLIKELY(err == DB_TABLESPACE_DELETED)) { +tablespace_deleted: + /* We have deleted or are deleting the single-table + tablespace: remove the entries for that page */ + + ibuf_merge_or_delete_for_page(NULL, space_ids[i], + page_nos[i], + zip_size, FALSE); + } + } + + os_aio_simulated_wake_handler_threads(); + + /* Flush pages from the end of the LRU list if necessary */ + buf_flush_free_margin(); + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, + "Ibuf merge read-ahead space %lu pages %lu\n", + (ulong) space_ids[0], (ulong) n_stored); + } +#endif /* UNIV_DEBUG */ +} + +/********************************************************************//** +Issues read requests for pages which recovery wants to read in. */ +UNIV_INTERN +void +buf_read_recv_pages( +/*================*/ + ibool sync, /*!< in: TRUE if the caller + wants this function to wait + for the highest address page + to get read in, before this + function returns */ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in + bytes, or 0 */ + const ulint* page_nos, /*!< in: array of page numbers + to read, with the highest page + number the last in the + array */ + ulint n_stored) /*!< in: number of page numbers + in the array */ +{ + ib_int64_t tablespace_version; + ulint count; + ulint err; + ulint i; + + zip_size = fil_space_get_zip_size(space); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* It is a single table tablespace and the .ibd file is + missing: do nothing */ + + return; + } + + tablespace_version = fil_space_get_version(space); + + for (i = 0; i < n_stored; i++) { + + count = 0; + + os_aio_print_debug = FALSE; + + while (buf_pool->n_pend_reads >= recv_n_pool_free_frames / 2) { + + os_aio_simulated_wake_handler_threads(); + os_thread_sleep(10000); + + count++; + + if (count > 1000) { + fprintf(stderr, + "InnoDB: Error: InnoDB has waited for" + " 10 seconds for pending\n" + "InnoDB: reads to the buffer pool to" + " be finished.\n" + "InnoDB: Number of pending reads %lu," + " pending pread calls %lu\n", + (ulong) buf_pool->n_pend_reads, + (ulong)os_file_n_pending_preads); + + os_aio_print_debug = TRUE; + } + } + + os_aio_print_debug = FALSE; + + if ((i + 1 == n_stored) && sync) { + buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, + zip_size, TRUE, tablespace_version, + page_nos[i]); + } else { + buf_read_page_low(&err, FALSE, BUF_READ_ANY_PAGE + | OS_AIO_SIMULATED_WAKE_LATER, + space, zip_size, TRUE, + tablespace_version, page_nos[i]); + } + } + + os_aio_simulated_wake_handler_threads(); + + /* Flush pages from the end of the LRU list if necessary */ + buf_flush_free_margin(); + +#ifdef UNIV_DEBUG + if (buf_debug_prints) { + fprintf(stderr, + "Recovery applies read-ahead pages %lu\n", + (ulong) n_stored); + } +#endif /* UNIV_DEBUG */ +} diff --git a/perfschema/compile-innodb b/perfschema/compile-innodb new file mode 100755 index 00000000000..82601f03ae9 --- /dev/null +++ b/perfschema/compile-innodb @@ -0,0 +1,24 @@ +#! /bin/sh +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# + +path=`dirname $0` +. "$path/SETUP.sh" + +extra_flags="$pentium_cflags $fast_cflags -g" +extra_configs="$pentium_configs $static_link --with-plugins=innobase" + +. "$path/FINISH.sh" diff --git a/perfschema/compile-innodb-debug b/perfschema/compile-innodb-debug new file mode 100755 index 00000000000..efb4abf88d5 --- /dev/null +++ b/perfschema/compile-innodb-debug @@ -0,0 +1,24 @@ +#! /bin/sh +# +# Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# + +path=`dirname $0` +. "$path/SETUP.sh" $@ --with-debug=full + +extra_flags="$pentium_cflags $debug_cflags" +extra_configs="$pentium_configs $debug_configs --with-plugins=innobase" + +. "$path/FINISH.sh" diff --git a/perfschema/data/data0data.c b/perfschema/data/data0data.c new file mode 100644 index 00000000000..e3c1f1b4f23 --- /dev/null +++ b/perfschema/data/data0data.c @@ -0,0 +1,764 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file data/data0data.c +SQL data field and tuple + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#include "data0data.h" + +#ifdef UNIV_NONINL +#include "data0data.ic" +#endif + +#ifndef UNIV_HOTBACKUP +#include "rem0rec.h" +#include "rem0cmp.h" +#include "page0page.h" +#include "page0zip.h" +#include "dict0dict.h" +#include "btr0cur.h" + +#include +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +/** Dummy variable to catch access to uninitialized fields. In the +debug version, dtuple_create() will make all fields of dtuple_t point +to data_error. */ +UNIV_INTERN byte data_error; + +# ifndef UNIV_DEBUG_VALGRIND +/** this is used to fool the compiler in dtuple_validate */ +UNIV_INTERN ulint data_dummy; +# endif /* !UNIV_DEBUG_VALGRIND */ +#endif /* UNIV_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Tests if dfield data length and content is equal to the given. +@return TRUE if equal */ +UNIV_INTERN +ibool +dfield_data_is_binary_equal( +/*========================*/ + const dfield_t* field, /*!< in: field */ + ulint len, /*!< in: data length or UNIV_SQL_NULL */ + const byte* data) /*!< in: data */ +{ + if (len != dfield_get_len(field)) { + + return(FALSE); + } + + if (len == UNIV_SQL_NULL) { + + return(TRUE); + } + + if (0 != memcmp(dfield_get_data(field), data, len)) { + + return(FALSE); + } + + return(TRUE); +} + +/************************************************************//** +Compare two data tuples, respecting the collation of character fields. +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, +than tuple2 */ +UNIV_INTERN +int +dtuple_coll_cmp( +/*============*/ + const dtuple_t* tuple1, /*!< in: tuple 1 */ + const dtuple_t* tuple2) /*!< in: tuple 2 */ +{ + ulint n_fields; + ulint i; + + ut_ad(tuple1 && tuple2); + ut_ad(tuple1->magic_n == DATA_TUPLE_MAGIC_N); + ut_ad(tuple2->magic_n == DATA_TUPLE_MAGIC_N); + ut_ad(dtuple_check_typed(tuple1)); + ut_ad(dtuple_check_typed(tuple2)); + + n_fields = dtuple_get_n_fields(tuple1); + + if (n_fields != dtuple_get_n_fields(tuple2)) { + + return(n_fields < dtuple_get_n_fields(tuple2) ? -1 : 1); + } + + for (i = 0; i < n_fields; i++) { + int cmp; + const dfield_t* field1 = dtuple_get_nth_field(tuple1, i); + const dfield_t* field2 = dtuple_get_nth_field(tuple2, i); + + cmp = cmp_dfield_dfield(field1, field2); + + if (cmp) { + return(cmp); + } + } + + return(0); +} + +/*********************************************************************//** +Sets number of fields used in a tuple. Normally this is set in +dtuple_create, but if you want later to set it smaller, you can use this. */ +UNIV_INTERN +void +dtuple_set_n_fields( +/*================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields) /*!< in: number of fields */ +{ + ut_ad(tuple); + + tuple->n_fields = n_fields; + tuple->n_fields_cmp = n_fields; +} + +/**********************************************************//** +Checks that a data field is typed. +@return TRUE if ok */ +static +ibool +dfield_check_typed_no_assert( +/*=========================*/ + const dfield_t* field) /*!< in: data field */ +{ + if (dfield_get_type(field)->mtype > DATA_MYSQL + || dfield_get_type(field)->mtype < DATA_VARCHAR) { + + fprintf(stderr, + "InnoDB: Error: data field type %lu, len %lu\n", + (ulong) dfield_get_type(field)->mtype, + (ulong) dfield_get_len(field)); + return(FALSE); + } + + return(TRUE); +} + +/**********************************************************//** +Checks that a data tuple is typed. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_check_typed_no_assert( +/*=========================*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + const dfield_t* field; + ulint i; + + if (dtuple_get_n_fields(tuple) > REC_MAX_N_FIELDS) { + fprintf(stderr, + "InnoDB: Error: index entry has %lu fields\n", + (ulong) dtuple_get_n_fields(tuple)); +dump: + fputs("InnoDB: Tuple contents: ", stderr); + dtuple_print(stderr, tuple); + putc('\n', stderr); + + return(FALSE); + } + + for (i = 0; i < dtuple_get_n_fields(tuple); i++) { + + field = dtuple_get_nth_field(tuple, i); + + if (!dfield_check_typed_no_assert(field)) { + goto dump; + } + } + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +/**********************************************************//** +Checks that a data field is typed. Asserts an error if not. +@return TRUE if ok */ +UNIV_INTERN +ibool +dfield_check_typed( +/*===============*/ + const dfield_t* field) /*!< in: data field */ +{ + if (dfield_get_type(field)->mtype > DATA_MYSQL + || dfield_get_type(field)->mtype < DATA_VARCHAR) { + + fprintf(stderr, + "InnoDB: Error: data field type %lu, len %lu\n", + (ulong) dfield_get_type(field)->mtype, + (ulong) dfield_get_len(field)); + + ut_error; + } + + return(TRUE); +} + +/**********************************************************//** +Checks that a data tuple is typed. Asserts an error if not. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_check_typed( +/*===============*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + const dfield_t* field; + ulint i; + + for (i = 0; i < dtuple_get_n_fields(tuple); i++) { + + field = dtuple_get_nth_field(tuple, i); + + ut_a(dfield_check_typed(field)); + } + + return(TRUE); +} + +/**********************************************************//** +Validates the consistency of a tuple which must be complete, i.e, +all fields must have been set. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_validate( +/*============*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + const dfield_t* field; + ulint n_fields; + ulint len; + ulint i; + + ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); + + n_fields = dtuple_get_n_fields(tuple); + + /* We dereference all the data of each field to test + for memory traps */ + + for (i = 0; i < n_fields; i++) { + + field = dtuple_get_nth_field(tuple, i); + len = dfield_get_len(field); + + if (!dfield_is_null(field)) { + + const byte* data = dfield_get_data(field); +#ifndef UNIV_DEBUG_VALGRIND + ulint j; + + for (j = 0; j < len; j++) { + + data_dummy += *data; /* fool the compiler not + to optimize out this + code */ + data++; + } +#endif /* !UNIV_DEBUG_VALGRIND */ + + UNIV_MEM_ASSERT_RW(data, len); + } + } + + ut_a(dtuple_check_typed(tuple)); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Pretty prints a dfield value according to its data type. */ +UNIV_INTERN +void +dfield_print( +/*=========*/ + const dfield_t* dfield) /*!< in: dfield */ +{ + const byte* data; + ulint len; + ulint i; + + len = dfield_get_len(dfield); + data = dfield_get_data(dfield); + + if (dfield_is_null(dfield)) { + fputs("NULL", stderr); + + return; + } + + switch (dtype_get_mtype(dfield_get_type(dfield))) { + case DATA_CHAR: + case DATA_VARCHAR: + for (i = 0; i < len; i++) { + int c = *data++; + putc(isprint(c) ? c : ' ', stderr); + } + + if (dfield_is_ext(dfield)) { + fputs("(external)", stderr); + } + break; + case DATA_INT: + ut_a(len == 4); /* only works for 32-bit integers */ + fprintf(stderr, "%d", (int)mach_read_from_4(data)); + break; + default: + ut_error; + } +} + +/*************************************************************//** +Pretty prints a dfield value according to its data type. Also the hex string +is printed if a string contains non-printable characters. */ +UNIV_INTERN +void +dfield_print_also_hex( +/*==================*/ + const dfield_t* dfield) /*!< in: dfield */ +{ + const byte* data; + ulint len; + ulint prtype; + ulint i; + ibool print_also_hex; + + len = dfield_get_len(dfield); + data = dfield_get_data(dfield); + + if (dfield_is_null(dfield)) { + fputs("NULL", stderr); + + return; + } + + prtype = dtype_get_prtype(dfield_get_type(dfield)); + + switch (dtype_get_mtype(dfield_get_type(dfield))) { + dulint id; + case DATA_INT: + switch (len) { + ulint val; + case 1: + val = mach_read_from_1(data); + + if (!(prtype & DATA_UNSIGNED)) { + val &= ~0x80; + fprintf(stderr, "%ld", (long) val); + } else { + fprintf(stderr, "%lu", (ulong) val); + } + break; + + case 2: + val = mach_read_from_2(data); + + if (!(prtype & DATA_UNSIGNED)) { + val &= ~0x8000; + fprintf(stderr, "%ld", (long) val); + } else { + fprintf(stderr, "%lu", (ulong) val); + } + break; + + case 3: + val = mach_read_from_3(data); + + if (!(prtype & DATA_UNSIGNED)) { + val &= ~0x800000; + fprintf(stderr, "%ld", (long) val); + } else { + fprintf(stderr, "%lu", (ulong) val); + } + break; + + case 4: + val = mach_read_from_4(data); + + if (!(prtype & DATA_UNSIGNED)) { + val &= ~0x80000000; + fprintf(stderr, "%ld", (long) val); + } else { + fprintf(stderr, "%lu", (ulong) val); + } + break; + + case 6: + id = mach_read_from_6(data); + fprintf(stderr, "{%lu %lu}", + ut_dulint_get_high(id), + ut_dulint_get_low(id)); + break; + + case 7: + id = mach_read_from_7(data); + fprintf(stderr, "{%lu %lu}", + ut_dulint_get_high(id), + ut_dulint_get_low(id)); + break; + case 8: + id = mach_read_from_8(data); + fprintf(stderr, "{%lu %lu}", + ut_dulint_get_high(id), + ut_dulint_get_low(id)); + break; + default: + goto print_hex; + } + break; + + case DATA_SYS: + switch (prtype & DATA_SYS_PRTYPE_MASK) { + case DATA_TRX_ID: + id = mach_read_from_6(data); + + fprintf(stderr, "trx_id " TRX_ID_FMT, + TRX_ID_PREP_PRINTF(id)); + break; + + case DATA_ROLL_PTR: + id = mach_read_from_7(data); + + fprintf(stderr, "roll_ptr {%lu %lu}", + ut_dulint_get_high(id), ut_dulint_get_low(id)); + break; + + case DATA_ROW_ID: + id = mach_read_from_6(data); + + fprintf(stderr, "row_id {%lu %lu}", + ut_dulint_get_high(id), ut_dulint_get_low(id)); + break; + + default: + id = mach_dulint_read_compressed(data); + + fprintf(stderr, "mix_id {%lu %lu}", + ut_dulint_get_high(id), ut_dulint_get_low(id)); + } + break; + + case DATA_CHAR: + case DATA_VARCHAR: + print_also_hex = FALSE; + + for (i = 0; i < len; i++) { + int c = *data++; + + if (!isprint(c)) { + print_also_hex = TRUE; + + fprintf(stderr, "\\x%02x", (unsigned char) c); + } else { + putc(c, stderr); + } + } + + if (dfield_is_ext(dfield)) { + fputs("(external)", stderr); + } + + if (!print_also_hex) { + break; + } + + data = dfield_get_data(dfield); + /* fall through */ + + case DATA_BINARY: + default: +print_hex: + fputs(" Hex: ",stderr); + + for (i = 0; i < len; i++) { + fprintf(stderr, "%02lx", (ulint) *data++); + } + + if (dfield_is_ext(dfield)) { + fputs("(external)", stderr); + } + } +} + +/*************************************************************//** +Print a dfield value using ut_print_buf. */ +static +void +dfield_print_raw( +/*=============*/ + FILE* f, /*!< in: output stream */ + const dfield_t* dfield) /*!< in: dfield */ +{ + ulint len = dfield_get_len(dfield); + if (!dfield_is_null(dfield)) { + ulint print_len = ut_min(len, 1000); + ut_print_buf(f, dfield_get_data(dfield), print_len); + if (len != print_len) { + fprintf(f, "(total %lu bytes%s)", + (ulong) len, + dfield_is_ext(dfield) ? ", external" : ""); + } + } else { + fputs(" SQL NULL", f); + } +} + +/**********************************************************//** +The following function prints the contents of a tuple. */ +UNIV_INTERN +void +dtuple_print( +/*=========*/ + FILE* f, /*!< in: output stream */ + const dtuple_t* tuple) /*!< in: tuple */ +{ + ulint n_fields; + ulint i; + + n_fields = dtuple_get_n_fields(tuple); + + fprintf(f, "DATA TUPLE: %lu fields;\n", (ulong) n_fields); + + for (i = 0; i < n_fields; i++) { + fprintf(f, " %lu:", (ulong) i); + + dfield_print_raw(f, dtuple_get_nth_field(tuple, i)); + + putc(';', f); + putc('\n', f); + } + + ut_ad(dtuple_validate(tuple)); +} + +/**************************************************************//** +Moves parts of long fields in entry to the big record vector so that +the size of tuple drops below the maximum record size allowed in the +database. Moves data only from those fields which are not necessary +to determine uniquely the insertion place of the tuple in the index. +@return own: created big record vector, NULL if we are not able to +shorten the entry enough, i.e., if there are too many fixed-length or +short fields in entry or the index is clustered */ +UNIV_INTERN +big_rec_t* +dtuple_convert_big_rec( +/*===================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in/out: index entry */ + ulint* n_ext) /*!< in/out: number of + externally stored columns */ +{ + mem_heap_t* heap; + big_rec_t* vector; + dfield_t* dfield; + dict_field_t* ifield; + ulint size; + ulint n_fields; + ulint local_len; + ulint local_prefix_len; + + if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { + return(NULL); + } + + if (dict_table_get_format(index->table) < DICT_TF_FORMAT_ZIP) { + /* up to MySQL 5.1: store a 768-byte prefix locally */ + local_len = BTR_EXTERN_FIELD_REF_SIZE + DICT_MAX_INDEX_COL_LEN; + } else { + /* new-format table: do not store any BLOB prefix locally */ + local_len = BTR_EXTERN_FIELD_REF_SIZE; + } + + ut_a(dtuple_check_typed_no_assert(entry)); + + size = rec_get_converted_size(index, entry, *n_ext); + + if (UNIV_UNLIKELY(size > 1000000000)) { + fprintf(stderr, + "InnoDB: Warning: tuple size very big: %lu\n", + (ulong) size); + fputs("InnoDB: Tuple contents: ", stderr); + dtuple_print(stderr, entry); + putc('\n', stderr); + } + + heap = mem_heap_create(size + dtuple_get_n_fields(entry) + * sizeof(big_rec_field_t) + 1000); + + vector = mem_heap_alloc(heap, sizeof(big_rec_t)); + + vector->heap = heap; + vector->fields = mem_heap_alloc(heap, dtuple_get_n_fields(entry) + * sizeof(big_rec_field_t)); + + /* Decide which fields to shorten: the algorithm is to look for + a variable-length field that yields the biggest savings when + stored externally */ + + n_fields = 0; + + while (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, + *n_ext), + dict_table_is_comp(index->table), + dict_index_get_n_fields(index), + dict_table_zip_size(index->table))) { + ulint i; + ulint longest = 0; + ulint longest_i = ULINT_MAX; + byte* data; + big_rec_field_t* b; + + for (i = dict_index_get_n_unique_in_tree(index); + i < dtuple_get_n_fields(entry); i++) { + ulint savings; + + dfield = dtuple_get_nth_field(entry, i); + ifield = dict_index_get_nth_field(index, i); + + /* Skip fixed-length, NULL, externally stored, + or short columns */ + + if (ifield->fixed_len + || dfield_is_null(dfield) + || dfield_is_ext(dfield) + || dfield_get_len(dfield) <= local_len + || dfield_get_len(dfield) + <= BTR_EXTERN_FIELD_REF_SIZE * 2) { + goto skip_field; + } + + savings = dfield_get_len(dfield) - local_len; + + /* Check that there would be savings */ + if (longest >= savings) { + goto skip_field; + } + + longest_i = i; + longest = savings; + +skip_field: + continue; + } + + if (!longest) { + /* Cannot shorten more */ + + mem_heap_free(heap); + + return(NULL); + } + + /* Move data from field longest_i to big rec vector. + + We store the first bytes locally to the record. Then + we can calculate all ordering fields in all indexes + from locally stored data. */ + + dfield = dtuple_get_nth_field(entry, longest_i); + ifield = dict_index_get_nth_field(index, longest_i); + local_prefix_len = local_len - BTR_EXTERN_FIELD_REF_SIZE; + + b = &vector->fields[n_fields]; + b->field_no = longest_i; + b->len = dfield_get_len(dfield) - local_prefix_len; + b->data = (char*) dfield_get_data(dfield) + local_prefix_len; + + /* Allocate the locally stored part of the column. */ + data = mem_heap_alloc(heap, local_len); + + /* Copy the local prefix. */ + memcpy(data, dfield_get_data(dfield), local_prefix_len); + /* Clear the extern field reference (BLOB pointer). */ + memset(data + local_prefix_len, 0, BTR_EXTERN_FIELD_REF_SIZE); +#if 0 + /* The following would fail the Valgrind checks in + page_cur_insert_rec_low() and page_cur_insert_rec_zip(). + The BLOB pointers in the record will be initialized after + the record and the BLOBs have been written. */ + UNIV_MEM_ALLOC(data + local_prefix_len, + BTR_EXTERN_FIELD_REF_SIZE); +#endif + + dfield_set_data(dfield, data, local_len); + dfield_set_ext(dfield); + + n_fields++; + (*n_ext)++; + ut_ad(n_fields < dtuple_get_n_fields(entry)); + } + + vector->n_fields = n_fields; + return(vector); +} + +/**************************************************************//** +Puts back to entry the data stored in vector. Note that to ensure the +fields in entry can accommodate the data, vector must have been created +from entry with dtuple_convert_big_rec. */ +UNIV_INTERN +void +dtuple_convert_back_big_rec( +/*========================*/ + dict_index_t* index __attribute__((unused)), /*!< in: index */ + dtuple_t* entry, /*!< in: entry whose data was put to vector */ + big_rec_t* vector) /*!< in, own: big rec vector; it is + freed in this function */ +{ + big_rec_field_t* b = vector->fields; + const big_rec_field_t* const end = b + vector->n_fields; + + for (; b < end; b++) { + dfield_t* dfield; + ulint local_len; + + dfield = dtuple_get_nth_field(entry, b->field_no); + local_len = dfield_get_len(dfield); + + ut_ad(dfield_is_ext(dfield)); + ut_ad(local_len >= BTR_EXTERN_FIELD_REF_SIZE); + + local_len -= BTR_EXTERN_FIELD_REF_SIZE; + + ut_ad(local_len <= DICT_MAX_INDEX_COL_LEN); + + dfield_set_data(dfield, + (char*) b->data - local_len, + b->len + local_len); + } + + mem_heap_free(vector->heap); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/data/data0type.c b/perfschema/data/data0type.c new file mode 100644 index 00000000000..e834fd2ec55 --- /dev/null +++ b/perfschema/data/data0type.c @@ -0,0 +1,297 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file data/data0type.c +Data types + +Created 1/16/1996 Heikki Tuuri +*******************************************************/ + +#include "data0type.h" + +#ifdef UNIV_NONINL +#include "data0type.ic" +#endif + +#ifndef UNIV_HOTBACKUP +# include "ha_prototypes.h" + +/* At the database startup we store the default-charset collation number of +this MySQL installation to this global variable. If we have < 4.1.2 format +column definitions, or records in the insert buffer, we use this +charset-collation code for them. */ + +UNIV_INTERN ulint data_mysql_default_charset_coll; + +/*********************************************************************//** +Determine how many bytes the first n characters of the given string occupy. +If the string is shorter than n characters, returns the number of bytes +the characters in the string occupy. +@return length of the prefix, in bytes */ +UNIV_INTERN +ulint +dtype_get_at_most_n_mbchars( +/*========================*/ + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a + multi-byte character */ + ulint mbmaxlen, /*!< in: maximum length of a + multi-byte character */ + ulint prefix_len, /*!< in: length of the requested + prefix, in characters, multiplied by + dtype_get_mbmaxlen(dtype) */ + ulint data_len, /*!< in: length of str (in bytes) */ + const char* str) /*!< in: the string whose prefix + length is being determined */ +{ + ut_a(data_len != UNIV_SQL_NULL); + ut_ad(!mbmaxlen || !(prefix_len % mbmaxlen)); + + if (mbminlen != mbmaxlen) { + ut_a(!(prefix_len % mbmaxlen)); + return(innobase_get_at_most_n_mbchars( + dtype_get_charset_coll(prtype), + prefix_len, data_len, str)); + } + + if (prefix_len < data_len) { + + return(prefix_len); + + } + + return(data_len); +} +#endif /* UNIV_HOTBACKUP */ + +/*********************************************************************//** +Checks if a data main type is a string type. Also a BLOB is considered a +string type. +@return TRUE if string type */ +UNIV_INTERN +ibool +dtype_is_string_type( +/*=================*/ + ulint mtype) /*!< in: InnoDB main data type code: DATA_CHAR, ... */ +{ + if (mtype <= DATA_BLOB + || mtype == DATA_MYSQL + || mtype == DATA_VARMYSQL) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Checks if a type is a binary string type. Note that for tables created with +< 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For +those DATA_BLOB columns this function currently returns FALSE. +@return TRUE if binary string type */ +UNIV_INTERN +ibool +dtype_is_binary_string_type( +/*========================*/ + ulint mtype, /*!< in: main data type */ + ulint prtype) /*!< in: precise type */ +{ + if ((mtype == DATA_FIXBINARY) + || (mtype == DATA_BINARY) + || (mtype == DATA_BLOB && (prtype & DATA_BINARY_TYPE))) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Checks if a type is a non-binary string type. That is, dtype_is_string_type is +TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created +with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. +For those DATA_BLOB columns this function currently returns TRUE. +@return TRUE if non-binary string type */ +UNIV_INTERN +ibool +dtype_is_non_binary_string_type( +/*============================*/ + ulint mtype, /*!< in: main data type */ + ulint prtype) /*!< in: precise type */ +{ + if (dtype_is_string_type(mtype) == TRUE + && dtype_is_binary_string_type(mtype, prtype) == FALSE) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Forms a precise type from the < 4.1.2 format precise type plus the +charset-collation code. +@return precise type, including the charset-collation code */ +UNIV_INTERN +ulint +dtype_form_prtype( +/*==============*/ + ulint old_prtype, /*!< in: the MySQL type code and the flags + DATA_BINARY_TYPE etc. */ + ulint charset_coll) /*!< in: MySQL charset-collation code */ +{ + ut_a(old_prtype < 256 * 256); + ut_a(charset_coll < 256); + + return(old_prtype + (charset_coll << 16)); +} + +/*********************************************************************//** +Validates a data type structure. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtype_validate( +/*===========*/ + const dtype_t* type) /*!< in: type struct to validate */ +{ + ut_a(type); + ut_a(type->mtype >= DATA_VARCHAR); + ut_a(type->mtype <= DATA_MYSQL); + + if (type->mtype == DATA_SYS) { + ut_a((type->prtype & DATA_MYSQL_TYPE_MASK) < DATA_N_SYS_COLS); + } + +#ifndef UNIV_HOTBACKUP + ut_a(type->mbminlen <= type->mbmaxlen); +#endif /* !UNIV_HOTBACKUP */ + + return(TRUE); +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Prints a data type structure. */ +UNIV_INTERN +void +dtype_print( +/*========*/ + const dtype_t* type) /*!< in: type */ +{ + ulint mtype; + ulint prtype; + ulint len; + + ut_a(type); + + mtype = type->mtype; + prtype = type->prtype; + + switch (mtype) { + case DATA_VARCHAR: + fputs("DATA_VARCHAR", stderr); + break; + + case DATA_CHAR: + fputs("DATA_CHAR", stderr); + break; + + case DATA_BINARY: + fputs("DATA_BINARY", stderr); + break; + + case DATA_FIXBINARY: + fputs("DATA_FIXBINARY", stderr); + break; + + case DATA_BLOB: + fputs("DATA_BLOB", stderr); + break; + + case DATA_INT: + fputs("DATA_INT", stderr); + break; + + case DATA_MYSQL: + fputs("DATA_MYSQL", stderr); + break; + + case DATA_SYS: + fputs("DATA_SYS", stderr); + break; + + case DATA_FLOAT: + fputs("DATA_FLOAT", stderr); + break; + + case DATA_DOUBLE: + fputs("DATA_DOUBLE", stderr); + break; + + case DATA_DECIMAL: + fputs("DATA_DECIMAL", stderr); + break; + + case DATA_VARMYSQL: + fputs("DATA_VARMYSQL", stderr); + break; + + default: + fprintf(stderr, "type %lu", (ulong) mtype); + break; + } + + len = type->len; + + if ((type->mtype == DATA_SYS) + || (type->mtype == DATA_VARCHAR) + || (type->mtype == DATA_CHAR)) { + putc(' ', stderr); + if (prtype == DATA_ROW_ID) { + fputs("DATA_ROW_ID", stderr); + len = DATA_ROW_ID_LEN; + } else if (prtype == DATA_ROLL_PTR) { + fputs("DATA_ROLL_PTR", stderr); + len = DATA_ROLL_PTR_LEN; + } else if (prtype == DATA_TRX_ID) { + fputs("DATA_TRX_ID", stderr); + len = DATA_TRX_ID_LEN; + } else if (prtype == DATA_ENGLISH) { + fputs("DATA_ENGLISH", stderr); + } else { + fprintf(stderr, "prtype %lu", (ulong) prtype); + } + } else { + if (prtype & DATA_UNSIGNED) { + fputs(" DATA_UNSIGNED", stderr); + } + + if (prtype & DATA_BINARY_TYPE) { + fputs(" DATA_BINARY_TYPE", stderr); + } + + if (prtype & DATA_NOT_NULL) { + fputs(" DATA_NOT_NULL", stderr); + } + } + + fprintf(stderr, " len %lu", (ulong) len); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/dict/dict0boot.c b/perfschema/dict/dict0boot.c new file mode 100644 index 00000000000..70b5bfa99f7 --- /dev/null +++ b/perfschema/dict/dict0boot.c @@ -0,0 +1,468 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file dict/dict0boot.c +Data dictionary creation and booting + +Created 4/18/1996 Heikki Tuuri +*******************************************************/ + +#include "dict0boot.h" + +#ifdef UNIV_NONINL +#include "dict0boot.ic" +#endif + +#include "dict0crea.h" +#include "btr0btr.h" +#include "dict0load.h" +#include "dict0load.h" +#include "trx0trx.h" +#include "srv0srv.h" +#include "ibuf0ibuf.h" +#include "buf0flu.h" +#include "log0recv.h" +#include "os0file.h" + +/**********************************************************************//** +Gets a pointer to the dictionary header and x-latches its page. +@return pointer to the dictionary header, page x-latched */ +UNIV_INTERN +dict_hdr_t* +dict_hdr_get( +/*=========*/ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + dict_hdr_t* header; + + block = buf_page_get(DICT_HDR_SPACE, 0, DICT_HDR_PAGE_NO, + RW_X_LATCH, mtr); + header = DICT_HDR + buf_block_get_frame(block); + + buf_block_dbg_add_level(block, SYNC_DICT_HEADER); + + return(header); +} + +/**********************************************************************//** +Returns a new table, index, or tree id. +@return the new id */ +UNIV_INTERN +dulint +dict_hdr_get_new_id( +/*================*/ + ulint type) /*!< in: DICT_HDR_ROW_ID, ... */ +{ + dict_hdr_t* dict_hdr; + dulint id; + mtr_t mtr; + + ut_ad((type == DICT_HDR_TABLE_ID) || (type == DICT_HDR_INDEX_ID)); + + mtr_start(&mtr); + + dict_hdr = dict_hdr_get(&mtr); + + id = mtr_read_dulint(dict_hdr + type, &mtr); + id = ut_dulint_add(id, 1); + + mlog_write_dulint(dict_hdr + type, id, &mtr); + + mtr_commit(&mtr); + + return(id); +} + +/**********************************************************************//** +Writes the current value of the row id counter to the dictionary header file +page. */ +UNIV_INTERN +void +dict_hdr_flush_row_id(void) +/*=======================*/ +{ + dict_hdr_t* dict_hdr; + dulint id; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + id = dict_sys->row_id; + + mtr_start(&mtr); + + dict_hdr = dict_hdr_get(&mtr); + + mlog_write_dulint(dict_hdr + DICT_HDR_ROW_ID, id, &mtr); + + mtr_commit(&mtr); +} + +/*****************************************************************//** +Creates the file page for the dictionary header. This function is +called only at the database creation. +@return TRUE if succeed */ +static +ibool +dict_hdr_create( +/*============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + dict_hdr_t* dict_header; + ulint root_page_no; + + ut_ad(mtr); + + /* Create the dictionary header file block in a new, allocated file + segment in the system tablespace */ + block = fseg_create(DICT_HDR_SPACE, 0, + DICT_HDR + DICT_HDR_FSEG_HEADER, mtr); + + ut_a(DICT_HDR_PAGE_NO == buf_block_get_page_no(block)); + + dict_header = dict_hdr_get(mtr); + + /* Start counting row, table, index, and tree ids from + DICT_HDR_FIRST_ID */ + mlog_write_dulint(dict_header + DICT_HDR_ROW_ID, + ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); + + mlog_write_dulint(dict_header + DICT_HDR_TABLE_ID, + ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); + + mlog_write_dulint(dict_header + DICT_HDR_INDEX_ID, + ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); + + /* Obsolete, but we must initialize it to 0 anyway. */ + mlog_write_dulint(dict_header + DICT_HDR_MIX_ID, + ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); + + /* Create the B-tree roots for the clustered indexes of the basic + system tables */ + + /*--------------------------*/ + root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, + DICT_HDR_SPACE, 0, DICT_TABLES_ID, + dict_ind_redundant, mtr); + if (root_page_no == FIL_NULL) { + + return(FALSE); + } + + mlog_write_ulint(dict_header + DICT_HDR_TABLES, root_page_no, + MLOG_4BYTES, mtr); + /*--------------------------*/ + root_page_no = btr_create(DICT_UNIQUE, DICT_HDR_SPACE, 0, + DICT_TABLE_IDS_ID, + dict_ind_redundant, mtr); + if (root_page_no == FIL_NULL) { + + return(FALSE); + } + + mlog_write_ulint(dict_header + DICT_HDR_TABLE_IDS, root_page_no, + MLOG_4BYTES, mtr); + /*--------------------------*/ + root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, + DICT_HDR_SPACE, 0, DICT_COLUMNS_ID, + dict_ind_redundant, mtr); + if (root_page_no == FIL_NULL) { + + return(FALSE); + } + + mlog_write_ulint(dict_header + DICT_HDR_COLUMNS, root_page_no, + MLOG_4BYTES, mtr); + /*--------------------------*/ + root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, + DICT_HDR_SPACE, 0, DICT_INDEXES_ID, + dict_ind_redundant, mtr); + if (root_page_no == FIL_NULL) { + + return(FALSE); + } + + mlog_write_ulint(dict_header + DICT_HDR_INDEXES, root_page_no, + MLOG_4BYTES, mtr); + /*--------------------------*/ + root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, + DICT_HDR_SPACE, 0, DICT_FIELDS_ID, + dict_ind_redundant, mtr); + if (root_page_no == FIL_NULL) { + + return(FALSE); + } + + mlog_write_ulint(dict_header + DICT_HDR_FIELDS, root_page_no, + MLOG_4BYTES, mtr); + /*--------------------------*/ + + return(TRUE); +} + +/*****************************************************************//** +Initializes the data dictionary memory structures when the database is +started. This function is also called when the data dictionary is created. */ +UNIV_INTERN +void +dict_boot(void) +/*===========*/ +{ + dict_table_t* table; + dict_index_t* index; + dict_hdr_t* dict_hdr; + mem_heap_t* heap; + mtr_t mtr; + ulint error; + + mtr_start(&mtr); + + /* Create the hash tables etc. */ + dict_init(); + + heap = mem_heap_create(450); + + mutex_enter(&(dict_sys->mutex)); + + /* Get the dictionary header */ + dict_hdr = dict_hdr_get(&mtr); + + /* Because we only write new row ids to disk-based data structure + (dictionary header) when it is divisible by + DICT_HDR_ROW_ID_WRITE_MARGIN, in recovery we will not recover + the latest value of the row id counter. Therefore we advance + the counter at the database startup to avoid overlapping values. + Note that when a user after database startup first time asks for + a new row id, then because the counter is now divisible by + ..._MARGIN, it will immediately be updated to the disk-based + header. */ + + dict_sys->row_id = ut_dulint_add( + ut_dulint_align_up(mtr_read_dulint(dict_hdr + DICT_HDR_ROW_ID, + &mtr), + DICT_HDR_ROW_ID_WRITE_MARGIN), + DICT_HDR_ROW_ID_WRITE_MARGIN); + + /* Insert into the dictionary cache the descriptions of the basic + system tables */ + /*-------------------------*/ + table = dict_mem_table_create("SYS_TABLES", DICT_HDR_SPACE, 8, 0); + + dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); + /* ROW_FORMAT = (N_COLS >> 31) ? COMPACT : REDUNDANT */ + dict_mem_table_add_col(table, heap, "N_COLS", DATA_INT, 0, 4); + /* TYPE is either DICT_TABLE_ORDINARY, or (TYPE & DICT_TF_COMPACT) + and (TYPE & DICT_TF_FORMAT_MASK) are nonzero and TYPE = table->flags */ + dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "MIX_ID", DATA_BINARY, 0, 0); + /* MIX_LEN may contain additional table flags when + ROW_FORMAT!=REDUNDANT. Currently, these flags include + DICT_TF2_TEMPORARY. */ + dict_mem_table_add_col(table, heap, "MIX_LEN", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "CLUSTER_NAME", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); + + table->id = DICT_TABLES_ID; + + dict_table_add_to_cache(table, heap); + dict_sys->sys_tables = table; + mem_heap_empty(heap); + + index = dict_mem_index_create("SYS_TABLES", "CLUST_IND", + DICT_HDR_SPACE, + DICT_UNIQUE | DICT_CLUSTERED, 1); + + dict_mem_index_add_field(index, "NAME", 0); + + index->id = DICT_TABLES_ID; + + error = dict_index_add_to_cache(table, index, + mtr_read_ulint(dict_hdr + + DICT_HDR_TABLES, + MLOG_4BYTES, &mtr), + FALSE); + ut_a(error == DB_SUCCESS); + + /*-------------------------*/ + index = dict_mem_index_create("SYS_TABLES", "ID_IND", + DICT_HDR_SPACE, DICT_UNIQUE, 1); + dict_mem_index_add_field(index, "ID", 0); + + index->id = DICT_TABLE_IDS_ID; + error = dict_index_add_to_cache(table, index, + mtr_read_ulint(dict_hdr + + DICT_HDR_TABLE_IDS, + MLOG_4BYTES, &mtr), + FALSE); + ut_a(error == DB_SUCCESS); + + /*-------------------------*/ + table = dict_mem_table_create("SYS_COLUMNS", DICT_HDR_SPACE, 7, 0); + + dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "MTYPE", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "PRTYPE", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "LEN", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "PREC", DATA_INT, 0, 4); + + table->id = DICT_COLUMNS_ID; + + dict_table_add_to_cache(table, heap); + dict_sys->sys_columns = table; + mem_heap_empty(heap); + + index = dict_mem_index_create("SYS_COLUMNS", "CLUST_IND", + DICT_HDR_SPACE, + DICT_UNIQUE | DICT_CLUSTERED, 2); + + dict_mem_index_add_field(index, "TABLE_ID", 0); + dict_mem_index_add_field(index, "POS", 0); + + index->id = DICT_COLUMNS_ID; + error = dict_index_add_to_cache(table, index, + mtr_read_ulint(dict_hdr + + DICT_HDR_COLUMNS, + MLOG_4BYTES, &mtr), + FALSE); + ut_a(error == DB_SUCCESS); + + /*-------------------------*/ + table = dict_mem_table_create("SYS_INDEXES", DICT_HDR_SPACE, 7, 0); + + dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "N_FIELDS", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "PAGE_NO", DATA_INT, 0, 4); + + /* The '+ 2' below comes from the fields DB_TRX_ID, DB_ROLL_PTR */ +#if DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2 +#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2" +#endif +#if DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2 +#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2" +#endif +#if DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2 +#error "DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2" +#endif +#if DICT_SYS_INDEXES_NAME_FIELD != 1 + 2 +#error "DICT_SYS_INDEXES_NAME_FIELD != 1 + 2" +#endif + + table->id = DICT_INDEXES_ID; + dict_table_add_to_cache(table, heap); + dict_sys->sys_indexes = table; + mem_heap_empty(heap); + + index = dict_mem_index_create("SYS_INDEXES", "CLUST_IND", + DICT_HDR_SPACE, + DICT_UNIQUE | DICT_CLUSTERED, 2); + + dict_mem_index_add_field(index, "TABLE_ID", 0); + dict_mem_index_add_field(index, "ID", 0); + + index->id = DICT_INDEXES_ID; + error = dict_index_add_to_cache(table, index, + mtr_read_ulint(dict_hdr + + DICT_HDR_INDEXES, + MLOG_4BYTES, &mtr), + FALSE); + ut_a(error == DB_SUCCESS); + + /*-------------------------*/ + table = dict_mem_table_create("SYS_FIELDS", DICT_HDR_SPACE, 3, 0); + + dict_mem_table_add_col(table, heap, "INDEX_ID", DATA_BINARY, 0, 0); + dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); + dict_mem_table_add_col(table, heap, "COL_NAME", DATA_BINARY, 0, 0); + + table->id = DICT_FIELDS_ID; + dict_table_add_to_cache(table, heap); + dict_sys->sys_fields = table; + mem_heap_free(heap); + + index = dict_mem_index_create("SYS_FIELDS", "CLUST_IND", + DICT_HDR_SPACE, + DICT_UNIQUE | DICT_CLUSTERED, 2); + + dict_mem_index_add_field(index, "INDEX_ID", 0); + dict_mem_index_add_field(index, "POS", 0); + + index->id = DICT_FIELDS_ID; + error = dict_index_add_to_cache(table, index, + mtr_read_ulint(dict_hdr + + DICT_HDR_FIELDS, + MLOG_4BYTES, &mtr), + FALSE); + ut_a(error == DB_SUCCESS); + + mtr_commit(&mtr); + /*-------------------------*/ + + /* Initialize the insert buffer table and index for each tablespace */ + + ibuf_init_at_db_start(); + + /* Load definitions of other indexes on system tables */ + + dict_load_sys_table(dict_sys->sys_tables); + dict_load_sys_table(dict_sys->sys_columns); + dict_load_sys_table(dict_sys->sys_indexes); + dict_load_sys_table(dict_sys->sys_fields); + + mutex_exit(&(dict_sys->mutex)); +} + +/*****************************************************************//** +Inserts the basic system table data into themselves in the database +creation. */ +static +void +dict_insert_initial_data(void) +/*==========================*/ +{ + /* Does nothing yet */ +} + +/*****************************************************************//** +Creates and initializes the data dictionary at the database creation. */ +UNIV_INTERN +void +dict_create(void) +/*=============*/ +{ + mtr_t mtr; + + mtr_start(&mtr); + + dict_hdr_create(&mtr); + + mtr_commit(&mtr); + + dict_boot(); + + dict_insert_initial_data(); +} diff --git a/perfschema/dict/dict0crea.c b/perfschema/dict/dict0crea.c new file mode 100644 index 00000000000..4ba7cd8a48c --- /dev/null +++ b/perfschema/dict/dict0crea.c @@ -0,0 +1,1512 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file dict/dict0crea.c +Database object creation + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + +#include "dict0crea.h" + +#ifdef UNIV_NONINL +#include "dict0crea.ic" +#endif + +#include "btr0pcur.h" +#include "btr0btr.h" +#include "page0page.h" +#include "mach0data.h" +#include "dict0boot.h" +#include "dict0dict.h" +#include "que0que.h" +#include "row0ins.h" +#include "row0mysql.h" +#include "pars0pars.h" +#include "trx0roll.h" +#include "usr0sess.h" +#include "ut0vec.h" + +/*****************************************************************//** +Based on a table object, this function builds the entry to be inserted +in the SYS_TABLES system table. +@return the tuple which should be inserted */ +static +dtuple_t* +dict_create_sys_tables_tuple( +/*=========================*/ + const dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ +{ + dict_table_t* sys_tables; + dtuple_t* entry; + dfield_t* dfield; + byte* ptr; + + ut_ad(table); + ut_ad(heap); + + sys_tables = dict_sys->sys_tables; + + entry = dtuple_create(heap, 8 + DATA_N_SYS_COLS); + + dict_table_copy_types(entry, sys_tables); + + /* 0: NAME -----------------------------*/ + dfield = dtuple_get_nth_field(entry, 0/*NAME*/); + + dfield_set_data(dfield, table->name, ut_strlen(table->name)); + /* 3: ID -------------------------------*/ + dfield = dtuple_get_nth_field(entry, 1/*ID*/); + + ptr = mem_heap_alloc(heap, 8); + mach_write_to_8(ptr, table->id); + + dfield_set_data(dfield, ptr, 8); + /* 4: N_COLS ---------------------------*/ + dfield = dtuple_get_nth_field(entry, 2/*N_COLS*/); + +#if DICT_TF_COMPACT != 1 +#error +#endif + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, table->n_def + | ((table->flags & DICT_TF_COMPACT) << 31)); + dfield_set_data(dfield, ptr, 4); + /* 5: TYPE -----------------------------*/ + dfield = dtuple_get_nth_field(entry, 3/*TYPE*/); + + ptr = mem_heap_alloc(heap, 4); + if (table->flags & (~DICT_TF_COMPACT & ~(~0 << DICT_TF_BITS))) { + ut_a(table->flags & DICT_TF_COMPACT); + ut_a(dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); + ut_a((table->flags & DICT_TF_ZSSIZE_MASK) + <= (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT)); + ut_a(!(table->flags & (~0 << DICT_TF2_BITS))); + mach_write_to_4(ptr, table->flags & ~(~0 << DICT_TF_BITS)); + } else { + mach_write_to_4(ptr, DICT_TABLE_ORDINARY); + } + + dfield_set_data(dfield, ptr, 4); + /* 6: MIX_ID (obsolete) ---------------------------*/ + dfield = dtuple_get_nth_field(entry, 4/*MIX_ID*/); + + ptr = mem_heap_zalloc(heap, 8); + + dfield_set_data(dfield, ptr, 8); + /* 7: MIX_LEN (additional flags) --------------------------*/ + + dfield = dtuple_get_nth_field(entry, 5/*MIX_LEN*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, table->flags >> DICT_TF2_SHIFT); + + dfield_set_data(dfield, ptr, 4); + /* 8: CLUSTER_NAME ---------------------*/ + dfield = dtuple_get_nth_field(entry, 6/*CLUSTER_NAME*/); + dfield_set_null(dfield); /* not supported */ + + /* 9: SPACE ----------------------------*/ + dfield = dtuple_get_nth_field(entry, 7/*SPACE*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, table->space); + + dfield_set_data(dfield, ptr, 4); + /*----------------------------------*/ + + return(entry); +} + +/*****************************************************************//** +Based on a table object, this function builds the entry to be inserted +in the SYS_COLUMNS system table. +@return the tuple which should be inserted */ +static +dtuple_t* +dict_create_sys_columns_tuple( +/*==========================*/ + const dict_table_t* table, /*!< in: table */ + ulint i, /*!< in: column number */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ +{ + dict_table_t* sys_columns; + dtuple_t* entry; + const dict_col_t* column; + dfield_t* dfield; + byte* ptr; + const char* col_name; + + ut_ad(table); + ut_ad(heap); + + column = dict_table_get_nth_col(table, i); + + sys_columns = dict_sys->sys_columns; + + entry = dtuple_create(heap, 7 + DATA_N_SYS_COLS); + + dict_table_copy_types(entry, sys_columns); + + /* 0: TABLE_ID -----------------------*/ + dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); + + ptr = mem_heap_alloc(heap, 8); + mach_write_to_8(ptr, table->id); + + dfield_set_data(dfield, ptr, 8); + /* 1: POS ----------------------------*/ + dfield = dtuple_get_nth_field(entry, 1/*POS*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, i); + + dfield_set_data(dfield, ptr, 4); + /* 4: NAME ---------------------------*/ + dfield = dtuple_get_nth_field(entry, 2/*NAME*/); + + col_name = dict_table_get_col_name(table, i); + dfield_set_data(dfield, col_name, ut_strlen(col_name)); + /* 5: MTYPE --------------------------*/ + dfield = dtuple_get_nth_field(entry, 3/*MTYPE*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, column->mtype); + + dfield_set_data(dfield, ptr, 4); + /* 6: PRTYPE -------------------------*/ + dfield = dtuple_get_nth_field(entry, 4/*PRTYPE*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, column->prtype); + + dfield_set_data(dfield, ptr, 4); + /* 7: LEN ----------------------------*/ + dfield = dtuple_get_nth_field(entry, 5/*LEN*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, column->len); + + dfield_set_data(dfield, ptr, 4); + /* 8: PREC ---------------------------*/ + dfield = dtuple_get_nth_field(entry, 6/*PREC*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, 0/* unused */); + + dfield_set_data(dfield, ptr, 4); + /*---------------------------------*/ + + return(entry); +} + +/***************************************************************//** +Builds a table definition to insert. +@return DB_SUCCESS or error code */ +static +ulint +dict_build_table_def_step( +/*======================*/ + que_thr_t* thr, /*!< in: query thread */ + tab_node_t* node) /*!< in: table create node */ +{ + dict_table_t* table; + dtuple_t* row; + ulint error; + ulint flags; + const char* path_or_name; + ibool is_path; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + table = node->table; + + table->id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + + thr_get_trx(thr)->table_id = table->id; + + if (srv_file_per_table) { + /* We create a new single-table tablespace for the table. + We initially let it be 4 pages: + - page 0 is the fsp header and an extent descriptor page, + - page 1 is an ibuf bitmap page, + - page 2 is the first inode page, + - page 3 will contain the root of the clustered index of the + table we create here. */ + + ulint space = 0; /* reset to zero for the call below */ + + if (table->dir_path_of_temp_table) { + /* We place tables created with CREATE TEMPORARY + TABLE in the tmp dir of mysqld server */ + + path_or_name = table->dir_path_of_temp_table; + is_path = TRUE; + } else { + path_or_name = table->name; + is_path = FALSE; + } + + ut_ad(dict_table_get_format(table) <= DICT_TF_FORMAT_MAX); + ut_ad(!dict_table_zip_size(table) + || dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); + + flags = table->flags & ~(~0 << DICT_TF_BITS); + error = fil_create_new_single_table_tablespace( + &space, path_or_name, is_path, + flags == DICT_TF_COMPACT ? 0 : flags, + FIL_IBD_FILE_INITIAL_SIZE); + table->space = (unsigned int) space; + + if (error != DB_SUCCESS) { + + return(error); + } + + mtr_start(&mtr); + + fsp_header_init(table->space, FIL_IBD_FILE_INITIAL_SIZE, &mtr); + + mtr_commit(&mtr); + } else { + /* Create in the system tablespace: disallow new features */ + table->flags &= (~0 << DICT_TF_BITS) | DICT_TF_COMPACT; + } + + row = dict_create_sys_tables_tuple(table, node->heap); + + ins_node_set_new_row(node->tab_def, row); + + return(DB_SUCCESS); +} + +/***************************************************************//** +Builds a column definition to insert. +@return DB_SUCCESS */ +static +ulint +dict_build_col_def_step( +/*====================*/ + tab_node_t* node) /*!< in: table create node */ +{ + dtuple_t* row; + + row = dict_create_sys_columns_tuple(node->table, node->col_no, + node->heap); + ins_node_set_new_row(node->col_def, row); + + return(DB_SUCCESS); +} + +/*****************************************************************//** +Based on an index object, this function builds the entry to be inserted +in the SYS_INDEXES system table. +@return the tuple which should be inserted */ +static +dtuple_t* +dict_create_sys_indexes_tuple( +/*==========================*/ + const dict_index_t* index, /*!< in: index */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ +{ + dict_table_t* sys_indexes; + dict_table_t* table; + dtuple_t* entry; + dfield_t* dfield; + byte* ptr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(index); + ut_ad(heap); + + sys_indexes = dict_sys->sys_indexes; + + table = dict_table_get_low(index->table_name); + + entry = dtuple_create(heap, 7 + DATA_N_SYS_COLS); + + dict_table_copy_types(entry, sys_indexes); + + /* 0: TABLE_ID -----------------------*/ + dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); + + ptr = mem_heap_alloc(heap, 8); + mach_write_to_8(ptr, table->id); + + dfield_set_data(dfield, ptr, 8); + /* 1: ID ----------------------------*/ + dfield = dtuple_get_nth_field(entry, 1/*ID*/); + + ptr = mem_heap_alloc(heap, 8); + mach_write_to_8(ptr, index->id); + + dfield_set_data(dfield, ptr, 8); + /* 4: NAME --------------------------*/ + dfield = dtuple_get_nth_field(entry, 2/*NAME*/); + + dfield_set_data(dfield, index->name, ut_strlen(index->name)); + /* 5: N_FIELDS ----------------------*/ + dfield = dtuple_get_nth_field(entry, 3/*N_FIELDS*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, index->n_fields); + + dfield_set_data(dfield, ptr, 4); + /* 6: TYPE --------------------------*/ + dfield = dtuple_get_nth_field(entry, 4/*TYPE*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, index->type); + + dfield_set_data(dfield, ptr, 4); + /* 7: SPACE --------------------------*/ + +#if DICT_SYS_INDEXES_SPACE_NO_FIELD != 7 +#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 7" +#endif + + dfield = dtuple_get_nth_field(entry, 5/*SPACE*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, index->space); + + dfield_set_data(dfield, ptr, 4); + /* 8: PAGE_NO --------------------------*/ + +#if DICT_SYS_INDEXES_PAGE_NO_FIELD != 8 +#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 8" +#endif + + dfield = dtuple_get_nth_field(entry, 6/*PAGE_NO*/); + + ptr = mem_heap_alloc(heap, 4); + mach_write_to_4(ptr, FIL_NULL); + + dfield_set_data(dfield, ptr, 4); + /*--------------------------------*/ + + return(entry); +} + +/*****************************************************************//** +Based on an index object, this function builds the entry to be inserted +in the SYS_FIELDS system table. +@return the tuple which should be inserted */ +static +dtuple_t* +dict_create_sys_fields_tuple( +/*=========================*/ + const dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: field number */ + mem_heap_t* heap) /*!< in: memory heap from + which the memory for the built + tuple is allocated */ +{ + dict_table_t* sys_fields; + dtuple_t* entry; + dict_field_t* field; + dfield_t* dfield; + byte* ptr; + ibool index_contains_column_prefix_field = FALSE; + ulint j; + + ut_ad(index); + ut_ad(heap); + + for (j = 0; j < index->n_fields; j++) { + if (dict_index_get_nth_field(index, j)->prefix_len > 0) { + index_contains_column_prefix_field = TRUE; + break; + } + } + + field = dict_index_get_nth_field(index, i); + + sys_fields = dict_sys->sys_fields; + + entry = dtuple_create(heap, 3 + DATA_N_SYS_COLS); + + dict_table_copy_types(entry, sys_fields); + + /* 0: INDEX_ID -----------------------*/ + dfield = dtuple_get_nth_field(entry, 0/*INDEX_ID*/); + + ptr = mem_heap_alloc(heap, 8); + mach_write_to_8(ptr, index->id); + + dfield_set_data(dfield, ptr, 8); + /* 1: POS + PREFIX LENGTH ----------------------------*/ + + dfield = dtuple_get_nth_field(entry, 1/*POS*/); + + ptr = mem_heap_alloc(heap, 4); + + if (index_contains_column_prefix_field) { + /* If there are column prefix fields in the index, then + we store the number of the field to the 2 HIGH bytes + and the prefix length to the 2 low bytes, */ + + mach_write_to_4(ptr, (i << 16) + field->prefix_len); + } else { + /* Else we store the number of the field to the 2 LOW bytes. + This is to keep the storage format compatible with + InnoDB versions < 4.0.14. */ + + mach_write_to_4(ptr, i); + } + + dfield_set_data(dfield, ptr, 4); + /* 4: COL_NAME -------------------------*/ + dfield = dtuple_get_nth_field(entry, 2/*COL_NAME*/); + + dfield_set_data(dfield, field->name, + ut_strlen(field->name)); + /*---------------------------------*/ + + return(entry); +} + +/*****************************************************************//** +Creates the tuple with which the index entry is searched for writing the index +tree root page number, if such a tree is created. +@return the tuple for search */ +static +dtuple_t* +dict_create_search_tuple( +/*=====================*/ + const dtuple_t* tuple, /*!< in: the tuple inserted in the SYS_INDEXES + table */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for + the built tuple is allocated */ +{ + dtuple_t* search_tuple; + const dfield_t* field1; + dfield_t* field2; + + ut_ad(tuple && heap); + + search_tuple = dtuple_create(heap, 2); + + field1 = dtuple_get_nth_field(tuple, 0); + field2 = dtuple_get_nth_field(search_tuple, 0); + + dfield_copy(field2, field1); + + field1 = dtuple_get_nth_field(tuple, 1); + field2 = dtuple_get_nth_field(search_tuple, 1); + + dfield_copy(field2, field1); + + ut_ad(dtuple_validate(search_tuple)); + + return(search_tuple); +} + +/***************************************************************//** +Builds an index definition row to insert. +@return DB_SUCCESS or error code */ +static +ulint +dict_build_index_def_step( +/*======================*/ + que_thr_t* thr, /*!< in: query thread */ + ind_node_t* node) /*!< in: index create node */ +{ + dict_table_t* table; + dict_index_t* index; + dtuple_t* row; + trx_t* trx; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + trx = thr_get_trx(thr); + + index = node->index; + + table = dict_table_get_low(index->table_name); + + if (table == NULL) { + return(DB_TABLE_NOT_FOUND); + } + + trx->table_id = table->id; + + node->table = table; + + ut_ad((UT_LIST_GET_LEN(table->indexes) > 0) + || dict_index_is_clust(index)); + + index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); + + /* Inherit the space id from the table; we store all indexes of a + table in the same tablespace */ + + index->space = table->space; + node->page_no = FIL_NULL; + row = dict_create_sys_indexes_tuple(index, node->heap); + node->ind_row = row; + + ins_node_set_new_row(node->ind_def, row); + + /* Note that the index was created by this transaction. */ + index->trx_id = (ib_uint64_t) ut_conv_dulint_to_longlong(trx->id); + + return(DB_SUCCESS); +} + +/***************************************************************//** +Builds a field definition row to insert. +@return DB_SUCCESS */ +static +ulint +dict_build_field_def_step( +/*======================*/ + ind_node_t* node) /*!< in: index create node */ +{ + dict_index_t* index; + dtuple_t* row; + + index = node->index; + + row = dict_create_sys_fields_tuple(index, node->field_no, node->heap); + + ins_node_set_new_row(node->field_def, row); + + return(DB_SUCCESS); +} + +/***************************************************************//** +Creates an index tree for the index if it is not a member of a cluster. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +dict_create_index_tree_step( +/*========================*/ + ind_node_t* node) /*!< in: index create node */ +{ + dict_index_t* index; + dict_table_t* sys_indexes; + dict_table_t* table; + dtuple_t* search_tuple; + ulint zip_size; + btr_pcur_t pcur; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + index = node->index; + table = node->table; + + sys_indexes = dict_sys->sys_indexes; + + /* Run a mini-transaction in which the index tree is allocated for + the index and its root address is written to the index entry in + sys_indexes */ + + mtr_start(&mtr); + + search_tuple = dict_create_search_tuple(node->ind_row, node->heap); + + btr_pcur_open(UT_LIST_GET_FIRST(sys_indexes->indexes), + search_tuple, PAGE_CUR_L, BTR_MODIFY_LEAF, + &pcur, &mtr); + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + zip_size = dict_table_zip_size(index->table); + + node->page_no = btr_create(index->type, index->space, zip_size, + index->id, index, &mtr); + /* printf("Created a new index tree in space %lu root page %lu\n", + index->space, index->page_no); */ + + page_rec_write_index_page_no(btr_pcur_get_rec(&pcur), + DICT_SYS_INDEXES_PAGE_NO_FIELD, + node->page_no, &mtr); + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + if (node->page_no == FIL_NULL) { + + return(DB_OUT_OF_FILE_SPACE); + } + + return(DB_SUCCESS); +} + +/*******************************************************************//** +Drops the index tree associated with a row in SYS_INDEXES table. */ +UNIV_INTERN +void +dict_drop_index_tree( +/*=================*/ + rec_t* rec, /*!< in/out: record in the clustered index + of SYS_INDEXES table */ + mtr_t* mtr) /*!< in: mtr having the latch on the record page */ +{ + ulint root_page_no; + ulint space; + ulint zip_size; + const byte* ptr; + ulint len; + + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_a(!dict_table_is_comp(dict_sys->sys_indexes)); + ptr = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, &len); + + ut_ad(len == 4); + + root_page_no = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); + + if (root_page_no == FIL_NULL) { + /* The tree has already been freed */ + + return; + } + + ptr = rec_get_nth_field_old(rec, + DICT_SYS_INDEXES_SPACE_NO_FIELD, &len); + + ut_ad(len == 4); + + space = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); + zip_size = fil_space_get_zip_size(space); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* It is a single table tablespace and the .ibd file is + missing: do nothing */ + + return; + } + + /* We free all the pages but the root page first; this operation + may span several mini-transactions */ + + btr_free_but_not_root(space, zip_size, root_page_no); + + /* Then we free the root page in the same mini-transaction where + we write FIL_NULL to the appropriate field in the SYS_INDEXES + record: this mini-transaction marks the B-tree totally freed */ + + /* printf("Dropping index tree in space %lu root page %lu\n", space, + root_page_no); */ + btr_free_root(space, zip_size, root_page_no, mtr); + + page_rec_write_index_page_no(rec, + DICT_SYS_INDEXES_PAGE_NO_FIELD, + FIL_NULL, mtr); +} + +/*******************************************************************//** +Truncates the index tree associated with a row in SYS_INDEXES table. +@return new root page number, or FIL_NULL on failure */ +UNIV_INTERN +ulint +dict_truncate_index_tree( +/*=====================*/ + dict_table_t* table, /*!< in: the table the index belongs to */ + ulint space, /*!< in: 0=truncate, + nonzero=create the index tree in the + given tablespace */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to + record in the clustered index of + SYS_INDEXES table. The cursor may be + repositioned in this call. */ + mtr_t* mtr) /*!< in: mtr having the latch + on the record page. The mtr may be + committed and restarted in this call. */ +{ + ulint root_page_no; + ibool drop = !space; + ulint zip_size; + ulint type; + dulint index_id; + rec_t* rec; + const byte* ptr; + ulint len; + dict_index_t* index; + + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_a(!dict_table_is_comp(dict_sys->sys_indexes)); + rec = btr_pcur_get_rec(pcur); + ptr = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, &len); + + ut_ad(len == 4); + + root_page_no = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); + + if (drop && root_page_no == FIL_NULL) { + /* The tree has been freed. */ + + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Trying to TRUNCATE" + " a missing index of table %s!\n", table->name); + drop = FALSE; + } + + ptr = rec_get_nth_field_old(rec, + DICT_SYS_INDEXES_SPACE_NO_FIELD, &len); + + ut_ad(len == 4); + + if (drop) { + space = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); + } + + zip_size = fil_space_get_zip_size(space); + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + /* It is a single table tablespace and the .ibd file is + missing: do nothing */ + + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Trying to TRUNCATE" + " a missing .ibd file of table %s!\n", table->name); + return(FIL_NULL); + } + + ptr = rec_get_nth_field_old(rec, + DICT_SYS_INDEXES_TYPE_FIELD, &len); + ut_ad(len == 4); + type = mach_read_from_4(ptr); + + ptr = rec_get_nth_field_old(rec, 1, &len); + ut_ad(len == 8); + index_id = mach_read_from_8(ptr); + + if (!drop) { + + goto create; + } + + /* We free all the pages but the root page first; this operation + may span several mini-transactions */ + + btr_free_but_not_root(space, zip_size, root_page_no); + + /* Then we free the root page in the same mini-transaction where + we create the b-tree and write its new root page number to the + appropriate field in the SYS_INDEXES record: this mini-transaction + marks the B-tree totally truncated */ + + btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); + + btr_free_root(space, zip_size, root_page_no, mtr); +create: + /* We will temporarily write FIL_NULL to the PAGE_NO field + in SYS_INDEXES, so that the database will not get into an + inconsistent state in case it crashes between the mtr_commit() + below and the following mtr_commit() call. */ + page_rec_write_index_page_no(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, + FIL_NULL, mtr); + + /* We will need to commit the mini-transaction in order to avoid + deadlocks in the btr_create() call, because otherwise we would + be freeing and allocating pages in the same mini-transaction. */ + btr_pcur_store_position(pcur, mtr); + mtr_commit(mtr); + + mtr_start(mtr); + btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, mtr); + + /* Find the index corresponding to this SYS_INDEXES record. */ + for (index = UT_LIST_GET_FIRST(table->indexes); + index; + index = UT_LIST_GET_NEXT(indexes, index)) { + if (!ut_dulint_cmp(index->id, index_id)) { + root_page_no = btr_create(type, space, zip_size, + index_id, index, mtr); + index->page = (unsigned int) root_page_no; + return(root_page_no); + } + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Index %lu %lu of table %s is missing\n" + "InnoDB: from the data dictionary during TRUNCATE!\n", + ut_dulint_get_high(index_id), + ut_dulint_get_low(index_id), + table->name); + + return(FIL_NULL); +} + +/*********************************************************************//** +Creates a table create graph. +@return own: table create node */ +UNIV_INTERN +tab_node_t* +tab_create_graph_create( +/*====================*/ + dict_table_t* table, /*!< in: table to create, built as a memory data + structure */ + mem_heap_t* heap) /*!< in: heap where created */ +{ + tab_node_t* node; + + node = mem_heap_alloc(heap, sizeof(tab_node_t)); + + node->common.type = QUE_NODE_CREATE_TABLE; + + node->table = table; + + node->state = TABLE_BUILD_TABLE_DEF; + node->heap = mem_heap_create(256); + + node->tab_def = ins_node_create(INS_DIRECT, dict_sys->sys_tables, + heap); + node->tab_def->common.parent = node; + + node->col_def = ins_node_create(INS_DIRECT, dict_sys->sys_columns, + heap); + node->col_def->common.parent = node; + + node->commit_node = commit_node_create(heap); + node->commit_node->common.parent = node; + + return(node); +} + +/*********************************************************************//** +Creates an index create graph. +@return own: index create node */ +UNIV_INTERN +ind_node_t* +ind_create_graph_create( +/*====================*/ + dict_index_t* index, /*!< in: index to create, built as a memory data + structure */ + mem_heap_t* heap) /*!< in: heap where created */ +{ + ind_node_t* node; + + node = mem_heap_alloc(heap, sizeof(ind_node_t)); + + node->common.type = QUE_NODE_CREATE_INDEX; + + node->index = index; + + node->state = INDEX_BUILD_INDEX_DEF; + node->page_no = FIL_NULL; + node->heap = mem_heap_create(256); + + node->ind_def = ins_node_create(INS_DIRECT, + dict_sys->sys_indexes, heap); + node->ind_def->common.parent = node; + + node->field_def = ins_node_create(INS_DIRECT, + dict_sys->sys_fields, heap); + node->field_def->common.parent = node; + + node->commit_node = commit_node_create(heap); + node->commit_node->common.parent = node; + + return(node); +} + +/***********************************************************//** +Creates a table. This is a high-level function used in SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +dict_create_table_step( +/*===================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + tab_node_t* node; + ulint err = DB_ERROR; + trx_t* trx; + + ut_ad(thr); + ut_ad(mutex_own(&(dict_sys->mutex))); + + trx = thr_get_trx(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_CREATE_TABLE); + + if (thr->prev_node == que_node_get_parent(node)) { + node->state = TABLE_BUILD_TABLE_DEF; + } + + if (node->state == TABLE_BUILD_TABLE_DEF) { + + /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ + + err = dict_build_table_def_step(thr, node); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->state = TABLE_BUILD_COL_DEF; + node->col_no = 0; + + thr->run_node = node->tab_def; + + return(thr); + } + + if (node->state == TABLE_BUILD_COL_DEF) { + + if (node->col_no < (node->table)->n_def) { + + err = dict_build_col_def_step(node); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->col_no++; + + thr->run_node = node->col_def; + + return(thr); + } else { + node->state = TABLE_COMMIT_WORK; + } + } + + if (node->state == TABLE_COMMIT_WORK) { + + /* Table was correctly defined: do NOT commit the transaction + (CREATE TABLE does NOT do an implicit commit of the current + transaction) */ + + node->state = TABLE_ADD_TO_CACHE; + + /* thr->run_node = node->commit_node; + + return(thr); */ + } + + if (node->state == TABLE_ADD_TO_CACHE) { + + dict_table_add_to_cache(node->table, node->heap); + + err = DB_SUCCESS; + } + +function_exit: + trx->error_state = err; + + if (err == DB_SUCCESS) { + /* Ok: do nothing */ + + } else if (err == DB_LOCK_WAIT) { + + return(NULL); + } else { + /* SQL error detected */ + + return(NULL); + } + + thr->run_node = que_node_get_parent(node); + + return(thr); +} + +/***********************************************************//** +Creates an index. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +dict_create_index_step( +/*===================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ind_node_t* node; + ulint err = DB_ERROR; + trx_t* trx; + + ut_ad(thr); + ut_ad(mutex_own(&(dict_sys->mutex))); + + trx = thr_get_trx(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_CREATE_INDEX); + + if (thr->prev_node == que_node_get_parent(node)) { + node->state = INDEX_BUILD_INDEX_DEF; + } + + if (node->state == INDEX_BUILD_INDEX_DEF) { + /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ + err = dict_build_index_def_step(thr, node); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->state = INDEX_BUILD_FIELD_DEF; + node->field_no = 0; + + thr->run_node = node->ind_def; + + return(thr); + } + + if (node->state == INDEX_BUILD_FIELD_DEF) { + + if (node->field_no < (node->index)->n_fields) { + + err = dict_build_field_def_step(node); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->field_no++; + + thr->run_node = node->field_def; + + return(thr); + } else { + node->state = INDEX_ADD_TO_CACHE; + } + } + + if (node->state == INDEX_ADD_TO_CACHE) { + + dulint index_id = node->index->id; + + err = dict_index_add_to_cache(node->table, node->index, + FIL_NULL, TRUE); + + node->index = dict_index_get_if_in_cache_low(index_id); + ut_a(!node->index == (err != DB_SUCCESS)); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->state = INDEX_CREATE_INDEX_TREE; + } + + if (node->state == INDEX_CREATE_INDEX_TREE) { + + err = dict_create_index_tree_step(node); + + if (err != DB_SUCCESS) { + dict_index_remove_from_cache(node->table, node->index); + node->index = NULL; + + goto function_exit; + } + + node->index->page = node->page_no; + node->state = INDEX_COMMIT_WORK; + } + + if (node->state == INDEX_COMMIT_WORK) { + + /* Index was correctly defined: do NOT commit the transaction + (CREATE INDEX does NOT currently do an implicit commit of + the current transaction) */ + + node->state = INDEX_CREATE_INDEX_TREE; + + /* thr->run_node = node->commit_node; + + return(thr); */ + } + +function_exit: + trx->error_state = err; + + if (err == DB_SUCCESS) { + /* Ok: do nothing */ + + } else if (err == DB_LOCK_WAIT) { + + return(NULL); + } else { + /* SQL error detected */ + + return(NULL); + } + + thr->run_node = que_node_get_parent(node); + + return(thr); +} + +/****************************************************************//** +Creates the foreign key constraints system tables inside InnoDB +at database creation or database start if they are not found or are +not of the right form. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_create_or_check_foreign_constraint_tables(void) +/*================================================*/ +{ + dict_table_t* table1; + dict_table_t* table2; + ulint error; + trx_t* trx; + + mutex_enter(&(dict_sys->mutex)); + + table1 = dict_table_get_low("SYS_FOREIGN"); + table2 = dict_table_get_low("SYS_FOREIGN_COLS"); + + if (table1 && table2 + && UT_LIST_GET_LEN(table1->indexes) == 3 + && UT_LIST_GET_LEN(table2->indexes) == 1) { + + /* Foreign constraint system tables have already been + created, and they are ok */ + + mutex_exit(&(dict_sys->mutex)); + + return(DB_SUCCESS); + } + + mutex_exit(&(dict_sys->mutex)); + + trx = trx_allocate_for_mysql(); + + trx->op_info = "creating foreign key sys tables"; + + row_mysql_lock_data_dictionary(trx); + + if (table1) { + fprintf(stderr, + "InnoDB: dropping incompletely created" + " SYS_FOREIGN table\n"); + row_drop_table_for_mysql("SYS_FOREIGN", trx, TRUE); + } + + if (table2) { + fprintf(stderr, + "InnoDB: dropping incompletely created" + " SYS_FOREIGN_COLS table\n"); + row_drop_table_for_mysql("SYS_FOREIGN_COLS", trx, TRUE); + } + + fprintf(stderr, + "InnoDB: Creating foreign key constraint system tables\n"); + + /* NOTE: in dict_load_foreigns we use the fact that + there are 2 secondary indexes on SYS_FOREIGN, and they + are defined just like below */ + + /* NOTE: when designing InnoDB's foreign key support in 2001, we made + an error and made the table names and the foreign key id of type + 'CHAR' (internally, really a VARCHAR). We should have made the type + VARBINARY, like in other InnoDB system tables, to get a clean + design. */ + + error = que_eval_sql(NULL, + "PROCEDURE CREATE_FOREIGN_SYS_TABLES_PROC () IS\n" + "BEGIN\n" + "CREATE TABLE\n" + "SYS_FOREIGN(ID CHAR, FOR_NAME CHAR," + " REF_NAME CHAR, N_COLS INT);\n" + "CREATE UNIQUE CLUSTERED INDEX ID_IND" + " ON SYS_FOREIGN (ID);\n" + "CREATE INDEX FOR_IND" + " ON SYS_FOREIGN (FOR_NAME);\n" + "CREATE INDEX REF_IND" + " ON SYS_FOREIGN (REF_NAME);\n" + "CREATE TABLE\n" + "SYS_FOREIGN_COLS(ID CHAR, POS INT," + " FOR_COL_NAME CHAR, REF_COL_NAME CHAR);\n" + "CREATE UNIQUE CLUSTERED INDEX ID_IND" + " ON SYS_FOREIGN_COLS (ID, POS);\n" + "END;\n" + , FALSE, trx); + + if (error != DB_SUCCESS) { + fprintf(stderr, "InnoDB: error %lu in creation\n", + (ulong) error); + + ut_a(error == DB_OUT_OF_FILE_SPACE + || error == DB_TOO_MANY_CONCURRENT_TRXS); + + fprintf(stderr, + "InnoDB: creation failed\n" + "InnoDB: tablespace is full\n" + "InnoDB: dropping incompletely created" + " SYS_FOREIGN tables\n"); + + row_drop_table_for_mysql("SYS_FOREIGN", trx, TRUE); + row_drop_table_for_mysql("SYS_FOREIGN_COLS", trx, TRUE); + + error = DB_MUST_GET_MORE_FILE_SPACE; + } + + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + + trx_free_for_mysql(trx); + + if (error == DB_SUCCESS) { + fprintf(stderr, + "InnoDB: Foreign key constraint system tables" + " created\n"); + } + + return(error); +} + +/****************************************************************//** +Evaluate the given foreign key SQL statement. +@return error code or DB_SUCCESS */ +static +ulint +dict_foreign_eval_sql( +/*==================*/ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string to evaluate */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign,/*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ +{ + ulint error; + FILE* ef = dict_foreign_err_file; + + error = que_eval_sql(info, sql, FALSE, trx); + + if (error == DB_DUPLICATE_KEY) { + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Error in foreign key constraint creation for table ", + ef); + ut_print_name(ef, trx, TRUE, table->name); + fputs(".\nA foreign key constraint of name ", ef); + ut_print_name(ef, trx, TRUE, foreign->id); + fputs("\nalready exists." + " (Note that internally InnoDB adds 'databasename'\n" + "in front of the user-defined constraint name.)\n" + "Note that InnoDB's FOREIGN KEY system tables store\n" + "constraint names as case-insensitive, with the\n" + "MySQL standard latin1_swedish_ci collation. If you\n" + "create tables or databases whose names differ only in\n" + "the character case, then collisions in constraint\n" + "names can occur. Workaround: name your constraints\n" + "explicitly with unique names.\n", + ef); + + mutex_exit(&dict_foreign_err_mutex); + + return(error); + } + + if (error != DB_SUCCESS) { + fprintf(stderr, + "InnoDB: Foreign key constraint creation failed:\n" + "InnoDB: internal error number %lu\n", (ulong) error); + + mutex_enter(&dict_foreign_err_mutex); + ut_print_timestamp(ef); + fputs(" Internal error in foreign key constraint creation" + " for table ", ef); + ut_print_name(ef, trx, TRUE, table->name); + fputs(".\n" + "See the MySQL .err log in the datadir" + " for more information.\n", ef); + mutex_exit(&dict_foreign_err_mutex); + + return(error); + } + + return(DB_SUCCESS); +} + +/********************************************************************//** +Add a single foreign key field definition to the data dictionary tables in +the database. +@return error code or DB_SUCCESS */ +static +ulint +dict_create_add_foreign_field_to_dictionary( +/*========================================*/ + ulint field_nr, /*!< in: foreign field number */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign, /*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ +{ + pars_info_t* info = pars_info_create(); + + pars_info_add_str_literal(info, "id", foreign->id); + + pars_info_add_int4_literal(info, "pos", field_nr); + + pars_info_add_str_literal(info, "for_col_name", + foreign->foreign_col_names[field_nr]); + + pars_info_add_str_literal(info, "ref_col_name", + foreign->referenced_col_names[field_nr]); + + return(dict_foreign_eval_sql( + info, + "PROCEDURE P () IS\n" + "BEGIN\n" + "INSERT INTO SYS_FOREIGN_COLS VALUES" + "(:id, :pos, :for_col_name, :ref_col_name);\n" + "END;\n", + table, foreign, trx)); +} + +/********************************************************************//** +Add a single foreign key definition to the data dictionary tables in the +database. We also generate names to constraints that were not named by the +user. A generated constraint has a name of the format +databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and +are given locally for this table, that is, the number is not global, as in +the old format constraints < 4.0.18 it used to be. +@return error code or DB_SUCCESS */ +static +ulint +dict_create_add_foreign_to_dictionary( +/*==================================*/ + ulint* id_nr, /*!< in/out: number to use in id generation; + incremented if used */ + dict_table_t* table, /*!< in: table */ + dict_foreign_t* foreign,/*!< in: foreign */ + trx_t* trx) /*!< in: transaction */ +{ + ulint error; + ulint i; + + pars_info_t* info = pars_info_create(); + + if (foreign->id == NULL) { + /* Generate a new constraint id */ + ulint namelen = strlen(table->name); + char* id = mem_heap_alloc(foreign->heap, namelen + 20); + /* no overflow if number < 1e13 */ + sprintf(id, "%s_ibfk_%lu", table->name, (ulong) (*id_nr)++); + foreign->id = id; + } + + pars_info_add_str_literal(info, "id", foreign->id); + + pars_info_add_str_literal(info, "for_name", table->name); + + pars_info_add_str_literal(info, "ref_name", + foreign->referenced_table_name); + + pars_info_add_int4_literal(info, "n_cols", + foreign->n_fields + (foreign->type << 24)); + + error = dict_foreign_eval_sql(info, + "PROCEDURE P () IS\n" + "BEGIN\n" + "INSERT INTO SYS_FOREIGN VALUES" + "(:id, :for_name, :ref_name, :n_cols);\n" + "END;\n" + , table, foreign, trx); + + if (error != DB_SUCCESS) { + + return(error); + } + + for (i = 0; i < foreign->n_fields; i++) { + error = dict_create_add_foreign_field_to_dictionary( + i, table, foreign, trx); + + if (error != DB_SUCCESS) { + + return(error); + } + } + + error = dict_foreign_eval_sql(NULL, + "PROCEDURE P () IS\n" + "BEGIN\n" + "COMMIT WORK;\n" + "END;\n" + , table, foreign, trx); + + return(error); +} + +/********************************************************************//** +Adds foreign key definitions to data dictionary tables in the database. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +dict_create_add_foreigns_to_dictionary( +/*===================================*/ + ulint start_id,/*!< in: if we are actually doing ALTER TABLE + ADD CONSTRAINT, we want to generate constraint + numbers which are bigger than in the table so + far; we number the constraints from + start_id + 1 up; start_id should be set to 0 if + we are creating a new table, or if the table + so far has no constraints for which the name + was generated here */ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction */ +{ + dict_foreign_t* foreign; + ulint number = start_id + 1; + ulint error; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + if (NULL == dict_table_get_low("SYS_FOREIGN")) { + fprintf(stderr, + "InnoDB: table SYS_FOREIGN not found" + " in internal data dictionary\n"); + + return(DB_ERROR); + } + + for (foreign = UT_LIST_GET_FIRST(table->foreign_list); + foreign; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { + + error = dict_create_add_foreign_to_dictionary(&number, table, + foreign, trx); + + if (error != DB_SUCCESS) { + + return(error); + } + } + + return(DB_SUCCESS); +} diff --git a/perfschema/dict/dict0dict.c b/perfschema/dict/dict0dict.c new file mode 100644 index 00000000000..8a03151d062 --- /dev/null +++ b/perfschema/dict/dict0dict.c @@ -0,0 +1,4854 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file dict/dict0dict.c +Data dictionary system + +Created 1/8/1996 Heikki Tuuri +***********************************************************************/ + +#include "dict0dict.h" + +#ifdef UNIV_NONINL +#include "dict0dict.ic" +#endif + +/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +UNIV_INTERN dict_index_t* dict_ind_redundant; +/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +UNIV_INTERN dict_index_t* dict_ind_compact; + +#ifndef UNIV_HOTBACKUP +#include "buf0buf.h" +#include "data0type.h" +#include "mach0data.h" +#include "dict0boot.h" +#include "dict0mem.h" +#include "dict0crea.h" +#include "trx0undo.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "btr0sea.h" +#include "page0zip.h" +#include "page0page.h" +#include "pars0pars.h" +#include "pars0sym.h" +#include "que0que.h" +#include "rem0cmp.h" +#include "row0merge.h" +#include "m_ctype.h" /* my_isspace() */ +#include "ha_prototypes.h" /* innobase_strcasecmp() */ + +#include + +/** the dictionary system */ +UNIV_INTERN dict_sys_t* dict_sys = NULL; + +/** @brief the data dictionary rw-latch protecting dict_sys + +table create, drop, etc. reserve this in X-mode; implicit or +backround operations purge, rollback, foreign key checks reserve this +in S-mode; we cannot trust that MySQL protects implicit or background +operations a table drop since MySQL does not know of them; therefore +we need this; NOTE: a transaction which reserves this must keep book +on the mode in trx_struct::dict_operation_lock_mode */ +UNIV_INTERN rw_lock_t dict_operation_lock; + +#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when + creating a table or index object */ +#define DICT_POOL_PER_TABLE_HASH 512 /*!< buffer pool max size per table + hash table fixed size in bytes */ +#define DICT_POOL_PER_VARYING 4 /*!< buffer pool max size per data + dictionary varying size in bytes */ + +/** Identifies generated InnoDB foreign key names */ +static char dict_ibfk[] = "_ibfk_"; + +/*******************************************************************//** +Tries to find column names for the index and sets the col field of the +index. +@return TRUE if the column names were found */ +static +ibool +dict_index_find_cols( +/*=================*/ + dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: index */ +/*******************************************************************//** +Builds the internal dictionary cache representation for a clustered +index, containing also system fields not defined by the user. +@return own: the internal representation of the clustered index */ +static +dict_index_t* +dict_index_build_internal_clust( +/*============================*/ + const dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: user representation of + a clustered index */ +/*******************************************************************//** +Builds the internal dictionary cache representation for a non-clustered +index, containing also system fields not defined by the user. +@return own: the internal representation of the non-clustered index */ +static +dict_index_t* +dict_index_build_internal_non_clust( +/*================================*/ + const dict_table_t* table, /*!< in: table */ + dict_index_t* index); /*!< in: user representation of + a non-clustered index */ +/**********************************************************************//** +Removes a foreign constraint struct from the dictionary cache. */ +static +void +dict_foreign_remove_from_cache( +/*===========================*/ + dict_foreign_t* foreign); /*!< in, own: foreign constraint */ +/**********************************************************************//** +Prints a column data. */ +static +void +dict_col_print_low( +/*===============*/ + const dict_table_t* table, /*!< in: table */ + const dict_col_t* col); /*!< in: column */ +/**********************************************************************//** +Prints an index data. */ +static +void +dict_index_print_low( +/*=================*/ + dict_index_t* index); /*!< in: index */ +/**********************************************************************//** +Prints a field data. */ +static +void +dict_field_print_low( +/*=================*/ + const dict_field_t* field); /*!< in: field */ +/*********************************************************************//** +Frees a foreign key struct. */ +static +void +dict_foreign_free( +/*==============*/ + dict_foreign_t* foreign); /*!< in, own: foreign key struct */ + +/* Stream for storing detailed information about the latest foreign key +and unique key errors */ +UNIV_INTERN FILE* dict_foreign_err_file = NULL; +/* mutex protecting the foreign and unique error buffers */ +UNIV_INTERN mutex_t dict_foreign_err_mutex; + +/******************************************************************//** +Makes all characters in a NUL-terminated UTF-8 string lower case. */ +UNIV_INTERN +void +dict_casedn_str( +/*============*/ + char* a) /*!< in/out: string to put in lower case */ +{ + innobase_casedn_str(a); +} + +/********************************************************************//** +Checks if the database name in two table names is the same. +@return TRUE if same db name */ +UNIV_INTERN +ibool +dict_tables_have_same_db( +/*=====================*/ + const char* name1, /*!< in: table name in the form + dbname '/' tablename */ + const char* name2) /*!< in: table name in the form + dbname '/' tablename */ +{ + for (; *name1 == *name2; name1++, name2++) { + if (*name1 == '/') { + return(TRUE); + } + ut_a(*name1); /* the names must contain '/' */ + } + return(FALSE); +} + +/********************************************************************//** +Return the end of table name where we have removed dbname and '/'. +@return table name */ +UNIV_INTERN +const char* +dict_remove_db_name( +/*================*/ + const char* name) /*!< in: table name in the form + dbname '/' tablename */ +{ + const char* s = strchr(name, '/'); + ut_a(s); + + return(s + 1); +} + +/********************************************************************//** +Get the database name length in a table name. +@return database name length */ +UNIV_INTERN +ulint +dict_get_db_name_len( +/*=================*/ + const char* name) /*!< in: table name in the form + dbname '/' tablename */ +{ + const char* s; + s = strchr(name, '/'); + ut_a(s); + return(s - name); +} + +/********************************************************************//** +Reserves the dictionary system mutex for MySQL. */ +UNIV_INTERN +void +dict_mutex_enter_for_mysql(void) +/*============================*/ +{ + mutex_enter(&(dict_sys->mutex)); +} + +/********************************************************************//** +Releases the dictionary system mutex for MySQL. */ +UNIV_INTERN +void +dict_mutex_exit_for_mysql(void) +/*===========================*/ +{ + mutex_exit(&(dict_sys->mutex)); +} + +/********************************************************************//** +Decrements the count of open MySQL handles to a table. */ +UNIV_INTERN +void +dict_table_decrement_handle_count( +/*==============================*/ + dict_table_t* table, /*!< in/out: table */ + ibool dict_locked) /*!< in: TRUE=data dictionary locked */ +{ + if (!dict_locked) { + mutex_enter(&dict_sys->mutex); + } + + ut_ad(mutex_own(&dict_sys->mutex)); + ut_a(table->n_mysql_handles_opened > 0); + + table->n_mysql_handles_opened--; + + if (!dict_locked) { + mutex_exit(&dict_sys->mutex); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Returns a column's name. +@return column name. NOTE: not guaranteed to stay valid if table is +modified in any way (columns added, etc.). */ +UNIV_INTERN +const char* +dict_table_get_col_name( +/*====================*/ + const dict_table_t* table, /*!< in: table */ + ulint col_nr) /*!< in: column number */ +{ + ulint i; + const char* s; + + ut_ad(table); + ut_ad(col_nr < table->n_def); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + s = table->col_names; + if (s) { + for (i = 0; i < col_nr; i++) { + s += strlen(s) + 1; + } + } + + return(s); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Acquire the autoinc lock. */ +UNIV_INTERN +void +dict_table_autoinc_lock( +/*====================*/ + dict_table_t* table) /*!< in/out: table */ +{ + mutex_enter(&table->autoinc_mutex); +} + +/********************************************************************//** +Unconditionally set the autoinc counter. */ +UNIV_INTERN +void +dict_table_autoinc_initialize( +/*==========================*/ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value) /*!< in: next value to assign to a row */ +{ + ut_ad(mutex_own(&table->autoinc_mutex)); + + table->autoinc = value; +} + +/********************************************************************//** +Reads the next autoinc value (== autoinc counter value), 0 if not yet +initialized. +@return value for a new row, or 0 */ +UNIV_INTERN +ib_uint64_t +dict_table_autoinc_read( +/*====================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(mutex_own(&table->autoinc_mutex)); + + return(table->autoinc); +} + +/********************************************************************//** +Updates the autoinc counter if the value supplied is greater than the +current value. */ +UNIV_INTERN +void +dict_table_autoinc_update_if_greater( +/*=================================*/ + + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value) /*!< in: value which was assigned to a row */ +{ + ut_ad(mutex_own(&table->autoinc_mutex)); + + if (value > table->autoinc) { + + table->autoinc = value; + } +} + +/********************************************************************//** +Release the autoinc lock. */ +UNIV_INTERN +void +dict_table_autoinc_unlock( +/*======================*/ + dict_table_t* table) /*!< in/out: table */ +{ + mutex_exit(&table->autoinc_mutex); +} + +/**********************************************************************//** +Looks for an index with the given table and index id. +NOTE that we do not reserve the dictionary mutex. +@return index or NULL if not found from cache */ +UNIV_INTERN +dict_index_t* +dict_index_get_on_id_low( +/*=====================*/ + dict_table_t* table, /*!< in: table */ + dulint id) /*!< in: index id */ +{ + dict_index_t* index; + + index = dict_table_get_first_index(table); + + while (index) { + if (0 == ut_dulint_cmp(id, index->id)) { + /* Found */ + + return(index); + } + + index = dict_table_get_next_index(index); + } + + return(NULL); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Looks for column n in an index. +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ +UNIV_INTERN +ulint +dict_index_get_nth_col_pos( +/*=======================*/ + const dict_index_t* index, /*!< in: index */ + ulint n) /*!< in: column number */ +{ + const dict_field_t* field; + const dict_col_t* col; + ulint pos; + ulint n_fields; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + col = dict_table_get_nth_col(index->table, n); + + if (dict_index_is_clust(index)) { + + return(dict_col_get_clust_pos(col, index)); + } + + n_fields = dict_index_get_n_fields(index); + + for (pos = 0; pos < n_fields; pos++) { + field = dict_index_get_nth_field(index, pos); + + if (col == field->col && field->prefix_len == 0) { + + return(pos); + } + } + + return(ULINT_UNDEFINED); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Returns TRUE if the index contains a column or a prefix of that column. +@return TRUE if contains the column or its prefix */ +UNIV_INTERN +ibool +dict_index_contains_col_or_prefix( +/*==============================*/ + const dict_index_t* index, /*!< in: index */ + ulint n) /*!< in: column number */ +{ + const dict_field_t* field; + const dict_col_t* col; + ulint pos; + ulint n_fields; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + if (dict_index_is_clust(index)) { + + return(TRUE); + } + + col = dict_table_get_nth_col(index->table, n); + + n_fields = dict_index_get_n_fields(index); + + for (pos = 0; pos < n_fields; pos++) { + field = dict_index_get_nth_field(index, pos); + + if (col == field->col) { + + return(TRUE); + } + } + + return(FALSE); +} + +/********************************************************************//** +Looks for a matching field in an index. The column has to be the same. The +column in index must be complete, or must contain a prefix longer than the +column in index2. That is, we must be able to construct the prefix in index2 +from the prefix in index. +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ +UNIV_INTERN +ulint +dict_index_get_nth_field_pos( +/*=========================*/ + const dict_index_t* index, /*!< in: index from which to search */ + const dict_index_t* index2, /*!< in: index */ + ulint n) /*!< in: field number in index2 */ +{ + const dict_field_t* field; + const dict_field_t* field2; + ulint n_fields; + ulint pos; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + field2 = dict_index_get_nth_field(index2, n); + + n_fields = dict_index_get_n_fields(index); + + for (pos = 0; pos < n_fields; pos++) { + field = dict_index_get_nth_field(index, pos); + + if (field->col == field2->col + && (field->prefix_len == 0 + || (field->prefix_len >= field2->prefix_len + && field2->prefix_len != 0))) { + + return(pos); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Returns a table object based on table id. +@return table, NULL if does not exist */ +UNIV_INTERN +dict_table_t* +dict_table_get_on_id( +/*=================*/ + dulint table_id, /*!< in: table id */ + trx_t* trx) /*!< in: transaction handle */ +{ + dict_table_t* table; + + if (ut_dulint_cmp(table_id, DICT_FIELDS_ID) <= 0 + || trx->dict_operation_lock_mode == RW_X_LATCH) { + /* It is a system table which will always exist in the table + cache: we avoid acquiring the dictionary mutex, because + if we are doing a rollback to handle an error in TABLE + CREATE, for example, we already have the mutex! */ + + ut_ad(mutex_own(&(dict_sys->mutex)) + || trx->dict_operation_lock_mode == RW_X_LATCH); + + return(dict_table_get_on_id_low(table_id)); + } + + mutex_enter(&(dict_sys->mutex)); + + table = dict_table_get_on_id_low(table_id); + + mutex_exit(&(dict_sys->mutex)); + + return(table); +} + +/********************************************************************//** +Looks for column n position in the clustered index. +@return position in internal representation of the clustered index */ +UNIV_INTERN +ulint +dict_table_get_nth_col_pos( +/*=======================*/ + const dict_table_t* table, /*!< in: table */ + ulint n) /*!< in: column number */ +{ + return(dict_index_get_nth_col_pos(dict_table_get_first_index(table), + n)); +} + +/********************************************************************//** +Checks if a column is in the ordering columns of the clustered index of a +table. Column prefixes are treated like whole columns. +@return TRUE if the column, or its prefix, is in the clustered key */ +UNIV_INTERN +ibool +dict_table_col_in_clustered_key( +/*============================*/ + const dict_table_t* table, /*!< in: table */ + ulint n) /*!< in: column number */ +{ + const dict_index_t* index; + const dict_field_t* field; + const dict_col_t* col; + ulint pos; + ulint n_fields; + + ut_ad(table); + + col = dict_table_get_nth_col(table, n); + + index = dict_table_get_first_index(table); + + n_fields = dict_index_get_n_unique(index); + + for (pos = 0; pos < n_fields; pos++) { + field = dict_index_get_nth_field(index, pos); + + if (col == field->col) { + + return(TRUE); + } + } + + return(FALSE); +} + +/**********************************************************************//** +Inits the data dictionary module. */ +UNIV_INTERN +void +dict_init(void) +/*===========*/ +{ + dict_sys = mem_alloc(sizeof(dict_sys_t)); + + mutex_create(&dict_sys->mutex, SYNC_DICT); + + dict_sys->table_hash = hash_create(buf_pool_get_curr_size() + / (DICT_POOL_PER_TABLE_HASH + * UNIV_WORD_SIZE)); + dict_sys->table_id_hash = hash_create(buf_pool_get_curr_size() + / (DICT_POOL_PER_TABLE_HASH + * UNIV_WORD_SIZE)); + dict_sys->size = 0; + + UT_LIST_INIT(dict_sys->table_LRU); + + rw_lock_create(&dict_operation_lock, SYNC_DICT_OPERATION); + + dict_foreign_err_file = os_file_create_tmpfile(); + ut_a(dict_foreign_err_file); + + mutex_create(&dict_foreign_err_mutex, SYNC_ANY_LATCH); +} + +/**********************************************************************//** +Returns a table object and optionally increment its MySQL open handle count. +NOTE! This is a high-level function to be used mainly from outside the +'dict' directory. Inside this directory dict_table_get_low is usually the +appropriate function. +@return table, NULL if does not exist */ +UNIV_INTERN +dict_table_t* +dict_table_get( +/*===========*/ + const char* table_name, /*!< in: table name */ + ibool inc_mysql_count)/*!< in: whether to increment the open + handle count on the table */ +{ + dict_table_t* table; + + mutex_enter(&(dict_sys->mutex)); + + table = dict_table_get_low(table_name); + + if (inc_mysql_count && table) { + table->n_mysql_handles_opened++; + } + + mutex_exit(&(dict_sys->mutex)); + + if (table != NULL) { + if (!table->stat_initialized) { + /* If table->ibd_file_missing == TRUE, this will + print an error message and return without doing + anything. */ + dict_update_statistics(table); + } + } + + return(table); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Adds system columns to a table object. */ +UNIV_INTERN +void +dict_table_add_system_columns( +/*==========================*/ + dict_table_t* table, /*!< in/out: table */ + mem_heap_t* heap) /*!< in: temporary heap */ +{ + ut_ad(table); + ut_ad(table->n_def == table->n_cols - DATA_N_SYS_COLS); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_ad(!table->cached); + + /* NOTE: the system columns MUST be added in the following order + (so that they can be indexed by the numerical value of DATA_ROW_ID, + etc.) and as the last columns of the table memory object. + The clustered index will not always physically contain all + system columns. */ + + dict_mem_table_add_col(table, heap, "DB_ROW_ID", DATA_SYS, + DATA_ROW_ID | DATA_NOT_NULL, + DATA_ROW_ID_LEN); +#if DATA_ROW_ID != 0 +#error "DATA_ROW_ID != 0" +#endif + dict_mem_table_add_col(table, heap, "DB_TRX_ID", DATA_SYS, + DATA_TRX_ID | DATA_NOT_NULL, + DATA_TRX_ID_LEN); +#if DATA_TRX_ID != 1 +#error "DATA_TRX_ID != 1" +#endif + dict_mem_table_add_col(table, heap, "DB_ROLL_PTR", DATA_SYS, + DATA_ROLL_PTR | DATA_NOT_NULL, + DATA_ROLL_PTR_LEN); +#if DATA_ROLL_PTR != 2 +#error "DATA_ROLL_PTR != 2" +#endif + + /* This check reminds that if a new system column is added to + the program, it should be dealt with here */ +#if DATA_N_SYS_COLS != 3 +#error "DATA_N_SYS_COLS != 3" +#endif +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Adds a table object to the dictionary cache. */ +UNIV_INTERN +void +dict_table_add_to_cache( +/*====================*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: temporary heap */ +{ + ulint fold; + ulint id_fold; + ulint i; + ulint row_len; + + /* The lower limit for what we consider a "big" row */ +#define BIG_ROW_SIZE 1024 + + ut_ad(mutex_own(&(dict_sys->mutex))); + + dict_table_add_system_columns(table, heap); + + table->cached = TRUE; + + fold = ut_fold_string(table->name); + id_fold = ut_fold_dulint(table->id); + + row_len = 0; + for (i = 0; i < table->n_def; i++) { + ulint col_len = dict_col_get_max_size( + dict_table_get_nth_col(table, i)); + + row_len += col_len; + + /* If we have a single unbounded field, or several gigantic + fields, mark the maximum row size as BIG_ROW_SIZE. */ + if (row_len >= BIG_ROW_SIZE || col_len >= BIG_ROW_SIZE) { + row_len = BIG_ROW_SIZE; + + break; + } + } + + table->big_rows = row_len >= BIG_ROW_SIZE; + + /* Look for a table with the same name: error if such exists */ + { + dict_table_t* table2; + HASH_SEARCH(name_hash, dict_sys->table_hash, fold, + dict_table_t*, table2, ut_ad(table2->cached), + ut_strcmp(table2->name, table->name) == 0); + ut_a(table2 == NULL); + +#ifdef UNIV_DEBUG + /* Look for the same table pointer with a different name */ + HASH_SEARCH_ALL(name_hash, dict_sys->table_hash, + dict_table_t*, table2, ut_ad(table2->cached), + table2 == table); + ut_ad(table2 == NULL); +#endif /* UNIV_DEBUG */ + } + + /* Look for a table with the same id: error if such exists */ + { + dict_table_t* table2; + HASH_SEARCH(id_hash, dict_sys->table_id_hash, id_fold, + dict_table_t*, table2, ut_ad(table2->cached), + ut_dulint_cmp(table2->id, table->id) == 0); + ut_a(table2 == NULL); + +#ifdef UNIV_DEBUG + /* Look for the same table pointer with a different id */ + HASH_SEARCH_ALL(id_hash, dict_sys->table_id_hash, + dict_table_t*, table2, ut_ad(table2->cached), + table2 == table); + ut_ad(table2 == NULL); +#endif /* UNIV_DEBUG */ + } + + /* Add table to hash table of tables */ + HASH_INSERT(dict_table_t, name_hash, dict_sys->table_hash, fold, + table); + + /* Add table to hash table of tables based on table id */ + HASH_INSERT(dict_table_t, id_hash, dict_sys->table_id_hash, id_fold, + table); + /* Add table to LRU list of tables */ + UT_LIST_ADD_FIRST(table_LRU, dict_sys->table_LRU, table); + + dict_sys->size += mem_heap_get_size(table->heap); +} + +/**********************************************************************//** +Looks for an index with the given id. NOTE that we do not reserve +the dictionary mutex: this function is for emergency purposes like +printing info of a corrupt database page! +@return index or NULL if not found from cache */ +UNIV_INTERN +dict_index_t* +dict_index_find_on_id_low( +/*======================*/ + dulint id) /*!< in: index id */ +{ + dict_table_t* table; + dict_index_t* index; + + table = UT_LIST_GET_FIRST(dict_sys->table_LRU); + + while (table) { + index = dict_table_get_first_index(table); + + while (index) { + if (0 == ut_dulint_cmp(id, index->id)) { + /* Found */ + + return(index); + } + + index = dict_table_get_next_index(index); + } + + table = UT_LIST_GET_NEXT(table_LRU, table); + } + + return(NULL); +} + +/**********************************************************************//** +Renames a table object. +@return TRUE if success */ +UNIV_INTERN +ibool +dict_table_rename_in_cache( +/*=======================*/ + dict_table_t* table, /*!< in/out: table */ + const char* new_name, /*!< in: new name */ + ibool rename_also_foreigns)/*!< in: in ALTER TABLE we want + to preserve the original table name + in constraints which reference it */ +{ + dict_foreign_t* foreign; + dict_index_t* index; + ulint fold; + ulint old_size; + const char* old_name; + + ut_ad(table); + ut_ad(mutex_own(&(dict_sys->mutex))); + + old_size = mem_heap_get_size(table->heap); + old_name = table->name; + + fold = ut_fold_string(new_name); + + /* Look for a table with the same name: error if such exists */ + { + dict_table_t* table2; + HASH_SEARCH(name_hash, dict_sys->table_hash, fold, + dict_table_t*, table2, ut_ad(table2->cached), + (ut_strcmp(table2->name, new_name) == 0)); + if (UNIV_LIKELY_NULL(table2)) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: dictionary cache" + " already contains a table ", stderr); + ut_print_name(stderr, NULL, TRUE, new_name); + fputs("\n" + "InnoDB: cannot rename table ", stderr); + ut_print_name(stderr, NULL, TRUE, old_name); + putc('\n', stderr); + return(FALSE); + } + } + + /* If the table is stored in a single-table tablespace, rename the + .ibd file */ + + if (table->space != 0) { + if (table->dir_path_of_temp_table != NULL) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: trying to rename a" + " TEMPORARY TABLE ", stderr); + ut_print_name(stderr, NULL, TRUE, old_name); + fputs(" (", stderr); + ut_print_filename(stderr, + table->dir_path_of_temp_table); + fputs(" )\n", stderr); + return(FALSE); + } else if (!fil_rename_tablespace(old_name, table->space, + new_name)) { + return(FALSE); + } + } + + /* Remove table from the hash tables of tables */ + HASH_DELETE(dict_table_t, name_hash, dict_sys->table_hash, + ut_fold_string(old_name), table); + table->name = mem_heap_strdup(table->heap, new_name); + + /* Add table to hash table of tables */ + HASH_INSERT(dict_table_t, name_hash, dict_sys->table_hash, fold, + table); + dict_sys->size += (mem_heap_get_size(table->heap) - old_size); + + /* Update the table_name field in indexes */ + index = dict_table_get_first_index(table); + + while (index != NULL) { + index->table_name = table->name; + + index = dict_table_get_next_index(index); + } + + if (!rename_also_foreigns) { + /* In ALTER TABLE we think of the rename table operation + in the direction table -> temporary table (#sql...) + as dropping the table with the old name and creating + a new with the new name. Thus we kind of drop the + constraints from the dictionary cache here. The foreign key + constraints will be inherited to the new table from the + system tables through a call of dict_load_foreigns. */ + + /* Remove the foreign constraints from the cache */ + foreign = UT_LIST_GET_LAST(table->foreign_list); + + while (foreign != NULL) { + dict_foreign_remove_from_cache(foreign); + foreign = UT_LIST_GET_LAST(table->foreign_list); + } + + /* Reset table field in referencing constraints */ + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign != NULL) { + foreign->referenced_table = NULL; + foreign->referenced_index = NULL; + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + /* Make the list of referencing constraints empty */ + + UT_LIST_INIT(table->referenced_list); + + return(TRUE); + } + + /* Update the table name fields in foreign constraints, and update also + the constraint id of new format >= 4.0.18 constraints. Note that at + this point we have already changed table->name to the new name. */ + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign != NULL) { + if (ut_strlen(foreign->foreign_table_name) + < ut_strlen(table->name)) { + /* Allocate a longer name buffer; + TODO: store buf len to save memory */ + + foreign->foreign_table_name + = mem_heap_alloc(foreign->heap, + ut_strlen(table->name) + 1); + } + + strcpy(foreign->foreign_table_name, table->name); + + if (strchr(foreign->id, '/')) { + ulint db_len; + char* old_id; + + /* This is a >= 4.0.18 format id */ + + old_id = mem_strdup(foreign->id); + + if (ut_strlen(foreign->id) > ut_strlen(old_name) + + ((sizeof dict_ibfk) - 1) + && !memcmp(foreign->id, old_name, + ut_strlen(old_name)) + && !memcmp(foreign->id + ut_strlen(old_name), + dict_ibfk, (sizeof dict_ibfk) - 1)) { + + /* This is a generated >= 4.0.18 format id */ + + if (strlen(table->name) > strlen(old_name)) { + foreign->id = mem_heap_alloc( + foreign->heap, + strlen(table->name) + + strlen(old_id) + 1); + } + + /* Replace the prefix 'databasename/tablename' + with the new names */ + strcpy(foreign->id, table->name); + strcat(foreign->id, + old_id + ut_strlen(old_name)); + } else { + /* This is a >= 4.0.18 format id where the user + gave the id name */ + db_len = dict_get_db_name_len(table->name) + 1; + + if (dict_get_db_name_len(table->name) + > dict_get_db_name_len(foreign->id)) { + + foreign->id = mem_heap_alloc( + foreign->heap, + db_len + strlen(old_id) + 1); + } + + /* Replace the database prefix in id with the + one from table->name */ + + ut_memcpy(foreign->id, table->name, db_len); + + strcpy(foreign->id + db_len, + dict_remove_db_name(old_id)); + } + + mem_free(old_id); + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign != NULL) { + if (ut_strlen(foreign->referenced_table_name) + < ut_strlen(table->name)) { + /* Allocate a longer name buffer; + TODO: store buf len to save memory */ + + foreign->referenced_table_name = mem_heap_alloc( + foreign->heap, strlen(table->name) + 1); + } + + strcpy(foreign->referenced_table_name, table->name); + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + return(TRUE); +} + +/**********************************************************************//** +Change the id of a table object in the dictionary cache. This is used in +DISCARD TABLESPACE. */ +UNIV_INTERN +void +dict_table_change_id_in_cache( +/*==========================*/ + dict_table_t* table, /*!< in/out: table object already in cache */ + dulint new_id) /*!< in: new id to set */ +{ + ut_ad(table); + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + /* Remove the table from the hash table of id's */ + + HASH_DELETE(dict_table_t, id_hash, dict_sys->table_id_hash, + ut_fold_dulint(table->id), table); + table->id = new_id; + + /* Add the table back to the hash table */ + HASH_INSERT(dict_table_t, id_hash, dict_sys->table_id_hash, + ut_fold_dulint(table->id), table); +} + +/**********************************************************************//** +Removes a table object from the dictionary cache. */ +UNIV_INTERN +void +dict_table_remove_from_cache( +/*=========================*/ + dict_table_t* table) /*!< in, own: table */ +{ + dict_foreign_t* foreign; + dict_index_t* index; + ulint size; + + ut_ad(table); + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + +#if 0 + fputs("Removing table ", stderr); + ut_print_name(stderr, table->name, ULINT_UNDEFINED); + fputs(" from dictionary cache\n", stderr); +#endif + + /* Remove the foreign constraints from the cache */ + foreign = UT_LIST_GET_LAST(table->foreign_list); + + while (foreign != NULL) { + dict_foreign_remove_from_cache(foreign); + foreign = UT_LIST_GET_LAST(table->foreign_list); + } + + /* Reset table field in referencing constraints */ + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign != NULL) { + foreign->referenced_table = NULL; + foreign->referenced_index = NULL; + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + /* Remove the indexes from the cache */ + index = UT_LIST_GET_LAST(table->indexes); + + while (index != NULL) { + dict_index_remove_from_cache(table, index); + index = UT_LIST_GET_LAST(table->indexes); + } + + /* Remove table from the hash tables of tables */ + HASH_DELETE(dict_table_t, name_hash, dict_sys->table_hash, + ut_fold_string(table->name), table); + HASH_DELETE(dict_table_t, id_hash, dict_sys->table_id_hash, + ut_fold_dulint(table->id), table); + + /* Remove table from LRU list of tables */ + UT_LIST_REMOVE(table_LRU, dict_sys->table_LRU, table); + + size = mem_heap_get_size(table->heap); + + ut_ad(dict_sys->size >= size); + + dict_sys->size -= size; + + dict_mem_table_free(table); +} + +/****************************************************************//** +If the given column name is reserved for InnoDB system columns, return +TRUE. +@return TRUE if name is reserved */ +UNIV_INTERN +ibool +dict_col_name_is_reserved( +/*======================*/ + const char* name) /*!< in: column name */ +{ + /* This check reminds that if a new system column is added to + the program, it should be dealt with here. */ +#if DATA_N_SYS_COLS != 3 +#error "DATA_N_SYS_COLS != 3" +#endif + + static const char* reserved_names[] = { + "DB_ROW_ID", "DB_TRX_ID", "DB_ROLL_PTR" + }; + + ulint i; + + for (i = 0; i < UT_ARR_SIZE(reserved_names); i++) { + if (innobase_strcasecmp(name, reserved_names[i]) == 0) { + + return(TRUE); + } + } + + return(FALSE); +} + +/****************************************************************//** +If an undo log record for this table might not fit on a single page, +return TRUE. +@return TRUE if the undo log record could become too big */ +static +ibool +dict_index_too_big_for_undo( +/*========================*/ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* new_index) /*!< in: index */ +{ + /* Make sure that all column prefixes will fit in the undo log record + in trx_undo_page_report_modify() right after trx_undo_page_init(). */ + + ulint i; + const dict_index_t* clust_index + = dict_table_get_first_index(table); + ulint undo_page_len + = TRX_UNDO_PAGE_HDR - TRX_UNDO_PAGE_HDR_SIZE + + 2 /* next record pointer */ + + 1 /* type_cmpl */ + + 11 /* trx->undo_no */ + 11 /* table->id */ + + 1 /* rec_get_info_bits() */ + + 11 /* DB_TRX_ID */ + + 11 /* DB_ROLL_PTR */ + + 10 + FIL_PAGE_DATA_END /* trx_undo_left() */ + + 2/* pointer to previous undo log record */; + + if (UNIV_UNLIKELY(!clust_index)) { + ut_a(dict_index_is_clust(new_index)); + clust_index = new_index; + } + + /* Add the size of the ordering columns in the + clustered index. */ + for (i = 0; i < clust_index->n_uniq; i++) { + const dict_col_t* col + = dict_index_get_nth_col(clust_index, i); + + /* Use the maximum output size of + mach_write_compressed(), although the encoded + length should always fit in 2 bytes. */ + undo_page_len += 5 + dict_col_get_max_size(col); + } + + /* Add the old values of the columns to be updated. + First, the amount and the numbers of the columns. + These are written by mach_write_compressed() whose + maximum output length is 5 bytes. However, given that + the quantities are below REC_MAX_N_FIELDS (10 bits), + the maximum length is 2 bytes per item. */ + undo_page_len += 2 * (dict_table_get_n_cols(table) + 1); + + for (i = 0; i < clust_index->n_def; i++) { + const dict_col_t* col + = dict_index_get_nth_col(clust_index, i); + ulint max_size + = dict_col_get_max_size(col); + ulint fixed_size + = dict_col_get_fixed_size(col, + dict_table_is_comp(table)); + + if (fixed_size) { + /* Fixed-size columns are stored locally. */ + max_size = fixed_size; + } else if (max_size <= BTR_EXTERN_FIELD_REF_SIZE * 2) { + /* Short columns are stored locally. */ + } else if (!col->ord_part) { + /* See if col->ord_part would be set + because of new_index. */ + ulint j; + + for (j = 0; j < new_index->n_uniq; j++) { + if (dict_index_get_nth_col( + new_index, j) == col) { + + goto is_ord_part; + } + } + + /* This is not an ordering column in any index. + Thus, it can be stored completely externally. */ + max_size = BTR_EXTERN_FIELD_REF_SIZE; + } else { +is_ord_part: + /* This is an ordering column in some index. + A long enough prefix must be written to the + undo log. See trx_undo_page_fetch_ext(). */ + + if (max_size > REC_MAX_INDEX_COL_LEN) { + max_size = REC_MAX_INDEX_COL_LEN; + } + + max_size += BTR_EXTERN_FIELD_REF_SIZE; + } + + undo_page_len += 5 + max_size; + } + + return(undo_page_len >= UNIV_PAGE_SIZE); +} + +/****************************************************************//** +If a record of this index might not fit on a single B-tree page, +return TRUE. +@return TRUE if the index record could become too big */ +static +ibool +dict_index_too_big_for_tree( +/*========================*/ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* new_index) /*!< in: index */ +{ + ulint zip_size; + ulint comp; + ulint i; + /* maximum possible storage size of a record */ + ulint rec_max_size; + /* maximum allowed size of a record on a leaf page */ + ulint page_rec_max; + /* maximum allowed size of a node pointer record */ + ulint page_ptr_max; + + comp = dict_table_is_comp(table); + zip_size = dict_table_zip_size(table); + + if (zip_size && zip_size < UNIV_PAGE_SIZE) { + /* On a compressed page, two records must fit in the + uncompressed page modification log. On compressed + pages with zip_size == UNIV_PAGE_SIZE, this limit will + never be reached. */ + ut_ad(comp); + /* The maximum allowed record size is the size of + an empty page, minus a byte for recoding the heap + number in the page modification log. The maximum + allowed node pointer size is half that. */ + page_rec_max = page_zip_empty_size(new_index->n_fields, + zip_size) - 1; + page_ptr_max = page_rec_max / 2; + /* On a compressed page, there is a two-byte entry in + the dense page directory for every record. But there + is no record header. */ + rec_max_size = 2; + } else { + /* The maximum allowed record size is half a B-tree + page. No additional sparse page directory entry will + be generated for the first few user records. */ + page_rec_max = page_get_free_space_of_empty(comp) / 2; + page_ptr_max = page_rec_max; + /* Each record has a header. */ + rec_max_size = comp + ? REC_N_NEW_EXTRA_BYTES + : REC_N_OLD_EXTRA_BYTES; + } + + if (comp) { + /* Include the "null" flags in the + maximum possible record size. */ + rec_max_size += UT_BITS_IN_BYTES(new_index->n_nullable); + } else { + /* For each column, include a 2-byte offset and a + "null" flag. The 1-byte format is only used in short + records that do not contain externally stored columns. + Such records could never exceed the page limit, even + when using the 2-byte format. */ + rec_max_size += 2 * new_index->n_fields; + } + + /* Compute the maximum possible record size. */ + for (i = 0; i < new_index->n_fields; i++) { + const dict_field_t* field + = dict_index_get_nth_field(new_index, i); + const dict_col_t* col + = dict_field_get_col(field); + ulint field_max_size; + ulint field_ext_max_size; + + /* In dtuple_convert_big_rec(), variable-length columns + that are longer than BTR_EXTERN_FIELD_REF_SIZE * 2 + may be chosen for external storage. + + Fixed-length columns, and all columns of secondary + index records are always stored inline. */ + + /* Determine the maximum length of the index field. + The field_ext_max_size should be computed as the worst + case in rec_get_converted_size_comp() for + REC_STATUS_ORDINARY records. */ + + field_max_size = dict_col_get_fixed_size(col, comp); + if (field_max_size) { + /* dict_index_add_col() should guarantee this */ + ut_ad(!field->prefix_len + || field->fixed_len == field->prefix_len); + /* Fixed lengths are not encoded + in ROW_FORMAT=COMPACT. */ + field_ext_max_size = 0; + goto add_field_size; + } + + field_max_size = dict_col_get_max_size(col); + field_ext_max_size = field_max_size < 256 ? 1 : 2; + + if (field->prefix_len) { + if (field->prefix_len < field_max_size) { + field_max_size = field->prefix_len; + } + } else if (field_max_size > BTR_EXTERN_FIELD_REF_SIZE * 2 + && dict_index_is_clust(new_index)) { + + /* In the worst case, we have a locally stored + column of BTR_EXTERN_FIELD_REF_SIZE * 2 bytes. + The length can be stored in one byte. If the + column were stored externally, the lengths in + the clustered index page would be + BTR_EXTERN_FIELD_REF_SIZE and 2. */ + field_max_size = BTR_EXTERN_FIELD_REF_SIZE * 2; + field_ext_max_size = 1; + } + + if (comp) { + /* Add the extra size for ROW_FORMAT=COMPACT. + For ROW_FORMAT=REDUNDANT, these bytes were + added to rec_max_size before this loop. */ + rec_max_size += field_ext_max_size; + } +add_field_size: + rec_max_size += field_max_size; + + /* Check the size limit on leaf pages. */ + if (UNIV_UNLIKELY(rec_max_size >= page_rec_max)) { + + return(TRUE); + } + + /* Check the size limit on non-leaf pages. Records + stored in non-leaf B-tree pages consist of the unique + columns of the record (the key columns of the B-tree) + and a node pointer field. When we have processed the + unique columns, rec_max_size equals the size of the + node pointer record minus the node pointer column. */ + if (i + 1 == dict_index_get_n_unique_in_tree(new_index) + && rec_max_size + REC_NODE_PTR_SIZE >= page_ptr_max) { + + return(TRUE); + } + } + + return(FALSE); +} + +/**********************************************************************//** +Adds an index to the dictionary cache. +@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ +UNIV_INTERN +ulint +dict_index_add_to_cache( +/*====================*/ + dict_table_t* table, /*!< in: table on which the index is */ + dict_index_t* index, /*!< in, own: index; NOTE! The index memory + object is freed in this function! */ + ulint page_no,/*!< in: root page number of the index */ + ibool strict) /*!< in: TRUE=refuse to create the index + if records could be too big to fit in + an B-tree page */ +{ + dict_index_t* new_index; + ulint n_ord; + ulint i; + + ut_ad(index); + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(index->n_def == index->n_fields); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + ut_ad(mem_heap_validate(index->heap)); + ut_a(!dict_index_is_clust(index) + || UT_LIST_GET_LEN(table->indexes) == 0); + + if (!dict_index_find_cols(table, index)) { + + dict_mem_index_free(index); + return(DB_CORRUPTION); + } + + /* Build the cache internal representation of the index, + containing also the added system fields */ + + if (dict_index_is_clust(index)) { + new_index = dict_index_build_internal_clust(table, index); + } else { + new_index = dict_index_build_internal_non_clust(table, index); + } + + /* Set the n_fields value in new_index to the actual defined + number of fields in the cache internal representation */ + + new_index->n_fields = new_index->n_def; + + if (strict && dict_index_too_big_for_tree(table, new_index)) { +too_big: + dict_mem_index_free(new_index); + dict_mem_index_free(index); + return(DB_TOO_BIG_RECORD); + } + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + n_ord = new_index->n_fields; + } else { + n_ord = new_index->n_uniq; + } + + switch (dict_table_get_format(table)) { + case DICT_TF_FORMAT_51: + /* ROW_FORMAT=REDUNDANT and ROW_FORMAT=COMPACT store + prefixes of externally stored columns locally within + the record. There are no special considerations for + the undo log record size. */ + goto undo_size_ok; + + case DICT_TF_FORMAT_ZIP: + /* In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, + column prefix indexes require that prefixes of + externally stored columns are written to the undo log. + This may make the undo log record bigger than the + record on the B-tree page. The maximum size of an + undo log record is the page size. That must be + checked for below. */ + break; + +#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX +# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" +#endif + } + + for (i = 0; i < n_ord; i++) { + const dict_field_t* field + = dict_index_get_nth_field(new_index, i); + const dict_col_t* col + = dict_field_get_col(field); + + /* In dtuple_convert_big_rec(), variable-length columns + that are longer than BTR_EXTERN_FIELD_REF_SIZE * 2 + may be chosen for external storage. If the column appears + in an ordering column of an index, a longer prefix of + REC_MAX_INDEX_COL_LEN will be copied to the undo log + by trx_undo_page_report_modify() and + trx_undo_page_fetch_ext(). It suffices to check the + capacity of the undo log whenever new_index includes + a column prefix on a column that may be stored externally. */ + + if (field->prefix_len /* prefix index */ + && !col->ord_part /* not yet ordering column */ + && !dict_col_get_fixed_size(col, TRUE) /* variable-length */ + && dict_col_get_max_size(col) + > BTR_EXTERN_FIELD_REF_SIZE * 2 /* long enough */) { + + if (dict_index_too_big_for_undo(table, new_index)) { + /* An undo log record might not fit in + a single page. Refuse to create this index. */ + + goto too_big; + } + + break; + } + } + +undo_size_ok: + /* Flag the ordering columns */ + + for (i = 0; i < n_ord; i++) { + + dict_index_get_nth_field(new_index, i)->col->ord_part = 1; + } + + /* Add the new index as the last index for the table */ + + UT_LIST_ADD_LAST(indexes, table->indexes, new_index); + new_index->table = table; + new_index->table_name = table->name; + + new_index->search_info = btr_search_info_create(new_index->heap); + + new_index->stat_index_size = 1; + new_index->stat_n_leaf_pages = 1; + + new_index->page = page_no; + rw_lock_create(&new_index->lock, SYNC_INDEX_TREE); + + if (!UNIV_UNLIKELY(new_index->type & DICT_UNIVERSAL)) { + + new_index->stat_n_diff_key_vals = mem_heap_alloc( + new_index->heap, + (1 + dict_index_get_n_unique(new_index)) + * sizeof(ib_int64_t)); + /* Give some sensible values to stat_n_... in case we do + not calculate statistics quickly enough */ + + for (i = 0; i <= dict_index_get_n_unique(new_index); i++) { + + new_index->stat_n_diff_key_vals[i] = 100; + } + } + + dict_sys->size += mem_heap_get_size(new_index->heap); + + dict_mem_index_free(index); + + return(DB_SUCCESS); +} + +/**********************************************************************//** +Removes an index from the dictionary cache. */ +UNIV_INTERN +void +dict_index_remove_from_cache( +/*=========================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index) /*!< in, own: index */ +{ + ulint size; + ulint retries = 0; + btr_search_t* info; + + ut_ad(table && index); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(mutex_own(&(dict_sys->mutex))); + + /* We always create search info whether or not adaptive + hash index is enabled or not. */ + info = index->search_info; + ut_ad(info); + + /* We are not allowed to free the in-memory index struct + dict_index_t until all entries in the adaptive hash index + that point to any of the page belonging to his b-tree index + are dropped. This is so because dropping of these entries + require access to dict_index_t struct. To avoid such scenario + We keep a count of number of such pages in the search_info and + only free the dict_index_t struct when this count drops to + zero. */ + + for (;;) { + ulint ref_count = btr_search_info_get_ref_count(info); + if (ref_count == 0) { + break; + } + + /* Sleep for 10ms before trying again. */ + os_thread_sleep(10000); + ++retries; + + if (retries % 500 == 0) { + /* No luck after 5 seconds of wait. */ + fprintf(stderr, "InnoDB: Error: Waited for" + " %lu secs for hash index" + " ref_count (%lu) to drop" + " to 0.\n" + "index: \"%s\"" + " table: \"%s\"\n", + retries/100, + ref_count, + index->name, + table->name); + } + + /* To avoid a hang here we commit suicide if the + ref_count doesn't drop to zero in 600 seconds. */ + if (retries >= 60000) { + ut_error; + } + } + + rw_lock_free(&index->lock); + + /* Remove the index from the list of indexes of the table */ + UT_LIST_REMOVE(indexes, table->indexes, index); + + size = mem_heap_get_size(index->heap); + + ut_ad(dict_sys->size >= size); + + dict_sys->size -= size; + + dict_mem_index_free(index); +} + +/*******************************************************************//** +Tries to find column names for the index and sets the col field of the +index. +@return TRUE if the column names were found */ +static +ibool +dict_index_find_cols( +/*=================*/ + dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: index */ +{ + ulint i; + + ut_ad(table && index); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_ad(mutex_own(&(dict_sys->mutex))); + + for (i = 0; i < index->n_fields; i++) { + ulint j; + dict_field_t* field = dict_index_get_nth_field(index, i); + + for (j = 0; j < table->n_cols; j++) { + if (!strcmp(dict_table_get_col_name(table, j), + field->name)) { + field->col = dict_table_get_nth_col(table, j); + + goto found; + } + } + +#ifdef UNIV_DEBUG + /* It is an error not to find a matching column. */ + fputs("InnoDB: Error: no matching column for ", stderr); + ut_print_name(stderr, NULL, FALSE, field->name); + fputs(" in ", stderr); + dict_index_name_print(stderr, NULL, index); + fputs("!\n", stderr); +#endif /* UNIV_DEBUG */ + return(FALSE); + +found: + ; + } + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ + +/*******************************************************************//** +Adds a column to index. */ +UNIV_INTERN +void +dict_index_add_col( +/*===============*/ + dict_index_t* index, /*!< in/out: index */ + const dict_table_t* table, /*!< in: table */ + dict_col_t* col, /*!< in: column */ + ulint prefix_len) /*!< in: column prefix length */ +{ + dict_field_t* field; + const char* col_name; + + col_name = dict_table_get_col_name(table, dict_col_get_no(col)); + + dict_mem_index_add_field(index, col_name, prefix_len); + + field = dict_index_get_nth_field(index, index->n_def - 1); + + field->col = col; + field->fixed_len = (unsigned int) dict_col_get_fixed_size( + col, dict_table_is_comp(table)); + + if (prefix_len && field->fixed_len > prefix_len) { + field->fixed_len = (unsigned int) prefix_len; + } + + /* Long fixed-length fields that need external storage are treated as + variable-length fields, so that the extern flag can be embedded in + the length word. */ + + if (field->fixed_len > DICT_MAX_INDEX_COL_LEN) { + field->fixed_len = 0; + } +#if DICT_MAX_INDEX_COL_LEN != 768 + /* The comparison limit above must be constant. If it were + changed, the disk format of some fixed-length columns would + change, which would be a disaster. */ +# error "DICT_MAX_INDEX_COL_LEN != 768" +#endif + + if (!(col->prtype & DATA_NOT_NULL)) { + index->n_nullable++; + } +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Copies fields contained in index2 to index1. */ +static +void +dict_index_copy( +/*============*/ + dict_index_t* index1, /*!< in: index to copy to */ + dict_index_t* index2, /*!< in: index to copy from */ + const dict_table_t* table, /*!< in: table */ + ulint start, /*!< in: first position to copy */ + ulint end) /*!< in: last position to copy */ +{ + dict_field_t* field; + ulint i; + + /* Copy fields contained in index2 */ + + for (i = start; i < end; i++) { + + field = dict_index_get_nth_field(index2, i); + dict_index_add_col(index1, table, field->col, + field->prefix_len); + } +} + +/*******************************************************************//** +Copies types of fields contained in index to tuple. */ +UNIV_INTERN +void +dict_index_copy_types( +/*==================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_index_t* index, /*!< in: index */ + ulint n_fields) /*!< in: number of + field types to copy */ +{ + ulint i; + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + dtuple_set_types_binary(tuple, n_fields); + + return; + } + + for (i = 0; i < n_fields; i++) { + const dict_field_t* ifield; + dtype_t* dfield_type; + + ifield = dict_index_get_nth_field(index, i); + dfield_type = dfield_get_type(dtuple_get_nth_field(tuple, i)); + dict_col_copy_type(dict_field_get_col(ifield), dfield_type); + } +} + +/*******************************************************************//** +Copies types of columns contained in table to tuple and sets all +fields of the tuple to the SQL NULL value. This function should +be called right after dtuple_create(). */ +UNIV_INTERN +void +dict_table_copy_types( +/*==================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_table_t* table) /*!< in: table */ +{ + ulint i; + + for (i = 0; i < dtuple_get_n_fields(tuple); i++) { + + dfield_t* dfield = dtuple_get_nth_field(tuple, i); + dtype_t* dtype = dfield_get_type(dfield); + + dfield_set_null(dfield); + dict_col_copy_type(dict_table_get_nth_col(table, i), dtype); + } +} + +/*******************************************************************//** +Builds the internal dictionary cache representation for a clustered +index, containing also system fields not defined by the user. +@return own: the internal representation of the clustered index */ +static +dict_index_t* +dict_index_build_internal_clust( +/*============================*/ + const dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: user representation of + a clustered index */ +{ + dict_index_t* new_index; + dict_field_t* field; + ulint fixed_size; + ulint trx_id_pos; + ulint i; + ibool* indexed; + + ut_ad(table && index); + ut_ad(dict_index_is_clust(index)); + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + /* Create a new index object with certainly enough fields */ + new_index = dict_mem_index_create(table->name, + index->name, table->space, + index->type, + index->n_fields + table->n_cols); + + /* Copy other relevant data from the old index struct to the new + struct: it inherits the values */ + + new_index->n_user_defined_cols = index->n_fields; + + new_index->id = index->id; + + /* Copy the fields of index */ + dict_index_copy(new_index, index, table, 0, index->n_fields); + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + /* No fixed number of fields determines an entry uniquely */ + + new_index->n_uniq = REC_MAX_N_FIELDS; + + } else if (dict_index_is_unique(index)) { + /* Only the fields defined so far are needed to identify + the index entry uniquely */ + + new_index->n_uniq = new_index->n_def; + } else { + /* Also the row id is needed to identify the entry */ + new_index->n_uniq = 1 + new_index->n_def; + } + + new_index->trx_id_offset = 0; + + if (!dict_index_is_ibuf(index)) { + /* Add system columns, trx id first */ + + trx_id_pos = new_index->n_def; + +#if DATA_ROW_ID != 0 +# error "DATA_ROW_ID != 0" +#endif +#if DATA_TRX_ID != 1 +# error "DATA_TRX_ID != 1" +#endif +#if DATA_ROLL_PTR != 2 +# error "DATA_ROLL_PTR != 2" +#endif + + if (!dict_index_is_unique(index)) { + dict_index_add_col(new_index, table, + dict_table_get_sys_col( + table, DATA_ROW_ID), + 0); + trx_id_pos++; + } + + dict_index_add_col(new_index, table, + dict_table_get_sys_col(table, DATA_TRX_ID), + 0); + + dict_index_add_col(new_index, table, + dict_table_get_sys_col(table, + DATA_ROLL_PTR), + 0); + + for (i = 0; i < trx_id_pos; i++) { + + fixed_size = dict_col_get_fixed_size( + dict_index_get_nth_col(new_index, i), + dict_table_is_comp(table)); + + if (fixed_size == 0) { + new_index->trx_id_offset = 0; + + break; + } + + if (dict_index_get_nth_field(new_index, i)->prefix_len + > 0) { + new_index->trx_id_offset = 0; + + break; + } + + new_index->trx_id_offset += (unsigned int) fixed_size; + } + + } + + /* Remember the table columns already contained in new_index */ + indexed = mem_zalloc(table->n_cols * sizeof *indexed); + + /* Mark the table columns already contained in new_index */ + for (i = 0; i < new_index->n_def; i++) { + + field = dict_index_get_nth_field(new_index, i); + + /* If there is only a prefix of the column in the index + field, do not mark the column as contained in the index */ + + if (field->prefix_len == 0) { + + indexed[field->col->ind] = TRUE; + } + } + + /* Add to new_index non-system columns of table not yet included + there */ + for (i = 0; i + DATA_N_SYS_COLS < (ulint) table->n_cols; i++) { + + dict_col_t* col = dict_table_get_nth_col(table, i); + ut_ad(col->mtype != DATA_SYS); + + if (!indexed[col->ind]) { + dict_index_add_col(new_index, table, col, 0); + } + } + + mem_free(indexed); + + ut_ad(dict_index_is_ibuf(index) + || (UT_LIST_GET_LEN(table->indexes) == 0)); + + new_index->cached = TRUE; + + return(new_index); +} + +/*******************************************************************//** +Builds the internal dictionary cache representation for a non-clustered +index, containing also system fields not defined by the user. +@return own: the internal representation of the non-clustered index */ +static +dict_index_t* +dict_index_build_internal_non_clust( +/*================================*/ + const dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: user representation of + a non-clustered index */ +{ + dict_field_t* field; + dict_index_t* new_index; + dict_index_t* clust_index; + ulint i; + ibool* indexed; + + ut_ad(table && index); + ut_ad(!dict_index_is_clust(index)); + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + /* The clustered index should be the first in the list of indexes */ + clust_index = UT_LIST_GET_FIRST(table->indexes); + + ut_ad(clust_index); + ut_ad(dict_index_is_clust(clust_index)); + ut_ad(!(clust_index->type & DICT_UNIVERSAL)); + + /* Create a new index */ + new_index = dict_mem_index_create( + table->name, index->name, index->space, index->type, + index->n_fields + 1 + clust_index->n_uniq); + + /* Copy other relevant data from the old index + struct to the new struct: it inherits the values */ + + new_index->n_user_defined_cols = index->n_fields; + + new_index->id = index->id; + + /* Copy fields from index to new_index */ + dict_index_copy(new_index, index, table, 0, index->n_fields); + + /* Remember the table columns already contained in new_index */ + indexed = mem_zalloc(table->n_cols * sizeof *indexed); + + /* Mark the table columns already contained in new_index */ + for (i = 0; i < new_index->n_def; i++) { + + field = dict_index_get_nth_field(new_index, i); + + /* If there is only a prefix of the column in the index + field, do not mark the column as contained in the index */ + + if (field->prefix_len == 0) { + + indexed[field->col->ind] = TRUE; + } + } + + /* Add to new_index the columns necessary to determine the clustered + index entry uniquely */ + + for (i = 0; i < clust_index->n_uniq; i++) { + + field = dict_index_get_nth_field(clust_index, i); + + if (!indexed[field->col->ind]) { + dict_index_add_col(new_index, table, field->col, + field->prefix_len); + } + } + + mem_free(indexed); + + if (dict_index_is_unique(index)) { + new_index->n_uniq = index->n_fields; + } else { + new_index->n_uniq = new_index->n_def; + } + + /* Set the n_fields value in new_index to the actual defined + number of fields */ + + new_index->n_fields = new_index->n_def; + + new_index->cached = TRUE; + + return(new_index); +} + +/*====================== FOREIGN KEY PROCESSING ========================*/ + +/*********************************************************************//** +Checks if a table is referenced by foreign keys. +@return TRUE if table is referenced by a foreign key */ +UNIV_INTERN +ibool +dict_table_is_referenced_by_foreign_key( +/*====================================*/ + const dict_table_t* table) /*!< in: InnoDB table */ +{ + return(UT_LIST_GET_LEN(table->referenced_list) > 0); +} + +/*********************************************************************//** +Check if the index is referenced by a foreign key, if TRUE return foreign +else return NULL +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ +UNIV_INTERN +dict_foreign_t* +dict_table_get_referenced_constraint( +/*=================================*/ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index) /*!< in: InnoDB index */ +{ + dict_foreign_t* foreign; + + ut_ad(index != NULL); + ut_ad(table != NULL); + + for (foreign = UT_LIST_GET_FIRST(table->referenced_list); + foreign; + foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { + + if (foreign->referenced_index == index) { + + return(foreign); + } + } + + return(NULL); +} + +/*********************************************************************//** +Checks if a index is defined for a foreign key constraint. Index is a part +of a foreign key constraint if the index is referenced by foreign key +or index is a foreign key index. +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ +UNIV_INTERN +dict_foreign_t* +dict_table_get_foreign_constraint( +/*==============================*/ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index) /*!< in: InnoDB index */ +{ + dict_foreign_t* foreign; + + ut_ad(index != NULL); + ut_ad(table != NULL); + + for (foreign = UT_LIST_GET_FIRST(table->foreign_list); + foreign; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { + + if (foreign->foreign_index == index + || foreign->referenced_index == index) { + + return(foreign); + } + } + + return(NULL); +} + +/*********************************************************************//** +Frees a foreign key struct. */ +static +void +dict_foreign_free( +/*==============*/ + dict_foreign_t* foreign) /*!< in, own: foreign key struct */ +{ + mem_heap_free(foreign->heap); +} + +/**********************************************************************//** +Removes a foreign constraint struct from the dictionary cache. */ +static +void +dict_foreign_remove_from_cache( +/*===========================*/ + dict_foreign_t* foreign) /*!< in, own: foreign constraint */ +{ + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_a(foreign); + + if (foreign->referenced_table) { + UT_LIST_REMOVE(referenced_list, + foreign->referenced_table->referenced_list, + foreign); + } + + if (foreign->foreign_table) { + UT_LIST_REMOVE(foreign_list, + foreign->foreign_table->foreign_list, + foreign); + } + + dict_foreign_free(foreign); +} + +/**********************************************************************//** +Looks for the foreign constraint from the foreign and referenced lists +of a table. +@return foreign constraint */ +static +dict_foreign_t* +dict_foreign_find( +/*==============*/ + dict_table_t* table, /*!< in: table object */ + const char* id) /*!< in: foreign constraint id */ +{ + dict_foreign_t* foreign; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign) { + if (ut_strcmp(id, foreign->id) == 0) { + + return(foreign); + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign) { + if (ut_strcmp(id, foreign->id) == 0) { + + return(foreign); + } + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + return(NULL); +} + +/*********************************************************************//** +Tries to find an index whose first fields are the columns in the array, +in the same order and is not marked for deletion and is not the same +as types_idx. +@return matching index, NULL if not found */ +static +dict_index_t* +dict_foreign_find_index( +/*====================*/ + dict_table_t* table, /*!< in: table */ + const char** columns,/*!< in: array of column names */ + ulint n_cols, /*!< in: number of columns */ + dict_index_t* types_idx, /*!< in: NULL or an index to whose types the + column types must match */ + ibool check_charsets, + /*!< in: whether to check charsets. + only has an effect if types_idx != NULL */ + ulint check_null) + /*!< in: nonzero if none of the columns must + be declared NOT NULL */ +{ + dict_index_t* index; + + index = dict_table_get_first_index(table); + + while (index != NULL) { + /* Ignore matches that refer to the same instance + or the index is to be dropped */ + if (index->to_be_dropped || types_idx == index) { + + goto next_rec; + + } else if (dict_index_get_n_fields(index) >= n_cols) { + ulint i; + + for (i = 0; i < n_cols; i++) { + dict_field_t* field; + const char* col_name; + + field = dict_index_get_nth_field(index, i); + + col_name = dict_table_get_col_name( + table, dict_col_get_no(field->col)); + + if (field->prefix_len != 0) { + /* We do not accept column prefix + indexes here */ + + break; + } + + if (0 != innobase_strcasecmp(columns[i], + col_name)) { + break; + } + + if (check_null + && (field->col->prtype & DATA_NOT_NULL)) { + + return(NULL); + } + + if (types_idx && !cmp_cols_are_equal( + dict_index_get_nth_col(index, i), + dict_index_get_nth_col(types_idx, + i), + check_charsets)) { + + break; + } + } + + if (i == n_cols) { + /* We found a matching index */ + + return(index); + } + } + +next_rec: + index = dict_table_get_next_index(index); + } + + return(NULL); +} + +/**********************************************************************//** +Find an index that is equivalent to the one passed in and is not marked +for deletion. +@return index equivalent to foreign->foreign_index, or NULL */ +UNIV_INTERN +dict_index_t* +dict_foreign_find_equiv_index( +/*==========================*/ + dict_foreign_t* foreign)/*!< in: foreign key */ +{ + ut_a(foreign != NULL); + + /* Try to find an index which contains the columns as the + first fields and in the right order, and the types are the + same as in foreign->foreign_index */ + + return(dict_foreign_find_index( + foreign->foreign_table, + foreign->foreign_col_names, foreign->n_fields, + foreign->foreign_index, TRUE, /* check types */ + FALSE/* allow columns to be NULL */)); +} + +/**********************************************************************//** +Returns an index object by matching on the name and column names and +if more than one index matches return the index with the max id +@return matching index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_by_max_id( +/*===========================*/ + dict_table_t* table, /*!< in: table */ + const char* name, /*!< in: the index name to find */ + const char** columns,/*!< in: array of column names */ + ulint n_cols) /*!< in: number of columns */ +{ + dict_index_t* index; + dict_index_t* found; + + found = NULL; + index = dict_table_get_first_index(table); + + while (index != NULL) { + if (ut_strcmp(index->name, name) == 0 + && dict_index_get_n_ordering_defined_by_user(index) + == n_cols) { + + ulint i; + + for (i = 0; i < n_cols; i++) { + dict_field_t* field; + const char* col_name; + + field = dict_index_get_nth_field(index, i); + + col_name = dict_table_get_col_name( + table, dict_col_get_no(field->col)); + + if (0 != innobase_strcasecmp( + columns[i], col_name)) { + + break; + } + } + + if (i == n_cols) { + /* We found a matching index, select + the index with the higher id*/ + + if (!found + || ut_dulint_cmp(index->id, found->id) > 0) { + + found = index; + } + } + } + + index = dict_table_get_next_index(index); + } + + return(found); +} + +/**********************************************************************//** +Report an error in a foreign key definition. */ +static +void +dict_foreign_error_report_low( +/*==========================*/ + FILE* file, /*!< in: output stream */ + const char* name) /*!< in: table name */ +{ + rewind(file); + ut_print_timestamp(file); + fprintf(file, " Error in foreign key constraint of table %s:\n", + name); +} + +/**********************************************************************//** +Report an error in a foreign key definition. */ +static +void +dict_foreign_error_report( +/*======================*/ + FILE* file, /*!< in: output stream */ + dict_foreign_t* fk, /*!< in: foreign key constraint */ + const char* msg) /*!< in: the error message */ +{ + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(file, fk->foreign_table_name); + fputs(msg, file); + fputs(" Constraint:\n", file); + dict_print_info_on_foreign_key_in_create_format(file, NULL, fk, TRUE); + putc('\n', file); + if (fk->foreign_index) { + fputs("The index in the foreign key in table is ", file); + ut_print_name(file, NULL, FALSE, fk->foreign_index->name); + fputs("\n" + "See " REFMAN "innodb-foreign-key-constraints.html\n" + "for correct foreign key definition.\n", + file); + } + mutex_exit(&dict_foreign_err_mutex); +} + +/**********************************************************************//** +Adds a foreign key constraint object to the dictionary cache. May free +the object if there already is an object with the same identifier in. +At least one of the foreign table and the referenced table must already +be in the dictionary cache! +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_foreign_add_to_cache( +/*======================*/ + dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ + ibool check_charsets) /*!< in: TRUE=check charset + compatibility */ +{ + dict_table_t* for_table; + dict_table_t* ref_table; + dict_foreign_t* for_in_cache = NULL; + dict_index_t* index; + ibool added_to_referenced_list= FALSE; + FILE* ef = dict_foreign_err_file; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + for_table = dict_table_check_if_in_cache_low( + foreign->foreign_table_name); + + ref_table = dict_table_check_if_in_cache_low( + foreign->referenced_table_name); + ut_a(for_table || ref_table); + + if (for_table) { + for_in_cache = dict_foreign_find(for_table, foreign->id); + } + + if (!for_in_cache && ref_table) { + for_in_cache = dict_foreign_find(ref_table, foreign->id); + } + + if (for_in_cache) { + /* Free the foreign object */ + mem_heap_free(foreign->heap); + } else { + for_in_cache = foreign; + } + + if (for_in_cache->referenced_table == NULL && ref_table) { + index = dict_foreign_find_index( + ref_table, + for_in_cache->referenced_col_names, + for_in_cache->n_fields, for_in_cache->foreign_index, + check_charsets, FALSE); + + if (index == NULL) { + dict_foreign_error_report( + ef, for_in_cache, + "there is no index in referenced table" + " which would contain\n" + "the columns as the first columns," + " or the data types in the\n" + "referenced table do not match" + " the ones in table."); + + if (for_in_cache == foreign) { + mem_heap_free(foreign->heap); + } + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + for_in_cache->referenced_table = ref_table; + for_in_cache->referenced_index = index; + UT_LIST_ADD_LAST(referenced_list, + ref_table->referenced_list, + for_in_cache); + added_to_referenced_list = TRUE; + } + + if (for_in_cache->foreign_table == NULL && for_table) { + index = dict_foreign_find_index( + for_table, + for_in_cache->foreign_col_names, + for_in_cache->n_fields, + for_in_cache->referenced_index, check_charsets, + for_in_cache->type + & (DICT_FOREIGN_ON_DELETE_SET_NULL + | DICT_FOREIGN_ON_UPDATE_SET_NULL)); + + if (index == NULL) { + dict_foreign_error_report( + ef, for_in_cache, + "there is no index in the table" + " which would contain\n" + "the columns as the first columns," + " or the data types in the\n" + "table do not match" + " the ones in the referenced table\n" + "or one of the ON ... SET NULL columns" + " is declared NOT NULL."); + + if (for_in_cache == foreign) { + if (added_to_referenced_list) { + UT_LIST_REMOVE( + referenced_list, + ref_table->referenced_list, + for_in_cache); + } + + mem_heap_free(foreign->heap); + } + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + for_in_cache->foreign_table = for_table; + for_in_cache->foreign_index = index; + UT_LIST_ADD_LAST(foreign_list, + for_table->foreign_list, + for_in_cache); + } + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Scans from pointer onwards. Stops if is at the start of a copy of +'string' where characters are compared without case sensitivity, and +only outside `` or "" quotes. Stops also at NUL. +@return scanned up to this */ +static +const char* +dict_scan_to( +/*=========*/ + const char* ptr, /*!< in: scan from */ + const char* string) /*!< in: look for this */ +{ + char quote = '\0'; + + for (; *ptr; ptr++) { + if (*ptr == quote) { + /* Closing quote character: do not look for + starting quote or the keyword. */ + quote = '\0'; + } else if (quote) { + /* Within quotes: do nothing. */ + } else if (*ptr == '`' || *ptr == '"') { + /* Starting quote: remember the quote character. */ + quote = *ptr; + } else { + /* Outside quotes: look for the keyword. */ + ulint i; + for (i = 0; string[i]; i++) { + if (toupper((int)(unsigned char)(ptr[i])) + != toupper((int)(unsigned char) + (string[i]))) { + goto nomatch; + } + } + break; +nomatch: + ; + } + } + + return(ptr); +} + +/*********************************************************************//** +Accepts a specified string. Comparisons are case-insensitive. +@return if string was accepted, the pointer is moved after that, else +ptr is returned */ +static +const char* +dict_accept( +/*========*/ + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scan from this */ + const char* string, /*!< in: accept only this string as the next + non-whitespace string */ + ibool* success)/*!< out: TRUE if accepted */ +{ + const char* old_ptr = ptr; + const char* old_ptr2; + + *success = FALSE; + + while (my_isspace(cs, *ptr)) { + ptr++; + } + + old_ptr2 = ptr; + + ptr = dict_scan_to(ptr, string); + + if (*ptr == '\0' || old_ptr2 != ptr) { + return(old_ptr); + } + + *success = TRUE; + + return(ptr + ut_strlen(string)); +} + +/*********************************************************************//** +Scans an id. For the lexical definition of an 'id', see the code below. +Strips backquotes or double quotes from around the id. +@return scanned to */ +static +const char* +dict_scan_id( +/*=========*/ + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + mem_heap_t* heap, /*!< in: heap where to allocate the id + (NULL=id will not be allocated, but it + will point to string near ptr) */ + const char** id, /*!< out,own: the id; NULL if no id was + scannable */ + ibool table_id,/*!< in: TRUE=convert the allocated id + as a table name; FALSE=convert to UTF-8 */ + ibool accept_also_dot) + /*!< in: TRUE if also a dot can appear in a + non-quoted id; in a quoted id it can appear + always */ +{ + char quote = '\0'; + ulint len = 0; + const char* s; + char* str; + char* dst; + + *id = NULL; + + while (my_isspace(cs, *ptr)) { + ptr++; + } + + if (*ptr == '\0') { + + return(ptr); + } + + if (*ptr == '`' || *ptr == '"') { + quote = *ptr++; + } + + s = ptr; + + if (quote) { + for (;;) { + if (!*ptr) { + /* Syntax error */ + return(ptr); + } + if (*ptr == quote) { + ptr++; + if (*ptr != quote) { + break; + } + } + ptr++; + len++; + } + } else { + while (!my_isspace(cs, *ptr) && *ptr != '(' && *ptr != ')' + && (accept_also_dot || *ptr != '.') + && *ptr != ',' && *ptr != '\0') { + + ptr++; + } + + len = ptr - s; + } + + if (UNIV_UNLIKELY(!heap)) { + /* no heap given: id will point to source string */ + *id = s; + return(ptr); + } + + if (quote) { + char* d; + str = d = mem_heap_alloc(heap, len + 1); + while (len--) { + if ((*d++ = *s++) == quote) { + s++; + } + } + *d++ = 0; + len = d - str; + ut_ad(*s == quote); + ut_ad(s + 1 == ptr); + } else { + str = mem_heap_strdupl(heap, s, len); + } + + if (!table_id) { +convert_id: + /* Convert the identifier from connection character set + to UTF-8. */ + len = 3 * len + 1; + *id = dst = mem_heap_alloc(heap, len); + + innobase_convert_from_id(cs, dst, str, len); + } else if (!strncmp(str, srv_mysql50_table_name_prefix, + sizeof srv_mysql50_table_name_prefix)) { + /* This is a pre-5.1 table name + containing chars other than [A-Za-z0-9]. + Discard the prefix and use raw UTF-8 encoding. */ + str += sizeof srv_mysql50_table_name_prefix; + len -= sizeof srv_mysql50_table_name_prefix; + goto convert_id; + } else { + /* Encode using filename-safe characters. */ + len = 5 * len + 1; + *id = dst = mem_heap_alloc(heap, len); + + innobase_convert_from_table_id(cs, dst, str, len); + } + + return(ptr); +} + +/*********************************************************************//** +Tries to scan a column name. +@return scanned to */ +static +const char* +dict_scan_col( +/*==========*/ + struct charset_info_st* cs, /*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + ibool* success,/*!< out: TRUE if success */ + dict_table_t* table, /*!< in: table in which the column is */ + const dict_col_t** column, /*!< out: pointer to column if success */ + mem_heap_t* heap, /*!< in: heap where to allocate */ + const char** name) /*!< out,own: the column name; + NULL if no name was scannable */ +{ + ulint i; + + *success = FALSE; + + ptr = dict_scan_id(cs, ptr, heap, name, FALSE, TRUE); + + if (*name == NULL) { + + return(ptr); /* Syntax error */ + } + + if (table == NULL) { + *success = TRUE; + *column = NULL; + } else { + for (i = 0; i < dict_table_get_n_cols(table); i++) { + + const char* col_name = dict_table_get_col_name( + table, i); + + if (0 == innobase_strcasecmp(col_name, *name)) { + /* Found */ + + *success = TRUE; + *column = dict_table_get_nth_col(table, i); + strcpy((char*) *name, col_name); + + break; + } + } + } + + return(ptr); +} + +/*********************************************************************//** +Scans a table name from an SQL string. +@return scanned to */ +static +const char* +dict_scan_table_name( +/*=================*/ + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + dict_table_t** table, /*!< out: table object or NULL */ + const char* name, /*!< in: foreign key table name */ + ibool* success,/*!< out: TRUE if ok name found */ + mem_heap_t* heap, /*!< in: heap where to allocate the id */ + const char** ref_name)/*!< out,own: the table name; + NULL if no name was scannable */ +{ + const char* database_name = NULL; + ulint database_name_len = 0; + const char* table_name = NULL; + ulint table_name_len; + const char* scan_name; + char* ref; + + *success = FALSE; + *table = NULL; + + ptr = dict_scan_id(cs, ptr, heap, &scan_name, TRUE, FALSE); + + if (scan_name == NULL) { + + return(ptr); /* Syntax error */ + } + + if (*ptr == '.') { + /* We scanned the database name; scan also the table name */ + + ptr++; + + database_name = scan_name; + database_name_len = strlen(database_name); + + ptr = dict_scan_id(cs, ptr, heap, &table_name, TRUE, FALSE); + + if (table_name == NULL) { + + return(ptr); /* Syntax error */ + } + } else { + /* To be able to read table dumps made with InnoDB-4.0.17 or + earlier, we must allow the dot separator between the database + name and the table name also to appear within a quoted + identifier! InnoDB used to print a constraint as: + ... REFERENCES `databasename.tablename` ... + starting from 4.0.18 it is + ... REFERENCES `databasename`.`tablename` ... */ + const char* s; + + for (s = scan_name; *s; s++) { + if (*s == '.') { + database_name = scan_name; + database_name_len = s - scan_name; + scan_name = ++s; + break;/* to do: multiple dots? */ + } + } + + table_name = scan_name; + } + + if (database_name == NULL) { + /* Use the database name of the foreign key table */ + + database_name = name; + database_name_len = dict_get_db_name_len(name); + } + + table_name_len = strlen(table_name); + + /* Copy database_name, '/', table_name, '\0' */ + ref = mem_heap_alloc(heap, database_name_len + table_name_len + 2); + memcpy(ref, database_name, database_name_len); + ref[database_name_len] = '/'; + memcpy(ref + database_name_len + 1, table_name, table_name_len + 1); +#ifndef __WIN__ + if (srv_lower_case_table_names) { +#endif /* !__WIN__ */ + /* The table name is always put to lower case on Windows. */ + innobase_casedn_str(ref); +#ifndef __WIN__ + } +#endif /* !__WIN__ */ + + *success = TRUE; + *ref_name = ref; + *table = dict_table_get_low(ref); + + return(ptr); +} + +/*********************************************************************//** +Skips one id. The id is allowed to contain also '.'. +@return scanned to */ +static +const char* +dict_skip_word( +/*===========*/ + struct charset_info_st* cs,/*!< in: the character set of ptr */ + const char* ptr, /*!< in: scanned to */ + ibool* success)/*!< out: TRUE if success, FALSE if just spaces + left in string or a syntax error */ +{ + const char* start; + + *success = FALSE; + + ptr = dict_scan_id(cs, ptr, NULL, &start, FALSE, TRUE); + + if (start) { + *success = TRUE; + } + + return(ptr); +} + +/*********************************************************************//** +Removes MySQL comments from an SQL string. A comment is either +(a) '#' to the end of the line, +(b) '--[space]' to the end of the line, or +(c) '[slash][asterisk]' till the next '[asterisk][slash]' (like the familiar +C comment syntax). +@return own: SQL string stripped from comments; the caller must free +this with mem_free()! */ +static +char* +dict_strip_comments( +/*================*/ + const char* sql_string) /*!< in: SQL string */ +{ + char* str; + const char* sptr; + char* ptr; + /* unclosed quote character (0 if none) */ + char quote = 0; + + str = mem_alloc(strlen(sql_string) + 1); + + sptr = sql_string; + ptr = str; + + for (;;) { +scan_more: + if (*sptr == '\0') { + *ptr = '\0'; + + ut_a(ptr <= str + strlen(sql_string)); + + return(str); + } + + if (*sptr == quote) { + /* Closing quote character: do not look for + starting quote or comments. */ + quote = 0; + } else if (quote) { + /* Within quotes: do not look for + starting quotes or comments. */ + } else if (*sptr == '"' || *sptr == '`' || *sptr == '\'') { + /* Starting quote: remember the quote character. */ + quote = *sptr; + } else if (*sptr == '#' + || (sptr[0] == '-' && sptr[1] == '-' + && sptr[2] == ' ')) { + for (;;) { + /* In Unix a newline is 0x0A while in Windows + it is 0x0D followed by 0x0A */ + + if (*sptr == (char)0x0A + || *sptr == (char)0x0D + || *sptr == '\0') { + + goto scan_more; + } + + sptr++; + } + } else if (!quote && *sptr == '/' && *(sptr + 1) == '*') { + for (;;) { + if (*sptr == '*' && *(sptr + 1) == '/') { + + sptr += 2; + + goto scan_more; + } + + if (*sptr == '\0') { + + goto scan_more; + } + + sptr++; + } + } + + *ptr = *sptr; + + ptr++; + sptr++; + } +} + +/*********************************************************************//** +Finds the highest [number] for foreign key constraints of the table. Looks +only at the >= 4.0.18-format id's, which are of the form +databasename/tablename_ibfk_[number]. +@return highest number, 0 if table has no new format foreign key constraints */ +static +ulint +dict_table_get_highest_foreign_id( +/*==============================*/ + dict_table_t* table) /*!< in: table in the dictionary memory cache */ +{ + dict_foreign_t* foreign; + char* endp; + ulint biggest_id = 0; + ulint id; + ulint len; + + ut_a(table); + + len = ut_strlen(table->name); + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign) { + if (ut_strlen(foreign->id) > ((sizeof dict_ibfk) - 1) + len + && 0 == ut_memcmp(foreign->id, table->name, len) + && 0 == ut_memcmp(foreign->id + len, + dict_ibfk, (sizeof dict_ibfk) - 1) + && foreign->id[len + ((sizeof dict_ibfk) - 1)] != '0') { + /* It is of the >= 4.0.18 format */ + + id = strtoul(foreign->id + len + + ((sizeof dict_ibfk) - 1), + &endp, 10); + if (*endp == '\0') { + ut_a(id != biggest_id); + + if (id > biggest_id) { + biggest_id = id; + } + } + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + return(biggest_id); +} + +/*********************************************************************//** +Reports a simple foreign key create clause syntax error. */ +static +void +dict_foreign_report_syntax_err( +/*===========================*/ + const char* name, /*!< in: table name */ + const char* start_of_latest_foreign, + /*!< in: start of the foreign key clause + in the SQL string */ + const char* ptr) /*!< in: place of the syntax error */ +{ + FILE* ef = dict_foreign_err_file; + + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\nSyntax error close to:\n%s\n", + start_of_latest_foreign, ptr); + mutex_exit(&dict_foreign_err_mutex); +} + +/*********************************************************************//** +Scans a table create SQL string and adds to the data dictionary the foreign +key constraints declared in the string. This function should be called after +the indexes for a table have been created. Each foreign key constraint must +be accompanied with indexes in both participating tables. The indexes are +allowed to contain more fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ +static +ulint +dict_create_foreign_constraints_low( +/*================================*/ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap */ + struct charset_info_st* cs,/*!< in: the character set of sql_string */ + const char* sql_string, + /*!< in: CREATE TABLE or ALTER TABLE statement + where foreign keys are declared like: + FOREIGN KEY (a, b) REFERENCES table2(c, d), + table2 can be written also with the database + name before it: test.table2; the default + database is the database of parameter name */ + const char* name, /*!< in: table full name in the normalized form + database_name/table_name */ + ibool reject_fks) + /*!< in: if TRUE, fail with error code + DB_CANNOT_ADD_CONSTRAINT if any foreign + keys are found. */ +{ + dict_table_t* table; + dict_table_t* referenced_table; + dict_table_t* table_to_alter; + ulint highest_id_so_far = 0; + dict_index_t* index; + dict_foreign_t* foreign; + const char* ptr = sql_string; + const char* start_of_latest_foreign = sql_string; + FILE* ef = dict_foreign_err_file; + const char* constraint_name; + ibool success; + ulint error; + const char* ptr1; + const char* ptr2; + ulint i; + ulint j; + ibool is_on_delete; + ulint n_on_deletes; + ulint n_on_updates; + const dict_col_t*columns[500]; + const char* column_names[500]; + const char* referenced_table_name; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + table = dict_table_get_low(name); + + if (table == NULL) { + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, + "Cannot find the table in the internal" + " data dictionary of InnoDB.\n" + "Create table statement:\n%s\n", sql_string); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_ERROR); + } + + /* First check if we are actually doing an ALTER TABLE, and in that + case look for the table being altered */ + + ptr = dict_accept(cs, ptr, "ALTER", &success); + + if (!success) { + + goto loop; + } + + ptr = dict_accept(cs, ptr, "TABLE", &success); + + if (!success) { + + goto loop; + } + + /* We are doing an ALTER TABLE: scan the table name we are altering */ + + ptr = dict_scan_table_name(cs, ptr, &table_to_alter, name, + &success, heap, &referenced_table_name); + if (!success) { + fprintf(stderr, + "InnoDB: Error: could not find" + " the table being ALTERED in:\n%s\n", + sql_string); + + return(DB_ERROR); + } + + /* Starting from 4.0.18 and 4.1.2, we generate foreign key id's in the + format databasename/tablename_ibfk_[number], where [number] is local + to the table; look for the highest [number] for table_to_alter, so + that we can assign to new constraints higher numbers. */ + + /* If we are altering a temporary table, the table name after ALTER + TABLE does not correspond to the internal table name, and + table_to_alter is NULL. TODO: should we fix this somehow? */ + + if (table_to_alter == NULL) { + highest_id_so_far = 0; + } else { + highest_id_so_far = dict_table_get_highest_foreign_id( + table_to_alter); + } + + /* Scan for foreign key declarations in a loop */ +loop: + /* Scan either to "CONSTRAINT" or "FOREIGN", whichever is closer */ + + ptr1 = dict_scan_to(ptr, "CONSTRAINT"); + ptr2 = dict_scan_to(ptr, "FOREIGN"); + + constraint_name = NULL; + + if (ptr1 < ptr2) { + /* The user may have specified a constraint name. Pick it so + that we can store 'databasename/constraintname' as the id of + of the constraint to system tables. */ + ptr = ptr1; + + ptr = dict_accept(cs, ptr, "CONSTRAINT", &success); + + ut_a(success); + + if (!my_isspace(cs, *ptr) && *ptr != '"' && *ptr != '`') { + goto loop; + } + + while (my_isspace(cs, *ptr)) { + ptr++; + } + + /* read constraint name unless got "CONSTRAINT FOREIGN" */ + if (ptr != ptr2) { + ptr = dict_scan_id(cs, ptr, heap, + &constraint_name, FALSE, FALSE); + } + } else { + ptr = ptr2; + } + + if (*ptr == '\0') { + /* The proper way to reject foreign keys for temporary + tables would be to split the lexing and syntactical + analysis of foreign key clauses from the actual adding + of them, so that ha_innodb.cc could first parse the SQL + command, determine if there are any foreign keys, and + if so, immediately reject the command if the table is a + temporary one. For now, this kludge will work. */ + if (reject_fks && (UT_LIST_GET_LEN(table->foreign_list) > 0)) { + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + /**********************************************************/ + /* The following call adds the foreign key constraints + to the data dictionary system tables on disk */ + + error = dict_create_add_foreigns_to_dictionary( + highest_id_so_far, table, trx); + return(error); + } + + start_of_latest_foreign = ptr; + + ptr = dict_accept(cs, ptr, "FOREIGN", &success); + + if (!success) { + goto loop; + } + + if (!my_isspace(cs, *ptr)) { + goto loop; + } + + ptr = dict_accept(cs, ptr, "KEY", &success); + + if (!success) { + goto loop; + } + + ptr = dict_accept(cs, ptr, "(", &success); + + if (!success) { + /* MySQL allows also an index id before the '('; we + skip it */ + ptr = dict_skip_word(cs, ptr, &success); + + if (!success) { + dict_foreign_report_syntax_err( + name, start_of_latest_foreign, ptr); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + ptr = dict_accept(cs, ptr, "(", &success); + + if (!success) { + /* We do not flag a syntax error here because in an + ALTER TABLE we may also have DROP FOREIGN KEY abc */ + + goto loop; + } + } + + i = 0; + + /* Scan the columns in the first list */ +col_loop1: + ut_a(i < (sizeof column_names) / sizeof *column_names); + ptr = dict_scan_col(cs, ptr, &success, table, columns + i, + heap, column_names + i); + if (!success) { + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\nCannot resolve column name close to:\n%s\n", + start_of_latest_foreign, ptr); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + i++; + + ptr = dict_accept(cs, ptr, ",", &success); + + if (success) { + goto col_loop1; + } + + ptr = dict_accept(cs, ptr, ")", &success); + + if (!success) { + dict_foreign_report_syntax_err( + name, start_of_latest_foreign, ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + /* Try to find an index which contains the columns + as the first fields and in the right order */ + + index = dict_foreign_find_index(table, column_names, i, + NULL, TRUE, FALSE); + + if (!index) { + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fputs("There is no index in table ", ef); + ut_print_name(ef, NULL, TRUE, name); + fprintf(ef, " where the columns appear\n" + "as the first columns. Constraint:\n%s\n" + "See " REFMAN "innodb-foreign-key-constraints.html\n" + "for correct foreign key definition.\n", + start_of_latest_foreign); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + ptr = dict_accept(cs, ptr, "REFERENCES", &success); + + if (!success || !my_isspace(cs, *ptr)) { + dict_foreign_report_syntax_err( + name, start_of_latest_foreign, ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + /* Let us create a constraint struct */ + + foreign = dict_mem_foreign_create(); + + if (constraint_name) { + ulint db_len; + + /* Catenate 'databasename/' to the constraint name specified + by the user: we conceive the constraint as belonging to the + same MySQL 'database' as the table itself. We store the name + to foreign->id. */ + + db_len = dict_get_db_name_len(table->name); + + foreign->id = mem_heap_alloc( + foreign->heap, db_len + strlen(constraint_name) + 2); + + ut_memcpy(foreign->id, table->name, db_len); + foreign->id[db_len] = '/'; + strcpy(foreign->id + db_len + 1, constraint_name); + } + + foreign->foreign_table = table; + foreign->foreign_table_name = mem_heap_strdup(foreign->heap, + table->name); + foreign->foreign_index = index; + foreign->n_fields = (unsigned int) i; + foreign->foreign_col_names = mem_heap_alloc(foreign->heap, + i * sizeof(void*)); + for (i = 0; i < foreign->n_fields; i++) { + foreign->foreign_col_names[i] = mem_heap_strdup( + foreign->heap, + dict_table_get_col_name(table, + dict_col_get_no(columns[i]))); + } + + ptr = dict_scan_table_name(cs, ptr, &referenced_table, name, + &success, heap, &referenced_table_name); + + /* Note that referenced_table can be NULL if the user has suppressed + checking of foreign key constraints! */ + + if (!success || (!referenced_table && trx->check_foreigns)) { + dict_foreign_free(foreign); + + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\nCannot resolve table name close to:\n" + "%s\n", + start_of_latest_foreign, ptr); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + ptr = dict_accept(cs, ptr, "(", &success); + + if (!success) { + dict_foreign_free(foreign); + dict_foreign_report_syntax_err(name, start_of_latest_foreign, + ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + /* Scan the columns in the second list */ + i = 0; + +col_loop2: + ptr = dict_scan_col(cs, ptr, &success, referenced_table, columns + i, + heap, column_names + i); + i++; + + if (!success) { + dict_foreign_free(foreign); + + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\nCannot resolve column name close to:\n" + "%s\n", + start_of_latest_foreign, ptr); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + ptr = dict_accept(cs, ptr, ",", &success); + + if (success) { + goto col_loop2; + } + + ptr = dict_accept(cs, ptr, ")", &success); + + if (!success || foreign->n_fields != i) { + dict_foreign_free(foreign); + + dict_foreign_report_syntax_err(name, start_of_latest_foreign, + ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + n_on_deletes = 0; + n_on_updates = 0; + +scan_on_conditions: + /* Loop here as long as we can find ON ... conditions */ + + ptr = dict_accept(cs, ptr, "ON", &success); + + if (!success) { + + goto try_find_index; + } + + ptr = dict_accept(cs, ptr, "DELETE", &success); + + if (!success) { + ptr = dict_accept(cs, ptr, "UPDATE", &success); + + if (!success) { + dict_foreign_free(foreign); + + dict_foreign_report_syntax_err( + name, start_of_latest_foreign, ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + is_on_delete = FALSE; + n_on_updates++; + } else { + is_on_delete = TRUE; + n_on_deletes++; + } + + ptr = dict_accept(cs, ptr, "RESTRICT", &success); + + if (success) { + goto scan_on_conditions; + } + + ptr = dict_accept(cs, ptr, "CASCADE", &success); + + if (success) { + if (is_on_delete) { + foreign->type |= DICT_FOREIGN_ON_DELETE_CASCADE; + } else { + foreign->type |= DICT_FOREIGN_ON_UPDATE_CASCADE; + } + + goto scan_on_conditions; + } + + ptr = dict_accept(cs, ptr, "NO", &success); + + if (success) { + ptr = dict_accept(cs, ptr, "ACTION", &success); + + if (!success) { + dict_foreign_free(foreign); + dict_foreign_report_syntax_err( + name, start_of_latest_foreign, ptr); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + if (is_on_delete) { + foreign->type |= DICT_FOREIGN_ON_DELETE_NO_ACTION; + } else { + foreign->type |= DICT_FOREIGN_ON_UPDATE_NO_ACTION; + } + + goto scan_on_conditions; + } + + ptr = dict_accept(cs, ptr, "SET", &success); + + if (!success) { + dict_foreign_free(foreign); + dict_foreign_report_syntax_err(name, start_of_latest_foreign, + ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + ptr = dict_accept(cs, ptr, "NULL", &success); + + if (!success) { + dict_foreign_free(foreign); + dict_foreign_report_syntax_err(name, start_of_latest_foreign, + ptr); + return(DB_CANNOT_ADD_CONSTRAINT); + } + + for (j = 0; j < foreign->n_fields; j++) { + if ((dict_index_get_nth_col(foreign->foreign_index, j)->prtype) + & DATA_NOT_NULL) { + + /* It is not sensible to define SET NULL + if the column is not allowed to be NULL! */ + + dict_foreign_free(foreign); + + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\n" + "You have defined a SET NULL condition" + " though some of the\n" + "columns are defined as NOT NULL.\n", + start_of_latest_foreign); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + } + + if (is_on_delete) { + foreign->type |= DICT_FOREIGN_ON_DELETE_SET_NULL; + } else { + foreign->type |= DICT_FOREIGN_ON_UPDATE_SET_NULL; + } + + goto scan_on_conditions; + +try_find_index: + if (n_on_deletes > 1 || n_on_updates > 1) { + /* It is an error to define more than 1 action */ + + dict_foreign_free(foreign); + + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\n" + "You have twice an ON DELETE clause" + " or twice an ON UPDATE clause.\n", + start_of_latest_foreign); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + + /* Try to find an index which contains the columns as the first fields + and in the right order, and the types are the same as in + foreign->foreign_index */ + + if (referenced_table) { + index = dict_foreign_find_index(referenced_table, + column_names, i, + foreign->foreign_index, + TRUE, FALSE); + if (!index) { + dict_foreign_free(foreign); + mutex_enter(&dict_foreign_err_mutex); + dict_foreign_error_report_low(ef, name); + fprintf(ef, "%s:\n" + "Cannot find an index in the" + " referenced table where the\n" + "referenced columns appear as the" + " first columns, or column types\n" + "in the table and the referenced table" + " do not match for constraint.\n" + "Note that the internal storage type of" + " ENUM and SET changed in\n" + "tables created with >= InnoDB-4.1.12," + " and such columns in old tables\n" + "cannot be referenced by such columns" + " in new tables.\n" + "See " REFMAN + "innodb-foreign-key-constraints.html\n" + "for correct foreign key definition.\n", + start_of_latest_foreign); + mutex_exit(&dict_foreign_err_mutex); + + return(DB_CANNOT_ADD_CONSTRAINT); + } + } else { + ut_a(trx->check_foreigns == FALSE); + index = NULL; + } + + foreign->referenced_index = index; + foreign->referenced_table = referenced_table; + + foreign->referenced_table_name + = mem_heap_strdup(foreign->heap, referenced_table_name); + + foreign->referenced_col_names = mem_heap_alloc(foreign->heap, + i * sizeof(void*)); + for (i = 0; i < foreign->n_fields; i++) { + foreign->referenced_col_names[i] + = mem_heap_strdup(foreign->heap, column_names[i]); + } + + /* We found an ok constraint definition: add to the lists */ + + UT_LIST_ADD_LAST(foreign_list, table->foreign_list, foreign); + + if (referenced_table) { + UT_LIST_ADD_LAST(referenced_list, + referenced_table->referenced_list, + foreign); + } + + goto loop; +} + +/*********************************************************************//** +Scans a table create SQL string and adds to the data dictionary the foreign +key constraints declared in the string. This function should be called after +the indexes for a table have been created. Each foreign key constraint must +be accompanied with indexes in both participating tables. The indexes are +allowed to contain more fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +dict_create_foreign_constraints( +/*============================*/ + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where + foreign keys are declared like: + FOREIGN KEY (a, b) REFERENCES + table2(c, d), table2 can be written + also with the database + name before it: test.table2; the + default database id the database of + parameter name */ + const char* name, /*!< in: table full name in the + normalized form + database_name/table_name */ + ibool reject_fks) /*!< in: if TRUE, fail with error + code DB_CANNOT_ADD_CONSTRAINT if + any foreign keys are found. */ +{ + char* str; + ulint err; + mem_heap_t* heap; + + ut_a(trx); + ut_a(trx->mysql_thd); + + str = dict_strip_comments(sql_string); + heap = mem_heap_create(10000); + + err = dict_create_foreign_constraints_low( + trx, heap, innobase_get_charset(trx->mysql_thd), str, name, + reject_fks); + + mem_heap_free(heap); + mem_free(str); + + return(err); +} + +/**********************************************************************//** +Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the +constraint id does not match */ +UNIV_INTERN +ulint +dict_foreign_parse_drop_constraints( +/*================================*/ + mem_heap_t* heap, /*!< in: heap from which we can + allocate memory */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + ulint* n, /*!< out: number of constraints + to drop */ + const char*** constraints_to_drop) /*!< out: id's of the + constraints to drop */ +{ + dict_foreign_t* foreign; + ibool success; + char* str; + const char* ptr; + const char* id; + FILE* ef = dict_foreign_err_file; + struct charset_info_st* cs; + + ut_a(trx); + ut_a(trx->mysql_thd); + + cs = innobase_get_charset(trx->mysql_thd); + + *n = 0; + + *constraints_to_drop = mem_heap_alloc(heap, 1000 * sizeof(char*)); + + str = dict_strip_comments(*(trx->mysql_query_str)); + ptr = str; + + ut_ad(mutex_own(&(dict_sys->mutex))); +loop: + ptr = dict_scan_to(ptr, "DROP"); + + if (*ptr == '\0') { + mem_free(str); + + return(DB_SUCCESS); + } + + ptr = dict_accept(cs, ptr, "DROP", &success); + + if (!my_isspace(cs, *ptr)) { + + goto loop; + } + + ptr = dict_accept(cs, ptr, "FOREIGN", &success); + + if (!success || !my_isspace(cs, *ptr)) { + + goto loop; + } + + ptr = dict_accept(cs, ptr, "KEY", &success); + + if (!success) { + + goto syntax_error; + } + + ptr = dict_scan_id(cs, ptr, heap, &id, FALSE, TRUE); + + if (id == NULL) { + + goto syntax_error; + } + + ut_a(*n < 1000); + (*constraints_to_drop)[*n] = id; + (*n)++; + + /* Look for the given constraint id */ + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign != NULL) { + if (0 == strcmp(foreign->id, id) + || (strchr(foreign->id, '/') + && 0 == strcmp(id, + dict_remove_db_name(foreign->id)))) { + /* Found */ + break; + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + if (foreign == NULL) { + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Error in dropping of a foreign key constraint" + " of table ", ef); + ut_print_name(ef, NULL, TRUE, table->name); + fputs(",\n" + "in SQL command\n", ef); + fputs(str, ef); + fputs("\nCannot find a constraint with the given id ", ef); + ut_print_name(ef, NULL, FALSE, id); + fputs(".\n", ef); + mutex_exit(&dict_foreign_err_mutex); + + mem_free(str); + + return(DB_CANNOT_DROP_CONSTRAINT); + } + + goto loop; + +syntax_error: + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Syntax error in dropping of a" + " foreign key constraint of table ", ef); + ut_print_name(ef, NULL, TRUE, table->name); + fprintf(ef, ",\n" + "close to:\n%s\n in SQL command\n%s\n", ptr, str); + mutex_exit(&dict_foreign_err_mutex); + + mem_free(str); + + return(DB_CANNOT_DROP_CONSTRAINT); +} + +/*==================== END OF FOREIGN KEY PROCESSING ====================*/ + +/**********************************************************************//** +Returns an index object if it is found in the dictionary cache. +Assumes that dict_sys->mutex is already being held. +@return index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_index_get_if_in_cache_low( +/*===========================*/ + dulint index_id) /*!< in: index id */ +{ + ut_ad(mutex_own(&(dict_sys->mutex))); + + return(dict_index_find_on_id_low(index_id)); +} + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Returns an index object if it is found in the dictionary cache. +@return index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_index_get_if_in_cache( +/*=======================*/ + dulint index_id) /*!< in: index id */ +{ + dict_index_t* index; + + if (dict_sys == NULL) { + return(NULL); + } + + mutex_enter(&(dict_sys->mutex)); + + index = dict_index_get_if_in_cache_low(index_id); + + mutex_exit(&(dict_sys->mutex)); + + return(index); +} +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Checks that a tuple has n_fields_cmp value in a sensible range, so that +no comparison can occur with the page number field in a node pointer. +@return TRUE if ok */ +UNIV_INTERN +ibool +dict_index_check_search_tuple( +/*==========================*/ + const dict_index_t* index, /*!< in: index tree */ + const dtuple_t* tuple) /*!< in: tuple used in a search */ +{ + ut_a(index); + ut_a(dtuple_get_n_fields_cmp(tuple) + <= dict_index_get_n_unique_in_tree(index)); + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +/**********************************************************************//** +Builds a node pointer out of a physical record and a page number. +@return own: node pointer */ +UNIV_INTERN +dtuple_t* +dict_index_build_node_ptr( +/*======================*/ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to build node + pointer */ + ulint page_no,/*!< in: page number to put in node + pointer */ + mem_heap_t* heap, /*!< in: memory heap where pointer + created */ + ulint level) /*!< in: level of rec in tree: + 0 means leaf level */ +{ + dtuple_t* tuple; + dfield_t* field; + byte* buf; + ulint n_unique; + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + /* In a universal index tree, we take the whole record as + the node pointer if the record is on the leaf level, + on non-leaf levels we remove the last field, which + contains the page number of the child page */ + + ut_a(!dict_table_is_comp(index->table)); + n_unique = rec_get_n_fields_old(rec); + + if (level > 0) { + ut_a(n_unique > 1); + n_unique--; + } + } else { + n_unique = dict_index_get_n_unique_in_tree(index); + } + + tuple = dtuple_create(heap, n_unique + 1); + + /* When searching in the tree for the node pointer, we must not do + comparison on the last field, the page number field, as on upper + levels in the tree there may be identical node pointers with a + different page number; therefore, we set the n_fields_cmp to one + less: */ + + dtuple_set_n_fields_cmp(tuple, n_unique); + + dict_index_copy_types(tuple, index, n_unique); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, page_no); + + field = dtuple_get_nth_field(tuple, n_unique); + dfield_set_data(field, buf, 4); + + dtype_set(dfield_get_type(field), DATA_SYS_CHILD, DATA_NOT_NULL, 4); + + rec_copy_prefix_to_dtuple(tuple, rec, index, n_unique, heap); + dtuple_set_info_bits(tuple, dtuple_get_info_bits(tuple) + | REC_STATUS_NODE_PTR); + + ut_ad(dtuple_check_typed(tuple)); + + return(tuple); +} + +/**********************************************************************//** +Copies an initial segment of a physical record, long enough to specify an +index entry uniquely. +@return pointer to the prefix record */ +UNIV_INTERN +rec_t* +dict_index_copy_rec_order_prefix( +/*=============================*/ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to + copy prefix */ + ulint* n_fields,/*!< out: number of fields copied */ + byte** buf, /*!< in/out: memory buffer for the + copied prefix, or NULL */ + ulint* buf_size)/*!< in/out: buffer size */ +{ + ulint n; + + UNIV_PREFETCH_R(rec); + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + ut_a(!dict_table_is_comp(index->table)); + n = rec_get_n_fields_old(rec); + } else { + n = dict_index_get_n_unique_in_tree(index); + } + + *n_fields = n; + return(rec_copy_prefix_to_buf(rec, index, n, buf, buf_size)); +} + +/**********************************************************************//** +Builds a typed data tuple out of a physical record. +@return own: data tuple */ +UNIV_INTERN +dtuple_t* +dict_index_build_data_tuple( +/*========================*/ + dict_index_t* index, /*!< in: index tree */ + rec_t* rec, /*!< in: record for which to build data tuple */ + ulint n_fields,/*!< in: number of data fields */ + mem_heap_t* heap) /*!< in: memory heap where tuple created */ +{ + dtuple_t* tuple; + + ut_ad(dict_table_is_comp(index->table) + || n_fields <= rec_get_n_fields_old(rec)); + + tuple = dtuple_create(heap, n_fields); + + dict_index_copy_types(tuple, index, n_fields); + + rec_copy_prefix_to_dtuple(tuple, rec, index, n_fields, heap); + + ut_ad(dtuple_check_typed(tuple)); + + return(tuple); +} + +/*********************************************************************//** +Calculates the minimum record length in an index. */ +UNIV_INTERN +ulint +dict_index_calc_min_rec_len( +/*========================*/ + const dict_index_t* index) /*!< in: index */ +{ + ulint sum = 0; + ulint i; + ulint comp = dict_table_is_comp(index->table); + + if (comp) { + ulint nullable = 0; + sum = REC_N_NEW_EXTRA_BYTES; + for (i = 0; i < dict_index_get_n_fields(index); i++) { + const dict_col_t* col + = dict_index_get_nth_col(index, i); + ulint size = dict_col_get_fixed_size(col, comp); + sum += size; + if (!size) { + size = col->len; + sum += size < 128 ? 1 : 2; + } + if (!(col->prtype & DATA_NOT_NULL)) { + nullable++; + } + } + + /* round the NULL flags up to full bytes */ + sum += UT_BITS_IN_BYTES(nullable); + + return(sum); + } + + for (i = 0; i < dict_index_get_n_fields(index); i++) { + sum += dict_col_get_fixed_size( + dict_index_get_nth_col(index, i), comp); + } + + if (sum > 127) { + sum += 2 * dict_index_get_n_fields(index); + } else { + sum += dict_index_get_n_fields(index); + } + + sum += REC_N_OLD_EXTRA_BYTES; + + return(sum); +} + +/*********************************************************************//** +Calculates new estimates for table and index statistics. The statistics +are used in query optimization. */ +UNIV_INTERN +void +dict_update_statistics_low( +/*=======================*/ + dict_table_t* table, /*!< in/out: table */ + ibool has_dict_mutex __attribute__((unused))) + /*!< in: TRUE if the caller has the + dictionary mutex */ +{ + dict_index_t* index; + ulint size; + ulint sum_of_index_sizes = 0; + + if (table->ibd_file_missing) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: cannot calculate statistics for table %s\n" + "InnoDB: because the .ibd file is missing. For help," + " please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", + table->name); + + return; + } + + /* If we have set a high innodb_force_recovery level, do not calculate + statistics, as a badly corrupted index can cause a crash in it. */ + + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { + + return; + } + + /* Find out the sizes of the indexes and how many different values + for the key they approximately have */ + + index = dict_table_get_first_index(table); + + if (index == NULL) { + /* Table definition is corrupt */ + + return; + } + + while (index) { + size = btr_get_size(index, BTR_TOTAL_SIZE); + + index->stat_index_size = size; + + sum_of_index_sizes += size; + + size = btr_get_size(index, BTR_N_LEAF_PAGES); + + if (size == 0) { + /* The root node of the tree is a leaf */ + size = 1; + } + + index->stat_n_leaf_pages = size; + + btr_estimate_number_of_different_key_vals(index); + + index = dict_table_get_next_index(index); + } + + index = dict_table_get_first_index(table); + + table->stat_n_rows = index->stat_n_diff_key_vals[ + dict_index_get_n_unique(index)]; + + table->stat_clustered_index_size = index->stat_index_size; + + table->stat_sum_of_other_index_sizes = sum_of_index_sizes + - index->stat_index_size; + + table->stat_initialized = TRUE; + + table->stat_modified_counter = 0; +} + +/*********************************************************************//** +Calculates new estimates for table and index statistics. The statistics +are used in query optimization. */ +UNIV_INTERN +void +dict_update_statistics( +/*===================*/ + dict_table_t* table) /*!< in/out: table */ +{ + dict_update_statistics_low(table, FALSE); +} + +/**********************************************************************//** +Prints info of a foreign key constraint. */ +static +void +dict_foreign_print_low( +/*===================*/ + dict_foreign_t* foreign) /*!< in: foreign key constraint */ +{ + ulint i; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fprintf(stderr, " FOREIGN KEY CONSTRAINT %s: %s (", + foreign->id, foreign->foreign_table_name); + + for (i = 0; i < foreign->n_fields; i++) { + fprintf(stderr, " %s", foreign->foreign_col_names[i]); + } + + fprintf(stderr, " )\n" + " REFERENCES %s (", + foreign->referenced_table_name); + + for (i = 0; i < foreign->n_fields; i++) { + fprintf(stderr, " %s", foreign->referenced_col_names[i]); + } + + fputs(" )\n", stderr); +} + +/**********************************************************************//** +Prints a table data. */ +UNIV_INTERN +void +dict_table_print( +/*=============*/ + dict_table_t* table) /*!< in: table */ +{ + mutex_enter(&(dict_sys->mutex)); + dict_table_print_low(table); + mutex_exit(&(dict_sys->mutex)); +} + +/**********************************************************************//** +Prints a table data when we know the table name. */ +UNIV_INTERN +void +dict_table_print_by_name( +/*=====================*/ + const char* name) /*!< in: table name */ +{ + dict_table_t* table; + + mutex_enter(&(dict_sys->mutex)); + + table = dict_table_get_low(name); + + ut_a(table); + + dict_table_print_low(table); + mutex_exit(&(dict_sys->mutex)); +} + +/**********************************************************************//** +Prints a table data. */ +UNIV_INTERN +void +dict_table_print_low( +/*=================*/ + dict_table_t* table) /*!< in: table */ +{ + dict_index_t* index; + dict_foreign_t* foreign; + ulint i; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + dict_update_statistics_low(table, TRUE); + + fprintf(stderr, + "--------------------------------------\n" + "TABLE: name %s, id %lu %lu, flags %lx, columns %lu," + " indexes %lu, appr.rows %lu\n" + " COLUMNS: ", + table->name, + (ulong) ut_dulint_get_high(table->id), + (ulong) ut_dulint_get_low(table->id), + (ulong) table->flags, + (ulong) table->n_cols, + (ulong) UT_LIST_GET_LEN(table->indexes), + (ulong) table->stat_n_rows); + + for (i = 0; i < (ulint) table->n_cols; i++) { + dict_col_print_low(table, dict_table_get_nth_col(table, i)); + fputs("; ", stderr); + } + + putc('\n', stderr); + + index = UT_LIST_GET_FIRST(table->indexes); + + while (index != NULL) { + dict_index_print_low(index); + index = UT_LIST_GET_NEXT(indexes, index); + } + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign != NULL) { + dict_foreign_print_low(foreign); + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign != NULL) { + dict_foreign_print_low(foreign); + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } +} + +/**********************************************************************//** +Prints a column data. */ +static +void +dict_col_print_low( +/*===============*/ + const dict_table_t* table, /*!< in: table */ + const dict_col_t* col) /*!< in: column */ +{ + dtype_t type; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + dict_col_copy_type(col, &type); + fprintf(stderr, "%s: ", dict_table_get_col_name(table, + dict_col_get_no(col))); + + dtype_print(&type); +} + +/**********************************************************************//** +Prints an index data. */ +static +void +dict_index_print_low( +/*=================*/ + dict_index_t* index) /*!< in: index */ +{ + ib_int64_t n_vals; + ulint i; + const char* type_string; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + if (index->n_user_defined_cols > 0) { + n_vals = index->stat_n_diff_key_vals[ + index->n_user_defined_cols]; + } else { + n_vals = index->stat_n_diff_key_vals[1]; + } + + if (dict_index_is_clust(index)) { + type_string = "clustered index"; + } else if (dict_index_is_unique(index)) { + type_string = "unique index"; + } else { + type_string = "secondary index"; + } + + fprintf(stderr, + " INDEX: name %s, id %lu %lu, fields %lu/%lu," + " uniq %lu, type %lu\n" + " root page %lu, appr.key vals %lu," + " leaf pages %lu, size pages %lu\n" + " FIELDS: ", + index->name, + (ulong) ut_dulint_get_high(index->id), + (ulong) ut_dulint_get_low(index->id), + (ulong) index->n_user_defined_cols, + (ulong) index->n_fields, + (ulong) index->n_uniq, + (ulong) index->type, + (ulong) index->page, + (ulong) n_vals, + (ulong) index->stat_n_leaf_pages, + (ulong) index->stat_index_size); + + for (i = 0; i < index->n_fields; i++) { + dict_field_print_low(dict_index_get_nth_field(index, i)); + } + + putc('\n', stderr); + +#ifdef UNIV_BTR_PRINT + btr_print_size(index); + + btr_print_index(index, 7); +#endif /* UNIV_BTR_PRINT */ +} + +/**********************************************************************//** +Prints a field data. */ +static +void +dict_field_print_low( +/*=================*/ + const dict_field_t* field) /*!< in: field */ +{ + ut_ad(mutex_own(&(dict_sys->mutex))); + + fprintf(stderr, " %s", field->name); + + if (field->prefix_len != 0) { + fprintf(stderr, "(%lu)", (ulong) field->prefix_len); + } +} + +/**********************************************************************//** +Outputs info on a foreign key of a table in a format suitable for +CREATE TABLE. */ +UNIV_INTERN +void +dict_print_info_on_foreign_key_in_create_format( +/*============================================*/ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + ibool add_newline) /*!< in: whether to add a newline */ +{ + const char* stripped_id; + ulint i; + + if (strchr(foreign->id, '/')) { + /* Strip the preceding database name from the constraint id */ + stripped_id = foreign->id + 1 + + dict_get_db_name_len(foreign->id); + } else { + stripped_id = foreign->id; + } + + putc(',', file); + + if (add_newline) { + /* SHOW CREATE TABLE wants constraints each printed nicely + on its own line, while error messages want no newlines + inserted. */ + fputs("\n ", file); + } + + fputs(" CONSTRAINT ", file); + ut_print_name(file, trx, FALSE, stripped_id); + fputs(" FOREIGN KEY (", file); + + for (i = 0;;) { + ut_print_name(file, trx, FALSE, foreign->foreign_col_names[i]); + if (++i < foreign->n_fields) { + fputs(", ", file); + } else { + break; + } + } + + fputs(") REFERENCES ", file); + + if (dict_tables_have_same_db(foreign->foreign_table_name, + foreign->referenced_table_name)) { + /* Do not print the database name of the referenced table */ + ut_print_name(file, trx, TRUE, + dict_remove_db_name( + foreign->referenced_table_name)); + } else { + ut_print_name(file, trx, TRUE, + foreign->referenced_table_name); + } + + putc(' ', file); + putc('(', file); + + for (i = 0;;) { + ut_print_name(file, trx, FALSE, + foreign->referenced_col_names[i]); + if (++i < foreign->n_fields) { + fputs(", ", file); + } else { + break; + } + } + + putc(')', file); + + if (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE) { + fputs(" ON DELETE CASCADE", file); + } + + if (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL) { + fputs(" ON DELETE SET NULL", file); + } + + if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) { + fputs(" ON DELETE NO ACTION", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) { + fputs(" ON UPDATE CASCADE", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) { + fputs(" ON UPDATE SET NULL", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) { + fputs(" ON UPDATE NO ACTION", file); + } +} + +/**********************************************************************//** +Outputs info on foreign keys of a table. */ +UNIV_INTERN +void +dict_print_info_on_foreign_keys( +/*============================*/ + ibool create_table_format, /*!< in: if TRUE then print in + a format suitable to be inserted into + a CREATE TABLE, otherwise in the format + of SHOW TABLE STATUS */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table) /*!< in: table */ +{ + dict_foreign_t* foreign; + + mutex_enter(&(dict_sys->mutex)); + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + if (foreign == NULL) { + mutex_exit(&(dict_sys->mutex)); + + return; + } + + while (foreign != NULL) { + if (create_table_format) { + dict_print_info_on_foreign_key_in_create_format( + file, trx, foreign, TRUE); + } else { + ulint i; + fputs("; (", file); + + for (i = 0; i < foreign->n_fields; i++) { + if (i) { + putc(' ', file); + } + + ut_print_name(file, trx, FALSE, + foreign->foreign_col_names[i]); + } + + fputs(") REFER ", file); + ut_print_name(file, trx, TRUE, + foreign->referenced_table_name); + putc('(', file); + + for (i = 0; i < foreign->n_fields; i++) { + if (i) { + putc(' ', file); + } + ut_print_name( + file, trx, FALSE, + foreign->referenced_col_names[i]); + } + + putc(')', file); + + if (foreign->type == DICT_FOREIGN_ON_DELETE_CASCADE) { + fputs(" ON DELETE CASCADE", file); + } + + if (foreign->type == DICT_FOREIGN_ON_DELETE_SET_NULL) { + fputs(" ON DELETE SET NULL", file); + } + + if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) { + fputs(" ON DELETE NO ACTION", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) { + fputs(" ON UPDATE CASCADE", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) { + fputs(" ON UPDATE SET NULL", file); + } + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) { + fputs(" ON UPDATE NO ACTION", file); + } + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + mutex_exit(&(dict_sys->mutex)); +} + +/********************************************************************//** +Displays the names of the index and the table. */ +UNIV_INTERN +void +dict_index_name_print( +/*==================*/ + FILE* file, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index) /*!< in: index to print */ +{ + fputs("index ", file); + ut_print_name(file, trx, FALSE, index->name); + fputs(" of table ", file); + ut_print_name(file, trx, TRUE, index->table_name); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Inits dict_ind_redundant and dict_ind_compact. */ +UNIV_INTERN +void +dict_ind_init(void) +/*===============*/ +{ + dict_table_t* table; + + /* create dummy table and index for REDUNDANT infimum and supremum */ + table = dict_mem_table_create("SYS_DUMMY1", DICT_HDR_SPACE, 1, 0); + dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, + DATA_ENGLISH | DATA_NOT_NULL, 8); + + dict_ind_redundant = dict_mem_index_create("SYS_DUMMY1", "SYS_DUMMY1", + DICT_HDR_SPACE, 0, 1); + dict_index_add_col(dict_ind_redundant, table, + dict_table_get_nth_col(table, 0), 0); + dict_ind_redundant->table = table; + /* create dummy table and index for COMPACT infimum and supremum */ + table = dict_mem_table_create("SYS_DUMMY2", + DICT_HDR_SPACE, 1, DICT_TF_COMPACT); + dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, + DATA_ENGLISH | DATA_NOT_NULL, 8); + dict_ind_compact = dict_mem_index_create("SYS_DUMMY2", "SYS_DUMMY2", + DICT_HDR_SPACE, 0, 1); + dict_index_add_col(dict_ind_compact, table, + dict_table_get_nth_col(table, 0), 0); + dict_ind_compact->table = table; + + /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ + dict_ind_redundant->cached = dict_ind_compact->cached = TRUE; +} + +/**********************************************************************//** +Frees dict_ind_redundant and dict_ind_compact. */ +static +void +dict_ind_free(void) +/*===============*/ +{ + dict_table_t* table; + + table = dict_ind_compact->table; + dict_mem_index_free(dict_ind_compact); + dict_ind_compact = NULL; + dict_mem_table_free(table); + + table = dict_ind_redundant->table; + dict_mem_index_free(dict_ind_redundant); + dict_ind_redundant = NULL; + dict_mem_table_free(table); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Get index by name +@return index, NULL if does not exist */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_on_name( +/*=========================*/ + dict_table_t* table, /*!< in: table */ + const char* name) /*!< in: name of the index to find */ +{ + dict_index_t* index; + + index = dict_table_get_first_index(table); + + while (index != NULL) { + if (ut_strcmp(index->name, name) == 0) { + + return(index); + } + + index = dict_table_get_next_index(index); + } + + return(NULL); + +} + +/**********************************************************************//** +Replace the index passed in with another equivalent index in the tables +foreign key list. */ +UNIV_INTERN +void +dict_table_replace_index_in_foreign_list( +/*=====================================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index) /*!< in: index to be replaced */ +{ + dict_foreign_t* foreign; + + for (foreign = UT_LIST_GET_FIRST(table->foreign_list); + foreign; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { + + if (foreign->foreign_index == index) { + dict_index_t* new_index + = dict_foreign_find_equiv_index(foreign); + ut_a(new_index); + + foreign->foreign_index = new_index; + } + } +} + +/**********************************************************************//** +In case there is more than one index with the same name return the index +with the min(id). +@return index, NULL if does not exist */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_on_name_and_min_id( +/*=====================================*/ + dict_table_t* table, /*!< in: table */ + const char* name) /*!< in: name of the index to find */ +{ + dict_index_t* index; + dict_index_t* min_index; /* Index with matching name and min(id) */ + + min_index = NULL; + index = dict_table_get_first_index(table); + + while (index != NULL) { + if (ut_strcmp(index->name, name) == 0) { + if (!min_index + || ut_dulint_cmp(index->id, min_index->id) < 0) { + + min_index = index; + } + } + + index = dict_table_get_next_index(index); + } + + return(min_index); + +} + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Check for duplicate index entries in a table [using the index name] */ +UNIV_INTERN +void +dict_table_check_for_dup_indexes( +/*=============================*/ + const dict_table_t* table) /*!< in: Check for dup indexes + in this table */ +{ + /* Check for duplicates, ignoring indexes that are marked + as to be dropped */ + + const dict_index_t* index1; + const dict_index_t* index2; + + ut_ad(mutex_own(&dict_sys->mutex)); + + /* The primary index _must_ exist */ + ut_a(UT_LIST_GET_LEN(table->indexes) > 0); + + index1 = UT_LIST_GET_FIRST(table->indexes); + index2 = UT_LIST_GET_NEXT(indexes, index1); + + while (index1 && index2) { + + while (index2) { + + if (!index2->to_be_dropped) { + ut_ad(ut_strcmp(index1->name, index2->name)); + } + + index2 = UT_LIST_GET_NEXT(indexes, index2); + } + + index1 = UT_LIST_GET_NEXT(indexes, index1); + index2 = UT_LIST_GET_NEXT(indexes, index1); + } +} +#endif /* UNIV_DEBUG */ + +/************************************************************************** +Closes the data dictionary module. */ +UNIV_INTERN +void +dict_close(void) +/*============*/ +{ + ulint i; + + /* Free the hash elements. We don't remove them from the table + because we are going to destroy the table anyway. */ + for (i = 0; i < hash_get_n_cells(dict_sys->table_hash); i++) { + dict_table_t* table; + + table = HASH_GET_FIRST(dict_sys->table_hash, i); + + while (table) { + dict_table_t* prev_table = table; + + table = HASH_GET_NEXT(name_hash, prev_table); +#ifdef UNIV_DEBUG + ut_a(prev_table->magic_n == DICT_TABLE_MAGIC_N); +#endif + /* Acquire only because it's a pre-condition. */ + mutex_enter(&dict_sys->mutex); + + dict_table_remove_from_cache(prev_table); + + mutex_exit(&dict_sys->mutex); + } + } + + hash_table_free(dict_sys->table_hash); + + /* The elements are the same instance as in dict_sys->table_hash, + therefore we don't delete the individual elements. */ + hash_table_free(dict_sys->table_id_hash); + + dict_ind_free(); + + mutex_free(&dict_sys->mutex); + + rw_lock_free(&dict_operation_lock); + memset(&dict_operation_lock, 0x0, sizeof(dict_operation_lock)); + + mutex_free(&dict_foreign_err_mutex); + + mem_free(dict_sys); + dict_sys = NULL; +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/dict/dict0load.c b/perfschema/dict/dict0load.c new file mode 100644 index 00000000000..377818308c5 --- /dev/null +++ b/perfschema/dict/dict0load.c @@ -0,0 +1,1499 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file dict/dict0load.c +Loads to the memory cache database object definitions +from dictionary tables + +Created 4/24/1996 Heikki Tuuri +*******************************************************/ + +#include "dict0load.h" +#include "mysql_version.h" + +#ifdef UNIV_NONINL +#include "dict0load.ic" +#endif + +#include "btr0pcur.h" +#include "btr0btr.h" +#include "page0page.h" +#include "mach0data.h" +#include "dict0dict.h" +#include "dict0boot.h" +#include "rem0cmp.h" +#include "srv0start.h" +#include "srv0srv.h" + +/****************************************************************//** +Compare the name of an index column. +@return TRUE if the i'th column of index is 'name'. */ +static +ibool +name_of_col_is( +/*===========*/ + const dict_table_t* table, /*!< in: table */ + const dict_index_t* index, /*!< in: index */ + ulint i, /*!< in: index field offset */ + const char* name) /*!< in: name to compare to */ +{ + ulint tmp = dict_col_get_no(dict_field_get_col( + dict_index_get_nth_field( + index, i))); + + return(strcmp(name, dict_table_get_col_name(table, tmp)) == 0); +} + +/********************************************************************//** +Finds the first table name in the given database. +@return own: table name, NULL if does not exist; the caller must free +the memory in the string! */ +UNIV_INTERN +char* +dict_get_first_table_name_in_db( +/*============================*/ + const char* name) /*!< in: database name which ends in '/' */ +{ + dict_table_t* sys_tables; + btr_pcur_t pcur; + dict_index_t* sys_index; + dtuple_t* tuple; + mem_heap_t* heap; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + heap = mem_heap_create(1000); + + mtr_start(&mtr); + + sys_tables = dict_table_get_low("SYS_TABLES"); + sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); + ut_a(!dict_table_is_comp(sys_tables)); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(dfield, name, ut_strlen(name)); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); +loop: + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + /* Not found */ + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(NULL); + } + + field = rec_get_nth_field_old(rec, 0, &len); + + if (len < strlen(name) + || ut_memcmp(name, field, strlen(name)) != 0) { + /* Not found */ + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(NULL); + } + + if (!rec_get_deleted_flag(rec, 0)) { + + /* We found one */ + + char* table_name = mem_strdupl((char*) field, len); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(table_name); + } + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + goto loop; +} + +/********************************************************************//** +Prints to the standard output information on all tables found in the data +dictionary system table. */ +UNIV_INTERN +void +dict_print(void) +/*============*/ +{ + dict_table_t* sys_tables; + dict_index_t* sys_index; + dict_table_t* table; + btr_pcur_t pcur; + const rec_t* rec; + const byte* field; + ulint len; + mtr_t mtr; + + /* Enlarge the fatal semaphore wait timeout during the InnoDB table + monitor printout */ + + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + mutex_enter(&(dict_sys->mutex)); + + mtr_start(&mtr); + + sys_tables = dict_table_get_low("SYS_TABLES"); + sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); + + btr_pcur_open_at_index_side(TRUE, sys_index, BTR_SEARCH_LEAF, &pcur, + TRUE, &mtr); +loop: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + /* end of index */ + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + mutex_exit(&(dict_sys->mutex)); + + /* Restore the fatal semaphore wait timeout */ + + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + return; + } + + field = rec_get_nth_field_old(rec, 0, &len); + + if (!rec_get_deleted_flag(rec, 0)) { + + /* We found one */ + + char* table_name = mem_strdupl((char*) field, len); + + btr_pcur_store_position(&pcur, &mtr); + + mtr_commit(&mtr); + + table = dict_table_get_low(table_name); + mem_free(table_name); + + if (table == NULL) { + fputs("InnoDB: Failed to load table ", stderr); + ut_print_namel(stderr, NULL, TRUE, (char*) field, len); + putc('\n', stderr); + } else { + /* The table definition was corrupt if there + is no index */ + + if (dict_table_get_first_index(table)) { + dict_update_statistics_low(table, TRUE); + } + + dict_table_print_low(table); + } + + mtr_start(&mtr); + + btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); + } + + goto loop; +} + +/********************************************************************//** +Determine the flags of a table described in SYS_TABLES. +@return compressed page size in kilobytes; or 0 if the tablespace is +uncompressed, ULINT_UNDEFINED on error */ +static +ulint +dict_sys_tables_get_flags( +/*======================*/ + const rec_t* rec) /*!< in: a record of SYS_TABLES */ +{ + const byte* field; + ulint len; + ulint n_cols; + ulint flags; + + field = rec_get_nth_field_old(rec, 5, &len); + ut_a(len == 4); + + flags = mach_read_from_4(field); + + if (UNIV_LIKELY(flags == DICT_TABLE_ORDINARY)) { + return(0); + } + + field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); + n_cols = mach_read_from_4(field); + + if (UNIV_UNLIKELY(!(n_cols & 0x80000000UL))) { + /* New file formats require ROW_FORMAT=COMPACT. */ + return(ULINT_UNDEFINED); + } + + switch (flags & (DICT_TF_FORMAT_MASK | DICT_TF_COMPACT)) { + default: + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: + /* flags should be DICT_TABLE_ORDINARY, + or DICT_TF_FORMAT_MASK should be nonzero. */ + return(ULINT_UNDEFINED); + + case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: +#if DICT_TF_FORMAT_MAX > DICT_TF_FORMAT_ZIP +# error "missing case labels for DICT_TF_FORMAT_ZIP .. DICT_TF_FORMAT_MAX" +#endif + /* We support this format. */ + break; + } + + if (UNIV_UNLIKELY((flags & DICT_TF_ZSSIZE_MASK) + > (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT))) { + /* Unsupported compressed page size. */ + return(ULINT_UNDEFINED); + } + + if (UNIV_UNLIKELY(flags & (~0 << DICT_TF_BITS))) { + /* Some unused bits are set. */ + return(ULINT_UNDEFINED); + } + + return(flags); +} + +/********************************************************************//** +In a crash recovery we already have all the tablespace objects created. +This function compares the space id information in the InnoDB data dictionary +to what we already read with fil_load_single_table_tablespaces(). + +In a normal startup, we create the tablespace objects for every table in +InnoDB's data dictionary, if the corresponding .ibd file exists. +We also scan the biggest space id, and store it to fil_system. */ +UNIV_INTERN +void +dict_check_tablespaces_and_store_max_id( +/*====================================*/ + ibool in_crash_recovery) /*!< in: are we doing a crash recovery */ +{ + dict_table_t* sys_tables; + dict_index_t* sys_index; + btr_pcur_t pcur; + const rec_t* rec; + ulint max_space_id = 0; + mtr_t mtr; + + mutex_enter(&(dict_sys->mutex)); + + mtr_start(&mtr); + + sys_tables = dict_table_get_low("SYS_TABLES"); + sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); + ut_a(!dict_table_is_comp(sys_tables)); + + btr_pcur_open_at_index_side(TRUE, sys_index, BTR_SEARCH_LEAF, &pcur, + TRUE, &mtr); +loop: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + /* end of index */ + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + /* We must make the tablespace cache aware of the biggest + known space id */ + + /* printf("Biggest space id in data dictionary %lu\n", + max_space_id); */ + fil_set_max_space_id_if_bigger(max_space_id); + + mutex_exit(&(dict_sys->mutex)); + + return; + } + + if (!rec_get_deleted_flag(rec, 0)) { + + /* We found one */ + const byte* field; + ulint len; + ulint space_id; + ulint flags; + char* name; + + field = rec_get_nth_field_old(rec, 0, &len); + name = mem_strdupl((char*) field, len); + + flags = dict_sys_tables_get_flags(rec); + if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { + + field = rec_get_nth_field_old(rec, 5, &len); + flags = mach_read_from_4(field); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown type %lx.\n", + (ulong) flags); + + goto loop; + } + + field = rec_get_nth_field_old(rec, 9, &len); + ut_a(len == 4); + + space_id = mach_read_from_4(field); + + btr_pcur_store_position(&pcur, &mtr); + + mtr_commit(&mtr); + + if (space_id == 0) { + /* The system tablespace always exists. */ + } else if (in_crash_recovery) { + /* Check that the tablespace (the .ibd file) really + exists; print a warning to the .err log if not. + Do not print warnings for temporary tables. */ + ibool is_temp; + + field = rec_get_nth_field_old(rec, 4, &len); + if (0x80000000UL & mach_read_from_4(field)) { + /* ROW_FORMAT=COMPACT: read the is_temp + flag from SYS_TABLES.MIX_LEN. */ + field = rec_get_nth_field_old(rec, 7, &len); + is_temp = mach_read_from_4(field) + & DICT_TF2_TEMPORARY; + } else { + /* For tables created with old versions + of InnoDB, SYS_TABLES.MIX_LEN may contain + garbage. Such tables would always be + in ROW_FORMAT=REDUNDANT. Pretend that + all such tables are non-temporary. That is, + do not suppress error printouts about + temporary tables not being found. */ + is_temp = FALSE; + } + + fil_space_for_table_exists_in_mem( + space_id, name, is_temp, TRUE, !is_temp); + } else { + /* It is a normal database startup: create the space + object and check that the .ibd file exists. */ + + fil_open_single_table_tablespace(FALSE, space_id, + flags, name); + } + + mem_free(name); + + if (space_id > max_space_id) { + max_space_id = space_id; + } + + mtr_start(&mtr); + + btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); + } + + goto loop; +} + +/********************************************************************//** +Loads definitions for table columns. */ +static +void +dict_load_columns( +/*==============*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ +{ + dict_table_t* sys_columns; + dict_index_t* sys_index; + btr_pcur_t pcur; + dtuple_t* tuple; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + byte* buf; + char* name; + ulint mtype; + ulint prtype; + ulint col_len; + ulint i; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + mtr_start(&mtr); + + sys_columns = dict_table_get_low("SYS_COLUMNS"); + sys_index = UT_LIST_GET_FIRST(sys_columns->indexes); + ut_a(!dict_table_is_comp(sys_columns)); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 8); + mach_write_to_8(buf, table->id); + + dfield_set_data(dfield, buf, 8); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + for (i = 0; i + DATA_N_SYS_COLS < (ulint) table->n_cols; i++) { + + rec = btr_pcur_get_rec(&pcur); + + ut_a(btr_pcur_is_on_user_rec(&pcur)); + + ut_a(!rec_get_deleted_flag(rec, 0)); + + field = rec_get_nth_field_old(rec, 0, &len); + ut_ad(len == 8); + ut_a(ut_dulint_cmp(table->id, mach_read_from_8(field)) == 0); + + field = rec_get_nth_field_old(rec, 1, &len); + ut_ad(len == 4); + ut_a(i == mach_read_from_4(field)); + + ut_a(name_of_col_is(sys_columns, sys_index, 4, "NAME")); + + field = rec_get_nth_field_old(rec, 4, &len); + name = mem_heap_strdupl(heap, (char*) field, len); + + field = rec_get_nth_field_old(rec, 5, &len); + mtype = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 6, &len); + prtype = mach_read_from_4(field); + + if (dtype_get_charset_coll(prtype) == 0 + && dtype_is_string_type(mtype)) { + /* The table was created with < 4.1.2. */ + + if (dtype_is_binary_string_type(mtype, prtype)) { + /* Use the binary collation for + string columns of binary type. */ + + prtype = dtype_form_prtype( + prtype, + DATA_MYSQL_BINARY_CHARSET_COLL); + } else { + /* Use the default charset for + other than binary columns. */ + + prtype = dtype_form_prtype( + prtype, + data_mysql_default_charset_coll); + } + } + + field = rec_get_nth_field_old(rec, 7, &len); + col_len = mach_read_from_4(field); + + ut_a(name_of_col_is(sys_columns, sys_index, 8, "PREC")); + + dict_mem_table_add_col(table, heap, name, + mtype, prtype, col_len); + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); +} + +/********************************************************************//** +Loads definitions for index fields. */ +static +void +dict_load_fields( +/*=============*/ + dict_index_t* index, /*!< in: index whose fields to load */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ +{ + dict_table_t* sys_fields; + dict_index_t* sys_index; + btr_pcur_t pcur; + dtuple_t* tuple; + dfield_t* dfield; + ulint pos_and_prefix_len; + ulint prefix_len; + const rec_t* rec; + const byte* field; + ulint len; + byte* buf; + ulint i; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + mtr_start(&mtr); + + sys_fields = dict_table_get_low("SYS_FIELDS"); + sys_index = UT_LIST_GET_FIRST(sys_fields->indexes); + ut_a(!dict_table_is_comp(sys_fields)); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 8); + mach_write_to_8(buf, index->id); + + dfield_set_data(dfield, buf, 8); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + for (i = 0; i < index->n_fields; i++) { + + rec = btr_pcur_get_rec(&pcur); + + ut_a(btr_pcur_is_on_user_rec(&pcur)); + + /* There could be delete marked records in SYS_FIELDS + because SYS_FIELDS.INDEX_ID can be updated + by ALTER TABLE ADD INDEX. */ + + if (rec_get_deleted_flag(rec, 0)) { + + goto next_rec; + } + + field = rec_get_nth_field_old(rec, 0, &len); + ut_ad(len == 8); + + field = rec_get_nth_field_old(rec, 1, &len); + ut_a(len == 4); + + /* The next field stores the field position in the index + and a possible column prefix length if the index field + does not contain the whole column. The storage format is + like this: if there is at least one prefix field in the index, + then the HIGH 2 bytes contain the field number (== i) and the + low 2 bytes the prefix length for the field. Otherwise the + field number (== i) is contained in the 2 LOW bytes. */ + + pos_and_prefix_len = mach_read_from_4(field); + + ut_a((pos_and_prefix_len & 0xFFFFUL) == i + || (pos_and_prefix_len & 0xFFFF0000UL) == (i << 16)); + + if ((i == 0 && pos_and_prefix_len > 0) + || (pos_and_prefix_len & 0xFFFF0000UL) > 0) { + + prefix_len = pos_and_prefix_len & 0xFFFFUL; + } else { + prefix_len = 0; + } + + ut_a(name_of_col_is(sys_fields, sys_index, 4, "COL_NAME")); + + field = rec_get_nth_field_old(rec, 4, &len); + + dict_mem_index_add_field(index, + mem_heap_strdupl(heap, + (char*) field, len), + prefix_len); + +next_rec: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); +} + +/********************************************************************//** +Loads definitions for table indexes. Adds them to the data dictionary +cache. +@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary +table or DB_UNSUPPORTED if table has unknown index type */ +static +ulint +dict_load_indexes( +/*==============*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap) /*!< in: memory heap for temporary storage */ +{ + dict_table_t* sys_indexes; + dict_index_t* sys_index; + dict_index_t* index; + btr_pcur_t pcur; + dtuple_t* tuple; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + ulint name_len; + char* name_buf; + ulint type; + ulint space; + ulint page_no; + ulint n_fields; + byte* buf; + ibool is_sys_table; + dulint id; + mtr_t mtr; + ulint error = DB_SUCCESS; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + if ((ut_dulint_get_high(table->id) == 0) + && (ut_dulint_get_low(table->id) < DICT_HDR_FIRST_ID)) { + is_sys_table = TRUE; + } else { + is_sys_table = FALSE; + } + + mtr_start(&mtr); + + sys_indexes = dict_table_get_low("SYS_INDEXES"); + sys_index = UT_LIST_GET_FIRST(sys_indexes->indexes); + ut_a(!dict_table_is_comp(sys_indexes)); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 8); + mach_write_to_8(buf, table->id); + + dfield_set_data(dfield, buf, 8); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + for (;;) { + if (!btr_pcur_is_on_user_rec(&pcur)) { + + break; + } + + rec = btr_pcur_get_rec(&pcur); + + field = rec_get_nth_field_old(rec, 0, &len); + ut_ad(len == 8); + + if (ut_memcmp(buf, field, len) != 0) { + break; + } else if (rec_get_deleted_flag(rec, 0)) { + /* Skip delete marked records */ + goto next_rec; + } + + field = rec_get_nth_field_old(rec, 1, &len); + ut_ad(len == 8); + id = mach_read_from_8(field); + + ut_a(name_of_col_is(sys_indexes, sys_index, 4, "NAME")); + + field = rec_get_nth_field_old(rec, 4, &name_len); + name_buf = mem_heap_strdupl(heap, (char*) field, name_len); + + field = rec_get_nth_field_old(rec, 5, &len); + n_fields = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 6, &len); + type = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 7, &len); + space = mach_read_from_4(field); + + ut_a(name_of_col_is(sys_indexes, sys_index, 8, "PAGE_NO")); + + field = rec_get_nth_field_old(rec, 8, &len); + page_no = mach_read_from_4(field); + + /* We check for unsupported types first, so that the + subsequent checks are relevant for the supported types. */ + if (type & ~(DICT_CLUSTERED | DICT_UNIQUE)) { + + fprintf(stderr, + "InnoDB: Error: unknown type %lu" + " of index %s of table %s\n", + (ulong) type, name_buf, table->name); + + error = DB_UNSUPPORTED; + goto func_exit; + } else if (page_no == FIL_NULL) { + + fprintf(stderr, + "InnoDB: Error: trying to load index %s" + " for table %s\n" + "InnoDB: but the index tree has been freed!\n", + name_buf, table->name); + + error = DB_CORRUPTION; + goto func_exit; + } else if ((type & DICT_CLUSTERED) == 0 + && NULL == dict_table_get_first_index(table)) { + + fputs("InnoDB: Error: trying to load index ", + stderr); + ut_print_name(stderr, NULL, FALSE, name_buf); + fputs(" for table ", stderr); + ut_print_name(stderr, NULL, TRUE, table->name); + fputs("\nInnoDB: but the first index" + " is not clustered!\n", stderr); + + error = DB_CORRUPTION; + goto func_exit; + } else if (is_sys_table + && ((type & DICT_CLUSTERED) + || ((table == dict_sys->sys_tables) + && (name_len == (sizeof "ID_IND") - 1) + && (0 == ut_memcmp(name_buf, + "ID_IND", name_len))))) { + + /* The index was created in memory already at booting + of the database server */ + } else { + index = dict_mem_index_create(table->name, name_buf, + space, type, n_fields); + index->id = id; + + dict_load_fields(index, heap); + error = dict_index_add_to_cache(table, index, page_no, + FALSE); + /* The data dictionary tables should never contain + invalid index definitions. If we ignored this error + and simply did not load this index definition, the + .frm file would disagree with the index definitions + inside InnoDB. */ + if (UNIV_UNLIKELY(error != DB_SUCCESS)) { + + goto func_exit; + } + } + +next_rec: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + +func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + return(error); +} + +/********************************************************************//** +Loads a table definition and also all its index definitions, and also +the cluster definition if the table is a member in a cluster. Also loads +all foreign key constraints where the foreign key is in the table or where +a foreign key references columns in this table. Adds all these to the data +dictionary cache. +@return table, NULL if does not exist; if the table is stored in an +.ibd file, but the file does not exist, then we set the +ibd_file_missing flag TRUE in the table object we return */ +UNIV_INTERN +dict_table_t* +dict_load_table( +/*============*/ + const char* name) /*!< in: table name in the + databasename/tablename format */ +{ + ibool ibd_file_missing = FALSE; + dict_table_t* table; + dict_table_t* sys_tables; + btr_pcur_t pcur; + dict_index_t* sys_index; + dtuple_t* tuple; + mem_heap_t* heap; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + ulint space; + ulint n_cols; + ulint flags; + ulint err; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + heap = mem_heap_create(32000); + + mtr_start(&mtr); + + sys_tables = dict_table_get_low("SYS_TABLES"); + sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); + ut_a(!dict_table_is_comp(sys_tables)); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(dfield, name, ut_strlen(name)); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur) + || rec_get_deleted_flag(rec, 0)) { + /* Not found */ +err_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(NULL); + } + + field = rec_get_nth_field_old(rec, 0, &len); + + /* Check if the table name in record is the searched one */ + if (len != ut_strlen(name) || ut_memcmp(name, field, len) != 0) { + + goto err_exit; + } + + ut_a(name_of_col_is(sys_tables, sys_index, 9, "SPACE")); + + field = rec_get_nth_field_old(rec, 9, &len); + space = mach_read_from_4(field); + + /* Check if the tablespace exists and has the right name */ + if (space != 0) { + flags = dict_sys_tables_get_flags(rec); + + if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { + field = rec_get_nth_field_old(rec, 5, &len); + flags = mach_read_from_4(field); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown type %lx.\n", + (ulong) flags); + goto err_exit; + } + } else { + flags = 0; + } + + ut_a(name_of_col_is(sys_tables, sys_index, 4, "N_COLS")); + + field = rec_get_nth_field_old(rec, 4, &len); + n_cols = mach_read_from_4(field); + + /* The high-order bit of N_COLS is the "compact format" flag. + For tables in that format, MIX_LEN may hold additional flags. */ + if (n_cols & 0x80000000UL) { + ulint flags2; + + flags |= DICT_TF_COMPACT; + + ut_a(name_of_col_is(sys_tables, sys_index, 7, "MIX_LEN")); + field = rec_get_nth_field_old(rec, 7, &len); + + flags2 = mach_read_from_4(field); + + if (flags2 & (~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT))) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown flags %lx.\n", + (ulong) flags2); + + flags2 &= ~(~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT)); + } + + flags |= flags2 << DICT_TF2_SHIFT; + } + + /* See if the tablespace is available. */ + if (space == 0) { + /* The system tablespace is always available. */ + } else if (!fil_space_for_table_exists_in_mem( + space, name, + (flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY, + FALSE, FALSE)) { + + if ((flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY) { + /* Do not bother to retry opening temporary tables. */ + ibd_file_missing = TRUE; + } else { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: error: space object of table"); + ut_print_filename(stderr, name); + fprintf(stderr, ",\n" + "InnoDB: space id %lu did not exist in memory." + " Retrying an open.\n", + (ulong) space); + /* Try to open the tablespace */ + if (!fil_open_single_table_tablespace( + TRUE, space, + flags & ~(~0 << DICT_TF_BITS), name)) { + /* We failed to find a sensible + tablespace file */ + + ibd_file_missing = TRUE; + } + } + } + + table = dict_mem_table_create(name, space, n_cols & ~0x80000000UL, + flags); + + table->ibd_file_missing = (unsigned int) ibd_file_missing; + + ut_a(name_of_col_is(sys_tables, sys_index, 3, "ID")); + + field = rec_get_nth_field_old(rec, 3, &len); + table->id = mach_read_from_8(field); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + dict_load_columns(table, heap); + + dict_table_add_to_cache(table, heap); + + mem_heap_empty(heap); + + err = dict_load_indexes(table, heap); + + /* If the force recovery flag is set, we open the table irrespective + of the error condition, since the user may want to dump data from the + clustered index. However we load the foreign key information only if + all indexes were loaded. */ + if (err == DB_SUCCESS) { + err = dict_load_foreigns(table->name, TRUE); + } else if (!srv_force_recovery) { + dict_table_remove_from_cache(table); + table = NULL; + } +#if 0 + if (err != DB_SUCCESS && table != NULL) { + + mutex_enter(&dict_foreign_err_mutex); + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: could not make a foreign key" + " definition to match\n" + "InnoDB: the foreign key table" + " or the referenced table!\n" + "InnoDB: The data dictionary of InnoDB is corrupt." + " You may need to drop\n" + "InnoDB: and recreate the foreign key table" + " or the referenced table.\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n" + "InnoDB: Latest foreign key error printout:\n%s\n", + dict_foreign_err_buf); + + mutex_exit(&dict_foreign_err_mutex); + } +#endif /* 0 */ + mem_heap_free(heap); + + return(table); +} + +/***********************************************************************//** +Loads a table object based on the table id. +@return table; NULL if table does not exist */ +UNIV_INTERN +dict_table_t* +dict_load_table_on_id( +/*==================*/ + dulint table_id) /*!< in: table id */ +{ + byte id_buf[8]; + btr_pcur_t pcur; + mem_heap_t* heap; + dtuple_t* tuple; + dfield_t* dfield; + dict_index_t* sys_table_ids; + dict_table_t* sys_tables; + const rec_t* rec; + const byte* field; + ulint len; + dict_table_t* table; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + /* NOTE that the operation of this function is protected by + the dictionary mutex, and therefore no deadlocks can occur + with other dictionary operations. */ + + mtr_start(&mtr); + /*---------------------------------------------------*/ + /* Get the secondary index based on ID for table SYS_TABLES */ + sys_tables = dict_sys->sys_tables; + sys_table_ids = dict_table_get_next_index( + dict_table_get_first_index(sys_tables)); + ut_a(!dict_table_is_comp(sys_tables)); + heap = mem_heap_create(256); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + /* Write the table id in byte format to id_buf */ + mach_write_to_8(id_buf, table_id); + + dfield_set_data(dfield, id_buf, 8); + dict_index_copy_types(tuple, sys_table_ids, 1); + + btr_pcur_open_on_user_rec(sys_table_ids, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur) + || rec_get_deleted_flag(rec, 0)) { + /* Not found */ + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(NULL); + } + + /*---------------------------------------------------*/ + /* Now we have the record in the secondary index containing the + table ID and NAME */ + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, 0, &len); + ut_ad(len == 8); + + /* Check if the table id in record is the one searched for */ + if (ut_dulint_cmp(table_id, mach_read_from_8(field)) != 0) { + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(NULL); + } + + /* Now we get the table name from the record */ + field = rec_get_nth_field_old(rec, 1, &len); + /* Load the table definition to memory */ + table = dict_load_table(mem_heap_strdupl(heap, (char*) field, len)); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + return(table); +} + +/********************************************************************//** +This function is called when the database is booted. Loads system table +index definitions except for the clustered index which is added to the +dictionary cache at booting before calling this function. */ +UNIV_INTERN +void +dict_load_sys_table( +/*================*/ + dict_table_t* table) /*!< in: system table */ +{ + mem_heap_t* heap; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + heap = mem_heap_create(1000); + + dict_load_indexes(table, heap); + + mem_heap_free(heap); +} + +/********************************************************************//** +Loads foreign key constraint col names (also for the referenced table). */ +static +void +dict_load_foreign_cols( +/*===================*/ + const char* id, /*!< in: foreign constraint id as a + null-terminated string */ + dict_foreign_t* foreign)/*!< in: foreign constraint object */ +{ + dict_table_t* sys_foreign_cols; + dict_index_t* sys_index; + btr_pcur_t pcur; + dtuple_t* tuple; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + ulint i; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + foreign->foreign_col_names = mem_heap_alloc( + foreign->heap, foreign->n_fields * sizeof(void*)); + + foreign->referenced_col_names = mem_heap_alloc( + foreign->heap, foreign->n_fields * sizeof(void*)); + mtr_start(&mtr); + + sys_foreign_cols = dict_table_get_low("SYS_FOREIGN_COLS"); + sys_index = UT_LIST_GET_FIRST(sys_foreign_cols->indexes); + ut_a(!dict_table_is_comp(sys_foreign_cols)); + + tuple = dtuple_create(foreign->heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(dfield, id, ut_strlen(id)); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + for (i = 0; i < foreign->n_fields; i++) { + + rec = btr_pcur_get_rec(&pcur); + + ut_a(btr_pcur_is_on_user_rec(&pcur)); + ut_a(!rec_get_deleted_flag(rec, 0)); + + field = rec_get_nth_field_old(rec, 0, &len); + ut_a(len == ut_strlen(id)); + ut_a(ut_memcmp(id, field, len) == 0); + + field = rec_get_nth_field_old(rec, 1, &len); + ut_a(len == 4); + ut_a(i == mach_read_from_4(field)); + + field = rec_get_nth_field_old(rec, 4, &len); + foreign->foreign_col_names[i] = mem_heap_strdupl( + foreign->heap, (char*) field, len); + + field = rec_get_nth_field_old(rec, 5, &len); + foreign->referenced_col_names[i] = mem_heap_strdupl( + foreign->heap, (char*) field, len); + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); +} + +/***********************************************************************//** +Loads a foreign key constraint to the dictionary cache. +@return DB_SUCCESS or error code */ +static +ulint +dict_load_foreign( +/*==============*/ + const char* id, /*!< in: foreign constraint id as a + null-terminated string */ + ibool check_charsets) + /*!< in: TRUE=check charset compatibility */ +{ + dict_foreign_t* foreign; + dict_table_t* sys_foreign; + btr_pcur_t pcur; + dict_index_t* sys_index; + dtuple_t* tuple; + mem_heap_t* heap2; + dfield_t* dfield; + const rec_t* rec; + const byte* field; + ulint len; + ulint n_fields_and_type; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + heap2 = mem_heap_create(1000); + + mtr_start(&mtr); + + sys_foreign = dict_table_get_low("SYS_FOREIGN"); + sys_index = UT_LIST_GET_FIRST(sys_foreign->indexes); + ut_a(!dict_table_is_comp(sys_foreign)); + + tuple = dtuple_create(heap2, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(dfield, id, ut_strlen(id)); + dict_index_copy_types(tuple, sys_index, 1); + + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur) + || rec_get_deleted_flag(rec, 0)) { + /* Not found */ + + fprintf(stderr, + "InnoDB: Error A: cannot load foreign constraint %s\n", + id); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap2); + + return(DB_ERROR); + } + + field = rec_get_nth_field_old(rec, 0, &len); + + /* Check if the id in record is the searched one */ + if (len != ut_strlen(id) || ut_memcmp(id, field, len) != 0) { + + fprintf(stderr, + "InnoDB: Error B: cannot load foreign constraint %s\n", + id); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap2); + + return(DB_ERROR); + } + + /* Read the table names and the number of columns associated + with the constraint */ + + mem_heap_free(heap2); + + foreign = dict_mem_foreign_create(); + + n_fields_and_type = mach_read_from_4( + rec_get_nth_field_old(rec, 5, &len)); + + ut_a(len == 4); + + /* We store the type in the bits 24..29 of n_fields_and_type. */ + + foreign->type = (unsigned int) (n_fields_and_type >> 24); + foreign->n_fields = (unsigned int) (n_fields_and_type & 0x3FFUL); + + foreign->id = mem_heap_strdup(foreign->heap, id); + + field = rec_get_nth_field_old(rec, 3, &len); + foreign->foreign_table_name = mem_heap_strdupl( + foreign->heap, (char*) field, len); + + field = rec_get_nth_field_old(rec, 4, &len); + foreign->referenced_table_name = mem_heap_strdupl( + foreign->heap, (char*) field, len); + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + dict_load_foreign_cols(id, foreign); + + /* If the foreign table is not yet in the dictionary cache, we + have to load it so that we are able to make type comparisons + in the next function call. */ + + dict_table_get_low(foreign->foreign_table_name); + + /* Note that there may already be a foreign constraint object in + the dictionary cache for this constraint: then the following + call only sets the pointers in it to point to the appropriate table + and index objects and frees the newly created object foreign. + Adding to the cache should always succeed since we are not creating + a new foreign key constraint but loading one from the data + dictionary. */ + + return(dict_foreign_add_to_cache(foreign, check_charsets)); +} + +/***********************************************************************//** +Loads foreign key constraints where the table is either the foreign key +holder or where the table is referenced by a foreign key. Adds these +constraints to the data dictionary. Note that we know that the dictionary +cache already contains all constraints where the other relevant table is +already in the dictionary cache. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_load_foreigns( +/*===============*/ + const char* table_name, /*!< in: table name */ + ibool check_charsets) /*!< in: TRUE=check charset + compatibility */ +{ + btr_pcur_t pcur; + mem_heap_t* heap; + dtuple_t* tuple; + dfield_t* dfield; + dict_index_t* sec_index; + dict_table_t* sys_foreign; + const rec_t* rec; + const byte* field; + ulint len; + char* id ; + ulint err; + mtr_t mtr; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + sys_foreign = dict_table_get_low("SYS_FOREIGN"); + + if (sys_foreign == NULL) { + /* No foreign keys defined yet in this database */ + + fprintf(stderr, + "InnoDB: Error: no foreign key system tables" + " in the database\n"); + + return(DB_ERROR); + } + + ut_a(!dict_table_is_comp(sys_foreign)); + mtr_start(&mtr); + + /* Get the secondary index based on FOR_NAME from table + SYS_FOREIGN */ + + sec_index = dict_table_get_next_index( + dict_table_get_first_index(sys_foreign)); +start_load: + heap = mem_heap_create(256); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(dfield, table_name, ut_strlen(table_name)); + dict_index_copy_types(tuple, sec_index, 1); + + btr_pcur_open_on_user_rec(sec_index, tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); +loop: + rec = btr_pcur_get_rec(&pcur); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + /* End of index */ + + goto load_next_index; + } + + /* Now we have the record in the secondary index containing a table + name and a foreign constraint ID */ + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, 0, &len); + + /* Check if the table name in the record is the one searched for; the + following call does the comparison in the latin1_swedish_ci + charset-collation, in a case-insensitive way. */ + + if (0 != cmp_data_data(dfield_get_type(dfield)->mtype, + dfield_get_type(dfield)->prtype, + dfield_get_data(dfield), dfield_get_len(dfield), + field, len)) { + + goto load_next_index; + } + + /* Since table names in SYS_FOREIGN are stored in a case-insensitive + order, we have to check that the table name matches also in a binary + string comparison. On Unix, MySQL allows table names that only differ + in character case. */ + + if (0 != ut_memcmp(field, table_name, len)) { + + goto next_rec; + } + + if (rec_get_deleted_flag(rec, 0)) { + + goto next_rec; + } + + /* Now we get a foreign key constraint id */ + field = rec_get_nth_field_old(rec, 1, &len); + id = mem_heap_strdupl(heap, (char*) field, len); + + btr_pcur_store_position(&pcur, &mtr); + + mtr_commit(&mtr); + + /* Load the foreign constraint definition to the dictionary cache */ + + err = dict_load_foreign(id, check_charsets); + + if (err != DB_SUCCESS) { + btr_pcur_close(&pcur); + mem_heap_free(heap); + + return(err); + } + + mtr_start(&mtr); + + btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); +next_rec: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + goto loop; + +load_next_index: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + + sec_index = dict_table_get_next_index(sec_index); + + if (sec_index != NULL) { + + mtr_start(&mtr); + + goto start_load; + } + + return(DB_SUCCESS); +} diff --git a/perfschema/dict/dict0mem.c b/perfschema/dict/dict0mem.c new file mode 100644 index 00000000000..66b4b43f296 --- /dev/null +++ b/perfschema/dict/dict0mem.c @@ -0,0 +1,319 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file dict/dict0mem.c +Data dictionary memory object creation + +Created 1/8/1996 Heikki Tuuri +***********************************************************************/ + +#include "dict0mem.h" + +#ifdef UNIV_NONINL +#include "dict0mem.ic" +#endif + +#include "rem0rec.h" +#include "data0type.h" +#include "mach0data.h" +#include "dict0dict.h" +#ifndef UNIV_HOTBACKUP +# include "lock0lock.h" +#endif /* !UNIV_HOTBACKUP */ + +#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when + creating a table or index object */ + +/**********************************************************************//** +Creates a table memory object. +@return own: table object */ +UNIV_INTERN +dict_table_t* +dict_mem_table_create( +/*==================*/ + const char* name, /*!< in: table name */ + ulint space, /*!< in: space where the clustered index of + the table is placed; this parameter is + ignored if the table is made a member of + a cluster */ + ulint n_cols, /*!< in: number of columns */ + ulint flags) /*!< in: table flags */ +{ + dict_table_t* table; + mem_heap_t* heap; + + ut_ad(name); + ut_a(!(flags & (~0 << DICT_TF2_BITS))); + + heap = mem_heap_create(DICT_HEAP_SIZE); + + table = mem_heap_zalloc(heap, sizeof(dict_table_t)); + + table->heap = heap; + + table->flags = (unsigned int) flags; + table->name = mem_heap_strdup(heap, name); + table->space = (unsigned int) space; + table->n_cols = (unsigned int) (n_cols + DATA_N_SYS_COLS); + + table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS) + * sizeof(dict_col_t)); + +#ifndef UNIV_HOTBACKUP + table->autoinc_lock = mem_heap_alloc(heap, lock_get_size()); + + mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); + + table->autoinc = 0; + + /* The number of transactions that are either waiting on the + AUTOINC lock or have been granted the lock. */ + table->n_waiting_or_granted_auto_inc_locks = 0; +#endif /* !UNIV_HOTBACKUP */ + + ut_d(table->magic_n = DICT_TABLE_MAGIC_N); + return(table); +} + +/****************************************************************//** +Free a table memory object. */ +UNIV_INTERN +void +dict_mem_table_free( +/*================*/ + dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_d(table->cached = FALSE); + +#ifndef UNIV_HOTBACKUP + mutex_free(&(table->autoinc_mutex)); +#endif /* UNIV_HOTBACKUP */ + mem_heap_free(table->heap); +} + +/****************************************************************//** +Append 'name' to 'col_names'. @see dict_table_t::col_names +@return new column names array */ +static +const char* +dict_add_col_name( +/*==============*/ + const char* col_names, /*!< in: existing column names, or + NULL */ + ulint cols, /*!< in: number of existing columns */ + const char* name, /*!< in: new column name */ + mem_heap_t* heap) /*!< in: heap */ +{ + ulint old_len; + ulint new_len; + ulint total_len; + char* res; + + ut_ad(!cols == !col_names); + + /* Find out length of existing array. */ + if (col_names) { + const char* s = col_names; + ulint i; + + for (i = 0; i < cols; i++) { + s += strlen(s) + 1; + } + + old_len = s - col_names; + } else { + old_len = 0; + } + + new_len = strlen(name) + 1; + total_len = old_len + new_len; + + res = mem_heap_alloc(heap, total_len); + + if (old_len > 0) { + memcpy(res, col_names, old_len); + } + + memcpy(res + old_len, name, new_len); + + return(res); +} + +/**********************************************************************//** +Adds a column definition to a table. */ +UNIV_INTERN +void +dict_mem_table_add_col( +/*===================*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ + const char* name, /*!< in: column name, or NULL */ + ulint mtype, /*!< in: main datatype */ + ulint prtype, /*!< in: precise type */ + ulint len) /*!< in: precision */ +{ + dict_col_t* col; +#ifndef UNIV_HOTBACKUP + ulint mbminlen; + ulint mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ + ulint i; + + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_ad(!heap == !name); + + i = table->n_def++; + + if (name) { + if (UNIV_UNLIKELY(table->n_def == table->n_cols)) { + heap = table->heap; + } + if (UNIV_LIKELY(i) && UNIV_UNLIKELY(!table->col_names)) { + /* All preceding column names are empty. */ + char* s = mem_heap_zalloc(heap, table->n_def); + table->col_names = s; + } + + table->col_names = dict_add_col_name(table->col_names, + i, name, heap); + } + + col = dict_table_get_nth_col(table, i); + + col->ind = (unsigned int) i; + col->ord_part = 0; + + col->mtype = (unsigned int) mtype; + col->prtype = (unsigned int) prtype; + col->len = (unsigned int) len; + +#ifndef UNIV_HOTBACKUP + dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen); + + col->mbminlen = (unsigned int) mbminlen; + col->mbmaxlen = (unsigned int) mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ +} + +/**********************************************************************//** +Creates an index memory object. +@return own: index object */ +UNIV_INTERN +dict_index_t* +dict_mem_index_create( +/*==================*/ + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is + placed, ignored if the index is of + the clustered type */ + ulint type, /*!< in: DICT_UNIQUE, + DICT_CLUSTERED, ... ORed */ + ulint n_fields) /*!< in: number of fields */ +{ + dict_index_t* index; + mem_heap_t* heap; + + ut_ad(table_name && index_name); + + heap = mem_heap_create(DICT_HEAP_SIZE); + index = mem_heap_zalloc(heap, sizeof(dict_index_t)); + + index->heap = heap; + + index->type = type; +#ifndef UNIV_HOTBACKUP + index->space = (unsigned int) space; +#endif /* !UNIV_HOTBACKUP */ + index->name = mem_heap_strdup(heap, index_name); + index->table_name = table_name; + index->n_fields = (unsigned int) n_fields; + index->fields = mem_heap_alloc(heap, 1 + n_fields + * sizeof(dict_field_t)); + /* The '1 +' above prevents allocation + of an empty mem block */ +#ifdef UNIV_DEBUG + index->magic_n = DICT_INDEX_MAGIC_N; +#endif /* UNIV_DEBUG */ + return(index); +} + +/**********************************************************************//** +Creates and initializes a foreign constraint memory object. +@return own: foreign constraint struct */ +UNIV_INTERN +dict_foreign_t* +dict_mem_foreign_create(void) +/*=========================*/ +{ + dict_foreign_t* foreign; + mem_heap_t* heap; + + heap = mem_heap_create(100); + + foreign = mem_heap_zalloc(heap, sizeof(dict_foreign_t)); + + foreign->heap = heap; + + return(foreign); +} + +/**********************************************************************//** +Adds a field definition to an index. NOTE: does not take a copy +of the column name if the field is a column. The memory occupied +by the column name may be released only after publishing the index. */ +UNIV_INTERN +void +dict_mem_index_add_field( +/*=====================*/ + dict_index_t* index, /*!< in: index */ + const char* name, /*!< in: column name */ + ulint prefix_len) /*!< in: 0 or the column prefix length + in a MySQL index like + INDEX (textcol(25)) */ +{ + dict_field_t* field; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + index->n_def++; + + field = dict_index_get_nth_field(index, index->n_def - 1); + + field->name = name; + field->prefix_len = (unsigned int) prefix_len; +} + +/**********************************************************************//** +Frees an index memory object. */ +UNIV_INTERN +void +dict_mem_index_free( +/*================*/ + dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + mem_heap_free(index->heap); +} diff --git a/perfschema/dyn/dyn0dyn.c b/perfschema/dyn/dyn0dyn.c new file mode 100644 index 00000000000..e1275f040f3 --- /dev/null +++ b/perfschema/dyn/dyn0dyn.c @@ -0,0 +1,65 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file dyn/dyn0dyn.c +The dynamically allocated array + +Created 2/5/1996 Heikki Tuuri +*******************************************************/ + +#include "dyn0dyn.h" +#ifdef UNIV_NONINL +#include "dyn0dyn.ic" +#endif + +/************************************************************//** +Adds a new block to a dyn array. +@return created block */ +UNIV_INTERN +dyn_block_t* +dyn_array_add_block( +/*================*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + mem_heap_t* heap; + dyn_block_t* block; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + if (arr->heap == NULL) { + UT_LIST_INIT(arr->base); + UT_LIST_ADD_FIRST(list, arr->base, arr); + + arr->heap = mem_heap_create(sizeof(dyn_block_t)); + } + + block = dyn_array_get_last_block(arr); + block->used = block->used | DYN_BLOCK_FULL_FLAG; + + heap = arr->heap; + + block = mem_heap_alloc(heap, sizeof(dyn_block_t)); + + block->used = 0; + + UT_LIST_ADD_LAST(list, arr->base, block); + + return(block); +} diff --git a/perfschema/eval/eval0eval.c b/perfschema/eval/eval0eval.c new file mode 100644 index 00000000000..589b0fa1576 --- /dev/null +++ b/perfschema/eval/eval0eval.c @@ -0,0 +1,852 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file eval/eval0eval.c +SQL evaluator: evaluates simple data structures, like expressions, in +a query graph + +Created 12/29/1997 Heikki Tuuri +*******************************************************/ + +#include "eval0eval.h" + +#ifdef UNIV_NONINL +#include "eval0eval.ic" +#endif + +#include "data0data.h" +#include "row0sel.h" + +/** The RND function seed */ +static ulint eval_rnd = 128367121; + +/** Dummy adress used when we should allocate a buffer of size 0 in +eval_node_alloc_val_buf */ + +static byte eval_dummy; + +/*****************************************************************//** +Allocate a buffer from global dynamic memory for a value of a que_node. +NOTE that this memory must be explicitly freed when the query graph is +freed. If the node already has an allocated buffer, that buffer is freed +here. NOTE that this is the only function where dynamic memory should be +allocated for a query node val field. +@return pointer to allocated buffer */ +UNIV_INTERN +byte* +eval_node_alloc_val_buf( +/*====================*/ + que_node_t* node, /*!< in: query graph node; sets the val field + data field to point to the new buffer, and + len field equal to size */ + ulint size) /*!< in: buffer size */ +{ + dfield_t* dfield; + byte* data; + + ut_ad(que_node_get_type(node) == QUE_NODE_SYMBOL + || que_node_get_type(node) == QUE_NODE_FUNC); + + dfield = que_node_get_val(node); + + data = dfield_get_data(dfield); + + if (data && data != &eval_dummy) { + mem_free(data); + } + + if (size == 0) { + data = &eval_dummy; + } else { + data = mem_alloc(size); + } + + que_node_set_val_buf_size(node, size); + + dfield_set_data(dfield, data, size); + + return(data); +} + +/*****************************************************************//** +Free the buffer from global dynamic memory for a value of a que_node, +if it has been allocated in the above function. The freeing for pushed +column values is done in sel_col_prefetch_buf_free. */ +UNIV_INTERN +void +eval_node_free_val_buf( +/*===================*/ + que_node_t* node) /*!< in: query graph node */ +{ + dfield_t* dfield; + byte* data; + + ut_ad(que_node_get_type(node) == QUE_NODE_SYMBOL + || que_node_get_type(node) == QUE_NODE_FUNC); + + dfield = que_node_get_val(node); + + data = dfield_get_data(dfield); + + if (que_node_get_val_buf_size(node) > 0) { + ut_a(data); + + mem_free(data); + } +} + +/*****************************************************************//** +Evaluates a comparison node. +@return the result of the comparison */ +UNIV_INTERN +ibool +eval_cmp( +/*=====*/ + func_node_t* cmp_node) /*!< in: comparison node */ +{ + que_node_t* arg1; + que_node_t* arg2; + int res; + ibool val; + int func; + + ut_ad(que_node_get_type(cmp_node) == QUE_NODE_FUNC); + + arg1 = cmp_node->args; + arg2 = que_node_get_next(arg1); + + res = cmp_dfield_dfield(que_node_get_val(arg1), + que_node_get_val(arg2)); + val = TRUE; + + func = cmp_node->func; + + if (func == '=') { + if (res != 0) { + val = FALSE; + } + } else if (func == '<') { + if (res != -1) { + val = FALSE; + } + } else if (func == PARS_LE_TOKEN) { + if (res == 1) { + val = FALSE; + } + } else if (func == PARS_NE_TOKEN) { + if (res == 0) { + val = FALSE; + } + } else if (func == PARS_GE_TOKEN) { + if (res == -1) { + val = FALSE; + } + } else { + ut_ad(func == '>'); + + if (res != 1) { + val = FALSE; + } + } + + eval_node_set_ibool_val(cmp_node, val); + + return(val); +} + +/*****************************************************************//** +Evaluates a logical operation node. */ +UNIV_INLINE +void +eval_logical( +/*=========*/ + func_node_t* logical_node) /*!< in: logical operation node */ +{ + que_node_t* arg1; + que_node_t* arg2; + ibool val1; + ibool val2 = 0; /* remove warning */ + ibool val = 0; /* remove warning */ + int func; + + ut_ad(que_node_get_type(logical_node) == QUE_NODE_FUNC); + + arg1 = logical_node->args; + arg2 = que_node_get_next(arg1); /* arg2 is NULL if func is 'NOT' */ + + val1 = eval_node_get_ibool_val(arg1); + + if (arg2) { + val2 = eval_node_get_ibool_val(arg2); + } + + func = logical_node->func; + + if (func == PARS_AND_TOKEN) { + val = val1 & val2; + } else if (func == PARS_OR_TOKEN) { + val = val1 | val2; + } else if (func == PARS_NOT_TOKEN) { + val = TRUE - val1; + } else { + ut_error; + } + + eval_node_set_ibool_val(logical_node, val); +} + +/*****************************************************************//** +Evaluates an arithmetic operation node. */ +UNIV_INLINE +void +eval_arith( +/*=======*/ + func_node_t* arith_node) /*!< in: arithmetic operation node */ +{ + que_node_t* arg1; + que_node_t* arg2; + lint val1; + lint val2 = 0; /* remove warning */ + lint val; + int func; + + ut_ad(que_node_get_type(arith_node) == QUE_NODE_FUNC); + + arg1 = arith_node->args; + arg2 = que_node_get_next(arg1); /* arg2 is NULL if func is unary '-' */ + + val1 = eval_node_get_int_val(arg1); + + if (arg2) { + val2 = eval_node_get_int_val(arg2); + } + + func = arith_node->func; + + if (func == '+') { + val = val1 + val2; + } else if ((func == '-') && arg2) { + val = val1 - val2; + } else if (func == '-') { + val = -val1; + } else if (func == '*') { + val = val1 * val2; + } else { + ut_ad(func == '/'); + val = val1 / val2; + } + + eval_node_set_int_val(arith_node, val); +} + +/*****************************************************************//** +Evaluates an aggregate operation node. */ +UNIV_INLINE +void +eval_aggregate( +/*===========*/ + func_node_t* node) /*!< in: aggregate operation node */ +{ + que_node_t* arg; + lint val; + lint arg_val; + int func; + + ut_ad(que_node_get_type(node) == QUE_NODE_FUNC); + + val = eval_node_get_int_val(node); + + func = node->func; + + if (func == PARS_COUNT_TOKEN) { + + val = val + 1; + } else { + ut_ad(func == PARS_SUM_TOKEN); + + arg = node->args; + arg_val = eval_node_get_int_val(arg); + + val = val + arg_val; + } + + eval_node_set_int_val(node, val); +} + +/*****************************************************************//** +Evaluates a predefined function node where the function is not relevant +in benchmarks. */ +static +void +eval_predefined_2( +/*==============*/ + func_node_t* func_node) /*!< in: predefined function node */ +{ + que_node_t* arg; + que_node_t* arg1; + que_node_t* arg2 = 0; /* remove warning (??? bug ???) */ + lint int_val; + byte* data; + ulint len1; + ulint len2; + int func; + ulint i; + + ut_ad(que_node_get_type(func_node) == QUE_NODE_FUNC); + + arg1 = func_node->args; + + if (arg1) { + arg2 = que_node_get_next(arg1); + } + + func = func_node->func; + + if (func == PARS_PRINTF_TOKEN) { + + arg = arg1; + + while (arg) { + dfield_print(que_node_get_val(arg)); + + arg = que_node_get_next(arg); + } + + putc('\n', stderr); + + } else if (func == PARS_ASSERT_TOKEN) { + + if (!eval_node_get_ibool_val(arg1)) { + fputs("SQL assertion fails in a stored procedure!\n", + stderr); + } + + ut_a(eval_node_get_ibool_val(arg1)); + + /* This function, or more precisely, a debug procedure, + returns no value */ + + } else if (func == PARS_RND_TOKEN) { + + len1 = (ulint)eval_node_get_int_val(arg1); + len2 = (ulint)eval_node_get_int_val(arg2); + + ut_ad(len2 >= len1); + + if (len2 > len1) { + int_val = (lint) (len1 + + (eval_rnd % (len2 - len1 + 1))); + } else { + int_val = (lint) len1; + } + + eval_rnd = ut_rnd_gen_next_ulint(eval_rnd); + + eval_node_set_int_val(func_node, int_val); + + } else if (func == PARS_RND_STR_TOKEN) { + + len1 = (ulint)eval_node_get_int_val(arg1); + + data = eval_node_ensure_val_buf(func_node, len1); + + for (i = 0; i < len1; i++) { + data[i] = (byte)(97 + (eval_rnd % 3)); + + eval_rnd = ut_rnd_gen_next_ulint(eval_rnd); + } + } else { + ut_error; + } +} + +/*****************************************************************//** +Evaluates a notfound-function node. */ +UNIV_INLINE +void +eval_notfound( +/*==========*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + que_node_t* arg2; + sym_node_t* cursor; + sel_node_t* sel_node; + ibool ibool_val; + + arg1 = func_node->args; + arg2 = que_node_get_next(arg1); + + ut_ad(func_node->func == PARS_NOTFOUND_TOKEN); + + cursor = arg1; + + ut_ad(que_node_get_type(cursor) == QUE_NODE_SYMBOL); + + if (cursor->token_type == SYM_LIT) { + + ut_ad(ut_memcmp(dfield_get_data(que_node_get_val(cursor)), + "SQL", 3) == 0); + + sel_node = cursor->sym_table->query_graph->last_sel_node; + } else { + sel_node = cursor->alias->cursor_def; + } + + if (sel_node->state == SEL_NODE_NO_MORE_ROWS) { + ibool_val = TRUE; + } else { + ibool_val = FALSE; + } + + eval_node_set_ibool_val(func_node, ibool_val); +} + +/*****************************************************************//** +Evaluates a substr-function node. */ +UNIV_INLINE +void +eval_substr( +/*========*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + que_node_t* arg2; + que_node_t* arg3; + dfield_t* dfield; + byte* str1; + ulint len1; + ulint len2; + + arg1 = func_node->args; + arg2 = que_node_get_next(arg1); + + ut_ad(func_node->func == PARS_SUBSTR_TOKEN); + + arg3 = que_node_get_next(arg2); + + str1 = dfield_get_data(que_node_get_val(arg1)); + + len1 = (ulint)eval_node_get_int_val(arg2); + len2 = (ulint)eval_node_get_int_val(arg3); + + dfield = que_node_get_val(func_node); + + dfield_set_data(dfield, str1 + len1, len2); +} + +/*****************************************************************//** +Evaluates a replstr-procedure node. */ +static +void +eval_replstr( +/*=========*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + que_node_t* arg2; + que_node_t* arg3; + que_node_t* arg4; + byte* str1; + byte* str2; + ulint len1; + ulint len2; + + arg1 = func_node->args; + arg2 = que_node_get_next(arg1); + + ut_ad(que_node_get_type(arg1) == QUE_NODE_SYMBOL); + + arg3 = que_node_get_next(arg2); + arg4 = que_node_get_next(arg3); + + str1 = dfield_get_data(que_node_get_val(arg1)); + str2 = dfield_get_data(que_node_get_val(arg2)); + + len1 = (ulint)eval_node_get_int_val(arg3); + len2 = (ulint)eval_node_get_int_val(arg4); + + if ((dfield_get_len(que_node_get_val(arg1)) < len1 + len2) + || (dfield_get_len(que_node_get_val(arg2)) < len2)) { + + ut_error; + } + + ut_memcpy(str1 + len1, str2, len2); +} + +/*****************************************************************//** +Evaluates an instr-function node. */ +static +void +eval_instr( +/*=======*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + que_node_t* arg2; + dfield_t* dfield1; + dfield_t* dfield2; + lint int_val; + byte* str1; + byte* str2; + byte match_char; + ulint len1; + ulint len2; + ulint i; + ulint j; + + arg1 = func_node->args; + arg2 = que_node_get_next(arg1); + + dfield1 = que_node_get_val(arg1); + dfield2 = que_node_get_val(arg2); + + str1 = dfield_get_data(dfield1); + str2 = dfield_get_data(dfield2); + + len1 = dfield_get_len(dfield1); + len2 = dfield_get_len(dfield2); + + if (len2 == 0) { + ut_error; + } + + match_char = str2[0]; + + for (i = 0; i < len1; i++) { + /* In this outer loop, the number of matched characters is 0 */ + + if (str1[i] == match_char) { + + if (i + len2 > len1) { + + break; + } + + for (j = 1;; j++) { + /* We have already matched j characters */ + + if (j == len2) { + int_val = i + 1; + + goto match_found; + } + + if (str1[i + j] != str2[j]) { + + break; + } + } + } + } + + int_val = 0; + +match_found: + eval_node_set_int_val(func_node, int_val); +} + +/*****************************************************************//** +Evaluates a predefined function node. */ +UNIV_INLINE +void +eval_binary_to_number( +/*==================*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + dfield_t* dfield; + byte* str1; + byte* str2; + ulint len1; + ulint int_val; + + arg1 = func_node->args; + + dfield = que_node_get_val(arg1); + + str1 = dfield_get_data(dfield); + len1 = dfield_get_len(dfield); + + if (len1 > 4) { + ut_error; + } + + if (len1 == 4) { + str2 = str1; + } else { + int_val = 0; + str2 = (byte*)&int_val; + + ut_memcpy(str2 + (4 - len1), str1, len1); + } + + eval_node_copy_and_alloc_val(func_node, str2, 4); +} + +/*****************************************************************//** +Evaluates a predefined function node. */ +static +void +eval_concat( +/*========*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg; + dfield_t* dfield; + byte* data; + ulint len; + ulint len1; + + arg = func_node->args; + len = 0; + + while (arg) { + len1 = dfield_get_len(que_node_get_val(arg)); + + len += len1; + + arg = que_node_get_next(arg); + } + + data = eval_node_ensure_val_buf(func_node, len); + + arg = func_node->args; + len = 0; + + while (arg) { + dfield = que_node_get_val(arg); + len1 = dfield_get_len(dfield); + + ut_memcpy(data + len, dfield_get_data(dfield), len1); + + len += len1; + + arg = que_node_get_next(arg); + } +} + +/*****************************************************************//** +Evaluates a predefined function node. If the first argument is an integer, +this function looks at the second argument which is the integer length in +bytes, and converts the integer to a VARCHAR. +If the first argument is of some other type, this function converts it to +BINARY. */ +UNIV_INLINE +void +eval_to_binary( +/*===========*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + que_node_t* arg2; + dfield_t* dfield; + byte* str1; + ulint len; + ulint len1; + + arg1 = func_node->args; + + str1 = dfield_get_data(que_node_get_val(arg1)); + + if (dtype_get_mtype(que_node_get_data_type(arg1)) != DATA_INT) { + + len = dfield_get_len(que_node_get_val(arg1)); + + dfield = que_node_get_val(func_node); + + dfield_set_data(dfield, str1, len); + + return; + } + + arg2 = que_node_get_next(arg1); + + len1 = (ulint)eval_node_get_int_val(arg2); + + if (len1 > 4) { + + ut_error; + } + + dfield = que_node_get_val(func_node); + + dfield_set_data(dfield, str1 + (4 - len1), len1); +} + +/*****************************************************************//** +Evaluates a predefined function node. */ +UNIV_INLINE +void +eval_predefined( +/*============*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg1; + lint int_val; + byte* data; + int func; + + func = func_node->func; + + arg1 = func_node->args; + + if (func == PARS_LENGTH_TOKEN) { + + int_val = (lint)dfield_get_len(que_node_get_val(arg1)); + + } else if (func == PARS_TO_CHAR_TOKEN) { + + /* Convert number to character string as a + signed decimal integer. */ + + ulint uint_val; + int int_len; + + int_val = eval_node_get_int_val(arg1); + + /* Determine the length of the string. */ + + if (int_val == 0) { + int_len = 1; /* the number 0 occupies 1 byte */ + } else { + int_len = 0; + if (int_val < 0) { + uint_val = ((ulint) -int_val - 1) + 1; + int_len++; /* reserve space for minus sign */ + } else { + uint_val = (ulint) int_val; + } + for (; uint_val > 0; int_len++) { + uint_val /= 10; + } + } + + /* allocate the string */ + data = eval_node_ensure_val_buf(func_node, int_len + 1); + + /* add terminating NUL character */ + data[int_len] = 0; + + /* convert the number */ + + if (int_val == 0) { + data[0] = '0'; + } else { + int tmp; + if (int_val < 0) { + data[0] = '-'; /* preceding minus sign */ + uint_val = ((ulint) -int_val - 1) + 1; + } else { + uint_val = (ulint) int_val; + } + for (tmp = int_len; uint_val > 0; uint_val /= 10) { + data[--tmp] = (byte) + ('0' + (byte)(uint_val % 10)); + } + } + + dfield_set_len(que_node_get_val(func_node), int_len); + + return; + + } else if (func == PARS_TO_NUMBER_TOKEN) { + + int_val = atoi((char*) + dfield_get_data(que_node_get_val(arg1))); + + } else if (func == PARS_SYSDATE_TOKEN) { + int_val = (lint)ut_time(); + } else { + eval_predefined_2(func_node); + + return; + } + + eval_node_set_int_val(func_node, int_val); +} + +/*****************************************************************//** +Evaluates a function node. */ +UNIV_INTERN +void +eval_func( +/*======*/ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg; + ulint class; + ulint func; + + ut_ad(que_node_get_type(func_node) == QUE_NODE_FUNC); + + class = func_node->class; + func = func_node->func; + + arg = func_node->args; + + /* Evaluate first the argument list */ + while (arg) { + eval_exp(arg); + + /* The functions are not defined for SQL null argument + values, except for eval_cmp and notfound */ + + if (dfield_is_null(que_node_get_val(arg)) + && (class != PARS_FUNC_CMP) + && (func != PARS_NOTFOUND_TOKEN) + && (func != PARS_PRINTF_TOKEN)) { + ut_error; + } + + arg = que_node_get_next(arg); + } + + if (class == PARS_FUNC_CMP) { + eval_cmp(func_node); + } else if (class == PARS_FUNC_ARITH) { + eval_arith(func_node); + } else if (class == PARS_FUNC_AGGREGATE) { + eval_aggregate(func_node); + } else if (class == PARS_FUNC_PREDEFINED) { + + if (func == PARS_NOTFOUND_TOKEN) { + eval_notfound(func_node); + } else if (func == PARS_SUBSTR_TOKEN) { + eval_substr(func_node); + } else if (func == PARS_REPLSTR_TOKEN) { + eval_replstr(func_node); + } else if (func == PARS_INSTR_TOKEN) { + eval_instr(func_node); + } else if (func == PARS_BINARY_TO_NUMBER_TOKEN) { + eval_binary_to_number(func_node); + } else if (func == PARS_CONCAT_TOKEN) { + eval_concat(func_node); + } else if (func == PARS_TO_BINARY_TOKEN) { + eval_to_binary(func_node); + } else { + eval_predefined(func_node); + } + } else { + ut_ad(class == PARS_FUNC_LOGICAL); + + eval_logical(func_node); + } +} diff --git a/perfschema/eval/eval0proc.c b/perfschema/eval/eval0proc.c new file mode 100644 index 00000000000..3a4218d92bf --- /dev/null +++ b/perfschema/eval/eval0proc.c @@ -0,0 +1,295 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file eval/eval0proc.c +Executes SQL stored procedures and their control structures + +Created 1/20/1998 Heikki Tuuri +*******************************************************/ + +#include "eval0proc.h" + +#ifdef UNIV_NONINL +#include "eval0proc.ic" +#endif + +/**********************************************************************//** +Performs an execution step of an if-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +if_step( +/*====*/ + que_thr_t* thr) /*!< in: query thread */ +{ + if_node_t* node; + elsif_node_t* elsif_node; + + ut_ad(thr); + + node = thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_IF); + + if (thr->prev_node == que_node_get_parent(node)) { + + /* Evaluate the condition */ + + eval_exp(node->cond); + + if (eval_node_get_ibool_val(node->cond)) { + + /* The condition evaluated to TRUE: start execution + from the first statement in the statement list */ + + thr->run_node = node->stat_list; + + } else if (node->else_part) { + thr->run_node = node->else_part; + + } else if (node->elsif_list) { + elsif_node = node->elsif_list; + + for (;;) { + eval_exp(elsif_node->cond); + + if (eval_node_get_ibool_val( + elsif_node->cond)) { + + /* The condition evaluated to TRUE: + start execution from the first + statement in the statement list */ + + thr->run_node = elsif_node->stat_list; + + break; + } + + elsif_node = que_node_get_next(elsif_node); + + if (elsif_node == NULL) { + thr->run_node = NULL; + + break; + } + } + } else { + thr->run_node = NULL; + } + } else { + /* Move to the next statement */ + ut_ad(que_node_get_next(thr->prev_node) == NULL); + + thr->run_node = NULL; + } + + if (thr->run_node == NULL) { + thr->run_node = que_node_get_parent(node); + } + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of a while-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +while_step( +/*=======*/ + que_thr_t* thr) /*!< in: query thread */ +{ + while_node_t* node; + + ut_ad(thr); + + node = thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_WHILE); + + ut_ad((thr->prev_node == que_node_get_parent(node)) + || (que_node_get_next(thr->prev_node) == NULL)); + + /* Evaluate the condition */ + + eval_exp(node->cond); + + if (eval_node_get_ibool_val(node->cond)) { + + /* The condition evaluated to TRUE: start execution + from the first statement in the statement list */ + + thr->run_node = node->stat_list; + } else { + thr->run_node = que_node_get_parent(node); + } + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of an assignment statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +assign_step( +/*========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + assign_node_t* node; + + ut_ad(thr); + + node = thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_ASSIGNMENT); + + /* Evaluate the value to assign */ + + eval_exp(node->val); + + eval_node_copy_val(node->var->alias, node->val); + + thr->run_node = que_node_get_parent(node); + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of a for-loop node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +for_step( +/*=====*/ + que_thr_t* thr) /*!< in: query thread */ +{ + for_node_t* node; + que_node_t* parent; + lint loop_var_value; + + ut_ad(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_FOR); + + parent = que_node_get_parent(node); + + if (thr->prev_node != parent) { + + /* Move to the next statement */ + thr->run_node = que_node_get_next(thr->prev_node); + + if (thr->run_node != NULL) { + + return(thr); + } + + /* Increment the value of loop_var */ + + loop_var_value = 1 + eval_node_get_int_val(node->loop_var); + } else { + /* Initialize the loop */ + + eval_exp(node->loop_start_limit); + eval_exp(node->loop_end_limit); + + loop_var_value = eval_node_get_int_val(node->loop_start_limit); + + node->loop_end_value + = (int) eval_node_get_int_val(node->loop_end_limit); + } + + /* Check if we should do another loop */ + + if (loop_var_value > node->loop_end_value) { + + /* Enough loops done */ + + thr->run_node = parent; + } else { + eval_node_set_int_val(node->loop_var, loop_var_value); + + thr->run_node = node->stat_list; + } + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of an exit statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +exit_step( +/*======*/ + que_thr_t* thr) /*!< in: query thread */ +{ + exit_node_t* node; + que_node_t* loop_node; + + ut_ad(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_EXIT); + + /* Loops exit by setting thr->run_node as the loop node's parent, so + find our containing loop node and get its parent. */ + + loop_node = que_node_get_containing_loop_node(node); + + /* If someone uses an EXIT statement outside of a loop, this will + trigger. */ + ut_a(loop_node); + + thr->run_node = que_node_get_parent(loop_node); + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of a return-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +return_step( +/*========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + return_node_t* node; + que_node_t* parent; + + ut_ad(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_RETURN); + + parent = node; + + while (que_node_get_type(parent) != QUE_NODE_PROC) { + + parent = que_node_get_parent(parent); + } + + ut_a(parent); + + thr->run_node = que_node_get_parent(parent); + + return(thr); +} diff --git a/perfschema/fil/fil0fil.c b/perfschema/fil/fil0fil.c new file mode 100644 index 00000000000..f0fe36aa66a --- /dev/null +++ b/perfschema/fil/fil0fil.c @@ -0,0 +1,4824 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file fil/fil0fil.c +The tablespace memory cache + +Created 10/25/1995 Heikki Tuuri +*******************************************************/ + +#include "fil0fil.h" + +#include "mem0mem.h" +#include "hash0hash.h" +#include "os0file.h" +#include "mach0data.h" +#include "buf0buf.h" +#include "buf0flu.h" +#include "log0recv.h" +#include "fsp0fsp.h" +#include "srv0srv.h" +#include "srv0start.h" +#include "mtr0mtr.h" +#include "mtr0log.h" +#include "dict0dict.h" +#include "page0page.h" +#include "page0zip.h" +#ifndef UNIV_HOTBACKUP +# include "buf0lru.h" +# include "ibuf0ibuf.h" +# include "sync0sync.h" +# include "os0sync.h" +#else /* !UNIV_HOTBACKUP */ +static ulint srv_data_read, srv_data_written; +#endif /* !UNIV_HOTBACKUP */ + +/* + IMPLEMENTATION OF THE TABLESPACE MEMORY CACHE + ============================================= + +The tablespace cache is responsible for providing fast read/write access to +tablespaces and logs of the database. File creation and deletion is done +in other modules which know more of the logic of the operation, however. + +A tablespace consists of a chain of files. The size of the files does not +have to be divisible by the database block size, because we may just leave +the last incomplete block unused. When a new file is appended to the +tablespace, the maximum size of the file is also specified. At the moment, +we think that it is best to extend the file to its maximum size already at +the creation of the file, because then we can avoid dynamically extending +the file when more space is needed for the tablespace. + +A block's position in the tablespace is specified with a 32-bit unsigned +integer. The files in the chain are thought to be catenated, and the block +corresponding to an address n is the nth block in the catenated file (where +the first block is named the 0th block, and the incomplete block fragments +at the end of files are not taken into account). A tablespace can be extended +by appending a new file at the end of the chain. + +Our tablespace concept is similar to the one of Oracle. + +To acquire more speed in disk transfers, a technique called disk striping is +sometimes used. This means that logical block addresses are divided in a +round-robin fashion across several disks. Windows NT supports disk striping, +so there we do not need to support it in the database. Disk striping is +implemented in hardware in RAID disks. We conclude that it is not necessary +to implement it in the database. Oracle 7 does not support disk striping, +either. + +Another trick used at some database sites is replacing tablespace files by +raw disks, that is, the whole physical disk drive, or a partition of it, is +opened as a single file, and it is accessed through byte offsets calculated +from the start of the disk or the partition. This is recommended in some +books on database tuning to achieve more speed in i/o. Using raw disk +certainly prevents the OS from fragmenting disk space, but it is not clear +if it really adds speed. We measured on the Pentium 100 MHz + NT + NTFS file +system + EIDE Conner disk only a negligible difference in speed when reading +from a file, versus reading from a raw disk. + +To have fast access to a tablespace or a log file, we put the data structures +to a hash table. Each tablespace and log file is given an unique 32-bit +identifier. + +Some operating systems do not support many open files at the same time, +though NT seems to tolerate at least 900 open files. Therefore, we put the +open files in an LRU-list. If we need to open another file, we may close the +file at the end of the LRU-list. When an i/o-operation is pending on a file, +the file cannot be closed. We take the file nodes with pending i/o-operations +out of the LRU-list and keep a count of pending operations. When an operation +completes, we decrement the count and return the file node to the LRU-list if +the count drops to zero. */ + +/** When mysqld is run, the default directory "." is the mysqld datadir, +but in the MySQL Embedded Server Library and ibbackup it is not the default +directory, and we must set the base file path explicitly */ +UNIV_INTERN const char* fil_path_to_mysql_datadir = "."; + +/** The number of fsyncs done to the log */ +UNIV_INTERN ulint fil_n_log_flushes = 0; + +/** Number of pending redo log flushes */ +UNIV_INTERN ulint fil_n_pending_log_flushes = 0; +/** Number of pending tablespace flushes */ +UNIV_INTERN ulint fil_n_pending_tablespace_flushes = 0; + +/** The null file address */ +UNIV_INTERN fil_addr_t fil_addr_null = {FIL_NULL, 0}; + +/** File node of a tablespace or the log data space */ +struct fil_node_struct { + fil_space_t* space; /*!< backpointer to the space where this node + belongs */ + char* name; /*!< path to the file */ + ibool open; /*!< TRUE if file open */ + os_file_t handle; /*!< OS handle to the file, if file open */ + ibool is_raw_disk;/*!< TRUE if the 'file' is actually a raw + device or a raw disk partition */ + ulint size; /*!< size of the file in database pages, 0 if + not known yet; the possible last incomplete + megabyte may be ignored if space == 0 */ + ulint n_pending; + /*!< count of pending i/o's on this file; + closing of the file is not allowed if + this is > 0 */ + ulint n_pending_flushes; + /*!< count of pending flushes on this file; + closing of the file is not allowed if + this is > 0 */ + ib_int64_t modification_counter;/*!< when we write to the file we + increment this by one */ + ib_int64_t flush_counter;/*!< up to what + modification_counter value we have + flushed the modifications to disk */ + UT_LIST_NODE_T(fil_node_t) chain; + /*!< link field for the file chain */ + UT_LIST_NODE_T(fil_node_t) LRU; + /*!< link field for the LRU list */ + ulint magic_n;/*!< FIL_NODE_MAGIC_N */ +}; + +/** Value of fil_node_struct::magic_n */ +#define FIL_NODE_MAGIC_N 89389 + +/** Tablespace or log data space: let us call them by a common name space */ +struct fil_space_struct { + char* name; /*!< space name = the path to the first file in + it */ + ulint id; /*!< space id */ + ib_int64_t tablespace_version; + /*!< in DISCARD/IMPORT this timestamp + is used to check if we should ignore + an insert buffer merge request for a + page because it actually was for the + previous incarnation of the space */ + ibool mark; /*!< this is set to TRUE at database startup if + the space corresponds to a table in the InnoDB + data dictionary; so we can print a warning of + orphaned tablespaces */ + ibool stop_ios;/*!< TRUE if we want to rename the + .ibd file of tablespace and want to + stop temporarily posting of new i/o + requests on the file */ + ibool stop_ibuf_merges; + /*!< we set this TRUE when we start + deleting a single-table tablespace */ + ibool is_being_deleted; + /*!< this is set to TRUE when we start + deleting a single-table tablespace and its + file; when this flag is set no further i/o + or flush requests can be placed on this space, + though there may be such requests still being + processed on this space */ + ulint purpose;/*!< FIL_TABLESPACE, FIL_LOG, or + FIL_ARCH_LOG */ + UT_LIST_BASE_NODE_T(fil_node_t) chain; + /*!< base node for the file chain */ + ulint size; /*!< space size in pages; 0 if a single-table + tablespace whose size we do not know yet; + last incomplete megabytes in data files may be + ignored if space == 0 */ + ulint flags; /*!< compressed page size and file format, or 0 */ + ulint n_reserved_extents; + /*!< number of reserved free extents for + ongoing operations like B-tree page split */ + ulint n_pending_flushes; /*!< this is positive when flushing + the tablespace to disk; dropping of the + tablespace is forbidden if this is positive */ + ulint n_pending_ibuf_merges;/*!< this is positive + when merging insert buffer entries to + a page so that we may need to access + the ibuf bitmap page in the + tablespade: dropping of the tablespace + is forbidden if this is positive */ + hash_node_t hash; /*!< hash chain node */ + hash_node_t name_hash;/*!< hash chain the name_hash table */ +#ifndef UNIV_HOTBACKUP + rw_lock_t latch; /*!< latch protecting the file space storage + allocation */ +#endif /* !UNIV_HOTBACKUP */ + UT_LIST_NODE_T(fil_space_t) unflushed_spaces; + /*!< list of spaces with at least one unflushed + file we have written to */ + ibool is_in_unflushed_spaces; /*!< TRUE if this space is + currently in unflushed_spaces */ + UT_LIST_NODE_T(fil_space_t) space_list; + /*!< list of all spaces */ + ulint magic_n;/*!< FIL_SPACE_MAGIC_N */ +}; + +/** Value of fil_space_struct::magic_n */ +#define FIL_SPACE_MAGIC_N 89472 + +/** The tablespace memory cache */ +typedef struct fil_system_struct fil_system_t; + +/** The tablespace memory cache; also the totality of logs (the log +data space) is stored here; below we talk about tablespaces, but also +the ib_logfiles form a 'space' and it is handled here */ + +struct fil_system_struct { +#ifndef UNIV_HOTBACKUP + mutex_t mutex; /*!< The mutex protecting the cache */ +#endif /* !UNIV_HOTBACKUP */ + hash_table_t* spaces; /*!< The hash table of spaces in the + system; they are hashed on the space + id */ + hash_table_t* name_hash; /*!< hash table based on the space + name */ + UT_LIST_BASE_NODE_T(fil_node_t) LRU; + /*!< base node for the LRU list of the + most recently used open files with no + pending i/o's; if we start an i/o on + the file, we first remove it from this + list, and return it to the start of + the list when the i/o ends; + log files and the system tablespace are + not put to this list: they are opened + after the startup, and kept open until + shutdown */ + UT_LIST_BASE_NODE_T(fil_space_t) unflushed_spaces; + /*!< base node for the list of those + tablespaces whose files contain + unflushed writes; those spaces have + at least one file node where + modification_counter > flush_counter */ + ulint n_open; /*!< number of files currently open */ + ulint max_n_open; /*!< n_open is not allowed to exceed + this */ + ib_int64_t modification_counter;/*!< when we write to a file we + increment this by one */ + ulint max_assigned_id;/*!< maximum space id in the existing + tables, or assigned during the time + mysqld has been up; at an InnoDB + startup we scan the data dictionary + and set here the maximum of the + space id's of the tables there */ + ib_int64_t tablespace_version; + /*!< a counter which is incremented for + every space object memory creation; + every space mem object gets a + 'timestamp' from this; in DISCARD/ + IMPORT this is used to check if we + should ignore an insert buffer merge + request */ + UT_LIST_BASE_NODE_T(fil_space_t) space_list; + /*!< list of all file spaces */ +}; + +/** The tablespace memory cache. This variable is NULL before the module is +initialized. */ +static fil_system_t* fil_system = NULL; + + +/********************************************************************//** +NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! + +Prepares a file node for i/o. Opens the file if it is closed. Updates the +pending i/o's field in the node and the system appropriately. Takes the node +off the LRU list if it is in the LRU list. The caller must hold the fil_sys +mutex. */ +static +void +fil_node_prepare_for_io( +/*====================*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space); /*!< in: space */ +/********************************************************************//** +Updates the data structures when an i/o operation finishes. Updates the +pending i/o's field in the node appropriately. */ +static +void +fil_node_complete_io( +/*=================*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + ulint type); /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks + the node as modified if + type == OS_FILE_WRITE */ +/*******************************************************************//** +Checks if a single-table tablespace for a given table name exists in the +tablespace memory cache. +@return space id, ULINT_UNDEFINED if not found */ +static +ulint +fil_get_space_id_for_table( +/*=======================*/ + const char* name); /*!< in: table name in the standard + 'databasename/tablename' format */ +/*******************************************************************//** +Frees a space object from the tablespace memory cache. Closes the files in +the chain but does not delete them. There must not be any pending i/o's or +flushes on the files. */ +static +ibool +fil_space_free( +/*===========*/ + /* out: TRUE if success */ + ulint id, /* in: space id */ + ibool own_mutex);/* in: TRUE if own system->mutex */ +/********************************************************************//** +Reads data from a space to a buffer. Remember that the possible incomplete +blocks at the end of file are ignored: they are not taken into account when +calculating the byte offset within a space. +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ +UNIV_INLINE +ulint +fil_read( +/*=====*/ + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio + this must be divisible by the OS block size */ + ulint len, /*!< in: how many bytes to read; this must not + cross a file boundary; in aio this must be a + block size multiple */ + void* buf, /*!< in/out: buffer where to store data read; + in aio this must be appropriately aligned */ + void* message) /*!< in: message for aio handler if non-sync + aio used, else ignored */ +{ + return(fil_io(OS_FILE_READ, sync, space_id, zip_size, block_offset, + byte_offset, len, buf, message)); +} + +/********************************************************************//** +Writes data to a space from a buffer. Remember that the possible incomplete +blocks at the end of file are ignored: they are not taken into account when +calculating the byte offset within a space. +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ +UNIV_INLINE +ulint +fil_write( +/*======*/ + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in aio + this must be divisible by the OS block size */ + ulint len, /*!< in: how many bytes to write; this must + not cross a file boundary; in aio this must + be a block size multiple */ + void* buf, /*!< in: buffer from which to write; in aio + this must be appropriately aligned */ + void* message) /*!< in: message for aio handler if non-sync + aio used, else ignored */ +{ + return(fil_io(OS_FILE_WRITE, sync, space_id, zip_size, block_offset, + byte_offset, len, buf, message)); +} + +/*******************************************************************//** +Returns the table space by a given id, NULL if not found. */ +UNIV_INLINE +fil_space_t* +fil_space_get_by_id( +/*================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + + ut_ad(mutex_own(&fil_system->mutex)); + + HASH_SEARCH(hash, fil_system->spaces, id, + fil_space_t*, space, + ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), + space->id == id); + + return(space); +} + +/*******************************************************************//** +Returns the table space by a given name, NULL if not found. */ +UNIV_INLINE +fil_space_t* +fil_space_get_by_name( +/*==================*/ + const char* name) /*!< in: space name */ +{ + fil_space_t* space; + ulint fold; + + ut_ad(mutex_own(&fil_system->mutex)); + + fold = ut_fold_string(name); + + HASH_SEARCH(name_hash, fil_system->name_hash, fold, + fil_space_t*, space, + ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), + !strcmp(name, space->name)); + + return(space); +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Returns the version number of a tablespace, -1 if not found. +@return version number, -1 if the tablespace does not exist in the +memory cache */ +UNIV_INTERN +ib_int64_t +fil_space_get_version( +/*==================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + ib_int64_t version = -1; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space) { + version = space->tablespace_version; + } + + mutex_exit(&fil_system->mutex); + + return(version); +} + +/*******************************************************************//** +Returns the latch of a file space. +@return latch protecting storage allocation */ +UNIV_INTERN +rw_lock_t* +fil_space_get_latch( +/*================*/ + ulint id, /*!< in: space id */ + ulint* flags) /*!< out: tablespace flags */ +{ + fil_space_t* space; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + + if (flags) { + *flags = space->flags; + } + + mutex_exit(&fil_system->mutex); + + return(&(space->latch)); +} + +/*******************************************************************//** +Returns the type of a file space. +@return FIL_TABLESPACE or FIL_LOG */ +UNIV_INTERN +ulint +fil_space_get_type( +/*===============*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + + mutex_exit(&fil_system->mutex); + + return(space->purpose); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Checks if all the file nodes in a space are flushed. The caller must hold +the fil_system mutex. +@return TRUE if all are flushed */ +static +ibool +fil_space_is_flushed( +/*=================*/ + fil_space_t* space) /*!< in: space */ +{ + fil_node_t* node; + + ut_ad(mutex_own(&fil_system->mutex)); + + node = UT_LIST_GET_FIRST(space->chain); + + while (node) { + if (node->modification_counter > node->flush_counter) { + + return(FALSE); + } + + node = UT_LIST_GET_NEXT(chain, node); + } + + return(TRUE); +} + +/*******************************************************************//** +Appends a new file to the chain of files of a space. File must be closed. */ +UNIV_INTERN +void +fil_node_create( +/*============*/ + const char* name, /*!< in: file name (file must be closed) */ + ulint size, /*!< in: file size in database blocks, rounded + downwards to an integer */ + ulint id, /*!< in: space id where to append */ + ibool is_raw) /*!< in: TRUE if a raw device or + a raw disk partition */ +{ + fil_node_t* node; + fil_space_t* space; + + ut_a(fil_system); + ut_a(name); + + mutex_enter(&fil_system->mutex); + + node = mem_alloc(sizeof(fil_node_t)); + + node->name = mem_strdup(name); + node->open = FALSE; + + ut_a(!is_raw || srv_start_raw_disk_in_use); + + node->is_raw_disk = is_raw; + node->size = size; + node->magic_n = FIL_NODE_MAGIC_N; + node->n_pending = 0; + node->n_pending_flushes = 0; + + node->modification_counter = 0; + node->flush_counter = 0; + + space = fil_space_get_by_id(id); + + if (!space) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: Could not find tablespace %lu for\n" + "InnoDB: file ", (ulong) id); + ut_print_filename(stderr, name); + fputs(" in the tablespace memory cache.\n", stderr); + mem_free(node->name); + + mem_free(node); + + mutex_exit(&fil_system->mutex); + + return; + } + + space->size += size; + + node->space = space; + + UT_LIST_ADD_LAST(chain, space->chain, node); + + if (id < SRV_LOG_SPACE_FIRST_ID && fil_system->max_assigned_id < id) { + + fil_system->max_assigned_id = id; + } + + mutex_exit(&fil_system->mutex); +} + +/********************************************************************//** +Opens a the file of a node of a tablespace. The caller must own the fil_system +mutex. */ +static +void +fil_node_open_file( +/*===============*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space */ +{ + ib_int64_t size_bytes; + ulint size_low; + ulint size_high; + ibool ret; + ibool success; + byte* buf2; + byte* page; + ulint space_id; + ulint flags; + + ut_ad(mutex_own(&(system->mutex))); + ut_a(node->n_pending == 0); + ut_a(node->open == FALSE); + + if (node->size == 0) { + /* It must be a single-table tablespace and we do not know the + size of the file yet. First we open the file in the normal + mode, no async I/O here, for simplicity. Then do some checks, + and close the file again. + NOTE that we could not use the simple file read function + os_file_read() in Windows to read from a file opened for + async I/O! */ + + node->handle = os_file_create_simple_no_error_handling( + node->name, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Fatal error: cannot open %s\n." + "InnoDB: Have you deleted .ibd files" + " under a running mysqld server?\n", + node->name); + ut_a(0); + } + + os_file_get_size(node->handle, &size_low, &size_high); + + size_bytes = (((ib_int64_t)size_high) << 32) + + (ib_int64_t)size_low; +#ifdef UNIV_HOTBACKUP + if (space->id == 0) { + node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); + os_file_close(node->handle); + goto add_size; + } +#endif /* UNIV_HOTBACKUP */ + ut_a(space->purpose != FIL_LOG); + ut_a(space->id != 0); + + if (size_bytes < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { + fprintf(stderr, + "InnoDB: Error: the size of single-table" + " tablespace file %s\n" + "InnoDB: is only %lu %lu," + " should be at least %lu!\n", + node->name, + (ulong) size_high, + (ulong) size_low, + (ulong) (FIL_IBD_FILE_INITIAL_SIZE + * UNIV_PAGE_SIZE)); + + ut_a(0); + } + + /* Read the first page of the tablespace */ + + buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT + set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + + success = os_file_read(node->handle, page, 0, 0, + UNIV_PAGE_SIZE); + space_id = fsp_header_get_space_id(page); + flags = fsp_header_get_flags(page); + + ut_free(buf2); + + /* Close the file now that we have read the space id from it */ + + os_file_close(node->handle); + + if (UNIV_UNLIKELY(space_id != space->id)) { + fprintf(stderr, + "InnoDB: Error: tablespace id is %lu" + " in the data dictionary\n" + "InnoDB: but in file %s it is %lu!\n", + space->id, node->name, space_id); + + ut_error; + } + + if (UNIV_UNLIKELY(space_id == ULINT_UNDEFINED + || space_id == 0)) { + fprintf(stderr, + "InnoDB: Error: tablespace id %lu" + " in file %s is not sensible\n", + (ulong) space_id, node->name); + + ut_error; + } + + if (UNIV_UNLIKELY(space->flags != flags)) { + fprintf(stderr, + "InnoDB: Error: table flags are %lx" + " in the data dictionary\n" + "InnoDB: but the flags in file %s are %lx!\n", + space->flags, node->name, flags); + + ut_error; + } + + if (size_bytes >= 1024 * 1024) { + /* Truncate the size to whole megabytes. */ + size_bytes = ut_2pow_round(size_bytes, 1024 * 1024); + } + + if (!(flags & DICT_TF_ZSSIZE_MASK)) { + node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); + } else { + node->size = (ulint) + (size_bytes + / dict_table_flags_to_zip_size(flags)); + } + +#ifdef UNIV_HOTBACKUP +add_size: +#endif /* UNIV_HOTBACKUP */ + space->size += node->size; + } + + /* printf("Opening file %s\n", node->name); */ + + /* Open the file for reading and writing, in Windows normally in the + unbuffered async I/O mode, though global variables may make + os_file_create() to fall back to the normal file I/O mode. */ + + if (space->purpose == FIL_LOG) { + node->handle = os_file_create(node->name, OS_FILE_OPEN, + OS_FILE_AIO, OS_LOG_FILE, &ret); + } else if (node->is_raw_disk) { + node->handle = os_file_create(node->name, + OS_FILE_OPEN_RAW, + OS_FILE_AIO, OS_DATA_FILE, &ret); + } else { + node->handle = os_file_create(node->name, OS_FILE_OPEN, + OS_FILE_AIO, OS_DATA_FILE, &ret); + } + + ut_a(ret); + + node->open = TRUE; + + system->n_open++; + + if (space->purpose == FIL_TABLESPACE && space->id != 0) { + /* Put the node to the LRU list */ + UT_LIST_ADD_FIRST(LRU, system->LRU, node); + } +} + +/**********************************************************************//** +Closes a file. */ +static +void +fil_node_close_file( +/*================*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system) /*!< in: tablespace memory cache */ +{ + ibool ret; + + ut_ad(node && system); + ut_ad(mutex_own(&(system->mutex))); + ut_a(node->open); + ut_a(node->n_pending == 0); + ut_a(node->n_pending_flushes == 0); + ut_a(node->modification_counter == node->flush_counter); + + ret = os_file_close(node->handle); + ut_a(ret); + + /* printf("Closing file %s\n", node->name); */ + + node->open = FALSE; + ut_a(system->n_open > 0); + system->n_open--; + + if (node->space->purpose == FIL_TABLESPACE && node->space->id != 0) { + ut_a(UT_LIST_GET_LEN(system->LRU) > 0); + + /* The node is in the LRU list, remove it */ + UT_LIST_REMOVE(LRU, system->LRU, node); + } +} + +/********************************************************************//** +Tries to close a file in the LRU list. The caller must hold the fil_sys +mutex. +@return TRUE if success, FALSE if should retry later; since i/o's +generally complete in < 100 ms, and as InnoDB writes at most 128 pages +from the buffer pool in a batch, and then immediately flushes the +files, there is a good chance that the next time we find a suitable +node from the LRU list */ +static +ibool +fil_try_to_close_file_in_LRU( +/*=========================*/ + ibool print_info) /*!< in: if TRUE, prints information why it + cannot close a file */ +{ + fil_node_t* node; + + ut_ad(mutex_own(&fil_system->mutex)); + + node = UT_LIST_GET_LAST(fil_system->LRU); + + if (print_info) { + fprintf(stderr, + "InnoDB: fil_sys open file LRU len %lu\n", + (ulong) UT_LIST_GET_LEN(fil_system->LRU)); + } + + while (node != NULL) { + if (node->modification_counter == node->flush_counter + && node->n_pending_flushes == 0) { + + fil_node_close_file(node, fil_system); + + return(TRUE); + } + + if (print_info && node->n_pending_flushes > 0) { + fputs("InnoDB: cannot close file ", stderr); + ut_print_filename(stderr, node->name); + fprintf(stderr, ", because n_pending_flushes %lu\n", + (ulong) node->n_pending_flushes); + } + + if (print_info + && node->modification_counter != node->flush_counter) { + fputs("InnoDB: cannot close file ", stderr); + ut_print_filename(stderr, node->name); + fprintf(stderr, + ", because mod_count %ld != fl_count %ld\n", + (long) node->modification_counter, + (long) node->flush_counter); + } + + node = UT_LIST_GET_PREV(LRU, node); + } + + return(FALSE); +} + +/*******************************************************************//** +Reserves the fil_system mutex and tries to make sure we can open at least one +file while holding it. This should be called before calling +fil_node_prepare_for_io(), because that function may need to open a file. */ +static +void +fil_mutex_enter_and_prepare_for_io( +/*===============================*/ + ulint space_id) /*!< in: space id */ +{ + fil_space_t* space; + ibool success; + ibool print_info = FALSE; + ulint count = 0; + ulint count2 = 0; + +retry: + mutex_enter(&fil_system->mutex); + + if (space_id == 0 || space_id >= SRV_LOG_SPACE_FIRST_ID) { + /* We keep log files and system tablespace files always open; + this is important in preventing deadlocks in this module, as + a page read completion often performs another read from the + insert buffer. The insert buffer is in tablespace 0, and we + cannot end up waiting in this function. */ + + return; + } + + if (fil_system->n_open < fil_system->max_n_open) { + + return; + } + + space = fil_space_get_by_id(space_id); + + if (space != NULL && space->stop_ios) { + /* We are going to do a rename file and want to stop new i/o's + for a while */ + + if (count2 > 20000) { + fputs("InnoDB: Warning: tablespace ", stderr); + ut_print_filename(stderr, space->name); + fprintf(stderr, + " has i/o ops stopped for a long time %lu\n", + (ulong) count2); + } + + mutex_exit(&fil_system->mutex); + + os_thread_sleep(20000); + + count2++; + + goto retry; + } + + /* If the file is already open, no need to do anything; if the space + does not exist, we handle the situation in the function which called + this function */ + + if (!space || UT_LIST_GET_FIRST(space->chain)->open) { + + return; + } + + if (count > 1) { + print_info = TRUE; + } + + /* Too many files are open, try to close some */ +close_more: + success = fil_try_to_close_file_in_LRU(print_info); + + if (success && fil_system->n_open >= fil_system->max_n_open) { + + goto close_more; + } + + if (fil_system->n_open < fil_system->max_n_open) { + /* Ok */ + + return; + } + + if (count >= 2) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: too many (%lu) files stay open" + " while the maximum\n" + "InnoDB: allowed value would be %lu.\n" + "InnoDB: You may need to raise the value of" + " innodb_open_files in\n" + "InnoDB: my.cnf.\n", + (ulong) fil_system->n_open, + (ulong) fil_system->max_n_open); + + return; + } + + mutex_exit(&fil_system->mutex); + +#ifndef UNIV_HOTBACKUP + /* Wake the i/o-handler threads to make sure pending i/o's are + performed */ + os_aio_simulated_wake_handler_threads(); + + os_thread_sleep(20000); +#endif + /* Flush tablespaces so that we can close modified files in the LRU + list */ + + fil_flush_file_spaces(FIL_TABLESPACE); + + count++; + + goto retry; +} + +/*******************************************************************//** +Frees a file node object from a tablespace memory cache. */ +static +void +fil_node_free( +/*==========*/ + fil_node_t* node, /*!< in, own: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space where the file node is chained */ +{ + ut_ad(node && system && space); + ut_ad(mutex_own(&(system->mutex))); + ut_a(node->magic_n == FIL_NODE_MAGIC_N); + ut_a(node->n_pending == 0); + + if (node->open) { + /* We fool the assertion in fil_node_close_file() to think + there are no unflushed modifications in the file */ + + node->modification_counter = node->flush_counter; + + if (space->is_in_unflushed_spaces + && fil_space_is_flushed(space)) { + + space->is_in_unflushed_spaces = FALSE; + + UT_LIST_REMOVE(unflushed_spaces, + system->unflushed_spaces, + space); + } + + fil_node_close_file(node, system); + } + + space->size -= node->size; + + UT_LIST_REMOVE(chain, space->chain, node); + + mem_free(node->name); + mem_free(node); +} + +#ifdef UNIV_LOG_ARCHIVE +/****************************************************************//** +Drops files from the start of a file space, so that its size is cut by +the amount given. */ +UNIV_INTERN +void +fil_space_truncate_start( +/*=====================*/ + ulint id, /*!< in: space id */ + ulint trunc_len) /*!< in: truncate by this much; it is an error + if this does not equal to the combined size of + some initial files in the space */ +{ + fil_node_t* node; + fil_space_t* space; + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + + while (trunc_len > 0) { + node = UT_LIST_GET_FIRST(space->chain); + + ut_a(node->size * UNIV_PAGE_SIZE <= trunc_len); + + trunc_len -= node->size * UNIV_PAGE_SIZE; + + fil_node_free(node, fil_system, space); + } + + mutex_exit(&fil_system->mutex); +} +#endif /* UNIV_LOG_ARCHIVE */ + +/*******************************************************************//** +Creates a space memory object and puts it to the tablespace memory cache. If +there is an error, prints an error message to the .err log. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_space_create( +/*=============*/ + const char* name, /*!< in: space name */ + ulint id, /*!< in: space id */ + ulint flags, /*!< in: compressed page size + and file format, or 0 */ + ulint purpose)/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ +{ + fil_space_t* space; + + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ + ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); + +try_again: + /*printf( + "InnoDB: Adding tablespace %lu of name %s, purpose %lu\n", id, name, + purpose);*/ + + ut_a(fil_system); + ut_a(name); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_name(name); + + if (UNIV_LIKELY_NULL(space)) { + ulint namesake_id; + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: trying to init to the" + " tablespace memory cache\n" + "InnoDB: a tablespace %lu of name ", (ulong) id); + ut_print_filename(stderr, name); + fprintf(stderr, ",\n" + "InnoDB: but a tablespace %lu of the same name\n" + "InnoDB: already exists in the" + " tablespace memory cache!\n", + (ulong) space->id); + + if (id == 0 || purpose != FIL_TABLESPACE) { + + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + fprintf(stderr, + "InnoDB: We assume that InnoDB did a crash recovery," + " and you had\n" + "InnoDB: an .ibd file for which the table" + " did not exist in the\n" + "InnoDB: InnoDB internal data dictionary in the" + " ibdata files.\n" + "InnoDB: We assume that you later removed the" + " .ibd and .frm files,\n" + "InnoDB: and are now trying to recreate the table." + " We now remove the\n" + "InnoDB: conflicting tablespace object" + " from the memory cache and try\n" + "InnoDB: the init again.\n"); + + namesake_id = space->id; + + mutex_exit(&fil_system->mutex); + + fil_space_free(namesake_id, FALSE); + + goto try_again; + } + + space = fil_space_get_by_id(id); + + if (UNIV_LIKELY_NULL(space)) { + fprintf(stderr, + "InnoDB: Error: trying to add tablespace %lu" + " of name ", (ulong) id); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: to the tablespace memory cache," + " but tablespace\n" + "InnoDB: %lu of name ", (ulong) space->id); + ut_print_filename(stderr, space->name); + fputs(" already exists in the tablespace\n" + "InnoDB: memory cache!\n", stderr); + + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + space = mem_alloc(sizeof(fil_space_t)); + + space->name = mem_strdup(name); + space->id = id; + + fil_system->tablespace_version++; + space->tablespace_version = fil_system->tablespace_version; + space->mark = FALSE; + + if (purpose == FIL_TABLESPACE && id > fil_system->max_assigned_id) { + fil_system->max_assigned_id = id; + } + + space->stop_ios = FALSE; + space->stop_ibuf_merges = FALSE; + space->is_being_deleted = FALSE; + space->purpose = purpose; + space->size = 0; + space->flags = flags; + + space->n_reserved_extents = 0; + + space->n_pending_flushes = 0; + space->n_pending_ibuf_merges = 0; + + UT_LIST_INIT(space->chain); + space->magic_n = FIL_SPACE_MAGIC_N; + + rw_lock_create(&space->latch, SYNC_FSP); + + HASH_INSERT(fil_space_t, hash, fil_system->spaces, id, space); + + HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, + ut_fold_string(name), space); + space->is_in_unflushed_spaces = FALSE; + + UT_LIST_ADD_LAST(space_list, fil_system->space_list, space); + + mutex_exit(&fil_system->mutex); + + return(TRUE); +} + +/*******************************************************************//** +Assigns a new space id for a new single-table tablespace. This works simply by +incrementing the global counter. If 4 billion id's is not enough, we may need +to recycle id's. +@return new tablespace id; ULINT_UNDEFINED if could not assign an id */ +static +ulint +fil_assign_new_space_id(void) +/*=========================*/ +{ + ulint id; + + mutex_enter(&fil_system->mutex); + + fil_system->max_assigned_id++; + + id = fil_system->max_assigned_id; + + if (id > (SRV_LOG_SPACE_FIRST_ID / 2) && (id % 1000000UL == 0)) { + ut_print_timestamp(stderr); + fprintf(stderr, + "InnoDB: Warning: you are running out of new" + " single-table tablespace id's.\n" + "InnoDB: Current counter is %lu and it" + " must not exceed %lu!\n" + "InnoDB: To reset the counter to zero" + " you have to dump all your tables and\n" + "InnoDB: recreate the whole InnoDB installation.\n", + (ulong) id, + (ulong) SRV_LOG_SPACE_FIRST_ID); + } + + if (id >= SRV_LOG_SPACE_FIRST_ID) { + ut_print_timestamp(stderr); + fprintf(stderr, + "InnoDB: You have run out of single-table" + " tablespace id's!\n" + "InnoDB: Current counter is %lu.\n" + "InnoDB: To reset the counter to zero you" + " have to dump all your tables and\n" + "InnoDB: recreate the whole InnoDB installation.\n", + (ulong) id); + fil_system->max_assigned_id--; + + id = ULINT_UNDEFINED; + } + + mutex_exit(&fil_system->mutex); + + return(id); +} + +/*******************************************************************//** +Frees a space object from the tablespace memory cache. Closes the files in +the chain but does not delete them. There must not be any pending i/o's or +flushes on the files. +@return TRUE if success */ +static +ibool +fil_space_free( +/*===========*/ + /* out: TRUE if success */ + ulint id, /* in: space id */ + ibool own_mutex) /* in: TRUE if own system->mutex */ +{ + fil_space_t* space; + fil_space_t* namespace; + fil_node_t* fil_node; + + if (!own_mutex) { + mutex_enter(&fil_system->mutex); + } + + space = fil_space_get_by_id(id); + + if (!space) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: trying to remove tablespace %lu" + " from the cache but\n" + "InnoDB: it is not there.\n", (ulong) id); + + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + HASH_DELETE(fil_space_t, hash, fil_system->spaces, id, space); + + namespace = fil_space_get_by_name(space->name); + ut_a(namespace); + ut_a(space == namespace); + + HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, + ut_fold_string(space->name), space); + + if (space->is_in_unflushed_spaces) { + space->is_in_unflushed_spaces = FALSE; + + UT_LIST_REMOVE(unflushed_spaces, fil_system->unflushed_spaces, + space); + } + + UT_LIST_REMOVE(space_list, fil_system->space_list, space); + + ut_a(space->magic_n == FIL_SPACE_MAGIC_N); + ut_a(0 == space->n_pending_flushes); + + fil_node = UT_LIST_GET_FIRST(space->chain); + + while (fil_node != NULL) { + fil_node_free(fil_node, fil_system, space); + + fil_node = UT_LIST_GET_FIRST(space->chain); + } + + ut_a(0 == UT_LIST_GET_LEN(space->chain)); + + if (!own_mutex) { + mutex_exit(&fil_system->mutex); + } + + rw_lock_free(&(space->latch)); + + mem_free(space->name); + mem_free(space); + + return(TRUE); +} + +/*******************************************************************//** +Returns the size of the space in pages. The tablespace must be cached in the +memory cache. +@return space size, 0 if space not found */ +UNIV_INTERN +ulint +fil_space_get_size( +/*===============*/ + ulint id) /*!< in: space id */ +{ + fil_node_t* node; + fil_space_t* space; + ulint size; + + ut_ad(fil_system); + + fil_mutex_enter_and_prepare_for_io(id); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + mutex_exit(&fil_system->mutex); + + return(0); + } + + if (space->size == 0 && space->purpose == FIL_TABLESPACE) { + ut_a(id != 0); + + ut_a(1 == UT_LIST_GET_LEN(space->chain)); + + node = UT_LIST_GET_FIRST(space->chain); + + /* It must be a single-table tablespace and we have not opened + the file yet; the following calls will open it and update the + size fields */ + + fil_node_prepare_for_io(node, fil_system, space); + fil_node_complete_io(node, fil_system, OS_FILE_READ); + } + + size = space->size; + + mutex_exit(&fil_system->mutex); + + return(size); +} + +/*******************************************************************//** +Returns the flags of the space. The tablespace must be cached +in the memory cache. +@return flags, ULINT_UNDEFINED if space not found */ +UNIV_INTERN +ulint +fil_space_get_flags( +/*================*/ + ulint id) /*!< in: space id */ +{ + fil_node_t* node; + fil_space_t* space; + ulint flags; + + ut_ad(fil_system); + + if (UNIV_UNLIKELY(!id)) { + return(0); + } + + fil_mutex_enter_and_prepare_for_io(id); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + mutex_exit(&fil_system->mutex); + + return(ULINT_UNDEFINED); + } + + if (space->size == 0 && space->purpose == FIL_TABLESPACE) { + ut_a(id != 0); + + ut_a(1 == UT_LIST_GET_LEN(space->chain)); + + node = UT_LIST_GET_FIRST(space->chain); + + /* It must be a single-table tablespace and we have not opened + the file yet; the following calls will open it and update the + size fields */ + + fil_node_prepare_for_io(node, fil_system, space); + fil_node_complete_io(node, fil_system, OS_FILE_READ); + } + + flags = space->flags; + + mutex_exit(&fil_system->mutex); + + return(flags); +} + +/*******************************************************************//** +Returns the compressed page size of the space, or 0 if the space +is not compressed. The tablespace must be cached in the memory cache. +@return compressed page size, ULINT_UNDEFINED if space not found */ +UNIV_INTERN +ulint +fil_space_get_zip_size( +/*===================*/ + ulint id) /*!< in: space id */ +{ + ulint flags; + + flags = fil_space_get_flags(id); + + if (flags && flags != ULINT_UNDEFINED) { + + return(dict_table_flags_to_zip_size(flags)); + } + + return(flags); +} + +/*******************************************************************//** +Checks if the pair space, page_no refers to an existing page in a tablespace +file space. The tablespace must be cached in the memory cache. +@return TRUE if the address is meaningful */ +UNIV_INTERN +ibool +fil_check_adress_in_tablespace( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint page_no)/*!< in: page number */ +{ + if (fil_space_get_size(id) > page_no) { + + return(TRUE); + } + + return(FALSE); +} + +/****************************************************************//** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_init( +/*=====*/ + ulint hash_size, /*!< in: hash table size */ + ulint max_n_open) /*!< in: max number of open files */ +{ + ut_a(fil_system == NULL); + + ut_a(hash_size > 0); + ut_a(max_n_open > 0); + + fil_system = mem_alloc(sizeof(fil_system_t)); + + mutex_create(&fil_system->mutex, SYNC_ANY_LATCH); + + fil_system->spaces = hash_create(hash_size); + fil_system->name_hash = hash_create(hash_size); + + UT_LIST_INIT(fil_system->LRU); + + fil_system->n_open = 0; + fil_system->max_n_open = max_n_open; + + fil_system->modification_counter = 0; + fil_system->max_assigned_id = 0; + + fil_system->tablespace_version = 0; + + UT_LIST_INIT(fil_system->unflushed_spaces); + UT_LIST_INIT(fil_system->space_list); +} + +/*******************************************************************//** +Opens all log files and system tablespace data files. They stay open until the +database server shutdown. This should be called at a server startup after the +space objects for the log and the system tablespace have been created. The +purpose of this operation is to make sure we never run out of file descriptors +if we need to read from the insert buffer or to write to the log. */ +UNIV_INTERN +void +fil_open_log_and_system_tablespace_files(void) +/*==========================================*/ +{ + fil_space_t* space; + fil_node_t* node; + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_FIRST(fil_system->space_list); + + while (space != NULL) { + if (space->purpose != FIL_TABLESPACE || space->id == 0) { + node = UT_LIST_GET_FIRST(space->chain); + + while (node != NULL) { + if (!node->open) { + fil_node_open_file(node, fil_system, + space); + } + if (fil_system->max_n_open + < 10 + fil_system->n_open) { + fprintf(stderr, + "InnoDB: Warning: you must" + " raise the value of" + " innodb_open_files in\n" + "InnoDB: my.cnf! Remember that" + " InnoDB keeps all log files" + " and all system\n" + "InnoDB: tablespace files open" + " for the whole time mysqld is" + " running, and\n" + "InnoDB: needs to open also" + " some .ibd files if the" + " file-per-table storage\n" + "InnoDB: model is used." + " Current open files %lu," + " max allowed" + " open files %lu.\n", + (ulong) fil_system->n_open, + (ulong) fil_system->max_n_open); + } + node = UT_LIST_GET_NEXT(chain, node); + } + } + space = UT_LIST_GET_NEXT(space_list, space); + } + + mutex_exit(&fil_system->mutex); +} + +/*******************************************************************//** +Closes all open files. There must not be any pending i/o's or not flushed +modifications in the files. */ +UNIV_INTERN +void +fil_close_all_files(void) +/*=====================*/ +{ + fil_space_t* space; + fil_node_t* node; + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_FIRST(fil_system->space_list); + + while (space != NULL) { + fil_space_t* prev_space = space; + + node = UT_LIST_GET_FIRST(space->chain); + + while (node != NULL) { + if (node->open) { + fil_node_close_file(node, fil_system); + } + node = UT_LIST_GET_NEXT(chain, node); + } + space = UT_LIST_GET_NEXT(space_list, space); + fil_space_free(prev_space->id, TRUE); + } + + mutex_exit(&fil_system->mutex); +} + +/*******************************************************************//** +Sets the max tablespace id counter if the given number is bigger than the +previous value. */ +UNIV_INTERN +void +fil_set_max_space_id_if_bigger( +/*===========================*/ + ulint max_id) /*!< in: maximum known id */ +{ + if (max_id >= SRV_LOG_SPACE_FIRST_ID) { + fprintf(stderr, + "InnoDB: Fatal error: max tablespace id" + " is too high, %lu\n", (ulong) max_id); + ut_error; + } + + mutex_enter(&fil_system->mutex); + + if (fil_system->max_assigned_id < max_id) { + + fil_system->max_assigned_id = max_id; + } + + mutex_exit(&fil_system->mutex); +} + +/****************************************************************//** +Writes the flushed lsn and the latest archived log number to the page header +of the first page of a data file of the system tablespace (space 0), +which is uncompressed. */ +static +ulint +fil_write_lsn_and_arch_no_to_file( +/*==============================*/ + ulint sum_of_sizes, /*!< in: combined size of previous files + in space, in database pages */ + ib_uint64_t lsn, /*!< in: lsn to write */ + ulint arch_log_no __attribute__((unused))) + /*!< in: archived log number to write */ +{ + byte* buf1; + byte* buf; + + buf1 = mem_alloc(2 * UNIV_PAGE_SIZE); + buf = ut_align(buf1, UNIV_PAGE_SIZE); + + fil_read(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL); + + mach_write_ull(buf + FIL_PAGE_FILE_FLUSH_LSN, lsn); + + fil_write(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL); + + mem_free(buf1); + + return(DB_SUCCESS); +} + +/****************************************************************//** +Writes the flushed lsn and the latest archived log number to the page +header of the first page of each data file in the system tablespace. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +fil_write_flushed_lsn_to_data_files( +/*================================*/ + ib_uint64_t lsn, /*!< in: lsn to write */ + ulint arch_log_no) /*!< in: latest archived log + file number */ +{ + fil_space_t* space; + fil_node_t* node; + ulint sum_of_sizes; + ulint err; + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_FIRST(fil_system->space_list); + + while (space) { + /* We only write the lsn to all existing data files which have + been open during the lifetime of the mysqld process; they are + represented by the space objects in the tablespace memory + cache. Note that all data files in the system tablespace 0 are + always open. */ + + if (space->purpose == FIL_TABLESPACE + && space->id == 0) { + sum_of_sizes = 0; + + node = UT_LIST_GET_FIRST(space->chain); + while (node) { + mutex_exit(&fil_system->mutex); + + err = fil_write_lsn_and_arch_no_to_file( + sum_of_sizes, lsn, arch_log_no); + if (err != DB_SUCCESS) { + + return(err); + } + + mutex_enter(&fil_system->mutex); + + sum_of_sizes += node->size; + node = UT_LIST_GET_NEXT(chain, node); + } + } + space = UT_LIST_GET_NEXT(space_list, space); + } + + mutex_exit(&fil_system->mutex); + + return(DB_SUCCESS); +} + +/*******************************************************************//** +Reads the flushed lsn and arch no fields from a data file at database +startup. */ +UNIV_INTERN +void +fil_read_flushed_lsn_and_arch_log_no( +/*=================================*/ + os_file_t data_file, /*!< in: open data file */ + ibool one_read_already, /*!< in: TRUE if min and max + parameters below already + contain sensible data */ +#ifdef UNIV_LOG_ARCHIVE + ulint* min_arch_log_no, /*!< in/out: */ + ulint* max_arch_log_no, /*!< in/out: */ +#endif /* UNIV_LOG_ARCHIVE */ + ib_uint64_t* min_flushed_lsn, /*!< in/out: */ + ib_uint64_t* max_flushed_lsn) /*!< in/out: */ +{ + byte* buf; + byte* buf2; + ib_uint64_t flushed_lsn; + + buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); + /* Align the memory for a possible read from a raw device */ + buf = ut_align(buf2, UNIV_PAGE_SIZE); + + os_file_read(data_file, buf, 0, 0, UNIV_PAGE_SIZE); + + flushed_lsn = mach_read_ull(buf + FIL_PAGE_FILE_FLUSH_LSN); + + ut_free(buf2); + + if (!one_read_already) { + *min_flushed_lsn = flushed_lsn; + *max_flushed_lsn = flushed_lsn; +#ifdef UNIV_LOG_ARCHIVE + *min_arch_log_no = arch_log_no; + *max_arch_log_no = arch_log_no; +#endif /* UNIV_LOG_ARCHIVE */ + return; + } + + if (*min_flushed_lsn > flushed_lsn) { + *min_flushed_lsn = flushed_lsn; + } + if (*max_flushed_lsn < flushed_lsn) { + *max_flushed_lsn = flushed_lsn; + } +#ifdef UNIV_LOG_ARCHIVE + if (*min_arch_log_no > arch_log_no) { + *min_arch_log_no = arch_log_no; + } + if (*max_arch_log_no < arch_log_no) { + *max_arch_log_no = arch_log_no; + } +#endif /* UNIV_LOG_ARCHIVE */ +} + +/*================ SINGLE-TABLE TABLESPACES ==========================*/ + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Increments the count of pending insert buffer page merges, if space is not +being deleted. +@return TRUE if being deleted, and ibuf merges should be skipped */ +UNIV_INTERN +ibool +fil_inc_pending_ibuf_merges( +/*========================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + fprintf(stderr, + "InnoDB: Error: trying to do ibuf merge to a" + " dropped tablespace %lu\n", + (ulong) id); + } + + if (space == NULL || space->stop_ibuf_merges) { + mutex_exit(&fil_system->mutex); + + return(TRUE); + } + + space->n_pending_ibuf_merges++; + + mutex_exit(&fil_system->mutex); + + return(FALSE); +} + +/*******************************************************************//** +Decrements the count of pending insert buffer page merges. */ +UNIV_INTERN +void +fil_decr_pending_ibuf_merges( +/*=========================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + fprintf(stderr, + "InnoDB: Error: decrementing ibuf merge of a" + " dropped tablespace %lu\n", + (ulong) id); + } + + if (space != NULL) { + space->n_pending_ibuf_merges--; + } + + mutex_exit(&fil_system->mutex); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Creates the database directory for a table if it does not exist yet. */ +static +void +fil_create_directory_for_tablename( +/*===============================*/ + const char* name) /*!< in: name in the standard + 'databasename/tablename' format */ +{ + const char* namend; + char* path; + ulint len; + + len = strlen(fil_path_to_mysql_datadir); + namend = strchr(name, '/'); + ut_a(namend); + path = mem_alloc(len + (namend - name) + 2); + + memcpy(path, fil_path_to_mysql_datadir, len); + path[len] = '/'; + memcpy(path + len + 1, name, namend - name); + path[len + (namend - name) + 1] = 0; + + srv_normalize_path_for_win(path); + + ut_a(os_file_create_directory(path, FALSE)); + mem_free(path); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Writes a log record about an .ibd file create/rename/delete. */ +static +void +fil_op_write_log( +/*=============*/ + ulint type, /*!< in: MLOG_FILE_CREATE, + MLOG_FILE_CREATE2, + MLOG_FILE_DELETE, or + MLOG_FILE_RENAME */ + ulint space_id, /*!< in: space id */ + ulint log_flags, /*!< in: redo log flags (stored + in the page number field) */ + ulint flags, /*!< in: compressed page size + and file format + if type==MLOG_FILE_CREATE2, or 0 */ + const char* name, /*!< in: table name in the familiar + 'databasename/tablename' format, or + the file path in the case of + MLOG_FILE_DELETE */ + const char* new_name, /*!< in: if type is MLOG_FILE_RENAME, + the new table name in the + 'databasename/tablename' format */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + ulint len; + + log_ptr = mlog_open(mtr, 11 + 2 + 1); + + if (!log_ptr) { + /* Logging in mtr is switched off during crash recovery: + in that case mlog_open returns NULL */ + return; + } + + log_ptr = mlog_write_initial_log_record_for_file_op( + type, space_id, log_flags, log_ptr, mtr); + if (type == MLOG_FILE_CREATE2) { + mach_write_to_4(log_ptr, flags); + log_ptr += 4; + } + /* Let us store the strings as null-terminated for easier readability + and handling */ + + len = strlen(name) + 1; + + mach_write_to_2(log_ptr, len); + log_ptr += 2; + mlog_close(mtr, log_ptr); + + mlog_catenate_string(mtr, (byte*) name, len); + + if (type == MLOG_FILE_RENAME) { + len = strlen(new_name) + 1; + log_ptr = mlog_open(mtr, 2 + len); + ut_a(log_ptr); + mach_write_to_2(log_ptr, len); + log_ptr += 2; + mlog_close(mtr, log_ptr); + + mlog_catenate_string(mtr, (byte*) new_name, len); + } +} +#endif + +/*******************************************************************//** +Parses the body of a log record written about an .ibd file operation. That is, +the log record part after the standard (type, space id, page no) header of the +log record. + +If desired, also replays the delete or rename operation if the .ibd file +exists and the space id in it matches. Replays the create operation if a file +at that path does not exist yet. If the database directory for the file to be +created does not exist, then we create the directory, too. + +Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the +datadir that we should use in replaying the file operations. +@return end of log record, or NULL if the record was not completely +contained between ptr and end_ptr */ +UNIV_INTERN +byte* +fil_op_log_parse_or_replay( +/*=======================*/ + byte* ptr, /*!< in: buffer containing the log record body, + or an initial segment of it, if the record does + not fir completely between ptr and end_ptr */ + byte* end_ptr, /*!< in: buffer end */ + ulint type, /*!< in: the type of this log record */ + ulint space_id, /*!< in: the space id of the tablespace in + question, or 0 if the log record should + only be parsed but not replayed */ + ulint log_flags) /*!< in: redo log flags + (stored in the page number parameter) */ +{ + ulint name_len; + ulint new_name_len; + const char* name; + const char* new_name = NULL; + ulint flags = 0; + + if (type == MLOG_FILE_CREATE2) { + if (end_ptr < ptr + 4) { + + return(NULL); + } + + flags = mach_read_from_4(ptr); + ptr += 4; + } + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + name_len = mach_read_from_2(ptr); + + ptr += 2; + + if (end_ptr < ptr + name_len) { + + return(NULL); + } + + name = (const char*) ptr; + + ptr += name_len; + + if (type == MLOG_FILE_RENAME) { + if (end_ptr < ptr + 2) { + + return(NULL); + } + + new_name_len = mach_read_from_2(ptr); + + ptr += 2; + + if (end_ptr < ptr + new_name_len) { + + return(NULL); + } + + new_name = (const char*) ptr; + + ptr += new_name_len; + } + + /* We managed to parse a full log record body */ + /* + printf("Parsed log rec of type %lu space %lu\n" + "name %s\n", type, space_id, name); + + if (type == MLOG_FILE_RENAME) { + printf("new name %s\n", new_name); + } + */ + if (!space_id) { + + return(ptr); + } + + /* Let us try to perform the file operation, if sensible. Note that + ibbackup has at this stage already read in all space id info to the + fil0fil.c data structures. + + NOTE that our algorithm is not guaranteed to work correctly if there + were renames of tables during the backup. See ibbackup code for more + on the problem. */ + + switch (type) { + case MLOG_FILE_DELETE: + if (fil_tablespace_exists_in_mem(space_id)) { + ut_a(fil_delete_tablespace(space_id)); + } + + break; + + case MLOG_FILE_RENAME: + /* We do the rename based on space id, not old file name; + this should guarantee that after the log replay each .ibd file + has the correct name for the latest log sequence number; the + proof is left as an exercise :) */ + + if (fil_tablespace_exists_in_mem(space_id)) { + /* Create the database directory for the new name, if + it does not exist yet */ + fil_create_directory_for_tablename(new_name); + + /* Rename the table if there is not yet a tablespace + with the same name */ + + if (fil_get_space_id_for_table(new_name) + == ULINT_UNDEFINED) { + /* We do not care of the old name, that is + why we pass NULL as the first argument */ + if (!fil_rename_tablespace(NULL, space_id, + new_name)) { + ut_error; + } + } + } + + break; + + case MLOG_FILE_CREATE: + case MLOG_FILE_CREATE2: + if (fil_tablespace_exists_in_mem(space_id)) { + /* Do nothing */ + } else if (fil_get_space_id_for_table(name) + != ULINT_UNDEFINED) { + /* Do nothing */ + } else if (log_flags & MLOG_FILE_FLAG_TEMP) { + /* Temporary table, do nothing */ + } else { + /* Create the database directory for name, if it does + not exist yet */ + fil_create_directory_for_tablename(name); + + if (fil_create_new_single_table_tablespace( + &space_id, name, FALSE, flags, + FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { + ut_error; + } + } + + break; + + default: + ut_error; + } + + return(ptr); +} + +/*******************************************************************//** +Deletes a single-table tablespace. The tablespace must be cached in the +memory cache. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_delete_tablespace( +/*==================*/ + ulint id) /*!< in: space id */ +{ + ibool success; + fil_space_t* space; + fil_node_t* node; + ulint count = 0; + char* path; + + ut_a(id != 0); +stop_ibuf_merges: + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space != NULL) { + space->stop_ibuf_merges = TRUE; + + if (space->n_pending_ibuf_merges == 0) { + mutex_exit(&fil_system->mutex); + + count = 0; + + goto try_again; + } else { + if (count > 5000) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: trying to" + " delete tablespace ", stderr); + ut_print_filename(stderr, space->name); + fprintf(stderr, ",\n" + "InnoDB: but there are %lu pending" + " ibuf merges on it.\n" + "InnoDB: Loop %lu.\n", + (ulong) space->n_pending_ibuf_merges, + (ulong) count); + } + + mutex_exit(&fil_system->mutex); + + os_thread_sleep(20000); + count++; + + goto stop_ibuf_merges; + } + } + + mutex_exit(&fil_system->mutex); + count = 0; + +try_again: + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: cannot delete tablespace %lu\n" + "InnoDB: because it is not found in the" + " tablespace memory cache.\n", + (ulong) id); + + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + ut_a(space); + ut_a(space->n_pending_ibuf_merges == 0); + + space->is_being_deleted = TRUE; + + ut_a(UT_LIST_GET_LEN(space->chain) == 1); + node = UT_LIST_GET_FIRST(space->chain); + + if (space->n_pending_flushes > 0 || node->n_pending > 0) { + if (count > 1000) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: trying to" + " delete tablespace ", stderr); + ut_print_filename(stderr, space->name); + fprintf(stderr, ",\n" + "InnoDB: but there are %lu flushes" + " and %lu pending i/o's on it\n" + "InnoDB: Loop %lu.\n", + (ulong) space->n_pending_flushes, + (ulong) node->n_pending, + (ulong) count); + } + mutex_exit(&fil_system->mutex); + os_thread_sleep(20000); + + count++; + + goto try_again; + } + + path = mem_strdup(space->name); + + mutex_exit(&fil_system->mutex); +#ifndef UNIV_HOTBACKUP + /* Invalidate in the buffer pool all pages belonging to the + tablespace. Since we have set space->is_being_deleted = TRUE, readahead + or ibuf merge can no longer read more pages of this tablespace to the + buffer pool. Thus we can clean the tablespace out of the buffer pool + completely and permanently. The flag is_being_deleted also prevents + fil_flush() from being applied to this tablespace. */ + + buf_LRU_invalidate_tablespace(id); +#endif + /* printf("Deleting tablespace %s id %lu\n", space->name, id); */ + + success = fil_space_free(id, FALSE); + + if (success) { + success = os_file_delete(path); + + if (!success) { + success = os_file_delete_if_exists(path); + } + } + + if (success) { +#ifndef UNIV_HOTBACKUP + /* Write a log record about the deletion of the .ibd + file, so that ibbackup can replay it in the + --apply-log phase. We use a dummy mtr and the familiar + log write mechanism. */ + mtr_t mtr; + + /* When replaying the operation in ibbackup, do not try + to write any log record */ + mtr_start(&mtr); + + fil_op_write_log(MLOG_FILE_DELETE, id, 0, 0, path, NULL, &mtr); + mtr_commit(&mtr); +#endif + mem_free(path); + + return(TRUE); + } + + mem_free(path); + + return(FALSE); +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Discards a single-table tablespace. The tablespace must be cached in the +memory cache. Discarding is like deleting a tablespace, but +1) we do not drop the table from the data dictionary; +2) we remove all insert buffer entries for the tablespace immediately; in DROP +TABLE they are only removed gradually in the background; +3) when the user does IMPORT TABLESPACE, the tablespace will have the same id +as it originally had. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_discard_tablespace( +/*===================*/ + ulint id) /*!< in: space id */ +{ + ibool success; + + success = fil_delete_tablespace(id); + + if (!success) { + fprintf(stderr, + "InnoDB: Warning: cannot delete tablespace %lu" + " in DISCARD TABLESPACE.\n" + "InnoDB: But let us remove the" + " insert buffer entries for this tablespace.\n", + (ulong) id); + } + + /* Remove all insert buffer entries for the tablespace */ + + ibuf_delete_for_discarded_space(id); + + return(success); +} +#endif /* !UNIV_HOTBACKUP */ + +/*******************************************************************//** +Renames the memory cache structures of a single-table tablespace. +@return TRUE if success */ +static +ibool +fil_rename_tablespace_in_mem( +/*=========================*/ + fil_space_t* space, /*!< in: tablespace memory object */ + fil_node_t* node, /*!< in: file node of that tablespace */ + const char* path) /*!< in: new name */ +{ + fil_space_t* space2; + const char* old_name = space->name; + + ut_ad(mutex_own(&fil_system->mutex)); + + space2 = fil_space_get_by_name(old_name); + if (space != space2) { + fputs("InnoDB: Error: cannot find ", stderr); + ut_print_filename(stderr, old_name); + fputs(" in tablespace memory cache\n", stderr); + + return(FALSE); + } + + space2 = fil_space_get_by_name(path); + if (space2 != NULL) { + fputs("InnoDB: Error: ", stderr); + ut_print_filename(stderr, path); + fputs(" is already in tablespace memory cache\n", stderr); + + return(FALSE); + } + + HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, + ut_fold_string(space->name), space); + mem_free(space->name); + mem_free(node->name); + + space->name = mem_strdup(path); + node->name = mem_strdup(path); + + HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, + ut_fold_string(path), space); + return(TRUE); +} + +/*******************************************************************//** +Allocates a file name for a single-table tablespace. The string must be freed +by caller with mem_free(). +@return own: file name */ +static +char* +fil_make_ibd_name( +/*==============*/ + const char* name, /*!< in: table name or a dir path of a + TEMPORARY table */ + ibool is_temp) /*!< in: TRUE if it is a dir path */ +{ + ulint namelen = strlen(name); + ulint dirlen = strlen(fil_path_to_mysql_datadir); + char* filename = mem_alloc(namelen + dirlen + sizeof "/.ibd"); + + if (is_temp) { + memcpy(filename, name, namelen); + memcpy(filename + namelen, ".ibd", sizeof ".ibd"); + } else { + memcpy(filename, fil_path_to_mysql_datadir, dirlen); + filename[dirlen] = '/'; + + memcpy(filename + dirlen + 1, name, namelen); + memcpy(filename + dirlen + namelen + 1, ".ibd", sizeof ".ibd"); + } + + srv_normalize_path_for_win(filename); + + return(filename); +} + +/*******************************************************************//** +Renames a single-table tablespace. The tablespace must be cached in the +tablespace memory cache. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_rename_tablespace( +/*==================*/ + const char* old_name, /*!< in: old table name in the standard + databasename/tablename format of + InnoDB, or NULL if we do the rename + based on the space id only */ + ulint id, /*!< in: space id */ + const char* new_name) /*!< in: new table name in the standard + databasename/tablename format + of InnoDB */ +{ + ibool success; + fil_space_t* space; + fil_node_t* node; + ulint count = 0; + char* path; + ibool old_name_was_specified = TRUE; + char* old_path; + + ut_a(id != 0); + + if (old_name == NULL) { + old_name = "(name not specified)"; + old_name_was_specified = FALSE; + } +retry: + count++; + + if (count > 1000) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: problems renaming ", stderr); + ut_print_filename(stderr, old_name); + fputs(" to ", stderr); + ut_print_filename(stderr, new_name); + fprintf(stderr, ", %lu iterations\n", (ulong) count); + } + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space == NULL) { + fprintf(stderr, + "InnoDB: Error: cannot find space id %lu" + " in the tablespace memory cache\n" + "InnoDB: though the table ", (ulong) id); + ut_print_filename(stderr, old_name); + fputs(" in a rename operation should have that id\n", stderr); + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + if (count > 25000) { + space->stop_ios = FALSE; + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + /* We temporarily close the .ibd file because we do not trust that + operating systems can rename an open file. For the closing we have to + wait until there are no pending i/o's or flushes on the file. */ + + space->stop_ios = TRUE; + + ut_a(UT_LIST_GET_LEN(space->chain) == 1); + node = UT_LIST_GET_FIRST(space->chain); + + if (node->n_pending > 0 || node->n_pending_flushes > 0) { + /* There are pending i/o's or flushes, sleep for a while and + retry */ + + mutex_exit(&fil_system->mutex); + + os_thread_sleep(20000); + + goto retry; + + } else if (node->modification_counter > node->flush_counter) { + /* Flush the space */ + + mutex_exit(&fil_system->mutex); + + os_thread_sleep(20000); + + fil_flush(id); + + goto retry; + + } else if (node->open) { + /* Close the file */ + + fil_node_close_file(node, fil_system); + } + + /* Check that the old name in the space is right */ + + if (old_name_was_specified) { + old_path = fil_make_ibd_name(old_name, FALSE); + + ut_a(strcmp(space->name, old_path) == 0); + ut_a(strcmp(node->name, old_path) == 0); + } else { + old_path = mem_strdup(space->name); + } + + /* Rename the tablespace and the node in the memory cache */ + path = fil_make_ibd_name(new_name, FALSE); + success = fil_rename_tablespace_in_mem(space, node, path); + + if (success) { + success = os_file_rename(old_path, path); + + if (!success) { + /* We have to revert the changes we made + to the tablespace memory cache */ + + ut_a(fil_rename_tablespace_in_mem(space, node, + old_path)); + } + } + + mem_free(path); + mem_free(old_path); + + space->stop_ios = FALSE; + + mutex_exit(&fil_system->mutex); + +#ifndef UNIV_HOTBACKUP + if (success) { + mtr_t mtr; + + mtr_start(&mtr); + + fil_op_write_log(MLOG_FILE_RENAME, id, 0, 0, old_name, new_name, + &mtr); + mtr_commit(&mtr); + } +#endif + return(success); +} + +/*******************************************************************//** +Creates a new single-table tablespace to a database directory of MySQL. +Database directories are under the 'datadir' of MySQL. The datadir is the +directory of a running mysqld program. We can refer to it by simply the +path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp +dir of the mysqld server. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +fil_create_new_single_table_tablespace( +/*===================================*/ + ulint* space_id, /*!< in/out: space id; if this is != 0, + then this is an input parameter, + otherwise output */ + const char* tablename, /*!< in: the table name in the usual + databasename/tablename format + of InnoDB, or a dir path to a temp + table */ + ibool is_temp, /*!< in: TRUE if a table created with + CREATE TEMPORARY TABLE */ + ulint flags, /*!< in: tablespace flags */ + ulint size) /*!< in: the initial size of the + tablespace file in pages, + must be >= FIL_IBD_FILE_INITIAL_SIZE */ +{ + os_file_t file; + ibool ret; + ulint err; + byte* buf2; + byte* page; + ibool success; + char* path; + + ut_a(size >= FIL_IBD_FILE_INITIAL_SIZE); + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ + ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); + + path = fil_make_ibd_name(tablename, is_temp); + + file = os_file_create(path, OS_FILE_CREATE, OS_FILE_NORMAL, + OS_DATA_FILE, &ret); + if (ret == FALSE) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error creating file ", stderr); + ut_print_filename(stderr, path); + fputs(".\n", stderr); + + /* The following call will print an error message */ + + err = os_file_get_last_error(TRUE); + + if (err == OS_FILE_ALREADY_EXISTS) { + fputs("InnoDB: The file already exists though" + " the corresponding table did not\n" + "InnoDB: exist in the InnoDB data dictionary." + " Have you moved InnoDB\n" + "InnoDB: .ibd files around without using the" + " SQL commands\n" + "InnoDB: DISCARD TABLESPACE and" + " IMPORT TABLESPACE, or did\n" + "InnoDB: mysqld crash in the middle of" + " CREATE TABLE? You can\n" + "InnoDB: resolve the problem by" + " removing the file ", stderr); + ut_print_filename(stderr, path); + fputs("\n" + "InnoDB: under the 'datadir' of MySQL.\n", + stderr); + + mem_free(path); + return(DB_TABLESPACE_ALREADY_EXISTS); + } + + if (err == OS_FILE_DISK_FULL) { + + mem_free(path); + return(DB_OUT_OF_FILE_SPACE); + } + + mem_free(path); + return(DB_ERROR); + } + + buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + + ret = os_file_set_size(path, file, size * UNIV_PAGE_SIZE, 0); + + if (!ret) { + ut_free(buf2); + os_file_close(file); + os_file_delete(path); + + mem_free(path); + return(DB_OUT_OF_FILE_SPACE); + } + + if (*space_id == 0) { + *space_id = fil_assign_new_space_id(); + } + + /* printf("Creating tablespace %s id %lu\n", path, *space_id); */ + + if (*space_id == ULINT_UNDEFINED) { + ut_free(buf2); +error_exit: + os_file_close(file); +error_exit2: + os_file_delete(path); + + mem_free(path); + return(DB_ERROR); + } + + /* We have to write the space id to the file immediately and flush the + file to disk. This is because in crash recovery we must be aware what + tablespaces exist and what are their space id's, so that we can apply + the log records to the right file. It may take quite a while until + buffer pool flush algorithms write anything to the file and flush it to + disk. If we would not write here anything, the file would be filled + with zeros from the call of os_file_set_size(), until a buffer pool + flush would write to it. */ + + memset(page, '\0', UNIV_PAGE_SIZE); + + fsp_header_init_fields(page, *space_id, flags); + mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, *space_id); + + if (!(flags & DICT_TF_ZSSIZE_MASK)) { + buf_flush_init_for_writing(page, NULL, 0); + ret = os_file_write(path, file, page, 0, 0, UNIV_PAGE_SIZE); + } else { + page_zip_des_t page_zip; + ulint zip_size; + + zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) + << ((flags & DICT_TF_ZSSIZE_MASK) + >> DICT_TF_ZSSIZE_SHIFT)); + + page_zip_set_size(&page_zip, zip_size); + page_zip.data = page + UNIV_PAGE_SIZE; +#ifdef UNIV_DEBUG + page_zip.m_start = +#endif /* UNIV_DEBUG */ + page_zip.m_end = page_zip.m_nonempty = + page_zip.n_blobs = 0; + buf_flush_init_for_writing(page, &page_zip, 0); + ret = os_file_write(path, file, page_zip.data, 0, 0, zip_size); + } + + ut_free(buf2); + + if (!ret) { + fputs("InnoDB: Error: could not write the first page" + " to tablespace ", stderr); + ut_print_filename(stderr, path); + putc('\n', stderr); + goto error_exit; + } + + ret = os_file_flush(file); + + if (!ret) { + fputs("InnoDB: Error: file flush of tablespace ", stderr); + ut_print_filename(stderr, path); + fputs(" failed\n", stderr); + goto error_exit; + } + + os_file_close(file); + + if (*space_id == ULINT_UNDEFINED) { + goto error_exit2; + } + + success = fil_space_create(path, *space_id, flags, FIL_TABLESPACE); + + if (!success) { + goto error_exit2; + } + + fil_node_create(path, size, *space_id, FALSE); + +#ifndef UNIV_HOTBACKUP + { + mtr_t mtr; + + mtr_start(&mtr); + + fil_op_write_log(flags + ? MLOG_FILE_CREATE2 + : MLOG_FILE_CREATE, + *space_id, + is_temp ? MLOG_FILE_FLAG_TEMP : 0, + flags, + tablename, NULL, &mtr); + + mtr_commit(&mtr); + } +#endif + mem_free(path); + return(DB_SUCCESS); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +It is possible, though very improbable, that the lsn's in the tablespace to be +imported have risen above the current system lsn, if a lengthy purge, ibuf +merge, or rollback was performed on a backup taken with ibbackup. If that is +the case, reset page lsn's in the file. We assume that mysqld was shut down +after it performed these cleanup operations on the .ibd file, so that it at +the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the +first page of the .ibd file, and we can determine whether we need to reset the +lsn's just by looking at that flush lsn. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_reset_too_high_lsns( +/*====================*/ + const char* name, /*!< in: table name in the + databasename/tablename format */ + ib_uint64_t current_lsn) /*!< in: reset lsn's if the lsn stamped + to FIL_PAGE_FILE_FLUSH_LSN in the + first page is too high */ +{ + os_file_t file; + char* filepath; + byte* page; + byte* buf2; + ib_uint64_t flush_lsn; + ulint space_id; + ib_int64_t file_size; + ib_int64_t offset; + ulint zip_size; + ibool success; + page_zip_des_t page_zip; + + filepath = fil_make_ibd_name(name, FALSE); + + file = os_file_create_simple_no_error_handling( + filepath, OS_FILE_OPEN, OS_FILE_READ_WRITE, &success); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: trying to open a table," + " but could not\n" + "InnoDB: open the tablespace file ", stderr); + ut_print_filename(stderr, filepath); + fputs("!\n", stderr); + mem_free(filepath); + + return(FALSE); + } + + /* Read the first page of the tablespace */ + + buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + + success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); + if (!success) { + + goto func_exit; + } + + /* We have to read the file flush lsn from the header of the file */ + + flush_lsn = mach_read_ull(page + FIL_PAGE_FILE_FLUSH_LSN); + + if (current_lsn >= flush_lsn) { + /* Ok */ + success = TRUE; + + goto func_exit; + } + + space_id = fsp_header_get_space_id(page); + zip_size = fsp_header_get_zip_size(page); + + page_zip_des_init(&page_zip); + page_zip_set_size(&page_zip, zip_size); + if (zip_size) { + page_zip.data = page + UNIV_PAGE_SIZE; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Flush lsn in the tablespace file %lu" + " to be imported\n" + "InnoDB: is %llu, which exceeds current" + " system lsn %llu.\n" + "InnoDB: We reset the lsn's in the file ", + (ulong) space_id, + flush_lsn, current_lsn); + ut_print_filename(stderr, filepath); + fputs(".\n", stderr); + + ut_a(ut_is_2pow(zip_size)); + ut_a(zip_size <= UNIV_PAGE_SIZE); + + /* Loop through all the pages in the tablespace and reset the lsn and + the page checksum if necessary */ + + file_size = os_file_get_size_as_iblonglong(file); + + for (offset = 0; offset < file_size; + offset += zip_size ? zip_size : UNIV_PAGE_SIZE) { + success = os_file_read(file, page, + (ulint)(offset & 0xFFFFFFFFUL), + (ulint)(offset >> 32), + zip_size ? zip_size : UNIV_PAGE_SIZE); + if (!success) { + + goto func_exit; + } + if (mach_read_ull(page + FIL_PAGE_LSN) > current_lsn) { + /* We have to reset the lsn */ + + if (zip_size) { + memcpy(page_zip.data, page, zip_size); + buf_flush_init_for_writing( + page, &page_zip, current_lsn); + success = os_file_write( + filepath, file, page_zip.data, + (ulint) offset & 0xFFFFFFFFUL, + (ulint) (offset >> 32), zip_size); + } else { + buf_flush_init_for_writing( + page, NULL, current_lsn); + success = os_file_write( + filepath, file, page, + (ulint)(offset & 0xFFFFFFFFUL), + (ulint)(offset >> 32), + UNIV_PAGE_SIZE); + } + + if (!success) { + + goto func_exit; + } + } + } + + success = os_file_flush(file); + if (!success) { + + goto func_exit; + } + + /* We now update the flush_lsn stamp at the start of the file */ + success = os_file_read(file, page, 0, 0, + zip_size ? zip_size : UNIV_PAGE_SIZE); + if (!success) { + + goto func_exit; + } + + mach_write_ull(page + FIL_PAGE_FILE_FLUSH_LSN, current_lsn); + + success = os_file_write(filepath, file, page, 0, 0, + zip_size ? zip_size : UNIV_PAGE_SIZE); + if (!success) { + + goto func_exit; + } + success = os_file_flush(file); +func_exit: + os_file_close(file); + ut_free(buf2); + mem_free(filepath); + + return(success); +} + +/********************************************************************//** +Tries to open a single-table tablespace and optionally checks the space id is +right in it. If does not succeed, prints an error message to the .err log. This +function is used to open a tablespace when we start up mysqld, and also in +IMPORT TABLESPACE. +NOTE that we assume this operation is used either at the database startup +or under the protection of the dictionary mutex, so that two users cannot +race here. This operation does not leave the file associated with the +tablespace open, but closes it after we have looked at the space id in it. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_open_single_table_tablespace( +/*=============================*/ + ibool check_space_id, /*!< in: should we check that the space + id in the file is right; we assume + that this function runs much faster + if no check is made, since accessing + the file inode probably is much + faster (the OS caches them) than + accessing the first page of the file */ + ulint id, /*!< in: space id */ + ulint flags, /*!< in: tablespace flags */ + const char* name) /*!< in: table name in the + databasename/tablename format */ +{ + os_file_t file; + char* filepath; + ibool success; + byte* buf2; + byte* page; + ulint space_id; + ulint space_flags; + + filepath = fil_make_ibd_name(name, FALSE); + + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT + ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal + (table->flags & ~(~0 << DICT_TF_BITS)). */ + ut_a(flags != DICT_TF_COMPACT); + ut_a(!(flags & (~0UL << DICT_TF_BITS))); + + file = os_file_create_simple_no_error_handling( + filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: trying to open a table," + " but could not\n" + "InnoDB: open the tablespace file ", stderr); + ut_print_filename(stderr, filepath); + fputs("!\n" + "InnoDB: Have you moved InnoDB .ibd files around" + " without using the\n" + "InnoDB: commands DISCARD TABLESPACE and" + " IMPORT TABLESPACE?\n" + "InnoDB: It is also possible that this is" + " a temporary table #sql...,\n" + "InnoDB: and MySQL removed the .ibd file for this.\n" + "InnoDB: Please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" + "InnoDB: for how to resolve the issue.\n", stderr); + + mem_free(filepath); + + return(FALSE); + } + + if (!check_space_id) { + space_id = id; + + goto skip_check; + } + + /* Read the first page of the tablespace */ + + buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + + success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); + + /* We have to read the tablespace id and flags from the file. */ + + space_id = fsp_header_get_space_id(page); + space_flags = fsp_header_get_flags(page); + + ut_free(buf2); + + if (UNIV_UNLIKELY(space_id != id + || space_flags != (flags & ~(~0 << DICT_TF_BITS)))) { + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: tablespace id and flags in file ", + stderr); + ut_print_filename(stderr, filepath); + fprintf(stderr, " are %lu and %lu, but in the InnoDB\n" + "InnoDB: data dictionary they are %lu and %lu.\n" + "InnoDB: Have you moved InnoDB .ibd files" + " around without using the\n" + "InnoDB: commands DISCARD TABLESPACE and" + " IMPORT TABLESPACE?\n" + "InnoDB: Please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" + "InnoDB: for how to resolve the issue.\n", + (ulong) space_id, (ulong) space_flags, + (ulong) id, (ulong) flags); + + success = FALSE; + + goto func_exit; + } + +skip_check: + success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); + + if (!success) { + goto func_exit; + } + + /* We do not measure the size of the file, that is why we pass the 0 + below */ + + fil_node_create(filepath, 0, space_id, FALSE); +func_exit: + os_file_close(file); + mem_free(filepath); + + return(success); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_HOTBACKUP +/*******************************************************************//** +Allocates a file name for an old version of a single-table tablespace. +The string must be freed by caller with mem_free()! +@return own: file name */ +static +char* +fil_make_ibbackup_old_name( +/*=======================*/ + const char* name) /*!< in: original file name */ +{ + static const char suffix[] = "_ibbackup_old_vers_"; + ulint len = strlen(name); + char* path = mem_alloc(len + (15 + sizeof suffix)); + + memcpy(path, name, len); + memcpy(path + len, suffix, (sizeof suffix) - 1); + ut_sprintf_timestamp_without_extra_chars(path + len + sizeof suffix); + return(path); +} +#endif /* UNIV_HOTBACKUP */ + +/********************************************************************//** +Opens an .ibd file and adds the associated single-table tablespace to the +InnoDB fil0fil.c data structures. */ +static +void +fil_load_single_table_tablespace( +/*=============================*/ + const char* dbname, /*!< in: database name */ + const char* filename) /*!< in: file name (not a path), + including the .ibd extension */ +{ + os_file_t file; + char* filepath; + ibool success; + byte* buf2; + byte* page; + ulint space_id; + ulint flags; + ulint size_low; + ulint size_high; + ib_int64_t size; +#ifdef UNIV_HOTBACKUP + fil_space_t* space; +#endif + filepath = mem_alloc(strlen(dbname) + strlen(filename) + + strlen(fil_path_to_mysql_datadir) + 3); + + sprintf(filepath, "%s/%s/%s", fil_path_to_mysql_datadir, dbname, + filename); + srv_normalize_path_for_win(filepath); +#ifdef __WIN__ +# ifndef UNIV_HOTBACKUP + /* If lower_case_table_names is 0 or 2, then MySQL allows database + directory names with upper case letters. On Windows, all table and + database names in InnoDB are internally always in lower case. Put the + file path to lower case, so that we are consistent with InnoDB's + internal data dictionary. */ + + dict_casedn_str(filepath); +# endif /* !UNIV_HOTBACKUP */ +#endif + file = os_file_create_simple_no_error_handling( + filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + fprintf(stderr, + "InnoDB: Error: could not open single-table tablespace" + " file\n" + "InnoDB: %s!\n" + "InnoDB: We do not continue the crash recovery," + " because the table may become\n" + "InnoDB: corrupt if we cannot apply the log records" + " in the InnoDB log to it.\n" + "InnoDB: To fix the problem and start mysqld:\n" + "InnoDB: 1) If there is a permission problem" + " in the file and mysqld cannot\n" + "InnoDB: open the file, you should" + " modify the permissions.\n" + "InnoDB: 2) If the table is not needed, or you can" + " restore it from a backup,\n" + "InnoDB: then you can remove the .ibd file," + " and InnoDB will do a normal\n" + "InnoDB: crash recovery and ignore that table.\n" + "InnoDB: 3) If the file system or the" + " disk is broken, and you cannot remove\n" + "InnoDB: the .ibd file, you can set" + " innodb_force_recovery > 0 in my.cnf\n" + "InnoDB: and force InnoDB to continue crash" + " recovery here.\n", filepath); + + mem_free(filepath); + + if (srv_force_recovery > 0) { + fprintf(stderr, + "InnoDB: innodb_force_recovery" + " was set to %lu. Continuing crash recovery\n" + "InnoDB: even though we cannot access" + " the .ibd file of this table.\n", + srv_force_recovery); + return; + } + + exit(1); + } + + success = os_file_get_size(file, &size_low, &size_high); + + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + fprintf(stderr, + "InnoDB: Error: could not measure the size" + " of single-table tablespace file\n" + "InnoDB: %s!\n" + "InnoDB: We do not continue crash recovery," + " because the table will become\n" + "InnoDB: corrupt if we cannot apply the log records" + " in the InnoDB log to it.\n" + "InnoDB: To fix the problem and start mysqld:\n" + "InnoDB: 1) If there is a permission problem" + " in the file and mysqld cannot\n" + "InnoDB: access the file, you should" + " modify the permissions.\n" + "InnoDB: 2) If the table is not needed," + " or you can restore it from a backup,\n" + "InnoDB: then you can remove the .ibd file," + " and InnoDB will do a normal\n" + "InnoDB: crash recovery and ignore that table.\n" + "InnoDB: 3) If the file system or the disk is broken," + " and you cannot remove\n" + "InnoDB: the .ibd file, you can set" + " innodb_force_recovery > 0 in my.cnf\n" + "InnoDB: and force InnoDB to continue" + " crash recovery here.\n", filepath); + + os_file_close(file); + mem_free(filepath); + + if (srv_force_recovery > 0) { + fprintf(stderr, + "InnoDB: innodb_force_recovery" + " was set to %lu. Continuing crash recovery\n" + "InnoDB: even though we cannot access" + " the .ibd file of this table.\n", + srv_force_recovery); + return; + } + + exit(1); + } + + /* TODO: What to do in other cases where we cannot access an .ibd + file during a crash recovery? */ + + /* Every .ibd file is created >= 4 pages in size. Smaller files + cannot be ok. */ + + size = (((ib_int64_t)size_high) << 32) + (ib_int64_t)size_low; +#ifndef UNIV_HOTBACKUP + if (size < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { + fprintf(stderr, + "InnoDB: Error: the size of single-table tablespace" + " file %s\n" + "InnoDB: is only %lu %lu, should be at least %lu!", + filepath, + (ulong) size_high, + (ulong) size_low, (ulong) (4 * UNIV_PAGE_SIZE)); + os_file_close(file); + mem_free(filepath); + + return; + } +#endif + /* Read the first page of the tablespace if the size big enough */ + + buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + + if (size >= FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { + success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); + + /* We have to read the tablespace id from the file */ + + space_id = fsp_header_get_space_id(page); + flags = fsp_header_get_flags(page); + } else { + space_id = ULINT_UNDEFINED; + flags = 0; + } + +#ifndef UNIV_HOTBACKUP + if (space_id == ULINT_UNDEFINED || space_id == 0) { + fprintf(stderr, + "InnoDB: Error: tablespace id %lu in file %s" + " is not sensible\n", + (ulong) space_id, + filepath); + goto func_exit; + } +#else + if (space_id == ULINT_UNDEFINED || space_id == 0) { + char* new_path; + + fprintf(stderr, + "InnoDB: Renaming tablespace %s of id %lu,\n" + "InnoDB: to %s_ibbackup_old_vers_\n" + "InnoDB: because its size %" PRId64 " is too small" + " (< 4 pages 16 kB each),\n" + "InnoDB: or the space id in the file header" + " is not sensible.\n" + "InnoDB: This can happen in an ibbackup run," + " and is not dangerous.\n", + filepath, space_id, filepath, size); + os_file_close(file); + + new_path = fil_make_ibbackup_old_name(filepath); + ut_a(os_file_rename(filepath, new_path)); + + ut_free(buf2); + mem_free(filepath); + mem_free(new_path); + + return; + } + + /* A backup may contain the same space several times, if the space got + renamed at a sensitive time. Since it is enough to have one version of + the space, we rename the file if a space with the same space id + already exists in the tablespace memory cache. We rather rename the + file than delete it, because if there is a bug, we do not want to + destroy valuable data. */ + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(space_id); + + if (space) { + char* new_path; + + fprintf(stderr, + "InnoDB: Renaming tablespace %s of id %lu,\n" + "InnoDB: to %s_ibbackup_old_vers_\n" + "InnoDB: because space %s with the same id\n" + "InnoDB: was scanned earlier. This can happen" + " if you have renamed tables\n" + "InnoDB: during an ibbackup run.\n", + filepath, space_id, filepath, + space->name); + os_file_close(file); + + new_path = fil_make_ibbackup_old_name(filepath); + + mutex_exit(&fil_system->mutex); + + ut_a(os_file_rename(filepath, new_path)); + + ut_free(buf2); + mem_free(filepath); + mem_free(new_path); + + return; + } + mutex_exit(&fil_system->mutex); +#endif + success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); + + if (!success) { + + if (srv_force_recovery > 0) { + fprintf(stderr, + "InnoDB: innodb_force_recovery" + " was set to %lu. Continuing crash recovery\n" + "InnoDB: even though the tablespace creation" + " of this table failed.\n", + srv_force_recovery); + goto func_exit; + } + + exit(1); + } + + /* We do not use the size information we have about the file, because + the rounding formula for extents and pages is somewhat complex; we + let fil_node_open() do that task. */ + + fil_node_create(filepath, 0, space_id, FALSE); +func_exit: + os_file_close(file); + ut_free(buf2); + mem_free(filepath); +} + +/***********************************************************************//** +A fault-tolerant function that tries to read the next file name in the +directory. We retry 100 times if os_file_readdir_next_file() returns -1. The +idea is to read as much good data as we can and jump over bad data. +@return 0 if ok, -1 if error even after the retries, 1 if at the end +of the directory */ +static +int +fil_file_readdir_next_file( +/*=======================*/ + ulint* err, /*!< out: this is set to DB_ERROR if an error + was encountered, otherwise not changed */ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ +{ + ulint i; + int ret; + + for (i = 0; i < 100; i++) { + ret = os_file_readdir_next_file(dirname, dir, info); + + if (ret != -1) { + + return(ret); + } + + fprintf(stderr, + "InnoDB: Error: os_file_readdir_next_file()" + " returned -1 in\n" + "InnoDB: directory %s\n" + "InnoDB: Crash recovery may have failed" + " for some .ibd files!\n", dirname); + + *err = DB_ERROR; + } + + return(-1); +} + +/********************************************************************//** +At the server startup, if we need crash recovery, scans the database +directories under the MySQL datadir, looking for .ibd files. Those files are +single-table tablespaces. We need to know the space id in each of them so that +we know into which file we should look to check the contents of a page stored +in the doublewrite buffer, also to know where to apply log records where the +space id is != 0. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +fil_load_single_table_tablespaces(void) +/*===================================*/ +{ + int ret; + char* dbpath = NULL; + ulint dbpath_len = 100; + os_file_dir_t dir; + os_file_dir_t dbdir; + os_file_stat_t dbinfo; + os_file_stat_t fileinfo; + ulint err = DB_SUCCESS; + + /* The datadir of MySQL is always the default directory of mysqld */ + + dir = os_file_opendir(fil_path_to_mysql_datadir, TRUE); + + if (dir == NULL) { + + return(DB_ERROR); + } + + dbpath = mem_alloc(dbpath_len); + + /* Scan all directories under the datadir. They are the database + directories of MySQL. */ + + ret = fil_file_readdir_next_file(&err, fil_path_to_mysql_datadir, dir, + &dbinfo); + while (ret == 0) { + ulint len; + /* printf("Looking at %s in datadir\n", dbinfo.name); */ + + if (dbinfo.type == OS_FILE_TYPE_FILE + || dbinfo.type == OS_FILE_TYPE_UNKNOWN) { + + goto next_datadir_item; + } + + /* We found a symlink or a directory; try opening it to see + if a symlink is a directory */ + + len = strlen(fil_path_to_mysql_datadir) + + strlen (dbinfo.name) + 2; + if (len > dbpath_len) { + dbpath_len = len; + + if (dbpath) { + mem_free(dbpath); + } + + dbpath = mem_alloc(dbpath_len); + } + sprintf(dbpath, "%s/%s", fil_path_to_mysql_datadir, + dbinfo.name); + srv_normalize_path_for_win(dbpath); + + dbdir = os_file_opendir(dbpath, FALSE); + + if (dbdir != NULL) { + /* printf("Opened dir %s\n", dbinfo.name); */ + + /* We found a database directory; loop through it, + looking for possible .ibd files in it */ + + ret = fil_file_readdir_next_file(&err, dbpath, dbdir, + &fileinfo); + while (ret == 0) { + /* printf( + " Looking at file %s\n", fileinfo.name); */ + + if (fileinfo.type == OS_FILE_TYPE_DIR) { + + goto next_file_item; + } + + /* We found a symlink or a file */ + if (strlen(fileinfo.name) > 4 + && 0 == strcmp(fileinfo.name + + strlen(fileinfo.name) - 4, + ".ibd")) { + /* The name ends in .ibd; try opening + the file */ + fil_load_single_table_tablespace( + dbinfo.name, fileinfo.name); + } +next_file_item: + ret = fil_file_readdir_next_file(&err, + dbpath, dbdir, + &fileinfo); + } + + if (0 != os_file_closedir(dbdir)) { + fputs("InnoDB: Warning: could not" + " close database directory ", stderr); + ut_print_filename(stderr, dbpath); + putc('\n', stderr); + + err = DB_ERROR; + } + } + +next_datadir_item: + ret = fil_file_readdir_next_file(&err, + fil_path_to_mysql_datadir, + dir, &dbinfo); + } + + mem_free(dbpath); + + if (0 != os_file_closedir(dir)) { + fprintf(stderr, + "InnoDB: Error: could not close MySQL datadir\n"); + + return(DB_ERROR); + } + + return(err); +} + +/********************************************************************//** +If we need crash recovery, and we have called +fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), +we can call this function to print an error message of orphaned .ibd files +for which there is not a data dictionary entry with a matching table name +and space id. */ +UNIV_INTERN +void +fil_print_orphaned_tablespaces(void) +/*================================*/ +{ + fil_space_t* space; + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_FIRST(fil_system->space_list); + + while (space) { + if (space->purpose == FIL_TABLESPACE && space->id != 0 + && !space->mark) { + fputs("InnoDB: Warning: tablespace ", stderr); + ut_print_filename(stderr, space->name); + fprintf(stderr, " of id %lu has no matching table in\n" + "InnoDB: the InnoDB data dictionary.\n", + (ulong) space->id); + } + + space = UT_LIST_GET_NEXT(space_list, space); + } + + mutex_exit(&fil_system->mutex); +} + +/*******************************************************************//** +Returns TRUE if a single-table tablespace does not exist in the memory cache, +or is being deleted there. +@return TRUE if does not exist or is being\ deleted */ +UNIV_INTERN +ibool +fil_tablespace_deleted_or_being_deleted_in_mem( +/*===========================================*/ + ulint id, /*!< in: space id */ + ib_int64_t version)/*!< in: tablespace_version should be this; if + you pass -1 as the value of this, then this + parameter is ignored */ +{ + fil_space_t* space; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + if (space == NULL || space->is_being_deleted) { + mutex_exit(&fil_system->mutex); + + return(TRUE); + } + + if (version != ((ib_int64_t)-1) + && space->tablespace_version != version) { + mutex_exit(&fil_system->mutex); + + return(TRUE); + } + + mutex_exit(&fil_system->mutex); + + return(FALSE); +} + +/*******************************************************************//** +Returns TRUE if a single-table tablespace exists in the memory cache. +@return TRUE if exists */ +UNIV_INTERN +ibool +fil_tablespace_exists_in_mem( +/*=========================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + mutex_exit(&fil_system->mutex); + + return(space != NULL); +} + +/*******************************************************************//** +Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory +cache. Note that if we have not done a crash recovery at the database startup, +there may be many tablespaces which are not yet in the memory cache. +@return TRUE if a matching tablespace exists in the memory cache */ +UNIV_INTERN +ibool +fil_space_for_table_exists_in_mem( +/*==============================*/ + ulint id, /*!< in: space id */ + const char* name, /*!< in: table name in the standard + 'databasename/tablename' format or + the dir path to a temp table */ + ibool is_temp, /*!< in: TRUE if created with CREATE + TEMPORARY TABLE */ + ibool mark_space, /*!< in: in crash recovery, at database + startup we mark all spaces which have + an associated table in the InnoDB + data dictionary, so that + we can print a warning about orphaned + tablespaces */ + ibool print_error_if_does_not_exist) + /*!< in: print detailed error + information to the .err log if a + matching tablespace is not found from + memory */ +{ + fil_space_t* namespace; + fil_space_t* space; + char* path; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + path = fil_make_ibd_name(name, is_temp); + + /* Look if there is a space with the same id */ + + space = fil_space_get_by_id(id); + + /* Look if there is a space with the same name; the name is the + directory path from the datadir to the file */ + + namespace = fil_space_get_by_name(path); + if (space && space == namespace) { + /* Found */ + + if (mark_space) { + space->mark = TRUE; + } + + mem_free(path); + mutex_exit(&fil_system->mutex); + + return(TRUE); + } + + if (!print_error_if_does_not_exist) { + + mem_free(path); + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + if (space == NULL) { + if (namespace == NULL) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has tablespace id %lu,\n" + "InnoDB: but tablespace with that id" + " or name does not exist. Have\n" + "InnoDB: you deleted or moved .ibd files?\n" + "InnoDB: This may also be a table created with" + " CREATE TEMPORARY TABLE\n" + "InnoDB: whose .ibd and .frm files" + " MySQL automatically removed, but the\n" + "InnoDB: table still exists in the" + " InnoDB internal data dictionary.\n", + (ulong) id); + } else { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary has" + " tablespace id %lu,\n" + "InnoDB: but a tablespace with that id" + " does not exist. There is\n" + "InnoDB: a tablespace of name %s and id %lu," + " though. Have\n" + "InnoDB: you deleted or moved .ibd files?\n", + (ulong) id, namespace->name, + (ulong) namespace->id); + } +error_exit: + fputs("InnoDB: Please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" + "InnoDB: for how to resolve the issue.\n", stderr); + + mem_free(path); + mutex_exit(&fil_system->mutex); + + return(FALSE); + } + + if (0 != strcmp(space->name, path)) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary has" + " tablespace id %lu,\n" + "InnoDB: but the tablespace with that id" + " has name %s.\n" + "InnoDB: Have you deleted or moved .ibd files?\n", + (ulong) id, space->name); + + if (namespace != NULL) { + fputs("InnoDB: There is a tablespace" + " with the right name\n" + "InnoDB: ", stderr); + ut_print_filename(stderr, namespace->name); + fprintf(stderr, ", but its id is %lu.\n", + (ulong) namespace->id); + } + + goto error_exit; + } + + mem_free(path); + mutex_exit(&fil_system->mutex); + + return(FALSE); +} + +/*******************************************************************//** +Checks if a single-table tablespace for a given table name exists in the +tablespace memory cache. +@return space id, ULINT_UNDEFINED if not found */ +static +ulint +fil_get_space_id_for_table( +/*=======================*/ + const char* name) /*!< in: table name in the standard + 'databasename/tablename' format */ +{ + fil_space_t* namespace; + ulint id = ULINT_UNDEFINED; + char* path; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + path = fil_make_ibd_name(name, FALSE); + + /* Look if there is a space with the same name; the name is the + directory path to the file */ + + namespace = fil_space_get_by_name(path); + + if (namespace) { + id = namespace->id; + } + + mem_free(path); + + mutex_exit(&fil_system->mutex); + + return(id); +} + +/**********************************************************************//** +Tries to extend a data file so that it would accommodate the number of pages +given. The tablespace must be cached in the memory cache. If the space is big +enough already, does nothing. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_extend_space_to_desired_size( +/*=============================*/ + ulint* actual_size, /*!< out: size of the space after extension; + if we ran out of disk space this may be lower + than the desired size */ + ulint space_id, /*!< in: space id */ + ulint size_after_extend)/*!< in: desired size in pages after the + extension; if the current space size is bigger + than this already, the function does nothing */ +{ + fil_node_t* node; + fil_space_t* space; + byte* buf2; + byte* buf; + ulint buf_size; + ulint start_page_no; + ulint file_start_page_no; + ulint offset_high; + ulint offset_low; + ulint page_size; + ibool success = TRUE; + + fil_mutex_enter_and_prepare_for_io(space_id); + + space = fil_space_get_by_id(space_id); + ut_a(space); + + if (space->size >= size_after_extend) { + /* Space already big enough */ + + *actual_size = space->size; + + mutex_exit(&fil_system->mutex); + + return(TRUE); + } + + page_size = dict_table_flags_to_zip_size(space->flags); + if (!page_size) { + page_size = UNIV_PAGE_SIZE; + } + + node = UT_LIST_GET_LAST(space->chain); + + fil_node_prepare_for_io(node, fil_system, space); + + start_page_no = space->size; + file_start_page_no = space->size - node->size; + + /* Extend at most 64 pages at a time */ + buf_size = ut_min(64, size_after_extend - start_page_no) * page_size; + buf2 = mem_alloc(buf_size + page_size); + buf = ut_align(buf2, page_size); + + memset(buf, 0, buf_size); + + while (start_page_no < size_after_extend) { + ulint n_pages = ut_min(buf_size / page_size, + size_after_extend - start_page_no); + + offset_high = (start_page_no - file_start_page_no) + / (4096 * ((1024 * 1024) / page_size)); + offset_low = ((start_page_no - file_start_page_no) + % (4096 * ((1024 * 1024) / page_size))) + * page_size; +#ifdef UNIV_HOTBACKUP + success = os_file_write(node->name, node->handle, buf, + offset_low, offset_high, + page_size * n_pages); +#else + success = os_aio(OS_FILE_WRITE, OS_AIO_SYNC, + node->name, node->handle, buf, + offset_low, offset_high, + page_size * n_pages, + NULL, NULL); +#endif + if (success) { + node->size += n_pages; + space->size += n_pages; + + os_has_said_disk_full = FALSE; + } else { + /* Let us measure the size of the file to determine + how much we were able to extend it */ + + n_pages = ((ulint) + (os_file_get_size_as_iblonglong( + node->handle) + / page_size)) - node->size; + + node->size += n_pages; + space->size += n_pages; + + break; + } + + start_page_no += n_pages; + } + + mem_free(buf2); + + fil_node_complete_io(node, fil_system, OS_FILE_WRITE); + + *actual_size = space->size; + +#ifndef UNIV_HOTBACKUP + if (space_id == 0) { + ulint pages_per_mb = (1024 * 1024) / page_size; + + /* Keep the last data file size info up to date, rounded to + full megabytes */ + + srv_data_file_sizes[srv_n_data_files - 1] + = (node->size / pages_per_mb) * pages_per_mb; + } +#endif /* !UNIV_HOTBACKUP */ + + /* + printf("Extended %s to %lu, actual size %lu pages\n", space->name, + size_after_extend, *actual_size); */ + mutex_exit(&fil_system->mutex); + + fil_flush(space_id); + + return(success); +} + +#ifdef UNIV_HOTBACKUP +/********************************************************************//** +Extends all tablespaces to the size stored in the space header. During the +ibbackup --apply-log phase we extended the spaces on-demand so that log records +could be applied, but that may have left spaces still too small compared to +the size stored in the space header. */ +UNIV_INTERN +void +fil_extend_tablespaces_to_stored_len(void) +/*======================================*/ +{ + fil_space_t* space; + byte* buf; + ulint actual_size; + ulint size_in_header; + ulint error; + ibool success; + + buf = mem_alloc(UNIV_PAGE_SIZE); + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_FIRST(fil_system->space_list); + + while (space) { + ut_a(space->purpose == FIL_TABLESPACE); + + mutex_exit(&fil_system->mutex); /* no need to protect with a + mutex, because this is a + single-threaded operation */ + error = fil_read(TRUE, space->id, + dict_table_flags_to_zip_size(space->flags), + 0, 0, UNIV_PAGE_SIZE, buf, NULL); + ut_a(error == DB_SUCCESS); + + size_in_header = fsp_get_size_low(buf); + + success = fil_extend_space_to_desired_size( + &actual_size, space->id, size_in_header); + if (!success) { + fprintf(stderr, + "InnoDB: Error: could not extend the" + " tablespace of %s\n" + "InnoDB: to the size stored in header," + " %lu pages;\n" + "InnoDB: size after extension %lu pages\n" + "InnoDB: Check that you have free disk space" + " and retry!\n", + space->name, size_in_header, actual_size); + exit(1); + } + + mutex_enter(&fil_system->mutex); + + space = UT_LIST_GET_NEXT(space_list, space); + } + + mutex_exit(&fil_system->mutex); + + mem_free(buf); +} +#endif + +/*========== RESERVE FREE EXTENTS (for a B-tree split, for example) ===*/ + +/*******************************************************************//** +Tries to reserve free extents in a file space. +@return TRUE if succeed */ +UNIV_INTERN +ibool +fil_space_reserve_free_extents( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint n_free_now, /*!< in: number of free extents now */ + ulint n_to_reserve) /*!< in: how many one wants to reserve */ +{ + fil_space_t* space; + ibool success; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + + if (space->n_reserved_extents + n_to_reserve > n_free_now) { + success = FALSE; + } else { + space->n_reserved_extents += n_to_reserve; + success = TRUE; + } + + mutex_exit(&fil_system->mutex); + + return(success); +} + +/*******************************************************************//** +Releases free extents in a file space. */ +UNIV_INTERN +void +fil_space_release_free_extents( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint n_reserved) /*!< in: how many one reserved */ +{ + fil_space_t* space; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + ut_a(space->n_reserved_extents >= n_reserved); + + space->n_reserved_extents -= n_reserved; + + mutex_exit(&fil_system->mutex); +} + +/*******************************************************************//** +Gets the number of reserved extents. If the database is silent, this number +should be zero. */ +UNIV_INTERN +ulint +fil_space_get_n_reserved_extents( +/*=============================*/ + ulint id) /*!< in: space id */ +{ + fil_space_t* space; + ulint n; + + ut_ad(fil_system); + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(id); + + ut_a(space); + + n = space->n_reserved_extents; + + mutex_exit(&fil_system->mutex); + + return(n); +} + +/*============================ FILE I/O ================================*/ + +/********************************************************************//** +NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! + +Prepares a file node for i/o. Opens the file if it is closed. Updates the +pending i/o's field in the node and the system appropriately. Takes the node +off the LRU list if it is in the LRU list. The caller must hold the fil_sys +mutex. */ +static +void +fil_node_prepare_for_io( +/*====================*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + fil_space_t* space) /*!< in: space */ +{ + ut_ad(node && system && space); + ut_ad(mutex_own(&(system->mutex))); + + if (system->n_open > system->max_n_open + 5) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: open files %lu" + " exceeds the limit %lu\n", + (ulong) system->n_open, + (ulong) system->max_n_open); + } + + if (node->open == FALSE) { + /* File is closed: open it */ + ut_a(node->n_pending == 0); + + fil_node_open_file(node, system, space); + } + + if (node->n_pending == 0 && space->purpose == FIL_TABLESPACE + && space->id != 0) { + /* The node is in the LRU list, remove it */ + + ut_a(UT_LIST_GET_LEN(system->LRU) > 0); + + UT_LIST_REMOVE(LRU, system->LRU, node); + } + + node->n_pending++; +} + +/********************************************************************//** +Updates the data structures when an i/o operation finishes. Updates the +pending i/o's field in the node appropriately. */ +static +void +fil_node_complete_io( +/*=================*/ + fil_node_t* node, /*!< in: file node */ + fil_system_t* system, /*!< in: tablespace memory cache */ + ulint type) /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks + the node as modified if + type == OS_FILE_WRITE */ +{ + ut_ad(node); + ut_ad(system); + ut_ad(mutex_own(&(system->mutex))); + + ut_a(node->n_pending > 0); + + node->n_pending--; + + if (type == OS_FILE_WRITE) { + system->modification_counter++; + node->modification_counter = system->modification_counter; + + if (!node->space->is_in_unflushed_spaces) { + + node->space->is_in_unflushed_spaces = TRUE; + UT_LIST_ADD_FIRST(unflushed_spaces, + system->unflushed_spaces, + node->space); + } + } + + if (node->n_pending == 0 && node->space->purpose == FIL_TABLESPACE + && node->space->id != 0) { + /* The node must be put back to the LRU list */ + UT_LIST_ADD_FIRST(LRU, system->LRU, node); + } +} + +/********************************************************************//** +Report information about an invalid page access. */ +static +void +fil_report_invalid_page_access( +/*===========================*/ + ulint block_offset, /*!< in: block offset */ + ulint space_id, /*!< in: space id */ + const char* space_name, /*!< in: space name */ + ulint byte_offset, /*!< in: byte offset */ + ulint len, /*!< in: I/O length */ + ulint type) /*!< in: I/O type */ +{ + fprintf(stderr, + "InnoDB: Error: trying to access page number %lu" + " in space %lu,\n" + "InnoDB: space name %s,\n" + "InnoDB: which is outside the tablespace bounds.\n" + "InnoDB: Byte offset %lu, len %lu, i/o type %lu.\n" + "InnoDB: If you get this error at mysqld startup," + " please check that\n" + "InnoDB: your my.cnf matches the ibdata files" + " that you have in the\n" + "InnoDB: MySQL server.\n", + (ulong) block_offset, (ulong) space_id, space_name, + (ulong) byte_offset, (ulong) len, (ulong) type); +} + +/********************************************************************//** +Reads or writes data. This operation is asynchronous (aio). +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ +UNIV_INTERN +ulint +fil_io( +/*===*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, + ORed to OS_FILE_LOG, if a log i/o + and ORed to OS_AIO_SIMULATED_WAKE_LATER + if simulated aio and we want to post a + batch of i/os; NOTE that a simulated batch + may introduce hidden chances of deadlocks, + because i/os are not actually handled until + all have been posted: use with great + caution! */ + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in + aio this must be divisible by the OS block + size */ + ulint len, /*!< in: how many bytes to read or write; this + must not cross a file boundary; in aio this + must be a block size multiple */ + void* buf, /*!< in/out: buffer where to store read data + or from where to write; in aio this must be + appropriately aligned */ + void* message) /*!< in: message for aio handler if non-sync + aio used, else ignored */ +{ + ulint mode; + fil_space_t* space; + fil_node_t* node; + ulint offset_high; + ulint offset_low; + ibool ret; + ulint is_log; + ulint wake_later; + + is_log = type & OS_FILE_LOG; + type = type & ~OS_FILE_LOG; + + wake_later = type & OS_AIO_SIMULATED_WAKE_LATER; + type = type & ~OS_AIO_SIMULATED_WAKE_LATER; + + ut_ad(byte_offset < UNIV_PAGE_SIZE); + ut_ad(!zip_size || !byte_offset); + ut_ad(ut_is_2pow(zip_size)); + ut_ad(buf); + ut_ad(len > 0); +#if (1 << UNIV_PAGE_SIZE_SHIFT) != UNIV_PAGE_SIZE +# error "(1 << UNIV_PAGE_SIZE_SHIFT) != UNIV_PAGE_SIZE" +#endif + ut_ad(fil_validate()); +#ifndef UNIV_HOTBACKUP +# ifndef UNIV_LOG_DEBUG + /* ibuf bitmap pages must be read in the sync aio mode: */ + ut_ad(recv_no_ibuf_operations || (type == OS_FILE_WRITE) + || !ibuf_bitmap_page(zip_size, block_offset) + || sync || is_log); + ut_ad(!ibuf_inside() || is_log || (type == OS_FILE_WRITE) + || ibuf_page(space_id, zip_size, block_offset, NULL)); +# endif /* UNIV_LOG_DEBUG */ + if (sync) { + mode = OS_AIO_SYNC; + } else if (is_log) { + mode = OS_AIO_LOG; + } else if (type == OS_FILE_READ + && !recv_no_ibuf_operations + && ibuf_page(space_id, zip_size, block_offset, NULL)) { + mode = OS_AIO_IBUF; + } else { + mode = OS_AIO_NORMAL; + } +#else /* !UNIV_HOTBACKUP */ + ut_a(sync); + mode = OS_AIO_SYNC; +#endif /* !UNIV_HOTBACKUP */ + + if (type == OS_FILE_READ) { + srv_data_read+= len; + } else if (type == OS_FILE_WRITE) { + srv_data_written+= len; + } + + /* Reserve the fil_system mutex and make sure that we can open at + least one file while holding it, if the file is not already open */ + + fil_mutex_enter_and_prepare_for_io(space_id); + + space = fil_space_get_by_id(space_id); + + if (!space) { + mutex_exit(&fil_system->mutex); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: trying to do i/o" + " to a tablespace which does not exist.\n" + "InnoDB: i/o type %lu, space id %lu," + " page no. %lu, i/o length %lu bytes\n", + (ulong) type, (ulong) space_id, (ulong) block_offset, + (ulong) len); + + return(DB_TABLESPACE_DELETED); + } + + ut_ad((mode != OS_AIO_IBUF) || (space->purpose == FIL_TABLESPACE)); + + node = UT_LIST_GET_FIRST(space->chain); + + for (;;) { + if (UNIV_UNLIKELY(node == NULL)) { + fil_report_invalid_page_access( + block_offset, space_id, space->name, + byte_offset, len, type); + + ut_error; + } + + if (space->id != 0 && node->size == 0) { + /* We do not know the size of a single-table tablespace + before we open the file */ + + break; + } + + if (node->size > block_offset) { + /* Found! */ + break; + } else { + block_offset -= node->size; + node = UT_LIST_GET_NEXT(chain, node); + } + } + + /* Open file if closed */ + fil_node_prepare_for_io(node, fil_system, space); + + /* Check that at least the start offset is within the bounds of a + single-table tablespace */ + if (UNIV_UNLIKELY(node->size <= block_offset) + && space->id != 0 && space->purpose == FIL_TABLESPACE) { + + fil_report_invalid_page_access( + block_offset, space_id, space->name, byte_offset, + len, type); + + ut_error; + } + + /* Now we have made the changes in the data structures of fil_system */ + mutex_exit(&fil_system->mutex); + + /* Calculate the low 32 bits and the high 32 bits of the file offset */ + + if (!zip_size) { + offset_high = (block_offset >> (32 - UNIV_PAGE_SIZE_SHIFT)); + offset_low = ((block_offset << UNIV_PAGE_SIZE_SHIFT) + & 0xFFFFFFFFUL) + byte_offset; + + ut_a(node->size - block_offset + >= ((byte_offset + len + (UNIV_PAGE_SIZE - 1)) + / UNIV_PAGE_SIZE)); + } else { + ulint zip_size_shift; + switch (zip_size) { + case 1024: zip_size_shift = 10; break; + case 2048: zip_size_shift = 11; break; + case 4096: zip_size_shift = 12; break; + case 8192: zip_size_shift = 13; break; + case 16384: zip_size_shift = 14; break; + default: ut_error; + } + offset_high = block_offset >> (32 - zip_size_shift); + offset_low = (block_offset << zip_size_shift & 0xFFFFFFFFUL) + + byte_offset; + ut_a(node->size - block_offset + >= (len + (zip_size - 1)) / zip_size); + } + + /* Do aio */ + + ut_a(byte_offset % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_a((len % OS_FILE_LOG_BLOCK_SIZE) == 0); + +#ifdef UNIV_HOTBACKUP + /* In ibbackup do normal i/o, not aio */ + if (type == OS_FILE_READ) { + ret = os_file_read(node->handle, buf, offset_low, offset_high, + len); + } else { + ret = os_file_write(node->name, node->handle, buf, + offset_low, offset_high, len); + } +#else + /* Queue the aio request */ + ret = os_aio(type, mode | wake_later, node->name, node->handle, buf, + offset_low, offset_high, len, node, message); +#endif + ut_a(ret); + + if (mode == OS_AIO_SYNC) { + /* The i/o operation is already completed when we return from + os_aio: */ + + mutex_enter(&fil_system->mutex); + + fil_node_complete_io(node, fil_system, type); + + mutex_exit(&fil_system->mutex); + + ut_ad(fil_validate()); + } + + return(DB_SUCCESS); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Waits for an aio operation to complete. This function is used to write the +handler for completed requests. The aio array of pending requests is divided +into segments (see os0file.c for more info). The thread specifies which +segment it wants to wait for. */ +UNIV_INTERN +void +fil_aio_wait( +/*=========*/ + ulint segment) /*!< in: the number of the segment in the aio + array to wait for */ +{ + ibool ret; + fil_node_t* fil_node; + void* message; + ulint type; + + ut_ad(fil_validate()); + + if (srv_use_native_aio) { + srv_set_io_thread_op_info(segment, "native aio handle"); +#ifdef WIN_ASYNC_IO + ret = os_aio_windows_handle(segment, 0, &fil_node, + &message, &type); +#elif defined(LINUX_NATIVE_AIO) + ret = os_aio_linux_handle(segment, &fil_node, + &message, &type); +#else + ret = 0; /* Eliminate compiler warning */ + ut_error; +#endif + } else { + srv_set_io_thread_op_info(segment, "simulated aio handle"); + + ret = os_aio_simulated_handle(segment, &fil_node, + &message, &type); + } + + ut_a(ret); + + srv_set_io_thread_op_info(segment, "complete io for fil node"); + + mutex_enter(&fil_system->mutex); + + fil_node_complete_io(fil_node, fil_system, type); + + mutex_exit(&fil_system->mutex); + + ut_ad(fil_validate()); + + /* Do the i/o handling */ + /* IMPORTANT: since i/o handling for reads will read also the insert + buffer in tablespace 0, you have to be very careful not to introduce + deadlocks in the i/o system. We keep tablespace 0 data files always + open, and use a special i/o thread to serve insert buffer requests. */ + + if (fil_node->space->purpose == FIL_TABLESPACE) { + srv_set_io_thread_op_info(segment, "complete io for buf page"); + buf_page_io_complete(message); + } else { + srv_set_io_thread_op_info(segment, "complete io for log"); + log_io_complete(message); + } +} +#endif /* UNIV_HOTBACKUP */ + +/**********************************************************************//** +Flushes to disk possible writes cached by the OS. If the space does not exist +or is being dropped, does not do anything. */ +UNIV_INTERN +void +fil_flush( +/*======*/ + ulint space_id) /*!< in: file space id (this can be a group of + log files or a tablespace of the database) */ +{ + fil_space_t* space; + fil_node_t* node; + os_file_t file; + ib_int64_t old_mod_counter; + + mutex_enter(&fil_system->mutex); + + space = fil_space_get_by_id(space_id); + + if (!space || space->is_being_deleted) { + mutex_exit(&fil_system->mutex); + + return; + } + + space->n_pending_flushes++; /*!< prevent dropping of the space while + we are flushing */ + node = UT_LIST_GET_FIRST(space->chain); + + while (node) { + if (node->modification_counter > node->flush_counter) { + ut_a(node->open); + + /* We want to flush the changes at least up to + old_mod_counter */ + old_mod_counter = node->modification_counter; + + if (space->purpose == FIL_TABLESPACE) { + fil_n_pending_tablespace_flushes++; + } else { + fil_n_pending_log_flushes++; + fil_n_log_flushes++; + } +#ifdef __WIN__ + if (node->is_raw_disk) { + + goto skip_flush; + } +#endif +retry: + if (node->n_pending_flushes > 0) { + /* We want to avoid calling os_file_flush() on + the file twice at the same time, because we do + not know what bugs OS's may contain in file + i/o; sleep for a while */ + + mutex_exit(&fil_system->mutex); + + os_thread_sleep(20000); + + mutex_enter(&fil_system->mutex); + + if (node->flush_counter >= old_mod_counter) { + + goto skip_flush; + } + + goto retry; + } + + ut_a(node->open); + file = node->handle; + node->n_pending_flushes++; + + mutex_exit(&fil_system->mutex); + + /* fprintf(stderr, "Flushing to file %s\n", + node->name); */ + + os_file_flush(file); + + mutex_enter(&fil_system->mutex); + + node->n_pending_flushes--; +skip_flush: + if (node->flush_counter < old_mod_counter) { + node->flush_counter = old_mod_counter; + + if (space->is_in_unflushed_spaces + && fil_space_is_flushed(space)) { + + space->is_in_unflushed_spaces = FALSE; + + UT_LIST_REMOVE( + unflushed_spaces, + fil_system->unflushed_spaces, + space); + } + } + + if (space->purpose == FIL_TABLESPACE) { + fil_n_pending_tablespace_flushes--; + } else { + fil_n_pending_log_flushes--; + } + } + + node = UT_LIST_GET_NEXT(chain, node); + } + + space->n_pending_flushes--; + + mutex_exit(&fil_system->mutex); +} + +/**********************************************************************//** +Flushes to disk the writes in file spaces of the given type possibly cached by +the OS. */ +UNIV_INTERN +void +fil_flush_file_spaces( +/*==================*/ + ulint purpose) /*!< in: FIL_TABLESPACE, FIL_LOG */ +{ + fil_space_t* space; + ulint* space_ids; + ulint n_space_ids; + ulint i; + + mutex_enter(&fil_system->mutex); + + n_space_ids = UT_LIST_GET_LEN(fil_system->unflushed_spaces); + if (n_space_ids == 0) { + + mutex_exit(&fil_system->mutex); + return; + } + + /* Assemble a list of space ids to flush. Previously, we + traversed fil_system->unflushed_spaces and called UT_LIST_GET_NEXT() + on a space that was just removed from the list by fil_flush(). + Thus, the space could be dropped and the memory overwritten. */ + space_ids = mem_alloc(n_space_ids * sizeof *space_ids); + + n_space_ids = 0; + + for (space = UT_LIST_GET_FIRST(fil_system->unflushed_spaces); + space; + space = UT_LIST_GET_NEXT(unflushed_spaces, space)) { + + if (space->purpose == purpose && !space->is_being_deleted) { + + space_ids[n_space_ids++] = space->id; + } + } + + mutex_exit(&fil_system->mutex); + + /* Flush the spaces. It will not hurt to call fil_flush() on + a non-existing space id. */ + for (i = 0; i < n_space_ids; i++) { + + fil_flush(space_ids[i]); + } + + mem_free(space_ids); +} + +/******************************************************************//** +Checks the consistency of the tablespace cache. +@return TRUE if ok */ +UNIV_INTERN +ibool +fil_validate(void) +/*==============*/ +{ + fil_space_t* space; + fil_node_t* fil_node; + ulint n_open = 0; + ulint i; + + mutex_enter(&fil_system->mutex); + + /* Look for spaces in the hash table */ + + for (i = 0; i < hash_get_n_cells(fil_system->spaces); i++) { + + space = HASH_GET_FIRST(fil_system->spaces, i); + + while (space != NULL) { + UT_LIST_VALIDATE(chain, fil_node_t, space->chain, + ut_a(ut_list_node_313->open + || !ut_list_node_313->n_pending)); + + fil_node = UT_LIST_GET_FIRST(space->chain); + + while (fil_node != NULL) { + if (fil_node->n_pending > 0) { + ut_a(fil_node->open); + } + + if (fil_node->open) { + n_open++; + } + fil_node = UT_LIST_GET_NEXT(chain, fil_node); + } + space = HASH_GET_NEXT(hash, space); + } + } + + ut_a(fil_system->n_open == n_open); + + UT_LIST_VALIDATE(LRU, fil_node_t, fil_system->LRU, (void) 0); + + fil_node = UT_LIST_GET_FIRST(fil_system->LRU); + + while (fil_node != NULL) { + ut_a(fil_node->n_pending == 0); + ut_a(fil_node->open); + ut_a(fil_node->space->purpose == FIL_TABLESPACE); + ut_a(fil_node->space->id != 0); + + fil_node = UT_LIST_GET_NEXT(LRU, fil_node); + } + + mutex_exit(&fil_system->mutex); + + return(TRUE); +} + +/********************************************************************//** +Returns TRUE if file address is undefined. +@return TRUE if undefined */ +UNIV_INTERN +ibool +fil_addr_is_null( +/*=============*/ + fil_addr_t addr) /*!< in: address */ +{ + return(addr.page == FIL_NULL); +} + +/********************************************************************//** +Get the predecessor of a file page. +@return FIL_PAGE_PREV */ +UNIV_INTERN +ulint +fil_page_get_prev( +/*==============*/ + const byte* page) /*!< in: file page */ +{ + return(mach_read_from_4(page + FIL_PAGE_PREV)); +} + +/********************************************************************//** +Get the successor of a file page. +@return FIL_PAGE_NEXT */ +UNIV_INTERN +ulint +fil_page_get_next( +/*==============*/ + const byte* page) /*!< in: file page */ +{ + return(mach_read_from_4(page + FIL_PAGE_NEXT)); +} + +/*********************************************************************//** +Sets the file page type. */ +UNIV_INTERN +void +fil_page_set_type( +/*==============*/ + byte* page, /*!< in/out: file page */ + ulint type) /*!< in: type */ +{ + ut_ad(page); + + mach_write_to_2(page + FIL_PAGE_TYPE, type); +} + +/*********************************************************************//** +Gets the file page type. +@return type; NOTE that if the type has not been written to page, the +return value not defined */ +UNIV_INTERN +ulint +fil_page_get_type( +/*==============*/ + const byte* page) /*!< in: file page */ +{ + ut_ad(page); + + return(mach_read_from_2(page + FIL_PAGE_TYPE)); +} + +/******************************************************************** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_close(void) +/*===========*/ +{ +#ifndef UNIV_HOTBACKUP + /* The mutex should already have been freed. */ + ut_ad(fil_system->mutex.magic_n == 0); +#endif /* !UNIV_HOTBACKUP */ + + hash_table_free(fil_system->spaces); + + hash_table_free(fil_system->name_hash); + + ut_a(UT_LIST_GET_LEN(fil_system->LRU) == 0); + ut_a(UT_LIST_GET_LEN(fil_system->unflushed_spaces) == 0); + ut_a(UT_LIST_GET_LEN(fil_system->space_list) == 0); + + mem_free(fil_system); + + fil_system = NULL; +} diff --git a/perfschema/fsp/fsp0fsp.c b/perfschema/fsp/fsp0fsp.c new file mode 100644 index 00000000000..c7f1a299d8a --- /dev/null +++ b/perfschema/fsp/fsp0fsp.c @@ -0,0 +1,4308 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file fsp/fsp0fsp.c +File space management + +Created 11/29/1995 Heikki Tuuri +***********************************************************************/ + +#include "fsp0fsp.h" + +#ifdef UNIV_NONINL +#include "fsp0fsp.ic" +#endif + +#include "buf0buf.h" +#include "fil0fil.h" +#include "mtr0log.h" +#include "ut0byte.h" +#include "page0page.h" +#include "page0zip.h" +#ifdef UNIV_HOTBACKUP +# include "fut0lst.h" +#else /* UNIV_HOTBACKUP */ +# include "sync0sync.h" +# include "fut0fut.h" +# include "srv0srv.h" +# include "ibuf0ibuf.h" +# include "btr0btr.h" +# include "btr0sea.h" +# include "dict0boot.h" +# include "log0log.h" +#endif /* UNIV_HOTBACKUP */ +#include "dict0mem.h" + + +#define FSP_HEADER_OFFSET FIL_PAGE_DATA /* Offset of the space header + within a file page */ + +/* The data structures in files are defined just as byte strings in C */ +typedef byte fsp_header_t; +typedef byte xdes_t; + +/* SPACE HEADER + ============ + +File space header data structure: this data structure is contained in the +first page of a space. The space for this header is reserved in every extent +descriptor page, but used only in the first. */ + +/*-------------------------------------*/ +#define FSP_SPACE_ID 0 /* space id */ +#define FSP_NOT_USED 4 /* this field contained a value up to + which we know that the modifications + in the database have been flushed to + the file space; not used now */ +#define FSP_SIZE 8 /* Current size of the space in + pages */ +#define FSP_FREE_LIMIT 12 /* Minimum page number for which the + free list has not been initialized: + the pages >= this limit are, by + definition, free; note that in a + single-table tablespace where size + < 64 pages, this number is 64, i.e., + we have initialized the space + about the first extent, but have not + physically allocted those pages to the + file */ +#define FSP_SPACE_FLAGS 16 /* table->flags & ~DICT_TF_COMPACT */ +#define FSP_FRAG_N_USED 20 /* number of used pages in the + FSP_FREE_FRAG list */ +#define FSP_FREE 24 /* list of free extents */ +#define FSP_FREE_FRAG (24 + FLST_BASE_NODE_SIZE) + /* list of partially free extents not + belonging to any segment */ +#define FSP_FULL_FRAG (24 + 2 * FLST_BASE_NODE_SIZE) + /* list of full extents not belonging + to any segment */ +#define FSP_SEG_ID (24 + 3 * FLST_BASE_NODE_SIZE) + /* 8 bytes which give the first unused + segment id */ +#define FSP_SEG_INODES_FULL (32 + 3 * FLST_BASE_NODE_SIZE) + /* list of pages containing segment + headers, where all the segment inode + slots are reserved */ +#define FSP_SEG_INODES_FREE (32 + 4 * FLST_BASE_NODE_SIZE) + /* list of pages containing segment + headers, where not all the segment + header slots are reserved */ +/*-------------------------------------*/ +/* File space header size */ +#define FSP_HEADER_SIZE (32 + 5 * FLST_BASE_NODE_SIZE) + +#define FSP_FREE_ADD 4 /* this many free extents are added + to the free list from above + FSP_FREE_LIMIT at a time */ + +/* FILE SEGMENT INODE + ================== + +Segment inode which is created for each segment in a tablespace. NOTE: in +purge we assume that a segment having only one currently used page can be +freed in a few steps, so that the freeing cannot fill the file buffer with +bufferfixed file pages. */ + +typedef byte fseg_inode_t; + +#define FSEG_INODE_PAGE_NODE FSEG_PAGE_DATA + /* the list node for linking + segment inode pages */ + +#define FSEG_ARR_OFFSET (FSEG_PAGE_DATA + FLST_NODE_SIZE) +/*-------------------------------------*/ +#define FSEG_ID 0 /* 8 bytes of segment id: if this is + ut_dulint_zero, it means that the + header is unused */ +#define FSEG_NOT_FULL_N_USED 8 + /* number of used segment pages in + the FSEG_NOT_FULL list */ +#define FSEG_FREE 12 + /* list of free extents of this + segment */ +#define FSEG_NOT_FULL (12 + FLST_BASE_NODE_SIZE) + /* list of partially free extents */ +#define FSEG_FULL (12 + 2 * FLST_BASE_NODE_SIZE) + /* list of full extents */ +#define FSEG_MAGIC_N (12 + 3 * FLST_BASE_NODE_SIZE) + /* magic number used in debugging */ +#define FSEG_FRAG_ARR (16 + 3 * FLST_BASE_NODE_SIZE) + /* array of individual pages + belonging to this segment in fsp + fragment extent lists */ +#define FSEG_FRAG_ARR_N_SLOTS (FSP_EXTENT_SIZE / 2) + /* number of slots in the array for + the fragment pages */ +#define FSEG_FRAG_SLOT_SIZE 4 /* a fragment page slot contains its + page number within space, FIL_NULL + means that the slot is not in use */ +/*-------------------------------------*/ +#define FSEG_INODE_SIZE \ + (16 + 3 * FLST_BASE_NODE_SIZE \ + + FSEG_FRAG_ARR_N_SLOTS * FSEG_FRAG_SLOT_SIZE) + +#define FSP_SEG_INODES_PER_PAGE(zip_size) \ + (((zip_size ? zip_size : UNIV_PAGE_SIZE) \ + - FSEG_ARR_OFFSET - 10) / FSEG_INODE_SIZE) + /* Number of segment inodes which fit on a + single page */ + +#define FSEG_MAGIC_N_VALUE 97937874 + +#define FSEG_FILLFACTOR 8 /* If this value is x, then if + the number of unused but reserved + pages in a segment is less than + reserved pages * 1/x, and there are + at least FSEG_FRAG_LIMIT used pages, + then we allow a new empty extent to + be added to the segment in + fseg_alloc_free_page. Otherwise, we + use unused pages of the segment. */ + +#define FSEG_FRAG_LIMIT FSEG_FRAG_ARR_N_SLOTS + /* If the segment has >= this many + used pages, it may be expanded by + allocating extents to the segment; + until that only individual fragment + pages are allocated from the space */ + +#define FSEG_FREE_LIST_LIMIT 40 /* If the reserved size of a segment + is at least this many extents, we + allow extents to be put to the free + list of the extent: at most + FSEG_FREE_LIST_MAX_LEN many */ +#define FSEG_FREE_LIST_MAX_LEN 4 + + +/* EXTENT DESCRIPTOR + ================= + +File extent descriptor data structure: contains bits to tell which pages in +the extent are free and which contain old tuple version to clean. */ + +/*-------------------------------------*/ +#define XDES_ID 0 /* The identifier of the segment + to which this extent belongs */ +#define XDES_FLST_NODE 8 /* The list node data structure + for the descriptors */ +#define XDES_STATE (FLST_NODE_SIZE + 8) + /* contains state information + of the extent */ +#define XDES_BITMAP (FLST_NODE_SIZE + 12) + /* Descriptor bitmap of the pages + in the extent */ +/*-------------------------------------*/ + +#define XDES_BITS_PER_PAGE 2 /* How many bits are there per page */ +#define XDES_FREE_BIT 0 /* Index of the bit which tells if + the page is free */ +#define XDES_CLEAN_BIT 1 /* NOTE: currently not used! + Index of the bit which tells if + there are old versions of tuples + on the page */ +/* States of a descriptor */ +#define XDES_FREE 1 /* extent is in free list of space */ +#define XDES_FREE_FRAG 2 /* extent is in free fragment list of + space */ +#define XDES_FULL_FRAG 3 /* extent is in full fragment list of + space */ +#define XDES_FSEG 4 /* extent belongs to a segment */ + +/* File extent data structure size in bytes. */ +#define XDES_SIZE \ + (XDES_BITMAP + UT_BITS_IN_BYTES(FSP_EXTENT_SIZE * XDES_BITS_PER_PAGE)) + +/* Offset of the descriptor array on a descriptor page */ +#define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) + +#ifndef UNIV_HOTBACKUP +/* Flag to indicate if we have printed the tablespace full error. */ +static ibool fsp_tbs_full_error_printed = FALSE; + +/**********************************************************************//** +Returns an extent to the free list of a space. */ +static +void +fsp_free_extent( +/*============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Frees an extent of a segment to the space free list. */ +static +void +fseg_free_extent( +/*=============*/ + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr); /*!< in: mtr handle */ +/**********************************************************************//** +Calculates the number of pages reserved by a segment, and how +many pages are currently used. +@return number of reserved pages */ +static +ulint +fseg_n_reserved_pages_low( +/*======================*/ + fseg_inode_t* header, /*!< in: segment inode */ + ulint* used, /*!< out: number of pages used (not + more than reserved) */ + mtr_t* mtr); /*!< in: mtr handle */ +/********************************************************************//** +Marks a page used. The page must reside within the extents of the given +segment. */ +static +void +fseg_mark_page_used( +/*================*/ + fseg_inode_t* seg_inode,/*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Returns the first extent descriptor for a segment. We think of the extent +lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL +-> FSEG_FREE. +@return the first extent descriptor, or NULL if none */ +static +xdes_t* +fseg_get_first_extent( +/*==================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Puts new extents to the free list if +there are free extents above the free limit. If an extent happens +to contain an extent descriptor page, the extent is put to +the FSP_FREE_FRAG list with the page marked as used. */ +static +void +fsp_fill_free_list( +/*===============*/ + ibool init_space, /*!< in: TRUE if this is a single-table + tablespace and we are only initing + the tablespace's first extent + descriptor page and ibuf bitmap page; + then we do not allocate more extents */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize file space +fragmentation. +@return the allocated page number, FIL_NULL if no page could be allocated */ +static +ulint +fseg_alloc_free_page_low( +/*=====================*/ + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + mtr_t* mtr); /*!< in: mtr handle */ +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Reads the file space size stored in the header page. +@return tablespace size stored in the space header */ +UNIV_INTERN +ulint +fsp_get_size_low( +/*=============*/ + page_t* page) /*!< in: header page (page 0 in the tablespace) */ +{ + return(mach_read_from_4(page + FSP_HEADER_OFFSET + FSP_SIZE)); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Gets a pointer to the space header and x-locks its page. +@return pointer to the space header, page x-locked */ +UNIV_INLINE +fsp_header_t* +fsp_get_space_header( +/*=================*/ + ulint id, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + fsp_header_t* header; + + ut_ad(ut_is_2pow(zip_size)); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + ut_ad(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); + ut_ad(id || !zip_size); + + block = buf_page_get(id, zip_size, 0, RW_X_LATCH, mtr); + header = FSP_HEADER_OFFSET + buf_block_get_frame(block); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + ut_ad(id == mach_read_from_4(FSP_SPACE_ID + header)); + ut_ad(zip_size == dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + header))); + return(header); +} + +/**********************************************************************//** +Gets a descriptor bit of a page. +@return TRUE if free */ +UNIV_INLINE +ibool +xdes_get_bit( +/*=========*/ + const xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ulint offset, /*!< in: page offset within extent: + 0 ... FSP_EXTENT_SIZE - 1 */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint index; + ulint byte_index; + ulint bit_index; + + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + ut_ad((bit == XDES_FREE_BIT) || (bit == XDES_CLEAN_BIT)); + ut_ad(offset < FSP_EXTENT_SIZE); + + index = bit + XDES_BITS_PER_PAGE * offset; + + byte_index = index / 8; + bit_index = index % 8; + + return(ut_bit_get_nth(mtr_read_ulint(descr + XDES_BITMAP + byte_index, + MLOG_1BYTE, mtr), + bit_index)); +} + +/**********************************************************************//** +Sets a descriptor bit of a page. */ +UNIV_INLINE +void +xdes_set_bit( +/*=========*/ + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ulint offset, /*!< in: page offset within extent: + 0 ... FSP_EXTENT_SIZE - 1 */ + ibool val, /*!< in: bit value */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint index; + ulint byte_index; + ulint bit_index; + ulint descr_byte; + + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + ut_ad((bit == XDES_FREE_BIT) || (bit == XDES_CLEAN_BIT)); + ut_ad(offset < FSP_EXTENT_SIZE); + + index = bit + XDES_BITS_PER_PAGE * offset; + + byte_index = index / 8; + bit_index = index % 8; + + descr_byte = mtr_read_ulint(descr + XDES_BITMAP + byte_index, + MLOG_1BYTE, mtr); + descr_byte = ut_bit_set_nth(descr_byte, bit_index, val); + + mlog_write_ulint(descr + XDES_BITMAP + byte_index, descr_byte, + MLOG_1BYTE, mtr); +} + +/**********************************************************************//** +Looks for a descriptor bit having the desired value. Starts from hint +and scans upward; at the end of the extent the search is wrapped to +the start of the extent. +@return bit index of the bit, ULINT_UNDEFINED if not found */ +UNIV_INLINE +ulint +xdes_find_bit( +/*==========*/ + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ibool val, /*!< in: desired bit value */ + ulint hint, /*!< in: hint of which bit position would be desirable */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + + ut_ad(descr && mtr); + ut_ad(val <= TRUE); + ut_ad(hint < FSP_EXTENT_SIZE); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + for (i = hint; i < FSP_EXTENT_SIZE; i++) { + if (val == xdes_get_bit(descr, bit, i, mtr)) { + + return(i); + } + } + + for (i = 0; i < hint; i++) { + if (val == xdes_get_bit(descr, bit, i, mtr)) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Looks for a descriptor bit having the desired value. Scans the extent in +a direction opposite to xdes_find_bit. +@return bit index of the bit, ULINT_UNDEFINED if not found */ +UNIV_INLINE +ulint +xdes_find_bit_downward( +/*===================*/ + xdes_t* descr, /*!< in: descriptor */ + ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ + ibool val, /*!< in: desired bit value */ + ulint hint, /*!< in: hint of which bit position would be desirable */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + + ut_ad(descr && mtr); + ut_ad(val <= TRUE); + ut_ad(hint < FSP_EXTENT_SIZE); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + for (i = hint + 1; i > 0; i--) { + if (val == xdes_get_bit(descr, bit, i - 1, mtr)) { + + return(i - 1); + } + } + + for (i = FSP_EXTENT_SIZE - 1; i > hint; i--) { + if (val == xdes_get_bit(descr, bit, i, mtr)) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Returns the number of used pages in a descriptor. +@return number of pages used */ +UNIV_INLINE +ulint +xdes_get_n_used( +/*============*/ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + ulint count = 0; + + ut_ad(descr && mtr); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + for (i = 0; i < FSP_EXTENT_SIZE; i++) { + if (FALSE == xdes_get_bit(descr, XDES_FREE_BIT, i, mtr)) { + count++; + } + } + + return(count); +} + +/**********************************************************************//** +Returns true if extent contains no used pages. +@return TRUE if totally free */ +UNIV_INLINE +ibool +xdes_is_free( +/*=========*/ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (0 == xdes_get_n_used(descr, mtr)) { + + return(TRUE); + } + + return(FALSE); +} + +/**********************************************************************//** +Returns true if extent contains no free pages. +@return TRUE if full */ +UNIV_INLINE +ibool +xdes_is_full( +/*=========*/ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (FSP_EXTENT_SIZE == xdes_get_n_used(descr, mtr)) { + + return(TRUE); + } + + return(FALSE); +} + +/**********************************************************************//** +Sets the state of an xdes. */ +UNIV_INLINE +void +xdes_set_state( +/*===========*/ + xdes_t* descr, /*!< in/out: descriptor */ + ulint state, /*!< in: state to set */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ut_ad(descr && mtr); + ut_ad(state >= XDES_FREE); + ut_ad(state <= XDES_FSEG); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + + mlog_write_ulint(descr + XDES_STATE, state, MLOG_4BYTES, mtr); +} + +/**********************************************************************//** +Gets the state of an xdes. +@return state */ +UNIV_INLINE +ulint +xdes_get_state( +/*===========*/ + const xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint state; + + ut_ad(descr && mtr); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + + state = mtr_read_ulint(descr + XDES_STATE, MLOG_4BYTES, mtr); + ut_ad(state - 1 < XDES_FSEG); + return(state); +} + +/**********************************************************************//** +Inits an extent descriptor to the free and clean state. */ +UNIV_INLINE +void +xdes_init( +/*======*/ + xdes_t* descr, /*!< in: descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + + ut_ad(descr && mtr); + ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); + ut_ad((XDES_SIZE - XDES_BITMAP) % 4 == 0); + + for (i = XDES_BITMAP; i < XDES_SIZE; i += 4) { + mlog_write_ulint(descr + i, 0xFFFFFFFFUL, MLOG_4BYTES, mtr); + } + + xdes_set_state(descr, XDES_FREE, mtr); +} + +/********************************************************************//** +Calculates the page where the descriptor of a page resides. +@return descriptor page offset */ +UNIV_INLINE +ulint +xdes_calc_descriptor_page( +/*======================*/ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint offset) /*!< in: page offset */ +{ +#ifndef DOXYGEN /* Doxygen gets confused of these */ +# if UNIV_PAGE_SIZE <= XDES_ARR_OFFSET \ + + (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE +# error +# endif +# if PAGE_ZIP_MIN_SIZE <= XDES_ARR_OFFSET \ + + (PAGE_ZIP_MIN_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE +# error +# endif +#endif /* !DOXYGEN */ + ut_ad(ut_is_2pow(zip_size)); + + if (!zip_size) { + return(ut_2pow_round(offset, UNIV_PAGE_SIZE)); + } else { + ut_ad(zip_size > XDES_ARR_OFFSET + + (zip_size / FSP_EXTENT_SIZE) * XDES_SIZE); + return(ut_2pow_round(offset, zip_size)); + } +} + +/********************************************************************//** +Calculates the descriptor index within a descriptor page. +@return descriptor index */ +UNIV_INLINE +ulint +xdes_calc_descriptor_index( +/*=======================*/ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint offset) /*!< in: page offset */ +{ + ut_ad(ut_is_2pow(zip_size)); + + if (!zip_size) { + return(ut_2pow_remainder(offset, UNIV_PAGE_SIZE) + / FSP_EXTENT_SIZE); + } else { + return(ut_2pow_remainder(offset, zip_size) / FSP_EXTENT_SIZE); + } +} + +/********************************************************************//** +Gets pointer to a the extent descriptor of a page. The page where the extent +descriptor resides is x-locked. If the page offset is equal to the free limit +of the space, adds new extents from above the free limit to the space free +list, if not free limit == space size. This adding is necessary to make the +descriptor defined, as they are uninitialized above the free limit. +@return pointer to the extent descriptor, NULL if the page does not +exist in the space or if the offset exceeds the free limit */ +UNIV_INLINE +xdes_t* +xdes_get_descriptor_with_space_hdr( +/*===============================*/ + fsp_header_t* sp_header,/*!< in/out: space header, x-latched */ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page offset; + if equal to the free limit, + we try to add new extents to + the space free list */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint limit; + ulint size; + ulint zip_size; + ulint descr_page_no; + page_t* descr_page; + + ut_ad(mtr); + ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), + MTR_MEMO_X_LOCK)); + ut_ad(mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_offset(sp_header) == FSP_HEADER_OFFSET); + /* Read free limit and space size */ + limit = mach_read_from_4(sp_header + FSP_FREE_LIMIT); + size = mach_read_from_4(sp_header + FSP_SIZE); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(sp_header + FSP_SPACE_FLAGS)); + + /* If offset is >= size or > limit, return NULL */ + + if ((offset >= size) || (offset > limit)) { + + return(NULL); + } + + /* If offset is == limit, fill free list of the space. */ + + if (offset == limit) { + fsp_fill_free_list(FALSE, space, sp_header, mtr); + } + + descr_page_no = xdes_calc_descriptor_page(zip_size, offset); + + if (descr_page_no == 0) { + /* It is on the space header page */ + + descr_page = page_align(sp_header); + } else { + buf_block_t* block; + + block = buf_page_get(space, zip_size, descr_page_no, + RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + descr_page = buf_block_get_frame(block); + } + + return(descr_page + XDES_ARR_OFFSET + + XDES_SIZE * xdes_calc_descriptor_index(zip_size, offset)); +} + +/********************************************************************//** +Gets pointer to a the extent descriptor of a page. The page where the +extent descriptor resides is x-locked. If the page offset is equal to +the free limit of the space, adds new extents from above the free limit +to the space free list, if not free limit == space size. This adding +is necessary to make the descriptor defined, as they are uninitialized +above the free limit. +@return pointer to the extent descriptor, NULL if the page does not +exist in the space or if the offset exceeds the free limit */ +static +xdes_t* +xdes_get_descriptor( +/*================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint offset, /*!< in: page offset; if equal to the free limit, + we try to add new extents to the space free list */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + buf_block_t* block; + fsp_header_t* sp_header; + + block = buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + sp_header = FSP_HEADER_OFFSET + buf_block_get_frame(block); + return(xdes_get_descriptor_with_space_hdr(sp_header, space, offset, + mtr)); +} + +/********************************************************************//** +Gets pointer to a the extent descriptor if the file address +of the descriptor list node is known. The page where the +extent descriptor resides is x-locked. +@return pointer to the extent descriptor */ +UNIV_INLINE +xdes_t* +xdes_lst_get_descriptor( +/*====================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fil_addr_t lst_node,/*!< in: file address of the list node + contained in the descriptor */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + xdes_t* descr; + + ut_ad(mtr); + ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), + MTR_MEMO_X_LOCK)); + descr = fut_get_ptr(space, zip_size, lst_node, RW_X_LATCH, mtr) + - XDES_FLST_NODE; + + return(descr); +} + +/********************************************************************//** +Returns page offset of the first page in extent described by a descriptor. +@return offset of the first page in extent */ +UNIV_INLINE +ulint +xdes_get_offset( +/*============*/ + xdes_t* descr) /*!< in: extent descriptor */ +{ + ut_ad(descr); + + return(page_get_page_no(page_align(descr)) + + ((page_offset(descr) - XDES_ARR_OFFSET) / XDES_SIZE) + * FSP_EXTENT_SIZE); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Inits a file page whose prior contents should be ignored. */ +static +void +fsp_init_file_page_low( +/*===================*/ + buf_block_t* block) /*!< in: pointer to a page */ +{ + page_t* page = buf_block_get_frame(block); + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + +#ifndef UNIV_HOTBACKUP + block->check_index_page_at_flush = FALSE; +#endif /* !UNIV_HOTBACKUP */ + + if (UNIV_LIKELY_NULL(page_zip)) { + memset(page, 0, UNIV_PAGE_SIZE); + memset(page_zip->data, 0, page_zip_get_size(page_zip)); + mach_write_to_4(page + FIL_PAGE_OFFSET, + buf_block_get_page_no(block)); + mach_write_to_4(page + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, + buf_block_get_space(block)); + memcpy(page_zip->data + FIL_PAGE_OFFSET, + page + FIL_PAGE_OFFSET, 4); + memcpy(page_zip->data + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, + page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 4); + return; + } + + UNIV_MEM_INVALID(page, UNIV_PAGE_SIZE); + mach_write_to_4(page + FIL_PAGE_OFFSET, buf_block_get_page_no(block)); + memset(page + FIL_PAGE_LSN, 0, 8); + mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, + buf_block_get_space(block)); + memset(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, 0, 8); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************//** +Inits a file page whose prior contents should be ignored. */ +static +void +fsp_init_file_page( +/*===============*/ + buf_block_t* block, /*!< in: pointer to a page */ + mtr_t* mtr) /*!< in: mtr */ +{ + fsp_init_file_page_low(block); + + mlog_write_initial_log_record(buf_block_get_frame(block), + MLOG_INIT_FILE_PAGE, mtr); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a redo log record of a file page init. +@return end of log record or NULL */ +UNIV_INTERN +byte* +fsp_parse_init_file_page( +/*=====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + buf_block_t* block) /*!< in: block or NULL */ +{ + ut_ad(ptr && end_ptr); + + if (block) { + fsp_init_file_page_low(block); + } + + return(ptr); +} + +/**********************************************************************//** +Initializes the fsp system. */ +UNIV_INTERN +void +fsp_init(void) +/*==========*/ +{ + /* Does nothing at the moment */ +} + +/**********************************************************************//** +Writes the space id and compressed page size to a tablespace header. +This function is used past the buffer pool when we in fil0fil.c create +a new single-table tablespace. */ +UNIV_INTERN +void +fsp_header_init_fields( +/*===================*/ + page_t* page, /*!< in/out: first page in the space */ + ulint space_id, /*!< in: space id */ + ulint flags) /*!< in: tablespace flags (FSP_SPACE_FLAGS): + 0, or table->flags if newer than COMPACT */ +{ + /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for + ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and + ROW_FORMAT=REDUNDANT (table->flags == 0). For any other + format, the tablespace flags should equal table->flags. */ + ut_a(flags != DICT_TF_COMPACT); + + mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_ID + page, + space_id); + mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page, + flags); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Initializes the space header of a new created space and creates also the +insert buffer tree root if space == 0. */ +UNIV_INTERN +void +fsp_header_init( +/*============*/ + ulint space, /*!< in: space id */ + ulint size, /*!< in: current size in blocks */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fsp_header_t* header; + buf_block_t* block; + page_t* page; + ulint flags; + ulint zip_size; + + ut_ad(mtr); + + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + + zip_size = dict_table_flags_to_zip_size(flags); + block = buf_page_create(space, 0, zip_size, mtr); + buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + /* The prior contents of the file page should be ignored */ + + fsp_init_file_page(block, mtr); + page = buf_block_get_frame(block); + + mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_TYPE_FSP_HDR, + MLOG_2BYTES, mtr); + + header = FSP_HEADER_OFFSET + page; + + mlog_write_ulint(header + FSP_SPACE_ID, space, MLOG_4BYTES, mtr); + mlog_write_ulint(header + FSP_NOT_USED, 0, MLOG_4BYTES, mtr); + + mlog_write_ulint(header + FSP_SIZE, size, MLOG_4BYTES, mtr); + mlog_write_ulint(header + FSP_FREE_LIMIT, 0, MLOG_4BYTES, mtr); + mlog_write_ulint(header + FSP_SPACE_FLAGS, flags, + MLOG_4BYTES, mtr); + mlog_write_ulint(header + FSP_FRAG_N_USED, 0, MLOG_4BYTES, mtr); + + flst_init(header + FSP_FREE, mtr); + flst_init(header + FSP_FREE_FRAG, mtr); + flst_init(header + FSP_FULL_FRAG, mtr); + flst_init(header + FSP_SEG_INODES_FULL, mtr); + flst_init(header + FSP_SEG_INODES_FREE, mtr); + + mlog_write_dulint(header + FSP_SEG_ID, ut_dulint_create(0, 1), mtr); + if (space == 0) { + fsp_fill_free_list(FALSE, space, header, mtr); + btr_create(DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, + 0, 0, ut_dulint_add(DICT_IBUF_ID_MIN, space), + dict_ind_redundant, mtr); + } else { + fsp_fill_free_list(TRUE, space, header, mtr); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Reads the space id from the first page of a tablespace. +@return space id, ULINT UNDEFINED if error */ +UNIV_INTERN +ulint +fsp_header_get_space_id( +/*====================*/ + const page_t* page) /*!< in: first page of a tablespace */ +{ + ulint fsp_id; + ulint id; + + fsp_id = mach_read_from_4(FSP_HEADER_OFFSET + page + FSP_SPACE_ID); + + id = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + + if (id != fsp_id) { + fprintf(stderr, + "InnoDB: Error: space id in fsp header %lu," + " but in the page header %lu\n", + (ulong) fsp_id, (ulong) id); + + return(ULINT_UNDEFINED); + } + + return(id); +} + +/**********************************************************************//** +Reads the space flags from the first page of a tablespace. +@return flags */ +UNIV_INTERN +ulint +fsp_header_get_flags( +/*=================*/ + const page_t* page) /*!< in: first page of a tablespace */ +{ + ut_ad(!page_offset(page)); + + return(mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page)); +} + +/**********************************************************************//** +Reads the compressed page size from the first page of a tablespace. +@return compressed page size in bytes, or 0 if uncompressed */ +UNIV_INTERN +ulint +fsp_header_get_zip_size( +/*====================*/ + const page_t* page) /*!< in: first page of a tablespace */ +{ + ulint flags = fsp_header_get_flags(page); + + return(dict_table_flags_to_zip_size(flags)); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Increases the space size field of a space. */ +UNIV_INTERN +void +fsp_header_inc_size( +/*================*/ + ulint space, /*!< in: space id */ + ulint size_inc,/*!< in: size increment in pages */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fsp_header_t* header; + ulint size; + ulint flags; + + ut_ad(mtr); + + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + + header = fsp_get_space_header(space, + dict_table_flags_to_zip_size(flags), + mtr); + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + + mlog_write_ulint(header + FSP_SIZE, size + size_inc, MLOG_4BYTES, + mtr); +} + +/**********************************************************************//** +Gets the current free limit of the system tablespace. The free limit +means the place of the first page which has never been put to the +free list for allocation. The space above that address is initialized +to zero. Sets also the global variable log_fsp_current_free_limit. +@return free limit in megabytes */ +UNIV_INTERN +ulint +fsp_header_get_free_limit(void) +/*===========================*/ +{ + fsp_header_t* header; + ulint limit; + mtr_t mtr; + + mtr_start(&mtr); + + mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); + + header = fsp_get_space_header(0, 0, &mtr); + + limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, &mtr); + + limit /= ((1024 * 1024) / UNIV_PAGE_SIZE); + + log_fsp_current_free_limit_set_and_checkpoint(limit); + + mtr_commit(&mtr); + + return(limit); +} + +/**********************************************************************//** +Gets the size of the system tablespace from the tablespace header. If +we do not have an auto-extending data file, this should be equal to +the size of the data files. If there is an auto-extending data file, +this can be smaller. +@return size in pages */ +UNIV_INTERN +ulint +fsp_header_get_tablespace_size(void) +/*================================*/ +{ + fsp_header_t* header; + ulint size; + mtr_t mtr; + + mtr_start(&mtr); + + mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); + + header = fsp_get_space_header(0, 0, &mtr); + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); + + mtr_commit(&mtr); + + return(size); +} + +/***********************************************************************//** +Tries to extend a single-table tablespace so that a page would fit in the +data file. +@return TRUE if success */ +static +ibool +fsp_try_extend_data_file_with_pages( +/*================================*/ + ulint space, /*!< in: space */ + ulint page_no, /*!< in: page number */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mtr */ +{ + ibool success; + ulint actual_size; + ulint size; + + ut_a(space != 0); + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + + ut_a(page_no >= size); + + success = fil_extend_space_to_desired_size(&actual_size, space, + page_no + 1); + /* actual_size now has the space size in pages; it may be less than + we wanted if we ran out of disk space */ + + mlog_write_ulint(header + FSP_SIZE, actual_size, MLOG_4BYTES, mtr); + + return(success); +} + +/***********************************************************************//** +Tries to extend the last data file of a tablespace if it is auto-extending. +@return FALSE if not auto-extending */ +static +ibool +fsp_try_extend_data_file( +/*=====================*/ + ulint* actual_increase,/*!< out: actual increase in pages, where + we measure the tablespace size from + what the header field says; it may be + the actual file size rounded down to + megabyte */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint size; + ulint zip_size; + ulint new_size; + ulint old_size; + ulint size_increase; + ulint actual_size; + ibool success; + + *actual_increase = 0; + + if (space == 0 && !srv_auto_extend_last_data_file) { + + /* We print the error message only once to avoid + spamming the error log. Note that we don't need + to reset the flag to FALSE as dealing with this + error requires server restart. */ + if (fsp_tbs_full_error_printed == FALSE) { + fprintf(stderr, + "InnoDB: Error: Data file(s) ran" + " out of space.\n" + "Please add another data file or" + " use \'autoextend\' for the last" + " data file.\n"); + fsp_tbs_full_error_printed = TRUE; + } + return(FALSE); + } + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(header + FSP_SPACE_FLAGS)); + + old_size = size; + + if (space == 0) { + if (!srv_last_file_size_max) { + size_increase = SRV_AUTO_EXTEND_INCREMENT; + } else { + if (srv_last_file_size_max + < srv_data_file_sizes[srv_n_data_files - 1]) { + + fprintf(stderr, + "InnoDB: Error: Last data file size" + " is %lu, max size allowed %lu\n", + (ulong) srv_data_file_sizes[ + srv_n_data_files - 1], + (ulong) srv_last_file_size_max); + } + + size_increase = srv_last_file_size_max + - srv_data_file_sizes[srv_n_data_files - 1]; + if (size_increase > SRV_AUTO_EXTEND_INCREMENT) { + size_increase = SRV_AUTO_EXTEND_INCREMENT; + } + } + } else { + /* We extend single-table tablespaces first one extent + at a time, but for bigger tablespaces more. It is not + enough to extend always by one extent, because some + extents are frag page extents. */ + ulint extent_size; /*!< one megabyte, in pages */ + + if (!zip_size) { + extent_size = FSP_EXTENT_SIZE; + } else { + extent_size = FSP_EXTENT_SIZE + * UNIV_PAGE_SIZE / zip_size; + } + + if (size < extent_size) { + /* Let us first extend the file to extent_size */ + success = fsp_try_extend_data_file_with_pages( + space, extent_size - 1, header, mtr); + if (!success) { + new_size = mtr_read_ulint(header + FSP_SIZE, + MLOG_4BYTES, mtr); + + *actual_increase = new_size - old_size; + + return(FALSE); + } + + size = extent_size; + } + + if (size < 32 * extent_size) { + size_increase = extent_size; + } else { + /* Below in fsp_fill_free_list() we assume + that we add at most FSP_FREE_ADD extents at + a time */ + size_increase = FSP_FREE_ADD * extent_size; + } + } + + if (size_increase == 0) { + + return(TRUE); + } + + success = fil_extend_space_to_desired_size(&actual_size, space, + size + size_increase); + /* We ignore any fragments of a full megabyte when storing the size + to the space header */ + + if (!zip_size) { + new_size = ut_calc_align_down(actual_size, + (1024 * 1024) / UNIV_PAGE_SIZE); + } else { + new_size = ut_calc_align_down(actual_size, + (1024 * 1024) / zip_size); + } + mlog_write_ulint(header + FSP_SIZE, new_size, MLOG_4BYTES, mtr); + + *actual_increase = new_size - old_size; + + return(TRUE); +} + +/**********************************************************************//** +Puts new extents to the free list if there are free extents above the free +limit. If an extent happens to contain an extent descriptor page, the extent +is put to the FSP_FREE_FRAG list with the page marked as used. */ +static +void +fsp_fill_free_list( +/*===============*/ + ibool init_space, /*!< in: TRUE if this is a single-table + tablespace and we are only initing + the tablespace's first extent + descriptor page and ibuf bitmap page; + then we do not allocate more extents */ + ulint space, /*!< in: space */ + fsp_header_t* header, /*!< in/out: space header */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint limit; + ulint size; + ulint zip_size; + xdes_t* descr; + ulint count = 0; + ulint frag_n_used; + ulint actual_increase; + ulint i; + mtr_t ibuf_mtr; + + ut_ad(header && mtr); + ut_ad(page_offset(header) == FSP_HEADER_OFFSET); + + /* Check if we can fill free list from above the free list limit */ + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, mtr); + + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + header)); + ut_a(ut_is_2pow(zip_size)); + ut_a(zip_size <= UNIV_PAGE_SIZE); + ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); + + if (space == 0 && srv_auto_extend_last_data_file + && size < limit + FSP_EXTENT_SIZE * FSP_FREE_ADD) { + + /* Try to increase the last data file size */ + fsp_try_extend_data_file(&actual_increase, space, header, mtr); + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + } + + if (space != 0 && !init_space + && size < limit + FSP_EXTENT_SIZE * FSP_FREE_ADD) { + + /* Try to increase the .ibd file size */ + fsp_try_extend_data_file(&actual_increase, space, header, mtr); + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + } + + i = limit; + + while ((init_space && i < 1) + || ((i + FSP_EXTENT_SIZE <= size) && (count < FSP_FREE_ADD))) { + + ibool init_xdes; + if (zip_size) { + init_xdes = ut_2pow_remainder(i, zip_size) == 0; + } else { + init_xdes = ut_2pow_remainder(i, UNIV_PAGE_SIZE) == 0; + } + + mlog_write_ulint(header + FSP_FREE_LIMIT, i + FSP_EXTENT_SIZE, + MLOG_4BYTES, mtr); + + /* Update the free limit info in the log system and make + a checkpoint */ + if (space == 0) { + ut_a(!zip_size); + log_fsp_current_free_limit_set_and_checkpoint( + (i + FSP_EXTENT_SIZE) + / ((1024 * 1024) / UNIV_PAGE_SIZE)); + } + + if (UNIV_UNLIKELY(init_xdes)) { + + buf_block_t* block; + + /* We are going to initialize a new descriptor page + and a new ibuf bitmap page: the prior contents of the + pages should be ignored. */ + + if (i > 0) { + block = buf_page_create( + space, i, zip_size, mtr); + buf_page_get(space, zip_size, i, + RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, + SYNC_FSP_PAGE); + + fsp_init_file_page(block, mtr); + mlog_write_ulint(buf_block_get_frame(block) + + FIL_PAGE_TYPE, + FIL_PAGE_TYPE_XDES, + MLOG_2BYTES, mtr); + } + + /* Initialize the ibuf bitmap page in a separate + mini-transaction because it is low in the latching + order, and we must be able to release its latch + before returning from the fsp routine */ + + mtr_start(&ibuf_mtr); + + block = buf_page_create(space, + i + FSP_IBUF_BITMAP_OFFSET, + zip_size, &ibuf_mtr); + buf_page_get(space, zip_size, + i + FSP_IBUF_BITMAP_OFFSET, + RW_X_LATCH, &ibuf_mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + fsp_init_file_page(block, &ibuf_mtr); + + ibuf_bitmap_page_init(block, &ibuf_mtr); + + mtr_commit(&ibuf_mtr); + } + + descr = xdes_get_descriptor_with_space_hdr(header, space, i, + mtr); + xdes_init(descr, mtr); + +#if UNIV_PAGE_SIZE % FSP_EXTENT_SIZE +# error "UNIV_PAGE_SIZE % FSP_EXTENT_SIZE != 0" +#endif +#if PAGE_ZIP_MIN_SIZE % FSP_EXTENT_SIZE +# error "PAGE_ZIP_MIN_SIZE % FSP_EXTENT_SIZE != 0" +#endif + + if (UNIV_UNLIKELY(init_xdes)) { + + /* The first page in the extent is a descriptor page + and the second is an ibuf bitmap page: mark them + used */ + + xdes_set_bit(descr, XDES_FREE_BIT, 0, FALSE, mtr); + xdes_set_bit(descr, XDES_FREE_BIT, + FSP_IBUF_BITMAP_OFFSET, FALSE, mtr); + xdes_set_state(descr, XDES_FREE_FRAG, mtr); + + flst_add_last(header + FSP_FREE_FRAG, + descr + XDES_FLST_NODE, mtr); + frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, + MLOG_4BYTES, mtr); + mlog_write_ulint(header + FSP_FRAG_N_USED, + frag_n_used + 2, MLOG_4BYTES, mtr); + } else { + flst_add_last(header + FSP_FREE, + descr + XDES_FLST_NODE, mtr); + count++; + } + + i += FSP_EXTENT_SIZE; + } +} + +/**********************************************************************//** +Allocates a new free extent. +@return extent descriptor, NULL if cannot be allocated */ +static +xdes_t* +fsp_alloc_free_extent( +/*==================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint hint, /*!< in: hint of which extent would be desirable: any + page offset in the extent goes; the hint must not + be > FSP_FREE_LIMIT */ + mtr_t* mtr) /*!< in: mtr */ +{ + fsp_header_t* header; + fil_addr_t first; + xdes_t* descr; + + ut_ad(mtr); + + header = fsp_get_space_header(space, zip_size, mtr); + + descr = xdes_get_descriptor_with_space_hdr(header, space, hint, mtr); + + if (descr && (xdes_get_state(descr, mtr) == XDES_FREE)) { + /* Ok, we can take this extent */ + } else { + /* Take the first extent in the free list */ + first = flst_get_first(header + FSP_FREE, mtr); + + if (fil_addr_is_null(first)) { + fsp_fill_free_list(FALSE, space, header, mtr); + + first = flst_get_first(header + FSP_FREE, mtr); + } + + if (fil_addr_is_null(first)) { + + return(NULL); /* No free extents left */ + } + + descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); + } + + flst_remove(header + FSP_FREE, descr + XDES_FLST_NODE, mtr); + + return(descr); +} + +/**********************************************************************//** +Allocates a single free page from a space. The page is marked as used. +@return the page offset, FIL_NULL if no page could be allocated */ +static +ulint +fsp_alloc_free_page( +/*================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint hint, /*!< in: hint of which page would be desirable */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fsp_header_t* header; + fil_addr_t first; + xdes_t* descr; + buf_block_t* block; + ulint free; + ulint frag_n_used; + ulint page_no; + ulint space_size; + ibool success; + + ut_ad(mtr); + + header = fsp_get_space_header(space, zip_size, mtr); + + /* Get the hinted descriptor */ + descr = xdes_get_descriptor_with_space_hdr(header, space, hint, mtr); + + if (descr && (xdes_get_state(descr, mtr) == XDES_FREE_FRAG)) { + /* Ok, we can take this extent */ + } else { + /* Else take the first extent in free_frag list */ + first = flst_get_first(header + FSP_FREE_FRAG, mtr); + + if (fil_addr_is_null(first)) { + /* There are no partially full fragments: allocate + a free extent and add it to the FREE_FRAG list. NOTE + that the allocation may have as a side-effect that an + extent containing a descriptor page is added to the + FREE_FRAG list. But we will allocate our page from the + the free extent anyway. */ + + descr = fsp_alloc_free_extent(space, zip_size, + hint, mtr); + + if (descr == NULL) { + /* No free space left */ + + return(FIL_NULL); + } + + xdes_set_state(descr, XDES_FREE_FRAG, mtr); + flst_add_last(header + FSP_FREE_FRAG, + descr + XDES_FLST_NODE, mtr); + } else { + descr = xdes_lst_get_descriptor(space, zip_size, + first, mtr); + } + + /* Reset the hint */ + hint = 0; + } + + /* Now we have in descr an extent with at least one free page. Look + for a free page in the extent. */ + + free = xdes_find_bit(descr, XDES_FREE_BIT, TRUE, + hint % FSP_EXTENT_SIZE, mtr); + if (free == ULINT_UNDEFINED) { + + ut_print_buf(stderr, ((byte*)descr) - 500, 1000); + putc('\n', stderr); + + ut_error; + } + + page_no = xdes_get_offset(descr) + free; + + space_size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); + + if (space_size <= page_no) { + /* It must be that we are extending a single-table tablespace + whose size is still < 64 pages */ + + ut_a(space != 0); + if (page_no >= FSP_EXTENT_SIZE) { + fprintf(stderr, + "InnoDB: Error: trying to extend a" + " single-table tablespace %lu\n" + "InnoDB: by single page(s) though the" + " space size %lu. Page no %lu.\n", + (ulong) space, (ulong) space_size, + (ulong) page_no); + return(FIL_NULL); + } + success = fsp_try_extend_data_file_with_pages(space, page_no, + header, mtr); + if (!success) { + /* No disk space left */ + return(FIL_NULL); + } + } + + xdes_set_bit(descr, XDES_FREE_BIT, free, FALSE, mtr); + + /* Update the FRAG_N_USED field */ + frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, + mtr); + frag_n_used++; + mlog_write_ulint(header + FSP_FRAG_N_USED, frag_n_used, MLOG_4BYTES, + mtr); + if (xdes_is_full(descr, mtr)) { + /* The fragment is full: move it to another list */ + flst_remove(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, + mtr); + xdes_set_state(descr, XDES_FULL_FRAG, mtr); + + flst_add_last(header + FSP_FULL_FRAG, descr + XDES_FLST_NODE, + mtr); + mlog_write_ulint(header + FSP_FRAG_N_USED, + frag_n_used - FSP_EXTENT_SIZE, MLOG_4BYTES, + mtr); + } + + /* Initialize the allocated page to the buffer pool, so that it can + be obtained immediately with buf_page_get without need for a disk + read. */ + + buf_page_create(space, page_no, zip_size, mtr); + + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + /* Prior contents of the page should be ignored */ + fsp_init_file_page(block, mtr); + + return(page_no); +} + +/**********************************************************************//** +Frees a single page of a space. The page is marked as free and clean. */ +static +void +fsp_free_page( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fsp_header_t* header; + xdes_t* descr; + ulint state; + ulint frag_n_used; + + ut_ad(mtr); + + /* fprintf(stderr, "Freeing page %lu in space %lu\n", page, space); */ + + header = fsp_get_space_header(space, zip_size, mtr); + + descr = xdes_get_descriptor_with_space_hdr(header, space, page, mtr); + + state = xdes_get_state(descr, mtr); + + if (state != XDES_FREE_FRAG && state != XDES_FULL_FRAG) { + fprintf(stderr, + "InnoDB: Error: File space extent descriptor" + " of page %lu has state %lu\n", + (ulong) page, + (ulong) state); + fputs("InnoDB: Dump of descriptor: ", stderr); + ut_print_buf(stderr, ((byte*)descr) - 50, 200); + putc('\n', stderr); + + if (state == XDES_FREE) { + /* We put here some fault tolerance: if the page + is already free, return without doing anything! */ + + return; + } + + ut_error; + } + + if (xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr)) { + fprintf(stderr, + "InnoDB: Error: File space extent descriptor" + " of page %lu says it is free\n" + "InnoDB: Dump of descriptor: ", (ulong) page); + ut_print_buf(stderr, ((byte*)descr) - 50, 200); + putc('\n', stderr); + + /* We put here some fault tolerance: if the page + is already free, return without doing anything! */ + + return; + } + + xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); + xdes_set_bit(descr, XDES_CLEAN_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); + + frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, + mtr); + if (state == XDES_FULL_FRAG) { + /* The fragment was full: move it to another list */ + flst_remove(header + FSP_FULL_FRAG, descr + XDES_FLST_NODE, + mtr); + xdes_set_state(descr, XDES_FREE_FRAG, mtr); + flst_add_last(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, + mtr); + mlog_write_ulint(header + FSP_FRAG_N_USED, + frag_n_used + FSP_EXTENT_SIZE - 1, + MLOG_4BYTES, mtr); + } else { + ut_a(frag_n_used > 0); + mlog_write_ulint(header + FSP_FRAG_N_USED, frag_n_used - 1, + MLOG_4BYTES, mtr); + } + + if (xdes_is_free(descr, mtr)) { + /* The extent has become free: move it to another list */ + flst_remove(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, + mtr); + fsp_free_extent(space, zip_size, page, mtr); + } +} + +/**********************************************************************//** +Returns an extent to the free list of a space. */ +static +void +fsp_free_extent( +/*============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset in the extent */ + mtr_t* mtr) /*!< in: mtr */ +{ + fsp_header_t* header; + xdes_t* descr; + + ut_ad(mtr); + + header = fsp_get_space_header(space, zip_size, mtr); + + descr = xdes_get_descriptor_with_space_hdr(header, space, page, mtr); + + if (xdes_get_state(descr, mtr) == XDES_FREE) { + + ut_print_buf(stderr, (byte*)descr - 500, 1000); + putc('\n', stderr); + + ut_error; + } + + xdes_init(descr, mtr); + + flst_add_last(header + FSP_FREE, descr + XDES_FLST_NODE, mtr); +} + +/**********************************************************************//** +Returns the nth inode slot on an inode page. +@return segment inode */ +UNIV_INLINE +fseg_inode_t* +fsp_seg_inode_page_get_nth_inode( +/*=============================*/ + page_t* page, /*!< in: segment inode page */ + ulint i, /*!< in: inode index on page */ + ulint zip_size __attribute__((unused)), + /*!< in: compressed page size, or 0 */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mini-transaction handle */ +{ + ut_ad(i < FSP_SEG_INODES_PER_PAGE(zip_size)); + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); + + return(page + FSEG_ARR_OFFSET + FSEG_INODE_SIZE * i); +} + +/**********************************************************************//** +Looks for a used segment inode on a segment inode page. +@return segment inode index, or ULINT_UNDEFINED if not found */ +static +ulint +fsp_seg_inode_page_find_used( +/*=========================*/ + page_t* page, /*!< in: segment inode page */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint i; + fseg_inode_t* inode; + + for (i = 0; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { + + inode = fsp_seg_inode_page_get_nth_inode( + page, i, zip_size, mtr); + + if (!ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) { + /* This is used */ + + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Looks for an unused segment inode on a segment inode page. +@return segment inode index, or ULINT_UNDEFINED if not found */ +static +ulint +fsp_seg_inode_page_find_free( +/*=========================*/ + page_t* page, /*!< in: segment inode page */ + ulint i, /*!< in: search forward starting from this index */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fseg_inode_t* inode; + + for (; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { + + inode = fsp_seg_inode_page_get_nth_inode( + page, i, zip_size, mtr); + + if (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) { + /* This is unused */ + + return(i); + } + + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Allocates a new file segment inode page. +@return TRUE if could be allocated */ +static +ibool +fsp_alloc_seg_inode_page( +/*=====================*/ + fsp_header_t* space_header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fseg_inode_t* inode; + buf_block_t* block; + page_t* page; + ulint page_no; + ulint space; + ulint zip_size; + ulint i; + + ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); + + space = page_get_space_id(page_align(space_header)); + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); + + page_no = fsp_alloc_free_page(space, zip_size, 0, mtr); + + if (page_no == FIL_NULL) { + + return(FALSE); + } + + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + block->check_index_page_at_flush = FALSE; + + page = buf_block_get_frame(block); + + mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_INODE, + MLOG_2BYTES, mtr); + + for (i = 0; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { + + inode = fsp_seg_inode_page_get_nth_inode(page, i, + zip_size, mtr); + + mlog_write_dulint(inode + FSEG_ID, ut_dulint_zero, mtr); + } + + flst_add_last(space_header + FSP_SEG_INODES_FREE, + page + FSEG_INODE_PAGE_NODE, mtr); + return(TRUE); +} + +/**********************************************************************//** +Allocates a new file segment inode. +@return segment inode, or NULL if not enough space */ +static +fseg_inode_t* +fsp_alloc_seg_inode( +/*================*/ + fsp_header_t* space_header, /*!< in: space header */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint page_no; + buf_block_t* block; + page_t* page; + fseg_inode_t* inode; + ibool success; + ulint zip_size; + ulint n; + + ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); + + if (flst_get_len(space_header + FSP_SEG_INODES_FREE, mtr) == 0) { + /* Allocate a new segment inode page */ + + success = fsp_alloc_seg_inode_page(space_header, mtr); + + if (!success) { + + return(NULL); + } + } + + page_no = flst_get_first(space_header + FSP_SEG_INODES_FREE, mtr).page; + + zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); + block = buf_page_get(page_get_space_id(page_align(space_header)), + zip_size, page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + page = buf_block_get_frame(block); + + n = fsp_seg_inode_page_find_free(page, 0, zip_size, mtr); + + ut_a(n != ULINT_UNDEFINED); + + inode = fsp_seg_inode_page_get_nth_inode(page, n, zip_size, mtr); + + if (ULINT_UNDEFINED == fsp_seg_inode_page_find_free(page, n + 1, + zip_size, mtr)) { + /* There are no other unused headers left on the page: move it + to another list */ + + flst_remove(space_header + FSP_SEG_INODES_FREE, + page + FSEG_INODE_PAGE_NODE, mtr); + + flst_add_last(space_header + FSP_SEG_INODES_FULL, + page + FSEG_INODE_PAGE_NODE, mtr); + } + + ut_ad(ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)) + || mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + return(inode); +} + +/**********************************************************************//** +Frees a file segment inode. */ +static +void +fsp_free_seg_inode( +/*===============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + page_t* page; + fsp_header_t* space_header; + + page = page_align(inode); + + space_header = fsp_get_space_header(space, zip_size, mtr); + + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + + if (ULINT_UNDEFINED + == fsp_seg_inode_page_find_free(page, 0, zip_size, mtr)) { + + /* Move the page to another list */ + + flst_remove(space_header + FSP_SEG_INODES_FULL, + page + FSEG_INODE_PAGE_NODE, mtr); + + flst_add_last(space_header + FSP_SEG_INODES_FREE, + page + FSEG_INODE_PAGE_NODE, mtr); + } + + mlog_write_dulint(inode + FSEG_ID, ut_dulint_zero, mtr); + mlog_write_ulint(inode + FSEG_MAGIC_N, 0xfa051ce3, MLOG_4BYTES, mtr); + + if (ULINT_UNDEFINED + == fsp_seg_inode_page_find_used(page, zip_size, mtr)) { + + /* There are no other used headers left on the page: free it */ + + flst_remove(space_header + FSP_SEG_INODES_FREE, + page + FSEG_INODE_PAGE_NODE, mtr); + + fsp_free_page(space, zip_size, page_get_page_no(page), mtr); + } +} + +/**********************************************************************//** +Returns the file segment inode, page x-latched. +@return segment inode, page x-latched; NULL if the inode is free */ +static +fseg_inode_t* +fseg_inode_try_get( +/*===============*/ + fseg_header_t* header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fil_addr_t inode_addr; + fseg_inode_t* inode; + + inode_addr.page = mach_read_from_4(header + FSEG_HDR_PAGE_NO); + inode_addr.boffset = mach_read_from_2(header + FSEG_HDR_OFFSET); + ut_ad(space == mach_read_from_4(header + FSEG_HDR_SPACE)); + + inode = fut_get_ptr(space, zip_size, inode_addr, RW_X_LATCH, mtr); + + if (UNIV_UNLIKELY + (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)))) { + + inode = NULL; + } else { + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + } + + return(inode); +} + +/**********************************************************************//** +Returns the file segment inode, page x-latched. +@return segment inode, page x-latched */ +static +fseg_inode_t* +fseg_inode_get( +/*===========*/ + fseg_header_t* header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fseg_inode_t* inode + = fseg_inode_try_get(header, space, zip_size, mtr); + ut_a(inode); + return(inode); +} + +/**********************************************************************//** +Gets the page number from the nth fragment page slot. +@return page number, FIL_NULL if not in use */ +UNIV_INLINE +ulint +fseg_get_nth_frag_page_no( +/*======================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint n, /*!< in: slot index */ + mtr_t* mtr __attribute__((unused))) /*!< in: mtr handle */ +{ + ut_ad(inode && mtr); + ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); + ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + return(mach_read_from_4(inode + FSEG_FRAG_ARR + + n * FSEG_FRAG_SLOT_SIZE)); +} + +/**********************************************************************//** +Sets the page number in the nth fragment page slot. */ +UNIV_INLINE +void +fseg_set_nth_frag_page_no( +/*======================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint n, /*!< in: slot index */ + ulint page_no,/*!< in: page number to set */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ut_ad(inode && mtr); + ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); + ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + + mlog_write_ulint(inode + FSEG_FRAG_ARR + n * FSEG_FRAG_SLOT_SIZE, + page_no, MLOG_4BYTES, mtr); +} + +/**********************************************************************//** +Finds a fragment page slot which is free. +@return slot index; ULINT_UNDEFINED if none found */ +static +ulint +fseg_find_free_frag_page_slot( +/*==========================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint i; + ulint page_no; + + ut_ad(inode && mtr); + + for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { + page_no = fseg_get_nth_frag_page_no(inode, i, mtr); + + if (page_no == FIL_NULL) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Finds a fragment page slot which is used and last in the array. +@return slot index; ULINT_UNDEFINED if none found */ +static +ulint +fseg_find_last_used_frag_page_slot( +/*===============================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint i; + ulint page_no; + + ut_ad(inode && mtr); + + for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { + page_no = fseg_get_nth_frag_page_no( + inode, FSEG_FRAG_ARR_N_SLOTS - i - 1, mtr); + + if (page_no != FIL_NULL) { + + return(FSEG_FRAG_ARR_N_SLOTS - i - 1); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Calculates reserved fragment page slots. +@return number of fragment pages */ +static +ulint +fseg_get_n_frag_pages( +/*==================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint i; + ulint count = 0; + + ut_ad(inode && mtr); + + for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { + if (FIL_NULL != fseg_get_nth_frag_page_no(inode, i, mtr)) { + count++; + } + } + + return(count); +} + +/**********************************************************************//** +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ +UNIV_INTERN +buf_block_t* +fseg_create_general( +/*================*/ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if + this is != 0, the page must belong to another segment, + if this is 0, a new page will be allocated and it + will belong to the created segment */ + ulint byte_offset, /*!< in: byte offset of the created segment header + on the page */ + ibool has_done_reservation, /*!< in: TRUE if the caller has already + done the reservation for the pages with + fsp_reserve_free_extents (at least 2 extents: one for + the inode and the other for the segment) then there is + no need to do the check for this individual + operation */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint flags; + ulint zip_size; + fsp_header_t* space_header; + fseg_inode_t* inode; + dulint seg_id; + buf_block_t* block = 0; /* remove warning */ + fseg_header_t* header = 0; /* remove warning */ + rw_lock_t* latch; + ibool success; + ulint n_reserved; + ulint i; + + ut_ad(mtr); + ut_ad(byte_offset + FSEG_HEADER_SIZE + <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + if (page != 0) { + block = buf_page_get(space, zip_size, page, RW_X_LATCH, mtr); + header = byte_offset + buf_block_get_frame(block); + } + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + if (rw_lock_get_x_lock_count(latch) == 1) { + /* This thread did not own the latch before this call: free + excess pages from the insert buffer free list */ + + if (space == IBUF_SPACE_ID) { + ibuf_free_excess_pages(); + } + } + + if (!has_done_reservation) { + success = fsp_reserve_free_extents(&n_reserved, space, 2, + FSP_NORMAL, mtr); + if (!success) { + return(NULL); + } + } + + space_header = fsp_get_space_header(space, zip_size, mtr); + + inode = fsp_alloc_seg_inode(space_header, mtr); + + if (inode == NULL) { + + goto funct_exit; + } + + /* Read the next segment id from space header and increment the + value in space header */ + + seg_id = mtr_read_dulint(space_header + FSP_SEG_ID, mtr); + + mlog_write_dulint(space_header + FSP_SEG_ID, ut_dulint_add(seg_id, 1), + mtr); + + mlog_write_dulint(inode + FSEG_ID, seg_id, mtr); + mlog_write_ulint(inode + FSEG_NOT_FULL_N_USED, 0, MLOG_4BYTES, mtr); + + flst_init(inode + FSEG_FREE, mtr); + flst_init(inode + FSEG_NOT_FULL, mtr); + flst_init(inode + FSEG_FULL, mtr); + + mlog_write_ulint(inode + FSEG_MAGIC_N, FSEG_MAGIC_N_VALUE, + MLOG_4BYTES, mtr); + for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { + fseg_set_nth_frag_page_no(inode, i, FIL_NULL, mtr); + } + + if (page == 0) { + page = fseg_alloc_free_page_low(space, zip_size, + inode, 0, FSP_UP, mtr); + + if (page == FIL_NULL) { + + fsp_free_seg_inode(space, zip_size, inode, mtr); + + goto funct_exit; + } + + block = buf_page_get(space, zip_size, page, RW_X_LATCH, mtr); + header = byte_offset + buf_block_get_frame(block); + mlog_write_ulint(header - byte_offset + FIL_PAGE_TYPE, + FIL_PAGE_TYPE_SYS, MLOG_2BYTES, mtr); + } + + mlog_write_ulint(header + FSEG_HDR_OFFSET, + page_offset(inode), MLOG_2BYTES, mtr); + + mlog_write_ulint(header + FSEG_HDR_PAGE_NO, + page_get_page_no(page_align(inode)), + MLOG_4BYTES, mtr); + + mlog_write_ulint(header + FSEG_HDR_SPACE, space, MLOG_4BYTES, mtr); + +funct_exit: + if (!has_done_reservation) { + + fil_space_release_free_extents(space, n_reserved); + } + + return(block); +} + +/**********************************************************************//** +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ +UNIV_INTERN +buf_block_t* +fseg_create( +/*========*/ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if + this is != 0, the page must belong to another segment, + if this is 0, a new page will be allocated and it + will belong to the created segment */ + ulint byte_offset, /*!< in: byte offset of the created segment header + on the page */ + mtr_t* mtr) /*!< in: mtr */ +{ + return(fseg_create_general(space, page, byte_offset, FALSE, mtr)); +} + +/**********************************************************************//** +Calculates the number of pages reserved by a segment, and how many pages are +currently used. +@return number of reserved pages */ +static +ulint +fseg_n_reserved_pages_low( +/*======================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint* used, /*!< out: number of pages used (not + more than reserved) */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint ret; + + ut_ad(inode && used && mtr); + ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + + *used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, MLOG_4BYTES, mtr) + + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FULL, mtr) + + fseg_get_n_frag_pages(inode, mtr); + + ret = fseg_get_n_frag_pages(inode, mtr) + + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FREE, mtr) + + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_NOT_FULL, mtr) + + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FULL, mtr); + + return(ret); +} + +/**********************************************************************//** +Calculates the number of pages reserved by a segment, and how many pages are +currently used. +@return number of reserved pages */ +UNIV_INTERN +ulint +fseg_n_reserved_pages( +/*==================*/ + fseg_header_t* header, /*!< in: segment header */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint ret; + fseg_inode_t* inode; + ulint space; + ulint flags; + ulint zip_size; + rw_lock_t* latch; + + space = page_get_space_id(page_align(header)); + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + inode = fseg_inode_get(header, space, zip_size, mtr); + + ret = fseg_n_reserved_pages_low(inode, used, mtr); + + return(ret); +} + +/*********************************************************************//** +Tries to fill the free list of a segment with consecutive free extents. +This happens if the segment is big enough to allow extents in the free list, +the free list is empty, and the extents can be allocated consecutively from +the hint onward. */ +static +void +fseg_fill_free_list( +/*================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint hint, /*!< in: hint which extent would be good as + the first extent */ + mtr_t* mtr) /*!< in: mtr */ +{ + xdes_t* descr; + ulint i; + dulint seg_id; + ulint reserved; + ulint used; + + ut_ad(inode && mtr); + ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + + reserved = fseg_n_reserved_pages_low(inode, &used, mtr); + + if (reserved < FSEG_FREE_LIST_LIMIT * FSP_EXTENT_SIZE) { + + /* The segment is too small to allow extents in free list */ + + return; + } + + if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { + /* Free list is not empty */ + + return; + } + + for (i = 0; i < FSEG_FREE_LIST_MAX_LEN; i++) { + descr = xdes_get_descriptor(space, zip_size, hint, mtr); + + if ((descr == NULL) + || (XDES_FREE != xdes_get_state(descr, mtr))) { + + /* We cannot allocate the desired extent: stop */ + + return; + } + + descr = fsp_alloc_free_extent(space, zip_size, hint, mtr); + + xdes_set_state(descr, XDES_FSEG, mtr); + + seg_id = mtr_read_dulint(inode + FSEG_ID, mtr); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + mlog_write_dulint(descr + XDES_ID, seg_id, mtr); + + flst_add_last(inode + FSEG_FREE, descr + XDES_FLST_NODE, mtr); + hint += FSP_EXTENT_SIZE; + } +} + +/*********************************************************************//** +Allocates a free extent for the segment: looks first in the free list of the +segment, then tries to allocate from the space free list. NOTE that the extent +returned still resides in the segment free list, it is not yet taken off it! +@return allocated extent, still placed in the segment free list, NULL +if could not be allocated */ +static +xdes_t* +fseg_alloc_free_extent( +/*===================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr */ +{ + xdes_t* descr; + dulint seg_id; + fil_addr_t first; + + ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + + if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { + /* Segment free list is not empty, allocate from it */ + + first = flst_get_first(inode + FSEG_FREE, mtr); + + descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); + } else { + /* Segment free list was empty, allocate from space */ + descr = fsp_alloc_free_extent(space, zip_size, 0, mtr); + + if (descr == NULL) { + + return(NULL); + } + + seg_id = mtr_read_dulint(inode + FSEG_ID, mtr); + + xdes_set_state(descr, XDES_FSEG, mtr); + mlog_write_dulint(descr + XDES_ID, seg_id, mtr); + flst_add_last(inode + FSEG_FREE, descr + XDES_FLST_NODE, mtr); + + /* Try to fill the segment free list */ + fseg_fill_free_list(inode, space, zip_size, + xdes_get_offset(descr) + FSP_EXTENT_SIZE, + mtr); + } + + return(descr); +} + +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize file space +fragmentation. +@return the allocated page number, FIL_NULL if no page could be allocated */ +static +ulint +fseg_alloc_free_page_low( +/*=====================*/ + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fsp_header_t* space_header; + ulint space_size; + dulint seg_id; + ulint used; + ulint reserved; + xdes_t* descr; /*!< extent of the hinted page */ + ulint ret_page; /*!< the allocated page offset, FIL_NULL + if could not be allocated */ + xdes_t* ret_descr; /*!< the extent of the allocated page */ + ibool frag_page_allocated = FALSE; + ibool success; + ulint n; + + ut_ad(mtr); + ut_ad((direction >= FSP_UP) && (direction <= FSP_NO_DIR)); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr); + + ut_ad(!ut_dulint_is_zero(seg_id)); + + reserved = fseg_n_reserved_pages_low(seg_inode, &used, mtr); + + space_header = fsp_get_space_header(space, zip_size, mtr); + + descr = xdes_get_descriptor_with_space_hdr(space_header, space, + hint, mtr); + if (descr == NULL) { + /* Hint outside space or too high above free limit: reset + hint */ + hint = 0; + descr = xdes_get_descriptor(space, zip_size, hint, mtr); + } + + /* In the big if-else below we look for ret_page and ret_descr */ + /*-------------------------------------------------------------*/ + if ((xdes_get_state(descr, mtr) == XDES_FSEG) + && (0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, + mtr), seg_id)) + && (xdes_get_bit(descr, XDES_FREE_BIT, + hint % FSP_EXTENT_SIZE, mtr) == TRUE)) { + + /* 1. We can take the hinted page + =================================*/ + ret_descr = descr; + ret_page = hint; + /*-----------------------------------------------------------*/ + } else if ((xdes_get_state(descr, mtr) == XDES_FREE) + && ((reserved - used) < reserved / FSEG_FILLFACTOR) + && (used >= FSEG_FRAG_LIMIT)) { + + /* 2. We allocate the free extent from space and can take + ========================================================= + the hinted page + ===============*/ + ret_descr = fsp_alloc_free_extent(space, zip_size, hint, mtr); + + ut_a(ret_descr == descr); + + xdes_set_state(ret_descr, XDES_FSEG, mtr); + mlog_write_dulint(ret_descr + XDES_ID, seg_id, mtr); + flst_add_last(seg_inode + FSEG_FREE, + ret_descr + XDES_FLST_NODE, mtr); + + /* Try to fill the segment free list */ + fseg_fill_free_list(seg_inode, space, zip_size, + hint + FSP_EXTENT_SIZE, mtr); + ret_page = hint; + /*-----------------------------------------------------------*/ + } else if ((direction != FSP_NO_DIR) + && ((reserved - used) < reserved / FSEG_FILLFACTOR) + && (used >= FSEG_FRAG_LIMIT) + && (!!(ret_descr + = fseg_alloc_free_extent(seg_inode, + space, zip_size, mtr)))) { + + /* 3. We take any free extent (which was already assigned above + =============================================================== + in the if-condition to ret_descr) and take the lowest or + ======================================================== + highest page in it, depending on the direction + ==============================================*/ + ret_page = xdes_get_offset(ret_descr); + + if (direction == FSP_DOWN) { + ret_page += FSP_EXTENT_SIZE - 1; + } + /*-----------------------------------------------------------*/ + } else if ((xdes_get_state(descr, mtr) == XDES_FSEG) + && (0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, + mtr), seg_id)) + && (!xdes_is_full(descr, mtr))) { + + /* 4. We can take the page from the same extent as the + ====================================================== + hinted page (and the extent already belongs to the + ================================================== + segment) + ========*/ + ret_descr = descr; + ret_page = xdes_get_offset(ret_descr) + + xdes_find_bit(ret_descr, XDES_FREE_BIT, TRUE, + hint % FSP_EXTENT_SIZE, mtr); + /*-----------------------------------------------------------*/ + } else if (reserved - used > 0) { + /* 5. We take any unused page from the segment + ==============================================*/ + fil_addr_t first; + + if (flst_get_len(seg_inode + FSEG_NOT_FULL, mtr) > 0) { + first = flst_get_first(seg_inode + FSEG_NOT_FULL, + mtr); + } else if (flst_get_len(seg_inode + FSEG_FREE, mtr) > 0) { + first = flst_get_first(seg_inode + FSEG_FREE, mtr); + } else { + ut_error; + return(FIL_NULL); + } + + ret_descr = xdes_lst_get_descriptor(space, zip_size, + first, mtr); + ret_page = xdes_get_offset(ret_descr) + + xdes_find_bit(ret_descr, XDES_FREE_BIT, TRUE, + 0, mtr); + /*-----------------------------------------------------------*/ + } else if (used < FSEG_FRAG_LIMIT) { + /* 6. We allocate an individual page from the space + ===================================================*/ + ret_page = fsp_alloc_free_page(space, zip_size, hint, mtr); + ret_descr = NULL; + + frag_page_allocated = TRUE; + + if (ret_page != FIL_NULL) { + /* Put the page in the fragment page array of the + segment */ + n = fseg_find_free_frag_page_slot(seg_inode, mtr); + ut_a(n != FIL_NULL); + + fseg_set_nth_frag_page_no(seg_inode, n, ret_page, + mtr); + } + /*-----------------------------------------------------------*/ + } else { + /* 7. We allocate a new extent and take its first page + ======================================================*/ + ret_descr = fseg_alloc_free_extent(seg_inode, + space, zip_size, mtr); + + if (ret_descr == NULL) { + ret_page = FIL_NULL; + } else { + ret_page = xdes_get_offset(ret_descr); + } + } + + if (ret_page == FIL_NULL) { + /* Page could not be allocated */ + + return(FIL_NULL); + } + + if (space != 0) { + space_size = fil_space_get_size(space); + + if (space_size <= ret_page) { + /* It must be that we are extending a single-table + tablespace whose size is still < 64 pages */ + + if (ret_page >= FSP_EXTENT_SIZE) { + fprintf(stderr, + "InnoDB: Error (2): trying to extend" + " a single-table tablespace %lu\n" + "InnoDB: by single page(s) though" + " the space size %lu. Page no %lu.\n", + (ulong) space, (ulong) space_size, + (ulong) ret_page); + return(FIL_NULL); + } + + success = fsp_try_extend_data_file_with_pages( + space, ret_page, space_header, mtr); + if (!success) { + /* No disk space left */ + return(FIL_NULL); + } + } + } + + if (!frag_page_allocated) { + /* Initialize the allocated page to buffer pool, so that it + can be obtained immediately with buf_page_get without need + for a disk read */ + buf_block_t* block; + ulint zip_size = dict_table_flags_to_zip_size( + mach_read_from_4(FSP_SPACE_FLAGS + space_header)); + + block = buf_page_create(space, ret_page, zip_size, mtr); + buf_block_dbg_add_level(block, SYNC_FSP_PAGE); + + if (UNIV_UNLIKELY(block != buf_page_get(space, zip_size, + ret_page, RW_X_LATCH, + mtr))) { + ut_error; + } + + /* The prior contents of the page should be ignored */ + fsp_init_file_page(block, mtr); + + /* At this point we know the extent and the page offset. + The extent is still in the appropriate list (FSEG_NOT_FULL + or FSEG_FREE), and the page is not yet marked as used. */ + + ut_ad(xdes_get_descriptor(space, zip_size, ret_page, mtr) + == ret_descr); + ut_ad(xdes_get_bit(ret_descr, XDES_FREE_BIT, + ret_page % FSP_EXTENT_SIZE, mtr) == TRUE); + + fseg_mark_page_used(seg_inode, space, zip_size, ret_page, mtr); + } + + buf_reset_check_index_page_at_flush(space, ret_page); + + return(ret_page); +} + +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize file space +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ +UNIV_INTERN +ulint +fseg_alloc_free_page_general( +/*=========================*/ + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + ibool has_done_reservation, /*!< in: TRUE if the caller has + already done the reservation for the page + with fsp_reserve_free_extents, then there + is no need to do the check for this individual + page */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + fseg_inode_t* inode; + ulint space; + ulint flags; + ulint zip_size; + rw_lock_t* latch; + ibool success; + ulint page_no; + ulint n_reserved; + + space = page_get_space_id(page_align(seg_header)); + + latch = fil_space_get_latch(space, &flags); + + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + if (rw_lock_get_x_lock_count(latch) == 1) { + /* This thread did not own the latch before this call: free + excess pages from the insert buffer free list */ + + if (space == IBUF_SPACE_ID) { + ibuf_free_excess_pages(); + } + } + + inode = fseg_inode_get(seg_header, space, zip_size, mtr); + + if (!has_done_reservation) { + success = fsp_reserve_free_extents(&n_reserved, space, 2, + FSP_NORMAL, mtr); + if (!success) { + return(FIL_NULL); + } + } + + page_no = fseg_alloc_free_page_low(space, zip_size, + inode, hint, direction, mtr); + if (!has_done_reservation) { + fil_space_release_free_extents(space, n_reserved); + } + + return(page_no); +} + +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize file space +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ +UNIV_INTERN +ulint +fseg_alloc_free_page( +/*=================*/ + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + return(fseg_alloc_free_page_general(seg_header, hint, direction, + FALSE, mtr)); +} + +/**********************************************************************//** +Checks that we have at least 2 frag pages free in the first extent of a +single-table tablespace, and they are also physically initialized to the data +file. That is we have already extended the data file so that those pages are +inside the data file. If not, this function extends the tablespace with +pages. +@return TRUE if there were >= 3 free pages, or we were able to extend */ +static +ibool +fsp_reserve_free_pages( +/*===================*/ + ulint space, /*!< in: space id, must be != 0 */ + fsp_header_t* space_header, /*!< in: header of that space, + x-latched */ + ulint size, /*!< in: size of the tablespace in pages, + must be < FSP_EXTENT_SIZE / 2 */ + mtr_t* mtr) /*!< in: mtr */ +{ + xdes_t* descr; + ulint n_used; + + ut_a(space != 0); + ut_a(size < FSP_EXTENT_SIZE / 2); + + descr = xdes_get_descriptor_with_space_hdr(space_header, space, 0, + mtr); + n_used = xdes_get_n_used(descr, mtr); + + ut_a(n_used <= size); + + if (size >= n_used + 2) { + + return(TRUE); + } + + return(fsp_try_extend_data_file_with_pages(space, n_used + 1, + space_header, mtr)); +} + +/**********************************************************************//** +Reserves free pages from a tablespace. All mini-transactions which may +use several pages from the tablespace should call this function beforehand +and reserve enough free extents so that they certainly will be able +to do their operation, like a B-tree page split, fully. Reservations +must be released with function fil_space_release_free_extents! + +The alloc_type below has the following meaning: FSP_NORMAL means an +operation which will probably result in more space usage, like an +insert in a B-tree; FSP_UNDO means allocation to undo logs: if we are +deleting rows, then this allocation will in the long run result in +less space usage (after a purge); FSP_CLEANING means allocation done +in a physical record delete (like in a purge) or other cleaning operation +which will result in less space usage in the long run. We prefer the latter +two types of allocation: when space is scarce, FSP_NORMAL allocations +will not succeed, but the latter two allocations will succeed, if possible. +The purpose is to avoid dead end where the database is full but the +user cannot free any space because these freeing operations temporarily +reserve some space. + +Single-table tablespaces whose size is < 32 pages are a special case. In this +function we would liberally reserve several 64 page extents for every page +split or merge in a B-tree. But we do not want to waste disk space if the table +only occupies < 32 pages. That is why we apply different rules in that special +case, just ensuring that there are 3 free pages available. +@return TRUE if we were able to make the reservation */ +UNIV_INTERN +ibool +fsp_reserve_free_extents( +/*=====================*/ + ulint* n_reserved,/*!< out: number of extents actually reserved; if we + return TRUE and the tablespace size is < 64 pages, + then this can be 0, otherwise it is n_ext */ + ulint space, /*!< in: space id */ + ulint n_ext, /*!< in: number of extents to reserve */ + ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ + mtr_t* mtr) /*!< in: mtr */ +{ + fsp_header_t* space_header; + rw_lock_t* latch; + ulint n_free_list_ext; + ulint free_limit; + ulint size; + ulint flags; + ulint zip_size; + ulint n_free; + ulint n_free_up; + ulint reserve; + ibool success; + ulint n_pages_added; + + ut_ad(mtr); + *n_reserved = n_ext; + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + space_header = fsp_get_space_header(space, zip_size, mtr); +try_again: + size = mtr_read_ulint(space_header + FSP_SIZE, MLOG_4BYTES, mtr); + + if (size < FSP_EXTENT_SIZE / 2) { + /* Use different rules for small single-table tablespaces */ + *n_reserved = 0; + return(fsp_reserve_free_pages(space, space_header, size, mtr)); + } + + n_free_list_ext = flst_get_len(space_header + FSP_FREE, mtr); + + free_limit = mtr_read_ulint(space_header + FSP_FREE_LIMIT, + MLOG_4BYTES, mtr); + + /* Below we play safe when counting free extents above the free limit: + some of them will contain extent descriptor pages, and therefore + will not be free extents */ + + n_free_up = (size - free_limit) / FSP_EXTENT_SIZE; + + if (n_free_up > 0) { + n_free_up--; + if (!zip_size) { + n_free_up -= n_free_up + / (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE); + } else { + n_free_up -= n_free_up + / (zip_size / FSP_EXTENT_SIZE); + } + } + + n_free = n_free_list_ext + n_free_up; + + if (alloc_type == FSP_NORMAL) { + /* We reserve 1 extent + 0.5 % of the space size to undo logs + and 1 extent + 0.5 % to cleaning operations; NOTE: this source + code is duplicated in the function below! */ + + reserve = 2 + ((size / FSP_EXTENT_SIZE) * 2) / 200; + + if (n_free <= reserve + n_ext) { + + goto try_to_extend; + } + } else if (alloc_type == FSP_UNDO) { + /* We reserve 0.5 % of the space size to cleaning operations */ + + reserve = 1 + ((size / FSP_EXTENT_SIZE) * 1) / 200; + + if (n_free <= reserve + n_ext) { + + goto try_to_extend; + } + } else { + ut_a(alloc_type == FSP_CLEANING); + } + + success = fil_space_reserve_free_extents(space, n_free, n_ext); + + if (success) { + return(TRUE); + } +try_to_extend: + success = fsp_try_extend_data_file(&n_pages_added, space, + space_header, mtr); + if (success && n_pages_added > 0) { + + goto try_again; + } + + return(FALSE); +} + +/**********************************************************************//** +This function should be used to get information on how much we still +will be able to insert new data to the database without running out the +tablespace. Only free extents are taken into account and we also subtract +the safety margin required by the above function fsp_reserve_free_extents. +@return available space in kB */ +UNIV_INTERN +ullint +fsp_get_available_space_in_free_extents( +/*====================================*/ + ulint space) /*!< in: space id */ +{ + fsp_header_t* space_header; + ulint n_free_list_ext; + ulint free_limit; + ulint size; + ulint flags; + ulint zip_size; + ulint n_free; + ulint n_free_up; + ulint reserve; + rw_lock_t* latch; + mtr_t mtr; + + ut_ad(!mutex_own(&kernel_mutex)); + + mtr_start(&mtr); + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + mtr_x_lock(latch, &mtr); + + space_header = fsp_get_space_header(space, zip_size, &mtr); + + size = mtr_read_ulint(space_header + FSP_SIZE, MLOG_4BYTES, &mtr); + + n_free_list_ext = flst_get_len(space_header + FSP_FREE, &mtr); + + free_limit = mtr_read_ulint(space_header + FSP_FREE_LIMIT, + MLOG_4BYTES, &mtr); + mtr_commit(&mtr); + + if (size < FSP_EXTENT_SIZE) { + ut_a(space != 0); /* This must be a single-table + tablespace */ + + return(0); /* TODO: count free frag pages and + return a value based on that */ + } + + /* Below we play safe when counting free extents above the free limit: + some of them will contain extent descriptor pages, and therefore + will not be free extents */ + + n_free_up = (size - free_limit) / FSP_EXTENT_SIZE; + + if (n_free_up > 0) { + n_free_up--; + if (!zip_size) { + n_free_up -= n_free_up + / (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE); + } else { + n_free_up -= n_free_up + / (zip_size / FSP_EXTENT_SIZE); + } + } + + n_free = n_free_list_ext + n_free_up; + + /* We reserve 1 extent + 0.5 % of the space size to undo logs + and 1 extent + 0.5 % to cleaning operations; NOTE: this source + code is duplicated in the function above! */ + + reserve = 2 + ((size / FSP_EXTENT_SIZE) * 2) / 200; + + if (reserve > n_free) { + return(0); + } + + if (!zip_size) { + return((ullint) (n_free - reserve) + * FSP_EXTENT_SIZE + * (UNIV_PAGE_SIZE / 1024)); + } else { + return((ullint) (n_free - reserve) + * FSP_EXTENT_SIZE + * (zip_size / 1024)); + } +} + +/********************************************************************//** +Marks a page used. The page must reside within the extents of the given +segment. */ +static +void +fseg_mark_page_used( +/*================*/ + fseg_inode_t* seg_inode,/*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr */ +{ + xdes_t* descr; + ulint not_full_n_used; + + ut_ad(seg_inode && mtr); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + + descr = xdes_get_descriptor(space, zip_size, page, mtr); + + ut_ad(mtr_read_ulint(seg_inode + FSEG_ID, MLOG_4BYTES, mtr) + == mtr_read_ulint(descr + XDES_ID, MLOG_4BYTES, mtr)); + + if (xdes_is_free(descr, mtr)) { + /* We move the extent from the free list to the + NOT_FULL list */ + flst_remove(seg_inode + FSEG_FREE, descr + XDES_FLST_NODE, + mtr); + flst_add_last(seg_inode + FSEG_NOT_FULL, + descr + XDES_FLST_NODE, mtr); + } + + ut_ad(xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr) + == TRUE); + /* We mark the page as used */ + xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, FALSE, mtr); + + not_full_n_used = mtr_read_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + MLOG_4BYTES, mtr); + not_full_n_used++; + mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, not_full_n_used, + MLOG_4BYTES, mtr); + if (xdes_is_full(descr, mtr)) { + /* We move the extent from the NOT_FULL list to the + FULL list */ + flst_remove(seg_inode + FSEG_NOT_FULL, + descr + XDES_FLST_NODE, mtr); + flst_add_last(seg_inode + FSEG_FULL, + descr + XDES_FLST_NODE, mtr); + + mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + not_full_n_used - FSP_EXTENT_SIZE, + MLOG_4BYTES, mtr); + } +} + +/**********************************************************************//** +Frees a single page of a segment. */ +static +void +fseg_free_page_low( +/*===============*/ + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + xdes_t* descr; + ulint not_full_n_used; + ulint state; + dulint descr_id; + dulint seg_id; + ulint i; + + ut_ad(seg_inode && mtr); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); + + /* Drop search system page hash index if the page is found in + the pool and is hashed */ + + btr_search_drop_page_hash_when_freed(space, zip_size, page); + + descr = xdes_get_descriptor(space, zip_size, page, mtr); + + ut_a(descr); + if (xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr)) { + fputs("InnoDB: Dump of the tablespace extent descriptor: ", + stderr); + ut_print_buf(stderr, descr, 40); + + fprintf(stderr, "\n" + "InnoDB: Serious error! InnoDB is trying to" + " free page %lu\n" + "InnoDB: though it is already marked as free" + " in the tablespace!\n" + "InnoDB: The tablespace free space info is corrupt.\n" + "InnoDB: You may need to dump your" + " InnoDB tables and recreate the whole\n" + "InnoDB: database!\n", (ulong) page); +crash: + fputs("InnoDB: Please refer to\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" + "InnoDB: about forcing recovery.\n", stderr); + ut_error; + } + + state = xdes_get_state(descr, mtr); + + if (state != XDES_FSEG) { + /* The page is in the fragment pages of the segment */ + + for (i = 0;; i++) { + if (fseg_get_nth_frag_page_no(seg_inode, i, mtr) + == page) { + + fseg_set_nth_frag_page_no(seg_inode, i, + FIL_NULL, mtr); + break; + } + } + + fsp_free_page(space, zip_size, page, mtr); + + return; + } + + /* If we get here, the page is in some extent of the segment */ + + descr_id = mtr_read_dulint(descr + XDES_ID, mtr); + seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr); +#if 0 + fprintf(stderr, + "InnoDB: InnoDB is freeing space %lu page %lu,\n" + "InnoDB: which belongs to descr seg %lu %lu\n" + "InnoDB: segment %lu %lu.\n", + (ulong) space, (ulong) page, + (ulong) ut_dulint_get_high(descr_id), + (ulong) ut_dulint_get_low(descr_id), + (ulong) ut_dulint_get_high(seg_id), + (ulong) ut_dulint_get_low(seg_id)); +#endif /* 0 */ + if (0 != ut_dulint_cmp(descr_id, seg_id)) { + fputs("InnoDB: Dump of the tablespace extent descriptor: ", + stderr); + ut_print_buf(stderr, descr, 40); + fputs("\nInnoDB: Dump of the segment inode: ", stderr); + ut_print_buf(stderr, seg_inode, 40); + putc('\n', stderr); + + fprintf(stderr, + "InnoDB: Serious error: InnoDB is trying to" + " free space %lu page %lu,\n" + "InnoDB: which does not belong to" + " segment %lu %lu but belongs\n" + "InnoDB: to segment %lu %lu.\n", + (ulong) space, (ulong) page, + (ulong) ut_dulint_get_high(descr_id), + (ulong) ut_dulint_get_low(descr_id), + (ulong) ut_dulint_get_high(seg_id), + (ulong) ut_dulint_get_low(seg_id)); + goto crash; + } + + not_full_n_used = mtr_read_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + MLOG_4BYTES, mtr); + if (xdes_is_full(descr, mtr)) { + /* The fragment is full: move it to another list */ + flst_remove(seg_inode + FSEG_FULL, + descr + XDES_FLST_NODE, mtr); + flst_add_last(seg_inode + FSEG_NOT_FULL, + descr + XDES_FLST_NODE, mtr); + mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + not_full_n_used + FSP_EXTENT_SIZE - 1, + MLOG_4BYTES, mtr); + } else { + ut_a(not_full_n_used > 0); + mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + not_full_n_used - 1, MLOG_4BYTES, mtr); + } + + xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); + xdes_set_bit(descr, XDES_CLEAN_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); + + if (xdes_is_free(descr, mtr)) { + /* The extent has become free: free it to space */ + flst_remove(seg_inode + FSEG_NOT_FULL, + descr + XDES_FLST_NODE, mtr); + fsp_free_extent(space, zip_size, page, mtr); + } +} + +/**********************************************************************//** +Frees a single page of a segment. */ +UNIV_INTERN +void +fseg_free_page( +/*===========*/ + fseg_header_t* seg_header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page offset */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint flags; + ulint zip_size; + fseg_inode_t* seg_inode; + rw_lock_t* latch; + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + seg_inode = fseg_inode_get(seg_header, space, zip_size, mtr); + + fseg_free_page_low(seg_inode, space, zip_size, page, mtr); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + buf_page_set_file_page_was_freed(space, page); +#endif +} + +/**********************************************************************//** +Frees an extent of a segment to the space free list. */ +static +void +fseg_free_extent( +/*=============*/ + fseg_inode_t* seg_inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page, /*!< in: a page in the extent */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + ulint first_page_in_extent; + xdes_t* descr; + ulint not_full_n_used; + ulint descr_n_used; + ulint i; + + ut_ad(seg_inode && mtr); + + descr = xdes_get_descriptor(space, zip_size, page, mtr); + + ut_a(xdes_get_state(descr, mtr) == XDES_FSEG); + ut_a(0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, mtr), + mtr_read_dulint(seg_inode + FSEG_ID, mtr))); + ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) + == FSEG_MAGIC_N_VALUE); + + first_page_in_extent = page - (page % FSP_EXTENT_SIZE); + + for (i = 0; i < FSP_EXTENT_SIZE; i++) { + if (FALSE == xdes_get_bit(descr, XDES_FREE_BIT, i, mtr)) { + + /* Drop search system page hash index if the page is + found in the pool and is hashed */ + + btr_search_drop_page_hash_when_freed( + space, zip_size, first_page_in_extent + i); + } + } + + if (xdes_is_full(descr, mtr)) { + flst_remove(seg_inode + FSEG_FULL, + descr + XDES_FLST_NODE, mtr); + } else if (xdes_is_free(descr, mtr)) { + flst_remove(seg_inode + FSEG_FREE, + descr + XDES_FLST_NODE, mtr); + } else { + flst_remove(seg_inode + FSEG_NOT_FULL, + descr + XDES_FLST_NODE, mtr); + + not_full_n_used = mtr_read_ulint( + seg_inode + FSEG_NOT_FULL_N_USED, MLOG_4BYTES, mtr); + + descr_n_used = xdes_get_n_used(descr, mtr); + ut_a(not_full_n_used >= descr_n_used); + mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, + not_full_n_used - descr_n_used, + MLOG_4BYTES, mtr); + } + + fsp_free_extent(space, zip_size, page, mtr); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + for (i = 0; i < FSP_EXTENT_SIZE; i++) { + + buf_page_set_file_page_was_freed(space, + first_page_in_extent + i); + } +#endif +} + +/**********************************************************************//** +Frees part of a segment. This function can be used to free a segment by +repeatedly calling this function in different mini-transactions. Doing +the freeing in a single mini-transaction might result in too big a +mini-transaction. +@return TRUE if freeing completed */ +UNIV_INTERN +ibool +fseg_free_step( +/*===========*/ + fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header + resides on the first page of the frag list + of the segment, this pointer becomes obsolete + after the last freeing step */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint n; + ulint page; + xdes_t* descr; + fseg_inode_t* inode; + ulint space; + ulint flags; + ulint zip_size; + ulint header_page; + rw_lock_t* latch; + + space = page_get_space_id(page_align(header)); + header_page = page_get_page_no(page_align(header)); + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + descr = xdes_get_descriptor(space, zip_size, header_page, mtr); + + /* Check that the header resides on a page which has not been + freed yet */ + + ut_a(descr); + ut_a(xdes_get_bit(descr, XDES_FREE_BIT, + header_page % FSP_EXTENT_SIZE, mtr) == FALSE); + inode = fseg_inode_try_get(header, space, zip_size, mtr); + + if (UNIV_UNLIKELY(inode == NULL)) { + fprintf(stderr, "double free of inode from %u:%u\n", + (unsigned) space, (unsigned) header_page); + return(TRUE); + } + + descr = fseg_get_first_extent(inode, space, zip_size, mtr); + + if (descr != NULL) { + /* Free the extent held by the segment */ + page = xdes_get_offset(descr); + + fseg_free_extent(inode, space, zip_size, page, mtr); + + return(FALSE); + } + + /* Free a frag page */ + n = fseg_find_last_used_frag_page_slot(inode, mtr); + + if (n == ULINT_UNDEFINED) { + /* Freeing completed: free the segment inode */ + fsp_free_seg_inode(space, zip_size, inode, mtr); + + return(TRUE); + } + + fseg_free_page_low(inode, space, zip_size, + fseg_get_nth_frag_page_no(inode, n, mtr), mtr); + + n = fseg_find_last_used_frag_page_slot(inode, mtr); + + if (n == ULINT_UNDEFINED) { + /* Freeing completed: free the segment inode */ + fsp_free_seg_inode(space, zip_size, inode, mtr); + + return(TRUE); + } + + return(FALSE); +} + +/**********************************************************************//** +Frees part of a segment. Differs from fseg_free_step because this function +leaves the header page unfreed. +@return TRUE if freeing completed, except the header page */ +UNIV_INTERN +ibool +fseg_free_step_not_header( +/*======================*/ + fseg_header_t* header, /*!< in: segment header which must reside on + the first fragment page of the segment */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint n; + ulint page; + xdes_t* descr; + fseg_inode_t* inode; + ulint space; + ulint flags; + ulint zip_size; + ulint page_no; + rw_lock_t* latch; + + space = page_get_space_id(page_align(header)); + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + ut_ad(!mutex_own(&kernel_mutex) + || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); + + mtr_x_lock(latch, mtr); + + inode = fseg_inode_get(header, space, zip_size, mtr); + + descr = fseg_get_first_extent(inode, space, zip_size, mtr); + + if (descr != NULL) { + /* Free the extent held by the segment */ + page = xdes_get_offset(descr); + + fseg_free_extent(inode, space, zip_size, page, mtr); + + return(FALSE); + } + + /* Free a frag page */ + + n = fseg_find_last_used_frag_page_slot(inode, mtr); + + if (n == ULINT_UNDEFINED) { + ut_error; + } + + page_no = fseg_get_nth_frag_page_no(inode, n, mtr); + + if (page_no == page_get_page_no(page_align(header))) { + + return(TRUE); + } + + fseg_free_page_low(inode, space, zip_size, page_no, mtr); + + return(FALSE); +} + +/**********************************************************************//** +Returns the first extent descriptor for a segment. We think of the extent +lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL +-> FSEG_FREE. +@return the first extent descriptor, or NULL if none */ +static +xdes_t* +fseg_get_first_extent( +/*==================*/ + fseg_inode_t* inode, /*!< in: segment inode */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + mtr_t* mtr) /*!< in: mtr */ +{ + fil_addr_t first; + xdes_t* descr; + + ut_ad(inode && mtr); + + ut_ad(space == page_get_space_id(page_align(inode))); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + + first = fil_addr_null; + + if (flst_get_len(inode + FSEG_FULL, mtr) > 0) { + + first = flst_get_first(inode + FSEG_FULL, mtr); + + } else if (flst_get_len(inode + FSEG_NOT_FULL, mtr) > 0) { + + first = flst_get_first(inode + FSEG_NOT_FULL, mtr); + + } else if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { + + first = flst_get_first(inode + FSEG_FREE, mtr); + } + + if (first.page == FIL_NULL) { + + return(NULL); + } + descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); + + return(descr); +} + +/*******************************************************************//** +Validates a segment. +@return TRUE if ok */ +static +ibool +fseg_validate_low( +/*==============*/ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr2) /*!< in: mtr */ +{ + ulint space; + dulint seg_id; + mtr_t mtr; + xdes_t* descr; + fil_addr_t node_addr; + ulint n_used = 0; + ulint n_used2 = 0; + + ut_ad(mtr_memo_contains_page(mtr2, inode, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); + + space = page_get_space_id(page_align(inode)); + + seg_id = mtr_read_dulint(inode + FSEG_ID, mtr2); + n_used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, + MLOG_4BYTES, mtr2); + flst_validate(inode + FSEG_FREE, mtr2); + flst_validate(inode + FSEG_NOT_FULL, mtr2); + flst_validate(inode + FSEG_FULL, mtr2); + + /* Validate FSEG_FREE list */ + node_addr = flst_get_first(inode + FSEG_FREE, mtr2); + + while (!fil_addr_is_null(node_addr)) { + ulint flags; + ulint zip_size; + + mtr_start(&mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) == 0); + ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); + ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), + seg_id)); + + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + mtr_commit(&mtr); + } + + /* Validate FSEG_NOT_FULL list */ + + node_addr = flst_get_first(inode + FSEG_NOT_FULL, mtr2); + + while (!fil_addr_is_null(node_addr)) { + ulint flags; + ulint zip_size; + + mtr_start(&mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) > 0); + ut_a(xdes_get_n_used(descr, &mtr) < FSP_EXTENT_SIZE); + ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); + ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), + seg_id)); + + n_used2 += xdes_get_n_used(descr, &mtr); + + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + mtr_commit(&mtr); + } + + /* Validate FSEG_FULL list */ + + node_addr = flst_get_first(inode + FSEG_FULL, mtr2); + + while (!fil_addr_is_null(node_addr)) { + ulint flags; + ulint zip_size; + + mtr_start(&mtr); + mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) == FSP_EXTENT_SIZE); + ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); + ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), + seg_id)); + + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + mtr_commit(&mtr); + } + + ut_a(n_used == n_used2); + + return(TRUE); +} + +#ifdef UNIV_DEBUG +/*******************************************************************//** +Validates a segment. +@return TRUE if ok */ +UNIV_INTERN +ibool +fseg_validate( +/*==========*/ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr) /*!< in: mtr */ +{ + fseg_inode_t* inode; + ibool ret; + ulint space; + ulint flags; + ulint zip_size; + + space = page_get_space_id(page_align(header)); + + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + inode = fseg_inode_get(header, space, zip_size, mtr); + + ret = fseg_validate_low(inode, mtr); + + return(ret); +} +#endif /* UNIV_DEBUG */ + +/*******************************************************************//** +Writes info of a segment. */ +static +void +fseg_print_low( +/*===========*/ + fseg_inode_t* inode, /*!< in: segment inode */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint space; + ulint seg_id_low; + ulint seg_id_high; + ulint n_used; + ulint n_frag; + ulint n_free; + ulint n_not_full; + ulint n_full; + ulint reserved; + ulint used; + ulint page_no; + dulint d_var; + + ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); + space = page_get_space_id(page_align(inode)); + page_no = page_get_page_no(page_align(inode)); + + reserved = fseg_n_reserved_pages_low(inode, &used, mtr); + + d_var = mtr_read_dulint(inode + FSEG_ID, mtr); + + seg_id_low = ut_dulint_get_low(d_var); + seg_id_high = ut_dulint_get_high(d_var); + + n_used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, + MLOG_4BYTES, mtr); + n_frag = fseg_get_n_frag_pages(inode, mtr); + n_free = flst_get_len(inode + FSEG_FREE, mtr); + n_not_full = flst_get_len(inode + FSEG_NOT_FULL, mtr); + n_full = flst_get_len(inode + FSEG_FULL, mtr); + + fprintf(stderr, + "SEGMENT id %lu %lu space %lu; page %lu;" + " res %lu used %lu; full ext %lu\n" + "fragm pages %lu; free extents %lu;" + " not full extents %lu: pages %lu\n", + (ulong) seg_id_high, (ulong) seg_id_low, + (ulong) space, (ulong) page_no, + (ulong) reserved, (ulong) used, (ulong) n_full, + (ulong) n_frag, (ulong) n_free, (ulong) n_not_full, + (ulong) n_used); + ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); +} + +#ifdef UNIV_BTR_PRINT +/*******************************************************************//** +Writes info of a segment. */ +UNIV_INTERN +void +fseg_print( +/*=======*/ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr) /*!< in: mtr */ +{ + fseg_inode_t* inode; + ulint space; + ulint flags; + ulint zip_size; + + space = page_get_space_id(page_align(header)); + + mtr_x_lock(fil_space_get_latch(space, &flags), mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + inode = fseg_inode_get(header, space, zip_size, mtr); + + fseg_print_low(inode, mtr); +} +#endif /* UNIV_BTR_PRINT */ + +/*******************************************************************//** +Validates the file space system and its segments. +@return TRUE if ok */ +UNIV_INTERN +ibool +fsp_validate( +/*=========*/ + ulint space) /*!< in: space id */ +{ + fsp_header_t* header; + fseg_inode_t* seg_inode; + page_t* seg_inode_page; + rw_lock_t* latch; + ulint size; + ulint flags; + ulint zip_size; + ulint free_limit; + ulint frag_n_used; + mtr_t mtr; + mtr_t mtr2; + xdes_t* descr; + fil_addr_t node_addr; + fil_addr_t next_node_addr; + ulint descr_count = 0; + ulint n_used = 0; + ulint n_used2 = 0; + ulint n_full_frag_pages; + ulint n; + ulint seg_inode_len_free; + ulint seg_inode_len_full; + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + ut_a(ut_is_2pow(zip_size)); + ut_a(zip_size <= UNIV_PAGE_SIZE); + ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); + + /* Start first a mini-transaction mtr2 to lock out all other threads + from the fsp system */ + mtr_start(&mtr2); + mtr_x_lock(latch, &mtr2); + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); + free_limit = mtr_read_ulint(header + FSP_FREE_LIMIT, + MLOG_4BYTES, &mtr); + frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, + MLOG_4BYTES, &mtr); + + n_full_frag_pages = FSP_EXTENT_SIZE + * flst_get_len(header + FSP_FULL_FRAG, &mtr); + + if (UNIV_UNLIKELY(free_limit > size)) { + + ut_a(space != 0); + ut_a(size < FSP_EXTENT_SIZE); + } + + flst_validate(header + FSP_FREE, &mtr); + flst_validate(header + FSP_FREE_FRAG, &mtr); + flst_validate(header + FSP_FULL_FRAG, &mtr); + + mtr_commit(&mtr); + + /* Validate FSP_FREE list */ + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + node_addr = flst_get_first(header + FSP_FREE, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + descr_count++; + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) == 0); + ut_a(xdes_get_state(descr, &mtr) == XDES_FREE); + + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + mtr_commit(&mtr); + } + + /* Validate FSP_FREE_FRAG list */ + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + node_addr = flst_get_first(header + FSP_FREE_FRAG, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + descr_count++; + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) > 0); + ut_a(xdes_get_n_used(descr, &mtr) < FSP_EXTENT_SIZE); + ut_a(xdes_get_state(descr, &mtr) == XDES_FREE_FRAG); + + n_used += xdes_get_n_used(descr, &mtr); + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + + mtr_commit(&mtr); + } + + /* Validate FSP_FULL_FRAG list */ + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + node_addr = flst_get_first(header + FSP_FULL_FRAG, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + descr_count++; + descr = xdes_lst_get_descriptor(space, zip_size, + node_addr, &mtr); + + ut_a(xdes_get_n_used(descr, &mtr) == FSP_EXTENT_SIZE); + ut_a(xdes_get_state(descr, &mtr) == XDES_FULL_FRAG); + + node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); + mtr_commit(&mtr); + } + + /* Validate segments */ + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + node_addr = flst_get_first(header + FSP_SEG_INODES_FULL, &mtr); + + seg_inode_len_full = flst_get_len(header + FSP_SEG_INODES_FULL, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + + n = 0; + do { + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + seg_inode_page = fut_get_ptr( + space, zip_size, node_addr, RW_X_LATCH, &mtr) + - FSEG_INODE_PAGE_NODE; + + seg_inode = fsp_seg_inode_page_get_nth_inode( + seg_inode_page, n, zip_size, &mtr); + ut_a(!ut_dulint_is_zero( + mach_read_from_8(seg_inode + FSEG_ID))); + fseg_validate_low(seg_inode, &mtr); + + descr_count += flst_get_len(seg_inode + FSEG_FREE, + &mtr); + descr_count += flst_get_len(seg_inode + FSEG_FULL, + &mtr); + descr_count += flst_get_len(seg_inode + FSEG_NOT_FULL, + &mtr); + + n_used2 += fseg_get_n_frag_pages(seg_inode, &mtr); + + next_node_addr = flst_get_next_addr( + seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); + mtr_commit(&mtr); + } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); + + node_addr = next_node_addr; + } + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + node_addr = flst_get_first(header + FSP_SEG_INODES_FREE, &mtr); + + seg_inode_len_free = flst_get_len(header + FSP_SEG_INODES_FREE, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + + n = 0; + + do { + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + seg_inode_page = fut_get_ptr( + space, zip_size, node_addr, RW_X_LATCH, &mtr) + - FSEG_INODE_PAGE_NODE; + + seg_inode = fsp_seg_inode_page_get_nth_inode( + seg_inode_page, n, zip_size, &mtr); + if (!ut_dulint_is_zero( + mach_read_from_8(seg_inode + FSEG_ID))) { + fseg_validate_low(seg_inode, &mtr); + + descr_count += flst_get_len( + seg_inode + FSEG_FREE, &mtr); + descr_count += flst_get_len( + seg_inode + FSEG_FULL, &mtr); + descr_count += flst_get_len( + seg_inode + FSEG_NOT_FULL, &mtr); + n_used2 += fseg_get_n_frag_pages( + seg_inode, &mtr); + } + + next_node_addr = flst_get_next_addr( + seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); + mtr_commit(&mtr); + } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); + + node_addr = next_node_addr; + } + + ut_a(descr_count * FSP_EXTENT_SIZE == free_limit); + if (!zip_size) { + ut_a(n_used + n_full_frag_pages + == n_used2 + 2 * ((free_limit + (UNIV_PAGE_SIZE - 1)) + / UNIV_PAGE_SIZE) + + seg_inode_len_full + seg_inode_len_free); + } else { + ut_a(n_used + n_full_frag_pages + == n_used2 + 2 * ((free_limit + (zip_size - 1)) + / zip_size) + + seg_inode_len_full + seg_inode_len_free); + } + ut_a(frag_n_used == n_used); + + mtr_commit(&mtr2); + + return(TRUE); +} + +/*******************************************************************//** +Prints info of a file space. */ +UNIV_INTERN +void +fsp_print( +/*======*/ + ulint space) /*!< in: space id */ +{ + fsp_header_t* header; + fseg_inode_t* seg_inode; + page_t* seg_inode_page; + rw_lock_t* latch; + ulint flags; + ulint zip_size; + ulint size; + ulint free_limit; + ulint frag_n_used; + fil_addr_t node_addr; + fil_addr_t next_node_addr; + ulint n_free; + ulint n_free_frag; + ulint n_full_frag; + ulint seg_id_low; + ulint seg_id_high; + ulint n; + ulint n_segs = 0; + dulint d_var; + mtr_t mtr; + mtr_t mtr2; + + latch = fil_space_get_latch(space, &flags); + zip_size = dict_table_flags_to_zip_size(flags); + + /* Start first a mini-transaction mtr2 to lock out all other threads + from the fsp system */ + + mtr_start(&mtr2); + + mtr_x_lock(latch, &mtr2); + + mtr_start(&mtr); + + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); + + free_limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, + &mtr); + frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, + &mtr); + n_free = flst_get_len(header + FSP_FREE, &mtr); + n_free_frag = flst_get_len(header + FSP_FREE_FRAG, &mtr); + n_full_frag = flst_get_len(header + FSP_FULL_FRAG, &mtr); + + d_var = mtr_read_dulint(header + FSP_SEG_ID, &mtr); + + seg_id_low = ut_dulint_get_low(d_var); + seg_id_high = ut_dulint_get_high(d_var); + + fprintf(stderr, + "FILE SPACE INFO: id %lu\n" + "size %lu, free limit %lu, free extents %lu\n" + "not full frag extents %lu: used pages %lu," + " full frag extents %lu\n" + "first seg id not used %lu %lu\n", + (ulong) space, + (ulong) size, (ulong) free_limit, (ulong) n_free, + (ulong) n_free_frag, (ulong) frag_n_used, (ulong) n_full_frag, + (ulong) seg_id_high, (ulong) seg_id_low); + + mtr_commit(&mtr); + + /* Print segments */ + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + node_addr = flst_get_first(header + FSP_SEG_INODES_FULL, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + + n = 0; + + do { + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + seg_inode_page = fut_get_ptr( + space, zip_size, node_addr, RW_X_LATCH, &mtr) + - FSEG_INODE_PAGE_NODE; + + seg_inode = fsp_seg_inode_page_get_nth_inode( + seg_inode_page, n, zip_size, &mtr); + ut_a(!ut_dulint_is_zero( + mach_read_from_8(seg_inode + FSEG_ID))); + fseg_print_low(seg_inode, &mtr); + + n_segs++; + + next_node_addr = flst_get_next_addr( + seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); + mtr_commit(&mtr); + } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); + + node_addr = next_node_addr; + } + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + header = fsp_get_space_header(space, zip_size, &mtr); + + node_addr = flst_get_first(header + FSP_SEG_INODES_FREE, &mtr); + + mtr_commit(&mtr); + + while (!fil_addr_is_null(node_addr)) { + + n = 0; + + do { + + mtr_start(&mtr); + mtr_x_lock(latch, &mtr); + + seg_inode_page = fut_get_ptr( + space, zip_size, node_addr, RW_X_LATCH, &mtr) + - FSEG_INODE_PAGE_NODE; + + seg_inode = fsp_seg_inode_page_get_nth_inode( + seg_inode_page, n, zip_size, &mtr); + if (!ut_dulint_is_zero( + mach_read_from_8(seg_inode + FSEG_ID))) { + + fseg_print_low(seg_inode, &mtr); + n_segs++; + } + + next_node_addr = flst_get_next_addr( + seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); + mtr_commit(&mtr); + } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); + + node_addr = next_node_addr; + } + + mtr_commit(&mtr2); + + fprintf(stderr, "NUMBER of file segments: %lu\n", (ulong) n_segs); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/fut/fut0fut.c b/perfschema/fut/fut0fut.c new file mode 100644 index 00000000000..20b45a575e6 --- /dev/null +++ b/perfschema/fut/fut0fut.c @@ -0,0 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file fut/fut0fut.c +File-based utilities + +Created 12/13/1995 Heikki Tuuri +***********************************************************************/ + +#include "fut0fut.h" + +#ifdef UNIV_NONINL +#include "fut0fut.ic" +#endif + diff --git a/perfschema/fut/fut0lst.c b/perfschema/fut/fut0lst.c new file mode 100644 index 00000000000..a1e21c22725 --- /dev/null +++ b/perfschema/fut/fut0lst.c @@ -0,0 +1,530 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file fut/fut0lst.c +File-based list utilities + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#include "fut0lst.h" + +#ifdef UNIV_NONINL +#include "fut0lst.ic" +#endif + +#include "buf0buf.h" +#include "page0page.h" + +/********************************************************************//** +Adds a node to an empty list. */ +static +void +flst_add_to_empty( +/*==============*/ + flst_base_node_t* base, /*!< in: pointer to base node of + empty list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + fil_addr_t node_addr; + ulint len; + + ut_ad(mtr && base && node); + ut_ad(base != node); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); + len = flst_get_len(base, mtr); + ut_a(len == 0); + + buf_ptr_get_fsp_addr(node, &space, &node_addr); + + /* Update first and last fields of base node */ + flst_write_addr(base + FLST_FIRST, node_addr, mtr); + flst_write_addr(base + FLST_LAST, node_addr, mtr); + + /* Set prev and next fields of node to add */ + flst_write_addr(node + FLST_PREV, fil_addr_null, mtr); + flst_write_addr(node + FLST_NEXT, fil_addr_null, mtr); + + /* Update len of base node */ + mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Adds a node as the last node in a list. */ +UNIV_INTERN +void +flst_add_last( +/*==========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + fil_addr_t node_addr; + ulint len; + fil_addr_t last_addr; + flst_node_t* last_node; + + ut_ad(mtr && base && node); + ut_ad(base != node); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); + len = flst_get_len(base, mtr); + last_addr = flst_get_last(base, mtr); + + buf_ptr_get_fsp_addr(node, &space, &node_addr); + + /* If the list is not empty, call flst_insert_after */ + if (len != 0) { + if (last_addr.page == node_addr.page) { + last_node = page_align(node) + last_addr.boffset; + } else { + ulint zip_size = fil_space_get_zip_size(space); + + last_node = fut_get_ptr(space, zip_size, last_addr, + RW_X_LATCH, mtr); + } + + flst_insert_after(base, last_node, node, mtr); + } else { + /* else call flst_add_to_empty */ + flst_add_to_empty(base, node, mtr); + } +} + +/********************************************************************//** +Adds a node as the first node in a list. */ +UNIV_INTERN +void +flst_add_first( +/*===========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + fil_addr_t node_addr; + ulint len; + fil_addr_t first_addr; + flst_node_t* first_node; + + ut_ad(mtr && base && node); + ut_ad(base != node); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); + len = flst_get_len(base, mtr); + first_addr = flst_get_first(base, mtr); + + buf_ptr_get_fsp_addr(node, &space, &node_addr); + + /* If the list is not empty, call flst_insert_before */ + if (len != 0) { + if (first_addr.page == node_addr.page) { + first_node = page_align(node) + first_addr.boffset; + } else { + ulint zip_size = fil_space_get_zip_size(space); + + first_node = fut_get_ptr(space, zip_size, first_addr, + RW_X_LATCH, mtr); + } + + flst_insert_before(base, node, first_node, mtr); + } else { + /* else call flst_add_to_empty */ + flst_add_to_empty(base, node, mtr); + } +} + +/********************************************************************//** +Inserts a node after another in a list. */ +UNIV_INTERN +void +flst_insert_after( +/*==============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node1, /*!< in: node to insert after */ + flst_node_t* node2, /*!< in: node to add */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + fil_addr_t node1_addr; + fil_addr_t node2_addr; + flst_node_t* node3; + fil_addr_t node3_addr; + ulint len; + + ut_ad(mtr && node1 && node2 && base); + ut_ad(base != node1); + ut_ad(base != node2); + ut_ad(node2 != node1); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node1, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); + + buf_ptr_get_fsp_addr(node1, &space, &node1_addr); + buf_ptr_get_fsp_addr(node2, &space, &node2_addr); + + node3_addr = flst_get_next_addr(node1, mtr); + + /* Set prev and next fields of node2 */ + flst_write_addr(node2 + FLST_PREV, node1_addr, mtr); + flst_write_addr(node2 + FLST_NEXT, node3_addr, mtr); + + if (!fil_addr_is_null(node3_addr)) { + /* Update prev field of node3 */ + ulint zip_size = fil_space_get_zip_size(space); + + node3 = fut_get_ptr(space, zip_size, + node3_addr, RW_X_LATCH, mtr); + flst_write_addr(node3 + FLST_PREV, node2_addr, mtr); + } else { + /* node1 was last in list: update last field in base */ + flst_write_addr(base + FLST_LAST, node2_addr, mtr); + } + + /* Set next field of node1 */ + flst_write_addr(node1 + FLST_NEXT, node2_addr, mtr); + + /* Update len of base node */ + len = flst_get_len(base, mtr); + mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Inserts a node before another in a list. */ +UNIV_INTERN +void +flst_insert_before( +/*===============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to insert */ + flst_node_t* node3, /*!< in: node to insert before */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + flst_node_t* node1; + fil_addr_t node1_addr; + fil_addr_t node2_addr; + fil_addr_t node3_addr; + ulint len; + + ut_ad(mtr && node2 && node3 && base); + ut_ad(base != node2); + ut_ad(base != node3); + ut_ad(node2 != node3); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node3, MTR_MEMO_PAGE_X_FIX)); + + buf_ptr_get_fsp_addr(node2, &space, &node2_addr); + buf_ptr_get_fsp_addr(node3, &space, &node3_addr); + + node1_addr = flst_get_prev_addr(node3, mtr); + + /* Set prev and next fields of node2 */ + flst_write_addr(node2 + FLST_PREV, node1_addr, mtr); + flst_write_addr(node2 + FLST_NEXT, node3_addr, mtr); + + if (!fil_addr_is_null(node1_addr)) { + ulint zip_size = fil_space_get_zip_size(space); + /* Update next field of node1 */ + node1 = fut_get_ptr(space, zip_size, node1_addr, + RW_X_LATCH, mtr); + flst_write_addr(node1 + FLST_NEXT, node2_addr, mtr); + } else { + /* node3 was first in list: update first field in base */ + flst_write_addr(base + FLST_FIRST, node2_addr, mtr); + } + + /* Set prev field of node3 */ + flst_write_addr(node3 + FLST_PREV, node2_addr, mtr); + + /* Update len of base node */ + len = flst_get_len(base, mtr); + mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Removes a node. */ +UNIV_INTERN +void +flst_remove( +/*========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to remove */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + ulint zip_size; + flst_node_t* node1; + fil_addr_t node1_addr; + fil_addr_t node2_addr; + flst_node_t* node3; + fil_addr_t node3_addr; + ulint len; + + ut_ad(mtr && node2 && base); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); + + buf_ptr_get_fsp_addr(node2, &space, &node2_addr); + zip_size = fil_space_get_zip_size(space); + + node1_addr = flst_get_prev_addr(node2, mtr); + node3_addr = flst_get_next_addr(node2, mtr); + + if (!fil_addr_is_null(node1_addr)) { + + /* Update next field of node1 */ + + if (node1_addr.page == node2_addr.page) { + + node1 = page_align(node2) + node1_addr.boffset; + } else { + node1 = fut_get_ptr(space, zip_size, + node1_addr, RW_X_LATCH, mtr); + } + + ut_ad(node1 != node2); + + flst_write_addr(node1 + FLST_NEXT, node3_addr, mtr); + } else { + /* node2 was first in list: update first field in base */ + flst_write_addr(base + FLST_FIRST, node3_addr, mtr); + } + + if (!fil_addr_is_null(node3_addr)) { + /* Update prev field of node3 */ + + if (node3_addr.page == node2_addr.page) { + + node3 = page_align(node2) + node3_addr.boffset; + } else { + node3 = fut_get_ptr(space, zip_size, + node3_addr, RW_X_LATCH, mtr); + } + + ut_ad(node2 != node3); + + flst_write_addr(node3 + FLST_PREV, node1_addr, mtr); + } else { + /* node2 was last in list: update last field in base */ + flst_write_addr(base + FLST_LAST, node1_addr, mtr); + } + + /* Update len of base node */ + len = flst_get_len(base, mtr); + ut_ad(len > 0); + + mlog_write_ulint(base + FLST_LEN, len - 1, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Cuts off the tail of the list, including the node given. The number of +nodes which will be removed must be provided by the caller, as this function +does not measure the length of the tail. */ +UNIV_INTERN +void +flst_cut_end( +/*=========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node to remove */ + ulint n_nodes,/*!< in: number of nodes to remove, + must be >= 1 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint space; + flst_node_t* node1; + fil_addr_t node1_addr; + fil_addr_t node2_addr; + ulint len; + + ut_ad(mtr && node2 && base); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); + ut_ad(n_nodes > 0); + + buf_ptr_get_fsp_addr(node2, &space, &node2_addr); + + node1_addr = flst_get_prev_addr(node2, mtr); + + if (!fil_addr_is_null(node1_addr)) { + + /* Update next field of node1 */ + + if (node1_addr.page == node2_addr.page) { + + node1 = page_align(node2) + node1_addr.boffset; + } else { + node1 = fut_get_ptr(space, + fil_space_get_zip_size(space), + node1_addr, RW_X_LATCH, mtr); + } + + flst_write_addr(node1 + FLST_NEXT, fil_addr_null, mtr); + } else { + /* node2 was first in list: update the field in base */ + flst_write_addr(base + FLST_FIRST, fil_addr_null, mtr); + } + + flst_write_addr(base + FLST_LAST, node1_addr, mtr); + + /* Update len of base node */ + len = flst_get_len(base, mtr); + ut_ad(len >= n_nodes); + + mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Cuts off the tail of the list, not including the given node. The number of +nodes which will be removed must be provided by the caller, as this function +does not measure the length of the tail. */ +UNIV_INTERN +void +flst_truncate_end( +/*==============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node not to remove */ + ulint n_nodes,/*!< in: number of nodes to remove */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fil_addr_t node2_addr; + ulint len; + ulint space; + + ut_ad(mtr && node2 && base); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); + if (n_nodes == 0) { + + ut_ad(fil_addr_is_null(flst_get_next_addr(node2, mtr))); + + return; + } + + buf_ptr_get_fsp_addr(node2, &space, &node2_addr); + + /* Update next field of node2 */ + flst_write_addr(node2 + FLST_NEXT, fil_addr_null, mtr); + + flst_write_addr(base + FLST_LAST, node2_addr, mtr); + + /* Update len of base node */ + len = flst_get_len(base, mtr); + ut_ad(len >= n_nodes); + + mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); +} + +/********************************************************************//** +Validates a file-based list. +@return TRUE if ok */ +UNIV_INTERN +ibool +flst_validate( +/*==========*/ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr1) /*!< in: mtr */ +{ + ulint space; + ulint zip_size; + const flst_node_t* node; + fil_addr_t node_addr; + fil_addr_t base_addr; + ulint len; + ulint i; + mtr_t mtr2; + + ut_ad(base); + ut_ad(mtr_memo_contains_page(mtr1, base, MTR_MEMO_PAGE_X_FIX)); + + /* We use two mini-transaction handles: the first is used to + lock the base node, and prevent other threads from modifying the + list. The second is used to traverse the list. We cannot run the + second mtr without committing it at times, because if the list + is long, then the x-locked pages could fill the buffer resulting + in a deadlock. */ + + /* Find out the space id */ + buf_ptr_get_fsp_addr(base, &space, &base_addr); + zip_size = fil_space_get_zip_size(space); + + len = flst_get_len(base, mtr1); + node_addr = flst_get_first(base, mtr1); + + for (i = 0; i < len; i++) { + mtr_start(&mtr2); + + node = fut_get_ptr(space, zip_size, + node_addr, RW_X_LATCH, &mtr2); + node_addr = flst_get_next_addr(node, &mtr2); + + mtr_commit(&mtr2); /* Commit mtr2 each round to prevent buffer + becoming full */ + } + + ut_a(fil_addr_is_null(node_addr)); + + node_addr = flst_get_last(base, mtr1); + + for (i = 0; i < len; i++) { + mtr_start(&mtr2); + + node = fut_get_ptr(space, zip_size, + node_addr, RW_X_LATCH, &mtr2); + node_addr = flst_get_prev_addr(node, &mtr2); + + mtr_commit(&mtr2); /* Commit mtr2 each round to prevent buffer + becoming full */ + } + + ut_a(fil_addr_is_null(node_addr)); + + return(TRUE); +} + +/********************************************************************//** +Prints info of a file-based list. */ +UNIV_INTERN +void +flst_print( +/*=======*/ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr) /*!< in: mtr */ +{ + const buf_frame_t* frame; + ulint len; + + ut_ad(base && mtr); + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + frame = page_align((byte*) base); + + len = flst_get_len(base, mtr); + + fprintf(stderr, + "FILE-BASED LIST:\n" + "Base node in space %lu page %lu byte offset %lu; len %lu\n", + (ulong) page_get_space_id(frame), + (ulong) page_get_page_no(frame), + (ulong) page_offset(base), (ulong) len); +} diff --git a/perfschema/ha/ha0ha.c b/perfschema/ha/ha0ha.c new file mode 100644 index 00000000000..cb5e541b55d --- /dev/null +++ b/perfschema/ha/ha0ha.c @@ -0,0 +1,441 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file ha/ha0ha.c +The hash table with external chains + +Created 8/22/1994 Heikki Tuuri +*************************************************************************/ + +#include "ha0ha.h" +#ifdef UNIV_NONINL +#include "ha0ha.ic" +#endif + +#ifdef UNIV_DEBUG +# include "buf0buf.h" +#endif /* UNIV_DEBUG */ +#ifdef UNIV_SYNC_DEBUG +# include "btr0sea.h" +#endif /* UNIV_SYNC_DEBUG */ +#include "page0page.h" + +/*************************************************************//** +Creates a hash table with at least n array cells. The actual number +of cells is chosen to be a prime number slightly bigger than n. +@return own: created table */ +UNIV_INTERN +hash_table_t* +ha_create_func( +/*===========*/ + ulint n, /*!< in: number of array cells */ +#ifdef UNIV_SYNC_DEBUG + ulint mutex_level, /*!< in: level of the mutexes in the latching + order: this is used in the debug version */ +#endif /* UNIV_SYNC_DEBUG */ + ulint n_mutexes) /*!< in: number of mutexes to protect the + hash table: must be a power of 2, or 0 */ +{ + hash_table_t* table; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ + + ut_ad(ut_is_2pow(n_mutexes)); + table = hash_create(n); + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + table->adaptive = TRUE; +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + /* Creating MEM_HEAP_BTR_SEARCH type heaps can potentially fail, + but in practise it never should in this case, hence the asserts. */ + + if (n_mutexes == 0) { + table->heap = mem_heap_create_in_btr_search( + ut_min(4096, MEM_MAX_ALLOC_IN_BUF)); + ut_a(table->heap); + + return(table); + } + +#ifndef UNIV_HOTBACKUP + hash_create_mutexes(table, n_mutexes, mutex_level); + + table->heaps = mem_alloc(n_mutexes * sizeof(void*)); + + for (i = 0; i < n_mutexes; i++) { + table->heaps[i] = mem_heap_create_in_btr_search(4096); + ut_a(table->heaps[i]); + } +#endif /* !UNIV_HOTBACKUP */ + + return(table); +} + +/*************************************************************//** +Empties a hash table and frees the memory heaps. */ +UNIV_INTERN +void +ha_clear( +/*=====*/ + hash_table_t* table) /*!< in, own: hash table */ +{ + ulint i; + ulint n; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EXCLUSIVE)); +#endif /* UNIV_SYNC_DEBUG */ + +#ifndef UNIV_HOTBACKUP + /* Free the memory heaps. */ + n = table->n_mutexes; + + for (i = 0; i < n; i++) { + mem_heap_free(table->heaps[i]); + } +#endif /* !UNIV_HOTBACKUP */ + + /* Clear the hash table. */ + n = hash_get_n_cells(table); + + for (i = 0; i < n; i++) { + hash_get_nth_cell(table, i)->node = NULL; + } +} + +/*************************************************************//** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated */ +UNIV_INTERN +ibool +ha_insert_for_fold_func( +/*====================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data; if a node with + the same fold value already exists, it is + updated to point to the same data, and no new + node is created! */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* block, /*!< in: buffer block containing the data */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* data) /*!< in: data, must not be NULL */ +{ + hash_cell_t* cell; + ha_node_t* node; + ha_node_t* prev_node; + ulint hash; + + ut_ad(table && data); +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(block->frame == page_align(data)); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + ASSERT_HASH_MUTEX_OWN(table, fold); + + hash = hash_calc_hash(fold, table); + + cell = hash_get_nth_cell(table, hash); + + prev_node = cell->node; + + while (prev_node != NULL) { + if (prev_node->fold == fold) { +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + if (table->adaptive) { + buf_block_t* prev_block = prev_node->block; + ut_a(prev_block->frame + == page_align(prev_node->data)); + ut_a(prev_block->n_pointers > 0); + prev_block->n_pointers--; + block->n_pointers++; + } +# endif /* !UNIV_HOTBACKUP */ + + prev_node->block = block; +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + prev_node->data = data; + + return(TRUE); + } + + prev_node = prev_node->next; + } + + /* We have to allocate a new chain node */ + + node = mem_heap_alloc(hash_get_heap(table, fold), sizeof(ha_node_t)); + + if (node == NULL) { + /* It was a btr search type memory heap and at the moment + no more memory could be allocated: return */ + + ut_ad(hash_get_heap(table, fold)->type & MEM_HEAP_BTR_SEARCH); + + return(FALSE); + } + + ha_node_set_data(node, block, data); + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + if (table->adaptive) { + block->n_pointers++; + } +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + + node->fold = fold; + + node->next = NULL; + + prev_node = cell->node; + + if (prev_node == NULL) { + + cell->node = node; + + return(TRUE); + } + + while (prev_node->next != NULL) { + + prev_node = prev_node->next; + } + + prev_node->next = node; + + return(TRUE); +} + +/***********************************************************//** +Deletes a hash node. */ +UNIV_INTERN +void +ha_delete_hash_node( +/*================*/ + hash_table_t* table, /*!< in: hash table */ + ha_node_t* del_node) /*!< in: node to be deleted */ +{ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + if (table->adaptive) { + ut_a(del_node->block->frame = page_align(del_node->data)); + ut_a(del_node->block->n_pointers > 0); + del_node->block->n_pointers--; + } +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + + HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); +} + +/*********************************************************//** +Looks for an element when we know the pointer to the data, and updates +the pointer to data, if found. */ +UNIV_INTERN +void +ha_search_and_update_if_found_func( +/*===============================*/ + hash_table_t* table, /*!< in/out: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data, /*!< in: pointer to the data */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* new_block,/*!< in: block containing new_data */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* new_data)/*!< in: new pointer to the data */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ut_a(new_block->frame == page_align(new_data)); +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + + node = ha_search_with_data(table, fold, data); + + if (node) { +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + if (table->adaptive) { + ut_a(node->block->n_pointers > 0); + node->block->n_pointers--; + new_block->n_pointers++; + } +# endif /* !UNIV_HOTBACKUP */ + + node->block = new_block; +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + node->data = new_data; + } +} + +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Removes from the chain determined by fold all nodes whose data pointer +points to the page given. */ +UNIV_INTERN +void +ha_remove_all_nodes_to_page( +/*========================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: fold value */ + const page_t* page) /*!< in: buffer page */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); + + node = ha_chain_get_first(table, fold); + + while (node) { + if (page_align(ha_node_get_data(node)) == page) { + + /* Remove the hash node */ + + ha_delete_hash_node(table, node); + + /* Start again from the first node in the chain + because the deletion may compact the heap of + nodes and move other nodes! */ + + node = ha_chain_get_first(table, fold); + } else { + node = ha_chain_get_next(node); + } + } +#ifdef UNIV_DEBUG + /* Check that all nodes really got deleted */ + + node = ha_chain_get_first(table, fold); + + while (node) { + ut_a(page_align(ha_node_get_data(node)) != page); + + node = ha_chain_get_next(node); + } +#endif +} + +/*************************************************************//** +Validates a given range of the cells in hash table. +@return TRUE if ok */ +UNIV_INTERN +ibool +ha_validate( +/*========*/ + hash_table_t* table, /*!< in: hash table */ + ulint start_index, /*!< in: start index */ + ulint end_index) /*!< in: end index */ +{ + hash_cell_t* cell; + ha_node_t* node; + ibool ok = TRUE; + ulint i; + + ut_a(start_index <= end_index); + ut_a(start_index < hash_get_n_cells(table)); + ut_a(end_index < hash_get_n_cells(table)); + + for (i = start_index; i <= end_index; i++) { + + cell = hash_get_nth_cell(table, i); + + node = cell->node; + + while (node) { + if (hash_calc_hash(node->fold, table) != i) { + ut_print_timestamp(stderr); + fprintf(stderr, + "InnoDB: Error: hash table node" + " fold value %lu does not\n" + "InnoDB: match the cell number %lu.\n", + (ulong) node->fold, (ulong) i); + + ok = FALSE; + } + + node = node->next; + } + } + + return(ok); +} + +/*************************************************************//** +Prints info of a hash table. */ +UNIV_INTERN +void +ha_print_info( +/*==========*/ + FILE* file, /*!< in: file where to print */ + hash_table_t* table) /*!< in: hash table */ +{ +#ifdef UNIV_DEBUG +/* Some of the code here is disabled for performance reasons in production +builds, see http://bugs.mysql.com/36941 */ +#define PRINT_USED_CELLS +#endif /* UNIV_DEBUG */ + +#ifdef PRINT_USED_CELLS + hash_cell_t* cell; + ulint cells = 0; + ulint i; +#endif /* PRINT_USED_CELLS */ + ulint n_bufs; + +#ifdef PRINT_USED_CELLS + for (i = 0; i < hash_get_n_cells(table); i++) { + + cell = hash_get_nth_cell(table, i); + + if (cell->node) { + + cells++; + } + } +#endif /* PRINT_USED_CELLS */ + + fprintf(file, "Hash table size %lu", + (ulong) hash_get_n_cells(table)); + +#ifdef PRINT_USED_CELLS + fprintf(file, ", used cells %lu", (ulong) cells); +#endif /* PRINT_USED_CELLS */ + + if (table->heaps == NULL && table->heap != NULL) { + + /* This calculation is intended for the adaptive hash + index: how many buffer frames we have reserved? */ + + n_bufs = UT_LIST_GET_LEN(table->heap->base) - 1; + + if (table->heap->free_block) { + n_bufs++; + } + + fprintf(file, ", node heap has %lu buffer(s)\n", + (ulong) n_bufs); + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ha/ha0storage.c b/perfschema/ha/ha0storage.c new file mode 100644 index 00000000000..698e34f1166 --- /dev/null +++ b/perfschema/ha/ha0storage.c @@ -0,0 +1,184 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file ha/ha0storage.c +Hash storage. +Provides a data structure that stores chunks of data in +its own storage, avoiding duplicates. + +Created September 22, 2007 Vasil Dimov +*******************************************************/ + +#include "univ.i" +#include "ha0storage.h" +#include "hash0hash.h" +#include "mem0mem.h" +#include "ut0rnd.h" + +#ifdef UNIV_NONINL +#include "ha0storage.ic" +#endif + +/*******************************************************************//** +Retrieves a data from a storage. If it is present, a pointer to the +stored copy of data is returned, otherwise NULL is returned. */ +static +const void* +ha_storage_get( +/*===========*/ + ha_storage_t* storage, /*!< in: hash storage */ + const void* data, /*!< in: data to check for */ + ulint data_len) /*!< in: data length */ +{ + ha_storage_node_t* node; + ulint fold; + + /* avoid repetitive calls to ut_fold_binary() in the HASH_SEARCH + macro */ + fold = ut_fold_binary(data, data_len); + +#define IS_FOUND \ + node->data_len == data_len && memcmp(node->data, data, data_len) == 0 + + HASH_SEARCH( + next, /* node->"next" */ + storage->hash, /* the hash table */ + fold, /* key */ + ha_storage_node_t*, /* type of node->next */ + node, /* auxiliary variable */ + , /* assertion */ + IS_FOUND); /* search criteria */ + + if (node == NULL) { + + return(NULL); + } + /* else */ + + return(node->data); +} + +/*******************************************************************//** +Copies data into the storage and returns a pointer to the copy. If the +same data chunk is already present, then pointer to it is returned. +Data chunks are considered to be equal if len1 == len2 and +memcmp(data1, data2, len1) == 0. If "data" is not present (and thus +data_len bytes need to be allocated) and the size of storage is going to +become more than "memlim" then "data" is not added and NULL is returned. +To disable this behavior "memlim" can be set to 0, which stands for +"no limit". */ +UNIV_INTERN +const void* +ha_storage_put_memlim( +/*==================*/ + ha_storage_t* storage, /*!< in/out: hash storage */ + const void* data, /*!< in: data to store */ + ulint data_len, /*!< in: data length */ + ulint memlim) /*!< in: memory limit to obey */ +{ + void* raw; + ha_storage_node_t* node; + const void* data_copy; + ulint fold; + + /* check if data chunk is already present */ + data_copy = ha_storage_get(storage, data, data_len); + if (data_copy != NULL) { + + return(data_copy); + } + + /* not present */ + + /* check if we are allowed to allocate data_len bytes */ + if (memlim > 0 + && ha_storage_get_size(storage) + data_len > memlim) { + + return(NULL); + } + + /* we put the auxiliary node struct and the data itself in one + continuous block */ + raw = mem_heap_alloc(storage->heap, + sizeof(ha_storage_node_t) + data_len); + + node = (ha_storage_node_t*) raw; + data_copy = (byte*) raw + sizeof(*node); + + memcpy((byte*) raw + sizeof(*node), data, data_len); + + node->data_len = data_len; + node->data = data_copy; + + /* avoid repetitive calls to ut_fold_binary() in the HASH_INSERT + macro */ + fold = ut_fold_binary(data, data_len); + + HASH_INSERT( + ha_storage_node_t, /* type used in the hash chain */ + next, /* node->"next" */ + storage->hash, /* the hash table */ + fold, /* key */ + node); /* add this data to the hash */ + + /* the output should not be changed because it will spoil the + hash table */ + return(data_copy); +} + +#ifdef UNIV_COMPILE_TEST_FUNCS + +void +test_ha_storage() +{ + ha_storage_t* storage; + char buf[1024]; + int i; + const void* stored[256]; + const void* p; + + storage = ha_storage_create(0, 0); + + for (i = 0; i < 256; i++) { + + memset(buf, i, sizeof(buf)); + stored[i] = ha_storage_put(storage, buf, sizeof(buf)); + } + + //ha_storage_empty(&storage); + + for (i = 255; i >= 0; i--) { + + memset(buf, i, sizeof(buf)); + p = ha_storage_put(storage, buf, sizeof(buf)); + + if (p != stored[i]) { + + fprintf(stderr, "ha_storage_put() returned %p " + "instead of %p, i=%d\n", p, stored[i], i); + return; + } + } + + fprintf(stderr, "all ok\n"); + + ha_storage_free(storage); +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/ha/hash0hash.c b/perfschema/ha/hash0hash.c new file mode 100644 index 00000000000..2800d7793f8 --- /dev/null +++ b/perfschema/ha/hash0hash.c @@ -0,0 +1,174 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file ha/hash0hash.c +The simple hash table utility + +Created 5/20/1997 Heikki Tuuri +*******************************************************/ + +#include "hash0hash.h" +#ifdef UNIV_NONINL +#include "hash0hash.ic" +#endif + +#include "mem0mem.h" + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Reserves the mutex for a fold value in a hash table. */ +UNIV_INTERN +void +hash_mutex_enter( +/*=============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ +{ + mutex_enter(hash_get_mutex(table, fold)); +} + +/************************************************************//** +Releases the mutex for a fold value in a hash table. */ +UNIV_INTERN +void +hash_mutex_exit( +/*============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ +{ + mutex_exit(hash_get_mutex(table, fold)); +} + +/************************************************************//** +Reserves all the mutexes of a hash table, in an ascending order. */ +UNIV_INTERN +void +hash_mutex_enter_all( +/*=================*/ + hash_table_t* table) /*!< in: hash table */ +{ + ulint i; + + for (i = 0; i < table->n_mutexes; i++) { + + mutex_enter(table->mutexes + i); + } +} + +/************************************************************//** +Releases all the mutexes of a hash table. */ +UNIV_INTERN +void +hash_mutex_exit_all( +/*================*/ + hash_table_t* table) /*!< in: hash table */ +{ + ulint i; + + for (i = 0; i < table->n_mutexes; i++) { + + mutex_exit(table->mutexes + i); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Creates a hash table with >= n array cells. The actual number of cells is +chosen to be a prime number slightly bigger than n. +@return own: created table */ +UNIV_INTERN +hash_table_t* +hash_create( +/*========*/ + ulint n) /*!< in: number of array cells */ +{ + hash_cell_t* array; + ulint prime; + hash_table_t* table; + + prime = ut_find_prime(n); + + table = mem_alloc(sizeof(hash_table_t)); + + array = ut_malloc(sizeof(hash_cell_t) * prime); + + table->array = array; + table->n_cells = prime; +#ifndef UNIV_HOTBACKUP +# if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + table->adaptive = FALSE; +# endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + table->n_mutexes = 0; + table->mutexes = NULL; + table->heaps = NULL; +#endif /* !UNIV_HOTBACKUP */ + table->heap = NULL; + table->magic_n = HASH_TABLE_MAGIC_N; + + /* Initialize the cell array */ + hash_table_clear(table); + + return(table); +} + +/*************************************************************//** +Frees a hash table. */ +UNIV_INTERN +void +hash_table_free( +/*============*/ + hash_table_t* table) /*!< in, own: hash table */ +{ +#ifndef UNIV_HOTBACKUP + ut_a(table->mutexes == NULL); +#endif /* !UNIV_HOTBACKUP */ + + ut_free(table->array); + mem_free(table); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Creates a mutex array to protect a hash table. */ +UNIV_INTERN +void +hash_create_mutexes_func( +/*=====================*/ + hash_table_t* table, /*!< in: hash table */ +#ifdef UNIV_SYNC_DEBUG + ulint sync_level, /*!< in: latching order level of the + mutexes: used in the debug version */ +#endif /* UNIV_SYNC_DEBUG */ + ulint n_mutexes) /*!< in: number of mutexes, must be a + power of 2 */ +{ + ulint i; + + ut_a(n_mutexes > 0); + ut_a(ut_is_2pow(n_mutexes)); + + table->mutexes = mem_alloc(n_mutexes * sizeof(mutex_t)); + + for (i = 0; i < n_mutexes; i++) { + mutex_create(table->mutexes + i, sync_level); + } + + table->n_mutexes = n_mutexes; +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ha_innodb.def b/perfschema/ha_innodb.def new file mode 100644 index 00000000000..e0faa62deb1 --- /dev/null +++ b/perfschema/ha_innodb.def @@ -0,0 +1,4 @@ +EXPORTS + _mysql_plugin_interface_version_ + _mysql_sizeof_struct_st_plugin_ + _mysql_plugin_declarations_ diff --git a/perfschema/handler/ha_innodb.cc b/perfschema/handler/ha_innodb.cc new file mode 100644 index 00000000000..0dc21ddd69c --- /dev/null +++ b/perfschema/handler/ha_innodb.cc @@ -0,0 +1,10983 @@ +/***************************************************************************** + +Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. +Copyright (c) 2008, 2009 Google Inc. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/* TODO list for the InnoDB handler in 5.0: + - Remove the flag trx->active_trans and look at trx->conc_state + - fix savepoint functions to use savepoint storage area + - Find out what kind of problems the OS X case-insensitivity causes to + table and database names; should we 'normalize' the names like we do + in Windows? +*/ + +#ifdef USE_PRAGMA_IMPLEMENTATION +#pragma implementation // gcc: Class implementation +#endif + +#include + +#include +#include +#include + +/** @file ha_innodb.cc */ + +/* Include necessary InnoDB headers */ +extern "C" { +#include "univ.i" +#include "buf0lru.h" +#include "btr0sea.h" +#include "os0file.h" +#include "os0thread.h" +#include "srv0start.h" +#include "srv0srv.h" +#include "trx0roll.h" +#include "trx0trx.h" +#include "trx0sys.h" +#include "mtr0mtr.h" +#include "row0ins.h" +#include "row0mysql.h" +#include "row0sel.h" +#include "row0upd.h" +#include "log0log.h" +#include "lock0lock.h" +#include "dict0crea.h" +#include "btr0cur.h" +#include "btr0btr.h" +#include "fsp0fsp.h" +#include "sync0sync.h" +#include "fil0fil.h" +#include "trx0xa.h" +#include "row0merge.h" +#include "thr0loc.h" +#include "dict0boot.h" +#include "ha_prototypes.h" +#include "ut0mem.h" +#include "ibuf0ibuf.h" +} + +#include "ha_innodb.h" +#include "i_s.h" + +#ifndef MYSQL_SERVER +# ifndef MYSQL_PLUGIN_IMPORT +# define MYSQL_PLUGIN_IMPORT /* nothing */ +# endif /* MYSQL_PLUGIN_IMPORT */ + +#if MYSQL_VERSION_ID < 50124 +/* this is defined in mysql_priv.h inside #ifdef MYSQL_SERVER +but we need it here */ +bool check_global_access(THD *thd, ulong want_access); +#endif /* MYSQL_VERSION_ID < 50124 */ +#endif /* MYSQL_SERVER */ + +/** to protect innobase_open_files */ +static pthread_mutex_t innobase_share_mutex; +/** to force correct commit order in binlog */ +static pthread_mutex_t prepare_commit_mutex; +static ulong commit_threads = 0; +static pthread_mutex_t commit_threads_m; +static pthread_cond_t commit_cond; +static pthread_mutex_t commit_cond_m; +static pthread_mutex_t analyze_mutex; +static bool innodb_inited = 0; + +#define INSIDE_HA_INNOBASE_CC + +/* In the Windows plugin, the return value of current_thd is +undefined. Map it to NULL. */ + +#define EQ_CURRENT_THD(thd) ((thd) == current_thd) + + +static struct handlerton* innodb_hton_ptr; + +static const long AUTOINC_OLD_STYLE_LOCKING = 0; +static const long AUTOINC_NEW_STYLE_LOCKING = 1; +static const long AUTOINC_NO_LOCKING = 2; + +static long innobase_mirrored_log_groups, innobase_log_files_in_group, + innobase_log_buffer_size, + innobase_additional_mem_pool_size, innobase_file_io_threads, + innobase_force_recovery, innobase_open_files, + innobase_autoinc_lock_mode; +static ulong innobase_commit_concurrency = 0; +static ulong innobase_read_io_threads; +static ulong innobase_write_io_threads; + +static long long innobase_buffer_pool_size, innobase_log_file_size; + +/** Percentage of the buffer pool to reserve for 'old' blocks. +Connected to buf_LRU_old_ratio. */ +static uint innobase_old_blocks_pct; + +/* The default values for the following char* start-up parameters +are determined in innobase_init below: */ + +static char* innobase_data_home_dir = NULL; +static char* innobase_data_file_path = NULL; +static char* innobase_log_group_home_dir = NULL; +static char* innobase_file_format_name = NULL; +static char* innobase_change_buffering = NULL; + +/* Note: This variable can be set to on/off and any of the supported +file formats in the configuration file, but can only be set to any +of the supported file formats during runtime. */ +static char* innobase_file_format_check = NULL; + +static char* innobase_file_flush_method = NULL; + +/* Below we have boolean-valued start-up parameters, and their default +values */ + +static ulong innobase_fast_shutdown = 1; +#ifdef UNIV_LOG_ARCHIVE +static my_bool innobase_log_archive = FALSE; +static char* innobase_log_arch_dir = NULL; +#endif /* UNIV_LOG_ARCHIVE */ +static my_bool innobase_use_doublewrite = TRUE; +static my_bool innobase_use_checksums = TRUE; +static my_bool innobase_locks_unsafe_for_binlog = FALSE; +static my_bool innobase_rollback_on_timeout = FALSE; +static my_bool innobase_create_status_file = FALSE; +static my_bool innobase_stats_on_metadata = TRUE; + +static char* internal_innobase_data_file_path = NULL; + +static char* innodb_version_str = (char*) INNODB_VERSION_STR; + +/* The following counter is used to convey information to InnoDB +about server activity: in selects it is not sensible to call +srv_active_wake_master_thread after each fetch or search, we only do +it every INNOBASE_WAKE_INTERVAL'th step. */ + +#define INNOBASE_WAKE_INTERVAL 32 +static ulong innobase_active_counter = 0; + +static hash_table_t* innobase_open_tables; + +#ifdef __NETWARE__ /* some special cleanup for NetWare */ +bool nw_panic = FALSE; +#endif + +/** Allowed values of innodb_change_buffering */ +static const char* innobase_change_buffering_values[IBUF_USE_COUNT] = { + "none", /* IBUF_USE_NONE */ + "inserts", /* IBUF_USE_INSERT */ + "deletes", /* IBUF_USE_DELETE_MARK */ + "changes", /* IBUF_USE_INSERT_DELETE_MARK */ + "purges", /* IBUF_USE_DELETE */ + "all" /* IBUF_USE_ALL */ +}; + +static INNOBASE_SHARE *get_share(const char *table_name); +static void free_share(INNOBASE_SHARE *share); +static int innobase_close_connection(handlerton *hton, THD* thd); +static int innobase_commit(handlerton *hton, THD* thd, bool all); +static int innobase_rollback(handlerton *hton, THD* thd, bool all); +static int innobase_rollback_to_savepoint(handlerton *hton, THD* thd, + void *savepoint); +static int innobase_savepoint(handlerton *hton, THD* thd, void *savepoint); +static int innobase_release_savepoint(handlerton *hton, THD* thd, + void *savepoint); +static handler *innobase_create_handler(handlerton *hton, + TABLE_SHARE *table, + MEM_ROOT *mem_root); + +/* "GEN_CLUST_INDEX" is the name reserved for Innodb default +system primary index. */ +static const char innobase_index_reserve_name[]= "GEN_CLUST_INDEX"; + +/** @brief Initialize the default value of innodb_commit_concurrency. + +Once InnoDB is running, the innodb_commit_concurrency must not change +from zero to nonzero. (Bug #42101) + +The initial default value is 0, and without this extra initialization, +SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter +to 0, even if it was initially set to nonzero at the command line +or configuration file. */ +static +void +innobase_commit_concurrency_init_default(void); +/*==========================================*/ + +/************************************************************//** +Validate the file format name and return its corresponding id. +@return valid file format id */ +static +uint +innobase_file_format_name_lookup( +/*=============================*/ + const char* format_name); /*!< in: pointer to file format + name */ +/************************************************************//** +Validate the file format check config parameters, as a side effect it +sets the srv_check_file_format_at_startup variable. +@return true if one of "on" or "off" */ +static +bool +innobase_file_format_check_on_off( +/*==============================*/ + const char* format_check); /*!< in: parameter value */ +/************************************************************//** +Validate the file format check config parameters, as a side effect it +sets the srv_check_file_format_at_startup variable. +@return the format_id if valid config value, otherwise, return -1 */ +static +int +innobase_file_format_validate_and_set( +/*================================*/ + const char* format_check); /*!< in: parameter value */ +/****************************************************************//** +Return alter table flags supported in an InnoDB database. */ +static +uint +innobase_alter_table_flags( +/*=======================*/ + uint flags); + +static const char innobase_hton_name[]= "InnoDB"; + +/*************************************************************//** +Check for a valid value of innobase_commit_concurrency. +@return 0 for valid innodb_commit_concurrency */ +static +int +innobase_commit_concurrency_validate( +/*=================================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system + variable */ + void* save, /*!< out: immediate result + for update function */ + struct st_mysql_value* value) /*!< in: incoming string */ +{ + long long intbuf; + ulong commit_concurrency; + + DBUG_ENTER("innobase_commit_concurrency_validate"); + + if (value->val_int(value, &intbuf)) { + /* The value is NULL. That is invalid. */ + DBUG_RETURN(1); + } + + *reinterpret_cast(save) = commit_concurrency + = static_cast(intbuf); + + /* Allow the value to be updated, as long as it remains zero + or nonzero. */ + DBUG_RETURN(!(!commit_concurrency == !innobase_commit_concurrency)); +} + +static MYSQL_THDVAR_BOOL(support_xa, PLUGIN_VAR_OPCMDARG, + "Enable InnoDB support for the XA two-phase commit", + /* check_func */ NULL, /* update_func */ NULL, + /* default */ TRUE); + +static MYSQL_THDVAR_BOOL(table_locks, PLUGIN_VAR_OPCMDARG, + "Enable InnoDB locking in LOCK TABLES", + /* check_func */ NULL, /* update_func */ NULL, + /* default */ TRUE); + +static MYSQL_THDVAR_BOOL(strict_mode, PLUGIN_VAR_OPCMDARG, + "Use strict mode when evaluating create options.", + NULL, NULL, FALSE); + +static MYSQL_THDVAR_ULONG(lock_wait_timeout, PLUGIN_VAR_RQCMDARG, + "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.", + NULL, NULL, 50, 1, 1024 * 1024 * 1024, 0); + + +static handler *innobase_create_handler(handlerton *hton, + TABLE_SHARE *table, + MEM_ROOT *mem_root) +{ + return new (mem_root) ha_innobase(hton, table); +} + +/*******************************************************************//** +This function is used to prepare an X/Open XA distributed transaction. +@return 0 or error number */ +static +int +innobase_xa_prepare( +/*================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of + the user whose XA transaction should + be prepared */ + bool all); /*!< in: TRUE - commit transaction + FALSE - the current SQL statement + ended */ +/*******************************************************************//** +This function is used to recover X/Open XA distributed transactions. +@return number of prepared transactions stored in xid_list */ +static +int +innobase_xa_recover( +/*================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid_list,/*!< in/out: prepared transactions */ + uint len); /*!< in: number of slots in xid_list */ +/*******************************************************************//** +This function is used to commit one X/Open XA distributed transaction +which is in the prepared state +@return 0 or error number */ +static +int +innobase_commit_by_xid( +/*===================*/ + handlerton* hton, + XID* xid); /*!< in: X/Open XA transaction identification */ +/*******************************************************************//** +This function is used to rollback one X/Open XA distributed transaction +which is in the prepared state +@return 0 or error number */ +static +int +innobase_rollback_by_xid( +/*=====================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid); /*!< in: X/Open XA transaction + identification */ +/*******************************************************************//** +Create a consistent view for a cursor based on current transaction +which is created if the corresponding MySQL thread still lacks one. +This consistent view is then used inside of MySQL when accessing records +using a cursor. +@return pointer to cursor view or NULL */ +static +void* +innobase_create_cursor_view( +/*========================*/ + handlerton* hton, /*!< in: innobase hton */ + THD* thd); /*!< in: user thread handle */ +/*******************************************************************//** +Set the given consistent cursor view to a transaction which is created +if the corresponding MySQL thread still lacks one. If the given +consistent cursor view is NULL global read view of a transaction is +restored to a transaction read view. */ +static +void +innobase_set_cursor_view( +/*=====================*/ + handlerton* hton, + THD* thd, /*!< in: user thread handle */ + void* curview);/*!< in: Consistent cursor view to be set */ +/*******************************************************************//** +Close the given consistent cursor view of a transaction and restore +global read view to a transaction read view. Transaction is created if the +corresponding MySQL thread still lacks one. */ +static +void +innobase_close_cursor_view( +/*=======================*/ + handlerton* hton, + THD* thd, /*!< in: user thread handle */ + void* curview);/*!< in: Consistent read view to be closed */ +/*****************************************************************//** +Removes all tables in the named database inside InnoDB. */ +static +void +innobase_drop_database( +/*===================*/ + handlerton* hton, /*!< in: handlerton of Innodb */ + char* path); /*!< in: database path; inside InnoDB the name + of the last directory in the path is used as + the database name: for example, in 'mysql/data/test' + the database name is 'test' */ +/*******************************************************************//** +Closes an InnoDB database. */ +static +int +innobase_end(handlerton *hton, ha_panic_function type); + +/*****************************************************************//** +Creates an InnoDB transaction struct for the thd if it does not yet have one. +Starts a new InnoDB transaction if a transaction is not yet started. And +assigns a new snapshot for a consistent read if the transaction does not yet +have one. +@return 0 */ +static +int +innobase_start_trx_and_assign_read_view( +/*====================================*/ + handlerton* hton, /*!< in: Innodb handlerton */ + THD* thd); /*!< in: MySQL thread handle of the user for whom + the transaction should be committed */ +/****************************************************************//** +Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes +the logs, and the name of this function should be innobase_checkpoint. +@return TRUE if error */ +static +bool +innobase_flush_logs( +/*================*/ + handlerton* hton); /*!< in: InnoDB handlerton */ + +/************************************************************************//** +Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB +Monitor to the client. */ +static +bool +innodb_show_status( +/*===============*/ + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the caller */ + stat_print_fn *stat_print); +static +bool innobase_show_status(handlerton *hton, THD* thd, + stat_print_fn* stat_print, + enum ha_stat_type stat_type); + +/*****************************************************************//** +Commits a transaction in an InnoDB database. */ +static +void +innobase_commit_low( +/*================*/ + trx_t* trx); /*!< in: transaction handle */ + +static SHOW_VAR innodb_status_variables[]= { + {"buffer_pool_pages_data", + (char*) &export_vars.innodb_buffer_pool_pages_data, SHOW_LONG}, + {"buffer_pool_pages_dirty", + (char*) &export_vars.innodb_buffer_pool_pages_dirty, SHOW_LONG}, + {"buffer_pool_pages_flushed", + (char*) &export_vars.innodb_buffer_pool_pages_flushed, SHOW_LONG}, + {"buffer_pool_pages_free", + (char*) &export_vars.innodb_buffer_pool_pages_free, SHOW_LONG}, +#ifdef UNIV_DEBUG + {"buffer_pool_pages_latched", + (char*) &export_vars.innodb_buffer_pool_pages_latched, SHOW_LONG}, +#endif /* UNIV_DEBUG */ + {"buffer_pool_pages_misc", + (char*) &export_vars.innodb_buffer_pool_pages_misc, SHOW_LONG}, + {"buffer_pool_pages_total", + (char*) &export_vars.innodb_buffer_pool_pages_total, SHOW_LONG}, + {"buffer_pool_read_ahead", + (char*) &export_vars.innodb_buffer_pool_read_ahead, SHOW_LONG}, + {"buffer_pool_read_ahead_evicted", + (char*) &export_vars.innodb_buffer_pool_read_ahead_evicted, SHOW_LONG}, + {"buffer_pool_read_requests", + (char*) &export_vars.innodb_buffer_pool_read_requests, SHOW_LONG}, + {"buffer_pool_reads", + (char*) &export_vars.innodb_buffer_pool_reads, SHOW_LONG}, + {"buffer_pool_wait_free", + (char*) &export_vars.innodb_buffer_pool_wait_free, SHOW_LONG}, + {"buffer_pool_write_requests", + (char*) &export_vars.innodb_buffer_pool_write_requests, SHOW_LONG}, + {"data_fsyncs", + (char*) &export_vars.innodb_data_fsyncs, SHOW_LONG}, + {"data_pending_fsyncs", + (char*) &export_vars.innodb_data_pending_fsyncs, SHOW_LONG}, + {"data_pending_reads", + (char*) &export_vars.innodb_data_pending_reads, SHOW_LONG}, + {"data_pending_writes", + (char*) &export_vars.innodb_data_pending_writes, SHOW_LONG}, + {"data_read", + (char*) &export_vars.innodb_data_read, SHOW_LONG}, + {"data_reads", + (char*) &export_vars.innodb_data_reads, SHOW_LONG}, + {"data_writes", + (char*) &export_vars.innodb_data_writes, SHOW_LONG}, + {"data_written", + (char*) &export_vars.innodb_data_written, SHOW_LONG}, + {"dblwr_pages_written", + (char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG}, + {"dblwr_writes", + (char*) &export_vars.innodb_dblwr_writes, SHOW_LONG}, + {"have_atomic_builtins", + (char*) &export_vars.innodb_have_atomic_builtins, SHOW_BOOL}, + {"log_waits", + (char*) &export_vars.innodb_log_waits, SHOW_LONG}, + {"log_write_requests", + (char*) &export_vars.innodb_log_write_requests, SHOW_LONG}, + {"log_writes", + (char*) &export_vars.innodb_log_writes, SHOW_LONG}, + {"os_log_fsyncs", + (char*) &export_vars.innodb_os_log_fsyncs, SHOW_LONG}, + {"os_log_pending_fsyncs", + (char*) &export_vars.innodb_os_log_pending_fsyncs, SHOW_LONG}, + {"os_log_pending_writes", + (char*) &export_vars.innodb_os_log_pending_writes, SHOW_LONG}, + {"os_log_written", + (char*) &export_vars.innodb_os_log_written, SHOW_LONG}, + {"page_size", + (char*) &export_vars.innodb_page_size, SHOW_LONG}, + {"pages_created", + (char*) &export_vars.innodb_pages_created, SHOW_LONG}, + {"pages_read", + (char*) &export_vars.innodb_pages_read, SHOW_LONG}, + {"pages_written", + (char*) &export_vars.innodb_pages_written, SHOW_LONG}, + {"row_lock_current_waits", + (char*) &export_vars.innodb_row_lock_current_waits, SHOW_LONG}, + {"row_lock_time", + (char*) &export_vars.innodb_row_lock_time, SHOW_LONGLONG}, + {"row_lock_time_avg", + (char*) &export_vars.innodb_row_lock_time_avg, SHOW_LONG}, + {"row_lock_time_max", + (char*) &export_vars.innodb_row_lock_time_max, SHOW_LONG}, + {"row_lock_waits", + (char*) &export_vars.innodb_row_lock_waits, SHOW_LONG}, + {"rows_deleted", + (char*) &export_vars.innodb_rows_deleted, SHOW_LONG}, + {"rows_inserted", + (char*) &export_vars.innodb_rows_inserted, SHOW_LONG}, + {"rows_read", + (char*) &export_vars.innodb_rows_read, SHOW_LONG}, + {"rows_updated", + (char*) &export_vars.innodb_rows_updated, SHOW_LONG}, + {NullS, NullS, SHOW_LONG} +}; + +/* General functions */ + +/******************************************************************//** +Returns true if the thread is the replication thread on the slave +server. Used in srv_conc_enter_innodb() to determine if the thread +should be allowed to enter InnoDB - the replication thread is treated +differently than other threads. Also used in +srv_conc_force_exit_innodb(). +@return true if thd is the replication thread */ +extern "C" UNIV_INTERN +ibool +thd_is_replication_slave_thread( +/*============================*/ + void* thd) /*!< in: thread handle (THD*) */ +{ + return((ibool) thd_slave_thread((THD*) thd)); +} + +/******************************************************************//** +Save some CPU by testing the value of srv_thread_concurrency in inline +functions. */ +static inline +void +innodb_srv_conc_enter_innodb( +/*=========================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + if (UNIV_LIKELY(!srv_thread_concurrency)) { + + return; + } + + srv_conc_enter_innodb(trx); +} + +/******************************************************************//** +Save some CPU by testing the value of srv_thread_concurrency in inline +functions. */ +static inline +void +innodb_srv_conc_exit_innodb( +/*========================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + if (UNIV_LIKELY(!trx->declared_to_be_inside_innodb)) { + + return; + } + + srv_conc_exit_innodb(trx); +} + +/******************************************************************//** +Releases possible search latch and InnoDB thread FIFO ticket. These should +be released at each SQL statement end, and also when mysqld passes the +control to the client. It does no harm to release these also in the middle +of an SQL statement. */ +static inline +void +innobase_release_stat_resources( +/*============================*/ + trx_t* trx) /*!< in: transaction object */ +{ + if (trx->has_search_latch) { + trx_search_latch_release_if_reserved(trx); + } + + if (trx->declared_to_be_inside_innodb) { + /* Release our possible ticket in the FIFO */ + + srv_conc_force_exit_innodb(trx); + } +} + +/******************************************************************//** +Returns true if the transaction this thread is processing has edited +non-transactional tables. Used by the deadlock detector when deciding +which transaction to rollback in case of a deadlock - we try to avoid +rolling back transactions that have edited non-transactional tables. +@return true if non-transactional tables have been edited */ +extern "C" UNIV_INTERN +ibool +thd_has_edited_nontrans_tables( +/*===========================*/ + void* thd) /*!< in: thread handle (THD*) */ +{ + return((ibool) thd_non_transactional_update((THD*) thd)); +} + +/******************************************************************//** +Returns true if the thread is executing a SELECT statement. +@return true if thd is executing SELECT */ +extern "C" UNIV_INTERN +ibool +thd_is_select( +/*==========*/ + const void* thd) /*!< in: thread handle (THD*) */ +{ + return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); +} + +/******************************************************************//** +Returns true if the thread supports XA, +global value of innodb_supports_xa if thd is NULL. +@return true if thd has XA support */ +extern "C" UNIV_INTERN +ibool +thd_supports_xa( +/*============*/ + void* thd) /*!< in: thread handle (THD*), or NULL to query + the global innodb_supports_xa */ +{ + return(THDVAR((THD*) thd, support_xa)); +} + +/******************************************************************//** +Returns the lock wait timeout for the current connection. +@return the lock wait timeout, in seconds */ +extern "C" UNIV_INTERN +ulong +thd_lock_wait_timeout( +/*==================*/ + void* thd) /*!< in: thread handle (THD*), or NULL to query + the global innodb_lock_wait_timeout */ +{ + /* According to , passing thd == NULL + returns the global value of the session variable. */ + return(THDVAR((THD*) thd, lock_wait_timeout)); +} + +/********************************************************************//** +Obtain the InnoDB transaction of a MySQL thread. +@return reference to transaction pointer */ +static inline +trx_t*& +thd_to_trx( +/*=======*/ + THD* thd) /*!< in: MySQL thread */ +{ + return(*(trx_t**) thd_ha_data(thd, innodb_hton_ptr)); +} + +/********************************************************************//** +Call this function when mysqld passes control to the client. That is to +avoid deadlocks on the adaptive hash S-latch possibly held by thd. For more +documentation, see handler.cc. +@return 0 */ +static +int +innobase_release_temporary_latches( +/*===============================*/ + handlerton* hton, /*!< in: handlerton */ + THD* thd) /*!< in: MySQL thread */ +{ + trx_t* trx; + + DBUG_ASSERT(hton == innodb_hton_ptr); + + if (!innodb_inited) { + + return(0); + } + + trx = thd_to_trx(thd); + + if (trx) { + innobase_release_stat_resources(trx); + } + return(0); +} + +/********************************************************************//** +Increments innobase_active_counter and every INNOBASE_WAKE_INTERVALth +time calls srv_active_wake_master_thread. This function should be used +when a single database operation may introduce a small need for +server utility activity, like checkpointing. */ +static inline +void +innobase_active_small(void) +/*=======================*/ +{ + innobase_active_counter++; + + if ((innobase_active_counter % INNOBASE_WAKE_INTERVAL) == 0) { + srv_active_wake_master_thread(); + } +} + +/********************************************************************//** +Converts an InnoDB error code to a MySQL error code and also tells to MySQL +about a possible transaction rollback inside InnoDB caused by a lock wait +timeout or a deadlock. +@return MySQL error code */ +extern "C" UNIV_INTERN +int +convert_error_code_to_mysql( +/*========================*/ + int error, /*!< in: InnoDB error code */ + ulint flags, /*!< in: InnoDB table flags, or 0 */ + THD* thd) /*!< in: user thread handle or NULL */ +{ + switch (error) { + case DB_SUCCESS: + return(0); + + case DB_INTERRUPTED: + my_error(ER_QUERY_INTERRUPTED, MYF(0)); + /* fall through */ + case DB_ERROR: + default: + return(-1); /* unspecified error */ + + case DB_DUPLICATE_KEY: + /* Be cautious with returning this error, since + mysql could re-enter the storage layer to get + duplicated key info, the operation requires a + valid table handle and/or transaction information, + which might not always be available in the error + handling stage. */ + return(HA_ERR_FOUND_DUPP_KEY); + + case DB_FOREIGN_DUPLICATE_KEY: + return(HA_ERR_FOREIGN_DUPLICATE_KEY); + + case DB_MISSING_HISTORY: + return(HA_ERR_TABLE_DEF_CHANGED); + + case DB_RECORD_NOT_FOUND: + return(HA_ERR_NO_ACTIVE_RECORD); + + case DB_DEADLOCK: + /* Since we rolled back the whole transaction, we must + tell it also to MySQL so that MySQL knows to empty the + cached binlog for this transaction */ + + if (thd) { + thd_mark_transaction_to_rollback(thd, TRUE); + } + + return(HA_ERR_LOCK_DEADLOCK); + + case DB_LOCK_WAIT_TIMEOUT: + /* Starting from 5.0.13, we let MySQL just roll back the + latest SQL statement in a lock wait timeout. Previously, we + rolled back the whole transaction. */ + + if (thd) { + thd_mark_transaction_to_rollback( + thd, (bool)row_rollback_on_timeout); + } + + return(HA_ERR_LOCK_WAIT_TIMEOUT); + + case DB_NO_REFERENCED_ROW: + return(HA_ERR_NO_REFERENCED_ROW); + + case DB_ROW_IS_REFERENCED: + return(HA_ERR_ROW_IS_REFERENCED); + + case DB_CANNOT_ADD_CONSTRAINT: + return(HA_ERR_CANNOT_ADD_FOREIGN); + + case DB_CANNOT_DROP_CONSTRAINT: + + return(HA_ERR_ROW_IS_REFERENCED); /* TODO: This is a bit + misleading, a new MySQL error + code should be introduced */ + + case DB_COL_APPEARS_TWICE_IN_INDEX: + case DB_CORRUPTION: + return(HA_ERR_CRASHED); + + case DB_OUT_OF_FILE_SPACE: + return(HA_ERR_RECORD_FILE_FULL); + + case DB_TABLE_IS_BEING_USED: + return(HA_ERR_WRONG_COMMAND); + + case DB_TABLE_NOT_FOUND: + return(HA_ERR_NO_SUCH_TABLE); + + case DB_TOO_BIG_RECORD: + my_error(ER_TOO_BIG_ROWSIZE, MYF(0), + page_get_free_space_of_empty(flags + & DICT_TF_COMPACT) / 2); + return(HA_ERR_TO_BIG_ROW); + + case DB_NO_SAVEPOINT: + return(HA_ERR_NO_SAVEPOINT); + + case DB_LOCK_TABLE_FULL: + /* Since we rolled back the whole transaction, we must + tell it also to MySQL so that MySQL knows to empty the + cached binlog for this transaction */ + + if (thd) { + thd_mark_transaction_to_rollback(thd, TRUE); + } + + return(HA_ERR_LOCK_TABLE_FULL); + + case DB_PRIMARY_KEY_IS_NULL: + return(ER_PRIMARY_CANT_HAVE_NULL); + + case DB_TOO_MANY_CONCURRENT_TRXS: + /* New error code HA_ERR_TOO_MANY_CONCURRENT_TRXS is only + available in 5.1.38 and later, but the plugin should still + work with previous versions of MySQL. */ +#ifdef HA_ERR_TOO_MANY_CONCURRENT_TRXS + return(HA_ERR_TOO_MANY_CONCURRENT_TRXS); +#else /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ + return(HA_ERR_RECORD_FILE_FULL); +#endif /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ + case DB_UNSUPPORTED: + return(HA_ERR_UNSUPPORTED); + } +} + +/*************************************************************//** +Prints info of a THD object (== user session thread) to the given file. */ +extern "C" UNIV_INTERN +void +innobase_mysql_print_thd( +/*=====================*/ + FILE* f, /*!< in: output stream */ + void* thd, /*!< in: pointer to a MySQL THD object */ + uint max_query_len) /*!< in: max query length to print, or 0 to + use the default max length */ +{ + char buffer[1024]; + + fputs(thd_security_context((THD*) thd, buffer, sizeof buffer, + max_query_len), f); + putc('\n', f); +} + +/******************************************************************//** +Get the variable length bounds of the given character set. */ +extern "C" UNIV_INTERN +void +innobase_get_cset_width( +/*====================*/ + ulint cset, /*!< in: MySQL charset-collation code */ + ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ + ulint* mbmaxlen) /*!< out: maximum length of a char (in bytes) */ +{ + CHARSET_INFO* cs; + ut_ad(cset < 256); + ut_ad(mbminlen); + ut_ad(mbmaxlen); + + cs = all_charsets[cset]; + if (cs) { + *mbminlen = cs->mbminlen; + *mbmaxlen = cs->mbmaxlen; + } else { + THD* thd = current_thd; + + if (thd && thd_sql_command(thd) == SQLCOM_DROP_TABLE) { + + /* Fix bug#46256: allow tables to be dropped if the + collation is not found, but issue a warning. */ + if ((global_system_variables.log_warnings) + && (cset != 0)){ + + sql_print_warning( + "Unknown collation #%lu.", cset); + } + } else { + + ut_a(cset == 0); + } + + *mbminlen = *mbmaxlen = 0; + } +} + +/******************************************************************//** +Converts an identifier to a table name. */ +extern "C" UNIV_INTERN +void +innobase_convert_from_table_id( +/*===========================*/ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len) /*!< in: length of 'to', in bytes */ +{ + uint errors; + + strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors); +} + +/******************************************************************//** +Converts an identifier to UTF-8. */ +extern "C" UNIV_INTERN +void +innobase_convert_from_id( +/*=====================*/ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len) /*!< in: length of 'to', in bytes */ +{ + uint errors; + + strconvert(cs, from, system_charset_info, to, (uint) len, &errors); +} + +/******************************************************************//** +Compares NUL-terminated UTF-8 strings case insensitively. +@return 0 if a=b, <0 if a1 if a>b */ +extern "C" UNIV_INTERN +int +innobase_strcasecmp( +/*================*/ + const char* a, /*!< in: first string to compare */ + const char* b) /*!< in: second string to compare */ +{ + return(my_strcasecmp(system_charset_info, a, b)); +} + +/******************************************************************//** +Makes all characters in a NUL-terminated UTF-8 string lower case. */ +extern "C" UNIV_INTERN +void +innobase_casedn_str( +/*================*/ + char* a) /*!< in/out: string to put in lower case */ +{ + my_casedn_str(system_charset_info, a); +} + +/**********************************************************************//** +Determines the connection character set. +@return connection character set */ +extern "C" UNIV_INTERN +struct charset_info_st* +innobase_get_charset( +/*=================*/ + void* mysql_thd) /*!< in: MySQL thread handle */ +{ + return(thd_charset((THD*) mysql_thd)); +} + +#if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) +extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list; +/*******************************************************************//** +Map an OS error to an errno value. The OS error number is stored in +_doserrno and the mapped value is stored in errno) */ +extern "C" +void __cdecl +_dosmaperr( + unsigned long); /*!< in: OS error value */ + +/*********************************************************************//** +Creates a temporary file. +@return temporary file descriptor, or < 0 on error */ +extern "C" UNIV_INTERN +int +innobase_mysql_tmpfile(void) +/*========================*/ +{ + int fd; /* handle of opened file */ + HANDLE osfh; /* OS handle of opened file */ + char* tmpdir; /* point to the directory + where to create file */ + TCHAR path_buf[MAX_PATH - 14]; /* buffer for tmp file path. + The length cannot be longer + than MAX_PATH - 14, or + GetTempFileName will fail. */ + char filename[MAX_PATH]; /* name of the tmpfile */ + DWORD fileaccess = GENERIC_READ /* OS file access */ + | GENERIC_WRITE + | DELETE; + DWORD fileshare = FILE_SHARE_READ /* OS file sharing mode */ + | FILE_SHARE_WRITE + | FILE_SHARE_DELETE; + DWORD filecreate = CREATE_ALWAYS; /* OS method of open/create */ + DWORD fileattrib = /* OS file attribute flags */ + FILE_ATTRIBUTE_NORMAL + | FILE_FLAG_DELETE_ON_CLOSE + | FILE_ATTRIBUTE_TEMPORARY + | FILE_FLAG_SEQUENTIAL_SCAN; + + DBUG_ENTER("innobase_mysql_tmpfile"); + + tmpdir = my_tmpdir(&mysql_tmpdir_list); + + /* The tmpdir parameter can not be NULL for GetTempFileName. */ + if (!tmpdir) { + uint ret; + + /* Use GetTempPath to determine path for temporary files. */ + ret = GetTempPath(sizeof(path_buf), path_buf); + if (ret > sizeof(path_buf) || (ret == 0)) { + + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + tmpdir = path_buf; + } + + /* Use GetTempFileName to generate a unique filename. */ + if (!GetTempFileName(tmpdir, "ib", 0, filename)) { + + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + DBUG_PRINT("info", ("filename: %s", filename)); + + /* Open/Create the file. */ + osfh = CreateFile(filename, fileaccess, fileshare, NULL, + filecreate, fileattrib, NULL); + if (osfh == INVALID_HANDLE_VALUE) { + + /* open/create file failed! */ + _dosmaperr(GetLastError()); /* map error */ + DBUG_RETURN(-1); + } + + do { + /* Associates a CRT file descriptor with the OS file handle. */ + fd = _open_osfhandle((intptr_t) osfh, 0); + } while (fd == -1 && errno == EINTR); + + if (fd == -1) { + /* Open failed, close the file handle. */ + + _dosmaperr(GetLastError()); /* map error */ + CloseHandle(osfh); /* no need to check if + CloseHandle fails */ + } + + DBUG_RETURN(fd); +} +#else +/*********************************************************************//** +Creates a temporary file. +@return temporary file descriptor, or < 0 on error */ +extern "C" UNIV_INTERN +int +innobase_mysql_tmpfile(void) +/*========================*/ +{ + int fd2 = -1; + File fd = mysql_tmpfile("ib"); + if (fd >= 0) { + /* Copy the file descriptor, so that the additional resources + allocated by create_temp_file() can be freed by invoking + my_close(). + + Because the file descriptor returned by this function + will be passed to fdopen(), it will be closed by invoking + fclose(), which in turn will invoke close() instead of + my_close(). */ + +#ifdef _WIN32 + /* Note that on Windows, the integer returned by mysql_tmpfile + has no relation to C runtime file descriptor. Here, we need + to call my_get_osfhandle to get the HANDLE and then convert it + to C runtime filedescriptor. */ + { + HANDLE hFile = my_get_osfhandle(fd); + HANDLE hDup; + BOOL bOK = + DuplicateHandle(GetCurrentProcess(), hFile, GetCurrentProcess(), + &hDup, 0, FALSE, DUPLICATE_SAME_ACCESS); + if(bOK) { + fd2 = _open_osfhandle((intptr_t)hDup,0); + } + else { + my_osmaperr(GetLastError()); + fd2 = -1; + } + } +#else + fd2 = dup(fd); +#endif + if (fd2 < 0) { + DBUG_PRINT("error",("Got error %d on dup",fd2)); + my_errno=errno; + my_error(EE_OUT_OF_FILERESOURCES, + MYF(ME_BELL+ME_WAITTANG), + "ib*", my_errno); + } + my_close(fd, MYF(MY_WME)); + } + return(fd2); +} +#endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ + +/*********************************************************************//** +Wrapper around MySQL's copy_and_convert function. +@return number of bytes copied to 'to' */ +extern "C" UNIV_INTERN +ulint +innobase_convert_string( +/*====================*/ + void* to, /*!< out: converted string */ + ulint to_length, /*!< in: number of bytes reserved + for the converted string */ + CHARSET_INFO* to_cs, /*!< in: character set to convert to */ + const void* from, /*!< in: string to convert */ + ulint from_length, /*!< in: number of bytes to convert */ + CHARSET_INFO* from_cs, /*!< in: character set to convert from */ + uint* errors) /*!< out: number of errors encountered + during the conversion */ +{ + return(copy_and_convert((char*)to, (uint32) to_length, to_cs, + (const char*)from, (uint32) from_length, from_cs, + errors)); +} + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes +the result to "buf". The result is converted to "system_charset_info". +Not more than "buf_size" bytes are written to "buf". +The result is always NUL-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating NUL). +@return number of bytes that were written */ +extern "C" UNIV_INTERN +ulint +innobase_raw_format( +/*================*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + ulint charset_coll, /*!< in: charset collation */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size + in bytes */ +{ + /* XXX we use a hard limit instead of allocating + but_size bytes from the heap */ + CHARSET_INFO* data_cs; + char buf_tmp[8192]; + ulint buf_tmp_used; + uint num_errors; + + data_cs = all_charsets[charset_coll]; + + buf_tmp_used = innobase_convert_string(buf_tmp, sizeof(buf_tmp), + system_charset_info, + data, data_len, data_cs, + &num_errors); + + return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); +} + +/*********************************************************************//** +Compute the next autoinc value. + +For MySQL replication the autoincrement values can be partitioned among +the nodes. The offset is the start or origin of the autoincrement value +for a particular node. For n nodes the increment will be n and the offset +will be in the interval [1, n]. The formula tries to allocate the next +value for a particular node. + +Note: This function is also called with increment set to the number of +values we want to reserve for multi-value inserts e.g., + + INSERT INTO T VALUES(), (), (); + +innobase_next_autoinc() will be called with increment set to +n * 3 where autoinc_lock_mode != TRADITIONAL because we want +to reserve 3 values for the multi-value INSERT above. +@return the next value */ +static +ulonglong +innobase_next_autoinc( +/*==================*/ + ulonglong current, /*!< in: Current value */ + ulonglong increment, /*!< in: increment current by */ + ulonglong offset, /*!< in: AUTOINC offset */ + ulonglong max_value) /*!< in: max value for type */ +{ + ulonglong next_value; + + /* Should never be 0. */ + ut_a(increment > 0); + + /* According to MySQL documentation, if the offset is greater than + the increment then the offset is ignored. */ + if (offset > increment) { + offset = 0; + } + + if (max_value <= current) { + next_value = max_value; + } else if (offset <= 1) { + /* Offset 0 and 1 are the same, because there must be at + least one node in the system. */ + if (max_value - current <= increment) { + next_value = max_value; + } else { + next_value = current + increment; + } + } else if (max_value > current) { + if (current > offset) { + next_value = ((current - offset) / increment) + 1; + } else { + next_value = ((offset - current) / increment) + 1; + } + + ut_a(increment > 0); + ut_a(next_value > 0); + + /* Check for multiplication overflow. */ + if (increment > (max_value / next_value)) { + + next_value = max_value; + } else { + next_value *= increment; + + ut_a(max_value >= next_value); + + /* Check for overflow. */ + if (max_value - next_value <= offset) { + next_value = max_value; + } else { + next_value += offset; + } + } + } else { + next_value = max_value; + } + + ut_a(next_value <= max_value); + + return(next_value); +} + +/*********************************************************************//** +Initializes some fields in an InnoDB transaction object. */ +static +void +innobase_trx_init( +/*==============*/ + THD* thd, /*!< in: user thread handle */ + trx_t* trx) /*!< in/out: InnoDB transaction handle */ +{ + DBUG_ENTER("innobase_trx_init"); + DBUG_ASSERT(EQ_CURRENT_THD(thd)); + DBUG_ASSERT(thd == trx->mysql_thd); + + trx->check_foreigns = !thd_test_options( + thd, OPTION_NO_FOREIGN_KEY_CHECKS); + + trx->check_unique_secondary = !thd_test_options( + thd, OPTION_RELAXED_UNIQUE_CHECKS); + + DBUG_VOID_RETURN; +} + +/*********************************************************************//** +Allocates an InnoDB transaction for a MySQL handler object. +@return InnoDB transaction handle */ +extern "C" UNIV_INTERN +trx_t* +innobase_trx_allocate( +/*==================*/ + THD* thd) /*!< in: user thread handle */ +{ + trx_t* trx; + + DBUG_ENTER("innobase_trx_allocate"); + DBUG_ASSERT(thd != NULL); + DBUG_ASSERT(EQ_CURRENT_THD(thd)); + + trx = trx_allocate_for_mysql(); + + trx->mysql_thd = thd; + trx->mysql_query_str = thd_query(thd); + + innobase_trx_init(thd, trx); + + DBUG_RETURN(trx); +} + +/*********************************************************************//** +Gets the InnoDB transaction handle for a MySQL handler object, creates +an InnoDB transaction struct if the corresponding MySQL thread struct still +lacks one. +@return InnoDB transaction handle */ +static +trx_t* +check_trx_exists( +/*=============*/ + THD* thd) /*!< in: user thread handle */ +{ + trx_t*& trx = thd_to_trx(thd); + + ut_ad(EQ_CURRENT_THD(thd)); + + if (trx == NULL) { + trx = innobase_trx_allocate(thd); + } else if (UNIV_UNLIKELY(trx->magic_n != TRX_MAGIC_N)) { + mem_analyze_corruption(trx); + ut_error; + } + + innobase_trx_init(thd, trx); + + return(trx); +} + + +/*********************************************************************//** +Construct ha_innobase handler. */ +UNIV_INTERN +ha_innobase::ha_innobase(handlerton *hton, TABLE_SHARE *table_arg) + :handler(hton, table_arg), + int_table_flags(HA_REC_NOT_IN_SEQ | + HA_NULL_IN_KEY | + HA_CAN_INDEX_BLOBS | + HA_CAN_SQL_HANDLER | + HA_PRIMARY_KEY_REQUIRED_FOR_POSITION | + HA_PRIMARY_KEY_IN_READ_INDEX | + HA_BINLOG_ROW_CAPABLE | + HA_CAN_GEOMETRY | HA_PARTIAL_COLUMN_READ | + HA_TABLE_SCAN_ON_INDEX), + start_of_scan(0), + num_write_row(0) +{} + +/*********************************************************************//** +Destruct ha_innobase handler. */ +UNIV_INTERN +ha_innobase::~ha_innobase() +{ +} + +/*********************************************************************//** +Updates the user_thd field in a handle and also allocates a new InnoDB +transaction handle if needed, and updates the transaction fields in the +prebuilt struct. */ +UNIV_INTERN inline +void +ha_innobase::update_thd( +/*====================*/ + THD* thd) /*!< in: thd to use the handle */ +{ + trx_t* trx; + + trx = check_trx_exists(thd); + + if (prebuilt->trx != trx) { + + row_update_prebuilt_trx(prebuilt, trx); + } + + user_thd = thd; +} + +/*********************************************************************//** +Updates the user_thd field in a handle and also allocates a new InnoDB +transaction handle if needed, and updates the transaction fields in the +prebuilt struct. */ +UNIV_INTERN +void +ha_innobase::update_thd() +/*=====================*/ +{ + THD* thd = ha_thd(); + ut_ad(EQ_CURRENT_THD(thd)); + update_thd(thd); +} + +/*********************************************************************//** +Registers that InnoDB takes part in an SQL statement, so that MySQL knows to +roll back the statement if the statement results in an error. This MUST be +called for every SQL statement that may be rolled back by MySQL. Calling this +several times to register the same statement is allowed, too. */ +static inline +void +innobase_register_stmt( +/*===================*/ + handlerton* hton, /*!< in: Innobase hton */ + THD* thd) /*!< in: MySQL thd (connection) object */ +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + /* Register the statement */ + trans_register_ha(thd, FALSE, hton); +} + +/*********************************************************************//** +Registers an InnoDB transaction in MySQL, so that the MySQL XA code knows +to call the InnoDB prepare and commit, or rollback for the transaction. This +MUST be called for every transaction for which the user may call commit or +rollback. Calling this several times to register the same transaction is +allowed, too. +This function also registers the current SQL statement. */ +static inline +void +innobase_register_trx_and_stmt( +/*===========================*/ + handlerton *hton, /*!< in: Innobase handlerton */ + THD* thd) /*!< in: MySQL thd (connection) object */ +{ + /* NOTE that actually innobase_register_stmt() registers also + the transaction in the AUTOCOMMIT=1 mode. */ + + innobase_register_stmt(hton, thd); + + if (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + + /* No autocommit mode, register for a transaction */ + trans_register_ha(thd, TRUE, hton); + } +} + +/* BACKGROUND INFO: HOW THE MYSQL QUERY CACHE WORKS WITH INNODB + ------------------------------------------------------------ + +1) The use of the query cache for TBL is disabled when there is an +uncommitted change to TBL. + +2) When a change to TBL commits, InnoDB stores the current value of +its global trx id counter, let us denote it by INV_TRX_ID, to the table object +in the InnoDB data dictionary, and does only allow such transactions whose +id <= INV_TRX_ID to use the query cache. + +3) When InnoDB does an INSERT/DELETE/UPDATE to a table TBL, or an implicit +modification because an ON DELETE CASCADE, we invalidate the MySQL query cache +of TBL immediately. + +How this is implemented inside InnoDB: + +1) Since every modification always sets an IX type table lock on the InnoDB +table, it is easy to check if there can be uncommitted modifications for a +table: just check if there are locks in the lock list of the table. + +2) When a transaction inside InnoDB commits, it reads the global trx id +counter and stores the value INV_TRX_ID to the tables on which it had a lock. + +3) If there is an implicit table change from ON DELETE CASCADE or SET NULL, +InnoDB calls an invalidate method for the MySQL query cache for that table. + +How this is implemented inside sql_cache.cc: + +1) The query cache for an InnoDB table TBL is invalidated immediately at an +INSERT/UPDATE/DELETE, just like in the case of MyISAM. No need to delay +invalidation to the transaction commit. + +2) To store or retrieve a value from the query cache of an InnoDB table TBL, +any query must first ask InnoDB's permission. We must pass the thd as a +parameter because InnoDB will look at the trx id, if any, associated with +that thd. + +3) Use of the query cache for InnoDB tables is now allowed also when +AUTOCOMMIT==0 or we are inside BEGIN ... COMMIT. Thus transactions no longer +put restrictions on the use of the query cache. +*/ + +/******************************************************************//** +The MySQL query cache uses this to check from InnoDB if the query cache at +the moment is allowed to operate on an InnoDB table. The SQL query must +be a non-locking SELECT. + +The query cache is allowed to operate on certain query only if this function +returns TRUE for all tables in the query. + +If thd is not in the autocommit state, this function also starts a new +transaction for thd if there is no active trx yet, and assigns a consistent +read view to it if there is no read view yet. + +Why a deadlock of threads is not possible: the query cache calls this function +at the start of a SELECT processing. Then the calling thread cannot be +holding any InnoDB semaphores. The calling thread is holding the +query cache mutex, and this function will reserver the InnoDB kernel mutex. +Thus, the 'rank' in sync0sync.h of the MySQL query cache mutex is above +the InnoDB kernel mutex. +@return TRUE if permitted, FALSE if not; note that the value FALSE +does not mean we should invalidate the query cache: invalidation is +called explicitly */ +static +my_bool +innobase_query_caching_of_table_permitted( +/*======================================*/ + THD* thd, /*!< in: thd of the user who is trying to + store a result to the query cache or + retrieve it */ + char* full_name, /*!< in: concatenation of database name, + the null character NUL, and the table + name */ + uint full_name_len, /*!< in: length of the full name, i.e. + len(dbname) + len(tablename) + 1 */ + ulonglong *unused) /*!< unused for this engine */ +{ + ibool is_autocommit; + trx_t* trx; + char norm_name[1000]; + + ut_a(full_name_len < 999); + + trx = check_trx_exists(thd); + + if (trx->isolation_level == TRX_ISO_SERIALIZABLE) { + /* In the SERIALIZABLE mode we add LOCK IN SHARE MODE to every + plain SELECT if AUTOCOMMIT is not on. */ + + return((my_bool)FALSE); + } + + if (trx->has_search_latch) { + sql_print_error("The calling thread is holding the adaptive " + "search, latch though calling " + "innobase_query_caching_of_table_permitted."); + + mutex_enter(&kernel_mutex); + trx_print(stderr, trx, 1024); + mutex_exit(&kernel_mutex); + } + + innobase_release_stat_resources(trx); + + if (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + + is_autocommit = TRUE; + } else { + is_autocommit = FALSE; + + } + + if (is_autocommit && trx->n_mysql_tables_in_use == 0) { + /* We are going to retrieve the query result from the query + cache. This cannot be a store operation to the query cache + because then MySQL would have locks on tables already. + + TODO: if the user has used LOCK TABLES to lock the table, + then we open a transaction in the call of row_.. below. + That trx can stay open until UNLOCK TABLES. The same problem + exists even if we do not use the query cache. MySQL should be + modified so that it ALWAYS calls some cleanup function when + the processing of a query ends! + + We can imagine we instantaneously serialize this consistent + read trx to the current trx id counter. If trx2 would have + changed the tables of a query result stored in the cache, and + trx2 would have already committed, making the result obsolete, + then trx2 would have already invalidated the cache. Thus we + can trust the result in the cache is ok for this query. */ + + return((my_bool)TRUE); + } + + /* Normalize the table name to InnoDB format */ + + memcpy(norm_name, full_name, full_name_len); + + norm_name[strlen(norm_name)] = '/'; /* InnoDB uses '/' as the + separator between db and table */ + norm_name[full_name_len] = '\0'; +#ifdef __WIN__ + innobase_casedn_str(norm_name); +#endif + /* The call of row_search_.. will start a new transaction if it is + not yet started */ + + if (trx->active_trans == 0) { + + innobase_register_trx_and_stmt(innodb_hton_ptr, thd); + trx->active_trans = 1; + } + + if (row_search_check_if_query_cache_permitted(trx, norm_name)) { + + /* printf("Query cache for %s permitted\n", norm_name); */ + + return((my_bool)TRUE); + } + + /* printf("Query cache for %s NOT permitted\n", norm_name); */ + + return((my_bool)FALSE); +} + +/*****************************************************************//** +Invalidates the MySQL query cache for the table. */ +extern "C" UNIV_INTERN +void +innobase_invalidate_query_cache( +/*============================*/ + trx_t* trx, /*!< in: transaction which + modifies the table */ + const char* full_name, /*!< in: concatenation of + database name, null char NUL, + table name, null char NUL; + NOTE that in Windows this is + always in LOWER CASE! */ + ulint full_name_len) /*!< in: full name length where + also the null chars count */ +{ + /* Note that the sync0sync.h rank of the query cache mutex is just + above the InnoDB kernel mutex. The caller of this function must not + have latches of a lower rank. */ + + /* Argument TRUE below means we are using transactions */ +#ifdef HAVE_QUERY_CACHE + mysql_query_cache_invalidate4((THD*) trx->mysql_thd, + full_name, + (uint32) full_name_len, + TRUE); +#endif +} + +/*****************************************************************//** +Convert an SQL identifier to the MySQL system_charset_info (UTF-8) +and quote it if needed. +@return pointer to the end of buf */ +static +char* +innobase_convert_identifier( +/*========================*/ + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool file_id)/*!< in: TRUE=id is a table or database name; + FALSE=id is an UTF-8 string */ +{ + char nz[NAME_LEN + 1]; +#if MYSQL_VERSION_ID >= 50141 + char nz2[NAME_LEN + 1 + EXPLAIN_FILENAME_MAX_EXTRA_LENGTH]; +#else /* MYSQL_VERSION_ID >= 50141 */ + char nz2[NAME_LEN + 1 + sizeof srv_mysql50_table_name_prefix]; +#endif /* MYSQL_VERSION_ID >= 50141 */ + + const char* s = id; + int q; + + if (file_id) { + /* Decode the table name. The MySQL function expects + a NUL-terminated string. The input and output strings + buffers must not be shared. */ + + if (UNIV_UNLIKELY(idlen > (sizeof nz) - 1)) { + idlen = (sizeof nz) - 1; + } + + memcpy(nz, id, idlen); + nz[idlen] = 0; + + s = nz2; +#if MYSQL_VERSION_ID >= 50141 + idlen = explain_filename((THD*) thd, nz, nz2, sizeof nz2, + EXPLAIN_PARTITIONS_AS_COMMENT); + goto no_quote; +#else /* MYSQL_VERSION_ID >= 50141 */ + idlen = filename_to_tablename(nz, nz2, sizeof nz2); +#endif /* MYSQL_VERSION_ID >= 50141 */ + } + + /* See if the identifier needs to be quoted. */ + if (UNIV_UNLIKELY(!thd)) { + q = '"'; + } else { + q = get_quote_char_for_identifier((THD*) thd, s, (int) idlen); + } + + if (q == EOF) { +#if MYSQL_VERSION_ID >= 50141 +no_quote: +#endif /* MYSQL_VERSION_ID >= 50141 */ + if (UNIV_UNLIKELY(idlen > buflen)) { + idlen = buflen; + } + memcpy(buf, s, idlen); + return(buf + idlen); + } + + /* Quote the identifier. */ + if (buflen < 2) { + return(buf); + } + + *buf++ = q; + buflen--; + + for (; idlen; idlen--) { + int c = *s++; + if (UNIV_UNLIKELY(c == q)) { + if (UNIV_UNLIKELY(buflen < 3)) { + break; + } + + *buf++ = c; + *buf++ = c; + buflen -= 2; + } else { + if (UNIV_UNLIKELY(buflen < 2)) { + break; + } + + *buf++ = c; + buflen--; + } + } + + *buf++ = q; + return(buf); +} + +/*****************************************************************//** +Convert a table or index name to the MySQL system_charset_info (UTF-8) +and quote it if needed. +@return pointer to the end of buf */ +extern "C" UNIV_INTERN +char* +innobase_convert_name( +/*==================*/ + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool table_id)/*!< in: TRUE=id is a table or database name; + FALSE=id is an index name */ +{ + char* s = buf; + const char* bufend = buf + buflen; + + if (table_id) { + const char* slash = (const char*) memchr(id, '/', idlen); + if (!slash) { + + goto no_db_name; + } + + /* Print the database name and table name separately. */ + s = innobase_convert_identifier(s, bufend - s, id, slash - id, + thd, TRUE); + if (UNIV_LIKELY(s < bufend)) { + *s++ = '.'; + s = innobase_convert_identifier(s, bufend - s, + slash + 1, idlen + - (slash - id) - 1, + thd, TRUE); + } + } else if (UNIV_UNLIKELY(*id == TEMP_INDEX_PREFIX)) { + /* Temporary index name (smart ALTER TABLE) */ + const char temp_index_suffix[]= "--temporary--"; + + s = innobase_convert_identifier(buf, buflen, id + 1, idlen - 1, + thd, FALSE); + if (s - buf + (sizeof temp_index_suffix - 1) < buflen) { + memcpy(s, temp_index_suffix, + sizeof temp_index_suffix - 1); + s += sizeof temp_index_suffix - 1; + } + } else { +no_db_name: + s = innobase_convert_identifier(buf, buflen, id, idlen, + thd, table_id); + } + + return(s); + +} + +/**********************************************************************//** +Determines if the currently running transaction has been interrupted. +@return TRUE if interrupted */ +extern "C" UNIV_INTERN +ibool +trx_is_interrupted( +/*===============*/ + trx_t* trx) /*!< in: transaction */ +{ + return(trx && trx->mysql_thd && thd_killed((THD*) trx->mysql_thd)); +} + +/**************************************************************//** +Resets some fields of a prebuilt struct. The template is used in fast +retrieval of just those column values MySQL needs in its processing. */ +static +void +reset_template( +/*===========*/ + row_prebuilt_t* prebuilt) /*!< in/out: prebuilt struct */ +{ + prebuilt->keep_other_fields_on_keyread = 0; + prebuilt->read_just_key = 0; +} + +/*****************************************************************//** +Call this when you have opened a new table handle in HANDLER, before you +call index_read_idx() etc. Actually, we can let the cursor stay open even +over a transaction commit! Then you should call this before every operation, +fetch next etc. This function inits the necessary things even after a +transaction commit. */ +UNIV_INTERN +void +ha_innobase::init_table_handle_for_HANDLER(void) +/*============================================*/ +{ + /* If current thd does not yet have a trx struct, create one. + If the current handle does not yet have a prebuilt struct, create + one. Update the trx pointers in the prebuilt struct. Normally + this operation is done in external_lock. */ + + update_thd(ha_thd()); + + /* Initialize the prebuilt struct much like it would be inited in + external_lock */ + + innobase_release_stat_resources(prebuilt->trx); + + /* If the transaction is not started yet, start it */ + + trx_start_if_not_started(prebuilt->trx); + + /* Assign a read view if the transaction does not have it yet */ + + trx_assign_read_view(prebuilt->trx); + + /* Set the MySQL flag to mark that there is an active transaction */ + + if (prebuilt->trx->active_trans == 0) { + + innobase_register_trx_and_stmt(ht, user_thd); + + prebuilt->trx->active_trans = 1; + } + + /* We did the necessary inits in this function, no need to repeat them + in row_search_for_mysql */ + + prebuilt->sql_stat_start = FALSE; + + /* We let HANDLER always to do the reads as consistent reads, even + if the trx isolation level would have been specified as SERIALIZABLE */ + + prebuilt->select_lock_type = LOCK_NONE; + prebuilt->stored_select_lock_type = LOCK_NONE; + + /* Always fetch all columns in the index record */ + + prebuilt->hint_need_to_fetch_extra_cols = ROW_RETRIEVE_ALL_COLS; + + /* We want always to fetch all columns in the whole row? Or do + we???? */ + + prebuilt->used_in_HANDLER = TRUE; + reset_template(prebuilt); +} + +/*********************************************************************//** +Opens an InnoDB database. +@return 0 on success, error code on failure */ +static +int +innobase_init( +/*==========*/ + void *p) /*!< in: InnoDB handlerton */ +{ + static char current_dir[3]; /*!< Set if using current lib */ + int err; + bool ret; + char *default_path; + uint format_id; + + DBUG_ENTER("innobase_init"); + handlerton *innobase_hton= (handlerton *)p; + innodb_hton_ptr = innobase_hton; + + innobase_hton->state = SHOW_OPTION_YES; + innobase_hton->db_type= DB_TYPE_INNODB; + innobase_hton->savepoint_offset=sizeof(trx_named_savept_t); + innobase_hton->close_connection=innobase_close_connection; + innobase_hton->savepoint_set=innobase_savepoint; + innobase_hton->savepoint_rollback=innobase_rollback_to_savepoint; + innobase_hton->savepoint_release=innobase_release_savepoint; + innobase_hton->commit=innobase_commit; + innobase_hton->rollback=innobase_rollback; + innobase_hton->prepare=innobase_xa_prepare; + innobase_hton->recover=innobase_xa_recover; + innobase_hton->commit_by_xid=innobase_commit_by_xid; + innobase_hton->rollback_by_xid=innobase_rollback_by_xid; + innobase_hton->create_cursor_read_view=innobase_create_cursor_view; + innobase_hton->set_cursor_read_view=innobase_set_cursor_view; + innobase_hton->close_cursor_read_view=innobase_close_cursor_view; + innobase_hton->create=innobase_create_handler; + innobase_hton->drop_database=innobase_drop_database; + innobase_hton->panic=innobase_end; + innobase_hton->start_consistent_snapshot=innobase_start_trx_and_assign_read_view; + innobase_hton->flush_logs=innobase_flush_logs; + innobase_hton->show_status=innobase_show_status; + innobase_hton->flags=HTON_NO_FLAGS; + innobase_hton->release_temporary_latches=innobase_release_temporary_latches; + innobase_hton->alter_table_flags = innobase_alter_table_flags; + + ut_a(DATA_MYSQL_TRUE_VARCHAR == (ulint)MYSQL_TYPE_VARCHAR); + +#ifdef UNIV_DEBUG + static const char test_filename[] = "-@"; + char test_tablename[sizeof test_filename + + sizeof srv_mysql50_table_name_prefix]; + if ((sizeof test_tablename) - 1 + != filename_to_tablename(test_filename, test_tablename, + sizeof test_tablename) + || strncmp(test_tablename, + srv_mysql50_table_name_prefix, + sizeof srv_mysql50_table_name_prefix) + || strcmp(test_tablename + + sizeof srv_mysql50_table_name_prefix, + test_filename)) { + sql_print_error("tablename encoding has been changed"); + goto error; + } +#endif /* UNIV_DEBUG */ + + /* Check that values don't overflow on 32-bit systems. */ + if (sizeof(ulint) == 4) { + if (innobase_buffer_pool_size > UINT_MAX32) { + sql_print_error( + "innobase_buffer_pool_size can't be over 4GB" + " on 32-bit systems"); + + goto error; + } + + if (innobase_log_file_size > UINT_MAX32) { + sql_print_error( + "innobase_log_file_size can't be over 4GB" + " on 32-bit systems"); + + goto error; + } + } + + os_innodb_umask = (ulint)my_umask; + + /* First calculate the default path for innodb_data_home_dir etc., + in case the user has not given any value. + + Note that when using the embedded server, the datadirectory is not + necessarily the current directory of this program. */ + + if (mysqld_embedded) { + default_path = mysql_real_data_home; + fil_path_to_mysql_datadir = mysql_real_data_home; + } else { + /* It's better to use current lib, to keep paths short */ + current_dir[0] = FN_CURLIB; + current_dir[1] = FN_LIBCHAR; + current_dir[2] = 0; + default_path = current_dir; + } + + ut_a(default_path); + + /* Set InnoDB initialization parameters according to the values + read from MySQL .cnf file */ + + /*--------------- Data files -------------------------*/ + + /* The default dir for data files is the datadir of MySQL */ + + srv_data_home = (innobase_data_home_dir ? innobase_data_home_dir : + default_path); + + /* Set default InnoDB data file size to 10 MB and let it be + auto-extending. Thus users can use InnoDB in >= 4.0 without having + to specify any startup options. */ + + if (!innobase_data_file_path) { + innobase_data_file_path = (char*) "ibdata1:10M:autoextend"; + } + + /* Since InnoDB edits the argument in the next call, we make another + copy of it: */ + + internal_innobase_data_file_path = my_strdup(innobase_data_file_path, + MYF(MY_FAE)); + + ret = (bool) srv_parse_data_file_paths_and_sizes( + internal_innobase_data_file_path); + if (ret == FALSE) { + sql_print_error( + "InnoDB: syntax error in innodb_data_file_path"); +mem_free_and_error: + srv_free_paths_and_sizes(); + my_free(internal_innobase_data_file_path, + MYF(MY_ALLOW_ZERO_PTR)); + goto error; + } + + /* -------------- Log files ---------------------------*/ + + /* The default dir for log files is the datadir of MySQL */ + + if (!innobase_log_group_home_dir) { + innobase_log_group_home_dir = default_path; + } + +#ifdef UNIV_LOG_ARCHIVE + /* Since innodb_log_arch_dir has no relevance under MySQL, + starting from 4.0.6 we always set it the same as + innodb_log_group_home_dir: */ + + innobase_log_arch_dir = innobase_log_group_home_dir; + + srv_arch_dir = innobase_log_arch_dir; +#endif /* UNIG_LOG_ARCHIVE */ + + ret = (bool) + srv_parse_log_group_home_dirs(innobase_log_group_home_dir); + + if (ret == FALSE || innobase_mirrored_log_groups != 1) { + sql_print_error("syntax error in innodb_log_group_home_dir, or a " + "wrong number of mirrored log groups"); + + goto mem_free_and_error; + } + + /* Validate the file format by animal name */ + if (innobase_file_format_name != NULL) { + + format_id = innobase_file_format_name_lookup( + innobase_file_format_name); + + if (format_id > DICT_TF_FORMAT_MAX) { + + sql_print_error("InnoDB: wrong innodb_file_format."); + + goto mem_free_and_error; + } + } else { + /* Set it to the default file format id. Though this + should never happen. */ + format_id = 0; + } + + srv_file_format = format_id; + + /* Given the type of innobase_file_format_name we have little + choice but to cast away the constness from the returned name. + innobase_file_format_name is used in the MySQL set variable + interface and so can't be const. */ + + innobase_file_format_name = + (char*) trx_sys_file_format_id_to_name(format_id); + + /* Process innobase_file_format_check variable */ + ut_a(innobase_file_format_check != NULL); + + /* As a side effect it will set srv_check_file_format_at_startup + on valid input. First we check for "on"/"off". */ + if (!innobase_file_format_check_on_off(innobase_file_format_check)) { + + /* Did the user specify a format name that we support ? + As a side effect it will update the variable + srv_check_file_format_at_startup */ + if (innobase_file_format_validate_and_set( + innobase_file_format_check) < 0) { + + sql_print_error("InnoDB: invalid " + "innodb_file_format_check value: " + "should be either 'on' or 'off' or " + "any value up to %s or its " + "equivalent numeric id", + trx_sys_file_format_id_to_name( + DICT_TF_FORMAT_MAX)); + + goto mem_free_and_error; + } + } + + if (innobase_change_buffering) { + ulint use; + + for (use = 0; + use < UT_ARR_SIZE(innobase_change_buffering_values); + use++) { + if (!innobase_strcasecmp( + innobase_change_buffering, + innobase_change_buffering_values[use])) { + ibuf_use = (ibuf_use_t) use; + goto innobase_change_buffering_inited_ok; + } + } + + sql_print_error("InnoDB: invalid value " + "innodb_file_format_check=%s", + innobase_change_buffering); + goto mem_free_and_error; + } + +innobase_change_buffering_inited_ok: + ut_a((ulint) ibuf_use < UT_ARR_SIZE(innobase_change_buffering_values)); + innobase_change_buffering = (char*) + innobase_change_buffering_values[ibuf_use]; + + /* --------------------------------------------------*/ + + srv_file_flush_method_str = innobase_file_flush_method; + + srv_n_log_groups = (ulint) innobase_mirrored_log_groups; + srv_n_log_files = (ulint) innobase_log_files_in_group; + srv_log_file_size = (ulint) innobase_log_file_size; + +#ifdef UNIV_LOG_ARCHIVE + srv_log_archive_on = (ulint) innobase_log_archive; +#endif /* UNIV_LOG_ARCHIVE */ + srv_log_buffer_size = (ulint) innobase_log_buffer_size; + + srv_buf_pool_size = (ulint) innobase_buffer_pool_size; + + srv_mem_pool_size = (ulint) innobase_additional_mem_pool_size; + + srv_n_file_io_threads = (ulint) innobase_file_io_threads; + srv_n_read_io_threads = (ulint) innobase_read_io_threads; + srv_n_write_io_threads = (ulint) innobase_write_io_threads; + + srv_force_recovery = (ulint) innobase_force_recovery; + + srv_use_doublewrite_buf = (ibool) innobase_use_doublewrite; + srv_use_checksums = (ibool) innobase_use_checksums; + +#ifdef HAVE_LARGE_PAGES + if ((os_use_large_pages = (ibool) my_use_large_pages)) + os_large_page_size = (ulint) opt_large_page_size; +#endif + + row_rollback_on_timeout = (ibool) innobase_rollback_on_timeout; + + srv_locks_unsafe_for_binlog = (ibool) innobase_locks_unsafe_for_binlog; + + srv_max_n_open_files = (ulint) innobase_open_files; + srv_innodb_status = (ibool) innobase_create_status_file; + + srv_print_verbose_log = mysqld_embedded ? 0 : 1; + + /* Store the default charset-collation number of this MySQL + installation */ + + data_mysql_default_charset_coll = (ulint)default_charset_info->number; + + ut_a(DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL == + my_charset_latin1.number); + ut_a(DATA_MYSQL_BINARY_CHARSET_COLL == my_charset_bin.number); + + /* Store the latin1_swedish_ci character ordering table to InnoDB. For + non-latin1_swedish_ci charsets we use the MySQL comparison functions, + and consequently we do not need to know the ordering internally in + InnoDB. */ + + ut_a(0 == strcmp(my_charset_latin1.name, "latin1_swedish_ci")); + srv_latin1_ordering = my_charset_latin1.sort_order; + + innobase_old_blocks_pct = buf_LRU_old_ratio_update( + innobase_old_blocks_pct, FALSE); + + innobase_commit_concurrency_init_default(); + + /* Since we in this module access directly the fields of a trx + struct, and due to different headers and flags it might happen that + mutex_t has a different size in this module and in InnoDB + modules, we check at run time that the size is the same in + these compilation modules. */ + + err = innobase_start_or_create_for_mysql(); + + if (err != DB_SUCCESS) { + goto mem_free_and_error; + } + + innobase_open_tables = hash_create(200); + pthread_mutex_init(&innobase_share_mutex, MY_MUTEX_INIT_FAST); + pthread_mutex_init(&prepare_commit_mutex, MY_MUTEX_INIT_FAST); + pthread_mutex_init(&commit_threads_m, MY_MUTEX_INIT_FAST); + pthread_mutex_init(&commit_cond_m, MY_MUTEX_INIT_FAST); + pthread_mutex_init(&analyze_mutex, MY_MUTEX_INIT_FAST); + pthread_cond_init(&commit_cond, NULL); + innodb_inited= 1; +#ifdef MYSQL_DYNAMIC_PLUGIN + if (innobase_hton != p) { + innobase_hton = reinterpret_cast(p); + *innobase_hton = *innodb_hton_ptr; + } +#endif /* MYSQL_DYNAMIC_PLUGIN */ + + /* Get the current high water mark format. */ + innobase_file_format_check = (char*) trx_sys_file_format_max_get(); + + DBUG_RETURN(FALSE); +error: + DBUG_RETURN(TRUE); +} + +/*******************************************************************//** +Closes an InnoDB database. +@return TRUE if error */ +static +int +innobase_end( +/*=========*/ + handlerton* hton, /*!< in/out: InnoDB handlerton */ + ha_panic_function type __attribute__((unused))) + /*!< in: ha_panic() parameter */ +{ + int err= 0; + + DBUG_ENTER("innobase_end"); + DBUG_ASSERT(hton == innodb_hton_ptr); + +#ifdef __NETWARE__ /* some special cleanup for NetWare */ + if (nw_panic) { + set_panic_flag_for_netware(); + } +#endif + if (innodb_inited) { + + srv_fast_shutdown = (ulint) innobase_fast_shutdown; + innodb_inited = 0; + hash_table_free(innobase_open_tables); + innobase_open_tables = NULL; + if (innobase_shutdown_for_mysql() != DB_SUCCESS) { + err = 1; + } + srv_free_paths_and_sizes(); + my_free(internal_innobase_data_file_path, + MYF(MY_ALLOW_ZERO_PTR)); + pthread_mutex_destroy(&innobase_share_mutex); + pthread_mutex_destroy(&prepare_commit_mutex); + pthread_mutex_destroy(&commit_threads_m); + pthread_mutex_destroy(&commit_cond_m); + pthread_mutex_destroy(&analyze_mutex); + pthread_cond_destroy(&commit_cond); + } + + DBUG_RETURN(err); +} + +/****************************************************************//** +Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes +the logs, and the name of this function should be innobase_checkpoint. +@return TRUE if error */ +static +bool +innobase_flush_logs( +/*================*/ + handlerton* hton) /*!< in/out: InnoDB handlerton */ +{ + bool result = 0; + + DBUG_ENTER("innobase_flush_logs"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + log_buffer_flush_to_disk(); + + DBUG_RETURN(result); +} + +/****************************************************************//** +Return alter table flags supported in an InnoDB database. */ +static +uint +innobase_alter_table_flags( +/*=======================*/ + uint flags) +{ + return(HA_ONLINE_ADD_INDEX_NO_WRITES + | HA_ONLINE_DROP_INDEX_NO_WRITES + | HA_ONLINE_ADD_UNIQUE_INDEX_NO_WRITES + | HA_ONLINE_DROP_UNIQUE_INDEX_NO_WRITES + | HA_ONLINE_ADD_PK_INDEX_NO_WRITES); +} + +/*****************************************************************//** +Commits a transaction in an InnoDB database. */ +static +void +innobase_commit_low( +/*================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + if (trx->conc_state == TRX_NOT_STARTED) { + + return; + } + + trx_commit_for_mysql(trx); +} + +/*****************************************************************//** +Creates an InnoDB transaction struct for the thd if it does not yet have one. +Starts a new InnoDB transaction if a transaction is not yet started. And +assigns a new snapshot for a consistent read if the transaction does not yet +have one. +@return 0 */ +static +int +innobase_start_trx_and_assign_read_view( +/*====================================*/ + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd) /*!< in: MySQL thread handle of the user for whom + the transaction should be committed */ +{ + trx_t* trx; + + DBUG_ENTER("innobase_start_trx_and_assign_read_view"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + /* Create a new trx struct for thd, if it does not yet have one */ + + trx = check_trx_exists(thd); + + /* This is just to play safe: release a possible FIFO ticket and + search latch. Since we will reserve the kernel mutex, we have to + release the search system latch first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + /* If the transaction is not started yet, start it */ + + trx_start_if_not_started(trx); + + /* Assign a read view if the transaction does not have it yet */ + + trx_assign_read_view(trx); + + /* Set the MySQL flag to mark that there is an active transaction */ + + if (trx->active_trans == 0) { + innobase_register_trx_and_stmt(hton, thd); + trx->active_trans = 1; + } + + DBUG_RETURN(0); +} + +/*****************************************************************//** +Commits a transaction in an InnoDB database or marks an SQL statement +ended. +@return 0 */ +static +int +innobase_commit( +/*============*/ + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: MySQL thread handle of the user for whom + the transaction should be committed */ + bool all) /*!< in: TRUE - commit transaction + FALSE - the current SQL statement ended */ +{ + trx_t* trx; + + DBUG_ENTER("innobase_commit"); + DBUG_ASSERT(hton == innodb_hton_ptr); + DBUG_PRINT("trans", ("ending transaction")); + + trx = check_trx_exists(thd); + + /* Since we will reserve the kernel mutex, we have to release + the search system latch first to obey the latching order. */ + + if (trx->has_search_latch) { + trx_search_latch_release_if_reserved(trx); + } + + /* The flag trx->active_trans is set to 1 in + + 1. ::external_lock(), + 2. ::start_stmt(), + 3. innobase_query_caching_of_table_permitted(), + 4. innobase_savepoint(), + 5. ::init_table_handle_for_HANDLER(), + 6. innobase_start_trx_and_assign_read_view(), + 7. ::transactional_table_lock() + + and it is only set to 0 in a commit or a rollback. If it is 0 we know + there cannot be resources to be freed and we could return immediately. + For the time being, we play safe and do the cleanup though there should + be nothing to clean up. */ + + if (trx->active_trans == 0 + && trx->conc_state != TRX_NOT_STARTED) { + + sql_print_error("trx->active_trans == 0, but" + " trx->conc_state != TRX_NOT_STARTED"); + } + if (all + || (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) { + + /* We were instructed to commit the whole transaction, or + this is an SQL statement end and autocommit is on */ + + /* We need current binlog position for ibbackup to work. + Note, the position is current because of + prepare_commit_mutex */ +retry: + if (innobase_commit_concurrency > 0) { + pthread_mutex_lock(&commit_cond_m); + commit_threads++; + + if (commit_threads > innobase_commit_concurrency) { + commit_threads--; + pthread_cond_wait(&commit_cond, + &commit_cond_m); + pthread_mutex_unlock(&commit_cond_m); + goto retry; + } + else { + pthread_mutex_unlock(&commit_cond_m); + } + } + + /* The following calls to read the MySQL binary log + file name and the position return consistent results: + 1) Other InnoDB transactions cannot intervene between + these calls as we are holding prepare_commit_mutex. + 2) Binary logging of other engines is not relevant + to InnoDB as all InnoDB requires is that committing + InnoDB transactions appear in the same order in the + MySQL binary log as they appear in InnoDB logs. + 3) A MySQL log file rotation cannot happen because + MySQL protects against this by having a counter of + transactions in prepared state and it only allows + a rotation when the counter drops to zero. See + LOCK_prep_xids and COND_prep_xids in log.cc. */ + trx->mysql_log_file_name = mysql_bin_log_file_name(); + trx->mysql_log_offset = (ib_int64_t) mysql_bin_log_file_pos(); + + /* Don't do write + flush right now. For group commit + to work we want to do the flush after releasing the + prepare_commit_mutex. */ + trx->flush_log_later = TRUE; + innobase_commit_low(trx); + trx->flush_log_later = FALSE; + + if (innobase_commit_concurrency > 0) { + pthread_mutex_lock(&commit_cond_m); + commit_threads--; + pthread_cond_signal(&commit_cond); + pthread_mutex_unlock(&commit_cond_m); + } + + if (trx->active_trans == 2) { + + pthread_mutex_unlock(&prepare_commit_mutex); + } + + /* Now do a write + flush of logs. */ + trx_commit_complete_for_mysql(trx); + trx->active_trans = 0; + + } else { + /* We just mark the SQL statement ended and do not do a + transaction commit */ + + /* If we had reserved the auto-inc lock for some + table in this SQL statement we release it now */ + + row_unlock_table_autoinc_for_mysql(trx); + + /* Store the current undo_no of the transaction so that we + know where to roll back if we have to roll back the next + SQL statement */ + + trx_mark_sql_stat_end(trx); + } + + trx->n_autoinc_rows = 0; /* Reset the number AUTO-INC rows required */ + + if (trx->declared_to_be_inside_innodb) { + /* Release our possible ticket in the FIFO */ + + srv_conc_force_exit_innodb(trx); + } + + /* Tell the InnoDB server that there might be work for utility + threads: */ + srv_active_wake_master_thread(); + + DBUG_RETURN(0); +} + +/*****************************************************************//** +Rolls back a transaction or the latest SQL statement. +@return 0 or error number */ +static +int +innobase_rollback( +/*==============*/ + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of the user + whose transaction should be rolled back */ + bool all) /*!< in: TRUE - commit transaction + FALSE - the current SQL statement ended */ +{ + int error = 0; + trx_t* trx; + + DBUG_ENTER("innobase_rollback"); + DBUG_ASSERT(hton == innodb_hton_ptr); + DBUG_PRINT("trans", ("aborting transaction")); + + trx = check_trx_exists(thd); + + /* Release a possible FIFO ticket and search latch. Since we will + reserve the kernel mutex, we have to release the search system latch + first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + trx->n_autoinc_rows = 0; /* Reset the number AUTO-INC rows required */ + + /* If we had reserved the auto-inc lock for some table (if + we come here to roll back the latest SQL statement) we + release it now before a possibly lengthy rollback */ + + row_unlock_table_autoinc_for_mysql(trx); + + if (all + || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + + error = trx_rollback_for_mysql(trx); + trx->active_trans = 0; + } else { + error = trx_rollback_last_sql_stat_for_mysql(trx); + } + + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); +} + +/*****************************************************************//** +Rolls back a transaction +@return 0 or error number */ +static +int +innobase_rollback_trx( +/*==================*/ + trx_t* trx) /*!< in: transaction */ +{ + int error = 0; + + DBUG_ENTER("innobase_rollback_trx"); + DBUG_PRINT("trans", ("aborting transaction")); + + /* Release a possible FIFO ticket and search latch. Since we will + reserve the kernel mutex, we have to release the search system latch + first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + /* If we had reserved the auto-inc lock for some table (if + we come here to roll back the latest SQL statement) we + release it now before a possibly lengthy rollback */ + + row_unlock_table_autoinc_for_mysql(trx); + + error = trx_rollback_for_mysql(trx); + + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); +} + +/*****************************************************************//** +Rolls back a transaction to a savepoint. +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the +given name */ +static +int +innobase_rollback_to_savepoint( +/*===========================*/ + handlerton *hton, /*!< in: Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of the user + whose transaction should be rolled back */ + void* savepoint) /*!< in: savepoint data */ +{ + ib_int64_t mysql_binlog_cache_pos; + int error = 0; + trx_t* trx; + char name[64]; + + DBUG_ENTER("innobase_rollback_to_savepoint"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + trx = check_trx_exists(thd); + + /* Release a possible FIFO ticket and search latch. Since we will + reserve the kernel mutex, we have to release the search system latch + first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + /* TODO: use provided savepoint data area to store savepoint data */ + + longlong2str((ulint)savepoint, name, 36); + + error = (int) trx_rollback_to_savepoint_for_mysql(trx, name, + &mysql_binlog_cache_pos); + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); +} + +/*****************************************************************//** +Release transaction savepoint name. +@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the +given name */ +static +int +innobase_release_savepoint( +/*=======================*/ + handlerton* hton, /*!< in: handlerton for Innodb */ + THD* thd, /*!< in: handle to the MySQL thread of the user + whose transaction should be rolled back */ + void* savepoint) /*!< in: savepoint data */ +{ + int error = 0; + trx_t* trx; + char name[64]; + + DBUG_ENTER("innobase_release_savepoint"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + trx = check_trx_exists(thd); + + /* TODO: use provided savepoint data area to store savepoint data */ + + longlong2str((ulint)savepoint, name, 36); + + error = (int) trx_release_savepoint_for_mysql(trx, name); + + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); +} + +/*****************************************************************//** +Sets a transaction savepoint. +@return always 0, that is, always succeeds */ +static +int +innobase_savepoint( +/*===============*/ + handlerton* hton, /*!< in: handle to the Innodb handlerton */ + THD* thd, /*!< in: handle to the MySQL thread */ + void* savepoint) /*!< in: savepoint data */ +{ + int error = 0; + trx_t* trx; + + DBUG_ENTER("innobase_savepoint"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + /* + In the autocommit mode there is no sense to set a savepoint + (unless we are in sub-statement), so SQL layer ensures that + this method is never called in such situation. + */ +#ifdef MYSQL_SERVER /* plugins cannot access thd->in_sub_stmt */ + DBUG_ASSERT(thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN) || + thd->in_sub_stmt); +#endif /* MYSQL_SERVER */ + + trx = check_trx_exists(thd); + + /* Release a possible FIFO ticket and search latch. Since we will + reserve the kernel mutex, we have to release the search system latch + first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + /* cannot happen outside of transaction */ + DBUG_ASSERT(trx->active_trans); + + /* TODO: use provided savepoint data area to store savepoint data */ + char name[64]; + longlong2str((ulint)savepoint,name,36); + + error = (int) trx_savepoint_for_mysql(trx, name, (ib_int64_t)0); + + DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); +} + +/*****************************************************************//** +Frees a possible InnoDB trx object associated with the current THD. +@return 0 or error number */ +static +int +innobase_close_connection( +/*======================*/ + handlerton* hton, /*!< in: innobase handlerton */ + THD* thd) /*!< in: handle to the MySQL thread of the user + whose resources should be free'd */ +{ + trx_t* trx; + + DBUG_ENTER("innobase_close_connection"); + DBUG_ASSERT(hton == innodb_hton_ptr); + trx = thd_to_trx(thd); + + ut_a(trx); + + if (trx->active_trans == 0 + && trx->conc_state != TRX_NOT_STARTED) { + + sql_print_error("trx->active_trans == 0, but" + " trx->conc_state != TRX_NOT_STARTED"); + } + + + if (trx->conc_state != TRX_NOT_STARTED && + global_system_variables.log_warnings) { + sql_print_warning( + "MySQL is closing a connection that has an active " + "InnoDB transaction. %lu row modifications will " + "roll back.", + (ulong) trx->undo_no.low); + } + + innobase_rollback_trx(trx); + + thr_local_free(trx->mysql_thread_id); + trx_free_for_mysql(trx); + + DBUG_RETURN(0); +} + + +/*************************************************************************//** +** InnoDB database tables +*****************************************************************************/ + +/****************************************************************//** +Get the record format from the data dictionary. +@return one of ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, +ROW_TYPE_COMPRESSED, ROW_TYPE_DYNAMIC */ +UNIV_INTERN +enum row_type +ha_innobase::get_row_type() const +/*=============================*/ +{ + if (prebuilt && prebuilt->table) { + const ulint flags = prebuilt->table->flags; + + if (UNIV_UNLIKELY(!flags)) { + return(ROW_TYPE_REDUNDANT); + } + + ut_ad(flags & DICT_TF_COMPACT); + + switch (flags & DICT_TF_FORMAT_MASK) { + case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: + return(ROW_TYPE_COMPACT); + case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT: + if (flags & DICT_TF_ZSSIZE_MASK) { + return(ROW_TYPE_COMPRESSED); + } else { + return(ROW_TYPE_DYNAMIC); + } +#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX +# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" +#endif + } + } + ut_ad(0); + return(ROW_TYPE_NOT_USED); +} + + + +/****************************************************************//** +Get the table flags to use for the statement. +@return table flags */ +UNIV_INTERN +handler::Table_flags +ha_innobase::table_flags() const +/*============================*/ +{ + /* Need to use tx_isolation here since table flags is (also) + called before prebuilt is inited. */ + ulong const tx_isolation = thd_tx_isolation(ha_thd()); + if (tx_isolation <= ISO_READ_COMMITTED) + return int_table_flags; + return int_table_flags | HA_BINLOG_STMT_CAPABLE; +} + +/****************************************************************//** +Gives the file extension of an InnoDB single-table tablespace. */ +static const char* ha_innobase_exts[] = { + ".ibd", + NullS +}; + +/****************************************************************//** +Returns the table type (storage engine name). +@return table type */ +UNIV_INTERN +const char* +ha_innobase::table_type() const +/*===========================*/ +{ + return(innobase_hton_name); +} + +/****************************************************************//** +Returns the index type. */ +UNIV_INTERN +const char* +ha_innobase::index_type( +/*====================*/ + uint) + /*!< out: index type */ +{ + return("BTREE"); +} + +/****************************************************************//** +Returns the table file name extension. +@return file extension string */ +UNIV_INTERN +const char** +ha_innobase::bas_ext() const +/*========================*/ +{ + return(ha_innobase_exts); +} + +/****************************************************************//** +Returns the operations supported for indexes. +@return flags of supported operations */ +UNIV_INTERN +ulong +ha_innobase::index_flags( +/*=====================*/ + uint, + uint, + bool) +const +{ + return(HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER + | HA_READ_RANGE | HA_KEYREAD_ONLY); +} + +/****************************************************************//** +Returns the maximum number of keys. +@return MAX_KEY */ +UNIV_INTERN +uint +ha_innobase::max_supported_keys() const +/*===================================*/ +{ + return(MAX_KEY); +} + +/****************************************************************//** +Returns the maximum key length. +@return maximum supported key length, in bytes */ +UNIV_INTERN +uint +ha_innobase::max_supported_key_length() const +/*=========================================*/ +{ + /* An InnoDB page must store >= 2 keys; a secondary key record + must also contain the primary key value: max key length is + therefore set to slightly less than 1 / 4 of page size which + is 16 kB; but currently MySQL does not work with keys whose + size is > MAX_KEY_LENGTH */ + return(3500); +} + +/****************************************************************//** +Returns the key map of keys that are usable for scanning. +@return key_map_full */ +UNIV_INTERN +const key_map* +ha_innobase::keys_to_use_for_scanning() +{ + return(&key_map_full); +} + +/****************************************************************//** +Determines if table caching is supported. +@return HA_CACHE_TBL_ASKTRANSACT */ +UNIV_INTERN +uint8 +ha_innobase::table_cache_type() +{ + return(HA_CACHE_TBL_ASKTRANSACT); +} + +/****************************************************************//** +Determines if the primary key is clustered index. +@return true */ +UNIV_INTERN +bool +ha_innobase::primary_key_is_clustered() +{ + return(true); +} + +/*****************************************************************//** +Normalizes a table name string. A normalized name consists of the +database name catenated to '/' and table name. An example: +test/mytable. On Windows normalization puts both the database name and the +table name always to lower case. */ +static +void +normalize_table_name( +/*=================*/ + char* norm_name, /*!< out: normalized name as a + null-terminated string */ + const char* name) /*!< in: table name string */ +{ + char* name_ptr; + char* db_ptr; + char* ptr; + + /* Scan name from the end */ + + ptr = strend(name)-1; + + while (ptr >= name && *ptr != '\\' && *ptr != '/') { + ptr--; + } + + name_ptr = ptr + 1; + + DBUG_ASSERT(ptr > name); + + ptr--; + + while (ptr >= name && *ptr != '\\' && *ptr != '/') { + ptr--; + } + + db_ptr = ptr + 1; + + memcpy(norm_name, db_ptr, strlen(name) + 1 - (db_ptr - name)); + + norm_name[name_ptr - db_ptr - 1] = '/'; + +#ifdef __WIN__ + innobase_casedn_str(norm_name); +#endif +} + +/********************************************************************//** +Get the upper limit of the MySQL integral and floating-point type. +@return maximum allowed value for the field */ +static +ulonglong +innobase_get_int_col_max_value( +/*===========================*/ + const Field* field) /*!< in: MySQL field */ +{ + ulonglong max_value = 0; + + switch(field->key_type()) { + /* TINY */ + case HA_KEYTYPE_BINARY: + max_value = 0xFFULL; + break; + case HA_KEYTYPE_INT8: + max_value = 0x7FULL; + break; + /* SHORT */ + case HA_KEYTYPE_USHORT_INT: + max_value = 0xFFFFULL; + break; + case HA_KEYTYPE_SHORT_INT: + max_value = 0x7FFFULL; + break; + /* MEDIUM */ + case HA_KEYTYPE_UINT24: + max_value = 0xFFFFFFULL; + break; + case HA_KEYTYPE_INT24: + max_value = 0x7FFFFFULL; + break; + /* LONG */ + case HA_KEYTYPE_ULONG_INT: + max_value = 0xFFFFFFFFULL; + break; + case HA_KEYTYPE_LONG_INT: + max_value = 0x7FFFFFFFULL; + break; + /* BIG */ + case HA_KEYTYPE_ULONGLONG: + max_value = 0xFFFFFFFFFFFFFFFFULL; + break; + case HA_KEYTYPE_LONGLONG: + max_value = 0x7FFFFFFFFFFFFFFFULL; + break; + case HA_KEYTYPE_FLOAT: + /* We use the maximum as per IEEE754-2008 standard, 2^24 */ + max_value = 0x1000000ULL; + break; + case HA_KEYTYPE_DOUBLE: + /* We use the maximum as per IEEE754-2008 standard, 2^53 */ + max_value = 0x20000000000000ULL; + break; + default: + ut_error; + } + + return(max_value); +} + +/*******************************************************************//** +This function checks whether the index column information +is consistent between KEY info from mysql and that from innodb index. +@return TRUE if all column types match. */ +static +ibool +innobase_match_index_columns( +/*=========================*/ + const KEY* key_info, /*!< in: Index info + from mysql */ + const dict_index_t* index_info) /*!< in: Index info + from Innodb */ +{ + const KEY_PART_INFO* key_part; + const KEY_PART_INFO* key_end; + const dict_field_t* innodb_idx_fld; + const dict_field_t* innodb_idx_fld_end; + + DBUG_ENTER("innobase_match_index_columns"); + + /* Check whether user defined index column count matches */ + if (key_info->key_parts != index_info->n_user_defined_cols) { + DBUG_RETURN(FALSE); + } + + key_part = key_info->key_part; + key_end = key_part + key_info->key_parts; + innodb_idx_fld = index_info->fields; + innodb_idx_fld_end = index_info->fields + index_info->n_fields; + + /* Check each index column's datatype. We do not check + column name because there exists case that index + column name got modified in mysql but such change does not + propagate to InnoDB. + One hidden assumption here is that the index column sequences + are matched up between those in mysql and Innodb. */ + for (; key_part != key_end; ++key_part) { + ulint col_type; + ibool is_unsigned; + ulint mtype = innodb_idx_fld->col->mtype; + + /* Need to translate to InnoDB column type before + comparison. */ + col_type = get_innobase_type_from_mysql_type(&is_unsigned, + key_part->field); + + /* Ignore Innodb specific system columns. */ + while (mtype == DATA_SYS) { + innodb_idx_fld++; + + if (innodb_idx_fld >= innodb_idx_fld_end) { + DBUG_RETURN(FALSE); + } + } + + if (col_type != mtype) { + /* Column Type mismatches */ + DBUG_RETURN(FALSE); + } + + innodb_idx_fld++; + } + + DBUG_RETURN(TRUE); +} + +/*******************************************************************//** +This function builds a translation table in INNOBASE_SHARE +structure for fast index location with mysql array number from its +table->key_info structure. This also provides the necessary translation +between the key order in mysql key_info and Innodb ib_table->indexes if +they are not fully matched with each other. +Note we do not have any mutex protecting the translation table +building based on the assumption that there is no concurrent +index creation/drop and DMLs that requires index lookup. All table +handle will be closed before the index creation/drop. +@return TRUE if index translation table built successfully */ +static +ibool +innobase_build_index_translation( +/*=============================*/ + const TABLE* table, /*!< in: table in MySQL data + dictionary */ + dict_table_t* ib_table, /*!< in: table in Innodb data + dictionary */ + INNOBASE_SHARE* share) /*!< in/out: share structure + where index translation table + will be constructed in. */ +{ + ulint mysql_num_index; + ulint ib_num_index; + dict_index_t** index_mapping; + ibool ret = TRUE; + + DBUG_ENTER("innobase_build_index_translation"); + + mysql_num_index = table->s->keys; + ib_num_index = UT_LIST_GET_LEN(ib_table->indexes); + + index_mapping = share->idx_trans_tbl.index_mapping; + + /* If there exists inconsistency between MySQL and InnoDB dictionary + (metadata) information, the number of index defined in MySQL + could exceed that in InnoDB, do not build index translation + table in such case */ + if (UNIV_UNLIKELY(ib_num_index < mysql_num_index)) { + ret = FALSE; + goto func_exit; + } + + /* If index entry count is non-zero, nothing has + changed since last update, directly return TRUE */ + if (share->idx_trans_tbl.index_count) { + /* Index entry count should still match mysql_num_index */ + ut_a(share->idx_trans_tbl.index_count == mysql_num_index); + goto func_exit; + } + + /* The number of index increased, rebuild the mapping table */ + if (mysql_num_index > share->idx_trans_tbl.array_size) { + index_mapping = (dict_index_t**) my_realloc(index_mapping, + mysql_num_index * + sizeof(*index_mapping), + MYF(MY_ALLOW_ZERO_PTR)); + + if (!index_mapping) { + ret = FALSE; + goto func_exit; + } + + share->idx_trans_tbl.array_size = mysql_num_index; + } + + + /* For each index in the mysql key_info array, fetch its + corresponding InnoDB index pointer into index_mapping + array. */ + for (ulint count = 0; count < mysql_num_index; count++) { + + /* Fetch index pointers into index_mapping according to mysql + index sequence */ + index_mapping[count] = dict_table_get_index_on_name( + ib_table, table->key_info[count].name); + + if (!index_mapping[count]) { + sql_print_error("Cannot find index %s in InnoDB " + "index dictionary.", + table->key_info[count].name); + ret = FALSE; + goto func_exit; + } + + /* Double check fetched index has the same + column info as those in mysql key_info. */ + if (!innobase_match_index_columns(&table->key_info[count], + index_mapping[count])) { + sql_print_error("Found index %s whose column info " + "does not match that of MySQL.", + table->key_info[count].name); + ret = FALSE; + goto func_exit; + } + } + + /* Successfully built the translation table */ + share->idx_trans_tbl.index_count = mysql_num_index; + +func_exit: + if (!ret) { + /* Build translation table failed. */ + my_free(index_mapping, MYF(MY_ALLOW_ZERO_PTR)); + + share->idx_trans_tbl.array_size = 0; + share->idx_trans_tbl.index_count = 0; + index_mapping = NULL; + } + + share->idx_trans_tbl.index_mapping = index_mapping; + + DBUG_RETURN(ret); +} + +/*******************************************************************//** +This function uses index translation table to quickly locate the +requested index structure. +Note we do not have mutex protection for the index translatoin table +access, it is based on the assumption that there is no concurrent +translation table rebuild (fter create/drop index) and DMLs that +require index lookup. +@return dict_index_t structure for requested index. NULL if +fail to locate the index structure. */ +static +dict_index_t* +innobase_index_lookup( +/*==================*/ + INNOBASE_SHARE* share, /*!< in: share structure for index + translation table. */ + uint keynr) /*!< in: index number for the requested + index */ +{ + if (!share->idx_trans_tbl.index_mapping + || keynr >= share->idx_trans_tbl.index_count) { + return(NULL); + } + + return(share->idx_trans_tbl.index_mapping[keynr]); +} + +/************************************************************************ +Set the autoinc column max value. This should only be called once from +ha_innobase::open(). Therefore there's no need for a covering lock. */ +UNIV_INTERN +void +ha_innobase::innobase_initialize_autoinc() +/*======================================*/ +{ + ulonglong auto_inc; + const Field* field = table->found_next_number_field; + + if (field != NULL) { + auto_inc = innobase_get_int_col_max_value(field); + } else { + /* We have no idea what's been passed in to us as the + autoinc column. We set it to the 0, effectively disabling + updates to the table. */ + auto_inc = 0; + + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Unable to determine the AUTOINC " + "column name\n"); + } + + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { + /* If the recovery level is set so high that writes + are disabled we force the AUTOINC counter to 0 + value effectively disabling writes to the table. + Secondly, we avoid reading the table in case the read + results in failure due to a corrupted table/index. + + We will not return an error to the client, so that the + tables can be dumped with minimal hassle. If an error + were returned in this case, the first attempt to read + the table would fail and subsequent SELECTs would succeed. */ + auto_inc = 0; + } else if (field == NULL) { + /* This is a far more serious error, best to avoid + opening the table and return failure. */ + my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + } else { + dict_index_t* index; + const char* col_name; + ulonglong read_auto_inc; + ulint err; + + update_thd(ha_thd()); + + ut_a(prebuilt->trx == thd_to_trx(user_thd)); + + col_name = field->field_name; + index = innobase_get_index(table->s->next_number_index); + + /* Execute SELECT MAX(col_name) FROM TABLE; */ + err = row_search_max_autoinc(index, col_name, &read_auto_inc); + + switch (err) { + case DB_SUCCESS: + /* At the this stage we do not know the increment + or the offset, so use a default increment of 1. */ + auto_inc = read_auto_inc + 1; + break; + + case DB_RECORD_NOT_FOUND: + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: MySQL and InnoDB data " + "dictionaries are out of sync.\n" + "InnoDB: Unable to find the AUTOINC column " + "%s in the InnoDB table %s.\n" + "InnoDB: We set the next AUTOINC column " + "value to 0,\n" + "InnoDB: in effect disabling the AUTOINC " + "next value generation.\n" + "InnoDB: You can either set the next " + "AUTOINC value explicitly using ALTER TABLE\n" + "InnoDB: or fix the data dictionary by " + "recreating the table.\n", + col_name, index->table->name); + + /* This will disable the AUTOINC generation. */ + auto_inc = 0; + + /* We want the open to succeed, so that the user can + take corrective action. ie. reads should succeed but + updates should fail. */ + err = DB_SUCCESS; + break; + default: + /* row_search_max_autoinc() should only return + one of DB_SUCCESS or DB_RECORD_NOT_FOUND. */ + ut_error; + } + } + + dict_table_autoinc_initialize(prebuilt->table, auto_inc); +} + +/*****************************************************************//** +Creates and opens a handle to a table which already exists in an InnoDB +database. +@return 1 if error, 0 if success */ +UNIV_INTERN +int +ha_innobase::open( +/*==============*/ + const char* name, /*!< in: table name */ + int mode, /*!< in: not used */ + uint test_if_locked) /*!< in: not used */ +{ + dict_table_t* ib_table; + char norm_name[1000]; + THD* thd; + ulint retries = 0; + char* is_part = NULL; + + DBUG_ENTER("ha_innobase::open"); + + UT_NOT_USED(mode); + UT_NOT_USED(test_if_locked); + + thd = ha_thd(); + + /* Under some cases MySQL seems to call this function while + holding btr_search_latch. This breaks the latching order as + we acquire dict_sys->mutex below and leads to a deadlock. */ + if (thd != NULL) { + innobase_release_temporary_latches(ht, thd); + } + + normalize_table_name(norm_name, name); + + user_thd = NULL; + + if (!(share=get_share(name))) { + + DBUG_RETURN(1); + } + + /* Create buffers for packing the fields of a record. Why + table->reclength did not work here? Obviously, because char + fields when packed actually became 1 byte longer, when we also + stored the string length as the first byte. */ + + upd_and_key_val_buff_len = + table->s->reclength + table->s->max_key_length + + MAX_REF_PARTS * 3; + if (!(uchar*) my_multi_malloc(MYF(MY_WME), + &upd_buff, upd_and_key_val_buff_len, + &key_val_buff, upd_and_key_val_buff_len, + NullS)) { + free_share(share); + + DBUG_RETURN(1); + } + + /* We look for pattern #P# to see if the table is partitioned + MySQL table. The retry logic for partitioned tables is a + workaround for http://bugs.mysql.com/bug.php?id=33349. Look + at support issue https://support.mysql.com/view.php?id=21080 + for more details. */ + is_part = strstr(norm_name, "#P#"); +retry: + /* Get pointer to a table object in InnoDB dictionary cache */ + ib_table = dict_table_get(norm_name, TRUE); + + if (NULL == ib_table) { + if (is_part && retries < 10) { + ++retries; + os_thread_sleep(100000); + goto retry; + } + + if (is_part) { + sql_print_error("Failed to open table %s after " + "%lu attempts.\n", norm_name, + retries); + } + + sql_print_error("Cannot find or open table %s from\n" + "the internal data dictionary of InnoDB " + "though the .frm file for the\n" + "table exists. Maybe you have deleted and " + "recreated InnoDB data\n" + "files but have forgotten to delete the " + "corresponding .frm files\n" + "of InnoDB tables, or you have moved .frm " + "files to another database?\n" + "or, the table contains indexes that this " + "version of the engine\n" + "doesn't support.\n" + "See " REFMAN "innodb-troubleshooting.html\n" + "how you can resolve the problem.\n", + norm_name); + free_share(share); + my_free(upd_buff, MYF(0)); + my_errno = ENOENT; + + DBUG_RETURN(HA_ERR_NO_SUCH_TABLE); + } + + if (ib_table->ibd_file_missing && !thd_tablespace_op(thd)) { + sql_print_error("MySQL is trying to open a table handle but " + "the .ibd file for\ntable %s does not exist.\n" + "Have you deleted the .ibd file from the " + "database directory under\nthe MySQL datadir, " + "or have you used DISCARD TABLESPACE?\n" + "See " REFMAN "innodb-troubleshooting.html\n" + "how you can resolve the problem.\n", + norm_name); + free_share(share); + my_free(upd_buff, MYF(0)); + my_errno = ENOENT; + + dict_table_decrement_handle_count(ib_table, FALSE); + DBUG_RETURN(HA_ERR_NO_SUCH_TABLE); + } + + prebuilt = row_create_prebuilt(ib_table); + + prebuilt->mysql_row_len = table->s->reclength; + prebuilt->default_rec = table->s->default_values; + ut_ad(prebuilt->default_rec); + + /* Looks like MySQL-3.23 sometimes has primary key number != 0 */ + + primary_key = table->s->primary_key; + key_used_on_scan = primary_key; + + if (!innobase_build_index_translation(table, ib_table, share)) { + sql_print_error("Build InnoDB index translation table for" + " Table %s failed", name); + } + + /* Allocate a buffer for a 'row reference'. A row reference is + a string of bytes of length ref_length which uniquely specifies + a row in our table. Note that MySQL may also compare two row + references for equality by doing a simple memcmp on the strings + of length ref_length! */ + + if (!row_table_got_default_clust_index(ib_table)) { + + prebuilt->clust_index_was_generated = FALSE; + + if (UNIV_UNLIKELY(primary_key >= MAX_KEY)) { + sql_print_error("Table %s has a primary key in " + "InnoDB data dictionary, but not " + "in MySQL!", name); + + /* This mismatch could cause further problems + if not attended, bring this to the user's attention + by printing a warning in addition to log a message + in the errorlog */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NO_SUCH_INDEX, + "InnoDB: Table %s has a " + "primary key in InnoDB data " + "dictionary, but not in " + "MySQL!", name); + + /* If primary_key >= MAX_KEY, its (primary_key) + value could be out of bound if continue to index + into key_info[] array. Find InnoDB primary index, + and assign its key_length to ref_length. + In addition, since MySQL indexes are sorted starting + with primary index, unique index etc., initialize + ref_length to the first index key length in + case we fail to find InnoDB cluster index. + + Please note, this will not resolve the primary + index mismatch problem, other side effects are + possible if users continue to use the table. + However, we allow this table to be opened so + that user can adopt necessary measures for the + mismatch while still being accessible to the table + date. */ + ref_length = table->key_info[0].key_length; + + /* Find correspoinding cluster index + key length in MySQL's key_info[] array */ + for (ulint i = 0; i < table->s->keys; i++) { + dict_index_t* index; + index = innobase_get_index(i); + if (dict_index_is_clust(index)) { + ref_length = + table->key_info[i].key_length; + } + } + } else { + /* MySQL allocates the buffer for ref. + key_info->key_length includes space for all key + columns + one byte for each column that may be + NULL. ref_length must be as exact as possible to + save space, because all row reference buffers are + allocated based on ref_length. */ + + ref_length = table->key_info[primary_key].key_length; + } + } else { + if (primary_key != MAX_KEY) { + sql_print_error( + "Table %s has no primary key in InnoDB data " + "dictionary, but has one in MySQL! If you " + "created the table with a MySQL version < " + "3.23.54 and did not define a primary key, " + "but defined a unique key with all non-NULL " + "columns, then MySQL internally treats that " + "key as the primary key. You can fix this " + "error by dump + DROP + CREATE + reimport " + "of the table.", name); + + /* This mismatch could cause further problems + if not attended, bring this to the user attention + by printing a warning in addition to log a message + in the errorlog */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NO_SUCH_INDEX, + "InnoDB: Table %s has no " + "primary key in InnoDB data " + "dictionary, but has one in " + "MySQL!", name); + } + + prebuilt->clust_index_was_generated = TRUE; + + ref_length = DATA_ROW_ID_LEN; + + /* If we automatically created the clustered index, then + MySQL does not know about it, and MySQL must NOT be aware + of the index used on scan, to make it avoid checking if we + update the column of the index. That is why we assert below + that key_used_on_scan is the undefined value MAX_KEY. + The column is the row id in the automatical generation case, + and it will never be updated anyway. */ + + if (key_used_on_scan != MAX_KEY) { + sql_print_warning( + "Table %s key_used_on_scan is %lu even " + "though there is no primary key inside " + "InnoDB.", name, (ulong) key_used_on_scan); + } + } + + /* Index block size in InnoDB: used by MySQL in query optimization */ + stats.block_size = 16 * 1024; + + /* Init table lock structure */ + thr_lock_data_init(&share->lock,&lock,(void*) 0); + + if (prebuilt->table) { + /* We update the highest file format in the system table + space, if this table has higher file format setting. */ + + trx_sys_file_format_max_upgrade( + (const char**) &innobase_file_format_check, + dict_table_get_format(prebuilt->table)); + } + + info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST); + + /* Only if the table has an AUTOINC column. */ + if (prebuilt->table != NULL && table->found_next_number_field != NULL) { + dict_table_autoinc_lock(prebuilt->table); + + /* Since a table can already be "open" in InnoDB's internal + data dictionary, we only init the autoinc counter once, the + first time the table is loaded. We can safely reuse the + autoinc value from a previous MySQL open. */ + if (dict_table_autoinc_read(prebuilt->table) == 0) { + + innobase_initialize_autoinc(); + } + + dict_table_autoinc_unlock(prebuilt->table); + } + + DBUG_RETURN(0); +} + +UNIV_INTERN +uint +ha_innobase::max_supported_key_part_length() const +{ + return(DICT_MAX_INDEX_COL_LEN - 1); +} + +/******************************************************************//** +Closes a handle to an InnoDB table. +@return 0 */ +UNIV_INTERN +int +ha_innobase::close(void) +/*====================*/ +{ + THD* thd; + + DBUG_ENTER("ha_innobase::close"); + + thd = ha_thd(); + if (thd != NULL) { + innobase_release_temporary_latches(ht, thd); + } + + row_prebuilt_free(prebuilt, FALSE); + + my_free(upd_buff, MYF(0)); + free_share(share); + + /* Tell InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + DBUG_RETURN(0); +} + +/* The following accessor functions should really be inside MySQL code! */ + +/**************************************************************//** +Gets field offset for a field in a table. +@return offset */ +static inline +uint +get_field_offset( +/*=============*/ + TABLE* table, /*!< in: MySQL table object */ + Field* field) /*!< in: MySQL field object */ +{ + return((uint) (field->ptr - table->record[0])); +} + +/**************************************************************//** +Checks if a field in a record is SQL NULL. Uses the record format +information in table to track the null bit in record. +@return 1 if NULL, 0 otherwise */ +static inline +uint +field_in_record_is_null( +/*====================*/ + TABLE* table, /*!< in: MySQL table object */ + Field* field, /*!< in: MySQL field object */ + char* record) /*!< in: a row in MySQL format */ +{ + int null_offset; + + if (!field->null_ptr) { + + return(0); + } + + null_offset = (uint) ((char*) field->null_ptr + - (char*) table->record[0]); + + if (record[null_offset] & field->null_bit) { + + return(1); + } + + return(0); +} + +/**************************************************************//** +Sets a field in a record to SQL NULL. Uses the record format +information in table to track the null bit in record. */ +static inline +void +set_field_in_record_to_null( +/*========================*/ + TABLE* table, /*!< in: MySQL table object */ + Field* field, /*!< in: MySQL field object */ + char* record) /*!< in: a row in MySQL format */ +{ + int null_offset; + + null_offset = (uint) ((char*) field->null_ptr + - (char*) table->record[0]); + + record[null_offset] = record[null_offset] | field->null_bit; +} + +/*************************************************************//** +InnoDB uses this function to compare two data fields for which the data type +is such that we must use MySQL code to compare them. NOTE that the prototype +of this function is in rem0cmp.c in InnoDB source code! If you change this +function, remember to update the prototype there! +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ +extern "C" UNIV_INTERN +int +innobase_mysql_cmp( +/*===============*/ + int mysql_type, /*!< in: MySQL type */ + uint charset_number, /*!< in: number of the charset */ + const unsigned char* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, + not UNIV_SQL_NULL */ + const unsigned char* b, /*!< in: data field */ + unsigned int b_length) /*!< in: data field length, + not UNIV_SQL_NULL */ +{ + CHARSET_INFO* charset; + enum_field_types mysql_tp; + int ret; + + DBUG_ASSERT(a_length != UNIV_SQL_NULL); + DBUG_ASSERT(b_length != UNIV_SQL_NULL); + + mysql_tp = (enum_field_types) mysql_type; + + switch (mysql_tp) { + + case MYSQL_TYPE_BIT: + case MYSQL_TYPE_STRING: + case MYSQL_TYPE_VAR_STRING: + case MYSQL_TYPE_TINY_BLOB: + case MYSQL_TYPE_MEDIUM_BLOB: + case MYSQL_TYPE_BLOB: + case MYSQL_TYPE_LONG_BLOB: + case MYSQL_TYPE_VARCHAR: + /* Use the charset number to pick the right charset struct for + the comparison. Since the MySQL function get_charset may be + slow before Bar removes the mutex operation there, we first + look at 2 common charsets directly. */ + + if (charset_number == default_charset_info->number) { + charset = default_charset_info; + } else if (charset_number == my_charset_latin1.number) { + charset = &my_charset_latin1; + } else { + charset = get_charset(charset_number, MYF(MY_WME)); + + if (charset == NULL) { + sql_print_error("InnoDB needs charset %lu for doing " + "a comparison, but MySQL cannot " + "find that charset.", + (ulong) charset_number); + ut_a(0); + } + } + + /* Starting from 4.1.3, we use strnncollsp() in comparisons of + non-latin1_swedish_ci strings. NOTE that the collation order + changes then: 'b\0\0...' is ordered BEFORE 'b ...'. Users + having indexes on such data need to rebuild their tables! */ + + ret = charset->coll->strnncollsp(charset, + a, a_length, + b, b_length, 0); + if (ret < 0) { + return(-1); + } else if (ret > 0) { + return(1); + } else { + return(0); + } + default: + ut_error; + } + + return(0); +} + +/**************************************************************//** +Converts a MySQL type to an InnoDB type. Note that this function returns +the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 +VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. +@return DATA_BINARY, DATA_VARCHAR, ... */ +extern "C" UNIV_INTERN +ulint +get_innobase_type_from_mysql_type( +/*==============================*/ + ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an + 'unsigned type'; + at least ENUM and SET, + and unsigned integer + types are 'unsigned types' */ + const void* f) /*!< in: MySQL Field */ +{ + const class Field* field = reinterpret_cast(f); + + /* The following asserts try to check that the MySQL type code fits in + 8 bits: this is used in ibuf and also when DATA_NOT_NULL is ORed to + the type */ + + DBUG_ASSERT((ulint)MYSQL_TYPE_STRING < 256); + DBUG_ASSERT((ulint)MYSQL_TYPE_VAR_STRING < 256); + DBUG_ASSERT((ulint)MYSQL_TYPE_DOUBLE < 256); + DBUG_ASSERT((ulint)MYSQL_TYPE_FLOAT < 256); + DBUG_ASSERT((ulint)MYSQL_TYPE_DECIMAL < 256); + + if (field->flags & UNSIGNED_FLAG) { + + *unsigned_flag = DATA_UNSIGNED; + } else { + *unsigned_flag = 0; + } + + if (field->real_type() == MYSQL_TYPE_ENUM + || field->real_type() == MYSQL_TYPE_SET) { + + /* MySQL has field->type() a string type for these, but the + data is actually internally stored as an unsigned integer + code! */ + + *unsigned_flag = DATA_UNSIGNED; /* MySQL has its own unsigned + flag set to zero, even though + internally this is an unsigned + integer type */ + return(DATA_INT); + } + + switch (field->type()) { + /* NOTE that we only allow string types in DATA_MYSQL and + DATA_VARMYSQL */ + case MYSQL_TYPE_VAR_STRING: /* old <= 4.1 VARCHAR */ + case MYSQL_TYPE_VARCHAR: /* new >= 5.0.3 true VARCHAR */ + if (field->binary()) { + return(DATA_BINARY); + } else if (strcmp( + field->charset()->name, + "latin1_swedish_ci") == 0) { + return(DATA_VARCHAR); + } else { + return(DATA_VARMYSQL); + } + case MYSQL_TYPE_BIT: + case MYSQL_TYPE_STRING: if (field->binary()) { + + return(DATA_FIXBINARY); + } else if (strcmp( + field->charset()->name, + "latin1_swedish_ci") == 0) { + return(DATA_CHAR); + } else { + return(DATA_MYSQL); + } + case MYSQL_TYPE_NEWDECIMAL: + return(DATA_FIXBINARY); + case MYSQL_TYPE_LONG: + case MYSQL_TYPE_LONGLONG: + case MYSQL_TYPE_TINY: + case MYSQL_TYPE_SHORT: + case MYSQL_TYPE_INT24: + case MYSQL_TYPE_DATE: + case MYSQL_TYPE_DATETIME: + case MYSQL_TYPE_YEAR: + case MYSQL_TYPE_NEWDATE: + case MYSQL_TYPE_TIME: + case MYSQL_TYPE_TIMESTAMP: + return(DATA_INT); + case MYSQL_TYPE_FLOAT: + return(DATA_FLOAT); + case MYSQL_TYPE_DOUBLE: + return(DATA_DOUBLE); + case MYSQL_TYPE_DECIMAL: + return(DATA_DECIMAL); + case MYSQL_TYPE_GEOMETRY: + case MYSQL_TYPE_TINY_BLOB: + case MYSQL_TYPE_MEDIUM_BLOB: + case MYSQL_TYPE_BLOB: + case MYSQL_TYPE_LONG_BLOB: + return(DATA_BLOB); + default: + ut_error; + } + + return(0); +} + +/*******************************************************************//** +Writes an unsigned integer value < 64k to 2 bytes, in the little-endian +storage format. */ +static inline +void +innobase_write_to_2_little_endian( +/*==============================*/ + byte* buf, /*!< in: where to store */ + ulint val) /*!< in: value to write, must be < 64k */ +{ + ut_a(val < 256 * 256); + + buf[0] = (byte)(val & 0xFF); + buf[1] = (byte)(val / 256); +} + +/*******************************************************************//** +Reads an unsigned integer value < 64k from 2 bytes, in the little-endian +storage format. +@return value */ +static inline +uint +innobase_read_from_2_little_endian( +/*===============================*/ + const uchar* buf) /*!< in: from where to read */ +{ + return (uint) ((ulint)(buf[0]) + 256 * ((ulint)(buf[1]))); +} + +/*******************************************************************//** +Stores a key value for a row to a buffer. +@return key value length as stored in buff */ +UNIV_INTERN +uint +ha_innobase::store_key_val_for_row( +/*===============================*/ + uint keynr, /*!< in: key number */ + char* buff, /*!< in/out: buffer for the key value (in MySQL + format) */ + uint buff_len,/*!< in: buffer length */ + const uchar* record)/*!< in: row in MySQL format */ +{ + KEY* key_info = table->key_info + keynr; + KEY_PART_INFO* key_part = key_info->key_part; + KEY_PART_INFO* end = key_part + key_info->key_parts; + char* buff_start = buff; + enum_field_types mysql_type; + Field* field; + ibool is_null; + + DBUG_ENTER("store_key_val_for_row"); + + /* The format for storing a key field in MySQL is the following: + + 1. If the column can be NULL, then in the first byte we put 1 if the + field value is NULL, 0 otherwise. + + 2. If the column is of a BLOB type (it must be a column prefix field + in this case), then we put the length of the data in the field to the + next 2 bytes, in the little-endian format. If the field is SQL NULL, + then these 2 bytes are set to 0. Note that the length of data in the + field is <= column prefix length. + + 3. In a column prefix field, prefix_len next bytes are reserved for + data. In a normal field the max field length next bytes are reserved + for data. For a VARCHAR(n) the max field length is n. If the stored + value is the SQL NULL then these data bytes are set to 0. + + 4. We always use a 2 byte length for a true >= 5.0.3 VARCHAR. Note that + in the MySQL row format, the length is stored in 1 or 2 bytes, + depending on the maximum allowed length. But in the MySQL key value + format, the length always takes 2 bytes. + + We have to zero-fill the buffer so that MySQL is able to use a + simple memcmp to compare two key values to determine if they are + equal. MySQL does this to compare contents of two 'ref' values. */ + + bzero(buff, buff_len); + + for (; key_part != end; key_part++) { + is_null = FALSE; + + if (key_part->null_bit) { + if (record[key_part->null_offset] + & key_part->null_bit) { + *buff = 1; + is_null = TRUE; + } else { + *buff = 0; + } + buff++; + } + + field = key_part->field; + mysql_type = field->type(); + + if (mysql_type == MYSQL_TYPE_VARCHAR) { + /* >= 5.0.3 true VARCHAR */ + ulint lenlen; + ulint len; + const byte* data; + ulint key_len; + ulint true_len; + CHARSET_INFO* cs; + int error=0; + + key_len = key_part->length; + + if (is_null) { + buff += key_len + 2; + + continue; + } + cs = field->charset(); + + lenlen = (ulint) + (((Field_varstring*)field)->length_bytes); + + data = row_mysql_read_true_varchar(&len, + (byte*) (record + + (ulint)get_field_offset(table, field)), + lenlen); + + true_len = len; + + /* For multi byte character sets we need to calculate + the true length of the key */ + + if (len > 0 && cs->mbmaxlen > 1) { + true_len = (ulint) cs->cset->well_formed_len(cs, + (const char *) data, + (const char *) data + len, + (uint) (key_len / + cs->mbmaxlen), + &error); + } + + /* In a column prefix index, we may need to truncate + the stored value: */ + + if (true_len > key_len) { + true_len = key_len; + } + + /* The length in a key value is always stored in 2 + bytes */ + + row_mysql_store_true_var_len((byte*)buff, true_len, 2); + buff += 2; + + memcpy(buff, data, true_len); + + /* Note that we always reserve the maximum possible + length of the true VARCHAR in the key value, though + only len first bytes after the 2 length bytes contain + actual data. The rest of the space was reset to zero + in the bzero() call above. */ + + buff += key_len; + + } else if (mysql_type == MYSQL_TYPE_TINY_BLOB + || mysql_type == MYSQL_TYPE_MEDIUM_BLOB + || mysql_type == MYSQL_TYPE_BLOB + || mysql_type == MYSQL_TYPE_LONG_BLOB + /* MYSQL_TYPE_GEOMETRY data is treated + as BLOB data in innodb. */ + || mysql_type == MYSQL_TYPE_GEOMETRY) { + + CHARSET_INFO* cs; + ulint key_len; + ulint true_len; + int error=0; + ulint blob_len; + const byte* blob_data; + + ut_a(key_part->key_part_flag & HA_PART_KEY_SEG); + + key_len = key_part->length; + + if (is_null) { + buff += key_len + 2; + + continue; + } + + cs = field->charset(); + + blob_data = row_mysql_read_blob_ref(&blob_len, + (byte*) (record + + (ulint)get_field_offset(table, field)), + (ulint) field->pack_length()); + + true_len = blob_len; + + ut_a(get_field_offset(table, field) + == key_part->offset); + + /* For multi byte character sets we need to calculate + the true length of the key */ + + if (blob_len > 0 && cs->mbmaxlen > 1) { + true_len = (ulint) cs->cset->well_formed_len(cs, + (const char *) blob_data, + (const char *) blob_data + + blob_len, + (uint) (key_len / + cs->mbmaxlen), + &error); + } + + /* All indexes on BLOB and TEXT are column prefix + indexes, and we may need to truncate the data to be + stored in the key value: */ + + if (true_len > key_len) { + true_len = key_len; + } + + /* MySQL reserves 2 bytes for the length and the + storage of the number is little-endian */ + + innobase_write_to_2_little_endian( + (byte*)buff, true_len); + buff += 2; + + memcpy(buff, blob_data, true_len); + + /* Note that we always reserve the maximum possible + length of the BLOB prefix in the key value. */ + + buff += key_len; + } else { + /* Here we handle all other data types except the + true VARCHAR, BLOB and TEXT. Note that the column + value we store may be also in a column prefix + index. */ + + CHARSET_INFO* cs; + ulint true_len; + ulint key_len; + const uchar* src_start; + int error=0; + enum_field_types real_type; + + key_len = key_part->length; + + if (is_null) { + buff += key_len; + + continue; + } + + src_start = record + key_part->offset; + real_type = field->real_type(); + true_len = key_len; + + /* Character set for the field is defined only + to fields whose type is string and real field + type is not enum or set. For these fields check + if character set is multi byte. */ + + if (real_type != MYSQL_TYPE_ENUM + && real_type != MYSQL_TYPE_SET + && ( mysql_type == MYSQL_TYPE_VAR_STRING + || mysql_type == MYSQL_TYPE_STRING)) { + + cs = field->charset(); + + /* For multi byte character sets we need to + calculate the true length of the key */ + + if (key_len > 0 && cs->mbmaxlen > 1) { + + true_len = (ulint) + cs->cset->well_formed_len(cs, + (const char *)src_start, + (const char *)src_start + + key_len, + (uint) (key_len / + cs->mbmaxlen), + &error); + } + } + + memcpy(buff, src_start, true_len); + buff += true_len; + + /* Pad the unused space with spaces. Note that no + padding is ever needed for UCS-2 because in MySQL, + all UCS2 characters are 2 bytes, as MySQL does not + support surrogate pairs, which are needed to represent + characters in the range U+10000 to U+10FFFF. */ + + if (true_len < key_len) { + ulint pad_len = key_len - true_len; + memset(buff, ' ', pad_len); + buff += pad_len; + } + } + } + + ut_a(buff <= buff_start + buff_len); + + DBUG_RETURN((uint)(buff - buff_start)); +} + +/**************************************************************//** +Builds a 'template' to the prebuilt struct. The template is used in fast +retrieval of just those column values MySQL needs in its processing. */ +static +void +build_template( +/*===========*/ + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct */ + THD* thd, /*!< in: current user thread, used + only if templ_type is + ROW_MYSQL_REC_FIELDS */ + TABLE* table, /*!< in: MySQL table */ + uint templ_type) /*!< in: ROW_MYSQL_WHOLE_ROW or + ROW_MYSQL_REC_FIELDS */ +{ + dict_index_t* index; + dict_index_t* clust_index; + mysql_row_templ_t* templ; + Field* field; + ulint n_fields; + ulint n_requested_fields = 0; + ibool fetch_all_in_key = FALSE; + ibool fetch_primary_key_cols = FALSE; + ulint i; + /* byte offset of the end of last requested column */ + ulint mysql_prefix_len = 0; + + if (prebuilt->select_lock_type == LOCK_X) { + /* We always retrieve the whole clustered index record if we + use exclusive row level locks, for example, if the read is + done in an UPDATE statement. */ + + templ_type = ROW_MYSQL_WHOLE_ROW; + } + + if (templ_type == ROW_MYSQL_REC_FIELDS) { + if (prebuilt->hint_need_to_fetch_extra_cols + == ROW_RETRIEVE_ALL_COLS) { + + /* We know we must at least fetch all columns in the + key, or all columns in the table */ + + if (prebuilt->read_just_key) { + /* MySQL has instructed us that it is enough + to fetch the columns in the key; looks like + MySQL can set this flag also when there is + only a prefix of the column in the key: in + that case we retrieve the whole column from + the clustered index */ + + fetch_all_in_key = TRUE; + } else { + templ_type = ROW_MYSQL_WHOLE_ROW; + } + } else if (prebuilt->hint_need_to_fetch_extra_cols + == ROW_RETRIEVE_PRIMARY_KEY) { + /* We must at least fetch all primary key cols. Note + that if the clustered index was internally generated + by InnoDB on the row id (no primary key was + defined), then row_search_for_mysql() will always + retrieve the row id to a special buffer in the + prebuilt struct. */ + + fetch_primary_key_cols = TRUE; + } + } + + clust_index = dict_table_get_first_index(prebuilt->table); + + if (templ_type == ROW_MYSQL_REC_FIELDS) { + index = prebuilt->index; + } else { + index = clust_index; + } + + if (index == clust_index) { + prebuilt->need_to_access_clustered = TRUE; + } else { + prebuilt->need_to_access_clustered = FALSE; + /* Below we check column by column if we need to access + the clustered index */ + } + + n_fields = (ulint)table->s->fields; /* number of columns */ + + if (!prebuilt->mysql_template) { + prebuilt->mysql_template = (mysql_row_templ_t*) + mem_alloc(n_fields * sizeof(mysql_row_templ_t)); + } + + prebuilt->template_type = templ_type; + prebuilt->null_bitmap_len = table->s->null_bytes; + + prebuilt->templ_contains_blob = FALSE; + + /* Note that in InnoDB, i is the column number. MySQL calls columns + 'fields'. */ + for (i = 0; i < n_fields; i++) { + templ = prebuilt->mysql_template + n_requested_fields; + field = table->field[i]; + + if (UNIV_LIKELY(templ_type == ROW_MYSQL_REC_FIELDS)) { + /* Decide which columns we should fetch + and which we can skip. */ + register const ibool index_contains_field = + dict_index_contains_col_or_prefix(index, i); + + if (!index_contains_field && prebuilt->read_just_key) { + /* If this is a 'key read', we do not need + columns that are not in the key */ + + goto skip_field; + } + + if (index_contains_field && fetch_all_in_key) { + /* This field is needed in the query */ + + goto include_field; + } + + if (bitmap_is_set(table->read_set, i) || + bitmap_is_set(table->write_set, i)) { + /* This field is needed in the query */ + + goto include_field; + } + + if (fetch_primary_key_cols + && dict_table_col_in_clustered_key( + index->table, i)) { + /* This field is needed in the query */ + + goto include_field; + } + + /* This field is not needed in the query, skip it */ + + goto skip_field; + } +include_field: + n_requested_fields++; + + templ->col_no = i; + + if (index == clust_index) { + templ->rec_field_no = dict_col_get_clust_pos( + &index->table->cols[i], index); + } else { + templ->rec_field_no = dict_index_get_nth_col_pos( + index, i); + } + + if (templ->rec_field_no == ULINT_UNDEFINED) { + prebuilt->need_to_access_clustered = TRUE; + } + + if (field->null_ptr) { + templ->mysql_null_byte_offset = + (ulint) ((char*) field->null_ptr + - (char*) table->record[0]); + + templ->mysql_null_bit_mask = (ulint) field->null_bit; + } else { + templ->mysql_null_bit_mask = 0; + } + + templ->mysql_col_offset = (ulint) + get_field_offset(table, field); + + templ->mysql_col_len = (ulint) field->pack_length(); + if (mysql_prefix_len < templ->mysql_col_offset + + templ->mysql_col_len) { + mysql_prefix_len = templ->mysql_col_offset + + templ->mysql_col_len; + } + templ->type = index->table->cols[i].mtype; + templ->mysql_type = (ulint)field->type(); + + if (templ->mysql_type == DATA_MYSQL_TRUE_VARCHAR) { + templ->mysql_length_bytes = (ulint) + (((Field_varstring*)field)->length_bytes); + } + + templ->charset = dtype_get_charset_coll( + index->table->cols[i].prtype); + templ->mbminlen = index->table->cols[i].mbminlen; + templ->mbmaxlen = index->table->cols[i].mbmaxlen; + templ->is_unsigned = index->table->cols[i].prtype + & DATA_UNSIGNED; + if (templ->type == DATA_BLOB) { + prebuilt->templ_contains_blob = TRUE; + } +skip_field: + ; + } + + prebuilt->n_template = n_requested_fields; + prebuilt->mysql_prefix_len = mysql_prefix_len; + + if (index != clust_index && prebuilt->need_to_access_clustered) { + /* Change rec_field_no's to correspond to the clustered index + record */ + for (i = 0; i < n_requested_fields; i++) { + templ = prebuilt->mysql_template + i; + + templ->rec_field_no = dict_col_get_clust_pos( + &index->table->cols[templ->col_no], + clust_index); + } + } +} + +/********************************************************************//** +This special handling is really to overcome the limitations of MySQL's +binlogging. We need to eliminate the non-determinism that will arise in +INSERT ... SELECT type of statements, since MySQL binlog only stores the +min value of the autoinc interval. Once that is fixed we can get rid of +the special lock handling. +@return DB_SUCCESS if all OK else error code */ +UNIV_INTERN +ulint +ha_innobase::innobase_lock_autoinc(void) +/*====================================*/ +{ + ulint error = DB_SUCCESS; + + switch (innobase_autoinc_lock_mode) { + case AUTOINC_NO_LOCKING: + /* Acquire only the AUTOINC mutex. */ + dict_table_autoinc_lock(prebuilt->table); + break; + + case AUTOINC_NEW_STYLE_LOCKING: + /* For simple (single/multi) row INSERTs, we fallback to the + old style only if another transaction has already acquired + the AUTOINC lock on behalf of a LOAD FILE or INSERT ... SELECT + etc. type of statement. */ + if (thd_sql_command(user_thd) == SQLCOM_INSERT + || thd_sql_command(user_thd) == SQLCOM_REPLACE) { + dict_table_t* table = prebuilt->table; + + /* Acquire the AUTOINC mutex. */ + dict_table_autoinc_lock(table); + + /* We need to check that another transaction isn't + already holding the AUTOINC lock on the table. */ + if (table->n_waiting_or_granted_auto_inc_locks) { + /* Release the mutex to avoid deadlocks. */ + dict_table_autoinc_unlock(table); + } else { + break; + } + } + /* Fall through to old style locking. */ + + case AUTOINC_OLD_STYLE_LOCKING: + error = row_lock_table_autoinc_for_mysql(prebuilt); + + if (error == DB_SUCCESS) { + + /* Acquire the AUTOINC mutex. */ + dict_table_autoinc_lock(prebuilt->table); + } + break; + + default: + ut_error; + } + + return(ulong(error)); +} + +/********************************************************************//** +Reset the autoinc value in the table. +@return DB_SUCCESS if all went well else error code */ +UNIV_INTERN +ulint +ha_innobase::innobase_reset_autoinc( +/*================================*/ + ulonglong autoinc) /*!< in: value to store */ +{ + ulint error; + + error = innobase_lock_autoinc(); + + if (error == DB_SUCCESS) { + + dict_table_autoinc_initialize(prebuilt->table, autoinc); + + dict_table_autoinc_unlock(prebuilt->table); + } + + return(ulong(error)); +} + +/********************************************************************//** +Store the autoinc value in the table. The autoinc value is only set if +it's greater than the existing autoinc value in the table. +@return DB_SUCCESS if all went well else error code */ +UNIV_INTERN +ulint +ha_innobase::innobase_set_max_autoinc( +/*==================================*/ + ulonglong auto_inc) /*!< in: value to store */ +{ + ulint error; + + error = innobase_lock_autoinc(); + + if (error == DB_SUCCESS) { + + dict_table_autoinc_update_if_greater(prebuilt->table, auto_inc); + + dict_table_autoinc_unlock(prebuilt->table); + } + + return(ulong(error)); +} + +/********************************************************************//** +Stores a row in an InnoDB database, to the table specified in this +handle. +@return error code */ +UNIV_INTERN +int +ha_innobase::write_row( +/*===================*/ + uchar* record) /*!< in: a row in MySQL format */ +{ + ulint error = 0; + int error_result= 0; + ibool auto_inc_used= FALSE; + ulint sql_command; + trx_t* trx = thd_to_trx(user_thd); + + DBUG_ENTER("ha_innobase::write_row"); + + if (prebuilt->trx != trx) { + sql_print_error("The transaction object for the table handle is at " + "%p, but for the current thread it is at %p", + (const void*) prebuilt->trx, (const void*) trx); + + fputs("InnoDB: Dump of 200 bytes around prebuilt: ", stderr); + ut_print_buf(stderr, ((const byte*)prebuilt) - 100, 200); + fputs("\n" + "InnoDB: Dump of 200 bytes around ha_data: ", + stderr); + ut_print_buf(stderr, ((const byte*) trx) - 100, 200); + putc('\n', stderr); + ut_error; + } + + ha_statistic_increment(&SSV::ha_write_count); + + if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_INSERT) + table->timestamp_field->set_time(); + + sql_command = thd_sql_command(user_thd); + + if ((sql_command == SQLCOM_ALTER_TABLE + || sql_command == SQLCOM_OPTIMIZE + || sql_command == SQLCOM_CREATE_INDEX + || sql_command == SQLCOM_DROP_INDEX) + && num_write_row >= 10000) { + /* ALTER TABLE is COMMITted at every 10000 copied rows. + The IX table lock for the original table has to be re-issued. + As this method will be called on a temporary table where the + contents of the original table is being copied to, it is + a bit tricky to determine the source table. The cursor + position in the source table need not be adjusted after the + intermediate COMMIT, since writes by other transactions are + being blocked by a MySQL table lock TL_WRITE_ALLOW_READ. */ + + dict_table_t* src_table; + enum lock_mode mode; + + num_write_row = 0; + + /* Commit the transaction. This will release the table + locks, so they have to be acquired again. */ + + /* Altering an InnoDB table */ + /* Get the source table. */ + src_table = lock_get_src_table( + prebuilt->trx, prebuilt->table, &mode); + if (!src_table) { +no_commit: + /* Unknown situation: do not commit */ + /* + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ALTER TABLE is holding lock" + " on %lu tables!\n", + prebuilt->trx->mysql_n_tables_locked); + */ + ; + } else if (src_table == prebuilt->table) { + /* Source table is not in InnoDB format: + no need to re-acquire locks on it. */ + + /* Altering to InnoDB format */ + innobase_commit(ht, user_thd, 1); + /* Note that this transaction is still active. */ + prebuilt->trx->active_trans = 1; + /* We will need an IX lock on the destination table. */ + prebuilt->sql_stat_start = TRUE; + } else { + /* Ensure that there are no other table locks than + LOCK_IX and LOCK_AUTO_INC on the destination table. */ + + if (!lock_is_table_exclusive(prebuilt->table, + prebuilt->trx)) { + goto no_commit; + } + + /* Commit the transaction. This will release the table + locks, so they have to be acquired again. */ + innobase_commit(ht, user_thd, 1); + /* Note that this transaction is still active. */ + prebuilt->trx->active_trans = 1; + /* Re-acquire the table lock on the source table. */ + row_lock_table_for_mysql(prebuilt, src_table, mode); + /* We will need an IX lock on the destination table. */ + prebuilt->sql_stat_start = TRUE; + } + } + + num_write_row++; + + /* This is the case where the table has an auto-increment column */ + if (table->next_number_field && record == table->record[0]) { + + /* Reset the error code before calling + innobase_get_auto_increment(). */ + prebuilt->autoinc_error = DB_SUCCESS; + + if ((error = update_auto_increment())) { + /* We don't want to mask autoinc overflow errors. */ + + /* Handle the case where the AUTOINC sub-system + failed during initialization. */ + if (prebuilt->autoinc_error == DB_UNSUPPORTED) { + error_result = ER_AUTOINC_READ_FAILED; + /* Set the error message to report too. */ + my_error(ER_AUTOINC_READ_FAILED, MYF(0)); + goto func_exit; + } else if (prebuilt->autoinc_error != DB_SUCCESS) { + error = (int) prebuilt->autoinc_error; + goto report_error; + } + + /* MySQL errors are passed straight back. */ + error_result = (int) error; + goto func_exit; + } + + auto_inc_used = TRUE; + } + + if (prebuilt->mysql_template == NULL + || prebuilt->template_type != ROW_MYSQL_WHOLE_ROW) { + + /* Build the template used in converting quickly between + the two database formats */ + + build_template(prebuilt, NULL, table, ROW_MYSQL_WHOLE_ROW); + } + + innodb_srv_conc_enter_innodb(prebuilt->trx); + + error = row_insert_for_mysql((byte*) record, prebuilt); + + /* Handle duplicate key errors */ + if (auto_inc_used) { + ulint err; + ulonglong auto_inc; + ulonglong col_max_value; + + /* Note the number of rows processed for this statement, used + by get_auto_increment() to determine the number of AUTO-INC + values to reserve. This is only useful for a mult-value INSERT + and is a statement level counter.*/ + if (trx->n_autoinc_rows > 0) { + --trx->n_autoinc_rows; + } + + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + + /* Get the value that MySQL attempted to store in the table.*/ + auto_inc = table->next_number_field->val_int(); + + switch (error) { + case DB_DUPLICATE_KEY: + + /* A REPLACE command and LOAD DATA INFILE REPLACE + handle a duplicate key error themselves, but we + must update the autoinc counter if we are performing + those statements. */ + + switch (sql_command) { + case SQLCOM_LOAD: + if ((trx->duplicates + & (TRX_DUP_IGNORE | TRX_DUP_REPLACE))) { + + goto set_max_autoinc; + } + break; + + case SQLCOM_REPLACE: + case SQLCOM_INSERT_SELECT: + case SQLCOM_REPLACE_SELECT: + goto set_max_autoinc; + + default: + break; + } + + break; + + case DB_SUCCESS: + /* If the actual value inserted is greater than + the upper limit of the interval, then we try and + update the table upper limit. Note: last_value + will be 0 if get_auto_increment() was not called.*/ + + if (auto_inc >= prebuilt->autoinc_last_value) { +set_max_autoinc: + /* This should filter out the negative + values set explicitly by the user. */ + if (auto_inc <= col_max_value) { + ut_a(prebuilt->autoinc_increment > 0); + + ulonglong need; + ulonglong offset; + + offset = prebuilt->autoinc_offset; + need = prebuilt->autoinc_increment; + + auto_inc = innobase_next_autoinc( + auto_inc, + need, offset, col_max_value); + + err = innobase_set_max_autoinc( + auto_inc); + + if (err != DB_SUCCESS) { + error = err; + } + } + } + break; + } + } + + innodb_srv_conc_exit_innodb(prebuilt->trx); + +report_error: + error_result = convert_error_code_to_mysql((int) error, + prebuilt->table->flags, + user_thd); + +func_exit: + innobase_active_small(); + + DBUG_RETURN(error_result); +} + +/**********************************************************************//** +Checks which fields have changed in a row and stores information +of them to an update vector. +@return error number or 0 */ +static +int +calc_row_difference( +/*================*/ + upd_t* uvect, /*!< in/out: update vector */ + uchar* old_row, /*!< in: old row in MySQL format */ + uchar* new_row, /*!< in: new row in MySQL format */ + TABLE* table, /*!< in: table in MySQL data + dictionary */ + uchar* upd_buff, /*!< in: buffer to use */ + ulint buff_len, /*!< in: buffer length */ + row_prebuilt_t* prebuilt, /*!< in: InnoDB prebuilt struct */ + THD* thd) /*!< in: user thread */ +{ + uchar* original_upd_buff = upd_buff; + Field* field; + enum_field_types field_mysql_type; + uint n_fields; + ulint o_len; + ulint n_len; + ulint col_pack_len; + const byte* new_mysql_row_col; + const byte* o_ptr; + const byte* n_ptr; + byte* buf; + upd_field_t* ufield; + ulint col_type; + ulint n_changed = 0; + dfield_t dfield; + dict_index_t* clust_index; + uint i; + + n_fields = table->s->fields; + clust_index = dict_table_get_first_index(prebuilt->table); + + /* We use upd_buff to convert changed fields */ + buf = (byte*) upd_buff; + + for (i = 0; i < n_fields; i++) { + field = table->field[i]; + + o_ptr = (const byte*) old_row + get_field_offset(table, field); + n_ptr = (const byte*) new_row + get_field_offset(table, field); + + /* Use new_mysql_row_col and col_pack_len save the values */ + + new_mysql_row_col = n_ptr; + col_pack_len = field->pack_length(); + + o_len = col_pack_len; + n_len = col_pack_len; + + /* We use o_ptr and n_ptr to dig up the actual data for + comparison. */ + + field_mysql_type = field->type(); + + col_type = prebuilt->table->cols[i].mtype; + + switch (col_type) { + + case DATA_BLOB: + o_ptr = row_mysql_read_blob_ref(&o_len, o_ptr, o_len); + n_ptr = row_mysql_read_blob_ref(&n_len, n_ptr, n_len); + + break; + + case DATA_VARCHAR: + case DATA_BINARY: + case DATA_VARMYSQL: + if (field_mysql_type == MYSQL_TYPE_VARCHAR) { + /* This is a >= 5.0.3 type true VARCHAR where + the real payload data length is stored in + 1 or 2 bytes */ + + o_ptr = row_mysql_read_true_varchar( + &o_len, o_ptr, + (ulint) + (((Field_varstring*)field)->length_bytes)); + + n_ptr = row_mysql_read_true_varchar( + &n_len, n_ptr, + (ulint) + (((Field_varstring*)field)->length_bytes)); + } + + break; + default: + ; + } + + if (field->null_ptr) { + if (field_in_record_is_null(table, field, + (char*) old_row)) { + o_len = UNIV_SQL_NULL; + } + + if (field_in_record_is_null(table, field, + (char*) new_row)) { + n_len = UNIV_SQL_NULL; + } + } + + if (o_len != n_len || (o_len != UNIV_SQL_NULL && + 0 != memcmp(o_ptr, n_ptr, o_len))) { + /* The field has changed */ + + ufield = uvect->fields + n_changed; + + /* Let us use a dummy dfield to make the conversion + from the MySQL column format to the InnoDB format */ + + dict_col_copy_type(prebuilt->table->cols + i, + dfield_get_type(&dfield)); + + if (n_len != UNIV_SQL_NULL) { + buf = row_mysql_store_col_in_innobase_format( + &dfield, + (byte*)buf, + TRUE, + new_mysql_row_col, + col_pack_len, + dict_table_is_comp(prebuilt->table)); + dfield_copy_data(&ufield->new_val, &dfield); + } else { + dfield_set_null(&ufield->new_val); + } + + ufield->exp = NULL; + ufield->orig_len = 0; + ufield->field_no = dict_col_get_clust_pos( + &prebuilt->table->cols[i], clust_index); + n_changed++; + } + } + + uvect->n_fields = n_changed; + uvect->info_bits = 0; + + ut_a(buf <= (byte*)original_upd_buff + buff_len); + + return(0); +} + +/**********************************************************************//** +Updates a row given as a parameter to a new value. Note that we are given +whole rows, not just the fields which are updated: this incurs some +overhead for CPU when we check which fields are actually updated. +TODO: currently InnoDB does not prevent the 'Halloween problem': +in a searched update a single row can get updated several times +if its index columns are updated! +@return error number or 0 */ +UNIV_INTERN +int +ha_innobase::update_row( +/*====================*/ + const uchar* old_row, /*!< in: old row in MySQL format */ + uchar* new_row) /*!< in: new row in MySQL format */ +{ + upd_t* uvect; + int error = 0; + trx_t* trx = thd_to_trx(user_thd); + + DBUG_ENTER("ha_innobase::update_row"); + + ut_a(prebuilt->trx == trx); + + ha_statistic_increment(&SSV::ha_update_count); + + if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_UPDATE) + table->timestamp_field->set_time(); + + if (prebuilt->upd_node) { + uvect = prebuilt->upd_node->update; + } else { + uvect = row_get_prebuilt_update_vector(prebuilt); + } + + /* Build an update vector from the modified fields in the rows + (uses upd_buff of the handle) */ + + calc_row_difference(uvect, (uchar*) old_row, new_row, table, + upd_buff, (ulint)upd_and_key_val_buff_len, + prebuilt, user_thd); + + /* This is not a delete */ + prebuilt->upd_node->is_delete = FALSE; + + ut_a(prebuilt->template_type == ROW_MYSQL_WHOLE_ROW); + + innodb_srv_conc_enter_innodb(trx); + + error = row_update_for_mysql((byte*) old_row, prebuilt); + + /* We need to do some special AUTOINC handling for the following case: + + INSERT INTO t (c1,c2) VALUES(x,y) ON DUPLICATE KEY UPDATE ... + + We need to use the AUTOINC counter that was actually used by + MySQL in the UPDATE statement, which can be different from the + value used in the INSERT statement.*/ + + if (error == DB_SUCCESS + && table->next_number_field + && new_row == table->record[0] + && thd_sql_command(user_thd) == SQLCOM_INSERT + && (trx->duplicates & (TRX_DUP_IGNORE | TRX_DUP_REPLACE)) + == TRX_DUP_IGNORE) { + + ulonglong auto_inc; + ulonglong col_max_value; + + auto_inc = table->next_number_field->val_int(); + + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + + if (auto_inc <= col_max_value && auto_inc != 0) { + + ulonglong need; + ulonglong offset; + + offset = prebuilt->autoinc_offset; + need = prebuilt->autoinc_increment; + + auto_inc = innobase_next_autoinc( + auto_inc, need, offset, col_max_value); + + error = innobase_set_max_autoinc(auto_inc); + } + } + + innodb_srv_conc_exit_innodb(trx); + + error = convert_error_code_to_mysql(error, + prebuilt->table->flags, user_thd); + + if (error == 0 /* success */ + && uvect->n_fields == 0 /* no columns were updated */) { + + /* This is the same as success, but instructs + MySQL that the row is not really updated and it + should not increase the count of updated rows. + This is fix for http://bugs.mysql.com/29157 */ + error = HA_ERR_RECORD_IS_THE_SAME; + } + + /* Tell InnoDB server that there might be work for + utility threads: */ + + innobase_active_small(); + + DBUG_RETURN(error); +} + +/**********************************************************************//** +Deletes a row given as the parameter. +@return error number or 0 */ +UNIV_INTERN +int +ha_innobase::delete_row( +/*====================*/ + const uchar* record) /*!< in: a row in MySQL format */ +{ + int error = 0; + trx_t* trx = thd_to_trx(user_thd); + + DBUG_ENTER("ha_innobase::delete_row"); + + ut_a(prebuilt->trx == trx); + + ha_statistic_increment(&SSV::ha_delete_count); + + if (!prebuilt->upd_node) { + row_get_prebuilt_update_vector(prebuilt); + } + + /* This is a delete */ + + prebuilt->upd_node->is_delete = TRUE; + + innodb_srv_conc_enter_innodb(trx); + + error = row_update_for_mysql((byte*) record, prebuilt); + + innodb_srv_conc_exit_innodb(trx); + + error = convert_error_code_to_mysql( + error, prebuilt->table->flags, user_thd); + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + innobase_active_small(); + + DBUG_RETURN(error); +} + +/**********************************************************************//** +Removes a new lock set on a row, if it was not read optimistically. This can +be called after a row has been read in the processing of an UPDATE or a DELETE +query, if the option innodb_locks_unsafe_for_binlog is set. */ +UNIV_INTERN +void +ha_innobase::unlock_row(void) +/*=========================*/ +{ + DBUG_ENTER("ha_innobase::unlock_row"); + + /* Consistent read does not take any locks, thus there is + nothing to unlock. */ + + if (prebuilt->select_lock_type == LOCK_NONE) { + DBUG_VOID_RETURN; + } + + switch (prebuilt->row_read_type) { + case ROW_READ_WITH_LOCKS: + if (!srv_locks_unsafe_for_binlog + && prebuilt->trx->isolation_level + != TRX_ISO_READ_COMMITTED) { + break; + } + /* fall through */ + case ROW_READ_TRY_SEMI_CONSISTENT: + row_unlock_for_mysql(prebuilt, FALSE); + break; + case ROW_READ_DID_SEMI_CONSISTENT: + prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; + break; + } + + DBUG_VOID_RETURN; +} + +/* See handler.h and row0mysql.h for docs on this function. */ +UNIV_INTERN +bool +ha_innobase::was_semi_consistent_read(void) +/*=======================================*/ +{ + return(prebuilt->row_read_type == ROW_READ_DID_SEMI_CONSISTENT); +} + +/* See handler.h and row0mysql.h for docs on this function. */ +UNIV_INTERN +void +ha_innobase::try_semi_consistent_read(bool yes) +/*===========================================*/ +{ + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + /* Row read type is set to semi consistent read if this was + requested by the MySQL and either innodb_locks_unsafe_for_binlog + option is used or this session is using READ COMMITTED isolation + level. */ + + if (yes + && (srv_locks_unsafe_for_binlog + || prebuilt->trx->isolation_level == TRX_ISO_READ_COMMITTED)) { + prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; + } else { + prebuilt->row_read_type = ROW_READ_WITH_LOCKS; + } +} + +/******************************************************************//** +Initializes a handle to use an index. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::index_init( +/*====================*/ + uint keynr, /*!< in: key (index) number */ + bool sorted) /*!< in: 1 if result MUST be sorted according to index */ +{ + DBUG_ENTER("index_init"); + + DBUG_RETURN(change_active_index(keynr)); +} + +/******************************************************************//** +Currently does nothing. +@return 0 */ +UNIV_INTERN +int +ha_innobase::index_end(void) +/*========================*/ +{ + int error = 0; + DBUG_ENTER("index_end"); + active_index=MAX_KEY; + DBUG_RETURN(error); +} + +/*********************************************************************//** +Converts a search mode flag understood by MySQL to a flag understood +by InnoDB. */ +static inline +ulint +convert_search_mode_to_innobase( +/*============================*/ + enum ha_rkey_function find_flag) +{ + switch (find_flag) { + case HA_READ_KEY_EXACT: + /* this does not require the index to be UNIQUE */ + return(PAGE_CUR_GE); + case HA_READ_KEY_OR_NEXT: + return(PAGE_CUR_GE); + case HA_READ_KEY_OR_PREV: + return(PAGE_CUR_LE); + case HA_READ_AFTER_KEY: + return(PAGE_CUR_G); + case HA_READ_BEFORE_KEY: + return(PAGE_CUR_L); + case HA_READ_PREFIX: + return(PAGE_CUR_GE); + case HA_READ_PREFIX_LAST: + return(PAGE_CUR_LE); + case HA_READ_PREFIX_LAST_OR_PREV: + return(PAGE_CUR_LE); + /* In MySQL-4.0 HA_READ_PREFIX and HA_READ_PREFIX_LAST always + pass a complete-field prefix of a key value as the search + tuple. I.e., it is not allowed that the last field would + just contain n first bytes of the full field value. + MySQL uses a 'padding' trick to convert LIKE 'abc%' + type queries so that it can use as a search tuple + a complete-field-prefix of a key value. Thus, the InnoDB + search mode PAGE_CUR_LE_OR_EXTENDS is never used. + TODO: when/if MySQL starts to use also partial-field + prefixes, we have to deal with stripping of spaces + and comparison of non-latin1 char type fields in + innobase_mysql_cmp() to get PAGE_CUR_LE_OR_EXTENDS to + work correctly. */ + case HA_READ_MBR_CONTAIN: + case HA_READ_MBR_INTERSECT: + case HA_READ_MBR_WITHIN: + case HA_READ_MBR_DISJOINT: + case HA_READ_MBR_EQUAL: + return(PAGE_CUR_UNSUPP); + /* do not use "default:" in order to produce a gcc warning: + enumeration value '...' not handled in switch + (if -Wswitch or -Wall is used) */ + } + + my_error(ER_CHECK_NOT_IMPLEMENTED, MYF(0), "this functionality"); + + return(PAGE_CUR_UNSUPP); +} + +/* + BACKGROUND INFO: HOW A SELECT SQL QUERY IS EXECUTED + --------------------------------------------------- +The following does not cover all the details, but explains how we determine +the start of a new SQL statement, and what is associated with it. + +For each table in the database the MySQL interpreter may have several +table handle instances in use, also in a single SQL query. For each table +handle instance there is an InnoDB 'prebuilt' struct which contains most +of the InnoDB data associated with this table handle instance. + + A) if the user has not explicitly set any MySQL table level locks: + + 1) MySQL calls ::external_lock to set an 'intention' table level lock on +the table of the handle instance. There we set +prebuilt->sql_stat_start = TRUE. The flag sql_stat_start should be set +true if we are taking this table handle instance to use in a new SQL +statement issued by the user. We also increment trx->n_mysql_tables_in_use. + + 2) If prebuilt->sql_stat_start == TRUE we 'pre-compile' the MySQL search +instructions to prebuilt->template of the table handle instance in +::index_read. The template is used to save CPU time in large joins. + + 3) In row_search_for_mysql, if prebuilt->sql_stat_start is true, we +allocate a new consistent read view for the trx if it does not yet have one, +or in the case of a locking read, set an InnoDB 'intention' table level +lock on the table. + + 4) We do the SELECT. MySQL may repeatedly call ::index_read for the +same table handle instance, if it is a join. + + 5) When the SELECT ends, MySQL removes its intention table level locks +in ::external_lock. When trx->n_mysql_tables_in_use drops to zero, + (a) we execute a COMMIT there if the autocommit is on, + (b) we also release possible 'SQL statement level resources' InnoDB may +have for this SQL statement. The MySQL interpreter does NOT execute +autocommit for pure read transactions, though it should. That is why the +table handler in that case has to execute the COMMIT in ::external_lock. + + B) If the user has explicitly set MySQL table level locks, then MySQL +does NOT call ::external_lock at the start of the statement. To determine +when we are at the start of a new SQL statement we at the start of +::index_read also compare the query id to the latest query id where the +table handle instance was used. If it has changed, we know we are at the +start of a new SQL statement. Since the query id can theoretically +overwrap, we use this test only as a secondary way of determining the +start of a new SQL statement. */ + + +/**********************************************************************//** +Positions an index cursor to the index specified in the handle. Fetches the +row if any. +@return 0, HA_ERR_KEY_NOT_FOUND, or error number */ +UNIV_INTERN +int +ha_innobase::index_read( +/*====================*/ + uchar* buf, /*!< in/out: buffer for the returned + row */ + const uchar* key_ptr, /*!< in: key value; if this is NULL + we position the cursor at the + start or end of index; this can + also contain an InnoDB row id, in + which case key_len is the InnoDB + row id length; the key value can + also be a prefix of a full key value, + and the last column can be a prefix + of a full column */ + uint key_len,/*!< in: key value length */ + enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ +{ + ulint mode; + dict_index_t* index; + ulint match_mode = 0; + int error; + ulint ret; + + DBUG_ENTER("index_read"); + + ut_a(prebuilt->trx == thd_to_trx(user_thd)); + + ha_statistic_increment(&SSV::ha_read_key_count); + + index = prebuilt->index; + + if (UNIV_UNLIKELY(index == NULL)) { + prebuilt->index_usable = FALSE; + DBUG_RETURN(HA_ERR_CRASHED); + } + + /* Note that if the index for which the search template is built is not + necessarily prebuilt->index, but can also be the clustered index */ + + if (prebuilt->sql_stat_start) { + build_template(prebuilt, user_thd, table, ROW_MYSQL_REC_FIELDS); + } + + if (key_ptr) { + /* Convert the search key value to InnoDB format into + prebuilt->search_tuple */ + + row_sel_convert_mysql_key_to_innobase( + prebuilt->search_tuple, + (byte*) key_val_buff, + (ulint)upd_and_key_val_buff_len, + index, + (byte*) key_ptr, + (ulint) key_len, + prebuilt->trx); + } else { + /* We position the cursor to the last or the first entry + in the index */ + + dtuple_set_n_fields(prebuilt->search_tuple, 0); + } + + mode = convert_search_mode_to_innobase(find_flag); + + match_mode = 0; + + if (find_flag == HA_READ_KEY_EXACT) { + + match_mode = ROW_SEL_EXACT; + + } else if (find_flag == HA_READ_PREFIX + || find_flag == HA_READ_PREFIX_LAST) { + + match_mode = ROW_SEL_EXACT_PREFIX; + } + + last_match_mode = (uint) match_mode; + + if (mode != PAGE_CUR_UNSUPP) { + + innodb_srv_conc_enter_innodb(prebuilt->trx); + + ret = row_search_for_mysql((byte*) buf, mode, prebuilt, + match_mode, 0); + + innodb_srv_conc_exit_innodb(prebuilt->trx); + } else { + + ret = DB_UNSUPPORTED; + } + + switch (ret) { + case DB_SUCCESS: + error = 0; + table->status = 0; + break; + case DB_RECORD_NOT_FOUND: + error = HA_ERR_KEY_NOT_FOUND; + table->status = STATUS_NOT_FOUND; + break; + case DB_END_OF_INDEX: + error = HA_ERR_KEY_NOT_FOUND; + table->status = STATUS_NOT_FOUND; + break; + default: + error = convert_error_code_to_mysql((int) ret, + prebuilt->table->flags, + user_thd); + table->status = STATUS_NOT_FOUND; + break; + } + + DBUG_RETURN(error); +} + +/*******************************************************************//** +The following functions works like index_read, but it find the last +row with the current key value or prefix. +@return 0, HA_ERR_KEY_NOT_FOUND, or an error code */ +UNIV_INTERN +int +ha_innobase::index_read_last( +/*=========================*/ + uchar* buf, /*!< out: fetched row */ + const uchar* key_ptr,/*!< in: key value, or a prefix of a full + key value */ + uint key_len)/*!< in: length of the key val or prefix + in bytes */ +{ + return(index_read(buf, key_ptr, key_len, HA_READ_PREFIX_LAST)); +} + +/********************************************************************//** +Get the index for a handle. Does not change active index. +@return NULL or index instance. */ +UNIV_INTERN +dict_index_t* +ha_innobase::innobase_get_index( +/*============================*/ + uint keynr) /*!< in: use this index; MAX_KEY means always + clustered index, even if it was internally + generated by InnoDB */ +{ + KEY* key = 0; + dict_index_t* index = 0; + + DBUG_ENTER("innobase_get_index"); + ha_statistic_increment(&SSV::ha_read_key_count); + + if (keynr != MAX_KEY && table->s->keys > 0) { + key = table->key_info + keynr; + + index = innobase_index_lookup(share, keynr); + + if (index) { + ut_a(ut_strcmp(index->name, key->name) == 0); + } else { + /* Can't find index with keynr in the translation + table. Only print message if the index translation + table exists */ + if (share->idx_trans_tbl.index_mapping) { + sql_print_error("InnoDB could not find " + "index %s key no %u for " + "table %s through its " + "index translation table", + key ? key->name : "NULL", + keynr, + prebuilt->table->name); + } + + index = dict_table_get_index_on_name(prebuilt->table, + key->name); + } + } else { + index = dict_table_get_first_index(prebuilt->table); + } + + if (!index) { + sql_print_error( + "Innodb could not find key n:o %u with name %s " + "from dict cache for table %s", + keynr, key ? key->name : "NULL", + prebuilt->table->name); + } + + DBUG_RETURN(index); +} + +/********************************************************************//** +Changes the active index of a handle. +@return 0 or error code */ +UNIV_INTERN +int +ha_innobase::change_active_index( +/*=============================*/ + uint keynr) /*!< in: use this index; MAX_KEY means always clustered + index, even if it was internally generated by + InnoDB */ +{ + DBUG_ENTER("change_active_index"); + + ut_ad(user_thd == ha_thd()); + ut_a(prebuilt->trx == thd_to_trx(user_thd)); + + active_index = keynr; + + prebuilt->index = innobase_get_index(keynr); + + if (UNIV_UNLIKELY(!prebuilt->index)) { + sql_print_warning("InnoDB: change_active_index(%u) failed", + keynr); + prebuilt->index_usable = FALSE; + DBUG_RETURN(1); + } + + prebuilt->index_usable = row_merge_is_index_usable(prebuilt->trx, + prebuilt->index); + + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + push_warning_printf(user_thd, MYSQL_ERROR::WARN_LEVEL_WARN, + HA_ERR_TABLE_DEF_CHANGED, + "InnoDB: insufficient history for index %u", + keynr); + /* The caller seems to ignore this. Thus, we must check + this again in row_search_for_mysql(). */ + DBUG_RETURN(2); + } + + ut_a(prebuilt->search_tuple != 0); + + dtuple_set_n_fields(prebuilt->search_tuple, prebuilt->index->n_fields); + + dict_index_copy_types(prebuilt->search_tuple, prebuilt->index, + prebuilt->index->n_fields); + + /* MySQL changes the active index for a handle also during some + queries, for example SELECT MAX(a), SUM(a) first retrieves the MAX() + and then calculates the sum. Previously we played safe and used + the flag ROW_MYSQL_WHOLE_ROW below, but that caused unnecessary + copying. Starting from MySQL-4.1 we use a more efficient flag here. */ + + build_template(prebuilt, user_thd, table, ROW_MYSQL_REC_FIELDS); + + DBUG_RETURN(0); +} + +/**********************************************************************//** +Positions an index cursor to the index specified in keynr. Fetches the +row if any. +??? This is only used to read whole keys ??? +@return error number or 0 */ +UNIV_INTERN +int +ha_innobase::index_read_idx( +/*========================*/ + uchar* buf, /*!< in/out: buffer for the returned + row */ + uint keynr, /*!< in: use this index */ + const uchar* key, /*!< in: key value; if this is NULL + we position the cursor at the + start or end of index */ + uint key_len, /*!< in: key value length */ + enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ +{ + if (change_active_index(keynr)) { + + return(1); + } + + return(index_read(buf, key, key_len, find_flag)); +} + +/***********************************************************************//** +Reads the next or previous row from a cursor, which must have previously been +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ +UNIV_INTERN +int +ha_innobase::general_fetch( +/*=======================*/ + uchar* buf, /*!< in/out: buffer for next row in MySQL + format */ + uint direction, /*!< in: ROW_SEL_NEXT or ROW_SEL_PREV */ + uint match_mode) /*!< in: 0, ROW_SEL_EXACT, or + ROW_SEL_EXACT_PREFIX */ +{ + ulint ret; + int error = 0; + + DBUG_ENTER("general_fetch"); + + ut_a(prebuilt->trx == thd_to_trx(user_thd)); + + innodb_srv_conc_enter_innodb(prebuilt->trx); + + ret = row_search_for_mysql( + (byte*)buf, 0, prebuilt, match_mode, direction); + + innodb_srv_conc_exit_innodb(prebuilt->trx); + + switch (ret) { + case DB_SUCCESS: + error = 0; + table->status = 0; + break; + case DB_RECORD_NOT_FOUND: + error = HA_ERR_END_OF_FILE; + table->status = STATUS_NOT_FOUND; + break; + case DB_END_OF_INDEX: + error = HA_ERR_END_OF_FILE; + table->status = STATUS_NOT_FOUND; + break; + default: + error = convert_error_code_to_mysql( + (int) ret, prebuilt->table->flags, user_thd); + table->status = STATUS_NOT_FOUND; + break; + } + + DBUG_RETURN(error); +} + +/***********************************************************************//** +Reads the next row from a cursor, which must have previously been +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ +UNIV_INTERN +int +ha_innobase::index_next( +/*====================*/ + uchar* buf) /*!< in/out: buffer for next row in MySQL + format */ +{ + ha_statistic_increment(&SSV::ha_read_next_count); + + return(general_fetch(buf, ROW_SEL_NEXT, 0)); +} + +/*******************************************************************//** +Reads the next row matching to the key value given as the parameter. +@return 0, HA_ERR_END_OF_FILE, or error number */ +UNIV_INTERN +int +ha_innobase::index_next_same( +/*=========================*/ + uchar* buf, /*!< in/out: buffer for the row */ + const uchar* key, /*!< in: key value */ + uint keylen) /*!< in: key value length */ +{ + ha_statistic_increment(&SSV::ha_read_next_count); + + return(general_fetch(buf, ROW_SEL_NEXT, last_match_mode)); +} + +/***********************************************************************//** +Reads the previous row from a cursor, which must have previously been +positioned using index_read. +@return 0, HA_ERR_END_OF_FILE, or error number */ +UNIV_INTERN +int +ha_innobase::index_prev( +/*====================*/ + uchar* buf) /*!< in/out: buffer for previous row in MySQL format */ +{ + ha_statistic_increment(&SSV::ha_read_prev_count); + + return(general_fetch(buf, ROW_SEL_PREV, 0)); +} + +/********************************************************************//** +Positions a cursor on the first record in an index and reads the +corresponding row to buf. +@return 0, HA_ERR_END_OF_FILE, or error code */ +UNIV_INTERN +int +ha_innobase::index_first( +/*=====================*/ + uchar* buf) /*!< in/out: buffer for the row */ +{ + int error; + + DBUG_ENTER("index_first"); + ha_statistic_increment(&SSV::ha_read_first_count); + + error = index_read(buf, NULL, 0, HA_READ_AFTER_KEY); + + /* MySQL does not seem to allow this to return HA_ERR_KEY_NOT_FOUND */ + + if (error == HA_ERR_KEY_NOT_FOUND) { + error = HA_ERR_END_OF_FILE; + } + + DBUG_RETURN(error); +} + +/********************************************************************//** +Positions a cursor on the last record in an index and reads the +corresponding row to buf. +@return 0, HA_ERR_END_OF_FILE, or error code */ +UNIV_INTERN +int +ha_innobase::index_last( +/*====================*/ + uchar* buf) /*!< in/out: buffer for the row */ +{ + int error; + + DBUG_ENTER("index_last"); + ha_statistic_increment(&SSV::ha_read_last_count); + + error = index_read(buf, NULL, 0, HA_READ_BEFORE_KEY); + + /* MySQL does not seem to allow this to return HA_ERR_KEY_NOT_FOUND */ + + if (error == HA_ERR_KEY_NOT_FOUND) { + error = HA_ERR_END_OF_FILE; + } + + DBUG_RETURN(error); +} + +/****************************************************************//** +Initialize a table scan. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::rnd_init( +/*==================*/ + bool scan) /*!< in: TRUE if table/index scan FALSE otherwise */ +{ + int err; + + /* Store the active index value so that we can restore the original + value after a scan */ + + if (prebuilt->clust_index_was_generated) { + err = change_active_index(MAX_KEY); + } else { + err = change_active_index(primary_key); + } + + /* Don't use semi-consistent read in random row reads (by position). + This means we must disable semi_consistent_read if scan is false */ + + if (!scan) { + try_semi_consistent_read(0); + } + + start_of_scan = 1; + + return(err); +} + +/*****************************************************************//** +Ends a table scan. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::rnd_end(void) +/*======================*/ +{ + return(index_end()); +} + +/*****************************************************************//** +Reads the next row in a table scan (also used to read the FIRST row +in a table scan). +@return 0, HA_ERR_END_OF_FILE, or error number */ +UNIV_INTERN +int +ha_innobase::rnd_next( +/*==================*/ + uchar* buf) /*!< in/out: returns the row in this buffer, + in MySQL format */ +{ + int error; + + DBUG_ENTER("rnd_next"); + ha_statistic_increment(&SSV::ha_read_rnd_next_count); + + if (start_of_scan) { + error = index_first(buf); + + if (error == HA_ERR_KEY_NOT_FOUND) { + error = HA_ERR_END_OF_FILE; + } + + start_of_scan = 0; + } else { + error = general_fetch(buf, ROW_SEL_NEXT, 0); + } + + DBUG_RETURN(error); +} + +/**********************************************************************//** +Fetches a row from the table based on a row reference. +@return 0, HA_ERR_KEY_NOT_FOUND, or error code */ +UNIV_INTERN +int +ha_innobase::rnd_pos( +/*=================*/ + uchar* buf, /*!< in/out: buffer for the row */ + uchar* pos) /*!< in: primary key value of the row in the + MySQL format, or the row id if the clustered + index was internally generated by InnoDB; the + length of data in pos has to be ref_length */ +{ + int error; + uint keynr = active_index; + DBUG_ENTER("rnd_pos"); + DBUG_DUMP("key", pos, ref_length); + + ha_statistic_increment(&SSV::ha_read_rnd_count); + + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + if (prebuilt->clust_index_was_generated) { + /* No primary key was defined for the table and we + generated the clustered index from the row id: the + row reference is the row id, not any key value + that MySQL knows of */ + + error = change_active_index(MAX_KEY); + } else { + error = change_active_index(primary_key); + } + + if (error) { + DBUG_PRINT("error", ("Got error: %d", error)); + DBUG_RETURN(error); + } + + /* Note that we assume the length of the row reference is fixed + for the table, and it is == ref_length */ + + error = index_read(buf, pos, ref_length, HA_READ_KEY_EXACT); + + if (error) { + DBUG_PRINT("error", ("Got error: %d", error)); + } + + change_active_index(keynr); + + DBUG_RETURN(error); +} + +/*********************************************************************//** +Stores a reference to the current row to 'ref' field of the handle. Note +that in the case where we have generated the clustered index for the +table, the function parameter is illogical: we MUST ASSUME that 'record' +is the current 'position' of the handle, because if row ref is actually +the row id internally generated in InnoDB, then 'record' does not contain +it. We just guess that the row id must be for the record where the handle +was positioned the last time. */ +UNIV_INTERN +void +ha_innobase::position( +/*==================*/ + const uchar* record) /*!< in: row in MySQL format */ +{ + uint len; + + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + if (prebuilt->clust_index_was_generated) { + /* No primary key was defined for the table and we + generated the clustered index from row id: the + row reference will be the row id, not any key value + that MySQL knows of */ + + len = DATA_ROW_ID_LEN; + + memcpy(ref, prebuilt->row_id, len); + } else { + len = store_key_val_for_row(primary_key, (char*)ref, + ref_length, record); + } + + /* We assume that the 'ref' value len is always fixed for the same + table. */ + + if (len != ref_length) { + sql_print_error("Stored ref len is %lu, but table ref len is %lu", + (ulong) len, (ulong) ref_length); + } +} + +/* limit innodb monitor access to users with PROCESS privilege. +See http://bugs.mysql.com/32710 for expl. why we choose PROCESS. */ +#define IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(table_name, thd) \ + (row_is_magic_monitor_table(table_name) \ + && check_global_access(thd, PROCESS_ACL)) + +/*****************************************************************//** +Creates a table definition to an InnoDB database. */ +static +int +create_table_def( +/*=============*/ + trx_t* trx, /*!< in: InnoDB transaction handle */ + TABLE* form, /*!< in: information on table + columns and indexes */ + const char* table_name, /*!< in: table name */ + const char* path_of_temp_table,/*!< in: if this is a table explicitly + created by the user with the + TEMPORARY keyword, then this + parameter is the dir path where the + table should be placed if we create + an .ibd file for it (no .ibd extension + in the path, though); otherwise this + is NULL */ + ulint flags) /*!< in: table flags */ +{ + Field* field; + dict_table_t* table; + ulint n_cols; + int error; + ulint col_type; + ulint col_len; + ulint nulls_allowed; + ulint unsigned_type; + ulint binary_type; + ulint long_true_varchar; + ulint charset_no; + ulint i; + + DBUG_ENTER("create_table_def"); + DBUG_PRINT("enter", ("table_name: %s", table_name)); + + ut_a(trx->mysql_thd != NULL); + if (IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(table_name, + (THD*) trx->mysql_thd)) { + DBUG_RETURN(HA_ERR_GENERIC); + } + + n_cols = form->s->fields; + + /* We pass 0 as the space id, and determine at a lower level the space + id where to store the table */ + + table = dict_mem_table_create(table_name, 0, n_cols, flags); + + if (path_of_temp_table) { + table->dir_path_of_temp_table = + mem_heap_strdup(table->heap, path_of_temp_table); + } + + for (i = 0; i < n_cols; i++) { + field = form->field[i]; + + col_type = get_innobase_type_from_mysql_type(&unsigned_type, + field); + if (field->null_ptr) { + nulls_allowed = 0; + } else { + nulls_allowed = DATA_NOT_NULL; + } + + if (field->binary()) { + binary_type = DATA_BINARY_TYPE; + } else { + binary_type = 0; + } + + charset_no = 0; + + if (dtype_is_string_type(col_type)) { + + charset_no = (ulint)field->charset()->number; + + if (UNIV_UNLIKELY(charset_no >= 256)) { + /* in data0type.h we assume that the + number fits in one byte in prtype */ + push_warning_printf( + (THD*) trx->mysql_thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_CREATE_TABLE, + "In InnoDB, charset-collation codes" + " must be below 256." + " Unsupported code %lu.", + (ulong) charset_no); + DBUG_RETURN(ER_CANT_CREATE_TABLE); + } + } + + ut_a(field->type() < 256); /* we assume in dtype_form_prtype() + that this fits in one byte */ + col_len = field->pack_length(); + + /* The MySQL pack length contains 1 or 2 bytes length field + for a true VARCHAR. Let us subtract that, so that the InnoDB + column length in the InnoDB data dictionary is the real + maximum byte length of the actual data. */ + + long_true_varchar = 0; + + if (field->type() == MYSQL_TYPE_VARCHAR) { + col_len -= ((Field_varstring*)field)->length_bytes; + + if (((Field_varstring*)field)->length_bytes == 2) { + long_true_varchar = DATA_LONG_TRUE_VARCHAR; + } + } + + /* First check whether the column to be added has a + system reserved name. */ + if (dict_col_name_is_reserved(field->field_name)){ + my_error(ER_WRONG_COLUMN_NAME, MYF(0), + field->field_name); + + dict_mem_table_free(table); + trx_commit_for_mysql(trx); + + error = DB_ERROR; + goto error_ret; + } + + dict_mem_table_add_col(table, table->heap, + (char*) field->field_name, + col_type, + dtype_form_prtype( + (ulint)field->type() + | nulls_allowed | unsigned_type + | binary_type | long_true_varchar, + charset_no), + col_len); + } + + error = row_create_table_for_mysql(table, trx); + + if (error == DB_DUPLICATE_KEY) { + char buf[100]; + char* buf_end = innobase_convert_identifier( + buf, sizeof buf - 1, table_name, strlen(table_name), + trx->mysql_thd, TRUE); + + *buf_end = '\0'; + my_error(ER_TABLE_EXISTS_ERROR, MYF(0), buf); + } + +error_ret: + error = convert_error_code_to_mysql(error, flags, NULL); + + DBUG_RETURN(error); +} + +/*****************************************************************//** +Creates an index in an InnoDB database. */ +static +int +create_index( +/*=========*/ + trx_t* trx, /*!< in: InnoDB transaction handle */ + TABLE* form, /*!< in: information on table + columns and indexes */ + ulint flags, /*!< in: InnoDB table flags */ + const char* table_name, /*!< in: table name */ + uint key_num) /*!< in: index number */ +{ + Field* field; + dict_index_t* index; + int error; + ulint n_fields; + KEY* key; + KEY_PART_INFO* key_part; + ulint ind_type; + ulint col_type; + ulint prefix_len; + ulint is_unsigned; + ulint i; + ulint j; + ulint* field_lengths; + + DBUG_ENTER("create_index"); + + key = form->key_info + key_num; + + n_fields = key->key_parts; + + /* Assert that "GEN_CLUST_INDEX" cannot be used as non-primary index */ + ut_a(innobase_strcasecmp(key->name, innobase_index_reserve_name) != 0); + + ind_type = 0; + + if (key_num == form->s->primary_key) { + ind_type = ind_type | DICT_CLUSTERED; + } + + if (key->flags & HA_NOSAME ) { + ind_type = ind_type | DICT_UNIQUE; + } + + /* We pass 0 as the space id, and determine at a lower level the space + id where to store the table */ + + index = dict_mem_index_create(table_name, key->name, 0, + ind_type, n_fields); + + field_lengths = (ulint*) my_malloc(sizeof(ulint) * n_fields, + MYF(MY_FAE)); + + for (i = 0; i < n_fields; i++) { + key_part = key->key_part + i; + + /* (The flag HA_PART_KEY_SEG denotes in MySQL a column prefix + field in an index: we only store a specified number of first + bytes of the column to the index field.) The flag does not + seem to be properly set by MySQL. Let us fall back on testing + the length of the key part versus the column. */ + + field = NULL; + for (j = 0; j < form->s->fields; j++) { + + field = form->field[j]; + + if (0 == innobase_strcasecmp( + field->field_name, + key_part->field->field_name)) { + /* Found the corresponding column */ + + break; + } + } + + ut_a(j < form->s->fields); + + col_type = get_innobase_type_from_mysql_type( + &is_unsigned, key_part->field); + + if (DATA_BLOB == col_type + || (key_part->length < field->pack_length() + && field->type() != MYSQL_TYPE_VARCHAR) + || (field->type() == MYSQL_TYPE_VARCHAR + && key_part->length < field->pack_length() + - ((Field_varstring*)field)->length_bytes)) { + + prefix_len = key_part->length; + + if (col_type == DATA_INT + || col_type == DATA_FLOAT + || col_type == DATA_DOUBLE + || col_type == DATA_DECIMAL) { + sql_print_error( + "MySQL is trying to create a column " + "prefix index field, on an " + "inappropriate data type. Table " + "name %s, column name %s.", + table_name, + key_part->field->field_name); + + prefix_len = 0; + } + } else { + prefix_len = 0; + } + + field_lengths[i] = key_part->length; + + dict_mem_index_add_field(index, + (char*) key_part->field->field_name, prefix_len); + } + + /* Even though we've defined max_supported_key_part_length, we + still do our own checking using field_lengths to be absolutely + sure we don't create too long indexes. */ + error = row_create_index_for_mysql(index, trx, field_lengths); + + error = convert_error_code_to_mysql(error, flags, NULL); + + my_free(field_lengths, MYF(0)); + + DBUG_RETURN(error); +} + +/*****************************************************************//** +Creates an index to an InnoDB table when the user has defined no +primary index. */ +static +int +create_clustered_index_when_no_primary( +/*===================================*/ + trx_t* trx, /*!< in: InnoDB transaction handle */ + ulint flags, /*!< in: InnoDB table flags */ + const char* table_name) /*!< in: table name */ +{ + dict_index_t* index; + int error; + + /* We pass 0 as the space id, and determine at a lower level the space + id where to store the table */ + index = dict_mem_index_create(table_name, + innobase_index_reserve_name, + 0, DICT_CLUSTERED, 0); + + error = row_create_index_for_mysql(index, trx, NULL); + + error = convert_error_code_to_mysql(error, flags, NULL); + + return(error); +} + +/*****************************************************************//** +Validates the create options. We may build on this function +in future. For now, it checks two specifiers: +KEY_BLOCK_SIZE and ROW_FORMAT +If innodb_strict_mode is not set then this function is a no-op +@return TRUE if valid. */ +static +ibool +create_options_are_valid( +/*=====================*/ + THD* thd, /*!< in: connection thread. */ + TABLE* form, /*!< in: information on table + columns and indexes */ + HA_CREATE_INFO* create_info) /*!< in: create info. */ +{ + ibool kbs_specified = FALSE; + ibool ret = TRUE; + + + ut_ad(thd != NULL); + + /* If innodb_strict_mode is not set don't do any validation. */ + if (!(THDVAR(thd, strict_mode))) { + return(TRUE); + } + + ut_ad(form != NULL); + ut_ad(create_info != NULL); + + /* First check if KEY_BLOCK_SIZE was specified. */ + if (create_info->key_block_size + || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { + + kbs_specified = TRUE; + switch (create_info->key_block_size) { + case 1: + case 2: + case 4: + case 8: + case 16: + /* Valid value. */ + break; + default: + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: invalid" + " KEY_BLOCK_SIZE = %lu." + " Valid values are" + " [1, 2, 4, 8, 16]", + create_info->key_block_size); + ret = FALSE; + } + } + + /* If KEY_BLOCK_SIZE was specified, check for its + dependencies. */ + if (kbs_specified && !srv_file_per_table) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_per_table."); + ret = FALSE; + } + + if (kbs_specified && srv_file_format < DICT_TF_FORMAT_ZIP) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_format >" + " Antelope."); + ret = FALSE; + } + + /* Now check for ROW_FORMAT specifier. */ + if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { + switch (form->s->row_type) { + const char* row_format_name; + case ROW_TYPE_COMPRESSED: + case ROW_TYPE_DYNAMIC: + row_format_name + = form->s->row_type == ROW_TYPE_COMPRESSED + ? "COMPRESSED" + : "DYNAMIC"; + + /* These two ROW_FORMATs require + srv_file_per_table and srv_file_format */ + if (!srv_file_per_table) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_per_table.", + row_format_name); + ret = FALSE; + + } + + if (srv_file_format < DICT_TF_FORMAT_ZIP) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_format >" + " Antelope.", + row_format_name); + ret = FALSE; + } + + /* Cannot specify KEY_BLOCK_SIZE with + ROW_FORMAT = DYNAMIC. + However, we do allow COMPRESSED to be + specified with KEY_BLOCK_SIZE. */ + if (kbs_specified + && form->s->row_type == ROW_TYPE_DYNAMIC) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: cannot specify" + " ROW_FORMAT = DYNAMIC with" + " KEY_BLOCK_SIZE."); + ret = FALSE; + } + + break; + + case ROW_TYPE_REDUNDANT: + case ROW_TYPE_COMPACT: + case ROW_TYPE_DEFAULT: + /* Default is COMPACT. */ + row_format_name + = form->s->row_type == ROW_TYPE_REDUNDANT + ? "REDUNDANT" + : "COMPACT"; + + /* Cannot specify KEY_BLOCK_SIZE with these + format specifiers. */ + if (kbs_specified) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: cannot specify" + " ROW_FORMAT = %s with" + " KEY_BLOCK_SIZE.", + row_format_name); + ret = FALSE; + } + + break; + + default: + push_warning(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: invalid ROW_FORMAT specifier."); + ret = FALSE; + + } + } + + return(ret); +} + +/*****************************************************************//** +Update create_info. Used in SHOW CREATE TABLE et al. */ +UNIV_INTERN +void +ha_innobase::update_create_info( +/*============================*/ + HA_CREATE_INFO* create_info) /*!< in/out: create info */ +{ + if (!(create_info->used_fields & HA_CREATE_USED_AUTO)) { + ha_innobase::info(HA_STATUS_AUTO); + create_info->auto_increment_value = stats.auto_increment_value; + } +} + +/*****************************************************************//** +Creates a new table to an InnoDB database. +@return error number */ +UNIV_INTERN +int +ha_innobase::create( +/*================*/ + const char* name, /*!< in: table name */ + TABLE* form, /*!< in: information on table + columns and indexes */ + HA_CREATE_INFO* create_info) /*!< in: more information of the + created table, contains also the + create statement string */ +{ + int error; + dict_table_t* innobase_table; + trx_t* parent_trx; + trx_t* trx; + int primary_key_no; + uint i; + char name2[FN_REFLEN]; + char norm_name[FN_REFLEN]; + THD* thd = ha_thd(); + ib_int64_t auto_inc_value; + ulint flags; + /* Cache the value of innodb_file_format, in case it is + modified by another thread while the table is being created. */ + const ulint file_format = srv_file_format; + + DBUG_ENTER("ha_innobase::create"); + + DBUG_ASSERT(thd != NULL); + DBUG_ASSERT(create_info != NULL); + +#ifdef __WIN__ + /* Names passed in from server are in two formats: + 1. /: for normal table creation + 2. full path: for temp table creation, or sym link + + When srv_file_per_table is on and mysqld_embedded is off, + check for full path pattern, i.e. + X:\dir\..., X is a driver letter, or + \\dir1\dir2\..., UNC path + returns error if it is in full path format, but not creating a temp. + table. Currently InnoDB does not support symbolic link on Windows. */ + + if (srv_file_per_table + && !mysqld_embedded + && (!create_info->options & HA_LEX_CREATE_TMP_TABLE)) { + + if ((name[1] == ':') + || (name[0] == '\\' && name[1] == '\\')) { + sql_print_error("Cannot create table %s\n", name); + DBUG_RETURN(HA_ERR_GENERIC); + } + } +#endif + + if (form->s->fields > 1000) { + /* The limit probably should be REC_MAX_N_FIELDS - 3 = 1020, + but we play safe here */ + + DBUG_RETURN(HA_ERR_TO_BIG_ROW); + } + + /* Get the transaction associated with the current thd, or create one + if not yet created */ + + parent_trx = check_trx_exists(thd); + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(parent_trx); + + trx = innobase_trx_allocate(thd); + + if (lower_case_table_names) { + srv_lower_case_table_names = TRUE; + } else { + srv_lower_case_table_names = FALSE; + } + + strcpy(name2, name); + + normalize_table_name(norm_name, name2); + + /* Latch the InnoDB data dictionary exclusively so that no deadlocks + or lock waits can happen in it during a table create operation. + Drop table etc. do this latching in row0mysql.c. */ + + row_mysql_lock_data_dictionary(trx); + + /* Create the table definition in InnoDB */ + + flags = 0; + + /* Validate create options if innodb_strict_mode is set. */ + if (!create_options_are_valid(thd, form, create_info)) { + error = ER_ILLEGAL_HA_CREATE_OPTION; + goto cleanup; + } + + if (create_info->key_block_size + || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { + /* Determine the page_zip.ssize corresponding to the + requested page size (key_block_size) in kilobytes. */ + + ulint ssize, ksize; + ulint key_block_size = create_info->key_block_size; + + for (ssize = ksize = 1; ssize <= DICT_TF_ZSSIZE_MAX; + ssize++, ksize <<= 1) { + if (key_block_size == ksize) { + flags = ssize << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; + break; + } + } + + if (!srv_file_per_table) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_per_table."); + flags = 0; + } + + if (file_format < DICT_TF_FORMAT_ZIP) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: KEY_BLOCK_SIZE" + " requires innodb_file_format >" + " Antelope."); + flags = 0; + } + + if (!flags) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ignoring" + " KEY_BLOCK_SIZE=%lu.", + create_info->key_block_size); + } + } + + if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { + if (flags) { + /* KEY_BLOCK_SIZE was specified. */ + if (form->s->row_type != ROW_TYPE_COMPRESSED) { + /* ROW_FORMAT other than COMPRESSED + ignores KEY_BLOCK_SIZE. It does not + make sense to reject conflicting + KEY_BLOCK_SIZE and ROW_FORMAT, because + such combinations can be obtained + with ALTER TABLE anyway. */ + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ignoring KEY_BLOCK_SIZE=%lu" + " unless ROW_FORMAT=COMPRESSED.", + create_info->key_block_size); + flags = 0; + } + } else { + /* No KEY_BLOCK_SIZE */ + if (form->s->row_type == ROW_TYPE_COMPRESSED) { + /* ROW_FORMAT=COMPRESSED without + KEY_BLOCK_SIZE implies half the + maximum KEY_BLOCK_SIZE. */ + flags = (DICT_TF_ZSSIZE_MAX - 1) + << DICT_TF_ZSSIZE_SHIFT + | DICT_TF_COMPACT + | DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT; +#if DICT_TF_ZSSIZE_MAX < 1 +# error "DICT_TF_ZSSIZE_MAX < 1" +#endif + } + } + + switch (form->s->row_type) { + const char* row_format_name; + case ROW_TYPE_REDUNDANT: + break; + case ROW_TYPE_COMPRESSED: + case ROW_TYPE_DYNAMIC: + row_format_name + = form->s->row_type == ROW_TYPE_COMPRESSED + ? "COMPRESSED" + : "DYNAMIC"; + + if (!srv_file_per_table) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_per_table.", + row_format_name); + } else if (file_format < DICT_TF_FORMAT_ZIP) { + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: ROW_FORMAT=%s" + " requires innodb_file_format >" + " Antelope.", + row_format_name); + } else { + flags |= DICT_TF_COMPACT + | (DICT_TF_FORMAT_ZIP + << DICT_TF_FORMAT_SHIFT); + break; + } + + /* fall through */ + case ROW_TYPE_NOT_USED: + case ROW_TYPE_FIXED: + default: + push_warning(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_ILLEGAL_HA_CREATE_OPTION, + "InnoDB: assuming ROW_FORMAT=COMPACT."); + case ROW_TYPE_DEFAULT: + case ROW_TYPE_COMPACT: + flags = DICT_TF_COMPACT; + break; + } + } else if (!flags) { + /* No KEY_BLOCK_SIZE or ROW_FORMAT specified: + use ROW_FORMAT=COMPACT by default. */ + flags = DICT_TF_COMPACT; + } + + /* Look for a primary key */ + + primary_key_no= (form->s->primary_key != MAX_KEY ? + (int) form->s->primary_key : + -1); + + /* Our function row_get_mysql_key_number_for_index assumes + the primary key is always number 0, if it exists */ + + ut_a(primary_key_no == -1 || primary_key_no == 0); + + /* Check for name conflicts (with reserved name) for + any user indices to be created. */ + if (innobase_index_name_is_reserved(trx, form->key_info, + form->s->keys)) { + error = -1; + goto cleanup; + } + + if (create_info->options & HA_LEX_CREATE_TMP_TABLE) { + flags |= DICT_TF2_TEMPORARY << DICT_TF2_SHIFT; + } + + error = create_table_def(trx, form, norm_name, + create_info->options & HA_LEX_CREATE_TMP_TABLE ? name2 : NULL, + flags); + + if (error) { + goto cleanup; + } + + + /* Create the keys */ + + if (form->s->keys == 0 || primary_key_no == -1) { + /* Create an index which is used as the clustered index; + order the rows by their row id which is internally generated + by InnoDB */ + + error = create_clustered_index_when_no_primary( + trx, flags, norm_name); + if (error) { + goto cleanup; + } + } + + if (primary_key_no != -1) { + /* In InnoDB the clustered index must always be created + first */ + if ((error = create_index(trx, form, flags, norm_name, + (uint) primary_key_no))) { + goto cleanup; + } + } + + for (i = 0; i < form->s->keys; i++) { + + if (i != (uint) primary_key_no) { + + if ((error = create_index(trx, form, flags, norm_name, + i))) { + goto cleanup; + } + } + } + + if (*trx->mysql_query_str) { + error = row_table_add_foreign_constraints(trx, + *trx->mysql_query_str, norm_name, + create_info->options & HA_LEX_CREATE_TMP_TABLE); + + error = convert_error_code_to_mysql(error, flags, NULL); + + if (error) { + goto cleanup; + } + } + + innobase_commit_low(trx); + + row_mysql_unlock_data_dictionary(trx); + + /* Flush the log to reduce probability that the .frm files and + the InnoDB data dictionary get out-of-sync if the user runs + with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + + innobase_table = dict_table_get(norm_name, FALSE); + + DBUG_ASSERT(innobase_table != 0); + + if (innobase_table) { + /* We update the highest file format in the system table + space, if this table has higher file format setting. */ + + trx_sys_file_format_max_upgrade( + (const char**) &innobase_file_format_check, + dict_table_get_format(innobase_table)); + } + + /* Note: We can't call update_thd() as prebuilt will not be + setup at this stage and so we use thd. */ + + /* We need to copy the AUTOINC value from the old table if + this is an ALTER TABLE or CREATE INDEX because CREATE INDEX + does a table copy too. */ + + if (((create_info->used_fields & HA_CREATE_USED_AUTO) + || thd_sql_command(thd) == SQLCOM_ALTER_TABLE + || thd_sql_command(thd) == SQLCOM_CREATE_INDEX) + && create_info->auto_increment_value > 0) { + + /* Query was one of : + CREATE TABLE ...AUTO_INCREMENT = x; or + ALTER TABLE...AUTO_INCREMENT = x; or + CREATE INDEX x on t(...); + Find out a table definition from the dictionary and get + the current value of the auto increment field. Set a new + value to the auto increment field if the value is greater + than the maximum value in the column. */ + + auto_inc_value = create_info->auto_increment_value; + + dict_table_autoinc_lock(innobase_table); + dict_table_autoinc_initialize(innobase_table, auto_inc_value); + dict_table_autoinc_unlock(innobase_table); + } + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + trx_free_for_mysql(trx); + + DBUG_RETURN(0); + +cleanup: + innobase_commit_low(trx); + + row_mysql_unlock_data_dictionary(trx); + + trx_free_for_mysql(trx); + + DBUG_RETURN(error); +} + +/*****************************************************************//** +Discards or imports an InnoDB tablespace. +@return 0 == success, -1 == error */ +UNIV_INTERN +int +ha_innobase::discard_or_import_tablespace( +/*======================================*/ + my_bool discard) /*!< in: TRUE if discard, else import */ +{ + dict_table_t* dict_table; + trx_t* trx; + int err; + + DBUG_ENTER("ha_innobase::discard_or_import_tablespace"); + + ut_a(prebuilt->trx); + ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + dict_table = prebuilt->table; + trx = prebuilt->trx; + + if (discard) { + err = row_discard_tablespace_for_mysql(dict_table->name, trx); + } else { + err = row_import_tablespace_for_mysql(dict_table->name, trx); + } + + err = convert_error_code_to_mysql(err, dict_table->flags, NULL); + + DBUG_RETURN(err); +} + +/*****************************************************************//** +Deletes all rows of an InnoDB table. +@return error number */ +UNIV_INTERN +int +ha_innobase::delete_all_rows(void) +/*==============================*/ +{ + int error; + + DBUG_ENTER("ha_innobase::delete_all_rows"); + + /* Get the transaction associated with the current thd, or create one + if not yet created, and update prebuilt->trx */ + + update_thd(ha_thd()); + + if (thd_sql_command(user_thd) != SQLCOM_TRUNCATE) { + fallback: + /* We only handle TRUNCATE TABLE t as a special case. + DELETE FROM t will have to use ha_innobase::delete_row(), + because DELETE is transactional while TRUNCATE is not. */ + DBUG_RETURN(my_errno=HA_ERR_WRONG_COMMAND); + } + + /* Truncate the table in InnoDB */ + + error = row_truncate_table_for_mysql(prebuilt->table, prebuilt->trx); + if (error == DB_ERROR) { + /* Cannot truncate; resort to ha_innobase::delete_row() */ + goto fallback; + } + + error = convert_error_code_to_mysql(error, prebuilt->table->flags, + NULL); + + DBUG_RETURN(error); +} + +/*****************************************************************//** +Drops a table from an InnoDB database. Before calling this function, +MySQL calls innobase_commit to commit the transaction of the current user. +Then the current user cannot have locks set on the table. Drop table +operation inside InnoDB will remove all locks any user has on the table +inside InnoDB. +@return error number */ +UNIV_INTERN +int +ha_innobase::delete_table( +/*======================*/ + const char* name) /*!< in: table name */ +{ + ulint name_len; + int error; + trx_t* parent_trx; + trx_t* trx; + THD *thd = ha_thd(); + char norm_name[1000]; + + DBUG_ENTER("ha_innobase::delete_table"); + + /* Strangely, MySQL passes the table name without the '.frm' + extension, in contrast to ::create */ + normalize_table_name(norm_name, name); + + if (IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(norm_name, thd)) { + DBUG_RETURN(HA_ERR_GENERIC); + } + + /* Get the transaction associated with the current thd, or create one + if not yet created */ + + parent_trx = check_trx_exists(thd); + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(parent_trx); + + trx = innobase_trx_allocate(thd); + + if (lower_case_table_names) { + srv_lower_case_table_names = TRUE; + } else { + srv_lower_case_table_names = FALSE; + } + + name_len = strlen(name); + + ut_a(name_len < 1000); + + /* Drop the table in InnoDB */ + + error = row_drop_table_for_mysql(norm_name, trx, + thd_sql_command(thd) + == SQLCOM_DROP_DB); + + /* Flush the log to reduce probability that the .frm files and + the InnoDB data dictionary get out-of-sync if the user runs + with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + innobase_commit_low(trx); + + trx_free_for_mysql(trx); + + error = convert_error_code_to_mysql(error, 0, NULL); + + DBUG_RETURN(error); +} + +/*****************************************************************//** +Removes all tables in the named database inside InnoDB. */ +static +void +innobase_drop_database( +/*===================*/ + handlerton *hton, /*!< in: handlerton of Innodb */ + char* path) /*!< in: database path; inside InnoDB the name + of the last directory in the path is used as + the database name: for example, in 'mysql/data/test' + the database name is 'test' */ +{ + ulint len = 0; + trx_t* trx; + char* ptr; + int error; + char* namebuf; + THD* thd = current_thd; + + /* Get the transaction associated with the current thd, or create one + if not yet created */ + + DBUG_ASSERT(hton == innodb_hton_ptr); + + /* In the Windows plugin, thd = current_thd is always NULL */ + if (thd) { + trx_t* parent_trx = check_trx_exists(thd); + + /* In case MySQL calls this in the middle of a SELECT + query, release possible adaptive hash latch to avoid + deadlocks of threads */ + + trx_search_latch_release_if_reserved(parent_trx); + } + + ptr = strend(path) - 2; + + while (ptr >= path && *ptr != '\\' && *ptr != '/') { + ptr--; + len++; + } + + ptr++; + namebuf = (char*) my_malloc((uint) len + 2, MYF(0)); + + memcpy(namebuf, ptr, len); + namebuf[len] = '/'; + namebuf[len + 1] = '\0'; +#ifdef __WIN__ + innobase_casedn_str(namebuf); +#endif +#if defined __WIN__ && !defined MYSQL_SERVER + /* In the Windows plugin, thd = current_thd is always NULL */ + trx = trx_allocate_for_mysql(); + trx->mysql_thd = NULL; + trx->mysql_query_str = NULL; +#else + trx = innobase_trx_allocate(thd); +#endif + error = row_drop_database_for_mysql(namebuf, trx); + my_free(namebuf, MYF(0)); + + /* Flush the log to reduce probability that the .frm files and + the InnoDB data dictionary get out-of-sync if the user runs + with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + innobase_commit_low(trx); + trx_free_for_mysql(trx); +} +/*********************************************************************//** +Renames an InnoDB table. +@return 0 or error code */ +static +int +innobase_rename_table( +/*==================*/ + trx_t* trx, /*!< in: transaction */ + const char* from, /*!< in: old name of the table */ + const char* to, /*!< in: new name of the table */ + ibool lock_and_commit) + /*!< in: TRUE=lock data dictionary and commit */ +{ + int error; + char* norm_to; + char* norm_from; + + if (lower_case_table_names) { + srv_lower_case_table_names = TRUE; + } else { + srv_lower_case_table_names = FALSE; + } + + // Magic number 64 arbitrary + norm_to = (char*) my_malloc(strlen(to) + 64, MYF(0)); + norm_from = (char*) my_malloc(strlen(from) + 64, MYF(0)); + + normalize_table_name(norm_to, to); + normalize_table_name(norm_from, from); + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + if (lock_and_commit) { + row_mysql_lock_data_dictionary(trx); + } + + error = row_rename_table_for_mysql( + norm_from, norm_to, trx, lock_and_commit); + + if (error != DB_SUCCESS) { + FILE* ef = dict_foreign_err_file; + + fputs("InnoDB: Renaming table ", ef); + ut_print_name(ef, trx, TRUE, norm_from); + fputs(" to ", ef); + ut_print_name(ef, trx, TRUE, norm_to); + fputs(" failed!\n", ef); + } + + if (lock_and_commit) { + row_mysql_unlock_data_dictionary(trx); + + /* Flush the log to reduce probability that the .frm + files and the InnoDB data dictionary get out-of-sync + if the user runs with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + } + + my_free(norm_to, MYF(0)); + my_free(norm_from, MYF(0)); + + return error; +} +/*********************************************************************//** +Renames an InnoDB table. +@return 0 or error code */ +UNIV_INTERN +int +ha_innobase::rename_table( +/*======================*/ + const char* from, /*!< in: old name of the table */ + const char* to) /*!< in: new name of the table */ +{ + trx_t* trx; + int error; + trx_t* parent_trx; + THD* thd = ha_thd(); + + DBUG_ENTER("ha_innobase::rename_table"); + + /* Get the transaction associated with the current thd, or create one + if not yet created */ + + parent_trx = check_trx_exists(thd); + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(parent_trx); + + trx = innobase_trx_allocate(thd); + + error = innobase_rename_table(trx, from, to, TRUE); + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + innobase_commit_low(trx); + trx_free_for_mysql(trx); + + /* Add a special case to handle the Duplicated Key error + and return DB_ERROR instead. + This is to avoid a possible SIGSEGV error from mysql error + handling code. Currently, mysql handles the Duplicated Key + error by re-entering the storage layer and getting dup key + info by calling get_dup_key(). This operation requires a valid + table handle ('row_prebuilt_t' structure) which could no + longer be available in the error handling stage. The suggested + solution is to report a 'table exists' error message (since + the dup key error here is due to an existing table whose name + is the one we are trying to rename to) and return the generic + error code. */ + if (error == (int) DB_DUPLICATE_KEY) { + my_error(ER_TABLE_EXISTS_ERROR, MYF(0), to); + + error = DB_ERROR; + } + + error = convert_error_code_to_mysql(error, 0, NULL); + + DBUG_RETURN(error); +} + +/*********************************************************************//** +Estimates the number of index records in a range. +@return estimated number of rows */ +UNIV_INTERN +ha_rows +ha_innobase::records_in_range( +/*==========================*/ + uint keynr, /*!< in: index number */ + key_range *min_key, /*!< in: start key value of the + range, may also be 0 */ + key_range *max_key) /*!< in: range end key val, may + also be 0 */ +{ + KEY* key; + dict_index_t* index; + uchar* key_val_buff2 = (uchar*) my_malloc( + table->s->reclength + + table->s->max_key_length + 100, + MYF(MY_FAE)); + ulint buff2_len = table->s->reclength + + table->s->max_key_length + 100; + dtuple_t* range_start; + dtuple_t* range_end; + ib_int64_t n_rows; + ulint mode1; + ulint mode2; + mem_heap_t* heap; + + DBUG_ENTER("records_in_range"); + + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + prebuilt->trx->op_info = (char*)"estimating records in index range"; + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(prebuilt->trx); + + active_index = keynr; + + key = table->key_info + active_index; + + index = innobase_get_index(keynr); + + /* There exists possibility of not being able to find requested + index due to inconsistency between MySQL and InoDB dictionary info. + Necessary message should have been printed in innobase_get_index() */ + if (UNIV_UNLIKELY(!index)) { + n_rows = HA_POS_ERROR; + goto func_exit; + } + + heap = mem_heap_create(2 * (key->key_parts * sizeof(dfield_t) + + sizeof(dtuple_t))); + + range_start = dtuple_create(heap, key->key_parts); + dict_index_copy_types(range_start, index, key->key_parts); + + range_end = dtuple_create(heap, key->key_parts); + dict_index_copy_types(range_end, index, key->key_parts); + + row_sel_convert_mysql_key_to_innobase( + range_start, (byte*) key_val_buff, + (ulint)upd_and_key_val_buff_len, + index, + (byte*) (min_key ? min_key->key : + (const uchar*) 0), + (ulint) (min_key ? min_key->length : 0), + prebuilt->trx); + + row_sel_convert_mysql_key_to_innobase( + range_end, (byte*) key_val_buff2, + buff2_len, index, + (byte*) (max_key ? max_key->key : + (const uchar*) 0), + (ulint) (max_key ? max_key->length : 0), + prebuilt->trx); + + mode1 = convert_search_mode_to_innobase(min_key ? min_key->flag : + HA_READ_KEY_EXACT); + mode2 = convert_search_mode_to_innobase(max_key ? max_key->flag : + HA_READ_KEY_EXACT); + + if (mode1 != PAGE_CUR_UNSUPP && mode2 != PAGE_CUR_UNSUPP) { + + n_rows = btr_estimate_n_rows_in_range(index, range_start, + mode1, range_end, + mode2); + } else { + + n_rows = HA_POS_ERROR; + } + + mem_heap_free(heap); + +func_exit: + my_free(key_val_buff2, MYF(0)); + + prebuilt->trx->op_info = (char*)""; + + /* The MySQL optimizer seems to believe an estimate of 0 rows is + always accurate and may return the result 'Empty set' based on that. + The accuracy is not guaranteed, and even if it were, for a locking + read we should anyway perform the search to set the next-key lock. + Add 1 to the value to make sure MySQL does not make the assumption! */ + + if (n_rows == 0) { + n_rows = 1; + } + + DBUG_RETURN((ha_rows) n_rows); +} + +/*********************************************************************//** +Gives an UPPER BOUND to the number of rows in a table. This is used in +filesort.cc. +@return upper bound of rows */ +UNIV_INTERN +ha_rows +ha_innobase::estimate_rows_upper_bound(void) +/*======================================*/ +{ + dict_index_t* index; + ulonglong estimate; + ulonglong local_data_file_length; + + DBUG_ENTER("estimate_rows_upper_bound"); + + /* We do not know if MySQL can call this function before calling + external_lock(). To be safe, update the thd of the current table + handle. */ + + update_thd(ha_thd()); + + prebuilt->trx->op_info = (char*) + "calculating upper bound for table rows"; + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(prebuilt->trx); + + index = dict_table_get_first_index(prebuilt->table); + + ut_a(index->stat_n_leaf_pages > 0); + + local_data_file_length = + ((ulonglong) index->stat_n_leaf_pages) * UNIV_PAGE_SIZE; + + + /* Calculate a minimum length for a clustered index record and from + that an upper bound for the number of rows. Since we only calculate + new statistics in row0mysql.c when a table has grown by a threshold + factor, we must add a safety factor 2 in front of the formula below. */ + + estimate = 2 * local_data_file_length / + dict_index_calc_min_rec_len(index); + + prebuilt->trx->op_info = (char*)""; + + DBUG_RETURN((ha_rows) estimate); +} + +/*********************************************************************//** +How many seeks it will take to read through the table. This is to be +comparable to the number returned by records_in_range so that we can +decide if we should scan the table or use keys. +@return estimated time measured in disk seeks */ +UNIV_INTERN +double +ha_innobase::scan_time() +/*====================*/ +{ + /* Since MySQL seems to favor table scans too much over index + searches, we pretend that a sequential read takes the same time + as a random disk read, that is, we do not divide the following + by 10, which would be physically realistic. */ + + return((double) (prebuilt->table->stat_clustered_index_size)); +} + +/******************************************************************//** +Calculate the time it takes to read a set of ranges through an index +This enables us to optimise reads for clustered indexes. +@return estimated time measured in disk seeks */ +UNIV_INTERN +double +ha_innobase::read_time( +/*===================*/ + uint index, /*!< in: key number */ + uint ranges, /*!< in: how many ranges */ + ha_rows rows) /*!< in: estimated number of rows in the ranges */ +{ + ha_rows total_rows; + double time_for_scan; + + if (index != table->s->primary_key) { + /* Not clustered */ + return(handler::read_time(index, ranges, rows)); + } + + if (rows <= 2) { + + return((double) rows); + } + + /* Assume that the read time is proportional to the scan time for all + rows + at most one seek per range. */ + + time_for_scan = scan_time(); + + if ((total_rows = estimate_rows_upper_bound()) < rows) { + + return(time_for_scan); + } + + return(ranges + (double) rows / (double) total_rows * time_for_scan); +} + +/*********************************************************************//** +Returns statistics information of the table to the MySQL interpreter, +in various fields of the handle object. */ +UNIV_INTERN +int +ha_innobase::info( +/*==============*/ + uint flag) /*!< in: what information MySQL requests */ +{ + dict_table_t* ib_table; + dict_index_t* index; + ha_rows rec_per_key; + ib_int64_t n_rows; + ulong j; + ulong i; + char path[FN_REFLEN]; + os_file_stat_t stat_info; + + + DBUG_ENTER("info"); + + /* If we are forcing recovery at a high level, we will suppress + statistics calculation on tables, because that may crash the + server if an index is badly corrupted. */ + + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { + + /* We return success (0) instead of HA_ERR_CRASHED, + because we want MySQL to process this query and not + stop, like it would do if it received the error code + HA_ERR_CRASHED. */ + + DBUG_RETURN(0); + } + + /* We do not know if MySQL can call this function before calling + external_lock(). To be safe, update the thd of the current table + handle. */ + + update_thd(ha_thd()); + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + prebuilt->trx->op_info = (char*)"returning various info to MySQL"; + + trx_search_latch_release_if_reserved(prebuilt->trx); + + ib_table = prebuilt->table; + + if (flag & HA_STATUS_TIME) { + if (innobase_stats_on_metadata) { + /* In sql_show we call with this flag: update + then statistics so that they are up-to-date */ + + prebuilt->trx->op_info = "updating table statistics"; + + dict_update_statistics(ib_table); + + prebuilt->trx->op_info = "returning various info to MySQL"; + } + + my_snprintf(path, sizeof(path), "%s/%s%s", + mysql_data_home, ib_table->name, reg_ext); + + unpack_filename(path,path); + + /* Note that we do not know the access time of the table, + nor the CHECK TABLE time, nor the UPDATE or INSERT time. */ + + if (os_file_get_status(path,&stat_info)) { + stats.create_time = (ulong) stat_info.ctime; + } + } + + if (flag & HA_STATUS_VARIABLE) { + n_rows = ib_table->stat_n_rows; + + /* Because we do not protect stat_n_rows by any mutex in a + delete, it is theoretically possible that the value can be + smaller than zero! TODO: fix this race. + + The MySQL optimizer seems to assume in a left join that n_rows + is an accurate estimate if it is zero. Of course, it is not, + since we do not have any locks on the rows yet at this phase. + Since SHOW TABLE STATUS seems to call this function with the + HA_STATUS_TIME flag set, while the left join optimizer does not + set that flag, we add one to a zero value if the flag is not + set. That way SHOW TABLE STATUS will show the best estimate, + while the optimizer never sees the table empty. */ + + if (n_rows < 0) { + n_rows = 0; + } + + if (n_rows == 0 && !(flag & HA_STATUS_TIME)) { + n_rows++; + } + + /* Fix bug#40386: Not flushing query cache after truncate. + n_rows can not be 0 unless the table is empty, set to 1 + instead. The original problem of bug#29507 is actually + fixed in the server code. */ + if (thd_sql_command(user_thd) == SQLCOM_TRUNCATE) { + + n_rows = 1; + + /* We need to reset the prebuilt value too, otherwise + checks for values greater than the last value written + to the table will fail and the autoinc counter will + not be updated. This will force write_row() into + attempting an update of the table's AUTOINC counter. */ + + prebuilt->autoinc_last_value = 0; + } + + stats.records = (ha_rows)n_rows; + stats.deleted = 0; + stats.data_file_length = ((ulonglong) + ib_table->stat_clustered_index_size) + * UNIV_PAGE_SIZE; + stats.index_file_length = ((ulonglong) + ib_table->stat_sum_of_other_index_sizes) + * UNIV_PAGE_SIZE; + + /* Since fsp_get_available_space_in_free_extents() is + acquiring latches inside InnoDB, we do not call it if we + are asked by MySQL to avoid locking. Another reason to + avoid the call is that it uses quite a lot of CPU. + See Bug#38185. + We do not update delete_length if no locking is requested + so the "old" value can remain. delete_length is initialized + to 0 in the ha_statistics' constructor. */ + if (!(flag & HA_STATUS_NO_LOCK)) { + + /* lock the data dictionary to avoid races with + ibd_file_missing and tablespace_discarded */ + row_mysql_lock_data_dictionary(prebuilt->trx); + + /* ib_table->space must be an existent tablespace */ + if (!ib_table->ibd_file_missing + && !ib_table->tablespace_discarded) { + + stats.delete_length = + fsp_get_available_space_in_free_extents( + ib_table->space) * 1024; + } else { + + THD* thd; + + thd = ha_thd(); + + push_warning_printf( + thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_GET_STAT, + "InnoDB: Trying to get the free " + "space for table %s but its " + "tablespace has been discarded or " + "the .ibd file is missing. Setting " + "the free space to zero.", + ib_table->name); + + stats.delete_length = 0; + } + + row_mysql_unlock_data_dictionary(prebuilt->trx); + } + + stats.check_time = 0; + + if (stats.records == 0) { + stats.mean_rec_length = 0; + } else { + stats.mean_rec_length = (ulong) (stats.data_file_length / stats.records); + } + } + + if (flag & HA_STATUS_CONST) { + /* Verify the number of index in InnoDB and MySQL + matches up. If prebuilt->clust_index_was_generated + holds, InnoDB defines GEN_CLUST_INDEX internally */ + ulint num_innodb_index = UT_LIST_GET_LEN(ib_table->indexes) + - prebuilt->clust_index_was_generated; + + if (table->s->keys != num_innodb_index) { + sql_print_error("Table %s contains %lu " + "indexes inside InnoDB, which " + "is different from the number of " + "indexes %u defined in the MySQL ", + ib_table->name, num_innodb_index, + table->s->keys); + } + + for (i = 0; i < table->s->keys; i++) { + /* We could get index quickly through internal + index mapping with the index translation table. + The identity of index (match up index name with + that of table->key_info[i]) is already verified in + innobase_get_index(). */ + index = innobase_get_index(i); + + if (index == NULL) { + sql_print_error("Table %s contains fewer " + "indexes inside InnoDB than " + "are defined in the MySQL " + ".frm file. Have you mixed up " + ".frm files from different " + "installations? See " + REFMAN + "innodb-troubleshooting.html\n", + ib_table->name); + break; + } + + for (j = 0; j < table->key_info[i].key_parts; j++) { + + if (j + 1 > index->n_uniq) { + sql_print_error( +"Index %s of %s has %lu columns unique inside InnoDB, but MySQL is asking " +"statistics for %lu columns. Have you mixed up .frm files from different " +"installations? " +"See " REFMAN "innodb-troubleshooting.html\n", + index->name, + ib_table->name, + (unsigned long) + index->n_uniq, j + 1); + break; + } + + if (index->stat_n_diff_key_vals[j + 1] == 0) { + + rec_per_key = stats.records; + } else { + rec_per_key = (ha_rows)(stats.records / + index->stat_n_diff_key_vals[j + 1]); + } + + /* Since MySQL seems to favor table scans + too much over index searches, we pretend + index selectivity is 2 times better than + our estimate: */ + + rec_per_key = rec_per_key / 2; + + if (rec_per_key == 0) { + rec_per_key = 1; + } + + table->key_info[i].rec_per_key[j]= + rec_per_key >= ~(ulong) 0 ? ~(ulong) 0 : + (ulong) rec_per_key; + } + } + } + + if (flag & HA_STATUS_ERRKEY) { + const dict_index_t* err_index; + + ut_a(prebuilt->trx); + ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); + + err_index = trx_get_error_info(prebuilt->trx); + + if (err_index) { + errkey = (unsigned int) + row_get_mysql_key_number_for_index(err_index); + } else { + errkey = (unsigned int) prebuilt->trx->error_key_num; + } + } + + if ((flag & HA_STATUS_AUTO) && table->found_next_number_field) { + stats.auto_increment_value = innobase_peek_autoinc(); + } + + prebuilt->trx->op_info = (char*)""; + + DBUG_RETURN(0); +} + +/**********************************************************************//** +Updates index cardinalities of the table, based on 8 random dives into +each index tree. This does NOT calculate exact statistics on the table. +@return returns always 0 (success) */ +UNIV_INTERN +int +ha_innobase::analyze( +/*=================*/ + THD* thd, /*!< in: connection thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ +{ + /* Serialize ANALYZE TABLE inside InnoDB, see + Bug#38996 Race condition in ANALYZE TABLE */ + pthread_mutex_lock(&analyze_mutex); + + /* Simply call ::info() with all the flags */ + info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); + + pthread_mutex_unlock(&analyze_mutex); + + return(0); +} + +/**********************************************************************//** +This is mapped to "ALTER TABLE tablename ENGINE=InnoDB", which rebuilds +the table in MySQL. */ +UNIV_INTERN +int +ha_innobase::optimize( +/*==================*/ + THD* thd, /*!< in: connection thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ +{ + return(HA_ADMIN_TRY_ALTER); +} + +/*******************************************************************//** +Tries to check that an InnoDB table is not corrupted. If corruption is +noticed, prints to stderr information about it. In case of corruption +may also assert a failure and crash the server. +@return HA_ADMIN_CORRUPT or HA_ADMIN_OK */ +UNIV_INTERN +int +ha_innobase::check( +/*===============*/ + THD* thd, /*!< in: user thread handle */ + HA_CHECK_OPT* check_opt) /*!< in: check options, currently + ignored */ +{ + dict_index_t* index; + ulint n_rows; + ulint n_rows_in_table = ULINT_UNDEFINED; + ibool is_ok = TRUE; + ulint old_isolation_level; + + DBUG_ENTER("ha_innobase::check"); + DBUG_ASSERT(thd == ha_thd()); + ut_a(prebuilt->trx); + ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); + ut_a(prebuilt->trx == thd_to_trx(thd)); + + if (prebuilt->mysql_template == NULL) { + /* Build the template; we will use a dummy template + in index scans done in checking */ + + build_template(prebuilt, NULL, table, ROW_MYSQL_WHOLE_ROW); + } + + if (prebuilt->table->ibd_file_missing) { + sql_print_error("InnoDB: Error:\n" + "InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir, or have you" + " used DISCARD TABLESPACE?\n" + "InnoDB: Please refer to\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + DBUG_RETURN(HA_ADMIN_CORRUPT); + } + + prebuilt->trx->op_info = "checking table"; + + old_isolation_level = prebuilt->trx->isolation_level; + + /* We must run the index record counts at an isolation level + >= READ COMMITTED, because a dirty read can see a wrong number + of records in some index; to play safe, we use always + REPEATABLE READ here */ + + prebuilt->trx->isolation_level = TRX_ISO_REPEATABLE_READ; + + /* Enlarge the fatal lock wait timeout during CHECK TABLE. */ + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + for (index = dict_table_get_first_index(prebuilt->table); + index != NULL; + index = dict_table_get_next_index(index)) { +#if 0 + fputs("Validating index ", stderr); + ut_print_name(stderr, trx, FALSE, index->name); + putc('\n', stderr); +#endif + + if (!btr_validate_index(index, prebuilt->trx)) { + is_ok = FALSE; + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The B-tree of" + " index '%-.200s' is corrupted.", + index->name); + continue; + } + + /* Instead of invoking change_active_index(), set up + a dummy template for non-locking reads, disabling + access to the clustered index. */ + prebuilt->index = index; + + prebuilt->index_usable = row_merge_is_index_usable( + prebuilt->trx, prebuilt->index); + + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + HA_ERR_TABLE_DEF_CHANGED, + "InnoDB: Insufficient history for" + " index '%-.200s'", + index->name); + continue; + } + + prebuilt->sql_stat_start = TRUE; + prebuilt->template_type = ROW_MYSQL_DUMMY_TEMPLATE; + prebuilt->n_template = 0; + prebuilt->need_to_access_clustered = FALSE; + + dtuple_set_n_fields(prebuilt->search_tuple, 0); + + prebuilt->select_lock_type = LOCK_NONE; + + if (!row_check_index_for_mysql(prebuilt, index, &n_rows)) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The B-tree of" + " index '%-.200s' is corrupted.", + index->name); + is_ok = FALSE; + } + + if (thd_killed(user_thd)) { + break; + } + +#if 0 + fprintf(stderr, "%lu entries in index %s\n", n_rows, + index->name); +#endif + + if (index == dict_table_get_first_index(prebuilt->table)) { + n_rows_in_table = n_rows; + } else if (n_rows != n_rows_in_table) { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: Index '%-.200s'" + " contains %lu entries," + " should be %lu.", + index->name, + (ulong) n_rows, + (ulong) n_rows_in_table); + is_ok = FALSE; + } + } + + /* Restore the original isolation level */ + prebuilt->trx->isolation_level = old_isolation_level; + + /* We validate also the whole adaptive hash index for all tables + at every CHECK TABLE */ + + if (!btr_search_validate()) { + push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_NOT_KEYFILE, + "InnoDB: The adaptive hash index is corrupted."); + is_ok = FALSE; + } + + /* Restore the fatal lock wait timeout after CHECK TABLE. */ + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); + + prebuilt->trx->op_info = ""; + if (thd_killed(user_thd)) { + my_error(ER_QUERY_INTERRUPTED, MYF(0)); + } + + DBUG_RETURN(is_ok ? HA_ADMIN_OK : HA_ADMIN_CORRUPT); +} + +/*************************************************************//** +Adds information about free space in the InnoDB tablespace to a table comment +which is printed out when a user calls SHOW TABLE STATUS. Adds also info on +foreign keys. +@return table comment + InnoDB free space + info on foreign keys */ +UNIV_INTERN +char* +ha_innobase::update_table_comment( +/*==============================*/ + const char* comment)/*!< in: table comment defined by user */ +{ + uint length = (uint) strlen(comment); + char* str; + long flen; + + /* We do not know if MySQL can call this function before calling + external_lock(). To be safe, update the thd of the current table + handle. */ + + if (length > 64000 - 3) { + return((char*)comment); /* string too long */ + } + + update_thd(ha_thd()); + + prebuilt->trx->op_info = (char*)"returning table comment"; + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads */ + + trx_search_latch_release_if_reserved(prebuilt->trx); + str = NULL; + + /* output the data to a temporary file */ + + mutex_enter(&srv_dict_tmpfile_mutex); + rewind(srv_dict_tmpfile); + + fprintf(srv_dict_tmpfile, "InnoDB free: %llu kB", + fsp_get_available_space_in_free_extents( + prebuilt->table->space)); + + dict_print_info_on_foreign_keys(FALSE, srv_dict_tmpfile, + prebuilt->trx, prebuilt->table); + flen = ftell(srv_dict_tmpfile); + if (flen < 0) { + flen = 0; + } else if (length + flen + 3 > 64000) { + flen = 64000 - 3 - length; + } + + /* allocate buffer for the full string, and + read the contents of the temporary file */ + + str = (char*) my_malloc(length + flen + 3, MYF(0)); + + if (str) { + char* pos = str + length; + if (length) { + memcpy(str, comment, length); + *pos++ = ';'; + *pos++ = ' '; + } + rewind(srv_dict_tmpfile); + flen = (uint) fread(pos, 1, flen, srv_dict_tmpfile); + pos[flen] = 0; + } + + mutex_exit(&srv_dict_tmpfile_mutex); + + prebuilt->trx->op_info = (char*)""; + + return(str ? str : (char*) comment); +} + +/*******************************************************************//** +Gets the foreign key create info for a table stored in InnoDB. +@return own: character string in the form which can be inserted to the +CREATE TABLE statement, MUST be freed with +ha_innobase::free_foreign_key_create_info */ +UNIV_INTERN +char* +ha_innobase::get_foreign_key_create_info(void) +/*==========================================*/ +{ + char* str = 0; + long flen; + + ut_a(prebuilt != NULL); + + /* We do not know if MySQL can call this function before calling + external_lock(). To be safe, update the thd of the current table + handle. */ + + update_thd(ha_thd()); + + prebuilt->trx->op_info = (char*)"getting info on foreign keys"; + + /* In case MySQL calls this in the middle of a SELECT query, + release possible adaptive hash latch to avoid + deadlocks of threads */ + + trx_search_latch_release_if_reserved(prebuilt->trx); + + mutex_enter(&srv_dict_tmpfile_mutex); + rewind(srv_dict_tmpfile); + + /* output the data to a temporary file */ + dict_print_info_on_foreign_keys(TRUE, srv_dict_tmpfile, + prebuilt->trx, prebuilt->table); + prebuilt->trx->op_info = (char*)""; + + flen = ftell(srv_dict_tmpfile); + if (flen < 0) { + flen = 0; + } else if (flen > 64000 - 1) { + flen = 64000 - 1; + } + + /* allocate buffer for the string, and + read the contents of the temporary file */ + + str = (char*) my_malloc(flen + 1, MYF(0)); + + if (str) { + rewind(srv_dict_tmpfile); + flen = (uint) fread(str, 1, flen, srv_dict_tmpfile); + str[flen] = 0; + } + + mutex_exit(&srv_dict_tmpfile_mutex); + + return(str); +} + + +UNIV_INTERN +int +ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) +{ + dict_foreign_t* foreign; + + DBUG_ENTER("get_foreign_key_list"); + ut_a(prebuilt != NULL); + update_thd(ha_thd()); + prebuilt->trx->op_info = (char*)"getting list of foreign keys"; + trx_search_latch_release_if_reserved(prebuilt->trx); + mutex_enter(&(dict_sys->mutex)); + foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list); + + while (foreign != NULL) { + uint i; + FOREIGN_KEY_INFO f_key_info; + LEX_STRING *name= 0; + uint ulen; + char uname[NAME_LEN+1]; /* Unencoded name */ + char db_name[NAME_LEN+1]; + const char *tmp_buff; + + tmp_buff= foreign->id; + i= 0; + while (tmp_buff[i] != '/') + i++; + tmp_buff+= i + 1; + f_key_info.forein_id = thd_make_lex_string(thd, 0, + tmp_buff, (uint) strlen(tmp_buff), 1); + tmp_buff= foreign->referenced_table_name; + + /* Database name */ + i= 0; + while (tmp_buff[i] != '/') + { + db_name[i]= tmp_buff[i]; + i++; + } + db_name[i]= 0; + ulen= filename_to_tablename(db_name, uname, sizeof(uname)); + f_key_info.referenced_db = thd_make_lex_string(thd, 0, + uname, ulen, 1); + + /* Table name */ + tmp_buff+= i + 1; + ulen= filename_to_tablename(tmp_buff, uname, sizeof(uname)); + f_key_info.referenced_table = thd_make_lex_string(thd, 0, + uname, ulen, 1); + + for (i= 0;;) { + tmp_buff= foreign->foreign_col_names[i]; + name = thd_make_lex_string(thd, name, + tmp_buff, (uint) strlen(tmp_buff), 1); + f_key_info.foreign_fields.push_back(name); + tmp_buff= foreign->referenced_col_names[i]; + name = thd_make_lex_string(thd, name, + tmp_buff, (uint) strlen(tmp_buff), 1); + f_key_info.referenced_fields.push_back(name); + if (++i >= foreign->n_fields) + break; + } + + ulong length; + if (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE) + { + length=7; + tmp_buff= "CASCADE"; + } + else if (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL) + { + length=8; + tmp_buff= "SET NULL"; + } + else if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) + { + length=9; + tmp_buff= "NO ACTION"; + } + else + { + length=8; + tmp_buff= "RESTRICT"; + } + f_key_info.delete_method = thd_make_lex_string( + thd, f_key_info.delete_method, tmp_buff, length, 1); + + + if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) + { + length=7; + tmp_buff= "CASCADE"; + } + else if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) + { + length=8; + tmp_buff= "SET NULL"; + } + else if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) + { + length=9; + tmp_buff= "NO ACTION"; + } + else + { + length=8; + tmp_buff= "RESTRICT"; + } + f_key_info.update_method = thd_make_lex_string( + thd, f_key_info.update_method, tmp_buff, length, 1); + if (foreign->referenced_index && + foreign->referenced_index->name) + { + f_key_info.referenced_key_name = thd_make_lex_string( + thd, f_key_info.referenced_key_name, + foreign->referenced_index->name, + (uint) strlen(foreign->referenced_index->name), 1); + } + else + f_key_info.referenced_key_name= 0; + + FOREIGN_KEY_INFO *pf_key_info = (FOREIGN_KEY_INFO *) + thd_memdup(thd, &f_key_info, sizeof(FOREIGN_KEY_INFO)); + f_key_list->push_back(pf_key_info); + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + mutex_exit(&(dict_sys->mutex)); + prebuilt->trx->op_info = (char*)""; + + DBUG_RETURN(0); +} + +/*****************************************************************//** +Checks if ALTER TABLE may change the storage engine of the table. +Changing storage engines is not allowed for tables for which there +are foreign key constraints (parent or child tables). +@return TRUE if can switch engines */ +UNIV_INTERN +bool +ha_innobase::can_switch_engines(void) +/*=================================*/ +{ + bool can_switch; + + DBUG_ENTER("ha_innobase::can_switch_engines"); + + ut_a(prebuilt->trx == thd_to_trx(ha_thd())); + + prebuilt->trx->op_info = + "determining if there are foreign key constraints"; + row_mysql_lock_data_dictionary(prebuilt->trx); + + can_switch = !UT_LIST_GET_FIRST(prebuilt->table->referenced_list) + && !UT_LIST_GET_FIRST(prebuilt->table->foreign_list); + + row_mysql_unlock_data_dictionary(prebuilt->trx); + prebuilt->trx->op_info = ""; + + DBUG_RETURN(can_switch); +} + +/*******************************************************************//** +Checks if a table is referenced by a foreign key. The MySQL manual states that +a REPLACE is either equivalent to an INSERT, or DELETE(s) + INSERT. Only a +delete is then allowed internally to resolve a duplicate key conflict in +REPLACE, not an update. +@return > 0 if referenced by a FOREIGN KEY */ +UNIV_INTERN +uint +ha_innobase::referenced_by_foreign_key(void) +/*========================================*/ +{ + if (dict_table_is_referenced_by_foreign_key(prebuilt->table)) { + + return(1); + } + + return(0); +} + +/*******************************************************************//** +Frees the foreign key create info for a table stored in InnoDB, if it is +non-NULL. */ +UNIV_INTERN +void +ha_innobase::free_foreign_key_create_info( +/*======================================*/ + char* str) /*!< in, own: create info string to free */ +{ + if (str) { + my_free(str, MYF(0)); + } +} + +/*******************************************************************//** +Tells something additional to the handler about how to do things. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::extra( +/*===============*/ + enum ha_extra_function operation) + /*!< in: HA_EXTRA_FLUSH or some other flag */ +{ + /* Warning: since it is not sure that MySQL calls external_lock + before calling this function, the trx field in prebuilt can be + obsolete! */ + + switch (operation) { + case HA_EXTRA_FLUSH: + if (prebuilt->blob_heap) { + row_mysql_prebuilt_free_blob_heap(prebuilt); + } + break; + case HA_EXTRA_RESET_STATE: + reset_template(prebuilt); + break; + case HA_EXTRA_NO_KEYREAD: + prebuilt->read_just_key = 0; + break; + case HA_EXTRA_KEYREAD: + prebuilt->read_just_key = 1; + break; + case HA_EXTRA_KEYREAD_PRESERVE_FIELDS: + prebuilt->keep_other_fields_on_keyread = 1; + break; + + /* IMPORTANT: prebuilt->trx can be obsolete in + this method, because it is not sure that MySQL + calls external_lock before this method with the + parameters below. We must not invoke update_thd() + either, because the calling threads may change. + CAREFUL HERE, OR MEMORY CORRUPTION MAY OCCUR! */ + case HA_EXTRA_IGNORE_DUP_KEY: + thd_to_trx(ha_thd())->duplicates |= TRX_DUP_IGNORE; + break; + case HA_EXTRA_WRITE_CAN_REPLACE: + thd_to_trx(ha_thd())->duplicates |= TRX_DUP_REPLACE; + break; + case HA_EXTRA_WRITE_CANNOT_REPLACE: + thd_to_trx(ha_thd())->duplicates &= ~TRX_DUP_REPLACE; + break; + case HA_EXTRA_NO_IGNORE_DUP_KEY: + thd_to_trx(ha_thd())->duplicates &= + ~(TRX_DUP_IGNORE | TRX_DUP_REPLACE); + break; + default:/* Do nothing */ + ; + } + + return(0); +} + +UNIV_INTERN +int +ha_innobase::reset() +{ + if (prebuilt->blob_heap) { + row_mysql_prebuilt_free_blob_heap(prebuilt); + } + + reset_template(prebuilt); + + /* TODO: This should really be reset in reset_template() but for now + it's safer to do it explicitly here. */ + + /* This is a statement level counter. */ + prebuilt->autoinc_last_value = 0; + + return(0); +} + +/******************************************************************//** +MySQL calls this function at the start of each SQL statement inside LOCK +TABLES. Inside LOCK TABLES the ::external_lock method does not work to +mark SQL statement borders. Note also a special case: if a temporary table +is created inside LOCK TABLES, MySQL has not called external_lock() at all +on that table. +MySQL-5.0 also calls this before each statement in an execution of a stored +procedure. To make the execution more deterministic for binlogging, MySQL-5.0 +locks all tables involved in a stored procedure with full explicit table +locks (thd_in_lock_tables(thd) holds in store_lock()) before executing the +procedure. +@return 0 or error code */ +UNIV_INTERN +int +ha_innobase::start_stmt( +/*====================*/ + THD* thd, /*!< in: handle to the user thread */ + thr_lock_type lock_type) +{ + trx_t* trx; + + update_thd(thd); + + trx = prebuilt->trx; + + /* Here we release the search latch and the InnoDB thread FIFO ticket + if they were reserved. They should have been released already at the + end of the previous statement, but because inside LOCK TABLES the + lock count method does not work to mark the end of a SELECT statement, + that may not be the case. We MUST release the search latch before an + INSERT, for example. */ + + innobase_release_stat_resources(trx); + + /* Reset the AUTOINC statement level counter for multi-row INSERTs. */ + trx->n_autoinc_rows = 0; + + prebuilt->sql_stat_start = TRUE; + prebuilt->hint_need_to_fetch_extra_cols = 0; + reset_template(prebuilt); + + if (!prebuilt->mysql_has_locked) { + /* This handle is for a temporary table created inside + this same LOCK TABLES; since MySQL does NOT call external_lock + in this case, we must use x-row locks inside InnoDB to be + prepared for an update of a row */ + + prebuilt->select_lock_type = LOCK_X; + } else { + if (trx->isolation_level != TRX_ISO_SERIALIZABLE + && thd_sql_command(thd) == SQLCOM_SELECT + && lock_type == TL_READ) { + + /* For other than temporary tables, we obtain + no lock for consistent read (plain SELECT). */ + + prebuilt->select_lock_type = LOCK_NONE; + } else { + /* Not a consistent read: restore the + select_lock_type value. The value of + stored_select_lock_type was decided in: + 1) ::store_lock(), + 2) ::external_lock(), + 3) ::init_table_handle_for_HANDLER(), and + 4) ::transactional_table_lock(). */ + + prebuilt->select_lock_type = + prebuilt->stored_select_lock_type; + } + } + + trx->detailed_error[0] = '\0'; + + /* Set the MySQL flag to mark that there is an active transaction */ + if (trx->active_trans == 0) { + + innobase_register_trx_and_stmt(ht, thd); + trx->active_trans = 1; + } else { + innobase_register_stmt(ht, thd); + } + + return(0); +} + +/******************************************************************//** +Maps a MySQL trx isolation level code to the InnoDB isolation level code +@return InnoDB isolation level */ +static inline +ulint +innobase_map_isolation_level( +/*=========================*/ + enum_tx_isolation iso) /*!< in: MySQL isolation level code */ +{ + switch(iso) { + case ISO_REPEATABLE_READ: return(TRX_ISO_REPEATABLE_READ); + case ISO_READ_COMMITTED: return(TRX_ISO_READ_COMMITTED); + case ISO_SERIALIZABLE: return(TRX_ISO_SERIALIZABLE); + case ISO_READ_UNCOMMITTED: return(TRX_ISO_READ_UNCOMMITTED); + default: ut_a(0); return(0); + } +} + +/******************************************************************//** +As MySQL will execute an external lock for every new table it uses when it +starts to process an SQL statement (an exception is when MySQL calls +start_stmt for the handle) we can use this function to store the pointer to +the THD in the handle. We will also use this function to communicate +to InnoDB that a new SQL statement has started and that we must store a +savepoint to our transaction handle, so that we are able to roll back +the SQL statement in case of an error. +@return 0 */ +UNIV_INTERN +int +ha_innobase::external_lock( +/*=======================*/ + THD* thd, /*!< in: handle to the user thread */ + int lock_type) /*!< in: lock type */ +{ + trx_t* trx; + + DBUG_ENTER("ha_innobase::external_lock"); + DBUG_PRINT("enter",("lock_type: %d", lock_type)); + + update_thd(thd); + + /* Statement based binlogging does not work in isolation level + READ UNCOMMITTED and READ COMMITTED since the necessary + locks cannot be taken. In this case, we print an + informative error message and return with an error. */ + if (lock_type == F_WRLCK) + { + ulong const binlog_format= thd_binlog_format(thd); + ulong const tx_isolation = thd_tx_isolation(ha_thd()); + if (tx_isolation <= ISO_READ_COMMITTED + && binlog_format == BINLOG_FORMAT_STMT +#if MYSQL_VERSION_ID > 50140 + && thd_binlog_filter_ok(thd) +#endif /* MYSQL_VERSION_ID > 50140 */ + ) + { + char buf[256]; + my_snprintf(buf, sizeof(buf), + "Transaction level '%s' in" + " InnoDB is not safe for binlog mode '%s'", + tx_isolation_names[tx_isolation], + binlog_format_names[binlog_format]); + my_error(ER_BINLOG_LOGGING_IMPOSSIBLE, MYF(0), buf); + DBUG_RETURN(HA_ERR_LOGGING_IMPOSSIBLE); + } + } + + + trx = prebuilt->trx; + + prebuilt->sql_stat_start = TRUE; + prebuilt->hint_need_to_fetch_extra_cols = 0; + + reset_template(prebuilt); + + if (lock_type == F_WRLCK) { + + /* If this is a SELECT, then it is in UPDATE TABLE ... + or SELECT ... FOR UPDATE */ + prebuilt->select_lock_type = LOCK_X; + prebuilt->stored_select_lock_type = LOCK_X; + } + + if (lock_type != F_UNLCK) { + /* MySQL is setting a new table lock */ + + trx->detailed_error[0] = '\0'; + + /* Set the MySQL flag to mark that there is an active + transaction */ + if (trx->active_trans == 0) { + + innobase_register_trx_and_stmt(ht, thd); + trx->active_trans = 1; + } else if (trx->n_mysql_tables_in_use == 0) { + innobase_register_stmt(ht, thd); + } + + if (trx->isolation_level == TRX_ISO_SERIALIZABLE + && prebuilt->select_lock_type == LOCK_NONE + && thd_test_options(thd, + OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + + /* To get serializable execution, we let InnoDB + conceptually add 'LOCK IN SHARE MODE' to all SELECTs + which otherwise would have been consistent reads. An + exception is consistent reads in the AUTOCOMMIT=1 mode: + we know that they are read-only transactions, and they + can be serialized also if performed as consistent + reads. */ + + prebuilt->select_lock_type = LOCK_S; + prebuilt->stored_select_lock_type = LOCK_S; + } + + /* Starting from 4.1.9, no InnoDB table lock is taken in LOCK + TABLES if AUTOCOMMIT=1. It does not make much sense to acquire + an InnoDB table lock if it is released immediately at the end + of LOCK TABLES, and InnoDB's table locks in that case cause + VERY easily deadlocks. + + We do not set InnoDB table locks if user has not explicitly + requested a table lock. Note that thd_in_lock_tables(thd) + can hold in some cases, e.g., at the start of a stored + procedure call (SQLCOM_CALL). */ + + if (prebuilt->select_lock_type != LOCK_NONE) { + + if (thd_sql_command(thd) == SQLCOM_LOCK_TABLES + && THDVAR(thd, table_locks) + && thd_test_options(thd, OPTION_NOT_AUTOCOMMIT) + && thd_in_lock_tables(thd)) { + + ulint error = row_lock_table_for_mysql( + prebuilt, NULL, 0); + + if (error != DB_SUCCESS) { + error = convert_error_code_to_mysql( + (int) error, 0, thd); + DBUG_RETURN((int) error); + } + } + + trx->mysql_n_tables_locked++; + } + + trx->n_mysql_tables_in_use++; + prebuilt->mysql_has_locked = TRUE; + + DBUG_RETURN(0); + } + + /* MySQL is releasing a table lock */ + + trx->n_mysql_tables_in_use--; + prebuilt->mysql_has_locked = FALSE; + + /* Release a possible FIFO ticket and search latch. Since we + may reserve the kernel mutex, we have to release the search + system latch first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + /* If the MySQL lock count drops to zero we know that the current SQL + statement has ended */ + + if (trx->n_mysql_tables_in_use == 0) { + + trx->mysql_n_tables_locked = 0; + prebuilt->used_in_HANDLER = FALSE; + + if (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + if (trx->active_trans != 0) { + innobase_commit(ht, thd, TRUE); + } + } else { + if (trx->isolation_level <= TRX_ISO_READ_COMMITTED + && trx->global_read_view) { + + /* At low transaction isolation levels we let + each consistent read set its own snapshot */ + + read_view_close_for_mysql(trx); + } + } + } + + DBUG_RETURN(0); +} + +/******************************************************************//** +With this function MySQL request a transactional lock to a table when +user issued query LOCK TABLES..WHERE ENGINE = InnoDB. +@return error code */ +UNIV_INTERN +int +ha_innobase::transactional_table_lock( +/*==================================*/ + THD* thd, /*!< in: handle to the user thread */ + int lock_type) /*!< in: lock type */ +{ + trx_t* trx; + + DBUG_ENTER("ha_innobase::transactional_table_lock"); + DBUG_PRINT("enter",("lock_type: %d", lock_type)); + + /* We do not know if MySQL can call this function before calling + external_lock(). To be safe, update the thd of the current table + handle. */ + + update_thd(thd); + + if (prebuilt->table->ibd_file_missing && !thd_tablespace_op(thd)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir?" + "InnoDB: See " REFMAN + "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + DBUG_RETURN(HA_ERR_CRASHED); + } + + trx = prebuilt->trx; + + prebuilt->sql_stat_start = TRUE; + prebuilt->hint_need_to_fetch_extra_cols = 0; + + reset_template(prebuilt); + + if (lock_type == F_WRLCK) { + prebuilt->select_lock_type = LOCK_X; + prebuilt->stored_select_lock_type = LOCK_X; + } else if (lock_type == F_RDLCK) { + prebuilt->select_lock_type = LOCK_S; + prebuilt->stored_select_lock_type = LOCK_S; + } else { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB error:\n" +"MySQL is trying to set transactional table lock with corrupted lock type\n" +"to table %s, lock type %d does not exist.\n", + prebuilt->table->name, lock_type); + DBUG_RETURN(HA_ERR_CRASHED); + } + + /* MySQL is setting a new transactional table lock */ + + /* Set the MySQL flag to mark that there is an active transaction */ + if (trx->active_trans == 0) { + + innobase_register_trx_and_stmt(ht, thd); + trx->active_trans = 1; + } + + if (THDVAR(thd, table_locks) && thd_in_lock_tables(thd)) { + ulint error = DB_SUCCESS; + + error = row_lock_table_for_mysql(prebuilt, NULL, 0); + + if (error != DB_SUCCESS) { + error = convert_error_code_to_mysql( + (int) error, prebuilt->table->flags, thd); + DBUG_RETURN((int) error); + } + + if (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { + + /* Store the current undo_no of the transaction + so that we know where to roll back if we have + to roll back the next SQL statement */ + + trx_mark_sql_stat_end(trx); + } + } + + DBUG_RETURN(0); +} + +/************************************************************************//** +Here we export InnoDB status variables to MySQL. */ +static +void +innodb_export_status(void) +/*======================*/ +{ + if (innodb_inited) { + srv_export_innodb_status(); + } +} + +/************************************************************************//** +Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB +Monitor to the client. */ +static +bool +innodb_show_status( +/*===============*/ + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the caller */ + stat_print_fn *stat_print) +{ + trx_t* trx; + static const char truncated_msg[] = "... truncated...\n"; + const long MAX_STATUS_SIZE = 64000; + ulint trx_list_start = ULINT_UNDEFINED; + ulint trx_list_end = ULINT_UNDEFINED; + + DBUG_ENTER("innodb_show_status"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + trx = check_trx_exists(thd); + + innobase_release_stat_resources(trx); + + /* We let the InnoDB Monitor to output at most MAX_STATUS_SIZE + bytes of text. */ + + long flen, usable_len; + char* str; + + mutex_enter(&srv_monitor_file_mutex); + rewind(srv_monitor_file); + srv_printf_innodb_monitor(srv_monitor_file, FALSE, + &trx_list_start, &trx_list_end); + flen = ftell(srv_monitor_file); + os_file_set_eof(srv_monitor_file); + + if (flen < 0) { + flen = 0; + } + + if (flen > MAX_STATUS_SIZE) { + usable_len = MAX_STATUS_SIZE; + } else { + usable_len = flen; + } + + /* allocate buffer for the string, and + read the contents of the temporary file */ + + if (!(str = (char*) my_malloc(usable_len + 1, MYF(0)))) { + mutex_exit(&srv_monitor_file_mutex); + DBUG_RETURN(TRUE); + } + + rewind(srv_monitor_file); + if (flen < MAX_STATUS_SIZE) { + /* Display the entire output. */ + flen = (long) fread(str, 1, flen, srv_monitor_file); + } else if (trx_list_end < (ulint) flen + && trx_list_start < trx_list_end + && trx_list_start + (flen - trx_list_end) + < MAX_STATUS_SIZE - sizeof truncated_msg - 1) { + /* Omit the beginning of the list of active transactions. */ + long len = (long) fread(str, 1, trx_list_start, srv_monitor_file); + memcpy(str + len, truncated_msg, sizeof truncated_msg - 1); + len += sizeof truncated_msg - 1; + usable_len = (MAX_STATUS_SIZE - 1) - len; + fseek(srv_monitor_file, flen - usable_len, SEEK_SET); + len += (long) fread(str + len, 1, usable_len, srv_monitor_file); + flen = len; + } else { + /* Omit the end of the output. */ + flen = (long) fread(str, 1, MAX_STATUS_SIZE - 1, srv_monitor_file); + } + + mutex_exit(&srv_monitor_file_mutex); + + bool result = FALSE; + + if (stat_print(thd, innobase_hton_name, (uint) strlen(innobase_hton_name), + STRING_WITH_LEN(""), str, flen)) { + result= TRUE; + } + my_free(str, MYF(0)); + + DBUG_RETURN(FALSE); +} + +/************************************************************************//** +Implements the SHOW MUTEX STATUS command. +@return TRUE on failure, FALSE on success. */ +static +bool +innodb_mutex_show_status( +/*=====================*/ + handlerton* hton, /*!< in: the innodb handlerton */ + THD* thd, /*!< in: the MySQL query thread of the + caller */ + stat_print_fn* stat_print) /*!< in: function for printing + statistics */ +{ + char buf1[IO_SIZE], buf2[IO_SIZE]; + mutex_t* mutex; + rw_lock_t* lock; + ulint block_mutex_oswait_count = 0; + ulint block_lock_oswait_count = 0; + mutex_t* block_mutex = NULL; + rw_lock_t* block_lock = NULL; +#ifdef UNIV_DEBUG + ulint rw_lock_count= 0; + ulint rw_lock_count_spin_loop= 0; + ulint rw_lock_count_spin_rounds= 0; + ulint rw_lock_count_os_wait= 0; + ulint rw_lock_count_os_yield= 0; + ulonglong rw_lock_wait_time= 0; +#endif /* UNIV_DEBUG */ + uint hton_name_len= (uint) strlen(innobase_hton_name), buf1len, buf2len; + DBUG_ENTER("innodb_mutex_show_status"); + DBUG_ASSERT(hton == innodb_hton_ptr); + + mutex_enter(&mutex_list_mutex); + + for (mutex = UT_LIST_GET_FIRST(mutex_list); mutex != NULL; + mutex = UT_LIST_GET_NEXT(list, mutex)) { + if (mutex->count_os_wait == 0) { + continue; + } + + if (buf_pool_is_block_mutex(mutex)) { + block_mutex = mutex; + block_mutex_oswait_count += mutex->count_os_wait; + continue; + } +#ifdef UNIV_DEBUG + if (mutex->mutex_type != 1) { + if (mutex->count_using > 0) { + buf1len= my_snprintf(buf1, sizeof(buf1), + "%s:%s", + mutex->cmutex_name, mutex->cfile_name); + buf2len= my_snprintf(buf2, sizeof(buf2), + "count=%lu, spin_waits=%lu," + " spin_rounds=%lu, " + "os_waits=%lu, os_yields=%lu," + " os_wait_times=%lu", + mutex->count_using, + mutex->count_spin_loop, + mutex->count_spin_rounds, + mutex->count_os_wait, + mutex->count_os_yield, + (ulong) (mutex->lspent_time/1000)); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&mutex_list_mutex); + DBUG_RETURN(1); + } + } + } else { + rw_lock_count += mutex->count_using; + rw_lock_count_spin_loop += mutex->count_spin_loop; + rw_lock_count_spin_rounds += mutex->count_spin_rounds; + rw_lock_count_os_wait += mutex->count_os_wait; + rw_lock_count_os_yield += mutex->count_os_yield; + rw_lock_wait_time += mutex->lspent_time; + } +#else /* UNIV_DEBUG */ + buf1len= (uint) my_snprintf(buf1, sizeof(buf1), "%s:%lu", + mutex->cfile_name, (ulong) mutex->cline); + buf2len= (uint) my_snprintf(buf2, sizeof(buf2), "os_waits=%lu", + (ulong) mutex->count_os_wait); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&mutex_list_mutex); + DBUG_RETURN(1); + } +#endif /* UNIV_DEBUG */ + } + + if (block_mutex) { + buf1len = (uint) my_snprintf(buf1, sizeof buf1, + "combined %s:%lu", + block_mutex->cfile_name, + (ulong) block_mutex->cline); + buf2len = (uint) my_snprintf(buf2, sizeof buf2, + "os_waits=%lu", + (ulong) block_mutex_oswait_count); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&mutex_list_mutex); + DBUG_RETURN(1); + } + } + + mutex_exit(&mutex_list_mutex); + + mutex_enter(&rw_lock_list_mutex); + + for (lock = UT_LIST_GET_FIRST(rw_lock_list); lock != NULL; + lock = UT_LIST_GET_NEXT(list, lock)) { + if (lock->count_os_wait) { + continue; + } + + if (buf_pool_is_block_lock(lock)) { + block_lock = lock; + block_lock_oswait_count += lock->count_os_wait; + continue; + } + + buf1len = my_snprintf(buf1, sizeof buf1, "%s:%lu", + lock->cfile_name, (ulong) lock->cline); + buf2len = my_snprintf(buf2, sizeof buf2, "os_waits=%lu", + (ulong) lock->count_os_wait); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&rw_lock_list_mutex); + DBUG_RETURN(1); + } + } + + if (block_lock) { + buf1len = (uint) my_snprintf(buf1, sizeof buf1, + "combined %s:%lu", + block_lock->cfile_name, + (ulong) block_lock->cline); + buf2len = (uint) my_snprintf(buf2, sizeof buf2, + "os_waits=%lu", + (ulong) block_lock_oswait_count); + + if (stat_print(thd, innobase_hton_name, + hton_name_len, buf1, buf1len, + buf2, buf2len)) { + mutex_exit(&rw_lock_list_mutex); + DBUG_RETURN(1); + } + } + + mutex_exit(&rw_lock_list_mutex); + +#ifdef UNIV_DEBUG + buf2len = my_snprintf(buf2, sizeof buf2, + "count=%lu, spin_waits=%lu, spin_rounds=%lu, " + "os_waits=%lu, os_yields=%lu, os_wait_times=%lu", + (ulong) rw_lock_count, + (ulong) rw_lock_count_spin_loop, + (ulong) rw_lock_count_spin_rounds, + (ulong) rw_lock_count_os_wait, + (ulong) rw_lock_count_os_yield, + (ulong) (rw_lock_wait_time / 1000)); + + if (stat_print(thd, innobase_hton_name, hton_name_len, + STRING_WITH_LEN("rw_lock_mutexes"), buf2, buf2len)) { + DBUG_RETURN(1); + } +#endif /* UNIV_DEBUG */ + + DBUG_RETURN(FALSE); +} + +static +bool innobase_show_status(handlerton *hton, THD* thd, + stat_print_fn* stat_print, + enum ha_stat_type stat_type) +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + + switch (stat_type) { + case HA_ENGINE_STATUS: + return innodb_show_status(hton, thd, stat_print); + case HA_ENGINE_MUTEX: + return innodb_mutex_show_status(hton, thd, stat_print); + default: + return(FALSE); + } +} + +/************************************************************************//** + Handling the shared INNOBASE_SHARE structure that is needed to provide table + locking. +****************************************************************************/ + +static INNOBASE_SHARE* get_share(const char* table_name) +{ + INNOBASE_SHARE *share; + pthread_mutex_lock(&innobase_share_mutex); + + ulint fold = ut_fold_string(table_name); + + HASH_SEARCH(table_name_hash, innobase_open_tables, fold, + INNOBASE_SHARE*, share, + ut_ad(share->use_count > 0), + !strcmp(share->table_name, table_name)); + + if (!share) { + + uint length = (uint) strlen(table_name); + + /* TODO: invoke HASH_MIGRATE if innobase_open_tables + grows too big */ + + share = (INNOBASE_SHARE *) my_malloc(sizeof(*share)+length+1, + MYF(MY_FAE | MY_ZEROFILL)); + + share->table_name = (char*) memcpy(share + 1, + table_name, length + 1); + + HASH_INSERT(INNOBASE_SHARE, table_name_hash, + innobase_open_tables, fold, share); + + thr_lock_init(&share->lock); + + /* Index translation table initialization */ + share->idx_trans_tbl.index_mapping = NULL; + share->idx_trans_tbl.index_count = 0; + share->idx_trans_tbl.array_size = 0; + } + + share->use_count++; + pthread_mutex_unlock(&innobase_share_mutex); + + return(share); +} + +static void free_share(INNOBASE_SHARE* share) +{ + pthread_mutex_lock(&innobase_share_mutex); + +#ifdef UNIV_DEBUG + INNOBASE_SHARE* share2; + ulint fold = ut_fold_string(share->table_name); + + HASH_SEARCH(table_name_hash, innobase_open_tables, fold, + INNOBASE_SHARE*, share2, + ut_ad(share->use_count > 0), + !strcmp(share->table_name, share2->table_name)); + + ut_a(share2 == share); +#endif /* UNIV_DEBUG */ + + if (!--share->use_count) { + ulint fold = ut_fold_string(share->table_name); + + HASH_DELETE(INNOBASE_SHARE, table_name_hash, + innobase_open_tables, fold, share); + thr_lock_delete(&share->lock); + + /* Free any memory from index translation table */ + my_free(share->idx_trans_tbl.index_mapping, + MYF(MY_ALLOW_ZERO_PTR)); + + my_free(share, MYF(0)); + + /* TODO: invoke HASH_MIGRATE if innobase_open_tables + shrinks too much */ + } + + pthread_mutex_unlock(&innobase_share_mutex); +} + +/*****************************************************************//** +Converts a MySQL table lock stored in the 'lock' field of the handle to +a proper type before storing pointer to the lock into an array of pointers. +MySQL also calls this if it wants to reset some table locks to a not-locked +state during the processing of an SQL query. An example is that during a +SELECT the read lock is released early on the 'const' tables where we only +fetch one row. MySQL does not call this when it releases all locks at the +end of an SQL statement. +@return pointer to the next element in the 'to' array */ +UNIV_INTERN +THR_LOCK_DATA** +ha_innobase::store_lock( +/*====================*/ + THD* thd, /*!< in: user thread handle */ + THR_LOCK_DATA** to, /*!< in: pointer to an array + of pointers to lock structs; + pointer to the 'lock' field + of current handle is stored + next to this array */ + enum thr_lock_type lock_type) /*!< in: lock type to store in + 'lock'; this may also be + TL_IGNORE */ +{ + trx_t* trx; + + /* Note that trx in this function is NOT necessarily prebuilt->trx + because we call update_thd() later, in ::external_lock()! Failure to + understand this caused a serious memory corruption bug in 5.1.11. */ + + trx = check_trx_exists(thd); + + /* NOTE: MySQL can call this function with lock 'type' TL_IGNORE! + Be careful to ignore TL_IGNORE if we are going to do something with + only 'real' locks! */ + + /* If no MySQL table is in use, we need to set the isolation level + of the transaction. */ + + if (lock_type != TL_IGNORE + && trx->n_mysql_tables_in_use == 0) { + trx->isolation_level = innobase_map_isolation_level( + (enum_tx_isolation) thd_tx_isolation(thd)); + + if (trx->isolation_level <= TRX_ISO_READ_COMMITTED + && trx->global_read_view) { + + /* At low transaction isolation levels we let + each consistent read set its own snapshot */ + + read_view_close_for_mysql(trx); + } + } + + DBUG_ASSERT(EQ_CURRENT_THD(thd)); + const bool in_lock_tables = thd_in_lock_tables(thd); + const uint sql_command = thd_sql_command(thd); + + if (sql_command == SQLCOM_DROP_TABLE) { + + /* MySQL calls this function in DROP TABLE though this table + handle may belong to another thd that is running a query. Let + us in that case skip any changes to the prebuilt struct. */ + + } else if ((lock_type == TL_READ && in_lock_tables) + || (lock_type == TL_READ_HIGH_PRIORITY && in_lock_tables) + || lock_type == TL_READ_WITH_SHARED_LOCKS + || lock_type == TL_READ_NO_INSERT + || (lock_type != TL_IGNORE + && sql_command != SQLCOM_SELECT)) { + + /* The OR cases above are in this order: + 1) MySQL is doing LOCK TABLES ... READ LOCAL, or we + are processing a stored procedure or function, or + 2) (we do not know when TL_READ_HIGH_PRIORITY is used), or + 3) this is a SELECT ... IN SHARE MODE, or + 4) we are doing a complex SQL statement like + INSERT INTO ... SELECT ... and the logical logging (MySQL + binlog) requires the use of a locking read, or + MySQL is doing LOCK TABLES ... READ. + 5) we let InnoDB do locking reads for all SQL statements that + are not simple SELECTs; note that select_lock_type in this + case may get strengthened in ::external_lock() to LOCK_X. + Note that we MUST use a locking read in all data modifying + SQL statements, because otherwise the execution would not be + serializable, and also the results from the update could be + unexpected if an obsolete consistent read view would be + used. */ + + ulint isolation_level; + + isolation_level = trx->isolation_level; + + if ((srv_locks_unsafe_for_binlog + || isolation_level == TRX_ISO_READ_COMMITTED) + && isolation_level != TRX_ISO_SERIALIZABLE + && (lock_type == TL_READ || lock_type == TL_READ_NO_INSERT) + && (sql_command == SQLCOM_INSERT_SELECT + || sql_command == SQLCOM_REPLACE_SELECT + || sql_command == SQLCOM_UPDATE + || sql_command == SQLCOM_CREATE_TABLE)) { + + /* If we either have innobase_locks_unsafe_for_binlog + option set or this session is using READ COMMITTED + isolation level and isolation level of the transaction + is not set to serializable and MySQL is doing + INSERT INTO...SELECT or REPLACE INTO...SELECT + or UPDATE ... = (SELECT ...) or CREATE ... + SELECT... without FOR UPDATE or IN SHARE + MODE in select, then we use consistent read + for select. */ + + prebuilt->select_lock_type = LOCK_NONE; + prebuilt->stored_select_lock_type = LOCK_NONE; + } else if (sql_command == SQLCOM_CHECKSUM) { + /* Use consistent read for checksum table */ + + prebuilt->select_lock_type = LOCK_NONE; + prebuilt->stored_select_lock_type = LOCK_NONE; + } else { + prebuilt->select_lock_type = LOCK_S; + prebuilt->stored_select_lock_type = LOCK_S; + } + + } else if (lock_type != TL_IGNORE) { + + /* We set possible LOCK_X value in external_lock, not yet + here even if this would be SELECT ... FOR UPDATE */ + + prebuilt->select_lock_type = LOCK_NONE; + prebuilt->stored_select_lock_type = LOCK_NONE; + } + + if (lock_type != TL_IGNORE && lock.type == TL_UNLOCK) { + + /* Starting from 5.0.7, we weaken also the table locks + set at the start of a MySQL stored procedure call, just like + we weaken the locks set at the start of an SQL statement. + MySQL does set in_lock_tables TRUE there, but in reality + we do not need table locks to make the execution of a + single transaction stored procedure call deterministic + (if it does not use a consistent read). */ + + if (lock_type == TL_READ + && sql_command == SQLCOM_LOCK_TABLES) { + /* We come here if MySQL is processing LOCK TABLES + ... READ LOCAL. MyISAM under that table lock type + reads the table as it was at the time the lock was + granted (new inserts are allowed, but not seen by the + reader). To get a similar effect on an InnoDB table, + we must use LOCK TABLES ... READ. We convert the lock + type here, so that for InnoDB, READ LOCAL is + equivalent to READ. This will change the InnoDB + behavior in mysqldump, so that dumps of InnoDB tables + are consistent with dumps of MyISAM tables. */ + + lock_type = TL_READ_NO_INSERT; + } + + /* If we are not doing a LOCK TABLE, DISCARD/IMPORT + TABLESPACE or TRUNCATE TABLE then allow multiple + writers. Note that ALTER TABLE uses a TL_WRITE_ALLOW_READ + < TL_WRITE_CONCURRENT_INSERT. + + We especially allow multiple writers if MySQL is at the + start of a stored procedure call (SQLCOM_CALL) or a + stored function call (MySQL does have in_lock_tables + TRUE there). */ + + if ((lock_type >= TL_WRITE_CONCURRENT_INSERT + && lock_type <= TL_WRITE) + && !(in_lock_tables + && sql_command == SQLCOM_LOCK_TABLES) + && !thd_tablespace_op(thd) + && sql_command != SQLCOM_TRUNCATE + && sql_command != SQLCOM_OPTIMIZE + && sql_command != SQLCOM_CREATE_TABLE) { + + lock_type = TL_WRITE_ALLOW_WRITE; + } + + /* In queries of type INSERT INTO t1 SELECT ... FROM t2 ... + MySQL would use the lock TL_READ_NO_INSERT on t2, and that + would conflict with TL_WRITE_ALLOW_WRITE, blocking all inserts + to t2. Convert the lock to a normal read lock to allow + concurrent inserts to t2. + + We especially allow concurrent inserts if MySQL is at the + start of a stored procedure call (SQLCOM_CALL) + (MySQL does have thd_in_lock_tables() TRUE there). */ + + if (lock_type == TL_READ_NO_INSERT + && sql_command != SQLCOM_LOCK_TABLES) { + + lock_type = TL_READ; + } + + lock.type = lock_type; + } + + *to++= &lock; + + return(to); +} + +/*********************************************************************//** +Read the next autoinc value. Acquire the relevant locks before reading +the AUTOINC value. If SUCCESS then the table AUTOINC mutex will be locked +on return and all relevant locks acquired. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +ha_innobase::innobase_get_autoinc( +/*==============================*/ + ulonglong* value) /*!< out: autoinc value */ +{ + *value = 0; + + prebuilt->autoinc_error = innobase_lock_autoinc(); + + if (prebuilt->autoinc_error == DB_SUCCESS) { + + /* Determine the first value of the interval */ + *value = dict_table_autoinc_read(prebuilt->table); + + /* It should have been initialized during open. */ + if (*value == 0) { + prebuilt->autoinc_error = DB_UNSUPPORTED; + dict_table_autoinc_unlock(prebuilt->table); + } + } + + return(prebuilt->autoinc_error); +} + +/*******************************************************************//** +This function reads the global auto-inc counter. It doesn't use the +AUTOINC lock even if the lock mode is set to TRADITIONAL. +@return the autoinc value */ +UNIV_INTERN +ulonglong +ha_innobase::innobase_peek_autoinc(void) +/*====================================*/ +{ + ulonglong auto_inc; + dict_table_t* innodb_table; + + ut_a(prebuilt != NULL); + ut_a(prebuilt->table != NULL); + + innodb_table = prebuilt->table; + + dict_table_autoinc_lock(innodb_table); + + auto_inc = dict_table_autoinc_read(innodb_table); + + ut_a(auto_inc > 0); + + dict_table_autoinc_unlock(innodb_table); + + return(auto_inc); +} + +/*********************************************************************//** +This function initializes the auto-inc counter if it has not been +initialized yet. This function does not change the value of the auto-inc +counter if it already has been initialized. Returns the value of the +auto-inc counter in *first_value, and ULONGLONG_MAX in *nb_reserved_values (as +we have a table-level lock). offset, increment, nb_desired_values are ignored. +*first_value is set to -1 if error (deadlock or lock wait timeout) */ +UNIV_INTERN +void +ha_innobase::get_auto_increment( +/*============================*/ + ulonglong offset, /*!< in: table autoinc offset */ + ulonglong increment, /*!< in: table autoinc increment */ + ulonglong nb_desired_values, /*!< in: number of values reqd */ + ulonglong *first_value, /*!< out: the autoinc value */ + ulonglong *nb_reserved_values) /*!< out: count of reserved values */ +{ + trx_t* trx; + ulint error; + ulonglong autoinc = 0; + + /* Prepare prebuilt->trx in the table handle */ + update_thd(ha_thd()); + + error = innobase_get_autoinc(&autoinc); + + if (error != DB_SUCCESS) { + *first_value = (~(ulonglong) 0); + return; + } + + /* This is a hack, since nb_desired_values seems to be accurate only + for the first call to get_auto_increment() for multi-row INSERT and + meaningless for other statements e.g, LOAD etc. Subsequent calls to + this method for the same statement results in different values which + don't make sense. Therefore we store the value the first time we are + called and count down from that as rows are written (see write_row()). + */ + + trx = prebuilt->trx; + + /* Note: We can't rely on *first_value since some MySQL engines, + in particular the partition engine, don't initialize it to 0 when + invoking this method. So we are not sure if it's guaranteed to + be 0 or not. */ + + /* We need the upper limit of the col type to check for + whether we update the table autoinc counter or not. */ + ulonglong col_max_value = innobase_get_int_col_max_value( + table->next_number_field); + + /* Called for the first time ? */ + if (trx->n_autoinc_rows == 0) { + + trx->n_autoinc_rows = (ulint) nb_desired_values; + + /* It's possible for nb_desired_values to be 0: + e.g., INSERT INTO T1(C) SELECT C FROM T2; */ + if (nb_desired_values == 0) { + + trx->n_autoinc_rows = 1; + } + + set_if_bigger(*first_value, autoinc); + /* Not in the middle of a mult-row INSERT. */ + } else if (prebuilt->autoinc_last_value == 0) { + set_if_bigger(*first_value, autoinc); + /* Check for -ve values. */ + } else if (*first_value > col_max_value && trx->n_autoinc_rows > 0) { + /* Set to next logical value. */ + ut_a(autoinc > trx->n_autoinc_rows); + *first_value = (autoinc - trx->n_autoinc_rows) - 1; + } + + *nb_reserved_values = trx->n_autoinc_rows; + + /* With old style AUTOINC locking we only update the table's + AUTOINC counter after attempting to insert the row. */ + if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { + ulonglong need; + ulonglong current; + ulonglong next_value; + + current = *first_value > col_max_value ? autoinc : *first_value; + need = *nb_reserved_values * increment; + + /* Compute the last value in the interval */ + next_value = innobase_next_autoinc( + current, need, offset, col_max_value); + + prebuilt->autoinc_last_value = next_value; + + if (prebuilt->autoinc_last_value < *first_value) { + *first_value = (~(ulonglong) 0); + } else { + /* Update the table autoinc variable */ + dict_table_autoinc_update_if_greater( + prebuilt->table, prebuilt->autoinc_last_value); + } + } else { + /* This will force write_row() into attempting an update + of the table's AUTOINC counter. */ + prebuilt->autoinc_last_value = 0; + } + + /* The increment to be used to increase the AUTOINC value, we use + this in write_row() and update_row() to increase the autoinc counter + for columns that are filled by the user. We need the offset and + the increment. */ + prebuilt->autoinc_offset = offset; + prebuilt->autoinc_increment = increment; + + dict_table_autoinc_unlock(prebuilt->table); +} + +/*******************************************************************//** +Reset the auto-increment counter to the given value, i.e. the next row +inserted will get the given value. This is called e.g. after TRUNCATE +is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is +returned by storage engines that don't support this operation. +@return 0 or error code */ +UNIV_INTERN +int +ha_innobase::reset_auto_increment( +/*==============================*/ + ulonglong value) /*!< in: new value for table autoinc */ +{ + DBUG_ENTER("ha_innobase::reset_auto_increment"); + + int error; + + update_thd(ha_thd()); + + error = row_lock_table_autoinc_for_mysql(prebuilt); + + if (error != DB_SUCCESS) { + error = convert_error_code_to_mysql(error, + prebuilt->table->flags, + user_thd); + + DBUG_RETURN(error); + } + + /* The next value can never be 0. */ + if (value == 0) { + value = 1; + } + + innobase_reset_autoinc(value); + + DBUG_RETURN(0); +} + +/* See comment in handler.cc */ +UNIV_INTERN +bool +ha_innobase::get_error_message(int error, String *buf) +{ + trx_t* trx = check_trx_exists(ha_thd()); + + buf->copy(trx->detailed_error, (uint) strlen(trx->detailed_error), + system_charset_info); + + return(FALSE); +} + +/*******************************************************************//** +Compares two 'refs'. A 'ref' is the (internal) primary key value of the row. +If there is no explicitly declared non-null unique key or a primary key, then +InnoDB internally uses the row id as the primary key. +@return < 0 if ref1 < ref2, 0 if equal, else > 0 */ +UNIV_INTERN +int +ha_innobase::cmp_ref( +/*=================*/ + const uchar* ref1, /*!< in: an (internal) primary key value in the + MySQL key value format */ + const uchar* ref2) /*!< in: an (internal) primary key value in the + MySQL key value format */ +{ + enum_field_types mysql_type; + Field* field; + KEY_PART_INFO* key_part; + KEY_PART_INFO* key_part_end; + uint len1; + uint len2; + int result; + + if (prebuilt->clust_index_was_generated) { + /* The 'ref' is an InnoDB row id */ + + return(memcmp(ref1, ref2, DATA_ROW_ID_LEN)); + } + + /* Do a type-aware comparison of primary key fields. PK fields + are always NOT NULL, so no checks for NULL are performed. */ + + key_part = table->key_info[table->s->primary_key].key_part; + + key_part_end = key_part + + table->key_info[table->s->primary_key].key_parts; + + for (; key_part != key_part_end; ++key_part) { + field = key_part->field; + mysql_type = field->type(); + + if (mysql_type == MYSQL_TYPE_TINY_BLOB + || mysql_type == MYSQL_TYPE_MEDIUM_BLOB + || mysql_type == MYSQL_TYPE_BLOB + || mysql_type == MYSQL_TYPE_LONG_BLOB) { + + /* In the MySQL key value format, a column prefix of + a BLOB is preceded by a 2-byte length field */ + + len1 = innobase_read_from_2_little_endian(ref1); + len2 = innobase_read_from_2_little_endian(ref2); + + ref1 += 2; + ref2 += 2; + result = ((Field_blob*)field)->cmp( ref1, len1, + ref2, len2); + } else { + result = field->key_cmp(ref1, ref2); + } + + if (result) { + + return(result); + } + + ref1 += key_part->store_length; + ref2 += key_part->store_length; + } + + return(0); +} + +/*******************************************************************//** +Ask InnoDB if a query to a table can be cached. +@return TRUE if query caching of the table is permitted */ +UNIV_INTERN +my_bool +ha_innobase::register_query_cache_table( +/*====================================*/ + THD* thd, /*!< in: user thread handle */ + char* table_key, /*!< in: concatenation of database name, + the null character NUL, + and the table name */ + uint key_length, /*!< in: length of the full name, i.e. + len(dbname) + len(tablename) + 1 */ + qc_engine_callback* + call_back, /*!< out: pointer to function for + checking if query caching + is permitted */ + ulonglong *engine_data) /*!< in/out: data to call_back */ +{ + *call_back = innobase_query_caching_of_table_permitted; + *engine_data = 0; + return(innobase_query_caching_of_table_permitted(thd, table_key, + key_length, + engine_data)); +} + +UNIV_INTERN +char* +ha_innobase::get_mysql_bin_log_name() +{ + return(trx_sys_mysql_bin_log_name); +} + +UNIV_INTERN +ulonglong +ha_innobase::get_mysql_bin_log_pos() +{ + /* trx... is ib_int64_t, which is a typedef for a 64-bit integer + (__int64 or longlong) so it's ok to cast it to ulonglong. */ + + return(trx_sys_mysql_bin_log_pos); +} + +/******************************************************************//** +This function is used to find the storage length in bytes of the first n +characters for prefix indexes using a multibyte character set. The function +finds charset information and returns length of prefix_len characters in the +index field in bytes. +@return number of bytes occupied by the first n characters */ +extern "C" UNIV_INTERN +ulint +innobase_get_at_most_n_mbchars( +/*===========================*/ + ulint charset_id, /*!< in: character set id */ + ulint prefix_len, /*!< in: prefix length in bytes of the index + (this has to be divided by mbmaxlen to get the + number of CHARACTERS n in the prefix) */ + ulint data_len, /*!< in: length of the string in bytes */ + const char* str) /*!< in: character string */ +{ + ulint char_length; /*!< character length in bytes */ + ulint n_chars; /*!< number of characters in prefix */ + CHARSET_INFO* charset; /*!< charset used in the field */ + + charset = get_charset((uint) charset_id, MYF(MY_WME)); + + ut_ad(charset); + ut_ad(charset->mbmaxlen); + + /* Calculate how many characters at most the prefix index contains */ + + n_chars = prefix_len / charset->mbmaxlen; + + /* If the charset is multi-byte, then we must find the length of the + first at most n chars in the string. If the string contains less + characters than n, then we return the length to the end of the last + character. */ + + if (charset->mbmaxlen > 1) { + /* my_charpos() returns the byte length of the first n_chars + characters, or a value bigger than the length of str, if + there were not enough full characters in str. + + Why does the code below work: + Suppose that we are looking for n UTF-8 characters. + + 1) If the string is long enough, then the prefix contains at + least n complete UTF-8 characters + maybe some extra + characters + an incomplete UTF-8 character. No problem in + this case. The function returns the pointer to the + end of the nth character. + + 2) If the string is not long enough, then the string contains + the complete value of a column, that is, only complete UTF-8 + characters, and we can store in the column prefix index the + whole string. */ + + char_length = my_charpos(charset, str, + str + data_len, (int) n_chars); + if (char_length > data_len) { + char_length = data_len; + } + } else { + if (data_len < prefix_len) { + char_length = data_len; + } else { + char_length = prefix_len; + } + } + + return(char_length); +} + +/*******************************************************************//** +This function is used to prepare an X/Open XA distributed transaction. +@return 0 or error number */ +static +int +innobase_xa_prepare( +/*================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + THD* thd, /*!< in: handle to the MySQL thread of + the user whose XA transaction should + be prepared */ + bool all) /*!< in: TRUE - commit transaction + FALSE - the current SQL statement + ended */ +{ + int error = 0; + trx_t* trx = check_trx_exists(thd); + + DBUG_ASSERT(hton == innodb_hton_ptr); + + /* we use support_xa value as it was seen at transaction start + time, not the current session variable value. Any possible changes + to the session variable take effect only in the next transaction */ + if (!trx->support_xa) { + + return(0); + } + + thd_get_xid(thd, (MYSQL_XID*) &trx->xid); + + /* Release a possible FIFO ticket and search latch. Since we will + reserve the kernel mutex, we have to release the search system latch + first to obey the latching order. */ + + innobase_release_stat_resources(trx); + + if (trx->active_trans == 0 && trx->conc_state != TRX_NOT_STARTED) { + + sql_print_error("trx->active_trans == 0, but trx->conc_state != " + "TRX_NOT_STARTED"); + } + + if (all + || (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) { + + /* We were instructed to prepare the whole transaction, or + this is an SQL statement end and autocommit is on */ + + ut_ad(trx->active_trans); + + error = (int) trx_prepare_for_mysql(trx); + } else { + /* We just mark the SQL statement ended and do not do a + transaction prepare */ + + /* If we had reserved the auto-inc lock for some + table in this SQL statement we release it now */ + + row_unlock_table_autoinc_for_mysql(trx); + + /* Store the current undo_no of the transaction so that we + know where to roll back if we have to roll back the next + SQL statement */ + + trx_mark_sql_stat_end(trx); + } + + /* Tell the InnoDB server that there might be work for utility + threads: */ + + srv_active_wake_master_thread(); + + if (thd_sql_command(thd) != SQLCOM_XA_PREPARE && + (all || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) + { + + /* For ibbackup to work the order of transactions in binlog + and InnoDB must be the same. Consider the situation + + thread1> prepare; write to binlog; ... + + thread2> prepare; write to binlog; commit + thread1> ... commit + + To ensure this will not happen we're taking the mutex on + prepare, and releasing it on commit. + + Note: only do it for normal commits, done via ha_commit_trans. + If 2pc protocol is executed by external transaction + coordinator, it will be just a regular MySQL client + executing XA PREPARE and XA COMMIT commands. + In this case we cannot know how many minutes or hours + will be between XA PREPARE and XA COMMIT, and we don't want + to block for undefined period of time. */ + pthread_mutex_lock(&prepare_commit_mutex); + trx->active_trans = 2; + } + + return(error); +} + +/*******************************************************************//** +This function is used to recover X/Open XA distributed transactions. +@return number of prepared transactions stored in xid_list */ +static +int +innobase_xa_recover( +/*================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid_list,/*!< in/out: prepared transactions */ + uint len) /*!< in: number of slots in xid_list */ +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + + if (len == 0 || xid_list == NULL) { + + return(0); + } + + return(trx_recover_for_mysql(xid_list, len)); +} + +/*******************************************************************//** +This function is used to commit one X/Open XA distributed transaction +which is in the prepared state +@return 0 or error number */ +static +int +innobase_commit_by_xid( +/*===================*/ + handlerton *hton, + XID* xid) /*!< in: X/Open XA transaction identification */ +{ + trx_t* trx; + + DBUG_ASSERT(hton == innodb_hton_ptr); + + trx = trx_get_trx_by_xid(xid); + + if (trx) { + innobase_commit_low(trx); + + return(XA_OK); + } else { + return(XAER_NOTA); + } +} + +/*******************************************************************//** +This function is used to rollback one X/Open XA distributed transaction +which is in the prepared state +@return 0 or error number */ +static +int +innobase_rollback_by_xid( +/*=====================*/ + handlerton* hton, /*!< in: InnoDB handlerton */ + XID* xid) /*!< in: X/Open XA transaction + identification */ +{ + trx_t* trx; + + DBUG_ASSERT(hton == innodb_hton_ptr); + + trx = trx_get_trx_by_xid(xid); + + if (trx) { + return(innobase_rollback_trx(trx)); + } else { + return(XAER_NOTA); + } +} + +/*******************************************************************//** +Create a consistent view for a cursor based on current transaction +which is created if the corresponding MySQL thread still lacks one. +This consistent view is then used inside of MySQL when accessing records +using a cursor. +@return pointer to cursor view or NULL */ +static +void* +innobase_create_cursor_view( +/*========================*/ + handlerton *hton, /*!< in: innobase hton */ + THD* thd) /*!< in: user thread handle */ +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + + return(read_cursor_view_create_for_mysql(check_trx_exists(thd))); +} + +/*******************************************************************//** +Close the given consistent cursor view of a transaction and restore +global read view to a transaction read view. Transaction is created if the +corresponding MySQL thread still lacks one. */ +static +void +innobase_close_cursor_view( +/*=======================*/ + handlerton *hton, + THD* thd, /*!< in: user thread handle */ + void* curview)/*!< in: Consistent read view to be closed */ +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + + read_cursor_view_close_for_mysql(check_trx_exists(thd), + (cursor_view_t*) curview); +} + +/*******************************************************************//** +Set the given consistent cursor view to a transaction which is created +if the corresponding MySQL thread still lacks one. If the given +consistent cursor view is NULL global read view of a transaction is +restored to a transaction read view. */ +static +void +innobase_set_cursor_view( +/*=====================*/ + handlerton *hton, + THD* thd, /*!< in: user thread handle */ + void* curview)/*!< in: Consistent cursor view to be set */ +{ + DBUG_ASSERT(hton == innodb_hton_ptr); + + read_cursor_set_for_mysql(check_trx_exists(thd), + (cursor_view_t*) curview); +} + +/*******************************************************************//** +If col_name is not NULL, check whether the named column is being +renamed in the table. If col_name is not provided, check +whether any one of columns in the table is being renamed. +@return true if the column is being renamed */ +static +bool +check_column_being_renamed( +/*=======================*/ + const TABLE* table, /*!< in: MySQL table */ + const char* col_name) /*!< in: name of the column */ +{ + uint k; + Field* field; + + for (k = 0; k < table->s->fields; k++) { + field = table->field[k]; + + if (field->flags & FIELD_IS_RENAMED) { + + /* If col_name is not provided, return + if the field is marked as being renamed. */ + if (!col_name) { + return(true); + } + + /* If col_name is provided, return only + if names match */ + if (innobase_strcasecmp(field->field_name, + col_name) == 0) { + return(true); + } + } + } + + return(false); +} + +/*******************************************************************//** +Check whether any of the given columns is being renamed in the table. +@return true if any of col_names is being renamed in table */ +static +bool +column_is_being_renamed( +/*====================*/ + TABLE* table, /*!< in: MySQL table */ + uint n_cols, /*!< in: number of columns */ + const char** col_names) /*!< in: names of the columns */ +{ + uint j; + + for (j = 0; j < n_cols; j++) { + if (check_column_being_renamed(table, col_names[j])) { + return(true); + } + } + + return(false); +} + +/*********************************************************************** +Check whether a column in table "table" is being renamed and if this column +is part of a foreign key, either part of another table, referencing this +table or part of this table, referencing another table. */ +static +bool +foreign_key_column_is_being_renamed( +/*================================*/ + /* out: true if a column that + participates in a foreign key definition + is being renamed */ + row_prebuilt_t* prebuilt, /* in: InnoDB prebuilt struct */ + TABLE* table) /* in: MySQL table */ +{ + dict_foreign_t* foreign; + + /* check whether there are foreign keys at all */ + if (UT_LIST_GET_LEN(prebuilt->table->foreign_list) == 0 + && UT_LIST_GET_LEN(prebuilt->table->referenced_list) == 0) { + /* no foreign keys involved with prebuilt->table */ + + return(false); + } + + row_mysql_lock_data_dictionary(prebuilt->trx); + + /* Check whether any column in the foreign key constraints which refer + to this table is being renamed. */ + for (foreign = UT_LIST_GET_FIRST(prebuilt->table->referenced_list); + foreign != NULL; + foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { + + if (column_is_being_renamed(table, foreign->n_fields, + foreign->referenced_col_names)) { + + row_mysql_unlock_data_dictionary(prebuilt->trx); + return(true); + } + } + + /* Check whether any column in the foreign key constraints in the + table is being renamed. */ + for (foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list); + foreign != NULL; + foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { + + if (column_is_being_renamed(table, foreign->n_fields, + foreign->foreign_col_names)) { + + row_mysql_unlock_data_dictionary(prebuilt->trx); + return(true); + } + } + + row_mysql_unlock_data_dictionary(prebuilt->trx); + + return(false); +} + +UNIV_INTERN +bool +ha_innobase::check_if_incompatible_data( + HA_CREATE_INFO* info, + uint table_changes) +{ + if (table_changes != IS_EQUAL_YES) { + + return(COMPATIBLE_DATA_NO); + } + + /* Check that auto_increment value was not changed */ + if ((info->used_fields & HA_CREATE_USED_AUTO) && + info->auto_increment_value != 0) { + + return(COMPATIBLE_DATA_NO); + } + + /* For column rename operation, MySQL does not supply enough + information (new column name etc.) for InnoDB to make appropriate + system metadata change. To avoid system metadata inconsistency, + currently we can just request a table rebuild/copy by returning + COMPATIBLE_DATA_NO */ + if (check_column_being_renamed(table, NULL)) { + return COMPATIBLE_DATA_NO; + } + + /* Check if a column participating in a foreign key is being renamed. + There is no mechanism for updating InnoDB foreign key definitions. */ + if (foreign_key_column_is_being_renamed(prebuilt, table)) { + + return COMPATIBLE_DATA_NO; + } + + /* Check that row format didn't change */ + if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) + && info->row_type != ROW_TYPE_DEFAULT + && info->row_type != get_row_type()) { + + return(COMPATIBLE_DATA_NO); + } + + /* Specifying KEY_BLOCK_SIZE requests a rebuild of the table. */ + if (info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE) { + return(COMPATIBLE_DATA_NO); + } + + return(COMPATIBLE_DATA_YES); +} + +/************************************************************//** +Validate the file format name and return its corresponding id. +@return valid file format id */ +static +uint +innobase_file_format_name_lookup( +/*=============================*/ + const char* format_name) /*!< in: pointer to file format name */ +{ + char* endp; + uint format_id; + + ut_a(format_name != NULL); + + /* The format name can contain the format id itself instead of + the name and we check for that. */ + format_id = (uint) strtoul(format_name, &endp, 10); + + /* Check for valid parse. */ + if (*endp == '\0' && *format_name != '\0') { + + if (format_id <= DICT_TF_FORMAT_MAX) { + + return(format_id); + } + } else { + + for (format_id = 0; format_id <= DICT_TF_FORMAT_MAX; + format_id++) { + const char* name; + + name = trx_sys_file_format_id_to_name(format_id); + + if (!innobase_strcasecmp(format_name, name)) { + + return(format_id); + } + } + } + + return(DICT_TF_FORMAT_MAX + 1); +} + +/************************************************************//** +Validate the file format check value, is it one of "on" or "off", +as a side effect it sets the srv_check_file_format_at_startup variable. +@return true if config value one of "on" or "off" */ +static +bool +innobase_file_format_check_on_off( +/*==============================*/ + const char* format_check) /*!< in: parameter value */ +{ + bool ret = true; + + if (!innobase_strcasecmp(format_check, "off")) { + + /* Set the value to disable checking. */ + srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX + 1; + + } else if (!innobase_strcasecmp(format_check, "on")) { + + /* Set the value to the lowest supported format. */ + srv_check_file_format_at_startup = DICT_TF_FORMAT_51; + } else { + ret = FALSE; + } + + return(ret); +} + +/************************************************************//** +Validate the file format check config parameters, as a side effect it +sets the srv_check_file_format_at_startup variable. +@return the format_id if valid config value, otherwise, return -1 */ +static +int +innobase_file_format_validate_and_set( +/*================================*/ + const char* format_check) /*!< in: parameter value */ +{ + uint format_id; + + format_id = innobase_file_format_name_lookup(format_check); + + if (format_id < DICT_TF_FORMAT_MAX + 1) { + srv_check_file_format_at_startup = format_id; + + return((int) format_id); + } else { + return(-1); + } +} + +/*************************************************************//** +Check if it is a valid file format. This function is registered as +a callback with MySQL. +@return 0 for valid file format */ +static +int +innodb_file_format_name_validate( +/*=============================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system + variable */ + void* save, /*!< out: immediate result + for update function */ + struct st_mysql_value* value) /*!< in: incoming string */ +{ + const char* file_format_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + + ut_a(save != NULL); + ut_a(value != NULL); + + file_format_input = value->val_str(value, buff, &len); + + if (file_format_input != NULL) { + uint format_id; + + format_id = innobase_file_format_name_lookup( + file_format_input); + + if (format_id <= DICT_TF_FORMAT_MAX) { + + /* Save a pointer to the name in the + 'file_format_name_map' constant array. */ + *static_cast(save) = + trx_sys_file_format_id_to_name(format_id); + + return(0); + } + } + + *static_cast(save) = NULL; + return(1); +} + +/****************************************************************//** +Update the system variable innodb_file_format using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_file_format_name_update( +/*===========================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr, /*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + const char* format_name; + + ut_a(var_ptr != NULL); + ut_a(save != NULL); + + format_name = *static_cast(save); + + if (format_name) { + uint format_id; + + format_id = innobase_file_format_name_lookup(format_name); + + if (format_id <= DICT_TF_FORMAT_MAX) { + srv_file_format = format_id; + } + } + + *static_cast(var_ptr) + = trx_sys_file_format_id_to_name(srv_file_format); +} + +/*************************************************************//** +Check if valid argument to innodb_file_format_check. This +function is registered as a callback with MySQL. +@return 0 for valid file format */ +static +int +innodb_file_format_check_validate( +/*==============================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system + variable */ + void* save, /*!< out: immediate result + for update function */ + struct st_mysql_value* value) /*!< in: incoming string */ +{ + const char* file_format_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + int format_id; + + ut_a(save != NULL); + ut_a(value != NULL); + + file_format_input = value->val_str(value, buff, &len); + + if (file_format_input != NULL) { + + /* Check if user set on/off, we want to print a suitable + message if they did so. */ + + if (innobase_file_format_check_on_off(file_format_input)) { + push_warning_printf(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, + "InnoDB: invalid innodb_file_format_check " + "value; on/off can only be set at startup or " + "in the configuration file"); + } else { + format_id = innobase_file_format_validate_and_set( + file_format_input); + + if (format_id >= 0) { + /* Save a pointer to the name in the + 'file_format_name_map' constant array. */ + *static_cast(save) = + trx_sys_file_format_id_to_name( + (uint)format_id); + + return(0); + + } else { + push_warning_printf(thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, + "InnoDB: invalid innodb_file_format_check " + "value; can be any format up to %s " + "or its equivalent numeric id", + trx_sys_file_format_id_to_name( + DICT_TF_FORMAT_MAX)); + } + } + } + + *static_cast(save) = NULL; + return(1); +} + +/****************************************************************//** +Update the system variable innodb_file_format_check using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_file_format_check_update( +/*============================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr, /*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + const char* format_name_in; + const char** format_name_out; + uint format_id; + + ut_a(save != NULL); + ut_a(var_ptr != NULL); + + format_name_in = *static_cast(save); + + if (!format_name_in) { + + return; + } + + format_id = innobase_file_format_name_lookup(format_name_in); + + if (format_id > DICT_TF_FORMAT_MAX) { + /* DEFAULT is "on", which is invalid at runtime. */ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_ARGUMENTS, + "Ignoring SET innodb_file_format=%s", + format_name_in); + return; + } + + format_name_out = static_cast(var_ptr); + + /* Update the max format id in the system tablespace. */ + if (trx_sys_file_format_max_set(format_id, format_name_out)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " [Info] InnoDB: the file format in the system " + "tablespace is now set to %s.\n", *format_name_out); + } +} + +/****************************************************************//** +Update the system variable innodb_adaptive_hash_index using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_adaptive_hash_index_update( +/*==============================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr, /*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + if (*(my_bool*) save) { + btr_search_enable(); + } else { + btr_search_disable(); + } +} + +/****************************************************************//** +Update the system variable innodb_old_blocks_pct using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_old_blocks_pct_update( +/*=========================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr,/*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + innobase_old_blocks_pct = buf_LRU_old_ratio_update( + *static_cast(save), TRUE); +} + +/*************************************************************//** +Check if it is a valid value of innodb_change_buffering. This function is +registered as a callback with MySQL. +@return 0 for valid innodb_change_buffering */ +static +int +innodb_change_buffering_validate( +/*=============================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to system + variable */ + void* save, /*!< out: immediate result + for update function */ + struct st_mysql_value* value) /*!< in: incoming string */ +{ + const char* change_buffering_input; + char buff[STRING_BUFFER_USUAL_SIZE]; + int len = sizeof(buff); + + ut_a(save != NULL); + ut_a(value != NULL); + + change_buffering_input = value->val_str(value, buff, &len); + + if (change_buffering_input != NULL) { + ulint use; + + for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values); + use++) { + if (!innobase_strcasecmp( + change_buffering_input, + innobase_change_buffering_values[use])) { + *(ibuf_use_t*) save = (ibuf_use_t) use; + return(0); + } + } + } + + return(1); +} + +/****************************************************************//** +Update the system variable innodb_change_buffering using the "saved" +value. This function is registered as a callback with MySQL. */ +static +void +innodb_change_buffering_update( +/*===========================*/ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr, /*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ +{ + ut_a(var_ptr != NULL); + ut_a(save != NULL); + ut_a((*(ibuf_use_t*) save) < IBUF_USE_COUNT); + + ibuf_use = *(const ibuf_use_t*) save; + + *(const char**) var_ptr = innobase_change_buffering_values[ibuf_use]; +} + +static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) +{ + innodb_export_status(); + var->type= SHOW_ARRAY; + var->value= (char *) &innodb_status_variables; + return 0; +} + +/*********************************************************************** +This function checks each index name for a table against reserved +system default primary index name 'GEN_CLUST_INDEX'. If a name matches, +this function pushes an warning message to the client, and returns true. */ +extern "C" UNIV_INTERN +bool +innobase_index_name_is_reserved( +/*============================*/ + /* out: true if an index name + matches the reserved name */ + const trx_t* trx, /* in: InnoDB transaction handle */ + const KEY* key_info, /* in: Indexes to be created */ + ulint num_of_keys) /* in: Number of indexes to + be created. */ +{ + const KEY* key; + uint key_num; /* index number */ + + for (key_num = 0; key_num < num_of_keys; key_num++) { + key = &key_info[key_num]; + + if (innobase_strcasecmp(key->name, + innobase_index_reserve_name) == 0) { + /* Push warning to mysql */ + push_warning_printf((THD*) trx->mysql_thd, + MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WRONG_NAME_FOR_INDEX, + "Cannot Create Index with name " + "'%s'. The name is reserved " + "for the system default primary " + "index.", + innobase_index_reserve_name); + + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + innobase_index_reserve_name); + + return(true); + } + } + + return(false); +} + +static SHOW_VAR innodb_status_variables_export[]= { + {"Innodb", (char*) &show_innodb_vars, SHOW_FUNC}, + {NullS, NullS, SHOW_LONG} +}; + +static struct st_mysql_storage_engine innobase_storage_engine= +{ MYSQL_HANDLERTON_INTERFACE_VERSION }; + +/* plugin options */ +static MYSQL_SYSVAR_BOOL(checksums, innobase_use_checksums, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Enable InnoDB checksums validation (enabled by default). " + "Disable with --skip-innodb-checksums.", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_STR(data_home_dir, innobase_data_home_dir, + PLUGIN_VAR_READONLY, + "The common part for InnoDB table spaces.", + NULL, NULL, NULL); + +static MYSQL_SYSVAR_BOOL(doublewrite, innobase_use_doublewrite, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Enable InnoDB doublewrite buffer (enabled by default). " + "Disable with --skip-innodb-doublewrite.", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_ULONG(io_capacity, srv_io_capacity, + PLUGIN_VAR_RQCMDARG, + "Number of IOPs the server can do. Tunes the background IO rate", + NULL, NULL, 200, 100, ~0L, 0); + +static MYSQL_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown, + PLUGIN_VAR_OPCMDARG, + "Speeds up the shutdown process of the InnoDB storage engine. Possible " + "values are 0, 1 (faster)" + /* + NetWare can't close unclosed files, can't automatically kill remaining + threads, etc, so on this OS we disable the crash-like InnoDB shutdown. + */ + IF_NETWARE("", " or 2 (fastest - crash-like)") + ".", + NULL, NULL, 1, 0, IF_NETWARE(1,2), 0); + +static MYSQL_SYSVAR_BOOL(file_per_table, srv_file_per_table, + PLUGIN_VAR_NOCMDARG, + "Stores each InnoDB table to an .ibd file in the database dir.", + NULL, NULL, FALSE); + +static MYSQL_SYSVAR_STR(file_format, innobase_file_format_name, + PLUGIN_VAR_RQCMDARG, + "File format to use for new tables in .ibd files.", + innodb_file_format_name_validate, + innodb_file_format_name_update, "Antelope"); + +/* If a new file format is introduced, the file format +name needs to be updated accordingly. Please refer to +file_format_name_map[] defined in trx0sys.c for the next +file format name. */ +static MYSQL_SYSVAR_STR(file_format_check, innobase_file_format_check, + PLUGIN_VAR_OPCMDARG, + "The highest file format in the tablespace.", + innodb_file_format_check_validate, + innodb_file_format_check_update, "Barracuda"); + +static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, + PLUGIN_VAR_OPCMDARG, + "Set to 0 (write and flush once per second)," + " 1 (write and flush at each commit)" + " or 2 (write at commit, flush once per second).", + NULL, NULL, 1, 0, 2, 0); + +static MYSQL_SYSVAR_STR(flush_method, innobase_file_flush_method, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "With which method to flush data.", NULL, NULL, NULL); + +static MYSQL_SYSVAR_BOOL(locks_unsafe_for_binlog, innobase_locks_unsafe_for_binlog, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Force InnoDB to not use next-key locking, to use only row-level locking.", + NULL, NULL, FALSE); + +#ifdef UNIV_LOG_ARCHIVE +static MYSQL_SYSVAR_STR(log_arch_dir, innobase_log_arch_dir, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Where full logs should be archived.", NULL, NULL, NULL); + +static MYSQL_SYSVAR_BOOL(log_archive, innobase_log_archive, + PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, + "Set to 1 if you want to have logs archived.", NULL, NULL, FALSE); +#endif /* UNIV_LOG_ARCHIVE */ + +static MYSQL_SYSVAR_STR(log_group_home_dir, innobase_log_group_home_dir, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Path to InnoDB log files.", NULL, NULL, NULL); + +static MYSQL_SYSVAR_ULONG(max_dirty_pages_pct, srv_max_buf_pool_modified_pct, + PLUGIN_VAR_RQCMDARG, + "Percentage of dirty pages allowed in bufferpool.", + NULL, NULL, 75, 0, 99, 0); + +static MYSQL_SYSVAR_BOOL(adaptive_flushing, srv_adaptive_flushing, + PLUGIN_VAR_NOCMDARG, + "Attempt flushing dirty pages to avoid IO bursts at checkpoints.", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_ULONG(max_purge_lag, srv_max_purge_lag, + PLUGIN_VAR_RQCMDARG, + "Desired maximum length of the purge queue (0 = no limit)", + NULL, NULL, 0, 0, ~0L, 0); + +static MYSQL_SYSVAR_BOOL(rollback_on_timeout, innobase_rollback_on_timeout, + PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, + "Roll back the complete transaction on lock wait timeout, for 4.x compatibility (disabled by default)", + NULL, NULL, FALSE); + +static MYSQL_SYSVAR_BOOL(status_file, innobase_create_status_file, + PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_NOSYSVAR, + "Enable SHOW INNODB STATUS output in the innodb_status. file", + NULL, NULL, FALSE); + +static MYSQL_SYSVAR_BOOL(stats_on_metadata, innobase_stats_on_metadata, + PLUGIN_VAR_OPCMDARG, + "Enable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_ULONGLONG(stats_sample_pages, srv_stats_sample_pages, + PLUGIN_VAR_RQCMDARG, + "The number of index pages to sample when calculating statistics (default 8)", + NULL, NULL, 8, 1, ~0ULL, 0); + +static MYSQL_SYSVAR_BOOL(adaptive_hash_index, btr_search_enabled, + PLUGIN_VAR_OPCMDARG, + "Enable InnoDB adaptive hash index (enabled by default). " + "Disable with --skip-innodb-adaptive-hash-index.", + NULL, innodb_adaptive_hash_index_update, TRUE); + +static MYSQL_SYSVAR_ULONG(replication_delay, srv_replication_delay, + PLUGIN_VAR_RQCMDARG, + "Replication thread delay (ms) on the slave server if " + "innodb_thread_concurrency is reached (0 by default)", + NULL, NULL, 0, 0, ~0UL, 0); + +static MYSQL_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.", + NULL, NULL, 8*1024*1024L, 512*1024L, LONG_MAX, 1024); + +static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment, + PLUGIN_VAR_RQCMDARG, + "Data file autoextend increment in megabytes", + NULL, NULL, 8L, 1L, 1000L, 0); + +static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", + NULL, NULL, 128*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); + +static MYSQL_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency, + PLUGIN_VAR_RQCMDARG, + "Helps in performance tuning in heavily concurrent environments.", + innobase_commit_concurrency_validate, NULL, 0, 0, 1000, 0); + +static MYSQL_SYSVAR_ULONG(concurrency_tickets, srv_n_free_tickets_to_enter, + PLUGIN_VAR_RQCMDARG, + "Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket", + NULL, NULL, 500L, 1L, ~0L, 0); + +static MYSQL_SYSVAR_LONG(file_io_threads, innobase_file_io_threads, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY | PLUGIN_VAR_NOSYSVAR, + "Number of file I/O threads in InnoDB.", + NULL, NULL, 4, 4, 64, 0); + +static MYSQL_SYSVAR_ULONG(read_io_threads, innobase_read_io_threads, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of background read I/O threads in InnoDB.", + NULL, NULL, 4, 1, 64, 0); + +static MYSQL_SYSVAR_ULONG(write_io_threads, innobase_write_io_threads, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of background write I/O threads in InnoDB.", + NULL, NULL, 4, 1, 64, 0); + +static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Helps to save your data in case the disk image of the database becomes corrupt.", + NULL, NULL, 0, 0, 6, 0); + +static MYSQL_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "The size of the buffer which InnoDB uses to write log to the log files on disk.", + NULL, NULL, 8*1024*1024L, 256*1024L, LONG_MAX, 1024); + +static MYSQL_SYSVAR_LONGLONG(log_file_size, innobase_log_file_size, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Size of each log file in a log group.", + NULL, NULL, 5*1024*1024L, 1*1024*1024L, LONGLONG_MAX, 1024*1024L); + +static MYSQL_SYSVAR_LONG(log_files_in_group, innobase_log_files_in_group, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of log files in the log group. InnoDB writes to the files in a circular fashion. Value 3 is recommended here.", + NULL, NULL, 2, 2, 100, 0); + +static MYSQL_SYSVAR_LONG(mirrored_log_groups, innobase_mirrored_log_groups, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of identical copies of log groups we keep for the database. Currently this should be set to 1.", + NULL, NULL, 1, 1, 10, 0); + +static MYSQL_SYSVAR_UINT(old_blocks_pct, innobase_old_blocks_pct, + PLUGIN_VAR_RQCMDARG, + "Percentage of the buffer pool to reserve for 'old' blocks.", + NULL, innodb_old_blocks_pct_update, 100 * 3 / 8, 5, 95, 0); + +static MYSQL_SYSVAR_UINT(old_blocks_time, buf_LRU_old_threshold_ms, + PLUGIN_VAR_RQCMDARG, + "Move blocks to the 'new' end of the buffer pool if the first access" + " was at least this many milliseconds ago." + " The timeout is disabled if 0 (the default).", + NULL, NULL, 0, 0, UINT_MAX32, 0); + +static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "How many files at the maximum InnoDB keeps open at the same time.", + NULL, NULL, 300L, 10L, LONG_MAX, 0); + +static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, + PLUGIN_VAR_RQCMDARG, + "Count of spin-loop rounds in InnoDB mutexes (30 by default)", + NULL, NULL, 30L, 0L, ~0L, 0); + +static MYSQL_SYSVAR_ULONG(spin_wait_delay, srv_spin_wait_delay, + PLUGIN_VAR_OPCMDARG, + "Maximum delay between polling for a spin lock (6 by default)", + NULL, NULL, 6L, 0L, ~0L, 0); + +static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency, + PLUGIN_VAR_RQCMDARG, + "Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.", + NULL, NULL, 0, 0, 1000, 0); + +static MYSQL_SYSVAR_ULONG(thread_sleep_delay, srv_thread_sleep_delay, + PLUGIN_VAR_RQCMDARG, + "Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep", + NULL, NULL, 10000L, 0L, ~0L, 0); + +static MYSQL_SYSVAR_STR(data_file_path, innobase_data_file_path, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Path to individual files and their sizes.", + NULL, NULL, NULL); + +static MYSQL_SYSVAR_LONG(autoinc_lock_mode, innobase_autoinc_lock_mode, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "The AUTOINC lock modes supported by InnoDB: " + "0 => Old style AUTOINC locking (for backward" + " compatibility) " + "1 => New style AUTOINC locking " + "2 => No AUTOINC locking (unsafe for SBR)", + NULL, NULL, + AUTOINC_NEW_STYLE_LOCKING, /* Default setting */ + AUTOINC_OLD_STYLE_LOCKING, /* Minimum value */ + AUTOINC_NO_LOCKING, 0); /* Maximum value */ + +static MYSQL_SYSVAR_STR(version, innodb_version_str, + PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY, + "InnoDB version", NULL, NULL, INNODB_VERSION_STR); + +static MYSQL_SYSVAR_BOOL(use_sys_malloc, srv_use_sys_malloc, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Use OS memory allocator instead of InnoDB's internal memory allocator", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, + PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, + "Use native AIO if supported on this platform.", + NULL, NULL, TRUE); + +static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, + PLUGIN_VAR_RQCMDARG, + "Buffer changes to reduce random access: " + "OFF, ON, inserting, deleting, changing, or purging.", + innodb_change_buffering_validate, + innodb_change_buffering_update, NULL); + +static MYSQL_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold, + PLUGIN_VAR_RQCMDARG, + "Number of pages that must be accessed sequentially for InnoDB to" + "trigger a readahead.", + NULL, NULL, 56, 0, 64, 0); + +static struct st_mysql_sys_var* innobase_system_variables[]= { + MYSQL_SYSVAR(additional_mem_pool_size), + MYSQL_SYSVAR(autoextend_increment), + MYSQL_SYSVAR(buffer_pool_size), + MYSQL_SYSVAR(checksums), + MYSQL_SYSVAR(commit_concurrency), + MYSQL_SYSVAR(concurrency_tickets), + MYSQL_SYSVAR(data_file_path), + MYSQL_SYSVAR(data_home_dir), + MYSQL_SYSVAR(doublewrite), + MYSQL_SYSVAR(fast_shutdown), + MYSQL_SYSVAR(file_io_threads), + MYSQL_SYSVAR(read_io_threads), + MYSQL_SYSVAR(write_io_threads), + MYSQL_SYSVAR(file_per_table), + MYSQL_SYSVAR(file_format), + MYSQL_SYSVAR(file_format_check), + MYSQL_SYSVAR(flush_log_at_trx_commit), + MYSQL_SYSVAR(flush_method), + MYSQL_SYSVAR(force_recovery), + MYSQL_SYSVAR(locks_unsafe_for_binlog), + MYSQL_SYSVAR(lock_wait_timeout), +#ifdef UNIV_LOG_ARCHIVE + MYSQL_SYSVAR(log_arch_dir), + MYSQL_SYSVAR(log_archive), +#endif /* UNIV_LOG_ARCHIVE */ + MYSQL_SYSVAR(log_buffer_size), + MYSQL_SYSVAR(log_file_size), + MYSQL_SYSVAR(log_files_in_group), + MYSQL_SYSVAR(log_group_home_dir), + MYSQL_SYSVAR(max_dirty_pages_pct), + MYSQL_SYSVAR(adaptive_flushing), + MYSQL_SYSVAR(max_purge_lag), + MYSQL_SYSVAR(mirrored_log_groups), + MYSQL_SYSVAR(old_blocks_pct), + MYSQL_SYSVAR(old_blocks_time), + MYSQL_SYSVAR(open_files), + MYSQL_SYSVAR(rollback_on_timeout), + MYSQL_SYSVAR(stats_on_metadata), + MYSQL_SYSVAR(stats_sample_pages), + MYSQL_SYSVAR(adaptive_hash_index), + MYSQL_SYSVAR(replication_delay), + MYSQL_SYSVAR(status_file), + MYSQL_SYSVAR(strict_mode), + MYSQL_SYSVAR(support_xa), + MYSQL_SYSVAR(sync_spin_loops), + MYSQL_SYSVAR(spin_wait_delay), + MYSQL_SYSVAR(table_locks), + MYSQL_SYSVAR(thread_concurrency), + MYSQL_SYSVAR(thread_sleep_delay), + MYSQL_SYSVAR(autoinc_lock_mode), + MYSQL_SYSVAR(version), + MYSQL_SYSVAR(use_sys_malloc), + MYSQL_SYSVAR(use_native_aio), + MYSQL_SYSVAR(change_buffering), + MYSQL_SYSVAR(read_ahead_threshold), + MYSQL_SYSVAR(io_capacity), + NULL +}; + +mysql_declare_plugin(innobase) +{ + MYSQL_STORAGE_ENGINE_PLUGIN, + &innobase_storage_engine, + innobase_hton_name, + "Innobase Oy", + "Supports transactions, row-level locking, and foreign keys", + PLUGIN_LICENSE_GPL, + innobase_init, /* Plugin Init */ + NULL, /* Plugin Deinit */ + INNODB_VERSION_SHORT, + innodb_status_variables_export,/* status variables */ + innobase_system_variables, /* system variables */ + NULL /* reserved */ +}, +i_s_innodb_trx, +i_s_innodb_locks, +i_s_innodb_lock_waits, +i_s_innodb_cmp, +i_s_innodb_cmp_reset, +i_s_innodb_cmpmem, +i_s_innodb_cmpmem_reset +mysql_declare_plugin_end; + +/** @brief Initialize the default value of innodb_commit_concurrency. + +Once InnoDB is running, the innodb_commit_concurrency must not change +from zero to nonzero. (Bug #42101) + +The initial default value is 0, and without this extra initialization, +SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter +to 0, even if it was initially set to nonzero at the command line +or configuration file. */ +static +void +innobase_commit_concurrency_init_default(void) +/*==========================================*/ +{ + MYSQL_SYSVAR_NAME(commit_concurrency).def_val + = innobase_commit_concurrency; +} + +#ifdef UNIV_COMPILE_TEST_FUNCS + +typedef struct innobase_convert_name_test_struct { + char* buf; + ulint buflen; + const char* id; + ulint idlen; + void* thd; + ibool file_id; + + const char* expected; +} innobase_convert_name_test_t; + +void +test_innobase_convert_name() +{ + char buf[1024]; + ulint i; + + innobase_convert_name_test_t test_input[] = { + {buf, sizeof(buf), "abcd", 4, NULL, TRUE, "\"abcd\""}, + {buf, 7, "abcd", 4, NULL, TRUE, "\"abcd\""}, + {buf, 6, "abcd", 4, NULL, TRUE, "\"abcd\""}, + {buf, 5, "abcd", 4, NULL, TRUE, "\"abc\""}, + {buf, 4, "abcd", 4, NULL, TRUE, "\"ab\""}, + + {buf, sizeof(buf), "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, + {buf, 9, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, + {buf, 8, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, + {buf, 7, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, + {buf, 6, "ab@0060cd", 9, NULL, TRUE, "\"ab`c\""}, + {buf, 5, "ab@0060cd", 9, NULL, TRUE, "\"ab`\""}, + {buf, 4, "ab@0060cd", 9, NULL, TRUE, "\"ab\""}, + + {buf, sizeof(buf), "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\"\"cd\""}, + {buf, 17, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\"\"cd\""}, + {buf, 16, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\"\"c\""}, + {buf, 15, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\"\"\""}, + {buf, 14, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\""}, + {buf, 13, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#ab\""}, + {buf, 12, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#a\""}, + {buf, 11, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50#\""}, + {buf, 10, "ab\"cd", 5, NULL, TRUE, + "\"#mysql50\""}, + + {buf, sizeof(buf), "ab/cd", 5, NULL, TRUE, "\"ab\".\"cd\""}, + {buf, 9, "ab/cd", 5, NULL, TRUE, "\"ab\".\"cd\""}, + {buf, 8, "ab/cd", 5, NULL, TRUE, "\"ab\".\"c\""}, + {buf, 7, "ab/cd", 5, NULL, TRUE, "\"ab\".\"\""}, + {buf, 6, "ab/cd", 5, NULL, TRUE, "\"ab\"."}, + {buf, 5, "ab/cd", 5, NULL, TRUE, "\"ab\"."}, + {buf, 4, "ab/cd", 5, NULL, TRUE, "\"ab\""}, + {buf, 3, "ab/cd", 5, NULL, TRUE, "\"a\""}, + {buf, 2, "ab/cd", 5, NULL, TRUE, "\"\""}, + /* XXX probably "" is a better result in this case + {buf, 1, "ab/cd", 5, NULL, TRUE, "."}, + */ + {buf, 0, "ab/cd", 5, NULL, TRUE, ""}, + }; + + for (i = 0; i < sizeof(test_input) / sizeof(test_input[0]); i++) { + + char* end; + ibool ok = TRUE; + size_t res_len; + + fprintf(stderr, "TESTING %lu, %s, %lu, %s\n", + test_input[i].buflen, + test_input[i].id, + test_input[i].idlen, + test_input[i].expected); + + end = innobase_convert_name( + test_input[i].buf, + test_input[i].buflen, + test_input[i].id, + test_input[i].idlen, + test_input[i].thd, + test_input[i].file_id); + + res_len = (size_t) (end - test_input[i].buf); + + if (res_len != strlen(test_input[i].expected)) { + + fprintf(stderr, "unexpected len of the result: %u, " + "expected: %u\n", (unsigned) res_len, + (unsigned) strlen(test_input[i].expected)); + ok = FALSE; + } + + if (memcmp(test_input[i].buf, + test_input[i].expected, + strlen(test_input[i].expected)) != 0 + || !ok) { + + fprintf(stderr, "unexpected result: %.*s, " + "expected: %s\n", (int) res_len, + test_input[i].buf, + test_input[i].expected); + ok = FALSE; + } + + if (ok) { + fprintf(stderr, "OK: res: %.*s\n\n", (int) res_len, + buf); + } else { + fprintf(stderr, "FAILED\n\n"); + return; + } + } +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/handler/ha_innodb.h b/perfschema/handler/ha_innodb.h new file mode 100644 index 00000000000..8a3e1ccff82 --- /dev/null +++ b/perfschema/handler/ha_innodb.h @@ -0,0 +1,326 @@ +/***************************************************************************** + +Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/* + This file is based on ha_berkeley.h of MySQL distribution + + This file defines the Innodb handler: the interface between MySQL and + Innodb +*/ + +#ifdef USE_PRAGMA_INTERFACE +#pragma interface /* gcc class implementation */ +#endif + +/* Structure defines translation table between mysql index and innodb +index structures */ +typedef struct innodb_idx_translate_struct { + ulint index_count; /*!< number of valid index entries + in the index_mapping array */ + ulint array_size; /*!< array size of index_mapping */ + dict_index_t** index_mapping; /*!< index pointer array directly + maps to index in Innodb from MySQL + array index */ +} innodb_idx_translate_t; + + +/** InnoDB table share */ +typedef struct st_innobase_share { + THR_LOCK lock; /*!< MySQL lock protecting + this structure */ + const char* table_name; /*!< InnoDB table name */ + uint use_count; /*!< reference count, + incremented in get_share() + and decremented in + free_share() */ + void* table_name_hash;/*!< hash table chain node */ + innodb_idx_translate_t idx_trans_tbl; /*!< index translation + table between MySQL and + Innodb */ +} INNOBASE_SHARE; + + +/** InnoDB B-tree index */ +struct dict_index_struct; +/** Prebuilt structures in an Innobase table handle used within MySQL */ +struct row_prebuilt_struct; + +/** InnoDB B-tree index */ +typedef struct dict_index_struct dict_index_t; +/** Prebuilt structures in an Innobase table handle used within MySQL */ +typedef struct row_prebuilt_struct row_prebuilt_t; + +/** The class defining a handle to an Innodb table */ +class ha_innobase: public handler +{ + row_prebuilt_t* prebuilt; /*!< prebuilt struct in InnoDB, used + to save CPU time with prebuilt data + structures*/ + THD* user_thd; /*!< the thread handle of the user + currently using the handle; this is + set in external_lock function */ + THR_LOCK_DATA lock; + INNOBASE_SHARE* share; /*!< information for MySQL + table locking */ + + uchar* upd_buff; /*!< buffer used in updates */ + uchar* key_val_buff; /*!< buffer used in converting + search key values from MySQL format + to Innodb format */ + ulong upd_and_key_val_buff_len; + /* the length of each of the previous + two buffers */ + Table_flags int_table_flags; + uint primary_key; + ulong start_of_scan; /*!< this is set to 1 when we are + starting a table scan but have not + yet fetched any row, else 0 */ + uint last_match_mode;/* match mode of the latest search: + ROW_SEL_EXACT, ROW_SEL_EXACT_PREFIX, + or undefined */ + uint num_write_row; /*!< number of write_row() calls */ + + uint store_key_val_for_row(uint keynr, char* buff, uint buff_len, + const uchar* record); + inline void update_thd(THD* thd); + void update_thd(); + int change_active_index(uint keynr); + int general_fetch(uchar* buf, uint direction, uint match_mode); + ulint innobase_lock_autoinc(); + ulonglong innobase_peek_autoinc(); + ulint innobase_set_max_autoinc(ulonglong auto_inc); + ulint innobase_reset_autoinc(ulonglong auto_inc); + ulint innobase_get_autoinc(ulonglong* value); + ulint innobase_update_autoinc(ulonglong auto_inc); + void innobase_initialize_autoinc(); + dict_index_t* innobase_get_index(uint keynr); + + /* Init values for the class: */ + public: + ha_innobase(handlerton *hton, TABLE_SHARE *table_arg); + ~ha_innobase(); + /* + Get the row type from the storage engine. If this method returns + ROW_TYPE_NOT_USED, the information in HA_CREATE_INFO should be used. + */ + enum row_type get_row_type() const; + + const char* table_type() const; + const char* index_type(uint key_number); + const char** bas_ext() const; + Table_flags table_flags() const; + ulong index_flags(uint idx, uint part, bool all_parts) const; + uint max_supported_keys() const; + uint max_supported_key_length() const; + uint max_supported_key_part_length() const; + const key_map* keys_to_use_for_scanning(); + + int open(const char *name, int mode, uint test_if_locked); + int close(void); + double scan_time(); + double read_time(uint index, uint ranges, ha_rows rows); + + int write_row(uchar * buf); + int update_row(const uchar * old_data, uchar * new_data); + int delete_row(const uchar * buf); + bool was_semi_consistent_read(); + void try_semi_consistent_read(bool yes); + void unlock_row(); + + int index_init(uint index, bool sorted); + int index_end(); + int index_read(uchar * buf, const uchar * key, + uint key_len, enum ha_rkey_function find_flag); + int index_read_idx(uchar * buf, uint index, const uchar * key, + uint key_len, enum ha_rkey_function find_flag); + int index_read_last(uchar * buf, const uchar * key, uint key_len); + int index_next(uchar * buf); + int index_next_same(uchar * buf, const uchar *key, uint keylen); + int index_prev(uchar * buf); + int index_first(uchar * buf); + int index_last(uchar * buf); + + int rnd_init(bool scan); + int rnd_end(); + int rnd_next(uchar *buf); + int rnd_pos(uchar * buf, uchar *pos); + + void position(const uchar *record); + int info(uint); + int analyze(THD* thd,HA_CHECK_OPT* check_opt); + int optimize(THD* thd,HA_CHECK_OPT* check_opt); + int discard_or_import_tablespace(my_bool discard); + int extra(enum ha_extra_function operation); + int reset(); + int external_lock(THD *thd, int lock_type); + int transactional_table_lock(THD *thd, int lock_type); + int start_stmt(THD *thd, thr_lock_type lock_type); + void position(uchar *record); + ha_rows records_in_range(uint inx, key_range *min_key, key_range + *max_key); + ha_rows estimate_rows_upper_bound(); + + void update_create_info(HA_CREATE_INFO* create_info); + int create(const char *name, register TABLE *form, + HA_CREATE_INFO *create_info); + int delete_all_rows(); + int delete_table(const char *name); + int rename_table(const char* from, const char* to); + int check(THD* thd, HA_CHECK_OPT* check_opt); + char* update_table_comment(const char* comment); + char* get_foreign_key_create_info(); + int get_foreign_key_list(THD *thd, List *f_key_list); + bool can_switch_engines(); + uint referenced_by_foreign_key(); + void free_foreign_key_create_info(char* str); + THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, + enum thr_lock_type lock_type); + void init_table_handle_for_HANDLER(); + virtual void get_auto_increment(ulonglong offset, ulonglong increment, + ulonglong nb_desired_values, + ulonglong *first_value, + ulonglong *nb_reserved_values); + int reset_auto_increment(ulonglong value); + + virtual bool get_error_message(int error, String *buf); + + uint8 table_cache_type(); + /* + ask handler about permission to cache table during query registration + */ + my_bool register_query_cache_table(THD *thd, char *table_key, + uint key_length, + qc_engine_callback *call_back, + ulonglong *engine_data); + static char *get_mysql_bin_log_name(); + static ulonglong get_mysql_bin_log_pos(); + bool primary_key_is_clustered(); + int cmp_ref(const uchar *ref1, const uchar *ref2); + /** Fast index creation (smart ALTER TABLE) @see handler0alter.cc @{ */ + int add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys); + int prepare_drop_index(TABLE *table_arg, uint *key_num, + uint num_of_keys); + int final_drop_index(TABLE *table_arg); + /** @} */ + bool check_if_incompatible_data(HA_CREATE_INFO *info, + uint table_changes); +}; + +/* Some accessor functions which the InnoDB plugin needs, but which +can not be added to mysql/plugin.h as part of the public interface; +the definitions are bracketed with #ifdef INNODB_COMPATIBILITY_HOOKS */ + +#ifndef INNODB_COMPATIBILITY_HOOKS +#error InnoDB needs MySQL to be built with #define INNODB_COMPATIBILITY_HOOKS +#endif + +extern "C" { +struct charset_info_st *thd_charset(MYSQL_THD thd); +char **thd_query(MYSQL_THD thd); + +/** Get the file name of the MySQL binlog. + * @return the name of the binlog file + */ +const char* mysql_bin_log_file_name(void); + +/** Get the current position of the MySQL binlog. + * @return byte offset from the beginning of the binlog + */ +ulonglong mysql_bin_log_file_pos(void); + +/** + Check if a user thread is a replication slave thread + @param thd user thread + @retval 0 the user thread is not a replication slave thread + @retval 1 the user thread is a replication slave thread +*/ +int thd_slave_thread(const MYSQL_THD thd); + +/** + Check if a user thread is running a non-transactional update + @param thd user thread + @retval 0 the user thread is not running a non-transactional update + @retval 1 the user thread is running a non-transactional update +*/ +int thd_non_transactional_update(const MYSQL_THD thd); + +/** + Get the user thread's binary logging format + @param thd user thread + @return Value to be used as index into the binlog_format_names array +*/ +int thd_binlog_format(const MYSQL_THD thd); + +/** + Mark transaction to rollback and mark error as fatal to a sub-statement. + @param thd Thread handle + @param all TRUE <=> rollback main transaction. +*/ +void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all); + +#if MYSQL_VERSION_ID > 50140 +/** + Check if binary logging is filtered for thread's current db. + @param thd Thread handle + @retval 1 the query is not filtered, 0 otherwise. +*/ +bool thd_binlog_filter_ok(const MYSQL_THD thd); +#endif /* MYSQL_VERSION_ID > 50140 */ +} + +typedef struct trx_struct trx_t; +/********************************************************************//** +@file handler/ha_innodb.h +Converts an InnoDB error code to a MySQL error code and also tells to MySQL +about a possible transaction rollback inside InnoDB caused by a lock wait +timeout or a deadlock. +@return MySQL error code */ +extern "C" +int +convert_error_code_to_mysql( +/*========================*/ + int error, /*!< in: InnoDB error code */ + ulint flags, /*!< in: InnoDB table flags, or 0 */ + MYSQL_THD thd); /*!< in: user thread handle or NULL */ + +/*********************************************************************//** +Allocates an InnoDB transaction for a MySQL handler object. +@return InnoDB transaction handle */ +extern "C" +trx_t* +innobase_trx_allocate( +/*==================*/ + MYSQL_THD thd); /*!< in: user thread handle */ + + +/*********************************************************************//** +This function checks each index name for a table against reserved +system default primary index name 'GEN_CLUST_INDEX'. If a name +matches, this function pushes an warning message to the client, +and returns true. */ +extern "C" +bool +innobase_index_name_is_reserved( +/*============================*/ + /* out: true if the index name + matches the reserved name */ + const trx_t* trx, /* in: InnoDB transaction handle */ + const KEY* key_info, /* in: Indexes to be created */ + ulint num_of_keys); /* in: Number of indexes to + be created. */ + diff --git a/perfschema/handler/handler0alter.cc b/perfschema/handler/handler0alter.cc new file mode 100644 index 00000000000..071253d2dae --- /dev/null +++ b/perfschema/handler/handler0alter.cc @@ -0,0 +1,1234 @@ +/***************************************************************************** + +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file handler/handler0alter.cc +Smart ALTER TABLE +*******************************************************/ + +#include +#include + +extern "C" { +#include "log0log.h" +#include "row0merge.h" +#include "srv0srv.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "ha_prototypes.h" +#include "handler0alter.h" +} + +#include "ha_innodb.h" + +/*************************************************************//** +Copies an InnoDB column to a MySQL field. This function is +adapted from row_sel_field_store_in_mysql_format(). */ +static +void +innobase_col_to_mysql( +/*==================*/ + const dict_col_t* col, /*!< in: InnoDB column */ + const uchar* data, /*!< in: InnoDB column data */ + ulint len, /*!< in: length of data, in bytes */ + Field* field) /*!< in/out: MySQL field */ +{ + uchar* ptr; + uchar* dest = field->ptr; + ulint flen = field->pack_length(); + + switch (col->mtype) { + case DATA_INT: + ut_ad(len == flen); + + /* Convert integer data from Innobase to little-endian + format, sign bit restored to normal */ + + for (ptr = dest + len; ptr != dest; ) { + *--ptr = *data++; + } + + if (!(field->flags & UNSIGNED_FLAG)) { + ((byte*) dest)[len - 1] ^= 0x80; + } + + break; + + case DATA_VARCHAR: + case DATA_VARMYSQL: + case DATA_BINARY: + field->reset(); + + if (field->type() == MYSQL_TYPE_VARCHAR) { + /* This is a >= 5.0.3 type true VARCHAR. Store the + length of the data to the first byte or the first + two bytes of dest. */ + + dest = row_mysql_store_true_var_len( + dest, len, flen - field->key_length()); + } + + /* Copy the actual data */ + memcpy(dest, data, len); + break; + + case DATA_BLOB: + /* Store a pointer to the BLOB buffer to dest: the BLOB was + already copied to the buffer in row_sel_store_mysql_rec */ + + row_mysql_store_blob_ref(dest, flen, data, len); + break; + +#ifdef UNIV_DEBUG + case DATA_MYSQL: + ut_ad(flen >= len); + ut_ad(col->mbmaxlen >= col->mbminlen); + ut_ad(col->mbmaxlen > col->mbminlen || flen == len); + memcpy(dest, data, len); + break; + + default: + case DATA_SYS_CHILD: + case DATA_SYS: + /* These column types should never be shipped to MySQL. */ + ut_ad(0); + + case DATA_CHAR: + case DATA_FIXBINARY: + case DATA_FLOAT: + case DATA_DOUBLE: + case DATA_DECIMAL: + /* Above are the valid column types for MySQL data. */ + ut_ad(flen == len); +#else /* UNIV_DEBUG */ + default: +#endif /* UNIV_DEBUG */ + memcpy(dest, data, len); + } +} + +/*************************************************************//** +Copies an InnoDB record to table->record[0]. */ +extern "C" UNIV_INTERN +void +innobase_rec_to_mysql( +/*==================*/ + TABLE* table, /*!< in/out: MySQL table */ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets) /*!< in: rec_get_offsets( + rec, index, ...) */ +{ + uint n_fields = table->s->fields; + uint i; + + ut_ad(n_fields == dict_table_get_n_user_cols(index->table)); + + for (i = 0; i < n_fields; i++) { + Field* field = table->field[i]; + ulint ipos; + ulint ilen; + const uchar* ifield; + + field->reset(); + + ipos = dict_index_get_nth_col_pos(index, i); + + if (UNIV_UNLIKELY(ipos == ULINT_UNDEFINED)) { +null_field: + field->set_null(); + continue; + } + + ifield = rec_get_nth_field(rec, offsets, ipos, &ilen); + + /* Assign the NULL flag */ + if (ilen == UNIV_SQL_NULL) { + ut_ad(field->real_maybe_null()); + goto null_field; + } + + field->set_notnull(); + + innobase_col_to_mysql( + dict_field_get_col( + dict_index_get_nth_field(index, ipos)), + ifield, ilen, field); + } +} + +/*************************************************************//** +Resets table->record[0]. */ +extern "C" UNIV_INTERN +void +innobase_rec_reset( +/*===============*/ + TABLE* table) /*!< in/out: MySQL table */ +{ + uint n_fields = table->s->fields; + uint i; + + for (i = 0; i < n_fields; i++) { + table->field[i]->set_default(); + } +} + +/******************************************************************//** +Removes the filename encoding of a database and table name. */ +static +void +innobase_convert_tablename( +/*=======================*/ + char* s) /*!< in: identifier; out: decoded identifier */ +{ + uint errors; + + char* slash = strchr(s, '/'); + + if (slash) { + char* t; + /* Temporarily replace the '/' with NUL. */ + *slash = 0; + /* Convert the database name. */ + strconvert(&my_charset_filename, s, system_charset_info, + s, slash - s + 1, &errors); + + t = s + strlen(s); + ut_ad(slash >= t); + /* Append a '.' after the database name. */ + *t++ = '.'; + slash++; + /* Convert the table name. */ + strconvert(&my_charset_filename, slash, system_charset_info, + t, slash - t + strlen(slash), &errors); + } else { + strconvert(&my_charset_filename, s, + system_charset_info, s, strlen(s), &errors); + } +} + +/*******************************************************************//** +This function checks that index keys are sensible. +@return 0 or error number */ +static +int +innobase_check_index_keys( +/*======================*/ + const KEY* key_info, /*!< in: Indexes to be + created */ + ulint num_of_keys, /*!< in: Number of + indexes to be created */ + const dict_table_t* table) /*!< in: Existing indexes */ +{ + ulint key_num; + + ut_ad(key_info); + ut_ad(num_of_keys); + + for (key_num = 0; key_num < num_of_keys; key_num++) { + const KEY& key = key_info[key_num]; + + /* Check that the same index name does not appear + twice in indexes to be created. */ + + for (ulint i = 0; i < key_num; i++) { + const KEY& key2 = key_info[i]; + + if (0 == strcmp(key.name, key2.name)) { + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + key.name); + + return(ER_WRONG_NAME_FOR_INDEX); + } + } + + /* Check that the same index name does not already exist. */ + + for (const dict_index_t* index + = dict_table_get_first_index(table); + index; index = dict_table_get_next_index(index)) { + + if (0 == strcmp(key.name, index->name)) { + my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), + key.name); + + return(ER_WRONG_NAME_FOR_INDEX); + } + } + + /* Check that MySQL does not try to create a column + prefix index field on an inappropriate data type and + that the same column does not appear twice in the index. */ + + for (ulint i = 0; i < key.key_parts; i++) { + const KEY_PART_INFO& key_part1 + = key.key_part[i]; + const Field* field + = key_part1.field; + ibool is_unsigned; + + switch (get_innobase_type_from_mysql_type( + &is_unsigned, field)) { + default: + break; + case DATA_INT: + case DATA_FLOAT: + case DATA_DOUBLE: + case DATA_DECIMAL: + if (field->type() == MYSQL_TYPE_VARCHAR) { + if (key_part1.length + >= field->pack_length() + - ((Field_varstring*) field) + ->length_bytes) { + break; + } + } else { + if (key_part1.length + >= field->pack_length()) { + break; + } + } + + my_error(ER_WRONG_KEY_COLUMN, MYF(0), + field->field_name); + return(ER_WRONG_KEY_COLUMN); + } + + for (ulint j = 0; j < i; j++) { + const KEY_PART_INFO& key_part2 + = key.key_part[j]; + + if (strcmp(key_part1.field->field_name, + key_part2.field->field_name)) { + continue; + } + + my_error(ER_WRONG_KEY_COLUMN, MYF(0), + key_part1.field->field_name); + return(ER_WRONG_KEY_COLUMN); + } + } + } + + return(0); +} + +/*******************************************************************//** +Create index field definition for key part */ +static +void +innobase_create_index_field_def( +/*============================*/ + KEY_PART_INFO* key_part, /*!< in: MySQL key definition */ + mem_heap_t* heap, /*!< in: memory heap */ + merge_index_field_t* index_field) /*!< out: index field + definition for key_part */ +{ + Field* field; + ibool is_unsigned; + ulint col_type; + + DBUG_ENTER("innobase_create_index_field_def"); + + ut_ad(key_part); + ut_ad(index_field); + + field = key_part->field; + ut_a(field); + + col_type = get_innobase_type_from_mysql_type(&is_unsigned, field); + + if (DATA_BLOB == col_type + || (key_part->length < field->pack_length() + && field->type() != MYSQL_TYPE_VARCHAR) + || (field->type() == MYSQL_TYPE_VARCHAR + && key_part->length < field->pack_length() + - ((Field_varstring*)field)->length_bytes)) { + + index_field->prefix_len = key_part->length; + } else { + index_field->prefix_len = 0; + } + + index_field->field_name = mem_heap_strdup(heap, field->field_name); + + DBUG_VOID_RETURN; +} + +/*******************************************************************//** +Create index definition for key */ +static +void +innobase_create_index_def( +/*======================*/ + KEY* key, /*!< in: key definition */ + bool new_primary, /*!< in: TRUE=generating + a new primary key + on the table */ + bool key_primary, /*!< in: TRUE if this key + is a primary key */ + merge_index_def_t* index, /*!< out: index definition */ + mem_heap_t* heap) /*!< in: heap where memory + is allocated */ +{ + ulint i; + ulint len; + ulint n_fields = key->key_parts; + char* index_name; + + DBUG_ENTER("innobase_create_index_def"); + + index->fields = (merge_index_field_t*) mem_heap_alloc( + heap, n_fields * sizeof *index->fields); + + index->ind_type = 0; + index->n_fields = n_fields; + len = strlen(key->name) + 1; + index->name = index_name = (char*) mem_heap_alloc(heap, + len + !new_primary); + + if (UNIV_LIKELY(!new_primary)) { + *index_name++ = TEMP_INDEX_PREFIX; + } + + memcpy(index_name, key->name, len); + + if (key->flags & HA_NOSAME) { + index->ind_type |= DICT_UNIQUE; + } + + if (key_primary) { + index->ind_type |= DICT_CLUSTERED; + } + + for (i = 0; i < n_fields; i++) { + innobase_create_index_field_def(&key->key_part[i], heap, + &index->fields[i]); + } + + DBUG_VOID_RETURN; +} + +/*******************************************************************//** +Copy index field definition */ +static +void +innobase_copy_index_field_def( +/*==========================*/ + const dict_field_t* field, /*!< in: definition to copy */ + merge_index_field_t* index_field) /*!< out: copied definition */ +{ + DBUG_ENTER("innobase_copy_index_field_def"); + DBUG_ASSERT(field != NULL); + DBUG_ASSERT(index_field != NULL); + + index_field->field_name = field->name; + index_field->prefix_len = field->prefix_len; + + DBUG_VOID_RETURN; +} + +/*******************************************************************//** +Copy index definition for the index */ +static +void +innobase_copy_index_def( +/*====================*/ + const dict_index_t* index, /*!< in: index definition to copy */ + merge_index_def_t* new_index,/*!< out: Index definition */ + mem_heap_t* heap) /*!< in: heap where allocated */ +{ + ulint n_fields; + ulint i; + + DBUG_ENTER("innobase_copy_index_def"); + + /* Note that we take only those fields that user defined to be + in the index. In the internal representation more colums were + added and those colums are not copied .*/ + + n_fields = index->n_user_defined_cols; + + new_index->fields = (merge_index_field_t*) mem_heap_alloc( + heap, n_fields * sizeof *new_index->fields); + + /* When adding a PRIMARY KEY, we may convert a previous + clustered index to a secondary index (UNIQUE NOT NULL). */ + new_index->ind_type = index->type & ~DICT_CLUSTERED; + new_index->n_fields = n_fields; + new_index->name = index->name; + + for (i = 0; i < n_fields; i++) { + innobase_copy_index_field_def(&index->fields[i], + &new_index->fields[i]); + } + + DBUG_VOID_RETURN; +} + +/*******************************************************************//** +Create an index table where indexes are ordered as follows: + +IF a new primary key is defined for the table THEN + + 1) New primary key + 2) Original secondary indexes + 3) New secondary indexes + +ELSE + + 1) All new indexes in the order they arrive from MySQL + +ENDIF + + +@return key definitions or NULL */ +static +merge_index_def_t* +innobase_create_key_def( +/*====================*/ + trx_t* trx, /*!< in: trx */ + const dict_table_t*table, /*!< in: table definition */ + mem_heap_t* heap, /*!< in: heap where space for key + definitions are allocated */ + KEY* key_info, /*!< in: Indexes to be created */ + ulint& n_keys) /*!< in/out: Number of indexes to + be created */ +{ + ulint i = 0; + merge_index_def_t* indexdef; + merge_index_def_t* indexdefs; + bool new_primary; + + DBUG_ENTER("innobase_create_key_def"); + + indexdef = indexdefs = (merge_index_def_t*) + mem_heap_alloc(heap, sizeof *indexdef + * (n_keys + UT_LIST_GET_LEN(table->indexes))); + + /* If there is a primary key, it is always the first index + defined for the table. */ + + new_primary = !my_strcasecmp(system_charset_info, + key_info->name, "PRIMARY"); + + /* If there is a UNIQUE INDEX consisting entirely of NOT NULL + columns and if the index does not contain column prefix(es) + (only prefix/part of the column is indexed), MySQL will treat the + index as a PRIMARY KEY unless the table already has one. */ + + if (!new_primary && (key_info->flags & HA_NOSAME) + && (!(key_info->flags & HA_KEY_HAS_PART_KEY_SEG)) + && row_table_got_default_clust_index(table)) { + uint key_part = key_info->key_parts; + + new_primary = TRUE; + + while (key_part--) { + if (key_info->key_part[key_part].key_type + & FIELDFLAG_MAYBE_NULL) { + new_primary = FALSE; + break; + } + } + } + + if (new_primary) { + const dict_index_t* index; + + /* Create the PRIMARY key index definition */ + innobase_create_index_def(&key_info[i++], TRUE, TRUE, + indexdef++, heap); + + row_mysql_lock_data_dictionary(trx); + + index = dict_table_get_first_index(table); + + /* Copy the index definitions of the old table. Skip + the old clustered index if it is a generated clustered + index or a PRIMARY KEY. If the clustered index is a + UNIQUE INDEX, it must be converted to a secondary index. */ + + if (dict_index_get_nth_col(index, 0)->mtype == DATA_SYS + || !my_strcasecmp(system_charset_info, + index->name, "PRIMARY")) { + index = dict_table_get_next_index(index); + } + + while (index) { + innobase_copy_index_def(index, indexdef++, heap); + index = dict_table_get_next_index(index); + } + + row_mysql_unlock_data_dictionary(trx); + } + + /* Create definitions for added secondary indexes. */ + + while (i < n_keys) { + innobase_create_index_def(&key_info[i++], new_primary, FALSE, + indexdef++, heap); + } + + n_keys = indexdef - indexdefs; + + DBUG_RETURN(indexdefs); +} + +/*******************************************************************//** +Create a temporary tablename using query id, thread id, and id +@return temporary tablename */ +static +char* +innobase_create_temporary_tablename( +/*================================*/ + mem_heap_t* heap, /*!< in: memory heap */ + char id, /*!< in: identifier [0-9a-zA-Z] */ + const char* table_name) /*!< in: table name */ +{ + char* name; + ulint len; + static const char suffix[] = "@0023 "; /* "# " */ + + len = strlen(table_name); + + name = (char*) mem_heap_alloc(heap, len + sizeof suffix); + memcpy(name, table_name, len); + memcpy(name + len, suffix, sizeof suffix); + name[len + (sizeof suffix - 2)] = id; + + return(name); +} + +/*******************************************************************//** +Create indexes. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::add_index( +/*===================*/ + TABLE* table, /*!< in: Table where indexes are created */ + KEY* key_info, /*!< in: Indexes to be created */ + uint num_of_keys) /*!< in: Number of indexes to be created */ +{ + dict_index_t** index; /*!< Index to be created */ + dict_table_t* innodb_table; /*!< InnoDB table in dictionary */ + dict_table_t* indexed_table; /*!< Table where indexes are created */ + merge_index_def_t* index_defs; /*!< Index definitions */ + mem_heap_t* heap; /*!< Heap for index definitions */ + trx_t* trx; /*!< Transaction */ + ulint num_of_idx; + ulint num_created = 0; + ibool dict_locked = FALSE; + ulint new_primary; + int error; + + DBUG_ENTER("ha_innobase::add_index"); + ut_a(table); + ut_a(key_info); + ut_a(num_of_keys); + + if (srv_created_new_raw || srv_force_recovery) { + DBUG_RETURN(HA_ERR_WRONG_COMMAND); + } + + update_thd(); + + heap = mem_heap_create(1024); + + /* In case MySQL calls this in the middle of a SELECT query, release + possible adaptive hash latch to avoid deadlocks of threads. */ + trx_search_latch_release_if_reserved(prebuilt->trx); + trx_start_if_not_started(prebuilt->trx); + + /* Create a background transaction for the operations on + the data dictionary tables. */ + trx = innobase_trx_allocate(user_thd); + trx_start_if_not_started(trx); + + innodb_table = indexed_table + = dict_table_get(prebuilt->table->name, FALSE); + + if (UNIV_UNLIKELY(!innodb_table)) { + error = HA_ERR_NO_SUCH_TABLE; + goto err_exit; + } + + /* Check if the index name is reserved. */ + if (innobase_index_name_is_reserved(trx, key_info, num_of_keys)) { + error = -1; + } else { + /* Check that index keys are sensible */ + error = innobase_check_index_keys(key_info, num_of_keys, + innodb_table); + } + + if (UNIV_UNLIKELY(error)) { +err_exit: + mem_heap_free(heap); + trx_general_rollback_for_mysql(trx, NULL); + trx_free_for_mysql(trx); + trx_commit_for_mysql(prebuilt->trx); + DBUG_RETURN(error); + } + + /* Create table containing all indexes to be built in this + alter table add index so that they are in the correct order + in the table. */ + + num_of_idx = num_of_keys; + + index_defs = innobase_create_key_def( + trx, innodb_table, heap, key_info, num_of_idx); + + new_primary = DICT_CLUSTERED & index_defs[0].ind_type; + + /* Allocate memory for dictionary index definitions */ + + index = (dict_index_t**) mem_heap_alloc( + heap, num_of_idx * sizeof *index); + + /* Flag this transaction as a dictionary operation, so that + the data dictionary will be locked in crash recovery. */ + trx_set_dict_operation(trx, TRX_DICT_OP_INDEX); + + /* Acquire a lock on the table before creating any indexes. */ + error = row_merge_lock_table(prebuilt->trx, innodb_table, + new_primary ? LOCK_X : LOCK_S); + + if (UNIV_UNLIKELY(error != DB_SUCCESS)) { + + goto error_handling; + } + + /* Latch the InnoDB data dictionary exclusively so that no deadlocks + or lock waits can happen in it during an index create operation. */ + + row_mysql_lock_data_dictionary(trx); + dict_locked = TRUE; + + /* If a new primary key is defined for the table we need + to drop the original table and rebuild all indexes. */ + + if (UNIV_UNLIKELY(new_primary)) { + /* This transaction should be the only one + operating on the table. */ + ut_a(innodb_table->n_mysql_handles_opened == 1); + + char* new_table_name = innobase_create_temporary_tablename( + heap, '1', innodb_table->name); + + /* Clone the table. */ + trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); + indexed_table = row_merge_create_temporary_table( + new_table_name, index_defs, innodb_table, trx); + + if (!indexed_table) { + + switch (trx->error_state) { + case DB_TABLESPACE_ALREADY_EXISTS: + case DB_DUPLICATE_KEY: + innobase_convert_tablename(new_table_name); + my_error(HA_ERR_TABLE_EXIST, MYF(0), + new_table_name); + error = HA_ERR_TABLE_EXIST; + break; + default: + error = convert_error_code_to_mysql( + trx->error_state, innodb_table->flags, + user_thd); + } + + row_mysql_unlock_data_dictionary(trx); + goto err_exit; + } + + trx->table_id = indexed_table->id; + } + + /* Create the indexes in SYS_INDEXES and load into dictionary. */ + + for (ulint i = 0; i < num_of_idx; i++) { + + index[i] = row_merge_create_index(trx, indexed_table, + &index_defs[i]); + + if (!index[i]) { + error = trx->error_state; + goto error_handling; + } + + num_created++; + } + + ut_ad(error == DB_SUCCESS); + + /* We will need to rebuild index translation table. Set + valid index entry count in the translation table to zero */ + share->idx_trans_tbl.index_count = 0; + + /* Commit the data dictionary transaction in order to release + the table locks on the system tables. This means that if + MySQL crashes while creating a new primary key inside + row_merge_build_indexes(), indexed_table will not be dropped + by trx_rollback_active(). It will have to be recovered or + dropped by the database administrator. */ + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + dict_locked = FALSE; + + ut_a(trx->n_active_thrs == 0); + ut_a(UT_LIST_GET_LEN(trx->signals) == 0); + + if (UNIV_UNLIKELY(new_primary)) { + /* A primary key is to be built. Acquire an exclusive + table lock also on the table that is being created. */ + ut_ad(indexed_table != innodb_table); + + error = row_merge_lock_table(prebuilt->trx, indexed_table, + LOCK_X); + + if (UNIV_UNLIKELY(error != DB_SUCCESS)) { + + goto error_handling; + } + } + + /* Read the clustered index of the table and build indexes + based on this information using temporary files and merge sort. */ + error = row_merge_build_indexes(prebuilt->trx, + innodb_table, indexed_table, + index, num_of_idx, table); + +error_handling: + /* After an error, remove all those index definitions from the + dictionary which were defined. */ + + switch (error) { + const char* old_name; + char* tmp_name; + case DB_SUCCESS: + ut_a(!dict_locked); + row_mysql_lock_data_dictionary(trx); + dict_locked = TRUE; + + ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); + + if (!new_primary) { + error = row_merge_rename_indexes(trx, indexed_table); + + if (error != DB_SUCCESS) { + row_merge_drop_indexes(trx, indexed_table, + index, num_created); + } + + goto convert_error; + } + + /* If a new primary key was defined for the table and + there was no error at this point, we can now rename + the old table as a temporary table, rename the new + temporary table as the old table and drop the old table. */ + old_name = innodb_table->name; + tmp_name = innobase_create_temporary_tablename(heap, '2', + old_name); + + error = row_merge_rename_tables(innodb_table, indexed_table, + tmp_name, trx); + + if (error != DB_SUCCESS) { + + row_merge_drop_table(trx, indexed_table); + + switch (error) { + case DB_TABLESPACE_ALREADY_EXISTS: + case DB_DUPLICATE_KEY: + innobase_convert_tablename(tmp_name); + my_error(HA_ERR_TABLE_EXIST, MYF(0), tmp_name); + error = HA_ERR_TABLE_EXIST; + break; + default: + goto convert_error; + } + break; + } + + trx_commit_for_mysql(prebuilt->trx); + row_prebuilt_free(prebuilt, TRUE); + prebuilt = row_create_prebuilt(indexed_table); + + indexed_table->n_mysql_handles_opened++; + + error = row_merge_drop_table(trx, innodb_table); + innodb_table = indexed_table; + goto convert_error; + + case DB_TOO_BIG_RECORD: + my_error(HA_ERR_TO_BIG_ROW, MYF(0)); + goto error; + case DB_PRIMARY_KEY_IS_NULL: + my_error(ER_PRIMARY_CANT_HAVE_NULL, MYF(0)); + /* fall through */ + case DB_DUPLICATE_KEY: +error: + prebuilt->trx->error_info = NULL; + /* fall through */ + default: + if (new_primary) { + if (indexed_table != innodb_table) { + row_merge_drop_table(trx, indexed_table); + } + } else { + if (!dict_locked) { + row_mysql_lock_data_dictionary(trx); + dict_locked = TRUE; + } + + row_merge_drop_indexes(trx, indexed_table, + index, num_created); + } + +convert_error: + error = convert_error_code_to_mysql(error, + innodb_table->flags, + user_thd); + } + + mem_heap_free(heap); + trx_commit_for_mysql(trx); + if (prebuilt->trx) { + trx_commit_for_mysql(prebuilt->trx); + } + + if (dict_locked) { + row_mysql_unlock_data_dictionary(trx); + } + + trx_free_for_mysql(trx); + + /* There might be work for utility threads.*/ + srv_active_wake_master_thread(); + + DBUG_RETURN(error); +} + +/*******************************************************************//** +Prepare to drop some indexes of a table. +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::prepare_drop_index( +/*============================*/ + TABLE* table, /*!< in: Table where indexes are dropped */ + uint* key_num, /*!< in: Key nums to be dropped */ + uint num_of_keys) /*!< in: Number of keys to be dropped */ +{ + trx_t* trx; + int err = 0; + uint n_key; + + DBUG_ENTER("ha_innobase::prepare_drop_index"); + ut_ad(table); + ut_ad(key_num); + ut_ad(num_of_keys); + if (srv_created_new_raw || srv_force_recovery) { + DBUG_RETURN(HA_ERR_WRONG_COMMAND); + } + + update_thd(); + + trx_search_latch_release_if_reserved(prebuilt->trx); + trx = prebuilt->trx; + + /* Test and mark all the indexes to be dropped */ + + row_mysql_lock_data_dictionary(trx); + + /* Check that none of the indexes have previously been flagged + for deletion. */ + { + const dict_index_t* index + = dict_table_get_first_index(prebuilt->table); + do { + ut_a(!index->to_be_dropped); + index = dict_table_get_next_index(index); + } while (index); + } + + for (n_key = 0; n_key < num_of_keys; n_key++) { + const KEY* key; + dict_index_t* index; + + key = table->key_info + key_num[n_key]; + index = dict_table_get_index_on_name_and_min_id( + prebuilt->table, key->name); + + if (!index) { + sql_print_error("InnoDB could not find key n:o %u " + "with name %s for table %s", + key_num[n_key], + key ? key->name : "NULL", + prebuilt->table->name); + + err = HA_ERR_KEY_NOT_FOUND; + goto func_exit; + } + + /* Refuse to drop the clustered index. It would be + better to automatically generate a clustered index, + but mysql_alter_table() will call this method only + after ha_innobase::add_index(). */ + + if (dict_index_is_clust(index)) { + my_error(ER_REQUIRES_PRIMARY_KEY, MYF(0)); + err = -1; + goto func_exit; + } + + index->to_be_dropped = TRUE; + } + + /* If FOREIGN_KEY_CHECK = 1 you may not drop an index defined + for a foreign key constraint because InnoDB requires that both + tables contain indexes for the constraint. Note that CREATE + INDEX id ON table does a CREATE INDEX and DROP INDEX, and we + can ignore here foreign keys because a new index for the + foreign key has already been created. + + We check for the foreign key constraints after marking the + candidate indexes for deletion, because when we check for an + equivalent foreign index we don't want to select an index that + is later deleted. */ + + if (trx->check_foreigns + && thd_sql_command(user_thd) != SQLCOM_CREATE_INDEX) { + dict_index_t* index; + + for (index = dict_table_get_first_index(prebuilt->table); + index; + index = dict_table_get_next_index(index)) { + dict_foreign_t* foreign; + + if (!index->to_be_dropped) { + + continue; + } + + /* Check if the index is referenced. */ + foreign = dict_table_get_referenced_constraint( + prebuilt->table, index); + + if (foreign) { +index_needed: + trx_set_detailed_error( + trx, + "Index needed in foreign key " + "constraint"); + + trx->error_info = index; + + err = HA_ERR_DROP_INDEX_FK; + break; + } else { + /* Check if this index references some + other table */ + foreign = dict_table_get_foreign_constraint( + prebuilt->table, index); + + if (foreign) { + ut_a(foreign->foreign_index == index); + + /* Search for an equivalent index that + the foreign key constraint could use + if this index were to be deleted. */ + if (!dict_foreign_find_equiv_index( + foreign)) { + + goto index_needed; + } + } + } + } + } else if (thd_sql_command(user_thd) == SQLCOM_CREATE_INDEX) { + /* This is a drop of a foreign key constraint index that + was created by MySQL when the constraint was added. MySQL + does this when the user creates an index explicitly which + can be used in place of the automatically generated index. */ + + dict_index_t* index; + + for (index = dict_table_get_first_index(prebuilt->table); + index; + index = dict_table_get_next_index(index)) { + dict_foreign_t* foreign; + + if (!index->to_be_dropped) { + + continue; + } + + /* Check if this index references some other table */ + foreign = dict_table_get_foreign_constraint( + prebuilt->table, index); + + if (foreign == NULL) { + + continue; + } + + ut_a(foreign->foreign_index == index); + + /* Search for an equivalent index that the + foreign key constraint could use if this index + were to be deleted. */ + + if (!dict_foreign_find_equiv_index(foreign)) { + trx_set_detailed_error( + trx, + "Index needed in foreign key " + "constraint"); + + trx->error_info = foreign->foreign_index; + + err = HA_ERR_DROP_INDEX_FK; + break; + } + } + } + +func_exit: + if (err) { + /* Undo our changes since there was some sort of error. */ + dict_index_t* index + = dict_table_get_first_index(prebuilt->table); + + do { + index->to_be_dropped = FALSE; + index = dict_table_get_next_index(index); + } while (index); + } + + row_mysql_unlock_data_dictionary(trx); + + DBUG_RETURN(err); +} + +/*******************************************************************//** +Drop the indexes that were passed to a successful prepare_drop_index(). +@return 0 or error number */ +UNIV_INTERN +int +ha_innobase::final_drop_index( +/*==========================*/ + TABLE* table) /*!< in: Table where indexes are dropped */ +{ + dict_index_t* index; /*!< Index to be dropped */ + trx_t* trx; /*!< Transaction */ + int err; + + DBUG_ENTER("ha_innobase::final_drop_index"); + ut_ad(table); + + if (srv_created_new_raw || srv_force_recovery) { + DBUG_RETURN(HA_ERR_WRONG_COMMAND); + } + + update_thd(); + + trx_search_latch_release_if_reserved(prebuilt->trx); + trx_start_if_not_started(prebuilt->trx); + + /* Create a background transaction for the operations on + the data dictionary tables. */ + trx = innobase_trx_allocate(user_thd); + trx_start_if_not_started(trx); + + /* Flag this transaction as a dictionary operation, so that + the data dictionary will be locked in crash recovery. */ + trx_set_dict_operation(trx, TRX_DICT_OP_INDEX); + + /* Lock the table exclusively, to ensure that no active + transaction depends on an index that is being dropped. */ + err = convert_error_code_to_mysql( + row_merge_lock_table(prebuilt->trx, prebuilt->table, LOCK_X), + prebuilt->table->flags, user_thd); + + row_mysql_lock_data_dictionary(trx); + + if (UNIV_UNLIKELY(err)) { + + /* Unmark the indexes to be dropped. */ + for (index = dict_table_get_first_index(prebuilt->table); + index; index = dict_table_get_next_index(index)) { + + index->to_be_dropped = FALSE; + } + + goto func_exit; + } + + /* Drop indexes marked to be dropped */ + + index = dict_table_get_first_index(prebuilt->table); + + while (index) { + dict_index_t* next_index; + + next_index = dict_table_get_next_index(index); + + if (index->to_be_dropped) { + + row_merge_drop_index(index, prebuilt->table, trx); + } + + index = next_index; + } + + /* Check that all flagged indexes were dropped. */ + for (index = dict_table_get_first_index(prebuilt->table); + index; index = dict_table_get_next_index(index)) { + ut_a(!index->to_be_dropped); + } + + /* We will need to rebuild index translation table. Set + valid index entry count in the translation table to zero */ + share->idx_trans_tbl.index_count = 0; + + ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); + +func_exit: + trx_commit_for_mysql(trx); + trx_commit_for_mysql(prebuilt->trx); + row_mysql_unlock_data_dictionary(trx); + + /* Flush the log to reduce probability that the .frm files and + the InnoDB data dictionary get out-of-sync if the user runs + with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + + trx_free_for_mysql(trx); + + /* Tell the InnoDB server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + DBUG_RETURN(err); +} diff --git a/perfschema/handler/i_s.cc b/perfschema/handler/i_s.cc new file mode 100644 index 00000000000..524fe696de2 --- /dev/null +++ b/perfschema/handler/i_s.cc @@ -0,0 +1,1578 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file handler/i_s.cc +InnoDB INFORMATION SCHEMA tables interface to MySQL. + +Created July 18, 2007 Vasil Dimov +*******************************************************/ + +#include +#include + +#include +#include +#include +#include +#include +#include "i_s.h" +#include + +extern "C" { +#include "trx0i_s.h" +#include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */ +#include "buf0buddy.h" /* for i_s_cmpmem */ +#include "buf0buf.h" /* for buf_pool and PAGE_ZIP_MIN_SIZE */ +#include "ha_prototypes.h" /* for innobase_convert_name() */ +#include "srv0start.h" /* for srv_was_started */ +} + +static const char plugin_author[] = "Innobase Oy"; + +#define OK(expr) \ + if ((expr) != 0) { \ + DBUG_RETURN(1); \ + } + +#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \ +do { \ + if (!srv_was_started) { \ + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, \ + ER_CANT_FIND_SYSTEM_REC, \ + "InnoDB: SELECTing from " \ + "INFORMATION_SCHEMA.%s but " \ + "the InnoDB storage engine " \ + "is not installed", plugin_name); \ + DBUG_RETURN(0); \ + } \ +} while (0) + +#if !defined __STRICT_ANSI__ && defined __GNUC__ && (__GNUC__) > 2 && !defined __INTEL_COMPILER +#define STRUCT_FLD(name, value) name: value +#else +#define STRUCT_FLD(name, value) value +#endif + +/* Don't use a static const variable here, as some C++ compilers (notably +HPUX aCC: HP ANSI C++ B3910B A.03.65) can't handle it. */ +#define END_OF_ST_FIELD_INFO \ + {STRUCT_FLD(field_name, NULL), \ + STRUCT_FLD(field_length, 0), \ + STRUCT_FLD(field_type, MYSQL_TYPE_NULL), \ + STRUCT_FLD(value, 0), \ + STRUCT_FLD(field_flags, 0), \ + STRUCT_FLD(old_name, ""), \ + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)} + +/* +Use the following types mapping: + +C type ST_FIELD_INFO::field_type +--------------------------------- +long MYSQL_TYPE_LONGLONG +(field_length=MY_INT64_NUM_DECIMAL_DIGITS) + +long unsigned MYSQL_TYPE_LONGLONG +(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED) + +char* MYSQL_TYPE_STRING +(field_length=n) + +float MYSQL_TYPE_FLOAT +(field_length=0 is ignored) + +void* MYSQL_TYPE_LONGLONG +(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED) + +boolean (if else) MYSQL_TYPE_LONG +(field_length=1) + +time_t MYSQL_TYPE_DATETIME +(field_length=0 ignored) +--------------------------------- +*/ + +/* XXX these are defined in mysql_priv.h inside #ifdef MYSQL_SERVER */ +bool schema_table_store_record(THD *thd, TABLE *table); +void localtime_to_TIME(MYSQL_TIME *to, struct tm *from); +bool check_global_access(THD *thd, ulong want_access); + +/*******************************************************************//** +Common function to fill any of the dynamic tables: +INFORMATION_SCHEMA.innodb_trx +INFORMATION_SCHEMA.innodb_locks +INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ +static +int +trx_i_s_common_fill_table( +/*======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond); /*!< in: condition (not used) */ + +/*******************************************************************//** +Unbind a dynamic INFORMATION_SCHEMA table. +@return 0 on success */ +static +int +i_s_common_deinit( +/*==============*/ + void* p); /*!< in/out: table schema object */ + +/*******************************************************************//** +Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME +field. +@return 0 on success */ +static +int +field_store_time_t( +/*===============*/ + Field* field, /*!< in/out: target field for storage */ + time_t time) /*!< in: value to store */ +{ + MYSQL_TIME my_time; + struct tm tm_time; + +#if 0 + /* use this if you are sure that `variables' and `time_zone' + are always initialized */ + thd->variables.time_zone->gmt_sec_to_TIME( + &my_time, (my_time_t) time); +#else + localtime_r(&time, &tm_time); + localtime_to_TIME(&my_time, &tm_time); + my_time.time_type = MYSQL_TIMESTAMP_DATETIME; +#endif + + return(field->store_time(&my_time, MYSQL_TIMESTAMP_DATETIME)); +} + +/*******************************************************************//** +Auxiliary function to store char* value in MYSQL_TYPE_STRING field. +@return 0 on success */ +static +int +field_store_string( +/*===============*/ + Field* field, /*!< in/out: target field for storage */ + const char* str) /*!< in: NUL-terminated utf-8 string, + or NULL */ +{ + int ret; + + if (str != NULL) { + + ret = field->store(str, strlen(str), + system_charset_info); + field->set_notnull(); + } else { + + ret = 0; /* success */ + field->set_null(); + } + + return(ret); +} + +/*******************************************************************//** +Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field. +If the value is ULINT_UNDEFINED then the field it set to NULL. +@return 0 on success */ +static +int +field_store_ulint( +/*==============*/ + Field* field, /*!< in/out: target field for storage */ + ulint n) /*!< in: value to store */ +{ + int ret; + + if (n != ULINT_UNDEFINED) { + + ret = field->store(n); + field->set_notnull(); + } else { + + ret = 0; /* success */ + field->set_null(); + } + + return(ret); +} + +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_trx */ +static ST_FIELD_INFO innodb_trx_fields_info[] = +{ +#define IDX_TRX_ID 0 + {STRUCT_FLD(field_name, "trx_id"), + STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_STATE 1 + {STRUCT_FLD(field_name, "trx_state"), + STRUCT_FLD(field_length, TRX_QUE_STATE_STR_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_STARTED 2 + {STRUCT_FLD(field_name, "trx_started"), + STRUCT_FLD(field_length, 0), + STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_REQUESTED_LOCK_ID 3 + {STRUCT_FLD(field_name, "trx_requested_lock_id"), + STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_WAIT_STARTED 4 + {STRUCT_FLD(field_name, "trx_wait_started"), + STRUCT_FLD(field_length, 0), + STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_WEIGHT 5 + {STRUCT_FLD(field_name, "trx_weight"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_MYSQL_THREAD_ID 6 + {STRUCT_FLD(field_name, "trx_mysql_thread_id"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_QUERY 7 + {STRUCT_FLD(field_name, "trx_query"), + STRUCT_FLD(field_length, TRX_I_S_TRX_QUERY_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/*******************************************************************//** +Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_trx +table with it. +@return 0 on success */ +static +int +fill_innodb_trx_from_cache( +/*=======================*/ + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: used to call + schema_table_store_record() */ + TABLE* table) /*!< in/out: fill this table */ +{ + Field** fields; + ulint rows_num; + char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; + ulint i; + + DBUG_ENTER("fill_innodb_trx_from_cache"); + + fields = table->field; + + rows_num = trx_i_s_cache_get_rows_used(cache, + I_S_INNODB_TRX); + + for (i = 0; i < rows_num; i++) { + + i_s_trx_row_t* row; + char trx_id[TRX_ID_MAX_LEN + 1]; + + row = (i_s_trx_row_t*) + trx_i_s_cache_get_nth_row( + cache, I_S_INNODB_TRX, i); + + /* trx_id */ + ut_snprintf(trx_id, sizeof(trx_id), TRX_ID_FMT, row->trx_id); + OK(field_store_string(fields[IDX_TRX_ID], trx_id)); + + /* trx_state */ + OK(field_store_string(fields[IDX_TRX_STATE], + row->trx_state)); + + /* trx_started */ + OK(field_store_time_t(fields[IDX_TRX_STARTED], + (time_t) row->trx_started)); + + /* trx_requested_lock_id */ + /* trx_wait_started */ + if (row->trx_wait_started != 0) { + + OK(field_store_string( + fields[IDX_TRX_REQUESTED_LOCK_ID], + trx_i_s_create_lock_id( + row->requested_lock_row, + lock_id, sizeof(lock_id)))); + /* field_store_string() sets it no notnull */ + + OK(field_store_time_t( + fields[IDX_TRX_WAIT_STARTED], + (time_t) row->trx_wait_started)); + fields[IDX_TRX_WAIT_STARTED]->set_notnull(); + } else { + + fields[IDX_TRX_REQUESTED_LOCK_ID]->set_null(); + fields[IDX_TRX_WAIT_STARTED]->set_null(); + } + + /* trx_weight */ + OK(fields[IDX_TRX_WEIGHT]->store((longlong) row->trx_weight, + true)); + + /* trx_mysql_thread_id */ + OK(fields[IDX_TRX_MYSQL_THREAD_ID]->store( + row->trx_mysql_thread_id)); + + /* trx_query */ + OK(field_store_string(fields[IDX_TRX_QUERY], + row->trx_query)); + + OK(schema_table_store_record(thd, table)); + } + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_trx +@return 0 on success */ +static +int +innodb_trx_init( +/*============*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_trx_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_trx_fields_info; + schema->fill_table = trx_i_s_common_fill_table; + + DBUG_RETURN(0); +} + +static struct st_mysql_information_schema i_s_info = +{ + MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION +}; + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_trx = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_TRX"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB transactions"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_trx_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_locks */ +static ST_FIELD_INFO innodb_locks_fields_info[] = +{ +#define IDX_LOCK_ID 0 + {STRUCT_FLD(field_name, "lock_id"), + STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_TRX_ID 1 + {STRUCT_FLD(field_name, "lock_trx_id"), + STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_MODE 2 + {STRUCT_FLD(field_name, "lock_mode"), + /* S[,GAP] X[,GAP] IS[,GAP] IX[,GAP] AUTO_INC UNKNOWN */ + STRUCT_FLD(field_length, 32), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_TYPE 3 + {STRUCT_FLD(field_name, "lock_type"), + STRUCT_FLD(field_length, 32 /* RECORD|TABLE|UNKNOWN */), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_TABLE 4 + {STRUCT_FLD(field_name, "lock_table"), + STRUCT_FLD(field_length, 1024), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_INDEX 5 + {STRUCT_FLD(field_name, "lock_index"), + STRUCT_FLD(field_length, 1024), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_SPACE 6 + {STRUCT_FLD(field_name, "lock_space"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_PAGE 7 + {STRUCT_FLD(field_name, "lock_page"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_REC 8 + {STRUCT_FLD(field_name, "lock_rec"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_LOCK_DATA 9 + {STRUCT_FLD(field_name, "lock_data"), + STRUCT_FLD(field_length, TRX_I_S_LOCK_DATA_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/*******************************************************************//** +Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_locks +table with it. +@return 0 on success */ +static +int +fill_innodb_locks_from_cache( +/*=========================*/ + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: MySQL client connection */ + TABLE* table) /*!< in/out: fill this table */ +{ + Field** fields; + ulint rows_num; + char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; + ulint i; + + DBUG_ENTER("fill_innodb_locks_from_cache"); + + fields = table->field; + + rows_num = trx_i_s_cache_get_rows_used(cache, + I_S_INNODB_LOCKS); + + for (i = 0; i < rows_num; i++) { + + i_s_locks_row_t* row; + + /* note that the decoded database or table name is + never expected to be longer than NAME_LEN; + NAME_LEN for database name + 2 for surrounding quotes around database name + NAME_LEN for table name + 2 for surrounding quotes around table name + 1 for the separating dot (.) + 9 for the #mysql50# prefix */ + char buf[2 * NAME_LEN + 14]; + const char* bufend; + + char lock_trx_id[TRX_ID_MAX_LEN + 1]; + + row = (i_s_locks_row_t*) + trx_i_s_cache_get_nth_row( + cache, I_S_INNODB_LOCKS, i); + + /* lock_id */ + trx_i_s_create_lock_id(row, lock_id, sizeof(lock_id)); + OK(field_store_string(fields[IDX_LOCK_ID], + lock_id)); + + /* lock_trx_id */ + ut_snprintf(lock_trx_id, sizeof(lock_trx_id), + TRX_ID_FMT, row->lock_trx_id); + OK(field_store_string(fields[IDX_LOCK_TRX_ID], lock_trx_id)); + + /* lock_mode */ + OK(field_store_string(fields[IDX_LOCK_MODE], + row->lock_mode)); + + /* lock_type */ + OK(field_store_string(fields[IDX_LOCK_TYPE], + row->lock_type)); + + /* lock_table */ + bufend = innobase_convert_name(buf, sizeof(buf), + row->lock_table, + strlen(row->lock_table), + thd, TRUE); + OK(fields[IDX_LOCK_TABLE]->store(buf, bufend - buf, + system_charset_info)); + + /* lock_index */ + if (row->lock_index != NULL) { + + bufend = innobase_convert_name(buf, sizeof(buf), + row->lock_index, + strlen(row->lock_index), + thd, FALSE); + OK(fields[IDX_LOCK_INDEX]->store(buf, bufend - buf, + system_charset_info)); + fields[IDX_LOCK_INDEX]->set_notnull(); + } else { + + fields[IDX_LOCK_INDEX]->set_null(); + } + + /* lock_space */ + OK(field_store_ulint(fields[IDX_LOCK_SPACE], + row->lock_space)); + + /* lock_page */ + OK(field_store_ulint(fields[IDX_LOCK_PAGE], + row->lock_page)); + + /* lock_rec */ + OK(field_store_ulint(fields[IDX_LOCK_REC], + row->lock_rec)); + + /* lock_data */ + OK(field_store_string(fields[IDX_LOCK_DATA], + row->lock_data)); + + OK(schema_table_store_record(thd, table)); + } + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_locks +@return 0 on success */ +static +int +innodb_locks_init( +/*==============*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_locks_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_locks_fields_info; + schema->fill_table = trx_i_s_common_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_locks = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_LOCKS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB conflicting locks"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_locks_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_lock_waits */ +static ST_FIELD_INFO innodb_lock_waits_fields_info[] = +{ +#define IDX_REQUESTING_TRX_ID 0 + {STRUCT_FLD(field_name, "requesting_trx_id"), + STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_REQUESTED_LOCK_ID 1 + {STRUCT_FLD(field_name, "requested_lock_id"), + STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_BLOCKING_TRX_ID 2 + {STRUCT_FLD(field_name, "blocking_trx_id"), + STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_BLOCKING_LOCK_ID 3 + {STRUCT_FLD(field_name, "blocking_lock_id"), + STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/*******************************************************************//** +Read data from cache buffer and fill the +INFORMATION_SCHEMA.innodb_lock_waits table with it. +@return 0 on success */ +static +int +fill_innodb_lock_waits_from_cache( +/*==============================*/ + trx_i_s_cache_t* cache, /*!< in: cache to read from */ + THD* thd, /*!< in: used to call + schema_table_store_record() */ + TABLE* table) /*!< in/out: fill this table */ +{ + Field** fields; + ulint rows_num; + char requested_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; + char blocking_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; + ulint i; + + DBUG_ENTER("fill_innodb_lock_waits_from_cache"); + + fields = table->field; + + rows_num = trx_i_s_cache_get_rows_used(cache, + I_S_INNODB_LOCK_WAITS); + + for (i = 0; i < rows_num; i++) { + + i_s_lock_waits_row_t* row; + + char requesting_trx_id[TRX_ID_MAX_LEN + 1]; + char blocking_trx_id[TRX_ID_MAX_LEN + 1]; + + row = (i_s_lock_waits_row_t*) + trx_i_s_cache_get_nth_row( + cache, I_S_INNODB_LOCK_WAITS, i); + + /* requesting_trx_id */ + ut_snprintf(requesting_trx_id, sizeof(requesting_trx_id), + TRX_ID_FMT, row->requested_lock_row->lock_trx_id); + OK(field_store_string(fields[IDX_REQUESTING_TRX_ID], + requesting_trx_id)); + + /* requested_lock_id */ + OK(field_store_string( + fields[IDX_REQUESTED_LOCK_ID], + trx_i_s_create_lock_id( + row->requested_lock_row, + requested_lock_id, + sizeof(requested_lock_id)))); + + /* blocking_trx_id */ + ut_snprintf(blocking_trx_id, sizeof(blocking_trx_id), + TRX_ID_FMT, row->blocking_lock_row->lock_trx_id); + OK(field_store_string(fields[IDX_BLOCKING_TRX_ID], + blocking_trx_id)); + + /* blocking_lock_id */ + OK(field_store_string( + fields[IDX_BLOCKING_LOCK_ID], + trx_i_s_create_lock_id( + row->blocking_lock_row, + blocking_lock_id, + sizeof(blocking_lock_id)))); + + OK(schema_table_store_record(thd, table)); + } + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ +static +int +innodb_lock_waits_init( +/*===================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_lock_waits_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_lock_waits_fields_info; + schema->fill_table = trx_i_s_common_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_LOCK_WAITS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, "Innobase Oy"), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB which lock is blocking which"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_lock_waits_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/*******************************************************************//** +Common function to fill any of the dynamic tables: +INFORMATION_SCHEMA.innodb_trx +INFORMATION_SCHEMA.innodb_locks +INFORMATION_SCHEMA.innodb_lock_waits +@return 0 on success */ +static +int +trx_i_s_common_fill_table( +/*======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + const char* table_name; + int ret; + trx_i_s_cache_t* cache; + + DBUG_ENTER("trx_i_s_common_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + /* minimize the number of places where global variables are + referenced */ + cache = trx_i_s_cache; + + /* which table we have to fill? */ + table_name = tables->schema_table_name; + /* or table_name = tables->schema_table->table_name; */ + + RETURN_IF_INNODB_NOT_STARTED(table_name); + + /* update the cache */ + trx_i_s_cache_start_write(cache); + trx_i_s_possibly_fetch_data_into_cache(cache); + trx_i_s_cache_end_write(cache); + + if (trx_i_s_cache_is_truncated(cache)) { + + /* XXX show warning to user if possible */ + fprintf(stderr, "Warning: data in %s truncated due to " + "memory limit of %d bytes\n", table_name, + TRX_I_S_MEM_LIMIT); + } + + ret = 0; + + trx_i_s_cache_start_read(cache); + + if (innobase_strcasecmp(table_name, "innodb_trx") == 0) { + + if (fill_innodb_trx_from_cache( + cache, thd, tables->table) != 0) { + + ret = 1; + } + + } else if (innobase_strcasecmp(table_name, "innodb_locks") == 0) { + + if (fill_innodb_locks_from_cache( + cache, thd, tables->table) != 0) { + + ret = 1; + } + + } else if (innobase_strcasecmp(table_name, "innodb_lock_waits") == 0) { + + if (fill_innodb_lock_waits_from_cache( + cache, thd, tables->table) != 0) { + + ret = 1; + } + + } else { + + /* huh! what happened!? */ + fprintf(stderr, + "InnoDB: trx_i_s_common_fill_table() was " + "called to fill unknown table: %s.\n" + "This function only knows how to fill " + "innodb_trx, innodb_locks and " + "innodb_lock_waits tables.\n", table_name); + + ret = 1; + } + + trx_i_s_cache_end_read(cache); + +#if 0 + DBUG_RETURN(ret); +#else + /* if this function returns something else than 0 then a + deadlock occurs between the mysqld server and mysql client, + see http://bugs.mysql.com/29900 ; when that bug is resolved + we can enable the DBUG_RETURN(ret) above */ + DBUG_RETURN(0); +#endif +} + +/* Fields of the dynamic table information_schema.innodb_cmp. */ +static ST_FIELD_INFO i_s_cmp_fields_info[] = +{ + {STRUCT_FLD(field_name, "page_size"), + STRUCT_FLD(field_length, 5), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Compressed Page Size"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "compress_ops"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Number of Compressions"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "compress_ops_ok"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Number of" + " Successful Compressions"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "compress_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Compressions," + " in Seconds"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "uncompress_ops"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Number of Decompressions"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "uncompress_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Decompressions," + " in Seconds"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmp or +innodb_cmp_reset. +@return 0 on success, 1 on failure */ +static +int +i_s_cmp_fill_low( +/*=============*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond, /*!< in: condition (ignored) */ + ibool reset) /*!< in: TRUE=reset cumulated counts */ +{ + TABLE* table = (TABLE *) tables->table; + int status = 0; + + DBUG_ENTER("i_s_cmp_fill_low"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); + + for (uint i = 0; i < PAGE_ZIP_NUM_SSIZE - 1; i++) { + page_zip_stat_t* zip_stat = &page_zip_stat[i]; + + table->field[0]->store(PAGE_ZIP_MIN_SIZE << i); + + /* The cumulated counts are not protected by any + mutex. Thus, some operation in page0zip.c could + increment a counter between the time we read it and + clear it. We could introduce mutex protection, but it + could cause a measureable performance hit in + page0zip.c. */ + table->field[1]->store(zip_stat->compressed); + table->field[2]->store(zip_stat->compressed_ok); + table->field[3]->store( + (ulong) (zip_stat->compressed_usec / 1000000)); + table->field[4]->store(zip_stat->decompressed); + table->field[5]->store( + (ulong) (zip_stat->decompressed_usec / 1000000)); + + if (reset) { + memset(zip_stat, 0, sizeof *zip_stat); + } + + if (schema_table_store_record(thd, table)) { + status = 1; + break; + } + } + + DBUG_RETURN(status); +} + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmp. +@return 0 on success, 1 on failure */ +static +int +i_s_cmp_fill( +/*=========*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ +{ + return(i_s_cmp_fill_low(thd, tables, cond, FALSE)); +} + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmp_reset. +@return 0 on success, 1 on failure */ +static +int +i_s_cmp_reset_fill( +/*===============*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ +{ + return(i_s_cmp_fill_low(thd, tables, cond, TRUE)); +} + +/*******************************************************************//** +Bind the dynamic table information_schema.innodb_cmp. +@return 0 on success */ +static +int +i_s_cmp_init( +/*=========*/ + void* p) /*!< in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmp_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmp_fields_info; + schema->fill_table = i_s_cmp_fill; + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table information_schema.innodb_cmp_reset. +@return 0 on success */ +static +int +i_s_cmp_reset_init( +/*===============*/ + void* p) /*!< in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmp_reset_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmp_fields_info; + schema->fill_table = i_s_cmp_reset_fill; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMP"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compression"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmp_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp_reset = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMP_RESET"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compression;" + " reset cumulated counts"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmp_reset_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table information_schema.innodb_cmpmem. */ +static ST_FIELD_INFO i_s_cmpmem_fields_info[] = +{ + {STRUCT_FLD(field_name, "page_size"), + STRUCT_FLD(field_length, 5), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Buddy Block Size"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "pages_used"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently in Use"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "pages_free"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Currently Available"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "relocation_ops"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Number of Relocations"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + {STRUCT_FLD(field_name, "relocation_time"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Total Duration of Relocations," + " in Seconds"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmpmem or +innodb_cmpmem_reset. +@return 0 on success, 1 on failure */ +static +int +i_s_cmpmem_fill_low( +/*================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond, /*!< in: condition (ignored) */ + ibool reset) /*!< in: TRUE=reset cumulated counts */ +{ + TABLE* table = (TABLE *) tables->table; + int status = 0; + + DBUG_ENTER("i_s_cmpmem_fill_low"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); + + buf_pool_mutex_enter(); + + for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { + buf_buddy_stat_t* buddy_stat = &buf_buddy_stat[x]; + + table->field[0]->store(BUF_BUDDY_LOW << x); + table->field[1]->store(buddy_stat->used); + table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) + ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) + : 0); + table->field[3]->store((longlong) buddy_stat->relocated, true); + table->field[4]->store( + (ulong) (buddy_stat->relocated_usec / 1000000)); + + if (reset) { + /* This is protected by buf_pool_mutex. */ + buddy_stat->relocated = 0; + buddy_stat->relocated_usec = 0; + } + + if (schema_table_store_record(thd, table)) { + status = 1; + break; + } + } + + buf_pool_mutex_exit(); + DBUG_RETURN(status); +} + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmpmem. +@return 0 on success, 1 on failure */ +static +int +i_s_cmpmem_fill( +/*============*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ +{ + return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE)); +} + +/*******************************************************************//** +Fill the dynamic table information_schema.innodb_cmpmem_reset. +@return 0 on success, 1 on failure */ +static +int +i_s_cmpmem_reset_fill( +/*==================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (ignored) */ +{ + return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE)); +} + +/*******************************************************************//** +Bind the dynamic table information_schema.innodb_cmpmem. +@return 0 on success */ +static +int +i_s_cmpmem_init( +/*============*/ + void* p) /*!< in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmpmem_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmpmem_fields_info; + schema->fill_table = i_s_cmpmem_fill; + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table information_schema.innodb_cmpmem_reset. +@return 0 on success */ +static +int +i_s_cmpmem_reset_init( +/*==================*/ + void* p) /*!< in/out: table schema object */ +{ + DBUG_ENTER("i_s_cmpmem_reset_init"); + ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = i_s_cmpmem_fields_info; + schema->fill_table = i_s_cmpmem_reset_fill; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMPMEM"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmpmem_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_CMPMEM_RESET"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool;" + " reset cumulated counts"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, i_s_cmpmem_reset_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/*******************************************************************//** +Unbind a dynamic INFORMATION_SCHEMA table. +@return 0 on success */ +static +int +i_s_common_deinit( +/*==============*/ + void* p) /*!< in/out: table schema object */ +{ + DBUG_ENTER("i_s_common_deinit"); + + /* Do nothing */ + + DBUG_RETURN(0); +} diff --git a/perfschema/handler/i_s.h b/perfschema/handler/i_s.h new file mode 100644 index 00000000000..402c88bbedb --- /dev/null +++ b/perfschema/handler/i_s.h @@ -0,0 +1,37 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file handler/i_s.h +InnoDB INFORMATION SCHEMA tables interface to MySQL. + +Created July 18, 2007 Vasil Dimov +*******************************************************/ + +#ifndef i_s_h +#define i_s_h + +extern struct st_mysql_plugin i_s_innodb_trx; +extern struct st_mysql_plugin i_s_innodb_locks; +extern struct st_mysql_plugin i_s_innodb_lock_waits; +extern struct st_mysql_plugin i_s_innodb_cmp; +extern struct st_mysql_plugin i_s_innodb_cmp_reset; +extern struct st_mysql_plugin i_s_innodb_cmpmem; +extern struct st_mysql_plugin i_s_innodb_cmpmem_reset; + +#endif /* i_s_h */ diff --git a/perfschema/handler/mysql_addons.cc b/perfschema/handler/mysql_addons.cc new file mode 100644 index 00000000000..eae1fe9fbc2 --- /dev/null +++ b/perfschema/handler/mysql_addons.cc @@ -0,0 +1,42 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file handler/mysql_addons.cc +This file contains functions that need to be added to +MySQL code but have not been added yet. + +Whenever you add a function here submit a MySQL bug +report (feature request) with the implementation. Then +write the bug number in the comment before the +function in this file. + +When MySQL commits the function it can be deleted from +here. In a perfect world this file exists but is empty. + +Created November 07, 2007 Vasil Dimov +*******************************************************/ + +#ifndef MYSQL_SERVER +#define MYSQL_SERVER +#endif /* MYSQL_SERVER */ + +#include + +#include "mysql_addons.h" +#include "univ.i" diff --git a/perfschema/ibuf/ibuf0ibuf.c b/perfschema/ibuf/ibuf0ibuf.c new file mode 100644 index 00000000000..cd19ea22bb3 --- /dev/null +++ b/perfschema/ibuf/ibuf0ibuf.c @@ -0,0 +1,4690 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file ibuf/ibuf0ibuf.c +Insert buffer + +Created 7/19/1997 Heikki Tuuri +*******************************************************/ + +#include "ibuf0ibuf.h" + +/** Number of bits describing a single page */ +#define IBUF_BITS_PER_PAGE 4 +#if IBUF_BITS_PER_PAGE % 2 +# error "IBUF_BITS_PER_PAGE must be an even number!" +#endif +/** The start address for an insert buffer bitmap page bitmap */ +#define IBUF_BITMAP PAGE_DATA + +#ifdef UNIV_NONINL +#include "ibuf0ibuf.ic" +#endif + +#ifndef UNIV_HOTBACKUP + +#include "buf0buf.h" +#include "buf0rea.h" +#include "fsp0fsp.h" +#include "trx0sys.h" +#include "fil0fil.h" +#include "thr0loc.h" +#include "rem0rec.h" +#include "btr0cur.h" +#include "btr0pcur.h" +#include "btr0btr.h" +#include "sync0sync.h" +#include "dict0boot.h" +#include "fut0lst.h" +#include "lock0lock.h" +#include "log0recv.h" +#include "que0que.h" + +/* STRUCTURE OF AN INSERT BUFFER RECORD + +In versions < 4.1.x: + +1. The first field is the page number. +2. The second field is an array which stores type info for each subsequent + field. We store the information which affects the ordering of records, and + also the physical storage size of an SQL NULL value. E.g., for CHAR(10) it + is 10 bytes. +3. Next we have the fields of the actual index record. + +In versions >= 4.1.x: + +Note that contary to what we planned in the 1990's, there will only be one +insert buffer tree, and that is in the system tablespace of InnoDB. + +1. The first field is the space id. +2. The second field is a one-byte marker (0) which differentiates records from + the < 4.1.x storage format. +3. The third field is the page number. +4. The fourth field contains the type info, where we have also added 2 bytes to + store the charset. In the compressed table format of 5.0.x we must add more + information here so that we can build a dummy 'index' struct which 5.0.x + can use in the binary search on the index page in the ibuf merge phase. +5. The rest of the fields contain the fields of the actual index record. + +In versions >= 5.0.3: + +The first byte of the fourth field is an additional marker (0) if the record +is in the compact format. The presence of this marker can be detected by +looking at the length of the field modulo DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE. + +The high-order bit of the character set field in the type info is the +"nullable" flag for the field. + +In versions >= InnoDB+ plugin: + +The optional marker byte at the start of the fourth field is replaced by +mandatory 3 fields, totaling 4 bytes: + + 1. 2 bytes: Counter field, used to sort records within a (space id, page + no) in the order they were added. This is needed so that for example the + sequence of operations "INSERT x, DEL MARK x, INSERT x" is handled + correctly. + + 2. 1 byte: Operation type (see ibuf_op_t). + + 3. 1 byte: Flags. Currently only one flag exists, IBUF_REC_COMPACT. + +To ensure older records, which do not have counters to enforce correct +sorting, are merged before any new records, ibuf_insert checks if we're +trying to insert to a position that contains old-style records, and if so, +refuses the insert. Thus, ibuf pages are gradually converted to the new +format as their corresponding buffer pool pages are read into memory. +*/ + + +/* PREVENTING DEADLOCKS IN THE INSERT BUFFER SYSTEM + +If an OS thread performs any operation that brings in disk pages from +non-system tablespaces into the buffer pool, or creates such a page there, +then the operation may have as a side effect an insert buffer index tree +compression. Thus, the tree latch of the insert buffer tree may be acquired +in the x-mode, and also the file space latch of the system tablespace may +be acquired in the x-mode. + +Also, an insert to an index in a non-system tablespace can have the same +effect. How do we know this cannot lead to a deadlock of OS threads? There +is a problem with the i\o-handler threads: they break the latching order +because they own x-latches to pages which are on a lower level than the +insert buffer tree latch, its page latches, and the tablespace latch an +insert buffer operation can reserve. + +The solution is the following: Let all the tree and page latches connected +with the insert buffer be later in the latching order than the fsp latch and +fsp page latches. + +Insert buffer pages must be such that the insert buffer is never invoked +when these pages are accessed as this would result in a recursion violating +the latching order. We let a special i/o-handler thread take care of i/o to +the insert buffer pages and the ibuf bitmap pages, as well as the fsp bitmap +pages and the first inode page, which contains the inode of the ibuf tree: let +us call all these ibuf pages. To prevent deadlocks, we do not let a read-ahead +access both non-ibuf and ibuf pages. + +Then an i/o-handler for the insert buffer never needs to access recursively the +insert buffer tree and thus obeys the latching order. On the other hand, other +i/o-handlers for other tablespaces may require access to the insert buffer, +but because all kinds of latches they need to access there are later in the +latching order, no violation of the latching order occurs in this case, +either. + +A problem is how to grow and contract an insert buffer tree. As it is later +in the latching order than the fsp management, we have to reserve the fsp +latch first, before adding or removing pages from the insert buffer tree. +We let the insert buffer tree have its own file space management: a free +list of pages linked to the tree root. To prevent recursive using of the +insert buffer when adding pages to the tree, we must first load these pages +to memory, obtaining a latch on them, and only after that add them to the +free list of the insert buffer tree. More difficult is removing of pages +from the free list. If there is an excess of pages in the free list of the +ibuf tree, they might be needed if some thread reserves the fsp latch, +intending to allocate more file space. So we do the following: if a thread +reserves the fsp latch, we check the writer count field of the latch. If +this field has value 1, it means that the thread did not own the latch +before entering the fsp system, and the mtr of the thread contains no +modifications to the fsp pages. Now we are free to reserve the ibuf latch, +and check if there is an excess of pages in the free list. We can then, in a +separate mini-transaction, take them out of the free list and free them to +the fsp system. + +To avoid deadlocks in the ibuf system, we divide file pages into three levels: + +(1) non-ibuf pages, +(2) ibuf tree pages and the pages in the ibuf tree free list, and +(3) ibuf bitmap pages. + +No OS thread is allowed to access higher level pages if it has latches to +lower level pages; even if the thread owns a B-tree latch it must not access +the B-tree non-leaf pages if it has latches on lower level pages. Read-ahead +is only allowed for level 1 and 2 pages. Dedicated i/o-handler threads handle +exclusively level 1 i/o. A dedicated i/o handler thread handles exclusively +level 2 i/o. However, if an OS thread does the i/o handling for itself, i.e., +it uses synchronous aio, it can access any pages, as long as it obeys the +access order rules. */ + +/** Buffer pool size per the maximum insert buffer size */ +#define IBUF_POOL_SIZE_PER_MAX_SIZE 2 + +/** Table name for the insert buffer. */ +#define IBUF_TABLE_NAME "SYS_IBUF_TABLE" + +/** Operations that can currently be buffered. */ +UNIV_INTERN ibuf_use_t ibuf_use = IBUF_USE_ALL; + +/** The insert buffer control structure */ +UNIV_INTERN ibuf_t* ibuf = NULL; + +/** Counter for ibuf_should_try() */ +UNIV_INTERN ulint ibuf_flush_count = 0; + +#ifdef UNIV_IBUF_COUNT_DEBUG +/** Number of tablespaces in the ibuf_counts array */ +#define IBUF_COUNT_N_SPACES 4 +/** Number of pages within each tablespace in the ibuf_counts array */ +#define IBUF_COUNT_N_PAGES 130000 + +/** Buffered entry counts for file pages, used in debugging */ +static ulint ibuf_counts[IBUF_COUNT_N_SPACES][IBUF_COUNT_N_PAGES]; + +/******************************************************************//** +Checks that the indexes to ibuf_counts[][] are within limits. */ +UNIV_INLINE +void +ibuf_count_check( +/*=============*/ + ulint space_id, /*!< in: space identifier */ + ulint page_no) /*!< in: page number */ +{ + if (space_id < IBUF_COUNT_N_SPACES && page_no < IBUF_COUNT_N_PAGES) { + return; + } + + fprintf(stderr, + "InnoDB: UNIV_IBUF_COUNT_DEBUG limits space_id and page_no\n" + "InnoDB: and breaks crash recovery.\n" + "InnoDB: space_id=%lu, should be 0<=space_id<%lu\n" + "InnoDB: page_no=%lu, should be 0<=page_no<%lu\n", + (ulint) space_id, (ulint) IBUF_COUNT_N_SPACES, + (ulint) page_no, (ulint) IBUF_COUNT_N_PAGES); + ut_error; +} +#endif + +/** @name Offsets to the per-page bits in the insert buffer bitmap */ +/* @{ */ +#define IBUF_BITMAP_FREE 0 /*!< Bits indicating the + amount of free space */ +#define IBUF_BITMAP_BUFFERED 2 /*!< TRUE if there are buffered + changes for the page */ +#define IBUF_BITMAP_IBUF 3 /*!< TRUE if page is a part of + the ibuf tree, excluding the + root page, or is in the free + list of the ibuf */ +/* @} */ + +/* Various constants for checking the type of an ibuf record and extracting +data from it. For details, see the description of the record format at the +top of this file. */ + +/** @name Format of the fourth column of an insert buffer record +The fourth column in the InnoDB+ Plugin format contains an operation +type, counter, and some flags. */ +/* @{ */ +#define IBUF_REC_INFO_SIZE 4 /*!< Combined size of info fields at + the beginning of the fourth field */ +#if IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE +# error "IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" +#endif + +/* Offsets for the fields at the beginning of the fourth field */ +#define IBUF_REC_OFFSET_COUNTER 0 /*!< Operation counter */ +#define IBUF_REC_OFFSET_TYPE 2 /*!< Type of operation */ +#define IBUF_REC_OFFSET_FLAGS 3 /*!< Additional flags */ + +/* Record flag masks */ +#define IBUF_REC_COMPACT 0x1 /*!< Set in + IBUF_REC_OFFSET_FLAGS if the + user index is in COMPACT + format or later */ + + +/** The mutex used to block pessimistic inserts to ibuf trees */ +static mutex_t ibuf_pessimistic_insert_mutex; + +/** The mutex protecting the insert buffer structs */ +static mutex_t ibuf_mutex; + +/** The mutex protecting the insert buffer bitmaps */ +static mutex_t ibuf_bitmap_mutex; + +/** The area in pages from which contract looks for page numbers for merge */ +#define IBUF_MERGE_AREA 8 + +/** Inside the merge area, pages which have at most 1 per this number less +buffered entries compared to maximum volume that can buffered for a single +page are merged along with the page whose buffer became full */ +#define IBUF_MERGE_THRESHOLD 4 + +/** In ibuf_contract at most this number of pages is read to memory in one +batch, in order to merge the entries for them in the insert buffer */ +#define IBUF_MAX_N_PAGES_MERGED IBUF_MERGE_AREA + +/** If the combined size of the ibuf trees exceeds ibuf->max_size by this +many pages, we start to contract it in connection to inserts there, using +non-synchronous contract */ +#define IBUF_CONTRACT_ON_INSERT_NON_SYNC 0 + +/** If the combined size of the ibuf trees exceeds ibuf->max_size by this +many pages, we start to contract it in connection to inserts there, using +synchronous contract */ +#define IBUF_CONTRACT_ON_INSERT_SYNC 5 + +/** If the combined size of the ibuf trees exceeds ibuf->max_size by +this many pages, we start to contract it synchronous contract, but do +not insert */ +#define IBUF_CONTRACT_DO_NOT_INSERT 10 + +/* TODO: how to cope with drop table if there are records in the insert +buffer for the indexes of the table? Is there actually any problem, +because ibuf merge is done to a page when it is read in, and it is +still physically like the index page even if the index would have been +dropped! So, there seems to be no problem. */ + +/******************************************************************//** +Sets the flag in the current OS thread local storage denoting that it is +inside an insert buffer routine. */ +UNIV_INLINE +void +ibuf_enter(void) +/*============*/ +{ + ibool* ptr; + + ptr = thr_local_get_in_ibuf_field(); + + ut_ad(*ptr == FALSE); + + *ptr = TRUE; +} + +/******************************************************************//** +Sets the flag in the current OS thread local storage denoting that it is +exiting an insert buffer routine. */ +UNIV_INLINE +void +ibuf_exit(void) +/*===========*/ +{ + ibool* ptr; + + ptr = thr_local_get_in_ibuf_field(); + + ut_ad(*ptr == TRUE); + + *ptr = FALSE; +} + +/******************************************************************//** +Returns TRUE if the current OS thread is performing an insert buffer +routine. + +For instance, a read-ahead of non-ibuf pages is forbidden by threads +that are executing an insert buffer routine. +@return TRUE if inside an insert buffer routine */ +UNIV_INTERN +ibool +ibuf_inside(void) +/*=============*/ +{ + return(*thr_local_get_in_ibuf_field()); +} + +/******************************************************************//** +Gets the ibuf header page and x-latches it. +@return insert buffer header page */ +static +page_t* +ibuf_header_page_get( +/*=================*/ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + + ut_ad(!ibuf_inside()); + + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_HEADER_PAGE_NO, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_IBUF_HEADER); + + return(buf_block_get_frame(block)); +} + +/******************************************************************//** +Gets the root page and x-latches it. +@return insert buffer tree root page */ +static +page_t* +ibuf_tree_root_get( +/*===============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + + ut_ad(ibuf_inside()); + + mtr_x_lock(dict_index_get_lock(ibuf->index), mtr); + + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + return(buf_block_get_frame(block)); +} + +#ifdef UNIV_IBUF_COUNT_DEBUG +/******************************************************************//** +Gets the ibuf count for a given page. +@return number of entries in the insert buffer currently buffered for +this page */ +UNIV_INTERN +ulint +ibuf_count_get( +/*===========*/ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ +{ + ibuf_count_check(space, page_no); + + return(ibuf_counts[space][page_no]); +} + +/******************************************************************//** +Sets the ibuf count for a given page. */ +static +void +ibuf_count_set( +/*===========*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: page number */ + ulint val) /*!< in: value to set */ +{ + ibuf_count_check(space, page_no); + ut_a(val < UNIV_PAGE_SIZE); + + ibuf_counts[space][page_no] = val; +} +#endif + +/******************************************************************//** +Closes insert buffer and frees the data structures. */ +UNIV_INTERN +void +ibuf_close(void) +/*============*/ +{ + mutex_free(&ibuf_pessimistic_insert_mutex); + memset(&ibuf_pessimistic_insert_mutex, + 0x0, sizeof(ibuf_pessimistic_insert_mutex)); + + mutex_free(&ibuf_mutex); + memset(&ibuf_mutex, 0x0, sizeof(ibuf_mutex)); + + mutex_free(&ibuf_bitmap_mutex); + memset(&ibuf_bitmap_mutex, 0x0, sizeof(ibuf_mutex)); + + mem_free(ibuf); + ibuf = NULL; +} + +/******************************************************************//** +Updates the size information of the ibuf, assuming the segment size has not +changed. */ +static +void +ibuf_size_update( +/*=============*/ + const page_t* root, /*!< in: ibuf tree root */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mutex_own(&ibuf_mutex)); + + ibuf->free_list_len = flst_get_len(root + PAGE_HEADER + + PAGE_BTR_IBUF_FREE_LIST, mtr); + + ibuf->height = 1 + btr_page_get_level(root, mtr); + + /* the '1 +' is the ibuf header page */ + ibuf->size = ibuf->seg_size - (1 + ibuf->free_list_len); + + ibuf->empty = page_get_n_recs(root) == 0; +} + +/******************************************************************//** +Creates the insert buffer data structure at a database startup and initializes +the data structures for the insert buffer. */ +UNIV_INTERN +void +ibuf_init_at_db_start(void) +/*=======================*/ +{ + page_t* root; + mtr_t mtr; + dict_table_t* table; + mem_heap_t* heap; + dict_index_t* index; + ulint n_used; + page_t* header_page; + ulint error; + + ibuf = mem_alloc(sizeof(ibuf_t)); + + memset(ibuf, 0, sizeof(*ibuf)); + + /* Note that also a pessimistic delete can sometimes make a B-tree + grow in size, as the references on the upper levels of the tree can + change */ + + ibuf->max_size = buf_pool_get_curr_size() / UNIV_PAGE_SIZE + / IBUF_POOL_SIZE_PER_MAX_SIZE; + + mutex_create(&ibuf_pessimistic_insert_mutex, + SYNC_IBUF_PESS_INSERT_MUTEX); + + mutex_create(&ibuf_mutex, SYNC_IBUF_MUTEX); + + mutex_create(&ibuf_bitmap_mutex, SYNC_IBUF_BITMAP_MUTEX); + + mtr_start(&mtr); + + mutex_enter(&ibuf_mutex); + + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, NULL), &mtr); + + header_page = ibuf_header_page_get(&mtr); + + fseg_n_reserved_pages(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, + &n_used, &mtr); + ibuf_enter(); + + ut_ad(n_used >= 2); + + ibuf->seg_size = n_used; + + { + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + root = buf_block_get_frame(block); + } + + ibuf_size_update(root, &mtr); + mutex_exit(&ibuf_mutex); + + mtr_commit(&mtr); + + ibuf_exit(); + + heap = mem_heap_create(450); + + /* Use old-style record format for the insert buffer. */ + table = dict_mem_table_create(IBUF_TABLE_NAME, IBUF_SPACE_ID, 1, 0); + + dict_mem_table_add_col(table, heap, "DUMMY_COLUMN", DATA_BINARY, 0, 0); + + table->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); + + dict_table_add_to_cache(table, heap); + mem_heap_free(heap); + + index = dict_mem_index_create( + IBUF_TABLE_NAME, "CLUST_IND", + IBUF_SPACE_ID, DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, 1); + + dict_mem_index_add_field(index, "DUMMY_COLUMN", 0); + + index->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); + + error = dict_index_add_to_cache(table, index, + FSP_IBUF_TREE_ROOT_PAGE_NO, FALSE); + ut_a(error == DB_SUCCESS); + + ibuf->index = dict_table_get_first_index(table); +} +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Initializes an ibuf bitmap page. */ +UNIV_INTERN +void +ibuf_bitmap_page_init( +/*==================*/ + buf_block_t* block, /*!< in: bitmap page */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + ulint byte_offset; + ulint zip_size = buf_block_get_zip_size(block); + + ut_a(ut_is_2pow(zip_size)); + + page = buf_block_get_frame(block); + fil_page_set_type(page, FIL_PAGE_IBUF_BITMAP); + + /* Write all zeros to the bitmap */ + + if (!zip_size) { + byte_offset = UT_BITS_IN_BYTES(UNIV_PAGE_SIZE + * IBUF_BITS_PER_PAGE); + } else { + byte_offset = UT_BITS_IN_BYTES(zip_size * IBUF_BITS_PER_PAGE); + } + + memset(page + IBUF_BITMAP, 0, byte_offset); + + /* The remaining area (up to the page trailer) is uninitialized. */ + +#ifndef UNIV_HOTBACKUP + mlog_write_initial_log_record(page, MLOG_IBUF_BITMAP_INIT, mtr); +#endif /* !UNIV_HOTBACKUP */ +} + +/*********************************************************************//** +Parses a redo log record of an ibuf bitmap page init. +@return end of log record or NULL */ +UNIV_INTERN +byte* +ibuf_parse_bitmap_init( +/*===================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ut_ad(ptr && end_ptr); + + if (block) { + ibuf_bitmap_page_init(block, mtr); + } + + return(ptr); +} +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Gets the desired bits for a given page from a bitmap page. +@return value of bits */ +UNIV_INLINE +ulint +ibuf_bitmap_page_get_bits( +/*======================*/ + const page_t* page, /*!< in: bitmap page */ + ulint page_no,/*!< in: page whose bits to get */ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint bit, /*!< in: IBUF_BITMAP_FREE, + IBUF_BITMAP_BUFFERED, ... */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mtr containing an + x-latch to the bitmap page */ +{ + ulint byte_offset; + ulint bit_offset; + ulint map_byte; + ulint value; + + ut_ad(bit < IBUF_BITS_PER_PAGE); +#if IBUF_BITS_PER_PAGE % 2 +# error "IBUF_BITS_PER_PAGE % 2 != 0" +#endif + ut_ad(ut_is_2pow(zip_size)); + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); + + if (!zip_size) { + bit_offset = (page_no % UNIV_PAGE_SIZE) * IBUF_BITS_PER_PAGE + + bit; + } else { + bit_offset = (page_no & (zip_size - 1)) * IBUF_BITS_PER_PAGE + + bit; + } + + byte_offset = bit_offset / 8; + bit_offset = bit_offset % 8; + + ut_ad(byte_offset + IBUF_BITMAP < UNIV_PAGE_SIZE); + + map_byte = mach_read_from_1(page + IBUF_BITMAP + byte_offset); + + value = ut_bit_get_nth(map_byte, bit_offset); + + if (bit == IBUF_BITMAP_FREE) { + ut_ad(bit_offset + 1 < 8); + + value = value * 2 + ut_bit_get_nth(map_byte, bit_offset + 1); + } + + return(value); +} + +/********************************************************************//** +Sets the desired bit for a given page in a bitmap page. */ +static +void +ibuf_bitmap_page_set_bits( +/*======================*/ + page_t* page, /*!< in: bitmap page */ + ulint page_no,/*!< in: page whose bits to set */ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint bit, /*!< in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ + ulint val, /*!< in: value to set */ + mtr_t* mtr) /*!< in: mtr containing an x-latch to the bitmap page */ +{ + ulint byte_offset; + ulint bit_offset; + ulint map_byte; + + ut_ad(bit < IBUF_BITS_PER_PAGE); +#if IBUF_BITS_PER_PAGE % 2 +# error "IBUF_BITS_PER_PAGE % 2 != 0" +#endif + ut_ad(ut_is_2pow(zip_size)); + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a((bit != IBUF_BITMAP_BUFFERED) || (val != FALSE) + || (0 == ibuf_count_get(page_get_space_id(page), + page_no))); +#endif + if (!zip_size) { + bit_offset = (page_no % UNIV_PAGE_SIZE) * IBUF_BITS_PER_PAGE + + bit; + } else { + bit_offset = (page_no & (zip_size - 1)) * IBUF_BITS_PER_PAGE + + bit; + } + + byte_offset = bit_offset / 8; + bit_offset = bit_offset % 8; + + ut_ad(byte_offset + IBUF_BITMAP < UNIV_PAGE_SIZE); + + map_byte = mach_read_from_1(page + IBUF_BITMAP + byte_offset); + + if (bit == IBUF_BITMAP_FREE) { + ut_ad(bit_offset + 1 < 8); + ut_ad(val <= 3); + + map_byte = ut_bit_set_nth(map_byte, bit_offset, val / 2); + map_byte = ut_bit_set_nth(map_byte, bit_offset + 1, val % 2); + } else { + ut_ad(val <= 1); + map_byte = ut_bit_set_nth(map_byte, bit_offset, val); + } + + mlog_write_ulint(page + IBUF_BITMAP + byte_offset, map_byte, + MLOG_1BYTE, mtr); +} + +/********************************************************************//** +Calculates the bitmap page number for a given page number. +@return the bitmap page number where the file page is mapped */ +UNIV_INLINE +ulint +ibuf_bitmap_page_no_calc( +/*=====================*/ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no) /*!< in: tablespace page number */ +{ + ut_ad(ut_is_2pow(zip_size)); + + if (!zip_size) { + return(FSP_IBUF_BITMAP_OFFSET + + (page_no & ~(UNIV_PAGE_SIZE - 1))); + } else { + return(FSP_IBUF_BITMAP_OFFSET + + (page_no & ~(zip_size - 1))); + } +} + +/********************************************************************//** +Gets the ibuf bitmap page where the bits describing a given file page are +stored. +@return bitmap page where the file page is mapped, that is, the bitmap +page containing the descriptor bits for the file page; the bitmap page +is x-latched */ +static +page_t* +ibuf_bitmap_get_map_page_func( +/*==========================*/ + ulint space, /*!< in: space id of the file page */ + ulint page_no,/*!< in: page number of the file page */ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + + block = buf_page_get_gen(space, zip_size, + ibuf_bitmap_page_no_calc(zip_size, page_no), + RW_X_LATCH, NULL, BUF_GET, + file, line, mtr); + buf_block_dbg_add_level(block, SYNC_IBUF_BITMAP); + + return(buf_block_get_frame(block)); +} + +/********************************************************************//** +Gets the ibuf bitmap page where the bits describing a given file page are +stored. +@return bitmap page where the file page is mapped, that is, the bitmap +page containing the descriptor bits for the file page; the bitmap page +is x-latched +@param space in: space id of the file page +@param page_no in: page number of the file page +@param zip_size in: compressed page size in bytes; 0 for uncompressed pages +@param mtr in: mini-transaction */ +#define ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr) \ + ibuf_bitmap_get_map_page_func(space, page_no, zip_size, \ + __FILE__, __LINE__, mtr) + +/************************************************************************//** +Sets the free bits of the page in the ibuf bitmap. This is done in a separate +mini-transaction, hence this operation does not restrict further work to only +ibuf bitmap operations, which would result if the latch to the bitmap page +were kept. */ +UNIV_INLINE +void +ibuf_set_free_bits_low( +/*===================*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + const buf_block_t* block, /*!< in: index page; free bits are set if + the index is non-clustered and page + level is 0 */ + ulint val, /*!< in: value to set: < 4 */ + mtr_t* mtr) /*!< in/out: mtr */ +{ + page_t* bitmap_page; + ulint space; + ulint page_no; + + if (!page_is_leaf(buf_block_get_frame(block))) { + + return; + } + + space = buf_block_get_space(block); + page_no = buf_block_get_page_no(block); + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); +#ifdef UNIV_IBUF_DEBUG +# if 0 + fprintf(stderr, + "Setting space %lu page %lu free bits to %lu should be %lu\n", + space, page_no, val, + ibuf_index_page_calc_free(zip_size, block)); +# endif + + ut_a(val <= ibuf_index_page_calc_free(zip_size, block)); +#endif /* UNIV_IBUF_DEBUG */ + ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, val, mtr); +} + +/************************************************************************//** +Sets the free bit of the page in the ibuf bitmap. This is done in a separate +mini-transaction, hence this operation does not restrict further work to only +ibuf bitmap operations, which would result if the latch to the bitmap page +were kept. */ +UNIV_INTERN +void +ibuf_set_free_bits_func( +/*====================*/ + buf_block_t* block, /*!< in: index page of a non-clustered index; + free bit is reset if page level is 0 */ +#ifdef UNIV_IBUF_DEBUG + ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum + value which the bits must have before + setting; this is for debugging */ +#endif /* UNIV_IBUF_DEBUG */ + ulint val) /*!< in: value to set: < 4 */ +{ + mtr_t mtr; + page_t* page; + page_t* bitmap_page; + ulint space; + ulint page_no; + ulint zip_size; + + page = buf_block_get_frame(block); + + if (!page_is_leaf(page)) { + + return; + } + + mtr_start(&mtr); + + space = buf_block_get_space(block); + page_no = buf_block_get_page_no(block); + zip_size = buf_block_get_zip_size(block); + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, &mtr); + +#ifdef UNIV_IBUF_DEBUG + if (max_val != ULINT_UNDEFINED) { + ulint old_val; + + old_val = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, &mtr); +# if 0 + if (old_val != max_val) { + fprintf(stderr, + "Ibuf: page %lu old val %lu max val %lu\n", + page_get_page_no(page), + old_val, max_val); + } +# endif + + ut_a(old_val <= max_val); + } +# if 0 + fprintf(stderr, "Setting page no %lu free bits to %lu should be %lu\n", + page_get_page_no(page), val, + ibuf_index_page_calc_free(zip_size, block)); +# endif + + ut_a(val <= ibuf_index_page_calc_free(zip_size, block)); +#endif /* UNIV_IBUF_DEBUG */ + ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, val, &mtr); + mtr_commit(&mtr); +} + +/************************************************************************//** +Resets the free bits of the page in the ibuf bitmap. This is done in a +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to decrement or reset the bits in the bitmap in a mini-transaction +that is committed before the mini-transaction that affects the free +space. */ +UNIV_INTERN +void +ibuf_reset_free_bits( +/*=================*/ + buf_block_t* block) /*!< in: index page; free bits are set to 0 + if the index is a non-clustered + non-unique, and page level is 0 */ +{ + ibuf_set_free_bits(block, 0, ULINT_UNDEFINED); +} + +/**********************************************************************//** +Updates the free bits for an uncompressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ +UNIV_INTERN +void +ibuf_update_free_bits_low( +/*======================*/ + const buf_block_t* block, /*!< in: index page */ + ulint max_ins_size, /*!< in: value of + maximum insert size + with reorganize before + the latest operation + performed to the page */ + mtr_t* mtr) /*!< in/out: mtr */ +{ + ulint before; + ulint after; + + ut_a(!buf_block_get_page_zip(block)); + + before = ibuf_index_page_calc_free_bits(0, max_ins_size); + + after = ibuf_index_page_calc_free(0, block); + + /* This approach cannot be used on compressed pages, since the + computed value of "before" often does not match the current + state of the bitmap. This is because the free space may + increase or decrease when a compressed page is reorganized. */ + if (before != after) { + ibuf_set_free_bits_low(0, block, after, mtr); + } +} + +/**********************************************************************//** +Updates the free bits for a compressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ +UNIV_INTERN +void +ibuf_update_free_bits_zip( +/*======================*/ + buf_block_t* block, /*!< in/out: index page */ + mtr_t* mtr) /*!< in/out: mtr */ +{ + page_t* bitmap_page; + ulint space; + ulint page_no; + ulint zip_size; + ulint after; + + space = buf_block_get_space(block); + page_no = buf_block_get_page_no(block); + zip_size = buf_block_get_zip_size(block); + + ut_a(page_is_leaf(buf_block_get_frame(block))); + ut_a(zip_size); + + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); + + after = ibuf_index_page_calc_free_zip(zip_size, block); + + if (after == 0) { + /* We move the page to the front of the buffer pool LRU list: + the purpose of this is to prevent those pages to which we + cannot make inserts using the insert buffer from slipping + out of the buffer pool */ + + buf_page_make_young(&block->page); + } + + ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, after, mtr); +} + +/**********************************************************************//** +Updates the free bits for the two pages to reflect the present state. +Does this in the mtr given, which means that the latching order rules +virtually prevent any further operations until mtr is committed. +NOTE: The free bits in the insert buffer bitmap must never exceed the +free space on a page. It is safe to set the free bits in the same +mini-transaction that updated the pages. */ +UNIV_INTERN +void +ibuf_update_free_bits_for_two_pages_low( +/*====================================*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + buf_block_t* block1, /*!< in: index page */ + buf_block_t* block2, /*!< in: index page */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint state; + + /* As we have to x-latch two random bitmap pages, we have to acquire + the bitmap mutex to prevent a deadlock with a similar operation + performed by another OS thread. */ + + mutex_enter(&ibuf_bitmap_mutex); + + state = ibuf_index_page_calc_free(zip_size, block1); + + ibuf_set_free_bits_low(zip_size, block1, state, mtr); + + state = ibuf_index_page_calc_free(zip_size, block2); + + ibuf_set_free_bits_low(zip_size, block2, state, mtr); + + mutex_exit(&ibuf_bitmap_mutex); +} + +/**********************************************************************//** +Returns TRUE if the page is one of the fixed address ibuf pages. +@return TRUE if a fixed address ibuf i/o page */ +UNIV_INLINE +ibool +ibuf_fixed_addr_page( +/*=================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no)/*!< in: page number */ +{ + return((space == IBUF_SPACE_ID && page_no == IBUF_TREE_ROOT_PAGE_NO) + || ibuf_bitmap_page(zip_size, page_no)); +} + +/***********************************************************************//** +Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. +Must not be called when recv_no_ibuf_operations==TRUE. +@return TRUE if level 2 or level 3 page */ +UNIV_INTERN +ibool +ibuf_page( +/*======*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number */ + mtr_t* mtr) /*!< in: mtr which will contain an x-latch to the + bitmap page if the page is not one of the fixed + address ibuf pages, or NULL, in which case a new + transaction is created. */ +{ + ibool ret; + mtr_t local_mtr; + page_t* bitmap_page; + + ut_ad(!recv_no_ibuf_operations); + + if (ibuf_fixed_addr_page(space, zip_size, page_no)) { + + return(TRUE); + } else if (space != IBUF_SPACE_ID) { + + return(FALSE); + } + + ut_ad(fil_space_get_type(IBUF_SPACE_ID) == FIL_TABLESPACE); + + if (mtr == NULL) { + mtr = &local_mtr; + mtr_start(mtr); + } + + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); + + ret = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_IBUF, mtr); + + if (mtr == &local_mtr) { + mtr_commit(mtr); + } + + return(ret); +} + +/********************************************************************//** +Returns the page number field of an ibuf record. +@return page number */ +static +ulint +ibuf_rec_get_page_no( +/*=================*/ + const rec_t* rec) /*!< in: ibuf record */ +{ + const byte* field; + ulint len; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (len == 1) { + /* This is of the >= 4.1.x record format */ + ut_a(trx_sys_multiple_tablespace_format); + + field = rec_get_nth_field_old(rec, 2, &len); + } else { + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + field = rec_get_nth_field_old(rec, 0, &len); + } + + ut_a(len == 4); + + return(mach_read_from_4(field)); +} + +/********************************************************************//** +Returns the space id field of an ibuf record. For < 4.1.x format records +returns 0. +@return space id */ +static +ulint +ibuf_rec_get_space( +/*===============*/ + const rec_t* rec) /*!< in: ibuf record */ +{ + const byte* field; + ulint len; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (len == 1) { + /* This is of the >= 4.1.x record format */ + + ut_a(trx_sys_multiple_tablespace_format); + field = rec_get_nth_field_old(rec, 0, &len); + ut_a(len == 4); + + return(mach_read_from_4(field)); + } + + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + return(0); +} + +/****************************************************************//** +Get various information about an ibuf record in >= 4.1.x format. */ +static +void +ibuf_rec_get_info( +/*==============*/ + const rec_t* rec, /*!< in: ibuf record */ + ibuf_op_t* op, /*!< out: operation type, or NULL */ + ibool* comp, /*!< out: compact flag, or NULL */ + ulint* info_len, /*!< out: length of info fields at the + start of the fourth field, or + NULL */ + ulint* counter) /*!< in: counter value, or NULL */ +{ + const byte* types; + ulint fields; + ulint len; + + /* Local variables to shadow arguments. */ + ibuf_op_t op_local; + ibool comp_local; + ulint info_len_local; + ulint counter_local; + + ut_ad(ibuf_inside()); + fields = rec_get_n_fields_old(rec); + ut_a(fields > 4); + + types = rec_get_nth_field_old(rec, 3, &len); + + info_len_local = len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + + switch (info_len_local) { + case 0: + case 1: + op_local = IBUF_OP_INSERT; + comp_local = info_len_local; + ut_ad(!counter); + counter_local = ULINT_UNDEFINED; + break; + + case IBUF_REC_INFO_SIZE: + op_local = (ibuf_op_t)types[IBUF_REC_OFFSET_TYPE]; + comp_local = types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT; + counter_local = mach_read_from_2( + types + IBUF_REC_OFFSET_COUNTER); + break; + + default: + ut_error; + } + + ut_a(op_local < IBUF_OP_COUNT); + ut_a((len - info_len_local) == + (fields - 4) * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + + if (op) { + *op = op_local; + } + + if (comp) { + *comp = comp_local; + } + + if (info_len) { + *info_len = info_len_local; + } + + if (counter) { + *counter = counter_local; + } +} + +/****************************************************************//** +Returns the operation type field of an ibuf record. +@return operation type */ +static +ibuf_op_t +ibuf_rec_get_op_type( +/*=================*/ + const rec_t* rec) /*!< in: ibuf record */ +{ + ulint len; + const byte* field; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (len > 1) { + /* This is a < 4.1.x format record */ + + return(IBUF_OP_INSERT); + } else { + ibuf_op_t op; + + ibuf_rec_get_info(rec, &op, NULL, NULL, NULL); + + return(op); + } +} + +/****************************************************************//** +Read the first two bytes from a record's fourth field (counter field in new +records; something else in older records). +@return "counter" field, or ULINT_UNDEFINED if for some reason it +can't be read */ +UNIV_INTERN +ulint +ibuf_rec_get_counter( +/*=================*/ + const rec_t* rec) /*!< in: ibuf record */ +{ + const byte* ptr; + ulint len; + + if (rec_get_n_fields_old(rec) < 4) { + + return(ULINT_UNDEFINED); + } + + ptr = rec_get_nth_field_old(rec, 3, &len); + + if (len >= 2) { + + return(mach_read_from_2(ptr)); + } else { + + return(ULINT_UNDEFINED); + } +} + +/****************************************************************//** +Add accumulated operation counts to a permanent array. Both arrays must be +of size IBUF_OP_COUNT. */ +static +void +ibuf_add_ops( +/*=========*/ + ulint* arr, /*!< in/out: array to modify */ + const ulint* ops) /*!< in: operation counts */ + +{ + ulint i; + + for (i = 0; i < IBUF_OP_COUNT; i++) { + arr[i] += ops[i]; + } +} + +/****************************************************************//** +Print operation counts. The array must be of size IBUF_OP_COUNT. */ +static +void +ibuf_print_ops( +/*===========*/ + const ulint* ops, /*!< in: operation counts */ + FILE* file) /*!< in: file where to print */ +{ + static const char* op_names[] = { + "insert", + "delete mark", + "delete" + }; + ulint i; + + ut_a(UT_ARR_SIZE(op_names) == IBUF_OP_COUNT); + + for (i = 0; i < IBUF_OP_COUNT; i++) { + fprintf(file, "%s %lu%s", op_names[i], + (ulong) ops[i], (i < (IBUF_OP_COUNT - 1)) ? ", " : ""); + } + + putc('\n', file); +} + +/********************************************************************//** +Creates a dummy index for inserting a record to a non-clustered index. +@return dummy index */ +static +dict_index_t* +ibuf_dummy_index_create( +/*====================*/ + ulint n, /*!< in: number of fields */ + ibool comp) /*!< in: TRUE=use compact record format */ +{ + dict_table_t* table; + dict_index_t* index; + + table = dict_mem_table_create("IBUF_DUMMY", + DICT_HDR_SPACE, n, + comp ? DICT_TF_COMPACT : 0); + + index = dict_mem_index_create("IBUF_DUMMY", "IBUF_DUMMY", + DICT_HDR_SPACE, 0, n); + + index->table = table; + + /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ + index->cached = TRUE; + + return(index); +} +/********************************************************************//** +Add a column to the dummy index */ +static +void +ibuf_dummy_index_add_col( +/*=====================*/ + dict_index_t* index, /*!< in: dummy index */ + const dtype_t* type, /*!< in: the data type of the column */ + ulint len) /*!< in: length of the column */ +{ + ulint i = index->table->n_def; + dict_mem_table_add_col(index->table, NULL, NULL, + dtype_get_mtype(type), + dtype_get_prtype(type), + dtype_get_len(type)); + dict_index_add_col(index, index->table, + dict_table_get_nth_col(index->table, i), len); +} +/********************************************************************//** +Deallocates a dummy index for inserting a record to a non-clustered index. */ +static +void +ibuf_dummy_index_free( +/*==================*/ + dict_index_t* index) /*!< in, own: dummy index */ +{ + dict_table_t* table = index->table; + + dict_mem_index_free(index); + dict_mem_table_free(table); +} + +/*********************************************************************//** +Builds the entry to insert into a non-clustered index when we have the +corresponding record in an ibuf index. + +NOTE that as we copy pointers to fields in ibuf_rec, the caller must +hold a latch to the ibuf_rec page as long as the entry is used! + +@return own: entry to insert to a non-clustered index */ +UNIV_INLINE +dtuple_t* +ibuf_build_entry_pre_4_1_x( +/*=======================*/ + const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ + mem_heap_t* heap, /*!< in: heap where built */ + dict_index_t** pindex) /*!< out, own: dummy index that + describes the entry */ +{ + ulint i; + ulint len; + const byte* types; + dtuple_t* tuple; + ulint n_fields; + + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + n_fields = rec_get_n_fields_old(ibuf_rec) - 2; + tuple = dtuple_create(heap, n_fields); + types = rec_get_nth_field_old(ibuf_rec, 1, &len); + + ut_a(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); + + for (i = 0; i < n_fields; i++) { + const byte* data; + dfield_t* field; + + field = dtuple_get_nth_field(tuple, i); + + data = rec_get_nth_field_old(ibuf_rec, i + 2, &len); + + dfield_set_data(field, data, len); + + dtype_read_for_order_and_null_size( + dfield_get_type(field), + types + i * DATA_ORDER_NULL_TYPE_BUF_SIZE); + } + + *pindex = ibuf_dummy_index_create(n_fields, FALSE); + + return(tuple); +} + +/*********************************************************************//** +Builds the entry used to + +1) IBUF_OP_INSERT: insert into a non-clustered index + +2) IBUF_OP_DELETE_MARK: find the record whose delete-mark flag we need to + activate + +3) IBUF_OP_DELETE: find the record we need to delete + +when we have the corresponding record in an ibuf index. + +NOTE that as we copy pointers to fields in ibuf_rec, the caller must +hold a latch to the ibuf_rec page as long as the entry is used! + +@return own: entry to insert to a non-clustered index */ +static +dtuple_t* +ibuf_build_entry_from_ibuf_rec( +/*===========================*/ + const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ + mem_heap_t* heap, /*!< in: heap where built */ + dict_index_t** pindex) /*!< out, own: dummy index that + describes the entry */ +{ + dtuple_t* tuple; + dfield_t* field; + ulint n_fields; + const byte* types; + const byte* data; + ulint len; + ulint info_len; + ulint i; + ulint comp; + dict_index_t* index; + + data = rec_get_nth_field_old(ibuf_rec, 1, &len); + + if (len > 1) { + /* This a < 4.1.x format record */ + + return(ibuf_build_entry_pre_4_1_x(ibuf_rec, heap, pindex)); + } + + /* This a >= 4.1.x format record */ + + ut_a(trx_sys_multiple_tablespace_format); + ut_a(*data == 0); + ut_a(rec_get_n_fields_old(ibuf_rec) > 4); + + n_fields = rec_get_n_fields_old(ibuf_rec) - 4; + + tuple = dtuple_create(heap, n_fields); + + types = rec_get_nth_field_old(ibuf_rec, 3, &len); + + ibuf_rec_get_info(ibuf_rec, NULL, &comp, &info_len, NULL); + + index = ibuf_dummy_index_create(n_fields, comp); + + len -= info_len; + types += info_len; + + ut_a(len == n_fields * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + + for (i = 0; i < n_fields; i++) { + field = dtuple_get_nth_field(tuple, i); + + data = rec_get_nth_field_old(ibuf_rec, i + 4, &len); + + dfield_set_data(field, data, len); + + dtype_new_read_for_order_and_null_size( + dfield_get_type(field), + types + i * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + + ibuf_dummy_index_add_col(index, dfield_get_type(field), len); + } + + /* Prevent an ut_ad() failure in page_zip_write_rec() by + adding system columns to the dummy table pointed to by the + dummy secondary index. The insert buffer is only used for + secondary indexes, whose records never contain any system + columns, such as DB_TRX_ID. */ + ut_d(dict_table_add_system_columns(index->table, index->table->heap)); + + *pindex = index; + + return(tuple); +} + +/******************************************************************//** +Get the data size. +@return size of fields */ +UNIV_INLINE +ulint +ibuf_rec_get_size( +/*==============*/ + const rec_t* rec, /*!< in: ibuf record */ + const byte* types, /*!< in: fields */ + ulint n_fields, /*!< in: number of fields */ + ibool pre_4_1, /*!< in: TRUE=pre-4.1 format, + FALSE=newer */ + ulint comp) /*!< in: 0=ROW_FORMAT=REDUNDANT, + nonzero=ROW_FORMAT=COMPACT */ +{ + ulint i; + ulint field_offset; + ulint types_offset; + ulint size = 0; + + if (pre_4_1) { + field_offset = 2; + types_offset = DATA_ORDER_NULL_TYPE_BUF_SIZE; + } else { + field_offset = 4; + types_offset = DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + } + + for (i = 0; i < n_fields; i++) { + ulint len; + dtype_t dtype; + + rec_get_nth_field_offs_old(rec, i + field_offset, &len); + + if (len != UNIV_SQL_NULL) { + size += len; + } else if (pre_4_1) { + dtype_read_for_order_and_null_size(&dtype, types); + + size += dtype_get_sql_null_size(&dtype, comp); + } else { + dtype_new_read_for_order_and_null_size(&dtype, types); + + size += dtype_get_sql_null_size(&dtype, comp); + } + + types += types_offset; + } + + return(size); +} + +/********************************************************************//** +Returns the space taken by a stored non-clustered index entry if converted to +an index record. +@return size of index record in bytes + an upper limit of the space +taken in the page directory */ +static +ulint +ibuf_rec_get_volume( +/*================*/ + const rec_t* ibuf_rec)/*!< in: ibuf record */ +{ + ulint len; + const byte* data; + const byte* types; + ulint n_fields; + ulint data_size; + ibool pre_4_1; + ulint comp; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(ibuf_rec) > 2); + + data = rec_get_nth_field_old(ibuf_rec, 1, &len); + pre_4_1 = (len > 1); + + if (pre_4_1) { + /* < 4.1.x format record */ + + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + n_fields = rec_get_n_fields_old(ibuf_rec) - 2; + + types = rec_get_nth_field_old(ibuf_rec, 1, &len); + + ut_ad(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); + comp = 0; + } else { + /* >= 4.1.x format record */ + ibuf_op_t op; + ulint info_len; + + ut_a(trx_sys_multiple_tablespace_format); + ut_a(*data == 0); + + types = rec_get_nth_field_old(ibuf_rec, 3, &len); + + ibuf_rec_get_info(ibuf_rec, &op, &comp, &info_len, NULL); + + if (op == IBUF_OP_DELETE_MARK || op == IBUF_OP_DELETE) { + /* Delete-marking a record doesn't take any + additional space, and while deleting a record + actually frees up space, we have to play it safe and + pretend it takes no additional space (the record + might not exist, etc.). */ + + return(0); + } else if (comp) { + dtuple_t* entry; + ulint volume; + dict_index_t* dummy_index; + mem_heap_t* heap = mem_heap_create(500); + + entry = ibuf_build_entry_from_ibuf_rec( + ibuf_rec, heap, &dummy_index); + + volume = rec_get_converted_size(dummy_index, entry, 0); + + ibuf_dummy_index_free(dummy_index); + mem_heap_free(heap); + + return(volume + page_dir_calc_reserved_space(1)); + } + + types += info_len; + n_fields = rec_get_n_fields_old(ibuf_rec) - 4; + } + + data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, pre_4_1, comp); + + return(data_size + rec_get_converted_extra_size(data_size, n_fields, 0) + + page_dir_calc_reserved_space(1)); +} + +/*********************************************************************//** +Builds the tuple to insert to an ibuf tree when we have an entry for a +non-clustered index. + +NOTE that the original entry must be kept because we copy pointers to +its fields. + +@return own: entry to insert into an ibuf index tree */ +static +dtuple_t* +ibuf_entry_build( +/*=============*/ + ibuf_op_t op, /*!< in: operation type */ + dict_index_t* index, /*!< in: non-clustered index */ + const dtuple_t* entry, /*!< in: entry for a non-clustered index */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where entry should + be inserted */ + ulint counter,/*!< in: counter value; + ULINT_UNDEFINED=not used */ + mem_heap_t* heap) /*!< in: heap into which to build */ +{ + dtuple_t* tuple; + dfield_t* field; + const dfield_t* entry_field; + ulint n_fields; + byte* buf; + byte* ti; + byte* type_info; + ulint i; + + ut_ad(counter != ULINT_UNDEFINED || op == IBUF_OP_INSERT); + ut_ad(counter == ULINT_UNDEFINED || counter <= 0xFFFF); + ut_ad(op < IBUF_OP_COUNT); + + /* We have to build a tuple with the following fields: + + 1-4) These are described at the top of this file. + + 5) The rest of the fields are copied from the entry. + + All fields in the tuple are ordered like the type binary in our + insert buffer tree. */ + + n_fields = dtuple_get_n_fields(entry); + + tuple = dtuple_create(heap, n_fields + 4); + + /* 1) Space Id */ + + field = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, space); + + dfield_set_data(field, buf, 4); + + /* 2) Marker byte */ + + field = dtuple_get_nth_field(tuple, 1); + + buf = mem_heap_alloc(heap, 1); + + /* We set the marker byte zero */ + + mach_write_to_1(buf, 0); + + dfield_set_data(field, buf, 1); + + /* 3) Page number */ + + field = dtuple_get_nth_field(tuple, 2); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, page_no); + + dfield_set_data(field, buf, 4); + + /* 4) Type info, part #1 */ + + if (counter == ULINT_UNDEFINED) { + i = dict_table_is_comp(index->table) ? 1 : 0; + } else { + ut_ad(counter <= 0xFFFF); + i = IBUF_REC_INFO_SIZE; + } + + ti = type_info = mem_heap_alloc(heap, i + n_fields + * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); + + switch (i) { + default: + ut_error; + break; + case 1: + /* set the flag for ROW_FORMAT=COMPACT */ + *ti++ = 0; + /* fall through */ + case 0: + /* the old format does not allow delete buffering */ + ut_ad(op == IBUF_OP_INSERT); + break; + case IBUF_REC_INFO_SIZE: + mach_write_to_2(ti + IBUF_REC_OFFSET_COUNTER, counter); + + ti[IBUF_REC_OFFSET_TYPE] = (byte) op; + ti[IBUF_REC_OFFSET_FLAGS] = dict_table_is_comp(index->table) + ? IBUF_REC_COMPACT : 0; + ti += IBUF_REC_INFO_SIZE; + break; + } + + /* 5+) Fields from the entry */ + + for (i = 0; i < n_fields; i++) { + ulint fixed_len; + const dict_field_t* ifield; + + /* We add 4 below because we have the 4 extra fields at the + start of an ibuf record */ + + field = dtuple_get_nth_field(tuple, i + 4); + entry_field = dtuple_get_nth_field(entry, i); + dfield_copy(field, entry_field); + + ifield = dict_index_get_nth_field(index, i); + /* Prefix index columns of fixed-length columns are of + fixed length. However, in the function call below, + dfield_get_type(entry_field) contains the fixed length + of the column in the clustered index. Replace it with + the fixed length of the secondary index column. */ + fixed_len = ifield->fixed_len; + +#ifdef UNIV_DEBUG + if (fixed_len) { + /* dict_index_add_col() should guarantee these */ + ut_ad(fixed_len <= (ulint) + dfield_get_type(entry_field)->len); + if (ifield->prefix_len) { + ut_ad(ifield->prefix_len == fixed_len); + } else { + ut_ad(fixed_len == (ulint) + dfield_get_type(entry_field)->len); + } + } +#endif /* UNIV_DEBUG */ + + dtype_new_store_for_order_and_null_size( + ti, dfield_get_type(entry_field), fixed_len); + ti += DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; + } + + /* 4) Type info, part #2 */ + + field = dtuple_get_nth_field(tuple, 3); + + dfield_set_data(field, type_info, ti - type_info); + + /* Set all the types in the new tuple binary */ + + dtuple_set_types_binary(tuple, n_fields + 4); + + return(tuple); +} + +/*********************************************************************//** +Builds a search tuple used to search buffered inserts for an index page. +This is for < 4.1.x format records +@return own: search tuple */ +static +dtuple_t* +ibuf_search_tuple_build( +/*====================*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number */ + mem_heap_t* heap) /*!< in: heap into which to build */ +{ + dtuple_t* tuple; + dfield_t* field; + byte* buf; + + ut_a(space == 0); + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + tuple = dtuple_create(heap, 1); + + /* Store the page number in tuple */ + + field = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, page_no); + + dfield_set_data(field, buf, 4); + + dtuple_set_types_binary(tuple, 1); + + return(tuple); +} + +/*********************************************************************//** +Builds a search tuple used to search buffered inserts for an index page. +This is for >= 4.1.x format records. +@return own: search tuple */ +static +dtuple_t* +ibuf_new_search_tuple_build( +/*========================*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number */ + mem_heap_t* heap) /*!< in: heap into which to build */ +{ + dtuple_t* tuple; + dfield_t* field; + byte* buf; + + ut_a(trx_sys_multiple_tablespace_format); + + tuple = dtuple_create(heap, 3); + + /* Store the space id in tuple */ + + field = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, space); + + dfield_set_data(field, buf, 4); + + /* Store the new format record marker byte */ + + field = dtuple_get_nth_field(tuple, 1); + + buf = mem_heap_alloc(heap, 1); + + mach_write_to_1(buf, 0); + + dfield_set_data(field, buf, 1); + + /* Store the page number in tuple */ + + field = dtuple_get_nth_field(tuple, 2); + + buf = mem_heap_alloc(heap, 4); + + mach_write_to_4(buf, page_no); + + dfield_set_data(field, buf, 4); + + dtuple_set_types_binary(tuple, 3); + + return(tuple); +} + +/*********************************************************************//** +Checks if there are enough pages in the free list of the ibuf tree that we +dare to start a pessimistic insert to the insert buffer. +@return TRUE if enough free pages in list */ +UNIV_INLINE +ibool +ibuf_data_enough_free_for_insert(void) +/*==================================*/ +{ + ut_ad(mutex_own(&ibuf_mutex)); + + /* We want a big margin of free pages, because a B-tree can sometimes + grow in size also if records are deleted from it, as the node pointers + can change, and we must make sure that we are able to delete the + inserts buffered for pages that we read to the buffer pool, without + any risk of running out of free space in the insert buffer. */ + + return(ibuf->free_list_len >= (ibuf->size / 2) + 3 * ibuf->height); +} + +/*********************************************************************//** +Checks if there are enough pages in the free list of the ibuf tree that we +should remove them and free to the file space management. +@return TRUE if enough free pages in list */ +UNIV_INLINE +ibool +ibuf_data_too_much_free(void) +/*=========================*/ +{ + ut_ad(mutex_own(&ibuf_mutex)); + + return(ibuf->free_list_len >= 3 + (ibuf->size / 2) + 3 * ibuf->height); +} + +/*********************************************************************//** +Allocates a new page from the ibuf file segment and adds it to the free +list. +@return DB_SUCCESS, or DB_STRONG_FAIL if no space left */ +static +ulint +ibuf_add_free_page(void) +/*====================*/ +{ + mtr_t mtr; + page_t* header_page; + ulint flags; + ulint zip_size; + ulint page_no; + page_t* page; + page_t* root; + page_t* bitmap_page; + + mtr_start(&mtr); + + /* Acquire the fsp latch before the ibuf header, obeying the latching + order */ + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + header_page = ibuf_header_page_get(&mtr); + + /* Allocate a new page: NOTE that if the page has been a part of a + non-clustered index which has subsequently been dropped, then the + page may have buffered inserts in the insert buffer, and these + should be deleted from there. These get deleted when the page + allocation creates the page in buffer. Thus the call below may end + up calling the insert buffer routines and, as we yet have no latches + to insert buffer tree pages, these routines can run without a risk + of a deadlock. This is the reason why we created a special ibuf + header page apart from the ibuf tree. */ + + page_no = fseg_alloc_free_page( + header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, 0, FSP_UP, + &mtr); + + if (page_no == FIL_NULL) { + mtr_commit(&mtr); + + return(DB_STRONG_FAIL); + } + + { + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); + + + page = buf_block_get_frame(block); + } + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + + root = ibuf_tree_root_get(&mtr); + + /* Add the page to the free list and update the ibuf size data */ + + flst_add_last(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, &mtr); + + mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_IBUF_FREE_LIST, + MLOG_2BYTES, &mtr); + + ibuf->seg_size++; + ibuf->free_list_len++; + + /* Set the bit indicating that this page is now an ibuf tree page + (level 2 page) */ + + bitmap_page = ibuf_bitmap_get_map_page( + IBUF_SPACE_ID, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, TRUE, &mtr); + + mtr_commit(&mtr); + + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Removes a page from the free list and frees it to the fsp system. */ +static +void +ibuf_remove_free_page(void) +/*=======================*/ +{ + mtr_t mtr; + mtr_t mtr2; + page_t* header_page; + ulint flags; + ulint zip_size; + ulint page_no; + page_t* page; + page_t* root; + page_t* bitmap_page; + + mtr_start(&mtr); + + /* Acquire the fsp latch before the ibuf header, obeying the latching + order */ + mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); + zip_size = dict_table_flags_to_zip_size(flags); + + header_page = ibuf_header_page_get(&mtr); + + /* Prevent pessimistic inserts to insert buffer trees for a while */ + mutex_enter(&ibuf_pessimistic_insert_mutex); + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + + if (!ibuf_data_too_much_free()) { + + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + mutex_exit(&ibuf_pessimistic_insert_mutex); + + mtr_commit(&mtr); + + return; + } + + mtr_start(&mtr2); + + root = ibuf_tree_root_get(&mtr2); + + page_no = flst_get_last(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + &mtr2).page; + + /* NOTE that we must release the latch on the ibuf tree root + because in fseg_free_page we access level 1 pages, and the root + is a level 2 page. */ + + mtr_commit(&mtr2); + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + /* Since pessimistic inserts were prevented, we know that the + page is still in the free list. NOTE that also deletes may take + pages from the free list, but they take them from the start, and + the free list was so long that they cannot have taken the last + page from it. */ + + fseg_free_page(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, + IBUF_SPACE_ID, page_no, &mtr); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + buf_page_reset_file_page_was_freed(IBUF_SPACE_ID, page_no); +#endif + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + + root = ibuf_tree_root_get(&mtr); + + ut_ad(page_no == flst_get_last(root + PAGE_HEADER + + PAGE_BTR_IBUF_FREE_LIST, &mtr).page); + + { + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + + page = buf_block_get_frame(block); + } + + /* Remove the page from the free list and update the ibuf size data */ + + flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, + page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, &mtr); + + ibuf->seg_size--; + ibuf->free_list_len--; + + mutex_exit(&ibuf_pessimistic_insert_mutex); + + /* Set the bit indicating that this page is no more an ibuf tree page + (level 2 page) */ + + bitmap_page = ibuf_bitmap_get_map_page( + IBUF_SPACE_ID, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, FALSE, &mtr); + +#ifdef UNIV_DEBUG_FILE_ACCESSES + buf_page_set_file_page_was_freed(IBUF_SPACE_ID, page_no); +#endif + mtr_commit(&mtr); + + mutex_exit(&ibuf_mutex); + + ibuf_exit(); +} + +/***********************************************************************//** +Frees excess pages from the ibuf free list. This function is called when an OS +thread calls fsp services to allocate a new file segment, or a new page to a +file segment, and the thread did not own the fsp latch before this call. */ +UNIV_INTERN +void +ibuf_free_excess_pages(void) +/*========================*/ +{ + ulint i; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(fil_space_get_latch(IBUF_SPACE_ID, NULL), + RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + ut_ad(rw_lock_get_x_lock_count( + fil_space_get_latch(IBUF_SPACE_ID, NULL)) == 1); + + ut_ad(!ibuf_inside()); + + /* NOTE: We require that the thread did not own the latch before, + because then we know that we can obey the correct latching order + for ibuf latches */ + + if (!ibuf) { + /* Not yet initialized; not sure if this is possible, but + does no harm to check for it. */ + + return; + } + + /* Free at most a few pages at a time, so that we do not delay the + requested service too much */ + + for (i = 0; i < 4; i++) { + + mutex_enter(&ibuf_mutex); + + if (!ibuf_data_too_much_free()) { + + mutex_exit(&ibuf_mutex); + + return; + } + + mutex_exit(&ibuf_mutex); + + ibuf_remove_free_page(); + } +} + +/*********************************************************************//** +Reads page numbers from a leaf in an ibuf tree. +@return a lower limit for the combined volume of records which will be +merged */ +static +ulint +ibuf_get_merge_page_nos( +/*====================*/ + ibool contract,/*!< in: TRUE if this function is called to + contract the tree, FALSE if this is called + when a single page becomes full and we look + if it pays to read also nearby pages */ + rec_t* rec, /*!< in: record from which we read up and down + in the chain of records */ + ulint* space_ids,/*!< in/out: space id's of the pages */ + ib_int64_t* space_versions,/*!< in/out: tablespace version + timestamps; used to prevent reading in old + pages after DISCARD + IMPORT tablespace */ + ulint* page_nos,/*!< in/out: buffer for at least + IBUF_MAX_N_PAGES_MERGED many page numbers; + the page numbers are in an ascending order */ + ulint* n_stored)/*!< out: number of page numbers stored to + page_nos in this function */ +{ + ulint prev_page_no; + ulint prev_space_id; + ulint first_page_no; + ulint first_space_id; + ulint rec_page_no; + ulint rec_space_id; + ulint sum_volumes; + ulint volume_for_page; + ulint rec_volume; + ulint limit; + ulint n_pages; + + *n_stored = 0; + + limit = ut_min(IBUF_MAX_N_PAGES_MERGED, buf_pool->curr_size / 4); + + if (page_rec_is_supremum(rec)) { + + rec = page_rec_get_prev(rec); + } + + if (page_rec_is_infimum(rec)) { + + rec = page_rec_get_next(rec); + } + + if (page_rec_is_supremum(rec)) { + + return(0); + } + + first_page_no = ibuf_rec_get_page_no(rec); + first_space_id = ibuf_rec_get_space(rec); + n_pages = 0; + prev_page_no = 0; + prev_space_id = 0; + + /* Go backwards from the first rec until we reach the border of the + 'merge area', or the page start or the limit of storeable pages is + reached */ + + while (!page_rec_is_infimum(rec) && UNIV_LIKELY(n_pages < limit)) { + + rec_page_no = ibuf_rec_get_page_no(rec); + rec_space_id = ibuf_rec_get_space(rec); + + if (rec_space_id != first_space_id + || (rec_page_no / IBUF_MERGE_AREA) + != (first_page_no / IBUF_MERGE_AREA)) { + + break; + } + + if (rec_page_no != prev_page_no + || rec_space_id != prev_space_id) { + n_pages++; + } + + prev_page_no = rec_page_no; + prev_space_id = rec_space_id; + + rec = page_rec_get_prev(rec); + } + + rec = page_rec_get_next(rec); + + /* At the loop start there is no prev page; we mark this with a pair + of space id, page no (0, 0) for which there can never be entries in + the insert buffer */ + + prev_page_no = 0; + prev_space_id = 0; + sum_volumes = 0; + volume_for_page = 0; + + while (*n_stored < limit) { + if (page_rec_is_supremum(rec)) { + /* When no more records available, mark this with + another 'impossible' pair of space id, page no */ + rec_page_no = 1; + rec_space_id = 0; + } else { + rec_page_no = ibuf_rec_get_page_no(rec); + rec_space_id = ibuf_rec_get_space(rec); + ut_ad(rec_page_no > IBUF_TREE_ROOT_PAGE_NO); + } + +#ifdef UNIV_IBUF_DEBUG + ut_a(*n_stored < IBUF_MAX_N_PAGES_MERGED); +#endif + if ((rec_space_id != prev_space_id + || rec_page_no != prev_page_no) + && (prev_space_id != 0 || prev_page_no != 0)) { + + if ((prev_page_no == first_page_no + && prev_space_id == first_space_id) + || contract + || (volume_for_page + > ((IBUF_MERGE_THRESHOLD - 1) + * 4 * UNIV_PAGE_SIZE + / IBUF_PAGE_SIZE_PER_FREE_SPACE) + / IBUF_MERGE_THRESHOLD)) { + + space_ids[*n_stored] = prev_space_id; + space_versions[*n_stored] + = fil_space_get_version(prev_space_id); + page_nos[*n_stored] = prev_page_no; + + (*n_stored)++; + + sum_volumes += volume_for_page; + } + + if (rec_space_id != first_space_id + || rec_page_no / IBUF_MERGE_AREA + != first_page_no / IBUF_MERGE_AREA) { + + break; + } + + volume_for_page = 0; + } + + if (rec_page_no == 1 && rec_space_id == 0) { + /* Supremum record */ + + break; + } + + rec_volume = ibuf_rec_get_volume(rec); + + volume_for_page += rec_volume; + + prev_page_no = rec_page_no; + prev_space_id = rec_space_id; + + rec = page_rec_get_next(rec); + } + +#ifdef UNIV_IBUF_DEBUG + ut_a(*n_stored <= IBUF_MAX_N_PAGES_MERGED); +#endif +#if 0 + fprintf(stderr, "Ibuf merge batch %lu pages %lu volume\n", + *n_stored, sum_volumes); +#endif + return(sum_volumes); +} + +/*********************************************************************//** +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ +static +ulint +ibuf_contract_ext( +/*==============*/ + ulint* n_pages,/*!< out: number of pages to which merged */ + ibool sync) /*!< in: TRUE if the caller wants to wait for the + issued read with the highest tablespace address + to complete */ +{ + btr_pcur_t pcur; + ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; + ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; + ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; + ulint n_stored; + ulint sum_sizes; + mtr_t mtr; + + *n_pages = 0; + ut_ad(!ibuf_inside()); + + mutex_enter(&ibuf_mutex); + + if (ibuf->empty) { +ibuf_is_empty: + mutex_exit(&ibuf_mutex); + +#if 0 /* TODO */ + if (srv_shutdown_state) { + /* If the insert buffer becomes empty during + shutdown, note it in the system tablespace. */ + + trx_sys_set_ibuf_format(TRX_SYS_IBUF_EMPTY); + } + + /* TO DO: call trx_sys_set_ibuf_format() at startup + and whenever ibuf_use is changed to allow buffered + delete-marking or deleting. Never downgrade the + stamped format except when the insert buffer becomes + empty. */ +#endif + + return(0); + } + + mtr_start(&mtr); + + ibuf_enter(); + + /* Open a cursor to a randomly chosen leaf of the tree, at a random + position within the leaf */ + + btr_pcur_open_at_rnd_pos(ibuf->index, BTR_SEARCH_LEAF, &pcur, &mtr); + + if (page_get_n_recs(btr_pcur_get_page(&pcur)) == 0) { + /* When the ibuf tree is emptied completely, the last record + is removed using an optimistic delete and ibuf_size_update + is not called, causing ibuf->empty to remain FALSE. If we do + not reset it to TRUE here then database shutdown will hang + in the loop in ibuf_contract_for_n_pages. */ + + ibuf->empty = TRUE; + + ibuf_exit(); + + mtr_commit(&mtr); + btr_pcur_close(&pcur); + + goto ibuf_is_empty; + } + + mutex_exit(&ibuf_mutex); + + sum_sizes = ibuf_get_merge_page_nos(TRUE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, + page_nos, &n_stored); +#if 0 /* defined UNIV_IBUF_DEBUG */ + fprintf(stderr, "Ibuf contract sync %lu pages %lu volume %lu\n", + sync, n_stored, sum_sizes); +#endif + ibuf_exit(); + + mtr_commit(&mtr); + btr_pcur_close(&pcur); + + buf_read_ibuf_merge_pages(sync, space_ids, space_versions, page_nos, + n_stored); + *n_pages = n_stored; + + return(sum_sizes + 1); +} + +/*********************************************************************//** +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ +UNIV_INTERN +ulint +ibuf_contract( +/*==========*/ + ibool sync) /*!< in: TRUE if the caller wants to wait for the + issued read with the highest tablespace address + to complete */ +{ + ulint n_pages; + + return(ibuf_contract_ext(&n_pages, sync)); +} + +/*********************************************************************//** +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ +UNIV_INTERN +ulint +ibuf_contract_for_n_pages( +/*======================*/ + ibool sync, /*!< in: TRUE if the caller wants to wait for the + issued read with the highest tablespace address + to complete */ + ulint n_pages)/*!< in: try to read at least this many pages to + the buffer pool and merge the ibuf contents to + them */ +{ + ulint sum_bytes = 0; + ulint sum_pages = 0; + ulint n_bytes; + ulint n_pag2; + + while (sum_pages < n_pages) { + n_bytes = ibuf_contract_ext(&n_pag2, sync); + + if (n_bytes == 0) { + return(sum_bytes); + } + + sum_bytes += n_bytes; + sum_pages += n_pag2; + } + + return(sum_bytes); +} + +/*********************************************************************//** +Contract insert buffer trees after insert if they are too big. */ +UNIV_INLINE +void +ibuf_contract_after_insert( +/*=======================*/ + ulint entry_size) /*!< in: size of a record which was inserted + into an ibuf tree */ +{ + ibool sync; + ulint sum_sizes; + ulint size; + + mutex_enter(&ibuf_mutex); + + if (ibuf->size < ibuf->max_size + IBUF_CONTRACT_ON_INSERT_NON_SYNC) { + mutex_exit(&ibuf_mutex); + + return; + } + + sync = FALSE; + + if (ibuf->size >= ibuf->max_size + IBUF_CONTRACT_ON_INSERT_SYNC) { + + sync = TRUE; + } + + mutex_exit(&ibuf_mutex); + + /* Contract at least entry_size many bytes */ + sum_sizes = 0; + size = 1; + + while ((size > 0) && (sum_sizes < entry_size)) { + + size = ibuf_contract(sync); + sum_sizes += size; + } +} + +/*********************************************************************//** +Determine if an insert buffer record has been encountered already. +@return TRUE if a new record, FALSE if possible duplicate */ +static +ibool +ibuf_get_volume_buffered_hash( +/*==========================*/ + const rec_t* rec, /*!< in: ibuf record in post-4.1 format */ + const byte* types, /*!< in: fields */ + const byte* data, /*!< in: start of user record data */ + ulint comp, /*!< in: 0=ROW_FORMAT=REDUNDANT, + nonzero=ROW_FORMAT=COMPACT */ + byte* hash, /*!< in/out: hash array */ + ulint size) /*!< in: size of hash array, in bytes */ +{ + ulint len; + ulint fold; + ulint bitmask; + + len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, + FALSE, comp); + fold = ut_fold_binary(data, len); + + hash += (fold / 8) % size; + bitmask = 1 << (fold % 8); + + if (*hash & bitmask) { + + return(FALSE); + } + + /* We have not seen this record yet. Insert it. */ + *hash |= bitmask; + + return(TRUE); +} + +/*********************************************************************//** +Update the estimate of the number of records on a page, and +get the space taken by merging the buffered record to the index page. +@return size of index record in bytes + an upper limit of the space +taken in the page directory */ +static +ulint +ibuf_get_volume_buffered_count( +/*===========================*/ + const rec_t* rec, /*!< in: insert buffer record */ + byte* hash, /*!< in/out: hash array */ + ulint size, /*!< in: size of hash array, in bytes */ + lint* n_recs) /*!< in/out: estimated number of records + on the page that rec points to */ +{ + ulint len; + ibuf_op_t ibuf_op; + const byte* types; + ulint n_fields = rec_get_n_fields_old(rec); + + ut_ad(ibuf_inside()); + ut_ad(n_fields > 4); + n_fields -= 4; + + rec_get_nth_field_offs_old(rec, 1, &len); + /* This function is only invoked when buffering new + operations. All pre-4.1 records should have been merged + when the database was started up. */ + ut_a(len == 1); + ut_ad(trx_sys_multiple_tablespace_format); + + types = rec_get_nth_field_old(rec, 3, &len); + + switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, + IBUF_REC_INFO_SIZE)) { + default: + ut_error; + case 0: + /* This ROW_TYPE=REDUNDANT record does not include an + operation counter. Exclude it from the *n_recs, + because deletes cannot be buffered if there are + old-style inserts buffered for the page. */ + + len = ibuf_rec_get_size(rec, types, n_fields, FALSE, 0); + + return(len + + rec_get_converted_extra_size(len, n_fields, 0) + + page_dir_calc_reserved_space(1)); + case 1: + /* This ROW_TYPE=COMPACT record does not include an + operation counter. Exclude it from the *n_recs, + because deletes cannot be buffered if there are + old-style inserts buffered for the page. */ + goto get_volume_comp; + + case IBUF_REC_INFO_SIZE: + ibuf_op = (ibuf_op_t) types[IBUF_REC_OFFSET_TYPE]; + types += IBUF_REC_INFO_SIZE; + break; + } + + switch (ibuf_op) { + case IBUF_OP_INSERT: + /* Inserts can be done by + btr_cur_set_deleted_flag_for_ibuf(). Because + delete-mark and insert operations can be pointing to + the same records, we must not count duplicates. */ + case IBUF_OP_DELETE_MARK: + /* There must be a record to delete-mark. + See if this record has been already buffered. */ + if (n_recs && ibuf_get_volume_buffered_hash( + rec, types + IBUF_REC_INFO_SIZE, + types + len, + types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT, + hash, size)) { + (*n_recs)++; + } + + if (ibuf_op == IBUF_OP_DELETE_MARK) { + /* Setting the delete-mark flag does not + affect the available space on the page. */ + return(0); + } + break; + case IBUF_OP_DELETE: + /* A record will be removed from the page. */ + if (n_recs) { + (*n_recs)--; + } + /* While deleting a record actually frees up space, + we have to play it safe and pretend that it takes no + additional space (the record might not exist, etc.). */ + return(0); + default: + ut_error; + } + + ut_ad(ibuf_op == IBUF_OP_INSERT); + +get_volume_comp: + { + dtuple_t* entry; + ulint volume; + dict_index_t* dummy_index; + mem_heap_t* heap = mem_heap_create(500); + + entry = ibuf_build_entry_from_ibuf_rec( + rec, heap, &dummy_index); + + volume = rec_get_converted_size(dummy_index, entry, 0); + + ibuf_dummy_index_free(dummy_index); + mem_heap_free(heap); + + return(volume + page_dir_calc_reserved_space(1)); + } +} + +/*********************************************************************//** +Gets an upper limit for the combined size of entries buffered in the insert +buffer for a given page. +@return upper limit for the volume of buffered inserts for the index +page, in bytes; UNIV_PAGE_SIZE, if the entries for the index page span +several pages in the insert buffer */ +static +ulint +ibuf_get_volume_buffered( +/*=====================*/ + btr_pcur_t* pcur, /*!< in: pcur positioned at a place in an + insert buffer tree where we would insert an + entry for the index page whose number is + page_no, latch mode has to be BTR_MODIFY_PREV + or BTR_MODIFY_TREE */ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: page number of an index page */ + lint* n_recs, /*!< in/out: minimum number of records on the + page after the buffered changes have been + applied, or NULL to disable the counting */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint volume; + rec_t* rec; + page_t* page; + ulint prev_page_no; + page_t* prev_page; + ulint next_page_no; + page_t* next_page; + byte hash_bitmap[128]; /* bitmap of buffered records */ + + ut_a(trx_sys_multiple_tablespace_format); + + ut_ad((pcur->latch_mode == BTR_MODIFY_PREV) + || (pcur->latch_mode == BTR_MODIFY_TREE)); + + /* Count the volume of inserts earlier in the alphabetical order than + pcur */ + + volume = 0; + + if (n_recs) { + memset(hash_bitmap, 0, sizeof hash_bitmap); + } + + rec = btr_pcur_get_rec(pcur); + page = page_align(rec); + + if (page_rec_is_supremum(rec)) { + rec = page_rec_get_prev(rec); + } + + for (;;) { + if (page_rec_is_infimum(rec)) { + + break; + } + + if (page_no != ibuf_rec_get_page_no(rec) + || space != ibuf_rec_get_space(rec)) { + + goto count_later; + } + + volume += ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + + rec = page_rec_get_prev(rec); + } + + /* Look at the previous page */ + + prev_page_no = btr_page_get_prev(page, mtr); + + if (prev_page_no == FIL_NULL) { + + goto count_later; + } + + { + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, prev_page_no, RW_X_LATCH, mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + + prev_page = buf_block_get_frame(block); + } + +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_next(prev_page, mtr) + == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + rec = page_get_supremum_rec(prev_page); + rec = page_rec_get_prev(rec); + + for (;;) { + if (page_rec_is_infimum(rec)) { + + /* We cannot go to yet a previous page, because we + do not have the x-latch on it, and cannot acquire one + because of the latching order: we have to give up */ + + return(UNIV_PAGE_SIZE); + } + + if (page_no != ibuf_rec_get_page_no(rec) + || space != ibuf_rec_get_space(rec)) { + + goto count_later; + } + + volume += ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + + rec = page_rec_get_prev(rec); + } + +count_later: + rec = btr_pcur_get_rec(pcur); + + if (!page_rec_is_supremum(rec)) { + rec = page_rec_get_next(rec); + } + + for (;;) { + if (page_rec_is_supremum(rec)) { + + break; + } + + if (page_no != ibuf_rec_get_page_no(rec) + || space != ibuf_rec_get_space(rec)) { + + return(volume); + } + + volume += ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + + rec = page_rec_get_next(rec); + } + + /* Look at the next page */ + + next_page_no = btr_page_get_next(page, mtr); + + if (next_page_no == FIL_NULL) { + + return(volume); + } + + { + buf_block_t* block; + + block = buf_page_get( + IBUF_SPACE_ID, 0, next_page_no, RW_X_LATCH, mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + + next_page = buf_block_get_frame(block); + } + +#ifdef UNIV_BTR_DEBUG + ut_a(btr_page_get_prev(next_page, mtr) == page_get_page_no(page)); +#endif /* UNIV_BTR_DEBUG */ + + rec = page_get_infimum_rec(next_page); + rec = page_rec_get_next(rec); + + for (;;) { + if (page_rec_is_supremum(rec)) { + + /* We give up */ + + return(UNIV_PAGE_SIZE); + } + + if (page_no != ibuf_rec_get_page_no(rec) + || space != ibuf_rec_get_space(rec)) { + + return(volume); + } + + volume += ibuf_get_volume_buffered_count( + rec, hash_bitmap, sizeof hash_bitmap, n_recs); + + rec = page_rec_get_next(rec); + } +} + +/*********************************************************************//** +Reads the biggest tablespace id from the high end of the insert buffer +tree and updates the counter in fil_system. */ +UNIV_INTERN +void +ibuf_update_max_tablespace_id(void) +/*===============================*/ +{ + ulint max_space_id; + const rec_t* rec; + const byte* field; + ulint len; + btr_pcur_t pcur; + mtr_t mtr; + + ut_a(!dict_table_is_comp(ibuf->index->table)); + + ibuf_enter(); + + mtr_start(&mtr); + + btr_pcur_open_at_index_side( + FALSE, ibuf->index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + btr_pcur_move_to_prev(&pcur, &mtr); + + if (btr_pcur_is_before_first_on_page(&pcur)) { + /* The tree is empty */ + + max_space_id = 0; + } else { + rec = btr_pcur_get_rec(&pcur); + + field = rec_get_nth_field_old(rec, 0, &len); + + ut_a(len == 4); + + max_space_id = mach_read_from_4(field); + } + + mtr_commit(&mtr); + ibuf_exit(); + + /* printf("Maximum space id in insert buffer %lu\n", max_space_id); */ + + fil_set_max_space_id_if_bigger(max_space_id); +} + +/****************************************************************//** +Helper function for ibuf_set_entry_counter. Checks if rec is for (space, +page_no), and if so, reads counter value from it and returns that + 1. +Otherwise, returns 0. +@return new counter value, or 0 */ +static +ulint +ibuf_get_entry_counter_low( +/*=======================*/ + const rec_t* rec, /*!< in: insert buffer record */ + ulint space, /*!< in: space id */ + ulint page_no) /*!< in: page number */ +{ + ulint counter; + const byte* field; + ulint len; + + ut_ad(ibuf_inside()); + ut_ad(rec_get_n_fields_old(rec) > 2); + + field = rec_get_nth_field_old(rec, 1, &len); + + if (UNIV_UNLIKELY(len != 1)) { + /* pre-4.1 format */ + ut_a(trx_doublewrite_must_reset_space_ids); + ut_a(!trx_sys_multiple_tablespace_format); + + return(ULINT_UNDEFINED); + } + + ut_a(trx_sys_multiple_tablespace_format); + + /* Check the tablespace identifier. */ + field = rec_get_nth_field_old(rec, 0, &len); + ut_a(len == 4); + + if (mach_read_from_4(field) != space) { + + return(0); + } + + /* Check the page offset. */ + field = rec_get_nth_field_old(rec, 2, &len); + ut_a(len == 4); + + if (mach_read_from_4(field) != page_no) { + + return(0); + } + + /* Check if the record contains a counter field. */ + field = rec_get_nth_field_old(rec, 3, &len); + + switch (len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE) { + default: + ut_error; + case 0: /* ROW_FORMAT=REDUNDANT */ + case 1: /* ROW_FORMAT=COMPACT */ + return(ULINT_UNDEFINED); + + case IBUF_REC_INFO_SIZE: + counter = mach_read_from_2(field + IBUF_REC_OFFSET_COUNTER); + ut_a(counter < 0xFFFF); + return(counter + 1); + } +} + +/****************************************************************//** +Set the counter field in entry to the correct value based on the current +last record in ibuf for (space, page_no). +@return FALSE if we should abort this insertion to ibuf */ +static +ibool +ibuf_set_entry_counter( +/*===================*/ + dtuple_t* entry, /*!< in/out: entry to patch */ + ulint space, /*!< in: space id of entry */ + ulint page_no, /*!< in: page number of entry */ + btr_pcur_t* pcur, /*!< in: pcur positioned on the record + found by btr_pcur_open(.., entry, + PAGE_CUR_LE, ..., pcur, ...) */ + ibool is_optimistic, /*!< in: is this an optimistic insert */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint counter; + dfield_t* field; + byte* data; + + /* pcur points to either a user rec or to a page's infimum record. */ + + if (btr_pcur_is_on_user_rec(pcur)) { + + counter = ibuf_get_entry_counter_low( + btr_pcur_get_rec(pcur), space, page_no); + + if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { + /* The record lacks a counter field. + Such old records must be merged before + new records can be buffered. */ + + return(FALSE); + } + } else if (btr_pcur_is_before_first_in_tree(pcur, mtr)) { + /* Ibuf tree is either completely empty, or the insert + position is at the very first record of a non-empty tree. In + either case we have no previous records for (space, + page_no). */ + + counter = 0; + } else if (btr_pcur_is_before_first_on_page(pcur)) { + btr_cur_t* cursor = btr_pcur_get_btr_cur(pcur); + + if (cursor->low_match < 3) { + /* If low_match < 3, we know that the father node + pointer did not contain the searched for (space, + page_no), which means that the search ended on the + right page regardless of the counter value, and + since we're at the infimum record, there are no + existing records. */ + + counter = 0; + } else { + rec_t* rec; + const page_t* page; + buf_block_t* block; + page_t* prev_page; + ulint prev_page_no; + + ut_a(cursor->ibuf_cnt != ULINT_UNDEFINED); + + page = btr_pcur_get_page(pcur); + prev_page_no = btr_page_get_prev(page, mtr); + + ut_a(prev_page_no != FIL_NULL); + + block = buf_page_get( + IBUF_SPACE_ID, 0, prev_page_no, + RW_X_LATCH, mtr); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + + prev_page = buf_block_get_frame(block); + + rec = page_rec_get_prev( + page_get_supremum_rec(prev_page)); + + ut_ad(page_rec_is_user_rec(rec)); + + counter = ibuf_get_entry_counter_low( + rec, space, page_no); + + if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { + /* The record lacks a counter field. + Such old records must be merged before + new records can be buffered. */ + + return(FALSE); + } + + if (counter < cursor->ibuf_cnt) { + /* Search ended on the wrong page. */ + + if (is_optimistic) { + /* In an optimistic insert, we can + shift the insert position to the left + page, since it only needs an X-latch + on the page itself, which the + original search acquired for us. */ + + btr_cur_position( + ibuf->index, rec, block, + btr_pcur_get_btr_cur(pcur)); + } else { + /* We can't shift the insert + position to the left page in a + pessimistic insert since it would + require an X-latch on the left + page's left page, so we have to + abort. */ + + return(FALSE); + } + } else { + /* The counter field in the father node is + the same as we would insert; we don't know + whether the insert should go to this page or + the left page (the later fields can differ), + so refuse the insert. */ + + return(FALSE); + } + } + } + + /* Patch counter value in already built entry. */ + field = dtuple_get_nth_field(entry, 3); + data = dfield_get_data(field); + + mach_write_to_2(data + IBUF_REC_OFFSET_COUNTER, counter); + + return(TRUE); +} + +/*********************************************************************//** +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. +@return DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ +static +ulint +ibuf_insert_low( +/*============*/ + ulint mode, /*!< in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ + ibuf_op_t op, /*!< in: operation type */ + ibool no_counter, + /*!< in: TRUE=use 5.0.3 format; + FALSE=allow delete buffering */ + const dtuple_t* entry, /*!< in: index entry to insert */ + ulint entry_size, + /*!< in: rec_get_converted_size(index, entry) */ + dict_index_t* index, /*!< in: index where to insert; must not be + unique or clustered */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr) /*!< in: query thread */ +{ + big_rec_t* dummy_big_rec; + btr_pcur_t pcur; + btr_cur_t* cursor; + dtuple_t* ibuf_entry; + mem_heap_t* heap; + ulint buffered; + lint min_n_recs; + rec_t* ins_rec; + ibool old_bit_value; + page_t* bitmap_page; + page_t* root; + ulint err; + ibool do_merge; + ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; + ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; + ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; + ulint n_stored; + mtr_t mtr; + mtr_t bitmap_mtr; + + ut_a(!dict_index_is_clust(index)); + ut_ad(dtuple_check_typed(entry)); + ut_ad(ut_is_2pow(zip_size)); + ut_ad(!no_counter || op == IBUF_OP_INSERT); + ut_a(op < IBUF_OP_COUNT); + + ut_a(trx_sys_multiple_tablespace_format); + + do_merge = FALSE; + + mutex_enter(&ibuf_mutex); + + if (ibuf->size >= ibuf->max_size + IBUF_CONTRACT_DO_NOT_INSERT) { + /* Insert buffer is now too big, contract it but do not try + to insert */ + + mutex_exit(&ibuf_mutex); + +#ifdef UNIV_IBUF_DEBUG + fputs("Ibuf too big\n", stderr); +#endif + /* Use synchronous contract (== TRUE) */ + ibuf_contract(TRUE); + + return(DB_STRONG_FAIL); + } + + mutex_exit(&ibuf_mutex); + + if (mode == BTR_MODIFY_TREE) { + mutex_enter(&ibuf_pessimistic_insert_mutex); + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + + while (!ibuf_data_enough_free_for_insert()) { + + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + mutex_exit(&ibuf_pessimistic_insert_mutex); + + err = ibuf_add_free_page(); + + if (err == DB_STRONG_FAIL) { + + return(err); + } + + mutex_enter(&ibuf_pessimistic_insert_mutex); + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + } + } else { + ibuf_enter(); + } + + heap = mem_heap_create(512); + + /* Build the entry which contains the space id and the page number + as the first fields and the type information for other fields, and + which will be inserted to the insert buffer. Using a counter value + of 0xFFFF we find the last record for (space, page_no), from which + we can then read the counter value N and use N + 1 in the record we + insert. (We patch the ibuf_entry's counter field to the correct + value just before actually inserting the entry.) */ + + ibuf_entry = ibuf_entry_build( + op, index, entry, space, page_no, + no_counter ? ULINT_UNDEFINED : 0xFFFF, heap); + + /* Open a cursor to the insert buffer tree to calculate if we can add + the new entry to it without exceeding the free space limit for the + page. */ + + mtr_start(&mtr); + + btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); + + /* Find out the volume of already buffered inserts for the same index + page */ + min_n_recs = 0; + buffered = ibuf_get_volume_buffered(&pcur, space, page_no, + op == IBUF_OP_DELETE + ? &min_n_recs + : NULL, &mtr); + + if (op == IBUF_OP_DELETE + && (min_n_recs < 2 + || buf_pool_watch_occurred(space, page_no))) { + /* The page could become empty after the record is + deleted, or the page has been read in to the buffer + pool. Refuse to buffer the operation. */ + + /* The buffer pool watch is needed for IBUF_OP_DELETE + because of latching order considerations. We can + check buf_pool_watch_occurred() only after latching + the insert buffer B-tree pages that contain buffered + changes for the page. We never buffer IBUF_OP_DELETE, + unless some IBUF_OP_INSERT or IBUF_OP_DELETE_MARK have + been previously buffered for the page. Because there + are buffered operations for the page, the insert + buffer B-tree page latches held by mtr will guarantee + that no changes for the user page will be merged + before mtr_commit(&mtr). We must not mtr_commit(&mtr) + until after the IBUF_OP_DELETE has been buffered. */ + + err = DB_STRONG_FAIL; + + goto function_exit; + } + + /* After this point, the page could still be loaded to the + buffer pool, but we do not have to care about it, since we are + holding a latch on the insert buffer leaf page that contains + buffered changes for (space, page_no). If the page enters the + buffer pool, buf_page_io_complete() for (space, page_no) will + have to acquire a latch on the same insert buffer leaf page, + which it cannot do until we have buffered the IBUF_OP_DELETE + and done mtr_commit(&mtr) to release the latch. */ + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a((buffered == 0) || ibuf_count_get(space, page_no)); +#endif + mtr_start(&bitmap_mtr); + + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, + zip_size, &bitmap_mtr); + + /* We check if the index page is suitable for buffered entries */ + + if (buf_page_peek(space, page_no) + || lock_rec_expl_exist_on_page(space, page_no)) { + + goto bitmap_fail; + } + + if (op == IBUF_OP_INSERT) { + ulint bits = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, + &bitmap_mtr); + + if (buffered + entry_size + page_dir_calc_reserved_space(1) + > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { + /* Release the bitmap page latch early. */ + mtr_commit(&bitmap_mtr); + + /* It may not fit */ + do_merge = TRUE; + + ibuf_get_merge_page_nos( + FALSE, btr_pcur_get_rec(&pcur), + space_ids, space_versions, + page_nos, &n_stored); + + err = DB_STRONG_FAIL; + + goto function_exit; + } + } + + /* Patch correct counter value to the entry to insert. This can + change the insert position, which can result in the need to abort in + some cases. */ + if (!no_counter + && !ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, + mode == BTR_MODIFY_PREV, &mtr)) { +bitmap_fail: + err = DB_STRONG_FAIL; + + mtr_commit(&bitmap_mtr); + + goto function_exit; + } + + /* Set the bitmap bit denoting that the insert buffer contains + buffered entries for this index page, if the bit is not set yet */ + + old_bit_value = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_BUFFERED, &bitmap_mtr); + + if (!old_bit_value) { + ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, + IBUF_BITMAP_BUFFERED, TRUE, + &bitmap_mtr); + } + + mtr_commit(&bitmap_mtr); + + cursor = btr_pcur_get_btr_cur(&pcur); + + if (mode == BTR_MODIFY_PREV) { + err = btr_cur_optimistic_insert(BTR_NO_LOCKING_FLAG, cursor, + ibuf_entry, &ins_rec, + &dummy_big_rec, 0, thr, &mtr); + if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { + /* Update the page max trx id field */ + page_update_max_trx_id(btr_cur_get_block(cursor), NULL, + thr_get_trx(thr)->id, &mtr); + } + } else { + ut_ad(mode == BTR_MODIFY_TREE); + + /* We acquire an x-latch to the root page before the insert, + because a pessimistic insert releases the tree x-latch, + which would cause the x-latching of the root after that to + break the latching order. */ + + root = ibuf_tree_root_get(&mtr); + + err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG + | BTR_NO_UNDO_LOG_FLAG, + cursor, + ibuf_entry, &ins_rec, + &dummy_big_rec, 0, thr, &mtr); + if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { + /* Update the page max trx id field */ + page_update_max_trx_id(btr_cur_get_block(cursor), NULL, + thr_get_trx(thr)->id, &mtr); + } + + ibuf_size_update(root, &mtr); + } + +function_exit: +#ifdef UNIV_IBUF_COUNT_DEBUG + if (err == DB_SUCCESS) { + fprintf(stderr, + "Incrementing ibuf count of space %lu page %lu\n" + "from %lu by 1\n", space, page_no, + ibuf_count_get(space, page_no)); + + ibuf_count_set(space, page_no, + ibuf_count_get(space, page_no) + 1); + } +#endif + if (mode == BTR_MODIFY_TREE) { + + mutex_exit(&ibuf_mutex); + mutex_exit(&ibuf_pessimistic_insert_mutex); + } + + mtr_commit(&mtr); + btr_pcur_close(&pcur); + ibuf_exit(); + + mem_heap_free(heap); + + if (err == DB_SUCCESS) { + mutex_enter(&ibuf_mutex); + + ibuf->empty = FALSE; + + mutex_exit(&ibuf_mutex); + + if (mode == BTR_MODIFY_TREE) { + ibuf_contract_after_insert(entry_size); + } + } + + if (do_merge) { +#ifdef UNIV_IBUF_DEBUG + ut_a(n_stored <= IBUF_MAX_N_PAGES_MERGED); +#endif + buf_read_ibuf_merge_pages(FALSE, space_ids, space_versions, + page_nos, n_stored); + } + + return(err); +} + +/*********************************************************************//** +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. Does not do it if the index +is clustered or unique. +@return TRUE if success */ +UNIV_INTERN +ibool +ibuf_insert( +/*========*/ + ibuf_op_t op, /*!< in: operation type */ + const dtuple_t* entry, /*!< in: index entry to insert */ + dict_index_t* index, /*!< in: index where to insert */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + ulint entry_size; + ibool no_counter; + /* Read the settable global variable ibuf_use only once in + this function, so that we will have a consistent view of it. */ + ibuf_use_t use = ibuf_use; + + ut_a(trx_sys_multiple_tablespace_format); + ut_ad(dtuple_check_typed(entry)); + ut_ad(ut_is_2pow(zip_size)); + + ut_a(!dict_index_is_clust(index)); + + no_counter = use <= IBUF_USE_INSERT; + + switch (op) { + case IBUF_OP_INSERT: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_DELETE: + case IBUF_USE_DELETE_MARK: + return(FALSE); + case IBUF_USE_INSERT: + case IBUF_USE_INSERT_DELETE_MARK: + case IBUF_USE_ALL: + goto check_watch; + case IBUF_USE_COUNT: + break; + } + break; + case IBUF_OP_DELETE_MARK: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_INSERT: + return(FALSE); + case IBUF_USE_DELETE_MARK: + case IBUF_USE_DELETE: + case IBUF_USE_INSERT_DELETE_MARK: + case IBUF_USE_ALL: + ut_ad(!no_counter); + goto check_watch; + case IBUF_USE_COUNT: + break; + } + break; + case IBUF_OP_DELETE: + switch (use) { + case IBUF_USE_NONE: + case IBUF_USE_INSERT: + case IBUF_USE_INSERT_DELETE_MARK: + return(FALSE); + case IBUF_USE_DELETE_MARK: + case IBUF_USE_DELETE: + case IBUF_USE_ALL: + ut_ad(!no_counter); + goto skip_watch; + case IBUF_USE_COUNT: + break; + } + break; + case IBUF_OP_COUNT: + break; + } + + /* unknown op or use */ + ut_error; + +check_watch: + /* If a thread attempts to buffer an insert on a page while a + purge is in progress on the same page, the purge must not be + buffered, because it could remove a record that was + re-inserted later. For simplicity, we block the buffering of + all operations on a page that has a purge pending. + + We do not check this in the IBUF_OP_DELETE case, because that + would always trigger the buffer pool watch during purge and + thus prevent the buffering of delete operations. We assume + that the issuer of IBUF_OP_DELETE has called + buf_pool_watch_set(space, page_no). */ + + { + buf_page_t* bpage; + ulint fold = buf_page_address_fold(space, page_no); + + buf_pool_mutex_enter(); + bpage = buf_page_hash_get_low(space, page_no, fold); + buf_pool_mutex_exit(); + + if (UNIV_LIKELY_NULL(bpage)) { + /* A buffer pool watch has been set or the + page has been read into the buffer pool. + Do not buffer the request. If a purge operation + is being buffered, have this request executed + directly on the page in the buffer pool after the + buffered entries for this page have been merged. */ + return(FALSE); + } + } + +skip_watch: + entry_size = rec_get_converted_size(index, entry, 0); + + if (entry_size + >= page_get_free_space_of_empty(dict_table_is_comp(index->table)) + / 2) { + + return(FALSE); + } + + err = ibuf_insert_low(BTR_MODIFY_PREV, op, no_counter, + entry, entry_size, + index, space, zip_size, page_no, thr); + if (err == DB_FAIL) { + err = ibuf_insert_low(BTR_MODIFY_TREE, op, no_counter, + entry, entry_size, + index, space, zip_size, page_no, thr); + } + + if (err == DB_SUCCESS) { +#ifdef UNIV_IBUF_DEBUG + /* fprintf(stderr, "Ibuf insert for page no %lu of index %s\n", + page_no, index->name); */ +#endif + return(TRUE); + + } else { + ut_a(err == DB_STRONG_FAIL); + + return(FALSE); + } +} + +/********************************************************************//** +During merge, inserts to an index page a secondary index entry extracted +from the insert buffer. */ +static +void +ibuf_insert_to_index_page( +/*======================*/ + dtuple_t* entry, /*!< in: buffered entry to insert */ + buf_block_t* block, /*!< in/out: index page where the buffered entry + should be placed */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t page_cur; + ulint low_match; + page_t* page = buf_block_get_frame(block); + rec_t* rec; + page_t* bitmap_page; + ulint old_bits; + + ut_ad(ibuf_inside()); + ut_ad(dtuple_check_typed(entry)); + + if (UNIV_UNLIKELY(dict_table_is_comp(index->table) + != (ibool)!!page_is_comp(page))) { + fputs("InnoDB: Trying to insert a record from" + " the insert buffer to an index page\n" + "InnoDB: but the 'compact' flag does not match!\n", + stderr); + goto dump; + } + + rec = page_rec_get_next(page_get_infimum_rec(page)); + + if (page_rec_is_supremum(rec)) { + /* Empty pages can result from buffered delete operations. + The first record from the free list can be used to find the + father node. */ + rec = page_header_get_ptr(page, PAGE_FREE); + if (UNIV_UNLIKELY(rec == NULL)) { + fputs("InnoDB: Trying to insert a record from" + " the insert buffer to an index page\n" + "InnoDB: but the index page is empty!\n", + stderr); + goto dump; + } + } + + if (UNIV_UNLIKELY(rec_get_n_fields(rec, index) + != dtuple_get_n_fields(entry))) { + fputs("InnoDB: Trying to insert a record from" + " the insert buffer to an index page\n" + "InnoDB: but the number of fields does not match!\n", + stderr); +dump: + buf_page_print(page, 0); + + dtuple_print(stderr, entry); + + fputs("InnoDB: The table where where" + " this index record belongs\n" + "InnoDB: is now probably corrupt." + " Please run CHECK TABLE on\n" + "InnoDB: your tables.\n" + "InnoDB: Submit a detailed bug report to" + " http://bugs.mysql.com!\n", stderr); + + return; + } + + low_match = page_cur_search(block, index, entry, + PAGE_CUR_LE, &page_cur); + + if (low_match == dtuple_get_n_fields(entry)) { + page_zip_des_t* page_zip; + + rec = page_cur_get_rec(&page_cur); + page_zip = buf_block_get_page_zip(block); + + btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, FALSE, mtr); + } else { + rec = page_cur_tuple_insert(&page_cur, entry, index, 0, mtr); + + if (UNIV_LIKELY(rec != NULL)) { + return; + } + + /* If the record did not fit, reorganize */ + + btr_page_reorganize(block, index, mtr); + page_cur_search(block, index, entry, PAGE_CUR_LE, &page_cur); + + /* This time the record must fit */ + if (UNIV_UNLIKELY + (!page_cur_tuple_insert(&page_cur, entry, index, + 0, mtr))) { + ulint space; + ulint page_no; + ulint zip_size; + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: Insert buffer insert" + " fails; page free %lu," + " dtuple size %lu\n", + (ulong) page_get_max_insert_size( + page, 1), + (ulong) rec_get_converted_size( + index, entry, 0)); + fputs("InnoDB: Cannot insert index record ", + stderr); + dtuple_print(stderr, entry); + fputs("\nInnoDB: The table where" + " this index record belongs\n" + "InnoDB: is now probably corrupt." + " Please run CHECK TABLE on\n" + "InnoDB: that table.\n", stderr); + + space = page_get_space_id(page); + zip_size = buf_block_get_zip_size(block); + page_no = page_get_page_no(page); + + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, mtr); + old_bits = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, mtr); + + fprintf(stderr, + "InnoDB: space %lu, page %lu," + " zip_size %lu, bitmap bits %lu\n", + (ulong) space, (ulong) page_no, + (ulong) zip_size, (ulong) old_bits); + + fputs("InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", stderr); + } + } +} + +/****************************************************************//** +During merge, sets the delete mark on a record for a secondary index +entry. */ +static +void +ibuf_set_del_mark( +/*==============*/ + const dtuple_t* entry, /*!< in: entry */ + buf_block_t* block, /*!< in/out: block */ + const dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t page_cur; + ulint low_match; + + ut_ad(ibuf_inside()); + ut_ad(dtuple_check_typed(entry)); + + low_match = page_cur_search( + block, index, entry, PAGE_CUR_LE, &page_cur); + + if (low_match == dtuple_get_n_fields(entry)) { + rec_t* rec; + page_zip_des_t* page_zip; + + rec = page_cur_get_rec(&page_cur); + page_zip = page_cur_get_page_zip(&page_cur); + + btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, TRUE, mtr); + } else { + /* This can happen benignly in some situations. */ + } +} + +/****************************************************************//** +During merge, delete a record for a secondary index entry. */ +static +void +ibuf_delete( +/*========*/ + const dtuple_t* entry, /*!< in: entry */ + buf_block_t* block, /*!< in/out: block */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in/out: mtr; must be committed + before latching any further pages */ +{ + page_cur_t page_cur; + ulint low_match; + + ut_ad(ibuf_inside()); + ut_ad(dtuple_check_typed(entry)); + + low_match = page_cur_search( + block, index, entry, PAGE_CUR_LE, &page_cur); + + if (low_match == dtuple_get_n_fields(entry)) { + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + page_t* page = buf_block_get_frame(block); + rec_t* rec = page_cur_get_rec(&page_cur); + + /* TODO: the below should probably be a separate function, + it's a bastardized version of btr_cur_optimistic_delete. */ + + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + mem_heap_t* heap = NULL; + ulint max_ins_size; + + rec_offs_init(offsets_); + + offsets = rec_get_offsets( + rec, index, offsets, ULINT_UNDEFINED, &heap); + + /* Refuse to delete the last record. */ + ut_a(page_get_n_recs(page) > 1); + + /* The record should have been marked for deletion. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits(rec, page_is_comp(page))); + + lock_update_delete(block, rec); + + if (!page_zip) { + max_ins_size + = page_get_max_insert_size_after_reorganize( + page, 1); + } +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + page_cur_delete_rec(&page_cur, index, offsets, mtr); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (page_zip) { + ibuf_update_free_bits_zip(block, mtr); + } else { + ibuf_update_free_bits_low(block, max_ins_size, mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } else { + /* This can happen benignly in some situations: either when + we crashed at just the right time, or on database startup + when we redo some old log entries (due to worse stored + position granularity on disk than in memory). */ + } +} + +/*********************************************************************//** +Restores insert buffer tree cursor position +@return TRUE if the position was restored; FALSE if not */ +static __attribute__((nonnull)) +ibool +ibuf_restore_pos( +/*=============*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where the record + should belong */ + const dtuple_t* search_tuple, + /*!< in: search tuple for entries of page_no */ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor whose + position is to be restored */ + mtr_t* mtr) /*!< in/out: mini-transaction */ +{ + ut_ad(mode == BTR_MODIFY_LEAF || mode == BTR_MODIFY_TREE); + + if (btr_pcur_restore_position(mode, pcur, mtr)) { + + return(TRUE); + } + + if (fil_space_get_flags(space) == ULINT_UNDEFINED) { + /* The tablespace has been dropped. It is possible + that another thread has deleted the insert buffer + entry. Do not complain. */ + btr_pcur_commit_specify_mtr(pcur, mtr); + } else { + fprintf(stderr, + "InnoDB: ERROR: Submit the output to" + " http://bugs.mysql.com\n" + "InnoDB: ibuf cursor restoration fails!\n" + "InnoDB: ibuf record inserted to page %lu:%lu\n", + (ulong) space, (ulong) page_no); + fflush(stderr); + + rec_print_old(stderr, btr_pcur_get_rec(pcur)); + rec_print_old(stderr, pcur->old_rec); + dtuple_print(stderr, search_tuple); + + rec_print_old(stderr, + page_rec_get_next(btr_pcur_get_rec(pcur))); + fflush(stderr); + + btr_pcur_commit_specify_mtr(pcur, mtr); + + fputs("InnoDB: Validating insert buffer tree:\n", stderr); + if (!btr_validate_index(ibuf->index, NULL)) { + ut_error; + } + + fprintf(stderr, "InnoDB: ibuf tree ok\n"); + fflush(stderr); + } + + return(FALSE); +} + +/*********************************************************************//** +Deletes from ibuf the record on which pcur is positioned. If we have to +resort to a pessimistic delete, this function commits mtr and closes +the cursor. +@return TRUE if mtr was committed and pcur closed in this operation */ +static +ibool +ibuf_delete_rec( +/*============*/ + ulint space, /*!< in: space id */ + ulint page_no,/*!< in: index page number where the record + should belong */ + btr_pcur_t* pcur, /*!< in: pcur positioned on the record to + delete, having latch mode BTR_MODIFY_LEAF */ + const dtuple_t* search_tuple, + /*!< in: search tuple for entries of page_no */ + mtr_t* mtr) /*!< in: mtr */ +{ + ibool success; + page_t* root; + ulint err; + + ut_ad(ibuf_inside()); + ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); + ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); + ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); + + success = btr_cur_optimistic_delete(btr_pcur_get_btr_cur(pcur), mtr); + + if (success) { +#ifdef UNIV_IBUF_COUNT_DEBUG + fprintf(stderr, + "Decrementing ibuf count of space %lu page %lu\n" + "from %lu by 1\n", space, page_no, + ibuf_count_get(space, page_no)); + ibuf_count_set(space, page_no, + ibuf_count_get(space, page_no) - 1); +#endif + return(FALSE); + } + + ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); + ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); + ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); + + /* We have to resort to a pessimistic delete from ibuf */ + btr_pcur_store_position(pcur, mtr); + + btr_pcur_commit_specify_mtr(pcur, mtr); + + mutex_enter(&ibuf_mutex); + + mtr_start(mtr); + + if (!ibuf_restore_pos(space, page_no, search_tuple, + BTR_MODIFY_TREE, pcur, mtr)) { + + goto func_exit; + } + + root = ibuf_tree_root_get(mtr); + + btr_cur_pessimistic_delete(&err, TRUE, btr_pcur_get_btr_cur(pcur), + RB_NONE, mtr); + ut_a(err == DB_SUCCESS); + +#ifdef UNIV_IBUF_COUNT_DEBUG + ibuf_count_set(space, page_no, ibuf_count_get(space, page_no) - 1); +#endif + ibuf_size_update(root, mtr); + btr_pcur_commit_specify_mtr(pcur, mtr); + +func_exit: + btr_pcur_close(pcur); + + mutex_exit(&ibuf_mutex); + + return(TRUE); +} + +/*********************************************************************//** +When an index page is read from a disk to the buffer pool, this function +applies any buffered operations to the page and deletes the entries from the +insert buffer. If the page is not read, but created in the buffer pool, this +function deletes its buffered entries from the insert buffer; there can +exist entries for such a page if the page belonged to an index which +subsequently was dropped. */ +UNIV_INTERN +void +ibuf_merge_or_delete_for_page( +/*==========================*/ + buf_block_t* block, /*!< in: if page has been read from + disk, pointer to the page x-latched, + else NULL */ + ulint space, /*!< in: space id of the index page */ + ulint page_no,/*!< in: page number of the index page */ + ulint zip_size,/*!< in: compressed page size in bytes, + or 0 */ + ibool update_ibuf_bitmap)/*!< in: normally this is set + to TRUE, but if we have deleted or are + deleting the tablespace, then we + naturally do not want to update a + non-existent bitmap page */ +{ + mem_heap_t* heap; + btr_pcur_t pcur; + dtuple_t* search_tuple; +#ifdef UNIV_IBUF_DEBUG + ulint volume; +#endif + page_zip_des_t* page_zip = NULL; + ibool tablespace_being_deleted = FALSE; + ibool corruption_noticed = FALSE; + mtr_t mtr; + + /* Counts for merged & discarded operations. */ + ulint mops[IBUF_OP_COUNT]; + ulint dops[IBUF_OP_COUNT]; + + ut_ad(!block || buf_block_get_space(block) == space); + ut_ad(!block || buf_block_get_page_no(block) == page_no); + ut_ad(!block || buf_block_get_zip_size(block) == zip_size); + + if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE + || trx_sys_hdr_page(space, page_no)) { + return; + } + + /* We cannot refer to zip_size in the following, because + zip_size is passed as ULINT_UNDEFINED (it is unknown) when + buf_read_ibuf_merge_pages() is merging (discarding) changes + for a dropped tablespace. When block != NULL or + update_ibuf_bitmap is specified, the zip_size must be known. + That is why we will repeat the check below, with zip_size in + place of 0. Passing zip_size as 0 assumes that the + uncompressed page size always is a power-of-2 multiple of the + compressed page size. */ + + if (ibuf_fixed_addr_page(space, 0, page_no) + || fsp_descr_page(0, page_no)) { + return; + } + + if (UNIV_LIKELY(update_ibuf_bitmap)) { + ut_a(ut_is_2pow(zip_size)); + + if (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no)) { + return; + } + + /* If the following returns FALSE, we get the counter + incremented, and must decrement it when we leave this + function. When the counter is > 0, that prevents tablespace + from being dropped. */ + + tablespace_being_deleted = fil_inc_pending_ibuf_merges(space); + + if (UNIV_UNLIKELY(tablespace_being_deleted)) { + /* Do not try to read the bitmap page from space; + just delete the ibuf records for the page */ + + block = NULL; + update_ibuf_bitmap = FALSE; + } else { + page_t* bitmap_page; + + mtr_start(&mtr); + + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, &mtr); + + if (!ibuf_bitmap_page_get_bits(bitmap_page, page_no, + zip_size, + IBUF_BITMAP_BUFFERED, + &mtr)) { + /* No inserts buffered for this page */ + mtr_commit(&mtr); + + if (!tablespace_being_deleted) { + fil_decr_pending_ibuf_merges(space); + } + + return; + } + mtr_commit(&mtr); + } + } else if (block + && (ibuf_fixed_addr_page(space, zip_size, page_no) + || fsp_descr_page(zip_size, page_no))) { + + return; + } + + ibuf_enter(); + + heap = mem_heap_create(512); + + if (!trx_sys_multiple_tablespace_format) { + ut_a(trx_doublewrite_must_reset_space_ids); + search_tuple = ibuf_search_tuple_build(space, page_no, heap); + } else { + search_tuple = ibuf_new_search_tuple_build(space, page_no, + heap); + } + + if (block) { + /* Move the ownership of the x-latch on the page to this OS + thread, so that we can acquire a second x-latch on it. This + is needed for the insert operations to the index page to pass + the debug checks. */ + + rw_lock_x_lock_move_ownership(&(block->lock)); + page_zip = buf_block_get_page_zip(block); + + if (UNIV_UNLIKELY(fil_page_get_type(block->frame) + != FIL_PAGE_INDEX) + || UNIV_UNLIKELY(!page_is_leaf(block->frame))) { + + page_t* bitmap_page; + + corruption_noticed = TRUE; + + ut_print_timestamp(stderr); + + mtr_start(&mtr); + + fputs(" InnoDB: Dump of the ibuf bitmap page:\n", + stderr); + + bitmap_page = ibuf_bitmap_get_map_page(space, page_no, + zip_size, &mtr); + buf_page_print(bitmap_page, 0); + + mtr_commit(&mtr); + + fputs("\nInnoDB: Dump of the page:\n", stderr); + + buf_page_print(block->frame, 0); + + fprintf(stderr, + "InnoDB: Error: corruption in the tablespace." + " Bitmap shows insert\n" + "InnoDB: buffer records to page n:o %lu" + " though the page\n" + "InnoDB: type is %lu, which is" + " not an index leaf page!\n" + "InnoDB: We try to resolve the problem" + " by skipping the insert buffer\n" + "InnoDB: merge for this page." + " Please run CHECK TABLE on your tables\n" + "InnoDB: to determine if they are corrupt" + " after this.\n\n" + "InnoDB: Please submit a detailed bug report" + " to http://bugs.mysql.com\n\n", + (ulong) page_no, + (ulong) + fil_page_get_type(block->frame)); + } + } + + memset(mops, 0, sizeof(mops)); + memset(dops, 0, sizeof(dops)); + +#ifdef UNIV_IBUF_DEBUG + volume = 0; +#endif +loop: + mtr_start(&mtr); + + if (block) { + ibool success; + + success = buf_page_get_known_nowait( + RW_X_LATCH, block, + BUF_KEEP_OLD, __FILE__, __LINE__, &mtr); + + ut_a(success); + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + } + + /* Position pcur in the insert buffer at the first entry for this + index page */ + btr_pcur_open_on_user_rec( + ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, + &pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); + + goto reset_bit; + } + + for (;;) { + rec_t* rec; + + ut_ad(btr_pcur_is_on_user_rec(&pcur)); + + rec = btr_pcur_get_rec(&pcur); + + /* Check if the entry is for this index page */ + if (ibuf_rec_get_page_no(rec) != page_no + || ibuf_rec_get_space(rec) != space) { + + if (block) { + page_header_reset_last_insert( + block->frame, page_zip, &mtr); + } + + goto reset_bit; + } + + if (UNIV_UNLIKELY(corruption_noticed)) { + fputs("InnoDB: Discarding record\n ", stderr); + rec_print_old(stderr, rec); + fputs("\nInnoDB: from the insert buffer!\n\n", stderr); + } else if (block) { + /* Now we have at pcur a record which should be + inserted to the index page; NOTE that the call below + copies pointers to fields in rec, and we must + keep the latch to the rec page until the + insertion is finished! */ + dtuple_t* entry; + trx_id_t max_trx_id; + dict_index_t* dummy_index; + ibuf_op_t op = ibuf_rec_get_op_type(rec); + + max_trx_id = page_get_max_trx_id(page_align(rec)); + page_update_max_trx_id(block, page_zip, max_trx_id, + &mtr); + + entry = ibuf_build_entry_from_ibuf_rec( + rec, heap, &dummy_index); +#ifdef UNIV_IBUF_DEBUG + if (op == IBUF_OP_INSERT) { + + volume += rec_get_converted_size( + dummy_index, entry, 0); + + volume += page_dir_calc_reserved_space(1); + + ut_a(volume <= 4 * UNIV_PAGE_SIZE + / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } +#endif + switch (op) { + case IBUF_OP_INSERT: + ibuf_insert_to_index_page( + entry, block, dummy_index, &mtr); + break; + + case IBUF_OP_DELETE_MARK: + ibuf_set_del_mark( + entry, block, dummy_index, &mtr); + break; + + case IBUF_OP_DELETE: + ibuf_delete(entry, block, dummy_index, &mtr); + /* Because ibuf_delete() will latch an + insert buffer bitmap page, commit mtr + before latching any further pages. + Store and restore the cursor position. */ + ut_ad(rec == btr_pcur_get_rec(&pcur)); + ut_ad(page_rec_is_user_rec(rec)); + ut_ad(ibuf_rec_get_page_no(rec) == page_no); + ut_ad(ibuf_rec_get_space(rec) == space); + + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + mtr_start(&mtr); + + if (block) { + ibool success; + success = buf_page_get_known_nowait( + RW_X_LATCH, block, + BUF_KEEP_OLD, + __FILE__, __LINE__, &mtr); + ut_a(success); + + buf_block_dbg_add_level( + block, SYNC_TREE_NODE); + } + + if (!ibuf_restore_pos(space, page_no, + search_tuple, + BTR_MODIFY_LEAF, + &pcur, &mtr)) { + + mtr_commit(&mtr); + mops[op]++; + ibuf_dummy_index_free(dummy_index); + goto loop; + } + + break; + default: + ut_error; + } + + mops[op]++; + + ibuf_dummy_index_free(dummy_index); + } else { + dops[ibuf_rec_get_op_type(rec)]++; + } + + /* Delete the record from ibuf */ + if (ibuf_delete_rec(space, page_no, &pcur, search_tuple, + &mtr)) { + /* Deletion was pessimistic and mtr was committed: + we start from the beginning again */ + + goto loop; + } else if (btr_pcur_is_after_last_on_page(&pcur)) { + mtr_commit(&mtr); + btr_pcur_close(&pcur); + + goto loop; + } + } + +reset_bit: + if (UNIV_LIKELY(update_ibuf_bitmap)) { + page_t* bitmap_page; + + bitmap_page = ibuf_bitmap_get_map_page( + space, page_no, zip_size, &mtr); + + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_BUFFERED, FALSE, &mtr); + + if (block) { + ulint old_bits = ibuf_bitmap_page_get_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, &mtr); + + ulint new_bits = ibuf_index_page_calc_free( + zip_size, block); + + if (old_bits != new_bits) { + ibuf_bitmap_page_set_bits( + bitmap_page, page_no, zip_size, + IBUF_BITMAP_FREE, new_bits, &mtr); + } + } + } + + mtr_commit(&mtr); + btr_pcur_close(&pcur); + mem_heap_free(heap); + + /* Protect our statistics keeping from race conditions */ + mutex_enter(&ibuf_mutex); + + ibuf->n_merges++; + ibuf_add_ops(ibuf->n_merged_ops, mops); + ibuf_add_ops(ibuf->n_discarded_ops, dops); + + mutex_exit(&ibuf_mutex); + + if (update_ibuf_bitmap && !tablespace_being_deleted) { + + fil_decr_pending_ibuf_merges(space); + } + + ibuf_exit(); + +#ifdef UNIV_IBUF_COUNT_DEBUG + ut_a(ibuf_count_get(space, page_no) == 0); +#endif +} + +/*********************************************************************//** +Deletes all entries in the insert buffer for a given space id. This is used +in DISCARD TABLESPACE and IMPORT TABLESPACE. +NOTE: this does not update the page free bitmaps in the space. The space will +become CORRUPT when you call this function! */ +UNIV_INTERN +void +ibuf_delete_for_discarded_space( +/*============================*/ + ulint space) /*!< in: space id */ +{ + mem_heap_t* heap; + btr_pcur_t pcur; + dtuple_t* search_tuple; + rec_t* ibuf_rec; + ulint page_no; + ibool closed; + mtr_t mtr; + + /* Counts for discarded operations. */ + ulint dops[IBUF_OP_COUNT]; + + heap = mem_heap_create(512); + + /* Use page number 0 to build the search tuple so that we get the + cursor positioned at the first entry for this space id */ + + search_tuple = ibuf_new_search_tuple_build(space, 0, heap); + + memset(dops, 0, sizeof(dops)); +loop: + ibuf_enter(); + + mtr_start(&mtr); + + /* Position pcur in the insert buffer at the first entry for the + space */ + btr_pcur_open_on_user_rec( + ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, + &pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); + + goto leave_loop; + } + + for (;;) { + ut_ad(btr_pcur_is_on_user_rec(&pcur)); + + ibuf_rec = btr_pcur_get_rec(&pcur); + + /* Check if the entry is for this space */ + if (ibuf_rec_get_space(ibuf_rec) != space) { + + goto leave_loop; + } + + page_no = ibuf_rec_get_page_no(ibuf_rec); + + dops[ibuf_rec_get_op_type(ibuf_rec)]++; + + /* Delete the record from ibuf */ + closed = ibuf_delete_rec(space, page_no, &pcur, search_tuple, + &mtr); + if (closed) { + /* Deletion was pessimistic and mtr was committed: + we start from the beginning again */ + + ibuf_exit(); + + goto loop; + } + + if (btr_pcur_is_after_last_on_page(&pcur)) { + mtr_commit(&mtr); + btr_pcur_close(&pcur); + + ibuf_exit(); + + goto loop; + } + } + +leave_loop: + mtr_commit(&mtr); + btr_pcur_close(&pcur); + + /* Protect our statistics keeping from race conditions */ + mutex_enter(&ibuf_mutex); + ibuf_add_ops(ibuf->n_discarded_ops, dops); + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + mem_heap_free(heap); +} + +/******************************************************************//** +Looks if the insert buffer is empty. +@return TRUE if empty */ +UNIV_INTERN +ibool +ibuf_is_empty(void) +/*===============*/ +{ + ibool is_empty; + const page_t* root; + mtr_t mtr; + + ibuf_enter(); + + mutex_enter(&ibuf_mutex); + + mtr_start(&mtr); + + root = ibuf_tree_root_get(&mtr); + + if (page_get_n_recs(root) == 0) { + + is_empty = TRUE; + + if (ibuf->empty == FALSE) { + fprintf(stderr, + "InnoDB: Warning: insert buffer tree is empty" + " but the data struct does not\n" + "InnoDB: know it. This condition is legal" + " if the master thread has not yet\n" + "InnoDB: run to completion.\n"); + } + } else { + ut_a(ibuf->empty == FALSE); + + is_empty = FALSE; + } + + mtr_commit(&mtr); + + mutex_exit(&ibuf_mutex); + + ibuf_exit(); + + return(is_empty); +} + +/******************************************************************//** +Prints info of ibuf. */ +UNIV_INTERN +void +ibuf_print( +/*=======*/ + FILE* file) /*!< in: file where to print */ +{ +#ifdef UNIV_IBUF_COUNT_DEBUG + ulint i; + ulint j; +#endif + + mutex_enter(&ibuf_mutex); + + fprintf(file, + "Ibuf: size %lu, free list len %lu," + " seg size %lu, %lu merges\n", + (ulong) ibuf->size, + (ulong) ibuf->free_list_len, + (ulong) ibuf->seg_size, + (ulong) ibuf->n_merges); + + fputs("merged operations:\n ", file); + ibuf_print_ops(ibuf->n_merged_ops, file); + + fputs("discarded operations:\n ", file); + ibuf_print_ops(ibuf->n_discarded_ops, file); + +#ifdef UNIV_IBUF_COUNT_DEBUG + for (i = 0; i < IBUF_COUNT_N_SPACES; i++) { + for (j = 0; j < IBUF_COUNT_N_PAGES; j++) { + ulint count = ibuf_count_get(i, j); + + if (count > 0) { + fprintf(stderr, + "Ibuf count for space/page %lu/%lu" + " is %lu\n", + (ulong) i, (ulong) j, (ulong) count); + } + } + } +#endif /* UNIV_IBUF_COUNT_DEBUG */ + + mutex_exit(&ibuf_mutex); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0btr.h b/perfschema/include/btr0btr.h new file mode 100644 index 00000000000..cc4063cc32c --- /dev/null +++ b/perfschema/include/btr0btr.h @@ -0,0 +1,528 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0btr.h +The B-tree + +Created 6/2/1994 Heikki Tuuri +*******************************************************/ + +#ifndef btr0btr_h +#define btr0btr_h + +#include "univ.i" + +#include "dict0dict.h" +#include "data0data.h" +#include "page0cur.h" +#include "mtr0mtr.h" +#include "btr0types.h" + +#ifndef UNIV_HOTBACKUP +/** Maximum record size which can be stored on a page, without using the +special big record storage structure */ +#define BTR_PAGE_MAX_REC_SIZE (UNIV_PAGE_SIZE / 2 - 200) + +/** @brief Maximum depth of a B-tree in InnoDB. + +Note that this isn't a maximum as such; none of the tree operations +avoid producing trees bigger than this. It is instead a "max depth +that other code must work with", useful for e.g. fixed-size arrays +that must store some information about each level in a tree. In other +words: if a B-tree with bigger depth than this is encountered, it is +not acceptable for it to lead to mysterious memory corruption, but it +is acceptable for the program to die with a clear assert failure. */ +#define BTR_MAX_LEVELS 100 + +/** Latching modes for btr_cur_search_to_nth_level(). */ +enum btr_latch_mode { + /** Search a record on a leaf page and S-latch it. */ + BTR_SEARCH_LEAF = RW_S_LATCH, + /** (Prepare to) modify a record on a leaf page and X-latch it. */ + BTR_MODIFY_LEAF = RW_X_LATCH, + /** Obtain no latches. */ + BTR_NO_LATCHES = RW_NO_LATCH, + /** Start modifying the entire B-tree. */ + BTR_MODIFY_TREE = 33, + /** Continue modifying the entire B-tree. */ + BTR_CONT_MODIFY_TREE = 34, + /** Search the previous record. */ + BTR_SEARCH_PREV = 35, + /** Modify the previous record. */ + BTR_MODIFY_PREV = 36 +}; + +/* BTR_INSERT, BTR_DELETE and BTR_DELETE_MARK are mutually exclusive. */ + +/** If this is ORed to btr_latch_mode, it means that the search tuple +will be inserted to the index, at the searched position. +When the record is not in the buffer pool, try to use the insert buffer. */ +#define BTR_INSERT 512 + +/** This flag ORed to btr_latch_mode says that we do the search in query +optimization */ +#define BTR_ESTIMATE 1024 + +/** This flag ORed to btr_latch_mode says that we can ignore possible +UNIQUE definition on secondary indexes when we decide if we can use +the insert buffer to speed up inserts */ +#define BTR_IGNORE_SEC_UNIQUE 2048 + +/** Try to delete mark the record at the searched position using the +insert/delete buffer when the record is not in the buffer pool. */ +#define BTR_DELETE_MARK 4096 + +/** Try to purge the record at the searched position using the insert/delete +buffer when the record is not in the buffer pool. */ +#define BTR_DELETE 8192 + +/**************************************************************//** +Gets the root node of a tree and x-latches it. +@return root page, x-latched */ +UNIV_INTERN +page_t* +btr_root_get( +/*=========*/ + dict_index_t* index, /*!< in: index tree */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Gets a buffer page and declares its latching order level. */ +UNIV_INLINE +buf_block_t* +btr_block_get( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Gets a buffer page and declares its latching order level. */ +UNIV_INLINE +page_t* +btr_page_get( +/*=========*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* !UNIV_HOTBACKUP */ +/**************************************************************//** +Gets the index id field of a page. +@return index id */ +UNIV_INLINE +dulint +btr_page_get_index_id( +/*==================*/ + const page_t* page); /*!< in: index page */ +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Gets the node level field in an index page. +@return level, leaf level == 0 */ +UNIV_INLINE +ulint +btr_page_get_level_low( +/*===================*/ + const page_t* page); /*!< in: index page */ +/********************************************************//** +Gets the node level field in an index page. +@return level, leaf level == 0 */ +UNIV_INLINE +ulint +btr_page_get_level( +/*===============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Gets the next index page number. +@return next page number */ +UNIV_INLINE +ulint +btr_page_get_next( +/*==============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Gets the previous index page number. +@return prev page number */ +UNIV_INLINE +ulint +btr_page_get_prev( +/*==============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/*************************************************************//** +Gets pointer to the previous user record in the tree. It is assumed +that the caller has appropriate latches on the page and its neighbor. +@return previous user record, NULL if there is none */ +UNIV_INTERN +rec_t* +btr_get_prev_user_rec( +/*==================*/ + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if + needed, also to the previous page */ +/*************************************************************//** +Gets pointer to the next user record in the tree. It is assumed +that the caller has appropriate latches on the page and its neighbor. +@return next user record, NULL if there is none */ +UNIV_INTERN +rec_t* +btr_get_next_user_rec( +/*==================*/ + rec_t* rec, /*!< in: record on leaf level */ + mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if + needed, also to the next page */ +/**************************************************************//** +Releases the latch on a leaf page and bufferunfixes it. */ +UNIV_INLINE +void +btr_leaf_page_release( +/*==================*/ + buf_block_t* block, /*!< in: buffer block */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or + BTR_MODIFY_LEAF */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Gets the child node file address in a node pointer. +NOTE: the offsets array must contain all offsets for the record since +we read the last field according to offsets and assume that it contains +the child page number. In other words offsets must have been retrieved +with rec_get_offsets(n_fields=ULINT_UNDEFINED). +@return child node address */ +UNIV_INLINE +ulint +btr_node_ptr_get_child_page_no( +/*===========================*/ + const rec_t* rec, /*!< in: node pointer record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/************************************************************//** +Creates the root node for a new index tree. +@return page number of the created root, FIL_NULL if did not succeed */ +UNIV_INTERN +ulint +btr_create( +/*=======*/ + ulint type, /*!< in: type of the index */ + ulint space, /*!< in: space where created */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + dulint index_id,/*!< in: index id */ + dict_index_t* index, /*!< in: index */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/************************************************************//** +Frees a B-tree except the root page, which MUST be freed after this +by calling btr_free_root. */ +UNIV_INTERN +void +btr_free_but_not_root( +/*==================*/ + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint root_page_no); /*!< in: root page number */ +/************************************************************//** +Frees the B-tree root page. Other tree MUST already have been freed. */ +UNIV_INTERN +void +btr_free_root( +/*==========*/ + ulint space, /*!< in: space where created */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint root_page_no, /*!< in: root page number */ + mtr_t* mtr); /*!< in: a mini-transaction which has already + been started */ +/*************************************************************//** +Makes tree one level higher by splitting the root, and inserts +the tuple. It is assumed that mtr contains an x-latch on the tree. +NOTE that the operation of this function must always succeed, +we cannot reverse it: therefore enough free disk space must be +guaranteed to be available before this function is called. +@return inserted record */ +UNIV_INTERN +rec_t* +btr_root_raise_and_insert( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert: must be + on the root page; when the function returns, + the cursor is positioned on the predecessor + of the inserted record */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Reorganizes an index page. +IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf +page of a non-clustered index, the caller must update the insert +buffer free bits in the same mini-transaction in such a way that the +modification will be redo-logged. +@return TRUE on success, FALSE on failure */ +UNIV_INTERN +ibool +btr_page_reorganize( +/*================*/ + buf_block_t* block, /*!< in: page to be reorganized */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Decides if the page should be split at the convergence point of +inserts converging to left. +@return TRUE if split recommended */ +UNIV_INTERN +ibool +btr_page_get_split_rec_to_left( +/*===========================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec);/*!< out: if split recommended, + the first record on upper half page, + or NULL if tuple should be first */ +/*************************************************************//** +Decides if the page should be split at the convergence point of +inserts converging to right. +@return TRUE if split recommended */ +UNIV_INTERN +ibool +btr_page_get_split_rec_to_right( +/*============================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert */ + rec_t** split_rec);/*!< out: if split recommended, + the first record on upper half page, + or NULL if tuple should be first */ +/*************************************************************//** +Splits an index page to halves and inserts the tuple. It is assumed +that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is +released within this function! NOTE that the operation of this +function must always succeed, we cannot reverse it: therefore enough +free disk space (2 pages) must be guaranteed to be available before +this function is called. + +@return inserted record */ +UNIV_INTERN +rec_t* +btr_page_split_and_insert( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor at which to insert; when the + function returns, the cursor is positioned + on the predecessor of the inserted record */ + const dtuple_t* tuple, /*!< in: tuple to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mtr */ +/*******************************************************//** +Inserts a data tuple to a tree on a non-leaf level. It is assumed +that mtr holds an x-latch on the tree. */ +UNIV_INTERN +void +btr_insert_on_non_leaf_level_func( +/*==============================*/ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: level, must be > 0 */ + dtuple_t* tuple, /*!< in: the record to be inserted */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +# define btr_insert_on_non_leaf_level(i,l,t,m) \ + btr_insert_on_non_leaf_level_func(i,l,t,__FILE__,__LINE__,m) +#endif /* !UNIV_HOTBACKUP */ +/****************************************************************//** +Sets a record as the predefined minimum record. */ +UNIV_INTERN +void +btr_set_min_rec_mark( +/*=================*/ + rec_t* rec, /*!< in/out: record */ + mtr_t* mtr); /*!< in: mtr */ +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Deletes on the upper level the node pointer to a page. */ +UNIV_INTERN +void +btr_node_ptr_delete( +/*================*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: page whose node pointer is deleted */ + mtr_t* mtr); /*!< in: mtr */ +#ifdef UNIV_DEBUG +/************************************************************//** +Checks that the node pointer to a page is appropriate. +@return TRUE */ +UNIV_INTERN +ibool +btr_check_node_ptr( +/*===============*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: index page */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* UNIV_DEBUG */ +/*************************************************************//** +Tries to merge the page first to the left immediate brother if such a +brother exists, and the node pointers to the current page and to the +brother reside on the same page. If the left brother does not satisfy these +conditions, looks at the right brother. If the page is the only one on that +level lifts the records of the page to the father page, thus reducing the +tree height. It is assumed that mtr holds an x-latch on the tree and on the +page. If cursor is on the leaf level, mtr must also hold x-latches to +the brothers, if they exist. +@return TRUE on success */ +UNIV_INTERN +ibool +btr_compress( +/*=========*/ + btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; + the page must not be empty: in record delete + use btr_discard_page if the page would become + empty */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Discards a page from a B-tree. This is used to remove the last record from +a B-tree page: the whole page must be removed at the same time. This cannot +be used for the root page, which is allowed to be empty. */ +UNIV_INTERN +void +btr_discard_page( +/*=============*/ + btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on + the root page */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* !UNIV_HOTBACKUP */ +/****************************************************************//** +Parses the redo log record for setting an index record as the predefined +minimum record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_parse_set_min_rec_mark( +/*=======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/***********************************************************//** +Parses a redo log record of reorganizing a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_parse_page_reorganize( +/*======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + dict_index_t* index, /*!< in: record descriptor */ + buf_block_t* block, /*!< in: page to be reorganized, or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +#ifndef UNIV_HOTBACKUP +/**************************************************************//** +Gets the number of pages in a B-tree. +@return number of pages */ +UNIV_INTERN +ulint +btr_get_size( +/*=========*/ + dict_index_t* index, /*!< in: index */ + ulint flag); /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ +/**************************************************************//** +Allocates a new file page to be used in an index tree. NOTE: we assume +that the caller has made the reservation for free extents! +@return new allocated block, x-latched; NULL if out of space */ +UNIV_INTERN +buf_block_t* +btr_page_alloc( +/*===========*/ + dict_index_t* index, /*!< in: index tree */ + ulint hint_page_no, /*!< in: hint of a good page */ + byte file_direction, /*!< in: direction where a possible + page split is made */ + ulint level, /*!< in: level where the page is placed + in the tree */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Frees a file page used in an index tree. NOTE: cannot free field external +storage pages because the page must contain info on its level. */ +UNIV_INTERN +void +btr_page_free( +/*==========*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Frees a file page used in an index tree. Can be used also to BLOB +external storage pages, because the page level 0 can be given as an +argument. */ +UNIV_INTERN +void +btr_page_free_low( +/*==============*/ + dict_index_t* index, /*!< in: index tree */ + buf_block_t* block, /*!< in: block to be freed, x-latched */ + ulint level, /*!< in: page level */ + mtr_t* mtr); /*!< in: mtr */ +#ifdef UNIV_BTR_PRINT +/*************************************************************//** +Prints size info of a B-tree. */ +UNIV_INTERN +void +btr_print_size( +/*===========*/ + dict_index_t* index); /*!< in: index tree */ +/**************************************************************//** +Prints directories and other info of all nodes in the index. */ +UNIV_INTERN +void +btr_print_index( +/*============*/ + dict_index_t* index, /*!< in: index */ + ulint width); /*!< in: print this many entries from start + and end */ +#endif /* UNIV_BTR_PRINT */ +/************************************************************//** +Checks the size and number of fields in a record based on the definition of +the index. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_index_rec_validate( +/*===================*/ + const rec_t* rec, /*!< in: index record */ + const dict_index_t* index, /*!< in: index */ + ibool dump_on_error); /*!< in: TRUE if the function + should print hex dump of record + and page on error */ +/**************************************************************//** +Checks the consistency of an index tree. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_validate_index( +/*===============*/ + dict_index_t* index, /*!< in: index */ + trx_t* trx); /*!< in: transaction or NULL */ + +#define BTR_N_LEAF_PAGES 1 +#define BTR_TOTAL_SIZE 2 +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "btr0btr.ic" +#endif + +#endif diff --git a/perfschema/include/btr0btr.ic b/perfschema/include/btr0btr.ic new file mode 100644 index 00000000000..4ec27117d85 --- /dev/null +++ b/perfschema/include/btr0btr.ic @@ -0,0 +1,314 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0btr.ic +The B-tree + +Created 6/2/1994 Heikki Tuuri +*******************************************************/ + +#include "mach0data.h" +#ifndef UNIV_HOTBACKUP +#include "mtr0mtr.h" +#include "mtr0log.h" +#include "page0zip.h" + +#define BTR_MAX_NODE_LEVEL 50 /*!< Maximum B-tree page level + (not really a hard limit). + Used in debug assertions + in btr_page_set_level and + btr_page_get_level_low */ + +/**************************************************************//** +Gets a buffer page and declares its latching order level. */ +UNIV_INLINE +buf_block_t* +btr_block_get( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + + block = buf_page_get(space, zip_size, page_no, mode, mtr); + + if (mode != RW_NO_LATCH) { + + buf_block_dbg_add_level(block, SYNC_TREE_NODE); + } + + return(block); +} + +/**************************************************************//** +Gets a buffer page and declares its latching order level. */ +UNIV_INLINE +page_t* +btr_page_get( +/*=========*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + ulint mode, /*!< in: latch mode */ + mtr_t* mtr) /*!< in: mtr */ +{ + return(buf_block_get_frame(btr_block_get(space, zip_size, page_no, + mode, mtr))); +} + +/**************************************************************//** +Sets the index id field of a page. */ +UNIV_INLINE +void +btr_page_set_index_id( +/*==================*/ + page_t* page, /*!< in: page to be created */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + dulint id, /*!< in: index id */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_8(page + (PAGE_HEADER + PAGE_INDEX_ID), id); + page_zip_write_header(page_zip, + page + (PAGE_HEADER + PAGE_INDEX_ID), + 8, mtr); + } else { + mlog_write_dulint(page + (PAGE_HEADER + PAGE_INDEX_ID), + id, mtr); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/**************************************************************//** +Gets the index id field of a page. +@return index id */ +UNIV_INLINE +dulint +btr_page_get_index_id( +/*==================*/ + const page_t* page) /*!< in: index page */ +{ + return(mach_read_from_8(page + PAGE_HEADER + PAGE_INDEX_ID)); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Gets the node level field in an index page. +@return level, leaf level == 0 */ +UNIV_INLINE +ulint +btr_page_get_level_low( +/*===================*/ + const page_t* page) /*!< in: index page */ +{ + ulint level; + + ut_ad(page); + + level = mach_read_from_2(page + PAGE_HEADER + PAGE_LEVEL); + + ut_ad(level <= BTR_MAX_NODE_LEVEL); + + return(level); +} + +/********************************************************//** +Gets the node level field in an index page. +@return level, leaf level == 0 */ +UNIV_INLINE +ulint +btr_page_get_level( +/*===============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + + return(btr_page_get_level_low(page)); +} + +/********************************************************//** +Sets the node level field in an index page. */ +UNIV_INLINE +void +btr_page_set_level( +/*===============*/ + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + ulint level, /*!< in: level, leaf level == 0 */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + ut_ad(level <= BTR_MAX_NODE_LEVEL); + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_2(page + (PAGE_HEADER + PAGE_LEVEL), level); + page_zip_write_header(page_zip, + page + (PAGE_HEADER + PAGE_LEVEL), + 2, mtr); + } else { + mlog_write_ulint(page + (PAGE_HEADER + PAGE_LEVEL), level, + MLOG_2BYTES, mtr); + } +} + +/********************************************************//** +Gets the next index page number. +@return next page number */ +UNIV_INLINE +ulint +btr_page_get_next( +/*==============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX) + || mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_S_FIX)); + + return(mach_read_from_4(page + FIL_PAGE_NEXT)); +} + +/********************************************************//** +Sets the next index page field. */ +UNIV_INLINE +void +btr_page_set_next( +/*==============*/ + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + ulint next, /*!< in: next page number */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_4(page + FIL_PAGE_NEXT, next); + page_zip_write_header(page_zip, page + FIL_PAGE_NEXT, 4, mtr); + } else { + mlog_write_ulint(page + FIL_PAGE_NEXT, next, MLOG_4BYTES, mtr); + } +} + +/********************************************************//** +Gets the previous index page number. +@return prev page number */ +UNIV_INLINE +ulint +btr_page_get_prev( +/*==============*/ + const page_t* page, /*!< in: index page */ + mtr_t* mtr __attribute__((unused))) /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + + return(mach_read_from_4(page + FIL_PAGE_PREV)); +} + +/********************************************************//** +Sets the previous index page field. */ +UNIV_INLINE +void +btr_page_set_prev( +/*==============*/ + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed + part will be updated, or NULL */ + ulint prev, /*!< in: previous page number */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(page && mtr); + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_4(page + FIL_PAGE_PREV, prev); + page_zip_write_header(page_zip, page + FIL_PAGE_PREV, 4, mtr); + } else { + mlog_write_ulint(page + FIL_PAGE_PREV, prev, MLOG_4BYTES, mtr); + } +} + +/**************************************************************//** +Gets the child node file address in a node pointer. +NOTE: the offsets array must contain all offsets for the record since +we read the last field according to offsets and assume that it contains +the child page number. In other words offsets must have been retrieved +with rec_get_offsets(n_fields=ULINT_UNDEFINED). +@return child node address */ +UNIV_INLINE +ulint +btr_node_ptr_get_child_page_no( +/*===========================*/ + const rec_t* rec, /*!< in: node pointer record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + const byte* field; + ulint len; + ulint page_no; + + ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec)); + + /* The child address is in the last field */ + field = rec_get_nth_field(rec, offsets, + rec_offs_n_fields(offsets) - 1, &len); + + ut_ad(len == 4); + + page_no = mach_read_from_4(field); + + if (UNIV_UNLIKELY(page_no == 0)) { + fprintf(stderr, + "InnoDB: a nonsensical page number 0" + " in a node ptr record at offset %lu\n", + (ulong) page_offset(rec)); + buf_page_print(page_align(rec), 0); + } + + return(page_no); +} + +/**************************************************************//** +Releases the latches on a leaf page and bufferunfixes it. */ +UNIV_INLINE +void +btr_leaf_page_release( +/*==================*/ + buf_block_t* block, /*!< in: buffer block */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or + BTR_MODIFY_LEAF */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(latch_mode == BTR_SEARCH_LEAF || latch_mode == BTR_MODIFY_LEAF); + ut_ad(!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)); + + mtr_memo_release(mtr, block, + latch_mode == BTR_SEARCH_LEAF + ? MTR_MEMO_PAGE_S_FIX + : MTR_MEMO_PAGE_X_FIX); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0cur.h b/perfschema/include/btr0cur.h new file mode 100644 index 00000000000..136d2d068a1 --- /dev/null +++ b/perfschema/include/btr0cur.h @@ -0,0 +1,787 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0cur.h +The index tree cursor + +Created 10/16/1994 Heikki Tuuri +*******************************************************/ + +#ifndef btr0cur_h +#define btr0cur_h + +#include "univ.i" +#include "dict0dict.h" +#include "page0cur.h" +#include "btr0types.h" + +/* Mode flags for btr_cur operations; these can be ORed */ +#define BTR_NO_UNDO_LOG_FLAG 1 /* do no undo logging */ +#define BTR_NO_LOCKING_FLAG 2 /* do no record lock checking */ +#define BTR_KEEP_SYS_FLAG 4 /* sys fields will be found from the + update vector or inserted entry */ + +#ifndef UNIV_HOTBACKUP +#include "que0types.h" +#include "row0types.h" +#include "ha0ha.h" + +#define BTR_CUR_ADAPT +#define BTR_CUR_HASH_ADAPT + +#ifdef UNIV_DEBUG +/*********************************************************//** +Returns the page cursor component of a tree cursor. +@return pointer to page cursor component */ +UNIV_INLINE +page_cur_t* +btr_cur_get_page_cur( +/*=================*/ + const btr_cur_t* cursor);/*!< in: tree cursor */ +#else /* UNIV_DEBUG */ +# define btr_cur_get_page_cur(cursor) (&(cursor)->page_cur) +#endif /* UNIV_DEBUG */ +/*********************************************************//** +Returns the buffer block on which the tree cursor is positioned. +@return pointer to buffer block */ +UNIV_INLINE +buf_block_t* +btr_cur_get_block( +/*==============*/ + btr_cur_t* cursor);/*!< in: tree cursor */ +/*********************************************************//** +Returns the record pointer of a tree cursor. +@return pointer to record */ +UNIV_INLINE +rec_t* +btr_cur_get_rec( +/*============*/ + btr_cur_t* cursor);/*!< in: tree cursor */ +/*********************************************************//** +Returns the compressed page on which the tree cursor is positioned. +@return pointer to compressed page, or NULL if the page is not compressed */ +UNIV_INLINE +page_zip_des_t* +btr_cur_get_page_zip( +/*=================*/ + btr_cur_t* cursor);/*!< in: tree cursor */ +/*********************************************************//** +Invalidates a tree cursor by setting record pointer to NULL. */ +UNIV_INLINE +void +btr_cur_invalidate( +/*===============*/ + btr_cur_t* cursor);/*!< in: tree cursor */ +/*********************************************************//** +Returns the page of a tree cursor. +@return pointer to page */ +UNIV_INLINE +page_t* +btr_cur_get_page( +/*=============*/ + btr_cur_t* cursor);/*!< in: tree cursor */ +/*********************************************************//** +Returns the index of a cursor. +@return index */ +UNIV_INLINE +dict_index_t* +btr_cur_get_index( +/*==============*/ + btr_cur_t* cursor);/*!< in: B-tree cursor */ +/*********************************************************//** +Positions a tree cursor at a given record. */ +UNIV_INLINE +void +btr_cur_position( +/*=============*/ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record in tree */ + buf_block_t* block, /*!< in: buffer block of rec */ + btr_cur_t* cursor);/*!< in: cursor */ +/********************************************************************//** +Searches an index tree and positions a tree cursor on a given level. +NOTE: n_fields_cmp in tuple must be set so that it cannot be compared +to node pointer page number fields on the upper levels of the tree! +Note that if mode is PAGE_CUR_LE, which is used in inserts, then +cursor->up_match and cursor->low_match both will have sensible values. +If mode is PAGE_CUR_GE, then up_match will a have a sensible value. */ +UNIV_INTERN +void +btr_cur_search_to_nth_level( +/*========================*/ + dict_index_t* index, /*!< in: index */ + ulint level, /*!< in: the tree level of search */ + const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in + tuple must be set so that it cannot get + compared to the node ptr page number field! */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + NOTE that if the search is made using a unique + prefix of a record, mode should be PAGE_CUR_LE, + not PAGE_CUR_GE, as the latter may end up on + the previous page of the record! Inserts + should always be made using PAGE_CUR_LE to + search the position! */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with + at most one of BTR_INSERT, BTR_DELETE_MARK, + BTR_DELETE, or BTR_ESTIMATE; + cursor->left_block is used to store a pointer + to the left neighbor page, in the cases + BTR_SEARCH_PREV and BTR_MODIFY_PREV; + NOTE that if has_search_latch + is != 0, we maybe do not have a latch set + on the cursor page, we assume + the caller uses his search latch + to protect the record! */ + btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is + s- or x-latched, but see also above! */ + ulint has_search_latch,/*!< in: latch mode the caller + currently has on btr_search_latch: + RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Opens a cursor at either end of an index. */ +UNIV_INTERN +void +btr_cur_open_at_index_side_func( +/*============================*/ + ibool from_left, /*!< in: TRUE if open to the low end, + FALSE if to the high end */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_cur_t* cursor, /*!< in: cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_cur_open_at_index_side(f,i,l,c,m) \ + btr_cur_open_at_index_side_func(f,i,l,c,__FILE__,__LINE__,m) +/**********************************************************************//** +Positions a cursor at a randomly chosen position within a B-tree. */ +UNIV_INTERN +void +btr_cur_open_at_rnd_pos_func( +/*=========================*/ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< in/out: B-tree cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_cur_open_at_rnd_pos(i,l,c,m) \ + btr_cur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) +/*************************************************************//** +Tries to perform an insert to a page in an index tree, next to cursor. +It is assumed that mtr holds an x-latch on the page. The operation does +not succeed if there is too little space on the page. If there is just +one record on the page, the insert will always succeed; this is to +prevent trying to split a page with just one record. +@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ +UNIV_INTERN +ulint +btr_cur_optimistic_insert( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags: if not + zero, the parameters index and thr should be + specified */ + btr_cur_t* cursor, /*!< in: cursor on page after which to insert; + cursor stays valid */ + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if + succeed */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or + NULL */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr); /*!< in: mtr; if this function returns + DB_SUCCESS on a leaf page of a secondary + index in a compressed tablespace, the + mtr must be committed before latching + any further pages */ +/*************************************************************//** +Performs an insert on a page of an index tree. It is assumed that mtr +holds an x-latch on the tree and on the cursor page. If the insert is +made on the leaf level, to avoid deadlocks, mtr must also own x-latches +to brothers of page, if those brothers exist. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +btr_cur_pessimistic_insert( +/*=======================*/ + ulint flags, /*!< in: undo logging and locking flags: if not + zero, the parameter thr should be + specified; if no undo logging is specified, + then the caller must have reserved enough + free extents in the file space so that the + insertion will certainly succeed */ + btr_cur_t* cursor, /*!< in: cursor after which to insert; + cursor stays valid */ + dtuple_t* entry, /*!< in/out: entry to insert */ + rec_t** rec, /*!< out: pointer to inserted record if + succeed */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or + NULL */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr, /*!< in: query thread or NULL */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Updates a record when the update causes no size changes in its fields. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +btr_cur_update_in_place( +/*====================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; + cursor stays valid and positioned on the + same record */ + const upd_t* update, /*!< in: update vector */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before + latching any further pages */ +/*************************************************************//** +Tries to update a record on a page in an index tree. It is assumed that mtr +holds an x-latch on the page. The operation does not succeed if there is too +little space on the page or if the update would result in too empty a page, +so that tree compression is recommended. +@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, +DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if +there is not enough space left on the compressed page */ +UNIV_INTERN +ulint +btr_cur_optimistic_update( +/*======================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update; + cursor stays valid and positioned on the + same record */ + const upd_t* update, /*!< in: update vector; this must also + contain trx id and roll ptr fields */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before + latching any further pages */ +/*************************************************************//** +Performs an update of a record on a page of a tree. It is assumed +that mtr holds an x-latch on the tree and on the cursor page. If the +update is made on the leaf level, to avoid deadlocks, mtr must also +own x-latches to brothers of page, if those brothers exist. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +btr_cur_pessimistic_update( +/*=======================*/ + ulint flags, /*!< in: undo logging, locking, and rollback + flags */ + btr_cur_t* cursor, /*!< in: cursor on the record to update */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: big rec vector whose fields have to + be stored externally by the caller, or NULL */ + const upd_t* update, /*!< in: update vector; this is allowed also + contain trx id and roll ptr fields, but + the values in update vector have no effect */ + ulint cmpl_info,/*!< in: compiler info on secondary index + updates */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr; must be committed before + latching any further pages */ +/***********************************************************//** +Marks a clustered index record deleted. Writes an undo log record to +undo log on this delete marking. Writes in the trx id field the id +of the deleting transaction, and in the roll ptr field pointer to the +undo log record created. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ +UNIV_INTERN +ulint +btr_cur_del_mark_set_clust_rec( +/*===========================*/ + ulint flags, /*!< in: undo logging and locking flags */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr */ +/***********************************************************//** +Sets a secondary index record delete mark to TRUE or FALSE. +@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ +UNIV_INTERN +ulint +btr_cur_del_mark_set_sec_rec( +/*=========================*/ + ulint flags, /*!< in: locking flag */ + btr_cur_t* cursor, /*!< in: cursor */ + ibool val, /*!< in: value to set */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Tries to compress a page of the tree if it seems useful. It is assumed +that mtr holds an x-latch on the tree and on the cursor page. To avoid +deadlocks, mtr must also own x-latches to brothers of page, if those +brothers exist. NOTE: it is assumed that the caller has reserved enough +free extents so that the compression will always succeed if done! +@return TRUE if compression occurred */ +UNIV_INTERN +ibool +btr_cur_compress_if_useful( +/*=======================*/ + btr_cur_t* cursor, /*!< in: cursor on the page to compress; + cursor does not stay valid if compression + occurs */ + mtr_t* mtr); /*!< in: mtr */ +/*******************************************************//** +Removes the record on which the tree cursor is positioned. It is assumed +that the mtr has an x-latch on the page where the cursor is positioned, +but no latch on the whole tree. +@return TRUE if success, i.e., the page did not become too empty */ +UNIV_INTERN +ibool +btr_cur_optimistic_delete( +/*======================*/ + btr_cur_t* cursor, /*!< in: cursor on the record to delete; + cursor stays valid: if deletion succeeds, + on function exit it points to the successor + of the deleted record */ + mtr_t* mtr); /*!< in: mtr; if this function returns + TRUE on a leaf page of a secondary + index, the mtr must be committed + before latching any further pages */ +/*************************************************************//** +Removes the record on which the tree cursor is positioned. Tries +to compress the page if its fillfactor drops below a threshold +or if it is the only page on the level. It is assumed that mtr holds +an x-latch on the tree and on the cursor page. To avoid deadlocks, +mtr must also own x-latches to brothers of page, if those brothers +exist. +@return TRUE if compression occurred */ +UNIV_INTERN +ibool +btr_cur_pessimistic_delete( +/*=======================*/ + ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; + the latter may occur because we may have + to update node pointers on upper levels, + and in the case of variable length keys + these may actually grow in size */ + ibool has_reserved_extents, /*!< in: TRUE if the + caller has already reserved enough free + extents so that he knows that the operation + will succeed */ + btr_cur_t* cursor, /*!< in: cursor on the record to delete; + if compression does not occur, the cursor + stays valid: it points to successor of + deleted record on function exit */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Parses a redo log record of updating a record in-place. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_update_in_place( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index); /*!< in: index corresponding to page */ +/****************************************************************//** +Parses the redo log record for delete marking or unmarking of a clustered +index record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_del_mark_set_clust_rec( +/*=================================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + dict_index_t* index); /*!< in: index corresponding to page */ +/****************************************************************//** +Parses the redo log record for delete marking or unmarking of a secondary +index record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +btr_cur_parse_del_mark_set_sec_rec( +/*===============================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in/out: page or NULL */ + page_zip_des_t* page_zip);/*!< in/out: compressed page, or NULL */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Estimates the number of rows in a given index range. +@return estimated number of rows */ +UNIV_INTERN +ib_int64_t +btr_estimate_n_rows_in_range( +/*=========================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ + ulint mode1, /*!< in: search mode for range start */ + const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ + ulint mode2); /*!< in: search mode for range end */ +/*******************************************************************//** +Estimates the number of different key values in a given index, for +each n-column prefix of the index where n <= dict_index_get_n_unique(index). +The estimates are stored in the array index->stat_n_diff_key_vals. */ +UNIV_INTERN +void +btr_estimate_number_of_different_key_vals( +/*======================================*/ + dict_index_t* index); /*!< in: index */ +/*******************************************************************//** +Marks not updated extern fields as not-owned by this record. The ownership +is transferred to the updated record which is inserted elsewhere in the +index tree. In purge only the owner of externally stored field is allowed +to free the field. */ +UNIV_INTERN +void +btr_cur_mark_extern_inherited_fields( +/*=================================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed + part will be updated, or NULL */ + rec_t* rec, /*!< in/out: record in a clustered index */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ +/*******************************************************************//** +The complement of the previous function: in an update entry may inherit +some externally stored fields from a record. We must mark them as inherited +in entry, so that they are not freed in a rollback. */ +UNIV_INTERN +void +btr_cur_mark_dtuple_inherited_extern( +/*=================================*/ + dtuple_t* entry, /*!< in/out: updated entry to be + inserted to clustered index */ + const upd_t* update); /*!< in: update vector */ +/*******************************************************************//** +Marks all extern fields in a dtuple as owned by the record. */ +UNIV_INTERN +void +btr_cur_unmark_dtuple_extern_fields( +/*================================*/ + dtuple_t* entry); /*!< in/out: clustered index entry */ +/*******************************************************************//** +Stores the fields in big_rec_vec to the tablespace and puts pointers to +them in rec. The extern flags in rec will have to be set beforehand. +The fields are stored on pages allocated from leaf node +file segment of the index tree. +@return DB_SUCCESS or error */ +UNIV_INTERN +ulint +btr_store_big_rec_extern_fields( +/*============================*/ + dict_index_t* index, /*!< in: index of rec; the index tree + MUST be X-latched */ + buf_block_t* rec_block, /*!< in/out: block containing rec */ + rec_t* rec, /*!< in: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index); + the "external storage" flags in offsets + will not correspond to rec when + this function returns */ + big_rec_t* big_rec_vec, /*!< in: vector containing fields + to be stored externally */ + mtr_t* local_mtr); /*!< in: mtr containing the latch to + rec and to the tree */ +/*******************************************************************//** +Frees the space in an externally stored field to the file space +management if the field in data is owned the externally stored field, +in a rollback we may have the additional condition that the field must +not be inherited. */ +UNIV_INTERN +void +btr_free_externally_stored_field( +/*=============================*/ + dict_index_t* index, /*!< in: index of the data, the index + tree MUST be X-latched; if the tree + height is 1, then also the root page + must be X-latched! (this is relevant + in the case this function is called + from purge where 'data' is located on + an undo log page, not an index + page) */ + byte* field_ref, /*!< in/out: field reference */ + const rec_t* rec, /*!< in: record containing field_ref, for + page_zip_write_blob_ptr(), or NULL */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index), + or NULL */ + page_zip_des_t* page_zip, /*!< in: compressed page corresponding + to rec, or NULL if rec == NULL */ + ulint i, /*!< in: field number of field_ref; + ignored if rec == NULL */ + enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ + mtr_t* local_mtr); /*!< in: mtr containing the latch to + data an an X-latch to the index + tree */ +/*******************************************************************//** +Copies the prefix of an externally stored field of a record. The +clustered index record must be protected by a lock or a page latch. +@return the length of the copied field, or 0 if the column was being +or has been deleted */ +UNIV_INTERN +ulint +btr_copy_externally_stored_field_prefix( +/*====================================*/ + byte* buf, /*!< out: the field, or a prefix of it */ + ulint len, /*!< in: length of buf, in bytes */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + const byte* data, /*!< in: 'internally' stored part of the + field containing also the reference to + the external part; must be protected by + a lock or a page latch */ + ulint local_len);/*!< in: length of data, in bytes */ +/*******************************************************************//** +Copies an externally stored field of a record to mem heap. +@return the field copied to heap */ +UNIV_INTERN +byte* +btr_rec_copy_externally_stored_field( +/*=================================*/ + const rec_t* rec, /*!< in: record in a clustered index; + must be protected by a lock or a page latch */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint zip_size,/*!< in: nonzero=compressed BLOB page size, + zero for uncompressed BLOBs */ + ulint no, /*!< in: field number */ + ulint* len, /*!< out: length of the field */ + mem_heap_t* heap); /*!< in: mem heap */ +/*******************************************************************//** +Flags the data tuple fields that are marked as extern storage in the +update vector. We use this function to remember which fields we must +mark as extern storage in a record inserted for an update. +@return number of flagged external columns */ +UNIV_INTERN +ulint +btr_push_update_extern_fields( +/*==========================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const upd_t* update, /*!< in: update vector */ + mem_heap_t* heap) /*!< in: memory heap */ + __attribute__((nonnull)); +/***********************************************************//** +Sets a secondary index record's delete mark to the given value. This +function is only used by the insert buffer merge mechanism. */ +UNIV_INTERN +void +btr_cur_set_deleted_flag_for_ibuf( +/*==============================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip, /*!< in/out: compressed page + corresponding to rec, or NULL + when the tablespace is + uncompressed */ + ibool val, /*!< in: value to set */ + mtr_t* mtr); /*!< in: mtr */ +/*######################################################################*/ + +/** In the pessimistic delete, if the page data size drops below this +limit, merging it to a neighbor is tried */ +#define BTR_CUR_PAGE_COMPRESS_LIMIT (UNIV_PAGE_SIZE / 2) + +/** A slot in the path array. We store here info on a search path down the +tree. Each slot contains data on a single level of the tree. */ + +typedef struct btr_path_struct btr_path_t; +struct btr_path_struct{ + ulint nth_rec; /*!< index of the record + where the page cursor stopped on + this level (index in alphabetical + order); value ULINT_UNDEFINED + denotes array end */ + ulint n_recs; /*!< number of records on the page */ +}; + +#define BTR_PATH_ARRAY_N_SLOTS 250 /*!< size of path array (in slots) */ + +/** Values for the flag documenting the used search method */ +enum btr_cur_method { + BTR_CUR_HASH = 1, /*!< successful shortcut using + the hash index */ + BTR_CUR_HASH_FAIL, /*!< failure using hash, success using + binary search: the misleading hash + reference is stored in the field + hash_node, and might be necessary to + update */ + BTR_CUR_BINARY, /*!< success using the binary search */ + BTR_CUR_INSERT_TO_IBUF, /*!< performed the intended insert to + the insert buffer */ + BTR_CUR_DEL_MARK_IBUF, /*!< performed the intended delete + mark in the insert/delete buffer */ + BTR_CUR_DELETE_IBUF, /*!< performed the intended delete in + the insert/delete buffer */ + BTR_CUR_DELETE_REF /*!< row_purge_poss_sec() failed */ +}; + +/** The tree cursor: the definition appears here only for the compiler +to know struct size! */ +struct btr_cur_struct { + dict_index_t* index; /*!< index where positioned */ + page_cur_t page_cur; /*!< page cursor */ + purge_node_t* purge_node; /*!< purge node, for BTR_DELETE */ + buf_block_t* left_block; /*!< this field is used to store + a pointer to the left neighbor + page, in the cases + BTR_SEARCH_PREV and + BTR_MODIFY_PREV */ + /*------------------------------*/ + que_thr_t* thr; /*!< this field is only used + when btr_cur_search_to_nth_level + is called for an index entry + insertion: the calling query + thread is passed here to be + used in the insert buffer */ + /*------------------------------*/ + /** The following fields are used in + btr_cur_search_to_nth_level to pass information: */ + /* @{ */ + enum btr_cur_method flag; /*!< Search method used */ + ulint tree_height; /*!< Tree height if the search is done + for a pessimistic insert or update + operation */ + ulint up_match; /*!< If the search mode was PAGE_CUR_LE, + the number of matched fields to the + the first user record to the right of + the cursor record after + btr_cur_search_to_nth_level; + for the mode PAGE_CUR_GE, the matched + fields to the first user record AT THE + CURSOR or to the right of it; + NOTE that the up_match and low_match + values may exceed the correct values + for comparison to the adjacent user + record if that record is on a + different leaf page! (See the note in + row_ins_duplicate_key.) */ + ulint up_bytes; /*!< number of matched bytes to the + right at the time cursor positioned; + only used internally in searches: not + defined after the search */ + ulint low_match; /*!< if search mode was PAGE_CUR_LE, + the number of matched fields to the + first user record AT THE CURSOR or + to the left of it after + btr_cur_search_to_nth_level; + NOT defined for PAGE_CUR_GE or any + other search modes; see also the NOTE + in up_match! */ + ulint low_bytes; /*!< number of matched bytes to the + right at the time cursor positioned; + only used internally in searches: not + defined after the search */ + ulint n_fields; /*!< prefix length used in a hash + search if hash_node != NULL */ + ulint n_bytes; /*!< hash prefix bytes if hash_node != + NULL */ + ulint fold; /*!< fold value used in the search if + flag is BTR_CUR_HASH */ + /*----- Delete buffering -------*/ + ulint ibuf_cnt; /* in searches done on insert buffer + trees, this contains the "counter" + value (the first two bytes of the + fourth field) extracted from the + page above the leaf page, from the + father node pointer that pointed to + the leaf page. in other words, it + contains the minimum counter value + for records to be inserted on the + chosen leaf page. If for some reason + this can't be read, or if the search + ended on the leftmost leaf page in + the tree (in which case the father + node pointer had the 'minimum + record' flag set), this is + ULINT_UNDEFINED. */ + /*------------------------------*/ + /* @} */ + btr_path_t* path_arr; /*!< in estimating the number of + rows in range, we store in this array + information of the path through + the tree */ +}; + +/** If pessimistic delete fails because of lack of file space, there +is still a good change of success a little later. Try this many +times. */ +#define BTR_CUR_RETRY_DELETE_N_TIMES 100 +/** If pessimistic delete fails because of lack of file space, there +is still a good change of success a little later. Sleep this many +microseconds between retries. */ +#define BTR_CUR_RETRY_SLEEP_TIME 50000 + +/** The reference in a field for which data is stored on a different page. +The reference is at the end of the 'locally' stored part of the field. +'Locally' means storage in the index record. +We store locally a long enough prefix of each column so that we can determine +the ordering parts of each index record without looking into the externally +stored part. */ +/*-------------------------------------- @{ */ +#define BTR_EXTERN_SPACE_ID 0 /*!< space id where stored */ +#define BTR_EXTERN_PAGE_NO 4 /*!< page no where stored */ +#define BTR_EXTERN_OFFSET 8 /*!< offset of BLOB header + on that page */ +#define BTR_EXTERN_LEN 12 /*!< 8 bytes containing the + length of the externally + stored part of the BLOB. + The 2 highest bits are + reserved to the flags below. */ +/*-------------------------------------- @} */ +/* #define BTR_EXTERN_FIELD_REF_SIZE 20 // moved to btr0types.h */ + +/** The most significant bit of BTR_EXTERN_LEN (i.e., the most +significant bit of the byte at smallest address) is set to 1 if this +field does not 'own' the externally stored field; only the owner field +is allowed to free the field in purge! */ +#define BTR_EXTERN_OWNER_FLAG 128 +/** If the second most significant bit of BTR_EXTERN_LEN (i.e., the +second most significant bit of the byte at smallest address) is 1 then +it means that the externally stored field was inherited from an +earlier version of the row. In rollback we are not allowed to free an +inherited external field. */ +#define BTR_EXTERN_INHERITED_FLAG 64 + +/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ +extern ulint btr_cur_n_non_sea; +/** Number of successful adaptive hash index lookups in +btr_cur_search_to_nth_level(). */ +extern ulint btr_cur_n_sea; +/** Old value of btr_cur_n_non_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ +extern ulint btr_cur_n_non_sea_old; +/** Old value of btr_cur_n_sea. Copied by +srv_refresh_innodb_monitor_stats(). Referenced by +srv_printf_innodb_monitor(). */ +extern ulint btr_cur_n_sea_old; +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "btr0cur.ic" +#endif + +#endif diff --git a/perfschema/include/btr0cur.ic b/perfschema/include/btr0cur.ic new file mode 100644 index 00000000000..280583f6ccf --- /dev/null +++ b/perfschema/include/btr0cur.ic @@ -0,0 +1,200 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0cur.ic +The index tree cursor + +Created 10/16/1994 Heikki Tuuri +*******************************************************/ + +#ifndef UNIV_HOTBACKUP +#include "btr0btr.h" + +#ifdef UNIV_DEBUG +/*********************************************************//** +Returns the page cursor component of a tree cursor. +@return pointer to page cursor component */ +UNIV_INLINE +page_cur_t* +btr_cur_get_page_cur( +/*=================*/ + const btr_cur_t* cursor) /*!< in: tree cursor */ +{ + return(&((btr_cur_t*) cursor)->page_cur); +} +#endif /* UNIV_DEBUG */ +/*********************************************************//** +Returns the buffer block on which the tree cursor is positioned. +@return pointer to buffer block */ +UNIV_INLINE +buf_block_t* +btr_cur_get_block( +/*==============*/ + btr_cur_t* cursor) /*!< in: tree cursor */ +{ + return(page_cur_get_block(btr_cur_get_page_cur(cursor))); +} + +/*********************************************************//** +Returns the record pointer of a tree cursor. +@return pointer to record */ +UNIV_INLINE +rec_t* +btr_cur_get_rec( +/*============*/ + btr_cur_t* cursor) /*!< in: tree cursor */ +{ + return(page_cur_get_rec(&(cursor->page_cur))); +} + +/*********************************************************//** +Returns the compressed page on which the tree cursor is positioned. +@return pointer to compressed page, or NULL if the page is not compressed */ +UNIV_INLINE +page_zip_des_t* +btr_cur_get_page_zip( +/*=================*/ + btr_cur_t* cursor) /*!< in: tree cursor */ +{ + return(buf_block_get_page_zip(btr_cur_get_block(cursor))); +} + +/*********************************************************//** +Invalidates a tree cursor by setting record pointer to NULL. */ +UNIV_INLINE +void +btr_cur_invalidate( +/*===============*/ + btr_cur_t* cursor) /*!< in: tree cursor */ +{ + page_cur_invalidate(&(cursor->page_cur)); +} + +/*********************************************************//** +Returns the page of a tree cursor. +@return pointer to page */ +UNIV_INLINE +page_t* +btr_cur_get_page( +/*=============*/ + btr_cur_t* cursor) /*!< in: tree cursor */ +{ + return(page_align(page_cur_get_rec(&(cursor->page_cur)))); +} + +/*********************************************************//** +Returns the index of a cursor. +@return index */ +UNIV_INLINE +dict_index_t* +btr_cur_get_index( +/*==============*/ + btr_cur_t* cursor) /*!< in: B-tree cursor */ +{ + return(cursor->index); +} + +/*********************************************************//** +Positions a tree cursor at a given record. */ +UNIV_INLINE +void +btr_cur_position( +/*=============*/ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record in tree */ + buf_block_t* block, /*!< in: buffer block of rec */ + btr_cur_t* cursor) /*!< out: cursor */ +{ + ut_ad(page_align(rec) == block->frame); + + page_cur_position(rec, block, btr_cur_get_page_cur(cursor)); + + cursor->index = index; +} + +/*********************************************************************//** +Checks if compressing an index page where a btr cursor is placed makes +sense. +@return TRUE if compression is recommended */ +UNIV_INLINE +ibool +btr_cur_compress_recommendation( +/*============================*/ + btr_cur_t* cursor, /*!< in: btr cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + + ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), + MTR_MEMO_PAGE_X_FIX)); + + page = btr_cur_get_page(cursor); + + if ((page_get_data_size(page) < BTR_CUR_PAGE_COMPRESS_LIMIT) + || ((btr_page_get_next(page, mtr) == FIL_NULL) + && (btr_page_get_prev(page, mtr) == FIL_NULL))) { + + /* The page fillfactor has dropped below a predefined + minimum value OR the level in the B-tree contains just + one page: we recommend compression if this is not the + root page. */ + + return(dict_index_get_page(cursor->index) + != page_get_page_no(page)); + } + + return(FALSE); +} + +/*********************************************************************//** +Checks if the record on which the cursor is placed can be deleted without +making tree compression necessary (or, recommended). +@return TRUE if can be deleted without recommended compression */ +UNIV_INLINE +ibool +btr_cur_can_delete_without_compress( +/*================================*/ + btr_cur_t* cursor, /*!< in: btr cursor */ + ulint rec_size,/*!< in: rec_get_size(btr_cur_get_rec(cursor))*/ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* page; + + ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), + MTR_MEMO_PAGE_X_FIX)); + + page = btr_cur_get_page(cursor); + + if ((page_get_data_size(page) - rec_size < BTR_CUR_PAGE_COMPRESS_LIMIT) + || ((btr_page_get_next(page, mtr) == FIL_NULL) + && (btr_page_get_prev(page, mtr) == FIL_NULL)) + || (page_get_n_recs(page) < 2)) { + + /* The page fillfactor will drop below a predefined + minimum value, OR the level in the B-tree contains just + one page, OR the page will become empty: we recommend + compression if this is not the root page. */ + + return(dict_index_get_page(cursor->index) + == page_get_page_no(page)); + } + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0pcur.h b/perfschema/include/btr0pcur.h new file mode 100644 index 00000000000..2334a266280 --- /dev/null +++ b/perfschema/include/btr0pcur.h @@ -0,0 +1,551 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0pcur.h +The index tree persistent cursor + +Created 2/23/1996 Heikki Tuuri +*******************************************************/ + +#ifndef btr0pcur_h +#define btr0pcur_h + +#include "univ.i" +#include "dict0dict.h" +#include "data0data.h" +#include "mtr0mtr.h" +#include "page0cur.h" +#include "btr0cur.h" +#include "btr0btr.h" +#include "btr0types.h" + +/* Relative positions for a stored cursor position */ +#define BTR_PCUR_ON 1 +#define BTR_PCUR_BEFORE 2 +#define BTR_PCUR_AFTER 3 +/* Note that if the tree is not empty, btr_pcur_store_position does not +use the following, but only uses the above three alternatives, where the +position is stored relative to a specific record: this makes implementation +of a scroll cursor easier */ +#define BTR_PCUR_BEFORE_FIRST_IN_TREE 4 /* in an empty tree */ +#define BTR_PCUR_AFTER_LAST_IN_TREE 5 /* in an empty tree */ + +/**************************************************************//** +Allocates memory for a persistent cursor object and initializes the cursor. +@return own: persistent cursor */ +UNIV_INTERN +btr_pcur_t* +btr_pcur_create_for_mysql(void); +/*============================*/ +/**************************************************************//** +Frees the memory for a persistent cursor object. */ +UNIV_INTERN +void +btr_pcur_free_for_mysql( +/*====================*/ + btr_pcur_t* cursor); /*!< in, own: persistent cursor */ +/**************************************************************//** +Copies the stored position of a pcur to another pcur. */ +UNIV_INTERN +void +btr_pcur_copy_stored_position( +/*==========================*/ + btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the + position info */ + btr_pcur_t* pcur_donate); /*!< in: pcur from which the info is + copied */ +/**************************************************************//** +Sets the old_rec_buf field to NULL. */ +UNIV_INLINE +void +btr_pcur_init( +/*==========*/ + btr_pcur_t* pcur); /*!< in: persistent cursor */ +/**************************************************************//** +Initializes and opens a persistent cursor to an index tree. It should be +closed with btr_pcur_close. */ +UNIV_INLINE +void +btr_pcur_open_func( +/*===============*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + NOTE that if the search is made using a unique + prefix of a record, mode should be + PAGE_CUR_LE, not PAGE_CUR_GE, as the latter + may end up on the previous page from the + record! */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open(i,t,md,l,c,m) \ + btr_pcur_open_func(i,t,md,l,c,__FILE__,__LINE__,m) +/**************************************************************//** +Opens an persistent cursor to an index tree without initializing the +cursor. */ +UNIV_INLINE +void +btr_pcur_open_with_no_init_func( +/*============================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + NOTE that if the search is made using a unique + prefix of a record, mode should be + PAGE_CUR_LE, not PAGE_CUR_GE, as the latter + may end up on the previous page of the + record! */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; + NOTE that if has_search_latch != 0 then + we maybe do not acquire a latch on the cursor + page, but assume that the caller uses his + btr search latch to protect the record! */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + ulint has_search_latch,/*!< in: latch mode the caller + currently has on btr_search_latch: + RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_with_no_init(ix,t,md,l,cur,has,m) \ + btr_pcur_open_with_no_init_func(ix,t,md,l,cur,has,__FILE__,__LINE__,m) + +/*****************************************************************//** +Opens a persistent cursor at either end of an index. */ +UNIV_INLINE +void +btr_pcur_open_at_index_side( +/*========================*/ + ibool from_left, /*!< in: TRUE if open to the low end, + FALSE if to the high end */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_pcur_t* pcur, /*!< in: cursor */ + ibool do_init, /*!< in: TRUE if should be initialized */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Gets the up_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_GE, otherwise undefined */ +UNIV_INLINE +ulint +btr_pcur_get_up_match( +/*==================*/ + btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ +/**************************************************************//** +Gets the low_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_LE, otherwise undefined */ +UNIV_INLINE +ulint +btr_pcur_get_low_match( +/*===================*/ + btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ +/**************************************************************//** +If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first +user record satisfying the search condition, in the case PAGE_CUR_L or +PAGE_CUR_LE, on the last user record. If no such user record exists, then +in the first case sets the cursor after last in tree, and in the latter case +before first in tree. The latching mode must be BTR_SEARCH_LEAF or +BTR_MODIFY_LEAF. */ +UNIV_INTERN +void +btr_pcur_open_on_user_rec_func( +/*===========================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or + BTR_MODIFY_LEAF */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent + cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_on_user_rec(i,t,md,l,c,m) \ + btr_pcur_open_on_user_rec_func(i,t,md,l,c,__FILE__,__LINE__,m) +/**********************************************************************//** +Positions a cursor at a randomly chosen position within a B-tree. */ +UNIV_INLINE +void +btr_pcur_open_at_rnd_pos_func( +/*==========================*/ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_open_at_rnd_pos(i,l,c,m) \ + btr_pcur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) +/**************************************************************//** +Frees the possible old_rec_buf buffer of a persistent cursor and sets the +latch mode of the persistent cursor to BTR_NO_LATCHES. */ +UNIV_INLINE +void +btr_pcur_close( +/*===========*/ + btr_pcur_t* cursor); /*!< in: persistent cursor */ +/**************************************************************//** +The position of the cursor is stored by taking an initial segment of the +record the cursor is positioned on, before, or after, and copying it to the +cursor data structure, or just setting a flag if the cursor id before the +first in an EMPTY tree, or after the last in an EMPTY tree. NOTE that the +page where the cursor is positioned must not be empty if the index tree is +not totally empty! */ +UNIV_INTERN +void +btr_pcur_store_position( +/*====================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ +/**************************************************************//** +Restores the stored position of a persistent cursor bufferfixing the page and +obtaining the specified latches. If the cursor position was saved when the +(1) cursor was positioned on a user record: this function restores the position +to the last record LESS OR EQUAL to the stored record; +(2) cursor was positioned on a page infimum record: restores the position to +the last record LESS than the user record which was the successor of the page +infimum; +(3) cursor was positioned on the page supremum: restores to the first record +GREATER than the user record which was the predecessor of the supremum. +(4) cursor was positioned before the first or after the last in an empty tree: +restores to before first or after the last in the tree. +@return TRUE if the cursor position was stored when it was on a user +record and it can be restored on a user record whose ordering fields +are identical to the ones of the original user record */ +UNIV_INTERN +ibool +btr_pcur_restore_position_func( +/*===========================*/ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: detached persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mtr */ +#define btr_pcur_restore_position(l,cur,mtr) \ + btr_pcur_restore_position_func(l,cur,__FILE__,__LINE__,mtr) +/**************************************************************//** +If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, +releases the page latch and bufferfix reserved by the cursor. +NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes +made by the current mini-transaction to the data protected by the +cursor latch, as then the latch must not be released until mtr_commit. */ +UNIV_INTERN +void +btr_pcur_release_leaf( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Gets the rel_pos field for a cursor whose position has been stored. +@return BTR_PCUR_ON, ... */ +UNIV_INLINE +ulint +btr_pcur_get_rel_pos( +/*=================*/ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Sets the mtr field for a pcur. */ +UNIV_INLINE +void +btr_pcur_set_mtr( +/*=============*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in, own: mtr */ +/*********************************************************//** +Gets the mtr field for a pcur. +@return mtr */ +UNIV_INLINE +mtr_t* +btr_pcur_get_mtr( +/*=============*/ + btr_pcur_t* cursor); /*!< in: persistent cursor */ +/**************************************************************//** +Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, +that is, the cursor becomes detached. If there have been modifications +to the page where pcur is positioned, this can be used instead of +btr_pcur_release_leaf. Function btr_pcur_store_position should be used +before calling this, if restoration of cursor is wanted later. */ +UNIV_INLINE +void +btr_pcur_commit_specify_mtr( +/*========================*/ + btr_pcur_t* pcur, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr to commit */ +/**************************************************************//** +Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. +@return TRUE if detached */ +UNIV_INLINE +ibool +btr_pcur_is_detached( +/*=================*/ + btr_pcur_t* pcur); /*!< in: persistent cursor */ +/*********************************************************//** +Moves the persistent cursor to the next record in the tree. If no records are +left, the cursor stays 'after last in tree'. +@return TRUE if the cursor was not after last in tree */ +UNIV_INLINE +ibool +btr_pcur_move_to_next( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor to the previous record in the tree. If no records +are left, the cursor stays 'before first in tree'. +@return TRUE if the cursor was not before first in tree */ +UNIV_INTERN +ibool +btr_pcur_move_to_prev( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor to the last record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_last_on_page( +/*==========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor to the next user record in the tree. If no user +records are left, the cursor ends up 'after last in tree'. +@return TRUE if the cursor moved forward, ending on a user record */ +UNIV_INLINE +ibool +btr_pcur_move_to_next_user_rec( +/*===========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor to the first record on the next page. +Releases the latch on the current page, and bufferunfixes it. +Note that there must not be modifications on the current page, +as then the x-latch can be released only in mtr_commit. */ +UNIV_INTERN +void +btr_pcur_move_to_next_page( +/*=======================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the + last record of the current page */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor backward if it is on the first record +of the page. Releases the latch on the current page, and bufferunfixes +it. Note that to prevent a possible deadlock, the operation first +stores the position of the cursor, releases the leaf latch, acquires +necessary latches and restores the cursor position again before returning. +The alphabetical position of the cursor is guaranteed to be sensible +on return, but it may happen that the cursor is not positioned on the +last record of any page, because the structure of the tree may have +changed while the cursor had no latches. */ +UNIV_INTERN +void +btr_pcur_move_backward_from_page( +/*=============================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the + first record of the current page */ + mtr_t* mtr); /*!< in: mtr */ +#ifdef UNIV_DEBUG +/*********************************************************//** +Returns the btr cursor component of a persistent cursor. +@return pointer to btr cursor component */ +UNIV_INLINE +btr_cur_t* +btr_pcur_get_btr_cur( +/*=================*/ + const btr_pcur_t* cursor); /*!< in: persistent cursor */ +/*********************************************************//** +Returns the page cursor component of a persistent cursor. +@return pointer to page cursor component */ +UNIV_INLINE +page_cur_t* +btr_pcur_get_page_cur( +/*==================*/ + const btr_pcur_t* cursor); /*!< in: persistent cursor */ +#else /* UNIV_DEBUG */ +# define btr_pcur_get_btr_cur(cursor) (&(cursor)->btr_cur) +# define btr_pcur_get_page_cur(cursor) (&(cursor)->btr_cur.page_cur) +#endif /* UNIV_DEBUG */ +/*********************************************************//** +Returns the page of a persistent cursor. +@return pointer to the page */ +UNIV_INLINE +page_t* +btr_pcur_get_page( +/*==============*/ + btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Returns the buffer block of a persistent cursor. +@return pointer to the block */ +UNIV_INLINE +buf_block_t* +btr_pcur_get_block( +/*===============*/ + btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Returns the record of a persistent cursor. +@return pointer to the record */ +UNIV_INLINE +rec_t* +btr_pcur_get_rec( +/*=============*/ + btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Checks if the persistent cursor is on a user record. */ +UNIV_INLINE +ibool +btr_pcur_is_on_user_rec( +/*====================*/ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Checks if the persistent cursor is after the last user record on +a page. */ +UNIV_INLINE +ibool +btr_pcur_is_after_last_on_page( +/*===========================*/ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Checks if the persistent cursor is before the first user record on +a page. */ +UNIV_INLINE +ibool +btr_pcur_is_before_first_on_page( +/*=============================*/ + const btr_pcur_t* cursor);/*!< in: persistent cursor */ +/*********************************************************//** +Checks if the persistent cursor is before the first user record in +the index tree. */ +UNIV_INLINE +ibool +btr_pcur_is_before_first_in_tree( +/*=============================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Checks if the persistent cursor is after the last user record in +the index tree. */ +UNIV_INLINE +ibool +btr_pcur_is_after_last_in_tree( +/*===========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************//** +Moves the persistent cursor to the next record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_next_on_page( +/*==========================*/ + btr_pcur_t* cursor);/*!< in/out: persistent cursor */ +/*********************************************************//** +Moves the persistent cursor to the previous record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_prev_on_page( +/*==========================*/ + btr_pcur_t* cursor);/*!< in/out: persistent cursor */ + + +/* The persistent B-tree cursor structure. This is used mainly for SQL +selects, updates, and deletes. */ + +struct btr_pcur_struct{ + btr_cur_t btr_cur; /*!< a B-tree cursor */ + ulint latch_mode; /*!< see TODO note below! + BTR_SEARCH_LEAF, BTR_MODIFY_LEAF, + BTR_MODIFY_TREE, or BTR_NO_LATCHES, + depending on the latching state of + the page and tree where the cursor is + positioned; the last value means that + the cursor is not currently positioned: + we say then that the cursor is + detached; it can be restored to + attached if the old position was + stored in old_rec */ + ulint old_stored; /*!< BTR_PCUR_OLD_STORED + or BTR_PCUR_OLD_NOT_STORED */ + rec_t* old_rec; /*!< if cursor position is stored, + contains an initial segment of the + latest record cursor was positioned + either on, before, or after */ + ulint old_n_fields; /*!< number of fields in old_rec */ + ulint rel_pos; /*!< BTR_PCUR_ON, BTR_PCUR_BEFORE, or + BTR_PCUR_AFTER, depending on whether + cursor was on, before, or after the + old_rec record */ + buf_block_t* block_when_stored;/* buffer block when the position was + stored */ + ib_uint64_t modify_clock; /*!< the modify clock value of the + buffer block when the cursor position + was stored */ + ulint pos_state; /*!< see TODO note below! + BTR_PCUR_IS_POSITIONED, + BTR_PCUR_WAS_POSITIONED, + BTR_PCUR_NOT_POSITIONED */ + ulint search_mode; /*!< PAGE_CUR_G, ... */ + trx_t* trx_if_known; /*!< the transaction, if we know it; + otherwise this field is not defined; + can ONLY BE USED in error prints in + fatal assertion failures! */ + /*-----------------------------*/ + /* NOTE that the following fields may possess dynamically allocated + memory which should be freed if not needed anymore! */ + + mtr_t* mtr; /*!< NULL, or this field may contain + a mini-transaction which holds the + latch on the cursor page */ + byte* old_rec_buf; /*!< NULL, or a dynamically allocated + buffer for old_rec */ + ulint buf_size; /*!< old_rec_buf size if old_rec_buf + is not NULL */ +}; + +#define BTR_PCUR_IS_POSITIONED 1997660512 /* TODO: currently, the state + can be BTR_PCUR_IS_POSITIONED, + though it really should be + BTR_PCUR_WAS_POSITIONED, + because we have no obligation + to commit the cursor with + mtr; similarly latch_mode may + be out of date. This can + lead to problems if btr_pcur + is not used the right way; + all current code should be + ok. */ +#define BTR_PCUR_WAS_POSITIONED 1187549791 +#define BTR_PCUR_NOT_POSITIONED 1328997689 + +#define BTR_PCUR_OLD_STORED 908467085 +#define BTR_PCUR_OLD_NOT_STORED 122766467 + +#ifndef UNIV_NONINL +#include "btr0pcur.ic" +#endif + +#endif diff --git a/perfschema/include/btr0pcur.ic b/perfschema/include/btr0pcur.ic new file mode 100644 index 00000000000..0c38797e6c5 --- /dev/null +++ b/perfschema/include/btr0pcur.ic @@ -0,0 +1,642 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/btr0pcur.ic +The index tree persistent cursor + +Created 2/23/1996 Heikki Tuuri +*******************************************************/ + + +/*********************************************************//** +Gets the rel_pos field for a cursor whose position has been stored. +@return BTR_PCUR_ON, ... */ +UNIV_INLINE +ulint +btr_pcur_get_rel_pos( +/*=================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor); + ut_ad(cursor->old_rec); + ut_ad(cursor->old_stored == BTR_PCUR_OLD_STORED); + ut_ad(cursor->pos_state == BTR_PCUR_WAS_POSITIONED + || cursor->pos_state == BTR_PCUR_IS_POSITIONED); + + return(cursor->rel_pos); +} + +/*********************************************************//** +Sets the mtr field for a pcur. */ +UNIV_INLINE +void +btr_pcur_set_mtr( +/*=============*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in, own: mtr */ +{ + ut_ad(cursor); + + cursor->mtr = mtr; +} + +/*********************************************************//** +Gets the mtr field for a pcur. +@return mtr */ +UNIV_INLINE +mtr_t* +btr_pcur_get_mtr( +/*=============*/ + btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor); + + return(cursor->mtr); +} + +#ifdef UNIV_DEBUG +/*********************************************************//** +Returns the btr cursor component of a persistent cursor. +@return pointer to btr cursor component */ +UNIV_INLINE +btr_cur_t* +btr_pcur_get_btr_cur( +/*=================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + const btr_cur_t* btr_cur = &cursor->btr_cur; + return((btr_cur_t*) btr_cur); +} + +/*********************************************************//** +Returns the page cursor component of a persistent cursor. +@return pointer to page cursor component */ +UNIV_INLINE +page_cur_t* +btr_pcur_get_page_cur( +/*==================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + return(btr_cur_get_page_cur(btr_pcur_get_btr_cur(cursor))); +} +#endif /* UNIV_DEBUG */ +/*********************************************************//** +Returns the page of a persistent cursor. +@return pointer to the page */ +UNIV_INLINE +page_t* +btr_pcur_get_page( +/*==============*/ + btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + + return(btr_cur_get_page(btr_pcur_get_btr_cur(cursor))); +} + +/*********************************************************//** +Returns the buffer block of a persistent cursor. +@return pointer to the block */ +UNIV_INLINE +buf_block_t* +btr_pcur_get_block( +/*===============*/ + btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + + return(btr_cur_get_block(btr_pcur_get_btr_cur(cursor))); +} + +/*********************************************************//** +Returns the record of a persistent cursor. +@return pointer to the record */ +UNIV_INLINE +rec_t* +btr_pcur_get_rec( +/*=============*/ + btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + return(btr_cur_get_rec(btr_pcur_get_btr_cur(cursor))); +} + +/**************************************************************//** +Gets the up_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_GE, otherwise undefined */ +UNIV_INLINE +ulint +btr_pcur_get_up_match( +/*==================*/ + btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ +{ + btr_cur_t* btr_cursor; + + ut_ad((cursor->pos_state == BTR_PCUR_WAS_POSITIONED) + || (cursor->pos_state == BTR_PCUR_IS_POSITIONED)); + + btr_cursor = btr_pcur_get_btr_cur(cursor); + + ut_ad(btr_cursor->up_match != ULINT_UNDEFINED); + + return(btr_cursor->up_match); +} + +/**************************************************************//** +Gets the low_match value for a pcur after a search. +@return number of matched fields at the cursor or to the right if +search mode was PAGE_CUR_LE, otherwise undefined */ +UNIV_INLINE +ulint +btr_pcur_get_low_match( +/*===================*/ + btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ +{ + btr_cur_t* btr_cursor; + + ut_ad((cursor->pos_state == BTR_PCUR_WAS_POSITIONED) + || (cursor->pos_state == BTR_PCUR_IS_POSITIONED)); + + btr_cursor = btr_pcur_get_btr_cur(cursor); + ut_ad(btr_cursor->low_match != ULINT_UNDEFINED); + + return(btr_cursor->low_match); +} + +/*********************************************************//** +Checks if the persistent cursor is after the last user record on +a page. */ +UNIV_INLINE +ibool +btr_pcur_is_after_last_on_page( +/*===========================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); +} + +/*********************************************************//** +Checks if the persistent cursor is before the first user record on +a page. */ +UNIV_INLINE +ibool +btr_pcur_is_before_first_on_page( +/*=============================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); +} + +/*********************************************************//** +Checks if the persistent cursor is on a user record. */ +UNIV_INLINE +ibool +btr_pcur_is_on_user_rec( +/*====================*/ + const btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + if (btr_pcur_is_before_first_on_page(cursor) + || btr_pcur_is_after_last_on_page(cursor)) { + + return(FALSE); + } + + return(TRUE); +} + +/*********************************************************//** +Checks if the persistent cursor is before the first user record in +the index tree. */ +UNIV_INLINE +ibool +btr_pcur_is_before_first_in_tree( +/*=============================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + if (btr_page_get_prev(btr_pcur_get_page(cursor), mtr) != FIL_NULL) { + + return(FALSE); + } + + return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); +} + +/*********************************************************//** +Checks if the persistent cursor is after the last user record in +the index tree. */ +UNIV_INLINE +ibool +btr_pcur_is_after_last_in_tree( +/*===========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + if (btr_page_get_next(btr_pcur_get_page(cursor), mtr) != FIL_NULL) { + + return(FALSE); + } + + return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); +} + +/*********************************************************//** +Moves the persistent cursor to the next record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_next_on_page( +/*==========================*/ + btr_pcur_t* cursor) /*!< in/out: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + page_cur_move_to_next(btr_pcur_get_page_cur(cursor)); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; +} + +/*********************************************************//** +Moves the persistent cursor to the previous record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_prev_on_page( +/*==========================*/ + btr_pcur_t* cursor) /*!< in/out: persistent cursor */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + page_cur_move_to_prev(btr_pcur_get_page_cur(cursor)); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; +} + +/*********************************************************//** +Moves the persistent cursor to the last record on the same page. */ +UNIV_INLINE +void +btr_pcur_move_to_last_on_page( +/*==========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr */ +{ + UT_NOT_USED(mtr); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + page_cur_set_after_last(btr_pcur_get_block(cursor), + btr_pcur_get_page_cur(cursor)); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; +} + +/*********************************************************//** +Moves the persistent cursor to the next user record in the tree. If no user +records are left, the cursor ends up 'after last in tree'. +@return TRUE if the cursor moved forward, ending on a user record */ +UNIV_INLINE +ibool +btr_pcur_move_to_next_user_rec( +/*===========================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; +loop: + if (btr_pcur_is_after_last_on_page(cursor)) { + + if (btr_pcur_is_after_last_in_tree(cursor, mtr)) { + + return(FALSE); + } + + btr_pcur_move_to_next_page(cursor, mtr); + } else { + btr_pcur_move_to_next_on_page(cursor); + } + + if (btr_pcur_is_on_user_rec(cursor)) { + + return(TRUE); + } + + goto loop; +} + +/*********************************************************//** +Moves the persistent cursor to the next record in the tree. If no records are +left, the cursor stays 'after last in tree'. +@return TRUE if the cursor was not after last in tree */ +UNIV_INLINE +ibool +btr_pcur_move_to_next( +/*==================*/ + btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the + function may release the page latch */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); + ut_ad(cursor->latch_mode != BTR_NO_LATCHES); + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + if (btr_pcur_is_after_last_on_page(cursor)) { + + if (btr_pcur_is_after_last_in_tree(cursor, mtr)) { + + return(FALSE); + } + + btr_pcur_move_to_next_page(cursor, mtr); + + return(TRUE); + } + + btr_pcur_move_to_next_on_page(cursor); + + return(TRUE); +} + +/**************************************************************//** +Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, +that is, the cursor becomes detached. If there have been modifications +to the page where pcur is positioned, this can be used instead of +btr_pcur_release_leaf. Function btr_pcur_store_position should be used +before calling this, if restoration of cursor is wanted later. */ +UNIV_INLINE +void +btr_pcur_commit_specify_mtr( +/*========================*/ + btr_pcur_t* pcur, /*!< in: persistent cursor */ + mtr_t* mtr) /*!< in: mtr to commit */ +{ + ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); + + pcur->latch_mode = BTR_NO_LATCHES; + + mtr_commit(mtr); + + pcur->pos_state = BTR_PCUR_WAS_POSITIONED; +} + +/**************************************************************//** +Sets the pcur latch mode to BTR_NO_LATCHES. */ +UNIV_INLINE +void +btr_pcur_detach( +/*============*/ + btr_pcur_t* pcur) /*!< in: persistent cursor */ +{ + ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); + + pcur->latch_mode = BTR_NO_LATCHES; + + pcur->pos_state = BTR_PCUR_WAS_POSITIONED; +} + +/**************************************************************//** +Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. +@return TRUE if detached */ +UNIV_INLINE +ibool +btr_pcur_is_detached( +/*=================*/ + btr_pcur_t* pcur) /*!< in: persistent cursor */ +{ + if (pcur->latch_mode == BTR_NO_LATCHES) { + + return(TRUE); + } + + return(FALSE); +} + +/**************************************************************//** +Sets the old_rec_buf field to NULL. */ +UNIV_INLINE +void +btr_pcur_init( +/*==========*/ + btr_pcur_t* pcur) /*!< in: persistent cursor */ +{ + pcur->old_stored = BTR_PCUR_OLD_NOT_STORED; + pcur->old_rec_buf = NULL; + pcur->old_rec = NULL; +} + +/**************************************************************//** +Initializes and opens a persistent cursor to an index tree. It should be +closed with btr_pcur_close. */ +UNIV_INLINE +void +btr_pcur_open_func( +/*===============*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + NOTE that if the search is made using a unique + prefix of a record, mode should be + PAGE_CUR_LE, not PAGE_CUR_GE, as the latter + may end up on the previous page from the + record! */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + btr_cur_t* btr_cursor; + + /* Initialize the cursor */ + + btr_pcur_init(cursor); + + cursor->latch_mode = latch_mode; + cursor->search_mode = mode; + + /* Search with the tree cursor */ + + btr_cursor = btr_pcur_get_btr_cur(cursor); + + btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, + btr_cursor, 0, file, line, mtr); + cursor->pos_state = BTR_PCUR_IS_POSITIONED; + + cursor->trx_if_known = NULL; +} + +/**************************************************************//** +Opens an persistent cursor to an index tree without initializing the +cursor. */ +UNIV_INLINE +void +btr_pcur_open_with_no_init_func( +/*============================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* tuple, /*!< in: tuple on which search done */ + ulint mode, /*!< in: PAGE_CUR_L, ...; + NOTE that if the search is made using a unique + prefix of a record, mode should be + PAGE_CUR_LE, not PAGE_CUR_GE, as the latter + may end up on the previous page of the + record! */ + ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; + NOTE that if has_search_latch != 0 then + we maybe do not acquire a latch on the cursor + page, but assume that the caller uses his + btr search latch to protect the record! */ + btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ + ulint has_search_latch,/*!< in: latch mode the caller + currently has on btr_search_latch: + RW_S_LATCH, or 0 */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + btr_cur_t* btr_cursor; + + cursor->latch_mode = latch_mode; + cursor->search_mode = mode; + + /* Search with the tree cursor */ + + btr_cursor = btr_pcur_get_btr_cur(cursor); + + btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, + btr_cursor, has_search_latch, + file, line, mtr); + cursor->pos_state = BTR_PCUR_IS_POSITIONED; + + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + cursor->trx_if_known = NULL; +} + +/*****************************************************************//** +Opens a persistent cursor at either end of an index. */ +UNIV_INLINE +void +btr_pcur_open_at_index_side( +/*========================*/ + ibool from_left, /*!< in: TRUE if open to the low end, + FALSE if to the high end */ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: latch mode */ + btr_pcur_t* pcur, /*!< in: cursor */ + ibool do_init, /*!< in: TRUE if should be initialized */ + mtr_t* mtr) /*!< in: mtr */ +{ + pcur->latch_mode = latch_mode; + + if (from_left) { + pcur->search_mode = PAGE_CUR_G; + } else { + pcur->search_mode = PAGE_CUR_L; + } + + if (do_init) { + btr_pcur_init(pcur); + } + + btr_cur_open_at_index_side(from_left, index, latch_mode, + btr_pcur_get_btr_cur(pcur), mtr); + pcur->pos_state = BTR_PCUR_IS_POSITIONED; + + pcur->old_stored = BTR_PCUR_OLD_NOT_STORED; + + pcur->trx_if_known = NULL; +} + +/**********************************************************************//** +Positions a cursor at a randomly chosen position within a B-tree. */ +UNIV_INLINE +void +btr_pcur_open_at_rnd_pos_func( +/*==========================*/ + dict_index_t* index, /*!< in: index */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr */ +{ + /* Initialize the cursor */ + + cursor->latch_mode = latch_mode; + cursor->search_mode = PAGE_CUR_G; + + btr_pcur_init(cursor); + + btr_cur_open_at_rnd_pos_func(index, latch_mode, + btr_pcur_get_btr_cur(cursor), + file, line, mtr); + cursor->pos_state = BTR_PCUR_IS_POSITIONED; + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + cursor->trx_if_known = NULL; +} + +/**************************************************************//** +Frees the possible memory heap of a persistent cursor and sets the latch +mode of the persistent cursor to BTR_NO_LATCHES. */ +UNIV_INLINE +void +btr_pcur_close( +/*===========*/ + btr_pcur_t* cursor) /*!< in: persistent cursor */ +{ + if (cursor->old_rec_buf != NULL) { + + mem_free(cursor->old_rec_buf); + + cursor->old_rec = NULL; + cursor->old_rec_buf = NULL; + } + + cursor->btr_cur.page_cur.rec = NULL; + cursor->btr_cur.page_cur.block = NULL; + cursor->old_rec = NULL; + cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; + + cursor->latch_mode = BTR_NO_LATCHES; + cursor->pos_state = BTR_PCUR_NOT_POSITIONED; + + cursor->trx_if_known = NULL; +} diff --git a/perfschema/include/btr0sea.h b/perfschema/include/btr0sea.h new file mode 100644 index 00000000000..f98ba386f9c --- /dev/null +++ b/perfschema/include/btr0sea.h @@ -0,0 +1,310 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/btr0sea.h +The index tree adaptive search + +Created 2/17/1996 Heikki Tuuri +*************************************************************************/ + +#ifndef btr0sea_h +#define btr0sea_h + +#include "univ.i" + +#include "rem0rec.h" +#include "dict0dict.h" +#include "btr0types.h" +#include "mtr0mtr.h" +#include "ha0ha.h" + +/*****************************************************************//** +Creates and initializes the adaptive search system at a database start. */ +UNIV_INTERN +void +btr_search_sys_create( +/*==================*/ + ulint hash_size); /*!< in: hash index hash table size */ +/*****************************************************************//** +Frees the adaptive search system at a database shutdown. */ +UNIV_INTERN +void +btr_search_sys_free(void); +/*=====================*/ + +/********************************************************************//** +Disable the adaptive hash search system and empty the index. */ +UNIV_INTERN +void +btr_search_disable(void); +/*====================*/ +/********************************************************************//** +Enable the adaptive hash search system. */ +UNIV_INTERN +void +btr_search_enable(void); +/*====================*/ + +/********************************************************************//** +Returns search info for an index. +@return search info; search mutex reserved */ +UNIV_INLINE +btr_search_t* +btr_search_get_info( +/*================*/ + dict_index_t* index); /*!< in: index */ +/*****************************************************************//** +Creates and initializes a search info struct. +@return own: search info struct */ +UNIV_INTERN +btr_search_t* +btr_search_info_create( +/*===================*/ + mem_heap_t* heap); /*!< in: heap where created */ +/*****************************************************************//** +Returns the value of ref_count. The value is protected by +btr_search_latch. +@return ref_count value. */ +UNIV_INTERN +ulint +btr_search_info_get_ref_count( +/*==========================*/ + btr_search_t* info); /*!< in: search info. */ +/*********************************************************************//** +Updates the search info. */ +UNIV_INLINE +void +btr_search_info_update( +/*===================*/ + dict_index_t* index, /*!< in: index of the cursor */ + btr_cur_t* cursor);/*!< in: cursor which was just positioned */ +/******************************************************************//** +Tries to guess the right search position based on the hash search info +of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, +and the function returns TRUE, then cursor->up_match and cursor->low_match +both have sensible values. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +btr_search_guess_on_hash( +/*=====================*/ + dict_index_t* index, /*!< in: index */ + btr_search_t* info, /*!< in: index search info */ + const dtuple_t* tuple, /*!< in: logical record */ + ulint mode, /*!< in: PAGE_CUR_L, ... */ + ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ + btr_cur_t* cursor, /*!< out: tree cursor */ + ulint has_search_latch,/*!< in: latch mode the caller + currently has on btr_search_latch: + RW_S_LATCH, RW_X_LATCH, or 0 */ + mtr_t* mtr); /*!< in: mtr */ +/********************************************************************//** +Moves or deletes hash entries for moved records. If new_page is already hashed, +then the hash index for page, if any, is dropped. If new_page is not hashed, +and page is hashed, then a new hash index is built to new_page with the same +parameters as page (this often happens when a page is split). */ +UNIV_INTERN +void +btr_search_move_or_delete_hash_entries( +/*===================================*/ + buf_block_t* new_block, /*!< in: records are copied + to this page */ + buf_block_t* block, /*!< in: index page from which + records were copied, and the + copied records will be deleted + from this page */ + dict_index_t* index); /*!< in: record descriptor */ +/********************************************************************//** +Drops a page hash index. */ +UNIV_INTERN +void +btr_search_drop_page_hash_index( +/*============================*/ + buf_block_t* block); /*!< in: block containing index page, + s- or x-latched, or an index page + for which we know that + block->buf_fix_count == 0 */ +/********************************************************************//** +Drops a page hash index when a page is freed from a fseg to the file system. +Drops possible hash index if the page happens to be in the buffer pool. */ +UNIV_INTERN +void +btr_search_drop_page_hash_when_freed( +/*=================================*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no); /*!< in: page number */ +/********************************************************************//** +Updates the page hash index when a single record is inserted on a page. */ +UNIV_INTERN +void +btr_search_update_hash_node_on_insert( +/*==================================*/ + btr_cur_t* cursor);/*!< in: cursor which was positioned to the + place to insert using btr_cur_search_..., + and the new record has been inserted next + to the cursor */ +/********************************************************************//** +Updates the page hash index when a single record is inserted on a page. */ +UNIV_INTERN +void +btr_search_update_hash_on_insert( +/*=============================*/ + btr_cur_t* cursor);/*!< in: cursor which was positioned to the + place to insert using btr_cur_search_..., + and the new record has been inserted next + to the cursor */ +/********************************************************************//** +Updates the page hash index when a single record is deleted from a page. */ +UNIV_INTERN +void +btr_search_update_hash_on_delete( +/*=============================*/ + btr_cur_t* cursor);/*!< in: cursor which was positioned on the + record to delete using btr_cur_search_..., + the record is not yet deleted */ +/********************************************************************//** +Validates the search system. +@return TRUE if ok */ +UNIV_INTERN +ibool +btr_search_validate(void); +/*======================*/ + +/** Flag: has the search system been enabled? +Protected by btr_search_latch and btr_search_enabled_mutex. */ +extern char btr_search_enabled; + +/** The search info struct in an index */ +struct btr_search_struct{ + ulint ref_count; /*!< Number of blocks in this index tree + that have search index built + i.e. block->index points to this index. + Protected by btr_search_latch except + when during initialization in + btr_search_info_create(). */ + + /* @{ The following fields are not protected by any latch. + Unfortunately, this means that they must be aligned to + the machine word, i.e., they cannot be turned into bit-fields. */ + buf_block_t* root_guess;/*!< the root page frame when it was last time + fetched, or NULL */ + ulint hash_analysis; /*!< when this exceeds + BTR_SEARCH_HASH_ANALYSIS, the hash + analysis starts; this is reset if no + success noticed */ + ibool last_hash_succ; /*!< TRUE if the last search would have + succeeded, or did succeed, using the hash + index; NOTE that the value here is not exact: + it is not calculated for every search, and the + calculation itself is not always accurate! */ + ulint n_hash_potential; + /*!< number of consecutive searches + which would have succeeded, or did succeed, + using the hash index; + the range is 0 .. BTR_SEARCH_BUILD_LIMIT + 5 */ + /* @} */ + /*---------------------- @{ */ + ulint n_fields; /*!< recommended prefix length for hash search: + number of full fields */ + ulint n_bytes; /*!< recommended prefix: number of bytes in + an incomplete field + @see BTR_PAGE_MAX_REC_SIZE */ + ibool left_side; /*!< TRUE or FALSE, depending on whether + the leftmost record of several records with + the same prefix should be indexed in the + hash index */ + /*---------------------- @} */ +#ifdef UNIV_SEARCH_PERF_STAT + ulint n_hash_succ; /*!< number of successful hash searches thus + far */ + ulint n_hash_fail; /*!< number of failed hash searches */ + ulint n_patt_succ; /*!< number of successful pattern searches thus + far */ + ulint n_searches; /*!< number of searches */ +#endif /* UNIV_SEARCH_PERF_STAT */ +#ifdef UNIV_DEBUG + ulint magic_n; /*!< magic number @see BTR_SEARCH_MAGIC_N */ +/** value of btr_search_struct::magic_n, used in assertions */ +# define BTR_SEARCH_MAGIC_N 1112765 +#endif /* UNIV_DEBUG */ +}; + +/** The hash index system */ +typedef struct btr_search_sys_struct btr_search_sys_t; + +/** The hash index system */ +struct btr_search_sys_struct{ + hash_table_t* hash_index; /*!< the adaptive hash index, + mapping dtuple_fold values + to rec_t pointers on index pages */ +}; + +/** The adaptive hash index */ +extern btr_search_sys_t* btr_search_sys; + +/** @brief The latch protecting the adaptive search system + +This latch protects the +(1) hash index; +(2) columns of a record to which we have a pointer in the hash index; + +but does NOT protect: + +(3) next record offset field in a record; +(4) next or previous records on the same page. + +Bear in mind (3) and (4) when using the hash index. +*/ +extern rw_lock_t* btr_search_latch_temp; + +/** The latch protecting the adaptive search system */ +#define btr_search_latch (*btr_search_latch_temp) + +#ifdef UNIV_SEARCH_PERF_STAT +/** Number of successful adaptive hash index lookups */ +extern ulint btr_search_n_succ; +/** Number of failed adaptive hash index lookups */ +extern ulint btr_search_n_hash_fail; +#endif /* UNIV_SEARCH_PERF_STAT */ + +/** After change in n_fields or n_bytes in info, this many rounds are waited +before starting the hash analysis again: this is to save CPU time when there +is no hope in building a hash index. */ +#define BTR_SEARCH_HASH_ANALYSIS 17 + +/** Limit of consecutive searches for trying a search shortcut on the search +pattern */ +#define BTR_SEARCH_ON_PATTERN_LIMIT 3 + +/** Limit of consecutive searches for trying a search shortcut using +the hash index */ +#define BTR_SEARCH_ON_HASH_LIMIT 3 + +/** We do this many searches before trying to keep the search latch +over calls from MySQL. If we notice someone waiting for the latch, we +again set this much timeout. This is to reduce contention. */ +#define BTR_SEA_TIMEOUT 10000 + +#ifndef UNIV_NONINL +#include "btr0sea.ic" +#endif + +#endif diff --git a/perfschema/include/btr0sea.ic b/perfschema/include/btr0sea.ic new file mode 100644 index 00000000000..beadeeb8d02 --- /dev/null +++ b/perfschema/include/btr0sea.ic @@ -0,0 +1,84 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/btr0sea.ic +The index tree adaptive search + +Created 2/17/1996 Heikki Tuuri +*************************************************************************/ + +#include "dict0mem.h" +#include "btr0cur.h" +#include "buf0buf.h" + +/*********************************************************************//** +Updates the search info. */ +UNIV_INTERN +void +btr_search_info_update_slow( +/*========================*/ + btr_search_t* info, /*!< in/out: search info */ + btr_cur_t* cursor);/*!< in: cursor which was just positioned */ + +/********************************************************************//** +Returns search info for an index. +@return search info; search mutex reserved */ +UNIV_INLINE +btr_search_t* +btr_search_get_info( +/*================*/ + dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + + return(index->search_info); +} + +/*********************************************************************//** +Updates the search info. */ +UNIV_INLINE +void +btr_search_info_update( +/*===================*/ + dict_index_t* index, /*!< in: index of the cursor */ + btr_cur_t* cursor) /*!< in: cursor which was just positioned */ +{ + btr_search_t* info; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); + ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + info = btr_search_get_info(index); + + info->hash_analysis++; + + if (info->hash_analysis < BTR_SEARCH_HASH_ANALYSIS) { + + /* Do nothing */ + + return; + + } + + ut_ad(cursor->flag != BTR_CUR_HASH); + + btr_search_info_update_slow(info, cursor); +} diff --git a/perfschema/include/btr0types.h b/perfschema/include/btr0types.h new file mode 100644 index 00000000000..ef4a6b04b34 --- /dev/null +++ b/perfschema/include/btr0types.h @@ -0,0 +1,51 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/btr0types.h +The index tree general types + +Created 2/17/1996 Heikki Tuuri +*************************************************************************/ + +#ifndef btr0types_h +#define btr0types_h + +#include "univ.i" + +#include "rem0types.h" +#include "page0types.h" + +/** Persistent cursor */ +typedef struct btr_pcur_struct btr_pcur_t; +/** B-tree cursor */ +typedef struct btr_cur_struct btr_cur_t; +/** B-tree search information for the adaptive hash index */ +typedef struct btr_search_struct btr_search_t; + +/** The size of a reference to data stored on a different page. +The reference is stored at the end of the prefix of the field +in the index record. */ +#define BTR_EXTERN_FIELD_REF_SIZE 20 + +/** A BLOB field reference full of zero, for use in assertions and tests. +Initially, BLOB field references are set to zero, in +dtuple_convert_big_rec(). */ +extern const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; + +#endif diff --git a/perfschema/include/buf0buddy.h b/perfschema/include/buf0buddy.h new file mode 100644 index 00000000000..7648950d5d1 --- /dev/null +++ b/perfschema/include/buf0buddy.h @@ -0,0 +1,90 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0buddy.h +Binary buddy allocator for compressed pages + +Created December 2006 by Marko Makela +*******************************************************/ + +#ifndef buf0buddy_h +#define buf0buddy_h + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE +#endif + +#include "univ.i" +#include "buf0types.h" + +/**********************************************************************//** +Allocate a block. The thread calling this function must hold +buf_pool_mutex and must not hold buf_pool_zip_mutex or any +block->mutex. The buf_pool_mutex may only be released and reacquired +if lru != NULL. This function should only be used for allocating +compressed page frames or control blocks (buf_page_t). Allocated +control blocks must be properly initialized immediately after +buf_buddy_alloc() has returned the memory, before releasing +buf_pool_mutex. +@return allocated block, possibly NULL if lru == NULL */ +UNIV_INLINE +void* +buf_buddy_alloc( +/*============*/ + ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ + ibool* lru) /*!< in: pointer to a variable that will be assigned + TRUE if storage was allocated from the LRU list + and buf_pool_mutex was temporarily released, + or NULL if the LRU list should not be used */ + __attribute__((malloc)); + +/**********************************************************************//** +Release a block. */ +UNIV_INLINE +void +buf_buddy_free( +/*===========*/ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ + __attribute__((nonnull)); + +/** Statistics of buddy blocks of a given size. */ +struct buf_buddy_stat_struct { + /** Number of blocks allocated from the buddy system. */ + ulint used; + /** Number of blocks relocated by the buddy system. */ + ib_uint64_t relocated; + /** Total duration of block relocations, in microseconds. */ + ib_uint64_t relocated_usec; +}; + +/** Statistics of buddy blocks of a given size. */ +typedef struct buf_buddy_stat_struct buf_buddy_stat_t; + +/** Statistics of the buddy system, indexed by block size. +Protected by buf_pool_mutex. */ +extern buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; + +#ifndef UNIV_NONINL +# include "buf0buddy.ic" +#endif + +#endif /* buf0buddy_h */ diff --git a/perfschema/include/buf0buddy.ic b/perfschema/include/buf0buddy.ic new file mode 100644 index 00000000000..c419a2374d9 --- /dev/null +++ b/perfschema/include/buf0buddy.ic @@ -0,0 +1,127 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0buddy.ic +Binary buddy allocator for compressed pages + +Created December 2006 by Marko Makela +*******************************************************/ + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE +#endif + +#include "buf0buf.h" +#include "buf0buddy.h" +#include "ut0ut.h" +#include "sync0sync.h" + +/**********************************************************************//** +Allocate a block. The thread calling this function must hold +buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. +The buf_pool_mutex may only be released and reacquired if lru != NULL. +@return allocated block, possibly NULL if lru==NULL */ +UNIV_INTERN +void* +buf_buddy_alloc_low( +/*================*/ + ulint i, /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ + ibool* lru) /*!< in: pointer to a variable that will be assigned + TRUE if storage was allocated from the LRU list + and buf_pool_mutex was temporarily released, + or NULL if the LRU list should not be used */ + __attribute__((malloc)); + +/**********************************************************************//** +Deallocate a block. */ +UNIV_INTERN +void +buf_buddy_free_low( +/*===============*/ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint i) /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ + __attribute__((nonnull)); + +/**********************************************************************//** +Get the index of buf_pool->zip_free[] for a given block size. +@return index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ +UNIV_INLINE +ulint +buf_buddy_get_slot( +/*===============*/ + ulint size) /*!< in: block size */ +{ + ulint i; + ulint s; + + for (i = 0, s = BUF_BUDDY_LOW; s < size; i++, s <<= 1) { + } + + ut_ad(i <= BUF_BUDDY_SIZES); + return(i); +} + +/**********************************************************************//** +Allocate a block. The thread calling this function must hold +buf_pool_mutex and must not hold buf_pool_zip_mutex or any +block->mutex. The buf_pool_mutex may only be released and reacquired +if lru != NULL. This function should only be used for allocating +compressed page frames or control blocks (buf_page_t). Allocated +control blocks must be properly initialized immediately after +buf_buddy_alloc() has returned the memory, before releasing +buf_pool_mutex. +@return allocated block, possibly NULL if lru == NULL */ +UNIV_INLINE +void* +buf_buddy_alloc( +/*============*/ + ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ + ibool* lru) /*!< in: pointer to a variable that will be assigned + TRUE if storage was allocated from the LRU list + and buf_pool_mutex was temporarily released, + or NULL if the LRU list should not be used */ +{ + ut_ad(buf_pool_mutex_own()); + + return(buf_buddy_alloc_low(buf_buddy_get_slot(size), lru)); +} + +/**********************************************************************//** +Deallocate a block. */ +UNIV_INLINE +void +buf_buddy_free( +/*===========*/ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ +{ + ut_ad(buf_pool_mutex_own()); + + buf_buddy_free_low(buf, buf_buddy_get_slot(size)); +} + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE UNIV_INLINE_ORIGINAL +#endif diff --git a/perfschema/include/buf0buf.h b/perfschema/include/buf0buf.h new file mode 100644 index 00000000000..38c163feeb4 --- /dev/null +++ b/perfschema/include/buf0buf.h @@ -0,0 +1,1633 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0buf.h +The database buffer pool high-level routines + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef buf0buf_h +#define buf0buf_h + +#include "univ.i" +#include "fil0fil.h" +#include "mtr0types.h" +#include "buf0types.h" +#include "hash0hash.h" +#include "ut0byte.h" +#include "page0types.h" +#ifndef UNIV_HOTBACKUP +#include "ut0rbt.h" +#include "os0proc.h" + +/** @name Modes for buf_page_get_gen */ +/* @{ */ +#define BUF_GET 10 /*!< get always */ +#define BUF_GET_IF_IN_POOL 11 /*!< get if in pool */ +#define BUF_GET_NO_LATCH 14 /*!< get and bufferfix, but + set no latch; we have + separated this case, because + it is error-prone programming + not to set a latch, and it + should be used with care */ +#define BUF_GET_IF_IN_POOL_OR_WATCH 15 + /*!< Get the page only if it's in the + buffer pool, if not then set a watch + on the page. */ +/* @} */ +/** @name Modes for buf_page_get_known_nowait */ +/* @{ */ +#define BUF_MAKE_YOUNG 51 /*!< Move the block to the + start of the LRU list if there + is a danger that the block + would drift out of the buffer + pool*/ +#define BUF_KEEP_OLD 52 /*!< Preserve the current LRU + position of the block. */ +/* @} */ + +extern buf_pool_t* buf_pool; /*!< The buffer pool of the database */ +#ifdef UNIV_DEBUG +extern ibool buf_debug_prints;/*!< If this is set TRUE, the program + prints info whenever read or flush + occurs */ +#endif /* UNIV_DEBUG */ +extern ulint srv_buf_pool_write_requests; /*!< variable to count write request + issued */ +#else /* !UNIV_HOTBACKUP */ +extern buf_block_t* back_block1; /*!< first block, for --apply-log */ +extern buf_block_t* back_block2; /*!< second block, for page reorganize */ +#endif /* !UNIV_HOTBACKUP */ + +/** Magic value to use instead of checksums when they are disabled */ +#define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL + +/** @brief States of a control block +@see buf_page_struct + +The enumeration values must be 0..7. */ +enum buf_page_state { + BUF_BLOCK_ZIP_FREE = 0, /*!< contains a free + compressed page */ + BUF_BLOCK_POOL_WATCH = 0, /*!< a sentinel for the buffer pool + watch, element of buf_pool_watch[] */ + BUF_BLOCK_ZIP_PAGE, /*!< contains a clean + compressed page */ + BUF_BLOCK_ZIP_DIRTY, /*!< contains a compressed + page that is in the + buf_pool->flush_list */ + + BUF_BLOCK_NOT_USED, /*!< is in the free list; + must be after the BUF_BLOCK_ZIP_ + constants for compressed-only pages + @see buf_block_state_valid() */ + BUF_BLOCK_READY_FOR_USE, /*!< when buf_LRU_get_free_block + returns a block, it is in this state */ + BUF_BLOCK_FILE_PAGE, /*!< contains a buffered file page */ + BUF_BLOCK_MEMORY, /*!< contains some main memory + object */ + BUF_BLOCK_REMOVE_HASH /*!< hash index should be removed + before putting to the free list */ +}; + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Creates the buffer pool. +@return own: buf_pool object, NULL if not enough memory or error */ +UNIV_INTERN +buf_pool_t* +buf_pool_init(void); +/*===============*/ +/********************************************************************//** +Frees the buffer pool at shutdown. This must not be invoked before +freeing all mutexes. */ +UNIV_INTERN +void +buf_pool_free(void); +/*===============*/ + +/********************************************************************//** +Drops the adaptive hash index. To prevent a livelock, this function +is only to be called while holding btr_search_latch and while +btr_search_enabled == FALSE. */ +UNIV_INTERN +void +buf_pool_drop_hash_index(void); +/*==========================*/ + +/********************************************************************//** +Relocate a buffer control block. Relocates the block on the LRU list +and in buf_pool->page_hash. Does not relocate bpage->list. +The caller must take care of relocating bpage->list. */ +UNIV_INTERN +void +buf_relocate( +/*=========*/ + buf_page_t* bpage, /*!< in/out: control block being relocated; + buf_page_get_state(bpage) must be + BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ + buf_page_t* dpage) /*!< in/out: destination control block */ + __attribute__((nonnull)); +/********************************************************************//** +Resizes the buffer pool. */ +UNIV_INTERN +void +buf_pool_resize(void); +/*=================*/ +/*********************************************************************//** +Gets the current size of buffer buf_pool in bytes. +@return size in bytes */ +UNIV_INLINE +ulint +buf_pool_get_curr_size(void); +/*========================*/ +/********************************************************************//** +Gets the smallest oldest_modification lsn for any page in the pool. Returns +zero if all modified pages have been flushed to disk. +@return oldest modification in pool, zero if none */ +UNIV_INLINE +ib_uint64_t +buf_pool_get_oldest_modification(void); +/*==================================*/ +/********************************************************************//** +Allocates a buffer block. +@return own: the allocated block, in state BUF_BLOCK_MEMORY */ +UNIV_INLINE +buf_block_t* +buf_block_alloc( +/*============*/ + ulint zip_size); /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ +/********************************************************************//** +Frees a buffer block which does not contain a file page. */ +UNIV_INLINE +void +buf_block_free( +/*===========*/ + buf_block_t* block); /*!< in, own: block to be freed */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Copies contents of a buffer frame to a given buffer. +@return buf */ +UNIV_INLINE +byte* +buf_frame_copy( +/*===========*/ + byte* buf, /*!< in: buffer to copy to */ + const buf_frame_t* frame); /*!< in: buffer frame */ +#ifndef UNIV_HOTBACKUP +/**************************************************************//** +NOTE! The following macros should be used instead of buf_page_get_gen, +to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed +in LA! */ +#define buf_page_get(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ + SP, ZS, OF, LA, NULL,\ + BUF_GET, __FILE__, __LINE__, MTR) +/**************************************************************//** +Use these macros to bufferfix a page with no latching. Remember not to +read the contents of the page unless you know it is safe. Do not modify +the contents of the page! We have separated this case, because it is +error-prone programming not to set a latch, and it should be used +with care. */ +#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ + SP, ZS, OF, RW_NO_LATCH, NULL,\ + BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) +/********************************************************************//** +This is the general function used to get optimistic access to a database +page. +@return TRUE if success */ +UNIV_INTERN +ibool +buf_page_optimistic_get( +/*====================*/ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: guessed block */ + ib_uint64_t modify_clock,/*!< in: modify clock value if mode is + ..._GUESS_ON_CLOCK */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ +/********************************************************************//** +This is used to get access to a known database page, when no waiting can be +done. +@return TRUE if success */ +UNIV_INTERN +ibool +buf_page_get_known_nowait( +/*======================*/ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ + buf_block_t* block, /*!< in: the known page */ + ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ + +/*******************************************************************//** +Given a tablespace id and page number tries to get that page. If the +page is not in the buffer pool it is not loaded and NULL is returned. +Suitable for using when holding the kernel mutex. */ +UNIV_INTERN +const buf_block_t* +buf_page_try_get_func( +/*==================*/ + ulint space_id,/*!< in: tablespace id */ + ulint page_no,/*!< in: page number */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ + +/** Tries to get a page. If the page is not in the buffer pool it is +not loaded. Suitable for using when holding the kernel mutex. +@param space_id in: tablespace id +@param page_no in: page number +@param mtr in: mini-transaction +@return the page if in buffer pool, NULL if not */ +#define buf_page_try_get(space_id, page_no, mtr) \ + buf_page_try_get_func(space_id, page_no, __FILE__, __LINE__, mtr); + +/********************************************************************//** +Get read access to a compressed page (usually of type +FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). +The page must be released with buf_page_release_zip(). +NOTE: the page is not protected by any latch. Mutual exclusion has to +be implemented at a higher level. In other words, all possible +accesses to a given page through this function must be protected by +the same set of mutexes or latches. +@return pointer to the block, or NULL if not compressed */ +UNIV_INTERN +buf_page_t* +buf_page_get_zip( +/*=============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +This is the general function used to get access to a database page. +@return pointer to the block or NULL */ +UNIV_INTERN +buf_block_t* +buf_page_get_gen( +/*=============*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint offset, /*!< in: page number */ + ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ + buf_block_t* guess, /*!< in: guessed block or NULL */ + ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, + BUF_GET_NO_LATCH or + BUF_GET_IF_IN_POOL_OR_WATCH */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr); /*!< in: mini-transaction */ +/********************************************************************//** +Initializes a page to the buffer buf_pool. The page is usually not read +from a file even if it cannot be found in the buffer buf_pool. This is one +of the functions which perform to a block a state transition NOT_USED => +FILE_PAGE (the other is buf_page_get_gen). +@return pointer to the block, page bufferfixed */ +UNIV_INTERN +buf_block_t* +buf_page_create( +/*============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space in units of + a page */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +#else /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ +UNIV_INTERN +void +buf_page_init_for_backup_restore( +/*=============================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space + in units of a page */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + buf_block_t* block); /*!< in: block to init */ +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Releases a compressed-only page acquired with buf_page_get_zip(). */ +UNIV_INLINE +void +buf_page_release_zip( +/*=================*/ + buf_page_t* bpage); /*!< in: buffer block */ +/********************************************************************//** +Decrements the bufferfix count of a buffer control block and releases +a latch, if specified. */ +UNIV_INLINE +void +buf_page_release( +/*=============*/ + buf_block_t* block, /*!< in: buffer block */ + ulint rw_latch); /*!< in: RW_S_LATCH, RW_X_LATCH, + RW_NO_LATCH */ +/********************************************************************//** +Moves a page to the start of the buffer pool LRU list. This high-level +function can be used to prevent an important page from slipping out of +the buffer pool. */ +UNIV_INTERN +void +buf_page_make_young( +/*================*/ + buf_page_t* bpage); /*!< in: buffer block of a file page */ +/********************************************************************//** +Returns TRUE if the page can be found in the buffer pool hash table. + +NOTE that it is possible that the page is not yet read from disk, +though. + +@return TRUE if found in the page hash table */ +UNIV_INLINE +ibool +buf_page_peek( +/*==========*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +Resets the check_index_page_at_flush field of a page if found in the buffer +pool. */ +UNIV_INTERN +void +buf_reset_check_index_page_at_flush( +/*================================*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +#ifdef UNIV_DEBUG_FILE_ACCESSES +/********************************************************************//** +Sets file_page_was_freed TRUE if the page is found in the buffer pool. +This function should be called when we free a file page and want the +debug version to check that it is not accessed any more unless +reallocated. +@return control block if found in page hash table, otherwise NULL */ +UNIV_INTERN +buf_page_t* +buf_page_set_file_page_was_freed( +/*=============================*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +Sets file_page_was_freed FALSE if the page is found in the buffer pool. +This function should be called when we free a file page and want the +debug version to check that it is not accessed any more unless +reallocated. +@return control block if found in page hash table, otherwise NULL */ +UNIV_INTERN +buf_page_t* +buf_page_reset_file_page_was_freed( +/*===============================*/ + ulint space, /*!< in: space id */ + ulint offset); /*!< in: page number */ +#endif /* UNIV_DEBUG_FILE_ACCESSES */ +/********************************************************************//** +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ +UNIV_INLINE +ulint +buf_page_get_freed_page_clock( +/*==========================*/ + const buf_page_t* bpage) /*!< in: block */ + __attribute__((pure)); +/********************************************************************//** +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ +UNIV_INLINE +ulint +buf_block_get_freed_page_clock( +/*===========================*/ + const buf_block_t* block) /*!< in: block */ + __attribute__((pure)); + +/********************************************************************//** +Recommends a move of a block to the start of the LRU list if there is danger +of dropping from the buffer pool. NOTE: does not reserve the buffer pool +mutex. +@return TRUE if should be made younger */ +UNIV_INLINE +ibool +buf_page_peek_if_too_old( +/*=====================*/ + const buf_page_t* bpage); /*!< in: block to make younger */ +/********************************************************************//** +Returns the current state of is_hashed of a page. FALSE if the page is +not in the pool. NOTE that this operation does not fix the page in the +pool if it is found there. +@return TRUE if page hash index is built in search system */ +UNIV_INTERN +ibool +buf_page_peek_if_search_hashed( +/*===========================*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +Gets the youngest modification log sequence number for a frame. +Returns zero if not file page or no modification occurred yet. +@return newest modification to page */ +UNIV_INLINE +ib_uint64_t +buf_page_get_newest_modification( +/*=============================*/ + const buf_page_t* bpage); /*!< in: block containing the + page frame */ +/********************************************************************//** +Increments the modify clock of a frame by 1. The caller must (1) own the +buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock +on the block. */ +UNIV_INLINE +void +buf_block_modify_clock_inc( +/*=======================*/ + buf_block_t* block); /*!< in: block */ +/********************************************************************//** +Returns the value of the modify clock. The caller must have an s-lock +or x-lock on the block. +@return value */ +UNIV_INLINE +ib_uint64_t +buf_block_get_modify_clock( +/*=======================*/ + buf_block_t* block); /*!< in: block */ +#else /* !UNIV_HOTBACKUP */ +# define buf_block_modify_clock_inc(block) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Calculates a page checksum which is stored to the page when it is written +to a file. Note that we must be careful to calculate the same value +on 32-bit and 64-bit architectures. +@return checksum */ +UNIV_INTERN +ulint +buf_calc_page_new_checksum( +/*=======================*/ + const byte* page); /*!< in: buffer page */ +/********************************************************************//** +In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only +looked at the first few bytes of the page. This calculates that old +checksum. +NOTE: we must first store the new formula checksum to +FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum +because this takes that field as an input! +@return checksum */ +UNIV_INTERN +ulint +buf_calc_page_old_checksum( +/*=======================*/ + const byte* page); /*!< in: buffer page */ +/********************************************************************//** +Checks if a page is corrupt. +@return TRUE if corrupted */ +UNIV_INTERN +ibool +buf_page_is_corrupted( +/*==================*/ + const byte* read_buf, /*!< in: a database page */ + ulint zip_size); /*!< in: size of compressed page; + 0 for uncompressed pages */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Gets the space id, page offset, and byte offset within page of a +pointer pointing to a buffer frame containing a file page. */ +UNIV_INLINE +void +buf_ptr_get_fsp_addr( +/*=================*/ + const void* ptr, /*!< in: pointer to a buffer frame */ + ulint* space, /*!< out: space id */ + fil_addr_t* addr); /*!< out: page offset and byte offset */ +/**********************************************************************//** +Gets the hash value of a block. This can be used in searches in the +lock hash table. +@return lock hash value */ +UNIV_INLINE +ulint +buf_block_get_lock_hash_val( +/*========================*/ + const buf_block_t* block) /*!< in: block */ + __attribute__((pure)); +#ifdef UNIV_DEBUG +/*********************************************************************//** +Finds a block in the buffer pool that points to a +given compressed page. +@return buffer block pointing to the compressed page, or NULL */ +UNIV_INTERN +buf_block_t* +buf_pool_contains_zip( +/*==================*/ + const void* data); /*!< in: pointer to compressed page */ +#endif /* UNIV_DEBUG */ +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/*********************************************************************//** +Validates the buffer pool data structure. +@return TRUE */ +UNIV_INTERN +ibool +buf_validate(void); +/*==============*/ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/*********************************************************************//** +Prints info of the buffer pool data structure. */ +UNIV_INTERN +void +buf_print(void); +/*============*/ +#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Prints a page to stderr. */ +UNIV_INTERN +void +buf_page_print( +/*===========*/ + const byte* read_buf, /*!< in: a database page */ + ulint zip_size); /*!< in: compressed page size, or + 0 for uncompressed pages */ +/********************************************************************//** +Decompress a block. +@return TRUE if successful */ +UNIV_INTERN +ibool +buf_zip_decompress( +/*===============*/ + buf_block_t* block, /*!< in/out: block */ + ibool check); /*!< in: TRUE=verify the page checksum */ +#ifndef UNIV_HOTBACKUP +#ifdef UNIV_DEBUG +/*********************************************************************//** +Returns the number of latched pages in the buffer pool. +@return number of latched pages */ +UNIV_INTERN +ulint +buf_get_latched_pages_number(void); +/*==============================*/ +#endif /* UNIV_DEBUG */ +/*********************************************************************//** +Returns the number of pending buf pool ios. +@return number of pending I/O operations */ +UNIV_INTERN +ulint +buf_get_n_pending_ios(void); +/*=======================*/ +/*********************************************************************//** +Prints info of the buffer i/o. */ +UNIV_INTERN +void +buf_print_io( +/*=========*/ + FILE* file); /*!< in: file where to print */ +/*********************************************************************//** +Returns the ratio in percents of modified pages in the buffer pool / +database pages in the buffer pool. +@return modified page percentage ratio */ +UNIV_INTERN +ulint +buf_get_modified_ratio_pct(void); +/*============================*/ +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +buf_refresh_io_stats(void); +/*======================*/ +/*********************************************************************//** +Asserts that all file pages in the buffer are in a replaceable state. +@return TRUE */ +UNIV_INTERN +ibool +buf_all_freed(void); +/*===============*/ +/*********************************************************************//** +Checks that there currently are no pending i/o-operations for the buffer +pool. +@return TRUE if there is no pending i/o */ +UNIV_INTERN +ibool +buf_pool_check_no_pending_io(void); +/*==============================*/ +/*********************************************************************//** +Invalidates the file pages in the buffer pool when an archive recovery is +completed. All the file pages buffered must be in a replaceable state when +this function is called: not latched and not modified. */ +UNIV_INTERN +void +buf_pool_invalidate(void); +/*=====================*/ +#endif /* !UNIV_HOTBACKUP */ + +/*======================================================================== +--------------------------- LOWER LEVEL ROUTINES ------------------------- +=========================================================================*/ + +#ifdef UNIV_SYNC_DEBUG +/*********************************************************************//** +Adds latch level info for the rw-lock protecting the buffer frame. This +should be called in the debug version after a successful latching of a +page if we know the latching order level of the acquired latch. */ +UNIV_INLINE +void +buf_block_dbg_add_level( +/*====================*/ + buf_block_t* block, /*!< in: buffer page + where we have acquired latch */ + ulint level); /*!< in: latching order level */ +#else /* UNIV_SYNC_DEBUG */ +# define buf_block_dbg_add_level(block, level) /* nothing */ +#endif /* UNIV_SYNC_DEBUG */ +/*********************************************************************//** +Gets the state of a block. +@return state */ +UNIV_INLINE +enum buf_page_state +buf_page_get_state( +/*===============*/ + const buf_page_t* bpage); /*!< in: pointer to the control block */ +/*********************************************************************//** +Gets the state of a block. +@return state */ +UNIV_INLINE +enum buf_page_state +buf_block_get_state( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Sets the state of a block. */ +UNIV_INLINE +void +buf_page_set_state( +/*===============*/ + buf_page_t* bpage, /*!< in/out: pointer to control block */ + enum buf_page_state state); /*!< in: state */ +/*********************************************************************//** +Sets the state of a block. */ +UNIV_INLINE +void +buf_block_set_state( +/*================*/ + buf_block_t* block, /*!< in/out: pointer to control block */ + enum buf_page_state state); /*!< in: state */ +/*********************************************************************//** +Determines if a block is mapped to a tablespace. +@return TRUE if mapped */ +UNIV_INLINE +ibool +buf_page_in_file( +/*=============*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ + __attribute__((pure)); +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Determines if a block should be on unzip_LRU list. +@return TRUE if block belongs to unzip_LRU */ +UNIV_INLINE +ibool +buf_page_belongs_to_unzip_LRU( +/*==========================*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ + __attribute__((pure)); + +/*********************************************************************//** +Gets the mutex of a block. +@return pointer to mutex protecting bpage */ +UNIV_INLINE +mutex_t* +buf_page_get_mutex( +/*===============*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ + __attribute__((pure)); + +/*********************************************************************//** +Get the flush type of a page. +@return flush type */ +UNIV_INLINE +enum buf_flush +buf_page_get_flush_type( +/*====================*/ + const buf_page_t* bpage) /*!< in: buffer page */ + __attribute__((pure)); +/*********************************************************************//** +Set the flush type of a page. */ +UNIV_INLINE +void +buf_page_set_flush_type( +/*====================*/ + buf_page_t* bpage, /*!< in: buffer page */ + enum buf_flush flush_type); /*!< in: flush type */ +/*********************************************************************//** +Map a block to a file page. */ +UNIV_INLINE +void +buf_block_set_file_page( +/*====================*/ + buf_block_t* block, /*!< in/out: pointer to control block */ + ulint space, /*!< in: tablespace id */ + ulint page_no);/*!< in: page number */ +/*********************************************************************//** +Gets the io_fix state of a block. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_page_get_io_fix( +/*================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the io_fix state of a block. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_block_get_io_fix( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Sets the io_fix state of a block. */ +UNIV_INLINE +void +buf_page_set_io_fix( +/*================*/ + buf_page_t* bpage, /*!< in/out: control block */ + enum buf_io_fix io_fix);/*!< in: io_fix state */ +/*********************************************************************//** +Sets the io_fix state of a block. */ +UNIV_INLINE +void +buf_block_set_io_fix( +/*=================*/ + buf_block_t* block, /*!< in/out: control block */ + enum buf_io_fix io_fix);/*!< in: io_fix state */ + +/********************************************************************//** +Determine if a buffer block can be relocated in memory. The block +can be dirty, but it must not be I/O-fixed or bufferfixed. */ +UNIV_INLINE +ibool +buf_page_can_relocate( +/*==================*/ + const buf_page_t* bpage) /*!< control block being relocated */ + __attribute__((pure)); + +/*********************************************************************//** +Determine if a block has been flagged old. +@return TRUE if old */ +UNIV_INLINE +ibool +buf_page_is_old( +/*============*/ + const buf_page_t* bpage) /*!< in: control block */ + __attribute__((pure)); +/*********************************************************************//** +Flag a block old. */ +UNIV_INLINE +void +buf_page_set_old( +/*=============*/ + buf_page_t* bpage, /*!< in/out: control block */ + ibool old); /*!< in: old */ +/*********************************************************************//** +Determine the time of first access of a block in the buffer pool. +@return ut_time_ms() at the time of first access, 0 if not accessed */ +UNIV_INLINE +unsigned +buf_page_is_accessed( +/*=================*/ + const buf_page_t* bpage) /*!< in: control block */ + __attribute__((nonnull, pure)); +/*********************************************************************//** +Flag a block accessed. */ +UNIV_INLINE +void +buf_page_set_accessed( +/*==================*/ + buf_page_t* bpage, /*!< in/out: control block */ + ulint time_ms) /*!< in: ut_time_ms() */ + __attribute__((nonnull)); +/*********************************************************************//** +Gets the buf_block_t handle of a buffered file block if an uncompressed +page frame exists, or NULL. +@return control block, or NULL */ +UNIV_INLINE +buf_block_t* +buf_page_get_block( +/*===============*/ + buf_page_t* bpage) /*!< in: control block, or NULL */ + __attribute__((pure)); +#endif /* !UNIV_HOTBACKUP */ +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets a pointer to the memory frame of a block. +@return pointer to the frame */ +UNIV_INLINE +buf_frame_t* +buf_block_get_frame( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +#else /* UNIV_DEBUG */ +# define buf_block_get_frame(block) (block)->frame +#endif /* UNIV_DEBUG */ +/*********************************************************************//** +Gets the space id of a block. +@return space id */ +UNIV_INLINE +ulint +buf_page_get_space( +/*===============*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the space id of a block. +@return space id */ +UNIV_INLINE +ulint +buf_block_get_space( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the page number of a block. +@return page number */ +UNIV_INLINE +ulint +buf_page_get_page_no( +/*=================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the page number of a block. +@return page number */ +UNIV_INLINE +ulint +buf_block_get_page_no( +/*==================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the compressed page size of a block. +@return compressed page size, or 0 */ +UNIV_INLINE +ulint +buf_page_get_zip_size( +/*==================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the compressed page size of a block. +@return compressed page size, or 0 */ +UNIV_INLINE +ulint +buf_block_get_zip_size( +/*===================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the compressed page descriptor corresponding to an uncompressed page +if applicable. */ +#define buf_block_get_page_zip(block) \ + (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Gets the block to whose frame the pointer is pointing to. +@return pointer to block, never NULL */ +UNIV_INTERN +buf_block_t* +buf_block_align( +/*============*/ + const byte* ptr); /*!< in: pointer to a frame */ +/********************************************************************//** +Find out if a pointer belongs to a buf_block_t. It can be a pointer to +the buf_block_t itself or a member of it +@return TRUE if ptr belongs to a buf_block_t struct */ +UNIV_INTERN +ibool +buf_pointer_is_block_field( +/*=======================*/ + const void* ptr); /*!< in: pointer not + dereferenced */ +/** Find out if a pointer corresponds to a buf_block_t::mutex. +@param m in: mutex candidate +@return TRUE if m is a buf_block_t::mutex */ +#define buf_pool_is_block_mutex(m) \ + buf_pointer_is_block_field((const void*)(m)) +/** Find out if a pointer corresponds to a buf_block_t::lock. +@param l in: rw-lock candidate +@return TRUE if l is a buf_block_t::lock */ +#define buf_pool_is_block_lock(l) \ + buf_pointer_is_block_field((const void*)(l)) + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +/*********************************************************************//** +Gets the compressed page descriptor corresponding to an uncompressed page +if applicable. +@return compressed page descriptor, or NULL */ +UNIV_INLINE +const page_zip_des_t* +buf_frame_get_page_zip( +/*===================*/ + const byte* ptr); /*!< in: pointer to the page */ +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +/********************************************************************//** +Function which inits a page for read to the buffer buf_pool. If the page is +(1) already in buf_pool, or +(2) if we specify to read only ibuf pages and the page is not an ibuf page, or +(3) if the space is deleted or being deleted, +then this function does nothing. +Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock +on the buffer frame. The io-handler must take care that the flag is cleared +and the lock released later. +@return pointer to the block or NULL */ +UNIV_INTERN +buf_page_t* +buf_page_init_for_read( +/*===================*/ + ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ + ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or 0 */ + ibool unzip, /*!< in: TRUE=request uncompressed page */ + ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong + version of the tablespace in case we have done + DISCARD + IMPORT */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +Completes an asynchronous read or write request of a file page to or from +the buffer pool. */ +UNIV_INTERN +void +buf_page_io_complete( +/*=================*/ + buf_page_t* bpage); /*!< in: pointer to the block in question */ +/********************************************************************//** +Calculates a folded value of a file page address to use in the page hash +table. +@return the folded value */ +UNIV_INLINE +ulint +buf_page_address_fold( +/*==================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ + __attribute__((const)); +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found */ +UNIV_INLINE +buf_page_t* +buf_page_hash_get_low( +/*==================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space */ + ulint fold); /*!< in: buf_page_address_fold(space, offset) */ +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found or not a real control block */ +UNIV_INLINE +buf_page_t* +buf_page_hash_get( +/*==============*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: offset of the page within space */ +/******************************************************************//** +Returns the control block of a file page, NULL if not found +or an uncompressed page frame does not exist. +@return block, NULL if not found */ +UNIV_INLINE +buf_block_t* +buf_block_hash_get( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: offset of the page within space */ +/*********************************************************************//** +Gets the current length of the free list of buffer blocks. +@return length of the free list */ +UNIV_INTERN +ulint +buf_get_free_list_len(void); +/*=======================*/ + +/******************************************************************** +Determine if a block is a sentinel for a buffer pool watch. +@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ +UNIV_INTERN +ibool +buf_pool_watch_is( +/*==============*/ + const buf_page_t* bpage) /*!< in: block */ + __attribute__((nonnull, warn_unused_result)); +/****************************************************************//** +Add watch for the given page to be read in. Caller must have the buffer pool +@return NULL if watch set, block if the page is in the buffer pool */ +UNIV_INTERN +buf_page_t* +buf_pool_watch_set( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: page number */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ + __attribute__((warn_unused_result)); +/****************************************************************//** +Stop watching if the page has been read in. +buf_pool_watch_set(space,offset) must have returned NULL before. */ +UNIV_INTERN +void +buf_pool_watch_unset( +/*=================*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: page number */ +/****************************************************************//** +Check if the page has been read in. +This may only be called after buf_pool_watch_set(space,offset) +has returned NULL and before invoking buf_pool_watch_unset(space,offset). +@return FALSE if the given page was not read in, TRUE if it was */ +UNIV_INTERN +ibool +buf_pool_watch_occurred( +/*====================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ + __attribute__((warn_unused_result)); +#endif /* !UNIV_HOTBACKUP */ + +/** The common buffer control block structure +for compressed and uncompressed frames */ + +struct buf_page_struct{ + /** @name General fields + None of these bit-fields must be modified without holding + buf_page_get_mutex() [buf_block_struct::mutex or + buf_pool_zip_mutex], since they can be stored in the same + machine word. Some of these fields are additionally protected + by buf_pool_mutex. */ + /* @{ */ + + unsigned space:32; /*!< tablespace id; also protected + by buf_pool_mutex. */ + unsigned offset:32; /*!< page number; also protected + by buf_pool_mutex. */ + + unsigned state:3; /*!< state of the control block; also + protected by buf_pool_mutex. + State transitions from + BUF_BLOCK_READY_FOR_USE to + BUF_BLOCK_MEMORY need not be + protected by buf_page_get_mutex(). + @see enum buf_page_state */ +#ifndef UNIV_HOTBACKUP + unsigned flush_type:2; /*!< if this block is currently being + flushed to disk, this tells the + flush_type. + @see enum buf_flush */ + unsigned io_fix:2; /*!< type of pending I/O operation; + also protected by buf_pool_mutex + @see enum buf_io_fix */ + unsigned buf_fix_count:25;/*!< count of how manyfold this block + is currently bufferfixed */ + /* @} */ +#endif /* !UNIV_HOTBACKUP */ + page_zip_des_t zip; /*!< compressed page; zip.data + (but not the data it points to) is + also protected by buf_pool_mutex; + state == BUF_BLOCK_ZIP_PAGE and + zip.data == NULL means an active + buf_pool_watch */ +#ifndef UNIV_HOTBACKUP + buf_page_t* hash; /*!< node used in chaining to + buf_pool->page_hash or + buf_pool->zip_hash */ +#ifdef UNIV_DEBUG + ibool in_page_hash; /*!< TRUE if in buf_pool->page_hash */ + ibool in_zip_hash; /*!< TRUE if in buf_pool->zip_hash */ +#endif /* UNIV_DEBUG */ + + /** @name Page flushing fields + All these are protected by buf_pool_mutex. */ + /* @{ */ + + UT_LIST_NODE_T(buf_page_t) list; + /*!< based on state, this is a + list node, protected either by + buf_pool_mutex or by + flush_list_mutex, in one of the + following lists in buf_pool: + + - BUF_BLOCK_NOT_USED: free + - BUF_BLOCK_FILE_PAGE: flush_list + - BUF_BLOCK_ZIP_DIRTY: flush_list + - BUF_BLOCK_ZIP_PAGE: zip_clean + - BUF_BLOCK_ZIP_FREE: zip_free[] + + If bpage is part of flush_list + then the node pointers are + covered by flush_list_mutex. + Otherwise these pointers are + protected by buf_pool_mutex. + + The contents of the list node + is undefined if !in_flush_list + && state == BUF_BLOCK_FILE_PAGE, + or if state is one of + BUF_BLOCK_MEMORY, + BUF_BLOCK_REMOVE_HASH or + BUF_BLOCK_READY_IN_USE. */ + +#ifdef UNIV_DEBUG + ibool in_flush_list; /*!< TRUE if in buf_pool->flush_list; + when flush_list_mutex is free, the + following should hold: in_flush_list + == (state == BUF_BLOCK_FILE_PAGE + || state == BUF_BLOCK_ZIP_DIRTY) + Writes to this field must be + covered by both block->mutex + and flush_list_mutex. Hence + reads can happen while holding + any one of the two mutexes */ + ibool in_free_list; /*!< TRUE if in buf_pool->free; when + buf_pool_mutex is free, the following + should hold: in_free_list + == (state == BUF_BLOCK_NOT_USED) */ +#endif /* UNIV_DEBUG */ + ib_uint64_t newest_modification; + /*!< log sequence number of + the youngest modification to + this block, zero if not + modified. Protected by block + mutex */ + ib_uint64_t oldest_modification; + /*!< log sequence number of + the START of the log entry + written of the oldest + modification to this block + which has not yet been flushed + on disk; zero if all + modifications are on disk. + Writes to this field must be + covered by both block->mutex + and flush_list_mutex. Hence + reads can happen while holding + any one of the two mutexes */ + /* @} */ + /** @name LRU replacement algorithm fields + These fields are protected by buf_pool_mutex only (not + buf_pool_zip_mutex or buf_block_struct::mutex). */ + /* @{ */ + + UT_LIST_NODE_T(buf_page_t) LRU; + /*!< node of the LRU list */ +#ifdef UNIV_DEBUG + ibool in_LRU_list; /*!< TRUE if the page is in + the LRU list; used in + debugging */ +#endif /* UNIV_DEBUG */ + unsigned old:1; /*!< TRUE if the block is in the old + blocks in buf_pool->LRU_old */ + unsigned freed_page_clock:31;/*!< the value of + buf_pool->freed_page_clock + when this block was the last + time put to the head of the + LRU list; a thread is allowed + to read this for heuristic + purposes without holding any + mutex or latch */ + unsigned access_time:32; /*!< time of first access, or + 0 if the block was never accessed + in the buffer pool */ + /* @} */ +# ifdef UNIV_DEBUG_FILE_ACCESSES + ibool file_page_was_freed; + /*!< this is set to TRUE when fsp + frees a page in buffer pool */ +# endif /* UNIV_DEBUG_FILE_ACCESSES */ +#endif /* !UNIV_HOTBACKUP */ +}; + +/** The buffer control block structure */ + +struct buf_block_struct{ + + /** @name General fields */ + /* @{ */ + + buf_page_t page; /*!< page information; this must + be the first field, so that + buf_pool->page_hash can point + to buf_page_t or buf_block_t */ + byte* frame; /*!< pointer to buffer frame which + is of size UNIV_PAGE_SIZE, and + aligned to an address divisible by + UNIV_PAGE_SIZE */ +#ifndef UNIV_HOTBACKUP + UT_LIST_NODE_T(buf_block_t) unzip_LRU; + /*!< node of the decompressed LRU list; + a block is in the unzip_LRU list + if page.state == BUF_BLOCK_FILE_PAGE + and page.zip.data != NULL */ +#ifdef UNIV_DEBUG + ibool in_unzip_LRU_list;/*!< TRUE if the page is in the + decompressed LRU list; + used in debugging */ +#endif /* UNIV_DEBUG */ + mutex_t mutex; /*!< mutex protecting this block: + state (also protected by the buffer + pool mutex), io_fix, buf_fix_count, + and accessed; we introduce this new + mutex in InnoDB-5.1 to relieve + contention on the buffer pool mutex */ + rw_lock_t lock; /*!< read-write lock of the buffer + frame */ + unsigned lock_hash_val:32;/*!< hashed value of the page address + in the record lock hash table; + protected by buf_block_t::lock + (or buf_block_t::mutex, buf_pool_mutex + in buf_page_get_gen(), + buf_page_init_for_read() + and buf_page_create()) */ + ibool check_index_page_at_flush; + /*!< TRUE if we know that this is + an index page, and want the database + to check its consistency before flush; + note that there may be pages in the + buffer pool which are index pages, + but this flag is not set because + we do not keep track of all pages; + NOT protected by any mutex */ + /* @} */ + /** @name Optimistic search field */ + /* @{ */ + + ib_uint64_t modify_clock; /*!< this clock is incremented every + time a pointer to a record on the + page may become obsolete; this is + used in the optimistic cursor + positioning: if the modify clock has + not changed, we know that the pointer + is still valid; this field may be + changed if the thread (1) owns the + pool mutex and the page is not + bufferfixed, or (2) the thread has an + x-latch on the block */ + /* @} */ + /** @name Hash search fields (unprotected) + NOTE that these fields are NOT protected by any semaphore! */ + /* @{ */ + + ulint n_hash_helps; /*!< counter which controls building + of a new hash index for the page */ + ulint n_fields; /*!< recommended prefix length for hash + search: number of full fields */ + ulint n_bytes; /*!< recommended prefix: number of bytes + in an incomplete field */ + ibool left_side; /*!< TRUE or FALSE, depending on + whether the leftmost record of several + records with the same prefix should be + indexed in the hash index */ + /* @} */ + + /** @name Hash search fields + These 6 fields may only be modified when we have + an x-latch on btr_search_latch AND + - we are holding an s-latch or x-latch on buf_block_struct::lock or + - we know that buf_block_struct::buf_fix_count == 0. + + An exception to this is when we init or create a page + in the buffer pool in buf0buf.c. */ + + /* @{ */ + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + ulint n_pointers; /*!< used in debugging: the number of + pointers in the adaptive hash index + pointing to this frame */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + unsigned is_hashed:1; /*!< TRUE if hash index has + already been built on this + page; note that it does not + guarantee that the index is + complete, though: there may + have been hash collisions, + record deletions, etc. */ + unsigned curr_n_fields:10;/*!< prefix length for hash indexing: + number of full fields */ + unsigned curr_n_bytes:15;/*!< number of bytes in hash + indexing */ + unsigned curr_left_side:1;/*!< TRUE or FALSE in hash indexing */ + dict_index_t* index; /*!< Index for which the adaptive + hash index has been created. */ + /* @} */ +# ifdef UNIV_SYNC_DEBUG + /** @name Debug fields */ + /* @{ */ + rw_lock_t debug_latch; /*!< in the debug version, each thread + which bufferfixes the block acquires + an s-latch here; so we can use the + debug utilities in sync0rw */ + /* @} */ +# endif +#endif /* !UNIV_HOTBACKUP */ +}; + +/** Check if a buf_block_t object is in a valid state +@param block buffer block +@return TRUE if valid */ +#define buf_block_state_valid(block) \ +(buf_block_get_state(block) >= BUF_BLOCK_NOT_USED \ + && (buf_block_get_state(block) <= BUF_BLOCK_REMOVE_HASH)) + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Compute the hash fold value for blocks in buf_pool->zip_hash. */ +/* @{ */ +#define BUF_POOL_ZIP_FOLD_PTR(ptr) ((ulint) (ptr) / UNIV_PAGE_SIZE) +#define BUF_POOL_ZIP_FOLD(b) BUF_POOL_ZIP_FOLD_PTR((b)->frame) +#define BUF_POOL_ZIP_FOLD_BPAGE(b) BUF_POOL_ZIP_FOLD((buf_block_t*) (b)) +/* @} */ + +/** @brief The buffer pool statistics structure. */ +struct buf_pool_stat_struct{ + ulint n_page_gets; /*!< number of page gets performed; + also successful searches through + the adaptive hash index are + counted as page gets; this field + is NOT protected by the buffer + pool mutex */ + ulint n_pages_read; /*!< number read operations */ + ulint n_pages_written;/*!< number write operations */ + ulint n_pages_created;/*!< number of pages created + in the pool with no read */ + ulint n_ra_pages_read;/*!< number of pages read in + as part of read ahead */ + ulint n_ra_pages_evicted;/*!< number of read ahead + pages that are evicted without + being accessed */ + ulint n_pages_made_young; /*!< number of pages made young, in + calls to buf_LRU_make_block_young() */ + ulint n_pages_not_made_young; /*!< number of pages not made + young because the first access + was not long enough ago, in + buf_page_peek_if_too_old() */ +}; + +/** @brief The buffer pool structure. + +NOTE! The definition appears here only for other modules of this +directory (buf) to see it. Do not use from outside! */ + +struct buf_pool_struct{ + + /** @name General fields */ + /* @{ */ + + ulint n_chunks; /*!< number of buffer pool chunks */ + buf_chunk_t* chunks; /*!< buffer pool chunks */ + ulint curr_size; /*!< current pool size in pages */ + hash_table_t* page_hash; /*!< hash table of buf_page_t or + buf_block_t file pages, + buf_page_in_file() == TRUE, + indexed by (space_id, offset) */ + hash_table_t* zip_hash; /*!< hash table of buf_block_t blocks + whose frames are allocated to the + zip buddy system, + indexed by block->frame */ + ulint n_pend_reads; /*!< number of pending read operations */ + ulint n_pend_unzip; /*!< number of pending decompressions */ + + time_t last_printout_time; + /*!< when buf_print_io was last time + called */ + buf_pool_stat_t stat; /*!< current statistics */ + buf_pool_stat_t old_stat; /*!< old statistics */ + + /* @} */ + + /** @name Page flushing algorithm fields */ + + /* @{ */ + + mutex_t flush_list_mutex;/*!< mutex protecting the + flush list access. This mutex + protects flush_list, flush_rbt + and bpage::list pointers when + the bpage is on flush_list. It + also protects writes to + bpage::oldest_modification */ + UT_LIST_BASE_NODE_T(buf_page_t) flush_list; + /*!< base node of the modified block + list */ + ibool init_flush[BUF_FLUSH_N_TYPES]; + /*!< this is TRUE when a flush of the + given type is being initialized */ + ulint n_flush[BUF_FLUSH_N_TYPES]; + /*!< this is the number of pending + writes in the given flush type */ + os_event_t no_flush[BUF_FLUSH_N_TYPES]; + /*!< this is in the set state + when there is no flush batch + of the given type running */ + ib_rbt_t* flush_rbt; /*!< a red-black tree is used + exclusively during recovery to + speed up insertions in the + flush_list. This tree contains + blocks in order of + oldest_modification LSN and is + kept in sync with the + flush_list. + Each member of the tree MUST + also be on the flush_list. + This tree is relevant only in + recovery and is set to NULL + once the recovery is over. + Protected by flush_list_mutex */ + ulint freed_page_clock;/*!< a sequence number used + to count the number of buffer + blocks removed from the end of + the LRU list; NOTE that this + counter may wrap around at 4 + billion! A thread is allowed + to read this for heuristic + purposes without holding any + mutex or latch */ + ulint LRU_flush_ended;/*!< when an LRU flush ends for a page, + this is incremented by one; this is + set to zero when a buffer block is + allocated */ + /* @} */ + + /** @name LRU replacement algorithm fields */ + /* @{ */ + + UT_LIST_BASE_NODE_T(buf_page_t) free; + /*!< base node of the free + block list */ + UT_LIST_BASE_NODE_T(buf_page_t) LRU; + /*!< base node of the LRU list */ + buf_page_t* LRU_old; /*!< pointer to the about + buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV + oldest blocks in the LRU list; + NULL if LRU length less than + BUF_LRU_OLD_MIN_LEN; + NOTE: when LRU_old != NULL, its length + should always equal LRU_old_len */ + ulint LRU_old_len; /*!< length of the LRU list from + the block to which LRU_old points + onward, including that block; + see buf0lru.c for the restrictions + on this value; 0 if LRU_old == NULL; + NOTE: LRU_old_len must be adjusted + whenever LRU_old shrinks or grows! */ + + UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU; + /*!< base node of the + unzip_LRU list */ + + /* @} */ + /** @name Buddy allocator fields + The buddy allocator is used for allocating compressed page + frames and buf_page_t descriptors of blocks that exist + in the buffer pool only in compressed form. */ + /* @{ */ + UT_LIST_BASE_NODE_T(buf_page_t) zip_clean; + /*!< unmodified compressed pages */ + UT_LIST_BASE_NODE_T(buf_page_t) zip_free[BUF_BUDDY_SIZES]; + /*!< buddy free lists */ +#if BUF_BUDDY_HIGH != UNIV_PAGE_SIZE +# error "BUF_BUDDY_HIGH != UNIV_PAGE_SIZE" +#endif +#if BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE +# error "BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE" +#endif + /* @} */ +}; + +/** mutex protecting the buffer pool struct and control blocks, except the +read-write lock in them */ +extern mutex_t buf_pool_mutex; +/** mutex protecting the control blocks of compressed-only pages +(of type buf_page_t, not buf_block_t) */ +extern mutex_t buf_pool_zip_mutex; + +/** @name Accessors for buf_pool_mutex. +Use these instead of accessing buf_pool_mutex directly. */ +/* @{ */ + +/** Test if buf_pool_mutex is owned. */ +#define buf_pool_mutex_own() mutex_own(&buf_pool_mutex) +/** Acquire the buffer pool mutex. */ +#define buf_pool_mutex_enter() do { \ + ut_ad(!mutex_own(&buf_pool_zip_mutex)); \ + mutex_enter(&buf_pool_mutex); \ +} while (0) + +/** Test if flush list mutex is owned. */ +#define buf_flush_list_mutex_own() mutex_own(&buf_pool->flush_list_mutex) + +/** Acquire the flush list mutex. */ +#define buf_flush_list_mutex_enter() do { \ + mutex_enter(&buf_pool->flush_list_mutex); \ +} while (0) +/** Release the flush list mutex. */ +# define buf_flush_list_mutex_exit() do { \ + mutex_exit(&buf_pool->flush_list_mutex); \ +} while (0) + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/** Flag to forbid the release of the buffer pool mutex. +Protected by buf_pool_mutex. */ +extern ulint buf_pool_mutex_exit_forbidden; +/** Forbid the release of the buffer pool mutex. */ +# define buf_pool_mutex_exit_forbid() do { \ + ut_ad(buf_pool_mutex_own()); \ + buf_pool_mutex_exit_forbidden++; \ +} while (0) +/** Allow the release of the buffer pool mutex. */ +# define buf_pool_mutex_exit_allow() do { \ + ut_ad(buf_pool_mutex_own()); \ + ut_a(buf_pool_mutex_exit_forbidden); \ + buf_pool_mutex_exit_forbidden--; \ +} while (0) +/** Release the buffer pool mutex. */ +# define buf_pool_mutex_exit() do { \ + ut_a(!buf_pool_mutex_exit_forbidden); \ + mutex_exit(&buf_pool_mutex); \ +} while (0) +#else +/** Forbid the release of the buffer pool mutex. */ +# define buf_pool_mutex_exit_forbid() ((void) 0) +/** Allow the release of the buffer pool mutex. */ +# define buf_pool_mutex_exit_allow() ((void) 0) +/** Release the buffer pool mutex. */ +# define buf_pool_mutex_exit() mutex_exit(&buf_pool_mutex) +#endif +#endif /* !UNIV_HOTBACKUP */ +/* @} */ + +/********************************************************************** +Let us list the consistency conditions for different control block states. + +NOT_USED: is in free list, not in LRU list, not in flush list, nor + page hash table +READY_FOR_USE: is not in free list, LRU list, or flush list, nor page + hash table +MEMORY: is not in free list, LRU list, or flush list, nor page + hash table +FILE_PAGE: space and offset are defined, is in page hash table + if io_fix == BUF_IO_WRITE, + pool: no_flush[flush_type] is in reset state, + pool: n_flush[flush_type] > 0 + + (1) if buf_fix_count == 0, then + is in LRU list, not in free list + is in flush list, + if and only if oldest_modification > 0 + is x-locked, + if and only if io_fix == BUF_IO_READ + is s-locked, + if and only if io_fix == BUF_IO_WRITE + + (2) if buf_fix_count > 0, then + is not in LRU list, not in free list + is in flush list, + if and only if oldest_modification > 0 + if io_fix == BUF_IO_READ, + is x-locked + if io_fix == BUF_IO_WRITE, + is s-locked + +State transitions: + +NOT_USED => READY_FOR_USE +READY_FOR_USE => MEMORY +READY_FOR_USE => FILE_PAGE +MEMORY => NOT_USED +FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if + (1) buf_fix_count == 0, + (2) oldest_modification == 0, and + (3) io_fix == 0. +*/ + +#ifndef UNIV_NONINL +#include "buf0buf.ic" +#endif + +#endif diff --git a/perfschema/include/buf0buf.ic b/perfschema/include/buf0buf.ic new file mode 100644 index 00000000000..0a3572e3e49 --- /dev/null +++ b/perfschema/include/buf0buf.ic @@ -0,0 +1,1090 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0buf.ic +The database buffer buf_pool + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#include "mtr0mtr.h" +#ifndef UNIV_HOTBACKUP +#include "buf0flu.h" +#include "buf0lru.h" +#include "buf0rea.h" + +/********************************************************************//** +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ +UNIV_INLINE +ulint +buf_page_get_freed_page_clock( +/*==========================*/ + const buf_page_t* bpage) /*!< in: block */ +{ + /* This is sometimes read without holding buf_pool_mutex. */ + return(bpage->freed_page_clock); +} + +/********************************************************************//** +Reads the freed_page_clock of a buffer block. +@return freed_page_clock */ +UNIV_INLINE +ulint +buf_block_get_freed_page_clock( +/*===========================*/ + const buf_block_t* block) /*!< in: block */ +{ + return(buf_page_get_freed_page_clock(&block->page)); +} + +/********************************************************************//** +Recommends a move of a block to the start of the LRU list if there is danger +of dropping from the buffer pool. NOTE: does not reserve the buffer pool +mutex. +@return TRUE if should be made younger */ +UNIV_INLINE +ibool +buf_page_peek_if_too_old( +/*=====================*/ + const buf_page_t* bpage) /*!< in: block to make younger */ +{ + if (UNIV_UNLIKELY(buf_pool->freed_page_clock == 0)) { + /* If eviction has not started yet, do not update the + statistics or move blocks in the LRU list. This is + either the warm-up phase or an in-memory workload. */ + return(FALSE); + } else if (buf_LRU_old_threshold_ms && bpage->old) { + unsigned access_time = buf_page_is_accessed(bpage); + + if (access_time > 0 + && (ut_time_ms() - access_time) + >= buf_LRU_old_threshold_ms) { + return(TRUE); + } + + buf_pool->stat.n_pages_not_made_young++; + return(FALSE); + } else { + /* FIXME: bpage->freed_page_clock is 31 bits */ + return((buf_pool->freed_page_clock & ((1UL << 31) - 1)) + > ((ulint) bpage->freed_page_clock + + (buf_pool->curr_size + * (BUF_LRU_OLD_RATIO_DIV - buf_LRU_old_ratio) + / (BUF_LRU_OLD_RATIO_DIV * 4)))); + } +} + +/*********************************************************************//** +Gets the current size of buffer buf_pool in bytes. +@return size in bytes */ +UNIV_INLINE +ulint +buf_pool_get_curr_size(void) +/*========================*/ +{ + return(buf_pool->curr_size * UNIV_PAGE_SIZE); +} + +/********************************************************************//** +Gets the smallest oldest_modification lsn for any page in the pool. Returns +zero if all modified pages have been flushed to disk. +@return oldest modification in pool, zero if none */ +UNIV_INLINE +ib_uint64_t +buf_pool_get_oldest_modification(void) +/*==================================*/ +{ + buf_page_t* bpage; + ib_uint64_t lsn; + + buf_flush_list_mutex_enter(); + + bpage = UT_LIST_GET_LAST(buf_pool->flush_list); + + if (bpage == NULL) { + lsn = 0; + } else { + ut_ad(bpage->in_flush_list); + lsn = bpage->oldest_modification; + } + + buf_flush_list_mutex_exit(); + + /* The returned answer may be out of date: the flush_list can + change after the mutex has been released. */ + + return(lsn); +} +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Gets the state of a block. +@return state */ +UNIV_INLINE +enum buf_page_state +buf_page_get_state( +/*===============*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ +{ + enum buf_page_state state = (enum buf_page_state) bpage->state; + +#ifdef UNIV_DEBUG + switch (state) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_FILE_PAGE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + break; + default: + ut_error; + } +#endif /* UNIV_DEBUG */ + + return(state); +} +/*********************************************************************//** +Gets the state of a block. +@return state */ +UNIV_INLINE +enum buf_page_state +buf_block_get_state( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + return(buf_page_get_state(&block->page)); +} +/*********************************************************************//** +Sets the state of a block. */ +UNIV_INLINE +void +buf_page_set_state( +/*===============*/ + buf_page_t* bpage, /*!< in/out: pointer to control block */ + enum buf_page_state state) /*!< in: state */ +{ +#ifdef UNIV_DEBUG + enum buf_page_state old_state = buf_page_get_state(bpage); + + switch (old_state) { + case BUF_BLOCK_ZIP_FREE: + ut_error; + break; + case BUF_BLOCK_ZIP_PAGE: + ut_a(state == BUF_BLOCK_ZIP_DIRTY); + break; + case BUF_BLOCK_ZIP_DIRTY: + ut_a(state == BUF_BLOCK_ZIP_PAGE); + break; + case BUF_BLOCK_NOT_USED: + ut_a(state == BUF_BLOCK_READY_FOR_USE); + break; + case BUF_BLOCK_READY_FOR_USE: + ut_a(state == BUF_BLOCK_MEMORY + || state == BUF_BLOCK_FILE_PAGE + || state == BUF_BLOCK_NOT_USED); + break; + case BUF_BLOCK_MEMORY: + ut_a(state == BUF_BLOCK_NOT_USED); + break; + case BUF_BLOCK_FILE_PAGE: + ut_a(state == BUF_BLOCK_NOT_USED + || state == BUF_BLOCK_REMOVE_HASH); + break; + case BUF_BLOCK_REMOVE_HASH: + ut_a(state == BUF_BLOCK_MEMORY); + break; + } +#endif /* UNIV_DEBUG */ + bpage->state = state; + ut_ad(buf_page_get_state(bpage) == state); +} + +/*********************************************************************//** +Sets the state of a block. */ +UNIV_INLINE +void +buf_block_set_state( +/*================*/ + buf_block_t* block, /*!< in/out: pointer to control block */ + enum buf_page_state state) /*!< in: state */ +{ + buf_page_set_state(&block->page, state); +} + +/*********************************************************************//** +Determines if a block is mapped to a tablespace. +@return TRUE if mapped */ +UNIV_INLINE +ibool +buf_page_in_file( +/*=============*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ +{ + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + /* This is a free page in buf_pool->zip_free[]. + Such pages should only be accessed by the buddy allocator. */ + ut_error; + break; + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_FILE_PAGE: + return(TRUE); + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + break; + } + + return(FALSE); +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Determines if a block should be on unzip_LRU list. +@return TRUE if block belongs to unzip_LRU */ +UNIV_INLINE +ibool +buf_page_belongs_to_unzip_LRU( +/*==========================*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ +{ + ut_ad(buf_page_in_file(bpage)); + + return(bpage->zip.data + && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); +} + +/*********************************************************************//** +Gets the mutex of a block. +@return pointer to mutex protecting bpage */ +UNIV_INLINE +mutex_t* +buf_page_get_mutex( +/*===============*/ + const buf_page_t* bpage) /*!< in: pointer to control block */ +{ + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_FREE: + ut_error; + return(NULL); + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + return(&buf_pool_zip_mutex); + default: + return(&((buf_block_t*) bpage)->mutex); + } +} + +/*********************************************************************//** +Get the flush type of a page. +@return flush type */ +UNIV_INLINE +enum buf_flush +buf_page_get_flush_type( +/*====================*/ + const buf_page_t* bpage) /*!< in: buffer page */ +{ + enum buf_flush flush_type = (enum buf_flush) bpage->flush_type; + +#ifdef UNIV_DEBUG + switch (flush_type) { + case BUF_FLUSH_LRU: + case BUF_FLUSH_SINGLE_PAGE: + case BUF_FLUSH_LIST: + return(flush_type); + case BUF_FLUSH_N_TYPES: + break; + } + ut_error; +#endif /* UNIV_DEBUG */ + return(flush_type); +} +/*********************************************************************//** +Set the flush type of a page. */ +UNIV_INLINE +void +buf_page_set_flush_type( +/*====================*/ + buf_page_t* bpage, /*!< in: buffer page */ + enum buf_flush flush_type) /*!< in: flush type */ +{ + bpage->flush_type = flush_type; + ut_ad(buf_page_get_flush_type(bpage) == flush_type); +} + +/*********************************************************************//** +Map a block to a file page. */ +UNIV_INLINE +void +buf_block_set_file_page( +/*====================*/ + buf_block_t* block, /*!< in/out: pointer to control block */ + ulint space, /*!< in: tablespace id */ + ulint page_no)/*!< in: page number */ +{ + buf_block_set_state(block, BUF_BLOCK_FILE_PAGE); + block->page.space = space; + block->page.offset = page_no; +} + +/*********************************************************************//** +Gets the io_fix state of a block. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_page_get_io_fix( +/*================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ +{ + enum buf_io_fix io_fix = (enum buf_io_fix) bpage->io_fix; +#ifdef UNIV_DEBUG + switch (io_fix) { + case BUF_IO_NONE: + case BUF_IO_READ: + case BUF_IO_WRITE: + return(io_fix); + } + ut_error; +#endif /* UNIV_DEBUG */ + return(io_fix); +} + +/*********************************************************************//** +Gets the io_fix state of a block. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_block_get_io_fix( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + return(buf_page_get_io_fix(&block->page)); +} + +/*********************************************************************//** +Sets the io_fix state of a block. */ +UNIV_INLINE +void +buf_page_set_io_fix( +/*================*/ + buf_page_t* bpage, /*!< in/out: control block */ + enum buf_io_fix io_fix) /*!< in: io_fix state */ +{ + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + + bpage->io_fix = io_fix; + ut_ad(buf_page_get_io_fix(bpage) == io_fix); +} + +/*********************************************************************//** +Sets the io_fix state of a block. */ +UNIV_INLINE +void +buf_block_set_io_fix( +/*=================*/ + buf_block_t* block, /*!< in/out: control block */ + enum buf_io_fix io_fix) /*!< in: io_fix state */ +{ + buf_page_set_io_fix(&block->page, io_fix); +} + +/********************************************************************//** +Determine if a buffer block can be relocated in memory. The block +can be dirty, but it must not be I/O-fixed or bufferfixed. */ +UNIV_INLINE +ibool +buf_page_can_relocate( +/*==================*/ + const buf_page_t* bpage) /*!< control block being relocated */ +{ + ut_ad(buf_pool_mutex_own()); + ut_ad(mutex_own(buf_page_get_mutex(bpage))); + ut_ad(buf_page_in_file(bpage)); + ut_ad(bpage->in_LRU_list); + + return(buf_page_get_io_fix(bpage) == BUF_IO_NONE + && bpage->buf_fix_count == 0); +} + +/*********************************************************************//** +Determine if a block has been flagged old. +@return TRUE if old */ +UNIV_INLINE +ibool +buf_page_is_old( +/*============*/ + const buf_page_t* bpage) /*!< in: control block */ +{ + ut_ad(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + + return(bpage->old); +} + +/*********************************************************************//** +Flag a block old. */ +UNIV_INLINE +void +buf_page_set_old( +/*=============*/ + buf_page_t* bpage, /*!< in/out: control block */ + ibool old) /*!< in: old */ +{ + ut_a(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + ut_ad(bpage->in_LRU_list); + +#ifdef UNIV_LRU_DEBUG + ut_a((buf_pool->LRU_old_len == 0) == (buf_pool->LRU_old == NULL)); + /* If a block is flagged "old", the LRU_old list must exist. */ + ut_a(!old || buf_pool->LRU_old); + + if (UT_LIST_GET_PREV(LRU, bpage) && UT_LIST_GET_NEXT(LRU, bpage)) { + const buf_page_t* prev = UT_LIST_GET_PREV(LRU, bpage); + const buf_page_t* next = UT_LIST_GET_NEXT(LRU, bpage); + if (prev->old == next->old) { + ut_a(prev->old == old); + } else { + ut_a(!prev->old); + ut_a(buf_pool->LRU_old == (old ? bpage : next)); + } + } +#endif /* UNIV_LRU_DEBUG */ + + bpage->old = old; +} + +/*********************************************************************//** +Determine the time of first access of a block in the buffer pool. +@return ut_time_ms() at the time of first access, 0 if not accessed */ +UNIV_INLINE +unsigned +buf_page_is_accessed( +/*=================*/ + const buf_page_t* bpage) /*!< in: control block */ +{ + ut_ad(buf_page_in_file(bpage)); + + return(bpage->access_time); +} + +/*********************************************************************//** +Flag a block accessed. */ +UNIV_INLINE +void +buf_page_set_accessed( +/*==================*/ + buf_page_t* bpage, /*!< in/out: control block */ + ulint time_ms) /*!< in: ut_time_ms() */ +{ + ut_a(buf_page_in_file(bpage)); + ut_ad(buf_pool_mutex_own()); + + if (!bpage->access_time) { + /* Make this the time of the first access. */ + bpage->access_time = time_ms; + } +} + +/*********************************************************************//** +Gets the buf_block_t handle of a buffered file block if an uncompressed +page frame exists, or NULL. +@return control block, or NULL */ +UNIV_INLINE +buf_block_t* +buf_page_get_block( +/*===============*/ + buf_page_t* bpage) /*!< in: control block, or NULL */ +{ + if (UNIV_LIKELY(bpage != NULL)) { + ut_ad(buf_page_in_file(bpage)); + + if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { + return((buf_block_t*) bpage); + } + } + + return(NULL); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets a pointer to the memory frame of a block. +@return pointer to the frame */ +UNIV_INLINE +buf_frame_t* +buf_block_get_frame( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + ut_ad(block); + + switch (buf_block_get_state(block)) { + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + case BUF_BLOCK_NOT_USED: + ut_error; + break; + case BUF_BLOCK_FILE_PAGE: +# ifndef UNIV_HOTBACKUP + ut_a(block->page.buf_fix_count > 0); +# endif /* !UNIV_HOTBACKUP */ + /* fall through */ + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + goto ok; + } + ut_error; +ok: + return((buf_frame_t*) block->frame); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Gets the space id of a block. +@return space id */ +UNIV_INLINE +ulint +buf_page_get_space( +/*===============*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ +{ + ut_ad(bpage); + ut_a(buf_page_in_file(bpage)); + + return(bpage->space); +} + +/*********************************************************************//** +Gets the space id of a block. +@return space id */ +UNIV_INLINE +ulint +buf_block_get_space( +/*================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + ut_ad(block); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + return(block->page.space); +} + +/*********************************************************************//** +Gets the page number of a block. +@return page number */ +UNIV_INLINE +ulint +buf_page_get_page_no( +/*=================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ +{ + ut_ad(bpage); + ut_a(buf_page_in_file(bpage)); + + return(bpage->offset); +} + +/*********************************************************************//** +Gets the page number of a block. +@return page number */ +UNIV_INLINE +ulint +buf_block_get_page_no( +/*==================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + ut_ad(block); + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + + return(block->page.offset); +} + +/*********************************************************************//** +Gets the compressed page size of a block. +@return compressed page size, or 0 */ +UNIV_INLINE +ulint +buf_page_get_zip_size( +/*==================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ +{ + return(bpage->zip.ssize ? 512 << bpage->zip.ssize : 0); +} + +/*********************************************************************//** +Gets the compressed page size of a block. +@return compressed page size, or 0 */ +UNIV_INLINE +ulint +buf_block_get_zip_size( +/*===================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ +{ + return(block->page.zip.ssize ? 512 << block->page.zip.ssize : 0); +} + +#ifndef UNIV_HOTBACKUP +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +/*********************************************************************//** +Gets the compressed page descriptor corresponding to an uncompressed page +if applicable. +@return compressed page descriptor, or NULL */ +UNIV_INLINE +const page_zip_des_t* +buf_frame_get_page_zip( +/*===================*/ + const byte* ptr) /*!< in: pointer to the page */ +{ + return(buf_block_get_page_zip(buf_block_align(ptr))); +} +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Gets the space id, page offset, and byte offset within page of a +pointer pointing to a buffer frame containing a file page. */ +UNIV_INLINE +void +buf_ptr_get_fsp_addr( +/*=================*/ + const void* ptr, /*!< in: pointer to a buffer frame */ + ulint* space, /*!< out: space id */ + fil_addr_t* addr) /*!< out: page offset and byte offset */ +{ + const page_t* page = (const page_t*) ut_align_down(ptr, + UNIV_PAGE_SIZE); + + *space = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + addr->page = mach_read_from_4(page + FIL_PAGE_OFFSET); + addr->boffset = ut_align_offset(ptr, UNIV_PAGE_SIZE); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Gets the hash value of the page the pointer is pointing to. This can be used +in searches in the lock hash table. +@return lock hash value */ +UNIV_INLINE +ulint +buf_block_get_lock_hash_val( +/*========================*/ + const buf_block_t* block) /*!< in: block */ +{ + ut_ad(block); + ut_ad(buf_page_in_file(&block->page)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_EXCLUSIVE) + || rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + return(block->lock_hash_val); +} + +/********************************************************************//** +Allocates a buffer block. +@return own: the allocated block, in state BUF_BLOCK_MEMORY */ +UNIV_INLINE +buf_block_t* +buf_block_alloc( +/*============*/ + ulint zip_size) /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ +{ + buf_block_t* block; + + block = buf_LRU_get_free_block(zip_size); + + buf_block_set_state(block, BUF_BLOCK_MEMORY); + + return(block); +} + +/********************************************************************//** +Frees a buffer block which does not contain a file page. */ +UNIV_INLINE +void +buf_block_free( +/*===========*/ + buf_block_t* block) /*!< in, own: block to be freed */ +{ + buf_pool_mutex_enter(); + + mutex_enter(&block->mutex); + + ut_a(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE); + + buf_LRU_block_free_non_file_page(block); + + mutex_exit(&block->mutex); + + buf_pool_mutex_exit(); +} +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Copies contents of a buffer frame to a given buffer. +@return buf */ +UNIV_INLINE +byte* +buf_frame_copy( +/*===========*/ + byte* buf, /*!< in: buffer to copy to */ + const buf_frame_t* frame) /*!< in: buffer frame */ +{ + ut_ad(buf && frame); + + ut_memcpy(buf, frame, UNIV_PAGE_SIZE); + + return(buf); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Calculates a folded value of a file page address to use in the page hash +table. +@return the folded value */ +UNIV_INLINE +ulint +buf_page_address_fold( +/*==================*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ +{ + return((space << 20) + space + offset); +} + +/********************************************************************//** +Gets the youngest modification log sequence number for a frame. +Returns zero if not file page or no modification occurred yet. +@return newest modification to page */ +UNIV_INLINE +ib_uint64_t +buf_page_get_newest_modification( +/*=============================*/ + const buf_page_t* bpage) /*!< in: block containing the + page frame */ +{ + ib_uint64_t lsn; + mutex_t* block_mutex = buf_page_get_mutex(bpage); + + mutex_enter(block_mutex); + + if (buf_page_in_file(bpage)) { + lsn = bpage->newest_modification; + } else { + lsn = 0; + } + + mutex_exit(block_mutex); + + return(lsn); +} + +/********************************************************************//** +Increments the modify clock of a frame by 1. The caller must (1) own the +buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock +on the block. */ +UNIV_INLINE +void +buf_block_modify_clock_inc( +/*=======================*/ + buf_block_t* block) /*!< in: block */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad((buf_pool_mutex_own() + && (block->page.buf_fix_count == 0)) + || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE)); +#endif /* UNIV_SYNC_DEBUG */ + + block->modify_clock++; +} + +/********************************************************************//** +Returns the value of the modify clock. The caller must have an s-lock +or x-lock on the block. +@return value */ +UNIV_INLINE +ib_uint64_t +buf_block_get_modify_clock( +/*=======================*/ + buf_block_t* block) /*!< in: block */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) + || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE)); +#endif /* UNIV_SYNC_DEBUG */ + + return(block->modify_clock); +} + +/*******************************************************************//** +Increments the bufferfix count. */ +UNIV_INLINE +void +buf_block_buf_fix_inc_func( +/*=======================*/ +#ifdef UNIV_SYNC_DEBUG + const char* file, /*!< in: file name */ + ulint line, /*!< in: line */ +#endif /* UNIV_SYNC_DEBUG */ + buf_block_t* block) /*!< in/out: block to bufferfix */ +{ +#ifdef UNIV_SYNC_DEBUG + ibool ret; + + ret = rw_lock_s_lock_nowait(&(block->debug_latch), file, line); + ut_a(ret); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(mutex_own(&block->mutex)); + + block->page.buf_fix_count++; +} +#ifdef UNIV_SYNC_DEBUG +/** Increments the bufferfix count. +@param b in/out: block to bufferfix +@param f in: file name where requested +@param l in: line number where requested */ +# define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(f,l,b) +#else /* UNIV_SYNC_DEBUG */ +/** Increments the bufferfix count. +@param b in/out: block to bufferfix +@param f in: file name where requested +@param l in: line number where requested */ +# define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(b) +#endif /* UNIV_SYNC_DEBUG */ + +/*******************************************************************//** +Decrements the bufferfix count. */ +UNIV_INLINE +void +buf_block_buf_fix_dec( +/*==================*/ + buf_block_t* block) /*!< in/out: block to bufferunfix */ +{ + ut_ad(mutex_own(&block->mutex)); + + block->page.buf_fix_count--; +#ifdef UNIV_SYNC_DEBUG + rw_lock_s_unlock(&block->debug_latch); +#endif +} + +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found */ +UNIV_INLINE +buf_page_t* +buf_page_hash_get_low( +/*==================*/ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page within space */ + ulint fold) /*!< in: buf_page_address_fold(space, offset) */ +{ + buf_page_t* bpage; + + ut_ad(buf_pool); + ut_ad(buf_pool_mutex_own()); + ut_ad(fold == buf_page_address_fold(space, offset)); + + /* Look for the page in the hash table */ + + HASH_SEARCH(hash, buf_pool->page_hash, fold, buf_page_t*, bpage, + ut_ad(bpage->in_page_hash && !bpage->in_zip_hash + && buf_page_in_file(bpage)), + bpage->space == space && bpage->offset == offset); + if (bpage) { + ut_a(buf_page_in_file(bpage)); + ut_ad(bpage->in_page_hash); + ut_ad(!bpage->in_zip_hash); + UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); + } + + return(bpage); +} + +/******************************************************************//** +Returns the control block of a file page, NULL if not found. +@return block, NULL if not found or not a real control block */ +UNIV_INLINE +buf_page_t* +buf_page_hash_get( +/*==============*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ +{ + ulint fold = buf_page_address_fold(space, offset); + buf_page_t* bpage = buf_page_hash_get_low(space, offset, fold); + + if (bpage && UNIV_UNLIKELY(buf_pool_watch_is(bpage))) { + bpage = NULL; + } + + return(bpage); +} + +/******************************************************************//** +Returns the control block of a file page, NULL if not found +or an uncompressed page frame does not exist. +@return block, NULL if not found */ +UNIV_INLINE +buf_block_t* +buf_block_hash_get( +/*===============*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ +{ + buf_block_t* block; + + block = buf_page_get_block(buf_page_hash_get(space, offset)); + + return(block); +} + +/********************************************************************//** +Returns TRUE if the page can be found in the buffer pool hash table. + +NOTE that it is possible that the page is not yet read from disk, +though. + +@return TRUE if found in the page hash table */ +UNIV_INLINE +ibool +buf_page_peek( +/*==========*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: page number */ +{ + const buf_page_t* bpage; + + buf_pool_mutex_enter(); + + bpage = buf_page_hash_get(space, offset); + + buf_pool_mutex_exit(); + + return(bpage != NULL); +} + +/********************************************************************//** +Releases a compressed-only page acquired with buf_page_get_zip(). */ +UNIV_INLINE +void +buf_page_release_zip( +/*=================*/ + buf_page_t* bpage) /*!< in: buffer block */ +{ + buf_block_t* block; + + ut_ad(bpage); + ut_a(bpage->buf_fix_count > 0); + + switch (buf_page_get_state(bpage)) { + case BUF_BLOCK_ZIP_PAGE: + case BUF_BLOCK_ZIP_DIRTY: + mutex_enter(&buf_pool_zip_mutex); + bpage->buf_fix_count--; + mutex_exit(&buf_pool_zip_mutex); + return; + case BUF_BLOCK_FILE_PAGE: + block = (buf_block_t*) bpage; + mutex_enter(&block->mutex); +#ifdef UNIV_SYNC_DEBUG + rw_lock_s_unlock(&block->debug_latch); +#endif + bpage->buf_fix_count--; + mutex_exit(&block->mutex); + return; + case BUF_BLOCK_ZIP_FREE: + case BUF_BLOCK_NOT_USED: + case BUF_BLOCK_READY_FOR_USE: + case BUF_BLOCK_MEMORY: + case BUF_BLOCK_REMOVE_HASH: + break; + } + + ut_error; +} + +/********************************************************************//** +Decrements the bufferfix count of a buffer control block and releases +a latch, if specified. */ +UNIV_INLINE +void +buf_page_release( +/*=============*/ + buf_block_t* block, /*!< in: buffer block */ + ulint rw_latch) /*!< in: RW_S_LATCH, RW_X_LATCH, + RW_NO_LATCH */ +{ + ut_ad(block); + + ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_a(block->page.buf_fix_count > 0); + + mutex_enter(&block->mutex); + +#ifdef UNIV_SYNC_DEBUG + rw_lock_s_unlock(&(block->debug_latch)); +#endif + block->page.buf_fix_count--; + + mutex_exit(&block->mutex); + + if (rw_latch == RW_S_LATCH) { + rw_lock_s_unlock(&(block->lock)); + } else if (rw_latch == RW_X_LATCH) { + rw_lock_x_unlock(&(block->lock)); + } +} + +#ifdef UNIV_SYNC_DEBUG +/*********************************************************************//** +Adds latch level info for the rw-lock protecting the buffer frame. This +should be called in the debug version after a successful latching of a +page if we know the latching order level of the acquired latch. */ +UNIV_INLINE +void +buf_block_dbg_add_level( +/*====================*/ + buf_block_t* block, /*!< in: buffer page + where we have acquired latch */ + ulint level) /*!< in: latching order level */ +{ + sync_thread_add_level(&block->lock, level); +} +#endif /* UNIV_SYNC_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/buf0flu.h b/perfschema/include/buf0flu.h new file mode 100644 index 00000000000..74a202cb60a --- /dev/null +++ b/perfschema/include/buf0flu.h @@ -0,0 +1,217 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0flu.h +The database buffer pool flush algorithm + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef buf0flu_h +#define buf0flu_h + +#include "univ.i" +#include "ut0byte.h" +#ifndef UNIV_HOTBACKUP +#include "mtr0types.h" +#include "buf0types.h" + +/********************************************************************//** +Remove a block from the flush list of modified blocks. */ +UNIV_INTERN +void +buf_flush_remove( +/*=============*/ + buf_page_t* bpage); /*!< in: pointer to the block in question */ +/*******************************************************************//** +Relocates a buffer control block on the flush_list. +Note that it is assumed that the contents of bpage has already been +copied to dpage. */ +UNIV_INTERN +void +buf_flush_relocate_on_flush_list( +/*=============================*/ + buf_page_t* bpage, /*!< in/out: control block being moved */ + buf_page_t* dpage); /*!< in/out: destination block */ +/********************************************************************//** +Updates the flush system data structures when a write is completed. */ +UNIV_INTERN +void +buf_flush_write_complete( +/*=====================*/ + buf_page_t* bpage); /*!< in: pointer to the block in question */ +/*********************************************************************//** +Flushes pages from the end of the LRU list if there is too small +a margin of replaceable pages there. */ +UNIV_INTERN +void +buf_flush_free_margin(void); +/*=======================*/ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Initializes a page for writing to the tablespace. */ +UNIV_INTERN +void +buf_flush_init_for_writing( +/*=======================*/ + byte* page, /*!< in/out: page */ + void* page_zip_, /*!< in/out: compressed page, or NULL */ + ib_uint64_t newest_lsn); /*!< in: newest modification lsn + to the page */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +This utility flushes dirty blocks from the end of the LRU list or flush_list. +NOTE 1: in the case of an LRU flush the calling thread may own latches to +pages: to avoid deadlocks, this function must be written so that it cannot +end up waiting for these latches! NOTE 2: in the case of a flush list flush, +the calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ +UNIV_INTERN +ulint +buf_flush_batch( +/*============*/ + enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or + BUF_FLUSH_LIST; if BUF_FLUSH_LIST, + then the caller must not own any + latches on pages */ + ulint min_n, /*!< in: wished minimum mumber of blocks + flushed (it is not guaranteed that the + actual number is that big, though) */ + ib_uint64_t lsn_limit); /*!< in the case BUF_FLUSH_LIST all + blocks whose oldest_modification is + smaller than this should be flushed + (if their number does not exceed + min_n), otherwise ignored */ +/******************************************************************//** +Waits until a flush batch of the given type ends */ +UNIV_INTERN +void +buf_flush_wait_batch_end( +/*=====================*/ + enum buf_flush type); /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ +/********************************************************************//** +This function should be called at a mini-transaction commit, if a page was +modified in it. Puts the block to the list of modified blocks, if it not +already in it. */ +UNIV_INLINE +void +buf_flush_note_modification( +/*========================*/ + buf_block_t* block, /*!< in: block which is modified */ + mtr_t* mtr); /*!< in: mtr */ +/********************************************************************//** +This function should be called when recovery has modified a buffer page. */ +UNIV_INLINE +void +buf_flush_recv_note_modification( +/*=============================*/ + buf_block_t* block, /*!< in: block which is modified */ + ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a + set of mtr's */ + ib_uint64_t end_lsn); /*!< in: end lsn of the last mtr in the + set of mtr's */ +/********************************************************************//** +Returns TRUE if the file page block is immediately suitable for replacement, +i.e., transition FILE_PAGE => NOT_USED allowed. +@return TRUE if can replace immediately */ +UNIV_INTERN +ibool +buf_flush_ready_for_replace( +/*========================*/ + buf_page_t* bpage); /*!< in: buffer control block, must be + buf_page_in_file(bpage) and in the LRU list */ + +/** @brief Statistics for selecting flush rate based on redo log +generation speed. + +These statistics are generated for heuristics used in estimating the +rate at which we should flush the dirty blocks to avoid bursty IO +activity. Note that the rate of flushing not only depends on how many +dirty pages we have in the buffer pool but it is also a fucntion of +how much redo the workload is generating and at what rate. */ + +struct buf_flush_stat_struct +{ + ib_uint64_t redo; /**< amount of redo generated. */ + ulint n_flushed; /**< number of pages flushed. */ +}; + +/** Statistics for selecting flush rate of dirty pages. */ +typedef struct buf_flush_stat_struct buf_flush_stat_t; +/********************************************************************* +Update the historical stats that we are collecting for flush rate +heuristics at the end of each interval. */ +UNIV_INTERN +void +buf_flush_stat_update(void); +/*=======================*/ +/********************************************************************* +Determines the fraction of dirty pages that need to be flushed based +on the speed at which we generate redo log. Note that if redo log +is generated at significant rate without a corresponding increase +in the number of dirty pages (for example, an in-memory workload) +it can cause IO bursts of flushing. This function implements heuristics +to avoid this burstiness. +@return number of dirty pages to be flushed / second */ +UNIV_INTERN +ulint +buf_flush_get_desired_flush_rate(void); +/*==================================*/ + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/******************************************************************//** +Validates the flush list. +@return TRUE if ok */ +UNIV_INTERN +ibool +buf_flush_validate(void); +/*====================*/ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ + +/********************************************************************//** +Initialize the red-black tree to speed up insertions into the flush_list +during recovery process. Should be called at the start of recovery +process before any page has been read/written. */ +UNIV_INTERN +void +buf_flush_init_flush_rbt(void); +/*==========================*/ + +/********************************************************************//** +Frees up the red-black tree. */ +UNIV_INTERN +void +buf_flush_free_flush_rbt(void); +/*==========================*/ + +/** When buf_flush_free_margin is called, it tries to make this many blocks +available to replacement in the free list and at the end of the LRU list (to +make sure that a read-ahead batch can be read efficiently in a single +sweep). */ +#define BUF_FLUSH_FREE_BLOCK_MARGIN (5 + BUF_READ_AHEAD_AREA) +/** Extra margin to apply above BUF_FLUSH_FREE_BLOCK_MARGIN */ +#define BUF_FLUSH_EXTRA_MARGIN (BUF_FLUSH_FREE_BLOCK_MARGIN / 4 + 100) +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "buf0flu.ic" +#endif + +#endif diff --git a/perfschema/include/buf0flu.ic b/perfschema/include/buf0flu.ic new file mode 100644 index 00000000000..5005bcce513 --- /dev/null +++ b/perfschema/include/buf0flu.ic @@ -0,0 +1,126 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0flu.ic +The database buffer pool flush algorithm + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef UNIV_HOTBACKUP +#include "buf0buf.h" +#include "mtr0mtr.h" + +/********************************************************************//** +Inserts a modified block into the flush list. */ +UNIV_INTERN +void +buf_flush_insert_into_flush_list( +/*=============================*/ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ +/********************************************************************//** +Inserts a modified block into the flush list in the right sorted position. +This function is used by recovery, because there the modifications do not +necessarily come in the order of lsn's. */ +UNIV_INTERN +void +buf_flush_insert_sorted_into_flush_list( +/*====================================*/ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ + +/********************************************************************//** +This function should be called at a mini-transaction commit, if a page was +modified in it. Puts the block to the list of modified blocks, if it is not +already in it. */ +UNIV_INLINE +void +buf_flush_note_modification( +/*========================*/ + buf_block_t* block, /*!< in: block which is modified */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(block); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(block->page.buf_fix_count > 0); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); + + ut_ad(mtr->start_lsn != 0); + ut_ad(mtr->modifications); + + mutex_enter(&block->mutex); + ut_ad(block->page.newest_modification <= mtr->end_lsn); + + block->page.newest_modification = mtr->end_lsn; + + if (!block->page.oldest_modification) { + buf_flush_insert_into_flush_list(block, mtr->start_lsn); + } else { + ut_ad(block->page.oldest_modification <= mtr->start_lsn); + } + + mutex_exit(&block->mutex); + + ++srv_buf_pool_write_requests; +} + +/********************************************************************//** +This function should be called when recovery has modified a buffer page. */ +UNIV_INLINE +void +buf_flush_recv_note_modification( +/*=============================*/ + buf_block_t* block, /*!< in: block which is modified */ + ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a + set of mtr's */ + ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the + set of mtr's */ +{ + ut_ad(block); + ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); + ut_ad(block->page.buf_fix_count > 0); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_flush_list_mutex_own()); + + ut_ad(start_lsn != 0); + ut_ad(block->page.newest_modification <= end_lsn); + + mutex_enter(&block->mutex); + block->page.newest_modification = end_lsn; + + if (!block->page.oldest_modification) { + buf_flush_insert_sorted_into_flush_list(block, start_lsn); + } else { + ut_ad(block->page.oldest_modification <= start_lsn); + } + + mutex_exit(&block->mutex); + +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/buf0lru.h b/perfschema/include/buf0lru.h new file mode 100644 index 00000000000..009430af35b --- /dev/null +++ b/perfschema/include/buf0lru.h @@ -0,0 +1,295 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0lru.h +The database buffer pool LRU replacement algorithm + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef buf0lru_h +#define buf0lru_h + +#include "univ.i" +#include "ut0byte.h" +#include "buf0types.h" + +/** The return type of buf_LRU_free_block() */ +enum buf_lru_free_block_status { + /** freed */ + BUF_LRU_FREED = 0, + /** not freed because the caller asked to remove the + uncompressed frame but the control block cannot be + relocated */ + BUF_LRU_CANNOT_RELOCATE, + /** not freed because of some other reason */ + BUF_LRU_NOT_FREED +}; + +/******************************************************************//** +Tries to remove LRU flushed blocks from the end of the LRU list and put them +to the free list. This is beneficial for the efficiency of the insert buffer +operation, as flushed pages from non-unique non-clustered indexes are here +taken out of the buffer pool, and their inserts redirected to the insert +buffer. Otherwise, the flushed blocks could get modified again before read +operations need new buffer blocks, and the i/o work done in flushing would be +wasted. */ +UNIV_INTERN +void +buf_LRU_try_free_flushed_blocks(void); +/*==================================*/ +/******************************************************************//** +Returns TRUE if less than 25 % of the buffer pool is available. This can be +used in heuristics to prevent huge transactions eating up the whole buffer +pool for their locks. +@return TRUE if less than 25 % of buffer pool left */ +UNIV_INTERN +ibool +buf_LRU_buf_pool_running_out(void); +/*==============================*/ + +/*####################################################################### +These are low-level functions +#########################################################################*/ + +/** Minimum LRU list length for which the LRU_old pointer is defined */ +#define BUF_LRU_OLD_MIN_LEN 512 /* 8 megabytes of 16k pages */ + +/** Maximum LRU list search length in buf_flush_LRU_recommendation() */ +#define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) + +/******************************************************************//** +Invalidates all pages belonging to a given tablespace when we are deleting +the data file(s) of that tablespace. A PROBLEM: if readahead is being started, +what guarantees that it will not try to read in pages after this operation has +completed? */ +UNIV_INTERN +void +buf_LRU_invalidate_tablespace( +/*==========================*/ + ulint id); /*!< in: space id */ +/********************************************************************//** +Insert a compressed block into buf_pool->zip_clean in the LRU order. */ +UNIV_INTERN +void +buf_LRU_insert_zip_clean( +/*=====================*/ + buf_page_t* bpage); /*!< in: pointer to the block in question */ + +/******************************************************************//** +Try to free a block. If bpage is a descriptor of a compressed-only +page, the descriptor object will be freed as well. + +NOTE: If this function returns BUF_LRU_FREED, it will not temporarily +release buf_pool_mutex. Furthermore, the page frame will no longer be +accessible via bpage. + +The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +release these two mutexes after the call. No other +buf_page_get_mutex() may be held when calling this function. +@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or +BUF_LRU_NOT_FREED otherwise. */ +UNIV_INTERN +enum buf_lru_free_block_status +buf_LRU_free_block( +/*===============*/ + buf_page_t* bpage, /*!< in: block to be freed */ + ibool zip, /*!< in: TRUE if should remove also the + compressed page of an uncompressed page */ + ibool* buf_pool_mutex_released); + /*!< in: pointer to a variable that will + be assigned TRUE if buf_pool_mutex + was temporarily released, or NULL */ +/******************************************************************//** +Try to free a replaceable block. +@return TRUE if found and freed */ +UNIV_INTERN +ibool +buf_LRU_search_and_free_block( +/*==========================*/ + ulint n_iterations); /*!< in: how many times this has been called + repeatedly without result: a high value means + that we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list; if + n_iterations < 5, then we will also search + n_iterations / 5 of the unzip_LRU list. */ +/******************************************************************//** +Returns a free block from the buf_pool. The block is taken off the +free list. If it is empty, returns NULL. +@return a free control block, or NULL if the buf_block->free list is empty */ +UNIV_INTERN +buf_block_t* +buf_LRU_get_free_only(void); +/*=======================*/ +/******************************************************************//** +Returns a free block from the buf_pool. The block is taken off the +free list. If it is empty, blocks are moved from the end of the +LRU list to the free list. +@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ +UNIV_INTERN +buf_block_t* +buf_LRU_get_free_block( +/*===================*/ + ulint zip_size); /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ + +/******************************************************************//** +Puts a block back to the free list. */ +UNIV_INTERN +void +buf_LRU_block_free_non_file_page( +/*=============================*/ + buf_block_t* block); /*!< in: block, must not contain a file page */ +/******************************************************************//** +Adds a block to the LRU list. */ +UNIV_INTERN +void +buf_LRU_add_block( +/*==============*/ + buf_page_t* bpage, /*!< in: control block */ + ibool old); /*!< in: TRUE if should be put to the old + blocks in the LRU list, else put to the + start; if the LRU list is very short, added to + the start regardless of this parameter */ +/******************************************************************//** +Adds a block to the LRU list of decompressed zip pages. */ +UNIV_INTERN +void +buf_unzip_LRU_add_block( +/*====================*/ + buf_block_t* block, /*!< in: control block */ + ibool old); /*!< in: TRUE if should be put to the end + of the list, else put to the start */ +/******************************************************************//** +Moves a block to the start of the LRU list. */ +UNIV_INTERN +void +buf_LRU_make_block_young( +/*=====================*/ + buf_page_t* bpage); /*!< in: control block */ +/******************************************************************//** +Moves a block to the end of the LRU list. */ +UNIV_INTERN +void +buf_LRU_make_block_old( +/*===================*/ + buf_page_t* bpage); /*!< in: control block */ +/**********************************************************************//** +Updates buf_LRU_old_ratio. +@return updated old_pct */ +UNIV_INTERN +uint +buf_LRU_old_ratio_update( +/*=====================*/ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust);/*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_LRU_old_ratio + during the initialization of InnoDB */ +/********************************************************************//** +Update the historical stats that we are collecting for LRU eviction +policy at the end of each interval. */ +UNIV_INTERN +void +buf_LRU_stat_update(void); +/*=====================*/ + +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Validates the LRU list. +@return TRUE */ +UNIV_INTERN +ibool +buf_LRU_validate(void); +/*==================*/ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Prints the LRU list. */ +UNIV_INTERN +void +buf_LRU_print(void); +/*===============*/ +#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ + +/** @name Heuristics for detecting index scan @{ */ +/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for +"old" blocks. Protected by buf_pool_mutex. */ +extern uint buf_LRU_old_ratio; +/** The denominator of buf_LRU_old_ratio. */ +#define BUF_LRU_OLD_RATIO_DIV 1024 +/** Maximum value of buf_LRU_old_ratio. +@see buf_LRU_old_adjust_len +@see buf_LRU_old_ratio_update */ +#define BUF_LRU_OLD_RATIO_MAX BUF_LRU_OLD_RATIO_DIV +/** Minimum value of buf_LRU_old_ratio. +@see buf_LRU_old_adjust_len +@see buf_LRU_old_ratio_update +The minimum must exceed +(BUF_LRU_OLD_TOLERANCE + 5) * BUF_LRU_OLD_RATIO_DIV / BUF_LRU_OLD_MIN_LEN. */ +#define BUF_LRU_OLD_RATIO_MIN 51 + +#if BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX +# error "BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX" +#endif +#if BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV +# error "BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV" +#endif + +/** Move blocks to "new" LRU list only if the first access was at +least this many milliseconds ago. Not protected by any mutex or latch. */ +extern uint buf_LRU_old_threshold_ms; +/* @} */ + +/** @brief Statistics for selecting the LRU list for eviction. + +These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O +and page_zip_decompress() operations. Based on the statistics we decide +if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */ +struct buf_LRU_stat_struct +{ + ulint io; /**< Counter of buffer pool I/O operations. */ + ulint unzip; /**< Counter of page_zip_decompress operations. */ +}; + +/** Statistics for selecting the LRU list for eviction. */ +typedef struct buf_LRU_stat_struct buf_LRU_stat_t; + +/** Current operation counters. Not protected by any mutex. +Cleared by buf_LRU_stat_update(). */ +extern buf_LRU_stat_t buf_LRU_stat_cur; + +/** Running sum of past values of buf_LRU_stat_cur. +Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +extern buf_LRU_stat_t buf_LRU_stat_sum; + +/********************************************************************//** +Increments the I/O counter in buf_LRU_stat_cur. */ +#define buf_LRU_stat_inc_io() buf_LRU_stat_cur.io++ +/********************************************************************//** +Increments the page_zip_decompress() counter in buf_LRU_stat_cur. */ +#define buf_LRU_stat_inc_unzip() buf_LRU_stat_cur.unzip++ + +#ifndef UNIV_NONINL +#include "buf0lru.ic" +#endif + +#endif diff --git a/perfschema/include/buf0lru.ic b/perfschema/include/buf0lru.ic new file mode 100644 index 00000000000..556f45d987f --- /dev/null +++ b/perfschema/include/buf0lru.ic @@ -0,0 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0lru.ic +The database buffer replacement algorithm + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + diff --git a/perfschema/include/buf0rea.h b/perfschema/include/buf0rea.h new file mode 100644 index 00000000000..093750623d6 --- /dev/null +++ b/perfschema/include/buf0rea.h @@ -0,0 +1,137 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0rea.h +The database buffer read + +Created 11/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef buf0rea_h +#define buf0rea_h + +#include "univ.i" +#include "buf0types.h" + +/********************************************************************//** +High-level function which reads a page asynchronously from a file to the +buffer buf_pool if it is not already there. Sets the io_fix flag and sets +an exclusive lock on the buffer frame. The flag is cleared and the x-lock +released by the i/o-handler thread. +@return TRUE if page has been read in, FALSE in case of failure */ +UNIV_INTERN +ibool +buf_read_page( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset);/*!< in: page number */ +/********************************************************************//** +Applies linear read-ahead if in the buf_pool the page is a border page of +a linear read-ahead area and all the pages in the area have been accessed. +Does not read any page if the read-ahead mechanism is not activated. Note +that the algorithm looks at the 'natural' adjacent successor and +predecessor of the page, which on the leaf level of a B-tree are the next +and previous page in the chain of leaves. To know these, the page specified +in (space, offset) must already be present in the buf_pool. Thus, the +natural way to use this function is to call it when a page in the buf_pool +is accessed the first time, calling this function just after it has been +bufferfixed. +NOTE 1: as this function looks at the natural predecessor and successor +fields on the page, what happens, if these are not initialized to any +sensible value? No problem, before applying read-ahead we check that the +area to read is within the span of the space, if not, read-ahead is not +applied. An uninitialized value may result in a useless read operation, but +only very improbably. +NOTE 2: the calling thread may own latches on pages: to avoid deadlocks this +function must be written such that it cannot end up waiting for these +latches! +NOTE 3: the calling thread must want access to the page given: this rule is +set to prevent unintended read-aheads performed by ibuf routines, a situation +which could result in a deadlock if the OS does not support asynchronous io. +@return number of page read requests issued */ +UNIV_INTERN +ulint +buf_read_ahead_linear( +/*==================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint offset);/*!< in: page number of a page; NOTE: the current thread + must want access to this page (see NOTE 3 above) */ +/********************************************************************//** +Issues read requests for pages which the ibuf module wants to read in, in +order to contract the insert buffer tree. Technically, this function is like +a read-ahead function. */ +UNIV_INTERN +void +buf_read_ibuf_merge_pages( +/*======================*/ + ibool sync, /*!< in: TRUE if the caller + wants this function to wait + for the highest address page + to get read in, before this + function returns */ + const ulint* space_ids, /*!< in: array of space ids */ + const ib_int64_t* space_versions,/*!< in: the spaces must have + this version number + (timestamp), otherwise we + discard the read; we use this + to cancel reads if DISCARD + + IMPORT may have changed the + tablespace size */ + const ulint* page_nos, /*!< in: array of page numbers + to read, with the highest page + number the last in the + array */ + ulint n_stored); /*!< in: number of elements + in the arrays */ +/********************************************************************//** +Issues read requests for pages which recovery wants to read in. */ +UNIV_INTERN +void +buf_read_recv_pages( +/*================*/ + ibool sync, /*!< in: TRUE if the caller + wants this function to wait + for the highest address page + to get read in, before this + function returns */ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in + bytes, or 0 */ + const ulint* page_nos, /*!< in: array of page numbers + to read, with the highest page + number the last in the + array */ + ulint n_stored); /*!< in: number of page numbers + in the array */ + +/** The size in pages of the area which the read-ahead algorithms read if +invoked */ +#define BUF_READ_AHEAD_AREA \ + ut_min(64, ut_2_power_up(buf_pool->curr_size / 32)) + +/** @name Modes used in read-ahead @{ */ +/** read only pages belonging to the insert buffer tree */ +#define BUF_READ_IBUF_PAGES_ONLY 131 +/** read any page */ +#define BUF_READ_ANY_PAGE 132 +/* @} */ + +#endif diff --git a/perfschema/include/buf0types.h b/perfschema/include/buf0types.h new file mode 100644 index 00000000000..bfae6477135 --- /dev/null +++ b/perfschema/include/buf0types.h @@ -0,0 +1,82 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/buf0types.h +The database buffer pool global types for the directory + +Created 11/17/1995 Heikki Tuuri +*******************************************************/ + +#ifndef buf0types_h +#define buf0types_h + +/** Buffer page (uncompressed or compressed) */ +typedef struct buf_page_struct buf_page_t; +/** Buffer block for which an uncompressed page exists */ +typedef struct buf_block_struct buf_block_t; +/** Buffer pool chunk comprising buf_block_t */ +typedef struct buf_chunk_struct buf_chunk_t; +/** Buffer pool comprising buf_chunk_t */ +typedef struct buf_pool_struct buf_pool_t; +/** Buffer pool statistics struct */ +typedef struct buf_pool_stat_struct buf_pool_stat_t; + +/** A buffer frame. @see page_t */ +typedef byte buf_frame_t; + +/** Flags for flush types */ +enum buf_flush { + BUF_FLUSH_LRU = 0, /*!< flush via the LRU list */ + BUF_FLUSH_SINGLE_PAGE, /*!< flush a single page */ + BUF_FLUSH_LIST, /*!< flush via the flush list + of dirty blocks */ + BUF_FLUSH_N_TYPES /*!< index of last element + 1 */ +}; + +/** Flags for io_fix types */ +enum buf_io_fix { + BUF_IO_NONE = 0, /**< no pending I/O */ + BUF_IO_READ, /**< read pending */ + BUF_IO_WRITE /**< write pending */ +}; + +/** Parameters of binary buddy system for compressed pages (buf0buddy.h) */ +/* @{ */ +#if UNIV_WORD_SIZE <= 4 /* 32-bit system */ +/** Base-2 logarithm of the smallest buddy block size */ +# define BUF_BUDDY_LOW_SHIFT 6 +#else /* 64-bit system */ +/** Base-2 logarithm of the smallest buddy block size */ +# define BUF_BUDDY_LOW_SHIFT 7 +#endif +#define BUF_BUDDY_LOW (1 << BUF_BUDDY_LOW_SHIFT) + /*!< minimum block size in the binary + buddy system; must be at least + sizeof(buf_page_t) */ +#define BUF_BUDDY_SIZES (UNIV_PAGE_SIZE_SHIFT - BUF_BUDDY_LOW_SHIFT) + /*!< number of buddy sizes */ + +/** twice the maximum block size of the buddy system; +the underlying memory is aligned by this amount: +this must be equal to UNIV_PAGE_SIZE */ +#define BUF_BUDDY_HIGH (BUF_BUDDY_LOW << BUF_BUDDY_SIZES) +/* @} */ + +#endif + diff --git a/perfschema/include/data0data.h b/perfschema/include/data0data.h new file mode 100644 index 00000000000..f9fce3f3657 --- /dev/null +++ b/perfschema/include/data0data.h @@ -0,0 +1,483 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/data0data.h +SQL data field and tuple + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#ifndef data0data_h +#define data0data_h + +#include "univ.i" + +#include "data0types.h" +#include "data0type.h" +#include "mem0mem.h" +#include "dict0types.h" + +/** Storage for overflow data in a big record, that is, a clustered +index record which needs external storage of data fields */ +typedef struct big_rec_struct big_rec_t; + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets pointer to the type struct of SQL data field. +@return pointer to the type struct */ +UNIV_INLINE +dtype_t* +dfield_get_type( +/*============*/ + const dfield_t* field); /*!< in: SQL data field */ +/*********************************************************************//** +Gets pointer to the data in a field. +@return pointer to data */ +UNIV_INLINE +void* +dfield_get_data( +/*============*/ + const dfield_t* field); /*!< in: field */ +#else /* UNIV_DEBUG */ +# define dfield_get_type(field) (&(field)->type) +# define dfield_get_data(field) ((field)->data) +#endif /* UNIV_DEBUG */ +/*********************************************************************//** +Sets the type struct of SQL data field. */ +UNIV_INLINE +void +dfield_set_type( +/*============*/ + dfield_t* field, /*!< in: SQL data field */ + dtype_t* type); /*!< in: pointer to data type struct */ +/*********************************************************************//** +Gets length of field data. +@return length of data; UNIV_SQL_NULL if SQL null data */ +UNIV_INLINE +ulint +dfield_get_len( +/*===========*/ + const dfield_t* field); /*!< in: field */ +/*********************************************************************//** +Sets length in a field. */ +UNIV_INLINE +void +dfield_set_len( +/*===========*/ + dfield_t* field, /*!< in: field */ + ulint len); /*!< in: length or UNIV_SQL_NULL */ +/*********************************************************************//** +Determines if a field is SQL NULL +@return nonzero if SQL null data */ +UNIV_INLINE +ulint +dfield_is_null( +/*===========*/ + const dfield_t* field); /*!< in: field */ +/*********************************************************************//** +Determines if a field is externally stored +@return nonzero if externally stored */ +UNIV_INLINE +ulint +dfield_is_ext( +/*==========*/ + const dfield_t* field); /*!< in: field */ +/*********************************************************************//** +Sets the "external storage" flag */ +UNIV_INLINE +void +dfield_set_ext( +/*===========*/ + dfield_t* field); /*!< in/out: field */ +/*********************************************************************//** +Sets pointer to the data and length in a field. */ +UNIV_INLINE +void +dfield_set_data( +/*============*/ + dfield_t* field, /*!< in: field */ + const void* data, /*!< in: data */ + ulint len); /*!< in: length or UNIV_SQL_NULL */ +/*********************************************************************//** +Sets a data field to SQL NULL. */ +UNIV_INLINE +void +dfield_set_null( +/*============*/ + dfield_t* field); /*!< in/out: field */ +/**********************************************************************//** +Writes an SQL null field full of zeros. */ +UNIV_INLINE +void +data_write_sql_null( +/*================*/ + byte* data, /*!< in: pointer to a buffer of size len */ + ulint len); /*!< in: SQL null size in bytes */ +/*********************************************************************//** +Copies the data and len fields. */ +UNIV_INLINE +void +dfield_copy_data( +/*=============*/ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2);/*!< in: field to copy from */ +/*********************************************************************//** +Copies a data field to another. */ +UNIV_INLINE +void +dfield_copy( +/*========*/ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2);/*!< in: field to copy from */ +/*********************************************************************//** +Copies the data pointed to by a data field. */ +UNIV_INLINE +void +dfield_dup( +/*=======*/ + dfield_t* field, /*!< in/out: data field */ + mem_heap_t* heap); /*!< in: memory heap where allocated */ +/*********************************************************************//** +Tests if data length and content is equal for two dfields. +@return TRUE if equal */ +UNIV_INLINE +ibool +dfield_datas_are_binary_equal( +/*==========================*/ + const dfield_t* field1, /*!< in: field */ + const dfield_t* field2);/*!< in: field */ +/*********************************************************************//** +Tests if dfield data length and content is equal to the given. +@return TRUE if equal */ +UNIV_INTERN +ibool +dfield_data_is_binary_equal( +/*========================*/ + const dfield_t* field, /*!< in: field */ + ulint len, /*!< in: data length or UNIV_SQL_NULL */ + const byte* data); /*!< in: data */ +/*********************************************************************//** +Gets number of fields in a data tuple. +@return number of fields */ +UNIV_INLINE +ulint +dtuple_get_n_fields( +/*================*/ + const dtuple_t* tuple); /*!< in: tuple */ +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets nth field of a tuple. +@return nth field */ +UNIV_INLINE +dfield_t* +dtuple_get_nth_field( +/*=================*/ + const dtuple_t* tuple, /*!< in: tuple */ + ulint n); /*!< in: index of field */ +#else /* UNIV_DEBUG */ +# define dtuple_get_nth_field(tuple, n) ((tuple)->fields + (n)) +#endif /* UNIV_DEBUG */ +/*********************************************************************//** +Gets info bits in a data tuple. +@return info bits */ +UNIV_INLINE +ulint +dtuple_get_info_bits( +/*=================*/ + const dtuple_t* tuple); /*!< in: tuple */ +/*********************************************************************//** +Sets info bits in a data tuple. */ +UNIV_INLINE +void +dtuple_set_info_bits( +/*=================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint info_bits); /*!< in: info bits */ +/*********************************************************************//** +Gets number of fields used in record comparisons. +@return number of fields used in comparisons in rem0cmp.* */ +UNIV_INLINE +ulint +dtuple_get_n_fields_cmp( +/*====================*/ + const dtuple_t* tuple); /*!< in: tuple */ +/*********************************************************************//** +Gets number of fields used in record comparisons. */ +UNIV_INLINE +void +dtuple_set_n_fields_cmp( +/*====================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields_cmp); /*!< in: number of fields used in + comparisons in rem0cmp.* */ +/**********************************************************//** +Creates a data tuple to a memory heap. The default value for number +of fields used in record comparisons for this tuple is n_fields. +@return own: created tuple */ +UNIV_INLINE +dtuple_t* +dtuple_create( +/*==========*/ + mem_heap_t* heap, /*!< in: memory heap where the tuple + is created */ + ulint n_fields); /*!< in: number of fields */ + +/**********************************************************//** +Wrap data fields in a tuple. The default value for number +of fields used in record comparisons for this tuple is n_fields. +@return data tuple */ +UNIV_INLINE +const dtuple_t* +dtuple_from_fields( +/*===============*/ + dtuple_t* tuple, /*!< in: storage for data tuple */ + const dfield_t* fields, /*!< in: fields */ + ulint n_fields); /*!< in: number of fields */ + +/*********************************************************************//** +Sets number of fields used in a tuple. Normally this is set in +dtuple_create, but if you want later to set it smaller, you can use this. */ +UNIV_INTERN +void +dtuple_set_n_fields( +/*================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields); /*!< in: number of fields */ +/*********************************************************************//** +Copies a data tuple to another. This is a shallow copy; if a deep copy +is desired, dfield_dup() will have to be invoked on each field. +@return own: copy of tuple */ +UNIV_INLINE +dtuple_t* +dtuple_copy( +/*========*/ + const dtuple_t* tuple, /*!< in: tuple to copy from */ + mem_heap_t* heap); /*!< in: memory heap + where the tuple is created */ +/**********************************************************//** +The following function returns the sum of data lengths of a tuple. The space +occupied by the field structs or the tuple struct is not counted. +@return sum of data lens */ +UNIV_INLINE +ulint +dtuple_get_data_size( +/*=================*/ + const dtuple_t* tuple, /*!< in: typed data tuple */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ +/*********************************************************************//** +Computes the number of externally stored fields in a data tuple. +@return number of fields */ +UNIV_INLINE +ulint +dtuple_get_n_ext( +/*=============*/ + const dtuple_t* tuple); /*!< in: tuple */ +/************************************************************//** +Compare two data tuples, respecting the collation of character fields. +@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, +than tuple2 */ +UNIV_INTERN +int +dtuple_coll_cmp( +/*============*/ + const dtuple_t* tuple1, /*!< in: tuple 1 */ + const dtuple_t* tuple2);/*!< in: tuple 2 */ +/************************************************************//** +Folds a prefix given as the number of fields of a tuple. +@return the folded value */ +UNIV_INLINE +ulint +dtuple_fold( +/*========*/ + const dtuple_t* tuple, /*!< in: the tuple */ + ulint n_fields,/*!< in: number of complete fields to fold */ + ulint n_bytes,/*!< in: number of bytes to fold in an + incomplete last field */ + dulint tree_id)/*!< in: index tree id */ + __attribute__((pure)); +/*******************************************************************//** +Sets types of fields binary in a tuple. */ +UNIV_INLINE +void +dtuple_set_types_binary( +/*====================*/ + dtuple_t* tuple, /*!< in: data tuple */ + ulint n); /*!< in: number of fields to set */ +/**********************************************************************//** +Checks if a dtuple contains an SQL null value. +@return TRUE if some field is SQL null */ +UNIV_INLINE +ibool +dtuple_contains_null( +/*=================*/ + const dtuple_t* tuple); /*!< in: dtuple */ +/**********************************************************//** +Checks that a data field is typed. Asserts an error if not. +@return TRUE if ok */ +UNIV_INTERN +ibool +dfield_check_typed( +/*===============*/ + const dfield_t* field); /*!< in: data field */ +/**********************************************************//** +Checks that a data tuple is typed. Asserts an error if not. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_check_typed( +/*===============*/ + const dtuple_t* tuple); /*!< in: tuple */ +/**********************************************************//** +Checks that a data tuple is typed. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_check_typed_no_assert( +/*=========================*/ + const dtuple_t* tuple); /*!< in: tuple */ +#ifdef UNIV_DEBUG +/**********************************************************//** +Validates the consistency of a tuple which must be complete, i.e, +all fields must have been set. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtuple_validate( +/*============*/ + const dtuple_t* tuple); /*!< in: tuple */ +#endif /* UNIV_DEBUG */ +/*************************************************************//** +Pretty prints a dfield value according to its data type. */ +UNIV_INTERN +void +dfield_print( +/*=========*/ + const dfield_t* dfield);/*!< in: dfield */ +/*************************************************************//** +Pretty prints a dfield value according to its data type. Also the hex string +is printed if a string contains non-printable characters. */ +UNIV_INTERN +void +dfield_print_also_hex( +/*==================*/ + const dfield_t* dfield); /*!< in: dfield */ +/**********************************************************//** +The following function prints the contents of a tuple. */ +UNIV_INTERN +void +dtuple_print( +/*=========*/ + FILE* f, /*!< in: output stream */ + const dtuple_t* tuple); /*!< in: tuple */ +/**************************************************************//** +Moves parts of long fields in entry to the big record vector so that +the size of tuple drops below the maximum record size allowed in the +database. Moves data only from those fields which are not necessary +to determine uniquely the insertion place of the tuple in the index. +@return own: created big record vector, NULL if we are not able to +shorten the entry enough, i.e., if there are too many fixed-length or +short fields in entry or the index is clustered */ +UNIV_INTERN +big_rec_t* +dtuple_convert_big_rec( +/*===================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in/out: index entry */ + ulint* n_ext); /*!< in/out: number of + externally stored columns */ +/**************************************************************//** +Puts back to entry the data stored in vector. Note that to ensure the +fields in entry can accommodate the data, vector must have been created +from entry with dtuple_convert_big_rec. */ +UNIV_INTERN +void +dtuple_convert_back_big_rec( +/*========================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: entry whose data was put to vector */ + big_rec_t* vector);/*!< in, own: big rec vector; it is + freed in this function */ +/**************************************************************//** +Frees the memory in a big rec vector. */ +UNIV_INLINE +void +dtuple_big_rec_free( +/*================*/ + big_rec_t* vector); /*!< in, own: big rec vector; it is + freed in this function */ + +/*######################################################################*/ + +/** Structure for an SQL data field */ +struct dfield_struct{ + void* data; /*!< pointer to data */ + unsigned ext:1; /*!< TRUE=externally stored, FALSE=local */ + unsigned len:32; /*!< data length; UNIV_SQL_NULL if SQL null */ + dtype_t type; /*!< type of data */ +}; + +/** Structure for an SQL data tuple of fields (logical record) */ +struct dtuple_struct { + ulint info_bits; /*!< info bits of an index record: + the default is 0; this field is used + if an index record is built from + a data tuple */ + ulint n_fields; /*!< number of fields in dtuple */ + ulint n_fields_cmp; /*!< number of fields which should + be used in comparison services + of rem0cmp.*; the index search + is performed by comparing only these + fields, others are ignored; the + default value in dtuple creation is + the same value as n_fields */ + dfield_t* fields; /*!< fields */ + UT_LIST_NODE_T(dtuple_t) tuple_list; + /*!< data tuples can be linked into a + list using this field */ +#ifdef UNIV_DEBUG + ulint magic_n; /*!< magic number, used in + debug assertions */ +/** Value of dtuple_struct::magic_n */ +# define DATA_TUPLE_MAGIC_N 65478679 +#endif /* UNIV_DEBUG */ +}; + +/** A slot for a field in a big rec vector */ +typedef struct big_rec_field_struct big_rec_field_t; +/** A slot for a field in a big rec vector */ +struct big_rec_field_struct { + ulint field_no; /*!< field number in record */ + ulint len; /*!< stored data length, in bytes */ + const void* data; /*!< stored data */ +}; + +/** Storage format for overflow data in a big record, that is, a +clustered index record which needs external storage of data fields */ +struct big_rec_struct { + mem_heap_t* heap; /*!< memory heap from which + allocated */ + ulint n_fields; /*!< number of stored fields */ + big_rec_field_t*fields; /*!< stored fields */ +}; + +#ifndef UNIV_NONINL +#include "data0data.ic" +#endif + +#endif diff --git a/perfschema/include/data0data.ic b/perfschema/include/data0data.ic new file mode 100644 index 00000000000..da79aa33702 --- /dev/null +++ b/perfschema/include/data0data.ic @@ -0,0 +1,612 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/data0data.ic +SQL data field and tuple + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#include "mem0mem.h" +#include "ut0rnd.h" + +#ifdef UNIV_DEBUG +/** Dummy variable to catch access to uninitialized fields. In the +debug version, dtuple_create() will make all fields of dtuple_t point +to data_error. */ +extern byte data_error; + +/*********************************************************************//** +Gets pointer to the type struct of SQL data field. +@return pointer to the type struct */ +UNIV_INLINE +dtype_t* +dfield_get_type( +/*============*/ + const dfield_t* field) /*!< in: SQL data field */ +{ + ut_ad(field); + + return((dtype_t*) &(field->type)); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Sets the type struct of SQL data field. */ +UNIV_INLINE +void +dfield_set_type( +/*============*/ + dfield_t* field, /*!< in: SQL data field */ + dtype_t* type) /*!< in: pointer to data type struct */ +{ + ut_ad(field && type); + + field->type = *type; +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets pointer to the data in a field. +@return pointer to data */ +UNIV_INLINE +void* +dfield_get_data( +/*============*/ + const dfield_t* field) /*!< in: field */ +{ + ut_ad(field); + ut_ad((field->len == UNIV_SQL_NULL) + || (field->data != &data_error)); + + return((void*) field->data); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Gets length of field data. +@return length of data; UNIV_SQL_NULL if SQL null data */ +UNIV_INLINE +ulint +dfield_get_len( +/*===========*/ + const dfield_t* field) /*!< in: field */ +{ + ut_ad(field); + ut_ad((field->len == UNIV_SQL_NULL) + || (field->data != &data_error)); + + return(field->len); +} + +/*********************************************************************//** +Sets length in a field. */ +UNIV_INLINE +void +dfield_set_len( +/*===========*/ + dfield_t* field, /*!< in: field */ + ulint len) /*!< in: length or UNIV_SQL_NULL */ +{ + ut_ad(field); +#ifdef UNIV_VALGRIND_DEBUG + if (len != UNIV_SQL_NULL) UNIV_MEM_ASSERT_RW(field->data, len); +#endif /* UNIV_VALGRIND_DEBUG */ + + field->ext = 0; + field->len = len; +} + +/*********************************************************************//** +Determines if a field is SQL NULL +@return nonzero if SQL null data */ +UNIV_INLINE +ulint +dfield_is_null( +/*===========*/ + const dfield_t* field) /*!< in: field */ +{ + ut_ad(field); + + return(field->len == UNIV_SQL_NULL); +} + +/*********************************************************************//** +Determines if a field is externally stored +@return nonzero if externally stored */ +UNIV_INLINE +ulint +dfield_is_ext( +/*==========*/ + const dfield_t* field) /*!< in: field */ +{ + ut_ad(field); + + return(UNIV_UNLIKELY(field->ext)); +} + +/*********************************************************************//** +Sets the "external storage" flag */ +UNIV_INLINE +void +dfield_set_ext( +/*===========*/ + dfield_t* field) /*!< in/out: field */ +{ + ut_ad(field); + + field->ext = 1; +} + +/*********************************************************************//** +Sets pointer to the data and length in a field. */ +UNIV_INLINE +void +dfield_set_data( +/*============*/ + dfield_t* field, /*!< in: field */ + const void* data, /*!< in: data */ + ulint len) /*!< in: length or UNIV_SQL_NULL */ +{ + ut_ad(field); + +#ifdef UNIV_VALGRIND_DEBUG + if (len != UNIV_SQL_NULL) UNIV_MEM_ASSERT_RW(data, len); +#endif /* UNIV_VALGRIND_DEBUG */ + field->data = (void*) data; + field->ext = 0; + field->len = len; +} + +/*********************************************************************//** +Sets a data field to SQL NULL. */ +UNIV_INLINE +void +dfield_set_null( +/*============*/ + dfield_t* field) /*!< in/out: field */ +{ + dfield_set_data(field, NULL, UNIV_SQL_NULL); +} + +/*********************************************************************//** +Copies the data and len fields. */ +UNIV_INLINE +void +dfield_copy_data( +/*=============*/ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2) /*!< in: field to copy from */ +{ + ut_ad(field1 && field2); + + field1->data = field2->data; + field1->len = field2->len; + field1->ext = field2->ext; +} + +/*********************************************************************//** +Copies a data field to another. */ +UNIV_INLINE +void +dfield_copy( +/*========*/ + dfield_t* field1, /*!< out: field to copy to */ + const dfield_t* field2) /*!< in: field to copy from */ +{ + *field1 = *field2; +} + +/*********************************************************************//** +Copies the data pointed to by a data field. */ +UNIV_INLINE +void +dfield_dup( +/*=======*/ + dfield_t* field, /*!< in/out: data field */ + mem_heap_t* heap) /*!< in: memory heap where allocated */ +{ + if (!dfield_is_null(field)) { + UNIV_MEM_ASSERT_RW(field->data, field->len); + field->data = mem_heap_dup(heap, field->data, field->len); + } +} + +/*********************************************************************//** +Tests if data length and content is equal for two dfields. +@return TRUE if equal */ +UNIV_INLINE +ibool +dfield_datas_are_binary_equal( +/*==========================*/ + const dfield_t* field1, /*!< in: field */ + const dfield_t* field2) /*!< in: field */ +{ + ulint len; + + len = field1->len; + + return(len == field2->len + && (len == UNIV_SQL_NULL + || !memcmp(field1->data, field2->data, len))); +} + +/*********************************************************************//** +Gets info bits in a data tuple. +@return info bits */ +UNIV_INLINE +ulint +dtuple_get_info_bits( +/*=================*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + ut_ad(tuple); + + return(tuple->info_bits); +} + +/*********************************************************************//** +Sets info bits in a data tuple. */ +UNIV_INLINE +void +dtuple_set_info_bits( +/*=================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint info_bits) /*!< in: info bits */ +{ + ut_ad(tuple); + + tuple->info_bits = info_bits; +} + +/*********************************************************************//** +Gets number of fields used in record comparisons. +@return number of fields used in comparisons in rem0cmp.* */ +UNIV_INLINE +ulint +dtuple_get_n_fields_cmp( +/*====================*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + ut_ad(tuple); + + return(tuple->n_fields_cmp); +} + +/*********************************************************************//** +Sets number of fields used in record comparisons. */ +UNIV_INLINE +void +dtuple_set_n_fields_cmp( +/*====================*/ + dtuple_t* tuple, /*!< in: tuple */ + ulint n_fields_cmp) /*!< in: number of fields used in + comparisons in rem0cmp.* */ +{ + ut_ad(tuple); + ut_ad(n_fields_cmp <= tuple->n_fields); + + tuple->n_fields_cmp = n_fields_cmp; +} + +/*********************************************************************//** +Gets number of fields in a data tuple. +@return number of fields */ +UNIV_INLINE +ulint +dtuple_get_n_fields( +/*================*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + ut_ad(tuple); + + return(tuple->n_fields); +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Gets nth field of a tuple. +@return nth field */ +UNIV_INLINE +dfield_t* +dtuple_get_nth_field( +/*=================*/ + const dtuple_t* tuple, /*!< in: tuple */ + ulint n) /*!< in: index of field */ +{ + ut_ad(tuple); + ut_ad(n < tuple->n_fields); + + return((dfield_t*) tuple->fields + n); +} +#endif /* UNIV_DEBUG */ + +/**********************************************************//** +Creates a data tuple to a memory heap. The default value for number +of fields used in record comparisons for this tuple is n_fields. +@return own: created tuple */ +UNIV_INLINE +dtuple_t* +dtuple_create( +/*==========*/ + mem_heap_t* heap, /*!< in: memory heap where the tuple + is created */ + ulint n_fields) /*!< in: number of fields */ +{ + dtuple_t* tuple; + + ut_ad(heap); + + tuple = (dtuple_t*) mem_heap_alloc(heap, sizeof(dtuple_t) + + n_fields * sizeof(dfield_t)); + tuple->info_bits = 0; + tuple->n_fields = n_fields; + tuple->n_fields_cmp = n_fields; + tuple->fields = (dfield_t*) &tuple[1]; + +#ifdef UNIV_DEBUG + tuple->magic_n = DATA_TUPLE_MAGIC_N; + + { /* In the debug version, initialize fields to an error value */ + ulint i; + + for (i = 0; i < n_fields; i++) { + dfield_t* field; + + field = dtuple_get_nth_field(tuple, i); + + dfield_set_len(field, UNIV_SQL_NULL); + field->data = &data_error; + dfield_get_type(field)->mtype = DATA_ERROR; + } + } + + UNIV_MEM_INVALID(tuple->fields, n_fields * sizeof *tuple->fields); +#endif + return(tuple); +} + +/**********************************************************//** +Wrap data fields in a tuple. The default value for number +of fields used in record comparisons for this tuple is n_fields. +@return data tuple */ +UNIV_INLINE +const dtuple_t* +dtuple_from_fields( +/*===============*/ + dtuple_t* tuple, /*!< in: storage for data tuple */ + const dfield_t* fields, /*!< in: fields */ + ulint n_fields) /*!< in: number of fields */ +{ + tuple->info_bits = 0; + tuple->n_fields = tuple->n_fields_cmp = n_fields; + tuple->fields = (dfield_t*) fields; + ut_d(tuple->magic_n = DATA_TUPLE_MAGIC_N); + + return(tuple); +} + +/*********************************************************************//** +Copies a data tuple to another. This is a shallow copy; if a deep copy +is desired, dfield_dup() will have to be invoked on each field. +@return own: copy of tuple */ +UNIV_INLINE +dtuple_t* +dtuple_copy( +/*========*/ + const dtuple_t* tuple, /*!< in: tuple to copy from */ + mem_heap_t* heap) /*!< in: memory heap + where the tuple is created */ +{ + ulint n_fields = dtuple_get_n_fields(tuple); + dtuple_t* new_tuple = dtuple_create(heap, n_fields); + ulint i; + + for (i = 0; i < n_fields; i++) { + dfield_copy(dtuple_get_nth_field(new_tuple, i), + dtuple_get_nth_field(tuple, i)); + } + + return(new_tuple); +} + +/**********************************************************//** +The following function returns the sum of data lengths of a tuple. The space +occupied by the field structs or the tuple struct is not counted. Neither +is possible space in externally stored parts of the field. +@return sum of data lengths */ +UNIV_INLINE +ulint +dtuple_get_data_size( +/*=================*/ + const dtuple_t* tuple, /*!< in: typed data tuple */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ +{ + const dfield_t* field; + ulint n_fields; + ulint len; + ulint i; + ulint sum = 0; + + ut_ad(tuple); + ut_ad(dtuple_check_typed(tuple)); + ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); + + n_fields = tuple->n_fields; + + for (i = 0; i < n_fields; i++) { + field = dtuple_get_nth_field(tuple, i); + len = dfield_get_len(field); + + if (len == UNIV_SQL_NULL) { + len = dtype_get_sql_null_size(dfield_get_type(field), + comp); + } + + sum += len; + } + + return(sum); +} + +/*********************************************************************//** +Computes the number of externally stored fields in a data tuple. +@return number of externally stored fields */ +UNIV_INLINE +ulint +dtuple_get_n_ext( +/*=============*/ + const dtuple_t* tuple) /*!< in: tuple */ +{ + ulint n_ext = 0; + ulint n_fields = tuple->n_fields; + ulint i; + + ut_ad(tuple); + ut_ad(dtuple_check_typed(tuple)); + ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); + + for (i = 0; i < n_fields; i++) { + n_ext += dtuple_get_nth_field(tuple, i)->ext; + } + + return(n_ext); +} + +/*******************************************************************//** +Sets types of fields binary in a tuple. */ +UNIV_INLINE +void +dtuple_set_types_binary( +/*====================*/ + dtuple_t* tuple, /*!< in: data tuple */ + ulint n) /*!< in: number of fields to set */ +{ + dtype_t* dfield_type; + ulint i; + + for (i = 0; i < n; i++) { + dfield_type = dfield_get_type(dtuple_get_nth_field(tuple, i)); + dtype_set(dfield_type, DATA_BINARY, 0, 0); + } +} + +/************************************************************//** +Folds a prefix given as the number of fields of a tuple. +@return the folded value */ +UNIV_INLINE +ulint +dtuple_fold( +/*========*/ + const dtuple_t* tuple, /*!< in: the tuple */ + ulint n_fields,/*!< in: number of complete fields to fold */ + ulint n_bytes,/*!< in: number of bytes to fold in an + incomplete last field */ + dulint tree_id)/*!< in: index tree id */ +{ + const dfield_t* field; + ulint i; + const byte* data; + ulint len; + ulint fold; + + ut_ad(tuple); + ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); + ut_ad(dtuple_check_typed(tuple)); + + fold = ut_fold_dulint(tree_id); + + for (i = 0; i < n_fields; i++) { + field = dtuple_get_nth_field(tuple, i); + + data = (const byte*) dfield_get_data(field); + len = dfield_get_len(field); + + if (len != UNIV_SQL_NULL) { + fold = ut_fold_ulint_pair(fold, + ut_fold_binary(data, len)); + } + } + + if (n_bytes > 0) { + field = dtuple_get_nth_field(tuple, i); + + data = (const byte*) dfield_get_data(field); + len = dfield_get_len(field); + + if (len != UNIV_SQL_NULL) { + if (len > n_bytes) { + len = n_bytes; + } + + fold = ut_fold_ulint_pair(fold, + ut_fold_binary(data, len)); + } + } + + return(fold); +} + +/**********************************************************************//** +Writes an SQL null field full of zeros. */ +UNIV_INLINE +void +data_write_sql_null( +/*================*/ + byte* data, /*!< in: pointer to a buffer of size len */ + ulint len) /*!< in: SQL null size in bytes */ +{ + memset(data, 0, len); +} + +/**********************************************************************//** +Checks if a dtuple contains an SQL null value. +@return TRUE if some field is SQL null */ +UNIV_INLINE +ibool +dtuple_contains_null( +/*=================*/ + const dtuple_t* tuple) /*!< in: dtuple */ +{ + ulint n; + ulint i; + + n = dtuple_get_n_fields(tuple); + + for (i = 0; i < n; i++) { + if (dfield_is_null(dtuple_get_nth_field(tuple, i))) { + + return(TRUE); + } + } + + return(FALSE); +} + +/**************************************************************//** +Frees the memory in a big rec vector. */ +UNIV_INLINE +void +dtuple_big_rec_free( +/*================*/ + big_rec_t* vector) /*!< in, own: big rec vector; it is + freed in this function */ +{ + mem_heap_free(vector->heap); +} diff --git a/perfschema/include/data0type.h b/perfschema/include/data0type.h new file mode 100644 index 00000000000..a73bed3a9f5 --- /dev/null +++ b/perfschema/include/data0type.h @@ -0,0 +1,486 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/data0type.h +Data types + +Created 1/16/1996 Heikki Tuuri +*******************************************************/ + +#ifndef data0type_h +#define data0type_h + +#include "univ.i" + +extern ulint data_mysql_default_charset_coll; +#define DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL 8 +#define DATA_MYSQL_BINARY_CHARSET_COLL 63 + +/* SQL data type struct */ +typedef struct dtype_struct dtype_t; + +/*-------------------------------------------*/ +/* The 'MAIN TYPE' of a column */ +#define DATA_VARCHAR 1 /* character varying of the + latin1_swedish_ci charset-collation; note + that the MySQL format for this, DATA_BINARY, + DATA_VARMYSQL, is also affected by whether the + 'precise type' contains + DATA_MYSQL_TRUE_VARCHAR */ +#define DATA_CHAR 2 /* fixed length character of the + latin1_swedish_ci charset-collation */ +#define DATA_FIXBINARY 3 /* binary string of fixed length */ +#define DATA_BINARY 4 /* binary string */ +#define DATA_BLOB 5 /* binary large object, or a TEXT type; + if prtype & DATA_BINARY_TYPE == 0, then this is + actually a TEXT column (or a BLOB created + with < 4.0.14; since column prefix indexes + came only in 4.0.14, the missing flag in BLOBs + created before that does not cause any harm) */ +#define DATA_INT 6 /* integer: can be any size 1 - 8 bytes */ +#define DATA_SYS_CHILD 7 /* address of the child page in node pointer */ +#define DATA_SYS 8 /* system column */ + +/* Data types >= DATA_FLOAT must be compared using the whole field, not as +binary strings */ + +#define DATA_FLOAT 9 +#define DATA_DOUBLE 10 +#define DATA_DECIMAL 11 /* decimal number stored as an ASCII string */ +#define DATA_VARMYSQL 12 /* any charset varying length char */ +#define DATA_MYSQL 13 /* any charset fixed length char */ + /* NOTE that 4.1.1 used DATA_MYSQL and + DATA_VARMYSQL for all character sets, and the + charset-collation for tables created with it + can also be latin1_swedish_ci */ +#define DATA_MTYPE_MAX 63 /* dtype_store_for_order_and_null_size() + requires the values are <= 63 */ +/*-------------------------------------------*/ +/* The 'PRECISE TYPE' of a column */ +/* +Tables created by a MySQL user have the following convention: + +- In the least significant byte in the precise type we store the MySQL type +code (not applicable for system columns). + +- In the second least significant byte we OR flags DATA_NOT_NULL, +DATA_UNSIGNED, DATA_BINARY_TYPE. + +- In the third least significant byte of the precise type of string types we +store the MySQL charset-collation code. In DATA_BLOB columns created with +< 4.0.14 we do not actually know if it is a BLOB or a TEXT column. Since there +are no indexes on prefixes of BLOB or TEXT columns in < 4.0.14, this is no +problem, though. + +Note that versions < 4.1.2 or < 5.0.1 did not store the charset code to the +precise type, since the charset was always the default charset of the MySQL +installation. If the stored charset code is 0 in the system table SYS_COLUMNS +of InnoDB, that means that the default charset of this MySQL installation +should be used. + +When loading a table definition from the system tables to the InnoDB data +dictionary cache in main memory, InnoDB versions >= 4.1.2 and >= 5.0.1 check +if the stored charset-collation is 0, and if that is the case and the type is +a non-binary string, replace that 0 by the default charset-collation code of +this MySQL installation. In short, in old tables, the charset-collation code +in the system tables on disk can be 0, but in in-memory data structures +(dtype_t), the charset-collation code is always != 0 for non-binary string +types. + +In new tables, in binary string types, the charset-collation code is the +MySQL code for the 'binary charset', that is, != 0. + +For binary string types and for DATA_CHAR, DATA_VARCHAR, and for those +DATA_BLOB which are binary or have the charset-collation latin1_swedish_ci, +InnoDB performs all comparisons internally, without resorting to the MySQL +comparison functions. This is to save CPU time. + +InnoDB's own internal system tables have different precise types for their +columns, and for them the precise type is usually not used at all. +*/ + +#define DATA_ENGLISH 4 /* English language character string: this + is a relic from pre-MySQL time and only used + for InnoDB's own system tables */ +#define DATA_ERROR 111 /* another relic from pre-MySQL time */ + +#define DATA_MYSQL_TYPE_MASK 255 /* AND with this mask to extract the MySQL + type from the precise type */ +#define DATA_MYSQL_TRUE_VARCHAR 15 /* MySQL type code for the >= 5.0.3 + format true VARCHAR */ + +/* Precise data types for system columns and the length of those columns; +NOTE: the values must run from 0 up in the order given! All codes must +be less than 256 */ +#define DATA_ROW_ID 0 /* row id: a dulint */ +#define DATA_ROW_ID_LEN 6 /* stored length for row id */ + +#define DATA_TRX_ID 1 /* transaction id: 6 bytes */ +#define DATA_TRX_ID_LEN 6 + +#define DATA_ROLL_PTR 2 /* rollback data pointer: 7 bytes */ +#define DATA_ROLL_PTR_LEN 7 + +#define DATA_N_SYS_COLS 3 /* number of system columns defined above */ + +#define DATA_SYS_PRTYPE_MASK 0xF /* mask to extract the above from prtype */ + +/* Flags ORed to the precise data type */ +#define DATA_NOT_NULL 256 /* this is ORed to the precise type when + the column is declared as NOT NULL */ +#define DATA_UNSIGNED 512 /* this id ORed to the precise type when + we have an unsigned integer type */ +#define DATA_BINARY_TYPE 1024 /* if the data type is a binary character + string, this is ORed to the precise type: + this only holds for tables created with + >= MySQL-4.0.14 */ +/* #define DATA_NONLATIN1 2048 This is a relic from < 4.1.2 and < 5.0.1. + In earlier versions this was set for some + BLOB columns. +*/ +#define DATA_LONG_TRUE_VARCHAR 4096 /* this is ORed to the precise data + type when the column is true VARCHAR where + MySQL uses 2 bytes to store the data len; + for shorter VARCHARs MySQL uses only 1 byte */ +/*-------------------------------------------*/ + +/* This many bytes we need to store the type information affecting the +alphabetical order for a single field and decide the storage size of an +SQL null*/ +#define DATA_ORDER_NULL_TYPE_BUF_SIZE 4 +/* In the >= 4.1.x storage format we add 2 bytes more so that we can also +store the charset-collation number; one byte is left unused, though */ +#define DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE 6 + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Gets the MySQL type code from a dtype. +@return MySQL type code; this is NOT an InnoDB type code! */ +UNIV_INLINE +ulint +dtype_get_mysql_type( +/*=================*/ + const dtype_t* type); /*!< in: type struct */ +/*********************************************************************//** +Determine how many bytes the first n characters of the given string occupy. +If the string is shorter than n characters, returns the number of bytes +the characters in the string occupy. +@return length of the prefix, in bytes */ +UNIV_INTERN +ulint +dtype_get_at_most_n_mbchars( +/*========================*/ + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a + multi-byte character */ + ulint mbmaxlen, /*!< in: maximum length of a + multi-byte character */ + ulint prefix_len, /*!< in: length of the requested + prefix, in characters, multiplied by + dtype_get_mbmaxlen(dtype) */ + ulint data_len, /*!< in: length of str (in bytes) */ + const char* str); /*!< in: the string whose prefix + length is being determined */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Checks if a data main type is a string type. Also a BLOB is considered a +string type. +@return TRUE if string type */ +UNIV_INTERN +ibool +dtype_is_string_type( +/*=================*/ + ulint mtype); /*!< in: InnoDB main data type code: DATA_CHAR, ... */ +/*********************************************************************//** +Checks if a type is a binary string type. Note that for tables created with +< 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For +those DATA_BLOB columns this function currently returns FALSE. +@return TRUE if binary string type */ +UNIV_INTERN +ibool +dtype_is_binary_string_type( +/*========================*/ + ulint mtype, /*!< in: main data type */ + ulint prtype);/*!< in: precise type */ +/*********************************************************************//** +Checks if a type is a non-binary string type. That is, dtype_is_string_type is +TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created +with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. +For those DATA_BLOB columns this function currently returns TRUE. +@return TRUE if non-binary string type */ +UNIV_INTERN +ibool +dtype_is_non_binary_string_type( +/*============================*/ + ulint mtype, /*!< in: main data type */ + ulint prtype);/*!< in: precise type */ +/*********************************************************************//** +Sets a data type structure. */ +UNIV_INLINE +void +dtype_set( +/*======*/ + dtype_t* type, /*!< in: type struct to init */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint len); /*!< in: precision of type */ +/*********************************************************************//** +Copies a data type structure. */ +UNIV_INLINE +void +dtype_copy( +/*=======*/ + dtype_t* type1, /*!< in: type struct to copy to */ + const dtype_t* type2); /*!< in: type struct to copy from */ +/*********************************************************************//** +Gets the SQL main data type. +@return SQL main data type */ +UNIV_INLINE +ulint +dtype_get_mtype( +/*============*/ + const dtype_t* type); /*!< in: data type */ +/*********************************************************************//** +Gets the precise data type. +@return precise data type */ +UNIV_INLINE +ulint +dtype_get_prtype( +/*=============*/ + const dtype_t* type); /*!< in: data type */ +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Compute the mbminlen and mbmaxlen members of a data type structure. */ +UNIV_INLINE +void +dtype_get_mblen( +/*============*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type (and collation) */ + ulint* mbminlen, /*!< out: minimum length of a + multi-byte character */ + ulint* mbmaxlen); /*!< out: maximum length of a + multi-byte character */ +/*********************************************************************//** +Gets the MySQL charset-collation code for MySQL string types. +@return MySQL charset-collation code */ +UNIV_INLINE +ulint +dtype_get_charset_coll( +/*===================*/ + ulint prtype);/*!< in: precise data type */ +/*********************************************************************//** +Forms a precise type from the < 4.1.2 format precise type plus the +charset-collation code. +@return precise type, including the charset-collation code */ +UNIV_INTERN +ulint +dtype_form_prtype( +/*==============*/ + ulint old_prtype, /*!< in: the MySQL type code and the flags + DATA_BINARY_TYPE etc. */ + ulint charset_coll); /*!< in: MySQL charset-collation code */ +/*********************************************************************//** +Determines if a MySQL string type is a subset of UTF-8. This function +may return false negatives, in case further character-set collation +codes are introduced in MySQL later. +@return TRUE if a subset of UTF-8 */ +UNIV_INLINE +ibool +dtype_is_utf8( +/*==========*/ + ulint prtype);/*!< in: precise data type */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Gets the type length. +@return fixed length of the type, in bytes, or 0 if variable-length */ +UNIV_INLINE +ulint +dtype_get_len( +/*==========*/ + const dtype_t* type); /*!< in: data type */ +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Gets the minimum length of a character, in bytes. +@return minimum length of a char, in bytes, or 0 if this is not a +character type */ +UNIV_INLINE +ulint +dtype_get_mbminlen( +/*===============*/ + const dtype_t* type); /*!< in: type */ +/*********************************************************************//** +Gets the maximum length of a character, in bytes. +@return maximum length of a char, in bytes, or 0 if this is not a +character type */ +UNIV_INLINE +ulint +dtype_get_mbmaxlen( +/*===============*/ + const dtype_t* type); /*!< in: type */ +/*********************************************************************//** +Gets the padding character code for the type. +@return padding character code, or ULINT_UNDEFINED if no padding specified */ +UNIV_INLINE +ulint +dtype_get_pad_char( +/*===============*/ + ulint mtype, /*!< in: main type */ + ulint prtype); /*!< in: precise type */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************************//** +Returns the size of a fixed size data type, 0 if not a fixed size type. +@return fixed size, or 0 */ +UNIV_INLINE +ulint +dtype_get_fixed_size_low( +/*=====================*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Returns the minimum size of a data type. +@return minimum size */ +UNIV_INLINE +ulint +dtype_get_min_size_low( +/*===================*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen); /*!< in: maximum length of a multibyte char */ +/***********************************************************************//** +Returns the maximum size of a data type. Note: types in system tables may be +incomplete and return incorrect information. +@return maximum size */ +UNIV_INLINE +ulint +dtype_get_max_size_low( +/*===================*/ + ulint mtype, /*!< in: main type */ + ulint len); /*!< in: length */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************************//** +Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ +UNIV_INLINE +ulint +dtype_get_sql_null_size( +/*====================*/ + const dtype_t* type, /*!< in: type */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Reads to a type the stored information which determines its alphabetical +ordering and the storage size of an SQL NULL value. */ +UNIV_INLINE +void +dtype_read_for_order_and_null_size( +/*===============================*/ + dtype_t* type, /*!< in: type struct */ + const byte* buf); /*!< in: buffer for the stored order info */ +/**********************************************************************//** +Stores for a type the information which determines its alphabetical ordering +and the storage size of an SQL NULL value. This is the >= 4.1.x storage +format. */ +UNIV_INLINE +void +dtype_new_store_for_order_and_null_size( +/*====================================*/ + byte* buf, /*!< in: buffer for + DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE + bytes where we store the info */ + const dtype_t* type, /*!< in: type struct */ + ulint prefix_len);/*!< in: prefix length to + replace type->len, or 0 */ +/**********************************************************************//** +Reads to a type the stored information which determines its alphabetical +ordering and the storage size of an SQL NULL value. This is the 4.1.x storage +format. */ +UNIV_INLINE +void +dtype_new_read_for_order_and_null_size( +/*===================================*/ + dtype_t* type, /*!< in: type struct */ + const byte* buf); /*!< in: buffer for stored type order info */ +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Validates a data type structure. +@return TRUE if ok */ +UNIV_INTERN +ibool +dtype_validate( +/*===========*/ + const dtype_t* type); /*!< in: type struct to validate */ +/*********************************************************************//** +Prints a data type structure. */ +UNIV_INTERN +void +dtype_print( +/*========*/ + const dtype_t* type); /*!< in: type */ + +/* Structure for an SQL data type. +If you add fields to this structure, be sure to initialize them everywhere. +This structure is initialized in the following functions: +dtype_set() +dtype_read_for_order_and_null_size() +dtype_new_read_for_order_and_null_size() +sym_tab_add_null_lit() */ + +struct dtype_struct{ + unsigned mtype:8; /*!< main data type */ + unsigned prtype:24; /*!< precise type; MySQL data + type, charset code, flags to + indicate nullability, + signedness, whether this is a + binary string, whether this is + a true VARCHAR where MySQL + uses 2 bytes to store the length */ + + /* the remaining fields do not affect alphabetical ordering: */ + + unsigned len:16; /*!< length; for MySQL data this + is field->pack_length(), + except that for a >= 5.0.3 + type true VARCHAR this is the + maximum byte length of the + string data (in addition to + the string, MySQL uses 1 or 2 + bytes to store the string length) */ +#ifndef UNIV_HOTBACKUP + unsigned mbminlen:2; /*!< minimum length of a + character, in bytes */ + unsigned mbmaxlen:3; /*!< maximum length of a + character, in bytes */ +#endif /* !UNIV_HOTBACKUP */ +}; + +#ifndef UNIV_NONINL +#include "data0type.ic" +#endif + +#endif diff --git a/perfschema/include/data0type.ic b/perfschema/include/data0type.ic new file mode 100644 index 00000000000..240b4288f39 --- /dev/null +++ b/perfschema/include/data0type.ic @@ -0,0 +1,599 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/data0type.ic +Data types + +Created 1/16/1996 Heikki Tuuri +*******************************************************/ + +#include "mach0data.h" +#ifndef UNIV_HOTBACKUP +# include "ha_prototypes.h" + +/*********************************************************************//** +Gets the MySQL charset-collation code for MySQL string types. +@return MySQL charset-collation code */ +UNIV_INLINE +ulint +dtype_get_charset_coll( +/*===================*/ + ulint prtype) /*!< in: precise data type */ +{ + return((prtype >> 16) & 0xFFUL); +} + +/*********************************************************************//** +Determines if a MySQL string type is a subset of UTF-8. This function +may return false negatives, in case further character-set collation +codes are introduced in MySQL later. +@return TRUE if a subset of UTF-8 */ +UNIV_INLINE +ibool +dtype_is_utf8( +/*==========*/ + ulint prtype) /*!< in: precise data type */ +{ + /* These codes have been copied from strings/ctype-extra.c + and strings/ctype-utf8.c. */ + switch (dtype_get_charset_coll(prtype)) { + case 11: /* ascii_general_ci */ + case 65: /* ascii_bin */ + case 33: /* utf8_general_ci */ + case 83: /* utf8_bin */ + case 254: /* utf8_general_cs */ + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Gets the MySQL type code from a dtype. +@return MySQL type code; this is NOT an InnoDB type code! */ +UNIV_INLINE +ulint +dtype_get_mysql_type( +/*=================*/ + const dtype_t* type) /*!< in: type struct */ +{ + return(type->prtype & 0xFFUL); +} + +/*********************************************************************//** +Compute the mbminlen and mbmaxlen members of a data type structure. */ +UNIV_INLINE +void +dtype_get_mblen( +/*============*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type (and collation) */ + ulint* mbminlen, /*!< out: minimum length of a + multi-byte character */ + ulint* mbmaxlen) /*!< out: maximum length of a + multi-byte character */ +{ + if (dtype_is_string_type(mtype)) { + innobase_get_cset_width(dtype_get_charset_coll(prtype), + mbminlen, mbmaxlen); + ut_ad(*mbminlen <= *mbmaxlen); + ut_ad(*mbminlen <= 2); /* mbminlen in dtype_t is 0..3 */ + ut_ad(*mbmaxlen < 1 << 3); /* mbmaxlen in dtype_t is 0..7 */ + } else { + *mbminlen = *mbmaxlen = 0; + } +} + +/*********************************************************************//** +Compute the mbminlen and mbmaxlen members of a data type structure. */ +UNIV_INLINE +void +dtype_set_mblen( +/*============*/ + dtype_t* type) /*!< in/out: type */ +{ + ulint mbminlen; + ulint mbmaxlen; + + dtype_get_mblen(type->mtype, type->prtype, &mbminlen, &mbmaxlen); + type->mbminlen = mbminlen; + type->mbmaxlen = mbmaxlen; + + ut_ad(dtype_validate(type)); +} +#else /* !UNIV_HOTBACKUP */ +# define dtype_set_mblen(type) (void) 0 +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Sets a data type structure. */ +UNIV_INLINE +void +dtype_set( +/*======*/ + dtype_t* type, /*!< in: type struct to init */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint len) /*!< in: precision of type */ +{ + ut_ad(type); + ut_ad(mtype <= DATA_MTYPE_MAX); + + type->mtype = mtype; + type->prtype = prtype; + type->len = len; + + dtype_set_mblen(type); +} + +/*********************************************************************//** +Copies a data type structure. */ +UNIV_INLINE +void +dtype_copy( +/*=======*/ + dtype_t* type1, /*!< in: type struct to copy to */ + const dtype_t* type2) /*!< in: type struct to copy from */ +{ + *type1 = *type2; + + ut_ad(dtype_validate(type1)); +} + +/*********************************************************************//** +Gets the SQL main data type. +@return SQL main data type */ +UNIV_INLINE +ulint +dtype_get_mtype( +/*============*/ + const dtype_t* type) /*!< in: data type */ +{ + ut_ad(type); + + return(type->mtype); +} + +/*********************************************************************//** +Gets the precise data type. +@return precise data type */ +UNIV_INLINE +ulint +dtype_get_prtype( +/*=============*/ + const dtype_t* type) /*!< in: data type */ +{ + ut_ad(type); + + return(type->prtype); +} + +/*********************************************************************//** +Gets the type length. +@return fixed length of the type, in bytes, or 0 if variable-length */ +UNIV_INLINE +ulint +dtype_get_len( +/*==========*/ + const dtype_t* type) /*!< in: data type */ +{ + ut_ad(type); + + return(type->len); +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Gets the minimum length of a character, in bytes. +@return minimum length of a char, in bytes, or 0 if this is not a +character type */ +UNIV_INLINE +ulint +dtype_get_mbminlen( +/*===============*/ + const dtype_t* type) /*!< in: type */ +{ + ut_ad(type); + return(type->mbminlen); +} +/*********************************************************************//** +Gets the maximum length of a character, in bytes. +@return maximum length of a char, in bytes, or 0 if this is not a +character type */ +UNIV_INLINE +ulint +dtype_get_mbmaxlen( +/*===============*/ + const dtype_t* type) /*!< in: type */ +{ + ut_ad(type); + return(type->mbmaxlen); +} + +/*********************************************************************//** +Gets the padding character code for a type. +@return padding character code, or ULINT_UNDEFINED if no padding specified */ +UNIV_INLINE +ulint +dtype_get_pad_char( +/*===============*/ + ulint mtype, /*!< in: main type */ + ulint prtype) /*!< in: precise type */ +{ + switch (mtype) { + case DATA_FIXBINARY: + case DATA_BINARY: + if (UNIV_UNLIKELY(dtype_get_charset_coll(prtype) + == DATA_MYSQL_BINARY_CHARSET_COLL)) { + /* Starting from 5.0.18, do not pad + VARBINARY or BINARY columns. */ + return(ULINT_UNDEFINED); + } + /* Fall through */ + case DATA_CHAR: + case DATA_VARCHAR: + case DATA_MYSQL: + case DATA_VARMYSQL: + /* Space is the padding character for all char and binary + strings, and starting from 5.0.3, also for TEXT strings. */ + + return(0x20); + case DATA_BLOB: + if (!(prtype & DATA_BINARY_TYPE)) { + return(0x20); + } + /* Fall through */ + default: + /* No padding specified */ + return(ULINT_UNDEFINED); + } +} + +/**********************************************************************//** +Stores for a type the information which determines its alphabetical ordering +and the storage size of an SQL NULL value. This is the >= 4.1.x storage +format. */ +UNIV_INLINE +void +dtype_new_store_for_order_and_null_size( +/*====================================*/ + byte* buf, /*!< in: buffer for + DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE + bytes where we store the info */ + const dtype_t* type, /*!< in: type struct */ + ulint prefix_len)/*!< in: prefix length to + replace type->len, or 0 */ +{ +#if 6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE +#error "6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" +#endif + ulint len; + + buf[0] = (byte)(type->mtype & 0xFFUL); + + if (type->prtype & DATA_BINARY_TYPE) { + buf[0] = buf[0] | 128; + } + + /* In versions < 4.1.2 we had: if (type->prtype & DATA_NONLATIN1) { + buf[0] = buf[0] | 64; + } + */ + + buf[1] = (byte)(type->prtype & 0xFFUL); + + len = prefix_len ? prefix_len : type->len; + + mach_write_to_2(buf + 2, len & 0xFFFFUL); + + ut_ad(dtype_get_charset_coll(type->prtype) < 256); + mach_write_to_2(buf + 4, dtype_get_charset_coll(type->prtype)); + + if (type->prtype & DATA_NOT_NULL) { + buf[4] |= 128; + } +} + +/**********************************************************************//** +Reads to a type the stored information which determines its alphabetical +ordering and the storage size of an SQL NULL value. This is the < 4.1.x +storage format. */ +UNIV_INLINE +void +dtype_read_for_order_and_null_size( +/*===============================*/ + dtype_t* type, /*!< in: type struct */ + const byte* buf) /*!< in: buffer for stored type order info */ +{ +#if 4 != DATA_ORDER_NULL_TYPE_BUF_SIZE +# error "4 != DATA_ORDER_NULL_TYPE_BUF_SIZE" +#endif + + type->mtype = buf[0] & 63; + type->prtype = buf[1]; + + if (buf[0] & 128) { + type->prtype = type->prtype | DATA_BINARY_TYPE; + } + + type->len = mach_read_from_2(buf + 2); + + type->prtype = dtype_form_prtype(type->prtype, + data_mysql_default_charset_coll); + dtype_set_mblen(type); +} + +/**********************************************************************//** +Reads to a type the stored information which determines its alphabetical +ordering and the storage size of an SQL NULL value. This is the >= 4.1.x +storage format. */ +UNIV_INLINE +void +dtype_new_read_for_order_and_null_size( +/*===================================*/ + dtype_t* type, /*!< in: type struct */ + const byte* buf) /*!< in: buffer for stored type order info */ +{ + ulint charset_coll; + +#if 6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE +#error "6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" +#endif + + type->mtype = buf[0] & 63; + type->prtype = buf[1]; + + if (buf[0] & 128) { + type->prtype |= DATA_BINARY_TYPE; + } + + if (buf[4] & 128) { + type->prtype |= DATA_NOT_NULL; + } + + type->len = mach_read_from_2(buf + 2); + + charset_coll = mach_read_from_2(buf + 4) & 0x7fff; + + if (dtype_is_string_type(type->mtype)) { + ut_a(charset_coll < 256); + + if (charset_coll == 0) { + /* This insert buffer record was inserted with MySQL + version < 4.1.2, and the charset-collation code was not + explicitly stored to dtype->prtype at that time. It + must be the default charset-collation of this MySQL + installation. */ + + charset_coll = data_mysql_default_charset_coll; + } + + type->prtype = dtype_form_prtype(type->prtype, charset_coll); + } + dtype_set_mblen(type); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************************//** +Returns the size of a fixed size data type, 0 if not a fixed size type. +@return fixed size, or 0 */ +UNIV_INLINE +ulint +dtype_get_fixed_size_low( +/*=====================*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ +{ + switch (mtype) { + case DATA_SYS: +#ifdef UNIV_DEBUG + switch (prtype & DATA_MYSQL_TYPE_MASK) { + case DATA_ROW_ID: + ut_ad(len == DATA_ROW_ID_LEN); + break; + case DATA_TRX_ID: + ut_ad(len == DATA_TRX_ID_LEN); + break; + case DATA_ROLL_PTR: + ut_ad(len == DATA_ROLL_PTR_LEN); + break; + default: + ut_ad(0); + return(0); + } +#endif /* UNIV_DEBUG */ + case DATA_CHAR: + case DATA_FIXBINARY: + case DATA_INT: + case DATA_FLOAT: + case DATA_DOUBLE: + return(len); + case DATA_MYSQL: +#ifndef UNIV_HOTBACKUP + if (prtype & DATA_BINARY_TYPE) { + return(len); + } else if (!comp) { + return(len); + } else { + /* We play it safe here and ask MySQL for + mbminlen and mbmaxlen. Although + mbminlen and mbmaxlen are + initialized if and only if prtype + is (in one of the 3 functions in this file), + it could be that none of these functions + has been called. */ + + ulint i_mbminlen, i_mbmaxlen; + + innobase_get_cset_width( + dtype_get_charset_coll(prtype), + &i_mbminlen, &i_mbmaxlen); + + if (UNIV_UNLIKELY(mbminlen != i_mbminlen) + || UNIV_UNLIKELY(mbmaxlen != i_mbmaxlen)) { + + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: " + "mbminlen=%lu, " + "mbmaxlen=%lu, " + "type->mbminlen=%lu, " + "type->mbmaxlen=%lu\n", + (ulong) i_mbminlen, + (ulong) i_mbmaxlen, + (ulong) mbminlen, + (ulong) mbmaxlen); + } + if (mbminlen == mbmaxlen) { + return(len); + } + } +#else /* !UNIV_HOTBACKUP */ + return(len); +#endif /* !UNIV_HOTBACKUP */ + /* fall through for variable-length charsets */ + case DATA_VARCHAR: + case DATA_BINARY: + case DATA_DECIMAL: + case DATA_VARMYSQL: + case DATA_BLOB: + return(0); + default: + ut_error; + } + + return(0); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Returns the minimum size of a data type. +@return minimum size */ +UNIV_INLINE +ulint +dtype_get_min_size_low( +/*===================*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint len, /*!< in: length */ + ulint mbminlen, /*!< in: minimum length of a multibyte char */ + ulint mbmaxlen) /*!< in: maximum length of a multibyte char */ +{ + switch (mtype) { + case DATA_SYS: +#ifdef UNIV_DEBUG + switch (prtype & DATA_MYSQL_TYPE_MASK) { + case DATA_ROW_ID: + ut_ad(len == DATA_ROW_ID_LEN); + break; + case DATA_TRX_ID: + ut_ad(len == DATA_TRX_ID_LEN); + break; + case DATA_ROLL_PTR: + ut_ad(len == DATA_ROLL_PTR_LEN); + break; + default: + ut_ad(0); + return(0); + } +#endif /* UNIV_DEBUG */ + case DATA_CHAR: + case DATA_FIXBINARY: + case DATA_INT: + case DATA_FLOAT: + case DATA_DOUBLE: + return(len); + case DATA_MYSQL: + if ((prtype & DATA_BINARY_TYPE) || mbminlen == mbmaxlen) { + return(len); + } + /* this is a variable-length character set */ + ut_a(mbminlen > 0); + ut_a(mbmaxlen > mbminlen); + ut_a(len % mbmaxlen == 0); + return(len * mbminlen / mbmaxlen); + case DATA_VARCHAR: + case DATA_BINARY: + case DATA_DECIMAL: + case DATA_VARMYSQL: + case DATA_BLOB: + return(0); + default: + ut_error; + } + + return(0); +} + +/***********************************************************************//** +Returns the maximum size of a data type. Note: types in system tables may be +incomplete and return incorrect information. +@return maximum size */ +UNIV_INLINE +ulint +dtype_get_max_size_low( +/*===================*/ + ulint mtype, /*!< in: main type */ + ulint len) /*!< in: length */ +{ + switch (mtype) { + case DATA_SYS: + case DATA_CHAR: + case DATA_FIXBINARY: + case DATA_INT: + case DATA_FLOAT: + case DATA_DOUBLE: + case DATA_MYSQL: + case DATA_VARCHAR: + case DATA_BINARY: + case DATA_DECIMAL: + case DATA_VARMYSQL: + return(len); + case DATA_BLOB: + break; + default: + ut_error; + } + + return(ULINT_MAX); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************************//** +Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ +UNIV_INLINE +ulint +dtype_get_sql_null_size( +/*====================*/ + const dtype_t* type, /*!< in: type */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ +{ +#ifndef UNIV_HOTBACKUP + return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, + type->mbminlen, type->mbmaxlen, comp)); +#else /* !UNIV_HOTBACKUP */ + return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, + 0, 0, 0)); +#endif /* !UNIV_HOTBACKUP */ +} diff --git a/perfschema/include/data0types.h b/perfschema/include/data0types.h new file mode 100644 index 00000000000..04e835bc401 --- /dev/null +++ b/perfschema/include/data0types.h @@ -0,0 +1,36 @@ +/***************************************************************************** + +Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/data0types.h +Some type definitions + +Created 9/21/2000 Heikki Tuuri +*************************************************************************/ + +#ifndef data0types_h +#define data0types_h + +/* SQL data field struct */ +typedef struct dfield_struct dfield_t; + +/* SQL data tuple struct */ +typedef struct dtuple_struct dtuple_t; + +#endif + diff --git a/perfschema/include/db0err.h b/perfschema/include/db0err.h new file mode 100644 index 00000000000..747e9b5364e --- /dev/null +++ b/perfschema/include/db0err.h @@ -0,0 +1,106 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/db0err.h +Global error codes for the database + +Created 5/24/1996 Heikki Tuuri +*******************************************************/ + +#ifndef db0err_h +#define db0err_h + + +enum db_err { + DB_SUCCESS = 10, + + /* The following are error codes */ + DB_ERROR, + DB_INTERRUPTED, + DB_OUT_OF_MEMORY, + DB_OUT_OF_FILE_SPACE, + DB_LOCK_WAIT, + DB_DEADLOCK, + DB_ROLLBACK, + DB_DUPLICATE_KEY, + DB_QUE_THR_SUSPENDED, + DB_MISSING_HISTORY, /* required history data has been + deleted due to lack of space in + rollback segment */ + DB_CLUSTER_NOT_FOUND = 30, + DB_TABLE_NOT_FOUND, + DB_MUST_GET_MORE_FILE_SPACE, /* the database has to be stopped + and restarted with more file space */ + DB_TABLE_IS_BEING_USED, + DB_TOO_BIG_RECORD, /* a record in an index would not fit + on a compressed page, or it would + become bigger than 1/2 free space in + an uncompressed page frame */ + DB_LOCK_WAIT_TIMEOUT, /* lock wait lasted too long */ + DB_NO_REFERENCED_ROW, /* referenced key value not found + for a foreign key in an insert or + update of a row */ + DB_ROW_IS_REFERENCED, /* cannot delete or update a row + because it contains a key value + which is referenced */ + DB_CANNOT_ADD_CONSTRAINT, /* adding a foreign key constraint + to a table failed */ + DB_CORRUPTION, /* data structure corruption noticed */ + DB_COL_APPEARS_TWICE_IN_INDEX, /* InnoDB cannot handle an index + where same column appears twice */ + DB_CANNOT_DROP_CONSTRAINT, /* dropping a foreign key constraint + from a table failed */ + DB_NO_SAVEPOINT, /* no savepoint exists with the given + name */ + DB_TABLESPACE_ALREADY_EXISTS, /* we cannot create a new single-table + tablespace because a file of the same + name already exists */ + DB_TABLESPACE_DELETED, /* tablespace does not exist or is + being dropped right now */ + DB_LOCK_TABLE_FULL, /* lock structs have exhausted the + buffer pool (for big transactions, + InnoDB stores the lock structs in the + buffer pool) */ + DB_FOREIGN_DUPLICATE_KEY, /* foreign key constraints + activated by the operation would + lead to a duplicate key in some + table */ + DB_TOO_MANY_CONCURRENT_TRXS, /* when InnoDB runs out of the + preconfigured undo slots, this can + only happen when there are too many + concurrent transactions */ + DB_UNSUPPORTED, /* when InnoDB sees any artefact or + a feature that it can't recoginize or + work with e.g., FT indexes created by + a later version of the engine. */ + + DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY + was found to be NULL */ + + /* The following are partial failure codes */ + DB_FAIL = 1000, + DB_OVERFLOW, + DB_UNDERFLOW, + DB_STRONG_FAIL, + DB_ZIP_OVERFLOW, + DB_RECORD_NOT_FOUND = 1500, + DB_END_OF_INDEX +}; + +#endif diff --git a/perfschema/include/dict0boot.h b/perfschema/include/dict0boot.h new file mode 100644 index 00000000000..e01fafe652d --- /dev/null +++ b/perfschema/include/dict0boot.h @@ -0,0 +1,151 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0boot.h +Data dictionary creation and booting + +Created 4/18/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0boot_h +#define dict0boot_h + +#include "univ.i" + +#include "mtr0mtr.h" +#include "mtr0log.h" +#include "ut0byte.h" +#include "buf0buf.h" +#include "fsp0fsp.h" +#include "dict0dict.h" + +typedef byte dict_hdr_t; + +/**********************************************************************//** +Gets a pointer to the dictionary header and x-latches its page. +@return pointer to the dictionary header, page x-latched */ +UNIV_INTERN +dict_hdr_t* +dict_hdr_get( +/*=========*/ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Returns a new row, table, index, or tree id. +@return the new id */ +UNIV_INTERN +dulint +dict_hdr_get_new_id( +/*================*/ + ulint type); /*!< in: DICT_HDR_ROW_ID, ... */ +/**********************************************************************//** +Returns a new row id. +@return the new id */ +UNIV_INLINE +dulint +dict_sys_get_new_row_id(void); +/*=========================*/ +/**********************************************************************//** +Reads a row id from a record or other 6-byte stored form. +@return row id */ +UNIV_INLINE +dulint +dict_sys_read_row_id( +/*=================*/ + byte* field); /*!< in: record field */ +/**********************************************************************//** +Writes a row id to a record or other 6-byte stored form. */ +UNIV_INLINE +void +dict_sys_write_row_id( +/*==================*/ + byte* field, /*!< in: record field */ + dulint row_id);/*!< in: row id */ +/*****************************************************************//** +Initializes the data dictionary memory structures when the database is +started. This function is also called when the data dictionary is created. */ +UNIV_INTERN +void +dict_boot(void); +/*===========*/ +/*****************************************************************//** +Creates and initializes the data dictionary at the database creation. */ +UNIV_INTERN +void +dict_create(void); +/*=============*/ + + +/* Space id and page no where the dictionary header resides */ +#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ +#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO + +/* The ids for the basic system tables and their indexes */ +#define DICT_TABLES_ID ut_dulint_create(0, 1) +#define DICT_COLUMNS_ID ut_dulint_create(0, 2) +#define DICT_INDEXES_ID ut_dulint_create(0, 3) +#define DICT_FIELDS_ID ut_dulint_create(0, 4) +/* The following is a secondary index on SYS_TABLES */ +#define DICT_TABLE_IDS_ID ut_dulint_create(0, 5) + +#define DICT_HDR_FIRST_ID 10 /* the ids for tables etc. start + from this number, except for basic + system tables and their above defined + indexes; ibuf tables and indexes are + assigned as the id the number + DICT_IBUF_ID_MIN plus the space id */ +#define DICT_IBUF_ID_MIN ut_dulint_create(0xFFFFFFFFUL, 0) + +/* The offset of the dictionary header on the page */ +#define DICT_HDR FSEG_PAGE_DATA + +/*-------------------------------------------------------------*/ +/* Dictionary header offsets */ +#define DICT_HDR_ROW_ID 0 /* The latest assigned row id */ +#define DICT_HDR_TABLE_ID 8 /* The latest assigned table id */ +#define DICT_HDR_INDEX_ID 16 /* The latest assigned index id */ +#define DICT_HDR_MIX_ID 24 /* Obsolete, always 0. */ +#define DICT_HDR_TABLES 32 /* Root of the table index tree */ +#define DICT_HDR_TABLE_IDS 36 /* Root of the table index tree */ +#define DICT_HDR_COLUMNS 40 /* Root of the column index tree */ +#define DICT_HDR_INDEXES 44 /* Root of the index index tree */ +#define DICT_HDR_FIELDS 48 /* Root of the index field + index tree */ + +#define DICT_HDR_FSEG_HEADER 56 /* Segment header for the tablespace + segment into which the dictionary + header is created */ +/*-------------------------------------------------------------*/ + +/* The field number of the page number field in the sys_indexes table +clustered index */ +#define DICT_SYS_INDEXES_PAGE_NO_FIELD 8 +#define DICT_SYS_INDEXES_SPACE_NO_FIELD 7 +#define DICT_SYS_INDEXES_TYPE_FIELD 6 +#define DICT_SYS_INDEXES_NAME_FIELD 3 + +/* When a row id which is zero modulo this number (which must be a power of +two) is assigned, the field DICT_HDR_ROW_ID on the dictionary header page is +updated */ +#define DICT_HDR_ROW_ID_WRITE_MARGIN 256 + +#ifndef UNIV_NONINL +#include "dict0boot.ic" +#endif + +#endif diff --git a/perfschema/include/dict0boot.ic b/perfschema/include/dict0boot.ic new file mode 100644 index 00000000000..d5f372e38c4 --- /dev/null +++ b/perfschema/include/dict0boot.ic @@ -0,0 +1,93 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0boot.ic +Data dictionary creation and booting + +Created 4/18/1996 Heikki Tuuri +*******************************************************/ + +/**********************************************************************//** +Writes the current value of the row id counter to the dictionary header file +page. */ +UNIV_INTERN +void +dict_hdr_flush_row_id(void); +/*=======================*/ + + +/**********************************************************************//** +Returns a new row id. +@return the new id */ +UNIV_INLINE +dulint +dict_sys_get_new_row_id(void) +/*=========================*/ +{ + dulint id; + + mutex_enter(&(dict_sys->mutex)); + + id = dict_sys->row_id; + + if (0 == (ut_dulint_get_low(id) % DICT_HDR_ROW_ID_WRITE_MARGIN)) { + + dict_hdr_flush_row_id(); + } + + UT_DULINT_INC(dict_sys->row_id); + + mutex_exit(&(dict_sys->mutex)); + + return(id); +} + +/**********************************************************************//** +Reads a row id from a record or other 6-byte stored form. +@return row id */ +UNIV_INLINE +dulint +dict_sys_read_row_id( +/*=================*/ + byte* field) /*!< in: record field */ +{ +#if DATA_ROW_ID_LEN != 6 +# error "DATA_ROW_ID_LEN != 6" +#endif + + return(mach_read_from_6(field)); +} + +/**********************************************************************//** +Writes a row id to a record or other 6-byte stored form. */ +UNIV_INLINE +void +dict_sys_write_row_id( +/*==================*/ + byte* field, /*!< in: record field */ + dulint row_id) /*!< in: row id */ +{ +#if DATA_ROW_ID_LEN != 6 +# error "DATA_ROW_ID_LEN != 6" +#endif + + mach_write_to_6(field, row_id); +} + + diff --git a/perfschema/include/dict0crea.h b/perfschema/include/dict0crea.h new file mode 100644 index 00000000000..cce1246b789 --- /dev/null +++ b/perfschema/include/dict0crea.h @@ -0,0 +1,197 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0crea.h +Database object creation + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0crea_h +#define dict0crea_h + +#include "univ.i" +#include "dict0types.h" +#include "dict0dict.h" +#include "que0types.h" +#include "row0types.h" +#include "mtr0mtr.h" + +/*********************************************************************//** +Creates a table create graph. +@return own: table create node */ +UNIV_INTERN +tab_node_t* +tab_create_graph_create( +/*====================*/ + dict_table_t* table, /*!< in: table to create, built as a memory data + structure */ + mem_heap_t* heap); /*!< in: heap where created */ +/*********************************************************************//** +Creates an index create graph. +@return own: index create node */ +UNIV_INTERN +ind_node_t* +ind_create_graph_create( +/*====================*/ + dict_index_t* index, /*!< in: index to create, built as a memory data + structure */ + mem_heap_t* heap); /*!< in: heap where created */ +/***********************************************************//** +Creates a table. This is a high-level function used in SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +dict_create_table_step( +/*===================*/ + que_thr_t* thr); /*!< in: query thread */ +/***********************************************************//** +Creates an index. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +dict_create_index_step( +/*===================*/ + que_thr_t* thr); /*!< in: query thread */ +/*******************************************************************//** +Truncates the index tree associated with a row in SYS_INDEXES table. +@return new root page number, or FIL_NULL on failure */ +UNIV_INTERN +ulint +dict_truncate_index_tree( +/*=====================*/ + dict_table_t* table, /*!< in: the table the index belongs to */ + ulint space, /*!< in: 0=truncate, + nonzero=create the index tree in the + given tablespace */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to + record in the clustered index of + SYS_INDEXES table. The cursor may be + repositioned in this call. */ + mtr_t* mtr); /*!< in: mtr having the latch + on the record page. The mtr may be + committed and restarted in this call. */ +/*******************************************************************//** +Drops the index tree associated with a row in SYS_INDEXES table. */ +UNIV_INTERN +void +dict_drop_index_tree( +/*=================*/ + rec_t* rec, /*!< in/out: record in the clustered index + of SYS_INDEXES table */ + mtr_t* mtr); /*!< in: mtr having the latch on the record page */ +/****************************************************************//** +Creates the foreign key constraints system tables inside InnoDB +at database creation or database start if they are not found or are +not of the right form. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_create_or_check_foreign_constraint_tables(void); +/*================================================*/ +/********************************************************************//** +Adds foreign key definitions to data dictionary tables in the database. We +look at table->foreign_list, and also generate names to constraints that were +not named by the user. A generated constraint has a name of the format +databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are +given locally for this table, that is, the number is not global, as in the +old format constraints < 4.0.18 it used to be. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +dict_create_add_foreigns_to_dictionary( +/*===================================*/ + ulint start_id,/*!< in: if we are actually doing ALTER TABLE + ADD CONSTRAINT, we want to generate constraint + numbers which are bigger than in the table so + far; we number the constraints from + start_id + 1 up; start_id should be set to 0 if + we are creating a new table, or if the table + so far has no constraints for which the name + was generated here */ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction */ + +/* Table create node structure */ + +struct tab_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_TABLE_CREATE */ + dict_table_t* table; /*!< table to create, built as a memory data + structure with dict_mem_... functions */ + ins_node_t* tab_def; /* child node which does the insert of + the table definition; the row to be inserted + is built by the parent node */ + ins_node_t* col_def; /* child node which does the inserts of + the column definitions; the row to be inserted + is built by the parent node */ + commit_node_t* commit_node; + /* child node which performs a commit after + a successful table creation */ + /*----------------------*/ + /* Local storage for this graph node */ + ulint state; /*!< node execution state */ + ulint col_no; /*!< next column definition to insert */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ +}; + +/* Table create node states */ +#define TABLE_BUILD_TABLE_DEF 1 +#define TABLE_BUILD_COL_DEF 2 +#define TABLE_COMMIT_WORK 3 +#define TABLE_ADD_TO_CACHE 4 +#define TABLE_COMPLETED 5 + +/* Index create node struct */ + +struct ind_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_INDEX_CREATE */ + dict_index_t* index; /*!< index to create, built as a memory data + structure with dict_mem_... functions */ + ins_node_t* ind_def; /* child node which does the insert of + the index definition; the row to be inserted + is built by the parent node */ + ins_node_t* field_def; /* child node which does the inserts of + the field definitions; the row to be inserted + is built by the parent node */ + commit_node_t* commit_node; + /* child node which performs a commit after + a successful index creation */ + /*----------------------*/ + /* Local storage for this graph node */ + ulint state; /*!< node execution state */ + ulint page_no;/* root page number of the index */ + dict_table_t* table; /*!< table which owns the index */ + dtuple_t* ind_row;/* index definition row built */ + ulint field_no;/* next field definition to insert */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ +}; + +/* Index create node states */ +#define INDEX_BUILD_INDEX_DEF 1 +#define INDEX_BUILD_FIELD_DEF 2 +#define INDEX_CREATE_INDEX_TREE 3 +#define INDEX_COMMIT_WORK 4 +#define INDEX_ADD_TO_CACHE 5 + +#ifndef UNIV_NONINL +#include "dict0crea.ic" +#endif + +#endif diff --git a/perfschema/include/dict0crea.ic b/perfschema/include/dict0crea.ic new file mode 100644 index 00000000000..c5365ce7489 --- /dev/null +++ b/perfschema/include/dict0crea.ic @@ -0,0 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0crea.ic +Database object creation + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + diff --git a/perfschema/include/dict0dict.h b/perfschema/include/dict0dict.h new file mode 100644 index 00000000000..12396556c2d --- /dev/null +++ b/perfschema/include/dict0dict.h @@ -0,0 +1,1165 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0dict.h +Data dictionary system + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0dict_h +#define dict0dict_h + +#include "univ.i" +#include "dict0types.h" +#include "dict0mem.h" +#include "data0type.h" +#include "data0data.h" +#include "mem0mem.h" +#include "rem0types.h" +#include "ut0mem.h" +#include "ut0lst.h" +#include "hash0hash.h" +#include "ut0rnd.h" +#include "ut0byte.h" +#include "trx0types.h" + +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +# include "sync0rw.h" +/******************************************************************//** +Makes all characters in a NUL-terminated UTF-8 string lower case. */ +UNIV_INTERN +void +dict_casedn_str( +/*============*/ + char* a); /*!< in/out: string to put in lower case */ +/********************************************************************//** +Get the database name length in a table name. +@return database name length */ +UNIV_INTERN +ulint +dict_get_db_name_len( +/*=================*/ + const char* name); /*!< in: table name in the form + dbname '/' tablename */ +/********************************************************************//** +Return the end of table name where we have removed dbname and '/'. +@return table name */ + +const char* +dict_remove_db_name( +/*================*/ + const char* name); /*!< in: table name in the form + dbname '/' tablename */ +/**********************************************************************//** +Returns a table object based on table id. +@return table, NULL if does not exist */ +UNIV_INTERN +dict_table_t* +dict_table_get_on_id( +/*=================*/ + dulint table_id, /*!< in: table id */ + trx_t* trx); /*!< in: transaction handle */ +/********************************************************************//** +Decrements the count of open MySQL handles to a table. */ +UNIV_INTERN +void +dict_table_decrement_handle_count( +/*==============================*/ + dict_table_t* table, /*!< in/out: table */ + ibool dict_locked); /*!< in: TRUE=data dictionary locked */ +/**********************************************************************//** +Inits the data dictionary module. */ +UNIV_INTERN +void +dict_init(void); +/*===========*/ +/********************************************************************//** +Gets the space id of every table of the data dictionary and makes a linear +list and a hash table of them to the data dictionary cache. This function +can be called at database startup if we did not need to do a crash recovery. +In crash recovery we must scan the space id's from the .ibd files in MySQL +database directories. */ +UNIV_INTERN +void +dict_load_space_id_list(void); +/*=========================*/ +/*********************************************************************//** +Gets the column data type. */ +UNIV_INLINE +void +dict_col_copy_type( +/*===============*/ + const dict_col_t* col, /*!< in: column */ + dtype_t* type); /*!< out: data type */ +#endif /* !UNIV_HOTBACKUP */ +#ifdef UNIV_DEBUG +/*********************************************************************//** +Assert that a column and a data type match. +@return TRUE */ +UNIV_INLINE +ibool +dict_col_type_assert_equal( +/*=======================*/ + const dict_col_t* col, /*!< in: column */ + const dtype_t* type); /*!< in: data type */ +#endif /* UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Returns the minimum size of the column. +@return minimum size */ +UNIV_INLINE +ulint +dict_col_get_min_size( +/*==================*/ + const dict_col_t* col); /*!< in: column */ +/***********************************************************************//** +Returns the maximum size of the column. +@return maximum size */ +UNIV_INLINE +ulint +dict_col_get_max_size( +/*==================*/ + const dict_col_t* col); /*!< in: column */ +/***********************************************************************//** +Returns the size of a fixed size column, 0 if not a fixed size column. +@return fixed size, or 0 */ +UNIV_INLINE +ulint +dict_col_get_fixed_size( +/*====================*/ + const dict_col_t* col, /*!< in: column */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ +/***********************************************************************//** +Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ +UNIV_INLINE +ulint +dict_col_get_sql_null_size( +/*=======================*/ + const dict_col_t* col, /*!< in: column */ + ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ + +/*********************************************************************//** +Gets the column number. +@return col->ind, table column position (starting from 0) */ +UNIV_INLINE +ulint +dict_col_get_no( +/*============*/ + const dict_col_t* col); /*!< in: column */ +/*********************************************************************//** +Gets the column position in the clustered index. */ +UNIV_INLINE +ulint +dict_col_get_clust_pos( +/*===================*/ + const dict_col_t* col, /*!< in: table column */ + const dict_index_t* clust_index); /*!< in: clustered index */ +/****************************************************************//** +If the given column name is reserved for InnoDB system columns, return +TRUE. +@return TRUE if name is reserved */ +UNIV_INTERN +ibool +dict_col_name_is_reserved( +/*======================*/ + const char* name); /*!< in: column name */ +/********************************************************************//** +Acquire the autoinc lock. */ +UNIV_INTERN +void +dict_table_autoinc_lock( +/*====================*/ + dict_table_t* table); /*!< in/out: table */ +/********************************************************************//** +Unconditionally set the autoinc counter. */ +UNIV_INTERN +void +dict_table_autoinc_initialize( +/*==========================*/ + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value); /*!< in: next value to assign to a row */ +/********************************************************************//** +Reads the next autoinc value (== autoinc counter value), 0 if not yet +initialized. +@return value for a new row, or 0 */ +UNIV_INTERN +ib_uint64_t +dict_table_autoinc_read( +/*====================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Updates the autoinc counter if the value supplied is greater than the +current value. */ +UNIV_INTERN +void +dict_table_autoinc_update_if_greater( +/*=================================*/ + + dict_table_t* table, /*!< in/out: table */ + ib_uint64_t value); /*!< in: value which was assigned to a row */ +/********************************************************************//** +Release the autoinc lock. */ +UNIV_INTERN +void +dict_table_autoinc_unlock( +/*======================*/ + dict_table_t* table); /*!< in/out: table */ +#endif /* !UNIV_HOTBACKUP */ +/**********************************************************************//** +Adds system columns to a table object. */ +UNIV_INTERN +void +dict_table_add_system_columns( +/*==========================*/ + dict_table_t* table, /*!< in/out: table */ + mem_heap_t* heap); /*!< in: temporary heap */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Adds a table object to the dictionary cache. */ +UNIV_INTERN +void +dict_table_add_to_cache( +/*====================*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap); /*!< in: temporary heap */ +/**********************************************************************//** +Removes a table object from the dictionary cache. */ +UNIV_INTERN +void +dict_table_remove_from_cache( +/*=========================*/ + dict_table_t* table); /*!< in, own: table */ +/**********************************************************************//** +Renames a table object. +@return TRUE if success */ +UNIV_INTERN +ibool +dict_table_rename_in_cache( +/*=======================*/ + dict_table_t* table, /*!< in/out: table */ + const char* new_name, /*!< in: new name */ + ibool rename_also_foreigns);/*!< in: in ALTER TABLE we want + to preserve the original table name + in constraints which reference it */ +/**********************************************************************//** +Removes an index from the dictionary cache. */ +UNIV_INTERN +void +dict_index_remove_from_cache( +/*=========================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ +/**********************************************************************//** +Change the id of a table object in the dictionary cache. This is used in +DISCARD TABLESPACE. */ +UNIV_INTERN +void +dict_table_change_id_in_cache( +/*==========================*/ + dict_table_t* table, /*!< in/out: table object already in cache */ + dulint new_id);/*!< in: new id to set */ +/**********************************************************************//** +Adds a foreign key constraint object to the dictionary cache. May free +the object if there already is an object with the same identifier in. +At least one of foreign table or referenced table must already be in +the dictionary cache! +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_foreign_add_to_cache( +/*======================*/ + dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ + ibool check_charsets);/*!< in: TRUE=check charset + compatibility */ +/*********************************************************************//** +Check if the index is referenced by a foreign key, if TRUE return the +matching instance NULL otherwise. +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ +UNIV_INTERN +dict_foreign_t* +dict_table_get_referenced_constraint( +/*=================================*/ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index); /*!< in: InnoDB index */ +/*********************************************************************//** +Checks if a table is referenced by foreign keys. +@return TRUE if table is referenced by a foreign key */ +UNIV_INTERN +ibool +dict_table_is_referenced_by_foreign_key( +/*====================================*/ + const dict_table_t* table); /*!< in: InnoDB table */ +/**********************************************************************//** +Replace the index in the foreign key list that matches this index's +definition with an equivalent index. */ +UNIV_INTERN +void +dict_table_replace_index_in_foreign_list( +/*=====================================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in: index to be replaced */ +/*********************************************************************//** +Checks if a index is defined for a foreign key constraint. Index is a part +of a foreign key constraint if the index is referenced by foreign key +or index is a foreign key index +@return pointer to foreign key struct if index is defined for foreign +key, otherwise NULL */ +UNIV_INTERN +dict_foreign_t* +dict_table_get_foreign_constraint( +/*==============================*/ + dict_table_t* table, /*!< in: InnoDB table */ + dict_index_t* index); /*!< in: InnoDB index */ +/*********************************************************************//** +Scans a table create SQL string and adds to the data dictionary +the foreign key constraints declared in the string. This function +should be called after the indexes for a table have been created. +Each foreign key constraint must be accompanied with indexes in +bot participating tables. The indexes are allowed to contain more +fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +dict_create_foreign_constraints( +/*============================*/ + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where + foreign keys are declared like: + FOREIGN KEY (a, b) REFERENCES + table2(c, d), table2 can be written + also with the database + name before it: test.table2; the + default database id the database of + parameter name */ + const char* name, /*!< in: table full name in the + normalized form + database_name/table_name */ + ibool reject_fks); /*!< in: if TRUE, fail with error + code DB_CANNOT_ADD_CONSTRAINT if + any foreign keys are found. */ +/**********************************************************************//** +Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. +@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the +constraint id does not match */ +UNIV_INTERN +ulint +dict_foreign_parse_drop_constraints( +/*================================*/ + mem_heap_t* heap, /*!< in: heap from which we can + allocate memory */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + ulint* n, /*!< out: number of constraints + to drop */ + const char*** constraints_to_drop); /*!< out: id's of the + constraints to drop */ +/**********************************************************************//** +Returns a table object and optionally increment its MySQL open handle count. +NOTE! This is a high-level function to be used mainly from outside the +'dict' directory. Inside this directory dict_table_get_low is usually the +appropriate function. +@return table, NULL if does not exist */ +UNIV_INTERN +dict_table_t* +dict_table_get( +/*===========*/ + const char* table_name, /*!< in: table name */ + ibool inc_mysql_count); + /*!< in: whether to increment the open + handle count on the table */ +/**********************************************************************//** +Returns a index object, based on table and index id, and memoryfixes it. +@return index, NULL if does not exist */ +UNIV_INTERN +dict_index_t* +dict_index_get_on_id_low( +/*=====================*/ + dict_table_t* table, /*!< in: table */ + dulint index_id); /*!< in: index id */ +/**********************************************************************//** +Checks if a table is in the dictionary cache. +@return table, NULL if not found */ + +UNIV_INLINE +dict_table_t* +dict_table_check_if_in_cache_low( +/*=============================*/ + const char* table_name); /*!< in: table name */ +/**********************************************************************//** +Gets a table; loads it to the dictionary cache if necessary. A low-level +function. +@return table, NULL if not found */ +UNIV_INLINE +dict_table_t* +dict_table_get_low( +/*===============*/ + const char* table_name); /*!< in: table name */ +/**********************************************************************//** +Returns a table object based on table id. +@return table, NULL if does not exist */ +UNIV_INLINE +dict_table_t* +dict_table_get_on_id_low( +/*=====================*/ + dulint table_id); /*!< in: table id */ +/**********************************************************************//** +Find an index that is equivalent to the one passed in and is not marked +for deletion. +@return index equivalent to foreign->foreign_index, or NULL */ +UNIV_INTERN +dict_index_t* +dict_foreign_find_equiv_index( +/*==========================*/ + dict_foreign_t* foreign);/*!< in: foreign key */ +/**********************************************************************//** +Returns an index object by matching on the name and column names and +if more than one index matches return the index with the max id +@return matching index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_by_max_id( +/*===========================*/ + dict_table_t* table, /*!< in: table */ + const char* name, /*!< in: the index name to find */ + const char** columns,/*!< in: array of column names */ + ulint n_cols);/*!< in: number of columns */ +/**********************************************************************//** +Returns a column's name. +@return column name. NOTE: not guaranteed to stay valid if table is +modified in any way (columns added, etc.). */ +UNIV_INTERN +const char* +dict_table_get_col_name( +/*====================*/ + const dict_table_t* table, /*!< in: table */ + ulint col_nr);/*!< in: column number */ + +/**********************************************************************//** +Prints a table definition. */ +UNIV_INTERN +void +dict_table_print( +/*=============*/ + dict_table_t* table); /*!< in: table */ +/**********************************************************************//** +Prints a table data. */ +UNIV_INTERN +void +dict_table_print_low( +/*=================*/ + dict_table_t* table); /*!< in: table */ +/**********************************************************************//** +Prints a table data when we know the table name. */ +UNIV_INTERN +void +dict_table_print_by_name( +/*=====================*/ + const char* name); /*!< in: table name */ +/**********************************************************************//** +Outputs info on foreign keys of a table. */ +UNIV_INTERN +void +dict_print_info_on_foreign_keys( +/*============================*/ + ibool create_table_format, /*!< in: if TRUE then print in + a format suitable to be inserted into + a CREATE TABLE, otherwise in the format + of SHOW TABLE STATUS */ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table); /*!< in: table */ +/**********************************************************************//** +Outputs info on a foreign key of a table in a format suitable for +CREATE TABLE. */ +UNIV_INTERN +void +dict_print_info_on_foreign_key_in_create_format( +/*============================================*/ + FILE* file, /*!< in: file where to print */ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + ibool add_newline); /*!< in: whether to add a newline */ +/********************************************************************//** +Displays the names of the index and the table. */ +UNIV_INTERN +void +dict_index_name_print( +/*==================*/ + FILE* file, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index); /*!< in: index to print */ +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the first index on the table (the clustered index). +@return index, NULL if none exists */ +UNIV_INLINE +dict_index_t* +dict_table_get_first_index( +/*=======================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Gets the next index on the table. +@return index, NULL if none left */ +UNIV_INLINE +dict_index_t* +dict_table_get_next_index( +/*======================*/ + const dict_index_t* index); /*!< in: index */ +#else /* UNIV_DEBUG */ +# define dict_table_get_first_index(table) UT_LIST_GET_FIRST((table)->indexes) +# define dict_table_get_next_index(index) UT_LIST_GET_NEXT(indexes, index) +#endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Check whether the index is the clustered index. +@return nonzero for clustered index, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_clust( +/*================*/ + const dict_index_t* index) /*!< in: index */ + __attribute__((pure)); +/********************************************************************//** +Check whether the index is unique. +@return nonzero for unique index, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_unique( +/*=================*/ + const dict_index_t* index) /*!< in: index */ + __attribute__((pure)); +/********************************************************************//** +Check whether the index is the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_ibuf( +/*===============*/ + const dict_index_t* index) /*!< in: index */ + __attribute__((pure)); +/********************************************************************//** +Check whether the index is a secondary index or the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_sec_or_ibuf( +/*======================*/ + const dict_index_t* index) /*!< in: index */ + __attribute__((pure)); + +/********************************************************************//** +Gets the number of user-defined columns in a table in the dictionary +cache. +@return number of user-defined (e.g., not ROW_ID) columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_user_cols( +/*=======================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Gets the number of system columns in a table in the dictionary cache. +@return number of system (e.g., ROW_ID) columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_sys_cols( +/*======================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Gets the number of all columns (also system) in a table in the dictionary +cache. +@return number of columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_cols( +/*==================*/ + const dict_table_t* table); /*!< in: table */ +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the nth column of a table. +@return pointer to column object */ +UNIV_INLINE +dict_col_t* +dict_table_get_nth_col( +/*===================*/ + const dict_table_t* table, /*!< in: table */ + ulint pos); /*!< in: position of column */ +/********************************************************************//** +Gets the given system column of a table. +@return pointer to column object */ +UNIV_INLINE +dict_col_t* +dict_table_get_sys_col( +/*===================*/ + const dict_table_t* table, /*!< in: table */ + ulint sys); /*!< in: DATA_ROW_ID, ... */ +#else /* UNIV_DEBUG */ +#define dict_table_get_nth_col(table, pos) \ +((table)->cols + (pos)) +#define dict_table_get_sys_col(table, sys) \ +((table)->cols + (table)->n_cols + (sys) - DATA_N_SYS_COLS) +#endif /* UNIV_DEBUG */ +/********************************************************************//** +Gets the given system column number of a table. +@return column number */ +UNIV_INLINE +ulint +dict_table_get_sys_col_no( +/*======================*/ + const dict_table_t* table, /*!< in: table */ + ulint sys); /*!< in: DATA_ROW_ID, ... */ +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Returns the minimum data size of an index record. +@return minimum data size in bytes */ +UNIV_INLINE +ulint +dict_index_get_min_size( +/*====================*/ + const dict_index_t* index); /*!< in: index */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Check whether the table uses the compact page format. +@return TRUE if table uses the compact page format */ +UNIV_INLINE +ibool +dict_table_is_comp( +/*===============*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Determine the file format of a table. +@return file format version */ +UNIV_INLINE +ulint +dict_table_get_format( +/*==================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Set the file format of a table. */ +UNIV_INLINE +void +dict_table_set_format( +/*==================*/ + dict_table_t* table, /*!< in/out: table */ + ulint format);/*!< in: file format version */ +/********************************************************************//** +Extract the compressed page size from table flags. +@return compressed page size, or 0 if not compressed */ +UNIV_INLINE +ulint +dict_table_flags_to_zip_size( +/*=========================*/ + ulint flags) /*!< in: flags */ + __attribute__((const)); +/********************************************************************//** +Check whether the table uses the compressed compact page format. +@return compressed page size, or 0 if not compressed */ +UNIV_INLINE +ulint +dict_table_zip_size( +/*================*/ + const dict_table_t* table); /*!< in: table */ +/********************************************************************//** +Checks if a column is in the ordering columns of the clustered index of a +table. Column prefixes are treated like whole columns. +@return TRUE if the column, or its prefix, is in the clustered key */ +UNIV_INTERN +ibool +dict_table_col_in_clustered_key( +/*============================*/ + const dict_table_t* table, /*!< in: table */ + ulint n); /*!< in: column number */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Copies types of columns contained in table to tuple and sets all +fields of the tuple to the SQL NULL value. This function should +be called right after dtuple_create(). */ +UNIV_INTERN +void +dict_table_copy_types( +/*==================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_table_t* table); /*!< in: table */ +/**********************************************************************//** +Looks for an index with the given id. NOTE that we do not reserve +the dictionary mutex: this function is for emergency purposes like +printing info of a corrupt database page! +@return index or NULL if not found from cache */ +UNIV_INTERN +dict_index_t* +dict_index_find_on_id_low( +/*======================*/ + dulint id); /*!< in: index id */ +/**********************************************************************//** +Adds an index to the dictionary cache. +@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ +UNIV_INTERN +ulint +dict_index_add_to_cache( +/*====================*/ + dict_table_t* table, /*!< in: table on which the index is */ + dict_index_t* index, /*!< in, own: index; NOTE! The index memory + object is freed in this function! */ + ulint page_no,/*!< in: root page number of the index */ + ibool strict);/*!< in: TRUE=refuse to create the index + if records could be too big to fit in + an B-tree page */ +/**********************************************************************//** +Removes an index from the dictionary cache. */ +UNIV_INTERN +void +dict_index_remove_from_cache( +/*=========================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Gets the number of fields in the internal representation of an index, +including fields added by the dictionary system. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_fields( +/*====================*/ + const dict_index_t* index); /*!< in: an internal + representation of index (in + the dictionary cache) */ +/********************************************************************//** +Gets the number of fields in the internal representation of an index +that uniquely determine the position of an index entry in the index, if +we do not take multiversioning into account: in the B-tree use the value +returned by dict_index_get_n_unique_in_tree. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_unique( +/*====================*/ + const dict_index_t* index); /*!< in: an internal representation + of index (in the dictionary cache) */ +/********************************************************************//** +Gets the number of fields in the internal representation of an index +which uniquely determine the position of an index entry in the index, if +we also take multiversioning into account. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_unique_in_tree( +/*============================*/ + const dict_index_t* index); /*!< in: an internal representation + of index (in the dictionary cache) */ +/********************************************************************//** +Gets the number of user-defined ordering fields in the index. In the internal +representation we add the row id to the ordering fields to make all indexes +unique, but this function returns the number of fields the user defined +in the index as ordering fields. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_ordering_defined_by_user( +/*======================================*/ + const dict_index_t* index); /*!< in: an internal representation + of index (in the dictionary cache) */ +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the nth field of an index. +@return pointer to field object */ +UNIV_INLINE +dict_field_t* +dict_index_get_nth_field( +/*=====================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of field */ +#else /* UNIV_DEBUG */ +# define dict_index_get_nth_field(index, pos) ((index)->fields + (pos)) +#endif /* UNIV_DEBUG */ +/********************************************************************//** +Gets pointer to the nth column in an index. +@return column */ +UNIV_INLINE +const dict_col_t* +dict_index_get_nth_col( +/*===================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of the field */ +/********************************************************************//** +Gets the column number of the nth field in an index. +@return column number */ +UNIV_INLINE +ulint +dict_index_get_nth_col_no( +/*======================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos); /*!< in: position of the field */ +/********************************************************************//** +Looks for column n in an index. +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ +UNIV_INTERN +ulint +dict_index_get_nth_col_pos( +/*=======================*/ + const dict_index_t* index, /*!< in: index */ + ulint n); /*!< in: column number */ +/********************************************************************//** +Returns TRUE if the index contains a column or a prefix of that column. +@return TRUE if contains the column or its prefix */ +UNIV_INTERN +ibool +dict_index_contains_col_or_prefix( +/*==============================*/ + const dict_index_t* index, /*!< in: index */ + ulint n); /*!< in: column number */ +/********************************************************************//** +Looks for a matching field in an index. The column has to be the same. The +column in index must be complete, or must contain a prefix longer than the +column in index2. That is, we must be able to construct the prefix in index2 +from the prefix in index. +@return position in internal representation of the index; +ULINT_UNDEFINED if not contained */ +UNIV_INTERN +ulint +dict_index_get_nth_field_pos( +/*=========================*/ + const dict_index_t* index, /*!< in: index from which to search */ + const dict_index_t* index2, /*!< in: index */ + ulint n); /*!< in: field number in index2 */ +/********************************************************************//** +Looks for column n position in the clustered index. +@return position in internal representation of the clustered index */ +UNIV_INTERN +ulint +dict_table_get_nth_col_pos( +/*=======================*/ + const dict_table_t* table, /*!< in: table */ + ulint n); /*!< in: column number */ +/********************************************************************//** +Returns the position of a system column in an index. +@return position, ULINT_UNDEFINED if not contained */ +UNIV_INLINE +ulint +dict_index_get_sys_col_pos( +/*=======================*/ + const dict_index_t* index, /*!< in: index */ + ulint type); /*!< in: DATA_ROW_ID, ... */ +/*******************************************************************//** +Adds a column to index. */ +UNIV_INTERN +void +dict_index_add_col( +/*===============*/ + dict_index_t* index, /*!< in/out: index */ + const dict_table_t* table, /*!< in: table */ + dict_col_t* col, /*!< in: column */ + ulint prefix_len); /*!< in: column prefix length */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Copies types of fields contained in index to tuple. */ +UNIV_INTERN +void +dict_index_copy_types( +/*==================*/ + dtuple_t* tuple, /*!< in/out: data tuple */ + const dict_index_t* index, /*!< in: index */ + ulint n_fields); /*!< in: number of + field types to copy */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Gets the field column. +@return field->col, pointer to the table column */ +UNIV_INLINE +const dict_col_t* +dict_field_get_col( +/*===============*/ + const dict_field_t* field); /*!< in: index field */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Returns an index object if it is found in the dictionary cache. +Assumes that dict_sys->mutex is already being held. +@return index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_index_get_if_in_cache_low( +/*===========================*/ + dulint index_id); /*!< in: index id */ +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG +/**********************************************************************//** +Returns an index object if it is found in the dictionary cache. +@return index, NULL if not found */ +UNIV_INTERN +dict_index_t* +dict_index_get_if_in_cache( +/*=======================*/ + dulint index_id); /*!< in: index id */ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ +#ifdef UNIV_DEBUG +/**********************************************************************//** +Checks that a tuple has n_fields_cmp value in a sensible range, so that +no comparison can occur with the page number field in a node pointer. +@return TRUE if ok */ +UNIV_INTERN +ibool +dict_index_check_search_tuple( +/*==========================*/ + const dict_index_t* index, /*!< in: index tree */ + const dtuple_t* tuple); /*!< in: tuple used in a search */ +/**********************************************************************//** +Check for duplicate index entries in a table [using the index name] */ +UNIV_INTERN +void +dict_table_check_for_dup_indexes( +/*=============================*/ + const dict_table_t* table); /*!< in: Check for dup indexes + in this table */ + +#endif /* UNIV_DEBUG */ +/**********************************************************************//** +Builds a node pointer out of a physical record and a page number. +@return own: node pointer */ +UNIV_INTERN +dtuple_t* +dict_index_build_node_ptr( +/*======================*/ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to build node + pointer */ + ulint page_no,/*!< in: page number to put in node + pointer */ + mem_heap_t* heap, /*!< in: memory heap where pointer + created */ + ulint level); /*!< in: level of rec in tree: + 0 means leaf level */ +/**********************************************************************//** +Copies an initial segment of a physical record, long enough to specify an +index entry uniquely. +@return pointer to the prefix record */ +UNIV_INTERN +rec_t* +dict_index_copy_rec_order_prefix( +/*=============================*/ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record for which to + copy prefix */ + ulint* n_fields,/*!< out: number of fields copied */ + byte** buf, /*!< in/out: memory buffer for the + copied prefix, or NULL */ + ulint* buf_size);/*!< in/out: buffer size */ +/**********************************************************************//** +Builds a typed data tuple out of a physical record. +@return own: data tuple */ +UNIV_INTERN +dtuple_t* +dict_index_build_data_tuple( +/*========================*/ + dict_index_t* index, /*!< in: index */ + rec_t* rec, /*!< in: record for which to build data tuple */ + ulint n_fields,/*!< in: number of data fields */ + mem_heap_t* heap); /*!< in: memory heap where tuple created */ +/*********************************************************************//** +Gets the space id of the root of the index tree. +@return space id */ +UNIV_INLINE +ulint +dict_index_get_space( +/*=================*/ + const dict_index_t* index); /*!< in: index */ +/*********************************************************************//** +Sets the space id of the root of the index tree. */ +UNIV_INLINE +void +dict_index_set_space( +/*=================*/ + dict_index_t* index, /*!< in/out: index */ + ulint space); /*!< in: space id */ +/*********************************************************************//** +Gets the page number of the root of the index tree. +@return page number */ +UNIV_INLINE +ulint +dict_index_get_page( +/*================*/ + const dict_index_t* tree); /*!< in: index */ +/*********************************************************************//** +Sets the page number of the root of index tree. */ +UNIV_INLINE +void +dict_index_set_page( +/*================*/ + dict_index_t* index, /*!< in/out: index */ + ulint page); /*!< in: page number */ +/*********************************************************************//** +Gets the read-write lock of the index tree. +@return read-write lock */ +UNIV_INLINE +rw_lock_t* +dict_index_get_lock( +/*================*/ + dict_index_t* index); /*!< in: index */ +/********************************************************************//** +Returns free space reserved for future updates of records. This is +relevant only in the case of many consecutive inserts, as updates +which make the records bigger might fragment the index. +@return number of free bytes on page, reserved for updates */ +UNIV_INLINE +ulint +dict_index_get_space_reserve(void); +/*==============================*/ +/*********************************************************************//** +Calculates the minimum record length in an index. */ +UNIV_INTERN +ulint +dict_index_calc_min_rec_len( +/*========================*/ + const dict_index_t* index); /*!< in: index */ +/*********************************************************************//** +Calculates new estimates for table and index statistics. The statistics +are used in query optimization. */ +UNIV_INTERN +void +dict_update_statistics_low( +/*=======================*/ + dict_table_t* table, /*!< in/out: table */ + ibool has_dict_mutex);/*!< in: TRUE if the caller has the + dictionary mutex */ +/*********************************************************************//** +Calculates new estimates for table and index statistics. The statistics +are used in query optimization. */ +UNIV_INTERN +void +dict_update_statistics( +/*===================*/ + dict_table_t* table); /*!< in/out: table */ +/********************************************************************//** +Reserves the dictionary system mutex for MySQL. */ +UNIV_INTERN +void +dict_mutex_enter_for_mysql(void); +/*============================*/ +/********************************************************************//** +Releases the dictionary system mutex for MySQL. */ +UNIV_INTERN +void +dict_mutex_exit_for_mysql(void); +/*===========================*/ +/********************************************************************//** +Checks if the database name in two table names is the same. +@return TRUE if same db name */ +UNIV_INTERN +ibool +dict_tables_have_same_db( +/*=====================*/ + const char* name1, /*!< in: table name in the form + dbname '/' tablename */ + const char* name2); /*!< in: table name in the form + dbname '/' tablename */ +/*********************************************************************//** +Removes an index from the cache */ +UNIV_INTERN +void +dict_index_remove_from_cache( +/*=========================*/ + dict_table_t* table, /*!< in/out: table */ + dict_index_t* index); /*!< in, own: index */ +/**********************************************************************//** +Get index by name +@return index, NULL if does not exist */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_on_name( +/*=========================*/ + dict_table_t* table, /*!< in: table */ + const char* name); /*!< in: name of the index to find */ +/**********************************************************************//** +In case there is more than one index with the same name return the index +with the min(id). +@return index, NULL if does not exist */ +UNIV_INTERN +dict_index_t* +dict_table_get_index_on_name_and_min_id( +/*====================================*/ + dict_table_t* table, /*!< in: table */ + const char* name); /*!< in: name of the index to find */ +/* Buffers for storing detailed information about the latest foreign key +and unique key errors */ +extern FILE* dict_foreign_err_file; +extern mutex_t dict_foreign_err_mutex; /* mutex protecting the buffers */ + +/** the dictionary system */ +extern dict_sys_t* dict_sys; +/** the data dictionary rw-latch protecting dict_sys */ +extern rw_lock_t dict_operation_lock; + +/* Dictionary system struct */ +struct dict_sys_struct{ + mutex_t mutex; /*!< mutex protecting the data + dictionary; protects also the + disk-based dictionary system tables; + this mutex serializes CREATE TABLE + and DROP TABLE, as well as reading + the dictionary data for a table from + system tables */ + dulint row_id; /*!< the next row id to assign; + NOTE that at a checkpoint this + must be written to the dict system + header and flushed to a file; in + recovery this must be derived from + the log records */ + hash_table_t* table_hash; /*!< hash table of the tables, based + on name */ + hash_table_t* table_id_hash; /*!< hash table of the tables, based + on id */ + UT_LIST_BASE_NODE_T(dict_table_t) + table_LRU; /*!< LRU list of tables */ + ulint size; /*!< varying space in bytes occupied + by the data dictionary table and + index objects */ + dict_table_t* sys_tables; /*!< SYS_TABLES table */ + dict_table_t* sys_columns; /*!< SYS_COLUMNS table */ + dict_table_t* sys_indexes; /*!< SYS_INDEXES table */ + dict_table_t* sys_fields; /*!< SYS_FIELDS table */ +}; +#endif /* !UNIV_HOTBACKUP */ + +/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ +extern dict_index_t* dict_ind_redundant; +/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ +extern dict_index_t* dict_ind_compact; + +/**********************************************************************//** +Inits dict_ind_redundant and dict_ind_compact. */ +UNIV_INTERN +void +dict_ind_init(void); +/*===============*/ + +/**********************************************************************//** +Closes the data dictionary module. */ +UNIV_INTERN +void +dict_close(void); +/*============*/ + +#ifndef UNIV_NONINL +#include "dict0dict.ic" +#endif + +#endif diff --git a/perfschema/include/dict0dict.ic b/perfschema/include/dict0dict.ic new file mode 100644 index 00000000000..46e78df8272 --- /dev/null +++ b/perfschema/include/dict0dict.ic @@ -0,0 +1,806 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/dict0dict.ic +Data dictionary system + +Created 1/8/1996 Heikki Tuuri +***********************************************************************/ + +#include "data0type.h" +#ifndef UNIV_HOTBACKUP +#include "dict0load.h" +#include "rem0types.h" + +/*********************************************************************//** +Gets the column data type. */ +UNIV_INLINE +void +dict_col_copy_type( +/*===============*/ + const dict_col_t* col, /*!< in: column */ + dtype_t* type) /*!< out: data type */ +{ + ut_ad(col && type); + + type->mtype = col->mtype; + type->prtype = col->prtype; + type->len = col->len; + type->mbminlen = col->mbminlen; + type->mbmaxlen = col->mbmaxlen; +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Assert that a column and a data type match. +@return TRUE */ +UNIV_INLINE +ibool +dict_col_type_assert_equal( +/*=======================*/ + const dict_col_t* col, /*!< in: column */ + const dtype_t* type) /*!< in: data type */ +{ + ut_ad(col); + ut_ad(type); + + ut_ad(col->mtype == type->mtype); + ut_ad(col->prtype == type->prtype); + ut_ad(col->len == type->len); +# ifndef UNIV_HOTBACKUP + ut_ad(col->mbminlen == type->mbminlen); + ut_ad(col->mbmaxlen == type->mbmaxlen); +# endif /* !UNIV_HOTBACKUP */ + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Returns the minimum size of the column. +@return minimum size */ +UNIV_INLINE +ulint +dict_col_get_min_size( +/*==================*/ + const dict_col_t* col) /*!< in: column */ +{ + return(dtype_get_min_size_low(col->mtype, col->prtype, col->len, + col->mbminlen, col->mbmaxlen)); +} +/***********************************************************************//** +Returns the maximum size of the column. +@return maximum size */ +UNIV_INLINE +ulint +dict_col_get_max_size( +/*==================*/ + const dict_col_t* col) /*!< in: column */ +{ + return(dtype_get_max_size_low(col->mtype, col->len)); +} +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************************//** +Returns the size of a fixed size column, 0 if not a fixed size column. +@return fixed size, or 0 */ +UNIV_INLINE +ulint +dict_col_get_fixed_size( +/*====================*/ + const dict_col_t* col, /*!< in: column */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ +{ + return(dtype_get_fixed_size_low(col->mtype, col->prtype, col->len, + col->mbminlen, col->mbmaxlen, comp)); +} +/***********************************************************************//** +Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. +For fixed length types it is the fixed length of the type, otherwise 0. +@return SQL null storage size in ROW_FORMAT=REDUNDANT */ +UNIV_INLINE +ulint +dict_col_get_sql_null_size( +/*=======================*/ + const dict_col_t* col, /*!< in: column */ + ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ +{ + return(dict_col_get_fixed_size(col, comp)); +} + +/*********************************************************************//** +Gets the column number. +@return col->ind, table column position (starting from 0) */ +UNIV_INLINE +ulint +dict_col_get_no( +/*============*/ + const dict_col_t* col) /*!< in: column */ +{ + ut_ad(col); + + return(col->ind); +} + +/*********************************************************************//** +Gets the column position in the clustered index. */ +UNIV_INLINE +ulint +dict_col_get_clust_pos( +/*===================*/ + const dict_col_t* col, /*!< in: table column */ + const dict_index_t* clust_index) /*!< in: clustered index */ +{ + ulint i; + + ut_ad(col); + ut_ad(clust_index); + ut_ad(dict_index_is_clust(clust_index)); + + for (i = 0; i < clust_index->n_def; i++) { + const dict_field_t* field = &clust_index->fields[i]; + + if (!field->prefix_len && field->col == col) { + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +#ifndef UNIV_HOTBACKUP +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the first index on the table (the clustered index). +@return index, NULL if none exists */ +UNIV_INLINE +dict_index_t* +dict_table_get_first_index( +/*=======================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + return(UT_LIST_GET_FIRST(((dict_table_t*) table)->indexes)); +} + +/********************************************************************//** +Gets the next index on the table. +@return index, NULL if none left */ +UNIV_INLINE +dict_index_t* +dict_table_get_next_index( +/*======================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(UT_LIST_GET_NEXT(indexes, (dict_index_t*) index)); +} +#endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Check whether the index is the clustered index. +@return nonzero for clustered index, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_clust( +/*================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(UNIV_UNLIKELY(index->type & DICT_CLUSTERED)); +} +/********************************************************************//** +Check whether the index is unique. +@return nonzero for unique index, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_unique( +/*=================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(UNIV_UNLIKELY(index->type & DICT_UNIQUE)); +} + +/********************************************************************//** +Check whether the index is the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_ibuf( +/*===============*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(UNIV_UNLIKELY(index->type & DICT_IBUF)); +} + +/********************************************************************//** +Check whether the index is a secondary index or the insert buffer tree. +@return nonzero for insert buffer, zero for other indexes */ +UNIV_INLINE +ulint +dict_index_is_sec_or_ibuf( +/*======================*/ + const dict_index_t* index) /*!< in: index */ +{ + ulint type; + + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + type = index->type; + + return(UNIV_LIKELY(!(type & DICT_CLUSTERED) || (type & DICT_IBUF))); +} + +/********************************************************************//** +Gets the number of user-defined columns in a table in the dictionary +cache. +@return number of user-defined (e.g., not ROW_ID) columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_user_cols( +/*=======================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + return(table->n_cols - DATA_N_SYS_COLS); +} + +/********************************************************************//** +Gets the number of system columns in a table in the dictionary cache. +@return number of system (e.g., ROW_ID) columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_sys_cols( +/*======================*/ + const dict_table_t* table __attribute__((unused))) /*!< in: table */ +{ + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + ut_ad(table->cached); + + return(DATA_N_SYS_COLS); +} + +/********************************************************************//** +Gets the number of all columns (also system) in a table in the dictionary +cache. +@return number of columns of a table */ +UNIV_INLINE +ulint +dict_table_get_n_cols( +/*==================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + return(table->n_cols); +} + +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the nth column of a table. +@return pointer to column object */ +UNIV_INLINE +dict_col_t* +dict_table_get_nth_col( +/*===================*/ + const dict_table_t* table, /*!< in: table */ + ulint pos) /*!< in: position of column */ +{ + ut_ad(table); + ut_ad(pos < table->n_def); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + return((dict_col_t*) (table->cols) + pos); +} + +/********************************************************************//** +Gets the given system column of a table. +@return pointer to column object */ +UNIV_INLINE +dict_col_t* +dict_table_get_sys_col( +/*===================*/ + const dict_table_t* table, /*!< in: table */ + ulint sys) /*!< in: DATA_ROW_ID, ... */ +{ + dict_col_t* col; + + ut_ad(table); + ut_ad(sys < DATA_N_SYS_COLS); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + col = dict_table_get_nth_col(table, table->n_cols + - DATA_N_SYS_COLS + sys); + ut_ad(col->mtype == DATA_SYS); + ut_ad(col->prtype == (sys | DATA_NOT_NULL)); + + return(col); +} +#endif /* UNIV_DEBUG */ + +/********************************************************************//** +Gets the given system column number of a table. +@return column number */ +UNIV_INLINE +ulint +dict_table_get_sys_col_no( +/*======================*/ + const dict_table_t* table, /*!< in: table */ + ulint sys) /*!< in: DATA_ROW_ID, ... */ +{ + ut_ad(table); + ut_ad(sys < DATA_N_SYS_COLS); + ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); + + return(table->n_cols - DATA_N_SYS_COLS + sys); +} + +/********************************************************************//** +Check whether the table uses the compact page format. +@return TRUE if table uses the compact page format */ +UNIV_INLINE +ibool +dict_table_is_comp( +/*===============*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + +#if DICT_TF_COMPACT != TRUE +#error +#endif + + return(UNIV_LIKELY(table->flags & DICT_TF_COMPACT)); +} + +/********************************************************************//** +Determine the file format of a table. +@return file format version */ +UNIV_INLINE +ulint +dict_table_get_format( +/*==================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + + return((table->flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT); +} + +/********************************************************************//** +Determine the file format of a table. */ +UNIV_INLINE +void +dict_table_set_format( +/*==================*/ + dict_table_t* table, /*!< in/out: table */ + ulint format) /*!< in: file format version */ +{ + ut_ad(table); + + table->flags = (table->flags & ~DICT_TF_FORMAT_MASK) + | (format << DICT_TF_FORMAT_SHIFT); +} + +/********************************************************************//** +Extract the compressed page size from table flags. +@return compressed page size, or 0 if not compressed */ +UNIV_INLINE +ulint +dict_table_flags_to_zip_size( +/*=========================*/ + ulint flags) /*!< in: flags */ +{ + ulint zip_size = flags & DICT_TF_ZSSIZE_MASK; + + if (UNIV_UNLIKELY(zip_size)) { + zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) + << (zip_size >> DICT_TF_ZSSIZE_SHIFT)); + + ut_ad(zip_size <= UNIV_PAGE_SIZE); + } + + return(zip_size); +} + +/********************************************************************//** +Check whether the table uses the compressed compact page format. +@return compressed page size, or 0 if not compressed */ +UNIV_INLINE +ulint +dict_table_zip_size( +/*================*/ + const dict_table_t* table) /*!< in: table */ +{ + ut_ad(table); + + return(dict_table_flags_to_zip_size(table->flags)); +} + +/********************************************************************//** +Gets the number of fields in the internal representation of an index, +including fields added by the dictionary system. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_fields( +/*====================*/ + const dict_index_t* index) /*!< in: an internal + representation of index (in + the dictionary cache) */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(index->n_fields); +} + +/********************************************************************//** +Gets the number of fields in the internal representation of an index +that uniquely determine the position of an index entry in the index, if +we do not take multiversioning into account: in the B-tree use the value +returned by dict_index_get_n_unique_in_tree. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_unique( +/*====================*/ + const dict_index_t* index) /*!< in: an internal representation + of index (in the dictionary cache) */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(index->cached); + + return(index->n_uniq); +} + +/********************************************************************//** +Gets the number of fields in the internal representation of an index +which uniquely determine the position of an index entry in the index, if +we also take multiversioning into account. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_unique_in_tree( +/*============================*/ + const dict_index_t* index) /*!< in: an internal representation + of index (in the dictionary cache) */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(index->cached); + + if (dict_index_is_clust(index)) { + + return(dict_index_get_n_unique(index)); + } + + return(dict_index_get_n_fields(index)); +} + +/********************************************************************//** +Gets the number of user-defined ordering fields in the index. In the internal +representation of clustered indexes we add the row id to the ordering fields +to make a clustered index unique, but this function returns the number of +fields the user defined in the index as ordering fields. +@return number of fields */ +UNIV_INLINE +ulint +dict_index_get_n_ordering_defined_by_user( +/*======================================*/ + const dict_index_t* index) /*!< in: an internal representation + of index (in the dictionary cache) */ +{ + return(index->n_user_defined_cols); +} + +#ifdef UNIV_DEBUG +/********************************************************************//** +Gets the nth field of an index. +@return pointer to field object */ +UNIV_INLINE +dict_field_t* +dict_index_get_nth_field( +/*=====================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of field */ +{ + ut_ad(index); + ut_ad(pos < index->n_def); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return((dict_field_t*) (index->fields) + pos); +} +#endif /* UNIV_DEBUG */ + +/********************************************************************//** +Returns the position of a system column in an index. +@return position, ULINT_UNDEFINED if not contained */ +UNIV_INLINE +ulint +dict_index_get_sys_col_pos( +/*=======================*/ + const dict_index_t* index, /*!< in: index */ + ulint type) /*!< in: DATA_ROW_ID, ... */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(!(index->type & DICT_UNIVERSAL)); + + if (dict_index_is_clust(index)) { + + return(dict_col_get_clust_pos( + dict_table_get_sys_col(index->table, type), + index)); + } + + return(dict_index_get_nth_col_pos( + index, dict_table_get_sys_col_no(index->table, type))); +} + +/*********************************************************************//** +Gets the field column. +@return field->col, pointer to the table column */ +UNIV_INLINE +const dict_col_t* +dict_field_get_col( +/*===============*/ + const dict_field_t* field) /*!< in: index field */ +{ + ut_ad(field); + + return(field->col); +} + +/********************************************************************//** +Gets pointer to the nth column in an index. +@return column */ +UNIV_INLINE +const dict_col_t* +dict_index_get_nth_col( +/*===================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of the field */ +{ + return(dict_field_get_col(dict_index_get_nth_field(index, pos))); +} + +/********************************************************************//** +Gets the column number the nth field in an index. +@return column number */ +UNIV_INLINE +ulint +dict_index_get_nth_col_no( +/*======================*/ + const dict_index_t* index, /*!< in: index */ + ulint pos) /*!< in: position of the field */ +{ + return(dict_col_get_no(dict_index_get_nth_col(index, pos))); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Returns the minimum data size of an index record. +@return minimum data size in bytes */ +UNIV_INLINE +ulint +dict_index_get_min_size( +/*====================*/ + const dict_index_t* index) /*!< in: index */ +{ + ulint n = dict_index_get_n_fields(index); + ulint size = 0; + + while (n--) { + size += dict_col_get_min_size(dict_index_get_nth_col(index, + n)); + } + + return(size); +} + +/*********************************************************************//** +Gets the space id of the root of the index tree. +@return space id */ +UNIV_INLINE +ulint +dict_index_get_space( +/*=================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(index->space); +} + +/*********************************************************************//** +Sets the space id of the root of the index tree. */ +UNIV_INLINE +void +dict_index_set_space( +/*=================*/ + dict_index_t* index, /*!< in/out: index */ + ulint space) /*!< in: space id */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + index->space = space; +} + +/*********************************************************************//** +Gets the page number of the root of the index tree. +@return page number */ +UNIV_INLINE +ulint +dict_index_get_page( +/*================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(index->page); +} + +/*********************************************************************//** +Sets the page number of the root of index tree. */ +UNIV_INLINE +void +dict_index_set_page( +/*================*/ + dict_index_t* index, /*!< in/out: index */ + ulint page) /*!< in: page number */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + index->page = page; +} + +/*********************************************************************//** +Gets the read-write lock of the index tree. +@return read-write lock */ +UNIV_INLINE +rw_lock_t* +dict_index_get_lock( +/*================*/ + dict_index_t* index) /*!< in: index */ +{ + ut_ad(index); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + + return(&(index->lock)); +} + +/********************************************************************//** +Returns free space reserved for future updates of records. This is +relevant only in the case of many consecutive inserts, as updates +which make the records bigger might fragment the index. +@return number of free bytes on page, reserved for updates */ +UNIV_INLINE +ulint +dict_index_get_space_reserve(void) +/*==============================*/ +{ + return(UNIV_PAGE_SIZE / 16); +} + +/**********************************************************************//** +Checks if a table is in the dictionary cache. +@return table, NULL if not found */ +UNIV_INLINE +dict_table_t* +dict_table_check_if_in_cache_low( +/*=============================*/ + const char* table_name) /*!< in: table name */ +{ + dict_table_t* table; + ulint table_fold; + + ut_ad(table_name); + ut_ad(mutex_own(&(dict_sys->mutex))); + + /* Look for the table name in the hash table */ + table_fold = ut_fold_string(table_name); + + HASH_SEARCH(name_hash, dict_sys->table_hash, table_fold, + dict_table_t*, table, ut_ad(table->cached), + !strcmp(table->name, table_name)); + return(table); +} + +/**********************************************************************//** +Gets a table; loads it to the dictionary cache if necessary. A low-level +function. +@return table, NULL if not found */ +UNIV_INLINE +dict_table_t* +dict_table_get_low( +/*===============*/ + const char* table_name) /*!< in: table name */ +{ + dict_table_t* table; + + ut_ad(table_name); + ut_ad(mutex_own(&(dict_sys->mutex))); + + table = dict_table_check_if_in_cache_low(table_name); + + if (table == NULL) { + table = dict_load_table(table_name); + } + + ut_ad(!table || table->cached); + + return(table); +} + +/**********************************************************************//** +Returns a table object based on table id. +@return table, NULL if does not exist */ +UNIV_INLINE +dict_table_t* +dict_table_get_on_id_low( +/*=====================*/ + dulint table_id) /*!< in: table id */ +{ + dict_table_t* table; + ulint fold; + + ut_ad(mutex_own(&(dict_sys->mutex))); + + /* Look for the table name in the hash table */ + fold = ut_fold_dulint(table_id); + + HASH_SEARCH(id_hash, dict_sys->table_id_hash, fold, + dict_table_t*, table, ut_ad(table->cached), + !ut_dulint_cmp(table->id, table_id)); + if (table == NULL) { + table = dict_load_table_on_id(table_id); + } + + ut_ad(!table || table->cached); + + /* TODO: should get the type information from MySQL */ + + return(table); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/dict0load.h b/perfschema/include/dict0load.h new file mode 100644 index 00000000000..60b8c1fb632 --- /dev/null +++ b/perfschema/include/dict0load.h @@ -0,0 +1,115 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0load.h +Loads to the memory cache database object definitions +from dictionary tables + +Created 4/24/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0load_h +#define dict0load_h + +#include "univ.i" +#include "dict0types.h" +#include "ut0byte.h" +#include "mem0mem.h" + +/********************************************************************//** +In a crash recovery we already have all the tablespace objects created. +This function compares the space id information in the InnoDB data dictionary +to what we already read with fil_load_single_table_tablespaces(). + +In a normal startup, we create the tablespace objects for every table in +InnoDB's data dictionary, if the corresponding .ibd file exists. +We also scan the biggest space id, and store it to fil_system. */ +UNIV_INTERN +void +dict_check_tablespaces_and_store_max_id( +/*====================================*/ + ibool in_crash_recovery); /*!< in: are we doing a crash recovery */ +/********************************************************************//** +Finds the first table name in the given database. +@return own: table name, NULL if does not exist; the caller must free +the memory in the string! */ +UNIV_INTERN +char* +dict_get_first_table_name_in_db( +/*============================*/ + const char* name); /*!< in: database name which ends to '/' */ +/********************************************************************//** +Loads a table definition and also all its index definitions, and also +the cluster definition if the table is a member in a cluster. Also loads +all foreign key constraints where the foreign key is in the table or where +a foreign key references columns in this table. +@return table, NULL if does not exist; if the table is stored in an +.ibd file, but the file does not exist, then we set the +ibd_file_missing flag TRUE in the table object we return */ +UNIV_INTERN +dict_table_t* +dict_load_table( +/*============*/ + const char* name); /*!< in: table name in the + databasename/tablename format */ +/***********************************************************************//** +Loads a table object based on the table id. +@return table; NULL if table does not exist */ +UNIV_INTERN +dict_table_t* +dict_load_table_on_id( +/*==================*/ + dulint table_id); /*!< in: table id */ +/********************************************************************//** +This function is called when the database is booted. +Loads system table index definitions except for the clustered index which +is added to the dictionary cache at booting before calling this function. */ +UNIV_INTERN +void +dict_load_sys_table( +/*================*/ + dict_table_t* table); /*!< in: system table */ +/***********************************************************************//** +Loads foreign key constraints where the table is either the foreign key +holder or where the table is referenced by a foreign key. Adds these +constraints to the data dictionary. Note that we know that the dictionary +cache already contains all constraints where the other relevant table is +already in the dictionary cache. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +dict_load_foreigns( +/*===============*/ + const char* table_name, /*!< in: table name */ + ibool check_charsets);/*!< in: TRUE=check charsets + compatibility */ +/********************************************************************//** +Prints to the standard output information on all tables found in the data +dictionary system table. */ +UNIV_INTERN +void +dict_print(void); +/*============*/ + + +#ifndef UNIV_NONINL +#include "dict0load.ic" +#endif + +#endif diff --git a/perfschema/include/dict0load.ic b/perfschema/include/dict0load.ic new file mode 100644 index 00000000000..ccc16db165b --- /dev/null +++ b/perfschema/include/dict0load.ic @@ -0,0 +1,26 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0load.ic +Loads to the memory cache database object definitions +from dictionary tables + +Created 4/24/1996 Heikki Tuuri +*******************************************************/ + diff --git a/perfschema/include/dict0mem.h b/perfschema/include/dict0mem.h new file mode 100644 index 00000000000..9996fb59a75 --- /dev/null +++ b/perfschema/include/dict0mem.h @@ -0,0 +1,555 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0mem.h +Data dictionary memory object creation + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0mem_h +#define dict0mem_h + +#include "univ.i" +#include "dict0types.h" +#include "data0type.h" +#include "mem0mem.h" +#include "rem0types.h" +#include "btr0types.h" +#ifndef UNIV_HOTBACKUP +# include "lock0types.h" +# include "que0types.h" +# include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ +#include "ut0mem.h" +#include "ut0lst.h" +#include "ut0rnd.h" +#include "ut0byte.h" +#include "hash0hash.h" +#include "trx0types.h" + +/** Type flags of an index: OR'ing of the flags is allowed to define a +combination of types */ +/* @{ */ +#define DICT_CLUSTERED 1 /*!< clustered index */ +#define DICT_UNIQUE 2 /*!< unique index */ +#define DICT_UNIVERSAL 4 /*!< index which can contain records from any + other index */ +#define DICT_IBUF 8 /*!< insert buffer tree */ +/* @} */ + +/** Types for a table object */ +#define DICT_TABLE_ORDINARY 1 /*!< ordinary table */ +#if 0 /* not implemented */ +#define DICT_TABLE_CLUSTER_MEMBER 2 +#define DICT_TABLE_CLUSTER 3 /* this means that the table is + really a cluster definition */ +#endif + +/** Table flags. All unused bits must be 0. */ +/* @{ */ +#define DICT_TF_COMPACT 1 /* Compact page format. + This must be set for + new file formats + (later than + DICT_TF_FORMAT_51). */ + +/** Compressed page size (0=uncompressed, up to 15 compressed sizes) */ +/* @{ */ +#define DICT_TF_ZSSIZE_SHIFT 1 +#define DICT_TF_ZSSIZE_MASK (15 << DICT_TF_ZSSIZE_SHIFT) +#define DICT_TF_ZSSIZE_MAX (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 1) +/* @} */ + +/** File format */ +/* @{ */ +#define DICT_TF_FORMAT_SHIFT 5 /* file format */ +#define DICT_TF_FORMAT_MASK \ +((~(~0 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT) +#define DICT_TF_FORMAT_51 0 /*!< InnoDB/MySQL up to 5.1 */ +#define DICT_TF_FORMAT_ZIP 1 /*!< InnoDB plugin for 5.1: + compressed tables, + new BLOB treatment */ +/** Maximum supported file format */ +#define DICT_TF_FORMAT_MAX DICT_TF_FORMAT_ZIP +/* @} */ +#define DICT_TF_BITS 6 /*!< number of flag bits */ +#if (1 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT)) <= DICT_TF_FORMAT_MAX +# error "DICT_TF_BITS is insufficient for DICT_TF_FORMAT_MAX" +#endif +/* @} */ + +/** @brief Additional table flags. + +These flags will be stored in SYS_TABLES.MIX_LEN. All unused flags +will be written as 0. The column may contain garbage for tables +created with old versions of InnoDB that only implemented +ROW_FORMAT=REDUNDANT. */ +/* @{ */ +#define DICT_TF2_SHIFT DICT_TF_BITS + /*!< Shift value for + table->flags. */ +#define DICT_TF2_TEMPORARY 1 /*!< TRUE for tables from + CREATE TEMPORARY TABLE. */ +#define DICT_TF2_BITS (DICT_TF2_SHIFT + 1) + /*!< Total number of bits + in table->flags. */ +/* @} */ + + +/**********************************************************************//** +Creates a table memory object. +@return own: table object */ +UNIV_INTERN +dict_table_t* +dict_mem_table_create( +/*==================*/ + const char* name, /*!< in: table name */ + ulint space, /*!< in: space where the clustered index + of the table is placed; this parameter + is ignored if the table is made + a member of a cluster */ + ulint n_cols, /*!< in: number of columns */ + ulint flags); /*!< in: table flags */ +/****************************************************************//** +Free a table memory object. */ +UNIV_INTERN +void +dict_mem_table_free( +/*================*/ + dict_table_t* table); /*!< in: table */ +/**********************************************************************//** +Adds a column definition to a table. */ +UNIV_INTERN +void +dict_mem_table_add_col( +/*===================*/ + dict_table_t* table, /*!< in: table */ + mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ + const char* name, /*!< in: column name, or NULL */ + ulint mtype, /*!< in: main datatype */ + ulint prtype, /*!< in: precise type */ + ulint len); /*!< in: precision */ +/**********************************************************************//** +Creates an index memory object. +@return own: index object */ +UNIV_INTERN +dict_index_t* +dict_mem_index_create( +/*==================*/ + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is + placed, ignored if the index is of + the clustered type */ + ulint type, /*!< in: DICT_UNIQUE, + DICT_CLUSTERED, ... ORed */ + ulint n_fields); /*!< in: number of fields */ +/**********************************************************************//** +Adds a field definition to an index. NOTE: does not take a copy +of the column name if the field is a column. The memory occupied +by the column name may be released only after publishing the index. */ +UNIV_INTERN +void +dict_mem_index_add_field( +/*=====================*/ + dict_index_t* index, /*!< in: index */ + const char* name, /*!< in: column name */ + ulint prefix_len); /*!< in: 0 or the column prefix length + in a MySQL index like + INDEX (textcol(25)) */ +/**********************************************************************//** +Frees an index memory object. */ +UNIV_INTERN +void +dict_mem_index_free( +/*================*/ + dict_index_t* index); /*!< in: index */ +/**********************************************************************//** +Creates and initializes a foreign constraint memory object. +@return own: foreign constraint struct */ +UNIV_INTERN +dict_foreign_t* +dict_mem_foreign_create(void); +/*=========================*/ + +/** Data structure for a column in a table */ +struct dict_col_struct{ + /*----------------------*/ + /** The following are copied from dtype_t, + so that all bit-fields can be packed tightly. */ + /* @{ */ + unsigned mtype:8; /*!< main data type */ + unsigned prtype:24; /*!< precise type; MySQL data + type, charset code, flags to + indicate nullability, + signedness, whether this is a + binary string, whether this is + a true VARCHAR where MySQL + uses 2 bytes to store the length */ + + /* the remaining fields do not affect alphabetical ordering: */ + + unsigned len:16; /*!< length; for MySQL data this + is field->pack_length(), + except that for a >= 5.0.3 + type true VARCHAR this is the + maximum byte length of the + string data (in addition to + the string, MySQL uses 1 or 2 + bytes to store the string length) */ + + unsigned mbminlen:2; /*!< minimum length of a + character, in bytes */ + unsigned mbmaxlen:3; /*!< maximum length of a + character, in bytes */ + /*----------------------*/ + /* End of definitions copied from dtype_t */ + /* @} */ + + unsigned ind:10; /*!< table column position + (starting from 0) */ + unsigned ord_part:1; /*!< nonzero if this column + appears in the ordering fields + of an index */ +}; + +/** @brief DICT_MAX_INDEX_COL_LEN is measured in bytes and is the maximum +indexed column length (or indexed prefix length). + +It is set to 3*256, so that one can create a column prefix index on +256 characters of a TEXT or VARCHAR column also in the UTF-8 +charset. In that charset, a character may take at most 3 bytes. This +constant MUST NOT BE CHANGED, or the compatibility of InnoDB data +files would be at risk! */ +#define DICT_MAX_INDEX_COL_LEN REC_MAX_INDEX_COL_LEN + +/** Data structure for a field in an index */ +struct dict_field_struct{ + dict_col_t* col; /*!< pointer to the table column */ + const char* name; /*!< name of the column */ + unsigned prefix_len:10; /*!< 0 or the length of the column + prefix in bytes in a MySQL index of + type, e.g., INDEX (textcol(25)); + must be smaller than + DICT_MAX_INDEX_COL_LEN; NOTE that + in the UTF-8 charset, MySQL sets this + to 3 * the prefix len in UTF-8 chars */ + unsigned fixed_len:10; /*!< 0 or the fixed length of the + column if smaller than + DICT_MAX_INDEX_COL_LEN */ +}; + +/** Data structure for an index. Most fields will be +initialized to 0, NULL or FALSE in dict_mem_index_create(). */ +struct dict_index_struct{ + dulint id; /*!< id of the index */ + mem_heap_t* heap; /*!< memory heap */ + const char* name; /*!< index name */ + const char* table_name;/*!< table name */ + dict_table_t* table; /*!< back pointer to table */ +#ifndef UNIV_HOTBACKUP + unsigned space:32; + /*!< space where the index tree is placed */ + unsigned page:32;/*!< index tree root page number */ +#endif /* !UNIV_HOTBACKUP */ + unsigned type:4; /*!< index type (DICT_CLUSTERED, DICT_UNIQUE, + DICT_UNIVERSAL, DICT_IBUF) */ + unsigned trx_id_offset:10;/*!< position of the trx id column + in a clustered index record, if the fields + before it are known to be of a fixed size, + 0 otherwise */ + unsigned n_user_defined_cols:10; + /*!< number of columns the user defined to + be in the index: in the internal + representation we add more columns */ + unsigned n_uniq:10;/*!< number of fields from the beginning + which are enough to determine an index + entry uniquely */ + unsigned n_def:10;/*!< number of fields defined so far */ + unsigned n_fields:10;/*!< number of fields in the index */ + unsigned n_nullable:10;/*!< number of nullable fields */ + unsigned cached:1;/*!< TRUE if the index object is in the + dictionary cache */ + unsigned to_be_dropped:1; + /*!< TRUE if this index is marked to be + dropped in ha_innobase::prepare_drop_index(), + otherwise FALSE */ + dict_field_t* fields; /*!< array of field descriptions */ +#ifndef UNIV_HOTBACKUP + UT_LIST_NODE_T(dict_index_t) + indexes;/*!< list of indexes of the table */ + btr_search_t* search_info; /*!< info used in optimistic searches */ + /*----------------------*/ + /** Statistics for query optimization */ + /* @{ */ + ib_int64_t* stat_n_diff_key_vals; + /*!< approximate number of different + key values for this index, for each + n-column prefix where n <= + dict_get_n_unique(index); we + periodically calculate new + estimates */ + ulint stat_index_size; + /*!< approximate index size in + database pages */ + ulint stat_n_leaf_pages; + /*!< approximate number of leaf pages in the + index tree */ + /* @} */ + rw_lock_t lock; /*!< read-write lock protecting the + upper levels of the index tree */ + ib_uint64_t trx_id; /*!< id of the transaction that created this + index, or 0 if the index existed + when InnoDB was started up */ +#endif /* !UNIV_HOTBACKUP */ +#ifdef UNIV_DEBUG + ulint magic_n;/*!< magic number */ +/** Value of dict_index_struct::magic_n */ +# define DICT_INDEX_MAGIC_N 76789786 +#endif +}; + +/** Data structure for a foreign key constraint; an example: +FOREIGN KEY (A, B) REFERENCES TABLE2 (C, D). Most fields will be +initialized to 0, NULL or FALSE in dict_mem_foreign_create(). */ +struct dict_foreign_struct{ + mem_heap_t* heap; /*!< this object is allocated from + this memory heap */ + char* id; /*!< id of the constraint as a + null-terminated string */ + unsigned n_fields:10; /*!< number of indexes' first fields + for which the foreign key + constraint is defined: we allow the + indexes to contain more fields than + mentioned in the constraint, as long + as the first fields are as mentioned */ + unsigned type:6; /*!< 0 or DICT_FOREIGN_ON_DELETE_CASCADE + or DICT_FOREIGN_ON_DELETE_SET_NULL */ + char* foreign_table_name;/*!< foreign table name */ + dict_table_t* foreign_table; /*!< table where the foreign key is */ + const char** foreign_col_names;/*!< names of the columns in the + foreign key */ + char* referenced_table_name;/*!< referenced table name */ + dict_table_t* referenced_table;/*!< table where the referenced key + is */ + const char** referenced_col_names;/*!< names of the referenced + columns in the referenced table */ + dict_index_t* foreign_index; /*!< foreign index; we require that + both tables contain explicitly defined + indexes for the constraint: InnoDB + does not generate new indexes + implicitly */ + dict_index_t* referenced_index;/*!< referenced index */ + UT_LIST_NODE_T(dict_foreign_t) + foreign_list; /*!< list node for foreign keys of the + table */ + UT_LIST_NODE_T(dict_foreign_t) + referenced_list;/*!< list node for referenced + keys of the table */ +}; + +/** The flags for ON_UPDATE and ON_DELETE can be ORed; the default is that +a foreign key constraint is enforced, therefore RESTRICT just means no flag */ +/* @{ */ +#define DICT_FOREIGN_ON_DELETE_CASCADE 1 /*!< ON DELETE CASCADE */ +#define DICT_FOREIGN_ON_DELETE_SET_NULL 2 /*!< ON UPDATE SET NULL */ +#define DICT_FOREIGN_ON_UPDATE_CASCADE 4 /*!< ON DELETE CASCADE */ +#define DICT_FOREIGN_ON_UPDATE_SET_NULL 8 /*!< ON UPDATE SET NULL */ +#define DICT_FOREIGN_ON_DELETE_NO_ACTION 16 /*!< ON DELETE NO ACTION */ +#define DICT_FOREIGN_ON_UPDATE_NO_ACTION 32 /*!< ON UPDATE NO ACTION */ +/* @} */ + + +/** Data structure for a database table. Most fields will be +initialized to 0, NULL or FALSE in dict_mem_table_create(). */ +struct dict_table_struct{ + dulint id; /*!< id of the table */ + mem_heap_t* heap; /*!< memory heap */ + const char* name; /*!< table name */ + const char* dir_path_of_temp_table;/*!< NULL or the directory path + where a TEMPORARY table that was explicitly + created by a user should be placed if + innodb_file_per_table is defined in my.cnf; + in Unix this is usually /tmp/..., in Windows + temp\... */ + unsigned space:32; + /*!< space where the clustered index of the + table is placed */ + unsigned flags:DICT_TF2_BITS;/*!< DICT_TF_COMPACT, ... */ + unsigned ibd_file_missing:1; + /*!< TRUE if this is in a single-table + tablespace and the .ibd file is missing; then + we must return in ha_innodb.cc an error if the + user tries to query such an orphaned table */ + unsigned tablespace_discarded:1; + /*!< this flag is set TRUE when the user + calls DISCARD TABLESPACE on this + table, and reset to FALSE in IMPORT + TABLESPACE */ + unsigned cached:1;/*!< TRUE if the table object has been added + to the dictionary cache */ + unsigned n_def:10;/*!< number of columns defined so far */ + unsigned n_cols:10;/*!< number of columns */ + dict_col_t* cols; /*!< array of column descriptions */ + const char* col_names; + /*!< Column names packed in a character string + "name1\0name2\0...nameN\0". Until + the string contains n_cols, it will be + allocated from a temporary heap. The final + string will be allocated from table->heap. */ +#ifndef UNIV_HOTBACKUP + hash_node_t name_hash; /*!< hash chain node */ + hash_node_t id_hash; /*!< hash chain node */ + UT_LIST_BASE_NODE_T(dict_index_t) + indexes; /*!< list of indexes of the table */ + UT_LIST_BASE_NODE_T(dict_foreign_t) + foreign_list;/*!< list of foreign key constraints + in the table; these refer to columns + in other tables */ + UT_LIST_BASE_NODE_T(dict_foreign_t) + referenced_list;/*!< list of foreign key constraints + which refer to this table */ + UT_LIST_NODE_T(dict_table_t) + table_LRU; /*!< node of the LRU list of tables */ + ulint n_mysql_handles_opened; + /*!< count of how many handles MySQL has opened + to this table; dropping of the table is + NOT allowed until this count gets to zero; + MySQL does NOT itself check the number of + open handles at drop */ + ulint n_foreign_key_checks_running; + /*!< count of how many foreign key check + operations are currently being performed + on the table: we cannot drop the table while + there are foreign key checks running on + it! */ + trx_id_t query_cache_inv_trx_id; + /*!< transactions whose trx id is + smaller than this number are not + allowed to store to the MySQL query + cache or retrieve from it; when a trx + with undo logs commits, it sets this + to the value of the trx id counter for + the tables it had an IX lock on */ + UT_LIST_BASE_NODE_T(lock_t) + locks; /*!< list of locks on the table */ +#ifdef UNIV_DEBUG + /*----------------------*/ + ibool does_not_fit_in_memory; + /*!< this field is used to specify in + simulations tables which are so big + that disk should be accessed: disk + access is simulated by putting the + thread to sleep for a while; NOTE that + this flag is not stored to the data + dictionary on disk, and the database + will forget about value TRUE if it has + to reload the table definition from + disk */ +#endif /* UNIV_DEBUG */ + /*----------------------*/ + unsigned big_rows:1; + /*!< flag: TRUE if the maximum length of + a single row exceeds BIG_ROW_SIZE; + initialized in dict_table_add_to_cache() */ + /** Statistics for query optimization */ + /* @{ */ + unsigned stat_initialized:1; /*!< TRUE if statistics have + been calculated the first time + after database startup or table creation */ + ib_int64_t stat_n_rows; + /*!< approximate number of rows in the table; + we periodically calculate new estimates */ + ulint stat_clustered_index_size; + /*!< approximate clustered index size in + database pages */ + ulint stat_sum_of_other_index_sizes; + /*!< other indexes in database pages */ + ulint stat_modified_counter; + /*!< when a row is inserted, updated, + or deleted, + we add 1 to this number; we calculate new + estimates for the stat_... values for the + table and the indexes at an interval of 2 GB + or when about 1 / 16 of table has been + modified; also when the estimate operation is + called for MySQL SHOW TABLE STATUS; the + counter is reset to zero at statistics + calculation; this counter is not protected by + any latch, because this is only used for + heuristics */ + /* @} */ + /*----------------------*/ + /**!< The following fields are used by the + AUTOINC code. The actual collection of + tables locked during AUTOINC read/write is + kept in trx_t. In order to quickly determine + whether a transaction has locked the AUTOINC + lock we keep a pointer to the transaction + here in the autoinc_trx variable. This is to + avoid acquiring the kernel mutex and scanning + the vector in trx_t. + + When an AUTOINC lock has to wait, the + corresponding lock instance is created on + the trx lock heap rather than use the + pre-allocated instance in autoinc_lock below.*/ + /* @{ */ + lock_t* autoinc_lock; + /*!< a buffer for an AUTOINC lock + for this table: we allocate the memory here + so that individual transactions can get it + and release it without a need to allocate + space from the lock heap of the trx: + otherwise the lock heap would grow rapidly + if we do a large insert from a select */ + mutex_t autoinc_mutex; + /*!< mutex protecting the autoincrement + counter */ + ib_uint64_t autoinc;/*!< autoinc counter value to give to the + next inserted row */ + ulong n_waiting_or_granted_auto_inc_locks; + /*!< This counter is used to track the number + of granted and pending autoinc locks on this + table. This value is set after acquiring the + kernel mutex but we peek the contents to + determine whether other transactions have + acquired the AUTOINC lock or not. Of course + only one transaction can be granted the + lock but there can be multiple waiters. */ + const trx_t* autoinc_trx; + /*!< The transaction that currently holds the + the AUTOINC lock on this table. */ + /* @} */ + /*----------------------*/ +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG + ulint magic_n;/*!< magic number */ +/** Value of dict_table_struct::magic_n */ +# define DICT_TABLE_MAGIC_N 76333786 +#endif /* UNIV_DEBUG */ +}; + +#ifndef UNIV_NONINL +#include "dict0mem.ic" +#endif + +#endif diff --git a/perfschema/include/dict0mem.ic b/perfschema/include/dict0mem.ic new file mode 100644 index 00000000000..c36adb07a18 --- /dev/null +++ b/perfschema/include/dict0mem.ic @@ -0,0 +1,26 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/dict0mem.ic +Data dictionary memory object creation + +Created 1/8/1996 Heikki Tuuri +***********************************************************************/ + + diff --git a/perfschema/include/dict0types.h b/perfschema/include/dict0types.h new file mode 100644 index 00000000000..7ad69193cc9 --- /dev/null +++ b/perfschema/include/dict0types.h @@ -0,0 +1,48 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0types.h +Data dictionary global types + +Created 1/8/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0types_h +#define dict0types_h + +typedef struct dict_sys_struct dict_sys_t; +typedef struct dict_col_struct dict_col_t; +typedef struct dict_field_struct dict_field_t; +typedef struct dict_index_struct dict_index_t; +typedef struct dict_table_struct dict_table_t; +typedef struct dict_foreign_struct dict_foreign_t; + +/* A cluster object is a table object with the type field set to +DICT_CLUSTERED */ + +typedef dict_table_t dict_cluster_t; + +typedef struct ind_node_struct ind_node_t; +typedef struct tab_node_struct tab_node_t; + +/* Space id and page no where the dictionary header resides */ +#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ +#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO + +#endif diff --git a/perfschema/include/dyn0dyn.h b/perfschema/include/dyn0dyn.h new file mode 100644 index 00000000000..121a5946ac7 --- /dev/null +++ b/perfschema/include/dyn0dyn.h @@ -0,0 +1,188 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dyn0dyn.h +The dynamically allocated array + +Created 2/5/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dyn0dyn_h +#define dyn0dyn_h + +#include "univ.i" +#include "ut0lst.h" +#include "mem0mem.h" + +/** A block in a dynamically allocated array */ +typedef struct dyn_block_struct dyn_block_t; +/** Dynamically allocated array */ +typedef dyn_block_t dyn_array_t; + + +/** This is the initial 'payload' size of a dynamic array; +this must be > MLOG_BUF_MARGIN + 30! */ +#define DYN_ARRAY_DATA_SIZE 512 + +/*********************************************************************//** +Initializes a dynamic array. +@return initialized dyn array */ +UNIV_INLINE +dyn_array_t* +dyn_array_create( +/*=============*/ + dyn_array_t* arr); /*!< in: pointer to a memory buffer of + size sizeof(dyn_array_t) */ +/************************************************************//** +Frees a dynamic array. */ +UNIV_INLINE +void +dyn_array_free( +/*===========*/ + dyn_array_t* arr); /*!< in: dyn array */ +/*********************************************************************//** +Makes room on top of a dyn array and returns a pointer to a buffer in it. +After copying the elements, the caller must close the buffer using +dyn_array_close. +@return pointer to the buffer */ +UNIV_INLINE +byte* +dyn_array_open( +/*===========*/ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size); /*!< in: size in bytes of the buffer; MUST be + smaller than DYN_ARRAY_DATA_SIZE! */ +/*********************************************************************//** +Closes the buffer returned by dyn_array_open. */ +UNIV_INLINE +void +dyn_array_close( +/*============*/ + dyn_array_t* arr, /*!< in: dynamic array */ + byte* ptr); /*!< in: buffer space from ptr up was not used */ +/*********************************************************************//** +Makes room on top of a dyn array and returns a pointer to +the added element. The caller must copy the element to +the pointer returned. +@return pointer to the element */ +UNIV_INLINE +void* +dyn_array_push( +/*===========*/ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size); /*!< in: size in bytes of the element */ +/************************************************************//** +Returns pointer to an element in dyn array. +@return pointer to element */ +UNIV_INLINE +void* +dyn_array_get_element( +/*==================*/ + dyn_array_t* arr, /*!< in: dyn array */ + ulint pos); /*!< in: position of element as bytes + from array start */ +/************************************************************//** +Returns the size of stored data in a dyn array. +@return data size in bytes */ +UNIV_INLINE +ulint +dyn_array_get_data_size( +/*====================*/ + dyn_array_t* arr); /*!< in: dyn array */ +/************************************************************//** +Gets the first block in a dyn array. */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_first_block( +/*======================*/ + dyn_array_t* arr); /*!< in: dyn array */ +/************************************************************//** +Gets the last block in a dyn array. */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_last_block( +/*=====================*/ + dyn_array_t* arr); /*!< in: dyn array */ +/********************************************************************//** +Gets the next block in a dyn array. +@return pointer to next, NULL if end of list */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_next_block( +/*=====================*/ + dyn_array_t* arr, /*!< in: dyn array */ + dyn_block_t* block); /*!< in: dyn array block */ +/********************************************************************//** +Gets the number of used bytes in a dyn array block. +@return number of bytes used */ +UNIV_INLINE +ulint +dyn_block_get_used( +/*===============*/ + dyn_block_t* block); /*!< in: dyn array block */ +/********************************************************************//** +Gets pointer to the start of data in a dyn array block. +@return pointer to data */ +UNIV_INLINE +byte* +dyn_block_get_data( +/*===============*/ + dyn_block_t* block); /*!< in: dyn array block */ +/********************************************************//** +Pushes n bytes to a dyn array. */ +UNIV_INLINE +void +dyn_push_string( +/*============*/ + dyn_array_t* arr, /*!< in: dyn array */ + const byte* str, /*!< in: string to write */ + ulint len); /*!< in: string length */ + +/*#################################################################*/ + +/** @brief A block in a dynamically allocated array. +NOTE! Do not access the fields of the struct directly: the definition +appears here only for the compiler to know its size! */ +struct dyn_block_struct{ + mem_heap_t* heap; /*!< in the first block this is != NULL + if dynamic allocation has been needed */ + ulint used; /*!< number of data bytes used in this block; + DYN_BLOCK_FULL_FLAG is set when the block + becomes full */ + byte data[DYN_ARRAY_DATA_SIZE]; + /*!< storage for array elements */ + UT_LIST_BASE_NODE_T(dyn_block_t) base; + /*!< linear list of dyn blocks: this node is + used only in the first block */ + UT_LIST_NODE_T(dyn_block_t) list; + /*!< linear list node: used in all blocks */ +#ifdef UNIV_DEBUG + ulint buf_end;/*!< only in the debug version: if dyn + array is opened, this is the buffer + end offset, else this is 0 */ + ulint magic_n;/*!< magic number (DYN_BLOCK_MAGIC_N) */ +#endif +}; + + +#ifndef UNIV_NONINL +#include "dyn0dyn.ic" +#endif + +#endif diff --git a/perfschema/include/dyn0dyn.ic b/perfschema/include/dyn0dyn.ic new file mode 100644 index 00000000000..110e674abff --- /dev/null +++ b/perfschema/include/dyn0dyn.ic @@ -0,0 +1,365 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dyn0dyn.ic +The dynamically allocated array + +Created 2/5/1996 Heikki Tuuri +*******************************************************/ + +/** Value of dyn_block_struct::magic_n */ +#define DYN_BLOCK_MAGIC_N 375767 +/** Flag for dyn_block_struct::used that indicates a full block */ +#define DYN_BLOCK_FULL_FLAG 0x1000000UL + +/************************************************************//** +Adds a new block to a dyn array. +@return created block */ +UNIV_INTERN +dyn_block_t* +dyn_array_add_block( +/*================*/ + dyn_array_t* arr); /*!< in: dyn array */ + + +/************************************************************//** +Gets the first block in a dyn array. */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_first_block( +/*======================*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + return(arr); +} + +/************************************************************//** +Gets the last block in a dyn array. */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_last_block( +/*=====================*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + if (arr->heap == NULL) { + + return(arr); + } + + return(UT_LIST_GET_LAST(arr->base)); +} + +/********************************************************************//** +Gets the next block in a dyn array. +@return pointer to next, NULL if end of list */ +UNIV_INLINE +dyn_block_t* +dyn_array_get_next_block( +/*=====================*/ + dyn_array_t* arr, /*!< in: dyn array */ + dyn_block_t* block) /*!< in: dyn array block */ +{ + ut_ad(arr && block); + + if (arr->heap == NULL) { + ut_ad(arr == block); + + return(NULL); + } + + return(UT_LIST_GET_NEXT(list, block)); +} + +/********************************************************************//** +Gets the number of used bytes in a dyn array block. +@return number of bytes used */ +UNIV_INLINE +ulint +dyn_block_get_used( +/*===============*/ + dyn_block_t* block) /*!< in: dyn array block */ +{ + ut_ad(block); + + return((block->used) & ~DYN_BLOCK_FULL_FLAG); +} + +/********************************************************************//** +Gets pointer to the start of data in a dyn array block. +@return pointer to data */ +UNIV_INLINE +byte* +dyn_block_get_data( +/*===============*/ + dyn_block_t* block) /*!< in: dyn array block */ +{ + ut_ad(block); + + return(block->data); +} + +/*********************************************************************//** +Initializes a dynamic array. +@return initialized dyn array */ +UNIV_INLINE +dyn_array_t* +dyn_array_create( +/*=============*/ + dyn_array_t* arr) /*!< in: pointer to a memory buffer of + size sizeof(dyn_array_t) */ +{ + ut_ad(arr); +#if DYN_ARRAY_DATA_SIZE >= DYN_BLOCK_FULL_FLAG +# error "DYN_ARRAY_DATA_SIZE >= DYN_BLOCK_FULL_FLAG" +#endif + + arr->heap = NULL; + arr->used = 0; + +#ifdef UNIV_DEBUG + arr->buf_end = 0; + arr->magic_n = DYN_BLOCK_MAGIC_N; +#endif + return(arr); +} + +/************************************************************//** +Frees a dynamic array. */ +UNIV_INLINE +void +dyn_array_free( +/*===========*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + if (arr->heap != NULL) { + mem_heap_free(arr->heap); + } + +#ifdef UNIV_DEBUG + arr->magic_n = 0; +#endif +} + +/*********************************************************************//** +Makes room on top of a dyn array and returns a pointer to the added element. +The caller must copy the element to the pointer returned. +@return pointer to the element */ +UNIV_INLINE +void* +dyn_array_push( +/*===========*/ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size) /*!< in: size in bytes of the element */ +{ + dyn_block_t* block; + ulint used; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + ut_ad(size <= DYN_ARRAY_DATA_SIZE); + ut_ad(size); + + block = arr; + used = block->used; + + if (used + size > DYN_ARRAY_DATA_SIZE) { + /* Get the last array block */ + + block = dyn_array_get_last_block(arr); + used = block->used; + + if (used + size > DYN_ARRAY_DATA_SIZE) { + block = dyn_array_add_block(arr); + used = block->used; + } + } + + block->used = used + size; + ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); + + return((block->data) + used); +} + +/*********************************************************************//** +Makes room on top of a dyn array and returns a pointer to a buffer in it. +After copying the elements, the caller must close the buffer using +dyn_array_close. +@return pointer to the buffer */ +UNIV_INLINE +byte* +dyn_array_open( +/*===========*/ + dyn_array_t* arr, /*!< in: dynamic array */ + ulint size) /*!< in: size in bytes of the buffer; MUST be + smaller than DYN_ARRAY_DATA_SIZE! */ +{ + dyn_block_t* block; + ulint used; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + ut_ad(size <= DYN_ARRAY_DATA_SIZE); + ut_ad(size); + + block = arr; + used = block->used; + + if (used + size > DYN_ARRAY_DATA_SIZE) { + /* Get the last array block */ + + block = dyn_array_get_last_block(arr); + used = block->used; + + if (used + size > DYN_ARRAY_DATA_SIZE) { + block = dyn_array_add_block(arr); + used = block->used; + ut_a(size <= DYN_ARRAY_DATA_SIZE); + } + } + + ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); +#ifdef UNIV_DEBUG + ut_ad(arr->buf_end == 0); + + arr->buf_end = used + size; +#endif + return((block->data) + used); +} + +/*********************************************************************//** +Closes the buffer returned by dyn_array_open. */ +UNIV_INLINE +void +dyn_array_close( +/*============*/ + dyn_array_t* arr, /*!< in: dynamic array */ + byte* ptr) /*!< in: buffer space from ptr up was not used */ +{ + dyn_block_t* block; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + block = dyn_array_get_last_block(arr); + + ut_ad(arr->buf_end + block->data >= ptr); + + block->used = ptr - block->data; + + ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); + +#ifdef UNIV_DEBUG + arr->buf_end = 0; +#endif +} + +/************************************************************//** +Returns pointer to an element in dyn array. +@return pointer to element */ +UNIV_INLINE +void* +dyn_array_get_element( +/*==================*/ + dyn_array_t* arr, /*!< in: dyn array */ + ulint pos) /*!< in: position of element as bytes + from array start */ +{ + dyn_block_t* block; + ulint used; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + /* Get the first array block */ + block = dyn_array_get_first_block(arr); + + if (arr->heap != NULL) { + used = dyn_block_get_used(block); + + while (pos >= used) { + pos -= used; + block = UT_LIST_GET_NEXT(list, block); + ut_ad(block); + + used = dyn_block_get_used(block); + } + } + + ut_ad(block); + ut_ad(dyn_block_get_used(block) >= pos); + + return(block->data + pos); +} + +/************************************************************//** +Returns the size of stored data in a dyn array. +@return data size in bytes */ +UNIV_INLINE +ulint +dyn_array_get_data_size( +/*====================*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + dyn_block_t* block; + ulint sum = 0; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + if (arr->heap == NULL) { + + return(arr->used); + } + + /* Get the first array block */ + block = dyn_array_get_first_block(arr); + + while (block != NULL) { + sum += dyn_block_get_used(block); + block = dyn_array_get_next_block(arr, block); + } + + return(sum); +} + +/********************************************************//** +Pushes n bytes to a dyn array. */ +UNIV_INLINE +void +dyn_push_string( +/*============*/ + dyn_array_t* arr, /*!< in: dyn array */ + const byte* str, /*!< in: string to write */ + ulint len) /*!< in: string length */ +{ + ulint n_copied; + + while (len > 0) { + if (len > DYN_ARRAY_DATA_SIZE) { + n_copied = DYN_ARRAY_DATA_SIZE; + } else { + n_copied = len; + } + + memcpy(dyn_array_push(arr, n_copied), str, n_copied); + + str += n_copied; + len -= n_copied; + } +} diff --git a/perfschema/include/eval0eval.h b/perfschema/include/eval0eval.h new file mode 100644 index 00000000000..60aefd8d453 --- /dev/null +++ b/perfschema/include/eval0eval.h @@ -0,0 +1,114 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/eval0eval.h +SQL evaluator: evaluates simple data structures, like expressions, in +a query graph + +Created 12/29/1997 Heikki Tuuri +*******************************************************/ + +#ifndef eval0eval_h +#define eval0eval_h + +#include "univ.i" +#include "que0types.h" +#include "pars0sym.h" +#include "pars0pars.h" + +/*****************************************************************//** +Free the buffer from global dynamic memory for a value of a que_node, +if it has been allocated in the above function. The freeing for pushed +column values is done in sel_col_prefetch_buf_free. */ +UNIV_INTERN +void +eval_node_free_val_buf( +/*===================*/ + que_node_t* node); /*!< in: query graph node */ +/*****************************************************************//** +Evaluates a symbol table symbol. */ +UNIV_INLINE +void +eval_sym( +/*=====*/ + sym_node_t* sym_node); /*!< in: symbol table node */ +/*****************************************************************//** +Evaluates an expression. */ +UNIV_INLINE +void +eval_exp( +/*=====*/ + que_node_t* exp_node); /*!< in: expression */ +/*****************************************************************//** +Sets an integer value as the value of an expression node. */ +UNIV_INLINE +void +eval_node_set_int_val( +/*==================*/ + que_node_t* node, /*!< in: expression node */ + lint val); /*!< in: value to set */ +/*****************************************************************//** +Gets an integer value from an expression node. +@return integer value */ +UNIV_INLINE +lint +eval_node_get_int_val( +/*==================*/ + que_node_t* node); /*!< in: expression node */ +/*****************************************************************//** +Copies a binary string value as the value of a query graph node. Allocates a +new buffer if necessary. */ +UNIV_INLINE +void +eval_node_copy_and_alloc_val( +/*=========================*/ + que_node_t* node, /*!< in: query graph node */ + const byte* str, /*!< in: binary string */ + ulint len); /*!< in: string length or UNIV_SQL_NULL */ +/*****************************************************************//** +Copies a query node value to another node. */ +UNIV_INLINE +void +eval_node_copy_val( +/*===============*/ + que_node_t* node1, /*!< in: node to copy to */ + que_node_t* node2); /*!< in: node to copy from */ +/*****************************************************************//** +Gets a iboolean value from a query node. +@return iboolean value */ +UNIV_INLINE +ibool +eval_node_get_ibool_val( +/*====================*/ + que_node_t* node); /*!< in: query graph node */ +/*****************************************************************//** +Evaluates a comparison node. +@return the result of the comparison */ +UNIV_INTERN +ibool +eval_cmp( +/*=====*/ + func_node_t* cmp_node); /*!< in: comparison node */ + + +#ifndef UNIV_NONINL +#include "eval0eval.ic" +#endif + +#endif diff --git a/perfschema/include/eval0eval.ic b/perfschema/include/eval0eval.ic new file mode 100644 index 00000000000..fe767f39b00 --- /dev/null +++ b/perfschema/include/eval0eval.ic @@ -0,0 +1,251 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/eval0eval.ic +SQL evaluator: evaluates simple data structures, like expressions, in +a query graph + +Created 12/29/1997 Heikki Tuuri +*******************************************************/ + +#include "que0que.h" +#include "rem0cmp.h" +#include "pars0grm.h" + +/*****************************************************************//** +Evaluates a function node. */ +UNIV_INTERN +void +eval_func( +/*======*/ + func_node_t* func_node); /*!< in: function node */ +/*****************************************************************//** +Allocate a buffer from global dynamic memory for a value of a que_node. +NOTE that this memory must be explicitly freed when the query graph is +freed. If the node already has allocated buffer, that buffer is freed +here. NOTE that this is the only function where dynamic memory should be +allocated for a query node val field. +@return pointer to allocated buffer */ +UNIV_INTERN +byte* +eval_node_alloc_val_buf( +/*====================*/ + que_node_t* node, /*!< in: query graph node; sets the val field + data field to point to the new buffer, and + len field equal to size */ + ulint size); /*!< in: buffer size */ + + +/*****************************************************************//** +Allocates a new buffer if needed. +@return pointer to buffer */ +UNIV_INLINE +byte* +eval_node_ensure_val_buf( +/*=====================*/ + que_node_t* node, /*!< in: query graph node; sets the val field + data field to point to the new buffer, and + len field equal to size */ + ulint size) /*!< in: buffer size */ +{ + dfield_t* dfield; + byte* data; + + dfield = que_node_get_val(node); + dfield_set_len(dfield, size); + + data = dfield_get_data(dfield); + + if (!data || que_node_get_val_buf_size(node) < size) { + + data = eval_node_alloc_val_buf(node, size); + } + + return(data); +} + +/*****************************************************************//** +Evaluates a symbol table symbol. */ +UNIV_INLINE +void +eval_sym( +/*=====*/ + sym_node_t* sym_node) /*!< in: symbol table node */ +{ + + ut_ad(que_node_get_type(sym_node) == QUE_NODE_SYMBOL); + + if (sym_node->indirection) { + /* The symbol table node is an alias for a variable or a + column */ + + dfield_copy_data(que_node_get_val(sym_node), + que_node_get_val(sym_node->indirection)); + } +} + +/*****************************************************************//** +Evaluates an expression. */ +UNIV_INLINE +void +eval_exp( +/*=====*/ + que_node_t* exp_node) /*!< in: expression */ +{ + if (que_node_get_type(exp_node) == QUE_NODE_SYMBOL) { + + eval_sym((sym_node_t*)exp_node); + + return; + } + + eval_func(exp_node); +} + +/*****************************************************************//** +Sets an integer value as the value of an expression node. */ +UNIV_INLINE +void +eval_node_set_int_val( +/*==================*/ + que_node_t* node, /*!< in: expression node */ + lint val) /*!< in: value to set */ +{ + dfield_t* dfield; + byte* data; + + dfield = que_node_get_val(node); + + data = dfield_get_data(dfield); + + if (data == NULL) { + data = eval_node_alloc_val_buf(node, 4); + } + + ut_ad(dfield_get_len(dfield) == 4); + + mach_write_to_4(data, (ulint)val); +} + +/*****************************************************************//** +Gets an integer non-SQL null value from an expression node. +@return integer value */ +UNIV_INLINE +lint +eval_node_get_int_val( +/*==================*/ + que_node_t* node) /*!< in: expression node */ +{ + dfield_t* dfield; + + dfield = que_node_get_val(node); + + ut_ad(dfield_get_len(dfield) == 4); + + return((int)mach_read_from_4(dfield_get_data(dfield))); +} + +/*****************************************************************//** +Gets a iboolean value from a query node. +@return iboolean value */ +UNIV_INLINE +ibool +eval_node_get_ibool_val( +/*====================*/ + que_node_t* node) /*!< in: query graph node */ +{ + dfield_t* dfield; + byte* data; + + dfield = que_node_get_val(node); + + data = dfield_get_data(dfield); + + ut_ad(data != NULL); + + return(mach_read_from_1(data)); +} + +/*****************************************************************//** +Sets a iboolean value as the value of a function node. */ +UNIV_INLINE +void +eval_node_set_ibool_val( +/*====================*/ + func_node_t* func_node, /*!< in: function node */ + ibool val) /*!< in: value to set */ +{ + dfield_t* dfield; + byte* data; + + dfield = que_node_get_val(func_node); + + data = dfield_get_data(dfield); + + if (data == NULL) { + /* Allocate 1 byte to hold the value */ + + data = eval_node_alloc_val_buf(func_node, 1); + } + + ut_ad(dfield_get_len(dfield) == 1); + + mach_write_to_1(data, val); +} + +/*****************************************************************//** +Copies a binary string value as the value of a query graph node. Allocates a +new buffer if necessary. */ +UNIV_INLINE +void +eval_node_copy_and_alloc_val( +/*=========================*/ + que_node_t* node, /*!< in: query graph node */ + const byte* str, /*!< in: binary string */ + ulint len) /*!< in: string length or UNIV_SQL_NULL */ +{ + byte* data; + + if (len == UNIV_SQL_NULL) { + dfield_set_len(que_node_get_val(node), len); + + return; + } + + data = eval_node_ensure_val_buf(node, len); + + ut_memcpy(data, str, len); +} + +/*****************************************************************//** +Copies a query node value to another node. */ +UNIV_INLINE +void +eval_node_copy_val( +/*===============*/ + que_node_t* node1, /*!< in: node to copy to */ + que_node_t* node2) /*!< in: node to copy from */ +{ + dfield_t* dfield2; + + dfield2 = que_node_get_val(node2); + + eval_node_copy_and_alloc_val(node1, dfield_get_data(dfield2), + dfield_get_len(dfield2)); +} diff --git a/perfschema/include/eval0proc.h b/perfschema/include/eval0proc.h new file mode 100644 index 00000000000..13e2e365320 --- /dev/null +++ b/perfschema/include/eval0proc.h @@ -0,0 +1,104 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/eval0proc.h +Executes SQL stored procedures and their control structures + +Created 1/20/1998 Heikki Tuuri +*******************************************************/ + +#ifndef eval0proc_h +#define eval0proc_h + +#include "univ.i" +#include "que0types.h" +#include "pars0sym.h" +#include "pars0pars.h" + +/**********************************************************************//** +Performs an execution step of a procedure node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +proc_step( +/*======*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of an if-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +if_step( +/*====*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of a while-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +while_step( +/*=======*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of a for-loop node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +for_step( +/*=====*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of an assignment statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +assign_step( +/*========*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of a procedure call node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +proc_eval_step( +/*===========*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of an exit statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +exit_step( +/*======*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of a return-statement node. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +return_step( +/*========*/ + que_thr_t* thr); /*!< in: query thread */ + + +#ifndef UNIV_NONINL +#include "eval0proc.ic" +#endif + +#endif diff --git a/perfschema/include/eval0proc.ic b/perfschema/include/eval0proc.ic new file mode 100644 index 00000000000..c602af0a694 --- /dev/null +++ b/perfschema/include/eval0proc.ic @@ -0,0 +1,88 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/eval0proc.ic +Executes SQL stored procedures and their control structures + +Created 1/20/1998 Heikki Tuuri +*******************************************************/ + +#include "pars0pars.h" +#include "que0que.h" +#include "eval0eval.h" + +/**********************************************************************//** +Performs an execution step of a procedure node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +proc_step( +/*======*/ + que_thr_t* thr) /*!< in: query thread */ +{ + proc_node_t* node; + + ut_ad(thr); + + node = thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_PROC); + + if (thr->prev_node == que_node_get_parent(node)) { + /* Start execution from the first statement in the statement + list */ + + thr->run_node = node->stat_list; + } else { + /* Move to the next statement */ + ut_ad(que_node_get_next(thr->prev_node) == NULL); + + thr->run_node = NULL; + } + + if (thr->run_node == NULL) { + thr->run_node = que_node_get_parent(node); + } + + return(thr); +} + +/**********************************************************************//** +Performs an execution step of a procedure call node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +proc_eval_step( +/*===========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + func_node_t* node; + + ut_ad(thr); + + node = thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_FUNC); + + /* Evaluate the procedure */ + + eval_exp(node); + + thr->run_node = que_node_get_parent(node); + + return(thr); +} diff --git a/perfschema/include/fil0fil.h b/perfschema/include/fil0fil.h new file mode 100644 index 00000000000..36660d9845b --- /dev/null +++ b/perfschema/include/fil0fil.h @@ -0,0 +1,724 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/fil0fil.h +The low-level file system + +Created 10/25/1995 Heikki Tuuri +*******************************************************/ + +#ifndef fil0fil_h +#define fil0fil_h + +#include "dict0types.h" +#include "ut0byte.h" +#include "os0file.h" +#ifndef UNIV_HOTBACKUP +#include "sync0rw.h" +#include "ibuf0types.h" +#endif /* !UNIV_HOTBACKUP */ + +/** When mysqld is run, the default directory "." is the mysqld datadir, +but in the MySQL Embedded Server Library and ibbackup it is not the default +directory, and we must set the base file path explicitly */ +extern const char* fil_path_to_mysql_datadir; + +/** Initial size of a single-table tablespace in pages */ +#define FIL_IBD_FILE_INITIAL_SIZE 4 + +/** 'null' (undefined) page offset in the context of file spaces */ +#define FIL_NULL ULINT32_UNDEFINED + +/* Space address data type; this is intended to be used when +addresses accurate to a byte are stored in file pages. If the page part +of the address is FIL_NULL, the address is considered undefined. */ + +typedef byte fil_faddr_t; /*!< 'type' definition in C: an address + stored in a file page is a string of bytes */ +#define FIL_ADDR_PAGE 0 /* first in address is the page offset */ +#define FIL_ADDR_BYTE 4 /* then comes 2-byte byte offset within page*/ + +#define FIL_ADDR_SIZE 6 /* address size is 6 bytes */ + +/** A struct for storing a space address FIL_ADDR, when it is used +in C program data structures. */ + +typedef struct fil_addr_struct fil_addr_t; +/** File space address */ +struct fil_addr_struct{ + ulint page; /*!< page number within a space */ + ulint boffset; /*!< byte offset within the page */ +}; + +/** The null file address */ +extern fil_addr_t fil_addr_null; + +/** The byte offsets on a file page for various variables @{ */ +#define FIL_PAGE_SPACE_OR_CHKSUM 0 /*!< in < MySQL-4.0.14 space id the + page belongs to (== 0) but in later + versions the 'new' checksum of the + page */ +#define FIL_PAGE_OFFSET 4 /*!< page offset inside space */ +#define FIL_PAGE_PREV 8 /*!< if there is a 'natural' + predecessor of the page, its + offset. Otherwise FIL_NULL. + This field is not set on BLOB + pages, which are stored as a + singly-linked list. See also + FIL_PAGE_NEXT. */ +#define FIL_PAGE_NEXT 12 /*!< if there is a 'natural' successor + of the page, its offset. + Otherwise FIL_NULL. + B-tree index pages + (FIL_PAGE_TYPE contains FIL_PAGE_INDEX) + on the same PAGE_LEVEL are maintained + as a doubly linked list via + FIL_PAGE_PREV and FIL_PAGE_NEXT + in the collation order of the + smallest user record on each page. */ +#define FIL_PAGE_LSN 16 /*!< lsn of the end of the newest + modification log record to the page */ +#define FIL_PAGE_TYPE 24 /*!< file page type: FIL_PAGE_INDEX,..., + 2 bytes. + + The contents of this field can only + be trusted in the following case: + if the page is an uncompressed + B-tree index page, then it is + guaranteed that the value is + FIL_PAGE_INDEX. + The opposite does not hold. + + In tablespaces created by + MySQL/InnoDB 5.1.7 or later, the + contents of this field is valid + for all uncompressed pages. */ +#define FIL_PAGE_FILE_FLUSH_LSN 26 /*!< this is only defined for the + first page in a system tablespace + data file (ibdata*, not *.ibd): + the file has been flushed to disk + at least up to this lsn */ +#define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /*!< starting from 4.1.x this + contains the space id of the page */ +#define FIL_PAGE_DATA 38 /*!< start of the data on the page */ +/* @} */ +/** File page trailer @{ */ +#define FIL_PAGE_END_LSN_OLD_CHKSUM 8 /*!< the low 4 bytes of this are used + to store the page checksum, the + last 4 bytes should be identical + to the last 4 bytes of FIL_PAGE_LSN */ +#define FIL_PAGE_DATA_END 8 /*!< size of the page trailer */ +/* @} */ + +/** File page types (values of FIL_PAGE_TYPE) @{ */ +#define FIL_PAGE_INDEX 17855 /*!< B-tree node */ +#define FIL_PAGE_UNDO_LOG 2 /*!< Undo log page */ +#define FIL_PAGE_INODE 3 /*!< Index node */ +#define FIL_PAGE_IBUF_FREE_LIST 4 /*!< Insert buffer free list */ +/* File page types introduced in MySQL/InnoDB 5.1.7 */ +#define FIL_PAGE_TYPE_ALLOCATED 0 /*!< Freshly allocated page */ +#define FIL_PAGE_IBUF_BITMAP 5 /*!< Insert buffer bitmap */ +#define FIL_PAGE_TYPE_SYS 6 /*!< System page */ +#define FIL_PAGE_TYPE_TRX_SYS 7 /*!< Transaction system data */ +#define FIL_PAGE_TYPE_FSP_HDR 8 /*!< File space header */ +#define FIL_PAGE_TYPE_XDES 9 /*!< Extent descriptor page */ +#define FIL_PAGE_TYPE_BLOB 10 /*!< Uncompressed BLOB page */ +#define FIL_PAGE_TYPE_ZBLOB 11 /*!< First compressed BLOB page */ +#define FIL_PAGE_TYPE_ZBLOB2 12 /*!< Subsequent compressed BLOB page */ +/* @} */ + +/** Space types @{ */ +#define FIL_TABLESPACE 501 /*!< tablespace */ +#define FIL_LOG 502 /*!< redo log */ +/* @} */ + +/** The number of fsyncs done to the log */ +extern ulint fil_n_log_flushes; + +/** Number of pending redo log flushes */ +extern ulint fil_n_pending_log_flushes; +/** Number of pending tablespace flushes */ +extern ulint fil_n_pending_tablespace_flushes; + + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Returns the version number of a tablespace, -1 if not found. +@return version number, -1 if the tablespace does not exist in the +memory cache */ +UNIV_INTERN +ib_int64_t +fil_space_get_version( +/*==================*/ + ulint id); /*!< in: space id */ +/*******************************************************************//** +Returns the latch of a file space. +@return latch protecting storage allocation */ +UNIV_INTERN +rw_lock_t* +fil_space_get_latch( +/*================*/ + ulint id, /*!< in: space id */ + ulint* zip_size);/*!< out: compressed page size, or + 0 for uncompressed tablespaces */ +/*******************************************************************//** +Returns the type of a file space. +@return FIL_TABLESPACE or FIL_LOG */ +UNIV_INTERN +ulint +fil_space_get_type( +/*===============*/ + ulint id); /*!< in: space id */ +#endif /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Appends a new file to the chain of files of a space. File must be closed. */ +UNIV_INTERN +void +fil_node_create( +/*============*/ + const char* name, /*!< in: file name (file must be closed) */ + ulint size, /*!< in: file size in database blocks, rounded + downwards to an integer */ + ulint id, /*!< in: space id where to append */ + ibool is_raw);/*!< in: TRUE if a raw device or + a raw disk partition */ +#ifdef UNIV_LOG_ARCHIVE +/****************************************************************//** +Drops files from the start of a file space, so that its size is cut by +the amount given. */ +UNIV_INTERN +void +fil_space_truncate_start( +/*=====================*/ + ulint id, /*!< in: space id */ + ulint trunc_len); /*!< in: truncate by this much; it is an error + if this does not equal to the combined size of + some initial files in the space */ +#endif /* UNIV_LOG_ARCHIVE */ +/*******************************************************************//** +Creates a space memory object and puts it to the 'fil system' hash table. If +there is an error, prints an error message to the .err log. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_space_create( +/*=============*/ + const char* name, /*!< in: space name */ + ulint id, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size, or + 0 for uncompressed tablespaces */ + ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ +/*******************************************************************//** +Returns the size of the space in pages. The tablespace must be cached in the +memory cache. +@return space size, 0 if space not found */ +UNIV_INTERN +ulint +fil_space_get_size( +/*===============*/ + ulint id); /*!< in: space id */ +/*******************************************************************//** +Returns the flags of the space. The tablespace must be cached +in the memory cache. +@return flags, ULINT_UNDEFINED if space not found */ +UNIV_INTERN +ulint +fil_space_get_flags( +/*================*/ + ulint id); /*!< in: space id */ +/*******************************************************************//** +Returns the compressed page size of the space, or 0 if the space +is not compressed. The tablespace must be cached in the memory cache. +@return compressed page size, ULINT_UNDEFINED if space not found */ +UNIV_INTERN +ulint +fil_space_get_zip_size( +/*===================*/ + ulint id); /*!< in: space id */ +/*******************************************************************//** +Checks if the pair space, page_no refers to an existing page in a tablespace +file space. The tablespace must be cached in the memory cache. +@return TRUE if the address is meaningful */ +UNIV_INTERN +ibool +fil_check_adress_in_tablespace( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint page_no);/*!< in: page number */ +/****************************************************************//** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_init( +/*=====*/ + ulint hash_size, /*!< in: hash table size */ + ulint max_n_open); /*!< in: max number of open files */ +/*******************************************************************//** +Initializes the tablespace memory cache. */ +UNIV_INTERN +void +fil_close(void); +/*===========*/ +/*******************************************************************//** +Opens all log files and system tablespace data files. They stay open until the +database server shutdown. This should be called at a server startup after the +space objects for the log and the system tablespace have been created. The +purpose of this operation is to make sure we never run out of file descriptors +if we need to read from the insert buffer or to write to the log. */ +UNIV_INTERN +void +fil_open_log_and_system_tablespace_files(void); +/*==========================================*/ +/*******************************************************************//** +Closes all open files. There must not be any pending i/o's or not flushed +modifications in the files. */ +UNIV_INTERN +void +fil_close_all_files(void); +/*=====================*/ +/*******************************************************************//** +Sets the max tablespace id counter if the given number is bigger than the +previous value. */ +UNIV_INTERN +void +fil_set_max_space_id_if_bigger( +/*===========================*/ + ulint max_id);/*!< in: maximum known id */ +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Writes the flushed lsn and the latest archived log number to the page +header of the first page of each data file in the system tablespace. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +fil_write_flushed_lsn_to_data_files( +/*================================*/ + ib_uint64_t lsn, /*!< in: lsn to write */ + ulint arch_log_no); /*!< in: latest archived log + file number */ +/*******************************************************************//** +Reads the flushed lsn and arch no fields from a data file at database +startup. */ +UNIV_INTERN +void +fil_read_flushed_lsn_and_arch_log_no( +/*=================================*/ + os_file_t data_file, /*!< in: open data file */ + ibool one_read_already, /*!< in: TRUE if min and max + parameters below already + contain sensible data */ +#ifdef UNIV_LOG_ARCHIVE + ulint* min_arch_log_no, /*!< in/out: */ + ulint* max_arch_log_no, /*!< in/out: */ +#endif /* UNIV_LOG_ARCHIVE */ + ib_uint64_t* min_flushed_lsn, /*!< in/out: */ + ib_uint64_t* max_flushed_lsn); /*!< in/out: */ +/*******************************************************************//** +Increments the count of pending insert buffer page merges, if space is not +being deleted. +@return TRUE if being deleted, and ibuf merges should be skipped */ +UNIV_INTERN +ibool +fil_inc_pending_ibuf_merges( +/*========================*/ + ulint id); /*!< in: space id */ +/*******************************************************************//** +Decrements the count of pending insert buffer page merges. */ +UNIV_INTERN +void +fil_decr_pending_ibuf_merges( +/*=========================*/ + ulint id); /*!< in: space id */ +#endif /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Parses the body of a log record written about an .ibd file operation. That is, +the log record part after the standard (type, space id, page no) header of the +log record. + +If desired, also replays the delete or rename operation if the .ibd file +exists and the space id in it matches. Replays the create operation if a file +at that path does not exist yet. If the database directory for the file to be +created does not exist, then we create the directory, too. + +Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the +datadir that we should use in replaying the file operations. +@return end of log record, or NULL if the record was not completely +contained between ptr and end_ptr */ +UNIV_INTERN +byte* +fil_op_log_parse_or_replay( +/*=======================*/ + byte* ptr, /*!< in: buffer containing the log record body, + or an initial segment of it, if the record does + not fir completely between ptr and end_ptr */ + byte* end_ptr, /*!< in: buffer end */ + ulint type, /*!< in: the type of this log record */ + ulint space_id, /*!< in: the space id of the tablespace in + question, or 0 if the log record should + only be parsed but not replayed */ + ulint log_flags); /*!< in: redo log flags + (stored in the page number parameter) */ +/*******************************************************************//** +Deletes a single-table tablespace. The tablespace must be cached in the +memory cache. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_delete_tablespace( +/*==================*/ + ulint id); /*!< in: space id */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Discards a single-table tablespace. The tablespace must be cached in the +memory cache. Discarding is like deleting a tablespace, but +1) we do not drop the table from the data dictionary; +2) we remove all insert buffer entries for the tablespace immediately; in DROP +TABLE they are only removed gradually in the background; +3) when the user does IMPORT TABLESPACE, the tablespace will have the same id +as it originally had. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_discard_tablespace( +/*===================*/ + ulint id); /*!< in: space id */ +#endif /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Renames a single-table tablespace. The tablespace must be cached in the +tablespace memory cache. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_rename_tablespace( +/*==================*/ + const char* old_name, /*!< in: old table name in the standard + databasename/tablename format of + InnoDB, or NULL if we do the rename + based on the space id only */ + ulint id, /*!< in: space id */ + const char* new_name); /*!< in: new table name in the standard + databasename/tablename format + of InnoDB */ + +/*******************************************************************//** +Creates a new single-table tablespace to a database directory of MySQL. +Database directories are under the 'datadir' of MySQL. The datadir is the +directory of a running mysqld program. We can refer to it by simply the +path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp +dir of the mysqld server. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +fil_create_new_single_table_tablespace( +/*===================================*/ + ulint* space_id, /*!< in/out: space id; if this is != 0, + then this is an input parameter, + otherwise output */ + const char* tablename, /*!< in: the table name in the usual + databasename/tablename format + of InnoDB, or a dir path to a temp + table */ + ibool is_temp, /*!< in: TRUE if a table created with + CREATE TEMPORARY TABLE */ + ulint flags, /*!< in: tablespace flags */ + ulint size); /*!< in: the initial size of the + tablespace file in pages, + must be >= FIL_IBD_FILE_INITIAL_SIZE */ +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Tries to open a single-table tablespace and optionally checks the space id is +right in it. If does not succeed, prints an error message to the .err log. This +function is used to open a tablespace when we start up mysqld, and also in +IMPORT TABLESPACE. +NOTE that we assume this operation is used either at the database startup +or under the protection of the dictionary mutex, so that two users cannot +race here. This operation does not leave the file associated with the +tablespace open, but closes it after we have looked at the space id in it. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_open_single_table_tablespace( +/*=============================*/ + ibool check_space_id, /*!< in: should we check that the space + id in the file is right; we assume + that this function runs much faster + if no check is made, since accessing + the file inode probably is much + faster (the OS caches them) than + accessing the first page of the file */ + ulint id, /*!< in: space id */ + ulint flags, /*!< in: tablespace flags */ + const char* name); /*!< in: table name in the + databasename/tablename format */ +/********************************************************************//** +It is possible, though very improbable, that the lsn's in the tablespace to be +imported have risen above the current system lsn, if a lengthy purge, ibuf +merge, or rollback was performed on a backup taken with ibbackup. If that is +the case, reset page lsn's in the file. We assume that mysqld was shut down +after it performed these cleanup operations on the .ibd file, so that it at +the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the +first page of the .ibd file, and we can determine whether we need to reset the +lsn's just by looking at that flush lsn. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_reset_too_high_lsns( +/*====================*/ + const char* name, /*!< in: table name in the + databasename/tablename format */ + ib_uint64_t current_lsn); /*!< in: reset lsn's if the lsn stamped + to FIL_PAGE_FILE_FLUSH_LSN in the + first page is too high */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +At the server startup, if we need crash recovery, scans the database +directories under the MySQL datadir, looking for .ibd files. Those files are +single-table tablespaces. We need to know the space id in each of them so that +we know into which file we should look to check the contents of a page stored +in the doublewrite buffer, also to know where to apply log records where the +space id is != 0. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +fil_load_single_table_tablespaces(void); +/*===================================*/ +/********************************************************************//** +If we need crash recovery, and we have called +fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), +we can call this function to print an error message of orphaned .ibd files +for which there is not a data dictionary entry with a matching table name +and space id. */ +UNIV_INTERN +void +fil_print_orphaned_tablespaces(void); +/*================================*/ +/*******************************************************************//** +Returns TRUE if a single-table tablespace does not exist in the memory cache, +or is being deleted there. +@return TRUE if does not exist or is being\ deleted */ +UNIV_INTERN +ibool +fil_tablespace_deleted_or_being_deleted_in_mem( +/*===========================================*/ + ulint id, /*!< in: space id */ + ib_int64_t version);/*!< in: tablespace_version should be this; if + you pass -1 as the value of this, then this + parameter is ignored */ +/*******************************************************************//** +Returns TRUE if a single-table tablespace exists in the memory cache. +@return TRUE if exists */ +UNIV_INTERN +ibool +fil_tablespace_exists_in_mem( +/*=========================*/ + ulint id); /*!< in: space id */ +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory +cache. Note that if we have not done a crash recovery at the database startup, +there may be many tablespaces which are not yet in the memory cache. +@return TRUE if a matching tablespace exists in the memory cache */ +UNIV_INTERN +ibool +fil_space_for_table_exists_in_mem( +/*==============================*/ + ulint id, /*!< in: space id */ + const char* name, /*!< in: table name in the standard + 'databasename/tablename' format or + the dir path to a temp table */ + ibool is_temp, /*!< in: TRUE if created with CREATE + TEMPORARY TABLE */ + ibool mark_space, /*!< in: in crash recovery, at database + startup we mark all spaces which have + an associated table in the InnoDB + data dictionary, so that + we can print a warning about orphaned + tablespaces */ + ibool print_error_if_does_not_exist); + /*!< in: print detailed error + information to the .err log if a + matching tablespace is not found from + memory */ +#else /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Extends all tablespaces to the size stored in the space header. During the +ibbackup --apply-log phase we extended the spaces on-demand so that log records +could be appllied, but that may have left spaces still too small compared to +the size stored in the space header. */ +UNIV_INTERN +void +fil_extend_tablespaces_to_stored_len(void); +/*======================================*/ +#endif /* !UNIV_HOTBACKUP */ +/**********************************************************************//** +Tries to extend a data file so that it would accommodate the number of pages +given. The tablespace must be cached in the memory cache. If the space is big +enough already, does nothing. +@return TRUE if success */ +UNIV_INTERN +ibool +fil_extend_space_to_desired_size( +/*=============================*/ + ulint* actual_size, /*!< out: size of the space after extension; + if we ran out of disk space this may be lower + than the desired size */ + ulint space_id, /*!< in: space id */ + ulint size_after_extend);/*!< in: desired size in pages after the + extension; if the current space size is bigger + than this already, the function does nothing */ +/*******************************************************************//** +Tries to reserve free extents in a file space. +@return TRUE if succeed */ +UNIV_INTERN +ibool +fil_space_reserve_free_extents( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint n_free_now, /*!< in: number of free extents now */ + ulint n_to_reserve); /*!< in: how many one wants to reserve */ +/*******************************************************************//** +Releases free extents in a file space. */ +UNIV_INTERN +void +fil_space_release_free_extents( +/*===========================*/ + ulint id, /*!< in: space id */ + ulint n_reserved); /*!< in: how many one reserved */ +/*******************************************************************//** +Gets the number of reserved extents. If the database is silent, this number +should be zero. */ +UNIV_INTERN +ulint +fil_space_get_n_reserved_extents( +/*=============================*/ + ulint id); /*!< in: space id */ +/********************************************************************//** +Reads or writes data. This operation is asynchronous (aio). +@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do +i/o on a tablespace which does not exist */ +UNIV_INTERN +ulint +fil_io( +/*===*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, + ORed to OS_FILE_LOG, if a log i/o + and ORed to OS_AIO_SIMULATED_WAKE_LATER + if simulated aio and we want to post a + batch of i/os; NOTE that a simulated batch + may introduce hidden chances of deadlocks, + because i/os are not actually handled until + all have been posted: use with great + caution! */ + ibool sync, /*!< in: TRUE if synchronous aio is desired */ + ulint space_id, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint block_offset, /*!< in: offset in number of blocks */ + ulint byte_offset, /*!< in: remainder of offset in bytes; in + aio this must be divisible by the OS block + size */ + ulint len, /*!< in: how many bytes to read or write; this + must not cross a file boundary; in aio this + must be a block size multiple */ + void* buf, /*!< in/out: buffer where to store read data + or from where to write; in aio this must be + appropriately aligned */ + void* message); /*!< in: message for aio handler if non-sync + aio used, else ignored */ +/**********************************************************************//** +Waits for an aio operation to complete. This function is used to write the +handler for completed requests. The aio array of pending requests is divided +into segments (see os0file.c for more info). The thread specifies which +segment it wants to wait for. */ +UNIV_INTERN +void +fil_aio_wait( +/*=========*/ + ulint segment); /*!< in: the number of the segment in the aio + array to wait for */ +/**********************************************************************//** +Flushes to disk possible writes cached by the OS. If the space does not exist +or is being dropped, does not do anything. */ +UNIV_INTERN +void +fil_flush( +/*======*/ + ulint space_id); /*!< in: file space id (this can be a group of + log files or a tablespace of the database) */ +/**********************************************************************//** +Flushes to disk writes in file spaces of the given type possibly cached by +the OS. */ +UNIV_INTERN +void +fil_flush_file_spaces( +/*==================*/ + ulint purpose); /*!< in: FIL_TABLESPACE, FIL_LOG */ +/******************************************************************//** +Checks the consistency of the tablespace cache. +@return TRUE if ok */ +UNIV_INTERN +ibool +fil_validate(void); +/*==============*/ +/********************************************************************//** +Returns TRUE if file address is undefined. +@return TRUE if undefined */ +UNIV_INTERN +ibool +fil_addr_is_null( +/*=============*/ + fil_addr_t addr); /*!< in: address */ +/********************************************************************//** +Get the predecessor of a file page. +@return FIL_PAGE_PREV */ +UNIV_INTERN +ulint +fil_page_get_prev( +/*==============*/ + const byte* page); /*!< in: file page */ +/********************************************************************//** +Get the successor of a file page. +@return FIL_PAGE_NEXT */ +UNIV_INTERN +ulint +fil_page_get_next( +/*==============*/ + const byte* page); /*!< in: file page */ +/*********************************************************************//** +Sets the file page type. */ +UNIV_INTERN +void +fil_page_set_type( +/*==============*/ + byte* page, /*!< in/out: file page */ + ulint type); /*!< in: type */ +/*********************************************************************//** +Gets the file page type. +@return type; NOTE that if the type has not been written to page, the +return value not defined */ +UNIV_INTERN +ulint +fil_page_get_type( +/*==============*/ + const byte* page); /*!< in: file page */ + + +typedef struct fil_space_struct fil_space_t; + +#endif diff --git a/perfschema/include/fsp0fsp.h b/perfschema/include/fsp0fsp.h new file mode 100644 index 00000000000..7abd3914eda --- /dev/null +++ b/perfschema/include/fsp0fsp.h @@ -0,0 +1,359 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/fsp0fsp.h +File space management + +Created 12/18/1995 Heikki Tuuri +*******************************************************/ + +#ifndef fsp0fsp_h +#define fsp0fsp_h + +#include "univ.i" + +#include "mtr0mtr.h" +#include "fut0lst.h" +#include "ut0byte.h" +#include "page0types.h" +#include "fsp0types.h" + +/**********************************************************************//** +Initializes the file space system. */ +UNIV_INTERN +void +fsp_init(void); +/*==========*/ +/**********************************************************************//** +Gets the current free limit of the system tablespace. The free limit +means the place of the first page which has never been put to the +free list for allocation. The space above that address is initialized +to zero. Sets also the global variable log_fsp_current_free_limit. +@return free limit in megabytes */ +UNIV_INTERN +ulint +fsp_header_get_free_limit(void); +/*===========================*/ +/**********************************************************************//** +Gets the size of the system tablespace from the tablespace header. If +we do not have an auto-extending data file, this should be equal to +the size of the data files. If there is an auto-extending data file, +this can be smaller. +@return size in pages */ +UNIV_INTERN +ulint +fsp_header_get_tablespace_size(void); +/*================================*/ +/**********************************************************************//** +Reads the file space size stored in the header page. +@return tablespace size stored in the space header */ +UNIV_INTERN +ulint +fsp_get_size_low( +/*=============*/ + page_t* page); /*!< in: header page (page 0 in the tablespace) */ +/**********************************************************************//** +Reads the space id from the first page of a tablespace. +@return space id, ULINT UNDEFINED if error */ +UNIV_INTERN +ulint +fsp_header_get_space_id( +/*====================*/ + const page_t* page); /*!< in: first page of a tablespace */ +/**********************************************************************//** +Reads the space flags from the first page of a tablespace. +@return flags */ +UNIV_INTERN +ulint +fsp_header_get_flags( +/*=================*/ + const page_t* page); /*!< in: first page of a tablespace */ +/**********************************************************************//** +Reads the compressed page size from the first page of a tablespace. +@return compressed page size in bytes, or 0 if uncompressed */ +UNIV_INTERN +ulint +fsp_header_get_zip_size( +/*====================*/ + const page_t* page); /*!< in: first page of a tablespace */ +/**********************************************************************//** +Writes the space id and compressed page size to a tablespace header. +This function is used past the buffer pool when we in fil0fil.c create +a new single-table tablespace. */ +UNIV_INTERN +void +fsp_header_init_fields( +/*===================*/ + page_t* page, /*!< in/out: first page in the space */ + ulint space_id, /*!< in: space id */ + ulint flags); /*!< in: tablespace flags (FSP_SPACE_FLAGS): + 0, or table->flags if newer than COMPACT */ +/**********************************************************************//** +Initializes the space header of a new created space and creates also the +insert buffer tree root if space == 0. */ +UNIV_INTERN +void +fsp_header_init( +/*============*/ + ulint space, /*!< in: space id */ + ulint size, /*!< in: current size in blocks */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/**********************************************************************//** +Increases the space size field of a space. */ +UNIV_INTERN +void +fsp_header_inc_size( +/*================*/ + ulint space, /*!< in: space id */ + ulint size_inc,/*!< in: size increment in pages */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/**********************************************************************//** +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ +UNIV_INTERN +buf_block_t* +fseg_create( +/*========*/ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if + this is != 0, the page must belong to another segment, + if this is 0, a new page will be allocated and it + will belong to the created segment */ + ulint byte_offset, /*!< in: byte offset of the created segment header + on the page */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Creates a new segment. +@return the block where the segment header is placed, x-latched, NULL +if could not create segment because of lack of space */ +UNIV_INTERN +buf_block_t* +fseg_create_general( +/*================*/ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page where the segment header is placed: if + this is != 0, the page must belong to another segment, + if this is 0, a new page will be allocated and it + will belong to the created segment */ + ulint byte_offset, /*!< in: byte offset of the created segment header + on the page */ + ibool has_done_reservation, /*!< in: TRUE if the caller has already + done the reservation for the pages with + fsp_reserve_free_extents (at least 2 extents: one for + the inode and the other for the segment) then there is + no need to do the check for this individual + operation */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Calculates the number of pages reserved by a segment, and how many pages are +currently used. +@return number of reserved pages */ +UNIV_INTERN +ulint +fseg_n_reserved_pages( +/*==================*/ + fseg_header_t* header, /*!< in: segment header */ + ulint* used, /*!< out: number of pages used (<= reserved) */ + mtr_t* mtr); /*!< in: mtr handle */ +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize +file space fragmentation. +@return the allocated page offset FIL_NULL if no page could be allocated */ +UNIV_INTERN +ulint +fseg_alloc_free_page( +/*=================*/ + fseg_header_t* seg_header, /*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction, /*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + mtr_t* mtr); /*!< in: mtr handle */ +/**********************************************************************//** +Allocates a single free page from a segment. This function implements +the intelligent allocation strategy which tries to minimize file space +fragmentation. +@return allocated page offset, FIL_NULL if no page could be allocated */ +UNIV_INTERN +ulint +fseg_alloc_free_page_general( +/*=========================*/ + fseg_header_t* seg_header,/*!< in: segment header */ + ulint hint, /*!< in: hint of which page would be desirable */ + byte direction,/*!< in: if the new page is needed because + of an index page split, and records are + inserted there in order, into which + direction they go alphabetically: FSP_DOWN, + FSP_UP, FSP_NO_DIR */ + ibool has_done_reservation, /*!< in: TRUE if the caller has + already done the reservation for the page + with fsp_reserve_free_extents, then there + is no need to do the check for this individual + page */ + mtr_t* mtr); /*!< in: mtr handle */ +/**********************************************************************//** +Reserves free pages from a tablespace. All mini-transactions which may +use several pages from the tablespace should call this function beforehand +and reserve enough free extents so that they certainly will be able +to do their operation, like a B-tree page split, fully. Reservations +must be released with function fil_space_release_free_extents! + +The alloc_type below has the following meaning: FSP_NORMAL means an +operation which will probably result in more space usage, like an +insert in a B-tree; FSP_UNDO means allocation to undo logs: if we are +deleting rows, then this allocation will in the long run result in +less space usage (after a purge); FSP_CLEANING means allocation done +in a physical record delete (like in a purge) or other cleaning operation +which will result in less space usage in the long run. We prefer the latter +two types of allocation: when space is scarce, FSP_NORMAL allocations +will not succeed, but the latter two allocations will succeed, if possible. +The purpose is to avoid dead end where the database is full but the +user cannot free any space because these freeing operations temporarily +reserve some space. + +Single-table tablespaces whose size is < 32 pages are a special case. In this +function we would liberally reserve several 64 page extents for every page +split or merge in a B-tree. But we do not want to waste disk space if the table +only occupies < 32 pages. That is why we apply different rules in that special +case, just ensuring that there are 3 free pages available. +@return TRUE if we were able to make the reservation */ +UNIV_INTERN +ibool +fsp_reserve_free_extents( +/*=====================*/ + ulint* n_reserved,/*!< out: number of extents actually reserved; if we + return TRUE and the tablespace size is < 64 pages, + then this can be 0, otherwise it is n_ext */ + ulint space, /*!< in: space id */ + ulint n_ext, /*!< in: number of extents to reserve */ + ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +This function should be used to get information on how much we still +will be able to insert new data to the database without running out the +tablespace. Only free extents are taken into account and we also subtract +the safety margin required by the above function fsp_reserve_free_extents. +@return available space in kB */ +UNIV_INTERN +ullint +fsp_get_available_space_in_free_extents( +/*====================================*/ + ulint space); /*!< in: space id */ +/**********************************************************************//** +Frees a single page of a segment. */ +UNIV_INTERN +void +fseg_free_page( +/*===========*/ + fseg_header_t* seg_header, /*!< in: segment header */ + ulint space, /*!< in: space id */ + ulint page, /*!< in: page offset */ + mtr_t* mtr); /*!< in: mtr handle */ +/**********************************************************************//** +Frees part of a segment. This function can be used to free a segment +by repeatedly calling this function in different mini-transactions. +Doing the freeing in a single mini-transaction might result in +too big a mini-transaction. +@return TRUE if freeing completed */ +UNIV_INTERN +ibool +fseg_free_step( +/*===========*/ + fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header + resides on the first page of the frag list + of the segment, this pointer becomes obsolete + after the last freeing step */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Frees part of a segment. Differs from fseg_free_step because this function +leaves the header page unfreed. +@return TRUE if freeing completed, except the header page */ +UNIV_INTERN +ibool +fseg_free_step_not_header( +/*======================*/ + fseg_header_t* header, /*!< in: segment header which must reside on + the first fragment page of the segment */ + mtr_t* mtr); /*!< in: mtr */ +/***********************************************************************//** +Checks if a page address is an extent descriptor page address. +@return TRUE if a descriptor page */ +UNIV_INLINE +ibool +fsp_descr_page( +/*===========*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no);/*!< in: page number */ +/***********************************************************//** +Parses a redo log record of a file page init. +@return end of log record or NULL */ +UNIV_INTERN +byte* +fsp_parse_init_file_page( +/*=====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr, /*!< in: buffer end */ + buf_block_t* block); /*!< in: block or NULL */ +/*******************************************************************//** +Validates the file space system and its segments. +@return TRUE if ok */ +UNIV_INTERN +ibool +fsp_validate( +/*=========*/ + ulint space); /*!< in: space id */ +/*******************************************************************//** +Prints info of a file space. */ +UNIV_INTERN +void +fsp_print( +/*======*/ + ulint space); /*!< in: space id */ +#ifdef UNIV_DEBUG +/*******************************************************************//** +Validates a segment. +@return TRUE if ok */ +UNIV_INTERN +ibool +fseg_validate( +/*==========*/ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* UNIV_DEBUG */ +#ifdef UNIV_BTR_PRINT +/*******************************************************************//** +Writes info of a segment. */ +UNIV_INTERN +void +fseg_print( +/*=======*/ + fseg_header_t* header, /*!< in: segment header */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* UNIV_BTR_PRINT */ + +#ifndef UNIV_NONINL +#include "fsp0fsp.ic" +#endif + +#endif diff --git a/perfschema/include/fsp0fsp.ic b/perfschema/include/fsp0fsp.ic new file mode 100644 index 00000000000..434c370b527 --- /dev/null +++ b/perfschema/include/fsp0fsp.ic @@ -0,0 +1,45 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/fsp0fsp.ic +File space management + +Created 12/18/1995 Heikki Tuuri +*******************************************************/ + +/***********************************************************************//** +Checks if a page address is an extent descriptor page address. +@return TRUE if a descriptor page */ +UNIV_INLINE +ibool +fsp_descr_page( +/*===========*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no)/*!< in: page number */ +{ + ut_ad(ut_is_2pow(zip_size)); + + if (!zip_size) { + return(UNIV_UNLIKELY((page_no & (UNIV_PAGE_SIZE - 1)) + == FSP_XDES_OFFSET)); + } + + return(UNIV_UNLIKELY((page_no & (zip_size - 1)) == FSP_XDES_OFFSET)); +} diff --git a/perfschema/include/fsp0types.h b/perfschema/include/fsp0types.h new file mode 100644 index 00000000000..496081c2346 --- /dev/null +++ b/perfschema/include/fsp0types.h @@ -0,0 +1,110 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/****************************************************** +@file include/fsp0types.h +File space management types + +Created May 26, 2009 Vasil Dimov +*******************************************************/ + +#ifndef fsp0types_h +#define fsp0types_h + +#include "univ.i" + +#include "fil0fil.h" /* for FIL_PAGE_DATA */ + +/** @name Flags for inserting records in order +If records are inserted in order, there are the following +flags to tell this (their type is made byte for the compiler +to warn if direction and hint parameters are switched in +fseg_alloc_free_page) */ +/* @{ */ +#define FSP_UP ((byte)111) /*!< alphabetically upwards */ +#define FSP_DOWN ((byte)112) /*!< alphabetically downwards */ +#define FSP_NO_DIR ((byte)113) /*!< no order */ +/* @} */ + +/** File space extent size (one megabyte) in pages */ +#define FSP_EXTENT_SIZE (1 << (20 - UNIV_PAGE_SIZE_SHIFT)) + +/** On a page of any file segment, data may be put starting from this +offset */ +#define FSEG_PAGE_DATA FIL_PAGE_DATA + +/** @name File segment header +The file segment header points to the inode describing the file segment. */ +/* @{ */ +/** Data type for file segment header */ +typedef byte fseg_header_t; + +#define FSEG_HDR_SPACE 0 /*!< space id of the inode */ +#define FSEG_HDR_PAGE_NO 4 /*!< page number of the inode */ +#define FSEG_HDR_OFFSET 8 /*!< byte offset of the inode */ + +#define FSEG_HEADER_SIZE 10 /*!< Length of the file system + header, in bytes */ +/* @} */ + +/** Flags for fsp_reserve_free_extents @{ */ +#define FSP_NORMAL 1000000 +#define FSP_UNDO 2000000 +#define FSP_CLEANING 3000000 +/* @} */ + +/* Number of pages described in a single descriptor page: currently each page +description takes less than 1 byte; a descriptor page is repeated every +this many file pages */ +/* #define XDES_DESCRIBED_PER_PAGE UNIV_PAGE_SIZE */ +/* This has been replaced with either UNIV_PAGE_SIZE or page_zip->size. */ + +/** @name The space low address page map +The pages at FSP_XDES_OFFSET and FSP_IBUF_BITMAP_OFFSET are repeated +every XDES_DESCRIBED_PER_PAGE pages in every tablespace. */ +/* @{ */ +/*--------------------------------------*/ +#define FSP_XDES_OFFSET 0 /* !< extent descriptor */ +#define FSP_IBUF_BITMAP_OFFSET 1 /* !< insert buffer bitmap */ + /* The ibuf bitmap pages are the ones whose + page number is the number above plus a + multiple of XDES_DESCRIBED_PER_PAGE */ + +#define FSP_FIRST_INODE_PAGE_NO 2 /*!< in every tablespace */ + /* The following pages exist + in the system tablespace (space 0). */ +#define FSP_IBUF_HEADER_PAGE_NO 3 /*!< insert buffer + header page, in + tablespace 0 */ +#define FSP_IBUF_TREE_ROOT_PAGE_NO 4 /*!< insert buffer + B-tree root page in + tablespace 0 */ + /* The ibuf tree root page number in + tablespace 0; its fseg inode is on the page + number FSP_FIRST_INODE_PAGE_NO */ +#define FSP_TRX_SYS_PAGE_NO 5 /*!< transaction + system header, in + tablespace 0 */ +#define FSP_FIRST_RSEG_PAGE_NO 6 /*!< first rollback segment + page, in tablespace 0 */ +#define FSP_DICT_HDR_PAGE_NO 7 /*!< data dictionary header + page, in tablespace 0 */ +/*--------------------------------------*/ +/* @} */ + +#endif /* fsp0types_h */ diff --git a/perfschema/include/fut0fut.h b/perfschema/include/fut0fut.h new file mode 100644 index 00000000000..dce20b3bad6 --- /dev/null +++ b/perfschema/include/fut0fut.h @@ -0,0 +1,55 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/fut0fut.h +File-based utilities + +Created 12/13/1995 Heikki Tuuri +***********************************************************************/ + + +#ifndef fut0fut_h +#define fut0fut_h + +#include "univ.i" + +#include "fil0fil.h" +#include "mtr0mtr.h" + +/********************************************************************//** +Gets a pointer to a file address and latches the page. +@return pointer to a byte in a frame; the file page in the frame is +bufferfixed and latched */ +UNIV_INLINE +byte* +fut_get_ptr( +/*========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fil_addr_t addr, /*!< in: file address */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ + mtr_t* mtr); /*!< in: mtr handle */ + +#ifndef UNIV_NONINL +#include "fut0fut.ic" +#endif + +#endif + diff --git a/perfschema/include/fut0fut.ic b/perfschema/include/fut0fut.ic new file mode 100644 index 00000000000..0b52719a055 --- /dev/null +++ b/perfschema/include/fut0fut.ic @@ -0,0 +1,56 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/fut0fut.ic +File-based utilities + +Created 12/13/1995 Heikki Tuuri +***********************************************************************/ + +#include "sync0rw.h" +#include "buf0buf.h" + +/********************************************************************//** +Gets a pointer to a file address and latches the page. +@return pointer to a byte in a frame; the file page in the frame is +bufferfixed and latched */ +UNIV_INLINE +byte* +fut_get_ptr( +/*========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + fil_addr_t addr, /*!< in: file address */ + ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr handle */ +{ + buf_block_t* block; + byte* ptr; + + ut_ad(addr.boffset < UNIV_PAGE_SIZE); + ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); + + block = buf_page_get(space, zip_size, addr.page, rw_latch, mtr); + ptr = buf_block_get_frame(block) + addr.boffset; + + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + return(ptr); +} diff --git a/perfschema/include/fut0lst.h b/perfschema/include/fut0lst.h new file mode 100644 index 00000000000..fe024c2498f --- /dev/null +++ b/perfschema/include/fut0lst.h @@ -0,0 +1,217 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/fut0lst.h +File-based list utilities + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#ifndef fut0lst_h +#define fut0lst_h + +#include "univ.i" + +#include "fil0fil.h" +#include "mtr0mtr.h" + + +/* The C 'types' of base node and list node: these should be used to +write self-documenting code. Of course, the sizeof macro cannot be +applied to these types! */ + +typedef byte flst_base_node_t; +typedef byte flst_node_t; + +/* The physical size of a list base node in bytes */ +#define FLST_BASE_NODE_SIZE (4 + 2 * FIL_ADDR_SIZE) + +/* The physical size of a list node in bytes */ +#define FLST_NODE_SIZE (2 * FIL_ADDR_SIZE) + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Initializes a list base node. */ +UNIV_INLINE +void +flst_init( +/*======*/ + flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Adds a node as the last node in a list. */ +UNIV_INTERN +void +flst_add_last( +/*==========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Adds a node as the first node in a list. */ +UNIV_INTERN +void +flst_add_first( +/*===========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Inserts a node after another in a list. */ +UNIV_INTERN +void +flst_insert_after( +/*==============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node1, /*!< in: node to insert after */ + flst_node_t* node2, /*!< in: node to add */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Inserts a node before another in a list. */ +UNIV_INTERN +void +flst_insert_before( +/*===============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to insert */ + flst_node_t* node3, /*!< in: node to insert before */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Removes a node. */ +UNIV_INTERN +void +flst_remove( +/*========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: node to remove */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Cuts off the tail of the list, including the node given. The number of +nodes which will be removed must be provided by the caller, as this function +does not measure the length of the tail. */ +UNIV_INTERN +void +flst_cut_end( +/*=========*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node to remove */ + ulint n_nodes,/*!< in: number of nodes to remove, + must be >= 1 */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Cuts off the tail of the list, not including the given node. The number of +nodes which will be removed must be provided by the caller, as this function +does not measure the length of the tail. */ +UNIV_INTERN +void +flst_truncate_end( +/*==============*/ + flst_base_node_t* base, /*!< in: pointer to base node of list */ + flst_node_t* node2, /*!< in: first node not to remove */ + ulint n_nodes,/*!< in: number of nodes to remove */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Gets list length. +@return length */ +UNIV_INLINE +ulint +flst_get_len( +/*=========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Gets list first node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_first( +/*===========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Gets list last node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_last( +/*==========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Gets list next node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_next_addr( +/*===============*/ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Gets list prev node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_prev_addr( +/*===============*/ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Writes a file address. */ +UNIV_INLINE +void +flst_write_addr( +/*============*/ + fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + fil_addr_t addr, /*!< in: file address */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Reads a file address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_read_addr( +/*===========*/ + const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************************//** +Validates a file-based list. +@return TRUE if ok */ +UNIV_INTERN +ibool +flst_validate( +/*==========*/ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr1); /*!< in: mtr */ +/********************************************************************//** +Prints info of a file-based list. */ +UNIV_INTERN +void +flst_print( +/*=======*/ + const flst_base_node_t* base, /*!< in: pointer to base node of list */ + mtr_t* mtr); /*!< in: mtr */ + + +#ifndef UNIV_NONINL +#include "fut0lst.ic" +#endif + +#endif /* !UNIV_HOTBACKUP */ + +#endif diff --git a/perfschema/include/fut0lst.ic b/perfschema/include/fut0lst.ic new file mode 100644 index 00000000000..dcd13c61871 --- /dev/null +++ b/perfschema/include/fut0lst.ic @@ -0,0 +1,167 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/fut0lst.ic +File-based list utilities + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#include "fut0fut.h" +#include "mtr0log.h" +#include "buf0buf.h" + +/* We define the field offsets of a node for the list */ +#define FLST_PREV 0 /* 6-byte address of the previous list element; + the page part of address is FIL_NULL, if no + previous element */ +#define FLST_NEXT FIL_ADDR_SIZE /* 6-byte address of the next + list element; the page part of address + is FIL_NULL, if no next element */ + +/* We define the field offsets of a base node for the list */ +#define FLST_LEN 0 /* 32-bit list length field */ +#define FLST_FIRST 4 /* 6-byte address of the first element + of the list; undefined if empty list */ +#define FLST_LAST (4 + FIL_ADDR_SIZE) /* 6-byte address of the + last element of the list; undefined + if empty list */ + +/********************************************************************//** +Writes a file address. */ +UNIV_INLINE +void +flst_write_addr( +/*============*/ + fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + fil_addr_t addr, /*!< in: file address */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(faddr && mtr); + ut_ad(mtr_memo_contains_page(mtr, faddr, MTR_MEMO_PAGE_X_FIX)); + ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); + ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); + + mlog_write_ulint(faddr + FIL_ADDR_PAGE, addr.page, MLOG_4BYTES, mtr); + mlog_write_ulint(faddr + FIL_ADDR_BYTE, addr.boffset, + MLOG_2BYTES, mtr); +} + +/********************************************************************//** +Reads a file address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_read_addr( +/*===========*/ + const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + fil_addr_t addr; + + ut_ad(faddr && mtr); + + addr.page = mtr_read_ulint(faddr + FIL_ADDR_PAGE, MLOG_4BYTES, mtr); + addr.boffset = mtr_read_ulint(faddr + FIL_ADDR_BYTE, MLOG_2BYTES, + mtr); + ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); + ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); + return(addr); +} + +/********************************************************************//** +Initializes a list base node. */ +UNIV_INLINE +void +flst_init( +/*======*/ + flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); + + mlog_write_ulint(base + FLST_LEN, 0, MLOG_4BYTES, mtr); + flst_write_addr(base + FLST_FIRST, fil_addr_null, mtr); + flst_write_addr(base + FLST_LAST, fil_addr_null, mtr); +} + +/********************************************************************//** +Gets list length. +@return length */ +UNIV_INLINE +ulint +flst_get_len( +/*=========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + return(mtr_read_ulint(base + FLST_LEN, MLOG_4BYTES, mtr)); +} + +/********************************************************************//** +Gets list first node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_first( +/*===========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + return(flst_read_addr(base + FLST_FIRST, mtr)); +} + +/********************************************************************//** +Gets list last node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_last( +/*==========*/ + const flst_base_node_t* base, /*!< in: pointer to base node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + return(flst_read_addr(base + FLST_LAST, mtr)); +} + +/********************************************************************//** +Gets list next node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_next_addr( +/*===============*/ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + return(flst_read_addr(node + FLST_NEXT, mtr)); +} + +/********************************************************************//** +Gets list prev node address. +@return file address */ +UNIV_INLINE +fil_addr_t +flst_get_prev_addr( +/*===============*/ + const flst_node_t* node, /*!< in: pointer to node */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + return(flst_read_addr(node + FLST_PREV, mtr)); +} diff --git a/perfschema/include/ha0ha.h b/perfschema/include/ha0ha.h new file mode 100644 index 00000000000..1ffbd3440aa --- /dev/null +++ b/perfschema/include/ha0ha.h @@ -0,0 +1,241 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ha0ha.h +The hash table with external chains + +Created 8/18/1994 Heikki Tuuri +*******************************************************/ + +#ifndef ha0ha_h +#define ha0ha_h + +#include "univ.i" + +#include "hash0hash.h" +#include "page0types.h" +#include "buf0types.h" + +/*************************************************************//** +Looks for an element in a hash table. +@return pointer to the data of the first hash table node in chain +having the fold number, NULL if not found */ +UNIV_INLINE +void* +ha_search_and_get_data( +/*===================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: folded value of the searched data */ +/*********************************************************//** +Looks for an element when we know the pointer to the data and updates +the pointer to data if found. */ +UNIV_INTERN +void +ha_search_and_update_if_found_func( +/*===============================*/ + hash_table_t* table, /*!< in/out: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data, /*!< in: pointer to the data */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* new_block,/*!< in: block containing new_data */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* new_data);/*!< in: new pointer to the data */ + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** Looks for an element when we know the pointer to the data and +updates the pointer to data if found. +@param table in/out: hash table +@param fold in: folded value of the searched data +@param data in: pointer to the data +@param new_block in: block containing new_data +@param new_data in: new pointer to the data */ +# define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ + ha_search_and_update_if_found_func(table,fold,data,new_block,new_data) +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** Looks for an element when we know the pointer to the data and +updates the pointer to data if found. +@param table in/out: hash table +@param fold in: folded value of the searched data +@param data in: pointer to the data +@param new_block ignored: block containing new_data +@param new_data in: new pointer to the data */ +# define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ + ha_search_and_update_if_found_func(table,fold,data,new_data) +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/*************************************************************//** +Creates a hash table with at least n array cells. The actual number +of cells is chosen to be a prime number slightly bigger than n. +@return own: created table */ +UNIV_INTERN +hash_table_t* +ha_create_func( +/*===========*/ + ulint n, /*!< in: number of array cells */ +#ifdef UNIV_SYNC_DEBUG + ulint mutex_level, /*!< in: level of the mutexes in the latching + order: this is used in the debug version */ +#endif /* UNIV_SYNC_DEBUG */ + ulint n_mutexes); /*!< in: number of mutexes to protect the + hash table: must be a power of 2, or 0 */ +#ifdef UNIV_SYNC_DEBUG +/** Creates a hash table. +@return own: created table +@param n_c in: number of array cells. The actual number of cells is +chosen to be a slightly bigger prime number. +@param level in: level of the mutexes in the latching order +@param n_m in: number of mutexes to protect the hash table; + must be a power of 2, or 0 */ +# define ha_create(n_c,n_m,level) ha_create_func(n_c,level,n_m) +#else /* UNIV_SYNC_DEBUG */ +/** Creates a hash table. +@return own: created table +@param n_c in: number of array cells. The actual number of cells is +chosen to be a slightly bigger prime number. +@param level in: level of the mutexes in the latching order +@param n_m in: number of mutexes to protect the hash table; + must be a power of 2, or 0 */ +# define ha_create(n_c,n_m,level) ha_create_func(n_c,n_m) +#endif /* UNIV_SYNC_DEBUG */ + +/*************************************************************//** +Empties a hash table and frees the memory heaps. */ +UNIV_INTERN +void +ha_clear( +/*=====*/ + hash_table_t* table); /*!< in, own: hash table */ + +/*************************************************************//** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated */ +UNIV_INTERN +ibool +ha_insert_for_fold_func( +/*====================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of data; if a node with + the same fold value already exists, it is + updated to point to the same data, and no new + node is created! */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* block, /*!< in: buffer block containing the data */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* data); /*!< in: data, must not be NULL */ + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated +@param t in: hash table +@param f in: folded value of data +@param b in: buffer block containing the data +@param d in: data, must not be NULL */ +# define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,b,d) +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** +Inserts an entry into a hash table. If an entry with the same fold number +is found, its node is updated to point to the new data, and no new node +is inserted. +@return TRUE if succeed, FALSE if no more memory could be allocated +@param t in: hash table +@param f in: folded value of data +@param b ignored: buffer block containing the data +@param d in: data, must not be NULL */ +# define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,d) +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + +/*********************************************************//** +Looks for an element when we know the pointer to the data and deletes +it from the hash table if found. +@return TRUE if found */ +UNIV_INLINE +ibool +ha_search_and_delete_if_found( +/*==========================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data); /*!< in: pointer to the data */ +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Removes from the chain determined by fold all nodes whose data pointer +points to the page given. */ +UNIV_INTERN +void +ha_remove_all_nodes_to_page( +/*========================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: fold value */ + const page_t* page); /*!< in: buffer page */ +/*************************************************************//** +Validates a given range of the cells in hash table. +@return TRUE if ok */ +UNIV_INTERN +ibool +ha_validate( +/*========*/ + hash_table_t* table, /*!< in: hash table */ + ulint start_index, /*!< in: start index */ + ulint end_index); /*!< in: end index */ +/*************************************************************//** +Prints info of a hash table. */ +UNIV_INTERN +void +ha_print_info( +/*==========*/ + FILE* file, /*!< in: file where to print */ + hash_table_t* table); /*!< in: hash table */ +#endif /* !UNIV_HOTBACKUP */ + +/** The hash table external chain node */ +typedef struct ha_node_struct ha_node_t; + +/** The hash table external chain node */ +struct ha_node_struct { + ha_node_t* next; /*!< next chain node or NULL if none */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* block; /*!< buffer block containing the data, or NULL */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* data; /*!< pointer to the data */ + ulint fold; /*!< fold value for the data */ +}; + +#ifndef UNIV_HOTBACKUP +/** Assert that the current thread is holding the mutex protecting a +hash bucket corresponding to a fold value. +@param table in: hash table +@param fold in: fold value */ +# define ASSERT_HASH_MUTEX_OWN(table, fold) \ + ut_ad(!(table)->mutexes || mutex_own(hash_get_mutex(table, fold))) +#else /* !UNIV_HOTBACKUP */ +/** Assert that the current thread is holding the mutex protecting a +hash bucket corresponding to a fold value. +@param table in: hash table +@param fold in: fold value */ +# define ASSERT_HASH_MUTEX_OWN(table, fold) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "ha0ha.ic" +#endif + +#endif diff --git a/perfschema/include/ha0ha.ic b/perfschema/include/ha0ha.ic new file mode 100644 index 00000000000..734403c4cd9 --- /dev/null +++ b/perfschema/include/ha0ha.ic @@ -0,0 +1,220 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/ha0ha.ic +The hash table with external chains + +Created 8/18/1994 Heikki Tuuri +*************************************************************************/ + +#include "ut0rnd.h" +#include "mem0mem.h" + +/***********************************************************//** +Deletes a hash node. */ +UNIV_INTERN +void +ha_delete_hash_node( +/*================*/ + hash_table_t* table, /*!< in: hash table */ + ha_node_t* del_node); /*!< in: node to be deleted */ + +/******************************************************************//** +Gets a hash node data. +@return pointer to the data */ +UNIV_INLINE +void* +ha_node_get_data( +/*=============*/ + ha_node_t* node) /*!< in: hash chain node */ +{ + return(node->data); +} + +/******************************************************************//** +Sets hash node data. */ +UNIV_INLINE +void +ha_node_set_data_func( +/*==================*/ + ha_node_t* node, /*!< in: hash chain node */ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + buf_block_t* block, /*!< in: buffer block containing the data */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + void* data) /*!< in: pointer to the data */ +{ +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG + node->block = block; +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + node->data = data; +} + +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +/** Sets hash node data. +@param n in: hash chain node +@param b in: buffer block containing the data +@param d in: pointer to the data */ +# define ha_node_set_data(n,b,d) ha_node_set_data_func(n,b,d) +#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +/** Sets hash node data. +@param n in: hash chain node +@param b in: buffer block containing the data +@param d in: pointer to the data */ +# define ha_node_set_data(n,b,d) ha_node_set_data_func(n,d) +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + +/******************************************************************//** +Gets the next node in a hash chain. +@return next node, NULL if none */ +UNIV_INLINE +ha_node_t* +ha_chain_get_next( +/*==============*/ + ha_node_t* node) /*!< in: hash chain node */ +{ + return(node->next); +} + +/******************************************************************//** +Gets the first node in a hash chain. +@return first node, NULL if none */ +UNIV_INLINE +ha_node_t* +ha_chain_get_first( +/*===============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold value determining the chain */ +{ + return((ha_node_t*) + hash_get_nth_cell(table, hash_calc_hash(fold, table))->node); +} + +/*************************************************************//** +Looks for an element in a hash table. +@return pointer to the first hash table node in chain having the fold +number, NULL if not found */ +UNIV_INLINE +ha_node_t* +ha_search( +/*======*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: folded value of the searched data */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); + + node = ha_chain_get_first(table, fold); + + while (node) { + if (node->fold == fold) { + + return(node); + } + + node = ha_chain_get_next(node); + } + + return(NULL); +} + +/*************************************************************//** +Looks for an element in a hash table. +@return pointer to the data of the first hash table node in chain +having the fold number, NULL if not found */ +UNIV_INLINE +void* +ha_search_and_get_data( +/*===================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: folded value of the searched data */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); + + node = ha_chain_get_first(table, fold); + + while (node) { + if (node->fold == fold) { + + return(node->data); + } + + node = ha_chain_get_next(node); + } + + return(NULL); +} + +/*********************************************************//** +Looks for an element when we know the pointer to the data. +@return pointer to the hash table node, NULL if not found in the table */ +UNIV_INLINE +ha_node_t* +ha_search_with_data( +/*================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data) /*!< in: pointer to the data */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); + + node = ha_chain_get_first(table, fold); + + while (node) { + if (node->data == data) { + + return(node); + } + + node = ha_chain_get_next(node); + } + + return(NULL); +} + +/*********************************************************//** +Looks for an element when we know the pointer to the data, and deletes +it from the hash table, if found. +@return TRUE if found */ +UNIV_INLINE +ibool +ha_search_and_delete_if_found( +/*==========================*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold, /*!< in: folded value of the searched data */ + void* data) /*!< in: pointer to the data */ +{ + ha_node_t* node; + + ASSERT_HASH_MUTEX_OWN(table, fold); + + node = ha_search_with_data(table, fold, data); + + if (node) { + ha_delete_hash_node(table, node); + + return(TRUE); + } + + return(FALSE); +} diff --git a/perfschema/include/ha0storage.h b/perfschema/include/ha0storage.h new file mode 100644 index 00000000000..c30bd840579 --- /dev/null +++ b/perfschema/include/ha0storage.h @@ -0,0 +1,140 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ha0storage.h +Hash storage. +Provides a data structure that stores chunks of data in +its own storage, avoiding duplicates. + +Created September 22, 2007 Vasil Dimov +*******************************************************/ + +#ifndef ha0storage_h +#define ha0storage_h + +#include "univ.i" + +/** This value is used by default by ha_storage_create(). More memory +is allocated later when/if it is needed. */ +#define HA_STORAGE_DEFAULT_HEAP_BYTES 1024 + +/** This value is used by default by ha_storage_create(). It is a +constant per ha_storage's lifetime. */ +#define HA_STORAGE_DEFAULT_HASH_CELLS 4096 + +/** Hash storage */ +typedef struct ha_storage_struct ha_storage_t; + +/*******************************************************************//** +Creates a hash storage. If any of the parameters is 0, then a default +value is used. +@return own: hash storage */ +UNIV_INLINE +ha_storage_t* +ha_storage_create( +/*==============*/ + ulint initial_heap_bytes, /*!< in: initial heap's size */ + ulint initial_hash_cells); /*!< in: initial number of cells + in the hash table */ + +/*******************************************************************//** +Copies data into the storage and returns a pointer to the copy. If the +same data chunk is already present, then pointer to it is returned. +Data chunks are considered to be equal if len1 == len2 and +memcmp(data1, data2, len1) == 0. If "data" is not present (and thus +data_len bytes need to be allocated) and the size of storage is going to +become more than "memlim" then "data" is not added and NULL is returned. +To disable this behavior "memlim" can be set to 0, which stands for +"no limit". +@return pointer to the copy */ +UNIV_INTERN +const void* +ha_storage_put_memlim( +/*==================*/ + ha_storage_t* storage, /*!< in/out: hash storage */ + const void* data, /*!< in: data to store */ + ulint data_len, /*!< in: data length */ + ulint memlim); /*!< in: memory limit to obey */ + +/*******************************************************************//** +Same as ha_storage_put_memlim() but without memory limit. +@param storage in/out: hash storage +@param data in: data to store +@param data_len in: data length +@return pointer to the copy of the string */ +#define ha_storage_put(storage, data, data_len) \ + ha_storage_put_memlim((storage), (data), (data_len), 0) + +/*******************************************************************//** +Copies string into the storage and returns a pointer to the copy. If the +same string is already present, then pointer to it is returned. +Strings are considered to be equal if strcmp(str1, str2) == 0. +@param storage in/out: hash storage +@param str in: string to put +@return pointer to the copy of the string */ +#define ha_storage_put_str(storage, str) \ + ((const char*) ha_storage_put((storage), (str), strlen(str) + 1)) + +/*******************************************************************//** +Copies string into the storage and returns a pointer to the copy obeying +a memory limit. +If the same string is already present, then pointer to it is returned. +Strings are considered to be equal if strcmp(str1, str2) == 0. +@param storage in/out: hash storage +@param str in: string to put +@param memlim in: memory limit to obey +@return pointer to the copy of the string */ +#define ha_storage_put_str_memlim(storage, str, memlim) \ + ((const char*) ha_storage_put_memlim((storage), (str), \ + strlen(str) + 1, (memlim))) + +/*******************************************************************//** +Empties a hash storage, freeing memory occupied by data chunks. +This invalidates any pointers previously returned by ha_storage_put(). +The hash storage is not invalidated itself and can be used again. */ +UNIV_INLINE +void +ha_storage_empty( +/*=============*/ + ha_storage_t** storage); /*!< in/out: hash storage */ + +/*******************************************************************//** +Frees a hash storage and everything it contains, it cannot be used after +this call. +This invalidates any pointers previously returned by ha_storage_put(). */ +UNIV_INLINE +void +ha_storage_free( +/*============*/ + ha_storage_t* storage); /*!< in, own: hash storage */ + +/*******************************************************************//** +Gets the size of the memory used by a storage. +@return bytes used */ +UNIV_INLINE +ulint +ha_storage_get_size( +/*================*/ + const ha_storage_t* storage); /*!< in: hash storage */ + +#ifndef UNIV_NONINL +#include "ha0storage.ic" +#endif + +#endif /* ha0storage_h */ diff --git a/perfschema/include/ha0storage.ic b/perfschema/include/ha0storage.ic new file mode 100644 index 00000000000..5acbf82f005 --- /dev/null +++ b/perfschema/include/ha0storage.ic @@ -0,0 +1,148 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ha0storage.ic +Hash storage. +Provides a data structure that stores chunks of data in +its own storage, avoiding duplicates. + +Created September 24, 2007 Vasil Dimov +*******************************************************/ + +#include "univ.i" +#include "ha0storage.h" +#include "hash0hash.h" +#include "mem0mem.h" + +/** Hash storage for strings */ +struct ha_storage_struct { + mem_heap_t* heap; /*!< memory heap from which memory is + allocated */ + hash_table_t* hash; /*!< hash table used to avoid + duplicates */ +}; + +/** Objects of this type are stored in ha_storage_t */ +typedef struct ha_storage_node_struct ha_storage_node_t; +/** Objects of this type are stored in ha_storage_struct */ +struct ha_storage_node_struct { + ulint data_len;/*!< length of the data */ + const void* data; /*!< pointer to data */ + ha_storage_node_t* next; /*!< next node in hash chain */ +}; + +/*******************************************************************//** +Creates a hash storage. If any of the parameters is 0, then a default +value is used. +@return own: hash storage */ +UNIV_INLINE +ha_storage_t* +ha_storage_create( +/*==============*/ + ulint initial_heap_bytes, /*!< in: initial heap's size */ + ulint initial_hash_cells) /*!< in: initial number of cells + in the hash table */ +{ + ha_storage_t* storage; + mem_heap_t* heap; + + if (initial_heap_bytes == 0) { + + initial_heap_bytes = HA_STORAGE_DEFAULT_HEAP_BYTES; + } + + if (initial_hash_cells == 0) { + + initial_hash_cells = HA_STORAGE_DEFAULT_HASH_CELLS; + } + + /* we put "storage" within "storage->heap" */ + + heap = mem_heap_create(sizeof(ha_storage_t) + + initial_heap_bytes); + + storage = (ha_storage_t*) mem_heap_alloc(heap, + sizeof(ha_storage_t)); + + storage->heap = heap; + storage->hash = hash_create(initial_hash_cells); + + return(storage); +} + +/*******************************************************************//** +Empties a hash storage, freeing memory occupied by data chunks. +This invalidates any pointers previously returned by ha_storage_put(). +The hash storage is not invalidated itself and can be used again. */ +UNIV_INLINE +void +ha_storage_empty( +/*=============*/ + ha_storage_t** storage) /*!< in/out: hash storage */ +{ + ha_storage_t temp_storage; + + temp_storage.heap = (*storage)->heap; + temp_storage.hash = (*storage)->hash; + + hash_table_clear(temp_storage.hash); + mem_heap_empty(temp_storage.heap); + + *storage = (ha_storage_t*) mem_heap_alloc(temp_storage.heap, + sizeof(ha_storage_t)); + + (*storage)->heap = temp_storage.heap; + (*storage)->hash = temp_storage.hash; +} + +/*******************************************************************//** +Frees a hash storage and everything it contains, it cannot be used after +this call. +This invalidates any pointers previously returned by ha_storage_put(). */ +UNIV_INLINE +void +ha_storage_free( +/*============*/ + ha_storage_t* storage) /*!< in, own: hash storage */ +{ + /* order is important because the pointer storage->hash is + within the heap */ + hash_table_free(storage->hash); + mem_heap_free(storage->heap); +} + +/*******************************************************************//** +Gets the size of the memory used by a storage. +@return bytes used */ +UNIV_INLINE +ulint +ha_storage_get_size( +/*================*/ + const ha_storage_t* storage) /*!< in: hash storage */ +{ + ulint ret; + + ret = mem_heap_get_size(storage->heap); + + /* this assumes hash->heap and hash->heaps are NULL */ + ret += sizeof(hash_table_t); + ret += sizeof(hash_cell_t) * hash_get_n_cells(storage->hash); + + return(ret); +} diff --git a/perfschema/include/ha_prototypes.h b/perfschema/include/ha_prototypes.h new file mode 100644 index 00000000000..b737a00b3dc --- /dev/null +++ b/perfschema/include/ha_prototypes.h @@ -0,0 +1,261 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ha_prototypes.h +Prototypes for global functions in ha_innodb.cc that are called by +InnoDB C code + +Created 5/11/2006 Osku Salerma +************************************************************************/ + +#ifndef HA_INNODB_PROTOTYPES_H +#define HA_INNODB_PROTOTYPES_H + +#include "trx0types.h" +#include "m_ctype.h" /* CHARSET_INFO */ + +/*********************************************************************//** +Wrapper around MySQL's copy_and_convert function. +@return number of bytes copied to 'to' */ +UNIV_INTERN +ulint +innobase_convert_string( +/*====================*/ + void* to, /*!< out: converted string */ + ulint to_length, /*!< in: number of bytes reserved + for the converted string */ + CHARSET_INFO* to_cs, /*!< in: character set to convert to */ + const void* from, /*!< in: string to convert */ + ulint from_length, /*!< in: number of bytes to convert */ + CHARSET_INFO* from_cs, /*!< in: character set to convert from */ + uint* errors); /*!< out: number of errors encountered + during the conversion */ + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes +the result to "buf". The result is converted to "system_charset_info". +Not more than "buf_size" bytes are written to "buf". +The result is always NUL-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating NUL). +@return number of bytes that were written */ +UNIV_INTERN +ulint +innobase_raw_format( +/*================*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + ulint charset_coll, /*!< in: charset collation */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size + in bytes */ + +/*****************************************************************//** +Invalidates the MySQL query cache for the table. */ +UNIV_INTERN +void +innobase_invalidate_query_cache( +/*============================*/ + trx_t* trx, /*!< in: transaction which + modifies the table */ + const char* full_name, /*!< in: concatenation of + database name, null char NUL, + table name, null char NUL; + NOTE that in Windows this is + always in LOWER CASE! */ + ulint full_name_len); /*!< in: full name length where + also the null chars count */ + +/*****************************************************************//** +Convert a table or index name to the MySQL system_charset_info (UTF-8) +and quote it if needed. +@return pointer to the end of buf */ +UNIV_INTERN +char* +innobase_convert_name( +/*==================*/ + char* buf, /*!< out: buffer for converted identifier */ + ulint buflen, /*!< in: length of buf, in bytes */ + const char* id, /*!< in: identifier to convert */ + ulint idlen, /*!< in: length of id, in bytes */ + void* thd, /*!< in: MySQL connection thread, or NULL */ + ibool table_id);/*!< in: TRUE=id is a table or database name; + FALSE=id is an index name */ + +/******************************************************************//** +Returns true if the thread is the replication thread on the slave +server. Used in srv_conc_enter_innodb() to determine if the thread +should be allowed to enter InnoDB - the replication thread is treated +differently than other threads. Also used in +srv_conc_force_exit_innodb(). +@return true if thd is the replication thread */ +UNIV_INTERN +ibool +thd_is_replication_slave_thread( +/*============================*/ + void* thd); /*!< in: thread handle (THD*) */ + +/******************************************************************//** +Returns true if the transaction this thread is processing has edited +non-transactional tables. Used by the deadlock detector when deciding +which transaction to rollback in case of a deadlock - we try to avoid +rolling back transactions that have edited non-transactional tables. +@return true if non-transactional tables have been edited */ +UNIV_INTERN +ibool +thd_has_edited_nontrans_tables( +/*===========================*/ + void* thd); /*!< in: thread handle (THD*) */ + +/*************************************************************//** +Prints info of a THD object (== user session thread) to the given file. */ +UNIV_INTERN +void +innobase_mysql_print_thd( +/*=====================*/ + FILE* f, /*!< in: output stream */ + void* thd, /*!< in: pointer to a MySQL THD object */ + uint max_query_len); /*!< in: max query length to print, or 0 to + use the default max length */ + +/**************************************************************//** +Converts a MySQL type to an InnoDB type. Note that this function returns +the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 +VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. +@return DATA_BINARY, DATA_VARCHAR, ... */ +UNIV_INTERN +ulint +get_innobase_type_from_mysql_type( +/*==============================*/ + ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an + 'unsigned type'; + at least ENUM and SET, + and unsigned integer + types are 'unsigned types' */ + const void* field) /*!< in: MySQL Field */ + __attribute__((nonnull)); + +/******************************************************************//** +Get the variable length bounds of the given character set. */ +UNIV_INTERN +void +innobase_get_cset_width( +/*====================*/ + ulint cset, /*!< in: MySQL charset-collation code */ + ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ + ulint* mbmaxlen); /*!< out: maximum length of a char (in bytes) */ + +/******************************************************************//** +Compares NUL-terminated UTF-8 strings case insensitively. +@return 0 if a=b, <0 if a1 if a>b */ +UNIV_INTERN +int +innobase_strcasecmp( +/*================*/ + const char* a, /*!< in: first string to compare */ + const char* b); /*!< in: second string to compare */ + +/******************************************************************//** +Returns true if the thread is executing a SELECT statement. +@return true if thd is executing SELECT */ + +ibool +thd_is_select( +/*==========*/ + const void* thd); /*!< in: thread handle (THD*) */ + +/******************************************************************//** +Converts an identifier to a table name. */ +UNIV_INTERN +void +innobase_convert_from_table_id( +/*===========================*/ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len); /*!< in: length of 'to', in bytes; should + be at least 5 * strlen(to) + 1 */ +/******************************************************************//** +Converts an identifier to UTF-8. */ +UNIV_INTERN +void +innobase_convert_from_id( +/*=====================*/ + struct charset_info_st* cs, /*!< in: the 'from' character set */ + char* to, /*!< out: converted identifier */ + const char* from, /*!< in: identifier to convert */ + ulint len); /*!< in: length of 'to', in bytes; should + be at least 3 * strlen(to) + 1 */ +/******************************************************************//** +Makes all characters in a NUL-terminated UTF-8 string lower case. */ +UNIV_INTERN +void +innobase_casedn_str( +/*================*/ + char* a); /*!< in/out: string to put in lower case */ + +/**********************************************************************//** +Determines the connection character set. +@return connection character set */ +struct charset_info_st* +innobase_get_charset( +/*=================*/ + void* mysql_thd); /*!< in: MySQL thread handle */ + +/******************************************************************//** +This function is used to find the storage length in bytes of the first n +characters for prefix indexes using a multibyte character set. The function +finds charset information and returns length of prefix_len characters in the +index field in bytes. +@return number of bytes occupied by the first n characters */ +UNIV_INTERN +ulint +innobase_get_at_most_n_mbchars( +/*===========================*/ + ulint charset_id, /*!< in: character set id */ + ulint prefix_len, /*!< in: prefix length in bytes of the index + (this has to be divided by mbmaxlen to get the + number of CHARACTERS n in the prefix) */ + ulint data_len, /*!< in: length of the string in bytes */ + const char* str); /*!< in: character string */ + +/******************************************************************//** +Returns true if the thread supports XA, +global value of innodb_supports_xa if thd is NULL. +@return true if thd supports XA */ + +ibool +thd_supports_xa( +/*============*/ + void* thd); /*!< in: thread handle (THD*), or NULL to query + the global innodb_supports_xa */ + +/******************************************************************//** +Returns the lock wait timeout for the current connection. +@return the lock wait timeout, in seconds */ + +ulong +thd_lock_wait_timeout( +/*==================*/ + void* thd); /*!< in: thread handle (THD*), or NULL to query + the global innodb_lock_wait_timeout */ + +#endif diff --git a/perfschema/include/handler0alter.h b/perfschema/include/handler0alter.h new file mode 100644 index 00000000000..7f5af6d2e76 --- /dev/null +++ b/perfschema/include/handler0alter.h @@ -0,0 +1,42 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/handler0alter.h +Smart ALTER TABLE +*******************************************************/ + +/*************************************************************//** +Copies an InnoDB record to table->record[0]. */ +UNIV_INTERN +void +innobase_rec_to_mysql( +/*==================*/ + struct TABLE* table, /*!< in/out: MySQL table */ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets); /*!< in: rec_get_offsets( + rec, index, ...) */ + +/*************************************************************//** +Resets table->record[0]. */ +UNIV_INTERN +void +innobase_rec_reset( +/*===============*/ + struct TABLE* table); /*!< in/out: MySQL table */ diff --git a/perfschema/include/hash0hash.h b/perfschema/include/hash0hash.h new file mode 100644 index 00000000000..977cb829f35 --- /dev/null +++ b/perfschema/include/hash0hash.h @@ -0,0 +1,446 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/hash0hash.h +The simple hash table utility + +Created 5/20/1997 Heikki Tuuri +*******************************************************/ + +#ifndef hash0hash_h +#define hash0hash_h + +#include "univ.i" +#include "mem0mem.h" +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +#endif /* !UNIV_HOTBACKUP */ + +typedef struct hash_table_struct hash_table_t; +typedef struct hash_cell_struct hash_cell_t; + +typedef void* hash_node_t; + +/* Fix Bug #13859: symbol collision between imap/mysql */ +#define hash_create hash0_create + +/*************************************************************//** +Creates a hash table with >= n array cells. The actual number +of cells is chosen to be a prime number slightly bigger than n. +@return own: created table */ +UNIV_INTERN +hash_table_t* +hash_create( +/*========*/ + ulint n); /*!< in: number of array cells */ +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Creates a mutex array to protect a hash table. */ +UNIV_INTERN +void +hash_create_mutexes_func( +/*=====================*/ + hash_table_t* table, /*!< in: hash table */ +#ifdef UNIV_SYNC_DEBUG + ulint sync_level, /*!< in: latching order level of the + mutexes: used in the debug version */ +#endif /* UNIV_SYNC_DEBUG */ + ulint n_mutexes); /*!< in: number of mutexes */ +#ifdef UNIV_SYNC_DEBUG +# define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,level,n) +#else /* UNIV_SYNC_DEBUG */ +# define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,n) +#endif /* UNIV_SYNC_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Frees a hash table. */ +UNIV_INTERN +void +hash_table_free( +/*============*/ + hash_table_t* table); /*!< in, own: hash table */ +/**************************************************************//** +Calculates the hash value from a folded value. +@return hashed value */ +UNIV_INLINE +ulint +hash_calc_hash( +/*===========*/ + ulint fold, /*!< in: folded value */ + hash_table_t* table); /*!< in: hash table */ +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Assert that the mutex for the table in a hash operation is owned. */ +# define HASH_ASSERT_OWNED(TABLE, FOLD) \ +ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); +#else /* !UNIV_HOTBACKUP */ +# define HASH_ASSERT_OWNED(TABLE, FOLD) +#endif /* !UNIV_HOTBACKUP */ + +/*******************************************************************//** +Inserts a struct to a hash table. */ + +#define HASH_INSERT(TYPE, NAME, TABLE, FOLD, DATA)\ +do {\ + hash_cell_t* cell3333;\ + TYPE* struct3333;\ +\ + HASH_ASSERT_OWNED(TABLE, FOLD)\ +\ + (DATA)->NAME = NULL;\ +\ + cell3333 = hash_get_nth_cell(TABLE, hash_calc_hash(FOLD, TABLE));\ +\ + if (cell3333->node == NULL) {\ + cell3333->node = DATA;\ + } else {\ + struct3333 = (TYPE*) cell3333->node;\ +\ + while (struct3333->NAME != NULL) {\ +\ + struct3333 = (TYPE*) struct3333->NAME;\ + }\ +\ + struct3333->NAME = DATA;\ + }\ +} while (0) + +#ifdef UNIV_HASH_DEBUG +# define HASH_ASSERT_VALID(DATA) ut_a((void*) (DATA) != (void*) -1) +# define HASH_INVALIDATE(DATA, NAME) DATA->NAME = (void*) -1 +#else +# define HASH_ASSERT_VALID(DATA) do {} while (0) +# define HASH_INVALIDATE(DATA, NAME) do {} while (0) +#endif + +/*******************************************************************//** +Deletes a struct from a hash table. */ + +#define HASH_DELETE(TYPE, NAME, TABLE, FOLD, DATA)\ +do {\ + hash_cell_t* cell3333;\ + TYPE* struct3333;\ +\ + HASH_ASSERT_OWNED(TABLE, FOLD)\ +\ + cell3333 = hash_get_nth_cell(TABLE, hash_calc_hash(FOLD, TABLE));\ +\ + if (cell3333->node == DATA) {\ + HASH_ASSERT_VALID(DATA->NAME);\ + cell3333->node = DATA->NAME;\ + } else {\ + struct3333 = (TYPE*) cell3333->node;\ +\ + while (struct3333->NAME != DATA) {\ +\ + struct3333 = (TYPE*) struct3333->NAME;\ + ut_a(struct3333);\ + }\ +\ + struct3333->NAME = DATA->NAME;\ + }\ + HASH_INVALIDATE(DATA, NAME);\ +} while (0) + +/*******************************************************************//** +Gets the first struct in a hash chain, NULL if none. */ + +#define HASH_GET_FIRST(TABLE, HASH_VAL)\ + (hash_get_nth_cell(TABLE, HASH_VAL)->node) + +/*******************************************************************//** +Gets the next struct in a hash chain, NULL if none. */ + +#define HASH_GET_NEXT(NAME, DATA) ((DATA)->NAME) + +/********************************************************************//** +Looks for a struct in a hash table. */ +#define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, ASSERTION, TEST)\ +{\ +\ + HASH_ASSERT_OWNED(TABLE, FOLD)\ +\ + (DATA) = (TYPE) HASH_GET_FIRST(TABLE, hash_calc_hash(FOLD, TABLE));\ + HASH_ASSERT_VALID(DATA);\ +\ + while ((DATA) != NULL) {\ + ASSERTION;\ + if (TEST) {\ + break;\ + } else {\ + HASH_ASSERT_VALID(HASH_GET_NEXT(NAME, DATA));\ + (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA);\ + }\ + }\ +} + +/********************************************************************//** +Looks for an item in all hash buckets. */ +#define HASH_SEARCH_ALL(NAME, TABLE, TYPE, DATA, ASSERTION, TEST) \ +do { \ + ulint i3333; \ + \ + for (i3333 = (TABLE)->n_cells; i3333--; ) { \ + (DATA) = (TYPE) HASH_GET_FIRST(TABLE, i3333); \ + \ + while ((DATA) != NULL) { \ + HASH_ASSERT_VALID(DATA); \ + ASSERTION; \ + \ + if (TEST) { \ + break; \ + } \ + \ + (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA); \ + } \ + \ + if ((DATA) != NULL) { \ + break; \ + } \ + } \ +} while (0) + +/************************************************************//** +Gets the nth cell in a hash table. +@return pointer to cell */ +UNIV_INLINE +hash_cell_t* +hash_get_nth_cell( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint n); /*!< in: cell index */ + +/*************************************************************//** +Clears a hash table so that all the cells become empty. */ +UNIV_INLINE +void +hash_table_clear( +/*=============*/ + hash_table_t* table); /*!< in/out: hash table */ + +/*************************************************************//** +Returns the number of cells in a hash table. +@return number of cells */ +UNIV_INLINE +ulint +hash_get_n_cells( +/*=============*/ + hash_table_t* table); /*!< in: table */ +/*******************************************************************//** +Deletes a struct which is stored in the heap of the hash table, and compacts +the heap. The fold value must be stored in the struct NODE in a field named +'fold'. */ + +#define HASH_DELETE_AND_COMPACT(TYPE, NAME, TABLE, NODE)\ +do {\ + TYPE* node111;\ + TYPE* top_node111;\ + hash_cell_t* cell111;\ + ulint fold111;\ +\ + fold111 = (NODE)->fold;\ +\ + HASH_DELETE(TYPE, NAME, TABLE, fold111, NODE);\ +\ + top_node111 = (TYPE*)mem_heap_get_top(\ + hash_get_heap(TABLE, fold111),\ + sizeof(TYPE));\ +\ + /* If the node to remove is not the top node in the heap, compact the\ + heap of nodes by moving the top node in the place of NODE. */\ +\ + if (NODE != top_node111) {\ +\ + /* Copy the top node in place of NODE */\ +\ + *(NODE) = *top_node111;\ +\ + cell111 = hash_get_nth_cell(TABLE,\ + hash_calc_hash(top_node111->fold, TABLE));\ +\ + /* Look for the pointer to the top node, to update it */\ +\ + if (cell111->node == top_node111) {\ + /* The top node is the first in the chain */\ +\ + cell111->node = NODE;\ + } else {\ + /* We have to look for the predecessor of the top\ + node */\ + node111 = cell111->node;\ +\ + while (top_node111 != HASH_GET_NEXT(NAME, node111)) {\ +\ + node111 = HASH_GET_NEXT(NAME, node111);\ + }\ +\ + /* Now we have the predecessor node */\ +\ + node111->NAME = NODE;\ + }\ + }\ +\ + /* Free the space occupied by the top node */\ +\ + mem_heap_free_top(hash_get_heap(TABLE, fold111), sizeof(TYPE));\ +} while (0) + +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Move all hash table entries from OLD_TABLE to NEW_TABLE. */ + +#define HASH_MIGRATE(OLD_TABLE, NEW_TABLE, NODE_TYPE, PTR_NAME, FOLD_FUNC) \ +do {\ + ulint i2222;\ + ulint cell_count2222;\ +\ + cell_count2222 = hash_get_n_cells(OLD_TABLE);\ +\ + for (i2222 = 0; i2222 < cell_count2222; i2222++) {\ + NODE_TYPE* node2222 = HASH_GET_FIRST((OLD_TABLE), i2222);\ +\ + while (node2222) {\ + NODE_TYPE* next2222 = node2222->PTR_NAME;\ + ulint fold2222 = FOLD_FUNC(node2222);\ +\ + HASH_INSERT(NODE_TYPE, PTR_NAME, (NEW_TABLE),\ + fold2222, node2222);\ +\ + node2222 = next2222;\ + }\ + }\ +} while (0) + +/************************************************************//** +Gets the mutex index for a fold value in a hash table. +@return mutex number */ +UNIV_INLINE +ulint +hash_get_mutex_no( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ +/************************************************************//** +Gets the nth heap in a hash table. +@return mem heap */ +UNIV_INLINE +mem_heap_t* +hash_get_nth_heap( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint i); /*!< in: index of the heap */ +/************************************************************//** +Gets the heap for a fold value in a hash table. +@return mem heap */ +UNIV_INLINE +mem_heap_t* +hash_get_heap( +/*==========*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ +/************************************************************//** +Gets the nth mutex in a hash table. +@return mutex */ +UNIV_INLINE +mutex_t* +hash_get_nth_mutex( +/*===============*/ + hash_table_t* table, /*!< in: hash table */ + ulint i); /*!< in: index of the mutex */ +/************************************************************//** +Gets the mutex for a fold value in a hash table. +@return mutex */ +UNIV_INLINE +mutex_t* +hash_get_mutex( +/*===========*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ +/************************************************************//** +Reserves the mutex for a fold value in a hash table. */ +UNIV_INTERN +void +hash_mutex_enter( +/*=============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ +/************************************************************//** +Releases the mutex for a fold value in a hash table. */ +UNIV_INTERN +void +hash_mutex_exit( +/*============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold); /*!< in: fold */ +/************************************************************//** +Reserves all the mutexes of a hash table, in an ascending order. */ +UNIV_INTERN +void +hash_mutex_enter_all( +/*=================*/ + hash_table_t* table); /*!< in: hash table */ +/************************************************************//** +Releases all the mutexes of a hash table. */ +UNIV_INTERN +void +hash_mutex_exit_all( +/*================*/ + hash_table_t* table); /*!< in: hash table */ +#else /* !UNIV_HOTBACKUP */ +# define hash_get_heap(table, fold) ((table)->heap) +# define hash_mutex_enter(table, fold) ((void) 0) +# define hash_mutex_exit(table, fold) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +struct hash_cell_struct{ + void* node; /*!< hash chain node, NULL if none */ +}; + +/* The hash table structure */ +struct hash_table_struct { +#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG +# ifndef UNIV_HOTBACKUP + ibool adaptive;/* TRUE if this is the hash table of the + adaptive hash index */ +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ + ulint n_cells;/* number of cells in the hash table */ + hash_cell_t* array; /*!< pointer to cell array */ +#ifndef UNIV_HOTBACKUP + ulint n_mutexes;/* if mutexes != NULL, then the number of + mutexes, must be a power of 2 */ + mutex_t* mutexes;/* NULL, or an array of mutexes used to + protect segments of the hash table */ + mem_heap_t** heaps; /*!< if this is non-NULL, hash chain nodes for + external chaining can be allocated from these + memory heaps; there are then n_mutexes many of + these heaps */ +#endif /* !UNIV_HOTBACKUP */ + mem_heap_t* heap; + ulint magic_n; +}; + +#define HASH_TABLE_MAGIC_N 76561114 + +#ifndef UNIV_NONINL +#include "hash0hash.ic" +#endif + +#endif diff --git a/perfschema/include/hash0hash.ic b/perfschema/include/hash0hash.ic new file mode 100644 index 00000000000..19da2d50701 --- /dev/null +++ b/perfschema/include/hash0hash.ic @@ -0,0 +1,163 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/hash0hash.ic +The simple hash table utility + +Created 5/20/1997 Heikki Tuuri +*******************************************************/ + +#include "ut0rnd.h" + +/************************************************************//** +Gets the nth cell in a hash table. +@return pointer to cell */ +UNIV_INLINE +hash_cell_t* +hash_get_nth_cell( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint n) /*!< in: cell index */ +{ + ut_ad(n < table->n_cells); + + return(table->array + n); +} + +/*************************************************************//** +Clears a hash table so that all the cells become empty. */ +UNIV_INLINE +void +hash_table_clear( +/*=============*/ + hash_table_t* table) /*!< in/out: hash table */ +{ + memset(table->array, 0x0, + table->n_cells * sizeof(*table->array)); +} + +/*************************************************************//** +Returns the number of cells in a hash table. +@return number of cells */ +UNIV_INLINE +ulint +hash_get_n_cells( +/*=============*/ + hash_table_t* table) /*!< in: table */ +{ + return(table->n_cells); +} + +/**************************************************************//** +Calculates the hash value from a folded value. +@return hashed value */ +UNIV_INLINE +ulint +hash_calc_hash( +/*===========*/ + ulint fold, /*!< in: folded value */ + hash_table_t* table) /*!< in: hash table */ +{ + return(ut_hash_ulint(fold, table->n_cells)); +} + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Gets the mutex index for a fold value in a hash table. +@return mutex number */ +UNIV_INLINE +ulint +hash_get_mutex_no( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ +{ + ut_ad(ut_is_2pow(table->n_mutexes)); + return(ut_2pow_remainder(hash_calc_hash(fold, table), + table->n_mutexes)); +} + +/************************************************************//** +Gets the nth heap in a hash table. +@return mem heap */ +UNIV_INLINE +mem_heap_t* +hash_get_nth_heap( +/*==============*/ + hash_table_t* table, /*!< in: hash table */ + ulint i) /*!< in: index of the heap */ +{ + ut_ad(i < table->n_mutexes); + + return(table->heaps[i]); +} + +/************************************************************//** +Gets the heap for a fold value in a hash table. +@return mem heap */ +UNIV_INLINE +mem_heap_t* +hash_get_heap( +/*==========*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ +{ + ulint i; + + if (table->heap) { + return(table->heap); + } + + i = hash_get_mutex_no(table, fold); + + return(hash_get_nth_heap(table, i)); +} + +/************************************************************//** +Gets the nth mutex in a hash table. +@return mutex */ +UNIV_INLINE +mutex_t* +hash_get_nth_mutex( +/*===============*/ + hash_table_t* table, /*!< in: hash table */ + ulint i) /*!< in: index of the mutex */ +{ + ut_ad(i < table->n_mutexes); + + return(table->mutexes + i); +} + +/************************************************************//** +Gets the mutex for a fold value in a hash table. +@return mutex */ +UNIV_INLINE +mutex_t* +hash_get_mutex( +/*===========*/ + hash_table_t* table, /*!< in: hash table */ + ulint fold) /*!< in: fold */ +{ + ulint i; + + i = hash_get_mutex_no(table, fold); + + return(hash_get_nth_mutex(table, i)); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/ibuf0ibuf.h b/perfschema/include/ibuf0ibuf.h new file mode 100644 index 00000000000..0f1631fde77 --- /dev/null +++ b/perfschema/include/ibuf0ibuf.h @@ -0,0 +1,407 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ibuf0ibuf.h +Insert buffer + +Created 7/19/1997 Heikki Tuuri +*******************************************************/ + +#ifndef ibuf0ibuf_h +#define ibuf0ibuf_h + +#include "univ.i" + +#include "mtr0mtr.h" +#include "dict0mem.h" +#include "fsp0fsp.h" + +#ifndef UNIV_HOTBACKUP +# include "ibuf0types.h" + +/* Possible operations buffered in the insert/whatever buffer. See +ibuf_insert(). DO NOT CHANGE THE VALUES OF THESE, THEY ARE STORED ON DISK. */ +typedef enum { + IBUF_OP_INSERT = 0, + IBUF_OP_DELETE_MARK = 1, + IBUF_OP_DELETE = 2, + + /* Number of different operation types. */ + IBUF_OP_COUNT = 3, +} ibuf_op_t; + +/** Combinations of operations that can be buffered. Because the enum +values are used for indexing innobase_change_buffering_values[], they +should start at 0 and there should not be any gaps. */ +typedef enum { + IBUF_USE_NONE = 0, + IBUF_USE_INSERT, /* insert */ + IBUF_USE_DELETE_MARK, /* delete */ + IBUF_USE_INSERT_DELETE_MARK, /* insert+delete */ + IBUF_USE_DELETE, /* delete+purge */ + IBUF_USE_ALL, /* insert+delete+purge */ + + IBUF_USE_COUNT /* number of entries in ibuf_use_t */ +} ibuf_use_t; + +/** Operations that can currently be buffered. */ +extern ibuf_use_t ibuf_use; + +/** The insert buffer control structure */ +extern ibuf_t* ibuf; + +/* The purpose of the insert buffer is to reduce random disk access. +When we wish to insert a record into a non-unique secondary index and +the B-tree leaf page where the record belongs to is not in the buffer +pool, we insert the record into the insert buffer B-tree, indexed by +(space_id, page_no). When the page is eventually read into the buffer +pool, we look up the insert buffer B-tree for any modifications to the +page, and apply these upon the completion of the read operation. This +is called the insert buffer merge. */ + +/* The insert buffer merge must always succeed. To guarantee this, +the insert buffer subsystem keeps track of the free space in pages for +which it can buffer operations. Two bits per page in the insert +buffer bitmap indicate the available space in coarse increments. The +free bits in the insert buffer bitmap must never exceed the free space +on a page. It is safe to decrement or reset the bits in the bitmap in +a mini-transaction that is committed before the mini-transaction that +affects the free space. It is unsafe to increment the bits in a +separately committed mini-transaction, because in crash recovery, the +free bits could momentarily be set too high. */ + +/******************************************************************//** +Creates the insert buffer data structure at a database startup. */ +UNIV_INTERN +void +ibuf_init_at_db_start(void); +/*=======================*/ +/*********************************************************************//** +Reads the biggest tablespace id from the high end of the insert buffer +tree and updates the counter in fil_system. */ +UNIV_INTERN +void +ibuf_update_max_tablespace_id(void); +/*===============================*/ +/*********************************************************************//** +Initializes an ibuf bitmap page. */ +UNIV_INTERN +void +ibuf_bitmap_page_init( +/*==================*/ + buf_block_t* block, /*!< in: bitmap page */ + mtr_t* mtr); /*!< in: mtr */ +/************************************************************************//** +Resets the free bits of the page in the ibuf bitmap. This is done in a +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to decrement or reset the bits in the bitmap in a mini-transaction +that is committed before the mini-transaction that affects the free +space. */ +UNIV_INTERN +void +ibuf_reset_free_bits( +/*=================*/ + buf_block_t* block); /*!< in: index page; free bits are set to 0 + if the index is a non-clustered + non-unique, and page level is 0 */ +/************************************************************************//** +Updates the free bits of an uncompressed page in the ibuf bitmap if +there is not enough free on the page any more. This is done in a +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is +unsafe to increment the bits in a separately committed +mini-transaction, because in crash recovery, the free bits could +momentarily be set too high. It is only safe to use this function for +decrementing the free bits. Should more free space become available, +we must not update the free bits here, because that would break crash +recovery. */ +UNIV_INLINE +void +ibuf_update_free_bits_if_full( +/*==========================*/ + buf_block_t* block, /*!< in: index page to which we have added new + records; the free bits are updated if the + index is non-clustered and non-unique and + the page level is 0, and the page becomes + fuller */ + ulint max_ins_size,/*!< in: value of maximum insert size with + reorganize before the latest operation + performed to the page */ + ulint increase);/*!< in: upper limit for the additional space + used in the latest operation, if known, or + ULINT_UNDEFINED */ +/**********************************************************************//** +Updates the free bits for an uncompressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ +UNIV_INTERN +void +ibuf_update_free_bits_low( +/*======================*/ + const buf_block_t* block, /*!< in: index page */ + ulint max_ins_size, /*!< in: value of + maximum insert size + with reorganize before + the latest operation + performed to the page */ + mtr_t* mtr); /*!< in/out: mtr */ +/**********************************************************************//** +Updates the free bits for a compressed page to reflect the present +state. Does this in the mtr given, which means that the latching +order rules virtually prevent any further operations for this OS +thread until mtr is committed. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is safe +to set the free bits in the same mini-transaction that updated the +page. */ +UNIV_INTERN +void +ibuf_update_free_bits_zip( +/*======================*/ + buf_block_t* block, /*!< in/out: index page */ + mtr_t* mtr); /*!< in/out: mtr */ +/**********************************************************************//** +Updates the free bits for the two pages to reflect the present state. +Does this in the mtr given, which means that the latching order rules +virtually prevent any further operations until mtr is committed. +NOTE: The free bits in the insert buffer bitmap must never exceed the +free space on a page. It is safe to set the free bits in the same +mini-transaction that updated the pages. */ +UNIV_INTERN +void +ibuf_update_free_bits_for_two_pages_low( +/*====================================*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + buf_block_t* block1, /*!< in: index page */ + buf_block_t* block2, /*!< in: index page */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +A basic partial test if an insert to the insert buffer could be possible and +recommended. */ +UNIV_INLINE +ibool +ibuf_should_try( +/*============*/ + dict_index_t* index, /*!< in: index where to insert */ + ulint ignore_sec_unique); /*!< in: if != 0, we should + ignore UNIQUE constraint on + a secondary index when we + decide */ +/******************************************************************//** +Returns TRUE if the current OS thread is performing an insert buffer +routine. + +For instance, a read-ahead of non-ibuf pages is forbidden by threads +that are executing an insert buffer routine. +@return TRUE if inside an insert buffer routine */ +UNIV_INTERN +ibool +ibuf_inside(void); +/*=============*/ +/***********************************************************************//** +Checks if a page address is an ibuf bitmap page (level 3 page) address. +@return TRUE if a bitmap page */ +UNIV_INLINE +ibool +ibuf_bitmap_page( +/*=============*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no);/*!< in: page number */ +/***********************************************************************//** +Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. +Must not be called when recv_no_ibuf_operations==TRUE. +@return TRUE if level 2 or level 3 page */ +UNIV_INTERN +ibool +ibuf_page( +/*======*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number */ + mtr_t* mtr); /*!< in: mtr which will contain an x-latch to the + bitmap page if the page is not one of the fixed + address ibuf pages, or NULL, in which case a new + transaction is created. */ +/***********************************************************************//** +Frees excess pages from the ibuf free list. This function is called when an OS +thread calls fsp services to allocate a new file segment, or a new page to a +file segment, and the thread did not own the fsp latch before this call. */ +UNIV_INTERN +void +ibuf_free_excess_pages(void); +/*========================*/ +/*********************************************************************//** +Buffer an operation in the insert/delete buffer, instead of doing it +directly to the disk page, if this is possible. Does not do it if the index +is clustered or unique. +@return TRUE if success */ +UNIV_INTERN +ibool +ibuf_insert( +/*========*/ + ibuf_op_t op, /*!< in: operation type */ + const dtuple_t* entry, /*!< in: index entry to insert */ + dict_index_t* index, /*!< in: index where to insert */ + ulint space, /*!< in: space id where to insert */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number where to insert */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +When an index page is read from a disk to the buffer pool, this function +applies any buffered operations to the page and deletes the entries from the +insert buffer. If the page is not read, but created in the buffer pool, this +function deletes its buffered entries from the insert buffer; there can +exist entries for such a page if the page belonged to an index which +subsequently was dropped. */ +UNIV_INTERN +void +ibuf_merge_or_delete_for_page( +/*==========================*/ + buf_block_t* block, /*!< in: if page has been read from + disk, pointer to the page x-latched, + else NULL */ + ulint space, /*!< in: space id of the index page */ + ulint page_no,/*!< in: page number of the index page */ + ulint zip_size,/*!< in: compressed page size in bytes, + or 0 */ + ibool update_ibuf_bitmap);/*!< in: normally this is set + to TRUE, but if we have deleted or are + deleting the tablespace, then we + naturally do not want to update a + non-existent bitmap page */ +/*********************************************************************//** +Deletes all entries in the insert buffer for a given space id. This is used +in DISCARD TABLESPACE and IMPORT TABLESPACE. +NOTE: this does not update the page free bitmaps in the space. The space will +become CORRUPT when you call this function! */ +UNIV_INTERN +void +ibuf_delete_for_discarded_space( +/*============================*/ + ulint space); /*!< in: space id */ +/*********************************************************************//** +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ +UNIV_INTERN +ulint +ibuf_contract( +/*==========*/ + ibool sync); /*!< in: TRUE if the caller wants to wait for the + issued read with the highest tablespace address + to complete */ +/*********************************************************************//** +Contracts insert buffer trees by reading pages to the buffer pool. +@return a lower limit for the combined size in bytes of entries which +will be merged from ibuf trees to the pages read, 0 if ibuf is +empty */ +UNIV_INTERN +ulint +ibuf_contract_for_n_pages( +/*======================*/ + ibool sync, /*!< in: TRUE if the caller wants to wait for the + issued read with the highest tablespace address + to complete */ + ulint n_pages);/*!< in: try to read at least this many pages to + the buffer pool and merge the ibuf contents to + them */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Parses a redo log record of an ibuf bitmap page init. +@return end of log record or NULL */ +UNIV_INTERN +byte* +ibuf_parse_bitmap_init( +/*===================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +#ifndef UNIV_HOTBACKUP +#ifdef UNIV_IBUF_COUNT_DEBUG +/******************************************************************//** +Gets the ibuf count for a given page. +@return number of entries in the insert buffer currently buffered for +this page */ +UNIV_INTERN +ulint +ibuf_count_get( +/*===========*/ + ulint space, /*!< in: space id */ + ulint page_no);/*!< in: page number */ +#endif +/******************************************************************//** +Looks if the insert buffer is empty. +@return TRUE if empty */ +UNIV_INTERN +ibool +ibuf_is_empty(void); +/*===============*/ +/******************************************************************//** +Prints info of ibuf. */ +UNIV_INTERN +void +ibuf_print( +/*=======*/ + FILE* file); /*!< in: file where to print */ +/******************************************************************** +Read the first two bytes from a record's fourth field (counter field in new +records; something else in older records). +@return "counter" field, or ULINT_UNDEFINED if for some reason it can't be read */ +UNIV_INTERN +ulint +ibuf_rec_get_counter( +/*=================*/ + const rec_t* rec); /*!< in: ibuf record */ +/******************************************************************//** +Closes insert buffer and frees the data structures. */ +UNIV_INTERN +void +ibuf_close(void); +/*============*/ + +#define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO +#define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO + +#endif /* !UNIV_HOTBACKUP */ + +/* The ibuf header page currently contains only the file segment header +for the file segment from which the pages for the ibuf tree are allocated */ +#define IBUF_HEADER PAGE_DATA +#define IBUF_TREE_SEG_HEADER 0 /* fseg header for ibuf tree */ + +/* The insert buffer tree itself is always located in space 0. */ +#define IBUF_SPACE_ID 0 + +#ifndef UNIV_NONINL +#include "ibuf0ibuf.ic" +#endif + +#endif diff --git a/perfschema/include/ibuf0ibuf.ic b/perfschema/include/ibuf0ibuf.ic new file mode 100644 index 00000000000..84c7a004be2 --- /dev/null +++ b/perfschema/include/ibuf0ibuf.ic @@ -0,0 +1,332 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ibuf0ibuf.ic +Insert buffer + +Created 7/19/1997 Heikki Tuuri +*******************************************************/ + +#include "page0page.h" +#include "page0zip.h" +#ifndef UNIV_HOTBACKUP +#include "buf0lru.h" + +/** Counter for ibuf_should_try() */ +extern ulint ibuf_flush_count; + +/** An index page must contain at least UNIV_PAGE_SIZE / +IBUF_PAGE_SIZE_PER_FREE_SPACE bytes of free space for ibuf to try to +buffer inserts to this page. If there is this much of free space, the +corresponding bits are set in the ibuf bitmap. */ +#define IBUF_PAGE_SIZE_PER_FREE_SPACE 32 + +/** Insert buffer struct */ +struct ibuf_struct{ + ulint size; /*!< current size of the ibuf index + tree, in pages */ + ulint max_size; /*!< recommended maximum size of the + ibuf index tree, in pages */ + ulint seg_size; /*!< allocated pages of the file + segment containing ibuf header and + tree */ + ibool empty; /*!< after an insert to the ibuf tree + is performed, this is set to FALSE, + and if a contract operation finds + the tree empty, this is set to + TRUE */ + ulint free_list_len; /*!< length of the free list */ + ulint height; /*!< tree height */ + dict_index_t* index; /*!< insert buffer index */ + + ulint n_merges; /*!< number of pages merged */ + ulint n_merged_ops[IBUF_OP_COUNT]; + /*!< number of operations of each type + merged to index pages */ + ulint n_discarded_ops[IBUF_OP_COUNT]; + /*!< number of operations of each type + discarded without merging due to the + tablespace being deleted or the + index being dropped */ +}; + +/************************************************************************//** +Sets the free bit of the page in the ibuf bitmap. This is done in a separate +mini-transaction, hence this operation does not restrict further work to only +ibuf bitmap operations, which would result if the latch to the bitmap page +were kept. */ +UNIV_INTERN +void +ibuf_set_free_bits_func( +/*====================*/ + buf_block_t* block, /*!< in: index page of a non-clustered index; + free bit is reset if page level is 0 */ +#ifdef UNIV_IBUF_DEBUG + ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum + value which the bits must have before + setting; this is for debugging */ +#endif /* UNIV_IBUF_DEBUG */ + ulint val); /*!< in: value to set: < 4 */ +#ifdef UNIV_IBUF_DEBUG +# define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,max,v) +#else /* UNIV_IBUF_DEBUG */ +# define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,v) +#endif /* UNIV_IBUF_DEBUG */ + +/**********************************************************************//** +A basic partial test if an insert to the insert buffer could be possible and +recommended. */ +UNIV_INLINE +ibool +ibuf_should_try( +/*============*/ + dict_index_t* index, /*!< in: index where to insert */ + ulint ignore_sec_unique) /*!< in: if != 0, we should + ignore UNIQUE constraint on + a secondary index when we + decide */ +{ + if (ibuf_use != IBUF_USE_NONE + && !dict_index_is_clust(index) + && (ignore_sec_unique || !dict_index_is_unique(index))) { + + ibuf_flush_count++; + + if (ibuf_flush_count % 4 == 0) { + + buf_LRU_try_free_flushed_blocks(); + } + + return(TRUE); + } + + return(FALSE); +} + +/***********************************************************************//** +Checks if a page address is an ibuf bitmap page address. +@return TRUE if a bitmap page */ +UNIV_INLINE +ibool +ibuf_bitmap_page( +/*=============*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint page_no)/*!< in: page number */ +{ + ut_ad(ut_is_2pow(zip_size)); + + if (!zip_size) { + return(UNIV_UNLIKELY((page_no & (UNIV_PAGE_SIZE - 1)) + == FSP_IBUF_BITMAP_OFFSET)); + } + + return(UNIV_UNLIKELY((page_no & (zip_size - 1)) + == FSP_IBUF_BITMAP_OFFSET)); +} + +/*********************************************************************//** +Translates the free space on a page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ +UNIV_INLINE +ulint +ibuf_index_page_calc_free_bits( +/*===========================*/ + ulint zip_size, /*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint max_ins_size) /*!< in: maximum insert size after reorganize + for the page */ +{ + ulint n; + ut_ad(ut_is_2pow(zip_size)); + ut_ad(!zip_size || zip_size > IBUF_PAGE_SIZE_PER_FREE_SPACE); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + + if (zip_size) { + n = max_ins_size + / (zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } else { + n = max_ins_size + / (UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } + + if (n == 3) { + n = 2; + } + + if (n > 3) { + n = 3; + } + + return(n); +} + +/*********************************************************************//** +Translates the ibuf free bits to the free space on a page in bytes. +@return maximum insert size after reorganize for the page */ +UNIV_INLINE +ulint +ibuf_index_page_calc_free_from_bits( +/*================================*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + ulint bits) /*!< in: value for ibuf bitmap bits */ +{ + ut_ad(bits < 4); + ut_ad(ut_is_2pow(zip_size)); + ut_ad(!zip_size || zip_size > IBUF_PAGE_SIZE_PER_FREE_SPACE); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + + if (zip_size) { + if (bits == 3) { + return(4 * zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } + + return(bits * zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } + + if (bits == 3) { + return(4 * UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE); + } + + return(bits * (UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE)); +} + +/*********************************************************************//** +Translates the free space on a compressed page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ +UNIV_INLINE +ulint +ibuf_index_page_calc_free_zip( +/*==========================*/ + ulint zip_size, + /*!< in: compressed page size in bytes */ + const buf_block_t* block) /*!< in: buffer block */ +{ + ulint max_ins_size; + const page_zip_des_t* page_zip; + lint zip_max_ins; + + ut_ad(zip_size == buf_block_get_zip_size(block)); + ut_ad(zip_size); + + max_ins_size = page_get_max_insert_size_after_reorganize( + buf_block_get_frame(block), 1); + + page_zip = buf_block_get_page_zip(block); + zip_max_ins = page_zip_max_ins_size(page_zip, + FALSE/* not clustered */); + + if (UNIV_UNLIKELY(zip_max_ins < 0)) { + return(0); + } else if (UNIV_LIKELY(max_ins_size > (ulint) zip_max_ins)) { + max_ins_size = (ulint) zip_max_ins; + } + + return(ibuf_index_page_calc_free_bits(zip_size, max_ins_size)); +} + +/*********************************************************************//** +Translates the free space on a page to a value in the ibuf bitmap. +@return value for ibuf bitmap bits */ +UNIV_INLINE +ulint +ibuf_index_page_calc_free( +/*======================*/ + ulint zip_size,/*!< in: compressed page size in bytes; + 0 for uncompressed pages */ + const buf_block_t* block) /*!< in: buffer block */ +{ + ut_ad(zip_size == buf_block_get_zip_size(block)); + + if (!zip_size) { + ulint max_ins_size; + + max_ins_size = page_get_max_insert_size_after_reorganize( + buf_block_get_frame(block), 1); + + return(ibuf_index_page_calc_free_bits(0, max_ins_size)); + } else { + return(ibuf_index_page_calc_free_zip(zip_size, block)); + } +} + +/************************************************************************//** +Updates the free bits of an uncompressed page in the ibuf bitmap if +there is not enough free on the page any more. This is done in a +separate mini-transaction, hence this operation does not restrict +further work to only ibuf bitmap operations, which would result if the +latch to the bitmap page were kept. NOTE: The free bits in the insert +buffer bitmap must never exceed the free space on a page. It is +unsafe to increment the bits in a separately committed +mini-transaction, because in crash recovery, the free bits could +momentarily be set too high. It is only safe to use this function for +decrementing the free bits. Should more free space become available, +we must not update the free bits here, because that would break crash +recovery. */ +UNIV_INLINE +void +ibuf_update_free_bits_if_full( +/*==========================*/ + buf_block_t* block, /*!< in: index page to which we have added new + records; the free bits are updated if the + index is non-clustered and non-unique and + the page level is 0, and the page becomes + fuller */ + ulint max_ins_size,/*!< in: value of maximum insert size with + reorganize before the latest operation + performed to the page */ + ulint increase)/*!< in: upper limit for the additional space + used in the latest operation, if known, or + ULINT_UNDEFINED */ +{ + ulint before; + ulint after; + + ut_ad(!buf_block_get_page_zip(block)); + + before = ibuf_index_page_calc_free_bits(0, max_ins_size); + + if (max_ins_size >= increase) { +#if ULINT32_UNDEFINED <= UNIV_PAGE_SIZE +# error "ULINT32_UNDEFINED <= UNIV_PAGE_SIZE" +#endif + after = ibuf_index_page_calc_free_bits(0, max_ins_size + - increase); +#ifdef UNIV_IBUF_DEBUG + ut_a(after <= ibuf_index_page_calc_free(0, block)); +#endif + } else { + after = ibuf_index_page_calc_free(0, block); + } + + if (after == 0) { + /* We move the page to the front of the buffer pool LRU list: + the purpose of this is to prevent those pages to which we + cannot make inserts using the insert buffer from slipping + out of the buffer pool */ + + buf_page_make_young(&block->page); + } + + if (before > after) { + ibuf_set_free_bits(block, after, before); + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/ibuf0types.h b/perfschema/include/ibuf0types.h new file mode 100644 index 00000000000..55944f879b2 --- /dev/null +++ b/perfschema/include/ibuf0types.h @@ -0,0 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/ibuf0types.h +Insert buffer global types + +Created 7/29/1997 Heikki Tuuri +*******************************************************/ + +#ifndef ibuf0types_h +#define ibuf0types_h + +typedef struct ibuf_struct ibuf_t; + +#endif diff --git a/perfschema/include/lock0iter.h b/perfschema/include/lock0iter.h new file mode 100644 index 00000000000..25a57c9740c --- /dev/null +++ b/perfschema/include/lock0iter.h @@ -0,0 +1,69 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0iter.h +Lock queue iterator type and function prototypes. + +Created July 16, 2007 Vasil Dimov +*******************************************************/ + +#ifndef lock0iter_h +#define lock0iter_h + +#include "univ.i" +#include "lock0types.h" + +typedef struct lock_queue_iterator_struct { + const lock_t* current_lock; + /* In case this is a record lock queue (not table lock queue) + then bit_no is the record number within the heap in which the + record is stored. */ + ulint bit_no; +} lock_queue_iterator_t; + +/*******************************************************************//** +Initialize lock queue iterator so that it starts to iterate from +"lock". bit_no specifies the record number within the heap where the +record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: +1. If the lock is a table lock, thus we have a table lock queue; +2. If the lock is a record lock and it is a wait lock. In this case + bit_no is calculated in this function by using + lock_rec_find_set_bit(). There is exactly one bit set in the bitmap + of a wait lock. */ +UNIV_INTERN +void +lock_queue_iterator_reset( +/*======================*/ + lock_queue_iterator_t* iter, /*!< out: iterator */ + const lock_t* lock, /*!< in: lock to start from */ + ulint bit_no);/*!< in: record number in the + heap */ + +/*******************************************************************//** +Gets the previous lock in the lock queue, returns NULL if there are no +more locks (i.e. the current lock is the first one). The iterator is +receded (if not-NULL is returned). +@return previous lock or NULL */ + +const lock_t* +lock_queue_iterator_get_prev( +/*=========================*/ + lock_queue_iterator_t* iter); /*!< in/out: iterator */ + +#endif /* lock0iter_h */ diff --git a/perfschema/include/lock0lock.h b/perfschema/include/lock0lock.h new file mode 100644 index 00000000000..7d76cbe3c75 --- /dev/null +++ b/perfschema/include/lock0lock.h @@ -0,0 +1,826 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0lock.h +The transaction lock system + +Created 5/7/1996 Heikki Tuuri +*******************************************************/ + +#ifndef lock0lock_h +#define lock0lock_h + +#include "univ.i" +#include "buf0types.h" +#include "trx0types.h" +#include "mtr0types.h" +#include "rem0types.h" +#include "dict0types.h" +#include "que0types.h" +#include "lock0types.h" +#include "read0types.h" +#include "hash0hash.h" +#include "ut0vec.h" + +#ifdef UNIV_DEBUG +extern ibool lock_print_waits; +#endif /* UNIV_DEBUG */ +/* Buffer for storing information about the most recent deadlock error */ +extern FILE* lock_latest_err_file; + +/*********************************************************************//** +Gets the size of a lock struct. +@return size in bytes */ +UNIV_INTERN +ulint +lock_get_size(void); +/*===============*/ +/*********************************************************************//** +Creates the lock system at database start. */ +UNIV_INTERN +void +lock_sys_create( +/*============*/ + ulint n_cells); /*!< in: number of slots in lock hash table */ +/*********************************************************************//** +Closes the lock system at database shutdown. */ +UNIV_INTERN +void +lock_sys_close(void); +/*================*/ +/*********************************************************************//** +Checks if some transaction has an implicit x-lock on a record in a clustered +index. +@return transaction which has the x-lock, or NULL */ +UNIV_INLINE +trx_t* +lock_clust_rec_some_has_impl( +/*=========================*/ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ +/*********************************************************************//** +Gets the heap_no of the smallest user record on a page. +@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ +UNIV_INLINE +ulint +lock_get_min_heap_no( +/*=================*/ + const buf_block_t* block); /*!< in: buffer block */ +/*************************************************************//** +Updates the lock table when we have reorganized a page. NOTE: we copy +also the locks set on the infimum of the page; the infimum may carry +locks if an update of a record is occurring on the page, and its locks +were temporarily stored on the infimum. */ +UNIV_INTERN +void +lock_move_reorganize_page( +/*======================*/ + const buf_block_t* block, /*!< in: old index page, now + reorganized */ + const buf_block_t* oblock);/*!< in: copy of the old, not + reorganized page */ +/*************************************************************//** +Moves the explicit locks on user records to another page if a record +list end is moved to another page. */ +UNIV_INTERN +void +lock_move_rec_list_end( +/*===================*/ + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec); /*!< in: record on page: this + is the first record moved */ +/*************************************************************//** +Moves the explicit locks on user records to another page if a record +list start is moved to another page. */ +UNIV_INTERN +void +lock_move_rec_list_start( +/*=====================*/ + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec, /*!< in: record on page: + this is the first + record NOT copied */ + const rec_t* old_end); /*!< in: old + previous-to-last + record on new_page + before the records + were copied */ +/*************************************************************//** +Updates the lock table when a page is split to the right. */ +UNIV_INTERN +void +lock_update_split_right( +/*====================*/ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block); /*!< in: left page */ +/*************************************************************//** +Updates the lock table when a page is merged to the right. */ +UNIV_INTERN +void +lock_update_merge_right( +/*====================*/ + const buf_block_t* right_block, /*!< in: right page to + which merged */ + const rec_t* orig_succ, /*!< in: original + successor of infimum + on the right page + before merge */ + const buf_block_t* left_block); /*!< in: merged index + page which will be + discarded */ +/*************************************************************//** +Updates the lock table when the root page is copied to another in +btr_root_raise_and_insert. Note that we leave lock structs on the +root page, even though they do not make sense on other than leaf +pages: the reason is that in a pessimistic update the infimum record +of the root page will act as a dummy carrier of the locks of the record +to be updated. */ +UNIV_INTERN +void +lock_update_root_raise( +/*===================*/ + const buf_block_t* block, /*!< in: index page to which copied */ + const buf_block_t* root); /*!< in: root page */ +/*************************************************************//** +Updates the lock table when a page is copied to another and the original page +is removed from the chain of leaf pages, except if page is the root! */ +UNIV_INTERN +void +lock_update_copy_and_discard( +/*=========================*/ + const buf_block_t* new_block, /*!< in: index page to + which copied */ + const buf_block_t* block); /*!< in: index page; + NOT the root! */ +/*************************************************************//** +Updates the lock table when a page is split to the left. */ +UNIV_INTERN +void +lock_update_split_left( +/*===================*/ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block); /*!< in: left page */ +/*************************************************************//** +Updates the lock table when a page is merged to the left. */ +UNIV_INTERN +void +lock_update_merge_left( +/*===================*/ + const buf_block_t* left_block, /*!< in: left page to + which merged */ + const rec_t* orig_pred, /*!< in: original predecessor + of supremum on the left page + before merge */ + const buf_block_t* right_block); /*!< in: merged index page + which will be discarded */ +/*************************************************************//** +Resets the original locks on heir and replaces them with gap type locks +inherited from rec. */ +UNIV_INTERN +void +lock_rec_reset_and_inherit_gap_locks( +/*=================================*/ + const buf_block_t* heir_block, /*!< in: block containing the + record which inherits */ + const buf_block_t* block, /*!< in: block containing the + record from which inherited; + does NOT reset the locks on + this record */ + ulint heir_heap_no, /*!< in: heap_no of the + inheriting record */ + ulint heap_no); /*!< in: heap_no of the + donating record */ +/*************************************************************//** +Updates the lock table when a page is discarded. */ +UNIV_INTERN +void +lock_update_discard( +/*================*/ + const buf_block_t* heir_block, /*!< in: index page + which will inherit the locks */ + ulint heir_heap_no, /*!< in: heap_no of the record + which will inherit the locks */ + const buf_block_t* block); /*!< in: index page + which will be discarded */ +/*************************************************************//** +Updates the lock table when a new user record is inserted. */ +UNIV_INTERN +void +lock_update_insert( +/*===============*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: the inserted record */ +/*************************************************************//** +Updates the lock table when a record is removed. */ +UNIV_INTERN +void +lock_update_delete( +/*===============*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: the record to be removed */ +/*********************************************************************//** +Stores on the page infimum record the explicit locks of another record. +This function is used to store the lock state of a record when it is +updated and the size of the record changes in the update. The record +is in such an update moved, perhaps to another page. The infimum record +acts as a dummy carrier record, taking care of lock releases while the +actual record is being moved. */ +UNIV_INTERN +void +lock_rec_store_on_page_infimum( +/*===========================*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec); /*!< in: record whose lock state + is stored on the infimum + record of the same page; lock + bits are reset on the + record */ +/*********************************************************************//** +Restores the state of explicit lock requests on a single record, where the +state was stored on the infimum of the page. */ +UNIV_INTERN +void +lock_rec_restore_from_page_infimum( +/*===============================*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record whose lock state + is restored */ + const buf_block_t* donator);/*!< in: page (rec is not + necessarily on this page) + whose infimum stored the lock + state; lock bits are reset on + the infimum */ +/*********************************************************************//** +Returns TRUE if there are explicit record locks on a page. +@return TRUE if there are explicit record locks on the page */ +UNIV_INTERN +ibool +lock_rec_expl_exist_on_page( +/*========================*/ + ulint space, /*!< in: space id */ + ulint page_no);/*!< in: page number */ +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate insert of +a record. If they do, first tests if the query thread should anyway +be suspended for some reason; if not, then puts the transaction and +the query thread to the lock wait state and inserts a waiting request +for a gap x-lock to the lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_rec_insert_check_and_lock( +/*===========================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is + set, does nothing */ + const rec_t* rec, /*!< in: record after which to insert */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + dict_index_t* index, /*!< in: index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit);/*!< out: set to TRUE if the new + inserted record maybe should inherit + LOCK_GAP type locks from the successor + record */ +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate modify (update, +delete mark, or delete unmark) of a clustered index record. If they do, +first tests if the query thread should anyway be suspended for some +reason; if not, then puts the transaction and the query thread to the +lock wait state and inserts a waiting request for a record x-lock to the +lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_modify_check_and_lock( +/*=================================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be + modified */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate modify +(delete mark or delete unmark) of a secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_sec_rec_modify_check_and_lock( +/*===============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be + modified; NOTE: as this is a secondary + index, we always have to modify the + clustered index record first: see the + comment below */ + dict_index_t* index, /*!< in: secondary index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr); /*!< in/out: mini-transaction */ +/*********************************************************************//** +Like the counterpart for a clustered index below, but now we read a +secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_sec_rec_read_check_and_lock( +/*=============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate read, or passing +over by a read cursor, of a clustered index record. If they do, first tests +if the query thread should anyway be suspended for some reason; if not, then +puts the transaction and the query thread to the lock wait state and inserts a +waiting request for a record lock to the lock queue. Sets the requested mode +lock on the record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_read_check_and_lock( +/*===============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate read, or passing +over by a read cursor, of a clustered index record. If they do, first tests +if the query thread should anyway be suspended for some reason; if not, then +puts the transaction and the query thread to the lock wait state and inserts a +waiting request for a record lock to the lock queue. Sets the requested mode +lock on the record. This is an alternative version of +lock_clust_rec_read_check_and_lock() that does not require the parameter +"offsets". +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_read_check_and_lock_alt( +/*===================================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: clustered index */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +Checks that a record is seen in a consistent read. +@return TRUE if sees, or FALSE if an earlier version of the record +should be retrieved */ +UNIV_INTERN +ibool +lock_clust_rec_cons_read_sees( +/*==========================*/ + const rec_t* rec, /*!< in: user record which should be read or + passed over by a read cursor */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + read_view_t* view); /*!< in: consistent read view */ +/*********************************************************************//** +Checks that a non-clustered index record is seen in a consistent read. + +NOTE that a non-clustered index page contains so little information on +its modifications that also in the case FALSE, the present version of +rec may be the right, but we must check this from the clustered index +record. + +@return TRUE if certainly sees, or FALSE if an earlier version of the +clustered index record might be needed */ +UNIV_INTERN +ulint +lock_sec_rec_cons_read_sees( +/*========================*/ + const rec_t* rec, /*!< in: user record which + should be read or passed over + by a read cursor */ + const read_view_t* view); /*!< in: consistent read view */ +/*********************************************************************//** +Locks the specified database table in the mode given. If the lock cannot +be granted immediately, the query thread is put to wait. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_table( +/*=======*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, + does nothing */ + dict_table_t* table, /*!< in: database table in dictionary cache */ + enum lock_mode mode, /*!< in: lock mode */ + que_thr_t* thr); /*!< in: query thread */ +/*************************************************************//** +Removes a granted record lock of a transaction from the queue and grants +locks to other transactions waiting in the queue if they now are entitled +to a lock. */ +UNIV_INTERN +void +lock_rec_unlock( +/*============*/ + trx_t* trx, /*!< in: transaction that has + set a record lock */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record */ + enum lock_mode lock_mode);/*!< in: LOCK_S or LOCK_X */ +/*********************************************************************//** +Releases transaction locks, and releases possible other transactions waiting +because of these locks. */ +UNIV_INTERN +void +lock_release_off_kernel( +/*====================*/ + trx_t* trx); /*!< in: transaction */ +/*********************************************************************//** +Cancels a waiting lock request and releases possible other transactions +waiting behind it. */ +UNIV_INTERN +void +lock_cancel_waiting_and_release( +/*============================*/ + lock_t* lock); /*!< in: waiting lock request */ + +/*********************************************************************//** +Removes locks on a table to be dropped or truncated. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ +UNIV_INTERN +void +lock_remove_all_on_table( +/*=====================*/ + dict_table_t* table, /*!< in: table to be dropped + or truncated */ + ibool remove_also_table_sx_locks);/*!< in: also removes + table S and X locks */ + +/*********************************************************************//** +Calculates the fold value of a page file address: used in inserting or +searching for a lock in the hash table. +@return folded value */ +UNIV_INLINE +ulint +lock_rec_fold( +/*==========*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ + __attribute__((const)); +/*********************************************************************//** +Calculates the hash value of a page file address: used in inserting or +searching for a lock in the hash table. +@return hashed value */ +UNIV_INLINE +ulint +lock_rec_hash( +/*==========*/ + ulint space, /*!< in: space */ + ulint page_no);/*!< in: page number */ + +/**********************************************************************//** +Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, +if none found. +@return bit index == heap number of the record, or ULINT_UNDEFINED if +none found */ +UNIV_INTERN +ulint +lock_rec_find_set_bit( +/*==================*/ + const lock_t* lock); /*!< in: record lock with at least one + bit set */ + +/*********************************************************************//** +Gets the source table of an ALTER TABLE transaction. The table must be +covered by an IX or IS table lock. +@return the source table of transaction, if it is covered by an IX or +IS table lock; dest if there is no source table, and NULL if the +transaction is locking more than two tables or an inconsistency is +found */ +UNIV_INTERN +dict_table_t* +lock_get_src_table( +/*===============*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* dest, /*!< in: destination of ALTER TABLE */ + enum lock_mode* mode); /*!< out: lock mode of the source table */ +/*********************************************************************//** +Determine if the given table is exclusively "owned" by the given +transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC +on the table. +@return TRUE if table is only locked by trx, with LOCK_IX, and +possibly LOCK_AUTO_INC */ +UNIV_INTERN +ibool +lock_is_table_exclusive( +/*====================*/ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction */ +/*********************************************************************//** +Checks if a lock request lock1 has to wait for request lock2. +@return TRUE if lock1 has to wait for lock2 to be removed */ +UNIV_INTERN +ibool +lock_has_to_wait( +/*=============*/ + const lock_t* lock1, /*!< in: waiting lock */ + const lock_t* lock2); /*!< in: another lock; NOTE that it is + assumed that this has a lock bit set + on the same record as in lock1 if the + locks are record locks */ +/*********************************************************************//** +Checks that a transaction id is sensible, i.e., not in the future. +@return TRUE if ok */ +UNIV_INTERN +ibool +lock_check_trx_id_sanity( +/*=====================*/ + trx_id_t trx_id, /*!< in: trx id */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ibool has_kernel_mutex);/*!< in: TRUE if the caller owns the + kernel mutex */ +/*********************************************************************//** +Prints info of a table lock. */ +UNIV_INTERN +void +lock_table_print( +/*=============*/ + FILE* file, /*!< in: file where to print */ + const lock_t* lock); /*!< in: table type lock */ +/*********************************************************************//** +Prints info of a record lock. */ +UNIV_INTERN +void +lock_rec_print( +/*===========*/ + FILE* file, /*!< in: file where to print */ + const lock_t* lock); /*!< in: record type lock */ +/*********************************************************************//** +Prints info of locks for all transactions. +@return FALSE if not able to obtain kernel mutex +and exits without printing info */ +UNIV_INTERN +ibool +lock_print_info_summary( +/*====================*/ + FILE* file, /*!< in: file where to print */ + ibool nowait);/*!< in: whether to wait for the kernel mutex */ +/************************************************************************* +Prints info of locks for each transaction. */ +UNIV_INTERN +void +lock_print_info_all_transactions( +/*=============================*/ + FILE* file); /*!< in: file where to print */ +/*********************************************************************//** +Return approximate number or record locks (bits set in the bitmap) for +this transaction. Since delete-marked records may be removed, the +record count will not be precise. */ +UNIV_INTERN +ulint +lock_number_of_rows_locked( +/*=======================*/ + trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** +Check if a transaction holds any autoinc locks. +@return TRUE if the transaction holds any AUTOINC locks. */ +UNIV_INTERN +ibool +lock_trx_holds_autoinc_locks( +/*=========================*/ + const trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** +Release all the transaction's autoinc locks. */ +UNIV_INTERN +void +lock_release_autoinc_locks( +/*=======================*/ + trx_t* trx); /*!< in/out: transaction */ + +/*******************************************************************//** +Gets the type of a lock. Non-inline version for using outside of the +lock module. +@return LOCK_TABLE or LOCK_REC */ +UNIV_INTERN +ulint +lock_get_type( +/*==========*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +Gets the id of the transaction owning a lock. +@return transaction id */ +UNIV_INTERN +ullint +lock_get_trx_id( +/*============*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +Gets the mode of a lock in a human readable string. +The string should not be free()'d or modified. +@return lock mode */ +UNIV_INTERN +const char* +lock_get_mode_str( +/*==============*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +Gets the type of a lock in a human readable string. +The string should not be free()'d or modified. +@return lock type */ +UNIV_INTERN +const char* +lock_get_type_str( +/*==============*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +Gets the id of the table on which the lock is. +@return id of the table */ +UNIV_INTERN +ullint +lock_get_table_id( +/*==============*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +Gets the name of the table on which the lock is. +The string should not be free()'d or modified. +@return name of the table */ +UNIV_INTERN +const char* +lock_get_table_name( +/*================*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +For a record lock, gets the index on which the lock is. +@return index */ +UNIV_INTERN +const dict_index_t* +lock_rec_get_index( +/*===============*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +For a record lock, gets the name of the index on which the lock is. +The string should not be free()'d or modified. +@return name of the index */ +UNIV_INTERN +const char* +lock_rec_get_index_name( +/*====================*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +For a record lock, gets the tablespace number on which the lock is. +@return tablespace number */ +UNIV_INTERN +ulint +lock_rec_get_space_id( +/*==================*/ + const lock_t* lock); /*!< in: lock */ + +/*******************************************************************//** +For a record lock, gets the page number on which the lock is. +@return page number */ +UNIV_INTERN +ulint +lock_rec_get_page_no( +/*=================*/ + const lock_t* lock); /*!< in: lock */ + +/** Lock modes and types */ +/* @{ */ +#define LOCK_MODE_MASK 0xFUL /*!< mask used to extract mode from the + type_mode field in a lock */ +/** Lock types */ +/* @{ */ +#define LOCK_TABLE 16 /*!< table lock */ +#define LOCK_REC 32 /*!< record lock */ +#define LOCK_TYPE_MASK 0xF0UL /*!< mask used to extract lock type from the + type_mode field in a lock */ +#if LOCK_MODE_MASK & LOCK_TYPE_MASK +# error "LOCK_MODE_MASK & LOCK_TYPE_MASK" +#endif + +#define LOCK_WAIT 256 /*!< Waiting lock flag; when set, it + means that the lock has not yet been + granted, it is just waiting for its + turn in the wait queue */ +/* Precise modes */ +#define LOCK_ORDINARY 0 /*!< this flag denotes an ordinary + next-key lock in contrast to LOCK_GAP + or LOCK_REC_NOT_GAP */ +#define LOCK_GAP 512 /*!< when this bit is set, it means that the + lock holds only on the gap before the record; + for instance, an x-lock on the gap does not + give permission to modify the record on which + the bit is set; locks of this type are created + when records are removed from the index chain + of records */ +#define LOCK_REC_NOT_GAP 1024 /*!< this bit means that the lock is only on + the index record and does NOT block inserts + to the gap before the index record; this is + used in the case when we retrieve a record + with a unique key, and is also used in + locking plain SELECTs (not part of UPDATE + or DELETE) when the user has set the READ + COMMITTED isolation level */ +#define LOCK_INSERT_INTENTION 2048 /*!< this bit is set when we place a waiting + gap type record lock request in order to let + an insert of an index record to wait until + there are no conflicting locks by other + transactions on the gap; note that this flag + remains set when the waiting lock is granted, + or if the lock is inherited to a neighboring + record */ +#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_MODE_MASK +# error +#endif +#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_TYPE_MASK +# error +#endif +/* @} */ + +/** Lock operation struct */ +typedef struct lock_op_struct lock_op_t; +/** Lock operation struct */ +struct lock_op_struct{ + dict_table_t* table; /*!< table to be locked */ + enum lock_mode mode; /*!< lock mode */ +}; + +/** The lock system struct */ +struct lock_sys_struct{ + hash_table_t* rec_hash; /*!< hash table of the record locks */ +}; + +/** The lock system */ +extern lock_sys_t* lock_sys; + + +#ifndef UNIV_NONINL +#include "lock0lock.ic" +#endif + +#endif diff --git a/perfschema/include/lock0lock.ic b/perfschema/include/lock0lock.ic new file mode 100644 index 00000000000..014722f51c4 --- /dev/null +++ b/perfschema/include/lock0lock.ic @@ -0,0 +1,121 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0lock.ic +The transaction lock system + +Created 5/7/1996 Heikki Tuuri +*******************************************************/ + +#include "sync0sync.h" +#include "srv0srv.h" +#include "dict0dict.h" +#include "row0row.h" +#include "trx0sys.h" +#include "trx0trx.h" +#include "buf0buf.h" +#include "page0page.h" +#include "page0cur.h" +#include "row0vers.h" +#include "que0que.h" +#include "btr0cur.h" +#include "read0read.h" +#include "log0recv.h" + +/*********************************************************************//** +Calculates the fold value of a page file address: used in inserting or +searching for a lock in the hash table. +@return folded value */ +UNIV_INLINE +ulint +lock_rec_fold( +/*==========*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + return(ut_fold_ulint_pair(space, page_no)); +} + +/*********************************************************************//** +Calculates the hash value of a page file address: used in inserting or +searching for a lock in the hash table. +@return hashed value */ +UNIV_INLINE +ulint +lock_rec_hash( +/*==========*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + return(hash_calc_hash(lock_rec_fold(space, page_no), + lock_sys->rec_hash)); +} + +/*********************************************************************//** +Checks if some transaction has an implicit x-lock on a record in a clustered +index. +@return transaction which has the x-lock, or NULL */ +UNIV_INLINE +trx_t* +lock_clust_rec_some_has_impl( +/*=========================*/ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + trx_id_t trx_id; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(dict_index_is_clust(index)); + ut_ad(page_rec_is_user_rec(rec)); + + trx_id = row_get_rec_trx_id(rec, index, offsets); + + if (trx_is_active(trx_id)) { + /* The modifying or inserting transaction is active */ + + return(trx_get_on_id(trx_id)); + } + + return(NULL); +} + +/*********************************************************************//** +Gets the heap_no of the smallest user record on a page. +@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ +UNIV_INLINE +ulint +lock_get_min_heap_no( +/*=================*/ + const buf_block_t* block) /*!< in: buffer block */ +{ + const page_t* page = block->frame; + + if (page_is_comp(page)) { + return(rec_get_heap_no_new( + page + + rec_get_next_offs(page + PAGE_NEW_INFIMUM, + TRUE))); + } else { + return(rec_get_heap_no_old( + page + + rec_get_next_offs(page + PAGE_OLD_INFIMUM, + FALSE))); + } +} diff --git a/perfschema/include/lock0priv.h b/perfschema/include/lock0priv.h new file mode 100644 index 00000000000..287c151b19f --- /dev/null +++ b/perfschema/include/lock0priv.h @@ -0,0 +1,108 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0priv.h +Lock module internal structures and methods. + +Created July 12, 2007 Vasil Dimov +*******************************************************/ + +#ifndef lock0priv_h +#define lock0priv_h + +#ifndef LOCK_MODULE_IMPLEMENTATION +/* If you need to access members of the structures defined in this +file, please write appropriate functions that retrieve them and put +those functions in lock/ */ +#error Do not include lock0priv.h outside of the lock/ module +#endif + +#include "univ.i" +#include "dict0types.h" +#include "hash0hash.h" +#include "trx0types.h" +#include "ut0lst.h" + +/** A table lock */ +typedef struct lock_table_struct lock_table_t; +/** A table lock */ +struct lock_table_struct { + dict_table_t* table; /*!< database table in dictionary + cache */ + UT_LIST_NODE_T(lock_t) + locks; /*!< list of locks on the same + table */ +}; + +/** Record lock for a page */ +typedef struct lock_rec_struct lock_rec_t; +/** Record lock for a page */ +struct lock_rec_struct { + ulint space; /*!< space id */ + ulint page_no; /*!< page number */ + ulint n_bits; /*!< number of bits in the lock + bitmap; NOTE: the lock bitmap is + placed immediately after the + lock struct */ +}; + +/** Lock struct */ +struct lock_struct { + trx_t* trx; /*!< transaction owning the + lock */ + UT_LIST_NODE_T(lock_t) + trx_locks; /*!< list of the locks of the + transaction */ + ulint type_mode; /*!< lock type, mode, LOCK_GAP or + LOCK_REC_NOT_GAP, + LOCK_INSERT_INTENTION, + wait flag, ORed */ + hash_node_t hash; /*!< hash chain node for a record + lock */ + dict_index_t* index; /*!< index for a record lock */ + union { + lock_table_t tab_lock;/*!< table lock */ + lock_rec_t rec_lock;/*!< record lock */ + } un_member; /*!< lock details */ +}; + +/*********************************************************************//** +Gets the type of a lock. +@return LOCK_TABLE or LOCK_REC */ +UNIV_INLINE +ulint +lock_get_type_low( +/*==============*/ + const lock_t* lock); /*!< in: lock */ + +/*********************************************************************//** +Gets the previous record lock set on a record. +@return previous lock on the same record, NULL if none exists */ +UNIV_INTERN +const lock_t* +lock_rec_get_prev( +/*==============*/ + const lock_t* in_lock,/*!< in: record lock */ + ulint heap_no);/*!< in: heap number of the record */ + +#ifndef UNIV_NONINL +#include "lock0priv.ic" +#endif + +#endif /* lock0priv_h */ diff --git a/perfschema/include/lock0priv.ic b/perfschema/include/lock0priv.ic new file mode 100644 index 00000000000..30447c99848 --- /dev/null +++ b/perfschema/include/lock0priv.ic @@ -0,0 +1,49 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0priv.ic +Lock module internal inline methods. + +Created July 16, 2007 Vasil Dimov +*******************************************************/ + +/* This file contains only methods which are used in +lock/lock0* files, other than lock/lock0lock.c. +I.e. lock/lock0lock.c contains more internal inline +methods but they are used only in that file. */ + +#ifndef LOCK_MODULE_IMPLEMENTATION +#error Do not include lock0priv.ic outside of the lock/ module +#endif + +/*********************************************************************//** +Gets the type of a lock. +@return LOCK_TABLE or LOCK_REC */ +UNIV_INLINE +ulint +lock_get_type_low( +/*==============*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_ad(lock); + + return(lock->type_mode & LOCK_TYPE_MASK); +} + +/* vim: set filetype=c: */ diff --git a/perfschema/include/lock0types.h b/perfschema/include/lock0types.h new file mode 100644 index 00000000000..45f29e90fe9 --- /dev/null +++ b/perfschema/include/lock0types.h @@ -0,0 +1,45 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/lock0types.h +The transaction lock system global types + +Created 5/7/1996 Heikki Tuuri +*******************************************************/ + +#ifndef lock0types_h +#define lock0types_h + +#define lock_t ib_lock_t +typedef struct lock_struct lock_t; +typedef struct lock_sys_struct lock_sys_t; + +/* Basic lock modes */ +enum lock_mode { + LOCK_IS = 0, /* intention shared */ + LOCK_IX, /* intention exclusive */ + LOCK_S, /* shared */ + LOCK_X, /* exclusive */ + LOCK_AUTO_INC, /* locks the auto-inc counter of a table + in an exclusive mode */ + LOCK_NONE, /* this is used elsewhere to note consistent read */ + LOCK_NUM = LOCK_NONE/* number of lock modes */ +}; + +#endif diff --git a/perfschema/include/log0log.h b/perfschema/include/log0log.h new file mode 100644 index 00000000000..8fce4ef96bc --- /dev/null +++ b/perfschema/include/log0log.h @@ -0,0 +1,969 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/log0log.h +Database log + +Created 12/9/1995 Heikki Tuuri +*******************************************************/ + +#ifndef log0log_h +#define log0log_h + +#include "univ.i" +#include "ut0byte.h" +#include "ut0lst.h" +#ifndef UNIV_HOTBACKUP +#include "sync0sync.h" +#include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ + +/** Redo log buffer */ +typedef struct log_struct log_t; +/** Redo log group */ +typedef struct log_group_struct log_group_t; + +#ifdef UNIV_DEBUG +/** Flag: write to log file? */ +extern ibool log_do_write; +/** Flag: enable debug output when writing to the log? */ +extern ibool log_debug_writes; +#else /* UNIV_DEBUG */ +/** Write to log */ +# define log_do_write TRUE +#endif /* UNIV_DEBUG */ + +/** Wait modes for log_write_up_to @{ */ +#define LOG_NO_WAIT 91 +#define LOG_WAIT_ONE_GROUP 92 +#define LOG_WAIT_ALL_GROUPS 93 +/* @} */ +/** Maximum number of log groups in log_group_struct::checkpoint_buf */ +#define LOG_MAX_N_GROUPS 32 + +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, +so that we know that the limit has been written to a log checkpoint field +on disk. */ +UNIV_INTERN +void +log_fsp_current_free_limit_set_and_checkpoint( +/*==========================================*/ + ulint limit); /*!< in: limit to set */ +#endif /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Calculates where in log files we find a specified lsn. +@return log file number */ +UNIV_INTERN +ulint +log_calc_where_lsn_is( +/*==================*/ + ib_int64_t* log_file_offset, /*!< out: offset in that file + (including the header) */ + ib_uint64_t first_header_lsn, /*!< in: first log file start + lsn */ + ib_uint64_t lsn, /*!< in: lsn whose position to + determine */ + ulint n_log_files, /*!< in: total number of log + files */ + ib_int64_t log_file_size); /*!< in: log file size + (including the header) */ +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Writes to the log the string given. The log must be released with +log_release. +@return end lsn of the log record, zero if did not succeed */ +UNIV_INLINE +ib_uint64_t +log_reserve_and_write_fast( +/*=======================*/ + const void* str, /*!< in: string */ + ulint len, /*!< in: string length */ + ib_uint64_t* start_lsn);/*!< out: start lsn of the log record */ +/***********************************************************************//** +Releases the log mutex. */ +UNIV_INLINE +void +log_release(void); +/*=============*/ +/***********************************************************************//** +Checks if there is need for a log buffer flush or a new checkpoint, and does +this if yes. Any database operation should call this when it has modified +more than about 4 pages. NOTE that this function may only be called when the +OS thread owns no synchronization objects except the dictionary mutex. */ +UNIV_INLINE +void +log_free_check(void); +/*================*/ +/************************************************************//** +Opens the log for log_write_low. The log must be closed with log_close and +released with log_release. +@return start lsn of the log record */ +UNIV_INTERN +ib_uint64_t +log_reserve_and_open( +/*=================*/ + ulint len); /*!< in: length of data to be catenated */ +/************************************************************//** +Writes to the log the string given. It is assumed that the caller holds the +log mutex. */ +UNIV_INTERN +void +log_write_low( +/*==========*/ + byte* str, /*!< in: string */ + ulint str_len); /*!< in: string length */ +/************************************************************//** +Closes the log. +@return lsn */ +UNIV_INTERN +ib_uint64_t +log_close(void); +/*===========*/ +/************************************************************//** +Gets the current lsn. +@return current lsn */ +UNIV_INLINE +ib_uint64_t +log_get_lsn(void); +/*=============*/ +/**************************************************************** +Gets the log group capacity. It is OK to read the value without +holding log_sys->mutex because it is constant. +@return log group capacity */ +UNIV_INLINE +ulint +log_get_capacity(void); +/*==================*/ +/******************************************************//** +Initializes the log. */ +UNIV_INTERN +void +log_init(void); +/*==========*/ +/******************************************************************//** +Inits a log group to the log system. */ +UNIV_INTERN +void +log_group_init( +/*===========*/ + ulint id, /*!< in: group id */ + ulint n_files, /*!< in: number of log files */ + ulint file_size, /*!< in: log file size in bytes */ + ulint space_id, /*!< in: space id of the file space + which contains the log files of this + group */ + ulint archive_space_id); /*!< in: space id of the file space + which contains some archived log + files for this group; currently, only + for the first log group this is + used */ +/******************************************************//** +Completes an i/o to a log file. */ +UNIV_INTERN +void +log_io_complete( +/*============*/ + log_group_t* group); /*!< in: log group */ +/******************************************************//** +This function is called, e.g., when a transaction wants to commit. It checks +that the log has been written to the log file up to the last log entry written +by the transaction. If there is a flush running, it waits and checks if the +flush flushed enough. If not, starts a new flush. */ +UNIV_INTERN +void +log_write_up_to( +/*============*/ + ib_uint64_t lsn, /*!< in: log sequence number up to which + the log should be written, + IB_ULONGLONG_MAX if not specified */ + ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, + or LOG_WAIT_ALL_GROUPS */ + ibool flush_to_disk); + /*!< in: TRUE if we want the written log + also to be flushed to disk */ +/****************************************************************//** +Does a syncronous flush of the log buffer to disk. */ +UNIV_INTERN +void +log_buffer_flush_to_disk(void); +/*==========================*/ +/****************************************************************//** +This functions writes the log buffer to the log file and if 'flush' +is set it forces a flush of the log file as well. This is meant to be +called from background master thread only as it does not wait for +the write (+ possible flush) to finish. */ +UNIV_INTERN +void +log_buffer_sync_in_background( +/*==========================*/ + ibool flush); /*checkpoint_buf. */ +UNIV_INTERN +void +log_group_read_checkpoint_info( +/*===========================*/ + log_group_t* group, /*!< in: log group */ + ulint field); /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ +/*******************************************************************//** +Gets info from a checkpoint about a log group. */ +UNIV_INTERN +void +log_checkpoint_get_nth_group_info( +/*==============================*/ + const byte* buf, /*!< in: buffer containing checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint* file_no,/*!< out: archived file number */ + ulint* offset);/*!< out: archived file offset */ +/******************************************************//** +Writes checkpoint info to groups. */ +UNIV_INTERN +void +log_groups_write_checkpoint_info(void); +/*==================================*/ +/********************************************************************//** +Starts an archiving operation. +@return TRUE if succeed, FALSE if an archiving operation was already running */ +UNIV_INTERN +ibool +log_archive_do( +/*===========*/ + ibool sync, /*!< in: TRUE if synchronous operation is desired */ + ulint* n_bytes);/*!< out: archive log buffer size, 0 if nothing to + archive */ +/****************************************************************//** +Writes the log contents to the archive up to the lsn when this function was +called, and stops the archiving. When archiving is started again, the archived +log file numbers start from a number one higher, so that the archiving will +not write again to the archived log files which exist when this function +returns. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_stop(void); +/*==================*/ +/****************************************************************//** +Starts again archiving which has been stopped. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_start(void); +/*===================*/ +/****************************************************************//** +Stop archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_noarchivelog(void); +/*==========================*/ +/****************************************************************//** +Start archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_archivelog(void); +/*========================*/ +/******************************************************//** +Generates an archived log file name. */ +UNIV_INTERN +void +log_archived_file_name_gen( +/*=======================*/ + char* buf, /*!< in: buffer where to write */ + ulint id, /*!< in: group id */ + ulint file_no);/*!< in: file number */ +#else /* !UNIV_HOTBACKUP */ +/******************************************************//** +Writes info to a buffer of a log group when log files are created in +backup restoration. */ +UNIV_INTERN +void +log_reset_first_header_and_checkpoint( +/*==================================*/ + byte* hdr_buf,/*!< in: buffer which will be written to the + start of the first log file */ + ib_uint64_t start); /*!< in: lsn of the start of the first log file; + we pretend that there is a checkpoint at + start + LOG_BLOCK_HDR_SIZE */ +#endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Checks that there is enough free space in the log to start a new query step. +Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this +function may only be called if the calling thread owns no synchronization +objects! */ +UNIV_INTERN +void +log_check_margins(void); +/*===================*/ +#ifndef UNIV_HOTBACKUP +/******************************************************//** +Reads a specified log segment to a buffer. */ +UNIV_INTERN +void +log_group_read_log_seg( +/*===================*/ + ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ + byte* buf, /*!< in: buffer where to read */ + log_group_t* group, /*!< in: log group */ + ib_uint64_t start_lsn, /*!< in: read area start */ + ib_uint64_t end_lsn); /*!< in: read area end */ +/******************************************************//** +Writes a buffer to a log file group. */ +UNIV_INTERN +void +log_group_write_buf( +/*================*/ + log_group_t* group, /*!< in: log group */ + byte* buf, /*!< in: buffer */ + ulint len, /*!< in: buffer len; must be divisible + by OS_FILE_LOG_BLOCK_SIZE */ + ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must + be divisible by + OS_FILE_LOG_BLOCK_SIZE */ + ulint new_data_offset);/*!< in: start offset of new data in + buf: this parameter is used to decide + if we have to write a new log file + header */ +/********************************************************//** +Sets the field values in group to correspond to a given lsn. For this function +to work, the values must already be correctly initialized to correspond to +some lsn, for instance, a checkpoint lsn. */ +UNIV_INTERN +void +log_group_set_fields( +/*=================*/ + log_group_t* group, /*!< in/out: group */ + ib_uint64_t lsn); /*!< in: lsn for which the values should be + set */ +/******************************************************//** +Calculates the data capacity of a log group, when the log file headers are not +included. +@return capacity in bytes */ +UNIV_INTERN +ulint +log_group_get_capacity( +/*===================*/ + const log_group_t* group); /*!< in: log group */ +#endif /* !UNIV_HOTBACKUP */ +/************************************************************//** +Gets a log block flush bit. +@return TRUE if this block was the first to be written in a log flush */ +UNIV_INLINE +ibool +log_block_get_flush_bit( +/*====================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Gets a log block number stored in the header. +@return log block number stored in the block header */ +UNIV_INLINE +ulint +log_block_get_hdr_no( +/*=================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Gets a log block data length. +@return log block data length measured as a byte offset from the block start */ +UNIV_INLINE +ulint +log_block_get_data_len( +/*===================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Sets the log block data length. */ +UNIV_INLINE +void +log_block_set_data_len( +/*===================*/ + byte* log_block, /*!< in/out: log block */ + ulint len); /*!< in: data length */ +/************************************************************//** +Calculates the checksum for a log block. +@return checksum */ +UNIV_INLINE +ulint +log_block_calc_checksum( +/*====================*/ + const byte* block); /*!< in: log block */ +/************************************************************//** +Gets a log block checksum field value. +@return checksum */ +UNIV_INLINE +ulint +log_block_get_checksum( +/*===================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Sets a log block checksum field value. */ +UNIV_INLINE +void +log_block_set_checksum( +/*===================*/ + byte* log_block, /*!< in/out: log block */ + ulint checksum); /*!< in: checksum */ +/************************************************************//** +Gets a log block first mtr log record group offset. +@return first mtr log record group byte offset from the block start, 0 +if none */ +UNIV_INLINE +ulint +log_block_get_first_rec_group( +/*==========================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Sets the log block first mtr log record group offset. */ +UNIV_INLINE +void +log_block_set_first_rec_group( +/*==========================*/ + byte* log_block, /*!< in/out: log block */ + ulint offset); /*!< in: offset, 0 if none */ +/************************************************************//** +Gets a log block checkpoint number field (4 lowest bytes). +@return checkpoint no (4 lowest bytes) */ +UNIV_INLINE +ulint +log_block_get_checkpoint_no( +/*========================*/ + const byte* log_block); /*!< in: log block */ +/************************************************************//** +Initializes a log block in the log buffer. */ +UNIV_INLINE +void +log_block_init( +/*===========*/ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn); /*!< in: lsn within the log block */ +/************************************************************//** +Initializes a log block in the log buffer in the old, < 3.23.52 format, where +there was no checksum yet. */ +UNIV_INLINE +void +log_block_init_in_old_format( +/*=========================*/ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn); /*!< in: lsn within the log block */ +/************************************************************//** +Converts a lsn to a log block number. +@return log block number, it is > 0 and <= 1G */ +UNIV_INLINE +ulint +log_block_convert_lsn_to_no( +/*========================*/ + ib_uint64_t lsn); /*!< in: lsn of a byte within the block */ +/******************************************************//** +Prints info of the log. */ +UNIV_INTERN +void +log_print( +/*======*/ + FILE* file); /*!< in: file where to print */ +/******************************************************//** +Peeks the current lsn. +@return TRUE if success, FALSE if could not get the log system mutex */ +UNIV_INTERN +ibool +log_peek_lsn( +/*=========*/ + ib_uint64_t* lsn); /*!< out: if returns TRUE, current lsn is here */ +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +log_refresh_stats(void); +/*===================*/ +/********************************************************** +Shutdown the log system but do not release all the memory. */ +UNIV_INTERN +void +log_shutdown(void); +/*==============*/ +/********************************************************** +Free the log system data structures. */ +UNIV_INTERN +void +log_mem_free(void); +/*==============*/ + +extern log_t* log_sys; + +/* Values used as flags */ +#define LOG_FLUSH 7652559 +#define LOG_CHECKPOINT 78656949 +#ifdef UNIV_LOG_ARCHIVE +# define LOG_ARCHIVE 11122331 +#endif /* UNIV_LOG_ARCHIVE */ +#define LOG_RECOVER 98887331 + +/* The counting of lsn's starts from this value: this must be non-zero */ +#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_SIZE)) + +#define LOG_BUFFER_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE) +#define LOG_ARCHIVE_BUF_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE / 4) + +/* Offsets of a log block header */ +#define LOG_BLOCK_HDR_NO 0 /* block number which must be > 0 and + is allowed to wrap around at 2G; the + highest bit is set to 1 if this is the + first log block in a log flush write + segment */ +#define LOG_BLOCK_FLUSH_BIT_MASK 0x80000000UL + /* mask used to get the highest bit in + the preceding field */ +#define LOG_BLOCK_HDR_DATA_LEN 4 /* number of bytes of log written to + this block */ +#define LOG_BLOCK_FIRST_REC_GROUP 6 /* offset of the first start of an + mtr log record group in this log block, + 0 if none; if the value is the same + as LOG_BLOCK_HDR_DATA_LEN, it means + that the first rec group has not yet + been catenated to this log block, but + if it will, it will start at this + offset; an archive recovery can + start parsing the log records starting + from this offset in this log block, + if value not 0 */ +#define LOG_BLOCK_CHECKPOINT_NO 8 /* 4 lower bytes of the value of + log_sys->next_checkpoint_no when the + log block was last written to: if the + block has not yet been written full, + this value is only updated before a + log buffer flush */ +#define LOG_BLOCK_HDR_SIZE 12 /* size of the log block header in + bytes */ + +/* Offsets of a log block trailer from the end of the block */ +#define LOG_BLOCK_CHECKSUM 4 /* 4 byte checksum of the log block + contents; in InnoDB versions + < 3.23.52 this did not contain the + checksum but the same value as + .._HDR_NO */ +#define LOG_BLOCK_TRL_SIZE 4 /* trailer size in bytes */ + +/* Offsets for a checkpoint field */ +#define LOG_CHECKPOINT_NO 0 +#define LOG_CHECKPOINT_LSN 8 +#define LOG_CHECKPOINT_OFFSET 16 +#define LOG_CHECKPOINT_LOG_BUF_SIZE 20 +#define LOG_CHECKPOINT_ARCHIVED_LSN 24 +#define LOG_CHECKPOINT_GROUP_ARRAY 32 + +/* For each value smaller than LOG_MAX_N_GROUPS the following 8 bytes: */ + +#define LOG_CHECKPOINT_ARCHIVED_FILE_NO 0 +#define LOG_CHECKPOINT_ARCHIVED_OFFSET 4 + +#define LOG_CHECKPOINT_ARRAY_END (LOG_CHECKPOINT_GROUP_ARRAY\ + + LOG_MAX_N_GROUPS * 8) +#define LOG_CHECKPOINT_CHECKSUM_1 LOG_CHECKPOINT_ARRAY_END +#define LOG_CHECKPOINT_CHECKSUM_2 (4 + LOG_CHECKPOINT_ARRAY_END) +#define LOG_CHECKPOINT_FSP_FREE_LIMIT (8 + LOG_CHECKPOINT_ARRAY_END) + /* current fsp free limit in + tablespace 0, in units of one + megabyte; this information is only used + by ibbackup to decide if it can + truncate unused ends of + non-auto-extending data files in space + 0 */ +#define LOG_CHECKPOINT_FSP_MAGIC_N (12 + LOG_CHECKPOINT_ARRAY_END) + /* this magic number tells if the + checkpoint contains the above field: + the field was added to + InnoDB-3.23.50 */ +#define LOG_CHECKPOINT_SIZE (16 + LOG_CHECKPOINT_ARRAY_END) + +#define LOG_CHECKPOINT_FSP_MAGIC_N_VAL 1441231243 + +/* Offsets of a log file header */ +#define LOG_GROUP_ID 0 /* log group number */ +#define LOG_FILE_START_LSN 4 /* lsn of the start of data in this + log file */ +#define LOG_FILE_NO 12 /* 4-byte archived log file number; + this field is only defined in an + archived log file */ +#define LOG_FILE_WAS_CREATED_BY_HOT_BACKUP 16 + /* a 32-byte field which contains + the string 'ibbackup' and the + creation time if the log file was + created by ibbackup --restore; + when mysqld is first time started + on the restored database, it can + print helpful info for the user */ +#define LOG_FILE_ARCH_COMPLETED OS_FILE_LOG_BLOCK_SIZE + /* this 4-byte field is TRUE when + the writing of an archived log file + has been completed; this field is + only defined in an archived log file */ +#define LOG_FILE_END_LSN (OS_FILE_LOG_BLOCK_SIZE + 4) + /* lsn where the archived log file + at least extends: actually the + archived log file may extend to a + later lsn, as long as it is within the + same log block as this lsn; this field + is defined only when an archived log + file has been completely written */ +#define LOG_CHECKPOINT_1 OS_FILE_LOG_BLOCK_SIZE + /* first checkpoint field in the log + header; we write alternately to the + checkpoint fields when we make new + checkpoints; this field is only defined + in the first log file of a log group */ +#define LOG_CHECKPOINT_2 (3 * OS_FILE_LOG_BLOCK_SIZE) + /* second checkpoint field in the log + header */ +#define LOG_FILE_HDR_SIZE (4 * OS_FILE_LOG_BLOCK_SIZE) + +#define LOG_GROUP_OK 301 +#define LOG_GROUP_CORRUPTED 302 + +/** Log group consists of a number of log files, each of the same size; a log +group is implemented as a space in the sense of the module fil0fil. */ +struct log_group_struct{ + /* The following fields are protected by log_sys->mutex */ + ulint id; /*!< log group id */ + ulint n_files; /*!< number of files in the group */ + ulint file_size; /*!< individual log file size in bytes, + including the log file header */ + ulint space_id; /*!< file space which implements the log + group */ + ulint state; /*!< LOG_GROUP_OK or + LOG_GROUP_CORRUPTED */ + ib_uint64_t lsn; /*!< lsn used to fix coordinates within + the log group */ + ulint lsn_offset; /*!< the offset of the above lsn */ + ulint n_pending_writes;/*!< number of currently pending flush + writes for this log group */ + byte** file_header_bufs_ptr;/*!< unaligned buffers */ + byte** file_header_bufs;/*!< buffers for each file + header in the group */ +#ifdef UNIV_LOG_ARCHIVE + /*-----------------------------*/ + byte** archive_file_header_bufs_ptr;/*!< unaligned buffers */ + byte** archive_file_header_bufs;/*!< buffers for each file + header in the group */ + ulint archive_space_id;/*!< file space which + implements the log group + archive */ + ulint archived_file_no;/*!< file number corresponding to + log_sys->archived_lsn */ + ulint archived_offset;/*!< file offset corresponding to + log_sys->archived_lsn, 0 if we have + not yet written to the archive file + number archived_file_no */ + ulint next_archived_file_no;/*!< during an archive write, + until the write is completed, we + store the next value for + archived_file_no here: the write + completion function then sets the new + value to ..._file_no */ + ulint next_archived_offset; /*!< like the preceding field */ +#endif /* UNIV_LOG_ARCHIVE */ + /*-----------------------------*/ + ib_uint64_t scanned_lsn; /*!< used only in recovery: recovery scan + succeeded up to this lsn in this log + group */ + byte* checkpoint_buf_ptr;/*!< unaligned checkpoint header */ + byte* checkpoint_buf; /*!< checkpoint header is written from + this buffer to the group */ + UT_LIST_NODE_T(log_group_t) + log_groups; /*!< list of log groups */ +}; + +/** Redo log buffer */ +struct log_struct{ + byte pad[64]; /*!< padding to prevent other memory + update hotspots from residing on the + same memory cache line */ + ib_uint64_t lsn; /*!< log sequence number */ + ulint buf_free; /*!< first free offset within the log + buffer */ +#ifndef UNIV_HOTBACKUP + mutex_t mutex; /*!< mutex protecting the log */ +#endif /* !UNIV_HOTBACKUP */ + byte* buf_ptr; /* unaligned log buffer */ + byte* buf; /*!< log buffer */ + ulint buf_size; /*!< log buffer size in bytes */ + ulint max_buf_free; /*!< recommended maximum value of + buf_free, after which the buffer is + flushed */ + ulint old_buf_free; /*!< value of buf free when log was + last time opened; only in the debug + version */ + ib_uint64_t old_lsn; /*!< value of lsn when log was + last time opened; only in the + debug version */ + ibool check_flush_or_checkpoint; + /*!< this is set to TRUE when there may + be need to flush the log buffer, or + preflush buffer pool pages, or make + a checkpoint; this MUST be TRUE when + lsn - last_checkpoint_lsn > + max_checkpoint_age; this flag is + peeked at by log_free_check(), which + does not reserve the log mutex */ + UT_LIST_BASE_NODE_T(log_group_t) + log_groups; /*!< log groups */ + +#ifndef UNIV_HOTBACKUP + /** The fields involved in the log buffer flush @{ */ + + ulint buf_next_to_write;/*!< first offset in the log buffer + where the byte content may not exist + written to file, e.g., the start + offset of a log record catenated + later; this is advanced when a flush + operation is completed to all the log + groups */ + ib_uint64_t written_to_some_lsn; + /*!< first log sequence number not yet + written to any log group; for this to + be advanced, it is enough that the + write i/o has been completed for any + one log group */ + ib_uint64_t written_to_all_lsn; + /*!< first log sequence number not yet + written to some log group; for this to + be advanced, it is enough that the + write i/o has been completed for all + log groups. + Note that since InnoDB currently + has only one log group therefore + this value is redundant. Also it + is possible that this value + falls behind the + flushed_to_disk_lsn transiently. + It is appropriate to use either + flushed_to_disk_lsn or + write_lsn which are always + up-to-date and accurate. */ + ib_uint64_t write_lsn; /*!< end lsn for the current running + write */ + ulint write_end_offset;/*!< the data in buffer has + been written up to this offset + when the current write ends: + this field will then be copied + to buf_next_to_write */ + ib_uint64_t current_flush_lsn;/*!< end lsn for the current running + write + flush operation */ + ib_uint64_t flushed_to_disk_lsn; + /*!< how far we have written the log + AND flushed to disk */ + ulint n_pending_writes;/*!< number of currently + pending flushes or writes */ + /* NOTE on the 'flush' in names of the fields below: starting from + 4.0.14, we separate the write of the log file and the actual fsync() + or other method to flush it to disk. The names below shhould really + be 'flush_or_write'! */ + os_event_t no_flush_event; /*!< this event is in the reset state + when a flush or a write is running; + a thread should wait for this without + owning the log mutex, but NOTE that + to set or reset this event, the + thread MUST own the log mutex! */ + ibool one_flushed; /*!< during a flush, this is + first FALSE and becomes TRUE + when one log group has been + written or flushed */ + os_event_t one_flushed_event;/*!< this event is reset when the + flush or write has not yet completed + for any log group; e.g., this means + that a transaction has been committed + when this is set; a thread should wait + for this without owning the log mutex, + but NOTE that to set or reset this + event, the thread MUST own the log + mutex! */ + ulint n_log_ios; /*!< number of log i/os initiated thus + far */ + ulint n_log_ios_old; /*!< number of log i/o's at the + previous printout */ + time_t last_printout_time;/*!< when log_print was last time + called */ + /* @} */ + + /** Fields involved in checkpoints @{ */ + ulint log_group_capacity; /*!< capacity of the log group; if + the checkpoint age exceeds this, it is + a serious error because it is possible + we will then overwrite log and spoil + crash recovery */ + ulint max_modified_age_async; + /*!< when this recommended + value for lsn - + buf_pool_get_oldest_modification() + is exceeded, we start an + asynchronous preflush of pool pages */ + ulint max_modified_age_sync; + /*!< when this recommended + value for lsn - + buf_pool_get_oldest_modification() + is exceeded, we start a + synchronous preflush of pool pages */ + ulint adm_checkpoint_interval; + /*!< administrator-specified checkpoint + interval in terms of log growth in + bytes; the interval actually used by + the database can be smaller */ + ulint max_checkpoint_age_async; + /*!< when this checkpoint age + is exceeded we start an + asynchronous writing of a new + checkpoint */ + ulint max_checkpoint_age; + /*!< this is the maximum allowed value + for lsn - last_checkpoint_lsn when a + new query step is started */ + ib_uint64_t next_checkpoint_no; + /*!< next checkpoint number */ + ib_uint64_t last_checkpoint_lsn; + /*!< latest checkpoint lsn */ + ib_uint64_t next_checkpoint_lsn; + /*!< next checkpoint lsn */ + ulint n_pending_checkpoint_writes; + /*!< number of currently pending + checkpoint writes */ + rw_lock_t checkpoint_lock;/*!< this latch is x-locked when a + checkpoint write is running; a thread + should wait for this without owning + the log mutex */ +#endif /* !UNIV_HOTBACKUP */ + byte* checkpoint_buf_ptr;/* unaligned checkpoint header */ + byte* checkpoint_buf; /*!< checkpoint header is read to this + buffer */ + /* @} */ +#ifdef UNIV_LOG_ARCHIVE + /** Fields involved in archiving @{ */ + ulint archiving_state;/*!< LOG_ARCH_ON, LOG_ARCH_STOPPING + LOG_ARCH_STOPPED, LOG_ARCH_OFF */ + ib_uint64_t archived_lsn; /*!< archiving has advanced to this + lsn */ + ulint max_archived_lsn_age_async; + /*!< recommended maximum age of + archived_lsn, before we start + asynchronous copying to the archive */ + ulint max_archived_lsn_age; + /*!< maximum allowed age for + archived_lsn */ + ib_uint64_t next_archived_lsn;/*!< during an archive write, + until the write is completed, we + store the next value for + archived_lsn here: the write + completion function then sets the new + value to archived_lsn */ + ulint archiving_phase;/*!< LOG_ARCHIVE_READ or + LOG_ARCHIVE_WRITE */ + ulint n_pending_archive_ios; + /*!< number of currently pending reads + or writes in archiving */ + rw_lock_t archive_lock; /*!< this latch is x-locked when an + archive write is running; a thread + should wait for this without owning + the log mutex */ + ulint archive_buf_size;/*!< size of archive_buf */ + byte* archive_buf; /*!< log segment is written to the + archive from this buffer */ + os_event_t archiving_on; /*!< if archiving has been stopped, + a thread can wait for this event to + become signaled */ + /* @} */ +#endif /* UNIV_LOG_ARCHIVE */ +}; + +#ifdef UNIV_LOG_ARCHIVE +/** Archiving state @{ */ +#define LOG_ARCH_ON 71 +#define LOG_ARCH_STOPPING 72 +#define LOG_ARCH_STOPPING2 73 +#define LOG_ARCH_STOPPED 74 +#define LOG_ARCH_OFF 75 +/* @} */ +#endif /* UNIV_LOG_ARCHIVE */ + +#ifndef UNIV_NONINL +#include "log0log.ic" +#endif + +#endif diff --git a/perfschema/include/log0log.ic b/perfschema/include/log0log.ic new file mode 100644 index 00000000000..139f4041a36 --- /dev/null +++ b/perfschema/include/log0log.ic @@ -0,0 +1,443 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/log0log.ic +Database log + +Created 12/9/1995 Heikki Tuuri +*******************************************************/ + +#include "os0file.h" +#include "mach0data.h" +#include "mtr0mtr.h" + +#ifdef UNIV_LOG_DEBUG +/******************************************************//** +Checks by parsing that the catenated log segment for a single mtr is +consistent. */ +UNIV_INTERN +ibool +log_check_log_recs( +/*===============*/ + const byte* buf, /*!< in: pointer to the start of + the log segment in the + log_sys->buf log buffer */ + ulint len, /*!< in: segment length in bytes */ + ib_uint64_t buf_start_lsn); /*!< in: buffer start lsn */ +#endif /* UNIV_LOG_DEBUG */ + +/************************************************************//** +Gets a log block flush bit. +@return TRUE if this block was the first to be written in a log flush */ +UNIV_INLINE +ibool +log_block_get_flush_bit( +/*====================*/ + const byte* log_block) /*!< in: log block */ +{ + if (LOG_BLOCK_FLUSH_BIT_MASK + & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)) { + + return(TRUE); + } + + return(FALSE); +} + +/************************************************************//** +Sets the log block flush bit. */ +UNIV_INLINE +void +log_block_set_flush_bit( +/*====================*/ + byte* log_block, /*!< in/out: log block */ + ibool val) /*!< in: value to set */ +{ + ulint field; + + field = mach_read_from_4(log_block + LOG_BLOCK_HDR_NO); + + if (val) { + field = field | LOG_BLOCK_FLUSH_BIT_MASK; + } else { + field = field & ~LOG_BLOCK_FLUSH_BIT_MASK; + } + + mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, field); +} + +/************************************************************//** +Gets a log block number stored in the header. +@return log block number stored in the block header */ +UNIV_INLINE +ulint +log_block_get_hdr_no( +/*=================*/ + const byte* log_block) /*!< in: log block */ +{ + return(~LOG_BLOCK_FLUSH_BIT_MASK + & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)); +} + +/************************************************************//** +Sets the log block number stored in the header; NOTE that this must be set +before the flush bit! */ +UNIV_INLINE +void +log_block_set_hdr_no( +/*=================*/ + byte* log_block, /*!< in/out: log block */ + ulint n) /*!< in: log block number: must be > 0 and + < LOG_BLOCK_FLUSH_BIT_MASK */ +{ + ut_ad(n > 0); + ut_ad(n < LOG_BLOCK_FLUSH_BIT_MASK); + + mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, n); +} + +/************************************************************//** +Gets a log block data length. +@return log block data length measured as a byte offset from the block start */ +UNIV_INLINE +ulint +log_block_get_data_len( +/*===================*/ + const byte* log_block) /*!< in: log block */ +{ + return(mach_read_from_2(log_block + LOG_BLOCK_HDR_DATA_LEN)); +} + +/************************************************************//** +Sets the log block data length. */ +UNIV_INLINE +void +log_block_set_data_len( +/*===================*/ + byte* log_block, /*!< in/out: log block */ + ulint len) /*!< in: data length */ +{ + mach_write_to_2(log_block + LOG_BLOCK_HDR_DATA_LEN, len); +} + +/************************************************************//** +Gets a log block first mtr log record group offset. +@return first mtr log record group byte offset from the block start, 0 +if none */ +UNIV_INLINE +ulint +log_block_get_first_rec_group( +/*==========================*/ + const byte* log_block) /*!< in: log block */ +{ + return(mach_read_from_2(log_block + LOG_BLOCK_FIRST_REC_GROUP)); +} + +/************************************************************//** +Sets the log block first mtr log record group offset. */ +UNIV_INLINE +void +log_block_set_first_rec_group( +/*==========================*/ + byte* log_block, /*!< in/out: log block */ + ulint offset) /*!< in: offset, 0 if none */ +{ + mach_write_to_2(log_block + LOG_BLOCK_FIRST_REC_GROUP, offset); +} + +/************************************************************//** +Gets a log block checkpoint number field (4 lowest bytes). +@return checkpoint no (4 lowest bytes) */ +UNIV_INLINE +ulint +log_block_get_checkpoint_no( +/*========================*/ + const byte* log_block) /*!< in: log block */ +{ + return(mach_read_from_4(log_block + LOG_BLOCK_CHECKPOINT_NO)); +} + +/************************************************************//** +Sets a log block checkpoint number field (4 lowest bytes). */ +UNIV_INLINE +void +log_block_set_checkpoint_no( +/*========================*/ + byte* log_block, /*!< in/out: log block */ + ib_uint64_t no) /*!< in: checkpoint no */ +{ + mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no); +} + +/************************************************************//** +Converts a lsn to a log block number. +@return log block number, it is > 0 and <= 1G */ +UNIV_INLINE +ulint +log_block_convert_lsn_to_no( +/*========================*/ + ib_uint64_t lsn) /*!< in: lsn of a byte within the block */ +{ + return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1); +} + +/************************************************************//** +Calculates the checksum for a log block. +@return checksum */ +UNIV_INLINE +ulint +log_block_calc_checksum( +/*====================*/ + const byte* block) /*!< in: log block */ +{ + ulint sum; + ulint sh; + ulint i; + + sum = 1; + sh = 0; + + for (i = 0; i < OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; i++) { + ulint b = (ulint) block[i]; + sum &= 0x7FFFFFFFUL; + sum += b; + sum += b << sh; + sh++; + if (sh > 24) { + sh = 0; + } + } + + return(sum); +} + +/************************************************************//** +Gets a log block checksum field value. +@return checksum */ +UNIV_INLINE +ulint +log_block_get_checksum( +/*===================*/ + const byte* log_block) /*!< in: log block */ +{ + return(mach_read_from_4(log_block + OS_FILE_LOG_BLOCK_SIZE + - LOG_BLOCK_CHECKSUM)); +} + +/************************************************************//** +Sets a log block checksum field value. */ +UNIV_INLINE +void +log_block_set_checksum( +/*===================*/ + byte* log_block, /*!< in/out: log block */ + ulint checksum) /*!< in: checksum */ +{ + mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE + - LOG_BLOCK_CHECKSUM, + checksum); +} + +/************************************************************//** +Initializes a log block in the log buffer. */ +UNIV_INLINE +void +log_block_init( +/*===========*/ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn) /*!< in: lsn within the log block */ +{ + ulint no; + + ut_ad(mutex_own(&(log_sys->mutex))); + + no = log_block_convert_lsn_to_no(lsn); + + log_block_set_hdr_no(log_block, no); + + log_block_set_data_len(log_block, LOG_BLOCK_HDR_SIZE); + log_block_set_first_rec_group(log_block, 0); +} + +/************************************************************//** +Initializes a log block in the log buffer in the old format, where there +was no checksum yet. */ +UNIV_INLINE +void +log_block_init_in_old_format( +/*=========================*/ + byte* log_block, /*!< in: pointer to the log buffer */ + ib_uint64_t lsn) /*!< in: lsn within the log block */ +{ + ulint no; + + ut_ad(mutex_own(&(log_sys->mutex))); + + no = log_block_convert_lsn_to_no(lsn); + + log_block_set_hdr_no(log_block, no); + mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE + - LOG_BLOCK_CHECKSUM, no); + log_block_set_data_len(log_block, LOG_BLOCK_HDR_SIZE); + log_block_set_first_rec_group(log_block, 0); +} + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Writes to the log the string given. The log must be released with +log_release. +@return end lsn of the log record, zero if did not succeed */ +UNIV_INLINE +ib_uint64_t +log_reserve_and_write_fast( +/*=======================*/ + const void* str, /*!< in: string */ + ulint len, /*!< in: string length */ + ib_uint64_t* start_lsn)/*!< out: start lsn of the log record */ +{ + ulint data_len; +#ifdef UNIV_LOG_LSN_DEBUG + /* length of the LSN pseudo-record */ + ulint lsn_len; +#endif /* UNIV_LOG_LSN_DEBUG */ + + mutex_enter(&log_sys->mutex); +#ifdef UNIV_LOG_LSN_DEBUG + lsn_len = 1 + + mach_get_compressed_size(log_sys->lsn >> 32) + + mach_get_compressed_size(log_sys->lsn & 0xFFFFFFFFUL); +#endif /* UNIV_LOG_LSN_DEBUG */ + + data_len = len +#ifdef UNIV_LOG_LSN_DEBUG + + lsn_len +#endif /* UNIV_LOG_LSN_DEBUG */ + + log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE; + + if (data_len >= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { + + /* The string does not fit within the current log block + or the log block would become full */ + + mutex_exit(&log_sys->mutex); + + return(0); + } + + *start_lsn = log_sys->lsn; + +#ifdef UNIV_LOG_LSN_DEBUG + { + /* Write the LSN pseudo-record. */ + byte* b = &log_sys->buf[log_sys->buf_free]; + *b++ = MLOG_LSN | (MLOG_SINGLE_REC_FLAG & *(const byte*) str); + /* Write the LSN in two parts, + as a pseudo page number and space id. */ + b += mach_write_compressed(b, log_sys->lsn >> 32); + b += mach_write_compressed(b, log_sys->lsn & 0xFFFFFFFFUL); + ut_a(b - lsn_len == &log_sys->buf[log_sys->buf_free]); + + memcpy(b, str, len); + len += lsn_len; + } +#else /* UNIV_LOG_LSN_DEBUG */ + memcpy(log_sys->buf + log_sys->buf_free, str, len); +#endif /* UNIV_LOG_LSN_DEBUG */ + + log_block_set_data_len((byte*) ut_align_down(log_sys->buf + + log_sys->buf_free, + OS_FILE_LOG_BLOCK_SIZE), + data_len); +#ifdef UNIV_LOG_DEBUG + log_sys->old_buf_free = log_sys->buf_free; + log_sys->old_lsn = log_sys->lsn; +#endif + log_sys->buf_free += len; + + ut_ad(log_sys->buf_free <= log_sys->buf_size); + + log_sys->lsn += len; + +#ifdef UNIV_LOG_DEBUG + log_check_log_recs(log_sys->buf + log_sys->old_buf_free, + log_sys->buf_free - log_sys->old_buf_free, + log_sys->old_lsn); +#endif + return(log_sys->lsn); +} + +/***********************************************************************//** +Releases the log mutex. */ +UNIV_INLINE +void +log_release(void) +/*=============*/ +{ + mutex_exit(&(log_sys->mutex)); +} + +/************************************************************//** +Gets the current lsn. +@return current lsn */ +UNIV_INLINE +ib_uint64_t +log_get_lsn(void) +/*=============*/ +{ + ib_uint64_t lsn; + + mutex_enter(&(log_sys->mutex)); + + lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + return(lsn); +} + +/**************************************************************** +Gets the log group capacity. It is OK to read the value without +holding log_sys->mutex because it is constant. +@return log group capacity */ +UNIV_INLINE +ulint +log_get_capacity(void) +/*==================*/ +{ + return(log_sys->log_group_capacity); +} + +/***********************************************************************//** +Checks if there is need for a log buffer flush or a new checkpoint, and does +this if yes. Any database operation should call this when it has modified +more than about 4 pages. NOTE that this function may only be called when the +OS thread owns no synchronization objects except the dictionary mutex. */ +UNIV_INLINE +void +log_free_check(void) +/*================*/ +{ + /* ut_ad(sync_thread_levels_empty()); */ + + if (log_sys->check_flush_or_checkpoint) { + + log_check_margins(); + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/log0recv.h b/perfschema/include/log0recv.h new file mode 100644 index 00000000000..3209799e140 --- /dev/null +++ b/perfschema/include/log0recv.h @@ -0,0 +1,497 @@ +/***************************************************************************** + +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/log0recv.h +Recovery + +Created 9/20/1997 Heikki Tuuri +*******************************************************/ + +#ifndef log0recv_h +#define log0recv_h + +#include "univ.i" +#include "ut0byte.h" +#include "buf0types.h" +#include "hash0hash.h" +#include "log0log.h" + +#ifdef UNIV_HOTBACKUP +extern ibool recv_replay_file_ops; + +/*******************************************************************//** +Reads the checkpoint info needed in hot backup. +@return TRUE if success */ +UNIV_INTERN +ibool +recv_read_cp_info_for_backup( +/*=========================*/ + const byte* hdr, /*!< in: buffer containing the log group + header */ + ib_uint64_t* lsn, /*!< out: checkpoint lsn */ + ulint* offset, /*!< out: checkpoint offset in the log group */ + ulint* fsp_limit,/*!< out: fsp limit of space 0, + 1000000000 if the database is running + with < version 3.23.50 of InnoDB */ + ib_uint64_t* cp_no, /*!< out: checkpoint number */ + ib_uint64_t* first_header_lsn); + /*!< out: lsn of of the start of the + first log file */ +/*******************************************************************//** +Scans the log segment and n_bytes_scanned is set to the length of valid +log scanned. */ +UNIV_INTERN +void +recv_scan_log_seg_for_backup( +/*=========================*/ + byte* buf, /*!< in: buffer containing log data */ + ulint buf_len, /*!< in: data length in that buffer */ + ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, + we return scanned lsn */ + ulint* scanned_checkpoint_no, + /*!< in/out: 4 lowest bytes of the + highest scanned checkpoint number so + far */ + ulint* n_bytes_scanned);/*!< out: how much we were able to + scan, smaller than buf_len if log + data ended here */ +#endif /* UNIV_HOTBACKUP */ +/*******************************************************************//** +Returns TRUE if recovery is currently running. +@return recv_recovery_on */ +UNIV_INLINE +ibool +recv_recovery_is_on(void); +/*=====================*/ +#ifdef UNIV_LOG_ARCHIVE +/*******************************************************************//** +Returns TRUE if recovery from backup is currently running. +@return recv_recovery_from_backup_on */ +UNIV_INLINE +ibool +recv_recovery_from_backup_is_on(void); +/*=================================*/ +#endif /* UNIV_LOG_ARCHIVE */ +/************************************************************************//** +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. */ +UNIV_INTERN +void +recv_recover_page_func( +/*===================*/ +#ifndef UNIV_HOTBACKUP + ibool just_read_in, + /*!< in: TRUE if the i/o handler calls + this for a freshly read page */ +#endif /* !UNIV_HOTBACKUP */ + buf_block_t* block); /*!< in/out: buffer block */ +#ifndef UNIV_HOTBACKUP +/** Wrapper for recv_recover_page_func(). +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. +@param jri in: TRUE if just read in (the i/o handler calls this for +a freshly read page) +@param block in/out: the buffer block +*/ +# define recv_recover_page(jri, block) recv_recover_page_func(jri, block) +#else /* !UNIV_HOTBACKUP */ +/** Wrapper for recv_recover_page_func(). +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. +@param jri in: TRUE if just read in (the i/o handler calls this for +a freshly read page) +@param block in/out: the buffer block +*/ +# define recv_recover_page(jri, block) recv_recover_page_func(block) +#endif /* !UNIV_HOTBACKUP */ +/********************************************************//** +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +recv_recovery_from_checkpoint_start_func( +/*=====================================*/ +#ifdef UNIV_LOG_ARCHIVE + ulint type, /*!< in: LOG_CHECKPOINT or + LOG_ARCHIVE */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn + if possible */ +#endif /* UNIV_LOG_ARCHIVE */ + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from + data files */ + ib_uint64_t max_flushed_lsn);/*!< in: max flushed lsn from + data files */ +#ifdef UNIV_LOG_ARCHIVE +/** Wrapper for recv_recovery_from_checkpoint_start_func(). +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@param type in: LOG_CHECKPOINT or LOG_ARCHIVE +@param lim in: recover up to this log sequence number if possible +@param min in: minimum flushed log sequence number from data files +@param max in: maximum flushed log sequence number from data files +@return error code or DB_SUCCESS */ +# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ + recv_recovery_from_checkpoint_start_func(type,lim,min,max) +#else /* UNIV_LOG_ARCHIVE */ +/** Wrapper for recv_recovery_from_checkpoint_start_func(). +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@param type ignored: LOG_CHECKPOINT or LOG_ARCHIVE +@param lim ignored: recover up to this log sequence number if possible +@param min in: minimum flushed log sequence number from data files +@param max in: maximum flushed log sequence number from data files +@return error code or DB_SUCCESS */ +# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ + recv_recovery_from_checkpoint_start_func(min,max) +#endif /* UNIV_LOG_ARCHIVE */ +/********************************************************//** +Completes recovery from a checkpoint. */ +UNIV_INTERN +void +recv_recovery_from_checkpoint_finish(void); +/*======================================*/ +/********************************************************//** +Initiates the rollback of active transactions. */ +UNIV_INTERN +void +recv_recovery_rollback_active(void); +/*===============================*/ +/*******************************************************//** +Scans log from a buffer and stores new log data to the parsing buffer. +Parses and hashes the log records if new data found. Unless +UNIV_HOTBACKUP is defined, this function will apply log records +automatically when the hash table becomes full. +@return TRUE if limit_lsn has been reached, or not able to scan any +more in this log group */ +UNIV_INTERN +ibool +recv_scan_log_recs( +/*===============*/ + ulint available_memory,/*!< in: we let the hash table of recs + to grow to this size, at the maximum */ + ibool store_to_hash, /*!< in: TRUE if the records should be + stored to the hash table; this is set + to FALSE if just debug checking is + needed */ + const byte* buf, /*!< in: buffer containing a log + segment or garbage */ + ulint len, /*!< in: buffer length */ + ib_uint64_t start_lsn, /*!< in: buffer start lsn */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log + groups contain contiguous log data up + to this lsn */ + ib_uint64_t* group_scanned_lsn);/*!< out: scanning succeeded up to + this lsn */ +/******************************************************//** +Resets the logs. The contents of log files will be lost! */ +UNIV_INTERN +void +recv_reset_logs( +/*============*/ + ib_uint64_t lsn, /*!< in: reset to this lsn + rounded up to be divisible by + OS_FILE_LOG_BLOCK_SIZE, after + which we add + LOG_BLOCK_HDR_SIZE */ +#ifdef UNIV_LOG_ARCHIVE + ulint arch_log_no, /*!< in: next archived log file number */ +#endif /* UNIV_LOG_ARCHIVE */ + ibool new_logs_created);/*!< in: TRUE if resetting logs + is done at the log creation; + FALSE if it is done after + archive recovery */ +#ifdef UNIV_HOTBACKUP +/******************************************************//** +Creates new log files after a backup has been restored. */ +UNIV_INTERN +void +recv_reset_log_files_for_backup( +/*============================*/ + const char* log_dir, /*!< in: log file directory path */ + ulint n_log_files, /*!< in: number of log files */ + ulint log_file_size, /*!< in: log file size */ + ib_uint64_t lsn); /*!< in: new start lsn, must be + divisible by OS_FILE_LOG_BLOCK_SIZE */ +#endif /* UNIV_HOTBACKUP */ +/********************************************************//** +Creates the recovery system. */ +UNIV_INTERN +void +recv_sys_create(void); +/*=================*/ +/**********************************************************//** +Release recovery system mutexes. */ +UNIV_INTERN +void +recv_sys_close(void); +/*================*/ +/********************************************************//** +Frees the recovery system memory. */ +UNIV_INTERN +void +recv_sys_mem_free(void); +/*===================*/ +/********************************************************//** +Inits the recovery system for a recovery operation. */ +UNIV_INTERN +void +recv_sys_init( +/*==========*/ + ulint available_memory); /*!< in: available memory in bytes */ +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Reset the state of the recovery system variables. */ +UNIV_INTERN +void +recv_sys_var_init(void); +/*===================*/ +#endif /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Empties the hash table of stored log records, applying them to appropriate +pages. */ +UNIV_INTERN +void +recv_apply_hashed_log_recs( +/*=======================*/ + ibool allow_ibuf); /*!< in: if TRUE, also ibuf operations are + allowed during the application; if FALSE, + no ibuf operations are allowed, and after + the application all file pages are flushed to + disk and invalidated in buffer pool: this + alternative means that no new log records + can be generated during the application */ +#ifdef UNIV_HOTBACKUP +/*******************************************************************//** +Applies log records in the hash table to a backup. */ +UNIV_INTERN +void +recv_apply_log_recs_for_backup(void); +/*================================*/ +#endif +#ifdef UNIV_LOG_ARCHIVE +/********************************************************//** +Recovers from archived log files, and also from log files, if they exist. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +recv_recovery_from_archive_start( +/*=============================*/ + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the + data files */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if + possible */ + ulint first_log_no); /*!< in: number of the first archived + log file to use in the recovery; the + file will be searched from + INNOBASE_LOG_ARCH_DIR specified in + server config file */ +/********************************************************//** +Completes recovery from archive. */ +UNIV_INTERN +void +recv_recovery_from_archive_finish(void); +/*===================================*/ +#endif /* UNIV_LOG_ARCHIVE */ + +/** Block of log record data */ +typedef struct recv_data_struct recv_data_t; +/** Block of log record data */ +struct recv_data_struct{ + recv_data_t* next; /*!< pointer to the next block or NULL */ + /*!< the log record data is stored physically + immediately after this struct, max amount + RECV_DATA_BLOCK_SIZE bytes of it */ +}; + +/** Stored log record struct */ +typedef struct recv_struct recv_t; +/** Stored log record struct */ +struct recv_struct{ + byte type; /*!< log record type */ + ulint len; /*!< log record body length in bytes */ + recv_data_t* data; /*!< chain of blocks containing the log record + body */ + ib_uint64_t start_lsn;/*!< start lsn of the log segment written by + the mtr which generated this log record: NOTE + that this is not necessarily the start lsn of + this log record */ + ib_uint64_t end_lsn;/*!< end lsn of the log segment written by + the mtr which generated this log record: NOTE + that this is not necessarily the end lsn of + this log record */ + UT_LIST_NODE_T(recv_t) + rec_list;/*!< list of log records for this page */ +}; + +/** States of recv_addr_struct */ +enum recv_addr_state { + /** not yet processed */ + RECV_NOT_PROCESSED, + /** page is being read */ + RECV_BEING_READ, + /** log records are being applied on the page */ + RECV_BEING_PROCESSED, + /** log records have been applied on the page, or they have + been discarded because the tablespace does not exist */ + RECV_PROCESSED +}; + +/** Hashed page file address struct */ +typedef struct recv_addr_struct recv_addr_t; +/** Hashed page file address struct */ +struct recv_addr_struct{ + enum recv_addr_state state; + /*!< recovery state of the page */ + ulint space; /*!< space id */ + ulint page_no;/*!< page number */ + UT_LIST_BASE_NODE_T(recv_t) + rec_list;/*!< list of log records for this page */ + hash_node_t addr_hash;/*!< hash node in the hash bucket chain */ +}; + +/** Recovery system data structure */ +typedef struct recv_sys_struct recv_sys_t; +/** Recovery system data structure */ +struct recv_sys_struct{ +#ifndef UNIV_HOTBACKUP + mutex_t mutex; /*!< mutex protecting the fields apply_log_recs, + n_addrs, and the state field in each recv_addr + struct */ +#endif /* !UNIV_HOTBACKUP */ + ibool apply_log_recs; + /*!< this is TRUE when log rec application to + pages is allowed; this flag tells the + i/o-handler if it should do log record + application */ + ibool apply_batch_on; + /*!< this is TRUE when a log rec application + batch is running */ + ib_uint64_t lsn; /*!< log sequence number */ + ulint last_log_buf_size; + /*!< size of the log buffer when the database + last time wrote to the log */ + byte* last_block; + /*!< possible incomplete last recovered log + block */ + byte* last_block_buf_start; + /*!< the nonaligned start address of the + preceding buffer */ + byte* buf; /*!< buffer for parsing log records */ + ulint len; /*!< amount of data in buf */ + ib_uint64_t parse_start_lsn; + /*!< this is the lsn from which we were able to + start parsing log records and adding them to + the hash table; zero if a suitable + start point not found yet */ + ib_uint64_t scanned_lsn; + /*!< the log data has been scanned up to this + lsn */ + ulint scanned_checkpoint_no; + /*!< the log data has been scanned up to this + checkpoint number (lowest 4 bytes) */ + ulint recovered_offset; + /*!< start offset of non-parsed log records in + buf */ + ib_uint64_t recovered_lsn; + /*!< the log records have been parsed up to + this lsn */ + ib_uint64_t limit_lsn;/*!< recovery should be made at most + up to this lsn */ + ibool found_corrupt_log; + /*!< this is set to TRUE if we during log + scan find a corrupt log block, or a corrupt + log record, or there is a log parsing + buffer overflow */ +#ifdef UNIV_LOG_ARCHIVE + log_group_t* archive_group; + /*!< in archive recovery: the log group whose + archive is read */ +#endif /* !UNIV_LOG_ARCHIVE */ + mem_heap_t* heap; /*!< memory heap of log records and file + addresses*/ + hash_table_t* addr_hash;/*!< hash table of file addresses of pages */ + ulint n_addrs;/*!< number of not processed hashed file + addresses in the hash table */ +}; + +/** The recovery system */ +extern recv_sys_t* recv_sys; + +/** TRUE when applying redo log records during crash recovery; FALSE +otherwise. Note that this is FALSE while a background thread is +rolling back incomplete transactions. */ +extern ibool recv_recovery_on; +/** If the following is TRUE, the buffer pool file pages must be invalidated +after recovery and no ibuf operations are allowed; this becomes TRUE if +the log record hash table becomes too full, and log records must be merged +to file pages already before the recovery is finished: in this case no +ibuf operations are allowed, as they could modify the pages read in the +buffer pool before the pages have been recovered to the up-to-date state. + +TRUE means that recovery is running and no operations on the log files +are allowed yet: the variable name is misleading. */ +extern ibool recv_no_ibuf_operations; +/** TRUE when recv_init_crash_recovery() has been called. */ +extern ibool recv_needed_recovery; +#ifdef UNIV_DEBUG +/** TRUE if writing to the redo log (mtr_commit) is forbidden. +Protected by log_sys->mutex. */ +extern ibool recv_no_log_write; +#endif /* UNIV_DEBUG */ + +/** TRUE if buf_page_is_corrupted() should check if the log sequence +number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by +recv_recovery_from_checkpoint_start_func(). */ +extern ibool recv_lsn_checks_on; +#ifdef UNIV_HOTBACKUP +/** TRUE when the redo log is being backed up */ +extern ibool recv_is_making_a_backup; +#endif /* UNIV_HOTBACKUP */ +/** Maximum page number encountered in the redo log */ +extern ulint recv_max_parsed_page_no; + +/** Size of the parsing buffer; it must accommodate RECV_SCAN_SIZE many +times! */ +#define RECV_PARSING_BUF_SIZE (2 * 1024 * 1024) + +/** Size of block reads when the log groups are scanned forward to do a +roll-forward */ +#define RECV_SCAN_SIZE (4 * UNIV_PAGE_SIZE) + +/** This many frames must be left free in the buffer pool when we scan +the log and store the scanned log records in the buffer pool: we will +use these free frames to read in pages when we start applying the +log records to the database. */ +extern ulint recv_n_pool_free_frames; + +#ifndef UNIV_NONINL +#include "log0recv.ic" +#endif + +#endif diff --git a/perfschema/include/log0recv.ic b/perfschema/include/log0recv.ic new file mode 100644 index 00000000000..0a8e55b96fa --- /dev/null +++ b/perfschema/include/log0recv.ic @@ -0,0 +1,53 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/log0recv.ic +Recovery + +Created 9/20/1997 Heikki Tuuri +*******************************************************/ + +#include "univ.i" + +/*******************************************************************//** +Returns TRUE if recovery is currently running. +@return recv_recovery_on */ +UNIV_INLINE +ibool +recv_recovery_is_on(void) +/*=====================*/ +{ + return(UNIV_UNLIKELY(recv_recovery_on)); +} + +#ifdef UNIV_LOG_ARCHIVE +/** TRUE when applying redo log records from an archived log file */ +extern ibool recv_recovery_from_backup_on; + +/*******************************************************************//** +Returns TRUE if recovery from backup is currently running. +@return recv_recovery_from_backup_on */ +UNIV_INLINE +ibool +recv_recovery_from_backup_is_on(void) +/*=================================*/ +{ + return(recv_recovery_from_backup_on); +} +#endif /* UNIV_LOG_ARCHIVE */ diff --git a/perfschema/include/mach0data.h b/perfschema/include/mach0data.h new file mode 100644 index 00000000000..44ee3df22ce --- /dev/null +++ b/perfschema/include/mach0data.h @@ -0,0 +1,400 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/mach0data.h +Utilities for converting data from the database file +to the machine format. + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#ifndef mach0data_h +#define mach0data_h + +#include "univ.i" +#include "ut0byte.h" + +/* The data and all fields are always stored in a database file +in the same format: ascii, big-endian, ... . +All data in the files MUST be accessed using the functions in this +module. */ + +/*******************************************************//** +The following function is used to store data in one byte. */ +UNIV_INLINE +void +mach_write_to_1( +/*============*/ + byte* b, /*!< in: pointer to byte where to store */ + ulint n); /*!< in: ulint integer to be stored, >= 0, < 256 */ +/********************************************************//** +The following function is used to fetch data from one byte. +@return ulint integer, >= 0, < 256 */ +UNIV_INLINE +ulint +mach_read_from_1( +/*=============*/ + const byte* b) /*!< in: pointer to byte */ + __attribute__((nonnull, pure)); +/*******************************************************//** +The following function is used to store data in two consecutive +bytes. We store the most significant byte to the lower address. */ +UNIV_INLINE +void +mach_write_to_2( +/*============*/ + byte* b, /*!< in: pointer to two bytes where to store */ + ulint n); /*!< in: ulint integer to be stored, >= 0, < 64k */ +/********************************************************//** +The following function is used to fetch data from two consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer, >= 0, < 64k */ +UNIV_INLINE +ulint +mach_read_from_2( +/*=============*/ + const byte* b) /*!< in: pointer to two bytes */ + __attribute__((nonnull, pure)); + +/********************************************************//** +The following function is used to convert a 16-bit data item +to the canonical format, for fast bytewise equality test +against memory. +@return 16-bit integer in canonical format */ +UNIV_INLINE +uint16 +mach_encode_2( +/*==========*/ + ulint n) /*!< in: integer in machine-dependent format */ + __attribute__((const)); +/********************************************************//** +The following function is used to convert a 16-bit data item +from the canonical format, for fast bytewise equality test +against memory. +@return integer in machine-dependent format */ +UNIV_INLINE +ulint +mach_decode_2( +/*==========*/ + uint16 n) /*!< in: 16-bit integer in canonical format */ + __attribute__((const)); +/*******************************************************//** +The following function is used to store data in 3 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_3( +/*============*/ + byte* b, /*!< in: pointer to 3 bytes where to store */ + ulint n); /*!< in: ulint integer to be stored */ +/********************************************************//** +The following function is used to fetch data from 3 consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer */ +UNIV_INLINE +ulint +mach_read_from_3( +/*=============*/ + const byte* b) /*!< in: pointer to 3 bytes */ + __attribute__((nonnull, pure)); +/*******************************************************//** +The following function is used to store data in four consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_4( +/*============*/ + byte* b, /*!< in: pointer to four bytes where to store */ + ulint n); /*!< in: ulint integer to be stored */ +/********************************************************//** +The following function is used to fetch data from 4 consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer */ +UNIV_INLINE +ulint +mach_read_from_4( +/*=============*/ + const byte* b) /*!< in: pointer to four bytes */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a ulint in a compressed form (1..5 bytes). +@return stored size in bytes */ +UNIV_INLINE +ulint +mach_write_compressed( +/*==================*/ + byte* b, /*!< in: pointer to memory where to store */ + ulint n); /*!< in: ulint integer to be stored */ +/*********************************************************//** +Returns the size of an ulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_get_compressed_size( +/*=====================*/ + ulint n) /*!< in: ulint integer to be stored */ + __attribute__((const)); +/*********************************************************//** +Reads a ulint in a compressed form. +@return read integer */ +UNIV_INLINE +ulint +mach_read_compressed( +/*=================*/ + const byte* b) /*!< in: pointer to memory from where to read */ + __attribute__((nonnull, pure)); +/*******************************************************//** +The following function is used to store data in 6 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_6( +/*============*/ + byte* b, /*!< in: pointer to 6 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ +/********************************************************//** +The following function is used to fetch data from 6 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_6( +/*=============*/ + const byte* b) /*!< in: pointer to 6 bytes */ + __attribute__((nonnull, pure)); +/*******************************************************//** +The following function is used to store data in 7 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_7( +/*============*/ + byte* b, /*!< in: pointer to 7 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ +/********************************************************//** +The following function is used to fetch data from 7 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_7( +/*=============*/ + const byte* b) /*!< in: pointer to 7 bytes */ + __attribute__((nonnull, pure)); +/*******************************************************//** +The following function is used to store data in 8 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_8( +/*============*/ + byte* b, /*!< in: pointer to 8 bytes where to store */ + dulint n); /*!< in: dulint integer to be stored */ +/*******************************************************//** +The following function is used to store data in 8 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_ull( +/*===========*/ + byte* b, /*!< in: pointer to 8 bytes where to store */ + ib_uint64_t n); /*!< in: 64-bit integer to be stored */ +/********************************************************//** +The following function is used to fetch data from 8 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_8( +/*=============*/ + const byte* b) /*!< in: pointer to 8 bytes */ + __attribute__((nonnull, pure)); +/********************************************************//** +The following function is used to fetch data from 8 consecutive +bytes. The most significant byte is at the lowest address. +@return 64-bit integer */ +UNIV_INLINE +ib_uint64_t +mach_read_ull( +/*==========*/ + const byte* b) /*!< in: pointer to 8 bytes */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a dulint in a compressed form (5..9 bytes). +@return size in bytes */ +UNIV_INLINE +ulint +mach_dulint_write_compressed( +/*=========================*/ + byte* b, /*!< in: pointer to memory where to store */ + dulint n); /*!< in: dulint integer to be stored */ +/*********************************************************//** +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_dulint_get_compressed_size( +/*============================*/ + dulint n); /*!< in: dulint integer to be stored */ +/*********************************************************//** +Reads a dulint in a compressed form. +@return read dulint */ +UNIV_INLINE +dulint +mach_dulint_read_compressed( +/*========================*/ + const byte* b) /*!< in: pointer to memory from where to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a dulint in a compressed form (1..11 bytes). +@return size in bytes */ +UNIV_INLINE +ulint +mach_dulint_write_much_compressed( +/*==============================*/ + byte* b, /*!< in: pointer to memory where to store */ + dulint n); /*!< in: dulint integer to be stored */ +/*********************************************************//** +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_dulint_get_much_compressed_size( +/*=================================*/ + dulint n) /*!< in: dulint integer to be stored */ + __attribute__((const)); +/*********************************************************//** +Reads a dulint in a compressed form. +@return read dulint */ +UNIV_INLINE +dulint +mach_dulint_read_much_compressed( +/*=============================*/ + const byte* b) /*!< in: pointer to memory from where to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Reads a ulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ +UNIV_INTERN +byte* +mach_parse_compressed( +/*==================*/ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + ulint* val); /*!< out: read value */ +/*********************************************************//** +Reads a dulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ +UNIV_INTERN +byte* +mach_dulint_parse_compressed( +/*=========================*/ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + dulint* val); /*!< out: read value */ +#ifndef UNIV_HOTBACKUP +/*********************************************************//** +Reads a double. It is stored in a little-endian format. +@return double read */ +UNIV_INLINE +double +mach_double_read( +/*=============*/ + const byte* b) /*!< in: pointer to memory from where to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a double. It is stored in a little-endian format. */ +UNIV_INLINE +void +mach_double_write( +/*==============*/ + byte* b, /*!< in: pointer to memory where to write */ + double d); /*!< in: double */ +/*********************************************************//** +Reads a float. It is stored in a little-endian format. +@return float read */ +UNIV_INLINE +float +mach_float_read( +/*============*/ + const byte* b) /*!< in: pointer to memory from where to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a float. It is stored in a little-endian format. */ +UNIV_INLINE +void +mach_float_write( +/*=============*/ + byte* b, /*!< in: pointer to memory where to write */ + float d); /*!< in: float */ +/*********************************************************//** +Reads a ulint stored in the little-endian format. +@return unsigned long int */ +UNIV_INLINE +ulint +mach_read_from_n_little_endian( +/*===========================*/ + const byte* buf, /*!< in: from where to read */ + ulint buf_size) /*!< in: from how many bytes to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a ulint in the little-endian format. */ +UNIV_INLINE +void +mach_write_to_n_little_endian( +/*==========================*/ + byte* dest, /*!< in: where to write */ + ulint dest_size, /*!< in: into how many bytes to write */ + ulint n); /*!< in: unsigned long int to write */ +/*********************************************************//** +Reads a ulint stored in the little-endian format. +@return unsigned long int */ +UNIV_INLINE +ulint +mach_read_from_2_little_endian( +/*===========================*/ + const byte* buf) /*!< in: from where to read */ + __attribute__((nonnull, pure)); +/*********************************************************//** +Writes a ulint in the little-endian format. */ +UNIV_INLINE +void +mach_write_to_2_little_endian( +/*==========================*/ + byte* dest, /*!< in: where to write */ + ulint n); /*!< in: unsigned long int to write */ + +/*********************************************************//** +Convert integral type from storage byte order (big endian) to +host byte order. +@return integer value */ +UNIV_INLINE +ullint +mach_read_int_type( +/*===============*/ + const byte* src, /*!< in: where to read from */ + ulint len, /*!< in: length of src */ + ibool unsigned_type); /*!< in: signed or unsigned flag */ +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "mach0data.ic" +#endif + +#endif diff --git a/perfschema/include/mach0data.ic b/perfschema/include/mach0data.ic new file mode 100644 index 00000000000..ef20356bd31 --- /dev/null +++ b/perfschema/include/mach0data.ic @@ -0,0 +1,786 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/mach0data.ic +Utilities for converting data from the database file +to the machine format. + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#include "ut0mem.h" + +/*******************************************************//** +The following function is used to store data in one byte. */ +UNIV_INLINE +void +mach_write_to_1( +/*============*/ + byte* b, /*!< in: pointer to byte where to store */ + ulint n) /*!< in: ulint integer to be stored, >= 0, < 256 */ +{ + ut_ad(b); + ut_ad(n <= 0xFFUL); + + b[0] = (byte)n; +} + +/********************************************************//** +The following function is used to fetch data from one byte. +@return ulint integer, >= 0, < 256 */ +UNIV_INLINE +ulint +mach_read_from_1( +/*=============*/ + const byte* b) /*!< in: pointer to byte */ +{ + ut_ad(b); + return((ulint)(b[0])); +} + +/*******************************************************//** +The following function is used to store data in two consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_2( +/*============*/ + byte* b, /*!< in: pointer to two bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ +{ + ut_ad(b); + ut_ad(n <= 0xFFFFUL); + + b[0] = (byte)(n >> 8); + b[1] = (byte)(n); +} + +/********************************************************//** +The following function is used to fetch data from 2 consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer */ +UNIV_INLINE +ulint +mach_read_from_2( +/*=============*/ + const byte* b) /*!< in: pointer to 2 bytes */ +{ + ut_ad(b); + return( ((ulint)(b[0]) << 8) + + (ulint)(b[1]) + ); +} + +/********************************************************//** +The following function is used to convert a 16-bit data item +to the canonical format, for fast bytewise equality test +against memory. +@return 16-bit integer in canonical format */ +UNIV_INLINE +uint16 +mach_encode_2( +/*==========*/ + ulint n) /*!< in: integer in machine-dependent format */ +{ + uint16 ret; + ut_ad(2 == sizeof ret); + mach_write_to_2((byte*) &ret, n); + return(ret); +} +/********************************************************//** +The following function is used to convert a 16-bit data item +from the canonical format, for fast bytewise equality test +against memory. +@return integer in machine-dependent format */ +UNIV_INLINE +ulint +mach_decode_2( +/*==========*/ + uint16 n) /*!< in: 16-bit integer in canonical format */ +{ + ut_ad(2 == sizeof n); + return(mach_read_from_2((const byte*) &n)); +} + +/*******************************************************//** +The following function is used to store data in 3 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_3( +/*============*/ + byte* b, /*!< in: pointer to 3 bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ +{ + ut_ad(b); + ut_ad(n <= 0xFFFFFFUL); + + b[0] = (byte)(n >> 16); + b[1] = (byte)(n >> 8); + b[2] = (byte)(n); +} + +/********************************************************//** +The following function is used to fetch data from 3 consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer */ +UNIV_INLINE +ulint +mach_read_from_3( +/*=============*/ + const byte* b) /*!< in: pointer to 3 bytes */ +{ + ut_ad(b); + return( ((ulint)(b[0]) << 16) + + ((ulint)(b[1]) << 8) + + (ulint)(b[2]) + ); +} + +/*******************************************************//** +The following function is used to store data in four consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_4( +/*============*/ + byte* b, /*!< in: pointer to four bytes where to store */ + ulint n) /*!< in: ulint integer to be stored */ +{ + ut_ad(b); + + b[0] = (byte)(n >> 24); + b[1] = (byte)(n >> 16); + b[2] = (byte)(n >> 8); + b[3] = (byte)n; +} + +/********************************************************//** +The following function is used to fetch data from 4 consecutive +bytes. The most significant byte is at the lowest address. +@return ulint integer */ +UNIV_INLINE +ulint +mach_read_from_4( +/*=============*/ + const byte* b) /*!< in: pointer to four bytes */ +{ + ut_ad(b); + return( ((ulint)(b[0]) << 24) + + ((ulint)(b[1]) << 16) + + ((ulint)(b[2]) << 8) + + (ulint)(b[3]) + ); +} + +/*********************************************************//** +Writes a ulint in a compressed form where the first byte codes the +length of the stored ulint. We look at the most significant bits of +the byte. If the most significant bit is zero, it means 1-byte storage, +else if the 2nd bit is 0, it means 2-byte storage, else if 3rd is 0, +it means 3-byte storage, else if 4th is 0, it means 4-byte storage, +else the storage is 5-byte. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_write_compressed( +/*==================*/ + byte* b, /*!< in: pointer to memory where to store */ + ulint n) /*!< in: ulint integer (< 2^32) to be stored */ +{ + ut_ad(b); + + if (n < 0x80UL) { + mach_write_to_1(b, n); + return(1); + } else if (n < 0x4000UL) { + mach_write_to_2(b, n | 0x8000UL); + return(2); + } else if (n < 0x200000UL) { + mach_write_to_3(b, n | 0xC00000UL); + return(3); + } else if (n < 0x10000000UL) { + mach_write_to_4(b, n | 0xE0000000UL); + return(4); + } else { + mach_write_to_1(b, 0xF0UL); + mach_write_to_4(b + 1, n); + return(5); + } +} + +/*********************************************************//** +Returns the size of a ulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_get_compressed_size( +/*=====================*/ + ulint n) /*!< in: ulint integer (< 2^32) to be stored */ +{ + if (n < 0x80UL) { + return(1); + } else if (n < 0x4000UL) { + return(2); + } else if (n < 0x200000UL) { + return(3); + } else if (n < 0x10000000UL) { + return(4); + } else { + return(5); + } +} + +/*********************************************************//** +Reads a ulint in a compressed form. +@return read integer (< 2^32) */ +UNIV_INLINE +ulint +mach_read_compressed( +/*=================*/ + const byte* b) /*!< in: pointer to memory from where to read */ +{ + ulint flag; + + ut_ad(b); + + flag = mach_read_from_1(b); + + if (flag < 0x80UL) { + return(flag); + } else if (flag < 0xC0UL) { + return(mach_read_from_2(b) & 0x7FFFUL); + } else if (flag < 0xE0UL) { + return(mach_read_from_3(b) & 0x3FFFFFUL); + } else if (flag < 0xF0UL) { + return(mach_read_from_4(b) & 0x1FFFFFFFUL); + } else { + ut_ad(flag == 0xF0UL); + return(mach_read_from_4(b + 1)); + } +} + +/*******************************************************//** +The following function is used to store data in 8 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_8( +/*============*/ + byte* b, /*!< in: pointer to 8 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ +{ + ut_ad(b); + + mach_write_to_4(b, ut_dulint_get_high(n)); + mach_write_to_4(b + 4, ut_dulint_get_low(n)); +} + +/*******************************************************//** +The following function is used to store data in 8 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_ull( +/*===========*/ + byte* b, /*!< in: pointer to 8 bytes where to store */ + ib_uint64_t n) /*!< in: 64-bit integer to be stored */ +{ + ut_ad(b); + + mach_write_to_4(b, (ulint) (n >> 32)); + mach_write_to_4(b + 4, (ulint) n); +} + +/********************************************************//** +The following function is used to fetch data from 8 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_8( +/*=============*/ + const byte* b) /*!< in: pointer to 8 bytes */ +{ + ulint high; + ulint low; + + ut_ad(b); + + high = mach_read_from_4(b); + low = mach_read_from_4(b + 4); + + return(ut_dulint_create(high, low)); +} + +/********************************************************//** +The following function is used to fetch data from 8 consecutive +bytes. The most significant byte is at the lowest address. +@return 64-bit integer */ +UNIV_INLINE +ib_uint64_t +mach_read_ull( +/*==========*/ + const byte* b) /*!< in: pointer to 8 bytes */ +{ + ib_uint64_t ull; + + ull = ((ib_uint64_t) mach_read_from_4(b)) << 32; + ull |= (ib_uint64_t) mach_read_from_4(b + 4); + + return(ull); +} + +/*******************************************************//** +The following function is used to store data in 7 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_7( +/*============*/ + byte* b, /*!< in: pointer to 7 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ +{ + ut_ad(b); + + mach_write_to_3(b, ut_dulint_get_high(n)); + mach_write_to_4(b + 3, ut_dulint_get_low(n)); +} + +/********************************************************//** +The following function is used to fetch data from 7 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_7( +/*=============*/ + const byte* b) /*!< in: pointer to 7 bytes */ +{ + ulint high; + ulint low; + + ut_ad(b); + + high = mach_read_from_3(b); + low = mach_read_from_4(b + 3); + + return(ut_dulint_create(high, low)); +} + +/*******************************************************//** +The following function is used to store data in 6 consecutive +bytes. We store the most significant byte to the lowest address. */ +UNIV_INLINE +void +mach_write_to_6( +/*============*/ + byte* b, /*!< in: pointer to 6 bytes where to store */ + dulint n) /*!< in: dulint integer to be stored */ +{ + ut_ad(b); + + mach_write_to_2(b, ut_dulint_get_high(n)); + mach_write_to_4(b + 2, ut_dulint_get_low(n)); +} + +/********************************************************//** +The following function is used to fetch data from 6 consecutive +bytes. The most significant byte is at the lowest address. +@return dulint integer */ +UNIV_INLINE +dulint +mach_read_from_6( +/*=============*/ + const byte* b) /*!< in: pointer to 6 bytes */ +{ + ulint high; + ulint low; + + ut_ad(b); + + high = mach_read_from_2(b); + low = mach_read_from_4(b + 2); + + return(ut_dulint_create(high, low)); +} + +/*********************************************************//** +Writes a dulint in a compressed form (5..9 bytes). +@return size in bytes */ +UNIV_INLINE +ulint +mach_dulint_write_compressed( +/*=========================*/ + byte* b, /*!< in: pointer to memory where to store */ + dulint n) /*!< in: dulint integer to be stored */ +{ + ulint size; + + ut_ad(b); + + size = mach_write_compressed(b, ut_dulint_get_high(n)); + mach_write_to_4(b + size, ut_dulint_get_low(n)); + + return(size + 4); +} + +/*********************************************************//** +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_dulint_get_compressed_size( +/*============================*/ + dulint n) /*!< in: dulint integer to be stored */ +{ + return(4 + mach_get_compressed_size(ut_dulint_get_high(n))); +} + +/*********************************************************//** +Reads a dulint in a compressed form. +@return read dulint */ +UNIV_INLINE +dulint +mach_dulint_read_compressed( +/*========================*/ + const byte* b) /*!< in: pointer to memory from where to read */ +{ + ulint high; + ulint low; + ulint size; + + ut_ad(b); + + high = mach_read_compressed(b); + + size = mach_get_compressed_size(high); + + low = mach_read_from_4(b + size); + + return(ut_dulint_create(high, low)); +} + +/*********************************************************//** +Writes a dulint in a compressed form (1..11 bytes). +@return size in bytes */ +UNIV_INLINE +ulint +mach_dulint_write_much_compressed( +/*==============================*/ + byte* b, /*!< in: pointer to memory where to store */ + dulint n) /*!< in: dulint integer to be stored */ +{ + ulint size; + + ut_ad(b); + + if (ut_dulint_get_high(n) == 0) { + return(mach_write_compressed(b, ut_dulint_get_low(n))); + } + + *b = (byte)0xFF; + size = 1 + mach_write_compressed(b + 1, ut_dulint_get_high(n)); + + size += mach_write_compressed(b + size, ut_dulint_get_low(n)); + + return(size); +} + +/*********************************************************//** +Returns the size of a dulint when written in the compressed form. +@return compressed size in bytes */ +UNIV_INLINE +ulint +mach_dulint_get_much_compressed_size( +/*=================================*/ + dulint n) /*!< in: dulint integer to be stored */ +{ + if (0 == ut_dulint_get_high(n)) { + return(mach_get_compressed_size(ut_dulint_get_low(n))); + } + + return(1 + mach_get_compressed_size(ut_dulint_get_high(n)) + + mach_get_compressed_size(ut_dulint_get_low(n))); +} + +/*********************************************************//** +Reads a dulint in a compressed form. +@return read dulint */ +UNIV_INLINE +dulint +mach_dulint_read_much_compressed( +/*=============================*/ + const byte* b) /*!< in: pointer to memory from where to read */ +{ + ulint high; + ulint low; + ulint size; + + ut_ad(b); + + if (*b != (byte)0xFF) { + high = 0; + size = 0; + } else { + high = mach_read_compressed(b + 1); + + size = 1 + mach_get_compressed_size(high); + } + + low = mach_read_compressed(b + size); + + return(ut_dulint_create(high, low)); +} +#ifndef UNIV_HOTBACKUP +/*********************************************************//** +Reads a double. It is stored in a little-endian format. +@return double read */ +UNIV_INLINE +double +mach_double_read( +/*=============*/ + const byte* b) /*!< in: pointer to memory from where to read */ +{ + double d; + ulint i; + byte* ptr; + + ptr = (byte*)&d; + + for (i = 0; i < sizeof(double); i++) { +#ifdef WORDS_BIGENDIAN + ptr[sizeof(double) - i - 1] = b[i]; +#else + ptr[i] = b[i]; +#endif + } + + return(d); +} + +/*********************************************************//** +Writes a double. It is stored in a little-endian format. */ +UNIV_INLINE +void +mach_double_write( +/*==============*/ + byte* b, /*!< in: pointer to memory where to write */ + double d) /*!< in: double */ +{ + ulint i; + byte* ptr; + + ptr = (byte*)&d; + + for (i = 0; i < sizeof(double); i++) { +#ifdef WORDS_BIGENDIAN + b[i] = ptr[sizeof(double) - i - 1]; +#else + b[i] = ptr[i]; +#endif + } +} + +/*********************************************************//** +Reads a float. It is stored in a little-endian format. +@return float read */ +UNIV_INLINE +float +mach_float_read( +/*============*/ + const byte* b) /*!< in: pointer to memory from where to read */ +{ + float d; + ulint i; + byte* ptr; + + ptr = (byte*)&d; + + for (i = 0; i < sizeof(float); i++) { +#ifdef WORDS_BIGENDIAN + ptr[sizeof(float) - i - 1] = b[i]; +#else + ptr[i] = b[i]; +#endif + } + + return(d); +} + +/*********************************************************//** +Writes a float. It is stored in a little-endian format. */ +UNIV_INLINE +void +mach_float_write( +/*=============*/ + byte* b, /*!< in: pointer to memory where to write */ + float d) /*!< in: float */ +{ + ulint i; + byte* ptr; + + ptr = (byte*)&d; + + for (i = 0; i < sizeof(float); i++) { +#ifdef WORDS_BIGENDIAN + b[i] = ptr[sizeof(float) - i - 1]; +#else + b[i] = ptr[i]; +#endif + } +} + +/*********************************************************//** +Reads a ulint stored in the little-endian format. +@return unsigned long int */ +UNIV_INLINE +ulint +mach_read_from_n_little_endian( +/*===========================*/ + const byte* buf, /*!< in: from where to read */ + ulint buf_size) /*!< in: from how many bytes to read */ +{ + ulint n = 0; + const byte* ptr; + + ut_ad(buf_size <= sizeof(ulint)); + ut_ad(buf_size > 0); + + ptr = buf + buf_size; + + for (;;) { + ptr--; + + n = n << 8; + + n += (ulint)(*ptr); + + if (ptr == buf) { + break; + } + } + + return(n); +} + +/*********************************************************//** +Writes a ulint in the little-endian format. */ +UNIV_INLINE +void +mach_write_to_n_little_endian( +/*==========================*/ + byte* dest, /*!< in: where to write */ + ulint dest_size, /*!< in: into how many bytes to write */ + ulint n) /*!< in: unsigned long int to write */ +{ + byte* end; + + ut_ad(dest_size <= sizeof(ulint)); + ut_ad(dest_size > 0); + + end = dest + dest_size; + + for (;;) { + *dest = (byte)(n & 0xFF); + + n = n >> 8; + + dest++; + + if (dest == end) { + break; + } + } + + ut_ad(n == 0); +} + +/*********************************************************//** +Reads a ulint stored in the little-endian format. +@return unsigned long int */ +UNIV_INLINE +ulint +mach_read_from_2_little_endian( +/*===========================*/ + const byte* buf) /*!< in: from where to read */ +{ + return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); +} + +/*********************************************************//** +Writes a ulint in the little-endian format. */ +UNIV_INLINE +void +mach_write_to_2_little_endian( +/*==========================*/ + byte* dest, /*!< in: where to write */ + ulint n) /*!< in: unsigned long int to write */ +{ + ut_ad(n < 256 * 256); + + *dest = (byte)(n & 0xFFUL); + + n = n >> 8; + dest++; + + *dest = (byte)(n & 0xFFUL); +} + +/*********************************************************//** +Convert integral type from storage byte order (big endian) to +host byte order. +@return integer value */ +UNIV_INLINE +ullint +mach_read_int_type( +/*===============*/ + const byte* src, /*!< in: where to read from */ + ulint len, /*!< in: length of src */ + ibool unsigned_type) /*!< in: signed or unsigned flag */ +{ + /* XXX this can be optimized on big-endian machines */ + + ullint ret; + uint i; + + if (unsigned_type || (src[0] & 0x80)) { + + ret = 0x0000000000000000ULL; + } else { + + ret = 0xFFFFFFFFFFFFFF00ULL; + } + + if (unsigned_type) { + + ret |= src[0]; + } else { + + ret |= src[0] ^ 0x80; + } + + for (i = 1; i < len; i++) { + ret <<= 8; + ret |= src[i]; + } + + return(ret); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mem0dbg.h b/perfschema/include/mem0dbg.h new file mode 100644 index 00000000000..d81e1418b2b --- /dev/null +++ b/perfschema/include/mem0dbg.h @@ -0,0 +1,150 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mem0dbg.h +The memory management: the debug code. This is not a compilation module, +but is included in mem0mem.* ! + +Created 6/9/1994 Heikki Tuuri +*******************************************************/ + +/* In the debug version each allocated field is surrounded with +check fields whose sizes are given below */ + +#ifdef UNIV_MEM_DEBUG +# ifndef UNIV_HOTBACKUP +/* The mutex which protects in the debug version the hash table +containing the list of live memory heaps, and also the global +variables in mem0dbg.c. */ +extern mutex_t mem_hash_mutex; +# endif /* !UNIV_HOTBACKUP */ + +#define MEM_FIELD_HEADER_SIZE ut_calc_align(2 * sizeof(ulint),\ + UNIV_MEM_ALIGNMENT) +#define MEM_FIELD_TRAILER_SIZE sizeof(ulint) +#else +#define MEM_FIELD_HEADER_SIZE 0 +#endif + + +/* Space needed when allocating for a user a field of +length N. The space is allocated only in multiples of +UNIV_MEM_ALIGNMENT. In the debug version there are also +check fields at the both ends of the field. */ +#ifdef UNIV_MEM_DEBUG +#define MEM_SPACE_NEEDED(N) ut_calc_align((N) + MEM_FIELD_HEADER_SIZE\ + + MEM_FIELD_TRAILER_SIZE, UNIV_MEM_ALIGNMENT) +#else +#define MEM_SPACE_NEEDED(N) ut_calc_align((N), UNIV_MEM_ALIGNMENT) +#endif + +#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG +/***************************************************************//** +Checks a memory heap for consistency and prints the contents if requested. +Outputs the sum of sizes of buffers given to the user (only in +the debug version), the physical size of the heap and the number of +blocks in the heap. In case of error returns 0 as sizes and number +of blocks. */ +UNIV_INTERN +void +mem_heap_validate_or_print( +/*=======================*/ + mem_heap_t* heap, /*!< in: memory heap */ + byte* top, /*!< in: calculate and validate only until + this top pointer in the heap is reached, + if this pointer is NULL, ignored */ + ibool print, /*!< in: if TRUE, prints the contents + of the heap; works only in + the debug version */ + ibool* error, /*!< out: TRUE if error */ + ulint* us_size,/*!< out: allocated memory + (for the user) in the heap, + if a NULL pointer is passed as this + argument, it is ignored; in the + non-debug version this is always -1 */ + ulint* ph_size,/*!< out: physical size of the heap, + if a NULL pointer is passed as this + argument, it is ignored */ + ulint* n_blocks); /*!< out: number of blocks in the heap, + if a NULL pointer is passed as this + argument, it is ignored */ +/**************************************************************//** +Validates the contents of a memory heap. +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_heap_validate( +/*==============*/ + mem_heap_t* heap); /*!< in: memory heap */ +#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ +#ifdef UNIV_DEBUG +/**************************************************************//** +Checks that an object is a memory heap (or a block of it) +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_heap_check( +/*===========*/ + mem_heap_t* heap); /*!< in: memory heap */ +#endif /* UNIV_DEBUG */ +#ifdef UNIV_MEM_DEBUG +/*****************************************************************//** +TRUE if no memory is currently allocated. +@return TRUE if no heaps exist */ +UNIV_INTERN +ibool +mem_all_freed(void); +/*===============*/ +/*****************************************************************//** +Validates the dynamic memory +@return TRUE if error */ +UNIV_INTERN +ibool +mem_validate_no_assert(void); +/*=========================*/ +/************************************************************//** +Validates the dynamic memory +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_validate(void); +/*===============*/ +#endif /* UNIV_MEM_DEBUG */ +/************************************************************//** +Tries to find neigboring memory allocation blocks and dumps to stderr +the neighborhood of a given pointer. */ +UNIV_INTERN +void +mem_analyze_corruption( +/*===================*/ + void* ptr); /*!< in: pointer to place of possible corruption */ +/*****************************************************************//** +Prints information of dynamic memory usage and currently allocated memory +heaps or buffers. Can only be used in the debug version. */ +UNIV_INTERN +void +mem_print_info(void); +/*================*/ +/*****************************************************************//** +Prints information of dynamic memory usage and currently allocated memory +heaps or buffers since the last ..._print_info or..._print_new_info. */ +UNIV_INTERN +void +mem_print_new_info(void); +/*====================*/ diff --git a/perfschema/include/mem0dbg.ic b/perfschema/include/mem0dbg.ic new file mode 100644 index 00000000000..b0c8178a623 --- /dev/null +++ b/perfschema/include/mem0dbg.ic @@ -0,0 +1,109 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/mem0dbg.ic +The memory management: the debug code. This is not an independent +compilation module but is included in mem0mem.*. + +Created 6/8/1994 Heikki Tuuri +*************************************************************************/ + +#ifdef UNIV_MEM_DEBUG +extern ulint mem_current_allocated_memory; + +/******************************************************************//** +Initializes an allocated memory field in the debug version. */ +UNIV_INTERN +void +mem_field_init( +/*===========*/ + byte* buf, /*!< in: memory field */ + ulint n); /*!< in: how many bytes the user requested */ +/******************************************************************//** +Erases an allocated memory field in the debug version. */ +UNIV_INTERN +void +mem_field_erase( +/*============*/ + byte* buf, /*!< in: memory field */ + ulint n); /*!< in: how many bytes the user requested */ +/***************************************************************//** +Initializes a buffer to a random combination of hex BA and BE. +Used to initialize allocated memory. */ +UNIV_INTERN +void +mem_init_buf( +/*=========*/ + byte* buf, /*!< in: pointer to buffer */ + ulint n); /*!< in: length of buffer */ +/***************************************************************//** +Initializes a buffer to a random combination of hex DE and AD. +Used to erase freed memory. */ +UNIV_INTERN +void +mem_erase_buf( +/*==========*/ + byte* buf, /*!< in: pointer to buffer */ + ulint n); /*!< in: length of buffer */ +/***************************************************************//** +Inserts a created memory heap to the hash table of +current allocated memory heaps. +Initializes the hash table when first called. */ +UNIV_INTERN +void +mem_hash_insert( +/*============*/ + mem_heap_t* heap, /*!< in: the created heap */ + const char* file_name, /*!< in: file name of creation */ + ulint line); /*!< in: line where created */ +/***************************************************************//** +Removes a memory heap (which is going to be freed by the caller) +from the list of live memory heaps. Returns the size of the heap +in terms of how much memory in bytes was allocated for the user of +the heap (not the total space occupied by the heap). +Also validates the heap. +NOTE: This function does not free the storage occupied by the +heap itself, only the node in the list of heaps. */ +UNIV_INTERN +void +mem_hash_remove( +/*============*/ + mem_heap_t* heap, /*!< in: the heap to be freed */ + const char* file_name, /*!< in: file name of freeing */ + ulint line); /*!< in: line where freed */ + + +void +mem_field_header_set_len(byte* field, ulint len); + +ulint +mem_field_header_get_len(byte* field); + +void +mem_field_header_set_check(byte* field, ulint check); + +ulint +mem_field_header_get_check(byte* field); + +void +mem_field_trailer_set_check(byte* field, ulint check); + +ulint +mem_field_trailer_get_check(byte* field); +#endif /* UNIV_MEM_DEBUG */ diff --git a/perfschema/include/mem0mem.h b/perfschema/include/mem0mem.h new file mode 100644 index 00000000000..5181bb4c9f7 --- /dev/null +++ b/perfschema/include/mem0mem.h @@ -0,0 +1,402 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mem0mem.h +The memory management + +Created 6/9/1994 Heikki Tuuri +*******************************************************/ + +#ifndef mem0mem_h +#define mem0mem_h + +#include "univ.i" +#include "ut0mem.h" +#include "ut0byte.h" +#include "ut0rnd.h" +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +#endif /* UNIV_HOTBACKUP */ +#include "ut0lst.h" +#include "mach0data.h" + +/* -------------------- MEMORY HEAPS ----------------------------- */ + +/* The info structure stored at the beginning of a heap block */ +typedef struct mem_block_info_struct mem_block_info_t; + +/* A block of a memory heap consists of the info structure +followed by an area of memory */ +typedef mem_block_info_t mem_block_t; + +/* A memory heap is a nonempty linear list of memory blocks */ +typedef mem_block_t mem_heap_t; + +/* Types of allocation for memory heaps: DYNAMIC means allocation from the +dynamic memory pool of the C compiler, BUFFER means allocation from the +buffer pool; the latter method is used for very big heaps */ + +#define MEM_HEAP_DYNAMIC 0 /* the most common type */ +#define MEM_HEAP_BUFFER 1 +#define MEM_HEAP_BTR_SEARCH 2 /* this flag can optionally be + ORed to MEM_HEAP_BUFFER, in which + case heap->free_block is used in + some cases for memory allocations, + and if it's NULL, the memory + allocation functions can return + NULL. */ + +/* The following start size is used for the first block in the memory heap if +the size is not specified, i.e., 0 is given as the parameter in the call of +create. The standard size is the maximum (payload) size of the blocks used for +allocations of small buffers. */ + +#define MEM_BLOCK_START_SIZE 64 +#define MEM_BLOCK_STANDARD_SIZE \ + (UNIV_PAGE_SIZE >= 16384 ? 8000 : MEM_MAX_ALLOC_IN_BUF) + +/* If a memory heap is allowed to grow into the buffer pool, the following +is the maximum size for a single allocated buffer: */ +#define MEM_MAX_ALLOC_IN_BUF (UNIV_PAGE_SIZE - 200) + +/******************************************************************//** +Initializes the memory system. */ +UNIV_INTERN +void +mem_init( +/*=====*/ + ulint size); /*!< in: common pool size in bytes */ +/******************************************************************//** +Closes the memory system. */ +UNIV_INTERN +void +mem_close(void); +/*===========*/ + +/**************************************************************//** +Use this macro instead of the corresponding function! Macro for memory +heap creation. */ + +#define mem_heap_create(N) mem_heap_create_func(\ + (N), MEM_HEAP_DYNAMIC, __FILE__, __LINE__) +/**************************************************************//** +Use this macro instead of the corresponding function! Macro for memory +heap creation. */ + +#define mem_heap_create_in_buffer(N) mem_heap_create_func(\ + (N), MEM_HEAP_BUFFER, __FILE__, __LINE__) +/**************************************************************//** +Use this macro instead of the corresponding function! Macro for memory +heap creation. */ + +#define mem_heap_create_in_btr_search(N) mem_heap_create_func(\ + (N), MEM_HEAP_BTR_SEARCH | MEM_HEAP_BUFFER,\ + __FILE__, __LINE__) + +/**************************************************************//** +Use this macro instead of the corresponding function! Macro for memory +heap freeing. */ + +#define mem_heap_free(heap) mem_heap_free_func(\ + (heap), __FILE__, __LINE__) +/*****************************************************************//** +NOTE: Use the corresponding macros instead of this function. Creates a +memory heap. For debugging purposes, takes also the file name and line as +arguments. +@return own: memory heap, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INLINE +mem_heap_t* +mem_heap_create_func( +/*=================*/ + ulint n, /*!< in: desired start block size, + this means that a single user buffer + of size n will fit in the block, + 0 creates a default size block */ + ulint type, /*!< in: heap type */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ +/*****************************************************************//** +NOTE: Use the corresponding macro instead of this function. Frees the space +occupied by a memory heap. In the debug version erases the heap memory +blocks. */ +UNIV_INLINE +void +mem_heap_free_func( +/*===============*/ + mem_heap_t* heap, /*!< in, own: heap to be freed */ + const char* file_name, /*!< in: file name where freed */ + ulint line); /*!< in: line where freed */ +/***************************************************************//** +Allocates and zero-fills n bytes of memory from a memory heap. +@return allocated, zero-filled storage */ +UNIV_INLINE +void* +mem_heap_zalloc( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes; if the heap is allowed + to grow into the buffer pool, this must be + <= MEM_MAX_ALLOC_IN_BUF */ +/***************************************************************//** +Allocates n bytes of memory from a memory heap. +@return allocated storage, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INLINE +void* +mem_heap_alloc( +/*===========*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes; if the heap is allowed + to grow into the buffer pool, this must be + <= MEM_MAX_ALLOC_IN_BUF */ +/*****************************************************************//** +Returns a pointer to the heap top. +@return pointer to the heap top */ +UNIV_INLINE +byte* +mem_heap_get_heap_top( +/*==================*/ + mem_heap_t* heap); /*!< in: memory heap */ +/*****************************************************************//** +Frees the space in a memory heap exceeding the pointer given. The +pointer must have been acquired from mem_heap_get_heap_top. The first +memory block of the heap is not freed. */ +UNIV_INLINE +void +mem_heap_free_heap_top( +/*===================*/ + mem_heap_t* heap, /*!< in: heap from which to free */ + byte* old_top);/*!< in: pointer to old top of heap */ +/*****************************************************************//** +Empties a memory heap. The first memory block of the heap is not freed. */ +UNIV_INLINE +void +mem_heap_empty( +/*===========*/ + mem_heap_t* heap); /*!< in: heap to empty */ +/*****************************************************************//** +Returns a pointer to the topmost element in a memory heap. +The size of the element must be given. +@return pointer to the topmost element */ +UNIV_INLINE +void* +mem_heap_get_top( +/*=============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: size of the topmost element */ +/*****************************************************************//** +Frees the topmost element in a memory heap. +The size of the element must be given. */ +UNIV_INLINE +void +mem_heap_free_top( +/*==============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: size of the topmost element */ +/*****************************************************************//** +Returns the space in bytes occupied by a memory heap. */ +UNIV_INLINE +ulint +mem_heap_get_size( +/*==============*/ + mem_heap_t* heap); /*!< in: heap */ +/**************************************************************//** +Use this macro instead of the corresponding function! +Macro for memory buffer allocation */ + +#define mem_zalloc(N) memset(mem_alloc(N), 0, (N)); + +#define mem_alloc(N) mem_alloc_func((N), NULL, __FILE__, __LINE__) +#define mem_alloc2(N,S) mem_alloc_func((N), (S), __FILE__, __LINE__) +/***************************************************************//** +NOTE: Use the corresponding macro instead of this function. +Allocates a single buffer of memory from the dynamic memory of +the C compiler. Is like malloc of C. The buffer must be freed +with mem_free. +@return own: free storage */ +UNIV_INLINE +void* +mem_alloc_func( +/*===========*/ + ulint n, /*!< in: requested size in bytes */ + ulint* size, /*!< out: allocated size in bytes, + or NULL */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ + +/**************************************************************//** +Use this macro instead of the corresponding function! +Macro for memory buffer freeing */ + +#define mem_free(PTR) mem_free_func((PTR), __FILE__, __LINE__) +/***************************************************************//** +NOTE: Use the corresponding macro instead of this function. +Frees a single buffer of storage from +the dynamic memory of C compiler. Similar to free of C. */ +UNIV_INLINE +void +mem_free_func( +/*==========*/ + void* ptr, /*!< in, own: buffer to be freed */ + const char* file_name, /*!< in: file name where created */ + ulint line); /*!< in: line where created */ + +/**********************************************************************//** +Duplicates a NUL-terminated string. +@return own: a copy of the string, must be deallocated with mem_free */ +UNIV_INLINE +char* +mem_strdup( +/*=======*/ + const char* str); /*!< in: string to be copied */ +/**********************************************************************//** +Makes a NUL-terminated copy of a nonterminated string. +@return own: a copy of the string, must be deallocated with mem_free */ +UNIV_INLINE +char* +mem_strdupl( +/*========*/ + const char* str, /*!< in: string to be copied */ + ulint len); /*!< in: length of str, in bytes */ + +/**********************************************************************//** +Duplicates a NUL-terminated string, allocated from a memory heap. +@return own: a copy of the string */ +UNIV_INTERN +char* +mem_heap_strdup( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str); /*!< in: string to be copied */ +/**********************************************************************//** +Makes a NUL-terminated copy of a nonterminated string, +allocated from a memory heap. +@return own: a copy of the string */ +UNIV_INLINE +char* +mem_heap_strdupl( +/*=============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str, /*!< in: string to be copied */ + ulint len); /*!< in: length of str, in bytes */ + +/**********************************************************************//** +Concatenate two strings and return the result, using a memory heap. +@return own: the result */ +UNIV_INTERN +char* +mem_heap_strcat( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* s1, /*!< in: string 1 */ + const char* s2); /*!< in: string 2 */ + +/**********************************************************************//** +Duplicate a block of data, allocated from a memory heap. +@return own: a copy of the data */ +UNIV_INTERN +void* +mem_heap_dup( +/*=========*/ + mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ + const void* data, /*!< in: data to be copied */ + ulint len); /*!< in: length of data, in bytes */ + +/****************************************************************//** +A simple (s)printf replacement that dynamically allocates the space for the +formatted string from the given heap. This supports a very limited set of +the printf syntax: types 's' and 'u' and length modifier 'l' (which is +required for the 'u' type). +@return heap-allocated formatted string */ +UNIV_INTERN +char* +mem_heap_printf( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap */ + const char* format, /*!< in: format string */ + ...) __attribute__ ((format (printf, 2, 3))); + +#ifdef MEM_PERIODIC_CHECK +/******************************************************************//** +Goes through the list of all allocated mem blocks, checks their magic +numbers, and reports possible corruption. */ +UNIV_INTERN +void +mem_validate_all_blocks(void); +/*=========================*/ +#endif + +/*#######################################################################*/ + +/* The info header of a block in a memory heap */ + +struct mem_block_info_struct { + ulint magic_n;/* magic number for debugging */ + char file_name[8];/* file name where the mem heap was created */ + ulint line; /*!< line number where the mem heap was created */ + UT_LIST_BASE_NODE_T(mem_block_t) base; /* In the first block in the + the list this is the base node of the list of blocks; + in subsequent blocks this is undefined */ + UT_LIST_NODE_T(mem_block_t) list; /* This contains pointers to next + and prev in the list. The first block allocated + to the heap is also the first block in this list, + though it also contains the base node of the list. */ + ulint len; /*!< physical length of this block in bytes */ + ulint total_size; /*!< physical length in bytes of all blocks + in the heap. This is defined only in the base + node and is set to ULINT_UNDEFINED in others. */ + ulint type; /*!< type of heap: MEM_HEAP_DYNAMIC, or + MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH */ + ulint free; /*!< offset in bytes of the first free position for + user data in the block */ + ulint start; /*!< the value of the struct field 'free' at the + creation of the block */ +#ifndef UNIV_HOTBACKUP + void* free_block; + /* if the MEM_HEAP_BTR_SEARCH bit is set in type, + and this is the heap root, this can contain an + allocated buffer frame, which can be appended as a + free block to the heap, if we need more space; + otherwise, this is NULL */ + void* buf_block; + /* if this block has been allocated from the buffer + pool, this contains the buf_block_t handle; + otherwise, this is NULL */ +#endif /* !UNIV_HOTBACKUP */ +#ifdef MEM_PERIODIC_CHECK + UT_LIST_NODE_T(mem_block_t) mem_block_list; + /* List of all mem blocks allocated; protected + by the mem_comm_pool mutex */ +#endif +}; + +#define MEM_BLOCK_MAGIC_N 764741555 +#define MEM_FREED_BLOCK_MAGIC_N 547711122 + +/* Header size for a memory heap block */ +#define MEM_BLOCK_HEADER_SIZE ut_calc_align(sizeof(mem_block_info_t),\ + UNIV_MEM_ALIGNMENT) +#include "mem0dbg.h" + +#ifndef UNIV_NONINL +#include "mem0mem.ic" +#endif + +#endif diff --git a/perfschema/include/mem0mem.ic b/perfschema/include/mem0mem.ic new file mode 100644 index 00000000000..cbce2edc661 --- /dev/null +++ b/perfschema/include/mem0mem.ic @@ -0,0 +1,640 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/mem0mem.ic +The memory management + +Created 6/8/1994 Heikki Tuuri +*************************************************************************/ + +#include "mem0dbg.ic" +#ifndef UNIV_HOTBACKUP +# include "mem0pool.h" +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +Creates a memory heap block where data can be allocated. +@return own: memory heap block, NULL if did not succeed (only possible +for MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INTERN +mem_block_t* +mem_heap_create_block( +/*==================*/ + mem_heap_t* heap, /*!< in: memory heap or NULL if first block + should be created */ + ulint n, /*!< in: number of bytes needed for user data */ + ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or + MEM_HEAP_BUFFER */ + const char* file_name,/*!< in: file name where created */ + ulint line); /*!< in: line where created */ +/******************************************************************//** +Frees a block from a memory heap. */ +UNIV_INTERN +void +mem_heap_block_free( +/*================*/ + mem_heap_t* heap, /*!< in: heap */ + mem_block_t* block); /*!< in: block to free */ +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Frees the free_block field from a memory heap. */ +UNIV_INTERN +void +mem_heap_free_block_free( +/*=====================*/ + mem_heap_t* heap); /*!< in: heap */ +#endif /* !UNIV_HOTBACKUP */ +/***************************************************************//** +Adds a new block to a memory heap. +@return created block, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INTERN +mem_block_t* +mem_heap_add_block( +/*===============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n); /*!< in: number of bytes user needs */ + +UNIV_INLINE +void +mem_block_set_len(mem_block_t* block, ulint len) +{ + ut_ad(len > 0); + + block->len = len; +} + +UNIV_INLINE +ulint +mem_block_get_len(mem_block_t* block) +{ + return(block->len); +} + +UNIV_INLINE +void +mem_block_set_type(mem_block_t* block, ulint type) +{ + ut_ad((type == MEM_HEAP_DYNAMIC) || (type == MEM_HEAP_BUFFER) + || (type == MEM_HEAP_BUFFER + MEM_HEAP_BTR_SEARCH)); + + block->type = type; +} + +UNIV_INLINE +ulint +mem_block_get_type(mem_block_t* block) +{ + return(block->type); +} + +UNIV_INLINE +void +mem_block_set_free(mem_block_t* block, ulint free) +{ + ut_ad(free > 0); + ut_ad(free <= mem_block_get_len(block)); + + block->free = free; +} + +UNIV_INLINE +ulint +mem_block_get_free(mem_block_t* block) +{ + return(block->free); +} + +UNIV_INLINE +void +mem_block_set_start(mem_block_t* block, ulint start) +{ + ut_ad(start > 0); + + block->start = start; +} + +UNIV_INLINE +ulint +mem_block_get_start(mem_block_t* block) +{ + return(block->start); +} + +/***************************************************************//** +Allocates and zero-fills n bytes of memory from a memory heap. +@return allocated, zero-filled storage */ +UNIV_INLINE +void* +mem_heap_zalloc( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes; if the heap is allowed + to grow into the buffer pool, this must be + <= MEM_MAX_ALLOC_IN_BUF */ +{ + ut_ad(heap); + ut_ad(!(heap->type & MEM_HEAP_BTR_SEARCH)); + return(memset(mem_heap_alloc(heap, n), 0, n)); +} + +/***************************************************************//** +Allocates n bytes of memory from a memory heap. +@return allocated storage, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INLINE +void* +mem_heap_alloc( +/*===========*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes; if the heap is allowed + to grow into the buffer pool, this must be + <= MEM_MAX_ALLOC_IN_BUF */ +{ + mem_block_t* block; + void* buf; + ulint free; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + + ut_ad(!(block->type & MEM_HEAP_BUFFER) || (n <= MEM_MAX_ALLOC_IN_BUF)); + + /* Check if there is enough space in block. If not, create a new + block to the heap */ + + if (mem_block_get_len(block) + < mem_block_get_free(block) + MEM_SPACE_NEEDED(n)) { + + block = mem_heap_add_block(heap, n); + + if (block == NULL) { + + return(NULL); + } + } + + free = mem_block_get_free(block); + + buf = (byte*)block + free; + + mem_block_set_free(block, free + MEM_SPACE_NEEDED(n)); + +#ifdef UNIV_MEM_DEBUG + UNIV_MEM_ALLOC(buf, + n + MEM_FIELD_HEADER_SIZE + MEM_FIELD_TRAILER_SIZE); + + /* In the debug version write debugging info to the field */ + mem_field_init((byte*)buf, n); + + /* Advance buf to point at the storage which will be given to the + caller */ + buf = (byte*)buf + MEM_FIELD_HEADER_SIZE; + +#endif +#ifdef UNIV_SET_MEM_TO_ZERO + UNIV_MEM_ALLOC(buf, n); + memset(buf, '\0', n); +#endif + UNIV_MEM_ALLOC(buf, n); + return(buf); +} + +/*****************************************************************//** +Returns a pointer to the heap top. +@return pointer to the heap top */ +UNIV_INLINE +byte* +mem_heap_get_heap_top( +/*==================*/ + mem_heap_t* heap) /*!< in: memory heap */ +{ + mem_block_t* block; + byte* buf; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + + buf = (byte*)block + mem_block_get_free(block); + + return(buf); +} + +/*****************************************************************//** +Frees the space in a memory heap exceeding the pointer given. The +pointer must have been acquired from mem_heap_get_heap_top. The first +memory block of the heap is not freed. */ +UNIV_INLINE +void +mem_heap_free_heap_top( +/*===================*/ + mem_heap_t* heap, /*!< in: heap from which to free */ + byte* old_top)/*!< in: pointer to old top of heap */ +{ + mem_block_t* block; + mem_block_t* prev_block; +#ifdef UNIV_MEM_DEBUG + ibool error; + ulint total_size; + ulint size; +#endif + + ut_ad(mem_heap_check(heap)); + +#ifdef UNIV_MEM_DEBUG + + /* Validate the heap and get its total allocated size */ + mem_heap_validate_or_print(heap, NULL, FALSE, &error, &total_size, + NULL, NULL); + ut_a(!error); + + /* Get the size below top pointer */ + mem_heap_validate_or_print(heap, old_top, FALSE, &error, &size, NULL, + NULL); + ut_a(!error); + +#endif + + block = UT_LIST_GET_LAST(heap->base); + + while (block != NULL) { + if (((byte*)block + mem_block_get_free(block) >= old_top) + && ((byte*)block <= old_top)) { + /* Found the right block */ + + break; + } + + /* Store prev_block value before freeing the current block + (the current block will be erased in freeing) */ + + prev_block = UT_LIST_GET_PREV(list, block); + + mem_heap_block_free(heap, block); + + block = prev_block; + } + + ut_ad(block); + + /* Set the free field of block */ + mem_block_set_free(block, old_top - (byte*)block); + +#ifdef UNIV_MEM_DEBUG + ut_ad(mem_block_get_start(block) <= mem_block_get_free(block)); + + /* In the debug version erase block from top up */ + mem_erase_buf(old_top, (byte*)block + block->len - old_top); + + /* Update allocated memory count */ + mutex_enter(&mem_hash_mutex); + mem_current_allocated_memory -= (total_size - size); + mutex_exit(&mem_hash_mutex); +#else /* UNIV_MEM_DEBUG */ + UNIV_MEM_ASSERT_W(old_top, (byte*)block + block->len - old_top); +#endif /* UNIV_MEM_DEBUG */ + UNIV_MEM_ALLOC(old_top, (byte*)block + block->len - old_top); + + /* If free == start, we may free the block if it is not the first + one */ + + if ((heap != block) && (mem_block_get_free(block) + == mem_block_get_start(block))) { + mem_heap_block_free(heap, block); + } +} + +/*****************************************************************//** +Empties a memory heap. The first memory block of the heap is not freed. */ +UNIV_INLINE +void +mem_heap_empty( +/*===========*/ + mem_heap_t* heap) /*!< in: heap to empty */ +{ + mem_heap_free_heap_top(heap, (byte*)heap + mem_block_get_start(heap)); +#ifndef UNIV_HOTBACKUP + if (heap->free_block) { + mem_heap_free_block_free(heap); + } +#endif /* !UNIV_HOTBACKUP */ +} + +/*****************************************************************//** +Returns a pointer to the topmost element in a memory heap. The size of the +element must be given. +@return pointer to the topmost element */ +UNIV_INLINE +void* +mem_heap_get_top( +/*=============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: size of the topmost element */ +{ + mem_block_t* block; + void* buf; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + + buf = (byte*)block + mem_block_get_free(block) - MEM_SPACE_NEEDED(n); + +#ifdef UNIV_MEM_DEBUG + ut_ad(mem_block_get_start(block) <=(ulint)((byte*)buf - (byte*)block)); + + /* In the debug version, advance buf to point at the storage which + was given to the caller in the allocation*/ + + buf = (byte*)buf + MEM_FIELD_HEADER_SIZE; + + /* Check that the field lengths agree */ + ut_ad(n == (ulint)mem_field_header_get_len(buf)); +#endif + + return(buf); +} + +/*****************************************************************//** +Frees the topmost element in a memory heap. The size of the element must be +given. */ +UNIV_INLINE +void +mem_heap_free_top( +/*==============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: size of the topmost element */ +{ + mem_block_t* block; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + + /* Subtract the free field of block */ + mem_block_set_free(block, mem_block_get_free(block) + - MEM_SPACE_NEEDED(n)); + UNIV_MEM_ASSERT_W((byte*) block + mem_block_get_free(block), n); +#ifdef UNIV_MEM_DEBUG + + ut_ad(mem_block_get_start(block) <= mem_block_get_free(block)); + + /* In the debug version check the consistency, and erase field */ + mem_field_erase((byte*)block + mem_block_get_free(block), n); +#endif + + /* If free == start, we may free the block if it is not the first + one */ + + if ((heap != block) && (mem_block_get_free(block) + == mem_block_get_start(block))) { + mem_heap_block_free(heap, block); + } else { + /* Avoid a bogus UNIV_MEM_ASSERT_W() warning in a + subsequent invocation of mem_heap_free_top(). + Originally, this was UNIV_MEM_FREE(), to catch writes + to freed memory. */ + UNIV_MEM_ALLOC((byte*) block + mem_block_get_free(block), n); + } +} + +/*****************************************************************//** +NOTE: Use the corresponding macros instead of this function. Creates a +memory heap. For debugging purposes, takes also the file name and line as +argument. +@return own: memory heap, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INLINE +mem_heap_t* +mem_heap_create_func( +/*=================*/ + ulint n, /*!< in: desired start block size, + this means that a single user buffer + of size n will fit in the block, + 0 creates a default size block */ + ulint type, /*!< in: heap type */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ +{ + mem_block_t* block; + + if (!n) { + n = MEM_BLOCK_START_SIZE; + } + + block = mem_heap_create_block(NULL, n, type, file_name, line); + + if (block == NULL) { + + return(NULL); + } + + UT_LIST_INIT(block->base); + + /* Add the created block itself as the first block in the list */ + UT_LIST_ADD_FIRST(list, block->base, block); + +#ifdef UNIV_MEM_DEBUG + + mem_hash_insert(block, file_name, line); + +#endif + + return(block); +} + +/*****************************************************************//** +NOTE: Use the corresponding macro instead of this function. Frees the space +occupied by a memory heap. In the debug version erases the heap memory +blocks. */ +UNIV_INLINE +void +mem_heap_free_func( +/*===============*/ + mem_heap_t* heap, /*!< in, own: heap to be freed */ + const char* file_name __attribute__((unused)), + /*!< in: file name where freed */ + ulint line __attribute__((unused))) +{ + mem_block_t* block; + mem_block_t* prev_block; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + +#ifdef UNIV_MEM_DEBUG + + /* In the debug version remove the heap from the hash table of heaps + and check its consistency */ + + mem_hash_remove(heap, file_name, line); + +#endif +#ifndef UNIV_HOTBACKUP + if (heap->free_block) { + mem_heap_free_block_free(heap); + } +#endif /* !UNIV_HOTBACKUP */ + + while (block != NULL) { + /* Store the contents of info before freeing current block + (it is erased in freeing) */ + + prev_block = UT_LIST_GET_PREV(list, block); + + mem_heap_block_free(heap, block); + + block = prev_block; + } +} + +/***************************************************************//** +NOTE: Use the corresponding macro instead of this function. +Allocates a single buffer of memory from the dynamic memory of +the C compiler. Is like malloc of C. The buffer must be freed +with mem_free. +@return own: free storage */ +UNIV_INLINE +void* +mem_alloc_func( +/*===========*/ + ulint n, /*!< in: desired number of bytes */ + ulint* size, /*!< out: allocated size in bytes, + or NULL */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ +{ + mem_heap_t* heap; + void* buf; + + heap = mem_heap_create_func(n, MEM_HEAP_DYNAMIC, file_name, line); + + /* Note that as we created the first block in the heap big enough + for the buffer requested by the caller, the buffer will be in the + first block and thus we can calculate the pointer to the heap from + the pointer to the buffer when we free the memory buffer. */ + + if (UNIV_LIKELY_NULL(size)) { + /* Adjust the allocation to the actual size of the + memory block. */ + ulint m = mem_block_get_len(heap) + - mem_block_get_free(heap); +#ifdef UNIV_MEM_DEBUG + m -= MEM_FIELD_HEADER_SIZE + MEM_FIELD_TRAILER_SIZE; +#endif /* UNIV_MEM_DEBUG */ + ut_ad(m >= n); + *size = n = m; + } + + buf = mem_heap_alloc(heap, n); + + ut_a((byte*)heap == (byte*)buf - MEM_BLOCK_HEADER_SIZE + - MEM_FIELD_HEADER_SIZE); + return(buf); +} + +/***************************************************************//** +NOTE: Use the corresponding macro instead of this function. Frees a single +buffer of storage from the dynamic memory of the C compiler. Similar to the +free of C. */ +UNIV_INLINE +void +mem_free_func( +/*==========*/ + void* ptr, /*!< in, own: buffer to be freed */ + const char* file_name, /*!< in: file name where created */ + ulint line) /*!< in: line where created */ +{ + mem_heap_t* heap; + + heap = (mem_heap_t*)((byte*)ptr - MEM_BLOCK_HEADER_SIZE + - MEM_FIELD_HEADER_SIZE); + mem_heap_free_func(heap, file_name, line); +} + +/*****************************************************************//** +Returns the space in bytes occupied by a memory heap. */ +UNIV_INLINE +ulint +mem_heap_get_size( +/*==============*/ + mem_heap_t* heap) /*!< in: heap */ +{ + ulint size = 0; + + ut_ad(mem_heap_check(heap)); + + size = heap->total_size; + +#ifndef UNIV_HOTBACKUP + if (heap->free_block) { + size += UNIV_PAGE_SIZE; + } +#endif /* !UNIV_HOTBACKUP */ + + return(size); +} + +/**********************************************************************//** +Duplicates a NUL-terminated string. +@return own: a copy of the string, must be deallocated with mem_free */ +UNIV_INLINE +char* +mem_strdup( +/*=======*/ + const char* str) /*!< in: string to be copied */ +{ + ulint len = strlen(str) + 1; + return((char*) memcpy(mem_alloc(len), str, len)); +} + +/**********************************************************************//** +Makes a NUL-terminated copy of a nonterminated string. +@return own: a copy of the string, must be deallocated with mem_free */ +UNIV_INLINE +char* +mem_strdupl( +/*========*/ + const char* str, /*!< in: string to be copied */ + ulint len) /*!< in: length of str, in bytes */ +{ + char* s = (char*) mem_alloc(len + 1); + s[len] = 0; + return((char*) memcpy(s, str, len)); +} + +/**********************************************************************//** +Makes a NUL-terminated copy of a nonterminated string, +allocated from a memory heap. +@return own: a copy of the string */ +UNIV_INLINE +char* +mem_heap_strdupl( +/*=============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str, /*!< in: string to be copied */ + ulint len) /*!< in: length of str, in bytes */ +{ + char* s = (char*) mem_heap_alloc(heap, len + 1); + s[len] = 0; + return((char*) memcpy(s, str, len)); +} diff --git a/perfschema/include/mem0pool.h b/perfschema/include/mem0pool.h new file mode 100644 index 00000000000..5e93bf88a47 --- /dev/null +++ b/perfschema/include/mem0pool.h @@ -0,0 +1,136 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mem0pool.h +The lowest-level memory management + +Created 6/9/1994 Heikki Tuuri +*******************************************************/ + +#ifndef mem0pool_h +#define mem0pool_h + +#include "univ.i" +#include "os0file.h" +#include "ut0lst.h" + +/** Memory area header */ +typedef struct mem_area_struct mem_area_t; +/** Memory pool */ +typedef struct mem_pool_struct mem_pool_t; + +/** The common memory pool */ +extern mem_pool_t* mem_comm_pool; + +/** Memory area header */ + +struct mem_area_struct{ + ulint size_and_free; /*!< memory area size is obtained by + anding with ~MEM_AREA_FREE; area in + a free list if ANDing with + MEM_AREA_FREE results in nonzero */ + UT_LIST_NODE_T(mem_area_t) + free_list; /*!< free list node */ +}; + +/** Each memory area takes this many extra bytes for control information */ +#define MEM_AREA_EXTRA_SIZE (ut_calc_align(sizeof(struct mem_area_struct),\ + UNIV_MEM_ALIGNMENT)) + +/********************************************************************//** +Creates a memory pool. +@return memory pool */ +UNIV_INTERN +mem_pool_t* +mem_pool_create( +/*============*/ + ulint size); /*!< in: pool size in bytes */ +/********************************************************************//** +Frees a memory pool. */ +UNIV_INTERN +void +mem_pool_free( +/*==========*/ + mem_pool_t* pool); /*!< in, own: memory pool */ +/********************************************************************//** +Allocates memory from a pool. NOTE: This low-level function should only be +used in mem0mem.*! +@return own: allocated memory buffer */ +UNIV_INTERN +void* +mem_area_alloc( +/*===========*/ + ulint* psize, /*!< in: requested size in bytes; for optimum + space usage, the size should be a power of 2 + minus MEM_AREA_EXTRA_SIZE; + out: allocated size in bytes (greater than + or equal to the requested size) */ + mem_pool_t* pool); /*!< in: memory pool */ +/********************************************************************//** +Frees memory to a pool. */ +UNIV_INTERN +void +mem_area_free( +/*==========*/ + void* ptr, /*!< in, own: pointer to allocated memory + buffer */ + mem_pool_t* pool); /*!< in: memory pool */ +/********************************************************************//** +Returns the amount of reserved memory. +@return reserved mmeory in bytes */ +UNIV_INTERN +ulint +mem_pool_get_reserved( +/*==================*/ + mem_pool_t* pool); /*!< in: memory pool */ +/********************************************************************//** +Reserves the mem pool mutex. */ +UNIV_INTERN +void +mem_pool_mutex_enter(void); +/*======================*/ +/********************************************************************//** +Releases the mem pool mutex. */ +UNIV_INTERN +void +mem_pool_mutex_exit(void); +/*=====================*/ +/********************************************************************//** +Validates a memory pool. +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_pool_validate( +/*==============*/ + mem_pool_t* pool); /*!< in: memory pool */ +/********************************************************************//** +Prints info of a memory pool. */ +UNIV_INTERN +void +mem_pool_print_info( +/*================*/ + FILE* outfile,/*!< in: output file to write to */ + mem_pool_t* pool); /*!< in: memory pool */ + + +#ifndef UNIV_NONINL +#include "mem0pool.ic" +#endif + +#endif diff --git a/perfschema/include/mem0pool.ic b/perfschema/include/mem0pool.ic new file mode 100644 index 00000000000..b891dd6dea0 --- /dev/null +++ b/perfschema/include/mem0pool.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/mem0pool.ic +The lowest-level memory management + +Created 6/8/1994 Heikki Tuuri +*************************************************************************/ diff --git a/perfschema/include/mtr0log.h b/perfschema/include/mtr0log.h new file mode 100644 index 00000000000..6322af2a569 --- /dev/null +++ b/perfschema/include/mtr0log.h @@ -0,0 +1,250 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mtr0log.h +Mini-transaction logging routines + +Created 12/7/1995 Heikki Tuuri +*******************************************************/ + +#ifndef mtr0log_h +#define mtr0log_h + +#include "univ.i" +#include "mtr0mtr.h" +#include "dict0types.h" + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Writes 1 - 4 bytes to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_ulint( +/*=============*/ + byte* ptr, /*!< in: pointer where to write */ + ulint val, /*!< in: value to write */ + byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Writes 8 bytes to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_dulint( +/*==============*/ + byte* ptr, /*!< in: pointer where to write */ + dulint val, /*!< in: value to write */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Writes a string to a file page buffered in the buffer pool. Writes the +corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_string( +/*==============*/ + byte* ptr, /*!< in: pointer where to write */ + const byte* str, /*!< in: string to write */ + ulint len, /*!< in: string length */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Logs a write of a string to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_log_string( +/*============*/ + byte* ptr, /*!< in: pointer written to */ + ulint len, /*!< in: string length */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Writes initial part of a log record consisting of one-byte item +type and four-byte space and page numbers. */ +UNIV_INTERN +void +mlog_write_initial_log_record( +/*==========================*/ + const byte* ptr, /*!< in: pointer to (inside) a buffer + frame holding the file page where + modification is made */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Writes a log record about an .ibd file create/delete/rename. +@return new value of log_ptr */ +UNIV_INLINE +byte* +mlog_write_initial_log_record_for_file_op( +/*======================================*/ + ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or + MLOG_FILE_RENAME */ + ulint space_id,/*!< in: space id, if applicable */ + ulint page_no,/*!< in: page number (not relevant currently) */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ + mtr_t* mtr); /*!< in: mtr */ +/********************************************************//** +Catenates 1 - 4 bytes to the mtr log. */ +UNIV_INLINE +void +mlog_catenate_ulint( +/*================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint val, /*!< in: value to write */ + ulint type); /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ +/********************************************************//** +Catenates n bytes to the mtr log. */ +UNIV_INTERN +void +mlog_catenate_string( +/*=================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* str, /*!< in: string to write */ + ulint len); /*!< in: string length */ +/********************************************************//** +Catenates a compressed ulint to mlog. */ +UNIV_INLINE +void +mlog_catenate_ulint_compressed( +/*===========================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint val); /*!< in: value to write */ +/********************************************************//** +Catenates a compressed dulint to mlog. */ +UNIV_INLINE +void +mlog_catenate_dulint_compressed( +/*============================*/ + mtr_t* mtr, /*!< in: mtr */ + dulint val); /*!< in: value to write */ +/********************************************************//** +Opens a buffer to mlog. It must be closed with mlog_close. +@return buffer, NULL if log mode MTR_LOG_NONE */ +UNIV_INLINE +byte* +mlog_open( +/*======*/ + mtr_t* mtr, /*!< in: mtr */ + ulint size); /*!< in: buffer size in bytes; MUST be + smaller than DYN_ARRAY_DATA_SIZE! */ +/********************************************************//** +Closes a buffer opened to mlog. */ +UNIV_INLINE +void +mlog_close( +/*=======*/ + mtr_t* mtr, /*!< in: mtr */ + byte* ptr); /*!< in: buffer space from ptr up was not used */ +/********************************************************//** +Writes the initial part of a log record (3..11 bytes). +If the implementation of this function is changed, all +size parameters to mlog_open() should be adjusted accordingly! +@return new value of log_ptr */ +UNIV_INLINE +byte* +mlog_write_initial_log_record_fast( +/*===============================*/ + const byte* ptr, /*!< in: pointer to (inside) a buffer + frame holding the file page where + modification is made */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + byte* log_ptr,/*!< in: pointer to mtr log which has + been opened */ + mtr_t* mtr); /*!< in: mtr */ +#else /* !UNIV_HOTBACKUP */ +# define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) +# define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((byte *) 0) +#endif /* !UNIV_HOTBACKUP */ +/********************************************************//** +Parses an initial log record written by mlog_write_initial_log_record. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_initial_log_record( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ + ulint* space, /*!< out: space id */ + ulint* page_no);/*!< out: page number */ +/********************************************************//** +Parses a log record written by mlog_write_ulint or mlog_write_dulint. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_nbytes( +/*==============*/ + ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip);/*!< in/out: compressed page, or NULL */ +/********************************************************//** +Parses a log record written by mlog_write_string. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_string( +/*==============*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip);/*!< in/out: compressed page, or NULL */ + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Opens a buffer for mlog, writes the initial log record and, +if needed, the field lengths of an index. Reserves space +for further log entries. The log entry must be closed with +mtr_close(). +@return buffer, NULL if log mode MTR_LOG_NONE */ +UNIV_INTERN +byte* +mlog_open_and_write_index( +/*======================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* rec, /*!< in: index record or page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: log item type */ + ulint size); /*!< in: requested buffer size in bytes + (if 0, calls mlog_close() and returns NULL) */ +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Parses a log record written by mlog_open_and_write_index. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_index( +/*=============*/ + byte* ptr, /*!< in: buffer */ + const byte* end_ptr,/*!< in: buffer end */ + ibool comp, /*!< in: TRUE=compact record format */ + dict_index_t** index); /*!< out, own: dummy index */ + +#ifndef UNIV_HOTBACKUP +/* Insert, update, and maybe other functions may use this value to define an +extra mlog buffer size for variable size data */ +#define MLOG_BUF_MARGIN 256 +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "mtr0log.ic" +#endif + +#endif diff --git a/perfschema/include/mtr0log.ic b/perfschema/include/mtr0log.ic new file mode 100644 index 00000000000..5c24c38b337 --- /dev/null +++ b/perfschema/include/mtr0log.ic @@ -0,0 +1,274 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mtr0log.ic +Mini-transaction logging routines + +Created 12/7/1995 Heikki Tuuri +*******************************************************/ + +#include "mach0data.h" +#include "ut0lst.h" +#include "buf0buf.h" +#include "fsp0types.h" +#include "trx0sys.h" + +/********************************************************//** +Opens a buffer to mlog. It must be closed with mlog_close. +@return buffer, NULL if log mode MTR_LOG_NONE */ +UNIV_INLINE +byte* +mlog_open( +/*======*/ + mtr_t* mtr, /*!< in: mtr */ + ulint size) /*!< in: buffer size in bytes; MUST be + smaller than DYN_ARRAY_DATA_SIZE! */ +{ + dyn_array_t* mlog; + + mtr->modifications = TRUE; + + if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { + + return(NULL); + } + + mlog = &(mtr->log); + + return(dyn_array_open(mlog, size)); +} + +/********************************************************//** +Closes a buffer opened to mlog. */ +UNIV_INLINE +void +mlog_close( +/*=======*/ + mtr_t* mtr, /*!< in: mtr */ + byte* ptr) /*!< in: buffer space from ptr up was not used */ +{ + dyn_array_t* mlog; + + ut_ad(mtr_get_log_mode(mtr) != MTR_LOG_NONE); + + mlog = &(mtr->log); + + dyn_array_close(mlog, ptr); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Catenates 1 - 4 bytes to the mtr log. The value is not compressed. */ +UNIV_INLINE +void +mlog_catenate_ulint( +/*================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint val, /*!< in: value to write */ + ulint type) /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ +{ + dyn_array_t* mlog; + byte* ptr; + + if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { + + return; + } + + mlog = &(mtr->log); + +#if MLOG_1BYTE != 1 +# error "MLOG_1BYTE != 1" +#endif +#if MLOG_2BYTES != 2 +# error "MLOG_2BYTES != 2" +#endif +#if MLOG_4BYTES != 4 +# error "MLOG_4BYTES != 4" +#endif +#if MLOG_8BYTES != 8 +# error "MLOG_8BYTES != 8" +#endif + ptr = (byte*) dyn_array_push(mlog, type); + + if (type == MLOG_4BYTES) { + mach_write_to_4(ptr, val); + } else if (type == MLOG_2BYTES) { + mach_write_to_2(ptr, val); + } else { + ut_ad(type == MLOG_1BYTE); + mach_write_to_1(ptr, val); + } +} + +/********************************************************//** +Catenates a compressed ulint to mlog. */ +UNIV_INLINE +void +mlog_catenate_ulint_compressed( +/*===========================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint val) /*!< in: value to write */ +{ + byte* log_ptr; + + log_ptr = mlog_open(mtr, 10); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr += mach_write_compressed(log_ptr, val); + + mlog_close(mtr, log_ptr); +} + +/********************************************************//** +Catenates a compressed dulint to mlog. */ +UNIV_INLINE +void +mlog_catenate_dulint_compressed( +/*============================*/ + mtr_t* mtr, /*!< in: mtr */ + dulint val) /*!< in: value to write */ +{ + byte* log_ptr; + + log_ptr = mlog_open(mtr, 15); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr += mach_dulint_write_compressed(log_ptr, val); + + mlog_close(mtr, log_ptr); +} + +/********************************************************//** +Writes the initial part of a log record (3..11 bytes). +If the implementation of this function is changed, all +size parameters to mlog_open() should be adjusted accordingly! +@return new value of log_ptr */ +UNIV_INLINE +byte* +mlog_write_initial_log_record_fast( +/*===============================*/ + const byte* ptr, /*!< in: pointer to (inside) a buffer + frame holding the file page where + modification is made */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + byte* log_ptr,/*!< in: pointer to mtr log which has + been opened */ + mtr_t* mtr) /*!< in: mtr */ +{ +#ifdef UNIV_DEBUG + buf_block_t* block; +#endif + const byte* page; + ulint space; + ulint offset; + + ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); + ut_ad(type <= MLOG_BIGGEST_TYPE); + ut_ad(ptr && log_ptr); + + page = (const byte*) ut_align_down(ptr, UNIV_PAGE_SIZE); + space = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + offset = mach_read_from_4(page + FIL_PAGE_OFFSET); + + /* check whether the page is in the doublewrite buffer; + the doublewrite buffer is located in pages + FSP_EXTENT_SIZE, ..., 3 * FSP_EXTENT_SIZE - 1 in the + system tablespace */ + if (space == TRX_SYS_SPACE + && offset >= FSP_EXTENT_SIZE && offset < 3 * FSP_EXTENT_SIZE) { + if (trx_doublewrite_buf_is_being_created) { + /* Do nothing: we only come to this branch in an + InnoDB database creation. We do not redo log + anything for the doublewrite buffer pages. */ + return(log_ptr); + } else { + fprintf(stderr, + "Error: trying to redo log a record of type " + "%d on page %lu of space %lu in the " + "doublewrite buffer, continuing anyway.\n" + "Please post a bug report to " + "bugs.mysql.com.\n", + type, offset, space); + } + } + + mach_write_to_1(log_ptr, type); + log_ptr++; + log_ptr += mach_write_compressed(log_ptr, space); + log_ptr += mach_write_compressed(log_ptr, offset); + + mtr->n_log_recs++; + +#ifdef UNIV_LOG_DEBUG + fprintf(stderr, + "Adding to mtr log record type %lu space %lu page no %lu\n", + (ulong) type, space, offset); +#endif + +#ifdef UNIV_DEBUG + /* We now assume that all x-latched pages have been modified! */ + block = (buf_block_t*) buf_block_align(ptr); + + if (!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)) { + + mtr_memo_push(mtr, block, MTR_MEMO_MODIFY); + } +#endif + return(log_ptr); +} + +/********************************************************//** +Writes a log record about an .ibd file create/delete/rename. +@return new value of log_ptr */ +UNIV_INLINE +byte* +mlog_write_initial_log_record_for_file_op( +/*======================================*/ + ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or + MLOG_FILE_RENAME */ + ulint space_id,/*!< in: space id, if applicable */ + ulint page_no,/*!< in: page number (not relevant currently) */ + byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(log_ptr); + + mach_write_to_1(log_ptr, type); + log_ptr++; + + /* We write dummy space id and page number */ + log_ptr += mach_write_compressed(log_ptr, space_id); + log_ptr += mach_write_compressed(log_ptr, page_no); + + mtr->n_log_recs++; + + return(log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mtr0mtr.h b/perfschema/include/mtr0mtr.h new file mode 100644 index 00000000000..bc3f1951be9 --- /dev/null +++ b/perfschema/include/mtr0mtr.h @@ -0,0 +1,419 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mtr0mtr.h +Mini-transaction buffer + +Created 11/26/1995 Heikki Tuuri +*******************************************************/ + +#ifndef mtr0mtr_h +#define mtr0mtr_h + +#include "univ.i" +#include "mem0mem.h" +#include "dyn0dyn.h" +#include "buf0types.h" +#include "sync0rw.h" +#include "ut0byte.h" +#include "mtr0types.h" +#include "page0types.h" + +/* Logging modes for a mini-transaction */ +#define MTR_LOG_ALL 21 /* default mode: log all operations + modifying disk-based data */ +#define MTR_LOG_NONE 22 /* log no operations */ +/*#define MTR_LOG_SPACE 23 */ /* log only operations modifying + file space page allocation data + (operations in fsp0fsp.* ) */ +#define MTR_LOG_SHORT_INSERTS 24 /* inserts are logged in a shorter + form */ + +/* Types for the mlock objects to store in the mtr memo; NOTE that the +first 3 values must be RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ +#define MTR_MEMO_PAGE_S_FIX RW_S_LATCH +#define MTR_MEMO_PAGE_X_FIX RW_X_LATCH +#define MTR_MEMO_BUF_FIX RW_NO_LATCH +#define MTR_MEMO_MODIFY 54 +#define MTR_MEMO_S_LOCK 55 +#define MTR_MEMO_X_LOCK 56 + +/** @name Log item types +The log items are declared 'byte' so that the compiler can warn if val +and type parameters are switched in a call to mlog_write_ulint. NOTE! +For 1 - 8 bytes, the flag value must give the length also! @{ */ +#define MLOG_SINGLE_REC_FLAG 128 /*!< if the mtr contains only + one log record for one page, + i.e., write_initial_log_record + has been called only once, + this flag is ORed to the type + of that first log record */ +#define MLOG_1BYTE (1) /*!< one byte is written */ +#define MLOG_2BYTES (2) /*!< 2 bytes ... */ +#define MLOG_4BYTES (4) /*!< 4 bytes ... */ +#define MLOG_8BYTES (8) /*!< 8 bytes ... */ +#define MLOG_REC_INSERT ((byte)9) /*!< record insert */ +#define MLOG_REC_CLUST_DELETE_MARK ((byte)10) /*!< mark clustered index record + deleted */ +#define MLOG_REC_SEC_DELETE_MARK ((byte)11) /*!< mark secondary index record + deleted */ +#define MLOG_REC_UPDATE_IN_PLACE ((byte)13) /*!< update of a record, + preserves record field sizes */ +#define MLOG_REC_DELETE ((byte)14) /*!< delete a record from a + page */ +#define MLOG_LIST_END_DELETE ((byte)15) /*!< delete record list end on + index page */ +#define MLOG_LIST_START_DELETE ((byte)16) /*!< delete record list start on + index page */ +#define MLOG_LIST_END_COPY_CREATED ((byte)17) /*!< copy record list end to a + new created index page */ +#define MLOG_PAGE_REORGANIZE ((byte)18) /*!< reorganize an + index page in + ROW_FORMAT=REDUNDANT */ +#define MLOG_PAGE_CREATE ((byte)19) /*!< create an index page */ +#define MLOG_UNDO_INSERT ((byte)20) /*!< insert entry in an undo + log */ +#define MLOG_UNDO_ERASE_END ((byte)21) /*!< erase an undo log + page end */ +#define MLOG_UNDO_INIT ((byte)22) /*!< initialize a page in an + undo log */ +#define MLOG_UNDO_HDR_DISCARD ((byte)23) /*!< discard an update undo log + header */ +#define MLOG_UNDO_HDR_REUSE ((byte)24) /*!< reuse an insert undo log + header */ +#define MLOG_UNDO_HDR_CREATE ((byte)25) /*!< create an undo + log header */ +#define MLOG_REC_MIN_MARK ((byte)26) /*!< mark an index + record as the + predefined minimum + record */ +#define MLOG_IBUF_BITMAP_INIT ((byte)27) /*!< initialize an + ibuf bitmap page */ +/*#define MLOG_FULL_PAGE ((byte)28) full contents of a page */ +#ifdef UNIV_LOG_LSN_DEBUG +# define MLOG_LSN ((byte)28) /* current LSN */ +#endif +#define MLOG_INIT_FILE_PAGE ((byte)29) /*!< this means that a + file page is taken + into use and the prior + contents of the page + should be ignored: in + recovery we must not + trust the lsn values + stored to the file + page */ +#define MLOG_WRITE_STRING ((byte)30) /*!< write a string to + a page */ +#define MLOG_MULTI_REC_END ((byte)31) /*!< if a single mtr writes + several log records, + this log record ends the + sequence of these records */ +#define MLOG_DUMMY_RECORD ((byte)32) /*!< dummy log record used to + pad a log block full */ +#define MLOG_FILE_CREATE ((byte)33) /*!< log record about an .ibd + file creation */ +#define MLOG_FILE_RENAME ((byte)34) /*!< log record about an .ibd + file rename */ +#define MLOG_FILE_DELETE ((byte)35) /*!< log record about an .ibd + file deletion */ +#define MLOG_COMP_REC_MIN_MARK ((byte)36) /*!< mark a compact + index record as the + predefined minimum + record */ +#define MLOG_COMP_PAGE_CREATE ((byte)37) /*!< create a compact + index page */ +#define MLOG_COMP_REC_INSERT ((byte)38) /*!< compact record insert */ +#define MLOG_COMP_REC_CLUST_DELETE_MARK ((byte)39) + /*!< mark compact + clustered index record + deleted */ +#define MLOG_COMP_REC_SEC_DELETE_MARK ((byte)40)/*!< mark compact + secondary index record + deleted; this log + record type is + redundant, as + MLOG_REC_SEC_DELETE_MARK + is independent of the + record format. */ +#define MLOG_COMP_REC_UPDATE_IN_PLACE ((byte)41)/*!< update of a + compact record, + preserves record field + sizes */ +#define MLOG_COMP_REC_DELETE ((byte)42) /*!< delete a compact record + from a page */ +#define MLOG_COMP_LIST_END_DELETE ((byte)43) /*!< delete compact record list + end on index page */ +#define MLOG_COMP_LIST_START_DELETE ((byte)44) /*!< delete compact record list + start on index page */ +#define MLOG_COMP_LIST_END_COPY_CREATED ((byte)45) + /*!< copy compact + record list end to a + new created index + page */ +#define MLOG_COMP_PAGE_REORGANIZE ((byte)46) /*!< reorganize an index page */ +#define MLOG_FILE_CREATE2 ((byte)47) /*!< log record about creating + an .ibd file, with format */ +#define MLOG_ZIP_WRITE_NODE_PTR ((byte)48) /*!< write the node pointer of + a record on a compressed + non-leaf B-tree page */ +#define MLOG_ZIP_WRITE_BLOB_PTR ((byte)49) /*!< write the BLOB pointer + of an externally stored column + on a compressed page */ +#define MLOG_ZIP_WRITE_HEADER ((byte)50) /*!< write to compressed page + header */ +#define MLOG_ZIP_PAGE_COMPRESS ((byte)51) /*!< compress an index page */ +#define MLOG_BIGGEST_TYPE ((byte)51) /*!< biggest value (used in + assertions) */ +/* @} */ + +/** @name Flags for MLOG_FILE operations +(stored in the page number parameter, called log_flags in the +functions). The page number parameter was originally written as 0. @{ */ +#define MLOG_FILE_FLAG_TEMP 1 /*!< identifies TEMPORARY TABLE in + MLOG_FILE_CREATE, MLOG_FILE_CREATE2 */ +/* @} */ + +/***************************************************************//** +Starts a mini-transaction and creates a mini-transaction handle +and buffer in the memory buffer given by the caller. +@return mtr buffer which also acts as the mtr handle */ +UNIV_INLINE +mtr_t* +mtr_start( +/*======*/ + mtr_t* mtr); /*!< in: memory buffer for the mtr buffer */ +/***************************************************************//** +Commits a mini-transaction. */ +UNIV_INTERN +void +mtr_commit( +/*=======*/ + mtr_t* mtr); /*!< in: mini-transaction */ +/**********************************************************//** +Sets and returns a savepoint in mtr. +@return savepoint */ +UNIV_INLINE +ulint +mtr_set_savepoint( +/*==============*/ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************//** +Releases the latches stored in an mtr memo down to a savepoint. +NOTE! The mtr must not have made changes to buffer pages after the +savepoint, as these can be handled only by mtr_commit. */ +UNIV_INTERN +void +mtr_rollback_to_savepoint( +/*======================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint); /*!< in: savepoint */ +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Releases the (index tree) s-latch stored in an mtr memo after a +savepoint. */ +UNIV_INLINE +void +mtr_release_s_latch_at_savepoint( +/*=============================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint, /*!< in: savepoint */ + rw_lock_t* lock); /*!< in: latch to release */ +#else /* !UNIV_HOTBACKUP */ +# define mtr_release_s_latch_at_savepoint(mtr,savepoint,lock) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ +/***************************************************************//** +Gets the logging mode of a mini-transaction. +@return logging mode: MTR_LOG_NONE, ... */ +UNIV_INLINE +ulint +mtr_get_log_mode( +/*=============*/ + mtr_t* mtr); /*!< in: mtr */ +/***************************************************************//** +Changes the logging mode of a mini-transaction. +@return old mode */ +UNIV_INLINE +ulint +mtr_set_log_mode( +/*=============*/ + mtr_t* mtr, /*!< in: mtr */ + ulint mode); /*!< in: logging mode: MTR_LOG_NONE, ... */ +/********************************************************//** +Reads 1 - 4 bytes from a file page buffered in the buffer pool. +@return value read */ +UNIV_INTERN +ulint +mtr_read_ulint( +/*===========*/ + const byte* ptr, /*!< in: pointer from where to read */ + ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +/********************************************************//** +Reads 8 bytes from a file page buffered in the buffer pool. +@return value read */ +UNIV_INTERN +dulint +mtr_read_dulint( +/*============*/ + const byte* ptr, /*!< in: pointer from where to read */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +This macro locks an rw-lock in s-mode. */ +#define mtr_s_lock(B, MTR) mtr_s_lock_func((B), __FILE__, __LINE__,\ + (MTR)) +/*********************************************************************//** +This macro locks an rw-lock in x-mode. */ +#define mtr_x_lock(B, MTR) mtr_x_lock_func((B), __FILE__, __LINE__,\ + (MTR)) +/*********************************************************************//** +NOTE! Use the macro above! +Locks a lock in s-mode. */ +UNIV_INLINE +void +mtr_s_lock_func( +/*============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************************//** +NOTE! Use the macro above! +Locks a lock in x-mode. */ +UNIV_INLINE +void +mtr_x_lock_func( +/*============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************//** +Releases an object in the memo stack. */ +UNIV_INTERN +void +mtr_memo_release( +/*=============*/ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ +#ifdef UNIV_DEBUG +# ifndef UNIV_HOTBACKUP +/**********************************************************//** +Checks if memo contains the given item. +@return TRUE if contains */ +UNIV_INLINE +ibool +mtr_memo_contains( +/*==============*/ + mtr_t* mtr, /*!< in: mtr */ + const void* object, /*!< in: object to search */ + ulint type); /*!< in: type of object */ + +/**********************************************************//** +Checks if memo contains the given page. +@return TRUE if contains */ +UNIV_INTERN +ibool +mtr_memo_contains_page( +/*===================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* ptr, /*!< in: pointer to buffer frame */ + ulint type); /*!< in: type of object */ +/*********************************************************//** +Prints info of an mtr handle. */ +UNIV_INTERN +void +mtr_print( +/*======*/ + mtr_t* mtr); /*!< in: mtr */ +# else /* !UNIV_HOTBACKUP */ +# define mtr_memo_contains(mtr, object, type) TRUE +# define mtr_memo_contains_page(mtr, ptr, type) TRUE +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ +/*######################################################################*/ + +#define MTR_BUF_MEMO_SIZE 200 /* number of slots in memo */ + +/***************************************************************//** +Returns the log object of a mini-transaction buffer. +@return log */ +UNIV_INLINE +dyn_array_t* +mtr_get_log( +/*========*/ + mtr_t* mtr); /*!< in: mini-transaction */ +/***************************************************//** +Pushes an object to an mtr memo stack. */ +UNIV_INLINE +void +mtr_memo_push( +/*==========*/ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ + + +/* Type definition of a mini-transaction memo stack slot. */ +typedef struct mtr_memo_slot_struct mtr_memo_slot_t; +struct mtr_memo_slot_struct{ + ulint type; /*!< type of the stored object (MTR_MEMO_S_LOCK, ...) */ + void* object; /*!< pointer to the object */ +}; + +/* Mini-transaction handle and buffer */ +struct mtr_struct{ +#ifdef UNIV_DEBUG + ulint state; /*!< MTR_ACTIVE, MTR_COMMITTING, MTR_COMMITTED */ +#endif + dyn_array_t memo; /*!< memo stack for locks etc. */ + dyn_array_t log; /*!< mini-transaction log */ + ibool modifications; + /* TRUE if the mtr made modifications to + buffer pool pages */ + ulint n_log_recs; + /* count of how many page initial log records + have been written to the mtr log */ + ulint log_mode; /* specifies which operations should be + logged; default value MTR_LOG_ALL */ + ib_uint64_t start_lsn;/* start lsn of the possible log entry for + this mtr */ + ib_uint64_t end_lsn;/* end lsn of the possible log entry for + this mtr */ +#ifdef UNIV_DEBUG + ulint magic_n; +#endif /* UNIV_DEBUG */ +}; + +#ifdef UNIV_DEBUG +# define MTR_MAGIC_N 54551 +#endif /* UNIV_DEBUG */ + +#define MTR_ACTIVE 12231 +#define MTR_COMMITTING 56456 +#define MTR_COMMITTED 34676 + +#ifndef UNIV_NONINL +#include "mtr0mtr.ic" +#endif + +#endif diff --git a/perfschema/include/mtr0mtr.ic b/perfschema/include/mtr0mtr.ic new file mode 100644 index 00000000000..eaf68e1b393 --- /dev/null +++ b/perfschema/include/mtr0mtr.ic @@ -0,0 +1,275 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mtr0mtr.ic +Mini-transaction buffer + +Created 11/26/1995 Heikki Tuuri +*******************************************************/ + +#ifndef UNIV_HOTBACKUP +# include "sync0sync.h" +# include "sync0rw.h" +#endif /* !UNIV_HOTBACKUP */ +#include "mach0data.h" + +/***************************************************************//** +Starts a mini-transaction and creates a mini-transaction handle +and a buffer in the memory buffer given by the caller. +@return mtr buffer which also acts as the mtr handle */ +UNIV_INLINE +mtr_t* +mtr_start( +/*======*/ + mtr_t* mtr) /*!< in: memory buffer for the mtr buffer */ +{ + dyn_array_create(&(mtr->memo)); + dyn_array_create(&(mtr->log)); + + mtr->log_mode = MTR_LOG_ALL; + mtr->modifications = FALSE; + mtr->n_log_recs = 0; + + ut_d(mtr->state = MTR_ACTIVE); + ut_d(mtr->magic_n = MTR_MAGIC_N); + + return(mtr); +} + +/***************************************************//** +Pushes an object to an mtr memo stack. */ +UNIV_INLINE +void +mtr_memo_push( +/*==========*/ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ +{ + dyn_array_t* memo; + mtr_memo_slot_t* slot; + + ut_ad(object); + ut_ad(type >= MTR_MEMO_PAGE_S_FIX); + ut_ad(type <= MTR_MEMO_X_LOCK); + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + + memo = &(mtr->memo); + + slot = (mtr_memo_slot_t*) dyn_array_push(memo, sizeof *slot); + + slot->object = object; + slot->type = type; +} + +/**********************************************************//** +Sets and returns a savepoint in mtr. +@return savepoint */ +UNIV_INLINE +ulint +mtr_set_savepoint( +/*==============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + dyn_array_t* memo; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + + memo = &(mtr->memo); + + return(dyn_array_get_data_size(memo)); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Releases the (index tree) s-latch stored in an mtr memo after a +savepoint. */ +UNIV_INLINE +void +mtr_release_s_latch_at_savepoint( +/*=============================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint, /*!< in: savepoint */ + rw_lock_t* lock) /*!< in: latch to release */ +{ + mtr_memo_slot_t* slot; + dyn_array_t* memo; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + + memo = &(mtr->memo); + + ut_ad(dyn_array_get_data_size(memo) > savepoint); + + slot = (mtr_memo_slot_t*) dyn_array_get_element(memo, savepoint); + + ut_ad(slot->object == lock); + ut_ad(slot->type == MTR_MEMO_S_LOCK); + + rw_lock_s_unlock(lock); + + slot->object = NULL; +} + +# ifdef UNIV_DEBUG +/**********************************************************//** +Checks if memo contains the given item. +@return TRUE if contains */ +UNIV_INLINE +ibool +mtr_memo_contains( +/*==============*/ + mtr_t* mtr, /*!< in: mtr */ + const void* object, /*!< in: object to search */ + ulint type) /*!< in: type of object */ +{ + mtr_memo_slot_t* slot; + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE || mtr->state == MTR_COMMITTING); + + memo = &(mtr->memo); + + offset = dyn_array_get_data_size(memo); + + while (offset > 0) { + offset -= sizeof(mtr_memo_slot_t); + + slot = dyn_array_get_element(memo, offset); + + if ((object == slot->object) && (type == slot->type)) { + + return(TRUE); + } + } + + return(FALSE); +} +# endif /* UNIV_DEBUG */ +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +Returns the log object of a mini-transaction buffer. +@return log */ +UNIV_INLINE +dyn_array_t* +mtr_get_log( +/*========*/ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + + return(&(mtr->log)); +} + +/***************************************************************//** +Gets the logging mode of a mini-transaction. +@return logging mode: MTR_LOG_NONE, ... */ +UNIV_INLINE +ulint +mtr_get_log_mode( +/*=============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mtr); + ut_ad(mtr->log_mode >= MTR_LOG_ALL); + ut_ad(mtr->log_mode <= MTR_LOG_SHORT_INSERTS); + + return(mtr->log_mode); +} + +/***************************************************************//** +Changes the logging mode of a mini-transaction. +@return old mode */ +UNIV_INLINE +ulint +mtr_set_log_mode( +/*=============*/ + mtr_t* mtr, /*!< in: mtr */ + ulint mode) /*!< in: logging mode: MTR_LOG_NONE, ... */ +{ + ulint old_mode; + + ut_ad(mtr); + ut_ad(mode >= MTR_LOG_ALL); + ut_ad(mode <= MTR_LOG_SHORT_INSERTS); + + old_mode = mtr->log_mode; + + if ((mode == MTR_LOG_SHORT_INSERTS) && (old_mode == MTR_LOG_NONE)) { + /* Do nothing */ + } else { + mtr->log_mode = mode; + } + + ut_ad(old_mode >= MTR_LOG_ALL); + ut_ad(old_mode <= MTR_LOG_SHORT_INSERTS); + + return(old_mode); +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Locks a lock in s-mode. */ +UNIV_INLINE +void +mtr_s_lock_func( +/*============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mtr); + ut_ad(lock); + + rw_lock_s_lock_func(lock, 0, file, line); + + mtr_memo_push(mtr, lock, MTR_MEMO_S_LOCK); +} + +/*********************************************************************//** +Locks a lock in x-mode. */ +UNIV_INLINE +void +mtr_x_lock_func( +/*============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line number */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mtr); + ut_ad(lock); + + rw_lock_x_lock_func(lock, 0, file, line); + + mtr_memo_push(mtr, lock, MTR_MEMO_X_LOCK); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mtr0types.h b/perfschema/include/mtr0types.h new file mode 100644 index 00000000000..83a7aaf3839 --- /dev/null +++ b/perfschema/include/mtr0types.h @@ -0,0 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mtr0types.h +Mini-transaction buffer global types + +Created 11/26/1995 Heikki Tuuri +*******************************************************/ + +#ifndef mtr0types_h +#define mtr0types_h + +typedef struct mtr_struct mtr_t; + +#endif diff --git a/perfschema/include/mysql_addons.h b/perfschema/include/mysql_addons.h new file mode 100644 index 00000000000..17660c18710 --- /dev/null +++ b/perfschema/include/mysql_addons.h @@ -0,0 +1,33 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/mysql_addons.h +This file contains functions that need to be added to +MySQL code but have not been added yet. + +Whenever you add a function here submit a MySQL bug +report (feature request) with the implementation. Then +write the bug number in the comment before the +function in this file. + +When MySQL commits the function it can be deleted from +here. In a perfect world this file exists but is empty. + +Created November 07, 2007 Vasil Dimov +*******************************************************/ diff --git a/perfschema/include/os0file.h b/perfschema/include/os0file.h new file mode 100644 index 00000000000..bb35362fc58 --- /dev/null +++ b/perfschema/include/os0file.h @@ -0,0 +1,811 @@ +/*********************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ + +/**************************************************//** +@file include/os0file.h +The interface to the operating system file io + +Created 10/21/1995 Heikki Tuuri +*******************************************************/ + +#ifndef os0file_h +#define os0file_h + +#include "univ.i" + +#ifndef __WIN__ +#include +#include +#include +#endif + +/** File node of a tablespace or the log data space */ +typedef struct fil_node_struct fil_node_t; + +#ifdef UNIV_DO_FLUSH +extern ibool os_do_not_call_flush_at_each_write; +#endif /* UNIV_DO_FLUSH */ +extern ibool os_has_said_disk_full; +/** Flag: enable debug printout for asynchronous i/o */ +extern ibool os_aio_print_debug; + +/** Number of pending os_file_pread() operations */ +extern ulint os_file_n_pending_preads; +/** Number of pending os_file_pwrite() operations */ +extern ulint os_file_n_pending_pwrites; + +/** Number of pending read operations */ +extern ulint os_n_pending_reads; +/** Number of pending write operations */ +extern ulint os_n_pending_writes; + +#ifdef __WIN__ + +/** We define always WIN_ASYNC_IO, and check at run-time whether + the OS actually supports it: Win 95 does not, NT does. */ +#define WIN_ASYNC_IO + +/** Use unbuffered I/O */ +#define UNIV_NON_BUFFERED_IO + +#endif + +#ifdef __WIN__ +/** File handle */ +#define os_file_t HANDLE +/** Convert a C file descriptor to a native file handle +@param fd file descriptor +@return native file handle */ +#define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) +#else +/** File handle */ +typedef int os_file_t; +/** Convert a C file descriptor to a native file handle +@param fd file descriptor +@return native file handle */ +#define OS_FILE_FROM_FD(fd) fd +#endif + +/** Umask for creating files */ +extern ulint os_innodb_umask; + +/** The next value should be smaller or equal to the smallest sector size used +on any disk. A log block is required to be a portion of disk which is written +so that if the start and the end of a block get written to disk, then the +whole block gets written. This should be true even in most cases of a crash: +if this fails for a log block, then it is equivalent to a media failure in the +log. */ + +#define OS_FILE_LOG_BLOCK_SIZE 512 + +/** Options for file_create @{ */ +#define OS_FILE_OPEN 51 +#define OS_FILE_CREATE 52 +#define OS_FILE_OVERWRITE 53 +#define OS_FILE_OPEN_RAW 54 +#define OS_FILE_CREATE_PATH 55 +#define OS_FILE_OPEN_RETRY 56 /* for os_file_create() on + the first ibdata file */ + +#define OS_FILE_READ_ONLY 333 +#define OS_FILE_READ_WRITE 444 +#define OS_FILE_READ_ALLOW_DELETE 555 /* for ibbackup */ + +/* Options for file_create */ +#define OS_FILE_AIO 61 +#define OS_FILE_NORMAL 62 +/* @} */ + +/** Types for file create @{ */ +#define OS_DATA_FILE 100 +#define OS_LOG_FILE 101 +/* @} */ + +/** Error codes from os_file_get_last_error @{ */ +#define OS_FILE_NOT_FOUND 71 +#define OS_FILE_DISK_FULL 72 +#define OS_FILE_ALREADY_EXISTS 73 +#define OS_FILE_PATH_ERROR 74 +#define OS_FILE_AIO_RESOURCES_RESERVED 75 /* wait for OS aio resources + to become available again */ +#define OS_FILE_SHARING_VIOLATION 76 +#define OS_FILE_ERROR_NOT_SPECIFIED 77 +#define OS_FILE_INSUFFICIENT_RESOURCE 78 +#define OS_FILE_AIO_INTERRUPTED 79 +#define OS_FILE_OPERATION_ABORTED 80 +/* @} */ + +/** Types for aio operations @{ */ +#define OS_FILE_READ 10 +#define OS_FILE_WRITE 11 + +#define OS_FILE_LOG 256 /* This can be ORed to type */ +/* @} */ + +#define OS_AIO_N_PENDING_IOS_PER_THREAD 32 /*!< Win NT does not allow more + than 64 */ + +/** Modes for aio operations @{ */ +#define OS_AIO_NORMAL 21 /*!< Normal asynchronous i/o not for ibuf + pages or ibuf bitmap pages */ +#define OS_AIO_IBUF 22 /*!< Asynchronous i/o for ibuf pages or ibuf + bitmap pages */ +#define OS_AIO_LOG 23 /*!< Asynchronous i/o for the log */ +#define OS_AIO_SYNC 24 /*!< Asynchronous i/o where the calling thread + will itself wait for the i/o to complete, + doing also the job of the i/o-handler thread; + can be used for any pages, ibuf or non-ibuf. + This is used to save CPU time, as we can do + with fewer thread switches. Plain synchronous + i/o is not as good, because it must serialize + the file seek and read or write, causing a + bottleneck for parallelism. */ + +#define OS_AIO_SIMULATED_WAKE_LATER 512 /*!< This can be ORed to mode + in the call of os_aio(...), + if the caller wants to post several i/o + requests in a batch, and only after that + wake the i/o-handler thread; this has + effect only in simulated aio */ +/* @} */ + +#define OS_WIN31 1 /*!< Microsoft Windows 3.x */ +#define OS_WIN95 2 /*!< Microsoft Windows 95 */ +#define OS_WINNT 3 /*!< Microsoft Windows NT 3.x */ +#define OS_WIN2000 4 /*!< Microsoft Windows 2000 */ + +extern ulint os_n_file_reads; +extern ulint os_n_file_writes; +extern ulint os_n_fsyncs; + +/* File types for directory entry data type */ + +enum os_file_type_enum{ + OS_FILE_TYPE_UNKNOWN = 0, + OS_FILE_TYPE_FILE, /* regular file */ + OS_FILE_TYPE_DIR, /* directory */ + OS_FILE_TYPE_LINK /* symbolic link */ +}; +typedef enum os_file_type_enum os_file_type_t; + +/* Maximum path string length in bytes when referring to tables with in the +'./databasename/tablename.ibd' path format; we can allocate at least 2 buffers +of this size from the thread stack; that is why this should not be made much +bigger than 4000 bytes */ +#define OS_FILE_MAX_PATH 4000 + +/* Struct used in fetching information of a file in a directory */ +struct os_file_stat_struct{ + char name[OS_FILE_MAX_PATH]; /*!< path to a file */ + os_file_type_t type; /*!< file type */ + ib_int64_t size; /*!< file size */ + time_t ctime; /*!< creation time */ + time_t mtime; /*!< modification time */ + time_t atime; /*!< access time */ +}; +typedef struct os_file_stat_struct os_file_stat_t; + +#ifdef __WIN__ +typedef HANDLE os_file_dir_t; /*!< directory stream */ +#else +typedef DIR* os_file_dir_t; /*!< directory stream */ +#endif + +/***********************************************************************//** +Gets the operating system version. Currently works only on Windows. +@return OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ +UNIV_INTERN +ulint +os_get_os_version(void); +/*===================*/ +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Creates the seek mutexes used in positioned reads and writes. */ +UNIV_INTERN +void +os_io_init_simple(void); +/*===================*/ +/***********************************************************************//** +Creates a temporary file. This function is like tmpfile(3), but +the temporary file is created in the MySQL temporary directory. +On Netware, this function is like tmpfile(3), because the C run-time +library of Netware does not expose the delete-on-close flag. +@return temporary file handle, or NULL on error */ + +FILE* +os_file_create_tmpfile(void); +/*========================*/ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************************//** +The os_file_opendir() function opens a directory stream corresponding to the +directory named by the dirname argument. The directory stream is positioned +at the first entry. In both Unix and Windows we automatically skip the '.' +and '..' items at the start of the directory listing. +@return directory stream, NULL if error */ +UNIV_INTERN +os_file_dir_t +os_file_opendir( +/*============*/ + const char* dirname, /*!< in: directory name; it must not + contain a trailing '\' or '/' */ + ibool error_is_fatal);/*!< in: TRUE if we should treat an + error as a fatal error; if we try to + open symlinks then we do not wish a + fatal error if it happens not to be + a directory */ +/***********************************************************************//** +Closes a directory stream. +@return 0 if success, -1 if failure */ +UNIV_INTERN +int +os_file_closedir( +/*=============*/ + os_file_dir_t dir); /*!< in: directory stream */ +/***********************************************************************//** +This function returns information of the next file in the directory. We jump +over the '.' and '..' entries in the directory. +@return 0 if ok, -1 if error, 1 if at the end of the directory */ +UNIV_INTERN +int +os_file_readdir_next_file( +/*======================*/ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info); /*!< in/out: buffer where the info is returned */ +/*****************************************************************//** +This function attempts to create a directory named pathname. The new directory +gets default permissions. On Unix, the permissions are (0770 & ~umask). If the +directory exists already, nothing is done and the call succeeds, unless the +fail_if_exists arguments is true. +@return TRUE if call succeeds, FALSE on error */ +UNIV_INTERN +ibool +os_file_create_directory( +/*=====================*/ + const char* pathname, /*!< in: directory name as + null-terminated string */ + ibool fail_if_exists);/*!< in: if TRUE, pre-existing directory + is treated as an error. */ +/****************************************************************//** +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create_simple( +/*==================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is + opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), or + OS_FILE_CREATE_PATH if new file + (if exists, error) and subdirectories along + its path are created (if needed)*/ + ulint access_type,/*!< in: OS_FILE_READ_ONLY or + OS_FILE_READ_WRITE */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ +/****************************************************************//** +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create_simple_no_error_handling( +/*====================================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error) */ + ulint access_type,/*!< in: OS_FILE_READ_ONLY, + OS_FILE_READ_WRITE, or + OS_FILE_READ_ALLOW_DELETE; the last option is + used by a backup program reading the file */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ +/****************************************************************//** +Tries to disable OS caching on an opened file descriptor. */ +UNIV_INTERN +void +os_file_set_nocache( +/*================*/ + int fd, /*!< in: file descriptor to alter */ + const char* file_name, /*!< in: file name, used in the + diagnostic message */ + const char* operation_name);/*!< in: "open" or "create"; used in the + diagnostic message */ +/****************************************************************//** +Opens an existing file or creates a new. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create( +/*===========*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), + OS_FILE_OVERWRITE if a new file is created + or an old overwritten; + OS_FILE_OPEN_RAW, if a raw device or disk + partition should be opened */ + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, + non-buffered i/o is desired, + OS_FILE_NORMAL, if any normal file; + NOTE that it also depends on type, os_aio_.. + and srv_.. variables whether we really use + async i/o or unbuffered i/o: look in the + function source code for the exact rules */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success);/*!< out: TRUE if succeed, FALSE if error */ +/***********************************************************************//** +Deletes a file. The file has to be closed before calling this. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_delete( +/*===========*/ + const char* name); /*!< in: file path as a null-terminated string */ + +/***********************************************************************//** +Deletes a file if it exists. The file has to be closed before calling this. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_delete_if_exists( +/*=====================*/ + const char* name); /*!< in: file path as a null-terminated string */ +/***********************************************************************//** +Renames a file (can also move it to another directory). It is safest that the +file is closed before calling this function. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_rename( +/*===========*/ + const char* oldpath, /*!< in: old file path as a + null-terminated string */ + const char* newpath); /*!< in: new file path */ +/***********************************************************************//** +Closes a file handle. In case of error, error number can be retrieved with +os_file_get_last_error. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_close( +/*==========*/ + os_file_t file); /*!< in, own: handle to a file */ +#ifdef UNIV_HOTBACKUP +/***********************************************************************//** +Closes a file handle. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_close_no_error_handling( +/*============================*/ + os_file_t file); /*!< in, own: handle to a file */ +#endif /* UNIV_HOTBACKUP */ +/***********************************************************************//** +Gets a file size. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_get_size( +/*=============*/ + os_file_t file, /*!< in: handle to a file */ + ulint* size, /*!< out: least significant 32 bits of file + size */ + ulint* size_high);/*!< out: most significant 32 bits of size */ +/***********************************************************************//** +Gets file size as a 64-bit integer ib_int64_t. +@return size in bytes, -1 if error */ +UNIV_INTERN +ib_int64_t +os_file_get_size_as_iblonglong( +/*===========================*/ + os_file_t file); /*!< in: handle to a file */ +/***********************************************************************//** +Write the specified number of zeros to a newly created file. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_set_size( +/*=============*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + ulint size, /*!< in: least significant 32 bits of file + size */ + ulint size_high);/*!< in: most significant 32 bits of size */ +/***********************************************************************//** +Truncates a file at its current position. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_set_eof( +/*============*/ + FILE* file); /*!< in: file to be truncated */ +/***********************************************************************//** +Flushes the write buffers of a given file to the disk. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_flush( +/*==========*/ + os_file_t file); /*!< in, own: handle to a file */ +/***********************************************************************//** +Retrieves the last error number if an error occurs in a file io function. +The number should be retrieved before any other OS calls (because they may +overwrite the error number). If the number is not known to this program, +the OS error number + 100 is returned. +@return error number, or OS error number + 100 */ +UNIV_INTERN +ulint +os_file_get_last_error( +/*===================*/ + ibool report_all_errors); /*!< in: TRUE if we want an error message + printed of all errors */ +/*******************************************************************//** +Requests a synchronous read operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_read( +/*=========*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n); /*!< in: number of bytes to read */ +/*******************************************************************//** +Rewind file to its start, read at most size - 1 bytes from it to str, and +NUL-terminate str. All errors are silently ignored. This function is +mostly meant to be used with temporary files. */ +UNIV_INTERN +void +os_file_read_string( +/*================*/ + FILE* file, /*!< in: file to read from */ + char* str, /*!< in: buffer where to read */ + ulint size); /*!< in: size of buffer */ +/*******************************************************************//** +Requests a synchronous positioned read operation. This function does not do +any error handling. In case of error it returns FALSE. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_read_no_error_handling( +/*===========================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n); /*!< in: number of bytes to read */ + +/*******************************************************************//** +Requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_write( +/*==========*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to write */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n); /*!< in: number of bytes to write */ +/*******************************************************************//** +Check the existence and type of the given file. +@return TRUE if call succeeded */ +UNIV_INTERN +ibool +os_file_status( +/*===========*/ + const char* path, /*!< in: pathname of the file */ + ibool* exists, /*!< out: TRUE if file exists */ + os_file_type_t* type); /*!< out: type of the file (if it exists) */ +/****************************************************************//** +The function os_file_dirname returns a directory component of a +null-terminated pathname string. In the usual case, dirname returns +the string up to, but not including, the final '/', and basename +is the component following the final '/'. Trailing '/' charac­ +ters are not counted as part of the pathname. + +If path does not contain a slash, dirname returns the string ".". + +Concatenating the string returned by dirname, a "/", and the basename +yields a complete pathname. + +The return value is a copy of the directory component of the pathname. +The copy is allocated from heap. It is the caller responsibility +to free it after it is no longer needed. + +The following list of examples (taken from SUSv2) shows the strings +returned by dirname and basename for different paths: + + path dirname basename + "/usr/lib" "/usr" "lib" + "/usr/" "/" "usr" + "usr" "." "usr" + "/" "/" "/" + "." "." "." + ".." "." ".." + +@return own: directory component of the pathname */ +UNIV_INTERN +char* +os_file_dirname( +/*============*/ + const char* path); /*!< in: pathname */ +/****************************************************************//** +Creates all missing subdirectories along the given path. +@return TRUE if call succeeded FALSE otherwise */ +UNIV_INTERN +ibool +os_file_create_subdirs_if_needed( +/*=============================*/ + const char* path); /*!< in: path name */ +/*********************************************************************** +Initializes the asynchronous io system. Creates one array each for ibuf +and log i/o. Also creates one array each for read and write where each +array is divided logically into n_read_segs and n_write_segs +respectively. The caller must create an i/o handler thread for each +segment in these arrays. This function also creates the sync array. +No i/o handler thread needs to be created for that */ +UNIV_INTERN +ibool +os_aio_init( +/*========*/ + ulint n_per_seg, /* +#include +#endif + +typedef void* os_process_t; +typedef unsigned long int os_process_id_t; + +extern ibool os_use_large_pages; +/* Large page size. This may be a boot-time option on some platforms */ +extern ulint os_large_page_size; + +/****************************************************************//** +Converts the current process id to a number. It is not guaranteed that the +number is unique. In Linux returns the 'process number' of the current +thread. That number is the same as one sees in 'top', for example. In Linux +the thread id is not the same as one sees in 'top'. +@return process id as a number */ +UNIV_INTERN +ulint +os_proc_get_number(void); +/*====================*/ +/****************************************************************//** +Allocates large pages memory. +@return allocated memory */ +UNIV_INTERN +void* +os_mem_alloc_large( +/*===============*/ + ulint* n); /*!< in/out: number of bytes */ +/****************************************************************//** +Frees large pages memory. */ +UNIV_INTERN +void +os_mem_free_large( +/*==============*/ + void *ptr, /*!< in: pointer returned by + os_mem_alloc_large() */ + ulint size); /*!< in: size returned by + os_mem_alloc_large() */ + +#ifndef UNIV_NONINL +#include "os0proc.ic" +#endif + +#endif diff --git a/perfschema/include/os0proc.ic b/perfschema/include/os0proc.ic new file mode 100644 index 00000000000..c9641644525 --- /dev/null +++ b/perfschema/include/os0proc.ic @@ -0,0 +1,27 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0proc.ic +The interface to the operating system +process control primitives + +Created 9/30/1995 Heikki Tuuri +*******************************************************/ + + diff --git a/perfschema/include/os0sync.h b/perfschema/include/os0sync.h new file mode 100644 index 00000000000..0c22162b900 --- /dev/null +++ b/perfschema/include/os0sync.h @@ -0,0 +1,445 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0sync.h +The interface to the operating system +synchronization primitives. + +Created 9/6/1995 Heikki Tuuri +*******************************************************/ + +#ifndef os0sync_h +#define os0sync_h + +#include "univ.i" +#include "ut0lst.h" + +#ifdef __WIN__ + +/** Native mutex */ +#define os_fast_mutex_t CRITICAL_SECTION + +/** Native event */ +typedef HANDLE os_native_event_t; + +/** Operating system event */ +typedef struct os_event_struct os_event_struct_t; +/** Operating system event handle */ +typedef os_event_struct_t* os_event_t; + +/** An asynchronous signal sent between threads */ +struct os_event_struct { + os_native_event_t handle; + /*!< Windows event */ + UT_LIST_NODE_T(os_event_struct_t) os_event_list; + /*!< list of all created events */ +}; +#else +/** Native mutex */ +typedef pthread_mutex_t os_fast_mutex_t; + +/** Operating system event */ +typedef struct os_event_struct os_event_struct_t; +/** Operating system event handle */ +typedef os_event_struct_t* os_event_t; + +/** An asynchronous signal sent between threads */ +struct os_event_struct { + os_fast_mutex_t os_mutex; /*!< this mutex protects the next + fields */ + ibool is_set; /*!< this is TRUE when the event is + in the signaled state, i.e., a thread + does not stop if it tries to wait for + this event */ + ib_int64_t signal_count; /*!< this is incremented each time + the event becomes signaled */ + pthread_cond_t cond_var; /*!< condition variable is used in + waiting for the event */ + UT_LIST_NODE_T(os_event_struct_t) os_event_list; + /*!< list of all created events */ +}; +#endif + +/** Operating system mutex */ +typedef struct os_mutex_struct os_mutex_str_t; +/** Operating system mutex handle */ +typedef os_mutex_str_t* os_mutex_t; + +/** Denotes an infinite delay for os_event_wait_time() */ +#define OS_SYNC_INFINITE_TIME ((ulint)(-1)) + +/** Return value of os_event_wait_time() when the time is exceeded */ +#define OS_SYNC_TIME_EXCEEDED 1 + +/** Mutex protecting counts and the event and OS 'slow' mutex lists */ +extern os_mutex_t os_sync_mutex; + +/** This is incremented by 1 in os_thread_create and decremented by 1 in +os_thread_exit */ +extern ulint os_thread_count; + +extern ulint os_event_count; +extern ulint os_mutex_count; +extern ulint os_fast_mutex_count; + +/*********************************************************//** +Initializes global event and OS 'slow' mutex lists. */ +UNIV_INTERN +void +os_sync_init(void); +/*==============*/ +/*********************************************************//** +Frees created events and OS 'slow' mutexes. */ +UNIV_INTERN +void +os_sync_free(void); +/*==============*/ +/*********************************************************//** +Creates an event semaphore, i.e., a semaphore which may just have two states: +signaled and nonsignaled. The created event is manual reset: it must be reset +explicitly by calling sync_os_reset_event. +@return the event handle */ +UNIV_INTERN +os_event_t +os_event_create( +/*============*/ + const char* name); /*!< in: the name of the event, if NULL + the event is created without a name */ +/**********************************************************//** +Sets an event semaphore to the signaled state: lets waiting threads +proceed. */ +UNIV_INTERN +void +os_event_set( +/*=========*/ + os_event_t event); /*!< in: event to set */ +/**********************************************************//** +Resets an event semaphore to the nonsignaled state. Waiting threads will +stop to wait for the event. +The return value should be passed to os_even_wait_low() if it is desired +that this thread should not wait in case of an intervening call to +os_event_set() between this os_event_reset() and the +os_event_wait_low() call. See comments for os_event_wait_low(). */ +UNIV_INTERN +ib_int64_t +os_event_reset( +/*===========*/ + os_event_t event); /*!< in: event to reset */ +/**********************************************************//** +Frees an event object. */ +UNIV_INTERN +void +os_event_free( +/*==========*/ + os_event_t event); /*!< in: event to free */ + +/**********************************************************//** +Waits for an event object until it is in the signaled state. If +srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the +waiting thread when the event becomes signaled (or immediately if the +event is already in the signaled state). + +Typically, if the event has been signalled after the os_event_reset() +we'll return immediately because event->is_set == TRUE. +There are, however, situations (e.g.: sync_array code) where we may +lose this information. For example: + +thread A calls os_event_reset() +thread B calls os_event_set() [event->is_set == TRUE] +thread C calls os_event_reset() [event->is_set == FALSE] +thread A calls os_event_wait() [infinite wait!] +thread C calls os_event_wait() [infinite wait!] + +Where such a scenario is possible, to avoid infinite wait, the +value returned by os_event_reset() should be passed in as +reset_sig_count. */ +UNIV_INTERN +void +os_event_wait_low( +/*==============*/ + os_event_t event, /*!< in: event to wait */ + ib_int64_t reset_sig_count);/*!< in: zero or the value + returned by previous call of + os_event_reset(). */ + +#define os_event_wait(event) os_event_wait_low(event, 0) + +/**********************************************************//** +Waits for an event object until it is in the signaled state or +a timeout is exceeded. In Unix the timeout is always infinite. +@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ +UNIV_INTERN +ulint +os_event_wait_time( +/*===============*/ + os_event_t event, /*!< in: event to wait */ + ulint time); /*!< in: timeout in microseconds, or + OS_SYNC_INFINITE_TIME */ +#ifdef __WIN__ +/**********************************************************//** +Waits for any event in an OS native event array. Returns if even a single +one is signaled or becomes signaled. +@return index of the event which was signaled */ +UNIV_INTERN +ulint +os_event_wait_multiple( +/*===================*/ + ulint n, /*!< in: number of events in the + array */ + os_native_event_t* native_event_array); + /*!< in: pointer to an array of event + handles */ +#endif +/*********************************************************//** +Creates an operating system mutex semaphore. Because these are slow, the +mutex semaphore of InnoDB itself (mutex_t) should be used where possible. +@return the mutex handle */ +UNIV_INTERN +os_mutex_t +os_mutex_create( +/*============*/ + const char* name); /*!< in: the name of the mutex, if NULL + the mutex is created without a name */ +/**********************************************************//** +Acquires ownership of a mutex semaphore. */ +UNIV_INTERN +void +os_mutex_enter( +/*===========*/ + os_mutex_t mutex); /*!< in: mutex to acquire */ +/**********************************************************//** +Releases ownership of a mutex. */ +UNIV_INTERN +void +os_mutex_exit( +/*==========*/ + os_mutex_t mutex); /*!< in: mutex to release */ +/**********************************************************//** +Frees an mutex object. */ +UNIV_INTERN +void +os_mutex_free( +/*==========*/ + os_mutex_t mutex); /*!< in: mutex to free */ +/**********************************************************//** +Acquires ownership of a fast mutex. Currently in Windows this is the same +as os_fast_mutex_lock! +@return 0 if success, != 0 if was reserved by another thread */ +UNIV_INLINE +ulint +os_fast_mutex_trylock( +/*==================*/ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ +/**********************************************************//** +Releases ownership of a fast mutex. */ +UNIV_INTERN +void +os_fast_mutex_unlock( +/*=================*/ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to release */ +/*********************************************************//** +Initializes an operating system fast mutex semaphore. */ +UNIV_INTERN +void +os_fast_mutex_init( +/*===============*/ + os_fast_mutex_t* fast_mutex); /*!< in: fast mutex */ +/**********************************************************//** +Acquires ownership of a fast mutex. */ +UNIV_INTERN +void +os_fast_mutex_lock( +/*===============*/ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ +/**********************************************************//** +Frees an mutex object. */ +UNIV_INTERN +void +os_fast_mutex_free( +/*===============*/ + os_fast_mutex_t* fast_mutex); /*!< in: mutex to free */ + +/**********************************************************//** +Atomic compare-and-swap and increment for InnoDB. */ + +#if defined(HAVE_IB_GCC_ATOMIC_BUILTINS) + +#define HAVE_ATOMIC_BUILTINS + +/**********************************************************//** +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ + +# define os_compare_and_swap(ptr, old_val, new_val) \ + __sync_bool_compare_and_swap(ptr, old_val, new_val) + +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) + +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) + +# ifdef HAVE_IB_ATOMIC_PTHREAD_T_GCC +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + os_compare_and_swap(ptr, old_val, new_val) +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use GCC atomic builtins" +# else /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes use GCC atomic builtins, rw_locks do not" +# endif /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ + +/**********************************************************//** +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ + +# define os_atomic_increment(ptr, amount) \ + __sync_add_and_fetch(ptr, amount) + +# define os_atomic_increment_lint(ptr, amount) \ + os_atomic_increment(ptr, amount) + +# define os_atomic_increment_ulint(ptr, amount) \ + os_atomic_increment(ptr, amount) + +/**********************************************************//** +Returns the old value of *ptr, atomically sets *ptr to new_val */ + +# define os_atomic_test_and_set_byte(ptr, new_val) \ + __sync_lock_test_and_set(ptr, new_val) + +#elif defined(HAVE_IB_SOLARIS_ATOMICS) + +#define HAVE_ATOMIC_BUILTINS + +/* If not compiling with GCC or GCC doesn't support the atomic +intrinsics and running on Solaris >= 10 use Solaris atomics */ + +#include + +/**********************************************************//** +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ + +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + (atomic_cas_ulong(ptr, old_val, new_val) == old_val) + +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + ((lint)atomic_cas_ulong((ulong_t*) ptr, old_val, new_val) == old_val) + +# ifdef HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS +# if SIZEOF_PTHREAD_T == 4 +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + ((pthread_t)atomic_cas_32(ptr, old_val, new_val) == old_val) +# elif SIZEOF_PTHREAD_T == 8 +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + ((pthread_t)atomic_cas_64(ptr, old_val, new_val) == old_val) +# else +# error "SIZEOF_PTHREAD_T != 4 or 8" +# endif /* SIZEOF_PTHREAD_T CHECK */ +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use Solaris atomic functions" +# else /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes use Solaris atomic functions, rw_locks do not" +# endif /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ + +/**********************************************************//** +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ + +# define os_atomic_increment_lint(ptr, amount) \ + atomic_add_long_nv((ulong_t*) ptr, amount) + +# define os_atomic_increment_ulint(ptr, amount) \ + atomic_add_long_nv(ptr, amount) + +/**********************************************************//** +Returns the old value of *ptr, atomically sets *ptr to new_val */ + +# define os_atomic_test_and_set_byte(ptr, new_val) \ + atomic_swap_uchar(ptr, new_val) + +#elif defined(HAVE_WINDOWS_ATOMICS) + +#define HAVE_ATOMIC_BUILTINS + +/* On Windows, use Windows atomics / interlocked */ +# ifdef _WIN64 +# define win_cmp_and_xchg InterlockedCompareExchange64 +# define win_xchg_and_add InterlockedExchangeAdd64 +# else /* _WIN64 */ +# define win_cmp_and_xchg InterlockedCompareExchange +# define win_xchg_and_add InterlockedExchangeAdd +# endif + +/**********************************************************//** +Returns true if swapped, ptr is pointer to target, old_val is value to +compare to, new_val is the value to swap in. */ + +# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ + (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) + +# define os_compare_and_swap_lint(ptr, old_val, new_val) \ + (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) + +/* windows thread objects can always be passed to windows atomic functions */ +# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ + (InterlockedCompareExchange(ptr, new_val, old_val) == old_val) +# define INNODB_RW_LOCKS_USE_ATOMICS +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use Windows interlocked functions" + +/**********************************************************//** +Returns the resulting value, ptr is pointer to target, amount is the +amount of increment. */ + +# define os_atomic_increment_lint(ptr, amount) \ + (win_xchg_and_add(ptr, amount) + amount) + +# define os_atomic_increment_ulint(ptr, amount) \ + ((ulint) (win_xchg_and_add(ptr, amount) + amount)) + +/**********************************************************//** +Returns the old value of *ptr, atomically sets *ptr to new_val. +InterlockedExchange() operates on LONG, and the LONG will be +clobbered */ + +# define os_atomic_test_and_set_byte(ptr, new_val) \ + ((byte) InterlockedExchange(ptr, new_val)) + +#else +# define IB_ATOMICS_STARTUP_MSG \ + "Mutexes and rw_locks use InnoDB's own implementation" +#endif + +#ifndef UNIV_NONINL +#include "os0sync.ic" +#endif + +#endif diff --git a/perfschema/include/os0sync.ic b/perfschema/include/os0sync.ic new file mode 100644 index 00000000000..1f3ce38fa65 --- /dev/null +++ b/perfschema/include/os0sync.ic @@ -0,0 +1,53 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0sync.ic +The interface to the operating system synchronization primitives. + +Created 9/6/1995 Heikki Tuuri +*******************************************************/ + +#ifdef __WIN__ +#include +#endif + +/**********************************************************//** +Acquires ownership of a fast mutex. Currently in Windows this is the same +as os_fast_mutex_lock! +@return 0 if success, != 0 if was reserved by another thread */ +UNIV_INLINE +ulint +os_fast_mutex_trylock( +/*==================*/ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ +{ +#ifdef __WIN__ + EnterCriticalSection(fast_mutex); + + return(0); +#else + /* NOTE that the MySQL my_pthread.h redefines pthread_mutex_trylock + so that it returns 0 on success. In the operating system + libraries, HP-UX-10.20 follows the old Posix 1003.4a Draft 4 and + returns 1 on success (but MySQL remaps that to 0), while Linux, + FreeBSD, Solaris, AIX, Tru64 Unix, HP-UX-11.0 return 0 on success. */ + + return((ulint) pthread_mutex_trylock(fast_mutex)); +#endif +} diff --git a/perfschema/include/os0thread.h b/perfschema/include/os0thread.h new file mode 100644 index 00000000000..6583de0005f --- /dev/null +++ b/perfschema/include/os0thread.h @@ -0,0 +1,162 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0thread.h +The interface to the operating system +process and thread control primitives + +Created 9/8/1995 Heikki Tuuri +*******************************************************/ + +#ifndef os0thread_h +#define os0thread_h + +#include "univ.i" + +/* Maximum number of threads which can be created in the program; +this is also the size of the wait slot array for MySQL threads which +can wait inside InnoDB */ + +#define OS_THREAD_MAX_N srv_max_n_threads + + +/* Possible fixed priorities for threads */ +#define OS_THREAD_PRIORITY_NONE 100 +#define OS_THREAD_PRIORITY_BACKGROUND 1 +#define OS_THREAD_PRIORITY_NORMAL 2 +#define OS_THREAD_PRIORITY_ABOVE_NORMAL 3 + +#ifdef __WIN__ +typedef void* os_thread_t; +typedef unsigned long os_thread_id_t; /*!< In Windows the thread id + is an unsigned long int */ +#else +typedef pthread_t os_thread_t; +typedef os_thread_t os_thread_id_t; /*!< In Unix we use the thread + handle itself as the id of + the thread */ +#endif + +/* Define a function pointer type to use in a typecast */ +typedef void* (*os_posix_f_t) (void*); + +/***************************************************************//** +Compares two thread ids for equality. +@return TRUE if equal */ +UNIV_INTERN +ibool +os_thread_eq( +/*=========*/ + os_thread_id_t a, /*!< in: OS thread or thread id */ + os_thread_id_t b); /*!< in: OS thread or thread id */ +/****************************************************************//** +Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is +unique for the thread though! +@return thread identifier as a number */ +UNIV_INTERN +ulint +os_thread_pf( +/*=========*/ + os_thread_id_t a); /*!< in: OS thread identifier */ +/****************************************************************//** +Creates a new thread of execution. The execution starts from +the function given. The start function takes a void* parameter +and returns a ulint. +NOTE: We count the number of threads in os_thread_exit(). A created +thread should always use that to exit and not use return() to exit. +@return handle to the thread */ +UNIV_INTERN +os_thread_t +os_thread_create( +/*=============*/ +#ifndef __WIN__ + os_posix_f_t start_f, +#else + ulint (*start_f)(void*), /*!< in: pointer to function + from which to start */ +#endif + void* arg, /*!< in: argument to start + function */ + os_thread_id_t* thread_id); /*!< out: id of the created + thread, or NULL */ + +/*****************************************************************//** +Exits the current thread. */ +UNIV_INTERN +void +os_thread_exit( +/*===========*/ + void* exit_value); /*!< in: exit value; in Windows this void* + is cast as a DWORD */ +/*****************************************************************//** +Returns the thread identifier of current thread. +@return current thread identifier */ +UNIV_INTERN +os_thread_id_t +os_thread_get_curr_id(void); +/*========================*/ +/*****************************************************************//** +Returns handle to the current thread. +@return current thread handle */ +UNIV_INTERN +os_thread_t +os_thread_get_curr(void); +/*====================*/ +/*****************************************************************//** +Advises the os to give up remainder of the thread's time slice. */ +UNIV_INTERN +void +os_thread_yield(void); +/*=================*/ +/*****************************************************************//** +The thread sleeps at least the time given in microseconds. */ +UNIV_INTERN +void +os_thread_sleep( +/*============*/ + ulint tm); /*!< in: time in microseconds */ +/******************************************************************//** +Gets a thread priority. +@return priority */ +UNIV_INTERN +ulint +os_thread_get_priority( +/*===================*/ + os_thread_t handle);/*!< in: OS handle to the thread */ +/******************************************************************//** +Sets a thread priority. */ +UNIV_INTERN +void +os_thread_set_priority( +/*===================*/ + os_thread_t handle, /*!< in: OS handle to the thread */ + ulint pri); /*!< in: priority: one of OS_PRIORITY_... */ +/******************************************************************//** +Gets the last operating system error code for the calling thread. +@return last error on Windows, 0 otherwise */ +UNIV_INTERN +ulint +os_thread_get_last_error(void); +/*==========================*/ + +#ifndef UNIV_NONINL +#include "os0thread.ic" +#endif + +#endif diff --git a/perfschema/include/os0thread.ic b/perfschema/include/os0thread.ic new file mode 100644 index 00000000000..f89bc40b4fa --- /dev/null +++ b/perfschema/include/os0thread.ic @@ -0,0 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0thread.ic +The interface to the operating system +process and thread control primitives + +Created 9/8/1995 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/page0cur.h b/perfschema/include/page0cur.h new file mode 100644 index 00000000000..1544b0abe1c --- /dev/null +++ b/perfschema/include/page0cur.h @@ -0,0 +1,346 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/page0cur.h +The page cursor + +Created 10/4/1994 Heikki Tuuri +*************************************************************************/ + +#ifndef page0cur_h +#define page0cur_h + +#include "univ.i" + +#include "buf0types.h" +#include "page0page.h" +#include "rem0rec.h" +#include "data0data.h" +#include "mtr0mtr.h" + + +#define PAGE_CUR_ADAPT + +/* Page cursor search modes; the values must be in this order! */ + +#define PAGE_CUR_UNSUPP 0 +#define PAGE_CUR_G 1 +#define PAGE_CUR_GE 2 +#define PAGE_CUR_L 3 +#define PAGE_CUR_LE 4 +/*#define PAGE_CUR_LE_OR_EXTENDS 5*/ /* This is a search mode used in + "column LIKE 'abc%' ORDER BY column DESC"; + we have to find strings which are <= 'abc' or + which extend it */ +#ifdef UNIV_SEARCH_DEBUG +# define PAGE_CUR_DBG 6 /* As PAGE_CUR_LE, but skips search shortcut */ +#endif /* UNIV_SEARCH_DEBUG */ + +#ifdef UNIV_DEBUG +/*********************************************************//** +Gets pointer to the page frame where the cursor is positioned. +@return page */ +UNIV_INLINE +page_t* +page_cur_get_page( +/*==============*/ + page_cur_t* cur); /*!< in: page cursor */ +/*********************************************************//** +Gets pointer to the buffer block where the cursor is positioned. +@return page */ +UNIV_INLINE +buf_block_t* +page_cur_get_block( +/*===============*/ + page_cur_t* cur); /*!< in: page cursor */ +/*********************************************************//** +Gets pointer to the page frame where the cursor is positioned. +@return page */ +UNIV_INLINE +page_zip_des_t* +page_cur_get_page_zip( +/*==================*/ + page_cur_t* cur); /*!< in: page cursor */ +/*********************************************************//** +Gets the record where the cursor is positioned. +@return record */ +UNIV_INLINE +rec_t* +page_cur_get_rec( +/*=============*/ + page_cur_t* cur); /*!< in: page cursor */ +#else /* UNIV_DEBUG */ +# define page_cur_get_page(cur) page_align((cur)->rec) +# define page_cur_get_block(cur) (cur)->block +# define page_cur_get_page_zip(cur) buf_block_get_page_zip((cur)->block) +# define page_cur_get_rec(cur) (cur)->rec +#endif /* UNIV_DEBUG */ +/*********************************************************//** +Sets the cursor object to point before the first user record +on the page. */ +UNIV_INLINE +void +page_cur_set_before_first( +/*======================*/ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur); /*!< in: cursor */ +/*********************************************************//** +Sets the cursor object to point after the last user record on +the page. */ +UNIV_INLINE +void +page_cur_set_after_last( +/*====================*/ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur); /*!< in: cursor */ +/*********************************************************//** +Returns TRUE if the cursor is before first user record on page. +@return TRUE if at start */ +UNIV_INLINE +ibool +page_cur_is_before_first( +/*=====================*/ + const page_cur_t* cur); /*!< in: cursor */ +/*********************************************************//** +Returns TRUE if the cursor is after last user record. +@return TRUE if at end */ +UNIV_INLINE +ibool +page_cur_is_after_last( +/*===================*/ + const page_cur_t* cur); /*!< in: cursor */ +/**********************************************************//** +Positions the cursor on the given record. */ +UNIV_INLINE +void +page_cur_position( +/*==============*/ + const rec_t* rec, /*!< in: record on a page */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + page_cur_t* cur); /*!< out: page cursor */ +/**********************************************************//** +Invalidates a page cursor by setting the record pointer NULL. */ +UNIV_INLINE +void +page_cur_invalidate( +/*================*/ + page_cur_t* cur); /*!< out: page cursor */ +/**********************************************************//** +Moves the cursor to the next record on page. */ +UNIV_INLINE +void +page_cur_move_to_next( +/*==================*/ + page_cur_t* cur); /*!< in/out: cursor; must not be after last */ +/**********************************************************//** +Moves the cursor to the previous record on page. */ +UNIV_INLINE +void +page_cur_move_to_prev( +/*==================*/ + page_cur_t* cur); /*!< in/out: cursor; not before first */ +#ifndef UNIV_HOTBACKUP +/***********************************************************//** +Inserts a record next to page cursor. Returns pointer to inserted record if +succeed, i.e., enough space available, NULL otherwise. The cursor stays at +the same logical position, but the physical position may change if it is +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INLINE +rec_t* +page_cur_tuple_insert( +/*==================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const dtuple_t* tuple, /*!< in: pointer to a data tuple */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Inserts a record next to page cursor. Returns pointer to inserted record if +succeed, i.e., enough space available, NULL otherwise. The cursor stays at +the same logical position, but the physical position may change if it is +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INLINE +rec_t* +page_cur_rec_insert( +/*================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const rec_t* rec, /*!< in: record to insert */ + dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ +/***********************************************************//** +Inserts a record next to page cursor on an uncompressed page. +Returns pointer to inserted record if succeed, i.e., enough +space available, NULL otherwise. The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INTERN +rec_t* +page_cur_insert_rec_low( +/*====================*/ + rec_t* current_rec,/*!< in: pointer to current record after + which the new record is inserted */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ +/***********************************************************//** +Inserts a record next to page cursor on a compressed and uncompressed +page. Returns pointer to inserted record if succeed, i.e., +enough space available, NULL otherwise. +The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INTERN +rec_t* +page_cur_insert_rec_zip( +/*====================*/ + rec_t** current_rec,/*!< in/out: pointer to current record after + which the new record is inserted */ + buf_block_t* block, /*!< in: buffer block of *current_rec */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ +/*************************************************************//** +Copies records from page to a newly created page, from a given record onward, +including that record. Infimum and supremum records are not copied. */ +UNIV_INTERN +void +page_copy_rec_list_end_to_created_page( +/*===================================*/ + page_t* new_page, /*!< in/out: index page to copy to */ + rec_t* rec, /*!< in: first record to copy */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ +/***********************************************************//** +Deletes a record at the page cursor. The cursor is moved to the +next record after the deleted one. */ +UNIV_INTERN +void +page_cur_delete_rec( +/*================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ + mtr_t* mtr); /*!< in: mini-transaction handle */ +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Searches the right position for a page cursor. +@return number of matched fields on the left */ +UNIV_INLINE +ulint +page_cur_search( +/*============*/ + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, + PAGE_CUR_LE, PAGE_CUR_G, or + PAGE_CUR_GE */ + page_cur_t* cursor);/*!< out: page cursor */ +/****************************************************************//** +Searches the right position for a page cursor. */ +UNIV_INTERN +void +page_cur_search_with_match( +/*=======================*/ + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, + PAGE_CUR_LE, PAGE_CUR_G, or + PAGE_CUR_GE */ + ulint* iup_matched_fields, + /*!< in/out: already matched + fields in upper limit record */ + ulint* iup_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + ulint* ilow_matched_fields, + /*!< in/out: already matched + fields in lower limit record */ + ulint* ilow_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + page_cur_t* cursor);/*!< out: page cursor */ +/***********************************************************//** +Positions a page cursor on a randomly chosen user record on a page. If there +are no user records, sets the cursor on the infimum record. */ +UNIV_INTERN +void +page_cur_open_on_rnd_user_rec( +/*==========================*/ + buf_block_t* block, /*!< in: page */ + page_cur_t* cursor);/*!< out: page cursor */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Parses a log record of a record insert on a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_cur_parse_insert_rec( +/*======================*/ + ibool is_short,/*!< in: TRUE if short inserts */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/**********************************************************//** +Parses a log record of copying a record list end to a new created page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_copy_rec_list_to_created_page( +/*=====================================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/***********************************************************//** +Parses log record of a record delete on a page. +@return pointer to record end or NULL */ +UNIV_INTERN +byte* +page_cur_parse_delete_rec( +/*======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ + +/** Index page cursor */ + +struct page_cur_struct{ + byte* rec; /*!< pointer to a record on page */ + buf_block_t* block; /*!< pointer to the block containing rec */ +}; + +#ifndef UNIV_NONINL +#include "page0cur.ic" +#endif + +#endif diff --git a/perfschema/include/page0cur.ic b/perfschema/include/page0cur.ic new file mode 100644 index 00000000000..3520677dfb3 --- /dev/null +++ b/perfschema/include/page0cur.ic @@ -0,0 +1,299 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/page0cur.ic +The page cursor + +Created 10/4/1994 Heikki Tuuri +*************************************************************************/ + +#include "page0page.h" +#include "buf0types.h" + +#ifdef UNIV_DEBUG +/*********************************************************//** +Gets pointer to the page frame where the cursor is positioned. +@return page */ +UNIV_INLINE +page_t* +page_cur_get_page( +/*==============*/ + page_cur_t* cur) /*!< in: page cursor */ +{ + ut_ad(cur); + ut_ad(page_align(cur->rec) == cur->block->frame); + + return(page_align(cur->rec)); +} + +/*********************************************************//** +Gets pointer to the buffer block where the cursor is positioned. +@return page */ +UNIV_INLINE +buf_block_t* +page_cur_get_block( +/*===============*/ + page_cur_t* cur) /*!< in: page cursor */ +{ + ut_ad(cur); + ut_ad(page_align(cur->rec) == cur->block->frame); + return(cur->block); +} + +/*********************************************************//** +Gets pointer to the page frame where the cursor is positioned. +@return page */ +UNIV_INLINE +page_zip_des_t* +page_cur_get_page_zip( +/*==================*/ + page_cur_t* cur) /*!< in: page cursor */ +{ + return(buf_block_get_page_zip(page_cur_get_block(cur))); +} + +/*********************************************************//** +Gets the record where the cursor is positioned. +@return record */ +UNIV_INLINE +rec_t* +page_cur_get_rec( +/*=============*/ + page_cur_t* cur) /*!< in: page cursor */ +{ + ut_ad(cur); + ut_ad(page_align(cur->rec) == cur->block->frame); + + return(cur->rec); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************//** +Sets the cursor object to point before the first user record +on the page. */ +UNIV_INLINE +void +page_cur_set_before_first( +/*======================*/ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur) /*!< in: cursor */ +{ + cur->block = (buf_block_t*) block; + cur->rec = page_get_infimum_rec(buf_block_get_frame(cur->block)); +} + +/*********************************************************//** +Sets the cursor object to point after the last user record on +the page. */ +UNIV_INLINE +void +page_cur_set_after_last( +/*====================*/ + const buf_block_t* block, /*!< in: index page */ + page_cur_t* cur) /*!< in: cursor */ +{ + cur->block = (buf_block_t*) block; + cur->rec = page_get_supremum_rec(buf_block_get_frame(cur->block)); +} + +/*********************************************************//** +Returns TRUE if the cursor is before first user record on page. +@return TRUE if at start */ +UNIV_INLINE +ibool +page_cur_is_before_first( +/*=====================*/ + const page_cur_t* cur) /*!< in: cursor */ +{ + ut_ad(cur); + ut_ad(page_align(cur->rec) == cur->block->frame); + return(page_rec_is_infimum(cur->rec)); +} + +/*********************************************************//** +Returns TRUE if the cursor is after last user record. +@return TRUE if at end */ +UNIV_INLINE +ibool +page_cur_is_after_last( +/*===================*/ + const page_cur_t* cur) /*!< in: cursor */ +{ + ut_ad(cur); + ut_ad(page_align(cur->rec) == cur->block->frame); + return(page_rec_is_supremum(cur->rec)); +} + +/**********************************************************//** +Positions the cursor on the given record. */ +UNIV_INLINE +void +page_cur_position( +/*==============*/ + const rec_t* rec, /*!< in: record on a page */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + page_cur_t* cur) /*!< out: page cursor */ +{ + ut_ad(rec && block && cur); + ut_ad(page_align(rec) == block->frame); + + cur->rec = (rec_t*) rec; + cur->block = (buf_block_t*) block; +} + +/**********************************************************//** +Invalidates a page cursor by setting the record pointer NULL. */ +UNIV_INLINE +void +page_cur_invalidate( +/*================*/ + page_cur_t* cur) /*!< out: page cursor */ +{ + ut_ad(cur); + + cur->rec = NULL; + cur->block = NULL; +} + +/**********************************************************//** +Moves the cursor to the next record on page. */ +UNIV_INLINE +void +page_cur_move_to_next( +/*==================*/ + page_cur_t* cur) /*!< in/out: cursor; must not be after last */ +{ + ut_ad(!page_cur_is_after_last(cur)); + + cur->rec = page_rec_get_next(cur->rec); +} + +/**********************************************************//** +Moves the cursor to the previous record on page. */ +UNIV_INLINE +void +page_cur_move_to_prev( +/*==================*/ + page_cur_t* cur) /*!< in/out: page cursor, not before first */ +{ + ut_ad(!page_cur_is_before_first(cur)); + + cur->rec = page_rec_get_prev(cur->rec); +} + +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Searches the right position for a page cursor. +@return number of matched fields on the left */ +UNIV_INLINE +ulint +page_cur_search( +/*============*/ + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, + PAGE_CUR_LE, PAGE_CUR_G, or + PAGE_CUR_GE */ + page_cur_t* cursor) /*!< out: page cursor */ +{ + ulint low_matched_fields = 0; + ulint low_matched_bytes = 0; + ulint up_matched_fields = 0; + ulint up_matched_bytes = 0; + + ut_ad(dtuple_check_typed(tuple)); + + page_cur_search_with_match(block, index, tuple, mode, + &up_matched_fields, + &up_matched_bytes, + &low_matched_fields, + &low_matched_bytes, + cursor); + return(low_matched_fields); +} + +/***********************************************************//** +Inserts a record next to page cursor. Returns pointer to inserted record if +succeed, i.e., enough space available, NULL otherwise. The cursor stays at +the same logical position, but the physical position may change if it is +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INLINE +rec_t* +page_cur_tuple_insert( +/*==================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const dtuple_t* tuple, /*!< in: pointer to a data tuple */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_ext, /*!< in: number of externally stored columns */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ +{ + mem_heap_t* heap; + ulint* offsets; + ulint size + = rec_get_converted_size(index, tuple, n_ext); + rec_t* rec; + + heap = mem_heap_create(size + + (4 + REC_OFFS_HEADER_SIZE + + dtuple_get_n_fields(tuple)) + * sizeof *offsets); + rec = rec_convert_dtuple_to_rec((byte*) mem_heap_alloc(heap, size), + index, tuple, n_ext); + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); + + if (buf_block_get_page_zip(cursor->block)) { + rec = page_cur_insert_rec_zip(&cursor->rec, cursor->block, + index, rec, offsets, mtr); + } else { + rec = page_cur_insert_rec_low(cursor->rec, + index, rec, offsets, mtr); + } + + mem_heap_free(heap); + return(rec); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Inserts a record next to page cursor. Returns pointer to inserted record if +succeed, i.e., enough space available, NULL otherwise. The cursor stays at +the same logical position, but the physical position may change if it is +pointing to a compressed page that was reorganized. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INLINE +rec_t* +page_cur_rec_insert( +/*================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + const rec_t* rec, /*!< in: record to insert */ + dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ +{ + if (buf_block_get_page_zip(cursor->block)) { + return(page_cur_insert_rec_zip(&cursor->rec, cursor->block, + index, rec, offsets, mtr)); + } else { + return(page_cur_insert_rec_low(cursor->rec, + index, rec, offsets, mtr)); + } +} diff --git a/perfschema/include/page0page.h b/perfschema/include/page0page.h new file mode 100644 index 00000000000..3899499fb6a --- /dev/null +++ b/perfschema/include/page0page.h @@ -0,0 +1,1015 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/page0page.h +Index page routines + +Created 2/2/1994 Heikki Tuuri +*******************************************************/ + +#ifndef page0page_h +#define page0page_h + +#include "univ.i" + +#include "page0types.h" +#include "fil0fil.h" +#include "buf0buf.h" +#include "data0data.h" +#include "dict0dict.h" +#include "rem0rec.h" +#include "fsp0fsp.h" +#include "mtr0mtr.h" + +#ifdef UNIV_MATERIALIZE +#undef UNIV_INLINE +#define UNIV_INLINE +#endif + +/* PAGE HEADER + =========== + +Index page header starts at the first offset left free by the FIL-module */ + +typedef byte page_header_t; + +#define PAGE_HEADER FSEG_PAGE_DATA /* index page header starts at this + offset */ +/*-----------------------------*/ +#define PAGE_N_DIR_SLOTS 0 /* number of slots in page directory */ +#define PAGE_HEAP_TOP 2 /* pointer to record heap top */ +#define PAGE_N_HEAP 4 /* number of records in the heap, + bit 15=flag: new-style compact page format */ +#define PAGE_FREE 6 /* pointer to start of page free record list */ +#define PAGE_GARBAGE 8 /* number of bytes in deleted records */ +#define PAGE_LAST_INSERT 10 /* pointer to the last inserted record, or + NULL if this info has been reset by a delete, + for example */ +#define PAGE_DIRECTION 12 /* last insert direction: PAGE_LEFT, ... */ +#define PAGE_N_DIRECTION 14 /* number of consecutive inserts to the same + direction */ +#define PAGE_N_RECS 16 /* number of user records on the page */ +#define PAGE_MAX_TRX_ID 18 /* highest id of a trx which may have modified + a record on the page; a dulint; defined only + in secondary indexes and in the insert buffer + tree; NOTE: this may be modified only + when the thread has an x-latch to the page, + and ALSO an x-latch to btr_search_latch + if there is a hash index to the page! */ +#define PAGE_HEADER_PRIV_END 26 /* end of private data structure of the page + header which are set in a page create */ +/*----*/ +#define PAGE_LEVEL 26 /* level of the node in an index tree; the + leaf level is the level 0. This field should + not be written to after page creation. */ +#define PAGE_INDEX_ID 28 /* index id where the page belongs. + This field should not be written to after + page creation. */ +#define PAGE_BTR_SEG_LEAF 36 /* file segment header for the leaf pages in + a B-tree: defined only on the root page of a + B-tree, but not in the root of an ibuf tree */ +#define PAGE_BTR_IBUF_FREE_LIST PAGE_BTR_SEG_LEAF +#define PAGE_BTR_IBUF_FREE_LIST_NODE PAGE_BTR_SEG_LEAF + /* in the place of PAGE_BTR_SEG_LEAF and _TOP + there is a free list base node if the page is + the root page of an ibuf tree, and at the same + place is the free list node if the page is in + a free list */ +#define PAGE_BTR_SEG_TOP (36 + FSEG_HEADER_SIZE) + /* file segment header for the non-leaf pages + in a B-tree: defined only on the root page of + a B-tree, but not in the root of an ibuf + tree */ +/*----*/ +#define PAGE_DATA (PAGE_HEADER + 36 + 2 * FSEG_HEADER_SIZE) + /* start of data on the page */ + +#define PAGE_OLD_INFIMUM (PAGE_DATA + 1 + REC_N_OLD_EXTRA_BYTES) + /* offset of the page infimum record on an + old-style page */ +#define PAGE_OLD_SUPREMUM (PAGE_DATA + 2 + 2 * REC_N_OLD_EXTRA_BYTES + 8) + /* offset of the page supremum record on an + old-style page */ +#define PAGE_OLD_SUPREMUM_END (PAGE_OLD_SUPREMUM + 9) + /* offset of the page supremum record end on + an old-style page */ +#define PAGE_NEW_INFIMUM (PAGE_DATA + REC_N_NEW_EXTRA_BYTES) + /* offset of the page infimum record on a + new-style compact page */ +#define PAGE_NEW_SUPREMUM (PAGE_DATA + 2 * REC_N_NEW_EXTRA_BYTES + 8) + /* offset of the page supremum record on a + new-style compact page */ +#define PAGE_NEW_SUPREMUM_END (PAGE_NEW_SUPREMUM + 8) + /* offset of the page supremum record end on + a new-style compact page */ +/*-----------------------------*/ + +/* Heap numbers */ +#define PAGE_HEAP_NO_INFIMUM 0 /* page infimum */ +#define PAGE_HEAP_NO_SUPREMUM 1 /* page supremum */ +#define PAGE_HEAP_NO_USER_LOW 2 /* first user record in + creation (insertion) order, + not necessarily collation order; + this record may have been deleted */ + +/* Directions of cursor movement */ +#define PAGE_LEFT 1 +#define PAGE_RIGHT 2 +#define PAGE_SAME_REC 3 +#define PAGE_SAME_PAGE 4 +#define PAGE_NO_DIRECTION 5 + +/* PAGE DIRECTORY + ============== +*/ + +typedef byte page_dir_slot_t; +typedef page_dir_slot_t page_dir_t; + +/* Offset of the directory start down from the page end. We call the +slot with the highest file address directory start, as it points to +the first record in the list of records. */ +#define PAGE_DIR FIL_PAGE_DATA_END + +/* We define a slot in the page directory as two bytes */ +#define PAGE_DIR_SLOT_SIZE 2 + +/* The offset of the physically lower end of the directory, counted from +page end, when the page is empty */ +#define PAGE_EMPTY_DIR_START (PAGE_DIR + 2 * PAGE_DIR_SLOT_SIZE) + +/* The maximum and minimum number of records owned by a directory slot. The +number may drop below the minimum in the first and the last slot in the +directory. */ +#define PAGE_DIR_SLOT_MAX_N_OWNED 8 +#define PAGE_DIR_SLOT_MIN_N_OWNED 4 + +/************************************************************//** +Gets the start of a page. +@return start of the page */ +UNIV_INLINE +page_t* +page_align( +/*=======*/ + const void* ptr) /*!< in: pointer to page frame */ + __attribute__((const)); +/************************************************************//** +Gets the offset within a page. +@return offset from the start of the page */ +UNIV_INLINE +ulint +page_offset( +/*========*/ + const void* ptr) /*!< in: pointer to page frame */ + __attribute__((const)); +/*************************************************************//** +Returns the max trx id field value. */ +UNIV_INLINE +trx_id_t +page_get_max_trx_id( +/*================*/ + const page_t* page); /*!< in: page */ +/*************************************************************//** +Sets the max trx id field value. */ +UNIV_INTERN +void +page_set_max_trx_id( +/*================*/ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in/out: mini-transaction, or NULL */ +/*************************************************************//** +Sets the max trx id field value if trx_id is bigger than the previous +value. */ +UNIV_INLINE +void +page_update_max_trx_id( +/*===================*/ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in/out: mini-transaction */ +/*************************************************************//** +Reads the given header field. */ +UNIV_INLINE +ulint +page_header_get_field( +/*==================*/ + const page_t* page, /*!< in: page */ + ulint field); /*!< in: PAGE_N_DIR_SLOTS, ... */ +/*************************************************************//** +Sets the given header field. */ +UNIV_INLINE +void +page_header_set_field( +/*==================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ + ulint val); /*!< in: value */ +/*************************************************************//** +Returns the offset stored in the given header field. +@return offset from the start of the page, or 0 */ +UNIV_INLINE +ulint +page_header_get_offs( +/*=================*/ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_FREE, ... */ + __attribute__((nonnull, pure)); + +/*************************************************************//** +Returns the pointer stored in the given header field, or NULL. */ +#define page_header_get_ptr(page, field) \ + (page_header_get_offs(page, field) \ + ? page + page_header_get_offs(page, field) : NULL) +/*************************************************************//** +Sets the pointer stored in the given header field. */ +UNIV_INLINE +void +page_header_set_ptr( +/*================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint field, /*!< in/out: PAGE_FREE, ... */ + const byte* ptr); /*!< in: pointer or NULL*/ +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Resets the last insert info field in the page header. Writes to mlog +about this operation. */ +UNIV_INLINE +void +page_header_reset_last_insert( +/*==========================*/ + page_t* page, /*!< in: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + mtr_t* mtr); /*!< in: mtr */ +#endif /* !UNIV_HOTBACKUP */ +/************************************************************//** +Gets the offset of the first record on the page. +@return offset of the first record in record list, relative from page */ +UNIV_INLINE +ulint +page_get_infimum_offset( +/*====================*/ + const page_t* page); /*!< in: page which must have record(s) */ +/************************************************************//** +Gets the offset of the last record on the page. +@return offset of the last record in record list, relative from page */ +UNIV_INLINE +ulint +page_get_supremum_offset( +/*=====================*/ + const page_t* page); /*!< in: page which must have record(s) */ +#define page_get_infimum_rec(page) ((page) + page_get_infimum_offset(page)) +#define page_get_supremum_rec(page) ((page) + page_get_supremum_offset(page)) +/************************************************************//** +Returns the middle record of record list. If there are an even number +of records in the list, returns the first record of upper half-list. +@return middle record */ +UNIV_INTERN +rec_t* +page_get_middle_rec( +/*================*/ + page_t* page); /*!< in: page */ +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Compares a data tuple to a physical record. Differs from the function +cmp_dtuple_rec_with_match in the way that the record must reside on an +index page, and also page infimum and supremum records can be given in +the parameter rec. These are considered as the negative infinity and +the positive infinity in the alphabetical order. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ +UNIV_INLINE +int +page_cmp_dtuple_rec_with_match( +/*===========================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record on a page; may also + be page infimum or supremum, in which case + matched-parameter values below are not + affected */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when function returns + contains the value for current comparison */ + ulint* matched_bytes); /*!< in/out: number of already matched + bytes within the first field not completely + matched; when function returns contains the + value for current comparison */ +#endif /* !UNIV_HOTBACKUP */ +/*************************************************************//** +Gets the page number. +@return page number */ +UNIV_INLINE +ulint +page_get_page_no( +/*=============*/ + const page_t* page); /*!< in: page */ +/*************************************************************//** +Gets the tablespace identifier. +@return space id */ +UNIV_INLINE +ulint +page_get_space_id( +/*==============*/ + const page_t* page); /*!< in: page */ +/*************************************************************//** +Gets the number of user records on page (the infimum and supremum records +are not user records). +@return number of user records */ +UNIV_INLINE +ulint +page_get_n_recs( +/*============*/ + const page_t* page); /*!< in: index page */ +/***************************************************************//** +Returns the number of records before the given record in chain. +The number includes infimum and supremum records. +@return number of records */ +UNIV_INTERN +ulint +page_rec_get_n_recs_before( +/*=======================*/ + const rec_t* rec); /*!< in: the physical record */ +/*************************************************************//** +Gets the number of records in the heap. +@return number of user records */ +UNIV_INLINE +ulint +page_dir_get_n_heap( +/*================*/ + const page_t* page); /*!< in: index page */ +/*************************************************************//** +Sets the number of records in the heap. */ +UNIV_INLINE +void +page_dir_set_n_heap( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL. + Note that the size of the dense page directory + in the compressed page trailer is + n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ + ulint n_heap);/*!< in: number of records */ +/*************************************************************//** +Gets the number of dir slots in directory. +@return number of slots */ +UNIV_INLINE +ulint +page_dir_get_n_slots( +/*=================*/ + const page_t* page); /*!< in: index page */ +/*************************************************************//** +Sets the number of dir slots in directory. */ +UNIV_INLINE +void +page_dir_set_n_slots( +/*=================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint n_slots);/*!< in: number of slots */ +#ifdef UNIV_DEBUG +/*************************************************************//** +Gets pointer to nth directory slot. +@return pointer to dir slot */ +UNIV_INLINE +page_dir_slot_t* +page_dir_get_nth_slot( +/*==================*/ + const page_t* page, /*!< in: index page */ + ulint n); /*!< in: position */ +#else /* UNIV_DEBUG */ +# define page_dir_get_nth_slot(page, n) \ + ((page) + UNIV_PAGE_SIZE - PAGE_DIR \ + - (n + 1) * PAGE_DIR_SLOT_SIZE) +#endif /* UNIV_DEBUG */ +/**************************************************************//** +Used to check the consistency of a record on a page. +@return TRUE if succeed */ +UNIV_INLINE +ibool +page_rec_check( +/*===========*/ + const rec_t* rec); /*!< in: record */ +/***************************************************************//** +Gets the record pointed to by a directory slot. +@return pointer to record */ +UNIV_INLINE +const rec_t* +page_dir_slot_get_rec( +/*==================*/ + const page_dir_slot_t* slot); /*!< in: directory slot */ +/***************************************************************//** +This is used to set the record offset in a directory slot. */ +UNIV_INLINE +void +page_dir_slot_set_rec( +/*==================*/ + page_dir_slot_t* slot, /*!< in: directory slot */ + rec_t* rec); /*!< in: record on the page */ +/***************************************************************//** +Gets the number of records owned by a directory slot. +@return number of records */ +UNIV_INLINE +ulint +page_dir_slot_get_n_owned( +/*======================*/ + const page_dir_slot_t* slot); /*!< in: page directory slot */ +/***************************************************************//** +This is used to set the owned records field of a directory slot. */ +UNIV_INLINE +void +page_dir_slot_set_n_owned( +/*======================*/ + page_dir_slot_t*slot, /*!< in/out: directory slot */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n); /*!< in: number of records owned by the slot */ +/************************************************************//** +Calculates the space reserved for directory slots of a given +number of records. The exact value is a fraction number +n * PAGE_DIR_SLOT_SIZE / PAGE_DIR_SLOT_MIN_N_OWNED, and it is +rounded upwards to an integer. */ +UNIV_INLINE +ulint +page_dir_calc_reserved_space( +/*=========================*/ + ulint n_recs); /*!< in: number of records */ +/***************************************************************//** +Looks for the directory slot which owns the given record. +@return the directory slot number */ +UNIV_INTERN +ulint +page_dir_find_owner_slot( +/*=====================*/ + const rec_t* rec); /*!< in: the physical record */ +/************************************************************//** +Determine whether the page is in new-style compact format. +@return nonzero if the page is in compact format, zero if it is in +old-style format */ +UNIV_INLINE +ulint +page_is_comp( +/*=========*/ + const page_t* page); /*!< in: index page */ +/************************************************************//** +TRUE if the record is on a page in compact format. +@return nonzero if in compact format */ +UNIV_INLINE +ulint +page_rec_is_comp( +/*=============*/ + const rec_t* rec); /*!< in: record */ +/***************************************************************//** +Returns the heap number of a record. +@return heap number */ +UNIV_INLINE +ulint +page_rec_get_heap_no( +/*=================*/ + const rec_t* rec); /*!< in: the physical record */ +/************************************************************//** +Determine whether the page is a B-tree leaf. +@return TRUE if the page is a B-tree leaf */ +UNIV_INLINE +ibool +page_is_leaf( +/*=========*/ + const page_t* page) /*!< in: page */ + __attribute__((nonnull, pure)); +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +const rec_t* +page_rec_get_next_low( +/*==================*/ + const rec_t* rec, /*!< in: pointer to record */ + ulint comp); /*!< in: nonzero=compact page layout */ +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +rec_t* +page_rec_get_next( +/*==============*/ + rec_t* rec); /*!< in: pointer to record */ +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +const rec_t* +page_rec_get_next_const( +/*====================*/ + const rec_t* rec); /*!< in: pointer to record */ +/************************************************************//** +Sets the pointer to the next record on the page. */ +UNIV_INLINE +void +page_rec_set_next( +/*==============*/ + rec_t* rec, /*!< in: pointer to record, + must not be page supremum */ + rec_t* next); /*!< in: pointer to next record, + must not be page infimum */ +/************************************************************//** +Gets the pointer to the previous record. +@return pointer to previous record */ +UNIV_INLINE +const rec_t* +page_rec_get_prev_const( +/*====================*/ + const rec_t* rec); /*!< in: pointer to record, must not be page + infimum */ +/************************************************************//** +Gets the pointer to the previous record. +@return pointer to previous record */ +UNIV_INLINE +rec_t* +page_rec_get_prev( +/*==============*/ + rec_t* rec); /*!< in: pointer to record, + must not be page infimum */ +/************************************************************//** +TRUE if the record is a user record on the page. +@return TRUE if a user record */ +UNIV_INLINE +ibool +page_rec_is_user_rec_low( +/*=====================*/ + ulint offset) /*!< in: record offset on page */ + __attribute__((const)); +/************************************************************//** +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ +UNIV_INLINE +ibool +page_rec_is_supremum_low( +/*=====================*/ + ulint offset) /*!< in: record offset on page */ + __attribute__((const)); +/************************************************************//** +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ +UNIV_INLINE +ibool +page_rec_is_infimum_low( +/*====================*/ + ulint offset) /*!< in: record offset on page */ + __attribute__((const)); + +/************************************************************//** +TRUE if the record is a user record on the page. +@return TRUE if a user record */ +UNIV_INLINE +ibool +page_rec_is_user_rec( +/*=================*/ + const rec_t* rec) /*!< in: record */ + __attribute__((const)); +/************************************************************//** +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ +UNIV_INLINE +ibool +page_rec_is_supremum( +/*=================*/ + const rec_t* rec) /*!< in: record */ + __attribute__((const)); + +/************************************************************//** +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ +UNIV_INLINE +ibool +page_rec_is_infimum( +/*================*/ + const rec_t* rec) /*!< in: record */ + __attribute__((const)); +/***************************************************************//** +Looks for the record which owns the given record. +@return the owner record */ +UNIV_INLINE +rec_t* +page_rec_find_owner_rec( +/*====================*/ + rec_t* rec); /*!< in: the physical record */ +/***********************************************************************//** +This is a low-level operation which is used in a database index creation +to update the page number of a created B-tree to a data dictionary +record. */ +UNIV_INTERN +void +page_rec_write_index_page_no( +/*=========================*/ + rec_t* rec, /*!< in: record to update */ + ulint i, /*!< in: index of the field to update */ + ulint page_no,/*!< in: value to write */ + mtr_t* mtr); /*!< in: mtr */ +/************************************************************//** +Returns the maximum combined size of records which can be inserted on top +of record heap. +@return maximum combined size for inserted records */ +UNIV_INLINE +ulint +page_get_max_insert_size( +/*=====================*/ + const page_t* page, /*!< in: index page */ + ulint n_recs);/*!< in: number of records */ +/************************************************************//** +Returns the maximum combined size of records which can be inserted on top +of record heap if page is first reorganized. +@return maximum combined size for inserted records */ +UNIV_INLINE +ulint +page_get_max_insert_size_after_reorganize( +/*======================================*/ + const page_t* page, /*!< in: index page */ + ulint n_recs);/*!< in: number of records */ +/*************************************************************//** +Calculates free space if a page is emptied. +@return free space */ +UNIV_INLINE +ulint +page_get_free_space_of_empty( +/*=========================*/ + ulint comp) /*!< in: nonzero=compact page format */ + __attribute__((const)); +/**********************************************************//** +Returns the base extra size of a physical record. This is the +size of the fixed header, independent of the record size. +@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ +UNIV_INLINE +ulint +page_rec_get_base_extra_size( +/*=========================*/ + const rec_t* rec); /*!< in: physical record */ +/************************************************************//** +Returns the sum of the sizes of the records in the record list +excluding the infimum and supremum records. +@return data in bytes */ +UNIV_INLINE +ulint +page_get_data_size( +/*===============*/ + const page_t* page); /*!< in: index page */ +/************************************************************//** +Allocates a block of memory from the head of the free list +of an index page. */ +UNIV_INLINE +void +page_mem_alloc_free( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough + space available for inserting the record, + or NULL */ + rec_t* next_rec,/*!< in: pointer to the new head of the + free record list */ + ulint need); /*!< in: number of bytes allocated */ +/************************************************************//** +Allocates a block of memory from the heap of an index page. +@return pointer to start of allocated buffer, or NULL if allocation fails */ +UNIV_INTERN +byte* +page_mem_alloc_heap( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough + space available for inserting the record, + or NULL */ + ulint need, /*!< in: total number of bytes needed */ + ulint* heap_no);/*!< out: this contains the heap number + of the allocated record + if allocation succeeds */ +/************************************************************//** +Puts a record to free list. */ +UNIV_INLINE +void +page_mem_free( +/*==========*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + rec_t* rec, /*!< in: pointer to the (origin of) record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +Create an uncompressed B-tree index page. +@return pointer to the page */ +UNIV_INTERN +page_t* +page_create( +/*========*/ + buf_block_t* block, /*!< in: a buffer block where the + page is created */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ulint comp); /*!< in: nonzero=compact page format */ +/**********************************************************//** +Create a compressed B-tree index page. +@return pointer to the page */ +UNIV_INTERN +page_t* +page_create_zip( +/*============*/ + buf_block_t* block, /*!< in/out: a buffer frame where the + page is created */ + dict_index_t* index, /*!< in: the index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr); /*!< in: mini-transaction handle */ + +/*************************************************************//** +Differs from page_copy_rec_list_end, because this function does not +touch the lock table and max trx id on page or compress the page. */ +UNIV_INTERN +void +page_copy_rec_list_end_no_locks( +/*============================*/ + buf_block_t* new_block, /*!< in: index page to copy to */ + buf_block_t* block, /*!< in: index page of rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************//** +Copies records from page to new_page, from the given record onward, +including that record. Infimum and supremum records are not copied. +The records are copied to the start of the record list on new_page. +@return pointer to the original successor of the infimum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ +UNIV_INTERN +rec_t* +page_copy_rec_list_end( +/*===================*/ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull)); +/*************************************************************//** +Copies records from page to new_page, up to the given record, NOT +including that record. Infimum and supremum records are not copied. +The records are copied to the end of the record list on new_page. +@return pointer to the original predecessor of the supremum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ +UNIV_INTERN +rec_t* +page_copy_rec_list_start( +/*=====================*/ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull)); +/*************************************************************//** +Deletes records from a page from a given record onward, including that record. +The infimum and supremum records are not deleted. */ +UNIV_INTERN +void +page_delete_rec_list_end( +/*=====================*/ + rec_t* rec, /*!< in: pointer to record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_recs, /*!< in: number of records to delete, + or ULINT_UNDEFINED if not known */ + ulint size, /*!< in: the sum of the sizes of the + records in the end of the chain to + delete, or ULINT_UNDEFINED if not known */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull)); +/*************************************************************//** +Deletes records from page, up to the given record, NOT including +that record. Infimum and supremum records are not deleted. */ +UNIV_INTERN +void +page_delete_rec_list_start( +/*=======================*/ + rec_t* rec, /*!< in: record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull)); +/*************************************************************//** +Moves record list end to another page. Moved records include +split_rec. +@return TRUE on success; FALSE on compression failure (new_block will +be decompressed) */ +UNIV_INTERN +ibool +page_move_rec_list_end( +/*===================*/ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in: index page from where to move */ + rec_t* split_rec, /*!< in: first record to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull(1, 2, 4, 5))); +/*************************************************************//** +Moves record list start to another page. Moved records do not include +split_rec. +@return TRUE on success; FALSE on compression failure */ +UNIV_INTERN +ibool +page_move_rec_list_start( +/*=====================*/ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in/out: page containing split_rec */ + rec_t* split_rec, /*!< in: first record not to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ + __attribute__((nonnull(1, 2, 4, 5))); +/****************************************************************//** +Splits a directory slot which owns too many records. */ +UNIV_INTERN +void +page_dir_split_slot( +/*================*/ + page_t* page, /*!< in: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be written, or NULL */ + ulint slot_no)/*!< in: the directory slot */ + __attribute__((nonnull(1))); +/*************************************************************//** +Tries to balance the given directory slot with too few records +with the upper neighbor, so that there are at least the minimum number +of records owned by the slot; this may result in the merging of +two slots. */ +UNIV_INTERN +void +page_dir_balance_slot( +/*==================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: the directory slot */ + __attribute__((nonnull(1))); +/**********************************************************//** +Parses a log record of a record list end or start deletion. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_delete_rec_list( +/*=======================*/ + byte type, /*!< in: MLOG_LIST_END_DELETE, + MLOG_LIST_START_DELETE, + MLOG_COMP_LIST_END_DELETE or + MLOG_COMP_LIST_START_DELETE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/***********************************************************//** +Parses a redo log record of creating a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_create( +/*==============*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/************************************************************//** +Prints record contents including the data relevant only in +the index page context. */ +UNIV_INTERN +void +page_rec_print( +/*===========*/ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: record descriptor */ +/***************************************************************//** +This is used to print the contents of the directory for +debugging purposes. */ +UNIV_INTERN +void +page_dir_print( +/*===========*/ + page_t* page, /*!< in: index page */ + ulint pr_n); /*!< in: print n first and n last entries */ +/***************************************************************//** +This is used to print the contents of the page record list for +debugging purposes. */ +UNIV_INTERN +void +page_print_list( +/*============*/ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint pr_n); /*!< in: print n first and n last entries */ +/***************************************************************//** +Prints the info in a page header. */ +UNIV_INTERN +void +page_header_print( +/*==============*/ + const page_t* page); /*!< in: index page */ +/***************************************************************//** +This is used to print the contents of the page for +debugging purposes. */ +UNIV_INTERN +void +page_print( +/*=======*/ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint dn, /*!< in: print dn first and last entries + in directory */ + ulint rn); /*!< in: print rn first and last records + in directory */ +/***************************************************************//** +The following is used to validate a record on a page. This function +differs from rec_validate as it can also check the n_owned field and +the heap_no field. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_rec_validate( +/*==============*/ + rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Checks that the first directory slot points to the infimum record and +the last to the supremum. This function is intended to track if the +bug fixed in 4.0.14 has caused corruption to users' databases. */ +UNIV_INTERN +void +page_check_dir( +/*===========*/ + const page_t* page); /*!< in: index page */ +/***************************************************************//** +This function checks the consistency of an index page when we do not +know the index. This is also resilient so that this should never crash +even if the page is total garbage. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_simple_validate_old( +/*=====================*/ + page_t* page); /*!< in: old-style index page */ +/***************************************************************//** +This function checks the consistency of an index page when we do not +know the index. This is also resilient so that this should never crash +even if the page is total garbage. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_simple_validate_new( +/*=====================*/ + page_t* block); /*!< in: new-style index page */ +/***************************************************************//** +This function checks the consistency of an index page. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_validate( +/*==========*/ + page_t* page, /*!< in: index page */ + dict_index_t* index); /*!< in: data dictionary index containing + the page record type definition */ +/***************************************************************//** +Looks in the page record list for a record with the given heap number. +@return record, NULL if not found */ + +const rec_t* +page_find_rec_with_heap_no( +/*=======================*/ + const page_t* page, /*!< in: index page */ + ulint heap_no);/*!< in: heap number */ + +#ifdef UNIV_MATERIALIZE +#undef UNIV_INLINE +#define UNIV_INLINE UNIV_INLINE_ORIGINAL +#endif + +#ifndef UNIV_NONINL +#include "page0page.ic" +#endif + +#endif diff --git a/perfschema/include/page0page.ic b/perfschema/include/page0page.ic new file mode 100644 index 00000000000..8f794410f20 --- /dev/null +++ b/perfschema/include/page0page.ic @@ -0,0 +1,1073 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/page0page.ic +Index page routines + +Created 2/2/1994 Heikki Tuuri +*******************************************************/ + +#include "mach0data.h" +#ifdef UNIV_DEBUG +# include "log0recv.h" +#endif /* !UNIV_DEBUG */ +#ifndef UNIV_HOTBACKUP +# include "rem0cmp.h" +#endif /* !UNIV_HOTBACKUP */ +#include "mtr0log.h" +#include "page0zip.h" + +#ifdef UNIV_MATERIALIZE +#undef UNIV_INLINE +#define UNIV_INLINE +#endif + +/************************************************************//** +Gets the start of a page. +@return start of the page */ +UNIV_INLINE +page_t* +page_align( +/*=======*/ + const void* ptr) /*!< in: pointer to page frame */ +{ + return((page_t*) ut_align_down(ptr, UNIV_PAGE_SIZE)); +} +/************************************************************//** +Gets the offset within a page. +@return offset from the start of the page */ +UNIV_INLINE +ulint +page_offset( +/*========*/ + const void* ptr) /*!< in: pointer to page frame */ +{ + return(ut_align_offset(ptr, UNIV_PAGE_SIZE)); +} +/*************************************************************//** +Returns the max trx id field value. */ +UNIV_INLINE +trx_id_t +page_get_max_trx_id( +/*================*/ + const page_t* page) /*!< in: page */ +{ + ut_ad(page); + + return(mach_read_from_8(page + PAGE_HEADER + PAGE_MAX_TRX_ID)); +} + +/*************************************************************//** +Sets the max trx id field value if trx_id is bigger than the previous +value. */ +UNIV_INLINE +void +page_update_max_trx_id( +/*===================*/ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in/out: mini-transaction */ +{ + ut_ad(block); + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + /* During crash recovery, this function may be called on + something else than a leaf page of a secondary index or the + insert buffer index tree (dict_index_is_sec_or_ibuf() returns + TRUE for the dummy indexes constructed during redo log + application). In that case, PAGE_MAX_TRX_ID is unused, + and trx_id is usually zero. */ + ut_ad(!ut_dulint_is_zero(trx_id) || recv_recovery_is_on()); + ut_ad(page_is_leaf(buf_block_get_frame(block))); + + if (ut_dulint_cmp(page_get_max_trx_id(buf_block_get_frame(block)), + trx_id) < 0) { + + page_set_max_trx_id(block, page_zip, trx_id, mtr); + } +} + +/*************************************************************//** +Reads the given header field. */ +UNIV_INLINE +ulint +page_header_get_field( +/*==================*/ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_LEVEL, ... */ +{ + ut_ad(page); + ut_ad(field <= PAGE_INDEX_ID); + + return(mach_read_from_2(page + PAGE_HEADER + field)); +} + +/*************************************************************//** +Sets the given header field. */ +UNIV_INLINE +void +page_header_set_field( +/*==================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ + ulint val) /*!< in: value */ +{ + ut_ad(page); + ut_ad(field <= PAGE_N_RECS); + ut_ad(field == PAGE_N_HEAP || val < UNIV_PAGE_SIZE); + ut_ad(field != PAGE_N_HEAP || (val & 0x7fff) < UNIV_PAGE_SIZE); + + mach_write_to_2(page + PAGE_HEADER + field, val); + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_write_header(page_zip, + page + PAGE_HEADER + field, 2, NULL); + } +} + +/*************************************************************//** +Returns the offset stored in the given header field. +@return offset from the start of the page, or 0 */ +UNIV_INLINE +ulint +page_header_get_offs( +/*=================*/ + const page_t* page, /*!< in: page */ + ulint field) /*!< in: PAGE_FREE, ... */ +{ + ulint offs; + + ut_ad(page); + ut_ad((field == PAGE_FREE) + || (field == PAGE_LAST_INSERT) + || (field == PAGE_HEAP_TOP)); + + offs = page_header_get_field(page, field); + + ut_ad((field != PAGE_HEAP_TOP) || offs); + + return(offs); +} + +/*************************************************************//** +Sets the pointer stored in the given header field. */ +UNIV_INLINE +void +page_header_set_ptr( +/*================*/ + page_t* page, /*!< in: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint field, /*!< in: PAGE_FREE, ... */ + const byte* ptr) /*!< in: pointer or NULL*/ +{ + ulint offs; + + ut_ad(page); + ut_ad((field == PAGE_FREE) + || (field == PAGE_LAST_INSERT) + || (field == PAGE_HEAP_TOP)); + + if (ptr == NULL) { + offs = 0; + } else { + offs = ptr - page; + } + + ut_ad((field != PAGE_HEAP_TOP) || offs); + + page_header_set_field(page, page_zip, field, offs); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Resets the last insert info field in the page header. Writes to mlog +about this operation. */ +UNIV_INLINE +void +page_header_reset_last_insert( +/*==========================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(page && mtr); + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_2(page + (PAGE_HEADER + PAGE_LAST_INSERT), 0); + page_zip_write_header(page_zip, + page + (PAGE_HEADER + PAGE_LAST_INSERT), + 2, mtr); + } else { + mlog_write_ulint(page + (PAGE_HEADER + PAGE_LAST_INSERT), 0, + MLOG_2BYTES, mtr); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/************************************************************//** +Determine whether the page is in new-style compact format. +@return nonzero if the page is in compact format, zero if it is in +old-style format */ +UNIV_INLINE +ulint +page_is_comp( +/*=========*/ + const page_t* page) /*!< in: index page */ +{ + return(UNIV_EXPECT(page_header_get_field(page, PAGE_N_HEAP) & 0x8000, + 0x8000)); +} + +/************************************************************//** +TRUE if the record is on a page in compact format. +@return nonzero if in compact format */ +UNIV_INLINE +ulint +page_rec_is_comp( +/*=============*/ + const rec_t* rec) /*!< in: record */ +{ + return(page_is_comp(page_align(rec))); +} + +/***************************************************************//** +Returns the heap number of a record. +@return heap number */ +UNIV_INLINE +ulint +page_rec_get_heap_no( +/*=================*/ + const rec_t* rec) /*!< in: the physical record */ +{ + if (page_rec_is_comp(rec)) { + return(rec_get_heap_no_new(rec)); + } else { + return(rec_get_heap_no_old(rec)); + } +} + +/************************************************************//** +Determine whether the page is a B-tree leaf. +@return TRUE if the page is a B-tree leaf */ +UNIV_INLINE +ibool +page_is_leaf( +/*=========*/ + const page_t* page) /*!< in: page */ +{ + return(!*(const uint16*) (page + (PAGE_HEADER + PAGE_LEVEL))); +} + +/************************************************************//** +Gets the offset of the first record on the page. +@return offset of the first record in record list, relative from page */ +UNIV_INLINE +ulint +page_get_infimum_offset( +/*====================*/ + const page_t* page) /*!< in: page which must have record(s) */ +{ + ut_ad(page); + ut_ad(!page_offset(page)); + + if (page_is_comp(page)) { + return(PAGE_NEW_INFIMUM); + } else { + return(PAGE_OLD_INFIMUM); + } +} + +/************************************************************//** +Gets the offset of the last record on the page. +@return offset of the last record in record list, relative from page */ +UNIV_INLINE +ulint +page_get_supremum_offset( +/*=====================*/ + const page_t* page) /*!< in: page which must have record(s) */ +{ + ut_ad(page); + ut_ad(!page_offset(page)); + + if (page_is_comp(page)) { + return(PAGE_NEW_SUPREMUM); + } else { + return(PAGE_OLD_SUPREMUM); + } +} + +/************************************************************//** +TRUE if the record is a user record on the page. +@return TRUE if a user record */ +UNIV_INLINE +ibool +page_rec_is_user_rec_low( +/*=====================*/ + ulint offset) /*!< in: record offset on page */ +{ + ut_ad(offset >= PAGE_NEW_INFIMUM); +#if PAGE_OLD_INFIMUM < PAGE_NEW_INFIMUM +# error "PAGE_OLD_INFIMUM < PAGE_NEW_INFIMUM" +#endif +#if PAGE_OLD_SUPREMUM < PAGE_NEW_SUPREMUM +# error "PAGE_OLD_SUPREMUM < PAGE_NEW_SUPREMUM" +#endif +#if PAGE_NEW_INFIMUM > PAGE_OLD_SUPREMUM +# error "PAGE_NEW_INFIMUM > PAGE_OLD_SUPREMUM" +#endif +#if PAGE_OLD_INFIMUM > PAGE_NEW_SUPREMUM +# error "PAGE_OLD_INFIMUM > PAGE_NEW_SUPREMUM" +#endif +#if PAGE_NEW_SUPREMUM > PAGE_OLD_SUPREMUM_END +# error "PAGE_NEW_SUPREMUM > PAGE_OLD_SUPREMUM_END" +#endif +#if PAGE_OLD_SUPREMUM > PAGE_NEW_SUPREMUM_END +# error "PAGE_OLD_SUPREMUM > PAGE_NEW_SUPREMUM_END" +#endif + ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); + + return(UNIV_LIKELY(offset != PAGE_NEW_SUPREMUM) + && UNIV_LIKELY(offset != PAGE_NEW_INFIMUM) + && UNIV_LIKELY(offset != PAGE_OLD_INFIMUM) + && UNIV_LIKELY(offset != PAGE_OLD_SUPREMUM)); +} + +/************************************************************//** +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ +UNIV_INLINE +ibool +page_rec_is_supremum_low( +/*=====================*/ + ulint offset) /*!< in: record offset on page */ +{ + ut_ad(offset >= PAGE_NEW_INFIMUM); + ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); + + return(UNIV_UNLIKELY(offset == PAGE_NEW_SUPREMUM) + || UNIV_UNLIKELY(offset == PAGE_OLD_SUPREMUM)); +} + +/************************************************************//** +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ +UNIV_INLINE +ibool +page_rec_is_infimum_low( +/*====================*/ + ulint offset) /*!< in: record offset on page */ +{ + ut_ad(offset >= PAGE_NEW_INFIMUM); + ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); + + return(UNIV_UNLIKELY(offset == PAGE_NEW_INFIMUM) + || UNIV_UNLIKELY(offset == PAGE_OLD_INFIMUM)); +} + +/************************************************************//** +TRUE if the record is a user record on the page. +@return TRUE if a user record */ +UNIV_INLINE +ibool +page_rec_is_user_rec( +/*=================*/ + const rec_t* rec) /*!< in: record */ +{ + return(page_rec_is_user_rec_low(page_offset(rec))); +} + +/************************************************************//** +TRUE if the record is the supremum record on a page. +@return TRUE if the supremum record */ +UNIV_INLINE +ibool +page_rec_is_supremum( +/*=================*/ + const rec_t* rec) /*!< in: record */ +{ + return(page_rec_is_supremum_low(page_offset(rec))); +} + +/************************************************************//** +TRUE if the record is the infimum record on a page. +@return TRUE if the infimum record */ +UNIV_INLINE +ibool +page_rec_is_infimum( +/*================*/ + const rec_t* rec) /*!< in: record */ +{ + return(page_rec_is_infimum_low(page_offset(rec))); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Compares a data tuple to a physical record. Differs from the function +cmp_dtuple_rec_with_match in the way that the record must reside on an +index page, and also page infimum and supremum records can be given in +the parameter rec. These are considered as the negative infinity and +the positive infinity in the alphabetical order. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ +UNIV_INLINE +int +page_cmp_dtuple_rec_with_match( +/*===========================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record on a page; may also + be page infimum or supremum, in which case + matched-parameter values below are not + affected */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when function returns + contains the value for current comparison */ + ulint* matched_bytes) /*!< in/out: number of already matched + bytes within the first field not completely + matched; when function returns contains the + value for current comparison */ +{ + ulint rec_offset; + + ut_ad(dtuple_check_typed(dtuple)); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(!rec_offs_comp(offsets) == !page_rec_is_comp(rec)); + + rec_offset = page_offset(rec); + + if (UNIV_UNLIKELY(rec_offset == PAGE_NEW_INFIMUM) + || UNIV_UNLIKELY(rec_offset == PAGE_OLD_INFIMUM)) { + return(1); + } + if (UNIV_UNLIKELY(rec_offset == PAGE_NEW_SUPREMUM) + || UNIV_UNLIKELY(rec_offset == PAGE_OLD_SUPREMUM)) { + return(-1); + } + + return(cmp_dtuple_rec_with_match(dtuple, rec, offsets, + matched_fields, + matched_bytes)); +} +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Gets the page number. +@return page number */ +UNIV_INLINE +ulint +page_get_page_no( +/*=============*/ + const page_t* page) /*!< in: page */ +{ + ut_ad(page == page_align((page_t*) page)); + return(mach_read_from_4(page + FIL_PAGE_OFFSET)); +} + +/*************************************************************//** +Gets the tablespace identifier. +@return space id */ +UNIV_INLINE +ulint +page_get_space_id( +/*==============*/ + const page_t* page) /*!< in: page */ +{ + ut_ad(page == page_align((page_t*) page)); + return(mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); +} + +/*************************************************************//** +Gets the number of user records on page (infimum and supremum records +are not user records). +@return number of user records */ +UNIV_INLINE +ulint +page_get_n_recs( +/*============*/ + const page_t* page) /*!< in: index page */ +{ + return(page_header_get_field(page, PAGE_N_RECS)); +} + +/*************************************************************//** +Gets the number of dir slots in directory. +@return number of slots */ +UNIV_INLINE +ulint +page_dir_get_n_slots( +/*=================*/ + const page_t* page) /*!< in: index page */ +{ + return(page_header_get_field(page, PAGE_N_DIR_SLOTS)); +} +/*************************************************************//** +Sets the number of dir slots in directory. */ +UNIV_INLINE +void +page_dir_set_n_slots( +/*=================*/ + page_t* page, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + ulint n_slots)/*!< in: number of slots */ +{ + page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots); +} + +/*************************************************************//** +Gets the number of records in the heap. +@return number of user records */ +UNIV_INLINE +ulint +page_dir_get_n_heap( +/*================*/ + const page_t* page) /*!< in: index page */ +{ + return(page_header_get_field(page, PAGE_N_HEAP) & 0x7fff); +} + +/*************************************************************//** +Sets the number of records in the heap. */ +UNIV_INLINE +void +page_dir_set_n_heap( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL. + Note that the size of the dense page directory + in the compressed page trailer is + n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ + ulint n_heap) /*!< in: number of records */ +{ + ut_ad(n_heap < 0x8000); + ut_ad(!page_zip || n_heap + == (page_header_get_field(page, PAGE_N_HEAP) & 0x7fff) + 1); + + page_header_set_field(page, page_zip, PAGE_N_HEAP, n_heap + | (0x8000 + & page_header_get_field(page, PAGE_N_HEAP))); +} + +#ifdef UNIV_DEBUG +/*************************************************************//** +Gets pointer to nth directory slot. +@return pointer to dir slot */ +UNIV_INLINE +page_dir_slot_t* +page_dir_get_nth_slot( +/*==================*/ + const page_t* page, /*!< in: index page */ + ulint n) /*!< in: position */ +{ + ut_ad(page_dir_get_n_slots(page) > n); + + return((page_dir_slot_t*) + page + UNIV_PAGE_SIZE - PAGE_DIR + - (n + 1) * PAGE_DIR_SLOT_SIZE); +} +#endif /* UNIV_DEBUG */ + +/**************************************************************//** +Used to check the consistency of a record on a page. +@return TRUE if succeed */ +UNIV_INLINE +ibool +page_rec_check( +/*===========*/ + const rec_t* rec) /*!< in: record */ +{ + const page_t* page = page_align(rec); + + ut_a(rec); + + ut_a(page_offset(rec) <= page_header_get_field(page, PAGE_HEAP_TOP)); + ut_a(page_offset(rec) >= PAGE_DATA); + + return(TRUE); +} + +/***************************************************************//** +Gets the record pointed to by a directory slot. +@return pointer to record */ +UNIV_INLINE +const rec_t* +page_dir_slot_get_rec( +/*==================*/ + const page_dir_slot_t* slot) /*!< in: directory slot */ +{ + return(page_align(slot) + mach_read_from_2(slot)); +} + +/***************************************************************//** +This is used to set the record offset in a directory slot. */ +UNIV_INLINE +void +page_dir_slot_set_rec( +/*==================*/ + page_dir_slot_t* slot, /*!< in: directory slot */ + rec_t* rec) /*!< in: record on the page */ +{ + ut_ad(page_rec_check(rec)); + + mach_write_to_2(slot, page_offset(rec)); +} + +/***************************************************************//** +Gets the number of records owned by a directory slot. +@return number of records */ +UNIV_INLINE +ulint +page_dir_slot_get_n_owned( +/*======================*/ + const page_dir_slot_t* slot) /*!< in: page directory slot */ +{ + const rec_t* rec = page_dir_slot_get_rec(slot); + if (page_rec_is_comp(slot)) { + return(rec_get_n_owned_new(rec)); + } else { + return(rec_get_n_owned_old(rec)); + } +} + +/***************************************************************//** +This is used to set the owned records field of a directory slot. */ +UNIV_INLINE +void +page_dir_slot_set_n_owned( +/*======================*/ + page_dir_slot_t*slot, /*!< in/out: directory slot */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n) /*!< in: number of records owned by the slot */ +{ + rec_t* rec = (rec_t*) page_dir_slot_get_rec(slot); + if (page_rec_is_comp(slot)) { + rec_set_n_owned_new(rec, page_zip, n); + } else { + ut_ad(!page_zip); + rec_set_n_owned_old(rec, n); + } +} + +/************************************************************//** +Calculates the space reserved for directory slots of a given number of +records. The exact value is a fraction number n * PAGE_DIR_SLOT_SIZE / +PAGE_DIR_SLOT_MIN_N_OWNED, and it is rounded upwards to an integer. */ +UNIV_INLINE +ulint +page_dir_calc_reserved_space( +/*=========================*/ + ulint n_recs) /*!< in: number of records */ +{ + return((PAGE_DIR_SLOT_SIZE * n_recs + PAGE_DIR_SLOT_MIN_N_OWNED - 1) + / PAGE_DIR_SLOT_MIN_N_OWNED); +} + +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +const rec_t* +page_rec_get_next_low( +/*==================*/ + const rec_t* rec, /*!< in: pointer to record */ + ulint comp) /*!< in: nonzero=compact page layout */ +{ + ulint offs; + const page_t* page; + + ut_ad(page_rec_check(rec)); + + page = page_align(rec); + + offs = rec_get_next_offs(rec, comp); + + if (UNIV_UNLIKELY(offs >= UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Next record offset is nonsensical %lu" + " in record at offset %lu\n" + "InnoDB: rec address %p, space id %lu, page %lu\n", + (ulong)offs, (ulong) page_offset(rec), + (void*) rec, + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page)); + buf_page_print(page, 0); + + ut_error; + } + + if (UNIV_UNLIKELY(offs == 0)) { + + return(NULL); + } + + return(page + offs); +} + +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +rec_t* +page_rec_get_next( +/*==============*/ + rec_t* rec) /*!< in: pointer to record */ +{ + return((rec_t*) page_rec_get_next_low(rec, page_rec_is_comp(rec))); +} + +/************************************************************//** +Gets the pointer to the next record on the page. +@return pointer to next record */ +UNIV_INLINE +const rec_t* +page_rec_get_next_const( +/*====================*/ + const rec_t* rec) /*!< in: pointer to record */ +{ + return(page_rec_get_next_low(rec, page_rec_is_comp(rec))); +} + +/************************************************************//** +Sets the pointer to the next record on the page. */ +UNIV_INLINE +void +page_rec_set_next( +/*==============*/ + rec_t* rec, /*!< in: pointer to record, + must not be page supremum */ + rec_t* next) /*!< in: pointer to next record, + must not be page infimum */ +{ + ulint offs; + + ut_ad(page_rec_check(rec)); + ut_ad(!page_rec_is_supremum(rec)); + ut_ad(rec != next); + + ut_ad(!next || !page_rec_is_infimum(next)); + ut_ad(!next || page_align(rec) == page_align(next)); + + if (UNIV_LIKELY(next != NULL)) { + offs = page_offset(next); + } else { + offs = 0; + } + + if (page_rec_is_comp(rec)) { + rec_set_next_offs_new(rec, offs); + } else { + rec_set_next_offs_old(rec, offs); + } +} + +/************************************************************//** +Gets the pointer to the previous record. +@return pointer to previous record */ +UNIV_INLINE +const rec_t* +page_rec_get_prev_const( +/*====================*/ + const rec_t* rec) /*!< in: pointer to record, must not be page + infimum */ +{ + const page_dir_slot_t* slot; + ulint slot_no; + const rec_t* rec2; + const rec_t* prev_rec = NULL; + const page_t* page; + + ut_ad(page_rec_check(rec)); + + page = page_align(rec); + + ut_ad(!page_rec_is_infimum(rec)); + + slot_no = page_dir_find_owner_slot(rec); + + ut_a(slot_no != 0); + + slot = page_dir_get_nth_slot(page, slot_no - 1); + + rec2 = page_dir_slot_get_rec(slot); + + if (page_is_comp(page)) { + while (rec != rec2) { + prev_rec = rec2; + rec2 = page_rec_get_next_low(rec2, TRUE); + } + } else { + while (rec != rec2) { + prev_rec = rec2; + rec2 = page_rec_get_next_low(rec2, FALSE); + } + } + + ut_a(prev_rec); + + return(prev_rec); +} + +/************************************************************//** +Gets the pointer to the previous record. +@return pointer to previous record */ +UNIV_INLINE +rec_t* +page_rec_get_prev( +/*==============*/ + rec_t* rec) /*!< in: pointer to record, must not be page + infimum */ +{ + return((rec_t*) page_rec_get_prev_const(rec)); +} + +/***************************************************************//** +Looks for the record which owns the given record. +@return the owner record */ +UNIV_INLINE +rec_t* +page_rec_find_owner_rec( +/*====================*/ + rec_t* rec) /*!< in: the physical record */ +{ + ut_ad(page_rec_check(rec)); + + if (page_rec_is_comp(rec)) { + while (rec_get_n_owned_new(rec) == 0) { + rec = page_rec_get_next(rec); + } + } else { + while (rec_get_n_owned_old(rec) == 0) { + rec = page_rec_get_next(rec); + } + } + + return(rec); +} + +/**********************************************************//** +Returns the base extra size of a physical record. This is the +size of the fixed header, independent of the record size. +@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ +UNIV_INLINE +ulint +page_rec_get_base_extra_size( +/*=========================*/ + const rec_t* rec) /*!< in: physical record */ +{ +#if REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES +# error "REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES" +#endif + return(REC_N_NEW_EXTRA_BYTES + (ulint) !page_rec_is_comp(rec)); +} + +/************************************************************//** +Returns the sum of the sizes of the records in the record list, excluding +the infimum and supremum records. +@return data in bytes */ +UNIV_INLINE +ulint +page_get_data_size( +/*===============*/ + const page_t* page) /*!< in: index page */ +{ + ulint ret; + + ret = (ulint)(page_header_get_field(page, PAGE_HEAP_TOP) + - (page_is_comp(page) + ? PAGE_NEW_SUPREMUM_END + : PAGE_OLD_SUPREMUM_END) + - page_header_get_field(page, PAGE_GARBAGE)); + + ut_ad(ret < UNIV_PAGE_SIZE); + + return(ret); +} + + +/************************************************************//** +Allocates a block of memory from the free list of an index page. */ +UNIV_INLINE +void +page_mem_alloc_free( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough + space available for inserting the record, + or NULL */ + rec_t* next_rec,/*!< in: pointer to the new head of the + free record list */ + ulint need) /*!< in: number of bytes allocated */ +{ + ulint garbage; + +#ifdef UNIV_DEBUG + const rec_t* old_rec = page_header_get_ptr(page, PAGE_FREE); + ulint next_offs; + + ut_ad(old_rec); + next_offs = rec_get_next_offs(old_rec, page_is_comp(page)); + ut_ad(next_rec == (next_offs ? page + next_offs : NULL)); +#endif + + page_header_set_ptr(page, page_zip, PAGE_FREE, next_rec); + + garbage = page_header_get_field(page, PAGE_GARBAGE); + ut_ad(garbage >= need); + + page_header_set_field(page, page_zip, PAGE_GARBAGE, garbage - need); +} + +/*************************************************************//** +Calculates free space if a page is emptied. +@return free space */ +UNIV_INLINE +ulint +page_get_free_space_of_empty( +/*=========================*/ + ulint comp) /*!< in: nonzero=compact page layout */ +{ + if (UNIV_LIKELY(comp)) { + return((ulint)(UNIV_PAGE_SIZE + - PAGE_NEW_SUPREMUM_END + - PAGE_DIR + - 2 * PAGE_DIR_SLOT_SIZE)); + } + + return((ulint)(UNIV_PAGE_SIZE + - PAGE_OLD_SUPREMUM_END + - PAGE_DIR + - 2 * PAGE_DIR_SLOT_SIZE)); +} + +/************************************************************//** +Each user record on a page, and also the deleted user records in the heap +takes its size plus the fraction of the dir cell size / +PAGE_DIR_SLOT_MIN_N_OWNED bytes for it. If the sum of these exceeds the +value of page_get_free_space_of_empty, the insert is impossible, otherwise +it is allowed. This function returns the maximum combined size of records +which can be inserted on top of the record heap. +@return maximum combined size for inserted records */ +UNIV_INLINE +ulint +page_get_max_insert_size( +/*=====================*/ + const page_t* page, /*!< in: index page */ + ulint n_recs) /*!< in: number of records */ +{ + ulint occupied; + ulint free_space; + + if (page_is_comp(page)) { + occupied = page_header_get_field(page, PAGE_HEAP_TOP) + - PAGE_NEW_SUPREMUM_END + + page_dir_calc_reserved_space( + n_recs + page_dir_get_n_heap(page) - 2); + + free_space = page_get_free_space_of_empty(TRUE); + } else { + occupied = page_header_get_field(page, PAGE_HEAP_TOP) + - PAGE_OLD_SUPREMUM_END + + page_dir_calc_reserved_space( + n_recs + page_dir_get_n_heap(page) - 2); + + free_space = page_get_free_space_of_empty(FALSE); + } + + /* Above the 'n_recs +' part reserves directory space for the new + inserted records; the '- 2' excludes page infimum and supremum + records */ + + if (occupied > free_space) { + + return(0); + } + + return(free_space - occupied); +} + +/************************************************************//** +Returns the maximum combined size of records which can be inserted on top +of the record heap if a page is first reorganized. +@return maximum combined size for inserted records */ +UNIV_INLINE +ulint +page_get_max_insert_size_after_reorganize( +/*======================================*/ + const page_t* page, /*!< in: index page */ + ulint n_recs) /*!< in: number of records */ +{ + ulint occupied; + ulint free_space; + + occupied = page_get_data_size(page) + + page_dir_calc_reserved_space(n_recs + page_get_n_recs(page)); + + free_space = page_get_free_space_of_empty(page_is_comp(page)); + + if (occupied > free_space) { + + return(0); + } + + return(free_space - occupied); +} + +/************************************************************//** +Puts a record to free list. */ +UNIV_INLINE +void +page_mem_free( +/*==========*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + rec_t* rec, /*!< in: pointer to the (origin of) record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + rec_t* free; + ulint garbage; + + ut_ad(rec_offs_validate(rec, index, offsets)); + free = page_header_get_ptr(page, PAGE_FREE); + + page_rec_set_next(rec, free); + page_header_set_ptr(page, page_zip, PAGE_FREE, rec); + + garbage = page_header_get_field(page, PAGE_GARBAGE); + + page_header_set_field(page, page_zip, PAGE_GARBAGE, + garbage + rec_offs_size(offsets)); + + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_dir_delete(page_zip, rec, index, offsets, free); + } else { + page_header_set_field(page, page_zip, PAGE_N_RECS, + page_get_n_recs(page) - 1); + } +} + +#ifdef UNIV_MATERIALIZE +#undef UNIV_INLINE +#define UNIV_INLINE UNIV_INLINE_ORIGINAL +#endif diff --git a/perfschema/include/page0types.h b/perfschema/include/page0types.h new file mode 100644 index 00000000000..d9a277bf208 --- /dev/null +++ b/perfschema/include/page0types.h @@ -0,0 +1,150 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/page0types.h +Index page routines + +Created 2/2/1994 Heikki Tuuri +*******************************************************/ + +#ifndef page0types_h +#define page0types_h + +#include "univ.i" +#include "dict0types.h" +#include "mtr0types.h" + +/** Eliminates a name collision on HP-UX */ +#define page_t ib_page_t +/** Type of the index page */ +typedef byte page_t; +/** Index page cursor */ +typedef struct page_cur_struct page_cur_t; + +/** Compressed index page */ +typedef byte page_zip_t; +/** Compressed page descriptor */ +typedef struct page_zip_des_struct page_zip_des_t; + +/* The following definitions would better belong to page0zip.h, +but we cannot include page0zip.h from rem0rec.ic, because +page0*.h includes rem0rec.h and may include rem0rec.ic. */ + +/** Number of bits needed for representing different compressed page sizes */ +#define PAGE_ZIP_SSIZE_BITS 3 + +/** log2 of smallest compressed page size */ +#define PAGE_ZIP_MIN_SIZE_SHIFT 10 +/** Smallest compressed page size */ +#define PAGE_ZIP_MIN_SIZE (1 << PAGE_ZIP_MIN_SIZE_SHIFT) + +/** Number of supported compressed page sizes */ +#define PAGE_ZIP_NUM_SSIZE (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 2) +#if PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS) +# error "PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS)" +#endif + +/** Compressed page descriptor */ +struct page_zip_des_struct +{ + page_zip_t* data; /*!< compressed page data */ + +#ifdef UNIV_DEBUG + unsigned m_start:16; /*!< start offset of modification log */ +#endif /* UNIV_DEBUG */ + unsigned m_end:16; /*!< end offset of modification log */ + unsigned m_nonempty:1; /*!< TRUE if the modification log + is not empty */ + unsigned n_blobs:12; /*!< number of externally stored + columns on the page; the maximum + is 744 on a 16 KiB page */ + unsigned ssize:PAGE_ZIP_SSIZE_BITS; + /*!< 0 or compressed page size; + the size in bytes is + PAGE_ZIP_MIN_SIZE << (ssize - 1). */ +}; + +/** Compression statistics for a given page size */ +struct page_zip_stat_struct { + /** Number of page compressions */ + ulint compressed; + /** Number of successful page compressions */ + ulint compressed_ok; + /** Number of page decompressions */ + ulint decompressed; + /** Duration of page compressions in microseconds */ + ib_uint64_t compressed_usec; + /** Duration of page decompressions in microseconds */ + ib_uint64_t decompressed_usec; +}; + +/** Compression statistics */ +typedef struct page_zip_stat_struct page_zip_stat_t; + +/** Statistics on compression, indexed by page_zip_des_struct::ssize - 1 */ +extern page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; + +/**********************************************************************//** +Write the "deleted" flag of a record on a compressed page. The flag must +already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_deleted( +/*=====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ + __attribute__((nonnull)); + +/**********************************************************************//** +Write the "owned" flag of a record on a compressed page. The n_owned field +must already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_owned( +/*===================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ + __attribute__((nonnull)); + +/**********************************************************************//** +Shift the dense page directory when a record is deleted. */ +UNIV_INTERN +void +page_zip_dir_delete( +/*================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: deleted record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ + __attribute__((nonnull(1,2,3,4))); + +/**********************************************************************//** +Add a slot to the dense page directory. */ +UNIV_INTERN +void +page_zip_dir_add_slot( +/*==================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, + zero for others */ + __attribute__((nonnull)); +#endif diff --git a/perfschema/include/page0zip.h b/perfschema/include/page0zip.h new file mode 100644 index 00000000000..574809e5227 --- /dev/null +++ b/perfschema/include/page0zip.h @@ -0,0 +1,475 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/page0zip.h +Compressed page interface + +Created June 2005 by Marko Makela +*******************************************************/ + +#ifndef page0zip_h +#define page0zip_h + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE +#endif + +#include "mtr0types.h" +#include "page0types.h" +#include "buf0types.h" +#include "dict0types.h" +#include "trx0types.h" +#include "mem0mem.h" + +/**********************************************************************//** +Determine the size of a compressed page in bytes. +@return size in bytes */ +UNIV_INLINE +ulint +page_zip_get_size( +/*==============*/ + const page_zip_des_t* page_zip) /*!< in: compressed page */ + __attribute__((nonnull, pure)); +/**********************************************************************//** +Set the size of a compressed page in bytes. */ +UNIV_INLINE +void +page_zip_set_size( +/*==============*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint size); /*!< in: size in bytes */ + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Determine if a record is so big that it needs to be stored externally. +@return FALSE if the entire record can be stored locally on the page */ +UNIV_INLINE +ibool +page_zip_rec_needs_ext( +/*===================*/ + ulint rec_size, /*!< in: length of the record in bytes */ + ulint comp, /*!< in: nonzero=compact format */ + ulint n_fields, /*!< in: number of fields in the record; + ignored if zip_size == 0 */ + ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ + __attribute__((const)); + +/**********************************************************************//** +Determine the guaranteed free space on an empty page. +@return minimum payload size on the page */ +UNIV_INTERN +ulint +page_zip_empty_size( +/*================*/ + ulint n_fields, /*!< in: number of columns in the index */ + ulint zip_size) /*!< in: compressed page size in bytes */ + __attribute__((const)); +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Initialize a compressed page descriptor. */ +UNIV_INLINE +void +page_zip_des_init( +/*==============*/ + page_zip_des_t* page_zip); /*!< in/out: compressed page + descriptor */ + +/**********************************************************************//** +Configure the zlib allocator to use the given memory heap. */ +UNIV_INTERN +void +page_zip_set_alloc( +/*===============*/ + void* stream, /*!< in/out: zlib stream */ + mem_heap_t* heap); /*!< in: memory heap to use */ + +/**********************************************************************//** +Compress a page. +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure. */ +UNIV_INTERN +ibool +page_zip_compress( +/*==============*/ + page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, + m_start, m_end, m_nonempty */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ + __attribute__((nonnull(1,2,3))); + +/**********************************************************************//** +Decompress a page. This function should tolerate errors on the compressed +page. Instead of letting assertions fail, it will return FALSE if an +inconsistency is detected. +@return TRUE on success, FALSE on failure */ +UNIV_INTERN +ibool +page_zip_decompress( +/*================*/ + page_zip_des_t* page_zip,/*!< in: data, ssize; + out: m_start, m_end, m_nonempty, n_blobs */ + page_t* page, /*!< out: uncompressed page, may be trashed */ + ibool all) /*!< in: TRUE=decompress the whole page; + FALSE=verify but do not copy some + page header fields that should not change + after page creation */ + __attribute__((nonnull(1,2))); + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Validate a compressed page descriptor. +@return TRUE if ok */ +UNIV_INLINE +ibool +page_zip_simple_validate( +/*=====================*/ + const page_zip_des_t* page_zip); /*!< in: compressed page + descriptor */ +#endif /* UNIV_DEBUG */ + +#ifdef UNIV_ZIP_DEBUG +/**********************************************************************//** +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ +UNIV_INTERN +ibool +page_zip_validate_low( +/*==================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + ibool sloppy) /*!< in: FALSE=strict, + TRUE=ignore the MIN_REC_FLAG */ + __attribute__((nonnull)); +/**********************************************************************//** +Check that the compressed and decompressed pages match. */ +UNIV_INTERN +ibool +page_zip_validate( +/*==============*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page) /*!< in: uncompressed page */ + __attribute__((nonnull)); +#endif /* UNIV_ZIP_DEBUG */ + +/**********************************************************************//** +Determine how big record can be inserted without recompressing the page. +@return a positive number indicating the maximum size of a record +whose insertion is guaranteed to succeed, or zero or negative */ +UNIV_INLINE +lint +page_zip_max_ins_size( +/*==================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust)/*!< in: TRUE if clustered index */ + __attribute__((nonnull, pure)); + +/**********************************************************************//** +Determine if enough space is available in the modification log. +@return TRUE if page_zip_write_rec() will succeed */ +UNIV_INLINE +ibool +page_zip_available( +/*===============*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint length, /*!< in: combined size of the record */ + ulint create) /*!< in: nonzero=add the record to + the heap */ + __attribute__((nonnull, pure)); + +/**********************************************************************//** +Write data to the uncompressed header portion of a page. The data must +already have been written to the uncompressed page. */ +UNIV_INLINE +void +page_zip_write_header( +/*==================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ + __attribute__((nonnull(1,2))); + +/**********************************************************************//** +Write an entire record on the compressed page. The data must already +have been written to the uncompressed page. */ +UNIV_INTERN +void +page_zip_write_rec( +/*===============*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint create) /*!< in: nonzero=insert, zero=update */ + __attribute__((nonnull)); + +/***********************************************************//** +Parses a log record of writing a BLOB pointer of a record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_blob_ptr( +/*==========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ + +/**********************************************************************//** +Write a BLOB pointer of a record on the leaf page of a clustered index. +The information must already have been updated on the uncompressed page. */ +UNIV_INTERN +void +page_zip_write_blob_ptr( +/*====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in/out: record whose data is being + written */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint n, /*!< in: column index */ + mtr_t* mtr) /*!< in: mini-transaction handle, + or NULL if no logging is needed */ + __attribute__((nonnull(1,2,3,4))); + +/***********************************************************//** +Parses a log record of writing the node pointer of a record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_node_ptr( +/*==========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ + +/**********************************************************************//** +Write the node pointer of a record on a non-leaf compressed page. */ +UNIV_INTERN +void +page_zip_write_node_ptr( +/*====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + ulint size, /*!< in: data size of rec */ + ulint ptr, /*!< in: node pointer */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ + __attribute__((nonnull(1,2))); + +/**********************************************************************//** +Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ +UNIV_INTERN +void +page_zip_write_trx_id_and_roll_ptr( +/*===============================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ + trx_id_t trx_id, /*!< in: transaction identifier */ + roll_ptr_t roll_ptr)/*!< in: roll_ptr */ + __attribute__((nonnull)); + +/**********************************************************************//** +Write the "deleted" flag of a record on a compressed page. The flag must +already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_deleted( +/*=====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ + __attribute__((nonnull)); + +/**********************************************************************//** +Write the "owned" flag of a record on a compressed page. The n_owned field +must already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_owned( +/*===================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ + __attribute__((nonnull)); + +/**********************************************************************//** +Insert a record to the dense page directory. */ +UNIV_INTERN +void +page_zip_dir_insert( +/*================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* prev_rec,/*!< in: record after which to insert */ + const byte* free_rec,/*!< in: record from which rec was + allocated, or NULL */ + byte* rec); /*!< in: record to insert */ + +/**********************************************************************//** +Shift the dense page directory and the array of BLOB pointers +when a record is deleted. */ +UNIV_INTERN +void +page_zip_dir_delete( +/*================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: deleted record */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ + __attribute__((nonnull(1,2,3,4))); + +/**********************************************************************//** +Add a slot to the dense page directory. */ +UNIV_INTERN +void +page_zip_dir_add_slot( +/*==================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, + zero for others */ + __attribute__((nonnull)); + +/***********************************************************//** +Parses a log record of writing to the header of a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_header( +/*========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip);/*!< in/out: compressed page */ + +/**********************************************************************//** +Write data to the uncompressed header portion of a page. The data must +already have been written to the uncompressed page. +However, the data portion of the uncompressed page may differ from +the compressed page when a record is being inserted in +page_cur_insert_rec_low(). */ +UNIV_INLINE +void +page_zip_write_header( +/*==================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ + __attribute__((nonnull(1,2))); + +/**********************************************************************//** +Reorganize and compress a page. This is a low-level operation for +compressed pages, to be used when page_zip_compress() fails. +On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. +The function btr_page_reorganize() should be preferred whenever possible. +IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a +non-clustered index, the caller must update the insert buffer free +bits in the same mini-transaction in such a way that the modification +will be redo-logged. +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure, but page will be overwritten. */ +UNIV_INTERN +ibool +page_zip_reorganize( +/*================*/ + buf_block_t* block, /*!< in/out: page with compressed page; + on the compressed page, in: size; + out: data, n_blobs, + m_start, m_end, m_nonempty */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ + __attribute__((nonnull)); +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Copy the records of a page byte for byte. Do not copy the page header +or trailer, except those B-tree header fields that are directly +related to the storage of records. Also copy PAGE_MAX_TRX_ID. +NOTE: The caller must update the lock table and the adaptive hash index. */ +UNIV_INTERN +void +page_zip_copy_recs( +/*===============*/ + page_zip_des_t* page_zip, /*!< out: copy of src_zip + (n_blobs, m_start, m_end, + m_nonempty, data[0..size-1]) */ + page_t* page, /*!< out: copy of src */ + const page_zip_des_t* src_zip, /*!< in: compressed page */ + const page_t* src, /*!< in: page */ + dict_index_t* index, /*!< in: index of the B-tree */ + mtr_t* mtr) /*!< in: mini-transaction */ + __attribute__((nonnull(1,2,3,4))); +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Parses a log record of compressing an index page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_compress( +/*====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< out: uncompressed page */ + page_zip_des_t* page_zip)/*!< out: compressed page */ + __attribute__((nonnull(1,2))); + +/**********************************************************************//** +Calculate the compressed page checksum. +@return page checksum */ +UNIV_INTERN +ulint +page_zip_calc_checksum( +/*===================*/ + const void* data, /*!< in: compressed page */ + ulint size) /*!< in: size of compressed page */ + __attribute__((nonnull)); + +#ifndef UNIV_HOTBACKUP +/** Check if a pointer to an uncompressed page matches a compressed page. +@param ptr pointer to an uncompressed page frame +@param page_zip compressed page descriptor +@return TRUE if ptr and page_zip refer to the same block */ +# define PAGE_ZIP_MATCH(ptr, page_zip) \ + (buf_frame_get_page_zip(ptr) == (page_zip)) +#else /* !UNIV_HOTBACKUP */ +/** Check if a pointer to an uncompressed page matches a compressed page. +@param ptr pointer to an uncompressed page frame +@param page_zip compressed page descriptor +@return TRUE if ptr and page_zip refer to the same block */ +# define PAGE_ZIP_MATCH(ptr, page_zip) \ + (page_align(ptr) + UNIV_PAGE_SIZE == (page_zip)->data) +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE UNIV_INLINE_ORIGINAL +#endif + +#ifndef UNIV_NONINL +# include "page0zip.ic" +#endif + +#endif /* page0zip_h */ diff --git a/perfschema/include/page0zip.ic b/perfschema/include/page0zip.ic new file mode 100644 index 00000000000..75cc7a9fcc4 --- /dev/null +++ b/perfschema/include/page0zip.ic @@ -0,0 +1,397 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/page0zip.ic +Compressed page interface + +Created June 2005 by Marko Makela +*******************************************************/ + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE +#endif + +#include "page0zip.h" +#include "page0page.h" + +/* The format of compressed pages is as follows. + +The header and trailer of the uncompressed pages, excluding the page +directory in the trailer, are copied as is to the header and trailer +of the compressed page. + +At the end of the compressed page, there is a dense page directory +pointing to every user record contained on the page, including deleted +records on the free list. The dense directory is indexed in the +collation order, i.e., in the order in which the record list is +linked on the uncompressed page. The infimum and supremum records are +excluded. The two most significant bits of the entries are allocated +for the delete-mark and an n_owned flag indicating the last record in +a chain of records pointed to from the sparse page directory on the +uncompressed page. + +The data between PAGE_ZIP_START and the last page directory entry will +be written in compressed format, starting at offset PAGE_DATA. +Infimum and supremum records are not stored. We exclude the +REC_N_NEW_EXTRA_BYTES in every record header. These can be recovered +from the dense page directory stored at the end of the compressed +page. + +The fields node_ptr (in non-leaf B-tree nodes; level>0), trx_id and +roll_ptr (in leaf B-tree nodes; level=0), and BLOB pointers of +externally stored columns are stored separately, in ascending order of +heap_no and column index, starting backwards from the dense page +directory. + +The compressed data stream may be followed by a modification log +covering the compressed portion of the page, as follows. + +MODIFICATION LOG ENTRY FORMAT +- write record: + - (heap_no - 1) << 1 (1..2 bytes) + - extra bytes backwards + - data bytes +- clear record: + - (heap_no - 1) << 1 | 1 (1..2 bytes) + +The integer values are stored in a variable-length format: +- 0xxxxxxx: 0..127 +- 1xxxxxxx xxxxxxxx: 0..32767 + +The end of the modification log is marked by a 0 byte. + +In summary, the compressed page looks like this: + +(1) Uncompressed page header (PAGE_DATA bytes) +(2) Compressed index information +(3) Compressed page data +(4) Page modification log (page_zip->m_start..page_zip->m_end) +(5) Empty zero-filled space +(6) BLOB pointers (on leaf pages) + - BTR_EXTERN_FIELD_REF_SIZE for each externally stored column + - in descending collation order +(7) Uncompressed columns of user records, n_dense * uncompressed_size bytes, + - indexed by heap_no + - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN for leaf pages of clustered indexes + - REC_NODE_PTR_SIZE for non-leaf pages + - 0 otherwise +(8) dense page directory, stored backwards + - n_dense = n_heap - 2 + - existing records in ascending collation order + - deleted records (free list) in link order +*/ + +/** Start offset of the area that will be compressed */ +#define PAGE_ZIP_START PAGE_NEW_SUPREMUM_END +/** Size of an compressed page directory entry */ +#define PAGE_ZIP_DIR_SLOT_SIZE 2 +/** Mask of record offsets */ +#define PAGE_ZIP_DIR_SLOT_MASK 0x3fff +/** 'owned' flag */ +#define PAGE_ZIP_DIR_SLOT_OWNED 0x4000 +/** 'deleted' flag */ +#define PAGE_ZIP_DIR_SLOT_DEL 0x8000 + +/**********************************************************************//** +Determine the size of a compressed page in bytes. +@return size in bytes */ +UNIV_INLINE +ulint +page_zip_get_size( +/*==============*/ + const page_zip_des_t* page_zip) /*!< in: compressed page */ +{ + ulint size; + + if (UNIV_UNLIKELY(!page_zip->ssize)) { + return(0); + } + + size = (PAGE_ZIP_MIN_SIZE >> 1) << page_zip->ssize; + + ut_ad(size >= PAGE_ZIP_MIN_SIZE); + ut_ad(size <= UNIV_PAGE_SIZE); + + return(size); +} +/**********************************************************************//** +Set the size of a compressed page in bytes. */ +UNIV_INLINE +void +page_zip_set_size( +/*==============*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint size) /*!< in: size in bytes */ +{ + if (size) { + int ssize; + + ut_ad(ut_is_2pow(size)); + + for (ssize = 1; size > (ulint) (512 << ssize); ssize++) { + } + + page_zip->ssize = ssize; + } else { + page_zip->ssize = 0; + } + + ut_ad(page_zip_get_size(page_zip) == size); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Determine if a record is so big that it needs to be stored externally. +@return FALSE if the entire record can be stored locally on the page */ +UNIV_INLINE +ibool +page_zip_rec_needs_ext( +/*===================*/ + ulint rec_size, /*!< in: length of the record in bytes */ + ulint comp, /*!< in: nonzero=compact format */ + ulint n_fields, /*!< in: number of fields in the record; + ignored if zip_size == 0 */ + ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ +{ + ut_ad(rec_size > comp ? REC_N_NEW_EXTRA_BYTES : REC_N_OLD_EXTRA_BYTES); + ut_ad(ut_is_2pow(zip_size)); + ut_ad(comp || !zip_size); + +#if UNIV_PAGE_SIZE > REC_MAX_DATA_SIZE + if (UNIV_UNLIKELY(rec_size >= REC_MAX_DATA_SIZE)) { + return(TRUE); + } +#endif + + if (UNIV_UNLIKELY(zip_size)) { + ut_ad(comp); + /* On a compressed page, there is a two-byte entry in + the dense page directory for every record. But there + is no record header. There should be enough room for + one record on an empty leaf page. Subtract 1 byte for + the encoded heap number. Check also the available space + on the uncompressed page. */ + return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2) + >= (page_zip_empty_size(n_fields, zip_size) - 1) + || rec_size >= page_get_free_space_of_empty(TRUE) / 2); + } + + return(rec_size >= page_get_free_space_of_empty(comp) / 2); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Validate a compressed page descriptor. +@return TRUE if ok */ +UNIV_INLINE +ibool +page_zip_simple_validate( +/*=====================*/ + const page_zip_des_t* page_zip)/*!< in: compressed page descriptor */ +{ + ut_ad(page_zip); + ut_ad(page_zip->data); + ut_ad(page_zip->ssize < PAGE_ZIP_NUM_SSIZE); + ut_ad(page_zip_get_size(page_zip) + > PAGE_DATA + PAGE_ZIP_DIR_SLOT_SIZE); + ut_ad(page_zip->m_start <= page_zip->m_end); + ut_ad(page_zip->m_end < page_zip_get_size(page_zip)); + ut_ad(page_zip->n_blobs + < page_zip_get_size(page_zip) / BTR_EXTERN_FIELD_REF_SIZE); + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +/**********************************************************************//** +Determine if the length of the page trailer. +@return length of the page trailer, in bytes, not including the +terminating zero byte of the modification log */ +UNIV_INLINE +ibool +page_zip_get_trailer_len( +/*=====================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint* entry_size)/*!< out: size of the uncompressed + portion of a user record */ +{ + ulint uncompressed_size; + + ut_ad(page_zip_simple_validate(page_zip)); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + if (UNIV_UNLIKELY(!page_is_leaf(page_zip->data))) { + uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE + + REC_NODE_PTR_SIZE; + ut_ad(!page_zip->n_blobs); + } else if (UNIV_UNLIKELY(is_clust)) { + uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + } else { + uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE; + ut_ad(!page_zip->n_blobs); + } + + if (entry_size) { + *entry_size = uncompressed_size; + } + + return((page_dir_get_n_heap(page_zip->data) - 2) + * uncompressed_size + + page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE); +} + +/**********************************************************************//** +Determine how big record can be inserted without recompressing the page. +@return a positive number indicating the maximum size of a record +whose insertion is guaranteed to succeed, or zero or negative */ +UNIV_INLINE +lint +page_zip_max_ins_size( +/*==================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust)/*!< in: TRUE if clustered index */ +{ + ulint uncompressed_size; + ulint trailer_len; + + trailer_len = page_zip_get_trailer_len(page_zip, is_clust, + &uncompressed_size); + + /* When a record is created, a pointer may be added to + the dense directory. + Likewise, space for the columns that will not be + compressed will be allocated from the page trailer. + Also the BLOB pointers will be allocated from there, but + we may as well count them in the length of the record. */ + + trailer_len += uncompressed_size; + + return((lint) page_zip_get_size(page_zip) + - trailer_len - page_zip->m_end + - (REC_N_NEW_EXTRA_BYTES - 2)); +} + +/**********************************************************************//** +Determine if enough space is available in the modification log. +@return TRUE if enough space is available */ +UNIV_INLINE +ibool +page_zip_available( +/*===============*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + ibool is_clust,/*!< in: TRUE if clustered index */ + ulint length, /*!< in: combined size of the record */ + ulint create) /*!< in: nonzero=add the record to + the heap */ +{ + ulint uncompressed_size; + ulint trailer_len; + + ut_ad(length > REC_N_NEW_EXTRA_BYTES); + + trailer_len = page_zip_get_trailer_len(page_zip, is_clust, + &uncompressed_size); + + /* Subtract the fixed extra bytes and add the maximum + space needed for identifying the record (encoded heap_no). */ + length -= REC_N_NEW_EXTRA_BYTES - 2; + + if (UNIV_UNLIKELY(create)) { + /* When a record is created, a pointer may be added to + the dense directory. + Likewise, space for the columns that will not be + compressed will be allocated from the page trailer. + Also the BLOB pointers will be allocated from there, but + we may as well count them in the length of the record. */ + + trailer_len += uncompressed_size; + } + + return(UNIV_LIKELY(length + + trailer_len + + page_zip->m_end + < page_zip_get_size(page_zip))); +} + +/**********************************************************************//** +Initialize a compressed page descriptor. */ +UNIV_INLINE +void +page_zip_des_init( +/*==============*/ + page_zip_des_t* page_zip) /*!< in/out: compressed page + descriptor */ +{ + memset(page_zip, 0, sizeof *page_zip); +} + +/**********************************************************************//** +Write a log record of writing to the uncompressed header portion of a page. */ +UNIV_INTERN +void +page_zip_write_header_log( +/*======================*/ + const byte* data,/*!< in: data on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr); /*!< in: mini-transaction */ + +/**********************************************************************//** +Write data to the uncompressed header portion of a page. The data must +already have been written to the uncompressed page. +However, the data portion of the uncompressed page may differ from +the compressed page when a record is being inserted in +page_cur_insert_rec_zip(). */ +UNIV_INLINE +void +page_zip_write_header( +/*==================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* str, /*!< in: address on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ +{ + ulint pos; + + ut_ad(PAGE_ZIP_MATCH(str, page_zip)); + ut_ad(page_zip_simple_validate(page_zip)); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + pos = page_offset(str); + + ut_ad(pos < PAGE_DATA); + + memcpy(page_zip->data + pos, str, length); + + /* The following would fail in page_cur_insert_rec_zip(). */ + /* ut_ad(page_zip_validate(page_zip, str - pos)); */ + + if (UNIV_LIKELY_NULL(mtr)) { +#ifndef UNIV_HOTBACKUP + page_zip_write_header_log(str, length, mtr); +#endif /* !UNIV_HOTBACKUP */ + } +} + +#ifdef UNIV_MATERIALIZE +# undef UNIV_INLINE +# define UNIV_INLINE UNIV_INLINE_ORIGINAL +#endif diff --git a/perfschema/include/pars0grm.h b/perfschema/include/pars0grm.h new file mode 100644 index 00000000000..3de233eed3a --- /dev/null +++ b/perfschema/include/pars0grm.h @@ -0,0 +1,236 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software +Foundation, Inc. + +As a special exception, when this file is copied by Bison into a +Bison output file, you may use that output file without restriction. +This special exception was added by the Free Software Foundation +in version 1.24 of Bison. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/* A Bison parser, made by GNU Bison 1.875d. */ + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PARS_INT_LIT = 258, + PARS_FLOAT_LIT = 259, + PARS_STR_LIT = 260, + PARS_FIXBINARY_LIT = 261, + PARS_BLOB_LIT = 262, + PARS_NULL_LIT = 263, + PARS_ID_TOKEN = 264, + PARS_AND_TOKEN = 265, + PARS_OR_TOKEN = 266, + PARS_NOT_TOKEN = 267, + PARS_GE_TOKEN = 268, + PARS_LE_TOKEN = 269, + PARS_NE_TOKEN = 270, + PARS_PROCEDURE_TOKEN = 271, + PARS_IN_TOKEN = 272, + PARS_OUT_TOKEN = 273, + PARS_BINARY_TOKEN = 274, + PARS_BLOB_TOKEN = 275, + PARS_INT_TOKEN = 276, + PARS_INTEGER_TOKEN = 277, + PARS_FLOAT_TOKEN = 278, + PARS_CHAR_TOKEN = 279, + PARS_IS_TOKEN = 280, + PARS_BEGIN_TOKEN = 281, + PARS_END_TOKEN = 282, + PARS_IF_TOKEN = 283, + PARS_THEN_TOKEN = 284, + PARS_ELSE_TOKEN = 285, + PARS_ELSIF_TOKEN = 286, + PARS_LOOP_TOKEN = 287, + PARS_WHILE_TOKEN = 288, + PARS_RETURN_TOKEN = 289, + PARS_SELECT_TOKEN = 290, + PARS_SUM_TOKEN = 291, + PARS_COUNT_TOKEN = 292, + PARS_DISTINCT_TOKEN = 293, + PARS_FROM_TOKEN = 294, + PARS_WHERE_TOKEN = 295, + PARS_FOR_TOKEN = 296, + PARS_DDOT_TOKEN = 297, + PARS_READ_TOKEN = 298, + PARS_ORDER_TOKEN = 299, + PARS_BY_TOKEN = 300, + PARS_ASC_TOKEN = 301, + PARS_DESC_TOKEN = 302, + PARS_INSERT_TOKEN = 303, + PARS_INTO_TOKEN = 304, + PARS_VALUES_TOKEN = 305, + PARS_UPDATE_TOKEN = 306, + PARS_SET_TOKEN = 307, + PARS_DELETE_TOKEN = 308, + PARS_CURRENT_TOKEN = 309, + PARS_OF_TOKEN = 310, + PARS_CREATE_TOKEN = 311, + PARS_TABLE_TOKEN = 312, + PARS_INDEX_TOKEN = 313, + PARS_UNIQUE_TOKEN = 314, + PARS_CLUSTERED_TOKEN = 315, + PARS_DOES_NOT_FIT_IN_MEM_TOKEN = 316, + PARS_ON_TOKEN = 317, + PARS_ASSIGN_TOKEN = 318, + PARS_DECLARE_TOKEN = 319, + PARS_CURSOR_TOKEN = 320, + PARS_SQL_TOKEN = 321, + PARS_OPEN_TOKEN = 322, + PARS_FETCH_TOKEN = 323, + PARS_CLOSE_TOKEN = 324, + PARS_NOTFOUND_TOKEN = 325, + PARS_TO_CHAR_TOKEN = 326, + PARS_TO_NUMBER_TOKEN = 327, + PARS_TO_BINARY_TOKEN = 328, + PARS_BINARY_TO_NUMBER_TOKEN = 329, + PARS_SUBSTR_TOKEN = 330, + PARS_REPLSTR_TOKEN = 331, + PARS_CONCAT_TOKEN = 332, + PARS_INSTR_TOKEN = 333, + PARS_LENGTH_TOKEN = 334, + PARS_SYSDATE_TOKEN = 335, + PARS_PRINTF_TOKEN = 336, + PARS_ASSERT_TOKEN = 337, + PARS_RND_TOKEN = 338, + PARS_RND_STR_TOKEN = 339, + PARS_ROW_PRINTF_TOKEN = 340, + PARS_COMMIT_TOKEN = 341, + PARS_ROLLBACK_TOKEN = 342, + PARS_WORK_TOKEN = 343, + PARS_UNSIGNED_TOKEN = 344, + PARS_EXIT_TOKEN = 345, + PARS_FUNCTION_TOKEN = 346, + PARS_LOCK_TOKEN = 347, + PARS_SHARE_TOKEN = 348, + PARS_MODE_TOKEN = 349, + NEG = 350 + }; +#endif +#define PARS_INT_LIT 258 +#define PARS_FLOAT_LIT 259 +#define PARS_STR_LIT 260 +#define PARS_FIXBINARY_LIT 261 +#define PARS_BLOB_LIT 262 +#define PARS_NULL_LIT 263 +#define PARS_ID_TOKEN 264 +#define PARS_AND_TOKEN 265 +#define PARS_OR_TOKEN 266 +#define PARS_NOT_TOKEN 267 +#define PARS_GE_TOKEN 268 +#define PARS_LE_TOKEN 269 +#define PARS_NE_TOKEN 270 +#define PARS_PROCEDURE_TOKEN 271 +#define PARS_IN_TOKEN 272 +#define PARS_OUT_TOKEN 273 +#define PARS_BINARY_TOKEN 274 +#define PARS_BLOB_TOKEN 275 +#define PARS_INT_TOKEN 276 +#define PARS_INTEGER_TOKEN 277 +#define PARS_FLOAT_TOKEN 278 +#define PARS_CHAR_TOKEN 279 +#define PARS_IS_TOKEN 280 +#define PARS_BEGIN_TOKEN 281 +#define PARS_END_TOKEN 282 +#define PARS_IF_TOKEN 283 +#define PARS_THEN_TOKEN 284 +#define PARS_ELSE_TOKEN 285 +#define PARS_ELSIF_TOKEN 286 +#define PARS_LOOP_TOKEN 287 +#define PARS_WHILE_TOKEN 288 +#define PARS_RETURN_TOKEN 289 +#define PARS_SELECT_TOKEN 290 +#define PARS_SUM_TOKEN 291 +#define PARS_COUNT_TOKEN 292 +#define PARS_DISTINCT_TOKEN 293 +#define PARS_FROM_TOKEN 294 +#define PARS_WHERE_TOKEN 295 +#define PARS_FOR_TOKEN 296 +#define PARS_DDOT_TOKEN 297 +#define PARS_READ_TOKEN 298 +#define PARS_ORDER_TOKEN 299 +#define PARS_BY_TOKEN 300 +#define PARS_ASC_TOKEN 301 +#define PARS_DESC_TOKEN 302 +#define PARS_INSERT_TOKEN 303 +#define PARS_INTO_TOKEN 304 +#define PARS_VALUES_TOKEN 305 +#define PARS_UPDATE_TOKEN 306 +#define PARS_SET_TOKEN 307 +#define PARS_DELETE_TOKEN 308 +#define PARS_CURRENT_TOKEN 309 +#define PARS_OF_TOKEN 310 +#define PARS_CREATE_TOKEN 311 +#define PARS_TABLE_TOKEN 312 +#define PARS_INDEX_TOKEN 313 +#define PARS_UNIQUE_TOKEN 314 +#define PARS_CLUSTERED_TOKEN 315 +#define PARS_DOES_NOT_FIT_IN_MEM_TOKEN 316 +#define PARS_ON_TOKEN 317 +#define PARS_ASSIGN_TOKEN 318 +#define PARS_DECLARE_TOKEN 319 +#define PARS_CURSOR_TOKEN 320 +#define PARS_SQL_TOKEN 321 +#define PARS_OPEN_TOKEN 322 +#define PARS_FETCH_TOKEN 323 +#define PARS_CLOSE_TOKEN 324 +#define PARS_NOTFOUND_TOKEN 325 +#define PARS_TO_CHAR_TOKEN 326 +#define PARS_TO_NUMBER_TOKEN 327 +#define PARS_TO_BINARY_TOKEN 328 +#define PARS_BINARY_TO_NUMBER_TOKEN 329 +#define PARS_SUBSTR_TOKEN 330 +#define PARS_REPLSTR_TOKEN 331 +#define PARS_CONCAT_TOKEN 332 +#define PARS_INSTR_TOKEN 333 +#define PARS_LENGTH_TOKEN 334 +#define PARS_SYSDATE_TOKEN 335 +#define PARS_PRINTF_TOKEN 336 +#define PARS_ASSERT_TOKEN 337 +#define PARS_RND_TOKEN 338 +#define PARS_RND_STR_TOKEN 339 +#define PARS_ROW_PRINTF_TOKEN 340 +#define PARS_COMMIT_TOKEN 341 +#define PARS_ROLLBACK_TOKEN 342 +#define PARS_WORK_TOKEN 343 +#define PARS_UNSIGNED_TOKEN 344 +#define PARS_EXIT_TOKEN 345 +#define PARS_FUNCTION_TOKEN 346 +#define PARS_LOCK_TOKEN 347 +#define PARS_SHARE_TOKEN 348 +#define PARS_MODE_TOKEN 349 +#define NEG 350 + + + + +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +typedef int YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + +extern YYSTYPE yylval; + + + diff --git a/perfschema/include/pars0opt.h b/perfschema/include/pars0opt.h new file mode 100644 index 00000000000..42d956068f8 --- /dev/null +++ b/perfschema/include/pars0opt.h @@ -0,0 +1,75 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0opt.h +Simple SQL optimizer + +Created 12/21/1997 Heikki Tuuri +*******************************************************/ + +#ifndef pars0opt_h +#define pars0opt_h + +#include "univ.i" +#include "que0types.h" +#include "usr0types.h" +#include "pars0sym.h" +#include "dict0types.h" +#include "row0sel.h" + +/*******************************************************************//** +Optimizes a select. Decides which indexes to tables to use. The tables +are accessed in the order that they were written to the FROM part in the +select statement. */ +UNIV_INTERN +void +opt_search_plan( +/*============*/ + sel_node_t* sel_node); /*!< in: parsed select node */ +/*******************************************************************//** +Looks for occurrences of the columns of the table in the query subgraph and +adds them to the list of columns if an occurrence of the same column does not +already exist in the list. If the column is already in the list, puts a value +indirection to point to the occurrence in the column list, except if the +column occurrence we are looking at is in the column list, in which case +nothing is done. */ +UNIV_INTERN +void +opt_find_all_cols( +/*==============*/ + ibool copy_val, /*!< in: if TRUE, new found columns are + added as columns to copy */ + dict_index_t* index, /*!< in: index to use */ + sym_node_list_t* col_list, /*!< in: base node of a list where + to add new found columns */ + plan_t* plan, /*!< in: plan or NULL */ + que_node_t* exp); /*!< in: expression or condition */ +/********************************************************************//** +Prints info of a query plan. */ +UNIV_INTERN +void +opt_print_query_plan( +/*=================*/ + sel_node_t* sel_node); /*!< in: select node */ + +#ifndef UNIV_NONINL +#include "pars0opt.ic" +#endif + +#endif diff --git a/perfschema/include/pars0opt.ic b/perfschema/include/pars0opt.ic new file mode 100644 index 00000000000..e0bb6bf1af2 --- /dev/null +++ b/perfschema/include/pars0opt.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0opt.ic +Simple SQL optimizer + +Created 12/21/1997 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/pars0pars.h b/perfschema/include/pars0pars.h new file mode 100644 index 00000000000..fe5d76ebbb0 --- /dev/null +++ b/perfschema/include/pars0pars.h @@ -0,0 +1,748 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0pars.h +SQL parser + +Created 11/19/1996 Heikki Tuuri +*******************************************************/ + +#ifndef pars0pars_h +#define pars0pars_h + +#include "univ.i" +#include "que0types.h" +#include "usr0types.h" +#include "pars0types.h" +#include "row0types.h" +#include "trx0types.h" +#include "ut0vec.h" + +/** Type of the user functions. The first argument is always InnoDB-supplied +and varies in type, while 'user_arg' is a user-supplied argument. The +meaning of the return type also varies. See the individual use cases, e.g. +the FETCH statement, for details on them. */ +typedef void* (*pars_user_func_cb_t)(void* arg, void* user_arg); + +/** If the following is set TRUE, the parser will emit debugging +information */ +extern int yydebug; + +#ifdef UNIV_SQL_DEBUG +/** If the following is set TRUE, the lexer will print the SQL string +as it tokenizes it */ +extern ibool pars_print_lexed; +#endif /* UNIV_SQL_DEBUG */ + +/* Global variable used while parsing a single procedure or query : the code is +NOT re-entrant */ +extern sym_tab_t* pars_sym_tab_global; + +extern pars_res_word_t pars_to_char_token; +extern pars_res_word_t pars_to_number_token; +extern pars_res_word_t pars_to_binary_token; +extern pars_res_word_t pars_binary_to_number_token; +extern pars_res_word_t pars_substr_token; +extern pars_res_word_t pars_replstr_token; +extern pars_res_word_t pars_concat_token; +extern pars_res_word_t pars_length_token; +extern pars_res_word_t pars_instr_token; +extern pars_res_word_t pars_sysdate_token; +extern pars_res_word_t pars_printf_token; +extern pars_res_word_t pars_assert_token; +extern pars_res_word_t pars_rnd_token; +extern pars_res_word_t pars_rnd_str_token; +extern pars_res_word_t pars_count_token; +extern pars_res_word_t pars_sum_token; +extern pars_res_word_t pars_distinct_token; +extern pars_res_word_t pars_binary_token; +extern pars_res_word_t pars_blob_token; +extern pars_res_word_t pars_int_token; +extern pars_res_word_t pars_char_token; +extern pars_res_word_t pars_float_token; +extern pars_res_word_t pars_update_token; +extern pars_res_word_t pars_asc_token; +extern pars_res_word_t pars_desc_token; +extern pars_res_word_t pars_open_token; +extern pars_res_word_t pars_close_token; +extern pars_res_word_t pars_share_token; +extern pars_res_word_t pars_unique_token; +extern pars_res_word_t pars_clustered_token; + +extern ulint pars_star_denoter; + +/* Procedure parameter types */ +#define PARS_INPUT 0 +#define PARS_OUTPUT 1 +#define PARS_NOT_PARAM 2 + +int +yyparse(void); + +/*************************************************************//** +Parses an SQL string returning the query graph. +@return own: the query graph */ +UNIV_INTERN +que_t* +pars_sql( +/*=====*/ + pars_info_t* info, /*!< in: extra information, or NULL */ + const char* str); /*!< in: SQL string */ +/*************************************************************//** +Retrieves characters to the lexical analyzer. */ +UNIV_INTERN +void +pars_get_lex_chars( +/*===============*/ + char* buf, /*!< in/out: buffer where to copy */ + int* result, /*!< out: number of characters copied or EOF */ + int max_size); /*!< in: maximum number of characters which fit + in the buffer */ +/*************************************************************//** +Called by yyparse on error. */ +UNIV_INTERN +void +yyerror( +/*====*/ + const char* s); /*!< in: error message string */ +/*********************************************************************//** +Parses a variable declaration. +@return own: symbol table node of type SYM_VAR */ +UNIV_INTERN +sym_node_t* +pars_variable_declaration( +/*======================*/ + sym_node_t* node, /*!< in: symbol table node allocated for the + id of the variable */ + pars_res_word_t* type); /*!< in: pointer to a type token */ +/*********************************************************************//** +Parses a function expression. +@return own: function node in a query tree */ +UNIV_INTERN +func_node_t* +pars_func( +/*======*/ + que_node_t* res_word,/*!< in: function name reserved word */ + que_node_t* arg); /*!< in: first argument in the argument list */ +/*********************************************************************//** +Parses an operator expression. +@return own: function node in a query tree */ +UNIV_INTERN +func_node_t* +pars_op( +/*====*/ + int func, /*!< in: operator token code */ + que_node_t* arg1, /*!< in: first argument */ + que_node_t* arg2); /*!< in: second argument or NULL for an unary + operator */ +/*********************************************************************//** +Parses an ORDER BY clause. Order by a single column only is supported. +@return own: order-by node in a query tree */ +UNIV_INTERN +order_node_t* +pars_order_by( +/*==========*/ + sym_node_t* column, /*!< in: column name */ + pars_res_word_t* asc); /*!< in: &pars_asc_token or pars_desc_token */ +/*********************************************************************//** +Parses a select list; creates a query graph node for the whole SELECT +statement. +@return own: select node in a query tree */ +UNIV_INTERN +sel_node_t* +pars_select_list( +/*=============*/ + que_node_t* select_list, /*!< in: select list */ + sym_node_t* into_list); /*!< in: variables list or NULL */ +/*********************************************************************//** +Parses a cursor declaration. +@return sym_node */ +UNIV_INTERN +que_node_t* +pars_cursor_declaration( +/*====================*/ + sym_node_t* sym_node, /*!< in: cursor id node in the symbol + table */ + sel_node_t* select_node); /*!< in: select node */ +/*********************************************************************//** +Parses a function declaration. +@return sym_node */ +UNIV_INTERN +que_node_t* +pars_function_declaration( +/*======================*/ + sym_node_t* sym_node); /*!< in: function id node in the symbol + table */ +/*********************************************************************//** +Parses a select statement. +@return own: select node in a query tree */ +UNIV_INTERN +sel_node_t* +pars_select_statement( +/*==================*/ + sel_node_t* select_node, /*!< in: select node already containing + the select list */ + sym_node_t* table_list, /*!< in: table list */ + que_node_t* search_cond, /*!< in: search condition or NULL */ + pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ + pars_res_word_t* consistent_read,/*!< in: NULL or + &pars_consistent_token */ + order_node_t* order_by); /*!< in: NULL or an order-by node */ +/*********************************************************************//** +Parses a column assignment in an update. +@return column assignment node */ +UNIV_INTERN +col_assign_node_t* +pars_column_assignment( +/*===================*/ + sym_node_t* column, /*!< in: column to assign */ + que_node_t* exp); /*!< in: value to assign */ +/*********************************************************************//** +Parses a delete or update statement start. +@return own: update node in a query tree */ +UNIV_INTERN +upd_node_t* +pars_update_statement_start( +/*========================*/ + ibool is_delete, /*!< in: TRUE if delete */ + sym_node_t* table_sym, /*!< in: table name node */ + col_assign_node_t* col_assign_list);/*!< in: column assignment list, NULL + if delete */ +/*********************************************************************//** +Parses an update or delete statement. +@return own: update node in a query tree */ +UNIV_INTERN +upd_node_t* +pars_update_statement( +/*==================*/ + upd_node_t* node, /*!< in: update node */ + sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in + the symbol table or NULL */ + que_node_t* search_cond); /*!< in: search condition or NULL */ +/*********************************************************************//** +Parses an insert statement. +@return own: update node in a query tree */ +UNIV_INTERN +ins_node_t* +pars_insert_statement( +/*==================*/ + sym_node_t* table_sym, /*!< in: table name node */ + que_node_t* values_list, /*!< in: value expression list or NULL */ + sel_node_t* select); /*!< in: select condition or NULL */ +/*********************************************************************//** +Parses a procedure parameter declaration. +@return own: symbol table node of type SYM_VAR */ +UNIV_INTERN +sym_node_t* +pars_parameter_declaration( +/*=======================*/ + sym_node_t* node, /*!< in: symbol table node allocated for the + id of the parameter */ + ulint param_type, + /*!< in: PARS_INPUT or PARS_OUTPUT */ + pars_res_word_t* type); /*!< in: pointer to a type token */ +/*********************************************************************//** +Parses an elsif element. +@return elsif node */ +UNIV_INTERN +elsif_node_t* +pars_elsif_element( +/*===============*/ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list); /*!< in: statement list */ +/*********************************************************************//** +Parses an if-statement. +@return if-statement node */ +UNIV_INTERN +if_node_t* +pars_if_statement( +/*==============*/ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list, /*!< in: statement list */ + que_node_t* else_part); /*!< in: else-part statement list */ +/*********************************************************************//** +Parses a for-loop-statement. +@return for-statement node */ +UNIV_INTERN +for_node_t* +pars_for_statement( +/*===============*/ + sym_node_t* loop_var, /*!< in: loop variable */ + que_node_t* loop_start_limit,/*!< in: loop start expression */ + que_node_t* loop_end_limit, /*!< in: loop end expression */ + que_node_t* stat_list); /*!< in: statement list */ +/*********************************************************************//** +Parses a while-statement. +@return while-statement node */ +UNIV_INTERN +while_node_t* +pars_while_statement( +/*=================*/ + que_node_t* cond, /*!< in: while-condition */ + que_node_t* stat_list); /*!< in: statement list */ +/*********************************************************************//** +Parses an exit statement. +@return exit statement node */ +UNIV_INTERN +exit_node_t* +pars_exit_statement(void); +/*=====================*/ +/*********************************************************************//** +Parses a return-statement. +@return return-statement node */ +UNIV_INTERN +return_node_t* +pars_return_statement(void); +/*=======================*/ +/*********************************************************************//** +Parses a procedure call. +@return function node */ +UNIV_INTERN +func_node_t* +pars_procedure_call( +/*================*/ + que_node_t* res_word,/*!< in: procedure name reserved word */ + que_node_t* args); /*!< in: argument list */ +/*********************************************************************//** +Parses an assignment statement. +@return assignment statement node */ +UNIV_INTERN +assign_node_t* +pars_assignment_statement( +/*======================*/ + sym_node_t* var, /*!< in: variable to assign */ + que_node_t* val); /*!< in: value to assign */ +/*********************************************************************//** +Parses a fetch statement. into_list or user_func (but not both) must be +non-NULL. +@return fetch statement node */ +UNIV_INTERN +fetch_node_t* +pars_fetch_statement( +/*=================*/ + sym_node_t* cursor, /*!< in: cursor node */ + sym_node_t* into_list, /*!< in: variables to set, or NULL */ + sym_node_t* user_func); /*!< in: user function name, or NULL */ +/*********************************************************************//** +Parses an open or close cursor statement. +@return fetch statement node */ +UNIV_INTERN +open_node_t* +pars_open_statement( +/*================*/ + ulint type, /*!< in: ROW_SEL_OPEN_CURSOR + or ROW_SEL_CLOSE_CURSOR */ + sym_node_t* cursor); /*!< in: cursor node */ +/*********************************************************************//** +Parses a row_printf-statement. +@return row_printf-statement node */ +UNIV_INTERN +row_printf_node_t* +pars_row_printf_statement( +/*======================*/ + sel_node_t* sel_node); /*!< in: select node */ +/*********************************************************************//** +Parses a commit statement. +@return own: commit node struct */ +UNIV_INTERN +commit_node_t* +pars_commit_statement(void); +/*=======================*/ +/*********************************************************************//** +Parses a rollback statement. +@return own: rollback node struct */ +UNIV_INTERN +roll_node_t* +pars_rollback_statement(void); +/*=========================*/ +/*********************************************************************//** +Parses a column definition at a table creation. +@return column sym table node */ +UNIV_INTERN +sym_node_t* +pars_column_def( +/*============*/ + sym_node_t* sym_node, /*!< in: column node in the + symbol table */ + pars_res_word_t* type, /*!< in: data type */ + sym_node_t* len, /*!< in: length of column, or + NULL */ + void* is_unsigned, /*!< in: if not NULL, column + is of type UNSIGNED. */ + void* is_not_null); /*!< in: if not NULL, column + is of type NOT NULL. */ +/*********************************************************************//** +Parses a table creation operation. +@return table create subgraph */ +UNIV_INTERN +tab_node_t* +pars_create_table( +/*==============*/ + sym_node_t* table_sym, /*!< in: table name node in the symbol + table */ + sym_node_t* column_defs, /*!< in: list of column names */ + void* not_fit_in_memory);/*!< in: a non-NULL pointer means that + this is a table which in simulations + should be simulated as not fitting + in memory; thread is put to sleep + to simulate disk accesses; NOTE that + this flag is not stored to the data + dictionary on disk, and the database + will forget about non-NULL value if + it has to reload the table definition + from disk */ +/*********************************************************************//** +Parses an index creation operation. +@return index create subgraph */ +UNIV_INTERN +ind_node_t* +pars_create_index( +/*==============*/ + pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ + pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ + sym_node_t* index_sym, /*!< in: index name node in the symbol + table */ + sym_node_t* table_sym, /*!< in: table name node in the symbol + table */ + sym_node_t* column_list); /*!< in: list of column names */ +/*********************************************************************//** +Parses a procedure definition. +@return query fork node */ +UNIV_INTERN +que_fork_t* +pars_procedure_definition( +/*======================*/ + sym_node_t* sym_node, /*!< in: procedure id node in the symbol + table */ + sym_node_t* param_list, /*!< in: parameter declaration list */ + que_node_t* stat_list); /*!< in: statement list */ + +/*************************************************************//** +Parses a stored procedure call, when this is not within another stored +procedure, that is, the client issues a procedure call directly. +In MySQL/InnoDB, stored InnoDB procedures are invoked via the +parsed procedure tree, not via InnoDB SQL, so this function is not used. +@return query graph */ +UNIV_INTERN +que_fork_t* +pars_stored_procedure_call( +/*=======================*/ + sym_node_t* sym_node); /*!< in: stored procedure name */ +/******************************************************************//** +Completes a query graph by adding query thread and fork nodes +above it and prepares the graph for running. The fork created is of +type QUE_FORK_MYSQL_INTERFACE. +@return query thread node to run */ +UNIV_INTERN +que_thr_t* +pars_complete_graph_for_exec( +/*=========================*/ + que_node_t* node, /*!< in: root node for an incomplete + query graph */ + trx_t* trx, /*!< in: transaction handle */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ + +/****************************************************************//** +Create parser info struct. +@return own: info struct */ +UNIV_INTERN +pars_info_t* +pars_info_create(void); +/*==================*/ + +/****************************************************************//** +Free info struct and everything it contains. */ +UNIV_INTERN +void +pars_info_free( +/*===========*/ + pars_info_t* info); /*!< in, own: info struct */ + +/****************************************************************//** +Add bound literal. */ +UNIV_INTERN +void +pars_info_add_literal( +/*==================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const void* address, /*!< in: address */ + ulint length, /*!< in: length of data */ + ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ + ulint prtype); /*!< in: precise type, e.g. + DATA_UNSIGNED */ + +/****************************************************************//** +Equivalent to pars_info_add_literal(info, name, str, strlen(str), +DATA_VARCHAR, DATA_ENGLISH). */ +UNIV_INTERN +void +pars_info_add_str_literal( +/*======================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* str); /*!< in: string */ + +/****************************************************************//** +Equivalent to: + +char buf[4]; +mach_write_to_4(buf, val); +pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_int4_literal( +/*=======================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + lint val); /*!< in: value */ + +/****************************************************************//** +Equivalent to: + +char buf[8]; +mach_write_to_8(buf, val); +pars_info_add_literal(info, name, buf, 8, DATA_BINARY, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_dulint_literal( +/*=========================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + dulint val); /*!< in: value */ +/****************************************************************//** +Add user function. */ +UNIV_INTERN +void +pars_info_add_function( +/*===================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: function name */ + pars_user_func_cb_t func, /*!< in: function address */ + void* arg); /*!< in: user-supplied argument */ + +/****************************************************************//** +Add bound id. */ +UNIV_INTERN +void +pars_info_add_id( +/*=============*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* id); /*!< in: id */ + +/****************************************************************//** +Get user function with the given name. +@return user func, or NULL if not found */ +UNIV_INTERN +pars_user_func_t* +pars_info_get_user_func( +/*====================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: function name to find*/ + +/****************************************************************//** +Get bound literal with the given name. +@return bound literal, or NULL if not found */ +UNIV_INTERN +pars_bound_lit_t* +pars_info_get_bound_lit( +/*====================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: bound literal name to find */ + +/****************************************************************//** +Get bound id with the given name. +@return bound id, or NULL if not found */ +UNIV_INTERN +pars_bound_id_t* +pars_info_get_bound_id( +/*===================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name); /*!< in: bound id name to find */ + +/******************************************************************//** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void); +/*==================*/ + +/** Extra information supplied for pars_sql(). */ +struct pars_info_struct { + mem_heap_t* heap; /*!< our own memory heap */ + + ib_vector_t* funcs; /*!< user functions, or NUll + (pars_user_func_t*) */ + ib_vector_t* bound_lits; /*!< bound literals, or NULL + (pars_bound_lit_t*) */ + ib_vector_t* bound_ids; /*!< bound ids, or NULL + (pars_bound_id_t*) */ + + ibool graph_owns_us; /*!< if TRUE (which is the default), + que_graph_free() will free us */ +}; + +/** User-supplied function and argument. */ +struct pars_user_func_struct { + const char* name; /*!< function name */ + pars_user_func_cb_t func; /*!< function address */ + void* arg; /*!< user-supplied argument */ +}; + +/** Bound literal. */ +struct pars_bound_lit_struct { + const char* name; /*!< name */ + const void* address; /*!< address */ + ulint length; /*!< length of data */ + ulint type; /*!< type, e.g. DATA_FIXBINARY */ + ulint prtype; /*!< precise type, e.g. DATA_UNSIGNED */ +}; + +/** Bound identifier. */ +struct pars_bound_id_struct { + const char* name; /*!< name */ + const char* id; /*!< identifier */ +}; + +/** Struct used to denote a reserved word in a parsing tree */ +struct pars_res_word_struct{ + int code; /*!< the token code for the reserved word from + pars0grm.h */ +}; + +/** A predefined function or operator node in a parsing tree; this construct +is also used for some non-functions like the assignment ':=' */ +struct func_node_struct{ + que_common_t common; /*!< type: QUE_NODE_FUNC */ + int func; /*!< token code of the function name */ + ulint class; /*!< class of the function */ + que_node_t* args; /*!< argument(s) of the function */ + UT_LIST_NODE_T(func_node_t) cond_list; + /*!< list of comparison conditions; defined + only for comparison operator nodes except, + presently, for OPT_SCROLL_TYPE ones */ + UT_LIST_NODE_T(func_node_t) func_node_list; + /*!< list of function nodes in a parsed + query graph */ +}; + +/** An order-by node in a select */ +struct order_node_struct{ + que_common_t common; /*!< type: QUE_NODE_ORDER */ + sym_node_t* column; /*!< order-by column */ + ibool asc; /*!< TRUE if ascending, FALSE if descending */ +}; + +/** Procedure definition node */ +struct proc_node_struct{ + que_common_t common; /*!< type: QUE_NODE_PROC */ + sym_node_t* proc_id; /*!< procedure name symbol in the symbol + table of this same procedure */ + sym_node_t* param_list; /*!< input and output parameters */ + que_node_t* stat_list; /*!< statement list */ + sym_tab_t* sym_tab; /*!< symbol table of this procedure */ +}; + +/** elsif-element node */ +struct elsif_node_struct{ + que_common_t common; /*!< type: QUE_NODE_ELSIF */ + que_node_t* cond; /*!< if condition */ + que_node_t* stat_list; /*!< statement list */ +}; + +/** if-statement node */ +struct if_node_struct{ + que_common_t common; /*!< type: QUE_NODE_IF */ + que_node_t* cond; /*!< if condition */ + que_node_t* stat_list; /*!< statement list */ + que_node_t* else_part; /*!< else-part statement list */ + elsif_node_t* elsif_list; /*!< elsif element list */ +}; + +/** while-statement node */ +struct while_node_struct{ + que_common_t common; /*!< type: QUE_NODE_WHILE */ + que_node_t* cond; /*!< while condition */ + que_node_t* stat_list; /*!< statement list */ +}; + +/** for-loop-statement node */ +struct for_node_struct{ + que_common_t common; /*!< type: QUE_NODE_FOR */ + sym_node_t* loop_var; /*!< loop variable: this is the + dereferenced symbol from the + variable declarations, not the + symbol occurrence in the for loop + definition */ + que_node_t* loop_start_limit;/*!< initial value of loop variable */ + que_node_t* loop_end_limit; /*!< end value of loop variable */ + lint loop_end_value; /*!< evaluated value for the end value: + it is calculated only when the loop + is entered, and will not change within + the loop */ + que_node_t* stat_list; /*!< statement list */ +}; + +/** exit statement node */ +struct exit_node_struct{ + que_common_t common; /*!< type: QUE_NODE_EXIT */ +}; + +/** return-statement node */ +struct return_node_struct{ + que_common_t common; /*!< type: QUE_NODE_RETURN */ +}; + +/** Assignment statement node */ +struct assign_node_struct{ + que_common_t common; /*!< type: QUE_NODE_ASSIGNMENT */ + sym_node_t* var; /*!< variable to set */ + que_node_t* val; /*!< value to assign */ +}; + +/** Column assignment node */ +struct col_assign_node_struct{ + que_common_t common; /*!< type: QUE_NODE_COL_ASSIGN */ + sym_node_t* col; /*!< column to set */ + que_node_t* val; /*!< value to assign */ +}; + +/** Classes of functions */ +/* @{ */ +#define PARS_FUNC_ARITH 1 /*!< +, -, *, / */ +#define PARS_FUNC_LOGICAL 2 /*!< AND, OR, NOT */ +#define PARS_FUNC_CMP 3 /*!< comparison operators */ +#define PARS_FUNC_PREDEFINED 4 /*!< TO_NUMBER, SUBSTR, ... */ +#define PARS_FUNC_AGGREGATE 5 /*!< COUNT, DISTINCT, SUM */ +#define PARS_FUNC_OTHER 6 /*!< these are not real functions, + e.g., := */ +/* @} */ + +#ifndef UNIV_NONINL +#include "pars0pars.ic" +#endif + +#endif diff --git a/perfschema/include/pars0pars.ic b/perfschema/include/pars0pars.ic new file mode 100644 index 00000000000..ae6c13cd671 --- /dev/null +++ b/perfschema/include/pars0pars.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0pars.ic +SQL parser + +Created 11/19/1996 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/pars0sym.h b/perfschema/include/pars0sym.h new file mode 100644 index 00000000000..6d1a4b82414 --- /dev/null +++ b/perfschema/include/pars0sym.h @@ -0,0 +1,244 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0sym.h +SQL parser symbol table + +Created 12/15/1997 Heikki Tuuri +*******************************************************/ + +#ifndef pars0sym_h +#define pars0sym_h + +#include "univ.i" +#include "que0types.h" +#include "usr0types.h" +#include "dict0types.h" +#include "pars0types.h" +#include "row0types.h" + +/******************************************************************//** +Creates a symbol table for a single stored procedure or query. +@return own: symbol table */ +UNIV_INTERN +sym_tab_t* +sym_tab_create( +/*===========*/ + mem_heap_t* heap); /*!< in: memory heap where to create */ +/******************************************************************//** +Frees the memory allocated dynamically AFTER parsing phase for variables +etc. in the symbol table. Does not free the mem heap where the table was +originally created. Frees also SQL explicit cursor definitions. */ +UNIV_INTERN +void +sym_tab_free_private( +/*=================*/ + sym_tab_t* sym_tab); /*!< in, own: symbol table */ +/******************************************************************//** +Adds an integer literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_int_lit( +/*================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + ulint val); /*!< in: integer value */ +/******************************************************************//** +Adds an string literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_str_lit( +/*================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* str, /*!< in: string with no quotes around + it */ + ulint len); /*!< in: string length */ +/******************************************************************//** +Add a bound literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_bound_lit( +/*==================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name, /*!< in: name of bound literal */ + ulint* lit_type); /*!< out: type of literal (PARS_*_LIT) */ +/******************************************************************//** +Adds an SQL null literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_null_lit( +/*=================*/ + sym_tab_t* sym_tab); /*!< in: symbol table */ +/******************************************************************//** +Adds an identifier to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_id( +/*===========*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* name, /*!< in: identifier name */ + ulint len); /*!< in: identifier length */ + +/******************************************************************//** +Add a bound identifier to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_bound_id( +/*===========*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name); /*!< in: name of bound id */ + +/** Index of sym_node_struct::field_nos corresponding to the clustered index */ +#define SYM_CLUST_FIELD_NO 0 +/** Index of sym_node_struct::field_nos corresponding to a secondary index */ +#define SYM_SEC_FIELD_NO 1 + +/** Types of a symbol table node */ +enum sym_tab_entry { + SYM_VAR = 91, /*!< declared parameter or local + variable of a procedure */ + SYM_IMPLICIT_VAR, /*!< storage for a intermediate result + of a calculation */ + SYM_LIT, /*!< literal */ + SYM_TABLE, /*!< database table name */ + SYM_COLUMN, /*!< database table name */ + SYM_CURSOR, /*!< named cursor */ + SYM_PROCEDURE_NAME, /*!< stored procedure name */ + SYM_INDEX, /*!< database index name */ + SYM_FUNCTION /*!< user function name */ +}; + +/** Symbol table node */ +struct sym_node_struct{ + que_common_t common; /*!< node type: + QUE_NODE_SYMBOL */ + /* NOTE: if the data field in 'common.val' is not NULL and the symbol + table node is not for a temporary column, the memory for the value has + been allocated from dynamic memory and it should be freed when the + symbol table is discarded */ + + /* 'alias' and 'indirection' are almost the same, but not quite. + 'alias' always points to the primary instance of the variable, while + 'indirection' does the same only if we should use the primary + instance's values for the node's data. This is usually the case, but + when initializing a cursor (e.g., "DECLARE CURSOR c IS SELECT * FROM + t WHERE id = x;"), we copy the values from the primary instance to + the cursor's instance so that they are fixed for the duration of the + cursor, and set 'indirection' to NULL. If we did not, the value of + 'x' could change between fetches and things would break horribly. + + TODO: It would be cleaner to make 'indirection' a boolean field and + always use 'alias' to refer to the primary node. */ + + sym_node_t* indirection; /*!< pointer to + another symbol table + node which contains + the value for this + node, NULL otherwise */ + sym_node_t* alias; /*!< pointer to + another symbol table + node for which this + node is an alias, + NULL otherwise */ + UT_LIST_NODE_T(sym_node_t) col_var_list; /*!< list of table + columns or a list of + input variables for an + explicit cursor */ + ibool copy_val; /*!< TRUE if a column + and its value should + be copied to dynamic + memory when fetched */ + ulint field_nos[2]; /*!< if a column, in + the position + SYM_CLUST_FIELD_NO is + the field number in the + clustered index; in + the position + SYM_SEC_FIELD_NO + the field number in the + non-clustered index to + use first; if not found + from the index, then + ULINT_UNDEFINED */ + ibool resolved; /*!< TRUE if the + meaning of a variable + or a column has been + resolved; for literals + this is always TRUE */ + enum sym_tab_entry token_type; /*!< type of the + parsed token */ + const char* name; /*!< name of an id */ + ulint name_len; /*!< id name length */ + dict_table_t* table; /*!< table definition + if a table id or a + column id */ + ulint col_no; /*!< column number if a + column */ + sel_buf_t* prefetch_buf; /*!< NULL, or a buffer + for cached column + values for prefetched + rows */ + sel_node_t* cursor_def; /*!< cursor definition + select node if a + named cursor */ + ulint param_type; /*!< PARS_INPUT, + PARS_OUTPUT, or + PARS_NOT_PARAM if not a + procedure parameter */ + sym_tab_t* sym_table; /*!< back pointer to + the symbol table */ + UT_LIST_NODE_T(sym_node_t) sym_list; /*!< list of symbol + nodes */ +}; + +/** Symbol table */ +struct sym_tab_struct{ + que_t* query_graph; + /*!< query graph generated by the + parser */ + const char* sql_string; + /*!< SQL string to parse */ + size_t string_len; + /*!< SQL string length */ + int next_char_pos; + /*!< position of the next character in + sql_string to give to the lexical + analyzer */ + pars_info_t* info; /*!< extra information, or NULL */ + sym_node_list_t sym_list; + /*!< list of symbol nodes in the symbol + table */ + UT_LIST_BASE_NODE_T(func_node_t) + func_node_list; + /*!< list of function nodes in the + parsed query graph */ + mem_heap_t* heap; /*!< memory heap from which we can + allocate space */ +}; + +#ifndef UNIV_NONINL +#include "pars0sym.ic" +#endif + +#endif diff --git a/perfschema/include/pars0sym.ic b/perfschema/include/pars0sym.ic new file mode 100644 index 00000000000..9eb09db3a47 --- /dev/null +++ b/perfschema/include/pars0sym.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0sym.ic +SQL parser symbol table + +Created 12/15/1997 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/pars0types.h b/perfschema/include/pars0types.h new file mode 100644 index 00000000000..e0a8a86bf07 --- /dev/null +++ b/perfschema/include/pars0types.h @@ -0,0 +1,50 @@ +/***************************************************************************** + +Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/pars0types.h +SQL parser global types + +Created 1/11/1998 Heikki Tuuri +*******************************************************/ + +#ifndef pars0types_h +#define pars0types_h + +typedef struct pars_info_struct pars_info_t; +typedef struct pars_user_func_struct pars_user_func_t; +typedef struct pars_bound_lit_struct pars_bound_lit_t; +typedef struct pars_bound_id_struct pars_bound_id_t; +typedef struct sym_node_struct sym_node_t; +typedef struct sym_tab_struct sym_tab_t; +typedef struct pars_res_word_struct pars_res_word_t; +typedef struct func_node_struct func_node_t; +typedef struct order_node_struct order_node_t; +typedef struct proc_node_struct proc_node_t; +typedef struct elsif_node_struct elsif_node_t; +typedef struct if_node_struct if_node_t; +typedef struct while_node_struct while_node_t; +typedef struct for_node_struct for_node_t; +typedef struct exit_node_struct exit_node_t; +typedef struct return_node_struct return_node_t; +typedef struct assign_node_struct assign_node_t; +typedef struct col_assign_node_struct col_assign_node_t; + +typedef UT_LIST_BASE_NODE_T(sym_node_t) sym_node_list_t; + +#endif diff --git a/perfschema/include/que0que.h b/perfschema/include/que0que.h new file mode 100644 index 00000000000..39f8d07af89 --- /dev/null +++ b/perfschema/include/que0que.h @@ -0,0 +1,524 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/que0que.h +Query graph + +Created 5/27/1996 Heikki Tuuri +*******************************************************/ + +#ifndef que0que_h +#define que0que_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "srv0srv.h" +#include "usr0types.h" +#include "que0types.h" +#include "row0types.h" +#include "pars0types.h" + +/* If the following flag is set TRUE, the module will print trace info +of SQL execution in the UNIV_SQL_DEBUG version */ +extern ibool que_trace_on; + +/***********************************************************************//** +Adds a query graph to the session's list of graphs. */ +UNIV_INTERN +void +que_graph_publish( +/*==============*/ + que_t* graph, /*!< in: graph */ + sess_t* sess); /*!< in: session */ +/***********************************************************************//** +Creates a query graph fork node. +@return own: fork node */ +UNIV_INTERN +que_fork_t* +que_fork_create( +/*============*/ + que_t* graph, /*!< in: graph, if NULL then this + fork node is assumed to be the + graph root */ + que_node_t* parent, /*!< in: parent node */ + ulint fork_type, /*!< in: fork type */ + mem_heap_t* heap); /*!< in: memory heap where created */ +/***********************************************************************//** +Gets the first thr in a fork. */ +UNIV_INLINE +que_thr_t* +que_fork_get_first_thr( +/*===================*/ + que_fork_t* fork); /*!< in: query fork */ +/***********************************************************************//** +Gets the child node of the first thr in a fork. */ +UNIV_INLINE +que_node_t* +que_fork_get_child( +/*===============*/ + que_fork_t* fork); /*!< in: query fork */ +/***********************************************************************//** +Sets the parent of a graph node. */ +UNIV_INLINE +void +que_node_set_parent( +/*================*/ + que_node_t* node, /*!< in: graph node */ + que_node_t* parent);/*!< in: parent */ +/***********************************************************************//** +Creates a query graph thread node. +@return own: query thread node */ +UNIV_INTERN +que_thr_t* +que_thr_create( +/*===========*/ + que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ + mem_heap_t* heap); /*!< in: memory heap where created */ +/**********************************************************************//** +Frees a query graph, but not the heap where it was created. Does not free +explicit cursor declarations, they are freed in que_graph_free. */ +UNIV_INTERN +void +que_graph_free_recursive( +/*=====================*/ + que_node_t* node); /*!< in: query graph node */ +/**********************************************************************//** +Frees a query graph. */ +UNIV_INTERN +void +que_graph_free( +/*===========*/ + que_t* graph); /*!< in: query graph; we assume that the memory + heap where this graph was created is private + to this graph: if not, then use + que_graph_free_recursive and free the heap + afterwards! */ +/**********************************************************************//** +Stops a query thread if graph or trx is in a state requiring it. The +conditions are tested in the order (1) graph, (2) trx. The kernel mutex has +to be reserved. +@return TRUE if stopped */ +UNIV_INTERN +ibool +que_thr_stop( +/*=========*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Moves a thread from another state to the QUE_THR_RUNNING state. Increments +the n_active_thrs counters of the query graph and transaction. */ +UNIV_INTERN +void +que_thr_move_to_run_state_for_mysql( +/*================================*/ + que_thr_t* thr, /*!< in: an query thread */ + trx_t* trx); /*!< in: transaction */ +/**********************************************************************//** +A patch for MySQL used to 'stop' a dummy query thread used in MySQL +select, when there is no error or lock wait. */ +UNIV_INTERN +void +que_thr_stop_for_mysql_no_error( +/*============================*/ + que_thr_t* thr, /*!< in: query thread */ + trx_t* trx); /*!< in: transaction */ +/**********************************************************************//** +A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The +query thread is stopped and made inactive, except in the case where +it was put to the lock wait state in lock0lock.c, but the lock has already +been granted or the transaction chosen as a victim in deadlock resolution. */ +UNIV_INTERN +void +que_thr_stop_for_mysql( +/*===================*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Run a query thread. Handles lock waits. */ +UNIV_INTERN +void +que_run_threads( +/*============*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +After signal handling is finished, returns control to a query graph error +handling routine. (Currently, just returns the control to the root of the +graph so that the graph can communicate an error message to the client.) */ +UNIV_INTERN +void +que_fork_error_handle( +/*==================*/ + trx_t* trx, /*!< in: trx */ + que_t* fork); /*!< in: query graph which was run before signal + handling started, NULL not allowed */ +/**********************************************************************//** +Moves a suspended query thread to the QUE_THR_RUNNING state and releases +a single worker thread to execute it. This function should be used to end +the wait state of a query thread waiting for a lock or a stored procedure +completion. */ +UNIV_INTERN +void +que_thr_end_wait( +/*=============*/ + que_thr_t* thr, /*!< in: query thread in the + QUE_THR_LOCK_WAIT, + or QUE_THR_PROCEDURE_WAIT, or + QUE_THR_SIG_REPLY_WAIT state */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +/**********************************************************************//** +Same as que_thr_end_wait, but no parameter next_thr available. */ +UNIV_INTERN +void +que_thr_end_wait_no_next_thr( +/*=========================*/ + que_thr_t* thr); /*!< in: query thread in the + QUE_THR_LOCK_WAIT, + or QUE_THR_PROCEDURE_WAIT, or + QUE_THR_SIG_REPLY_WAIT state */ +/**********************************************************************//** +Starts execution of a command in a query fork. Picks a query thread which +is not in the QUE_THR_RUNNING state and moves it to that state. If none +can be chosen, a situation which may arise in parallelized fetches, NULL +is returned. +@return a query thread of the graph moved to QUE_THR_RUNNING state, or +NULL; the query thread should be executed by que_run_threads by the +caller */ +UNIV_INTERN +que_thr_t* +que_fork_start_command( +/*===================*/ + que_fork_t* fork); /*!< in: a query fork */ +/***********************************************************************//** +Gets the trx of a query thread. */ +UNIV_INLINE +trx_t* +thr_get_trx( +/*========*/ + que_thr_t* thr); /*!< in: query thread */ +/*******************************************************************//** +Determines if this thread is rolling back an incomplete transaction +in crash recovery. +@return TRUE if thr is rolling back an incomplete transaction in crash +recovery */ +UNIV_INLINE +ibool +thr_is_recv( +/*========*/ + const que_thr_t* thr); /*!< in: query thread */ +/***********************************************************************//** +Gets the type of a graph node. */ +UNIV_INLINE +ulint +que_node_get_type( +/*==============*/ + que_node_t* node); /*!< in: graph node */ +/***********************************************************************//** +Gets pointer to the value data type field of a graph node. */ +UNIV_INLINE +dtype_t* +que_node_get_data_type( +/*===================*/ + que_node_t* node); /*!< in: graph node */ +/***********************************************************************//** +Gets pointer to the value dfield of a graph node. */ +UNIV_INLINE +dfield_t* +que_node_get_val( +/*=============*/ + que_node_t* node); /*!< in: graph node */ +/***********************************************************************//** +Gets the value buffer size of a graph node. +@return val buffer size, not defined if val.data == NULL in node */ +UNIV_INLINE +ulint +que_node_get_val_buf_size( +/*======================*/ + que_node_t* node); /*!< in: graph node */ +/***********************************************************************//** +Sets the value buffer size of a graph node. */ +UNIV_INLINE +void +que_node_set_val_buf_size( +/*======================*/ + que_node_t* node, /*!< in: graph node */ + ulint size); /*!< in: size */ +/*********************************************************************//** +Gets the next list node in a list of query graph nodes. */ +UNIV_INLINE +que_node_t* +que_node_get_next( +/*==============*/ + que_node_t* node); /*!< in: node in a list */ +/*********************************************************************//** +Gets the parent node of a query graph node. +@return parent node or NULL */ +UNIV_INLINE +que_node_t* +que_node_get_parent( +/*================*/ + que_node_t* node); /*!< in: node */ +/****************************************************************//** +Get the first containing loop node (e.g. while_node_t or for_node_t) for the +given node, or NULL if the node is not within a loop. +@return containing loop node, or NULL. */ +UNIV_INTERN +que_node_t* +que_node_get_containing_loop_node( +/*==============================*/ + que_node_t* node); /*!< in: node */ +/*********************************************************************//** +Catenates a query graph node to a list of them, possible empty list. +@return one-way list of nodes */ +UNIV_INLINE +que_node_t* +que_node_list_add_last( +/*===================*/ + que_node_t* node_list, /*!< in: node list, or NULL */ + que_node_t* node); /*!< in: node */ +/*********************************************************************//** +Gets a query graph node list length. +@return length, for NULL list 0 */ +UNIV_INLINE +ulint +que_node_list_get_len( +/*==================*/ + que_node_t* node_list); /*!< in: node list, or NULL */ +/**********************************************************************//** +Checks if graph, trx, or session is in a state where the query thread should +be stopped. +@return TRUE if should be stopped; NOTE that if the peek is made +without reserving the kernel mutex, then another peek with the mutex +reserved is necessary before deciding the actual stopping */ +UNIV_INLINE +ibool +que_thr_peek_stop( +/*==============*/ + que_thr_t* thr); /*!< in: query thread */ +/***********************************************************************//** +Returns TRUE if the query graph is for a SELECT statement. +@return TRUE if a select */ +UNIV_INLINE +ibool +que_graph_is_select( +/*================*/ + que_t* graph); /*!< in: graph */ +/**********************************************************************//** +Prints info of an SQL query graph node. */ +UNIV_INTERN +void +que_node_print_info( +/*================*/ + que_node_t* node); /*!< in: query graph node */ +/*********************************************************************//** +Evaluate the given SQL +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +que_eval_sql( +/*=========*/ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string */ + ibool reserve_dict_mutex, + /*!< in: if TRUE, acquire/release + dict_sys->mutex around call to pars_sql. */ + trx_t* trx); /*!< in: trx */ + +/* Query graph query thread node: the fields are protected by the kernel +mutex with the exceptions named below */ + +struct que_thr_struct{ + que_common_t common; /*!< type: QUE_NODE_THR */ + ulint magic_n; /*!< magic number to catch memory + corruption */ + que_node_t* child; /*!< graph child node */ + que_t* graph; /*!< graph where this node belongs */ + ibool is_active; /*!< TRUE if the thread has been set + to the run state in + que_thr_move_to_run_state, but not + deactivated in + que_thr_dec_reference_count */ + ulint state; /*!< state of the query thread */ + UT_LIST_NODE_T(que_thr_t) + thrs; /*!< list of thread nodes of the fork + node */ + UT_LIST_NODE_T(que_thr_t) + trx_thrs; /*!< lists of threads in wait list of + the trx */ + UT_LIST_NODE_T(que_thr_t) + queue; /*!< list of runnable thread nodes in + the server task queue */ + /*------------------------------*/ + /* The following fields are private to the OS thread executing the + query thread, and are not protected by the kernel mutex: */ + + que_node_t* run_node; /*!< pointer to the node where the + subgraph down from this node is + currently executed */ + que_node_t* prev_node; /*!< pointer to the node from which + the control came */ + ulint resource; /*!< resource usage of the query thread + thus far */ + ulint lock_state; /*!< lock state of thread (table or + row) */ +}; + +#define QUE_THR_MAGIC_N 8476583 +#define QUE_THR_MAGIC_FREED 123461526 + +/* Query graph fork node: its fields are protected by the kernel mutex */ +struct que_fork_struct{ + que_common_t common; /*!< type: QUE_NODE_FORK */ + que_t* graph; /*!< query graph of this node */ + ulint fork_type; /*!< fork type */ + ulint n_active_thrs; /*!< if this is the root of a graph, the + number query threads that have been + started in que_thr_move_to_run_state + but for which que_thr_dec_refer_count + has not yet been called */ + trx_t* trx; /*!< transaction: this is set only in + the root node */ + ulint state; /*!< state of the fork node */ + que_thr_t* caller; /*!< pointer to a possible calling query + thread */ + UT_LIST_BASE_NODE_T(que_thr_t) + thrs; /*!< list of query threads */ + /*------------------------------*/ + /* The fields in this section are defined only in the root node */ + sym_tab_t* sym_tab; /*!< symbol table of the query, + generated by the parser, or NULL + if the graph was created 'by hand' */ + pars_info_t* info; /*!< info struct, or NULL */ + /* The following cur_... fields are relevant only in a select graph */ + + ulint cur_end; /*!< QUE_CUR_NOT_DEFINED, QUE_CUR_START, + QUE_CUR_END */ + ulint cur_pos; /*!< if there are n rows in the result + set, values 0 and n + 1 mean before + first row, or after last row, depending + on cur_end; values 1...n mean a row + index */ + ibool cur_on_row; /*!< TRUE if cursor is on a row, i.e., + it is not before the first row or + after the last row */ + dulint n_inserts; /*!< number of rows inserted */ + dulint n_updates; /*!< number of rows updated */ + dulint n_deletes; /*!< number of rows deleted */ + sel_node_t* last_sel_node; /*!< last executed select node, or NULL + if none */ + UT_LIST_NODE_T(que_fork_t) + graphs; /*!< list of query graphs of a session + or a stored procedure */ + /*------------------------------*/ + mem_heap_t* heap; /*!< memory heap where the fork was + created */ + +}; + +/* Query fork (or graph) types */ +#define QUE_FORK_SELECT_NON_SCROLL 1 /* forward-only cursor */ +#define QUE_FORK_SELECT_SCROLL 2 /* scrollable cursor */ +#define QUE_FORK_INSERT 3 +#define QUE_FORK_UPDATE 4 +#define QUE_FORK_ROLLBACK 5 + /* This is really the undo graph used in rollback, + no signal-sending roll_node in this graph */ +#define QUE_FORK_PURGE 6 +#define QUE_FORK_EXECUTE 7 +#define QUE_FORK_PROCEDURE 8 +#define QUE_FORK_PROCEDURE_CALL 9 +#define QUE_FORK_MYSQL_INTERFACE 10 +#define QUE_FORK_RECOVERY 11 + +/* Query fork (or graph) states */ +#define QUE_FORK_ACTIVE 1 +#define QUE_FORK_COMMAND_WAIT 2 +#define QUE_FORK_INVALID 3 +#define QUE_FORK_BEING_FREED 4 + +/* Flag which is ORed to control structure statement node types */ +#define QUE_NODE_CONTROL_STAT 1024 + +/* Query graph node types */ +#define QUE_NODE_LOCK 1 +#define QUE_NODE_INSERT 2 +#define QUE_NODE_UPDATE 4 +#define QUE_NODE_CURSOR 5 +#define QUE_NODE_SELECT 6 +#define QUE_NODE_AGGREGATE 7 +#define QUE_NODE_FORK 8 +#define QUE_NODE_THR 9 +#define QUE_NODE_UNDO 10 +#define QUE_NODE_COMMIT 11 +#define QUE_NODE_ROLLBACK 12 +#define QUE_NODE_PURGE 13 +#define QUE_NODE_CREATE_TABLE 14 +#define QUE_NODE_CREATE_INDEX 15 +#define QUE_NODE_SYMBOL 16 +#define QUE_NODE_RES_WORD 17 +#define QUE_NODE_FUNC 18 +#define QUE_NODE_ORDER 19 +#define QUE_NODE_PROC (20 + QUE_NODE_CONTROL_STAT) +#define QUE_NODE_IF (21 + QUE_NODE_CONTROL_STAT) +#define QUE_NODE_WHILE (22 + QUE_NODE_CONTROL_STAT) +#define QUE_NODE_ASSIGNMENT 23 +#define QUE_NODE_FETCH 24 +#define QUE_NODE_OPEN 25 +#define QUE_NODE_COL_ASSIGNMENT 26 +#define QUE_NODE_FOR (27 + QUE_NODE_CONTROL_STAT) +#define QUE_NODE_RETURN 28 +#define QUE_NODE_ROW_PRINTF 29 +#define QUE_NODE_ELSIF 30 +#define QUE_NODE_CALL 31 +#define QUE_NODE_EXIT 32 + +/* Query thread states */ +#define QUE_THR_RUNNING 1 +#define QUE_THR_PROCEDURE_WAIT 2 +#define QUE_THR_COMPLETED 3 /* in selects this means that the + thread is at the end of its result set + (or start, in case of a scroll cursor); + in other statements, this means the + thread has done its task */ +#define QUE_THR_COMMAND_WAIT 4 +#define QUE_THR_LOCK_WAIT 5 +#define QUE_THR_SIG_REPLY_WAIT 6 +#define QUE_THR_SUSPENDED 7 +#define QUE_THR_ERROR 8 + +/* Query thread lock states */ +#define QUE_THR_LOCK_NOLOCK 0 +#define QUE_THR_LOCK_ROW 1 +#define QUE_THR_LOCK_TABLE 2 + +/* From where the cursor position is counted */ +#define QUE_CUR_NOT_DEFINED 1 +#define QUE_CUR_START 2 +#define QUE_CUR_END 3 + + +#ifndef UNIV_NONINL +#include "que0que.ic" +#endif + +#endif diff --git a/perfschema/include/que0que.ic b/perfschema/include/que0que.ic new file mode 100644 index 00000000000..bd936670e1e --- /dev/null +++ b/perfschema/include/que0que.ic @@ -0,0 +1,287 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/que0que.ic +Query graph + +Created 5/27/1996 Heikki Tuuri +*******************************************************/ + +#include "usr0sess.h" + +/***********************************************************************//** +Gets the trx of a query thread. */ +UNIV_INLINE +trx_t* +thr_get_trx( +/*========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ut_ad(thr); + + return(thr->graph->trx); +} + +/*******************************************************************//** +Determines if this thread is rolling back an incomplete transaction +in crash recovery. +@return TRUE if thr is rolling back an incomplete transaction in crash +recovery */ +UNIV_INLINE +ibool +thr_is_recv( +/*========*/ + const que_thr_t* thr) /*!< in: query thread */ +{ + return(trx_is_recv(thr->graph->trx)); +} + +/***********************************************************************//** +Gets the first thr in a fork. */ +UNIV_INLINE +que_thr_t* +que_fork_get_first_thr( +/*===================*/ + que_fork_t* fork) /*!< in: query fork */ +{ + return(UT_LIST_GET_FIRST(fork->thrs)); +} + +/***********************************************************************//** +Gets the child node of the first thr in a fork. */ +UNIV_INLINE +que_node_t* +que_fork_get_child( +/*===============*/ + que_fork_t* fork) /*!< in: query fork */ +{ + que_thr_t* thr; + + thr = UT_LIST_GET_FIRST(fork->thrs); + + return(thr->child); +} + +/***********************************************************************//** +Gets the type of a graph node. */ +UNIV_INLINE +ulint +que_node_get_type( +/*==============*/ + que_node_t* node) /*!< in: graph node */ +{ + ut_ad(node); + + return(((que_common_t*)node)->type); +} + +/***********************************************************************//** +Gets pointer to the value dfield of a graph node. */ +UNIV_INLINE +dfield_t* +que_node_get_val( +/*=============*/ + que_node_t* node) /*!< in: graph node */ +{ + ut_ad(node); + + return(&(((que_common_t*)node)->val)); +} + +/***********************************************************************//** +Gets the value buffer size of a graph node. +@return val buffer size, not defined if val.data == NULL in node */ +UNIV_INLINE +ulint +que_node_get_val_buf_size( +/*======================*/ + que_node_t* node) /*!< in: graph node */ +{ + ut_ad(node); + + return(((que_common_t*)node)->val_buf_size); +} + +/***********************************************************************//** +Sets the value buffer size of a graph node. */ +UNIV_INLINE +void +que_node_set_val_buf_size( +/*======================*/ + que_node_t* node, /*!< in: graph node */ + ulint size) /*!< in: size */ +{ + ut_ad(node); + + ((que_common_t*)node)->val_buf_size = size; +} + +/***********************************************************************//** +Sets the parent of a graph node. */ +UNIV_INLINE +void +que_node_set_parent( +/*================*/ + que_node_t* node, /*!< in: graph node */ + que_node_t* parent) /*!< in: parent */ +{ + ut_ad(node); + + ((que_common_t*)node)->parent = parent; +} + +/***********************************************************************//** +Gets pointer to the value data type field of a graph node. */ +UNIV_INLINE +dtype_t* +que_node_get_data_type( +/*===================*/ + que_node_t* node) /*!< in: graph node */ +{ + ut_ad(node); + + return(dfield_get_type(&((que_common_t*) node)->val)); +} + +/*********************************************************************//** +Catenates a query graph node to a list of them, possible empty list. +@return one-way list of nodes */ +UNIV_INLINE +que_node_t* +que_node_list_add_last( +/*===================*/ + que_node_t* node_list, /*!< in: node list, or NULL */ + que_node_t* node) /*!< in: node */ +{ + que_common_t* cnode; + que_common_t* cnode2; + + cnode = (que_common_t*) node; + + cnode->brother = NULL; + + if (node_list == NULL) { + + return(node); + } + + cnode2 = (que_common_t*) node_list; + + while (cnode2->brother != NULL) { + cnode2 = (que_common_t*) cnode2->brother; + } + + cnode2->brother = node; + + return(node_list); +} + +/*********************************************************************//** +Gets the next list node in a list of query graph nodes. +@return next node in a list of nodes */ +UNIV_INLINE +que_node_t* +que_node_get_next( +/*==============*/ + que_node_t* node) /*!< in: node in a list */ +{ + return(((que_common_t*)node)->brother); +} + +/*********************************************************************//** +Gets a query graph node list length. +@return length, for NULL list 0 */ +UNIV_INLINE +ulint +que_node_list_get_len( +/*==================*/ + que_node_t* node_list) /*!< in: node list, or NULL */ +{ + const que_common_t* cnode; + ulint len; + + cnode = (const que_common_t*) node_list; + len = 0; + + while (cnode != NULL) { + len++; + cnode = (const que_common_t*) cnode->brother; + } + + return(len); +} + +/*********************************************************************//** +Gets the parent node of a query graph node. +@return parent node or NULL */ +UNIV_INLINE +que_node_t* +que_node_get_parent( +/*================*/ + que_node_t* node) /*!< in: node */ +{ + return(((que_common_t*)node)->parent); +} + +/**********************************************************************//** +Checks if graph, trx, or session is in a state where the query thread should +be stopped. +@return TRUE if should be stopped; NOTE that if the peek is made +without reserving the kernel mutex, then another peek with the mutex +reserved is necessary before deciding the actual stopping */ +UNIV_INLINE +ibool +que_thr_peek_stop( +/*==============*/ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + que_t* graph; + + graph = thr->graph; + trx = graph->trx; + + if (graph->state != QUE_FORK_ACTIVE + || trx->que_state == TRX_QUE_LOCK_WAIT + || (UT_LIST_GET_LEN(trx->signals) > 0 + && trx->que_state == TRX_QUE_RUNNING)) { + + return(TRUE); + } + + return(FALSE); +} + +/***********************************************************************//** +Returns TRUE if the query graph is for a SELECT statement. +@return TRUE if a select */ +UNIV_INLINE +ibool +que_graph_is_select( +/*================*/ + que_t* graph) /*!< in: graph */ +{ + if (graph->fork_type == QUE_FORK_SELECT_SCROLL + || graph->fork_type == QUE_FORK_SELECT_NON_SCROLL) { + + return(TRUE); + } + + return(FALSE); +} diff --git a/perfschema/include/que0types.h b/perfschema/include/que0types.h new file mode 100644 index 00000000000..ea976074768 --- /dev/null +++ b/perfschema/include/que0types.h @@ -0,0 +1,60 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/que0types.h +Query graph global types + +Created 5/27/1996 Heikki Tuuri +*******************************************************/ + +#ifndef que0types_h +#define que0types_h + +#include "data0data.h" +#include "dict0types.h" + +/* Pseudotype for all graph nodes */ +typedef void que_node_t; + +typedef struct que_fork_struct que_fork_t; + +/* Query graph root is a fork node */ +typedef que_fork_t que_t; + +typedef struct que_thr_struct que_thr_t; +typedef struct que_common_struct que_common_t; + +/* Common struct at the beginning of each query graph node; the name of this +substruct must be 'common' */ + +struct que_common_struct{ + ulint type; /*!< query node type */ + que_node_t* parent; /*!< back pointer to parent node, or NULL */ + que_node_t* brother;/* pointer to a possible brother node */ + dfield_t val; /*!< evaluated value for an expression */ + ulint val_buf_size; + /* buffer size for the evaluated value data, + if the buffer has been allocated dynamically: + if this field is != 0, and the node is a + symbol node or a function node, then we + have to free the data field in val + explicitly */ +}; + +#endif diff --git a/perfschema/include/read0read.h b/perfschema/include/read0read.h new file mode 100644 index 00000000000..4d9a9fade36 --- /dev/null +++ b/perfschema/include/read0read.h @@ -0,0 +1,194 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/read0read.h +Cursor read + +Created 2/16/1997 Heikki Tuuri +*******************************************************/ + +#ifndef read0read_h +#define read0read_h + +#include "univ.i" + + +#include "ut0byte.h" +#include "ut0lst.h" +#include "trx0trx.h" +#include "read0types.h" + +/*********************************************************************//** +Opens a read view where exactly the transactions serialized before this +point in time are seen in the view. +@return own: read view struct */ +UNIV_INTERN +read_view_t* +read_view_open_now( +/*===============*/ + trx_id_t cr_trx_id, /*!< in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ + mem_heap_t* heap); /*!< in: memory heap from which + allocated */ +/*********************************************************************//** +Makes a copy of the oldest existing read view, or opens a new. The view +must be closed with ..._close. +@return own: read view struct */ +UNIV_INTERN +read_view_t* +read_view_oldest_copy_or_open_new( +/*==============================*/ + trx_id_t cr_trx_id, /*!< in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ + mem_heap_t* heap); /*!< in: memory heap from which + allocated */ +/*********************************************************************//** +Closes a read view. */ +UNIV_INTERN +void +read_view_close( +/*============*/ + read_view_t* view); /*!< in: read view */ +/*********************************************************************//** +Closes a consistent read view for MySQL. This function is called at an SQL +statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ +UNIV_INTERN +void +read_view_close_for_mysql( +/*======================*/ + trx_t* trx); /*!< in: trx which has a read view */ +/*********************************************************************//** +Checks if a read view sees the specified transaction. +@return TRUE if sees */ +UNIV_INLINE +ibool +read_view_sees_trx_id( +/*==================*/ + const read_view_t* view, /*!< in: read view */ + trx_id_t trx_id);/*!< in: trx id */ +/*********************************************************************//** +Prints a read view to stderr. */ +UNIV_INTERN +void +read_view_print( +/*============*/ + const read_view_t* view); /*!< in: read view */ +/*********************************************************************//** +Create a consistent cursor view for mysql to be used in cursors. In this +consistent read view modifications done by the creating transaction or future +transactions are not visible. */ +UNIV_INTERN +cursor_view_t* +read_cursor_view_create_for_mysql( +/*==============================*/ + trx_t* cr_trx);/*!< in: trx where cursor view is created */ +/*********************************************************************//** +Close a given consistent cursor view for mysql and restore global read view +back to a transaction read view. */ +UNIV_INTERN +void +read_cursor_view_close_for_mysql( +/*=============================*/ + trx_t* trx, /*!< in: trx */ + cursor_view_t* curview); /*!< in: cursor view to be closed */ +/*********************************************************************//** +This function sets a given consistent cursor view to a transaction +read view if given consistent cursor view is not NULL. Otherwise, function +restores a global read view to a transaction read view. */ +UNIV_INTERN +void +read_cursor_set_for_mysql( +/*======================*/ + trx_t* trx, /*!< in: transaction where cursor is set */ + cursor_view_t* curview);/*!< in: consistent cursor view to be set */ + +/** Read view lists the trx ids of those transactions for which a consistent +read should not see the modifications to the database. */ + +struct read_view_struct{ + ulint type; /*!< VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ + undo_no_t undo_no;/*!< ut_dulint_zero or if type is + VIEW_HIGH_GRANULARITY + transaction undo_no when this high-granularity + consistent read view was created */ + trx_id_t low_limit_no; + /*!< The view does not need to see the undo + logs for transactions whose transaction number + is strictly smaller (<) than this value: they + can be removed in purge if not needed by other + views */ + trx_id_t low_limit_id; + /*!< The read should not see any transaction + with trx id >= this value. In other words, + this is the "high water mark". */ + trx_id_t up_limit_id; + /*!< The read should see all trx ids which + are strictly smaller (<) than this value. + In other words, + this is the "low water mark". */ + ulint n_trx_ids; + /*!< Number of cells in the trx_ids array */ + trx_id_t* trx_ids;/*!< Additional trx ids which the read should + not see: typically, these are the active + transactions at the time when the read is + serialized, except the reading transaction + itself; the trx ids in this array are in a + descending order. These trx_ids should be + between the "low" and "high" water marks, + that is, up_limit_id and low_limit_id. */ + trx_id_t creator_trx_id; + /*!< trx id of creating transaction, or + ut_dulint_zero used in purge */ + UT_LIST_NODE_T(read_view_t) view_list; + /*!< List of read views in trx_sys */ +}; + +/** Read view types @{ */ +#define VIEW_NORMAL 1 /*!< Normal consistent read view + where transaction does not see changes + made by active transactions except + creating transaction. */ +#define VIEW_HIGH_GRANULARITY 2 /*!< High-granularity read view where + transaction does not see changes + made by active transactions and own + changes after a point in time when this + read view was created. */ +/* @} */ + +/** Implement InnoDB framework to support consistent read views in +cursors. This struct holds both heap where consistent read view +is allocated and pointer to a read view. */ + +struct cursor_view_struct{ + mem_heap_t* heap; + /*!< Memory heap for the cursor view */ + read_view_t* read_view; + /*!< Consistent read view of the cursor*/ + ulint n_mysql_tables_in_use; + /*!< number of Innobase tables used in the + processing of this cursor */ +}; + +#ifndef UNIV_NONINL +#include "read0read.ic" +#endif + +#endif diff --git a/perfschema/include/read0read.ic b/perfschema/include/read0read.ic new file mode 100644 index 00000000000..9924967cc2d --- /dev/null +++ b/perfschema/include/read0read.ic @@ -0,0 +1,98 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/read0read.ic +Cursor read + +Created 2/16/1997 Heikki Tuuri +*******************************************************/ + +/*********************************************************************//** +Gets the nth trx id in a read view. +@return trx id */ +UNIV_INLINE +trx_id_t +read_view_get_nth_trx_id( +/*=====================*/ + const read_view_t* view, /*!< in: read view */ + ulint n) /*!< in: position */ +{ + ut_ad(n < view->n_trx_ids); + + return(*(view->trx_ids + n)); +} + +/*********************************************************************//** +Sets the nth trx id in a read view. */ +UNIV_INLINE +void +read_view_set_nth_trx_id( +/*=====================*/ + read_view_t* view, /*!< in: read view */ + ulint n, /*!< in: position */ + trx_id_t trx_id) /*!< in: trx id to set */ +{ + ut_ad(n < view->n_trx_ids); + + *(view->trx_ids + n) = trx_id; +} + +/*********************************************************************//** +Checks if a read view sees the specified transaction. +@return TRUE if sees */ +UNIV_INLINE +ibool +read_view_sees_trx_id( +/*==================*/ + const read_view_t* view, /*!< in: read view */ + trx_id_t trx_id) /*!< in: trx id */ +{ + ulint n_ids; + int cmp; + ulint i; + + if (ut_dulint_cmp(trx_id, view->up_limit_id) < 0) { + + return(TRUE); + } + + if (ut_dulint_cmp(trx_id, view->low_limit_id) >= 0) { + + return(FALSE); + } + + /* We go through the trx ids in the array smallest first: this order + may save CPU time, because if there was a very long running + transaction in the trx id array, its trx id is looked at first, and + the first two comparisons may well decide the visibility of trx_id. */ + + n_ids = view->n_trx_ids; + + for (i = 0; i < n_ids; i++) { + + cmp = ut_dulint_cmp( + trx_id, + read_view_get_nth_trx_id(view, n_ids - i - 1)); + if (cmp <= 0) { + return(cmp < 0); + } + } + + return(TRUE); +} diff --git a/perfschema/include/read0types.h b/perfschema/include/read0types.h new file mode 100644 index 00000000000..caf69e3fb51 --- /dev/null +++ b/perfschema/include/read0types.h @@ -0,0 +1,32 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/read0types.h +Cursor read + +Created 2/16/1997 Heikki Tuuri +*******************************************************/ + +#ifndef read0types_h +#define read0types_h + +typedef struct read_view_struct read_view_t; +typedef struct cursor_view_struct cursor_view_t; + +#endif diff --git a/perfschema/include/rem0cmp.h b/perfschema/include/rem0cmp.h new file mode 100644 index 00000000000..072f74267ea --- /dev/null +++ b/perfschema/include/rem0cmp.h @@ -0,0 +1,194 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/rem0cmp.h +Comparison services for records + +Created 7/1/1994 Heikki Tuuri +************************************************************************/ + +#ifndef rem0cmp_h +#define rem0cmp_h + +#include "univ.i" +#include "data0data.h" +#include "data0type.h" +#include "dict0dict.h" +#include "rem0rec.h" + +/*************************************************************//** +Returns TRUE if two columns are equal for comparison purposes. +@return TRUE if the columns are considered equal in comparisons */ +UNIV_INTERN +ibool +cmp_cols_are_equal( +/*===============*/ + const dict_col_t* col1, /*!< in: column 1 */ + const dict_col_t* col2, /*!< in: column 2 */ + ibool check_charsets); + /*!< in: whether to check charsets */ +/*************************************************************//** +This function is used to compare two data fields for which we know the +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ +UNIV_INLINE +int +cmp_data_data( +/*==========*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ +/*************************************************************//** +This function is used to compare two data fields for which we know the +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ +UNIV_INTERN +int +cmp_data_data_slow( +/*===============*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ +/*************************************************************//** +This function is used to compare two dfields where at least the first +has its data type field set. +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, +respectively */ +UNIV_INLINE +int +cmp_dfield_dfield( +/*==============*/ + const dfield_t* dfield1,/*!< in: data field; must have type field set */ + const dfield_t* dfield2);/*!< in: data field */ +/*************************************************************//** +This function is used to compare a data tuple to a physical record. +Only dtuple->n_fields_cmp first fields are taken into account for +the data tuple! If we denote by n = n_fields_cmp, then rec must +have either m >= n fields, or it must differ from dtuple in some of +the m fields rec has. If rec has an externally stored field we do not +compare it but return with value 0 if such a comparison should be +made. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared, or until +the first externally stored field in rec */ +UNIV_INTERN +int +cmp_dtuple_rec_with_match( +/*======================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from + dtuple in some of the common fields, or which + has an equal number or more fields than + dtuple */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when function returns, + contains the value for current comparison */ + ulint* matched_bytes); /*!< in/out: number of already matched + bytes within the first field not completely + matched; when function returns, contains the + value for current comparison */ +/**************************************************************//** +Compares a data tuple to a physical record. +@see cmp_dtuple_rec_with_match +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ +UNIV_INTERN +int +cmp_dtuple_rec( +/*===========*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**************************************************************//** +Checks if a dtuple is a prefix of a record. The last field in dtuple +is allowed to be a prefix of the corresponding field in the record. +@return TRUE if prefix */ +UNIV_INTERN +ibool +cmp_dtuple_is_prefix_of_rec( +/*========================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/*************************************************************//** +Compare two physical records that contain the same number of columns, +none of which are stored externally. +@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ +UNIV_INTERN +int +cmp_rec_rec_simple( +/*===============*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ + const dict_index_t* index); /*!< in: data dictionary index */ +/*************************************************************//** +This function is used to compare two physical records. Only the common +first fields are compared, and if an externally stored field is +encountered, then 0 is returned. +@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ +UNIV_INTERN +int +cmp_rec_rec_with_match( +/*===================*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index, /*!< in: data dictionary index */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when the function returns, + contains the value the for current + comparison */ + ulint* matched_bytes);/*!< in/out: number of already matched + bytes within the first field not completely + matched; when the function returns, contains + the value for the current comparison */ +/*************************************************************//** +This function is used to compare two physical records. Only the common +first fields are compared. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than +rec2; only the common first fields are compared */ +UNIV_INLINE +int +cmp_rec_rec( +/*========*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index); /*!< in: data dictionary index */ + + +#ifndef UNIV_NONINL +#include "rem0cmp.ic" +#endif + +#endif diff --git a/perfschema/include/rem0cmp.ic b/perfschema/include/rem0cmp.ic new file mode 100644 index 00000000000..39ef5f4fba3 --- /dev/null +++ b/perfschema/include/rem0cmp.ic @@ -0,0 +1,91 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/rem0cmp.ic +Comparison services for records + +Created 7/1/1994 Heikki Tuuri +************************************************************************/ + +/*************************************************************//** +This function is used to compare two data fields for which we know the +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ +UNIV_INLINE +int +cmp_data_data( +/*==========*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ +{ + return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2)); +} + +/*************************************************************//** +This function is used to compare two dfields where at least the first +has its data type field set. +@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, +respectively */ +UNIV_INLINE +int +cmp_dfield_dfield( +/*==============*/ + const dfield_t* dfield1,/*!< in: data field; must have type field set */ + const dfield_t* dfield2)/*!< in: data field */ +{ + const dtype_t* type; + + ut_ad(dfield_check_typed(dfield1)); + + type = dfield_get_type(dfield1); + + return(cmp_data_data(type->mtype, type->prtype, + (const byte*) dfield_get_data(dfield1), + dfield_get_len(dfield1), + (const byte*) dfield_get_data(dfield2), + dfield_get_len(dfield2))); +} + +/*************************************************************//** +This function is used to compare two physical records. Only the common +first fields are compared. +@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than +rec2; only the common first fields are compared */ +UNIV_INLINE +int +cmp_rec_rec( +/*========*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index) /*!< in: data dictionary index */ +{ + ulint match_f = 0; + ulint match_b = 0; + + return(cmp_rec_rec_with_match(rec1, rec2, offsets1, offsets2, index, + &match_f, &match_b)); +} diff --git a/perfschema/include/rem0rec.h b/perfschema/include/rem0rec.h new file mode 100644 index 00000000000..17d08afabb9 --- /dev/null +++ b/perfschema/include/rem0rec.h @@ -0,0 +1,824 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/rem0rec.h +Record manager + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#ifndef rem0rec_h +#define rem0rec_h + +#include "univ.i" +#include "data0data.h" +#include "rem0types.h" +#include "mtr0types.h" +#include "page0types.h" + +/* Info bit denoting the predefined minimum record: this bit is set +if and only if the record is the first user record on a non-leaf +B-tree page that is the leftmost page on its level +(PAGE_LEVEL is nonzero and FIL_PAGE_PREV is FIL_NULL). */ +#define REC_INFO_MIN_REC_FLAG 0x10UL +/* The deleted flag in info bits */ +#define REC_INFO_DELETED_FLAG 0x20UL /* when bit is set to 1, it means the + record has been delete marked */ + +/* Number of extra bytes in an old-style record, +in addition to the data and the offsets */ +#define REC_N_OLD_EXTRA_BYTES 6 +/* Number of extra bytes in a new-style record, +in addition to the data and the offsets */ +#define REC_N_NEW_EXTRA_BYTES 5 + +/* Record status values */ +#define REC_STATUS_ORDINARY 0 +#define REC_STATUS_NODE_PTR 1 +#define REC_STATUS_INFIMUM 2 +#define REC_STATUS_SUPREMUM 3 + +/* The following four constants are needed in page0zip.c in order to +efficiently compress and decompress pages. */ + +/* The offset of heap_no in a compact record */ +#define REC_NEW_HEAP_NO 4 +/* The shift of heap_no in a compact record. +The status is stored in the low-order bits. */ +#define REC_HEAP_NO_SHIFT 3 + +/* Length of a B-tree node pointer, in bytes */ +#define REC_NODE_PTR_SIZE 4 + +#ifdef UNIV_DEBUG +/* Length of the rec_get_offsets() header */ +# define REC_OFFS_HEADER_SIZE 4 +#else /* UNIV_DEBUG */ +/* Length of the rec_get_offsets() header */ +# define REC_OFFS_HEADER_SIZE 2 +#endif /* UNIV_DEBUG */ + +/* Number of elements that should be initially allocated for the +offsets[] array, first passed to rec_get_offsets() */ +#define REC_OFFS_NORMAL_SIZE 100 +#define REC_OFFS_SMALL_SIZE 10 + +/******************************************************//** +The following function is used to get the pointer of the next chained record +on the same page. +@return pointer to the next chained record, or NULL if none */ +UNIV_INLINE +const rec_t* +rec_get_next_ptr_const( +/*===================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to get the pointer of the next chained record +on the same page. +@return pointer to the next chained record, or NULL if none */ +UNIV_INLINE +rec_t* +rec_get_next_ptr( +/*=============*/ + rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to get the offset of the +next chained record on the same page. +@return the page offset of the next chained record, or 0 if none */ +UNIV_INLINE +ulint +rec_get_next_offs( +/*==============*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to set the next record offset field +of an old-style record. */ +UNIV_INLINE +void +rec_set_next_offs_old( +/*==================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint next); /*!< in: offset of the next record */ +/******************************************************//** +The following function is used to set the next record offset field +of a new-style record. */ +UNIV_INLINE +void +rec_set_next_offs_new( +/*==================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint next); /*!< in: offset of the next record */ +/******************************************************//** +The following function is used to get the number of fields +in an old-style record. +@return number of data fields */ +UNIV_INLINE +ulint +rec_get_n_fields_old( +/*=================*/ + const rec_t* rec); /*!< in: physical record */ +/******************************************************//** +The following function is used to get the number of fields +in a record. +@return number of data fields */ +UNIV_INLINE +ulint +rec_get_n_fields( +/*=============*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index); /*!< in: record descriptor */ +/******************************************************//** +The following function is used to get the number of records owned by the +previous directory record. +@return number of owned records */ +UNIV_INLINE +ulint +rec_get_n_owned_old( +/*================*/ + const rec_t* rec); /*!< in: old-style physical record */ +/******************************************************//** +The following function is used to set the number of owned records. */ +UNIV_INLINE +void +rec_set_n_owned_old( +/*================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint n_owned); /*!< in: the number of owned */ +/******************************************************//** +The following function is used to get the number of records owned by the +previous directory record. +@return number of owned records */ +UNIV_INLINE +ulint +rec_get_n_owned_new( +/*================*/ + const rec_t* rec); /*!< in: new-style physical record */ +/******************************************************//** +The following function is used to set the number of owned records. */ +UNIV_INLINE +void +rec_set_n_owned_new( +/*================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n_owned);/*!< in: the number of owned */ +/******************************************************//** +The following function is used to retrieve the info bits of +a record. +@return info bits */ +UNIV_INLINE +ulint +rec_get_info_bits( +/*==============*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to set the info bits of a record. */ +UNIV_INLINE +void +rec_set_info_bits_old( +/*==================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint bits); /*!< in: info bits */ +/******************************************************//** +The following function is used to set the info bits of a record. */ +UNIV_INLINE +void +rec_set_info_bits_new( +/*==================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint bits); /*!< in: info bits */ +/******************************************************//** +The following function retrieves the status bits of a new-style record. +@return status bits */ +UNIV_INLINE +ulint +rec_get_status( +/*===========*/ + const rec_t* rec); /*!< in: physical record */ + +/******************************************************//** +The following function is used to set the status bits of a new-style record. */ +UNIV_INLINE +void +rec_set_status( +/*===========*/ + rec_t* rec, /*!< in/out: physical record */ + ulint bits); /*!< in: info bits */ + +/******************************************************//** +The following function is used to retrieve the info and status +bits of a record. (Only compact records have status bits.) +@return info bits */ +UNIV_INLINE +ulint +rec_get_info_and_status_bits( +/*=========================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to set the info and status +bits of a record. (Only compact records have status bits.) */ +UNIV_INLINE +void +rec_set_info_and_status_bits( +/*=========================*/ + rec_t* rec, /*!< in/out: compact physical record */ + ulint bits); /*!< in: info bits */ + +/******************************************************//** +The following function tells if record is delete marked. +@return nonzero if delete marked */ +UNIV_INLINE +ulint +rec_get_deleted_flag( +/*=================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp); /*!< in: nonzero=compact page format */ +/******************************************************//** +The following function is used to set the deleted bit. */ +UNIV_INLINE +void +rec_set_deleted_flag_old( +/*=====================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint flag); /*!< in: nonzero if delete marked */ +/******************************************************//** +The following function is used to set the deleted bit. */ +UNIV_INLINE +void +rec_set_deleted_flag_new( +/*=====================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint flag); /*!< in: nonzero if delete marked */ +/******************************************************//** +The following function tells if a new-style record is a node pointer. +@return TRUE if node pointer */ +UNIV_INLINE +ibool +rec_get_node_ptr_flag( +/*==================*/ + const rec_t* rec); /*!< in: physical record */ +/******************************************************//** +The following function is used to get the order number +of an old-style record in the heap of the index page. +@return heap order number */ +UNIV_INLINE +ulint +rec_get_heap_no_old( +/*================*/ + const rec_t* rec); /*!< in: physical record */ +/******************************************************//** +The following function is used to set the heap number +field in an old-style record. */ +UNIV_INLINE +void +rec_set_heap_no_old( +/*================*/ + rec_t* rec, /*!< in: physical record */ + ulint heap_no);/*!< in: the heap number */ +/******************************************************//** +The following function is used to get the order number +of a new-style record in the heap of the index page. +@return heap order number */ +UNIV_INLINE +ulint +rec_get_heap_no_new( +/*================*/ + const rec_t* rec); /*!< in: physical record */ +/******************************************************//** +The following function is used to set the heap number +field in a new-style record. */ +UNIV_INLINE +void +rec_set_heap_no_new( +/*================*/ + rec_t* rec, /*!< in/out: physical record */ + ulint heap_no);/*!< in: the heap number */ +/******************************************************//** +The following function is used to test whether the data offsets +in the record are stored in one-byte or two-byte format. +@return TRUE if 1-byte form */ +UNIV_INLINE +ibool +rec_get_1byte_offs_flag( +/*====================*/ + const rec_t* rec); /*!< in: physical record */ + +/******************************************************//** +Determine how many of the first n columns in a compact +physical record are stored externally. +@return number of externally stored columns */ +UNIV_INTERN +ulint +rec_get_n_extern_new( +/*=================*/ + const rec_t* rec, /*!< in: compact physical record */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n); /*!< in: number of columns to scan */ + +/******************************************************//** +The following function determines the offsets to each field +in the record. It can reuse a previously allocated array. +@return the new offsets */ +UNIV_INTERN +ulint* +rec_get_offsets_func( +/*=================*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: array consisting of + offsets[0] allocated elements, + or an array from rec_get_offsets(), + or NULL */ + ulint n_fields,/*!< in: maximum number of + initialized fields + (ULINT_UNDEFINED if all fields) */ + mem_heap_t** heap, /*!< in/out: memory heap */ + const char* file, /*!< in: file name where called */ + ulint line); /*!< in: line number where called */ + +#define rec_get_offsets(rec,index,offsets,n,heap) \ + rec_get_offsets_func(rec,index,offsets,n,heap,__FILE__,__LINE__) + +/******************************************************//** +Determine the offset to each field in a leaf-page record +in ROW_FORMAT=COMPACT. This is a special case of +rec_init_offsets() and rec_get_offsets_func(). */ +UNIV_INTERN +void +rec_init_offsets_comp_ordinary( +/*===========================*/ + const rec_t* rec, /*!< in: physical record in + ROW_FORMAT=COMPACT */ + ulint extra, /*!< in: number of bytes to reserve + between the record header and + the data payload + (usually REC_N_NEW_EXTRA_BYTES) */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets);/*!< in/out: array of offsets; + in: n=rec_offs_n_fields(offsets) */ + +/******************************************************//** +The following function determines the offsets to each field +in the record. It can reuse a previously allocated array. */ +UNIV_INTERN +void +rec_get_offsets_reverse( +/*====================*/ + const byte* extra, /*!< in: the extra bytes of a + compact record in reverse order, + excluding the fixed-size + REC_N_NEW_EXTRA_BYTES */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint node_ptr,/*!< in: nonzero=node pointer, + 0=leaf node */ + ulint* offsets);/*!< in/out: array consisting of + offsets[0] allocated elements */ + +/************************************************************//** +Validates offsets returned by rec_get_offsets(). +@return TRUE if valid */ +UNIV_INLINE +ibool +rec_offs_validate( +/*==============*/ + const rec_t* rec, /*!< in: record or NULL */ + const dict_index_t* index, /*!< in: record descriptor or NULL */ + const ulint* offsets);/*!< in: array returned by + rec_get_offsets() */ +#ifdef UNIV_DEBUG +/************************************************************//** +Updates debug data in offsets, in order to avoid bogus +rec_offs_validate() failures. */ +UNIV_INLINE +void +rec_offs_make_valid( +/*================*/ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets);/*!< in: array returned by + rec_get_offsets() */ +#else +# define rec_offs_make_valid(rec, index, offsets) ((void) 0) +#endif /* UNIV_DEBUG */ + +/************************************************************//** +The following function is used to get the offset to the nth +data field in an old-style record. +@return offset to the field */ +UNIV_INTERN +ulint +rec_get_nth_field_offs_old( +/*=======================*/ + const rec_t* rec, /*!< in: record */ + ulint n, /*!< in: index of the field */ + ulint* len); /*!< out: length of the field; UNIV_SQL_NULL + if SQL null */ +#define rec_get_nth_field_old(rec, n, len) \ +((rec) + rec_get_nth_field_offs_old(rec, n, len)) +/************************************************************//** +Gets the physical size of an old-style field. +Also an SQL null may have a field of size > 0, +if the data type is of a fixed size. +@return field size in bytes */ +UNIV_INLINE +ulint +rec_get_nth_field_size( +/*===================*/ + const rec_t* rec, /*!< in: record */ + ulint n); /*!< in: index of the field */ +/************************************************************//** +The following function is used to get an offset to the nth +data field in a record. +@return offset from the origin of rec */ +UNIV_INLINE +ulint +rec_get_nth_field_offs( +/*===================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index of the field */ + ulint* len); /*!< out: length of the field; UNIV_SQL_NULL + if SQL null */ +#define rec_get_nth_field(rec, offsets, n, len) \ +((rec) + rec_get_nth_field_offs(offsets, n, len)) +/******************************************************//** +Determine if the offsets are for a record in the new +compact format. +@return nonzero if compact format */ +UNIV_INLINE +ulint +rec_offs_comp( +/*==========*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/******************************************************//** +Determine if the offsets are for a record containing +externally stored columns. +@return nonzero if externally stored */ +UNIV_INLINE +ulint +rec_offs_any_extern( +/*================*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/******************************************************//** +Returns nonzero if the extern bit is set in nth field of rec. +@return nonzero if externally stored */ +UNIV_INLINE +ulint +rec_offs_nth_extern( +/*================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ +/******************************************************//** +Returns nonzero if the SQL NULL bit is set in nth field of rec. +@return nonzero if SQL NULL */ +UNIV_INLINE +ulint +rec_offs_nth_sql_null( +/*==================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ +/******************************************************//** +Gets the physical size of a field. +@return length of field */ +UNIV_INLINE +ulint +rec_offs_nth_size( +/*==============*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n); /*!< in: nth field */ + +/******************************************************//** +Returns the number of extern bits set in a record. +@return number of externally stored fields */ +UNIV_INLINE +ulint +rec_offs_n_extern( +/*==============*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***********************************************************//** +This is used to modify the value of an already existing field in a record. +The previous value must have exactly the same size as the new value. If len +is UNIV_SQL_NULL then the field is treated as an SQL null. +For records in ROW_FORMAT=COMPACT (new-style records), len must not be +UNIV_SQL_NULL unless the field already is SQL null. */ +UNIV_INLINE +void +rec_set_nth_field( +/*==============*/ + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index number of the field */ + const void* data, /*!< in: pointer to the data if not SQL null */ + ulint len); /*!< in: length of the data or UNIV_SQL_NULL */ +/**********************************************************//** +The following function returns the data size of an old-style physical +record, that is the sum of field lengths. SQL null fields +are counted as length 0 fields. The value returned by the function +is the distance from record origin to record end in bytes. +@return size */ +UNIV_INLINE +ulint +rec_get_data_size_old( +/*==================*/ + const rec_t* rec); /*!< in: physical record */ +/**********************************************************//** +The following function returns the number of allocated elements +for an array of offsets. +@return number of elements */ +UNIV_INLINE +ulint +rec_offs_get_n_alloc( +/*=================*/ + const ulint* offsets);/*!< in: array for rec_get_offsets() */ +/**********************************************************//** +The following function sets the number of allocated elements +for an array of offsets. */ +UNIV_INLINE +void +rec_offs_set_n_alloc( +/*=================*/ + ulint* offsets, /*!< out: array for rec_get_offsets(), + must be allocated */ + ulint n_alloc); /*!< in: number of elements */ +#define rec_offs_init(offsets) \ + rec_offs_set_n_alloc(offsets, (sizeof offsets) / sizeof *offsets) +/**********************************************************//** +The following function returns the number of fields in a record. +@return number of fields */ +UNIV_INLINE +ulint +rec_offs_n_fields( +/*==============*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +The following function returns the data size of a physical +record, that is the sum of field lengths. SQL null fields +are counted as length 0 fields. The value returned by the function +is the distance from record origin to record end in bytes. +@return size */ +UNIV_INLINE +ulint +rec_offs_data_size( +/*===============*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +Returns the total size of record minus data size of record. +The value returned by the function is the distance from record +start to record origin in bytes. +@return size */ +UNIV_INLINE +ulint +rec_offs_extra_size( +/*================*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +Returns the total size of a physical record. +@return size */ +UNIV_INLINE +ulint +rec_offs_size( +/*==========*/ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +Returns a pointer to the start of the record. +@return pointer to start */ +UNIV_INLINE +byte* +rec_get_start( +/*==========*/ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/**********************************************************//** +Returns a pointer to the end of the record. +@return pointer to end */ +UNIV_INLINE +byte* +rec_get_end( +/*========*/ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Copies a physical record to a buffer. +@return pointer to the origin of the copy */ +UNIV_INLINE +rec_t* +rec_copy( +/*=====*/ + void* buf, /*!< in: buffer */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +#ifndef UNIV_HOTBACKUP +/**************************************************************//** +Copies the first n fields of a physical record to a new physical record in +a buffer. +@return own: copied record */ +UNIV_INTERN +rec_t* +rec_copy_prefix_to_buf( +/*===================*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields + to copy */ + byte** buf, /*!< in/out: memory buffer + for the copied prefix, + or NULL */ + ulint* buf_size); /*!< in/out: buffer size */ +/************************************************************//** +Folds a prefix of a physical record to a ulint. +@return the folded value */ +UNIV_INLINE +ulint +rec_fold( +/*=====*/ + const rec_t* rec, /*!< in: the physical record */ + const ulint* offsets, /*!< in: array returned by + rec_get_offsets() */ + ulint n_fields, /*!< in: number of complete + fields to fold */ + ulint n_bytes, /*!< in: number of bytes to fold + in an incomplete last field */ + dulint tree_id) /*!< in: index tree id */ + __attribute__((pure)); +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************//** +Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ +UNIV_INTERN +void +rec_convert_dtuple_to_rec_comp( +/*===========================*/ + rec_t* rec, /*!< in: origin of record */ + ulint extra, /*!< in: number of bytes to + reserve between the record + header and the data payload + (normally REC_N_NEW_EXTRA_BYTES) */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields);/*!< in: number of data fields */ +/*********************************************************//** +Builds a physical record out of a data tuple and +stores it into the given buffer. +@return pointer to the origin of physical record */ +UNIV_INTERN +rec_t* +rec_convert_dtuple_to_rec( +/*======================*/ + byte* buf, /*!< in: start address of the + physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext); /*!< in: number of + externally stored columns */ +/**********************************************************//** +Returns the extra size of an old-style physical record if we know its +data size and number of fields. +@return extra size */ +UNIV_INLINE +ulint +rec_get_converted_extra_size( +/*=========================*/ + ulint data_size, /*!< in: data size */ + ulint n_fields, /*!< in: number of fields */ + ulint n_ext) /*!< in: number of externally stored columns */ + __attribute__((const)); +/**********************************************************//** +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. +@return total size */ +UNIV_INTERN +ulint +rec_get_converted_size_comp_prefix( +/*===============================*/ + const dict_index_t* index, /*!< in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra); /*!< out: extra size */ +/**********************************************************//** +Determines the size of a data tuple in ROW_FORMAT=COMPACT. +@return total size */ +UNIV_INTERN +ulint +rec_get_converted_size_comp( +/*========================*/ + const dict_index_t* index, /*!< in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra); /*!< out: extra size */ +/**********************************************************//** +The following function returns the size of a data tuple when converted to +a physical record. +@return size */ +UNIV_INLINE +ulint +rec_get_converted_size( +/*===================*/ + dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext); /*!< in: number of externally stored columns */ +#ifndef UNIV_HOTBACKUP +/**************************************************************//** +Copies the first n fields of a physical record to a data tuple. +The fields are copied to the memory heap. */ +UNIV_INTERN +void +rec_copy_prefix_to_dtuple( +/*======================*/ + dtuple_t* tuple, /*!< out: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields + to copy */ + mem_heap_t* heap); /*!< in: memory heap */ +#endif /* !UNIV_HOTBACKUP */ +/***************************************************************//** +Validates the consistency of a physical record. +@return TRUE if ok */ +UNIV_INTERN +ibool +rec_validate( +/*=========*/ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Prints an old-style physical record. */ +UNIV_INTERN +void +rec_print_old( +/*==========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec); /*!< in: physical record */ +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Prints a physical record in ROW_FORMAT=COMPACT. Ignores the +record header. */ +UNIV_INTERN +void +rec_print_comp( +/*===========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Prints a physical record. */ +UNIV_INTERN +void +rec_print_new( +/*==========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Prints a physical record. */ +UNIV_INTERN +void +rec_print( +/*======*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + dict_index_t* index); /*!< in: record descriptor */ +#endif /* UNIV_HOTBACKUP */ + +#define REC_INFO_BITS 6 /* This is single byte bit-field */ + +/* Maximum lengths for the data in a physical record if the offsets +are given in one byte (resp. two byte) format. */ +#define REC_1BYTE_OFFS_LIMIT 0x7FUL +#define REC_2BYTE_OFFS_LIMIT 0x7FFFUL + +/* The data size of record must be smaller than this because we reserve +two upmost bits in a two byte offset for special purposes */ +#define REC_MAX_DATA_SIZE (16 * 1024) + +#ifndef UNIV_NONINL +#include "rem0rec.ic" +#endif + +#endif diff --git a/perfschema/include/rem0rec.ic b/perfschema/include/rem0rec.ic new file mode 100644 index 00000000000..8e5bd9a7fcd --- /dev/null +++ b/perfschema/include/rem0rec.ic @@ -0,0 +1,1647 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/rem0rec.ic +Record manager + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#include "mach0data.h" +#include "ut0byte.h" +#include "dict0dict.h" + +/* Compact flag ORed to the extra size returned by rec_get_offsets() */ +#define REC_OFFS_COMPACT ((ulint) 1 << 31) +/* SQL NULL flag in offsets returned by rec_get_offsets() */ +#define REC_OFFS_SQL_NULL ((ulint) 1 << 31) +/* External flag in offsets returned by rec_get_offsets() */ +#define REC_OFFS_EXTERNAL ((ulint) 1 << 30) +/* Mask for offsets returned by rec_get_offsets() */ +#define REC_OFFS_MASK (REC_OFFS_EXTERNAL - 1) + +/* Offsets of the bit-fields in an old-style record. NOTE! In the table the +most significant bytes and bits are written below less significant. + + (1) byte offset (2) bit usage within byte + downward from + origin -> 1 8 bits pointer to next record + 2 8 bits pointer to next record + 3 1 bit short flag + 7 bits number of fields + 4 3 bits number of fields + 5 bits heap number + 5 8 bits heap number + 6 4 bits n_owned + 4 bits info bits +*/ + +/* Offsets of the bit-fields in a new-style record. NOTE! In the table the +most significant bytes and bits are written below less significant. + + (1) byte offset (2) bit usage within byte + downward from + origin -> 1 8 bits relative offset of next record + 2 8 bits relative offset of next record + the relative offset is an unsigned 16-bit + integer: + (offset_of_next_record + - offset_of_this_record) mod 64Ki, + where mod is the modulo as a non-negative + number; + we can calculate the offset of the next + record with the formula: + relative_offset + offset_of_this_record + mod UNIV_PAGE_SIZE + 3 3 bits status: + 000=conventional record + 001=node pointer record (inside B-tree) + 010=infimum record + 011=supremum record + 1xx=reserved + 5 bits heap number + 4 8 bits heap number + 5 4 bits n_owned + 4 bits info bits +*/ + +/* We list the byte offsets from the origin of the record, the mask, +and the shift needed to obtain each bit-field of the record. */ + +#define REC_NEXT 2 +#define REC_NEXT_MASK 0xFFFFUL +#define REC_NEXT_SHIFT 0 + +#define REC_OLD_SHORT 3 /* This is single byte bit-field */ +#define REC_OLD_SHORT_MASK 0x1UL +#define REC_OLD_SHORT_SHIFT 0 + +#define REC_OLD_N_FIELDS 4 +#define REC_OLD_N_FIELDS_MASK 0x7FEUL +#define REC_OLD_N_FIELDS_SHIFT 1 + +#define REC_NEW_STATUS 3 /* This is single byte bit-field */ +#define REC_NEW_STATUS_MASK 0x7UL +#define REC_NEW_STATUS_SHIFT 0 + +#define REC_OLD_HEAP_NO 5 +#define REC_HEAP_NO_MASK 0xFFF8UL +#if 0 /* defined in rem0rec.h for use of page0zip.c */ +#define REC_NEW_HEAP_NO 4 +#define REC_HEAP_NO_SHIFT 3 +#endif + +#define REC_OLD_N_OWNED 6 /* This is single byte bit-field */ +#define REC_NEW_N_OWNED 5 /* This is single byte bit-field */ +#define REC_N_OWNED_MASK 0xFUL +#define REC_N_OWNED_SHIFT 0 + +#define REC_OLD_INFO_BITS 6 /* This is single byte bit-field */ +#define REC_NEW_INFO_BITS 5 /* This is single byte bit-field */ +#define REC_INFO_BITS_MASK 0xF0UL +#define REC_INFO_BITS_SHIFT 0 + +/* The following masks are used to filter the SQL null bit from +one-byte and two-byte offsets */ + +#define REC_1BYTE_SQL_NULL_MASK 0x80UL +#define REC_2BYTE_SQL_NULL_MASK 0x8000UL + +/* In a 2-byte offset the second most significant bit denotes +a field stored to another page: */ + +#define REC_2BYTE_EXTERN_MASK 0x4000UL + +#if REC_OLD_SHORT_MASK << (8 * (REC_OLD_SHORT - 3)) \ + ^ REC_OLD_N_FIELDS_MASK << (8 * (REC_OLD_N_FIELDS - 4)) \ + ^ REC_HEAP_NO_MASK << (8 * (REC_OLD_HEAP_NO - 4)) \ + ^ REC_N_OWNED_MASK << (8 * (REC_OLD_N_OWNED - 3)) \ + ^ REC_INFO_BITS_MASK << (8 * (REC_OLD_INFO_BITS - 3)) \ + ^ 0xFFFFFFFFUL +# error "sum of old-style masks != 0xFFFFFFFFUL" +#endif +#if REC_NEW_STATUS_MASK << (8 * (REC_NEW_STATUS - 3)) \ + ^ REC_HEAP_NO_MASK << (8 * (REC_NEW_HEAP_NO - 4)) \ + ^ REC_N_OWNED_MASK << (8 * (REC_NEW_N_OWNED - 3)) \ + ^ REC_INFO_BITS_MASK << (8 * (REC_NEW_INFO_BITS - 3)) \ + ^ 0xFFFFFFUL +# error "sum of new-style masks != 0xFFFFFFUL" +#endif + +/***********************************************************//** +Sets the value of the ith field SQL null bit of an old-style record. */ +UNIV_INTERN +void +rec_set_nth_field_null_bit( +/*=======================*/ + rec_t* rec, /*!< in: record */ + ulint i, /*!< in: ith field */ + ibool val); /*!< in: value to set */ +/***********************************************************//** +Sets an old-style record field to SQL null. +The physical size of the field is not changed. */ +UNIV_INTERN +void +rec_set_nth_field_sql_null( +/*=======================*/ + rec_t* rec, /*!< in: record */ + ulint n); /*!< in: index of the field */ + +/******************************************************//** +Gets a bit field from within 1 byte. */ +UNIV_INLINE +ulint +rec_get_bit_field_1( +/*================*/ + const rec_t* rec, /*!< in: pointer to record origin */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ +{ + ut_ad(rec); + + return((mach_read_from_1(rec - offs) & mask) >> shift); +} + +/******************************************************//** +Sets a bit field within 1 byte. */ +UNIV_INLINE +void +rec_set_bit_field_1( +/*================*/ + rec_t* rec, /*!< in: pointer to record origin */ + ulint val, /*!< in: value to set */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ +{ + ut_ad(rec); + ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); + ut_ad(mask); + ut_ad(mask <= 0xFFUL); + ut_ad(((mask >> shift) << shift) == mask); + ut_ad(((val << shift) & mask) == (val << shift)); + + mach_write_to_1(rec - offs, + (mach_read_from_1(rec - offs) & ~mask) + | (val << shift)); +} + +/******************************************************//** +Gets a bit field from within 2 bytes. */ +UNIV_INLINE +ulint +rec_get_bit_field_2( +/*================*/ + const rec_t* rec, /*!< in: pointer to record origin */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ +{ + ut_ad(rec); + + return((mach_read_from_2(rec - offs) & mask) >> shift); +} + +/******************************************************//** +Sets a bit field within 2 bytes. */ +UNIV_INLINE +void +rec_set_bit_field_2( +/*================*/ + rec_t* rec, /*!< in: pointer to record origin */ + ulint val, /*!< in: value to set */ + ulint offs, /*!< in: offset from the origin down */ + ulint mask, /*!< in: mask used to filter bits */ + ulint shift) /*!< in: shift right applied after masking */ +{ + ut_ad(rec); + ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); + ut_ad(mask > 0xFFUL); + ut_ad(mask <= 0xFFFFUL); + ut_ad((mask >> shift) & 1); + ut_ad(0 == ((mask >> shift) & ((mask >> shift) + 1))); + ut_ad(((mask >> shift) << shift) == mask); + ut_ad(((val << shift) & mask) == (val << shift)); + + mach_write_to_2(rec - offs, + (mach_read_from_2(rec - offs) & ~mask) + | (val << shift)); +} + +/******************************************************//** +The following function is used to get the pointer of the next chained record +on the same page. +@return pointer to the next chained record, or NULL if none */ +UNIV_INLINE +const rec_t* +rec_get_next_ptr_const( +/*===================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + ulint field_value; + + ut_ad(REC_NEXT_MASK == 0xFFFFUL); + ut_ad(REC_NEXT_SHIFT == 0); + + field_value = mach_read_from_2(rec - REC_NEXT); + + if (UNIV_UNLIKELY(field_value == 0)) { + + return(NULL); + } + + if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { +#if UNIV_PAGE_SIZE <= 32768 + /* Note that for 64 KiB pages, field_value can 'wrap around' + and the debug assertion is not valid */ + + /* In the following assertion, field_value is interpreted + as signed 16-bit integer in 2's complement arithmetics. + If all platforms defined int16_t in the standard headers, + the expression could be written simpler as + (int16_t) field_value + ut_align_offset(...) < UNIV_PAGE_SIZE + */ + ut_ad((field_value >= 32768 + ? field_value - 65536 + : field_value) + + ut_align_offset(rec, UNIV_PAGE_SIZE) + < UNIV_PAGE_SIZE); +#endif + /* There must be at least REC_N_NEW_EXTRA_BYTES + 1 + between each record. */ + ut_ad((field_value > REC_N_NEW_EXTRA_BYTES + && field_value < 32768) + || field_value < (uint16) -REC_N_NEW_EXTRA_BYTES); + + return((byte*) ut_align_down(rec, UNIV_PAGE_SIZE) + + ut_align_offset(rec + field_value, UNIV_PAGE_SIZE)); + } else { + ut_ad(field_value < UNIV_PAGE_SIZE); + + return((byte*) ut_align_down(rec, UNIV_PAGE_SIZE) + + field_value); + } +} + +/******************************************************//** +The following function is used to get the pointer of the next chained record +on the same page. +@return pointer to the next chained record, or NULL if none */ +UNIV_INLINE +rec_t* +rec_get_next_ptr( +/*=============*/ + rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + return((rec_t*) rec_get_next_ptr_const(rec, comp)); +} + +/******************************************************//** +The following function is used to get the offset of the next chained record +on the same page. +@return the page offset of the next chained record, or 0 if none */ +UNIV_INLINE +ulint +rec_get_next_offs( +/*==============*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + ulint field_value; +#if REC_NEXT_MASK != 0xFFFFUL +# error "REC_NEXT_MASK != 0xFFFFUL" +#endif +#if REC_NEXT_SHIFT +# error "REC_NEXT_SHIFT != 0" +#endif + + field_value = mach_read_from_2(rec - REC_NEXT); + + if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { +#if UNIV_PAGE_SIZE <= 32768 + /* Note that for 64 KiB pages, field_value can 'wrap around' + and the debug assertion is not valid */ + + /* In the following assertion, field_value is interpreted + as signed 16-bit integer in 2's complement arithmetics. + If all platforms defined int16_t in the standard headers, + the expression could be written simpler as + (int16_t) field_value + ut_align_offset(...) < UNIV_PAGE_SIZE + */ + ut_ad((field_value >= 32768 + ? field_value - 65536 + : field_value) + + ut_align_offset(rec, UNIV_PAGE_SIZE) + < UNIV_PAGE_SIZE); +#endif + if (UNIV_UNLIKELY(field_value == 0)) { + + return(0); + } + + /* There must be at least REC_N_NEW_EXTRA_BYTES + 1 + between each record. */ + ut_ad((field_value > REC_N_NEW_EXTRA_BYTES + && field_value < 32768) + || field_value < (uint16) -REC_N_NEW_EXTRA_BYTES); + + return(ut_align_offset(rec + field_value, UNIV_PAGE_SIZE)); + } else { + ut_ad(field_value < UNIV_PAGE_SIZE); + + return(field_value); + } +} + +/******************************************************//** +The following function is used to set the next record offset field +of an old-style record. */ +UNIV_INLINE +void +rec_set_next_offs_old( +/*==================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint next) /*!< in: offset of the next record */ +{ + ut_ad(rec); + ut_ad(UNIV_PAGE_SIZE > next); +#if REC_NEXT_MASK != 0xFFFFUL +# error "REC_NEXT_MASK != 0xFFFFUL" +#endif +#if REC_NEXT_SHIFT +# error "REC_NEXT_SHIFT != 0" +#endif + + mach_write_to_2(rec - REC_NEXT, next); +} + +/******************************************************//** +The following function is used to set the next record offset field +of a new-style record. */ +UNIV_INLINE +void +rec_set_next_offs_new( +/*==================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint next) /*!< in: offset of the next record */ +{ + ulint field_value; + + ut_ad(rec); + ut_ad(UNIV_PAGE_SIZE > next); + + if (UNIV_UNLIKELY(!next)) { + field_value = 0; + } else { + /* The following two statements calculate + next - offset_of_rec mod 64Ki, where mod is the modulo + as a non-negative number */ + + field_value = (ulint) + ((lint) next + - (lint) ut_align_offset(rec, UNIV_PAGE_SIZE)); + field_value &= REC_NEXT_MASK; + } + + mach_write_to_2(rec - REC_NEXT, field_value); +} + +/******************************************************//** +The following function is used to get the number of fields +in an old-style record. +@return number of data fields */ +UNIV_INLINE +ulint +rec_get_n_fields_old( +/*=================*/ + const rec_t* rec) /*!< in: physical record */ +{ + ulint ret; + + ut_ad(rec); + + ret = rec_get_bit_field_2(rec, REC_OLD_N_FIELDS, + REC_OLD_N_FIELDS_MASK, + REC_OLD_N_FIELDS_SHIFT); + ut_ad(ret <= REC_MAX_N_FIELDS); + ut_ad(ret > 0); + + return(ret); +} + +/******************************************************//** +The following function is used to set the number of fields +in an old-style record. */ +UNIV_INLINE +void +rec_set_n_fields_old( +/*=================*/ + rec_t* rec, /*!< in: physical record */ + ulint n_fields) /*!< in: the number of fields */ +{ + ut_ad(rec); + ut_ad(n_fields <= REC_MAX_N_FIELDS); + ut_ad(n_fields > 0); + + rec_set_bit_field_2(rec, n_fields, REC_OLD_N_FIELDS, + REC_OLD_N_FIELDS_MASK, REC_OLD_N_FIELDS_SHIFT); +} + +/******************************************************//** +The following function retrieves the status bits of a new-style record. +@return status bits */ +UNIV_INLINE +ulint +rec_get_status( +/*===========*/ + const rec_t* rec) /*!< in: physical record */ +{ + ulint ret; + + ut_ad(rec); + + ret = rec_get_bit_field_1(rec, REC_NEW_STATUS, + REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); + ut_ad((ret & ~REC_NEW_STATUS_MASK) == 0); + + return(ret); +} + +/******************************************************//** +The following function is used to get the number of fields +in a record. +@return number of data fields */ +UNIV_INLINE +ulint +rec_get_n_fields( +/*=============*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index) /*!< in: record descriptor */ +{ + ut_ad(rec); + ut_ad(index); + + if (!dict_table_is_comp(index->table)) { + return(rec_get_n_fields_old(rec)); + } + + switch (rec_get_status(rec)) { + case REC_STATUS_ORDINARY: + return(dict_index_get_n_fields(index)); + case REC_STATUS_NODE_PTR: + return(dict_index_get_n_unique_in_tree(index) + 1); + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + return(1); + default: + ut_error; + return(ULINT_UNDEFINED); + } +} + +/******************************************************//** +The following function is used to get the number of records owned by the +previous directory record. +@return number of owned records */ +UNIV_INLINE +ulint +rec_get_n_owned_old( +/*================*/ + const rec_t* rec) /*!< in: old-style physical record */ +{ + return(rec_get_bit_field_1(rec, REC_OLD_N_OWNED, + REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); +} + +/******************************************************//** +The following function is used to set the number of owned records. */ +UNIV_INLINE +void +rec_set_n_owned_old( +/*================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint n_owned) /*!< in: the number of owned */ +{ + rec_set_bit_field_1(rec, n_owned, REC_OLD_N_OWNED, + REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); +} + +/******************************************************//** +The following function is used to get the number of records owned by the +previous directory record. +@return number of owned records */ +UNIV_INLINE +ulint +rec_get_n_owned_new( +/*================*/ + const rec_t* rec) /*!< in: new-style physical record */ +{ + return(rec_get_bit_field_1(rec, REC_NEW_N_OWNED, + REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); +} + +/******************************************************//** +The following function is used to set the number of owned records. */ +UNIV_INLINE +void +rec_set_n_owned_new( +/*================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint n_owned)/*!< in: the number of owned */ +{ + rec_set_bit_field_1(rec, n_owned, REC_NEW_N_OWNED, + REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); + if (UNIV_LIKELY_NULL(page_zip) + && UNIV_LIKELY(rec_get_status(rec) + != REC_STATUS_SUPREMUM)) { + page_zip_rec_set_owned(page_zip, rec, n_owned); + } +} + +/******************************************************//** +The following function is used to retrieve the info bits of a record. +@return info bits */ +UNIV_INLINE +ulint +rec_get_info_bits( +/*==============*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + return(rec_get_bit_field_1( + rec, comp ? REC_NEW_INFO_BITS : REC_OLD_INFO_BITS, + REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT)); +} + +/******************************************************//** +The following function is used to set the info bits of a record. */ +UNIV_INLINE +void +rec_set_info_bits_old( +/*==================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint bits) /*!< in: info bits */ +{ + rec_set_bit_field_1(rec, bits, REC_OLD_INFO_BITS, + REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); +} +/******************************************************//** +The following function is used to set the info bits of a record. */ +UNIV_INLINE +void +rec_set_info_bits_new( +/*==================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + ulint bits) /*!< in: info bits */ +{ + rec_set_bit_field_1(rec, bits, REC_NEW_INFO_BITS, + REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); +} + +/******************************************************//** +The following function is used to set the status bits of a new-style record. */ +UNIV_INLINE +void +rec_set_status( +/*===========*/ + rec_t* rec, /*!< in/out: physical record */ + ulint bits) /*!< in: info bits */ +{ + rec_set_bit_field_1(rec, bits, REC_NEW_STATUS, + REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); +} + +/******************************************************//** +The following function is used to retrieve the info and status +bits of a record. (Only compact records have status bits.) +@return info bits */ +UNIV_INLINE +ulint +rec_get_info_and_status_bits( +/*=========================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + ulint bits; +#if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ +& (REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT) +# error "REC_NEW_STATUS_MASK and REC_INFO_BITS_MASK overlap" +#endif + if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { + bits = rec_get_info_bits(rec, TRUE) | rec_get_status(rec); + } else { + bits = rec_get_info_bits(rec, FALSE); + ut_ad(!(bits & ~(REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT))); + } + return(bits); +} +/******************************************************//** +The following function is used to set the info and status +bits of a record. (Only compact records have status bits.) */ +UNIV_INLINE +void +rec_set_info_and_status_bits( +/*=========================*/ + rec_t* rec, /*!< in/out: physical record */ + ulint bits) /*!< in: info bits */ +{ +#if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ +& (REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT) +# error "REC_NEW_STATUS_MASK and REC_INFO_BITS_MASK overlap" +#endif + rec_set_status(rec, bits & REC_NEW_STATUS_MASK); + rec_set_info_bits_new(rec, bits & ~REC_NEW_STATUS_MASK); +} + +/******************************************************//** +The following function tells if record is delete marked. +@return nonzero if delete marked */ +UNIV_INLINE +ulint +rec_get_deleted_flag( +/*=================*/ + const rec_t* rec, /*!< in: physical record */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { + return(UNIV_UNLIKELY( + rec_get_bit_field_1(rec, REC_NEW_INFO_BITS, + REC_INFO_DELETED_FLAG, + REC_INFO_BITS_SHIFT))); + } else { + return(UNIV_UNLIKELY( + rec_get_bit_field_1(rec, REC_OLD_INFO_BITS, + REC_INFO_DELETED_FLAG, + REC_INFO_BITS_SHIFT))); + } +} + +/******************************************************//** +The following function is used to set the deleted bit. */ +UNIV_INLINE +void +rec_set_deleted_flag_old( +/*=====================*/ + rec_t* rec, /*!< in: old-style physical record */ + ulint flag) /*!< in: nonzero if delete marked */ +{ + ulint val; + + val = rec_get_info_bits(rec, FALSE); + + if (flag) { + val |= REC_INFO_DELETED_FLAG; + } else { + val &= ~REC_INFO_DELETED_FLAG; + } + + rec_set_info_bits_old(rec, val); +} + +/******************************************************//** +The following function is used to set the deleted bit. */ +UNIV_INLINE +void +rec_set_deleted_flag_new( +/*=====================*/ + rec_t* rec, /*!< in/out: new-style physical record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint flag) /*!< in: nonzero if delete marked */ +{ + ulint val; + + val = rec_get_info_bits(rec, TRUE); + + if (flag) { + val |= REC_INFO_DELETED_FLAG; + } else { + val &= ~REC_INFO_DELETED_FLAG; + } + + rec_set_info_bits_new(rec, val); + + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_rec_set_deleted(page_zip, rec, flag); + } +} + +/******************************************************//** +The following function tells if a new-style record is a node pointer. +@return TRUE if node pointer */ +UNIV_INLINE +ibool +rec_get_node_ptr_flag( +/*==================*/ + const rec_t* rec) /*!< in: physical record */ +{ + return(REC_STATUS_NODE_PTR == rec_get_status(rec)); +} + +/******************************************************//** +The following function is used to get the order number +of an old-style record in the heap of the index page. +@return heap order number */ +UNIV_INLINE +ulint +rec_get_heap_no_old( +/*================*/ + const rec_t* rec) /*!< in: physical record */ +{ + return(rec_get_bit_field_2(rec, REC_OLD_HEAP_NO, + REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); +} + +/******************************************************//** +The following function is used to set the heap number +field in an old-style record. */ +UNIV_INLINE +void +rec_set_heap_no_old( +/*================*/ + rec_t* rec, /*!< in: physical record */ + ulint heap_no)/*!< in: the heap number */ +{ + rec_set_bit_field_2(rec, heap_no, REC_OLD_HEAP_NO, + REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); +} + +/******************************************************//** +The following function is used to get the order number +of a new-style record in the heap of the index page. +@return heap order number */ +UNIV_INLINE +ulint +rec_get_heap_no_new( +/*================*/ + const rec_t* rec) /*!< in: physical record */ +{ + return(rec_get_bit_field_2(rec, REC_NEW_HEAP_NO, + REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); +} + +/******************************************************//** +The following function is used to set the heap number +field in a new-style record. */ +UNIV_INLINE +void +rec_set_heap_no_new( +/*================*/ + rec_t* rec, /*!< in/out: physical record */ + ulint heap_no)/*!< in: the heap number */ +{ + rec_set_bit_field_2(rec, heap_no, REC_NEW_HEAP_NO, + REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); +} + +/******************************************************//** +The following function is used to test whether the data offsets in the record +are stored in one-byte or two-byte format. +@return TRUE if 1-byte form */ +UNIV_INLINE +ibool +rec_get_1byte_offs_flag( +/*====================*/ + const rec_t* rec) /*!< in: physical record */ +{ +#if TRUE != 1 +#error "TRUE != 1" +#endif + + return(rec_get_bit_field_1(rec, REC_OLD_SHORT, REC_OLD_SHORT_MASK, + REC_OLD_SHORT_SHIFT)); +} + +/******************************************************//** +The following function is used to set the 1-byte offsets flag. */ +UNIV_INLINE +void +rec_set_1byte_offs_flag( +/*====================*/ + rec_t* rec, /*!< in: physical record */ + ibool flag) /*!< in: TRUE if 1byte form */ +{ +#if TRUE != 1 +#error "TRUE != 1" +#endif + ut_ad(flag <= TRUE); + + rec_set_bit_field_1(rec, flag, REC_OLD_SHORT, REC_OLD_SHORT_MASK, + REC_OLD_SHORT_SHIFT); +} + +/******************************************************//** +Returns the offset of nth field end if the record is stored in the 1-byte +offsets form. If the field is SQL null, the flag is ORed in the returned +value. +@return offset of the start of the field, SQL null flag ORed */ +UNIV_INLINE +ulint +rec_1_get_field_end_info( +/*=====================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(rec_get_1byte_offs_flag(rec)); + ut_ad(n < rec_get_n_fields_old(rec)); + + return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1))); +} + +/******************************************************//** +Returns the offset of nth field end if the record is stored in the 2-byte +offsets form. If the field is SQL null, the flag is ORed in the returned +value. +@return offset of the start of the field, SQL null flag and extern +storage flag ORed */ +UNIV_INLINE +ulint +rec_2_get_field_end_info( +/*=====================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(!rec_get_1byte_offs_flag(rec)); + ut_ad(n < rec_get_n_fields_old(rec)); + + return(mach_read_from_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n + 2))); +} + +/* Get the base address of offsets. The extra_size is stored at +this position, and following positions hold the end offsets of +the fields. */ +#define rec_offs_base(offsets) (offsets + REC_OFFS_HEADER_SIZE) + +/**********************************************************//** +The following function returns the number of allocated elements +for an array of offsets. +@return number of elements */ +UNIV_INLINE +ulint +rec_offs_get_n_alloc( +/*=================*/ + const ulint* offsets)/*!< in: array for rec_get_offsets() */ +{ + ulint n_alloc; + ut_ad(offsets); + n_alloc = offsets[0]; + ut_ad(n_alloc > REC_OFFS_HEADER_SIZE); + UNIV_MEM_ASSERT_W(offsets, n_alloc * sizeof *offsets); + return(n_alloc); +} + +/**********************************************************//** +The following function sets the number of allocated elements +for an array of offsets. */ +UNIV_INLINE +void +rec_offs_set_n_alloc( +/*=================*/ + ulint* offsets, /*!< out: array for rec_get_offsets(), + must be allocated */ + ulint n_alloc) /*!< in: number of elements */ +{ + ut_ad(offsets); + ut_ad(n_alloc > REC_OFFS_HEADER_SIZE); + UNIV_MEM_ASSERT_AND_ALLOC(offsets, n_alloc * sizeof *offsets); + offsets[0] = n_alloc; +} + +/**********************************************************//** +The following function returns the number of fields in a record. +@return number of fields */ +UNIV_INLINE +ulint +rec_offs_n_fields( +/*==============*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint n_fields; + ut_ad(offsets); + n_fields = offsets[1]; + ut_ad(n_fields > 0); + ut_ad(n_fields <= REC_MAX_N_FIELDS); + ut_ad(n_fields + REC_OFFS_HEADER_SIZE + <= rec_offs_get_n_alloc(offsets)); + return(n_fields); +} + +/************************************************************//** +Validates offsets returned by rec_get_offsets(). +@return TRUE if valid */ +UNIV_INLINE +ibool +rec_offs_validate( +/*==============*/ + const rec_t* rec, /*!< in: record or NULL */ + const dict_index_t* index, /*!< in: record descriptor or NULL */ + const ulint* offsets)/*!< in: array returned by + rec_get_offsets() */ +{ + ulint i = rec_offs_n_fields(offsets); + ulint last = ULINT_MAX; + ulint comp = *rec_offs_base(offsets) & REC_OFFS_COMPACT; + + if (rec) { + ut_ad((ulint) rec == offsets[2]); + if (!comp) { + ut_a(rec_get_n_fields_old(rec) >= i); + } + } + if (index) { + ulint max_n_fields; + ut_ad((ulint) index == offsets[3]); + max_n_fields = ut_max( + dict_index_get_n_fields(index), + dict_index_get_n_unique_in_tree(index) + 1); + if (comp && rec) { + switch (rec_get_status(rec)) { + case REC_STATUS_ORDINARY: + break; + case REC_STATUS_NODE_PTR: + max_n_fields = dict_index_get_n_unique_in_tree( + index) + 1; + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + max_n_fields = 1; + break; + default: + ut_error; + } + } + /* index->n_def == 0 for dummy indexes if !comp */ + ut_a(!comp || index->n_def); + ut_a(!index->n_def || i <= max_n_fields); + } + while (i--) { + ulint curr = rec_offs_base(offsets)[1 + i] & REC_OFFS_MASK; + ut_a(curr <= last); + last = curr; + } + return(TRUE); +} +#ifdef UNIV_DEBUG +/************************************************************//** +Updates debug data in offsets, in order to avoid bogus +rec_offs_validate() failures. */ +UNIV_INLINE +void +rec_offs_make_valid( +/*================*/ + const rec_t* rec, /*!< in: record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in: array returned by + rec_get_offsets() */ +{ + ut_ad(rec); + ut_ad(index); + ut_ad(offsets); + ut_ad(rec_get_n_fields(rec, index) >= rec_offs_n_fields(offsets)); + offsets[2] = (ulint) rec; + offsets[3] = (ulint) index; +} +#endif /* UNIV_DEBUG */ + +/************************************************************//** +The following function is used to get an offset to the nth +data field in a record. +@return offset from the origin of rec */ +UNIV_INLINE +ulint +rec_get_nth_field_offs( +/*===================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index of the field */ + ulint* len) /*!< out: length of the field; UNIV_SQL_NULL + if SQL null */ +{ + ulint offs; + ulint length; + ut_ad(n < rec_offs_n_fields(offsets)); + ut_ad(len); + + if (UNIV_UNLIKELY(n == 0)) { + offs = 0; + } else { + offs = rec_offs_base(offsets)[n] & REC_OFFS_MASK; + } + + length = rec_offs_base(offsets)[1 + n]; + + if (length & REC_OFFS_SQL_NULL) { + length = UNIV_SQL_NULL; + } else { + length &= REC_OFFS_MASK; + length -= offs; + } + + *len = length; + return(offs); +} + +/******************************************************//** +Determine if the offsets are for a record in the new +compact format. +@return nonzero if compact format */ +UNIV_INLINE +ulint +rec_offs_comp( +/*==========*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + return(*rec_offs_base(offsets) & REC_OFFS_COMPACT); +} + +/******************************************************//** +Determine if the offsets are for a record containing +externally stored columns. +@return nonzero if externally stored */ +UNIV_INLINE +ulint +rec_offs_any_extern( +/*================*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + return(UNIV_UNLIKELY(*rec_offs_base(offsets) & REC_OFFS_EXTERNAL)); +} + +/******************************************************//** +Returns nonzero if the extern bit is set in nth field of rec. +@return nonzero if externally stored */ +UNIV_INLINE +ulint +rec_offs_nth_extern( +/*================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ +{ + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + ut_ad(n < rec_offs_n_fields(offsets)); + return(UNIV_UNLIKELY(rec_offs_base(offsets)[1 + n] + & REC_OFFS_EXTERNAL)); +} + +/******************************************************//** +Returns nonzero if the SQL NULL bit is set in nth field of rec. +@return nonzero if SQL NULL */ +UNIV_INLINE +ulint +rec_offs_nth_sql_null( +/*==================*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ +{ + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + ut_ad(n < rec_offs_n_fields(offsets)); + return(UNIV_UNLIKELY(rec_offs_base(offsets)[1 + n] + & REC_OFFS_SQL_NULL)); +} + +/******************************************************//** +Gets the physical size of a field. +@return length of field */ +UNIV_INLINE +ulint +rec_offs_nth_size( +/*==============*/ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: nth field */ +{ + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + ut_ad(n < rec_offs_n_fields(offsets)); + if (!n) { + return(rec_offs_base(offsets)[1 + n] & REC_OFFS_MASK); + } + return((rec_offs_base(offsets)[1 + n] - rec_offs_base(offsets)[n]) + & REC_OFFS_MASK); +} + +/******************************************************//** +Returns the number of extern bits set in a record. +@return number of externally stored fields */ +UNIV_INLINE +ulint +rec_offs_n_extern( +/*==============*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint n = 0; + + if (rec_offs_any_extern(offsets)) { + ulint i; + + for (i = rec_offs_n_fields(offsets); i--; ) { + if (rec_offs_nth_extern(offsets, i)) { + n++; + } + } + } + + return(n); +} + +/******************************************************//** +Returns the offset of n - 1th field end if the record is stored in the 1-byte +offsets form. If the field is SQL null, the flag is ORed in the returned +value. This function and the 2-byte counterpart are defined here because the +C-compiler was not able to sum negative and positive constant offsets, and +warned of constant arithmetic overflow within the compiler. +@return offset of the start of the PREVIOUS field, SQL null flag ORed */ +UNIV_INLINE +ulint +rec_1_get_prev_field_end_info( +/*==========================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(rec_get_1byte_offs_flag(rec)); + ut_ad(n <= rec_get_n_fields_old(rec)); + + return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n))); +} + +/******************************************************//** +Returns the offset of n - 1th field end if the record is stored in the 2-byte +offsets form. If the field is SQL null, the flag is ORed in the returned +value. +@return offset of the start of the PREVIOUS field, SQL null flag ORed */ +UNIV_INLINE +ulint +rec_2_get_prev_field_end_info( +/*==========================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(!rec_get_1byte_offs_flag(rec)); + ut_ad(n <= rec_get_n_fields_old(rec)); + + return(mach_read_from_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n))); +} + +/******************************************************//** +Sets the field end info for the nth field if the record is stored in the +1-byte format. */ +UNIV_INLINE +void +rec_1_set_field_end_info( +/*=====================*/ + rec_t* rec, /*!< in: record */ + ulint n, /*!< in: field index */ + ulint info) /*!< in: value to set */ +{ + ut_ad(rec_get_1byte_offs_flag(rec)); + ut_ad(n < rec_get_n_fields_old(rec)); + + mach_write_to_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1), info); +} + +/******************************************************//** +Sets the field end info for the nth field if the record is stored in the +2-byte format. */ +UNIV_INLINE +void +rec_2_set_field_end_info( +/*=====================*/ + rec_t* rec, /*!< in: record */ + ulint n, /*!< in: field index */ + ulint info) /*!< in: value to set */ +{ + ut_ad(!rec_get_1byte_offs_flag(rec)); + ut_ad(n < rec_get_n_fields_old(rec)); + + mach_write_to_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n + 2), info); +} + +/******************************************************//** +Returns the offset of nth field start if the record is stored in the 1-byte +offsets form. +@return offset of the start of the field */ +UNIV_INLINE +ulint +rec_1_get_field_start_offs( +/*=======================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(rec_get_1byte_offs_flag(rec)); + ut_ad(n <= rec_get_n_fields_old(rec)); + + if (n == 0) { + + return(0); + } + + return(rec_1_get_prev_field_end_info(rec, n) + & ~REC_1BYTE_SQL_NULL_MASK); +} + +/******************************************************//** +Returns the offset of nth field start if the record is stored in the 2-byte +offsets form. +@return offset of the start of the field */ +UNIV_INLINE +ulint +rec_2_get_field_start_offs( +/*=======================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(!rec_get_1byte_offs_flag(rec)); + ut_ad(n <= rec_get_n_fields_old(rec)); + + if (n == 0) { + + return(0); + } + + return(rec_2_get_prev_field_end_info(rec, n) + & ~(REC_2BYTE_SQL_NULL_MASK | REC_2BYTE_EXTERN_MASK)); +} + +/******************************************************//** +The following function is used to read the offset of the start of a data field +in the record. The start of an SQL null field is the end offset of the +previous non-null field, or 0, if none exists. If n is the number of the last +field + 1, then the end offset of the last field is returned. +@return offset of the start of the field */ +UNIV_INLINE +ulint +rec_get_field_start_offs( +/*=====================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: field index */ +{ + ut_ad(rec); + ut_ad(n <= rec_get_n_fields_old(rec)); + + if (n == 0) { + + return(0); + } + + if (rec_get_1byte_offs_flag(rec)) { + + return(rec_1_get_field_start_offs(rec, n)); + } + + return(rec_2_get_field_start_offs(rec, n)); +} + +/************************************************************//** +Gets the physical size of an old-style field. +Also an SQL null may have a field of size > 0, +if the data type is of a fixed size. +@return field size in bytes */ +UNIV_INLINE +ulint +rec_get_nth_field_size( +/*===================*/ + const rec_t* rec, /*!< in: record */ + ulint n) /*!< in: index of the field */ +{ + ulint os; + ulint next_os; + + os = rec_get_field_start_offs(rec, n); + next_os = rec_get_field_start_offs(rec, n + 1); + + ut_ad(next_os - os < UNIV_PAGE_SIZE); + + return(next_os - os); +} + +/***********************************************************//** +This is used to modify the value of an already existing field in a record. +The previous value must have exactly the same size as the new value. If len +is UNIV_SQL_NULL then the field is treated as an SQL null. +For records in ROW_FORMAT=COMPACT (new-style records), len must not be +UNIV_SQL_NULL unless the field already is SQL null. */ +UNIV_INLINE +void +rec_set_nth_field( +/*==============*/ + rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n, /*!< in: index number of the field */ + const void* data, /*!< in: pointer to the data + if not SQL null */ + ulint len) /*!< in: length of the data or UNIV_SQL_NULL */ +{ + byte* data2; + ulint len2; + + ut_ad(rec); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + if (UNIV_UNLIKELY(len == UNIV_SQL_NULL)) { + if (!rec_offs_nth_sql_null(offsets, n)) { + ut_a(!rec_offs_comp(offsets)); + rec_set_nth_field_sql_null(rec, n); + } + + return; + } + + data2 = rec_get_nth_field(rec, offsets, n, &len2); + if (len2 == UNIV_SQL_NULL) { + ut_ad(!rec_offs_comp(offsets)); + rec_set_nth_field_null_bit(rec, n, FALSE); + ut_ad(len == rec_get_nth_field_size(rec, n)); + } else { + ut_ad(len2 == len); + } + + ut_memcpy(data2, data, len); +} + +/**********************************************************//** +The following function returns the data size of an old-style physical +record, that is the sum of field lengths. SQL null fields +are counted as length 0 fields. The value returned by the function +is the distance from record origin to record end in bytes. +@return size */ +UNIV_INLINE +ulint +rec_get_data_size_old( +/*==================*/ + const rec_t* rec) /*!< in: physical record */ +{ + ut_ad(rec); + + return(rec_get_field_start_offs(rec, rec_get_n_fields_old(rec))); +} + +/**********************************************************//** +The following function sets the number of fields in offsets. */ +UNIV_INLINE +void +rec_offs_set_n_fields( +/*==================*/ + ulint* offsets, /*!< in/out: array returned by + rec_get_offsets() */ + ulint n_fields) /*!< in: number of fields */ +{ + ut_ad(offsets); + ut_ad(n_fields > 0); + ut_ad(n_fields <= REC_MAX_N_FIELDS); + ut_ad(n_fields + REC_OFFS_HEADER_SIZE + <= rec_offs_get_n_alloc(offsets)); + offsets[1] = n_fields; +} + +/**********************************************************//** +The following function returns the data size of a physical +record, that is the sum of field lengths. SQL null fields +are counted as length 0 fields. The value returned by the function +is the distance from record origin to record end in bytes. +@return size */ +UNIV_INLINE +ulint +rec_offs_data_size( +/*===============*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint size; + + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + size = rec_offs_base(offsets)[rec_offs_n_fields(offsets)] + & REC_OFFS_MASK; + ut_ad(size < UNIV_PAGE_SIZE); + return(size); +} + +/**********************************************************//** +Returns the total size of record minus data size of record. The value +returned by the function is the distance from record start to record origin +in bytes. +@return size */ +UNIV_INLINE +ulint +rec_offs_extra_size( +/*================*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint size; + ut_ad(rec_offs_validate(NULL, NULL, offsets)); + size = *rec_offs_base(offsets) & ~(REC_OFFS_COMPACT | REC_OFFS_EXTERNAL); + ut_ad(size < UNIV_PAGE_SIZE); + return(size); +} + +/**********************************************************//** +Returns the total size of a physical record. +@return size */ +UNIV_INLINE +ulint +rec_offs_size( +/*==========*/ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + return(rec_offs_data_size(offsets) + rec_offs_extra_size(offsets)); +} + +/**********************************************************//** +Returns a pointer to the end of the record. +@return pointer to end */ +UNIV_INLINE +byte* +rec_get_end( +/*========*/ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ut_ad(rec_offs_validate(rec, NULL, offsets)); + return(rec + rec_offs_data_size(offsets)); +} + +/**********************************************************//** +Returns a pointer to the start of the record. +@return pointer to start */ +UNIV_INLINE +byte* +rec_get_start( +/*==========*/ + rec_t* rec, /*!< in: pointer to record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ut_ad(rec_offs_validate(rec, NULL, offsets)); + return(rec - rec_offs_extra_size(offsets)); +} + +/***************************************************************//** +Copies a physical record to a buffer. +@return pointer to the origin of the copy */ +UNIV_INLINE +rec_t* +rec_copy( +/*=====*/ + void* buf, /*!< in: buffer */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint extra_len; + ulint data_len; + + ut_ad(rec && buf); + ut_ad(rec_offs_validate((rec_t*) rec, NULL, offsets)); + ut_ad(rec_validate(rec, offsets)); + + extra_len = rec_offs_extra_size(offsets); + data_len = rec_offs_data_size(offsets); + + ut_memcpy(buf, rec - extra_len, extra_len + data_len); + + return((byte*)buf + extra_len); +} + +/**********************************************************//** +Returns the extra size of an old-style physical record if we know its +data size and number of fields. +@return extra size */ +UNIV_INLINE +ulint +rec_get_converted_extra_size( +/*=========================*/ + ulint data_size, /*!< in: data size */ + ulint n_fields, /*!< in: number of fields */ + ulint n_ext) /*!< in: number of externally stored columns */ +{ + if (!n_ext && data_size <= REC_1BYTE_OFFS_LIMIT) { + + return(REC_N_OLD_EXTRA_BYTES + n_fields); + } + + return(REC_N_OLD_EXTRA_BYTES + 2 * n_fields); +} + +/**********************************************************//** +The following function returns the size of a data tuple when converted to +a physical record. +@return size */ +UNIV_INLINE +ulint +rec_get_converted_size( +/*===================*/ + dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of externally stored columns */ +{ + ulint data_size; + ulint extra_size; + + ut_ad(index); + ut_ad(dtuple); + ut_ad(dtuple_check_typed(dtuple)); + + ut_ad(index->type & DICT_UNIVERSAL + || dtuple_get_n_fields(dtuple) + == (((dtuple_get_info_bits(dtuple) & REC_NEW_STATUS_MASK) + == REC_STATUS_NODE_PTR) + ? dict_index_get_n_unique_in_tree(index) + 1 + : dict_index_get_n_fields(index))); + + if (dict_table_is_comp(index->table)) { + return(rec_get_converted_size_comp(index, + dtuple_get_info_bits(dtuple) + & REC_NEW_STATUS_MASK, + dtuple->fields, + dtuple->n_fields, NULL)); + } + + data_size = dtuple_get_data_size(dtuple, 0); + + extra_size = rec_get_converted_extra_size( + data_size, dtuple_get_n_fields(dtuple), n_ext); + + return(data_size + extra_size); +} + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Folds a prefix of a physical record to a ulint. Folds only existing fields, +that is, checks that we do not run out of the record. +@return the folded value */ +UNIV_INLINE +ulint +rec_fold( +/*=====*/ + const rec_t* rec, /*!< in: the physical record */ + const ulint* offsets, /*!< in: array returned by + rec_get_offsets() */ + ulint n_fields, /*!< in: number of complete + fields to fold */ + ulint n_bytes, /*!< in: number of bytes to fold + in an incomplete last field */ + dulint tree_id) /*!< in: index tree id */ +{ + ulint i; + const byte* data; + ulint len; + ulint fold; + ulint n_fields_rec; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(rec_validate(rec, offsets)); + ut_ad(n_fields + n_bytes > 0); + + n_fields_rec = rec_offs_n_fields(offsets); + ut_ad(n_fields <= n_fields_rec); + ut_ad(n_fields < n_fields_rec || n_bytes == 0); + + if (n_fields > n_fields_rec) { + n_fields = n_fields_rec; + } + + if (n_fields == n_fields_rec) { + n_bytes = 0; + } + + fold = ut_fold_dulint(tree_id); + + for (i = 0; i < n_fields; i++) { + data = rec_get_nth_field(rec, offsets, i, &len); + + if (len != UNIV_SQL_NULL) { + fold = ut_fold_ulint_pair(fold, + ut_fold_binary(data, len)); + } + } + + if (n_bytes > 0) { + data = rec_get_nth_field(rec, offsets, i, &len); + + if (len != UNIV_SQL_NULL) { + if (len > n_bytes) { + len = n_bytes; + } + + fold = ut_fold_ulint_pair(fold, + ut_fold_binary(data, len)); + } + } + + return(fold); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/rem0types.h b/perfschema/include/rem0types.h new file mode 100644 index 00000000000..8b84d4af233 --- /dev/null +++ b/perfschema/include/rem0types.h @@ -0,0 +1,46 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file include/rem0types.h +Record manager global types + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#ifndef rem0types_h +#define rem0types_h + +/* We define the physical record simply as an array of bytes */ +typedef byte rec_t; + +/* Maximum values for various fields (for non-blob tuples) */ +#define REC_MAX_N_FIELDS (1024 - 1) +#define REC_MAX_HEAP_NO (2 * 8192 - 1) +#define REC_MAX_N_OWNED (16 - 1) + +/* REC_MAX_INDEX_COL_LEN is measured in bytes and is the maximum +indexed column length (or indexed prefix length). It is set to 3*256, +so that one can create a column prefix index on 256 characters of a +TEXT or VARCHAR column also in the UTF-8 charset. In that charset, +a character may take at most 3 bytes. +This constant MUST NOT BE CHANGED, or the compatibility of InnoDB data +files would be at risk! */ +#define REC_MAX_INDEX_COL_LEN 768 + +#endif diff --git a/perfschema/include/row0ext.h b/perfschema/include/row0ext.h new file mode 100644 index 00000000000..43d82d644e6 --- /dev/null +++ b/perfschema/include/row0ext.h @@ -0,0 +1,95 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0ext.h +Caching of externally stored column prefixes + +Created September 2006 Marko Makela +*******************************************************/ + +#ifndef row0ext_h +#define row0ext_h + +#include "univ.i" +#include "row0types.h" +#include "data0types.h" +#include "mem0mem.h" + +/********************************************************************//** +Creates a cache of column prefixes of externally stored columns. +@return own: column prefix cache */ +UNIV_INTERN +row_ext_t* +row_ext_create( +/*===========*/ + ulint n_ext, /*!< in: number of externally stored columns */ + const ulint* ext, /*!< in: col_no's of externally stored columns + in the InnoDB table object, as reported by + dict_col_get_no(); NOT relative to the records + in the clustered index */ + const dtuple_t* tuple, /*!< in: data tuple containing the field + references of the externally stored + columns; must be indexed by col_no; + the clustered index record must be + covered by a lock or a page latch + to prevent deletion (rollback or purge). */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + mem_heap_t* heap); /*!< in: heap where created */ + +/********************************************************************//** +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ +UNIV_INLINE +const byte* +row_ext_lookup_ith( +/*===============*/ + const row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint* len); /*!< out: length of prefix, in bytes, + at most REC_MAX_INDEX_COL_LEN */ +/********************************************************************//** +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ +UNIV_INLINE +const byte* +row_ext_lookup( +/*===========*/ + const row_ext_t* ext, /*!< in: column prefix cache */ + ulint col, /*!< in: column number in the InnoDB + table object, as reported by + dict_col_get_no(); NOT relative to the + records in the clustered index */ + ulint* len); /*!< out: length of prefix, in bytes, + at most REC_MAX_INDEX_COL_LEN */ + +/** Prefixes of externally stored columns */ +struct row_ext_struct{ + ulint n_ext; /*!< number of externally stored columns */ + const ulint* ext; /*!< col_no's of externally stored columns */ + byte* buf; /*!< backing store of the column prefix cache */ + ulint len[1]; /*!< prefix lengths; 0 if not cached */ +}; + +#ifndef UNIV_NONINL +#include "row0ext.ic" +#endif + +#endif diff --git a/perfschema/include/row0ext.ic b/perfschema/include/row0ext.ic new file mode 100644 index 00000000000..82771a9312a --- /dev/null +++ b/perfschema/include/row0ext.ic @@ -0,0 +1,84 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0ext.ic +Caching of externally stored column prefixes + +Created September 2006 Marko Makela +*******************************************************/ + +#include "rem0types.h" +#include "btr0types.h" + +/********************************************************************//** +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ +UNIV_INLINE +const byte* +row_ext_lookup_ith( +/*===============*/ + const row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint* len) /*!< out: length of prefix, in bytes, + at most REC_MAX_INDEX_COL_LEN */ +{ + ut_ad(ext); + ut_ad(len); + ut_ad(i < ext->n_ext); + + *len = ext->len[i]; + + if (UNIV_UNLIKELY(*len == 0)) { + /* The BLOB could not be fetched to the cache. */ + return(field_ref_zero); + } else { + return(ext->buf + i * REC_MAX_INDEX_COL_LEN); + } +} + +/********************************************************************//** +Looks up a column prefix of an externally stored column. +@return column prefix, or NULL if the column is not stored externally, +or pointer to field_ref_zero if the BLOB pointer is unset */ +UNIV_INLINE +const byte* +row_ext_lookup( +/*===========*/ + const row_ext_t* ext, /*!< in: column prefix cache */ + ulint col, /*!< in: column number in the InnoDB + table object, as reported by + dict_col_get_no(); NOT relative to the + records in the clustered index */ + ulint* len) /*!< out: length of prefix, in bytes, + at most REC_MAX_INDEX_COL_LEN */ +{ + ulint i; + + ut_ad(ext); + ut_ad(len); + + for (i = 0; i < ext->n_ext; i++) { + if (col == ext->ext[i]) { + return(row_ext_lookup_ith(ext, i, len)); + } + } + + return(NULL); +} diff --git a/perfschema/include/row0ins.h b/perfschema/include/row0ins.h new file mode 100644 index 00000000000..9f93565ddb7 --- /dev/null +++ b/perfschema/include/row0ins.h @@ -0,0 +1,156 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0ins.h +Insert into a table + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + +#ifndef row0ins_h +#define row0ins_h + +#include "univ.i" +#include "data0data.h" +#include "que0types.h" +#include "dict0types.h" +#include "trx0types.h" +#include "row0types.h" + +/***************************************************************//** +Checks if foreign key constraint fails for an index entry. Sets shared locks +which lock either the success or the failure of the constraint. NOTE that +the caller must have a shared latch on dict_foreign_key_check_lock. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_NO_REFERENCED_ROW, or +DB_ROW_IS_REFERENCED */ +UNIV_INTERN +ulint +row_ins_check_foreign_constraint( +/*=============================*/ + ibool check_ref,/*!< in: TRUE If we want to check that + the referenced table is ok, FALSE if we + want to check the foreign key table */ + dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the + tables mentioned in it must be in the + dictionary cache if they exist at all */ + dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign + table, else the referenced table */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr); /*!< in: query thread */ +/*********************************************************************//** +Creates an insert node struct. +@return own: insert node struct */ +UNIV_INTERN +ins_node_t* +ins_node_create( +/*============*/ + ulint ins_type, /*!< in: INS_VALUES, ... */ + dict_table_t* table, /*!< in: table where to insert */ + mem_heap_t* heap); /*!< in: mem heap where created */ +/*********************************************************************//** +Sets a new row to insert for an INS_DIRECT node. This function is only used +if we have constructed the row separately, which is a rare case; this +function is quite slow. */ +UNIV_INTERN +void +ins_node_set_new_row( +/*=================*/ + ins_node_t* node, /*!< in: insert node */ + dtuple_t* row); /*!< in: new row (or first row) for the node */ +/***************************************************************//** +Inserts an index entry to index. Tries first optimistic, then pessimistic +descent down the tree. If the entry matches enough to a delete marked record, +performs the insert by updating or delete unmarking the delete marked +record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ +UNIV_INTERN +ulint +row_ins_index_entry( +/*================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + ibool foreign,/*!< in: TRUE=check foreign key constraints */ + que_thr_t* thr); /*!< in: query thread */ +/***********************************************************//** +Inserts a row to a table. This is a high-level function used in +SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_ins_step( +/*=========*/ + que_thr_t* thr); /*!< in: query thread */ +/***********************************************************//** +Creates an entry template for each index of a table. */ +UNIV_INTERN +void +ins_node_create_entry_list( +/*=======================*/ + ins_node_t* node); /*!< in: row insert node */ + +/* Insert node structure */ + +struct ins_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_INSERT */ + ulint ins_type;/* INS_VALUES, INS_SEARCHED, or INS_DIRECT */ + dtuple_t* row; /*!< row to insert */ + dict_table_t* table; /*!< table where to insert */ + sel_node_t* select; /*!< select in searched insert */ + que_node_t* values_list;/* list of expressions to evaluate and + insert in an INS_VALUES insert */ + ulint state; /*!< node execution state */ + dict_index_t* index; /*!< NULL, or the next index where the index + entry should be inserted */ + dtuple_t* entry; /*!< NULL, or entry to insert in the index; + after a successful insert of the entry, + this should be reset to NULL */ + UT_LIST_BASE_NODE_T(dtuple_t) + entry_list;/* list of entries, one for each index */ + byte* row_id_buf;/* buffer for the row id sys field in row */ + trx_id_t trx_id; /*!< trx id or the last trx which executed the + node */ + byte* trx_id_buf;/* buffer for the trx id sys field in row */ + mem_heap_t* entry_sys_heap; + /* memory heap used as auxiliary storage; + entry_list and sys fields are stored here; + if this is NULL, entry list should be created + and buffers for sys fields in row allocated */ + ulint magic_n; +}; + +#define INS_NODE_MAGIC_N 15849075 + +/* Insert node types */ +#define INS_SEARCHED 0 /* INSERT INTO ... SELECT ... */ +#define INS_VALUES 1 /* INSERT INTO ... VALUES ... */ +#define INS_DIRECT 2 /* this is for internal use in dict0crea: + insert the row directly */ + +/* Node execution states */ +#define INS_NODE_SET_IX_LOCK 1 /* we should set an IX lock on table */ +#define INS_NODE_ALLOC_ROW_ID 2 /* row id should be allocated */ +#define INS_NODE_INSERT_ENTRIES 3 /* index entries should be built and + inserted */ + +#ifndef UNIV_NONINL +#include "row0ins.ic" +#endif + +#endif diff --git a/perfschema/include/row0ins.ic b/perfschema/include/row0ins.ic new file mode 100644 index 00000000000..84f6da255bf --- /dev/null +++ b/perfschema/include/row0ins.ic @@ -0,0 +1,26 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0ins.ic +Insert into a table + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + + diff --git a/perfschema/include/row0merge.h b/perfschema/include/row0merge.h new file mode 100644 index 00000000000..fbeb125ce7b --- /dev/null +++ b/perfschema/include/row0merge.h @@ -0,0 +1,197 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0merge.h +Index build routines using a merge sort + +Created 13/06/2005 Jan Lindstrom +*******************************************************/ + +#ifndef row0merge_h +#define row0merge_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "mtr0mtr.h" +#include "rem0types.h" +#include "rem0rec.h" +#include "read0types.h" +#include "btr0types.h" +#include "row0mysql.h" +#include "lock0types.h" + +/** Index field definition */ +struct merge_index_field_struct { + ulint prefix_len; /*!< column prefix length, or 0 + if indexing the whole column */ + const char* field_name; /*!< field name */ +}; + +/** Index field definition */ +typedef struct merge_index_field_struct merge_index_field_t; + +/** Definition of an index being created */ +struct merge_index_def_struct { + const char* name; /*!< index name */ + ulint ind_type; /*!< 0, DICT_UNIQUE, + or DICT_CLUSTERED */ + ulint n_fields; /*!< number of fields + in index */ + merge_index_field_t* fields; /*!< field definitions */ +}; + +/** Definition of an index being created */ +typedef struct merge_index_def_struct merge_index_def_t; + +/*********************************************************************//** +Sets an exclusive lock on a table, for the duration of creating indexes. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_merge_lock_table( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table, /*!< in: table to lock */ + enum lock_mode mode); /*!< in: LOCK_X or LOCK_S */ +/*********************************************************************//** +Drop an index from the InnoDB system tables. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ +UNIV_INTERN +void +row_merge_drop_index( +/*=================*/ + dict_index_t* index, /*!< in: index to be removed */ + dict_table_t* table, /*!< in: table */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Drop those indexes which were created before an error occurred when +building an index. The data dictionary must have been locked +exclusively by the caller, because the transaction will not be +committed. */ +UNIV_INTERN +void +row_merge_drop_indexes( +/*===================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table containing the indexes */ + dict_index_t** index, /*!< in: indexes to drop */ + ulint num_created); /*!< in: number of elements in index[] */ +/*********************************************************************//** +Drop all partially created indexes during crash recovery. */ +UNIV_INTERN +void +row_merge_drop_temp_indexes(void); +/*=============================*/ +/*********************************************************************//** +Rename the tables in the data dictionary. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_merge_rename_tables( +/*====================*/ + dict_table_t* old_table, /*!< in/out: old table, renamed to + tmp_name */ + dict_table_t* new_table, /*!< in/out: new table, renamed to + old_table->name */ + const char* tmp_name, /*!< in: new name for old_table */ + trx_t* trx); /*!< in: transaction handle */ + +/*********************************************************************//** +Create a temporary table for creating a primary key, using the definition +of an existing table. +@return table, or NULL on error */ +UNIV_INTERN +dict_table_t* +row_merge_create_temporary_table( +/*=============================*/ + const char* table_name, /*!< in: new table name */ + const merge_index_def_t*index_def, /*!< in: the index definition + of the primary key */ + const dict_table_t* table, /*!< in: old table definition */ + trx_t* trx); /*!< in/out: transaction + (sets error_state) */ +/*********************************************************************//** +Rename the temporary indexes in the dictionary to permanent ones. The +data dictionary must have been locked exclusively by the caller, +because the transaction will not be committed. +@return DB_SUCCESS if all OK */ +UNIV_INTERN +ulint +row_merge_rename_indexes( +/*=====================*/ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table); /*!< in/out: table with new indexes */ +/*********************************************************************//** +Create the index and load in to the dictionary. +@return index, or NULL on error */ +UNIV_INTERN +dict_index_t* +row_merge_create_index( +/*===================*/ + trx_t* trx, /*!< in/out: trx (sets error_state) */ + dict_table_t* table, /*!< in: the index is on this table */ + const merge_index_def_t*index_def); + /*!< in: the index definition */ +/*********************************************************************//** +Check if a transaction can use an index. +@return TRUE if index can be used by the transaction else FALSE */ +UNIV_INTERN +ibool +row_merge_is_index_usable( +/*======================*/ + const trx_t* trx, /*!< in: transaction */ + const dict_index_t* index); /*!< in: index to check */ +/*********************************************************************//** +If there are views that refer to the old table name then we "attach" to +the new instance of the table else we drop it immediately. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_merge_drop_table( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table); /*!< in: table instance to drop */ + +/*********************************************************************//** +Build indexes on a table by reading a clustered index, +creating a temporary file containing index entries, merge sorting +these index entries and inserting sorted index entries to indexes. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_merge_build_indexes( +/*====================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* old_table, /*!< in: table where rows are + read from */ + dict_table_t* new_table, /*!< in: table where indexes are + created; identical to old_table + unless creating a PRIMARY KEY */ + dict_index_t** indexes, /*!< in: indexes to be created */ + ulint n_indexes, /*!< in: size of indexes[] */ + struct TABLE* table); /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +#endif /* row0merge.h */ diff --git a/perfschema/include/row0mysql.h b/perfschema/include/row0mysql.h new file mode 100644 index 00000000000..d2a8734c61f --- /dev/null +++ b/perfschema/include/row0mysql.h @@ -0,0 +1,795 @@ +/***************************************************************************** + +Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0mysql.h +Interface between Innobase row operations and MySQL. +Contains also create table and other data dictionary operations. + +Created 9/17/2000 Heikki Tuuri +*******************************************************/ + +#ifndef row0mysql_h +#define row0mysql_h + +#include "univ.i" +#include "data0data.h" +#include "que0types.h" +#include "dict0types.h" +#include "trx0types.h" +#include "row0types.h" +#include "btr0pcur.h" +#include "trx0types.h" + +extern ibool row_rollback_on_timeout; + +typedef struct row_prebuilt_struct row_prebuilt_t; + +/*******************************************************************//** +Frees the blob heap in prebuilt when no longer needed. */ +UNIV_INTERN +void +row_mysql_prebuilt_free_blob_heap( +/*==============================*/ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct of a + ha_innobase:: table handle */ +/*******************************************************************//** +Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row +format. +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ +UNIV_INTERN +byte* +row_mysql_store_true_var_len( +/*=========================*/ + byte* dest, /*!< in: where to store */ + ulint len, /*!< in: length, must fit in two bytes */ + ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ +/*******************************************************************//** +Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and +returns a pointer to the data. +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ +UNIV_INTERN +const byte* +row_mysql_read_true_varchar( +/*========================*/ + ulint* len, /*!< out: variable-length field length */ + const byte* field, /*!< in: field in the MySQL format */ + ulint lenlen);/*!< in: storage length of len: either 1 + or 2 bytes */ +/*******************************************************************//** +Stores a reference to a BLOB in the MySQL format. */ +UNIV_INTERN +void +row_mysql_store_blob_ref( +/*=====================*/ + byte* dest, /*!< in: where to store */ + ulint col_len,/*!< in: dest buffer size: determines into + how many bytes the BLOB length is stored, + the space for the length may vary from 1 + to 4 bytes */ + const void* data, /*!< in: BLOB data; if the value to store + is SQL NULL this should be NULL pointer */ + ulint len); /*!< in: BLOB length; if the value to store + is SQL NULL this should be 0; remember + also to set the NULL bit in the MySQL record + header! */ +/*******************************************************************//** +Reads a reference to a BLOB in the MySQL format. +@return pointer to BLOB data */ +UNIV_INTERN +const byte* +row_mysql_read_blob_ref( +/*====================*/ + ulint* len, /*!< out: BLOB length */ + const byte* ref, /*!< in: BLOB reference in the + MySQL format */ + ulint col_len); /*!< in: BLOB reference length + (not BLOB length) */ +/**************************************************************//** +Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. +The counterpart of this function is row_sel_field_store_in_mysql_format() in +row0sel.c. +@return up to which byte we used buf in the conversion */ +UNIV_INTERN +byte* +row_mysql_store_col_in_innobase_format( +/*===================================*/ + dfield_t* dfield, /*!< in/out: dfield where dtype + information must be already set when + this function is called! */ + byte* buf, /*!< in/out: buffer for a converted + integer value; this must be at least + col_len long then! */ + ibool row_format_col, /*!< TRUE if the mysql_data is from + a MySQL row, FALSE if from a MySQL + key value; + in MySQL, a true VARCHAR storage + format differs in a row and in a + key value: in a key value the length + is always stored in 2 bytes! */ + const byte* mysql_data, /*!< in: MySQL column value, not + SQL NULL; NOTE that dfield may also + get a pointer to mysql_data, + therefore do not discard this as long + as dfield is used! */ + ulint col_len, /*!< in: MySQL column length; NOTE that + this is the storage length of the + column in the MySQL format row, not + necessarily the length of the actual + payload data; if the column is a true + VARCHAR then this is irrelevant */ + ulint comp); /*!< in: nonzero=compact format */ +/****************************************************************//** +Handles user errors and lock waits detected by the database engine. +@return TRUE if it was a lock wait and we should continue running the +query thread */ +UNIV_INTERN +ibool +row_mysql_handle_errors( +/*====================*/ + ulint* new_err,/*!< out: possible new error encountered in + rollback, or the old error which was + during the function entry */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_savept_t* savept);/*!< in: savepoint */ +/********************************************************************//** +Create a prebuilt struct for a MySQL table handle. +@return own: a prebuilt struct */ +UNIV_INTERN +row_prebuilt_t* +row_create_prebuilt( +/*================*/ + dict_table_t* table); /*!< in: Innobase table handle */ +/********************************************************************//** +Free a prebuilt struct for a MySQL table handle. */ +UNIV_INTERN +void +row_prebuilt_free( +/*==============*/ + row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ + ibool dict_locked); /*!< in: TRUE=data dictionary locked */ +/*********************************************************************//** +Updates the transaction pointers in query graphs stored in the prebuilt +struct. */ +UNIV_INTERN +void +row_update_prebuilt_trx( +/*====================*/ + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct + in MySQL handle */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Unlocks AUTO_INC type locks that were possibly reserved by a trx. This +function should be called at the the end of an SQL statement, by the +connection thread that owns the transaction (trx->mysql_thd). */ +UNIV_INTERN +void +row_unlock_table_autoinc_for_mysql( +/*===============================*/ + trx_t* trx); /*!< in/out: transaction */ +/*********************************************************************//** +Sets an AUTO_INC type lock on the table mentioned in prebuilt. The +AUTO_INC lock gives exclusive access to the auto-inc counter of the +table. The lock is reserved only for the duration of an SQL statement. +It is not compatible with another AUTO_INC or exclusive lock on the +table. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_lock_table_autoinc_for_mysql( +/*=============================*/ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in the MySQL + table handle */ +/*********************************************************************//** +Sets a table lock on the table mentioned in prebuilt. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_lock_table_for_mysql( +/*=====================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL + table handle */ + dict_table_t* table, /*!< in: table to lock, or NULL + if prebuilt->table should be + locked as + prebuilt->select_lock_type */ + ulint mode); /*!< in: lock mode of table + (ignored if table==NULL) */ + +/*********************************************************************//** +Does an insert for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_insert_for_mysql( +/*=================*/ + byte* mysql_rec, /*!< in: row in the MySQL format */ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL + handle */ +/*********************************************************************//** +Builds a dummy query graph used in selects. */ +UNIV_INTERN +void +row_prebuild_sel_graph( +/*===================*/ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL + handle */ +/*********************************************************************//** +Gets pointer to a prebuilt update vector used in updates. If the update +graph has not yet been built in the prebuilt struct, then this function +first builds it. +@return prebuilt update vector */ +UNIV_INTERN +upd_t* +row_get_prebuilt_update_vector( +/*===========================*/ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL + handle */ +/*********************************************************************//** +Checks if a table is such that we automatically created a clustered +index on it (on row id). +@return TRUE if the clustered index was generated automatically */ +UNIV_INTERN +ibool +row_table_got_default_clust_index( +/*==============================*/ + const dict_table_t* table); /*!< in: table */ +/*********************************************************************//** +Calculates the key number used inside MySQL for an Innobase index. We have +to take into account if we generated a default clustered index for the table +@return the key number used inside MySQL */ +UNIV_INTERN +ulint +row_get_mysql_key_number_for_index( +/*===============================*/ + const dict_index_t* index); /*!< in: index */ +/*********************************************************************//** +Does an update or delete of a row for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_update_for_mysql( +/*=================*/ + byte* mysql_rec, /*!< in: the row to be updated, in + the MySQL format */ + row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL + handle */ +/*********************************************************************//** +This can only be used when srv_locks_unsafe_for_binlog is TRUE or +session is using a READ COMMITTED isolation level. Before +calling this function we must use trx_reset_new_rec_lock_info() and +trx_register_new_rec_lock() to store the information which new record locks +really were set. This function removes a newly set lock under prebuilt->pcur, +and also under prebuilt->clust_pcur. Currently, this is only used and tested +in the case of an UPDATE or a DELETE statement, where the row lock is of the +LOCK_X type. +Thus, this implements a 'mini-rollback' that releases the latest record +locks we set. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_unlock_for_mysql( +/*=================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL + handle */ + ibool has_latches_on_recs);/*!< TRUE if called so that we have + the latches on the records under pcur + and clust_pcur, and we do not need to + reposition the cursors. */ +/*********************************************************************//** +Creates an query graph node of 'update' type to be used in the MySQL +interface. +@return own: update node */ +UNIV_INTERN +upd_node_t* +row_create_update_node_for_mysql( +/*=============================*/ + dict_table_t* table, /*!< in: table to update */ + mem_heap_t* heap); /*!< in: mem heap from which allocated */ +/**********************************************************************//** +Does a cascaded delete or set null in a foreign key operation. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_update_cascade_for_mysql( +/*=========================*/ + que_thr_t* thr, /*!< in: query thread */ + upd_node_t* node, /*!< in: update node used in the cascade + or set null operation */ + dict_table_t* table); /*!< in: table where we do the operation */ +/*********************************************************************//** +Locks the data dictionary exclusively for performing a table create or other +data dictionary modification operation. */ +UNIV_INTERN +void +row_mysql_lock_data_dictionary_func( +/*================================*/ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line); /*!< in: line number */ +#define row_mysql_lock_data_dictionary(trx) \ + row_mysql_lock_data_dictionary_func(trx, __FILE__, __LINE__) +/*********************************************************************//** +Unlocks the data dictionary exclusive lock. */ +UNIV_INTERN +void +row_mysql_unlock_data_dictionary( +/*=============================*/ + trx_t* trx); /*!< in/out: transaction */ +/*********************************************************************//** +Locks the data dictionary in shared mode from modifications, for performing +foreign key check, rollback, or other operation invisible to MySQL. */ +UNIV_INTERN +void +row_mysql_freeze_data_dictionary_func( +/*==================================*/ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line); /*!< in: line number */ +#define row_mysql_freeze_data_dictionary(trx) \ + row_mysql_freeze_data_dictionary_func(trx, __FILE__, __LINE__) +/*********************************************************************//** +Unlocks the data dictionary shared lock. */ +UNIV_INTERN +void +row_mysql_unfreeze_data_dictionary( +/*===============================*/ + trx_t* trx); /*!< in/out: transaction */ +/*********************************************************************//** +Creates a table for MySQL. If the name of the table ends in +one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", +"innodb_table_monitor", then this will also start the printing of monitor +output by the master thread. If the table name ends in "innodb_mem_validate", +InnoDB will try to invoke mem_validate(). +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_create_table_for_mysql( +/*=======================*/ + dict_table_t* table, /*!< in, own: table definition + (will be freed) */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Does an index creation operation for MySQL. TODO: currently failure +to create an index results in dropping the whole table! This is no problem +currently as all indexes must be created at the same time as the table. +@return error number or DB_SUCCESS */ +UNIV_INTERN +int +row_create_index_for_mysql( +/*=======================*/ + dict_index_t* index, /*!< in, own: index definition + (will be freed) */ + trx_t* trx, /*!< in: transaction handle */ + const ulint* field_lengths); /*!< in: if not NULL, must contain + dict_index_get_n_fields(index) + actual field lengths for the + index columns, which are + then checked for not being too + large. */ +/*********************************************************************//** +Scans a table create SQL string and adds to the data dictionary +the foreign key constraints declared in the string. This function +should be called after the indexes for a table have been created. +Each foreign key constraint must be accompanied with indexes in +bot participating tables. The indexes are allowed to contain more +fields than mentioned in the constraint. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_table_add_foreign_constraints( +/*==============================*/ + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where + foreign keys are declared like: + FOREIGN KEY (a, b) REFERENCES table2(c, d), + table2 can be written also with the + database name before it: test.table2 */ + const char* name, /*!< in: table full name in the + normalized form + database_name/table_name */ + ibool reject_fks); /*!< in: if TRUE, fail with error + code DB_CANNOT_ADD_CONSTRAINT if + any foreign keys are found. */ + +/*********************************************************************//** +The master thread in srv0srv.c calls this regularly to drop tables which +we must drop in background after queries to them have ended. Such lazy +dropping of tables is needed in ALTER TABLE on Unix. +@return how many tables dropped + remaining tables in list */ +UNIV_INTERN +ulint +row_drop_tables_for_mysql_in_background(void); +/*=========================================*/ +/*********************************************************************//** +Get the background drop list length. NOTE: the caller must own the kernel +mutex! +@return how many tables in list */ +UNIV_INTERN +ulint +row_get_background_drop_list_len_low(void); +/*======================================*/ +/*********************************************************************//** +Truncates a table for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_truncate_table_for_mysql( +/*=========================*/ + dict_table_t* table, /*!< in: table handle */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Drops a table for MySQL. If the name of the dropped table ends in +one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", +"innodb_table_monitor", then this will also stop the printing of monitor +output by the master thread. If the data dictionary was not already locked +by the transaction, the transaction will be committed. Otherwise, the +data dictionary will remain locked. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_drop_table_for_mysql( +/*=====================*/ + const char* name, /*!< in: table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool drop_db);/*!< in: TRUE=dropping whole database */ +/*********************************************************************//** +Drop all temporary tables during crash recovery. */ +UNIV_INTERN +void +row_mysql_drop_temp_tables(void); +/*============================*/ + +/*********************************************************************//** +Discards the tablespace of a table which stored in an .ibd file. Discarding +means that this function deletes the .ibd file and assigns a new table id for +the table. Also the flag table->ibd_file_missing is set TRUE. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_discard_tablespace_for_mysql( +/*=============================*/ + const char* name, /*!< in: table name */ + trx_t* trx); /*!< in: transaction handle */ +/*****************************************************************//** +Imports a tablespace. The space id in the .ibd file must match the space id +of the table in the data dictionary. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_import_tablespace_for_mysql( +/*============================*/ + const char* name, /*!< in: table name */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Drops a database for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_drop_database_for_mysql( +/*========================*/ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx); /*!< in: transaction handle */ +/*********************************************************************//** +Renames a table for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_rename_table_for_mysql( +/*=======================*/ + const char* old_name, /*!< in: old table name */ + const char* new_name, /*!< in: new table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool commit); /*!< in: if TRUE then commit trx */ +/*********************************************************************//** +Checks that the index contains entries in an ascending order, unique +constraint is not broken, and calculates the number of index entries +in the read view of the current transaction. +@return DB_SUCCESS if ok */ +UNIV_INTERN +ulint +row_check_index_for_mysql( +/*======================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct + in MySQL handle */ + const dict_index_t* index, /*!< in: index */ + ulint* n_rows); /*!< out: number of entries + seen in the consistent read */ + +/*********************************************************************//** +Determines if a table is a magic monitor table. +@return TRUE if monitor table */ +UNIV_INTERN +ibool +row_is_magic_monitor_table( +/*=======================*/ + const char* table_name); /*!< in: name of the table, in the + form database/table_name */ + +/* A struct describing a place for an individual column in the MySQL +row format which is presented to the table handler in ha_innobase. +This template struct is used to speed up row transformations between +Innobase and MySQL. */ + +typedef struct mysql_row_templ_struct mysql_row_templ_t; +struct mysql_row_templ_struct { + ulint col_no; /*!< column number of the column */ + ulint rec_field_no; /*!< field number of the column in an + Innobase record in the current index; + not defined if template_type is + ROW_MYSQL_WHOLE_ROW */ + ulint mysql_col_offset; /*!< offset of the column in the MySQL + row format */ + ulint mysql_col_len; /*!< length of the column in the MySQL + row format */ + ulint mysql_null_byte_offset; /*!< MySQL NULL bit byte offset in a + MySQL record */ + ulint mysql_null_bit_mask; /*!< bit mask to get the NULL bit, + zero if column cannot be NULL */ + ulint type; /*!< column type in Innobase mtype + numbers DATA_CHAR... */ + ulint mysql_type; /*!< MySQL type code; this is always + < 256 */ + ulint mysql_length_bytes; /*!< if mysql_type + == DATA_MYSQL_TRUE_VARCHAR, this tells + whether we should use 1 or 2 bytes to + store the MySQL true VARCHAR data + length at the start of row in the MySQL + format (NOTE that the MySQL key value + format always uses 2 bytes for the data + len) */ + ulint charset; /*!< MySQL charset-collation code + of the column, or zero */ + ulint mbminlen; /*!< minimum length of a char, in bytes, + or zero if not a char type */ + ulint mbmaxlen; /*!< maximum length of a char, in bytes, + or zero if not a char type */ + ulint is_unsigned; /*!< if a column type is an integer + type and this field is != 0, then + it is an unsigned integer type */ +}; + +#define MYSQL_FETCH_CACHE_SIZE 8 +/* After fetching this many rows, we start caching them in fetch_cache */ +#define MYSQL_FETCH_CACHE_THRESHOLD 4 + +#define ROW_PREBUILT_ALLOCATED 78540783 +#define ROW_PREBUILT_FREED 26423527 + +/** A struct for (sometimes lazily) prebuilt structures in an Innobase table +handle used within MySQL; these are used to save CPU time. */ + +struct row_prebuilt_struct { + ulint magic_n; /*!< this magic number is set to + ROW_PREBUILT_ALLOCATED when created, + or ROW_PREBUILT_FREED when the + struct has been freed */ + dict_table_t* table; /*!< Innobase table handle */ + dict_index_t* index; /*!< current index for a search, if + any */ + trx_t* trx; /*!< current transaction handle */ + unsigned sql_stat_start:1;/*!< TRUE when we start processing of + an SQL statement: we may have to set + an intention lock on the table, + create a consistent read view etc. */ + unsigned mysql_has_locked:1;/*!< this is set TRUE when MySQL + calls external_lock on this handle + with a lock flag, and set FALSE when + with the F_UNLOCK flag */ + unsigned clust_index_was_generated:1; + /*!< if the user did not define a + primary key in MySQL, then Innobase + automatically generated a clustered + index where the ordering column is + the row id: in this case this flag + is set to TRUE */ + unsigned index_usable:1; /*!< caches the value of + row_merge_is_index_usable(trx,index) */ + unsigned read_just_key:1;/*!< set to 1 when MySQL calls + ha_innobase::extra with the + argument HA_EXTRA_KEYREAD; it is enough + to read just columns defined in + the index (i.e., no read of the + clustered index record necessary) */ + unsigned used_in_HANDLER:1;/*!< TRUE if we have been using this + handle in a MySQL HANDLER low level + index cursor command: then we must + store the pcur position even in a + unique search from a clustered index, + because HANDLER allows NEXT and PREV + in such a situation */ + unsigned template_type:2;/*!< ROW_MYSQL_WHOLE_ROW, + ROW_MYSQL_REC_FIELDS, + ROW_MYSQL_DUMMY_TEMPLATE, or + ROW_MYSQL_NO_TEMPLATE */ + unsigned n_template:10; /*!< number of elements in the + template */ + unsigned null_bitmap_len:10;/*!< number of bytes in the SQL NULL + bitmap at the start of a row in the + MySQL format */ + unsigned need_to_access_clustered:1; /*!< if we are fetching + columns through a secondary index + and at least one column is not in + the secondary index, then this is + set to TRUE */ + unsigned templ_contains_blob:1;/*!< TRUE if the template contains + BLOB column(s) */ + mysql_row_templ_t* mysql_template;/*!< template used to transform + rows fast between MySQL and Innobase + formats; memory for this template + is not allocated from 'heap' */ + mem_heap_t* heap; /*!< memory heap from which + these auxiliary structures are + allocated when needed */ + ins_node_t* ins_node; /*!< Innobase SQL insert node + used to perform inserts + to the table */ + byte* ins_upd_rec_buff;/*!< buffer for storing data converted + to the Innobase format from the MySQL + format */ + const byte* default_rec; /*!< the default values of all columns + (a "default row") in MySQL format */ + ulint hint_need_to_fetch_extra_cols; + /*!< normally this is set to 0; if this + is set to ROW_RETRIEVE_PRIMARY_KEY, + then we should at least retrieve all + columns in the primary key; if this + is set to ROW_RETRIEVE_ALL_COLS, then + we must retrieve all columns in the + key (if read_just_key == 1), or all + columns in the table */ + upd_node_t* upd_node; /*!< Innobase SQL update node used + to perform updates and deletes */ + que_fork_t* ins_graph; /*!< Innobase SQL query graph used + in inserts */ + que_fork_t* upd_graph; /*!< Innobase SQL query graph used + in updates or deletes */ + btr_pcur_t* pcur; /*!< persistent cursor used in selects + and updates */ + btr_pcur_t* clust_pcur; /*!< persistent cursor used in + some selects and updates */ + que_fork_t* sel_graph; /*!< dummy query graph used in + selects */ + dtuple_t* search_tuple; /*!< prebuilt dtuple used in selects */ + byte row_id[DATA_ROW_ID_LEN]; + /*!< if the clustered index was + generated, the row id of the + last row fetched is stored + here */ + dtuple_t* clust_ref; /*!< prebuilt dtuple used in + sel/upd/del */ + ulint select_lock_type;/*!< LOCK_NONE, LOCK_S, or LOCK_X */ + ulint stored_select_lock_type;/*!< this field is used to + remember the original select_lock_type + that was decided in ha_innodb.cc, + ::store_lock(), ::external_lock(), + etc. */ + ulint row_read_type; /*!< ROW_READ_WITH_LOCKS if row locks + should be the obtained for records + under an UPDATE or DELETE cursor. + If innodb_locks_unsafe_for_binlog + is TRUE, this can be set to + ROW_READ_TRY_SEMI_CONSISTENT, so that + if the row under an UPDATE or DELETE + cursor was locked by another + transaction, InnoDB will resort + to reading the last committed value + ('semi-consistent read'). Then, + this field will be set to + ROW_READ_DID_SEMI_CONSISTENT to + indicate that. If the row does not + match the WHERE condition, MySQL will + invoke handler::unlock_row() to + clear the flag back to + ROW_READ_TRY_SEMI_CONSISTENT and + to simply skip the row. If + the row matches, the next call to + row_search_for_mysql() will lock + the row. + This eliminates lock waits in some + cases; note that this breaks + serializability. */ + ulint new_rec_locks; /*!< normally 0; if + srv_locks_unsafe_for_binlog is + TRUE or session is using READ + COMMITTED isolation level, in a + cursor search, if we set a new + record lock on an index, this is + incremented; this is used in + releasing the locks under the + cursors if we are performing an + UPDATE and we determine after + retrieving the row that it does + not need to be locked; thus, + these can be used to implement a + 'mini-rollback' that releases + the latest record locks */ + ulint mysql_prefix_len;/*!< byte offset of the end of + the last requested column */ + ulint mysql_row_len; /*!< length in bytes of a row in the + MySQL format */ + ulint n_rows_fetched; /*!< number of rows fetched after + positioning the current cursor */ + ulint fetch_direction;/*!< ROW_SEL_NEXT or ROW_SEL_PREV */ + byte* fetch_cache[MYSQL_FETCH_CACHE_SIZE]; + /*!< a cache for fetched rows if we + fetch many rows from the same cursor: + it saves CPU time to fetch them in a + batch; we reserve mysql_row_len + bytes for each such row; these + pointers point 4 bytes past the + allocated mem buf start, because + there is a 4 byte magic number at the + start and at the end */ + ibool keep_other_fields_on_keyread; /*!< when using fetch + cache with HA_EXTRA_KEYREAD, don't + overwrite other fields in mysql row + row buffer.*/ + ulint fetch_cache_first;/*!< position of the first not yet + fetched row in fetch_cache */ + ulint n_fetch_cached; /*!< number of not yet fetched rows + in fetch_cache */ + mem_heap_t* blob_heap; /*!< in SELECTS BLOB fields are copied + to this heap */ + mem_heap_t* old_vers_heap; /*!< memory heap where a previous + version is built in consistent read */ + /*----------------------*/ + ulonglong autoinc_last_value; + /*!< last value of AUTO-INC interval */ + ulonglong autoinc_increment;/*!< The increment step of the auto + increment column. Value must be + greater than or equal to 1. Required to + calculate the next value */ + ulonglong autoinc_offset; /*!< The offset passed to + get_auto_increment() by MySQL. Required + to calculate the next value */ + ulint autoinc_error; /*!< The actual error code encountered + while trying to init or read the + autoinc value from the table. We + store it here so that we can return + it to MySQL */ + /*----------------------*/ + ulint magic_n2; /*!< this should be the same as + magic_n */ +}; + +#define ROW_PREBUILT_FETCH_MAGIC_N 465765687 + +#define ROW_MYSQL_WHOLE_ROW 0 +#define ROW_MYSQL_REC_FIELDS 1 +#define ROW_MYSQL_NO_TEMPLATE 2 +#define ROW_MYSQL_DUMMY_TEMPLATE 3 /* dummy template used in + row_scan_and_check_index */ + +/* Values for hint_need_to_fetch_extra_cols */ +#define ROW_RETRIEVE_PRIMARY_KEY 1 +#define ROW_RETRIEVE_ALL_COLS 2 + +/* Values for row_read_type */ +#define ROW_READ_WITH_LOCKS 0 +#define ROW_READ_TRY_SEMI_CONSISTENT 1 +#define ROW_READ_DID_SEMI_CONSISTENT 2 + +#ifndef UNIV_NONINL +#include "row0mysql.ic" +#endif + +#endif diff --git a/perfschema/include/row0mysql.ic b/perfschema/include/row0mysql.ic new file mode 100644 index 00000000000..35033aa2ad1 --- /dev/null +++ b/perfschema/include/row0mysql.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 2001, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0mysql.ic +MySQL interface for Innobase + +Created 1/23/2001 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/row0purge.h b/perfschema/include/row0purge.h new file mode 100644 index 00000000000..485d51dbc83 --- /dev/null +++ b/perfschema/include/row0purge.h @@ -0,0 +1,118 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0purge.h +Purge obsolete records + +Created 3/14/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0purge_h +#define row0purge_h + +#include "univ.i" +#include "data0data.h" +#include "btr0types.h" +#include "btr0pcur.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "row0types.h" + +/********************************************************************//** +Creates a purge node to a query graph. +@return own: purge node */ +UNIV_INTERN +purge_node_t* +row_purge_node_create( +/*==================*/ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap); /*!< in: memory heap where created */ +/***********************************************************//** +Determines if it is possible to remove a secondary index entry. +Removal is possible if the secondary index entry does not refer to any +not delete marked version of a clustered index record where DB_TRX_ID +is newer than the purge view. + +NOTE: This function should only be called by the purge thread, only +while holding a latch on the leaf page of the secondary index entry +(or keeping the buffer pool watch on the page). It is possible that +this function first returns TRUE and then FALSE, if a user transaction +inserts a record that the secondary index entry would refer to. +However, in that case, the user transaction would also re-insert the +secondary index entry after purge has removed it and released the leaf +page latch. +@return TRUE if the secondary index record can be purged */ +UNIV_INTERN +ibool +row_purge_poss_sec( +/*===============*/ + purge_node_t* node, /*!< in/out: row purge node */ + dict_index_t* index, /*!< in: secondary index */ + const dtuple_t* entry); /*!< in: secondary index entry */ +/*************************************************************** +Does the purge operation for a single undo log record. This is a high-level +function used in an SQL execution graph. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_purge_step( +/*===========*/ + que_thr_t* thr); /*!< in: query thread */ + +/* Purge node structure */ + +struct purge_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_PURGE */ + /*----------------------*/ + /* Local storage for this graph node */ + roll_ptr_t roll_ptr;/* roll pointer to undo log record */ + trx_undo_rec_t* undo_rec;/* undo log record */ + trx_undo_inf_t* reservation;/* reservation for the undo log record in + the purge array */ + undo_no_t undo_no;/* undo number of the record */ + ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, + ... */ + btr_pcur_t pcur; /*!< persistent cursor used in searching the + clustered index record */ + ibool found_clust;/* TRUE if the clustered index record + determined by ref was found in the clustered + index, and we were able to position pcur on + it */ + dict_table_t* table; /*!< table where purge is done */ + ulint cmpl_info;/* compiler analysis info of an update */ + upd_t* update; /*!< update vector for a clustered index + record */ + dtuple_t* ref; /*!< NULL, or row reference to the next row to + handle */ + dtuple_t* row; /*!< NULL, or a copy (also fields copied to + heap) of the indexed fields of the row to + handle */ + dict_index_t* index; /*!< NULL, or the next index whose record should + be handled */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage for + row; this must be emptied after a successful + purge of a row */ +}; + +#ifndef UNIV_NONINL +#include "row0purge.ic" +#endif + +#endif diff --git a/perfschema/include/row0purge.ic b/perfschema/include/row0purge.ic new file mode 100644 index 00000000000..23d7d3845a4 --- /dev/null +++ b/perfschema/include/row0purge.ic @@ -0,0 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + + +/**************************************************//** +@file include/row0purge.ic +Purge obsolete records + +Created 3/14/1997 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/row0row.h b/perfschema/include/row0row.h new file mode 100644 index 00000000000..b40aa619f9f --- /dev/null +++ b/perfschema/include/row0row.h @@ -0,0 +1,324 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0row.h +General row routines + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + +#ifndef row0row_h +#define row0row_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "mtr0mtr.h" +#include "rem0types.h" +#include "read0types.h" +#include "row0types.h" +#include "btr0types.h" + +/*********************************************************************//** +Gets the offset of the trx id field, in bytes relative to the origin of +a clustered index record. +@return offset of DATA_TRX_ID */ +UNIV_INTERN +ulint +row_get_trx_id_offset( +/*==================*/ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ +/*********************************************************************//** +Reads the trx id field from a clustered index record. +@return value of the field */ +UNIV_INLINE +trx_id_t +row_get_rec_trx_id( +/*===============*/ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ +/*********************************************************************//** +Reads the roll pointer field from a clustered index record. +@return value of the field */ +UNIV_INLINE +roll_ptr_t +row_get_rec_roll_ptr( +/*=================*/ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ +/*****************************************************************//** +When an insert or purge to a table is performed, this function builds +the entry to be inserted into or purged from an index on the table. +@return index entry which should be inserted or purged, or NULL if the +externally stored columns in the clustered index record are +unavailable and ext != NULL */ +UNIV_INTERN +dtuple_t* +row_build_index_entry( +/*==================*/ + const dtuple_t* row, /*!< in: row which should be + inserted or purged */ + row_ext_t* ext, /*!< in: externally stored column prefixes, + or NULL */ + dict_index_t* index, /*!< in: index on the table */ + mem_heap_t* heap); /*!< in: memory heap from which the memory for + the index entry is allocated */ +/*******************************************************************//** +An inverse function to row_build_index_entry. Builds a row from a +record in a clustered index. +@return own: row built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_build( +/*======*/ + ulint type, /*!< in: ROW_COPY_POINTERS or + ROW_COPY_DATA; the latter + copies also the data fields to + heap while the first only + places pointers to data fields + on the index page, and thus is + more efficient */ + const dict_index_t* index, /*!< in: clustered index */ + const rec_t* rec, /*!< in: record in the clustered + index; NOTE: in the case + ROW_COPY_POINTERS the data + fields in the row will point + directly into this record, + therefore, the buffer page of + this record must be at least + s-latched and the latch held + as long as the row dtuple is used! */ + const ulint* offsets,/*!< in: rec_get_offsets(rec,index) + or NULL, in which case this function + will invoke rec_get_offsets() */ + const dict_table_t* col_table, + /*!< in: table, to check which + externally stored columns + occur in the ordering columns + of an index, or NULL if + index->table should be + consulted instead; the user + columns in this table should be + the same columns as in index->table */ + row_ext_t** ext, /*!< out, own: cache of + externally stored column + prefixes, or NULL */ + mem_heap_t* heap); /*!< in: memory heap from which + the memory needed is allocated */ +/*******************************************************************//** +Converts an index record to a typed data tuple. +@return index entry built; does not set info_bits, and the data fields +in the entry will point directly to rec */ +UNIV_INTERN +dtuple_t* +row_rec_to_index_entry_low( +/*=======================*/ + const rec_t* rec, /*!< in: record in the index */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint* n_ext, /*!< out: number of externally + stored columns */ + mem_heap_t* heap); /*!< in: memory heap from which + the memory needed is allocated */ +/*******************************************************************//** +Converts an index record to a typed data tuple. NOTE that externally +stored (often big) fields are NOT copied to heap. +@return own: index entry built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_rec_to_index_entry( +/*===================*/ + ulint type, /*!< in: ROW_COPY_DATA, or + ROW_COPY_POINTERS: the former + copies also the data fields to + heap as the latter only places + pointers to data fields on the + index page */ + const rec_t* rec, /*!< in: record in the index; + NOTE: in the case + ROW_COPY_POINTERS the data + fields in the row will point + directly into this record, + therefore, the buffer page of + this record must be at least + s-latched and the latch held + as long as the dtuple is used! */ + const dict_index_t* index, /*!< in: index */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ + ulint* n_ext, /*!< out: number of externally + stored columns */ + mem_heap_t* heap); /*!< in: memory heap from which + the memory needed is allocated */ +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. +@return own: row reference built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_build_row_ref( +/*==============*/ + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: + the former copies also the data fields to + heap, whereas the latter only places pointers + to data fields on the index page */ + dict_index_t* index, /*!< in: secondary index */ + const rec_t* rec, /*!< in: record in the index; + NOTE: in the case ROW_COPY_POINTERS + the data fields in the row will point + directly into this record, therefore, + the buffer page of this record must be + at least s-latched and the latch held + as long as the row reference is used! */ + mem_heap_t* heap); /*!< in: memory heap from which the memory + needed is allocated */ +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. */ +UNIV_INTERN +void +row_build_row_ref_in_tuple( +/*=======================*/ + dtuple_t* ref, /*!< in/out: row reference built; + see the NOTE below! */ + const rec_t* rec, /*!< in: record in the index; + NOTE: the data fields in ref + will point directly into this + record, therefore, the buffer + page of this record must be at + least s-latched and the latch + held as long as the row + reference is used! */ + const dict_index_t* index, /*!< in: secondary index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) + or NULL */ + trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. */ +UNIV_INLINE +void +row_build_row_ref_fast( +/*===================*/ + dtuple_t* ref, /*!< in/out: typed data tuple where the + reference is built */ + const ulint* map, /*!< in: array of field numbers in rec + telling how ref should be built from + the fields of rec */ + const rec_t* rec, /*!< in: record in the index; must be + preserved while ref is used, as we do + not copy field values to heap */ + const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ +/***************************************************************//** +Searches the clustered index record for a row, if we have the row +reference. +@return TRUE if found */ +UNIV_INTERN +ibool +row_search_on_row_ref( +/*==================*/ + btr_pcur_t* pcur, /*!< out: persistent cursor, which must + be closed by the caller */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const dict_table_t* table, /*!< in: table */ + const dtuple_t* ref, /*!< in: row reference */ + mtr_t* mtr); /*!< in/out: mtr */ +/*********************************************************************//** +Fetches the clustered index record for a secondary index record. The latches +on the secondary index record are preserved. +@return record or NULL, if no record found */ +UNIV_INTERN +rec_t* +row_get_clust_rec( +/*==============*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: secondary index */ + dict_index_t** clust_index,/*!< out: clustered index */ + mtr_t* mtr); /*!< in: mtr */ + +/** Result of row_search_index_entry */ +enum row_search_result { + ROW_FOUND = 0, /*!< the record was found */ + ROW_NOT_FOUND, /*!< record not found */ + ROW_BUFFERED, /*!< one of BTR_INSERT, BTR_DELETE, or + BTR_DELETE_MARK was specified, the + secondary index leaf page was not in + the buffer pool, and the operation was + enqueued in the insert/delete buffer */ + ROW_NOT_DELETED_REF, /*!< BTR_DELETE was specified, and + row_purge_poss_sec() failed */ +}; + +/***************************************************************//** +Searches an index record. +@return whether the record was found or buffered */ +UNIV_INTERN +enum row_search_result +row_search_index_entry( +/*===================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: index entry */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must + be closed by the caller */ + mtr_t* mtr); /*!< in: mtr */ + + +#define ROW_COPY_DATA 1 +#define ROW_COPY_POINTERS 2 + +/* The allowed latching order of index records is the following: +(1) a secondary index record -> +(2) the clustered index record -> +(3) rollback segment data for the clustered index record. + +No new latches may be obtained while the kernel mutex is reserved. +However, the kernel mutex can be reserved while latches are owned. */ + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) using +"dict_field" and writes the result to "buf". +Not more than "buf_size" bytes are written to "buf". +The result is always NUL-terminated (provided buf_size is positive) and the +number of bytes that were written to "buf" is returned (including the +terminating NUL). +@return number of bytes that were written */ +UNIV_INTERN +ulint +row_raw_format( +/*===========*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + const dict_field_t* dict_field, /*!< in: index field */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size + in bytes */ + +#ifndef UNIV_NONINL +#include "row0row.ic" +#endif + +#endif diff --git a/perfschema/include/row0row.ic b/perfschema/include/row0row.ic new file mode 100644 index 00000000000..05c007641af --- /dev/null +++ b/perfschema/include/row0row.ic @@ -0,0 +1,120 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0row.ic +General row routines + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + +#include "dict0dict.h" +#include "rem0rec.h" +#include "trx0undo.h" + +/*********************************************************************//** +Reads the trx id field from a clustered index record. +@return value of the field */ +UNIV_INLINE +trx_id_t +row_get_rec_trx_id( +/*===============*/ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint offset; + + ut_ad(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + offset = index->trx_id_offset; + + if (!offset) { + offset = row_get_trx_id_offset(rec, index, offsets); + } + + return(trx_read_trx_id(rec + offset)); +} + +/*********************************************************************//** +Reads the roll pointer field from a clustered index record. +@return value of the field */ +UNIV_INLINE +roll_ptr_t +row_get_rec_roll_ptr( +/*=================*/ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint offset; + + ut_ad(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + offset = index->trx_id_offset; + + if (!offset) { + offset = row_get_trx_id_offset(rec, index, offsets); + } + + return(trx_read_roll_ptr(rec + offset + DATA_TRX_ID_LEN)); +} + +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. */ +UNIV_INLINE +void +row_build_row_ref_fast( +/*===================*/ + dtuple_t* ref, /*!< in/out: typed data tuple where the + reference is built */ + const ulint* map, /*!< in: array of field numbers in rec + telling how ref should be built from + the fields of rec */ + const rec_t* rec, /*!< in: record in the index; must be + preserved while ref is used, as we do + not copy field values to heap */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + dfield_t* dfield; + const byte* field; + ulint len; + ulint ref_len; + ulint field_no; + ulint i; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(!rec_offs_any_extern(offsets)); + ref_len = dtuple_get_n_fields(ref); + + for (i = 0; i < ref_len; i++) { + dfield = dtuple_get_nth_field(ref, i); + + field_no = *(map + i); + + if (field_no != ULINT_UNDEFINED) { + + field = rec_get_nth_field(rec, offsets, + field_no, &len); + dfield_set_data(dfield, field, len); + } + } +} diff --git a/perfschema/include/row0sel.h b/perfschema/include/row0sel.h new file mode 100644 index 00000000000..430493e4cde --- /dev/null +++ b/perfschema/include/row0sel.h @@ -0,0 +1,402 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0sel.h +Select + +Created 12/19/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0sel_h +#define row0sel_h + +#include "univ.i" +#include "data0data.h" +#include "que0types.h" +#include "dict0types.h" +#include "trx0types.h" +#include "row0types.h" +#include "que0types.h" +#include "pars0sym.h" +#include "btr0pcur.h" +#include "read0read.h" +#include "row0mysql.h" + +/*********************************************************************//** +Creates a select node struct. +@return own: select node struct */ +UNIV_INTERN +sel_node_t* +sel_node_create( +/*============*/ + mem_heap_t* heap); /*!< in: memory heap where created */ +/*********************************************************************//** +Frees the memory private to a select node when a query graph is freed, +does not free the heap where the node was originally created. */ +UNIV_INTERN +void +sel_node_free_private( +/*==================*/ + sel_node_t* node); /*!< in: select node struct */ +/*********************************************************************//** +Frees a prefetch buffer for a column, including the dynamically allocated +memory for data stored there. */ +UNIV_INTERN +void +sel_col_prefetch_buf_free( +/*======================*/ + sel_buf_t* prefetch_buf); /*!< in, own: prefetch buffer */ +/*********************************************************************//** +Gets the plan node for the nth table in a join. +@return plan node */ +UNIV_INLINE +plan_t* +sel_node_get_nth_plan( +/*==================*/ + sel_node_t* node, /*!< in: select node */ + ulint i); /*!< in: get ith plan node */ +/**********************************************************************//** +Performs a select step. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_sel_step( +/*=========*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs an execution step of an open or close cursor statement node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +open_step( +/*======*/ + que_thr_t* thr); /*!< in: query thread */ +/**********************************************************************//** +Performs a fetch for a cursor. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +fetch_step( +/*=======*/ + que_thr_t* thr); /*!< in: query thread */ +/****************************************************************//** +Sample callback function for fetch that prints each row. +@return always returns non-NULL */ +UNIV_INTERN +void* +row_fetch_print( +/*============*/ + void* row, /*!< in: sel_node_t* */ + void* user_arg); /*!< in: not used */ +/***********************************************************//** +Prints a row in a select result. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_printf_step( +/*============*/ + que_thr_t* thr); /*!< in: query thread */ +/****************************************************************//** +Converts a key value stored in MySQL format to an Innobase dtuple. The last +field of the key value may be just a prefix of a fixed length field: hence +the parameter key_len. But currently we do not allow search keys where the +last field is only a prefix of the full key field len and print a warning if +such appears. */ +UNIV_INTERN +void +row_sel_convert_mysql_key_to_innobase( +/*==================================*/ + dtuple_t* tuple, /*!< in/out: tuple where to build; + NOTE: we assume that the type info + in the tuple is already according + to index! */ + byte* buf, /*!< in: buffer to use in field + conversions */ + ulint buf_len, /*!< in: buffer length */ + dict_index_t* index, /*!< in: index of the key value */ + const byte* key_ptr, /*!< in: MySQL key value */ + ulint key_len, /*!< in: MySQL key value length */ + trx_t* trx); /*!< in: transaction */ +/********************************************************************//** +Searches for rows in the database. This is used in the interface to +MySQL. This function opens a cursor, and also implements fetch next +and fetch prev. NOTE that if we do a search with a full key value +from a unique index (ROW_SEL_EXACT), then we will not store the cursor +position and fetch next or fetch prev must not be tried to the cursor! +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, +DB_LOCK_TABLE_FULL, or DB_TOO_BIG_RECORD */ +UNIV_INTERN +ulint +row_search_for_mysql( +/*=================*/ + byte* buf, /*!< in/out: buffer for the fetched + row in the MySQL format */ + ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the + table handle; this contains the info + of search_tuple, index; if search + tuple contains 0 fields then we + position the cursor at the start or + the end of the index, depending on + 'mode' */ + ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or + ROW_SEL_EXACT_PREFIX */ + ulint direction); /*!< in: 0 or ROW_SEL_NEXT or + ROW_SEL_PREV; NOTE: if this is != 0, + then prebuilt must have a pcur + with stored position! In opening of a + cursor 'direction' should be 0. */ +/*******************************************************************//** +Checks if MySQL at the moment is allowed for this table to retrieve a +consistent read result, or store it to the query cache. +@return TRUE if storing or retrieving from the query cache is permitted */ +UNIV_INTERN +ibool +row_search_check_if_query_cache_permitted( +/*======================================*/ + trx_t* trx, /*!< in: transaction object */ + const char* norm_name); /*!< in: concatenation of database name, + '/' char, table name */ +/*******************************************************************//** +Read the max AUTOINC value from an index. +@return DB_SUCCESS if all OK else error code */ +UNIV_INTERN +ulint +row_search_max_autoinc( +/*===================*/ + dict_index_t* index, /*!< in: index to search */ + const char* col_name, /*!< in: autoinc column name */ + ib_uint64_t* value); /*!< out: AUTOINC value read */ + +/** A structure for caching column values for prefetched rows */ +struct sel_buf_struct{ + byte* data; /*!< data, or NULL; if not NULL, this field + has allocated memory which must be explicitly + freed; can be != NULL even when len is + UNIV_SQL_NULL */ + ulint len; /*!< data length or UNIV_SQL_NULL */ + ulint val_buf_size; + /*!< size of memory buffer allocated for data: + this can be more than len; this is defined + when data != NULL */ +}; + +/** Query plan */ +struct plan_struct{ + dict_table_t* table; /*!< table struct in the dictionary + cache */ + dict_index_t* index; /*!< table index used in the search */ + btr_pcur_t pcur; /*!< persistent cursor used to search + the index */ + ibool asc; /*!< TRUE if cursor traveling upwards */ + ibool pcur_is_open; /*!< TRUE if pcur has been positioned + and we can try to fetch new rows */ + ibool cursor_at_end; /*!< TRUE if the cursor is open but + we know that there are no more + qualifying rows left to retrieve from + the index tree; NOTE though, that + there may still be unprocessed rows in + the prefetch stack; always FALSE when + pcur_is_open is FALSE */ + ibool stored_cursor_rec_processed; + /*!< TRUE if the pcur position has been + stored and the record it is positioned + on has already been processed */ + que_node_t** tuple_exps; /*!< array of expressions + which are used to calculate + the field values in the search + tuple: there is one expression + for each field in the search + tuple */ + dtuple_t* tuple; /*!< search tuple */ + ulint mode; /*!< search mode: PAGE_CUR_G, ... */ + ulint n_exact_match; /*!< number of first fields in + the search tuple which must be + exactly matched */ + ibool unique_search; /*!< TRUE if we are searching an + index record with a unique key */ + ulint n_rows_fetched; /*!< number of rows fetched using pcur + after it was opened */ + ulint n_rows_prefetched;/*!< number of prefetched rows cached + for fetch: fetching several rows in + the same mtr saves CPU time */ + ulint first_prefetched;/*!< index of the first cached row in + select buffer arrays for each column */ + ibool no_prefetch; /*!< no prefetch for this table */ + sym_node_list_t columns; /*!< symbol table nodes for the columns + to retrieve from the table */ + UT_LIST_BASE_NODE_T(func_node_t) + end_conds; /*!< conditions which determine the + fetch limit of the index segment we + have to look at: when one of these + fails, the result set has been + exhausted for the cursor in this + index; these conditions are normalized + so that in a comparison the column + for this table is the first argument */ + UT_LIST_BASE_NODE_T(func_node_t) + other_conds; /*!< the rest of search conditions we can + test at this table in a join */ + ibool must_get_clust; /*!< TRUE if index is a non-clustered + index and we must also fetch the + clustered index record; this is the + case if the non-clustered record does + not contain all the needed columns, or + if this is a single-table explicit + cursor, or a searched update or + delete */ + ulint* clust_map; /*!< map telling how clust_ref is built + from the fields of a non-clustered + record */ + dtuple_t* clust_ref; /*!< the reference to the clustered + index entry is built here if index is + a non-clustered index */ + btr_pcur_t clust_pcur; /*!< if index is non-clustered, we use + this pcur to search the clustered + index */ + mem_heap_t* old_vers_heap; /*!< memory heap used in building an old + version of a row, or NULL */ +}; + +/** Select node states */ +enum sel_node_state { + SEL_NODE_CLOSED, /*!< it is a declared cursor which is not + currently open */ + SEL_NODE_OPEN, /*!< intention locks not yet set on tables */ + SEL_NODE_FETCH, /*!< intention locks have been set */ + SEL_NODE_NO_MORE_ROWS /*!< cursor has reached the result set end */ +}; + +/** Select statement node */ +struct sel_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_SELECT */ + enum sel_node_state + state; /*!< node state */ + que_node_t* select_list; /*!< select list */ + sym_node_t* into_list; /*!< variables list or NULL */ + sym_node_t* table_list; /*!< table list */ + ibool asc; /*!< TRUE if the rows should be fetched + in an ascending order */ + ibool set_x_locks; /*!< TRUE if the cursor is for update or + delete, which means that a row x-lock + should be placed on the cursor row */ + ulint row_lock_mode; /*!< LOCK_X or LOCK_S */ + ulint n_tables; /*!< number of tables */ + ulint fetch_table; /*!< number of the next table to access + in the join */ + plan_t* plans; /*!< array of n_tables many plan nodes + containing the search plan and the + search data structures */ + que_node_t* search_cond; /*!< search condition */ + read_view_t* read_view; /*!< if the query is a non-locking + consistent read, its read view is + placed here, otherwise NULL */ + ibool consistent_read;/*!< TRUE if the select is a consistent, + non-locking read */ + order_node_t* order_by; /*!< order by column definition, or + NULL */ + ibool is_aggregate; /*!< TRUE if the select list consists of + aggregate functions */ + ibool aggregate_already_fetched; + /*!< TRUE if the aggregate row has + already been fetched for the current + cursor */ + ibool can_get_updated;/*!< this is TRUE if the select + is in a single-table explicit + cursor which can get updated + within the stored procedure, + or in a searched update or + delete; NOTE that to determine + of an explicit cursor if it + can get updated, the parser + checks from a stored procedure + if it contains positioned + update or delete statements */ + sym_node_t* explicit_cursor;/*!< not NULL if an explicit cursor */ + UT_LIST_BASE_NODE_T(sym_node_t) + copy_variables; /*!< variables whose values we have to + copy when an explicit cursor is opened, + so that they do not change between + fetches */ +}; + +/** Fetch statement node */ +struct fetch_node_struct{ + que_common_t common; /*!< type: QUE_NODE_FETCH */ + sel_node_t* cursor_def; /*!< cursor definition */ + sym_node_t* into_list; /*!< variables to set */ + + pars_user_func_t* + func; /*!< User callback function or NULL. + The first argument to the function + is a sel_node_t*, containing the + results of the SELECT operation for + one row. If the function returns + NULL, it is not interested in + further rows and the cursor is + modified so (cursor % NOTFOUND) is + true. If it returns not-NULL, + continue normally. See + row_fetch_print() for an example + (and a useful debugging tool). */ +}; + +/** Open or close cursor operation type */ +enum open_node_op { + ROW_SEL_OPEN_CURSOR, /*!< open cursor */ + ROW_SEL_CLOSE_CURSOR /*!< close cursor */ +}; + +/** Open or close cursor statement node */ +struct open_node_struct{ + que_common_t common; /*!< type: QUE_NODE_OPEN */ + enum open_node_op + op_type; /*!< operation type: open or + close cursor */ + sel_node_t* cursor_def; /*!< cursor definition */ +}; + +/** Row printf statement node */ +struct row_printf_node_struct{ + que_common_t common; /*!< type: QUE_NODE_ROW_PRINTF */ + sel_node_t* sel_node; /*!< select */ +}; + +/** Search direction for the MySQL interface */ +enum row_sel_direction { + ROW_SEL_NEXT = 1, /*!< ascending direction */ + ROW_SEL_PREV = 2 /*!< descending direction */ +}; + +/** Match mode for the MySQL interface */ +enum row_sel_match_mode { + ROW_SEL_EXACT = 1, /*!< search using a complete key value */ + ROW_SEL_EXACT_PREFIX /*!< search using a key prefix which + must match rows: the prefix may + contain an incomplete field (the last + field in prefix may be just a prefix + of a fixed length column) */ +}; + +#ifndef UNIV_NONINL +#include "row0sel.ic" +#endif + +#endif diff --git a/perfschema/include/row0sel.ic b/perfschema/include/row0sel.ic new file mode 100644 index 00000000000..5907f9913da --- /dev/null +++ b/perfschema/include/row0sel.ic @@ -0,0 +1,105 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0sel.ic +Select + +Created 12/19/1997 Heikki Tuuri +*******************************************************/ + +#include "que0que.h" + +/*********************************************************************//** +Gets the plan node for the nth table in a join. +@return plan node */ +UNIV_INLINE +plan_t* +sel_node_get_nth_plan( +/*==================*/ + sel_node_t* node, /*!< in: select node */ + ulint i) /*!< in: get ith plan node */ +{ + ut_ad(i < node->n_tables); + + return(node->plans + i); +} + +/*********************************************************************//** +Resets the cursor defined by sel_node to the SEL_NODE_OPEN state, which means +that it will start fetching from the start of the result set again, regardless +of where it was before, and it will set intention locks on the tables. */ +UNIV_INLINE +void +sel_node_reset_cursor( +/*==================*/ + sel_node_t* node) /*!< in: select node */ +{ + node->state = SEL_NODE_OPEN; +} + +/**********************************************************************//** +Performs an execution step of an open or close cursor statement node. +@return query thread to run next or NULL */ +UNIV_INLINE +que_thr_t* +open_step( +/*======*/ + que_thr_t* thr) /*!< in: query thread */ +{ + sel_node_t* sel_node; + open_node_t* node; + ulint err; + + ut_ad(thr); + + node = (open_node_t*) thr->run_node; + ut_ad(que_node_get_type(node) == QUE_NODE_OPEN); + + sel_node = node->cursor_def; + + err = DB_SUCCESS; + + if (node->op_type == ROW_SEL_OPEN_CURSOR) { + + /* if (sel_node->state == SEL_NODE_CLOSED) { */ + + sel_node_reset_cursor(sel_node); + /* } else { + err = DB_ERROR; + } */ + } else { + if (sel_node->state != SEL_NODE_CLOSED) { + + sel_node->state = SEL_NODE_CLOSED; + } else { + err = DB_ERROR; + } + } + + if (UNIV_EXPECT(err, DB_SUCCESS) != DB_SUCCESS) { + /* SQL error detected */ + fprintf(stderr, "SQL error %lu\n", (ulong) err); + + ut_error; + } + + thr->run_node = que_node_get_parent(node); + + return(thr); +} diff --git a/perfschema/include/row0types.h b/perfschema/include/row0types.h new file mode 100644 index 00000000000..1be729206ba --- /dev/null +++ b/perfschema/include/row0types.h @@ -0,0 +1,59 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0types.h +Row operation global types + +Created 12/27/1996 Heikki Tuuri +*******************************************************/ + +#ifndef row0types_h +#define row0types_h + +typedef struct plan_struct plan_t; + +typedef struct upd_struct upd_t; + +typedef struct upd_field_struct upd_field_t; + +typedef struct upd_node_struct upd_node_t; + +typedef struct del_node_struct del_node_t; + +typedef struct ins_node_struct ins_node_t; + +typedef struct sel_node_struct sel_node_t; + +typedef struct open_node_struct open_node_t; + +typedef struct fetch_node_struct fetch_node_t; + +typedef struct row_printf_node_struct row_printf_node_t; +typedef struct sel_buf_struct sel_buf_t; + +typedef struct undo_node_struct undo_node_t; + +typedef struct purge_node_struct purge_node_t; + +typedef struct row_ext_struct row_ext_t; + +/* MySQL data types */ +struct TABLE; + +#endif diff --git a/perfschema/include/row0uins.h b/perfschema/include/row0uins.h new file mode 100644 index 00000000000..77b071c3a6b --- /dev/null +++ b/perfschema/include/row0uins.h @@ -0,0 +1,54 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0uins.h +Fresh insert undo + +Created 2/25/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0uins_h +#define row0uins_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "row0types.h" +#include "mtr0mtr.h" + +/***********************************************************//** +Undoes a fresh insert of a row to a table. A fresh insert means that +the same clustered index unique key did not have any record, even delete +marked, at the time of the insert. InnoDB is eager in a rollback: +if it figures out that an index record will be removed in the purge +anyway, it will remove it in the rollback. +@return DB_SUCCESS */ +UNIV_INTERN +ulint +row_undo_ins( +/*=========*/ + undo_node_t* node); /*!< in: row undo node */ + +#ifndef UNIV_NONINL +#include "row0uins.ic" +#endif + +#endif diff --git a/perfschema/include/row0uins.ic b/perfschema/include/row0uins.ic new file mode 100644 index 00000000000..27606150d8e --- /dev/null +++ b/perfschema/include/row0uins.ic @@ -0,0 +1,25 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0uins.ic +Fresh insert undo + +Created 2/25/1997 Heikki Tuuri +*******************************************************/ + diff --git a/perfschema/include/row0umod.h b/perfschema/include/row0umod.h new file mode 100644 index 00000000000..ed44cc8d601 --- /dev/null +++ b/perfschema/include/row0umod.h @@ -0,0 +1,52 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0umod.h +Undo modify of a row + +Created 2/27/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0umod_h +#define row0umod_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "row0types.h" +#include "mtr0mtr.h" + +/***********************************************************//** +Undoes a modify operation on a row of a table. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_undo_mod( +/*=========*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr); /*!< in: query thread */ + + +#ifndef UNIV_NONINL +#include "row0umod.ic" +#endif + +#endif diff --git a/perfschema/include/row0umod.ic b/perfschema/include/row0umod.ic new file mode 100644 index 00000000000..ea3fd3b43c7 --- /dev/null +++ b/perfschema/include/row0umod.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0umod.ic +Undo modify of a row + +Created 2/27/1997 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/row0undo.h b/perfschema/include/row0undo.h new file mode 100644 index 00000000000..6eb4ca448b3 --- /dev/null +++ b/perfschema/include/row0undo.h @@ -0,0 +1,142 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0undo.h +Row undo + +Created 1/8/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0undo_h +#define row0undo_h + +#include "univ.i" +#include "mtr0mtr.h" +#include "trx0sys.h" +#include "btr0types.h" +#include "btr0pcur.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "row0types.h" + +/********************************************************************//** +Creates a row undo node to a query graph. +@return own: undo node */ +UNIV_INTERN +undo_node_t* +row_undo_node_create( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap); /*!< in: memory heap where created */ +/***********************************************************//** +Looks for the clustered index record when node has the row reference. +The pcur in node is used in the search. If found, stores the row to node, +and stores the position of pcur, and detaches it. The pcur must be closed +by the caller in any case. +@return TRUE if found; NOTE the node->pcur must be closed by the +caller, regardless of the return value */ +UNIV_INTERN +ibool +row_undo_search_clust_to_pcur( +/*==========================*/ + undo_node_t* node); /*!< in: row undo node */ +/***********************************************************//** +Undoes a row operation in a table. This is a high-level function used +in SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_undo_step( +/*==========*/ + que_thr_t* thr); /*!< in: query thread */ + +/* A single query thread will try to perform the undo for all successive +versions of a clustered index record, if the transaction has modified it +several times during the execution which is rolled back. It may happen +that the task is transferred to another query thread, if the other thread +is assigned to handle an undo log record in the chain of different versions +of the record, and the other thread happens to get the x-latch to the +clustered index record at the right time. + If a query thread notices that the clustered index record it is looking +for is missing, or the roll ptr field in the record doed not point to the +undo log record the thread was assigned to handle, then it gives up the undo +task for that undo log record, and fetches the next. This situation can occur +just in the case where the transaction modified the same record several times +and another thread is currently doing the undo for successive versions of +that index record. */ + +/** Execution state of an undo node */ +enum undo_exec { + UNDO_NODE_FETCH_NEXT = 1, /*!< we should fetch the next + undo log record */ + UNDO_NODE_PREV_VERS, /*!< the roll ptr to previous + version of a row is stored in + node, and undo should be done + based on it */ + UNDO_NODE_INSERT, /*!< undo a fresh insert of a + row to a table */ + UNDO_NODE_MODIFY /*!< undo a modify operation + (DELETE or UPDATE) on a row + of a table */ +}; + +/** Undo node structure */ +struct undo_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_UNDO */ + enum undo_exec state; /*!< node execution state */ + trx_t* trx; /*!< trx for which undo is done */ + roll_ptr_t roll_ptr;/*!< roll pointer to undo log record */ + trx_undo_rec_t* undo_rec;/*!< undo log record */ + undo_no_t undo_no;/*!< undo number of the record */ + ulint rec_type;/*!< undo log record type: TRX_UNDO_INSERT_REC, + ... */ + roll_ptr_t new_roll_ptr; + /*!< roll ptr to restore to clustered index + record */ + trx_id_t new_trx_id; /*!< trx id to restore to clustered index + record */ + btr_pcur_t pcur; /*!< persistent cursor used in searching the + clustered index record */ + dict_table_t* table; /*!< table where undo is done */ + ulint cmpl_info;/*!< compiler analysis of an update */ + upd_t* update; /*!< update vector for a clustered index + record */ + dtuple_t* ref; /*!< row reference to the next row to handle */ + dtuple_t* row; /*!< a copy (also fields copied to heap) of the + row to handle */ + row_ext_t* ext; /*!< NULL, or prefixes of the externally + stored columns of the row */ + dtuple_t* undo_row;/*!< NULL, or the row after undo */ + row_ext_t* undo_ext;/*!< NULL, or prefixes of the externally + stored columns of undo_row */ + dict_index_t* index; /*!< the next index whose record should be + handled */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage for + row; this must be emptied after undo is tried + on a row */ +}; + + +#ifndef UNIV_NONINL +#include "row0undo.ic" +#endif + +#endif diff --git a/perfschema/include/row0undo.ic b/perfschema/include/row0undo.ic new file mode 100644 index 00000000000..dc788debc14 --- /dev/null +++ b/perfschema/include/row0undo.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0undo.ic +Row undo + +Created 1/8/1997 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/row0upd.h b/perfschema/include/row0upd.h new file mode 100644 index 00000000000..635d746d5a1 --- /dev/null +++ b/perfschema/include/row0upd.h @@ -0,0 +1,483 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0upd.h +Update of a row + +Created 12/27/1996 Heikki Tuuri +*******************************************************/ + +#ifndef row0upd_h +#define row0upd_h + +#include "univ.i" +#include "data0data.h" +#include "row0types.h" +#include "btr0types.h" +#include "dict0types.h" +#include "trx0types.h" + +#ifndef UNIV_HOTBACKUP +# include "btr0pcur.h" +# include "que0types.h" +# include "pars0types.h" +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Creates an update vector object. +@return own: update vector object */ +UNIV_INLINE +upd_t* +upd_create( +/*=======*/ + ulint n, /*!< in: number of fields */ + mem_heap_t* heap); /*!< in: heap from which memory allocated */ +/*********************************************************************//** +Returns the number of fields in the update vector == number of columns +to be updated by an update vector. +@return number of fields */ +UNIV_INLINE +ulint +upd_get_n_fields( +/*=============*/ + const upd_t* update); /*!< in: update vector */ +#ifdef UNIV_DEBUG +/*********************************************************************//** +Returns the nth field of an update vector. +@return update vector field */ +UNIV_INLINE +upd_field_t* +upd_get_nth_field( +/*==============*/ + const upd_t* update, /*!< in: update vector */ + ulint n); /*!< in: field position in update vector */ +#else +# define upd_get_nth_field(update, n) ((update)->fields + (n)) +#endif +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Sets an index field number to be updated by an update vector field. */ +UNIV_INLINE +void +upd_field_set_field_no( +/*===================*/ + upd_field_t* upd_field, /*!< in: update vector field */ + ulint field_no, /*!< in: field number in a clustered + index */ + dict_index_t* index, /*!< in: index */ + trx_t* trx); /*!< in: transaction */ +/*********************************************************************//** +Returns a field of an update vector by field_no. +@return update vector field, or NULL */ +UNIV_INLINE +const upd_field_t* +upd_get_field_by_field_no( +/*======================*/ + const upd_t* update, /*!< in: update vector */ + ulint no) /*!< in: field_no */ + __attribute__((nonnull, pure)); +/*********************************************************************//** +Writes into the redo log the values of trx id and roll ptr and enough info +to determine their positions within a clustered index record. +@return new pointer to mlog */ +UNIV_INTERN +byte* +row_upd_write_sys_vals_to_log( +/*==========================*/ + dict_index_t* index, /*!< in: clustered index */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ + byte* log_ptr,/*!< pointer to a buffer of size > 20 opened + in mlog */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************************//** +Updates the trx id and roll ptr field in a clustered index record when +a row is updated or marked deleted. */ +UNIV_INLINE +void +row_upd_rec_sys_fields( +/*===================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ +/*********************************************************************//** +Sets the trx id or roll ptr field of a clustered index entry. */ +UNIV_INTERN +void +row_upd_index_entry_sys_field( +/*==========================*/ + const dtuple_t* entry, /*!< in: index entry, where the memory buffers + for sys fields are already allocated: + the function just copies the new values to + them */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ + dulint val); /*!< in: value to write */ +/*********************************************************************//** +Creates an update node for a query graph. +@return own: update node */ +UNIV_INTERN +upd_node_t* +upd_node_create( +/*============*/ + mem_heap_t* heap); /*!< in: mem heap where created */ +/***********************************************************//** +Writes to the redo log the new values of the fields occurring in the index. */ +UNIV_INTERN +void +row_upd_index_write_log( +/*====================*/ + const upd_t* update, /*!< in: update vector */ + byte* log_ptr,/*!< in: pointer to mlog buffer: must + contain at least MLOG_BUF_MARGIN bytes + of free space; the buffer is closed + within this function */ + mtr_t* mtr); /*!< in: mtr into whose log to write */ +/***********************************************************//** +Returns TRUE if row update changes size of some field in index or if some +field to be updated is stored externally in rec or update. +@return TRUE if the update changes the size of some field in index or +the field is external in rec or update */ +UNIV_INTERN +ibool +row_upd_changes_field_size_or_external( +/*===================================*/ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update);/*!< in: update vector */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Replaces the new column values stored in the update vector to the record +given. No field size changes are allowed. */ +UNIV_INTERN +void +row_upd_rec_in_place( +/*=================*/ + rec_t* rec, /*!< in/out: record where replaced */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + page_zip_des_t* page_zip);/*!< in: compressed page with enough space + available, or NULL */ +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Builds an update vector from those fields which in a secondary index entry +differ from a record that has the equal ordering fields. NOTE: we compare +the fields as binary strings! +@return own: update vector of differing fields */ +UNIV_INTERN +upd_t* +row_upd_build_sec_rec_difference_binary( +/*====================================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: secondary index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ +/***************************************************************//** +Builds an update vector from those fields, excluding the roll ptr and +trx id fields, which in an index entry differ from a record that has +the equal ordering fields. NOTE: we compare the fields as binary strings! +@return own: update vector of differing fields, excluding roll ptr and +trx id */ +UNIV_INTERN +upd_t* +row_upd_build_difference_binary( +/*============================*/ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: clustered index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap); /*!< in: memory heap from which allocated */ +/***********************************************************//** +Replaces the new column values stored in the update vector to the index entry +given. */ +UNIV_INTERN +void +row_upd_index_replace_new_col_vals_index_pos( +/*=========================================*/ + dtuple_t* entry, /*!< in/out: index entry where replaced; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + dict_index_t* index, /*!< in: index; NOTE that this may also be a + non-clustered index */ + const upd_t* update, /*!< in: an update vector built for the index so + that the field number in an upd_field is the + index position */ + ibool order_only, + /*!< in: if TRUE, limit the replacement to + ordering fields of index; note that this + does not work for non-clustered indexes. */ + mem_heap_t* heap) /*!< in: memory heap for allocating and + copying the new values */ + __attribute__((nonnull)); +/***********************************************************//** +Replaces the new column values stored in the update vector to the index entry +given. */ +UNIV_INTERN +void +row_upd_index_replace_new_col_vals( +/*===============================*/ + dtuple_t* entry, /*!< in/out: index entry where replaced; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + dict_index_t* index, /*!< in: index; NOTE that this may also be a + non-clustered index */ + const upd_t* update, /*!< in: an update vector built for the + CLUSTERED index so that the field number in + an upd_field is the clustered index position */ + mem_heap_t* heap) /*!< in: memory heap for allocating and + copying the new values */ + __attribute__((nonnull)); +/***********************************************************//** +Replaces the new column values stored in the update vector. */ +UNIV_INTERN +void +row_upd_replace( +/*============*/ + dtuple_t* row, /*!< in/out: row where replaced, + indexed by col_no; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + row_ext_t** ext, /*!< out, own: NULL, or externally + stored column prefixes */ + const dict_index_t* index, /*!< in: clustered index */ + const upd_t* update, /*!< in: an update vector built for the + clustered index */ + mem_heap_t* heap); /*!< in: memory heap */ +/***********************************************************//** +Checks if an update vector changes an ordering field of an index record. + +This function is fast if the update vector is short or the number of ordering +fields in the index is small. Otherwise, this can be quadratic. +NOTE: we compare the fields as binary strings! +@return TRUE if update vector changes an ordering field in the index record */ +UNIV_INTERN +ibool +row_upd_changes_ord_field_binary( +/*=============================*/ + const dtuple_t* row, /*!< in: old value of row, or NULL if the + row and the data values in update are not + known when this function is called, e.g., at + compile time */ + dict_index_t* index, /*!< in: index of the record */ + const upd_t* update);/*!< in: update vector for the row; NOTE: the + field numbers in this MUST be clustered index + positions! */ +/***********************************************************//** +Checks if an update vector changes an ordering field of an index record. +This function is fast if the update vector is short or the number of ordering +fields in the index is small. Otherwise, this can be quadratic. +NOTE: we compare the fields as binary strings! +@return TRUE if update vector may change an ordering field in an index +record */ +UNIV_INTERN +ibool +row_upd_changes_some_index_ord_field_binary( +/*========================================*/ + const dict_table_t* table, /*!< in: table */ + const upd_t* update);/*!< in: update vector for the row */ +/***********************************************************//** +Updates a row in a table. This is a high-level function used +in SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_upd_step( +/*=========*/ + que_thr_t* thr); /*!< in: query thread */ +#endif /* !UNIV_HOTBACKUP */ +/*********************************************************************//** +Parses the log data of system field values. +@return log data end or NULL */ +UNIV_INTERN +byte* +row_upd_parse_sys_vals( +/*===================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint* pos, /*!< out: TRX_ID position in record */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr);/*!< out: roll ptr */ +/*********************************************************************//** +Updates the trx id and roll ptr field in a clustered index record in database +recovery. */ +UNIV_INTERN +void +row_upd_rec_sys_fields_in_recovery( +/*===============================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint pos, /*!< in: TRX_ID position in rec */ + trx_id_t trx_id, /*!< in: transaction id */ + roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ +/*********************************************************************//** +Parses the log data written by row_upd_index_write_log. +@return log data end or NULL */ +UNIV_INTERN +byte* +row_upd_index_parse( +/*================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + mem_heap_t* heap, /*!< in: memory heap where update vector is + built */ + upd_t** update_out);/*!< out: update vector */ + + +/* Update vector field */ +struct upd_field_struct{ + unsigned field_no:16; /*!< field number in an index, usually + the clustered index, but in updating + a secondary index record in btr0cur.c + this is the position in the secondary + index */ +#ifndef UNIV_HOTBACKUP + unsigned orig_len:16; /*!< original length of the locally + stored part of an externally stored + column, or 0 */ + que_node_t* exp; /*!< expression for calculating a new + value: it refers to column values and + constants in the symbol table of the + query graph */ +#endif /* !UNIV_HOTBACKUP */ + dfield_t new_val; /*!< new value for the column */ +}; + +/* Update vector structure */ +struct upd_struct{ + ulint info_bits; /*!< new value of info bits to record; + default is 0 */ + ulint n_fields; /*!< number of update fields */ + upd_field_t* fields; /*!< array of update fields */ +}; + +#ifndef UNIV_HOTBACKUP +/* Update node structure which also implements the delete operation +of a row */ + +struct upd_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_UPDATE */ + ibool is_delete;/* TRUE if delete, FALSE if update */ + ibool searched_update; + /* TRUE if searched update, FALSE if + positioned */ + ibool in_mysql_interface; + /* TRUE if the update node was created + for the MySQL interface */ + dict_foreign_t* foreign;/* NULL or pointer to a foreign key + constraint if this update node is used in + doing an ON DELETE or ON UPDATE operation */ + upd_node_t* cascade_node;/* NULL or an update node template which + is used to implement ON DELETE/UPDATE CASCADE + or ... SET NULL for foreign keys */ + mem_heap_t* cascade_heap;/* NULL or a mem heap where the cascade + node is created */ + sel_node_t* select; /*!< query graph subtree implementing a base + table cursor: the rows returned will be + updated */ + btr_pcur_t* pcur; /*!< persistent cursor placed on the clustered + index record which should be updated or + deleted; the cursor is stored in the graph + of 'select' field above, except in the case + of the MySQL interface */ + dict_table_t* table; /*!< table where updated */ + upd_t* update; /*!< update vector for the row */ + ulint update_n_fields; + /* when this struct is used to implement + a cascade operation for foreign keys, we store + here the size of the buffer allocated for use + as the update vector */ + sym_node_list_t columns;/* symbol table nodes for the columns + to retrieve from the table */ + ibool has_clust_rec_x_lock; + /* TRUE if the select which retrieves the + records to update already sets an x-lock on + the clustered record; note that it must always + set at least an s-lock */ + ulint cmpl_info;/* information extracted during query + compilation; speeds up execution: + UPD_NODE_NO_ORD_CHANGE and + UPD_NODE_NO_SIZE_CHANGE, ORed */ + /*----------------------*/ + /* Local storage for this graph node */ + ulint state; /*!< node execution state */ + dict_index_t* index; /*!< NULL, or the next index whose record should + be updated */ + dtuple_t* row; /*!< NULL, or a copy (also fields copied to + heap) of the row to update; this must be reset + to NULL after a successful update */ + row_ext_t* ext; /*!< NULL, or prefixes of the externally + stored columns in the old row */ + dtuple_t* upd_row;/* NULL, or a copy of the updated row */ + row_ext_t* upd_ext;/* NULL, or prefixes of the externally + stored columns in upd_row */ + mem_heap_t* heap; /*!< memory heap used as auxiliary storage; + this must be emptied after a successful + update */ + /*----------------------*/ + sym_node_t* table_sym;/* table node in symbol table */ + que_node_t* col_assign_list; + /* column assignment list */ + ulint magic_n; +}; + +#define UPD_NODE_MAGIC_N 1579975 + +/* Node execution states */ +#define UPD_NODE_SET_IX_LOCK 1 /* execution came to the node from + a node above and if the field + has_clust_rec_x_lock is FALSE, we + should set an intention x-lock on + the table */ +#define UPD_NODE_UPDATE_CLUSTERED 2 /* clustered index record should be + updated */ +#define UPD_NODE_INSERT_CLUSTERED 3 /* clustered index record should be + inserted, old record is already delete + marked */ +#define UPD_NODE_UPDATE_ALL_SEC 4 /* an ordering field of the clustered + index record was changed, or this is + a delete operation: should update + all the secondary index records */ +#define UPD_NODE_UPDATE_SOME_SEC 5 /* secondary index entries should be + looked at and updated if an ordering + field changed */ + +/* Compilation info flags: these must fit within 3 bits; see trx0rec.h */ +#define UPD_NODE_NO_ORD_CHANGE 1 /* no secondary index record will be + changed in the update and no ordering + field of the clustered index */ +#define UPD_NODE_NO_SIZE_CHANGE 2 /* no record field size will be + changed in the update */ + +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "row0upd.ic" +#endif + +#endif diff --git a/perfschema/include/row0upd.ic b/perfschema/include/row0upd.ic new file mode 100644 index 00000000000..18e22f1eca9 --- /dev/null +++ b/perfschema/include/row0upd.ic @@ -0,0 +1,184 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0upd.ic +Update of a row + +Created 12/27/1996 Heikki Tuuri +*******************************************************/ + +#include "mtr0log.h" +#ifndef UNIV_HOTBACKUP +# include "trx0trx.h" +# include "trx0undo.h" +# include "row0row.h" +# include "btr0sea.h" +#endif /* !UNIV_HOTBACKUP */ +#include "page0zip.h" + +/*********************************************************************//** +Creates an update vector object. +@return own: update vector object */ +UNIV_INLINE +upd_t* +upd_create( +/*=======*/ + ulint n, /*!< in: number of fields */ + mem_heap_t* heap) /*!< in: heap from which memory allocated */ +{ + upd_t* update; + + update = (upd_t*) mem_heap_alloc(heap, sizeof(upd_t)); + + update->info_bits = 0; + update->n_fields = n; + update->fields = (upd_field_t*) + mem_heap_alloc(heap, sizeof(upd_field_t) * n); + + return(update); +} + +/*********************************************************************//** +Returns the number of fields in the update vector == number of columns +to be updated by an update vector. +@return number of fields */ +UNIV_INLINE +ulint +upd_get_n_fields( +/*=============*/ + const upd_t* update) /*!< in: update vector */ +{ + ut_ad(update); + + return(update->n_fields); +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Returns the nth field of an update vector. +@return update vector field */ +UNIV_INLINE +upd_field_t* +upd_get_nth_field( +/*==============*/ + const upd_t* update, /*!< in: update vector */ + ulint n) /*!< in: field position in update vector */ +{ + ut_ad(update); + ut_ad(n < update->n_fields); + + return((upd_field_t*) update->fields + n); +} +#endif /* UNIV_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Sets an index field number to be updated by an update vector field. */ +UNIV_INLINE +void +upd_field_set_field_no( +/*===================*/ + upd_field_t* upd_field, /*!< in: update vector field */ + ulint field_no, /*!< in: field number in a clustered + index */ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction */ +{ + upd_field->field_no = field_no; + upd_field->orig_len = 0; + + if (UNIV_UNLIKELY(field_no >= dict_index_get_n_fields(index))) { + fprintf(stderr, + "InnoDB: Error: trying to access field %lu in ", + (ulong) field_no); + dict_index_name_print(stderr, trx, index); + fprintf(stderr, "\n" + "InnoDB: but index only has %lu fields\n", + (ulong) dict_index_get_n_fields(index)); + } + + dict_col_copy_type(dict_index_get_nth_col(index, field_no), + dfield_get_type(&upd_field->new_val)); +} + +/*********************************************************************//** +Returns a field of an update vector by field_no. +@return update vector field, or NULL */ +UNIV_INLINE +const upd_field_t* +upd_get_field_by_field_no( +/*======================*/ + const upd_t* update, /*!< in: update vector */ + ulint no) /*!< in: field_no */ +{ + ulint i; + for (i = 0; i < upd_get_n_fields(update); i++) { + const upd_field_t* uf = upd_get_nth_field(update, i); + + if (uf->field_no == no) { + + return(uf); + } + } + + return(NULL); +} + +/*********************************************************************//** +Updates the trx id and roll ptr field in a clustered index record when +a row is updated or marked deleted. */ +UNIV_INLINE +void +row_upd_rec_sys_fields( +/*===================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be updated, or NULL */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ +{ + ut_ad(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); +#ifdef UNIV_SYNC_DEBUG + if (!rw_lock_own(&btr_search_latch, RW_LOCK_EX)) { + ut_ad(!buf_block_align(rec)->is_hashed); + } +#endif /* UNIV_SYNC_DEBUG */ + + if (UNIV_LIKELY_NULL(page_zip)) { + ulint pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); + page_zip_write_trx_id_and_roll_ptr(page_zip, rec, offsets, + pos, trx->id, roll_ptr); + } else { + ulint offset = index->trx_id_offset; + + if (!offset) { + offset = row_get_trx_id_offset(rec, index, offsets); + } + +#if DATA_TRX_ID + 1 != DATA_ROLL_PTR +# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" +#endif + trx_write_trx_id(rec + offset, trx->id); + trx_write_roll_ptr(rec + offset + DATA_TRX_ID_LEN, roll_ptr); + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/row0vers.h b/perfschema/include/row0vers.h new file mode 100644 index 00000000000..5a2e38230d5 --- /dev/null +++ b/perfschema/include/row0vers.h @@ -0,0 +1,142 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0vers.h +Row versions + +Created 2/6/1997 Heikki Tuuri +*******************************************************/ + +#ifndef row0vers_h +#define row0vers_h + +#include "univ.i" +#include "data0data.h" +#include "dict0types.h" +#include "trx0types.h" +#include "que0types.h" +#include "rem0types.h" +#include "mtr0mtr.h" +#include "read0types.h" + +/*****************************************************************//** +Finds out if an active transaction has inserted or modified a secondary +index record. NOTE: the kernel mutex is temporarily released in this +function! +@return NULL if committed, else the active transaction */ +UNIV_INTERN +trx_t* +row_vers_impl_x_locked_off_kernel( +/*==============================*/ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: the secondary index */ + const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ +/*****************************************************************//** +Finds out if we must preserve a delete marked earlier version of a clustered +index record, because it is >= the purge view. +@return TRUE if earlier version should be preserved */ +UNIV_INTERN +ibool +row_vers_must_preserve_del_marked( +/*==============================*/ + trx_id_t trx_id, /*!< in: transaction id in the version */ + mtr_t* mtr); /*!< in: mtr holding the latch on the + clustered index record; it will also + hold the latch on purge_view */ +/*****************************************************************//** +Finds out if a version of the record, where the version >= the current +purge view, should have ientry as its secondary index entry. We check +if there is any not delete marked version of the record where the trx +id >= purge view, and the secondary index entry == ientry; exactly in +this case we return TRUE. +@return TRUE if earlier version should have */ +UNIV_INTERN +ibool +row_vers_old_has_index_entry( +/*=========================*/ + ibool also_curr,/*!< in: TRUE if also rec is included in the + versions to search; otherwise only versions + prior to it are searched */ + const rec_t* rec, /*!< in: record in the clustered index; the + caller must have a latch on the page */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will + also hold the latch on purge_view */ + dict_index_t* index, /*!< in: the secondary index */ + const dtuple_t* ientry);/*!< in: the secondary index entry */ +/*****************************************************************//** +Constructs the version of a clustered index record which a consistent +read should see. We assume that the trx id stored in rec is such that +the consistent read should not see rec in its present version. +@return DB_SUCCESS or DB_MISSING_HISTORY */ +UNIV_INTERN +ulint +row_vers_build_for_consistent_read( +/*===============================*/ + const rec_t* rec, /*!< in: record in a clustered index; the + caller must have a latch on the page; this + latch locks the top of the stack of versions + of this records */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will + also hold the latch on purge_view */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by + rec_get_offsets(rec, index) */ + read_view_t* view, /*!< in: the consistent read view */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which + the offsets are allocated */ + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for + *old_vers is allocated; memory for possible + intermediate versions is allocated and freed + locally within the function */ + rec_t** old_vers);/*!< out, own: old version, or NULL if the + record does not exist in the view, that is, + it was freshly inserted afterwards */ + +/*****************************************************************//** +Constructs the last committed version of a clustered index record, +which should be seen by a semi-consistent read. +@return DB_SUCCESS or DB_MISSING_HISTORY */ +UNIV_INTERN +ulint +row_vers_build_for_semi_consistent_read( +/*====================================*/ + const rec_t* rec, /*!< in: record in a clustered index; the + caller must have a latch on the page; this + latch locks the top of the stack of versions + of this records */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by + rec_get_offsets(rec, index) */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which + the offsets are allocated */ + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for + *old_vers is allocated; memory for possible + intermediate versions is allocated and freed + locally within the function */ + const rec_t** old_vers);/*!< out: rec, old version, or NULL if the + record does not exist in the view, that is, + it was freshly inserted afterwards */ + + +#ifndef UNIV_NONINL +#include "row0vers.ic" +#endif + +#endif diff --git a/perfschema/include/row0vers.ic b/perfschema/include/row0vers.ic new file mode 100644 index 00000000000..8bb3a5c0cb3 --- /dev/null +++ b/perfschema/include/row0vers.ic @@ -0,0 +1,30 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/row0vers.ic +Row versions + +Created 2/6/1997 Heikki Tuuri +*******************************************************/ + +#include "row0row.h" +#include "dict0dict.h" +#include "read0read.h" +#include "page0page.h" +#include "log0recv.h" diff --git a/perfschema/include/srv0que.h b/perfschema/include/srv0que.h new file mode 100644 index 00000000000..82ee7739ef7 --- /dev/null +++ b/perfschema/include/srv0que.h @@ -0,0 +1,42 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/srv0que.h +Server query execution + +Created 6/5/1996 Heikki Tuuri +*******************************************************/ + +#ifndef srv0que_h +#define srv0que_h + +#include "univ.i" +#include "que0types.h" + +/**********************************************************************//** +Enqueues a task to server task queue and releases a worker thread, if there +is a suspended one. */ +UNIV_INTERN +void +srv_que_task_enqueue_low( +/*=====================*/ + que_thr_t* thr); /*!< in: query thread */ + +#endif + diff --git a/perfschema/include/srv0srv.h b/perfschema/include/srv0srv.h new file mode 100644 index 00000000000..c1778ccaf1b --- /dev/null +++ b/perfschema/include/srv0srv.h @@ -0,0 +1,657 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, 2009, Google Inc. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/srv0srv.h +The server main program + +Created 10/10/1995 Heikki Tuuri +*******************************************************/ + +#ifndef srv0srv_h +#define srv0srv_h + +#include "univ.i" +#ifndef UNIV_HOTBACKUP +#include "sync0sync.h" +#include "os0sync.h" +#include "que0types.h" +#include "trx0types.h" + +extern const char* srv_main_thread_op_info; + +/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ +extern const char srv_mysql50_table_name_prefix[9]; + +/* When this event is set the lock timeout and InnoDB monitor +thread starts running */ +extern os_event_t srv_lock_timeout_thread_event; + +/* If the last data file is auto-extended, we add this many pages to it +at a time */ +#define SRV_AUTO_EXTEND_INCREMENT \ + (srv_auto_extend_increment * ((1024 * 1024) / UNIV_PAGE_SIZE)) + +/* This is set to TRUE if the MySQL user has set it in MySQL */ +extern ibool srv_lower_case_table_names; + +/* Mutex for locking srv_monitor_file */ +extern mutex_t srv_monitor_file_mutex; +/* Temporary file for innodb monitor output */ +extern FILE* srv_monitor_file; +/* Mutex for locking srv_dict_tmpfile. +This mutex has a very high rank; threads reserving it should not +be holding any InnoDB latches. */ +extern mutex_t srv_dict_tmpfile_mutex; +/* Temporary file for output from the data dictionary */ +extern FILE* srv_dict_tmpfile; +/* Mutex for locking srv_misc_tmpfile. +This mutex has a very low rank; threads reserving it should not +acquire any further latches or sleep before releasing this one. */ +extern mutex_t srv_misc_tmpfile_mutex; +/* Temporary file for miscellanous diagnostic output */ +extern FILE* srv_misc_tmpfile; + +/* Server parameters which are read from the initfile */ + +extern char* srv_data_home; +#ifdef UNIV_LOG_ARCHIVE +extern char* srv_arch_dir; +#endif /* UNIV_LOG_ARCHIVE */ + +/** store to its own file each table created by an user; data +dictionary tables are in the system tablespace 0 */ +#ifndef UNIV_HOTBACKUP +extern my_bool srv_file_per_table; +#else +extern ibool srv_file_per_table; +#endif /* UNIV_HOTBACKUP */ +/** The file format to use on new *.ibd files. */ +extern ulint srv_file_format; +/** Whether to check file format during startup. A value of +DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to +set it to the highest format we support. */ +extern ulint srv_check_file_format_at_startup; +/** Place locks to records only i.e. do not use next-key locking except +on duplicate key checking and foreign key checking */ +extern ibool srv_locks_unsafe_for_binlog; +#endif /* !UNIV_HOTBACKUP */ + +/* If this flag is TRUE, then we will use the native aio of the +OS (provided we compiled Innobase with it in), otherwise we will +use simulated aio we build below with threads. +Currently we support native aio on windows and linux */ +extern my_bool srv_use_native_aio; +extern ulint srv_n_data_files; +extern char** srv_data_file_names; +extern ulint* srv_data_file_sizes; +extern ulint* srv_data_file_is_raw_partition; + +extern ibool srv_auto_extend_last_data_file; +extern ulint srv_last_file_size_max; +extern char** srv_log_group_home_dirs; +#ifndef UNIV_HOTBACKUP +extern ulong srv_auto_extend_increment; + +extern ibool srv_created_new_raw; + +extern ulint srv_n_log_groups; +extern ulint srv_n_log_files; +extern ulint srv_log_file_size; +extern ulint srv_log_buffer_size; +extern ulong srv_flush_log_at_trx_commit; +extern char srv_adaptive_flushing; + + +/* The sort order table of the MySQL latin1_swedish_ci character set +collation */ +extern const byte* srv_latin1_ordering; +#ifndef UNIV_HOTBACKUP +extern my_bool srv_use_sys_malloc; +#else +extern ibool srv_use_sys_malloc; +#endif /* UNIV_HOTBACKUP */ +extern ulint srv_buf_pool_size; /*!< requested size in bytes */ +extern ulint srv_buf_pool_old_size; /*!< previously requested size */ +extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ +extern ulint srv_mem_pool_size; +extern ulint srv_lock_table_size; + +extern ulint srv_n_file_io_threads; +extern ulong srv_read_ahead_threshold; +extern ulint srv_n_read_io_threads; +extern ulint srv_n_write_io_threads; + +/* Number of IO operations per second the server can do */ +extern ulong srv_io_capacity; +/* Returns the number of IO operations that is X percent of the +capacity. PCT_IO(5) -> returns the number of IO operations that +is 5% of the max where max is srv_io_capacity. */ +#define PCT_IO(p) ((ulong) (srv_io_capacity * ((double) p / 100.0))) + +#ifdef UNIV_LOG_ARCHIVE +extern ibool srv_log_archive_on; +extern ibool srv_archive_recovery; +extern dulint srv_archive_recovery_limit_lsn; +#endif /* UNIV_LOG_ARCHIVE */ + +extern char* srv_file_flush_method_str; +extern ulint srv_unix_file_flush_method; +extern ulint srv_win_file_flush_method; + +extern ulint srv_max_n_open_files; + +extern ulint srv_max_dirty_pages_pct; + +extern ulint srv_force_recovery; +extern ulong srv_thread_concurrency; + +extern ulint srv_max_n_threads; + +extern lint srv_conc_n_threads; + +extern ulint srv_fast_shutdown; /* If this is 1, do not do a + purge and index buffer merge. + If this 2, do not even flush the + buffer pool to data files at the + shutdown: we effectively 'crash' + InnoDB (but lose no committed + transactions). */ +extern ibool srv_innodb_status; + +extern unsigned long long srv_stats_sample_pages; + +extern ibool srv_use_doublewrite_buf; +extern ibool srv_use_checksums; + +extern ulong srv_max_buf_pool_modified_pct; +extern ulong srv_max_purge_lag; + +extern ulong srv_replication_delay; +/*-------------------------------------------*/ + +extern ulint srv_n_rows_inserted; +extern ulint srv_n_rows_updated; +extern ulint srv_n_rows_deleted; +extern ulint srv_n_rows_read; + +extern ibool srv_print_innodb_monitor; +extern ibool srv_print_innodb_lock_monitor; +extern ibool srv_print_innodb_tablespace_monitor; +extern ibool srv_print_verbose_log; +extern ibool srv_print_innodb_table_monitor; + +extern ibool srv_lock_timeout_active; +extern ibool srv_monitor_active; +extern ibool srv_error_monitor_active; + +extern ulong srv_n_spin_wait_rounds; +extern ulong srv_n_free_tickets_to_enter; +extern ulong srv_thread_sleep_delay; +extern ulong srv_spin_wait_delay; +extern ibool srv_priority_boost; + +extern ulint srv_mem_pool_size; +extern ulint srv_lock_table_size; + +#ifdef UNIV_DEBUG +extern ibool srv_print_thread_releases; +extern ibool srv_print_lock_waits; +extern ibool srv_print_buf_io; +extern ibool srv_print_log_io; +extern ibool srv_print_latch_waits; +#else /* UNIV_DEBUG */ +# define srv_print_thread_releases FALSE +# define srv_print_lock_waits FALSE +# define srv_print_buf_io FALSE +# define srv_print_log_io FALSE +# define srv_print_latch_waits FALSE +#endif /* UNIV_DEBUG */ + +extern ulint srv_activity_count; +extern ulint srv_fatal_semaphore_wait_threshold; +extern ulint srv_dml_needed_delay; + +extern mutex_t* kernel_mutex_temp;/* mutex protecting the server, trx structs, + query threads, and lock table: we allocate + it from dynamic memory to get it to the + same DRAM page as other hotspot semaphores */ +#define kernel_mutex (*kernel_mutex_temp) + +#define SRV_MAX_N_IO_THREADS 130 + +/* Array of English strings describing the current state of an +i/o handler thread */ +extern const char* srv_io_thread_op_info[]; +extern const char* srv_io_thread_function[]; + +/* the number of the log write requests done */ +extern ulint srv_log_write_requests; + +/* the number of physical writes to the log performed */ +extern ulint srv_log_writes; + +/* amount of data written to the log files in bytes */ +extern ulint srv_os_log_written; + +/* amount of writes being done to the log files */ +extern ulint srv_os_log_pending_writes; + +/* we increase this counter, when there we don't have enough space in the +log buffer and have to flush it */ +extern ulint srv_log_waits; + +/* variable that counts amount of data read in total (in bytes) */ +extern ulint srv_data_read; + +/* here we count the amount of data written in total (in bytes) */ +extern ulint srv_data_written; + +/* this variable counts the amount of times, when the doublewrite buffer +was flushed */ +extern ulint srv_dblwr_writes; + +/* here we store the number of pages that have been flushed to the +doublewrite buffer */ +extern ulint srv_dblwr_pages_written; + +/* in this variable we store the number of write requests issued */ +extern ulint srv_buf_pool_write_requests; + +/* here we store the number of times when we had to wait for a free page +in the buffer pool. It happens when the buffer pool is full and we need +to make a flush, in order to be able to read or create a page. */ +extern ulint srv_buf_pool_wait_free; + +/* variable to count the number of pages that were written from the +buffer pool to disk */ +extern ulint srv_buf_pool_flushed; + +/** Number of buffer pool reads that led to the +reading of a disk page */ +extern ulint srv_buf_pool_reads; + +/** Status variables to be passed to MySQL */ +typedef struct export_var_struct export_struc; + +/** Status variables to be passed to MySQL */ +extern export_struc export_vars; + +/** The server system */ +typedef struct srv_sys_struct srv_sys_t; + +/** The server system */ +extern srv_sys_t* srv_sys; +#endif /* !UNIV_HOTBACKUP */ + +/** Types of raw partitions in innodb_data_file_path */ +enum { + SRV_NOT_RAW = 0, /*!< Not a raw partition */ + SRV_NEW_RAW, /*!< A 'newraw' partition, only to be + initialized */ + SRV_OLD_RAW /*!< An initialized raw partition */ +}; + +/** Alternatives for the file flush option in Unix; see the InnoDB manual +about what these mean */ +enum { + SRV_UNIX_FSYNC = 1, /*!< fsync, the default */ + SRV_UNIX_O_DSYNC, /*!< open log files in O_SYNC mode */ + SRV_UNIX_LITTLESYNC, /*!< do not call os_file_flush() + when writing data files, but do flush + after writing to log files */ + SRV_UNIX_NOSYNC, /*!< do not flush after writing */ + SRV_UNIX_O_DIRECT /*!< invoke os_file_set_nocache() on + data files */ +}; + +/** Alternatives for file i/o in Windows */ +enum { + SRV_WIN_IO_NORMAL = 1, /*!< buffered I/O */ + SRV_WIN_IO_UNBUFFERED /*!< unbuffered I/O; this is the default */ +}; + +/** Alternatives for srv_force_recovery. Non-zero values are intended +to help the user get a damaged database up so that he can dump intact +tables and rows with SELECT INTO OUTFILE. The database must not otherwise +be used with these options! A bigger number below means that all precautions +of lower numbers are included. */ +enum { + SRV_FORCE_IGNORE_CORRUPT = 1, /*!< let the server run even if it + detects a corrupt page */ + SRV_FORCE_NO_BACKGROUND = 2, /*!< prevent the main thread from + running: if a crash would occur + in purge, this prevents it */ + SRV_FORCE_NO_TRX_UNDO = 3, /*!< do not run trx rollback after + recovery */ + SRV_FORCE_NO_IBUF_MERGE = 4, /*!< prevent also ibuf operations: + if they would cause a crash, better + not do them */ + SRV_FORCE_NO_UNDO_LOG_SCAN = 5, /*!< do not look at undo logs when + starting the database: InnoDB will + treat even incomplete transactions + as committed */ + SRV_FORCE_NO_LOG_REDO = 6 /*!< do not do the log roll-forward + in connection with recovery */ +}; + +#ifndef UNIV_HOTBACKUP +/** Types of threads existing in the system. */ +enum srv_thread_type { + SRV_COM = 1, /**< threads serving communication and queries */ + SRV_CONSOLE, /**< thread serving console */ + SRV_WORKER, /**< threads serving parallelized queries and + queries released from lock wait */ +#if 0 + /* Utility threads */ + SRV_BUFFER, /**< thread flushing dirty buffer blocks */ + SRV_RECOVERY, /**< threads finishing a recovery */ + SRV_INSERT, /**< thread flushing the insert buffer to disk */ +#endif + SRV_MASTER /**< the master thread, (whose type number must + be biggest) */ +}; + +/*********************************************************************//** +Boots Innobase server. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +srv_boot(void); +/*==========*/ +/*********************************************************************//** +Initializes the server. */ +UNIV_INTERN +void +srv_init(void); +/*==========*/ +/*********************************************************************//** +Frees the data structures created in srv_init(). */ +UNIV_INTERN +void +srv_free(void); +/*==========*/ +/*********************************************************************//** +Initializes the synchronization primitives, memory system, and the thread +local storage. */ +UNIV_INTERN +void +srv_general_init(void); +/*==================*/ +/*********************************************************************//** +Gets the number of threads in the system. +@return sum of srv_n_threads[] */ +UNIV_INTERN +ulint +srv_get_n_threads(void); +/*===================*/ +/*********************************************************************//** +Returns the calling thread type. +@return SRV_COM, ... */ + +enum srv_thread_type +srv_get_thread_type(void); +/*=====================*/ +/*********************************************************************//** +Sets the info describing an i/o thread current state. */ +UNIV_INTERN +void +srv_set_io_thread_op_info( +/*======================*/ + ulint i, /*!< in: the 'segment' of the i/o thread */ + const char* str); /*!< in: constant char string describing the + state */ +/*********************************************************************//** +Releases threads of the type given from suspension in the thread table. +NOTE! The server mutex has to be reserved by the caller! +@return number of threads released: this may be less than n if not +enough threads were suspended at the moment */ +UNIV_INTERN +ulint +srv_release_threads( +/*================*/ + enum srv_thread_type type, /*!< in: thread type */ + ulint n); /*!< in: number of threads to release */ +/*********************************************************************//** +The master thread controlling the server. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_master_thread( +/*==============*/ + void* arg); /*!< in: a dummy parameter required by + os_thread_create */ +/*******************************************************************//** +Tells the Innobase server that there has been activity in the database +and wakes up the master thread if it is suspended (not sleeping). Used +in the MySQL interface. Note that there is a small chance that the master +thread stays suspended (we do not protect our operation with the kernel +mutex, for performace reasons). */ +UNIV_INTERN +void +srv_active_wake_master_thread(void); +/*===============================*/ +/*******************************************************************//** +Wakes up the master thread if it is suspended or being suspended. */ +UNIV_INTERN +void +srv_wake_master_thread(void); +/*========================*/ +/*********************************************************************//** +Puts an OS thread to wait if there are too many concurrent threads +(>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ +UNIV_INTERN +void +srv_conc_enter_innodb( +/*==================*/ + trx_t* trx); /*!< in: transaction object associated with the + thread */ +/*********************************************************************//** +This lets a thread enter InnoDB regardless of the number of threads inside +InnoDB. This must be called when a thread ends a lock wait. */ +UNIV_INTERN +void +srv_conc_force_enter_innodb( +/*========================*/ + trx_t* trx); /*!< in: transaction object associated with the + thread */ +/*********************************************************************//** +This must be called when a thread exits InnoDB in a lock wait or at the +end of an SQL statement. */ +UNIV_INTERN +void +srv_conc_force_exit_innodb( +/*=======================*/ + trx_t* trx); /*!< in: transaction object associated with the + thread */ +/*********************************************************************//** +This must be called when a thread exits InnoDB. */ +UNIV_INTERN +void +srv_conc_exit_innodb( +/*=================*/ + trx_t* trx); /*!< in: transaction object associated with the + thread */ +/***************************************************************//** +Puts a MySQL OS thread to wait for a lock to be released. If an error +occurs during the wait trx->error_state associated with thr is +!= DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK +are possible errors. DB_DEADLOCK is returned if selective deadlock +resolution chose this transaction as a victim. */ +UNIV_INTERN +void +srv_suspend_mysql_thread( +/*=====================*/ + que_thr_t* thr); /*!< in: query thread associated with the MySQL + OS thread */ +/********************************************************************//** +Releases a MySQL OS thread waiting for a lock to be released, if the +thread is already suspended. */ +UNIV_INTERN +void +srv_release_mysql_thread_if_suspended( +/*==================================*/ + que_thr_t* thr); /*!< in: query thread associated with the + MySQL OS thread */ +/*********************************************************************//** +A thread which wakes up threads whose lock wait may have lasted too long. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_lock_timeout_thread( +/*====================*/ + void* arg); /*!< in: a dummy parameter required by + os_thread_create */ +/*********************************************************************//** +A thread which prints the info output by various InnoDB monitors. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_monitor_thread( +/*===============*/ + void* arg); /*!< in: a dummy parameter required by + os_thread_create */ +/************************************************************************* +A thread which prints warnings about semaphore waits which have lasted +too long. These can be used to track bugs which cause hangs. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_error_monitor_thread( +/*=====================*/ + void* arg); /*!< in: a dummy parameter required by + os_thread_create */ +/******************************************************************//** +Outputs to a file the output of the InnoDB Monitor. +@return FALSE if not all information printed +due to failure to obtain necessary mutex */ +UNIV_INTERN +ibool +srv_printf_innodb_monitor( +/*======================*/ + FILE* file, /*!< in: output stream */ + ibool nowait, /*!< in: whether to wait for kernel mutex */ + ulint* trx_start, /*!< out: file position of the start of + the list of active transactions */ + ulint* trx_end); /*!< out: file position of the end of + the list of active transactions */ + +/******************************************************************//** +Function to pass InnoDB status variables to MySQL */ +UNIV_INTERN +void +srv_export_innodb_status(void); +/*==========================*/ + +/** Thread slot in the thread table */ +typedef struct srv_slot_struct srv_slot_t; + +/** Thread table is an array of slots */ +typedef srv_slot_t srv_table_t; + +/** Status variables to be passed to MySQL */ +struct export_var_struct{ + ulint innodb_data_pending_reads; /*!< Pending reads */ + ulint innodb_data_pending_writes; /*!< Pending writes */ + ulint innodb_data_pending_fsyncs; /*!< Pending fsyncs */ + ulint innodb_data_fsyncs; /*!< Number of fsyncs so far */ + ulint innodb_data_read; /*!< Data bytes read */ + ulint innodb_data_writes; /*!< I/O write requests */ + ulint innodb_data_written; /*!< Data bytes written */ + ulint innodb_data_reads; /*!< I/O read requests */ + ulint innodb_buffer_pool_pages_total; /*!< Buffer pool size */ + ulint innodb_buffer_pool_pages_data; /*!< Data pages */ + ulint innodb_buffer_pool_pages_dirty; /*!< Dirty data pages */ + ulint innodb_buffer_pool_pages_misc; /*!< Miscellanous pages */ + ulint innodb_buffer_pool_pages_free; /*!< Free pages */ +#ifdef UNIV_DEBUG + ulint innodb_buffer_pool_pages_latched; /*!< Latched pages */ +#endif /* UNIV_DEBUG */ + ulint innodb_buffer_pool_read_requests; /*!< buf_pool->stat.n_page_gets */ + ulint innodb_buffer_pool_reads; /*!< srv_buf_pool_reads */ + ulint innodb_buffer_pool_wait_free; /*!< srv_buf_pool_wait_free */ + ulint innodb_buffer_pool_pages_flushed; /*!< srv_buf_pool_flushed */ + ulint innodb_buffer_pool_write_requests;/*!< srv_buf_pool_write_requests */ + ulint innodb_buffer_pool_read_ahead; /*!< srv_read_ahead */ + ulint innodb_buffer_pool_read_ahead_evicted;/*!< srv_read_ahead evicted*/ + ulint innodb_dblwr_pages_written; /*!< srv_dblwr_pages_written */ + ulint innodb_dblwr_writes; /*!< srv_dblwr_writes */ + ibool innodb_have_atomic_builtins; /*!< HAVE_ATOMIC_BUILTINS */ + ulint innodb_log_waits; /*!< srv_log_waits */ + ulint innodb_log_write_requests; /*!< srv_log_write_requests */ + ulint innodb_log_writes; /*!< srv_log_writes */ + ulint innodb_os_log_written; /*!< srv_os_log_written */ + ulint innodb_os_log_fsyncs; /*!< fil_n_log_flushes */ + ulint innodb_os_log_pending_writes; /*!< srv_os_log_pending_writes */ + ulint innodb_os_log_pending_fsyncs; /*!< fil_n_pending_log_flushes */ + ulint innodb_page_size; /*!< UNIV_PAGE_SIZE */ + ulint innodb_pages_created; /*!< buf_pool->stat.n_pages_created */ + ulint innodb_pages_read; /*!< buf_pool->stat.n_pages_read */ + ulint innodb_pages_written; /*!< buf_pool->stat.n_pages_written */ + ulint innodb_row_lock_waits; /*!< srv_n_lock_wait_count */ + ulint innodb_row_lock_current_waits; /*!< srv_n_lock_wait_current_count */ + ib_int64_t innodb_row_lock_time; /*!< srv_n_lock_wait_time + / 1000 */ + ulint innodb_row_lock_time_avg; /*!< srv_n_lock_wait_time + / 1000 + / srv_n_lock_wait_count */ + ulint innodb_row_lock_time_max; /*!< srv_n_lock_max_wait_time + / 1000 */ + ulint innodb_rows_read; /*!< srv_n_rows_read */ + ulint innodb_rows_inserted; /*!< srv_n_rows_inserted */ + ulint innodb_rows_updated; /*!< srv_n_rows_updated */ + ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ +}; + +/** The server system struct */ +struct srv_sys_struct{ + srv_table_t* threads; /*!< server thread table */ + UT_LIST_BASE_NODE_T(que_thr_t) + tasks; /*!< task queue */ +}; + +extern ulint srv_n_threads_active[]; +#else /* !UNIV_HOTBACKUP */ +# define srv_use_adaptive_hash_indexes FALSE +# define srv_use_checksums TRUE +# define srv_use_native_aio FALSE +# define srv_force_recovery 0UL +# define srv_set_io_thread_op_info(t,info) ((void) 0) +# define srv_is_being_started 0 +# define srv_win_file_flush_method SRV_WIN_IO_UNBUFFERED +# define srv_unix_file_flush_method SRV_UNIX_O_DSYNC +# define srv_start_raw_disk_in_use 0 +# define srv_file_per_table 1 +#endif /* !UNIV_HOTBACKUP */ + +#endif diff --git a/perfschema/include/srv0srv.ic b/perfschema/include/srv0srv.ic new file mode 100644 index 00000000000..8a1a678a016 --- /dev/null +++ b/perfschema/include/srv0srv.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/srv0srv.ic +Server main program + +Created 10/4/1995 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/srv0start.h b/perfschema/include/srv0start.h new file mode 100644 index 00000000000..8abf15da9c1 --- /dev/null +++ b/perfschema/include/srv0start.h @@ -0,0 +1,134 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/srv0start.h +Starts the Innobase database server + +Created 10/10/1995 Heikki Tuuri +*******************************************************/ + +#ifndef srv0start_h +#define srv0start_h + +#include "univ.i" +#include "ut0byte.h" + +/*********************************************************************//** +Normalizes a directory path for Windows: converts slashes to backslashes. */ +UNIV_INTERN +void +srv_normalize_path_for_win( +/*=======================*/ + char* str); /*!< in/out: null-terminated character string */ +/*********************************************************************//** +Reads the data files and their sizes from a character string given in +the .cnf file. +@return TRUE if ok, FALSE on parse error */ +UNIV_INTERN +ibool +srv_parse_data_file_paths_and_sizes( +/*================================*/ + char* str); /*!< in/out: the data file path string */ +/*********************************************************************//** +Reads log group home directories from a character string given in +the .cnf file. +@return TRUE if ok, FALSE on parse error */ +UNIV_INTERN +ibool +srv_parse_log_group_home_dirs( +/*==========================*/ + char* str); /*!< in/out: character string */ +/*********************************************************************//** +Frees the memory allocated by srv_parse_data_file_paths_and_sizes() +and srv_parse_log_group_home_dirs(). */ +UNIV_INTERN +void +srv_free_paths_and_sizes(void); +/*==========================*/ +/*********************************************************************//** +Adds a slash or a backslash to the end of a string if it is missing +and the string is not empty. +@return string which has the separator if the string is not empty */ +UNIV_INTERN +char* +srv_add_path_separator_if_needed( +/*=============================*/ + char* str); /*!< in: null-terminated character string */ +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Starts Innobase and creates a new database if database files +are not found and the user wants. +@return DB_SUCCESS or error code */ +UNIV_INTERN +int +innobase_start_or_create_for_mysql(void); +/*====================================*/ +/****************************************************************//** +Shuts down the Innobase database. +@return DB_SUCCESS or error code */ +UNIV_INTERN +int +innobase_shutdown_for_mysql(void); +/*=============================*/ +/** Log sequence number at shutdown */ +extern ib_uint64_t srv_shutdown_lsn; +/** Log sequence number immediately after startup */ +extern ib_uint64_t srv_start_lsn; + +#ifdef __NETWARE__ +void set_panic_flag_for_netware(void); +#endif + +#ifdef HAVE_DARWIN_THREADS +/** TRUE if the F_FULLFSYNC option is available */ +extern ibool srv_have_fullfsync; +#endif + +/** TRUE if the server is being started */ +extern ibool srv_is_being_started; +/** TRUE if the server was successfully started */ +extern ibool srv_was_started; +/** TRUE if the server is being started, before rolling back any +incomplete transactions */ +extern ibool srv_startup_is_before_trx_rollback_phase; + +/** TRUE if a raw partition is in use */ +extern ibool srv_start_raw_disk_in_use; + + +/** Shutdown state */ +enum srv_shutdown_state { + SRV_SHUTDOWN_NONE = 0, /*!< Database running normally */ + SRV_SHUTDOWN_CLEANUP, /*!< Cleaning up in + logs_empty_and_mark_files_at_shutdown() */ + SRV_SHUTDOWN_LAST_PHASE,/*!< Last phase after ensuring that + the buffer pool can be freed: flush + all file spaces and close all files */ + SRV_SHUTDOWN_EXIT_THREADS/*!< Exit all threads */ +}; + +/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to +SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ +extern enum srv_shutdown_state srv_shutdown_state; +#endif /* !UNIV_HOTBACKUP */ + +/** Log 'spaces' have id's >= this */ +#define SRV_LOG_SPACE_FIRST_ID 0xFFFFFFF0UL + +#endif diff --git a/perfschema/include/sync0arr.h b/perfschema/include/sync0arr.h new file mode 100644 index 00000000000..5f1280f5e28 --- /dev/null +++ b/perfschema/include/sync0arr.h @@ -0,0 +1,142 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0arr.h +The wait array used in synchronization primitives + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef sync0arr_h +#define sync0arr_h + +#include "univ.i" +#include "ut0lst.h" +#include "ut0mem.h" +#include "os0thread.h" + +/** Synchronization wait array cell */ +typedef struct sync_cell_struct sync_cell_t; +/** Synchronization wait array */ +typedef struct sync_array_struct sync_array_t; + +/** Parameters for sync_array_create() @{ */ +#define SYNC_ARRAY_OS_MUTEX 1 /*!< protected by os_mutex_t */ +#define SYNC_ARRAY_MUTEX 2 /*!< protected by mutex_t */ +/* @} */ + +/*******************************************************************//** +Creates a synchronization wait array. It is protected by a mutex +which is automatically reserved when the functions operating on it +are called. +@return own: created wait array */ +UNIV_INTERN +sync_array_t* +sync_array_create( +/*==============*/ + ulint n_cells, /*!< in: number of cells in the array + to create */ + ulint protection); /*!< in: either SYNC_ARRAY_OS_MUTEX or + SYNC_ARRAY_MUTEX: determines the type + of mutex protecting the data structure */ +/******************************************************************//** +Frees the resources in a wait array. */ +UNIV_INTERN +void +sync_array_free( +/*============*/ + sync_array_t* arr); /*!< in, own: sync wait array */ +/******************************************************************//** +Reserves a wait array cell for waiting for an object. +The event of the cell is reset to nonsignalled state. */ +UNIV_INTERN +void +sync_array_reserve_cell( +/*====================*/ + sync_array_t* arr, /*!< in: wait array */ + void* object, /*!< in: pointer to the object to wait for */ + ulint type, /*!< in: lock request type */ + const char* file, /*!< in: file where requested */ + ulint line, /*!< in: line where requested */ + ulint* index); /*!< out: index of the reserved cell */ +/******************************************************************//** +This function should be called when a thread starts to wait on +a wait array cell. In the debug version this function checks +if the wait for a semaphore will result in a deadlock, in which +case prints info and asserts. */ +UNIV_INTERN +void +sync_array_wait_event( +/*==================*/ + sync_array_t* arr, /*!< in: wait array */ + ulint index); /*!< in: index of the reserved cell */ +/******************************************************************//** +Frees the cell. NOTE! sync_array_wait_event frees the cell +automatically! */ +UNIV_INTERN +void +sync_array_free_cell( +/*=================*/ + sync_array_t* arr, /*!< in: wait array */ + ulint index); /*!< in: index of the cell in array */ +/**********************************************************************//** +Note that one of the wait objects was signalled. */ +UNIV_INTERN +void +sync_array_object_signalled( +/*========================*/ + sync_array_t* arr); /*!< in: wait array */ +/**********************************************************************//** +If the wakeup algorithm does not work perfectly at semaphore relases, +this function will do the waking (see the comment in mutex_exit). This +function should be called about every 1 second in the server. */ +UNIV_INTERN +void +sync_arr_wake_threads_if_sema_free(void); +/*====================================*/ +/**********************************************************************//** +Prints warnings of long semaphore waits to stderr. +@return TRUE if fatal semaphore wait threshold was exceeded */ +UNIV_INTERN +ibool +sync_array_print_long_waits(void); +/*=============================*/ +/********************************************************************//** +Validates the integrity of the wait array. Checks +that the number of reserved cells equals the count variable. */ +UNIV_INTERN +void +sync_array_validate( +/*================*/ + sync_array_t* arr); /*!< in: sync wait array */ +/**********************************************************************//** +Prints info of the wait array. */ +UNIV_INTERN +void +sync_array_print_info( +/*==================*/ + FILE* file, /*!< in: file where to print */ + sync_array_t* arr); /*!< in: wait array */ + + +#ifndef UNIV_NONINL +#include "sync0arr.ic" +#endif + +#endif diff --git a/perfschema/include/sync0arr.ic b/perfschema/include/sync0arr.ic new file mode 100644 index 00000000000..bf57f5b2dc2 --- /dev/null +++ b/perfschema/include/sync0arr.ic @@ -0,0 +1,27 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0arr.ic +The wait array for synchronization primitives + +Inline code + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + diff --git a/perfschema/include/sync0rw.h b/perfschema/include/sync0rw.h new file mode 100644 index 00000000000..aedfd5f3f86 --- /dev/null +++ b/perfschema/include/sync0rw.h @@ -0,0 +1,585 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0rw.h +The read-write lock (for threads, not for database transactions) + +Created 9/11/1995 Heikki Tuuri +*******************************************************/ + +#ifndef sync0rw_h +#define sync0rw_h + +#include "univ.i" +#ifndef UNIV_HOTBACKUP +#include "ut0lst.h" +#include "sync0sync.h" +#include "os0sync.h" + +/* The following undef is to prevent a name conflict with a macro +in MySQL: */ +#undef rw_lock_t +#endif /* !UNIV_HOTBACKUP */ + +/* Latch types; these are used also in btr0btr.h: keep the numerical values +smaller than 30 and the order of the numerical values like below! */ +#define RW_S_LATCH 1 +#define RW_X_LATCH 2 +#define RW_NO_LATCH 3 + +#ifndef UNIV_HOTBACKUP +/* We decrement lock_word by this amount for each x_lock. It is also the +start value for the lock_word, meaning that it limits the maximum number +of concurrent read locks before the rw_lock breaks. The current value of +0x00100000 allows 1,048,575 concurrent readers and 2047 recursive writers.*/ +#define X_LOCK_DECR 0x00100000 + +typedef struct rw_lock_struct rw_lock_t; +#ifdef UNIV_SYNC_DEBUG +typedef struct rw_lock_debug_struct rw_lock_debug_t; +#endif /* UNIV_SYNC_DEBUG */ + +typedef UT_LIST_BASE_NODE_T(rw_lock_t) rw_lock_list_t; + +extern rw_lock_list_t rw_lock_list; +extern mutex_t rw_lock_list_mutex; + +#ifdef UNIV_SYNC_DEBUG +/* The global mutex which protects debug info lists of all rw-locks. +To modify the debug info list of an rw-lock, this mutex has to be + +acquired in addition to the mutex protecting the lock. */ +extern mutex_t rw_lock_debug_mutex; +extern os_event_t rw_lock_debug_event; /*!< If deadlock detection does + not get immediately the mutex it + may wait for this event */ +extern ibool rw_lock_debug_waiters; /*!< This is set to TRUE, if + there may be waiters for the event */ +#endif /* UNIV_SYNC_DEBUG */ + +/** number of spin waits on rw-latches, +resulted during exclusive (write) locks */ +extern ib_int64_t rw_s_spin_wait_count; +/** number of spin loop rounds on rw-latches, +resulted during exclusive (write) locks */ +extern ib_int64_t rw_s_spin_round_count; +/** number of unlocks (that unlock shared locks), +set only when UNIV_SYNC_PERF_STAT is defined */ +extern ib_int64_t rw_s_exit_count; +/** number of OS waits on rw-latches, +resulted during shared (read) locks */ +extern ib_int64_t rw_s_os_wait_count; +/** number of spin waits on rw-latches, +resulted during shared (read) locks */ +extern ib_int64_t rw_x_spin_wait_count; +/** number of spin loop rounds on rw-latches, +resulted during shared (read) locks */ +extern ib_int64_t rw_x_spin_round_count; +/** number of OS waits on rw-latches, +resulted during exclusive (write) locks */ +extern ib_int64_t rw_x_os_wait_count; +/** number of unlocks (that unlock exclusive locks), +set only when UNIV_SYNC_PERF_STAT is defined */ +extern ib_int64_t rw_x_exit_count; + +/******************************************************************//** +Creates, or rather, initializes an rw-lock object in a specified memory +location (which must be appropriately aligned). The rw-lock is initialized +to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free +is necessary only if the memory block containing it is freed. */ +#ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_create(L, level) \ + rw_lock_create_func((L), (level), #L, __FILE__, __LINE__) +# else /* UNIV_SYNC_DEBUG */ +# define rw_lock_create(L, level) \ + rw_lock_create_func((L), #L, __FILE__, __LINE__) +# endif /* UNIV_SYNC_DEBUG */ +#else /* UNIV_DEBUG */ +# define rw_lock_create(L, level) \ + rw_lock_create_func((L), __FILE__, __LINE__) +#endif /* UNIV_DEBUG */ + +/******************************************************************//** +Creates, or rather, initializes an rw-lock object in a specified memory +location (which must be appropriately aligned). The rw-lock is initialized +to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free +is necessary only if the memory block containing it is freed. */ +UNIV_INTERN +void +rw_lock_create_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to memory */ +#ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ + const char* cmutex_name, /*!< in: mutex name */ +#endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ +/******************************************************************//** +Calling this function is obligatory only if the memory buffer containing +the rw-lock is freed. Removes an rw-lock object from the global list. The +rw-lock is checked to be in the non-locked state. */ +UNIV_INTERN +void +rw_lock_free( +/*=========*/ + rw_lock_t* lock); /*!< in: rw-lock */ +#ifdef UNIV_DEBUG +/******************************************************************//** +Checks that the rw-lock has been initialized and that there are no +simultaneous shared and exclusive locks. +@return TRUE */ +UNIV_INTERN +ibool +rw_lock_validate( +/*=============*/ + rw_lock_t* lock); /*!< in: rw-lock */ +#endif /* UNIV_DEBUG */ +/**************************************************************//** +NOTE! The following macros should be used in rw s-locking, not the +corresponding function. */ + +#define rw_lock_s_lock(M) rw_lock_s_lock_func(\ + (M), 0, __FILE__, __LINE__) +/**************************************************************//** +NOTE! The following macros should be used in rw s-locking, not the +corresponding function. */ + +#define rw_lock_s_lock_gen(M, P) rw_lock_s_lock_func(\ + (M), (P), __FILE__, __LINE__) +/**************************************************************//** +NOTE! The following macros should be used in rw s-locking, not the +corresponding function. */ + +#define rw_lock_s_lock_nowait(M, F, L) rw_lock_s_lock_low(\ + (M), 0, (F), (L)) +/******************************************************************//** +Low-level function which tries to lock an rw-lock in s-mode. Performs no +spinning. +@return TRUE if success */ +UNIV_INLINE +ibool +rw_lock_s_lock_low( +/*===============*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass __attribute__((unused)), + /*!< in: pass value; != 0, if the lock will be + passed to another thread to unlock */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function, except if +you supply the file name and line number. Lock an rw-lock in shared mode +for the current thread. If the rw-lock is locked in exclusive mode, or +there is an exclusive lock request waiting, the function spins a preset +time (controlled by SYNC_SPIN_ROUNDS), waiting for the lock, before +suspending the thread. */ +UNIV_INLINE +void +rw_lock_s_lock_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function! Lock an +rw-lock in exclusive mode for the current thread if the lock can be +obtained immediately. +@return TRUE if success */ +UNIV_INLINE +ibool +rw_lock_x_lock_func_nowait( +/*=======================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Releases a shared mode lock. */ +UNIV_INLINE +void +rw_lock_s_unlock_func( +/*==================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the lock may have + been passed to another thread to unlock */ +#endif + rw_lock_t* lock); /*!< in/out: rw-lock */ + +#ifdef UNIV_SYNC_DEBUG +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) +#else +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) +#endif +/*******************************************************************//** +Releases a shared mode lock. */ +#define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) + +/**************************************************************//** +NOTE! The following macro should be used in rw x-locking, not the +corresponding function. */ + +#define rw_lock_x_lock(M) rw_lock_x_lock_func(\ + (M), 0, __FILE__, __LINE__) +/**************************************************************//** +NOTE! The following macro should be used in rw x-locking, not the +corresponding function. */ + +#define rw_lock_x_lock_gen(M, P) rw_lock_x_lock_func(\ + (M), (P), __FILE__, __LINE__) +/**************************************************************//** +NOTE! The following macros should be used in rw x-locking, not the +corresponding function. */ + +#define rw_lock_x_lock_nowait(M) rw_lock_x_lock_func_nowait(\ + (M), __FILE__, __LINE__) +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function! Lock an +rw-lock in exclusive mode for the current thread. If the rw-lock is locked +in shared or exclusive mode, or there is an exclusive lock request waiting, +the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting +for the lock, before suspending the thread. If the same thread has an x-lock +on the rw-lock, locking succeed, with the following exception: if pass != 0, +only a single x-lock may be taken on the lock. NOTE: If the same thread has +an s-lock, locking does not succeed! */ +UNIV_INTERN +void +rw_lock_x_lock_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Releases an exclusive mode lock. */ +UNIV_INLINE +void +rw_lock_x_unlock_func( +/*==================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the lock may have + been passed to another thread to unlock */ +#endif + rw_lock_t* lock); /*!< in/out: rw-lock */ + +#ifdef UNIV_SYNC_DEBUG +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) +#else +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) +#endif +/*******************************************************************//** +Releases an exclusive mode lock. */ +#define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) + +/******************************************************************//** +Low-level function which locks an rw-lock in s-mode when we know that it +is possible and none else is currently accessing the rw-lock structure. +Then we can do the locking without reserving the mutex. */ +UNIV_INLINE +void +rw_lock_s_lock_direct( +/*==================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line); /*!< in: line where lock requested */ +/******************************************************************//** +Low-level function which locks an rw-lock in x-mode when we know that it +is not locked and none else is currently accessing the rw-lock structure. +Then we can do the locking without reserving the mutex. */ +UNIV_INLINE +void +rw_lock_x_lock_direct( +/*==================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line); /*!< in: line where lock requested */ +/******************************************************************//** +This function is used in the insert buffer to move the ownership of an +x-latch on a buffer frame to the current thread. The x-latch was set by +the buffer read operation and it protected the buffer frame while the +read was done. The ownership is moved because we want that the current +thread is able to acquire a second x-latch which is stored in an mtr. +This, in turn, is needed to pass the debug checks of index page +operations. */ +UNIV_INTERN +void +rw_lock_x_lock_move_ownership( +/*==========================*/ + rw_lock_t* lock); /*!< in: lock which was x-locked in the + buffer read */ +/******************************************************************//** +Releases a shared mode lock when we know there are no waiters and none +else will access the lock during the time this function is executed. */ +UNIV_INLINE +void +rw_lock_s_unlock_direct( +/*====================*/ + rw_lock_t* lock); /*!< in/out: rw-lock */ +/******************************************************************//** +Releases an exclusive mode lock when we know there are no waiters, and +none else will access the lock durint the time this function is executed. */ +UNIV_INLINE +void +rw_lock_x_unlock_direct( +/*====================*/ + rw_lock_t* lock); /*!< in/out: rw-lock */ +/******************************************************************//** +Returns the value of writer_count for the lock. Does not reserve the lock +mutex, so the caller must be sure it is not changed during the call. +@return value of writer_count */ +UNIV_INLINE +ulint +rw_lock_get_x_lock_count( +/*=====================*/ + const rw_lock_t* lock); /*!< in: rw-lock */ +/********************************************************************//** +Check if there are threads waiting for the rw-lock. +@return 1 if waiters, 0 otherwise */ +UNIV_INLINE +ulint +rw_lock_get_waiters( +/*================*/ + const rw_lock_t* lock); /*!< in: rw-lock */ +/******************************************************************//** +Returns the write-status of the lock - this function made more sense +with the old rw_lock implementation. +@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ +UNIV_INLINE +ulint +rw_lock_get_writer( +/*===============*/ + const rw_lock_t* lock); /*!< in: rw-lock */ +/******************************************************************//** +Returns the number of readers. +@return number of readers */ +UNIV_INLINE +ulint +rw_lock_get_reader_count( +/*=====================*/ + const rw_lock_t* lock); /*!< in: rw-lock */ +/******************************************************************//** +Decrements lock_word the specified amount if it is greater than 0. +This is used by both s_lock and x_lock operations. +@return TRUE if decr occurs */ +UNIV_INLINE +ibool +rw_lock_lock_word_decr( +/*===================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount); /*!< in: amount to decrement */ +/******************************************************************//** +Increments lock_word the specified amount and returns new value. +@return lock->lock_word after increment */ +UNIV_INLINE +lint +rw_lock_lock_word_incr( +/*===================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount); /*!< in: amount to increment */ +/******************************************************************//** +This function sets the lock->writer_thread and lock->recursive fields. +For platforms where we are using atomic builtins instead of lock->mutex +it sets the lock->writer_thread field using atomics to ensure memory +ordering. Note that it is assumed that the caller of this function +effectively owns the lock i.e.: nobody else is allowed to modify +lock->writer_thread at this point in time. +The protocol is that lock->writer_thread MUST be updated BEFORE the +lock->recursive flag is set. */ +UNIV_INLINE +void +rw_lock_set_writer_id_and_recursion_flag( +/*=====================================*/ + rw_lock_t* lock, /*!< in/out: lock to work on */ + ibool recursive); /*!< in: TRUE if recursion + allowed */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Checks if the thread has locked the rw-lock in the specified mode, with +the pass value == 0. */ +UNIV_INTERN +ibool +rw_lock_own( +/*========*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, + RW_LOCK_EX */ +#endif /* UNIV_SYNC_DEBUG */ +/******************************************************************//** +Checks if somebody has locked the rw-lock in the specified mode. */ +UNIV_INTERN +ibool +rw_lock_is_locked( +/*==============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, + RW_LOCK_EX */ +#ifdef UNIV_SYNC_DEBUG +/***************************************************************//** +Prints debug info of an rw-lock. */ +UNIV_INTERN +void +rw_lock_print( +/*==========*/ + rw_lock_t* lock); /*!< in: rw-lock */ +/***************************************************************//** +Prints debug info of currently locked rw-locks. */ +UNIV_INTERN +void +rw_lock_list_print_info( +/*====================*/ + FILE* file); /*!< in: file where to print */ +/***************************************************************//** +Returns the number of currently locked rw-locks. +Works only in the debug version. +@return number of locked rw-locks */ +UNIV_INTERN +ulint +rw_lock_n_locked(void); +/*==================*/ + +/*#####################################################################*/ + +/******************************************************************//** +Acquires the debug mutex. We cannot use the mutex defined in sync0sync, +because the debug mutex is also acquired in sync0arr while holding the OS +mutex protecting the sync array, and the ordinary mutex_enter might +recursively call routines in sync0arr, leading to a deadlock on the OS +mutex. */ +UNIV_INTERN +void +rw_lock_debug_mutex_enter(void); +/*==========================*/ +/******************************************************************//** +Releases the debug mutex. */ +UNIV_INTERN +void +rw_lock_debug_mutex_exit(void); +/*==========================*/ +/*********************************************************************//** +Prints info of a debug struct. */ +UNIV_INTERN +void +rw_lock_debug_print( +/*================*/ + rw_lock_debug_t* info); /*!< in: debug struct */ +#endif /* UNIV_SYNC_DEBUG */ + +/* NOTE! The structure appears here only for the compiler to know its size. +Do not use its fields directly! */ + +/** The structure used in the spin lock implementation of a read-write +lock. Several threads may have a shared lock simultaneously in this +lock, but only one writer may have an exclusive lock, in which case no +shared locks are allowed. To prevent starving of a writer blocked by +readers, a writer may queue for x-lock by decrementing lock_word: no +new readers will be let in while the thread waits for readers to +exit. */ +struct rw_lock_struct { + volatile lint lock_word; + /*!< Holds the state of the lock. */ + volatile ulint waiters;/*!< 1: there are waiters */ + volatile ibool recursive;/*!< Default value FALSE which means the lock + is non-recursive. The value is typically set + to TRUE making normal rw_locks recursive. In + case of asynchronous IO, when a non-zero + value of 'pass' is passed then we keep the + lock non-recursive. + This flag also tells us about the state of + writer_thread field. If this flag is set + then writer_thread MUST contain the thread + id of the current x-holder or wait-x thread. + This flag must be reset in x_unlock + functions before incrementing the lock_word */ + volatile os_thread_id_t writer_thread; + /*!< Thread id of writer thread. Is only + guaranteed to have sane and non-stale + value iff recursive flag is set. */ + os_event_t event; /*!< Used by sync0arr.c for thread queueing */ + os_event_t wait_ex_event; + /*!< Event for next-writer to wait on. A thread + must decrement lock_word before waiting. */ +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_t mutex; /*!< The mutex protecting rw_lock_struct */ +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ + + UT_LIST_NODE_T(rw_lock_t) list; + /*!< All allocated rw locks are put into a + list */ +#ifdef UNIV_SYNC_DEBUG + UT_LIST_BASE_NODE_T(rw_lock_debug_t) debug_list; + /*!< In the debug version: pointer to the debug + info list of the lock */ + ulint level; /*!< Level in the global latching order. */ +#endif /* UNIV_SYNC_DEBUG */ + ulint count_os_wait; /*!< Count of os_waits. May not be accurate */ + const char* cfile_name;/*!< File name where lock created */ + /* last s-lock file/line is not guaranteed to be correct */ + const char* last_s_file_name;/*!< File name where last s-locked */ + const char* last_x_file_name;/*!< File name where last x-locked */ + ibool writer_is_wait_ex; + /*!< This is TRUE if the writer field is + RW_LOCK_WAIT_EX; this field is located far + from the memory update hotspot fields which + are at the start of this struct, thus we can + peek this field without causing much memory + bus traffic */ + unsigned cline:14; /*!< Line where created */ + unsigned last_s_line:14; /*!< Line number where last time s-locked */ + unsigned last_x_line:14; /*!< Line number where last time x-locked */ + ulint magic_n; /*!< RW_LOCK_MAGIC_N */ +}; + +/** Value of rw_lock_struct::magic_n */ +#define RW_LOCK_MAGIC_N 22643 + +#ifdef UNIV_SYNC_DEBUG +/** The structure for storing debug info of an rw-lock */ +struct rw_lock_debug_struct { + + os_thread_id_t thread_id; /*!< The thread id of the thread which + locked the rw-lock */ + ulint pass; /*!< Pass value given in the lock operation */ + ulint lock_type; /*!< Type of the lock: RW_LOCK_EX, + RW_LOCK_SHARED, RW_LOCK_WAIT_EX */ + const char* file_name;/*!< File name where the lock was obtained */ + ulint line; /*!< Line where the rw-lock was locked */ + UT_LIST_NODE_T(rw_lock_debug_t) list; + /*!< Debug structs are linked in a two-way + list */ +}; +#endif /* UNIV_SYNC_DEBUG */ + +#ifndef UNIV_NONINL +#include "sync0rw.ic" +#endif +#endif /* !UNIV_HOTBACKUP */ + +#endif diff --git a/perfschema/include/sync0rw.ic b/perfschema/include/sync0rw.ic new file mode 100644 index 00000000000..7116f1b7c9b --- /dev/null +++ b/perfschema/include/sync0rw.ic @@ -0,0 +1,624 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0rw.ic +The read-write lock (for threads) + +Created 9/11/1995 Heikki Tuuri +*******************************************************/ + +/******************************************************************//** +Lock an rw-lock in shared mode for the current thread. If the rw-lock is +locked in exclusive mode, or there is an exclusive lock request waiting, +the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), +waiting for the lock before suspending the thread. */ +UNIV_INTERN +void +rw_lock_s_lock_spin( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Inserts the debug information for an rw-lock. */ +UNIV_INTERN +void +rw_lock_add_debug_info( +/*===================*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type, /*!< in: lock type */ + const char* file_name, /*!< in: file where requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Removes a debug information struct for an rw-lock. */ +UNIV_INTERN +void +rw_lock_remove_debug_info( +/*======================*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type); /*!< in: lock type */ +#endif /* UNIV_SYNC_DEBUG */ + +/********************************************************************//** +Check if there are threads waiting for the rw-lock. +@return 1 if waiters, 0 otherwise */ +UNIV_INLINE +ulint +rw_lock_get_waiters( +/*================*/ + const rw_lock_t* lock) /*!< in: rw-lock */ +{ + return(lock->waiters); +} + +/********************************************************************//** +Sets lock->waiters to 1. It is not an error if lock->waiters is already +1. On platforms where ATOMIC builtins are used this function enforces a +memory barrier. */ +UNIV_INLINE +void +rw_lock_set_waiter_flag( +/*====================*/ + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_compare_and_swap_ulint(&lock->waiters, 0, 1); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + lock->waiters = 1; +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/********************************************************************//** +Resets lock->waiters to 0. It is not an error if lock->waiters is already +0. On platforms where ATOMIC builtins are used this function enforces a +memory barrier. */ +UNIV_INLINE +void +rw_lock_reset_waiter_flag( +/*======================*/ + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_compare_and_swap_ulint(&lock->waiters, 1, 0); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + lock->waiters = 0; +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/******************************************************************//** +Returns the write-status of the lock - this function made more sense +with the old rw_lock implementation. +@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ +UNIV_INLINE +ulint +rw_lock_get_writer( +/*===============*/ + const rw_lock_t* lock) /*!< in: rw-lock */ +{ + lint lock_word = lock->lock_word; + if (lock_word > 0) { + /* return NOT_LOCKED in s-lock state, like the writer + member of the old lock implementation. */ + return(RW_LOCK_NOT_LOCKED); + } else if (((-lock_word) % X_LOCK_DECR) == 0) { + return(RW_LOCK_EX); + } else { + ut_ad(lock_word > -X_LOCK_DECR); + return(RW_LOCK_WAIT_EX); + } +} + +/******************************************************************//** +Returns the number of readers. +@return number of readers */ +UNIV_INLINE +ulint +rw_lock_get_reader_count( +/*=====================*/ + const rw_lock_t* lock) /*!< in: rw-lock */ +{ + lint lock_word = lock->lock_word; + if (lock_word > 0) { + /* s-locked, no x-waiters */ + return(X_LOCK_DECR - lock_word); + } else if (lock_word < 0 && lock_word > -X_LOCK_DECR) { + /* s-locked, with x-waiters */ + return((ulint)(-lock_word)); + } + return(0); +} + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS +UNIV_INLINE +mutex_t* +rw_lock_get_mutex( +/*==============*/ + rw_lock_t* lock) +{ + return(&(lock->mutex)); +} +#endif + +/******************************************************************//** +Returns the value of writer_count for the lock. Does not reserve the lock +mutex, so the caller must be sure it is not changed during the call. +@return value of writer_count */ +UNIV_INLINE +ulint +rw_lock_get_x_lock_count( +/*=====================*/ + const rw_lock_t* lock) /*!< in: rw-lock */ +{ + lint lock_copy = lock->lock_word; + /* If there is a reader, lock_word is not divisible by X_LOCK_DECR */ + if (lock_copy > 0 || (-lock_copy) % X_LOCK_DECR != 0) { + return(0); + } + return(((-lock_copy) / X_LOCK_DECR) + 1); +} + +/******************************************************************//** +Two different implementations for decrementing the lock_word of a rw_lock: +one for systems supporting atomic operations, one for others. This does +does not support recusive x-locks: they should be handled by the caller and +need not be atomic since they are performed by the current lock holder. +Returns true if the decrement was made, false if not. +@return TRUE if decr occurs */ +UNIV_INLINE +ibool +rw_lock_lock_word_decr( +/*===================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount) /*!< in: amount to decrement */ +{ +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + lint local_lock_word = lock->lock_word; + while (local_lock_word > 0) { + if (os_compare_and_swap_lint(&lock->lock_word, + local_lock_word, + local_lock_word - amount)) { + return(TRUE); + } + local_lock_word = lock->lock_word; + } + return(FALSE); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + ibool success = FALSE; + mutex_enter(&(lock->mutex)); + if (lock->lock_word > 0) { + lock->lock_word -= amount; + success = TRUE; + } + mutex_exit(&(lock->mutex)); + return(success); +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/******************************************************************//** +Increments lock_word the specified amount and returns new value. +@return lock->lock_word after increment */ +UNIV_INLINE +lint +rw_lock_lock_word_incr( +/*===================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + ulint amount) /*!< in: amount of increment */ +{ +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + return(os_atomic_increment_lint(&lock->lock_word, amount)); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + lint local_lock_word; + + mutex_enter(&(lock->mutex)); + + lock->lock_word += amount; + local_lock_word = lock->lock_word; + + mutex_exit(&(lock->mutex)); + + return(local_lock_word); +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/******************************************************************//** +This function sets the lock->writer_thread and lock->recursive fields. +For platforms where we are using atomic builtins instead of lock->mutex +it sets the lock->writer_thread field using atomics to ensure memory +ordering. Note that it is assumed that the caller of this function +effectively owns the lock i.e.: nobody else is allowed to modify +lock->writer_thread at this point in time. +The protocol is that lock->writer_thread MUST be updated BEFORE the +lock->recursive flag is set. */ +UNIV_INLINE +void +rw_lock_set_writer_id_and_recursion_flag( +/*=====================================*/ + rw_lock_t* lock, /*!< in/out: lock to work on */ + ibool recursive) /*!< in: TRUE if recursion + allowed */ +{ + os_thread_id_t curr_thread = os_thread_get_curr_id(); + +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + os_thread_id_t local_thread; + ibool success; + + /* Prevent Valgrind warnings about writer_thread being + uninitialized. It does not matter if writer_thread is + uninitialized, because we are comparing writer_thread against + itself, and the operation should always succeed. */ + UNIV_MEM_VALID(&lock->writer_thread, sizeof lock->writer_thread); + + local_thread = lock->writer_thread; + success = os_compare_and_swap_thread_id( + &lock->writer_thread, local_thread, curr_thread); + ut_a(success); + lock->recursive = recursive; + +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ + + mutex_enter(&lock->mutex); + lock->writer_thread = curr_thread; + lock->recursive = recursive; + mutex_exit(&lock->mutex); + +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ +} + +/******************************************************************//** +Low-level function which tries to lock an rw-lock in s-mode. Performs no +spinning. +@return TRUE if success */ +UNIV_INLINE +ibool +rw_lock_s_lock_low( +/*===============*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass __attribute__((unused)), + /*!< in: pass value; != 0, if the lock will be + passed to another thread to unlock */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ + if (!rw_lock_lock_word_decr(lock, 1)) { + /* Locking did not succeed */ + return(FALSE); + } + +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_SHARED, file_name, line); +#endif + /* These debugging values are not set safely: they may be incorrect + or even refer to a line that is invalid for the file name. */ + lock->last_s_file_name = file_name; + lock->last_s_line = line; + + return(TRUE); /* locking succeeded */ +} + +/******************************************************************//** +Low-level function which locks an rw-lock in s-mode when we know that it +is possible and none else is currently accessing the rw-lock structure. +Then we can do the locking without reserving the mutex. */ +UNIV_INLINE +void +rw_lock_s_lock_direct( +/*==================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line) /*!< in: line where lock requested */ +{ + ut_ad(lock->lock_word == X_LOCK_DECR); + + /* Indicate there is a new reader by decrementing lock_word */ + lock->lock_word--; + + lock->last_s_file_name = file_name; + lock->last_s_line = line; + +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, 0, RW_LOCK_SHARED, file_name, line); +#endif +} + +/******************************************************************//** +Low-level function which locks an rw-lock in x-mode when we know that it +is not locked and none else is currently accessing the rw-lock structure. +Then we can do the locking without reserving the mutex. */ +UNIV_INLINE +void +rw_lock_x_lock_direct( +/*==================*/ + rw_lock_t* lock, /*!< in/out: rw-lock */ + const char* file_name, /*!< in: file name where requested */ + ulint line) /*!< in: line where lock requested */ +{ + ut_ad(rw_lock_validate(lock)); + ut_ad(lock->lock_word == X_LOCK_DECR); + + lock->lock_word -= X_LOCK_DECR; + lock->writer_thread = os_thread_get_curr_id(); + lock->recursive = TRUE; + + lock->last_x_file_name = file_name; + lock->last_x_line = line; + +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); +#endif +} + +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function! Lock an +rw-lock in shared mode for the current thread. If the rw-lock is locked +in exclusive mode, or there is an exclusive lock request waiting, the +function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for +the lock, before suspending the thread. */ +UNIV_INLINE +void +rw_lock_s_lock_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + /* NOTE: As we do not know the thread ids for threads which have + s-locked a latch, and s-lockers will be served only after waiting + x-lock requests have been fulfilled, then if this thread already + owns an s-lock here, it may end up in a deadlock with another thread + which requests an x-lock here. Therefore, we will forbid recursive + s-locking of a latch: the following assert will warn the programmer + of the possibility of this kind of a deadlock. If we want to implement + safe recursive s-locking, we should keep in a list the thread ids of + the threads which have s-locked a latch. This would use some CPU + time. */ + +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(lock, RW_LOCK_SHARED)); /* see NOTE above */ +#endif /* UNIV_SYNC_DEBUG */ + + /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ + if (rw_lock_s_lock_low(lock, pass, file_name, line)) { + + return; /* Success */ + } else { + /* Did not succeed, try spin wait */ + + rw_lock_s_lock_spin(lock, pass, file_name, line); + + return; + } +} + +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function! Lock an +rw-lock in exclusive mode for the current thread if the lock can be +obtained immediately. +@return TRUE if success */ +UNIV_INLINE +ibool +rw_lock_x_lock_func_nowait( +/*=======================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + os_thread_id_t curr_thread = os_thread_get_curr_id(); + + ibool success; + +#ifdef INNODB_RW_LOCKS_USE_ATOMICS + success = os_compare_and_swap_lint(&lock->lock_word, X_LOCK_DECR, 0); +#else + + success = FALSE; + mutex_enter(&(lock->mutex)); + if (lock->lock_word == X_LOCK_DECR) { + lock->lock_word = 0; + success = TRUE; + } + mutex_exit(&(lock->mutex)); + +#endif + if (success) { + rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); + + } else if (lock->recursive + && os_thread_eq(lock->writer_thread, curr_thread)) { + /* Relock: this lock_word modification is safe since no other + threads can modify (lock, unlock, or reserve) lock_word while + there is an exclusive writer and this is the writer thread. */ + lock->lock_word -= X_LOCK_DECR; + + ut_ad(((-lock->lock_word) % X_LOCK_DECR) == 0); + + } else { + /* Failure */ + return(FALSE); + } +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); +#endif + + lock->last_x_file_name = file_name; + lock->last_x_line = line; + + ut_ad(rw_lock_validate(lock)); + + return(TRUE); +} + +/******************************************************************//** +Releases a shared mode lock. */ +UNIV_INLINE +void +rw_lock_s_unlock_func( +/*==================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the lock may have + been passed to another thread to unlock */ +#endif + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + ut_ad((lock->lock_word % X_LOCK_DECR) != 0); + +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, pass, RW_LOCK_SHARED); +#endif + + /* Increment lock_word to indicate 1 less reader */ + if (rw_lock_lock_word_incr(lock, 1) == 0) { + + /* wait_ex waiter exists. It may not be asleep, but we signal + anyway. We do not wake other waiters, because they can't + exist without wait_ex waiter and wait_ex waiter goes first.*/ + os_event_set(lock->wait_ex_event); + sync_array_object_signalled(sync_primary_wait_array); + + } + + ut_ad(rw_lock_validate(lock)); + +#ifdef UNIV_SYNC_PERF_STAT + rw_s_exit_count++; +#endif +} + +/******************************************************************//** +Releases a shared mode lock when we know there are no waiters and none +else will access the lock during the time this function is executed. */ +UNIV_INLINE +void +rw_lock_s_unlock_direct( +/*====================*/ + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + ut_ad(lock->lock_word < X_LOCK_DECR); + +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, 0, RW_LOCK_SHARED); +#endif + + /* Decrease reader count by incrementing lock_word */ + lock->lock_word++; + + ut_ad(!lock->waiters); + ut_ad(rw_lock_validate(lock)); +#ifdef UNIV_SYNC_PERF_STAT + rw_s_exit_count++; +#endif +} + +/******************************************************************//** +Releases an exclusive mode lock. */ +UNIV_INLINE +void +rw_lock_x_unlock_func( +/*==================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the lock may have + been passed to another thread to unlock */ +#endif + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + ut_ad((lock->lock_word % X_LOCK_DECR) == 0); + + /* lock->recursive flag also indicates if lock->writer_thread is + valid or stale. If we are the last of the recursive callers + then we must unset lock->recursive flag to indicate that the + lock->writer_thread is now stale. + Note that since we still hold the x-lock we can safely read the + lock_word. */ + if (lock->lock_word == 0) { + /* Last caller in a possible recursive chain. */ + lock->recursive = FALSE; + UNIV_MEM_INVALID(&lock->writer_thread, + sizeof lock->writer_thread); + } + +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, pass, RW_LOCK_EX); +#endif + + if (rw_lock_lock_word_incr(lock, X_LOCK_DECR) == X_LOCK_DECR) { + /* Lock is now free. May have to signal read/write waiters. + We do not need to signal wait_ex waiters, since they cannot + exist when there is a writer. */ + if (lock->waiters) { + rw_lock_reset_waiter_flag(lock); + os_event_set(lock->event); + sync_array_object_signalled(sync_primary_wait_array); + } + } + + ut_ad(rw_lock_validate(lock)); + +#ifdef UNIV_SYNC_PERF_STAT + rw_x_exit_count++; +#endif +} + +/******************************************************************//** +Releases an exclusive mode lock when we know there are no waiters, and +none else will access the lock during the time this function is executed. */ +UNIV_INLINE +void +rw_lock_x_unlock_direct( +/*====================*/ + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + /* Reset the exclusive lock if this thread no longer has an x-mode + lock */ + + ut_ad((lock->lock_word % X_LOCK_DECR) == 0); + +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, 0, RW_LOCK_EX); +#endif + + if (lock->lock_word == 0) { + lock->recursive = FALSE; + UNIV_MEM_INVALID(&lock->writer_thread, + sizeof lock->writer_thread); + } + + lock->lock_word += X_LOCK_DECR; + + ut_ad(!lock->waiters); + ut_ad(rw_lock_validate(lock)); + +#ifdef UNIV_SYNC_PERF_STAT + rw_x_exit_count++; +#endif +} diff --git a/perfschema/include/sync0sync.h b/perfschema/include/sync0sync.h new file mode 100644 index 00000000000..09cab4ef4b7 --- /dev/null +++ b/perfschema/include/sync0sync.h @@ -0,0 +1,590 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0sync.h +Mutex, the basic synchronization primitive + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef sync0sync_h +#define sync0sync_h + +#include "univ.i" +#include "sync0types.h" +#include "ut0lst.h" +#include "ut0mem.h" +#include "os0thread.h" +#include "os0sync.h" +#include "sync0arr.h" + +#if defined(UNIV_DEBUG) && !defined(UNIV_HOTBACKUP) +extern my_bool timed_mutexes; +#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ + +#ifdef HAVE_WINDOWS_ATOMICS +typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates + on LONG variable */ +#else +typedef byte lock_word_t; +#endif + +/******************************************************************//** +Initializes the synchronization data structures. */ +UNIV_INTERN +void +sync_init(void); +/*===========*/ +/******************************************************************//** +Frees the resources in synchronization data structures. */ +UNIV_INTERN +void +sync_close(void); +/*===========*/ +/******************************************************************//** +Creates, or rather, initializes a mutex object to a specified memory +location (which must be appropriately aligned). The mutex is initialized +in the reset state. Explicit freeing of the mutex with mutex_free is +necessary only if the memory block containing it is freed. */ + +#ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define mutex_create(M, level) \ + mutex_create_func((M), #M, (level), __FILE__, __LINE__) +# else +# define mutex_create(M, level) \ + mutex_create_func((M), #M, __FILE__, __LINE__) +# endif +#else +# define mutex_create(M, level) \ + mutex_create_func((M), __FILE__, __LINE__) +#endif + +/******************************************************************//** +Creates, or rather, initializes a mutex object in a specified memory +location (which must be appropriately aligned). The mutex is initialized +in the reset state. Explicit freeing of the mutex with mutex_free is +necessary only if the memory block containing it is freed. */ +UNIV_INTERN +void +mutex_create_func( +/*==============*/ + mutex_t* mutex, /*!< in: pointer to memory */ +#ifdef UNIV_DEBUG + const char* cmutex_name, /*!< in: mutex name */ +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ +#endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ + +#undef mutex_free /* Fix for MacOS X */ + +/******************************************************************//** +Calling this function is obligatory only if the memory buffer containing +the mutex is freed. Removes a mutex object from the mutex list. The mutex +is checked to be in the reset state. */ +UNIV_INTERN +void +mutex_free( +/*=======*/ + mutex_t* mutex); /*!< in: mutex */ +/**************************************************************//** +NOTE! The following macro should be used in mutex locking, not the +corresponding function. */ + +#define mutex_enter(M) mutex_enter_func((M), __FILE__, __LINE__) +/**************************************************************//** +NOTE! The following macro should be used in mutex locking, not the +corresponding function. */ + +/* NOTE! currently same as mutex_enter! */ + +#define mutex_enter_fast(M) mutex_enter_func((M), __FILE__, __LINE__) +/******************************************************************//** +NOTE! Use the corresponding macro in the header file, not this function +directly. Locks a mutex for the current thread. If the mutex is reserved +the function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting +for the mutex before suspending the thread. */ +UNIV_INLINE +void +mutex_enter_func( +/*=============*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line); /*!< in: line where locked */ +/**************************************************************//** +NOTE! The following macro should be used in mutex locking, not the +corresponding function. */ + +#define mutex_enter_nowait(M) \ + mutex_enter_nowait_func((M), __FILE__, __LINE__) +/********************************************************************//** +NOTE! Use the corresponding macro in the header file, not this function +directly. Tries to lock the mutex for the current thread. If the lock is not +acquired immediately, returns with return value 1. +@return 0 if succeed, 1 if not */ +UNIV_INTERN +ulint +mutex_enter_nowait_func( +/*====================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex + requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Unlocks a mutex owned by the current thread. */ +UNIV_INLINE +void +mutex_exit( +/*=======*/ + mutex_t* mutex); /*!< in: pointer to mutex */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Returns TRUE if no mutex or rw-lock is currently locked. +Works only in the debug version. +@return TRUE if no mutexes and rw-locks reserved */ +UNIV_INTERN +ibool +sync_all_freed(void); +/*================*/ +#endif /* UNIV_SYNC_DEBUG */ +/*##################################################################### +FUNCTION PROTOTYPES FOR DEBUGGING */ +/*******************************************************************//** +Prints wait info of the sync system. */ +UNIV_INTERN +void +sync_print_wait_info( +/*=================*/ + FILE* file); /*!< in: file where to print */ +/*******************************************************************//** +Prints info of the sync system. */ +UNIV_INTERN +void +sync_print( +/*=======*/ + FILE* file); /*!< in: file where to print */ +#ifdef UNIV_DEBUG +/******************************************************************//** +Checks that the mutex has been initialized. +@return TRUE */ +UNIV_INTERN +ibool +mutex_validate( +/*===========*/ + const mutex_t* mutex); /*!< in: mutex */ +/******************************************************************//** +Checks that the current thread owns the mutex. Works only +in the debug version. +@return TRUE if owns */ +UNIV_INTERN +ibool +mutex_own( +/*======*/ + const mutex_t* mutex); /*!< in: mutex */ +#endif /* UNIV_DEBUG */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Adds a latch and its level in the thread level array. Allocates the memory +for the array if called first time for this OS thread. Makes the checks +against other latch levels stored in the array for this thread. */ +UNIV_INTERN +void +sync_thread_add_level( +/*==================*/ + void* latch, /*!< in: pointer to a mutex or an rw-lock */ + ulint level); /*!< in: level in the latching order; if + SYNC_LEVEL_VARYING, nothing is done */ +/******************************************************************//** +Removes a latch from the thread level array if it is found there. +@return TRUE if found in the array; it is no error if the latch is +not found, as we presently are not able to determine the level for +every latch reservation the program does */ +UNIV_INTERN +ibool +sync_thread_reset_level( +/*====================*/ + void* latch); /*!< in: pointer to a mutex or an rw-lock */ +/******************************************************************//** +Checks that the level array for the current thread is empty. +@return TRUE if empty */ +UNIV_INTERN +ibool +sync_thread_levels_empty(void); +/*==========================*/ +/******************************************************************//** +Checks if the level array for the current thread contains a +mutex or rw-latch at the specified level. +@return a matching latch, or NULL if not found */ +UNIV_INTERN +void* +sync_thread_levels_contains( +/*========================*/ + ulint level); /*!< in: latching order level + (SYNC_DICT, ...)*/ +/******************************************************************//** +Checks if the level array for the current thread is empty. +@return a latch, or NULL if empty except the exceptions specified below */ +UNIV_INTERN +void* +sync_thread_levels_nonempty_gen( +/*============================*/ + ibool dict_mutex_allowed); /*!< in: TRUE if dictionary mutex is + allowed to be owned by the thread, + also purge_is_running mutex is + allowed */ +#define sync_thread_levels_empty_gen(d) (!sync_thread_levels_nonempty_gen(d)) +/******************************************************************//** +Gets the debug information for a reserved mutex. */ +UNIV_INTERN +void +mutex_get_debug_info( +/*=================*/ + mutex_t* mutex, /*!< in: mutex */ + const char** file_name, /*!< out: file where requested */ + ulint* line, /*!< out: line where requested */ + os_thread_id_t* thread_id); /*!< out: id of the thread which owns + the mutex */ +/******************************************************************//** +Counts currently reserved mutexes. Works only in the debug version. +@return number of reserved mutexes */ +UNIV_INTERN +ulint +mutex_n_reserved(void); +/*==================*/ +#endif /* UNIV_SYNC_DEBUG */ +/******************************************************************//** +NOT to be used outside this module except in debugging! Gets the value +of the lock word. */ +UNIV_INLINE +lock_word_t +mutex_get_lock_word( +/*================*/ + const mutex_t* mutex); /*!< in: mutex */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +NOT to be used outside this module except in debugging! Gets the waiters +field in a mutex. +@return value to set */ +UNIV_INLINE +ulint +mutex_get_waiters( +/*==============*/ + const mutex_t* mutex); /*!< in: mutex */ +#endif /* UNIV_SYNC_DEBUG */ + +/* + LATCHING ORDER WITHIN THE DATABASE + ================================== + +The mutex or latch in the central memory object, for instance, a rollback +segment object, must be acquired before acquiring the latch or latches to +the corresponding file data structure. In the latching order below, these +file page object latches are placed immediately below the corresponding +central memory object latch or mutex. + +Synchronization object Notes +---------------------- ----- + +Dictionary mutex If we have a pointer to a dictionary +| object, e.g., a table, it can be +| accessed without reserving the +| dictionary mutex. We must have a +| reservation, a memoryfix, to the +| appropriate table object in this case, +| and the table must be explicitly +| released later. +V +Dictionary header +| +V +Secondary index tree latch The tree latch protects also all +| the B-tree non-leaf pages. These +V can be read with the page only +Secondary index non-leaf bufferfixed to save CPU time, +| no s-latch is needed on the page. +| Modification of a page requires an +| x-latch on the page, however. If a +| thread owns an x-latch to the tree, +| it is allowed to latch non-leaf pages +| even after it has acquired the fsp +| latch. +V +Secondary index leaf The latch on the secondary index leaf +| can be kept while accessing the +| clustered index, to save CPU time. +V +Clustered index tree latch To increase concurrency, the tree +| latch is usually released when the +| leaf page latch has been acquired. +V +Clustered index non-leaf +| +V +Clustered index leaf +| +V +Transaction system header +| +V +Transaction undo mutex The undo log entry must be written +| before any index page is modified. +| Transaction undo mutex is for the undo +| logs the analogue of the tree latch +| for a B-tree. If a thread has the +| trx undo mutex reserved, it is allowed +| to latch the undo log pages in any +| order, and also after it has acquired +| the fsp latch. +V +Rollback segment mutex The rollback segment mutex must be +| reserved, if, e.g., a new page must +| be added to an undo log. The rollback +| segment and the undo logs in its +| history list can be seen as an +| analogue of a B-tree, and the latches +| reserved similarly, using a version of +| lock-coupling. If an undo log must be +| extended by a page when inserting an +| undo log record, this corresponds to +| a pessimistic insert in a B-tree. +V +Rollback segment header +| +V +Purge system latch +| +V +Undo log pages If a thread owns the trx undo mutex, +| or for a log in the history list, the +| rseg mutex, it is allowed to latch +| undo log pages in any order, and even +| after it has acquired the fsp latch. +| If a thread does not have the +| appropriate mutex, it is allowed to +| latch only a single undo log page in +| a mini-transaction. +V +File space management latch If a mini-transaction must allocate +| several file pages, it can do that, +| because it keeps the x-latch to the +| file space management in its memo. +V +File system pages +| +V +Kernel mutex If a kernel operation needs a file +| page allocation, it must reserve the +| fsp x-latch before acquiring the kernel +| mutex. +V +Search system mutex +| +V +Buffer pool mutex +| +V +Log mutex +| +Any other latch +| +V +Memory pool mutex */ + +/* Latching order levels */ + +/* User transaction locks are higher than any of the latch levels below: +no latches are allowed when a thread goes to wait for a normal table +or row lock! */ +#define SYNC_USER_TRX_LOCK 9999 +#define SYNC_NO_ORDER_CHECK 3000 /* this can be used to suppress + latching order checking */ +#define SYNC_LEVEL_VARYING 2000 /* Level is varying. Only used with + buffer pool page locks, which do not + have a fixed level, but instead have + their level set after the page is + locked; see e.g. + ibuf_bitmap_get_map_page(). */ +#define SYNC_TRX_I_S_RWLOCK 1910 /* Used for + trx_i_s_cache_t::rw_lock */ +#define SYNC_TRX_I_S_LAST_READ 1900 /* Used for + trx_i_s_cache_t::last_read_mutex */ +#define SYNC_FILE_FORMAT_TAG 1200 /* Used to serialize access to the + file format tag */ +#define SYNC_DICT_OPERATION 1001 /* table create, drop, etc. reserve + this in X-mode, implicit or backround + operations purge, rollback, foreign + key checks reserve this in S-mode */ +#define SYNC_DICT 1000 +#define SYNC_DICT_AUTOINC_MUTEX 999 +#define SYNC_DICT_HEADER 995 +#define SYNC_IBUF_HEADER 914 +#define SYNC_IBUF_PESS_INSERT_MUTEX 912 +#define SYNC_IBUF_MUTEX 910 /* ibuf mutex is really below + SYNC_FSP_PAGE: we assign a value this + high only to make the program to pass + the debug checks */ +/*-------------------------------*/ +#define SYNC_INDEX_TREE 900 +#define SYNC_TREE_NODE_NEW 892 +#define SYNC_TREE_NODE_FROM_HASH 891 +#define SYNC_TREE_NODE 890 +#define SYNC_PURGE_SYS 810 +#define SYNC_PURGE_LATCH 800 +#define SYNC_TRX_UNDO 700 +#define SYNC_RSEG 600 +#define SYNC_RSEG_HEADER_NEW 591 +#define SYNC_RSEG_HEADER 590 +#define SYNC_TRX_UNDO_PAGE 570 +#define SYNC_EXTERN_STORAGE 500 +#define SYNC_FSP 400 +#define SYNC_FSP_PAGE 395 +/*------------------------------------- Insert buffer headers */ +/*------------------------------------- ibuf_mutex */ +/*------------------------------------- Insert buffer tree */ +#define SYNC_IBUF_BITMAP_MUTEX 351 +#define SYNC_IBUF_BITMAP 350 +/*------------------------------------- MySQL query cache mutex */ +/*------------------------------------- MySQL binlog mutex */ +/*-------------------------------*/ +#define SYNC_KERNEL 300 +#define SYNC_REC_LOCK 299 +#define SYNC_TRX_LOCK_HEAP 298 +#define SYNC_TRX_SYS_HEADER 290 +#define SYNC_LOG 170 +#define SYNC_RECV 168 +#define SYNC_WORK_QUEUE 162 +#define SYNC_SEARCH_SYS_CONF 161 /* for assigning btr_search_enabled */ +#define SYNC_SEARCH_SYS 160 /* NOTE that if we have a memory + heap that can be extended to the + buffer pool, its logical level is + SYNC_SEARCH_SYS, as memory allocation + can call routines there! Otherwise + the level is SYNC_MEM_HASH. */ +#define SYNC_BUF_POOL 150 /* Buffer pool mutex */ +#define SYNC_BUF_BLOCK 149 /* Block mutex */ +#define SYNC_BUF_FLUSH_LIST 145 /* Buffer flush list mutex */ +#define SYNC_DOUBLEWRITE 140 +#define SYNC_ANY_LATCH 135 +#define SYNC_THR_LOCAL 133 +#define SYNC_MEM_HASH 131 +#define SYNC_MEM_POOL 130 + +/* Codes used to designate lock operations */ +#define RW_LOCK_NOT_LOCKED 350 +#define RW_LOCK_EX 351 +#define RW_LOCK_EXCLUSIVE 351 +#define RW_LOCK_SHARED 352 +#define RW_LOCK_WAIT_EX 353 +#define SYNC_MUTEX 354 + +/* NOTE! The structure appears here only for the compiler to know its size. +Do not use its fields directly! The structure used in the spin lock +implementation of a mutual exclusion semaphore. */ + +/** InnoDB mutex */ +struct mutex_struct { + os_event_t event; /*!< Used by sync0arr.c for the wait queue */ + volatile lock_word_t lock_word; /*!< lock_word is the target + of the atomic test-and-set instruction when + atomic operations are enabled. */ + +#if !defined(HAVE_ATOMIC_BUILTINS) + os_fast_mutex_t + os_fast_mutex; /*!< We use this OS mutex in place of lock_word + when atomic operations are not enabled */ +#endif + ulint waiters; /*!< This ulint is set to 1 if there are (or + may be) threads waiting in the global wait + array for this mutex to be released. + Otherwise, this is 0. */ + UT_LIST_NODE_T(mutex_t) list; /*!< All allocated mutexes are put into + a list. Pointers to the next and prev. */ +#ifdef UNIV_SYNC_DEBUG + const char* file_name; /*!< File where the mutex was locked */ + ulint line; /*!< Line where the mutex was locked */ + ulint level; /*!< Level in the global latching order */ +#endif /* UNIV_SYNC_DEBUG */ + const char* cfile_name;/*!< File name where mutex created */ + ulint cline; /*!< Line where created */ +#ifdef UNIV_DEBUG + os_thread_id_t thread_id; /*!< The thread id of the thread + which locked the mutex. */ + ulint magic_n; /*!< MUTEX_MAGIC_N */ +/** Value of mutex_struct::magic_n */ +# define MUTEX_MAGIC_N (ulint)979585 +#endif /* UNIV_DEBUG */ + ulong count_os_wait; /*!< count of os_wait */ +#ifdef UNIV_DEBUG + ulong count_using; /*!< count of times mutex used */ + ulong count_spin_loop; /*!< count of spin loops */ + ulong count_spin_rounds;/*!< count of spin rounds */ + ulong count_os_yield; /*!< count of os_wait */ + ulonglong lspent_time; /*!< mutex os_wait timer msec */ + ulonglong lmax_spent_time;/*!< mutex os_wait timer msec */ + const char* cmutex_name; /*!< mutex name */ + ulint mutex_type; /*!< 0=usual mutex, 1=rw_lock mutex */ +#endif /* UNIV_DEBUG */ +}; + +/** The global array of wait cells for implementation of the databases own +mutexes and read-write locks. */ +extern sync_array_t* sync_primary_wait_array;/* Appears here for + debugging purposes only! */ + +/** Constant determining how long spin wait is continued before suspending +the thread. A value 600 rounds on a 1995 100 MHz Pentium seems to correspond +to 20 microseconds. */ + +#define SYNC_SPIN_ROUNDS srv_n_spin_wait_rounds + +/** The number of mutex_exit calls. Intended for performance monitoring. */ +extern ib_int64_t mutex_exit_count; + +#ifdef UNIV_SYNC_DEBUG +/** Latching order checks start when this is set TRUE */ +extern ibool sync_order_checks_on; +#endif /* UNIV_SYNC_DEBUG */ + +/** This variable is set to TRUE when sync_init is called */ +extern ibool sync_initialized; + +/** Global list of database mutexes (not OS mutexes) created. */ +typedef UT_LIST_BASE_NODE_T(mutex_t) ut_list_base_node_t; +/** Global list of database mutexes (not OS mutexes) created. */ +extern ut_list_base_node_t mutex_list; + +/** Mutex protecting the mutex_list variable */ +extern mutex_t mutex_list_mutex; + + +#ifndef UNIV_NONINL +#include "sync0sync.ic" +#endif + +#endif diff --git a/perfschema/include/sync0sync.ic b/perfschema/include/sync0sync.ic new file mode 100644 index 00000000000..b05020b5660 --- /dev/null +++ b/perfschema/include/sync0sync.ic @@ -0,0 +1,222 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0sync.ic +Mutex, the basic synchronization primitive + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +/******************************************************************//** +Sets the waiters field in a mutex. */ +UNIV_INTERN +void +mutex_set_waiters( +/*==============*/ + mutex_t* mutex, /*!< in: mutex */ + ulint n); /*!< in: value to set */ +/******************************************************************//** +Reserves a mutex for the current thread. If the mutex is reserved, the +function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting +for the mutex before suspending the thread. */ +UNIV_INTERN +void +mutex_spin_wait( +/*============*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex + requested */ + ulint line); /*!< in: line where requested */ +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Sets the debug information for a reserved mutex. */ +UNIV_INTERN +void +mutex_set_debug_info( +/*=================*/ + mutex_t* mutex, /*!< in: mutex */ + const char* file_name, /*!< in: file where requested */ + ulint line); /*!< in: line where requested */ +#endif /* UNIV_SYNC_DEBUG */ +/******************************************************************//** +Releases the threads waiting in the primary wait array for this mutex. */ +UNIV_INTERN +void +mutex_signal_object( +/*================*/ + mutex_t* mutex); /*!< in: mutex */ + +/******************************************************************//** +Performs an atomic test-and-set instruction to the lock_word field of a +mutex. +@return the previous value of lock_word: 0 or 1 */ +UNIV_INLINE +byte +mutex_test_and_set( +/*===============*/ + mutex_t* mutex) /*!< in: mutex */ +{ +#if defined(HAVE_ATOMIC_BUILTINS) + return(os_atomic_test_and_set_byte(&mutex->lock_word, 1)); +#else + ibool ret; + + ret = os_fast_mutex_trylock(&(mutex->os_fast_mutex)); + + if (ret == 0) { + /* We check that os_fast_mutex_trylock does not leak + and allow race conditions */ + ut_a(mutex->lock_word == 0); + + mutex->lock_word = 1; + } + + return((byte)ret); +#endif +} + +/******************************************************************//** +Performs a reset instruction to the lock_word field of a mutex. This +instruction also serializes memory operations to the program order. */ +UNIV_INLINE +void +mutex_reset_lock_word( +/*==================*/ + mutex_t* mutex) /*!< in: mutex */ +{ +#if defined(HAVE_ATOMIC_BUILTINS) + /* In theory __sync_lock_release should be used to release the lock. + Unfortunately, it does not work properly alone. The workaround is + that more conservative __sync_lock_test_and_set is used instead. */ + os_atomic_test_and_set_byte(&mutex->lock_word, 0); +#else + mutex->lock_word = 0; + + os_fast_mutex_unlock(&(mutex->os_fast_mutex)); +#endif +} + +/******************************************************************//** +Gets the value of the lock word. */ +UNIV_INLINE +lock_word_t +mutex_get_lock_word( +/*================*/ + const mutex_t* mutex) /*!< in: mutex */ +{ + ut_ad(mutex); + + return(mutex->lock_word); +} + +/******************************************************************//** +Gets the waiters field in a mutex. +@return value to set */ +UNIV_INLINE +ulint +mutex_get_waiters( +/*==============*/ + const mutex_t* mutex) /*!< in: mutex */ +{ + const volatile ulint* ptr; /*!< declared volatile to ensure that + the value is read from memory */ + ut_ad(mutex); + + ptr = &(mutex->waiters); + + return(*ptr); /* Here we assume that the read of a single + word from memory is atomic */ +} + +/******************************************************************//** +Unlocks a mutex owned by the current thread. */ +UNIV_INLINE +void +mutex_exit( +/*=======*/ + mutex_t* mutex) /*!< in: pointer to mutex */ +{ + ut_ad(mutex_own(mutex)); + + ut_d(mutex->thread_id = (os_thread_id_t) ULINT_UNDEFINED); + +#ifdef UNIV_SYNC_DEBUG + sync_thread_reset_level(mutex); +#endif + mutex_reset_lock_word(mutex); + + /* A problem: we assume that mutex_reset_lock word + is a memory barrier, that is when we read the waiters + field next, the read must be serialized in memory + after the reset. A speculative processor might + perform the read first, which could leave a waiting + thread hanging indefinitely. + + Our current solution call every second + sync_arr_wake_threads_if_sema_free() + to wake up possible hanging threads if + they are missed in mutex_signal_object. */ + + if (mutex_get_waiters(mutex) != 0) { + + mutex_signal_object(mutex); + } + +#ifdef UNIV_SYNC_PERF_STAT + mutex_exit_count++; +#endif +} + +/******************************************************************//** +Locks a mutex for the current thread. If the mutex is reserved, the function +spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for the mutex +before suspending the thread. */ +UNIV_INLINE +void +mutex_enter_func( +/*=============*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line) /*!< in: line where locked */ +{ + ut_ad(mutex_validate(mutex)); + ut_ad(!mutex_own(mutex)); + + /* Note that we do not peek at the value of lock_word before trying + the atomic test_and_set; we could peek, and possibly save time. */ + + ut_d(mutex->count_using++); + + if (!mutex_test_and_set(mutex)) { + ut_d(mutex->thread_id = os_thread_get_curr_id()); +#ifdef UNIV_SYNC_DEBUG + mutex_set_debug_info(mutex, file_name, line); +#endif + return; /* Succeeded! */ + } + + mutex_spin_wait(mutex, file_name, line); +} diff --git a/perfschema/include/sync0types.h b/perfschema/include/sync0types.h new file mode 100644 index 00000000000..1911bbac7fd --- /dev/null +++ b/perfschema/include/sync0types.h @@ -0,0 +1,34 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/sync0types.h +Global types for sync + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +#ifndef sync0types_h +#define sync0types_h + +/** Rename mutex_t to avoid name space collision on some systems */ +#define mutex_t ib_mutex_t +/** InnoDB mutex */ +typedef struct mutex_struct mutex_t; + +#endif diff --git a/perfschema/include/thr0loc.h b/perfschema/include/thr0loc.h new file mode 100644 index 00000000000..b7eb29f2ed0 --- /dev/null +++ b/perfschema/include/thr0loc.h @@ -0,0 +1,90 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/thr0loc.h +The thread local storage + +Created 10/5/1995 Heikki Tuuri +*******************************************************/ + +/* This module implements storage private to each thread, +a capability useful in some situations like storing the +OS handle to the current thread, or its priority. */ + +#ifndef thr0loc_h +#define thr0loc_h + +#include "univ.i" +#include "os0thread.h" + +/****************************************************************//** +Initializes the thread local storage module. */ +UNIV_INTERN +void +thr_local_init(void); +/*================*/ + /****************************************************************//** +Close the thread local storage module. */ +UNIV_INTERN +void +thr_local_close(void); +/*=================*/ +/*******************************************************************//** +Creates a local storage struct for the calling new thread. */ +UNIV_INTERN +void +thr_local_create(void); +/*==================*/ +/*******************************************************************//** +Frees the local storage struct for the specified thread. */ +UNIV_INTERN +void +thr_local_free( +/*===========*/ + os_thread_id_t id); /*!< in: thread id */ +/*******************************************************************//** +Gets the slot number in the thread table of a thread. +@return slot number */ +UNIV_INTERN +ulint +thr_local_get_slot_no( +/*==================*/ + os_thread_id_t id); /*!< in: thread id of the thread */ +/*******************************************************************//** +Sets in the local storage the slot number in the thread table of a thread. */ +UNIV_INTERN +void +thr_local_set_slot_no( +/*==================*/ + os_thread_id_t id, /*!< in: thread id of the thread */ + ulint slot_no);/*!< in: slot number */ +/*******************************************************************//** +Returns pointer to the 'in_ibuf' field within the current thread local +storage. +@return pointer to the in_ibuf field */ +UNIV_INTERN +ibool* +thr_local_get_in_ibuf_field(void); +/*=============================*/ + +#ifndef UNIV_NONINL +#include "thr0loc.ic" +#endif + +#endif diff --git a/perfschema/include/thr0loc.ic b/perfschema/include/thr0loc.ic new file mode 100644 index 00000000000..ce44e512320 --- /dev/null +++ b/perfschema/include/thr0loc.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/thr0loc.ic +Thread local storage + +Created 10/4/1995 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/trx0i_s.h b/perfschema/include/trx0i_s.h new file mode 100644 index 00000000000..7bd4e1b88c8 --- /dev/null +++ b/perfschema/include/trx0i_s.h @@ -0,0 +1,247 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0i_s.h +INFORMATION SCHEMA innodb_trx, innodb_locks and +innodb_lock_waits tables cache structures and public +functions. + +Created July 17, 2007 Vasil Dimov +*******************************************************/ + +#ifndef trx0i_s_h +#define trx0i_s_h + +#include "univ.i" +#include "trx0types.h" +#include "ut0ut.h" + +/** The maximum amount of memory that can be consumed by innodb_trx, +innodb_locks and innodb_lock_waits information schema tables. */ +#define TRX_I_S_MEM_LIMIT 16777216 /* 16 MiB */ + +/** The maximum length of a string that can be stored in +i_s_locks_row_t::lock_data */ +#define TRX_I_S_LOCK_DATA_MAX_LEN 8192 + +/** The maximum length of a string that can be stored in +i_s_trx_row_t::trx_query */ +#define TRX_I_S_TRX_QUERY_MAX_LEN 1024 + +/** A row of INFORMATION_SCHEMA.innodb_locks */ +typedef struct i_s_locks_row_struct i_s_locks_row_t; +/** A row of INFORMATION_SCHEMA.innodb_trx */ +typedef struct i_s_trx_row_struct i_s_trx_row_t; +/** A row of INFORMATION_SCHEMA.innodb_lock_waits */ +typedef struct i_s_lock_waits_row_struct i_s_lock_waits_row_t; + +/** Objects of trx_i_s_cache_t::locks_hash */ +typedef struct i_s_hash_chain_struct i_s_hash_chain_t; + +/** Objects of this type are added to the hash table +trx_i_s_cache_t::locks_hash */ +struct i_s_hash_chain_struct { + i_s_locks_row_t* value; /*!< row of + INFORMATION_SCHEMA.innodb_locks*/ + i_s_hash_chain_t* next; /*!< next item in the hash chain */ +}; + +/** This structure represents INFORMATION_SCHEMA.innodb_locks row */ +struct i_s_locks_row_struct { + ullint lock_trx_id; /*!< transaction identifier */ + const char* lock_mode; /*!< lock mode from + lock_get_mode_str() */ + const char* lock_type; /*!< lock type from + lock_get_type_str() */ + const char* lock_table; /*!< table name from + lock_get_table_name() */ + const char* lock_index; /*!< index name from + lock_rec_get_index_name() */ + /** Information for record locks. All these are + ULINT_UNDEFINED for table locks. */ + /* @{ */ + ulint lock_space; /*!< tablespace identifier */ + ulint lock_page; /*!< page number within the_space */ + ulint lock_rec; /*!< heap number of the record + on the page */ + const char* lock_data; /*!< (some) content of the record */ + /* @} */ + + /** The following are auxiliary and not included in the table */ + /* @{ */ + ullint lock_table_id; + /*!< table identifier from + lock_get_table_id */ + i_s_hash_chain_t hash_chain; /*!< hash table chain node for + trx_i_s_cache_t::locks_hash */ + /* @} */ +}; + +/** This structure represents INFORMATION_SCHEMA.innodb_trx row */ +struct i_s_trx_row_struct { + ullint trx_id; /*!< transaction identifier */ + const char* trx_state; /*!< transaction state from + trx_get_que_state_str() */ + ib_time_t trx_started; /*!< trx_struct::start_time */ + const i_s_locks_row_t* requested_lock_row; + /*!< pointer to a row + in innodb_locks if trx + is waiting, or NULL */ + ib_time_t trx_wait_started; + /*!< trx_struct::wait_started */ + ullint trx_weight; /*!< TRX_WEIGHT() */ + ulint trx_mysql_thread_id; + /*!< thd_get_thread_id() */ + const char* trx_query; /*!< MySQL statement being + executed in the transaction */ +}; + +/** This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */ +struct i_s_lock_waits_row_struct { + const i_s_locks_row_t* requested_lock_row; /*!< requested lock */ + const i_s_locks_row_t* blocking_lock_row; /*!< blocking lock */ +}; + +/** Cache of INFORMATION_SCHEMA table data */ +typedef struct trx_i_s_cache_struct trx_i_s_cache_t; + +/** Auxiliary enum used by functions that need to select one of the +INFORMATION_SCHEMA tables */ +enum i_s_table { + I_S_INNODB_TRX, /*!< INFORMATION_SCHEMA.innodb_trx */ + I_S_INNODB_LOCKS, /*!< INFORMATION_SCHEMA.innodb_locks */ + I_S_INNODB_LOCK_WAITS /*!< INFORMATION_SCHEMA.innodb_lock_waits */ +}; + +/** This is the intermediate buffer where data needed to fill the +INFORMATION SCHEMA tables is fetched and later retrieved by the C++ +code in handler/i_s.cc. */ +extern trx_i_s_cache_t* trx_i_s_cache; + +/*******************************************************************//** +Initialize INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_init( +/*===============*/ + trx_i_s_cache_t* cache); /*!< out: cache to init */ +/*******************************************************************//** +Free the INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_free( +/*===============*/ + trx_i_s_cache_t* cache); /*!< in/out: cache to free */ + +/*******************************************************************//** +Issue a shared/read lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_start_read( +/*=====================*/ + trx_i_s_cache_t* cache); /*!< in: cache */ + +/*******************************************************************//** +Release a shared/read lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_end_read( +/*===================*/ + trx_i_s_cache_t* cache); /*!< in: cache */ + +/*******************************************************************//** +Issue an exclusive/write lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_start_write( +/*======================*/ + trx_i_s_cache_t* cache); /*!< in: cache */ + +/*******************************************************************//** +Release an exclusive/write lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_end_write( +/*====================*/ + trx_i_s_cache_t* cache); /*!< in: cache */ + + +/*******************************************************************//** +Retrieves the number of used rows in the cache for a given +INFORMATION SCHEMA table. +@return number of rows */ +UNIV_INTERN +ulint +trx_i_s_cache_get_rows_used( +/*========================*/ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table); /*!< in: which table */ + +/*******************************************************************//** +Retrieves the nth row in the cache for a given INFORMATION SCHEMA +table. +@return row */ +UNIV_INTERN +void* +trx_i_s_cache_get_nth_row( +/*======================*/ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table, /*!< in: which table */ + ulint n); /*!< in: row number */ + +/*******************************************************************//** +Update the transactions cache if it has not been read for some time. +@return 0 - fetched, 1 - not */ +UNIV_INTERN +int +trx_i_s_possibly_fetch_data_into_cache( +/*===================================*/ + trx_i_s_cache_t* cache); /*!< in/out: cache */ + +/*******************************************************************//** +Returns TRUE if the data in the cache is truncated due to the memory +limit posed by TRX_I_S_MEM_LIMIT. +@return TRUE if truncated */ +UNIV_INTERN +ibool +trx_i_s_cache_is_truncated( +/*=======================*/ + trx_i_s_cache_t* cache); /*!< in: cache */ + +/** The maximum length of a resulting lock_id_size in +trx_i_s_create_lock_id(), not including the terminating NUL. +":%lu:%lu:%lu" -> 63 chars */ +#define TRX_I_S_LOCK_ID_MAX_LEN (TRX_ID_MAX_LEN + 63) + +/*******************************************************************//** +Crafts a lock id string from a i_s_locks_row_t object. Returns its +second argument. This function aborts if there is not enough space in +lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you +want to be 100% sure that it will not abort. +@return resulting lock id */ +UNIV_INTERN +char* +trx_i_s_create_lock_id( +/*===================*/ + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + char* lock_id,/*!< out: resulting lock_id */ + ulint lock_id_size);/*!< in: size of the lock id + buffer */ + +#endif /* trx0i_s_h */ diff --git a/perfschema/include/trx0purge.h b/perfschema/include/trx0purge.h new file mode 100644 index 00000000000..908760580f6 --- /dev/null +++ b/perfschema/include/trx0purge.h @@ -0,0 +1,189 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0purge.h +Purge old versions + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0purge_h +#define trx0purge_h + +#include "univ.i" +#include "trx0types.h" +#include "mtr0mtr.h" +#include "trx0sys.h" +#include "que0types.h" +#include "page0page.h" +#include "usr0sess.h" +#include "fil0fil.h" + +/** The global data structure coordinating a purge */ +extern trx_purge_t* purge_sys; + +/** A dummy undo record used as a return value when we have a whole undo log +which needs no purge */ +extern trx_undo_rec_t trx_purge_dummy_rec; + +/********************************************************************//** +Calculates the file address of an undo log header when we have the file +address of its history list node. +@return file address of the log */ +UNIV_INLINE +fil_addr_t +trx_purge_get_log_from_hist( +/*========================*/ + fil_addr_t node_addr); /*!< in: file address of the history + list node of the log */ +/*****************************************************************//** +Checks if trx_id is >= purge_view: then it is guaranteed that its update +undo log still exists in the system. +@return TRUE if is sure that it is preserved, also if the function +returns FALSE, it is possible that the undo log still exists in the +system */ +UNIV_INTERN +ibool +trx_purge_update_undo_must_exist( +/*=============================*/ + trx_id_t trx_id);/*!< in: transaction id */ +/********************************************************************//** +Creates the global purge system control structure and inits the history +mutex. */ +UNIV_INTERN +void +trx_purge_sys_create(void); +/*======================*/ +/********************************************************************//** +Frees the global purge system control structure. */ +UNIV_INTERN +void +trx_purge_sys_close(void); +/*======================*/ +/************************************************************************ +Adds the update undo log as the first log in the history list. Removes the +update undo log segment from the rseg slot if it is too big for reuse. */ +UNIV_INTERN +void +trx_purge_add_update_undo_to_history( +/*=================================*/ + trx_t* trx, /*!< in: transaction */ + page_t* undo_page, /*!< in: update undo log header page, + x-latched */ + mtr_t* mtr); /*!< in: mtr */ +/********************************************************************//** +Fetches the next undo log record from the history list to purge. It must be +released with the corresponding release function. +@return copy of an undo log record or pointer to trx_purge_dummy_rec, +if the whole undo log can skipped in purge; NULL if none left */ +UNIV_INTERN +trx_undo_rec_t* +trx_purge_fetch_next_rec( +/*=====================*/ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + trx_undo_inf_t** cell, /*!< out: storage cell for the record in the + purge array */ + mem_heap_t* heap); /*!< in: memory heap where copied */ +/*******************************************************************//** +Releases a reserved purge undo record. */ +UNIV_INTERN +void +trx_purge_rec_release( +/*==================*/ + trx_undo_inf_t* cell); /*!< in: storage cell */ +/*******************************************************************//** +This function runs a purge batch. +@return number of undo log pages handled in the batch */ +UNIV_INTERN +ulint +trx_purge(void); +/*===========*/ +/******************************************************************//** +Prints information of the purge system to stderr. */ +UNIV_INTERN +void +trx_purge_sys_print(void); +/*======================*/ + +/** The control structure used in the purge operation */ +struct trx_purge_struct{ + ulint state; /*!< Purge system state */ + sess_t* sess; /*!< System session running the purge + query */ + trx_t* trx; /*!< System transaction running the purge + query: this trx is not in the trx list + of the trx system and it never ends */ + que_t* query; /*!< The query graph which will do the + parallelized purge operation */ + rw_lock_t latch; /*!< The latch protecting the purge view. + A purge operation must acquire an + x-latch here for the instant at which + it changes the purge view: an undo + log operation can prevent this by + obtaining an s-latch here. */ + read_view_t* view; /*!< The purge will not remove undo logs + which are >= this view (purge view) */ + mutex_t mutex; /*!< Mutex protecting the fields below */ + ulint n_pages_handled;/*!< Approximate number of undo log + pages processed in purge */ + ulint handle_limit; /*!< Target of how many pages to get + processed in the current purge */ + /*------------------------------*/ + /* The following two fields form the 'purge pointer' which advances + during a purge, and which is used in history list truncation */ + + trx_id_t purge_trx_no; /*!< Purge has advanced past all + transactions whose number is less + than this */ + undo_no_t purge_undo_no; /*!< Purge has advanced past all records + whose undo number is less than this */ + /*-----------------------------*/ + ibool next_stored; /*!< TRUE if the info of the next record + to purge is stored below: if yes, then + the transaction number and the undo + number of the record are stored in + purge_trx_no and purge_undo_no above */ + trx_rseg_t* rseg; /*!< Rollback segment for the next undo + record to purge */ + ulint page_no; /*!< Page number for the next undo + record to purge, page number of the + log header, if dummy record */ + ulint offset; /*!< Page offset for the next undo + record to purge, 0 if the dummy + record */ + ulint hdr_page_no; /*!< Header page of the undo log where + the next record to purge belongs */ + ulint hdr_offset; /*!< Header byte offset on the page */ + /*-----------------------------*/ + trx_undo_arr_t* arr; /*!< Array of transaction numbers and + undo numbers of the undo records + currently under processing in purge */ + mem_heap_t* heap; /*!< Temporary storage used during a + purge: can be emptied after purge + completes */ +}; + +#define TRX_PURGE_ON 1 /* purge operation is running */ +#define TRX_STOP_PURGE 2 /* purge operation is stopped, or + it should be stopped */ +#ifndef UNIV_NONINL +#include "trx0purge.ic" +#endif + +#endif diff --git a/perfschema/include/trx0purge.ic b/perfschema/include/trx0purge.ic new file mode 100644 index 00000000000..de09e393654 --- /dev/null +++ b/perfschema/include/trx0purge.ic @@ -0,0 +1,43 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0purge.ic +Purge old versions + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0undo.h" + +/********************************************************************//** +Calculates the file address of an undo log header when we have the file +address of its history list node. +@return file address of the log */ +UNIV_INLINE +fil_addr_t +trx_purge_get_log_from_hist( +/*========================*/ + fil_addr_t node_addr) /*!< in: file address of the history + list node of the log */ +{ + node_addr.boffset -= TRX_UNDO_HISTORY_NODE; + + return(node_addr); +} + diff --git a/perfschema/include/trx0rec.h b/perfschema/include/trx0rec.h new file mode 100644 index 00000000000..a6e56e963c6 --- /dev/null +++ b/perfschema/include/trx0rec.h @@ -0,0 +1,338 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0rec.h +Transaction undo log record + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0rec_h +#define trx0rec_h + +#include "univ.i" +#include "trx0types.h" +#include "row0types.h" +#include "mtr0mtr.h" +#include "dict0types.h" +#include "data0data.h" +#include "rem0types.h" + +#ifndef UNIV_HOTBACKUP +# include "que0types.h" + +/***********************************************************************//** +Copies the undo record to the heap. +@return own: copy of undo log record */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_rec_copy( +/*==============*/ + const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap); /*!< in: heap where copied */ +/**********************************************************************//** +Reads the undo log record type. +@return record type */ +UNIV_INLINE +ulint +trx_undo_rec_get_type( +/*==================*/ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ +/**********************************************************************//** +Reads from an undo log record the record compiler info. +@return compiler info */ +UNIV_INLINE +ulint +trx_undo_rec_get_cmpl_info( +/*=======================*/ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ +/**********************************************************************//** +Returns TRUE if an undo log record contains an extern storage field. +@return TRUE if extern */ +UNIV_INLINE +ibool +trx_undo_rec_get_extern_storage( +/*============================*/ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ +/**********************************************************************//** +Reads the undo log record number. +@return undo no */ +UNIV_INLINE +undo_no_t +trx_undo_rec_get_undo_no( +/*=====================*/ + const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ +/**********************************************************************//** +Returns the start of the undo record data area. +@return offset to the data area */ +UNIV_INLINE +ulint +trx_undo_rec_get_offset( +/*====================*/ + undo_no_t undo_no) /*!< in: undo no read from node */ + __attribute__((const)); + +/**********************************************************************//** +Returns the start of the undo record data area. */ +#define trx_undo_rec_get_ptr(undo_rec, undo_no) \ + ((undo_rec) + trx_undo_rec_get_offset(undo_no)) + +/**********************************************************************//** +Reads from an undo log record the general parameters. +@return remaining part of undo log record after reading these values */ +UNIV_INTERN +byte* +trx_undo_rec_get_pars( +/*==================*/ + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + ulint* type, /*!< out: undo record type: + TRX_UNDO_INSERT_REC, ... */ + ulint* cmpl_info, /*!< out: compiler info, relevant only + for update type records */ + ibool* updated_extern, /*!< out: TRUE if we updated an + externally stored fild */ + undo_no_t* undo_no, /*!< out: undo log record number */ + dulint* table_id); /*!< out: table id */ +/*******************************************************************//** +Builds a row reference from an undo log record. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_get_row_ref( +/*=====================*/ + byte* ptr, /*!< in: remaining part of a copy of an undo log + record, at the start of the row reference; + NOTE that this copy of the undo log record must + be preserved as long as the row reference is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** ref, /*!< out, own: row reference */ + mem_heap_t* heap); /*!< in: memory heap from which the memory + needed is allocated */ +/*******************************************************************//** +Skips a row reference from an undo log record. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_skip_row_ref( +/*======================*/ + byte* ptr, /*!< in: remaining part in update undo log + record, at the start of the row reference */ + dict_index_t* index); /*!< in: clustered index */ +/**********************************************************************//** +Reads from an undo log update record the system field values of the old +version. +@return remaining part of undo log record after reading these values */ +UNIV_INTERN +byte* +trx_undo_update_rec_get_sys_cols( +/*=============================*/ + byte* ptr, /*!< in: remaining part of undo + log record after reading + general parameters */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr, /*!< out: roll ptr */ + ulint* info_bits); /*!< out: info bits state */ +/*******************************************************************//** +Builds an update vector based on a remaining part of an undo log record. +@return remaining part of the record, NULL if an error detected, which +means that the record is corrupted */ +UNIV_INTERN +byte* +trx_undo_update_rec_get_update( +/*===========================*/ + byte* ptr, /*!< in: remaining part in update undo log + record, after reading the row reference + NOTE that this copy of the undo log record must + be preserved as long as the update vector is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, + TRX_UNDO_UPD_DEL_REC, or + TRX_UNDO_DEL_MARK_REC; in the last case, + only trx id and roll ptr fields are added to + the update vector */ + trx_id_t trx_id, /*!< in: transaction id from this undorecord */ + roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ + ulint info_bits,/*!< in: info bits from this undo record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap from which the memory + needed is allocated */ + upd_t** upd); /*!< out, own: update vector */ +/*******************************************************************//** +Builds a partial row from an update undo log record. It contains the +columns which occur as ordering in any index of the table. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_get_partial_row( +/*=========================*/ + byte* ptr, /*!< in: remaining part in update undo log + record of a suitable type, at the start of + the stored index columns; + NOTE that this copy of the undo log record must + be preserved as long as the partial row is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** row, /*!< out, own: partial row */ + ibool ignore_prefix, /*!< in: flag to indicate if we + expect blob prefixes in undo. Used + only in the assertion. */ + mem_heap_t* heap); /*!< in: memory heap from which the memory + needed is allocated */ +/***********************************************************************//** +Writes information to an undo log about an insert, update, or a delete marking +of a clustered index record. This information is used in a rollback of the +transaction and in consistent reads that must look to the history of this +transaction. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +trx_undo_report_row_operation( +/*==========================*/ + ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is + set, does nothing */ + ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or + TRX_UNDO_MODIFY_OP */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: in the case of an insert, + index entry to insert into the + clustered index, otherwise NULL */ + const upd_t* update, /*!< in: in the case of an update, + the update vector, otherwise NULL */ + ulint cmpl_info, /*!< in: compiler info on secondary + index updates */ + const rec_t* rec, /*!< in: case of an update or delete + marking, the record in the clustered + index, otherwise NULL */ + roll_ptr_t* roll_ptr); /*!< out: rollback pointer to the + inserted undo log record, + ut_dulint_zero if BTR_NO_UNDO_LOG + flag was specified */ +/******************************************************************//** +Copies an undo record to heap. This function can be called if we know that +the undo log record exists. +@return own: copy of the record */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_undo_rec_low( +/*======================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ +/******************************************************************//** +Copies an undo record to heap. + +NOTE: the caller must have latches on the clustered index page and +purge_view. + +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been +truncated and we cannot fetch the old version */ +UNIV_INTERN +ulint +trx_undo_get_undo_rec( +/*==================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + trx_id_t trx_id, /*!< in: id of the trx that generated + the roll pointer: it points to an + undo log of this transaction */ + trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ +/*******************************************************************//** +Build a previous version of a clustered index record. This function checks +that the caller has a latch on the index page of the clustered index record +and an s-latch on the purge_view. This guarantees that the stack of versions +is locked. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is +earlier than purge_view, which means that it may have been removed, +DB_ERROR if corrupted record */ +UNIV_INTERN +ulint +trx_undo_prev_version_build( +/*========================*/ + const rec_t* index_rec,/*!< in: clustered index record in the + index tree */ + mtr_t* index_mtr,/*!< in: mtr which contains the latch to + index_rec page and purge_view */ + const rec_t* rec, /*!< in: version of a clustered index record */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + mem_heap_t* heap, /*!< in: memory heap from which the memory + needed is allocated */ + rec_t** old_vers);/*!< out, own: previous version, or NULL if + rec is the first inserted version, or if + history data has been deleted */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Parses a redo log record of adding an undo log record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_add_undo_rec( +/*========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page); /*!< in: page or NULL */ +/***********************************************************//** +Parses a redo log record of erasing of an undo page end. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_erase_page_end( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ + +#ifndef UNIV_HOTBACKUP + +/* Types of an undo log record: these have to be smaller than 16, as the +compilation info multiplied by 16 is ORed to this value in an undo log +record */ + +#define TRX_UNDO_INSERT_REC 11 /* fresh insert into clustered index */ +#define TRX_UNDO_UPD_EXIST_REC 12 /* update of a non-delete-marked + record */ +#define TRX_UNDO_UPD_DEL_REC 13 /* update of a delete marked record to + a not delete marked record; also the + fields of the record can change */ +#define TRX_UNDO_DEL_MARK_REC 14 /* delete marking of a record; fields + do not change */ +#define TRX_UNDO_CMPL_INFO_MULT 16 /* compilation info is multiplied by + this and ORed to the type above */ +#define TRX_UNDO_UPD_EXTERN 128 /* This bit can be ORed to type_cmpl + to denote that we updated external + storage fields: used by purge to + free the external storage */ + +/* Operation type flags used in trx_undo_report_row_operation */ +#define TRX_UNDO_INSERT_OP 1 +#define TRX_UNDO_MODIFY_OP 2 + +#ifndef UNIV_NONINL +#include "trx0rec.ic" +#endif + +#endif /* !UNIV_HOTBACKUP */ + +#endif /* trx0rec_h */ diff --git a/perfschema/include/trx0rec.ic b/perfschema/include/trx0rec.ic new file mode 100644 index 00000000000..e7e41d6d9f6 --- /dev/null +++ b/perfschema/include/trx0rec.ic @@ -0,0 +1,112 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0rec.ic +Transaction undo log record + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Reads from an undo log record the record type. +@return record type */ +UNIV_INLINE +ulint +trx_undo_rec_get_type( +/*==================*/ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ +{ + return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); +} + +/**********************************************************************//** +Reads from an undo log record the record compiler info. +@return compiler info */ +UNIV_INLINE +ulint +trx_undo_rec_get_cmpl_info( +/*=======================*/ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ +{ + return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); +} + +/**********************************************************************//** +Returns TRUE if an undo log record contains an extern storage field. +@return TRUE if extern */ +UNIV_INLINE +ibool +trx_undo_rec_get_extern_storage( +/*============================*/ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ +{ + if (mach_read_from_1(undo_rec + 2) & TRX_UNDO_UPD_EXTERN) { + + return(TRUE); + } + + return(FALSE); +} + +/**********************************************************************//** +Reads the undo log record number. +@return undo no */ +UNIV_INLINE +undo_no_t +trx_undo_rec_get_undo_no( +/*=====================*/ + const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ +{ + const byte* ptr; + + ptr = undo_rec + 3; + + return(mach_dulint_read_much_compressed(ptr)); +} + +/**********************************************************************//** +Returns the start of the undo record data area. +@return offset to the data area */ +UNIV_INLINE +ulint +trx_undo_rec_get_offset( +/*====================*/ + undo_no_t undo_no) /*!< in: undo no read from node */ +{ + return (3 + mach_dulint_get_much_compressed_size(undo_no)); +} + +/***********************************************************************//** +Copies the undo record to the heap. +@return own: copy of undo log record */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_rec_copy( +/*==============*/ + const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + mem_heap_t* heap) /*!< in: heap where copied */ +{ + ulint len; + + len = mach_read_from_2(undo_rec) + - ut_align_offset(undo_rec, UNIV_PAGE_SIZE); + return(mem_heap_dup(heap, undo_rec, len)); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0roll.h b/perfschema/include/trx0roll.h new file mode 100644 index 00000000000..1dee5655c8c --- /dev/null +++ b/perfschema/include/trx0roll.h @@ -0,0 +1,352 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0roll.h +Transaction rollback + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0roll_h +#define trx0roll_h + +#include "univ.i" +#include "trx0trx.h" +#include "trx0types.h" +#include "mtr0mtr.h" +#include "trx0sys.h" + +#define trx_roll_free_all_savepoints(s) trx_roll_savepoints_free((s), NULL) + +/*******************************************************************//** +Determines if this transaction is rolling back an incomplete transaction +in crash recovery. +@return TRUE if trx is an incomplete transaction that is being rolled +back in crash recovery */ +UNIV_INTERN +ibool +trx_is_recv( +/*========*/ + const trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** +Returns a transaction savepoint taken at this point in time. +@return savepoint */ +UNIV_INTERN +trx_savept_t +trx_savept_take( +/*============*/ + trx_t* trx); /*!< in: transaction */ +/*******************************************************************//** +Creates an undo number array. */ +UNIV_INTERN +trx_undo_arr_t* +trx_undo_arr_create(void); +/*=====================*/ +/*******************************************************************//** +Frees an undo number array. */ +UNIV_INTERN +void +trx_undo_arr_free( +/*==============*/ + trx_undo_arr_t* arr); /*!< in: undo number array */ +/*******************************************************************//** +Returns pointer to nth element in an undo number array. +@return pointer to the nth element */ +UNIV_INLINE +trx_undo_inf_t* +trx_undo_arr_get_nth_info( +/*======================*/ + trx_undo_arr_t* arr, /*!< in: undo number array */ + ulint n); /*!< in: position */ +/***********************************************************************//** +Tries truncate the undo logs. */ +UNIV_INTERN +void +trx_roll_try_truncate( +/*==================*/ + trx_t* trx); /*!< in/out: transaction */ +/********************************************************************//** +Pops the topmost record when the two undo logs of a transaction are seen +as a single stack of records ordered by their undo numbers. Inserts the +undo number of the popped undo record to the array of currently processed +undo numbers in the transaction. When the query thread finishes processing +of this undo record, it must be released with trx_undo_rec_release. +@return undo log record copied to heap, NULL if none left, or if the +undo number of the top record would be less than the limit */ +UNIV_INTERN +trx_undo_rec_t* +trx_roll_pop_top_rec_of_trx( +/*========================*/ + trx_t* trx, /*!< in: transaction */ + undo_no_t limit, /*!< in: least undo number we need */ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + mem_heap_t* heap); /*!< in: memory heap where copied */ +/********************************************************************//** +Reserves an undo log record for a query thread to undo. This should be +called if the query thread gets the undo log record not using the pop +function above. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +trx_undo_rec_reserve( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no);/*!< in: undo number of the record */ +/*******************************************************************//** +Releases a reserved undo record. */ +UNIV_INTERN +void +trx_undo_rec_release( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no);/*!< in: undo number */ +/*********************************************************************//** +Starts a rollback operation. */ +UNIV_INTERN +void +trx_rollback( +/*=========*/ + trx_t* trx, /*!< in: transaction */ + trx_sig_t* sig, /*!< in: signal starting the rollback */ + que_thr_t** next_thr);/*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. */ +UNIV_INTERN +void +trx_rollback_or_clean_recovered( +/*============================*/ + ibool all); /*!< in: FALSE=roll back dictionary transactions; + TRUE=roll back all non-PREPARED transactions */ +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. +Note: this is done in a background thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +trx_rollback_or_clean_all_recovered( +/*================================*/ + void* arg __attribute__((unused))); + /*!< in: a dummy parameter required by + os_thread_create */ +/****************************************************************//** +Finishes a transaction rollback. */ +UNIV_INTERN +void +trx_finish_rollback_off_kernel( +/*===========================*/ + que_t* graph, /*!< in: undo graph which can now be freed */ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr);/*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if this parameter is + NULL, it is ignored */ +/****************************************************************//** +Builds an undo 'query' graph for a transaction. The actual rollback is +performed by executing this query graph like a query subprocedure call. +The reply about the completion of the rollback will be sent by this +graph. +@return own: the query graph */ +UNIV_INTERN +que_t* +trx_roll_graph_build( +/*=================*/ + trx_t* trx); /*!< in: trx handle */ +/*********************************************************************//** +Creates a rollback command node struct. +@return own: rollback node struct */ +UNIV_INTERN +roll_node_t* +roll_node_create( +/*=============*/ + mem_heap_t* heap); /*!< in: mem heap where created */ +/***********************************************************//** +Performs an execution step for a rollback command node in a query graph. +@return query thread to run next, or NULL */ +UNIV_INTERN +que_thr_t* +trx_rollback_step( +/*==============*/ + que_thr_t* thr); /*!< in: query thread */ +/*******************************************************************//** +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_rollback_for_mysql( +/*===================*/ + trx_t* trx); /*!< in: transaction handle */ +/*******************************************************************//** +Rollback the latest SQL statement for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_rollback_last_sql_stat_for_mysql( +/*=================================*/ + trx_t* trx); /*!< in: transaction handle */ +/*******************************************************************//** +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_general_rollback_for_mysql( +/*===========================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_savept_t* savept);/*!< in: pointer to savepoint undo number, if + partial rollback requested, or NULL for + complete rollback */ +/*******************************************************************//** +Rolls back a transaction back to a named savepoint. Modifications after the +savepoint are undone but InnoDB does NOT release the corresponding locks +which are stored in memory. If a lock is 'implicit', that is, a new inserted +row holds a lock where the lock information is carried by the trx id stored in +the row, these locks are naturally released in the rollback. Savepoints which +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ +UNIV_INTERN +ulint +trx_rollback_to_savepoint_for_mysql( +/*================================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t* mysql_binlog_cache_pos);/*!< out: the MySQL binlog cache + position corresponding to this + savepoint; MySQL needs this + information to remove the + binlog entries of the queries + executed after the savepoint */ +/*******************************************************************//** +Creates a named savepoint. If the transaction is not yet started, starts it. +If there is already a savepoint of the same name, this call erases that old +savepoint and replaces it with a new. Savepoints are deleted in a transaction +commit or rollback. +@return always DB_SUCCESS */ +UNIV_INTERN +ulint +trx_savepoint_for_mysql( +/*====================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t binlog_cache_pos); /*!< in: MySQL binlog cache + position corresponding to this + connection at the time of the + savepoint */ + +/*******************************************************************//** +Releases a named savepoint. Savepoints which +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ +UNIV_INTERN +ulint +trx_release_savepoint_for_mysql( +/*============================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name); /*!< in: savepoint name */ + +/*******************************************************************//** +Frees a single savepoint struct. */ +UNIV_INTERN +void +trx_roll_savepoint_free( +/*=====================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep); /*!< in: savepoint to free */ + +/*******************************************************************//** +Frees savepoint structs starting from savep, if savep == NULL then +free all savepoints. */ +UNIV_INTERN +void +trx_roll_savepoints_free( +/*=====================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep); /*!< in: free all savepoints > this one; + if this is NULL, free all savepoints + of trx */ + +/** A cell of trx_undo_arr_struct; used during a rollback and a purge */ +struct trx_undo_inf_struct{ + trx_id_t trx_no; /*!< transaction number: not defined during + a rollback */ + undo_no_t undo_no;/*!< undo number of an undo record */ + ibool in_use; /*!< TRUE if the cell is in use */ +}; + +/** During a rollback and a purge, undo numbers of undo records currently being +processed are stored in this array */ + +struct trx_undo_arr_struct{ + ulint n_cells; /*!< number of cells in the array */ + ulint n_used; /*!< number of cells currently in use */ + trx_undo_inf_t* infos; /*!< the array of undo infos */ + mem_heap_t* heap; /*!< memory heap from which allocated */ +}; + +/** Rollback node states */ +enum roll_node_state { + ROLL_NODE_SEND = 1, /*!< about to send a rollback signal to + the transaction */ + ROLL_NODE_WAIT /*!< rollback signal sent to the transaction, + waiting for completion */ +}; + +/** Rollback command node in a query graph */ +struct roll_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_ROLLBACK */ + enum roll_node_state state; /*!< node execution state */ + ibool partial;/*!< TRUE if we want a partial + rollback */ + trx_savept_t savept; /*!< savepoint to which to + roll back, in the case of a + partial rollback */ +}; + +/** A savepoint set with SQL's "SAVEPOINT savepoint_id" command */ +struct trx_named_savept_struct{ + char* name; /*!< savepoint name */ + trx_savept_t savept; /*!< the undo number corresponding to + the savepoint */ + ib_int64_t mysql_binlog_cache_pos; + /*!< the MySQL binlog cache position + corresponding to this savepoint, not + defined if the MySQL binlogging is not + enabled */ + UT_LIST_NODE_T(trx_named_savept_t) + trx_savepoints; /*!< the list of savepoints of a + transaction */ +}; + +#ifndef UNIV_NONINL +#include "trx0roll.ic" +#endif + +#endif diff --git a/perfschema/include/trx0roll.ic b/perfschema/include/trx0roll.ic new file mode 100644 index 00000000000..3460832b18c --- /dev/null +++ b/perfschema/include/trx0roll.ic @@ -0,0 +1,40 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0roll.ic +Transaction rollback + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +/*******************************************************************//** +Returns pointer to nth element in an undo number array. +@return pointer to the nth element */ +UNIV_INLINE +trx_undo_inf_t* +trx_undo_arr_get_nth_info( +/*======================*/ + trx_undo_arr_t* arr, /*!< in: undo number array */ + ulint n) /*!< in: position */ +{ + ut_ad(arr); + ut_ad(n < arr->n_cells); + + return(arr->infos + n); +} diff --git a/perfschema/include/trx0rseg.h b/perfschema/include/trx0rseg.h new file mode 100644 index 00000000000..a25d84f1e84 --- /dev/null +++ b/perfschema/include/trx0rseg.h @@ -0,0 +1,209 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0rseg.h +Rollback segment + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0rseg_h +#define trx0rseg_h + +#include "univ.i" +#include "trx0types.h" +#include "trx0sys.h" + +/******************************************************************//** +Gets a rollback segment header. +@return rollback segment header, page x-latched */ +UNIV_INLINE +trx_rsegf_t* +trx_rsegf_get( +/*==========*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Gets a newly created rollback segment header. +@return rollback segment header, page x-latched */ +UNIV_INLINE +trx_rsegf_t* +trx_rsegf_get_new( +/*==============*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr); /*!< in: mtr */ +/***************************************************************//** +Gets the file page number of the nth undo log slot. +@return page number of the undo log segment */ +UNIV_INLINE +ulint +trx_rsegf_get_nth_undo( +/*===================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + mtr_t* mtr); /*!< in: mtr */ +/***************************************************************//** +Sets the file page number of the nth undo log slot. */ +UNIV_INLINE +void +trx_rsegf_set_nth_undo( +/*===================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + ulint page_no,/*!< in: page number of the undo log segment */ + mtr_t* mtr); /*!< in: mtr */ +/****************************************************************//** +Looks for a free slot for an undo log segment. +@return slot index or ULINT_UNDEFINED if not found */ +UNIV_INLINE +ulint +trx_rsegf_undo_find_free( +/*=====================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Looks for a rollback segment, based on the rollback segment id. +@return rollback segment */ +UNIV_INTERN +trx_rseg_t* +trx_rseg_get_on_id( +/*===============*/ + ulint id); /*!< in: rollback segment id */ +/****************************************************************//** +Creates a rollback segment header. This function is called only when +a new rollback segment is created in the database. +@return page number of the created segment, FIL_NULL if fail */ +UNIV_INTERN +ulint +trx_rseg_header_create( +/*===================*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint max_size, /*!< in: max size in pages */ + ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + mtr_t* mtr); /*!< in: mtr */ +/*********************************************************************//** +Creates the memory copies for rollback segments and initializes the +rseg list and array in trx_sys at a database startup. */ +UNIV_INTERN +void +trx_rseg_list_and_array_init( +/*=========================*/ + trx_sysf_t* sys_header, /*!< in: trx system header */ + mtr_t* mtr); /*!< in: mtr */ +/*************************************************************************** +Free's an instance of the rollback segment in memory. */ +UNIV_INTERN +void +trx_rseg_mem_free( +/*==============*/ + trx_rseg_t* rseg); /* in, own: instance to free */ + + +/* Number of undo log slots in a rollback segment file copy */ +#define TRX_RSEG_N_SLOTS (UNIV_PAGE_SIZE / 16) + +/* Maximum number of transactions supported by a single rollback segment */ +#define TRX_RSEG_MAX_N_TRXS (TRX_RSEG_N_SLOTS / 2) + +/* The rollback segment memory object */ +struct trx_rseg_struct{ + /*--------------------------------------------------------*/ + ulint id; /*!< rollback segment id == the index of + its slot in the trx system file copy */ + mutex_t mutex; /*!< mutex protecting the fields in this + struct except id; NOTE that the latching + order must always be kernel mutex -> + rseg mutex */ + ulint space; /*!< space where the rollback segment is + header is placed */ + ulint zip_size;/* compressed page size of space + in bytes, or 0 for uncompressed spaces */ + ulint page_no;/* page number of the rollback segment + header */ + ulint max_size;/* maximum allowed size in pages */ + ulint curr_size;/* current size in pages */ + /*--------------------------------------------------------*/ + /* Fields for update undo logs */ + UT_LIST_BASE_NODE_T(trx_undo_t) update_undo_list; + /* List of update undo logs */ + UT_LIST_BASE_NODE_T(trx_undo_t) update_undo_cached; + /* List of update undo log segments + cached for fast reuse */ + /*--------------------------------------------------------*/ + /* Fields for insert undo logs */ + UT_LIST_BASE_NODE_T(trx_undo_t) insert_undo_list; + /* List of insert undo logs */ + UT_LIST_BASE_NODE_T(trx_undo_t) insert_undo_cached; + /* List of insert undo log segments + cached for fast reuse */ + /*--------------------------------------------------------*/ + ulint last_page_no; /*!< Page number of the last not yet + purged log header in the history list; + FIL_NULL if all list purged */ + ulint last_offset; /*!< Byte offset of the last not yet + purged log header */ + trx_id_t last_trx_no; /*!< Transaction number of the last not + yet purged log */ + ibool last_del_marks; /*!< TRUE if the last not yet purged log + needs purging */ + /*--------------------------------------------------------*/ + UT_LIST_NODE_T(trx_rseg_t) rseg_list; + /* the list of the rollback segment + memory objects */ +}; + +/* Undo log segment slot in a rollback segment header */ +/*-------------------------------------------------------------*/ +#define TRX_RSEG_SLOT_PAGE_NO 0 /* Page number of the header page of + an undo log segment */ +/*-------------------------------------------------------------*/ +/* Slot size */ +#define TRX_RSEG_SLOT_SIZE 4 + +/* The offset of the rollback segment header on its page */ +#define TRX_RSEG FSEG_PAGE_DATA + +/* Transaction rollback segment header */ +/*-------------------------------------------------------------*/ +#define TRX_RSEG_MAX_SIZE 0 /* Maximum allowed size for rollback + segment in pages */ +#define TRX_RSEG_HISTORY_SIZE 4 /* Number of file pages occupied + by the logs in the history list */ +#define TRX_RSEG_HISTORY 8 /* The update undo logs for committed + transactions */ +#define TRX_RSEG_FSEG_HEADER (8 + FLST_BASE_NODE_SIZE) + /* Header for the file segment where + this page is placed */ +#define TRX_RSEG_UNDO_SLOTS (8 + FLST_BASE_NODE_SIZE + FSEG_HEADER_SIZE) + /* Undo log segment slots */ +/*-------------------------------------------------------------*/ + +#ifndef UNIV_NONINL +#include "trx0rseg.ic" +#endif + +#endif diff --git a/perfschema/include/trx0rseg.ic b/perfschema/include/trx0rseg.ic new file mode 100644 index 00000000000..daffa92fc7d --- /dev/null +++ b/perfschema/include/trx0rseg.ic @@ -0,0 +1,145 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0rseg.ic +Rollback segment + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "srv0srv.h" +#include "mtr0log.h" + +/******************************************************************//** +Gets a rollback segment header. +@return rollback segment header, page x-latched */ +UNIV_INLINE +trx_rsegf_t* +trx_rsegf_get( +/*==========*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + trx_rsegf_t* header; + + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_RSEG_HEADER); + + header = TRX_RSEG + buf_block_get_frame(block); + + return(header); +} + +/******************************************************************//** +Gets a newly created rollback segment header. +@return rollback segment header, page x-latched */ +UNIV_INLINE +trx_rsegf_t* +trx_rsegf_get_new( +/*==============*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the header */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + trx_rsegf_t* header; + + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); + + header = TRX_RSEG + buf_block_get_frame(block); + + return(header); +} + +/***************************************************************//** +Gets the file page number of the nth undo log slot. +@return page number of the undo log segment */ +UNIV_INLINE +ulint +trx_rsegf_get_nth_undo( +/*===================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { + fprintf(stderr, + "InnoDB: Error: trying to get slot %lu of rseg\n", + (ulong) n); + ut_error; + } + + return(mtr_read_ulint(rsegf + TRX_RSEG_UNDO_SLOTS + + n * TRX_RSEG_SLOT_SIZE, MLOG_4BYTES, mtr)); +} + +/***************************************************************//** +Sets the file page number of the nth undo log slot. */ +UNIV_INLINE +void +trx_rsegf_set_nth_undo( +/*===================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + ulint n, /*!< in: index of slot */ + ulint page_no,/*!< in: page number of the undo log segment */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { + fprintf(stderr, + "InnoDB: Error: trying to set slot %lu of rseg\n", + (ulong) n); + ut_error; + } + + mlog_write_ulint(rsegf + TRX_RSEG_UNDO_SLOTS + n * TRX_RSEG_SLOT_SIZE, + page_no, MLOG_4BYTES, mtr); +} + +/****************************************************************//** +Looks for a free slot for an undo log segment. +@return slot index or ULINT_UNDEFINED if not found */ +UNIV_INLINE +ulint +trx_rsegf_undo_find_free( +/*=====================*/ + trx_rsegf_t* rsegf, /*!< in: rollback segment header */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + ulint page_no; + + for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { + + page_no = trx_rsegf_get_nth_undo(rsegf, i, mtr); + + if (page_no == FIL_NULL) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} diff --git a/perfschema/include/trx0sys.h b/perfschema/include/trx0sys.h new file mode 100644 index 00000000000..cbb89689748 --- /dev/null +++ b/perfschema/include/trx0sys.h @@ -0,0 +1,626 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0sys.h +Transaction system + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0sys_h +#define trx0sys_h + +#include "univ.i" + +#include "trx0types.h" +#include "fsp0types.h" +#include "fil0fil.h" +#include "buf0buf.h" +#ifndef UNIV_HOTBACKUP +#include "mtr0mtr.h" +#include "ut0byte.h" +#include "mem0mem.h" +#include "sync0sync.h" +#include "ut0lst.h" +#include "read0types.h" +#include "page0types.h" + +/** In a MySQL replication slave, in crash recovery we store the master log +file name and position here. */ +/* @{ */ +/** Master binlog file name */ +extern char trx_sys_mysql_master_log_name[]; +/** Master binlog file position. We have successfully got the updates +up to this position. -1 means that no crash recovery was needed, or +there was no master log position info inside InnoDB.*/ +extern ib_int64_t trx_sys_mysql_master_log_pos; +/* @} */ + +/** If this MySQL server uses binary logging, after InnoDB has been inited +and if it has done a crash recovery, we store the binlog file name and position +here. */ +/* @{ */ +/** Binlog file name */ +extern char trx_sys_mysql_bin_log_name[]; +/** Binlog file position, or -1 if unknown */ +extern ib_int64_t trx_sys_mysql_bin_log_pos; +/* @} */ + +/** The transaction system */ +extern trx_sys_t* trx_sys; + +/** Doublewrite system */ +extern trx_doublewrite_t* trx_doublewrite; +/** The following is set to TRUE when we are upgrading from pre-4.1 +format data files to the multiple tablespaces format data files */ +extern ibool trx_doublewrite_must_reset_space_ids; +/** Set to TRUE when the doublewrite buffer is being created */ +extern ibool trx_doublewrite_buf_is_being_created; +/** The following is TRUE when we are using the database in the +post-4.1 format, i.e., we have successfully upgraded, or have created +a new database installation */ +extern ibool trx_sys_multiple_tablespace_format; + +/****************************************************************//** +Creates the doublewrite buffer to a new InnoDB installation. The header of the +doublewrite buffer is placed on the trx system header page. */ +UNIV_INTERN +void +trx_sys_create_doublewrite_buf(void); +/*================================*/ +/****************************************************************//** +At a database startup initializes the doublewrite buffer memory structure if +we already have a doublewrite buffer created in the data files. If we are +upgrading to an InnoDB version which supports multiple tablespaces, then this +function performs the necessary update operations. If we are in a crash +recovery, this function uses a possible doublewrite buffer to restore +half-written pages in the data files. */ +UNIV_INTERN +void +trx_sys_doublewrite_init_or_restore_pages( +/*======================================*/ + ibool restore_corrupt_pages); /*!< in: TRUE=restore pages */ +/****************************************************************//** +Marks the trx sys header when we have successfully upgraded to the >= 4.1.x +multiple tablespace format. */ +UNIV_INTERN +void +trx_sys_mark_upgraded_to_multiple_tablespaces(void); +/*===============================================*/ +/****************************************************************//** +Determines if a page number is located inside the doublewrite buffer. +@return TRUE if the location is inside the two blocks of the +doublewrite buffer */ +UNIV_INTERN +ibool +trx_doublewrite_page_inside( +/*========================*/ + ulint page_no); /*!< in: page number */ +/***************************************************************//** +Checks if a page address is the trx sys header page. +@return TRUE if trx sys header page */ +UNIV_INLINE +ibool +trx_sys_hdr_page( +/*=============*/ + ulint space, /*!< in: space */ + ulint page_no);/*!< in: page number */ +/*****************************************************************//** +Creates and initializes the central memory structures for the transaction +system. This is called when the database is started. */ +UNIV_INTERN +void +trx_sys_init_at_db_start(void); +/*==========================*/ +/*****************************************************************//** +Creates and initializes the transaction system at the database creation. */ +UNIV_INTERN +void +trx_sys_create(void); +/*================*/ +/****************************************************************//** +Looks for a free slot for a rollback segment in the trx system file copy. +@return slot index or ULINT_UNDEFINED if not found */ +UNIV_INTERN +ulint +trx_sysf_rseg_find_free( +/*====================*/ + mtr_t* mtr); /*!< in: mtr */ +/***************************************************************//** +Gets the pointer in the nth slot of the rseg array. +@return pointer to rseg object, NULL if slot not in use */ +UNIV_INLINE +trx_rseg_t* +trx_sys_get_nth_rseg( +/*=================*/ + trx_sys_t* sys, /*!< in: trx system */ + ulint n); /*!< in: index of slot */ +/***************************************************************//** +Sets the pointer in the nth slot of the rseg array. */ +UNIV_INLINE +void +trx_sys_set_nth_rseg( +/*=================*/ + trx_sys_t* sys, /*!< in: trx system */ + ulint n, /*!< in: index of slot */ + trx_rseg_t* rseg); /*!< in: pointer to rseg object, NULL if slot + not in use */ +/**********************************************************************//** +Gets a pointer to the transaction system file copy and x-locks its page. +@return pointer to system file copy, page x-locked */ +UNIV_INLINE +trx_sysf_t* +trx_sysf_get( +/*=========*/ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Gets the space of the nth rollback segment slot in the trx system +file copy. +@return space id */ +UNIV_INLINE +ulint +trx_sysf_rseg_get_space( +/*====================*/ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Gets the page number of the nth rollback segment slot in the trx system +file copy. +@return page number, FIL_NULL if slot unused */ +UNIV_INLINE +ulint +trx_sysf_rseg_get_page_no( +/*======================*/ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Sets the space id of the nth rollback segment slot in the trx system +file copy. */ +UNIV_INLINE +void +trx_sysf_rseg_set_space( +/*====================*/ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint space, /*!< in: space id */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Sets the page number of the nth rollback segment slot in the trx system +file copy. */ +UNIV_INLINE +void +trx_sysf_rseg_set_page_no( +/*======================*/ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint page_no, /*!< in: page number, FIL_NULL if + the slot is reset to unused */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Allocates a new transaction id. +@return new, allocated trx id */ +UNIV_INLINE +trx_id_t +trx_sys_get_new_trx_id(void); +/*========================*/ +/*****************************************************************//** +Allocates a new transaction number. +@return new, allocated trx number */ +UNIV_INLINE +trx_id_t +trx_sys_get_new_trx_no(void); +/*========================*/ +#endif /* !UNIV_HOTBACKUP */ +/*****************************************************************//** +Writes a trx id to an index page. In case that the id size changes in +some future version, this function should be used instead of +mach_write_... */ +UNIV_INLINE +void +trx_write_trx_id( +/*=============*/ + byte* ptr, /*!< in: pointer to memory where written */ + trx_id_t id); /*!< in: id */ +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Reads a trx id from an index page. In case that the id size changes in +some future version, this function should be used instead of +mach_read_... +@return id */ +UNIV_INLINE +trx_id_t +trx_read_trx_id( +/*============*/ + const byte* ptr); /*!< in: pointer to memory from where to read */ +/****************************************************************//** +Looks for the trx handle with the given id in trx_list. +@return the trx handle or NULL if not found */ +UNIV_INLINE +trx_t* +trx_get_on_id( +/*==========*/ + trx_id_t trx_id);/*!< in: trx id to search for */ +/****************************************************************//** +Returns the minumum trx id in trx list. This is the smallest id for which +the trx can possibly be active. (But, you must look at the trx->conc_state to +find out if the minimum trx id transaction itself is active, or already +committed.) +@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ +UNIV_INLINE +trx_id_t +trx_list_get_min_trx_id(void); +/*=========================*/ +/****************************************************************//** +Checks if a transaction with the given id is active. +@return TRUE if active */ +UNIV_INLINE +ibool +trx_is_active( +/*==========*/ + trx_id_t trx_id);/*!< in: trx id of the transaction */ +/****************************************************************//** +Checks that trx is in the trx list. +@return TRUE if is in */ +UNIV_INTERN +ibool +trx_in_trx_list( +/*============*/ + trx_t* in_trx);/*!< in: trx */ +/*****************************************************************//** +Updates the offset information about the end of the MySQL binlog entry +which corresponds to the transaction just being committed. In a MySQL +replication slave updates the latest master binlog position up to which +replication has proceeded. */ +UNIV_INTERN +void +trx_sys_update_mysql_binlog_offset( +/*===============================*/ + const char* file_name,/*!< in: MySQL log file name */ + ib_int64_t offset, /*!< in: position in that log file */ + ulint field, /*!< in: offset of the MySQL log info field in + the trx sys header */ + mtr_t* mtr); /*!< in: mtr */ +/*****************************************************************//** +Prints to stderr the MySQL binlog offset info in the trx system header if +the magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset(void); +/*===================================*/ +/*****************************************************************//** +Prints to stderr the MySQL master log offset info in the trx system header if +the magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_master_log_pos(void); +/*====================================*/ +/*****************************************************************//** +Initializes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_init(void); +/*==========================*/ +/*****************************************************************//** +Closes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_close(void); +/*===========================*/ +/********************************************************************//** +Tags the system table space with minimum format id if it has not been +tagged yet. +WARNING: This function is only called during the startup and AFTER the +redo log application during recovery has finished. */ +UNIV_INTERN +void +trx_sys_file_format_tag_init(void); +/*==============================*/ +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Shutdown/Close the transaction system. */ +UNIV_INTERN +void +trx_sys_close(void); +/*===============*/ +#endif /* !UNIV_HOTBACKUP */ +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id); /*!< in: id of the file format */ +/*****************************************************************//** +Set the file format id unconditionally except if it's already the +same value. +@return TRUE if value updated */ +UNIV_INTERN +ibool +trx_sys_file_format_max_set( +/*========================*/ + ulint format_id, /*!< in: file format id */ + const char** name); /*!< out: max file format name or + NULL if not needed. */ +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the max format name */ +UNIV_INTERN +const char* +trx_sys_file_format_max_get(void); +/*=============================*/ +/*****************************************************************//** +Check for the max file format tag stored on disk. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +trx_sys_file_format_max_check( +/*==========================*/ + ulint max_format_id); /*!< in: the max format id to check */ +/********************************************************************//** +Update the file format tag in the system tablespace only if the given +format id is greater than the known max id. +@return TRUE if format_id was bigger than the known max id */ +UNIV_INTERN +ibool +trx_sys_file_format_max_upgrade( +/*============================*/ + const char** name, /*!< out: max file format name */ + ulint format_id); /*!< in: file format identifier */ +#else /* !UNIV_HOTBACKUP */ +/*****************************************************************//** +Prints to stderr the MySQL binlog info in the system header if the +magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset_from_page( +/*========================================*/ + const byte* page); /*!< in: buffer containing the trx + system header page, i.e., page number + TRX_SYS_PAGE_NO in the tablespace */ +/*****************************************************************//** +Reads the file format id from the first system table space file. +Even if the call succeeds and returns TRUE, the returned format id +may be ULINT_UNDEFINED signalling that the format id was not present +in the data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_file_format_id( +/*========================*/ + const char *pathname, /*!< in: pathname of the first system + table space file */ + ulint *format_id); /*!< out: file format of the system table + space */ +/*****************************************************************//** +Reads the file format id from the given per-table data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_pertable_file_format_id( +/*=================================*/ + const char *pathname, /*!< in: pathname of a per-table + datafile */ + ulint *format_id); /*!< out: file format of the per-table + data file */ +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id); /*!< in: id of the file format */ + +#endif /* !UNIV_HOTBACKUP */ +/* The automatically created system rollback segment has this id */ +#define TRX_SYS_SYSTEM_RSEG_ID 0 + +/* Space id and page no where the trx system file copy resides */ +#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ +#include "fsp0fsp.h" +#define TRX_SYS_PAGE_NO FSP_TRX_SYS_PAGE_NO + +/* The offset of the transaction system header on the page */ +#define TRX_SYS FSEG_PAGE_DATA + +/** Transaction system header */ +/*------------------------------------------------------------- @{ */ +#define TRX_SYS_TRX_ID_STORE 0 /*!< the maximum trx id or trx + number modulo + TRX_SYS_TRX_ID_UPDATE_MARGIN + written to a file page by any + transaction; the assignment of + transaction ids continues from + this number rounded up by + TRX_SYS_TRX_ID_UPDATE_MARGIN + plus + TRX_SYS_TRX_ID_UPDATE_MARGIN + when the database is + started */ +#define TRX_SYS_FSEG_HEADER 8 /*!< segment header for the + tablespace segment the trx + system is created into */ +#define TRX_SYS_RSEGS (8 + FSEG_HEADER_SIZE) + /*!< the start of the array of + rollback segment specification + slots */ +/*------------------------------------------------------------- @} */ + +/** Maximum number of rollback segments: the number of segment +specification slots in the transaction system array; rollback segment +id must fit in one byte, therefore 256; each slot is currently 8 bytes +in size */ +#define TRX_SYS_N_RSEGS 256 + +/** Maximum length of MySQL binlog file name, in bytes. +@see trx_sys_mysql_master_log_name +@see trx_sys_mysql_bin_log_name */ +#define TRX_SYS_MYSQL_LOG_NAME_LEN 512 +/** Contents of TRX_SYS_MYSQL_LOG_MAGIC_N_FLD */ +#define TRX_SYS_MYSQL_LOG_MAGIC_N 873422344 + +#if UNIV_PAGE_SIZE < 4096 +# error "UNIV_PAGE_SIZE < 4096" +#endif +/** The offset of the MySQL replication info in the trx system header; +this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ +#define TRX_SYS_MYSQL_MASTER_LOG_INFO (UNIV_PAGE_SIZE - 2000) + +/** The offset of the MySQL binlog offset info in the trx system header */ +#define TRX_SYS_MYSQL_LOG_INFO (UNIV_PAGE_SIZE - 1000) +#define TRX_SYS_MYSQL_LOG_MAGIC_N_FLD 0 /*!< magic number which is + TRX_SYS_MYSQL_LOG_MAGIC_N + if we have valid data in the + MySQL binlog info */ +#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH 4 /*!< high 4 bytes of the offset + within that file */ +#define TRX_SYS_MYSQL_LOG_OFFSET_LOW 8 /*!< low 4 bytes of the offset + within that file */ +#define TRX_SYS_MYSQL_LOG_NAME 12 /*!< MySQL log file name */ + +/** Doublewrite buffer */ +/* @{ */ +/** The offset of the doublewrite buffer header on the trx system header page */ +#define TRX_SYS_DOUBLEWRITE (UNIV_PAGE_SIZE - 200) +/*-------------------------------------------------------------*/ +#define TRX_SYS_DOUBLEWRITE_FSEG 0 /*!< fseg header of the fseg + containing the doublewrite + buffer */ +#define TRX_SYS_DOUBLEWRITE_MAGIC FSEG_HEADER_SIZE + /*!< 4-byte magic number which + shows if we already have + created the doublewrite + buffer */ +#define TRX_SYS_DOUBLEWRITE_BLOCK1 (4 + FSEG_HEADER_SIZE) + /*!< page number of the + first page in the first + sequence of 64 + (= FSP_EXTENT_SIZE) consecutive + pages in the doublewrite + buffer */ +#define TRX_SYS_DOUBLEWRITE_BLOCK2 (8 + FSEG_HEADER_SIZE) + /*!< page number of the + first page in the second + sequence of 64 consecutive + pages in the doublewrite + buffer */ +#define TRX_SYS_DOUBLEWRITE_REPEAT 12 /*!< we repeat + TRX_SYS_DOUBLEWRITE_MAGIC, + TRX_SYS_DOUBLEWRITE_BLOCK1, + TRX_SYS_DOUBLEWRITE_BLOCK2 + so that if the trx sys + header is half-written + to disk, we still may + be able to recover the + information */ +/** If this is not yet set to TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, +we must reset the doublewrite buffer, because starting from 4.1.x the +space id of a data page is stored into +FIL_PAGE_ARCH_LOG_NO_OR_SPACE_NO. */ +#define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED (24 + FSEG_HEADER_SIZE) + +/*-------------------------------------------------------------*/ +/** Contents of TRX_SYS_DOUBLEWRITE_MAGIC */ +#define TRX_SYS_DOUBLEWRITE_MAGIC_N 536853855 +/** Contents of TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED */ +#define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N 1783657386 + +/** Size of the doublewrite block in pages */ +#define TRX_SYS_DOUBLEWRITE_BLOCK_SIZE FSP_EXTENT_SIZE +/* @} */ + +#ifndef UNIV_HOTBACKUP +/** File format tag */ +/* @{ */ +/** The offset of the file format tag on the trx system header page +(TRX_SYS_PAGE_NO of TRX_SYS_SPACE) */ +#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) + +/** Contents of TRX_SYS_FILE_FORMAT_TAG when valid. The file format +identifier is added to this constant. */ +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL +/** Contents of TRX_SYS_FILE_FORMAT_TAG+4 when valid */ +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL +/* @} */ + +/** Doublewrite control struct */ +struct trx_doublewrite_struct{ + mutex_t mutex; /*!< mutex protecting the first_free field and + write_buf */ + ulint block1; /*!< the page number of the first + doublewrite block (64 pages) */ + ulint block2; /*!< page number of the second block */ + ulint first_free; /*!< first free position in write_buf measured + in units of UNIV_PAGE_SIZE */ + byte* write_buf; /*!< write buffer used in writing to the + doublewrite buffer, aligned to an + address divisible by UNIV_PAGE_SIZE + (which is required by Windows aio) */ + byte* write_buf_unaligned; + /*!< pointer to write_buf, but unaligned */ + buf_page_t** + buf_block_arr; /*!< array to store pointers to the buffer + blocks which have been cached to write_buf */ +}; + +/** The transaction system central memory data structure; protected by the +kernel mutex */ +struct trx_sys_struct{ + trx_id_t max_trx_id; /*!< The smallest number not yet + assigned as a transaction id or + transaction number */ + UT_LIST_BASE_NODE_T(trx_t) trx_list; + /*!< List of active and committed in + memory transactions, sorted on trx id, + biggest first */ + UT_LIST_BASE_NODE_T(trx_t) mysql_trx_list; + /*!< List of transactions created + for MySQL */ + UT_LIST_BASE_NODE_T(trx_rseg_t) rseg_list; + /*!< List of rollback segment + objects */ + trx_rseg_t* latest_rseg; /*!< Latest rollback segment in the + round-robin assignment of rollback + segments to transactions */ + trx_rseg_t* rseg_array[TRX_SYS_N_RSEGS]; + /*!< Pointer array to rollback + segments; NULL if slot not in use */ + ulint rseg_history_len;/*!< Length of the TRX_RSEG_HISTORY + list (update undo logs for committed + transactions), protected by + rseg->mutex */ + UT_LIST_BASE_NODE_T(read_view_t) view_list; + /*!< List of read views sorted + on trx no, biggest first */ +}; + +/** When a trx id which is zero modulo this number (which must be a power of +two) is assigned, the field TRX_SYS_TRX_ID_STORE on the transaction system +page is updated */ +#define TRX_SYS_TRX_ID_WRITE_MARGIN 256 +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_NONINL +#include "trx0sys.ic" +#endif + +#endif diff --git a/perfschema/include/trx0sys.ic b/perfschema/include/trx0sys.ic new file mode 100644 index 00000000000..820d31d0692 --- /dev/null +++ b/perfschema/include/trx0sys.ic @@ -0,0 +1,387 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0sys.ic +Transaction system + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0trx.h" +#include "data0type.h" +#ifndef UNIV_HOTBACKUP +# include "srv0srv.h" +# include "mtr0log.h" + +/* The typedef for rseg slot in the file copy */ +typedef byte trx_sysf_rseg_t; + +/* Rollback segment specification slot offsets */ +/*-------------------------------------------------------------*/ +#define TRX_SYS_RSEG_SPACE 0 /* space where the segment + header is placed; starting with + MySQL/InnoDB 5.1.7, this is + UNIV_UNDEFINED if the slot is unused */ +#define TRX_SYS_RSEG_PAGE_NO 4 /* page number where the segment + header is placed; this is FIL_NULL + if the slot is unused */ +/*-------------------------------------------------------------*/ +/* Size of a rollback segment specification slot */ +#define TRX_SYS_RSEG_SLOT_SIZE 8 + +/*****************************************************************//** +Writes the value of max_trx_id to the file based trx system header. */ +UNIV_INTERN +void +trx_sys_flush_max_trx_id(void); +/*==========================*/ + +/***************************************************************//** +Checks if a page address is the trx sys header page. +@return TRUE if trx sys header page */ +UNIV_INLINE +ibool +trx_sys_hdr_page( +/*=============*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + if ((space == TRX_SYS_SPACE) && (page_no == TRX_SYS_PAGE_NO)) { + + return(TRUE); + } + + return(FALSE); +} + +/***************************************************************//** +Gets the pointer in the nth slot of the rseg array. +@return pointer to rseg object, NULL if slot not in use */ +UNIV_INLINE +trx_rseg_t* +trx_sys_get_nth_rseg( +/*=================*/ + trx_sys_t* sys, /*!< in: trx system */ + ulint n) /*!< in: index of slot */ +{ + ut_ad(mutex_own(&(kernel_mutex))); + ut_ad(n < TRX_SYS_N_RSEGS); + + return(sys->rseg_array[n]); +} + +/***************************************************************//** +Sets the pointer in the nth slot of the rseg array. */ +UNIV_INLINE +void +trx_sys_set_nth_rseg( +/*=================*/ + trx_sys_t* sys, /*!< in: trx system */ + ulint n, /*!< in: index of slot */ + trx_rseg_t* rseg) /*!< in: pointer to rseg object, NULL if slot + not in use */ +{ + ut_ad(n < TRX_SYS_N_RSEGS); + + sys->rseg_array[n] = rseg; +} + +/**********************************************************************//** +Gets a pointer to the transaction system header and x-latches its page. +@return pointer to system header, page x-latched. */ +UNIV_INLINE +trx_sysf_t* +trx_sysf_get( +/*=========*/ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block; + trx_sysf_t* header; + + ut_ad(mtr); + + block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, + RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); + + header = TRX_SYS + buf_block_get_frame(block); + + return(header); +} + +/*****************************************************************//** +Gets the space of the nth rollback segment slot in the trx system +file copy. +@return space id */ +UNIV_INLINE +ulint +trx_sysf_rseg_get_space( +/*====================*/ + trx_sysf_t* sys_header, /*!< in: trx sys header */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mutex_own(&(kernel_mutex))); + ut_ad(sys_header); + ut_ad(i < TRX_SYS_N_RSEGS); + + return(mtr_read_ulint(sys_header + TRX_SYS_RSEGS + + i * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_SPACE, MLOG_4BYTES, mtr)); +} + +/*****************************************************************//** +Gets the page number of the nth rollback segment slot in the trx system +header. +@return page number, FIL_NULL if slot unused */ +UNIV_INLINE +ulint +trx_sysf_rseg_get_page_no( +/*======================*/ + trx_sysf_t* sys_header, /*!< in: trx system header */ + ulint i, /*!< in: slot index == rseg id */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(sys_header); + ut_ad(mutex_own(&(kernel_mutex))); + ut_ad(i < TRX_SYS_N_RSEGS); + + return(mtr_read_ulint(sys_header + TRX_SYS_RSEGS + + i * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_PAGE_NO, MLOG_4BYTES, mtr)); +} + +/*****************************************************************//** +Sets the space id of the nth rollback segment slot in the trx system +file copy. */ +UNIV_INLINE +void +trx_sysf_rseg_set_space( +/*====================*/ + trx_sysf_t* sys_header, /*!< in: trx sys file copy */ + ulint i, /*!< in: slot index == rseg id */ + ulint space, /*!< in: space id */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mutex_own(&(kernel_mutex))); + ut_ad(sys_header); + ut_ad(i < TRX_SYS_N_RSEGS); + + mlog_write_ulint(sys_header + TRX_SYS_RSEGS + + i * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_SPACE, + space, + MLOG_4BYTES, mtr); +} + +/*****************************************************************//** +Sets the page number of the nth rollback segment slot in the trx system +header. */ +UNIV_INLINE +void +trx_sysf_rseg_set_page_no( +/*======================*/ + trx_sysf_t* sys_header, /*!< in: trx sys header */ + ulint i, /*!< in: slot index == rseg id */ + ulint page_no, /*!< in: page number, FIL_NULL if the + slot is reset to unused */ + mtr_t* mtr) /*!< in: mtr */ +{ + ut_ad(mutex_own(&(kernel_mutex))); + ut_ad(sys_header); + ut_ad(i < TRX_SYS_N_RSEGS); + + mlog_write_ulint(sys_header + TRX_SYS_RSEGS + + i * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_PAGE_NO, + page_no, + MLOG_4BYTES, mtr); +} +#endif /* !UNIV_HOTBACKUP */ + +/*****************************************************************//** +Writes a trx id to an index page. In case that the id size changes in +some future version, this function should be used instead of +mach_write_... */ +UNIV_INLINE +void +trx_write_trx_id( +/*=============*/ + byte* ptr, /*!< in: pointer to memory where written */ + trx_id_t id) /*!< in: id */ +{ +#if DATA_TRX_ID_LEN != 6 +# error "DATA_TRX_ID_LEN != 6" +#endif + mach_write_to_6(ptr, id); +} + +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Reads a trx id from an index page. In case that the id size changes in +some future version, this function should be used instead of +mach_read_... +@return id */ +UNIV_INLINE +trx_id_t +trx_read_trx_id( +/*============*/ + const byte* ptr) /*!< in: pointer to memory from where to read */ +{ +#if DATA_TRX_ID_LEN != 6 +# error "DATA_TRX_ID_LEN != 6" +#endif + return(mach_read_from_6(ptr)); +} + +/****************************************************************//** +Looks for the trx handle with the given id in trx_list. +@return the trx handle or NULL if not found */ +UNIV_INLINE +trx_t* +trx_get_on_id( +/*==========*/ + trx_id_t trx_id) /*!< in: trx id to search for */ +{ + trx_t* trx; + + ut_ad(mutex_own(&(kernel_mutex))); + + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx != NULL) { + if (0 == ut_dulint_cmp(trx_id, trx->id)) { + + return(trx); + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + return(NULL); +} + +/****************************************************************//** +Returns the minumum trx id in trx list. This is the smallest id for which +the trx can possibly be active. (But, you must look at the trx->conc_state to +find out if the minimum trx id transaction itself is active, or already +committed.) +@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ +UNIV_INLINE +trx_id_t +trx_list_get_min_trx_id(void) +/*=========================*/ +{ + trx_t* trx; + + ut_ad(mutex_own(&(kernel_mutex))); + + trx = UT_LIST_GET_LAST(trx_sys->trx_list); + + if (trx == NULL) { + + return(trx_sys->max_trx_id); + } + + return(trx->id); +} + +/****************************************************************//** +Checks if a transaction with the given id is active. +@return TRUE if active */ +UNIV_INLINE +ibool +trx_is_active( +/*==========*/ + trx_id_t trx_id) /*!< in: trx id of the transaction */ +{ + trx_t* trx; + + ut_ad(mutex_own(&(kernel_mutex))); + + if (ut_dulint_cmp(trx_id, trx_list_get_min_trx_id()) < 0) { + + return(FALSE); + } + + if (ut_dulint_cmp(trx_id, trx_sys->max_trx_id) >= 0) { + + /* There must be corruption: we return TRUE because this + function is only called by lock_clust_rec_some_has_impl() + and row_vers_impl_x_locked_off_kernel() and they have + diagnostic prints in this case */ + + return(TRUE); + } + + trx = trx_get_on_id(trx_id); + if (trx && (trx->conc_state == TRX_ACTIVE + || trx->conc_state == TRX_PREPARED)) { + + return(TRUE); + } + + return(FALSE); +} + +/*****************************************************************//** +Allocates a new transaction id. +@return new, allocated trx id */ +UNIV_INLINE +trx_id_t +trx_sys_get_new_trx_id(void) +/*========================*/ +{ + trx_id_t id; + + ut_ad(mutex_own(&kernel_mutex)); + + /* VERY important: after the database is started, max_trx_id value is + divisible by TRX_SYS_TRX_ID_WRITE_MARGIN, and the following if + will evaluate to TRUE when this function is first time called, + and the value for trx id will be written to disk-based header! + Thus trx id values will not overlap when the database is + repeatedly started! */ + + if (ut_dulint_get_low(trx_sys->max_trx_id) + % TRX_SYS_TRX_ID_WRITE_MARGIN == 0) { + + trx_sys_flush_max_trx_id(); + } + + id = trx_sys->max_trx_id; + + UT_DULINT_INC(trx_sys->max_trx_id); + + return(id); +} + +/*****************************************************************//** +Allocates a new transaction number. +@return new, allocated trx number */ +UNIV_INLINE +trx_id_t +trx_sys_get_new_trx_no(void) +/*========================*/ +{ + ut_ad(mutex_own(&kernel_mutex)); + + return(trx_sys_get_new_trx_id()); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0trx.h b/perfschema/include/trx0trx.h new file mode 100644 index 00000000000..480f265a138 --- /dev/null +++ b/perfschema/include/trx0trx.h @@ -0,0 +1,817 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0trx.h +The transaction + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0trx_h +#define trx0trx_h + +#include "univ.i" +#include "trx0types.h" +#include "dict0types.h" +#ifndef UNIV_HOTBACKUP +#include "lock0types.h" +#include "usr0types.h" +#include "que0types.h" +#include "mem0mem.h" +#include "read0types.h" +#include "trx0xa.h" +#include "ut0vec.h" + +/** Dummy session used currently in MySQL interface */ +extern sess_t* trx_dummy_sess; + +/** Number of transactions currently allocated for MySQL: protected by +the kernel mutex */ +extern ulint trx_n_mysql_transactions; + +/********************************************************************//** +Releases the search latch if trx has reserved it. */ +UNIV_INTERN +void +trx_search_latch_release_if_reserved( +/*=================================*/ + trx_t* trx); /*!< in: transaction */ +/******************************************************************//** +Set detailed error message for the transaction. */ +UNIV_INTERN +void +trx_set_detailed_error( +/*===================*/ + trx_t* trx, /*!< in: transaction struct */ + const char* msg); /*!< in: detailed error message */ +/*************************************************************//** +Set detailed error message for the transaction from a file. Note that the +file is rewinded before reading from it. */ +UNIV_INTERN +void +trx_set_detailed_error_from_file( +/*=============================*/ + trx_t* trx, /*!< in: transaction struct */ + FILE* file); /*!< in: file to read message from */ +/****************************************************************//** +Retrieves the error_info field from a trx. +@return the error info */ +UNIV_INLINE +const dict_index_t* +trx_get_error_info( +/*===============*/ + const trx_t* trx); /*!< in: trx object */ +/****************************************************************//** +Creates and initializes a transaction object. +@return own: the transaction */ +UNIV_INTERN +trx_t* +trx_create( +/*=======*/ + sess_t* sess) /*!< in: session */ + __attribute__((nonnull)); +/********************************************************************//** +Creates a transaction object for MySQL. +@return own: transaction object */ +UNIV_INTERN +trx_t* +trx_allocate_for_mysql(void); +/*========================*/ +/********************************************************************//** +Creates a transaction object for background operations by the master thread. +@return own: transaction object */ +UNIV_INTERN +trx_t* +trx_allocate_for_background(void); +/*=============================*/ +/********************************************************************//** +Frees a transaction object. */ +UNIV_INTERN +void +trx_free( +/*=====*/ + trx_t* trx); /*!< in, own: trx object */ +/********************************************************************//** +Frees a transaction object for MySQL. */ +UNIV_INTERN +void +trx_free_for_mysql( +/*===============*/ + trx_t* trx); /*!< in, own: trx object */ +/********************************************************************//** +Frees a transaction object of a background operation of the master thread. */ +UNIV_INTERN +void +trx_free_for_background( +/*====================*/ + trx_t* trx); /*!< in, own: trx object */ +/****************************************************************//** +Creates trx objects for transactions and initializes the trx list of +trx_sys at database start. Rollback segment and undo log lists must +already exist when this function is called, because the lists of +transactions to be rolled back or cleaned up are built based on the +undo log lists. */ +UNIV_INTERN +void +trx_lists_init_at_db_start(void); +/*============================*/ +/****************************************************************//** +Starts a new transaction. +@return TRUE if success, FALSE if the rollback segment could not +support this many transactions */ +UNIV_INTERN +ibool +trx_start( +/*======*/ + trx_t* trx, /*!< in: transaction */ + ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED + is passed, the system chooses the rollback segment + automatically in a round-robin fashion */ +/****************************************************************//** +Starts a new transaction. +@return TRUE */ +UNIV_INTERN +ibool +trx_start_low( +/*==========*/ + trx_t* trx, /*!< in: transaction */ + ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED + is passed, the system chooses the rollback segment + automatically in a round-robin fashion */ +/*************************************************************//** +Starts the transaction if it is not yet started. */ +UNIV_INLINE +void +trx_start_if_not_started( +/*=====================*/ + trx_t* trx); /*!< in: transaction */ +/*************************************************************//** +Starts the transaction if it is not yet started. Assumes we have reserved +the kernel mutex! */ +UNIV_INLINE +void +trx_start_if_not_started_low( +/*=========================*/ + trx_t* trx); /*!< in: transaction */ +/****************************************************************//** +Commits a transaction. */ +UNIV_INTERN +void +trx_commit_off_kernel( +/*==================*/ + trx_t* trx); /*!< in: transaction */ +/****************************************************************//** +Cleans up a transaction at database startup. The cleanup is needed if +the transaction already got to the middle of a commit when the database +crashed, and we cannot roll it back. */ +UNIV_INTERN +void +trx_cleanup_at_db_startup( +/*======================*/ + trx_t* trx); /*!< in: transaction */ +/**********************************************************************//** +Does the transaction commit for MySQL. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +trx_commit_for_mysql( +/*=================*/ + trx_t* trx); /*!< in: trx handle */ +/**********************************************************************//** +Does the transaction prepare for MySQL. +@return 0 or error number */ +UNIV_INTERN +ulint +trx_prepare_for_mysql( +/*==================*/ + trx_t* trx); /*!< in: trx handle */ +/**********************************************************************//** +This function is used to find number of prepared transactions and +their transaction objects for a recovery. +@return number of prepared transactions */ +UNIV_INTERN +int +trx_recover_for_mysql( +/*==================*/ + XID* xid_list, /*!< in/out: prepared transactions */ + ulint len); /*!< in: number of slots in xid_list */ +/*******************************************************************//** +This function is used to find one X/Open XA distributed transaction +which is in the prepared state +@return trx or NULL */ +UNIV_INTERN +trx_t * +trx_get_trx_by_xid( +/*===============*/ + XID* xid); /*!< in: X/Open XA transaction identification */ +/**********************************************************************//** +If required, flushes the log to disk if we called trx_commit_for_mysql() +with trx->flush_log_later == TRUE. +@return 0 or error number */ +UNIV_INTERN +ulint +trx_commit_complete_for_mysql( +/*==========================*/ + trx_t* trx); /*!< in: trx handle */ +/**********************************************************************//** +Marks the latest SQL statement ended. */ +UNIV_INTERN +void +trx_mark_sql_stat_end( +/*==================*/ + trx_t* trx); /*!< in: trx handle */ +/********************************************************************//** +Assigns a read view for a consistent read query. All the consistent reads +within the same transaction will get the same read view, which is created +when this function is first called for a new started transaction. +@return consistent read view */ +UNIV_INTERN +read_view_t* +trx_assign_read_view( +/*=================*/ + trx_t* trx); /*!< in: active transaction */ +/***********************************************************//** +The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to +the TRX_QUE_RUNNING state and releases query threads which were +waiting for a lock in the wait_thrs list. */ +UNIV_INTERN +void +trx_end_lock_wait( +/*==============*/ + trx_t* trx); /*!< in: transaction */ +/****************************************************************//** +Sends a signal to a trx object. */ +UNIV_INTERN +void +trx_sig_send( +/*=========*/ + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender, /*!< in: TRX_SIG_SELF or + TRX_SIG_OTHER_SESS */ + que_thr_t* receiver_thr, /*!< in: query thread which wants the + reply, or NULL; if type is + TRX_SIG_END_WAIT, this must be NULL */ + trx_savept_t* savept, /*!< in: possible rollback savepoint, or + NULL */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if the parameter + is NULL, it is ignored */ +/****************************************************************//** +Send the reply message when a signal in the queue of the trx has +been handled. */ +UNIV_INTERN +void +trx_sig_reply( +/*==========*/ + trx_sig_t* sig, /*!< in: signal */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +/****************************************************************//** +Removes the signal object from a trx signal queue. */ +UNIV_INTERN +void +trx_sig_remove( +/*===========*/ + trx_t* trx, /*!< in: trx handle */ + trx_sig_t* sig); /*!< in, own: signal */ +/****************************************************************//** +Starts handling of a trx signal. */ +UNIV_INTERN +void +trx_sig_start_handle( +/*=================*/ + trx_t* trx, /*!< in: trx handle */ + que_thr_t** next_thr); /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +/****************************************************************//** +Ends signal handling. If the session is in the error state, and +trx->graph_before_signal_handling != NULL, returns control to the error +handling routine of the graph (currently only returns the control to the +graph root which then sends an error message to the client). */ +UNIV_INTERN +void +trx_end_signal_handling( +/*====================*/ + trx_t* trx); /*!< in: trx */ +/*********************************************************************//** +Creates a commit command node struct. +@return own: commit node struct */ +UNIV_INTERN +commit_node_t* +commit_node_create( +/*===============*/ + mem_heap_t* heap); /*!< in: mem heap where created */ +/***********************************************************//** +Performs an execution step for a commit type node in a query graph. +@return query thread to run next, or NULL */ +UNIV_INTERN +que_thr_t* +trx_commit_step( +/*============*/ + que_thr_t* thr); /*!< in: query thread */ + +/**********************************************************************//** +Prints info about a transaction to the given file. The caller must own the +kernel mutex. */ +UNIV_INTERN +void +trx_print( +/*======*/ + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ulint max_query_len); /*!< in: max query length to print, or 0 to + use the default max length */ + +/** Type of data dictionary operation */ +typedef enum trx_dict_op { + /** The transaction is not modifying the data dictionary. */ + TRX_DICT_OP_NONE = 0, + /** The transaction is creating a table or an index, or + dropping a table. The table must be dropped in crash + recovery. This and TRX_DICT_OP_NONE are the only possible + operation modes in crash recovery. */ + TRX_DICT_OP_TABLE = 1, + /** The transaction is creating or dropping an index in an + existing table. In crash recovery, the data dictionary + must be locked, but the table must not be dropped. */ + TRX_DICT_OP_INDEX = 2 +} trx_dict_op_t; + +/**********************************************************************//** +Determine if a transaction is a dictionary operation. +@return dictionary operation mode */ +UNIV_INLINE +enum trx_dict_op +trx_get_dict_operation( +/*===================*/ + const trx_t* trx) /*!< in: transaction */ + __attribute__((pure)); +/**********************************************************************//** +Flag a transaction a dictionary operation. */ +UNIV_INLINE +void +trx_set_dict_operation( +/*===================*/ + trx_t* trx, /*!< in/out: transaction */ + enum trx_dict_op op); /*!< in: operation, not + TRX_DICT_OP_NONE */ + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Determines if the currently running transaction has been interrupted. +@return TRUE if interrupted */ +UNIV_INTERN +ibool +trx_is_interrupted( +/*===============*/ + trx_t* trx); /*!< in: transaction */ +#else /* !UNIV_HOTBACKUP */ +#define trx_is_interrupted(trx) FALSE +#endif /* !UNIV_HOTBACKUP */ + +/*******************************************************************//** +Calculates the "weight" of a transaction. The weight of one transaction +is estimated as the number of altered rows + the number of locked rows. +@param t transaction +@return transaction weight */ +#define TRX_WEIGHT(t) \ + ut_dulint_add((t)->undo_no, UT_LIST_GET_LEN((t)->trx_locks)) + +/*******************************************************************//** +Compares the "weight" (or size) of two transactions. Transactions that +have edited non-transactional tables are considered heavier than ones +that have not. +@return <0, 0 or >0; similar to strcmp(3) */ +UNIV_INTERN +int +trx_weight_cmp( +/*===========*/ + const trx_t* a, /*!< in: the first transaction to be compared */ + const trx_t* b); /*!< in: the second transaction to be compared */ + +/*******************************************************************//** +Retrieves transacion's id, represented as unsigned long long. +@return transaction's id */ +UNIV_INLINE +ullint +trx_get_id( +/*=======*/ + const trx_t* trx); /*!< in: transaction */ + +/* Maximum length of a string that can be returned by +trx_get_que_state_str(). */ +#define TRX_QUE_STATE_STR_MAX_LEN 12 /* "ROLLING BACK" */ + +/*******************************************************************//** +Retrieves transaction's que state in a human readable string. The string +should not be free()'d or modified. +@return string in the data segment */ +UNIV_INLINE +const char* +trx_get_que_state_str( +/*==================*/ + const trx_t* trx); /*!< in: transaction */ + +/* Signal to a transaction */ +struct trx_sig_struct{ + unsigned type:3; /*!< signal type */ + unsigned sender:1; /*!< TRX_SIG_SELF or + TRX_SIG_OTHER_SESS */ + que_thr_t* receiver; /*!< non-NULL if the sender of the signal + wants reply after the operation induced + by the signal is completed */ + trx_savept_t savept; /*!< possible rollback savepoint */ + UT_LIST_NODE_T(trx_sig_t) + signals; /*!< queue of pending signals to the + transaction */ + UT_LIST_NODE_T(trx_sig_t) + reply_signals; /*!< list of signals for which the sender + transaction is waiting a reply */ +}; + +#define TRX_MAGIC_N 91118598 + +/* The transaction handle; every session has a trx object which is freed only +when the session is freed; in addition there may be session-less transactions +rolling back after a database recovery */ + +struct trx_struct{ + ulint magic_n; + + /* These fields are not protected by any mutex. */ + const char* op_info; /*!< English text describing the + current operation, or an empty + string */ + ulint conc_state; /*!< state of the trx from the point + of view of concurrency control: + TRX_ACTIVE, TRX_COMMITTED_IN_MEMORY, + ... */ + ulint isolation_level;/* TRX_ISO_REPEATABLE_READ, ... */ + ulint check_foreigns; /* normally TRUE, but if the user + wants to suppress foreign key checks, + (in table imports, for example) we + set this FALSE */ + ulint check_unique_secondary; + /* normally TRUE, but if the user + wants to speed up inserts by + suppressing unique key checks + for secondary indexes when we decide + if we can use the insert buffer for + them, we set this FALSE */ + ulint support_xa; /*!< normally we do the XA two-phase + commit steps, but by setting this to + FALSE, one can save CPU time and about + 150 bytes in the undo log size as then + we skip XA steps */ + ulint flush_log_later;/* In 2PC, we hold the + prepare_commit mutex across + both phases. In that case, we + defer flush of the logs to disk + until after we release the + mutex. */ + ulint must_flush_log_later;/* this flag is set to TRUE in + trx_commit_off_kernel() if + flush_log_later was TRUE, and there + were modifications by the transaction; + in that case we must flush the log + in trx_commit_complete_for_mysql() */ + ulint duplicates; /*!< TRX_DUP_IGNORE | TRX_DUP_REPLACE */ + ulint active_trans; /*!< 1 - if a transaction in MySQL + is active. 2 - if prepare_commit_mutex + was taken */ + ulint has_search_latch; + /* TRUE if this trx has latched the + search system latch in S-mode */ + ulint deadlock_mark; /*!< a mark field used in deadlock + checking algorithm. */ + trx_dict_op_t dict_operation; /**< @see enum trx_dict_op */ + + /* Fields protected by the srv_conc_mutex. */ + ulint declared_to_be_inside_innodb; + /* this is TRUE if we have declared + this transaction in + srv_conc_enter_innodb to be inside the + InnoDB engine */ + + /* Fields protected by dict_operation_lock. The very latch + it is used to track. */ + ulint dict_operation_lock_mode; + /*!< 0, RW_S_LATCH, or RW_X_LATCH: + the latch mode trx currently holds + on dict_operation_lock */ + + /* All the next fields are protected by the kernel mutex, except the + undo logs which are protected by undo_mutex */ + ulint is_purge; /*!< 0=user transaction, 1=purge */ + ulint is_recovered; /*!< 0=normal transaction, + 1=recovered, must be rolled back */ + ulint que_state; /*!< valid when conc_state + == TRX_ACTIVE: TRX_QUE_RUNNING, + TRX_QUE_LOCK_WAIT, ... */ + ulint handling_signals;/* this is TRUE as long as the trx + is handling signals */ + time_t start_time; /*!< time the trx object was created + or the state last time became + TRX_ACTIVE */ + trx_id_t id; /*!< transaction id */ + XID xid; /*!< X/Open XA transaction + identification to identify a + transaction branch */ + trx_id_t no; /*!< transaction serialization number == + max trx id when the transaction is + moved to COMMITTED_IN_MEMORY state */ + ib_uint64_t commit_lsn; /*!< lsn at the time of the commit */ + trx_id_t table_id; /*!< Table to drop iff dict_operation + is TRUE, or ut_dulint_zero. */ + /*------------------------------*/ + void* mysql_thd; /*!< MySQL thread handle corresponding + to this trx, or NULL */ + char** mysql_query_str;/* pointer to the field in mysqld_thd + which contains the pointer to the + current SQL query string */ + const char* mysql_log_file_name; + /* if MySQL binlog is used, this field + contains a pointer to the latest file + name; this is NULL if binlog is not + used */ + ib_int64_t mysql_log_offset;/* if MySQL binlog is used, this field + contains the end offset of the binlog + entry */ + os_thread_id_t mysql_thread_id;/* id of the MySQL thread associated + with this transaction object */ + ulint mysql_process_no;/* since in Linux, 'top' reports + process id's and not thread id's, we + store the process number too */ + /*------------------------------*/ + ulint n_mysql_tables_in_use; /* number of Innobase tables + used in the processing of the current + SQL statement in MySQL */ + ulint mysql_n_tables_locked; + /* how many tables the current SQL + statement uses, except those + in consistent read */ + ulint search_latch_timeout; + /* If we notice that someone is + waiting for our S-lock on the search + latch to be released, we wait in + row0sel.c for BTR_SEA_TIMEOUT new + searches until we try to keep + the search latch again over + calls from MySQL; this is intended + to reduce contention on the search + latch */ + /*------------------------------*/ + ulint n_tickets_to_enter_innodb; + /* this can be > 0 only when + declared_to_... is TRUE; when we come + to srv_conc_innodb_enter, if the value + here is > 0, we decrement this by 1 */ + /*------------------------------*/ + UT_LIST_NODE_T(trx_t) + trx_list; /*!< list of transactions */ + UT_LIST_NODE_T(trx_t) + mysql_trx_list; /*!< list of transactions created for + MySQL */ + /*------------------------------*/ + ulint error_state; /*!< 0 if no error, otherwise error + number; NOTE That ONLY the thread + doing the transaction is allowed to + set this field: this is NOT protected + by the kernel mutex */ + const dict_index_t*error_info; /*!< if the error number indicates a + duplicate key error, a pointer to + the problematic index is stored here */ + ulint error_key_num; /*!< if the index creation fails to a + duplicate key error, a mysql key + number of that index is stored here */ + sess_t* sess; /*!< session of the trx, NULL if none */ + que_t* graph; /*!< query currently run in the session, + or NULL if none; NOTE that the query + belongs to the session, and it can + survive over a transaction commit, if + it is a stored procedure with a COMMIT + WORK statement, for instance */ + ulint n_active_thrs; /*!< number of active query threads */ + que_t* graph_before_signal_handling; + /* value of graph when signal handling + for this trx started: this is used to + return control to the original query + graph for error processing */ + trx_sig_t sig; /*!< one signal object can be allocated + in this space, avoiding mem_alloc */ + UT_LIST_BASE_NODE_T(trx_sig_t) + signals; /*!< queue of processed or pending + signals to the trx */ + UT_LIST_BASE_NODE_T(trx_sig_t) + reply_signals; /*!< list of signals sent by the query + threads of this trx for which a thread + is waiting for a reply; if this trx is + killed, the reply requests in the list + must be canceled */ + /*------------------------------*/ + lock_t* wait_lock; /*!< if trx execution state is + TRX_QUE_LOCK_WAIT, this points to + the lock request, otherwise this is + NULL */ + ibool was_chosen_as_deadlock_victim; + /* when the transaction decides to wait + for a lock, it sets this to FALSE; + if another transaction chooses this + transaction as a victim in deadlock + resolution, it sets this to TRUE */ + time_t wait_started; /*!< lock wait started at this time */ + UT_LIST_BASE_NODE_T(que_thr_t) + wait_thrs; /*!< query threads belonging to this + trx that are in the QUE_THR_LOCK_WAIT + state */ + /*------------------------------*/ + mem_heap_t* lock_heap; /*!< memory heap for the locks of the + transaction */ + UT_LIST_BASE_NODE_T(lock_t) + trx_locks; /*!< locks reserved by the transaction */ + /*------------------------------*/ + mem_heap_t* global_read_view_heap; + /* memory heap for the global read + view */ + read_view_t* global_read_view; + /* consistent read view associated + to a transaction or NULL */ + read_view_t* read_view; /*!< consistent read view used in the + transaction or NULL, this read view + if defined can be normal read view + associated to a transaction (i.e. + same as global_read_view) or read view + associated to a cursor */ + /*------------------------------*/ + UT_LIST_BASE_NODE_T(trx_named_savept_t) + trx_savepoints; /*!< savepoints set with SAVEPOINT ..., + oldest first */ + /*------------------------------*/ + mutex_t undo_mutex; /*!< mutex protecting the fields in this + section (down to undo_no_arr), EXCEPT + last_sql_stat_start, which can be + accessed only when we know that there + cannot be any activity in the undo + logs! */ + undo_no_t undo_no; /*!< next undo log record number to + assign; since the undo log is + private for a transaction, this + is a simple ascending sequence + with no gaps; thus it represents + the number of modified/inserted + rows in a transaction */ + trx_savept_t last_sql_stat_start; + /* undo_no when the last sql statement + was started: in case of an error, trx + is rolled back down to this undo + number; see note at undo_mutex! */ + trx_rseg_t* rseg; /*!< rollback segment assigned to the + transaction, or NULL if not assigned + yet */ + trx_undo_t* insert_undo; /*!< pointer to the insert undo log, or + NULL if no inserts performed yet */ + trx_undo_t* update_undo; /*!< pointer to the update undo log, or + NULL if no update performed yet */ + undo_no_t roll_limit; /*!< least undo number to undo during + a rollback */ + ulint pages_undone; /*!< number of undo log pages undone + since the last undo log truncation */ + trx_undo_arr_t* undo_no_arr; /*!< array of undo numbers of undo log + records which are currently processed + by a rollback operation */ + /*------------------------------*/ + ulint n_autoinc_rows; /*!< no. of AUTO-INC rows required for + an SQL statement. This is useful for + multi-row INSERTs */ + ib_vector_t* autoinc_locks; /* AUTOINC locks held by this + transaction. Note that these are + also in the lock list trx_locks. This + vector needs to be freed explicitly + when the trx_t instance is desrtoyed */ + /*------------------------------*/ + char detailed_error[256]; /*!< detailed error message for last + error, or empty. */ +}; + +#define TRX_MAX_N_THREADS 32 /* maximum number of + concurrent threads running a + single operation of a + transaction, e.g., a parallel + query */ +/* Transaction concurrency states (trx->conc_state) */ +#define TRX_NOT_STARTED 0 +#define TRX_ACTIVE 1 +#define TRX_COMMITTED_IN_MEMORY 2 +#define TRX_PREPARED 3 /* Support for 2PC/XA */ + +/* Transaction execution states when trx->conc_state == TRX_ACTIVE */ +#define TRX_QUE_RUNNING 0 /* transaction is running */ +#define TRX_QUE_LOCK_WAIT 1 /* transaction is waiting for a lock */ +#define TRX_QUE_ROLLING_BACK 2 /* transaction is rolling back */ +#define TRX_QUE_COMMITTING 3 /* transaction is committing */ + +/* Transaction isolation levels (trx->isolation_level) */ +#define TRX_ISO_READ_UNCOMMITTED 0 /* dirty read: non-locking + SELECTs are performed so that + we do not look at a possible + earlier version of a record; + thus they are not 'consistent' + reads under this isolation + level; otherwise like level + 2 */ + +#define TRX_ISO_READ_COMMITTED 1 /* somewhat Oracle-like + isolation, except that in + range UPDATE and DELETE we + must block phantom rows + with next-key locks; + SELECT ... FOR UPDATE and ... + LOCK IN SHARE MODE only lock + the index records, NOT the + gaps before them, and thus + allow free inserting; + each consistent read reads its + own snapshot */ + +#define TRX_ISO_REPEATABLE_READ 2 /* this is the default; + all consistent reads in the + same trx read the same + snapshot; + full next-key locking used + in locking reads to block + insertions into gaps */ + +#define TRX_ISO_SERIALIZABLE 3 /* all plain SELECTs are + converted to LOCK IN SHARE + MODE reads */ + +/* Treatment of duplicate values (trx->duplicates; for example, in inserts). +Multiple flags can be combined with bitwise OR. */ +#define TRX_DUP_IGNORE 1 /* duplicate rows are to be updated */ +#define TRX_DUP_REPLACE 2 /* duplicate rows are to be replaced */ + + +/* Types of a trx signal */ +#define TRX_SIG_NO_SIGNAL 0 +#define TRX_SIG_TOTAL_ROLLBACK 1 +#define TRX_SIG_ROLLBACK_TO_SAVEPT 2 +#define TRX_SIG_COMMIT 3 +#define TRX_SIG_ERROR_OCCURRED 4 +#define TRX_SIG_BREAK_EXECUTION 5 + +/* Sender types of a signal */ +#define TRX_SIG_SELF 0 /* sent by the session itself, or + by an error occurring within this + session */ +#define TRX_SIG_OTHER_SESS 1 /* sent by another session (which + must hold rights to this) */ + +/** Commit node states */ +enum commit_node_state { + COMMIT_NODE_SEND = 1, /*!< about to send a commit signal to + the transaction */ + COMMIT_NODE_WAIT /*!< commit signal sent to the transaction, + waiting for completion */ +}; + +/** Commit command node in a query graph */ +struct commit_node_struct{ + que_common_t common; /*!< node type: QUE_NODE_COMMIT */ + enum commit_node_state + state; /*!< node execution state */ +}; + + + +#ifndef UNIV_NONINL +#include "trx0trx.ic" +#endif +#endif /* !UNIV_HOTBACKUP */ + +#endif diff --git a/perfschema/include/trx0trx.ic b/perfschema/include/trx0trx.ic new file mode 100644 index 00000000000..7332eeece85 --- /dev/null +++ b/perfschema/include/trx0trx.ic @@ -0,0 +1,164 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0trx.ic +The transaction + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +/*************************************************************//** +Starts the transaction if it is not yet started. */ +UNIV_INLINE +void +trx_start_if_not_started( +/*=====================*/ + trx_t* trx) /*!< in: transaction */ +{ + ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); + + if (trx->conc_state == TRX_NOT_STARTED) { + + trx_start(trx, ULINT_UNDEFINED); + } +} + +/*************************************************************//** +Starts the transaction if it is not yet started. Assumes we have reserved +the kernel mutex! */ +UNIV_INLINE +void +trx_start_if_not_started_low( +/*=========================*/ + trx_t* trx) /*!< in: transaction */ +{ + ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); + + if (trx->conc_state == TRX_NOT_STARTED) { + + trx_start_low(trx, ULINT_UNDEFINED); + } +} + +/****************************************************************//** +Retrieves the error_info field from a trx. +@return the error info */ +UNIV_INLINE +const dict_index_t* +trx_get_error_info( +/*===============*/ + const trx_t* trx) /*!< in: trx object */ +{ + return(trx->error_info); +} + +/*******************************************************************//** +Retrieves transacion's id, represented as unsigned long long. +@return transaction's id */ +UNIV_INLINE +ullint +trx_get_id( +/*=======*/ + const trx_t* trx) /*!< in: transaction */ +{ + return((ullint)ut_conv_dulint_to_longlong(trx->id)); +} + +/*******************************************************************//** +Retrieves transaction's que state in a human readable string. The string +should not be free()'d or modified. +@return string in the data segment */ +UNIV_INLINE +const char* +trx_get_que_state_str( +/*==================*/ + const trx_t* trx) /*!< in: transaction */ +{ + /* be sure to adjust TRX_QUE_STATE_STR_MAX_LEN if you change this */ + switch (trx->que_state) { + case TRX_QUE_RUNNING: + return("RUNNING"); + case TRX_QUE_LOCK_WAIT: + return("LOCK WAIT"); + case TRX_QUE_ROLLING_BACK: + return("ROLLING BACK"); + case TRX_QUE_COMMITTING: + return("COMMITTING"); + default: + return("UNKNOWN"); + } +} + +/**********************************************************************//** +Determine if a transaction is a dictionary operation. +@return dictionary operation mode */ +UNIV_INLINE +enum trx_dict_op +trx_get_dict_operation( +/*===================*/ + const trx_t* trx) /*!< in: transaction */ +{ + enum trx_dict_op op = (enum trx_dict_op) trx->dict_operation; + +#ifdef UNIV_DEBUG + switch (op) { + case TRX_DICT_OP_NONE: + case TRX_DICT_OP_TABLE: + case TRX_DICT_OP_INDEX: + return(op); + } + ut_error; +#endif /* UNIV_DEBUG */ + return((enum trx_dict_op) UNIV_EXPECT(op, TRX_DICT_OP_NONE)); +} +/**********************************************************************//** +Flag a transaction a dictionary operation. */ +UNIV_INLINE +void +trx_set_dict_operation( +/*===================*/ + trx_t* trx, /*!< in/out: transaction */ + enum trx_dict_op op) /*!< in: operation, not + TRX_DICT_OP_NONE */ +{ +#ifdef UNIV_DEBUG + enum trx_dict_op old_op = trx_get_dict_operation(trx); + + switch (op) { + case TRX_DICT_OP_NONE: + ut_error; + break; + case TRX_DICT_OP_TABLE: + switch (old_op) { + case TRX_DICT_OP_NONE: + case TRX_DICT_OP_INDEX: + case TRX_DICT_OP_TABLE: + goto ok; + } + ut_error; + break; + case TRX_DICT_OP_INDEX: + ut_ad(old_op == TRX_DICT_OP_NONE); + break; + } +ok: +#endif /* UNIV_DEBUG */ + + trx->dict_operation = op; +} diff --git a/perfschema/include/trx0types.h b/perfschema/include/trx0types.h new file mode 100644 index 00000000000..40a7256cbfd --- /dev/null +++ b/perfschema/include/trx0types.h @@ -0,0 +1,115 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0types.h +Transaction system global type definitions + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0types_h +#define trx0types_h + +#include "ut0byte.h" + +/** prepare trx_t::id for being printed via printf(3) */ +#define TRX_ID_PREP_PRINTF(id) (ullint) ut_conv_dulint_to_longlong(id) + +/** printf(3) format used for printing TRX_ID_PRINTF_PREP() */ +#define TRX_ID_FMT "%llX" + +/** maximum length that a formatted trx_t::id could take, not including +the terminating NUL character. */ +#define TRX_ID_MAX_LEN 17 + +/** Memory objects */ +/* @{ */ +/** Transaction */ +typedef struct trx_struct trx_t; +/** Transaction system */ +typedef struct trx_sys_struct trx_sys_t; +/** Doublewrite information */ +typedef struct trx_doublewrite_struct trx_doublewrite_t; +/** Signal */ +typedef struct trx_sig_struct trx_sig_t; +/** Rollback segment */ +typedef struct trx_rseg_struct trx_rseg_t; +/** Transaction undo log */ +typedef struct trx_undo_struct trx_undo_t; +/** Array of undo numbers of undo records being rolled back or purged */ +typedef struct trx_undo_arr_struct trx_undo_arr_t; +/** A cell of trx_undo_arr_t */ +typedef struct trx_undo_inf_struct trx_undo_inf_t; +/** The control structure used in the purge operation */ +typedef struct trx_purge_struct trx_purge_t; +/** Rollback command node in a query graph */ +typedef struct roll_node_struct roll_node_t; +/** Commit command node in a query graph */ +typedef struct commit_node_struct commit_node_t; +/** SAVEPOINT command node in a query graph */ +typedef struct trx_named_savept_struct trx_named_savept_t; +/* @} */ + +/** Rollback contexts */ +enum trx_rb_ctx { + RB_NONE = 0, /*!< no rollback */ + RB_NORMAL, /*!< normal rollback */ + RB_RECOVERY_PURGE_REC, + /*!< rolling back an incomplete transaction, + in crash recovery, rolling back an + INSERT that was performed by updating a + delete-marked record; if the delete-marked record + no longer exists in an active read view, it will + be purged */ + RB_RECOVERY /*!< rolling back an incomplete transaction, + in crash recovery */ +}; + +/** Transaction identifier (DB_TRX_ID, DATA_TRX_ID) */ +typedef dulint trx_id_t; +/** Rollback pointer (DB_ROLL_PTR, DATA_ROLL_PTR) */ +typedef dulint roll_ptr_t; +/** Undo number */ +typedef dulint undo_no_t; + +/** Transaction savepoint */ +typedef struct trx_savept_struct trx_savept_t; +/** Transaction savepoint */ +struct trx_savept_struct{ + undo_no_t least_undo_no; /*!< least undo number to undo */ +}; + +/** File objects */ +/* @{ */ +/** Transaction system header */ +typedef byte trx_sysf_t; +/** Rollback segment header */ +typedef byte trx_rsegf_t; +/** Undo segment header */ +typedef byte trx_usegf_t; +/** Undo log header */ +typedef byte trx_ulogf_t; +/** Undo log page header */ +typedef byte trx_upagef_t; + +/** Undo log record */ +typedef byte trx_undo_rec_t; +/* @} */ + +#endif diff --git a/perfschema/include/trx0undo.h b/perfschema/include/trx0undo.h new file mode 100644 index 00000000000..a084f2394b5 --- /dev/null +++ b/perfschema/include/trx0undo.h @@ -0,0 +1,551 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0undo.h +Transaction undo log + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#ifndef trx0undo_h +#define trx0undo_h + +#include "univ.i" +#include "trx0types.h" +#include "mtr0mtr.h" +#include "trx0sys.h" +#include "page0types.h" +#include "trx0xa.h" + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Builds a roll pointer. +@return roll pointer */ +UNIV_INLINE +roll_ptr_t +trx_undo_build_roll_ptr( +/*====================*/ + ibool is_insert, /*!< in: TRUE if insert undo log */ + ulint rseg_id, /*!< in: rollback segment id */ + ulint page_no, /*!< in: page number */ + ulint offset); /*!< in: offset of the undo entry within page */ +/***********************************************************************//** +Decodes a roll pointer. */ +UNIV_INLINE +void +trx_undo_decode_roll_ptr( +/*=====================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer */ + ibool* is_insert, /*!< out: TRUE if insert undo log */ + ulint* rseg_id, /*!< out: rollback segment id */ + ulint* page_no, /*!< out: page number */ + ulint* offset); /*!< out: offset of the undo + entry within page */ +/***********************************************************************//** +Returns TRUE if the roll pointer is of the insert type. +@return TRUE if insert undo log */ +UNIV_INLINE +ibool +trx_undo_roll_ptr_is_insert( +/*========================*/ + roll_ptr_t roll_ptr); /*!< in: roll pointer */ +#endif /* !UNIV_HOTBACKUP */ +/*****************************************************************//** +Writes a roll ptr to an index page. In case that the size changes in +some future version, this function should be used instead of +mach_write_... */ +UNIV_INLINE +void +trx_write_roll_ptr( +/*===============*/ + byte* ptr, /*!< in: pointer to memory where + written */ + roll_ptr_t roll_ptr); /*!< in: roll ptr */ +/*****************************************************************//** +Reads a roll ptr from an index page. In case that the roll ptr size +changes in some future version, this function should be used instead of +mach_read_... +@return roll ptr */ +UNIV_INLINE +roll_ptr_t +trx_read_roll_ptr( +/*==============*/ + const byte* ptr); /*!< in: pointer to memory from where to read */ +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Gets an undo log page and x-latches it. +@return pointer to page x-latched */ +UNIV_INLINE +page_t* +trx_undo_page_get( +/*==============*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Gets an undo log page and s-latches it. +@return pointer to page s-latched */ +UNIV_INLINE +page_t* +trx_undo_page_get_s_latched( +/*========================*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Returns the previous undo record on the page in the specified log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_prev_rec( +/*=======================*/ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ +/******************************************************************//** +Returns the next undo log record on the page in the specified log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_next_rec( +/*=======================*/ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ +/******************************************************************//** +Returns the last undo record on the page in the specified undo log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_last_rec( +/*=======================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset); /*!< in: undo log header offset on page */ +/******************************************************************//** +Returns the first undo record on the page in the specified undo log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_first_rec( +/*========================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header offset on page */ +/***********************************************************************//** +Gets the previous record in an undo log. +@return undo log record, the page s-latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_prev_rec( +/*==================*/ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr); /*!< in: mtr */ +/***********************************************************************//** +Gets the next record in an undo log. +@return undo log record, the page s-latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_next_rec( +/*==================*/ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr); /*!< in: mtr */ +/***********************************************************************//** +Gets the first record in an undo log. +@return undo log record, the page latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_first_rec( +/*===================*/ + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr); /*!< in: mtr */ +/********************************************************************//** +Tries to add a page to the undo log segment where the undo log is placed. +@return page number if success, else FIL_NULL */ +UNIV_INTERN +ulint +trx_undo_add_page( +/*==============*/ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory object */ + mtr_t* mtr); /*!< in: mtr which does not have a latch to any + undo log page; the caller must have reserved + the rollback segment mutex */ +/***********************************************************************//** +Truncates an undo log from the end. This function is used during a rollback +to free space from an undo log. */ +UNIV_INTERN +void +trx_undo_truncate_end( +/*==================*/ + trx_t* trx, /*!< in: transaction whose undo log it is */ + trx_undo_t* undo, /*!< in: undo log */ + undo_no_t limit); /*!< in: all undo records with undo number + >= this value should be truncated */ +/***********************************************************************//** +Truncates an undo log from the start. This function is used during a purge +operation. */ +UNIV_INTERN +void +trx_undo_truncate_start( +/*====================*/ + trx_rseg_t* rseg, /*!< in: rollback segment */ + ulint space, /*!< in: space id of the log */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset on the page */ + undo_no_t limit); /*!< in: all undo pages with + undo numbers < this value + should be truncated; NOTE that + the function only frees whole + pages; the header page is not + freed, but emptied, if all the + records there are < limit */ +/********************************************************************//** +Initializes the undo log lists for a rollback segment memory copy. +This function is only called when the database is started or a new +rollback segment created. +@return the combined size of undo log segments in pages */ +UNIV_INTERN +ulint +trx_undo_lists_init( +/*================*/ + trx_rseg_t* rseg); /*!< in: rollback segment memory object */ +/**********************************************************************//** +Assigns an undo log for a transaction. A new undo log is created or a cached +undo log reused. +@return DB_SUCCESS if undo log assign successful, possible error codes +are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE +DB_OUT_OF_MEMORY */ +UNIV_INTERN +ulint +trx_undo_assign_undo( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + ulint type); /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ +/******************************************************************//** +Sets the state of the undo log segment at a transaction finish. +@return undo log segment header page, x-latched */ +UNIV_INTERN +page_t* +trx_undo_set_state_at_finish( +/*=========================*/ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Sets the state of the undo log segment at a transaction prepare. +@return undo log segment header page, x-latched */ +UNIV_INTERN +page_t* +trx_undo_set_state_at_prepare( +/*==========================*/ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr); /*!< in: mtr */ + +/**********************************************************************//** +Adds the update undo log header as the first in the history list, and +frees the memory object, or puts it to the list of cached update undo log +segments. */ +UNIV_INTERN +void +trx_undo_update_cleanup( +/*====================*/ + trx_t* trx, /*!< in: trx owning the update undo log */ + page_t* undo_page, /*!< in: update undo log header page, + x-latched */ + mtr_t* mtr); /*!< in: mtr */ +/******************************************************************//** +Frees or caches an insert undo log after a transaction commit or rollback. +Knowledge of inserts is not needed after a commit or rollback, therefore +the data can be discarded. */ +UNIV_INTERN +void +trx_undo_insert_cleanup( +/*====================*/ + trx_t* trx); /*!< in: transaction handle */ +#endif /* !UNIV_HOTBACKUP */ +/***********************************************************//** +Parses the redo log entry of an undo log page initialization. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_page_init( +/*=====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/***********************************************************//** +Parses the redo log entry of an undo log page header create or reuse. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_page_header( +/*=======================*/ + ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/***********************************************************//** +Parses the redo log entry of an undo log page header discard. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_discard_latest( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr); /*!< in: mtr or NULL */ +/************************************************************************ +Frees an undo log memory copy. */ +UNIV_INTERN +void +trx_undo_mem_free( +/*==============*/ + trx_undo_t* undo); /* in: the undo object to be freed */ + +/* Types of an undo log segment */ +#define TRX_UNDO_INSERT 1 /* contains undo entries for inserts */ +#define TRX_UNDO_UPDATE 2 /* contains undo entries for updates + and delete markings: in short, + modifys (the name 'UPDATE' is a + historical relic) */ +/* States of an undo log segment */ +#define TRX_UNDO_ACTIVE 1 /* contains an undo log of an active + transaction */ +#define TRX_UNDO_CACHED 2 /* cached for quick reuse */ +#define TRX_UNDO_TO_FREE 3 /* insert undo segment can be freed */ +#define TRX_UNDO_TO_PURGE 4 /* update undo segment will not be + reused: it can be freed in purge when + all undo data in it is removed */ +#define TRX_UNDO_PREPARED 5 /* contains an undo log of an + prepared transaction */ + +#ifndef UNIV_HOTBACKUP +/** Transaction undo log memory object; this is protected by the undo_mutex +in the corresponding transaction object */ + +struct trx_undo_struct{ + /*-----------------------------*/ + ulint id; /*!< undo log slot number within the + rollback segment */ + ulint type; /*!< TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + ulint state; /*!< state of the corresponding undo log + segment */ + ibool del_marks; /*!< relevant only in an update undo log: + this is TRUE if the transaction may + have delete marked records, because of + a delete of a row or an update of an + indexed field; purge is then + necessary; also TRUE if the transaction + has updated an externally stored + field */ + trx_id_t trx_id; /*!< id of the trx assigned to the undo + log */ + XID xid; /*!< X/Open XA transaction + identification */ + ibool dict_operation; /*!< TRUE if a dict operation trx */ + dulint table_id; /*!< if a dict operation, then the table + id */ + trx_rseg_t* rseg; /*!< rseg where the undo log belongs */ + /*-----------------------------*/ + ulint space; /*!< space id where the undo log + placed */ + ulint zip_size; /*!< compressed page size of space + in bytes, or 0 for uncompressed */ + ulint hdr_page_no; /*!< page number of the header page in + the undo log */ + ulint hdr_offset; /*!< header offset of the undo log on the + page */ + ulint last_page_no; /*!< page number of the last page in the + undo log; this may differ from + top_page_no during a rollback */ + ulint size; /*!< current size in pages */ + /*-----------------------------*/ + ulint empty; /*!< TRUE if the stack of undo log + records is currently empty */ + ulint top_page_no; /*!< page number where the latest undo + log record was catenated; during + rollback the page from which the latest + undo record was chosen */ + ulint top_offset; /*!< offset of the latest undo record, + i.e., the topmost element in the undo + log if we think of it as a stack */ + undo_no_t top_undo_no; /*!< undo number of the latest record */ + buf_block_t* guess_block; /*!< guess for the buffer block where + the top page might reside */ + /*-----------------------------*/ + UT_LIST_NODE_T(trx_undo_t) undo_list; + /*!< undo log objects in the rollback + segment are chained into lists */ +}; +#endif /* !UNIV_HOTBACKUP */ + +/** The offset of the undo log page header on pages of the undo log */ +#define TRX_UNDO_PAGE_HDR FSEG_PAGE_DATA +/*-------------------------------------------------------------*/ +/** Transaction undo log page header offsets */ +/* @{ */ +#define TRX_UNDO_PAGE_TYPE 0 /*!< TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ +#define TRX_UNDO_PAGE_START 2 /*!< Byte offset where the undo log + records for the LATEST transaction + start on this page (remember that + in an update undo log, the first page + can contain several undo logs) */ +#define TRX_UNDO_PAGE_FREE 4 /*!< On each page of the undo log this + field contains the byte offset of the + first free byte on the page */ +#define TRX_UNDO_PAGE_NODE 6 /*!< The file list node in the chain + of undo log pages */ +/*-------------------------------------------------------------*/ +#define TRX_UNDO_PAGE_HDR_SIZE (6 + FLST_NODE_SIZE) + /*!< Size of the transaction undo + log page header, in bytes */ +/* @} */ + +/** An update undo segment with just one page can be reused if it has +at most this many bytes used; we must leave space at least for one new undo +log header on the page */ + +#define TRX_UNDO_PAGE_REUSE_LIMIT (3 * UNIV_PAGE_SIZE / 4) + +/* An update undo log segment may contain several undo logs on its first page +if the undo logs took so little space that the segment could be cached and +reused. All the undo log headers are then on the first page, and the last one +owns the undo log records on subsequent pages if the segment is bigger than +one page. If an undo log is stored in a segment, then on the first page it is +allowed to have zero undo records, but if the segment extends to several +pages, then all the rest of the pages must contain at least one undo log +record. */ + +/** The offset of the undo log segment header on the first page of the undo +log segment */ + +#define TRX_UNDO_SEG_HDR (TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE) +/** Undo log segment header */ +/* @{ */ +/*-------------------------------------------------------------*/ +#define TRX_UNDO_STATE 0 /*!< TRX_UNDO_ACTIVE, ... */ +#define TRX_UNDO_LAST_LOG 2 /*!< Offset of the last undo log header + on the segment header page, 0 if + none */ +#define TRX_UNDO_FSEG_HEADER 4 /*!< Header for the file segment which + the undo log segment occupies */ +#define TRX_UNDO_PAGE_LIST (4 + FSEG_HEADER_SIZE) + /*!< Base node for the list of pages in + the undo log segment; defined only on + the undo log segment's first page */ +/*-------------------------------------------------------------*/ +/** Size of the undo log segment header */ +#define TRX_UNDO_SEG_HDR_SIZE (4 + FSEG_HEADER_SIZE + FLST_BASE_NODE_SIZE) +/* @} */ + + +/** The undo log header. There can be several undo log headers on the first +page of an update undo log segment. */ +/* @{ */ +/*-------------------------------------------------------------*/ +#define TRX_UNDO_TRX_ID 0 /*!< Transaction id */ +#define TRX_UNDO_TRX_NO 8 /*!< Transaction number of the + transaction; defined only if the log + is in a history list */ +#define TRX_UNDO_DEL_MARKS 16 /*!< Defined only in an update undo + log: TRUE if the transaction may have + done delete markings of records, and + thus purge is necessary */ +#define TRX_UNDO_LOG_START 18 /*!< Offset of the first undo log record + of this log on the header page; purge + may remove undo log record from the + log start, and therefore this is not + necessarily the same as this log + header end offset */ +#define TRX_UNDO_XID_EXISTS 20 /*!< TRUE if undo log header includes + X/Open XA transaction identification + XID */ +#define TRX_UNDO_DICT_TRANS 21 /*!< TRUE if the transaction is a table + create, index create, or drop + transaction: in recovery + the transaction cannot be rolled back + in the usual way: a 'rollback' rather + means dropping the created or dropped + table, if it still exists */ +#define TRX_UNDO_TABLE_ID 22 /*!< Id of the table if the preceding + field is TRUE */ +#define TRX_UNDO_NEXT_LOG 30 /*!< Offset of the next undo log header + on this page, 0 if none */ +#define TRX_UNDO_PREV_LOG 32 /*!< Offset of the previous undo log + header on this page, 0 if none */ +#define TRX_UNDO_HISTORY_NODE 34 /*!< If the log is put to the history + list, the file list node is here */ +/*-------------------------------------------------------------*/ +/** Size of the undo log header without XID information */ +#define TRX_UNDO_LOG_OLD_HDR_SIZE (34 + FLST_NODE_SIZE) + +/* Note: the writing of the undo log old header is coded by a log record +MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE. The appending of an XID to the +header is logged separately. In this sense, the XID is not really a member +of the undo log header. TODO: do not append the XID to the log header if XA +is not needed by the user. The XID wastes about 150 bytes of space in every +undo log. In the history list we may have millions of undo logs, which means +quite a large overhead. */ + +/** X/Open XA Transaction Identification (XID) */ +/* @{ */ +/** xid_t::formatID */ +#define TRX_UNDO_XA_FORMAT (TRX_UNDO_LOG_OLD_HDR_SIZE) +/** xid_t::gtrid_length */ +#define TRX_UNDO_XA_TRID_LEN (TRX_UNDO_XA_FORMAT + 4) +/** xid_t::bqual_length */ +#define TRX_UNDO_XA_BQUAL_LEN (TRX_UNDO_XA_TRID_LEN + 4) +/** Distributed transaction identifier data */ +#define TRX_UNDO_XA_XID (TRX_UNDO_XA_BQUAL_LEN + 4) +/*--------------------------------------------------------------*/ +#define TRX_UNDO_LOG_XA_HDR_SIZE (TRX_UNDO_XA_XID + XIDDATASIZE) + /*!< Total size of the undo log header + with the XA XID */ +/* @} */ + +#ifndef UNIV_NONINL +#include "trx0undo.ic" +#endif + +#endif diff --git a/perfschema/include/trx0undo.ic b/perfschema/include/trx0undo.ic new file mode 100644 index 00000000000..2d289b34ef1 --- /dev/null +++ b/perfschema/include/trx0undo.ic @@ -0,0 +1,351 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/trx0undo.ic +Transaction undo log + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "data0type.h" +#include "page0page.h" + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Builds a roll pointer. +@return roll pointer */ +UNIV_INLINE +roll_ptr_t +trx_undo_build_roll_ptr( +/*====================*/ + ibool is_insert, /*!< in: TRUE if insert undo log */ + ulint rseg_id, /*!< in: rollback segment id */ + ulint page_no, /*!< in: page number */ + ulint offset) /*!< in: offset of the undo entry within page */ +{ +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif + ut_ad(rseg_id < 128); + + return(ut_dulint_create(is_insert * 128 * 256 * 256 + + rseg_id * 256 * 256 + + (page_no / 256) / 256, + (page_no % (256 * 256)) * 256 * 256 + + offset)); +} + +/***********************************************************************//** +Decodes a roll pointer. */ +UNIV_INLINE +void +trx_undo_decode_roll_ptr( +/*=====================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer */ + ibool* is_insert, /*!< out: TRUE if insert undo log */ + ulint* rseg_id, /*!< out: rollback segment id */ + ulint* page_no, /*!< out: page number */ + ulint* offset) /*!< out: offset of the undo + entry within page */ +{ + ulint low; + ulint high; +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif +#if TRUE != 1 +# error "TRUE != 1" +#endif + high = ut_dulint_get_high(roll_ptr); + low = ut_dulint_get_low(roll_ptr); + + *offset = low % (256 * 256); + + *is_insert = high / (256 * 256 * 128); /* TRUE == 1 */ + *rseg_id = (high / (256 * 256)) % 128; + + *page_no = (high % (256 * 256)) * 256 * 256 + + (low / 256) / 256; +} + +/***********************************************************************//** +Returns TRUE if the roll pointer is of the insert type. +@return TRUE if insert undo log */ +UNIV_INLINE +ibool +trx_undo_roll_ptr_is_insert( +/*========================*/ + roll_ptr_t roll_ptr) /*!< in: roll pointer */ +{ + ulint high; +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif +#if TRUE != 1 +# error "TRUE != 1" +#endif + high = ut_dulint_get_high(roll_ptr); + + return(high / (256 * 256 * 128)); +} +#endif /* !UNIV_HOTBACKUP */ + +/*****************************************************************//** +Writes a roll ptr to an index page. In case that the size changes in +some future version, this function should be used instead of +mach_write_... */ +UNIV_INLINE +void +trx_write_roll_ptr( +/*===============*/ + byte* ptr, /*!< in: pointer to memory where + written */ + roll_ptr_t roll_ptr) /*!< in: roll ptr */ +{ +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif + mach_write_to_7(ptr, roll_ptr); +} + +/*****************************************************************//** +Reads a roll ptr from an index page. In case that the roll ptr size +changes in some future version, this function should be used instead of +mach_read_... +@return roll ptr */ +UNIV_INLINE +roll_ptr_t +trx_read_roll_ptr( +/*==============*/ + const byte* ptr) /*!< in: pointer to memory from where to read */ +{ +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif + return(mach_read_from_7(ptr)); +} + +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Gets an undo log page and x-latches it. +@return pointer to page x-latched */ +UNIV_INLINE +page_t* +trx_undo_page_get( +/*==============*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block = buf_page_get(space, zip_size, page_no, + RW_X_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); + + return(buf_block_get_frame(block)); +} + +/******************************************************************//** +Gets an undo log page and s-latches it. +@return pointer to page s-latched */ +UNIV_INLINE +page_t* +trx_undo_page_get_s_latched( +/*========================*/ + ulint space, /*!< in: space where placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number */ + mtr_t* mtr) /*!< in: mtr */ +{ + buf_block_t* block = buf_page_get(space, zip_size, page_no, + RW_S_LATCH, mtr); + buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); + + return(buf_block_get_frame(block)); +} + +/******************************************************************//** +Returns the start offset of the undo log records of the specified undo +log on the page. +@return start offset */ +UNIV_INLINE +ulint +trx_undo_page_get_start( +/*====================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + ulint start; + + if (page_no == page_get_page_no(undo_page)) { + + start = mach_read_from_2(offset + undo_page + + TRX_UNDO_LOG_START); + } else { + start = TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE; + } + + return(start); +} + +/******************************************************************//** +Returns the end offset of the undo log records of the specified undo +log on the page. +@return end offset */ +UNIV_INLINE +ulint +trx_undo_page_get_end( +/*==================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + trx_ulogf_t* log_hdr; + ulint end; + + if (page_no == page_get_page_no(undo_page)) { + + log_hdr = undo_page + offset; + + end = mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG); + + if (end == 0) { + end = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + } + } else { + end = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + } + + return(end); +} + +/******************************************************************//** +Returns the previous undo record on the page in the specified log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_prev_rec( +/*=======================*/ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + page_t* undo_page; + ulint start; + + undo_page = (page_t*) ut_align_down(rec, UNIV_PAGE_SIZE); + + start = trx_undo_page_get_start(undo_page, page_no, offset); + + if (start + undo_page == rec) { + + return(NULL); + } + + return(undo_page + mach_read_from_2(rec - 2)); +} + +/******************************************************************//** +Returns the next undo log record on the page in the specified log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_next_rec( +/*=======================*/ + trx_undo_rec_t* rec, /*!< in: undo log record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + page_t* undo_page; + ulint end; + ulint next; + + undo_page = (page_t*) ut_align_down(rec, UNIV_PAGE_SIZE); + + end = trx_undo_page_get_end(undo_page, page_no, offset); + + next = mach_read_from_2(rec); + + if (next == end) { + + return(NULL); + } + + return(undo_page + next); +} + +/******************************************************************//** +Returns the last undo record on the page in the specified undo log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_last_rec( +/*=======================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + ulint start; + ulint end; + + start = trx_undo_page_get_start(undo_page, page_no, offset); + end = trx_undo_page_get_end(undo_page, page_no, offset); + + if (start == end) { + + return(NULL); + } + + return(undo_page + mach_read_from_2(undo_page + end - 2)); +} + +/******************************************************************//** +Returns the first undo record on the page in the specified undo log, or +NULL if none exists. +@return pointer to record, NULL if none */ +UNIV_INLINE +trx_undo_rec_t* +trx_undo_page_get_first_rec( +/*========================*/ + page_t* undo_page,/*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header offset on page */ +{ + ulint start; + ulint end; + + start = trx_undo_page_get_start(undo_page, page_no, offset); + end = trx_undo_page_get_end(undo_page, page_no, offset); + + if (start == end) { + + return(NULL); + } + + return(undo_page + start); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0xa.h b/perfschema/include/trx0xa.h new file mode 100644 index 00000000000..e0dd8a1af5b --- /dev/null +++ b/perfschema/include/trx0xa.h @@ -0,0 +1,70 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/* + * Start of xa.h header + * + * Define a symbol to prevent multiple inclusions of this header file + */ +#ifndef XA_H +#define XA_H + +/* + * Transaction branch identification: XID and NULLXID: + */ +#ifndef XIDDATASIZE + +/** Sizes of transaction identifier */ +#define XIDDATASIZE 128 /*!< maximum size of a transaction + identifier, in bytes */ +#define MAXGTRIDSIZE 64 /*!< maximum size in bytes of gtrid */ +#define MAXBQUALSIZE 64 /*!< maximum size in bytes of bqual */ + +/** X/Open XA distributed transaction identifier */ +struct xid_t { + long formatID; /*!< format identifier; -1 + means that the XID is null */ + long gtrid_length; /*!< value from 1 through 64 */ + long bqual_length; /*!< value from 1 through 64 */ + char data[XIDDATASIZE]; /*!< distributed transaction + identifier */ +}; +/** X/Open XA distributed transaction identifier */ +typedef struct xid_t XID; +#endif +/** X/Open XA distributed transaction status codes */ +/* @{ */ +#define XA_OK 0 /*!< normal execution */ +#define XAER_ASYNC -2 /*!< asynchronous operation already + outstanding */ +#define XAER_RMERR -3 /*!< a resource manager error + occurred in the transaction + branch */ +#define XAER_NOTA -4 /*!< the XID is not valid */ +#define XAER_INVAL -5 /*!< invalid arguments were given */ +#define XAER_PROTO -6 /*!< routine invoked in an improper + context */ +#define XAER_RMFAIL -7 /*!< resource manager unavailable */ +#define XAER_DUPID -8 /*!< the XID already exists */ +#define XAER_OUTSIDE -9 /*!< resource manager doing + work outside transaction */ +/* @} */ +#endif /* ifndef XA_H */ +/* + * End of xa.h header + */ diff --git a/perfschema/include/univ.i b/perfschema/include/univ.i new file mode 100644 index 00000000000..e8596aa9483 --- /dev/null +++ b/perfschema/include/univ.i @@ -0,0 +1,484 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. +Copyright (c) 2009, Sun Microsystems, Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***********************************************************************//** +@file include/univ.i +Version control for database, common definitions, and include files + +Created 1/20/1994 Heikki Tuuri +****************************************************************************/ + +#ifndef univ_i +#define univ_i + +#ifdef UNIV_HOTBACKUP +#include "hb_univ.i" +#endif /* UNIV_HOTBACKUP */ + +#define INNODB_VERSION_MAJOR 1 +#define INNODB_VERSION_MINOR 1 +#define INNODB_VERSION_BUGFIX 0 + +/* The following is the InnoDB version as shown in +SELECT plugin_version FROM information_schema.plugins; +calculated in make_version_string() in sql/sql_show.cc like this: +"version >> 8" . "version & 0xff" +because the version is shown with only one dot, we skip the last +component, i.e. we show M.N.P as M.N */ +#define INNODB_VERSION_SHORT \ + (INNODB_VERSION_MAJOR << 8 | INNODB_VERSION_MINOR) + +/* auxiliary macros to help creating the version as string */ +#define __INNODB_VERSION(a, b, c) (#a "." #b "." #c) +#define _INNODB_VERSION(a, b, c) __INNODB_VERSION(a, b, c) + +#define INNODB_VERSION_STR \ + _INNODB_VERSION(INNODB_VERSION_MAJOR, \ + INNODB_VERSION_MINOR, \ + INNODB_VERSION_BUGFIX) + +#define REFMAN "http://dev.mysql.com/doc/refman/5.1/en/" + +#ifdef MYSQL_DYNAMIC_PLUGIN +/* In the dynamic plugin, redefine some externally visible symbols +in order not to conflict with the symbols of a builtin InnoDB. */ + +/* Rename all C++ classes that contain virtual functions, because we +have not figured out how to apply the visibility=hidden attribute to +the virtual method table (vtable) in GCC 3. */ +# define ha_innobase ha_innodb +#endif /* MYSQL_DYNAMIC_PLUGIN */ + +/* if any of the following macros is defined at this point this means +that the code from the "right" plug.in was executed and we do not +need to include ut0auxconf.h which would either define the same macros +or will be empty */ +#if !defined(HAVE_IB_GCC_ATOMIC_BUILTINS) \ + && !defined(HAVE_IB_ATOMIC_PTHREAD_T_GCC) \ + && !defined(HAVE_IB_SOLARIS_ATOMICS) \ + && !defined(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) \ + && !defined(SIZEOF_PTHREAD_T) \ + && !defined(HAVE_IB_PAUSE_INSTRUCTION) +# include "ut0auxconf.h" +#endif + +#if (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)) && !defined(MYSQL_SERVER) && !defined(__WIN__) +# undef __WIN__ +# define __WIN__ + +# include + +# ifdef _NT_ +# define __NT__ +# endif + +#else +/* The defines used with MySQL */ + +/* Include two header files from MySQL to make the Unix flavor used +in compiling more Posix-compatible. These headers also define __WIN__ +if we are compiling on Windows. */ + +#ifndef UNIV_HOTBACKUP +# include +# include +#endif /* UNIV_HOTBACKUP */ + +/* Include to get S_I... macros defined for os0file.c */ +# include +# if !defined(__NETWARE__) && !defined(__WIN__) +# include /* mmap() for os0proc.c */ +# endif + +/* Include the header file generated by GNU autoconf */ +# ifndef __WIN__ +# ifndef UNIV_HOTBACKUP +# include "config.h" +# endif /* UNIV_HOTBACKUP */ +# endif + +# ifdef HAVE_SCHED_H +# include +# endif + +/* We only try to do explicit inlining of functions with gcc and +Sun Studio */ + +# if !defined(__GNUC__) && !(defined(__SUNPRO_C) || defined(__SUNPRO_CC)) +# undef UNIV_MUST_NOT_INLINE /* Remove compiler warning */ +# define UNIV_MUST_NOT_INLINE +# endif + +# ifdef HAVE_PREAD +# define HAVE_PWRITE +# endif + +#endif /* #if (defined(WIN32) || ... */ + +/* DEBUG VERSION CONTROL + ===================== */ + +/* The following flag will make InnoDB to initialize +all memory it allocates to zero. It hides Purify +warnings about reading unallocated memory unless +memory is read outside the allocated blocks. */ +/* +#define UNIV_INIT_MEM_TO_ZERO +*/ + +/* When this macro is defined then additional test functions will be +compiled. These functions live at the end of each relevant source file +and have "test_" prefix. These functions are not called from anywhere in +the code, they can be called from gdb after +innobase_start_or_create_for_mysql() has executed using the call +command. Not tested on Windows. */ +/* +#define UNIV_COMPILE_TEST_FUNCS +*/ + +#if 0 +#define UNIV_DEBUG_VALGRIND /* Enable extra + Valgrind instrumentation */ +#define UNIV_DEBUG_PRINT /* Enable the compilation of + some debug print functions */ +#define UNIV_AHI_DEBUG /* Enable adaptive hash index + debugging without UNIV_DEBUG */ +#define UNIV_BUF_DEBUG /* Enable buffer pool + debugging without UNIV_DEBUG */ +#define UNIV_DEBUG /* Enable ut_ad() assertions + and disable UNIV_INLINE */ +#define UNIV_DEBUG_LOCK_VALIDATE /* Enable + ut_ad(lock_rec_validate_page()) + assertions. */ +#define UNIV_DEBUG_FILE_ACCESSES /* Debug .ibd file access + (field file_page_was_freed + in buf_page_t) */ +#define UNIV_LRU_DEBUG /* debug the buffer pool LRU */ +#define UNIV_HASH_DEBUG /* debug HASH_ macros */ +#define UNIV_LIST_DEBUG /* debug UT_LIST_ macros */ +#define UNIV_LOG_LSN_DEBUG /* write LSN to the redo log; +this will break redo log file compatibility, but it may be useful when +debugging redo log application problems. */ +#define UNIV_MEM_DEBUG /* detect memory leaks etc */ +#define UNIV_IBUF_DEBUG /* debug the insert buffer */ +#define UNIV_IBUF_COUNT_DEBUG /* debug the insert buffer; +this limits the database to IBUF_COUNT_N_SPACES and IBUF_COUNT_N_PAGES, +and the insert buffer must be empty when the database is started */ +#define UNIV_SYNC_DEBUG /* debug mutex and latch +operations (very slow); also UNIV_DEBUG must be defined */ +#define UNIV_SEARCH_DEBUG /* debug B-tree comparisons */ +#define UNIV_SYNC_PERF_STAT /* operation counts for + rw-locks and mutexes */ +#define UNIV_SEARCH_PERF_STAT /* statistics for the + adaptive hash index */ +#define UNIV_SRV_PRINT_LATCH_WAITS /* enable diagnostic output + in sync0sync.c */ +#define UNIV_BTR_PRINT /* enable functions for + printing B-trees */ +#define UNIV_ZIP_DEBUG /* extensive consistency checks + for compressed pages */ +#define UNIV_ZIP_COPY /* call page_zip_copy_recs() + more often */ +#define UNIV_AIO_DEBUG /* prints info about + submitted and reaped AIO + requests to the log. */ +#endif + +#define UNIV_BTR_DEBUG /* check B-tree links */ +#define UNIV_LIGHT_MEM_DEBUG /* light memory debugging */ + +#ifdef HAVE_purify +/* The following sets all new allocated memory to zero before use: +this can be used to eliminate unnecessary Purify warnings, but note that +it also masks many bugs Purify could detect. For detailed Purify analysis it +is best to remove the define below and look through the warnings one +by one. */ +#define UNIV_SET_MEM_TO_ZERO +#endif + +/* +#define UNIV_SQL_DEBUG +#define UNIV_LOG_DEBUG +*/ + /* the above option prevents forcing of log to disk + at a buffer page write: it should be tested with this + option off; also some ibuf tests are suppressed */ + +/* Linkage specifier for non-static InnoDB symbols (variables and functions) +that are only referenced from within InnoDB, not from MySQL */ +#if defined(__GNUC__) && (__GNUC__ >= 4) || defined(__INTEL_COMPILER) +# define UNIV_INTERN __attribute__((visibility ("hidden"))) +#else +# define UNIV_INTERN +#endif + +#if (!defined(UNIV_DEBUG) && !defined(UNIV_MUST_NOT_INLINE)) +/* Definition for inline version */ + +#ifdef __WIN__ +# define UNIV_INLINE __inline +#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) +# define UNIV_INLINE static inline +#else +# define UNIV_INLINE static __inline__ +#endif + +#else +/* If we want to compile a noninlined version we use the following macro +definitions: */ + +#define UNIV_NONINL +#define UNIV_INLINE UNIV_INTERN + +#endif /* UNIV_DEBUG */ + +#ifdef _WIN32 +#define UNIV_WORD_SIZE 4 +#elif defined(_WIN64) +#define UNIV_WORD_SIZE 8 +#else +/* MySQL config.h generated by GNU autoconf will define SIZEOF_LONG in Posix */ +#define UNIV_WORD_SIZE SIZEOF_LONG +#endif + +/* The following alignment is used in memory allocations in memory heap +management to ensure correct alignment for doubles etc. */ +#define UNIV_MEM_ALIGNMENT 8 + +/* The following alignment is used in aligning lints etc. */ +#define UNIV_WORD_ALIGNMENT UNIV_WORD_SIZE + +/* + DATABASE VERSION CONTROL + ======================== +*/ + +/* The 2-logarithm of UNIV_PAGE_SIZE: */ +#define UNIV_PAGE_SIZE_SHIFT 14 +/* The universal page size of the database */ +#define UNIV_PAGE_SIZE (1 << UNIV_PAGE_SIZE_SHIFT) + +/* Maximum number of parallel threads in a parallelized operation */ +#define UNIV_MAX_PARALLELISM 32 + +/* + UNIVERSAL TYPE DEFINITIONS + ========================== +*/ + +/* Note that inside MySQL 'byte' is defined as char on Linux! */ +#define byte unsigned char + +/* Define an unsigned integer type that is exactly 32 bits. */ + +#if SIZEOF_INT == 4 +typedef unsigned int ib_uint32_t; +#elif SIZEOF_LONG == 4 +typedef unsigned long ib_uint32_t; +#else +#error "Neither int or long is 4 bytes" +#endif + +/* Another basic type we use is unsigned long integer which should be equal to +the word size of the machine, that is on a 32-bit platform 32 bits, and on a +64-bit platform 64 bits. We also give the printf format for the type as a +macro ULINTPF. */ + +#ifdef _WIN64 +typedef unsigned __int64 ulint; +#define ULINTPF "%I64u" +typedef __int64 lint; +#else +typedef unsigned long int ulint; +#define ULINTPF "%lu" +typedef long int lint; +#endif + +#ifdef __WIN__ +typedef __int64 ib_int64_t; +typedef unsigned __int64 ib_uint64_t; +#elif !defined(UNIV_HOTBACKUP) +/* Note: longlong and ulonglong come from MySQL headers. */ +typedef longlong ib_int64_t; +typedef ulonglong ib_uint64_t; +#endif + +#ifndef UNIV_HOTBACKUP +typedef unsigned long long int ullint; +#endif /* UNIV_HOTBACKUP */ + +#ifndef __WIN__ +#if SIZEOF_LONG != SIZEOF_VOIDP +#error "Error: InnoDB's ulint must be of the same size as void*" +#endif +#endif + +/* The 'undefined' value for a ulint */ +#define ULINT_UNDEFINED ((ulint)(-1)) + +/* The undefined 32-bit unsigned integer */ +#define ULINT32_UNDEFINED 0xFFFFFFFF + +/* Maximum value for a ulint */ +#define ULINT_MAX ((ulint)(-2)) + +/* Maximum value for ib_uint64_t */ +#define IB_ULONGLONG_MAX ((ib_uint64_t) (~0ULL)) + +/* This 'ibool' type is used within Innobase. Remember that different included +headers may define 'bool' differently. Do not assume that 'bool' is a ulint! */ +#define ibool ulint + +#ifndef TRUE + +#define TRUE 1 +#define FALSE 0 + +#endif + +/* The following number as the length of a logical field means that the field +has the SQL NULL as its value. NOTE that because we assume that the length +of a field is a 32-bit integer when we store it, for example, to an undo log +on disk, we must have also this number fit in 32 bits, also in 64-bit +computers! */ + +#define UNIV_SQL_NULL ULINT32_UNDEFINED + +/* Lengths which are not UNIV_SQL_NULL, but bigger than the following +number indicate that a field contains a reference to an externally +stored part of the field in the tablespace. The length field then +contains the sum of the following flag and the locally stored len. */ + +#define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE) + +/* Some macros to improve branch prediction and reduce cache misses */ +#if defined(__GNUC__) && (__GNUC__ > 2) && ! defined(__INTEL_COMPILER) +/* Tell the compiler that 'expr' probably evaluates to 'constant'. */ +# define UNIV_EXPECT(expr,constant) __builtin_expect(expr, constant) +/* Tell the compiler that a pointer is likely to be NULL */ +# define UNIV_LIKELY_NULL(ptr) __builtin_expect((ulint) ptr, 0) +/* Minimize cache-miss latency by moving data at addr into a cache before +it is read. */ +# define UNIV_PREFETCH_R(addr) __builtin_prefetch(addr, 0, 3) +/* Minimize cache-miss latency by moving data at addr into a cache before +it is read or written. */ +# define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) +/* Sun Studio includes sun_prefetch.h as of version 5.9 */ +#elif (defined(__SUNPRO_C) && __SUNPRO_C >= 0x590) \ + || (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590) +# include +#if __SUNPRO_C >= 0x550 +# undef UNIV_INTERN +# define UNIV_INTERN __hidden +#endif /* __SUNPRO_C >= 0x550 */ +/* Use sun_prefetch when compile with Sun Studio */ +# define UNIV_EXPECT(expr,value) (expr) +# define UNIV_LIKELY_NULL(expr) (expr) +# define UNIV_PREFETCH_R(addr) sun_prefetch_read_many(addr) +# define UNIV_PREFETCH_RW(addr) sun_prefetch_write_many(addr) +#else +/* Dummy versions of the macros */ +# define UNIV_EXPECT(expr,value) (expr) +# define UNIV_LIKELY_NULL(expr) (expr) +# define UNIV_PREFETCH_R(addr) ((void) 0) +# define UNIV_PREFETCH_RW(addr) ((void) 0) +#endif +/* Tell the compiler that cond is likely to hold */ +#define UNIV_LIKELY(cond) UNIV_EXPECT(cond, TRUE) +/* Tell the compiler that cond is unlikely to hold */ +#define UNIV_UNLIKELY(cond) UNIV_EXPECT(cond, FALSE) + +/* Compile-time constant of the given array's size. */ +#define UT_ARR_SIZE(a) (sizeof(a) / sizeof((a)[0])) + +/* The return type from a thread's start function differs between Unix and +Windows, so define a typedef for it and a macro to use at the end of such +functions. */ + +#ifdef __WIN__ +typedef ulint os_thread_ret_t; +#define OS_THREAD_DUMMY_RETURN return(0) +#else +typedef void* os_thread_ret_t; +#define OS_THREAD_DUMMY_RETURN return(NULL) +#endif + +#include +#include "ut0dbg.h" +#include "ut0ut.h" +#include "db0err.h" +#ifdef UNIV_DEBUG_VALGRIND +# include +# define UNIV_MEM_VALID(addr, size) VALGRIND_MAKE_MEM_DEFINED(addr, size) +# define UNIV_MEM_INVALID(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size) +# define UNIV_MEM_FREE(addr, size) VALGRIND_MAKE_MEM_NOACCESS(addr, size) +# define UNIV_MEM_ALLOC(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size) +# define UNIV_MEM_DESC(addr, size, b) VALGRIND_CREATE_BLOCK(addr, size, b) +# define UNIV_MEM_UNDESC(b) VALGRIND_DISCARD(b) +# define UNIV_MEM_ASSERT_RW(addr, size) do { \ + const void* _p = (const void*) (ulint) \ + VALGRIND_CHECK_MEM_IS_DEFINED(addr, size); \ + if (UNIV_LIKELY_NULL(_p)) \ + fprintf(stderr, "%s:%d: %p[%u] undefined at %ld\n", \ + __FILE__, __LINE__, \ + (const void*) (addr), (unsigned) (size), (long) \ + (((const char*) _p) - ((const char*) (addr)))); \ + } while (0) +# define UNIV_MEM_ASSERT_W(addr, size) do { \ + const void* _p = (const void*) (ulint) \ + VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr, size); \ + if (UNIV_LIKELY_NULL(_p)) \ + fprintf(stderr, "%s:%d: %p[%u] unwritable at %ld\n", \ + __FILE__, __LINE__, \ + (const void*) (addr), (unsigned) (size), (long) \ + (((const char*) _p) - ((const char*) (addr)))); \ + } while (0) +#else +# define UNIV_MEM_VALID(addr, size) do {} while(0) +# define UNIV_MEM_INVALID(addr, size) do {} while(0) +# define UNIV_MEM_FREE(addr, size) do {} while(0) +# define UNIV_MEM_ALLOC(addr, size) do {} while(0) +# define UNIV_MEM_DESC(addr, size, b) do {} while(0) +# define UNIV_MEM_UNDESC(b) do {} while(0) +# define UNIV_MEM_ASSERT_RW(addr, size) do {} while(0) +# define UNIV_MEM_ASSERT_W(addr, size) do {} while(0) +#endif +#define UNIV_MEM_ASSERT_AND_FREE(addr, size) do { \ + UNIV_MEM_ASSERT_W(addr, size); \ + UNIV_MEM_FREE(addr, size); \ +} while (0) +#define UNIV_MEM_ASSERT_AND_ALLOC(addr, size) do { \ + UNIV_MEM_ASSERT_W(addr, size); \ + UNIV_MEM_ALLOC(addr, size); \ +} while (0) + +#endif diff --git a/perfschema/include/usr0sess.h b/perfschema/include/usr0sess.h new file mode 100644 index 00000000000..2c288f7d455 --- /dev/null +++ b/perfschema/include/usr0sess.h @@ -0,0 +1,76 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/usr0sess.h +Sessions + +Created 6/25/1996 Heikki Tuuri +*******************************************************/ + +#ifndef usr0sess_h +#define usr0sess_h + +#include "univ.i" +#include "ut0byte.h" +#include "trx0types.h" +#include "srv0srv.h" +#include "trx0types.h" +#include "usr0types.h" +#include "que0types.h" +#include "data0data.h" +#include "rem0rec.h" + +/*********************************************************************//** +Opens a session. +@return own: session object */ +UNIV_INTERN +sess_t* +sess_open(void); +/*============*/ +/*********************************************************************//** +Closes a session, freeing the memory occupied by it. */ +UNIV_INTERN +void +sess_close( +/*=======*/ + sess_t* sess); /* in, own: session object */ + +/* The session handle. All fields are protected by the kernel mutex */ +struct sess_struct{ + ulint state; /*!< state of the session */ + trx_t* trx; /*!< transaction object permanently + assigned for the session: the + transaction instance designated by the + trx id changes, but the memory + structure is preserved */ + UT_LIST_BASE_NODE_T(que_t) + graphs; /*!< query graphs belonging to this + session */ +}; + +/* Session states */ +#define SESS_ACTIVE 1 +#define SESS_ERROR 2 /* session contains an error message + which has not yet been communicated + to the client */ +#ifndef UNIV_NONINL +#include "usr0sess.ic" +#endif + +#endif diff --git a/perfschema/include/usr0sess.ic b/perfschema/include/usr0sess.ic new file mode 100644 index 00000000000..35a75d75acc --- /dev/null +++ b/perfschema/include/usr0sess.ic @@ -0,0 +1,24 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/usr0sess.ic +Sessions + +Created 6/25/1996 Heikki Tuuri +*******************************************************/ diff --git a/perfschema/include/usr0types.h b/perfschema/include/usr0types.h new file mode 100644 index 00000000000..6cc6f015613 --- /dev/null +++ b/perfschema/include/usr0types.h @@ -0,0 +1,31 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/usr0types.h +Users and sessions global types + +Created 6/25/1996 Heikki Tuuri +*******************************************************/ + +#ifndef usr0types_h +#define usr0types_h + +typedef struct sess_struct sess_t; + +#endif diff --git a/perfschema/include/ut0auxconf.h b/perfschema/include/ut0auxconf.h new file mode 100644 index 00000000000..16bcc308392 --- /dev/null +++ b/perfschema/include/ut0auxconf.h @@ -0,0 +1,14 @@ +/* Do not remove this file even though it is empty. +This file is included in univ.i and will cause compilation failure +if not present. +A custom checks have been added in the generated +storage/innobase/Makefile.in that is shipped with the InnoDB Plugin +source archive. These checks eventually define some macros and put +them in this file. +This is a hack that has been developed in order to deploy new compile +time checks without the need to regenerate the ./configure script that is +distributed in the MySQL 5.1 official source archives. +If by any chance Makefile.in and ./configure are regenerated and thus +the hack from Makefile.in wiped away then the "real" checks from plug.in +will take over. +*/ diff --git a/perfschema/include/ut0byte.h b/perfschema/include/ut0byte.h new file mode 100644 index 00000000000..f55e2888c60 --- /dev/null +++ b/perfschema/include/ut0byte.h @@ -0,0 +1,270 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/ut0byte.h +Utilities for byte operations + +Created 1/20/1994 Heikki Tuuri +***********************************************************************/ + +#ifndef ut0byte_h +#define ut0byte_h + + +#include "univ.i" + +/** Pair of ulint integers. */ +typedef struct dulint_struct dulint; +/** Type definition for a 64-bit unsigned integer, which works also +in 32-bit machines. NOTE! Access the fields only with the accessor +functions. This definition appears here only for the compiler to +know the size of a dulint. */ +struct dulint_struct{ + ulint high; /*!< most significant 32 bits */ + ulint low; /*!< least significant 32 bits */ +}; + +/** Zero value for a dulint */ +extern const dulint ut_dulint_zero; + +/** Maximum value for a dulint */ +extern const dulint ut_dulint_max; + +/*******************************************************//** +Creates a 64-bit dulint out of two ulints. +@return created dulint */ +UNIV_INLINE +dulint +ut_dulint_create( +/*=============*/ + ulint high, /*!< in: high-order 32 bits */ + ulint low); /*!< in: low-order 32 bits */ +/*******************************************************//** +Gets the high-order 32 bits of a dulint. +@return 32 bits in ulint */ +UNIV_INLINE +ulint +ut_dulint_get_high( +/*===============*/ + dulint d); /*!< in: dulint */ +/*******************************************************//** +Gets the low-order 32 bits of a dulint. +@return 32 bits in ulint */ +UNIV_INLINE +ulint +ut_dulint_get_low( +/*==============*/ + dulint d); /*!< in: dulint */ +/*******************************************************//** +Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit +integer type. +@return value in ib_int64_t type */ +UNIV_INLINE +ib_int64_t +ut_conv_dulint_to_longlong( +/*=======================*/ + dulint d); /*!< in: dulint */ +/*******************************************************//** +Tests if a dulint is zero. +@return TRUE if zero */ +UNIV_INLINE +ibool +ut_dulint_is_zero( +/*==============*/ + dulint a); /*!< in: dulint */ +/*******************************************************//** +Compares two dulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ +UNIV_INLINE +int +ut_dulint_cmp( +/*==========*/ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ +/*******************************************************//** +Calculates the max of two dulints. +@return max(a, b) */ +UNIV_INLINE +dulint +ut_dulint_get_max( +/*==============*/ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ +/*******************************************************//** +Calculates the min of two dulints. +@return min(a, b) */ +UNIV_INLINE +dulint +ut_dulint_get_min( +/*==============*/ + dulint a, /*!< in: dulint */ + dulint b); /*!< in: dulint */ +/*******************************************************//** +Adds a ulint to a dulint. +@return sum a + b */ +UNIV_INLINE +dulint +ut_dulint_add( +/*==========*/ + dulint a, /*!< in: dulint */ + ulint b); /*!< in: ulint */ +/*******************************************************//** +Subtracts a ulint from a dulint. +@return a - b */ +UNIV_INLINE +dulint +ut_dulint_subtract( +/*===============*/ + dulint a, /*!< in: dulint */ + ulint b); /*!< in: ulint, b <= a */ +/*******************************************************//** +Subtracts a dulint from another. NOTE that the difference must be positive +and smaller that 4G. +@return a - b */ +UNIV_INLINE +ulint +ut_dulint_minus( +/*============*/ + dulint a, /*!< in: dulint; NOTE a must be >= b and at most + 2 to power 32 - 1 greater */ + dulint b); /*!< in: dulint */ +/********************************************************//** +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +dulint +ut_dulint_align_down( +/*=================*/ + dulint n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a + power of 2 */ +/********************************************************//** +Rounds a dulint upward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +dulint +ut_dulint_align_up( +/*===============*/ + dulint n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number which must be a + power of 2 */ +/********************************************************//** +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +ib_uint64_t +ut_uint64_align_down( +/*=================*/ + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number + which must be a power of 2 */ +/********************************************************//** +Rounds ib_uint64_t upward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +ib_uint64_t +ut_uint64_align_up( +/*===============*/ + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no); /*!< in: align by this number + which must be a power of 2 */ +/*******************************************************//** +Increments a dulint variable by 1. */ +#define UT_DULINT_INC(D)\ +{\ + if ((D).low == 0xFFFFFFFFUL) {\ + (D).high = (D).high + 1;\ + (D).low = 0;\ + } else {\ + (D).low = (D).low + 1;\ + }\ +} +/*******************************************************//** +Tests if two dulints are equal. */ +#define UT_DULINT_EQ(D1, D2) (((D1).low == (D2).low)\ + && ((D1).high == (D2).high)) +#ifdef notdefined +/************************************************************//** +Sort function for dulint arrays. */ +UNIV_INTERN +void +ut_dulint_sort( +/*===========*/ + dulint* arr, /*!< in/out: array to be sorted */ + dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ + ulint low, /*!< in: low bound of sort interval, inclusive */ + ulint high); /*!< in: high bound of sort interval, noninclusive */ +#endif /* notdefined */ + +/*********************************************************//** +The following function rounds up a pointer to the nearest aligned address. +@return aligned pointer */ +UNIV_INLINE +void* +ut_align( +/*=====*/ + const void* ptr, /*!< in: pointer */ + ulint align_no); /*!< in: align by this number */ +/*********************************************************//** +The following function rounds down a pointer to the nearest +aligned address. +@return aligned pointer */ +UNIV_INLINE +void* +ut_align_down( +/*==========*/ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ + __attribute__((const)); +/*********************************************************//** +The following function computes the offset of a pointer from the nearest +aligned address. +@return distance from aligned pointer */ +UNIV_INLINE +ulint +ut_align_offset( +/*============*/ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ + __attribute__((const)); +/*****************************************************************//** +Gets the nth bit of a ulint. +@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ +UNIV_INLINE +ibool +ut_bit_get_nth( +/*===========*/ + ulint a, /*!< in: ulint */ + ulint n); /*!< in: nth bit requested */ +/*****************************************************************//** +Sets the nth bit of a ulint. +@return the ulint with the bit set as requested */ +UNIV_INLINE +ulint +ut_bit_set_nth( +/*===========*/ + ulint a, /*!< in: ulint */ + ulint n, /*!< in: nth bit requested */ + ibool val); /*!< in: value for the bit to set */ + +#ifndef UNIV_NONINL +#include "ut0byte.ic" +#endif + +#endif diff --git a/perfschema/include/ut0byte.ic b/perfschema/include/ut0byte.ic new file mode 100644 index 00000000000..3dd51890cb4 --- /dev/null +++ b/perfschema/include/ut0byte.ic @@ -0,0 +1,411 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************************//** +@file include/ut0byte.ic +Utilities for byte operations + +Created 5/30/1994 Heikki Tuuri +*******************************************************************/ + +/*******************************************************//** +Creates a 64-bit dulint out of two ulints. +@return created dulint */ +UNIV_INLINE +dulint +ut_dulint_create( +/*=============*/ + ulint high, /*!< in: high-order 32 bits */ + ulint low) /*!< in: low-order 32 bits */ +{ + dulint res; + + ut_ad(high <= 0xFFFFFFFF); + ut_ad(low <= 0xFFFFFFFF); + + res.high = high; + res.low = low; + + return(res); +} + +/*******************************************************//** +Gets the high-order 32 bits of a dulint. +@return 32 bits in ulint */ +UNIV_INLINE +ulint +ut_dulint_get_high( +/*===============*/ + dulint d) /*!< in: dulint */ +{ + return(d.high); +} + +/*******************************************************//** +Gets the low-order 32 bits of a dulint. +@return 32 bits in ulint */ +UNIV_INLINE +ulint +ut_dulint_get_low( +/*==============*/ + dulint d) /*!< in: dulint */ +{ + return(d.low); +} + +/*******************************************************//** +Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit +integer type. +@return value in ib_int64_t type */ +UNIV_INLINE +ib_int64_t +ut_conv_dulint_to_longlong( +/*=======================*/ + dulint d) /*!< in: dulint */ +{ + return((ib_int64_t)d.low + + (((ib_int64_t)d.high) << 32)); +} + +/*******************************************************//** +Tests if a dulint is zero. +@return TRUE if zero */ +UNIV_INLINE +ibool +ut_dulint_is_zero( +/*==============*/ + dulint a) /*!< in: dulint */ +{ + if ((a.low == 0) && (a.high == 0)) { + + return(TRUE); + } + + return(FALSE); +} + +/*******************************************************//** +Compares two dulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ +UNIV_INLINE +int +ut_dulint_cmp( +/*==========*/ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ +{ + if (a.high > b.high) { + return(1); + } else if (a.high < b.high) { + return(-1); + } else if (a.low > b.low) { + return(1); + } else if (a.low < b.low) { + return(-1); + } else { + return(0); + } +} + +/*******************************************************//** +Calculates the max of two dulints. +@return max(a, b) */ +UNIV_INLINE +dulint +ut_dulint_get_max( +/*==============*/ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ +{ + if (ut_dulint_cmp(a, b) > 0) { + + return(a); + } + + return(b); +} + +/*******************************************************//** +Calculates the min of two dulints. +@return min(a, b) */ +UNIV_INLINE +dulint +ut_dulint_get_min( +/*==============*/ + dulint a, /*!< in: dulint */ + dulint b) /*!< in: dulint */ +{ + if (ut_dulint_cmp(a, b) > 0) { + + return(b); + } + + return(a); +} + +/*******************************************************//** +Adds a ulint to a dulint. +@return sum a + b */ +UNIV_INLINE +dulint +ut_dulint_add( +/*==========*/ + dulint a, /*!< in: dulint */ + ulint b) /*!< in: ulint */ +{ + if (0xFFFFFFFFUL - b >= a.low) { + a.low += b; + + return(a); + } + + a.low = a.low - (0xFFFFFFFFUL - b) - 1; + + a.high++; + + return(a); +} + +/*******************************************************//** +Subtracts a ulint from a dulint. +@return a - b */ +UNIV_INLINE +dulint +ut_dulint_subtract( +/*===============*/ + dulint a, /*!< in: dulint */ + ulint b) /*!< in: ulint, b <= a */ +{ + if (a.low >= b) { + a.low -= b; + + return(a); + } + + b -= a.low + 1; + + a.low = 0xFFFFFFFFUL - b; + + ut_ad(a.high > 0); + + a.high--; + + return(a); +} + +/*******************************************************//** +Subtracts a dulint from another. NOTE that the difference must be positive +and smaller that 4G. +@return a - b */ +UNIV_INLINE +ulint +ut_dulint_minus( +/*============*/ + dulint a, /*!< in: dulint; NOTE a must be >= b and at most + 2 to power 32 - 1 greater */ + dulint b) /*!< in: dulint */ +{ + ulint diff; + + if (a.high == b.high) { + ut_ad(a.low >= b.low); + + return(a.low - b.low); + } + + ut_ad(a.high == b.high + 1); + + diff = (ulint)(0xFFFFFFFFUL - b.low); + diff += 1 + a.low; + + ut_ad(diff > a.low); + + return(diff); +} + +/********************************************************//** +Rounds a dulint downward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +dulint +ut_dulint_align_down( +/*=================*/ + dulint n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a + power of 2 */ +{ + ulint low, high; + + ut_ad(align_no > 0); + ut_ad(((align_no - 1) & align_no) == 0); + + low = ut_dulint_get_low(n); + high = ut_dulint_get_high(n); + + low = low & ~(align_no - 1); + + return(ut_dulint_create(high, low)); +} + +/********************************************************//** +Rounds a dulint upward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +dulint +ut_dulint_align_up( +/*===============*/ + dulint n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number which must be a + power of 2 */ +{ + return(ut_dulint_align_down(ut_dulint_add(n, align_no - 1), align_no)); +} + +/********************************************************//** +Rounds ib_uint64_t downward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +ib_uint64_t +ut_uint64_align_down( +/*=================*/ + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number + which must be a power of 2 */ +{ + ut_ad(align_no > 0); + ut_ad(ut_is_2pow(align_no)); + + return(n & ~((ib_uint64_t) align_no - 1)); +} + +/********************************************************//** +Rounds ib_uint64_t upward to a multiple of a power of 2. +@return rounded value */ +UNIV_INLINE +ib_uint64_t +ut_uint64_align_up( +/*===============*/ + ib_uint64_t n, /*!< in: number to be rounded */ + ulint align_no) /*!< in: align by this number + which must be a power of 2 */ +{ + ib_uint64_t align_1 = (ib_uint64_t) align_no - 1; + + ut_ad(align_no > 0); + ut_ad(ut_is_2pow(align_no)); + + return((n + align_1) & ~align_1); +} + +/*********************************************************//** +The following function rounds up a pointer to the nearest aligned address. +@return aligned pointer */ +UNIV_INLINE +void* +ut_align( +/*=====*/ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ +{ + ut_ad(align_no > 0); + ut_ad(((align_no - 1) & align_no) == 0); + ut_ad(ptr); + + ut_ad(sizeof(void*) == sizeof(ulint)); + + return((void*)((((ulint)ptr) + align_no - 1) & ~(align_no - 1))); +} + +/*********************************************************//** +The following function rounds down a pointer to the nearest +aligned address. +@return aligned pointer */ +UNIV_INLINE +void* +ut_align_down( +/*==========*/ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ +{ + ut_ad(align_no > 0); + ut_ad(((align_no - 1) & align_no) == 0); + ut_ad(ptr); + + ut_ad(sizeof(void*) == sizeof(ulint)); + + return((void*)((((ulint)ptr)) & ~(align_no - 1))); +} + +/*********************************************************//** +The following function computes the offset of a pointer from the nearest +aligned address. +@return distance from aligned pointer */ +UNIV_INLINE +ulint +ut_align_offset( +/*============*/ + const void* ptr, /*!< in: pointer */ + ulint align_no) /*!< in: align by this number */ +{ + ut_ad(align_no > 0); + ut_ad(((align_no - 1) & align_no) == 0); + ut_ad(ptr); + + ut_ad(sizeof(void*) == sizeof(ulint)); + + return(((ulint)ptr) & (align_no - 1)); +} + +/*****************************************************************//** +Gets the nth bit of a ulint. +@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ +UNIV_INLINE +ibool +ut_bit_get_nth( +/*===========*/ + ulint a, /*!< in: ulint */ + ulint n) /*!< in: nth bit requested */ +{ + ut_ad(n < 8 * sizeof(ulint)); +#if TRUE != 1 +# error "TRUE != 1" +#endif + return(1 & (a >> n)); +} + +/*****************************************************************//** +Sets the nth bit of a ulint. +@return the ulint with the bit set as requested */ +UNIV_INLINE +ulint +ut_bit_set_nth( +/*===========*/ + ulint a, /*!< in: ulint */ + ulint n, /*!< in: nth bit requested */ + ibool val) /*!< in: value for the bit to set */ +{ + ut_ad(n < 8 * sizeof(ulint)); +#if TRUE != 1 +# error "TRUE != 1" +#endif + if (val) { + return(((ulint) 1 << n) | a); + } else { + return(~((ulint) 1 << n) & a); + } +} diff --git a/perfschema/include/ut0dbg.h b/perfschema/include/ut0dbg.h new file mode 100644 index 00000000000..78b525c38ab --- /dev/null +++ b/perfschema/include/ut0dbg.h @@ -0,0 +1,175 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*****************************************************************//** +@file include/ut0dbg.h +Debug utilities for Innobase + +Created 1/30/1994 Heikki Tuuri +**********************************************************************/ + +#ifndef ut0dbg_h +#define ut0dbg_h + +#include "univ.i" +#include +#include "os0thread.h" + +#if defined(__GNUC__) && (__GNUC__ > 2) +/** Test if an assertion fails. +@param EXPR assertion expression +@return nonzero if EXPR holds, zero if not */ +# define UT_DBG_FAIL(EXPR) UNIV_UNLIKELY(!((ulint)(EXPR))) +#else +/** This is used to eliminate compiler warnings */ +extern ulint ut_dbg_zero; +/** Test if an assertion fails. +@param EXPR assertion expression +@return nonzero if EXPR holds, zero if not */ +# define UT_DBG_FAIL(EXPR) !((ulint)(EXPR) + ut_dbg_zero) +#endif + +/*************************************************************//** +Report a failed assertion. */ +UNIV_INTERN +void +ut_dbg_assertion_failed( +/*====================*/ + const char* expr, /*!< in: the failed assertion */ + const char* file, /*!< in: source file containing the assertion */ + ulint line); /*!< in: line number of the assertion */ + +#ifdef __NETWARE__ +/** Flag for ignoring further assertion failures. This is set to TRUE +when on NetWare there happens an InnoDB assertion failure or other +fatal error condition that requires an immediate shutdown. */ +extern ibool panic_shutdown; +/* Abort the execution. */ +void ut_dbg_panic(void); +# define UT_DBG_PANIC ut_dbg_panic() +/* Stop threads in ut_a(). */ +# define UT_DBG_STOP do {} while (0) /* We do not do this on NetWare */ +#else /* __NETWARE__ */ +# if defined(__WIN__) || defined(__INTEL_COMPILER) +# undef UT_DBG_USE_ABORT +# elif defined(__GNUC__) && (__GNUC__ > 2) +# define UT_DBG_USE_ABORT +# endif + +# ifndef UT_DBG_USE_ABORT +/** A null pointer that will be dereferenced to trigger a memory trap */ +extern ulint* ut_dbg_null_ptr; +# endif + +# if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) +/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads +will stop at the next ut_a() or ut_ad(). */ +extern ibool ut_dbg_stop_threads; + +/*************************************************************//** +Stop a thread after assertion failure. */ +UNIV_INTERN +void +ut_dbg_stop_thread( +/*===============*/ + const char* file, + ulint line); +# endif + +# ifdef UT_DBG_USE_ABORT +/** Abort the execution. */ +# define UT_DBG_PANIC abort() +/** Stop threads (null operation) */ +# define UT_DBG_STOP do {} while (0) +# else /* UT_DBG_USE_ABORT */ +/** Abort the execution. */ +# define UT_DBG_PANIC \ + if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL +/** Stop threads in ut_a(). */ +# define UT_DBG_STOP do \ + if (UNIV_UNLIKELY(ut_dbg_stop_threads)) { \ + ut_dbg_stop_thread(__FILE__, (ulint) __LINE__); \ + } while (0) +# endif /* UT_DBG_USE_ABORT */ +#endif /* __NETWARE__ */ + +/** Abort execution if EXPR does not evaluate to nonzero. +@param EXPR assertion expression that should hold */ +#define ut_a(EXPR) do { \ + if (UT_DBG_FAIL(EXPR)) { \ + ut_dbg_assertion_failed(#EXPR, \ + __FILE__, (ulint) __LINE__); \ + UT_DBG_PANIC; \ + } \ + UT_DBG_STOP; \ +} while (0) + +/** Abort execution. */ +#define ut_error do { \ + ut_dbg_assertion_failed(0, __FILE__, (ulint) __LINE__); \ + UT_DBG_PANIC; \ +} while (0) + +#ifdef UNIV_DEBUG +/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ +#define ut_ad(EXPR) ut_a(EXPR) +/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ +#define ut_d(EXPR) do {EXPR;} while (0) +#else +/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ +#define ut_ad(EXPR) +/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ +#define ut_d(EXPR) +#endif + +/** Silence warnings about an unused variable by doing a null assignment. +@param A the unused variable */ +#define UT_NOT_USED(A) A = A + +#ifdef UNIV_COMPILE_TEST_FUNCS + +#include +#include +#include + +/** structure used for recording usage statistics */ +typedef struct speedo_struct { + struct rusage ru; /*!< getrusage() result */ + struct timeval tv; /*!< gettimeofday() result */ +} speedo_t; + +/*******************************************************************//** +Resets a speedo (records the current time in it). */ +UNIV_INTERN +void +speedo_reset( +/*=========*/ + speedo_t* speedo); /*!< out: speedo */ + +/*******************************************************************//** +Shows the time elapsed and usage statistics since the last reset of a +speedo. */ +UNIV_INTERN +void +speedo_show( +/*========*/ + const speedo_t* speedo); /*!< in: speedo */ + +#endif /* UNIV_COMPILE_TEST_FUNCS */ + +#endif diff --git a/perfschema/include/ut0list.h b/perfschema/include/ut0list.h new file mode 100644 index 00000000000..ec67f4e2a0f --- /dev/null +++ b/perfschema/include/ut0list.h @@ -0,0 +1,172 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0list.h +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/*******************************************************************//** +A double-linked list. This differs from the one in ut0lst.h in that in this +one, each list node contains a pointer to the data, whereas the one in +ut0lst.h uses a strategy where the list pointers are embedded in the data +items themselves. + +Use this one when you need to store arbitrary data in the list where you +can't embed the list pointers in the data, if a data item needs to be +stored in multiple lists, etc. + +Note about the memory management: ib_list_t is a fixed-size struct whose +allocation/deallocation is done through ib_list_create/ib_list_free, but the +memory for the list nodes is allocated through a user-given memory heap, +which can either be the same for all nodes or vary per node. Most users will +probably want to create a memory heap to store the item-specific data, and +pass in this same heap to the list node creation functions, thus +automatically freeing the list node when the item's heap is freed. + +************************************************************************/ + +#ifndef IB_LIST_H +#define IB_LIST_H + +#include "mem0mem.h" + +typedef struct ib_list_struct ib_list_t; +typedef struct ib_list_node_struct ib_list_node_t; +typedef struct ib_list_helper_struct ib_list_helper_t; + +/****************************************************************//** +Create a new list using mem_alloc. Lists created with this function must be +freed with ib_list_free. +@return list */ +UNIV_INTERN +ib_list_t* +ib_list_create(void); +/*=================*/ + + +/****************************************************************//** +Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for +lists created with this function. +@return list */ +UNIV_INTERN +ib_list_t* +ib_list_create_heap( +/*================*/ + mem_heap_t* heap); /*!< in: memory heap to use */ + +/****************************************************************//** +Free a list. */ +UNIV_INTERN +void +ib_list_free( +/*=========*/ + ib_list_t* list); /*!< in: list */ + +/****************************************************************//** +Add the data to the start of the list. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_first( +/*==============*/ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ + +/****************************************************************//** +Add the data to the end of the list. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_last( +/*=============*/ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ + +/****************************************************************//** +Add the data after the indicated node. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_after( +/*==============*/ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* prev_node, /*!< in: node preceding new node (can + be NULL) */ + void* data, /*!< in: data */ + mem_heap_t* heap); /*!< in: memory heap to use */ + +/****************************************************************//** +Remove the node from the list. */ +UNIV_INTERN +void +ib_list_remove( +/*===========*/ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* node); /*!< in: node to remove */ + +/****************************************************************//** +Get the first node in the list. +@return first node, or NULL */ +UNIV_INLINE +ib_list_node_t* +ib_list_get_first( +/*==============*/ + ib_list_t* list); /*!< in: list */ + +/****************************************************************//** +Get the last node in the list. +@return last node, or NULL */ +UNIV_INLINE +ib_list_node_t* +ib_list_get_last( +/*=============*/ + ib_list_t* list); /*!< in: list */ + +/* List. */ +struct ib_list_struct { + ib_list_node_t* first; /*!< first node */ + ib_list_node_t* last; /*!< last node */ + ibool is_heap_list; /*!< TRUE if this list was + allocated through a heap */ +}; + +/* A list node. */ +struct ib_list_node_struct { + ib_list_node_t* prev; /*!< previous node */ + ib_list_node_t* next; /*!< next node */ + void* data; /*!< user data */ +}; + +/* Quite often, the only additional piece of data you need is the per-item +memory heap, so we have this generic struct available to use in those +cases. */ +struct ib_list_helper_struct { + mem_heap_t* heap; /*!< memory heap */ + void* data; /*!< user data */ +}; + +#ifndef UNIV_NONINL +#include "ut0list.ic" +#endif + +#endif diff --git a/perfschema/include/ut0list.ic b/perfschema/include/ut0list.ic new file mode 100644 index 00000000000..eb5c62796e8 --- /dev/null +++ b/perfschema/include/ut0list.ic @@ -0,0 +1,48 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0list.ic +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** +Get the first node in the list. +@return first node, or NULL */ +UNIV_INLINE +ib_list_node_t* +ib_list_get_first( +/*==============*/ + ib_list_t* list) /*!< in: list */ +{ + return(list->first); +} + +/****************************************************************//** +Get the last node in the list. +@return last node, or NULL */ +UNIV_INLINE +ib_list_node_t* +ib_list_get_last( +/*=============*/ + ib_list_t* list) /*!< in: list */ +{ + return(list->last); +} diff --git a/perfschema/include/ut0lst.h b/perfschema/include/ut0lst.h new file mode 100644 index 00000000000..261d33963dc --- /dev/null +++ b/perfschema/include/ut0lst.h @@ -0,0 +1,261 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/ut0lst.h +List utilities + +Created 9/10/1995 Heikki Tuuri +***********************************************************************/ + +#ifndef ut0lst_h +#define ut0lst_h + +#include "univ.i" + +/* This module implements the two-way linear list which should be used +if a list is used in the database. Note that a single struct may belong +to two or more lists, provided that the list are given different names. +An example of the usage of the lists can be found in fil0fil.c. */ + +/*******************************************************************//** +This macro expands to the unnamed type definition of a struct which acts +as the two-way list base node. The base node contains pointers +to both ends of the list and a count of nodes in the list (excluding +the base node from the count). +@param TYPE the name of the list node data type */ +#define UT_LIST_BASE_NODE_T(TYPE)\ +struct {\ + ulint count; /*!< count of nodes in list */\ + TYPE * start; /*!< pointer to list start, NULL if empty */\ + TYPE * end; /*!< pointer to list end, NULL if empty */\ +}\ + +/*******************************************************************//** +This macro expands to the unnamed type definition of a struct which +should be embedded in the nodes of the list, the node type must be a struct. +This struct contains the pointers to next and previous nodes in the list. +The name of the field in the node struct should be the name given +to the list. +@param TYPE the list node type name */ +/* Example: +typedef struct LRU_node_struct LRU_node_t; +struct LRU_node_struct { + UT_LIST_NODE_T(LRU_node_t) LRU_list; + ... +} +The example implements an LRU list of name LRU_list. Its nodes are of type +LRU_node_t. */ + +#define UT_LIST_NODE_T(TYPE)\ +struct {\ + TYPE * prev; /*!< pointer to the previous node,\ + NULL if start of list */\ + TYPE * next; /*!< pointer to next node, NULL if end of list */\ +}\ + +/*******************************************************************//** +Initializes the base node of a two-way list. +@param BASE the list base node +*/ +#define UT_LIST_INIT(BASE)\ +{\ + (BASE).count = 0;\ + (BASE).start = NULL;\ + (BASE).end = NULL;\ +}\ + +/*******************************************************************//** +Adds the node as the first element in a two-way linked list. +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be added to the list. +*/ +#define UT_LIST_ADD_FIRST(NAME, BASE, N)\ +{\ + ut_ad(N);\ + ((BASE).count)++;\ + ((N)->NAME).next = (BASE).start;\ + ((N)->NAME).prev = NULL;\ + if (UNIV_LIKELY((BASE).start != NULL)) {\ + ut_ad((BASE).start != (N));\ + (((BASE).start)->NAME).prev = (N);\ + }\ + (BASE).start = (N);\ + if (UNIV_UNLIKELY((BASE).end == NULL)) {\ + (BASE).end = (N);\ + }\ +}\ + +/*******************************************************************//** +Adds the node as the last element in a two-way linked list. +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be added to the list +*/ +#define UT_LIST_ADD_LAST(NAME, BASE, N)\ +{\ + ut_ad(N);\ + ((BASE).count)++;\ + ((N)->NAME).prev = (BASE).end;\ + ((N)->NAME).next = NULL;\ + if ((BASE).end != NULL) {\ + ut_ad((BASE).end != (N));\ + (((BASE).end)->NAME).next = (N);\ + }\ + (BASE).end = (N);\ + if ((BASE).start == NULL) {\ + (BASE).start = (N);\ + }\ +}\ + +/*******************************************************************//** +Inserts a NODE2 after NODE1 in a list. +@param NAME list name +@param BASE the base node (not a pointer to it) +@param NODE1 pointer to node after which NODE2 is inserted +@param NODE2 pointer to node being inserted after NODE1 +*/ +#define UT_LIST_INSERT_AFTER(NAME, BASE, NODE1, NODE2)\ +{\ + ut_ad(NODE1);\ + ut_ad(NODE2);\ + ut_ad((NODE1) != (NODE2));\ + ((BASE).count)++;\ + ((NODE2)->NAME).prev = (NODE1);\ + ((NODE2)->NAME).next = ((NODE1)->NAME).next;\ + if (((NODE1)->NAME).next != NULL) {\ + ((((NODE1)->NAME).next)->NAME).prev = (NODE2);\ + }\ + ((NODE1)->NAME).next = (NODE2);\ + if ((BASE).end == (NODE1)) {\ + (BASE).end = (NODE2);\ + }\ +}\ + +#ifdef UNIV_LIST_DEBUG +/** Invalidate the pointers in a list node. +@param NAME list name +@param N pointer to the node that was removed */ +# define UT_LIST_REMOVE_CLEAR(NAME, N) \ +((N)->NAME.prev = (N)->NAME.next = (void*) -1) +#else +/** Invalidate the pointers in a list node. +@param NAME list name +@param N pointer to the node that was removed */ +# define UT_LIST_REMOVE_CLEAR(NAME, N) while (0) +#endif + +/*******************************************************************//** +Removes a node from a two-way linked list. +@param NAME list name +@param BASE the base node (not a pointer to it) +@param N pointer to the node to be removed from the list +*/ +#define UT_LIST_REMOVE(NAME, BASE, N) \ +do { \ + ut_ad(N); \ + ut_a((BASE).count > 0); \ + ((BASE).count)--; \ + if (((N)->NAME).next != NULL) { \ + ((((N)->NAME).next)->NAME).prev = ((N)->NAME).prev; \ + } else { \ + (BASE).end = ((N)->NAME).prev; \ + } \ + if (((N)->NAME).prev != NULL) { \ + ((((N)->NAME).prev)->NAME).next = ((N)->NAME).next; \ + } else { \ + (BASE).start = ((N)->NAME).next; \ + } \ + UT_LIST_REMOVE_CLEAR(NAME, N); \ +} while (0) + +/********************************************************************//** +Gets the next node in a two-way list. +@param NAME list name +@param N pointer to a node +@return the successor of N in NAME, or NULL */ +#define UT_LIST_GET_NEXT(NAME, N)\ + (((N)->NAME).next) + +/********************************************************************//** +Gets the previous node in a two-way list. +@param NAME list name +@param N pointer to a node +@return the predecessor of N in NAME, or NULL */ +#define UT_LIST_GET_PREV(NAME, N)\ + (((N)->NAME).prev) + +/********************************************************************//** +Alternative macro to get the number of nodes in a two-way list, i.e., +its length. +@param BASE the base node (not a pointer to it). +@return the number of nodes in the list */ +#define UT_LIST_GET_LEN(BASE)\ + (BASE).count + +/********************************************************************//** +Gets the first node in a two-way list. +@param BASE the base node (not a pointer to it) +@return first node, or NULL if the list is empty */ +#define UT_LIST_GET_FIRST(BASE)\ + (BASE).start + +/********************************************************************//** +Gets the last node in a two-way list. +@param BASE the base node (not a pointer to it) +@return last node, or NULL if the list is empty */ +#define UT_LIST_GET_LAST(BASE)\ + (BASE).end + +/********************************************************************//** +Checks the consistency of a two-way list. +@param NAME the name of the list +@param TYPE node type +@param BASE base node (not a pointer to it) +@param ASSERTION a condition on ut_list_node_313 */ +#define UT_LIST_VALIDATE(NAME, TYPE, BASE, ASSERTION) \ +do { \ + ulint ut_list_i_313; \ + TYPE* ut_list_node_313; \ + \ + ut_list_node_313 = (BASE).start; \ + \ + for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ + ut_a(ut_list_node_313); \ + ASSERTION; \ + ut_ad((ut_list_node_313->NAME).next || !ut_list_i_313); \ + ut_list_node_313 = (ut_list_node_313->NAME).next; \ + } \ + \ + ut_a(ut_list_node_313 == NULL); \ + \ + ut_list_node_313 = (BASE).end; \ + \ + for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ + ut_a(ut_list_node_313); \ + ASSERTION; \ + ut_ad((ut_list_node_313->NAME).prev || !ut_list_i_313); \ + ut_list_node_313 = (ut_list_node_313->NAME).prev; \ + } \ + \ + ut_a(ut_list_node_313 == NULL); \ +} while (0) + +#endif + diff --git a/perfschema/include/ut0mem.h b/perfschema/include/ut0mem.h new file mode 100644 index 00000000000..cf41cba4643 --- /dev/null +++ b/perfschema/include/ut0mem.h @@ -0,0 +1,306 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0mem.h +Memory primitives + +Created 5/30/1994 Heikki Tuuri +************************************************************************/ + +#ifndef ut0mem_h +#define ut0mem_h + +#include "univ.i" +#include +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" + +/** The total amount of memory currently allocated from the operating +system with os_mem_alloc_large() or malloc(). Does not count malloc() +if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ +extern ulint ut_total_allocated_memory; + +/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +extern os_fast_mutex_t ut_list_mutex; +#endif /* !UNIV_HOTBACKUP */ + +/** Wrapper for memcpy(3). Copy memory area when the source and +target are not overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ +UNIV_INLINE +void* +ut_memcpy(void* dest, const void* sour, ulint n); + +/** Wrapper for memmove(3). Copy memory area when the source and +target are overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ +UNIV_INLINE +void* +ut_memmove(void* dest, const void* sour, ulint n); + +/** Wrapper for memcmp(3). Compare memory areas. +* @param str1 in: first memory block to compare +* @param str2 in: second memory block to compare +* @param n in: number of bytes to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ +UNIV_INLINE +int +ut_memcmp(const void* str1, const void* str2, ulint n); + +/**********************************************************************//** +Initializes the mem block list at database startup. */ +UNIV_INTERN +void +ut_mem_init(void); +/*=============*/ + +/**********************************************************************//** +Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is +defined and set_to_zero is TRUE. +@return own: allocated memory */ +UNIV_INTERN +void* +ut_malloc_low( +/*==========*/ + ulint n, /*!< in: number of bytes to allocate */ + ibool set_to_zero, /*!< in: TRUE if allocated memory + should be set to zero if + UNIV_SET_MEM_TO_ZERO is defined */ + ibool assert_on_error); /*!< in: if TRUE, we crash mysqld if + the memory cannot be allocated */ +/**********************************************************************//** +Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is +defined. +@return own: allocated memory */ +UNIV_INTERN +void* +ut_malloc( +/*======*/ + ulint n); /*!< in: number of bytes to allocate */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs +out. It cannot be used if we want to return an error message. Prints to +stderr a message if fails. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +ut_test_malloc( +/*===========*/ + ulint n); /*!< in: try to allocate this many bytes */ +#endif /* !UNIV_HOTBACKUP */ +/**********************************************************************//** +Frees a memory block allocated with ut_malloc. */ +UNIV_INTERN +void +ut_free( +/*====*/ + void* ptr); /*!< in, own: memory block */ +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not +use this function because the allocation functions in mem0mem.h are the +recommended ones in InnoDB. + +man realloc in Linux, 2004: + + realloc() changes the size of the memory block pointed to + by ptr to size bytes. The contents will be unchanged to + the minimum of the old and new sizes; newly allocated mem­ + ory will be uninitialized. If ptr is NULL, the call is + equivalent to malloc(size); if size is equal to zero, the + call is equivalent to free(ptr). Unless ptr is NULL, it + must have been returned by an earlier call to malloc(), + calloc() or realloc(). + +RETURN VALUE + realloc() returns a pointer to the newly allocated memory, + which is suitably aligned for any kind of variable and may + be different from ptr, or NULL if the request fails. If + size was equal to 0, either NULL or a pointer suitable to + be passed to free() is returned. If realloc() fails the + original block is left untouched - it is not freed or + moved. +@return own: pointer to new mem block or NULL */ +UNIV_INTERN +void* +ut_realloc( +/*=======*/ + void* ptr, /*!< in: pointer to old block or NULL */ + ulint size); /*!< in: desired size */ +/**********************************************************************//** +Frees in shutdown all allocated memory not freed yet. */ +UNIV_INTERN +void +ut_free_all_mem(void); +/*=================*/ +#endif /* !UNIV_HOTBACKUP */ + +/** Wrapper for strcpy(3). Copy a NUL-terminated string. +* @param dest in: copy to +* @param sour in: copy from +* @return dest */ +UNIV_INLINE +char* +ut_strcpy(char* dest, const char* sour); + +/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. +* @param str in: string +* @return length of the string in bytes, excluding the terminating NUL */ +UNIV_INLINE +ulint +ut_strlen(const char* str); + +/** Wrapper for strcmp(3). Compare NUL-terminated strings. +* @param str1 in: first string to compare +* @param str2 in: second string to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ +UNIV_INLINE +int +ut_strcmp(const char* str1, const char* str2); + +/**********************************************************************//** +Copies up to size - 1 characters from the NUL-terminated string src to +dst, NUL-terminating the result. Returns strlen(src), so truncation +occurred if the return value >= size. +@return strlen(src) */ +UNIV_INTERN +ulint +ut_strlcpy( +/*=======*/ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size); /*!< in: size of destination buffer */ + +/**********************************************************************//** +Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last +(size - 1) bytes of src, not the first. +@return strlen(src) */ +UNIV_INTERN +ulint +ut_strlcpy_rev( +/*===========*/ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size); /*!< in: size of destination buffer */ + +/**********************************************************************//** +Compute strlen(ut_strcpyq(str, q)). +@return length of the string when quoted */ +UNIV_INLINE +ulint +ut_strlenq( +/*=======*/ + const char* str, /*!< in: null-terminated string */ + char q); /*!< in: the quote character */ + +/**********************************************************************//** +Make a quoted copy of a NUL-terminated string. Leading and trailing +quotes will not be included; only embedded quotes will be escaped. +See also ut_strlenq() and ut_memcpyq(). +@return pointer to end of dest */ +UNIV_INTERN +char* +ut_strcpyq( +/*=======*/ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src); /*!< in: null-terminated string */ + +/**********************************************************************//** +Make a quoted copy of a fixed-length string. Leading and trailing +quotes will not be included; only embedded quotes will be escaped. +See also ut_strlenq() and ut_strcpyq(). +@return pointer to end of dest */ +UNIV_INTERN +char* +ut_memcpyq( +/*=======*/ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src, /*!< in: string to be quoted */ + ulint len); /*!< in: length of src */ + +/**********************************************************************//** +Return the number of times s2 occurs in s1. Overlapping instances of s2 +are only counted once. +@return the number of times s2 occurs in s1 */ +UNIV_INTERN +ulint +ut_strcount( +/*========*/ + const char* s1, /*!< in: string to search in */ + const char* s2); /*!< in: string to search for */ + +/**********************************************************************//** +Replace every occurrence of s1 in str with s2. Overlapping instances of s1 +are only replaced once. +@return own: modified string, must be freed with mem_free() */ +UNIV_INTERN +char* +ut_strreplace( +/*==========*/ + const char* str, /*!< in: string to operate on */ + const char* s1, /*!< in: string to replace */ + const char* s2); /*!< in: string to replace s1 with */ + +/**********************************************************************//** +Converts a raw binary data to a NUL-terminated hex string. The output is +truncated if there is not enough space in "hex", make sure "hex_size" is at +least (2 * raw_size + 1) if you do not want this to happen. Returns the +actual number of characters written to "hex" (including the NUL). +@return number of chars written */ +UNIV_INLINE +ulint +ut_raw_to_hex( +/*==========*/ + const void* raw, /*!< in: raw data */ + ulint raw_size, /*!< in: "raw" length in bytes */ + char* hex, /*!< out: hex string */ + ulint hex_size); /*!< in: "hex" size in bytes */ + +/*******************************************************************//** +Adds single quotes to the start and end of string and escapes any quotes +by doubling them. Returns the number of bytes that were written to "buf" +(including the terminating NUL). If buf_size is too small then the +trailing bytes from "str" are discarded. +@return number of bytes that were written */ +UNIV_INLINE +ulint +ut_str_sql_format( +/*==============*/ + const char* str, /*!< in: string */ + ulint str_len, /*!< in: string length in bytes */ + char* buf, /*!< out: output buffer */ + ulint buf_size); /*!< in: output buffer size + in bytes */ + +#ifndef UNIV_NONINL +#include "ut0mem.ic" +#endif + +#endif diff --git a/perfschema/include/ut0mem.ic b/perfschema/include/ut0mem.ic new file mode 100644 index 00000000000..f36c28f1989 --- /dev/null +++ b/perfschema/include/ut0mem.ic @@ -0,0 +1,338 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0mem.ic +Memory primitives + +Created 5/30/1994 Heikki Tuuri +************************************************************************/ + +#include "ut0byte.h" +#include "mach0data.h" + +/** Wrapper for memcpy(3). Copy memory area when the source and +target are not overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ +UNIV_INLINE +void* +ut_memcpy(void* dest, const void* sour, ulint n) +{ + return(memcpy(dest, sour, n)); +} + +/** Wrapper for memmove(3). Copy memory area when the source and +target are overlapping. +* @param dest in: copy to +* @param sour in: copy from +* @param n in: number of bytes to copy +* @return dest */ +UNIV_INLINE +void* +ut_memmove(void* dest, const void* sour, ulint n) +{ + return(memmove(dest, sour, n)); +} + +/** Wrapper for memcmp(3). Compare memory areas. +* @param str1 in: first memory block to compare +* @param str2 in: second memory block to compare +* @param n in: number of bytes to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ +UNIV_INLINE +int +ut_memcmp(const void* str1, const void* str2, ulint n) +{ + return(memcmp(str1, str2, n)); +} + +/** Wrapper for strcpy(3). Copy a NUL-terminated string. +* @param dest in: copy to +* @param sour in: copy from +* @return dest */ +UNIV_INLINE +char* +ut_strcpy(char* dest, const char* sour) +{ + return(strcpy(dest, sour)); +} + +/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. +* @param str in: string +* @return length of the string in bytes, excluding the terminating NUL */ +UNIV_INLINE +ulint +ut_strlen(const char* str) +{ + return(strlen(str)); +} + +/** Wrapper for strcmp(3). Compare NUL-terminated strings. +* @param str1 in: first string to compare +* @param str2 in: second string to compare +* @return negative, 0, or positive if str1 is smaller, equal, + or greater than str2, respectively. */ +UNIV_INLINE +int +ut_strcmp(const char* str1, const char* str2) +{ + return(strcmp(str1, str2)); +} + +/**********************************************************************//** +Compute strlen(ut_strcpyq(str, q)). +@return length of the string when quoted */ +UNIV_INLINE +ulint +ut_strlenq( +/*=======*/ + const char* str, /*!< in: null-terminated string */ + char q) /*!< in: the quote character */ +{ + ulint len; + + for (len = 0; *str; len++, str++) { + if (*str == q) { + len++; + } + } + + return(len); +} + +/**********************************************************************//** +Converts a raw binary data to a NUL-terminated hex string. The output is +truncated if there is not enough space in "hex", make sure "hex_size" is at +least (2 * raw_size + 1) if you do not want this to happen. Returns the +actual number of characters written to "hex" (including the NUL). +@return number of chars written */ +UNIV_INLINE +ulint +ut_raw_to_hex( +/*==========*/ + const void* raw, /*!< in: raw data */ + ulint raw_size, /*!< in: "raw" length in bytes */ + char* hex, /*!< out: hex string */ + ulint hex_size) /*!< in: "hex" size in bytes */ +{ + +#ifdef WORDS_BIGENDIAN + +#define MK_UINT16(a, b) (((uint16) (a)) << 8 | (uint16) (b)) + +#define UINT16_GET_A(u) ((unsigned char) ((u) >> 8)) +#define UINT16_GET_B(u) ((unsigned char) ((u) & 0xFF)) + +#else /* WORDS_BIGENDIAN */ + +#define MK_UINT16(a, b) (((uint16) (b)) << 8 | (uint16) (a)) + +#define UINT16_GET_A(u) ((unsigned char) ((u) & 0xFF)) +#define UINT16_GET_B(u) ((unsigned char) ((u) >> 8)) + +#endif /* WORDS_BIGENDIAN */ + +#define MK_ALL_UINT16_WITH_A(a) \ + MK_UINT16(a, '0'), \ + MK_UINT16(a, '1'), \ + MK_UINT16(a, '2'), \ + MK_UINT16(a, '3'), \ + MK_UINT16(a, '4'), \ + MK_UINT16(a, '5'), \ + MK_UINT16(a, '6'), \ + MK_UINT16(a, '7'), \ + MK_UINT16(a, '8'), \ + MK_UINT16(a, '9'), \ + MK_UINT16(a, 'A'), \ + MK_UINT16(a, 'B'), \ + MK_UINT16(a, 'C'), \ + MK_UINT16(a, 'D'), \ + MK_UINT16(a, 'E'), \ + MK_UINT16(a, 'F') + + static const uint16 hex_map[256] = { + MK_ALL_UINT16_WITH_A('0'), + MK_ALL_UINT16_WITH_A('1'), + MK_ALL_UINT16_WITH_A('2'), + MK_ALL_UINT16_WITH_A('3'), + MK_ALL_UINT16_WITH_A('4'), + MK_ALL_UINT16_WITH_A('5'), + MK_ALL_UINT16_WITH_A('6'), + MK_ALL_UINT16_WITH_A('7'), + MK_ALL_UINT16_WITH_A('8'), + MK_ALL_UINT16_WITH_A('9'), + MK_ALL_UINT16_WITH_A('A'), + MK_ALL_UINT16_WITH_A('B'), + MK_ALL_UINT16_WITH_A('C'), + MK_ALL_UINT16_WITH_A('D'), + MK_ALL_UINT16_WITH_A('E'), + MK_ALL_UINT16_WITH_A('F') + }; + const unsigned char* rawc; + ulint read_bytes; + ulint write_bytes; + ulint i; + + rawc = (const unsigned char*) raw; + + if (hex_size == 0) { + + return(0); + } + + if (hex_size <= 2 * raw_size) { + + read_bytes = hex_size / 2; + write_bytes = hex_size; + } else { + + read_bytes = raw_size; + write_bytes = 2 * raw_size + 1; + } + +#define LOOP_READ_BYTES(ASSIGN) \ + for (i = 0; i < read_bytes; i++) { \ + ASSIGN; \ + hex += 2; \ + rawc++; \ + } + + if (ut_align_offset(hex, 2) == 0) { + + LOOP_READ_BYTES( + *(uint16*) hex = hex_map[*rawc] + ); + } else { + + LOOP_READ_BYTES( + *hex = UINT16_GET_A(hex_map[*rawc]); + *(hex + 1) = UINT16_GET_B(hex_map[*rawc]) + ); + } + + if (hex_size <= 2 * raw_size && hex_size % 2 == 0) { + + hex--; + } + + *hex = '\0'; + + return(write_bytes); +} + +/*******************************************************************//** +Adds single quotes to the start and end of string and escapes any quotes +by doubling them. Returns the number of bytes that were written to "buf" +(including the terminating NUL). If buf_size is too small then the +trailing bytes from "str" are discarded. +@return number of bytes that were written */ +UNIV_INLINE +ulint +ut_str_sql_format( +/*==============*/ + const char* str, /*!< in: string */ + ulint str_len, /*!< in: string length in bytes */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size + in bytes */ +{ + ulint str_i; + ulint buf_i; + + buf_i = 0; + + switch (buf_size) { + case 3: + + if (str_len == 0) { + + buf[buf_i] = '\''; + buf_i++; + buf[buf_i] = '\''; + buf_i++; + } + /* FALLTHROUGH */ + case 2: + case 1: + + buf[buf_i] = '\0'; + buf_i++; + /* FALLTHROUGH */ + case 0: + + return(buf_i); + } + + /* buf_size >= 4 */ + + buf[0] = '\''; + buf_i = 1; + + for (str_i = 0; str_i < str_len; str_i++) { + + char ch; + + if (buf_size - buf_i == 2) { + + break; + } + + ch = str[str_i]; + + switch (ch) { + case '\0': + + if (UNIV_UNLIKELY(buf_size - buf_i < 4)) { + + goto func_exit; + } + buf[buf_i] = '\\'; + buf_i++; + buf[buf_i] = '0'; + buf_i++; + break; + case '\'': + case '\\': + + if (UNIV_UNLIKELY(buf_size - buf_i < 4)) { + + goto func_exit; + } + buf[buf_i] = ch; + buf_i++; + /* FALLTHROUGH */ + default: + + buf[buf_i] = ch; + buf_i++; + } + } + +func_exit: + + buf[buf_i] = '\''; + buf_i++; + buf[buf_i] = '\0'; + buf_i++; + + return(buf_i); +} diff --git a/perfschema/include/ut0rbt.h b/perfschema/include/ut0rbt.h new file mode 100644 index 00000000000..a35807be442 --- /dev/null +++ b/perfschema/include/ut0rbt.h @@ -0,0 +1,293 @@ +/****************************************************** +Red-Black tree implementation. +(c) 2007 Oracle/Innobase Oy + +Created 2007-03-20 Sunny Bains +*******************************************************/ + +#ifndef INNOBASE_UT0RBT_H +#define INNOBASE_UT0RBT_H + +#if !defined(IB_RBT_TESTING) +#include "univ.i" +#include "ut0mem.h" +#else +#include +#include +#include +#include + +#define ut_malloc malloc +#define ut_free free +#define ulint unsigned long +#define ut_a(c) assert(c) +#define ut_error assert(0) +#define ibool unsigned int +#define TRUE 1 +#define FALSE 0 +#endif + +/* Red black tree typedefs */ +typedef struct ib_rbt_struct ib_rbt_t; +typedef struct ib_rbt_node_struct ib_rbt_node_t; +// FIXME: Iterator is a better name than _bound_ +typedef struct ib_rbt_bound_struct ib_rbt_bound_t; +typedef void (*ib_rbt_print_node)(const ib_rbt_node_t* node); +typedef int (*ib_rbt_compare)(const void* p1, const void* p2); + +/* Red black tree color types */ +enum ib_rbt_color_enum { + IB_RBT_RED, + IB_RBT_BLACK +}; + +typedef enum ib_rbt_color_enum ib_rbt_color_t; + +/* Red black tree node */ +struct ib_rbt_node_struct { + ib_rbt_color_t color; /* color of this node */ + + ib_rbt_node_t* left; /* points left child */ + ib_rbt_node_t* right; /* points right child */ + ib_rbt_node_t* parent; /* points parent node */ + + char value[1]; /* Data value */ +}; + +/* Red black tree instance.*/ +struct ib_rbt_struct { + ib_rbt_node_t* nil; /* Black colored node that is + used as a sentinel. This is + pre-allocated too.*/ + + ib_rbt_node_t* root; /* Root of the tree, this is + pre-allocated and the first + data node is the left child.*/ + + ulint n_nodes; /* Total number of data nodes */ + + ib_rbt_compare compare; /* Fn. to use for comparison */ + ulint sizeof_value; /* Sizeof the item in bytes */ +}; + +/* The result of searching for a key in the tree, this is useful for +a speedy lookup and insert if key doesn't exist.*/ +struct ib_rbt_bound_struct { + const ib_rbt_node_t* + last; /* Last node visited */ + + int result; /* Result of comparing with + the last non-nil node that + was visited */ +}; + +/* Size in elements (t is an rb tree instance) */ +#define rbt_size(t) (t->n_nodes) + +/* Check whether the rb tree is empty (t is an rb tree instance) */ +#define rbt_empty(t) (rbt_size(t) == 0) + +/* Get data value (t is the data type, n is an rb tree node instance) */ +#define rbt_value(t, n) ((t*) &n->value[0]) + +/* Compare a key with the node value (t is tree, k is key, n is node)*/ +#define rbt_compare(t, k, n) (t->compare(k, n->value)) + +/************************************************************************ +Free an instance of a red black tree */ +UNIV_INTERN +void +rbt_free( +/*=====*/ + ib_rbt_t* tree); /*!< in: rb tree to free */ +/************************************************************************ +Create an instance of a red black tree +@return rb tree instance */ +UNIV_INTERN +ib_rbt_t* +rbt_create( +/*=======*/ + size_t sizeof_value, /*!< in: size in bytes */ + ib_rbt_compare compare); /*!< in: comparator */ +/************************************************************************ +Delete a node from the red black tree, identified by key */ +UNIV_INTERN +ibool +rbt_delete( +/*=======*/ + /* in: TRUE on success */ + ib_rbt_t* tree, /* in: rb tree */ + const void* key); /* in: key to delete */ +/************************************************************************ +Remove a node from the red black tree, NOTE: This function will not delete +the node instance, THAT IS THE CALLERS RESPONSIBILITY. +@return the deleted node with the const. */ +UNIV_INTERN +ib_rbt_node_t* +rbt_remove_node( +/*============*/ + ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* + node); /*!< in: node to delete, this + is a fudge and declared const + because the caller has access + only to const nodes.*/ +/************************************************************************ +Return a node from the red black tree, identified by +key, NULL if not found +@return node if found else return NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_lookup( +/*=======*/ + const ib_rbt_t* tree, /*!< in: rb tree to search */ + const void* key); /*!< in: key to lookup */ +/************************************************************************ +Add data to the red black tree, identified by key (no dups yet!) +@return inserted node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_insert( +/*=======*/ + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key, /*!< in: key for ordering */ + const void* value); /*!< in: data that will be + copied to the node.*/ +/************************************************************************ +Add a new node to the tree, useful for data that is pre-sorted. +@return appended node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_add_node( +/*=========*/ + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: parent */ + const void* value); /*!< in: this value is copied + to the node */ +/************************************************************************ +Return the left most data node in the tree +@return left most node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_first( +/*======*/ + const ib_rbt_t* tree); /*!< in: rb tree */ +/************************************************************************ +Return the right most data node in the tree +@return right most node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_last( +/*=====*/ + const ib_rbt_t* tree); /*!< in: rb tree */ +/************************************************************************ +Return the next node from current. +@return successor node to current that is passed in. */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_next( +/*=====*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* /* in: current node */ + current); +/************************************************************************ +Return the prev node from current. +@return precedessor node to current that is passed in */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_prev( +/*=====*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* /* in: current node */ + current); +/************************************************************************ +Find the node that has the lowest key that is >= key. +@return node that satisfies the lower bound constraint or NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_lower_bound( +/*============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key); /*!< in: key to search */ +/************************************************************************ +Find the node that has the greatest key that is <= key. +@return node that satisifies the upper bound constraint or NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_upper_bound( +/*============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key); /*!< in: key to search */ +/************************************************************************ +Search for the key, a node will be retuned in parent.last, whether it +was found or not. If not found then parent.last will contain the +parent node for the possibly new key otherwise the matching node. +@return result of last comparison */ +UNIV_INTERN +int +rbt_search( +/*=======*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key); /*!< in: key to search */ +/************************************************************************ +Search for the key, a node will be retuned in parent.last, whether it +was found or not. If not found then parent.last will contain the +parent node for the possibly new key otherwise the matching node. +@return result of last comparison */ +UNIV_INTERN +int +rbt_search_cmp( +/*===========*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key, /*!< in: key to search */ + ib_rbt_compare compare); /*!< in: comparator */ +/************************************************************************ +Clear the tree, deletes (and free's) all the nodes. */ +UNIV_INTERN +void +rbt_clear( +/*======*/ + ib_rbt_t* tree); /*!< in: rb tree */ +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +@return no. of recs merged */ +UNIV_INTERN +ulint +rbt_merge_uniq( +/*===========*/ + ib_rbt_t* dst, /*!< in: dst rb tree */ + const ib_rbt_t* src); /*!< in: src rb tree */ +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +Delete the nodes from src after copying node to dst. As a side effect +the duplicates will be left untouched in the src, since we don't support +duplicates (yet). NOTE: src and dst must be similar, the function doesn't +check for this condition (yet). +@return no. of recs merged */ +UNIV_INTERN +ulint +rbt_merge_uniq_destructive( +/*=======================*/ + ib_rbt_t* dst, /*!< in: dst rb tree */ + ib_rbt_t* src); /*!< in: src rb tree */ +/************************************************************************ +Verify the integrity of the RB tree. For debugging. 0 failure else height +of tree (in count of black nodes). +@return TRUE if OK FALSE if tree invalid. */ +UNIV_INTERN +ibool +rbt_validate( +/*=========*/ + const ib_rbt_t* tree); /*!< in: tree to validate */ +/************************************************************************ +Iterate over the tree in depth first order. */ +UNIV_INTERN +void +rbt_print( +/*======*/ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + ib_rbt_print_node print); /*!< in: print function */ + +#endif /* INNOBASE_UT0RBT_H */ diff --git a/perfschema/include/ut0rnd.h b/perfschema/include/ut0rnd.h new file mode 100644 index 00000000000..ce5152e942f --- /dev/null +++ b/perfschema/include/ut0rnd.h @@ -0,0 +1,143 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/ut0rnd.h +Random numbers and hashing + +Created 1/20/1994 Heikki Tuuri +***********************************************************************/ + +#ifndef ut0rnd_h +#define ut0rnd_h + +#include "univ.i" + +#include "ut0byte.h" + +/** The 'character code' for end of field or string (used +in folding records */ +#define UT_END_OF_FIELD 257 + +/********************************************************//** +This is used to set the random number seed. */ +UNIV_INLINE +void +ut_rnd_set_seed( +/*============*/ + ulint seed); /*!< in: seed */ +/********************************************************//** +The following function generates a series of 'random' ulint integers. +@return the next 'random' number */ +UNIV_INLINE +ulint +ut_rnd_gen_next_ulint( +/*==================*/ + ulint rnd); /*!< in: the previous random number value */ +/*********************************************************//** +The following function generates 'random' ulint integers which +enumerate the value space (let there be N of them) of ulint integers +in a pseudo-random fashion. Note that the same integer is repeated +always after N calls to the generator. +@return the 'random' number */ +UNIV_INLINE +ulint +ut_rnd_gen_ulint(void); +/*==================*/ +/********************************************************//** +Generates a random integer from a given interval. +@return the 'random' number */ +UNIV_INLINE +ulint +ut_rnd_interval( +/*============*/ + ulint low, /*!< in: low limit; can generate also this value */ + ulint high); /*!< in: high limit; can generate also this value */ +/*********************************************************//** +Generates a random iboolean value. +@return the random value */ +UNIV_INLINE +ibool +ut_rnd_gen_ibool(void); +/*=================*/ +/*******************************************************//** +The following function generates a hash value for a ulint integer +to a hash table of size table_size, which should be a prime or some +random number to work reliably. +@return hash value */ +UNIV_INLINE +ulint +ut_hash_ulint( +/*==========*/ + ulint key, /*!< in: value to be hashed */ + ulint table_size); /*!< in: hash table size */ +/*************************************************************//** +Folds a pair of ulints. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_ulint_pair( +/*===============*/ + ulint n1, /*!< in: ulint */ + ulint n2) /*!< in: ulint */ + __attribute__((const)); +/*************************************************************//** +Folds a dulint. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_dulint( +/*===========*/ + dulint d) /*!< in: dulint */ + __attribute__((const)); +/*************************************************************//** +Folds a character string ending in the null character. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_string( +/*===========*/ + const char* str) /*!< in: null-terminated string */ + __attribute__((pure)); +/*************************************************************//** +Folds a binary string. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_binary( +/*===========*/ + const byte* str, /*!< in: string of bytes */ + ulint len) /*!< in: length */ + __attribute__((pure)); +/***********************************************************//** +Looks for a prime number slightly greater than the given argument. +The prime is chosen so that it is not near any power of 2. +@return prime */ +UNIV_INTERN +ulint +ut_find_prime( +/*==========*/ + ulint n) /*!< in: positive number > 100 */ + __attribute__((const)); + + +#ifndef UNIV_NONINL +#include "ut0rnd.ic" +#endif + +#endif diff --git a/perfschema/include/ut0rnd.ic b/perfschema/include/ut0rnd.ic new file mode 100644 index 00000000000..763469142ec --- /dev/null +++ b/perfschema/include/ut0rnd.ic @@ -0,0 +1,230 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************************//** +@file include/ut0rnd.ic +Random numbers and hashing + +Created 5/30/1994 Heikki Tuuri +*******************************************************************/ + +#define UT_HASH_RANDOM_MASK 1463735687 +#define UT_HASH_RANDOM_MASK2 1653893711 +#define UT_RND1 151117737 +#define UT_RND2 119785373 +#define UT_RND3 85689495 +#define UT_RND4 76595339 +#define UT_SUM_RND2 98781234 +#define UT_SUM_RND3 126792457 +#define UT_SUM_RND4 63498502 +#define UT_XOR_RND1 187678878 +#define UT_XOR_RND2 143537923 + +/** Seed value of ut_rnd_gen_ulint() */ +extern ulint ut_rnd_ulint_counter; + +/********************************************************//** +This is used to set the random number seed. */ +UNIV_INLINE +void +ut_rnd_set_seed( +/*============*/ + ulint seed) /*!< in: seed */ +{ + ut_rnd_ulint_counter = seed; +} + +/********************************************************//** +The following function generates a series of 'random' ulint integers. +@return the next 'random' number */ +UNIV_INLINE +ulint +ut_rnd_gen_next_ulint( +/*==================*/ + ulint rnd) /*!< in: the previous random number value */ +{ + ulint n_bits; + + n_bits = 8 * sizeof(ulint); + + rnd = UT_RND2 * rnd + UT_SUM_RND3; + rnd = UT_XOR_RND1 ^ rnd; + rnd = (rnd << 20) + (rnd >> (n_bits - 20)); + rnd = UT_RND3 * rnd + UT_SUM_RND4; + rnd = UT_XOR_RND2 ^ rnd; + rnd = (rnd << 20) + (rnd >> (n_bits - 20)); + rnd = UT_RND1 * rnd + UT_SUM_RND2; + + return(rnd); +} + +/********************************************************//** +The following function generates 'random' ulint integers which +enumerate the value space of ulint integers in a pseudo random +fashion. Note that the same integer is repeated always after +2 to power 32 calls to the generator (if ulint is 32-bit). +@return the 'random' number */ +UNIV_INLINE +ulint +ut_rnd_gen_ulint(void) +/*==================*/ +{ + ulint rnd; + ulint n_bits; + + n_bits = 8 * sizeof(ulint); + + ut_rnd_ulint_counter = UT_RND1 * ut_rnd_ulint_counter + UT_RND2; + + rnd = ut_rnd_gen_next_ulint(ut_rnd_ulint_counter); + + return(rnd); +} + +/********************************************************//** +Generates a random integer from a given interval. +@return the 'random' number */ +UNIV_INLINE +ulint +ut_rnd_interval( +/*============*/ + ulint low, /*!< in: low limit; can generate also this value */ + ulint high) /*!< in: high limit; can generate also this value */ +{ + ulint rnd; + + ut_ad(high >= low); + + if (low == high) { + + return(low); + } + + rnd = ut_rnd_gen_ulint(); + + return(low + (rnd % (high - low + 1))); +} + +/*********************************************************//** +Generates a random iboolean value. +@return the random value */ +UNIV_INLINE +ibool +ut_rnd_gen_ibool(void) +/*=================*/ +{ + ulint x; + + x = ut_rnd_gen_ulint(); + + if (((x >> 20) + (x >> 15)) & 1) { + + return(TRUE); + } + + return(FALSE); +} + +/*******************************************************//** +The following function generates a hash value for a ulint integer +to a hash table of size table_size, which should be a prime +or some random number for the hash table to work reliably. +@return hash value */ +UNIV_INLINE +ulint +ut_hash_ulint( +/*==========*/ + ulint key, /*!< in: value to be hashed */ + ulint table_size) /*!< in: hash table size */ +{ + key = key ^ UT_HASH_RANDOM_MASK2; + + return(key % table_size); +} + +/*************************************************************//** +Folds a pair of ulints. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_ulint_pair( +/*===============*/ + ulint n1, /*!< in: ulint */ + ulint n2) /*!< in: ulint */ +{ + return(((((n1 ^ n2 ^ UT_HASH_RANDOM_MASK2) << 8) + n1) + ^ UT_HASH_RANDOM_MASK) + n2); +} + +/*************************************************************//** +Folds a dulint. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_dulint( +/*===========*/ + dulint d) /*!< in: dulint */ +{ + return(ut_fold_ulint_pair(ut_dulint_get_low(d), + ut_dulint_get_high(d))); +} + +/*************************************************************//** +Folds a character string ending in the null character. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_string( +/*===========*/ + const char* str) /*!< in: null-terminated string */ +{ + ulint fold = 0; + + ut_ad(str); + + while (*str != '\0') { + fold = ut_fold_ulint_pair(fold, (ulint)(*str)); + str++; + } + + return(fold); +} + +/*************************************************************//** +Folds a binary string. +@return folded value */ +UNIV_INLINE +ulint +ut_fold_binary( +/*===========*/ + const byte* str, /*!< in: string of bytes */ + ulint len) /*!< in: length */ +{ + const byte* str_end = str + len; + ulint fold = 0; + + ut_ad(str || !len); + + while (str < str_end) { + fold = ut_fold_ulint_pair(fold, (ulint)(*str)); + + str++; + } + + return(fold); +} diff --git a/perfschema/include/ut0sort.h b/perfschema/include/ut0sort.h new file mode 100644 index 00000000000..5c6647dda9e --- /dev/null +++ b/perfschema/include/ut0sort.h @@ -0,0 +1,106 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/ut0sort.h +Sort utility + +Created 11/9/1995 Heikki Tuuri +***********************************************************************/ + +#ifndef ut0sort_h +#define ut0sort_h + +#include "univ.i" + +/* This module gives a macro definition of the body of +a standard sort function for an array of elements of any +type. The comparison function is given as a parameter to +the macro. The sort algorithm is mergesort which has logarithmic +worst case. +*/ + +/*******************************************************************//** +This macro expands to the body of a standard sort function. +The sort function uses mergesort and must be defined separately +for each type of array. +Also the comparison function has to be defined individually +for each array cell type. SORT_FUN is the sort function name. +The function takes the array to be sorted (ARR), +the array of auxiliary space (AUX_ARR) of same size, +and the low (LOW), inclusive, and high (HIGH), noninclusive, +limits for the sort interval as arguments. +CMP_FUN is the comparison function name. It takes as arguments +two elements from the array and returns 1, if the first is bigger, +0 if equal, and -1 if the second bigger. */ + +#define UT_SORT_FUNCTION_BODY(SORT_FUN, ARR, AUX_ARR, LOW, HIGH, CMP_FUN)\ +{\ + ulint ut_sort_mid77;\ + ulint ut_sort_i77;\ + ulint ut_sort_low77;\ + ulint ut_sort_high77;\ +\ + ut_ad((LOW) < (HIGH));\ + ut_ad(ARR);\ + ut_ad(AUX_ARR);\ +\ + if ((LOW) == (HIGH) - 1) {\ + return;\ + } else if ((LOW) == (HIGH) - 2) {\ + if (CMP_FUN((ARR)[LOW], (ARR)[(HIGH) - 1]) > 0) {\ + (AUX_ARR)[LOW] = (ARR)[LOW];\ + (ARR)[LOW] = (ARR)[(HIGH) - 1];\ + (ARR)[(HIGH) - 1] = (AUX_ARR)[LOW];\ + }\ + return;\ + }\ +\ + ut_sort_mid77 = ((LOW) + (HIGH)) / 2;\ +\ + SORT_FUN((ARR), (AUX_ARR), (LOW), ut_sort_mid77);\ + SORT_FUN((ARR), (AUX_ARR), ut_sort_mid77, (HIGH));\ +\ + ut_sort_low77 = (LOW);\ + ut_sort_high77 = ut_sort_mid77;\ +\ + for (ut_sort_i77 = (LOW); ut_sort_i77 < (HIGH); ut_sort_i77++) {\ +\ + if (ut_sort_low77 >= ut_sort_mid77) {\ + (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_high77];\ + ut_sort_high77++;\ + } else if (ut_sort_high77 >= (HIGH)) {\ + (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_low77];\ + ut_sort_low77++;\ + } else if (CMP_FUN((ARR)[ut_sort_low77],\ + (ARR)[ut_sort_high77]) > 0) {\ + (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_high77];\ + ut_sort_high77++;\ + } else {\ + (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_low77];\ + ut_sort_low77++;\ + }\ + }\ +\ + memcpy((void*) ((ARR) + (LOW)), (AUX_ARR) + (LOW),\ + ((HIGH) - (LOW)) * sizeof *(ARR));\ +}\ + + +#endif + diff --git a/perfschema/include/ut0ut.h b/perfschema/include/ut0ut.h new file mode 100644 index 00000000000..197b8401428 --- /dev/null +++ b/perfschema/include/ut0ut.h @@ -0,0 +1,403 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Sun Microsystems, Inc. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file include/ut0ut.h +Various utilities + +Created 1/20/1994 Heikki Tuuri +***********************************************************************/ + +#ifndef ut0ut_h +#define ut0ut_h + +#include "univ.i" + +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ +#endif /* UNIV_HOTBACKUP */ + +#include +#ifndef MYSQL_SERVER +#include +#endif + +/** Index name prefix in fast index creation */ +#define TEMP_INDEX_PREFIX '\377' +/** Index name prefix in fast index creation, as a string constant */ +#define TEMP_INDEX_PREFIX_STR "\377" + +/** Time stamp */ +typedef time_t ib_time_t; + +#ifndef UNIV_HOTBACKUP +#if defined(HAVE_IB_PAUSE_INSTRUCTION) +# ifdef WIN32 + /* In the Win32 API, the x86 PAUSE instruction is executed by calling + the YieldProcessor macro defined in WinNT.h. It is a CPU architecture- + independent way by using YieldProcessor.*/ +# define UT_RELAX_CPU() YieldProcessor() +# else + /* According to the gcc info page, asm volatile means that the + instruction has important side-effects and must not be removed. + Also asm volatile may trigger a memory barrier (spilling all registers + to memory). */ +# define UT_RELAX_CPU() __asm__ __volatile__ ("pause") +# endif +#elif defined(HAVE_ATOMIC_BUILTINS) +# define UT_RELAX_CPU() do { \ + volatile lint volatile_var; \ + os_compare_and_swap_lint(&volatile_var, 0, 1); \ + } while (0) +#else +# define UT_RELAX_CPU() ((void)0) /* avoid warning for an empty statement */ +#endif + +/*********************************************************************//** +Delays execution for at most max_wait_us microseconds or returns earlier +if cond becomes true. +@param cond in: condition to wait for; evaluated every 2 ms +@param max_wait_us in: maximum delay to wait, in microseconds */ +#define UT_WAIT_FOR(cond, max_wait_us) \ +do { \ + ullint start_us; \ + start_us = ut_time_us(NULL); \ + while (!(cond) \ + && ut_time_us(NULL) - start_us < (max_wait_us)) {\ + \ + os_thread_sleep(2000 /* 2 ms */); \ + } \ +} while (0) +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Gets the high 32 bits in a ulint. That is makes a shift >> 32, +but since there seem to be compiler bugs in both gcc and Visual C++, +we do this by a special conversion. +@return a >> 32 */ +UNIV_INTERN +ulint +ut_get_high32( +/*==========*/ + ulint a); /*!< in: ulint */ +/******************************************************//** +Calculates the minimum of two ulints. +@return minimum */ +UNIV_INLINE +ulint +ut_min( +/*===*/ + ulint n1, /*!< in: first number */ + ulint n2); /*!< in: second number */ +/******************************************************//** +Calculates the maximum of two ulints. +@return maximum */ +UNIV_INLINE +ulint +ut_max( +/*===*/ + ulint n1, /*!< in: first number */ + ulint n2); /*!< in: second number */ +/****************************************************************//** +Calculates minimum of two ulint-pairs. */ +UNIV_INLINE +void +ut_pair_min( +/*========*/ + ulint* a, /*!< out: more significant part of minimum */ + ulint* b, /*!< out: less significant part of minimum */ + ulint a1, /*!< in: more significant part of first pair */ + ulint b1, /*!< in: less significant part of first pair */ + ulint a2, /*!< in: more significant part of second pair */ + ulint b2); /*!< in: less significant part of second pair */ +/******************************************************//** +Compares two ulints. +@return 1 if a > b, 0 if a == b, -1 if a < b */ +UNIV_INLINE +int +ut_ulint_cmp( +/*=========*/ + ulint a, /*!< in: ulint */ + ulint b); /*!< in: ulint */ +/*******************************************************//** +Compares two pairs of ulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ +UNIV_INLINE +int +ut_pair_cmp( +/*========*/ + ulint a1, /*!< in: more significant part of first pair */ + ulint a2, /*!< in: less significant part of first pair */ + ulint b1, /*!< in: more significant part of second pair */ + ulint b2); /*!< in: less significant part of second pair */ +/*************************************************************//** +Determines if a number is zero or a power of two. +@param n in: number +@return nonzero if n is zero or a power of two; zero otherwise */ +#define ut_is_2pow(n) UNIV_LIKELY(!((n) & ((n) - 1))) +/*************************************************************//** +Calculates fast the remainder of n/m when m is a power of two. +@param n in: numerator +@param m in: denominator, must be a power of two +@return the remainder of n/m */ +#define ut_2pow_remainder(n, m) ((n) & ((m) - 1)) +/*************************************************************//** +Calculates the biggest multiple of m that is not bigger than n +when m is a power of two. In other words, rounds n down to m * k. +@param n in: number to round down +@param m in: alignment, must be a power of two +@return n rounded down to the biggest possible integer multiple of m */ +#define ut_2pow_round(n, m) ((n) & ~((m) - 1)) +/** Align a number down to a multiple of a power of two. +@param n in: number to round down +@param m in: alignment, must be a power of two +@return n rounded down to the biggest possible integer multiple of m */ +#define ut_calc_align_down(n, m) ut_2pow_round(n, m) +/********************************************************//** +Calculates the smallest multiple of m that is not smaller than n +when m is a power of two. In other words, rounds n up to m * k. +@param n in: number to round up +@param m in: alignment, must be a power of two +@return n rounded up to the smallest possible integer multiple of m */ +#define ut_calc_align(n, m) (((n) + ((m) - 1)) & ~((m) - 1)) +/*************************************************************//** +Calculates fast the 2-logarithm of a number, rounded upward to an +integer. +@return logarithm in the base 2, rounded upward */ +UNIV_INLINE +ulint +ut_2_log( +/*=====*/ + ulint n); /*!< in: number */ +/*************************************************************//** +Calculates 2 to power n. +@return 2 to power n */ +UNIV_INLINE +ulint +ut_2_exp( +/*=====*/ + ulint n); /*!< in: number */ +/*************************************************************//** +Calculates fast the number rounded up to the nearest power of 2. +@return first power of 2 which is >= n */ +UNIV_INTERN +ulint +ut_2_power_up( +/*==========*/ + ulint n) /*!< in: number != 0 */ + __attribute__((const)); + +/** Determine how many bytes (groups of 8 bits) are needed to +store the given number of bits. +@param b in: bits +@return number of bytes (octets) needed to represent b */ +#define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) + +/**********************************************************//** +Returns system time. We do not specify the format of the time returned: +the only way to manipulate it is to use the function ut_difftime. +@return system time */ +UNIV_INTERN +ib_time_t +ut_time(void); +/*=========*/ +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Returns system time. +Upon successful completion, the value 0 is returned; otherwise the +value -1 is returned and the global variable errno is set to indicate the +error. +@return 0 on success, -1 otherwise */ +UNIV_INTERN +int +ut_usectime( +/*========*/ + ulint* sec, /*!< out: seconds since the Epoch */ + ulint* ms); /*!< out: microseconds since the Epoch+*sec */ + +/**********************************************************//** +Returns the number of microseconds since epoch. Similar to +time(3), the return value is also stored in *tloc, provided +that tloc is non-NULL. +@return us since epoch */ +UNIV_INTERN +ullint +ut_time_us( +/*=======*/ + ullint* tloc); /*!< out: us since epoch, if non-NULL */ +/**********************************************************//** +Returns the number of milliseconds since some epoch. The +value may wrap around. It should only be used for heuristic +purposes. +@return ms since epoch */ +UNIV_INTERN +ulint +ut_time_ms(void); +/*============*/ +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************//** +Returns the difference of two times in seconds. +@return time2 - time1 expressed in seconds */ +UNIV_INTERN +double +ut_difftime( +/*========*/ + ib_time_t time2, /*!< in: time */ + ib_time_t time1); /*!< in: time */ +/**********************************************************//** +Prints a timestamp to a file. */ +UNIV_INTERN +void +ut_print_timestamp( +/*===============*/ + FILE* file); /*!< in: file where to print */ +/**********************************************************//** +Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ +UNIV_INTERN +void +ut_sprintf_timestamp( +/*=================*/ + char* buf); /*!< in: buffer where to sprintf */ +#ifdef UNIV_HOTBACKUP +/**********************************************************//** +Sprintfs a timestamp to a buffer with no spaces and with ':' characters +replaced by '_'. */ +UNIV_INTERN +void +ut_sprintf_timestamp_without_extra_chars( +/*=====================================*/ + char* buf); /*!< in: buffer where to sprintf */ +/**********************************************************//** +Returns current year, month, day. */ +UNIV_INTERN +void +ut_get_year_month_day( +/*==================*/ + ulint* year, /*!< out: current year */ + ulint* month, /*!< out: month */ + ulint* day); /*!< out: day */ +#else /* UNIV_HOTBACKUP */ +/*************************************************************//** +Runs an idle loop on CPU. The argument gives the desired delay +in microseconds on 100 MHz Pentium + Visual C++. +@return dummy value */ +UNIV_INTERN +ulint +ut_delay( +/*=====*/ + ulint delay); /*!< in: delay in microseconds on 100 MHz Pentium */ +#endif /* UNIV_HOTBACKUP */ +/*************************************************************//** +Prints the contents of a memory buffer in hex and ascii. */ +UNIV_INTERN +void +ut_print_buf( +/*=========*/ + FILE* file, /*!< in: file where to print */ + const void* buf, /*!< in: memory buffer */ + ulint len); /*!< in: length of the buffer */ + +/**********************************************************************//** +Outputs a NUL-terminated file name, quoted with apostrophes. */ +UNIV_INTERN +void +ut_print_filename( +/*==============*/ + FILE* f, /*!< in: output stream */ + const char* name); /*!< in: name to print */ + +#ifndef UNIV_HOTBACKUP +/* Forward declaration of transaction handle */ +struct trx_struct; + +/**********************************************************************//** +Outputs a fixed-length string, quoted as an SQL identifier. +If the string contains a slash '/', the string will be +output as two identifiers separated by a period (.), +as in SQL database_name.identifier. */ +UNIV_INTERN +void +ut_print_name( +/*==========*/ + FILE* f, /*!< in: output stream */ + struct trx_struct*trx, /*!< in: transaction */ + ibool table_id,/*!< in: TRUE=print a table name, + FALSE=print other identifier */ + const char* name); /*!< in: name to print */ + +/**********************************************************************//** +Outputs a fixed-length string, quoted as an SQL identifier. +If the string contains a slash '/', the string will be +output as two identifiers separated by a period (.), +as in SQL database_name.identifier. */ +UNIV_INTERN +void +ut_print_namel( +/*===========*/ + FILE* f, /*!< in: output stream */ + struct trx_struct*trx, /*!< in: transaction (NULL=no quotes) */ + ibool table_id,/*!< in: TRUE=print a table name, + FALSE=print other identifier */ + const char* name, /*!< in: name to print */ + ulint namelen);/*!< in: length of name */ + +/**********************************************************************//** +Catenate files. */ +UNIV_INTERN +void +ut_copy_file( +/*=========*/ + FILE* dest, /*!< in: output file */ + FILE* src); /*!< in: input file to be appended to output */ +#endif /* !UNIV_HOTBACKUP */ + +#ifdef __WIN__ +/**********************************************************************//** +A substitute for snprintf(3), formatted output conversion into +a limited buffer. +@return number of characters that would have been printed if the size +were unlimited, not including the terminating '\0'. */ +UNIV_INTERN +int +ut_snprintf( +/*========*/ + char* str, /*!< out: string */ + size_t size, /*!< in: str size */ + const char* fmt, /*!< in: format */ + ...); /*!< in: format values */ +#else +/**********************************************************************//** +A wrapper for snprintf(3), formatted output conversion into +a limited buffer. */ +# define ut_snprintf snprintf +#endif /* __WIN__ */ + +#ifndef UNIV_NONINL +#include "ut0ut.ic" +#endif + +#endif + diff --git a/perfschema/include/ut0ut.ic b/perfschema/include/ut0ut.ic new file mode 100644 index 00000000000..6f55c7e410e --- /dev/null +++ b/perfschema/include/ut0ut.ic @@ -0,0 +1,162 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************************//** +@file include/ut0ut.ic +Various utilities + +Created 5/30/1994 Heikki Tuuri +*******************************************************************/ + +/******************************************************//** +Calculates the minimum of two ulints. +@return minimum */ +UNIV_INLINE +ulint +ut_min( +/*===*/ + ulint n1, /*!< in: first number */ + ulint n2) /*!< in: second number */ +{ + return((n1 <= n2) ? n1 : n2); +} + +/******************************************************//** +Calculates the maximum of two ulints. +@return maximum */ +UNIV_INLINE +ulint +ut_max( +/*===*/ + ulint n1, /*!< in: first number */ + ulint n2) /*!< in: second number */ +{ + return((n1 <= n2) ? n2 : n1); +} + +/****************************************************************//** +Calculates minimum of two ulint-pairs. */ +UNIV_INLINE +void +ut_pair_min( +/*========*/ + ulint* a, /*!< out: more significant part of minimum */ + ulint* b, /*!< out: less significant part of minimum */ + ulint a1, /*!< in: more significant part of first pair */ + ulint b1, /*!< in: less significant part of first pair */ + ulint a2, /*!< in: more significant part of second pair */ + ulint b2) /*!< in: less significant part of second pair */ +{ + if (a1 == a2) { + *a = a1; + *b = ut_min(b1, b2); + } else if (a1 < a2) { + *a = a1; + *b = b1; + } else { + *a = a2; + *b = b2; + } +} + +/******************************************************//** +Compares two ulints. +@return 1 if a > b, 0 if a == b, -1 if a < b */ +UNIV_INLINE +int +ut_ulint_cmp( +/*=========*/ + ulint a, /*!< in: ulint */ + ulint b) /*!< in: ulint */ +{ + if (a < b) { + return(-1); + } else if (a == b) { + return(0); + } else { + return(1); + } +} + +/*******************************************************//** +Compares two pairs of ulints. +@return -1 if a < b, 0 if a == b, 1 if a > b */ +UNIV_INLINE +int +ut_pair_cmp( +/*========*/ + ulint a1, /*!< in: more significant part of first pair */ + ulint a2, /*!< in: less significant part of first pair */ + ulint b1, /*!< in: more significant part of second pair */ + ulint b2) /*!< in: less significant part of second pair */ +{ + if (a1 > b1) { + return(1); + } else if (a1 < b1) { + return(-1); + } else if (a2 > b2) { + return(1); + } else if (a2 < b2) { + return(-1); + } else { + return(0); + } +} + +/*************************************************************//** +Calculates fast the 2-logarithm of a number, rounded upward to an +integer. +@return logarithm in the base 2, rounded upward */ +UNIV_INLINE +ulint +ut_2_log( +/*=====*/ + ulint n) /*!< in: number != 0 */ +{ + ulint res; + + res = 0; + + ut_ad(n > 0); + + n = n - 1; + + for (;;) { + n = n / 2; + + if (n == 0) { + break; + } + + res++; + } + + return(res + 1); +} + +/*************************************************************//** +Calculates 2 to power n. +@return 2 to power n */ +UNIV_INLINE +ulint +ut_2_exp( +/*=====*/ + ulint n) /*!< in: number */ +{ + return((ulint) 1 << n); +} diff --git a/perfschema/include/ut0vec.h b/perfschema/include/ut0vec.h new file mode 100644 index 00000000000..a770f671cfc --- /dev/null +++ b/perfschema/include/ut0vec.h @@ -0,0 +1,125 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0vec.h +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + +#ifndef IB_VECTOR_H +#define IB_VECTOR_H + +#include "univ.i" +#include "mem0mem.h" + +/** An automatically resizing vector data type. */ +typedef struct ib_vector_struct ib_vector_t; + +/* An automatically resizing vector datatype with the following properties: + + -Contains void* items. + + -The items are owned by the caller. + + -All memory allocation is done through a heap owned by the caller, who is + responsible for freeing it when done with the vector. + + -When the vector is resized, the old memory area is left allocated since it + uses the same heap as the new memory area, so this is best used for + relatively small or short-lived uses. +*/ + +/****************************************************************//** +Create a new vector with the given initial size. +@return vector */ +UNIV_INTERN +ib_vector_t* +ib_vector_create( +/*=============*/ + mem_heap_t* heap, /*!< in: heap */ + ulint size); /*!< in: initial size */ + +/****************************************************************//** +Push a new element to the vector, increasing its size if necessary. */ +UNIV_INTERN +void +ib_vector_push( +/*===========*/ + ib_vector_t* vec, /*!< in: vector */ + void* elem); /*!< in: data element */ + +/****************************************************************//** +Get the number of elements in the vector. +@return number of elements in vector */ +UNIV_INLINE +ulint +ib_vector_size( +/*===========*/ + const ib_vector_t* vec); /*!< in: vector */ + +/****************************************************************//** +Test whether a vector is empty or not. +@return TRUE if empty */ +UNIV_INLINE +ibool +ib_vector_is_empty( +/*===============*/ + const ib_vector_t* vec); /*!< in: vector */ + +/****************************************************************//** +Get the n'th element. +@return n'th element */ +UNIV_INLINE +void* +ib_vector_get( +/*==========*/ + ib_vector_t* vec, /*!< in: vector */ + ulint n); /*!< in: element index to get */ + +/****************************************************************//** +Remove the last element from the vector. */ +UNIV_INLINE +void* +ib_vector_pop( +/*==========*/ + ib_vector_t* vec); /*!< in: vector */ + +/****************************************************************//** +Free the underlying heap of the vector. Note that vec is invalid +after this call. */ +UNIV_INLINE +void +ib_vector_free( +/*===========*/ + ib_vector_t* vec); /*!< in,own: vector */ + +/** An automatically resizing vector data type. */ +struct ib_vector_struct { + mem_heap_t* heap; /*!< heap */ + void** data; /*!< data elements */ + ulint used; /*!< number of elements currently used */ + ulint total; /*!< number of elements allocated */ +}; + +#ifndef UNIV_NONINL +#include "ut0vec.ic" +#endif + +#endif diff --git a/perfschema/include/ut0vec.ic b/perfschema/include/ut0vec.ic new file mode 100644 index 00000000000..02e881f9bca --- /dev/null +++ b/perfschema/include/ut0vec.ic @@ -0,0 +1,96 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0vec.ic +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** +Get number of elements in vector. +@return number of elements in vector */ +UNIV_INLINE +ulint +ib_vector_size( +/*===========*/ + const ib_vector_t* vec) /*!< in: vector */ +{ + return(vec->used); +} + +/****************************************************************//** +Get n'th element. +@return n'th element */ +UNIV_INLINE +void* +ib_vector_get( +/*==========*/ + ib_vector_t* vec, /*!< in: vector */ + ulint n) /*!< in: element index to get */ +{ + ut_a(n < vec->used); + + return(vec->data[n]); +} + +/****************************************************************//** +Remove the last element from the vector. +@return last vector element */ +UNIV_INLINE +void* +ib_vector_pop( +/*==========*/ + ib_vector_t* vec) /*!< in/out: vector */ +{ + void* elem; + + ut_a(vec->used > 0); + --vec->used; + elem = vec->data[vec->used]; + + ut_d(vec->data[vec->used] = NULL); + UNIV_MEM_INVALID(&vec->data[vec->used], sizeof(*vec->data)); + + return(elem); +} + +/****************************************************************//** +Free the underlying heap of the vector. Note that vec is invalid +after this call. */ +UNIV_INLINE +void +ib_vector_free( +/*===========*/ + ib_vector_t* vec) /*!< in, own: vector */ +{ + mem_heap_free(vec->heap); +} + +/****************************************************************//** +Test whether a vector is empty or not. +@return TRUE if empty */ +UNIV_INLINE +ibool +ib_vector_is_empty( +/*===============*/ + const ib_vector_t* vec) /*!< in: vector */ +{ + return(ib_vector_size(vec) == 0); +} diff --git a/perfschema/include/ut0wqueue.h b/perfschema/include/ut0wqueue.h new file mode 100644 index 00000000000..2ec0f16ab05 --- /dev/null +++ b/perfschema/include/ut0wqueue.h @@ -0,0 +1,85 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file include/ut0wqueue.h +A work queue + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/*******************************************************************//** +A Work queue. Threads can add work items to the queue and other threads can +wait for work items to be available and take them off the queue for +processing. +************************************************************************/ + +#ifndef IB_WORK_QUEUE_H +#define IB_WORK_QUEUE_H + +#include "ut0list.h" +#include "mem0mem.h" +#include "os0sync.h" +#include "sync0types.h" + +typedef struct ib_wqueue_struct ib_wqueue_t; + +/****************************************************************//** +Create a new work queue. +@return work queue */ +UNIV_INTERN +ib_wqueue_t* +ib_wqueue_create(void); +/*===================*/ + +/****************************************************************//** +Free a work queue. */ +UNIV_INTERN +void +ib_wqueue_free( +/*===========*/ + ib_wqueue_t* wq); /*!< in: work queue */ + +/****************************************************************//** +Add a work item to the queue. */ +UNIV_INTERN +void +ib_wqueue_add( +/*==========*/ + ib_wqueue_t* wq, /*!< in: work queue */ + void* item, /*!< in: work item */ + mem_heap_t* heap); /*!< in: memory heap to use for allocating the + list node */ + +/****************************************************************//** +Wait for a work item to appear in the queue. +@return work item */ +UNIV_INTERN +void* +ib_wqueue_wait( +/*===========*/ + ib_wqueue_t* wq); /*!< in: work queue */ + +/* Work queue. */ +struct ib_wqueue_struct { + mutex_t mutex; /*!< mutex protecting everything */ + ib_list_t* items; /*!< work item list */ + os_event_t event; /*!< event we use to signal additions to list */ +}; + +#endif diff --git a/perfschema/lock/lock0iter.c b/perfschema/lock/lock0iter.c new file mode 100644 index 00000000000..51d1802ccde --- /dev/null +++ b/perfschema/lock/lock0iter.c @@ -0,0 +1,114 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file lock/lock0iter.c +Lock queue iterator. Can iterate over table and record +lock queues. + +Created July 16, 2007 Vasil Dimov +*******************************************************/ + +#define LOCK_MODULE_IMPLEMENTATION + +#include "univ.i" +#include "lock0iter.h" +#include "lock0lock.h" +#include "lock0priv.h" +#include "ut0dbg.h" +#include "ut0lst.h" +#ifdef UNIV_DEBUG +# include "srv0srv.h" /* kernel_mutex */ +#endif /* UNIV_DEBUG */ + +/*******************************************************************//** +Initialize lock queue iterator so that it starts to iterate from +"lock". bit_no specifies the record number within the heap where the +record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: +1. If the lock is a table lock, thus we have a table lock queue; +2. If the lock is a record lock and it is a wait lock. In this case + bit_no is calculated in this function by using + lock_rec_find_set_bit(). There is exactly one bit set in the bitmap + of a wait lock. */ +UNIV_INTERN +void +lock_queue_iterator_reset( +/*======================*/ + lock_queue_iterator_t* iter, /*!< out: iterator */ + const lock_t* lock, /*!< in: lock to start from */ + ulint bit_no) /*!< in: record number in the + heap */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + iter->current_lock = lock; + + if (bit_no != ULINT_UNDEFINED) { + + iter->bit_no = bit_no; + } else { + + switch (lock_get_type_low(lock)) { + case LOCK_TABLE: + iter->bit_no = ULINT_UNDEFINED; + break; + case LOCK_REC: + iter->bit_no = lock_rec_find_set_bit(lock); + ut_a(iter->bit_no != ULINT_UNDEFINED); + break; + default: + ut_error; + } + } +} + +/*******************************************************************//** +Gets the previous lock in the lock queue, returns NULL if there are no +more locks (i.e. the current lock is the first one). The iterator is +receded (if not-NULL is returned). +@return previous lock or NULL */ +UNIV_INTERN +const lock_t* +lock_queue_iterator_get_prev( +/*=========================*/ + lock_queue_iterator_t* iter) /*!< in/out: iterator */ +{ + const lock_t* prev_lock; + + ut_ad(mutex_own(&kernel_mutex)); + + switch (lock_get_type_low(iter->current_lock)) { + case LOCK_REC: + prev_lock = lock_rec_get_prev( + iter->current_lock, iter->bit_no); + break; + case LOCK_TABLE: + prev_lock = UT_LIST_GET_PREV( + un_member.tab_lock.locks, iter->current_lock); + break; + default: + ut_error; + } + + if (prev_lock != NULL) { + + iter->current_lock = prev_lock; + } + + return(prev_lock); +} diff --git a/perfschema/lock/lock0lock.c b/perfschema/lock/lock0lock.c new file mode 100644 index 00000000000..d5fff572aee --- /dev/null +++ b/perfschema/lock/lock0lock.c @@ -0,0 +1,5713 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file lock/lock0lock.c +The transaction lock system + +Created 5/7/1996 Heikki Tuuri +*******************************************************/ + +#define LOCK_MODULE_IMPLEMENTATION + +#include "lock0lock.h" +#include "lock0priv.h" + +#ifdef UNIV_NONINL +#include "lock0lock.ic" +#include "lock0priv.ic" +#endif + +#include "ha_prototypes.h" +#include "usr0sess.h" +#include "trx0purge.h" +#include "dict0mem.h" +#include "trx0sys.h" + +/* Restricts the length of search we will do in the waits-for +graph of transactions */ +#define LOCK_MAX_N_STEPS_IN_DEADLOCK_CHECK 1000000 + +/* Restricts the recursion depth of the search we will do in the waits-for +graph of transactions */ +#define LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK 200 + +/* When releasing transaction locks, this specifies how often we release +the kernel mutex for a moment to give also others access to it */ + +#define LOCK_RELEASE_KERNEL_INTERVAL 1000 + +/* Safety margin when creating a new record lock: this many extra records +can be inserted to the page without need to create a lock with a bigger +bitmap */ + +#define LOCK_PAGE_BITMAP_MARGIN 64 + +/* An explicit record lock affects both the record and the gap before it. +An implicit x-lock does not affect the gap, it only locks the index +record from read or update. + +If a transaction has modified or inserted an index record, then +it owns an implicit x-lock on the record. On a secondary index record, +a transaction has an implicit x-lock also if it has modified the +clustered index record, the max trx id of the page where the secondary +index record resides is >= trx id of the transaction (or database recovery +is running), and there are no explicit non-gap lock requests on the +secondary index record. + +This complicated definition for a secondary index comes from the +implementation: we want to be able to determine if a secondary index +record has an implicit x-lock, just by looking at the present clustered +index record, not at the historical versions of the record. The +complicated definition can be explained to the user so that there is +nondeterminism in the access path when a query is answered: we may, +or may not, access the clustered index record and thus may, or may not, +bump into an x-lock set there. + +Different transaction can have conflicting locks set on the gap at the +same time. The locks on the gap are purely inhibitive: an insert cannot +be made, or a select cursor may have to wait if a different transaction +has a conflicting lock on the gap. An x-lock on the gap does not give +the right to insert into the gap. + +An explicit lock can be placed on a user record or the supremum record of +a page. The locks on the supremum record are always thought to be of the gap +type, though the gap bit is not set. When we perform an update of a record +where the size of the record changes, we may temporarily store its explicit +locks on the infimum record of the page, though the infimum otherwise never +carries locks. + +A waiting record lock can also be of the gap type. A waiting lock request +can be granted when there is no conflicting mode lock request by another +transaction ahead of it in the explicit lock queue. + +In version 4.0.5 we added yet another explicit lock type: LOCK_REC_NOT_GAP. +It only locks the record it is placed on, not the gap before the record. +This lock type is necessary to emulate an Oracle-like READ COMMITTED isolation +level. + +------------------------------------------------------------------------- +RULE 1: If there is an implicit x-lock on a record, and there are non-gap +------- +lock requests waiting in the queue, then the transaction holding the implicit +x-lock also has an explicit non-gap record x-lock. Therefore, as locks are +released, we can grant locks to waiting lock requests purely by looking at +the explicit lock requests in the queue. + +RULE 3: Different transactions cannot have conflicting granted non-gap locks +------- +on a record at the same time. However, they can have conflicting granted gap +locks. +RULE 4: If a there is a waiting lock request in a queue, no lock request, +------- +gap or not, can be inserted ahead of it in the queue. In record deletes +and page splits new gap type locks can be created by the database manager +for a transaction, and without rule 4, the waits-for graph of transactions +might become cyclic without the database noticing it, as the deadlock check +is only performed when a transaction itself requests a lock! +------------------------------------------------------------------------- + +An insert is allowed to a gap if there are no explicit lock requests by +other transactions on the next record. It does not matter if these lock +requests are granted or waiting, gap bit set or not, with the exception +that a gap type request set by another transaction to wait for +its turn to do an insert is ignored. On the other hand, an +implicit x-lock by another transaction does not prevent an insert, which +allows for more concurrency when using an Oracle-style sequence number +generator for the primary key with many transactions doing inserts +concurrently. + +A modify of a record is allowed if the transaction has an x-lock on the +record, or if other transactions do not have any non-gap lock requests on the +record. + +A read of a single user record with a cursor is allowed if the transaction +has a non-gap explicit, or an implicit lock on the record, or if the other +transactions have no x-lock requests on the record. At a page supremum a +read is always allowed. + +In summary, an implicit lock is seen as a granted x-lock only on the +record, not on the gap. An explicit lock with no gap bit set is a lock +both on the record and the gap. If the gap bit is set, the lock is only +on the gap. Different transaction cannot own conflicting locks on the +record at the same time, but they may own conflicting locks on the gap. +Granted locks on a record give an access right to the record, but gap type +locks just inhibit operations. + +NOTE: Finding out if some transaction has an implicit x-lock on a secondary +index record can be cumbersome. We may have to look at previous versions of +the corresponding clustered index record to find out if a delete marked +secondary index record was delete marked by an active transaction, not by +a committed one. + +FACT A: If a transaction has inserted a row, it can delete it any time +without need to wait for locks. + +PROOF: The transaction has an implicit x-lock on every index record inserted +for the row, and can thus modify each record without the need to wait. Q.E.D. + +FACT B: If a transaction has read some result set with a cursor, it can read +it again, and retrieves the same result set, if it has not modified the +result set in the meantime. Hence, there is no phantom problem. If the +biggest record, in the alphabetical order, touched by the cursor is removed, +a lock wait may occur, otherwise not. + +PROOF: When a read cursor proceeds, it sets an s-lock on each user record +it passes, and a gap type s-lock on each page supremum. The cursor must +wait until it has these locks granted. Then no other transaction can +have a granted x-lock on any of the user records, and therefore cannot +modify the user records. Neither can any other transaction insert into +the gaps which were passed over by the cursor. Page splits and merges, +and removal of obsolete versions of records do not affect this, because +when a user record or a page supremum is removed, the next record inherits +its locks as gap type locks, and therefore blocks inserts to the same gap. +Also, if a page supremum is inserted, it inherits its locks from the successor +record. When the cursor is positioned again at the start of the result set, +the records it will touch on its course are either records it touched +during the last pass or new inserted page supremums. It can immediately +access all these records, and when it arrives at the biggest record, it +notices that the result set is complete. If the biggest record was removed, +lock wait can occur because the next record only inherits a gap type lock, +and a wait may be needed. Q.E.D. */ + +/* If an index record should be changed or a new inserted, we must check +the lock on the record or the next. When a read cursor starts reading, +we will set a record level s-lock on each record it passes, except on the +initial record on which the cursor is positioned before we start to fetch +records. Our index tree search has the convention that the B-tree +cursor is positioned BEFORE the first possibly matching record in +the search. Optimizations are possible here: if the record is searched +on an equality condition to a unique key, we could actually set a special +lock on the record, a lock which would not prevent any insert before +this record. In the next key locking an x-lock set on a record also +prevents inserts just before that record. + There are special infimum and supremum records on each page. +A supremum record can be locked by a read cursor. This records cannot be +updated but the lock prevents insert of a user record to the end of +the page. + Next key locks will prevent the phantom problem where new rows +could appear to SELECT result sets after the select operation has been +performed. Prevention of phantoms ensures the serilizability of +transactions. + What should we check if an insert of a new record is wanted? +Only the lock on the next record on the same page, because also the +supremum record can carry a lock. An s-lock prevents insertion, but +what about an x-lock? If it was set by a searched update, then there +is implicitly an s-lock, too, and the insert should be prevented. +What if our transaction owns an x-lock to the next record, but there is +a waiting s-lock request on the next record? If this s-lock was placed +by a read cursor moving in the ascending order in the index, we cannot +do the insert immediately, because when we finally commit our transaction, +the read cursor should see also the new inserted record. So we should +move the read cursor backward from the next record for it to pass over +the new inserted record. This move backward may be too cumbersome to +implement. If we in this situation just enqueue a second x-lock request +for our transaction on the next record, then the deadlock mechanism +notices a deadlock between our transaction and the s-lock request +transaction. This seems to be an ok solution. + We could have the convention that granted explicit record locks, +lock the corresponding records from changing, and also lock the gaps +before them from inserting. A waiting explicit lock request locks the gap +before from inserting. Implicit record x-locks, which we derive from the +transaction id in the clustered index record, only lock the record itself +from modification, not the gap before it from inserting. + How should we store update locks? If the search is done by a unique +key, we could just modify the record trx id. Otherwise, we could put a record +x-lock on the record. If the update changes ordering fields of the +clustered index record, the inserted new record needs no record lock in +lock table, the trx id is enough. The same holds for a secondary index +record. Searched delete is similar to update. + +PROBLEM: +What about waiting lock requests? If a transaction is waiting to make an +update to a record which another modified, how does the other transaction +know to send the end-lock-wait signal to the waiting transaction? If we have +the convention that a transaction may wait for just one lock at a time, how +do we preserve it if lock wait ends? + +PROBLEM: +Checking the trx id label of a secondary index record. In the case of a +modification, not an insert, is this necessary? A secondary index record +is modified only by setting or resetting its deleted flag. A secondary index +record contains fields to uniquely determine the corresponding clustered +index record. A secondary index record is therefore only modified if we +also modify the clustered index record, and the trx id checking is done +on the clustered index record, before we come to modify the secondary index +record. So, in the case of delete marking or unmarking a secondary index +record, we do not have to care about trx ids, only the locks in the lock +table must be checked. In the case of a select from a secondary index, the +trx id is relevant, and in this case we may have to search the clustered +index record. + +PROBLEM: How to update record locks when page is split or merged, or +-------------------------------------------------------------------- +a record is deleted or updated? +If the size of fields in a record changes, we perform the update by +a delete followed by an insert. How can we retain the locks set or +waiting on the record? Because a record lock is indexed in the bitmap +by the heap number of the record, when we remove the record from the +record list, it is possible still to keep the lock bits. If the page +is reorganized, we could make a table of old and new heap numbers, +and permute the bitmaps in the locks accordingly. We can add to the +table a row telling where the updated record ended. If the update does +not require a reorganization of the page, we can simply move the lock +bits for the updated record to the position determined by its new heap +number (we may have to allocate a new lock, if we run out of the bitmap +in the old one). + A more complicated case is the one where the reinsertion of the +updated record is done pessimistically, because the structure of the +tree may change. + +PROBLEM: If a supremum record is removed in a page merge, or a record +--------------------------------------------------------------------- +removed in a purge, what to do to the waiting lock requests? In a split to +the right, we just move the lock requests to the new supremum. If a record +is removed, we could move the waiting lock request to its inheritor, the +next record in the index. But, the next record may already have lock +requests on its own queue. A new deadlock check should be made then. Maybe +it is easier just to release the waiting transactions. They can then enqueue +new lock requests on appropriate records. + +PROBLEM: When a record is inserted, what locks should it inherit from the +------------------------------------------------------------------------- +upper neighbor? An insert of a new supremum record in a page split is +always possible, but an insert of a new user record requires that the upper +neighbor does not have any lock requests by other transactions, granted or +waiting, in its lock queue. Solution: We can copy the locks as gap type +locks, so that also the waiting locks are transformed to granted gap type +locks on the inserted record. */ + +/* LOCK COMPATIBILITY MATRIX + * IS IX S X AI + * IS + + + - + + * IX + + - - + + * S + - + - - + * X - - - - - + * AI + + - - - + * + * Note that for rows, InnoDB only acquires S or X locks. + * For tables, InnoDB normally acquires IS or IX locks. + * S or X table locks are only acquired for LOCK TABLES. + * Auto-increment (AI) locks are needed because of + * statement-level MySQL binlog. + * See also lock_mode_compatible(). + */ +#define LK(a,b) (1 << ((a) * LOCK_NUM + (b))) +#define LKS(a,b) LK(a,b) | LK(b,a) + +/* Define the lock compatibility matrix in a ulint. The first line below +defines the diagonal entries. The following lines define the compatibility +for LOCK_IX, LOCK_S, and LOCK_AUTO_INC using LKS(), since the matrix +is symmetric. */ +#define LOCK_MODE_COMPATIBILITY 0 \ + | LK(LOCK_IS, LOCK_IS) | LK(LOCK_IX, LOCK_IX) | LK(LOCK_S, LOCK_S) \ + | LKS(LOCK_IX, LOCK_IS) | LKS(LOCK_IS, LOCK_AUTO_INC) \ + | LKS(LOCK_S, LOCK_IS) \ + | LKS(LOCK_AUTO_INC, LOCK_IS) | LKS(LOCK_AUTO_INC, LOCK_IX) + +/* STRONGER-OR-EQUAL RELATION (mode1=row, mode2=column) + * IS IX S X AI + * IS + - - - - + * IX + + - - - + * S + - + - - + * X + + + + + + * AI - - - - + + * See lock_mode_stronger_or_eq(). + */ + +/* Define the stronger-or-equal lock relation in a ulint. This relation +contains all pairs LK(mode1, mode2) where mode1 is stronger than or +equal to mode2. */ +#define LOCK_MODE_STRONGER_OR_EQ 0 \ + | LK(LOCK_IS, LOCK_IS) \ + | LK(LOCK_IX, LOCK_IS) | LK(LOCK_IX, LOCK_IX) \ + | LK(LOCK_S, LOCK_IS) | LK(LOCK_S, LOCK_S) \ + | LK(LOCK_AUTO_INC, LOCK_AUTO_INC) \ + | LK(LOCK_X, LOCK_IS) | LK(LOCK_X, LOCK_IX) | LK(LOCK_X, LOCK_S) \ + | LK(LOCK_X, LOCK_AUTO_INC) | LK(LOCK_X, LOCK_X) + +#ifdef UNIV_DEBUG +UNIV_INTERN ibool lock_print_waits = FALSE; + +/*********************************************************************//** +Validates the lock system. +@return TRUE if ok */ +static +ibool +lock_validate(void); +/*===============*/ + +/*********************************************************************//** +Validates the record lock queues on a page. +@return TRUE if ok */ +static +ibool +lock_rec_validate_page( +/*===================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no);/*!< in: page number */ +#endif /* UNIV_DEBUG */ + +/* The lock system */ +UNIV_INTERN lock_sys_t* lock_sys = NULL; + +/* We store info on the latest deadlock error to this buffer. InnoDB +Monitor will then fetch it and print */ +UNIV_INTERN ibool lock_deadlock_found = FALSE; +UNIV_INTERN FILE* lock_latest_err_file; + +/* Flags for recursive deadlock search */ +#define LOCK_VICTIM_IS_START 1 +#define LOCK_VICTIM_IS_OTHER 2 +#define LOCK_EXCEED_MAX_DEPTH 3 + +/********************************************************************//** +Checks if a lock request results in a deadlock. +@return TRUE if a deadlock was detected and we chose trx as a victim; +FALSE if no deadlock, or there was a deadlock, but we chose other +transaction(s) as victim(s) */ +static +ibool +lock_deadlock_occurs( +/*=================*/ + lock_t* lock, /*!< in: lock the transaction is requesting */ + trx_t* trx); /*!< in: transaction */ +/********************************************************************//** +Looks recursively for a deadlock. +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a +deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a +deadlock was found and we chose some other trx as a victim: we must do +the search again in this last case because there may be another +deadlock! +LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ +static +ulint +lock_deadlock_recursive( +/*====================*/ + trx_t* start, /*!< in: recursion starting point */ + trx_t* trx, /*!< in: a transaction waiting for a lock */ + lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ + ulint* cost, /*!< in/out: number of calculation steps thus + far: if this exceeds LOCK_MAX_N_STEPS_... + we return LOCK_EXCEED_MAX_DEPTH */ + ulint depth); /*!< in: recursion depth: if this exceeds + LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we + return LOCK_EXCEED_MAX_DEPTH */ + +/*********************************************************************//** +Gets the nth bit of a record lock. +@return TRUE if bit set also if i == ULINT_UNDEFINED return FALSE*/ +UNIV_INLINE +ibool +lock_rec_get_nth_bit( +/*=================*/ + const lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ +{ + ulint byte_index; + ulint bit_index; + + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + if (i >= lock->un_member.rec_lock.n_bits) { + + return(FALSE); + } + + byte_index = i / 8; + bit_index = i % 8; + + return(1 & ((const byte*) &lock[1])[byte_index] >> bit_index); +} + +/*************************************************************************/ + +#define lock_mutex_enter_kernel() mutex_enter(&kernel_mutex) +#define lock_mutex_exit_kernel() mutex_exit(&kernel_mutex) + +/*********************************************************************//** +Checks that a transaction id is sensible, i.e., not in the future. +@return TRUE if ok */ +UNIV_INTERN +ibool +lock_check_trx_id_sanity( +/*=====================*/ + trx_id_t trx_id, /*!< in: trx id */ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ibool has_kernel_mutex)/*!< in: TRUE if the caller owns the + kernel mutex */ +{ + ibool is_ok = TRUE; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (!has_kernel_mutex) { + mutex_enter(&kernel_mutex); + } + + /* A sanity check: the trx_id in rec must be smaller than the global + trx id counter */ + + if (ut_dulint_cmp(trx_id, trx_sys->max_trx_id) >= 0) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: transaction id associated" + " with record\n", + stderr); + rec_print_new(stderr, rec, offsets); + fputs("InnoDB: in ", stderr); + dict_index_name_print(stderr, NULL, index); + fprintf(stderr, "\n" + "InnoDB: is " TRX_ID_FMT " which is higher than the" + " global trx id counter " TRX_ID_FMT "!\n" + "InnoDB: The table is corrupt. You have to do" + " dump + drop + reimport.\n", + TRX_ID_PREP_PRINTF(trx_id), + TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); + + is_ok = FALSE; + } + + if (!has_kernel_mutex) { + mutex_exit(&kernel_mutex); + } + + return(is_ok); +} + +/*********************************************************************//** +Checks that a record is seen in a consistent read. +@return TRUE if sees, or FALSE if an earlier version of the record +should be retrieved */ +UNIV_INTERN +ibool +lock_clust_rec_cons_read_sees( +/*==========================*/ + const rec_t* rec, /*!< in: user record which should be read or + passed over by a read cursor */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + read_view_t* view) /*!< in: consistent read view */ +{ + trx_id_t trx_id; + + ut_ad(dict_index_is_clust(index)); + ut_ad(page_rec_is_user_rec(rec)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + /* NOTE that we call this function while holding the search + system latch. To obey the latching order we must NOT reserve the + kernel mutex here! */ + + trx_id = row_get_rec_trx_id(rec, index, offsets); + + return(read_view_sees_trx_id(view, trx_id)); +} + +/*********************************************************************//** +Checks that a non-clustered index record is seen in a consistent read. + +NOTE that a non-clustered index page contains so little information on +its modifications that also in the case FALSE, the present version of +rec may be the right, but we must check this from the clustered index +record. + +@return TRUE if certainly sees, or FALSE if an earlier version of the +clustered index record might be needed */ +UNIV_INTERN +ulint +lock_sec_rec_cons_read_sees( +/*========================*/ + const rec_t* rec, /*!< in: user record which + should be read or passed over + by a read cursor */ + const read_view_t* view) /*!< in: consistent read view */ +{ + trx_id_t max_trx_id; + + ut_ad(page_rec_is_user_rec(rec)); + + /* NOTE that we might call this function while holding the search + system latch. To obey the latching order we must NOT reserve the + kernel mutex here! */ + + if (recv_recovery_is_on()) { + + return(FALSE); + } + + max_trx_id = page_get_max_trx_id(page_align(rec)); + ut_ad(!ut_dulint_is_zero(max_trx_id)); + + return(ut_dulint_cmp(max_trx_id, view->up_limit_id) < 0); +} + +/*********************************************************************//** +Creates the lock system at database start. */ +UNIV_INTERN +void +lock_sys_create( +/*============*/ + ulint n_cells) /*!< in: number of slots in lock hash table */ +{ + lock_sys = mem_alloc(sizeof(lock_sys_t)); + + lock_sys->rec_hash = hash_create(n_cells); + + /* hash_create_mutexes(lock_sys->rec_hash, 2, SYNC_REC_LOCK); */ + + lock_latest_err_file = os_file_create_tmpfile(); + ut_a(lock_latest_err_file); +} + +/*********************************************************************//** +Closes the lock system at database shutdown. */ +UNIV_INTERN +void +lock_sys_close(void) +/*================*/ +{ + if (lock_latest_err_file != NULL) { + fclose(lock_latest_err_file); + lock_latest_err_file = NULL; + } + + hash_table_free(lock_sys->rec_hash); + mem_free(lock_sys); + lock_sys = NULL; +} + +/*********************************************************************//** +Gets the size of a lock struct. +@return size in bytes */ +UNIV_INTERN +ulint +lock_get_size(void) +/*===============*/ +{ + return((ulint)sizeof(lock_t)); +} + +/*********************************************************************//** +Gets the mode of a lock. +@return mode */ +UNIV_INLINE +enum lock_mode +lock_get_mode( +/*==========*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_ad(lock); + + return(lock->type_mode & LOCK_MODE_MASK); +} + +/*********************************************************************//** +Gets the wait flag of a lock. +@return TRUE if waiting */ +UNIV_INLINE +ibool +lock_get_wait( +/*==========*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_ad(lock); + + if (UNIV_UNLIKELY(lock->type_mode & LOCK_WAIT)) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Gets the source table of an ALTER TABLE transaction. The table must be +covered by an IX or IS table lock. +@return the source table of transaction, if it is covered by an IX or +IS table lock; dest if there is no source table, and NULL if the +transaction is locking more than two tables or an inconsistency is +found */ +UNIV_INTERN +dict_table_t* +lock_get_src_table( +/*===============*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* dest, /*!< in: destination of ALTER TABLE */ + enum lock_mode* mode) /*!< out: lock mode of the source table */ +{ + dict_table_t* src; + lock_t* lock; + + src = NULL; + *mode = LOCK_NONE; + + for (lock = UT_LIST_GET_FIRST(trx->trx_locks); + lock; + lock = UT_LIST_GET_NEXT(trx_locks, lock)) { + lock_table_t* tab_lock; + enum lock_mode lock_mode; + if (!(lock_get_type_low(lock) & LOCK_TABLE)) { + /* We are only interested in table locks. */ + continue; + } + tab_lock = &lock->un_member.tab_lock; + if (dest == tab_lock->table) { + /* We are not interested in the destination table. */ + continue; + } else if (!src) { + /* This presumably is the source table. */ + src = tab_lock->table; + if (UT_LIST_GET_LEN(src->locks) != 1 + || UT_LIST_GET_FIRST(src->locks) != lock) { + /* We only support the case when + there is only one lock on this table. */ + return(NULL); + } + } else if (src != tab_lock->table) { + /* The transaction is locking more than + two tables (src and dest): abort */ + return(NULL); + } + + /* Check that the source table is locked by + LOCK_IX or LOCK_IS. */ + lock_mode = lock_get_mode(lock); + if (lock_mode == LOCK_IX || lock_mode == LOCK_IS) { + if (*mode != LOCK_NONE && *mode != lock_mode) { + /* There are multiple locks on src. */ + return(NULL); + } + *mode = lock_mode; + } + } + + if (!src) { + /* No source table lock found: flag the situation to caller */ + src = dest; + } + + return(src); +} + +/*********************************************************************//** +Determine if the given table is exclusively "owned" by the given +transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC +on the table. +@return TRUE if table is only locked by trx, with LOCK_IX, and +possibly LOCK_AUTO_INC */ +UNIV_INTERN +ibool +lock_is_table_exclusive( +/*====================*/ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction */ +{ + const lock_t* lock; + ibool ok = FALSE; + + ut_ad(table); + ut_ad(trx); + + lock_mutex_enter_kernel(); + + for (lock = UT_LIST_GET_FIRST(table->locks); + lock; + lock = UT_LIST_GET_NEXT(locks, &lock->un_member.tab_lock)) { + if (lock->trx != trx) { + /* A lock on the table is held + by some other transaction. */ + goto not_ok; + } + + if (!(lock_get_type_low(lock) & LOCK_TABLE)) { + /* We are interested in table locks only. */ + continue; + } + + switch (lock_get_mode(lock)) { + case LOCK_IX: + ok = TRUE; + break; + case LOCK_AUTO_INC: + /* It is allowed for trx to hold an + auto_increment lock. */ + break; + default: +not_ok: + /* Other table locks than LOCK_IX are not allowed. */ + ok = FALSE; + goto func_exit; + } + } + +func_exit: + lock_mutex_exit_kernel(); + + return(ok); +} + +/*********************************************************************//** +Sets the wait flag of a lock and the back pointer in trx to lock. */ +UNIV_INLINE +void +lock_set_lock_and_trx_wait( +/*=======================*/ + lock_t* lock, /*!< in: lock */ + trx_t* trx) /*!< in: trx */ +{ + ut_ad(lock); + ut_ad(trx->wait_lock == NULL); + + trx->wait_lock = lock; + lock->type_mode |= LOCK_WAIT; +} + +/**********************************************************************//** +The back pointer to a waiting lock request in the transaction is set to NULL +and the wait bit in lock type_mode is reset. */ +UNIV_INLINE +void +lock_reset_lock_and_trx_wait( +/*=========================*/ + lock_t* lock) /*!< in: record lock */ +{ + ut_ad((lock->trx)->wait_lock == lock); + ut_ad(lock_get_wait(lock)); + + /* Reset the back pointer in trx to this waiting lock request */ + + (lock->trx)->wait_lock = NULL; + lock->type_mode &= ~LOCK_WAIT; +} + +/*********************************************************************//** +Gets the gap flag of a record lock. +@return TRUE if gap flag set */ +UNIV_INLINE +ibool +lock_rec_get_gap( +/*=============*/ + const lock_t* lock) /*!< in: record lock */ +{ + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + if (lock->type_mode & LOCK_GAP) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Gets the LOCK_REC_NOT_GAP flag of a record lock. +@return TRUE if LOCK_REC_NOT_GAP flag set */ +UNIV_INLINE +ibool +lock_rec_get_rec_not_gap( +/*=====================*/ + const lock_t* lock) /*!< in: record lock */ +{ + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + if (lock->type_mode & LOCK_REC_NOT_GAP) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Gets the waiting insert flag of a record lock. +@return TRUE if gap flag set */ +UNIV_INLINE +ibool +lock_rec_get_insert_intention( +/*==========================*/ + const lock_t* lock) /*!< in: record lock */ +{ + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + if (lock->type_mode & LOCK_INSERT_INTENTION) { + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Calculates if lock mode 1 is stronger or equal to lock mode 2. +@return nonzero if mode1 stronger or equal to mode2 */ +UNIV_INLINE +ulint +lock_mode_stronger_or_eq( +/*=====================*/ + enum lock_mode mode1, /*!< in: lock mode */ + enum lock_mode mode2) /*!< in: lock mode */ +{ + ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX + || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); + ut_ad(mode2 == LOCK_X || mode2 == LOCK_S || mode2 == LOCK_IX + || mode2 == LOCK_IS || mode2 == LOCK_AUTO_INC); + + return((LOCK_MODE_STRONGER_OR_EQ) & LK(mode1, mode2)); +} + +/*********************************************************************//** +Calculates if lock mode 1 is compatible with lock mode 2. +@return nonzero if mode1 compatible with mode2 */ +UNIV_INLINE +ulint +lock_mode_compatible( +/*=================*/ + enum lock_mode mode1, /*!< in: lock mode */ + enum lock_mode mode2) /*!< in: lock mode */ +{ + ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX + || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); + ut_ad(mode2 == LOCK_X || mode2 == LOCK_S || mode2 == LOCK_IX + || mode2 == LOCK_IS || mode2 == LOCK_AUTO_INC); + + return((LOCK_MODE_COMPATIBILITY) & LK(mode1, mode2)); +} + +/*********************************************************************//** +Checks if a lock request for a new lock has to wait for request lock2. +@return TRUE if new lock has to wait for lock2 to be removed */ +UNIV_INLINE +ibool +lock_rec_has_to_wait( +/*=================*/ + const trx_t* trx, /*!< in: trx of new lock */ + ulint type_mode,/*!< in: precise mode of the new lock + to set: LOCK_S or LOCK_X, possibly + ORed to LOCK_GAP or LOCK_REC_NOT_GAP, + LOCK_INSERT_INTENTION */ + const lock_t* lock2, /*!< in: another record lock; NOTE that + it is assumed that this has a lock bit + set on the same record as in the new + lock we are setting */ + ibool lock_is_on_supremum) /*!< in: TRUE if we are setting the + lock on the 'supremum' record of an + index page: we know then that the lock + request is really for a 'gap' type lock */ +{ + ut_ad(trx && lock2); + ut_ad(lock_get_type_low(lock2) == LOCK_REC); + + if (trx != lock2->trx + && !lock_mode_compatible(LOCK_MODE_MASK & type_mode, + lock_get_mode(lock2))) { + + /* We have somewhat complex rules when gap type record locks + cause waits */ + + if ((lock_is_on_supremum || (type_mode & LOCK_GAP)) + && !(type_mode & LOCK_INSERT_INTENTION)) { + + /* Gap type locks without LOCK_INSERT_INTENTION flag + do not need to wait for anything. This is because + different users can have conflicting lock types + on gaps. */ + + return(FALSE); + } + + if (!(type_mode & LOCK_INSERT_INTENTION) + && lock_rec_get_gap(lock2)) { + + /* Record lock (LOCK_ORDINARY or LOCK_REC_NOT_GAP + does not need to wait for a gap type lock */ + + return(FALSE); + } + + if ((type_mode & LOCK_GAP) + && lock_rec_get_rec_not_gap(lock2)) { + + /* Lock on gap does not need to wait for + a LOCK_REC_NOT_GAP type lock */ + + return(FALSE); + } + + if (lock_rec_get_insert_intention(lock2)) { + + /* No lock request needs to wait for an insert + intention lock to be removed. This is ok since our + rules allow conflicting locks on gaps. This eliminates + a spurious deadlock caused by a next-key lock waiting + for an insert intention lock; when the insert + intention lock was granted, the insert deadlocked on + the waiting next-key lock. + + Also, insert intention locks do not disturb each + other. */ + + return(FALSE); + } + + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Checks if a lock request lock1 has to wait for request lock2. +@return TRUE if lock1 has to wait for lock2 to be removed */ +UNIV_INTERN +ibool +lock_has_to_wait( +/*=============*/ + const lock_t* lock1, /*!< in: waiting lock */ + const lock_t* lock2) /*!< in: another lock; NOTE that it is + assumed that this has a lock bit set + on the same record as in lock1 if the + locks are record locks */ +{ + ut_ad(lock1 && lock2); + + if (lock1->trx != lock2->trx + && !lock_mode_compatible(lock_get_mode(lock1), + lock_get_mode(lock2))) { + if (lock_get_type_low(lock1) == LOCK_REC) { + ut_ad(lock_get_type_low(lock2) == LOCK_REC); + + /* If this lock request is for a supremum record + then the second bit on the lock bitmap is set */ + + return(lock_rec_has_to_wait(lock1->trx, + lock1->type_mode, lock2, + lock_rec_get_nth_bit( + lock1, 1))); + } + + return(TRUE); + } + + return(FALSE); +} + +/*============== RECORD LOCK BASIC FUNCTIONS ============================*/ + +/*********************************************************************//** +Gets the number of bits in a record lock bitmap. +@return number of bits */ +UNIV_INLINE +ulint +lock_rec_get_n_bits( +/*================*/ + const lock_t* lock) /*!< in: record lock */ +{ + return(lock->un_member.rec_lock.n_bits); +} + +/**********************************************************************//** +Sets the nth bit of a record lock to TRUE. */ +UNIV_INLINE +void +lock_rec_set_nth_bit( +/*=================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ +{ + ulint byte_index; + ulint bit_index; + + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + byte_index = i / 8; + bit_index = i % 8; + + ((byte*) &lock[1])[byte_index] |= 1 << bit_index; +} + +/**********************************************************************//** +Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, +if none found. +@return bit index == heap number of the record, or ULINT_UNDEFINED if +none found */ +UNIV_INTERN +ulint +lock_rec_find_set_bit( +/*==================*/ + const lock_t* lock) /*!< in: record lock with at least one bit set */ +{ + ulint i; + + for (i = 0; i < lock_rec_get_n_bits(lock); i++) { + + if (lock_rec_get_nth_bit(lock, i)) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Resets the nth bit of a record lock. */ +UNIV_INLINE +void +lock_rec_reset_nth_bit( +/*===================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit which must be set to TRUE + when this function is called */ +{ + ulint byte_index; + ulint bit_index; + + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + byte_index = i / 8; + bit_index = i % 8; + + ((byte*) &lock[1])[byte_index] &= ~(1 << bit_index); +} + +/*********************************************************************//** +Gets the first or next record lock on a page. +@return next lock, NULL if none exists */ +UNIV_INLINE +lock_t* +lock_rec_get_next_on_page( +/*======================*/ + lock_t* lock) /*!< in: a record lock */ +{ + ulint space; + ulint page_no; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + space = lock->un_member.rec_lock.space; + page_no = lock->un_member.rec_lock.page_no; + + for (;;) { + lock = HASH_GET_NEXT(hash, lock); + + if (!lock) { + + break; + } + + if ((lock->un_member.rec_lock.space == space) + && (lock->un_member.rec_lock.page_no == page_no)) { + + break; + } + } + + return(lock); +} + +/*********************************************************************//** +Gets the first record lock on a page, where the page is identified by its +file address. +@return first lock, NULL if none exists */ +UNIV_INLINE +lock_t* +lock_rec_get_first_on_page_addr( +/*============================*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = HASH_GET_FIRST(lock_sys->rec_hash, + lock_rec_hash(space, page_no)); + while (lock) { + if ((lock->un_member.rec_lock.space == space) + && (lock->un_member.rec_lock.page_no == page_no)) { + + break; + } + + lock = HASH_GET_NEXT(hash, lock); + } + + return(lock); +} + +/*********************************************************************//** +Returns TRUE if there are explicit record locks on a page. +@return TRUE if there are explicit record locks on the page */ +UNIV_INTERN +ibool +lock_rec_expl_exist_on_page( +/*========================*/ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ +{ + ibool ret; + + mutex_enter(&kernel_mutex); + + if (lock_rec_get_first_on_page_addr(space, page_no)) { + ret = TRUE; + } else { + ret = FALSE; + } + + mutex_exit(&kernel_mutex); + + return(ret); +} + +/*********************************************************************//** +Gets the first record lock on a page, where the page is identified by a +pointer to it. +@return first lock, NULL if none exists */ +UNIV_INLINE +lock_t* +lock_rec_get_first_on_page( +/*=======================*/ + const buf_block_t* block) /*!< in: buffer block */ +{ + ulint hash; + lock_t* lock; + ulint space = buf_block_get_space(block); + ulint page_no = buf_block_get_page_no(block); + + ut_ad(mutex_own(&kernel_mutex)); + + hash = buf_block_get_lock_hash_val(block); + + lock = HASH_GET_FIRST(lock_sys->rec_hash, hash); + + while (lock) { + if ((lock->un_member.rec_lock.space == space) + && (lock->un_member.rec_lock.page_no == page_no)) { + + break; + } + + lock = HASH_GET_NEXT(hash, lock); + } + + return(lock); +} + +/*********************************************************************//** +Gets the next explicit lock request on a record. +@return next lock, NULL if none exists or if heap_no == ULINT_UNDEFINED */ +UNIV_INLINE +lock_t* +lock_rec_get_next( +/*==============*/ + ulint heap_no,/*!< in: heap number of the record */ + lock_t* lock) /*!< in: lock */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + do { + ut_ad(lock_get_type_low(lock) == LOCK_REC); + lock = lock_rec_get_next_on_page(lock); + } while (lock && !lock_rec_get_nth_bit(lock, heap_no)); + + return(lock); +} + +/*********************************************************************//** +Gets the first explicit lock request on a record. +@return first lock, NULL if none exists */ +UNIV_INLINE +lock_t* +lock_rec_get_first( +/*===============*/ + const buf_block_t* block, /*!< in: block containing the record */ + ulint heap_no)/*!< in: heap number of the record */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + for (lock = lock_rec_get_first_on_page(block); lock; + lock = lock_rec_get_next_on_page(lock)) { + if (lock_rec_get_nth_bit(lock, heap_no)) { + break; + } + } + + return(lock); +} + +/*********************************************************************//** +Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock +pointer in the transaction! This function is used in lock object creation +and resetting. */ +static +void +lock_rec_bitmap_reset( +/*==================*/ + lock_t* lock) /*!< in: record lock */ +{ + ulint n_bytes; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + /* Reset to zero the bitmap which resides immediately after the lock + struct */ + + n_bytes = lock_rec_get_n_bits(lock) / 8; + + ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); + + memset(&lock[1], 0, n_bytes); +} + +/*********************************************************************//** +Copies a record lock to heap. +@return copy of lock */ +static +lock_t* +lock_rec_copy( +/*==========*/ + const lock_t* lock, /*!< in: record lock */ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ulint size; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + size = sizeof(lock_t) + lock_rec_get_n_bits(lock) / 8; + + return(mem_heap_dup(heap, lock, size)); +} + +/*********************************************************************//** +Gets the previous record lock set on a record. +@return previous lock on the same record, NULL if none exists */ +UNIV_INTERN +const lock_t* +lock_rec_get_prev( +/*==============*/ + const lock_t* in_lock,/*!< in: record lock */ + ulint heap_no)/*!< in: heap number of the record */ +{ + lock_t* lock; + ulint space; + ulint page_no; + lock_t* found_lock = NULL; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_type_low(in_lock) == LOCK_REC); + + space = in_lock->un_member.rec_lock.space; + page_no = in_lock->un_member.rec_lock.page_no; + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + for (;;) { + ut_ad(lock); + + if (lock == in_lock) { + + return(found_lock); + } + + if (lock_rec_get_nth_bit(lock, heap_no)) { + + found_lock = lock; + } + + lock = lock_rec_get_next_on_page(lock); + } +} + +/*============= FUNCTIONS FOR ANALYZING TABLE LOCK QUEUE ================*/ + +/*********************************************************************//** +Checks if a transaction has the specified table lock, or stronger. +@return lock or NULL */ +UNIV_INLINE +lock_t* +lock_table_has( +/*===========*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table */ + enum lock_mode mode) /*!< in: lock mode */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + /* Look for stronger locks the same trx already has on the table */ + + lock = UT_LIST_GET_LAST(table->locks); + + while (lock != NULL) { + + if (lock->trx == trx + && lock_mode_stronger_or_eq(lock_get_mode(lock), mode)) { + + /* The same trx already has locked the table in + a mode stronger or equal to the mode given */ + + ut_ad(!lock_get_wait(lock)); + + return(lock); + } + + lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, lock); + } + + return(NULL); +} + +/*============= FUNCTIONS FOR ANALYZING RECORD LOCK QUEUE ================*/ + +/*********************************************************************//** +Checks if a transaction has a GRANTED explicit lock on rec stronger or equal +to precise_mode. +@return lock or NULL */ +UNIV_INLINE +lock_t* +lock_rec_has_expl( +/*==============*/ + ulint precise_mode,/*!< in: LOCK_S or LOCK_X + possibly ORed to LOCK_GAP or + LOCK_REC_NOT_GAP, for a + supremum record we regard this + always a gap type request */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + trx_t* trx) /*!< in: transaction */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad((precise_mode & LOCK_MODE_MASK) == LOCK_S + || (precise_mode & LOCK_MODE_MASK) == LOCK_X); + ut_ad(!(precise_mode & LOCK_INSERT_INTENTION)); + + lock = lock_rec_get_first(block, heap_no); + + while (lock) { + if (lock->trx == trx + && lock_mode_stronger_or_eq(lock_get_mode(lock), + precise_mode & LOCK_MODE_MASK) + && !lock_get_wait(lock) + && (!lock_rec_get_rec_not_gap(lock) + || (precise_mode & LOCK_REC_NOT_GAP) + || heap_no == PAGE_HEAP_NO_SUPREMUM) + && (!lock_rec_get_gap(lock) + || (precise_mode & LOCK_GAP) + || heap_no == PAGE_HEAP_NO_SUPREMUM) + && (!lock_rec_get_insert_intention(lock))) { + + return(lock); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + return(NULL); +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Checks if some other transaction has a lock request in the queue. +@return lock or NULL */ +static +lock_t* +lock_rec_other_has_expl_req( +/*========================*/ + enum lock_mode mode, /*!< in: LOCK_S or LOCK_X */ + ulint gap, /*!< in: LOCK_GAP if also gap + locks are taken into account, + or 0 if not */ + ulint wait, /*!< in: LOCK_WAIT if also + waiting locks are taken into + account, or 0 if not */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + const trx_t* trx) /*!< in: transaction, or NULL if + requests by all transactions + are taken into account */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(mode == LOCK_X || mode == LOCK_S); + ut_ad(gap == 0 || gap == LOCK_GAP); + ut_ad(wait == 0 || wait == LOCK_WAIT); + + lock = lock_rec_get_first(block, heap_no); + + while (lock) { + if (lock->trx != trx + && (gap + || !(lock_rec_get_gap(lock) + || heap_no == PAGE_HEAP_NO_SUPREMUM)) + && (wait || !lock_get_wait(lock)) + && lock_mode_stronger_or_eq(lock_get_mode(lock), mode)) { + + return(lock); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + return(NULL); +} +#endif /* UNIV_DEBUG */ + +/*********************************************************************//** +Checks if some other transaction has a conflicting explicit lock request +in the queue, so that we have to wait. +@return lock or NULL */ +static +lock_t* +lock_rec_other_has_conflicting( +/*===========================*/ + enum lock_mode mode, /*!< in: LOCK_S or LOCK_X, + possibly ORed to LOCK_GAP or + LOC_REC_NOT_GAP, + LOCK_INSERT_INTENTION */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + trx_t* trx) /*!< in: our transaction */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = lock_rec_get_first(block, heap_no); + + if (UNIV_LIKELY_NULL(lock)) { + if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { + + do { + if (lock_rec_has_to_wait(trx, mode, lock, + TRUE)) { + return(lock); + } + + lock = lock_rec_get_next(heap_no, lock); + } while (lock); + } else { + + do { + if (lock_rec_has_to_wait(trx, mode, lock, + FALSE)) { + return(lock); + } + + lock = lock_rec_get_next(heap_no, lock); + } while (lock); + } + } + + return(NULL); +} + +/*********************************************************************//** +Looks for a suitable type record lock struct by the same trx on the same page. +This can be used to save space when a new record lock should be set on a page: +no new struct is needed, if a suitable old is found. +@return lock or NULL */ +UNIV_INLINE +lock_t* +lock_rec_find_similar_on_page( +/*==========================*/ + ulint type_mode, /*!< in: lock type_mode field */ + ulint heap_no, /*!< in: heap number of the record */ + lock_t* lock, /*!< in: lock_rec_get_first_on_page() */ + const trx_t* trx) /*!< in: transaction */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + while (lock != NULL) { + if (lock->trx == trx + && lock->type_mode == type_mode + && lock_rec_get_n_bits(lock) > heap_no) { + + return(lock); + } + + lock = lock_rec_get_next_on_page(lock); + } + + return(NULL); +} + +/*********************************************************************//** +Checks if some transaction has an implicit x-lock on a record in a secondary +index. +@return transaction which has the x-lock, or NULL */ +static +trx_t* +lock_sec_rec_some_has_impl_off_kernel( +/*==================================*/ + const rec_t* rec, /*!< in: user record */ + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + const page_t* page = page_align(rec); + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(!dict_index_is_clust(index)); + ut_ad(page_rec_is_user_rec(rec)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + /* Some transaction may have an implicit x-lock on the record only + if the max trx id for the page >= min trx id for the trx list, or + database recovery is running. We do not write the changes of a page + max trx id to the log, and therefore during recovery, this value + for a page may be incorrect. */ + + if (!(ut_dulint_cmp(page_get_max_trx_id(page), + trx_list_get_min_trx_id()) >= 0) + && !recv_recovery_is_on()) { + + return(NULL); + } + + /* Ok, in this case it is possible that some transaction has an + implicit x-lock. We have to look in the clustered index. */ + + if (!lock_check_trx_id_sanity(page_get_max_trx_id(page), + rec, index, offsets, TRUE)) { + buf_page_print(page, 0); + + /* The page is corrupt: try to avoid a crash by returning + NULL */ + return(NULL); + } + + return(row_vers_impl_x_locked_off_kernel(rec, index, offsets)); +} + +/*********************************************************************//** +Return approximate number or record locks (bits set in the bitmap) for +this transaction. Since delete-marked records may be removed, the +record count will not be precise. */ +UNIV_INTERN +ulint +lock_number_of_rows_locked( +/*=======================*/ + trx_t* trx) /*!< in: transaction */ +{ + lock_t* lock; + ulint n_records = 0; + ulint n_bits; + ulint n_bit; + + lock = UT_LIST_GET_FIRST(trx->trx_locks); + + while (lock) { + if (lock_get_type_low(lock) == LOCK_REC) { + n_bits = lock_rec_get_n_bits(lock); + + for (n_bit = 0; n_bit < n_bits; n_bit++) { + if (lock_rec_get_nth_bit(lock, n_bit)) { + n_records++; + } + } + } + + lock = UT_LIST_GET_NEXT(trx_locks, lock); + } + + return (n_records); +} + +/*============== RECORD LOCK CREATION AND QUEUE MANAGEMENT =============*/ + +/*********************************************************************//** +Creates a new record lock and inserts it to the lock queue. Does NOT check +for deadlocks or lock compatibility! +@return created lock */ +static +lock_t* +lock_rec_create( +/*============*/ + ulint type_mode,/*!< in: lock mode and wait + flag, type is ignored and + replaced by LOCK_REC */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + trx_t* trx) /*!< in: transaction */ +{ + lock_t* lock; + ulint page_no; + ulint space; + ulint n_bits; + ulint n_bytes; + const page_t* page; + + ut_ad(mutex_own(&kernel_mutex)); + + space = buf_block_get_space(block); + page_no = buf_block_get_page_no(block); + page = block->frame; + + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + + /* If rec is the supremum record, then we reset the gap and + LOCK_REC_NOT_GAP bits, as all locks on the supremum are + automatically of the gap type */ + + if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { + ut_ad(!(type_mode & LOCK_REC_NOT_GAP)); + + type_mode = type_mode & ~(LOCK_GAP | LOCK_REC_NOT_GAP); + } + + /* Make lock bitmap bigger by a safety margin */ + n_bits = page_dir_get_n_heap(page) + LOCK_PAGE_BITMAP_MARGIN; + n_bytes = 1 + n_bits / 8; + + lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t) + n_bytes); + + UT_LIST_ADD_LAST(trx_locks, trx->trx_locks, lock); + + lock->trx = trx; + + lock->type_mode = (type_mode & ~LOCK_TYPE_MASK) | LOCK_REC; + lock->index = index; + + lock->un_member.rec_lock.space = space; + lock->un_member.rec_lock.page_no = page_no; + lock->un_member.rec_lock.n_bits = n_bytes * 8; + + /* Reset to zero the bitmap which resides immediately after the + lock struct */ + + lock_rec_bitmap_reset(lock); + + /* Set the bit corresponding to rec */ + lock_rec_set_nth_bit(lock, heap_no); + + HASH_INSERT(lock_t, hash, lock_sys->rec_hash, + lock_rec_fold(space, page_no), lock); + if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { + + lock_set_lock_and_trx_wait(lock, trx); + } + + return(lock); +} + +/*********************************************************************//** +Enqueues a waiting request for a lock which cannot be granted immediately. +Checks for deadlocks. +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or +DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another +transaction was chosen as a victim, and we got the lock immediately: +no need to wait then */ +static +ulint +lock_rec_enqueue_waiting( +/*=====================*/ + ulint type_mode,/*!< in: lock mode this + transaction is requesting: + LOCK_S or LOCK_X, possibly + ORed with LOCK_GAP or + LOCK_REC_NOT_GAP, ORed with + LOCK_INSERT_INTENTION if this + waiting lock request is set + when performing an insert of + an index record */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ +{ + lock_t* lock; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + + /* Test if there already is some other reason to suspend thread: + we do not enqueue a lock request if the query thread should be + stopped anyway */ + + if (UNIV_UNLIKELY(que_thr_stop(thr))) { + + ut_error; + + return(DB_QUE_THR_SUSPENDED); + } + + trx = thr_get_trx(thr); + + switch (trx_get_dict_operation(trx)) { + case TRX_DICT_OP_NONE: + break; + case TRX_DICT_OP_TABLE: + case TRX_DICT_OP_INDEX: + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: a record lock wait happens" + " in a dictionary operation!\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + fputs(".\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", + stderr); + } + + /* Enqueue the lock request that will wait to be granted */ + lock = lock_rec_create(type_mode | LOCK_WAIT, + block, heap_no, index, trx); + + /* Check if a deadlock occurs: if yes, remove the lock request and + return an error code */ + + if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, trx))) { + + lock_reset_lock_and_trx_wait(lock); + lock_rec_reset_nth_bit(lock, heap_no); + + return(DB_DEADLOCK); + } + + /* If there was a deadlock but we chose another transaction as a + victim, it is possible that we already have the lock now granted! */ + + if (trx->wait_lock == NULL) { + + return(DB_SUCCESS); + } + + trx->que_state = TRX_QUE_LOCK_WAIT; + trx->was_chosen_as_deadlock_victim = FALSE; + trx->wait_started = time(NULL); + + ut_a(que_thr_stop(thr)); + +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fprintf(stderr, "Lock wait for trx %lu in index ", + (ulong) ut_dulint_get_low(trx->id)); + ut_print_name(stderr, trx, FALSE, index->name); + } +#endif /* UNIV_DEBUG */ + + return(DB_LOCK_WAIT); +} + +/*********************************************************************//** +Adds a record lock request in the record queue. The request is normally +added as the last in the queue, but if there are no waiting lock requests +on the record, and the request to be added is not a waiting request, we +can reuse a suitable record lock object already existing on the same page, +just setting the appropriate bit in its bitmap. This is a low-level function +which does NOT check for deadlocks or lock compatibility! +@return lock where the bit was set */ +static +lock_t* +lock_rec_add_to_queue( +/*==================*/ + ulint type_mode,/*!< in: lock mode, wait, gap + etc. flags; type is ignored + and replaced by LOCK_REC */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of the record */ + dict_index_t* index, /*!< in: index of record */ + trx_t* trx) /*!< in: transaction */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); +#ifdef UNIV_DEBUG + switch (type_mode & LOCK_MODE_MASK) { + case LOCK_X: + case LOCK_S: + break; + default: + ut_error; + } + + if (!(type_mode & (LOCK_WAIT | LOCK_GAP))) { + enum lock_mode mode = (type_mode & LOCK_MODE_MASK) == LOCK_S + ? LOCK_X + : LOCK_S; + lock_t* other_lock + = lock_rec_other_has_expl_req(mode, 0, LOCK_WAIT, + block, heap_no, trx); + ut_a(!other_lock); + } +#endif /* UNIV_DEBUG */ + + type_mode |= LOCK_REC; + + /* If rec is the supremum record, then we can reset the gap bit, as + all locks on the supremum are automatically of the gap type, and we + try to avoid unnecessary memory consumption of a new record lock + struct for a gap type lock */ + + if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { + ut_ad(!(type_mode & LOCK_REC_NOT_GAP)); + + /* There should never be LOCK_REC_NOT_GAP on a supremum + record, but let us play safe */ + + type_mode = type_mode & ~(LOCK_GAP | LOCK_REC_NOT_GAP); + } + + /* Look for a waiting lock request on the same record or on a gap */ + + lock = lock_rec_get_first_on_page(block); + + while (lock != NULL) { + if (lock_get_wait(lock) + && (lock_rec_get_nth_bit(lock, heap_no))) { + + goto somebody_waits; + } + + lock = lock_rec_get_next_on_page(lock); + } + + if (UNIV_LIKELY(!(type_mode & LOCK_WAIT))) { + + /* Look for a similar record lock on the same page: + if one is found and there are no waiting lock requests, + we can just set the bit */ + + lock = lock_rec_find_similar_on_page( + type_mode, heap_no, + lock_rec_get_first_on_page(block), trx); + + if (lock) { + + lock_rec_set_nth_bit(lock, heap_no); + + return(lock); + } + } + +somebody_waits: + return(lock_rec_create(type_mode, block, heap_no, index, trx)); +} + +/*********************************************************************//** +This is a fast routine for locking a record in the most common cases: +there are no explicit locks on the page, or there is just one lock, owned +by this transaction, and of the right type_mode. This is a low-level function +which does NOT look at implicit locks! Checks lock compatibility within +explicit locks. This function sets a normal next-key lock, or in the case of +a page supremum record, a gap type lock. +@return TRUE if locking succeeded */ +UNIV_INLINE +ibool +lock_rec_lock_fast( +/*===============*/ + ibool impl, /*!< in: if TRUE, no lock is set + if no wait is necessary: we + assume that the caller will + set an implicit lock */ + ulint mode, /*!< in: lock mode: LOCK_X or + LOCK_S possibly ORed to either + LOCK_GAP or LOCK_REC_NOT_GAP */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ +{ + lock_t* lock; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_S + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_X + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + ut_ad((LOCK_MODE_MASK & mode) == LOCK_S + || (LOCK_MODE_MASK & mode) == LOCK_X); + ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP + || mode - (LOCK_MODE_MASK & mode) == 0 + || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP); + + lock = lock_rec_get_first_on_page(block); + + trx = thr_get_trx(thr); + + if (lock == NULL) { + if (!impl) { + lock_rec_create(mode, block, heap_no, index, trx); + } + + return(TRUE); + } + + if (lock_rec_get_next_on_page(lock)) { + + return(FALSE); + } + + if (lock->trx != trx + || lock->type_mode != (mode | LOCK_REC) + || lock_rec_get_n_bits(lock) <= heap_no) { + + return(FALSE); + } + + if (!impl) { + /* If the nth bit of the record lock is already set then we + do not set a new lock bit, otherwise we do set */ + + if (!lock_rec_get_nth_bit(lock, heap_no)) { + lock_rec_set_nth_bit(lock, heap_no); + } + } + + return(TRUE); +} + +/*********************************************************************//** +This is the general, and slower, routine for locking a record. This is a +low-level function which does NOT look at implicit locks! Checks lock +compatibility within explicit locks. This function sets a normal next-key +lock, or in the case of a page supremum record, a gap type lock. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ +static +ulint +lock_rec_lock_slow( +/*===============*/ + ibool impl, /*!< in: if TRUE, no lock is set + if no wait is necessary: we + assume that the caller will + set an implicit lock */ + ulint mode, /*!< in: lock mode: LOCK_X or + LOCK_S possibly ORed to either + LOCK_GAP or LOCK_REC_NOT_GAP */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + ulint err; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_S + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_X + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + ut_ad((LOCK_MODE_MASK & mode) == LOCK_S + || (LOCK_MODE_MASK & mode) == LOCK_X); + ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP + || mode - (LOCK_MODE_MASK & mode) == 0 + || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP); + + trx = thr_get_trx(thr); + + if (lock_rec_has_expl(mode, block, heap_no, trx)) { + /* The trx already has a strong enough lock on rec: do + nothing */ + + err = DB_SUCCESS; + } else if (lock_rec_other_has_conflicting(mode, block, heap_no, trx)) { + + /* If another transaction has a non-gap conflicting request in + the queue, as this transaction does not have a lock strong + enough already granted on the record, we have to wait. */ + + err = lock_rec_enqueue_waiting(mode, block, heap_no, + index, thr); + } else { + if (!impl) { + /* Set the requested lock on the record */ + + lock_rec_add_to_queue(LOCK_REC | mode, block, + heap_no, index, trx); + } + + err = DB_SUCCESS; + } + + return(err); +} + +/*********************************************************************//** +Tries to lock the specified record in the mode requested. If not immediately +possible, enqueues a waiting lock request. This is a low-level function +which does NOT look at implicit locks! Checks lock compatibility within +explicit locks. This function sets a normal next-key lock, or in the case +of a page supremum record, a gap type lock. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ +static +ulint +lock_rec_lock( +/*==========*/ + ibool impl, /*!< in: if TRUE, no lock is set + if no wait is necessary: we + assume that the caller will + set an implicit lock */ + ulint mode, /*!< in: lock mode: LOCK_X or + LOCK_S possibly ORed to either + LOCK_GAP or LOCK_REC_NOT_GAP */ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no,/*!< in: heap number of record */ + dict_index_t* index, /*!< in: index of record */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_S + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); + ut_ad((LOCK_MODE_MASK & mode) != LOCK_X + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + ut_ad((LOCK_MODE_MASK & mode) == LOCK_S + || (LOCK_MODE_MASK & mode) == LOCK_X); + ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP + || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP + || mode - (LOCK_MODE_MASK & mode) == 0); + + if (lock_rec_lock_fast(impl, mode, block, heap_no, index, thr)) { + + /* We try a simplified and faster subroutine for the most + common cases */ + + err = DB_SUCCESS; + } else { + err = lock_rec_lock_slow(impl, mode, block, + heap_no, index, thr); + } + + return(err); +} + +/*********************************************************************//** +Checks if a waiting record lock request still has to wait in a queue. +@return TRUE if still has to wait */ +static +ibool +lock_rec_has_to_wait_in_queue( +/*==========================*/ + lock_t* wait_lock) /*!< in: waiting record lock */ +{ + lock_t* lock; + ulint space; + ulint page_no; + ulint heap_no; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_wait(wait_lock)); + ut_ad(lock_get_type_low(wait_lock) == LOCK_REC); + + space = wait_lock->un_member.rec_lock.space; + page_no = wait_lock->un_member.rec_lock.page_no; + heap_no = lock_rec_find_set_bit(wait_lock); + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + while (lock != wait_lock) { + + if (lock_rec_get_nth_bit(lock, heap_no) + && lock_has_to_wait(wait_lock, lock)) { + + return(TRUE); + } + + lock = lock_rec_get_next_on_page(lock); + } + + return(FALSE); +} + +/*************************************************************//** +Grants a lock to a waiting lock request and releases the waiting +transaction. */ +static +void +lock_grant( +/*=======*/ + lock_t* lock) /*!< in/out: waiting lock request */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + lock_reset_lock_and_trx_wait(lock); + + if (lock_get_mode(lock) == LOCK_AUTO_INC) { + trx_t* trx = lock->trx; + dict_table_t* table = lock->un_member.tab_lock.table; + + if (table->autoinc_trx == trx) { + fprintf(stderr, + "InnoDB: Error: trx already had" + " an AUTO-INC lock!\n"); + } else { + table->autoinc_trx = trx; + + ib_vector_push(trx->autoinc_locks, lock); + } + } + +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fprintf(stderr, "Lock wait for trx %lu ends\n", + (ulong) ut_dulint_get_low(lock->trx->id)); + } +#endif /* UNIV_DEBUG */ + + /* If we are resolving a deadlock by choosing another transaction + as a victim, then our original transaction may not be in the + TRX_QUE_LOCK_WAIT state, and there is no need to end the lock wait + for it */ + + if (lock->trx->que_state == TRX_QUE_LOCK_WAIT) { + trx_end_lock_wait(lock->trx); + } +} + +/*************************************************************//** +Cancels a waiting record lock request and releases the waiting transaction +that requested it. NOTE: does NOT check if waiting lock requests behind this +one can now be granted! */ +static +void +lock_rec_cancel( +/*============*/ + lock_t* lock) /*!< in: waiting record lock request */ +{ + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + /* Reset the bit (there can be only one set bit) in the lock bitmap */ + lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit(lock)); + + /* Reset the wait flag and the back pointer to lock in trx */ + + lock_reset_lock_and_trx_wait(lock); + + /* The following function releases the trx from lock wait */ + + trx_end_lock_wait(lock->trx); +} + +/*************************************************************//** +Removes a record lock request, waiting or granted, from the queue and +grants locks to other transactions in the queue if they now are entitled +to a lock. NOTE: all record locks contained in in_lock are removed. */ +static +void +lock_rec_dequeue_from_page( +/*=======================*/ + lock_t* in_lock)/*!< in: record lock object: all record locks which + are contained in this lock object are removed; + transactions waiting behind will get their lock + requests granted, if they are now qualified to it */ +{ + ulint space; + ulint page_no; + lock_t* lock; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_type_low(in_lock) == LOCK_REC); + + trx = in_lock->trx; + + space = in_lock->un_member.rec_lock.space; + page_no = in_lock->un_member.rec_lock.page_no; + + HASH_DELETE(lock_t, hash, lock_sys->rec_hash, + lock_rec_fold(space, page_no), in_lock); + + UT_LIST_REMOVE(trx_locks, trx->trx_locks, in_lock); + + /* Check if waiting locks in the queue can now be granted: grant + locks if there are no conflicting locks ahead. */ + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + while (lock != NULL) { + if (lock_get_wait(lock) + && !lock_rec_has_to_wait_in_queue(lock)) { + + /* Grant the lock */ + lock_grant(lock); + } + + lock = lock_rec_get_next_on_page(lock); + } +} + +/*************************************************************//** +Removes a record lock request, waiting or granted, from the queue. */ +static +void +lock_rec_discard( +/*=============*/ + lock_t* in_lock)/*!< in: record lock object: all record locks which + are contained in this lock object are removed */ +{ + ulint space; + ulint page_no; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_type_low(in_lock) == LOCK_REC); + + trx = in_lock->trx; + + space = in_lock->un_member.rec_lock.space; + page_no = in_lock->un_member.rec_lock.page_no; + + HASH_DELETE(lock_t, hash, lock_sys->rec_hash, + lock_rec_fold(space, page_no), in_lock); + + UT_LIST_REMOVE(trx_locks, trx->trx_locks, in_lock); +} + +/*************************************************************//** +Removes record lock objects set on an index page which is discarded. This +function does not move locks, or check for waiting locks, therefore the +lock bitmaps must already be reset when this function is called. */ +static +void +lock_rec_free_all_from_discard_page( +/*================================*/ + const buf_block_t* block) /*!< in: page to be discarded */ +{ + ulint space; + ulint page_no; + lock_t* lock; + lock_t* next_lock; + + ut_ad(mutex_own(&kernel_mutex)); + + space = buf_block_get_space(block); + page_no = buf_block_get_page_no(block); + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + while (lock != NULL) { + ut_ad(lock_rec_find_set_bit(lock) == ULINT_UNDEFINED); + ut_ad(!lock_get_wait(lock)); + + next_lock = lock_rec_get_next_on_page(lock); + + lock_rec_discard(lock); + + lock = next_lock; + } +} + +/*============= RECORD LOCK MOVING AND INHERITING ===================*/ + +/*************************************************************//** +Resets the lock bits for a single record. Releases transactions waiting for +lock requests here. */ +static +void +lock_rec_reset_and_release_wait( +/*============================*/ + const buf_block_t* block, /*!< in: buffer block containing + the record */ + ulint heap_no)/*!< in: heap number of record */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = lock_rec_get_first(block, heap_no); + + while (lock != NULL) { + if (lock_get_wait(lock)) { + lock_rec_cancel(lock); + } else { + lock_rec_reset_nth_bit(lock, heap_no); + } + + lock = lock_rec_get_next(heap_no, lock); + } +} + +/*************************************************************//** +Makes a record to inherit the locks (except LOCK_INSERT_INTENTION type) +of another record as gap type locks, but does not reset the lock bits of +the other record. Also waiting lock requests on rec are inherited as +GRANTED gap locks. */ +static +void +lock_rec_inherit_to_gap( +/*====================*/ + const buf_block_t* heir_block, /*!< in: block containing the + record which inherits */ + const buf_block_t* block, /*!< in: block containing the + record from which inherited; + does NOT reset the locks on + this record */ + ulint heir_heap_no, /*!< in: heap_no of the + inheriting record */ + ulint heap_no) /*!< in: heap_no of the + donating record */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = lock_rec_get_first(block, heap_no); + + /* If srv_locks_unsafe_for_binlog is TRUE or session is using + READ COMMITTED isolation level, we do not want locks set + by an UPDATE or a DELETE to be inherited as gap type locks. But we + DO want S-locks set by a consistency constraint to be inherited also + then. */ + + while (lock != NULL) { + if (!lock_rec_get_insert_intention(lock) + && !((srv_locks_unsafe_for_binlog + || lock->trx->isolation_level + == TRX_ISO_READ_COMMITTED) + && lock_get_mode(lock) == LOCK_X)) { + + lock_rec_add_to_queue(LOCK_REC | LOCK_GAP + | lock_get_mode(lock), + heir_block, heir_heap_no, + lock->index, lock->trx); + } + + lock = lock_rec_get_next(heap_no, lock); + } +} + +/*************************************************************//** +Makes a record to inherit the gap locks (except LOCK_INSERT_INTENTION type) +of another record as gap type locks, but does not reset the lock bits of the +other record. Also waiting lock requests are inherited as GRANTED gap locks. */ +static +void +lock_rec_inherit_to_gap_if_gap_lock( +/*================================*/ + const buf_block_t* block, /*!< in: buffer block */ + ulint heir_heap_no, /*!< in: heap_no of + record which inherits */ + ulint heap_no) /*!< in: heap_no of record + from which inherited; + does NOT reset the locks + on this record */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = lock_rec_get_first(block, heap_no); + + while (lock != NULL) { + if (!lock_rec_get_insert_intention(lock) + && (heap_no == PAGE_HEAP_NO_SUPREMUM + || !lock_rec_get_rec_not_gap(lock))) { + + lock_rec_add_to_queue(LOCK_REC | LOCK_GAP + | lock_get_mode(lock), + block, heir_heap_no, + lock->index, lock->trx); + } + + lock = lock_rec_get_next(heap_no, lock); + } +} + +/*************************************************************//** +Moves the locks of a record to another record and resets the lock bits of +the donating record. */ +static +void +lock_rec_move( +/*==========*/ + const buf_block_t* receiver, /*!< in: buffer block containing + the receiving record */ + const buf_block_t* donator, /*!< in: buffer block containing + the donating record */ + ulint receiver_heap_no,/*!< in: heap_no of the record + which gets the locks; there + must be no lock requests + on it! */ + ulint donator_heap_no)/*!< in: heap_no of the record + which gives the locks */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = lock_rec_get_first(donator, donator_heap_no); + + ut_ad(lock_rec_get_first(receiver, receiver_heap_no) == NULL); + + while (lock != NULL) { + const ulint type_mode = lock->type_mode; + + lock_rec_reset_nth_bit(lock, donator_heap_no); + + if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { + lock_reset_lock_and_trx_wait(lock); + } + + /* Note that we FIRST reset the bit, and then set the lock: + the function works also if donator == receiver */ + + lock_rec_add_to_queue(type_mode, receiver, receiver_heap_no, + lock->index, lock->trx); + lock = lock_rec_get_next(donator_heap_no, lock); + } + + ut_ad(lock_rec_get_first(donator, donator_heap_no) == NULL); +} + +/*************************************************************//** +Updates the lock table when we have reorganized a page. NOTE: we copy +also the locks set on the infimum of the page; the infimum may carry +locks if an update of a record is occurring on the page, and its locks +were temporarily stored on the infimum. */ +UNIV_INTERN +void +lock_move_reorganize_page( +/*======================*/ + const buf_block_t* block, /*!< in: old index page, now + reorganized */ + const buf_block_t* oblock) /*!< in: copy of the old, not + reorganized page */ +{ + lock_t* lock; + UT_LIST_BASE_NODE_T(lock_t) old_locks; + mem_heap_t* heap = NULL; + ulint comp; + + lock_mutex_enter_kernel(); + + lock = lock_rec_get_first_on_page(block); + + if (lock == NULL) { + lock_mutex_exit_kernel(); + + return; + } + + heap = mem_heap_create(256); + + /* Copy first all the locks on the page to heap and reset the + bitmaps in the original locks; chain the copies of the locks + using the trx_locks field in them. */ + + UT_LIST_INIT(old_locks); + + do { + /* Make a copy of the lock */ + lock_t* old_lock = lock_rec_copy(lock, heap); + + UT_LIST_ADD_LAST(trx_locks, old_locks, old_lock); + + /* Reset bitmap of lock */ + lock_rec_bitmap_reset(lock); + + if (lock_get_wait(lock)) { + lock_reset_lock_and_trx_wait(lock); + } + + lock = lock_rec_get_next_on_page(lock); + } while (lock != NULL); + + comp = page_is_comp(block->frame); + ut_ad(comp == page_is_comp(oblock->frame)); + + for (lock = UT_LIST_GET_FIRST(old_locks); lock; + lock = UT_LIST_GET_NEXT(trx_locks, lock)) { + /* NOTE: we copy also the locks set on the infimum and + supremum of the page; the infimum may carry locks if an + update of a record is occurring on the page, and its locks + were temporarily stored on the infimum */ + page_cur_t cur1; + page_cur_t cur2; + + page_cur_set_before_first(block, &cur1); + page_cur_set_before_first(oblock, &cur2); + + /* Set locks according to old locks */ + for (;;) { + ulint old_heap_no; + ulint new_heap_no; + + ut_ad(comp || !memcmp(page_cur_get_rec(&cur1), + page_cur_get_rec(&cur2), + rec_get_data_size_old( + page_cur_get_rec( + &cur2)))); + if (UNIV_LIKELY(comp)) { + old_heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur2)); + new_heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur1)); + } else { + old_heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur2)); + new_heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur1)); + } + + if (lock_rec_get_nth_bit(lock, old_heap_no)) { + + /* Clear the bit in old_lock. */ + ut_d(lock_rec_reset_nth_bit(lock, + old_heap_no)); + + /* NOTE that the old lock bitmap could be too + small for the new heap number! */ + + lock_rec_add_to_queue(lock->type_mode, block, + new_heap_no, + lock->index, lock->trx); + + /* if (new_heap_no == PAGE_HEAP_NO_SUPREMUM + && lock_get_wait(lock)) { + fprintf(stderr, + "---\n--\n!!!Lock reorg: supr type %lu\n", + lock->type_mode); + } */ + } + + if (UNIV_UNLIKELY + (new_heap_no == PAGE_HEAP_NO_SUPREMUM)) { + + ut_ad(old_heap_no == PAGE_HEAP_NO_SUPREMUM); + break; + } + + page_cur_move_to_next(&cur1); + page_cur_move_to_next(&cur2); + } + +#ifdef UNIV_DEBUG + { + ulint i = lock_rec_find_set_bit(lock); + + /* Check that all locks were moved. */ + if (UNIV_UNLIKELY(i != ULINT_UNDEFINED)) { + fprintf(stderr, + "lock_move_reorganize_page():" + " %lu not moved in %p\n", + (ulong) i, (void*) lock); + ut_error; + } + } +#endif /* UNIV_DEBUG */ + } + + lock_mutex_exit_kernel(); + + mem_heap_free(heap); + +#ifdef UNIV_DEBUG_LOCK_VALIDATE + ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), + buf_block_get_page_no(block))); +#endif +} + +/*************************************************************//** +Moves the explicit locks on user records to another page if a record +list end is moved to another page. */ +UNIV_INTERN +void +lock_move_rec_list_end( +/*===================*/ + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec) /*!< in: record on page: this + is the first record moved */ +{ + lock_t* lock; + const ulint comp = page_rec_is_comp(rec); + + lock_mutex_enter_kernel(); + + /* Note: when we move locks from record to record, waiting locks + and possible granted gap type locks behind them are enqueued in + the original order, because new elements are inserted to a hash + table to the end of the hash chain, and lock_rec_add_to_queue + does not reuse locks if there are waiters in the queue. */ + + for (lock = lock_rec_get_first_on_page(block); lock; + lock = lock_rec_get_next_on_page(lock)) { + page_cur_t cur1; + page_cur_t cur2; + const ulint type_mode = lock->type_mode; + + page_cur_position(rec, block, &cur1); + + if (page_cur_is_before_first(&cur1)) { + page_cur_move_to_next(&cur1); + } + + page_cur_set_before_first(new_block, &cur2); + page_cur_move_to_next(&cur2); + + /* Copy lock requests on user records to new page and + reset the lock bits on the old */ + + while (!page_cur_is_after_last(&cur1)) { + ulint heap_no; + + if (comp) { + heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur1)); + } else { + heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur1)); + ut_ad(!memcmp(page_cur_get_rec(&cur1), + page_cur_get_rec(&cur2), + rec_get_data_size_old( + page_cur_get_rec(&cur2)))); + } + + if (lock_rec_get_nth_bit(lock, heap_no)) { + lock_rec_reset_nth_bit(lock, heap_no); + + if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { + lock_reset_lock_and_trx_wait(lock); + } + + if (comp) { + heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur2)); + } else { + heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur2)); + } + + lock_rec_add_to_queue(type_mode, + new_block, heap_no, + lock->index, lock->trx); + } + + page_cur_move_to_next(&cur1); + page_cur_move_to_next(&cur2); + } + } + + lock_mutex_exit_kernel(); + +#ifdef UNIV_DEBUG_LOCK_VALIDATE + ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), + buf_block_get_page_no(block))); + ut_ad(lock_rec_validate_page(buf_block_get_space(new_block), + buf_block_get_zip_size(block), + buf_block_get_page_no(new_block))); +#endif +} + +/*************************************************************//** +Moves the explicit locks on user records to another page if a record +list start is moved to another page. */ +UNIV_INTERN +void +lock_move_rec_list_start( +/*=====================*/ + const buf_block_t* new_block, /*!< in: index page to move to */ + const buf_block_t* block, /*!< in: index page */ + const rec_t* rec, /*!< in: record on page: + this is the first + record NOT copied */ + const rec_t* old_end) /*!< in: old + previous-to-last + record on new_page + before the records + were copied */ +{ + lock_t* lock; + const ulint comp = page_rec_is_comp(rec); + + ut_ad(block->frame == page_align(rec)); + ut_ad(new_block->frame == page_align(old_end)); + + lock_mutex_enter_kernel(); + + for (lock = lock_rec_get_first_on_page(block); lock; + lock = lock_rec_get_next_on_page(lock)) { + page_cur_t cur1; + page_cur_t cur2; + const ulint type_mode = lock->type_mode; + + page_cur_set_before_first(block, &cur1); + page_cur_move_to_next(&cur1); + + page_cur_position(old_end, new_block, &cur2); + page_cur_move_to_next(&cur2); + + /* Copy lock requests on user records to new page and + reset the lock bits on the old */ + + while (page_cur_get_rec(&cur1) != rec) { + ulint heap_no; + + if (comp) { + heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur1)); + } else { + heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur1)); + ut_ad(!memcmp(page_cur_get_rec(&cur1), + page_cur_get_rec(&cur2), + rec_get_data_size_old( + page_cur_get_rec( + &cur2)))); + } + + if (lock_rec_get_nth_bit(lock, heap_no)) { + lock_rec_reset_nth_bit(lock, heap_no); + + if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { + lock_reset_lock_and_trx_wait(lock); + } + + if (comp) { + heap_no = rec_get_heap_no_new( + page_cur_get_rec(&cur2)); + } else { + heap_no = rec_get_heap_no_old( + page_cur_get_rec(&cur2)); + } + + lock_rec_add_to_queue(type_mode, + new_block, heap_no, + lock->index, lock->trx); + } + + page_cur_move_to_next(&cur1); + page_cur_move_to_next(&cur2); + } + +#ifdef UNIV_DEBUG + if (page_rec_is_supremum(rec)) { + ulint i; + + for (i = PAGE_HEAP_NO_USER_LOW; + i < lock_rec_get_n_bits(lock); i++) { + if (UNIV_UNLIKELY + (lock_rec_get_nth_bit(lock, i))) { + + fprintf(stderr, + "lock_move_rec_list_start():" + " %lu not moved in %p\n", + (ulong) i, (void*) lock); + ut_error; + } + } + } +#endif /* UNIV_DEBUG */ + } + + lock_mutex_exit_kernel(); + +#ifdef UNIV_DEBUG_LOCK_VALIDATE + ut_ad(lock_rec_validate_page(buf_block_get_space(block), + buf_block_get_zip_size(block), + buf_block_get_page_no(block))); +#endif +} + +/*************************************************************//** +Updates the lock table when a page is split to the right. */ +UNIV_INTERN +void +lock_update_split_right( +/*====================*/ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block) /*!< in: left page */ +{ + ulint heap_no = lock_get_min_heap_no(right_block); + + lock_mutex_enter_kernel(); + + /* Move the locks on the supremum of the left page to the supremum + of the right page */ + + lock_rec_move(right_block, left_block, + PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); + + /* Inherit the locks to the supremum of left page from the successor + of the infimum on right page */ + + lock_rec_inherit_to_gap(left_block, right_block, + PAGE_HEAP_NO_SUPREMUM, heap_no); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a page is merged to the right. */ +UNIV_INTERN +void +lock_update_merge_right( +/*====================*/ + const buf_block_t* right_block, /*!< in: right page to + which merged */ + const rec_t* orig_succ, /*!< in: original + successor of infimum + on the right page + before merge */ + const buf_block_t* left_block) /*!< in: merged index + page which will be + discarded */ +{ + lock_mutex_enter_kernel(); + + /* Inherit the locks from the supremum of the left page to the + original successor of infimum on the right page, to which the left + page was merged */ + + lock_rec_inherit_to_gap(right_block, left_block, + page_rec_get_heap_no(orig_succ), + PAGE_HEAP_NO_SUPREMUM); + + /* Reset the locks on the supremum of the left page, releasing + waiting transactions */ + + lock_rec_reset_and_release_wait(left_block, + PAGE_HEAP_NO_SUPREMUM); + + lock_rec_free_all_from_discard_page(left_block); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when the root page is copied to another in +btr_root_raise_and_insert. Note that we leave lock structs on the +root page, even though they do not make sense on other than leaf +pages: the reason is that in a pessimistic update the infimum record +of the root page will act as a dummy carrier of the locks of the record +to be updated. */ +UNIV_INTERN +void +lock_update_root_raise( +/*===================*/ + const buf_block_t* block, /*!< in: index page to which copied */ + const buf_block_t* root) /*!< in: root page */ +{ + lock_mutex_enter_kernel(); + + /* Move the locks on the supremum of the root to the supremum + of block */ + + lock_rec_move(block, root, + PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a page is copied to another and the original page +is removed from the chain of leaf pages, except if page is the root! */ +UNIV_INTERN +void +lock_update_copy_and_discard( +/*=========================*/ + const buf_block_t* new_block, /*!< in: index page to + which copied */ + const buf_block_t* block) /*!< in: index page; + NOT the root! */ +{ + lock_mutex_enter_kernel(); + + /* Move the locks on the supremum of the old page to the supremum + of new_page */ + + lock_rec_move(new_block, block, + PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); + lock_rec_free_all_from_discard_page(block); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a page is split to the left. */ +UNIV_INTERN +void +lock_update_split_left( +/*===================*/ + const buf_block_t* right_block, /*!< in: right page */ + const buf_block_t* left_block) /*!< in: left page */ +{ + ulint heap_no = lock_get_min_heap_no(right_block); + + lock_mutex_enter_kernel(); + + /* Inherit the locks to the supremum of the left page from the + successor of the infimum on the right page */ + + lock_rec_inherit_to_gap(left_block, right_block, + PAGE_HEAP_NO_SUPREMUM, heap_no); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a page is merged to the left. */ +UNIV_INTERN +void +lock_update_merge_left( +/*===================*/ + const buf_block_t* left_block, /*!< in: left page to + which merged */ + const rec_t* orig_pred, /*!< in: original predecessor + of supremum on the left page + before merge */ + const buf_block_t* right_block) /*!< in: merged index page + which will be discarded */ +{ + const rec_t* left_next_rec; + + ut_ad(left_block->frame == page_align(orig_pred)); + + lock_mutex_enter_kernel(); + + left_next_rec = page_rec_get_next_const(orig_pred); + + if (!page_rec_is_supremum(left_next_rec)) { + + /* Inherit the locks on the supremum of the left page to the + first record which was moved from the right page */ + + lock_rec_inherit_to_gap(left_block, left_block, + page_rec_get_heap_no(left_next_rec), + PAGE_HEAP_NO_SUPREMUM); + + /* Reset the locks on the supremum of the left page, + releasing waiting transactions */ + + lock_rec_reset_and_release_wait(left_block, + PAGE_HEAP_NO_SUPREMUM); + } + + /* Move the locks from the supremum of right page to the supremum + of the left page */ + + lock_rec_move(left_block, right_block, + PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); + + lock_rec_free_all_from_discard_page(right_block); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Resets the original locks on heir and replaces them with gap type locks +inherited from rec. */ +UNIV_INTERN +void +lock_rec_reset_and_inherit_gap_locks( +/*=================================*/ + const buf_block_t* heir_block, /*!< in: block containing the + record which inherits */ + const buf_block_t* block, /*!< in: block containing the + record from which inherited; + does NOT reset the locks on + this record */ + ulint heir_heap_no, /*!< in: heap_no of the + inheriting record */ + ulint heap_no) /*!< in: heap_no of the + donating record */ +{ + mutex_enter(&kernel_mutex); + + lock_rec_reset_and_release_wait(heir_block, heir_heap_no); + + lock_rec_inherit_to_gap(heir_block, block, heir_heap_no, heap_no); + + mutex_exit(&kernel_mutex); +} + +/*************************************************************//** +Updates the lock table when a page is discarded. */ +UNIV_INTERN +void +lock_update_discard( +/*================*/ + const buf_block_t* heir_block, /*!< in: index page + which will inherit the locks */ + ulint heir_heap_no, /*!< in: heap_no of the record + which will inherit the locks */ + const buf_block_t* block) /*!< in: index page + which will be discarded */ +{ + const page_t* page = block->frame; + const rec_t* rec; + ulint heap_no; + + lock_mutex_enter_kernel(); + + if (!lock_rec_get_first_on_page(block)) { + /* No locks exist on page, nothing to do */ + + lock_mutex_exit_kernel(); + + return; + } + + /* Inherit all the locks on the page to the record and reset all + the locks on the page */ + + if (page_is_comp(page)) { + rec = page + PAGE_NEW_INFIMUM; + + do { + heap_no = rec_get_heap_no_new(rec); + + lock_rec_inherit_to_gap(heir_block, block, + heir_heap_no, heap_no); + + lock_rec_reset_and_release_wait(block, heap_no); + + rec = page + rec_get_next_offs(rec, TRUE); + } while (heap_no != PAGE_HEAP_NO_SUPREMUM); + } else { + rec = page + PAGE_OLD_INFIMUM; + + do { + heap_no = rec_get_heap_no_old(rec); + + lock_rec_inherit_to_gap(heir_block, block, + heir_heap_no, heap_no); + + lock_rec_reset_and_release_wait(block, heap_no); + + rec = page + rec_get_next_offs(rec, FALSE); + } while (heap_no != PAGE_HEAP_NO_SUPREMUM); + } + + lock_rec_free_all_from_discard_page(block); + + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a new user record is inserted. */ +UNIV_INTERN +void +lock_update_insert( +/*===============*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: the inserted record */ +{ + ulint receiver_heap_no; + ulint donator_heap_no; + + ut_ad(block->frame == page_align(rec)); + + /* Inherit the gap-locking locks for rec, in gap mode, from the next + record */ + + if (page_rec_is_comp(rec)) { + receiver_heap_no = rec_get_heap_no_new(rec); + donator_heap_no = rec_get_heap_no_new( + page_rec_get_next_low(rec, TRUE)); + } else { + receiver_heap_no = rec_get_heap_no_old(rec); + donator_heap_no = rec_get_heap_no_old( + page_rec_get_next_low(rec, FALSE)); + } + + lock_mutex_enter_kernel(); + lock_rec_inherit_to_gap_if_gap_lock(block, + receiver_heap_no, donator_heap_no); + lock_mutex_exit_kernel(); +} + +/*************************************************************//** +Updates the lock table when a record is removed. */ +UNIV_INTERN +void +lock_update_delete( +/*===============*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: the record to be removed */ +{ + const page_t* page = block->frame; + ulint heap_no; + ulint next_heap_no; + + ut_ad(page == page_align(rec)); + + if (page_is_comp(page)) { + heap_no = rec_get_heap_no_new(rec); + next_heap_no = rec_get_heap_no_new(page + + rec_get_next_offs(rec, + TRUE)); + } else { + heap_no = rec_get_heap_no_old(rec); + next_heap_no = rec_get_heap_no_old(page + + rec_get_next_offs(rec, + FALSE)); + } + + lock_mutex_enter_kernel(); + + /* Let the next record inherit the locks from rec, in gap mode */ + + lock_rec_inherit_to_gap(block, block, next_heap_no, heap_no); + + /* Reset the lock bits on rec and release waiting transactions */ + + lock_rec_reset_and_release_wait(block, heap_no); + + lock_mutex_exit_kernel(); +} + +/*********************************************************************//** +Stores on the page infimum record the explicit locks of another record. +This function is used to store the lock state of a record when it is +updated and the size of the record changes in the update. The record +is moved in such an update, perhaps to another page. The infimum record +acts as a dummy carrier record, taking care of lock releases while the +actual record is being moved. */ +UNIV_INTERN +void +lock_rec_store_on_page_infimum( +/*===========================*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec) /*!< in: record whose lock state + is stored on the infimum + record of the same page; lock + bits are reset on the + record */ +{ + ulint heap_no = page_rec_get_heap_no(rec); + + ut_ad(block->frame == page_align(rec)); + + lock_mutex_enter_kernel(); + + lock_rec_move(block, block, PAGE_HEAP_NO_INFIMUM, heap_no); + + lock_mutex_exit_kernel(); +} + +/*********************************************************************//** +Restores the state of explicit lock requests on a single record, where the +state was stored on the infimum of the page. */ +UNIV_INTERN +void +lock_rec_restore_from_page_infimum( +/*===============================*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record whose lock state + is restored */ + const buf_block_t* donator)/*!< in: page (rec is not + necessarily on this page) + whose infimum stored the lock + state; lock bits are reset on + the infimum */ +{ + ulint heap_no = page_rec_get_heap_no(rec); + + lock_mutex_enter_kernel(); + + lock_rec_move(block, donator, heap_no, PAGE_HEAP_NO_INFIMUM); + + lock_mutex_exit_kernel(); +} + +/*=========== DEADLOCK CHECKING ======================================*/ + +/********************************************************************//** +Checks if a lock request results in a deadlock. +@return TRUE if a deadlock was detected and we chose trx as a victim; +FALSE if no deadlock, or there was a deadlock, but we chose other +transaction(s) as victim(s) */ +static +ibool +lock_deadlock_occurs( +/*=================*/ + lock_t* lock, /*!< in: lock the transaction is requesting */ + trx_t* trx) /*!< in: transaction */ +{ + trx_t* mark_trx; + ulint ret; + ulint cost = 0; + + ut_ad(trx); + ut_ad(lock); + ut_ad(mutex_own(&kernel_mutex)); +retry: + /* We check that adding this trx to the waits-for graph + does not produce a cycle. First mark all active transactions + with 0: */ + + mark_trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (mark_trx) { + mark_trx->deadlock_mark = 0; + mark_trx = UT_LIST_GET_NEXT(trx_list, mark_trx); + } + + ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0); + + switch (ret) { + case LOCK_VICTIM_IS_OTHER: + /* We chose some other trx as a victim: retry if there still + is a deadlock */ + goto retry; + + case LOCK_EXCEED_MAX_DEPTH: + /* If the lock search exceeds the max step + or the max depth, the current trx will be + the victim. Print its information. */ + rewind(lock_latest_err_file); + ut_print_timestamp(lock_latest_err_file); + + fputs("TOO DEEP OR LONG SEARCH IN THE LOCK TABLE" + " WAITS-FOR GRAPH, WE WILL ROLL BACK" + " FOLLOWING TRANSACTION \n", + lock_latest_err_file); + + fputs("\n*** TRANSACTION:\n", lock_latest_err_file); + trx_print(lock_latest_err_file, trx, 3000); + + fputs("*** WAITING FOR THIS LOCK TO BE GRANTED:\n", + lock_latest_err_file); + + if (lock_get_type(lock) == LOCK_REC) { + lock_rec_print(lock_latest_err_file, lock); + } else { + lock_table_print(lock_latest_err_file, lock); + } + break; + + case LOCK_VICTIM_IS_START: + fputs("*** WE ROLL BACK TRANSACTION (2)\n", + lock_latest_err_file); + break; + + default: + /* No deadlock detected*/ + return(FALSE); + } + + lock_deadlock_found = TRUE; + + return(TRUE); +} + +/********************************************************************//** +Looks recursively for a deadlock. +@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a +deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a +deadlock was found and we chose some other trx as a victim: we must do +the search again in this last case because there may be another +deadlock! +LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ +static +ulint +lock_deadlock_recursive( +/*====================*/ + trx_t* start, /*!< in: recursion starting point */ + trx_t* trx, /*!< in: a transaction waiting for a lock */ + lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ + ulint* cost, /*!< in/out: number of calculation steps thus + far: if this exceeds LOCK_MAX_N_STEPS_... + we return LOCK_EXCEED_MAX_DEPTH */ + ulint depth) /*!< in: recursion depth: if this exceeds + LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we + return LOCK_EXCEED_MAX_DEPTH */ +{ + ulint ret; + lock_t* lock; + trx_t* lock_trx; + ulint heap_no = ULINT_UNDEFINED; + + ut_a(trx); + ut_a(start); + ut_a(wait_lock); + ut_ad(mutex_own(&kernel_mutex)); + + if (trx->deadlock_mark == 1) { + /* We have already exhaustively searched the subtree starting + from this trx */ + + return(0); + } + + *cost = *cost + 1; + + if (lock_get_type_low(wait_lock) == LOCK_REC) { + ulint space; + ulint page_no; + + heap_no = lock_rec_find_set_bit(wait_lock); + ut_a(heap_no != ULINT_UNDEFINED); + + space = wait_lock->un_member.rec_lock.space; + page_no = wait_lock->un_member.rec_lock.page_no; + + lock = lock_rec_get_first_on_page_addr(space, page_no); + + /* Position the iterator on the first matching record lock. */ + while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)) { + + lock = lock_rec_get_next_on_page(lock); + } + + if (lock == wait_lock) { + lock = NULL; + } + + ut_ad(lock == NULL || lock_rec_get_nth_bit(lock, heap_no)); + + } else { + lock = wait_lock; + } + + /* Look at the locks ahead of wait_lock in the lock queue */ + + for (;;) { + /* Get previous table lock. */ + if (heap_no == ULINT_UNDEFINED) { + + lock = UT_LIST_GET_PREV( + un_member.tab_lock.locks, lock); + } + + if (lock == NULL) { + /* We can mark this subtree as searched */ + trx->deadlock_mark = 1; + + return(FALSE); + } + + if (lock_has_to_wait(wait_lock, lock)) { + + ibool too_far + = depth > LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK + || *cost > LOCK_MAX_N_STEPS_IN_DEADLOCK_CHECK; + + lock_trx = lock->trx; + + if (lock_trx == start) { + + /* We came back to the recursion starting + point: a deadlock detected; or we have + searched the waits-for graph too long */ + + FILE* ef = lock_latest_err_file; + + rewind(ef); + ut_print_timestamp(ef); + + fputs("\n*** (1) TRANSACTION:\n", ef); + + trx_print(ef, wait_lock->trx, 3000); + + fputs("*** (1) WAITING FOR THIS LOCK" + " TO BE GRANTED:\n", ef); + + if (lock_get_type_low(wait_lock) == LOCK_REC) { + lock_rec_print(ef, wait_lock); + } else { + lock_table_print(ef, wait_lock); + } + + fputs("*** (2) TRANSACTION:\n", ef); + + trx_print(ef, lock->trx, 3000); + + fputs("*** (2) HOLDS THE LOCK(S):\n", ef); + + if (lock_get_type_low(lock) == LOCK_REC) { + lock_rec_print(ef, lock); + } else { + lock_table_print(ef, lock); + } + + fputs("*** (2) WAITING FOR THIS LOCK" + " TO BE GRANTED:\n", ef); + + if (lock_get_type_low(start->wait_lock) + == LOCK_REC) { + lock_rec_print(ef, start->wait_lock); + } else { + lock_table_print(ef, start->wait_lock); + } +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fputs("Deadlock detected\n", + stderr); + } +#endif /* UNIV_DEBUG */ + + if (trx_weight_cmp(wait_lock->trx, + start) >= 0) { + /* Our recursion starting point + transaction is 'smaller', let us + choose 'start' as the victim and roll + back it */ + + return(LOCK_VICTIM_IS_START); + } + + lock_deadlock_found = TRUE; + + /* Let us choose the transaction of wait_lock + as a victim to try to avoid deadlocking our + recursion starting point transaction */ + + fputs("*** WE ROLL BACK TRANSACTION (1)\n", + ef); + + wait_lock->trx->was_chosen_as_deadlock_victim + = TRUE; + + lock_cancel_waiting_and_release(wait_lock); + + /* Since trx and wait_lock are no longer + in the waits-for graph, we can return FALSE; + note that our selective algorithm can choose + several transactions as victims, but still + we may end up rolling back also the recursion + starting point transaction! */ + + return(LOCK_VICTIM_IS_OTHER); + } + + if (too_far) { + +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fputs("Deadlock search exceeds" + " max steps or depth.\n", + stderr); + } +#endif /* UNIV_DEBUG */ + /* The information about transaction/lock + to be rolled back is available in the top + level. Do not print anything here. */ + return(LOCK_EXCEED_MAX_DEPTH); + } + + if (lock_trx->que_state == TRX_QUE_LOCK_WAIT) { + + /* Another trx ahead has requested lock in an + incompatible mode, and is itself waiting for + a lock */ + + ret = lock_deadlock_recursive( + start, lock_trx, + lock_trx->wait_lock, cost, depth + 1); + + if (ret != 0) { + + return(ret); + } + } + } + /* Get the next record lock to check. */ + if (heap_no != ULINT_UNDEFINED) { + + ut_a(lock != NULL); + + do { + lock = lock_rec_get_next_on_page(lock); + } while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)); + + if (lock == wait_lock) { + lock = NULL; + } + } + }/* end of the 'for (;;)'-loop */ +} + +/*========================= TABLE LOCKS ==============================*/ + +/*********************************************************************//** +Creates a table lock object and adds it as the last in the lock queue +of the table. Does NOT check for deadlocks or lock compatibility. +@return own: new lock object */ +UNIV_INLINE +lock_t* +lock_table_create( +/*==============*/ + dict_table_t* table, /*!< in: database table in dictionary cache */ + ulint type_mode,/*!< in: lock mode possibly ORed with + LOCK_WAIT */ + trx_t* trx) /*!< in: trx */ +{ + lock_t* lock; + + ut_ad(table && trx); + ut_ad(mutex_own(&kernel_mutex)); + + if ((type_mode & LOCK_MODE_MASK) == LOCK_AUTO_INC) { + ++table->n_waiting_or_granted_auto_inc_locks; + } + + /* For AUTOINC locking we reuse the lock instance only if + there is no wait involved else we allocate the waiting lock + from the transaction lock heap. */ + if (type_mode == LOCK_AUTO_INC) { + + lock = table->autoinc_lock; + + table->autoinc_trx = trx; + + ib_vector_push(trx->autoinc_locks, lock); + } else { + lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t)); + } + + UT_LIST_ADD_LAST(trx_locks, trx->trx_locks, lock); + + lock->type_mode = type_mode | LOCK_TABLE; + lock->trx = trx; + + lock->un_member.tab_lock.table = table; + + UT_LIST_ADD_LAST(un_member.tab_lock.locks, table->locks, lock); + + if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { + + lock_set_lock_and_trx_wait(lock, trx); + } + + return(lock); +} + +/*************************************************************//** +Removes a table lock request from the queue and the trx list of locks; +this is a low-level function which does NOT check if waiting requests +can now be granted. */ +UNIV_INLINE +void +lock_table_remove_low( +/*==================*/ + lock_t* lock) /*!< in: table lock */ +{ + trx_t* trx; + dict_table_t* table; + + ut_ad(mutex_own(&kernel_mutex)); + + trx = lock->trx; + table = lock->un_member.tab_lock.table; + + /* Remove the table from the transaction's AUTOINC vector, if + the lock that is being release is an AUTOINC lock. */ + if (lock_get_mode(lock) == LOCK_AUTO_INC) { + + /* The table's AUTOINC lock can get transferred to + another transaction before we get here. */ + if (table->autoinc_trx == trx) { + table->autoinc_trx = NULL; + } + + /* The locks must be freed in the reverse order from + the one in which they were acquired. This is to avoid + traversing the AUTOINC lock vector unnecessarily. + + We only store locks that were granted in the + trx->autoinc_locks vector (see lock_table_create() + and lock_grant()). Therefore it can be empty and we + need to check for that. */ + + if (!lock_get_wait(lock) + && !ib_vector_is_empty(trx->autoinc_locks)) { + lock_t* autoinc_lock; + + autoinc_lock = ib_vector_pop(trx->autoinc_locks); + ut_a(autoinc_lock == lock); + } + + ut_a(table->n_waiting_or_granted_auto_inc_locks > 0); + --table->n_waiting_or_granted_auto_inc_locks; + } + + UT_LIST_REMOVE(trx_locks, trx->trx_locks, lock); + UT_LIST_REMOVE(un_member.tab_lock.locks, table->locks, lock); +} + +/*********************************************************************//** +Enqueues a waiting request for a table lock which cannot be granted +immediately. Checks for deadlocks. +@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or +DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another +transaction was chosen as a victim, and we got the lock immediately: +no need to wait then */ +static +ulint +lock_table_enqueue_waiting( +/*=======================*/ + ulint mode, /*!< in: lock mode this transaction is + requesting */ + dict_table_t* table, /*!< in: table */ + que_thr_t* thr) /*!< in: query thread */ +{ + lock_t* lock; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + + /* Test if there already is some other reason to suspend thread: + we do not enqueue a lock request if the query thread should be + stopped anyway */ + + if (que_thr_stop(thr)) { + ut_error; + + return(DB_QUE_THR_SUSPENDED); + } + + trx = thr_get_trx(thr); + + switch (trx_get_dict_operation(trx)) { + case TRX_DICT_OP_NONE: + break; + case TRX_DICT_OP_TABLE: + case TRX_DICT_OP_INDEX: + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: a table lock wait happens" + " in a dictionary operation!\n" + "InnoDB: Table name ", stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs(".\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", + stderr); + } + + /* Enqueue the lock request that will wait to be granted */ + + lock = lock_table_create(table, mode | LOCK_WAIT, trx); + + /* Check if a deadlock occurs: if yes, remove the lock request and + return an error code */ + + if (lock_deadlock_occurs(lock, trx)) { + + /* The order here is important, we don't want to + lose the state of the lock before calling remove. */ + lock_table_remove_low(lock); + lock_reset_lock_and_trx_wait(lock); + + return(DB_DEADLOCK); + } + + if (trx->wait_lock == NULL) { + /* Deadlock resolution chose another transaction as a victim, + and we accidentally got our lock granted! */ + + return(DB_SUCCESS); + } + + trx->que_state = TRX_QUE_LOCK_WAIT; + trx->was_chosen_as_deadlock_victim = FALSE; + trx->wait_started = time(NULL); + + ut_a(que_thr_stop(thr)); + + return(DB_LOCK_WAIT); +} + +/*********************************************************************//** +Checks if other transactions have an incompatible mode lock request in +the lock queue. +@return lock or NULL */ +UNIV_INLINE +lock_t* +lock_table_other_has_incompatible( +/*==============================*/ + trx_t* trx, /*!< in: transaction, or NULL if all + transactions should be included */ + ulint wait, /*!< in: LOCK_WAIT if also waiting locks are + taken into account, or 0 if not */ + dict_table_t* table, /*!< in: table */ + enum lock_mode mode) /*!< in: lock mode */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = UT_LIST_GET_LAST(table->locks); + + while (lock != NULL) { + + if ((lock->trx != trx) + && (!lock_mode_compatible(lock_get_mode(lock), mode)) + && (wait || !(lock_get_wait(lock)))) { + + return(lock); + } + + lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, lock); + } + + return(NULL); +} + +/*********************************************************************//** +Locks the specified database table in the mode given. If the lock cannot +be granted immediately, the query thread is put to wait. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_table( +/*=======*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, + does nothing */ + dict_table_t* table, /*!< in: database table in dictionary cache */ + enum lock_mode mode, /*!< in: lock mode */ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + ulint err; + + ut_ad(table && thr); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + ut_a(flags == 0); + + trx = thr_get_trx(thr); + + lock_mutex_enter_kernel(); + + /* Look for stronger locks the same trx already has on the table */ + + if (lock_table_has(trx, table, mode)) { + + lock_mutex_exit_kernel(); + + return(DB_SUCCESS); + } + + /* We have to check if the new lock is compatible with any locks + other transactions have in the table lock queue. */ + + if (lock_table_other_has_incompatible(trx, LOCK_WAIT, table, mode)) { + + /* Another trx has a request on the table in an incompatible + mode: this trx may have to wait */ + + err = lock_table_enqueue_waiting(mode | flags, table, thr); + + lock_mutex_exit_kernel(); + + return(err); + } + + lock_table_create(table, mode | flags, trx); + + ut_a(!flags || mode == LOCK_S || mode == LOCK_X); + + lock_mutex_exit_kernel(); + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Checks if a waiting table lock request still has to wait in a queue. +@return TRUE if still has to wait */ +static +ibool +lock_table_has_to_wait_in_queue( +/*============================*/ + lock_t* wait_lock) /*!< in: waiting table lock */ +{ + dict_table_t* table; + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(lock_get_wait(wait_lock)); + + table = wait_lock->un_member.tab_lock.table; + + lock = UT_LIST_GET_FIRST(table->locks); + + while (lock != wait_lock) { + + if (lock_has_to_wait(wait_lock, lock)) { + + return(TRUE); + } + + lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); + } + + return(FALSE); +} + +/*************************************************************//** +Removes a table lock request, waiting or granted, from the queue and grants +locks to other transactions in the queue, if they now are entitled to a +lock. */ +static +void +lock_table_dequeue( +/*===============*/ + lock_t* in_lock)/*!< in: table lock object; transactions waiting + behind will get their lock requests granted, if + they are now qualified to it */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_a(lock_get_type_low(in_lock) == LOCK_TABLE); + + lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, in_lock); + + lock_table_remove_low(in_lock); + + /* Check if waiting locks in the queue can now be granted: grant + locks if there are no conflicting locks ahead. */ + + while (lock != NULL) { + + if (lock_get_wait(lock) + && !lock_table_has_to_wait_in_queue(lock)) { + + /* Grant the lock */ + lock_grant(lock); + } + + lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); + } +} + +/*=========================== LOCK RELEASE ==============================*/ + +/*************************************************************//** +Removes a granted record lock of a transaction from the queue and grants +locks to other transactions waiting in the queue if they now are entitled +to a lock. */ +UNIV_INTERN +void +lock_rec_unlock( +/*============*/ + trx_t* trx, /*!< in: transaction that has + set a record lock */ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record */ + enum lock_mode lock_mode)/*!< in: LOCK_S or LOCK_X */ +{ + lock_t* lock; + lock_t* release_lock = NULL; + ulint heap_no; + + ut_ad(trx && rec); + ut_ad(block->frame == page_align(rec)); + + heap_no = page_rec_get_heap_no(rec); + + mutex_enter(&kernel_mutex); + + lock = lock_rec_get_first(block, heap_no); + + /* Find the last lock with the same lock_mode and transaction + from the record. */ + + while (lock != NULL) { + if (lock->trx == trx && lock_get_mode(lock) == lock_mode) { + release_lock = lock; + ut_a(!lock_get_wait(lock)); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + /* If a record lock is found, release the record lock */ + + if (UNIV_LIKELY(release_lock != NULL)) { + lock_rec_reset_nth_bit(release_lock, heap_no); + } else { + mutex_exit(&kernel_mutex); + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: unlock row could not" + " find a %lu mode lock on the record\n", + (ulong) lock_mode); + + return; + } + + /* Check if we can now grant waiting lock requests */ + + lock = lock_rec_get_first(block, heap_no); + + while (lock != NULL) { + if (lock_get_wait(lock) + && !lock_rec_has_to_wait_in_queue(lock)) { + + /* Grant the lock */ + lock_grant(lock); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + mutex_exit(&kernel_mutex); +} + +/*********************************************************************//** +Releases transaction locks, and releases possible other transactions waiting +because of these locks. */ +UNIV_INTERN +void +lock_release_off_kernel( +/*====================*/ + trx_t* trx) /*!< in: transaction */ +{ + dict_table_t* table; + ulint count; + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = UT_LIST_GET_LAST(trx->trx_locks); + + count = 0; + + while (lock != NULL) { + + count++; + + if (lock_get_type_low(lock) == LOCK_REC) { + + lock_rec_dequeue_from_page(lock); + } else { + ut_ad(lock_get_type_low(lock) & LOCK_TABLE); + + if (lock_get_mode(lock) != LOCK_IS + && !ut_dulint_is_zero(trx->undo_no)) { + + /* The trx may have modified the table. We + block the use of the MySQL query cache for + all currently active transactions. */ + + table = lock->un_member.tab_lock.table; + + table->query_cache_inv_trx_id + = trx_sys->max_trx_id; + } + + lock_table_dequeue(lock); + } + + if (count == LOCK_RELEASE_KERNEL_INTERVAL) { + /* Release the kernel mutex for a while, so that we + do not monopolize it */ + + lock_mutex_exit_kernel(); + + lock_mutex_enter_kernel(); + + count = 0; + } + + lock = UT_LIST_GET_LAST(trx->trx_locks); + } + + ut_a(ib_vector_size(trx->autoinc_locks) == 0); + + mem_heap_empty(trx->lock_heap); +} + +/*********************************************************************//** +Cancels a waiting lock request and releases possible other transactions +waiting behind it. */ +UNIV_INTERN +void +lock_cancel_waiting_and_release( +/*============================*/ + lock_t* lock) /*!< in: waiting lock request */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + if (lock_get_type_low(lock) == LOCK_REC) { + + lock_rec_dequeue_from_page(lock); + } else { + ut_ad(lock_get_type_low(lock) & LOCK_TABLE); + + if (lock->trx->autoinc_locks != NULL) { + /* Release the transaction's AUTOINC locks/ */ + lock_release_autoinc_locks(lock->trx); + } + + lock_table_dequeue(lock); + } + + /* Reset the wait flag and the back pointer to lock in trx */ + + lock_reset_lock_and_trx_wait(lock); + + /* The following function releases the trx from lock wait */ + + trx_end_lock_wait(lock->trx); +} + +/* True if a lock mode is S or X */ +#define IS_LOCK_S_OR_X(lock) \ + (lock_get_mode(lock) == LOCK_S \ + || lock_get_mode(lock) == LOCK_X) + + +/*********************************************************************//** +Removes locks of a transaction on a table to be dropped. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ +static +void +lock_remove_all_on_table_for_trx( +/*=============================*/ + dict_table_t* table, /*!< in: table to be dropped */ + trx_t* trx, /*!< in: a transaction */ + ibool remove_also_table_sx_locks)/*!< in: also removes + table S and X locks */ +{ + lock_t* lock; + lock_t* prev_lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = UT_LIST_GET_LAST(trx->trx_locks); + + while (lock != NULL) { + prev_lock = UT_LIST_GET_PREV(trx_locks, lock); + + if (lock_get_type_low(lock) == LOCK_REC + && lock->index->table == table) { + ut_a(!lock_get_wait(lock)); + + lock_rec_discard(lock); + } else if (lock_get_type_low(lock) & LOCK_TABLE + && lock->un_member.tab_lock.table == table + && (remove_also_table_sx_locks + || !IS_LOCK_S_OR_X(lock))) { + + ut_a(!lock_get_wait(lock)); + + lock_table_remove_low(lock); + } + + lock = prev_lock; + } +} + +/*********************************************************************//** +Removes locks on a table to be dropped or truncated. +If remove_also_table_sx_locks is TRUE then table-level S and X locks are +also removed in addition to other table-level and record-level locks. +No lock, that is going to be removed, is allowed to be a wait lock. */ +UNIV_INTERN +void +lock_remove_all_on_table( +/*=====================*/ + dict_table_t* table, /*!< in: table to be dropped + or truncated */ + ibool remove_also_table_sx_locks)/*!< in: also removes + table S and X locks */ +{ + lock_t* lock; + lock_t* prev_lock; + + mutex_enter(&kernel_mutex); + + lock = UT_LIST_GET_FIRST(table->locks); + + while (lock != NULL) { + + prev_lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, + lock); + + /* If we should remove all locks (remove_also_table_sx_locks + is TRUE), or if the lock is not table-level S or X lock, + then check we are not going to remove a wait lock. */ + if (remove_also_table_sx_locks + || !(lock_get_type(lock) == LOCK_TABLE + && IS_LOCK_S_OR_X(lock))) { + + ut_a(!lock_get_wait(lock)); + } + + lock_remove_all_on_table_for_trx(table, lock->trx, + remove_also_table_sx_locks); + + if (prev_lock == NULL) { + if (lock == UT_LIST_GET_FIRST(table->locks)) { + /* lock was not removed, pick its successor */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, lock); + } else { + /* lock was removed, pick the first one */ + lock = UT_LIST_GET_FIRST(table->locks); + } + } else if (UT_LIST_GET_NEXT(un_member.tab_lock.locks, + prev_lock) != lock) { + /* If lock was removed by + lock_remove_all_on_table_for_trx() then pick the + successor of prev_lock ... */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, prev_lock); + } else { + /* ... otherwise pick the successor of lock. */ + lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, lock); + } + } + + mutex_exit(&kernel_mutex); +} + +/*===================== VALIDATION AND DEBUGGING ====================*/ + +/*********************************************************************//** +Prints info of a table lock. */ +UNIV_INTERN +void +lock_table_print( +/*=============*/ + FILE* file, /*!< in: file where to print */ + const lock_t* lock) /*!< in: table type lock */ +{ + ut_ad(mutex_own(&kernel_mutex)); + ut_a(lock_get_type_low(lock) == LOCK_TABLE); + + fputs("TABLE LOCK table ", file); + ut_print_name(file, lock->trx, TRUE, + lock->un_member.tab_lock.table->name); + fprintf(file, " trx id " TRX_ID_FMT, + TRX_ID_PREP_PRINTF(lock->trx->id)); + + if (lock_get_mode(lock) == LOCK_S) { + fputs(" lock mode S", file); + } else if (lock_get_mode(lock) == LOCK_X) { + fputs(" lock mode X", file); + } else if (lock_get_mode(lock) == LOCK_IS) { + fputs(" lock mode IS", file); + } else if (lock_get_mode(lock) == LOCK_IX) { + fputs(" lock mode IX", file); + } else if (lock_get_mode(lock) == LOCK_AUTO_INC) { + fputs(" lock mode AUTO-INC", file); + } else { + fprintf(file, " unknown lock mode %lu", + (ulong) lock_get_mode(lock)); + } + + if (lock_get_wait(lock)) { + fputs(" waiting", file); + } + + putc('\n', file); +} + +/*********************************************************************//** +Prints info of a record lock. */ +UNIV_INTERN +void +lock_rec_print( +/*===========*/ + FILE* file, /*!< in: file where to print */ + const lock_t* lock) /*!< in: record type lock */ +{ + const buf_block_t* block; + ulint space; + ulint page_no; + ulint i; + mtr_t mtr; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(mutex_own(&kernel_mutex)); + ut_a(lock_get_type_low(lock) == LOCK_REC); + + space = lock->un_member.rec_lock.space; + page_no = lock->un_member.rec_lock.page_no; + + fprintf(file, "RECORD LOCKS space id %lu page no %lu n bits %lu ", + (ulong) space, (ulong) page_no, + (ulong) lock_rec_get_n_bits(lock)); + dict_index_name_print(file, lock->trx, lock->index); + fprintf(file, " trx id " TRX_ID_FMT, + TRX_ID_PREP_PRINTF(lock->trx->id)); + + if (lock_get_mode(lock) == LOCK_S) { + fputs(" lock mode S", file); + } else if (lock_get_mode(lock) == LOCK_X) { + fputs(" lock_mode X", file); + } else { + ut_error; + } + + if (lock_rec_get_gap(lock)) { + fputs(" locks gap before rec", file); + } + + if (lock_rec_get_rec_not_gap(lock)) { + fputs(" locks rec but not gap", file); + } + + if (lock_rec_get_insert_intention(lock)) { + fputs(" insert intention", file); + } + + if (lock_get_wait(lock)) { + fputs(" waiting", file); + } + + mtr_start(&mtr); + + putc('\n', file); + + block = buf_page_try_get(space, page_no, &mtr); + + for (i = 0; i < lock_rec_get_n_bits(lock); ++i) { + + if (!lock_rec_get_nth_bit(lock, i)) { + continue; + } + + fprintf(file, "Record lock, heap no %lu", (ulong) i); + + if (block) { + const rec_t* rec; + + rec = page_find_rec_with_heap_no( + buf_block_get_frame(block), i); + + offsets = rec_get_offsets( + rec, lock->index, offsets, + ULINT_UNDEFINED, &heap); + + putc(' ', file); + rec_print_new(file, rec, offsets); + } + + putc('\n', file); + } + + mtr_commit(&mtr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +#ifdef UNIV_DEBUG +/* Print the number of lock structs from lock_print_info_summary() only +in non-production builds for performance reasons, see +http://bugs.mysql.com/36942 */ +#define PRINT_NUM_OF_LOCK_STRUCTS +#endif /* UNIV_DEBUG */ + +#ifdef PRINT_NUM_OF_LOCK_STRUCTS +/*********************************************************************//** +Calculates the number of record lock structs in the record lock hash table. +@return number of record locks */ +static +ulint +lock_get_n_rec_locks(void) +/*======================*/ +{ + lock_t* lock; + ulint n_locks = 0; + ulint i; + + ut_ad(mutex_own(&kernel_mutex)); + + for (i = 0; i < hash_get_n_cells(lock_sys->rec_hash); i++) { + + lock = HASH_GET_FIRST(lock_sys->rec_hash, i); + + while (lock) { + n_locks++; + + lock = HASH_GET_NEXT(hash, lock); + } + } + + return(n_locks); +} +#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ + +/*********************************************************************//** +Prints info of locks for all transactions. +@return FALSE if not able to obtain kernel mutex +and exits without printing info */ +UNIV_INTERN +ibool +lock_print_info_summary( +/*====================*/ + FILE* file, /*!< in: file where to print */ + ibool nowait) /*!< in: whether to wait for the kernel mutex */ +{ + /* if nowait is FALSE, wait on the kernel mutex, + otherwise return immediately if fail to obtain the + mutex. */ + if (!nowait) { + lock_mutex_enter_kernel(); + } else if (mutex_enter_nowait(&kernel_mutex)) { + fputs("FAIL TO OBTAIN KERNEL MUTEX, " + "SKIP LOCK INFO PRINTING\n", file); + return(FALSE); + } + + if (lock_deadlock_found) { + fputs("------------------------\n" + "LATEST DETECTED DEADLOCK\n" + "------------------------\n", file); + + ut_copy_file(file, lock_latest_err_file); + } + + fputs("------------\n" + "TRANSACTIONS\n" + "------------\n", file); + + fprintf(file, "Trx id counter " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); + + fprintf(file, + "Purge done for trx's n:o < " TRX_ID_FMT + " undo n:o < " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(purge_sys->purge_trx_no), + TRX_ID_PREP_PRINTF(purge_sys->purge_undo_no)); + + fprintf(file, + "History list length %lu\n", + (ulong) trx_sys->rseg_history_len); + +#ifdef PRINT_NUM_OF_LOCK_STRUCTS + fprintf(file, + "Total number of lock structs in row lock hash table %lu\n", + (ulong) lock_get_n_rec_locks()); +#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ + return(TRUE); +} + +/*********************************************************************//** +Prints info of locks for each transaction. */ +UNIV_INTERN +void +lock_print_info_all_transactions( +/*=============================*/ + FILE* file) /*!< in: file where to print */ +{ + lock_t* lock; + ibool load_page_first = TRUE; + ulint nth_trx = 0; + ulint nth_lock = 0; + ulint i; + mtr_t mtr; + trx_t* trx; + + fprintf(file, "LIST OF TRANSACTIONS FOR EACH SESSION:\n"); + + /* First print info on non-active transactions */ + + trx = UT_LIST_GET_FIRST(trx_sys->mysql_trx_list); + + while (trx) { + if (trx->conc_state == TRX_NOT_STARTED) { + fputs("---", file); + trx_print(file, trx, 600); + } + + trx = UT_LIST_GET_NEXT(mysql_trx_list, trx); + } + +loop: + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + i = 0; + + /* Since we temporarily release the kernel mutex when + reading a database page in below, variable trx may be + obsolete now and we must loop through the trx list to + get probably the same trx, or some other trx. */ + + while (trx && (i < nth_trx)) { + trx = UT_LIST_GET_NEXT(trx_list, trx); + i++; + } + + if (trx == NULL) { + lock_mutex_exit_kernel(); + + ut_ad(lock_validate()); + + return; + } + + if (nth_lock == 0) { + fputs("---", file); + trx_print(file, trx, 600); + + if (trx->read_view) { + fprintf(file, + "Trx read view will not see trx with" + " id >= " TRX_ID_FMT + ", sees < " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF( + trx->read_view->low_limit_id), + TRX_ID_PREP_PRINTF( + trx->read_view->up_limit_id)); + } + + if (trx->que_state == TRX_QUE_LOCK_WAIT) { + fprintf(file, + "------- TRX HAS BEEN WAITING %lu SEC" + " FOR THIS LOCK TO BE GRANTED:\n", + (ulong) difftime(time(NULL), + trx->wait_started)); + + if (lock_get_type_low(trx->wait_lock) == LOCK_REC) { + lock_rec_print(file, trx->wait_lock); + } else { + lock_table_print(file, trx->wait_lock); + } + + fputs("------------------\n", file); + } + } + + if (!srv_print_innodb_lock_monitor) { + nth_trx++; + goto loop; + } + + i = 0; + + /* Look at the note about the trx loop above why we loop here: + lock may be an obsolete pointer now. */ + + lock = UT_LIST_GET_FIRST(trx->trx_locks); + + while (lock && (i < nth_lock)) { + lock = UT_LIST_GET_NEXT(trx_locks, lock); + i++; + } + + if (lock == NULL) { + nth_trx++; + nth_lock = 0; + + goto loop; + } + + if (lock_get_type_low(lock) == LOCK_REC) { + if (load_page_first) { + ulint space = lock->un_member.rec_lock.space; + ulint zip_size= fil_space_get_zip_size(space); + ulint page_no = lock->un_member.rec_lock.page_no; + + if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { + + /* It is a single table tablespace and + the .ibd file is missing (TRUNCATE + TABLE probably stole the locks): just + print the lock without attempting to + load the page in the buffer pool. */ + + fprintf(file, "RECORD LOCKS on" + " non-existing space %lu\n", + (ulong) space); + goto print_rec; + } + + lock_mutex_exit_kernel(); + + mtr_start(&mtr); + + buf_page_get_with_no_latch(space, zip_size, + page_no, &mtr); + + mtr_commit(&mtr); + + load_page_first = FALSE; + + lock_mutex_enter_kernel(); + + goto loop; + } + +print_rec: + lock_rec_print(file, lock); + } else { + ut_ad(lock_get_type_low(lock) & LOCK_TABLE); + + lock_table_print(file, lock); + } + + load_page_first = TRUE; + + nth_lock++; + + if (nth_lock >= 10) { + fputs("10 LOCKS PRINTED FOR THIS TRX:" + " SUPPRESSING FURTHER PRINTS\n", + file); + + nth_trx++; + nth_lock = 0; + + goto loop; + } + + goto loop; +} + +#ifdef UNIV_DEBUG +/*********************************************************************//** +Validates the lock queue on a table. +@return TRUE if ok */ +static +ibool +lock_table_queue_validate( +/*======================*/ + dict_table_t* table) /*!< in: table */ +{ + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + lock = UT_LIST_GET_FIRST(table->locks); + + while (lock) { + ut_a(((lock->trx)->conc_state == TRX_ACTIVE) + || ((lock->trx)->conc_state == TRX_PREPARED) + || ((lock->trx)->conc_state == TRX_COMMITTED_IN_MEMORY)); + + if (!lock_get_wait(lock)) { + + ut_a(!lock_table_other_has_incompatible( + lock->trx, 0, table, + lock_get_mode(lock))); + } else { + + ut_a(lock_table_has_to_wait_in_queue(lock)); + } + + lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); + } + + return(TRUE); +} + +/*********************************************************************//** +Validates the lock queue on a single record. +@return TRUE if ok */ +static +ibool +lock_rec_queue_validate( +/*====================*/ + const buf_block_t* block, /*!< in: buffer block containing rec */ + const rec_t* rec, /*!< in: record to look at */ + dict_index_t* index, /*!< in: index, or NULL if not known */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + trx_t* impl_trx; + lock_t* lock; + ulint heap_no; + + ut_a(rec); + ut_a(block->frame == page_align(rec)); + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); + + heap_no = page_rec_get_heap_no(rec); + + lock_mutex_enter_kernel(); + + if (!page_rec_is_user_rec(rec)) { + + lock = lock_rec_get_first(block, heap_no); + + while (lock) { + switch(lock->trx->conc_state) { + case TRX_ACTIVE: + case TRX_PREPARED: + case TRX_COMMITTED_IN_MEMORY: + break; + default: + ut_error; + } + + ut_a(trx_in_trx_list(lock->trx)); + + if (lock_get_wait(lock)) { + ut_a(lock_rec_has_to_wait_in_queue(lock)); + } + + if (index) { + ut_a(lock->index == index); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + lock_mutex_exit_kernel(); + + return(TRUE); + } + + if (!index); + else if (dict_index_is_clust(index)) { + + impl_trx = lock_clust_rec_some_has_impl(rec, index, offsets); + + if (impl_trx + && lock_rec_other_has_expl_req(LOCK_S, 0, LOCK_WAIT, + block, heap_no, impl_trx)) { + + ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, + block, heap_no, impl_trx)); + } + } else { + + /* The kernel mutex may get released temporarily in the + next function call: we have to release lock table mutex + to obey the latching order */ + + /* If this thread is holding the file space latch + (fil_space_t::latch), the following check WILL break + latching order and may cause a deadlock of threads. */ + + impl_trx = lock_sec_rec_some_has_impl_off_kernel( + rec, index, offsets); + + if (impl_trx + && lock_rec_other_has_expl_req(LOCK_S, 0, LOCK_WAIT, + block, heap_no, impl_trx)) { + + ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, + block, heap_no, impl_trx)); + } + } + + lock = lock_rec_get_first(block, heap_no); + + while (lock) { + ut_a(lock->trx->conc_state == TRX_ACTIVE + || lock->trx->conc_state == TRX_PREPARED + || lock->trx->conc_state == TRX_COMMITTED_IN_MEMORY); + ut_a(trx_in_trx_list(lock->trx)); + + if (index) { + ut_a(lock->index == index); + } + + if (!lock_rec_get_gap(lock) && !lock_get_wait(lock)) { + + enum lock_mode mode; + + if (lock_get_mode(lock) == LOCK_S) { + mode = LOCK_X; + } else { + mode = LOCK_S; + } + ut_a(!lock_rec_other_has_expl_req( + mode, 0, 0, block, heap_no, lock->trx)); + + } else if (lock_get_wait(lock) && !lock_rec_get_gap(lock)) { + + ut_a(lock_rec_has_to_wait_in_queue(lock)); + } + + lock = lock_rec_get_next(heap_no, lock); + } + + lock_mutex_exit_kernel(); + + return(TRUE); +} + +/*********************************************************************//** +Validates the record lock queues on a page. +@return TRUE if ok */ +static +ibool +lock_rec_validate_page( +/*===================*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no)/*!< in: page number */ +{ + dict_index_t* index; + buf_block_t* block; + const page_t* page; + lock_t* lock; + const rec_t* rec; + ulint nth_lock = 0; + ulint nth_bit = 0; + ulint i; + mtr_t mtr; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(!mutex_own(&kernel_mutex)); + + mtr_start(&mtr); + + ut_ad(zip_size != ULINT_UNDEFINED); + block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + page = block->frame; + + lock_mutex_enter_kernel(); +loop: + lock = lock_rec_get_first_on_page_addr(space, page_no); + + if (!lock) { + goto function_exit; + } + + for (i = 0; i < nth_lock; i++) { + + lock = lock_rec_get_next_on_page(lock); + + if (!lock) { + goto function_exit; + } + } + + ut_a(trx_in_trx_list(lock->trx)); + ut_a(lock->trx->conc_state == TRX_ACTIVE + || lock->trx->conc_state == TRX_PREPARED + || lock->trx->conc_state == TRX_COMMITTED_IN_MEMORY); + +# ifdef UNIV_SYNC_DEBUG + /* Only validate the record queues when this thread is not + holding a space->latch. Deadlocks are possible due to + latching order violation when UNIV_DEBUG is defined while + UNIV_SYNC_DEBUG is not. */ + if (!sync_thread_levels_contains(SYNC_FSP)) +# endif /* UNIV_SYNC_DEBUG */ + for (i = nth_bit; i < lock_rec_get_n_bits(lock); i++) { + + if (i == 1 || lock_rec_get_nth_bit(lock, i)) { + + index = lock->index; + rec = page_find_rec_with_heap_no(page, i); + ut_a(rec); + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + fprintf(stderr, + "Validating %lu %lu\n", + (ulong) space, (ulong) page_no); + + lock_mutex_exit_kernel(); + + /* If this thread is holding the file space + latch (fil_space_t::latch), the following + check WILL break the latching order and may + cause a deadlock of threads. */ + + lock_rec_queue_validate(block, rec, index, offsets); + + lock_mutex_enter_kernel(); + + nth_bit = i + 1; + + goto loop; + } + } + + nth_bit = 0; + nth_lock++; + + goto loop; + +function_exit: + lock_mutex_exit_kernel(); + + mtr_commit(&mtr); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(TRUE); +} + +/*********************************************************************//** +Validates the lock system. +@return TRUE if ok */ +static +ibool +lock_validate(void) +/*===============*/ +{ + lock_t* lock; + trx_t* trx; + dulint limit; + ulint space; + ulint page_no; + ulint i; + + lock_mutex_enter_kernel(); + + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx) { + lock = UT_LIST_GET_FIRST(trx->trx_locks); + + while (lock) { + if (lock_get_type_low(lock) & LOCK_TABLE) { + + lock_table_queue_validate( + lock->un_member.tab_lock.table); + } + + lock = UT_LIST_GET_NEXT(trx_locks, lock); + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + for (i = 0; i < hash_get_n_cells(lock_sys->rec_hash); i++) { + + limit = ut_dulint_zero; + + for (;;) { + lock = HASH_GET_FIRST(lock_sys->rec_hash, i); + + while (lock) { + ut_a(trx_in_trx_list(lock->trx)); + + space = lock->un_member.rec_lock.space; + page_no = lock->un_member.rec_lock.page_no; + + if (ut_dulint_cmp( + ut_dulint_create(space, page_no), + limit) >= 0) { + break; + } + + lock = HASH_GET_NEXT(hash, lock); + } + + if (!lock) { + + break; + } + + lock_mutex_exit_kernel(); + + lock_rec_validate_page(space, + fil_space_get_zip_size(space), + page_no); + + lock_mutex_enter_kernel(); + + limit = ut_dulint_create(space, page_no + 1); + } + } + + lock_mutex_exit_kernel(); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ +/*============ RECORD LOCK CHECKS FOR ROW OPERATIONS ====================*/ + +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate insert of +a record. If they do, first tests if the query thread should anyway +be suspended for some reason; if not, then puts the transaction and +the query thread to the lock wait state and inserts a waiting request +for a gap x-lock to the lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_rec_insert_check_and_lock( +/*===========================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is + set, does nothing */ + const rec_t* rec, /*!< in: record after which to insert */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + dict_index_t* index, /*!< in: index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in/out: mini-transaction */ + ibool* inherit)/*!< out: set to TRUE if the new + inserted record maybe should inherit + LOCK_GAP type locks from the successor + record */ +{ + const rec_t* next_rec; + trx_t* trx; + lock_t* lock; + ulint err; + ulint next_rec_heap_no; + + ut_ad(block->frame == page_align(rec)); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + trx = thr_get_trx(thr); + next_rec = page_rec_get_next_const(rec); + next_rec_heap_no = page_rec_get_heap_no(next_rec); + + lock_mutex_enter_kernel(); + + /* When inserting a record into an index, the table must be at + least IX-locked or we must be building an index, in which case + the table must be at least S-locked. */ + ut_ad(lock_table_has(trx, index->table, LOCK_IX) + || (*index->name == TEMP_INDEX_PREFIX + && lock_table_has(trx, index->table, LOCK_S))); + + lock = lock_rec_get_first(block, next_rec_heap_no); + + if (UNIV_LIKELY(lock == NULL)) { + /* We optimize CPU time usage in the simplest case */ + + lock_mutex_exit_kernel(); + + if (!dict_index_is_clust(index)) { + /* Update the page max trx id field */ + page_update_max_trx_id(block, + buf_block_get_page_zip(block), + trx->id, mtr); + } + + *inherit = FALSE; + + return(DB_SUCCESS); + } + + *inherit = TRUE; + + /* If another transaction has an explicit lock request which locks + the gap, waiting or granted, on the successor, the insert has to wait. + + An exception is the case where the lock by the another transaction + is a gap type lock which it placed to wait for its turn to insert. We + do not consider that kind of a lock conflicting with our insert. This + eliminates an unnecessary deadlock which resulted when 2 transactions + had to wait for their insert. Both had waiting gap type lock requests + on the successor, which produced an unnecessary deadlock. */ + + if (lock_rec_other_has_conflicting( + LOCK_X | LOCK_GAP | LOCK_INSERT_INTENTION, + block, next_rec_heap_no, trx)) { + + /* Note that we may get DB_SUCCESS also here! */ + err = lock_rec_enqueue_waiting(LOCK_X | LOCK_GAP + | LOCK_INSERT_INTENTION, + block, next_rec_heap_no, + index, thr); + } else { + err = DB_SUCCESS; + } + + lock_mutex_exit_kernel(); + + if ((err == DB_SUCCESS) && !dict_index_is_clust(index)) { + /* Update the page max trx id field */ + page_update_max_trx_id(block, + buf_block_get_page_zip(block), + trx->id, mtr); + } + +#ifdef UNIV_DEBUG + { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + offsets = rec_get_offsets(next_rec, index, offsets_, + ULINT_UNDEFINED, &heap); + ut_ad(lock_rec_queue_validate(block, + next_rec, index, offsets)); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } +#endif /* UNIV_DEBUG */ + + return(err); +} + +/*********************************************************************//** +If a transaction has an implicit x-lock on a record, but no explicit x-lock +set on the record, sets one for it. NOTE that in the case of a secondary +index, the kernel mutex may get temporarily released. */ +static +void +lock_rec_convert_impl_to_expl( +/*==========================*/ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record on page */ + dict_index_t* index, /*!< in: index of record */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + trx_t* impl_trx; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(page_rec_is_user_rec(rec)); + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); + + if (dict_index_is_clust(index)) { + impl_trx = lock_clust_rec_some_has_impl(rec, index, offsets); + } else { + impl_trx = lock_sec_rec_some_has_impl_off_kernel( + rec, index, offsets); + } + + if (impl_trx) { + ulint heap_no = page_rec_get_heap_no(rec); + + /* If the transaction has no explicit x-lock set on the + record, set one for it */ + + if (!lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, block, + heap_no, impl_trx)) { + + lock_rec_add_to_queue( + LOCK_REC | LOCK_X | LOCK_REC_NOT_GAP, + block, heap_no, index, impl_trx); + } + } +} + +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate modify (update, +delete mark, or delete unmark) of a clustered index record. If they do, +first tests if the query thread should anyway be suspended for some +reason; if not, then puts the transaction and the query thread to the +lock wait state and inserts a waiting request for a record x-lock to the +lock queue. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_modify_check_and_lock( +/*=================================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be + modified */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + ulint heap_no; + + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(dict_index_is_clust(index)); + ut_ad(block->frame == page_align(rec)); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + heap_no = rec_offs_comp(offsets) + ? rec_get_heap_no_new(rec) + : rec_get_heap_no_old(rec); + + lock_mutex_enter_kernel(); + + ut_ad(lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + + /* If a transaction has no explicit x-lock set on the record, set one + for it */ + + lock_rec_convert_impl_to_expl(block, rec, index, offsets); + + err = lock_rec_lock(TRUE, LOCK_X | LOCK_REC_NOT_GAP, + block, heap_no, index, thr); + + lock_mutex_exit_kernel(); + + ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); + + return(err); +} + +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate modify (delete +mark or delete unmark) of a secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_sec_rec_modify_check_and_lock( +/*===============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + buf_block_t* block, /*!< in/out: buffer block of rec */ + const rec_t* rec, /*!< in: record which should be + modified; NOTE: as this is a secondary + index, we always have to modify the + clustered index record first: see the + comment below */ + dict_index_t* index, /*!< in: secondary index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in/out: mini-transaction */ +{ + ulint err; + ulint heap_no; + + ut_ad(!dict_index_is_clust(index)); + ut_ad(block->frame == page_align(rec)); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + heap_no = page_rec_get_heap_no(rec); + + /* Another transaction cannot have an implicit lock on the record, + because when we come here, we already have modified the clustered + index record, and this would not have been possible if another active + transaction had modified this secondary index record. */ + + lock_mutex_enter_kernel(); + + ut_ad(lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + + err = lock_rec_lock(TRUE, LOCK_X | LOCK_REC_NOT_GAP, + block, heap_no, index, thr); + + lock_mutex_exit_kernel(); + +#ifdef UNIV_DEBUG + { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } +#endif /* UNIV_DEBUG */ + + if (err == DB_SUCCESS) { + /* Update the page max trx id field */ + page_update_max_trx_id(block, + buf_block_get_page_zip(block), + thr_get_trx(thr)->id, mtr); + } + + return(err); +} + +/*********************************************************************//** +Like the counterpart for a clustered index below, but now we read a +secondary index record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_sec_rec_read_check_and_lock( +/*=============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: secondary index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + ulint heap_no; + + ut_ad(!dict_index_is_clust(index)); + ut_ad(block->frame == page_align(rec)); + ut_ad(page_rec_is_user_rec(rec) || page_rec_is_supremum(rec)); + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(mode == LOCK_X || mode == LOCK_S); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + heap_no = page_rec_get_heap_no(rec); + + lock_mutex_enter_kernel(); + + ut_ad(mode != LOCK_X + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + ut_ad(mode != LOCK_S + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); + + /* Some transaction may have an implicit x-lock on the record only + if the max trx id for the page >= min trx id for the trx list or a + database recovery is running. */ + + if (((ut_dulint_cmp(page_get_max_trx_id(block->frame), + trx_list_get_min_trx_id()) >= 0) + || recv_recovery_is_on()) + && !page_rec_is_supremum(rec)) { + + lock_rec_convert_impl_to_expl(block, rec, index, offsets); + } + + err = lock_rec_lock(FALSE, mode | gap_mode, + block, heap_no, index, thr); + + lock_mutex_exit_kernel(); + + ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); + + return(err); +} + +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate read, or passing +over by a read cursor, of a clustered index record. If they do, first tests +if the query thread should anyway be suspended for some reason; if not, then +puts the transaction and the query thread to the lock wait state and inserts a +waiting request for a record lock to the lock queue. Sets the requested mode +lock on the record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_read_check_and_lock( +/*===============================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + ulint heap_no; + + ut_ad(dict_index_is_clust(index)); + ut_ad(block->frame == page_align(rec)); + ut_ad(page_rec_is_user_rec(rec) || page_rec_is_supremum(rec)); + ut_ad(gap_mode == LOCK_ORDINARY || gap_mode == LOCK_GAP + || gap_mode == LOCK_REC_NOT_GAP); + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (flags & BTR_NO_LOCKING_FLAG) { + + return(DB_SUCCESS); + } + + heap_no = page_rec_get_heap_no(rec); + + lock_mutex_enter_kernel(); + + ut_ad(mode != LOCK_X + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); + ut_ad(mode != LOCK_S + || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); + + if (UNIV_LIKELY(heap_no != PAGE_HEAP_NO_SUPREMUM)) { + + lock_rec_convert_impl_to_expl(block, rec, index, offsets); + } + + err = lock_rec_lock(FALSE, mode | gap_mode, + block, heap_no, index, thr); + + lock_mutex_exit_kernel(); + + ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); + + return(err); +} +/*********************************************************************//** +Checks if locks of other transactions prevent an immediate read, or passing +over by a read cursor, of a clustered index record. If they do, first tests +if the query thread should anyway be suspended for some reason; if not, then +puts the transaction and the query thread to the lock wait state and inserts a +waiting request for a record lock to the lock queue. Sets the requested mode +lock on the record. This is an alternative version of +lock_clust_rec_read_check_and_lock() that does not require the parameter +"offsets". +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +UNIV_INTERN +ulint +lock_clust_rec_read_check_and_lock_alt( +/*===================================*/ + ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG + bit is set, does nothing */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: user record or page + supremum record which should + be read or passed over by a + read cursor */ + dict_index_t* index, /*!< in: clustered index */ + enum lock_mode mode, /*!< in: mode of the lock which + the read cursor should set on + records: LOCK_S or LOCK_X; the + latter is possible in + SELECT FOR UPDATE */ + ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP */ + que_thr_t* thr) /*!< in: query thread */ +{ + mem_heap_t* tmp_heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + ulint ret; + rec_offs_init(offsets_); + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &tmp_heap); + ret = lock_clust_rec_read_check_and_lock(flags, block, rec, index, + offsets, mode, gap_mode, thr); + if (tmp_heap) { + mem_heap_free(tmp_heap); + } + return(ret); +} + +/*******************************************************************//** +Release the last lock from the transaction's autoinc locks. */ +UNIV_INLINE +void +lock_release_autoinc_last_lock( +/*===========================*/ + ib_vector_t* autoinc_locks) /*!< in/out: vector of AUTOINC locks */ +{ + ulint last; + lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + ut_a(!ib_vector_is_empty(autoinc_locks)); + + /* The lock to be release must be the last lock acquired. */ + last = ib_vector_size(autoinc_locks) - 1; + lock = ib_vector_get(autoinc_locks, last); + + /* Should have only AUTOINC locks in the vector. */ + ut_a(lock_get_mode(lock) == LOCK_AUTO_INC); + ut_a(lock_get_type(lock) == LOCK_TABLE); + + ut_a(lock->un_member.tab_lock.table != NULL); + + /* This will remove the lock from the trx autoinc_locks too. */ + lock_table_dequeue(lock); +} + +/*******************************************************************//** +Check if a transaction holds any autoinc locks. +@return TRUE if the transaction holds any AUTOINC locks. */ +UNIV_INTERN +ibool +lock_trx_holds_autoinc_locks( +/*=========================*/ + const trx_t* trx) /*!< in: transaction */ +{ + ut_a(trx->autoinc_locks != NULL); + + return(!ib_vector_is_empty(trx->autoinc_locks)); +} + +/*******************************************************************//** +Release all the transaction's autoinc locks. */ +UNIV_INTERN +void +lock_release_autoinc_locks( +/*=======================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + ut_a(trx->autoinc_locks != NULL); + + /* We release the locks in the reverse order. This is to + avoid searching the vector for the element to delete at + the lower level. See (lock_table_remove_low()) for details. */ + while (!ib_vector_is_empty(trx->autoinc_locks)) { + + /* lock_table_remove_low() will also remove the lock from + the transaction's autoinc_locks vector. */ + lock_release_autoinc_last_lock(trx->autoinc_locks); + } + + /* Should release all locks. */ + ut_a(ib_vector_is_empty(trx->autoinc_locks)); +} + +/*******************************************************************//** +Gets the type of a lock. Non-inline version for using outside of the +lock module. +@return LOCK_TABLE or LOCK_REC */ +UNIV_INTERN +ulint +lock_get_type( +/*==========*/ + const lock_t* lock) /*!< in: lock */ +{ + return(lock_get_type_low(lock)); +} + +/*******************************************************************//** +Gets the id of the transaction owning a lock. +@return transaction id */ +UNIV_INTERN +ullint +lock_get_trx_id( +/*============*/ + const lock_t* lock) /*!< in: lock */ +{ + return(trx_get_id(lock->trx)); +} + +/*******************************************************************//** +Gets the mode of a lock in a human readable string. +The string should not be free()'d or modified. +@return lock mode */ +UNIV_INTERN +const char* +lock_get_mode_str( +/*==============*/ + const lock_t* lock) /*!< in: lock */ +{ + ibool is_gap_lock; + + is_gap_lock = lock_get_type_low(lock) == LOCK_REC + && lock_rec_get_gap(lock); + + switch (lock_get_mode(lock)) { + case LOCK_S: + if (is_gap_lock) { + return("S,GAP"); + } else { + return("S"); + } + case LOCK_X: + if (is_gap_lock) { + return("X,GAP"); + } else { + return("X"); + } + case LOCK_IS: + if (is_gap_lock) { + return("IS,GAP"); + } else { + return("IS"); + } + case LOCK_IX: + if (is_gap_lock) { + return("IX,GAP"); + } else { + return("IX"); + } + case LOCK_AUTO_INC: + return("AUTO_INC"); + default: + return("UNKNOWN"); + } +} + +/*******************************************************************//** +Gets the type of a lock in a human readable string. +The string should not be free()'d or modified. +@return lock type */ +UNIV_INTERN +const char* +lock_get_type_str( +/*==============*/ + const lock_t* lock) /*!< in: lock */ +{ + switch (lock_get_type_low(lock)) { + case LOCK_REC: + return("RECORD"); + case LOCK_TABLE: + return("TABLE"); + default: + return("UNKNOWN"); + } +} + +/*******************************************************************//** +Gets the table on which the lock is. +@return table */ +UNIV_INLINE +dict_table_t* +lock_get_table( +/*===========*/ + const lock_t* lock) /*!< in: lock */ +{ + switch (lock_get_type_low(lock)) { + case LOCK_REC: + return(lock->index->table); + case LOCK_TABLE: + return(lock->un_member.tab_lock.table); + default: + ut_error; + return(NULL); + } +} + +/*******************************************************************//** +Gets the id of the table on which the lock is. +@return id of the table */ +UNIV_INTERN +ullint +lock_get_table_id( +/*==============*/ + const lock_t* lock) /*!< in: lock */ +{ + dict_table_t* table; + + table = lock_get_table(lock); + + return((ullint)ut_conv_dulint_to_longlong(table->id)); +} + +/*******************************************************************//** +Gets the name of the table on which the lock is. +The string should not be free()'d or modified. +@return name of the table */ +UNIV_INTERN +const char* +lock_get_table_name( +/*================*/ + const lock_t* lock) /*!< in: lock */ +{ + dict_table_t* table; + + table = lock_get_table(lock); + + return(table->name); +} + +/*******************************************************************//** +For a record lock, gets the index on which the lock is. +@return index */ +UNIV_INTERN +const dict_index_t* +lock_rec_get_index( +/*===============*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_a(lock_get_type_low(lock) == LOCK_REC); + + return(lock->index); +} + +/*******************************************************************//** +For a record lock, gets the name of the index on which the lock is. +The string should not be free()'d or modified. +@return name of the index */ +UNIV_INTERN +const char* +lock_rec_get_index_name( +/*====================*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_a(lock_get_type_low(lock) == LOCK_REC); + + return(lock->index->name); +} + +/*******************************************************************//** +For a record lock, gets the tablespace number on which the lock is. +@return tablespace number */ +UNIV_INTERN +ulint +lock_rec_get_space_id( +/*==================*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_a(lock_get_type_low(lock) == LOCK_REC); + + return(lock->un_member.rec_lock.space); +} + +/*******************************************************************//** +For a record lock, gets the page number on which the lock is. +@return page number */ +UNIV_INTERN +ulint +lock_rec_get_page_no( +/*=================*/ + const lock_t* lock) /*!< in: lock */ +{ + ut_a(lock_get_type_low(lock) == LOCK_REC); + + return(lock->un_member.rec_lock.page_no); +} diff --git a/perfschema/log/log0log.c b/perfschema/log/log0log.c new file mode 100644 index 00000000000..183c24d2147 --- /dev/null +++ b/perfschema/log/log0log.c @@ -0,0 +1,3450 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file log/log0log.c +Database log + +Created 12/9/1995 Heikki Tuuri +*******************************************************/ + +#include "log0log.h" + +#ifdef UNIV_NONINL +#include "log0log.ic" +#endif + +#ifndef UNIV_HOTBACKUP +#include "mem0mem.h" +#include "buf0buf.h" +#include "buf0flu.h" +#include "srv0srv.h" +#include "log0recv.h" +#include "fil0fil.h" +#include "dict0boot.h" +#include "srv0srv.h" +#include "srv0start.h" +#include "trx0sys.h" +#include "trx0trx.h" + +/* +General philosophy of InnoDB redo-logs: + +1) Every change to a contents of a data page must be done +through mtr, which in mtr_commit() writes log records +to the InnoDB redo log. + +2) Normally these changes are performed using a mlog_write_ulint() +or similar function. + +3) In some page level operations only a code number of a +c-function and its parameters are written to the log to +reduce the size of the log. + + 3a) You should not add parameters to these kind of functions + (e.g. trx_undo_header_create(), trx_undo_insert_header_reuse()) + + 3b) You should not add such functionality which either change + working when compared with the old or are dependent on data + outside of the page. These kind of functions should implement + self-contained page transformation and it should be unchanged + if you don't have very essential reasons to change log + semantics or format. + +*/ + +/* Current free limit of space 0; protected by the log sys mutex; 0 means +uninitialized */ +UNIV_INTERN ulint log_fsp_current_free_limit = 0; + +/* Global log system variable */ +UNIV_INTERN log_t* log_sys = NULL; + +#ifdef UNIV_DEBUG +UNIV_INTERN ibool log_do_write = TRUE; +#endif /* UNIV_DEBUG */ + +/* These control how often we print warnings if the last checkpoint is too +old */ +UNIV_INTERN ibool log_has_printed_chkp_warning = FALSE; +UNIV_INTERN time_t log_last_warning_time; + +#ifdef UNIV_LOG_ARCHIVE +/* Pointer to this variable is used as the i/o-message when we do i/o to an +archive */ +UNIV_INTERN byte log_archive_io; +#endif /* UNIV_LOG_ARCHIVE */ + +/* A margin for free space in the log buffer before a log entry is catenated */ +#define LOG_BUF_WRITE_MARGIN (4 * OS_FILE_LOG_BLOCK_SIZE) + +/* Margins for free space in the log buffer after a log entry is catenated */ +#define LOG_BUF_FLUSH_RATIO 2 +#define LOG_BUF_FLUSH_MARGIN (LOG_BUF_WRITE_MARGIN + 4 * UNIV_PAGE_SIZE) + +/* Margin for the free space in the smallest log group, before a new query +step which modifies the database, is started */ + +#define LOG_CHECKPOINT_FREE_PER_THREAD (4 * UNIV_PAGE_SIZE) +#define LOG_CHECKPOINT_EXTRA_FREE (8 * UNIV_PAGE_SIZE) + +/* This parameter controls asynchronous making of a new checkpoint; the value +should be bigger than LOG_POOL_PREFLUSH_RATIO_SYNC */ + +#define LOG_POOL_CHECKPOINT_RATIO_ASYNC 32 + +/* This parameter controls synchronous preflushing of modified buffer pages */ +#define LOG_POOL_PREFLUSH_RATIO_SYNC 16 + +/* The same ratio for asynchronous preflushing; this value should be less than +the previous */ +#define LOG_POOL_PREFLUSH_RATIO_ASYNC 8 + +/* Extra margin, in addition to one log file, used in archiving */ +#define LOG_ARCHIVE_EXTRA_MARGIN (4 * UNIV_PAGE_SIZE) + +/* This parameter controls asynchronous writing to the archive */ +#define LOG_ARCHIVE_RATIO_ASYNC 16 + +/* Codes used in unlocking flush latches */ +#define LOG_UNLOCK_NONE_FLUSHED_LOCK 1 +#define LOG_UNLOCK_FLUSH_LOCK 2 + +/* States of an archiving operation */ +#define LOG_ARCHIVE_READ 1 +#define LOG_ARCHIVE_WRITE 2 + +/******************************************************//** +Completes a checkpoint write i/o to a log file. */ +static +void +log_io_complete_checkpoint(void); +/*============================*/ +#ifdef UNIV_LOG_ARCHIVE +/******************************************************//** +Completes an archiving i/o. */ +static +void +log_io_complete_archive(void); +/*=========================*/ +#endif /* UNIV_LOG_ARCHIVE */ + +/****************************************************************//** +Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, +so that we know that the limit has been written to a log checkpoint field +on disk. */ +UNIV_INTERN +void +log_fsp_current_free_limit_set_and_checkpoint( +/*==========================================*/ + ulint limit) /*!< in: limit to set */ +{ + ibool success; + + mutex_enter(&(log_sys->mutex)); + + log_fsp_current_free_limit = limit; + + mutex_exit(&(log_sys->mutex)); + + /* Try to make a synchronous checkpoint */ + + success = FALSE; + + while (!success) { + success = log_checkpoint(TRUE, TRUE); + } +} + +/****************************************************************//** +Returns the oldest modified block lsn in the pool, or log_sys->lsn if none +exists. +@return LSN of oldest modification */ +static +ib_uint64_t +log_buf_pool_get_oldest_modification(void) +/*======================================*/ +{ + ib_uint64_t lsn; + + ut_ad(mutex_own(&(log_sys->mutex))); + + lsn = buf_pool_get_oldest_modification(); + + if (!lsn) { + + lsn = log_sys->lsn; + } + + return(lsn); +} + +/************************************************************//** +Opens the log for log_write_low. The log must be closed with log_close and +released with log_release. +@return start lsn of the log record */ +UNIV_INTERN +ib_uint64_t +log_reserve_and_open( +/*=================*/ + ulint len) /*!< in: length of data to be catenated */ +{ + log_t* log = log_sys; + ulint len_upper_limit; +#ifdef UNIV_LOG_ARCHIVE + ulint archived_lsn_age; + ulint dummy; +#endif /* UNIV_LOG_ARCHIVE */ +#ifdef UNIV_DEBUG + ulint count = 0; +#endif /* UNIV_DEBUG */ + + ut_a(len < log->buf_size / 2); +loop: + mutex_enter(&(log->mutex)); + ut_ad(!recv_no_log_write); + + /* Calculate an upper limit for the space the string may take in the + log buffer */ + + len_upper_limit = LOG_BUF_WRITE_MARGIN + (5 * len) / 4; + + if (log->buf_free + len_upper_limit > log->buf_size) { + + mutex_exit(&(log->mutex)); + + /* Not enough free space, do a syncronous flush of the log + buffer */ + + log_buffer_flush_to_disk(); + + srv_log_waits++; + + ut_ad(++count < 50); + + goto loop; + } + +#ifdef UNIV_LOG_ARCHIVE + if (log->archiving_state != LOG_ARCH_OFF) { + + archived_lsn_age = log->lsn - log->archived_lsn; + if (archived_lsn_age + len_upper_limit + > log->max_archived_lsn_age) { + /* Not enough free archived space in log groups: do a + synchronous archive write batch: */ + + mutex_exit(&(log->mutex)); + + ut_ad(len_upper_limit <= log->max_archived_lsn_age); + + log_archive_do(TRUE, &dummy); + + ut_ad(++count < 50); + + goto loop; + } + } +#endif /* UNIV_LOG_ARCHIVE */ + +#ifdef UNIV_LOG_DEBUG + log->old_buf_free = log->buf_free; + log->old_lsn = log->lsn; +#endif + return(log->lsn); +} + +/************************************************************//** +Writes to the log the string given. It is assumed that the caller holds the +log mutex. */ +UNIV_INTERN +void +log_write_low( +/*==========*/ + byte* str, /*!< in: string */ + ulint str_len) /*!< in: string length */ +{ + log_t* log = log_sys; + ulint len; + ulint data_len; + byte* log_block; + + ut_ad(mutex_own(&(log->mutex))); +part_loop: + ut_ad(!recv_no_log_write); + /* Calculate a part length */ + + data_len = (log->buf_free % OS_FILE_LOG_BLOCK_SIZE) + str_len; + + if (data_len <= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { + + /* The string fits within the current log block */ + + len = str_len; + } else { + data_len = OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; + + len = OS_FILE_LOG_BLOCK_SIZE + - (log->buf_free % OS_FILE_LOG_BLOCK_SIZE) + - LOG_BLOCK_TRL_SIZE; + } + + ut_memcpy(log->buf + log->buf_free, str, len); + + str_len -= len; + str = str + len; + + log_block = ut_align_down(log->buf + log->buf_free, + OS_FILE_LOG_BLOCK_SIZE); + log_block_set_data_len(log_block, data_len); + + if (data_len == OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { + /* This block became full */ + log_block_set_data_len(log_block, OS_FILE_LOG_BLOCK_SIZE); + log_block_set_checkpoint_no(log_block, + log_sys->next_checkpoint_no); + len += LOG_BLOCK_HDR_SIZE + LOG_BLOCK_TRL_SIZE; + + log->lsn += len; + + /* Initialize the next block header */ + log_block_init(log_block + OS_FILE_LOG_BLOCK_SIZE, log->lsn); + } else { + log->lsn += len; + } + + log->buf_free += len; + + ut_ad(log->buf_free <= log->buf_size); + + if (str_len > 0) { + goto part_loop; + } + + srv_log_write_requests++; +} + +/************************************************************//** +Closes the log. +@return lsn */ +UNIV_INTERN +ib_uint64_t +log_close(void) +/*===========*/ +{ + byte* log_block; + ulint first_rec_group; + ib_uint64_t oldest_lsn; + ib_uint64_t lsn; + log_t* log = log_sys; + ib_uint64_t checkpoint_age; + + ut_ad(mutex_own(&(log->mutex))); + ut_ad(!recv_no_log_write); + + lsn = log->lsn; + + log_block = ut_align_down(log->buf + log->buf_free, + OS_FILE_LOG_BLOCK_SIZE); + first_rec_group = log_block_get_first_rec_group(log_block); + + if (first_rec_group == 0) { + /* We initialized a new log block which was not written + full by the current mtr: the next mtr log record group + will start within this block at the offset data_len */ + + log_block_set_first_rec_group( + log_block, log_block_get_data_len(log_block)); + } + + if (log->buf_free > log->max_buf_free) { + + log->check_flush_or_checkpoint = TRUE; + } + + checkpoint_age = lsn - log->last_checkpoint_lsn; + + if (checkpoint_age >= log->log_group_capacity) { + /* TODO: split btr_store_big_rec_extern_fields() into small + steps so that we can release all latches in the middle, and + call log_free_check() to ensure we never write over log written + after the latest checkpoint. In principle, we should split all + big_rec operations, but other operations are smaller. */ + + if (!log_has_printed_chkp_warning + || difftime(time(NULL), log_last_warning_time) > 15) { + + log_has_printed_chkp_warning = TRUE; + log_last_warning_time = time(NULL); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: the age of the last" + " checkpoint is %lu,\n" + "InnoDB: which exceeds the log group" + " capacity %lu.\n" + "InnoDB: If you are using big" + " BLOB or TEXT rows, you must set the\n" + "InnoDB: combined size of log files" + " at least 10 times bigger than the\n" + "InnoDB: largest such row.\n", + (ulong) checkpoint_age, + (ulong) log->log_group_capacity); + } + } + + if (checkpoint_age <= log->max_modified_age_async) { + + goto function_exit; + } + + oldest_lsn = buf_pool_get_oldest_modification(); + + if (!oldest_lsn + || lsn - oldest_lsn > log->max_modified_age_async + || checkpoint_age > log->max_checkpoint_age_async) { + + log->check_flush_or_checkpoint = TRUE; + } +function_exit: + +#ifdef UNIV_LOG_DEBUG + log_check_log_recs(log->buf + log->old_buf_free, + log->buf_free - log->old_buf_free, log->old_lsn); +#endif + + return(lsn); +} + +#ifdef UNIV_LOG_ARCHIVE +/******************************************************//** +Pads the current log block full with dummy log records. Used in producing +consistent archived log files. */ +static +void +log_pad_current_log_block(void) +/*===========================*/ +{ + byte b = MLOG_DUMMY_RECORD; + ulint pad_length; + ulint i; + ib_uint64_t lsn; + + /* We retrieve lsn only because otherwise gcc crashed on HP-UX */ + lsn = log_reserve_and_open(OS_FILE_LOG_BLOCK_SIZE); + + pad_length = OS_FILE_LOG_BLOCK_SIZE + - (log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE) + - LOG_BLOCK_TRL_SIZE; + + for (i = 0; i < pad_length; i++) { + log_write_low(&b, 1); + } + + lsn = log_sys->lsn; + + log_close(); + log_release(); + + ut_a(lsn % OS_FILE_LOG_BLOCK_SIZE == LOG_BLOCK_HDR_SIZE); +} +#endif /* UNIV_LOG_ARCHIVE */ + +/******************************************************//** +Calculates the data capacity of a log group, when the log file headers are not +included. +@return capacity in bytes */ +UNIV_INTERN +ulint +log_group_get_capacity( +/*===================*/ + const log_group_t* group) /*!< in: log group */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + return((group->file_size - LOG_FILE_HDR_SIZE) * group->n_files); +} + +/******************************************************//** +Calculates the offset within a log group, when the log file headers are not +included. +@return size offset (<= offset) */ +UNIV_INLINE +ulint +log_group_calc_size_offset( +/*=======================*/ + ulint offset, /*!< in: real offset within the + log group */ + const log_group_t* group) /*!< in: log group */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + return(offset - LOG_FILE_HDR_SIZE * (1 + offset / group->file_size)); +} + +/******************************************************//** +Calculates the offset within a log group, when the log file headers are +included. +@return real offset (>= offset) */ +UNIV_INLINE +ulint +log_group_calc_real_offset( +/*=======================*/ + ulint offset, /*!< in: size offset within the + log group */ + const log_group_t* group) /*!< in: log group */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + return(offset + LOG_FILE_HDR_SIZE + * (1 + offset / (group->file_size - LOG_FILE_HDR_SIZE))); +} + +/******************************************************//** +Calculates the offset of an lsn within a log group. +@return offset within the log group */ +static +ulint +log_group_calc_lsn_offset( +/*======================*/ + ib_uint64_t lsn, /*!< in: lsn, must be within 4 GB of + group->lsn */ + const log_group_t* group) /*!< in: log group */ +{ + ib_uint64_t gr_lsn; + ib_int64_t gr_lsn_size_offset; + ib_int64_t difference; + ib_int64_t group_size; + ib_int64_t offset; + + ut_ad(mutex_own(&(log_sys->mutex))); + + /* If total log file size is > 2 GB we can easily get overflows + with 32-bit integers. Use 64-bit integers instead. */ + + gr_lsn = group->lsn; + + gr_lsn_size_offset = (ib_int64_t) + log_group_calc_size_offset(group->lsn_offset, group); + + group_size = (ib_int64_t) log_group_get_capacity(group); + + if (lsn >= gr_lsn) { + + difference = (ib_int64_t) (lsn - gr_lsn); + } else { + difference = (ib_int64_t) (gr_lsn - lsn); + + difference = difference % group_size; + + difference = group_size - difference; + } + + offset = (gr_lsn_size_offset + difference) % group_size; + + ut_a(offset < (((ib_int64_t) 1) << 32)); /* offset must be < 4 GB */ + + /* fprintf(stderr, + "Offset is %lu gr_lsn_offset is %lu difference is %lu\n", + (ulint)offset,(ulint)gr_lsn_size_offset, (ulint)difference); + */ + + return(log_group_calc_real_offset((ulint)offset, group)); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_DEBUG +UNIV_INTERN ibool log_debug_writes = FALSE; +#endif /* UNIV_DEBUG */ + +/*******************************************************************//** +Calculates where in log files we find a specified lsn. +@return log file number */ +UNIV_INTERN +ulint +log_calc_where_lsn_is( +/*==================*/ + ib_int64_t* log_file_offset, /*!< out: offset in that file + (including the header) */ + ib_uint64_t first_header_lsn, /*!< in: first log file start + lsn */ + ib_uint64_t lsn, /*!< in: lsn whose position to + determine */ + ulint n_log_files, /*!< in: total number of log + files */ + ib_int64_t log_file_size) /*!< in: log file size + (including the header) */ +{ + ib_int64_t capacity = log_file_size - LOG_FILE_HDR_SIZE; + ulint file_no; + ib_int64_t add_this_many; + + if (lsn < first_header_lsn) { + add_this_many = 1 + (first_header_lsn - lsn) + / (capacity * (ib_int64_t)n_log_files); + lsn += add_this_many + * capacity * (ib_int64_t)n_log_files; + } + + ut_a(lsn >= first_header_lsn); + + file_no = ((ulint)((lsn - first_header_lsn) / capacity)) + % n_log_files; + *log_file_offset = (lsn - first_header_lsn) % capacity; + + *log_file_offset = *log_file_offset + LOG_FILE_HDR_SIZE; + + return(file_no); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Sets the field values in group to correspond to a given lsn. For this function +to work, the values must already be correctly initialized to correspond to +some lsn, for instance, a checkpoint lsn. */ +UNIV_INTERN +void +log_group_set_fields( +/*=================*/ + log_group_t* group, /*!< in/out: group */ + ib_uint64_t lsn) /*!< in: lsn for which the values should be + set */ +{ + group->lsn_offset = log_group_calc_lsn_offset(lsn, group); + group->lsn = lsn; +} + +/*****************************************************************//** +Calculates the recommended highest values for lsn - last_checkpoint_lsn, +lsn - buf_get_oldest_modification(), and lsn - max_archive_lsn_age. +@return error value FALSE if the smallest log group is too small to +accommodate the number of OS threads in the database server */ +static +ibool +log_calc_max_ages(void) +/*===================*/ +{ + log_group_t* group; + ulint margin; + ulint free; + ibool success = TRUE; + ulint smallest_capacity; + ulint archive_margin; + ulint smallest_archive_margin; + + mutex_enter(&(log_sys->mutex)); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + ut_ad(group); + + smallest_capacity = ULINT_MAX; + smallest_archive_margin = ULINT_MAX; + + while (group) { + if (log_group_get_capacity(group) < smallest_capacity) { + + smallest_capacity = log_group_get_capacity(group); + } + + archive_margin = log_group_get_capacity(group) + - (group->file_size - LOG_FILE_HDR_SIZE) + - LOG_ARCHIVE_EXTRA_MARGIN; + + if (archive_margin < smallest_archive_margin) { + + smallest_archive_margin = archive_margin; + } + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + /* Add extra safety */ + smallest_capacity = smallest_capacity - smallest_capacity / 10; + + /* For each OS thread we must reserve so much free space in the + smallest log group that it can accommodate the log entries produced + by single query steps: running out of free log space is a serious + system error which requires rebooting the database. */ + + free = LOG_CHECKPOINT_FREE_PER_THREAD * (10 + srv_thread_concurrency) + + LOG_CHECKPOINT_EXTRA_FREE; + if (free >= smallest_capacity / 2) { + success = FALSE; + + goto failure; + } else { + margin = smallest_capacity - free; + } + + margin = ut_min(margin, log_sys->adm_checkpoint_interval); + + margin = margin - margin / 10; /* Add still some extra safety */ + + log_sys->log_group_capacity = smallest_capacity; + + log_sys->max_modified_age_async = margin + - margin / LOG_POOL_PREFLUSH_RATIO_ASYNC; + log_sys->max_modified_age_sync = margin + - margin / LOG_POOL_PREFLUSH_RATIO_SYNC; + + log_sys->max_checkpoint_age_async = margin - margin + / LOG_POOL_CHECKPOINT_RATIO_ASYNC; + log_sys->max_checkpoint_age = margin; + +#ifdef UNIV_LOG_ARCHIVE + log_sys->max_archived_lsn_age = smallest_archive_margin; + + log_sys->max_archived_lsn_age_async = smallest_archive_margin + - smallest_archive_margin / LOG_ARCHIVE_RATIO_ASYNC; +#endif /* UNIV_LOG_ARCHIVE */ +failure: + mutex_exit(&(log_sys->mutex)); + + if (!success) { + fprintf(stderr, + "InnoDB: Error: ib_logfiles are too small" + " for innodb_thread_concurrency %lu.\n" + "InnoDB: The combined size of ib_logfiles" + " should be bigger than\n" + "InnoDB: 200 kB * innodb_thread_concurrency.\n" + "InnoDB: To get mysqld to start up, set" + " innodb_thread_concurrency in my.cnf\n" + "InnoDB: to a lower value, for example, to 8." + " After an ERROR-FREE shutdown\n" + "InnoDB: of mysqld you can adjust the size of" + " ib_logfiles, as explained in\n" + "InnoDB: " REFMAN "adding-and-removing.html\n" + "InnoDB: Cannot continue operation." + " Calling exit(1).\n", + (ulong)srv_thread_concurrency); + + exit(1); + } + + return(success); +} + +/******************************************************//** +Initializes the log. */ +UNIV_INTERN +void +log_init(void) +/*==========*/ +{ + log_sys = mem_alloc(sizeof(log_t)); + + mutex_create(&log_sys->mutex, SYNC_LOG); + + mutex_enter(&(log_sys->mutex)); + + /* Start the lsn from one log block from zero: this way every + log record has a start lsn != zero, a fact which we will use */ + + log_sys->lsn = LOG_START_LSN; + + ut_a(LOG_BUFFER_SIZE >= 16 * OS_FILE_LOG_BLOCK_SIZE); + ut_a(LOG_BUFFER_SIZE >= 4 * UNIV_PAGE_SIZE); + + log_sys->buf_ptr = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); + log_sys->buf = ut_align(log_sys->buf_ptr, OS_FILE_LOG_BLOCK_SIZE); + + log_sys->buf_size = LOG_BUFFER_SIZE; + + memset(log_sys->buf, '\0', LOG_BUFFER_SIZE); + + log_sys->max_buf_free = log_sys->buf_size / LOG_BUF_FLUSH_RATIO + - LOG_BUF_FLUSH_MARGIN; + log_sys->check_flush_or_checkpoint = TRUE; + UT_LIST_INIT(log_sys->log_groups); + + log_sys->n_log_ios = 0; + + log_sys->n_log_ios_old = log_sys->n_log_ios; + log_sys->last_printout_time = time(NULL); + /*----------------------------*/ + + log_sys->buf_next_to_write = 0; + + log_sys->write_lsn = 0; + log_sys->current_flush_lsn = 0; + log_sys->flushed_to_disk_lsn = 0; + + log_sys->written_to_some_lsn = log_sys->lsn; + log_sys->written_to_all_lsn = log_sys->lsn; + + log_sys->n_pending_writes = 0; + + log_sys->no_flush_event = os_event_create(NULL); + + os_event_set(log_sys->no_flush_event); + + log_sys->one_flushed_event = os_event_create(NULL); + + os_event_set(log_sys->one_flushed_event); + + /*----------------------------*/ + log_sys->adm_checkpoint_interval = ULINT_MAX; + + log_sys->next_checkpoint_no = 0; + log_sys->last_checkpoint_lsn = log_sys->lsn; + log_sys->n_pending_checkpoint_writes = 0; + + rw_lock_create(&log_sys->checkpoint_lock, SYNC_NO_ORDER_CHECK); + + log_sys->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); + log_sys->checkpoint_buf = ut_align(log_sys->checkpoint_buf_ptr, + OS_FILE_LOG_BLOCK_SIZE); + memset(log_sys->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); + /*----------------------------*/ + +#ifdef UNIV_LOG_ARCHIVE + /* Under MySQL, log archiving is always off */ + log_sys->archiving_state = LOG_ARCH_OFF; + log_sys->archived_lsn = log_sys->lsn; + log_sys->next_archived_lsn = 0; + + log_sys->n_pending_archive_ios = 0; + + rw_lock_create(&log_sys->archive_lock, SYNC_NO_ORDER_CHECK); + + log_sys->archive_buf = NULL; + + /* ut_align( + ut_malloc(LOG_ARCHIVE_BUF_SIZE + + OS_FILE_LOG_BLOCK_SIZE), + OS_FILE_LOG_BLOCK_SIZE); */ + log_sys->archive_buf_size = 0; + + /* memset(log_sys->archive_buf, '\0', LOG_ARCHIVE_BUF_SIZE); */ + + log_sys->archiving_on = os_event_create(NULL); +#endif /* UNIV_LOG_ARCHIVE */ + + /*----------------------------*/ + + log_block_init(log_sys->buf, log_sys->lsn); + log_block_set_first_rec_group(log_sys->buf, LOG_BLOCK_HDR_SIZE); + + log_sys->buf_free = LOG_BLOCK_HDR_SIZE; + log_sys->lsn = LOG_START_LSN + LOG_BLOCK_HDR_SIZE; + + mutex_exit(&(log_sys->mutex)); + +#ifdef UNIV_LOG_DEBUG + recv_sys_create(); + recv_sys_init(buf_pool_get_curr_size()); + + recv_sys->parse_start_lsn = log_sys->lsn; + recv_sys->scanned_lsn = log_sys->lsn; + recv_sys->scanned_checkpoint_no = 0; + recv_sys->recovered_lsn = log_sys->lsn; + recv_sys->limit_lsn = IB_ULONGLONG_MAX; +#endif +} + +/******************************************************************//** +Inits a log group to the log system. */ +UNIV_INTERN +void +log_group_init( +/*===========*/ + ulint id, /*!< in: group id */ + ulint n_files, /*!< in: number of log files */ + ulint file_size, /*!< in: log file size in bytes */ + ulint space_id, /*!< in: space id of the file space + which contains the log files of this + group */ + ulint archive_space_id __attribute__((unused))) + /*!< in: space id of the file space + which contains some archived log + files for this group; currently, only + for the first log group this is + used */ +{ + ulint i; + + log_group_t* group; + + group = mem_alloc(sizeof(log_group_t)); + + group->id = id; + group->n_files = n_files; + group->file_size = file_size; + group->space_id = space_id; + group->state = LOG_GROUP_OK; + group->lsn = LOG_START_LSN; + group->lsn_offset = LOG_FILE_HDR_SIZE; + group->n_pending_writes = 0; + + group->file_header_bufs_ptr = mem_alloc(sizeof(byte*) * n_files); + group->file_header_bufs = mem_alloc(sizeof(byte*) * n_files); +#ifdef UNIV_LOG_ARCHIVE + group->archive_file_header_bufs_ptr = mem_alloc( + sizeof(byte*) * n_files); + group->archive_file_header_bufs = mem_alloc(sizeof(byte*) * n_files); +#endif /* UNIV_LOG_ARCHIVE */ + + for (i = 0; i < n_files; i++) { + group->file_header_bufs_ptr[i] = mem_alloc( + LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + + group->file_header_bufs[i] = ut_align( + group->file_header_bufs_ptr[i], + OS_FILE_LOG_BLOCK_SIZE); + + memset(*(group->file_header_bufs + i), '\0', + LOG_FILE_HDR_SIZE); + +#ifdef UNIV_LOG_ARCHIVE + group->archive_file_header_bufs_ptr[i] = mem_alloc( + LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + + group->archive_file_header_bufs[i] = ut_align( + group->archive_file_header_bufs_ptr[i], + OS_FILE_LOG_BLOCK_SIZE); + + memset(*(group->archive_file_header_bufs + i), '\0', + LOG_FILE_HDR_SIZE); +#endif /* UNIV_LOG_ARCHIVE */ + } + +#ifdef UNIV_LOG_ARCHIVE + group->archive_space_id = archive_space_id; + + group->archived_file_no = 0; + group->archived_offset = 0; +#endif /* UNIV_LOG_ARCHIVE */ + + group->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); + group->checkpoint_buf = ut_align(group->checkpoint_buf_ptr, + OS_FILE_LOG_BLOCK_SIZE); + + memset(group->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); + + UT_LIST_ADD_LAST(log_groups, log_sys->log_groups, group); + + ut_a(log_calc_max_ages()); +} + +/******************************************************************//** +Does the unlockings needed in flush i/o completion. */ +UNIV_INLINE +void +log_flush_do_unlocks( +/*=================*/ + ulint code) /*!< in: any ORed combination of LOG_UNLOCK_FLUSH_LOCK + and LOG_UNLOCK_NONE_FLUSHED_LOCK */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + /* NOTE that we must own the log mutex when doing the setting of the + events: this is because transactions will wait for these events to + be set, and at that moment the log flush they were waiting for must + have ended. If the log mutex were not reserved here, the i/o-thread + calling this function might be preempted for a while, and when it + resumed execution, it might be that a new flush had been started, and + this function would erroneously signal the NEW flush as completed. + Thus, the changes in the state of these events are performed + atomically in conjunction with the changes in the state of + log_sys->n_pending_writes etc. */ + + if (code & LOG_UNLOCK_NONE_FLUSHED_LOCK) { + os_event_set(log_sys->one_flushed_event); + } + + if (code & LOG_UNLOCK_FLUSH_LOCK) { + os_event_set(log_sys->no_flush_event); + } +} + +/******************************************************************//** +Checks if a flush is completed for a log group and does the completion +routine if yes. +@return LOG_UNLOCK_NONE_FLUSHED_LOCK or 0 */ +UNIV_INLINE +ulint +log_group_check_flush_completion( +/*=============================*/ + log_group_t* group) /*!< in: log group */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + if (!log_sys->one_flushed && group->n_pending_writes == 0) { +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Log flushed first to group %lu\n", + (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + log_sys->written_to_some_lsn = log_sys->write_lsn; + log_sys->one_flushed = TRUE; + + return(LOG_UNLOCK_NONE_FLUSHED_LOCK); + } + +#ifdef UNIV_DEBUG + if (log_debug_writes && (group->n_pending_writes == 0)) { + + fprintf(stderr, "Log flushed to group %lu\n", + (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + return(0); +} + +/******************************************************//** +Checks if a flush is completed and does the completion routine if yes. +@return LOG_UNLOCK_FLUSH_LOCK or 0 */ +static +ulint +log_sys_check_flush_completion(void) +/*================================*/ +{ + ulint move_start; + ulint move_end; + + ut_ad(mutex_own(&(log_sys->mutex))); + + if (log_sys->n_pending_writes == 0) { + + log_sys->written_to_all_lsn = log_sys->write_lsn; + log_sys->buf_next_to_write = log_sys->write_end_offset; + + if (log_sys->write_end_offset > log_sys->max_buf_free / 2) { + /* Move the log buffer content to the start of the + buffer */ + + move_start = ut_calc_align_down( + log_sys->write_end_offset, + OS_FILE_LOG_BLOCK_SIZE); + move_end = ut_calc_align(log_sys->buf_free, + OS_FILE_LOG_BLOCK_SIZE); + + ut_memmove(log_sys->buf, log_sys->buf + move_start, + move_end - move_start); + log_sys->buf_free -= move_start; + + log_sys->buf_next_to_write -= move_start; + } + + return(LOG_UNLOCK_FLUSH_LOCK); + } + + return(0); +} + +/******************************************************//** +Completes an i/o to a log file. */ +UNIV_INTERN +void +log_io_complete( +/*============*/ + log_group_t* group) /*!< in: log group or a dummy pointer */ +{ + ulint unlock; + +#ifdef UNIV_LOG_ARCHIVE + if ((byte*)group == &log_archive_io) { + /* It was an archive write */ + + log_io_complete_archive(); + + return; + } +#endif /* UNIV_LOG_ARCHIVE */ + + if ((ulint)group & 0x1UL) { + /* It was a checkpoint write */ + group = (log_group_t*)((ulint)group - 1); + + if (srv_unix_file_flush_method != SRV_UNIX_O_DSYNC + && srv_unix_file_flush_method != SRV_UNIX_NOSYNC) { + + fil_flush(group->space_id); + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Checkpoint info written to group %lu\n", + group->id); + } +#endif /* UNIV_DEBUG */ + log_io_complete_checkpoint(); + + return; + } + + ut_error; /*!< We currently use synchronous writing of the + logs and cannot end up here! */ + + if (srv_unix_file_flush_method != SRV_UNIX_O_DSYNC + && srv_unix_file_flush_method != SRV_UNIX_NOSYNC + && srv_flush_log_at_trx_commit != 2) { + + fil_flush(group->space_id); + } + + mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); + + ut_a(group->n_pending_writes > 0); + ut_a(log_sys->n_pending_writes > 0); + + group->n_pending_writes--; + log_sys->n_pending_writes--; + + unlock = log_group_check_flush_completion(group); + unlock = unlock | log_sys_check_flush_completion(); + + log_flush_do_unlocks(unlock); + + mutex_exit(&(log_sys->mutex)); +} + +/******************************************************//** +Writes a log file header to a log file space. */ +static +void +log_group_file_header_flush( +/*========================*/ + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the + log file space */ + ib_uint64_t start_lsn) /*!< in: log file data starts at this + lsn */ +{ + byte* buf; + ulint dest_offset; + + ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(!recv_no_log_write); + ut_a(nth_file < group->n_files); + + buf = *(group->file_header_bufs + nth_file); + + mach_write_to_4(buf + LOG_GROUP_ID, group->id); + mach_write_ull(buf + LOG_FILE_START_LSN, start_lsn); + + /* Wipe over possible label of ibbackup --restore */ + memcpy(buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, " ", 4); + + dest_offset = nth_file * group->file_size; + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Writing log file header to group %lu file %lu\n", + (ulong) group->id, (ulong) nth_file); + } +#endif /* UNIV_DEBUG */ + if (log_do_write) { + log_sys->n_log_ios++; + + srv_os_log_pending_writes++; + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->space_id, 0, + dest_offset / UNIV_PAGE_SIZE, + dest_offset % UNIV_PAGE_SIZE, + OS_FILE_LOG_BLOCK_SIZE, + buf, group); + + srv_os_log_pending_writes--; + } +} + +/******************************************************//** +Stores a 4-byte checksum to the trailer checksum field of a log block +before writing it to a log file. This checksum is used in recovery to +check the consistency of a log block. */ +static +void +log_block_store_checksum( +/*=====================*/ + byte* block) /*!< in/out: pointer to a log block */ +{ + log_block_set_checksum(block, log_block_calc_checksum(block)); +} + +/******************************************************//** +Writes a buffer to a log file group. */ +UNIV_INTERN +void +log_group_write_buf( +/*================*/ + log_group_t* group, /*!< in: log group */ + byte* buf, /*!< in: buffer */ + ulint len, /*!< in: buffer len; must be divisible + by OS_FILE_LOG_BLOCK_SIZE */ + ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must + be divisible by + OS_FILE_LOG_BLOCK_SIZE */ + ulint new_data_offset)/*!< in: start offset of new data in + buf: this parameter is used to decide + if we have to write a new log file + header */ +{ + ulint write_len; + ibool write_header; + ulint next_offset; + ulint i; + + ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(!recv_no_log_write); + ut_a(len % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_a(((ulint) start_lsn) % OS_FILE_LOG_BLOCK_SIZE == 0); + + if (new_data_offset == 0) { + write_header = TRUE; + } else { + write_header = FALSE; + } +loop: + if (len == 0) { + + return; + } + + next_offset = log_group_calc_lsn_offset(start_lsn, group); + + if ((next_offset % group->file_size == LOG_FILE_HDR_SIZE) + && write_header) { + /* We start to write a new log file instance in the group */ + + log_group_file_header_flush(group, + next_offset / group->file_size, + start_lsn); + srv_os_log_written+= OS_FILE_LOG_BLOCK_SIZE; + srv_log_writes++; + } + + if ((next_offset % group->file_size) + len > group->file_size) { + + write_len = group->file_size + - (next_offset % group->file_size); + } else { + write_len = len; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + + fprintf(stderr, + "Writing log file segment to group %lu" + " offset %lu len %lu\n" + "start lsn %llu\n" + "First block n:o %lu last block n:o %lu\n", + (ulong) group->id, (ulong) next_offset, + (ulong) write_len, + start_lsn, + (ulong) log_block_get_hdr_no(buf), + (ulong) log_block_get_hdr_no( + buf + write_len - OS_FILE_LOG_BLOCK_SIZE)); + ut_a(log_block_get_hdr_no(buf) + == log_block_convert_lsn_to_no(start_lsn)); + + for (i = 0; i < write_len / OS_FILE_LOG_BLOCK_SIZE; i++) { + + ut_a(log_block_get_hdr_no(buf) + i + == log_block_get_hdr_no( + buf + i * OS_FILE_LOG_BLOCK_SIZE)); + } + } +#endif /* UNIV_DEBUG */ + /* Calculate the checksums for each log block and write them to + the trailer fields of the log blocks */ + + for (i = 0; i < write_len / OS_FILE_LOG_BLOCK_SIZE; i++) { + log_block_store_checksum(buf + i * OS_FILE_LOG_BLOCK_SIZE); + } + + if (log_do_write) { + log_sys->n_log_ios++; + + srv_os_log_pending_writes++; + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->space_id, 0, + next_offset / UNIV_PAGE_SIZE, + next_offset % UNIV_PAGE_SIZE, write_len, buf, group); + + srv_os_log_pending_writes--; + + srv_os_log_written+= write_len; + srv_log_writes++; + } + + if (write_len < len) { + start_lsn += write_len; + len -= write_len; + buf += write_len; + + write_header = TRUE; + + goto loop; + } +} + +/******************************************************//** +This function is called, e.g., when a transaction wants to commit. It checks +that the log has been written to the log file up to the last log entry written +by the transaction. If there is a flush running, it waits and checks if the +flush flushed enough. If not, starts a new flush. */ +UNIV_INTERN +void +log_write_up_to( +/*============*/ + ib_uint64_t lsn, /*!< in: log sequence number up to which + the log should be written, + IB_ULONGLONG_MAX if not specified */ + ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, + or LOG_WAIT_ALL_GROUPS */ + ibool flush_to_disk) + /*!< in: TRUE if we want the written log + also to be flushed to disk */ +{ + log_group_t* group; + ulint start_offset; + ulint end_offset; + ulint area_start; + ulint area_end; +#ifdef UNIV_DEBUG + ulint loop_count = 0; +#endif /* UNIV_DEBUG */ + ulint unlock; + + if (recv_no_ibuf_operations) { + /* Recovery is running and no operations on the log files are + allowed yet (the variable name .._no_ibuf_.. is misleading) */ + + return; + } + +loop: +#ifdef UNIV_DEBUG + loop_count++; + + ut_ad(loop_count < 5); + +# if 0 + if (loop_count > 2) { + fprintf(stderr, "Log loop count %lu\n", loop_count); + } +# endif +#endif + + mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); + + if (flush_to_disk + && log_sys->flushed_to_disk_lsn >= lsn) { + + mutex_exit(&(log_sys->mutex)); + + return; + } + + if (!flush_to_disk + && (log_sys->written_to_all_lsn >= lsn + || (log_sys->written_to_some_lsn >= lsn + && wait != LOG_WAIT_ALL_GROUPS))) { + + mutex_exit(&(log_sys->mutex)); + + return; + } + + if (log_sys->n_pending_writes > 0) { + /* A write (+ possibly flush to disk) is running */ + + if (flush_to_disk + && log_sys->current_flush_lsn >= lsn) { + /* The write + flush will write enough: wait for it to + complete */ + + goto do_waits; + } + + if (!flush_to_disk + && log_sys->write_lsn >= lsn) { + /* The write will write enough: wait for it to + complete */ + + goto do_waits; + } + + mutex_exit(&(log_sys->mutex)); + + /* Wait for the write to complete and try to start a new + write */ + + os_event_wait(log_sys->no_flush_event); + + goto loop; + } + + if (!flush_to_disk + && log_sys->buf_free == log_sys->buf_next_to_write) { + /* Nothing to write and no flush to disk requested */ + + mutex_exit(&(log_sys->mutex)); + + return; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Writing log from %llu up to lsn %llu\n", + log_sys->written_to_all_lsn, + log_sys->lsn); + } +#endif /* UNIV_DEBUG */ + log_sys->n_pending_writes++; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + group->n_pending_writes++; /*!< We assume here that we have only + one log group! */ + + os_event_reset(log_sys->no_flush_event); + os_event_reset(log_sys->one_flushed_event); + + start_offset = log_sys->buf_next_to_write; + end_offset = log_sys->buf_free; + + area_start = ut_calc_align_down(start_offset, OS_FILE_LOG_BLOCK_SIZE); + area_end = ut_calc_align(end_offset, OS_FILE_LOG_BLOCK_SIZE); + + ut_ad(area_end - area_start > 0); + + log_sys->write_lsn = log_sys->lsn; + + if (flush_to_disk) { + log_sys->current_flush_lsn = log_sys->lsn; + } + + log_sys->one_flushed = FALSE; + + log_block_set_flush_bit(log_sys->buf + area_start, TRUE); + log_block_set_checkpoint_no( + log_sys->buf + area_end - OS_FILE_LOG_BLOCK_SIZE, + log_sys->next_checkpoint_no); + + /* Copy the last, incompletely written, log block a log block length + up, so that when the flush operation writes from the log buffer, the + segment to write will not be changed by writers to the log */ + + ut_memcpy(log_sys->buf + area_end, + log_sys->buf + area_end - OS_FILE_LOG_BLOCK_SIZE, + OS_FILE_LOG_BLOCK_SIZE); + + log_sys->buf_free += OS_FILE_LOG_BLOCK_SIZE; + log_sys->write_end_offset = log_sys->buf_free; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + /* Do the write to the log files */ + + while (group) { + log_group_write_buf( + group, log_sys->buf + area_start, + area_end - area_start, + ut_uint64_align_down(log_sys->written_to_all_lsn, + OS_FILE_LOG_BLOCK_SIZE), + start_offset - area_start); + + log_group_set_fields(group, log_sys->write_lsn); + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + mutex_exit(&(log_sys->mutex)); + + if (srv_unix_file_flush_method == SRV_UNIX_O_DSYNC) { + /* O_DSYNC means the OS did not buffer the log file at all: + so we have also flushed to disk what we have written */ + + log_sys->flushed_to_disk_lsn = log_sys->write_lsn; + + } else if (flush_to_disk) { + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + fil_flush(group->space_id); + log_sys->flushed_to_disk_lsn = log_sys->write_lsn; + } + + mutex_enter(&(log_sys->mutex)); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + ut_a(group->n_pending_writes == 1); + ut_a(log_sys->n_pending_writes == 1); + + group->n_pending_writes--; + log_sys->n_pending_writes--; + + unlock = log_group_check_flush_completion(group); + unlock = unlock | log_sys_check_flush_completion(); + + log_flush_do_unlocks(unlock); + + mutex_exit(&(log_sys->mutex)); + + return; + +do_waits: + mutex_exit(&(log_sys->mutex)); + + switch (wait) { + case LOG_WAIT_ONE_GROUP: + os_event_wait(log_sys->one_flushed_event); + break; + case LOG_WAIT_ALL_GROUPS: + os_event_wait(log_sys->no_flush_event); + break; +#ifdef UNIV_DEBUG + case LOG_NO_WAIT: + break; + default: + ut_error; +#endif /* UNIV_DEBUG */ + } +} + +/****************************************************************//** +Does a syncronous flush of the log buffer to disk. */ +UNIV_INTERN +void +log_buffer_flush_to_disk(void) +/*==========================*/ +{ + ib_uint64_t lsn; + + mutex_enter(&(log_sys->mutex)); + + lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + log_write_up_to(lsn, LOG_WAIT_ALL_GROUPS, TRUE); +} + +/****************************************************************//** +This functions writes the log buffer to the log file and if 'flush' +is set it forces a flush of the log file as well. This is meant to be +called from background master thread only as it does not wait for +the write (+ possible flush) to finish. */ +UNIV_INTERN +void +log_buffer_sync_in_background( +/*==========================*/ + ibool flush) /*!< in: flush the logs to disk */ +{ + ib_uint64_t lsn; + + mutex_enter(&(log_sys->mutex)); + + lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + log_write_up_to(lsn, LOG_NO_WAIT, flush); +} + +/******************************************************************** + +Tries to establish a big enough margin of free space in the log buffer, such +that a new log entry can be catenated without an immediate need for a flush. */ +static +void +log_flush_margin(void) +/*==================*/ +{ + log_t* log = log_sys; + ib_uint64_t lsn = 0; + + mutex_enter(&(log->mutex)); + + if (log->buf_free > log->max_buf_free) { + + if (log->n_pending_writes > 0) { + /* A flush is running: hope that it will provide enough + free space */ + } else { + lsn = log->lsn; + } + } + + mutex_exit(&(log->mutex)); + + if (lsn) { + log_write_up_to(lsn, LOG_NO_WAIT, FALSE); + } +} + +/****************************************************************//** +Advances the smallest lsn for which there are unflushed dirty blocks in the +buffer pool. NOTE: this function may only be called if the calling thread owns +no synchronization objects! +@return FALSE if there was a flush batch of the same type running, +which means that we could not start this flush batch */ +UNIV_INTERN +ibool +log_preflush_pool_modified_pages( +/*=============================*/ + ib_uint64_t new_oldest, /*!< in: try to advance + oldest_modified_lsn at least + to this lsn */ + ibool sync) /*!< in: TRUE if synchronous + operation is desired */ +{ + ulint n_pages; + + if (recv_recovery_on) { + /* If the recovery is running, we must first apply all + log records to their respective file pages to get the + right modify lsn values to these pages: otherwise, there + might be pages on disk which are not yet recovered to the + current lsn, and even after calling this function, we could + not know how up-to-date the disk version of the database is, + and we could not make a new checkpoint on the basis of the + info on the buffer pool only. */ + + recv_apply_hashed_log_recs(TRUE); + } + + n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, new_oldest); + + if (sync) { + buf_flush_wait_batch_end(BUF_FLUSH_LIST); + } + + if (n_pages == ULINT_UNDEFINED) { + + return(FALSE); + } + + return(TRUE); +} + +/******************************************************//** +Completes a checkpoint. */ +static +void +log_complete_checkpoint(void) +/*=========================*/ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(log_sys->n_pending_checkpoint_writes == 0); + + log_sys->next_checkpoint_no++; + + log_sys->last_checkpoint_lsn = log_sys->next_checkpoint_lsn; + + rw_lock_x_unlock_gen(&(log_sys->checkpoint_lock), LOG_CHECKPOINT); +} + +/******************************************************//** +Completes an asynchronous checkpoint info write i/o to a log file. */ +static +void +log_io_complete_checkpoint(void) +/*============================*/ +{ + mutex_enter(&(log_sys->mutex)); + + ut_ad(log_sys->n_pending_checkpoint_writes > 0); + + log_sys->n_pending_checkpoint_writes--; + + if (log_sys->n_pending_checkpoint_writes == 0) { + log_complete_checkpoint(); + } + + mutex_exit(&(log_sys->mutex)); +} + +/*******************************************************************//** +Writes info to a checkpoint about a log group. */ +static +void +log_checkpoint_set_nth_group_info( +/*==============================*/ + byte* buf, /*!< in: buffer for checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint file_no,/*!< in: archived file number */ + ulint offset) /*!< in: archived file offset */ +{ + ut_ad(n < LOG_MAX_N_GROUPS); + + mach_write_to_4(buf + LOG_CHECKPOINT_GROUP_ARRAY + + 8 * n + LOG_CHECKPOINT_ARCHIVED_FILE_NO, file_no); + mach_write_to_4(buf + LOG_CHECKPOINT_GROUP_ARRAY + + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET, offset); +} + +/*******************************************************************//** +Gets info from a checkpoint about a log group. */ +UNIV_INTERN +void +log_checkpoint_get_nth_group_info( +/*==============================*/ + const byte* buf, /*!< in: buffer containing checkpoint info */ + ulint n, /*!< in: nth slot */ + ulint* file_no,/*!< out: archived file number */ + ulint* offset) /*!< out: archived file offset */ +{ + ut_ad(n < LOG_MAX_N_GROUPS); + + *file_no = mach_read_from_4(buf + LOG_CHECKPOINT_GROUP_ARRAY + + 8 * n + LOG_CHECKPOINT_ARCHIVED_FILE_NO); + *offset = mach_read_from_4(buf + LOG_CHECKPOINT_GROUP_ARRAY + + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET); +} + +/******************************************************//** +Writes the checkpoint info to a log group header. */ +static +void +log_group_checkpoint( +/*=================*/ + log_group_t* group) /*!< in: log group */ +{ + log_group_t* group2; +#ifdef UNIV_LOG_ARCHIVE + ib_uint64_t archived_lsn; + ib_uint64_t next_archived_lsn; +#endif /* UNIV_LOG_ARCHIVE */ + ulint write_offset; + ulint fold; + byte* buf; + ulint i; + + ut_ad(mutex_own(&(log_sys->mutex))); +#if LOG_CHECKPOINT_SIZE > OS_FILE_LOG_BLOCK_SIZE +# error "LOG_CHECKPOINT_SIZE > OS_FILE_LOG_BLOCK_SIZE" +#endif + + buf = group->checkpoint_buf; + + mach_write_ull(buf + LOG_CHECKPOINT_NO, log_sys->next_checkpoint_no); + mach_write_ull(buf + LOG_CHECKPOINT_LSN, log_sys->next_checkpoint_lsn); + + mach_write_to_4(buf + LOG_CHECKPOINT_OFFSET, + log_group_calc_lsn_offset( + log_sys->next_checkpoint_lsn, group)); + + mach_write_to_4(buf + LOG_CHECKPOINT_LOG_BUF_SIZE, log_sys->buf_size); + +#ifdef UNIV_LOG_ARCHIVE + if (log_sys->archiving_state == LOG_ARCH_OFF) { + archived_lsn = IB_ULONGLONG_MAX; + } else { + archived_lsn = log_sys->archived_lsn; + + if (archived_lsn != log_sys->next_archived_lsn) { + next_archived_lsn = log_sys->next_archived_lsn; + /* For debugging only */ + } + } + + mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, archived_lsn); +#else /* UNIV_LOG_ARCHIVE */ + mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, IB_ULONGLONG_MAX); +#endif /* UNIV_LOG_ARCHIVE */ + + for (i = 0; i < LOG_MAX_N_GROUPS; i++) { + log_checkpoint_set_nth_group_info(buf, i, 0, 0); + } + + group2 = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group2) { + log_checkpoint_set_nth_group_info(buf, group2->id, +#ifdef UNIV_LOG_ARCHIVE + group2->archived_file_no, + group2->archived_offset +#else /* UNIV_LOG_ARCHIVE */ + 0, 0 +#endif /* UNIV_LOG_ARCHIVE */ + ); + + group2 = UT_LIST_GET_NEXT(log_groups, group2); + } + + fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); + mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_1, fold); + + fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, + LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); + mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_2, fold); + + /* Starting from InnoDB-3.23.50, we also write info on allocated + size in the tablespace */ + + mach_write_to_4(buf + LOG_CHECKPOINT_FSP_FREE_LIMIT, + log_fsp_current_free_limit); + + mach_write_to_4(buf + LOG_CHECKPOINT_FSP_MAGIC_N, + LOG_CHECKPOINT_FSP_MAGIC_N_VAL); + + /* We alternate the physical place of the checkpoint info in the first + log file */ + + if ((log_sys->next_checkpoint_no & 1) == 0) { + write_offset = LOG_CHECKPOINT_1; + } else { + write_offset = LOG_CHECKPOINT_2; + } + + if (log_do_write) { + if (log_sys->n_pending_checkpoint_writes == 0) { + + rw_lock_x_lock_gen(&(log_sys->checkpoint_lock), + LOG_CHECKPOINT); + } + + log_sys->n_pending_checkpoint_writes++; + + log_sys->n_log_ios++; + + /* We send as the last parameter the group machine address + added with 1, as we want to distinguish between a normal log + file write and a checkpoint field write */ + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, FALSE, group->space_id, 0, + write_offset / UNIV_PAGE_SIZE, + write_offset % UNIV_PAGE_SIZE, + OS_FILE_LOG_BLOCK_SIZE, + buf, ((byte*)group + 1)); + + ut_ad(((ulint)group & 0x1UL) == 0); + } +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_HOTBACKUP +/******************************************************//** +Writes info to a buffer of a log group when log files are created in +backup restoration. */ +UNIV_INTERN +void +log_reset_first_header_and_checkpoint( +/*==================================*/ + byte* hdr_buf,/*!< in: buffer which will be written to the + start of the first log file */ + ib_uint64_t start) /*!< in: lsn of the start of the first log file; + we pretend that there is a checkpoint at + start + LOG_BLOCK_HDR_SIZE */ +{ + ulint fold; + byte* buf; + ib_uint64_t lsn; + + mach_write_to_4(hdr_buf + LOG_GROUP_ID, 0); + mach_write_ull(hdr_buf + LOG_FILE_START_LSN, start); + + lsn = start + LOG_BLOCK_HDR_SIZE; + + /* Write the label of ibbackup --restore */ + strcpy((char*) hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, + "ibbackup "); + ut_sprintf_timestamp((char*) hdr_buf + + (LOG_FILE_WAS_CREATED_BY_HOT_BACKUP + + (sizeof "ibbackup ") - 1)); + buf = hdr_buf + LOG_CHECKPOINT_1; + + mach_write_ull(buf + LOG_CHECKPOINT_NO, 0); + mach_write_ull(buf + LOG_CHECKPOINT_LSN, lsn); + + mach_write_to_4(buf + LOG_CHECKPOINT_OFFSET, + LOG_FILE_HDR_SIZE + LOG_BLOCK_HDR_SIZE); + + mach_write_to_4(buf + LOG_CHECKPOINT_LOG_BUF_SIZE, 2 * 1024 * 1024); + + mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, IB_ULONGLONG_MAX); + + fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); + mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_1, fold); + + fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, + LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); + mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_2, fold); + + /* Starting from InnoDB-3.23.50, we should also write info on + allocated size in the tablespace, but unfortunately we do not + know it here */ +} +#endif /* UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP +/******************************************************//** +Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ +UNIV_INTERN +void +log_group_read_checkpoint_info( +/*===========================*/ + log_group_t* group, /*!< in: log group */ + ulint field) /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + log_sys->n_log_ios++; + + fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, group->space_id, 0, + field / UNIV_PAGE_SIZE, field % UNIV_PAGE_SIZE, + OS_FILE_LOG_BLOCK_SIZE, log_sys->checkpoint_buf, NULL); +} + +/******************************************************//** +Writes checkpoint info to groups. */ +UNIV_INTERN +void +log_groups_write_checkpoint_info(void) +/*==================================*/ +{ + log_group_t* group; + + ut_ad(mutex_own(&(log_sys->mutex))); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group) { + log_group_checkpoint(group); + + group = UT_LIST_GET_NEXT(log_groups, group); + } +} + +/******************************************************//** +Makes a checkpoint. Note that this function does not flush dirty +blocks from the buffer pool: it only checks what is lsn of the oldest +modification in the pool, and writes information about the lsn in +log files. Use log_make_checkpoint_at to flush also the pool. +@return TRUE if success, FALSE if a checkpoint write was already running */ +UNIV_INTERN +ibool +log_checkpoint( +/*===========*/ + ibool sync, /*!< in: TRUE if synchronous operation is + desired */ + ibool write_always) /*!< in: the function normally checks if the + the new checkpoint would have a greater + lsn than the previous one: if not, then no + physical write is done; by setting this + parameter TRUE, a physical write will always be + made to log files */ +{ + ib_uint64_t oldest_lsn; + + if (recv_recovery_is_on()) { + recv_apply_hashed_log_recs(TRUE); + } + + if (srv_unix_file_flush_method != SRV_UNIX_NOSYNC) { + fil_flush_file_spaces(FIL_TABLESPACE); + } + + mutex_enter(&(log_sys->mutex)); + + ut_ad(!recv_no_log_write); + oldest_lsn = log_buf_pool_get_oldest_modification(); + + mutex_exit(&(log_sys->mutex)); + + /* Because log also contains headers and dummy log records, + if the buffer pool contains no dirty buffers, oldest_lsn + gets the value log_sys->lsn from the previous function, + and we must make sure that the log is flushed up to that + lsn. If there are dirty buffers in the buffer pool, then our + write-ahead-logging algorithm ensures that the log has been flushed + up to oldest_lsn. */ + + log_write_up_to(oldest_lsn, LOG_WAIT_ALL_GROUPS, TRUE); + + mutex_enter(&(log_sys->mutex)); + + if (!write_always + && log_sys->last_checkpoint_lsn >= oldest_lsn) { + + mutex_exit(&(log_sys->mutex)); + + return(TRUE); + } + + ut_ad(log_sys->flushed_to_disk_lsn >= oldest_lsn); + + if (log_sys->n_pending_checkpoint_writes > 0) { + /* A checkpoint write is running */ + + mutex_exit(&(log_sys->mutex)); + + if (sync) { + /* Wait for the checkpoint write to complete */ + rw_lock_s_lock(&(log_sys->checkpoint_lock)); + rw_lock_s_unlock(&(log_sys->checkpoint_lock)); + } + + return(FALSE); + } + + log_sys->next_checkpoint_lsn = oldest_lsn; + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, "Making checkpoint no %lu at lsn %llu\n", + (ulong) log_sys->next_checkpoint_no, + oldest_lsn); + } +#endif /* UNIV_DEBUG */ + + log_groups_write_checkpoint_info(); + + mutex_exit(&(log_sys->mutex)); + + if (sync) { + /* Wait for the checkpoint write to complete */ + rw_lock_s_lock(&(log_sys->checkpoint_lock)); + rw_lock_s_unlock(&(log_sys->checkpoint_lock)); + } + + return(TRUE); +} + +/****************************************************************//** +Makes a checkpoint at a given lsn or later. */ +UNIV_INTERN +void +log_make_checkpoint_at( +/*===================*/ + ib_uint64_t lsn, /*!< in: make a checkpoint at this or a + later lsn, if IB_ULONGLONG_MAX, makes + a checkpoint at the latest lsn */ + ibool write_always) /*!< in: the function normally checks if + the new checkpoint would have a + greater lsn than the previous one: if + not, then no physical write is done; + by setting this parameter TRUE, a + physical write will always be made to + log files */ +{ + /* Preflush pages synchronously */ + + while (!log_preflush_pool_modified_pages(lsn, TRUE)); + + while (!log_checkpoint(TRUE, write_always)); +} + +/****************************************************************//** +Tries to establish a big enough margin of free space in the log groups, such +that a new log entry can be catenated without an immediate need for a +checkpoint. NOTE: this function may only be called if the calling thread +owns no synchronization objects! */ +static +void +log_checkpoint_margin(void) +/*=======================*/ +{ + log_t* log = log_sys; + ib_uint64_t age; + ib_uint64_t checkpoint_age; + ib_uint64_t advance; + ib_uint64_t oldest_lsn; + ibool sync; + ibool checkpoint_sync; + ibool do_checkpoint; + ibool success; +loop: + sync = FALSE; + checkpoint_sync = FALSE; + do_checkpoint = FALSE; + + mutex_enter(&(log->mutex)); + ut_ad(!recv_no_log_write); + + if (log->check_flush_or_checkpoint == FALSE) { + mutex_exit(&(log->mutex)); + + return; + } + + oldest_lsn = log_buf_pool_get_oldest_modification(); + + age = log->lsn - oldest_lsn; + + if (age > log->max_modified_age_sync) { + + /* A flush is urgent: we have to do a synchronous preflush */ + + sync = TRUE; + advance = 2 * (age - log->max_modified_age_sync); + } else if (age > log->max_modified_age_async) { + + /* A flush is not urgent: we do an asynchronous preflush */ + advance = age - log->max_modified_age_async; + } else { + advance = 0; + } + + checkpoint_age = log->lsn - log->last_checkpoint_lsn; + + if (checkpoint_age > log->max_checkpoint_age) { + /* A checkpoint is urgent: we do it synchronously */ + + checkpoint_sync = TRUE; + + do_checkpoint = TRUE; + + } else if (checkpoint_age > log->max_checkpoint_age_async) { + /* A checkpoint is not urgent: do it asynchronously */ + + do_checkpoint = TRUE; + + log->check_flush_or_checkpoint = FALSE; + } else { + log->check_flush_or_checkpoint = FALSE; + } + + mutex_exit(&(log->mutex)); + + if (advance) { + ib_uint64_t new_oldest = oldest_lsn + advance; + + success = log_preflush_pool_modified_pages(new_oldest, sync); + + /* If the flush succeeded, this thread has done its part + and can proceed. If it did not succeed, there was another + thread doing a flush at the same time. If sync was FALSE, + the flush was not urgent, and we let this thread proceed. + Otherwise, we let it start from the beginning again. */ + + if (sync && !success) { + mutex_enter(&(log->mutex)); + + log->check_flush_or_checkpoint = TRUE; + + mutex_exit(&(log->mutex)); + goto loop; + } + } + + if (do_checkpoint) { + log_checkpoint(checkpoint_sync, FALSE); + + if (checkpoint_sync) { + + goto loop; + } + } +} + +/******************************************************//** +Reads a specified log segment to a buffer. */ +UNIV_INTERN +void +log_group_read_log_seg( +/*===================*/ + ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ + byte* buf, /*!< in: buffer where to read */ + log_group_t* group, /*!< in: log group */ + ib_uint64_t start_lsn, /*!< in: read area start */ + ib_uint64_t end_lsn) /*!< in: read area end */ +{ + ulint len; + ulint source_offset; + ibool sync; + + ut_ad(mutex_own(&(log_sys->mutex))); + + sync = (type == LOG_RECOVER); +loop: + source_offset = log_group_calc_lsn_offset(start_lsn, group); + + len = (ulint) (end_lsn - start_lsn); + + ut_ad(len != 0); + + if ((source_offset % group->file_size) + len > group->file_size) { + + len = group->file_size - (source_offset % group->file_size); + } + +#ifdef UNIV_LOG_ARCHIVE + if (type == LOG_ARCHIVE) { + + log_sys->n_pending_archive_ios++; + } +#endif /* UNIV_LOG_ARCHIVE */ + + log_sys->n_log_ios++; + + fil_io(OS_FILE_READ | OS_FILE_LOG, sync, group->space_id, 0, + source_offset / UNIV_PAGE_SIZE, source_offset % UNIV_PAGE_SIZE, + len, buf, NULL); + + start_lsn += len; + buf += len; + + if (start_lsn != end_lsn) { + + goto loop; + } +} + +#ifdef UNIV_LOG_ARCHIVE +/******************************************************//** +Generates an archived log file name. */ +UNIV_INTERN +void +log_archived_file_name_gen( +/*=======================*/ + char* buf, /*!< in: buffer where to write */ + ulint id __attribute__((unused)), + /*!< in: group id; + currently we only archive the first group */ + ulint file_no)/*!< in: file number */ +{ + sprintf(buf, "%sib_arch_log_%010lu", srv_arch_dir, (ulong) file_no); +} + +/******************************************************//** +Writes a log file header to a log file space. */ +static +void +log_group_archive_file_header_write( +/*================================*/ + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the + archive log file space */ + ulint file_no, /*!< in: archived file number */ + ib_uint64_t start_lsn) /*!< in: log file data starts at this + lsn */ +{ + byte* buf; + ulint dest_offset; + + ut_ad(mutex_own(&(log_sys->mutex))); + + ut_a(nth_file < group->n_files); + + buf = *(group->archive_file_header_bufs + nth_file); + + mach_write_to_4(buf + LOG_GROUP_ID, group->id); + mach_write_ull(buf + LOG_FILE_START_LSN, start_lsn); + mach_write_to_4(buf + LOG_FILE_NO, file_no); + + mach_write_to_4(buf + LOG_FILE_ARCH_COMPLETED, FALSE); + + dest_offset = nth_file * group->file_size; + + log_sys->n_log_ios++; + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->archive_space_id, + dest_offset / UNIV_PAGE_SIZE, + dest_offset % UNIV_PAGE_SIZE, + 2 * OS_FILE_LOG_BLOCK_SIZE, + buf, &log_archive_io); +} + +/******************************************************//** +Writes a log file header to a completed archived log file. */ +static +void +log_group_archive_completed_header_write( +/*=====================================*/ + log_group_t* group, /*!< in: log group */ + ulint nth_file, /*!< in: header to the nth file in the + archive log file space */ + ib_uint64_t end_lsn) /*!< in: end lsn of the file */ +{ + byte* buf; + ulint dest_offset; + + ut_ad(mutex_own(&(log_sys->mutex))); + ut_a(nth_file < group->n_files); + + buf = *(group->archive_file_header_bufs + nth_file); + + mach_write_to_4(buf + LOG_FILE_ARCH_COMPLETED, TRUE); + mach_write_ull(buf + LOG_FILE_END_LSN, end_lsn); + + dest_offset = nth_file * group->file_size + LOG_FILE_ARCH_COMPLETED; + + log_sys->n_log_ios++; + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->archive_space_id, + dest_offset / UNIV_PAGE_SIZE, + dest_offset % UNIV_PAGE_SIZE, + OS_FILE_LOG_BLOCK_SIZE, + buf + LOG_FILE_ARCH_COMPLETED, + &log_archive_io); +} + +/******************************************************//** +Does the archive writes for a single log group. */ +static +void +log_group_archive( +/*==============*/ + log_group_t* group) /*!< in: log group */ +{ + os_file_t file_handle; + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + char name[1024]; + byte* buf; + ulint len; + ibool ret; + ulint next_offset; + ulint n_files; + ulint open_mode; + + ut_ad(mutex_own(&(log_sys->mutex))); + + start_lsn = log_sys->archived_lsn; + + ut_a(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); + + end_lsn = log_sys->next_archived_lsn; + + ut_a(end_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); + + buf = log_sys->archive_buf; + + n_files = 0; + + next_offset = group->archived_offset; +loop: + if ((next_offset % group->file_size == 0) + || (fil_space_get_size(group->archive_space_id) == 0)) { + + /* Add the file to the archive file space; create or open the + file */ + + if (next_offset % group->file_size == 0) { + open_mode = OS_FILE_CREATE; + } else { + open_mode = OS_FILE_OPEN; + } + + log_archived_file_name_gen(name, group->id, + group->archived_file_no + n_files); + + file_handle = os_file_create(name, open_mode, OS_FILE_AIO, + OS_DATA_FILE, &ret); + + if (!ret && (open_mode == OS_FILE_CREATE)) { + file_handle = os_file_create( + name, OS_FILE_OPEN, OS_FILE_AIO, + OS_DATA_FILE, &ret); + } + + if (!ret) { + fprintf(stderr, + "InnoDB: Cannot create or open" + " archive log file %s.\n" + "InnoDB: Cannot continue operation.\n" + "InnoDB: Check that the log archive" + " directory exists,\n" + "InnoDB: you have access rights to it, and\n" + "InnoDB: there is space available.\n", name); + exit(1); + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, "Created archive file %s\n", name); + } +#endif /* UNIV_DEBUG */ + + ret = os_file_close(file_handle); + + ut_a(ret); + + /* Add the archive file as a node to the space */ + + fil_node_create(name, group->file_size / UNIV_PAGE_SIZE, + group->archive_space_id, FALSE); + + if (next_offset % group->file_size == 0) { + log_group_archive_file_header_write( + group, n_files, + group->archived_file_no + n_files, + start_lsn); + + next_offset += LOG_FILE_HDR_SIZE; + } + } + + len = end_lsn - start_lsn; + + if (group->file_size < (next_offset % group->file_size) + len) { + + len = group->file_size - (next_offset % group->file_size); + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Archiving starting at lsn %llu, len %lu" + " to group %lu\n", + start_lsn, + (ulong) len, (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + + log_sys->n_pending_archive_ios++; + + log_sys->n_log_ios++; + + fil_io(OS_FILE_WRITE | OS_FILE_LOG, FALSE, group->archive_space_id, + next_offset / UNIV_PAGE_SIZE, next_offset % UNIV_PAGE_SIZE, + ut_calc_align(len, OS_FILE_LOG_BLOCK_SIZE), buf, + &log_archive_io); + + start_lsn += len; + next_offset += len; + buf += len; + + if (next_offset % group->file_size == 0) { + n_files++; + } + + if (end_lsn != start_lsn) { + + goto loop; + } + + group->next_archived_file_no = group->archived_file_no + n_files; + group->next_archived_offset = next_offset % group->file_size; + + ut_a(group->next_archived_offset % OS_FILE_LOG_BLOCK_SIZE == 0); +} + +/*****************************************************//** +(Writes to the archive of each log group.) Currently, only the first +group is archived. */ +static +void +log_archive_groups(void) +/*====================*/ +{ + log_group_t* group; + + ut_ad(mutex_own(&(log_sys->mutex))); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + log_group_archive(group); +} + +/*****************************************************//** +Completes the archiving write phase for (each log group), currently, +the first log group. */ +static +void +log_archive_write_complete_groups(void) +/*===================================*/ +{ + log_group_t* group; + ulint end_offset; + ulint trunc_files; + ulint n_files; + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + ulint i; + + ut_ad(mutex_own(&(log_sys->mutex))); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + group->archived_file_no = group->next_archived_file_no; + group->archived_offset = group->next_archived_offset; + + /* Truncate from the archive file space all but the last + file, or if it has been written full, all files */ + + n_files = (UNIV_PAGE_SIZE + * fil_space_get_size(group->archive_space_id)) + / group->file_size; + ut_ad(n_files > 0); + + end_offset = group->archived_offset; + + if (end_offset % group->file_size == 0) { + + trunc_files = n_files; + } else { + trunc_files = n_files - 1; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes && trunc_files) { + fprintf(stderr, + "Complete file(s) archived to group %lu\n", + (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + + /* Calculate the archive file space start lsn */ + start_lsn = log_sys->next_archived_lsn + - (end_offset - LOG_FILE_HDR_SIZE + trunc_files + * (group->file_size - LOG_FILE_HDR_SIZE)); + end_lsn = start_lsn; + + for (i = 0; i < trunc_files; i++) { + + end_lsn += group->file_size - LOG_FILE_HDR_SIZE; + + /* Write a notice to the headers of archived log + files that the file write has been completed */ + + log_group_archive_completed_header_write(group, i, end_lsn); + } + + fil_space_truncate_start(group->archive_space_id, + trunc_files * group->file_size); + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fputs("Archiving writes completed\n", stderr); + } +#endif /* UNIV_DEBUG */ +} + +/******************************************************//** +Completes an archiving i/o. */ +static +void +log_archive_check_completion_low(void) +/*==================================*/ +{ + ut_ad(mutex_own(&(log_sys->mutex))); + + if (log_sys->n_pending_archive_ios == 0 + && log_sys->archiving_phase == LOG_ARCHIVE_READ) { + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fputs("Archiving read completed\n", stderr); + } +#endif /* UNIV_DEBUG */ + + /* Archive buffer has now been read in: start archive writes */ + + log_sys->archiving_phase = LOG_ARCHIVE_WRITE; + + log_archive_groups(); + } + + if (log_sys->n_pending_archive_ios == 0 + && log_sys->archiving_phase == LOG_ARCHIVE_WRITE) { + + log_archive_write_complete_groups(); + + log_sys->archived_lsn = log_sys->next_archived_lsn; + + rw_lock_x_unlock_gen(&(log_sys->archive_lock), LOG_ARCHIVE); + } +} + +/******************************************************//** +Completes an archiving i/o. */ +static +void +log_io_complete_archive(void) +/*=========================*/ +{ + log_group_t* group; + + mutex_enter(&(log_sys->mutex)); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + mutex_exit(&(log_sys->mutex)); + + fil_flush(group->archive_space_id); + + mutex_enter(&(log_sys->mutex)); + + ut_ad(log_sys->n_pending_archive_ios > 0); + + log_sys->n_pending_archive_ios--; + + log_archive_check_completion_low(); + + mutex_exit(&(log_sys->mutex)); +} + +/********************************************************************//** +Starts an archiving operation. +@return TRUE if succeed, FALSE if an archiving operation was already running */ +UNIV_INTERN +ibool +log_archive_do( +/*===========*/ + ibool sync, /*!< in: TRUE if synchronous operation is desired */ + ulint* n_bytes)/*!< out: archive log buffer size, 0 if nothing to + archive */ +{ + ibool calc_new_limit; + ib_uint64_t start_lsn; + ib_uint64_t limit_lsn; + + calc_new_limit = TRUE; +loop: + mutex_enter(&(log_sys->mutex)); + + switch (log_sys->archiving_state) { + case LOG_ARCH_OFF: +arch_none: + mutex_exit(&(log_sys->mutex)); + + *n_bytes = 0; + + return(TRUE); + case LOG_ARCH_STOPPED: + case LOG_ARCH_STOPPING2: + mutex_exit(&(log_sys->mutex)); + + os_event_wait(log_sys->archiving_on); + + goto loop; + } + + start_lsn = log_sys->archived_lsn; + + if (calc_new_limit) { + ut_a(log_sys->archive_buf_size % OS_FILE_LOG_BLOCK_SIZE == 0); + limit_lsn = start_lsn + log_sys->archive_buf_size; + + *n_bytes = log_sys->archive_buf_size; + + if (limit_lsn >= log_sys->lsn) { + + limit_lsn = ut_uint64_align_down( + log_sys->lsn, OS_FILE_LOG_BLOCK_SIZE); + } + } + + if (log_sys->archived_lsn >= limit_lsn) { + + goto arch_none; + } + + if (log_sys->written_to_all_lsn < limit_lsn) { + + mutex_exit(&(log_sys->mutex)); + + log_write_up_to(limit_lsn, LOG_WAIT_ALL_GROUPS, TRUE); + + calc_new_limit = FALSE; + + goto loop; + } + + if (log_sys->n_pending_archive_ios > 0) { + /* An archiving operation is running */ + + mutex_exit(&(log_sys->mutex)); + + if (sync) { + rw_lock_s_lock(&(log_sys->archive_lock)); + rw_lock_s_unlock(&(log_sys->archive_lock)); + } + + *n_bytes = log_sys->archive_buf_size; + + return(FALSE); + } + + rw_lock_x_lock_gen(&(log_sys->archive_lock), LOG_ARCHIVE); + + log_sys->archiving_phase = LOG_ARCHIVE_READ; + + log_sys->next_archived_lsn = limit_lsn; + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Archiving from lsn %llu to lsn %llu\n", + log_sys->archived_lsn, limit_lsn); + } +#endif /* UNIV_DEBUG */ + + /* Read the log segment to the archive buffer */ + + log_group_read_log_seg(LOG_ARCHIVE, log_sys->archive_buf, + UT_LIST_GET_FIRST(log_sys->log_groups), + start_lsn, limit_lsn); + + mutex_exit(&(log_sys->mutex)); + + if (sync) { + rw_lock_s_lock(&(log_sys->archive_lock)); + rw_lock_s_unlock(&(log_sys->archive_lock)); + } + + *n_bytes = log_sys->archive_buf_size; + + return(TRUE); +} + +/****************************************************************//** +Writes the log contents to the archive at least up to the lsn when this +function was called. */ +static +void +log_archive_all(void) +/*=================*/ +{ + ib_uint64_t present_lsn; + ulint dummy; + + mutex_enter(&(log_sys->mutex)); + + if (log_sys->archiving_state == LOG_ARCH_OFF) { + mutex_exit(&(log_sys->mutex)); + + return; + } + + present_lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + log_pad_current_log_block(); + + for (;;) { + mutex_enter(&(log_sys->mutex)); + + if (present_lsn <= log_sys->archived_lsn) { + + mutex_exit(&(log_sys->mutex)); + + return; + } + + mutex_exit(&(log_sys->mutex)); + + log_archive_do(TRUE, &dummy); + } +} + +/*****************************************************//** +Closes the possible open archive log file (for each group) the first group, +and if it was open, increments the group file count by 2, if desired. */ +static +void +log_archive_close_groups( +/*=====================*/ + ibool increment_file_count) /*!< in: TRUE if we want to increment + the file count */ +{ + log_group_t* group; + ulint trunc_len; + + ut_ad(mutex_own(&(log_sys->mutex))); + + if (log_sys->archiving_state == LOG_ARCH_OFF) { + + return; + } + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + trunc_len = UNIV_PAGE_SIZE + * fil_space_get_size(group->archive_space_id); + if (trunc_len > 0) { + ut_a(trunc_len == group->file_size); + + /* Write a notice to the headers of archived log + files that the file write has been completed */ + + log_group_archive_completed_header_write( + group, 0, log_sys->archived_lsn); + + fil_space_truncate_start(group->archive_space_id, + trunc_len); + if (increment_file_count) { + group->archived_offset = 0; + group->archived_file_no += 2; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "Incrementing arch file no to %lu" + " in log group %lu\n", + (ulong) group->archived_file_no + 2, + (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + } +} + +/****************************************************************//** +Writes the log contents to the archive up to the lsn when this function was +called, and stops the archiving. When archiving is started again, the archived +log file numbers start from 2 higher, so that the archiving will not write +again to the archived log files which exist when this function returns. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_stop(void) +/*==================*/ +{ + ibool success; + + mutex_enter(&(log_sys->mutex)); + + if (log_sys->archiving_state != LOG_ARCH_ON) { + + mutex_exit(&(log_sys->mutex)); + + return(DB_ERROR); + } + + log_sys->archiving_state = LOG_ARCH_STOPPING; + + mutex_exit(&(log_sys->mutex)); + + log_archive_all(); + + mutex_enter(&(log_sys->mutex)); + + log_sys->archiving_state = LOG_ARCH_STOPPING2; + os_event_reset(log_sys->archiving_on); + + mutex_exit(&(log_sys->mutex)); + + /* Wait for a possible archiving operation to end */ + + rw_lock_s_lock(&(log_sys->archive_lock)); + rw_lock_s_unlock(&(log_sys->archive_lock)); + + mutex_enter(&(log_sys->mutex)); + + /* Close all archived log files, incrementing the file count by 2, + if appropriate */ + + log_archive_close_groups(TRUE); + + mutex_exit(&(log_sys->mutex)); + + /* Make a checkpoint, so that if recovery is needed, the file numbers + of new archived log files will start from the right value */ + + success = FALSE; + + while (!success) { + success = log_checkpoint(TRUE, TRUE); + } + + mutex_enter(&(log_sys->mutex)); + + log_sys->archiving_state = LOG_ARCH_STOPPED; + + mutex_exit(&(log_sys->mutex)); + + return(DB_SUCCESS); +} + +/****************************************************************//** +Starts again archiving which has been stopped. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_start(void) +/*===================*/ +{ + mutex_enter(&(log_sys->mutex)); + + if (log_sys->archiving_state != LOG_ARCH_STOPPED) { + + mutex_exit(&(log_sys->mutex)); + + return(DB_ERROR); + } + + log_sys->archiving_state = LOG_ARCH_ON; + + os_event_set(log_sys->archiving_on); + + mutex_exit(&(log_sys->mutex)); + + return(DB_SUCCESS); +} + +/****************************************************************//** +Stop archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_noarchivelog(void) +/*==========================*/ +{ +loop: + mutex_enter(&(log_sys->mutex)); + + if (log_sys->archiving_state == LOG_ARCH_STOPPED + || log_sys->archiving_state == LOG_ARCH_OFF) { + + log_sys->archiving_state = LOG_ARCH_OFF; + + os_event_set(log_sys->archiving_on); + + mutex_exit(&(log_sys->mutex)); + + return(DB_SUCCESS); + } + + mutex_exit(&(log_sys->mutex)); + + log_archive_stop(); + + os_thread_sleep(500000); + + goto loop; +} + +/****************************************************************//** +Start archiving the log so that a gap may occur in the archived log files. +@return DB_SUCCESS or DB_ERROR */ +UNIV_INTERN +ulint +log_archive_archivelog(void) +/*========================*/ +{ + mutex_enter(&(log_sys->mutex)); + + if (log_sys->archiving_state == LOG_ARCH_OFF) { + + log_sys->archiving_state = LOG_ARCH_ON; + + log_sys->archived_lsn + = ut_uint64_align_down(log_sys->lsn, + OS_FILE_LOG_BLOCK_SIZE); + mutex_exit(&(log_sys->mutex)); + + return(DB_SUCCESS); + } + + mutex_exit(&(log_sys->mutex)); + + return(DB_ERROR); +} + +/****************************************************************//** +Tries to establish a big enough margin of free space in the log groups, such +that a new log entry can be catenated without an immediate need for +archiving. */ +static +void +log_archive_margin(void) +/*====================*/ +{ + log_t* log = log_sys; + ulint age; + ibool sync; + ulint dummy; +loop: + mutex_enter(&(log->mutex)); + + if (log->archiving_state == LOG_ARCH_OFF) { + mutex_exit(&(log->mutex)); + + return; + } + + age = log->lsn - log->archived_lsn; + + if (age > log->max_archived_lsn_age) { + + /* An archiving is urgent: we have to do synchronous i/o */ + + sync = TRUE; + + } else if (age > log->max_archived_lsn_age_async) { + + /* An archiving is not urgent: we do asynchronous i/o */ + + sync = FALSE; + } else { + /* No archiving required yet */ + + mutex_exit(&(log->mutex)); + + return; + } + + mutex_exit(&(log->mutex)); + + log_archive_do(sync, &dummy); + + if (sync == TRUE) { + /* Check again that enough was written to the archive */ + + goto loop; + } +} +#endif /* UNIV_LOG_ARCHIVE */ + +/********************************************************************//** +Checks that there is enough free space in the log to start a new query step. +Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this +function may only be called if the calling thread owns no synchronization +objects! */ +UNIV_INTERN +void +log_check_margins(void) +/*===================*/ +{ +loop: + log_flush_margin(); + + log_checkpoint_margin(); + +#ifdef UNIV_LOG_ARCHIVE + log_archive_margin(); +#endif /* UNIV_LOG_ARCHIVE */ + + mutex_enter(&(log_sys->mutex)); + ut_ad(!recv_no_log_write); + + if (log_sys->check_flush_or_checkpoint) { + + mutex_exit(&(log_sys->mutex)); + + goto loop; + } + + mutex_exit(&(log_sys->mutex)); +} + +/****************************************************************//** +Makes a checkpoint at the latest lsn and writes it to first page of each +data file in the database, so that we know that the file spaces contain +all modifications up to that lsn. This can only be called at database +shutdown. This function also writes all log in log files to the log archive. */ +UNIV_INTERN +void +logs_empty_and_mark_files_at_shutdown(void) +/*=======================================*/ +{ + ib_uint64_t lsn; + ulint arch_log_no; + + if (srv_print_verbose_log) { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Starting shutdown...\n"); + } + /* Wait until the master thread and all other operations are idle: our + algorithm only works if the server is idle at shutdown */ + + srv_shutdown_state = SRV_SHUTDOWN_CLEANUP; +loop: + os_thread_sleep(100000); + + mutex_enter(&kernel_mutex); + + /* We need the monitor threads to stop before we proceed with a + normal shutdown. In case of very fast shutdown, however, we can + proceed without waiting for monitor threads. */ + + if (srv_fast_shutdown < 2 + && (srv_error_monitor_active + || srv_lock_timeout_active || srv_monitor_active)) { + + mutex_exit(&kernel_mutex); + + goto loop; + } + + /* Check that there are no longer transactions. We need this wait even + for the 'very fast' shutdown, because the InnoDB layer may have + committed or prepared transactions and we don't want to lose them. */ + + if (trx_n_mysql_transactions > 0 + || UT_LIST_GET_LEN(trx_sys->trx_list) > 0) { + + mutex_exit(&kernel_mutex); + + goto loop; + } + + if (srv_fast_shutdown == 2) { + /* In this fastest shutdown we do not flush the buffer pool: + it is essentially a 'crash' of the InnoDB server. Make sure + that the log is all flushed to disk, so that we can recover + all committed transactions in a crash recovery. We must not + write the lsn stamps to the data files, since at a startup + InnoDB deduces from the stamps if the previous shutdown was + clean. */ + + log_buffer_flush_to_disk(); + + return; /* We SKIP ALL THE REST !! */ + } + + /* Check that the master thread is suspended */ + + if (srv_n_threads_active[SRV_MASTER] != 0) { + + mutex_exit(&kernel_mutex); + + goto loop; + } + + mutex_exit(&kernel_mutex); + + mutex_enter(&(log_sys->mutex)); + + if (log_sys->n_pending_checkpoint_writes +#ifdef UNIV_LOG_ARCHIVE + || log_sys->n_pending_archive_ios +#endif /* UNIV_LOG_ARCHIVE */ + || log_sys->n_pending_writes) { + + mutex_exit(&(log_sys->mutex)); + + goto loop; + } + + mutex_exit(&(log_sys->mutex)); + + if (!buf_pool_check_no_pending_io()) { + + goto loop; + } + +#ifdef UNIV_LOG_ARCHIVE + log_archive_all(); +#endif /* UNIV_LOG_ARCHIVE */ + + log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); + + mutex_enter(&(log_sys->mutex)); + + lsn = log_sys->lsn; + + if (lsn != log_sys->last_checkpoint_lsn +#ifdef UNIV_LOG_ARCHIVE + || (srv_log_archive_on + && lsn != log_sys->archived_lsn + LOG_BLOCK_HDR_SIZE) +#endif /* UNIV_LOG_ARCHIVE */ + ) { + + mutex_exit(&(log_sys->mutex)); + + goto loop; + } + + arch_log_no = 0; + +#ifdef UNIV_LOG_ARCHIVE + UT_LIST_GET_FIRST(log_sys->log_groups)->archived_file_no; + + if (0 == UT_LIST_GET_FIRST(log_sys->log_groups)->archived_offset) { + + arch_log_no--; + } + + log_archive_close_groups(TRUE); +#endif /* UNIV_LOG_ARCHIVE */ + + mutex_exit(&(log_sys->mutex)); + + mutex_enter(&kernel_mutex); + /* Check that the master thread has stayed suspended */ + if (srv_n_threads_active[SRV_MASTER] != 0) { + fprintf(stderr, + "InnoDB: Warning: the master thread woke up" + " during shutdown\n"); + + mutex_exit(&kernel_mutex); + + goto loop; + } + mutex_exit(&kernel_mutex); + + fil_flush_file_spaces(FIL_TABLESPACE); + fil_flush_file_spaces(FIL_LOG); + + /* The call fil_write_flushed_lsn_to_data_files() will pass the buffer + pool: therefore it is essential that the buffer pool has been + completely flushed to disk! (We do not call fil_write... if the + 'very fast' shutdown is enabled.) */ + + if (!buf_all_freed()) { + + goto loop; + } + + srv_shutdown_state = SRV_SHUTDOWN_LAST_PHASE; + + /* Make some checks that the server really is quiet */ + ut_a(srv_n_threads_active[SRV_MASTER] == 0); + ut_a(buf_all_freed()); + ut_a(lsn == log_sys->lsn); + + if (lsn < srv_start_lsn) { + fprintf(stderr, + "InnoDB: Error: log sequence number" + " at shutdown %llu\n" + "InnoDB: is lower than at startup %llu!\n", + lsn, srv_start_lsn); + } + + srv_shutdown_lsn = lsn; + + fil_write_flushed_lsn_to_data_files(lsn, arch_log_no); + + fil_flush_file_spaces(FIL_TABLESPACE); + + fil_close_all_files(); + + /* Make some checks that the server really is quiet */ + ut_a(srv_n_threads_active[SRV_MASTER] == 0); + ut_a(buf_all_freed()); + ut_a(lsn == log_sys->lsn); +} + +#ifdef UNIV_LOG_DEBUG +/******************************************************//** +Checks by parsing that the catenated log segment for a single mtr is +consistent. */ +UNIV_INTERN +ibool +log_check_log_recs( +/*===============*/ + const byte* buf, /*!< in: pointer to the start of + the log segment in the + log_sys->buf log buffer */ + ulint len, /*!< in: segment length in bytes */ + ib_uint64_t buf_start_lsn) /*!< in: buffer start lsn */ +{ + ib_uint64_t contiguous_lsn; + ib_uint64_t scanned_lsn; + const byte* start; + const byte* end; + byte* buf1; + byte* scan_buf; + + ut_ad(mutex_own(&(log_sys->mutex))); + + if (len == 0) { + + return(TRUE); + } + + start = ut_align_down(buf, OS_FILE_LOG_BLOCK_SIZE); + end = ut_align(buf + len, OS_FILE_LOG_BLOCK_SIZE); + + buf1 = mem_alloc((end - start) + OS_FILE_LOG_BLOCK_SIZE); + scan_buf = ut_align(buf1, OS_FILE_LOG_BLOCK_SIZE); + + ut_memcpy(scan_buf, start, end - start); + + recv_scan_log_recs((buf_pool->curr_size + - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, + FALSE, scan_buf, end - start, + ut_uint64_align_down(buf_start_lsn, + OS_FILE_LOG_BLOCK_SIZE), + &contiguous_lsn, &scanned_lsn); + + ut_a(scanned_lsn == buf_start_lsn + len); + ut_a(recv_sys->recovered_lsn == scanned_lsn); + + mem_free(buf1); + + return(TRUE); +} +#endif /* UNIV_LOG_DEBUG */ + +/******************************************************//** +Peeks the current lsn. +@return TRUE if success, FALSE if could not get the log system mutex */ +UNIV_INTERN +ibool +log_peek_lsn( +/*=========*/ + ib_uint64_t* lsn) /*!< out: if returns TRUE, current lsn is here */ +{ + if (0 == mutex_enter_nowait(&(log_sys->mutex))) { + *lsn = log_sys->lsn; + + mutex_exit(&(log_sys->mutex)); + + return(TRUE); + } + + return(FALSE); +} + +/******************************************************//** +Prints info of the log. */ +UNIV_INTERN +void +log_print( +/*======*/ + FILE* file) /*!< in: file where to print */ +{ + double time_elapsed; + time_t current_time; + + mutex_enter(&(log_sys->mutex)); + + fprintf(file, + "Log sequence number %llu\n" + "Log flushed up to %llu\n" + "Last checkpoint at %llu\n", + log_sys->lsn, + log_sys->flushed_to_disk_lsn, + log_sys->last_checkpoint_lsn); + + current_time = time(NULL); + + time_elapsed = 0.001 + difftime(current_time, + log_sys->last_printout_time); + fprintf(file, + "%lu pending log writes, %lu pending chkp writes\n" + "%lu log i/o's done, %.2f log i/o's/second\n", + (ulong) log_sys->n_pending_writes, + (ulong) log_sys->n_pending_checkpoint_writes, + (ulong) log_sys->n_log_ios, + ((log_sys->n_log_ios - log_sys->n_log_ios_old) + / time_elapsed)); + + log_sys->n_log_ios_old = log_sys->n_log_ios; + log_sys->last_printout_time = current_time; + + mutex_exit(&(log_sys->mutex)); +} + +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +log_refresh_stats(void) +/*===================*/ +{ + log_sys->n_log_ios_old = log_sys->n_log_ios; + log_sys->last_printout_time = time(NULL); +} + +/********************************************************************** +Closes a log group. */ +static +void +log_group_close( +/*===========*/ + log_group_t* group) /* in,own: log group to close */ +{ + ulint i; + + for (i = 0; i < group->n_files; i++) { + mem_free(group->file_header_bufs_ptr[i]); +#ifdef UNIV_LOG_ARCHIVE + mem_free(group->archive_file_header_bufs_ptr[i]); +#endif /* UNIV_LOG_ARCHIVE */ + } + + mem_free(group->file_header_bufs_ptr); + mem_free(group->file_header_bufs); + +#ifdef UNIV_LOG_ARCHIVE + mem_free(group->archive_file_header_bufs_ptr); + mem_free(group->archive_file_header_bufs); +#endif /* UNIV_LOG_ARCHIVE */ + + mem_free(group->checkpoint_buf_ptr); + + mem_free(group); +} + +/********************************************************** +Shutdown the log system but do not release all the memory. */ +UNIV_INTERN +void +log_shutdown(void) +/*==============*/ +{ + log_group_t* group; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (UT_LIST_GET_LEN(log_sys->log_groups) > 0) { + log_group_t* prev_group = group; + + group = UT_LIST_GET_NEXT(log_groups, group); + UT_LIST_REMOVE(log_groups, log_sys->log_groups, prev_group); + + log_group_close(prev_group); + } + + mem_free(log_sys->buf_ptr); + log_sys->buf_ptr = NULL; + log_sys->buf = NULL; + mem_free(log_sys->checkpoint_buf_ptr); + log_sys->checkpoint_buf_ptr = NULL; + log_sys->checkpoint_buf = NULL; + + os_event_free(log_sys->no_flush_event); + os_event_free(log_sys->one_flushed_event); + + rw_lock_free(&log_sys->checkpoint_lock); + + mutex_free(&log_sys->mutex); + +#ifdef UNIV_LOG_ARCHIVE + rw_lock_free(&log_sys->archive_lock); + os_event_create(log_sys->archiving_on); +#endif /* UNIV_LOG_ARCHIVE */ + +#ifdef UNIV_LOG_DEBUG + recv_sys_debug_free(); +#endif + + recv_sys_close(); +} + +/********************************************************** +Free the log system data structures. */ +UNIV_INTERN +void +log_mem_free(void) +/*==============*/ +{ + if (log_sys != NULL) { + recv_sys_mem_free(); + mem_free(log_sys); + + log_sys = NULL; + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/log/log0recv.c b/perfschema/log/log0recv.c new file mode 100644 index 00000000000..3e3aaa25ab2 --- /dev/null +++ b/perfschema/log/log0recv.c @@ -0,0 +1,3804 @@ +/***************************************************************************** + +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file log/log0recv.c +Recovery + +Created 9/20/1997 Heikki Tuuri +*******************************************************/ + +#include "log0recv.h" + +#ifdef UNIV_NONINL +#include "log0recv.ic" +#endif + +#include "mem0mem.h" +#include "buf0buf.h" +#include "buf0flu.h" +#include "mtr0mtr.h" +#include "mtr0log.h" +#include "page0cur.h" +#include "page0zip.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "ibuf0ibuf.h" +#include "trx0undo.h" +#include "trx0rec.h" +#include "fil0fil.h" +#ifndef UNIV_HOTBACKUP +# include "buf0rea.h" +# include "srv0srv.h" +# include "srv0start.h" +# include "trx0roll.h" +# include "row0merge.h" +# include "sync0sync.h" +#else /* !UNIV_HOTBACKUP */ + +/** This is set to FALSE if the backup was originally taken with the +ibbackup --include regexp option: then we do not want to create tables in +directories which were not included */ +UNIV_INTERN ibool recv_replay_file_ops = TRUE; +#endif /* !UNIV_HOTBACKUP */ + +/** Log records are stored in the hash table in chunks at most of this size; +this must be less than UNIV_PAGE_SIZE as it is stored in the buffer pool */ +#define RECV_DATA_BLOCK_SIZE (MEM_MAX_ALLOC_IN_BUF - sizeof(recv_data_t)) + +/** Read-ahead area in applying log records to file pages */ +#define RECV_READ_AHEAD_AREA 32 + +/** The recovery system */ +UNIV_INTERN recv_sys_t* recv_sys = NULL; +/** TRUE when applying redo log records during crash recovery; FALSE +otherwise. Note that this is FALSE while a background thread is +rolling back incomplete transactions. */ +UNIV_INTERN ibool recv_recovery_on; +#ifdef UNIV_LOG_ARCHIVE +/** TRUE when applying redo log records from an archived log file */ +UNIV_INTERN ibool recv_recovery_from_backup_on; +#endif /* UNIV_LOG_ARCHIVE */ + +#ifndef UNIV_HOTBACKUP +/** TRUE when recv_init_crash_recovery() has been called. */ +UNIV_INTERN ibool recv_needed_recovery; +# ifdef UNIV_DEBUG +/** TRUE if writing to the redo log (mtr_commit) is forbidden. +Protected by log_sys->mutex. */ +UNIV_INTERN ibool recv_no_log_write = FALSE; +# endif /* UNIV_DEBUG */ + +/** TRUE if buf_page_is_corrupted() should check if the log sequence +number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by +recv_recovery_from_checkpoint_start_func(). */ +UNIV_INTERN ibool recv_lsn_checks_on; + +/** There are two conditions under which we scan the logs, the first +is normal startup and the second is when we do a recovery from an +archive. +This flag is set if we are doing a scan from the last checkpoint during +startup. If we find log entries that were written after the last checkpoint +we know that the server was not cleanly shutdown. We must then initialize +the crash recovery environment before attempting to store these entries in +the log hash table. */ +static ibool recv_log_scan_is_startup_type; + +/** If the following is TRUE, the buffer pool file pages must be invalidated +after recovery and no ibuf operations are allowed; this becomes TRUE if +the log record hash table becomes too full, and log records must be merged +to file pages already before the recovery is finished: in this case no +ibuf operations are allowed, as they could modify the pages read in the +buffer pool before the pages have been recovered to the up-to-date state. + +TRUE means that recovery is running and no operations on the log files +are allowed yet: the variable name is misleading. */ +UNIV_INTERN ibool recv_no_ibuf_operations; +/** TRUE when the redo log is being backed up */ +# define recv_is_making_a_backup FALSE +/** TRUE when recovering from a backed up redo log file */ +# define recv_is_from_backup FALSE +#else /* !UNIV_HOTBACKUP */ +# define recv_needed_recovery FALSE +/** TRUE when the redo log is being backed up */ +UNIV_INTERN ibool recv_is_making_a_backup = FALSE; +/** TRUE when recovering from a backed up redo log file */ +UNIV_INTERN ibool recv_is_from_backup = FALSE; +# define buf_pool_get_curr_size() (5 * 1024 * 1024) +#endif /* !UNIV_HOTBACKUP */ +/** The following counter is used to decide when to print info on +log scan */ +static ulint recv_scan_print_counter; + +/** The type of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_type; +/** The offset of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_offset; +/** The 'multi' flag of the previous parsed redo log record */ +static ulint recv_previous_parsed_rec_is_multi; + +/** Maximum page number encountered in the redo log */ +UNIV_INTERN ulint recv_max_parsed_page_no; + +/** This many frames must be left free in the buffer pool when we scan +the log and store the scanned log records in the buffer pool: we will +use these free frames to read in pages when we start applying the +log records to the database. +This is the default value. If the actual size of the buffer pool is +larger than 10 MB we'll set this value to 512. */ +UNIV_INTERN ulint recv_n_pool_free_frames; + +/** The maximum lsn we see for a page during the recovery process. If this +is bigger than the lsn we are able to scan up to, that is an indication that +the recovery failed and the database may be corrupt. */ +UNIV_INTERN ib_uint64_t recv_max_page_lsn; + +/* prototypes */ + +#ifndef UNIV_HOTBACKUP +/*******************************************************//** +Initialize crash recovery environment. Can be called iff +recv_needed_recovery == FALSE. */ +static +void +recv_init_crash_recovery(void); +/*===========================*/ +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Creates the recovery system. */ +UNIV_INTERN +void +recv_sys_create(void) +/*=================*/ +{ + if (recv_sys != NULL) { + + return; + } + + recv_sys = mem_alloc(sizeof(*recv_sys)); + memset(recv_sys, 0x0, sizeof(*recv_sys)); + + mutex_create(&recv_sys->mutex, SYNC_RECV); + + recv_sys->heap = NULL; + recv_sys->addr_hash = NULL; +} + +/********************************************************//** +Release recovery system mutexes. */ +UNIV_INTERN +void +recv_sys_close(void) +/*================*/ +{ + if (recv_sys != NULL) { + if (recv_sys->addr_hash != NULL) { + hash_table_free(recv_sys->addr_hash); + } + + if (recv_sys->heap != NULL) { + mem_heap_free(recv_sys->heap); + } + + if (recv_sys->buf != NULL) { + ut_free(recv_sys->buf); + } + + if (recv_sys->last_block_buf_start != NULL) { + mem_free(recv_sys->last_block_buf_start); + } + + mutex_free(&recv_sys->mutex); + + mem_free(recv_sys); + recv_sys = NULL; + } +} + +/********************************************************//** +Frees the recovery system memory. */ +UNIV_INTERN +void +recv_sys_mem_free(void) +/*===================*/ +{ + if (recv_sys != NULL) { + if (recv_sys->addr_hash != NULL) { + hash_table_free(recv_sys->addr_hash); + } + + if (recv_sys->heap != NULL) { + mem_heap_free(recv_sys->heap); + } + + if (recv_sys->buf != NULL) { + ut_free(recv_sys->buf); + } + + if (recv_sys->last_block_buf_start != NULL) { + mem_free(recv_sys->last_block_buf_start); + } + + mem_free(recv_sys); + recv_sys = NULL; + } +} + +#ifndef UNIV_HOTBACKUP +/************************************************************ +Reset the state of the recovery system variables. */ +UNIV_INTERN +void +recv_sys_var_init(void) +/*===================*/ +{ + recv_lsn_checks_on = FALSE; + + recv_n_pool_free_frames = 256; + + recv_recovery_on = FALSE; + +#ifdef UNIV_LOG_ARCHIVE + recv_recovery_from_backup_on = FALSE; +#endif /* UNIV_LOG_ARCHIVE */ + + recv_needed_recovery = FALSE; + + recv_lsn_checks_on = FALSE; + + recv_log_scan_is_startup_type = FALSE; + + recv_no_ibuf_operations = FALSE; + + recv_scan_print_counter = 0; + + recv_previous_parsed_rec_type = 999999; + + recv_previous_parsed_rec_offset = 0; + + recv_previous_parsed_rec_is_multi = 0; + + recv_max_parsed_page_no = 0; + + recv_n_pool_free_frames = 256; + + recv_max_page_lsn = 0; +} +#endif /* !UNIV_HOTBACKUP */ + +/************************************************************ +Inits the recovery system for a recovery operation. */ +UNIV_INTERN +void +recv_sys_init( +/*==========*/ + ulint available_memory) /*!< in: available memory in bytes */ +{ + if (recv_sys->heap != NULL) { + + return; + } + +#ifndef UNIV_HOTBACKUP + /* Initialize red-black tree for fast insertions into the + flush_list during recovery process. + As this initialization is done while holding the buffer pool + mutex we perform it before acquiring recv_sys->mutex. */ + buf_flush_init_flush_rbt(); +#endif /* !UNIV_HOTBACKUP */ + + mutex_enter(&(recv_sys->mutex)); + +#ifndef UNIV_HOTBACKUP + recv_sys->heap = mem_heap_create_in_buffer(256); +#else /* !UNIV_HOTBACKUP */ + recv_sys->heap = mem_heap_create(256); + recv_is_from_backup = TRUE; +#endif /* !UNIV_HOTBACKUP */ + + /* Set appropriate value of recv_n_pool_free_frames. */ + if (buf_pool_get_curr_size() >= (10 * 1024 * 1024)) { + /* Buffer pool of size greater than 10 MB. */ + recv_n_pool_free_frames = 512; + } + + recv_sys->buf = ut_malloc(RECV_PARSING_BUF_SIZE); + recv_sys->len = 0; + recv_sys->recovered_offset = 0; + + recv_sys->addr_hash = hash_create(available_memory / 64); + recv_sys->n_addrs = 0; + + recv_sys->apply_log_recs = FALSE; + recv_sys->apply_batch_on = FALSE; + + recv_sys->last_block_buf_start = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); + + recv_sys->last_block = ut_align(recv_sys->last_block_buf_start, + OS_FILE_LOG_BLOCK_SIZE); + recv_sys->found_corrupt_log = FALSE; + + recv_max_page_lsn = 0; + + mutex_exit(&(recv_sys->mutex)); +} + +/********************************************************//** +Empties the hash table when it has been fully processed. */ +static +void +recv_sys_empty_hash(void) +/*=====================*/ +{ + ut_ad(mutex_own(&(recv_sys->mutex))); + + if (recv_sys->n_addrs != 0) { + fprintf(stderr, + "InnoDB: Error: %lu pages with log records" + " were left unprocessed!\n" + "InnoDB: Maximum page number with" + " log records on it %lu\n", + (ulong) recv_sys->n_addrs, + (ulong) recv_max_parsed_page_no); + ut_error; + } + + hash_table_free(recv_sys->addr_hash); + mem_heap_empty(recv_sys->heap); + + recv_sys->addr_hash = hash_create(buf_pool_get_curr_size() / 256); +} + +#ifndef UNIV_HOTBACKUP +# ifndef UNIV_LOG_DEBUG +/********************************************************//** +Frees the recovery system. */ +static +void +recv_sys_debug_free(void) +/*=====================*/ +{ + mutex_enter(&(recv_sys->mutex)); + + hash_table_free(recv_sys->addr_hash); + mem_heap_free(recv_sys->heap); + ut_free(recv_sys->buf); + mem_free(recv_sys->last_block_buf_start); + + recv_sys->buf = NULL; + recv_sys->heap = NULL; + recv_sys->addr_hash = NULL; + recv_sys->last_block_buf_start = NULL; + + mutex_exit(&(recv_sys->mutex)); + + /* Free up the flush_rbt. */ + buf_flush_free_flush_rbt(); +} +# endif /* UNIV_LOG_DEBUG */ + +/********************************************************//** +Truncates possible corrupted or extra records from a log group. */ +static +void +recv_truncate_group( +/*================*/ + log_group_t* group, /*!< in: log group */ + ib_uint64_t recovered_lsn, /*!< in: recovery succeeded up to this + lsn */ + ib_uint64_t limit_lsn, /*!< in: this was the limit for + recovery */ + ib_uint64_t checkpoint_lsn, /*!< in: recovery was started from this + checkpoint */ + ib_uint64_t archived_lsn) /*!< in: the log has been archived up to + this lsn */ +{ + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + ib_uint64_t finish_lsn1; + ib_uint64_t finish_lsn2; + ib_uint64_t finish_lsn; + ulint len; + ulint i; + + if (archived_lsn == IB_ULONGLONG_MAX) { + /* Checkpoint was taken in the NOARCHIVELOG mode */ + archived_lsn = checkpoint_lsn; + } + + finish_lsn1 = ut_uint64_align_down(archived_lsn, + OS_FILE_LOG_BLOCK_SIZE) + + log_group_get_capacity(group); + + finish_lsn2 = ut_uint64_align_up(recovered_lsn, + OS_FILE_LOG_BLOCK_SIZE) + + recv_sys->last_log_buf_size; + + if (limit_lsn != IB_ULONGLONG_MAX) { + /* We do not know how far we should erase log records: erase + as much as possible */ + + finish_lsn = finish_lsn1; + } else { + /* It is enough to erase the length of the log buffer */ + finish_lsn = finish_lsn1 < finish_lsn2 + ? finish_lsn1 : finish_lsn2; + } + + ut_a(RECV_SCAN_SIZE <= log_sys->buf_size); + + /* Write the log buffer full of zeros */ + for (i = 0; i < RECV_SCAN_SIZE; i++) { + + *(log_sys->buf + i) = '\0'; + } + + start_lsn = ut_uint64_align_down(recovered_lsn, + OS_FILE_LOG_BLOCK_SIZE); + + if (start_lsn != recovered_lsn) { + /* Copy the last incomplete log block to the log buffer and + edit its data length: */ + + ut_memcpy(log_sys->buf, recv_sys->last_block, + OS_FILE_LOG_BLOCK_SIZE); + log_block_set_data_len(log_sys->buf, + (ulint) (recovered_lsn - start_lsn)); + } + + if (start_lsn >= finish_lsn) { + + return; + } + + for (;;) { + end_lsn = start_lsn + RECV_SCAN_SIZE; + + if (end_lsn > finish_lsn) { + + end_lsn = finish_lsn; + } + + len = (ulint) (end_lsn - start_lsn); + + log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); + if (end_lsn >= finish_lsn) { + + return; + } + + /* Write the log buffer full of zeros */ + for (i = 0; i < RECV_SCAN_SIZE; i++) { + + *(log_sys->buf + i) = '\0'; + } + + start_lsn = end_lsn; + } +} + +/********************************************************//** +Copies the log segment between group->recovered_lsn and recovered_lsn from the +most up-to-date log group to group, so that it contains the latest log data. */ +static +void +recv_copy_group( +/*============*/ + log_group_t* up_to_date_group, /*!< in: the most up-to-date log + group */ + log_group_t* group, /*!< in: copy to this log + group */ + ib_uint64_t recovered_lsn) /*!< in: recovery succeeded up + to this lsn */ +{ + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + ulint len; + + if (group->scanned_lsn >= recovered_lsn) { + + return; + } + + ut_a(RECV_SCAN_SIZE <= log_sys->buf_size); + + start_lsn = ut_uint64_align_down(group->scanned_lsn, + OS_FILE_LOG_BLOCK_SIZE); + for (;;) { + end_lsn = start_lsn + RECV_SCAN_SIZE; + + if (end_lsn > recovered_lsn) { + end_lsn = ut_uint64_align_up(recovered_lsn, + OS_FILE_LOG_BLOCK_SIZE); + } + + log_group_read_log_seg(LOG_RECOVER, log_sys->buf, + up_to_date_group, start_lsn, end_lsn); + + len = (ulint) (end_lsn - start_lsn); + + log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); + + if (end_lsn >= recovered_lsn) { + + return; + } + + start_lsn = end_lsn; + } +} + +/********************************************************//** +Copies a log segment from the most up-to-date log group to the other log +groups, so that they all contain the latest log data. Also writes the info +about the latest checkpoint to the groups, and inits the fields in the group +memory structs to up-to-date values. */ +static +void +recv_synchronize_groups( +/*====================*/ + log_group_t* up_to_date_group) /*!< in: the most up-to-date + log group */ +{ + log_group_t* group; + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + ib_uint64_t recovered_lsn; + ib_uint64_t limit_lsn; + + recovered_lsn = recv_sys->recovered_lsn; + limit_lsn = recv_sys->limit_lsn; + + /* Read the last recovered log block to the recovery system buffer: + the block is always incomplete */ + + start_lsn = ut_uint64_align_down(recovered_lsn, + OS_FILE_LOG_BLOCK_SIZE); + end_lsn = ut_uint64_align_up(recovered_lsn, OS_FILE_LOG_BLOCK_SIZE); + + ut_a(start_lsn != end_lsn); + + log_group_read_log_seg(LOG_RECOVER, recv_sys->last_block, + up_to_date_group, start_lsn, end_lsn); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group) { + if (group != up_to_date_group) { + + /* Copy log data if needed */ + + recv_copy_group(group, up_to_date_group, + recovered_lsn); + } + + /* Update the fields in the group struct to correspond to + recovered_lsn */ + + log_group_set_fields(group, recovered_lsn); + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + /* Copy the checkpoint info to the groups; remember that we have + incremented checkpoint_no by one, and the info will not be written + over the max checkpoint info, thus making the preservation of max + checkpoint info on disk certain */ + + log_groups_write_checkpoint_info(); + + mutex_exit(&(log_sys->mutex)); + + /* Wait for the checkpoint write to complete */ + rw_lock_s_lock(&(log_sys->checkpoint_lock)); + rw_lock_s_unlock(&(log_sys->checkpoint_lock)); + + mutex_enter(&(log_sys->mutex)); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************************//** +Checks the consistency of the checkpoint info +@return TRUE if ok */ +static +ibool +recv_check_cp_is_consistent( +/*========================*/ + const byte* buf) /*!< in: buffer containing checkpoint info */ +{ + ulint fold; + + fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); + + if ((fold & 0xFFFFFFFFUL) != mach_read_from_4( + buf + LOG_CHECKPOINT_CHECKSUM_1)) { + return(FALSE); + } + + fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, + LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); + + if ((fold & 0xFFFFFFFFUL) != mach_read_from_4( + buf + LOG_CHECKPOINT_CHECKSUM_2)) { + return(FALSE); + } + + return(TRUE); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Looks for the maximum consistent checkpoint from the log groups. +@return error code or DB_SUCCESS */ +static +ulint +recv_find_max_checkpoint( +/*=====================*/ + log_group_t** max_group, /*!< out: max group */ + ulint* max_field) /*!< out: LOG_CHECKPOINT_1 or + LOG_CHECKPOINT_2 */ +{ + log_group_t* group; + ib_uint64_t max_no; + ib_uint64_t checkpoint_no; + ulint field; + byte* buf; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + max_no = 0; + *max_group = NULL; + *max_field = 0; + + buf = log_sys->checkpoint_buf; + + while (group) { + group->state = LOG_GROUP_CORRUPTED; + + for (field = LOG_CHECKPOINT_1; field <= LOG_CHECKPOINT_2; + field += LOG_CHECKPOINT_2 - LOG_CHECKPOINT_1) { + + log_group_read_checkpoint_info(group, field); + + if (!recv_check_cp_is_consistent(buf)) { +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Checkpoint in group" + " %lu at %lu invalid, %lu\n", + (ulong) group->id, + (ulong) field, + (ulong) mach_read_from_4( + buf + + LOG_CHECKPOINT_CHECKSUM_1)); + + } +#endif /* UNIV_DEBUG */ + goto not_consistent; + } + + group->state = LOG_GROUP_OK; + + group->lsn = mach_read_ull( + buf + LOG_CHECKPOINT_LSN); + group->lsn_offset = mach_read_from_4( + buf + LOG_CHECKPOINT_OFFSET); + checkpoint_no = mach_read_ull( + buf + LOG_CHECKPOINT_NO); + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Checkpoint number %lu" + " found in group %lu\n", + (ulong) checkpoint_no, + (ulong) group->id); + } +#endif /* UNIV_DEBUG */ + + if (checkpoint_no >= max_no) { + *max_group = group; + *max_field = field; + max_no = checkpoint_no; + } + +not_consistent: + ; + } + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + if (*max_group == NULL) { + + fprintf(stderr, + "InnoDB: No valid checkpoint found.\n" + "InnoDB: If this error appears when you are" + " creating an InnoDB database,\n" + "InnoDB: the problem may be that during" + " an earlier attempt you managed\n" + "InnoDB: to create the InnoDB data files," + " but log file creation failed.\n" + "InnoDB: If that is the case, please refer to\n" + "InnoDB: " REFMAN "error-creating-innodb.html\n"); + return(DB_ERROR); + } + + return(DB_SUCCESS); +} +#else /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Reads the checkpoint info needed in hot backup. +@return TRUE if success */ +UNIV_INTERN +ibool +recv_read_cp_info_for_backup( +/*=========================*/ + const byte* hdr, /*!< in: buffer containing the log group + header */ + ib_uint64_t* lsn, /*!< out: checkpoint lsn */ + ulint* offset, /*!< out: checkpoint offset in the log group */ + ulint* fsp_limit,/*!< out: fsp limit of space 0, + 1000000000 if the database is running + with < version 3.23.50 of InnoDB */ + ib_uint64_t* cp_no, /*!< out: checkpoint number */ + ib_uint64_t* first_header_lsn) + /*!< out: lsn of of the start of the + first log file */ +{ + ulint max_cp = 0; + ib_uint64_t max_cp_no = 0; + const byte* cp_buf; + + cp_buf = hdr + LOG_CHECKPOINT_1; + + if (recv_check_cp_is_consistent(cp_buf)) { + max_cp_no = mach_read_ull(cp_buf + LOG_CHECKPOINT_NO); + max_cp = LOG_CHECKPOINT_1; + } + + cp_buf = hdr + LOG_CHECKPOINT_2; + + if (recv_check_cp_is_consistent(cp_buf)) { + if (mach_read_ull(cp_buf + LOG_CHECKPOINT_NO) > max_cp_no) { + max_cp = LOG_CHECKPOINT_2; + } + } + + if (max_cp == 0) { + return(FALSE); + } + + cp_buf = hdr + max_cp; + + *lsn = mach_read_ull(cp_buf + LOG_CHECKPOINT_LSN); + *offset = mach_read_from_4(cp_buf + LOG_CHECKPOINT_OFFSET); + + /* If the user is running a pre-3.23.50 version of InnoDB, its + checkpoint data does not contain the fsp limit info */ + if (mach_read_from_4(cp_buf + LOG_CHECKPOINT_FSP_MAGIC_N) + == LOG_CHECKPOINT_FSP_MAGIC_N_VAL) { + + *fsp_limit = mach_read_from_4( + cp_buf + LOG_CHECKPOINT_FSP_FREE_LIMIT); + + if (*fsp_limit == 0) { + *fsp_limit = 1000000000; + } + } else { + *fsp_limit = 1000000000; + } + + /* fprintf(stderr, "fsp limit %lu MB\n", *fsp_limit); */ + + *cp_no = mach_read_ull(cp_buf + LOG_CHECKPOINT_NO); + + *first_header_lsn = mach_read_ull(hdr + LOG_FILE_START_LSN); + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ + +/******************************************************//** +Checks the 4-byte checksum to the trailer checksum field of a log +block. We also accept a log block in the old format before +InnoDB-3.23.52 where the checksum field contains the log block number. +@return TRUE if ok, or if the log block may be in the format of InnoDB +version predating 3.23.52 */ +static +ibool +log_block_checksum_is_ok_or_old_format( +/*===================================*/ + const byte* block) /*!< in: pointer to a log block */ +{ +#ifdef UNIV_LOG_DEBUG + return(TRUE); +#endif /* UNIV_LOG_DEBUG */ + if (log_block_calc_checksum(block) == log_block_get_checksum(block)) { + + return(TRUE); + } + + if (log_block_get_hdr_no(block) == log_block_get_checksum(block)) { + + /* We assume the log block is in the format of + InnoDB version < 3.23.52 and the block is ok */ +#if 0 + fprintf(stderr, + "InnoDB: Scanned old format < InnoDB-3.23.52" + " log block number %lu\n", + log_block_get_hdr_no(block)); +#endif + return(TRUE); + } + + return(FALSE); +} + +#ifdef UNIV_HOTBACKUP +/*******************************************************************//** +Scans the log segment and n_bytes_scanned is set to the length of valid +log scanned. */ +UNIV_INTERN +void +recv_scan_log_seg_for_backup( +/*=========================*/ + byte* buf, /*!< in: buffer containing log data */ + ulint buf_len, /*!< in: data length in that buffer */ + ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, + we return scanned lsn */ + ulint* scanned_checkpoint_no, + /*!< in/out: 4 lowest bytes of the + highest scanned checkpoint number so + far */ + ulint* n_bytes_scanned)/*!< out: how much we were able to + scan, smaller than buf_len if log + data ended here */ +{ + ulint data_len; + byte* log_block; + ulint no; + + *n_bytes_scanned = 0; + + for (log_block = buf; log_block < buf + buf_len; + log_block += OS_FILE_LOG_BLOCK_SIZE) { + + no = log_block_get_hdr_no(log_block); + +#if 0 + fprintf(stderr, "Log block header no %lu\n", no); +#endif + + if (no != log_block_convert_lsn_to_no(*scanned_lsn) + || !log_block_checksum_is_ok_or_old_format(log_block)) { +#if 0 + fprintf(stderr, + "Log block n:o %lu, scanned lsn n:o %lu\n", + no, log_block_convert_lsn_to_no(*scanned_lsn)); +#endif + /* Garbage or an incompletely written log block */ + + log_block += OS_FILE_LOG_BLOCK_SIZE; +#if 0 + fprintf(stderr, + "Next log block n:o %lu\n", + log_block_get_hdr_no(log_block)); +#endif + break; + } + + if (*scanned_checkpoint_no > 0 + && log_block_get_checkpoint_no(log_block) + < *scanned_checkpoint_no + && *scanned_checkpoint_no + - log_block_get_checkpoint_no(log_block) + > 0x80000000UL) { + + /* Garbage from a log buffer flush which was made + before the most recent database recovery */ +#if 0 + fprintf(stderr, + "Scanned cp n:o %lu, block cp n:o %lu\n", + *scanned_checkpoint_no, + log_block_get_checkpoint_no(log_block)); +#endif + break; + } + + data_len = log_block_get_data_len(log_block); + + *scanned_checkpoint_no + = log_block_get_checkpoint_no(log_block); + *scanned_lsn += data_len; + + *n_bytes_scanned += data_len; + + if (data_len < OS_FILE_LOG_BLOCK_SIZE) { + /* Log data ends here */ + +#if 0 + fprintf(stderr, "Log block data len %lu\n", + data_len); +#endif + break; + } + } +} +#endif /* UNIV_HOTBACKUP */ + +/*******************************************************************//** +Tries to parse a single log record body and also applies it to a page if +specified. File ops are parsed, but not applied in this function. +@return log record end, NULL if not a complete record */ +static +byte* +recv_parse_or_apply_log_rec_body( +/*=============================*/ + byte type, /*!< in: type */ + byte* ptr, /*!< in: pointer to a buffer */ + byte* end_ptr,/*!< in: pointer to the buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL; if + not NULL, then the log record is + applied to the page, and the log + record should be complete then */ + mtr_t* mtr) /*!< in: mtr or NULL; should be non-NULL + if and only if block is non-NULL */ +{ + dict_index_t* index = NULL; + page_t* page; + page_zip_des_t* page_zip; +#ifdef UNIV_DEBUG + ulint page_type; +#endif /* UNIV_DEBUG */ + + ut_ad(!block == !mtr); + + if (block) { + page = block->frame; + page_zip = buf_block_get_page_zip(block); + ut_d(page_type = fil_page_get_type(page)); + } else { + page = NULL; + page_zip = NULL; + ut_d(page_type = FIL_PAGE_TYPE_ALLOCATED); + } + + switch (type) { +#ifdef UNIV_LOG_LSN_DEBUG + case MLOG_LSN: + /* The LSN is checked in recv_parse_log_rec(). */ + break; +#endif /* UNIV_LOG_LSN_DEBUG */ + case MLOG_1BYTE: case MLOG_2BYTES: case MLOG_4BYTES: case MLOG_8BYTES: +#ifdef UNIV_DEBUG + if (page && page_type == FIL_PAGE_TYPE_ALLOCATED + && end_ptr >= ptr + 2) { + /* It is OK to set FIL_PAGE_TYPE and certain + list node fields on an empty page. Any other + write is not OK. */ + + /* NOTE: There may be bogus assertion failures for + dict_hdr_create(), trx_rseg_header_create(), + trx_sys_create_doublewrite_buf(), and + trx_sysf_create(). + These are only called during database creation. */ + ulint offs = mach_read_from_2(ptr); + + switch (type) { + default: + ut_error; + case MLOG_2BYTES: + /* Note that this can fail when the + redo log been written with something + older than InnoDB Plugin 1.0.4. */ + ut_ad(offs == FIL_PAGE_TYPE + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_BYTE + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_BYTE + + FIL_ADDR_SIZE + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_OFFSET + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_BYTE + + 0 /*FLST_PREV*/ + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_BYTE + + FIL_ADDR_SIZE /*FLST_NEXT*/); + break; + case MLOG_4BYTES: + /* Note that this can fail when the + redo log been written with something + older than InnoDB Plugin 1.0.4. */ + ut_ad(0 + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_SPACE + || offs == IBUF_TREE_SEG_HEADER + + IBUF_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER/* flst_init */ + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_PAGE + || offs == PAGE_BTR_IBUF_FREE_LIST + + PAGE_HEADER + FIL_ADDR_PAGE + + FIL_ADDR_SIZE + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_SEG_LEAF + + PAGE_HEADER + FSEG_HDR_SPACE + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_PAGE_NO + || offs == PAGE_BTR_SEG_TOP + + PAGE_HEADER + FSEG_HDR_SPACE + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_PAGE + + 0 /*FLST_PREV*/ + || offs == PAGE_BTR_IBUF_FREE_LIST_NODE + + PAGE_HEADER + FIL_ADDR_PAGE + + FIL_ADDR_SIZE /*FLST_NEXT*/); + break; + } + } +#endif /* UNIV_DEBUG */ + ptr = mlog_parse_nbytes(type, ptr, end_ptr, page, page_zip); + break; + case MLOG_REC_INSERT: case MLOG_COMP_REC_INSERT: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_REC_INSERT, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = page_cur_parse_insert_rec(FALSE, ptr, end_ptr, + block, index, mtr); + } + break; + case MLOG_REC_CLUST_DELETE_MARK: case MLOG_COMP_REC_CLUST_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_REC_CLUST_DELETE_MARK, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = btr_cur_parse_del_mark_set_clust_rec( + ptr, end_ptr, page, page_zip, index); + } + break; + case MLOG_COMP_REC_SEC_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + /* This log record type is obsolete, but we process it for + backward compatibility with MySQL 5.0.3 and 5.0.4. */ + ut_a(!page || page_is_comp(page)); + ut_a(!page_zip); + ptr = mlog_parse_index(ptr, end_ptr, TRUE, &index); + if (!ptr) { + break; + } + /* Fall through */ + case MLOG_REC_SEC_DELETE_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + ptr = btr_cur_parse_del_mark_set_sec_rec(ptr, end_ptr, + page, page_zip); + break; + case MLOG_REC_UPDATE_IN_PLACE: case MLOG_COMP_REC_UPDATE_IN_PLACE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_REC_UPDATE_IN_PLACE, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = btr_cur_parse_update_in_place(ptr, end_ptr, page, + page_zip, index); + } + break; + case MLOG_LIST_END_DELETE: case MLOG_COMP_LIST_END_DELETE: + case MLOG_LIST_START_DELETE: case MLOG_COMP_LIST_START_DELETE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_LIST_END_DELETE + || type == MLOG_COMP_LIST_START_DELETE, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = page_parse_delete_rec_list(type, ptr, end_ptr, + block, index, mtr); + } + break; + case MLOG_LIST_END_COPY_CREATED: case MLOG_COMP_LIST_END_COPY_CREATED: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_LIST_END_COPY_CREATED, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = page_parse_copy_rec_list_to_created_page( + ptr, end_ptr, block, index, mtr); + } + break; + case MLOG_PAGE_REORGANIZE: case MLOG_COMP_PAGE_REORGANIZE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_PAGE_REORGANIZE, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = btr_parse_page_reorganize(ptr, end_ptr, index, + block, mtr); + } + break; + case MLOG_PAGE_CREATE: case MLOG_COMP_PAGE_CREATE: + /* Allow anything in page_type when creating a page. */ + ut_a(!page_zip); + ptr = page_parse_create(ptr, end_ptr, + type == MLOG_COMP_PAGE_CREATE, + block, mtr); + break; + case MLOG_UNDO_INSERT: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); + ptr = trx_undo_parse_add_undo_rec(ptr, end_ptr, page); + break; + case MLOG_UNDO_ERASE_END: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); + ptr = trx_undo_parse_erase_page_end(ptr, end_ptr, page, mtr); + break; + case MLOG_UNDO_INIT: + /* Allow anything in page_type when creating a page. */ + ptr = trx_undo_parse_page_init(ptr, end_ptr, page, mtr); + break; + case MLOG_UNDO_HDR_DISCARD: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); + ptr = trx_undo_parse_discard_latest(ptr, end_ptr, page, mtr); + break; + case MLOG_UNDO_HDR_CREATE: + case MLOG_UNDO_HDR_REUSE: + ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); + ptr = trx_undo_parse_page_header(type, ptr, end_ptr, + page, mtr); + break; + case MLOG_REC_MIN_MARK: case MLOG_COMP_REC_MIN_MARK: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + /* On a compressed page, MLOG_COMP_REC_MIN_MARK + will be followed by MLOG_COMP_REC_DELETE + or MLOG_ZIP_WRITE_HEADER(FIL_PAGE_PREV, FIL_NULL) + in the same mini-transaction. */ + ut_a(type == MLOG_COMP_REC_MIN_MARK || !page_zip); + ptr = btr_parse_set_min_rec_mark( + ptr, end_ptr, type == MLOG_COMP_REC_MIN_MARK, + page, mtr); + break; + case MLOG_REC_DELETE: case MLOG_COMP_REC_DELETE: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + + if (NULL != (ptr = mlog_parse_index( + ptr, end_ptr, + type == MLOG_COMP_REC_DELETE, + &index))) { + ut_a(!page + || (ibool)!!page_is_comp(page) + == dict_table_is_comp(index->table)); + ptr = page_cur_parse_delete_rec(ptr, end_ptr, + block, index, mtr); + } + break; + case MLOG_IBUF_BITMAP_INIT: + /* Allow anything in page_type when creating a page. */ + ptr = ibuf_parse_bitmap_init(ptr, end_ptr, block, mtr); + break; + case MLOG_INIT_FILE_PAGE: + /* Allow anything in page_type when creating a page. */ + ptr = fsp_parse_init_file_page(ptr, end_ptr, block); + break; + case MLOG_WRITE_STRING: + ut_ad(!page || page_type != FIL_PAGE_TYPE_ALLOCATED); + ptr = mlog_parse_string(ptr, end_ptr, page, page_zip); + break; + case MLOG_FILE_CREATE: + case MLOG_FILE_RENAME: + case MLOG_FILE_DELETE: + case MLOG_FILE_CREATE2: + ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0, 0); + break; + case MLOG_ZIP_WRITE_NODE_PTR: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + ptr = page_zip_parse_write_node_ptr(ptr, end_ptr, + page, page_zip); + break; + case MLOG_ZIP_WRITE_BLOB_PTR: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + ptr = page_zip_parse_write_blob_ptr(ptr, end_ptr, + page, page_zip); + break; + case MLOG_ZIP_WRITE_HEADER: + ut_ad(!page || page_type == FIL_PAGE_INDEX); + ptr = page_zip_parse_write_header(ptr, end_ptr, + page, page_zip); + break; + case MLOG_ZIP_PAGE_COMPRESS: + /* Allow anything in page_type when creating a page. */ + ptr = page_zip_parse_compress(ptr, end_ptr, + page, page_zip); + break; + default: + ptr = NULL; + recv_sys->found_corrupt_log = TRUE; + } + + if (index) { + dict_table_t* table = index->table; + + dict_mem_index_free(index); + dict_mem_table_free(table); + } + + return(ptr); +} + +/*********************************************************************//** +Calculates the fold value of a page file address: used in inserting or +searching for a log record in the hash table. +@return folded value */ +UNIV_INLINE +ulint +recv_fold( +/*======*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + return(ut_fold_ulint_pair(space, page_no)); +} + +/*********************************************************************//** +Calculates the hash value of a page file address: used in inserting or +searching for a log record in the hash table. +@return folded value */ +UNIV_INLINE +ulint +recv_hash( +/*======*/ + ulint space, /*!< in: space */ + ulint page_no)/*!< in: page number */ +{ + return(hash_calc_hash(recv_fold(space, page_no), recv_sys->addr_hash)); +} + +/*********************************************************************//** +Gets the hashed file address struct for a page. +@return file address struct, NULL if not found from the hash table */ +static +recv_addr_t* +recv_get_fil_addr_struct( +/*=====================*/ + ulint space, /*!< in: space id */ + ulint page_no)/*!< in: page number */ +{ + recv_addr_t* recv_addr; + + recv_addr = HASH_GET_FIRST(recv_sys->addr_hash, + recv_hash(space, page_no)); + while (recv_addr) { + if ((recv_addr->space == space) + && (recv_addr->page_no == page_no)) { + + break; + } + + recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); + } + + return(recv_addr); +} + +/*******************************************************************//** +Adds a new log record to the hash table of log records. */ +static +void +recv_add_to_hash_table( +/*===================*/ + byte type, /*!< in: log record type */ + ulint space, /*!< in: space id */ + ulint page_no, /*!< in: page number */ + byte* body, /*!< in: log record body */ + byte* rec_end, /*!< in: log record end */ + ib_uint64_t start_lsn, /*!< in: start lsn of the mtr */ + ib_uint64_t end_lsn) /*!< in: end lsn of the mtr */ +{ + recv_t* recv; + ulint len; + recv_data_t* recv_data; + recv_data_t** prev_field; + recv_addr_t* recv_addr; + + if (fil_tablespace_deleted_or_being_deleted_in_mem(space, -1)) { + /* The tablespace does not exist any more: do not store the + log record */ + + return; + } + + len = rec_end - body; + + recv = mem_heap_alloc(recv_sys->heap, sizeof(recv_t)); + recv->type = type; + recv->len = rec_end - body; + recv->start_lsn = start_lsn; + recv->end_lsn = end_lsn; + + recv_addr = recv_get_fil_addr_struct(space, page_no); + + if (recv_addr == NULL) { + recv_addr = mem_heap_alloc(recv_sys->heap, + sizeof(recv_addr_t)); + recv_addr->space = space; + recv_addr->page_no = page_no; + recv_addr->state = RECV_NOT_PROCESSED; + + UT_LIST_INIT(recv_addr->rec_list); + + HASH_INSERT(recv_addr_t, addr_hash, recv_sys->addr_hash, + recv_fold(space, page_no), recv_addr); + recv_sys->n_addrs++; +#if 0 + fprintf(stderr, "Inserting log rec for space %lu, page %lu\n", + space, page_no); +#endif + } + + UT_LIST_ADD_LAST(rec_list, recv_addr->rec_list, recv); + + prev_field = &(recv->data); + + /* Store the log record body in chunks of less than UNIV_PAGE_SIZE: + recv_sys->heap grows into the buffer pool, and bigger chunks could not + be allocated */ + + while (rec_end > body) { + + len = rec_end - body; + + if (len > RECV_DATA_BLOCK_SIZE) { + len = RECV_DATA_BLOCK_SIZE; + } + + recv_data = mem_heap_alloc(recv_sys->heap, + sizeof(recv_data_t) + len); + *prev_field = recv_data; + + memcpy(recv_data + 1, body, len); + + prev_field = &(recv_data->next); + + body += len; + } + + *prev_field = NULL; +} + +/*********************************************************************//** +Copies the log record body from recv to buf. */ +static +void +recv_data_copy_to_buf( +/*==================*/ + byte* buf, /*!< in: buffer of length at least recv->len */ + recv_t* recv) /*!< in: log record */ +{ + recv_data_t* recv_data; + ulint part_len; + ulint len; + + len = recv->len; + recv_data = recv->data; + + while (len > 0) { + if (len > RECV_DATA_BLOCK_SIZE) { + part_len = RECV_DATA_BLOCK_SIZE; + } else { + part_len = len; + } + + ut_memcpy(buf, ((byte*)recv_data) + sizeof(recv_data_t), + part_len); + buf += part_len; + len -= part_len; + + recv_data = recv_data->next; + } +} + +/************************************************************************//** +Applies the hashed log records to the page, if the page lsn is less than the +lsn of a log record. This can be called when a buffer page has just been +read in, or also for a page already in the buffer pool. */ +UNIV_INTERN +void +recv_recover_page_func( +/*===================*/ +#ifndef UNIV_HOTBACKUP + ibool just_read_in, + /*!< in: TRUE if the i/o handler calls + this for a freshly read page */ +#endif /* !UNIV_HOTBACKUP */ + buf_block_t* block) /*!< in/out: buffer block */ +{ + page_t* page; + page_zip_des_t* page_zip; + recv_addr_t* recv_addr; + recv_t* recv; + byte* buf; + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + ib_uint64_t page_lsn; + ib_uint64_t page_newest_lsn; + ibool modification_to_page; +#ifndef UNIV_HOTBACKUP + ibool success; +#endif /* !UNIV_HOTBACKUP */ + mtr_t mtr; + + mutex_enter(&(recv_sys->mutex)); + + if (recv_sys->apply_log_recs == FALSE) { + + /* Log records should not be applied now */ + + mutex_exit(&(recv_sys->mutex)); + + return; + } + + recv_addr = recv_get_fil_addr_struct(buf_block_get_space(block), + buf_block_get_page_no(block)); + + if ((recv_addr == NULL) + || (recv_addr->state == RECV_BEING_PROCESSED) + || (recv_addr->state == RECV_PROCESSED)) { + + mutex_exit(&(recv_sys->mutex)); + + return; + } + +#if 0 + fprintf(stderr, "Recovering space %lu, page %lu\n", + buf_block_get_space(block), buf_block_get_page_no(block)); +#endif + + recv_addr->state = RECV_BEING_PROCESSED; + + mutex_exit(&(recv_sys->mutex)); + + mtr_start(&mtr); + mtr_set_log_mode(&mtr, MTR_LOG_NONE); + + page = block->frame; + page_zip = buf_block_get_page_zip(block); + +#ifndef UNIV_HOTBACKUP + if (just_read_in) { + /* Move the ownership of the x-latch on the page to + this OS thread, so that we can acquire a second + x-latch on it. This is needed for the operations to + the page to pass the debug checks. */ + + rw_lock_x_lock_move_ownership(&block->lock); + } + + success = buf_page_get_known_nowait(RW_X_LATCH, block, + BUF_KEEP_OLD, + __FILE__, __LINE__, + &mtr); + ut_a(success); + + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); +#endif /* !UNIV_HOTBACKUP */ + + /* Read the newest modification lsn from the page */ + page_lsn = mach_read_ull(page + FIL_PAGE_LSN); + +#ifndef UNIV_HOTBACKUP + /* It may be that the page has been modified in the buffer + pool: read the newest modification lsn there */ + + page_newest_lsn = buf_page_get_newest_modification(&block->page); + + if (page_newest_lsn) { + + page_lsn = page_newest_lsn; + } +#else /* !UNIV_HOTBACKUP */ + /* In recovery from a backup we do not really use the buffer pool */ + page_newest_lsn = 0; +#endif /* !UNIV_HOTBACKUP */ + + modification_to_page = FALSE; + start_lsn = end_lsn = 0; + + recv = UT_LIST_GET_FIRST(recv_addr->rec_list); + + while (recv) { + end_lsn = recv->end_lsn; + + if (recv->len > RECV_DATA_BLOCK_SIZE) { + /* We have to copy the record body to a separate + buffer */ + + buf = mem_alloc(recv->len); + + recv_data_copy_to_buf(buf, recv); + } else { + buf = ((byte*)(recv->data)) + sizeof(recv_data_t); + } + + if (recv->type == MLOG_INIT_FILE_PAGE) { + page_lsn = page_newest_lsn; + + memset(FIL_PAGE_LSN + page, 0, 8); + memset(UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM + + page, 0, 8); + + if (page_zip) { + memset(FIL_PAGE_LSN + page_zip->data, 0, 8); + } + } + + if (recv->start_lsn >= page_lsn) { + + ib_uint64_t end_lsn; + + if (!modification_to_page) { + + modification_to_page = TRUE; + start_lsn = recv->start_lsn; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Applying log rec" + " type %lu len %lu" + " to space %lu page no %lu\n", + (ulong) recv->type, (ulong) recv->len, + (ulong) recv_addr->space, + (ulong) recv_addr->page_no); + } +#endif /* UNIV_DEBUG */ + + recv_parse_or_apply_log_rec_body(recv->type, buf, + buf + recv->len, + block, &mtr); + + end_lsn = recv->start_lsn + recv->len; + mach_write_ull(FIL_PAGE_LSN + page, end_lsn); + mach_write_ull(UNIV_PAGE_SIZE + - FIL_PAGE_END_LSN_OLD_CHKSUM + + page, end_lsn); + + if (page_zip) { + mach_write_ull(FIL_PAGE_LSN + + page_zip->data, end_lsn); + } + } + + if (recv->len > RECV_DATA_BLOCK_SIZE) { + mem_free(buf); + } + + recv = UT_LIST_GET_NEXT(rec_list, recv); + } + +#ifdef UNIV_ZIP_DEBUG + if (fil_page_get_type(page) == FIL_PAGE_INDEX) { + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + + if (page_zip) { + ut_a(page_zip_validate_low(page_zip, page, FALSE)); + } + } +#endif /* UNIV_ZIP_DEBUG */ + + mutex_enter(&(recv_sys->mutex)); + + if (recv_max_page_lsn < page_lsn) { + recv_max_page_lsn = page_lsn; + } + + recv_addr->state = RECV_PROCESSED; + + ut_a(recv_sys->n_addrs); + recv_sys->n_addrs--; + + mutex_exit(&(recv_sys->mutex)); + +#ifndef UNIV_HOTBACKUP + if (modification_to_page) { + ut_a(block); + + buf_flush_recv_note_modification(block, start_lsn, end_lsn); + } +#endif /* !UNIV_HOTBACKUP */ + + /* Make sure that committing mtr does not change the modification + lsn values of page */ + + mtr.modifications = FALSE; + + mtr_commit(&mtr); +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************************//** +Reads in pages which have hashed log records, from an area around a given +page number. +@return number of pages found */ +static +ulint +recv_read_in_area( +/*==============*/ + ulint space, /*!< in: space */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no)/*!< in: page number */ +{ + recv_addr_t* recv_addr; + ulint page_nos[RECV_READ_AHEAD_AREA]; + ulint low_limit; + ulint n; + + low_limit = page_no - (page_no % RECV_READ_AHEAD_AREA); + + n = 0; + + for (page_no = low_limit; page_no < low_limit + RECV_READ_AHEAD_AREA; + page_no++) { + recv_addr = recv_get_fil_addr_struct(space, page_no); + + if (recv_addr && !buf_page_peek(space, page_no)) { + + mutex_enter(&(recv_sys->mutex)); + + if (recv_addr->state == RECV_NOT_PROCESSED) { + recv_addr->state = RECV_BEING_READ; + + page_nos[n] = page_no; + + n++; + } + + mutex_exit(&(recv_sys->mutex)); + } + } + + buf_read_recv_pages(FALSE, space, zip_size, page_nos, n); + /* + fprintf(stderr, "Recv pages at %lu n %lu\n", page_nos[0], n); + */ + return(n); +} + +/*******************************************************************//** +Empties the hash table of stored log records, applying them to appropriate +pages. */ +UNIV_INTERN +void +recv_apply_hashed_log_recs( +/*=======================*/ + ibool allow_ibuf) /*!< in: if TRUE, also ibuf operations are + allowed during the application; if FALSE, + no ibuf operations are allowed, and after + the application all file pages are flushed to + disk and invalidated in buffer pool: this + alternative means that no new log records + can be generated during the application; + the caller must in this case own the log + mutex */ +{ + recv_addr_t* recv_addr; + ulint i; + ulint n_pages; + ibool has_printed = FALSE; + mtr_t mtr; +loop: + mutex_enter(&(recv_sys->mutex)); + + if (recv_sys->apply_batch_on) { + + mutex_exit(&(recv_sys->mutex)); + + os_thread_sleep(500000); + + goto loop; + } + + ut_ad(!allow_ibuf == mutex_own(&log_sys->mutex)); + + if (!allow_ibuf) { + recv_no_ibuf_operations = TRUE; + } + + recv_sys->apply_log_recs = TRUE; + recv_sys->apply_batch_on = TRUE; + + for (i = 0; i < hash_get_n_cells(recv_sys->addr_hash); i++) { + + recv_addr = HASH_GET_FIRST(recv_sys->addr_hash, i); + + while (recv_addr) { + ulint space = recv_addr->space; + ulint zip_size = fil_space_get_zip_size(space); + ulint page_no = recv_addr->page_no; + + if (recv_addr->state == RECV_NOT_PROCESSED) { + if (!has_printed) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Starting an" + " apply batch of log records" + " to the database...\n" + "InnoDB: Progress in percents: ", + stderr); + has_printed = TRUE; + } + + mutex_exit(&(recv_sys->mutex)); + + if (buf_page_peek(space, page_no)) { + buf_block_t* block; + + mtr_start(&mtr); + + block = buf_page_get( + space, zip_size, page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level( + block, SYNC_NO_ORDER_CHECK); + + recv_recover_page(FALSE, block); + mtr_commit(&mtr); + } else { + recv_read_in_area(space, zip_size, + page_no); + } + + mutex_enter(&(recv_sys->mutex)); + } + + recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); + } + + if (has_printed + && (i * 100) / hash_get_n_cells(recv_sys->addr_hash) + != ((i + 1) * 100) + / hash_get_n_cells(recv_sys->addr_hash)) { + + fprintf(stderr, "%lu ", (ulong) + ((i * 100) + / hash_get_n_cells(recv_sys->addr_hash))); + } + } + + /* Wait until all the pages have been processed */ + + while (recv_sys->n_addrs != 0) { + + mutex_exit(&(recv_sys->mutex)); + + os_thread_sleep(500000); + + mutex_enter(&(recv_sys->mutex)); + } + + if (has_printed) { + + fprintf(stderr, "\n"); + } + + if (!allow_ibuf) { + /* Flush all the file pages to disk and invalidate them in + the buffer pool */ + + ut_d(recv_no_log_write = TRUE); + mutex_exit(&(recv_sys->mutex)); + mutex_exit(&(log_sys->mutex)); + + n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, + IB_ULONGLONG_MAX); + ut_a(n_pages != ULINT_UNDEFINED); + + buf_flush_wait_batch_end(BUF_FLUSH_LIST); + + buf_pool_invalidate(); + + mutex_enter(&(log_sys->mutex)); + mutex_enter(&(recv_sys->mutex)); + ut_d(recv_no_log_write = FALSE); + + recv_no_ibuf_operations = FALSE; + } + + recv_sys->apply_log_recs = FALSE; + recv_sys->apply_batch_on = FALSE; + + recv_sys_empty_hash(); + + if (has_printed) { + fprintf(stderr, "InnoDB: Apply batch completed\n"); + } + + mutex_exit(&(recv_sys->mutex)); +} +#else /* !UNIV_HOTBACKUP */ +/*******************************************************************//** +Applies log records in the hash table to a backup. */ +UNIV_INTERN +void +recv_apply_log_recs_for_backup(void) +/*================================*/ +{ + recv_addr_t* recv_addr; + ulint n_hash_cells; + buf_block_t* block; + ulint actual_size; + ibool success; + ulint error; + ulint i; + + recv_sys->apply_log_recs = TRUE; + recv_sys->apply_batch_on = TRUE; + + block = back_block1; + + fputs("InnoDB: Starting an apply batch of log records" + " to the database...\n" + "InnoDB: Progress in percents: ", stderr); + + n_hash_cells = hash_get_n_cells(recv_sys->addr_hash); + + for (i = 0; i < n_hash_cells; i++) { + /* The address hash table is externally chained */ + recv_addr = hash_get_nth_cell(recv_sys->addr_hash, i)->node; + + while (recv_addr != NULL) { + + ulint zip_size + = fil_space_get_zip_size(recv_addr->space); + + if (zip_size == ULINT_UNDEFINED) { +#if 0 + fprintf(stderr, + "InnoDB: Warning: cannot apply" + " log record to" + " tablespace %lu page %lu,\n" + "InnoDB: because tablespace with" + " that id does not exist.\n", + recv_addr->space, recv_addr->page_no); +#endif + recv_addr->state = RECV_PROCESSED; + + ut_a(recv_sys->n_addrs); + recv_sys->n_addrs--; + + goto skip_this_recv_addr; + } + + /* We simulate a page read made by the buffer pool, to + make sure the recovery apparatus works ok. We must init + the block. */ + + buf_page_init_for_backup_restore( + recv_addr->space, recv_addr->page_no, + zip_size, block); + + /* Extend the tablespace's last file if the page_no + does not fall inside its bounds; we assume the last + file is auto-extending, and ibbackup copied the file + when it still was smaller */ + + success = fil_extend_space_to_desired_size( + &actual_size, + recv_addr->space, recv_addr->page_no + 1); + if (!success) { + fprintf(stderr, + "InnoDB: Fatal error: cannot extend" + " tablespace %lu to hold %lu pages\n", + recv_addr->space, recv_addr->page_no); + + exit(1); + } + + /* Read the page from the tablespace file using the + fil0fil.c routines */ + + if (zip_size) { + error = fil_io(OS_FILE_READ, TRUE, + recv_addr->space, zip_size, + recv_addr->page_no, 0, zip_size, + block->page.zip.data, NULL); + if (error == DB_SUCCESS + && !buf_zip_decompress(block, TRUE)) { + exit(1); + } + } else { + error = fil_io(OS_FILE_READ, TRUE, + recv_addr->space, 0, + recv_addr->page_no, 0, + UNIV_PAGE_SIZE, + block->frame, NULL); + } + + if (error != DB_SUCCESS) { + fprintf(stderr, + "InnoDB: Fatal error: cannot read" + " from tablespace" + " %lu page number %lu\n", + (ulong) recv_addr->space, + (ulong) recv_addr->page_no); + + exit(1); + } + + /* Apply the log records to this page */ + recv_recover_page(FALSE, block); + + /* Write the page back to the tablespace file using the + fil0fil.c routines */ + + buf_flush_init_for_writing( + block->frame, buf_block_get_page_zip(block), + mach_read_ull(block->frame + FIL_PAGE_LSN)); + + if (zip_size) { + error = fil_io(OS_FILE_WRITE, TRUE, + recv_addr->space, zip_size, + recv_addr->page_no, 0, + zip_size, + block->page.zip.data, NULL); + } else { + error = fil_io(OS_FILE_WRITE, TRUE, + recv_addr->space, 0, + recv_addr->page_no, 0, + UNIV_PAGE_SIZE, + block->frame, NULL); + } +skip_this_recv_addr: + recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); + } + + if ((100 * i) / n_hash_cells + != (100 * (i + 1)) / n_hash_cells) { + fprintf(stderr, "%lu ", + (ulong) ((100 * i) / n_hash_cells)); + fflush(stderr); + } + } + + recv_sys_empty_hash(); +} +#endif /* !UNIV_HOTBACKUP */ + +/*******************************************************************//** +Tries to parse a single log record and returns its length. +@return length of the record, or 0 if the record was not complete */ +static +ulint +recv_parse_log_rec( +/*===============*/ + byte* ptr, /*!< in: pointer to a buffer */ + byte* end_ptr,/*!< in: pointer to the buffer end */ + byte* type, /*!< out: type */ + ulint* space, /*!< out: space id */ + ulint* page_no,/*!< out: page number */ + byte** body) /*!< out: log record body start */ +{ + byte* new_ptr; + + *body = NULL; + + if (ptr == end_ptr) { + + return(0); + } + + if (*ptr == MLOG_MULTI_REC_END) { + + *type = *ptr; + + return(1); + } + + if (*ptr == MLOG_DUMMY_RECORD) { + *type = *ptr; + + *space = ULINT_UNDEFINED - 1; /* For debugging */ + + return(1); + } + + new_ptr = mlog_parse_initial_log_record(ptr, end_ptr, type, space, + page_no); + *body = new_ptr; + + if (UNIV_UNLIKELY(!new_ptr)) { + + return(0); + } + +#ifdef UNIV_LOG_LSN_DEBUG + if (*type == MLOG_LSN) { + ib_uint64_t lsn = (ib_uint64_t) *space << 32 | *page_no; +# ifdef UNIV_LOG_DEBUG + ut_a(lsn == log_sys->old_lsn); +# else /* UNIV_LOG_DEBUG */ + ut_a(lsn == recv_sys->recovered_lsn); +# endif /* UNIV_LOG_DEBUG */ + } +#endif /* UNIV_LOG_LSN_DEBUG */ + + new_ptr = recv_parse_or_apply_log_rec_body(*type, new_ptr, end_ptr, + NULL, NULL); + if (UNIV_UNLIKELY(new_ptr == NULL)) { + + return(0); + } + + if (*page_no > recv_max_parsed_page_no) { + recv_max_parsed_page_no = *page_no; + } + + return(new_ptr - ptr); +} + +/*******************************************************//** +Calculates the new value for lsn when more data is added to the log. */ +static +ib_uint64_t +recv_calc_lsn_on_data_add( +/*======================*/ + ib_uint64_t lsn, /*!< in: old lsn */ + ib_uint64_t len) /*!< in: this many bytes of data is + added, log block headers not included */ +{ + ulint frag_len; + ulint lsn_len; + + frag_len = (((ulint) lsn) % OS_FILE_LOG_BLOCK_SIZE) + - LOG_BLOCK_HDR_SIZE; + ut_ad(frag_len < OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE + - LOG_BLOCK_TRL_SIZE); + lsn_len = (ulint) len; + lsn_len += (lsn_len + frag_len) + / (OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE + - LOG_BLOCK_TRL_SIZE) + * (LOG_BLOCK_HDR_SIZE + LOG_BLOCK_TRL_SIZE); + + return(lsn + lsn_len); +} + +#ifdef UNIV_LOG_DEBUG +/*******************************************************//** +Checks that the parser recognizes incomplete initial segments of a log +record as incomplete. */ +static +void +recv_check_incomplete_log_recs( +/*===========================*/ + byte* ptr, /*!< in: pointer to a complete log record */ + ulint len) /*!< in: length of the log record */ +{ + ulint i; + byte type; + ulint space; + ulint page_no; + byte* body; + + for (i = 0; i < len; i++) { + ut_a(0 == recv_parse_log_rec(ptr, ptr + i, &type, &space, + &page_no, &body)); + } +} +#endif /* UNIV_LOG_DEBUG */ + +/*******************************************************//** +Prints diagnostic info of corrupt log. */ +static +void +recv_report_corrupt_log( +/*====================*/ + byte* ptr, /*!< in: pointer to corrupt log record */ + byte type, /*!< in: type of the record */ + ulint space, /*!< in: space id, this may also be garbage */ + ulint page_no)/*!< in: page number, this may also be garbage */ +{ + fprintf(stderr, + "InnoDB: ############### CORRUPT LOG RECORD FOUND\n" + "InnoDB: Log record type %lu, space id %lu, page number %lu\n" + "InnoDB: Log parsing proceeded successfully up to %llu\n" + "InnoDB: Previous log record type %lu, is multi %lu\n" + "InnoDB: Recv offset %lu, prev %lu\n", + (ulong) type, (ulong) space, (ulong) page_no, + recv_sys->recovered_lsn, + (ulong) recv_previous_parsed_rec_type, + (ulong) recv_previous_parsed_rec_is_multi, + (ulong) (ptr - recv_sys->buf), + (ulong) recv_previous_parsed_rec_offset); + + if ((ulint)(ptr - recv_sys->buf + 100) + > recv_previous_parsed_rec_offset + && (ulint)(ptr - recv_sys->buf + 100 + - recv_previous_parsed_rec_offset) + < 200000) { + fputs("InnoDB: Hex dump of corrupt log starting" + " 100 bytes before the start\n" + "InnoDB: of the previous log rec,\n" + "InnoDB: and ending 100 bytes after the start" + " of the corrupt rec:\n", + stderr); + + ut_print_buf(stderr, + recv_sys->buf + + recv_previous_parsed_rec_offset - 100, + ptr - recv_sys->buf + 200 + - recv_previous_parsed_rec_offset); + putc('\n', stderr); + } + +#ifndef UNIV_HOTBACKUP + if (!srv_force_recovery) { + fputs("InnoDB: Set innodb_force_recovery" + " to ignore this error.\n", stderr); + ut_error; + } +#endif /* !UNIV_HOTBACKUP */ + + fputs("InnoDB: WARNING: the log file may have been corrupt and it\n" + "InnoDB: is possible that the log scan did not proceed\n" + "InnoDB: far enough in recovery! Please run CHECK TABLE\n" + "InnoDB: on your InnoDB tables to check that they are ok!\n" + "InnoDB: If mysqld crashes after this recovery, look at\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" + "InnoDB: about forcing recovery.\n", stderr); + + fflush(stderr); +} + +/*******************************************************//** +Parses log records from a buffer and stores them to a hash table to wait +merging to file pages. +@return currently always returns FALSE */ +static +ibool +recv_parse_log_recs( +/*================*/ + ibool store_to_hash) /*!< in: TRUE if the records should be stored + to the hash table; this is set to FALSE if just + debug checking is needed */ +{ + byte* ptr; + byte* end_ptr; + ulint single_rec; + ulint len; + ulint total_len; + ib_uint64_t new_recovered_lsn; + ib_uint64_t old_lsn; + byte type; + ulint space; + ulint page_no; + byte* body; + ulint n_recs; + + ut_ad(mutex_own(&(log_sys->mutex))); + ut_ad(recv_sys->parse_start_lsn != 0); +loop: + ptr = recv_sys->buf + recv_sys->recovered_offset; + + end_ptr = recv_sys->buf + recv_sys->len; + + if (ptr == end_ptr) { + + return(FALSE); + } + + single_rec = (ulint)*ptr & MLOG_SINGLE_REC_FLAG; + + if (single_rec || *ptr == MLOG_DUMMY_RECORD) { + /* The mtr only modified a single page, or this is a file op */ + + old_lsn = recv_sys->recovered_lsn; + + /* Try to parse a log record, fetching its type, space id, + page no, and a pointer to the body of the log record */ + + len = recv_parse_log_rec(ptr, end_ptr, &type, &space, + &page_no, &body); + + if (len == 0 || recv_sys->found_corrupt_log) { + if (recv_sys->found_corrupt_log) { + + recv_report_corrupt_log(ptr, + type, space, page_no); + } + + return(FALSE); + } + + new_recovered_lsn = recv_calc_lsn_on_data_add(old_lsn, len); + + if (new_recovered_lsn > recv_sys->scanned_lsn) { + /* The log record filled a log block, and we require + that also the next log block should have been scanned + in */ + + return(FALSE); + } + + recv_previous_parsed_rec_type = (ulint)type; + recv_previous_parsed_rec_offset = recv_sys->recovered_offset; + recv_previous_parsed_rec_is_multi = 0; + + recv_sys->recovered_offset += len; + recv_sys->recovered_lsn = new_recovered_lsn; + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Parsed a single log rec" + " type %lu len %lu space %lu page no %lu\n", + (ulong) type, (ulong) len, (ulong) space, + (ulong) page_no); + } +#endif /* UNIV_DEBUG */ + + if (type == MLOG_DUMMY_RECORD) { + /* Do nothing */ + + } else if (!store_to_hash) { + /* In debug checking, update a replicate page + according to the log record, and check that it + becomes identical with the original page */ +#ifdef UNIV_LOG_DEBUG + recv_check_incomplete_log_recs(ptr, len); +#endif/* UNIV_LOG_DEBUG */ + + } else if (type == MLOG_FILE_CREATE + || type == MLOG_FILE_CREATE2 + || type == MLOG_FILE_RENAME + || type == MLOG_FILE_DELETE) { + ut_a(space); +#ifdef UNIV_HOTBACKUP + if (recv_replay_file_ops) { + + /* In ibbackup --apply-log, replay an .ibd file + operation, if possible; note that + fil_path_to_mysql_datadir is set in ibbackup to + point to the datadir we should use there */ + + if (NULL == fil_op_log_parse_or_replay( + body, end_ptr, type, + space, page_no)) { + fprintf(stderr, + "InnoDB: Error: file op" + " log record of type %lu" + " space %lu not complete in\n" + "InnoDB: the replay phase." + " Path %s\n", + (ulint)type, space, + (char*)(body + 2)); + + ut_error; + } + } +#endif + /* In normal mysqld crash recovery we do not try to + replay file operations */ +#ifdef UNIV_LOG_LSN_DEBUG + } else if (type == MLOG_LSN) { + /* Do not add these records to the hash table. + The page number and space id fields are misused + for something else. */ +#endif /* UNIV_LOG_LSN_DEBUG */ + } else { + recv_add_to_hash_table(type, space, page_no, body, + ptr + len, old_lsn, + recv_sys->recovered_lsn); + } + } else { + /* Check that all the records associated with the single mtr + are included within the buffer */ + + total_len = 0; + n_recs = 0; + + for (;;) { + len = recv_parse_log_rec(ptr, end_ptr, &type, &space, + &page_no, &body); + if (len == 0 || recv_sys->found_corrupt_log) { + + if (recv_sys->found_corrupt_log) { + + recv_report_corrupt_log( + ptr, type, space, page_no); + } + + return(FALSE); + } + + recv_previous_parsed_rec_type = (ulint)type; + recv_previous_parsed_rec_offset + = recv_sys->recovered_offset + total_len; + recv_previous_parsed_rec_is_multi = 1; + +#ifdef UNIV_LOG_DEBUG + if ((!store_to_hash) && (type != MLOG_MULTI_REC_END)) { + recv_check_incomplete_log_recs(ptr, len); + } +#endif /* UNIV_LOG_DEBUG */ + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Parsed a multi log rec" + " type %lu len %lu" + " space %lu page no %lu\n", + (ulong) type, (ulong) len, + (ulong) space, (ulong) page_no); + } +#endif /* UNIV_DEBUG */ + + total_len += len; + n_recs++; + + ptr += len; + + if (type == MLOG_MULTI_REC_END) { + + /* Found the end mark for the records */ + + break; + } + } + + new_recovered_lsn = recv_calc_lsn_on_data_add( + recv_sys->recovered_lsn, total_len); + + if (new_recovered_lsn > recv_sys->scanned_lsn) { + /* The log record filled a log block, and we require + that also the next log block should have been scanned + in */ + + return(FALSE); + } + + /* Add all the records to the hash table */ + + ptr = recv_sys->buf + recv_sys->recovered_offset; + + for (;;) { + old_lsn = recv_sys->recovered_lsn; + len = recv_parse_log_rec(ptr, end_ptr, &type, &space, + &page_no, &body); + if (recv_sys->found_corrupt_log) { + + recv_report_corrupt_log(ptr, + type, space, page_no); + } + + ut_a(len != 0); + ut_a(0 == ((ulint)*ptr & MLOG_SINGLE_REC_FLAG)); + + recv_sys->recovered_offset += len; + recv_sys->recovered_lsn + = recv_calc_lsn_on_data_add(old_lsn, len); + if (type == MLOG_MULTI_REC_END) { + + /* Found the end mark for the records */ + + break; + } + + if (store_to_hash +#ifdef UNIV_LOG_LSN_DEBUG + && type != MLOG_LSN +#endif /* UNIV_LOG_LSN_DEBUG */ + ) { + recv_add_to_hash_table(type, space, page_no, + body, ptr + len, + old_lsn, + new_recovered_lsn); + } + + ptr += len; + } + } + + goto loop; +} + +/*******************************************************//** +Adds data from a new log block to the parsing buffer of recv_sys if +recv_sys->parse_start_lsn is non-zero. +@return TRUE if more data added */ +static +ibool +recv_sys_add_to_parsing_buf( +/*========================*/ + const byte* log_block, /*!< in: log block */ + ib_uint64_t scanned_lsn) /*!< in: lsn of how far we were able + to find data in this log block */ +{ + ulint more_len; + ulint data_len; + ulint start_offset; + ulint end_offset; + + ut_ad(scanned_lsn >= recv_sys->scanned_lsn); + + if (!recv_sys->parse_start_lsn) { + /* Cannot start parsing yet because no start point for + it found */ + + return(FALSE); + } + + data_len = log_block_get_data_len(log_block); + + if (recv_sys->parse_start_lsn >= scanned_lsn) { + + return(FALSE); + + } else if (recv_sys->scanned_lsn >= scanned_lsn) { + + return(FALSE); + + } else if (recv_sys->parse_start_lsn > recv_sys->scanned_lsn) { + more_len = (ulint) (scanned_lsn - recv_sys->parse_start_lsn); + } else { + more_len = (ulint) (scanned_lsn - recv_sys->scanned_lsn); + } + + if (more_len == 0) { + + return(FALSE); + } + + ut_ad(data_len >= more_len); + + start_offset = data_len - more_len; + + if (start_offset < LOG_BLOCK_HDR_SIZE) { + start_offset = LOG_BLOCK_HDR_SIZE; + } + + end_offset = data_len; + + if (end_offset > OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { + end_offset = OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; + } + + ut_ad(start_offset <= end_offset); + + if (start_offset < end_offset) { + ut_memcpy(recv_sys->buf + recv_sys->len, + log_block + start_offset, end_offset - start_offset); + + recv_sys->len += end_offset - start_offset; + + ut_a(recv_sys->len <= RECV_PARSING_BUF_SIZE); + } + + return(TRUE); +} + +/*******************************************************//** +Moves the parsing buffer data left to the buffer start. */ +static +void +recv_sys_justify_left_parsing_buf(void) +/*===================================*/ +{ + ut_memmove(recv_sys->buf, recv_sys->buf + recv_sys->recovered_offset, + recv_sys->len - recv_sys->recovered_offset); + + recv_sys->len -= recv_sys->recovered_offset; + + recv_sys->recovered_offset = 0; +} + +/*******************************************************//** +Scans log from a buffer and stores new log data to the parsing buffer. +Parses and hashes the log records if new data found. Unless +UNIV_HOTBACKUP is defined, this function will apply log records +automatically when the hash table becomes full. +@return TRUE if limit_lsn has been reached, or not able to scan any +more in this log group */ +UNIV_INTERN +ibool +recv_scan_log_recs( +/*===============*/ + ulint available_memory,/*!< in: we let the hash table of recs + to grow to this size, at the maximum */ + ibool store_to_hash, /*!< in: TRUE if the records should be + stored to the hash table; this is set + to FALSE if just debug checking is + needed */ + const byte* buf, /*!< in: buffer containing a log + segment or garbage */ + ulint len, /*!< in: buffer length */ + ib_uint64_t start_lsn, /*!< in: buffer start lsn */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log + groups contain contiguous log data up + to this lsn */ + ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to + this lsn */ +{ + const byte* log_block; + ulint no; + ib_uint64_t scanned_lsn; + ibool finished; + ulint data_len; + ibool more_data; + + ut_ad(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_ad(len % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_ad(len >= OS_FILE_LOG_BLOCK_SIZE); + ut_a(store_to_hash <= TRUE); + + finished = FALSE; + + log_block = buf; + scanned_lsn = start_lsn; + more_data = FALSE; + + do { + no = log_block_get_hdr_no(log_block); + /* + fprintf(stderr, "Log block header no %lu\n", no); + + fprintf(stderr, "Scanned lsn no %lu\n", + log_block_convert_lsn_to_no(scanned_lsn)); + */ + if (no != log_block_convert_lsn_to_no(scanned_lsn) + || !log_block_checksum_is_ok_or_old_format(log_block)) { + + if (no == log_block_convert_lsn_to_no(scanned_lsn) + && !log_block_checksum_is_ok_or_old_format( + log_block)) { + fprintf(stderr, + "InnoDB: Log block no %lu at" + " lsn %llu has\n" + "InnoDB: ok header, but checksum field" + " contains %lu, should be %lu\n", + (ulong) no, + scanned_lsn, + (ulong) log_block_get_checksum( + log_block), + (ulong) log_block_calc_checksum( + log_block)); + } + + /* Garbage or an incompletely written log block */ + + finished = TRUE; + + break; + } + + if (log_block_get_flush_bit(log_block)) { + /* This block was a start of a log flush operation: + we know that the previous flush operation must have + been completed for all log groups before this block + can have been flushed to any of the groups. Therefore, + we know that log data is contiguous up to scanned_lsn + in all non-corrupt log groups. */ + + if (scanned_lsn > *contiguous_lsn) { + *contiguous_lsn = scanned_lsn; + } + } + + data_len = log_block_get_data_len(log_block); + + if ((store_to_hash || (data_len == OS_FILE_LOG_BLOCK_SIZE)) + && scanned_lsn + data_len > recv_sys->scanned_lsn + && (recv_sys->scanned_checkpoint_no > 0) + && (log_block_get_checkpoint_no(log_block) + < recv_sys->scanned_checkpoint_no) + && (recv_sys->scanned_checkpoint_no + - log_block_get_checkpoint_no(log_block) + > 0x80000000UL)) { + + /* Garbage from a log buffer flush which was made + before the most recent database recovery */ + + finished = TRUE; +#ifdef UNIV_LOG_DEBUG + /* This is not really an error, but currently + we stop here in the debug version: */ + + ut_error; +#endif + break; + } + + if (!recv_sys->parse_start_lsn + && (log_block_get_first_rec_group(log_block) > 0)) { + + /* We found a point from which to start the parsing + of log records */ + + recv_sys->parse_start_lsn = scanned_lsn + + log_block_get_first_rec_group(log_block); + recv_sys->scanned_lsn = recv_sys->parse_start_lsn; + recv_sys->recovered_lsn = recv_sys->parse_start_lsn; + } + + scanned_lsn += data_len; + + if (scanned_lsn > recv_sys->scanned_lsn) { + + /* We have found more entries. If this scan is + of startup type, we must initiate crash recovery + environment before parsing these log records. */ + +#ifndef UNIV_HOTBACKUP + if (recv_log_scan_is_startup_type + && !recv_needed_recovery) { + + fprintf(stderr, + "InnoDB: Log scan progressed" + " past the checkpoint lsn %llu\n", + recv_sys->scanned_lsn); + recv_init_crash_recovery(); + } +#endif /* !UNIV_HOTBACKUP */ + + /* We were able to find more log data: add it to the + parsing buffer if parse_start_lsn is already + non-zero */ + + if (recv_sys->len + 4 * OS_FILE_LOG_BLOCK_SIZE + >= RECV_PARSING_BUF_SIZE) { + fprintf(stderr, + "InnoDB: Error: log parsing" + " buffer overflow." + " Recovery may have failed!\n"); + + recv_sys->found_corrupt_log = TRUE; + +#ifndef UNIV_HOTBACKUP + if (!srv_force_recovery) { + fputs("InnoDB: Set" + " innodb_force_recovery" + " to ignore this error.\n", + stderr); + ut_error; + } +#endif /* !UNIV_HOTBACKUP */ + + } else if (!recv_sys->found_corrupt_log) { + more_data = recv_sys_add_to_parsing_buf( + log_block, scanned_lsn); + } + + recv_sys->scanned_lsn = scanned_lsn; + recv_sys->scanned_checkpoint_no + = log_block_get_checkpoint_no(log_block); + } + + if (data_len < OS_FILE_LOG_BLOCK_SIZE) { + /* Log data for this group ends here */ + + finished = TRUE; + break; + } else { + log_block += OS_FILE_LOG_BLOCK_SIZE; + } + } while (log_block < buf + len && !finished); + + *group_scanned_lsn = scanned_lsn; + + if (recv_needed_recovery + || (recv_is_from_backup && !recv_is_making_a_backup)) { + recv_scan_print_counter++; + + if (finished || (recv_scan_print_counter % 80 == 0)) { + + fprintf(stderr, + "InnoDB: Doing recovery: scanned up to" + " log sequence number %llu\n", + *group_scanned_lsn); + } + } + + if (more_data && !recv_sys->found_corrupt_log) { + /* Try to parse more log records */ + + recv_parse_log_recs(store_to_hash); + +#ifndef UNIV_HOTBACKUP + if (store_to_hash && mem_heap_get_size(recv_sys->heap) + > available_memory) { + + /* Hash table of log records has grown too big: + empty it; FALSE means no ibuf operations + allowed, as we cannot add new records to the + log yet: they would be produced by ibuf + operations */ + + recv_apply_hashed_log_recs(FALSE); + } +#endif /* !UNIV_HOTBACKUP */ + + if (recv_sys->recovered_offset > RECV_PARSING_BUF_SIZE / 4) { + /* Move parsing buffer data to the buffer start */ + + recv_sys_justify_left_parsing_buf(); + } + } + + return(finished); +} + +#ifndef UNIV_HOTBACKUP +/*******************************************************//** +Scans log from a buffer and stores new log data to the parsing buffer. Parses +and hashes the log records if new data found. */ +static +void +recv_group_scan_log_recs( +/*=====================*/ + log_group_t* group, /*!< in: log group */ + ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log + groups contain contiguous log data up + to this lsn */ + ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to + this lsn */ +{ + ibool finished; + ib_uint64_t start_lsn; + ib_uint64_t end_lsn; + + finished = FALSE; + + start_lsn = *contiguous_lsn; + + while (!finished) { + end_lsn = start_lsn + RECV_SCAN_SIZE; + + log_group_read_log_seg(LOG_RECOVER, log_sys->buf, + group, start_lsn, end_lsn); + + finished = recv_scan_log_recs( + (buf_pool->curr_size - recv_n_pool_free_frames) + * UNIV_PAGE_SIZE, TRUE, log_sys->buf, RECV_SCAN_SIZE, + start_lsn, contiguous_lsn, group_scanned_lsn); + start_lsn = end_lsn; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Scanned group %lu up to" + " log sequence number %llu\n", + (ulong) group->id, + *group_scanned_lsn); + } +#endif /* UNIV_DEBUG */ +} + +/*******************************************************//** +Initialize crash recovery environment. Can be called iff +recv_needed_recovery == FALSE. */ +static +void +recv_init_crash_recovery(void) +/*==========================*/ +{ + ut_a(!recv_needed_recovery); + + recv_needed_recovery = TRUE; + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Database was not" + " shut down normally!\n" + "InnoDB: Starting crash recovery.\n"); + + fprintf(stderr, + "InnoDB: Reading tablespace information" + " from the .ibd files...\n"); + + fil_load_single_table_tablespaces(); + + /* If we are using the doublewrite method, we will + check if there are half-written pages in data files, + and restore them from the doublewrite buffer if + possible */ + + if (srv_force_recovery < SRV_FORCE_NO_LOG_REDO) { + + fprintf(stderr, + "InnoDB: Restoring possible" + " half-written data pages from" + " the doublewrite\n" + "InnoDB: buffer...\n"); + trx_sys_doublewrite_init_or_restore_pages(TRUE); + } +} + +/********************************************************//** +Recovers from a checkpoint. When this function returns, the database is able +to start processing of new user transactions, but the function +recv_recovery_from_checkpoint_finish should be called later to complete +the recovery and free the resources used in it. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +recv_recovery_from_checkpoint_start_func( +/*=====================================*/ +#ifdef UNIV_LOG_ARCHIVE + ulint type, /*!< in: LOG_CHECKPOINT or + LOG_ARCHIVE */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn + if possible */ +#endif /* UNIV_LOG_ARCHIVE */ + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from + data files */ + ib_uint64_t max_flushed_lsn)/*!< in: max flushed lsn from + data files */ +{ + log_group_t* group; + log_group_t* max_cp_group; + log_group_t* up_to_date_group; + ulint max_cp_field; + ib_uint64_t checkpoint_lsn; + ib_uint64_t checkpoint_no; + ib_uint64_t old_scanned_lsn; + ib_uint64_t group_scanned_lsn; + ib_uint64_t contiguous_lsn; + ib_uint64_t archived_lsn; + byte* buf; + byte log_hdr_buf[LOG_FILE_HDR_SIZE]; + ulint err; + +#ifdef UNIV_LOG_ARCHIVE + ut_ad(type != LOG_CHECKPOINT || limit_lsn == IB_ULONGLONG_MAX); +/** TRUE when recovering from a checkpoint */ +# define TYPE_CHECKPOINT (type == LOG_CHECKPOINT) +/** Recover up to this log sequence number */ +# define LIMIT_LSN limit_lsn +#else /* UNIV_LOG_ARCHIVE */ +/** TRUE when recovering from a checkpoint */ +# define TYPE_CHECKPOINT 1 +/** Recover up to this log sequence number */ +# define LIMIT_LSN IB_ULONGLONG_MAX +#endif /* UNIV_LOG_ARCHIVE */ + + if (TYPE_CHECKPOINT) { + recv_sys_create(); + recv_sys_init(buf_pool_get_curr_size()); + } + + if (srv_force_recovery >= SRV_FORCE_NO_LOG_REDO) { + fprintf(stderr, + "InnoDB: The user has set SRV_FORCE_NO_LOG_REDO on\n"); + fprintf(stderr, + "InnoDB: Skipping log redo\n"); + + return(DB_SUCCESS); + } + + recv_recovery_on = TRUE; + + recv_sys->limit_lsn = LIMIT_LSN; + + mutex_enter(&(log_sys->mutex)); + + /* Look for the latest checkpoint from any of the log groups */ + + err = recv_find_max_checkpoint(&max_cp_group, &max_cp_field); + + if (err != DB_SUCCESS) { + + mutex_exit(&(log_sys->mutex)); + + return(err); + } + + log_group_read_checkpoint_info(max_cp_group, max_cp_field); + + buf = log_sys->checkpoint_buf; + + checkpoint_lsn = mach_read_ull(buf + LOG_CHECKPOINT_LSN); + checkpoint_no = mach_read_ull(buf + LOG_CHECKPOINT_NO); + archived_lsn = mach_read_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN); + + /* Read the first log file header to print a note if this is + a recovery from a restored InnoDB Hot Backup */ + + fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, max_cp_group->space_id, 0, + 0, 0, LOG_FILE_HDR_SIZE, + log_hdr_buf, max_cp_group); + + if (0 == ut_memcmp(log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, + (byte*)"ibbackup", (sizeof "ibbackup") - 1)) { + /* This log file was created by ibbackup --restore: print + a note to the user about it */ + + fprintf(stderr, + "InnoDB: The log file was created by" + " ibbackup --apply-log at\n" + "InnoDB: %s\n", + log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP); + fprintf(stderr, + "InnoDB: NOTE: the following crash recovery" + " is part of a normal restore.\n"); + + /* Wipe over the label now */ + + memset(log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, + ' ', 4); + /* Write to the log file to wipe over the label */ + fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, + max_cp_group->space_id, 0, + 0, 0, OS_FILE_LOG_BLOCK_SIZE, + log_hdr_buf, max_cp_group); + } + +#ifdef UNIV_LOG_ARCHIVE + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group) { + log_checkpoint_get_nth_group_info(buf, group->id, + &(group->archived_file_no), + &(group->archived_offset)); + + group = UT_LIST_GET_NEXT(log_groups, group); + } +#endif /* UNIV_LOG_ARCHIVE */ + + if (TYPE_CHECKPOINT) { + /* Start reading the log groups from the checkpoint lsn up. The + variable contiguous_lsn contains an lsn up to which the log is + known to be contiguously written to all log groups. */ + + recv_sys->parse_start_lsn = checkpoint_lsn; + recv_sys->scanned_lsn = checkpoint_lsn; + recv_sys->scanned_checkpoint_no = 0; + recv_sys->recovered_lsn = checkpoint_lsn; + + srv_start_lsn = checkpoint_lsn; + } + + contiguous_lsn = ut_uint64_align_down(recv_sys->scanned_lsn, + OS_FILE_LOG_BLOCK_SIZE); + if (TYPE_CHECKPOINT) { + up_to_date_group = max_cp_group; +#ifdef UNIV_LOG_ARCHIVE + } else { + ulint capacity; + + /* Try to recover the remaining part from logs: first from + the logs of the archived group */ + + group = recv_sys->archive_group; + capacity = log_group_get_capacity(group); + + if (recv_sys->scanned_lsn > checkpoint_lsn + capacity + || checkpoint_lsn > recv_sys->scanned_lsn + capacity) { + + mutex_exit(&(log_sys->mutex)); + + /* The group does not contain enough log: probably + an archived log file was missing or corrupt */ + + return(DB_ERROR); + } + + recv_group_scan_log_recs(group, &contiguous_lsn, + &group_scanned_lsn); + if (recv_sys->scanned_lsn < checkpoint_lsn) { + + mutex_exit(&(log_sys->mutex)); + + /* The group did not contain enough log: an archived + log file was missing or invalid, or the log group + was corrupt */ + + return(DB_ERROR); + } + + group->scanned_lsn = group_scanned_lsn; + up_to_date_group = group; +#endif /* UNIV_LOG_ARCHIVE */ + } + + ut_ad(RECV_SCAN_SIZE <= log_sys->buf_size); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + +#ifdef UNIV_LOG_ARCHIVE + if ((type == LOG_ARCHIVE) && (group == recv_sys->archive_group)) { + group = UT_LIST_GET_NEXT(log_groups, group); + } +#endif /* UNIV_LOG_ARCHIVE */ + + /* Set the flag to publish that we are doing startup scan. */ + recv_log_scan_is_startup_type = TYPE_CHECKPOINT; + while (group) { + old_scanned_lsn = recv_sys->scanned_lsn; + + recv_group_scan_log_recs(group, &contiguous_lsn, + &group_scanned_lsn); + group->scanned_lsn = group_scanned_lsn; + + if (old_scanned_lsn < group_scanned_lsn) { + /* We found a more up-to-date group */ + + up_to_date_group = group; + } + +#ifdef UNIV_LOG_ARCHIVE + if ((type == LOG_ARCHIVE) + && (group == recv_sys->archive_group)) { + group = UT_LIST_GET_NEXT(log_groups, group); + } +#endif /* UNIV_LOG_ARCHIVE */ + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + /* Done with startup scan. Clear the flag. */ + recv_log_scan_is_startup_type = FALSE; + if (TYPE_CHECKPOINT) { + /* NOTE: we always do a 'recovery' at startup, but only if + there is something wrong we will print a message to the + user about recovery: */ + + if (checkpoint_lsn != max_flushed_lsn + || checkpoint_lsn != min_flushed_lsn) { + + if (checkpoint_lsn < max_flushed_lsn) { + fprintf(stderr, + "InnoDB: #########################" + "#################################\n" + "InnoDB: " + "WARNING!\n" + "InnoDB: The log sequence number" + " in ibdata files is higher\n" + "InnoDB: than the log sequence number" + " in the ib_logfiles! Are you sure\n" + "InnoDB: you are using the right" + " ib_logfiles to start up" + " the database?\n" + "InnoDB: Log sequence number in" + " ib_logfiles is %llu, log\n" + "InnoDB: sequence numbers stamped" + " to ibdata file headers are between\n" + "InnoDB: %llu and %llu.\n" + "InnoDB: #########################" + "#################################\n", + checkpoint_lsn, + min_flushed_lsn, + max_flushed_lsn); + } + + if (!recv_needed_recovery) { + fprintf(stderr, + "InnoDB: The log sequence number" + " in ibdata files does not match\n" + "InnoDB: the log sequence number" + " in the ib_logfiles!\n"); + recv_init_crash_recovery(); + } + } + + if (!recv_needed_recovery) { + /* Init the doublewrite buffer memory structure */ + trx_sys_doublewrite_init_or_restore_pages(FALSE); + } + } + + /* We currently have only one log group */ + if (group_scanned_lsn < checkpoint_lsn) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: We were only able to scan the log" + " up to\n" + "InnoDB: %llu, but a checkpoint was at %llu.\n" + "InnoDB: It is possible that" + " the database is now corrupt!\n", + group_scanned_lsn, + checkpoint_lsn); + } + + if (group_scanned_lsn < recv_max_page_lsn) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: ERROR: We were only able to scan the log" + " up to %llu\n" + "InnoDB: but a database page a had an lsn %llu." + " It is possible that the\n" + "InnoDB: database is now corrupt!\n", + group_scanned_lsn, + recv_max_page_lsn); + } + + if (recv_sys->recovered_lsn < checkpoint_lsn) { + + mutex_exit(&(log_sys->mutex)); + + if (recv_sys->recovered_lsn >= LIMIT_LSN) { + + return(DB_SUCCESS); + } + + ut_error; + + return(DB_ERROR); + } + + /* Synchronize the uncorrupted log groups to the most up-to-date log + group; we also copy checkpoint info to groups */ + + log_sys->next_checkpoint_lsn = checkpoint_lsn; + log_sys->next_checkpoint_no = checkpoint_no + 1; + +#ifdef UNIV_LOG_ARCHIVE + log_sys->archived_lsn = archived_lsn; +#endif /* UNIV_LOG_ARCHIVE */ + + recv_synchronize_groups(up_to_date_group); + + if (!recv_needed_recovery) { + ut_a(checkpoint_lsn == recv_sys->recovered_lsn); + } else { + srv_start_lsn = recv_sys->recovered_lsn; + } + + log_sys->lsn = recv_sys->recovered_lsn; + + ut_memcpy(log_sys->buf, recv_sys->last_block, OS_FILE_LOG_BLOCK_SIZE); + + log_sys->buf_free = (ulint) log_sys->lsn % OS_FILE_LOG_BLOCK_SIZE; + log_sys->buf_next_to_write = log_sys->buf_free; + log_sys->written_to_some_lsn = log_sys->lsn; + log_sys->written_to_all_lsn = log_sys->lsn; + + log_sys->last_checkpoint_lsn = checkpoint_lsn; + + log_sys->next_checkpoint_no = checkpoint_no + 1; + +#ifdef UNIV_LOG_ARCHIVE + if (archived_lsn == IB_ULONGLONG_MAX) { + + log_sys->archiving_state = LOG_ARCH_OFF; + } +#endif /* UNIV_LOG_ARCHIVE */ + + mutex_enter(&(recv_sys->mutex)); + + recv_sys->apply_log_recs = TRUE; + + mutex_exit(&(recv_sys->mutex)); + + mutex_exit(&(log_sys->mutex)); + + recv_lsn_checks_on = TRUE; + + /* The database is now ready to start almost normal processing of user + transactions: transaction rollbacks and the application of the log + records in the hash table can be run in background. */ + + return(DB_SUCCESS); + +#undef TYPE_CHECKPOINT +#undef LIMIT_LSN +} + +/********************************************************//** +Completes recovery from a checkpoint. */ +UNIV_INTERN +void +recv_recovery_from_checkpoint_finish(void) +/*======================================*/ +{ + /* Apply the hashed log records to the respective file pages */ + + if (srv_force_recovery < SRV_FORCE_NO_LOG_REDO) { + + recv_apply_hashed_log_recs(TRUE); + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Log records applied to the database\n"); + } +#endif /* UNIV_DEBUG */ + + if (recv_needed_recovery) { + trx_sys_print_mysql_master_log_pos(); + trx_sys_print_mysql_binlog_offset(); + } + + if (recv_sys->found_corrupt_log) { + + fprintf(stderr, + "InnoDB: WARNING: the log file may have been" + " corrupt and it\n" + "InnoDB: is possible that the log scan or parsing" + " did not proceed\n" + "InnoDB: far enough in recovery. Please run" + " CHECK TABLE\n" + "InnoDB: on your InnoDB tables to check that" + " they are ok!\n" + "InnoDB: It may be safest to recover your" + " InnoDB database from\n" + "InnoDB: a backup!\n"); + } + + /* Free the resources of the recovery system */ + + recv_recovery_on = FALSE; + +#ifndef UNIV_LOG_DEBUG + recv_sys_debug_free(); +#endif + /* Roll back any recovered data dictionary transactions, so + that the data dictionary tables will be free of any locks. + The data dictionary latch should guarantee that there is at + most one data dictionary transaction active at a time. */ + trx_rollback_or_clean_recovered(FALSE); +} + +/********************************************************//** +Initiates the rollback of active transactions. */ +UNIV_INTERN +void +recv_recovery_rollback_active(void) +/*===============================*/ +{ + int i; + +#ifdef UNIV_SYNC_DEBUG + /* Wait for a while so that created threads have time to suspend + themselves before we switch the latching order checks on */ + os_thread_sleep(1000000); + + /* Switch latching order checks on in sync0sync.c */ + sync_order_checks_on = TRUE; +#endif + /* Drop partially created indexes. */ + row_merge_drop_temp_indexes(); + /* Drop temporary tables. */ + row_mysql_drop_temp_tables(); + + if (srv_force_recovery < SRV_FORCE_NO_TRX_UNDO) { + /* Rollback the uncommitted transactions which have no user + session */ + + os_thread_create(trx_rollback_or_clean_all_recovered, + (void *)&i, NULL); + } +} + +/******************************************************//** +Resets the logs. The contents of log files will be lost! */ +UNIV_INTERN +void +recv_reset_logs( +/*============*/ + ib_uint64_t lsn, /*!< in: reset to this lsn + rounded up to be divisible by + OS_FILE_LOG_BLOCK_SIZE, after + which we add + LOG_BLOCK_HDR_SIZE */ +#ifdef UNIV_LOG_ARCHIVE + ulint arch_log_no, /*!< in: next archived log file number */ +#endif /* UNIV_LOG_ARCHIVE */ + ibool new_logs_created)/*!< in: TRUE if resetting logs + is done at the log creation; + FALSE if it is done after + archive recovery */ +{ + log_group_t* group; + + ut_ad(mutex_own(&(log_sys->mutex))); + + log_sys->lsn = ut_uint64_align_up(lsn, OS_FILE_LOG_BLOCK_SIZE); + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group) { + group->lsn = log_sys->lsn; + group->lsn_offset = LOG_FILE_HDR_SIZE; +#ifdef UNIV_LOG_ARCHIVE + group->archived_file_no = arch_log_no; + group->archived_offset = 0; +#endif /* UNIV_LOG_ARCHIVE */ + + if (!new_logs_created) { + recv_truncate_group(group, group->lsn, group->lsn, + group->lsn, group->lsn); + } + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + log_sys->buf_next_to_write = 0; + log_sys->written_to_some_lsn = log_sys->lsn; + log_sys->written_to_all_lsn = log_sys->lsn; + + log_sys->next_checkpoint_no = 0; + log_sys->last_checkpoint_lsn = 0; + +#ifdef UNIV_LOG_ARCHIVE + log_sys->archived_lsn = log_sys->lsn; +#endif /* UNIV_LOG_ARCHIVE */ + + log_block_init(log_sys->buf, log_sys->lsn); + log_block_set_first_rec_group(log_sys->buf, LOG_BLOCK_HDR_SIZE); + + log_sys->buf_free = LOG_BLOCK_HDR_SIZE; + log_sys->lsn += LOG_BLOCK_HDR_SIZE; + + mutex_exit(&(log_sys->mutex)); + + /* Reset the checkpoint fields in logs */ + + log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); + log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); + + mutex_enter(&(log_sys->mutex)); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_HOTBACKUP +/******************************************************//** +Creates new log files after a backup has been restored. */ +UNIV_INTERN +void +recv_reset_log_files_for_backup( +/*============================*/ + const char* log_dir, /*!< in: log file directory path */ + ulint n_log_files, /*!< in: number of log files */ + ulint log_file_size, /*!< in: log file size */ + ib_uint64_t lsn) /*!< in: new start lsn, must be + divisible by OS_FILE_LOG_BLOCK_SIZE */ +{ + os_file_t log_file; + ibool success; + byte* buf; + ulint i; + ulint log_dir_len; + char name[5000]; + static const char ib_logfile_basename[] = "ib_logfile"; + + log_dir_len = strlen(log_dir); + /* full path name of ib_logfile consists of log dir path + basename + + number. This must fit in the name buffer. + */ + ut_a(log_dir_len + strlen(ib_logfile_basename) + 11 < sizeof(name)); + + buf = ut_malloc(LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + memset(buf, '\0', LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + + for (i = 0; i < n_log_files; i++) { + + sprintf(name, "%s%s%lu", log_dir, + ib_logfile_basename, (ulong)i); + + log_file = os_file_create_simple(name, OS_FILE_CREATE, + OS_FILE_READ_WRITE, &success); + if (!success) { + fprintf(stderr, + "InnoDB: Cannot create %s. Check that" + " the file does not exist yet.\n", name); + + exit(1); + } + + fprintf(stderr, + "Setting log file size to %lu %lu\n", + (ulong) ut_get_high32(log_file_size), + (ulong) log_file_size & 0xFFFFFFFFUL); + + success = os_file_set_size(name, log_file, + log_file_size & 0xFFFFFFFFUL, + ut_get_high32(log_file_size)); + + if (!success) { + fprintf(stderr, + "InnoDB: Cannot set %s size to %lu %lu\n", + name, (ulong) ut_get_high32(log_file_size), + (ulong) (log_file_size & 0xFFFFFFFFUL)); + exit(1); + } + + os_file_flush(log_file); + os_file_close(log_file); + } + + /* We pretend there is a checkpoint at lsn + LOG_BLOCK_HDR_SIZE */ + + log_reset_first_header_and_checkpoint(buf, lsn); + + log_block_init_in_old_format(buf + LOG_FILE_HDR_SIZE, lsn); + log_block_set_first_rec_group(buf + LOG_FILE_HDR_SIZE, + LOG_BLOCK_HDR_SIZE); + sprintf(name, "%s%s%lu", log_dir, ib_logfile_basename, (ulong)0); + + log_file = os_file_create_simple(name, OS_FILE_OPEN, + OS_FILE_READ_WRITE, &success); + if (!success) { + fprintf(stderr, "InnoDB: Cannot open %s.\n", name); + + exit(1); + } + + os_file_write(name, log_file, buf, 0, 0, + LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); + os_file_flush(log_file); + os_file_close(log_file); + + ut_free(buf); +} +#endif /* UNIV_HOTBACKUP */ + +#ifdef UNIV_LOG_ARCHIVE +/******************************************************//** +Reads from the archive of a log group and performs recovery. +@return TRUE if no more complete consistent archive files */ +static +ibool +log_group_recover_from_archive_file( +/*================================*/ + log_group_t* group) /*!< in: log group */ +{ + os_file_t file_handle; + ib_uint64_t start_lsn; + ib_uint64_t file_end_lsn; + ib_uint64_t dummy_lsn; + ib_uint64_t scanned_lsn; + ulint len; + ibool ret; + byte* buf; + ulint read_offset; + ulint file_size; + ulint file_size_high; + int input_char; + char name[10000]; + + ut_a(0); + +try_open_again: + buf = log_sys->buf; + + /* Add the file to the archive file space; open the file */ + + log_archived_file_name_gen(name, group->id, group->archived_file_no); + + file_handle = os_file_create(name, OS_FILE_OPEN, + OS_FILE_LOG, OS_FILE_AIO, &ret); + + if (ret == FALSE) { +ask_again: + fprintf(stderr, + "InnoDB: Do you want to copy additional" + " archived log files\n" + "InnoDB: to the directory\n"); + fprintf(stderr, + "InnoDB: or were these all the files needed" + " in recovery?\n"); + fprintf(stderr, + "InnoDB: (Y == copy more files; N == this is all)?"); + + input_char = getchar(); + + if (input_char == (int) 'N') { + + return(TRUE); + } else if (input_char == (int) 'Y') { + + goto try_open_again; + } else { + goto ask_again; + } + } + + ret = os_file_get_size(file_handle, &file_size, &file_size_high); + ut_a(ret); + + ut_a(file_size_high == 0); + + fprintf(stderr, "InnoDB: Opened archived log file %s\n", name); + + ret = os_file_close(file_handle); + + if (file_size < LOG_FILE_HDR_SIZE) { + fprintf(stderr, + "InnoDB: Archive file header incomplete %s\n", name); + + return(TRUE); + } + + ut_a(ret); + + /* Add the archive file as a node to the space */ + + fil_node_create(name, 1 + file_size / UNIV_PAGE_SIZE, + group->archive_space_id, FALSE); +#if RECV_SCAN_SIZE < LOG_FILE_HDR_SIZE +# error "RECV_SCAN_SIZE < LOG_FILE_HDR_SIZE" +#endif + + /* Read the archive file header */ + fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, group->archive_space_id, 0, 0, + LOG_FILE_HDR_SIZE, buf, NULL); + + /* Check if the archive file header is consistent */ + + if (mach_read_from_4(buf + LOG_GROUP_ID) != group->id + || mach_read_from_4(buf + LOG_FILE_NO) + != group->archived_file_no) { + fprintf(stderr, + "InnoDB: Archive file header inconsistent %s\n", name); + + return(TRUE); + } + + if (!mach_read_from_4(buf + LOG_FILE_ARCH_COMPLETED)) { + fprintf(stderr, + "InnoDB: Archive file not completely written %s\n", + name); + + return(TRUE); + } + + start_lsn = mach_read_ull(buf + LOG_FILE_START_LSN); + file_end_lsn = mach_read_ull(buf + LOG_FILE_END_LSN); + + if (!recv_sys->scanned_lsn) { + + if (recv_sys->parse_start_lsn < start_lsn) { + fprintf(stderr, + "InnoDB: Archive log file %s" + " starts from too big a lsn\n", + name); + return(TRUE); + } + + recv_sys->scanned_lsn = start_lsn; + } + + if (recv_sys->scanned_lsn != start_lsn) { + + fprintf(stderr, + "InnoDB: Archive log file %s starts from" + " a wrong lsn\n", + name); + return(TRUE); + } + + read_offset = LOG_FILE_HDR_SIZE; + + for (;;) { + len = RECV_SCAN_SIZE; + + if (read_offset + len > file_size) { + len = ut_calc_align_down(file_size - read_offset, + OS_FILE_LOG_BLOCK_SIZE); + } + + if (len == 0) { + + break; + } + +#ifdef UNIV_DEBUG + if (log_debug_writes) { + fprintf(stderr, + "InnoDB: Archive read starting at" + " lsn %llu, len %lu from file %s\n", + start_lsn, + (ulong) len, name); + } +#endif /* UNIV_DEBUG */ + + fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, + group->archive_space_id, read_offset / UNIV_PAGE_SIZE, + read_offset % UNIV_PAGE_SIZE, len, buf, NULL); + + ret = recv_scan_log_recs( + (buf_pool->n_frames - recv_n_pool_free_frames) + * UNIV_PAGE_SIZE, TRUE, buf, len, start_lsn, + &dummy_lsn, &scanned_lsn); + + if (scanned_lsn == file_end_lsn) { + + return(FALSE); + } + + if (ret) { + fprintf(stderr, + "InnoDB: Archive log file %s" + " does not scan right\n", + name); + return(TRUE); + } + + read_offset += len; + start_lsn += len; + + ut_ad(start_lsn == scanned_lsn); + } + + return(FALSE); +} + +/********************************************************//** +Recovers from archived log files, and also from log files, if they exist. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +recv_recovery_from_archive_start( +/*=============================*/ + ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the + data files */ + ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if + possible */ + ulint first_log_no) /*!< in: number of the first archived + log file to use in the recovery; the + file will be searched from + INNOBASE_LOG_ARCH_DIR specified in + server config file */ +{ + log_group_t* group; + ulint group_id; + ulint trunc_len; + ibool ret; + ulint err; + + ut_a(0); + + recv_sys_create(); + recv_sys_init(buf_pool_get_curr_size()); + + recv_recovery_on = TRUE; + recv_recovery_from_backup_on = TRUE; + + recv_sys->limit_lsn = limit_lsn; + + group_id = 0; + + group = UT_LIST_GET_FIRST(log_sys->log_groups); + + while (group) { + if (group->id == group_id) { + + break; + } + + group = UT_LIST_GET_NEXT(log_groups, group); + } + + if (!group) { + fprintf(stderr, + "InnoDB: There is no log group defined with id %lu!\n", + (ulong) group_id); + return(DB_ERROR); + } + + group->archived_file_no = first_log_no; + + recv_sys->parse_start_lsn = min_flushed_lsn; + + recv_sys->scanned_lsn = 0; + recv_sys->scanned_checkpoint_no = 0; + recv_sys->recovered_lsn = recv_sys->parse_start_lsn; + + recv_sys->archive_group = group; + + ret = FALSE; + + mutex_enter(&(log_sys->mutex)); + + while (!ret) { + ret = log_group_recover_from_archive_file(group); + + /* Close and truncate a possible processed archive file + from the file space */ + + trunc_len = UNIV_PAGE_SIZE + * fil_space_get_size(group->archive_space_id); + if (trunc_len > 0) { + fil_space_truncate_start(group->archive_space_id, + trunc_len); + } + + group->archived_file_no++; + } + + if (recv_sys->recovered_lsn < limit_lsn) { + + if (!recv_sys->scanned_lsn) { + + recv_sys->scanned_lsn = recv_sys->parse_start_lsn; + } + + mutex_exit(&(log_sys->mutex)); + + err = recv_recovery_from_checkpoint_start(LOG_ARCHIVE, + limit_lsn, + IB_ULONGLONG_MAX, + IB_ULONGLONG_MAX); + if (err != DB_SUCCESS) { + + return(err); + } + + mutex_enter(&(log_sys->mutex)); + } + + if (limit_lsn != IB_ULONGLONG_MAX) { + + recv_apply_hashed_log_recs(FALSE); + + recv_reset_logs(recv_sys->recovered_lsn, 0, FALSE); + } + + mutex_exit(&(log_sys->mutex)); + + return(DB_SUCCESS); +} + +/********************************************************//** +Completes recovery from archive. */ +UNIV_INTERN +void +recv_recovery_from_archive_finish(void) +/*===================================*/ +{ + recv_recovery_from_checkpoint_finish(); + + recv_recovery_from_backup_on = FALSE; +} +#endif /* UNIV_LOG_ARCHIVE */ diff --git a/perfschema/mach/mach0data.c b/perfschema/mach/mach0data.c new file mode 100644 index 00000000000..e030ce9aadf --- /dev/null +++ b/perfschema/mach/mach0data.c @@ -0,0 +1,134 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/******************************************************************//** +@file mach/mach0data.c +Utilities for converting data from the database file +to the machine format. + +Created 11/28/1995 Heikki Tuuri +***********************************************************************/ + +#include "mach0data.h" + +#ifdef UNIV_NONINL +#include "mach0data.ic" +#endif + +/*********************************************************//** +Reads a ulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ +UNIV_INTERN +byte* +mach_parse_compressed( +/*==================*/ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + ulint* val) /*!< out: read value (< 2^32) */ +{ + ulint flag; + + ut_ad(ptr && end_ptr && val); + + if (ptr >= end_ptr) { + + return(NULL); + } + + flag = mach_read_from_1(ptr); + + if (flag < 0x80UL) { + *val = flag; + return(ptr + 1); + + } else if (flag < 0xC0UL) { + if (end_ptr < ptr + 2) { + return(NULL); + } + + *val = mach_read_from_2(ptr) & 0x7FFFUL; + + return(ptr + 2); + + } else if (flag < 0xE0UL) { + if (end_ptr < ptr + 3) { + return(NULL); + } + + *val = mach_read_from_3(ptr) & 0x3FFFFFUL; + + return(ptr + 3); + } else if (flag < 0xF0UL) { + if (end_ptr < ptr + 4) { + return(NULL); + } + + *val = mach_read_from_4(ptr) & 0x1FFFFFFFUL; + + return(ptr + 4); + } else { + ut_ad(flag == 0xF0UL); + + if (end_ptr < ptr + 5) { + return(NULL); + } + + *val = mach_read_from_4(ptr + 1); + return(ptr + 5); + } +} + +/*********************************************************//** +Reads a dulint in a compressed form if the log record fully contains it. +@return pointer to end of the stored field, NULL if not complete */ +UNIV_INTERN +byte* +mach_dulint_parse_compressed( +/*=========================*/ + byte* ptr, /*!< in: pointer to buffer from where to read */ + byte* end_ptr,/*!< in: pointer to end of the buffer */ + dulint* val) /*!< out: read value */ +{ + ulint high; + ulint low; + ulint size; + + ut_ad(ptr && end_ptr && val); + + if (end_ptr < ptr + 5) { + + return(NULL); + } + + high = mach_read_compressed(ptr); + + size = mach_get_compressed_size(high); + + ptr += size; + + if (end_ptr < ptr + 4) { + + return(NULL); + } + + low = mach_read_from_4(ptr); + + *val = ut_dulint_create(high, low); + + return(ptr + 4); +} diff --git a/perfschema/mem/mem0dbg.c b/perfschema/mem/mem0dbg.c new file mode 100644 index 00000000000..1cd2ff15bab --- /dev/null +++ b/perfschema/mem/mem0dbg.c @@ -0,0 +1,1041 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file mem/mem0dbg.c +The memory management: the debug code. This is not a compilation module, +but is included in mem0mem.* ! + +Created 6/9/1994 Heikki Tuuri +*************************************************************************/ + +#ifdef UNIV_MEM_DEBUG +# ifndef UNIV_HOTBACKUP +/* The mutex which protects in the debug version the hash table +containing the list of live memory heaps, and also the global +variables below. */ +UNIV_INTERN mutex_t mem_hash_mutex; +# endif /* !UNIV_HOTBACKUP */ + +/* The following variables contain information about the +extent of memory allocations. Only used in the debug version. +Protected by mem_hash_mutex above. */ + +static ulint mem_n_created_heaps = 0; +static ulint mem_n_allocations = 0; +static ulint mem_total_allocated_memory = 0; +UNIV_INTERN ulint mem_current_allocated_memory = 0; +static ulint mem_max_allocated_memory = 0; +# ifndef UNIV_HOTBACKUP +static ulint mem_last_print_info = 0; +static ibool mem_hash_initialized = FALSE; +# endif /* !UNIV_HOTBACKUP */ + +/* Size of the hash table for memory management tracking */ +#define MEM_HASH_SIZE 997 + +/* The node of the list containing currently allocated memory heaps */ + +typedef struct mem_hash_node_struct mem_hash_node_t; +struct mem_hash_node_struct { + UT_LIST_NODE_T(mem_hash_node_t) + list; /*!< hash list node */ + mem_heap_t* heap; /*!< memory heap */ + const char* file_name;/* file where heap was created*/ + ulint line; /*!< file line of creation */ + ulint nth_heap;/* this is the nth heap created */ + UT_LIST_NODE_T(mem_hash_node_t) + all_list;/* list of all created heaps */ +}; + +typedef UT_LIST_BASE_NODE_T(mem_hash_node_t) mem_hash_cell_t; + +/* The hash table of allocated heaps */ +static mem_hash_cell_t mem_hash_table[MEM_HASH_SIZE]; + +/* The base node of the list of all allocated heaps */ +static mem_hash_cell_t mem_all_list_base; + + + +UNIV_INLINE +mem_hash_cell_t* +mem_hash_get_nth_cell(ulint i); + +/* Accessor function for the hash table. Returns a pointer to the +table cell. */ +UNIV_INLINE +mem_hash_cell_t* +mem_hash_get_nth_cell(ulint i) +{ + ut_a(i < MEM_HASH_SIZE); + + return(&(mem_hash_table[i])); +} + +/* Accessor functions for a memory field in the debug version */ +UNIV_INTERN +void +mem_field_header_set_len(byte* field, ulint len) +{ + mach_write_to_4(field - 2 * sizeof(ulint), len); +} + +UNIV_INTERN +ulint +mem_field_header_get_len(byte* field) +{ + return(mach_read_from_4(field - 2 * sizeof(ulint))); +} + +UNIV_INTERN +void +mem_field_header_set_check(byte* field, ulint check) +{ + mach_write_to_4(field - sizeof(ulint), check); +} + +UNIV_INTERN +ulint +mem_field_header_get_check(byte* field) +{ + return(mach_read_from_4(field - sizeof(ulint))); +} + +UNIV_INTERN +void +mem_field_trailer_set_check(byte* field, ulint check) +{ + mach_write_to_4(field + mem_field_header_get_len(field), check); +} + +UNIV_INTERN +ulint +mem_field_trailer_get_check(byte* field) +{ + return(mach_read_from_4(field + + mem_field_header_get_len(field))); +} +#endif /* UNIV_MEM_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Initializes the memory system. */ +UNIV_INTERN +void +mem_init( +/*=====*/ + ulint size) /*!< in: common pool size in bytes */ +{ +#ifdef UNIV_MEM_DEBUG + + ulint i; + + /* Initialize the hash table */ + ut_a(FALSE == mem_hash_initialized); + + mutex_create(&mem_hash_mutex, SYNC_MEM_HASH); + + for (i = 0; i < MEM_HASH_SIZE; i++) { + UT_LIST_INIT(*mem_hash_get_nth_cell(i)); + } + + UT_LIST_INIT(mem_all_list_base); + + mem_hash_initialized = TRUE; +#endif + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + /* When innodb_use_sys_malloc is set, the + mem_comm_pool won't be used for any allocations. We + create a dummy mem_comm_pool, because some statistics + and debugging code relies on it being initialized. */ + size = 1; + } + + mem_comm_pool = mem_pool_create(size); +} + +/******************************************************************//** +Closes the memory system. */ +UNIV_INTERN +void +mem_close(void) +/*===========*/ +{ + mem_pool_free(mem_comm_pool); + mem_comm_pool = NULL; +#ifdef UNIV_MEM_DEBUG + mutex_free(&mem_hash_mutex); + mem_hash_initialized = FALSE; +#endif /* UNIV_MEM_DEBUG */ +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef UNIV_MEM_DEBUG +/******************************************************************//** +Initializes an allocated memory field in the debug version. */ +UNIV_INTERN +void +mem_field_init( +/*===========*/ + byte* buf, /*!< in: memory field */ + ulint n) /*!< in: how many bytes the user requested */ +{ + ulint rnd; + byte* usr_buf; + + usr_buf = buf + MEM_FIELD_HEADER_SIZE; + + /* In the debug version write the length field and the + check fields to the start and the end of the allocated storage. + The field header consists of a length field and + a random number field, in this order. The field trailer contains + the same random number as a check field. */ + + mem_field_header_set_len(usr_buf, n); + + rnd = ut_rnd_gen_ulint(); + + mem_field_header_set_check(usr_buf, rnd); + mem_field_trailer_set_check(usr_buf, rnd); + + /* Update the memory allocation information */ + + mutex_enter(&mem_hash_mutex); + + mem_total_allocated_memory += n; + mem_current_allocated_memory += n; + mem_n_allocations++; + + if (mem_current_allocated_memory > mem_max_allocated_memory) { + mem_max_allocated_memory = mem_current_allocated_memory; + } + + mutex_exit(&mem_hash_mutex); + + /* In the debug version set the buffer to a random + combination of 0xBA and 0xBE */ + + mem_init_buf(usr_buf, n); +} + +/******************************************************************//** +Erases an allocated memory field in the debug version. */ +UNIV_INTERN +void +mem_field_erase( +/*============*/ + byte* buf, /*!< in: memory field */ + ulint n __attribute__((unused))) + /*!< in: how many bytes the user requested */ +{ + byte* usr_buf; + + usr_buf = buf + MEM_FIELD_HEADER_SIZE; + + mutex_enter(&mem_hash_mutex); + mem_current_allocated_memory -= n; + mutex_exit(&mem_hash_mutex); + + /* Check that the field lengths agree */ + ut_ad(n == (ulint)mem_field_header_get_len(usr_buf)); + + /* In the debug version, set the freed space to a random + combination of 0xDE and 0xAD */ + + mem_erase_buf(buf, MEM_SPACE_NEEDED(n)); +} + +/***************************************************************//** +Initializes a buffer to a random combination of hex BA and BE. +Used to initialize allocated memory. */ +UNIV_INTERN +void +mem_init_buf( +/*=========*/ + byte* buf, /*!< in: pointer to buffer */ + ulint n) /*!< in: length of buffer */ +{ + byte* ptr; + + UNIV_MEM_ASSERT_W(buf, n); + + for (ptr = buf; ptr < buf + n; ptr++) { + + if (ut_rnd_gen_ibool()) { + *ptr = 0xBA; + } else { + *ptr = 0xBE; + } + } + + UNIV_MEM_INVALID(buf, n); +} + +/***************************************************************//** +Initializes a buffer to a random combination of hex DE and AD. +Used to erase freed memory. */ +UNIV_INTERN +void +mem_erase_buf( +/*==========*/ + byte* buf, /*!< in: pointer to buffer */ + ulint n) /*!< in: length of buffer */ +{ + byte* ptr; + + UNIV_MEM_ASSERT_W(buf, n); + + for (ptr = buf; ptr < buf + n; ptr++) { + if (ut_rnd_gen_ibool()) { + *ptr = 0xDE; + } else { + *ptr = 0xAD; + } + } + + UNIV_MEM_FREE(buf, n); +} + +/***************************************************************//** +Inserts a created memory heap to the hash table of current allocated +memory heaps. */ +UNIV_INTERN +void +mem_hash_insert( +/*============*/ + mem_heap_t* heap, /*!< in: the created heap */ + const char* file_name, /*!< in: file name of creation */ + ulint line) /*!< in: line where created */ +{ + mem_hash_node_t* new_node; + ulint cell_no ; + + ut_ad(mem_heap_check(heap)); + + mutex_enter(&mem_hash_mutex); + + cell_no = ut_hash_ulint((ulint)heap, MEM_HASH_SIZE); + + /* Allocate a new node to the list */ + new_node = ut_malloc(sizeof(mem_hash_node_t)); + + new_node->heap = heap; + new_node->file_name = file_name; + new_node->line = line; + new_node->nth_heap = mem_n_created_heaps; + + /* Insert into lists */ + UT_LIST_ADD_FIRST(list, *mem_hash_get_nth_cell(cell_no), new_node); + + UT_LIST_ADD_LAST(all_list, mem_all_list_base, new_node); + + mem_n_created_heaps++; + + mutex_exit(&mem_hash_mutex); +} + +/***************************************************************//** +Removes a memory heap (which is going to be freed by the caller) +from the list of live memory heaps. Returns the size of the heap +in terms of how much memory in bytes was allocated for the user of +the heap (not the total space occupied by the heap). +Also validates the heap. +NOTE: This function does not free the storage occupied by the +heap itself, only the node in the list of heaps. */ +UNIV_INTERN +void +mem_hash_remove( +/*============*/ + mem_heap_t* heap, /*!< in: the heap to be freed */ + const char* file_name, /*!< in: file name of freeing */ + ulint line) /*!< in: line where freed */ +{ + mem_hash_node_t* node; + ulint cell_no; + ibool error; + ulint size; + + ut_ad(mem_heap_check(heap)); + + mutex_enter(&mem_hash_mutex); + + cell_no = ut_hash_ulint((ulint)heap, MEM_HASH_SIZE); + + /* Look for the heap in the hash table list */ + node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(cell_no)); + + while (node != NULL) { + if (node->heap == heap) { + + break; + } + + node = UT_LIST_GET_NEXT(list, node); + } + + if (node == NULL) { + fprintf(stderr, + "Memory heap or buffer freed in %s line %lu" + " did not exist.\n", + file_name, (ulong) line); + ut_error; + } + + /* Remove from lists */ + UT_LIST_REMOVE(list, *mem_hash_get_nth_cell(cell_no), node); + + UT_LIST_REMOVE(all_list, mem_all_list_base, node); + + /* Validate the heap which will be freed */ + mem_heap_validate_or_print(node->heap, NULL, FALSE, &error, &size, + NULL, NULL); + if (error) { + fprintf(stderr, + "Inconsistency in memory heap or" + " buffer n:o %lu created\n" + "in %s line %lu and tried to free in %s line %lu.\n" + "Hex dump of 400 bytes around memory heap" + " first block start:\n", + node->nth_heap, node->file_name, (ulong) node->line, + file_name, (ulong) line); + ut_print_buf(stderr, (byte*)node->heap - 200, 400); + fputs("\nDump of the mem heap:\n", stderr); + mem_heap_validate_or_print(node->heap, NULL, TRUE, &error, + &size, NULL, NULL); + ut_error; + } + + /* Free the memory occupied by the node struct */ + ut_free(node); + + mem_current_allocated_memory -= size; + + mutex_exit(&mem_hash_mutex); +} +#endif /* UNIV_MEM_DEBUG */ + +#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG +/***************************************************************//** +Checks a memory heap for consistency and prints the contents if requested. +Outputs the sum of sizes of buffers given to the user (only in +the debug version), the physical size of the heap and the number of +blocks in the heap. In case of error returns 0 as sizes and number +of blocks. */ +UNIV_INTERN +void +mem_heap_validate_or_print( +/*=======================*/ + mem_heap_t* heap, /*!< in: memory heap */ + byte* top __attribute__((unused)), + /*!< in: calculate and validate only until + this top pointer in the heap is reached, + if this pointer is NULL, ignored */ + ibool print, /*!< in: if TRUE, prints the contents + of the heap; works only in + the debug version */ + ibool* error, /*!< out: TRUE if error */ + ulint* us_size,/*!< out: allocated memory + (for the user) in the heap, + if a NULL pointer is passed as this + argument, it is ignored; in the + non-debug version this is always -1 */ + ulint* ph_size,/*!< out: physical size of the heap, + if a NULL pointer is passed as this + argument, it is ignored */ + ulint* n_blocks) /*!< out: number of blocks in the heap, + if a NULL pointer is passed as this + argument, it is ignored */ +{ + mem_block_t* block; + ulint total_len = 0; + ulint block_count = 0; + ulint phys_len = 0; +#ifdef UNIV_MEM_DEBUG + ulint len; + byte* field; + byte* user_field; + ulint check_field; +#endif + + /* Pessimistically, we set the parameters to error values */ + if (us_size != NULL) { + *us_size = 0; + } + if (ph_size != NULL) { + *ph_size = 0; + } + if (n_blocks != NULL) { + *n_blocks = 0; + } + *error = TRUE; + + block = heap; + + if (block->magic_n != MEM_BLOCK_MAGIC_N) { + return; + } + + if (print) { + fputs("Memory heap:", stderr); + } + + while (block != NULL) { + phys_len += mem_block_get_len(block); + + if ((block->type == MEM_HEAP_BUFFER) + && (mem_block_get_len(block) > UNIV_PAGE_SIZE)) { + + fprintf(stderr, + "InnoDB: Error: mem block %p" + " length %lu > UNIV_PAGE_SIZE\n", + (void*) block, + (ulong) mem_block_get_len(block)); + /* error */ + + return; + } + +#ifdef UNIV_MEM_DEBUG + /* We can trace the fields of the block only in the debug + version */ + if (print) { + fprintf(stderr, " Block %ld:", block_count); + } + + field = (byte*)block + mem_block_get_start(block); + + if (top && (field == top)) { + + goto completed; + } + + while (field < (byte*)block + mem_block_get_free(block)) { + + /* Calculate the pointer to the storage + which was given to the user */ + + user_field = field + MEM_FIELD_HEADER_SIZE; + + len = mem_field_header_get_len(user_field); + + if (print) { + ut_print_buf(stderr, user_field, len); + putc('\n', stderr); + } + + total_len += len; + check_field = mem_field_header_get_check(user_field); + + if (check_field + != mem_field_trailer_get_check(user_field)) { + /* error */ + + fprintf(stderr, + "InnoDB: Error: block %lx mem" + " field %lx len %lu\n" + "InnoDB: header check field is" + " %lx but trailer %lx\n", + (ulint)block, + (ulint)field, len, check_field, + mem_field_trailer_get_check( + user_field)); + + return; + } + + /* Move to next field */ + field = field + MEM_SPACE_NEEDED(len); + + if (top && (field == top)) { + + goto completed; + } + + } + + /* At the end check that we have arrived to the first free + position */ + + if (field != (byte*)block + mem_block_get_free(block)) { + /* error */ + + fprintf(stderr, + "InnoDB: Error: block %lx end of" + " mem fields %lx\n" + "InnoDB: but block free at %lx\n", + (ulint)block, (ulint)field, + (ulint)((byte*)block + + mem_block_get_free(block))); + + return; + } + +#endif + + block = UT_LIST_GET_NEXT(list, block); + block_count++; + } +#ifdef UNIV_MEM_DEBUG +completed: +#endif + if (us_size != NULL) { + *us_size = total_len; + } + if (ph_size != NULL) { + *ph_size = phys_len; + } + if (n_blocks != NULL) { + *n_blocks = block_count; + } + *error = FALSE; +} + +/**************************************************************//** +Prints the contents of a memory heap. */ +static +void +mem_heap_print( +/*===========*/ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ibool error; + ulint us_size; + ulint phys_size; + ulint n_blocks; + + ut_ad(mem_heap_check(heap)); + + mem_heap_validate_or_print(heap, NULL, TRUE, &error, + &us_size, &phys_size, &n_blocks); + fprintf(stderr, + "\nheap type: %lu; size: user size %lu;" + " physical size %lu; blocks %lu.\n", + (ulong) heap->type, (ulong) us_size, + (ulong) phys_size, (ulong) n_blocks); + ut_a(!error); +} + +/**************************************************************//** +Validates the contents of a memory heap. +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_heap_validate( +/*==============*/ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ibool error; + ulint us_size; + ulint phys_size; + ulint n_blocks; + + ut_ad(mem_heap_check(heap)); + + mem_heap_validate_or_print(heap, NULL, FALSE, &error, &us_size, + &phys_size, &n_blocks); + if (error) { + mem_heap_print(heap); + } + + ut_a(!error); + + return(TRUE); +} +#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ + +#ifdef UNIV_DEBUG +/**************************************************************//** +Checks that an object is a memory heap (or a block of it). +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_heap_check( +/*===========*/ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +#ifdef UNIV_MEM_DEBUG +/*****************************************************************//** +TRUE if no memory is currently allocated. +@return TRUE if no heaps exist */ +UNIV_INTERN +ibool +mem_all_freed(void) +/*===============*/ +{ + mem_hash_node_t* node; + ulint heap_count = 0; + ulint i; + + mem_validate(); + + mutex_enter(&mem_hash_mutex); + + for (i = 0; i < MEM_HASH_SIZE; i++) { + + node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i)); + while (node != NULL) { + heap_count++; + node = UT_LIST_GET_NEXT(list, node); + } + } + + mutex_exit(&mem_hash_mutex); + + if (heap_count == 0) { +# ifndef UNIV_HOTBACKUP + ut_a(mem_pool_get_reserved(mem_comm_pool) == 0); +# endif /* !UNIV_HOTBACKUP */ + + return(TRUE); + } else { + return(FALSE); + } +} + +/*****************************************************************//** +Validates the dynamic memory allocation system. +@return TRUE if error */ +UNIV_INTERN +ibool +mem_validate_no_assert(void) +/*========================*/ +{ + mem_hash_node_t* node; + ulint n_heaps = 0; + ulint allocated_mem; + ulint ph_size; + ulint total_allocated_mem = 0; + ibool error = FALSE; + ulint n_blocks; + ulint i; + +# ifndef UNIV_HOTBACKUP + mem_pool_validate(mem_comm_pool); +# endif /* !UNIV_HOTBACKUP */ + + mutex_enter(&mem_hash_mutex); + + for (i = 0; i < MEM_HASH_SIZE; i++) { + + node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i)); + + while (node != NULL) { + n_heaps++; + + mem_heap_validate_or_print(node->heap, NULL, + FALSE, &error, + &allocated_mem, + &ph_size, &n_blocks); + + if (error) { + fprintf(stderr, + "\nERROR!!!!!!!!!!!!!!!!!!!" + "!!!!!!!!!!!!!!!!!!!!!!!\n\n" + "Inconsistency in memory heap" + " or buffer created\n" + "in %s line %lu.\n", + node->file_name, node->line); + + mutex_exit(&mem_hash_mutex); + + return(TRUE); + } + + total_allocated_mem += allocated_mem; + node = UT_LIST_GET_NEXT(list, node); + } + } + + if ((n_heaps == 0) && (mem_current_allocated_memory != 0)) { + error = TRUE; + } + + if (mem_total_allocated_memory < mem_current_allocated_memory) { + error = TRUE; + } + + if (mem_max_allocated_memory > mem_total_allocated_memory) { + error = TRUE; + } + + if (mem_n_created_heaps < n_heaps) { + error = TRUE; + } + + mutex_exit(&mem_hash_mutex); + + return(error); +} + +/************************************************************//** +Validates the dynamic memory +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_validate(void) +/*==============*/ +{ + ut_a(!mem_validate_no_assert()); + + return(TRUE); +} +#endif /* UNIV_MEM_DEBUG */ + +/************************************************************//** +Tries to find neigboring memory allocation blocks and dumps to stderr +the neighborhood of a given pointer. */ +UNIV_INTERN +void +mem_analyze_corruption( +/*===================*/ + void* ptr) /*!< in: pointer to place of possible corruption */ +{ + byte* p; + ulint i; + ulint dist; + + fputs("InnoDB: Apparent memory corruption: mem dump ", stderr); + ut_print_buf(stderr, (byte*)ptr - 250, 500); + + fputs("\nInnoDB: Scanning backward trying to find" + " previous allocated mem blocks\n", stderr); + + p = (byte*)ptr; + dist = 0; + + for (i = 0; i < 10; i++) { + for (;;) { + if (((ulint)p) % 4 == 0) { + + if (*((ulint*)p) == MEM_BLOCK_MAGIC_N) { + fprintf(stderr, + "Mem block at - %lu," + " file %s, line %lu\n", + (ulong) dist, + (p + sizeof(ulint)), + (ulong) + (*(ulint*)(p + 8 + + sizeof(ulint)))); + + break; + } + + if (*((ulint*)p) == MEM_FREED_BLOCK_MAGIC_N) { + fprintf(stderr, + "Freed mem block at - %lu," + " file %s, line %lu\n", + (ulong) dist, + (p + sizeof(ulint)), + (ulong) + (*(ulint*)(p + 8 + + sizeof(ulint)))); + + break; + } + } + + p--; + dist++; + } + + p--; + dist++; + } + + fprintf(stderr, + "InnoDB: Scanning forward trying to find next" + " allocated mem blocks\n"); + + p = (byte*)ptr; + dist = 0; + + for (i = 0; i < 10; i++) { + for (;;) { + if (((ulint)p) % 4 == 0) { + + if (*((ulint*)p) == MEM_BLOCK_MAGIC_N) { + fprintf(stderr, + "Mem block at + %lu, file %s," + " line %lu\n", + (ulong) dist, + (p + sizeof(ulint)), + (ulong) + (*(ulint*)(p + 8 + + sizeof(ulint)))); + + break; + } + + if (*((ulint*)p) == MEM_FREED_BLOCK_MAGIC_N) { + fprintf(stderr, + "Freed mem block at + %lu," + " file %s, line %lu\n", + (ulong) dist, + (p + sizeof(ulint)), + (ulong) + (*(ulint*)(p + 8 + + sizeof(ulint)))); + + break; + } + } + + p++; + dist++; + } + + p++; + dist++; + } +} + +#ifndef UNIV_HOTBACKUP +/*****************************************************************//** +Prints information of dynamic memory usage and currently allocated +memory heaps or buffers. Can only be used in the debug version. */ +static +void +mem_print_info_low( +/*===============*/ + ibool print_all) /*!< in: if TRUE, all heaps are printed, + else only the heaps allocated after the + previous call of this function */ +{ +#ifdef UNIV_MEM_DEBUG + mem_hash_node_t* node; + ulint n_heaps = 0; + ulint allocated_mem; + ulint ph_size; + ulint total_allocated_mem = 0; + ibool error; + ulint n_blocks; +#endif + FILE* outfile; + + /* outfile = fopen("ibdebug", "a"); */ + + outfile = stdout; + + fprintf(outfile, "\n"); + fprintf(outfile, + "________________________________________________________\n"); + fprintf(outfile, "MEMORY ALLOCATION INFORMATION\n\n"); + +#ifndef UNIV_MEM_DEBUG + + UT_NOT_USED(print_all); + + mem_pool_print_info(outfile, mem_comm_pool); + + fprintf(outfile, + "Sorry, non-debug version cannot give more memory info\n"); + + /* fclose(outfile); */ + + return; +#else + mutex_enter(&mem_hash_mutex); + + fprintf(outfile, "LIST OF CREATED HEAPS AND ALLOCATED BUFFERS: \n\n"); + + if (!print_all) { + fprintf(outfile, "AFTER THE LAST PRINT INFO\n"); + } + + node = UT_LIST_GET_FIRST(mem_all_list_base); + + while (node != NULL) { + n_heaps++; + + if (!print_all && node->nth_heap < mem_last_print_info) { + + goto next_heap; + } + + mem_heap_validate_or_print(node->heap, NULL, + FALSE, &error, &allocated_mem, + &ph_size, &n_blocks); + total_allocated_mem += allocated_mem; + + fprintf(outfile, + "%lu: file %s line %lu of size %lu phys.size %lu" + " with %lu blocks, type %lu\n", + node->nth_heap, node->file_name, node->line, + allocated_mem, ph_size, n_blocks, + (node->heap)->type); +next_heap: + node = UT_LIST_GET_NEXT(all_list, node); + } + + fprintf(outfile, "\n"); + + fprintf(outfile, "Current allocated memory : %lu\n", + mem_current_allocated_memory); + fprintf(outfile, "Current allocated heaps and buffers : %lu\n", + n_heaps); + fprintf(outfile, "Cumulative allocated memory : %lu\n", + mem_total_allocated_memory); + fprintf(outfile, "Maximum allocated memory : %lu\n", + mem_max_allocated_memory); + fprintf(outfile, "Cumulative created heaps and buffers : %lu\n", + mem_n_created_heaps); + fprintf(outfile, "Cumulative number of allocations : %lu\n", + mem_n_allocations); + + mem_last_print_info = mem_n_created_heaps; + + mutex_exit(&mem_hash_mutex); + + mem_pool_print_info(outfile, mem_comm_pool); + + /* mem_validate(); */ + + /* fclose(outfile); */ +#endif +} + +/*****************************************************************//** +Prints information of dynamic memory usage and currently allocated memory +heaps or buffers. Can only be used in the debug version. */ +UNIV_INTERN +void +mem_print_info(void) +/*================*/ +{ + mem_print_info_low(TRUE); +} + +/*****************************************************************//** +Prints information of dynamic memory usage and currently allocated memory +heaps or buffers since the last ..._print_info or..._print_new_info. */ +UNIV_INTERN +void +mem_print_new_info(void) +/*====================*/ +{ + mem_print_info_low(FALSE); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/mem/mem0mem.c b/perfschema/mem/mem0mem.c new file mode 100644 index 00000000000..c0ce8a3e1ac --- /dev/null +++ b/perfschema/mem/mem0mem.c @@ -0,0 +1,573 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file mem/mem0mem.c +The memory management + +Created 6/9/1994 Heikki Tuuri +*************************************************************************/ + +#include "mem0mem.h" +#ifdef UNIV_NONINL +#include "mem0mem.ic" +#endif + +#include "buf0buf.h" +#include "srv0srv.h" +#include "mem0dbg.c" +#include + +/* + THE MEMORY MANAGEMENT + ===================== + +The basic element of the memory management is called a memory +heap. A memory heap is conceptually a +stack from which memory can be allocated. The stack may grow infinitely. +The top element of the stack may be freed, or +the whole stack can be freed at one time. The advantage of the +memory heap concept is that we can avoid using the malloc and free +functions of C which are quite expensive, for example, on the Solaris + GCC +system (50 MHz Sparc, 1993) the pair takes 3 microseconds, +on Win NT + 100MHz Pentium, 2.5 microseconds. +When we use a memory heap, +we can allocate larger blocks of memory at a time and thus +reduce overhead. Slightly more efficient the method is when we +allocate the memory from the index page buffer pool, as we can +claim a new page fast. This is called buffer allocation. +When we allocate the memory from the dynamic memory of the +C environment, that is called dynamic allocation. + +The default way of operation of the memory heap is the following. +First, when the heap is created, an initial block of memory is +allocated. In dynamic allocation this may be about 50 bytes. +If more space is needed, additional blocks are allocated +and they are put into a linked list. +After the initial block, each allocated block is twice the size of the +previous, until a threshold is attained, after which the sizes +of the blocks stay the same. An exception is, of course, the case +where the caller requests a memory buffer whose size is +bigger than the threshold. In that case a block big enough must +be allocated. + +The heap is physically arranged so that if the current block +becomes full, a new block is allocated and always inserted in the +chain of blocks as the last block. + +In the debug version of the memory management, all the allocated +heaps are kept in a list (which is implemented as a hash table). +Thus we can notice if the caller tries to free an already freed +heap. In addition, each buffer given to the caller contains +start field at the start and a trailer field at the end of the buffer. + +The start field has the following content: +A. sizeof(ulint) bytes of field length (in the standard byte order) +B. sizeof(ulint) bytes of check field (a random number) + +The trailer field contains: +A. sizeof(ulint) bytes of check field (the same random number as at the start) + +Thus we can notice if something has been copied over the +borders of the buffer, which is illegal. +The memory in the buffers is initialized to a random byte sequence. +After freeing, all the blocks in the heap are set to random bytes +to help us discover errors which result from the use of +buffers in an already freed heap. */ + +#ifdef MEM_PERIODIC_CHECK + +ibool mem_block_list_inited; +/* List of all mem blocks allocated; protected by the mem_comm_pool mutex */ +UT_LIST_BASE_NODE_T(mem_block_t) mem_block_list; + +#endif + +/**********************************************************************//** +Duplicates a NUL-terminated string, allocated from a memory heap. +@return own: a copy of the string */ +UNIV_INTERN +char* +mem_heap_strdup( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* str) /*!< in: string to be copied */ +{ + return(mem_heap_dup(heap, str, strlen(str) + 1)); +} + +/**********************************************************************//** +Duplicate a block of data, allocated from a memory heap. +@return own: a copy of the data */ +UNIV_INTERN +void* +mem_heap_dup( +/*=========*/ + mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ + const void* data, /*!< in: data to be copied */ + ulint len) /*!< in: length of data, in bytes */ +{ + return(memcpy(mem_heap_alloc(heap, len), data, len)); +} + +/**********************************************************************//** +Concatenate two strings and return the result, using a memory heap. +@return own: the result */ +UNIV_INTERN +char* +mem_heap_strcat( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap where string is allocated */ + const char* s1, /*!< in: string 1 */ + const char* s2) /*!< in: string 2 */ +{ + char* s; + ulint s1_len = strlen(s1); + ulint s2_len = strlen(s2); + + s = mem_heap_alloc(heap, s1_len + s2_len + 1); + + memcpy(s, s1, s1_len); + memcpy(s + s1_len, s2, s2_len); + + s[s1_len + s2_len] = '\0'; + + return(s); +} + + +/****************************************************************//** +Helper function for mem_heap_printf. +@return length of formatted string, including terminating NUL */ +static +ulint +mem_heap_printf_low( +/*================*/ + char* buf, /*!< in/out: buffer to store formatted string + in, or NULL to just calculate length */ + const char* format, /*!< in: format string */ + va_list ap) /*!< in: arguments */ +{ + ulint len = 0; + + while (*format) { + + /* Does this format specifier have the 'l' length modifier. */ + ibool is_long = FALSE; + + /* Length of one parameter. */ + size_t plen; + + if (*format++ != '%') { + /* Non-format character. */ + + len++; + + if (buf) { + *buf++ = *(format - 1); + } + + continue; + } + + if (*format == 'l') { + is_long = TRUE; + format++; + } + + switch (*format++) { + case 's': + /* string */ + { + char* s = va_arg(ap, char*); + + /* "%ls" is a non-sensical format specifier. */ + ut_a(!is_long); + + plen = strlen(s); + len += plen; + + if (buf) { + memcpy(buf, s, plen); + buf += plen; + } + } + + break; + + case 'u': + /* unsigned int */ + { + char tmp[32]; + unsigned long val; + + /* We only support 'long' values for now. */ + ut_a(is_long); + + val = va_arg(ap, unsigned long); + + plen = sprintf(tmp, "%lu", val); + len += plen; + + if (buf) { + memcpy(buf, tmp, plen); + buf += plen; + } + } + + break; + + case '%': + + /* "%l%" is a non-sensical format specifier. */ + ut_a(!is_long); + + len++; + + if (buf) { + *buf++ = '%'; + } + + break; + + default: + ut_error; + } + } + + /* For the NUL character. */ + len++; + + if (buf) { + *buf = '\0'; + } + + return(len); +} + +/****************************************************************//** +A simple (s)printf replacement that dynamically allocates the space for the +formatted string from the given heap. This supports a very limited set of +the printf syntax: types 's' and 'u' and length modifier 'l' (which is +required for the 'u' type). +@return heap-allocated formatted string */ +UNIV_INTERN +char* +mem_heap_printf( +/*============*/ + mem_heap_t* heap, /*!< in: memory heap */ + const char* format, /*!< in: format string */ + ...) +{ + va_list ap; + char* str; + ulint len; + + /* Calculate length of string */ + len = 0; + va_start(ap, format); + len = mem_heap_printf_low(NULL, format, ap); + va_end(ap); + + /* Now create it for real. */ + str = mem_heap_alloc(heap, len); + va_start(ap, format); + mem_heap_printf_low(str, format, ap); + va_end(ap); + + return(str); +} + +/***************************************************************//** +Creates a memory heap block where data can be allocated. +@return own: memory heap block, NULL if did not succeed (only possible +for MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INTERN +mem_block_t* +mem_heap_create_block( +/*==================*/ + mem_heap_t* heap, /*!< in: memory heap or NULL if first block + should be created */ + ulint n, /*!< in: number of bytes needed for user data */ + ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or + MEM_HEAP_BUFFER */ + const char* file_name,/*!< in: file name where created */ + ulint line) /*!< in: line where created */ +{ +#ifndef UNIV_HOTBACKUP + buf_block_t* buf_block = NULL; +#endif /* !UNIV_HOTBACKUP */ + mem_block_t* block; + ulint len; + + ut_ad((type == MEM_HEAP_DYNAMIC) || (type == MEM_HEAP_BUFFER) + || (type == MEM_HEAP_BUFFER + MEM_HEAP_BTR_SEARCH)); + + if (heap && heap->magic_n != MEM_BLOCK_MAGIC_N) { + mem_analyze_corruption(heap); + } + + /* In dynamic allocation, calculate the size: block header + data. */ + len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); + +#ifndef UNIV_HOTBACKUP + if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { + + ut_ad(type == MEM_HEAP_DYNAMIC || n <= MEM_MAX_ALLOC_IN_BUF); + + block = mem_area_alloc(&len, mem_comm_pool); + } else { + len = UNIV_PAGE_SIZE; + + if ((type & MEM_HEAP_BTR_SEARCH) && heap) { + /* We cannot allocate the block from the + buffer pool, but must get the free block from + the heap header free block field */ + + buf_block = heap->free_block; + heap->free_block = NULL; + + if (UNIV_UNLIKELY(!buf_block)) { + + return(NULL); + } + } else { + buf_block = buf_block_alloc(0); + } + + block = (mem_block_t*) buf_block->frame; + } + + ut_ad(block); + block->buf_block = buf_block; + block->free_block = NULL; +#else /* !UNIV_HOTBACKUP */ + len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); + block = ut_malloc(len); + ut_ad(block); +#endif /* !UNIV_HOTBACKUP */ + + block->magic_n = MEM_BLOCK_MAGIC_N; + ut_strlcpy_rev(block->file_name, file_name, sizeof(block->file_name)); + block->line = line; + +#ifdef MEM_PERIODIC_CHECK + mem_pool_mutex_enter(); + + if (!mem_block_list_inited) { + mem_block_list_inited = TRUE; + UT_LIST_INIT(mem_block_list); + } + + UT_LIST_ADD_LAST(mem_block_list, mem_block_list, block); + + mem_pool_mutex_exit(); +#endif + mem_block_set_len(block, len); + mem_block_set_type(block, type); + mem_block_set_free(block, MEM_BLOCK_HEADER_SIZE); + mem_block_set_start(block, MEM_BLOCK_HEADER_SIZE); + + if (UNIV_UNLIKELY(heap == NULL)) { + /* This is the first block of the heap. The field + total_size should be initialized here */ + block->total_size = len; + } else { + /* Not the first allocation for the heap. This block's + total_length field should be set to undefined. */ + ut_d(block->total_size = ULINT_UNDEFINED); + UNIV_MEM_INVALID(&block->total_size, + sizeof block->total_size); + + heap->total_size += len; + } + + ut_ad((ulint)MEM_BLOCK_HEADER_SIZE < len); + + return(block); +} + +/***************************************************************//** +Adds a new block to a memory heap. +@return created block, NULL if did not succeed (only possible for +MEM_HEAP_BTR_SEARCH type heaps) */ +UNIV_INTERN +mem_block_t* +mem_heap_add_block( +/*===============*/ + mem_heap_t* heap, /*!< in: memory heap */ + ulint n) /*!< in: number of bytes user needs */ +{ + mem_block_t* block; + mem_block_t* new_block; + ulint new_size; + + ut_ad(mem_heap_check(heap)); + + block = UT_LIST_GET_LAST(heap->base); + + /* We have to allocate a new block. The size is always at least + doubled until the standard size is reached. After that the size + stays the same, except in cases where the caller needs more space. */ + + new_size = 2 * mem_block_get_len(block); + + if (heap->type != MEM_HEAP_DYNAMIC) { + /* From the buffer pool we allocate buffer frames */ + ut_a(n <= MEM_MAX_ALLOC_IN_BUF); + + if (new_size > MEM_MAX_ALLOC_IN_BUF) { + new_size = MEM_MAX_ALLOC_IN_BUF; + } + } else if (new_size > MEM_BLOCK_STANDARD_SIZE) { + + new_size = MEM_BLOCK_STANDARD_SIZE; + } + + if (new_size < n) { + new_size = n; + } + + new_block = mem_heap_create_block(heap, new_size, heap->type, + heap->file_name, heap->line); + if (new_block == NULL) { + + return(NULL); + } + + /* Add the new block as the last block */ + + UT_LIST_INSERT_AFTER(list, heap->base, block, new_block); + + return(new_block); +} + +/******************************************************************//** +Frees a block from a memory heap. */ +UNIV_INTERN +void +mem_heap_block_free( +/*================*/ + mem_heap_t* heap, /*!< in: heap */ + mem_block_t* block) /*!< in: block to free */ +{ + ulint type; + ulint len; +#ifndef UNIV_HOTBACKUP + buf_block_t* buf_block = block->buf_block; +#endif /* !UNIV_HOTBACKUP */ + + if (block->magic_n != MEM_BLOCK_MAGIC_N) { + mem_analyze_corruption(block); + } + + UT_LIST_REMOVE(list, heap->base, block); + +#ifdef MEM_PERIODIC_CHECK + mem_pool_mutex_enter(); + + UT_LIST_REMOVE(mem_block_list, mem_block_list, block); + + mem_pool_mutex_exit(); +#endif + + ut_ad(heap->total_size >= block->len); + heap->total_size -= block->len; + + type = heap->type; + len = block->len; + block->magic_n = MEM_FREED_BLOCK_MAGIC_N; + +#ifndef UNIV_HOTBACKUP + if (!srv_use_sys_malloc) { +#ifdef UNIV_MEM_DEBUG + /* In the debug version we set the memory to a random + combination of hex 0xDE and 0xAD. */ + + mem_erase_buf((byte*)block, len); +#else /* UNIV_MEM_DEBUG */ + UNIV_MEM_ASSERT_AND_FREE(block, len); +#endif /* UNIV_MEM_DEBUG */ + + } + if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { + + ut_ad(!buf_block); + mem_area_free(block, mem_comm_pool); + } else { + ut_ad(type & MEM_HEAP_BUFFER); + + buf_block_free(buf_block); + } +#else /* !UNIV_HOTBACKUP */ +#ifdef UNIV_MEM_DEBUG + /* In the debug version we set the memory to a random + combination of hex 0xDE and 0xAD. */ + + mem_erase_buf((byte*)block, len); +#else /* UNIV_MEM_DEBUG */ + UNIV_MEM_ASSERT_AND_FREE(block, len); +#endif /* UNIV_MEM_DEBUG */ + ut_free(block); +#endif /* !UNIV_HOTBACKUP */ +} + +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Frees the free_block field from a memory heap. */ +UNIV_INTERN +void +mem_heap_free_block_free( +/*=====================*/ + mem_heap_t* heap) /*!< in: heap */ +{ + if (UNIV_LIKELY_NULL(heap->free_block)) { + + buf_block_free(heap->free_block); + + heap->free_block = NULL; + } +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef MEM_PERIODIC_CHECK +/******************************************************************//** +Goes through the list of all allocated mem blocks, checks their magic +numbers, and reports possible corruption. */ +UNIV_INTERN +void +mem_validate_all_blocks(void) +/*=========================*/ +{ + mem_block_t* block; + + mem_pool_mutex_enter(); + + block = UT_LIST_GET_FIRST(mem_block_list); + + while (block) { + if (block->magic_n != MEM_BLOCK_MAGIC_N) { + mem_analyze_corruption(block); + } + + block = UT_LIST_GET_NEXT(mem_block_list, block); + } + + mem_pool_mutex_exit(); +} +#endif diff --git a/perfschema/mem/mem0pool.c b/perfschema/mem/mem0pool.c new file mode 100644 index 00000000000..c4f8af607e0 --- /dev/null +++ b/perfschema/mem/mem0pool.c @@ -0,0 +1,717 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file mem/mem0pool.c +The lowest-level memory management + +Created 5/12/1997 Heikki Tuuri +*************************************************************************/ + +#include "mem0pool.h" +#ifdef UNIV_NONINL +#include "mem0pool.ic" +#endif + +#include "srv0srv.h" +#include "sync0sync.h" +#include "ut0mem.h" +#include "ut0lst.h" +#include "ut0byte.h" +#include "mem0mem.h" + +/* We would like to use also the buffer frames to allocate memory. This +would be desirable, because then the memory consumption of the database +would be fixed, and we might even lock the buffer pool to the main memory. +The problem here is that the buffer management routines can themselves call +memory allocation, while the buffer pool mutex is reserved. + +The main components of the memory consumption are: + +1. buffer pool, +2. parsed and optimized SQL statements, +3. data dictionary cache, +4. log buffer, +5. locks for each transaction, +6. hash table for the adaptive index, +7. state and buffers for each SQL query currently being executed, +8. session for each user, and +9. stack for each OS thread. + +Items 1 and 2 are managed by an LRU algorithm. Items 5 and 6 can potentially +consume very much memory. Items 7 and 8 should consume quite little memory, +and the OS should take care of item 9, which too should consume little memory. + +A solution to the memory management: + +1. the buffer pool size is set separately; +2. log buffer size is set separately; +3. the common pool size for all the other entries, except 8, is set separately. + +Problems: we may waste memory if the common pool is set too big. Another +problem is the locks, which may take very much space in big transactions. +Then the shared pool size should be set very big. We can allow locks to take +space from the buffer pool, but the SQL optimizer is then unaware of the +usable size of the buffer pool. We could also combine the objects in the +common pool and the buffers in the buffer pool into a single LRU list and +manage it uniformly, but this approach does not take into account the parsing +and other costs unique to SQL statements. + +The locks for a transaction can be seen as a part of the state of the +transaction. Hence, they should be stored in the common pool. We still +have the problem of a very big update transaction, for example, which +will set very many x-locks on rows, and the locks will consume a lot +of memory, say, half of the buffer pool size. + +Another problem is what to do if we are not able to malloc a requested +block of memory from the common pool. Then we can request memory from +the operating system. If it does not help, a system error results. + +Because 5 and 6 may potentially consume very much memory, we let them grow +into the buffer pool. We may let the locks of a transaction take frames +from the buffer pool, when the corresponding memory heap block has grown to +the size of a buffer frame. Similarly for the hash node cells of the locks, +and for the adaptive index. Thus, for each individual transaction, its locks +can occupy at most about the size of the buffer frame of memory in the common +pool, and after that its locks will grow into the buffer pool. */ + +/** Mask used to extract the free bit from area->size */ +#define MEM_AREA_FREE 1 + +/** The smallest memory area total size */ +#define MEM_AREA_MIN_SIZE (2 * MEM_AREA_EXTRA_SIZE) + + +/** Data structure for a memory pool. The space is allocated using the buddy +algorithm, where free list i contains areas of size 2 to power i. */ +struct mem_pool_struct{ + byte* buf; /*!< memory pool */ + ulint size; /*!< memory common pool size */ + ulint reserved; /*!< amount of currently allocated + memory */ + mutex_t mutex; /*!< mutex protecting this struct */ + UT_LIST_BASE_NODE_T(mem_area_t) + free_list[64]; /*!< lists of free memory areas: an + area is put to the list whose number + is the 2-logarithm of the area size */ +}; + +/** The common memory pool */ +UNIV_INTERN mem_pool_t* mem_comm_pool = NULL; + +/* We use this counter to check that the mem pool mutex does not leak; +this is to track a strange assertion failure reported at +mysql@lists.mysql.com */ + +UNIV_INTERN ulint mem_n_threads_inside = 0; + +/********************************************************************//** +Reserves the mem pool mutex. */ +UNIV_INTERN +void +mem_pool_mutex_enter(void) +/*======================*/ +{ + mutex_enter(&(mem_comm_pool->mutex)); +} + +/********************************************************************//** +Releases the mem pool mutex. */ +UNIV_INTERN +void +mem_pool_mutex_exit(void) +/*=====================*/ +{ + mutex_exit(&(mem_comm_pool->mutex)); +} + +/********************************************************************//** +Returns memory area size. +@return size */ +UNIV_INLINE +ulint +mem_area_get_size( +/*==============*/ + mem_area_t* area) /*!< in: area */ +{ + return(area->size_and_free & ~MEM_AREA_FREE); +} + +/********************************************************************//** +Sets memory area size. */ +UNIV_INLINE +void +mem_area_set_size( +/*==============*/ + mem_area_t* area, /*!< in: area */ + ulint size) /*!< in: size */ +{ + area->size_and_free = (area->size_and_free & MEM_AREA_FREE) + | size; +} + +/********************************************************************//** +Returns memory area free bit. +@return TRUE if free */ +UNIV_INLINE +ibool +mem_area_get_free( +/*==============*/ + mem_area_t* area) /*!< in: area */ +{ +#if TRUE != MEM_AREA_FREE +# error "TRUE != MEM_AREA_FREE" +#endif + return(area->size_and_free & MEM_AREA_FREE); +} + +/********************************************************************//** +Sets memory area free bit. */ +UNIV_INLINE +void +mem_area_set_free( +/*==============*/ + mem_area_t* area, /*!< in: area */ + ibool free) /*!< in: free bit value */ +{ +#if TRUE != MEM_AREA_FREE +# error "TRUE != MEM_AREA_FREE" +#endif + area->size_and_free = (area->size_and_free & ~MEM_AREA_FREE) + | free; +} + +/********************************************************************//** +Creates a memory pool. +@return memory pool */ +UNIV_INTERN +mem_pool_t* +mem_pool_create( +/*============*/ + ulint size) /*!< in: pool size in bytes */ +{ + mem_pool_t* pool; + mem_area_t* area; + ulint i; + ulint used; + + pool = ut_malloc(sizeof(mem_pool_t)); + + /* We do not set the memory to zero (FALSE) in the pool, + but only when allocated at a higher level in mem0mem.c. + This is to avoid masking useful Purify warnings. */ + + pool->buf = ut_malloc_low(size, FALSE, TRUE); + pool->size = size; + + mutex_create(&pool->mutex, SYNC_MEM_POOL); + + /* Initialize the free lists */ + + for (i = 0; i < 64; i++) { + + UT_LIST_INIT(pool->free_list[i]); + } + + used = 0; + + while (size - used >= MEM_AREA_MIN_SIZE) { + + i = ut_2_log(size - used); + + if (ut_2_exp(i) > size - used) { + + /* ut_2_log rounds upward */ + + i--; + } + + area = (mem_area_t*)(pool->buf + used); + + mem_area_set_size(area, ut_2_exp(i)); + mem_area_set_free(area, TRUE); + UNIV_MEM_FREE(MEM_AREA_EXTRA_SIZE + (byte*) area, + ut_2_exp(i) - MEM_AREA_EXTRA_SIZE); + + UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area); + + used = used + ut_2_exp(i); + } + + ut_ad(size >= used); + + pool->reserved = 0; + + return(pool); +} + +/********************************************************************//** +Frees a memory pool. */ +UNIV_INTERN +void +mem_pool_free( +/*==========*/ + mem_pool_t* pool) /*!< in, own: memory pool */ +{ + ut_free(pool->buf); + ut_free(pool); +} + +/********************************************************************//** +Fills the specified free list. +@return TRUE if we were able to insert a block to the free list */ +static +ibool +mem_pool_fill_free_list( +/*====================*/ + ulint i, /*!< in: free list index */ + mem_pool_t* pool) /*!< in: memory pool */ +{ + mem_area_t* area; + mem_area_t* area2; + ibool ret; + + ut_ad(mutex_own(&(pool->mutex))); + + if (UNIV_UNLIKELY(i >= 63)) { + /* We come here when we have run out of space in the + memory pool: */ + + return(FALSE); + } + + area = UT_LIST_GET_FIRST(pool->free_list[i + 1]); + + if (area == NULL) { + if (UT_LIST_GET_LEN(pool->free_list[i + 1]) > 0) { + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: mem pool free list %lu" + " length is %lu\n" + "InnoDB: though the list is empty!\n", + (ulong) i + 1, + (ulong) + UT_LIST_GET_LEN(pool->free_list[i + 1])); + } + + ret = mem_pool_fill_free_list(i + 1, pool); + + if (ret == FALSE) { + + return(FALSE); + } + + area = UT_LIST_GET_FIRST(pool->free_list[i + 1]); + } + + if (UNIV_UNLIKELY(UT_LIST_GET_LEN(pool->free_list[i + 1]) == 0)) { + mem_analyze_corruption(area); + + ut_error; + } + + UT_LIST_REMOVE(free_list, pool->free_list[i + 1], area); + + area2 = (mem_area_t*)(((byte*)area) + ut_2_exp(i)); + UNIV_MEM_ALLOC(area2, MEM_AREA_EXTRA_SIZE); + + mem_area_set_size(area2, ut_2_exp(i)); + mem_area_set_free(area2, TRUE); + + UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area2); + + mem_area_set_size(area, ut_2_exp(i)); + + UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area); + + return(TRUE); +} + +/********************************************************************//** +Allocates memory from a pool. NOTE: This low-level function should only be +used in mem0mem.*! +@return own: allocated memory buffer */ +UNIV_INTERN +void* +mem_area_alloc( +/*===========*/ + ulint* psize, /*!< in: requested size in bytes; for optimum + space usage, the size should be a power of 2 + minus MEM_AREA_EXTRA_SIZE; + out: allocated size in bytes (greater than + or equal to the requested size) */ + mem_pool_t* pool) /*!< in: memory pool */ +{ + mem_area_t* area; + ulint size; + ulint n; + ibool ret; + + /* If we are using os allocator just make a simple call + to malloc */ + if (UNIV_LIKELY(srv_use_sys_malloc)) { + return(malloc(*psize)); + } + + size = *psize; + n = ut_2_log(ut_max(size + MEM_AREA_EXTRA_SIZE, MEM_AREA_MIN_SIZE)); + + mutex_enter(&(pool->mutex)); + mem_n_threads_inside++; + + ut_a(mem_n_threads_inside == 1); + + area = UT_LIST_GET_FIRST(pool->free_list[n]); + + if (area == NULL) { + ret = mem_pool_fill_free_list(n, pool); + + if (ret == FALSE) { + /* Out of memory in memory pool: we try to allocate + from the operating system with the regular malloc: */ + + mem_n_threads_inside--; + mutex_exit(&(pool->mutex)); + + return(ut_malloc(size)); + } + + area = UT_LIST_GET_FIRST(pool->free_list[n]); + } + + if (!mem_area_get_free(area)) { + fprintf(stderr, + "InnoDB: Error: Removing element from mem pool" + " free list %lu though the\n" + "InnoDB: element is not marked free!\n", + (ulong) n); + + mem_analyze_corruption(area); + + /* Try to analyze a strange assertion failure reported at + mysql@lists.mysql.com where the free bit IS 1 in the + hex dump above */ + + if (mem_area_get_free(area)) { + fprintf(stderr, + "InnoDB: Probably a race condition" + " because now the area is marked free!\n"); + } + + ut_error; + } + + if (UT_LIST_GET_LEN(pool->free_list[n]) == 0) { + fprintf(stderr, + "InnoDB: Error: Removing element from mem pool" + " free list %lu\n" + "InnoDB: though the list length is 0!\n", + (ulong) n); + mem_analyze_corruption(area); + + ut_error; + } + + ut_ad(mem_area_get_size(area) == ut_2_exp(n)); + + mem_area_set_free(area, FALSE); + + UT_LIST_REMOVE(free_list, pool->free_list[n], area); + + pool->reserved += mem_area_get_size(area); + + mem_n_threads_inside--; + mutex_exit(&(pool->mutex)); + + ut_ad(mem_pool_validate(pool)); + + *psize = ut_2_exp(n) - MEM_AREA_EXTRA_SIZE; + UNIV_MEM_ALLOC(MEM_AREA_EXTRA_SIZE + (byte*)area, *psize); + + return((void*)(MEM_AREA_EXTRA_SIZE + ((byte*)area))); +} + +/********************************************************************//** +Gets the buddy of an area, if it exists in pool. +@return the buddy, NULL if no buddy in pool */ +UNIV_INLINE +mem_area_t* +mem_area_get_buddy( +/*===============*/ + mem_area_t* area, /*!< in: memory area */ + ulint size, /*!< in: memory area size */ + mem_pool_t* pool) /*!< in: memory pool */ +{ + mem_area_t* buddy; + + ut_ad(size != 0); + + if (((((byte*)area) - pool->buf) % (2 * size)) == 0) { + + /* The buddy is in a higher address */ + + buddy = (mem_area_t*)(((byte*)area) + size); + + if ((((byte*)buddy) - pool->buf) + size > pool->size) { + + /* The buddy is not wholly contained in the pool: + there is no buddy */ + + buddy = NULL; + } + } else { + /* The buddy is in a lower address; NOTE that area cannot + be at the pool lower end, because then we would end up to + the upper branch in this if-clause: the remainder would be + 0 */ + + buddy = (mem_area_t*)(((byte*)area) - size); + } + + return(buddy); +} + +/********************************************************************//** +Frees memory to a pool. */ +UNIV_INTERN +void +mem_area_free( +/*==========*/ + void* ptr, /*!< in, own: pointer to allocated memory + buffer */ + mem_pool_t* pool) /*!< in: memory pool */ +{ + mem_area_t* area; + mem_area_t* buddy; + void* new_ptr; + ulint size; + ulint n; + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + free(ptr); + + return; + } + + /* It may be that the area was really allocated from the OS with + regular malloc: check if ptr points within our memory pool */ + + if ((byte*)ptr < pool->buf || (byte*)ptr >= pool->buf + pool->size) { + ut_free(ptr); + + return; + } + + area = (mem_area_t*) (((byte*)ptr) - MEM_AREA_EXTRA_SIZE); + + if (mem_area_get_free(area)) { + fprintf(stderr, + "InnoDB: Error: Freeing element to mem pool" + " free list though the\n" + "InnoDB: element is marked free!\n"); + + mem_analyze_corruption(area); + ut_error; + } + + size = mem_area_get_size(area); + UNIV_MEM_FREE(ptr, size - MEM_AREA_EXTRA_SIZE); + + if (size == 0) { + fprintf(stderr, + "InnoDB: Error: Mem area size is 0. Possibly a" + " memory overrun of the\n" + "InnoDB: previous allocated area!\n"); + + mem_analyze_corruption(area); + ut_error; + } + +#ifdef UNIV_LIGHT_MEM_DEBUG + if (((byte*)area) + size < pool->buf + pool->size) { + + ulint next_size; + + next_size = mem_area_get_size( + (mem_area_t*)(((byte*)area) + size)); + if (UNIV_UNLIKELY(!next_size || !ut_is_2pow(next_size))) { + fprintf(stderr, + "InnoDB: Error: Memory area size %lu," + " next area size %lu not a power of 2!\n" + "InnoDB: Possibly a memory overrun of" + " the buffer being freed here.\n", + (ulong) size, (ulong) next_size); + mem_analyze_corruption(area); + + ut_error; + } + } +#endif + buddy = mem_area_get_buddy(area, size, pool); + + n = ut_2_log(size); + + mutex_enter(&(pool->mutex)); + mem_n_threads_inside++; + + ut_a(mem_n_threads_inside == 1); + + if (buddy && mem_area_get_free(buddy) + && (size == mem_area_get_size(buddy))) { + + /* The buddy is in a free list */ + + if ((byte*)buddy < (byte*)area) { + new_ptr = ((byte*)buddy) + MEM_AREA_EXTRA_SIZE; + + mem_area_set_size(buddy, 2 * size); + mem_area_set_free(buddy, FALSE); + } else { + new_ptr = ptr; + + mem_area_set_size(area, 2 * size); + } + + /* Remove the buddy from its free list and merge it to area */ + + UT_LIST_REMOVE(free_list, pool->free_list[n], buddy); + + pool->reserved += ut_2_exp(n); + + mem_n_threads_inside--; + mutex_exit(&(pool->mutex)); + + mem_area_free(new_ptr, pool); + + return; + } else { + UT_LIST_ADD_FIRST(free_list, pool->free_list[n], area); + + mem_area_set_free(area, TRUE); + + ut_ad(pool->reserved >= size); + + pool->reserved -= size; + } + + mem_n_threads_inside--; + mutex_exit(&(pool->mutex)); + + ut_ad(mem_pool_validate(pool)); +} + +/********************************************************************//** +Validates a memory pool. +@return TRUE if ok */ +UNIV_INTERN +ibool +mem_pool_validate( +/*==============*/ + mem_pool_t* pool) /*!< in: memory pool */ +{ + mem_area_t* area; + mem_area_t* buddy; + ulint free; + ulint i; + + mutex_enter(&(pool->mutex)); + + free = 0; + + for (i = 0; i < 64; i++) { + + UT_LIST_VALIDATE(free_list, mem_area_t, pool->free_list[i], + (void) 0); + + area = UT_LIST_GET_FIRST(pool->free_list[i]); + + while (area != NULL) { + ut_a(mem_area_get_free(area)); + ut_a(mem_area_get_size(area) == ut_2_exp(i)); + + buddy = mem_area_get_buddy(area, ut_2_exp(i), pool); + + ut_a(!buddy || !mem_area_get_free(buddy) + || (ut_2_exp(i) != mem_area_get_size(buddy))); + + area = UT_LIST_GET_NEXT(free_list, area); + + free += ut_2_exp(i); + } + } + + ut_a(free + pool->reserved == pool->size); + + mutex_exit(&(pool->mutex)); + + return(TRUE); +} + +/********************************************************************//** +Prints info of a memory pool. */ +UNIV_INTERN +void +mem_pool_print_info( +/*================*/ + FILE* outfile,/*!< in: output file to write to */ + mem_pool_t* pool) /*!< in: memory pool */ +{ + ulint i; + + mem_pool_validate(pool); + + fprintf(outfile, "INFO OF A MEMORY POOL\n"); + + mutex_enter(&(pool->mutex)); + + for (i = 0; i < 64; i++) { + if (UT_LIST_GET_LEN(pool->free_list[i]) > 0) { + + fprintf(outfile, + "Free list length %lu for" + " blocks of size %lu\n", + (ulong) UT_LIST_GET_LEN(pool->free_list[i]), + (ulong) ut_2_exp(i)); + } + } + + fprintf(outfile, "Pool size %lu, reserved %lu.\n", (ulong) pool->size, + (ulong) pool->reserved); + mutex_exit(&(pool->mutex)); +} + +/********************************************************************//** +Returns the amount of reserved memory. +@return reserved memory in bytes */ +UNIV_INTERN +ulint +mem_pool_get_reserved( +/*==================*/ + mem_pool_t* pool) /*!< in: memory pool */ +{ + ulint reserved; + + mutex_enter(&(pool->mutex)); + + reserved = pool->reserved; + + mutex_exit(&(pool->mutex)); + + return(reserved); +} diff --git a/perfschema/mtr/mtr0log.c b/perfschema/mtr/mtr0log.c new file mode 100644 index 00000000000..3f3dab36b76 --- /dev/null +++ b/perfschema/mtr/mtr0log.c @@ -0,0 +1,612 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file mtr/mtr0log.c +Mini-transaction log routines + +Created 12/7/1995 Heikki Tuuri +*******************************************************/ + +#include "mtr0log.h" + +#ifdef UNIV_NONINL +#include "mtr0log.ic" +#endif + +#include "buf0buf.h" +#include "dict0dict.h" +#include "log0recv.h" +#include "page0page.h" + +#ifndef UNIV_HOTBACKUP +# include "dict0boot.h" + +/********************************************************//** +Catenates n bytes to the mtr log. */ +UNIV_INTERN +void +mlog_catenate_string( +/*=================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* str, /*!< in: string to write */ + ulint len) /*!< in: string length */ +{ + dyn_array_t* mlog; + + if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { + + return; + } + + mlog = &(mtr->log); + + dyn_push_string(mlog, str, len); +} + +/********************************************************//** +Writes the initial part of a log record consisting of one-byte item +type and four-byte space and page numbers. Also pushes info +to the mtr memo that a buffer page has been modified. */ +UNIV_INTERN +void +mlog_write_initial_log_record( +/*==========================*/ + const byte* ptr, /*!< in: pointer to (inside) a buffer + frame holding the file page where + modification is made */ + byte type, /*!< in: log item type: MLOG_1BYTE, ... */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + + ut_ad(type <= MLOG_BIGGEST_TYPE); + ut_ad(type > MLOG_8BYTES); + + log_ptr = mlog_open(mtr, 11); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr = mlog_write_initial_log_record_fast(ptr, type, log_ptr, mtr); + + mlog_close(mtr, log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Parses an initial log record written by mlog_write_initial_log_record. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_initial_log_record( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ + ulint* space, /*!< out: space id */ + ulint* page_no)/*!< out: page number */ +{ + if (end_ptr < ptr + 1) { + + return(NULL); + } + + *type = (byte)((ulint)*ptr & ~MLOG_SINGLE_REC_FLAG); + ut_ad(*type <= MLOG_BIGGEST_TYPE); + + ptr++; + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + ptr = mach_parse_compressed(ptr, end_ptr, space); + + if (ptr == NULL) { + + return(NULL); + } + + ptr = mach_parse_compressed(ptr, end_ptr, page_no); + + return(ptr); +} + +/********************************************************//** +Parses a log record written by mlog_write_ulint or mlog_write_dulint. +@return parsed record end, NULL if not a complete record or a corrupt record */ +UNIV_INTERN +byte* +mlog_parse_nbytes( +/*==============*/ + ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip)/*!< in/out: compressed page, or NULL */ +{ + ulint offset; + ulint val; + dulint dval; + + ut_a(type <= MLOG_8BYTES); + ut_a(!page || !page_zip || fil_page_get_type(page) != FIL_PAGE_INDEX); + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + ptr += 2; + + if (offset >= UNIV_PAGE_SIZE) { + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (type == MLOG_8BYTES) { + ptr = mach_dulint_parse_compressed(ptr, end_ptr, &dval); + + if (ptr == NULL) { + + return(NULL); + } + + if (page) { + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_8 + (((page_zip_des_t*) page_zip)->data + + offset, dval); + } + mach_write_to_8(page + offset, dval); + } + + return(ptr); + } + + ptr = mach_parse_compressed(ptr, end_ptr, &val); + + if (ptr == NULL) { + + return(NULL); + } + + switch (type) { + case MLOG_1BYTE: + if (UNIV_UNLIKELY(val > 0xFFUL)) { + goto corrupt; + } + if (page) { + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_1 + (((page_zip_des_t*) page_zip)->data + + offset, val); + } + mach_write_to_1(page + offset, val); + } + break; + case MLOG_2BYTES: + if (UNIV_UNLIKELY(val > 0xFFFFUL)) { + goto corrupt; + } + if (page) { + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_2 + (((page_zip_des_t*) page_zip)->data + + offset, val); + } + mach_write_to_2(page + offset, val); + } + break; + case MLOG_4BYTES: + if (page) { + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_4 + (((page_zip_des_t*) page_zip)->data + + offset, val); + } + mach_write_to_4(page + offset, val); + } + break; + default: + corrupt: + recv_sys->found_corrupt_log = TRUE; + ptr = NULL; + } + + return(ptr); +} + +/********************************************************//** +Writes 1 - 4 bytes to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_ulint( +/*=============*/ + byte* ptr, /*!< in: pointer where to write */ + ulint val, /*!< in: value to write */ + byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + + switch (type) { + case MLOG_1BYTE: + mach_write_to_1(ptr, val); + break; + case MLOG_2BYTES: + mach_write_to_2(ptr, val); + break; + case MLOG_4BYTES: + mach_write_to_4(ptr, val); + break; + default: + ut_error; + } + + log_ptr = mlog_open(mtr, 11 + 2 + 5); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr = mlog_write_initial_log_record_fast(ptr, type, log_ptr, mtr); + + mach_write_to_2(log_ptr, page_offset(ptr)); + log_ptr += 2; + + log_ptr += mach_write_compressed(log_ptr, val); + + mlog_close(mtr, log_ptr); +} + +/********************************************************//** +Writes 8 bytes to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_dulint( +/*==============*/ + byte* ptr, /*!< in: pointer where to write */ + dulint val, /*!< in: value to write */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + + ut_ad(ptr && mtr); + + mach_write_to_8(ptr, val); + + log_ptr = mlog_open(mtr, 11 + 2 + 9); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr = mlog_write_initial_log_record_fast(ptr, MLOG_8BYTES, + log_ptr, mtr); + + mach_write_to_2(log_ptr, page_offset(ptr)); + log_ptr += 2; + + log_ptr += mach_dulint_write_compressed(log_ptr, val); + + mlog_close(mtr, log_ptr); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Writes a string to a file page buffered in the buffer pool. Writes the +corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_write_string( +/*==============*/ + byte* ptr, /*!< in: pointer where to write */ + const byte* str, /*!< in: string to write */ + ulint len, /*!< in: string length */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ut_ad(ptr && mtr); + ut_a(len < UNIV_PAGE_SIZE); + + memcpy(ptr, str, len); + + mlog_log_string(ptr, len, mtr); +} + +/********************************************************//** +Logs a write of a string to a file page buffered in the buffer pool. +Writes the corresponding log record to the mini-transaction log. */ +UNIV_INTERN +void +mlog_log_string( +/*============*/ + byte* ptr, /*!< in: pointer written to */ + ulint len, /*!< in: string length */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + + ut_ad(ptr && mtr); + ut_ad(len <= UNIV_PAGE_SIZE); + + log_ptr = mlog_open(mtr, 30); + + /* If no logging is requested, we may return now */ + if (log_ptr == NULL) { + + return; + } + + log_ptr = mlog_write_initial_log_record_fast(ptr, MLOG_WRITE_STRING, + log_ptr, mtr); + mach_write_to_2(log_ptr, page_offset(ptr)); + log_ptr += 2; + + mach_write_to_2(log_ptr, len); + log_ptr += 2; + + mlog_close(mtr, log_ptr); + + mlog_catenate_string(mtr, ptr, len); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Parses a log record written by mlog_write_string. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_string( +/*==============*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + byte* page, /*!< in: page where to apply the log record, or NULL */ + void* page_zip)/*!< in/out: compressed page, or NULL */ +{ + ulint offset; + ulint len; + + ut_a(!page || !page_zip || fil_page_get_type(page) != FIL_PAGE_INDEX); + + if (end_ptr < ptr + 4) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + ptr += 2; + len = mach_read_from_2(ptr); + ptr += 2; + + if (UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) + || UNIV_UNLIKELY(len + offset) > UNIV_PAGE_SIZE) { + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (end_ptr < ptr + len) { + + return(NULL); + } + + if (page) { + if (UNIV_LIKELY_NULL(page_zip)) { + memcpy(((page_zip_des_t*) page_zip)->data + + offset, ptr, len); + } + memcpy(page + offset, ptr, len); + } + + return(ptr + len); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************//** +Opens a buffer for mlog, writes the initial log record and, +if needed, the field lengths of an index. +@return buffer, NULL if log mode MTR_LOG_NONE */ +UNIV_INTERN +byte* +mlog_open_and_write_index( +/*======================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* rec, /*!< in: index record or page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: log item type */ + ulint size) /*!< in: requested buffer size in bytes + (if 0, calls mlog_close() and returns NULL) */ +{ + byte* log_ptr; + const byte* log_start; + const byte* log_end; + + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + + if (!page_rec_is_comp(rec)) { + log_start = log_ptr = mlog_open(mtr, 11 + size); + if (!log_ptr) { + return(NULL); /* logging is disabled */ + } + log_ptr = mlog_write_initial_log_record_fast(rec, type, + log_ptr, mtr); + log_end = log_ptr + 11 + size; + } else { + ulint i; + ulint n = dict_index_get_n_fields(index); + /* total size needed */ + ulint total = 11 + size + (n + 2) * 2; + ulint alloc = total; + /* allocate at most DYN_ARRAY_DATA_SIZE at a time */ + if (alloc > DYN_ARRAY_DATA_SIZE) { + alloc = DYN_ARRAY_DATA_SIZE; + } + log_start = log_ptr = mlog_open(mtr, alloc); + if (!log_ptr) { + return(NULL); /* logging is disabled */ + } + log_end = log_ptr + alloc; + log_ptr = mlog_write_initial_log_record_fast(rec, type, + log_ptr, mtr); + mach_write_to_2(log_ptr, n); + log_ptr += 2; + mach_write_to_2(log_ptr, + dict_index_get_n_unique_in_tree(index)); + log_ptr += 2; + for (i = 0; i < n; i++) { + dict_field_t* field; + const dict_col_t* col; + ulint len; + + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + len = field->fixed_len; + ut_ad(len < 0x7fff); + if (len == 0 + && (col->len > 255 || col->mtype == DATA_BLOB)) { + /* variable-length field + with maximum length > 255 */ + len = 0x7fff; + } + if (col->prtype & DATA_NOT_NULL) { + len |= 0x8000; + } + if (log_ptr + 2 > log_end) { + mlog_close(mtr, log_ptr); + ut_a(total > (ulint) (log_ptr - log_start)); + total -= log_ptr - log_start; + alloc = total; + if (alloc > DYN_ARRAY_DATA_SIZE) { + alloc = DYN_ARRAY_DATA_SIZE; + } + log_start = log_ptr = mlog_open(mtr, alloc); + if (!log_ptr) { + return(NULL); /* logging is disabled */ + } + log_end = log_ptr + alloc; + } + mach_write_to_2(log_ptr, len); + log_ptr += 2; + } + } + if (size == 0) { + mlog_close(mtr, log_ptr); + log_ptr = NULL; + } else if (log_ptr + size > log_end) { + mlog_close(mtr, log_ptr); + log_ptr = mlog_open(mtr, size); + } + return(log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Parses a log record written by mlog_open_and_write_index. +@return parsed record end, NULL if not a complete record */ +UNIV_INTERN +byte* +mlog_parse_index( +/*=============*/ + byte* ptr, /*!< in: buffer */ + const byte* end_ptr,/*!< in: buffer end */ + ibool comp, /*!< in: TRUE=compact record format */ + dict_index_t** index) /*!< out, own: dummy index */ +{ + ulint i, n, n_uniq; + dict_table_t* table; + dict_index_t* ind; + + ut_ad(comp == FALSE || comp == TRUE); + + if (comp) { + if (end_ptr < ptr + 4) { + return(NULL); + } + n = mach_read_from_2(ptr); + ptr += 2; + n_uniq = mach_read_from_2(ptr); + ptr += 2; + ut_ad(n_uniq <= n); + if (end_ptr < ptr + n * 2) { + return(NULL); + } + } else { + n = n_uniq = 1; + } + table = dict_mem_table_create("LOG_DUMMY", DICT_HDR_SPACE, n, + comp ? DICT_TF_COMPACT : 0); + ind = dict_mem_index_create("LOG_DUMMY", "LOG_DUMMY", + DICT_HDR_SPACE, 0, n); + ind->table = table; + ind->n_uniq = (unsigned int) n_uniq; + if (n_uniq != n) { + ut_a(n_uniq + DATA_ROLL_PTR <= n); + ind->type = DICT_CLUSTERED; + } + if (comp) { + for (i = 0; i < n; i++) { + ulint len = mach_read_from_2(ptr); + ptr += 2; + /* The high-order bit of len is the NOT NULL flag; + the rest is 0 or 0x7fff for variable-length fields, + and 1..0x7ffe for fixed-length fields. */ + dict_mem_table_add_col( + table, NULL, NULL, + ((len + 1) & 0x7fff) <= 1 + ? DATA_BINARY : DATA_FIXBINARY, + len & 0x8000 ? DATA_NOT_NULL : 0, + len & 0x7fff); + + dict_index_add_col(ind, table, + dict_table_get_nth_col(table, i), + 0); + } + dict_table_add_system_columns(table, table->heap); + if (n_uniq != n) { + /* Identify DB_TRX_ID and DB_ROLL_PTR in the index. */ + ut_a(DATA_TRX_ID_LEN + == dict_index_get_nth_col(ind, DATA_TRX_ID - 1 + + n_uniq)->len); + ut_a(DATA_ROLL_PTR_LEN + == dict_index_get_nth_col(ind, DATA_ROLL_PTR - 1 + + n_uniq)->len); + ind->fields[DATA_TRX_ID - 1 + n_uniq].col + = &table->cols[n + DATA_TRX_ID]; + ind->fields[DATA_ROLL_PTR - 1 + n_uniq].col + = &table->cols[n + DATA_ROLL_PTR]; + } + } + /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ + ind->cached = TRUE; + *index = ind; + return(ptr); +} diff --git a/perfschema/mtr/mtr0mtr.c b/perfschema/mtr/mtr0mtr.c new file mode 100644 index 00000000000..f331924d63c --- /dev/null +++ b/perfschema/mtr/mtr0mtr.c @@ -0,0 +1,412 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file mtr/mtr0mtr.c +Mini-transaction buffer + +Created 11/26/1995 Heikki Tuuri +*******************************************************/ + +#include "mtr0mtr.h" + +#ifdef UNIV_NONINL +#include "mtr0mtr.ic" +#endif + +#include "buf0buf.h" +#include "buf0flu.h" +#include "page0types.h" +#include "mtr0log.h" +#include "log0log.h" + +#ifndef UNIV_HOTBACKUP +# include "log0recv.h" +/*****************************************************************//** +Releases the item in the slot given. */ +static +void +mtr_memo_slot_release( +/*==================*/ + mtr_t* mtr, /*!< in: mtr */ + mtr_memo_slot_t* slot) /*!< in: memo slot */ +{ + void* object; + ulint type; + + ut_ad(mtr); + ut_ad(slot); + +#ifndef UNIV_DEBUG + UT_NOT_USED(mtr); +#endif /* UNIV_DEBUG */ + + object = slot->object; + type = slot->type; + + if (UNIV_LIKELY(object != NULL)) { + if (type <= MTR_MEMO_BUF_FIX) { + buf_page_release((buf_block_t*)object, type); + } else if (type == MTR_MEMO_S_LOCK) { + rw_lock_s_unlock((rw_lock_t*)object); +#ifdef UNIV_DEBUG + } else if (type != MTR_MEMO_X_LOCK) { + ut_ad(type == MTR_MEMO_MODIFY); + ut_ad(mtr_memo_contains(mtr, object, + MTR_MEMO_PAGE_X_FIX)); +#endif /* UNIV_DEBUG */ + } else { + rw_lock_x_unlock((rw_lock_t*)object); + } + } + + slot->object = NULL; +} + +/**********************************************************//** +Releases the mlocks and other objects stored in an mtr memo. +They are released in the order opposite to which they were pushed +to the memo. */ +static +void +mtr_memo_pop_all( +/*=============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + mtr_memo_slot_t* slot; + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in + commit */ + memo = &(mtr->memo); + + offset = dyn_array_get_data_size(memo); + + while (offset > 0) { + offset -= sizeof(mtr_memo_slot_t); + slot = dyn_array_get_element(memo, offset); + + mtr_memo_slot_release(mtr, slot); + } +} + +/*****************************************************************//** +Releases the item in the slot given. */ +static +void +mtr_memo_slot_note_modification( +/*============================*/ + mtr_t* mtr, /*!< in: mtr */ + mtr_memo_slot_t* slot) /*!< in: memo slot */ +{ + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->modifications); + + if (slot->object != NULL && slot->type == MTR_MEMO_PAGE_X_FIX) { + buf_flush_note_modification((buf_block_t*) slot->object, mtr); + } +} + +/**********************************************************//** +Add the modified pages to the buffer flush list. They are released +in the order opposite to which they were pushed to the memo. NOTE! It is +essential that the x-rw-lock on a modified buffer page is not released +before buf_page_note_modification is called for that page! Otherwise, +some thread might race to modify it, and the flush list sort order on +lsn would be destroyed. */ +static +void +mtr_memo_note_modifications( +/*========================*/ + mtr_t* mtr) /*!< in: mtr */ +{ + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in + commit */ + memo = &mtr->memo; + + offset = dyn_array_get_data_size(memo); + + while (offset > 0) { + mtr_memo_slot_t* slot; + + offset -= sizeof(mtr_memo_slot_t); + slot = dyn_array_get_element(memo, offset); + + mtr_memo_slot_note_modification(mtr, slot); + } +} + +/************************************************************//** +Writes the contents of a mini-transaction log, if any, to the database log. */ +static +void +mtr_log_reserve_and_write( +/*======================*/ + mtr_t* mtr) /*!< in: mtr */ +{ + dyn_array_t* mlog; + dyn_block_t* block; + ulint data_size; + byte* first_data; + + ut_ad(mtr); + + mlog = &(mtr->log); + + first_data = dyn_block_get_data(mlog); + + if (mtr->n_log_recs > 1) { + mlog_catenate_ulint(mtr, MLOG_MULTI_REC_END, MLOG_1BYTE); + } else { + *first_data = (byte)((ulint)*first_data + | MLOG_SINGLE_REC_FLAG); + } + + if (mlog->heap == NULL) { + mtr->end_lsn = log_reserve_and_write_fast( + first_data, dyn_block_get_used(mlog), + &mtr->start_lsn); + if (mtr->end_lsn) { + + /* Success. We have the log mutex. + Add pages to flush list and exit */ + goto func_exit; + } + } + + data_size = dyn_array_get_data_size(mlog); + + /* Open the database log for log_write_low */ + mtr->start_lsn = log_reserve_and_open(data_size); + + if (mtr->log_mode == MTR_LOG_ALL) { + + block = mlog; + + while (block != NULL) { + log_write_low(dyn_block_get_data(block), + dyn_block_get_used(block)); + block = dyn_array_get_next_block(mlog, block); + } + } else { + ut_ad(mtr->log_mode == MTR_LOG_NONE); + /* Do nothing */ + } + + mtr->end_lsn = log_close(); + +func_exit: + if (mtr->modifications) { + mtr_memo_note_modifications(mtr); + } + + log_release(); +} +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +Commits a mini-transaction. */ +UNIV_INTERN +void +mtr_commit( +/*=======*/ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + ut_d(mtr->state = MTR_COMMITTING); + +#ifndef UNIV_HOTBACKUP + /* This is a dirty read, for debugging. */ + ut_ad(!recv_no_log_write); + + if (mtr->modifications && mtr->n_log_recs) { + mtr_log_reserve_and_write(mtr); + } + + mtr_memo_pop_all(mtr); +#endif /* !UNIV_HOTBACKUP */ + + ut_d(mtr->state = MTR_COMMITTED); + dyn_array_free(&(mtr->memo)); + dyn_array_free(&(mtr->log)); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Releases the latches stored in an mtr memo down to a savepoint. +NOTE! The mtr must not have made changes to buffer pages after the +savepoint, as these can be handled only by mtr_commit. */ +UNIV_INTERN +void +mtr_rollback_to_savepoint( +/*======================*/ + mtr_t* mtr, /*!< in: mtr */ + ulint savepoint) /*!< in: savepoint */ +{ + mtr_memo_slot_t* slot; + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + + memo = &(mtr->memo); + + offset = dyn_array_get_data_size(memo); + ut_ad(offset >= savepoint); + + while (offset > savepoint) { + offset -= sizeof(mtr_memo_slot_t); + + slot = dyn_array_get_element(memo, offset); + + ut_ad(slot->type != MTR_MEMO_MODIFY); + + /* We do not call mtr_memo_slot_note_modification() + because there MUST be no changes made to the buffer + pages after the savepoint */ + mtr_memo_slot_release(mtr, slot); + } +} + +/***************************************************//** +Releases an object in the memo stack. */ +UNIV_INTERN +void +mtr_memo_release( +/*=============*/ + mtr_t* mtr, /*!< in: mtr */ + void* object, /*!< in: object */ + ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ +{ + mtr_memo_slot_t* slot; + dyn_array_t* memo; + ulint offset; + + ut_ad(mtr); + ut_ad(mtr->magic_n == MTR_MAGIC_N); + ut_ad(mtr->state == MTR_ACTIVE); + + memo = &(mtr->memo); + + offset = dyn_array_get_data_size(memo); + + while (offset > 0) { + offset -= sizeof(mtr_memo_slot_t); + + slot = dyn_array_get_element(memo, offset); + + if (object == slot->object && type == slot->type) { + if (mtr->modifications) { + mtr_memo_slot_note_modification(mtr, slot); + } + + mtr_memo_slot_release(mtr, slot); + + break; + } + } +} +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************//** +Reads 1 - 4 bytes from a file page buffered in the buffer pool. +@return value read */ +UNIV_INTERN +ulint +mtr_read_ulint( +/*===========*/ + const byte* ptr, /*!< in: pointer from where to read */ + ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mini-transaction handle */ +{ + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); + if (type == MLOG_1BYTE) { + return(mach_read_from_1(ptr)); + } else if (type == MLOG_2BYTES) { + return(mach_read_from_2(ptr)); + } else { + ut_ad(type == MLOG_4BYTES); + return(mach_read_from_4(ptr)); + } +} + +/********************************************************//** +Reads 8 bytes from a file page buffered in the buffer pool. +@return value read */ +UNIV_INTERN +dulint +mtr_read_dulint( +/*============*/ + const byte* ptr, /*!< in: pointer from where to read */ + mtr_t* mtr __attribute__((unused))) + /*!< in: mini-transaction handle */ +{ + ut_ad(mtr->state == MTR_ACTIVE); + ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); + return(mach_read_from_8(ptr)); +} + +#ifdef UNIV_DEBUG +# ifndef UNIV_HOTBACKUP +/**********************************************************//** +Checks if memo contains the given page. +@return TRUE if contains */ +UNIV_INTERN +ibool +mtr_memo_contains_page( +/*===================*/ + mtr_t* mtr, /*!< in: mtr */ + const byte* ptr, /*!< in: pointer to buffer frame */ + ulint type) /*!< in: type of object */ +{ + return(mtr_memo_contains(mtr, buf_block_align(ptr), type)); +} + +/*********************************************************//** +Prints info of an mtr handle. */ +UNIV_INTERN +void +mtr_print( +/*======*/ + mtr_t* mtr) /*!< in: mtr */ +{ + fprintf(stderr, + "Mini-transaction handle: memo size %lu bytes" + " log size %lu bytes\n", + (ulong) dyn_array_get_data_size(&(mtr->memo)), + (ulong) dyn_array_get_data_size(&(mtr->log))); +} +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ diff --git a/perfschema/mysql-test/ctype_innodb_like.inc b/perfschema/mysql-test/ctype_innodb_like.inc new file mode 100644 index 00000000000..ae43342885a --- /dev/null +++ b/perfschema/mysql-test/ctype_innodb_like.inc @@ -0,0 +1,21 @@ +# +# Bug#11650: LIKE pattern matching using prefix index +# doesn't return correct result +# +--disable_warnings +# +# This query creates a column using +# character_set_connection and +# collation_connection. +# +create table t1 engine=innodb select repeat('a',50) as c1; +--enable_warnings +alter table t1 add index(c1(5)); + +insert into t1 values ('abcdefg'),('abcde100'),('abcde110'),('abcde111'); +select collation(c1) from t1 limit 1; +select c1 from t1 where c1 like 'abcdef%' order by c1; +select c1 from t1 where c1 like 'abcde1%' order by c1; +select c1 from t1 where c1 like 'abcde11%' order by c1; +select c1 from t1 where c1 like 'abcde111%' order by c1; +drop table t1; diff --git a/perfschema/mysql-test/have_innodb.inc b/perfschema/mysql-test/have_innodb.inc new file mode 100644 index 00000000000..8944cc46f3e --- /dev/null +++ b/perfschema/mysql-test/have_innodb.inc @@ -0,0 +1,4 @@ +disable_query_log; +--require r/true.require +select (support = 'YES' or support = 'DEFAULT' or support = 'ENABLED') as `TRUE` from information_schema.engines where engine = 'innodb'; +enable_query_log; diff --git a/perfschema/mysql-test/innodb-analyze.result b/perfschema/mysql-test/innodb-analyze.result new file mode 100644 index 00000000000..2aee004a2d6 --- /dev/null +++ b/perfschema/mysql-test/innodb-analyze.result @@ -0,0 +1,2 @@ +Variable_name Value +innodb_stats_sample_pages 1 diff --git a/perfschema/mysql-test/innodb-analyze.test b/perfschema/mysql-test/innodb-analyze.test new file mode 100644 index 00000000000..9bdb9db697c --- /dev/null +++ b/perfschema/mysql-test/innodb-analyze.test @@ -0,0 +1,65 @@ +# +# Test that mysqld does not crash when running ANALYZE TABLE with +# different values of the parameter innodb_stats_sample_pages. +# + +-- source include/have_innodb.inc + +# we care only that the following SQL commands do not produce errors +# and do not crash the server +-- disable_query_log +-- disable_result_log +-- enable_warnings + +let $sample_pages=`select @@innodb_stats_sample_pages`; +SET GLOBAL innodb_stats_sample_pages=0; + +# check that the value has been adjusted to 1 +-- enable_result_log +SHOW VARIABLES LIKE 'innodb_stats_sample_pages'; +-- disable_result_log + +CREATE TABLE innodb_analyze ( + a INT, + b INT, + KEY(a), + KEY(b,a) +) ENGINE=InnoDB; + +# test with empty table + +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=2; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=4; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=8; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=16; +ANALYZE TABLE innodb_analyze; + +INSERT INTO innodb_analyze VALUES +(1,1), (1,1), (1,2), (1,3), (1,4), (1,5), +(8,1), (8,8), (8,2), (7,1), (1,4), (3,5); + +SET GLOBAL innodb_stats_sample_pages=1; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=2; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=4; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=8; +ANALYZE TABLE innodb_analyze; + +SET GLOBAL innodb_stats_sample_pages=16; +ANALYZE TABLE innodb_analyze; + +DROP TABLE innodb_analyze; +EVAL SET GLOBAL innodb_stats_sample_pages=$sample_pages; diff --git a/perfschema/mysql-test/innodb-autoinc-44030.result b/perfschema/mysql-test/innodb-autoinc-44030.result new file mode 100644 index 00000000000..c0695bf0be0 --- /dev/null +++ b/perfschema/mysql-test/innodb-autoinc-44030.result @@ -0,0 +1,30 @@ +drop table if exists t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +d1 +1 +2 +SELECT * FROM t1; +d1 +1 +2 +INSERT INTO t1 VALUES(null); +Got one of the listed errors +ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `d1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`d1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +d1 +1 +2 +3 +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc-44030.test b/perfschema/mysql-test/innodb-autoinc-44030.test new file mode 100644 index 00000000000..af2e3015280 --- /dev/null +++ b/perfschema/mysql-test/innodb-autoinc-44030.test @@ -0,0 +1,34 @@ +-- source include/have_innodb.inc +# embedded server ignores 'delayed', so skip this +-- source include/not_embedded.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from +# the index (PRIMARY) +# This test requires a restart of the server +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (null); +INSERT INTO t1 VALUES (null); +ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; +SELECT * FROM t1; +# Restart the server +-- source include/restart_mysqld.inc +# The MySQL and InnoDB data dictionaries should now be out of sync. +# The select should print message to the error log +SELECT * FROM t1; +# MySQL have made a change (http://lists.mysql.com/commits/75268) that no +# longer results in the two data dictionaries being out of sync. If they +# revert their changes then this check for ER_AUTOINC_READ_FAILED will need +# to be enabled. Also, see http://bugs.mysql.com/bug.php?id=47621. +-- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 VALUES(null); +ALTER TABLE t1 AUTO_INCREMENT = 3; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES(null); +SELECT * FROM t1; +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc.result b/perfschema/mysql-test/innodb-autoinc.result new file mode 100644 index 00000000000..a36b3a1a865 --- /dev/null +++ b/perfschema/mysql-test/innodb-autoinc.result @@ -0,0 +1,1246 @@ +drop table if exists t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +9223372036854775807 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (127, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +127 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (255, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +255 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (32767, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +32767 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (65535, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +65535 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (8388607, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +8388607 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (16777215, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +16777215 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (2147483647, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +2147483647 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4294967295, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +4294967295 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +9223372036854775807 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (18446744073709551615, null); +INSERT INTO t1 (c2) VALUES ('innodb'); +Got one of the listed errors +SELECT * FROM t1; +c1 c2 +18446744073709551615 NULL +DROP TABLE t1; +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +TRUNCATE TABLE t1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +4 +5 +6 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DELETE FROM t1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +c1 +1 +2 +3 +7 +8 +9 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1); +INSERT INTO t1 VALUES (NULL,8); +SELECT * FROM t1; +c1 c2 +2 1 +3 8 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1), (NULL, 8); +INSERT INTO t1 VALUES (NULL,9); +SELECT * FROM t1; +c1 c2 +2 1 +3 8 +5 9 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(5),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +5 +10 +110 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +c1 +5 +10 +110 +250 +310 +400 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(0); +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +-1 +1 +2 +10 +110 +250 +410 +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +Got one of the listed errors +SELECT * FROM t1; +c1 +-1 +1 +2 +10 +110 +250 +410 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +c1 +-1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +-2 +-1 +1 +2 +10 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +c1 +-2 +-1 +1 +2 +10 +250 +310 +400 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (250); +INSERT INTO t1 VALUES (NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +310 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +310 +400 +1000 +1010 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +SELECT * FROM t1; +c1 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 100 +auto_increment_offset 10 +INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +410 +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +Got one of the listed errors +SELECT * FROM t1; +c1 +1 +2 +10 +110 +210 +250 +410 +1000 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (9223372036854775794); +SELECT * FROM t1; +c1 +1 +9223372036854775794 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 2 +auto_increment_offset 10 +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +c1 +1 +9223372036854775794 +9223372036854775796 +9223372036854775798 +9223372036854775800 +9223372036854775802 +9223372036854775804 +9223372036854775806 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 2 +auto_increment_offset 10 +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +18446744073709551604 +18446744073709551606 +18446744073709551608 +18446744073709551610 +18446744073709551612 +18446744073709551614 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 5 +auto_increment_offset 7 +INSERT INTO t1 VALUES (NULL),(NULL); +SELECT * FROM t1; +c1 +1 +18446744073709551603 +18446744073709551607 +18446744073709551612 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(-9223372036854775806); +INSERT INTO t1 VALUES(-9223372036854775807); +INSERT INTO t1 VALUES(-9223372036854775808); +SELECT * FROM t1; +c1 +-9223372036854775808 +-9223372036854775807 +-9223372036854775806 +1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 3 +auto_increment_offset 3 +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +c1 +-9223372036854775808 +-9223372036854775807 +-9223372036854775806 +1 +3 +6 +9 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551610); +SELECT * FROM t1; +c1 +1 +18446744073709551610 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; +Warnings: +Warning 1292 Truncated incorrect auto_increment_increment value: '1152921504606846976' +Warning 1292 Truncated incorrect auto_increment_offset value: '1152921504606846976' +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 65535 +auto_increment_offset 65535 +INSERT INTO t1 VALUES (NULL); +SELECT * FROM t1; +c1 +1 +18446744073709551610 +18446744073709551615 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +3 3 +4 4 +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +c1 c2 +1 1 +2 2 +3 3 +4 4 +DROP TABLE t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +DROP TABLE IF EXISTS t2; +Warnings: +Note 1051 Unknown table 't2' +CREATE TABLE t1 ( +a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, +b INT(10) UNSIGNED NOT NULL, +c ENUM('FALSE','TRUE') DEFAULT NULL, +PRIMARY KEY (a)) ENGINE = InnoDB; +CREATE TABLE t2 ( +m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, +n INT(10) UNSIGNED NOT NULL, +o enum('FALSE','TRUE') DEFAULT NULL, +PRIMARY KEY (m)) ENGINE = InnoDB; +INSERT INTO t2 (n,o) VALUES +(1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), +(3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `m` int(11) unsigned NOT NULL AUTO_INCREMENT, + `n` int(10) unsigned NOT NULL, + `o` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`m`) +) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +30 1 FALSE +31 2 FALSE +32 3 FALSE +33 4 FALSE +34 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1 +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +a b c +1 1 TRUE +2 1 FALSE +3 2 TRUE +4 2 FALSE +5 3 TRUE +6 3 FALSE +7 4 TRUE +8 4 FALSE +9 5 TRUE +10 5 FALSE +13 1 TRUE +14 1 FALSE +15 2 TRUE +16 2 FALSE +17 3 TRUE +18 3 FALSE +19 4 TRUE +20 4 FALSE +21 5 TRUE +22 5 FALSE +23 1 FALSE +24 2 FALSE +25 3 FALSE +26 4 FALSE +27 5 FALSE +30 1 FALSE +31 2 FALSE +32 3 FALSE +33 4 FALSE +34 5 FALSE +37 1 FALSE +38 2 FALSE +39 3 FALSE +40 4 FALSE +41 5 FALSE +44 1 FALSE +45 2 FALSE +46 3 FALSE +47 4 FALSE +48 5 FALSE +51 1 FALSE +52 2 FALSE +53 3 FALSE +54 4 FALSE +55 5 FALSE +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) unsigned NOT NULL AUTO_INCREMENT, + `b` int(10) unsigned NOT NULL, + `c` enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE t2; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +DROP TABLE IF EXISTS t2; +Warnings: +Note 1051 Unknown table 't2' +CREATE TABLE t1( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT +PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +CREATE TABLE t2( +c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT +PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t2 SELECT c1 FROM t1; +Got one of the listed errors +INSERT INTO t2 SELECT NULL FROM t1; +Got one of the listed errors +DROP TABLE t1; +DROP TABLE t2; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SHOW VARIABLES LIKE "%auto_inc%"; +Variable_name Value +auto_increment_increment 1 +auto_increment_offset 1 +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` tinyint(4) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-127 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-127, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` tinyint(3) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32767, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` smallint(6) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-32767 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-32757, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` smallint(5) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` mediumint(9) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-8388607 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-8388607, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-2147483647 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(10) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +-9223372036854775807 innodb +-1 innodb +1 NULL +2 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +Warnings: +Warning 1264 Out of range value for column 'c1' at row 1 +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) unsigned NOT NULL AUTO_INCREMENT, + `c2` varchar(10) DEFAULT NULL, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +SELECT * FROM t1; +c1 c2 +1 NULL +2 innodb +3 innodb +4 NULL +DROP TABLE t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + `c2` int(11) DEFAULT NULL, + PRIMARY KEY (`c1`), + KEY `i1` (`c2`) +) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; +c1 c2 +10 0 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` double NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` float NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +c1 +-1 +1 +2 +INSERT INTO t1 SET c1 = -1; +Got one of the listed errors +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +c1 +-1 +1 +2 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +2 +3 +4 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +4 +5 +6 +7 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +5 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc.test b/perfschema/mysql-test/innodb-autoinc.test new file mode 100644 index 00000000000..ef0359b78b0 --- /dev/null +++ b/perfschema/mysql-test/innodb-autoinc.test @@ -0,0 +1,664 @@ +-- source include/have_innodb.inc +# embedded server ignores 'delayed', so skip this +-- source include/not_embedded.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# Bug #34335 +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +## Test AUTOINC overflow +## + +# TINYINT +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (127, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (255, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# SMALLINT +# +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (32767, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (65535, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# MEDIUMINT +# +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (8388607, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (16777215, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# INT +# +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (2147483647, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4294967295, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; +# +# BIGINT +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (9223372036854775807, null); +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (18446744073709551615, null); +-- error ER_AUTOINC_READ_FAILED,1467 +INSERT INTO t1 (c2) VALUES ('innodb'); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Bug 37531 +# After truncate, auto_increment behaves incorrectly for InnoDB +# +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +TRUNCATE TABLE t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + +# +# Deleting all records should not reset the AUTOINC counter. +# +CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DELETE FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 VALUES (1), (2), (3); +INSERT INTO t1 VALUES (NULL), (NULL), (NULL); +SELECT c1 FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + +# +# Bug 38839 +# Reset the last value generated at end of statement +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1); +INSERT INTO t1 VALUES (NULL,8); +SELECT * FROM t1; +DROP TABLE t1; +# Bug 38839 -- same as above but for multi value insert +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL, 1); +DELETE FROM t1 WHERE c1 = 1; +INSERT INTO t1 VALUES (2,1), (NULL, 8); +INSERT INTO t1 VALUES (NULL,9); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Test changes to AUTOINC next value calculation +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(5),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with SIGNED INT column, by inserting a 0 for the first column value +# 0 is treated in the same was NULL. +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(0); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +SET @@INSERT_ID=400; +# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with SIGNED INT column +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with UNSIGNED INT column, single insert +# The sign in the value is ignored and a new column value is generated +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (2); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (250); +INSERT INTO t1 VALUES (NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# Test with UNSIGNED INT column, multi-value inserts +# The sign in the value is ignored and a new column value is generated +# Reset the AUTOINC session variables +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-1); +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); +INSERT INTO t1 VALUES (250),(NULL); +SELECT * FROM t1; +INSERT INTO t1 VALUES (1000); +SET @@INSERT_ID=400; +# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 VALUES(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment is > 1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (9223372036854775794); #-- 2^63 - 14 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should just fit +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment and offser are > 1 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't, it seems to be +# a MySQL server bug. It wraps around to 0 for the last value. +# See MySQL Bug# 39828 +# +# Instead of wrapping around, it asserts when MySQL is compiled --with-debug +# (see sql/handler.cc:handler::update_auto_increment()). Don't test for +# overflow until Bug #39828 is fixed. +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +#INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +#else +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +#endif +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for overflow handling when increment and offset are odd numbers +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't. It fails with +# a duplicate entry message because of a MySQL server bug, it wraps +# around. See MySQL Bug# 39828, once MySQL fix the bug we can replace +# the ER_DUP_ENTRY, 1062 below with the appropriate error message +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +# Still need to fix this error code, error should mention overflow +#-- error ER_DUP_ENTRY,1062 +#INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +#else +INSERT INTO t1 VALUES (NULL),(NULL); +#endif +SELECT * FROM t1; +DROP TABLE t1; + +# Check for overflow handling when increment and offset are odd numbers +# and check for large -ve numbers +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES(-9223372036854775806); #-- -2^63 + 2 +INSERT INTO t1 VALUES(-9223372036854775807); #-- -2^63 + 1 +INSERT INTO t1 VALUES(-9223372036854775808); #-- -2^63 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; +SHOW VARIABLES LIKE "%auto_inc%"; +INSERT INTO t1 VALUES (NULL),(NULL), (NULL); +SELECT * FROM t1; +DROP TABLE t1; +# +# Check for overflow handling when increment and offset are very +# large numbers 2^60 +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; +# TODO: Fix the autoinc init code +# We have to do this because of a bug in the AUTOINC init code. +INSERT INTO t1 VALUES(NULL); +INSERT INTO t1 VALUES (18446744073709551610); #-- 2^64 - 2 +SELECT * FROM t1; +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; +SHOW VARIABLES LIKE "%auto_inc%"; +# This should fail because of overflow but it doesn't. It wraps around +# and the autoinc values look bogus too. +# See MySQL Bug# 39828, once MySQL fix the bug we can enable the error +# code expected test. +# -- error ER_AUTOINC_READ_FAILED,1467 +# +# Since this asserts when compiled --with-debug, we can't properly test this +# until Bug #39828 is fixed. For now, this test is meaningless. +#if Bug #39828 is fixed +#-- error ER_AUTOINC_READ_FAILED,1467 +#INSERT INTO t1 VALUES (NULL),(NULL); +#else +INSERT INTO t1 VALUES (NULL); +#endif +SELECT * FROM t1; +DROP TABLE t1; + +# +# Check for floating point autoinc column handling +# +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SET @@INSERT_ID=1; +SHOW VARIABLES LIKE "%auto_inc%"; +CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES(NULL, 1); +INSERT INTO t1 VALUES(NULL, 2); +SELECT * FROM t1; +ALTER TABLE t1 CHANGE c1 c1 SERIAL; +SELECT * FROM t1; +INSERT INTO t1 VALUES(NULL, 3); +INSERT INTO t1 VALUES(NULL, 4); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Bug# 42714: AUTOINC column calculated next value not greater than highest +# value stored in table. +# +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +CREATE TABLE t1 ( + a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, + b INT(10) UNSIGNED NOT NULL, + c ENUM('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (a)) ENGINE = InnoDB; +CREATE TABLE t2 ( + m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, + n INT(10) UNSIGNED NOT NULL, + o enum('FALSE','TRUE') DEFAULT NULL, + PRIMARY KEY (m)) ENGINE = InnoDB; +INSERT INTO t2 (n,o) VALUES + (1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), + (3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); +SHOW CREATE TABLE t2; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SHOW CREATE TABLE t1; +INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +DROP TABLE t2; +# +# 43203: Overflow from auto incrementing causes server segv +# + +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +CREATE TABLE t1( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT + PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); +CREATE TABLE t2( + c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT + PRIMARY KEY) ENGINE=InnoDB; +-- error ER_DUP_ENTRY,1062 +INSERT INTO t2 SELECT c1 FROM t1; +-- error ER_DUP_ENTRY,1467 +INSERT INTO t2 SELECT NULL FROM t1; +DROP TABLE t1; +DROP TABLE t2; + +# If the user has specified negative values for an AUTOINC column then +# InnoDB should ignore those values when setting the table's max value. +SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; +SHOW VARIABLES LIKE "%auto_inc%"; +# TINYINT +CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-127, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# SMALLINT +# +CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32767, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-32757, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# MEDIUMINT +# +CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-8388607, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# INT +# +CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-2147483647, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# BIGINT +# +CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1, NULL); +INSERT INTO t1 VALUES (-1, 'innodb'); +INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); +INSERT INTO t1 VALUES (NULL, NULL); +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; +# +# End negative number check + +## +# 47125: auto_increment start value is ignored if an index is created +# and engine=innodb +# +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; +DROP TABLE t1; + +## +# 49032: Use the correct function to read the AUTOINC column value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; + +## +# 47720: REPLACE INTO Autoincrement column with negative values +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 SET c1 = -1; +SHOW CREATE TABLE t1; +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + +## +# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-consistent-master.opt b/perfschema/mysql-test/innodb-consistent-master.opt new file mode 100644 index 00000000000..cb48f1aaf60 --- /dev/null +++ b/perfschema/mysql-test/innodb-consistent-master.opt @@ -0,0 +1 @@ +--loose-innodb_lock_wait_timeout=2 diff --git a/perfschema/mysql-test/innodb-consistent.result b/perfschema/mysql-test/innodb-consistent.result new file mode 100644 index 00000000000..9115791b99c --- /dev/null +++ b/perfschema/mysql-test/innodb-consistent.result @@ -0,0 +1,35 @@ +drop table if exists t1; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; +begin; +replace into t1 select * from t2; +set session transaction isolation level read committed; +set autocommit=0; +delete from t2 where a=5; +commit; +delete from t2; +commit; +commit; +begin; +insert into t1 select * from t2; +set session transaction isolation level read committed; +set autocommit=0; +delete from t2 where a=5; +commit; +delete from t2; +commit; +commit; +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; +drop table t2; diff --git a/perfschema/mysql-test/innodb-consistent.test b/perfschema/mysql-test/innodb-consistent.test new file mode 100644 index 00000000000..bf829a74ea2 --- /dev/null +++ b/perfschema/mysql-test/innodb-consistent.test @@ -0,0 +1,58 @@ +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do +# a consistent read of the source table. + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; + +# REPLACE INTO ... SELECT case +begin; +# this should not result in any locks on t2. +replace into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cause a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +# INSERT INTO ... SELECT case +begin; +# this should not result in any locks on t2. +insert into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cause a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +select * from t1; +drop table t1; +drop table t2; + +connection default; +disconnect a; +disconnect b; diff --git a/perfschema/mysql-test/innodb-index.inc b/perfschema/mysql-test/innodb-index.inc new file mode 100644 index 00000000000..37de3162abe --- /dev/null +++ b/perfschema/mysql-test/innodb-index.inc @@ -0,0 +1,26 @@ +--eval create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=$charset +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); +commit; +--error ER_DUP_ENTRY +alter table t1 add unique index (b); +insert into t1 values(8,9,'fff','fff'); +select * from t1; +show create table t1; +alter table t1 add index (b); +insert into t1 values(10,10,'kkk','iii'); +select * from t1; +select * from t1 force index(b) order by b; +explain select * from t1 force index(b) order by b; +show create table t1; +alter table t1 add unique index (c), add index (d); +insert into t1 values(11,11,'aaa','mmm'); +select * from t1; +select * from t1 force index(b) order by b; +select * from t1 force index(c) order by c; +select * from t1 force index(d) order by d; +explain select * from t1 force index(b) order by b; +explain select * from t1 force index(c) order by c; +explain select * from t1 force index(d) order by d; +show create table t1; +check table t1; +drop table t1; diff --git a/perfschema/mysql-test/innodb-index.result b/perfschema/mysql-test/innodb-index.result new file mode 100644 index 00000000000..f384b825a2c --- /dev/null +++ b/perfschema/mysql-test/innodb-index.result @@ -0,0 +1,1165 @@ +create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; +insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); +commit; +alter table t1 add index b (b), add index b (b); +ERROR 42000: Duplicate key name 'b' +alter table t1 add index (b,b); +ERROR 42S21: Duplicate column name 'b' +alter table t1 add index d2 (d); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + KEY `d2` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +explain select * from t1 force index(d2) order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL d2 23 NULL 4 +select * from t1 force index (d2) order by d; +a b c d +3 4 ad ad +2 3 ak ak +5 5 oo oo +4 4 tr tr +alter table t1 add unique index (b); +ERROR 23000: Duplicate entry '4' for key 'b' +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + KEY `d2` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add index (b); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + KEY `d2` (`d`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add unique index (c), add index (d); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + UNIQUE KEY `c` (`c`), + KEY `d2` (`d`), + KEY `b` (`b`), + KEY `d` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 10 NULL 4 +alter table t1 add primary key (a), drop index c; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `d2` (`d`), + KEY `b` (`b`), + KEY `d` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add primary key (c); +ERROR 42000: Multiple primary key defined +alter table t1 drop primary key, add primary key (b); +ERROR 23000: Duplicate entry '4' for key 'PRIMARY' +create unique index c on t1 (c); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `c` (`c`), + KEY `d2` (`d`), + KEY `b` (`b`), + KEY `d` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 10 NULL 4 +select * from t1 force index(c) order by c; +a b c d +3 4 ad ad +2 3 ak ak +5 5 oo oo +4 4 tr tr +alter table t1 drop index b, add index (b); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `c` (`c`), + KEY `d2` (`d`), + KEY `d` (`d`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +insert into t1 values(6,1,'ggg','ggg'); +select * from t1; +a b c d +2 3 ak ak +3 4 ad ad +4 4 tr tr +5 5 oo oo +6 1 ggg ggg +select * from t1 force index(b) order by b; +a b c d +6 1 ggg ggg +2 3 ak ak +3 4 ad ad +4 4 tr tr +5 5 oo oo +select * from t1 force index(c) order by c; +a b c d +3 4 ad ad +2 3 ak ak +6 1 ggg ggg +5 5 oo oo +4 4 tr tr +select * from t1 force index(d) order by d; +a b c d +3 4 ad ad +2 3 ak ak +6 1 ggg ggg +5 5 oo oo +4 4 tr tr +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 5 NULL 5 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 10 NULL 5 +explain select * from t1 force index(d) order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL d 23 NULL 5 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) NOT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `c` (`c`), + KEY `d2` (`d`), + KEY `d` (`d`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add index (c(2)); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `c` (`c`(2)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add unique index (d(10)); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `d` (`d`(10)), + KEY `c` (`c`(2)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +insert into t1 values(5,1,'ggg','ggg'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 3 ad ad +4 4 afe afe +5 1 ggg ggg +select * from t1 force index(c) order by c; +a b c d +1 1 ab ab +2 2 ac ac +3 3 ad ad +4 4 afe afe +5 1 ggg ggg +select * from t1 force index(d) order by d; +a b c d +1 1 ab ab +2 2 ac ac +3 3 ad ad +4 4 afe afe +5 1 ggg ggg +explain select * from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort +explain select * from t1 force index(d) order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `d` (`d`(10)), + KEY `c` (`c`(2)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 drop index d; +insert into t1 values(8,9,'fff','fff'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 3 ad ad +4 4 afe afe +5 1 ggg ggg +8 9 fff fff +select * from t1 force index(c) order by c; +a b c d +1 1 ab ab +2 2 ac ac +3 3 ad ad +4 4 afe afe +8 9 fff fff +5 1 ggg ggg +explain select * from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort +explain select * from t1 order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `c` (`c`(2)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add unique index (b,c); +insert into t1 values(8,9,'fff','fff'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 16 NULL 5 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b` (`b`,`c`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add index (b,c); +insert into t1 values(11,11,'kkk','kkk'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +11 11 kkk kkk +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +11 11 kkk kkk +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 16 NULL 6 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b` (`b`,`c`), + KEY `b_2` (`b`,`c`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 add unique index (c,d); +insert into t1 values(13,13,'yyy','aaa'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +11 11 kkk kkk +13 13 yyy aaa +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +11 11 kkk kkk +13 13 yyy aaa +select * from t1 force index(c) order by c; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +11 11 kkk kkk +13 13 yyy aaa +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 16 NULL 7 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 34 NULL 7 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b` (`b`,`c`), + UNIQUE KEY `c` (`c`,`d`), + KEY `b_2` (`b`,`c`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; +create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; +create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; +create table t2(a int not null, b int not null, c int not null, d int not null, e int, +foreign key (b) references t1(b) on delete cascade, +foreign key (c) references t3(c), foreign key (d) references t4(d)) +engine = innodb; +alter table t1 drop index b; +ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint +alter table t3 drop index c; +ERROR HY000: Cannot drop index 'c': needed in a foreign key constraint +alter table t4 drop index d; +ERROR HY000: Cannot drop index 'd': needed in a foreign key constraint +alter table t2 drop index b; +ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint +alter table t2 drop index b, drop index c, drop index d; +ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint +create unique index dc on t2 (d,c); +create index dc on t1 (b,c); +alter table t2 add primary key (a); +insert into t1 values (1,1,1); +insert into t3 values (1,1,1); +insert into t4 values (1,1,1); +insert into t2 values (1,1,1,1,1); +commit; +alter table t4 add constraint dc foreign key (a) references t1(a); +show create table t4; +Table Create Table +t4 CREATE TABLE `t4` ( + `a` int(11) NOT NULL, + `d` int(11) NOT NULL, + `e` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `d` (`d`), + CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t3 add constraint dc foreign key (a) references t1(a); +ERROR HY000: Can't create table '#sql-temporary' (errno: 121) +show create table t3; +Table Create Table +t3 CREATE TABLE `t3` ( + `a` int(11) NOT NULL, + `c` int(11) NOT NULL, + `d` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `c` (`c`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t2 drop index b, add index (b); +ERROR 42000: Incorrect index name 'b' +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) NOT NULL, + `b` int(11) NOT NULL, + `c` int(11) NOT NULL, + `d` int(11) NOT NULL, + `e` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `dc` (`d`,`c`), + KEY `b` (`b`), + KEY `c` (`c`), + CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE, + CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`), + CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +delete from t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) +drop index dc on t4; +ERROR 42000: Can't DROP 'dc'; check that column/key exists +alter table t3 drop foreign key dc; +ERROR HY000: Error on rename of './test/t3' to '#sql2-temporary' (errno: 152) +alter table t4 drop foreign key dc; +select * from t2; +a b c d e +1 1 1 1 1 +delete from t1; +select * from t2; +a b c d e +drop table t2,t4,t3,t1; +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=utf8; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add unique index (b); +ERROR 23000: Duplicate entry '2' for key 'b' +insert into t1 values(8,9,'fff','fff'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 +alter table t1 add index (b); +insert into t1 values(10,10,'kkk','iii'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 5 NULL 6 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 +alter table t1 add unique index (c), add index (d); +insert into t1 values(11,11,'aaa','mmm'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +select * from t1 force index(c) order by c; +a b c d +11 11 aaa mmm +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +select * from t1 force index(d) order by d; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 5 NULL 7 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 31 NULL 7 +explain select * from t1 force index(d) order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL d 63 NULL 7 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `c` (`c`), + KEY `b` (`b`), + KEY `d` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +drop table t1; +create table t1(a int not null, b int) engine = innodb; +insert into t1 values (1,1),(1,1),(1,1),(1,1); +alter table t1 add unique index (a); +ERROR 23000: Duplicate entry '1' for key 'a' +alter table t1 add unique index (b); +ERROR 23000: Duplicate entry '1' for key 'b' +alter table t1 add unique index (a), add unique index(b); +ERROR 23000: Duplicate entry '1' for key 'a' +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; +alter table t1 drop index c, drop index b; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `c` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int, primary key(a)) engine = innodb; +alter table t1 add index (b); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); +alter table t1 add unique index (b), add unique index (c), add unique index (d); +ERROR 23000: Duplicate entry '4' for key 'b' +alter table t1 add unique index (c), add unique index (b), add index (d); +ERROR 23000: Duplicate entry 'ac' for key 'c' +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; +insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); +alter table t1 add unique index (b); +insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) NOT NULL, + `c` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b` (`b`), + KEY `c` (`c`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 5 NULL 9 +explain select * from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 9 +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 4 NULL 9 +select * from t1 order by a; +a b c +1 5 1 +2 4 2 +3 3 3 +4 2 4 +5 1 5 +10 20 20 +11 19 19 +12 18 18 +13 17 17 +select * from t1 force index(b) order by b; +a b c +5 1 5 +4 2 4 +3 3 3 +2 4 2 +1 5 1 +13 17 17 +12 18 18 +11 19 19 +10 20 20 +select * from t1 force index(c) order by c; +a b c +1 5 1 +2 4 2 +3 3 3 +4 2 4 +5 1 5 +13 17 17 +12 18 18 +11 19 19 +10 20 20 +drop table t1; +create table t1(a int not null, b int not null) engine=innodb; +insert into t1 values (1,1); +alter table t1 add primary key(b); +insert into t1 values (2,2); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) NOT NULL, + PRIMARY KEY (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +select * from t1; +a b +1 1 +2 2 +explain select * from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +explain select * from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort +explain select * from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 +checksum table t1; +Table Checksum +test.t1 582702641 +drop table t1; +create table t1(a int not null) engine=innodb; +insert into t1 values (1); +alter table t1 add primary key(a); +insert into t1 values (2); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +commit; +select * from t1; +a +1 +2 +explain select * from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index +explain select * from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index +drop table t1; +create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; +create table t3(a int primary key) engine=innodb; +insert into t3 values(22),(44),(33),(55),(66); +insert into t2 values ('jejdkrun87'),('adfd72nh9k'), +('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); +create table t1(a int, b blob, c text, d text not null) +engine=innodb default charset = utf8; +insert into t1 +select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; +drop table t2, t3; +select count(*) from t1 where a=44; +count(*) +5 +select a, +length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; +a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d +22 22000 1 4400 1 adfd72nh9k +22 35200 1 7040 1 adfdijn0loKNHJik +22 28600 1 5720 1 adfdijnmnb78k +22 26400 1 5280 1 adfdpplkeock +22 22000 1 4400 1 jejdkrun87 +33 33000 1 6600 1 adfd72nh9k +33 52800 1 10560 1 adfdijn0loKNHJik +33 42900 1 8580 1 adfdijnmnb78k +33 39600 1 7920 1 adfdpplkeock +33 33000 1 6600 1 jejdkrun87 +44 44000 1 8800 1 adfd72nh9k +44 65535 1 14080 1 adfdijn0loKNHJik +44 57200 1 11440 1 adfdijnmnb78k +44 52800 1 10560 1 adfdpplkeock +44 44000 1 8800 1 jejdkrun87 +55 55000 1 11000 1 adfd72nh9k +55 65535 1 17600 1 adfdijn0loKNHJik +55 65535 1 14300 1 adfdijnmnb78k +55 65535 1 13200 1 adfdpplkeock +55 55000 1 11000 1 jejdkrun87 +66 65535 1 13200 1 adfd72nh9k +66 65535 1 21120 1 adfdijn0loKNHJik +66 65535 1 17160 1 adfdijnmnb78k +66 65535 1 15840 1 adfdpplkeock +66 65535 1 13200 1 jejdkrun87 +alter table t1 add primary key (a), add key (b(20)); +ERROR 23000: Duplicate entry '22' for key 'PRIMARY' +delete from t1 where a%2; +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); +select count(*) from t1 where a=44; +count(*) +5 +select a, +length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; +a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d +22 22000 1 4400 1 adfd72nh9k +22 35200 1 7040 1 adfdijn0loKNHJik +22 28600 1 5720 1 adfdijnmnb78k +22 26400 1 5280 1 adfdpplkeock +22 22000 1 4400 1 jejdkrun87 +44 44000 1 8800 1 adfd72nh9k +44 65535 1 14080 1 adfdijn0loKNHJik +44 57200 1 11440 1 adfdijnmnb78k +44 52800 1 10560 1 adfdpplkeock +44 44000 1 8800 1 jejdkrun87 +66 65535 1 13200 1 adfd72nh9k +66 65535 1 21120 1 adfdijn0loKNHJik +66 65535 1 17160 1 adfdijnmnb78k +66 65535 1 15840 1 adfdpplkeock +66 65535 1 13200 1 jejdkrun87 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL DEFAULT '0', + `b` blob NOT NULL, + `c` text NOT NULL, + `d` text NOT NULL, + PRIMARY KEY (`a`,`b`(255),`c`(255)), + KEY `b` (`b`(767)) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +explain select * from t1 where b like 'adfd%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where +create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; +insert into t2 select a,left(b,255) from t1; +drop table t1; +rename table t2 to t1; +set innodb_lock_wait_timeout=1; +begin; +select a from t1 limit 1 for update; +a +22 +set innodb_lock_wait_timeout=1; +create index t1ba on t1 (b,a); +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +begin; +select a from t1 limit 1 lock in share mode; +a +22 +create index t1ba on t1 (b,a); +drop index t1ba on t1; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +explain select a from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL t1ba 261 NULL 15 Using index +select a,sleep(2+a/100) from t1 order by b limit 3; +select sleep(1); +sleep(1) +0 +drop index t1ba on t1; +a sleep(2+a/100) +22 0 +44 0 +66 0 +explain select a from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 261 NULL 15 Using index; Using filesort +select a from t1 order by b limit 3; +a +22 +66 +44 +commit; +drop table t1; +set global innodb_file_per_table=on; +set global innodb_file_format='Barracuda'; +create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, +i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, +q blob,r blob,s blob,t blob,u blob) +engine=innodb row_format=dynamic; +create index t1a on t1 (a(1)); +create index t1b on t1 (b(1)); +create index t1c on t1 (c(1)); +create index t1d on t1 (d(1)); +create index t1e on t1 (e(1)); +create index t1f on t1 (f(1)); +create index t1g on t1 (g(1)); +create index t1h on t1 (h(1)); +create index t1i on t1 (i(1)); +create index t1j on t1 (j(1)); +create index t1k on t1 (k(1)); +create index t1l on t1 (l(1)); +create index t1m on t1 (m(1)); +create index t1n on t1 (n(1)); +create index t1o on t1 (o(1)); +create index t1p on t1 (p(1)); +create index t1q on t1 (q(1)); +create index t1r on t1 (r(1)); +create index t1s on t1 (s(1)); +create index t1t on t1 (t(1)); +create index t1u on t1 (u(1)); +ERROR HY000: Too big row +create index t1ut on t1 (u(1), t(1)); +ERROR HY000: Too big row +create index t1st on t1 (s(1), t(1)); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` blob, + `b` blob, + `c` blob, + `d` blob, + `e` blob, + `f` blob, + `g` blob, + `h` blob, + `i` blob, + `j` blob, + `k` blob, + `l` blob, + `m` blob, + `n` blob, + `o` blob, + `p` blob, + `q` blob, + `r` blob, + `s` blob, + `t` blob, + `u` blob, + KEY `t1a` (`a`(1)), + KEY `t1b` (`b`(1)), + KEY `t1c` (`c`(1)), + KEY `t1d` (`d`(1)), + KEY `t1e` (`e`(1)), + KEY `t1f` (`f`(1)), + KEY `t1g` (`g`(1)), + KEY `t1h` (`h`(1)), + KEY `t1i` (`i`(1)), + KEY `t1j` (`j`(1)), + KEY `t1k` (`k`(1)), + KEY `t1l` (`l`(1)), + KEY `t1m` (`m`(1)), + KEY `t1n` (`n`(1)), + KEY `t1o` (`o`(1)), + KEY `t1p` (`p`(1)), + KEY `t1q` (`q`(1)), + KEY `t1r` (`r`(1)), + KEY `t1s` (`s`(1)), + KEY `t1t` (`t`(1)), + KEY `t1st` (`s`(1),`t`(1)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC +create index t1u on t1 (u(1)); +ERROR HY000: Too big row +alter table t1 row_format=compact; +create index t1u on t1 (u(1)); +drop table t1; +set global innodb_file_per_table=0; +set global innodb_file_format=Antelope; +set global innodb_file_format_check=Antelope; +SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; +SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; +CREATE TABLE t1( +c1 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3) REFERENCES t1(c1); +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; +INSERT INTO t2 VALUES(0,0,0); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +INSERT INTO t1 VALUES(0); +INSERT INTO t2 VALUES(0,0,0); +DROP TABLE t2; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1,c2,c3) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3) REFERENCES t1(c1); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`,`c2`,`c3`), + KEY `fk_t2_ca` (`c3`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`,`c2`,`c3`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +INSERT INTO t2 VALUES(0,0,1); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +INSERT INTO t2 VALUES(0,0,0); +DELETE FROM t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) +DELETE FROM t2; +DROP TABLE t2; +DROP TABLE t1; +CREATE TABLE t1( +c1 BIGINT(12) NOT NULL, +c2 INT(4) NOT NULL, +PRIMARY KEY (c2,c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +CREATE TABLE t2( +c1 BIGINT(16) NOT NULL, +c2 BIGINT(12) NOT NULL, +c3 BIGINT(12) NOT NULL, +PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +ERROR HY000: Can't create table '#sql-temporary' (errno: 150) +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca +FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(12) NOT NULL, + `c2` bigint(12) NOT NULL, + PRIMARY KEY (`c2`,`c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `fk_t2_ca` (`c3`,`c2`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `c1` bigint(16) NOT NULL, + `c2` bigint(12) NOT NULL, + `c3` bigint(12) NOT NULL, + PRIMARY KEY (`c1`), + KEY `i_t2_c2_c1` (`c2`,`c1`), + KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), + KEY `i_t2_c3_c2` (`c3`,`c2`), + CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +DROP TABLE t2; +DROP TABLE t1; +CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +BEGIN; +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +CREATE INDEX t1a ON t1(a); +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +ERROR HY000: Table definition has changed, please retry transaction +SELECT * FROM t1; +a b +3 a +3 b +1 c +0 d +1 e +COMMIT; +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +a b +0 d +1 c +1 e +3 a +3 b +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-index.test b/perfschema/mysql-test/innodb-index.test new file mode 100644 index 00000000000..da1bc543ae9 --- /dev/null +++ b/perfschema/mysql-test/innodb-index.test @@ -0,0 +1,540 @@ +-- source include/have_innodb.inc + +let $MYSQLD_DATADIR= `select @@datadir`; + +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; + +create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; +insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); +commit; +--error ER_DUP_KEYNAME +alter table t1 add index b (b), add index b (b); +--error ER_DUP_FIELDNAME +alter table t1 add index (b,b); +alter table t1 add index d2 (d); +show create table t1; +explain select * from t1 force index(d2) order by d; +select * from t1 force index (d2) order by d; +--error ER_DUP_ENTRY +alter table t1 add unique index (b); +show create table t1; +alter table t1 add index (b); +show create table t1; + +alter table t1 add unique index (c), add index (d); +show create table t1; +explain select * from t1 force index(c) order by c; +alter table t1 add primary key (a), drop index c; +show create table t1; +--error ER_MULTIPLE_PRI_KEY +alter table t1 add primary key (c); +--error ER_DUP_ENTRY +alter table t1 drop primary key, add primary key (b); +create unique index c on t1 (c); +show create table t1; +explain select * from t1 force index(c) order by c; +select * from t1 force index(c) order by c; +alter table t1 drop index b, add index (b); +show create table t1; +insert into t1 values(6,1,'ggg','ggg'); +select * from t1; +select * from t1 force index(b) order by b; +select * from t1 force index(c) order by c; +select * from t1 force index(d) order by d; +explain select * from t1 force index(b) order by b; +explain select * from t1 force index(c) order by c; +explain select * from t1 force index(d) order by d; +show create table t1; +drop table t1; + +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add index (c(2)); +show create table t1; +alter table t1 add unique index (d(10)); +show create table t1; +insert into t1 values(5,1,'ggg','ggg'); +select * from t1; +select * from t1 force index(c) order by c; +select * from t1 force index(d) order by d; +explain select * from t1 order by b; +explain select * from t1 force index(c) order by c; +explain select * from t1 force index(d) order by d; +show create table t1; +alter table t1 drop index d; +insert into t1 values(8,9,'fff','fff'); +select * from t1; +select * from t1 force index(c) order by c; +explain select * from t1 order by b; +explain select * from t1 force index(c) order by c; +explain select * from t1 order by d; +show create table t1; +drop table t1; + +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add unique index (b,c); +insert into t1 values(8,9,'fff','fff'); +select * from t1; +select * from t1 force index(b) order by b; +explain select * from t1 force index(b) order by b; +show create table t1; +alter table t1 add index (b,c); +insert into t1 values(11,11,'kkk','kkk'); +select * from t1; +select * from t1 force index(b) order by b; +explain select * from t1 force index(b) order by b; +show create table t1; +alter table t1 add unique index (c,d); +insert into t1 values(13,13,'yyy','aaa'); +select * from t1; +select * from t1 force index(b) order by b; +select * from t1 force index(c) order by c; +explain select * from t1 force index(b) order by b; +explain select * from t1 force index(c) order by c; +show create table t1; +drop table t1; + +create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; +create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; +create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; +create table t2(a int not null, b int not null, c int not null, d int not null, e int, +foreign key (b) references t1(b) on delete cascade, +foreign key (c) references t3(c), foreign key (d) references t4(d)) +engine = innodb; +--error ER_DROP_INDEX_FK +alter table t1 drop index b; +--error ER_DROP_INDEX_FK +alter table t3 drop index c; +--error ER_DROP_INDEX_FK +alter table t4 drop index d; +--error ER_DROP_INDEX_FK +alter table t2 drop index b; +--error ER_DROP_INDEX_FK +alter table t2 drop index b, drop index c, drop index d; +# Apparently, the following makes mysql_alter_table() drop index d. +create unique index dc on t2 (d,c); +create index dc on t1 (b,c); +# This should preserve the foreign key constraints. +alter table t2 add primary key (a); +insert into t1 values (1,1,1); +insert into t3 values (1,1,1); +insert into t4 values (1,1,1); +insert into t2 values (1,1,1,1,1); +commit; +alter table t4 add constraint dc foreign key (a) references t1(a); +show create table t4; +--replace_regex /'test\.#sql-[0-9a-f_]*'/'#sql-temporary'/ +# a foreign key 'test/dc' already exists +--error ER_CANT_CREATE_TABLE +alter table t3 add constraint dc foreign key (a) references t1(a); +show create table t3; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX +alter table t2 drop index b, add index (b); +show create table t2; +--error ER_ROW_IS_REFERENCED_2 +delete from t1; +--error ER_CANT_DROP_FIELD_OR_KEY +drop index dc on t4; +# there is no foreign key dc on t3 +--replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLD_DATADIR ./ master-data/ '' +--error ER_ERROR_ON_RENAME +alter table t3 drop foreign key dc; +alter table t4 drop foreign key dc; +select * from t2; +delete from t1; +select * from t2; + +drop table t2,t4,t3,t1; + +-- let charset = utf8 +-- source include/innodb-index.inc + +create table t1(a int not null, b int) engine = innodb; +insert into t1 values (1,1),(1,1),(1,1),(1,1); +--error ER_DUP_ENTRY +alter table t1 add unique index (a); +--error ER_DUP_ENTRY +alter table t1 add unique index (b); +--error ER_DUP_ENTRY +alter table t1 add unique index (a), add unique index(b); +show create table t1; +drop table t1; + +create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; +alter table t1 drop index c, drop index b; +show create table t1; +drop table t1; + +create table t1(a int not null, b int, primary key(a)) engine = innodb; +alter table t1 add index (b); +show create table t1; +drop table t1; + +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); +--error ER_DUP_ENTRY +alter table t1 add unique index (b), add unique index (c), add unique index (d); +--error ER_DUP_ENTRY +alter table t1 add unique index (c), add unique index (b), add index (d); +show create table t1; +drop table t1; + +create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; +insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); +alter table t1 add unique index (b); +insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); +show create table t1; +check table t1; +explain select * from t1 force index(c) order by c; +explain select * from t1 order by a; +explain select * from t1 force index(b) order by b; +select * from t1 order by a; +select * from t1 force index(b) order by b; +select * from t1 force index(c) order by c; +drop table t1; + +create table t1(a int not null, b int not null) engine=innodb; +insert into t1 values (1,1); +alter table t1 add primary key(b); +insert into t1 values (2,2); +show create table t1; +check table t1; +select * from t1; +explain select * from t1; +explain select * from t1 order by a; +explain select * from t1 order by b; +checksum table t1; +drop table t1; + +create table t1(a int not null) engine=innodb; +insert into t1 values (1); +alter table t1 add primary key(a); +insert into t1 values (2); +show create table t1; +check table t1; +commit; +select * from t1; +explain select * from t1; +explain select * from t1 order by a; +drop table t1; + +create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; +create table t3(a int primary key) engine=innodb; + +insert into t3 values(22),(44),(33),(55),(66); + +insert into t2 values ('jejdkrun87'),('adfd72nh9k'), +('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); + +create table t1(a int, b blob, c text, d text not null) +engine=innodb default charset = utf8; + +# r2667 The following test is disabled because MySQL behavior changed. +# r2667 The test was added with this comment: +# r2667 +# r2667 ------------------------------------------------------------------------ +# r2667 r1699 | marko | 2007-08-10 19:53:19 +0300 (Fri, 10 Aug 2007) | 5 lines +# r2667 +# r2667 branches/zip: Add changes that accidentally omitted from r1698: +# r2667 +# r2667 innodb-index.test, innodb-index.result: Add a test for creating +# r2667 a PRIMARY KEY on a column that contains a NULL value. +# r2667 ------------------------------------------------------------------------ +# r2667 +# r2667 but in BZR-r2667: +# r2667 http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.1/revision/davi%40mysql.com-20080617141221-8yre8ys9j4uw3xx5?start_revid=joerg%40mysql.com-20080630105418-7qoe5ehomgrcdb89 +# r2667 MySQL changed the behavior to do full table copy when creating PRIMARY INDEX +# r2667 on a non-NULL column instead of calling ::add_index() which would fail (and +# r2667 this is what we were testing here). Before r2667 the code execution path was +# r2667 like this (when adding PRIMARY INDEX on a non-NULL column with ALTER TABLE): +# r2667 +# r2667 mysql_alter_table() +# r2667 compare_tables() // would return ALTER_TABLE_INDEX_CHANGED +# r2667 ::add_index() // would fail with "primary index cannot contain NULL" +# r2667 +# r2667 after r2667 the code execution path is the following: +# r2667 +# r2667 mysql_alter_table() +# r2667 compare_tables() // returns ALTER_TABLE_DATA_CHANGED +# r2667 full copy is done, without calling ::add_index() +# r2667 +# r2667 To enable, remove "# r2667: " below. +# r2667 +# r2667: insert into t1 values (null,null,null,'null'); +insert into t1 +select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; +drop table t2, t3; +select count(*) from t1 where a=44; +select a, +length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; +# r2667: --error ER_PRIMARY_CANT_HAVE_NULL +# r2667: alter table t1 add primary key (a), add key (b(20)); +# r2667: delete from t1 where d='null'; +--error ER_DUP_ENTRY +alter table t1 add primary key (a), add key (b(20)); +delete from t1 where a%2; +check table t1; +alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); +select count(*) from t1 where a=44; +select a, +length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; +show create table t1; +check table t1; +explain select * from t1 where b like 'adfd%'; + +# +# Test locking +# + +create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; +insert into t2 select a,left(b,255) from t1; +drop table t1; +rename table t2 to t1; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set innodb_lock_wait_timeout=1; +begin; +# Obtain an IX lock on the table +select a from t1 limit 1 for update; +connection b; +set innodb_lock_wait_timeout=1; +# This would require an S lock on the table, conflicting with the IX lock. +--error ER_LOCK_WAIT_TIMEOUT +create index t1ba on t1 (b,a); +connection a; +commit; +begin; +# Obtain an IS lock on the table +select a from t1 limit 1 lock in share mode; +connection b; +# This will require an S lock on the table. No conflict with the IS lock. +create index t1ba on t1 (b,a); +# This would require an X lock on the table, conflicting with the IS lock. +--error ER_LOCK_WAIT_TIMEOUT +drop index t1ba on t1; +connection a; +commit; +explain select a from t1 order by b; +--send +select a,sleep(2+a/100) from t1 order by b limit 3; + +# The following DROP INDEX will succeed, altough the SELECT above has +# opened a read view. However, during the execution of the SELECT, +# MySQL should hold a table lock that should block the execution +# of the DROP INDEX below. + +connection b; +select sleep(1); +drop index t1ba on t1; + +# After the index was dropped, subsequent SELECTs will use the same +# read view, but they should not be accessing the dropped index any more. + +connection a; +reap; +explain select a from t1 order by b; +select a from t1 order by b limit 3; +commit; + +connection default; +disconnect a; +disconnect b; + +drop table t1; + +let $per_table=`select @@innodb_file_per_table`; +let $format=`select @@innodb_file_format`; +set global innodb_file_per_table=on; +set global innodb_file_format='Barracuda'; +# Test creating a table that could lead to undo log overflow. +# In the undo log, we write a 768-byte prefix (REC_MAX_INDEX_COL_LEN) +# of each externally stored column that appears as a column prefix in an index. +# For this test case, it would suffice to write 1 byte, though. +create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, + i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, + q blob,r blob,s blob,t blob,u blob) + engine=innodb row_format=dynamic; +create index t1a on t1 (a(1)); +create index t1b on t1 (b(1)); +create index t1c on t1 (c(1)); +create index t1d on t1 (d(1)); +create index t1e on t1 (e(1)); +create index t1f on t1 (f(1)); +create index t1g on t1 (g(1)); +create index t1h on t1 (h(1)); +create index t1i on t1 (i(1)); +create index t1j on t1 (j(1)); +create index t1k on t1 (k(1)); +create index t1l on t1 (l(1)); +create index t1m on t1 (m(1)); +create index t1n on t1 (n(1)); +create index t1o on t1 (o(1)); +create index t1p on t1 (p(1)); +create index t1q on t1 (q(1)); +create index t1r on t1 (r(1)); +create index t1s on t1 (s(1)); +create index t1t on t1 (t(1)); +--error 139 +create index t1u on t1 (u(1)); +--error 139 +create index t1ut on t1 (u(1), t(1)); +create index t1st on t1 (s(1), t(1)); +show create table t1; +--error 139 +create index t1u on t1 (u(1)); +alter table t1 row_format=compact; +create index t1u on t1 (u(1)); + +drop table t1; +eval set global innodb_file_per_table=$per_table; +eval set global innodb_file_format=$format; +eval set global innodb_file_format_check=$format; + +# +# Test to check whether CREATE INDEX handles implicit foreign key +# constraint modifications (Issue #70, Bug #38786) +# +SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; +SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; + +CREATE TABLE t1( + c1 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3) REFERENCES t1(c1); + +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; + +SHOW CREATE TABLE t2; + +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); + +SHOW CREATE TABLE t2; + +SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; +SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; + +--error ER_NO_REFERENCED_ROW_2 +INSERT INTO t2 VALUES(0,0,0); +INSERT INTO t1 VALUES(0); +INSERT INTO t2 VALUES(0,0,0); + +DROP TABLE t2; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1,c2,c3) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3) REFERENCES t1(c1); + +SHOW CREATE TABLE t2; + +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); + +SHOW CREATE TABLE t2; +--error ER_NO_REFERENCED_ROW_2 +INSERT INTO t2 VALUES(0,0,1); +INSERT INTO t2 VALUES(0,0,0); +--error ER_ROW_IS_REFERENCED_2 +DELETE FROM t1; +DELETE FROM t2; + +DROP TABLE t2; +DROP TABLE t1; + +CREATE TABLE t1( + c1 BIGINT(12) NOT NULL, + c2 INT(4) NOT NULL, + PRIMARY KEY (c2,c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +CREATE TABLE t2( + c1 BIGINT(16) NOT NULL, + c2 BIGINT(12) NOT NULL, + c3 BIGINT(12) NOT NULL, + PRIMARY KEY (c1) +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; +--replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ +--error ER_CANT_CREATE_TABLE +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); + +ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca + FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); +SHOW CREATE TABLE t1; +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); +SHOW CREATE TABLE t2; +CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); +SHOW CREATE TABLE t2; + +DROP TABLE t2; +DROP TABLE t1; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +connection b; +BEGIN; +SELECT * FROM t1; +connection a; +CREATE INDEX t1a ON t1(a); +connection b; +SELECT * FROM t1; +--error ER_TABLE_DEF_CHANGED +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +SELECT * FROM t1; +COMMIT; +SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +connection default; +disconnect a; +disconnect b; + +DROP TABLE t1; + +# +# restore environment to the state it was before this test execution +# + +-- disable_query_log +eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/perfschema/mysql-test/innodb-index_ucs2.result b/perfschema/mysql-test/innodb-index_ucs2.result new file mode 100644 index 00000000000..c8a1e8c7da1 --- /dev/null +++ b/perfschema/mysql-test/innodb-index_ucs2.result @@ -0,0 +1,116 @@ +create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=ucs2; +insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); +commit; +alter table t1 add unique index (b); +ERROR 23000: Duplicate entry '2' for key 'b' +insert into t1 values(8,9,'fff','fff'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=ucs2 +alter table t1 add index (b); +insert into t1 values(10,10,'kkk','iii'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 5 NULL 6 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `b` (`b`) +) ENGINE=InnoDB DEFAULT CHARSET=ucs2 +alter table t1 add unique index (c), add index (d); +insert into t1 values(11,11,'aaa','mmm'); +select * from t1; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +select * from t1 force index(b) order by b; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +select * from t1 force index(c) order by c; +a b c d +11 11 aaa mmm +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +select * from t1 force index(d) order by d; +a b c d +1 1 ab ab +2 2 ac ac +3 2 ad ad +4 4 afe afe +8 9 fff fff +10 10 kkk iii +11 11 aaa mmm +explain select * from t1 force index(b) order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 5 NULL 7 +explain select * from t1 force index(c) order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 21 NULL 7 +explain select * from t1 force index(d) order by d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL d 43 NULL 7 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `c` (`c`), + KEY `b` (`b`), + KEY `d` (`d`) +) ENGINE=InnoDB DEFAULT CHARSET=ucs2 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +drop table t1; diff --git a/perfschema/mysql-test/innodb-index_ucs2.test b/perfschema/mysql-test/innodb-index_ucs2.test new file mode 100644 index 00000000000..fff9a4da1a8 --- /dev/null +++ b/perfschema/mysql-test/innodb-index_ucs2.test @@ -0,0 +1,5 @@ +-- source include/have_innodb.inc +-- source include/have_ucs2.inc + +-- let charset = ucs2 +-- source include/innodb-index.inc diff --git a/perfschema/mysql-test/innodb-lock.result b/perfschema/mysql-test/innodb-lock.result new file mode 100644 index 00000000000..4ace4065c34 --- /dev/null +++ b/perfschema/mysql-test/innodb-lock.result @@ -0,0 +1,57 @@ +set global innodb_table_locks=1; +select @@innodb_table_locks; +@@innodb_table_locks +1 +drop table if exists t1; +set @@innodb_table_locks=1; +create table t1 (id integer, x integer) engine=INNODB; +insert into t1 values(0, 0); +set autocommit=0; +SELECT * from t1 where id = 0 FOR UPDATE; +id x +0 0 +set autocommit=0; +lock table t1 write; +update t1 set x=1 where id = 0; +select * from t1; +id x +0 1 +commit; +update t1 set x=2 where id = 0; +commit; +unlock tables; +select * from t1; +id x +0 2 +commit; +drop table t1; +set @@innodb_table_locks=0; +create table t1 (id integer primary key, x integer) engine=INNODB; +insert into t1 values(0, 0),(1,1),(2,2); +commit; +SELECT * from t1 where id = 0 FOR UPDATE; +id x +0 0 +set autocommit=0; +set @@innodb_table_locks=0; +lock table t1 write; +update t1 set x=10 where id = 2; +SELECT * from t1 where id = 2; +id x +2 2 +UPDATE t1 set x=3 where id = 2; +commit; +SELECT * from t1; +id x +0 0 +1 1 +2 3 +commit; +unlock tables; +commit; +select * from t1; +id x +0 0 +1 1 +2 10 +drop table t1; diff --git a/perfschema/mysql-test/innodb-lock.test b/perfschema/mysql-test/innodb-lock.test new file mode 100644 index 00000000000..eacf7e562be --- /dev/null +++ b/perfschema/mysql-test/innodb-lock.test @@ -0,0 +1,102 @@ +-- source include/have_innodb.inc + +# +# Check and select innodb lock type +# + +set global innodb_table_locks=1; + +select @@innodb_table_locks; + +# +# Testing of explicit table locks with enforced table locks +# + +connect (con1,localhost,root,,); +connect (con2,localhost,root,,); + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# Testing of explicit table locks with enforced table locks +# + +set @@innodb_table_locks=1; + +connection con1; +create table t1 (id integer, x integer) engine=INNODB; +insert into t1 values(0, 0); +set autocommit=0; +SELECT * from t1 where id = 0 FOR UPDATE; + +connection con2; +set autocommit=0; + +# The following statement should hang because con1 is locking the page +--send +lock table t1 write; +--sleep 2 + +connection con1; +update t1 set x=1 where id = 0; +select * from t1; +commit; + +connection con2; +reap; +update t1 set x=2 where id = 0; +commit; +unlock tables; + +connection con1; +select * from t1; +commit; + +drop table t1; + +# +# Try with old lock method (where LOCK TABLE is ignored by InnoDB) +# + +set @@innodb_table_locks=0; + +create table t1 (id integer primary key, x integer) engine=INNODB; +insert into t1 values(0, 0),(1,1),(2,2); +commit; +SELECT * from t1 where id = 0 FOR UPDATE; + +connection con2; +set autocommit=0; +set @@innodb_table_locks=0; + +# The following statement should work becase innodb doesn't check table locks +lock table t1 write; + +connection con1; + +# This will be locked by MySQL +--send +update t1 set x=10 where id = 2; +--sleep 2 + +connection con2; + +# Note that we will get a deadlock if we try to select any rows marked +# for update by con1 ! + +SELECT * from t1 where id = 2; +UPDATE t1 set x=3 where id = 2; +commit; +SELECT * from t1; +commit; +unlock tables; + +connection con1; +reap; +commit; +select * from t1; +drop table t1; + +# End of 4.1 tests diff --git a/perfschema/mysql-test/innodb-master.opt b/perfschema/mysql-test/innodb-master.opt new file mode 100644 index 00000000000..72c88068345 --- /dev/null +++ b/perfschema/mysql-test/innodb-master.opt @@ -0,0 +1 @@ +--binlog_cache_size=32768 --loose_innodb_lock_wait_timeout=1 diff --git a/perfschema/mysql-test/innodb-replace.result b/perfschema/mysql-test/innodb-replace.result new file mode 100644 index 00000000000..c926bb89a2e --- /dev/null +++ b/perfschema/mysql-test/innodb-replace.result @@ -0,0 +1,13 @@ +drop table if exists t1; +create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; +select * from t1; +c1 c2 stamp +replace delayed into t1 (c1, c2) values ( "text1","11"); +ERROR HY000: DELAYED option not supported for table 't1' +select * from t1; +c1 c2 stamp +replace delayed into t1 (c1, c2) values ( "text1","12"); +ERROR HY000: DELAYED option not supported for table 't1' +select * from t1; +c1 c2 stamp +drop table t1; diff --git a/perfschema/mysql-test/innodb-replace.test b/perfschema/mysql-test/innodb-replace.test new file mode 100644 index 00000000000..8c3aacde5e8 --- /dev/null +++ b/perfschema/mysql-test/innodb-replace.test @@ -0,0 +1,22 @@ +-- source include/have_innodb.inc +# embedded server ignores 'delayed', so skip this +-- source include/not_embedded.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# +# Bug #1078 +# +create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; +select * from t1; +--error ER_DELAYED_NOT_SUPPORTED +replace delayed into t1 (c1, c2) values ( "text1","11"); +select * from t1; +--error ER_DELAYED_NOT_SUPPORTED +replace delayed into t1 (c1, c2) values ( "text1","12"); +select * from t1; +drop table t1; + +# End of 4.1 tests diff --git a/perfschema/mysql-test/innodb-semi-consistent-master.opt b/perfschema/mysql-test/innodb-semi-consistent-master.opt new file mode 100644 index 00000000000..cb48f1aaf60 --- /dev/null +++ b/perfschema/mysql-test/innodb-semi-consistent-master.opt @@ -0,0 +1 @@ +--loose-innodb_lock_wait_timeout=2 diff --git a/perfschema/mysql-test/innodb-semi-consistent.result b/perfschema/mysql-test/innodb-semi-consistent.result new file mode 100644 index 00000000000..ca0e362ef80 --- /dev/null +++ b/perfschema/mysql-test/innodb-semi-consistent.result @@ -0,0 +1,47 @@ +drop table if exists t1; +set binlog_format=mixed; +set session transaction isolation level repeatable read; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; +select * from t1 where a=3 lock in share mode; +a +3 +set binlog_format=mixed; +set session transaction isolation level repeatable read; +set autocommit=0; +update t1 set a=10 where a=5; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +set session transaction isolation level read committed; +update t1 set a=10 where a=5; +select * from t1 where a=2 for update; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +select * from t1 where a=2 limit 1 for update; +a +2 +update t1 set a=11 where a=6; +update t1 set a=12 where a=2; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +update t1 set a=13 where a=1; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +update t1 set a=14 where a=1; +commit; +select * from t1; +a +14 +2 +3 +4 +10 +11 +7 +drop table t1; +create table t1 (a int, b int) engine=myisam; +create table t2 (c int, d int, key (c)) engine=innodb; +insert into t1 values (1,1); +insert into t2 values (1,2); +set session transaction isolation level read committed; +delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); +drop table t1, t2; diff --git a/perfschema/mysql-test/innodb-semi-consistent.test b/perfschema/mysql-test/innodb-semi-consistent.test new file mode 100644 index 00000000000..61ad7815ca9 --- /dev/null +++ b/perfschema/mysql-test/innodb-semi-consistent.test @@ -0,0 +1,68 @@ +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# basic tests of semi-consistent reads + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set binlog_format=mixed; +set session transaction isolation level repeatable read; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; +# this should lock the entire table +select * from t1 where a=3 lock in share mode; +connection b; +set binlog_format=mixed; +set session transaction isolation level repeatable read; +set autocommit=0; +-- error ER_LOCK_WAIT_TIMEOUT +update t1 set a=10 where a=5; +connection a; +commit; +connection b; +# perform a semi-consisent read (and unlock non-matching rows) +set session transaction isolation level read committed; +update t1 set a=10 where a=5; +connection a; +-- error ER_LOCK_WAIT_TIMEOUT +select * from t1 where a=2 for update; +# this should lock the records (1),(2) +select * from t1 where a=2 limit 1 for update; +connection b; +# semi-consistent read will skip non-matching locked rows a=1, a=2 +update t1 set a=11 where a=6; +-- error ER_LOCK_WAIT_TIMEOUT +update t1 set a=12 where a=2; +-- error ER_LOCK_WAIT_TIMEOUT +update t1 set a=13 where a=1; +connection a; +commit; +connection b; +update t1 set a=14 where a=1; +commit; +connection a; +select * from t1; +drop table t1; + +connection default; +disconnect a; +disconnect b; + +# Bug 39320 +create table t1 (a int, b int) engine=myisam; +create table t2 (c int, d int, key (c)) engine=innodb; +insert into t1 values (1,1); +insert into t2 values (1,2); +connect (a,localhost,root,,); +connection a; +set session transaction isolation level read committed; +delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); +connection default; +disconnect a; +drop table t1, t2; diff --git a/perfschema/mysql-test/innodb-timeout.result b/perfschema/mysql-test/innodb-timeout.result new file mode 100644 index 00000000000..be9a688cd72 --- /dev/null +++ b/perfschema/mysql-test/innodb-timeout.result @@ -0,0 +1,38 @@ +set global innodb_lock_wait_timeout=42; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +1 +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set global innodb_lock_wait_timeout=347; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +42 +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +1 +select @@innodb_lock_wait_timeout; +@@innodb_lock_wait_timeout +347 +create table t1(a int primary key)engine=innodb; +begin; +insert into t1 values(1),(2),(3); +select * from t1 for update; +commit; +a +1 +2 +3 +begin; +insert into t1 values(4); +select * from t1 for update; +commit; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +drop table t1; +set global innodb_lock_wait_timeout=50; diff --git a/perfschema/mysql-test/innodb-timeout.test b/perfschema/mysql-test/innodb-timeout.test new file mode 100644 index 00000000000..f23fe3cff2d --- /dev/null +++ b/perfschema/mysql-test/innodb-timeout.test @@ -0,0 +1,64 @@ +-- source include/have_innodb.inc + +let $timeout=`select @@innodb_lock_wait_timeout`; +set global innodb_lock_wait_timeout=42; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); + +connection a; +select @@innodb_lock_wait_timeout; +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; + +connection b; +select @@innodb_lock_wait_timeout; +set global innodb_lock_wait_timeout=347; +select @@innodb_lock_wait_timeout; +set innodb_lock_wait_timeout=1; +select @@innodb_lock_wait_timeout; + +connect (c,localhost,root,,); +connection c; +select @@innodb_lock_wait_timeout; +connection default; +disconnect c; + +connection a; +create table t1(a int primary key)engine=innodb; +begin; +insert into t1 values(1),(2),(3); + +connection b; +--send +select * from t1 for update; + +connection a; +commit; + +connection b; +reap; + +connection a; +begin; +insert into t1 values(4); + +connection b; +--send +select * from t1 for update; + +connection a; +sleep 2; +commit; + +connection b; +--error ER_LOCK_WAIT_TIMEOUT +reap; +drop table t1; + +connection default; + +disconnect a; +disconnect b; + +eval set global innodb_lock_wait_timeout=$timeout; diff --git a/perfschema/mysql-test/innodb-use-sys-malloc-master.opt b/perfschema/mysql-test/innodb-use-sys-malloc-master.opt new file mode 100644 index 00000000000..fc8582b5887 --- /dev/null +++ b/perfschema/mysql-test/innodb-use-sys-malloc-master.opt @@ -0,0 +1 @@ +--loose-innodb-use-sys-malloc=true diff --git a/perfschema/mysql-test/innodb-use-sys-malloc.result b/perfschema/mysql-test/innodb-use-sys-malloc.result new file mode 100644 index 00000000000..2ec4c7c8130 --- /dev/null +++ b/perfschema/mysql-test/innodb-use-sys-malloc.result @@ -0,0 +1,48 @@ +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +SET @@GLOBAL.innodb_use_sys_malloc=0; +ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable +Expected error 'Read only variable' +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +drop table if exists t1; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +SET @@GLOBAL.innodb_use_sys_malloc=0; +ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable +Expected error 'Read only variable' +SELECT @@GLOBAL.innodb_use_sys_malloc; +@@GLOBAL.innodb_use_sys_malloc +1 +1 Expected +drop table if exists t1; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +a +1 +2 +3 +4 +5 +6 +7 +drop table t1; diff --git a/perfschema/mysql-test/innodb-use-sys-malloc.test b/perfschema/mysql-test/innodb-use-sys-malloc.test new file mode 100644 index 00000000000..325dd19d086 --- /dev/null +++ b/perfschema/mysql-test/innodb-use-sys-malloc.test @@ -0,0 +1,48 @@ +--source include/have_innodb.inc + +#display current value of innodb_use_sys_malloc +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + +#try changing it. Should fail. +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_use_sys_malloc=0; +--echo Expected error 'Read only variable' + +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + + +#do some stuff to see if it works. +--disable_warnings +drop table if exists t1; +--enable_warnings + +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +drop table t1; +--source include/have_innodb.inc + +#display current value of innodb_use_sys_malloc +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + +#try changing it. Should fail. +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_use_sys_malloc=0; +--echo Expected error 'Read only variable' + +SELECT @@GLOBAL.innodb_use_sys_malloc; +--echo 1 Expected + + +#do some stuff to see if it works. +--disable_warnings +drop table if exists t1; +--enable_warnings + +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2),(3),(4),(5),(6),(7); +select * from t1; +drop table t1; diff --git a/perfschema/mysql-test/innodb-zip.result b/perfschema/mysql-test/innodb-zip.result new file mode 100644 index 00000000000..21396d81ba8 --- /dev/null +++ b/perfschema/mysql-test/innodb-zip.result @@ -0,0 +1,421 @@ +set global innodb_file_per_table=off; +set global innodb_file_format=`0`; +create table t0(a int primary key) engine=innodb row_format=compressed; +Warnings: +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t00(a int primary key) engine=innodb +key_block_size=4 row_format=compressed; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=4. +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t1(a int primary key) engine=innodb row_format=dynamic; +Warnings: +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t2(a int primary key) engine=innodb row_format=redundant; +create table t3(a int primary key) engine=innodb row_format=compact; +create table t4(a int primary key) engine=innodb key_block_size=9; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. +create table t5(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. +set global innodb_file_per_table=on; +create table t6(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. +set global innodb_file_format=`1`; +create table t7(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t8(a int primary key) engine=innodb +key_block_size=1 row_format=fixed; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +create table t9(a int primary key) engine=innodb +key_block_size=1 row_format=compact; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t10(a int primary key) engine=innodb +key_block_size=1 row_format=dynamic; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. +create table t11(a int primary key) engine=innodb +key_block_size=1 row_format=compressed; +create table t12(a int primary key) engine=innodb +key_block_size=1; +create table t13(a int primary key) engine=innodb +row_format=compressed; +create table t14(a int primary key) engine=innodb key_block_size=9; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t0 Compact +test t00 Compact +test t1 Compact +test t10 Dynamic +test t11 Compressed +test t12 Compressed +test t13 Compressed +test t14 Compact +test t2 Redundant +test t3 Compact +test t4 Compact +test t5 Redundant +test t6 Redundant +test t7 Redundant +test t8 Compact +test t9 Compact +drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; +alter table t1 key_block_size=0; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. +alter table t1 row_format=dynamic; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Dynamic +alter table t1 row_format=compact; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Compact +alter table t1 row_format=redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Redundant +drop table t1; +create table t1(a int not null, b text, index(b(10))) engine=innodb +key_block_size=1; +create table t2(b text)engine=innodb; +insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); +insert into t1 select 1, b from t2; +commit; +begin; +update t1 set b=repeat('B',100); +select a,left(b,40) from t1 natural join t2; +a left(b,40) +1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA +rollback; +select a,left(b,40) from t1 natural join t2; +a left(b,40) +1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Compressed +test t2 Compact +drop table t1,t2; +SET SESSION innodb_strict_mode = off; +CREATE TABLE t1( +c TEXT NOT NULL, d TEXT NOT NULL, +PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs +CREATE TABLE t1( +c TEXT NOT NULL, d TEXT NOT NULL, +PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; +ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs +CREATE TABLE t1( +c TEXT NOT NULL, d TEXT NOT NULL, +PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; +drop table t1; +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); +DROP TABLE t1; +create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, +primary key(c1, c2(22), c3(22))) +engine = innodb row_format = dynamic; +begin; +insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), +repeat('C', 20000)); +update t1 set c3 = repeat('D', 20000) where c1 = 1; +commit; +select count(*) from t1 where c2 = repeat('A', 20000); +count(*) +1 +select count(*) from t1 where c3 = repeat('D', 20000); +count(*) +1 +select count(*) from t1 where c4 = repeat('C', 20000); +count(*) +1 +update t1 set c3 = repeat('E', 20000) where c1 = 1; +drop table t1; +set global innodb_file_format=`0`; +select @@innodb_file_format; +@@innodb_file_format +Antelope +set global innodb_file_format=`1`; +select @@innodb_file_format; +@@innodb_file_format +Barracuda +set global innodb_file_format=`2`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=`-1`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=`Antelope`; +set global innodb_file_format=`Barracuda`; +set global innodb_file_format=`Cheetah`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=`abc`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=`1a`; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=``; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_per_table = on; +set global innodb_file_format = `1`; +set innodb_strict_mode = off; +create table t1 (id int primary key) engine = innodb key_block_size = 0; +Warnings: +Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. +drop table t1; +set innodb_strict_mode = on; +create table t1 (id int primary key) engine = innodb key_block_size = 0; +ERROR HY000: Can't create table 'test.t1' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16] +Error 1005 Can't create table 'test.t1' (errno: 1478) +create table t2 (id int primary key) engine = innodb key_block_size = 9; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t3 (id int primary key) engine = innodb key_block_size = 1; +create table t4 (id int primary key) engine = innodb key_block_size = 2; +create table t5 (id int primary key) engine = innodb key_block_size = 4; +create table t6 (id int primary key) engine = innodb key_block_size = 8; +create table t7 (id int primary key) engine = innodb key_block_size = 16; +create table t8 (id int primary key) engine = innodb row_format = compressed; +create table t9 (id int primary key) engine = innodb row_format = dynamic; +create table t10(id int primary key) engine = innodb row_format = compact; +create table t11(id int primary key) engine = innodb row_format = redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t10 Compact +test t11 Redundant +test t3 Compressed +test t4 Compressed +test t5 Compressed +test t6 Compressed +test t7 Compressed +test t8 Compressed +test t9 Dynamic +drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; +create table t1 (id int primary key) engine = innodb +key_block_size = 8 row_format = compressed; +create table t2 (id int primary key) engine = innodb +key_block_size = 8 row_format = redundant; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t3 (id int primary key) engine = innodb +key_block_size = 8 row_format = compact; +ERROR HY000: Can't create table 'test.t3' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t3' (errno: 1478) +create table t4 (id int primary key) engine = innodb +key_block_size = 8 row_format = dynamic; +ERROR HY000: Can't create table 'test.t4' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t4' (errno: 1478) +create table t5 (id int primary key) engine = innodb +key_block_size = 8 row_format = default; +ERROR HY000: Can't create table 'test.t5' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t5' (errno: 1478) +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t1 Compressed +drop table t1; +create table t1 (id int primary key) engine = innodb +key_block_size = 9 row_format = redundant; +ERROR HY000: Can't create table 'test.t1' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t1' (errno: 1478) +create table t2 (id int primary key) engine = innodb +key_block_size = 9 row_format = compact; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t2 (id int primary key) engine = innodb +key_block_size = 9 row_format = dynamic; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] +Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. +Error 1005 Can't create table 'test.t2' (errno: 1478) +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +set global innodb_file_per_table = off; +create table t1 (id int primary key) engine = innodb key_block_size = 1; +ERROR HY000: Can't create table 'test.t1' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Error 1005 Can't create table 'test.t1' (errno: 1478) +create table t2 (id int primary key) engine = innodb key_block_size = 2; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t3 (id int primary key) engine = innodb key_block_size = 4; +ERROR HY000: Can't create table 'test.t3' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Error 1005 Can't create table 'test.t3' (errno: 1478) +create table t4 (id int primary key) engine = innodb key_block_size = 8; +ERROR HY000: Can't create table 'test.t4' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Error 1005 Can't create table 'test.t4' (errno: 1478) +create table t5 (id int primary key) engine = innodb key_block_size = 16; +ERROR HY000: Can't create table 'test.t5' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. +Error 1005 Can't create table 'test.t5' (errno: 1478) +create table t6 (id int primary key) engine = innodb row_format = compressed; +ERROR HY000: Can't create table 'test.t6' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. +Error 1005 Can't create table 'test.t6' (errno: 1478) +create table t7 (id int primary key) engine = innodb row_format = dynamic; +ERROR HY000: Can't create table 'test.t7' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. +Error 1005 Can't create table 'test.t7' (errno: 1478) +create table t8 (id int primary key) engine = innodb row_format = compact; +create table t9 (id int primary key) engine = innodb row_format = redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t8 Compact +test t9 Redundant +drop table t8, t9; +set global innodb_file_per_table = on; +set global innodb_file_format = `0`; +create table t1 (id int primary key) engine = innodb key_block_size = 1; +ERROR HY000: Can't create table 'test.t1' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t1' (errno: 1478) +create table t2 (id int primary key) engine = innodb key_block_size = 2; +ERROR HY000: Can't create table 'test.t2' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t2' (errno: 1478) +create table t3 (id int primary key) engine = innodb key_block_size = 4; +ERROR HY000: Can't create table 'test.t3' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t3' (errno: 1478) +create table t4 (id int primary key) engine = innodb key_block_size = 8; +ERROR HY000: Can't create table 'test.t4' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t4' (errno: 1478) +create table t5 (id int primary key) engine = innodb key_block_size = 16; +ERROR HY000: Can't create table 'test.t5' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t5' (errno: 1478) +create table t6 (id int primary key) engine = innodb row_format = compressed; +ERROR HY000: Can't create table 'test.t6' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t6' (errno: 1478) +create table t7 (id int primary key) engine = innodb row_format = dynamic; +ERROR HY000: Can't create table 'test.t7' (errno: 1478) +show warnings; +Level Code Message +Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. +Error 1005 Can't create table 'test.t7' (errno: 1478) +create table t8 (id int primary key) engine = innodb row_format = compact; +create table t9 (id int primary key) engine = innodb row_format = redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +table_schema table_name row_format +test t8 Compact +test t9 Redundant +drop table t8, t9; +set global innodb_file_per_table=0; +set global innodb_file_format=Antelope; +set global innodb_file_per_table=on; +set global innodb_file_format=`Barracuda`; +set global innodb_file_format_check=`Antelope`; +create table normal_table ( +c1 int +) engine = innodb; +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +create table zip_table ( +c1 int +) engine = innodb key_block_size = 8; +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=`Antelope`; +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +show table status; +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +drop table normal_table, zip_table; diff --git a/perfschema/mysql-test/innodb-zip.test b/perfschema/mysql-test/innodb-zip.test new file mode 100644 index 00000000000..fdb9b89e37a --- /dev/null +++ b/perfschema/mysql-test/innodb-zip.test @@ -0,0 +1,343 @@ +-- source include/have_innodb.inc + +let $per_table=`select @@innodb_file_per_table`; +let $format=`select @@innodb_file_format`; +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; +set global innodb_file_per_table=off; +set global innodb_file_format=`0`; + +create table t0(a int primary key) engine=innodb row_format=compressed; +create table t00(a int primary key) engine=innodb +key_block_size=4 row_format=compressed; +create table t1(a int primary key) engine=innodb row_format=dynamic; +create table t2(a int primary key) engine=innodb row_format=redundant; +create table t3(a int primary key) engine=innodb row_format=compact; +create table t4(a int primary key) engine=innodb key_block_size=9; +create table t5(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; + +set global innodb_file_per_table=on; +create table t6(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +set global innodb_file_format=`1`; +create table t7(a int primary key) engine=innodb +key_block_size=1 row_format=redundant; +create table t8(a int primary key) engine=innodb +key_block_size=1 row_format=fixed; +create table t9(a int primary key) engine=innodb +key_block_size=1 row_format=compact; +create table t10(a int primary key) engine=innodb +key_block_size=1 row_format=dynamic; +create table t11(a int primary key) engine=innodb +key_block_size=1 row_format=compressed; +create table t12(a int primary key) engine=innodb +key_block_size=1; +create table t13(a int primary key) engine=innodb +row_format=compressed; +create table t14(a int primary key) engine=innodb key_block_size=9; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; + +drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; +alter table t1 key_block_size=0; +alter table t1 row_format=dynamic; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +alter table t1 row_format=compact; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +alter table t1 row_format=redundant; +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t1; + +create table t1(a int not null, b text, index(b(10))) engine=innodb +key_block_size=1; + +create table t2(b text)engine=innodb; +insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); + +insert into t1 select 1, b from t2; +commit; + +connect (a,localhost,root,,); +connect (b,localhost,root,,); + +connection a; +begin; +update t1 set b=repeat('B',100); + +connection b; +select a,left(b,40) from t1 natural join t2; + +connection a; +rollback; + +connection b; +select a,left(b,40) from t1 natural join t2; + +connection default; +disconnect a; +disconnect b; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t1,t2; + +# The following should fail even in non-strict mode. +SET SESSION innodb_strict_mode = off; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE t1( + c TEXT NOT NULL, d TEXT NOT NULL, + PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE t1( + c TEXT NOT NULL, d TEXT NOT NULL, + PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; +CREATE TABLE t1( + c TEXT NOT NULL, d TEXT NOT NULL, + PRIMARY KEY (c(767),d(767))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; +drop table t1; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) +ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; +INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); +DROP TABLE t1; + +# +# Test blob column inheritance (mantis issue#36) +# + +create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, + primary key(c1, c2(22), c3(22))) + engine = innodb row_format = dynamic; +begin; +insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), + repeat('C', 20000)); + +update t1 set c3 = repeat('D', 20000) where c1 = 1; +commit; + +# one blob column which is unchanged in update and part of PK +# one blob column which is changed and part of of PK +# one blob column which is not part of PK and is unchanged +select count(*) from t1 where c2 = repeat('A', 20000); +select count(*) from t1 where c3 = repeat('D', 20000); +select count(*) from t1 where c4 = repeat('C', 20000); + +update t1 set c3 = repeat('E', 20000) where c1 = 1; +drop table t1; + +# +# +# Test innodb_file_format +# +set global innodb_file_format=`0`; +select @@innodb_file_format; +set global innodb_file_format=`1`; +select @@innodb_file_format; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=`2`; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=`-1`; +set global innodb_file_format=`Antelope`; +set global innodb_file_format=`Barracuda`; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=`Cheetah`; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=`abc`; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=`1a`; +-- error ER_WRONG_ARGUMENTS +set global innodb_file_format=``; + +#test strict mode. +# this does not work anymore, has been removed from mysqltest +# -- enable_errors +set global innodb_file_per_table = on; +set global innodb_file_format = `1`; + +set innodb_strict_mode = off; +create table t1 (id int primary key) engine = innodb key_block_size = 0; +drop table t1; + +#set strict_mode +set innodb_strict_mode = on; + +#Test different values of KEY_BLOCK_SIZE + +--error ER_CANT_CREATE_TABLE +create table t1 (id int primary key) engine = innodb key_block_size = 0; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb key_block_size = 9; +show warnings; + + +create table t3 (id int primary key) engine = innodb key_block_size = 1; +create table t4 (id int primary key) engine = innodb key_block_size = 2; +create table t5 (id int primary key) engine = innodb key_block_size = 4; +create table t6 (id int primary key) engine = innodb key_block_size = 8; +create table t7 (id int primary key) engine = innodb key_block_size = 16; + +#check various ROW_FORMAT values. +create table t8 (id int primary key) engine = innodb row_format = compressed; +create table t9 (id int primary key) engine = innodb row_format = dynamic; +create table t10(id int primary key) engine = innodb row_format = compact; +create table t11(id int primary key) engine = innodb row_format = redundant; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; + +#test different values of ROW_FORMAT with KEY_BLOCK_SIZE +create table t1 (id int primary key) engine = innodb +key_block_size = 8 row_format = compressed; + +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb +key_block_size = 8 row_format = redundant; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t3 (id int primary key) engine = innodb +key_block_size = 8 row_format = compact; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t4 (id int primary key) engine = innodb +key_block_size = 8 row_format = dynamic; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t5 (id int primary key) engine = innodb +key_block_size = 8 row_format = default; +show warnings; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t1; + +#test multiple errors +--error ER_CANT_CREATE_TABLE +create table t1 (id int primary key) engine = innodb +key_block_size = 9 row_format = redundant; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb +key_block_size = 9 row_format = compact; +show warnings; + +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb +key_block_size = 9 row_format = dynamic; +show warnings; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; + +#test valid values with innodb_file_per_table unset +set global innodb_file_per_table = off; + +--error ER_CANT_CREATE_TABLE +create table t1 (id int primary key) engine = innodb key_block_size = 1; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb key_block_size = 2; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t3 (id int primary key) engine = innodb key_block_size = 4; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t4 (id int primary key) engine = innodb key_block_size = 8; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t5 (id int primary key) engine = innodb key_block_size = 16; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t6 (id int primary key) engine = innodb row_format = compressed; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t7 (id int primary key) engine = innodb row_format = dynamic; +show warnings; +create table t8 (id int primary key) engine = innodb row_format = compact; +create table t9 (id int primary key) engine = innodb row_format = redundant; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t8, t9; + +#test valid values with innodb_file_format unset +set global innodb_file_per_table = on; +set global innodb_file_format = `0`; + +--error ER_CANT_CREATE_TABLE +create table t1 (id int primary key) engine = innodb key_block_size = 1; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t2 (id int primary key) engine = innodb key_block_size = 2; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t3 (id int primary key) engine = innodb key_block_size = 4; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t4 (id int primary key) engine = innodb key_block_size = 8; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t5 (id int primary key) engine = innodb key_block_size = 16; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t6 (id int primary key) engine = innodb row_format = compressed; +show warnings; +--error ER_CANT_CREATE_TABLE +create table t7 (id int primary key) engine = innodb row_format = dynamic; +show warnings; +create table t8 (id int primary key) engine = innodb row_format = compact; +create table t9 (id int primary key) engine = innodb row_format = redundant; + +SELECT table_schema, table_name, row_format +FROM information_schema.tables WHERE engine='innodb'; +drop table t8, t9; + +eval set global innodb_file_per_table=$per_table; +eval set global innodb_file_format=$format; +# +# Testing of tablespace tagging +# +-- disable_info +set global innodb_file_per_table=on; +set global innodb_file_format=`Barracuda`; +set global innodb_file_format_check=`Antelope`; +create table normal_table ( + c1 int +) engine = innodb; +select @@innodb_file_format_check; +create table zip_table ( + c1 int +) engine = innodb key_block_size = 8; +select @@innodb_file_format_check; +set global innodb_file_format_check=`Antelope`; +select @@innodb_file_format_check; +-- disable_result_log +show table status; +-- enable_result_log +select @@innodb_file_format_check; +drop table normal_table, zip_table; +-- disable_result_log + +# +# restore environment to the state it was before this test execution +# + +-- disable_query_log +eval set global innodb_file_format=$format; +eval set global innodb_file_per_table=$per_table; +eval set global innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/perfschema/mysql-test/innodb.result b/perfschema/mysql-test/innodb.result new file mode 100644 index 00000000000..d7f4731436b --- /dev/null +++ b/perfschema/mysql-test/innodb.result @@ -0,0 +1,3318 @@ +drop table if exists t1,t2,t3,t4; +drop database if exists mysqltest; +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +update ignore t1 set id = 8, name = 'Sinisa' where id < 3; +select id, code, name from t1 order by id; +id code name +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +8 1 Sinisa +update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; +select id, code, name from t1 order by id; +id code name +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +8 1 Sinisa +12 1 Ralph +drop table t1; +CREATE TABLE t1 ( +id int(11) NOT NULL auto_increment, +parent_id int(11) DEFAULT '0' NOT NULL, +level tinyint(4) DEFAULT '0' NOT NULL, +PRIMARY KEY (id), +KEY parent_id (parent_id), +KEY level (level) +) engine=innodb; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +id parent_id level +8 102 2 +9 102 2 +15 102 2 +update t1 set id=id+1000; +update t1 set id=1024 where id=1009; +Got one of the listed errors +select * from t1; +id parent_id level +1001 100 0 +1002 101 1 +1003 101 1 +1004 101 1 +1005 101 1 +1006 101 1 +1007 101 1 +1008 102 2 +1009 102 2 +1015 102 2 +1016 103 2 +1017 103 2 +1018 103 2 +1019 103 2 +1020 103 2 +1021 104 2 +1022 104 2 +1024 104 2 +1025 105 2 +1026 105 2 +1027 105 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1034 106 2 +1035 106 2 +1036 107 2 +1037 107 2 +1038 107 2 +1040 107 2 +1157 100 0 +1179 105 2 +1183 104 2 +1193 105 2 +1202 107 2 +1203 107 2 +update ignore t1 set id=id+1; +select * from t1; +id parent_id level +1001 100 0 +1002 101 1 +1003 101 1 +1004 101 1 +1005 101 1 +1006 101 1 +1007 101 1 +1008 102 2 +1010 102 2 +1015 102 2 +1016 103 2 +1017 103 2 +1018 103 2 +1019 103 2 +1020 103 2 +1021 104 2 +1023 104 2 +1024 104 2 +1025 105 2 +1026 105 2 +1027 105 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1034 106 2 +1035 106 2 +1036 107 2 +1037 107 2 +1039 107 2 +1041 107 2 +1158 100 0 +1180 105 2 +1184 104 2 +1194 105 2 +1202 107 2 +1204 107 2 +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +id parent_id level +1008 102 2 +1010 102 2 +1015 102 2 +explain select level from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # Using index +explain select level,id from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # Using index +explain select level,id,parent_id from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # +select level,id from t1 where level=1; +level id +1 1002 +1 1003 +1 1004 +1 1005 +1 1006 +1 1007 +select level,id,parent_id from t1 where level=1; +level id parent_id +1 1002 101 +1 1003 101 +1 1004 101 +1 1005 101 +1 1006 101 +1 1007 101 +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead +test.t1 optimize status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 id A # NULL NULL BTREE +t1 1 parent_id 1 parent_id A # NULL NULL BTREE +t1 1 level 1 level A # NULL NULL BTREE +drop table t1; +CREATE TABLE t1 ( +gesuchnr int(11) DEFAULT '0' NOT NULL, +benutzer_id int(11) DEFAULT '0' NOT NULL, +PRIMARY KEY (gesuchnr,benutzer_id) +) engine=innodb; +replace into t1 (gesuchnr,benutzer_id) values (2,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +select * from t1; +gesuchnr benutzer_id +1 1 +2 1 +drop table t1; +create table t1 (a int) engine=innodb; +insert into t1 values (1), (2); +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead +test.t1 optimize status OK +delete from t1 where a = 1; +select * from t1; +a +2 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +drop table t1; +create table t1 (a int,b varchar(20)) engine=innodb; +insert into t1 values (1,""), (2,"testing"); +delete from t1 where a = 1; +select * from t1; +a b +2 testing +create index skr on t1 (a); +insert into t1 values (3,""), (4,"testing"); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 1 skr 1 a A # NULL NULL YES BTREE +drop table t1; +create table t1 (a int,b varchar(20),key(a)) engine=innodb; +insert into t1 values (1,""), (2,"testing"); +select * from t1 where a = 1; +a b +1 +drop table t1; +create table t1 (n int not null primary key) engine=innodb; +set autocommit=0; +insert into t1 values (4); +rollback; +select n, "after rollback" from t1; +n after rollback +insert into t1 values (4); +commit; +select n, "after commit" from t1; +n after commit +4 after commit +commit; +insert into t1 values (5); +insert into t1 values (4); +ERROR 23000: Duplicate entry '4' for key 'PRIMARY' +commit; +select n, "after commit" from t1; +n after commit +4 after commit +5 after commit +set autocommit=1; +insert into t1 values (6); +insert into t1 values (4); +ERROR 23000: Duplicate entry '4' for key 'PRIMARY' +select n from t1; +n +4 +5 +6 +set autocommit=0; +begin; +savepoint `my_savepoint`; +insert into t1 values (7); +savepoint `savept2`; +insert into t1 values (3); +select n from t1; +n +3 +4 +5 +6 +7 +savepoint savept3; +rollback to savepoint savept2; +rollback to savepoint savept3; +ERROR 42000: SAVEPOINT savept3 does not exist +rollback to savepoint savept2; +release savepoint `my_savepoint`; +select n from t1; +n +4 +5 +6 +7 +rollback to savepoint `my_savepoint`; +ERROR 42000: SAVEPOINT my_savepoint does not exist +rollback to savepoint savept2; +ERROR 42000: SAVEPOINT savept2 does not exist +insert into t1 values (8); +savepoint sv; +commit; +savepoint sv; +set autocommit=1; +rollback; +drop table t1; +create table t1 (n int not null primary key) engine=innodb; +start transaction; +insert into t1 values (4); +flush tables with read lock; +commit; +unlock tables; +commit; +select * from t1; +n +4 +drop table t1; +create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; +begin; +insert into t1 values(1,'hamdouni'); +select id as afterbegin_id,nom as afterbegin_nom from t1; +afterbegin_id afterbegin_nom +1 hamdouni +rollback; +select id as afterrollback_id,nom as afterrollback_nom from t1; +afterrollback_id afterrollback_nom +set autocommit=0; +insert into t1 values(2,'mysql'); +select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; +afterautocommit0_id afterautocommit0_nom +2 mysql +rollback; +select id as afterrollback_id,nom as afterrollback_nom from t1; +afterrollback_id afterrollback_nom +set autocommit=1; +drop table t1; +CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; +insert into t1 values ('pippo', 12); +insert into t1 values ('pippo', 12); +ERROR 23000: Duplicate entry 'pippo' for key 'PRIMARY' +delete from t1; +delete from t1 where id = 'pippo'; +select * from t1; +id val +insert into t1 values ('pippo', 12); +set autocommit=0; +delete from t1; +rollback; +select * from t1; +id val +pippo 12 +delete from t1; +commit; +select * from t1; +id val +drop table t1; +create table t1 (a integer) engine=innodb; +start transaction; +rename table t1 to t2; +create table t1 (b integer) engine=innodb; +insert into t1 values (1); +rollback; +drop table t1; +rename table t2 to t1; +drop table t1; +set autocommit=1; +CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; +INSERT INTO t1 VALUES (1, 'Jochen'); +select * from t1; +ID NAME +1 Jochen +drop table t1; +CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; +set autocommit=0; +INSERT INTO t1 SET _userid='marc@anyware.co.uk'; +COMMIT; +SELECT * FROM t1; +_userid +marc@anyware.co.uk +SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; +_userid +marc@anyware.co.uk +drop table t1; +set autocommit=1; +CREATE TABLE t1 ( +user_id int(10) DEFAULT '0' NOT NULL, +name varchar(100), +phone varchar(100), +ref_email varchar(100) DEFAULT '' NOT NULL, +detail varchar(200), +PRIMARY KEY (user_id,ref_email) +)engine=innodb; +INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); +select * from t1 where user_id=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); +select * from t1 where user_id=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +select * from t1 where user_id>=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +10293 shirish 2333604 shirish@yahoo.com ddsds +select * from t1 where user_id>10292; +user_id name phone ref_email detail +10293 shirish 2333604 shirish@yahoo.com ddsds +select * from t1 where user_id<10292; +user_id name phone ref_email detail +10291 sanjeev 29153373 sansh777@hotmail.com xxx +drop table t1; +CREATE TABLE t1 (a int not null, b int not null,c int not null, +key(a),primary key(a,b), unique(c),key(a),unique(b)); +show index from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE +t1 0 PRIMARY 2 b A # NULL NULL BTREE +t1 0 c 1 c A # NULL NULL BTREE +t1 0 b 1 b A # NULL NULL BTREE +t1 1 a 1 a A # NULL NULL BTREE +t1 1 a_2 1 a A # NULL NULL BTREE +drop table t1; +create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); +alter table t1 engine=innodb; +insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); +select * from t1; +col1 col2 +1 1 +2 3 +3 4 +4 4 +5 2 +update t1 set col2='7' where col1='4'; +select * from t1; +col1 col2 +1 1 +2 3 +3 4 +4 7 +5 2 +alter table t1 add co3 int not null; +select * from t1; +col1 col2 co3 +1 1 0 +2 3 0 +3 4 0 +4 7 0 +5 2 0 +update t1 set col2='9' where col1='2'; +select * from t1; +col1 col2 co3 +1 1 0 +2 9 0 +3 4 0 +4 7 0 +5 2 0 +drop table t1; +create table t1 (a int not null , b int, primary key (a)) engine = innodb; +create table t2 (a int not null , b int, primary key (a)) engine = myisam; +insert into t1 VALUES (1,3) , (2,3), (3,3); +select * from t1; +a b +1 3 +2 3 +3 3 +insert into t2 select * from t1; +select * from t2; +a b +1 3 +2 3 +3 3 +delete from t1 where b = 3; +select * from t1; +a b +insert into t1 select * from t2; +select * from t1; +a b +1 3 +2 3 +3 3 +select * from t2; +a b +1 3 +2 3 +3 3 +drop table t1,t2; +CREATE TABLE t1 ( +user_name varchar(12), +password text, +subscribed char(1), +user_id int(11) DEFAULT '0' NOT NULL, +quota bigint(20), +weight double, +access_date date, +access_time time, +approved datetime, +dummy_primary_key int(11) NOT NULL auto_increment, +PRIMARY KEY (dummy_primary_key) +) ENGINE=innodb; +INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); +INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); +INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); +INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); +INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); +select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; +user_name password subscribed user_id quota weight access_date access_time approved dummy_primary_key +user_0 somepassword N 0 0 0 2000-09-07 23:06:59 2000-09-07 23:06:59 1 +user_1 somepassword Y 1 1 1 2000-09-07 23:06:59 2000-09-07 23:06:59 2 +user_2 somepassword N 2 2 1.4142135623731 2000-09-07 23:06:59 2000-09-07 23:06:59 3 +user_3 somepassword Y 3 3 1.7320508075689 2000-09-07 23:06:59 2000-09-07 23:06:59 4 +user_4 somepassword N 4 4 2 2000-09-07 23:06:59 2000-09-07 23:06:59 5 +drop table t1; +CREATE TABLE t1 ( +id int(11) NOT NULL auto_increment, +parent_id int(11) DEFAULT '0' NOT NULL, +level tinyint(4) DEFAULT '0' NOT NULL, +KEY (id), +KEY parent_id (parent_id), +KEY level (level) +) engine=innodb; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); +INSERT INTO t1 values (179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +id parent_id level +8 102 2 +9 102 2 +15 102 2 +update t1 set id=id+1000; +update t1 set id=1024 where id=1009; +select * from t1; +id parent_id level +1001 100 0 +1003 101 1 +1004 101 1 +1008 102 2 +1024 102 2 +1017 103 2 +1022 104 2 +1024 104 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1203 107 2 +1202 107 2 +1020 103 2 +1157 100 0 +1193 105 2 +1040 107 2 +1002 101 1 +1015 102 2 +1006 101 1 +1034 106 2 +1035 106 2 +1016 103 2 +1007 101 1 +1036 107 2 +1018 103 2 +1026 105 2 +1027 105 2 +1183 104 2 +1038 107 2 +1025 105 2 +1037 107 2 +1021 104 2 +1019 103 2 +1005 101 1 +1179 105 2 +update ignore t1 set id=id+1; +select * from t1; +id parent_id level +1002 100 0 +1004 101 1 +1005 101 1 +1009 102 2 +1025 102 2 +1018 103 2 +1023 104 2 +1025 104 2 +1029 105 2 +1030 105 2 +1031 105 2 +1032 106 2 +1033 106 2 +1034 106 2 +1204 107 2 +1203 107 2 +1021 103 2 +1158 100 0 +1194 105 2 +1041 107 2 +1003 101 1 +1016 102 2 +1007 101 1 +1035 106 2 +1036 106 2 +1017 103 2 +1008 101 1 +1037 107 2 +1019 103 2 +1027 105 2 +1028 105 2 +1184 104 2 +1039 107 2 +1026 105 2 +1038 107 2 +1022 104 2 +1020 103 2 +1006 101 1 +1180 105 2 +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +id parent_id level +1009 102 2 +1025 102 2 +1016 102 2 +explain select level from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # Using index +select level,id from t1 where level=1; +level id +1 1004 +1 1005 +1 1003 +1 1007 +1 1008 +1 1006 +select level,id,parent_id from t1 where level=1; +level id parent_id +1 1004 101 +1 1005 101 +1 1003 101 +1 1007 101 +1 1008 101 +1 1006 101 +select level,id from t1 where level=1 order by id; +level id +1 1003 +1 1004 +1 1005 +1 1006 +1 1007 +1 1008 +delete from t1 where level=1; +select * from t1; +id parent_id level +1002 100 0 +1009 102 2 +1025 102 2 +1018 103 2 +1023 104 2 +1025 104 2 +1029 105 2 +1030 105 2 +1031 105 2 +1032 106 2 +1033 106 2 +1034 106 2 +1204 107 2 +1203 107 2 +1021 103 2 +1158 100 0 +1194 105 2 +1041 107 2 +1016 102 2 +1035 106 2 +1036 106 2 +1017 103 2 +1037 107 2 +1019 103 2 +1027 105 2 +1028 105 2 +1184 104 2 +1039 107 2 +1026 105 2 +1038 107 2 +1022 104 2 +1020 103 2 +1180 105 2 +drop table t1; +CREATE TABLE t1 ( +sca_code char(6) NOT NULL, +cat_code char(6) NOT NULL, +sca_desc varchar(50), +lan_code char(2) NOT NULL, +sca_pic varchar(100), +sca_sdesc varchar(50), +sca_sch_desc varchar(16), +PRIMARY KEY (sca_code, cat_code, lan_code), +INDEX sca_pic (sca_pic) +) engine = innodb ; +INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); +select count(*) from t1 where sca_code = 'PD'; +count(*) +1 +select count(*) from t1 where sca_code <= 'PD'; +count(*) +1 +select count(*) from t1 where sca_pic is null; +count(*) +2 +alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +count(*) +1 +select count(*) from t1 where cat_code='E'; +count(*) +0 +alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +count(*) +1 +select count(*) from t1 where sca_pic >= 'n'; +count(*) +1 +select sca_pic from t1 where sca_pic is null; +sca_pic +NULL +NULL +update t1 set sca_pic="test" where sca_pic is null; +delete from t1 where sca_code='pd'; +drop table t1; +set @a:=now(); +CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; +insert into t1 (a) values(1),(2),(3); +select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; +a +1 +2 +3 +select a from t1 natural join t1 as t2 where b >= @a order by a; +a +1 +2 +3 +update t1 set a=5 where a=1; +select a from t1; +a +2 +3 +5 +drop table t1; +create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; +insert into t1 values("hello",1),("world",2); +select * from t1 order by b desc; +a b +world 2 +hello 1 +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead +test.t1 optimize status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE +drop table t1; +create table t1 (i int, j int ) ENGINE=innodb; +insert into t1 values (1,2); +select * from t1 where i=1 and j=2; +i j +1 2 +create index ax1 on t1 (i,j); +select * from t1 where i=1 and j=2; +i j +1 2 +drop table t1; +CREATE TABLE t1 ( +a int3 unsigned NOT NULL, +b int1 unsigned NOT NULL, +UNIQUE (a, b) +) ENGINE = innodb; +INSERT INTO t1 VALUES (1, 1); +SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; +MIN(B) MAX(b) +1 1 +drop table t1; +CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; +INSERT INTO t1 VALUES (1); +SELECT * FROM t1; +a +1 +DROP TABLE t1; +create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; +insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); +explain select * from t1 where a > 0 and a < 50; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where +drop table t1; +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' +select id from t1; +id +0 +1 +2 +select id from t1; +id +0 +1 +2 +UNLOCK TABLES; +DROP TABLE t1; +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +begin; +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' +select id from t1; +id +0 +1 +2 +insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); +commit; +select id,id3 from t1; +id id3 +0 0 +1 1 +2 2 +100 2 +UNLOCK TABLES; +DROP TABLE t1; +create table t1 (a char(20), unique (a(5))) engine=innodb; +drop table t1; +create table t1 (a char(20), index (a(5))) engine=innodb; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` char(20) DEFAULT NULL, + KEY `a` (`a`(5)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; +insert into t1 values (NULL),(NULL),(NULL); +delete from t1 where a=3; +insert into t1 values (NULL); +select * from t1; +a +1 +2 +4 +alter table t1 add b int; +select * from t1; +a b +1 NULL +2 NULL +4 NULL +drop table t1; +create table t1 +( +id int auto_increment primary key, +name varchar(32) not null, +value text not null, +uid int not null, +unique key(name,uid) +) engine=innodb; +insert into t1 values (1,'one','one value',101), +(2,'two','two value',102),(3,'three','three value',103); +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +delete from t1 where uid=102; +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +set insert_id=6; +replace into t1 (value,name,uid) values ('other value','two',102); +select * from t1; +id name value uid +1 one one value 101 +3 three three value 103 +6 two other value 102 +drop table t1; +create database mysqltest; +create table mysqltest.t1 (a int not null) engine= innodb; +insert into mysqltest.t1 values(1); +create table mysqltest.t2 (a int not null) engine= myisam; +insert into mysqltest.t2 values(1); +create table mysqltest.t3 (a int not null) engine= heap; +insert into mysqltest.t3 values(1); +commit; +drop database mysqltest; +show tables from mysqltest; +ERROR 42000: Unknown database 'mysqltest' +set autocommit=0; +create table t1 (a int not null) engine= innodb; +insert into t1 values(1),(2); +truncate table t1; +commit; +truncate table t1; +truncate table t1; +select * from t1; +a +insert into t1 values(1),(2); +delete from t1; +select * from t1; +a +commit; +drop table t1; +set autocommit=1; +create table t1 (a int not null) engine= innodb; +insert into t1 values(1),(2); +truncate table t1; +insert into t1 values(1),(2); +select * from t1; +a +1 +2 +truncate table t1; +insert into t1 values(1),(2); +delete from t1; +select * from t1; +a +drop table t1; +create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; +insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); +explain select * from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL # +explain select * from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select * from t1 order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select a from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL # Using index +explain select b from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 4 NULL # Using index +explain select a,b from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 4 NULL # Using index +explain select a,b from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 4 NULL # Using index +explain select a,b,c from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # +drop table t1; +create table t1 (t int not null default 1, key (t)) engine=innodb; +desc t1; +Field Type Null Key Default Extra +t int(11) NO MUL 1 +drop table t1; +CREATE TABLE t1 ( +number bigint(20) NOT NULL default '0', +cname char(15) NOT NULL default '', +carrier_id smallint(6) NOT NULL default '0', +privacy tinyint(4) NOT NULL default '0', +last_mod_date timestamp NOT NULL, +last_mod_id smallint(6) NOT NULL default '0', +last_app_date timestamp NOT NULL, +last_app_id smallint(6) default '-1', +version smallint(6) NOT NULL default '0', +assigned_scps int(11) default '0', +status tinyint(4) default '0' +) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); +INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); +INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); +INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); +INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); +INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); +CREATE TABLE t2 ( +number bigint(20) NOT NULL default '0', +cname char(15) NOT NULL default '', +carrier_id smallint(6) NOT NULL default '0', +privacy tinyint(4) NOT NULL default '0', +last_mod_date timestamp NOT NULL, +last_mod_id smallint(6) NOT NULL default '0', +last_app_date timestamp NOT NULL, +last_app_id smallint(6) default '-1', +version smallint(6) NOT NULL default '0', +assigned_scps int(11) default '0', +status tinyint(4) default '0' +) ENGINE=InnoDB; +INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); +INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); +INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); +INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); +select * from t1; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +4077711111 SeanWheeler 90 2 2002-01-11 11:28:46 500 0000-00-00 00:00:00 -1 2 3 1 +9197722223 berry 90 3 2002-01-11 11:28:09 500 2002-01-02 11:45:32 501 4 10 0 +650 San Francisco 0 0 2001-12-27 11:13:36 342 0000-00-00 00:00:00 -1 1 24 1 +302467 Sue's Subshop 90 3 2002-01-09 11:32:41 500 2002-01-02 11:51:11 501 7 24 0 +6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 +333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +4077711111 SeanWheeler 0 2 2002-01-11 11:28:53 500 0000-00-00 00:00:00 -1 2 3 1 +9197722223 berry 90 3 2002-01-11 11:28:18 500 2002-01-02 11:45:32 501 4 10 0 +650 San Francisco 90 0 2002-01-09 11:31:58 342 0000-00-00 00:00:00 -1 1 24 1 +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); +select * from t1; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 +333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +drop table t1,t2; +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +SELECT @@tx_isolation,@@global.tx_isolation; +@@tx_isolation @@global.tx_isolation +SERIALIZABLE REPEATABLE-READ +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +COMMIT; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; +insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +COMMIT; +SET binlog_format='MIXED'; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; +insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +COMMIT; +DROP TABLE t1; +create table t1 (n int(10), d int(10)) engine=innodb; +create table t2 (n int(10), d int(10)) engine=innodb; +insert into t1 values(1,1),(1,2); +insert into t2 values(1,10),(2,20); +UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; +select * from t1; +n d +1 10 +1 10 +select * from t2; +n d +1 30 +2 20 +drop table t1,t2; +drop table if exists t1, t2; +CREATE TABLE t1 (a int, PRIMARY KEY (a)); +CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; +create trigger trg_del_t2 after delete on t2 for each row +insert into t1 values (1); +insert into t1 values (1); +insert into t2 values (1),(2); +delete t2 from t2; +ERROR 23000: Duplicate entry '1' for key 'PRIMARY' +select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; +count(*) +2 +drop table t1, t2; +drop table if exists t1, t2; +CREATE TABLE t1 (a int, PRIMARY KEY (a)); +CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; +create trigger trg_del_t2 after delete on t2 for each row +insert into t1 values (1); +insert into t1 values (1); +insert into t2 values (1),(2); +delete t2 from t2; +ERROR 23000: Duplicate entry '1' for key 'PRIMARY' +select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; +count(*) +2 +drop table t1, t2; +create table t1 (a int, b int) engine=innodb; +insert into t1 values(20,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a; +b ifnull(t2.b,"this is null") +NULL this is null +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +b ifnull(t2.b,"this is null") +NULL this is null +insert into t1 values(10,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +b ifnull(t2.b,"this is null") +NULL this is null +NULL this is null +drop table t1; +create table t1 (a varchar(10) not null) engine=myisam; +create table t2 (b varchar(10) not null unique) engine=innodb; +select t1.a from t1,t2 where t1.a=t2.b; +a +drop table t1,t2; +create table t1 (a int not null, b int, primary key (a)) engine = innodb; +create table t2 (a int not null, b int, primary key (a)) engine = innodb; +insert into t1 values (10, 20); +insert into t2 values (10, 20); +update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; +drop table t1,t2; +CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; +CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; +insert into t1 set id=1; +insert into t2 set id=1, t1_id=1; +delete t1,t2 from t1,t2 where t1.id=t2.t1_id; +select * from t1; +id +select * from t2; +id t1_id +drop table t2,t1; +CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; +CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; +INSERT INTO t1 VALUES(1); +INSERT INTO t2 VALUES(1, 1); +SELECT * from t1; +id +1 +UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; +SELECT * from t1; +id +2 +UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; +SELECT * from t1; +id +3 +DROP TABLE t1,t2; +set autocommit=0; +CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; +CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; +CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; +INSERT INTO t3 VALUES("my-test-1", "my-test-2"); +COMMIT; +INSERT INTO t1 VALUES("this-key", "will disappear"); +INSERT INTO t2 VALUES("this-key", "will also disappear"); +DELETE FROM t3 WHERE id1="my-test-1"; +SELECT * FROM t1; +id value +this-key will disappear +SELECT * FROM t2; +id value +this-key will also disappear +SELECT * FROM t3; +id1 id2 +ROLLBACK; +SELECT * FROM t1; +id value +SELECT * FROM t2; +id value +SELECT * FROM t3; +id1 id2 +my-test-1 my-test-2 +SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; +id1 id2 +my-test-1 my-test-2 +COMMIT; +set autocommit=1; +DROP TABLE t1,t2,t3; +CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; +SELECT * from t1; +a b +1 1 +102 2 +103 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +drop table t1; +CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; +CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); +INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +update t1,t2 set t1.a=t1.a+100; +select * from t1; +a b +101 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update t1,t2 set t1.a=t1.a+100 where t1.a=101; +select * from t1; +a b +201 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update t1,t2 set t1.b=t1.b+10 where t1.b=2; +select * from t1; +a b +201 1 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +102 12 +112 12 +update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; +select * from t1; +a b +201 1 +103 5 +104 6 +106 6 +105 7 +107 7 +108 8 +109 9 +110 10 +111 11 +102 12 +112 12 +select * from t2; +a b +1 1 +2 2 +6 6 +7 7 +8 8 +9 9 +3 13 +4 14 +5 15 +drop table t1,t2; +CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; +CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; +SET AUTOCOMMIT=0; +INSERT INTO t1 ( B_ID ) VALUES ( 1 ); +INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); +ROLLBACK; +Warnings: +Warning 1196 Some non-transactional changed tables couldn't be rolled back +SELECT * FROM t1; +B_ID +drop table t1,t2; +create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; +insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); +select distinct parent,child from t1 order by parent; +parent child +0 4 +1 2 +1 3 +2 1 +drop table t1; +create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; +create table t2 (a int not null auto_increment primary key, b int); +insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); +insert into t2 (a) select b from t1; +insert into t1 (b) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +select count(*) from t1; +count(*) +623 +explain select * from t1 where c between 1 and 2500; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range c c 5 NULL # Using where +update t1 set c=a; +explain select * from t1 where c between 1 and 2500; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL c NULL NULL NULL # Using where +drop table t1,t2; +create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; +insert into t1 (id) values (null),(null),(null),(null),(null); +update t1 set fk=69 where fk is null order by id limit 1; +SELECT * from t1; +id fk +2 NULL +3 NULL +4 NULL +5 NULL +1 69 +drop table t1; +create table t1 (a int not null, b int not null, key (a)); +insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); +SET @tmp=0; +update t1 set b=(@tmp:=@tmp+1) order by a; +update t1 set b=99 where a=1 order by b asc limit 1; +update t1 set b=100 where a=1 order by b desc limit 2; +update t1 set a=a+10+b where a=1 order by b; +select * from t1 order by a,b; +a b +2 4 +2 5 +2 6 +3 7 +3 8 +3 9 +3 10 +3 11 +3 12 +13 2 +111 100 +111 100 +drop table t1; +create table t1 ( c char(8) not null ) engine=innodb; +insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); +insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); +alter table t1 add b char(8) not null; +alter table t1 add a char(8) not null; +alter table t1 add primary key (a,b,c); +update t1 set a=c, b=c; +create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; +insert into t2 select * from t1; +delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; +drop table t1,t2; +SET AUTOCOMMIT=1; +create table t1 (a integer auto_increment primary key) engine=innodb; +insert into t1 (a) values (NULL),(NULL); +truncate table t1; +insert into t1 (a) values (NULL),(NULL); +SELECT * from t1; +a +1 +2 +drop table t1; +CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; +CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; +drop table t2,t1; +create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; +insert into `t1`values ( 1 ) ; +create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; +insert into `t2`values ( 1 ) ; +create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; +insert into `t3`values ( 1 ) ; +delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) +update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) +update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +ERROR 42S22: Unknown column 't1.id' in 'where clause' +drop table t3,t2,t1; +create table t1( +id int primary key, +pid int, +index(pid), +foreign key(pid) references t1(id) on delete cascade) engine=innodb; +insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), +(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); +delete from t1 where id=0; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `t1` (`id`) ON DELETE CASCADE) +delete from t1 where id=15; +delete from t1 where id=0; +drop table t1; +CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; +CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx +(stamp))ENGINE=InnoDB; +insert into t1 values (1),(2),(3); +insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); +Warnings: +Warning 1265 Data truncated for column 'stamp' at row 3 +SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < +'20020204120000' GROUP BY col1; +col1 +1 +2 +3 +4 +drop table t1,t2; +CREATE TABLE t1 ( +`id` int(10) unsigned NOT NULL auto_increment, +`id_object` int(10) unsigned default '0', +`id_version` int(10) unsigned NOT NULL default '1', +`label` varchar(100) NOT NULL default '', +`description` text, +PRIMARY KEY (`id`), +KEY `id_object` (`id_object`), +KEY `id_version` (`id_version`) +) ENGINE=InnoDB; +INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); +CREATE TABLE t2 ( +`id` int(10) unsigned NOT NULL auto_increment, +`id_version` int(10) unsigned NOT NULL default '1', +PRIMARY KEY (`id`), +KEY `id_version` (`id_version`) +) ENGINE=InnoDB; +INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); +SELECT t2.id, t1.`label` FROM t2 INNER JOIN +(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl +ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); +id label +3382 Test +102 Le Pekin (Test) +1794 Test de resto +1822 Test 3 +3524 Societe Test +3525 Fournisseur Test +drop table t1,t2; +create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; +create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; +create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; +insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); +insert t2 select * from t1; +insert t3 select * from t1; +checksum table t1, t2, t3, t4 quick; +Table Checksum +test.t1 2948697075 +test.t2 NULL +test.t3 NULL +test.t4 NULL +Warnings: +Error 1146 Table 'test.t4' doesn't exist +checksum table t1, t2, t3, t4; +Table Checksum +test.t1 2948697075 +test.t2 2948697075 +test.t3 2948697075 +test.t4 NULL +Warnings: +Error 1146 Table 'test.t4' doesn't exist +checksum table t1, t2, t3, t4 extended; +Table Checksum +test.t1 2948697075 +test.t2 2948697075 +test.t3 2948697075 +test.t4 NULL +Warnings: +Error 1146 Table 'test.t4' doesn't exist +drop table t1,t2,t3; +create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; +insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); +select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; +trim(name2) +fff +sss +ttt +first +second +third +1 +2 +3 +drop table t1; +create table t1 (a int) engine=innodb; +create table t2 like t1; +drop table t1,t2; +create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; +create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + UNIQUE KEY `id` (`id`,`id2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + KEY `t1_id_fk` (`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +create index id on t2 (id); +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + KEY `id` (`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +create index id2 on t2 (id); +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + KEY `id` (`id`), + KEY `id2` (`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop index id2 on t2; +drop index id on t2; +ERROR HY000: Cannot drop index 'id': needed in a foreign key constraint +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + KEY `id` (`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + KEY `t1_id_fk` (`id`,`id2`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +create unique index id on t2 (id,id2); +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + UNIQUE KEY `id` (`id`,`id2`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + UNIQUE KEY `id` (`id`,`id2`), + KEY `t1_id_fk` (`id2`,`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + UNIQUE KEY `id` (`id`,`id2`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `id2` int(11) NOT NULL, + UNIQUE KEY `id` (`id`,`id2`), + KEY `t1_id_fk` (`id2`,`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL AUTO_INCREMENT, + `id2` int(11) NOT NULL, + PRIMARY KEY (`id`), + KEY `id` (`id`,`id2`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL AUTO_INCREMENT, + `id2` int(11) NOT NULL, + KEY `t1_id_fk` (`id`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t2 add index id_test (id), add index id_test2 (id,id2); +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL AUTO_INCREMENT, + `id2` int(11) NOT NULL, + KEY `id_test` (`id`), + KEY `id_test2` (`id`,`id2`), + CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; +ERROR 42000: Incorrect foreign key definition for 't1_id_fk': Key reference and table reference don't match +create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) NOT NULL AUTO_INCREMENT, + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b_2` (`b`), + KEY `b` (`b`), + CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2; +create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) NOT NULL AUTO_INCREMENT, + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`), + UNIQUE KEY `b` (`b`), + CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`), + CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t2, t1; +create table t1 (c char(10), index (c,c)) engine=innodb; +ERROR 42S21: Duplicate column name 'c' +create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10)) engine=innodb; +alter table t1 add key (c1,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c2,c1,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c1,c2,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c1,c1,c2); +ERROR 42S21: Duplicate column name 'c1' +drop table t1; +create table t1(a int(1) , b int(1)) engine=innodb; +insert into t1 values ('1111', '3333'); +select distinct concat(a, b) from t1; +concat(a, b) +11113333 +drop table t1; +CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; +SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); +ERROR HY000: The used table type doesn't support FULLTEXT indexes +DROP TABLE t1; +CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES (1),(2),(3); +CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), +CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; +INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); +SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; +a_id b_list +1 1,2,3 +2 4,5 +3 NULL +DROP TABLE t2; +DROP TABLE t1; +create temporary table t1 (a int) engine=innodb; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +a +42 +drop table t1; +create table t1 (a int) engine=innodb; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +a +42 +drop table t1; +create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; +insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); +select * from t1 order by a,b,c,d; +a b c d e +1 1 a 1 1 +2 2 b 2 2 +3 3 ab 3 3 +explain select * from t1 order by a,b,c,d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort +drop table t1; +create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +min(a) +4 +select min(b) from t1 where a='8'; +min(b) +6 +drop table t1; +create table t1 (x bigint unsigned not null primary key) engine=innodb; +insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); +select * from t1; +x +18446744073709551600 +18446744073709551601 +select count(*) from t1 where x>0; +count(*) +2 +select count(*) from t1 where x=0; +count(*) +0 +select count(*) from t1 where x<0; +count(*) +0 +select count(*) from t1 where x < -16; +count(*) +0 +select count(*) from t1 where x = -16; +count(*) +0 +explain select count(*) from t1 where x > -16; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 2 Using where; Using index +select count(*) from t1 where x > -16; +count(*) +2 +select * from t1 where x > -16; +x +18446744073709551600 +18446744073709551601 +select count(*) from t1 where x = 18446744073709551601; +count(*) +1 +drop table t1; +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; +variable_value +8191 +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; +variable_value +16384 +SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; +variable_value - @innodb_rows_deleted_orig +71 +SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; +variable_value - @innodb_rows_inserted_orig +1084 +SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; +variable_value - @innodb_rows_updated_orig +885 +SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; +variable_value - @innodb_row_lock_waits_orig +0 +SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; +variable_value - @innodb_row_lock_current_waits_orig +0 +SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; +variable_value - @innodb_row_lock_time_orig +0 +SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; +variable_value - @innodb_row_lock_time_max_orig +0 +SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; +variable_value - @innodb_row_lock_time_avg_orig +0 +SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; +show variables like "innodb_sync_spin_loops"; +Variable_name Value +innodb_sync_spin_loops 30 +set global innodb_sync_spin_loops=1000; +show variables like "innodb_sync_spin_loops"; +Variable_name Value +innodb_sync_spin_loops 1000 +set global innodb_sync_spin_loops=0; +show variables like "innodb_sync_spin_loops"; +Variable_name Value +innodb_sync_spin_loops 0 +set global innodb_sync_spin_loops=20; +show variables like "innodb_sync_spin_loops"; +Variable_name Value +innodb_sync_spin_loops 20 +set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; +show variables like "innodb_thread_concurrency"; +Variable_name Value +innodb_thread_concurrency 0 +set global innodb_thread_concurrency=1001; +Warnings: +Warning 1292 Truncated incorrect thread_concurrency value: '1001' +show variables like "innodb_thread_concurrency"; +Variable_name Value +innodb_thread_concurrency 1000 +set global innodb_thread_concurrency=0; +show variables like "innodb_thread_concurrency"; +Variable_name Value +innodb_thread_concurrency 0 +set global innodb_thread_concurrency=16; +show variables like "innodb_thread_concurrency"; +Variable_name Value +innodb_thread_concurrency 16 +show variables like "innodb_concurrency_tickets"; +Variable_name Value +innodb_concurrency_tickets 500 +set global innodb_concurrency_tickets=1000; +show variables like "innodb_concurrency_tickets"; +Variable_name Value +innodb_concurrency_tickets 1000 +set global innodb_concurrency_tickets=0; +Warnings: +Warning 1292 Truncated incorrect concurrency_tickets value: '0' +show variables like "innodb_concurrency_tickets"; +Variable_name Value +innodb_concurrency_tickets 1 +set global innodb_concurrency_tickets=500; +show variables like "innodb_concurrency_tickets"; +Variable_name Value +innodb_concurrency_tickets 500 +show variables like "innodb_thread_sleep_delay"; +Variable_name Value +innodb_thread_sleep_delay 10000 +set global innodb_thread_sleep_delay=100000; +show variables like "innodb_thread_sleep_delay"; +Variable_name Value +innodb_thread_sleep_delay 100000 +set global innodb_thread_sleep_delay=0; +show variables like "innodb_thread_sleep_delay"; +Variable_name Value +innodb_thread_sleep_delay 0 +set global innodb_thread_sleep_delay=10000; +show variables like "innodb_thread_sleep_delay"; +Variable_name Value +innodb_thread_sleep_delay 10000 +set storage_engine=INNODB; +set session old_alter_table=1; +drop table if exists t1,t2,t3; +--- Testing varchar --- +--- Testing varchar --- +create table t1 (v varchar(10), c char(10), t text); +insert into t1 values('+ ', '+ ', '+ '); +set @a=repeat(' ',20); +insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a)); +Warnings: +Note 1265 Data truncated for column 'v' at row 1 +select concat('*',v,'*',c,'*',t,'*') from t1; +concat('*',v,'*',c,'*',t,'*') +*+ *+*+ * +*+ *+*+ * +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +create table t2 like t1; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +create table t3 select * from t1; +show create table t3; +Table Create Table +t3 CREATE TABLE `t3` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 modify c varchar(10); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` text +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 modify v char(10); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` text +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 modify t varchar(10); +Warnings: +Note 1265 Data truncated for column 't' at row 2 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` varchar(10) DEFAULT NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +select concat('*',v,'*',c,'*',t,'*') from t1; +concat('*',v,'*',c,'*',t,'*') +*+*+*+ * +*+*+*+ * +drop table t1,t2,t3; +create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10))); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `v` (`v`), + KEY `c` (`c`), + KEY `t` (`t`(10)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +select count(*) from t1; +count(*) +270 +insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where c='a'; +count(*) +10 +select count(*) from t1 where t='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where c='a '; +count(*) +10 +select count(*) from t1 where t='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where c like 'a%'; +count(*) +11 +select count(*) from t1 where t like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +explain select count(*) from t1 where c='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref c c 11 const # Using where; Using index +explain select count(*) from t1 where t='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref t t 13 const # Using where +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 13 NULL # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +alter table t1 add unique(v); +ERROR 23000: Duplicate entry '{ ' for key 'v_2' +alter table t1 add key(v); +select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; +qq +*a*a*a* +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v,v_2 # 13 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(c) from t1 group by v limit 10; +v count(c) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(c) from t1 group by v limit 10; +v count(c) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select c,count(*) from t1 group by c limit 10; +c count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select c,count(t) from t1 group by c limit 10; +c count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result c,count(t) from t1 group by c limit 10; +c count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select t,count(*) from t1 group by t limit 10; +t count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select t,count(t) from t1 group by t limit 10; +t count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result t,count(t) from t1 group by t limit 10; +t count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(300) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 303 NULL # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 drop key v, add key v (v(30)); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(300) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`(30)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 33 NULL # Using where +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 modify v varchar(600), drop key v, add key v (v); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(600) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +drop table t1; +create table t1 (a char(10), unique (a)); +insert into t1 values ('a '); +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a' for key 'a' +alter table t1 modify a varchar(10); +insert into t1 values ('a '),('a '),('a '),('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +update t1 set a='a ' where a like 'a%'; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='abc ' where a like 'a '; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='a ' where a like 'a %'; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='a ' where a like 'a '; +select concat(a,'.') from t1; +concat(a,'.') +a . +drop table t1; +create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5))); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `v` (`v`(5)), + KEY `c` (`c`(5)), + KEY `t` (`t`(5)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v char(10) character set utf8); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) CHARACTER SET utf8 DEFAULT NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v varchar(10), c char(10)) row_format=fixed; +Warnings: +Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED +insert into t1 values('a','a'),('a ','a '); +select concat('*',v,'*',c,'*') from t1; +concat('*',v,'*',c,'*') +*a*a* +*a *a* +drop table t1; +create table t1 (v varchar(65530), key(v(10))); +insert into t1 values(repeat('a',65530)); +select length(v) from t1 where v=repeat('a',65530); +length(v) +65530 +drop table t1; +create table t1(a int, b varchar(12), key ba(b, a)); +insert into t1 values (1, 'A'), (20, NULL); +explain select * from t1 where a=20 and b is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index +select * from t1 where a=20 and b is null; +a b +20 NULL +drop table t1; +set session old_alter_table=0; +create table t1 (v varchar(65530), key(v)); +Warnings: +Warning 1071 Specified key was too long; max key length is 767 bytes +drop table t1; +create table t1 (v varchar(65536)); +Warnings: +Note 1246 Converting column 'v' from VARCHAR to TEXT +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` mediumtext +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v varchar(65530) character set utf8); +Warnings: +Note 1246 Converting column 'v' from VARCHAR to TEXT +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` mediumtext CHARACTER SET utf8 +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1; +set storage_engine=MyISAM; +create table t1 (v varchar(16384)) engine=innodb; +drop table t1; +create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +min(a) +4 +select min(b) from t1 where a='8'; +min(b) +6 +drop table t1; +CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; +insert into t1 (b) values (1); +replace into t1 (b) values (2), (1), (3); +select * from t1; +a b +3 1 +2 2 +4 3 +truncate table t1; +insert into t1 (b) values (1); +replace into t1 (b) values (2); +replace into t1 (b) values (1); +replace into t1 (b) values (3); +select * from t1; +a b +3 1 +2 2 +4 3 +drop table t1; +create table t1 (rowid int not null auto_increment, val int not null,primary +key (rowid), unique(val)) engine=innodb; +replace into t1 (val) values ('1'),('2'); +replace into t1 (val) values ('1'),('2'); +insert into t1 (val) values ('1'),('2'); +ERROR 23000: Duplicate entry '1' for key 'val' +select * from t1; +rowid val +3 1 +4 2 +drop table t1; +create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; +insert into t1 (val) values (1); +update t1 set a=2 where a=1; +insert into t1 (val) values (1); +ERROR 23000: Duplicate entry '2' for key 'PRIMARY' +select * from t1; +a val +2 1 +drop table t1; +CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; +INSERT INTO t1 (GRADE) VALUES (151),(252),(343); +SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; +GRADE +252 +SELECT GRADE FROM t1 WHERE GRADE= 151; +GRADE +151 +DROP TABLE t1; +create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; +create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; +insert into t2 values ('aa','cc'); +insert into t1 values ('aa','bb'),('aa','cc'); +delete t1 from t1,t2 where f1=f3 and f4='cc'; +select * from t1; +f1 f2 +drop table t1,t2; +CREATE TABLE t1 ( +id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) +) ENGINE=InnoDB; +CREATE TABLE t2 ( +id INTEGER NOT NULL, +FOREIGN KEY (id) REFERENCES t1 (id) +) ENGINE=InnoDB; +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; +id +1 +TRUNCATE t1; +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; +id +1 +DELETE FROM t1; +TRUNCATE t1; +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; +id +1 +DROP TABLE t2, t1; +CREATE TABLE t1 +( +id INT PRIMARY KEY +) ENGINE=InnoDB; +CREATE TEMPORARY TABLE t2 +( +id INT NOT NULL PRIMARY KEY, +b INT, +FOREIGN KEY (b) REFERENCES test.t1(id) +) ENGINE=InnoDB; +Got one of the listed errors +DROP TABLE t1; +create table t1 (col1 varchar(2000), index (col1(767))) +character set = latin1 engine = innodb; +create table t2 (col1 char(255), index (col1)) +character set = latin1 engine = innodb; +create table t3 (col1 binary(255), index (col1)) +character set = latin1 engine = innodb; +create table t4 (col1 varchar(767), index (col1)) +character set = latin1 engine = innodb; +create table t5 (col1 varchar(767) primary key) +character set = latin1 engine = innodb; +create table t6 (col1 varbinary(767) primary key) +character set = latin1 engine = innodb; +create table t7 (col1 text, index(col1(767))) +character set = latin1 engine = innodb; +create table t8 (col1 blob, index(col1(767))) +character set = latin1 engine = innodb; +create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) +character set = latin1 engine = innodb; +show create table t9; +Table Create Table +t9 CREATE TABLE `t9` ( + `col1` varchar(512) DEFAULT NULL, + `col2` varchar(512) DEFAULT NULL, + KEY `col1` (`col1`,`col2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; +create table t1 (col1 varchar(768), index(col1)) +character set = latin1 engine = innodb; +Warnings: +Warning 1071 Specified key was too long; max key length is 767 bytes +create table t2 (col1 varbinary(768), index(col1)) +character set = latin1 engine = innodb; +Warnings: +Warning 1071 Specified key was too long; max key length is 767 bytes +create table t3 (col1 text, index(col1(768))) +character set = latin1 engine = innodb; +Warnings: +Warning 1071 Specified key was too long; max key length is 767 bytes +create table t4 (col1 blob, index(col1(768))) +character set = latin1 engine = innodb; +Warnings: +Warning 1071 Specified key was too long; max key length is 767 bytes +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `col1` varchar(768) DEFAULT NULL, + KEY `col1` (`col1`(767)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1, t2, t3, t4; +create table t1 (col1 varchar(768) primary key) +character set = latin1 engine = innodb; +ERROR 42000: Specified key was too long; max key length is 767 bytes +create table t2 (col1 varbinary(768) primary key) +character set = latin1 engine = innodb; +ERROR 42000: Specified key was too long; max key length is 767 bytes +create table t3 (col1 text, primary key(col1(768))) +character set = latin1 engine = innodb; +ERROR 42000: Specified key was too long; max key length is 767 bytes +create table t4 (col1 blob, primary key(col1(768))) +character set = latin1 engine = innodb; +ERROR 42000: Specified key was too long; max key length is 767 bytes +CREATE TABLE t1 +( +id INT PRIMARY KEY +) ENGINE=InnoDB; +CREATE TABLE t2 +( +v INT, +CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) +) ENGINE=InnoDB; +INSERT INTO t2 VALUES(2); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) +INSERT INTO t1 VALUES(1); +INSERT INTO t2 VALUES(1); +DELETE FROM t1 WHERE id = 1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) +DROP TABLE t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails +SET FOREIGN_KEY_CHECKS=0; +DROP TABLE t1; +SET FOREIGN_KEY_CHECKS=1; +INSERT INTO t2 VALUES(3); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) +DROP TABLE t2; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2); +set autocommit=0; +checksum table t1; +Table Checksum +test.t1 1531596814 +insert into t1 values(3); +checksum table t1; +Table Checksum +test.t1 1531596814 +commit; +checksum table t1; +Table Checksum +test.t1 2050879373 +commit; +drop table t1; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2); +set autocommit=1; +checksum table t1; +Table Checksum +test.t1 1531596814 +set autocommit=1; +insert into t1 values(3); +checksum table t1; +Table Checksum +test.t1 2050879373 +drop table t1; +set foreign_key_checks=0; +create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; +create table t1(a char(10) primary key, b varchar(20)) engine = innodb; +ERROR HY000: Can't create table 'test.t1' (errno: 150) +set foreign_key_checks=1; +drop table t2; +set foreign_key_checks=0; +create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; +ERROR HY000: Can't create table 'test.t2' (errno: 150) +set foreign_key_checks=1; +drop table t1; +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; +create table t1(a varchar(10) primary key) engine = innodb; +alter table t1 modify column a int; +Got one of the listed errors +set foreign_key_checks=1; +drop table t2,t1; +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; +create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; +alter table t1 convert to character set utf8; +set foreign_key_checks=1; +drop table t2,t1; +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; +create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; +rename table t3 to t1; +ERROR HY000: Error on rename of './test/t3' to './test/t1' (errno: 150) +set foreign_key_checks=1; +drop table t2,t3; +create table t1(a int primary key) row_format=redundant engine=innodb; +create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; +create table t3(a int primary key) row_format=compact engine=innodb; +create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; +insert into t1 values(1); +insert into t3 values(1); +insert into t2 values(2); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) +insert into t4 values(2); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) +insert into t2 values(1); +insert into t4 values(1); +update t1 set a=2; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) +update t2 set a=2; +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) +update t3 set a=2; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) +update t4 set a=2; +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) +truncate t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) +truncate t3; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) +truncate t2; +truncate t4; +truncate t1; +truncate t3; +drop table t4,t3,t2,t1; +create table t1 (a varchar(255) character set utf8, +b varchar(255) character set utf8, +c varchar(255) character set utf8, +d varchar(255) character set utf8, +key (a,b,c,d)) engine=innodb; +drop table t1; +create table t1 (a varchar(255) character set utf8, +b varchar(255) character set utf8, +c varchar(255) character set utf8, +d varchar(255) character set utf8, +e varchar(255) character set utf8, +key (a,b,c,d,e)) engine=innodb; +ERROR 42000: Specified key was too long; max key length is 3072 bytes +create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; +create table t2 (s1 binary(2),primary key (s1)) engine=innodb; +create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; +create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; +insert into t1 values (0x41),(0x4120),(0x4100); +insert into t2 values (0x41),(0x4120),(0x4100); +ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' +insert into t2 values (0x41),(0x4120); +insert into t3 values (0x41),(0x4120),(0x4100); +ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' +insert into t3 values (0x41),(0x4100); +insert into t4 values (0x41),(0x4120),(0x4100); +ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' +insert into t4 values (0x41),(0x4100); +select hex(s1) from t1; +hex(s1) +41 +4100 +4120 +select hex(s1) from t2; +hex(s1) +4100 +4120 +select hex(s1) from t3; +hex(s1) +4100 +41 +select hex(s1) from t4; +hex(s1) +4100 +41 +drop table t1,t2,t3,t4; +create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; +create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; +insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); +insert into t2 values(0x42); +ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +insert into t2 values(0x41); +select hex(s1) from t2; +hex(s1) +4100 +update t1 set s1=0x123456 where a=2; +select hex(s1) from t2; +hex(s1) +4100 +update t1 set s1=0x12 where a=1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +update t1 set s1=0x12345678 where a=1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +update t1 set s1=0x123457 where a=1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +update t1 set s1=0x1220 where a=1; +select hex(s1) from t2; +hex(s1) +1220 +update t1 set s1=0x1200 where a=1; +select hex(s1) from t2; +hex(s1) +1200 +update t1 set s1=0x4200 where a=1; +select hex(s1) from t2; +hex(s1) +4200 +delete from t1 where a=1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +delete from t1 where a=2; +update t2 set s1=0x4120; +delete from t1; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +delete from t1 where a!=3; +select a,hex(s1) from t1; +a hex(s1) +3 4120 +select hex(s1) from t2; +hex(s1) +4120 +drop table t2,t1; +create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; +create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; +insert into t1 values(1,0x4100),(2,0x41); +insert into t2 values(0x41); +select hex(s1) from t2; +hex(s1) +41 +update t1 set s1=0x1234 where a=1; +select hex(s1) from t2; +hex(s1) +41 +update t1 set s1=0x12 where a=2; +select hex(s1) from t2; +hex(s1) +12 +delete from t1 where a=1; +delete from t1 where a=2; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) +select a,hex(s1) from t1; +a hex(s1) +2 12 +select hex(s1) from t2; +hex(s1) +12 +drop table t2,t1; +CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; +CREATE TABLE t2(a INT) ENGINE=InnoDB; +ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); +ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; +ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); +ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) DEFAULT NULL, + KEY `t2_ibfk_0` (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +DROP TABLE t2,t1; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +insert into t1(a) values (1),(2),(3); +commit; +set autocommit = 0; +update t1 set b = 5 where a = 2; +create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | +set autocommit = 0; +insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), +(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), +(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), +(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), +(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); +commit; +commit; +drop trigger t1t; +drop table t1; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +insert into t1(a) values (1),(2),(3); +insert into t2(a) values (1),(2),(3); +insert into t3(a) values (1),(2),(3); +insert into t4(a) values (1),(2),(3); +insert into t3(a) values (5),(7),(8); +insert into t4(a) values (5),(7),(8); +insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); +create trigger t1t before insert on t1 for each row begin +INSERT INTO t2 SET a = NEW.a; +end | +create trigger t2t before insert on t2 for each row begin +DELETE FROM t3 WHERE a = NEW.a; +end | +create trigger t3t before delete on t3 for each row begin +UPDATE t4 SET b = b + 1 WHERE a = OLD.a; +end | +create trigger t4t before update on t4 for each row begin +UPDATE t5 SET b = b + 1 where a = NEW.a; +end | +commit; +set autocommit = 0; +update t1 set b = b + 5 where a = 1; +update t2 set b = b + 5 where a = 1; +update t3 set b = b + 5 where a = 1; +update t4 set b = b + 5 where a = 1; +insert into t5(a) values(20); +set autocommit = 0; +insert into t1(a) values(7); +insert into t2(a) values(8); +delete from t2 where a = 3; +update t4 set b = b + 1 where a = 3; +commit; +drop trigger t1t; +drop trigger t2t; +drop trigger t3t; +drop trigger t4t; +drop table t1, t2, t3, t4, t5; +CREATE TABLE t1 ( +field1 varchar(8) NOT NULL DEFAULT '', +field2 varchar(8) NOT NULL DEFAULT '', +PRIMARY KEY (field1, field2) +) ENGINE=InnoDB; +CREATE TABLE t2 ( +field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, +FOREIGN KEY (field1) REFERENCES t1 (field1) +ON DELETE CASCADE ON UPDATE CASCADE +) ENGINE=InnoDB; +INSERT INTO t1 VALUES ('old', 'somevalu'); +INSERT INTO t1 VALUES ('other', 'anyvalue'); +INSERT INTO t2 VALUES ('old'); +INSERT INTO t2 VALUES ('other'); +UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; +ERROR 23000: Upholding foreign key constraints for table 't1', entry 'other-somevalu', key 1 would lead to a duplicate entry +DROP TABLE t2; +DROP TABLE t1; +create table t1 ( +c1 bigint not null, +c2 bigint not null, +primary key (c1), +unique key (c2) +) engine=innodb; +create table t2 ( +c1 bigint not null, +primary key (c1) +) engine=innodb; +alter table t1 add constraint c2_fk foreign key (c2) +references t2(c1) on delete cascade; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) NOT NULL, + `c2` bigint(20) NOT NULL, + PRIMARY KEY (`c1`), + UNIQUE KEY `c2` (`c2`), + CONSTRAINT `c2_fk` FOREIGN KEY (`c2`) REFERENCES `t2` (`c1`) ON DELETE CASCADE +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table t1 drop foreign key c2_fk; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` bigint(20) NOT NULL, + `c2` bigint(20) NOT NULL, + PRIMARY KEY (`c1`), + UNIQUE KEY `c2` (`c2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table t1, t2; +create table t1(a date) engine=innodb; +create table t2(a date, key(a)) engine=innodb; +insert into t1 values('2005-10-01'); +insert into t2 values('2005-10-01'); +select * from t1, t2 +where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; +a a +2005-10-01 2005-10-01 +drop table t1, t2; +create table t1 (id int not null, f_id int not null, f int not null, +primary key(f_id, id)) engine=innodb; +create table t2 (id int not null,s_id int not null,s varchar(200), +primary key(id)) engine=innodb; +INSERT INTO t1 VALUES (8, 1, 3); +INSERT INTO t1 VALUES (1, 2, 1); +INSERT INTO t2 VALUES (1, 0, ''); +INSERT INTO t2 VALUES (8, 1, ''); +commit; +DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) +WHERE mm.id IS NULL; +select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) +where mm.id is null lock in share mode; +id f_id f +drop table t1,t2; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); +commit; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +update t1 set b = 5 where b = 1; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +select * from t1 where a = 7 and b = 3 for update; +a b +7 3 +commit; +commit; +drop table t1; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); +commit; +set autocommit = 0; +select * from t1 lock in share mode; +a b +1 1 +2 2 +3 1 +4 2 +5 1 +6 2 +update t1 set b = 5 where b = 1; +set autocommit = 0; +select * from t1 where a = 2 and b = 2 for update; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +commit; +drop table t1; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values (1,2),(5,3),(4,2); +create table t2(d int not null, e int, primary key(d)) engine=innodb; +insert into t2 values (8,6),(12,1),(3,1); +commit; +set autocommit = 0; +select * from t2 for update; +d e +3 1 +8 6 +12 1 +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +insert into t1 select * from t2; +update t1 set b = (select e from t2 where a = d); +create table t3(d int not null, e int, primary key(d)) engine=innodb +select * from t2; +commit; +commit; +drop table t1, t2, t3; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values (1,2),(5,3),(4,2); +create table t2(a int not null, b int, primary key(a)) engine=innodb; +insert into t2 values (8,6),(12,1),(3,1); +create table t3(d int not null, b int, primary key(d)) engine=innodb; +insert into t3 values (8,6),(12,1),(3,1); +create table t5(a int not null, b int, primary key(a)) engine=innodb; +insert into t5 values (1,2),(5,3),(4,2); +create table t6(d int not null, e int, primary key(d)) engine=innodb; +insert into t6 values (8,6),(12,1),(3,1); +create table t8(a int not null, b int, primary key(a)) engine=innodb; +insert into t8 values (1,2),(5,3),(4,2); +create table t9(d int not null, e int, primary key(d)) engine=innodb; +insert into t9 values (8,6),(12,1),(3,1); +commit; +set autocommit = 0; +select * from t2 for update; +a b +3 1 +8 6 +12 1 +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +insert into t1 select * from t2; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +update t3 set b = (select b from t2 where a = d); +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +insert into t5 (select * from t2 lock in share mode); +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +update t6 set e = (select b from t2 where a = d lock in share mode); +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +insert into t8 (select * from t2 for update); +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +update t9 set e = (select b from t2 where a = d for update); +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +commit; +drop table t1, t2, t3, t5, t6, t8, t9; +CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; +ERROR 42000: Incorrect column name 'DB_ROW_ID' +CREATE TABLE t1 ( +a BIGINT(20) NOT NULL, +PRIMARY KEY (a) +) ENGINE=INNODB DEFAULT CHARSET=UTF8; +CREATE TABLE t2 ( +a BIGINT(20) NOT NULL, +b VARCHAR(128) NOT NULL, +c TEXT NOT NULL, +PRIMARY KEY (a,b), +KEY idx_t2_b_c (b,c(200)), +CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) +ON DELETE CASCADE +) ENGINE=INNODB DEFAULT CHARSET=UTF8; +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1, 'bar', 'vbar'); +INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); +INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); +INSERT INTO t2 VALUES (1, 'customer_over', '1'); +SELECT * FROM t2 WHERE b = 'customer_over'; +a b c +1 customer_over 1 +SELECT * FROM t2 WHERE BINARY b = 'customer_over'; +a b c +1 customer_over 1 +SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; +a +1 +/* Bang: Empty result set, above was expected: */ +SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; +a +1 +SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; +a +1 +drop table t2, t1; +CREATE TABLE t1 ( a int ) ENGINE=innodb; +BEGIN; +INSERT INTO t1 VALUES (1); +OPTIMIZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead +test.t1 optimize status OK +DROP TABLE t1; +CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; +CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, +CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) +ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; +ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON +DELETE CASCADE ON UPDATE CASCADE; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `id` int(11) NOT NULL, + `f` int(11) NOT NULL, + PRIMARY KEY (`id`), + KEY `f` (`f`), + CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f`) REFERENCES `t1` (`f`) ON DELETE CASCADE ON UPDATE CASCADE, + CONSTRAINT `t2_t1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +DROP TABLE t2, t1; +CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; +CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1); +ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; +ALTER TABLE t2 MODIFY a INT NOT NULL; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) +DELETE FROM t1; +DROP TABLE t2,t1; +CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) +ENGINE=InnoDB; +INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); +DELETE FROM t1; +INSERT INTO t1 VALUES ('DDD'); +SELECT * FROM t1; +a +DDD +DROP TABLE t1; +CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB +AUTO_INCREMENT=42; +INSERT INTO t1 VALUES (0),(347),(0); +SELECT * FROM t1; +id +42 +347 +348 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`id`) +) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 +CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t2 VALUES(42),(347),(348); +ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`id`), + CONSTRAINT `t1_t2` FOREIGN KEY (`id`) REFERENCES `t2` (`id`) +) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 +DROP TABLE t1,t2; +set innodb_strict_mode=on; +CREATE TABLE t1 ( +c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), +c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), +c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), +c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), +c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), +c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), +c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), +c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) +) ENGINE = InnoDB; +ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1( +id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY +) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-10); +SELECT * FROM t1; +id +-10 +INSERT INTO t1 VALUES(NULL); +SELECT * FROM t1; +id +-10 +1 +DROP TABLE t1; +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +DROP TABLE IF EXISTS t1, t2; +Warnings: +Note 1051 Unknown table 't1' +Note 1051 Unknown table 't2' +CREATE TABLE t1 ( a int ) ENGINE=InnoDB; +CREATE TABLE t2 LIKE t1; +SELECT * FROM t2; +a +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +INSERT INTO t1 VALUES (1); +COMMIT; +SELECT * FROM t1 WHERE a=1; +a +1 +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +SELECT * FROM t2; +a +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +INSERT INTO t1 VALUES (2); +COMMIT; +SELECT * FROM t1 WHERE a=2; +a +2 +SELECT * FROM t1 WHERE a=2; +a +2 +DROP TABLE t1; +DROP TABLE t2; +create table t1 (i int, j int) engine=innodb; +insert into t1 (i, j) values (1, 1), (2, 2); +update t1 set j = 2; +affected rows: 1 +info: Rows matched: 2 Changed: 1 Warnings: 0 +drop table t1; +create table t1 (id int) comment='this is a comment' engine=innodb; +select table_comment, data_free > 0 as data_free_is_set +from information_schema.tables +where table_schema='test' and table_name = 't1'; +table_comment data_free_is_set +this is a comment 1 +drop table t1; +CREATE TABLE t1 ( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, +c2 VARCHAR(128) NOT NULL, +PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; +CREATE TABLE t2 ( +c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, +c2 INT(10) UNSIGNED DEFAULT NULL, +PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +AUTO_INCREMENT +200 +ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +AUTO_INCREMENT +200 +DROP TABLE t2; +DROP TABLE t1; +CREATE TABLE t1 (c1 int default NULL, +c2 int default NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1; +TRUNCATE TABLE t1; +affected rows: 0 +INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); +affected rows: 5 +info: Records: 5 Duplicates: 0 Warnings: 0 +TRUNCATE TABLE t1; +affected rows: 0 +DROP TABLE t1; +Variable_name Value +Handler_update 0 +Variable_name Value +Handler_delete 0 +Variable_name Value +Handler_update 1 +Variable_name Value +Handler_delete 1 diff --git a/perfschema/mysql-test/innodb.test b/perfschema/mysql-test/innodb.test new file mode 100644 index 00000000000..9f9766acd82 --- /dev/null +++ b/perfschema/mysql-test/innodb.test @@ -0,0 +1,2582 @@ +####################################################################### +# # +# Please, DO NOT TOUCH this file as well as the innodb.result file. # +# These files are to be modified ONLY BY INNOBASE guys. # +# # +# Use innodb_mysql.[test|result] files instead. # +# # +# If nevertheless you need to make some changes here, please, forward # +# your commit message # +# To: innodb_dev_ww@oracle.com # +# Cc: dev-innodb@mysql.com # +# (otherwise your changes may be erased). # +# # +####################################################################### + +-- source include/have_innodb.inc + +let $MYSQLD_DATADIR= `select @@datadir`; + +# Save the original values of some variables in order to be able to +# estimate how much they have changed during the tests. Previously this +# test assumed that e.g. rows_deleted is 0 here and after deleting 23 +# rows it expected that rows_deleted will be 23. Now we do not make +# assumptions about the values of the variables at the beginning, e.g. +# rows_deleted should be 23 + "rows_deleted before the test". This allows +# the test to be run multiple times without restarting the mysqld server. +# See Bug#43309 Test main.innodb can't be run twice +-- disable_query_log +SET @innodb_thread_concurrency_orig = @@innodb_thread_concurrency; + +SET @innodb_rows_deleted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'); +SET @innodb_rows_inserted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'); +SET @innodb_rows_updated_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'); +SET @innodb_row_lock_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'); +SET @innodb_row_lock_current_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'); +SET @innodb_row_lock_time_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'); +SET @innodb_row_lock_time_max_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'); +SET @innodb_row_lock_time_avg_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'); +-- enable_query_log + +--disable_warnings +drop table if exists t1,t2,t3,t4; +drop database if exists mysqltest; +--enable_warnings + +# +# Small basic test with ignore +# + +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; + +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; + +update ignore t1 set id = 8, name = 'Sinisa' where id < 3; +select id, code, name from t1 order by id; +update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; +select id, code, name from t1 order by id; + +drop table t1; + +# +# A bit bigger test +# The 'replace_column' statements are needed because the cardinality calculated +# by innodb is not always the same between runs +# + +CREATE TABLE t1 ( + id int(11) NOT NULL auto_increment, + parent_id int(11) DEFAULT '0' NOT NULL, + level tinyint(4) DEFAULT '0' NOT NULL, + PRIMARY KEY (id), + KEY parent_id (parent_id), + KEY level (level) +) engine=innodb; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +update t1 set id=id+1000; +-- error ER_DUP_ENTRY,1022 +update t1 set id=1024 where id=1009; +select * from t1; +update ignore t1 set id=id+1; # This will change all rows +select * from t1; +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +--replace_column 9 # +explain select level from t1 where level=1; +--replace_column 9 # +explain select level,id from t1 where level=1; +--replace_column 9 # +explain select level,id,parent_id from t1 where level=1; +select level,id from t1 where level=1; +select level,id,parent_id from t1 where level=1; +optimize table t1; +--replace_column 7 # +show keys from t1; +drop table t1; + +# +# Test replace +# + +CREATE TABLE t1 ( + gesuchnr int(11) DEFAULT '0' NOT NULL, + benutzer_id int(11) DEFAULT '0' NOT NULL, + PRIMARY KEY (gesuchnr,benutzer_id) +) engine=innodb; + +replace into t1 (gesuchnr,benutzer_id) values (2,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +select * from t1; +drop table t1; + +# +# test delete using hidden_primary_key +# + +create table t1 (a int) engine=innodb; +insert into t1 values (1), (2); +optimize table t1; +delete from t1 where a = 1; +select * from t1; +check table t1; +drop table t1; + +create table t1 (a int,b varchar(20)) engine=innodb; +insert into t1 values (1,""), (2,"testing"); +delete from t1 where a = 1; +select * from t1; +create index skr on t1 (a); +insert into t1 values (3,""), (4,"testing"); +analyze table t1; +--replace_column 7 # +show keys from t1; +drop table t1; + + +# Test of reading on secondary key with may be null + +create table t1 (a int,b varchar(20),key(a)) engine=innodb; +insert into t1 values (1,""), (2,"testing"); +select * from t1 where a = 1; +drop table t1; + +# +# Test rollback +# + +create table t1 (n int not null primary key) engine=innodb; +set autocommit=0; +insert into t1 values (4); +rollback; +select n, "after rollback" from t1; +insert into t1 values (4); +commit; +select n, "after commit" from t1; +commit; +insert into t1 values (5); +-- error ER_DUP_ENTRY +insert into t1 values (4); +commit; +select n, "after commit" from t1; +set autocommit=1; +insert into t1 values (6); +-- error ER_DUP_ENTRY +insert into t1 values (4); +select n from t1; +set autocommit=0; +# +# savepoints +# +begin; +savepoint `my_savepoint`; +insert into t1 values (7); +savepoint `savept2`; +insert into t1 values (3); +select n from t1; +savepoint savept3; +rollback to savepoint savept2; +--error 1305 +rollback to savepoint savept3; +rollback to savepoint savept2; +release savepoint `my_savepoint`; +select n from t1; +-- error 1305 +rollback to savepoint `my_savepoint`; +--error 1305 +rollback to savepoint savept2; +insert into t1 values (8); +savepoint sv; +commit; +savepoint sv; +set autocommit=1; +# nop +rollback; +drop table t1; + +# +# Test for commit and FLUSH TABLES WITH READ LOCK +# + +create table t1 (n int not null primary key) engine=innodb; +start transaction; +insert into t1 values (4); +flush tables with read lock; +# +# Current code can't handle a read lock in middle of transaction +#--error 1223; +commit; +unlock tables; +commit; +select * from t1; +drop table t1; + +# +# Testing transactions +# + +create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; +begin; +insert into t1 values(1,'hamdouni'); +select id as afterbegin_id,nom as afterbegin_nom from t1; +rollback; +select id as afterrollback_id,nom as afterrollback_nom from t1; +set autocommit=0; +insert into t1 values(2,'mysql'); +select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; +rollback; +select id as afterrollback_id,nom as afterrollback_nom from t1; +set autocommit=1; +drop table t1; + +# +# Simple not autocommit test +# + +CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; +insert into t1 values ('pippo', 12); +-- error ER_DUP_ENTRY +insert into t1 values ('pippo', 12); # Gives error +delete from t1; +delete from t1 where id = 'pippo'; +select * from t1; + +insert into t1 values ('pippo', 12); +set autocommit=0; +delete from t1; +rollback; +select * from t1; +delete from t1; +commit; +select * from t1; +drop table t1; + +# +# Test of active transactions +# + +create table t1 (a integer) engine=innodb; +start transaction; +rename table t1 to t2; +create table t1 (b integer) engine=innodb; +insert into t1 values (1); +rollback; +drop table t1; +rename table t2 to t1; +drop table t1; +set autocommit=1; + +# +# The following simple tests failed at some point +# + +CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; +INSERT INTO t1 VALUES (1, 'Jochen'); +select * from t1; +drop table t1; + +CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; +set autocommit=0; +INSERT INTO t1 SET _userid='marc@anyware.co.uk'; +COMMIT; +SELECT * FROM t1; +SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; +drop table t1; +set autocommit=1; + +# +# Test when reading on part of unique key +# +CREATE TABLE t1 ( + user_id int(10) DEFAULT '0' NOT NULL, + name varchar(100), + phone varchar(100), + ref_email varchar(100) DEFAULT '' NOT NULL, + detail varchar(200), + PRIMARY KEY (user_id,ref_email) +)engine=innodb; + +INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); +select * from t1 where user_id=10292; +INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); +select * from t1 where user_id=10292; +select * from t1 where user_id>=10292; +select * from t1 where user_id>10292; +select * from t1 where user_id<10292; +drop table t1; + +# +# Test that keys are created in right order +# + +CREATE TABLE t1 (a int not null, b int not null,c int not null, +key(a),primary key(a,b), unique(c),key(a),unique(b)); +--replace_column 7 # +show index from t1; +drop table t1; + +# +# Test of ALTER TABLE and innodb tables +# + +create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); +alter table t1 engine=innodb; +insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); +select * from t1; +update t1 set col2='7' where col1='4'; +select * from t1; +alter table t1 add co3 int not null; +select * from t1; +update t1 set col2='9' where col1='2'; +select * from t1; +drop table t1; + +# +# INSERT INTO innodb tables +# + +create table t1 (a int not null , b int, primary key (a)) engine = innodb; +create table t2 (a int not null , b int, primary key (a)) engine = myisam; +insert into t1 VALUES (1,3) , (2,3), (3,3); +select * from t1; +insert into t2 select * from t1; +select * from t2; +delete from t1 where b = 3; +select * from t1; +insert into t1 select * from t2; +select * from t1; +select * from t2; +drop table t1,t2; + +# +# ORDER BY on not primary key +# + +CREATE TABLE t1 ( + user_name varchar(12), + password text, + subscribed char(1), + user_id int(11) DEFAULT '0' NOT NULL, + quota bigint(20), + weight double, + access_date date, + access_time time, + approved datetime, + dummy_primary_key int(11) NOT NULL auto_increment, + PRIMARY KEY (dummy_primary_key) +) ENGINE=innodb; +INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); +INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); +INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); +INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); +INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); +select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; +drop table t1; + +# +# Testing of tables without primary keys +# + +CREATE TABLE t1 ( + id int(11) NOT NULL auto_increment, + parent_id int(11) DEFAULT '0' NOT NULL, + level tinyint(4) DEFAULT '0' NOT NULL, + KEY (id), + KEY parent_id (parent_id), + KEY level (level) +) engine=innodb; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); +INSERT INTO t1 values (179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +update t1 set id=id+1000; +update t1 set id=1024 where id=1009; +select * from t1; +update ignore t1 set id=id+1; # This will change all rows +select * from t1; +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +--replace_column 9 # +explain select level from t1 where level=1; +select level,id from t1 where level=1; +select level,id,parent_id from t1 where level=1; +select level,id from t1 where level=1 order by id; +delete from t1 where level=1; +select * from t1; +drop table t1; + +# +# Test of index only reads +# +CREATE TABLE t1 ( + sca_code char(6) NOT NULL, + cat_code char(6) NOT NULL, + sca_desc varchar(50), + lan_code char(2) NOT NULL, + sca_pic varchar(100), + sca_sdesc varchar(50), + sca_sch_desc varchar(16), + PRIMARY KEY (sca_code, cat_code, lan_code), + INDEX sca_pic (sca_pic) +) engine = innodb ; + +INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); +select count(*) from t1 where sca_code = 'PD'; +select count(*) from t1 where sca_code <= 'PD'; +select count(*) from t1 where sca_pic is null; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX +alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +select count(*) from t1 where cat_code='E'; + +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX +alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +select count(*) from t1 where sca_pic >= 'n'; +select sca_pic from t1 where sca_pic is null; +update t1 set sca_pic="test" where sca_pic is null; +delete from t1 where sca_code='pd'; +drop table t1; + +# +# Test of opening table twice and timestamps +# +set @a:=now(); +CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; +insert into t1 (a) values(1),(2),(3); +select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; +select a from t1 natural join t1 as t2 where b >= @a order by a; +update t1 set a=5 where a=1; +select a from t1; +drop table t1; + +# +# Test with variable length primary key +# +create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; +insert into t1 values("hello",1),("world",2); +select * from t1 order by b desc; +optimize table t1; +--replace_column 7 # +show keys from t1; +drop table t1; + +# +# Test of create index with NULL columns +# +create table t1 (i int, j int ) ENGINE=innodb; +insert into t1 values (1,2); +select * from t1 where i=1 and j=2; +create index ax1 on t1 (i,j); +select * from t1 where i=1 and j=2; +drop table t1; + +# +# Test min-max optimization +# + +CREATE TABLE t1 ( + a int3 unsigned NOT NULL, + b int1 unsigned NOT NULL, + UNIQUE (a, b) +) ENGINE = innodb; + +INSERT INTO t1 VALUES (1, 1); +SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; +drop table t1; + +# +# Test INSERT DELAYED +# + +CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; +# Can't test this in 3.23 +# INSERT DELAYED INTO t1 VALUES (1); +INSERT INTO t1 VALUES (1); +SELECT * FROM t1; +DROP TABLE t1; + + +# +# Crash when using many tables (Test case by Jeremy D Zawodny) +# + +create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; +insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); +--replace_column 9 # +explain select * from t1 where a > 0 and a < 50; +drop table t1; + +# +# Test lock tables +# + +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +--error ER_DUP_ENTRY +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +select id from t1; +select id from t1; +UNLOCK TABLES; +DROP TABLE t1; + +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +begin; +--error ER_DUP_ENTRY +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +select id from t1; +insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); +commit; +select id,id3 from t1; +UNLOCK TABLES; +DROP TABLE t1; + +# +# Test prefix key +# +create table t1 (a char(20), unique (a(5))) engine=innodb; +drop table t1; +create table t1 (a char(20), index (a(5))) engine=innodb; +show create table t1; +drop table t1; + +# +# Test using temporary table and auto_increment +# + +create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; +insert into t1 values (NULL),(NULL),(NULL); +delete from t1 where a=3; +insert into t1 values (NULL); +select * from t1; +alter table t1 add b int; +select * from t1; +drop table t1; + +#Slashdot bug +create table t1 + ( + id int auto_increment primary key, + name varchar(32) not null, + value text not null, + uid int not null, + unique key(name,uid) + ) engine=innodb; +insert into t1 values (1,'one','one value',101), + (2,'two','two value',102),(3,'three','three value',103); +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +delete from t1 where uid=102; +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +set insert_id=6; +replace into t1 (value,name,uid) values ('other value','two',102); +select * from t1; +drop table t1; + +# +# Test DROP DATABASE +# + +create database mysqltest; +create table mysqltest.t1 (a int not null) engine= innodb; +insert into mysqltest.t1 values(1); +create table mysqltest.t2 (a int not null) engine= myisam; +insert into mysqltest.t2 values(1); +create table mysqltest.t3 (a int not null) engine= heap; +insert into mysqltest.t3 values(1); +commit; +drop database mysqltest; +# Don't check error message +--error 1049 +show tables from mysqltest; + +# +# Test truncate table with and without auto_commit +# + +set autocommit=0; +create table t1 (a int not null) engine= innodb; +insert into t1 values(1),(2); +truncate table t1; +commit; +truncate table t1; +truncate table t1; +select * from t1; +insert into t1 values(1),(2); +delete from t1; +select * from t1; +commit; +drop table t1; +set autocommit=1; + +create table t1 (a int not null) engine= innodb; +insert into t1 values(1),(2); +truncate table t1; +insert into t1 values(1),(2); +select * from t1; +truncate table t1; +insert into t1 values(1),(2); +delete from t1; +select * from t1; +drop table t1; + +# +# Test of how ORDER BY works when doing it on the whole table +# + +create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; +insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); +--replace_column 9 # +explain select * from t1 order by a; +--replace_column 9 # +explain select * from t1 order by b; +--replace_column 9 # +explain select * from t1 order by c; +--replace_column 9 # +explain select a from t1 order by a; +--replace_column 9 # +explain select b from t1 order by b; +--replace_column 9 # +explain select a,b from t1 order by b; +--replace_column 9 # +explain select a,b from t1; +--replace_column 9 # +explain select a,b,c from t1; +drop table t1; + +# +# Check describe +# + +create table t1 (t int not null default 1, key (t)) engine=innodb; +desc t1; +drop table t1; + +# +# Test of multi-table-delete +# + +CREATE TABLE t1 ( + number bigint(20) NOT NULL default '0', + cname char(15) NOT NULL default '', + carrier_id smallint(6) NOT NULL default '0', + privacy tinyint(4) NOT NULL default '0', + last_mod_date timestamp NOT NULL, + last_mod_id smallint(6) NOT NULL default '0', + last_app_date timestamp NOT NULL, + last_app_id smallint(6) default '-1', + version smallint(6) NOT NULL default '0', + assigned_scps int(11) default '0', + status tinyint(4) default '0' +) ENGINE=InnoDB; +INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); +INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); +INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); +INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); +INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); +INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); +CREATE TABLE t2 ( + number bigint(20) NOT NULL default '0', + cname char(15) NOT NULL default '', + carrier_id smallint(6) NOT NULL default '0', + privacy tinyint(4) NOT NULL default '0', + last_mod_date timestamp NOT NULL, + last_mod_id smallint(6) NOT NULL default '0', + last_app_date timestamp NOT NULL, + last_app_id smallint(6) default '-1', + version smallint(6) NOT NULL default '0', + assigned_scps int(11) default '0', + status tinyint(4) default '0' +) ENGINE=InnoDB; +INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); +INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); +INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); +INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); +select * from t1; +select * from t2; +delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); +select * from t1; +select * from t2; +select * from t2; +drop table t1,t2; + +# +# A simple test with some isolation levels +# TODO: Make this into a test using replication to really test how +# this works. +# + +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; + +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +SELECT @@tx_isolation,@@global.tx_isolation; +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); +select id, code, name from t1 order by id; +COMMIT; + +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; +insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); +select id, code, name from t1 order by id; +COMMIT; + +SET binlog_format='MIXED'; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; +insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; +COMMIT; +DROP TABLE t1; + +# +# Test of multi-table-update +# +create table t1 (n int(10), d int(10)) engine=innodb; +create table t2 (n int(10), d int(10)) engine=innodb; +insert into t1 values(1,1),(1,2); +insert into t2 values(1,10),(2,20); +UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; +select * from t1; +select * from t2; +drop table t1,t2; + +# +# Bug #29136 erred multi-delete on trans table does not rollback +# + +# prepare +--disable_warnings +drop table if exists t1, t2; +--enable_warnings +CREATE TABLE t1 (a int, PRIMARY KEY (a)); +CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; +create trigger trg_del_t2 after delete on t2 for each row + insert into t1 values (1); +insert into t1 values (1); +insert into t2 values (1),(2); + + +# exec cases A, B - see multi_update.test + +# A. send_error() w/o send_eof() branch + +--error ER_DUP_ENTRY +delete t2 from t2; + +# check + +select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; + +# cleanup bug#29136 + +drop table t1, t2; + + +# +# Bug #29136 erred multi-delete on trans table does not rollback +# + +# prepare +--disable_warnings +drop table if exists t1, t2; +--enable_warnings +CREATE TABLE t1 (a int, PRIMARY KEY (a)); +CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; +create trigger trg_del_t2 after delete on t2 for each row + insert into t1 values (1); +insert into t1 values (1); +insert into t2 values (1),(2); + + +# exec cases A, B - see multi_update.test + +# A. send_error() w/o send_eof() branch + +--error ER_DUP_ENTRY +delete t2 from t2; + +# check + +select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; + +# cleanup bug#29136 + +drop table t1, t2; + + +# +# Testing of IFNULL +# +create table t1 (a int, b int) engine=innodb; +insert into t1 values(20,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a; +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +insert into t1 values(10,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +drop table t1; + +# +# Test of read_through not existing const_table +# + +create table t1 (a varchar(10) not null) engine=myisam; +create table t2 (b varchar(10) not null unique) engine=innodb; +select t1.a from t1,t2 where t1.a=t2.b; +drop table t1,t2; +create table t1 (a int not null, b int, primary key (a)) engine = innodb; +create table t2 (a int not null, b int, primary key (a)) engine = innodb; +insert into t1 values (10, 20); +insert into t2 values (10, 20); +update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; +drop table t1,t2; + +# +# Test of multi-table-delete with foreign key constraints +# + +CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; +CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; +insert into t1 set id=1; +insert into t2 set id=1, t1_id=1; +delete t1,t2 from t1,t2 where t1.id=t2.t1_id; +select * from t1; +select * from t2; +drop table t2,t1; +CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; +CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; +INSERT INTO t1 VALUES(1); +INSERT INTO t2 VALUES(1, 1); +SELECT * from t1; +UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; +SELECT * from t1; +UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; +SELECT * from t1; +DROP TABLE t1,t2; + +# +# Test of range_optimizer +# + +set autocommit=0; + +CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; + +CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; + +CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; + +INSERT INTO t3 VALUES("my-test-1", "my-test-2"); +COMMIT; + +INSERT INTO t1 VALUES("this-key", "will disappear"); +INSERT INTO t2 VALUES("this-key", "will also disappear"); +DELETE FROM t3 WHERE id1="my-test-1"; + +SELECT * FROM t1; +SELECT * FROM t2; +SELECT * FROM t3; +ROLLBACK; + +SELECT * FROM t1; +SELECT * FROM t2; +SELECT * FROM t3; +SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; +COMMIT; +set autocommit=1; +DROP TABLE t1,t2,t3; + +# +# Check update with conflicting key +# + +CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +# We need the a < 1000 test here to quard against the halloween problems +UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; +SELECT * from t1; +drop table t1; + +# +# Test multi update with different join methods +# + +CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; +CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); +INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); + +# Full join, without key +update t1,t2 set t1.a=t1.a+100; +select * from t1; + +# unique key +update t1,t2 set t1.a=t1.a+100 where t1.a=101; +select * from t1; + +# ref key +update t1,t2 set t1.b=t1.b+10 where t1.b=2; +select * from t1; + +# Range key (in t1) +update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; +select * from t1; +select * from t2; + +drop table t1,t2; +CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; +CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; +SET AUTOCOMMIT=0; +INSERT INTO t1 ( B_ID ) VALUES ( 1 ); +INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); +ROLLBACK; +SELECT * FROM t1; +drop table t1,t2; +create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; +insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); +select distinct parent,child from t1 order by parent; +drop table t1; + +# +# Test that MySQL priorities clustered indexes +# +create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; +create table t2 (a int not null auto_increment primary key, b int); +insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); +insert into t2 (a) select b from t1; +insert into t1 (b) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +select count(*) from t1; +--replace_column 9 # +explain select * from t1 where c between 1 and 2500; +update t1 set c=a; +--replace_column 9 # +explain select * from t1 where c between 1 and 2500; +drop table t1,t2; + +# +# Test of UPDATE ... ORDER BY +# + +create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; + +insert into t1 (id) values (null),(null),(null),(null),(null); +update t1 set fk=69 where fk is null order by id limit 1; +SELECT * from t1; +drop table t1; + +create table t1 (a int not null, b int not null, key (a)); +insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); +SET @tmp=0; +update t1 set b=(@tmp:=@tmp+1) order by a; +update t1 set b=99 where a=1 order by b asc limit 1; +update t1 set b=100 where a=1 order by b desc limit 2; +update t1 set a=a+10+b where a=1 order by b; +select * from t1 order by a,b; +drop table t1; + +# +# Test of multi-table-updates (bug #1980). +# + +create table t1 ( c char(8) not null ) engine=innodb; +insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); +insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); + +alter table t1 add b char(8) not null; +alter table t1 add a char(8) not null; +alter table t1 add primary key (a,b,c); +update t1 set a=c, b=c; + +create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; +insert into t2 select * from t1; + +delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; +drop table t1,t2; + +# +# test autoincrement with TRUNCATE +# + +SET AUTOCOMMIT=1; +create table t1 (a integer auto_increment primary key) engine=innodb; +insert into t1 (a) values (NULL),(NULL); +truncate table t1; +insert into t1 (a) values (NULL),(NULL); +SELECT * from t1; +drop table t1; + +# +# Test dictionary handling with spaceand quoting +# + +CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; +CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; +#show create table t2; +drop table t2,t1; + +# +# Test of multi updated and foreign keys +# + +create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; +insert into `t1`values ( 1 ) ; +create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; +insert into `t2`values ( 1 ) ; +create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; +insert into `t3`values ( 1 ) ; +--error 1451 +delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +--error 1451 +update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +--error 1054 +update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; +drop table t3,t2,t1; + +# +# test for recursion depth limit +# +create table t1( + id int primary key, + pid int, + index(pid), + foreign key(pid) references t1(id) on delete cascade) engine=innodb; +insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), + (8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); +-- error 1451 +delete from t1 where id=0; +delete from t1 where id=15; +delete from t1 where id=0; + +drop table t1; + +# +# Test timestamps +# + +CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; +CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx +(stamp))ENGINE=InnoDB; +insert into t1 values (1),(2),(3); +# Note that timestamp 3 is wrong +insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); +SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < +'20020204120000' GROUP BY col1; +drop table t1,t2; + +# +# Test by Francois MASUREL +# + +CREATE TABLE t1 ( + `id` int(10) unsigned NOT NULL auto_increment, + `id_object` int(10) unsigned default '0', + `id_version` int(10) unsigned NOT NULL default '1', + `label` varchar(100) NOT NULL default '', + `description` text, + PRIMARY KEY (`id`), + KEY `id_object` (`id_object`), + KEY `id_version` (`id_version`) +) ENGINE=InnoDB; + +INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); + +CREATE TABLE t2 ( + `id` int(10) unsigned NOT NULL auto_increment, + `id_version` int(10) unsigned NOT NULL default '1', + PRIMARY KEY (`id`), + KEY `id_version` (`id_version`) +) ENGINE=InnoDB; + +INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); + +SELECT t2.id, t1.`label` FROM t2 INNER JOIN +(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl +ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); +drop table t1,t2; + +create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; +create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; +create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; +insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); +insert t2 select * from t1; +insert t3 select * from t1; +checksum table t1, t2, t3, t4 quick; +checksum table t1, t2, t3, t4; +checksum table t1, t2, t3, t4 extended; +#show table status; +drop table t1,t2,t3; + +# +# Test problem with refering to different fields in same table in UNION +# (Bug #2552) +# +create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; +insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); +select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; +drop table t1; + +# +# Bug2160 +# +create table t1 (a int) engine=innodb; +create table t2 like t1; +drop table t1,t2; + +# +# Test of automaticly created foreign keys +# + +create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; +create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; +show create table t1; +show create table t2; +create index id on t2 (id); +show create table t2; +create index id2 on t2 (id); +show create table t2; +drop index id2 on t2; +--error ER_DROP_INDEX_FK +drop index id on t2; +show create table t2; +drop table t2; + +create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; +show create table t2; +create unique index id on t2 (id,id2); +show create table t2; +drop table t2; + +# Check foreign key columns created in different order than key columns +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; +show create table t2; +drop table t2; + +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; +show create table t2; +drop table t2; + +create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; +show create table t2; +drop table t2; + +create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; +show create table t2; +drop table t2; + +create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; +show create table t2; +alter table t2 add index id_test (id), add index id_test2 (id,id2); +show create table t2; +drop table t2; + +# Test error handling + +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . master-data/ '' +--error ER_WRONG_FK_DEF +create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; + +# bug#3749 + +create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; +show create table t2; +drop table t2; +create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; +show create table t2; +drop table t2, t1; + + +# +# Bug #6126: Duplicate columns in keys gives misleading error message +# +--error 1060 +create table t1 (c char(10), index (c,c)) engine=innodb; +--error 1060 +create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; +--error 1060 +create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; +--error 1060 +create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; +create table t1 (c1 char(10), c2 char(10)) engine=innodb; +--error 1060 +alter table t1 add key (c1,c1); +--error 1060 +alter table t1 add key (c2,c1,c1); +--error 1060 +alter table t1 add key (c1,c2,c1); +--error 1060 +alter table t1 add key (c1,c1,c2); +drop table t1; + +# +# Bug #4082: integer truncation +# + +create table t1(a int(1) , b int(1)) engine=innodb; +insert into t1 values ('1111', '3333'); +select distinct concat(a, b) from t1; +drop table t1; + +# +# BUG#7709 test case - Boolean fulltext query against unsupported +# engines does not fail +# + +CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; +--error 1214 +SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); +DROP TABLE t1; + +# +# check null values #1 +# + +--disable_warnings +CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES (1),(2),(3); +CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), + CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; +--enable_warnings +INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); +SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; +DROP TABLE t2; +DROP TABLE t1; + +# +# Bug#11816 - Truncate table doesn't work with temporary innodb tables +# This is not an innodb bug, but we test it using innodb. +# +create temporary table t1 (a int) engine=innodb; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +drop table t1; +# Show that it works with permanent tables too. +create table t1 (a int) engine=innodb; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +drop table t1; + +# +# Bug #13025 Server crash during filesort +# + +create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; +insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); +select * from t1 order by a,b,c,d; +explain select * from t1 order by a,b,c,d; +drop table t1; + +# +# BUG#11039,#13218 Wrong key length in min() +# + +create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +select min(b) from t1 where a='8'; +drop table t1; + +# End of 4.1 tests + +# +# range optimizer problem +# + +create table t1 (x bigint unsigned not null primary key) engine=innodb; +insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); +select * from t1; +select count(*) from t1 where x>0; +select count(*) from t1 where x=0; +select count(*) from t1 where x<0; +select count(*) from t1 where x < -16; +select count(*) from t1 where x = -16; +explain select count(*) from t1 where x > -16; +select count(*) from t1 where x > -16; +select * from t1 where x > -16; +select count(*) from t1 where x = 18446744073709551601; +drop table t1; + + +# Test for testable InnoDB status variables. This test +# uses previous ones(pages_created, rows_deleted, ...). +--replace_result 8192 8191 +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; +SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; +SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; +SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; +SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; + +# Test for row locks InnoDB status variables. +SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; +SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; +SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; +SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; +SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; + +# Test for innodb_sync_spin_loops variable +SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; +show variables like "innodb_sync_spin_loops"; +set global innodb_sync_spin_loops=1000; +show variables like "innodb_sync_spin_loops"; +set global innodb_sync_spin_loops=0; +show variables like "innodb_sync_spin_loops"; +set global innodb_sync_spin_loops=20; +show variables like "innodb_sync_spin_loops"; +set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; + +# Test for innodb_thread_concurrency variable +show variables like "innodb_thread_concurrency"; +set global innodb_thread_concurrency=1001; +show variables like "innodb_thread_concurrency"; +set global innodb_thread_concurrency=0; +show variables like "innodb_thread_concurrency"; +set global innodb_thread_concurrency=16; +show variables like "innodb_thread_concurrency"; + +# Test for innodb_concurrency_tickets variable +show variables like "innodb_concurrency_tickets"; +set global innodb_concurrency_tickets=1000; +show variables like "innodb_concurrency_tickets"; +set global innodb_concurrency_tickets=0; +show variables like "innodb_concurrency_tickets"; +set global innodb_concurrency_tickets=500; +show variables like "innodb_concurrency_tickets"; + +# Test for innodb_thread_sleep_delay variable +show variables like "innodb_thread_sleep_delay"; +set global innodb_thread_sleep_delay=100000; +show variables like "innodb_thread_sleep_delay"; +set global innodb_thread_sleep_delay=0; +show variables like "innodb_thread_sleep_delay"; +set global innodb_thread_sleep_delay=10000; +show variables like "innodb_thread_sleep_delay"; + +# +# Test varchar +# + +let $default=`select @@storage_engine`; +set storage_engine=INNODB; +# this should be fixed by MySQL (see Bug #51451) +set session old_alter_table=1; +source include/varchar.inc; +set session old_alter_table=0; + +# +# Some errors/warnings on create +# + +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . master-data/ '' +create table t1 (v varchar(65530), key(v)); +drop table t1; +create table t1 (v varchar(65536)); +show create table t1; +drop table t1; +create table t1 (v varchar(65530) character set utf8); +show create table t1; +drop table t1; + +eval set storage_engine=$default; + +# InnoDB specific varchar tests +create table t1 (v varchar(16384)) engine=innodb; +drop table t1; + +# +# BUG#11039 Wrong key length in min() +# + +create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +select min(b) from t1 where a='8'; +drop table t1; + +# +# Bug #11080 & #11005 Multi-row REPLACE fails on a duplicate key error +# + +CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; +insert into t1 (b) values (1); +replace into t1 (b) values (2), (1), (3); +select * from t1; +truncate table t1; +insert into t1 (b) values (1); +replace into t1 (b) values (2); +replace into t1 (b) values (1); +replace into t1 (b) values (3); +select * from t1; +drop table t1; + +create table t1 (rowid int not null auto_increment, val int not null,primary +key (rowid), unique(val)) engine=innodb; +replace into t1 (val) values ('1'),('2'); +replace into t1 (val) values ('1'),('2'); +--error ER_DUP_ENTRY +insert into t1 (val) values ('1'),('2'); +select * from t1; +drop table t1; + +# +# Test that update does not change internal auto-increment value +# + +create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; +insert into t1 (val) values (1); +update t1 set a=2 where a=1; +# We should get the following error because InnoDB does not update the counter +--error ER_DUP_ENTRY +insert into t1 (val) values (1); +select * from t1; +drop table t1; +# +# Bug #10465 +# + +--disable_warnings +CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; +--enable_warnings +INSERT INTO t1 (GRADE) VALUES (151),(252),(343); +SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; +SELECT GRADE FROM t1 WHERE GRADE= 151; +DROP TABLE t1; + +# +# Bug #12340 multitable delete deletes only one record +# +create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; +create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; +insert into t2 values ('aa','cc'); +insert into t1 values ('aa','bb'),('aa','cc'); +delete t1 from t1,t2 where f1=f3 and f4='cc'; +select * from t1; +drop table t1,t2; + +# +# Test that the slow TRUNCATE implementation resets autoincrement columns +# (bug #11946) +# + +CREATE TABLE t1 ( +id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) +) ENGINE=InnoDB; + +CREATE TABLE t2 ( +id INTEGER NOT NULL, +FOREIGN KEY (id) REFERENCES t1 (id) +) ENGINE=InnoDB; + +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; +TRUNCATE t1; +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; + +# continued from above; test that doing a slow TRUNCATE on a table with 0 +# rows resets autoincrement columns +DELETE FROM t1; +TRUNCATE t1; +INSERT INTO t1 (id) VALUES (NULL); +SELECT * FROM t1; +DROP TABLE t2, t1; + +# Test that foreign keys in temporary tables are not accepted (bug #12084) +CREATE TABLE t1 +( + id INT PRIMARY KEY +) ENGINE=InnoDB; + +--error 1005,1005 +CREATE TEMPORARY TABLE t2 +( + id INT NOT NULL PRIMARY KEY, + b INT, + FOREIGN KEY (b) REFERENCES test.t1(id) +) ENGINE=InnoDB; +DROP TABLE t1; + +# +# Test that index column max sizes are honored (bug #13315) +# + +# prefix index +create table t1 (col1 varchar(2000), index (col1(767))) + character set = latin1 engine = innodb; + +# normal indexes +create table t2 (col1 char(255), index (col1)) + character set = latin1 engine = innodb; +create table t3 (col1 binary(255), index (col1)) + character set = latin1 engine = innodb; +create table t4 (col1 varchar(767), index (col1)) + character set = latin1 engine = innodb; +create table t5 (col1 varchar(767) primary key) + character set = latin1 engine = innodb; +create table t6 (col1 varbinary(767) primary key) + character set = latin1 engine = innodb; +create table t7 (col1 text, index(col1(767))) + character set = latin1 engine = innodb; +create table t8 (col1 blob, index(col1(767))) + character set = latin1 engine = innodb; + +# multi-column indexes are allowed to be longer +create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) + character set = latin1 engine = innodb; + +show create table t9; + +drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; + +# these should have their index length trimmed +create table t1 (col1 varchar(768), index(col1)) + character set = latin1 engine = innodb; +create table t2 (col1 varbinary(768), index(col1)) + character set = latin1 engine = innodb; +create table t3 (col1 text, index(col1(768))) + character set = latin1 engine = innodb; +create table t4 (col1 blob, index(col1(768))) + character set = latin1 engine = innodb; + +show create table t1; + +drop table t1, t2, t3, t4; + +# these should be refused +--error 1071 +create table t1 (col1 varchar(768) primary key) + character set = latin1 engine = innodb; +--error 1071 +create table t2 (col1 varbinary(768) primary key) + character set = latin1 engine = innodb; +--error 1071 +create table t3 (col1 text, primary key(col1(768))) + character set = latin1 engine = innodb; +--error 1071 +create table t4 (col1 blob, primary key(col1(768))) + character set = latin1 engine = innodb; + +# +# Test improved foreign key error messages (bug #3443) +# + +CREATE TABLE t1 +( + id INT PRIMARY KEY +) ENGINE=InnoDB; + +CREATE TABLE t2 +( + v INT, + CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) +) ENGINE=InnoDB; + +--error 1452 +INSERT INTO t2 VALUES(2); + +INSERT INTO t1 VALUES(1); +INSERT INTO t2 VALUES(1); + +--error 1451 +DELETE FROM t1 WHERE id = 1; + +--error 1217 +DROP TABLE t1; + +SET FOREIGN_KEY_CHECKS=0; +DROP TABLE t1; +SET FOREIGN_KEY_CHECKS=1; + +--error 1452 +INSERT INTO t2 VALUES(3); + +DROP TABLE t2; +# +# Test that checksum table uses a consistent read Bug #12669 +# +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2); +set autocommit=0; +checksum table t1; +connection b; +insert into t1 values(3); +connection a; +# +# Here checksum should not see insert +# +checksum table t1; +connection a; +commit; +checksum table t1; +commit; +drop table t1; +# +# autocommit = 1 +# +connection a; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +insert into t1 values (1),(2); +set autocommit=1; +checksum table t1; +connection b; +set autocommit=1; +insert into t1 values(3); +connection a; +# +# Here checksum sees insert +# +checksum table t1; +drop table t1; + +connection default; +disconnect a; +disconnect b; + +# tests for bugs #9802 and #13778 + +# test that FKs between invalid types are not accepted + +set foreign_key_checks=0; +create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . master-data/ '' +-- error 1005 +create table t1(a char(10) primary key, b varchar(20)) engine = innodb; +set foreign_key_checks=1; +drop table t2; + +# test that FKs between different charsets are not accepted in CREATE even +# when f_k_c is 0 + +set foreign_key_checks=0; +create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . master-data/ '' +-- error 1005 +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; +set foreign_key_checks=1; +drop table t1; + +# test that invalid datatype conversions with ALTER are not allowed + +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; +create table t1(a varchar(10) primary key) engine = innodb; +-- error 1025,1025 +alter table t1 modify column a int; +set foreign_key_checks=1; +drop table t2,t1; + +# test that charset conversions with ALTER are allowed when f_k_c is 0 + +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; +create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; +alter table t1 convert to character set utf8; +set foreign_key_checks=1; +drop table t2,t1; + +# test that RENAME does not allow invalid charsets when f_k_c is 0 + +set foreign_key_checks=0; +create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; +create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLD_DATADIR ./ master-data/ '' +-- error 1025 +rename table t3 to t1; +set foreign_key_checks=1; +drop table t2,t3; + +# test that foreign key errors are reported correctly (Bug #15550) + +create table t1(a int primary key) row_format=redundant engine=innodb; +create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; +create table t3(a int primary key) row_format=compact engine=innodb; +create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; + +insert into t1 values(1); +insert into t3 values(1); +-- error 1452 +insert into t2 values(2); +-- error 1452 +insert into t4 values(2); +insert into t2 values(1); +insert into t4 values(1); +-- error 1451 +update t1 set a=2; +-- error 1452 +update t2 set a=2; +-- error 1451 +update t3 set a=2; +-- error 1452 +update t4 set a=2; +-- error 1451 +truncate t1; +-- error 1451 +truncate t3; +truncate t2; +truncate t4; +truncate t1; +truncate t3; + +drop table t4,t3,t2,t1; + + +# +# Test that we can create a large (>1K) key +# +create table t1 (a varchar(255) character set utf8, + b varchar(255) character set utf8, + c varchar(255) character set utf8, + d varchar(255) character set utf8, + key (a,b,c,d)) engine=innodb; +drop table t1; +--error ER_TOO_LONG_KEY +create table t1 (a varchar(255) character set utf8, + b varchar(255) character set utf8, + c varchar(255) character set utf8, + d varchar(255) character set utf8, + e varchar(255) character set utf8, + key (a,b,c,d,e)) engine=innodb; + + +# test the padding of BINARY types and collations (Bug #14189) + +create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; +create table t2 (s1 binary(2),primary key (s1)) engine=innodb; +create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; +create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; + +insert into t1 values (0x41),(0x4120),(0x4100); +-- error ER_DUP_ENTRY +insert into t2 values (0x41),(0x4120),(0x4100); +insert into t2 values (0x41),(0x4120); +-- error ER_DUP_ENTRY +insert into t3 values (0x41),(0x4120),(0x4100); +insert into t3 values (0x41),(0x4100); +-- error ER_DUP_ENTRY +insert into t4 values (0x41),(0x4120),(0x4100); +insert into t4 values (0x41),(0x4100); +select hex(s1) from t1; +select hex(s1) from t2; +select hex(s1) from t3; +select hex(s1) from t4; +drop table t1,t2,t3,t4; + +create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; +create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; + +insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); +-- error 1452 +insert into t2 values(0x42); +insert into t2 values(0x41); +select hex(s1) from t2; +update t1 set s1=0x123456 where a=2; +select hex(s1) from t2; +-- error 1451 +update t1 set s1=0x12 where a=1; +-- error 1451 +update t1 set s1=0x12345678 where a=1; +-- error 1451 +update t1 set s1=0x123457 where a=1; +update t1 set s1=0x1220 where a=1; +select hex(s1) from t2; +update t1 set s1=0x1200 where a=1; +select hex(s1) from t2; +update t1 set s1=0x4200 where a=1; +select hex(s1) from t2; +-- error 1451 +delete from t1 where a=1; +delete from t1 where a=2; +update t2 set s1=0x4120; +-- error 1451 +delete from t1; +delete from t1 where a!=3; +select a,hex(s1) from t1; +select hex(s1) from t2; + +drop table t2,t1; + +create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; +create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; + +insert into t1 values(1,0x4100),(2,0x41); +insert into t2 values(0x41); +select hex(s1) from t2; +update t1 set s1=0x1234 where a=1; +select hex(s1) from t2; +update t1 set s1=0x12 where a=2; +select hex(s1) from t2; +delete from t1 where a=1; +-- error 1451 +delete from t1 where a=2; +select a,hex(s1) from t1; +select hex(s1) from t2; + +drop table t2,t1; +# Ensure that _ibfk_0 is not mistreated as a +# generated foreign key identifier. (Bug #16387) + +CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; +CREATE TABLE t2(a INT) ENGINE=InnoDB; +ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); +ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; +ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); +ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; +SHOW CREATE TABLE t2; +DROP TABLE t2,t1; + +# +# Test case for bug #16229: MySQL/InnoDB uses full explicit table locks in trigger processing +# + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +insert into t1(a) values (1),(2),(3); +commit; +connection b; +set autocommit = 0; +update t1 set b = 5 where a = 2; +connection a; +delimiter |; +create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | +delimiter ;| +set autocommit = 0; +connection a; +insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), +(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), +(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), +(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), +(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); +connection b; +commit; +connection a; +commit; +drop trigger t1t; +drop table t1; +disconnect a; +disconnect b; +# +# Another trigger test +# +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +insert into t1(a) values (1),(2),(3); +insert into t2(a) values (1),(2),(3); +insert into t3(a) values (1),(2),(3); +insert into t4(a) values (1),(2),(3); +insert into t3(a) values (5),(7),(8); +insert into t4(a) values (5),(7),(8); +insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); + +delimiter |; +create trigger t1t before insert on t1 for each row begin + INSERT INTO t2 SET a = NEW.a; +end | + +create trigger t2t before insert on t2 for each row begin + DELETE FROM t3 WHERE a = NEW.a; +end | + +create trigger t3t before delete on t3 for each row begin + UPDATE t4 SET b = b + 1 WHERE a = OLD.a; +end | + +create trigger t4t before update on t4 for each row begin + UPDATE t5 SET b = b + 1 where a = NEW.a; +end | +delimiter ;| +commit; +set autocommit = 0; +update t1 set b = b + 5 where a = 1; +update t2 set b = b + 5 where a = 1; +update t3 set b = b + 5 where a = 1; +update t4 set b = b + 5 where a = 1; +insert into t5(a) values(20); +connection b; +set autocommit = 0; +insert into t1(a) values(7); +insert into t2(a) values(8); +delete from t2 where a = 3; +update t4 set b = b + 1 where a = 3; +commit; +drop trigger t1t; +drop trigger t2t; +drop trigger t3t; +drop trigger t4t; +drop table t1, t2, t3, t4, t5; +connection default; +disconnect a; +disconnect b; + +# +# Test that cascading updates leading to duplicate keys give the correct +# error message (bug #9680) +# + +CREATE TABLE t1 ( + field1 varchar(8) NOT NULL DEFAULT '', + field2 varchar(8) NOT NULL DEFAULT '', + PRIMARY KEY (field1, field2) +) ENGINE=InnoDB; + +CREATE TABLE t2 ( + field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, + FOREIGN KEY (field1) REFERENCES t1 (field1) + ON DELETE CASCADE ON UPDATE CASCADE +) ENGINE=InnoDB; + +INSERT INTO t1 VALUES ('old', 'somevalu'); +INSERT INTO t1 VALUES ('other', 'anyvalue'); + +INSERT INTO t2 VALUES ('old'); +INSERT INTO t2 VALUES ('other'); + +--error ER_FOREIGN_DUPLICATE_KEY +UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; + +DROP TABLE t2; +DROP TABLE t1; + +# +# Bug#18477 - MySQL/InnoDB Ignoring Foreign Keys in ALTER TABLE +# +create table t1 ( + c1 bigint not null, + c2 bigint not null, + primary key (c1), + unique key (c2) +) engine=innodb; +# +create table t2 ( + c1 bigint not null, + primary key (c1) +) engine=innodb; +# +alter table t1 add constraint c2_fk foreign key (c2) + references t2(c1) on delete cascade; +show create table t1; +# +alter table t1 drop foreign key c2_fk; +show create table t1; +# +drop table t1, t2; + +# +# Bug #14360: problem with intervals +# + +create table t1(a date) engine=innodb; +create table t2(a date, key(a)) engine=innodb; +insert into t1 values('2005-10-01'); +insert into t2 values('2005-10-01'); +select * from t1, t2 + where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; +drop table t1, t2; + +create table t1 (id int not null, f_id int not null, f int not null, +primary key(f_id, id)) engine=innodb; +create table t2 (id int not null,s_id int not null,s varchar(200), +primary key(id)) engine=innodb; +INSERT INTO t1 VALUES (8, 1, 3); +INSERT INTO t1 VALUES (1, 2, 1); +INSERT INTO t2 VALUES (1, 0, ''); +INSERT INTO t2 VALUES (8, 1, ''); +commit; +DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) +WHERE mm.id IS NULL; +select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) +where mm.id is null lock in share mode; +drop table t1,t2; + +# +# Test case where X-locks on unused rows should be released in a +# update (because READ COMMITTED isolation level) +# + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); +commit; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +update t1 set b = 5 where b = 1; +connection b; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +# +# X-lock to record (7,3) should be released in a update +# +select * from t1 where a = 7 and b = 3 for update; +connection a; +commit; +connection b; +commit; +drop table t1; +connection default; +disconnect a; +disconnect b; + +# +# Test case where no locks should be released (because we are not +# using READ COMMITTED isolation level) +# + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); +commit; +set autocommit = 0; +select * from t1 lock in share mode; +update t1 set b = 5 where b = 1; +connection b; +set autocommit = 0; +# +# S-lock to records (2,2),(4,2), and (6,2) should not be released in a update +# +--error 1205 +select * from t1 where a = 2 and b = 2 for update; +# +# X-lock to record (1,1),(3,1),(5,1) should not be released in a update +# +--error 1205 +connection a; +commit; +connection b; +commit; +connection default; +disconnect a; +disconnect b; +drop table t1; + +# +# Consistent read should be used in following selects +# +# 1) INSERT INTO ... SELECT +# 2) UPDATE ... = ( SELECT ...) +# 3) CREATE ... SELECT + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values (1,2),(5,3),(4,2); +create table t2(d int not null, e int, primary key(d)) engine=innodb; +insert into t2 values (8,6),(12,1),(3,1); +commit; +set autocommit = 0; +select * from t2 for update; +connection b; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +insert into t1 select * from t2; +update t1 set b = (select e from t2 where a = d); +create table t3(d int not null, e int, primary key(d)) engine=innodb +select * from t2; +commit; +connection a; +commit; +connection default; +disconnect a; +disconnect b; +drop table t1, t2, t3; + +# +# Consistent read should not be used if +# +# (a) isolation level is serializable OR +# (b) select ... lock in share mode OR +# (c) select ... for update +# +# in following queries: +# +# 1) INSERT INTO ... SELECT +# 2) UPDATE ... = ( SELECT ...) +# 3) CREATE ... SELECT + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connect (c,localhost,root,,); +connect (d,localhost,root,,); +connect (e,localhost,root,,); +connect (f,localhost,root,,); +connect (g,localhost,root,,); +connect (h,localhost,root,,); +connect (i,localhost,root,,); +connect (j,localhost,root,,); +connection a; +create table t1(a int not null, b int, primary key(a)) engine=innodb; +insert into t1 values (1,2),(5,3),(4,2); +create table t2(a int not null, b int, primary key(a)) engine=innodb; +insert into t2 values (8,6),(12,1),(3,1); +create table t3(d int not null, b int, primary key(d)) engine=innodb; +insert into t3 values (8,6),(12,1),(3,1); +create table t5(a int not null, b int, primary key(a)) engine=innodb; +insert into t5 values (1,2),(5,3),(4,2); +create table t6(d int not null, e int, primary key(d)) engine=innodb; +insert into t6 values (8,6),(12,1),(3,1); +create table t8(a int not null, b int, primary key(a)) engine=innodb; +insert into t8 values (1,2),(5,3),(4,2); +create table t9(d int not null, e int, primary key(d)) engine=innodb; +insert into t9 values (8,6),(12,1),(3,1); +commit; +set autocommit = 0; +select * from t2 for update; +connection b; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +--send +insert into t1 select * from t2; +connection c; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +--send +update t3 set b = (select b from t2 where a = d); +connection d; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +--send +create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; +connection e; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +insert into t5 (select * from t2 lock in share mode); +connection f; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +update t6 set e = (select b from t2 where a = d lock in share mode); +connection g; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; +connection h; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +insert into t8 (select * from t2 for update); +connection i; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +update t9 set e = (select b from t2 where a = d for update); +connection j; +SET binlog_format='MIXED'; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +--send +create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; + +connection b; +--error 1205 +reap; + +connection c; +--error 1205 +reap; + +connection d; +--error 1205 +reap; + +connection e; +--error 1205 +reap; + +connection f; +--error 1205 +reap; + +connection g; +--error 1205 +reap; + +connection h; +--error 1205 +reap; + +connection i; +--error 1205 +reap; + +connection j; +--error 1205 +reap; + +connection a; +commit; + +connection default; +disconnect a; +disconnect b; +disconnect c; +disconnect d; +disconnect e; +disconnect f; +disconnect g; +disconnect h; +disconnect i; +disconnect j; +drop table t1, t2, t3, t5, t6, t8, t9; + +# bug 18934, "InnoDB crashes when table uses column names like DB_ROW_ID" +--error ER_WRONG_COLUMN_NAME +CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; + +# +# Bug #17152: Wrong result with BINARY comparison on aliased column +# + +CREATE TABLE t1 ( + a BIGINT(20) NOT NULL, + PRIMARY KEY (a) + ) ENGINE=INNODB DEFAULT CHARSET=UTF8; + +CREATE TABLE t2 ( + a BIGINT(20) NOT NULL, + b VARCHAR(128) NOT NULL, + c TEXT NOT NULL, + PRIMARY KEY (a,b), + KEY idx_t2_b_c (b,c(200)), + CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) + ON DELETE CASCADE + ) ENGINE=INNODB DEFAULT CHARSET=UTF8; + +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1, 'bar', 'vbar'); +INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); +INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); +INSERT INTO t2 VALUES (1, 'customer_over', '1'); + +SELECT * FROM t2 WHERE b = 'customer_over'; +SELECT * FROM t2 WHERE BINARY b = 'customer_over'; +SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; +/* Bang: Empty result set, above was expected: */ +SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; +SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; + +drop table t2, t1; + +# +# Test optimize on table with open transaction +# + +CREATE TABLE t1 ( a int ) ENGINE=innodb; +BEGIN; +INSERT INTO t1 VALUES (1); +OPTIMIZE TABLE t1; +DROP TABLE t1; + +# +# Bug #24741 (existing cascade clauses disappear when adding foreign keys) +# + +CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; + +CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, + CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) + ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; + +ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON +DELETE CASCADE ON UPDATE CASCADE; + +SHOW CREATE TABLE t2; +DROP TABLE t2, t1; + +# +# Bug #25927: Prevent ALTER TABLE ... MODIFY ... NOT NULL on columns +# for which there is a foreign key constraint ON ... SET NULL. +# + +CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; +CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1); +ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLD_DATADIR ./ master-data/ '' +--error 1025 +ALTER TABLE t2 MODIFY a INT NOT NULL; +DELETE FROM t1; +DROP TABLE t2,t1; + +# +# Bug #26835: table corruption after delete+insert +# + +CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) +ENGINE=InnoDB; +INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); +DELETE FROM t1; +INSERT INTO t1 VALUES ('DDD'); +SELECT * FROM t1; +DROP TABLE t1; + +# +# Bug #23313 (AUTO_INCREMENT=# not reported back for InnoDB tables) +# Bug #21404 (AUTO_INCREMENT value reset when Adding FKEY (or ALTER?)) +# + +CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB +AUTO_INCREMENT=42; + +INSERT INTO t1 VALUES (0),(347),(0); +SELECT * FROM t1; + +SHOW CREATE TABLE t1; + +CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t2 VALUES(42),(347),(348); +ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); +SHOW CREATE TABLE t1; + +DROP TABLE t1,t2; + +# +# Bug #21101 (Prints wrong error message if max row size is too large) +# +set innodb_strict_mode=on; +--error 1118 +CREATE TABLE t1 ( + c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), + c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), + c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), + c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), + c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), + c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), + c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), + c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) + ) ENGINE = InnoDB; + +# +# Bug #31860 InnoDB assumes AUTOINC values can only be positive. +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1( + id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY + ) ENGINE=InnoDB; +INSERT INTO t1 VALUES(-10); +SELECT * FROM t1; +# +# NOTE: The server really needs to be restarted at this point +# for the test to be useful. +# +# Without the fix InnoDB would trip over an assertion here. +INSERT INTO t1 VALUES(NULL); +# The next value should be 1 and not -9 or a -ve number +SELECT * FROM t1; +DROP TABLE t1; + +# +# Bug #21409 Incorrect result returned when in READ-COMMITTED with +# query_cache ON +# +CONNECT (c1,localhost,root,,); +CONNECT (c2,localhost,root,,); +CONNECTION c1; +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +DROP TABLE IF EXISTS t1, t2; +CREATE TABLE t1 ( a int ) ENGINE=InnoDB; +CREATE TABLE t2 LIKE t1; +SELECT * FROM t2; +CONNECTION c2; +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +INSERT INTO t1 VALUES (1); +COMMIT; +CONNECTION c1; +SELECT * FROM t1 WHERE a=1; +DISCONNECT c1; +DISCONNECT c2; +CONNECT (c1,localhost,root,,); +CONNECT (c2,localhost,root,,); +CONNECTION c1; +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +SELECT * FROM t2; +CONNECTION c2; +SET binlog_format='MIXED'; +SET TX_ISOLATION='read-committed'; +SET AUTOCOMMIT=0; +INSERT INTO t1 VALUES (2); +COMMIT; +CONNECTION c1; +# The result set below should be the same for both selects +SELECT * FROM t1 WHERE a=2; +SELECT * FROM t1 WHERE a=2; +DROP TABLE t1; +DROP TABLE t2; +DISCONNECT c1; +DISCONNECT c2; +CONNECTION default; + +# +# Bug #29157 UPDATE, changed rows incorrect +# +create table t1 (i int, j int) engine=innodb; +insert into t1 (i, j) values (1, 1), (2, 2); +--enable_info +update t1 set j = 2; +--disable_info +drop table t1; + +# +# Bug #32440 InnoDB free space info does not appear in SHOW TABLE STATUS or +# I_S +# +create table t1 (id int) comment='this is a comment' engine=innodb; +select table_comment, data_free > 0 as data_free_is_set + from information_schema.tables + where table_schema='test' and table_name = 't1'; +drop table t1; + +# +# Bug 34920 test +# +CONNECTION default; +CREATE TABLE t1 ( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, + c2 VARCHAR(128) NOT NULL, + PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; + +CREATE TABLE t2 ( + c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, + c2 INT(10) UNSIGNED DEFAULT NULL, + PRIMARY KEY(c1) +) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; + +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); +SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; +DROP TABLE t2; +DROP TABLE t1; +# End 34920 test +# +# Bug #29507 TRUNCATE shows to many rows effected +# +CONNECTION default; +CREATE TABLE t1 (c1 int default NULL, + c2 int default NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +--enable_info +TRUNCATE TABLE t1; + +INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); +TRUNCATE TABLE t1; + +--disable_info +DROP TABLE t1; +# +# Bug#35537 Innodb doesn't increment handler_update and handler_delete. +# +-- disable_query_log +-- disable_result_log + +CONNECT (c1,localhost,root,,); + +DROP TABLE IF EXISTS bug35537; +CREATE TABLE bug35537 ( + c1 int +) ENGINE=InnoDB; + +INSERT INTO bug35537 VALUES (1); + +-- enable_result_log + +SHOW SESSION STATUS LIKE 'Handler_update%'; +SHOW SESSION STATUS LIKE 'Handler_delete%'; + +UPDATE bug35537 SET c1 = 2 WHERE c1 = 1; +DELETE FROM bug35537 WHERE c1 = 2; + +SHOW SESSION STATUS LIKE 'Handler_update%'; +SHOW SESSION STATUS LIKE 'Handler_delete%'; + +DROP TABLE bug35537; + +DISCONNECT c1; +CONNECTION default; + +SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig; + +-- enable_query_log + +####################################################################### +# # +# Please, DO NOT TOUCH this file as well as the innodb.result file. # +# These files are to be modified ONLY BY INNOBASE guys. # +# # +# Use innodb_mysql.[test|result] files instead. # +# # +# If nevertheless you need to make some changes here, please, forward # +# your commit message # +# To: innodb_dev_ww@oracle.com # +# Cc: dev-innodb@mysql.com # +# (otherwise your changes may be erased). # +# # +####################################################################### diff --git a/perfschema/mysql-test/innodb_bug21704.result b/perfschema/mysql-test/innodb_bug21704.result new file mode 100644 index 00000000000..ffbfa8a337e --- /dev/null +++ b/perfschema/mysql-test/innodb_bug21704.result @@ -0,0 +1,55 @@ +# +# Bug#21704: Renaming column does not update FK definition. +# + +# Test that it's not possible to rename columns participating in a +# foreign key (either in the referencing or referenced table). + +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +DROP TABLE IF EXISTS t3; +CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; +CREATE TABLE t2 (a INT PRIMARY KEY, b INT, +CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; +CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, +CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; +INSERT INTO t1 VALUES (1,1),(2,2),(3,3); +INSERT INTO t2 VALUES (1,1),(2,2),(3,3); +INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); + +# Test renaming the column in the referenced table. + +ALTER TABLE t1 CHANGE a c INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t1 CHANGE b c INT; +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 + +# Test renaming the column in the referencing table + +ALTER TABLE t2 CHANGE a c INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t2 CHANGE b c INT; +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 + +# Test with self-referential constraints + +ALTER TABLE t3 CHANGE a d INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) +ALTER TABLE t3 CHANGE b d INT; +ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) +# Ensure that online column rename works. +ALTER TABLE t3 CHANGE c d INT; +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 + +# Cleanup. + +DROP TABLE t3; +DROP TABLE t2; +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb_bug21704.test b/perfschema/mysql-test/innodb_bug21704.test new file mode 100644 index 00000000000..c649b61034c --- /dev/null +++ b/perfschema/mysql-test/innodb_bug21704.test @@ -0,0 +1,96 @@ +-- source include/have_innodb.inc + +--echo # +--echo # Bug#21704: Renaming column does not update FK definition. +--echo # + +--echo +--echo # Test that it's not possible to rename columns participating in a +--echo # foreign key (either in the referencing or referenced table). +--echo + +--disable_warnings +DROP TABLE IF EXISTS t1; +DROP TABLE IF EXISTS t2; +DROP TABLE IF EXISTS t3; +--enable_warnings + +CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; + +CREATE TABLE t2 (a INT PRIMARY KEY, b INT, + CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; + +CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, + CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) +ROW_FORMAT=COMPACT ENGINE=INNODB; + +INSERT INTO t1 VALUES (1,1),(2,2),(3,3); +INSERT INTO t2 VALUES (1,1),(2,2),(3,3); +INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); + +--echo +--echo # Test renaming the column in the referenced table. +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t1 CHANGE a c INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t1 CHANGE b c INT; +--disable_info + +--echo +--echo # Test renaming the column in the referencing table +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t2 CHANGE a c INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t2 CHANGE b c INT; +--disable_info + +--echo +--echo # Test with self-referential constraints +--echo + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t3 CHANGE a d INT; + +# mysqltest first does replace_regex, then replace_result +--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' +--error ER_ERROR_ON_RENAME +ALTER TABLE t3 CHANGE b d INT; + +--echo # Ensure that online column rename works. + +--enable_info +ALTER TABLE t3 CHANGE c d INT; +--disable_info + +--echo +--echo # Cleanup. +--echo + +DROP TABLE t3; +DROP TABLE t2; +DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb_bug34053.result b/perfschema/mysql-test/innodb_bug34053.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug34053.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug34053.test b/perfschema/mysql-test/innodb_bug34053.test new file mode 100644 index 00000000000..b935e45c06d --- /dev/null +++ b/perfschema/mysql-test/innodb_bug34053.test @@ -0,0 +1,50 @@ +# +# Make sure http://bugs.mysql.com/34053 remains fixed. +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we do not really care about what gets printed, we are only +# interested in getting success or failure according to our +# expectations +-- disable_query_log +-- disable_result_log + +GRANT USAGE ON *.* TO 'shane'@'localhost' IDENTIFIED BY '12345'; +FLUSH PRIVILEGES; + +-- connect (con1,localhost,shane,12345,) + +-- connection con1 +-- error ER_SPECIFIC_ACCESS_DENIED_ERROR +CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; +-- error ER_SPECIFIC_ACCESS_DENIED_ERROR +CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; +CREATE TABLE innodb_monitorx (a INT) ENGINE=INNODB; +DROP TABLE innodb_monitorx; +CREATE TABLE innodb_monito (a INT) ENGINE=INNODB; +DROP TABLE innodb_monito; +CREATE TABLE xinnodb_monitor (a INT) ENGINE=INNODB; +DROP TABLE xinnodb_monitor; +CREATE TABLE nnodb_monitor (a INT) ENGINE=INNODB; +DROP TABLE nnodb_monitor; + +-- connection default +CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; +CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; + +-- connection con1 +-- error ER_SPECIFIC_ACCESS_DENIED_ERROR +DROP TABLE innodb_monitor; +-- error ER_SPECIFIC_ACCESS_DENIED_ERROR +DROP TABLE innodb_mem_validate; + +-- connection default +DROP TABLE innodb_monitor; +DROP TABLE innodb_mem_validate; +DROP USER 'shane'@'localhost'; + +-- disconnect con1 diff --git a/perfschema/mysql-test/innodb_bug34300.result b/perfschema/mysql-test/innodb_bug34300.result new file mode 100644 index 00000000000..ae9fee81ad7 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug34300.result @@ -0,0 +1,4 @@ +f4 f8 +xxx zzz +f4 f8 +xxx zzz diff --git a/perfschema/mysql-test/innodb_bug34300.test b/perfschema/mysql-test/innodb_bug34300.test new file mode 100644 index 00000000000..68c385fd72a --- /dev/null +++ b/perfschema/mysql-test/innodb_bug34300.test @@ -0,0 +1,34 @@ +# +# Bug#34300 Tinyblob & tinytext fields currupted after export/import and alter in 5.1 +# http://bugs.mysql.com/34300 +# + +-- source include/have_innodb.inc + +-- disable_query_log +-- disable_result_log + +# set packet size and reconnect +let $max_packet=`select @@global.max_allowed_packet`; +SET @@global.max_allowed_packet=16777216; +--connect (newconn, localhost, root,,) + +DROP TABLE IF EXISTS bug34300; +CREATE TABLE bug34300 ( + f4 TINYTEXT, + f6 MEDIUMTEXT, + f8 TINYBLOB +) ENGINE=InnoDB; + +INSERT INTO bug34300 VALUES ('xxx', repeat('a', 8459264), 'zzz'); + +-- enable_result_log + +SELECT f4, f8 FROM bug34300; + +ALTER TABLE bug34300 ADD COLUMN (f10 INT); + +SELECT f4, f8 FROM bug34300; + +DROP TABLE bug34300; +EVAL SET @@global.max_allowed_packet=$max_packet; diff --git a/perfschema/mysql-test/innodb_bug35220.result b/perfschema/mysql-test/innodb_bug35220.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug35220.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug35220.test b/perfschema/mysql-test/innodb_bug35220.test new file mode 100644 index 00000000000..26f7d6b1ddd --- /dev/null +++ b/perfschema/mysql-test/innodb_bug35220.test @@ -0,0 +1,16 @@ +# +# Bug#35220 ALTER TABLE too picky on reserved word "foreign" +# http://bugs.mysql.com/35220 +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not produce errors +-- disable_query_log +-- disable_result_log + +CREATE TABLE bug35220 (foreign_col INT, dummy_cant_delete_all_columns INT); +ALTER TABLE bug35220 DROP foreign_col; +DROP TABLE bug35220; diff --git a/perfschema/mysql-test/innodb_bug36169.result b/perfschema/mysql-test/innodb_bug36169.result new file mode 100644 index 00000000000..aa80e4d7aa4 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug36169.result @@ -0,0 +1,2 @@ +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=ON; diff --git a/perfschema/mysql-test/innodb_bug36169.test b/perfschema/mysql-test/innodb_bug36169.test new file mode 100644 index 00000000000..5bf55193b5c --- /dev/null +++ b/perfschema/mysql-test/innodb_bug36169.test @@ -0,0 +1,1159 @@ +# +# Bug#36169 create innodb compressed table with too large row size crashed +# http://bugs.mysql.com/36169 +# + +-- source include/have_innodb.inc + +let $file_format=`select @@innodb_file_format`; +let $file_per_table=`select @@innodb_file_per_table`; +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=ON; + +# +# The following is copied from http://bugs.mysql.com/36169 +# (http://bugs.mysql.com/file.php?id=9121) +# Probably it can be simplified but that is not obvious. +# + +# we care only that the following SQL commands do produce errors +# as expected and do not crash the server +-- disable_query_log +-- disable_result_log + +# Generating 10 tables +# Creating a table with 94 columns and 24 indexes +DROP TABLE IF EXISTS `table0`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table0` +(`col0` BOOL, +`col1` BOOL, +`col2` TINYINT, +`col3` DATE, +`col4` TIME, +`col5` SET ('test1','test2','test3'), +`col6` TIME, +`col7` TEXT, +`col8` DECIMAL, +`col9` SET ('test1','test2','test3'), +`col10` FLOAT, +`col11` DOUBLE PRECISION, +`col12` ENUM ('test1','test2','test3'), +`col13` TINYBLOB, +`col14` YEAR, +`col15` SET ('test1','test2','test3'), +`col16` NUMERIC, +`col17` NUMERIC, +`col18` BLOB, +`col19` DATETIME, +`col20` DOUBLE PRECISION, +`col21` DECIMAL, +`col22` DATETIME, +`col23` NUMERIC, +`col24` NUMERIC, +`col25` LONGTEXT, +`col26` TINYBLOB, +`col27` TIME, +`col28` TINYBLOB, +`col29` ENUM ('test1','test2','test3'), +`col30` SMALLINT, +`col31` REAL, +`col32` FLOAT, +`col33` CHAR (175), +`col34` TINYTEXT, +`col35` TINYTEXT, +`col36` TINYBLOB, +`col37` TINYBLOB, +`col38` TINYTEXT, +`col39` MEDIUMBLOB, +`col40` TIMESTAMP, +`col41` DOUBLE, +`col42` SMALLINT, +`col43` LONGBLOB, +`col44` VARCHAR (80), +`col45` MEDIUMTEXT, +`col46` NUMERIC, +`col47` BIGINT, +`col48` DATE, +`col49` TINYBLOB, +`col50` DATE, +`col51` BOOL, +`col52` MEDIUMINT, +`col53` FLOAT, +`col54` TINYBLOB, +`col55` LONGTEXT, +`col56` SMALLINT, +`col57` ENUM ('test1','test2','test3'), +`col58` DATETIME, +`col59` MEDIUMTEXT, +`col60` VARCHAR (232), +`col61` NUMERIC, +`col62` YEAR, +`col63` SMALLINT, +`col64` TIMESTAMP, +`col65` BLOB, +`col66` LONGBLOB, +`col67` INT, +`col68` LONGTEXT, +`col69` ENUM ('test1','test2','test3'), +`col70` INT, +`col71` TIME, +`col72` TIMESTAMP, +`col73` TIMESTAMP, +`col74` VARCHAR (170), +`col75` SET ('test1','test2','test3'), +`col76` TINYBLOB, +`col77` BIGINT, +`col78` NUMERIC, +`col79` DATETIME, +`col80` YEAR, +`col81` NUMERIC, +`col82` LONGBLOB, +`col83` TEXT, +`col84` CHAR (83), +`col85` DECIMAL, +`col86` FLOAT, +`col87` INT, +`col88` VARCHAR (145), +`col89` DATE, +`col90` DECIMAL, +`col91` DECIMAL, +`col92` MEDIUMBLOB, +`col93` TIME, +KEY `idx0` (`col69`,`col90`,`col8`), +KEY `idx1` (`col60`), +KEY `idx2` (`col60`,`col70`,`col74`), +KEY `idx3` (`col22`,`col32`,`col72`,`col30`), +KEY `idx4` (`col29`), +KEY `idx5` (`col19`,`col45`(143)), +KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), +KEY `idx7` (`col48`,`col61`), +KEY `idx8` (`col93`), +KEY `idx9` (`col31`), +KEY `idx10` (`col30`,`col21`), +KEY `idx11` (`col67`), +KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), +KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), +KEY `idx14` (`col78`), +KEY `idx15` (`col63`,`col67`,`col64`), +KEY `idx16` (`col17`,`col86`), +KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), +KEY `idx18` (`col62`), +KEY `idx19` (`col31`,`col57`,`col56`,`col53`), +KEY `idx20` (`col46`), +KEY `idx21` (`col83`(54)), +KEY `idx22` (`col51`,`col7`(120)), +KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 10 columns and 32 indexes +DROP TABLE IF EXISTS `table1`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table1` +(`col0` CHAR (113), +`col1` FLOAT, +`col2` BIGINT, +`col3` DECIMAL, +`col4` BLOB, +`col5` LONGTEXT, +`col6` SET ('test1','test2','test3'), +`col7` BIGINT, +`col8` BIGINT, +`col9` TINYBLOB, +KEY `idx0` (`col5`(101),`col7`,`col8`), +KEY `idx1` (`col8`), +KEY `idx2` (`col4`(177),`col9`(126),`col6`,`col3`), +KEY `idx3` (`col5`(160)), +KEY `idx4` (`col9`(242)), +KEY `idx5` (`col4`(139),`col2`,`col3`), +KEY `idx6` (`col7`), +KEY `idx7` (`col6`,`col2`,`col0`,`col3`), +KEY `idx8` (`col9`(66)), +KEY `idx9` (`col5`(253)), +KEY `idx10` (`col1`,`col7`,`col2`), +KEY `idx11` (`col9`(242),`col0`,`col8`,`col5`(163)), +KEY `idx12` (`col8`), +KEY `idx13` (`col0`,`col9`(37)), +KEY `idx14` (`col0`), +KEY `idx15` (`col5`(111)), +KEY `idx16` (`col8`,`col0`,`col5`(13)), +KEY `idx17` (`col4`(139)), +KEY `idx18` (`col5`(189),`col2`,`col3`,`col9`(136)), +KEY `idx19` (`col0`,`col3`,`col1`,`col8`), +KEY `idx20` (`col8`), +KEY `idx21` (`col0`,`col7`,`col9`(227),`col3`), +KEY `idx22` (`col0`), +KEY `idx23` (`col2`), +KEY `idx24` (`col3`), +KEY `idx25` (`col2`,`col3`), +KEY `idx26` (`col0`), +KEY `idx27` (`col5`(254)), +KEY `idx28` (`col3`), +KEY `idx29` (`col3`), +KEY `idx30` (`col7`,`col3`,`col0`,`col4`(220)), +KEY `idx31` (`col4`(1),`col0`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 141 columns and 18 indexes +DROP TABLE IF EXISTS `table2`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table2` +(`col0` BOOL, +`col1` MEDIUMINT, +`col2` VARCHAR (209), +`col3` MEDIUMBLOB, +`col4` CHAR (13), +`col5` DOUBLE, +`col6` TINYTEXT, +`col7` REAL, +`col8` SMALLINT, +`col9` BLOB, +`col10` TINYINT, +`col11` DECIMAL, +`col12` BLOB, +`col13` DECIMAL, +`col14` LONGBLOB, +`col15` SMALLINT, +`col16` LONGBLOB, +`col17` TINYTEXT, +`col18` FLOAT, +`col19` CHAR (78), +`col20` MEDIUMTEXT, +`col21` SET ('test1','test2','test3'), +`col22` MEDIUMINT, +`col23` INT, +`col24` MEDIUMBLOB, +`col25` ENUM ('test1','test2','test3'), +`col26` TINYBLOB, +`col27` VARCHAR (116), +`col28` TIMESTAMP, +`col29` BLOB, +`col30` SMALLINT, +`col31` DOUBLE PRECISION, +`col32` DECIMAL, +`col33` DECIMAL, +`col34` TEXT, +`col35` MEDIUMINT, +`col36` MEDIUMINT, +`col37` BIGINT, +`col38` VARCHAR (253), +`col39` TINYBLOB, +`col40` MEDIUMBLOB, +`col41` BIGINT, +`col42` DOUBLE, +`col43` TEXT, +`col44` BLOB, +`col45` TIME, +`col46` MEDIUMINT, +`col47` DOUBLE PRECISION, +`col48` SET ('test1','test2','test3'), +`col49` DOUBLE PRECISION, +`col50` VARCHAR (97), +`col51` TEXT, +`col52` NUMERIC, +`col53` ENUM ('test1','test2','test3'), +`col54` MEDIUMTEXT, +`col55` MEDIUMINT, +`col56` DATETIME, +`col57` DATETIME, +`col58` MEDIUMTEXT, +`col59` CHAR (244), +`col60` LONGBLOB, +`col61` MEDIUMBLOB, +`col62` DOUBLE, +`col63` SMALLINT, +`col64` BOOL, +`col65` SMALLINT, +`col66` VARCHAR (212), +`col67` TIME, +`col68` REAL, +`col69` BOOL, +`col70` BIGINT, +`col71` DATE, +`col72` TINYINT, +`col73` ENUM ('test1','test2','test3'), +`col74` DATE, +`col75` TIME, +`col76` DATETIME, +`col77` BOOL, +`col78` TINYTEXT, +`col79` MEDIUMINT, +`col80` NUMERIC, +`col81` LONGTEXT, +`col82` SET ('test1','test2','test3'), +`col83` DOUBLE PRECISION, +`col84` NUMERIC, +`col85` VARCHAR (184), +`col86` DOUBLE PRECISION, +`col87` MEDIUMTEXT, +`col88` MEDIUMBLOB, +`col89` BOOL, +`col90` SMALLINT, +`col91` TINYINT, +`col92` ENUM ('test1','test2','test3'), +`col93` BOOL, +`col94` TIMESTAMP, +`col95` BOOL, +`col96` MEDIUMTEXT, +`col97` DECIMAL, +`col98` BOOL, +`col99` DECIMAL, +`col100` MEDIUMINT, +`col101` DOUBLE PRECISION, +`col102` TINYINT, +`col103` BOOL, +`col104` MEDIUMINT, +`col105` DECIMAL, +`col106` NUMERIC, +`col107` TIMESTAMP, +`col108` MEDIUMBLOB, +`col109` TINYBLOB, +`col110` SET ('test1','test2','test3'), +`col111` YEAR, +`col112` TIMESTAMP, +`col113` CHAR (201), +`col114` BOOL, +`col115` TINYINT, +`col116` DOUBLE, +`col117` TINYINT, +`col118` TIMESTAMP, +`col119` SET ('test1','test2','test3'), +`col120` SMALLINT, +`col121` TINYBLOB, +`col122` TIMESTAMP, +`col123` BLOB, +`col124` DATE, +`col125` SMALLINT, +`col126` ENUM ('test1','test2','test3'), +`col127` MEDIUMBLOB, +`col128` DOUBLE PRECISION, +`col129` REAL, +`col130` VARCHAR (159), +`col131` MEDIUMBLOB, +`col132` BIGINT, +`col133` INT, +`col134` SET ('test1','test2','test3'), +`col135` CHAR (198), +`col136` SET ('test1','test2','test3'), +`col137` MEDIUMTEXT, +`col138` SMALLINT, +`col139` BLOB, +`col140` LONGBLOB, +KEY `idx0` (`col14`(139),`col24`(208),`col38`,`col35`), +KEY `idx1` (`col48`,`col118`,`col29`(131),`col100`), +KEY `idx2` (`col86`,`col67`,`col43`(175)), +KEY `idx3` (`col19`), +KEY `idx4` (`col40`(220),`col67`), +KEY `idx5` (`col99`,`col56`), +KEY `idx6` (`col68`,`col28`,`col137`(157)), +KEY `idx7` (`col51`(160),`col99`,`col45`,`col39`(9)), +KEY `idx8` (`col15`,`col52`,`col90`,`col94`), +KEY `idx9` (`col24`(3),`col139`(248),`col108`(118),`col41`), +KEY `idx10` (`col36`,`col92`,`col114`), +KEY `idx11` (`col115`,`col9`(116)), +KEY `idx12` (`col130`,`col93`,`col134`), +KEY `idx13` (`col123`(65)), +KEY `idx14` (`col44`(90),`col86`,`col119`), +KEY `idx15` (`col69`), +KEY `idx16` (`col132`,`col81`(118),`col18`), +KEY `idx17` (`col24`(250),`col7`,`col92`,`col45`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 199 columns and 1 indexes +DROP TABLE IF EXISTS `table3`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table3` +(`col0` SMALLINT, +`col1` SET ('test1','test2','test3'), +`col2` TINYTEXT, +`col3` DOUBLE, +`col4` NUMERIC, +`col5` DATE, +`col6` BIGINT, +`col7` DOUBLE, +`col8` TEXT, +`col9` INT, +`col10` REAL, +`col11` TINYINT, +`col12` NUMERIC, +`col13` NUMERIC, +`col14` TIME, +`col15` DOUBLE, +`col16` REAL, +`col17` MEDIUMBLOB, +`col18` YEAR, +`col19` TINYTEXT, +`col20` YEAR, +`col21` CHAR (250), +`col22` TINYINT, +`col23` TINYINT, +`col24` SMALLINT, +`col25` DATETIME, +`col26` MEDIUMINT, +`col27` LONGBLOB, +`col28` VARCHAR (106), +`col29` FLOAT, +`col30` MEDIUMTEXT, +`col31` TINYBLOB, +`col32` BIGINT, +`col33` YEAR, +`col34` REAL, +`col35` MEDIUMBLOB, +`col36` LONGTEXT, +`col37` LONGBLOB, +`col38` BIGINT, +`col39` FLOAT, +`col40` TIME, +`col41` DATETIME, +`col42` BOOL, +`col43` BIGINT, +`col44` SMALLINT, +`col45` TIME, +`col46` DOUBLE PRECISION, +`col47` TIME, +`col48` TINYTEXT, +`col49` DOUBLE PRECISION, +`col50` BIGINT, +`col51` NUMERIC, +`col52` TINYBLOB, +`col53` DATE, +`col54` DECIMAL, +`col55` SMALLINT, +`col56` TINYTEXT, +`col57` ENUM ('test1','test2','test3'), +`col58` YEAR, +`col59` TIME, +`col60` TINYINT, +`col61` DECIMAL, +`col62` DOUBLE, +`col63` DATE, +`col64` LONGTEXT, +`col65` DOUBLE, +`col66` VARCHAR (88), +`col67` MEDIUMTEXT, +`col68` DATE, +`col69` MEDIUMINT, +`col70` DECIMAL, +`col71` MEDIUMTEXT, +`col72` LONGTEXT, +`col73` REAL, +`col74` DOUBLE, +`col75` TIME, +`col76` DATE, +`col77` DECIMAL, +`col78` MEDIUMBLOB, +`col79` NUMERIC, +`col80` BIGINT, +`col81` YEAR, +`col82` SMALLINT, +`col83` MEDIUMINT, +`col84` TINYINT, +`col85` MEDIUMBLOB, +`col86` TIME, +`col87` MEDIUMBLOB, +`col88` LONGTEXT, +`col89` BOOL, +`col90` BLOB, +`col91` LONGBLOB, +`col92` YEAR, +`col93` BLOB, +`col94` INT, +`col95` TINYTEXT, +`col96` TINYINT, +`col97` DECIMAL, +`col98` ENUM ('test1','test2','test3'), +`col99` MEDIUMINT, +`col100` TINYINT, +`col101` MEDIUMBLOB, +`col102` TINYINT, +`col103` SET ('test1','test2','test3'), +`col104` TIMESTAMP, +`col105` TEXT, +`col106` DATETIME, +`col107` MEDIUMTEXT, +`col108` CHAR (220), +`col109` TIME, +`col110` VARCHAR (131), +`col111` DECIMAL, +`col112` FLOAT, +`col113` SMALLINT, +`col114` BIGINT, +`col115` LONGBLOB, +`col116` SET ('test1','test2','test3'), +`col117` ENUM ('test1','test2','test3'), +`col118` BLOB, +`col119` MEDIUMTEXT, +`col120` SET ('test1','test2','test3'), +`col121` DATETIME, +`col122` FLOAT, +`col123` VARCHAR (242), +`col124` YEAR, +`col125` MEDIUMBLOB, +`col126` TIME, +`col127` BOOL, +`col128` TINYBLOB, +`col129` DOUBLE, +`col130` TINYINT, +`col131` BIGINT, +`col132` SMALLINT, +`col133` INT, +`col134` DOUBLE PRECISION, +`col135` MEDIUMBLOB, +`col136` SET ('test1','test2','test3'), +`col137` TINYTEXT, +`col138` DOUBLE PRECISION, +`col139` NUMERIC, +`col140` BLOB, +`col141` SET ('test1','test2','test3'), +`col142` INT, +`col143` VARCHAR (26), +`col144` BLOB, +`col145` REAL, +`col146` SET ('test1','test2','test3'), +`col147` LONGBLOB, +`col148` TEXT, +`col149` BLOB, +`col150` CHAR (189), +`col151` LONGTEXT, +`col152` INT, +`col153` FLOAT, +`col154` LONGTEXT, +`col155` DATE, +`col156` LONGBLOB, +`col157` TINYBLOB, +`col158` REAL, +`col159` DATE, +`col160` TIME, +`col161` YEAR, +`col162` DOUBLE, +`col163` VARCHAR (90), +`col164` FLOAT, +`col165` NUMERIC, +`col166` ENUM ('test1','test2','test3'), +`col167` DOUBLE PRECISION, +`col168` DOUBLE PRECISION, +`col169` TINYBLOB, +`col170` TIME, +`col171` SMALLINT, +`col172` TINYTEXT, +`col173` SMALLINT, +`col174` DOUBLE, +`col175` VARCHAR (14), +`col176` VARCHAR (90), +`col177` REAL, +`col178` MEDIUMINT, +`col179` TINYBLOB, +`col180` FLOAT, +`col181` TIMESTAMP, +`col182` REAL, +`col183` DOUBLE PRECISION, +`col184` BIGINT, +`col185` INT, +`col186` MEDIUMTEXT, +`col187` TIME, +`col188` FLOAT, +`col189` TIME, +`col190` INT, +`col191` FLOAT, +`col192` MEDIUMINT, +`col193` TINYINT, +`col194` MEDIUMTEXT, +`col195` DATE, +`col196` TIME, +`col197` YEAR, +`col198` CHAR (206), +KEY `idx0` (`col39`,`col23`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 133 columns and 16 indexes +DROP TABLE IF EXISTS `table4`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table4` +(`col0` VARCHAR (60), +`col1` NUMERIC, +`col2` LONGTEXT, +`col3` MEDIUMTEXT, +`col4` LONGTEXT, +`col5` LONGBLOB, +`col6` LONGBLOB, +`col7` DATETIME, +`col8` TINYTEXT, +`col9` BLOB, +`col10` BOOL, +`col11` BIGINT, +`col12` TEXT, +`col13` VARCHAR (213), +`col14` TINYBLOB, +`col15` BOOL, +`col16` MEDIUMTEXT, +`col17` DOUBLE, +`col18` TEXT, +`col19` BLOB, +`col20` SET ('test1','test2','test3'), +`col21` TINYINT, +`col22` DATETIME, +`col23` TINYINT, +`col24` ENUM ('test1','test2','test3'), +`col25` REAL, +`col26` BOOL, +`col27` FLOAT, +`col28` LONGBLOB, +`col29` DATETIME, +`col30` FLOAT, +`col31` SET ('test1','test2','test3'), +`col32` LONGBLOB, +`col33` NUMERIC, +`col34` YEAR, +`col35` VARCHAR (146), +`col36` BIGINT, +`col37` DATETIME, +`col38` DATE, +`col39` SET ('test1','test2','test3'), +`col40` CHAR (112), +`col41` FLOAT, +`col42` YEAR, +`col43` TIME, +`col44` DOUBLE, +`col45` NUMERIC, +`col46` FLOAT, +`col47` DECIMAL, +`col48` BIGINT, +`col49` DECIMAL, +`col50` YEAR, +`col51` MEDIUMTEXT, +`col52` LONGBLOB, +`col53` SET ('test1','test2','test3'), +`col54` BLOB, +`col55` FLOAT, +`col56` REAL, +`col57` REAL, +`col58` TEXT, +`col59` MEDIUMBLOB, +`col60` INT, +`col61` INT, +`col62` DATE, +`col63` TEXT, +`col64` DATE, +`col65` ENUM ('test1','test2','test3'), +`col66` DOUBLE PRECISION, +`col67` TINYTEXT, +`col68` TINYBLOB, +`col69` FLOAT, +`col70` BLOB, +`col71` DATETIME, +`col72` DOUBLE, +`col73` LONGTEXT, +`col74` TIME, +`col75` DATETIME, +`col76` VARCHAR (122), +`col77` MEDIUMTEXT, +`col78` MEDIUMTEXT, +`col79` BOOL, +`col80` LONGTEXT, +`col81` TINYTEXT, +`col82` NUMERIC, +`col83` DOUBLE PRECISION, +`col84` DATE, +`col85` YEAR, +`col86` BLOB, +`col87` TINYTEXT, +`col88` DOUBLE PRECISION, +`col89` MEDIUMINT, +`col90` MEDIUMTEXT, +`col91` NUMERIC, +`col92` DATETIME, +`col93` NUMERIC, +`col94` SET ('test1','test2','test3'), +`col95` TINYTEXT, +`col96` SET ('test1','test2','test3'), +`col97` YEAR, +`col98` MEDIUMINT, +`col99` TEXT, +`col100` TEXT, +`col101` TIME, +`col102` VARCHAR (225), +`col103` TINYTEXT, +`col104` TEXT, +`col105` MEDIUMTEXT, +`col106` TINYINT, +`col107` TEXT, +`col108` LONGBLOB, +`col109` LONGTEXT, +`col110` TINYTEXT, +`col111` CHAR (56), +`col112` YEAR, +`col113` ENUM ('test1','test2','test3'), +`col114` TINYBLOB, +`col115` DATETIME, +`col116` DATE, +`col117` TIME, +`col118` MEDIUMTEXT, +`col119` DOUBLE PRECISION, +`col120` FLOAT, +`col121` TIMESTAMP, +`col122` MEDIUMINT, +`col123` YEAR, +`col124` DATE, +`col125` TEXT, +`col126` FLOAT, +`col127` TINYTEXT, +`col128` BOOL, +`col129` NUMERIC, +`col130` TIMESTAMP, +`col131` INT, +`col132` MEDIUMBLOB, +KEY `idx0` (`col130`), +KEY `idx1` (`col30`,`col55`,`col19`(31)), +KEY `idx2` (`col104`(186)), +KEY `idx3` (`col131`), +KEY `idx4` (`col64`,`col93`,`col2`(11)), +KEY `idx5` (`col34`,`col121`,`col22`), +KEY `idx6` (`col33`,`col55`,`col83`), +KEY `idx7` (`col17`,`col87`(245),`col99`(17)), +KEY `idx8` (`col65`,`col120`), +KEY `idx9` (`col82`), +KEY `idx10` (`col9`(72)), +KEY `idx11` (`col88`), +KEY `idx12` (`col128`,`col9`(200),`col71`,`col66`), +KEY `idx13` (`col77`(126)), +KEY `idx14` (`col105`(26),`col13`,`col117`), +KEY `idx15` (`col4`(246),`col130`,`col115`,`col3`(141)) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 176 columns and 13 indexes +DROP TABLE IF EXISTS `table5`; +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table5` +(`col0` MEDIUMTEXT, +`col1` VARCHAR (90), +`col2` TINYTEXT, +`col3` TIME, +`col4` BOOL, +`col5` TINYTEXT, +`col6` BOOL, +`col7` TIMESTAMP, +`col8` TINYBLOB, +`col9` TINYINT, +`col10` YEAR, +`col11` SET ('test1','test2','test3'), +`col12` TEXT, +`col13` CHAR (248), +`col14` BIGINT, +`col15` TEXT, +`col16` TINYINT, +`col17` NUMERIC, +`col18` SET ('test1','test2','test3'), +`col19` LONGBLOB, +`col20` FLOAT, +`col21` INT, +`col22` TEXT, +`col23` BOOL, +`col24` DECIMAL, +`col25` DOUBLE PRECISION, +`col26` FLOAT, +`col27` TINYBLOB, +`col28` NUMERIC, +`col29` MEDIUMBLOB, +`col30` DATE, +`col31` LONGTEXT, +`col32` DATE, +`col33` FLOAT, +`col34` BIGINT, +`col35` TINYTEXT, +`col36` MEDIUMTEXT, +`col37` TIME, +`col38` INT, +`col39` TINYINT, +`col40` SET ('test1','test2','test3'), +`col41` CHAR (130), +`col42` SMALLINT, +`col43` INT, +`col44` MEDIUMTEXT, +`col45` VARCHAR (126), +`col46` INT, +`col47` DOUBLE PRECISION, +`col48` BIGINT, +`col49` MEDIUMTEXT, +`col50` TINYBLOB, +`col51` MEDIUMINT, +`col52` TEXT, +`col53` VARCHAR (208), +`col54` VARCHAR (207), +`col55` NUMERIC, +`col56` DATETIME, +`col57` ENUM ('test1','test2','test3'), +`col58` NUMERIC, +`col59` TINYBLOB, +`col60` VARCHAR (73), +`col61` MEDIUMTEXT, +`col62` TINYBLOB, +`col63` DATETIME, +`col64` NUMERIC, +`col65` MEDIUMINT, +`col66` DATETIME, +`col67` NUMERIC, +`col68` TINYINT, +`col69` VARCHAR (58), +`col70` DECIMAL, +`col71` MEDIUMTEXT, +`col72` DATE, +`col73` TIME, +`col74` DOUBLE PRECISION, +`col75` DECIMAL, +`col76` MEDIUMBLOB, +`col77` REAL, +`col78` YEAR, +`col79` YEAR, +`col80` LONGBLOB, +`col81` BLOB, +`col82` BIGINT, +`col83` ENUM ('test1','test2','test3'), +`col84` NUMERIC, +`col85` SET ('test1','test2','test3'), +`col86` MEDIUMTEXT, +`col87` LONGBLOB, +`col88` TIME, +`col89` ENUM ('test1','test2','test3'), +`col90` DECIMAL, +`col91` FLOAT, +`col92` DATETIME, +`col93` TINYTEXT, +`col94` TIMESTAMP, +`col95` TIMESTAMP, +`col96` TEXT, +`col97` REAL, +`col98` VARCHAR (198), +`col99` TIME, +`col100` TINYINT, +`col101` BIGINT, +`col102` LONGBLOB, +`col103` LONGBLOB, +`col104` MEDIUMINT, +`col105` MEDIUMTEXT, +`col106` TIMESTAMP, +`col107` SMALLINT, +`col108` NUMERIC, +`col109` DECIMAL, +`col110` FLOAT, +`col111` DECIMAL, +`col112` REAL, +`col113` TINYTEXT, +`col114` FLOAT, +`col115` VARCHAR (7), +`col116` LONGTEXT, +`col117` DATE, +`col118` BIGINT, +`col119` TEXT, +`col120` BIGINT, +`col121` BLOB, +`col122` CHAR (110), +`col123` NUMERIC, +`col124` MEDIUMBLOB, +`col125` NUMERIC, +`col126` NUMERIC, +`col127` BOOL, +`col128` TIME, +`col129` TINYBLOB, +`col130` TINYBLOB, +`col131` DATE, +`col132` INT, +`col133` VARCHAR (123), +`col134` CHAR (238), +`col135` VARCHAR (225), +`col136` LONGTEXT, +`col137` LONGBLOB, +`col138` REAL, +`col139` TINYBLOB, +`col140` DATETIME, +`col141` TINYTEXT, +`col142` LONGBLOB, +`col143` BIGINT, +`col144` VARCHAR (236), +`col145` TEXT, +`col146` YEAR, +`col147` DECIMAL, +`col148` TEXT, +`col149` MEDIUMBLOB, +`col150` TINYINT, +`col151` BOOL, +`col152` VARCHAR (72), +`col153` INT, +`col154` VARCHAR (165), +`col155` TINYINT, +`col156` MEDIUMTEXT, +`col157` DOUBLE PRECISION, +`col158` TIME, +`col159` MEDIUMBLOB, +`col160` LONGBLOB, +`col161` DATETIME, +`col162` DOUBLE PRECISION, +`col163` BLOB, +`col164` ENUM ('test1','test2','test3'), +`col165` TIMESTAMP, +`col166` DATE, +`col167` TINYBLOB, +`col168` TINYBLOB, +`col169` LONGBLOB, +`col170` DATETIME, +`col171` BIGINT, +`col172` VARCHAR (30), +`col173` LONGTEXT, +`col174` TIME, +`col175` FLOAT, +KEY `idx0` (`col16`,`col156`(139),`col97`,`col120`), +KEY `idx1` (`col24`,`col0`(108)), +KEY `idx2` (`col117`,`col173`(34),`col132`,`col82`), +KEY `idx3` (`col2`(86)), +KEY `idx4` (`col2`(43)), +KEY `idx5` (`col83`,`col35`(87),`col111`), +KEY `idx6` (`col6`,`col134`,`col92`), +KEY `idx7` (`col56`), +KEY `idx8` (`col30`,`col53`,`col129`(66)), +KEY `idx9` (`col53`,`col113`(211),`col32`,`col15`(75)), +KEY `idx10` (`col34`), +KEY `idx11` (`col126`), +KEY `idx12` (`col24`) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +# Creating a table with 179 columns and 46 indexes +DROP TABLE IF EXISTS `table6`; +-- error ER_TOO_BIG_ROWSIZE +--error ER_TOO_BIG_ROWSIZE +CREATE TABLE IF NOT EXISTS `table6` +(`col0` ENUM ('test1','test2','test3'), +`col1` MEDIUMBLOB, +`col2` MEDIUMBLOB, +`col3` DATETIME, +`col4` DATE, +`col5` YEAR, +`col6` REAL, +`col7` NUMERIC, +`col8` MEDIUMBLOB, +`col9` TEXT, +`col10` TIMESTAMP, +`col11` DOUBLE, +`col12` DOUBLE, +`col13` SMALLINT, +`col14` TIMESTAMP, +`col15` DECIMAL, +`col16` DATE, +`col17` TEXT, +`col18` LONGBLOB, +`col19` BIGINT, +`col20` FLOAT, +`col21` DATETIME, +`col22` TINYINT, +`col23` MEDIUMBLOB, +`col24` SET ('test1','test2','test3'), +`col25` TIME, +`col26` TEXT, +`col27` LONGTEXT, +`col28` BIGINT, +`col29` REAL, +`col30` YEAR, +`col31` MEDIUMBLOB, +`col32` MEDIUMINT, +`col33` FLOAT, +`col34` TEXT, +`col35` DATE, +`col36` TIMESTAMP, +`col37` REAL, +`col38` BLOB, +`col39` BLOB, +`col40` BLOB, +`col41` TINYBLOB, +`col42` INT, +`col43` TINYINT, +`col44` REAL, +`col45` BIGINT, +`col46` TIMESTAMP, +`col47` BLOB, +`col48` ENUM ('test1','test2','test3'), +`col49` BOOL, +`col50` CHAR (109), +`col51` DOUBLE, +`col52` DOUBLE PRECISION, +`col53` ENUM ('test1','test2','test3'), +`col54` FLOAT, +`col55` DOUBLE PRECISION, +`col56` CHAR (166), +`col57` TEXT, +`col58` TIME, +`col59` DECIMAL, +`col60` TEXT, +`col61` ENUM ('test1','test2','test3'), +`col62` LONGTEXT, +`col63` YEAR, +`col64` DOUBLE, +`col65` CHAR (87), +`col66` DATE, +`col67` BOOL, +`col68` MEDIUMBLOB, +`col69` DATETIME, +`col70` DECIMAL, +`col71` TIME, +`col72` REAL, +`col73` LONGTEXT, +`col74` BLOB, +`col75` REAL, +`col76` INT, +`col77` INT, +`col78` FLOAT, +`col79` DOUBLE, +`col80` MEDIUMINT, +`col81` ENUM ('test1','test2','test3'), +`col82` VARCHAR (221), +`col83` BIGINT, +`col84` TINYINT, +`col85` BIGINT, +`col86` FLOAT, +`col87` MEDIUMBLOB, +`col88` CHAR (126), +`col89` MEDIUMBLOB, +`col90` DATETIME, +`col91` TINYINT, +`col92` DOUBLE, +`col93` NUMERIC, +`col94` DATE, +`col95` BLOB, +`col96` DATETIME, +`col97` TIME, +`col98` LONGBLOB, +`col99` INT, +`col100` SET ('test1','test2','test3'), +`col101` TINYBLOB, +`col102` INT, +`col103` MEDIUMBLOB, +`col104` MEDIUMTEXT, +`col105` FLOAT, +`col106` TINYBLOB, +`col107` VARCHAR (26), +`col108` TINYINT, +`col109` TIME, +`col110` TINYBLOB, +`col111` LONGBLOB, +`col112` TINYTEXT, +`col113` FLOAT, +`col114` TINYINT, +`col115` NUMERIC, +`col116` TIME, +`col117` SET ('test1','test2','test3'), +`col118` DATE, +`col119` SMALLINT, +`col120` BLOB, +`col121` TINYTEXT, +`col122` REAL, +`col123` YEAR, +`col124` REAL, +`col125` BOOL, +`col126` BLOB, +`col127` REAL, +`col128` MEDIUMBLOB, +`col129` TIMESTAMP, +`col130` LONGBLOB, +`col131` MEDIUMBLOB, +`col132` YEAR, +`col133` YEAR, +`col134` INT, +`col135` MEDIUMINT, +`col136` MEDIUMINT, +`col137` TINYTEXT, +`col138` TINYBLOB, +`col139` BLOB, +`col140` SET ('test1','test2','test3'), +`col141` ENUM ('test1','test2','test3'), +`col142` ENUM ('test1','test2','test3'), +`col143` TINYTEXT, +`col144` DATETIME, +`col145` TEXT, +`col146` DOUBLE PRECISION, +`col147` DECIMAL, +`col148` MEDIUMTEXT, +`col149` TINYTEXT, +`col150` SET ('test1','test2','test3'), +`col151` MEDIUMTEXT, +`col152` CHAR (126), +`col153` DOUBLE, +`col154` CHAR (243), +`col155` SET ('test1','test2','test3'), +`col156` SET ('test1','test2','test3'), +`col157` DATETIME, +`col158` DOUBLE, +`col159` NUMERIC, +`col160` DECIMAL, +`col161` FLOAT, +`col162` LONGBLOB, +`col163` LONGTEXT, +`col164` INT, +`col165` TIME, +`col166` CHAR (27), +`col167` VARCHAR (63), +`col168` TEXT, +`col169` TINYBLOB, +`col170` TINYBLOB, +`col171` ENUM ('test1','test2','test3'), +`col172` INT, +`col173` TIME, +`col174` DECIMAL, +`col175` DOUBLE, +`col176` MEDIUMBLOB, +`col177` LONGBLOB, +`col178` CHAR (43), +KEY `idx0` (`col131`(219)), +KEY `idx1` (`col67`,`col122`,`col59`,`col87`(33)), +KEY `idx2` (`col83`,`col42`,`col57`(152)), +KEY `idx3` (`col106`(124)), +KEY `idx4` (`col173`,`col80`,`col165`,`col89`(78)), +KEY `idx5` (`col174`,`col145`(108),`col23`(228),`col141`), +KEY `idx6` (`col157`,`col140`), +KEY `idx7` (`col130`(188),`col15`), +KEY `idx8` (`col52`), +KEY `idx9` (`col144`), +KEY `idx10` (`col155`), +KEY `idx11` (`col62`(230),`col1`(109)), +KEY `idx12` (`col151`(24),`col95`(85)), +KEY `idx13` (`col114`), +KEY `idx14` (`col42`,`col98`(56),`col146`), +KEY `idx15` (`col147`,`col39`(254),`col35`), +KEY `idx16` (`col79`), +KEY `idx17` (`col65`), +KEY `idx18` (`col149`(165),`col168`(119),`col32`,`col117`), +KEY `idx19` (`col64`), +KEY `idx20` (`col93`), +KEY `idx21` (`col64`,`col113`,`col104`(182)), +KEY `idx22` (`col52`,`col111`(189)), +KEY `idx23` (`col45`), +KEY `idx24` (`col154`,`col107`,`col110`(159)), +KEY `idx25` (`col149`(1),`col87`(131)), +KEY `idx26` (`col58`,`col115`,`col63`), +KEY `idx27` (`col95`(9),`col0`,`col87`(113)), +KEY `idx28` (`col92`,`col130`(1)), +KEY `idx29` (`col151`(129),`col137`(254),`col13`), +KEY `idx30` (`col49`), +KEY `idx31` (`col28`), +KEY `idx32` (`col83`,`col146`), +KEY `idx33` (`col155`,`col90`,`col17`(245)), +KEY `idx34` (`col174`,`col169`(44),`col107`), +KEY `idx35` (`col113`), +KEY `idx36` (`col52`), +KEY `idx37` (`col16`,`col120`(190)), +KEY `idx38` (`col28`), +KEY `idx39` (`col131`(165)), +KEY `idx40` (`col135`,`col26`(86)), +KEY `idx41` (`col69`,`col94`), +KEY `idx42` (`col105`,`col151`(38),`col97`), +KEY `idx43` (`col88`), +KEY `idx44` (`col176`(100),`col42`,`col73`(189),`col94`), +KEY `idx45` (`col2`(27),`col27`(116)) +)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +DROP TABLE IF EXISTS table0; +DROP TABLE IF EXISTS table1; +DROP TABLE IF EXISTS table2; +DROP TABLE IF EXISTS table3; +DROP TABLE IF EXISTS table4; +DROP TABLE IF EXISTS table5; +DROP TABLE IF EXISTS table6; + +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/perfschema/mysql-test/innodb_bug36172.result b/perfschema/mysql-test/innodb_bug36172.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug36172.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug36172.test b/perfschema/mysql-test/innodb_bug36172.test new file mode 100644 index 00000000000..c6c4e6fae47 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug36172.test @@ -0,0 +1,32 @@ +# +# Test case for bug 36172 +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we do not really care about what gets printed, we are only +# interested in getting success or failure according to our +# expectations + +-- disable_query_log +-- disable_result_log + +let $file_format=`select @@innodb_file_format`; +let $file_format_check=`select @@innodb_file_format_check`; +let $file_per_table=`select @@innodb_file_per_table`; +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; + +DROP TABLE IF EXISTS `table0`; +CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2; +insert ignore into `table0` set `col23` = 7887371.5084383683, `col24` = 4293854615.6906948000, `col25` = 'vitalist', `col26` = 'widespread', `col27` = '3570490', `col28` = 'habitual', `col30` = -5471, `col31` = 4286985783.6771750000, `col32` = 6354540.9826654866, `col33` = 'defoliation', `col34` = 'logarithms', `col35` = 'tegument\'s', `col36` = 'scouting\'s', `col37` = 'intermittency', `col38` = 'elongates', `col39` = 'prophecies', `col40` = '20560103035939', `col41` = 4292809130.0544143000, `col42` = 22057, `col43` = 'Hess\'s', `col44` = 'bandstand', `col45` = 'phenylketonuria', `col46` = 6338767.4018677324, `col47` = 5310247, `col48` = '12592418', `col49` = 'churchman\'s', `col50` = '32226125', `col51` = -58, `col52` = -6207968, `col53` = 1244839.3255104220, `col54` = 'robotized', `col55` = 'monotonous', `col56` = -26909, `col58` = '20720107023550', `col59` = 'suggestiveness\'s', `col60` = 'gemology', `col61` = 4287800670.2229986000, `col62` = '1944', `col63` = -16827, `col64` = '20700107212324', `col65` = 'Nicolais', `col66` = 'apteryx', `col67` = 6935317, `col68` = 'stroganoff', `col70` = 3316430, `col71` = '3277608', `col72` = '19300511045918', `col73` = '20421201003327', `col74` = 'attenuant', `col75` = '15173', `col76` = 'upstroke\'s', `col77` = 8118987, `col78` = 6791516.2735374002, `col79` = '20780701144624', `col80` = '2134', `col81` = 4290682351.3127537000, `col82` = 'unexplainably', `col83` = 'Storm', `col84` = 'Greyso\'s', `col85` = 4289119212.4306774000, `col86` = 7617575.8796655172, `col87` = -6325335, `col88` = 'fondue\'s', `col89` = '40608940', `col90` = 1659421.8093508712, `col91` = 8346904.6584368423, `col92` = 'reloads', `col93` = '5188366'; +CHECK TABLE table0 EXTENDED; +INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; +CHECK TABLE table0 EXTENDED; +DROP TABLE table0; +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_format_check=$file_format_check; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/perfschema/mysql-test/innodb_bug38231.result b/perfschema/mysql-test/innodb_bug38231.result new file mode 100644 index 00000000000..2f909779755 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug38231.result @@ -0,0 +1,11 @@ +SET storage_engine=InnoDB; +INSERT INTO bug38231 VALUES (1), (10), (300); +SET autocommit=0; +SELECT * FROM bug38231 FOR UPDATE; +a +1 +10 +300 +TRUNCATE TABLE bug38231; +COMMIT; +DROP TABLE bug38231; diff --git a/perfschema/mysql-test/innodb_bug38231.test b/perfschema/mysql-test/innodb_bug38231.test new file mode 100644 index 00000000000..54f58844c42 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug38231.test @@ -0,0 +1,97 @@ +# +# Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK +# http://bugs.mysql.com/38231 +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not crash the server +-- disable_query_log +-- disable_result_log + +DROP TABLE IF EXISTS bug38231; +CREATE TABLE bug38231 (a INT); + +-- connect (con1,localhost,root,,) +-- connect (con2,localhost,root,,) +-- connect (con3,localhost,root,,) + +-- connection con1 +SET autocommit=0; +LOCK TABLE bug38231 WRITE; + +-- connection con2 +SET autocommit=0; +-- send +LOCK TABLE bug38231 WRITE; + +-- connection con3 +SET autocommit=0; +-- send +LOCK TABLE bug38231 WRITE; + +-- connection default +-- send +TRUNCATE TABLE bug38231; + +-- connection con1 +# Wait for TRUNCATE and the other two LOCKs to be executed; without this, +# sometimes UNLOCK executes before them. We assume there are no other +# sessions executing at the same time with the same SQL commands. +let $wait_condition = + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE info = 'TRUNCATE TABLE bug38231'; +-- source include/wait_condition.inc +let $wait_condition = + SELECT COUNT(*) = 2 FROM information_schema.processlist + WHERE info = 'LOCK TABLE bug38231 WRITE'; +-- source include/wait_condition.inc +# the above enables query log, re-disable it +-- disable_query_log + +# this crashes the server if the bug is present +UNLOCK TABLES; + +# clean up + +-- connection con2 +-- reap +UNLOCK TABLES; + +-- connection con3 +-- reap +UNLOCK TABLES; + +-- connection default +-- reap + +-- disconnect con1 +-- disconnect con2 +-- disconnect con3 + +# test that TRUNCATE works with with row-level locks + +-- enable_query_log +-- enable_result_log + +INSERT INTO bug38231 VALUES (1), (10), (300); + +-- connect (con4,localhost,root,,) + +-- connection con4 +SET autocommit=0; +SELECT * FROM bug38231 FOR UPDATE; + +-- connection default +TRUNCATE TABLE bug38231; + +-- connection con4 +COMMIT; + +-- connection default + +-- disconnect con4 + +DROP TABLE bug38231; diff --git a/perfschema/mysql-test/innodb_bug39438-master.opt b/perfschema/mysql-test/innodb_bug39438-master.opt new file mode 100644 index 00000000000..43fac202fd4 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug39438-master.opt @@ -0,0 +1 @@ +--innodb-file-per-table=1 diff --git a/perfschema/mysql-test/innodb_bug39438.result b/perfschema/mysql-test/innodb_bug39438.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug39438.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug39438.test b/perfschema/mysql-test/innodb_bug39438.test new file mode 100644 index 00000000000..52302871beb --- /dev/null +++ b/perfschema/mysql-test/innodb_bug39438.test @@ -0,0 +1,51 @@ +# +# Bug#39438 Testcase for Bug#39436 crashes on 5.1 in fil_space_get_latch +# http://bugs.mysql.com/39438 +# +# This test must be run with innodb_file_per_table=1 because the crash +# only occurs if that option is turned on and DISCARD TABLESPACE only +# works with innodb_file_per_table. +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we care only that the following SQL commands do not crash the server +-- disable_query_log +-- disable_result_log + +DROP TABLE IF EXISTS bug39438; + +CREATE TABLE bug39438 (id INT) ENGINE=INNODB; + +# remove: XXX Uncomment the following ALTER and remove those lines after +# remove: applying the patch. +# remove: Obviously this test is useless without this ALTER command, +# remove: but it causes warnings to be printed by mysqld and the whole +# remove: mysql-test suite fails at the end (returns non-zero). Please +# remove: apply this patch to the mysql source tree, remove those lines +# remove: and uncomment the following ALTER. We do not care about the +# remove: warnings, this test is to ensure mysqld does not crash. +# remove: === modified file 'mysql-test/lib/mtr_report.pl' +# remove: --- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000 +# remove: +++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000 +# remove: @@ -412,7 +412,10 @@ +# remove: +# remove: # When trying to set lower_case_table_names = 2 +# remove: # on a case sensitive file system. Bug#37402. +# remove: - /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ +# remove: + /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or +# remove: + +# remove: + # this test is expected to print warnings +# remove: + ($testname eq 'main.innodb_bug39438') +# remove: ) +# remove: { +# remove: next; # Skip these lines +# remove: +#ALTER TABLE bug39438 DISCARD TABLESPACE; + +# this crashes the server if the bug is present +SHOW TABLE STATUS; + +DROP TABLE bug39438; diff --git a/perfschema/mysql-test/innodb_bug40360.result b/perfschema/mysql-test/innodb_bug40360.result new file mode 100644 index 00000000000..ef4cf463903 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug40360.result @@ -0,0 +1,4 @@ +SET TX_ISOLATION='READ-COMMITTED'; +CREATE TABLE bug40360 (a INT) engine=innodb; +INSERT INTO bug40360 VALUES (1); +DROP TABLE bug40360; diff --git a/perfschema/mysql-test/innodb_bug40360.test b/perfschema/mysql-test/innodb_bug40360.test new file mode 100644 index 00000000000..e88837aab4f --- /dev/null +++ b/perfschema/mysql-test/innodb_bug40360.test @@ -0,0 +1,16 @@ +# +# Make sure http://bugs.mysql.com/40360 remains fixed. +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +SET TX_ISOLATION='READ-COMMITTED'; + +# This is the default since MySQL 5.1.29 SET BINLOG_FORMAT='STATEMENT'; + +CREATE TABLE bug40360 (a INT) engine=innodb; + +INSERT INTO bug40360 VALUES (1); + +DROP TABLE bug40360; diff --git a/perfschema/mysql-test/innodb_bug40565.result b/perfschema/mysql-test/innodb_bug40565.result new file mode 100644 index 00000000000..21e923d9336 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug40565.result @@ -0,0 +1,9 @@ +create table bug40565(value decimal(4,2)) engine=innodb; +insert into bug40565 values (1), (null); +update bug40565 set value=NULL; +affected rows: 1 +info: Rows matched: 2 Changed: 1 Warnings: 0 +update bug40565 set value=NULL; +affected rows: 0 +info: Rows matched: 2 Changed: 0 Warnings: 0 +drop table bug40565; diff --git a/perfschema/mysql-test/innodb_bug40565.test b/perfschema/mysql-test/innodb_bug40565.test new file mode 100644 index 00000000000..d7aa0fd514a --- /dev/null +++ b/perfschema/mysql-test/innodb_bug40565.test @@ -0,0 +1,10 @@ +# Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows" +-- source include/have_innodb.inc + +create table bug40565(value decimal(4,2)) engine=innodb; +insert into bug40565 values (1), (null); +--enable_info +update bug40565 set value=NULL; +update bug40565 set value=NULL; +--disable_info +drop table bug40565; diff --git a/perfschema/mysql-test/innodb_bug41904.result b/perfschema/mysql-test/innodb_bug41904.result new file mode 100644 index 00000000000..6070d32d181 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug41904.result @@ -0,0 +1,4 @@ +CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; +INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); +CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); +DROP TABLE bug41904; diff --git a/perfschema/mysql-test/innodb_bug41904.test b/perfschema/mysql-test/innodb_bug41904.test new file mode 100644 index 00000000000..365c5229adc --- /dev/null +++ b/perfschema/mysql-test/innodb_bug41904.test @@ -0,0 +1,14 @@ +# +# Make sure http://bugs.mysql.com/41904 remains fixed. +# + +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; + +INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); + +CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); + +DROP TABLE bug41904; diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt b/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt new file mode 100644 index 00000000000..455d66a06b8 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt @@ -0,0 +1 @@ +--loose_innodb_commit_concurrency=1 diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero.result b/perfschema/mysql-test/innodb_bug42101-nonzero.result new file mode 100644 index 00000000000..277dfffdd35 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug42101-nonzero.result @@ -0,0 +1,26 @@ +set global innodb_commit_concurrency=0; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +42 +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=0; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +1 diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero.test b/perfschema/mysql-test/innodb_bug42101-nonzero.test new file mode 100644 index 00000000000..685fdf20489 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug42101-nonzero.test @@ -0,0 +1,21 @@ +# +# Bug#42101 Race condition in innodb_commit_concurrency +# http://bugs.mysql.com/42101 +# + +-- source include/have_innodb.inc + +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; diff --git a/perfschema/mysql-test/innodb_bug42101.result b/perfschema/mysql-test/innodb_bug42101.result new file mode 100644 index 00000000000..805097ffe9d --- /dev/null +++ b/perfschema/mysql-test/innodb_bug42101.result @@ -0,0 +1,22 @@ +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=1; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=42; +ERROR HY000: Incorrect arguments to SET +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; +@@innodb_commit_concurrency +0 diff --git a/perfschema/mysql-test/innodb_bug42101.test b/perfschema/mysql-test/innodb_bug42101.test new file mode 100644 index 00000000000..b6536490d48 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug42101.test @@ -0,0 +1,19 @@ +# +# Bug#42101 Race condition in innodb_commit_concurrency +# http://bugs.mysql.com/42101 +# + +-- source include/have_innodb.inc + +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=1; +select @@innodb_commit_concurrency; +--error ER_WRONG_ARGUMENTS +set global innodb_commit_concurrency=42; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=0; +select @@innodb_commit_concurrency; +set global innodb_commit_concurrency=DEFAULT; +select @@innodb_commit_concurrency; diff --git a/perfschema/mysql-test/innodb_bug44032.result b/perfschema/mysql-test/innodb_bug44032.result new file mode 100644 index 00000000000..da2a000b06e --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44032.result @@ -0,0 +1,7 @@ +CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT +ENGINE=InnoDB; +INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); +UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; +UPDATE bug44032 SET c=NULL WHERE c='DDD'; +UPDATE bug44032 SET c='DDD' WHERE c IS NULL; +DROP TABLE bug44032; diff --git a/perfschema/mysql-test/innodb_bug44032.test b/perfschema/mysql-test/innodb_bug44032.test new file mode 100644 index 00000000000..a963cb8b68f --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44032.test @@ -0,0 +1,13 @@ +# Bug44032 no update-in-place of UTF-8 columns in ROW_FORMAT=REDUNDANT +# (btr_cur_update_in_place not invoked when updating from/to NULL; +# the update is performed by delete and insert instead) + +-- source include/have_innodb.inc + +CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT +ENGINE=InnoDB; +INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); +UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; +UPDATE bug44032 SET c=NULL WHERE c='DDD'; +UPDATE bug44032 SET c='DDD' WHERE c IS NULL; +DROP TABLE bug44032; diff --git a/perfschema/mysql-test/innodb_bug44369.result b/perfschema/mysql-test/innodb_bug44369.result new file mode 100644 index 00000000000..ff25c774aa2 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44369.result @@ -0,0 +1,6 @@ +create table bug44369 (DB_ROW_ID int) engine=innodb; +ERROR 42000: Incorrect column name 'DB_ROW_ID' +create table bug44369 (db_row_id int) engine=innodb; +ERROR 42000: Incorrect column name 'db_row_id' +create table bug44369 (db_TRX_Id int) engine=innodb; +ERROR 42000: Incorrect column name 'db_TRX_Id' diff --git a/perfschema/mysql-test/innodb_bug44369.test b/perfschema/mysql-test/innodb_bug44369.test new file mode 100644 index 00000000000..f5d85cd5815 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44369.test @@ -0,0 +1,17 @@ +# This is the test for bug 44369. We should +# block table creation with columns match +# some innodb internal reserved key words, +# both case sensitively and insensitely. + +--source include/have_innodb.inc + +# This create table operation should fail. +--error ER_WRONG_COLUMN_NAME +create table bug44369 (DB_ROW_ID int) engine=innodb; + +# This create should fail as well +--error ER_WRONG_COLUMN_NAME +create table bug44369 (db_row_id int) engine=innodb; + +--error ER_WRONG_COLUMN_NAME +create table bug44369 (db_TRX_Id int) engine=innodb; diff --git a/perfschema/mysql-test/innodb_bug44571.result b/perfschema/mysql-test/innodb_bug44571.result new file mode 100644 index 00000000000..7ee7820a02d --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44571.result @@ -0,0 +1,8 @@ +CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; +ALTER TABLE bug44571 CHANGE foo bar INT; +ALTER TABLE bug44571 ADD INDEX bug44571b (foo); +ERROR 42000: Key column 'foo' doesn't exist in table +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); +DROP TABLE bug44571; diff --git a/perfschema/mysql-test/innodb_bug44571.test b/perfschema/mysql-test/innodb_bug44571.test new file mode 100644 index 00000000000..91b6722d8af --- /dev/null +++ b/perfschema/mysql-test/innodb_bug44571.test @@ -0,0 +1,22 @@ +# +# Bug#44571 InnoDB Plugin crashes on ADD INDEX +# http://bugs.mysql.com/44571 +# Please also refer to related fix in +# http://bugs.mysql.com/47621 +# +-- source include/have_innodb.inc + +CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; +ALTER TABLE bug44571 CHANGE foo bar INT; +# Create index with the old column name will fail, +# because the CHANGE foo bar is successful. And +# the column name change would communicate to +# InnoDB with the fix from bug #47621 +-- error ER_KEY_COLUMN_DOES_NOT_EXITS +ALTER TABLE bug44571 ADD INDEX bug44571b (foo); +# The following create indexes should succeed, +# indirectly confirm the CHANGE foo bar is successful. +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); +DROP TABLE bug44571; diff --git a/perfschema/mysql-test/innodb_bug45357.result b/perfschema/mysql-test/innodb_bug45357.result new file mode 100644 index 00000000000..7adeff2062f --- /dev/null +++ b/perfschema/mysql-test/innodb_bug45357.result @@ -0,0 +1,7 @@ +set session transaction isolation level read committed; +create table bug45357(a int, b int,key(b))engine=innodb; +insert into bug45357 values (25170,6122); +update bug45357 set a=1 where b=30131; +delete from bug45357 where b < 20996; +delete from bug45357 where b < 7001; +drop table bug45357; diff --git a/perfschema/mysql-test/innodb_bug45357.test b/perfschema/mysql-test/innodb_bug45357.test new file mode 100644 index 00000000000..81727f352dd --- /dev/null +++ b/perfschema/mysql-test/innodb_bug45357.test @@ -0,0 +1,10 @@ +-- source include/have_innodb.inc + +set session transaction isolation level read committed; + +create table bug45357(a int, b int,key(b))engine=innodb; +insert into bug45357 values (25170,6122); +update bug45357 set a=1 where b=30131; +delete from bug45357 where b < 20996; +delete from bug45357 where b < 7001; +drop table bug45357; diff --git a/perfschema/mysql-test/innodb_bug46000.result b/perfschema/mysql-test/innodb_bug46000.result new file mode 100644 index 00000000000..c8e3db8d641 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug46000.result @@ -0,0 +1,19 @@ +create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' +create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' +show warnings; +Level Code Message +Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1280 Incorrect index name 'GEN_CLUST_INDEX' +Error 1005 Can't create table 'test.bug46000' (errno: -1) +create table bug46000(id int) engine=innodb; +create index GEN_CLUST_INDEX on bug46000(id); +ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' +show warnings; +Level Code Message +Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. +Error 1280 Incorrect index name 'GEN_CLUST_INDEX' +Error 1030 Got error -1 from storage engine +create index idx on bug46000(id); +drop table bug46000; diff --git a/perfschema/mysql-test/innodb_bug46000.test b/perfschema/mysql-test/innodb_bug46000.test new file mode 100644 index 00000000000..5a3c666326e --- /dev/null +++ b/perfschema/mysql-test/innodb_bug46000.test @@ -0,0 +1,32 @@ +# This is the test for bug 46000. We shall +# block any index creation with the name of +# "GEN_CLUST_INDEX", which is the reserved +# name for innodb default primary index. + +--source include/have_innodb.inc + +# This 'create table' operation should fail because of +# using the reserve name as its index name. +--error ER_WRONG_NAME_FOR_INDEX +create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; + +# Mixed upper/lower case of the reserved key words +--error ER_WRONG_NAME_FOR_INDEX +create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; + +show warnings; + +create table bug46000(id int) engine=innodb; + +# This 'create index' operation should fail. +--error ER_WRONG_NAME_FOR_INDEX +create index GEN_CLUST_INDEX on bug46000(id); + +show warnings; + +# This 'create index' operation should succeed, no +# temp table left from last failed create index +# operation. +create index idx on bug46000(id); + +drop table bug46000; diff --git a/perfschema/mysql-test/innodb_bug47621.result b/perfschema/mysql-test/innodb_bug47621.result new file mode 100644 index 00000000000..c5f56c09788 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47621.result @@ -0,0 +1,21 @@ +CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; +ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; +create index orgs on bug47621(sales_acct_id); +ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; +drop table bug47621; +CREATE TABLE bug47621_sale ( +salesperson INT, +PRIMARY KEY(salesperson)) engine = innodb; +CREATE TABLE bug47621_shirt( +id SMALLINT, +owner INT, +FOREIGN KEY(owner) +references bug47621_sale(salesperson) ON DELETE RESTRICT) +engine = innodb; +insert into bug47621_sale values(9); +insert into bug47621_shirt values(1, 9); +ALTER TABLE bug47621_shirt CHANGE id new_id INT; +drop table bug47621_shirt; +ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; +ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); +drop table bug47621_sale; diff --git a/perfschema/mysql-test/innodb_bug47621.test b/perfschema/mysql-test/innodb_bug47621.test new file mode 100644 index 00000000000..4863cc6bba1 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47621.test @@ -0,0 +1,57 @@ +# This is the test for bug #47621, column rename operation should +# not result in column definition inconsistency between MySQL and +# InnoDB + +--source include/have_innodb.inc + +CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; + +# Change the column name +ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; + +# If there is inconsistency of column name definition +# in MySQL or InnoDB, following create index would fail +create index orgs on bug47621(sales_acct_id); + +# Change the column name back with the index defined on it. +ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; + +drop table bug47621; + +CREATE TABLE bug47621_sale ( + salesperson INT, + PRIMARY KEY(salesperson)) engine = innodb; + +CREATE TABLE bug47621_shirt( + id SMALLINT, + owner INT, + FOREIGN KEY(owner) + references bug47621_sale(salesperson) ON DELETE RESTRICT) + engine = innodb; + +insert into bug47621_sale values(9); + +insert into bug47621_shirt values(1, 9); + +# Any rename operation on columns involved in a reference constraint will +# fail, as it will be rejected by InnoDB row_rename_table_for_mysql(). +# In above example, any rename on column "salesperson" for table +# "bug47621_sale", or on column "owner" for table "bug47621_shirt will +# be blocked. We do not put such rename in the test since InnoDB error +# message will be printed in the error log, and result in test failure. +# +# ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; + +# Any rename on columns not involved in the foreign key constraint +# could still proceed +ALTER TABLE bug47621_shirt CHANGE id new_id INT; + +# Referencing table dropped, the rename operation on related columns +# could proceed +drop table bug47621_shirt; + +ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; + +ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); + +drop table bug47621_sale; diff --git a/perfschema/mysql-test/innodb_bug47622.result b/perfschema/mysql-test/innodb_bug47622.result new file mode 100644 index 00000000000..f5d13711c52 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47622.result @@ -0,0 +1,23 @@ +CREATE TABLE bug47622( +`rule_key` int(11) NOT NULL DEFAULT '0', +`seq` smallint(6) NOT NULL DEFAULT '0', +`action` smallint(6) NOT NULL DEFAULT '0', +`arg_id` smallint(6) DEFAULT NULL, +`else_ind` TINYINT NOT NULL, +KEY IDX_A (`arg_id`) +) ENGINE=InnoDB; +ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); +drop index IDX_B on bug47622; +create index idx on bug47622(seq, arg_id); +ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); +drop table bug47622; +CREATE TABLE bug47622 ( +`a` int(11) NOT NULL, +`b` int(11) DEFAULT NULL, +`c` char(10) DEFAULT NULL, +`d` varchar(20) DEFAULT NULL, +PRIMARY KEY (`a`), +KEY `b` (`b`) +) ENGINE=InnoDB; +alter table bug47622 add unique index (c), add index (d); +drop table bug47622; diff --git a/perfschema/mysql-test/innodb_bug47622.test b/perfschema/mysql-test/innodb_bug47622.test new file mode 100644 index 00000000000..9cf9d0e531b --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47622.test @@ -0,0 +1,55 @@ +# This is the test for bug 47622. There could be index +# metadata sequence mismatch between MySQL and Innodb +# after creating index through FIC interfaces. +# We resolve the problem by sync the index sequence +# up when opening the table. + +--source include/have_innodb.inc + +connect (a,localhost,root,,); +connect (b,localhost,root,,); + +# Create a table with a non-unique index +CREATE TABLE bug47622( + `rule_key` int(11) NOT NULL DEFAULT '0', + `seq` smallint(6) NOT NULL DEFAULT '0', + `action` smallint(6) NOT NULL DEFAULT '0', + `arg_id` smallint(6) DEFAULT NULL, + `else_ind` TINYINT NOT NULL, + KEY IDX_A (`arg_id`) +) ENGINE=InnoDB; + +connection a; + +# A subsequent creating unique index should not trigger +# any error message. Unique index would be ranked ahead +# of regular index. +ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); + +drop index IDX_B on bug47622; + +# In another connection, create additional set of normal +# index and unique index. Again, unique index would be ranked +# ahead of regular index. +connection b; +create index idx on bug47622(seq, arg_id); + +ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); + +drop table bug47622; + +# Create a table with one Primary key and a non-unique key +CREATE TABLE bug47622 ( + `a` int(11) NOT NULL, + `b` int(11) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `d` varchar(20) DEFAULT NULL, + PRIMARY KEY (`a`), + KEY `b` (`b`) +) ENGINE=InnoDB; + +# Add two index with one unique and one non-unique. +# Index sequence is "PRIMARY", "c", "b" and "d" +alter table bug47622 add unique index (c), add index (d); + +drop table bug47622; diff --git a/perfschema/mysql-test/innodb_bug47777.result b/perfschema/mysql-test/innodb_bug47777.result new file mode 100644 index 00000000000..fbba47edcfc --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47777.result @@ -0,0 +1,13 @@ +create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; +insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +count(*) +1 +update bug47777 set c2=GeomFromText('POINT(1 1)'); +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +count(*) +0 +select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); +count(*) +1 +drop table bug47777; diff --git a/perfschema/mysql-test/innodb_bug47777.test b/perfschema/mysql-test/innodb_bug47777.test new file mode 100644 index 00000000000..8f2985b2cf0 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug47777.test @@ -0,0 +1,24 @@ +# This is the test for bug 47777. GEOMETRY +# data is treated as BLOB data in innodb. +# Consequently, its key value generation/storing +# should follow the process for the BLOB +# datatype as well. + +--source include/have_innodb.inc + +create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; + +insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); + +# Verify correct row get inserted. +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); + +# Update table bug47777 should be successful. +update bug47777 set c2=GeomFromText('POINT(1 1)'); + +# Verify the row get updated successfully. The original +# c2 value should be changed to GeomFromText('POINT(1 1)'). +select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); +select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); + +drop table bug47777; diff --git a/perfschema/mysql-test/innodb_bug51378.result b/perfschema/mysql-test/innodb_bug51378.result new file mode 100644 index 00000000000..a3ca73c16a9 --- /dev/null +++ b/perfschema/mysql-test/innodb_bug51378.result @@ -0,0 +1,66 @@ +create table bug51378 ( +col1 int not null, +col2 blob not null, +col3 time not null) engine = innodb; +create unique index idx on bug51378(col1, col2(31)); +alter table bug51378 add unique index idx2(col1, col2(31)); +create unique index idx3 on bug51378(col1, col3); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + UNIQUE KEY `idx3` (`col1`,`col3`), + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop index idx3 on bug51378; +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +alter table bug51378 add primary key idx3(col1, col2(31)); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + PRIMARY KEY (`col1`,`col2`(31)), + UNIQUE KEY `idx` (`col1`,`col2`(31)), + UNIQUE KEY `idx2` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; +create table bug51378 ( +col1 int not null, +col2 blob not null, +col3 time not null, primary key(col1, col2(31))) engine = innodb; +create unique index idx on bug51378(col1, col2(31)); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` blob NOT NULL, + `col3` time NOT NULL, + PRIMARY KEY (`col1`,`col2`(31)), + UNIQUE KEY `idx` (`col1`,`col2`(31)) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; +create table bug51378 ( +col1 int not null, +col2 int ) engine = innodb; +create unique index idx on bug51378(col1, col2); +SHOW CREATE TABLE bug51378; +Table Create Table +bug51378 CREATE TABLE `bug51378` ( + `col1` int(11) NOT NULL, + `col2` int(11) DEFAULT NULL, + UNIQUE KEY `idx` (`col1`,`col2`) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 +drop table bug51378; diff --git a/perfschema/mysql-test/innodb_bug51378.test b/perfschema/mysql-test/innodb_bug51378.test new file mode 100644 index 00000000000..8f7b0b9605a --- /dev/null +++ b/perfschema/mysql-test/innodb_bug51378.test @@ -0,0 +1,77 @@ +# This is the test for bug 51378. Unique index created +# through "create index" and "alter table add unique index" +# interfaces should not be treated as primary index if indexed +# columns contain one or more column prefix(es) (only prefix/part of +# the column is indexed) +# On the other hand, if there is a unique index covers all +# columns of a table, and they are non-null columns, and +# full length of the column are indexed, then this index +# will be created as primary index +# Following queries test various scenario, no mismatch +# error message should be printed. +--source include/have_innodb.inc + +# Create a table contains a BLOB column +create table bug51378 ( + col1 int not null, + col2 blob not null, + col3 time not null) engine = innodb; + +# Create following unique indexes on 'col1' and 'col2(31)' +# of the table, the index should not be treated as primary +# key because it indexes only first 31 bytes of col2. +# Thus it contains "column prefix", and will not be +# upgraded to primary index. +# There should not be mismatch message printed in the +# errorlog +create unique index idx on bug51378(col1, col2(31)); + +alter table bug51378 add unique index idx2(col1, col2(31)); + +# Unique index on 'col1' and 'col3' will be created as primary index, +# since the index does not contain column prefix +create unique index idx3 on bug51378(col1, col3); + +# Show create table would show idx3 created as unique index, internally, +# idx3 is treated as primary index both by MySQL and Innodb +SHOW CREATE TABLE bug51378; + +# "GEN_CLUST_INDEX" will be re-created as default primary index +# after idx3 is dropped +drop index idx3 on bug51378; + +SHOW CREATE TABLE bug51378; + +# Or we can add the primary key through alter table interfaces +alter table bug51378 add primary key idx3(col1, col2(31)); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; + +# Or we can create such primary key through create table interfaces +create table bug51378 ( + col1 int not null, + col2 blob not null, + col3 time not null, primary key(col1, col2(31))) engine = innodb; + +# Unique index on one or more column prefix(es) will be created +# as non-cluster index +create unique index idx on bug51378(col1, col2(31)); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; + +# If a table has a NULLABLE column, unique index on it will not +# be treated as primary index. +create table bug51378 ( + col1 int not null, + col2 int ) engine = innodb; + +# This will be created as non-cluster index since col2 is nullable +create unique index idx on bug51378(col1, col2); + +SHOW CREATE TABLE bug51378; + +drop table bug51378; diff --git a/perfschema/mysql-test/innodb_file_format.result b/perfschema/mysql-test/innodb_file_format.result new file mode 100644 index 00000000000..86d60706084 --- /dev/null +++ b/perfschema/mysql-test/innodb_file_format.result @@ -0,0 +1,43 @@ +select @@innodb_file_format; +@@innodb_file_format +Antelope +select @@innodb_file_format_check; +@@innodb_file_format_check +Antelope +set global innodb_file_format=antelope; +set global innodb_file_format=barracuda; +set global innodb_file_format=cheetah; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format; +@@innodb_file_format +Barracuda +set global innodb_file_format=default; +select @@innodb_file_format; +@@innodb_file_format +Antelope +set global innodb_file_format=on; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=off; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format; +@@innodb_file_format +Antelope +set global innodb_file_format_check=antelope; +set global innodb_file_format_check=barracuda; +set global innodb_file_format_check=cheetah; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=default; +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format=on; +ERROR HY000: Incorrect arguments to SET +set global innodb_file_format=off; +ERROR HY000: Incorrect arguments to SET +select @@innodb_file_format_check; +@@innodb_file_format_check +Barracuda +set global innodb_file_format_check=antelope; diff --git a/perfschema/mysql-test/innodb_file_format.test b/perfschema/mysql-test/innodb_file_format.test new file mode 100644 index 00000000000..d63c9b0228f --- /dev/null +++ b/perfschema/mysql-test/innodb_file_format.test @@ -0,0 +1,29 @@ +-- source include/have_innodb.inc + +select @@innodb_file_format; +select @@innodb_file_format_check; +set global innodb_file_format=antelope; +set global innodb_file_format=barracuda; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=cheetah; +select @@innodb_file_format; +set global innodb_file_format=default; +select @@innodb_file_format; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=on; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=off; +select @@innodb_file_format; +set global innodb_file_format_check=antelope; +set global innodb_file_format_check=barracuda; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format_check=cheetah; +select @@innodb_file_format_check; +set global innodb_file_format_check=default; +select @@innodb_file_format_check; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=on; +--error ER_WRONG_ARGUMENTS +set global innodb_file_format=off; +select @@innodb_file_format_check; +set global innodb_file_format_check=antelope; diff --git a/perfschema/mysql-test/innodb_information_schema.result b/perfschema/mysql-test/innodb_information_schema.result new file mode 100644 index 00000000000..396cae579ce --- /dev/null +++ b/perfschema/mysql-test/innodb_information_schema.result @@ -0,0 +1,23 @@ +lock_mode lock_type lock_table lock_index lock_rec lock_data +X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' +X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' +X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' +X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' +X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' +X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' +X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' +X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' +X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 +X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 +X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 +X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 +X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record +X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record +lock_table COUNT(*) +`test`.`t_max` 2 +`test`.`t_min` 2 +`test`.```t'\"_str` 10 +lock_table COUNT(*) +"test"."t_max" 2 +"test"."t_min" 2 +"test"."`t'\""_str" 10 diff --git a/perfschema/mysql-test/innodb_information_schema.test b/perfschema/mysql-test/innodb_information_schema.test new file mode 100644 index 00000000000..fc1d38d8d14 --- /dev/null +++ b/perfschema/mysql-test/innodb_information_schema.test @@ -0,0 +1,149 @@ +# +# Test that user data is correctly "visualized" in +# INFORMATION_SCHEMA.innodb_locks.lock_data +# + +-- source include/have_innodb.inc + +-- disable_query_log +-- disable_result_log + +SET storage_engine=InnoDB; + +-- disable_warnings +DROP TABLE IF EXISTS t_min, t_max; +-- enable_warnings + +let $table_def = +( + c01 TINYINT, + c02 TINYINT UNSIGNED, + c03 SMALLINT, + c04 SMALLINT UNSIGNED, + c05 MEDIUMINT, + c06 MEDIUMINT UNSIGNED, + c07 INT, + c08 INT UNSIGNED, + c09 BIGINT, + c10 BIGINT UNSIGNED, + PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10) +); + +-- eval CREATE TABLE t_min $table_def; +INSERT INTO t_min VALUES +(-128, 0, + -32768, 0, + -8388608, 0, + -2147483648, 0, + -9223372036854775808, 0); + +-- eval CREATE TABLE t_max $table_def; +INSERT INTO t_max VALUES +(127, 255, + 32767, 65535, + 8388607, 16777215, + 2147483647, 4294967295, + 9223372036854775807, 18446744073709551615); + +CREATE TABLE ```t'\"_str` ( + c1 VARCHAR(32), + c2 VARCHAR(32), + c3 VARCHAR(32), + c4 VARCHAR(32), + c5 VARCHAR(32), + c6 VARCHAR(32), + c7 VARCHAR(32), + PRIMARY KEY(c1, c2, c3, c4, c5, c6, c7) +); +INSERT INTO ```t'\"_str` VALUES +('1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''); +INSERT INTO ```t'\"_str` VALUES +('2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'); +INSERT INTO ```t'\"_str` VALUES +('3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'); +INSERT INTO ```t'\"_str` VALUES +('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000); + +-- connect (con_lock,localhost,root,,) +-- connect (con_min_trylock,localhost,root,,) +-- connect (con_max_trylock,localhost,root,,) +-- connect (con_str_insert_supremum,localhost,root,,) +-- connect (con_str_lock_row1,localhost,root,,) +-- connect (con_str_lock_row2,localhost,root,,) +-- connect (con_str_lock_row3,localhost,root,,) +-- connect (con_str_lock_row4,localhost,root,,) +-- connect (con_verify_innodb_locks,localhost,root,,) + +-- connection con_lock +SET autocommit=0; +SELECT * FROM t_min FOR UPDATE; +SELECT * FROM t_max FOR UPDATE; +SELECT * FROM ```t'\"_str` FOR UPDATE; + +-- connection con_min_trylock +-- send +SELECT * FROM t_min FOR UPDATE; + +-- connection con_max_trylock +-- send +SELECT * FROM t_max FOR UPDATE; + +-- connection con_str_insert_supremum +-- send +INSERT INTO ```t'\"_str` VALUES +('z', 'z', 'z', 'z', 'z', 'z', 'z'); + +-- connection con_str_lock_row1 +-- send +SELECT * FROM ```t'\"_str` WHERE c1 = '1' FOR UPDATE; + +-- connection con_str_lock_row2 +-- send +SELECT * FROM ```t'\"_str` WHERE c1 = '2' FOR UPDATE; + +-- connection con_str_lock_row3 +-- send +SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE; + +-- connection con_str_lock_row4 +-- send +SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE; + +-- enable_result_log +-- connection con_verify_innodb_locks +# Wait for the above queries to execute before continuing. +# Without this, it sometimes happens that the SELECT from innodb_locks +# executes before some of them, resulting in less than expected number +# of rows being selected from innodb_locks. If there is a bug and there +# are no 14 rows in innodb_locks then this test will fail with timeout. +let $count = 14; +let $table = INFORMATION_SCHEMA.INNODB_LOCKS; +-- source include/wait_until_rows_count.inc +# the above enables the query log, re-disable it +-- disable_query_log +SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data +FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data; + +SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS +GROUP BY lock_table; + +set @save_sql_mode = @@sql_mode; +SET SQL_MODE='ANSI_QUOTES'; +SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS +GROUP BY lock_table; +SET @@sql_mode=@save_sql_mode; +-- disable_result_log + +-- connection default + +-- disconnect con_lock +-- disconnect con_min_trylock +-- disconnect con_max_trylock +-- disconnect con_str_insert_supremum +-- disconnect con_str_lock_row1 +-- disconnect con_str_lock_row2 +-- disconnect con_str_lock_row3 +-- disconnect con_str_lock_row4 +-- disconnect con_verify_innodb_locks + +DROP TABLE t_min, t_max, ```t'\"_str`; diff --git a/perfschema/mysql-test/innodb_trx_weight.inc b/perfschema/mysql-test/innodb_trx_weight.inc new file mode 100644 index 00000000000..56d3d47da36 --- /dev/null +++ b/perfschema/mysql-test/innodb_trx_weight.inc @@ -0,0 +1,51 @@ +-- connect (con1,localhost,root,,) +-- connect (con2,localhost,root,,) + +-- connection con1 +SET autocommit=0; +SELECT * FROM t1 FOR UPDATE; +-- if ($con1_extra_sql_present) { + -- eval $con1_extra_sql +-- } + +-- connection con2 +SET autocommit=0; +SELECT * FROM t2 FOR UPDATE; +-- if ($con2_extra_sql_present) { + -- eval $con2_extra_sql +-- } + +-- if ($con1_should_be_rolledback) { + -- connection con1 + -- send + INSERT INTO t2 VALUES (0); + + -- connection con2 + INSERT INTO t1 VALUES (0); + ROLLBACK; + + -- connection con1 + -- error ER_LOCK_DEADLOCK + -- reap +-- } +# else +-- if (!$con1_should_be_rolledback) { + -- connection con2 + -- send + INSERT INTO t1 VALUES (0); + + -- connection con1 + INSERT INTO t2 VALUES (0); + ROLLBACK; + + -- connection con2 + -- error ER_LOCK_DEADLOCK + -- reap +-- } + +-- connection default + +DELETE FROM t5_nontrans; + +-- disconnect con1 +-- disconnect con2 diff --git a/perfschema/mysql-test/innodb_trx_weight.result b/perfschema/mysql-test/innodb_trx_weight.result new file mode 100644 index 00000000000..195775f74c8 --- /dev/null +++ b/perfschema/mysql-test/innodb_trx_weight.result @@ -0,0 +1 @@ +SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_trx_weight.test b/perfschema/mysql-test/innodb_trx_weight.test new file mode 100644 index 00000000000..b72eaad345f --- /dev/null +++ b/perfschema/mysql-test/innodb_trx_weight.test @@ -0,0 +1,108 @@ +# +# Ensure that the number of locks (SELECT FOR UPDATE for example) is +# added to the number of altered rows when choosing the smallest +# transaction to kill as a victim when a deadlock is detected. +# Also transactions what had edited non-transactional tables should +# be heavier than ones that had not. +# + +-- source include/have_innodb.inc + +SET storage_engine=InnoDB; + +# we do not really care about what gets printed, we are only +# interested in getting the deadlock resolved according to our +# expectations +-- disable_query_log +-- disable_result_log + +# we want to use "-- eval statement1; statement2" which does not work with +# prepared statements. Because this test should not behave differently with +# or without prepared statements we disable them so the test does not fail +# if someone runs ./mysql-test-run.pl --ps-protocol +-- disable_ps_protocol + +-- disable_warnings +DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans; +-- enable_warnings + +# we will create a simple deadlock with t1, t2 and two connections +CREATE TABLE t1 (a INT); +CREATE TABLE t2 (a INT); + +# auxiliary table with a bulk of rows which will be locked by a +# transaction to increase its weight +CREATE TABLE t3 (a INT); + +# auxiliary empty table which will be inserted by a +# transaction to increase its weight +CREATE TABLE t4 (a INT); + +# auxiliary non-transactional table which will be edited by a +# transaction to tremendously increase its weight +CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM; + +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1); +# insert a lot of rows in t3 +INSERT INTO t3 VALUES (1); +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; +INSERT INTO t3 SELECT * FROM t3; + +# test locking weight + +-- let $con1_extra_sql = +-- let $con1_extra_sql_present = 0 +-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE +-- let $con2_extra_sql_present = 1 +-- let $con1_should_be_rolledback = 1 +-- source include/innodb_trx_weight.inc + +-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1) +-- let $con1_extra_sql_present = 1 +-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE +-- let $con2_extra_sql_present = 1 +-- let $con1_should_be_rolledback = 1 +-- source include/innodb_trx_weight.inc + +-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1) +-- let $con1_extra_sql_present = 1 +-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE +-- let $con2_extra_sql_present = 1 +-- let $con1_should_be_rolledback = 0 +-- source include/innodb_trx_weight.inc + +# test weight when non-transactional tables are edited + +-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) +-- let $con1_extra_sql_present = 1 +-- let $con2_extra_sql = +-- let $con2_extra_sql_present = 0 +-- let $con1_should_be_rolledback = 0 +-- source include/innodb_trx_weight.inc + +-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) +-- let $con1_extra_sql_present = 1 +-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) +-- let $con2_extra_sql_present = 1 +-- let $con1_should_be_rolledback = 1 +-- source include/innodb_trx_weight.inc + +-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) +-- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1) +-- let $con1_extra_sql_present = 1 +-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) +-- let $con2_extra_sql_present = 1 +-- let $con1_should_be_rolledback = 0 +-- source include/innodb_trx_weight.inc + +DROP TABLE t1, t2, t3, t4, t5_nontrans; diff --git a/perfschema/mysql-test/patches/README b/perfschema/mysql-test/patches/README new file mode 100644 index 00000000000..122d756e9e3 --- /dev/null +++ b/perfschema/mysql-test/patches/README @@ -0,0 +1,30 @@ +This directory contains patches that need to be applied to the MySQL +source tree in order to get the mysql-test suite to succeed (when +storage/innobase is replaced with this InnoDB branch). Things to keep +in mind when adding new patches here: + +* The patch must be appliable from the mysql top-level source directory. + +* The patch filename must end in ".diff". + +* All patches here are expected to apply cleanly to the latest MySQL 5.1 + tree when storage/innobase is replaced with this InnoDB branch. If + changes to either of those cause the patch to fail, then please check + whether the patch is still needed and, if yes, adjust it so it applies + cleanly. + +* If applicable, always submit the patch at http://bugs.mysql.com and + name the file here like bug%d.diff. Once the patch is committed to + MySQL remove the file from here. + +* If the patch cannot be proposed for inclusion in the MySQL source tree + (via http://bugs.mysql.com) then add a comment at the beginning of the + patch, explaining the problem it is solving, how it does solve it and + why it is not applicable for inclusion in the MySQL source tree. + Obviously this is a very bad situation and should be avoided at all + costs, especially for files that are in the MySQL source repository + (not in storage/innobase). + +* If you ever need to add a patch here that is not related to mysql-test + suite, then please move this directory from ./mysql-test/patches to + ./patches and remove this text. diff --git a/perfschema/mysql-test/patches/index_merge_innodb-explain.diff b/perfschema/mysql-test/patches/index_merge_innodb-explain.diff new file mode 100644 index 00000000000..d1ed8afc778 --- /dev/null +++ b/perfschema/mysql-test/patches/index_merge_innodb-explain.diff @@ -0,0 +1,31 @@ +InnoDB's estimate for the index cardinality depends on a pseudo random +number generator (it picks up random pages to sample). After an +optimization that was made in r2625 the following EXPLAINs started +returning a different number of rows (3 instead of 4). + +This patch adjusts the result file. + +This patch cannot be proposed to MySQL because the failures occur only +in this tree and do not occur in the standard InnoDB 5.1. Furthermore, +the file index_merge2.inc is used by other engines too. + +--- mysql-test/r/index_merge_innodb.result.orig 2008-09-30 18:32:13.000000000 +0300 ++++ mysql-test/r/index_merge_innodb.result 2008-09-30 18:33:01.000000000 +0300 +@@ -111,7 +111,7 @@ + explain select count(*) from t1 where + key1a = 2 and key1b is null and key2a = 2 and key2b is null; + id select_type table type possible_keys key key_len ref rows Extra +-1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 4 Using intersect(i1,i2); Using where; Using index ++1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 3 Using intersect(i1,i2); Using where; Using index + select count(*) from t1 where + key1a = 2 and key1b is null and key2a = 2 and key2b is null; + count(*) +@@ -119,7 +119,7 @@ + explain select count(*) from t1 where + key1a = 2 and key1b is null and key3a = 2 and key3b is null; + id select_type table type possible_keys key key_len ref rows Extra +-1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 4 Using intersect(i1,i3); Using where; Using index ++1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 3 Using intersect(i1,i3); Using where; Using index + select count(*) from t1 where + key1a = 2 and key1b is null and key3a = 2 and key3b is null; + count(*) diff --git a/perfschema/mysql-test/patches/information_schema.diff b/perfschema/mysql-test/patches/information_schema.diff new file mode 100644 index 00000000000..a3a21f7a08d --- /dev/null +++ b/perfschema/mysql-test/patches/information_schema.diff @@ -0,0 +1,124 @@ +--- mysql-test/r/information_schema.result.orig 2009-01-31 03:38:50.000000000 +0200 ++++ mysql-test/r/information_schema.result 2009-01-31 07:51:58.000000000 +0200 +@@ -71,6 +71,13 @@ + TRIGGERS + USER_PRIVILEGES + VIEWS ++INNODB_CMP_RESET ++INNODB_TRX ++INNODB_CMPMEM_RESET ++INNODB_LOCK_WAITS ++INNODB_CMPMEM ++INNODB_CMP ++INNODB_LOCKS + columns_priv + db + event +@@ -799,6 +806,8 @@ + TABLES UPDATE_TIME datetime + TABLES CHECK_TIME datetime + TRIGGERS CREATED datetime ++INNODB_TRX trx_started datetime ++INNODB_TRX trx_wait_started datetime + event execute_at datetime + event last_executed datetime + event starts datetime +@@ -852,7 +861,7 @@ + flush privileges; + SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA; + table_schema count(*) +-information_schema 28 ++information_schema 35 + mysql 22 + create table t1 (i int, j int); + create trigger trg1 before insert on t1 for each row +@@ -1267,6 +1276,13 @@ + TRIGGERS TRIGGER_SCHEMA + USER_PRIVILEGES GRANTEE + VIEWS TABLE_SCHEMA ++INNODB_CMP_RESET page_size ++INNODB_TRX trx_id ++INNODB_CMPMEM_RESET page_size ++INNODB_LOCK_WAITS requesting_trx_id ++INNODB_CMPMEM page_size ++INNODB_CMP page_size ++INNODB_LOCKS lock_id + SELECT t.table_name, c1.column_name + FROM information_schema.tables t + INNER JOIN +@@ -1310,6 +1326,13 @@ + TRIGGERS TRIGGER_SCHEMA + USER_PRIVILEGES GRANTEE + VIEWS TABLE_SCHEMA ++INNODB_CMP_RESET page_size ++INNODB_TRX trx_id ++INNODB_CMPMEM_RESET page_size ++INNODB_LOCK_WAITS requesting_trx_id ++INNODB_CMPMEM page_size ++INNODB_CMP page_size ++INNODB_LOCKS lock_id + SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test'); + MAX(table_name) + VIEWS +@@ -1386,6 +1409,13 @@ + FILES information_schema.FILES 1 + GLOBAL_STATUS information_schema.GLOBAL_STATUS 1 + GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1 ++INNODB_CMP information_schema.INNODB_CMP 1 ++INNODB_CMPMEM information_schema.INNODB_CMPMEM 1 ++INNODB_CMPMEM_RESET information_schema.INNODB_CMPMEM_RESET 1 ++INNODB_CMP_RESET information_schema.INNODB_CMP_RESET 1 ++INNODB_LOCKS information_schema.INNODB_LOCKS 1 ++INNODB_LOCK_WAITS information_schema.INNODB_LOCK_WAITS 1 ++INNODB_TRX information_schema.INNODB_TRX 1 + KEY_COLUMN_USAGE information_schema.KEY_COLUMN_USAGE 1 + PARTITIONS information_schema.PARTITIONS 1 + PLUGINS information_schema.PLUGINS 1 +diff mysql-test/r/information_schema_db.result.orig mysql-test/r/information_schema_db.result +--- mysql-test/r/information_schema_db.result.orig 2008-08-04 09:27:49.000000000 +0300 ++++ mysql-test/r/information_schema_db.result 2008-10-07 12:26:31.000000000 +0300 +@@ -33,6 +33,13 @@ + TRIGGERS + USER_PRIVILEGES + VIEWS ++INNODB_CMP_RESET ++INNODB_TRX ++INNODB_CMPMEM_RESET ++INNODB_LOCK_WAITS ++INNODB_CMPMEM ++INNODB_CMP ++INNODB_LOCKS + show tables from INFORMATION_SCHEMA like 'T%'; + Tables_in_information_schema (T%) + TABLES +diff mysql-test/r/mysqlshow.result.orig mysql-test/r/mysqlshow.result +--- mysql-test/r/mysqlshow.result.orig 2008-08-04 09:27:51.000000000 +0300 ++++ mysql-test/r/mysqlshow.result 2008-10-07 12:35:39.000000000 +0300 +@@ -107,6 +107,13 @@ + | TRIGGERS | + | USER_PRIVILEGES | + | VIEWS | ++| INNODB_CMP_RESET | ++| INNODB_TRX | ++| INNODB_CMPMEM_RESET | ++| INNODB_LOCK_WAITS | ++| INNODB_CMPMEM | ++| INNODB_CMP | ++| INNODB_LOCKS | + +---------------------------------------+ + Database: INFORMATION_SCHEMA + +---------------------------------------+ +@@ -140,6 +147,13 @@ + | TRIGGERS | + | USER_PRIVILEGES | + | VIEWS | ++| INNODB_CMP_RESET | ++| INNODB_TRX | ++| INNODB_CMPMEM_RESET | ++| INNODB_LOCK_WAITS | ++| INNODB_CMPMEM | ++| INNODB_CMP | ++| INNODB_LOCKS | + +---------------------------------------+ + Wildcard: inf_rmation_schema + +--------------------+ diff --git a/perfschema/mysql-test/patches/innodb_file_per_table.diff b/perfschema/mysql-test/patches/innodb_file_per_table.diff new file mode 100644 index 00000000000..8b7ae2036c9 --- /dev/null +++ b/perfschema/mysql-test/patches/innodb_file_per_table.diff @@ -0,0 +1,47 @@ +diff mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test +--- mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig 2008-10-07 11:32:30.000000000 +0300 ++++ mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test 2008-10-07 11:52:14.000000000 +0300 +@@ -37,10 +37,6 @@ + # Check if Value can set # + #################################################################### + +---error ER_INCORRECT_GLOBAL_LOCAL_VAR +-SET @@GLOBAL.innodb_file_per_table=1; +---echo Expected error 'Read only variable' +- + SELECT COUNT(@@GLOBAL.innodb_file_per_table); + --echo 1 Expected + +@@ -52,7 +48,7 @@ + # Check if the value in GLOBAL Table matches value in variable # + ################################################################# + +-SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_file_per_table'; + --echo 1 Expected +diff mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result +--- mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig 2008-10-07 11:32:02.000000000 +0300 ++++ mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result 2008-10-07 11:52:47.000000000 +0300 +@@ -4,18 +4,15 @@ + 1 + 1 Expected + '#---------------------BS_STVARS_028_02----------------------#' +-SET @@GLOBAL.innodb_file_per_table=1; +-ERROR HY000: Variable 'innodb_file_per_table' is a read only variable +-Expected error 'Read only variable' + SELECT COUNT(@@GLOBAL.innodb_file_per_table); + COUNT(@@GLOBAL.innodb_file_per_table) + 1 + 1 Expected + '#---------------------BS_STVARS_028_03----------------------#' +-SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_file_per_table'; +-@@GLOBAL.innodb_file_per_table = VARIABLE_VALUE ++IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE + 1 + 1 Expected + SELECT COUNT(@@GLOBAL.innodb_file_per_table); diff --git a/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff b/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff new file mode 100644 index 00000000000..bc61a0f5841 --- /dev/null +++ b/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff @@ -0,0 +1,55 @@ +--- mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test.orig 2008-08-04 09:28:16.000000000 +0300 ++++ mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test 2008-10-07 11:14:15.000000000 +0300 +@@ -37,10 +37,6 @@ + # Check if Value can set # + #################################################################### + +---error ER_INCORRECT_GLOBAL_LOCAL_VAR +-SET @@GLOBAL.innodb_lock_wait_timeout=1; +---echo Expected error 'Read only variable' +- + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + --echo 1 Expected + +@@ -84,13 +80,9 @@ + SELECT COUNT(@@innodb_lock_wait_timeout); + --echo 1 Expected + +---Error ER_INCORRECT_GLOBAL_LOCAL_VAR + SELECT COUNT(@@local.innodb_lock_wait_timeout); +---echo Expected error 'Variable is a GLOBAL variable' + +---Error ER_INCORRECT_GLOBAL_LOCAL_VAR + SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); +---echo Expected error 'Variable is a GLOBAL variable' + + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + --echo 1 Expected +--- mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result.orig 2008-08-04 09:27:50.000000000 +0300 ++++ mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result 2008-10-07 11:15:14.000000000 +0300 +@@ -4,9 +4,6 @@ + 1 + 1 Expected + '#---------------------BS_STVARS_032_02----------------------#' +-SET @@GLOBAL.innodb_lock_wait_timeout=1; +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a read only variable +-Expected error 'Read only variable' + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + COUNT(@@GLOBAL.innodb_lock_wait_timeout) + 1 +@@ -39,11 +36,11 @@ + 1 + 1 Expected + SELECT COUNT(@@local.innodb_lock_wait_timeout); +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable +-Expected error 'Variable is a GLOBAL variable' ++COUNT(@@local.innodb_lock_wait_timeout) ++1 + SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); +-ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable +-Expected error 'Variable is a GLOBAL variable' ++COUNT(@@SESSION.innodb_lock_wait_timeout) ++1 + SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); + COUNT(@@GLOBAL.innodb_lock_wait_timeout) + 1 diff --git a/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff b/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff new file mode 100644 index 00000000000..72e5457905f --- /dev/null +++ b/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff @@ -0,0 +1,31 @@ +--- mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result.orig 2008-12-04 18:45:52 -06:00 ++++ mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result 2009-02-12 02:05:48 -06:00 +@@ -1,19 +1,19 @@ + SET @global_start_value = @@global.innodb_thread_concurrency; + SELECT @global_start_value; + @global_start_value +-8 ++0 + '#--------------------FN_DYNVARS_046_01------------------------#' + SET @@global.innodb_thread_concurrency = 0; + SET @@global.innodb_thread_concurrency = DEFAULT; + SELECT @@global.innodb_thread_concurrency; + @@global.innodb_thread_concurrency +-8 ++0 + '#---------------------FN_DYNVARS_046_02-------------------------#' + SET innodb_thread_concurrency = 1; + ERROR HY000: Variable 'innodb_thread_concurrency' is a GLOBAL variable and should be set with SET GLOBAL + SELECT @@innodb_thread_concurrency; + @@innodb_thread_concurrency +-8 ++0 + SELECT local.innodb_thread_concurrency; + ERROR 42S02: Unknown table 'local' in field list + SET global innodb_thread_concurrency = 0; +@@ -93,4 +93,4 @@ + SET @@global.innodb_thread_concurrency = @global_start_value; + SELECT @@global.innodb_thread_concurrency; + @@global.innodb_thread_concurrency +-8 ++0 diff --git a/perfschema/mysql-test/patches/partition_innodb.diff b/perfschema/mysql-test/patches/partition_innodb.diff new file mode 100644 index 00000000000..01bc073008e --- /dev/null +++ b/perfschema/mysql-test/patches/partition_innodb.diff @@ -0,0 +1,59 @@ +The partition_innodb test only fails if run immediately after innodb_trx_weight. +The reason for this failure is that innodb_trx_weight creates deadlocks and +leaves something like this in the SHOW ENGINE INNODB STATUS output: + + ------------------------ + LATEST DETECTED DEADLOCK + ------------------------ + 090213 10:26:25 + *** (1) TRANSACTION: + TRANSACTION 313, ACTIVE 0 sec, OS thread id 13644672 inserting + mysql tables in use 1, locked 1 + LOCK WAIT 4 lock struct(s), heap size 488, 3 row lock(s) + MySQL thread id 3, query id 36 localhost root update + +The regular expressions that partition_innodb is using are intended to extract +the lock structs and row locks numbers from another part of the output: + + ------------ + TRANSACTIONS + ------------ + Trx id counter 31D + Purge done for trx's n:o < 0 undo n:o < 0 + History list length 4 + LIST OF TRANSACTIONS FOR EACH SESSION: + ---TRANSACTION 0, not started, OS thread id 13645056 + 0 lock struct(s), heap size 488, 0 row lock(s) + MySQL thread id 8, query id 81 localhost root + +In the InnoDB Plugin a transaction id is not printed as 2 consecutive +decimal integers (as it is in InnoDB 5.1) but rather as a single +hexadecimal integer. Thus the regular expressions somehow pick the wrong +part of the SHOW ENGINE INNODB STATUS output. + +So after the regular expressions are adjusted to the InnoDB Plugin's variant +of trx_id prinout, then they pick the expected part of the output. + +This patch cannot be proposed to MySQL because the failures occur only +in this tree and do not occur in the standard InnoDB 5.1. + +--- mysql-test/t/partition_innodb.test 2008-11-14 22:51:17 +0000 ++++ mysql-test/t/partition_innodb.test 2009-02-13 07:36:07 +0000 +@@ -27,14 +27,14 @@ + + # grouping/referencing in replace_regex is very slow on long strings, + # removing all before/after the interesting row before grouping/referencing +---replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ ++--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ + SHOW ENGINE InnoDB STATUS; + + UPDATE t1 SET data = data*2 WHERE data = 2; + + # grouping/referencing in replace_regex is very slow on long strings, + # removing all before/after the interesting row before grouping/referencing +---replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ ++--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ + SHOW ENGINE InnoDB STATUS; + + SET @@session.tx_isolation = @old_tx_isolation; + diff --git a/perfschema/os/os0file.c b/perfschema/os/os0file.c new file mode 100644 index 00000000000..db81e23d90d --- /dev/null +++ b/perfschema/os/os0file.c @@ -0,0 +1,5144 @@ +/*********************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ + +/**************************************************//** +@file os/os0file.c +The interface to the operating system file i/o primitives + +Created 10/21/1995 Heikki Tuuri +*******************************************************/ + +#include "os0file.h" +#include "ut0mem.h" +#include "srv0srv.h" +#include "srv0start.h" +#include "fil0fil.h" +#include "buf0buf.h" +#ifndef UNIV_HOTBACKUP +# include "os0sync.h" +# include "os0thread.h" +#else /* !UNIV_HOTBACKUP */ +# ifdef __WIN__ +/* Add includes for the _stat() call to compile on Windows */ +# include +# include +# include +# endif /* __WIN__ */ +#endif /* !UNIV_HOTBACKUP */ + +#if defined(LINUX_NATIVE_AIO) +#include +#endif + +/* This specifies the file permissions InnoDB uses when it creates files in +Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to +my_umask */ + +#ifndef __WIN__ +/** Umask for creating files */ +UNIV_INTERN ulint os_innodb_umask + = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; +#else +/** Umask for creating files */ +UNIV_INTERN ulint os_innodb_umask = 0; +#endif + +#ifdef UNIV_DO_FLUSH +/* If the following is set to TRUE, we do not call os_file_flush in every +os_file_write. We can set this TRUE when the doublewrite buffer is used. */ +UNIV_INTERN ibool os_do_not_call_flush_at_each_write = FALSE; +#else +/* We do not call os_file_flush in every os_file_write. */ +#endif /* UNIV_DO_FLUSH */ + +#ifndef UNIV_HOTBACKUP +/* We use these mutexes to protect lseek + file i/o operation, if the +OS does not provide an atomic pread or pwrite, or similar */ +#define OS_FILE_N_SEEK_MUTEXES 16 +UNIV_INTERN os_mutex_t os_file_seek_mutexes[OS_FILE_N_SEEK_MUTEXES]; + +/* In simulated aio, merge at most this many consecutive i/os */ +#define OS_AIO_MERGE_N_CONSECUTIVE 64 + +/********************************************************************** + +InnoDB AIO Implementation: +========================= + +We support native AIO for windows and linux. For rest of the platforms +we simulate AIO by special io-threads servicing the IO-requests. + +Simulated AIO: +============== + +In platforms where we 'simulate' AIO following is a rough explanation +of the high level design. +There are four io-threads (for ibuf, log, read, write). +All synchronous IO requests are serviced by the calling thread using +os_file_write/os_file_read. The Asynchronous requests are queued up +in an array (there are four such arrays) by the calling thread. +Later these requests are picked up by the io-thread and are serviced +synchronously. + +Windows native AIO: +================== + +If srv_use_native_aio is not set then windows follow the same +code as simulated AIO. If the flag is set then native AIO interface +is used. On windows, one of the limitation is that if a file is opened +for AIO no synchronous IO can be done on it. Therefore we have an +extra fifth array to queue up synchronous IO requests. +There are innodb_file_io_threads helper threads. These threads work +on the four arrays mentioned above in Simulated AIO. No thread is +required for the sync array. +If a synchronous IO request is made, it is first queued in the sync +array. Then the calling thread itself waits on the request, thus +making the call synchronous. +If an AIO request is made the calling thread not only queues it in the +array but also submits the requests. The helper thread then collects +the completed IO request and calls completion routine on it. + +Linux native AIO: +================= + +If we have libaio installed on the system and innodb_use_native_aio +is set to TRUE we follow the code path of native AIO, otherwise we +do simulated AIO. +There are innodb_file_io_threads helper threads. These threads work +on the four arrays mentioned above in Simulated AIO. +If a synchronous IO request is made, it is handled by calling +os_file_write/os_file_read. +If an AIO request is made the calling thread not only queues it in the +array but also submits the requests. The helper thread then collects +the completed IO request and calls completion routine on it. + +**********************************************************************/ + +/** Flag: enable debug printout for asynchronous i/o */ +UNIV_INTERN ibool os_aio_print_debug = FALSE; + +/** The asynchronous i/o array slot structure */ +typedef struct os_aio_slot_struct os_aio_slot_t; + +/** The asynchronous i/o array slot structure */ +struct os_aio_slot_struct{ + ibool is_read; /*!< TRUE if a read operation */ + ulint pos; /*!< index of the slot in the aio + array */ + ibool reserved; /*!< TRUE if this slot is reserved */ + time_t reservation_time;/*!< time when reserved */ + ulint len; /*!< length of the block to read or + write */ + byte* buf; /*!< buffer used in i/o */ + ulint type; /*!< OS_FILE_READ or OS_FILE_WRITE */ + ulint offset; /*!< 32 low bits of file offset in + bytes */ + ulint offset_high; /*!< 32 high bits of file offset */ + os_file_t file; /*!< file where to read or write */ + const char* name; /*!< file name or path */ + ibool io_already_done;/*!< used only in simulated aio: + TRUE if the physical i/o already + made and only the slot message + needs to be passed to the caller + of os_aio_simulated_handle */ + fil_node_t* message1; /*!< message which is given by the */ + void* message2; /*!< the requester of an aio operation + and which can be used to identify + which pending aio operation was + completed */ +#ifdef WIN_ASYNC_IO + os_event_t event; /*!< event object we need in the + OVERLAPPED struct */ + OVERLAPPED control; /*!< Windows control block for the + aio request */ +#elif defined(LINUX_NATIVE_AIO) + struct iocb control; /* Linux control block for aio */ + int n_bytes; /* bytes written/read. */ + int ret; /* AIO return code */ +#endif +}; + +/** The asynchronous i/o array structure */ +typedef struct os_aio_array_struct os_aio_array_t; + +/** The asynchronous i/o array structure */ +struct os_aio_array_struct{ + os_mutex_t mutex; /*!< the mutex protecting the aio array */ + os_event_t not_full; + /*!< The event which is set to the + signaled state when there is space in + the aio outside the ibuf segment */ + os_event_t is_empty; + /*!< The event which is set to the + signaled state when there are no + pending i/os in this array */ + ulint n_slots;/*!< Total number of slots in the aio + array. This must be divisible by + n_threads. */ + ulint n_segments; + /*!< Number of segments in the aio + array of pending aio requests. A + thread can wait separately for any one + of the segments. */ + ulint cur_seg;/*!< We reserve IO requests in round + robin fashion to different segments. + This points to the segment that is to + be used to service next IO request. */ + ulint n_reserved; + /*!< Number of reserved slots in the + aio array outside the ibuf segment */ + os_aio_slot_t* slots; /*!< Pointer to the slots in the array */ +#ifdef __WIN__ + os_native_event_t* native_events; + /*!< Pointer to an array of OS native + event handles where we copied the + handles from slots, in the same + order. This can be used in + WaitForMultipleObjects; used only in + Windows */ +#endif + +#if defined(LINUX_NATIVE_AIO) + io_context_t* aio_ctx; + /* completion queue for IO. There is + one such queue per segment. Each thread + will work on one ctx exclusively. */ + struct io_event* aio_events; + /* The array to collect completed IOs. + There is one such event for each + possible pending IO. The size of the + array is equal to n_slots. */ +#endif +}; + +#if defined(LINUX_NATIVE_AIO) +/** timeout for each io_getevents() call = 500ms. */ +#define OS_AIO_REAP_TIMEOUT (500000000UL) + +/** time to sleep, in microseconds if io_setup() returns EAGAIN. */ +#define OS_AIO_IO_SETUP_RETRY_SLEEP (500000UL) + +/** number of attempts before giving up on io_setup(). */ +#define OS_AIO_IO_SETUP_RETRY_ATTEMPTS 5 +#endif + +/** Array of events used in simulated aio */ +static os_event_t* os_aio_segment_wait_events = NULL; + +/** The aio arrays for non-ibuf i/o and ibuf i/o, as well as sync aio. These +are NULL when the module has not yet been initialized. @{ */ +static os_aio_array_t* os_aio_read_array = NULL; /*!< Reads */ +static os_aio_array_t* os_aio_write_array = NULL; /*!< Writes */ +static os_aio_array_t* os_aio_ibuf_array = NULL; /*!< Insert buffer */ +static os_aio_array_t* os_aio_log_array = NULL; /*!< Redo log */ +static os_aio_array_t* os_aio_sync_array = NULL; /*!< Synchronous I/O */ +/* @} */ + +/** Number of asynchronous I/O segments. Set by os_aio_init(). */ +static ulint os_aio_n_segments = ULINT_UNDEFINED; + +/** If the following is TRUE, read i/o handler threads try to +wait until a batch of new read requests have been posted */ +static ibool os_aio_recommend_sleep_for_read_threads = FALSE; +#endif /* !UNIV_HOTBACKUP */ + +UNIV_INTERN ulint os_n_file_reads = 0; +UNIV_INTERN ulint os_bytes_read_since_printout = 0; +UNIV_INTERN ulint os_n_file_writes = 0; +UNIV_INTERN ulint os_n_fsyncs = 0; +UNIV_INTERN ulint os_n_file_reads_old = 0; +UNIV_INTERN ulint os_n_file_writes_old = 0; +UNIV_INTERN ulint os_n_fsyncs_old = 0; +UNIV_INTERN time_t os_last_printout; + +UNIV_INTERN ibool os_has_said_disk_full = FALSE; + +#ifndef UNIV_HOTBACKUP +/** The mutex protecting the following counts of pending I/O operations */ +static os_mutex_t os_file_count_mutex; +#endif /* !UNIV_HOTBACKUP */ +/** Number of pending os_file_pread() operations */ +UNIV_INTERN ulint os_file_n_pending_preads = 0; +/** Number of pending os_file_pwrite() operations */ +UNIV_INTERN ulint os_file_n_pending_pwrites = 0; +/** Number of pending write operations */ +UNIV_INTERN ulint os_n_pending_writes = 0; +/** Number of pending read operations */ +UNIV_INTERN ulint os_n_pending_reads = 0; + +/***********************************************************************//** +Gets the operating system version. Currently works only on Windows. +@return OS_WIN95, OS_WIN31, OS_WINNT, OS_WIN2000 */ +UNIV_INTERN +ulint +os_get_os_version(void) +/*===================*/ +{ +#ifdef __WIN__ + OSVERSIONINFO os_info; + + os_info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + + ut_a(GetVersionEx(&os_info)); + + if (os_info.dwPlatformId == VER_PLATFORM_WIN32s) { + return(OS_WIN31); + } else if (os_info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { + return(OS_WIN95); + } else if (os_info.dwPlatformId == VER_PLATFORM_WIN32_NT) { + if (os_info.dwMajorVersion <= 4) { + return(OS_WINNT); + } else { + return(OS_WIN2000); + } + } else { + ut_error; + return(0); + } +#else + ut_error; + + return(0); +#endif +} + +/***********************************************************************//** +Retrieves the last error number if an error occurs in a file io function. +The number should be retrieved before any other OS calls (because they may +overwrite the error number). If the number is not known to this program, +the OS error number + 100 is returned. +@return error number, or OS error number + 100 */ +UNIV_INTERN +ulint +os_file_get_last_error( +/*===================*/ + ibool report_all_errors) /*!< in: TRUE if we want an error message + printed of all errors */ +{ + ulint err; + +#ifdef __WIN__ + + err = (ulint) GetLastError(); + + if (report_all_errors + || (err != ERROR_DISK_FULL && err != ERROR_FILE_EXISTS)) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Operating system error number %lu" + " in a file operation.\n", (ulong) err); + + if (err == ERROR_PATH_NOT_FOUND) { + fprintf(stderr, + "InnoDB: The error means the system" + " cannot find the path specified.\n"); + + if (srv_is_being_started) { + fprintf(stderr, + "InnoDB: If you are installing InnoDB," + " remember that you must create\n" + "InnoDB: directories yourself, InnoDB" + " does not create them.\n"); + } + } else if (err == ERROR_ACCESS_DENIED) { + fprintf(stderr, + "InnoDB: The error means mysqld does not have" + " the access rights to\n" + "InnoDB: the directory. It may also be" + " you have created a subdirectory\n" + "InnoDB: of the same name as a data file.\n"); + } else if (err == ERROR_SHARING_VIOLATION + || err == ERROR_LOCK_VIOLATION) { + fprintf(stderr, + "InnoDB: The error means that another program" + " is using InnoDB's files.\n" + "InnoDB: This might be a backup or antivirus" + " software or another instance\n" + "InnoDB: of MySQL." + " Please close it to get rid of this error.\n"); + } else if (err == ERROR_WORKING_SET_QUOTA + || err == ERROR_NO_SYSTEM_RESOURCES) { + fprintf(stderr, + "InnoDB: The error means that there are no" + " sufficient system resources or quota to" + " complete the operation.\n"); + } else if (err == ERROR_OPERATION_ABORTED) { + fprintf(stderr, + "InnoDB: The error means that the I/O" + " operation has been aborted\n" + "InnoDB: because of either a thread exit" + " or an application request.\n" + "InnoDB: Retry attempt is made.\n"); + } else { + fprintf(stderr, + "InnoDB: Some operating system error numbers" + " are described at\n" + "InnoDB: " + REFMAN + "operating-system-error-codes.html\n"); + } + } + + fflush(stderr); + + if (err == ERROR_FILE_NOT_FOUND) { + return(OS_FILE_NOT_FOUND); + } else if (err == ERROR_DISK_FULL) { + return(OS_FILE_DISK_FULL); + } else if (err == ERROR_FILE_EXISTS) { + return(OS_FILE_ALREADY_EXISTS); + } else if (err == ERROR_SHARING_VIOLATION + || err == ERROR_LOCK_VIOLATION) { + return(OS_FILE_SHARING_VIOLATION); + } else if (err == ERROR_WORKING_SET_QUOTA + || err == ERROR_NO_SYSTEM_RESOURCES) { + return(OS_FILE_INSUFFICIENT_RESOURCE); + } else if (err == ERROR_OPERATION_ABORTED) { + return(OS_FILE_OPERATION_ABORTED); + } else { + return(100 + err); + } +#else + err = (ulint) errno; + + if (report_all_errors + || (err != ENOSPC && err != EEXIST)) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Operating system error number %lu" + " in a file operation.\n", (ulong) err); + + if (err == ENOENT) { + fprintf(stderr, + "InnoDB: The error means the system" + " cannot find the path specified.\n"); + + if (srv_is_being_started) { + fprintf(stderr, + "InnoDB: If you are installing InnoDB," + " remember that you must create\n" + "InnoDB: directories yourself, InnoDB" + " does not create them.\n"); + } + } else if (err == EACCES) { + fprintf(stderr, + "InnoDB: The error means mysqld does not have" + " the access rights to\n" + "InnoDB: the directory.\n"); + } else { + if (strerror((int)err) != NULL) { + fprintf(stderr, + "InnoDB: Error number %lu" + " means '%s'.\n", + err, strerror((int)err)); + } + + fprintf(stderr, + "InnoDB: Some operating system" + " error numbers are described at\n" + "InnoDB: " + REFMAN + "operating-system-error-codes.html\n"); + } + } + + fflush(stderr); + + switch (err) { + case ENOSPC: + return(OS_FILE_DISK_FULL); + case ENOENT: + return(OS_FILE_NOT_FOUND); + case EEXIST: + return(OS_FILE_ALREADY_EXISTS); + case EXDEV: + case ENOTDIR: + case EISDIR: + return(OS_FILE_PATH_ERROR); + case EAGAIN: + if (srv_use_native_aio) { + return(OS_FILE_AIO_RESOURCES_RESERVED); + } + break; + case EINTR: + if (srv_use_native_aio) { + return(OS_FILE_AIO_INTERRUPTED); + } + break; + } + return(100 + err); +#endif +} + +/****************************************************************//** +Does error handling when a file operation fails. +Conditionally exits (calling exit(3)) based on should_exit value and the +error type +@return TRUE if we should retry the operation */ +static +ibool +os_file_handle_error_cond_exit( +/*===========================*/ + const char* name, /*!< in: name of a file or NULL */ + const char* operation, /*!< in: operation */ + ibool should_exit) /*!< in: call exit(3) if unknown error + and this parameter is TRUE */ +{ + ulint err; + + err = os_file_get_last_error(FALSE); + + if (err == OS_FILE_DISK_FULL) { + /* We only print a warning about disk full once */ + + if (os_has_said_disk_full) { + + return(FALSE); + } + + if (name) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Encountered a problem with" + " file %s\n", name); + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Disk is full. Try to clean the disk" + " to free space.\n"); + + os_has_said_disk_full = TRUE; + + fflush(stderr); + + return(FALSE); + } else if (err == OS_FILE_AIO_RESOURCES_RESERVED) { + + return(TRUE); + } else if (err == OS_FILE_AIO_INTERRUPTED) { + + return(TRUE); + } else if (err == OS_FILE_ALREADY_EXISTS + || err == OS_FILE_PATH_ERROR) { + + return(FALSE); + } else if (err == OS_FILE_SHARING_VIOLATION) { + + os_thread_sleep(10000000); /* 10 sec */ + return(TRUE); + } else if (err == OS_FILE_INSUFFICIENT_RESOURCE) { + + os_thread_sleep(100000); /* 100 ms */ + return(TRUE); + } else if (err == OS_FILE_OPERATION_ABORTED) { + + os_thread_sleep(100000); /* 100 ms */ + return(TRUE); + } else { + if (name) { + fprintf(stderr, "InnoDB: File name %s\n", name); + } + + fprintf(stderr, "InnoDB: File operation call: '%s'.\n", + operation); + + if (should_exit) { + fprintf(stderr, "InnoDB: Cannot continue operation.\n"); + + fflush(stderr); + + exit(1); + } + } + + return(FALSE); +} + +/****************************************************************//** +Does error handling when a file operation fails. +@return TRUE if we should retry the operation */ +static +ibool +os_file_handle_error( +/*=================*/ + const char* name, /*!< in: name of a file or NULL */ + const char* operation)/*!< in: operation */ +{ + /* exit in case of unknown error */ + return(os_file_handle_error_cond_exit(name, operation, TRUE)); +} + +/****************************************************************//** +Does error handling when a file operation fails. +@return TRUE if we should retry the operation */ +static +ibool +os_file_handle_error_no_exit( +/*=========================*/ + const char* name, /*!< in: name of a file or NULL */ + const char* operation)/*!< in: operation */ +{ + /* don't exit in case of unknown error */ + return(os_file_handle_error_cond_exit(name, operation, FALSE)); +} + +#undef USE_FILE_LOCK +#define USE_FILE_LOCK +#if defined(UNIV_HOTBACKUP) || defined(__WIN__) || defined(__NETWARE__) +/* InnoDB Hot Backup does not lock the data files. + * On Windows, mandatory locking is used. + */ +# undef USE_FILE_LOCK +#endif +#ifdef USE_FILE_LOCK +/****************************************************************//** +Obtain an exclusive lock on a file. +@return 0 on success */ +static +int +os_file_lock( +/*=========*/ + int fd, /*!< in: file descriptor */ + const char* name) /*!< in: file name */ +{ + struct flock lk; + lk.l_type = F_WRLCK; + lk.l_whence = SEEK_SET; + lk.l_start = lk.l_len = 0; + if (fcntl(fd, F_SETLK, &lk) == -1) { + fprintf(stderr, + "InnoDB: Unable to lock %s, error: %d\n", name, errno); + + if (errno == EAGAIN || errno == EACCES) { + fprintf(stderr, + "InnoDB: Check that you do not already have" + " another mysqld process\n" + "InnoDB: using the same InnoDB data" + " or log files.\n"); + } + + return(-1); + } + + return(0); +} +#endif /* USE_FILE_LOCK */ + +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Creates the seek mutexes used in positioned reads and writes. */ +UNIV_INTERN +void +os_io_init_simple(void) +/*===================*/ +{ + ulint i; + + os_file_count_mutex = os_mutex_create(NULL); + + for (i = 0; i < OS_FILE_N_SEEK_MUTEXES; i++) { + os_file_seek_mutexes[i] = os_mutex_create(NULL); + } +} + +/***********************************************************************//** +Creates a temporary file. This function is like tmpfile(3), but +the temporary file is created in the MySQL temporary directory. +On Netware, this function is like tmpfile(3), because the C run-time +library of Netware does not expose the delete-on-close flag. +@return temporary file handle, or NULL on error */ +UNIV_INTERN +FILE* +os_file_create_tmpfile(void) +/*========================*/ +{ +#ifdef __NETWARE__ + FILE* file = tmpfile(); +#else /* __NETWARE__ */ + FILE* file = NULL; + int fd = innobase_mysql_tmpfile(); + + if (fd >= 0) { + file = fdopen(fd, "w+b"); + } +#endif /* __NETWARE__ */ + + if (!file) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: unable to create temporary file;" + " errno: %d\n", errno); +#ifndef __NETWARE__ + if (fd >= 0) { + close(fd); + } +#endif /* !__NETWARE__ */ + } + + return(file); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************************//** +The os_file_opendir() function opens a directory stream corresponding to the +directory named by the dirname argument. The directory stream is positioned +at the first entry. In both Unix and Windows we automatically skip the '.' +and '..' items at the start of the directory listing. +@return directory stream, NULL if error */ +UNIV_INTERN +os_file_dir_t +os_file_opendir( +/*============*/ + const char* dirname, /*!< in: directory name; it must not + contain a trailing '\' or '/' */ + ibool error_is_fatal) /*!< in: TRUE if we should treat an + error as a fatal error; if we try to + open symlinks then we do not wish a + fatal error if it happens not to be + a directory */ +{ + os_file_dir_t dir; +#ifdef __WIN__ + LPWIN32_FIND_DATA lpFindFileData; + char path[OS_FILE_MAX_PATH + 3]; + + ut_a(strlen(dirname) < OS_FILE_MAX_PATH); + + strcpy(path, dirname); + strcpy(path + strlen(path), "\\*"); + + /* Note that in Windows opening the 'directory stream' also retrieves + the first entry in the directory. Since it is '.', that is no problem, + as we will skip over the '.' and '..' entries anyway. */ + + lpFindFileData = ut_malloc(sizeof(WIN32_FIND_DATA)); + + dir = FindFirstFile((LPCTSTR) path, lpFindFileData); + + ut_free(lpFindFileData); + + if (dir == INVALID_HANDLE_VALUE) { + + if (error_is_fatal) { + os_file_handle_error(dirname, "opendir"); + } + + return(NULL); + } + + return(dir); +#else + dir = opendir(dirname); + + if (dir == NULL && error_is_fatal) { + os_file_handle_error(dirname, "opendir"); + } + + return(dir); +#endif +} + +/***********************************************************************//** +Closes a directory stream. +@return 0 if success, -1 if failure */ +UNIV_INTERN +int +os_file_closedir( +/*=============*/ + os_file_dir_t dir) /*!< in: directory stream */ +{ +#ifdef __WIN__ + BOOL ret; + + ret = FindClose(dir); + + if (!ret) { + os_file_handle_error_no_exit(NULL, "closedir"); + + return(-1); + } + + return(0); +#else + int ret; + + ret = closedir(dir); + + if (ret) { + os_file_handle_error_no_exit(NULL, "closedir"); + } + + return(ret); +#endif +} + +/***********************************************************************//** +This function returns information of the next file in the directory. We jump +over the '.' and '..' entries in the directory. +@return 0 if ok, -1 if error, 1 if at the end of the directory */ +UNIV_INTERN +int +os_file_readdir_next_file( +/*======================*/ + const char* dirname,/*!< in: directory name or path */ + os_file_dir_t dir, /*!< in: directory stream */ + os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ +{ +#ifdef __WIN__ + LPWIN32_FIND_DATA lpFindFileData; + BOOL ret; + + lpFindFileData = ut_malloc(sizeof(WIN32_FIND_DATA)); +next_file: + ret = FindNextFile(dir, lpFindFileData); + + if (ret) { + ut_a(strlen((char *) lpFindFileData->cFileName) + < OS_FILE_MAX_PATH); + + if (strcmp((char *) lpFindFileData->cFileName, ".") == 0 + || strcmp((char *) lpFindFileData->cFileName, "..") == 0) { + + goto next_file; + } + + strcpy(info->name, (char *) lpFindFileData->cFileName); + + info->size = (ib_int64_t)(lpFindFileData->nFileSizeLow) + + (((ib_int64_t)(lpFindFileData->nFileSizeHigh)) + << 32); + + if (lpFindFileData->dwFileAttributes + & FILE_ATTRIBUTE_REPARSE_POINT) { + /* TODO: test Windows symlinks */ + /* TODO: MySQL has apparently its own symlink + implementation in Windows, dbname.sym can + redirect a database directory: + REFMAN "windows-symbolic-links.html" */ + info->type = OS_FILE_TYPE_LINK; + } else if (lpFindFileData->dwFileAttributes + & FILE_ATTRIBUTE_DIRECTORY) { + info->type = OS_FILE_TYPE_DIR; + } else { + /* It is probably safest to assume that all other + file types are normal. Better to check them rather + than blindly skip them. */ + + info->type = OS_FILE_TYPE_FILE; + } + } + + ut_free(lpFindFileData); + + if (ret) { + return(0); + } else if (GetLastError() == ERROR_NO_MORE_FILES) { + + return(1); + } else { + os_file_handle_error_no_exit(dirname, + "readdir_next_file"); + return(-1); + } +#else + struct dirent* ent; + char* full_path; + int ret; + struct stat statinfo; +#ifdef HAVE_READDIR_R + char dirent_buf[sizeof(struct dirent) + + _POSIX_PATH_MAX + 100]; + /* In /mysys/my_lib.c, _POSIX_PATH_MAX + 1 is used as + the max file name len; but in most standards, the + length is NAME_MAX; we add 100 to be even safer */ +#endif + +next_file: + +#ifdef HAVE_READDIR_R + ret = readdir_r(dir, (struct dirent*)dirent_buf, &ent); + + if (ret != 0 +#ifdef UNIV_AIX + /* On AIX, only if we got non-NULL 'ent' (result) value and + a non-zero 'ret' (return) value, it indicates a failed + readdir_r() call. An NULL 'ent' with an non-zero 'ret' + would indicate the "end of the directory" is reached. */ + && ent != NULL +#endif + ) { + fprintf(stderr, + "InnoDB: cannot read directory %s, error %lu\n", + dirname, (ulong)ret); + + return(-1); + } + + if (ent == NULL) { + /* End of directory */ + + return(1); + } + + ut_a(strlen(ent->d_name) < _POSIX_PATH_MAX + 100 - 1); +#else + ent = readdir(dir); + + if (ent == NULL) { + + return(1); + } +#endif + ut_a(strlen(ent->d_name) < OS_FILE_MAX_PATH); + + if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) { + + goto next_file; + } + + strcpy(info->name, ent->d_name); + + full_path = ut_malloc(strlen(dirname) + strlen(ent->d_name) + 10); + + sprintf(full_path, "%s/%s", dirname, ent->d_name); + + ret = stat(full_path, &statinfo); + + if (ret) { + + if (errno == ENOENT) { + /* readdir() returned a file that does not exist, + it must have been deleted in the meantime. Do what + would have happened if the file was deleted before + readdir() - ignore and go to the next entry. + If this is the last entry then info->name will still + contain the name of the deleted file when this + function returns, but this is not an issue since the + caller shouldn't be looking at info when end of + directory is returned. */ + + ut_free(full_path); + + goto next_file; + } + + os_file_handle_error_no_exit(full_path, "stat"); + + ut_free(full_path); + + return(-1); + } + + info->size = (ib_int64_t)statinfo.st_size; + + if (S_ISDIR(statinfo.st_mode)) { + info->type = OS_FILE_TYPE_DIR; + } else if (S_ISLNK(statinfo.st_mode)) { + info->type = OS_FILE_TYPE_LINK; + } else if (S_ISREG(statinfo.st_mode)) { + info->type = OS_FILE_TYPE_FILE; + } else { + info->type = OS_FILE_TYPE_UNKNOWN; + } + + ut_free(full_path); + + return(0); +#endif +} + +/*****************************************************************//** +This function attempts to create a directory named pathname. The new directory +gets default permissions. On Unix the permissions are (0770 & ~umask). If the +directory exists already, nothing is done and the call succeeds, unless the +fail_if_exists arguments is true. +@return TRUE if call succeeds, FALSE on error */ +UNIV_INTERN +ibool +os_file_create_directory( +/*=====================*/ + const char* pathname, /*!< in: directory name as + null-terminated string */ + ibool fail_if_exists) /*!< in: if TRUE, pre-existing directory + is treated as an error. */ +{ +#ifdef __WIN__ + BOOL rcode; + + rcode = CreateDirectory((LPCTSTR) pathname, NULL); + if (!(rcode != 0 + || (GetLastError() == ERROR_ALREADY_EXISTS + && !fail_if_exists))) { + /* failure */ + os_file_handle_error(pathname, "CreateDirectory"); + + return(FALSE); + } + + return (TRUE); +#else + int rcode; + + rcode = mkdir(pathname, 0770); + + if (!(rcode == 0 || (errno == EEXIST && !fail_if_exists))) { + /* failure */ + os_file_handle_error(pathname, "mkdir"); + + return(FALSE); + } + + return (TRUE); +#endif +} + +/****************************************************************//** +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create_simple( +/*==================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is + opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), or + OS_FILE_CREATE_PATH if new file + (if exists, error) and subdirectories along + its path are created (if needed)*/ + ulint access_type,/*!< in: OS_FILE_READ_ONLY or + OS_FILE_READ_WRITE */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ +{ +#ifdef __WIN__ + os_file_t file; + DWORD create_flag; + DWORD access; + DWORD attributes = 0; + ibool retry; + +try_again: + ut_a(name); + + if (create_mode == OS_FILE_OPEN) { + create_flag = OPEN_EXISTING; + } else if (create_mode == OS_FILE_CREATE) { + create_flag = CREATE_NEW; + } else if (create_mode == OS_FILE_CREATE_PATH) { + /* create subdirs along the path if needed */ + *success = os_file_create_subdirs_if_needed(name); + if (!*success) { + ut_error; + } + create_flag = CREATE_NEW; + create_mode = OS_FILE_CREATE; + } else { + create_flag = 0; + ut_error; + } + + if (access_type == OS_FILE_READ_ONLY) { + access = GENERIC_READ; + } else if (access_type == OS_FILE_READ_WRITE) { + access = GENERIC_READ | GENERIC_WRITE; + } else { + access = 0; + ut_error; + } + + file = CreateFile((LPCTSTR) name, + access, + FILE_SHARE_READ | FILE_SHARE_WRITE, + /* file can be read and written also + by other processes */ + NULL, /* default security attributes */ + create_flag, + attributes, + NULL); /*!< no template file */ + + if (file == INVALID_HANDLE_VALUE) { + *success = FALSE; + + retry = os_file_handle_error(name, + create_mode == OS_FILE_OPEN ? + "open" : "create"); + if (retry) { + goto try_again; + } + } else { + *success = TRUE; + } + + return(file); +#else /* __WIN__ */ + os_file_t file; + int create_flag; + ibool retry; + +try_again: + ut_a(name); + + if (create_mode == OS_FILE_OPEN) { + if (access_type == OS_FILE_READ_ONLY) { + create_flag = O_RDONLY; + } else { + create_flag = O_RDWR; + } + } else if (create_mode == OS_FILE_CREATE) { + create_flag = O_RDWR | O_CREAT | O_EXCL; + } else if (create_mode == OS_FILE_CREATE_PATH) { + /* create subdirs along the path if needed */ + *success = os_file_create_subdirs_if_needed(name); + if (!*success) { + return (-1); + } + create_flag = O_RDWR | O_CREAT | O_EXCL; + create_mode = OS_FILE_CREATE; + } else { + create_flag = 0; + ut_error; + } + + if (create_mode == OS_FILE_CREATE) { + file = open(name, create_flag, S_IRUSR | S_IWUSR + | S_IRGRP | S_IWGRP); + } else { + file = open(name, create_flag); + } + + if (file == -1) { + *success = FALSE; + + retry = os_file_handle_error(name, + create_mode == OS_FILE_OPEN ? + "open" : "create"); + if (retry) { + goto try_again; + } +#ifdef USE_FILE_LOCK + } else if (access_type == OS_FILE_READ_WRITE + && os_file_lock(file, name)) { + *success = FALSE; + close(file); + file = -1; +#endif + } else { + *success = TRUE; + } + + return(file); +#endif /* __WIN__ */ +} + +/****************************************************************//** +A simple function to open or create a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create_simple_no_error_handling( +/*====================================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error) */ + ulint access_type,/*!< in: OS_FILE_READ_ONLY, + OS_FILE_READ_WRITE, or + OS_FILE_READ_ALLOW_DELETE; the last option is + used by a backup program reading the file */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ +{ +#ifdef __WIN__ + os_file_t file; + DWORD create_flag; + DWORD access; + DWORD attributes = 0; + DWORD share_mode = FILE_SHARE_READ | FILE_SHARE_WRITE; + + ut_a(name); + + if (create_mode == OS_FILE_OPEN) { + create_flag = OPEN_EXISTING; + } else if (create_mode == OS_FILE_CREATE) { + create_flag = CREATE_NEW; + } else { + create_flag = 0; + ut_error; + } + + if (access_type == OS_FILE_READ_ONLY) { + access = GENERIC_READ; + } else if (access_type == OS_FILE_READ_WRITE) { + access = GENERIC_READ | GENERIC_WRITE; + } else if (access_type == OS_FILE_READ_ALLOW_DELETE) { + access = GENERIC_READ; + share_mode = FILE_SHARE_DELETE | FILE_SHARE_READ + | FILE_SHARE_WRITE; /*!< A backup program has to give + mysqld the maximum freedom to + do what it likes with the + file */ + } else { + access = 0; + ut_error; + } + + file = CreateFile((LPCTSTR) name, + access, + share_mode, + NULL, /* default security attributes */ + create_flag, + attributes, + NULL); /*!< no template file */ + + if (file == INVALID_HANDLE_VALUE) { + *success = FALSE; + } else { + *success = TRUE; + } + + return(file); +#else /* __WIN__ */ + os_file_t file; + int create_flag; + + ut_a(name); + + if (create_mode == OS_FILE_OPEN) { + if (access_type == OS_FILE_READ_ONLY) { + create_flag = O_RDONLY; + } else { + create_flag = O_RDWR; + } + } else if (create_mode == OS_FILE_CREATE) { + create_flag = O_RDWR | O_CREAT | O_EXCL; + } else { + create_flag = 0; + ut_error; + } + + if (create_mode == OS_FILE_CREATE) { + file = open(name, create_flag, S_IRUSR | S_IWUSR + | S_IRGRP | S_IWGRP); + } else { + file = open(name, create_flag); + } + + if (file == -1) { + *success = FALSE; +#ifdef USE_FILE_LOCK + } else if (access_type == OS_FILE_READ_WRITE + && os_file_lock(file, name)) { + *success = FALSE; + close(file); + file = -1; +#endif + } else { + *success = TRUE; + } + + return(file); +#endif /* __WIN__ */ +} + +/****************************************************************//** +Tries to disable OS caching on an opened file descriptor. */ +UNIV_INTERN +void +os_file_set_nocache( +/*================*/ + int fd, /*!< in: file descriptor to alter */ + const char* file_name, /*!< in: file name, used in the + diagnostic message */ + const char* operation_name) /*!< in: "open" or "create"; used in the + diagnostic message */ +{ + /* some versions of Solaris may not have DIRECTIO_ON */ +#if defined(UNIV_SOLARIS) && defined(DIRECTIO_ON) + if (directio(fd, DIRECTIO_ON) == -1) { + int errno_save; + errno_save = (int)errno; + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Failed to set DIRECTIO_ON " + "on file %s: %s: %s, continuing anyway\n", + file_name, operation_name, strerror(errno_save)); + } +#elif defined(O_DIRECT) + if (fcntl(fd, F_SETFL, O_DIRECT) == -1) { + int errno_save; + errno_save = (int)errno; + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Failed to set O_DIRECT " + "on file %s: %s: %s, continuing anyway\n", + file_name, operation_name, strerror(errno_save)); + if (errno_save == EINVAL) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: O_DIRECT is known to result in " + "'Invalid argument' on Linux on tmpfs, " + "see MySQL Bug#26662\n"); + } + } +#endif +} + +/****************************************************************//** +Opens an existing file or creates a new. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INTERN +os_file_t +os_file_create( +/*===========*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), + OS_FILE_OVERWRITE if a new file is created + or an old overwritten; + OS_FILE_OPEN_RAW, if a raw device or disk + partition should be opened */ + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, + non-buffered i/o is desired, + OS_FILE_NORMAL, if any normal file; + NOTE that it also depends on type, os_aio_.. + and srv_.. variables whether we really use + async i/o or unbuffered i/o: look in the + function source code for the exact rules */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success)/*!< out: TRUE if succeed, FALSE if error */ +{ +#ifdef __WIN__ + os_file_t file; + DWORD share_mode = FILE_SHARE_READ; + DWORD create_flag; + DWORD attributes; + ibool retry; +try_again: + ut_a(name); + + if (create_mode == OS_FILE_OPEN_RAW) { + create_flag = OPEN_EXISTING; + share_mode = FILE_SHARE_WRITE; + } else if (create_mode == OS_FILE_OPEN + || create_mode == OS_FILE_OPEN_RETRY) { + create_flag = OPEN_EXISTING; + } else if (create_mode == OS_FILE_CREATE) { + create_flag = CREATE_NEW; + } else if (create_mode == OS_FILE_OVERWRITE) { + create_flag = CREATE_ALWAYS; + } else { + create_flag = 0; + ut_error; + } + + if (purpose == OS_FILE_AIO) { + /* If specified, use asynchronous (overlapped) io and no + buffering of writes in the OS */ + attributes = 0; +#ifdef WIN_ASYNC_IO + if (srv_use_native_aio) { + attributes = attributes | FILE_FLAG_OVERLAPPED; + } +#endif +#ifdef UNIV_NON_BUFFERED_IO +# ifndef UNIV_HOTBACKUP + if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { + /* Do not use unbuffered i/o to log files because + value 2 denotes that we do not flush the log at every + commit, but only once per second */ + } else if (srv_win_file_flush_method + == SRV_WIN_IO_UNBUFFERED) { + attributes = attributes | FILE_FLAG_NO_BUFFERING; + } +# else /* !UNIV_HOTBACKUP */ + attributes = attributes | FILE_FLAG_NO_BUFFERING; +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_NON_BUFFERED_IO */ + } else if (purpose == OS_FILE_NORMAL) { + attributes = 0; +#ifdef UNIV_NON_BUFFERED_IO +# ifndef UNIV_HOTBACKUP + if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { + /* Do not use unbuffered i/o to log files because + value 2 denotes that we do not flush the log at every + commit, but only once per second */ + } else if (srv_win_file_flush_method + == SRV_WIN_IO_UNBUFFERED) { + attributes = attributes | FILE_FLAG_NO_BUFFERING; + } +# else /* !UNIV_HOTBACKUP */ + attributes = attributes | FILE_FLAG_NO_BUFFERING; +# endif /* !UNIV_HOTBACKUP */ +#endif /* UNIV_NON_BUFFERED_IO */ + } else { + attributes = 0; + ut_error; + } + + file = CreateFile((LPCTSTR) name, + GENERIC_READ | GENERIC_WRITE, /* read and write + access */ + share_mode, /* File can be read also by other + processes; we must give the read + permission because of ibbackup. We do + not give the write permission to + others because if one would succeed to + start 2 instances of mysqld on the + SAME files, that could cause severe + database corruption! When opening + raw disk partitions, Microsoft manuals + say that we must give also the write + permission. */ + NULL, /* default security attributes */ + create_flag, + attributes, + NULL); /*!< no template file */ + + if (file == INVALID_HANDLE_VALUE) { + *success = FALSE; + + /* When srv_file_per_table is on, file creation failure may not + be critical to the whole instance. Do not crash the server in + case of unknown errors. */ + if (srv_file_per_table) { + retry = os_file_handle_error_no_exit(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } else { + retry = os_file_handle_error(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } + + if (retry) { + goto try_again; + } + } else { + *success = TRUE; + } + + return(file); +#else /* __WIN__ */ + os_file_t file; + int create_flag; + ibool retry; + const char* mode_str = NULL; + const char* type_str = NULL; + const char* purpose_str = NULL; + +try_again: + ut_a(name); + + if (create_mode == OS_FILE_OPEN || create_mode == OS_FILE_OPEN_RAW + || create_mode == OS_FILE_OPEN_RETRY) { + mode_str = "OPEN"; + create_flag = O_RDWR; + } else if (create_mode == OS_FILE_CREATE) { + mode_str = "CREATE"; + create_flag = O_RDWR | O_CREAT | O_EXCL; + } else if (create_mode == OS_FILE_OVERWRITE) { + mode_str = "OVERWRITE"; + create_flag = O_RDWR | O_CREAT | O_TRUNC; + } else { + create_flag = 0; + ut_error; + } + + if (type == OS_LOG_FILE) { + type_str = "LOG"; + } else if (type == OS_DATA_FILE) { + type_str = "DATA"; + } else { + ut_error; + } + + if (purpose == OS_FILE_AIO) { + purpose_str = "AIO"; + } else if (purpose == OS_FILE_NORMAL) { + purpose_str = "NORMAL"; + } else { + ut_error; + } + +#if 0 + fprintf(stderr, "Opening file %s, mode %s, type %s, purpose %s\n", + name, mode_str, type_str, purpose_str); +#endif +#ifdef O_SYNC + /* We let O_SYNC only affect log files; note that we map O_DSYNC to + O_SYNC because the datasync options seemed to corrupt files in 2001 + in both Linux and Solaris */ + if (type == OS_LOG_FILE + && srv_unix_file_flush_method == SRV_UNIX_O_DSYNC) { + +# if 0 + fprintf(stderr, "Using O_SYNC for file %s\n", name); +# endif + + create_flag = create_flag | O_SYNC; + } +#endif /* O_SYNC */ + + file = open(name, create_flag, os_innodb_umask); + + if (file == -1) { + *success = FALSE; + + /* When srv_file_per_table is on, file creation failure may not + be critical to the whole instance. Do not crash the server in + case of unknown errors. */ + if (srv_file_per_table) { + retry = os_file_handle_error_no_exit(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } else { + retry = os_file_handle_error(name, + create_mode == OS_FILE_CREATE ? + "create" : "open"); + } + + if (retry) { + goto try_again; + } else { + return(file /* -1 */); + } + } + /* else */ + + *success = TRUE; + + /* We disable OS caching (O_DIRECT) only on data files */ + if (type != OS_LOG_FILE + && srv_unix_file_flush_method == SRV_UNIX_O_DIRECT) { + + os_file_set_nocache(file, name, mode_str); + } + +#ifdef USE_FILE_LOCK + if (create_mode != OS_FILE_OPEN_RAW && os_file_lock(file, name)) { + + if (create_mode == OS_FILE_OPEN_RETRY) { + int i; + ut_print_timestamp(stderr); + fputs(" InnoDB: Retrying to lock" + " the first data file\n", + stderr); + for (i = 0; i < 100; i++) { + os_thread_sleep(1000000); + if (!os_file_lock(file, name)) { + *success = TRUE; + return(file); + } + } + ut_print_timestamp(stderr); + fputs(" InnoDB: Unable to open the first data file\n", + stderr); + } + + *success = FALSE; + close(file); + file = -1; + } +#endif /* USE_FILE_LOCK */ + + return(file); +#endif /* __WIN__ */ +} + +/***********************************************************************//** +Deletes a file if it exists. The file has to be closed before calling this. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_delete_if_exists( +/*=====================*/ + const char* name) /*!< in: file path as a null-terminated string */ +{ +#ifdef __WIN__ + BOOL ret; + ulint count = 0; +loop: + /* In Windows, deleting an .ibd file may fail if ibbackup is copying + it */ + + ret = DeleteFile((LPCTSTR)name); + + if (ret) { + return(TRUE); + } + + if (GetLastError() == ERROR_FILE_NOT_FOUND) { + /* the file does not exist, this not an error */ + + return(TRUE); + } + + count++; + + if (count > 100 && 0 == (count % 10)) { + fprintf(stderr, + "InnoDB: Warning: cannot delete file %s\n" + "InnoDB: Are you running ibbackup" + " to back up the file?\n", name); + + os_file_get_last_error(TRUE); /* print error information */ + } + + os_thread_sleep(1000000); /* sleep for a second */ + + if (count > 2000) { + + return(FALSE); + } + + goto loop; +#else + int ret; + + ret = unlink(name); + + if (ret != 0 && errno != ENOENT) { + os_file_handle_error_no_exit(name, "delete"); + + return(FALSE); + } + + return(TRUE); +#endif +} + +/***********************************************************************//** +Deletes a file. The file has to be closed before calling this. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_delete( +/*===========*/ + const char* name) /*!< in: file path as a null-terminated string */ +{ +#ifdef __WIN__ + BOOL ret; + ulint count = 0; +loop: + /* In Windows, deleting an .ibd file may fail if ibbackup is copying + it */ + + ret = DeleteFile((LPCTSTR)name); + + if (ret) { + return(TRUE); + } + + if (GetLastError() == ERROR_FILE_NOT_FOUND) { + /* If the file does not exist, we classify this as a 'mild' + error and return */ + + return(FALSE); + } + + count++; + + if (count > 100 && 0 == (count % 10)) { + fprintf(stderr, + "InnoDB: Warning: cannot delete file %s\n" + "InnoDB: Are you running ibbackup" + " to back up the file?\n", name); + + os_file_get_last_error(TRUE); /* print error information */ + } + + os_thread_sleep(1000000); /* sleep for a second */ + + if (count > 2000) { + + return(FALSE); + } + + goto loop; +#else + int ret; + + ret = unlink(name); + + if (ret != 0) { + os_file_handle_error_no_exit(name, "delete"); + + return(FALSE); + } + + return(TRUE); +#endif +} + +/***********************************************************************//** +Renames a file (can also move it to another directory). It is safest that the +file is closed before calling this function. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_rename( +/*===========*/ + const char* oldpath,/*!< in: old file path as a null-terminated + string */ + const char* newpath)/*!< in: new file path */ +{ +#ifdef __WIN__ + BOOL ret; + + ret = MoveFile((LPCTSTR)oldpath, (LPCTSTR)newpath); + + if (ret) { + return(TRUE); + } + + os_file_handle_error_no_exit(oldpath, "rename"); + + return(FALSE); +#else + int ret; + + ret = rename(oldpath, newpath); + + if (ret != 0) { + os_file_handle_error_no_exit(oldpath, "rename"); + + return(FALSE); + } + + return(TRUE); +#endif +} + +/***********************************************************************//** +Closes a file handle. In case of error, error number can be retrieved with +os_file_get_last_error. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_close( +/*==========*/ + os_file_t file) /*!< in, own: handle to a file */ +{ +#ifdef __WIN__ + BOOL ret; + + ut_a(file); + + ret = CloseHandle(file); + + if (ret) { + return(TRUE); + } + + os_file_handle_error(NULL, "close"); + + return(FALSE); +#else + int ret; + + ret = close(file); + + if (ret == -1) { + os_file_handle_error(NULL, "close"); + + return(FALSE); + } + + return(TRUE); +#endif +} + +#ifdef UNIV_HOTBACKUP +/***********************************************************************//** +Closes a file handle. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_close_no_error_handling( +/*============================*/ + os_file_t file) /*!< in, own: handle to a file */ +{ +#ifdef __WIN__ + BOOL ret; + + ut_a(file); + + ret = CloseHandle(file); + + if (ret) { + return(TRUE); + } + + return(FALSE); +#else + int ret; + + ret = close(file); + + if (ret == -1) { + + return(FALSE); + } + + return(TRUE); +#endif +} +#endif /* UNIV_HOTBACKUP */ + +/***********************************************************************//** +Gets a file size. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_get_size( +/*=============*/ + os_file_t file, /*!< in: handle to a file */ + ulint* size, /*!< out: least significant 32 bits of file + size */ + ulint* size_high)/*!< out: most significant 32 bits of size */ +{ +#ifdef __WIN__ + DWORD high; + DWORD low; + + low = GetFileSize(file, &high); + + if ((low == 0xFFFFFFFF) && (GetLastError() != NO_ERROR)) { + return(FALSE); + } + + *size = low; + *size_high = high; + + return(TRUE); +#else + off_t offs; + + offs = lseek(file, 0, SEEK_END); + + if (offs == ((off_t)-1)) { + + return(FALSE); + } + + if (sizeof(off_t) > 4) { + *size = (ulint)(offs & 0xFFFFFFFFUL); + *size_high = (ulint)(offs >> 32); + } else { + *size = (ulint) offs; + *size_high = 0; + } + + return(TRUE); +#endif +} + +/***********************************************************************//** +Gets file size as a 64-bit integer ib_int64_t. +@return size in bytes, -1 if error */ +UNIV_INTERN +ib_int64_t +os_file_get_size_as_iblonglong( +/*===========================*/ + os_file_t file) /*!< in: handle to a file */ +{ + ulint size; + ulint size_high; + ibool success; + + success = os_file_get_size(file, &size, &size_high); + + if (!success) { + + return(-1); + } + + return((((ib_int64_t)size_high) << 32) + (ib_int64_t)size); +} + +/***********************************************************************//** +Write the specified number of zeros to a newly created file. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_set_size( +/*=============*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + ulint size, /*!< in: least significant 32 bits of file + size */ + ulint size_high)/*!< in: most significant 32 bits of size */ +{ + ib_int64_t current_size; + ib_int64_t desired_size; + ibool ret; + byte* buf; + byte* buf2; + ulint buf_size; + + ut_a(size == (size & 0xFFFFFFFF)); + + current_size = 0; + desired_size = (ib_int64_t)size + (((ib_int64_t)size_high) << 32); + + /* Write up to 1 megabyte at a time. */ + buf_size = ut_min(64, (ulint) (desired_size / UNIV_PAGE_SIZE)) + * UNIV_PAGE_SIZE; + buf2 = ut_malloc(buf_size + UNIV_PAGE_SIZE); + + /* Align the buffer for possible raw i/o */ + buf = ut_align(buf2, UNIV_PAGE_SIZE); + + /* Write buffer full of zeros */ + memset(buf, 0, buf_size); + + if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { + + fprintf(stderr, "InnoDB: Progress in MB:"); + } + + while (current_size < desired_size) { + ulint n_bytes; + + if (desired_size - current_size < (ib_int64_t) buf_size) { + n_bytes = (ulint) (desired_size - current_size); + } else { + n_bytes = buf_size; + } + + ret = os_file_write(name, file, buf, + (ulint)(current_size & 0xFFFFFFFF), + (ulint)(current_size >> 32), + n_bytes); + if (!ret) { + ut_free(buf2); + goto error_handling; + } + + /* Print about progress for each 100 MB written */ + if ((ib_int64_t) (current_size + n_bytes) / (ib_int64_t)(100 * 1024 * 1024) + != current_size / (ib_int64_t)(100 * 1024 * 1024)) { + + fprintf(stderr, " %lu00", + (ulong) ((current_size + n_bytes) + / (ib_int64_t)(100 * 1024 * 1024))); + } + + current_size += n_bytes; + } + + if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { + + fprintf(stderr, "\n"); + } + + ut_free(buf2); + + ret = os_file_flush(file); + + if (ret) { + return(TRUE); + } + +error_handling: + return(FALSE); +} + +/***********************************************************************//** +Truncates a file at its current position. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_set_eof( +/*============*/ + FILE* file) /*!< in: file to be truncated */ +{ +#ifdef __WIN__ + HANDLE h = (HANDLE) _get_osfhandle(fileno(file)); + return(SetEndOfFile(h)); +#else /* __WIN__ */ + return(!ftruncate(fileno(file), ftell(file))); +#endif /* __WIN__ */ +} + +#ifndef __WIN__ +/***********************************************************************//** +Wrapper to fsync(2) that retries the call on some errors. +Returns the value 0 if successful; otherwise the value -1 is returned and +the global variable errno is set to indicate the error. +@return 0 if success, -1 otherwise */ + +static +int +os_file_fsync( +/*==========*/ + os_file_t file) /*!< in: handle to a file */ +{ + int ret; + int failures; + ibool retry; + + failures = 0; + + do { + ret = fsync(file); + + os_n_fsyncs++; + + if (ret == -1 && errno == ENOLCK) { + + if (failures % 100 == 0) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: fsync(): " + "No locks available; retrying\n"); + } + + os_thread_sleep(200000 /* 0.2 sec */); + + failures++; + + retry = TRUE; + } else { + + retry = FALSE; + } + } while (retry); + + return(ret); +} +#endif /* !__WIN__ */ + +/***********************************************************************//** +Flushes the write buffers of a given file to the disk. +@return TRUE if success */ +UNIV_INTERN +ibool +os_file_flush( +/*==========*/ + os_file_t file) /*!< in, own: handle to a file */ +{ +#ifdef __WIN__ + BOOL ret; + + ut_a(file); + + os_n_fsyncs++; + + ret = FlushFileBuffers(file); + + if (ret) { + return(TRUE); + } + + /* Since Windows returns ERROR_INVALID_FUNCTION if the 'file' is + actually a raw device, we choose to ignore that error if we are using + raw disks */ + + if (srv_start_raw_disk_in_use && GetLastError() + == ERROR_INVALID_FUNCTION) { + return(TRUE); + } + + os_file_handle_error(NULL, "flush"); + + /* It is a fatal error if a file flush does not succeed, because then + the database can get corrupt on disk */ + ut_error; + + return(FALSE); +#else + int ret; + +#if defined(HAVE_DARWIN_THREADS) +# ifndef F_FULLFSYNC + /* The following definition is from the Mac OS X 10.3 */ +# define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ +# elif F_FULLFSYNC != 51 +# error "F_FULLFSYNC != 51: ABI incompatibility with Mac OS X 10.3" +# endif + /* Apple has disabled fsync() for internal disk drives in OS X. That + caused corruption for a user when he tested a power outage. Let us in + OS X use a nonstandard flush method recommended by an Apple + engineer. */ + + if (!srv_have_fullfsync) { + /* If we are not on an operating system that supports this, + then fall back to a plain fsync. */ + + ret = os_file_fsync(file); + } else { + ret = fcntl(file, F_FULLFSYNC, NULL); + + if (ret) { + /* If we are not on a file system that supports this, + then fall back to a plain fsync. */ + ret = os_file_fsync(file); + } + } +#else + ret = os_file_fsync(file); +#endif + + if (ret == 0) { + return(TRUE); + } + + /* Since Linux returns EINVAL if the 'file' is actually a raw device, + we choose to ignore that error if we are using raw disks */ + + if (srv_start_raw_disk_in_use && errno == EINVAL) { + + return(TRUE); + } + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: the OS said file flush did not succeed\n"); + + os_file_handle_error(NULL, "flush"); + + /* It is a fatal error if a file flush does not succeed, because then + the database can get corrupt on disk */ + ut_error; + + return(FALSE); +#endif +} + +#ifndef __WIN__ +/*******************************************************************//** +Does a synchronous read operation in Posix. +@return number of bytes read, -1 if error */ +static +ssize_t +os_file_pread( +/*==========*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint n, /*!< in: number of bytes to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset from where to read */ + ulint offset_high) /*!< in: most significant 32 bits of + offset */ +{ + off_t offs; +#if defined(HAVE_PREAD) && !defined(HAVE_BROKEN_PREAD) + ssize_t n_bytes; +#endif /* HAVE_PREAD && !HAVE_BROKEN_PREAD */ + + ut_a((offset & 0xFFFFFFFFUL) == offset); + + /* If off_t is > 4 bytes in size, then we assume we can pass a + 64-bit address */ + + if (sizeof(off_t) > 4) { + offs = (off_t)offset + (((off_t)offset_high) << 32); + + } else { + offs = (off_t)offset; + + if (offset_high > 0) { + fprintf(stderr, + "InnoDB: Error: file read at offset > 4 GB\n"); + } + } + + os_n_file_reads++; + +#if defined(HAVE_PREAD) && !defined(HAVE_BROKEN_PREAD) + os_mutex_enter(os_file_count_mutex); + os_file_n_pending_preads++; + os_n_pending_reads++; + os_mutex_exit(os_file_count_mutex); + + n_bytes = pread(file, buf, (ssize_t)n, offs); + + os_mutex_enter(os_file_count_mutex); + os_file_n_pending_preads--; + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + return(n_bytes); +#else + { + off_t ret_offset; + ssize_t ret; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads++; + os_mutex_exit(os_file_count_mutex); + +#ifndef UNIV_HOTBACKUP + /* Protect the seek / read operation with a mutex */ + i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; + + os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + ret_offset = lseek(file, offs, SEEK_SET); + + if (ret_offset < 0) { + ret = -1; + } else { + ret = read(file, buf, (ssize_t)n); + } + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + return(ret); + } +#endif +} + +/*******************************************************************//** +Does a synchronous write operation in Posix. +@return number of bytes written, -1 if error */ +static +ssize_t +os_file_pwrite( +/*===========*/ + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from where to write */ + ulint n, /*!< in: number of bytes to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to write */ + ulint offset_high) /*!< in: most significant 32 bits of + offset */ +{ + ssize_t ret; + off_t offs; + + ut_a((offset & 0xFFFFFFFFUL) == offset); + + /* If off_t is > 4 bytes in size, then we assume we can pass a + 64-bit address */ + + if (sizeof(off_t) > 4) { + offs = (off_t)offset + (((off_t)offset_high) << 32); + } else { + offs = (off_t)offset; + + if (offset_high > 0) { + fprintf(stderr, + "InnoDB: Error: file write" + " at offset > 4 GB\n"); + } + } + + os_n_file_writes++; + +#if defined(HAVE_PWRITE) && !defined(HAVE_BROKEN_PREAD) + os_mutex_enter(os_file_count_mutex); + os_file_n_pending_pwrites++; + os_n_pending_writes++; + os_mutex_exit(os_file_count_mutex); + + ret = pwrite(file, buf, (ssize_t)n, offs); + + os_mutex_enter(os_file_count_mutex); + os_file_n_pending_pwrites--; + os_n_pending_writes--; + os_mutex_exit(os_file_count_mutex); + +# ifdef UNIV_DO_FLUSH + if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC + && srv_unix_file_flush_method != SRV_UNIX_NOSYNC + && !os_do_not_call_flush_at_each_write) { + + /* Always do fsync to reduce the probability that when + the OS crashes, a database page is only partially + physically written to disk. */ + + ut_a(TRUE == os_file_flush(file)); + } +# endif /* UNIV_DO_FLUSH */ + + return(ret); +#else + { + off_t ret_offset; +# ifndef UNIV_HOTBACKUP + ulint i; +# endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_writes++; + os_mutex_exit(os_file_count_mutex); + +# ifndef UNIV_HOTBACKUP + /* Protect the seek / write operation with a mutex */ + i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; + + os_mutex_enter(os_file_seek_mutexes[i]); +# endif /* UNIV_HOTBACKUP */ + + ret_offset = lseek(file, offs, SEEK_SET); + + if (ret_offset < 0) { + ret = -1; + + goto func_exit; + } + + ret = write(file, buf, (ssize_t)n); + +# ifdef UNIV_DO_FLUSH + if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC + && srv_unix_file_flush_method != SRV_UNIX_NOSYNC + && !os_do_not_call_flush_at_each_write) { + + /* Always do fsync to reduce the probability that when + the OS crashes, a database page is only partially + physically written to disk. */ + + ut_a(TRUE == os_file_flush(file)); + } +# endif /* UNIV_DO_FLUSH */ + +func_exit: +# ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +# endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_writes--; + os_mutex_exit(os_file_count_mutex); + + return(ret); + } +#endif +} +#endif + +/*******************************************************************//** +Requests a synchronous positioned read operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_read( +/*=========*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high, /*!< in: most significant 32 bits of + offset */ + ulint n) /*!< in: number of bytes to read */ +{ +#ifdef __WIN__ + BOOL ret; + DWORD len; + DWORD ret2; + DWORD low; + DWORD high; + ibool retry; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ + + ut_a((offset & 0xFFFFFFFFUL) == offset); + + os_n_file_reads++; + os_bytes_read_since_printout += n; + +try_again: + ut_ad(file); + ut_ad(buf); + ut_ad(n > 0); + + low = (DWORD) offset; + high = (DWORD) offset_high; + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads++; + os_mutex_exit(os_file_count_mutex); + +#ifndef UNIV_HOTBACKUP + /* Protect the seek / read operation with a mutex */ + i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; + + os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); + + if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + goto error_handling; + } + + ret = ReadFile(file, buf, (DWORD) n, &len, NULL); + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + if (ret && len == n) { + return(TRUE); + } +#else /* __WIN__ */ + ibool retry; + ssize_t ret; + + os_bytes_read_since_printout += n; + +try_again: + ret = os_file_pread(file, buf, n, offset, offset_high); + + if ((ulint)ret == n) { + + return(TRUE); + } + + fprintf(stderr, + "InnoDB: Error: tried to read %lu bytes at offset %lu %lu.\n" + "InnoDB: Was only able to read %ld.\n", + (ulong)n, (ulong)offset_high, + (ulong)offset, (long)ret); +#endif /* __WIN__ */ +#ifdef __WIN__ +error_handling: +#endif + retry = os_file_handle_error(NULL, "read"); + + if (retry) { + goto try_again; + } + + fprintf(stderr, + "InnoDB: Fatal error: cannot read from file." + " OS error number %lu.\n", +#ifdef __WIN__ + (ulong) GetLastError() +#else + (ulong) errno +#endif + ); + fflush(stderr); + + ut_error; + + return(FALSE); +} + +/*******************************************************************//** +Requests a synchronous positioned read operation. This function does not do +any error handling. In case of error it returns FALSE. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_read_no_error_handling( +/*===========================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high, /*!< in: most significant 32 bits of + offset */ + ulint n) /*!< in: number of bytes to read */ +{ +#ifdef __WIN__ + BOOL ret; + DWORD len; + DWORD ret2; + DWORD low; + DWORD high; + ibool retry; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ + + ut_a((offset & 0xFFFFFFFFUL) == offset); + + os_n_file_reads++; + os_bytes_read_since_printout += n; + +try_again: + ut_ad(file); + ut_ad(buf); + ut_ad(n > 0); + + low = (DWORD) offset; + high = (DWORD) offset_high; + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads++; + os_mutex_exit(os_file_count_mutex); + +#ifndef UNIV_HOTBACKUP + /* Protect the seek / read operation with a mutex */ + i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; + + os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); + + if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + goto error_handling; + } + + ret = ReadFile(file, buf, (DWORD) n, &len, NULL); + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_reads--; + os_mutex_exit(os_file_count_mutex); + + if (ret && len == n) { + return(TRUE); + } +#else /* __WIN__ */ + ibool retry; + ssize_t ret; + + os_bytes_read_since_printout += n; + +try_again: + ret = os_file_pread(file, buf, n, offset, offset_high); + + if ((ulint)ret == n) { + + return(TRUE); + } +#endif /* __WIN__ */ +#ifdef __WIN__ +error_handling: +#endif + retry = os_file_handle_error_no_exit(NULL, "read"); + + if (retry) { + goto try_again; + } + + return(FALSE); +} + +/*******************************************************************//** +Rewind file to its start, read at most size - 1 bytes from it to str, and +NUL-terminate str. All errors are silently ignored. This function is +mostly meant to be used with temporary files. */ +UNIV_INTERN +void +os_file_read_string( +/*================*/ + FILE* file, /*!< in: file to read from */ + char* str, /*!< in: buffer where to read */ + ulint size) /*!< in: size of buffer */ +{ + size_t flen; + + if (size == 0) { + return; + } + + rewind(file); + flen = fread(str, 1, size - 1, file); + str[flen] = '\0'; +} + +/*******************************************************************//** +Requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INTERN +ibool +os_file_write( +/*==========*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to write */ + ulint offset_high, /*!< in: most significant 32 bits of + offset */ + ulint n) /*!< in: number of bytes to write */ +{ +#ifdef __WIN__ + BOOL ret; + DWORD len; + DWORD ret2; + DWORD low; + DWORD high; + ulint n_retries = 0; + ulint err; +#ifndef UNIV_HOTBACKUP + ulint i; +#endif /* !UNIV_HOTBACKUP */ + + ut_a((offset & 0xFFFFFFFF) == offset); + + os_n_file_writes++; + + ut_ad(file); + ut_ad(buf); + ut_ad(n > 0); +retry: + low = (DWORD) offset; + high = (DWORD) offset_high; + + os_mutex_enter(os_file_count_mutex); + os_n_pending_writes++; + os_mutex_exit(os_file_count_mutex); + +#ifndef UNIV_HOTBACKUP + /* Protect the seek / write operation with a mutex */ + i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; + + os_mutex_enter(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); + + if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_writes--; + os_mutex_exit(os_file_count_mutex); + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: File pointer positioning to" + " file %s failed at\n" + "InnoDB: offset %lu %lu. Operating system" + " error number %lu.\n" + "InnoDB: Some operating system error numbers" + " are described at\n" + "InnoDB: " + REFMAN "operating-system-error-codes.html\n", + name, (ulong) offset_high, (ulong) offset, + (ulong) GetLastError()); + + return(FALSE); + } + + ret = WriteFile(file, buf, (DWORD) n, &len, NULL); + + /* Always do fsync to reduce the probability that when the OS crashes, + a database page is only partially physically written to disk. */ + +# ifdef UNIV_DO_FLUSH + if (!os_do_not_call_flush_at_each_write) { + ut_a(TRUE == os_file_flush(file)); + } +# endif /* UNIV_DO_FLUSH */ + +#ifndef UNIV_HOTBACKUP + os_mutex_exit(os_file_seek_mutexes[i]); +#endif /* !UNIV_HOTBACKUP */ + + os_mutex_enter(os_file_count_mutex); + os_n_pending_writes--; + os_mutex_exit(os_file_count_mutex); + + if (ret && len == n) { + + return(TRUE); + } + + /* If some background file system backup tool is running, then, at + least in Windows 2000, we may get here a specific error. Let us + retry the operation 100 times, with 1 second waits. */ + + if (GetLastError() == ERROR_LOCK_VIOLATION && n_retries < 100) { + + os_thread_sleep(1000000); + + n_retries++; + + goto retry; + } + + if (!os_has_said_disk_full) { + + err = (ulint)GetLastError(); + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: Write to file %s failed" + " at offset %lu %lu.\n" + "InnoDB: %lu bytes should have been written," + " only %lu were written.\n" + "InnoDB: Operating system error number %lu.\n" + "InnoDB: Check that your OS and file system" + " support files of this size.\n" + "InnoDB: Check also that the disk is not full" + " or a disk quota exceeded.\n", + name, (ulong) offset_high, (ulong) offset, + (ulong) n, (ulong) len, (ulong) err); + + if (strerror((int)err) != NULL) { + fprintf(stderr, + "InnoDB: Error number %lu means '%s'.\n", + (ulong) err, strerror((int)err)); + } + + fprintf(stderr, + "InnoDB: Some operating system error numbers" + " are described at\n" + "InnoDB: " + REFMAN "operating-system-error-codes.html\n"); + + os_has_said_disk_full = TRUE; + } + + return(FALSE); +#else + ssize_t ret; + + ret = os_file_pwrite(file, buf, n, offset, offset_high); + + if ((ulint)ret == n) { + + return(TRUE); + } + + if (!os_has_said_disk_full) { + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: Write to file %s failed" + " at offset %lu %lu.\n" + "InnoDB: %lu bytes should have been written," + " only %ld were written.\n" + "InnoDB: Operating system error number %lu.\n" + "InnoDB: Check that your OS and file system" + " support files of this size.\n" + "InnoDB: Check also that the disk is not full" + " or a disk quota exceeded.\n", + name, offset_high, offset, n, (long int)ret, + (ulint)errno); + if (strerror(errno) != NULL) { + fprintf(stderr, + "InnoDB: Error number %lu means '%s'.\n", + (ulint)errno, strerror(errno)); + } + + fprintf(stderr, + "InnoDB: Some operating system error numbers" + " are described at\n" + "InnoDB: " + REFMAN "operating-system-error-codes.html\n"); + + os_has_said_disk_full = TRUE; + } + + return(FALSE); +#endif +} + +/*******************************************************************//** +Check the existence and type of the given file. +@return TRUE if call succeeded */ +UNIV_INTERN +ibool +os_file_status( +/*===========*/ + const char* path, /*!< in: pathname of the file */ + ibool* exists, /*!< out: TRUE if file exists */ + os_file_type_t* type) /*!< out: type of the file (if it exists) */ +{ +#ifdef __WIN__ + int ret; + struct _stat statinfo; + + ret = _stat(path, &statinfo); + if (ret && (errno == ENOENT || errno == ENOTDIR)) { + /* file does not exist */ + *exists = FALSE; + return(TRUE); + } else if (ret) { + /* file exists, but stat call failed */ + + os_file_handle_error_no_exit(path, "stat"); + + return(FALSE); + } + + if (_S_IFDIR & statinfo.st_mode) { + *type = OS_FILE_TYPE_DIR; + } else if (_S_IFREG & statinfo.st_mode) { + *type = OS_FILE_TYPE_FILE; + } else { + *type = OS_FILE_TYPE_UNKNOWN; + } + + *exists = TRUE; + + return(TRUE); +#else + int ret; + struct stat statinfo; + + ret = stat(path, &statinfo); + if (ret && (errno == ENOENT || errno == ENOTDIR)) { + /* file does not exist */ + *exists = FALSE; + return(TRUE); + } else if (ret) { + /* file exists, but stat call failed */ + + os_file_handle_error_no_exit(path, "stat"); + + return(FALSE); + } + + if (S_ISDIR(statinfo.st_mode)) { + *type = OS_FILE_TYPE_DIR; + } else if (S_ISLNK(statinfo.st_mode)) { + *type = OS_FILE_TYPE_LINK; + } else if (S_ISREG(statinfo.st_mode)) { + *type = OS_FILE_TYPE_FILE; + } else { + *type = OS_FILE_TYPE_UNKNOWN; + } + + *exists = TRUE; + + return(TRUE); +#endif +} + +/*******************************************************************//** +This function returns information about the specified file +@return TRUE if stat information found */ +UNIV_INTERN +ibool +os_file_get_status( +/*===============*/ + const char* path, /*!< in: pathname of the file */ + os_file_stat_t* stat_info) /*!< information of a file in a + directory */ +{ +#ifdef __WIN__ + int ret; + struct _stat statinfo; + + ret = _stat(path, &statinfo); + if (ret && (errno == ENOENT || errno == ENOTDIR)) { + /* file does not exist */ + + return(FALSE); + } else if (ret) { + /* file exists, but stat call failed */ + + os_file_handle_error_no_exit(path, "stat"); + + return(FALSE); + } + if (_S_IFDIR & statinfo.st_mode) { + stat_info->type = OS_FILE_TYPE_DIR; + } else if (_S_IFREG & statinfo.st_mode) { + stat_info->type = OS_FILE_TYPE_FILE; + } else { + stat_info->type = OS_FILE_TYPE_UNKNOWN; + } + + stat_info->ctime = statinfo.st_ctime; + stat_info->atime = statinfo.st_atime; + stat_info->mtime = statinfo.st_mtime; + stat_info->size = statinfo.st_size; + + return(TRUE); +#else + int ret; + struct stat statinfo; + + ret = stat(path, &statinfo); + + if (ret && (errno == ENOENT || errno == ENOTDIR)) { + /* file does not exist */ + + return(FALSE); + } else if (ret) { + /* file exists, but stat call failed */ + + os_file_handle_error_no_exit(path, "stat"); + + return(FALSE); + } + + if (S_ISDIR(statinfo.st_mode)) { + stat_info->type = OS_FILE_TYPE_DIR; + } else if (S_ISLNK(statinfo.st_mode)) { + stat_info->type = OS_FILE_TYPE_LINK; + } else if (S_ISREG(statinfo.st_mode)) { + stat_info->type = OS_FILE_TYPE_FILE; + } else { + stat_info->type = OS_FILE_TYPE_UNKNOWN; + } + + stat_info->ctime = statinfo.st_ctime; + stat_info->atime = statinfo.st_atime; + stat_info->mtime = statinfo.st_mtime; + stat_info->size = statinfo.st_size; + + return(TRUE); +#endif +} + +/* path name separator character */ +#ifdef __WIN__ +# define OS_FILE_PATH_SEPARATOR '\\' +#else +# define OS_FILE_PATH_SEPARATOR '/' +#endif + +/****************************************************************//** +The function os_file_dirname returns a directory component of a +null-terminated pathname string. In the usual case, dirname returns +the string up to, but not including, the final '/', and basename +is the component following the final '/'. Trailing '/' charac­ +ters are not counted as part of the pathname. + +If path does not contain a slash, dirname returns the string ".". + +Concatenating the string returned by dirname, a "/", and the basename +yields a complete pathname. + +The return value is a copy of the directory component of the pathname. +The copy is allocated from heap. It is the caller responsibility +to free it after it is no longer needed. + +The following list of examples (taken from SUSv2) shows the strings +returned by dirname and basename for different paths: + + path dirname basename + "/usr/lib" "/usr" "lib" + "/usr/" "/" "usr" + "usr" "." "usr" + "/" "/" "/" + "." "." "." + ".." "." ".." + +@return own: directory component of the pathname */ +UNIV_INTERN +char* +os_file_dirname( +/*============*/ + const char* path) /*!< in: pathname */ +{ + /* Find the offset of the last slash */ + const char* last_slash = strrchr(path, OS_FILE_PATH_SEPARATOR); + if (!last_slash) { + /* No slash in the path, return "." */ + + return(mem_strdup(".")); + } + + /* Ok, there is a slash */ + + if (last_slash == path) { + /* last slash is the first char of the path */ + + return(mem_strdup("/")); + } + + /* Non-trivial directory component */ + + return(mem_strdupl(path, last_slash - path)); +} + +/****************************************************************//** +Creates all missing subdirectories along the given path. +@return TRUE if call succeeded FALSE otherwise */ +UNIV_INTERN +ibool +os_file_create_subdirs_if_needed( +/*=============================*/ + const char* path) /*!< in: path name */ +{ + char* subdir; + ibool success, subdir_exists; + os_file_type_t type; + + subdir = os_file_dirname(path); + if (strlen(subdir) == 1 + && (*subdir == OS_FILE_PATH_SEPARATOR || *subdir == '.')) { + /* subdir is root or cwd, nothing to do */ + mem_free(subdir); + + return(TRUE); + } + + /* Test if subdir exists */ + success = os_file_status(subdir, &subdir_exists, &type); + if (success && !subdir_exists) { + /* subdir does not exist, create it */ + success = os_file_create_subdirs_if_needed(subdir); + if (!success) { + mem_free(subdir); + + return(FALSE); + } + success = os_file_create_directory(subdir, FALSE); + } + + mem_free(subdir); + + return(success); +} + +#ifndef UNIV_HOTBACKUP +/****************************************************************//** +Returns a pointer to the nth slot in the aio array. +@return pointer to slot */ +static +os_aio_slot_t* +os_aio_array_get_nth_slot( +/*======================*/ + os_aio_array_t* array, /*!< in: aio array */ + ulint index) /*!< in: index of the slot */ +{ + ut_a(index < array->n_slots); + + return((array->slots) + index); +} + +#if defined(LINUX_NATIVE_AIO) +/******************************************************************//** +Creates an io_context for native linux AIO. +@return TRUE on success. */ +static +ibool +os_aio_linux_create_io_ctx( +/*=======================*/ + ulint max_events, /*!< in: number of events. */ + io_context_t* io_ctx) /*!< out: io_ctx to initialize. */ +{ + int ret; + ulint retries = 0; + +retry: + memset(io_ctx, 0x0, sizeof(*io_ctx)); + + /* Initialize the io_ctx. Tell it how many pending + IO requests this context will handle. */ + + ret = io_setup(max_events, io_ctx); + if (ret == 0) { +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "InnoDB: Linux native AIO:" + " initialized io_ctx for segment\n"); +#endif + /* Success. Return now. */ + return(TRUE); + } + + /* If we hit EAGAIN we'll make a few attempts before failing. */ + + switch (ret) { + case -EAGAIN: + if (retries == 0) { + /* First time around. */ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: io_setup() failed" + " with EAGAIN. Will make %d attempts" + " before giving up.\n", + OS_AIO_IO_SETUP_RETRY_ATTEMPTS); + } + + if (retries < OS_AIO_IO_SETUP_RETRY_ATTEMPTS) { + ++retries; + fprintf(stderr, + "InnoDB: Warning: io_setup() attempt" + " %lu failed.\n", + retries); + os_thread_sleep(OS_AIO_IO_SETUP_RETRY_SLEEP); + goto retry; + } + + /* Have tried enough. Better call it a day. */ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: io_setup() failed" + " with EAGAIN after %d attempts.\n", + OS_AIO_IO_SETUP_RETRY_ATTEMPTS); + break; + + case -ENOSYS: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: Linux Native AIO interface" + " is not supported on this platform. Please" + " check your OS documentation and install" + " appropriate binary of InnoDB.\n"); + + break; + + default: + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: Linux Native AIO setup" + " returned following error[%d]\n", -ret); + break; + } + + fprintf(stderr, + "InnoDB: You can disable Linux Native AIO by" + " setting innodb_native_aio = off in my.cnf\n"); + return(FALSE); +} +#endif /* LINUX_NATIVE_AIO */ + +/******************************************************************//** +Creates an aio wait array. Note that we return NULL in case of failure. +We don't care about freeing memory here because we assume that a +failure will result in server refusing to start up. +@return own: aio array, NULL on failure */ +static +os_aio_array_t* +os_aio_array_create( +/*================*/ + ulint n, /*!< in: maximum number of pending aio + operations allowed; n must be + divisible by n_segments */ + ulint n_segments) /*!< in: number of segments in the aio array */ +{ + os_aio_array_t* array; + ulint i; + os_aio_slot_t* slot; +#ifdef WIN_ASYNC_IO + OVERLAPPED* over; +#elif defined(LINUX_NATIVE_AIO) + struct io_event* io_event = NULL; +#endif + ut_a(n > 0); + ut_a(n_segments > 0); + + array = ut_malloc(sizeof(os_aio_array_t)); + + array->mutex = os_mutex_create(NULL); + array->not_full = os_event_create(NULL); + array->is_empty = os_event_create(NULL); + + os_event_set(array->is_empty); + + array->n_slots = n; + array->n_segments = n_segments; + array->n_reserved = 0; + array->cur_seg = 0; + array->slots = ut_malloc(n * sizeof(os_aio_slot_t)); +#ifdef __WIN__ + array->native_events = ut_malloc(n * sizeof(os_native_event_t)); +#endif + +#if defined(LINUX_NATIVE_AIO) + /* If we are not using native aio interface then skip this + part of initialization. */ + if (!srv_use_native_aio) { + goto skip_native_aio; + } + + /* Initialize the io_context array. One io_context + per segment in the array. */ + + array->aio_ctx = ut_malloc(n_segments * + sizeof(*array->aio_ctx)); + for (i = 0; i < n_segments; ++i) { + if (!os_aio_linux_create_io_ctx(n/n_segments, + &array->aio_ctx[i])) { + /* If something bad happened during aio setup + we should call it a day and return right away. + We don't care about any leaks because a failure + to initialize the io subsystem means that the + server (or atleast the innodb storage engine) + is not going to startup. */ + return(NULL); + } + } + + /* Initialize the event array. One event per slot. */ + io_event = ut_malloc(n * sizeof(*io_event)); + memset(io_event, 0x0, sizeof(*io_event) * n); + array->aio_events = io_event; + +skip_native_aio: +#endif /* LINUX_NATIVE_AIO */ + for (i = 0; i < n; i++) { + slot = os_aio_array_get_nth_slot(array, i); + + slot->pos = i; + slot->reserved = FALSE; +#ifdef WIN_ASYNC_IO + slot->event = os_event_create(NULL); + + over = &(slot->control); + + over->hEvent = slot->event->handle; + + *((array->native_events) + i) = over->hEvent; + +#elif defined(LINUX_NATIVE_AIO) + + memset(&slot->control, 0x0, sizeof(slot->control)); + slot->n_bytes = 0; + slot->ret = 0; +#endif + } + + return(array); +} + +/************************************************************************//** +Frees an aio wait array. */ +static +void +os_aio_array_free( +/*==============*/ + os_aio_array_t* array) /*!< in, own: array to free */ +{ +#ifdef WIN_ASYNC_IO + ulint i; + + for (i = 0; i < array->n_slots; i++) { + os_aio_slot_t* slot = os_aio_array_get_nth_slot(array, i); + os_event_free(slot->event); + } +#endif /* WIN_ASYNC_IO */ + +#ifdef __WIN__ + ut_free(array->native_events); +#endif /* __WIN__ */ + os_mutex_free(array->mutex); + os_event_free(array->not_full); + os_event_free(array->is_empty); + + ut_free(array->slots); + ut_free(array); +} + +/*********************************************************************** +Initializes the asynchronous io system. Creates one array each for ibuf +and log i/o. Also creates one array each for read and write where each +array is divided logically into n_read_segs and n_write_segs +respectively. The caller must create an i/o handler thread for each +segment in these arrays. This function also creates the sync array. +No i/o handler thread needs to be created for that */ +UNIV_INTERN +ibool +os_aio_init( +/*========*/ + ulint n_per_seg, /*= 4); + + os_io_init_simple(); + + for (i = 0; i < n_segments; i++) { + srv_set_io_thread_op_info(i, "not started yet"); + } + + + /* fprintf(stderr, "Array n per seg %lu\n", n_per_seg); */ + + os_aio_ibuf_array = os_aio_array_create(n_per_seg, 1); + if (os_aio_ibuf_array == NULL) { + goto err_exit; + } + + srv_io_thread_function[0] = "insert buffer thread"; + + os_aio_log_array = os_aio_array_create(n_per_seg, 1); + if (os_aio_log_array == NULL) { + goto err_exit; + } + + srv_io_thread_function[1] = "log thread"; + + os_aio_read_array = os_aio_array_create(n_read_segs * n_per_seg, + n_read_segs); + if (os_aio_read_array == NULL) { + goto err_exit; + } + + for (i = 2; i < 2 + n_read_segs; i++) { + ut_a(i < SRV_MAX_N_IO_THREADS); + srv_io_thread_function[i] = "read thread"; + } + + os_aio_write_array = os_aio_array_create(n_write_segs * n_per_seg, + n_write_segs); + if (os_aio_write_array == NULL) { + goto err_exit; + } + + for (i = 2 + n_read_segs; i < n_segments; i++) { + ut_a(i < SRV_MAX_N_IO_THREADS); + srv_io_thread_function[i] = "write thread"; + } + + os_aio_sync_array = os_aio_array_create(n_slots_sync, 1); + if (os_aio_sync_array == NULL) { + goto err_exit; + } + + + os_aio_n_segments = n_segments; + + os_aio_validate(); + + os_aio_segment_wait_events = ut_malloc(n_segments * sizeof(void*)); + + for (i = 0; i < n_segments; i++) { + os_aio_segment_wait_events[i] = os_event_create(NULL); + } + + os_last_printout = time(NULL); + + return(TRUE); + +err_exit: + return(FALSE); + +} + +/*********************************************************************** +Frees the asynchronous io system. */ +UNIV_INTERN +void +os_aio_free(void) +/*=============*/ +{ + ulint i; + + os_aio_array_free(os_aio_ibuf_array); + os_aio_ibuf_array = NULL; + os_aio_array_free(os_aio_log_array); + os_aio_log_array = NULL; + os_aio_array_free(os_aio_read_array); + os_aio_read_array = NULL; + os_aio_array_free(os_aio_write_array); + os_aio_write_array = NULL; + os_aio_array_free(os_aio_sync_array); + os_aio_sync_array = NULL; + + for (i = 0; i < os_aio_n_segments; i++) { + os_event_free(os_aio_segment_wait_events[i]); + } + + ut_free(os_aio_segment_wait_events); + os_aio_segment_wait_events = 0; + os_aio_n_segments = 0; +} + +#ifdef WIN_ASYNC_IO +/************************************************************************//** +Wakes up all async i/o threads in the array in Windows async i/o at +shutdown. */ +static +void +os_aio_array_wake_win_aio_at_shutdown( +/*==================================*/ + os_aio_array_t* array) /*!< in: aio array */ +{ + ulint i; + + for (i = 0; i < array->n_slots; i++) { + + os_event_set((array->slots + i)->event); + } +} +#endif + +/************************************************************************//** +Wakes up all async i/o threads so that they know to exit themselves in +shutdown. */ +UNIV_INTERN +void +os_aio_wake_all_threads_at_shutdown(void) +/*=====================================*/ +{ + ulint i; + +#ifdef WIN_ASYNC_IO + /* This code wakes up all ai/o threads in Windows native aio */ + os_aio_array_wake_win_aio_at_shutdown(os_aio_read_array); + os_aio_array_wake_win_aio_at_shutdown(os_aio_write_array); + os_aio_array_wake_win_aio_at_shutdown(os_aio_ibuf_array); + os_aio_array_wake_win_aio_at_shutdown(os_aio_log_array); + +#elif defined(LINUX_NATIVE_AIO) + + /* When using native AIO interface the io helper threads + wait on io_getevents with a timeout value of 500ms. At + each wake up these threads check the server status. + No need to do anything to wake them up. */ + + if (srv_use_native_aio) { + return; + } + /* Fall through to simulated AIO handler wakeup if we are + not using native AIO. */ +#endif + /* This loop wakes up all simulated ai/o threads */ + + for (i = 0; i < os_aio_n_segments; i++) { + + os_event_set(os_aio_segment_wait_events[i]); + } +} + +/************************************************************************//** +Waits until there are no pending writes in os_aio_write_array. There can +be other, synchronous, pending writes. */ +UNIV_INTERN +void +os_aio_wait_until_no_pending_writes(void) +/*=====================================*/ +{ + os_event_wait(os_aio_write_array->is_empty); +} + +/**********************************************************************//** +Calculates segment number for a slot. +@return segment number (which is the number used by, for example, +i/o-handler threads) */ +static +ulint +os_aio_get_segment_no_from_slot( +/*============================*/ + os_aio_array_t* array, /*!< in: aio wait array */ + os_aio_slot_t* slot) /*!< in: slot in this array */ +{ + ulint segment; + ulint seg_len; + + if (array == os_aio_ibuf_array) { + segment = 0; + + } else if (array == os_aio_log_array) { + segment = 1; + + } else if (array == os_aio_read_array) { + seg_len = os_aio_read_array->n_slots + / os_aio_read_array->n_segments; + + segment = 2 + slot->pos / seg_len; + } else { + ut_a(array == os_aio_write_array); + seg_len = os_aio_write_array->n_slots + / os_aio_write_array->n_segments; + + segment = os_aio_read_array->n_segments + 2 + + slot->pos / seg_len; + } + + return(segment); +} + +/**********************************************************************//** +Calculates local segment number and aio array from global segment number. +@return local segment number within the aio array */ +static +ulint +os_aio_get_array_and_local_segment( +/*===============================*/ + os_aio_array_t** array, /*!< out: aio wait array */ + ulint global_segment)/*!< in: global segment number */ +{ + ulint segment; + + ut_a(global_segment < os_aio_n_segments); + + if (global_segment == 0) { + *array = os_aio_ibuf_array; + segment = 0; + + } else if (global_segment == 1) { + *array = os_aio_log_array; + segment = 0; + + } else if (global_segment < os_aio_read_array->n_segments + 2) { + *array = os_aio_read_array; + + segment = global_segment - 2; + } else { + *array = os_aio_write_array; + + segment = global_segment - (os_aio_read_array->n_segments + 2); + } + + return(segment); +} + +/*******************************************************************//** +Requests for a slot in the aio array. If no slot is available, waits until +not_full-event becomes signaled. +@return pointer to slot */ +static +os_aio_slot_t* +os_aio_array_reserve_slot( +/*======================*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + os_aio_array_t* array, /*!< in: aio array */ + fil_node_t* message1,/*!< in: message to be passed along with + the aio operation */ + void* message2,/*!< in: message to be passed along with + the aio operation */ + os_file_t file, /*!< in: file handle */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + void* buf, /*!< in: buffer where to read or from which + to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset */ + ulint offset_high, /*!< in: most significant 32 bits of + offset */ + ulint len) /*!< in: length of the block to read or write */ +{ + os_aio_slot_t* slot = NULL; +#ifdef WIN_ASYNC_IO + OVERLAPPED* control; + +#elif defined(LINUX_NATIVE_AIO) + + struct iocb* iocb; + off_t aio_offset; + +#endif + ulint i; + ulint counter; + ulint slots_per_seg; + ulint local_seg; + + /* No need of a mutex. Only reading constant fields */ + slots_per_seg = array->n_slots / array->n_segments; + + /* We attempt to keep adjacent blocks in the same local + segment. This can help in merging IO requests when we are + doing simulated AIO */ + local_seg = (offset >> (UNIV_PAGE_SIZE_SHIFT + 6)) + % array->n_segments; + +loop: + os_mutex_enter(array->mutex); + + if (array->n_reserved == array->n_slots) { + os_mutex_exit(array->mutex); + + if (!srv_use_native_aio) { + /* If the handler threads are suspended, wake them + so that we get more slots */ + + os_aio_simulated_wake_handler_threads(); + } + + os_event_wait(array->not_full); + + goto loop; + } + + /* We start our search for an available slot from our preferred + local segment and do a full scan of the array. We are + guaranteed to find a slot in full scan. */ + for (i = local_seg * slots_per_seg, counter = 0; + counter < array->n_slots; i++, counter++) { + + i %= array->n_slots; + slot = os_aio_array_get_nth_slot(array, i); + + if (slot->reserved == FALSE) { + goto found; + } + } + + /* We MUST always be able to get hold of a reserved slot. */ + ut_error; + +found: + ut_a(slot->reserved == FALSE); + array->n_reserved++; + + if (array->n_reserved == 1) { + os_event_reset(array->is_empty); + } + + if (array->n_reserved == array->n_slots) { + os_event_reset(array->not_full); + } + + slot->reserved = TRUE; + slot->reservation_time = time(NULL); + slot->message1 = message1; + slot->message2 = message2; + slot->file = file; + slot->name = name; + slot->len = len; + slot->type = type; + slot->buf = buf; + slot->offset = offset; + slot->offset_high = offset_high; + slot->io_already_done = FALSE; + +#ifdef WIN_ASYNC_IO + control = &(slot->control); + control->Offset = (DWORD)offset; + control->OffsetHigh = (DWORD)offset_high; + os_event_reset(slot->event); + +#elif defined(LINUX_NATIVE_AIO) + + /* If we are not using native AIO skip this part. */ + if (!srv_use_native_aio) { + goto skip_native_aio; + } + + /* Check if we are dealing with 64 bit arch. + If not then make sure that offset fits in 32 bits. */ + if (sizeof(aio_offset) == 8) { + aio_offset = offset_high; + aio_offset <<= 32; + aio_offset += offset; + } else { + ut_a(offset_high == 0); + aio_offset = offset; + } + + iocb = &slot->control; + + if (type == OS_FILE_READ) { + io_prep_pread(iocb, file, buf, len, aio_offset); + } else { + ut_a(type == OS_FILE_WRITE); + io_prep_pwrite(iocb, file, buf, len, aio_offset); + } + + iocb->data = (void*)slot; + slot->n_bytes = 0; + slot->ret = 0; + /*fprintf(stderr, "Filled up Linux native iocb.\n");*/ + + +skip_native_aio: +#endif /* LINUX_NATIVE_AIO */ + os_mutex_exit(array->mutex); + + return(slot); +} + +/*******************************************************************//** +Frees a slot in the aio array. */ +static +void +os_aio_array_free_slot( +/*===================*/ + os_aio_array_t* array, /*!< in: aio array */ + os_aio_slot_t* slot) /*!< in: pointer to slot */ +{ + ut_ad(array); + ut_ad(slot); + + os_mutex_enter(array->mutex); + + ut_ad(slot->reserved); + + slot->reserved = FALSE; + + array->n_reserved--; + + if (array->n_reserved == array->n_slots - 1) { + os_event_set(array->not_full); + } + + if (array->n_reserved == 0) { + os_event_set(array->is_empty); + } + +#ifdef WIN_ASYNC_IO + + os_event_reset(slot->event); + +#elif defined(LINUX_NATIVE_AIO) + + if (srv_use_native_aio) { + memset(&slot->control, 0x0, sizeof(slot->control)); + slot->n_bytes = 0; + slot->ret = 0; + /*fprintf(stderr, "Freed up Linux native slot.\n");*/ + } else { + /* These fields should not be used if we are not + using native AIO. */ + ut_ad(slot->n_bytes == 0); + ut_ad(slot->ret == 0); + } + +#endif + os_mutex_exit(array->mutex); +} + +/**********************************************************************//** +Wakes up a simulated aio i/o-handler thread if it has something to do. */ +static +void +os_aio_simulated_wake_handler_thread( +/*=================================*/ + ulint global_segment) /*!< in: the number of the segment in the aio + arrays */ +{ + os_aio_array_t* array; + os_aio_slot_t* slot; + ulint segment; + ulint n; + ulint i; + + ut_ad(!srv_use_native_aio); + + segment = os_aio_get_array_and_local_segment(&array, global_segment); + + n = array->n_slots / array->n_segments; + + /* Look through n slots after the segment * n'th slot */ + + os_mutex_enter(array->mutex); + + for (i = 0; i < n; i++) { + slot = os_aio_array_get_nth_slot(array, i + segment * n); + + if (slot->reserved) { + /* Found an i/o request */ + + break; + } + } + + os_mutex_exit(array->mutex); + + if (i < n) { + os_event_set(os_aio_segment_wait_events[global_segment]); + } +} + +/**********************************************************************//** +Wakes up simulated aio i/o-handler threads if they have something to do. */ +UNIV_INTERN +void +os_aio_simulated_wake_handler_threads(void) +/*=======================================*/ +{ + ulint i; + + if (srv_use_native_aio) { + /* We do not use simulated aio: do nothing */ + + return; + } + + os_aio_recommend_sleep_for_read_threads = FALSE; + + for (i = 0; i < os_aio_n_segments; i++) { + os_aio_simulated_wake_handler_thread(i); + } +} + +/**********************************************************************//** +This function can be called if one wants to post a batch of reads and +prefers an i/o-handler thread to handle them all at once later. You must +call os_aio_simulated_wake_handler_threads later to ensure the threads +are not left sleeping! */ +UNIV_INTERN +void +os_aio_simulated_put_read_threads_to_sleep(void) +/*============================================*/ +{ + +/* The idea of putting background IO threads to sleep is only for +Windows when using simulated AIO. Windows XP seems to schedule +background threads too eagerly to allow for coalescing during +readahead requests. */ +#ifdef __WIN__ + os_aio_array_t* array; + ulint g; + + if (srv_use_native_aio) { + /* We do not use simulated aio: do nothing */ + + return; + } + + os_aio_recommend_sleep_for_read_threads = TRUE; + + for (g = 0; g < os_aio_n_segments; g++) { + os_aio_get_array_and_local_segment(&array, g); + + if (array == os_aio_read_array) { + + os_event_reset(os_aio_segment_wait_events[g]); + } + } +#endif /* __WIN__ */ +} + +#if defined(LINUX_NATIVE_AIO) +/*******************************************************************//** +Dispatch an AIO request to the kernel. +@return TRUE on success. */ +static +ibool +os_aio_linux_dispatch( +/*==================*/ + os_aio_array_t* array, /*!< in: io request array. */ + os_aio_slot_t* slot) /*!< in: an already reserved slot. */ +{ + int ret; + ulint io_ctx_index; + struct iocb* iocb; + + ut_ad(slot != NULL); + ut_ad(array); + + ut_a(slot->reserved); + + /* Find out what we are going to work with. + The iocb struct is directly in the slot. + The io_context is one per segment. */ + + iocb = &slot->control; + io_ctx_index = (slot->pos * array->n_segments) / array->n_slots; + + ret = io_submit(array->aio_ctx[io_ctx_index], 1, &iocb); + +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "io_submit[%c] ret[%d]: slot[%p] ctx[%p] seg[%lu]\n", + (slot->type == OS_FILE_WRITE) ? 'w' : 'r', ret, slot, + array->aio_ctx[io_ctx_index], (ulong)io_ctx_index); +#endif + + /* io_submit returns number of successfully + queued requests or -errno. */ + if (UNIV_UNLIKELY(ret != 1)) { + errno = -ret; + return(FALSE); + } + + return(TRUE); +} +#endif /* LINUX_NATIVE_AIO */ + + +/*******************************************************************//** +Requests an asynchronous i/o operation. +@return TRUE if request was queued successfully, FALSE if fail */ +UNIV_INTERN +ibool +os_aio( +/*===*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed + to OS_AIO_SIMULATED_WAKE_LATER: the + last flag advises this function not to wake + i/o-handler threads, but the caller will + do the waking explicitly later, in this + way the caller can post several requests in + a batch; NOTE that the batch must not be + so big that it exhausts the slots in aio + arrays! NOTE that a simulated batch + may introduce hidden chances of deadlocks, + because i/os are not actually handled until + all have been posted: use with great + caution! */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read or from which + to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read or write */ + ulint offset_high, /*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read or write */ + fil_node_t* message1,/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + void* message2)/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ +{ + os_aio_array_t* array; + os_aio_slot_t* slot; +#ifdef WIN_ASYNC_IO + ibool retval; + BOOL ret = TRUE; + DWORD len = (DWORD) n; + struct fil_node_struct * dummy_mess1; + void* dummy_mess2; + ulint dummy_type; +#endif /* WIN_ASYNC_IO */ + ibool retry; + ulint wake_later; + + ut_ad(file); + ut_ad(buf); + ut_ad(n > 0); + ut_ad(n % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_ad(offset % OS_FILE_LOG_BLOCK_SIZE == 0); + ut_ad(os_aio_validate()); + + wake_later = mode & OS_AIO_SIMULATED_WAKE_LATER; + mode = mode & (~OS_AIO_SIMULATED_WAKE_LATER); + + if (mode == OS_AIO_SYNC +#ifdef WIN_ASYNC_IO + && !srv_use_native_aio +#endif /* WIN_ASYNC_IO */ + ) { + /* This is actually an ordinary synchronous read or write: + no need to use an i/o-handler thread. NOTE that if we use + Windows async i/o, Windows does not allow us to use + ordinary synchronous os_file_read etc. on the same file, + therefore we have built a special mechanism for synchronous + wait in the Windows case. */ + + if (type == OS_FILE_READ) { + return(os_file_read(file, buf, offset, + offset_high, n)); + } + + ut_a(type == OS_FILE_WRITE); + + return(os_file_write(name, file, buf, offset, offset_high, n)); + } + +try_again: + if (mode == OS_AIO_NORMAL) { + if (type == OS_FILE_READ) { + array = os_aio_read_array; + } else { + array = os_aio_write_array; + } + } else if (mode == OS_AIO_IBUF) { + ut_ad(type == OS_FILE_READ); + /* Reduce probability of deadlock bugs in connection with ibuf: + do not let the ibuf i/o handler sleep */ + + wake_later = FALSE; + + array = os_aio_ibuf_array; + } else if (mode == OS_AIO_LOG) { + + array = os_aio_log_array; + } else if (mode == OS_AIO_SYNC) { + array = os_aio_sync_array; + +#if defined(LINUX_NATIVE_AIO) + /* In Linux native AIO we don't use sync IO array. */ + ut_a(!srv_use_native_aio); +#endif /* LINUX_NATIVE_AIO */ + } else { + array = NULL; /* Eliminate compiler warning */ + ut_error; + } + + slot = os_aio_array_reserve_slot(type, array, message1, message2, file, + name, buf, offset, offset_high, n); + if (type == OS_FILE_READ) { + if (srv_use_native_aio) { + os_n_file_reads++; + os_bytes_read_since_printout += n; +#ifdef WIN_ASYNC_IO + ret = ReadFile(file, buf, (DWORD)n, &len, + &(slot->control)); + +#elif defined(LINUX_NATIVE_AIO) + if (!os_aio_linux_dispatch(array, slot)) { + goto err_exit; + } +#endif + } else { + if (!wake_later) { + os_aio_simulated_wake_handler_thread( + os_aio_get_segment_no_from_slot( + array, slot)); + } + } + } else if (type == OS_FILE_WRITE) { + if (srv_use_native_aio) { + os_n_file_writes++; +#ifdef WIN_ASYNC_IO + ret = WriteFile(file, buf, (DWORD)n, &len, + &(slot->control)); + +#elif defined(LINUX_NATIVE_AIO) + if (!os_aio_linux_dispatch(array, slot)) { + goto err_exit; + } +#endif + } else { + if (!wake_later) { + os_aio_simulated_wake_handler_thread( + os_aio_get_segment_no_from_slot( + array, slot)); + } + } + } else { + ut_error; + } + +#ifdef WIN_ASYNC_IO + if (srv_use_native_aio) { + if ((ret && len == n) + || (!ret && GetLastError() == ERROR_IO_PENDING)) { + /* aio was queued successfully! */ + + if (mode == OS_AIO_SYNC) { + /* We want a synchronous i/o operation on a + file where we also use async i/o: in Windows + we must use the same wait mechanism as for + async i/o */ + + retval = os_aio_windows_handle(ULINT_UNDEFINED, + slot->pos, + &dummy_mess1, + &dummy_mess2, + &dummy_type); + + return(retval); + } + + return(TRUE); + } + + goto err_exit; + } +#endif /* WIN_ASYNC_IO */ + /* aio was queued successfully! */ + return(TRUE); + +#if defined LINUX_NATIVE_AIO || defined WIN_ASYNC_IO +err_exit: +#endif /* LINUX_NATIVE_AIO || WIN_ASYNC_IO */ + os_aio_array_free_slot(array, slot); + + retry = os_file_handle_error(name, + type == OS_FILE_READ + ? "aio read" : "aio write"); + if (retry) { + + goto try_again; + } + + return(FALSE); +} + +#ifdef WIN_ASYNC_IO +/**********************************************************************//** +This function is only used in Windows asynchronous i/o. +Waits for an aio operation to complete. This function is used to wait the +for completed requests. The aio array of pending requests is divided +into segments. The thread specifies which segment or slot it wants to wait +for. NOTE: this function will also take care of freeing the aio slot, +therefore no other thread is allowed to do the freeing! +@return TRUE if the aio operation succeeded */ +UNIV_INTERN +ibool +os_aio_windows_handle( +/*==================*/ + ulint segment, /*!< in: the number of the segment in the aio + arrays to wait for; segment 0 is the ibuf + i/o thread, segment 1 the log i/o thread, + then follow the non-ibuf read threads, and as + the last are the non-ibuf write threads; if + this is ULINT_UNDEFINED, then it means that + sync aio is used, and this parameter is + ignored */ + ulint pos, /*!< this parameter is used only in sync aio: + wait for the aio slot at this position */ + fil_node_t**message1, /*!< out: the messages passed with the aio + request; note that also in the case where + the aio operation failed, these output + parameters are valid and can be used to + restart the operation, for example */ + void** message2, + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ +{ + ulint orig_seg = segment; + os_aio_array_t* array; + os_aio_slot_t* slot; + ulint n; + ulint i; + ibool ret_val; + BOOL ret; + DWORD len; + BOOL retry = FALSE; + + if (segment == ULINT_UNDEFINED) { + array = os_aio_sync_array; + segment = 0; + } else { + segment = os_aio_get_array_and_local_segment(&array, segment); + } + + /* NOTE! We only access constant fields in os_aio_array. Therefore + we do not have to acquire the protecting mutex yet */ + + ut_ad(os_aio_validate()); + ut_ad(segment < array->n_segments); + + n = array->n_slots / array->n_segments; + + if (array == os_aio_sync_array) { + os_event_wait(os_aio_array_get_nth_slot(array, pos)->event); + i = pos; + } else { + srv_set_io_thread_op_info(orig_seg, "wait Windows aio"); + i = os_event_wait_multiple(n, + (array->native_events) + + segment * n); + } + + os_mutex_enter(array->mutex); + + slot = os_aio_array_get_nth_slot(array, i + segment * n); + + ut_a(slot->reserved); + + if (orig_seg != ULINT_UNDEFINED) { + srv_set_io_thread_op_info(orig_seg, + "get windows aio return value"); + } + + ret = GetOverlappedResult(slot->file, &(slot->control), &len, TRUE); + + *message1 = slot->message1; + *message2 = slot->message2; + + *type = slot->type; + + if (ret && len == slot->len) { + ret_val = TRUE; + +#ifdef UNIV_DO_FLUSH + if (slot->type == OS_FILE_WRITE + && !os_do_not_call_flush_at_each_write) { + if (!os_file_flush(slot->file)) { + ut_error; + } + } +#endif /* UNIV_DO_FLUSH */ + } else if (os_file_handle_error(slot->name, "Windows aio")) { + + retry = TRUE; + } else { + + ret_val = FALSE; + } + + os_mutex_exit(array->mutex); + + if (retry) { + /* retry failed read/write operation synchronously. + No need to hold array->mutex. */ + + switch (slot->type) { + case OS_FILE_WRITE: + ret = WriteFile(slot->file, slot->buf, + slot->len, &len, + &(slot->control)); + + break; + case OS_FILE_READ: + ret = ReadFile(slot->file, slot->buf, + slot->len, &len, + &(slot->control)); + + break; + default: + ut_error; + } + + if (!ret && GetLastError() == ERROR_IO_PENDING) { + /* aio was queued successfully! + We want a synchronous i/o operation on a + file where we also use async i/o: in Windows + we must use the same wait mechanism as for + async i/o */ + + ret = GetOverlappedResult(slot->file, + &(slot->control), + &len, TRUE); + } + + ret_val = ret && len == slot->len; + } + + os_aio_array_free_slot(array, slot); + + return(ret_val); +} +#endif + +#if defined(LINUX_NATIVE_AIO) +/******************************************************************//** +This function is only used in Linux native asynchronous i/o. This is +called from within the io-thread. If there are no completed IO requests +in the slot array, the thread calls this function to collect more +requests from the kernel. +The io-thread waits on io_getevents(), which is a blocking call, with +a timeout value. Unless the system is very heavy loaded, keeping the +io-thread very busy, the io-thread will spend most of its time waiting +in this function. +The io-thread also exits in this function. It checks server status at +each wakeup and that is why we use timed wait in io_getevents(). */ +static +void +os_aio_linux_collect( +/*=================*/ + os_aio_array_t* array, /*!< in/out: slot array. */ + ulint segment, /*!< in: local segment no. */ + ulint seg_size) /*!< in: segment size. */ +{ + int i; + int ret; + ulint start_pos; + ulint end_pos; + struct timespec timeout; + struct io_event* events; + struct io_context* io_ctx; + + /* sanity checks. */ + ut_ad(array != NULL); + ut_ad(seg_size > 0); + ut_ad(segment < array->n_segments); + + /* Which part of event array we are going to work on. */ + events = &array->aio_events[segment * seg_size]; + + /* Which io_context we are going to use. */ + io_ctx = array->aio_ctx[segment]; + + /* Starting point of the segment we will be working on. */ + start_pos = segment * seg_size; + + /* End point. */ + end_pos = start_pos + seg_size; + +retry: + + /* Go down if we are in shutdown mode. + In case of srv_fast_shutdown == 2, there may be pending + IO requests but that should be OK as we essentially treat + that as a crash of InnoDB. */ + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + os_thread_exit(NULL); + } + + /* Initialize the events. The timeout value is arbitrary. + We probably need to experiment with it a little. */ + memset(events, 0, sizeof(*events) * seg_size); + timeout.tv_sec = 0; + timeout.tv_nsec = OS_AIO_REAP_TIMEOUT; + + ret = io_getevents(io_ctx, 1, seg_size, events, &timeout); + + /* This error handling is for any error in collecting the + IO requests. The errors, if any, for any particular IO + request are simply passed on to the calling routine. */ + + /* Not enough resources! Try again. */ + if (ret == -EAGAIN) { + goto retry; + } + + /* Interrupted! I have tested the behaviour in case of an + interrupt. If we have some completed IOs available then + the return code will be the number of IOs. We get EINTR only + if there are no completed IOs and we have been interrupted. */ + if (ret == -EINTR) { + goto retry; + } + + /* No pending request! Go back and check again. */ + if (ret == 0) { + goto retry; + } + + /* All other errors! should cause a trap for now. */ + if (UNIV_UNLIKELY(ret < 0)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: unexpected ret_code[%d] from" + " io_getevents()!\n", ret); + ut_error; + } + + ut_a(ret > 0); + + for (i = 0; i < ret; i++) { + os_aio_slot_t* slot; + struct iocb* control; + + control = (struct iocb *)events[i].obj; + ut_a(control != NULL); + + slot = (os_aio_slot_t *) control->data; + + /* Some sanity checks. */ + ut_a(slot != NULL); + ut_a(slot->reserved); + +#if defined(UNIV_AIO_DEBUG) + fprintf(stderr, + "io_getevents[%c]: slot[%p] ctx[%p]" + " seg[%lu]\n", + (slot->type == OS_FILE_WRITE) ? 'w' : 'r', + slot, io_ctx, segment); +#endif + + /* We are not scribbling previous segment. */ + ut_a(slot->pos >= start_pos); + + /* We have not overstepped to next segment. */ + ut_a(slot->pos < end_pos); + + /* Mark this request as completed. The error handling + will be done in the calling function. */ + os_mutex_enter(array->mutex); + slot->n_bytes = events[i].res; + slot->ret = events[i].res2; + slot->io_already_done = TRUE; + os_mutex_exit(array->mutex); + } + + return; +} + +/**********************************************************************//** +This function is only used in Linux native asynchronous i/o. +Waits for an aio operation to complete. This function is used to wait for +the completed requests. The aio array of pending requests is divided +into segments. The thread specifies which segment or slot it wants to wait +for. NOTE: this function will also take care of freeing the aio slot, +therefore no other thread is allowed to do the freeing! +@return TRUE if the IO was successful */ +UNIV_INTERN +ibool +os_aio_linux_handle( +/*================*/ + ulint global_seg, /*!< in: segment number in the aio array + to wait for; segment 0 is the ibuf + i/o thread, segment 1 is log i/o thread, + then follow the non-ibuf read threads, + and the last are the non-ibuf write + threads. */ + fil_node_t**message1, /*!< out: the messages passed with the */ + void** message2, /*!< aio request; note that in case the + aio operation failed, these output + parameters are valid and can be used to + restart the operation. */ + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ +{ + ulint segment; + os_aio_array_t* array; + os_aio_slot_t* slot; + ulint n; + ulint i; + ibool ret = FALSE; + + /* Should never be doing Sync IO here. */ + ut_a(global_seg != ULINT_UNDEFINED); + + /* Find the array and the local segment. */ + segment = os_aio_get_array_and_local_segment(&array, global_seg); + n = array->n_slots / array->n_segments; + + /* Loop until we have found a completed request. */ + for (;;) { + os_mutex_enter(array->mutex); + for (i = 0; i < n; ++i) { + slot = os_aio_array_get_nth_slot( + array, i + segment * n); + if (slot->reserved && slot->io_already_done) { + /* Something for us to work on. */ + goto found; + } + } + + os_mutex_exit(array->mutex); + + /* We don't have any completed request. + Wait for some request. Note that we return + from wait iff we have found a request. */ + + srv_set_io_thread_op_info(global_seg, + "waiting for completed aio requests"); + os_aio_linux_collect(array, segment, n); + } + +found: + /* Note that it may be that there are more then one completed + IO requests. We process them one at a time. We may have a case + here to improve the performance slightly by dealing with all + requests in one sweep. */ + srv_set_io_thread_op_info(global_seg, + "processing completed aio requests"); + + /* Ensure that we are scribbling only our segment. */ + ut_a(i < n); + + ut_ad(slot != NULL); + ut_ad(slot->reserved); + ut_ad(slot->io_already_done); + + *message1 = slot->message1; + *message2 = slot->message2; + + *type = slot->type; + + if ((slot->ret == 0) && (slot->n_bytes == (long)slot->len)) { + ret = TRUE; + +#ifdef UNIV_DO_FLUSH + if (slot->type == OS_FILE_WRITE + && !os_do_not_call_flush_at_each_write) + && !os_file_flush(slot->file) { + ut_error; + } +#endif /* UNIV_DO_FLUSH */ + } else { + errno = -slot->ret; + + /* os_file_handle_error does tell us if we should retry + this IO. As it stands now, we don't do this retry when + reaping requests from a different context than + the dispatcher. This non-retry logic is the same for + windows and linux native AIO. + We should probably look into this to transparently + re-submit the IO. */ + os_file_handle_error(slot->name, "Linux aio"); + + ret = FALSE; + } + + os_mutex_exit(array->mutex); + + os_aio_array_free_slot(array, slot); + + return(ret); +} +#endif /* LINUX_NATIVE_AIO */ + +/**********************************************************************//** +Does simulated aio. This function should be called by an i/o-handler +thread. +@return TRUE if the aio operation succeeded */ +UNIV_INTERN +ibool +os_aio_simulated_handle( +/*====================*/ + ulint global_segment, /*!< in: the number of the segment in the aio + arrays to wait for; segment 0 is the ibuf + i/o thread, segment 1 the log i/o thread, + then follow the non-ibuf read threads, and as + the last are the non-ibuf write threads */ + fil_node_t**message1, /*!< out: the messages passed with the aio + request; note that also in the case where + the aio operation failed, these output + parameters are valid and can be used to + restart the operation, for example */ + void** message2, + ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ +{ + os_aio_array_t* array; + ulint segment; + os_aio_slot_t* slot; + os_aio_slot_t* slot2; + os_aio_slot_t* consecutive_ios[OS_AIO_MERGE_N_CONSECUTIVE]; + ulint n_consecutive; + ulint total_len; + ulint offs; + ulint lowest_offset; + ulint biggest_age; + ulint age; + byte* combined_buf; + byte* combined_buf2; + ibool ret; + ulint n; + ulint i; + + segment = os_aio_get_array_and_local_segment(&array, global_segment); + +restart: + /* NOTE! We only access constant fields in os_aio_array. Therefore + we do not have to acquire the protecting mutex yet */ + + srv_set_io_thread_op_info(global_segment, + "looking for i/o requests (a)"); + ut_ad(os_aio_validate()); + ut_ad(segment < array->n_segments); + + n = array->n_slots / array->n_segments; + + /* Look through n slots after the segment * n'th slot */ + + if (array == os_aio_read_array + && os_aio_recommend_sleep_for_read_threads) { + + /* Give other threads chance to add several i/os to the array + at once. */ + + goto recommended_sleep; + } + + os_mutex_enter(array->mutex); + + srv_set_io_thread_op_info(global_segment, + "looking for i/o requests (b)"); + + /* Check if there is a slot for which the i/o has already been + done */ + + for (i = 0; i < n; i++) { + slot = os_aio_array_get_nth_slot(array, i + segment * n); + + if (slot->reserved && slot->io_already_done) { + + if (os_aio_print_debug) { + fprintf(stderr, + "InnoDB: i/o for slot %lu" + " already done, returning\n", + (ulong) i); + } + + ret = TRUE; + + goto slot_io_done; + } + } + + n_consecutive = 0; + + /* If there are at least 2 seconds old requests, then pick the oldest + one to prevent starvation. If several requests have the same age, + then pick the one at the lowest offset. */ + + biggest_age = 0; + lowest_offset = ULINT_MAX; + + for (i = 0; i < n; i++) { + slot = os_aio_array_get_nth_slot(array, i + segment * n); + + if (slot->reserved) { + age = (ulint)difftime(time(NULL), + slot->reservation_time); + + if ((age >= 2 && age > biggest_age) + || (age >= 2 && age == biggest_age + && slot->offset < lowest_offset)) { + + /* Found an i/o request */ + consecutive_ios[0] = slot; + + n_consecutive = 1; + + biggest_age = age; + lowest_offset = slot->offset; + } + } + } + + if (n_consecutive == 0) { + /* There were no old requests. Look for an i/o request at the + lowest offset in the array (we ignore the high 32 bits of the + offset in these heuristics) */ + + lowest_offset = ULINT_MAX; + + for (i = 0; i < n; i++) { + slot = os_aio_array_get_nth_slot(array, + i + segment * n); + + if (slot->reserved && slot->offset < lowest_offset) { + + /* Found an i/o request */ + consecutive_ios[0] = slot; + + n_consecutive = 1; + + lowest_offset = slot->offset; + } + } + } + + if (n_consecutive == 0) { + + /* No i/o requested at the moment */ + + goto wait_for_io; + } + + slot = consecutive_ios[0]; + + /* Check if there are several consecutive blocks to read or write */ + +consecutive_loop: + for (i = 0; i < n; i++) { + slot2 = os_aio_array_get_nth_slot(array, i + segment * n); + + if (slot2->reserved && slot2 != slot + && slot2->offset == slot->offset + slot->len + /* check that sum does not wrap over */ + && slot->offset + slot->len > slot->offset + && slot2->offset_high == slot->offset_high + && slot2->type == slot->type + && slot2->file == slot->file) { + + /* Found a consecutive i/o request */ + + consecutive_ios[n_consecutive] = slot2; + n_consecutive++; + + slot = slot2; + + if (n_consecutive < OS_AIO_MERGE_N_CONSECUTIVE) { + + goto consecutive_loop; + } else { + break; + } + } + } + + srv_set_io_thread_op_info(global_segment, "consecutive i/o requests"); + + /* We have now collected n_consecutive i/o requests in the array; + allocate a single buffer which can hold all data, and perform the + i/o */ + + total_len = 0; + slot = consecutive_ios[0]; + + for (i = 0; i < n_consecutive; i++) { + total_len += consecutive_ios[i]->len; + } + + if (n_consecutive == 1) { + /* We can use the buffer of the i/o request */ + combined_buf = slot->buf; + combined_buf2 = NULL; + } else { + combined_buf2 = ut_malloc(total_len + UNIV_PAGE_SIZE); + + ut_a(combined_buf2); + + combined_buf = ut_align(combined_buf2, UNIV_PAGE_SIZE); + } + + /* We release the array mutex for the time of the i/o: NOTE that + this assumes that there is just one i/o-handler thread serving + a single segment of slots! */ + + os_mutex_exit(array->mutex); + + if (slot->type == OS_FILE_WRITE && n_consecutive > 1) { + /* Copy the buffers to the combined buffer */ + offs = 0; + + for (i = 0; i < n_consecutive; i++) { + + ut_memcpy(combined_buf + offs, consecutive_ios[i]->buf, + consecutive_ios[i]->len); + offs += consecutive_ios[i]->len; + } + } + + srv_set_io_thread_op_info(global_segment, "doing file i/o"); + + if (os_aio_print_debug) { + fprintf(stderr, + "InnoDB: doing i/o of type %lu at offset %lu %lu," + " length %lu\n", + (ulong) slot->type, (ulong) slot->offset_high, + (ulong) slot->offset, (ulong) total_len); + } + + /* Do the i/o with ordinary, synchronous i/o functions: */ + if (slot->type == OS_FILE_WRITE) { + ret = os_file_write(slot->name, slot->file, combined_buf, + slot->offset, slot->offset_high, + total_len); + } else { + ret = os_file_read(slot->file, combined_buf, + slot->offset, slot->offset_high, total_len); + } + + ut_a(ret); + srv_set_io_thread_op_info(global_segment, "file i/o done"); + +#if 0 + fprintf(stderr, + "aio: %lu consecutive %lu:th segment, first offs %lu blocks\n", + n_consecutive, global_segment, slot->offset / UNIV_PAGE_SIZE); +#endif + + if (slot->type == OS_FILE_READ && n_consecutive > 1) { + /* Copy the combined buffer to individual buffers */ + offs = 0; + + for (i = 0; i < n_consecutive; i++) { + + ut_memcpy(consecutive_ios[i]->buf, combined_buf + offs, + consecutive_ios[i]->len); + offs += consecutive_ios[i]->len; + } + } + + if (combined_buf2) { + ut_free(combined_buf2); + } + + os_mutex_enter(array->mutex); + + /* Mark the i/os done in slots */ + + for (i = 0; i < n_consecutive; i++) { + consecutive_ios[i]->io_already_done = TRUE; + } + + /* We return the messages for the first slot now, and if there were + several slots, the messages will be returned with subsequent calls + of this function */ + +slot_io_done: + + ut_a(slot->reserved); + + *message1 = slot->message1; + *message2 = slot->message2; + + *type = slot->type; + + os_mutex_exit(array->mutex); + + os_aio_array_free_slot(array, slot); + + return(ret); + +wait_for_io: + srv_set_io_thread_op_info(global_segment, "resetting wait event"); + + /* We wait here until there again can be i/os in the segment + of this thread */ + + os_event_reset(os_aio_segment_wait_events[global_segment]); + + os_mutex_exit(array->mutex); + +recommended_sleep: + srv_set_io_thread_op_info(global_segment, "waiting for i/o request"); + + os_event_wait(os_aio_segment_wait_events[global_segment]); + + if (os_aio_print_debug) { + fprintf(stderr, + "InnoDB: i/o handler thread for i/o" + " segment %lu wakes up\n", + (ulong) global_segment); + } + + goto restart; +} + +/**********************************************************************//** +Validates the consistency of an aio array. +@return TRUE if ok */ +static +ibool +os_aio_array_validate( +/*==================*/ + os_aio_array_t* array) /*!< in: aio wait array */ +{ + os_aio_slot_t* slot; + ulint n_reserved = 0; + ulint i; + + ut_a(array); + + os_mutex_enter(array->mutex); + + ut_a(array->n_slots > 0); + ut_a(array->n_segments > 0); + + for (i = 0; i < array->n_slots; i++) { + slot = os_aio_array_get_nth_slot(array, i); + + if (slot->reserved) { + n_reserved++; + ut_a(slot->len > 0); + } + } + + ut_a(array->n_reserved == n_reserved); + + os_mutex_exit(array->mutex); + + return(TRUE); +} + +/**********************************************************************//** +Validates the consistency the aio system. +@return TRUE if ok */ +UNIV_INTERN +ibool +os_aio_validate(void) +/*=================*/ +{ + os_aio_array_validate(os_aio_read_array); + os_aio_array_validate(os_aio_write_array); + os_aio_array_validate(os_aio_ibuf_array); + os_aio_array_validate(os_aio_log_array); + os_aio_array_validate(os_aio_sync_array); + + return(TRUE); +} + +/**********************************************************************//** +Prints pending IO requests per segment of an aio array. +We probably don't need per segment statistics but they can help us +during development phase to see if the IO requests are being +distributed as expected. */ +static +void +os_aio_print_segment_info( +/*======================*/ + FILE* file, /*!< in: file where to print */ + ulint* n_seg, /*!< in: pending IO array */ + os_aio_array_t* array) /*!< in: array to process */ +{ + ulint i; + + ut_ad(array); + ut_ad(n_seg); + ut_ad(array->n_segments > 0); + + if (array->n_segments == 1) { + return; + } + + fprintf(file, " ["); + for (i = 0; i < array->n_segments; i++) { + if (i != 0) { + fprintf(file, ", "); + } + + fprintf(file, "%lu", n_seg[i]); + } + fprintf(file, "] "); +} + +/**********************************************************************//** +Prints info of the aio arrays. */ +UNIV_INTERN +void +os_aio_print( +/*=========*/ + FILE* file) /*!< in: file where to print */ +{ + os_aio_array_t* array; + os_aio_slot_t* slot; + ulint n_reserved; + ulint n_res_seg[SRV_MAX_N_IO_THREADS]; + time_t current_time; + double time_elapsed; + double avg_bytes_read; + ulint i; + + for (i = 0; i < srv_n_file_io_threads; i++) { + fprintf(file, "I/O thread %lu state: %s (%s)", (ulong) i, + srv_io_thread_op_info[i], + srv_io_thread_function[i]); + +#ifndef __WIN__ + if (os_aio_segment_wait_events[i]->is_set) { + fprintf(file, " ev set"); + } +#endif + + fprintf(file, "\n"); + } + + fputs("Pending normal aio reads:", file); + + array = os_aio_read_array; +loop: + ut_a(array); + + os_mutex_enter(array->mutex); + + ut_a(array->n_slots > 0); + ut_a(array->n_segments > 0); + + n_reserved = 0; + + memset(n_res_seg, 0x0, sizeof(n_res_seg)); + + for (i = 0; i < array->n_slots; i++) { + ulint seg_no; + + slot = os_aio_array_get_nth_slot(array, i); + + seg_no = (i * array->n_segments) / array->n_slots; + if (slot->reserved) { + n_reserved++; + n_res_seg[seg_no]++; +#if 0 + fprintf(stderr, "Reserved slot, messages %p %p\n", + (void*) slot->message1, + (void*) slot->message2); +#endif + ut_a(slot->len > 0); + } + } + + ut_a(array->n_reserved == n_reserved); + + fprintf(file, " %lu", (ulong) n_reserved); + + os_aio_print_segment_info(file, n_res_seg, array); + + os_mutex_exit(array->mutex); + + if (array == os_aio_read_array) { + fputs(", aio writes:", file); + + array = os_aio_write_array; + + goto loop; + } + + if (array == os_aio_write_array) { + fputs(",\n ibuf aio reads:", file); + array = os_aio_ibuf_array; + + goto loop; + } + + if (array == os_aio_ibuf_array) { + fputs(", log i/o's:", file); + array = os_aio_log_array; + + goto loop; + } + + if (array == os_aio_log_array) { + fputs(", sync i/o's:", file); + array = os_aio_sync_array; + + goto loop; + } + + putc('\n', file); + current_time = time(NULL); + time_elapsed = 0.001 + difftime(current_time, os_last_printout); + + fprintf(file, + "Pending flushes (fsync) log: %lu; buffer pool: %lu\n" + "%lu OS file reads, %lu OS file writes, %lu OS fsyncs\n", + (ulong) fil_n_pending_log_flushes, + (ulong) fil_n_pending_tablespace_flushes, + (ulong) os_n_file_reads, (ulong) os_n_file_writes, + (ulong) os_n_fsyncs); + + if (os_file_n_pending_preads != 0 || os_file_n_pending_pwrites != 0) { + fprintf(file, + "%lu pending preads, %lu pending pwrites\n", + (ulong) os_file_n_pending_preads, + (ulong) os_file_n_pending_pwrites); + } + + if (os_n_file_reads == os_n_file_reads_old) { + avg_bytes_read = 0.0; + } else { + avg_bytes_read = (double) os_bytes_read_since_printout + / (os_n_file_reads - os_n_file_reads_old); + } + + fprintf(file, + "%.2f reads/s, %lu avg bytes/read," + " %.2f writes/s, %.2f fsyncs/s\n", + (os_n_file_reads - os_n_file_reads_old) + / time_elapsed, + (ulong)avg_bytes_read, + (os_n_file_writes - os_n_file_writes_old) + / time_elapsed, + (os_n_fsyncs - os_n_fsyncs_old) + / time_elapsed); + + os_n_file_reads_old = os_n_file_reads; + os_n_file_writes_old = os_n_file_writes; + os_n_fsyncs_old = os_n_fsyncs; + os_bytes_read_since_printout = 0; + + os_last_printout = current_time; +} + +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +os_aio_refresh_stats(void) +/*======================*/ +{ + os_n_file_reads_old = os_n_file_reads; + os_n_file_writes_old = os_n_file_writes; + os_n_fsyncs_old = os_n_fsyncs; + os_bytes_read_since_printout = 0; + + os_last_printout = time(NULL); +} + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Checks that all slots in the system have been freed, that is, there are +no pending io operations. +@return TRUE if all free */ +UNIV_INTERN +ibool +os_aio_all_slots_free(void) +/*=======================*/ +{ + os_aio_array_t* array; + ulint n_res = 0; + + array = os_aio_read_array; + + os_mutex_enter(array->mutex); + + n_res += array->n_reserved; + + os_mutex_exit(array->mutex); + + array = os_aio_write_array; + + os_mutex_enter(array->mutex); + + n_res += array->n_reserved; + + os_mutex_exit(array->mutex); + + array = os_aio_ibuf_array; + + os_mutex_enter(array->mutex); + + n_res += array->n_reserved; + + os_mutex_exit(array->mutex); + + array = os_aio_log_array; + + os_mutex_enter(array->mutex); + + n_res += array->n_reserved; + + os_mutex_exit(array->mutex); + + array = os_aio_sync_array; + + os_mutex_enter(array->mutex); + + n_res += array->n_reserved; + + os_mutex_exit(array->mutex); + + if (n_res == 0) { + + return(TRUE); + } + + return(FALSE); +} +#endif /* UNIV_DEBUG */ + +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/os/os0proc.c b/perfschema/os/os0proc.c new file mode 100644 index 00000000000..48922886f23 --- /dev/null +++ b/perfschema/os/os0proc.c @@ -0,0 +1,231 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file os/os0proc.c +The interface to the operating system +process control primitives + +Created 9/30/1995 Heikki Tuuri +*******************************************************/ + +#include "os0proc.h" +#ifdef UNIV_NONINL +#include "os0proc.ic" +#endif + +#include "ut0mem.h" +#include "ut0byte.h" + +/* FreeBSD for example has only MAP_ANON, Linux has MAP_ANONYMOUS and +MAP_ANON but MAP_ANON is marked as deprecated */ +#if defined(MAP_ANONYMOUS) +#define OS_MAP_ANON MAP_ANONYMOUS +#elif defined(MAP_ANON) +#define OS_MAP_ANON MAP_ANON +#endif + +UNIV_INTERN ibool os_use_large_pages; +/* Large page size. This may be a boot-time option on some platforms */ +UNIV_INTERN ulint os_large_page_size; + +/****************************************************************//** +Converts the current process id to a number. It is not guaranteed that the +number is unique. In Linux returns the 'process number' of the current +thread. That number is the same as one sees in 'top', for example. In Linux +the thread id is not the same as one sees in 'top'. +@return process id as a number */ +UNIV_INTERN +ulint +os_proc_get_number(void) +/*====================*/ +{ +#ifdef __WIN__ + return((ulint)GetCurrentProcessId()); +#else + return((ulint)getpid()); +#endif +} + +/****************************************************************//** +Allocates large pages memory. +@return allocated memory */ +UNIV_INTERN +void* +os_mem_alloc_large( +/*===============*/ + ulint* n) /*!< in/out: number of bytes */ +{ + void* ptr; + ulint size; +#if defined HAVE_LARGE_PAGES && defined UNIV_LINUX + int shmid; + struct shmid_ds buf; + + if (!os_use_large_pages || !os_large_page_size) { + goto skip; + } + + /* Align block size to os_large_page_size */ + ut_ad(ut_is_2pow(os_large_page_size)); + size = ut_2pow_round(*n + (os_large_page_size - 1), + os_large_page_size); + + shmid = shmget(IPC_PRIVATE, (size_t)size, SHM_HUGETLB | SHM_R | SHM_W); + if (shmid < 0) { + fprintf(stderr, "InnoDB: HugeTLB: Warning: Failed to allocate" + " %lu bytes. errno %d\n", size, errno); + ptr = NULL; + } else { + ptr = shmat(shmid, NULL, 0); + if (ptr == (void *)-1) { + fprintf(stderr, "InnoDB: HugeTLB: Warning: Failed to" + " attach shared memory segment, errno %d\n", + errno); + ptr = NULL; + } + + /* Remove the shared memory segment so that it will be + automatically freed after memory is detached or + process exits */ + shmctl(shmid, IPC_RMID, &buf); + } + + if (ptr) { + *n = size; + os_fast_mutex_lock(&ut_list_mutex); + ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); +# ifdef UNIV_SET_MEM_TO_ZERO + memset(ptr, '\0', size); +# endif + UNIV_MEM_ALLOC(ptr, size); + return(ptr); + } + + fprintf(stderr, "InnoDB HugeTLB: Warning: Using conventional" + " memory pool\n"); +skip: +#endif /* HAVE_LARGE_PAGES && UNIV_LINUX */ + +#ifdef __WIN__ + SYSTEM_INFO system_info; + GetSystemInfo(&system_info); + + /* Align block size to system page size */ + ut_ad(ut_is_2pow(system_info.dwPageSize)); + /* system_info.dwPageSize is only 32-bit. Casting to ulint is required + on 64-bit Windows. */ + size = *n = ut_2pow_round(*n + (system_info.dwPageSize - 1), + (ulint) system_info.dwPageSize); + ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, + PAGE_READWRITE); + if (!ptr) { + fprintf(stderr, "InnoDB: VirtualAlloc(%lu bytes) failed;" + " Windows error %lu\n", + (ulong) size, (ulong) GetLastError()); + } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_ALLOC(ptr, size); + } +#elif defined __NETWARE__ || !defined OS_MAP_ANON + size = *n; + ptr = ut_malloc_low(size, TRUE, FALSE); +#else +# ifdef HAVE_GETPAGESIZE + size = getpagesize(); +# else + size = UNIV_PAGE_SIZE; +# endif + /* Align block size to system page size */ + ut_ad(ut_is_2pow(size)); + size = *n = ut_2pow_round(*n + (size - 1), size); + ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | OS_MAP_ANON, -1, 0); + if (UNIV_UNLIKELY(ptr == (void*) -1)) { + fprintf(stderr, "InnoDB: mmap(%lu bytes) failed;" + " errno %lu\n", + (ulong) size, (ulong) errno); + ptr = NULL; + } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_total_allocated_memory += size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_ALLOC(ptr, size); + } +#endif + return(ptr); +} + +/****************************************************************//** +Frees large pages memory. */ +UNIV_INTERN +void +os_mem_free_large( +/*==============*/ + void *ptr, /*!< in: pointer returned by + os_mem_alloc_large() */ + ulint size) /*!< in: size returned by + os_mem_alloc_large() */ +{ + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); + os_fast_mutex_unlock(&ut_list_mutex); + +#if defined HAVE_LARGE_PAGES && defined UNIV_LINUX + if (os_use_large_pages && os_large_page_size && !shmdt(ptr)) { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); + ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); + return; + } +#endif /* HAVE_LARGE_PAGES && UNIV_LINUX */ +#ifdef __WIN__ + /* When RELEASE memory, the size parameter must be 0. + Do not use MEM_RELEASE with MEM_DECOMMIT. */ + if (!VirtualFree(ptr, 0, MEM_RELEASE)) { + fprintf(stderr, "InnoDB: VirtualFree(%p, %lu) failed;" + " Windows error %lu\n", + ptr, (ulong) size, (ulong) GetLastError()); + } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); + ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); + } +#elif defined __NETWARE__ || !defined OS_MAP_ANON + ut_free(ptr); +#else + if (munmap(ptr, size)) { + fprintf(stderr, "InnoDB: munmap(%p, %lu) failed;" + " errno %lu\n", + ptr, (ulong) size, (ulong) errno); + } else { + os_fast_mutex_lock(&ut_list_mutex); + ut_a(ut_total_allocated_memory >= size); + ut_total_allocated_memory -= size; + os_fast_mutex_unlock(&ut_list_mutex); + UNIV_MEM_FREE(ptr, size); + } +#endif +} diff --git a/perfschema/os/os0sync.c b/perfschema/os/os0sync.c new file mode 100644 index 00000000000..60467242e14 --- /dev/null +++ b/perfschema/os/os0sync.c @@ -0,0 +1,725 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file os/os0sync.c +The interface to the operating system +synchronization primitives. + +Created 9/6/1995 Heikki Tuuri +*******************************************************/ + +#include "os0sync.h" +#ifdef UNIV_NONINL +#include "os0sync.ic" +#endif + +#ifdef __WIN__ +#include +#endif + +#include "ut0mem.h" +#include "srv0start.h" + +/* Type definition for an operating system mutex struct */ +struct os_mutex_struct{ + os_event_t event; /*!< Used by sync0arr.c for queing threads */ + void* handle; /*!< OS handle to mutex */ + ulint count; /*!< we use this counter to check + that the same thread does not + recursively lock the mutex: we + do not assume that the OS mutex + supports recursive locking, though + NT seems to do that */ + UT_LIST_NODE_T(os_mutex_str_t) os_mutex_list; + /* list of all 'slow' OS mutexes created */ +}; + +/** Mutex protecting counts and the lists of OS mutexes and events */ +UNIV_INTERN os_mutex_t os_sync_mutex; +/** TRUE if os_sync_mutex has been initialized */ +static ibool os_sync_mutex_inited = FALSE; +/** TRUE when os_sync_free() is being executed */ +static ibool os_sync_free_called = FALSE; + +/** This is incremented by 1 in os_thread_create and decremented by 1 in +os_thread_exit */ +UNIV_INTERN ulint os_thread_count = 0; + +/** The list of all events created */ +static UT_LIST_BASE_NODE_T(os_event_struct_t) os_event_list; + +/** The list of all OS 'slow' mutexes */ +static UT_LIST_BASE_NODE_T(os_mutex_str_t) os_mutex_list; + +UNIV_INTERN ulint os_event_count = 0; +UNIV_INTERN ulint os_mutex_count = 0; +UNIV_INTERN ulint os_fast_mutex_count = 0; + +/* Because a mutex is embedded inside an event and there is an +event embedded inside a mutex, on free, this generates a recursive call. +This version of the free event function doesn't acquire the global lock */ +static void os_event_free_internal(os_event_t event); + +/*********************************************************//** +Initializes global event and OS 'slow' mutex lists. */ +UNIV_INTERN +void +os_sync_init(void) +/*==============*/ +{ + UT_LIST_INIT(os_event_list); + UT_LIST_INIT(os_mutex_list); + + os_sync_mutex = NULL; + os_sync_mutex_inited = FALSE; + + os_sync_mutex = os_mutex_create(NULL); + + os_sync_mutex_inited = TRUE; +} + +/*********************************************************//** +Frees created events and OS 'slow' mutexes. */ +UNIV_INTERN +void +os_sync_free(void) +/*==============*/ +{ + os_event_t event; + os_mutex_t mutex; + + os_sync_free_called = TRUE; + event = UT_LIST_GET_FIRST(os_event_list); + + while (event) { + + os_event_free(event); + + event = UT_LIST_GET_FIRST(os_event_list); + } + + mutex = UT_LIST_GET_FIRST(os_mutex_list); + + while (mutex) { + if (mutex == os_sync_mutex) { + /* Set the flag to FALSE so that we do not try to + reserve os_sync_mutex any more in remaining freeing + operations in shutdown */ + os_sync_mutex_inited = FALSE; + } + + os_mutex_free(mutex); + + mutex = UT_LIST_GET_FIRST(os_mutex_list); + } + os_sync_free_called = FALSE; +} + +/*********************************************************//** +Creates an event semaphore, i.e., a semaphore which may just have two +states: signaled and nonsignaled. The created event is manual reset: it +must be reset explicitly by calling sync_os_reset_event. +@return the event handle */ +UNIV_INTERN +os_event_t +os_event_create( +/*============*/ + const char* name) /*!< in: the name of the event, if NULL + the event is created without a name */ +{ +#ifdef __WIN__ + os_event_t event; + + event = ut_malloc(sizeof(struct os_event_struct)); + + event->handle = CreateEvent(NULL, /* No security attributes */ + TRUE, /* Manual reset */ + FALSE, /* Initial state nonsignaled */ + (LPCTSTR) name); + if (!event->handle) { + fprintf(stderr, + "InnoDB: Could not create a Windows event semaphore;" + " Windows error %lu\n", + (ulong) GetLastError()); + } +#else /* Unix */ + os_event_t event; + + UT_NOT_USED(name); + + event = ut_malloc(sizeof(struct os_event_struct)); + + os_fast_mutex_init(&(event->os_mutex)); + + ut_a(0 == pthread_cond_init(&(event->cond_var), NULL)); + + event->is_set = FALSE; + + /* We return this value in os_event_reset(), which can then be + be used to pass to the os_event_wait_low(). The value of zero + is reserved in os_event_wait_low() for the case when the + caller does not want to pass any signal_count value. To + distinguish between the two cases we initialize signal_count + to 1 here. */ + event->signal_count = 1; +#endif /* __WIN__ */ + + /* The os_sync_mutex can be NULL because during startup an event + can be created [ because it's embedded in the mutex/rwlock ] before + this module has been initialized */ + if (os_sync_mutex != NULL) { + os_mutex_enter(os_sync_mutex); + } + + /* Put to the list of events */ + UT_LIST_ADD_FIRST(os_event_list, os_event_list, event); + + os_event_count++; + + if (os_sync_mutex != NULL) { + os_mutex_exit(os_sync_mutex); + } + + return(event); +} + +/**********************************************************//** +Sets an event semaphore to the signaled state: lets waiting threads +proceed. */ +UNIV_INTERN +void +os_event_set( +/*=========*/ + os_event_t event) /*!< in: event to set */ +{ +#ifdef __WIN__ + ut_a(event); + ut_a(SetEvent(event->handle)); +#else + ut_a(event); + + os_fast_mutex_lock(&(event->os_mutex)); + + if (event->is_set) { + /* Do nothing */ + } else { + event->is_set = TRUE; + event->signal_count += 1; + ut_a(0 == pthread_cond_broadcast(&(event->cond_var))); + } + + os_fast_mutex_unlock(&(event->os_mutex)); +#endif +} + +/**********************************************************//** +Resets an event semaphore to the nonsignaled state. Waiting threads will +stop to wait for the event. +The return value should be passed to os_even_wait_low() if it is desired +that this thread should not wait in case of an intervening call to +os_event_set() between this os_event_reset() and the +os_event_wait_low() call. See comments for os_event_wait_low(). +@return current signal_count. */ +UNIV_INTERN +ib_int64_t +os_event_reset( +/*===========*/ + os_event_t event) /*!< in: event to reset */ +{ + ib_int64_t ret = 0; + +#ifdef __WIN__ + ut_a(event); + + ut_a(ResetEvent(event->handle)); +#else + ut_a(event); + + os_fast_mutex_lock(&(event->os_mutex)); + + if (!event->is_set) { + /* Do nothing */ + } else { + event->is_set = FALSE; + } + ret = event->signal_count; + + os_fast_mutex_unlock(&(event->os_mutex)); +#endif + return(ret); +} + +/**********************************************************//** +Frees an event object, without acquiring the global lock. */ +static +void +os_event_free_internal( +/*===================*/ + os_event_t event) /*!< in: event to free */ +{ +#ifdef __WIN__ + ut_a(event); + + ut_a(CloseHandle(event->handle)); +#else + ut_a(event); + + /* This is to avoid freeing the mutex twice */ + os_fast_mutex_free(&(event->os_mutex)); + + ut_a(0 == pthread_cond_destroy(&(event->cond_var))); +#endif + /* Remove from the list of events */ + + UT_LIST_REMOVE(os_event_list, os_event_list, event); + + os_event_count--; + + ut_free(event); +} + +/**********************************************************//** +Frees an event object. */ +UNIV_INTERN +void +os_event_free( +/*==========*/ + os_event_t event) /*!< in: event to free */ + +{ +#ifdef __WIN__ + ut_a(event); + + ut_a(CloseHandle(event->handle)); +#else + ut_a(event); + + os_fast_mutex_free(&(event->os_mutex)); + ut_a(0 == pthread_cond_destroy(&(event->cond_var))); +#endif + /* Remove from the list of events */ + + os_mutex_enter(os_sync_mutex); + + UT_LIST_REMOVE(os_event_list, os_event_list, event); + + os_event_count--; + + os_mutex_exit(os_sync_mutex); + + ut_free(event); +} + +/**********************************************************//** +Waits for an event object until it is in the signaled state. If +srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the +waiting thread when the event becomes signaled (or immediately if the +event is already in the signaled state). + +Typically, if the event has been signalled after the os_event_reset() +we'll return immediately because event->is_set == TRUE. +There are, however, situations (e.g.: sync_array code) where we may +lose this information. For example: + +thread A calls os_event_reset() +thread B calls os_event_set() [event->is_set == TRUE] +thread C calls os_event_reset() [event->is_set == FALSE] +thread A calls os_event_wait() [infinite wait!] +thread C calls os_event_wait() [infinite wait!] + +Where such a scenario is possible, to avoid infinite wait, the +value returned by os_event_reset() should be passed in as +reset_sig_count. */ +UNIV_INTERN +void +os_event_wait_low( +/*==============*/ + os_event_t event, /*!< in: event to wait */ + ib_int64_t reset_sig_count)/*!< in: zero or the value + returned by previous call of + os_event_reset(). */ +{ +#ifdef __WIN__ + DWORD err; + + ut_a(event); + + UT_NOT_USED(reset_sig_count); + + /* Specify an infinite time limit for waiting */ + err = WaitForSingleObject(event->handle, INFINITE); + + ut_a(err == WAIT_OBJECT_0); + + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + os_thread_exit(NULL); + } +#else + ib_int64_t old_signal_count; + + os_fast_mutex_lock(&(event->os_mutex)); + + if (reset_sig_count) { + old_signal_count = reset_sig_count; + } else { + old_signal_count = event->signal_count; + } + + for (;;) { + if (event->is_set == TRUE + || event->signal_count != old_signal_count) { + + os_fast_mutex_unlock(&(event->os_mutex)); + + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + + os_thread_exit(NULL); + } + /* Ok, we may return */ + + return; + } + + pthread_cond_wait(&(event->cond_var), &(event->os_mutex)); + + /* Solaris manual said that spurious wakeups may occur: we + have to check if the event really has been signaled after + we came here to wait */ + } +#endif +} + +/**********************************************************//** +Waits for an event object until it is in the signaled state or +a timeout is exceeded. In Unix the timeout is always infinite. +@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ +UNIV_INTERN +ulint +os_event_wait_time( +/*===============*/ + os_event_t event, /*!< in: event to wait */ + ulint time) /*!< in: timeout in microseconds, or + OS_SYNC_INFINITE_TIME */ +{ +#ifdef __WIN__ + DWORD err; + + ut_a(event); + + if (time != OS_SYNC_INFINITE_TIME) { + err = WaitForSingleObject(event->handle, (DWORD) time / 1000); + } else { + err = WaitForSingleObject(event->handle, INFINITE); + } + + if (err == WAIT_OBJECT_0) { + + return(0); + } else if (err == WAIT_TIMEOUT) { + + return(OS_SYNC_TIME_EXCEEDED); + } else { + ut_error; + return(1000000); /* dummy value to eliminate compiler warn. */ + } +#else + UT_NOT_USED(time); + + /* In Posix this is just an ordinary, infinite wait */ + + os_event_wait(event); + + return(0); +#endif +} + +#ifdef __WIN__ +/**********************************************************//** +Waits for any event in an OS native event array. Returns if even a single +one is signaled or becomes signaled. +@return index of the event which was signaled */ +UNIV_INTERN +ulint +os_event_wait_multiple( +/*===================*/ + ulint n, /*!< in: number of events in the + array */ + os_native_event_t* native_event_array) + /*!< in: pointer to an array of event + handles */ +{ + DWORD index; + + ut_a(native_event_array); + ut_a(n > 0); + + index = WaitForMultipleObjects((DWORD) n, native_event_array, + FALSE, /* Wait for any 1 event */ + INFINITE); /* Infinite wait time + limit */ + ut_a(index >= WAIT_OBJECT_0); /* NOTE: Pointless comparison */ + ut_a(index < WAIT_OBJECT_0 + n); + + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + os_thread_exit(NULL); + } + + return(index - WAIT_OBJECT_0); +} +#endif + +/*********************************************************//** +Creates an operating system mutex semaphore. Because these are slow, the +mutex semaphore of InnoDB itself (mutex_t) should be used where possible. +@return the mutex handle */ +UNIV_INTERN +os_mutex_t +os_mutex_create( +/*============*/ + const char* name) /*!< in: the name of the mutex, if NULL + the mutex is created without a name */ +{ +#ifdef __WIN__ + HANDLE mutex; + os_mutex_t mutex_str; + + mutex = CreateMutex(NULL, /* No security attributes */ + FALSE, /* Initial state: no owner */ + (LPCTSTR) name); + ut_a(mutex); +#else + os_fast_mutex_t* mutex; + os_mutex_t mutex_str; + + UT_NOT_USED(name); + + mutex = ut_malloc(sizeof(os_fast_mutex_t)); + + os_fast_mutex_init(mutex); +#endif + mutex_str = ut_malloc(sizeof(os_mutex_str_t)); + + mutex_str->handle = mutex; + mutex_str->count = 0; + mutex_str->event = os_event_create(NULL); + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + /* When creating os_sync_mutex itself we cannot reserve it */ + os_mutex_enter(os_sync_mutex); + } + + UT_LIST_ADD_FIRST(os_mutex_list, os_mutex_list, mutex_str); + + os_mutex_count++; + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + os_mutex_exit(os_sync_mutex); + } + + return(mutex_str); +} + +/**********************************************************//** +Acquires ownership of a mutex semaphore. */ +UNIV_INTERN +void +os_mutex_enter( +/*===========*/ + os_mutex_t mutex) /*!< in: mutex to acquire */ +{ +#ifdef __WIN__ + DWORD err; + + ut_a(mutex); + + /* Specify infinite time limit for waiting */ + err = WaitForSingleObject(mutex->handle, INFINITE); + + ut_a(err == WAIT_OBJECT_0); + + (mutex->count)++; + ut_a(mutex->count == 1); +#else + os_fast_mutex_lock(mutex->handle); + + (mutex->count)++; + + ut_a(mutex->count == 1); +#endif +} + +/**********************************************************//** +Releases ownership of a mutex. */ +UNIV_INTERN +void +os_mutex_exit( +/*==========*/ + os_mutex_t mutex) /*!< in: mutex to release */ +{ + ut_a(mutex); + + ut_a(mutex->count == 1); + + (mutex->count)--; +#ifdef __WIN__ + ut_a(ReleaseMutex(mutex->handle)); +#else + os_fast_mutex_unlock(mutex->handle); +#endif +} + +/**********************************************************//** +Frees a mutex object. */ +UNIV_INTERN +void +os_mutex_free( +/*==========*/ + os_mutex_t mutex) /*!< in: mutex to free */ +{ + ut_a(mutex); + + if (UNIV_LIKELY(!os_sync_free_called)) { + os_event_free_internal(mutex->event); + } + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + os_mutex_enter(os_sync_mutex); + } + + UT_LIST_REMOVE(os_mutex_list, os_mutex_list, mutex); + + os_mutex_count--; + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + os_mutex_exit(os_sync_mutex); + } + +#ifdef __WIN__ + ut_a(CloseHandle(mutex->handle)); + + ut_free(mutex); +#else + os_fast_mutex_free(mutex->handle); + ut_free(mutex->handle); + ut_free(mutex); +#endif +} + +/*********************************************************//** +Initializes an operating system fast mutex semaphore. */ +UNIV_INTERN +void +os_fast_mutex_init( +/*===============*/ + os_fast_mutex_t* fast_mutex) /*!< in: fast mutex */ +{ +#ifdef __WIN__ + ut_a(fast_mutex); + + InitializeCriticalSection((LPCRITICAL_SECTION) fast_mutex); +#else + ut_a(0 == pthread_mutex_init(fast_mutex, MY_MUTEX_INIT_FAST)); +#endif + if (UNIV_LIKELY(os_sync_mutex_inited)) { + /* When creating os_sync_mutex itself (in Unix) we cannot + reserve it */ + + os_mutex_enter(os_sync_mutex); + } + + os_fast_mutex_count++; + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + os_mutex_exit(os_sync_mutex); + } +} + +/**********************************************************//** +Acquires ownership of a fast mutex. */ +UNIV_INTERN +void +os_fast_mutex_lock( +/*===============*/ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ +{ +#ifdef __WIN__ + EnterCriticalSection((LPCRITICAL_SECTION) fast_mutex); +#else + pthread_mutex_lock(fast_mutex); +#endif +} + +/**********************************************************//** +Releases ownership of a fast mutex. */ +UNIV_INTERN +void +os_fast_mutex_unlock( +/*=================*/ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to release */ +{ +#ifdef __WIN__ + LeaveCriticalSection(fast_mutex); +#else + pthread_mutex_unlock(fast_mutex); +#endif +} + +/**********************************************************//** +Frees a mutex object. */ +UNIV_INTERN +void +os_fast_mutex_free( +/*===============*/ + os_fast_mutex_t* fast_mutex) /*!< in: mutex to free */ +{ +#ifdef __WIN__ + ut_a(fast_mutex); + + DeleteCriticalSection((LPCRITICAL_SECTION) fast_mutex); +#else + int ret; + + ret = pthread_mutex_destroy(fast_mutex); + + if (UNIV_UNLIKELY(ret != 0)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: error: return value %lu when calling\n" + "InnoDB: pthread_mutex_destroy().\n", (ulint)ret); + fprintf(stderr, + "InnoDB: Byte contents of the pthread mutex at %p:\n", + (void*) fast_mutex); + ut_print_buf(stderr, fast_mutex, sizeof(os_fast_mutex_t)); + putc('\n', stderr); + } +#endif + if (UNIV_LIKELY(os_sync_mutex_inited)) { + /* When freeing the last mutexes, we have + already freed os_sync_mutex */ + + os_mutex_enter(os_sync_mutex); + } + + ut_ad(os_fast_mutex_count > 0); + os_fast_mutex_count--; + + if (UNIV_LIKELY(os_sync_mutex_inited)) { + os_mutex_exit(os_sync_mutex); + } +} diff --git a/perfschema/os/os0thread.c b/perfschema/os/os0thread.c new file mode 100644 index 00000000000..ac733373646 --- /dev/null +++ b/perfschema/os/os0thread.c @@ -0,0 +1,361 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file os/os0thread.c +The interface to the operating system thread control primitives + +Created 9/8/1995 Heikki Tuuri +*******************************************************/ + +#include "os0thread.h" +#ifdef UNIV_NONINL +#include "os0thread.ic" +#endif + +#ifdef __WIN__ +#include +#endif + +#ifndef UNIV_HOTBACKUP +#include "srv0srv.h" +#include "os0sync.h" + +/***************************************************************//** +Compares two thread ids for equality. +@return TRUE if equal */ +UNIV_INTERN +ibool +os_thread_eq( +/*=========*/ + os_thread_id_t a, /*!< in: OS thread or thread id */ + os_thread_id_t b) /*!< in: OS thread or thread id */ +{ +#ifdef __WIN__ + if (a == b) { + return(TRUE); + } + + return(FALSE); +#else + if (pthread_equal(a, b)) { + return(TRUE); + } + + return(FALSE); +#endif +} + +/****************************************************************//** +Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is +unique for the thread though! +@return thread identifier as a number */ +UNIV_INTERN +ulint +os_thread_pf( +/*=========*/ + os_thread_id_t a) /*!< in: OS thread identifier */ +{ +#ifdef UNIV_HPUX10 + /* In HP-UX-10.20 a pthread_t is a struct of 3 fields: field1, field2, + field3. We do not know if field1 determines the thread uniquely. */ + + return((ulint)(a.field1)); +#else + return((ulint)a); +#endif +} + +/*****************************************************************//** +Returns the thread identifier of current thread. Currently the thread +identifier in Unix is the thread handle itself. Note that in HP-UX +pthread_t is a struct of 3 fields. +@return current thread identifier */ +UNIV_INTERN +os_thread_id_t +os_thread_get_curr_id(void) +/*=======================*/ +{ +#ifdef __WIN__ + return(GetCurrentThreadId()); +#else + return(pthread_self()); +#endif +} + +/****************************************************************//** +Creates a new thread of execution. The execution starts from +the function given. The start function takes a void* parameter +and returns an ulint. +@return handle to the thread */ +UNIV_INTERN +os_thread_t +os_thread_create( +/*=============*/ +#ifndef __WIN__ + os_posix_f_t start_f, +#else + ulint (*start_f)(void*), /*!< in: pointer to function + from which to start */ +#endif + void* arg, /*!< in: argument to start + function */ + os_thread_id_t* thread_id) /*!< out: id of the created + thread, or NULL */ +{ +#ifdef __WIN__ + os_thread_t thread; + DWORD win_thread_id; + + os_mutex_enter(os_sync_mutex); + os_thread_count++; + os_mutex_exit(os_sync_mutex); + + thread = CreateThread(NULL, /* no security attributes */ + 0, /* default size stack */ + (LPTHREAD_START_ROUTINE)start_f, + arg, + 0, /* thread runs immediately */ + &win_thread_id); + + if (thread_id) { + *thread_id = win_thread_id; + } + + return(thread); +#else + int ret; + os_thread_t pthread; + pthread_attr_t attr; + +#ifndef UNIV_HPUX10 + pthread_attr_init(&attr); +#endif + +#ifdef UNIV_AIX + /* We must make sure a thread stack is at least 32 kB, otherwise + InnoDB might crash; we do not know if the default stack size on + AIX is always big enough. An empirical test on AIX-4.3 suggested + the size was 96 kB, though. */ + + ret = pthread_attr_setstacksize(&attr, + (size_t)(PTHREAD_STACK_MIN + + 32 * 1024)); + if (ret) { + fprintf(stderr, + "InnoDB: Error: pthread_attr_setstacksize" + " returned %d\n", ret); + exit(1); + } +#endif +#ifdef __NETWARE__ + ret = pthread_attr_setstacksize(&attr, + (size_t) NW_THD_STACKSIZE); + if (ret) { + fprintf(stderr, + "InnoDB: Error: pthread_attr_setstacksize" + " returned %d\n", ret); + exit(1); + } +#endif + os_mutex_enter(os_sync_mutex); + os_thread_count++; + os_mutex_exit(os_sync_mutex); + +#ifdef UNIV_HPUX10 + ret = pthread_create(&pthread, pthread_attr_default, start_f, arg); +#else + ret = pthread_create(&pthread, &attr, start_f, arg); +#endif + if (ret) { + fprintf(stderr, + "InnoDB: Error: pthread_create returned %d\n", ret); + exit(1); + } + +#ifndef UNIV_HPUX10 + pthread_attr_destroy(&attr); +#endif + if (thread_id) { + *thread_id = pthread; + } + + return(pthread); +#endif +} + +/*****************************************************************//** +Exits the current thread. */ +UNIV_INTERN +void +os_thread_exit( +/*===========*/ + void* exit_value) /*!< in: exit value; in Windows this void* + is cast as a DWORD */ +{ +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "Thread exits, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif + os_mutex_enter(os_sync_mutex); + os_thread_count--; + os_mutex_exit(os_sync_mutex); + +#ifdef __WIN__ + ExitThread((DWORD)exit_value); +#else + pthread_detach(pthread_self()); + pthread_exit(exit_value); +#endif +} + +/*****************************************************************//** +Returns handle to the current thread. +@return current thread handle */ +UNIV_INTERN +os_thread_t +os_thread_get_curr(void) +/*====================*/ +{ +#ifdef __WIN__ + return(GetCurrentThread()); +#else + return(pthread_self()); +#endif +} + +/*****************************************************************//** +Advises the os to give up remainder of the thread's time slice. */ +UNIV_INTERN +void +os_thread_yield(void) +/*=================*/ +{ +#if defined(__WIN__) + Sleep(0); +#elif (defined(HAVE_SCHED_YIELD) && defined(HAVE_SCHED_H)) + sched_yield(); +#elif defined(HAVE_PTHREAD_YIELD_ZERO_ARG) + pthread_yield(); +#elif defined(HAVE_PTHREAD_YIELD_ONE_ARG) + pthread_yield(0); +#else + os_thread_sleep(0); +#endif +} +#endif /* !UNIV_HOTBACKUP */ + +/*****************************************************************//** +The thread sleeps at least the time given in microseconds. */ +UNIV_INTERN +void +os_thread_sleep( +/*============*/ + ulint tm) /*!< in: time in microseconds */ +{ +#ifdef __WIN__ + Sleep((DWORD) tm / 1000); +#elif defined(__NETWARE__) + delay(tm / 1000); +#else + struct timeval t; + + t.tv_sec = tm / 1000000; + t.tv_usec = tm % 1000000; + + select(0, NULL, NULL, NULL, &t); +#endif +} + +#ifndef UNIV_HOTBACKUP +/******************************************************************//** +Sets a thread priority. */ +UNIV_INTERN +void +os_thread_set_priority( +/*===================*/ + os_thread_t handle, /*!< in: OS handle to the thread */ + ulint pri) /*!< in: priority */ +{ +#ifdef __WIN__ + int os_pri; + + if (pri == OS_THREAD_PRIORITY_BACKGROUND) { + os_pri = THREAD_PRIORITY_BELOW_NORMAL; + } else if (pri == OS_THREAD_PRIORITY_NORMAL) { + os_pri = THREAD_PRIORITY_NORMAL; + } else if (pri == OS_THREAD_PRIORITY_ABOVE_NORMAL) { + os_pri = THREAD_PRIORITY_HIGHEST; + } else { + ut_error; + } + + ut_a(SetThreadPriority(handle, os_pri)); +#else + UT_NOT_USED(handle); + UT_NOT_USED(pri); +#endif +} + +/******************************************************************//** +Gets a thread priority. +@return priority */ +UNIV_INTERN +ulint +os_thread_get_priority( +/*===================*/ + os_thread_t handle __attribute__((unused))) + /*!< in: OS handle to the thread */ +{ +#ifdef __WIN__ + int os_pri; + ulint pri; + + os_pri = GetThreadPriority(handle); + + if (os_pri == THREAD_PRIORITY_BELOW_NORMAL) { + pri = OS_THREAD_PRIORITY_BACKGROUND; + } else if (os_pri == THREAD_PRIORITY_NORMAL) { + pri = OS_THREAD_PRIORITY_NORMAL; + } else if (os_pri == THREAD_PRIORITY_HIGHEST) { + pri = OS_THREAD_PRIORITY_ABOVE_NORMAL; + } else { + ut_error; + } + + return(pri); +#else + return(0); +#endif +} + +/******************************************************************//** +Gets the last operating system error code for the calling thread. +@return last error on Windows, 0 otherwise */ +UNIV_INTERN +ulint +os_thread_get_last_error(void) +/*==========================*/ +{ +#ifdef __WIN__ + return(GetLastError()); +#else + return(0); +#endif +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/page/page0cur.c b/perfschema/page/page0cur.c new file mode 100644 index 00000000000..f10f16a7dd9 --- /dev/null +++ b/perfschema/page/page0cur.c @@ -0,0 +1,1987 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file page/page0cur.c +The page cursor + +Created 10/4/1994 Heikki Tuuri +*************************************************************************/ + +#include "page0cur.h" +#ifdef UNIV_NONINL +#include "page0cur.ic" +#endif + +#include "page0zip.h" +#include "mtr0log.h" +#include "log0recv.h" +#include "ut0ut.h" +#ifndef UNIV_HOTBACKUP +#include "rem0cmp.h" + +#ifdef PAGE_CUR_ADAPT +# ifdef UNIV_SEARCH_PERF_STAT +static ulint page_cur_short_succ = 0; +# endif /* UNIV_SEARCH_PERF_STAT */ + +/*******************************************************************//** +This is a linear congruential generator PRNG. Returns a pseudo random +number between 0 and 2^64-1 inclusive. The formula and the constants +being used are: +X[n+1] = (a * X[n] + c) mod m +where: +X[0] = ut_time_us(NULL) +a = 1103515245 (3^5 * 5 * 7 * 129749) +c = 12345 (3 * 5 * 823) +m = 18446744073709551616 (2^64) + +@return number between 0 and 2^64-1 */ +static +ib_uint64_t +page_cur_lcg_prng(void) +/*===================*/ +{ +#define LCG_a 1103515245 +#define LCG_c 12345 + static ib_uint64_t lcg_current = 0; + static ibool initialized = FALSE; + + if (!initialized) { + lcg_current = (ib_uint64_t) ut_time_us(NULL); + initialized = TRUE; + } + + /* no need to "% 2^64" explicitly because lcg_current is + 64 bit and this will be done anyway */ + lcg_current = LCG_a * lcg_current + LCG_c; + + return(lcg_current); +} + +/****************************************************************//** +Tries a search shortcut based on the last insert. +@return TRUE on success */ +UNIV_INLINE +ibool +page_cur_try_search_shortcut( +/*=========================*/ + const buf_block_t* block, /*!< in: index page */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint* iup_matched_fields, + /*!< in/out: already matched + fields in upper limit record */ + ulint* iup_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + ulint* ilow_matched_fields, + /*!< in/out: already matched + fields in lower limit record */ + ulint* ilow_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + page_cur_t* cursor) /*!< out: page cursor */ +{ + const rec_t* rec; + const rec_t* next_rec; + ulint low_match; + ulint low_bytes; + ulint up_match; + ulint up_bytes; +#ifdef UNIV_SEARCH_DEBUG + page_cur_t cursor2; +#endif + ibool success = FALSE; + const page_t* page = buf_block_get_frame(block); + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(dtuple_check_typed(tuple)); + + rec = page_header_get_ptr(page, PAGE_LAST_INSERT); + offsets = rec_get_offsets(rec, index, offsets, + dtuple_get_n_fields(tuple), &heap); + + ut_ad(rec); + ut_ad(page_rec_is_user_rec(rec)); + + ut_pair_min(&low_match, &low_bytes, + *ilow_matched_fields, *ilow_matched_bytes, + *iup_matched_fields, *iup_matched_bytes); + + up_match = low_match; + up_bytes = low_bytes; + + if (page_cmp_dtuple_rec_with_match(tuple, rec, offsets, + &low_match, &low_bytes) < 0) { + goto exit_func; + } + + next_rec = page_rec_get_next_const(rec); + offsets = rec_get_offsets(next_rec, index, offsets, + dtuple_get_n_fields(tuple), &heap); + + if (page_cmp_dtuple_rec_with_match(tuple, next_rec, offsets, + &up_match, &up_bytes) >= 0) { + goto exit_func; + } + + page_cur_position(rec, block, cursor); + +#ifdef UNIV_SEARCH_DEBUG + page_cur_search_with_match(block, index, tuple, PAGE_CUR_DBG, + iup_matched_fields, + iup_matched_bytes, + ilow_matched_fields, + ilow_matched_bytes, + &cursor2); + ut_a(cursor2.rec == cursor->rec); + + if (!page_rec_is_supremum(next_rec)) { + + ut_a(*iup_matched_fields == up_match); + ut_a(*iup_matched_bytes == up_bytes); + } + + ut_a(*ilow_matched_fields == low_match); + ut_a(*ilow_matched_bytes == low_bytes); +#endif + if (!page_rec_is_supremum(next_rec)) { + + *iup_matched_fields = up_match; + *iup_matched_bytes = up_bytes; + } + + *ilow_matched_fields = low_match; + *ilow_matched_bytes = low_bytes; + +#ifdef UNIV_SEARCH_PERF_STAT + page_cur_short_succ++; +#endif + success = TRUE; +exit_func: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(success); +} + +#endif + +#ifdef PAGE_CUR_LE_OR_EXTENDS +/****************************************************************//** +Checks if the nth field in a record is a character type field which extends +the nth field in tuple, i.e., the field is longer or equal in length and has +common first characters. +@return TRUE if rec field extends tuple field */ +static +ibool +page_cur_rec_field_extends( +/*=======================*/ + const dtuple_t* tuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint n) /*!< in: compare nth field */ +{ + const dtype_t* type; + const dfield_t* dfield; + const byte* rec_f; + ulint rec_f_len; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + dfield = dtuple_get_nth_field(tuple, n); + + type = dfield_get_type(dfield); + + rec_f = rec_get_nth_field(rec, offsets, n, &rec_f_len); + + if (type->mtype == DATA_VARCHAR + || type->mtype == DATA_CHAR + || type->mtype == DATA_FIXBINARY + || type->mtype == DATA_BINARY + || type->mtype == DATA_BLOB + || type->mtype == DATA_VARMYSQL + || type->mtype == DATA_MYSQL) { + + if (dfield_get_len(dfield) != UNIV_SQL_NULL + && rec_f_len != UNIV_SQL_NULL + && rec_f_len >= dfield_get_len(dfield) + && !cmp_data_data_slow(type->mtype, type->prtype, + dfield_get_data(dfield), + dfield_get_len(dfield), + rec_f, dfield_get_len(dfield))) { + + return(TRUE); + } + } + + return(FALSE); +} +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + +/****************************************************************//** +Searches the right position for a page cursor. */ +UNIV_INTERN +void +page_cur_search_with_match( +/*=======================*/ + const buf_block_t* block, /*!< in: buffer block */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* tuple, /*!< in: data tuple */ + ulint mode, /*!< in: PAGE_CUR_L, + PAGE_CUR_LE, PAGE_CUR_G, or + PAGE_CUR_GE */ + ulint* iup_matched_fields, + /*!< in/out: already matched + fields in upper limit record */ + ulint* iup_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + ulint* ilow_matched_fields, + /*!< in/out: already matched + fields in lower limit record */ + ulint* ilow_matched_bytes, + /*!< in/out: already matched + bytes in a field not yet + completely matched */ + page_cur_t* cursor) /*!< out: page cursor */ +{ + ulint up; + ulint low; + ulint mid; + const page_t* page; + const page_dir_slot_t* slot; + const rec_t* up_rec; + const rec_t* low_rec; + const rec_t* mid_rec; + ulint up_matched_fields; + ulint up_matched_bytes; + ulint low_matched_fields; + ulint low_matched_bytes; + ulint cur_matched_fields; + ulint cur_matched_bytes; + int cmp; +#ifdef UNIV_SEARCH_DEBUG + int dbg_cmp; + ulint dbg_matched_fields; + ulint dbg_matched_bytes; +#endif +#ifdef UNIV_ZIP_DEBUG + const page_zip_des_t* page_zip = buf_block_get_page_zip(block); +#endif /* UNIV_ZIP_DEBUG */ + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(block && tuple && iup_matched_fields && iup_matched_bytes + && ilow_matched_fields && ilow_matched_bytes && cursor); + ut_ad(dtuple_validate(tuple)); +#ifdef UNIV_DEBUG +# ifdef PAGE_CUR_DBG + if (mode != PAGE_CUR_DBG) +# endif /* PAGE_CUR_DBG */ +# ifdef PAGE_CUR_LE_OR_EXTENDS + if (mode != PAGE_CUR_LE_OR_EXTENDS) +# endif /* PAGE_CUR_LE_OR_EXTENDS */ + ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE + || mode == PAGE_CUR_G || mode == PAGE_CUR_GE); +#endif /* UNIV_DEBUG */ + page = buf_block_get_frame(block); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + page_check_dir(page); + +#ifdef PAGE_CUR_ADAPT + if (page_is_leaf(page) + && (mode == PAGE_CUR_LE) + && (page_header_get_field(page, PAGE_N_DIRECTION) > 3) + && (page_header_get_ptr(page, PAGE_LAST_INSERT)) + && (page_header_get_field(page, PAGE_DIRECTION) == PAGE_RIGHT)) { + + if (page_cur_try_search_shortcut( + block, index, tuple, + iup_matched_fields, iup_matched_bytes, + ilow_matched_fields, ilow_matched_bytes, + cursor)) { + return; + } + } +# ifdef PAGE_CUR_DBG + if (mode == PAGE_CUR_DBG) { + mode = PAGE_CUR_LE; + } +# endif +#endif + + /* The following flag does not work for non-latin1 char sets because + cmp_full_field does not tell how many bytes matched */ +#ifdef PAGE_CUR_LE_OR_EXTENDS + ut_a(mode != PAGE_CUR_LE_OR_EXTENDS); +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + + /* If mode PAGE_CUR_G is specified, we are trying to position the + cursor to answer a query of the form "tuple < X", where tuple is + the input parameter, and X denotes an arbitrary physical record on + the page. We want to position the cursor on the first X which + satisfies the condition. */ + + up_matched_fields = *iup_matched_fields; + up_matched_bytes = *iup_matched_bytes; + low_matched_fields = *ilow_matched_fields; + low_matched_bytes = *ilow_matched_bytes; + + /* Perform binary search. First the search is done through the page + directory, after that as a linear search in the list of records + owned by the upper limit directory slot. */ + + low = 0; + up = page_dir_get_n_slots(page) - 1; + + /* Perform binary search until the lower and upper limit directory + slots come to the distance 1 of each other */ + + while (up - low > 1) { + mid = (low + up) / 2; + slot = page_dir_get_nth_slot(page, mid); + mid_rec = page_dir_slot_get_rec(slot); + + ut_pair_min(&cur_matched_fields, &cur_matched_bytes, + low_matched_fields, low_matched_bytes, + up_matched_fields, up_matched_bytes); + + offsets = rec_get_offsets(mid_rec, index, offsets, + dtuple_get_n_fields_cmp(tuple), + &heap); + + cmp = cmp_dtuple_rec_with_match(tuple, mid_rec, offsets, + &cur_matched_fields, + &cur_matched_bytes); + if (UNIV_LIKELY(cmp > 0)) { +low_slot_match: + low = mid; + low_matched_fields = cur_matched_fields; + low_matched_bytes = cur_matched_bytes; + + } else if (UNIV_EXPECT(cmp, -1)) { +#ifdef PAGE_CUR_LE_OR_EXTENDS + if (mode == PAGE_CUR_LE_OR_EXTENDS + && page_cur_rec_field_extends( + tuple, mid_rec, offsets, + cur_matched_fields)) { + + goto low_slot_match; + } +#endif /* PAGE_CUR_LE_OR_EXTENDS */ +up_slot_match: + up = mid; + up_matched_fields = cur_matched_fields; + up_matched_bytes = cur_matched_bytes; + + } else if (mode == PAGE_CUR_G || mode == PAGE_CUR_LE +#ifdef PAGE_CUR_LE_OR_EXTENDS + || mode == PAGE_CUR_LE_OR_EXTENDS +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + ) { + + goto low_slot_match; + } else { + + goto up_slot_match; + } + } + + slot = page_dir_get_nth_slot(page, low); + low_rec = page_dir_slot_get_rec(slot); + slot = page_dir_get_nth_slot(page, up); + up_rec = page_dir_slot_get_rec(slot); + + /* Perform linear search until the upper and lower records come to + distance 1 of each other. */ + + while (page_rec_get_next_const(low_rec) != up_rec) { + + mid_rec = page_rec_get_next_const(low_rec); + + ut_pair_min(&cur_matched_fields, &cur_matched_bytes, + low_matched_fields, low_matched_bytes, + up_matched_fields, up_matched_bytes); + + offsets = rec_get_offsets(mid_rec, index, offsets, + dtuple_get_n_fields_cmp(tuple), + &heap); + + cmp = cmp_dtuple_rec_with_match(tuple, mid_rec, offsets, + &cur_matched_fields, + &cur_matched_bytes); + if (UNIV_LIKELY(cmp > 0)) { +low_rec_match: + low_rec = mid_rec; + low_matched_fields = cur_matched_fields; + low_matched_bytes = cur_matched_bytes; + + } else if (UNIV_EXPECT(cmp, -1)) { +#ifdef PAGE_CUR_LE_OR_EXTENDS + if (mode == PAGE_CUR_LE_OR_EXTENDS + && page_cur_rec_field_extends( + tuple, mid_rec, offsets, + cur_matched_fields)) { + + goto low_rec_match; + } +#endif /* PAGE_CUR_LE_OR_EXTENDS */ +up_rec_match: + up_rec = mid_rec; + up_matched_fields = cur_matched_fields; + up_matched_bytes = cur_matched_bytes; + } else if (mode == PAGE_CUR_G || mode == PAGE_CUR_LE +#ifdef PAGE_CUR_LE_OR_EXTENDS + || mode == PAGE_CUR_LE_OR_EXTENDS +#endif /* PAGE_CUR_LE_OR_EXTENDS */ + ) { + + goto low_rec_match; + } else { + + goto up_rec_match; + } + } + +#ifdef UNIV_SEARCH_DEBUG + + /* Check that the lower and upper limit records have the + right alphabetical order compared to tuple. */ + dbg_matched_fields = 0; + dbg_matched_bytes = 0; + + offsets = rec_get_offsets(low_rec, index, offsets, + ULINT_UNDEFINED, &heap); + dbg_cmp = page_cmp_dtuple_rec_with_match(tuple, low_rec, offsets, + &dbg_matched_fields, + &dbg_matched_bytes); + if (mode == PAGE_CUR_G) { + ut_a(dbg_cmp >= 0); + } else if (mode == PAGE_CUR_GE) { + ut_a(dbg_cmp == 1); + } else if (mode == PAGE_CUR_L) { + ut_a(dbg_cmp == 1); + } else if (mode == PAGE_CUR_LE) { + ut_a(dbg_cmp >= 0); + } + + if (!page_rec_is_infimum(low_rec)) { + + ut_a(low_matched_fields == dbg_matched_fields); + ut_a(low_matched_bytes == dbg_matched_bytes); + } + + dbg_matched_fields = 0; + dbg_matched_bytes = 0; + + offsets = rec_get_offsets(up_rec, index, offsets, + ULINT_UNDEFINED, &heap); + dbg_cmp = page_cmp_dtuple_rec_with_match(tuple, up_rec, offsets, + &dbg_matched_fields, + &dbg_matched_bytes); + if (mode == PAGE_CUR_G) { + ut_a(dbg_cmp == -1); + } else if (mode == PAGE_CUR_GE) { + ut_a(dbg_cmp <= 0); + } else if (mode == PAGE_CUR_L) { + ut_a(dbg_cmp <= 0); + } else if (mode == PAGE_CUR_LE) { + ut_a(dbg_cmp == -1); + } + + if (!page_rec_is_supremum(up_rec)) { + + ut_a(up_matched_fields == dbg_matched_fields); + ut_a(up_matched_bytes == dbg_matched_bytes); + } +#endif + if (mode <= PAGE_CUR_GE) { + page_cur_position(up_rec, block, cursor); + } else { + page_cur_position(low_rec, block, cursor); + } + + *iup_matched_fields = up_matched_fields; + *iup_matched_bytes = up_matched_bytes; + *ilow_matched_fields = low_matched_fields; + *ilow_matched_bytes = low_matched_bytes; + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/***********************************************************//** +Positions a page cursor on a randomly chosen user record on a page. If there +are no user records, sets the cursor on the infimum record. */ +UNIV_INTERN +void +page_cur_open_on_rnd_user_rec( +/*==========================*/ + buf_block_t* block, /*!< in: page */ + page_cur_t* cursor) /*!< out: page cursor */ +{ + ulint rnd; + ulint n_recs = page_get_n_recs(buf_block_get_frame(block)); + + page_cur_set_before_first(block, cursor); + + if (UNIV_UNLIKELY(n_recs == 0)) { + + return; + } + + rnd = (ulint) (page_cur_lcg_prng() % n_recs); + + do { + page_cur_move_to_next(cursor); + } while (rnd--); +} + +/***********************************************************//** +Writes the log record of a record insert on a page. */ +static +void +page_cur_insert_rec_write_log( +/*==========================*/ + rec_t* insert_rec, /*!< in: inserted physical record */ + ulint rec_size, /*!< in: insert_rec size */ + rec_t* cursor_rec, /*!< in: record the + cursor is pointing to */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + ulint cur_rec_size; + ulint extra_size; + ulint cur_extra_size; + const byte* ins_ptr; + byte* log_ptr; + const byte* log_end; + ulint i; + + ut_a(rec_size < UNIV_PAGE_SIZE); + ut_ad(page_align(insert_rec) == page_align(cursor_rec)); + ut_ad(!page_rec_is_comp(insert_rec) + == !dict_table_is_comp(index->table)); + + { + mem_heap_t* heap = NULL; + ulint cur_offs_[REC_OFFS_NORMAL_SIZE]; + ulint ins_offs_[REC_OFFS_NORMAL_SIZE]; + + ulint* cur_offs; + ulint* ins_offs; + + rec_offs_init(cur_offs_); + rec_offs_init(ins_offs_); + + cur_offs = rec_get_offsets(cursor_rec, index, cur_offs_, + ULINT_UNDEFINED, &heap); + ins_offs = rec_get_offsets(insert_rec, index, ins_offs_, + ULINT_UNDEFINED, &heap); + + extra_size = rec_offs_extra_size(ins_offs); + cur_extra_size = rec_offs_extra_size(cur_offs); + ut_ad(rec_size == rec_offs_size(ins_offs)); + cur_rec_size = rec_offs_size(cur_offs); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + ins_ptr = insert_rec - extra_size; + + i = 0; + + if (cur_extra_size == extra_size) { + ulint min_rec_size = ut_min(cur_rec_size, rec_size); + + const byte* cur_ptr = cursor_rec - cur_extra_size; + + /* Find out the first byte in insert_rec which differs from + cursor_rec; skip the bytes in the record info */ + + do { + if (*ins_ptr == *cur_ptr) { + i++; + ins_ptr++; + cur_ptr++; + } else if ((i < extra_size) + && (i >= extra_size + - page_rec_get_base_extra_size + (insert_rec))) { + i = extra_size; + ins_ptr = insert_rec; + cur_ptr = cursor_rec; + } else { + break; + } + } while (i < min_rec_size); + } + + if (mtr_get_log_mode(mtr) != MTR_LOG_SHORT_INSERTS) { + + if (page_rec_is_comp(insert_rec)) { + log_ptr = mlog_open_and_write_index( + mtr, insert_rec, index, MLOG_COMP_REC_INSERT, + 2 + 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN); + if (UNIV_UNLIKELY(!log_ptr)) { + /* Logging in mtr is switched off + during crash recovery: in that case + mlog_open returns NULL */ + return; + } + } else { + log_ptr = mlog_open(mtr, 11 + + 2 + 5 + 1 + 5 + 5 + + MLOG_BUF_MARGIN); + if (UNIV_UNLIKELY(!log_ptr)) { + /* Logging in mtr is switched off + during crash recovery: in that case + mlog_open returns NULL */ + return; + } + + log_ptr = mlog_write_initial_log_record_fast( + insert_rec, MLOG_REC_INSERT, log_ptr, mtr); + } + + log_end = &log_ptr[2 + 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN]; + /* Write the cursor rec offset as a 2-byte ulint */ + mach_write_to_2(log_ptr, page_offset(cursor_rec)); + log_ptr += 2; + } else { + log_ptr = mlog_open(mtr, 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN); + if (!log_ptr) { + /* Logging in mtr is switched off during crash + recovery: in that case mlog_open returns NULL */ + return; + } + log_end = &log_ptr[5 + 1 + 5 + 5 + MLOG_BUF_MARGIN]; + } + + if (page_rec_is_comp(insert_rec)) { + if (UNIV_UNLIKELY + (rec_get_info_and_status_bits(insert_rec, TRUE) + != rec_get_info_and_status_bits(cursor_rec, TRUE))) { + + goto need_extra_info; + } + } else { + if (UNIV_UNLIKELY + (rec_get_info_and_status_bits(insert_rec, FALSE) + != rec_get_info_and_status_bits(cursor_rec, FALSE))) { + + goto need_extra_info; + } + } + + if (extra_size != cur_extra_size || rec_size != cur_rec_size) { +need_extra_info: + /* Write the record end segment length + and the extra info storage flag */ + log_ptr += mach_write_compressed(log_ptr, + 2 * (rec_size - i) + 1); + + /* Write the info bits */ + mach_write_to_1(log_ptr, + rec_get_info_and_status_bits( + insert_rec, + page_rec_is_comp(insert_rec))); + log_ptr++; + + /* Write the record origin offset */ + log_ptr += mach_write_compressed(log_ptr, extra_size); + + /* Write the mismatch index */ + log_ptr += mach_write_compressed(log_ptr, i); + + ut_a(i < UNIV_PAGE_SIZE); + ut_a(extra_size < UNIV_PAGE_SIZE); + } else { + /* Write the record end segment length + and the extra info storage flag */ + log_ptr += mach_write_compressed(log_ptr, 2 * (rec_size - i)); + } + + /* Write to the log the inserted index record end segment which + differs from the cursor record */ + + rec_size -= i; + + if (log_ptr + rec_size <= log_end) { + memcpy(log_ptr, ins_ptr, rec_size); + mlog_close(mtr, log_ptr + rec_size); + } else { + mlog_close(mtr, log_ptr); + ut_a(rec_size < UNIV_PAGE_SIZE); + mlog_catenate_string(mtr, ins_ptr, rec_size); + } +} +#else /* !UNIV_HOTBACKUP */ +# define page_cur_insert_rec_write_log(ins_rec,size,cur,index,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a log record of a record insert on a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_cur_parse_insert_rec( +/*======================*/ + ibool is_short,/*!< in: TRUE if short inserts */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ulint origin_offset; + ulint end_seg_len; + ulint mismatch_index; + page_t* page; + rec_t* cursor_rec; + byte buf1[1024]; + byte* buf; + byte* ptr2 = ptr; + ulint info_and_status_bits = 0; /* remove warning */ + page_cur_t cursor; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + page = block ? buf_block_get_frame(block) : NULL; + + if (is_short) { + cursor_rec = page_rec_get_prev(page_get_supremum_rec(page)); + } else { + ulint offset; + + /* Read the cursor rec offset as a 2-byte ulint */ + + if (UNIV_UNLIKELY(end_ptr < ptr + 2)) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + ptr += 2; + + cursor_rec = page + offset; + + if (UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE)) { + + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + } + + ptr = mach_parse_compressed(ptr, end_ptr, &end_seg_len); + + if (ptr == NULL) { + + return(NULL); + } + + if (UNIV_UNLIKELY(end_seg_len >= UNIV_PAGE_SIZE << 1)) { + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (end_seg_len & 0x1UL) { + /* Read the info bits */ + + if (end_ptr < ptr + 1) { + + return(NULL); + } + + info_and_status_bits = mach_read_from_1(ptr); + ptr++; + + ptr = mach_parse_compressed(ptr, end_ptr, &origin_offset); + + if (ptr == NULL) { + + return(NULL); + } + + ut_a(origin_offset < UNIV_PAGE_SIZE); + + ptr = mach_parse_compressed(ptr, end_ptr, &mismatch_index); + + if (ptr == NULL) { + + return(NULL); + } + + ut_a(mismatch_index < UNIV_PAGE_SIZE); + } + + if (UNIV_UNLIKELY(end_ptr < ptr + (end_seg_len >> 1))) { + + return(NULL); + } + + if (!block) { + + return(ptr + (end_seg_len >> 1)); + } + + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + ut_ad(!buf_block_get_page_zip(block) || page_is_comp(page)); + + /* Read from the log the inserted index record end segment which + differs from the cursor record */ + + offsets = rec_get_offsets(cursor_rec, index, offsets, + ULINT_UNDEFINED, &heap); + + if (!(end_seg_len & 0x1UL)) { + info_and_status_bits = rec_get_info_and_status_bits( + cursor_rec, page_is_comp(page)); + origin_offset = rec_offs_extra_size(offsets); + mismatch_index = rec_offs_size(offsets) - (end_seg_len >> 1); + } + + end_seg_len >>= 1; + + if (mismatch_index + end_seg_len < sizeof buf1) { + buf = buf1; + } else { + buf = mem_alloc(mismatch_index + end_seg_len); + } + + /* Build the inserted record to buf */ + + if (UNIV_UNLIKELY(mismatch_index >= UNIV_PAGE_SIZE)) { + fprintf(stderr, + "Is short %lu, info_and_status_bits %lu, offset %lu, " + "o_offset %lu\n" + "mismatch index %lu, end_seg_len %lu\n" + "parsed len %lu\n", + (ulong) is_short, (ulong) info_and_status_bits, + (ulong) page_offset(cursor_rec), + (ulong) origin_offset, + (ulong) mismatch_index, (ulong) end_seg_len, + (ulong) (ptr - ptr2)); + + fputs("Dump of 300 bytes of log:\n", stderr); + ut_print_buf(stderr, ptr2, 300); + putc('\n', stderr); + + buf_page_print(page, 0); + + ut_error; + } + + ut_memcpy(buf, rec_get_start(cursor_rec, offsets), mismatch_index); + ut_memcpy(buf + mismatch_index, ptr, end_seg_len); + + if (page_is_comp(page)) { + rec_set_info_and_status_bits(buf + origin_offset, + info_and_status_bits); + } else { + rec_set_info_bits_old(buf + origin_offset, + info_and_status_bits); + } + + page_cur_position(cursor_rec, block, &cursor); + + offsets = rec_get_offsets(buf + origin_offset, index, offsets, + ULINT_UNDEFINED, &heap); + if (UNIV_UNLIKELY(!page_cur_rec_insert(&cursor, + buf + origin_offset, + index, offsets, mtr))) { + /* The redo log record should only have been written + after the write was successful. */ + ut_error; + } + + if (buf != buf1) { + + mem_free(buf); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + return(ptr + end_seg_len); +} + +/***********************************************************//** +Inserts a record next to page cursor on an uncompressed page. +Returns pointer to inserted record if succeed, i.e., enough +space available, NULL otherwise. The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INTERN +rec_t* +page_cur_insert_rec_low( +/*====================*/ + rec_t* current_rec,/*!< in: pointer to current record after + which the new record is inserted */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ +{ + byte* insert_buf; + ulint rec_size; + page_t* page; /*!< the relevant page */ + rec_t* last_insert; /*!< cursor position at previous + insert */ + rec_t* free_rec; /*!< a free record that was reused, + or NULL */ + rec_t* insert_rec; /*!< inserted record */ + ulint heap_no; /*!< heap number of the inserted + record */ + + ut_ad(rec_offs_validate(rec, index, offsets)); + + page = page_align(current_rec); + ut_ad(dict_table_is_comp(index->table) + == (ibool) !!page_is_comp(page)); + + ut_ad(!page_rec_is_supremum(current_rec)); + + /* 1. Get the size of the physical record in the page */ + rec_size = rec_offs_size(offsets); + +#ifdef UNIV_DEBUG_VALGRIND + { + const void* rec_start + = rec - rec_offs_extra_size(offsets); + ulint extra_size + = rec_offs_extra_size(offsets) + - (rec_offs_comp(offsets) + ? REC_N_NEW_EXTRA_BYTES + : REC_N_OLD_EXTRA_BYTES); + + /* All data bytes of the record must be valid. */ + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + /* The variable-length header must be valid. */ + UNIV_MEM_ASSERT_RW(rec_start, extra_size); + } +#endif /* UNIV_DEBUG_VALGRIND */ + + /* 2. Try to find suitable space from page memory management */ + + free_rec = page_header_get_ptr(page, PAGE_FREE); + if (UNIV_LIKELY_NULL(free_rec)) { + /* Try to allocate from the head of the free list. */ + ulint foffsets_[REC_OFFS_NORMAL_SIZE]; + ulint* foffsets = foffsets_; + mem_heap_t* heap = NULL; + + rec_offs_init(foffsets_); + + foffsets = rec_get_offsets(free_rec, index, foffsets, + ULINT_UNDEFINED, &heap); + if (rec_offs_size(foffsets) < rec_size) { + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + goto use_heap; + } + + insert_buf = free_rec - rec_offs_extra_size(foffsets); + + if (page_is_comp(page)) { + heap_no = rec_get_heap_no_new(free_rec); + page_mem_alloc_free(page, NULL, + rec_get_next_ptr(free_rec, TRUE), + rec_size); + } else { + heap_no = rec_get_heap_no_old(free_rec); + page_mem_alloc_free(page, NULL, + rec_get_next_ptr(free_rec, FALSE), + rec_size); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } else { +use_heap: + free_rec = NULL; + insert_buf = page_mem_alloc_heap(page, NULL, + rec_size, &heap_no); + + if (UNIV_UNLIKELY(insert_buf == NULL)) { + return(NULL); + } + } + + /* 3. Create the record */ + insert_rec = rec_copy(insert_buf, rec, offsets); + rec_offs_make_valid(insert_rec, index, offsets); + + /* 4. Insert the record in the linked list of records */ + ut_ad(current_rec != insert_rec); + + { + /* next record after current before the insertion */ + rec_t* next_rec = page_rec_get_next(current_rec); +#ifdef UNIV_DEBUG + if (page_is_comp(page)) { + ut_ad(rec_get_status(current_rec) + <= REC_STATUS_INFIMUM); + ut_ad(rec_get_status(insert_rec) < REC_STATUS_INFIMUM); + ut_ad(rec_get_status(next_rec) != REC_STATUS_INFIMUM); + } +#endif + page_rec_set_next(insert_rec, next_rec); + page_rec_set_next(current_rec, insert_rec); + } + + page_header_set_field(page, NULL, PAGE_N_RECS, + 1 + page_get_n_recs(page)); + + /* 5. Set the n_owned field in the inserted record to zero, + and set the heap_no field */ + if (page_is_comp(page)) { + rec_set_n_owned_new(insert_rec, NULL, 0); + rec_set_heap_no_new(insert_rec, heap_no); + } else { + rec_set_n_owned_old(insert_rec, 0); + rec_set_heap_no_old(insert_rec, heap_no); + } + + UNIV_MEM_ASSERT_RW(rec_get_start(insert_rec, offsets), + rec_offs_size(offsets)); + /* 6. Update the last insertion info in page header */ + + last_insert = page_header_get_ptr(page, PAGE_LAST_INSERT); + ut_ad(!last_insert || !page_is_comp(page) + || rec_get_node_ptr_flag(last_insert) + == rec_get_node_ptr_flag(insert_rec)); + + if (UNIV_UNLIKELY(last_insert == NULL)) { + page_header_set_field(page, NULL, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); + + } else if ((last_insert == current_rec) + && (page_header_get_field(page, PAGE_DIRECTION) + != PAGE_LEFT)) { + + page_header_set_field(page, NULL, PAGE_DIRECTION, + PAGE_RIGHT); + page_header_set_field(page, NULL, PAGE_N_DIRECTION, + page_header_get_field( + page, PAGE_N_DIRECTION) + 1); + + } else if ((page_rec_get_next(insert_rec) == last_insert) + && (page_header_get_field(page, PAGE_DIRECTION) + != PAGE_RIGHT)) { + + page_header_set_field(page, NULL, PAGE_DIRECTION, + PAGE_LEFT); + page_header_set_field(page, NULL, PAGE_N_DIRECTION, + page_header_get_field( + page, PAGE_N_DIRECTION) + 1); + } else { + page_header_set_field(page, NULL, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); + } + + page_header_set_ptr(page, NULL, PAGE_LAST_INSERT, insert_rec); + + /* 7. It remains to update the owner record. */ + { + rec_t* owner_rec = page_rec_find_owner_rec(insert_rec); + ulint n_owned; + if (page_is_comp(page)) { + n_owned = rec_get_n_owned_new(owner_rec); + rec_set_n_owned_new(owner_rec, NULL, n_owned + 1); + } else { + n_owned = rec_get_n_owned_old(owner_rec); + rec_set_n_owned_old(owner_rec, n_owned + 1); + } + + /* 8. Now we have incremented the n_owned field of the owner + record. If the number exceeds PAGE_DIR_SLOT_MAX_N_OWNED, + we have to split the corresponding directory slot in two. */ + + if (UNIV_UNLIKELY(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED)) { + page_dir_split_slot( + page, NULL, + page_dir_find_owner_slot(owner_rec)); + } + } + + /* 9. Write log record of the insert */ + if (UNIV_LIKELY(mtr != NULL)) { + page_cur_insert_rec_write_log(insert_rec, rec_size, + current_rec, index, mtr); + } + + return(insert_rec); +} + +/***********************************************************//** +Compresses or reorganizes a page after an optimistic insert. +@return rec if succeed, NULL otherwise */ +static +rec_t* +page_cur_insert_rec_zip_reorg( +/*==========================*/ + rec_t** current_rec,/*!< in/out: pointer to current record after + which the new record is inserted */ + buf_block_t* block, /*!< in: buffer block */ + dict_index_t* index, /*!< in: record descriptor */ + rec_t* rec, /*!< in: inserted record */ + page_t* page, /*!< in: uncompressed page */ + page_zip_des_t* page_zip,/*!< in: compressed page */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ +{ + ulint pos; + + /* Recompress or reorganize and recompress the page. */ + if (UNIV_LIKELY(page_zip_compress(page_zip, page, index, mtr))) { + return(rec); + } + + /* Before trying to reorganize the page, + store the number of preceding records on the page. */ + pos = page_rec_get_n_recs_before(rec); + + if (page_zip_reorganize(block, index, mtr)) { + /* The page was reorganized: Find rec by seeking to pos, + and update *current_rec. */ + rec = page + PAGE_NEW_INFIMUM; + + while (--pos) { + rec = page + rec_get_next_offs(rec, TRUE); + } + + *current_rec = rec; + rec = page + rec_get_next_offs(rec, TRUE); + + return(rec); + } + + /* Out of space: restore the page */ + if (!page_zip_decompress(page_zip, page, FALSE)) { + ut_error; /* Memory corrupted? */ + } + ut_ad(page_validate(page, index)); + return(NULL); +} + +/***********************************************************//** +Inserts a record next to page cursor on a compressed and uncompressed +page. Returns pointer to inserted record if succeed, i.e., +enough space available, NULL otherwise. +The cursor stays at the same position. +@return pointer to record if succeed, NULL otherwise */ +UNIV_INTERN +rec_t* +page_cur_insert_rec_zip( +/*====================*/ + rec_t** current_rec,/*!< in/out: pointer to current record after + which the new record is inserted */ + buf_block_t* block, /*!< in: buffer block of *current_rec */ + dict_index_t* index, /*!< in: record descriptor */ + const rec_t* rec, /*!< in: pointer to a physical record */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ +{ + byte* insert_buf; + ulint rec_size; + page_t* page; /*!< the relevant page */ + rec_t* last_insert; /*!< cursor position at previous + insert */ + rec_t* free_rec; /*!< a free record that was reused, + or NULL */ + rec_t* insert_rec; /*!< inserted record */ + ulint heap_no; /*!< heap number of the inserted + record */ + page_zip_des_t* page_zip; + + page_zip = buf_block_get_page_zip(block); + ut_ad(page_zip); + + ut_ad(rec_offs_validate(rec, index, offsets)); + + page = page_align(*current_rec); + ut_ad(dict_table_is_comp(index->table)); + ut_ad(page_is_comp(page)); + + ut_ad(!page_rec_is_supremum(*current_rec)); +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + /* 1. Get the size of the physical record in the page */ + rec_size = rec_offs_size(offsets); + +#ifdef UNIV_DEBUG_VALGRIND + { + const void* rec_start + = rec - rec_offs_extra_size(offsets); + ulint extra_size + = rec_offs_extra_size(offsets) + - (rec_offs_comp(offsets) + ? REC_N_NEW_EXTRA_BYTES + : REC_N_OLD_EXTRA_BYTES); + + /* All data bytes of the record must be valid. */ + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + /* The variable-length header must be valid. */ + UNIV_MEM_ASSERT_RW(rec_start, extra_size); + } +#endif /* UNIV_DEBUG_VALGRIND */ + + /* 2. Try to find suitable space from page memory management */ + if (!page_zip_available(page_zip, dict_index_is_clust(index), + rec_size, 1)) { + + /* Try compressing the whole page afterwards. */ + insert_rec = page_cur_insert_rec_low(*current_rec, + index, rec, offsets, + NULL); + + if (UNIV_LIKELY(insert_rec != NULL)) { + insert_rec = page_cur_insert_rec_zip_reorg( + current_rec, block, index, insert_rec, + page, page_zip, mtr); + } + + return(insert_rec); + } + + free_rec = page_header_get_ptr(page, PAGE_FREE); + if (UNIV_LIKELY_NULL(free_rec)) { + /* Try to allocate from the head of the free list. */ + lint extra_size_diff; + ulint foffsets_[REC_OFFS_NORMAL_SIZE]; + ulint* foffsets = foffsets_; + mem_heap_t* heap = NULL; + + rec_offs_init(foffsets_); + + foffsets = rec_get_offsets(free_rec, index, foffsets, + ULINT_UNDEFINED, &heap); + if (rec_offs_size(foffsets) < rec_size) { +too_small: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + goto use_heap; + } + + insert_buf = free_rec - rec_offs_extra_size(foffsets); + + /* On compressed pages, do not relocate records from + the free list. If extra_size would grow, use the heap. */ + extra_size_diff + = rec_offs_extra_size(offsets) + - rec_offs_extra_size(foffsets); + + if (UNIV_UNLIKELY(extra_size_diff < 0)) { + /* Add an offset to the extra_size. */ + if (rec_offs_size(foffsets) + < rec_size - extra_size_diff) { + + goto too_small; + } + + insert_buf -= extra_size_diff; + } else if (UNIV_UNLIKELY(extra_size_diff)) { + /* Do not allow extra_size to grow */ + + goto too_small; + } + + heap_no = rec_get_heap_no_new(free_rec); + page_mem_alloc_free(page, page_zip, + rec_get_next_ptr(free_rec, TRUE), + rec_size); + + if (!page_is_leaf(page)) { + /* Zero out the node pointer of free_rec, + in case it will not be overwritten by + insert_rec. */ + + ut_ad(rec_size > REC_NODE_PTR_SIZE); + + if (rec_offs_extra_size(foffsets) + + rec_offs_data_size(foffsets) > rec_size) { + + memset(rec_get_end(free_rec, foffsets) + - REC_NODE_PTR_SIZE, 0, + REC_NODE_PTR_SIZE); + } + } else if (dict_index_is_clust(index)) { + /* Zero out the DB_TRX_ID and DB_ROLL_PTR + columns of free_rec, in case it will not be + overwritten by insert_rec. */ + + ulint trx_id_col; + ulint trx_id_offs; + ulint len; + + trx_id_col = dict_index_get_sys_col_pos(index, + DATA_TRX_ID); + ut_ad(trx_id_col > 0); + ut_ad(trx_id_col != ULINT_UNDEFINED); + + trx_id_offs = rec_get_nth_field_offs(foffsets, + trx_id_col, &len); + ut_ad(len == DATA_TRX_ID_LEN); + + if (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN + trx_id_offs + + rec_offs_extra_size(foffsets) > rec_size) { + /* We will have to zero out the + DB_TRX_ID and DB_ROLL_PTR, because + they will not be fully overwritten by + insert_rec. */ + + memset(free_rec + trx_id_offs, 0, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + } + + ut_ad(free_rec + trx_id_offs + DATA_TRX_ID_LEN + == rec_get_nth_field(free_rec, foffsets, + trx_id_col + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } else { +use_heap: + free_rec = NULL; + insert_buf = page_mem_alloc_heap(page, page_zip, + rec_size, &heap_no); + + if (UNIV_UNLIKELY(insert_buf == NULL)) { + return(NULL); + } + + page_zip_dir_add_slot(page_zip, dict_index_is_clust(index)); + } + + /* 3. Create the record */ + insert_rec = rec_copy(insert_buf, rec, offsets); + rec_offs_make_valid(insert_rec, index, offsets); + + /* 4. Insert the record in the linked list of records */ + ut_ad(*current_rec != insert_rec); + + { + /* next record after current before the insertion */ + rec_t* next_rec = page_rec_get_next(*current_rec); + ut_ad(rec_get_status(*current_rec) + <= REC_STATUS_INFIMUM); + ut_ad(rec_get_status(insert_rec) < REC_STATUS_INFIMUM); + ut_ad(rec_get_status(next_rec) != REC_STATUS_INFIMUM); + + page_rec_set_next(insert_rec, next_rec); + page_rec_set_next(*current_rec, insert_rec); + } + + page_header_set_field(page, page_zip, PAGE_N_RECS, + 1 + page_get_n_recs(page)); + + /* 5. Set the n_owned field in the inserted record to zero, + and set the heap_no field */ + rec_set_n_owned_new(insert_rec, NULL, 0); + rec_set_heap_no_new(insert_rec, heap_no); + + UNIV_MEM_ASSERT_RW(rec_get_start(insert_rec, offsets), + rec_offs_size(offsets)); + + page_zip_dir_insert(page_zip, *current_rec, free_rec, insert_rec); + + /* 6. Update the last insertion info in page header */ + + last_insert = page_header_get_ptr(page, PAGE_LAST_INSERT); + ut_ad(!last_insert + || rec_get_node_ptr_flag(last_insert) + == rec_get_node_ptr_flag(insert_rec)); + + if (UNIV_UNLIKELY(last_insert == NULL)) { + page_header_set_field(page, page_zip, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); + + } else if ((last_insert == *current_rec) + && (page_header_get_field(page, PAGE_DIRECTION) + != PAGE_LEFT)) { + + page_header_set_field(page, page_zip, PAGE_DIRECTION, + PAGE_RIGHT); + page_header_set_field(page, page_zip, PAGE_N_DIRECTION, + page_header_get_field( + page, PAGE_N_DIRECTION) + 1); + + } else if ((page_rec_get_next(insert_rec) == last_insert) + && (page_header_get_field(page, PAGE_DIRECTION) + != PAGE_RIGHT)) { + + page_header_set_field(page, page_zip, PAGE_DIRECTION, + PAGE_LEFT); + page_header_set_field(page, page_zip, PAGE_N_DIRECTION, + page_header_get_field( + page, PAGE_N_DIRECTION) + 1); + } else { + page_header_set_field(page, page_zip, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); + } + + page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, insert_rec); + + /* 7. It remains to update the owner record. */ + { + rec_t* owner_rec = page_rec_find_owner_rec(insert_rec); + ulint n_owned; + + n_owned = rec_get_n_owned_new(owner_rec); + rec_set_n_owned_new(owner_rec, page_zip, n_owned + 1); + + /* 8. Now we have incremented the n_owned field of the owner + record. If the number exceeds PAGE_DIR_SLOT_MAX_N_OWNED, + we have to split the corresponding directory slot in two. */ + + if (UNIV_UNLIKELY(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED)) { + page_dir_split_slot( + page, page_zip, + page_dir_find_owner_slot(owner_rec)); + } + } + + page_zip_write_rec(page_zip, insert_rec, index, offsets, 1); + + /* 9. Write log record of the insert */ + if (UNIV_LIKELY(mtr != NULL)) { + page_cur_insert_rec_write_log(insert_rec, rec_size, + *current_rec, index, mtr); + } + + return(insert_rec); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Writes a log record of copying a record list end to a new created page. +@return 4-byte field where to write the log data length, or NULL if +logging is disabled */ +UNIV_INLINE +byte* +page_copy_rec_list_to_created_page_write_log( +/*=========================================*/ + page_t* page, /*!< in: index page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + + log_ptr = mlog_open_and_write_index(mtr, page, index, + page_is_comp(page) + ? MLOG_COMP_LIST_END_COPY_CREATED + : MLOG_LIST_END_COPY_CREATED, 4); + if (UNIV_LIKELY(log_ptr != NULL)) { + mlog_close(mtr, log_ptr + 4); + } + + return(log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************//** +Parses a log record of copying a record list end to a new created page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_copy_rec_list_to_created_page( +/*=====================================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + byte* rec_end; + ulint log_data_len; + page_t* page; + page_zip_des_t* page_zip; + + if (ptr + 4 > end_ptr) { + + return(NULL); + } + + log_data_len = mach_read_from_4(ptr); + ptr += 4; + + rec_end = ptr + log_data_len; + + if (rec_end > end_ptr) { + + return(NULL); + } + + if (!block) { + + return(rec_end); + } + + while (ptr < rec_end) { + ptr = page_cur_parse_insert_rec(TRUE, ptr, end_ptr, + block, index, mtr); + } + + ut_a(ptr == rec_end); + + page = buf_block_get_frame(block); + page_zip = buf_block_get_page_zip(block); + + page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); + page_header_set_field(page, page_zip, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); + + return(rec_end); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Copies records from page to a newly created page, from a given record onward, +including that record. Infimum and supremum records are not copied. */ +UNIV_INTERN +void +page_copy_rec_list_end_to_created_page( +/*===================================*/ + page_t* new_page, /*!< in/out: index page to copy to */ + rec_t* rec, /*!< in: first record to copy */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_dir_slot_t* slot = 0; /* remove warning */ + byte* heap_top; + rec_t* insert_rec = 0; /* remove warning */ + rec_t* prev_rec; + ulint count; + ulint n_recs; + ulint slot_index; + ulint rec_size; + ulint log_mode; + byte* log_ptr; + ulint log_data_len; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(page_dir_get_n_heap(new_page) == PAGE_HEAP_NO_USER_LOW); + ut_ad(page_align(rec) != new_page); + ut_ad(page_rec_is_comp(rec) == page_is_comp(new_page)); + + if (page_rec_is_infimum(rec)) { + + rec = page_rec_get_next(rec); + } + + if (page_rec_is_supremum(rec)) { + + return; + } + +#ifdef UNIV_DEBUG + /* To pass the debug tests we have to set these dummy values + in the debug version */ + page_dir_set_n_slots(new_page, NULL, UNIV_PAGE_SIZE / 2); + page_header_set_ptr(new_page, NULL, PAGE_HEAP_TOP, + new_page + UNIV_PAGE_SIZE - 1); +#endif + + log_ptr = page_copy_rec_list_to_created_page_write_log(new_page, + index, mtr); + + log_data_len = dyn_array_get_data_size(&(mtr->log)); + + /* Individual inserts are logged in a shorter form */ + + log_mode = mtr_set_log_mode(mtr, MTR_LOG_SHORT_INSERTS); + + prev_rec = page_get_infimum_rec(new_page); + if (page_is_comp(new_page)) { + heap_top = new_page + PAGE_NEW_SUPREMUM_END; + } else { + heap_top = new_page + PAGE_OLD_SUPREMUM_END; + } + count = 0; + slot_index = 0; + n_recs = 0; + + do { + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + insert_rec = rec_copy(heap_top, rec, offsets); + + if (page_is_comp(new_page)) { + rec_set_next_offs_new(prev_rec, + page_offset(insert_rec)); + + rec_set_n_owned_new(insert_rec, NULL, 0); + rec_set_heap_no_new(insert_rec, + PAGE_HEAP_NO_USER_LOW + n_recs); + } else { + rec_set_next_offs_old(prev_rec, + page_offset(insert_rec)); + + rec_set_n_owned_old(insert_rec, 0); + rec_set_heap_no_old(insert_rec, + PAGE_HEAP_NO_USER_LOW + n_recs); + } + + count++; + n_recs++; + + if (UNIV_UNLIKELY + (count == (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2)) { + + slot_index++; + + slot = page_dir_get_nth_slot(new_page, slot_index); + + page_dir_slot_set_rec(slot, insert_rec); + page_dir_slot_set_n_owned(slot, NULL, count); + + count = 0; + } + + rec_size = rec_offs_size(offsets); + + ut_ad(heap_top < new_page + UNIV_PAGE_SIZE); + + heap_top += rec_size; + + page_cur_insert_rec_write_log(insert_rec, rec_size, prev_rec, + index, mtr); + prev_rec = insert_rec; + rec = page_rec_get_next(rec); + } while (!page_rec_is_supremum(rec)); + + if ((slot_index > 0) && (count + 1 + + (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2 + <= PAGE_DIR_SLOT_MAX_N_OWNED)) { + /* We can merge the two last dir slots. This operation is + here to make this function imitate exactly the equivalent + task made using page_cur_insert_rec, which we use in database + recovery to reproduce the task performed by this function. + To be able to check the correctness of recovery, it is good + that it imitates exactly. */ + + count += (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2; + + page_dir_slot_set_n_owned(slot, NULL, 0); + + slot_index--; + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + log_data_len = dyn_array_get_data_size(&(mtr->log)) - log_data_len; + + ut_a(log_data_len < 100 * UNIV_PAGE_SIZE); + + if (UNIV_LIKELY(log_ptr != NULL)) { + mach_write_to_4(log_ptr, log_data_len); + } + + if (page_is_comp(new_page)) { + rec_set_next_offs_new(insert_rec, PAGE_NEW_SUPREMUM); + } else { + rec_set_next_offs_old(insert_rec, PAGE_OLD_SUPREMUM); + } + + slot = page_dir_get_nth_slot(new_page, 1 + slot_index); + + page_dir_slot_set_rec(slot, page_get_supremum_rec(new_page)); + page_dir_slot_set_n_owned(slot, NULL, count + 1); + + page_dir_set_n_slots(new_page, NULL, 2 + slot_index); + page_header_set_ptr(new_page, NULL, PAGE_HEAP_TOP, heap_top); + page_dir_set_n_heap(new_page, NULL, PAGE_HEAP_NO_USER_LOW + n_recs); + page_header_set_field(new_page, NULL, PAGE_N_RECS, n_recs); + + page_header_set_ptr(new_page, NULL, PAGE_LAST_INSERT, NULL); + page_header_set_field(new_page, NULL, PAGE_DIRECTION, + PAGE_NO_DIRECTION); + page_header_set_field(new_page, NULL, PAGE_N_DIRECTION, 0); + + /* Restore the log mode */ + + mtr_set_log_mode(mtr, log_mode); +} + +/***********************************************************//** +Writes log record of a record delete on a page. */ +UNIV_INLINE +void +page_cur_delete_rec_write_log( +/*==========================*/ + rec_t* rec, /*!< in: record to be deleted */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + byte* log_ptr; + + ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); + + log_ptr = mlog_open_and_write_index(mtr, rec, index, + page_rec_is_comp(rec) + ? MLOG_COMP_REC_DELETE + : MLOG_REC_DELETE, 2); + + if (!log_ptr) { + /* Logging in mtr is switched off during crash recovery: + in that case mlog_open returns NULL */ + return; + } + + /* Write the cursor rec offset as a 2-byte ulint */ + mach_write_to_2(log_ptr, page_offset(rec)); + + mlog_close(mtr, log_ptr + 2); +} +#else /* !UNIV_HOTBACKUP */ +# define page_cur_delete_rec_write_log(rec,index,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses log record of a record delete on a page. +@return pointer to record end or NULL */ +UNIV_INTERN +byte* +page_cur_parse_delete_rec( +/*======================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in: page or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ulint offset; + page_cur_t cursor; + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + /* Read the cursor rec offset as a 2-byte ulint */ + offset = mach_read_from_2(ptr); + ptr += 2; + + ut_a(offset <= UNIV_PAGE_SIZE); + + if (block) { + page_t* page = buf_block_get_frame(block); + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_t* rec = page + offset; + rec_offs_init(offsets_); + + page_cur_position(rec, block, &cursor); + ut_ad(!buf_block_get_page_zip(block) || page_is_comp(page)); + + page_cur_delete_rec(&cursor, index, + rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap), + mtr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + return(ptr); +} + +/***********************************************************//** +Deletes a record at the page cursor. The cursor is moved to the next +record after the deleted one. */ +UNIV_INTERN +void +page_cur_delete_rec( +/*================*/ + page_cur_t* cursor, /*!< in/out: a page cursor */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + page_dir_slot_t* cur_dir_slot; + page_dir_slot_t* prev_slot; + page_t* page; + page_zip_des_t* page_zip; + rec_t* current_rec; + rec_t* prev_rec = NULL; + rec_t* next_rec; + ulint cur_slot_no; + ulint cur_n_owned; + rec_t* rec; + + ut_ad(cursor && mtr); + + page = page_cur_get_page(cursor); + page_zip = page_cur_get_page_zip(cursor); + + /* page_zip_validate() will fail here when + btr_cur_pessimistic_delete() invokes btr_set_min_rec_mark(). + Then, both "page_zip" and "page" would have the min-rec-mark + set on the smallest user record, but "page" would additionally + have it set on the smallest-but-one record. Because sloppy + page_zip_validate_low() only ignores min-rec-flag differences + in the smallest user record, it cannot be used here either. */ + + current_rec = cursor->rec; + ut_ad(rec_offs_validate(current_rec, index, offsets)); + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + + /* The record must not be the supremum or infimum record. */ + ut_ad(page_rec_is_user_rec(current_rec)); + + /* Save to local variables some data associated with current_rec */ + cur_slot_no = page_dir_find_owner_slot(current_rec); + cur_dir_slot = page_dir_get_nth_slot(page, cur_slot_no); + cur_n_owned = page_dir_slot_get_n_owned(cur_dir_slot); + + /* 0. Write the log record */ + page_cur_delete_rec_write_log(current_rec, index, mtr); + + /* 1. Reset the last insert info in the page header and increment + the modify clock for the frame */ + + page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); + + /* The page gets invalid for optimistic searches: increment the + frame modify clock */ + + buf_block_modify_clock_inc(page_cur_get_block(cursor)); + + /* 2. Find the next and the previous record. Note that the cursor is + left at the next record. */ + + ut_ad(cur_slot_no > 0); + prev_slot = page_dir_get_nth_slot(page, cur_slot_no - 1); + + rec = (rec_t*) page_dir_slot_get_rec(prev_slot); + + /* rec now points to the record of the previous directory slot. Look + for the immediate predecessor of current_rec in a loop. */ + + while(current_rec != rec) { + prev_rec = rec; + rec = page_rec_get_next(rec); + } + + page_cur_move_to_next(cursor); + next_rec = cursor->rec; + + /* 3. Remove the record from the linked list of records */ + + page_rec_set_next(prev_rec, next_rec); + + /* 4. If the deleted record is pointed to by a dir slot, update the + record pointer in slot. In the following if-clause we assume that + prev_rec is owned by the same slot, i.e., PAGE_DIR_SLOT_MIN_N_OWNED + >= 2. */ + +#if PAGE_DIR_SLOT_MIN_N_OWNED < 2 +# error "PAGE_DIR_SLOT_MIN_N_OWNED < 2" +#endif + ut_ad(cur_n_owned > 1); + + if (current_rec == page_dir_slot_get_rec(cur_dir_slot)) { + page_dir_slot_set_rec(cur_dir_slot, prev_rec); + } + + /* 5. Update the number of owned records of the slot */ + + page_dir_slot_set_n_owned(cur_dir_slot, page_zip, cur_n_owned - 1); + + /* 6. Free the memory occupied by the record */ + page_mem_free(page, page_zip, current_rec, index, offsets); + + /* 7. Now we have decremented the number of owned records of the slot. + If the number drops below PAGE_DIR_SLOT_MIN_N_OWNED, we balance the + slots. */ + + if (UNIV_UNLIKELY(cur_n_owned <= PAGE_DIR_SLOT_MIN_N_OWNED)) { + page_dir_balance_slot(page, page_zip, cur_slot_no); + } + +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ +} + +#ifdef UNIV_COMPILE_TEST_FUNCS + +/*******************************************************************//** +Print the first n numbers, generated by page_cur_lcg_prng() to make sure +(visually) that it works properly. */ +void +test_page_cur_lcg_prng( +/*===================*/ + int n) /*!< in: print first n numbers */ +{ + int i; + unsigned long long rnd; + + for (i = 0; i < n; i++) { + rnd = page_cur_lcg_prng(); + printf("%llu\t%%2=%llu %%3=%llu %%5=%llu %%7=%llu %%11=%llu\n", + rnd, + rnd % 2, + rnd % 3, + rnd % 5, + rnd % 7, + rnd % 11); + } +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/page/page0page.c b/perfschema/page/page0page.c new file mode 100644 index 00000000000..1068a413e0c --- /dev/null +++ b/perfschema/page/page0page.c @@ -0,0 +1,2614 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file page/page0page.c +Index page routines + +Created 2/2/1994 Heikki Tuuri +*******************************************************/ + +#define THIS_MODULE +#include "page0page.h" +#ifdef UNIV_NONINL +#include "page0page.ic" +#endif +#undef THIS_MODULE + +#include "page0cur.h" +#include "page0zip.h" +#include "buf0buf.h" +#include "btr0btr.h" +#ifndef UNIV_HOTBACKUP +# include "srv0srv.h" +# include "lock0lock.h" +# include "fut0lst.h" +# include "btr0sea.h" +#endif /* !UNIV_HOTBACKUP */ + +/* THE INDEX PAGE + ============== + +The index page consists of a page header which contains the page's +id and other information. On top of it are the index records +in a heap linked into a one way linear list according to alphabetic order. + +Just below page end is an array of pointers which we call page directory, +to about every sixth record in the list. The pointers are placed in +the directory in the alphabetical order of the records pointed to, +enabling us to make binary search using the array. Each slot n:o I +in the directory points to a record, where a 4-bit field contains a count +of those records which are in the linear list between pointer I and +the pointer I - 1 in the directory, including the record +pointed to by pointer I and not including the record pointed to by I - 1. +We say that the record pointed to by slot I, or that slot I, owns +these records. The count is always kept in the range 4 to 8, with +the exception that it is 1 for the first slot, and 1--8 for the second slot. + +An essentially binary search can be performed in the list of index +records, like we could do if we had pointer to every record in the +page directory. The data structure is, however, more efficient when +we are doing inserts, because most inserts are just pushed on a heap. +Only every 8th insert requires block move in the directory pointer +table, which itself is quite small. A record is deleted from the page +by just taking it off the linear list and updating the number of owned +records-field of the record which owns it, and updating the page directory, +if necessary. A special case is the one when the record owns itself. +Because the overhead of inserts is so small, we may also increase the +page size from the projected default of 8 kB to 64 kB without too +much loss of efficiency in inserts. Bigger page becomes actual +when the disk transfer rate compared to seek and latency time rises. +On the present system, the page size is set so that the page transfer +time (3 ms) is 20 % of the disk random access time (15 ms). + +When the page is split, merged, or becomes full but contains deleted +records, we have to reorganize the page. + +Assuming a page size of 8 kB, a typical index page of a secondary +index contains 300 index entries, and the size of the page directory +is 50 x 4 bytes = 200 bytes. */ + +/***************************************************************//** +Looks for the directory slot which owns the given record. +@return the directory slot number */ +UNIV_INTERN +ulint +page_dir_find_owner_slot( +/*=====================*/ + const rec_t* rec) /*!< in: the physical record */ +{ + const page_t* page; + register uint16 rec_offs_bytes; + register const page_dir_slot_t* slot; + register const page_dir_slot_t* first_slot; + register const rec_t* r = rec; + + ut_ad(page_rec_check(rec)); + + page = page_align(rec); + first_slot = page_dir_get_nth_slot(page, 0); + slot = page_dir_get_nth_slot(page, page_dir_get_n_slots(page) - 1); + + if (page_is_comp(page)) { + while (rec_get_n_owned_new(r) == 0) { + r = rec_get_next_ptr_const(r, TRUE); + ut_ad(r >= page + PAGE_NEW_SUPREMUM); + ut_ad(r < page + (UNIV_PAGE_SIZE - PAGE_DIR)); + } + } else { + while (rec_get_n_owned_old(r) == 0) { + r = rec_get_next_ptr_const(r, FALSE); + ut_ad(r >= page + PAGE_OLD_SUPREMUM); + ut_ad(r < page + (UNIV_PAGE_SIZE - PAGE_DIR)); + } + } + + rec_offs_bytes = mach_encode_2(r - page); + + while (UNIV_LIKELY(*(uint16*) slot != rec_offs_bytes)) { + + if (UNIV_UNLIKELY(slot == first_slot)) { + fprintf(stderr, + "InnoDB: Probable data corruption on" + " page %lu\n" + "InnoDB: Original record ", + (ulong) page_get_page_no(page)); + + if (page_is_comp(page)) { + fputs("(compact record)", stderr); + } else { + rec_print_old(stderr, rec); + } + + fputs("\n" + "InnoDB: on that page.\n" + "InnoDB: Cannot find the dir slot for record ", + stderr); + if (page_is_comp(page)) { + fputs("(compact record)", stderr); + } else { + rec_print_old(stderr, page + + mach_decode_2(rec_offs_bytes)); + } + fputs("\n" + "InnoDB: on that page!\n", stderr); + + buf_page_print(page, 0); + + ut_error; + } + + slot += PAGE_DIR_SLOT_SIZE; + } + + return(((ulint) (first_slot - slot)) / PAGE_DIR_SLOT_SIZE); +} + +/**************************************************************//** +Used to check the consistency of a directory slot. +@return TRUE if succeed */ +static +ibool +page_dir_slot_check( +/*================*/ + page_dir_slot_t* slot) /*!< in: slot */ +{ + page_t* page; + ulint n_slots; + ulint n_owned; + + ut_a(slot); + + page = page_align(slot); + + n_slots = page_dir_get_n_slots(page); + + ut_a(slot <= page_dir_get_nth_slot(page, 0)); + ut_a(slot >= page_dir_get_nth_slot(page, n_slots - 1)); + + ut_a(page_rec_check(page_dir_slot_get_rec(slot))); + + if (page_is_comp(page)) { + n_owned = rec_get_n_owned_new(page_dir_slot_get_rec(slot)); + } else { + n_owned = rec_get_n_owned_old(page_dir_slot_get_rec(slot)); + } + + if (slot == page_dir_get_nth_slot(page, 0)) { + ut_a(n_owned == 1); + } else if (slot == page_dir_get_nth_slot(page, n_slots - 1)) { + ut_a(n_owned >= 1); + ut_a(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED); + } else { + ut_a(n_owned >= PAGE_DIR_SLOT_MIN_N_OWNED); + ut_a(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED); + } + + return(TRUE); +} + +/*************************************************************//** +Sets the max trx id field value. */ +UNIV_INTERN +void +page_set_max_trx_id( +/*================*/ + buf_block_t* block, /*!< in/out: page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in/out: mini-transaction, or NULL */ +{ + page_t* page = buf_block_get_frame(block); +#ifndef UNIV_HOTBACKUP + const ibool is_hashed = block->is_hashed; + + if (is_hashed) { + rw_lock_x_lock(&btr_search_latch); + } + + ut_ad(!mtr || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); +#endif /* !UNIV_HOTBACKUP */ + + /* It is not necessary to write this change to the redo log, as + during a database recovery we assume that the max trx id of every + page is the maximum trx id assigned before the crash. */ + + if (UNIV_LIKELY_NULL(page_zip)) { + mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); + page_zip_write_header(page_zip, + page + (PAGE_HEADER + PAGE_MAX_TRX_ID), + 8, mtr); +#ifndef UNIV_HOTBACKUP + } else if (mtr) { + mlog_write_dulint(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), + trx_id, mtr); +#endif /* !UNIV_HOTBACKUP */ + } else { + mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); + } + +#ifndef UNIV_HOTBACKUP + if (is_hashed) { + rw_lock_x_unlock(&btr_search_latch); + } +#endif /* !UNIV_HOTBACKUP */ +} + +/************************************************************//** +Allocates a block of memory from the heap of an index page. +@return pointer to start of allocated buffer, or NULL if allocation fails */ +UNIV_INTERN +byte* +page_mem_alloc_heap( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page with enough + space available for inserting the record, + or NULL */ + ulint need, /*!< in: total number of bytes needed */ + ulint* heap_no)/*!< out: this contains the heap number + of the allocated record + if allocation succeeds */ +{ + byte* block; + ulint avl_space; + + ut_ad(page && heap_no); + + avl_space = page_get_max_insert_size(page, 1); + + if (avl_space >= need) { + block = page_header_get_ptr(page, PAGE_HEAP_TOP); + + page_header_set_ptr(page, page_zip, PAGE_HEAP_TOP, + block + need); + *heap_no = page_dir_get_n_heap(page); + + page_dir_set_n_heap(page, page_zip, 1 + *heap_no); + + return(block); + } + + return(NULL); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Writes a log record of page creation. */ +UNIV_INLINE +void +page_create_write_log( +/*==================*/ + buf_frame_t* frame, /*!< in: a buffer frame where the page is + created */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ibool comp) /*!< in: TRUE=compact page format */ +{ + mlog_write_initial_log_record(frame, comp + ? MLOG_COMP_PAGE_CREATE + : MLOG_PAGE_CREATE, mtr); +} +#else /* !UNIV_HOTBACKUP */ +# define page_create_write_log(frame,mtr,comp) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a redo log record of creating a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_create( +/*==============*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + ulint comp, /*!< in: nonzero=compact page format */ + buf_block_t* block, /*!< in: block or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ut_ad(ptr && end_ptr); + + /* The record is empty, except for the record initial part */ + + if (block) { + page_create(block, mtr, comp); + } + + return(ptr); +} + +/**********************************************************//** +The index page creation function. +@return pointer to the page */ +static +page_t* +page_create_low( +/*============*/ + buf_block_t* block, /*!< in: a buffer block where the + page is created */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + page_dir_slot_t* slot; + mem_heap_t* heap; + dtuple_t* tuple; + dfield_t* field; + byte* heap_top; + rec_t* infimum_rec; + rec_t* supremum_rec; + page_t* page; + dict_index_t* index; + ulint* offsets; + + ut_ad(block); +#if PAGE_BTR_IBUF_FREE_LIST + FLST_BASE_NODE_SIZE > PAGE_DATA +# error "PAGE_BTR_IBUF_FREE_LIST + FLST_BASE_NODE_SIZE > PAGE_DATA" +#endif +#if PAGE_BTR_IBUF_FREE_LIST_NODE + FLST_NODE_SIZE > PAGE_DATA +# error "PAGE_BTR_IBUF_FREE_LIST_NODE + FLST_NODE_SIZE > PAGE_DATA" +#endif + + /* The infimum and supremum records use a dummy index. */ + if (UNIV_LIKELY(comp)) { + index = dict_ind_compact; + } else { + index = dict_ind_redundant; + } + + /* 1. INCREMENT MODIFY CLOCK */ + buf_block_modify_clock_inc(block); + + page = buf_block_get_frame(block); + + fil_page_set_type(page, FIL_PAGE_INDEX); + + heap = mem_heap_create(200); + + /* 3. CREATE THE INFIMUM AND SUPREMUM RECORDS */ + + /* Create first a data tuple for infimum record */ + tuple = dtuple_create(heap, 1); + dtuple_set_info_bits(tuple, REC_STATUS_INFIMUM); + field = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(field, "infimum", 8); + dtype_set(dfield_get_type(field), + DATA_VARCHAR, DATA_ENGLISH | DATA_NOT_NULL, 8); + /* Set the corresponding physical record to its place in the page + record heap */ + + heap_top = page + PAGE_DATA; + + infimum_rec = rec_convert_dtuple_to_rec(heap_top, index, tuple, 0); + + if (UNIV_LIKELY(comp)) { + ut_a(infimum_rec == page + PAGE_NEW_INFIMUM); + + rec_set_n_owned_new(infimum_rec, NULL, 1); + rec_set_heap_no_new(infimum_rec, 0); + } else { + ut_a(infimum_rec == page + PAGE_OLD_INFIMUM); + + rec_set_n_owned_old(infimum_rec, 1); + rec_set_heap_no_old(infimum_rec, 0); + } + + offsets = rec_get_offsets(infimum_rec, index, NULL, + ULINT_UNDEFINED, &heap); + + heap_top = rec_get_end(infimum_rec, offsets); + + /* Create then a tuple for supremum */ + + tuple = dtuple_create(heap, 1); + dtuple_set_info_bits(tuple, REC_STATUS_SUPREMUM); + field = dtuple_get_nth_field(tuple, 0); + + dfield_set_data(field, "supremum", comp ? 8 : 9); + dtype_set(dfield_get_type(field), + DATA_VARCHAR, DATA_ENGLISH | DATA_NOT_NULL, comp ? 8 : 9); + + supremum_rec = rec_convert_dtuple_to_rec(heap_top, index, tuple, 0); + + if (UNIV_LIKELY(comp)) { + ut_a(supremum_rec == page + PAGE_NEW_SUPREMUM); + + rec_set_n_owned_new(supremum_rec, NULL, 1); + rec_set_heap_no_new(supremum_rec, 1); + } else { + ut_a(supremum_rec == page + PAGE_OLD_SUPREMUM); + + rec_set_n_owned_old(supremum_rec, 1); + rec_set_heap_no_old(supremum_rec, 1); + } + + offsets = rec_get_offsets(supremum_rec, index, offsets, + ULINT_UNDEFINED, &heap); + heap_top = rec_get_end(supremum_rec, offsets); + + ut_ad(heap_top == page + + (comp ? PAGE_NEW_SUPREMUM_END : PAGE_OLD_SUPREMUM_END)); + + mem_heap_free(heap); + + /* 4. INITIALIZE THE PAGE */ + + page_header_set_field(page, NULL, PAGE_N_DIR_SLOTS, 2); + page_header_set_ptr(page, NULL, PAGE_HEAP_TOP, heap_top); + page_header_set_field(page, NULL, PAGE_N_HEAP, comp + ? 0x8000 | PAGE_HEAP_NO_USER_LOW + : PAGE_HEAP_NO_USER_LOW); + page_header_set_ptr(page, NULL, PAGE_FREE, NULL); + page_header_set_field(page, NULL, PAGE_GARBAGE, 0); + page_header_set_ptr(page, NULL, PAGE_LAST_INSERT, NULL); + page_header_set_field(page, NULL, PAGE_DIRECTION, PAGE_NO_DIRECTION); + page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); + page_header_set_field(page, NULL, PAGE_N_RECS, 0); + page_set_max_trx_id(block, NULL, ut_dulint_zero, NULL); + memset(heap_top, 0, UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START + - page_offset(heap_top)); + + /* 5. SET POINTERS IN RECORDS AND DIR SLOTS */ + + /* Set the slots to point to infimum and supremum. */ + + slot = page_dir_get_nth_slot(page, 0); + page_dir_slot_set_rec(slot, infimum_rec); + + slot = page_dir_get_nth_slot(page, 1); + page_dir_slot_set_rec(slot, supremum_rec); + + /* Set the next pointers in infimum and supremum */ + + if (UNIV_LIKELY(comp)) { + rec_set_next_offs_new(infimum_rec, PAGE_NEW_SUPREMUM); + rec_set_next_offs_new(supremum_rec, 0); + } else { + rec_set_next_offs_old(infimum_rec, PAGE_OLD_SUPREMUM); + rec_set_next_offs_old(supremum_rec, 0); + } + + return(page); +} + +/**********************************************************//** +Create an uncompressed B-tree index page. +@return pointer to the page */ +UNIV_INTERN +page_t* +page_create( +/*========*/ + buf_block_t* block, /*!< in: a buffer block where the + page is created */ + mtr_t* mtr, /*!< in: mini-transaction handle */ + ulint comp) /*!< in: nonzero=compact page format */ +{ + page_create_write_log(buf_block_get_frame(block), mtr, comp); + return(page_create_low(block, comp)); +} + +/**********************************************************//** +Create a compressed B-tree index page. +@return pointer to the page */ +UNIV_INTERN +page_t* +page_create_zip( +/*============*/ + buf_block_t* block, /*!< in/out: a buffer frame where the + page is created */ + dict_index_t* index, /*!< in: the index of the page */ + ulint level, /*!< in: the B-tree level of the page */ + mtr_t* mtr) /*!< in: mini-transaction handle */ +{ + page_t* page; + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + + ut_ad(block); + ut_ad(page_zip); + ut_ad(index); + ut_ad(dict_table_is_comp(index->table)); + + page = page_create_low(block, TRUE); + mach_write_to_2(page + PAGE_HEADER + PAGE_LEVEL, level); + + if (UNIV_UNLIKELY(!page_zip_compress(page_zip, page, index, mtr))) { + /* The compression of a newly created page + should always succeed. */ + ut_error; + } + + return(page); +} + +/*************************************************************//** +Differs from page_copy_rec_list_end, because this function does not +touch the lock table and max trx id on page or compress the page. */ +UNIV_INTERN +void +page_copy_rec_list_end_no_locks( +/*============================*/ + buf_block_t* new_block, /*!< in: index page to copy to */ + buf_block_t* block, /*!< in: index page of rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* new_page = buf_block_get_frame(new_block); + page_cur_t cur1; + rec_t* cur2; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + page_cur_position(rec, block, &cur1); + + if (page_cur_is_before_first(&cur1)) { + + page_cur_move_to_next(&cur1); + } + + ut_a((ibool)!!page_is_comp(new_page) + == dict_table_is_comp(index->table)); + ut_a(page_is_comp(new_page) == page_rec_is_comp(rec)); + ut_a(mach_read_from_2(new_page + UNIV_PAGE_SIZE - 10) == (ulint) + (page_is_comp(new_page) ? PAGE_NEW_INFIMUM : PAGE_OLD_INFIMUM)); + + cur2 = page_get_infimum_rec(buf_block_get_frame(new_block)); + + /* Copy records from the original page to the new page */ + + while (!page_cur_is_after_last(&cur1)) { + rec_t* cur1_rec = page_cur_get_rec(&cur1); + rec_t* ins_rec; + offsets = rec_get_offsets(cur1_rec, index, offsets, + ULINT_UNDEFINED, &heap); + ins_rec = page_cur_insert_rec_low(cur2, index, + cur1_rec, offsets, mtr); + if (UNIV_UNLIKELY(!ins_rec)) { + /* Track an assertion failure reported on the mailing + list on June 18th, 2003 */ + + buf_page_print(new_page, 0); + buf_page_print(page_align(rec), 0); + ut_print_timestamp(stderr); + + fprintf(stderr, + "InnoDB: rec offset %lu, cur1 offset %lu," + " cur2 offset %lu\n", + (ulong) page_offset(rec), + (ulong) page_offset(page_cur_get_rec(&cur1)), + (ulong) page_offset(cur2)); + ut_error; + } + + page_cur_move_to_next(&cur1); + cur2 = ins_rec; + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Copies records from page to new_page, from a given record onward, +including that record. Infimum and supremum records are not copied. +The records are copied to the start of the record list on new_page. +@return pointer to the original successor of the infimum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ +UNIV_INTERN +rec_t* +page_copy_rec_list_end( +/*===================*/ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* new_page = buf_block_get_frame(new_block); + page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); + page_t* page = page_align(rec); + rec_t* ret = page_rec_get_next( + page_get_infimum_rec(new_page)); + ulint log_mode = 0; /* remove warning */ + +#ifdef UNIV_ZIP_DEBUG + if (new_page_zip) { + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + ut_a(page_zip); + + /* Strict page_zip_validate() may fail here. + Furthermore, btr_compress() may set FIL_PAGE_PREV to + FIL_NULL on new_page while leaving it intact on + new_page_zip. So, we cannot validate new_page_zip. */ + ut_a(page_zip_validate_low(page_zip, page, TRUE)); + } +#endif /* UNIV_ZIP_DEBUG */ + ut_ad(buf_block_get_frame(block) == page); + ut_ad(page_is_leaf(page) == page_is_leaf(new_page)); + ut_ad(page_is_comp(page) == page_is_comp(new_page)); + /* Here, "ret" may be pointing to a user record or the + predefined supremum record. */ + + if (UNIV_LIKELY_NULL(new_page_zip)) { + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + } + + if (page_dir_get_n_heap(new_page) == PAGE_HEAP_NO_USER_LOW) { + page_copy_rec_list_end_to_created_page(new_page, rec, + index, mtr); + } else { + page_copy_rec_list_end_no_locks(new_block, block, rec, + index, mtr); + } + + /* Update PAGE_MAX_TRX_ID on the uncompressed page. + Modifications will be redo logged and copied to the compressed + page in page_zip_compress() or page_zip_reorganize() below. */ + if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { + page_update_max_trx_id(new_block, NULL, + page_get_max_trx_id(page), mtr); + } + + if (UNIV_LIKELY_NULL(new_page_zip)) { + mtr_set_log_mode(mtr, log_mode); + + if (UNIV_UNLIKELY + (!page_zip_compress(new_page_zip, new_page, index, mtr))) { + /* Before trying to reorganize the page, + store the number of preceding records on the page. */ + ulint ret_pos + = page_rec_get_n_recs_before(ret); + /* Before copying, "ret" was the successor of + the predefined infimum record. It must still + have at least one predecessor (the predefined + infimum record, or a freshly copied record + that is smaller than "ret"). */ + ut_a(ret_pos > 0); + + if (UNIV_UNLIKELY + (!page_zip_reorganize(new_block, index, mtr))) { + + if (UNIV_UNLIKELY + (!page_zip_decompress(new_page_zip, + new_page, FALSE))) { + ut_error; + } + ut_ad(page_validate(new_page, index)); + return(NULL); + } else { + /* The page was reorganized: + Seek to ret_pos. */ + ret = new_page + PAGE_NEW_INFIMUM; + + do { + ret = rec_get_next_ptr(ret, TRUE); + } while (--ret_pos); + } + } + } + + /* Update the lock table and possible hash index */ + + lock_move_rec_list_end(new_block, block, rec); + + btr_search_move_or_delete_hash_entries(new_block, block, index); + + return(ret); +} + +/*************************************************************//** +Copies records from page to new_page, up to the given record, +NOT including that record. Infimum and supremum records are not copied. +The records are copied to the end of the record list on new_page. +@return pointer to the original predecessor of the supremum record on +new_page, or NULL on zip overflow (new_block will be decompressed) */ +UNIV_INTERN +rec_t* +page_copy_rec_list_start( +/*=====================*/ + buf_block_t* new_block, /*!< in/out: index page to copy to */ + buf_block_t* block, /*!< in: index page containing rec */ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* new_page = buf_block_get_frame(new_block); + page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); + page_cur_t cur1; + rec_t* cur2; + ulint log_mode = 0 /* remove warning */; + mem_heap_t* heap = NULL; + rec_t* ret + = page_rec_get_prev(page_get_supremum_rec(new_page)); + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + /* Here, "ret" may be pointing to a user record or the + predefined infimum record. */ + + if (page_rec_is_infimum(rec)) { + + return(ret); + } + + if (UNIV_LIKELY_NULL(new_page_zip)) { + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + } + + page_cur_set_before_first(block, &cur1); + page_cur_move_to_next(&cur1); + + cur2 = ret; + + /* Copy records from the original page to the new page */ + + while (page_cur_get_rec(&cur1) != rec) { + rec_t* cur1_rec = page_cur_get_rec(&cur1); + offsets = rec_get_offsets(cur1_rec, index, offsets, + ULINT_UNDEFINED, &heap); + cur2 = page_cur_insert_rec_low(cur2, index, + cur1_rec, offsets, mtr); + ut_a(cur2); + + page_cur_move_to_next(&cur1); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + /* Update PAGE_MAX_TRX_ID on the uncompressed page. + Modifications will be redo logged and copied to the compressed + page in page_zip_compress() or page_zip_reorganize() below. */ + if (dict_index_is_sec_or_ibuf(index) + && page_is_leaf(page_align(rec))) { + page_update_max_trx_id(new_block, NULL, + page_get_max_trx_id(page_align(rec)), + mtr); + } + + if (UNIV_LIKELY_NULL(new_page_zip)) { + mtr_set_log_mode(mtr, log_mode); + + if (UNIV_UNLIKELY + (!page_zip_compress(new_page_zip, new_page, index, mtr))) { + /* Before trying to reorganize the page, + store the number of preceding records on the page. */ + ulint ret_pos + = page_rec_get_n_recs_before(ret); + /* Before copying, "ret" was the predecessor + of the predefined supremum record. If it was + the predefined infimum record, then it would + still be the infimum. Thus, the assertion + ut_a(ret_pos > 0) would fail here. */ + + if (UNIV_UNLIKELY + (!page_zip_reorganize(new_block, index, mtr))) { + + if (UNIV_UNLIKELY + (!page_zip_decompress(new_page_zip, + new_page, FALSE))) { + ut_error; + } + ut_ad(page_validate(new_page, index)); + return(NULL); + } else { + /* The page was reorganized: + Seek to ret_pos. */ + ret = new_page + PAGE_NEW_INFIMUM; + + do { + ret = rec_get_next_ptr(ret, TRUE); + } while (--ret_pos); + } + } + } + + /* Update the lock table and possible hash index */ + + lock_move_rec_list_start(new_block, block, rec, ret); + + btr_search_move_or_delete_hash_entries(new_block, block, index); + + return(ret); +} + +/**********************************************************//** +Writes a log record of a record list end or start deletion. */ +UNIV_INLINE +void +page_delete_rec_list_write_log( +/*===========================*/ + rec_t* rec, /*!< in: record on page */ + dict_index_t* index, /*!< in: record descriptor */ + byte type, /*!< in: operation type: + MLOG_LIST_END_DELETE, ... */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + ut_ad(type == MLOG_LIST_END_DELETE + || type == MLOG_LIST_START_DELETE + || type == MLOG_COMP_LIST_END_DELETE + || type == MLOG_COMP_LIST_START_DELETE); + + log_ptr = mlog_open_and_write_index(mtr, rec, index, type, 2); + if (log_ptr) { + /* Write the parameter as a 2-byte ulint */ + mach_write_to_2(log_ptr, page_offset(rec)); + mlog_close(mtr, log_ptr + 2); + } +} +#else /* !UNIV_HOTBACKUP */ +# define page_delete_rec_list_write_log(rec,index,type,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************//** +Parses a log record of a record list end or start deletion. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_parse_delete_rec_list( +/*=======================*/ + byte type, /*!< in: MLOG_LIST_END_DELETE, + MLOG_LIST_START_DELETE, + MLOG_COMP_LIST_END_DELETE or + MLOG_COMP_LIST_START_DELETE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + buf_block_t* block, /*!< in/out: buffer block or NULL */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + page_t* page; + ulint offset; + + ut_ad(type == MLOG_LIST_END_DELETE + || type == MLOG_LIST_START_DELETE + || type == MLOG_COMP_LIST_END_DELETE + || type == MLOG_COMP_LIST_START_DELETE); + + /* Read the record offset as a 2-byte ulint */ + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + ptr += 2; + + if (!block) { + + return(ptr); + } + + page = buf_block_get_frame(block); + + ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); + + if (type == MLOG_LIST_END_DELETE + || type == MLOG_COMP_LIST_END_DELETE) { + page_delete_rec_list_end(page + offset, block, index, + ULINT_UNDEFINED, ULINT_UNDEFINED, + mtr); + } else { + page_delete_rec_list_start(page + offset, block, index, mtr); + } + + return(ptr); +} + +/*************************************************************//** +Deletes records from a page from a given record onward, including that record. +The infimum and supremum records are not deleted. */ +UNIV_INTERN +void +page_delete_rec_list_end( +/*=====================*/ + rec_t* rec, /*!< in: pointer to record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n_recs, /*!< in: number of records to delete, + or ULINT_UNDEFINED if not known */ + ulint size, /*!< in: the sum of the sizes of the + records in the end of the chain to + delete, or ULINT_UNDEFINED if not known */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_dir_slot_t*slot; + ulint slot_index; + rec_t* last_rec; + rec_t* prev_rec; + ulint n_owned; + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + page_t* page = page_align(rec); + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(size == ULINT_UNDEFINED || size < UNIV_PAGE_SIZE); + ut_ad(!page_zip || page_rec_is_comp(rec)); +#ifdef UNIV_ZIP_DEBUG + ut_a(!page_zip || page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (page_rec_is_infimum(rec)) { + rec = page_rec_get_next(rec); + } + + if (page_rec_is_supremum(rec)) { + + return; + } + + /* Reset the last insert info in the page header and increment + the modify clock for the frame */ + + page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); + + /* The page gets invalid for optimistic searches: increment the + frame modify clock */ + + buf_block_modify_clock_inc(block); + + page_delete_rec_list_write_log(rec, index, page_is_comp(page) + ? MLOG_COMP_LIST_END_DELETE + : MLOG_LIST_END_DELETE, mtr); + + if (UNIV_LIKELY_NULL(page_zip)) { + ulint log_mode; + + ut_a(page_is_comp(page)); + /* Individual deletes are not logged */ + + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + + do { + page_cur_t cur; + page_cur_position(rec, block, &cur); + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + rec = rec_get_next_ptr(rec, TRUE); +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + page_cur_delete_rec(&cur, index, offsets, mtr); + } while (page_offset(rec) != PAGE_NEW_SUPREMUM); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + /* Restore log mode */ + + mtr_set_log_mode(mtr, log_mode); + return; + } + + prev_rec = page_rec_get_prev(rec); + + last_rec = page_rec_get_prev(page_get_supremum_rec(page)); + + if ((size == ULINT_UNDEFINED) || (n_recs == ULINT_UNDEFINED)) { + rec_t* rec2 = rec; + /* Calculate the sum of sizes and the number of records */ + size = 0; + n_recs = 0; + + do { + ulint s; + offsets = rec_get_offsets(rec2, index, offsets, + ULINT_UNDEFINED, &heap); + s = rec_offs_size(offsets); + ut_ad(rec2 - page + s - rec_offs_extra_size(offsets) + < UNIV_PAGE_SIZE); + ut_ad(size + s < UNIV_PAGE_SIZE); + size += s; + n_recs++; + + rec2 = page_rec_get_next(rec2); + } while (!page_rec_is_supremum(rec2)); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + ut_ad(size < UNIV_PAGE_SIZE); + + /* Update the page directory; there is no need to balance the number + of the records owned by the supremum record, as it is allowed to be + less than PAGE_DIR_SLOT_MIN_N_OWNED */ + + if (page_is_comp(page)) { + rec_t* rec2 = rec; + ulint count = 0; + + while (rec_get_n_owned_new(rec2) == 0) { + count++; + + rec2 = rec_get_next_ptr(rec2, TRUE); + } + + ut_ad(rec_get_n_owned_new(rec2) > count); + + n_owned = rec_get_n_owned_new(rec2) - count; + slot_index = page_dir_find_owner_slot(rec2); + slot = page_dir_get_nth_slot(page, slot_index); + } else { + rec_t* rec2 = rec; + ulint count = 0; + + while (rec_get_n_owned_old(rec2) == 0) { + count++; + + rec2 = rec_get_next_ptr(rec2, FALSE); + } + + ut_ad(rec_get_n_owned_old(rec2) > count); + + n_owned = rec_get_n_owned_old(rec2) - count; + slot_index = page_dir_find_owner_slot(rec2); + slot = page_dir_get_nth_slot(page, slot_index); + } + + page_dir_slot_set_rec(slot, page_get_supremum_rec(page)); + page_dir_slot_set_n_owned(slot, NULL, n_owned); + + page_dir_set_n_slots(page, NULL, slot_index + 1); + + /* Remove the record chain segment from the record chain */ + page_rec_set_next(prev_rec, page_get_supremum_rec(page)); + + /* Catenate the deleted chain segment to the page free list */ + + page_rec_set_next(last_rec, page_header_get_ptr(page, PAGE_FREE)); + page_header_set_ptr(page, NULL, PAGE_FREE, rec); + + page_header_set_field(page, NULL, PAGE_GARBAGE, size + + page_header_get_field(page, PAGE_GARBAGE)); + + page_header_set_field(page, NULL, PAGE_N_RECS, + (ulint)(page_get_n_recs(page) - n_recs)); +} + +/*************************************************************//** +Deletes records from page, up to the given record, NOT including +that record. Infimum and supremum records are not deleted. */ +UNIV_INTERN +void +page_delete_rec_list_start( +/*=======================*/ + rec_t* rec, /*!< in: record on page */ + buf_block_t* block, /*!< in: buffer block of the page */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_cur_t cur1; + ulint log_mode; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + mem_heap_t* heap = NULL; + byte type; + + rec_offs_init(offsets_); + + ut_ad((ibool) !!page_rec_is_comp(rec) + == dict_table_is_comp(index->table)); +#ifdef UNIV_ZIP_DEBUG + { + page_zip_des_t* page_zip= buf_block_get_page_zip(block); + page_t* page = buf_block_get_frame(block); + + /* page_zip_validate() would detect a min_rec_mark mismatch + in btr_page_split_and_insert() + between btr_attach_half_pages() and insert_page = ... + when btr_page_get_split_rec_to_left() holds + (direction == FSP_DOWN). */ + ut_a(!page_zip || page_zip_validate_low(page_zip, page, TRUE)); + } +#endif /* UNIV_ZIP_DEBUG */ + + if (page_rec_is_infimum(rec)) { + + return; + } + + if (page_rec_is_comp(rec)) { + type = MLOG_COMP_LIST_START_DELETE; + } else { + type = MLOG_LIST_START_DELETE; + } + + page_delete_rec_list_write_log(rec, index, type, mtr); + + page_cur_set_before_first(block, &cur1); + page_cur_move_to_next(&cur1); + + /* Individual deletes are not logged */ + + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + + while (page_cur_get_rec(&cur1) != rec) { + offsets = rec_get_offsets(page_cur_get_rec(&cur1), index, + offsets, ULINT_UNDEFINED, &heap); + page_cur_delete_rec(&cur1, index, offsets, mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + /* Restore log mode */ + + mtr_set_log_mode(mtr, log_mode); +} + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Moves record list end to another page. Moved records include +split_rec. +@return TRUE on success; FALSE on compression failure (new_block will +be decompressed) */ +UNIV_INTERN +ibool +page_move_rec_list_end( +/*===================*/ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in: index page from where to move */ + rec_t* split_rec, /*!< in: first record to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* new_page = buf_block_get_frame(new_block); + ulint old_data_size; + ulint new_data_size; + ulint old_n_recs; + ulint new_n_recs; + + old_data_size = page_get_data_size(new_page); + old_n_recs = page_get_n_recs(new_page); +#ifdef UNIV_ZIP_DEBUG + { + page_zip_des_t* new_page_zip + = buf_block_get_page_zip(new_block); + page_zip_des_t* page_zip + = buf_block_get_page_zip(block); + ut_a(!new_page_zip == !page_zip); + ut_a(!new_page_zip + || page_zip_validate(new_page_zip, new_page)); + ut_a(!page_zip + || page_zip_validate(page_zip, page_align(split_rec))); + } +#endif /* UNIV_ZIP_DEBUG */ + + if (UNIV_UNLIKELY(!page_copy_rec_list_end(new_block, block, + split_rec, index, mtr))) { + return(FALSE); + } + + new_data_size = page_get_data_size(new_page); + new_n_recs = page_get_n_recs(new_page); + + ut_ad(new_data_size >= old_data_size); + + page_delete_rec_list_end(split_rec, block, index, + new_n_recs - old_n_recs, + new_data_size - old_data_size, mtr); + + return(TRUE); +} + +/*************************************************************//** +Moves record list start to another page. Moved records do not include +split_rec. +@return TRUE on success; FALSE on compression failure */ +UNIV_INTERN +ibool +page_move_rec_list_start( +/*=====================*/ + buf_block_t* new_block, /*!< in/out: index page where to move */ + buf_block_t* block, /*!< in/out: page containing split_rec */ + rec_t* split_rec, /*!< in: first record not to move */ + dict_index_t* index, /*!< in: record descriptor */ + mtr_t* mtr) /*!< in: mtr */ +{ + if (UNIV_UNLIKELY(!page_copy_rec_list_start(new_block, block, + split_rec, index, mtr))) { + return(FALSE); + } + + page_delete_rec_list_start(split_rec, block, index, mtr); + + return(TRUE); +} + +/***********************************************************************//** +This is a low-level operation which is used in a database index creation +to update the page number of a created B-tree to a data dictionary record. */ +UNIV_INTERN +void +page_rec_write_index_page_no( +/*=========================*/ + rec_t* rec, /*!< in: record to update */ + ulint i, /*!< in: index of the field to update */ + ulint page_no,/*!< in: value to write */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* data; + ulint len; + + data = rec_get_nth_field_old(rec, i, &len); + + ut_ad(len == 4); + + mlog_write_ulint(data, page_no, MLOG_4BYTES, mtr); +} +#endif /* !UNIV_HOTBACKUP */ + +/**************************************************************//** +Used to delete n slots from the directory. This function updates +also n_owned fields in the records, so that the first slot after +the deleted ones inherits the records of the deleted slots. */ +UNIV_INLINE +void +page_dir_delete_slot( +/*=================*/ + page_t* page, /*!< in/out: the index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: slot to be deleted */ +{ + page_dir_slot_t* slot; + ulint n_owned; + ulint i; + ulint n_slots; + + ut_ad(!page_zip || page_is_comp(page)); + ut_ad(slot_no > 0); + ut_ad(slot_no + 1 < page_dir_get_n_slots(page)); + + n_slots = page_dir_get_n_slots(page); + + /* 1. Reset the n_owned fields of the slots to be + deleted */ + slot = page_dir_get_nth_slot(page, slot_no); + n_owned = page_dir_slot_get_n_owned(slot); + page_dir_slot_set_n_owned(slot, page_zip, 0); + + /* 2. Update the n_owned value of the first non-deleted slot */ + + slot = page_dir_get_nth_slot(page, slot_no + 1); + page_dir_slot_set_n_owned(slot, page_zip, + n_owned + page_dir_slot_get_n_owned(slot)); + + /* 3. Destroy the slot by copying slots */ + for (i = slot_no + 1; i < n_slots; i++) { + rec_t* rec = (rec_t*) + page_dir_slot_get_rec(page_dir_get_nth_slot(page, i)); + page_dir_slot_set_rec(page_dir_get_nth_slot(page, i - 1), rec); + } + + /* 4. Zero out the last slot, which will be removed */ + mach_write_to_2(page_dir_get_nth_slot(page, n_slots - 1), 0); + + /* 5. Update the page header */ + page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots - 1); +} + +/**************************************************************//** +Used to add n slots to the directory. Does not set the record pointers +in the added slots or update n_owned values: this is the responsibility +of the caller. */ +UNIV_INLINE +void +page_dir_add_slot( +/*==============*/ + page_t* page, /*!< in/out: the index page */ + page_zip_des_t* page_zip,/*!< in/out: comprssed page, or NULL */ + ulint start) /*!< in: the slot above which the new slots + are added */ +{ + page_dir_slot_t* slot; + ulint n_slots; + + n_slots = page_dir_get_n_slots(page); + + ut_ad(start < n_slots - 1); + + /* Update the page header */ + page_dir_set_n_slots(page, page_zip, n_slots + 1); + + /* Move slots up */ + slot = page_dir_get_nth_slot(page, n_slots); + memmove(slot, slot + PAGE_DIR_SLOT_SIZE, + (n_slots - 1 - start) * PAGE_DIR_SLOT_SIZE); +} + +/****************************************************************//** +Splits a directory slot which owns too many records. */ +UNIV_INTERN +void +page_dir_split_slot( +/*================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page whose + uncompressed part will be written, or NULL */ + ulint slot_no)/*!< in: the directory slot */ +{ + rec_t* rec; + page_dir_slot_t* new_slot; + page_dir_slot_t* prev_slot; + page_dir_slot_t* slot; + ulint i; + ulint n_owned; + + ut_ad(page); + ut_ad(!page_zip || page_is_comp(page)); + ut_ad(slot_no > 0); + + slot = page_dir_get_nth_slot(page, slot_no); + + n_owned = page_dir_slot_get_n_owned(slot); + ut_ad(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED + 1); + + /* 1. We loop to find a record approximately in the middle of the + records owned by the slot. */ + + prev_slot = page_dir_get_nth_slot(page, slot_no - 1); + rec = (rec_t*) page_dir_slot_get_rec(prev_slot); + + for (i = 0; i < n_owned / 2; i++) { + rec = page_rec_get_next(rec); + } + + ut_ad(n_owned / 2 >= PAGE_DIR_SLOT_MIN_N_OWNED); + + /* 2. We add one directory slot immediately below the slot to be + split. */ + + page_dir_add_slot(page, page_zip, slot_no - 1); + + /* The added slot is now number slot_no, and the old slot is + now number slot_no + 1 */ + + new_slot = page_dir_get_nth_slot(page, slot_no); + slot = page_dir_get_nth_slot(page, slot_no + 1); + + /* 3. We store the appropriate values to the new slot. */ + + page_dir_slot_set_rec(new_slot, rec); + page_dir_slot_set_n_owned(new_slot, page_zip, n_owned / 2); + + /* 4. Finally, we update the number of records field of the + original slot */ + + page_dir_slot_set_n_owned(slot, page_zip, n_owned - (n_owned / 2)); +} + +/*************************************************************//** +Tries to balance the given directory slot with too few records with the upper +neighbor, so that there are at least the minimum number of records owned by +the slot; this may result in the merging of two slots. */ +UNIV_INTERN +void +page_dir_balance_slot( +/*==================*/ + page_t* page, /*!< in/out: index page */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + ulint slot_no)/*!< in: the directory slot */ +{ + page_dir_slot_t* slot; + page_dir_slot_t* up_slot; + ulint n_owned; + ulint up_n_owned; + rec_t* old_rec; + rec_t* new_rec; + + ut_ad(page); + ut_ad(!page_zip || page_is_comp(page)); + ut_ad(slot_no > 0); + + slot = page_dir_get_nth_slot(page, slot_no); + + /* The last directory slot cannot be balanced with the upper + neighbor, as there is none. */ + + if (UNIV_UNLIKELY(slot_no == page_dir_get_n_slots(page) - 1)) { + + return; + } + + up_slot = page_dir_get_nth_slot(page, slot_no + 1); + + n_owned = page_dir_slot_get_n_owned(slot); + up_n_owned = page_dir_slot_get_n_owned(up_slot); + + ut_ad(n_owned == PAGE_DIR_SLOT_MIN_N_OWNED - 1); + + /* If the upper slot has the minimum value of n_owned, we will merge + the two slots, therefore we assert: */ + ut_ad(2 * PAGE_DIR_SLOT_MIN_N_OWNED - 1 <= PAGE_DIR_SLOT_MAX_N_OWNED); + + if (up_n_owned > PAGE_DIR_SLOT_MIN_N_OWNED) { + + /* In this case we can just transfer one record owned + by the upper slot to the property of the lower slot */ + old_rec = (rec_t*) page_dir_slot_get_rec(slot); + + if (page_is_comp(page)) { + new_rec = rec_get_next_ptr(old_rec, TRUE); + + rec_set_n_owned_new(old_rec, page_zip, 0); + rec_set_n_owned_new(new_rec, page_zip, n_owned + 1); + } else { + new_rec = rec_get_next_ptr(old_rec, FALSE); + + rec_set_n_owned_old(old_rec, 0); + rec_set_n_owned_old(new_rec, n_owned + 1); + } + + page_dir_slot_set_rec(slot, new_rec); + + page_dir_slot_set_n_owned(up_slot, page_zip, up_n_owned -1); + } else { + /* In this case we may merge the two slots */ + page_dir_delete_slot(page, page_zip, slot_no); + } +} + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Returns the middle record of the record list. If there are an even number +of records in the list, returns the first record of the upper half-list. +@return middle record */ +UNIV_INTERN +rec_t* +page_get_middle_rec( +/*================*/ + page_t* page) /*!< in: page */ +{ + page_dir_slot_t* slot; + ulint middle; + ulint i; + ulint n_owned; + ulint count; + rec_t* rec; + + /* This many records we must leave behind */ + middle = (page_get_n_recs(page) + PAGE_HEAP_NO_USER_LOW) / 2; + + count = 0; + + for (i = 0;; i++) { + + slot = page_dir_get_nth_slot(page, i); + n_owned = page_dir_slot_get_n_owned(slot); + + if (count + n_owned > middle) { + break; + } else { + count += n_owned; + } + } + + ut_ad(i > 0); + slot = page_dir_get_nth_slot(page, i - 1); + rec = (rec_t*) page_dir_slot_get_rec(slot); + rec = page_rec_get_next(rec); + + /* There are now count records behind rec */ + + for (i = 0; i < middle - count; i++) { + rec = page_rec_get_next(rec); + } + + return(rec); +} +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +Returns the number of records before the given record in chain. +The number includes infimum and supremum records. +@return number of records */ +UNIV_INTERN +ulint +page_rec_get_n_recs_before( +/*=======================*/ + const rec_t* rec) /*!< in: the physical record */ +{ + const page_dir_slot_t* slot; + const rec_t* slot_rec; + const page_t* page; + ulint i; + lint n = 0; + + ut_ad(page_rec_check(rec)); + + page = page_align(rec); + if (page_is_comp(page)) { + while (rec_get_n_owned_new(rec) == 0) { + + rec = rec_get_next_ptr_const(rec, TRUE); + n--; + } + + for (i = 0; ; i++) { + slot = page_dir_get_nth_slot(page, i); + slot_rec = page_dir_slot_get_rec(slot); + + n += rec_get_n_owned_new(slot_rec); + + if (rec == slot_rec) { + + break; + } + } + } else { + while (rec_get_n_owned_old(rec) == 0) { + + rec = rec_get_next_ptr_const(rec, FALSE); + n--; + } + + for (i = 0; ; i++) { + slot = page_dir_get_nth_slot(page, i); + slot_rec = page_dir_slot_get_rec(slot); + + n += rec_get_n_owned_old(slot_rec); + + if (rec == slot_rec) { + + break; + } + } + } + + n--; + + ut_ad(n >= 0); + + return((ulint) n); +} + +#ifndef UNIV_HOTBACKUP +/************************************************************//** +Prints record contents including the data relevant only in +the index page context. */ +UNIV_INTERN +void +page_rec_print( +/*===========*/ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: record descriptor */ +{ + ut_a(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); + rec_print_new(stderr, rec, offsets); + if (page_rec_is_comp(rec)) { + fprintf(stderr, + " n_owned: %lu; heap_no: %lu; next rec: %lu\n", + (ulong) rec_get_n_owned_new(rec), + (ulong) rec_get_heap_no_new(rec), + (ulong) rec_get_next_offs(rec, TRUE)); + } else { + fprintf(stderr, + " n_owned: %lu; heap_no: %lu; next rec: %lu\n", + (ulong) rec_get_n_owned_old(rec), + (ulong) rec_get_heap_no_old(rec), + (ulong) rec_get_next_offs(rec, TRUE)); + } + + page_rec_check(rec); + rec_validate(rec, offsets); +} + +/***************************************************************//** +This is used to print the contents of the directory for +debugging purposes. */ +UNIV_INTERN +void +page_dir_print( +/*===========*/ + page_t* page, /*!< in: index page */ + ulint pr_n) /*!< in: print n first and n last entries */ +{ + ulint n; + ulint i; + page_dir_slot_t* slot; + + n = page_dir_get_n_slots(page); + + fprintf(stderr, "--------------------------------\n" + "PAGE DIRECTORY\n" + "Page address %p\n" + "Directory stack top at offs: %lu; number of slots: %lu\n", + page, (ulong) page_offset(page_dir_get_nth_slot(page, n - 1)), + (ulong) n); + for (i = 0; i < n; i++) { + slot = page_dir_get_nth_slot(page, i); + if ((i == pr_n) && (i < n - pr_n)) { + fputs(" ... \n", stderr); + } + if ((i < pr_n) || (i >= n - pr_n)) { + fprintf(stderr, + "Contents of slot: %lu: n_owned: %lu," + " rec offs: %lu\n", + (ulong) i, + (ulong) page_dir_slot_get_n_owned(slot), + (ulong) + page_offset(page_dir_slot_get_rec(slot))); + } + } + fprintf(stderr, "Total of %lu records\n" + "--------------------------------\n", + (ulong) (PAGE_HEAP_NO_USER_LOW + page_get_n_recs(page))); +} + +/***************************************************************//** +This is used to print the contents of the page record list for +debugging purposes. */ +UNIV_INTERN +void +page_print_list( +/*============*/ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint pr_n) /*!< in: print n first and n last entries */ +{ + page_t* page = block->frame; + page_cur_t cur; + ulint count; + ulint n_recs; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_a((ibool)!!page_is_comp(page) == dict_table_is_comp(index->table)); + + fprintf(stderr, + "--------------------------------\n" + "PAGE RECORD LIST\n" + "Page address %p\n", page); + + n_recs = page_get_n_recs(page); + + page_cur_set_before_first(block, &cur); + count = 0; + for (;;) { + offsets = rec_get_offsets(cur.rec, index, offsets, + ULINT_UNDEFINED, &heap); + page_rec_print(cur.rec, offsets); + + if (count == pr_n) { + break; + } + if (page_cur_is_after_last(&cur)) { + break; + } + page_cur_move_to_next(&cur); + count++; + } + + if (n_recs > 2 * pr_n) { + fputs(" ... \n", stderr); + } + + while (!page_cur_is_after_last(&cur)) { + page_cur_move_to_next(&cur); + + if (count + pr_n >= n_recs) { + offsets = rec_get_offsets(cur.rec, index, offsets, + ULINT_UNDEFINED, &heap); + page_rec_print(cur.rec, offsets); + } + count++; + } + + fprintf(stderr, + "Total of %lu records \n" + "--------------------------------\n", + (ulong) (count + 1)); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/***************************************************************//** +Prints the info in a page header. */ +UNIV_INTERN +void +page_header_print( +/*==============*/ + const page_t* page) +{ + fprintf(stderr, + "--------------------------------\n" + "PAGE HEADER INFO\n" + "Page address %p, n records %lu (%s)\n" + "n dir slots %lu, heap top %lu\n" + "Page n heap %lu, free %lu, garbage %lu\n" + "Page last insert %lu, direction %lu, n direction %lu\n", + page, (ulong) page_header_get_field(page, PAGE_N_RECS), + page_is_comp(page) ? "compact format" : "original format", + (ulong) page_header_get_field(page, PAGE_N_DIR_SLOTS), + (ulong) page_header_get_field(page, PAGE_HEAP_TOP), + (ulong) page_dir_get_n_heap(page), + (ulong) page_header_get_field(page, PAGE_FREE), + (ulong) page_header_get_field(page, PAGE_GARBAGE), + (ulong) page_header_get_field(page, PAGE_LAST_INSERT), + (ulong) page_header_get_field(page, PAGE_DIRECTION), + (ulong) page_header_get_field(page, PAGE_N_DIRECTION)); +} + +/***************************************************************//** +This is used to print the contents of the page for +debugging purposes. */ +UNIV_INTERN +void +page_print( +/*=======*/ + buf_block_t* block, /*!< in: index page */ + dict_index_t* index, /*!< in: dictionary index of the page */ + ulint dn, /*!< in: print dn first and last entries + in directory */ + ulint rn) /*!< in: print rn first and last records + in directory */ +{ + page_t* page = block->frame; + + page_header_print(page); + page_dir_print(page, dn); + page_print_list(block, index, rn); +} +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +The following is used to validate a record on a page. This function +differs from rec_validate as it can also check the n_owned field and +the heap_no field. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_rec_validate( +/*==============*/ + rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint n_owned; + ulint heap_no; + page_t* page; + + page = page_align(rec); + ut_a(!page_is_comp(page) == !rec_offs_comp(offsets)); + + page_rec_check(rec); + rec_validate(rec, offsets); + + if (page_rec_is_comp(rec)) { + n_owned = rec_get_n_owned_new(rec); + heap_no = rec_get_heap_no_new(rec); + } else { + n_owned = rec_get_n_owned_old(rec); + heap_no = rec_get_heap_no_old(rec); + } + + if (UNIV_UNLIKELY(!(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED))) { + fprintf(stderr, + "InnoDB: Dir slot of rec %lu, n owned too big %lu\n", + (ulong) page_offset(rec), (ulong) n_owned); + return(FALSE); + } + + if (UNIV_UNLIKELY(!(heap_no < page_dir_get_n_heap(page)))) { + fprintf(stderr, + "InnoDB: Heap no of rec %lu too big %lu %lu\n", + (ulong) page_offset(rec), (ulong) heap_no, + (ulong) page_dir_get_n_heap(page)); + return(FALSE); + } + + return(TRUE); +} + +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Checks that the first directory slot points to the infimum record and +the last to the supremum. This function is intended to track if the +bug fixed in 4.0.14 has caused corruption to users' databases. */ +UNIV_INTERN +void +page_check_dir( +/*===========*/ + const page_t* page) /*!< in: index page */ +{ + ulint n_slots; + ulint infimum_offs; + ulint supremum_offs; + + n_slots = page_dir_get_n_slots(page); + infimum_offs = mach_read_from_2(page_dir_get_nth_slot(page, 0)); + supremum_offs = mach_read_from_2(page_dir_get_nth_slot(page, + n_slots - 1)); + + if (UNIV_UNLIKELY(!page_rec_is_infimum_low(infimum_offs))) { + + fprintf(stderr, + "InnoDB: Page directory corruption:" + " infimum not pointed to\n"); + buf_page_print(page, 0); + } + + if (UNIV_UNLIKELY(!page_rec_is_supremum_low(supremum_offs))) { + + fprintf(stderr, + "InnoDB: Page directory corruption:" + " supremum not pointed to\n"); + buf_page_print(page, 0); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +This function checks the consistency of an index page when we do not +know the index. This is also resilient so that this should never crash +even if the page is total garbage. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_simple_validate_old( +/*=====================*/ + page_t* page) /*!< in: old-style index page */ +{ + page_dir_slot_t* slot; + ulint slot_no; + ulint n_slots; + rec_t* rec; + byte* rec_heap_top; + ulint count; + ulint own_count; + ibool ret = FALSE; + + ut_a(!page_is_comp(page)); + + /* Check first that the record heap and the directory do not + overlap. */ + + n_slots = page_dir_get_n_slots(page); + + if (UNIV_UNLIKELY(n_slots > UNIV_PAGE_SIZE / 4)) { + fprintf(stderr, + "InnoDB: Nonsensical number %lu of page dir slots\n", + (ulong) n_slots); + + goto func_exit; + } + + rec_heap_top = page_header_get_ptr(page, PAGE_HEAP_TOP); + + if (UNIV_UNLIKELY(rec_heap_top + > page_dir_get_nth_slot(page, n_slots - 1))) { + + fprintf(stderr, + "InnoDB: Record heap and dir overlap on a page," + " heap top %lu, dir %lu\n", + (ulong) page_header_get_field(page, PAGE_HEAP_TOP), + (ulong) + page_offset(page_dir_get_nth_slot(page, n_slots - 1))); + + goto func_exit; + } + + /* Validate the record list in a loop checking also that it is + consistent with the page record directory. */ + + count = 0; + own_count = 1; + slot_no = 0; + slot = page_dir_get_nth_slot(page, slot_no); + + rec = page_get_infimum_rec(page); + + for (;;) { + if (UNIV_UNLIKELY(rec > rec_heap_top)) { + fprintf(stderr, + "InnoDB: Record %lu is above" + " rec heap top %lu\n", + (ulong)(rec - page), + (ulong)(rec_heap_top - page)); + + goto func_exit; + } + + if (UNIV_UNLIKELY(rec_get_n_owned_old(rec))) { + /* This is a record pointed to by a dir slot */ + if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) + != own_count)) { + + fprintf(stderr, + "InnoDB: Wrong owned count %lu, %lu," + " rec %lu\n", + (ulong) rec_get_n_owned_old(rec), + (ulong) own_count, + (ulong)(rec - page)); + + goto func_exit; + } + + if (UNIV_UNLIKELY + (page_dir_slot_get_rec(slot) != rec)) { + fprintf(stderr, + "InnoDB: Dir slot does not point" + " to right rec %lu\n", + (ulong)(rec - page)); + + goto func_exit; + } + + own_count = 0; + + if (!page_rec_is_supremum(rec)) { + slot_no++; + slot = page_dir_get_nth_slot(page, slot_no); + } + } + + if (page_rec_is_supremum(rec)) { + + break; + } + + if (UNIV_UNLIKELY + (rec_get_next_offs(rec, FALSE) < FIL_PAGE_DATA + || rec_get_next_offs(rec, FALSE) >= UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Next record offset" + " nonsensical %lu for rec %lu\n", + (ulong) rec_get_next_offs(rec, FALSE), + (ulong) (rec - page)); + + goto func_exit; + } + + count++; + + if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Page record list appears" + " to be circular %lu\n", + (ulong) count); + goto func_exit; + } + + rec = page_rec_get_next(rec); + own_count++; + } + + if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) == 0)) { + fprintf(stderr, "InnoDB: n owned is zero in a supremum rec\n"); + + goto func_exit; + } + + if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { + fprintf(stderr, "InnoDB: n slots wrong %lu, %lu\n", + (ulong) slot_no, (ulong) (n_slots - 1)); + goto func_exit; + } + + if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW + != count + 1)) { + fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", + (ulong) page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW, + (ulong) (count + 1)); + + goto func_exit; + } + + /* Check then the free list */ + rec = page_header_get_ptr(page, PAGE_FREE); + + while (rec != NULL) { + if (UNIV_UNLIKELY(rec < page + FIL_PAGE_DATA + || rec >= page + UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Free list record has" + " a nonsensical offset %lu\n", + (ulong) (rec - page)); + + goto func_exit; + } + + if (UNIV_UNLIKELY(rec > rec_heap_top)) { + fprintf(stderr, + "InnoDB: Free list record %lu" + " is above rec heap top %lu\n", + (ulong) (rec - page), + (ulong) (rec_heap_top - page)); + + goto func_exit; + } + + count++; + + if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Page free list appears" + " to be circular %lu\n", + (ulong) count); + goto func_exit; + } + + rec = page_rec_get_next(rec); + } + + if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { + + fprintf(stderr, "InnoDB: N heap is wrong %lu, %lu\n", + (ulong) page_dir_get_n_heap(page), + (ulong) (count + 1)); + + goto func_exit; + } + + ret = TRUE; + +func_exit: + return(ret); +} + +/***************************************************************//** +This function checks the consistency of an index page when we do not +know the index. This is also resilient so that this should never crash +even if the page is total garbage. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_simple_validate_new( +/*=====================*/ + page_t* page) /*!< in: new-style index page */ +{ + page_dir_slot_t* slot; + ulint slot_no; + ulint n_slots; + rec_t* rec; + byte* rec_heap_top; + ulint count; + ulint own_count; + ibool ret = FALSE; + + ut_a(page_is_comp(page)); + + /* Check first that the record heap and the directory do not + overlap. */ + + n_slots = page_dir_get_n_slots(page); + + if (UNIV_UNLIKELY(n_slots > UNIV_PAGE_SIZE / 4)) { + fprintf(stderr, + "InnoDB: Nonsensical number %lu" + " of page dir slots\n", (ulong) n_slots); + + goto func_exit; + } + + rec_heap_top = page_header_get_ptr(page, PAGE_HEAP_TOP); + + if (UNIV_UNLIKELY(rec_heap_top + > page_dir_get_nth_slot(page, n_slots - 1))) { + + fprintf(stderr, + "InnoDB: Record heap and dir overlap on a page," + " heap top %lu, dir %lu\n", + (ulong) page_header_get_field(page, PAGE_HEAP_TOP), + (ulong) + page_offset(page_dir_get_nth_slot(page, n_slots - 1))); + + goto func_exit; + } + + /* Validate the record list in a loop checking also that it is + consistent with the page record directory. */ + + count = 0; + own_count = 1; + slot_no = 0; + slot = page_dir_get_nth_slot(page, slot_no); + + rec = page_get_infimum_rec(page); + + for (;;) { + if (UNIV_UNLIKELY(rec > rec_heap_top)) { + fprintf(stderr, + "InnoDB: Record %lu is above rec" + " heap top %lu\n", + (ulong) page_offset(rec), + (ulong) page_offset(rec_heap_top)); + + goto func_exit; + } + + if (UNIV_UNLIKELY(rec_get_n_owned_new(rec))) { + /* This is a record pointed to by a dir slot */ + if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) + != own_count)) { + + fprintf(stderr, + "InnoDB: Wrong owned count %lu, %lu," + " rec %lu\n", + (ulong) rec_get_n_owned_new(rec), + (ulong) own_count, + (ulong) page_offset(rec)); + + goto func_exit; + } + + if (UNIV_UNLIKELY + (page_dir_slot_get_rec(slot) != rec)) { + fprintf(stderr, + "InnoDB: Dir slot does not point" + " to right rec %lu\n", + (ulong) page_offset(rec)); + + goto func_exit; + } + + own_count = 0; + + if (!page_rec_is_supremum(rec)) { + slot_no++; + slot = page_dir_get_nth_slot(page, slot_no); + } + } + + if (page_rec_is_supremum(rec)) { + + break; + } + + if (UNIV_UNLIKELY + (rec_get_next_offs(rec, TRUE) < FIL_PAGE_DATA + || rec_get_next_offs(rec, TRUE) >= UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Next record offset nonsensical %lu" + " for rec %lu\n", + (ulong) rec_get_next_offs(rec, TRUE), + (ulong) page_offset(rec)); + + goto func_exit; + } + + count++; + + if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Page record list appears" + " to be circular %lu\n", + (ulong) count); + goto func_exit; + } + + rec = page_rec_get_next(rec); + own_count++; + } + + if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) == 0)) { + fprintf(stderr, "InnoDB: n owned is zero" + " in a supremum rec\n"); + + goto func_exit; + } + + if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { + fprintf(stderr, "InnoDB: n slots wrong %lu, %lu\n", + (ulong) slot_no, (ulong) (n_slots - 1)); + goto func_exit; + } + + if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW + != count + 1)) { + fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", + (ulong) page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW, + (ulong) (count + 1)); + + goto func_exit; + } + + /* Check then the free list */ + rec = page_header_get_ptr(page, PAGE_FREE); + + while (rec != NULL) { + if (UNIV_UNLIKELY(rec < page + FIL_PAGE_DATA + || rec >= page + UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Free list record has" + " a nonsensical offset %lu\n", + (ulong) page_offset(rec)); + + goto func_exit; + } + + if (UNIV_UNLIKELY(rec > rec_heap_top)) { + fprintf(stderr, + "InnoDB: Free list record %lu" + " is above rec heap top %lu\n", + (ulong) page_offset(rec), + (ulong) page_offset(rec_heap_top)); + + goto func_exit; + } + + count++; + + if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Page free list appears" + " to be circular %lu\n", + (ulong) count); + goto func_exit; + } + + rec = page_rec_get_next(rec); + } + + if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { + + fprintf(stderr, "InnoDB: N heap is wrong %lu, %lu\n", + (ulong) page_dir_get_n_heap(page), + (ulong) (count + 1)); + + goto func_exit; + } + + ret = TRUE; + +func_exit: + return(ret); +} + +/***************************************************************//** +This function checks the consistency of an index page. +@return TRUE if ok */ +UNIV_INTERN +ibool +page_validate( +/*==========*/ + page_t* page, /*!< in: index page */ + dict_index_t* index) /*!< in: data dictionary index containing + the page record type definition */ +{ + page_dir_slot_t*slot; + mem_heap_t* heap; + byte* buf; + ulint count; + ulint own_count; + ulint rec_own_count; + ulint slot_no; + ulint data_size; + rec_t* rec; + rec_t* old_rec = NULL; + ulint offs; + ulint n_slots; + ibool ret = FALSE; + ulint i; + ulint* offsets = NULL; + ulint* old_offsets = NULL; + + if (UNIV_UNLIKELY((ibool) !!page_is_comp(page) + != dict_table_is_comp(index->table))) { + fputs("InnoDB: 'compact format' flag mismatch\n", stderr); + goto func_exit2; + } + if (page_is_comp(page)) { + if (UNIV_UNLIKELY(!page_simple_validate_new(page))) { + goto func_exit2; + } + } else { + if (UNIV_UNLIKELY(!page_simple_validate_old(page))) { + goto func_exit2; + } + } + + heap = mem_heap_create(UNIV_PAGE_SIZE + 200); + + /* The following buffer is used to check that the + records in the page record heap do not overlap */ + + buf = mem_heap_zalloc(heap, UNIV_PAGE_SIZE); + + /* Check first that the record heap and the directory do not + overlap. */ + + n_slots = page_dir_get_n_slots(page); + + if (UNIV_UNLIKELY(!(page_header_get_ptr(page, PAGE_HEAP_TOP) + <= page_dir_get_nth_slot(page, n_slots - 1)))) { + + fprintf(stderr, + "InnoDB: Record heap and dir overlap" + " on space %lu page %lu index %s, %p, %p\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), index->name, + page_header_get_ptr(page, PAGE_HEAP_TOP), + page_dir_get_nth_slot(page, n_slots - 1)); + + goto func_exit; + } + + /* Validate the record list in a loop checking also that + it is consistent with the directory. */ + count = 0; + data_size = 0; + own_count = 1; + slot_no = 0; + slot = page_dir_get_nth_slot(page, slot_no); + + rec = page_get_infimum_rec(page); + + for (;;) { + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + if (page_is_comp(page) && page_rec_is_user_rec(rec) + && UNIV_UNLIKELY(rec_get_node_ptr_flag(rec) + == page_is_leaf(page))) { + fputs("InnoDB: node_ptr flag mismatch\n", stderr); + goto func_exit; + } + + if (UNIV_UNLIKELY(!page_rec_validate(rec, offsets))) { + goto func_exit; + } + +#ifndef UNIV_HOTBACKUP + /* Check that the records are in the ascending order */ + if (UNIV_LIKELY(count >= PAGE_HEAP_NO_USER_LOW) + && !page_rec_is_supremum(rec)) { + if (UNIV_UNLIKELY + (1 != cmp_rec_rec(rec, old_rec, + offsets, old_offsets, index))) { + fprintf(stderr, + "InnoDB: Records in wrong order" + " on space %lu page %lu index %s\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), + index->name); + fputs("\nInnoDB: previous record ", stderr); + rec_print_new(stderr, old_rec, old_offsets); + fputs("\nInnoDB: record ", stderr); + rec_print_new(stderr, rec, offsets); + putc('\n', stderr); + + goto func_exit; + } + } +#endif /* !UNIV_HOTBACKUP */ + + if (page_rec_is_user_rec(rec)) { + + data_size += rec_offs_size(offsets); + } + + offs = page_offset(rec_get_start(rec, offsets)); + + for (i = rec_offs_size(offsets); i--; ) { + if (UNIV_UNLIKELY(buf[offs + i])) { + /* No other record may overlap this */ + + fputs("InnoDB: Record overlaps another\n", + stderr); + goto func_exit; + } + + buf[offs + i] = 1; + } + + if (page_is_comp(page)) { + rec_own_count = rec_get_n_owned_new(rec); + } else { + rec_own_count = rec_get_n_owned_old(rec); + } + + if (UNIV_UNLIKELY(rec_own_count)) { + /* This is a record pointed to by a dir slot */ + if (UNIV_UNLIKELY(rec_own_count != own_count)) { + fprintf(stderr, + "InnoDB: Wrong owned count %lu, %lu\n", + (ulong) rec_own_count, + (ulong) own_count); + goto func_exit; + } + + if (page_dir_slot_get_rec(slot) != rec) { + fputs("InnoDB: Dir slot does not" + " point to right rec\n", + stderr); + goto func_exit; + } + + page_dir_slot_check(slot); + + own_count = 0; + if (!page_rec_is_supremum(rec)) { + slot_no++; + slot = page_dir_get_nth_slot(page, slot_no); + } + } + + if (page_rec_is_supremum(rec)) { + break; + } + + count++; + own_count++; + old_rec = rec; + rec = page_rec_get_next(rec); + + /* set old_offsets to offsets; recycle offsets */ + { + ulint* offs = old_offsets; + old_offsets = offsets; + offsets = offs; + } + } + + if (page_is_comp(page)) { + if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) == 0)) { + + goto n_owned_zero; + } + } else if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) == 0)) { +n_owned_zero: + fputs("InnoDB: n owned is zero\n", stderr); + goto func_exit; + } + + if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { + fprintf(stderr, "InnoDB: n slots wrong %lu %lu\n", + (ulong) slot_no, (ulong) (n_slots - 1)); + goto func_exit; + } + + if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW + != count + 1)) { + fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", + (ulong) page_header_get_field(page, PAGE_N_RECS) + + PAGE_HEAP_NO_USER_LOW, + (ulong) (count + 1)); + goto func_exit; + } + + if (UNIV_UNLIKELY(data_size != page_get_data_size(page))) { + fprintf(stderr, + "InnoDB: Summed data size %lu, returned by func %lu\n", + (ulong) data_size, (ulong) page_get_data_size(page)); + goto func_exit; + } + + /* Check then the free list */ + rec = page_header_get_ptr(page, PAGE_FREE); + + while (rec != NULL) { + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + if (UNIV_UNLIKELY(!page_rec_validate(rec, offsets))) { + + goto func_exit; + } + + count++; + offs = page_offset(rec_get_start(rec, offsets)); + + for (i = rec_offs_size(offsets); i--; ) { + + if (UNIV_UNLIKELY(buf[offs + i])) { + fputs("InnoDB: Record overlaps another" + " in free list\n", stderr); + goto func_exit; + } + + buf[offs + i] = 1; + } + + rec = page_rec_get_next(rec); + } + + if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { + fprintf(stderr, "InnoDB: N heap is wrong %lu %lu\n", + (ulong) page_dir_get_n_heap(page), + (ulong) count + 1); + goto func_exit; + } + + ret = TRUE; + +func_exit: + mem_heap_free(heap); + + if (UNIV_UNLIKELY(ret == FALSE)) { +func_exit2: + fprintf(stderr, + "InnoDB: Apparent corruption" + " in space %lu page %lu index %s\n", + (ulong) page_get_space_id(page), + (ulong) page_get_page_no(page), + index->name); + buf_page_print(page, 0); + } + + return(ret); +} + +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Looks in the page record list for a record with the given heap number. +@return record, NULL if not found */ +UNIV_INTERN +const rec_t* +page_find_rec_with_heap_no( +/*=======================*/ + const page_t* page, /*!< in: index page */ + ulint heap_no)/*!< in: heap number */ +{ + const rec_t* rec; + + if (page_is_comp(page)) { + rec = page + PAGE_NEW_INFIMUM; + + for(;;) { + ulint rec_heap_no = rec_get_heap_no_new(rec); + + if (rec_heap_no == heap_no) { + + return(rec); + } else if (rec_heap_no == PAGE_HEAP_NO_SUPREMUM) { + + return(NULL); + } + + rec = page + rec_get_next_offs(rec, TRUE); + } + } else { + rec = page + PAGE_OLD_INFIMUM; + + for (;;) { + ulint rec_heap_no = rec_get_heap_no_old(rec); + + if (rec_heap_no == heap_no) { + + return(rec); + } else if (rec_heap_no == PAGE_HEAP_NO_SUPREMUM) { + + return(NULL); + } + + rec = page + rec_get_next_offs(rec, FALSE); + } + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/page/page0zip.c b/perfschema/page/page0zip.c new file mode 100644 index 00000000000..aa5e39ff04a --- /dev/null +++ b/perfschema/page/page0zip.c @@ -0,0 +1,4667 @@ +/***************************************************************************** + +Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file page/page0zip.c +Compressed page interface + +Created June 2005 by Marko Makela +*******************************************************/ + +#define THIS_MODULE +#include "page0zip.h" +#ifdef UNIV_NONINL +# include "page0zip.ic" +#endif +#undef THIS_MODULE +#include "page0page.h" +#include "mtr0log.h" +#include "ut0sort.h" +#include "dict0dict.h" +#include "btr0cur.h" +#include "page0types.h" +#include "log0recv.h" +#include "zlib.h" +#ifndef UNIV_HOTBACKUP +# include "buf0lru.h" +# include "btr0sea.h" +# include "dict0boot.h" +# include "lock0lock.h" +#else /* !UNIV_HOTBACKUP */ +# define lock_move_reorganize_page(block, temp_block) ((void) 0) +# define buf_LRU_stat_inc_unzip() ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP +/** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ +UNIV_INTERN page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; +#endif /* !UNIV_HOTBACKUP */ + +/* Please refer to ../include/page0zip.ic for a description of the +compressed page format. */ + +/* The infimum and supremum records are omitted from the compressed page. +On compress, we compare that the records are there, and on uncompress we +restore the records. */ +/** Extra bytes of an infimum record */ +static const byte infimum_extra[] = { + 0x01, /* info_bits=0, n_owned=1 */ + 0x00, 0x02 /* heap_no=0, status=2 */ + /* ?, ? */ /* next=(first user rec, or supremum) */ +}; +/** Data bytes of an infimum record */ +static const byte infimum_data[] = { + 0x69, 0x6e, 0x66, 0x69, + 0x6d, 0x75, 0x6d, 0x00 /* "infimum\0" */ +}; +/** Extra bytes and data bytes of a supremum record */ +static const byte supremum_extra_data[] = { + /* 0x0?, */ /* info_bits=0, n_owned=1..8 */ + 0x00, 0x0b, /* heap_no=1, status=3 */ + 0x00, 0x00, /* next=0 */ + 0x73, 0x75, 0x70, 0x72, + 0x65, 0x6d, 0x75, 0x6d /* "supremum" */ +}; + +/** Assert that a block of memory is filled with zero bytes. +Compare at most sizeof(field_ref_zero) bytes. +@param b in: memory block +@param s in: size of the memory block, in bytes */ +#define ASSERT_ZERO(b, s) \ + ut_ad(!memcmp(b, field_ref_zero, ut_min(s, sizeof field_ref_zero))) +/** Assert that a BLOB pointer is filled with zero bytes. +@param b in: BLOB pointer */ +#define ASSERT_ZERO_BLOB(b) \ + ut_ad(!memcmp(b, field_ref_zero, sizeof field_ref_zero)) + +/* Enable some extra debugging output. This code can be enabled +independently of any UNIV_ debugging conditions. */ +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +# include +__attribute__((format (printf, 1, 2))) +/**********************************************************************//** +Report a failure to decompress or compress. +@return number of characters printed */ +static +int +page_zip_fail_func( +/*===============*/ + const char* fmt, /*!< in: printf(3) format string */ + ...) /*!< in: arguments corresponding to fmt */ +{ + int res; + va_list ap; + + ut_print_timestamp(stderr); + fputs(" InnoDB: ", stderr); + va_start(ap, fmt); + res = vfprintf(stderr, fmt, ap); + va_end(ap); + + return(res); +} +/** Wrapper for page_zip_fail_func() +@param fmt_args in: printf(3) format string and arguments */ +# define page_zip_fail(fmt_args) page_zip_fail_func fmt_args +#else /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +/** Dummy wrapper for page_zip_fail_func() +@param fmt_args ignored: printf(3) format string and arguments */ +# define page_zip_fail(fmt_args) /* empty */ +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Determine the guaranteed free space on an empty page. +@return minimum payload size on the page */ +UNIV_INTERN +ulint +page_zip_empty_size( +/*================*/ + ulint n_fields, /*!< in: number of columns in the index */ + ulint zip_size) /*!< in: compressed page size in bytes */ +{ + lint size = zip_size + /* subtract the page header and the longest + uncompressed data needed for one record */ + - (PAGE_DATA + + PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN + + 1/* encoded heap_no==2 in page_zip_write_rec() */ + + 1/* end of modification log */ + - REC_N_NEW_EXTRA_BYTES/* omitted bytes */) + /* subtract the space for page_zip_fields_encode() */ + - compressBound(2 * (n_fields + 1)); + return(size > 0 ? (ulint) size : 0); +} +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Gets the size of the compressed page trailer (the dense page directory), +including deleted records (the free list). +@return length of dense page directory, in bytes */ +UNIV_INLINE +ulint +page_zip_dir_size( +/*==============*/ + const page_zip_des_t* page_zip) /*!< in: compressed page */ +{ + /* Exclude the page infimum and supremum from the record count. */ + ulint size = PAGE_ZIP_DIR_SLOT_SIZE + * (page_dir_get_n_heap(page_zip->data) + - PAGE_HEAP_NO_USER_LOW); + return(size); +} + +/*************************************************************//** +Gets the size of the compressed page trailer (the dense page directory), +only including user records (excluding the free list). +@return length of dense page directory comprising existing records, in bytes */ +UNIV_INLINE +ulint +page_zip_dir_user_size( +/*===================*/ + const page_zip_des_t* page_zip) /*!< in: compressed page */ +{ + ulint size = PAGE_ZIP_DIR_SLOT_SIZE + * page_get_n_recs(page_zip->data); + ut_ad(size <= page_zip_dir_size(page_zip)); + return(size); +} + +/*************************************************************//** +Find the slot of the given record in the dense page directory. +@return dense directory slot, or NULL if record not found */ +UNIV_INLINE +byte* +page_zip_dir_find_low( +/*==================*/ + byte* slot, /*!< in: start of records */ + byte* end, /*!< in: end of records */ + ulint offset) /*!< in: offset of user record */ +{ + ut_ad(slot <= end); + + for (; slot < end; slot += PAGE_ZIP_DIR_SLOT_SIZE) { + if ((mach_read_from_2(slot) & PAGE_ZIP_DIR_SLOT_MASK) + == offset) { + return(slot); + } + } + + return(NULL); +} + +/*************************************************************//** +Find the slot of the given non-free record in the dense page directory. +@return dense directory slot, or NULL if record not found */ +UNIV_INLINE +byte* +page_zip_dir_find( +/*==============*/ + page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint offset) /*!< in: offset of user record */ +{ + byte* end = page_zip->data + page_zip_get_size(page_zip); + + ut_ad(page_zip_simple_validate(page_zip)); + + return(page_zip_dir_find_low(end - page_zip_dir_user_size(page_zip), + end, + offset)); +} + +/*************************************************************//** +Find the slot of the given free record in the dense page directory. +@return dense directory slot, or NULL if record not found */ +UNIV_INLINE +byte* +page_zip_dir_find_free( +/*===================*/ + page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint offset) /*!< in: offset of user record */ +{ + byte* end = page_zip->data + page_zip_get_size(page_zip); + + ut_ad(page_zip_simple_validate(page_zip)); + + return(page_zip_dir_find_low(end - page_zip_dir_size(page_zip), + end - page_zip_dir_user_size(page_zip), + offset)); +} + +/*************************************************************//** +Read a given slot in the dense page directory. +@return record offset on the uncompressed page, possibly ORed with +PAGE_ZIP_DIR_SLOT_DEL or PAGE_ZIP_DIR_SLOT_OWNED */ +UNIV_INLINE +ulint +page_zip_dir_get( +/*=============*/ + const page_zip_des_t* page_zip, /*!< in: compressed page */ + ulint slot) /*!< in: slot + (0=first user record) */ +{ + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(slot < page_zip_dir_size(page_zip) / PAGE_ZIP_DIR_SLOT_SIZE); + return(mach_read_from_2(page_zip->data + page_zip_get_size(page_zip) + - PAGE_ZIP_DIR_SLOT_SIZE * (slot + 1))); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Write a log record of compressing an index page. */ +static +void +page_zip_compress_write_log( +/*========================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + byte* log_ptr; + ulint trailer_size; + + ut_ad(!dict_index_is_ibuf(index)); + + log_ptr = mlog_open(mtr, 11 + 2 + 2); + + if (!log_ptr) { + + return; + } + + /* Read the number of user records. */ + trailer_size = page_dir_get_n_heap(page_zip->data) + - PAGE_HEAP_NO_USER_LOW; + /* Multiply by uncompressed of size stored per record */ + if (!page_is_leaf(page)) { + trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE; + } else if (dict_index_is_clust(index)) { + trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + } else { + trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE; + } + /* Add the space occupied by BLOB pointers. */ + trailer_size += page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; + ut_a(page_zip->m_end > PAGE_DATA); +#if FIL_PAGE_DATA > PAGE_DATA +# error "FIL_PAGE_DATA > PAGE_DATA" +#endif + ut_a(page_zip->m_end + trailer_size <= page_zip_get_size(page_zip)); + + log_ptr = mlog_write_initial_log_record_fast((page_t*) page, + MLOG_ZIP_PAGE_COMPRESS, + log_ptr, mtr); + mach_write_to_2(log_ptr, page_zip->m_end - FIL_PAGE_TYPE); + log_ptr += 2; + mach_write_to_2(log_ptr, trailer_size); + log_ptr += 2; + mlog_close(mtr, log_ptr); + + /* Write FIL_PAGE_PREV and FIL_PAGE_NEXT */ + mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_PREV, 4); + mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_NEXT, 4); + /* Write most of the page header, the compressed stream and + the modification log. */ + mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_TYPE, + page_zip->m_end - FIL_PAGE_TYPE); + /* Write the uncompressed trailer of the compressed page. */ + mlog_catenate_string(mtr, page_zip->data + page_zip_get_size(page_zip) + - trailer_size, trailer_size); +} +#endif /* !UNIV_HOTBACKUP */ + +/******************************************************//** +Determine how many externally stored columns are contained +in existing records with smaller heap_no than rec. */ +static +ulint +page_zip_get_n_prev_extern( +/*=======================*/ + const page_zip_des_t* page_zip,/*!< in: dense page directory on + compressed page */ + const rec_t* rec, /*!< in: compact physical record + on a B-tree leaf page */ + dict_index_t* index) /*!< in: record descriptor */ +{ + const page_t* page = page_align(rec); + ulint n_ext = 0; + ulint i; + ulint left; + ulint heap_no; + ulint n_recs = page_get_n_recs(page_zip->data); + + ut_ad(page_is_leaf(page)); + ut_ad(page_is_comp(page)); + ut_ad(dict_table_is_comp(index->table)); + ut_ad(dict_index_is_clust(index)); + ut_ad(!dict_index_is_ibuf(index)); + + heap_no = rec_get_heap_no_new(rec); + ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); + left = heap_no - PAGE_HEAP_NO_USER_LOW; + if (UNIV_UNLIKELY(!left)) { + return(0); + } + + for (i = 0; i < n_recs; i++) { + const rec_t* r = page + (page_zip_dir_get(page_zip, i) + & PAGE_ZIP_DIR_SLOT_MASK); + + if (rec_get_heap_no_new(r) < heap_no) { + n_ext += rec_get_n_extern_new(r, index, + ULINT_UNDEFINED); + if (!--left) { + break; + } + } + } + + return(n_ext); +} + +/**********************************************************************//** +Encode the length of a fixed-length column. +@return buf + length of encoded val */ +static +byte* +page_zip_fixed_field_encode( +/*========================*/ + byte* buf, /*!< in: pointer to buffer where to write */ + ulint val) /*!< in: value to write */ +{ + ut_ad(val >= 2); + + if (UNIV_LIKELY(val < 126)) { + /* + 0 = nullable variable field of at most 255 bytes length; + 1 = not null variable field of at most 255 bytes length; + 126 = nullable variable field with maximum length >255; + 127 = not null variable field with maximum length >255 + */ + *buf++ = (byte) val; + } else { + *buf++ = (byte) (0x80 | val >> 8); + *buf++ = (byte) val; + } + + return(buf); +} + +/**********************************************************************//** +Write the index information for the compressed page. +@return used size of buf */ +static +ulint +page_zip_fields_encode( +/*===================*/ + ulint n, /*!< in: number of fields to compress */ + dict_index_t* index, /*!< in: index comprising at least n fields */ + ulint trx_id_pos,/*!< in: position of the trx_id column + in the index, or ULINT_UNDEFINED if + this is a non-leaf page */ + byte* buf) /*!< out: buffer of (n + 1) * 2 bytes */ +{ + const byte* buf_start = buf; + ulint i; + ulint col; + ulint trx_id_col = 0; + /* sum of lengths of preceding non-nullable fixed fields, or 0 */ + ulint fixed_sum = 0; + + ut_ad(trx_id_pos == ULINT_UNDEFINED || trx_id_pos < n); + + for (i = col = 0; i < n; i++) { + dict_field_t* field = dict_index_get_nth_field(index, i); + ulint val; + + if (dict_field_get_col(field)->prtype & DATA_NOT_NULL) { + val = 1; /* set the "not nullable" flag */ + } else { + val = 0; /* nullable field */ + } + + if (!field->fixed_len) { + /* variable-length field */ + const dict_col_t* column + = dict_field_get_col(field); + + if (UNIV_UNLIKELY(column->len > 255) + || UNIV_UNLIKELY(column->mtype == DATA_BLOB)) { + val |= 0x7e; /* max > 255 bytes */ + } + + if (fixed_sum) { + /* write out the length of any + preceding non-nullable fields */ + buf = page_zip_fixed_field_encode( + buf, fixed_sum << 1 | 1); + fixed_sum = 0; + col++; + } + + *buf++ = (byte) val; + col++; + } else if (val) { + /* fixed-length non-nullable field */ + + if (fixed_sum && UNIV_UNLIKELY + (fixed_sum + field->fixed_len + > DICT_MAX_INDEX_COL_LEN)) { + /* Write out the length of the + preceding non-nullable fields, + to avoid exceeding the maximum + length of a fixed-length column. */ + buf = page_zip_fixed_field_encode( + buf, fixed_sum << 1 | 1); + fixed_sum = 0; + col++; + } + + if (i && UNIV_UNLIKELY(i == trx_id_pos)) { + if (fixed_sum) { + /* Write out the length of any + preceding non-nullable fields, + and start a new trx_id column. */ + buf = page_zip_fixed_field_encode( + buf, fixed_sum << 1 | 1); + col++; + } + + trx_id_col = col; + fixed_sum = field->fixed_len; + } else { + /* add to the sum */ + fixed_sum += field->fixed_len; + } + } else { + /* fixed-length nullable field */ + + if (fixed_sum) { + /* write out the length of any + preceding non-nullable fields */ + buf = page_zip_fixed_field_encode( + buf, fixed_sum << 1 | 1); + fixed_sum = 0; + col++; + } + + buf = page_zip_fixed_field_encode( + buf, field->fixed_len << 1); + col++; + } + } + + if (fixed_sum) { + /* Write out the lengths of last fixed-length columns. */ + buf = page_zip_fixed_field_encode(buf, fixed_sum << 1 | 1); + } + + if (trx_id_pos != ULINT_UNDEFINED) { + /* Write out the position of the trx_id column */ + i = trx_id_col; + } else { + /* Write out the number of nullable fields */ + i = index->n_nullable; + } + + if (i < 128) { + *buf++ = (byte) i; + } else { + *buf++ = (byte) (0x80 | i >> 8); + *buf++ = (byte) i; + } + + ut_ad((ulint) (buf - buf_start) <= (n + 2) * 2); + return((ulint) (buf - buf_start)); +} + +/**********************************************************************//** +Populate the dense page directory from the sparse directory. */ +static +void +page_zip_dir_encode( +/*================*/ + const page_t* page, /*!< in: compact page */ + byte* buf, /*!< in: pointer to dense page directory[-1]; + out: dense directory on compressed page */ + const rec_t** recs) /*!< in: pointer to an array of 0, or NULL; + out: dense page directory sorted by ascending + address (and heap_no) */ +{ + const byte* rec; + ulint status; + ulint min_mark; + ulint heap_no; + ulint i; + ulint n_heap; + ulint offs; + + min_mark = 0; + + if (page_is_leaf(page)) { + status = REC_STATUS_ORDINARY; + } else { + status = REC_STATUS_NODE_PTR; + if (UNIV_UNLIKELY + (mach_read_from_4(page + FIL_PAGE_PREV) == FIL_NULL)) { + min_mark = REC_INFO_MIN_REC_FLAG; + } + } + + n_heap = page_dir_get_n_heap(page); + + /* Traverse the list of stored records in the collation order, + starting from the first user record. */ + + rec = page + PAGE_NEW_INFIMUM, TRUE; + + i = 0; + + for (;;) { + ulint info_bits; + offs = rec_get_next_offs(rec, TRUE); + if (UNIV_UNLIKELY(offs == PAGE_NEW_SUPREMUM)) { + break; + } + rec = page + offs; + heap_no = rec_get_heap_no_new(rec); + ut_a(heap_no >= PAGE_HEAP_NO_USER_LOW); + ut_a(heap_no < n_heap); + ut_a(offs < UNIV_PAGE_SIZE - PAGE_DIR); + ut_a(offs >= PAGE_ZIP_START); +#if PAGE_ZIP_DIR_SLOT_MASK & (PAGE_ZIP_DIR_SLOT_MASK + 1) +# error "PAGE_ZIP_DIR_SLOT_MASK is not 1 less than a power of 2" +#endif +#if PAGE_ZIP_DIR_SLOT_MASK < UNIV_PAGE_SIZE - 1 +# error "PAGE_ZIP_DIR_SLOT_MASK < UNIV_PAGE_SIZE - 1" +#endif + if (UNIV_UNLIKELY(rec_get_n_owned_new(rec))) { + offs |= PAGE_ZIP_DIR_SLOT_OWNED; + } + + info_bits = rec_get_info_bits(rec, TRUE); + if (UNIV_UNLIKELY(info_bits & REC_INFO_DELETED_FLAG)) { + info_bits &= ~REC_INFO_DELETED_FLAG; + offs |= PAGE_ZIP_DIR_SLOT_DEL; + } + ut_a(info_bits == min_mark); + /* Only the smallest user record can have + REC_INFO_MIN_REC_FLAG set. */ + min_mark = 0; + + mach_write_to_2(buf - PAGE_ZIP_DIR_SLOT_SIZE * ++i, offs); + + if (UNIV_LIKELY_NULL(recs)) { + /* Ensure that each heap_no occurs at most once. */ + ut_a(!recs[heap_no - PAGE_HEAP_NO_USER_LOW]); + /* exclude infimum and supremum */ + recs[heap_no - PAGE_HEAP_NO_USER_LOW] = rec; + } + + ut_a(rec_get_status(rec) == status); + } + + offs = page_header_get_field(page, PAGE_FREE); + + /* Traverse the free list (of deleted records). */ + while (offs) { + ut_ad(!(offs & ~PAGE_ZIP_DIR_SLOT_MASK)); + rec = page + offs; + + heap_no = rec_get_heap_no_new(rec); + ut_a(heap_no >= PAGE_HEAP_NO_USER_LOW); + ut_a(heap_no < n_heap); + + ut_a(!rec[-REC_N_NEW_EXTRA_BYTES]); /* info_bits and n_owned */ + ut_a(rec_get_status(rec) == status); + + mach_write_to_2(buf - PAGE_ZIP_DIR_SLOT_SIZE * ++i, offs); + + if (UNIV_LIKELY_NULL(recs)) { + /* Ensure that each heap_no occurs at most once. */ + ut_a(!recs[heap_no - PAGE_HEAP_NO_USER_LOW]); + /* exclude infimum and supremum */ + recs[heap_no - PAGE_HEAP_NO_USER_LOW] = rec; + } + + offs = rec_get_next_offs(rec, TRUE); + } + + /* Ensure that each heap no occurs at least once. */ + ut_a(i + PAGE_HEAP_NO_USER_LOW == n_heap); +} + +/**********************************************************************//** +Allocate memory for zlib. */ +static +void* +page_zip_malloc( +/*============*/ + void* opaque, /*!< in/out: memory heap */ + uInt items, /*!< in: number of items to allocate */ + uInt size) /*!< in: size of an item in bytes */ +{ + return(mem_heap_alloc(opaque, items * size)); +} + +/**********************************************************************//** +Deallocate memory for zlib. */ +static +void +page_zip_free( +/*==========*/ + void* opaque __attribute__((unused)), /*!< in: memory heap */ + void* address __attribute__((unused)))/*!< in: object to free */ +{ +} + +/**********************************************************************//** +Configure the zlib allocator to use the given memory heap. */ +UNIV_INTERN +void +page_zip_set_alloc( +/*===============*/ + void* stream, /*!< in/out: zlib stream */ + mem_heap_t* heap) /*!< in: memory heap to use */ +{ + z_stream* strm = stream; + + strm->zalloc = page_zip_malloc; + strm->zfree = page_zip_free; + strm->opaque = heap; +} + +#if 0 || defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG +/** Symbol for enabling compression and decompression diagnostics */ +# define PAGE_ZIP_COMPRESS_DBG +#endif + +#ifdef PAGE_ZIP_COMPRESS_DBG +/** Set this variable in a debugger to enable +excessive logging in page_zip_compress(). */ +UNIV_INTERN ibool page_zip_compress_dbg; +/** Set this variable in a debugger to enable +binary logging of the data passed to deflate(). +When this variable is nonzero, it will act +as a log file name generator. */ +UNIV_INTERN unsigned page_zip_compress_log; + +/**********************************************************************//** +Wrapper for deflate(). Log the operation if page_zip_compress_dbg is set. +@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ +static +int +page_zip_compress_deflate( +/*======================*/ + FILE* logfile,/*!< in: log file, or NULL */ + z_streamp strm, /*!< in/out: compressed stream for deflate() */ + int flush) /*!< in: deflate() flushing method */ +{ + int status; + if (UNIV_UNLIKELY(page_zip_compress_dbg)) { + ut_print_buf(stderr, strm->next_in, strm->avail_in); + } + if (UNIV_LIKELY_NULL(logfile)) { + fwrite(strm->next_in, 1, strm->avail_in, logfile); + } + status = deflate(strm, flush); + if (UNIV_UNLIKELY(page_zip_compress_dbg)) { + fprintf(stderr, " -> %d\n", status); + } + return(status); +} + +/* Redefine deflate(). */ +# undef deflate +/** Debug wrapper for the zlib compression routine deflate(). +Log the operation if page_zip_compress_dbg is set. +@param strm in/out: compressed stream +@param flush in: flushing method +@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ +# define deflate(strm, flush) page_zip_compress_deflate(logfile, strm, flush) +/** Declaration of the logfile parameter */ +# define FILE_LOGFILE FILE* logfile, +/** The logfile parameter */ +# define LOGFILE logfile, +#else /* PAGE_ZIP_COMPRESS_DBG */ +/** Empty declaration of the logfile parameter */ +# define FILE_LOGFILE +/** Missing logfile parameter */ +# define LOGFILE +#endif /* PAGE_ZIP_COMPRESS_DBG */ + +/**********************************************************************//** +Compress the records of a node pointer page. +@return Z_OK, or a zlib error code */ +static +int +page_zip_compress_node_ptrs( +/*========================*/ + FILE_LOGFILE + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + byte* storage, /*!< in: end of dense page directory */ + mem_heap_t* heap) /*!< in: temporary memory heap */ +{ + int err = Z_OK; + ulint* offsets = NULL; + + do { + const rec_t* rec = *recs++; + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + /* Only leaf nodes may contain externally stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + /* Compress the extra bytes. */ + c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES + - c_stream->next_in; + + if (c_stream->avail_in) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + break; + } + } + ut_ad(!c_stream->avail_in); + + /* Compress the data bytes, except node_ptr. */ + c_stream->next_in = (byte*) rec; + c_stream->avail_in = rec_offs_data_size(offsets) + - REC_NODE_PTR_SIZE; + ut_ad(c_stream->avail_in); + + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + break; + } + + ut_ad(!c_stream->avail_in); + + memcpy(storage - REC_NODE_PTR_SIZE + * (rec_get_heap_no_new(rec) - 1), + c_stream->next_in, REC_NODE_PTR_SIZE); + c_stream->next_in += REC_NODE_PTR_SIZE; + } while (--n_dense); + + return(err); +} + +/**********************************************************************//** +Compress the records of a leaf node of a secondary index. +@return Z_OK, or a zlib error code */ +static +int +page_zip_compress_sec( +/*==================*/ + FILE_LOGFILE + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense) /*!< in: size of recs[] */ +{ + int err = Z_OK; + + ut_ad(n_dense > 0); + + do { + const rec_t* rec = *recs++; + + /* Compress everything up to this record. */ + c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES + - c_stream->next_in; + + if (UNIV_LIKELY(c_stream->avail_in)) { + UNIV_MEM_ASSERT_RW(c_stream->next_in, + c_stream->avail_in); + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + break; + } + } + + ut_ad(!c_stream->avail_in); + ut_ad(c_stream->next_in == rec - REC_N_NEW_EXTRA_BYTES); + + /* Skip the REC_N_NEW_EXTRA_BYTES. */ + + c_stream->next_in = (byte*) rec; + } while (--n_dense); + + return(err); +} + +/**********************************************************************//** +Compress a record of a leaf node of a clustered index that contains +externally stored columns. +@return Z_OK, or a zlib error code */ +static +int +page_zip_compress_clust_ext( +/*========================*/ + FILE_LOGFILE + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ + byte* deleted, /*!< in: dense directory entry pointing + to the head of the free list */ + byte* storage, /*!< in: end of dense page directory */ + byte** externs, /*!< in/out: pointer to the next + available BLOB pointer */ + ulint* n_blobs) /*!< in/out: number of + externally stored columns */ +{ + int err; + ulint i; + + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + ulint len; + const byte* src; + + if (UNIV_UNLIKELY(i == trx_id_col)) { + ut_ad(!rec_offs_nth_extern(offsets, i)); + /* Store trx_id and roll_ptr + in uncompressed form. */ + src = rec_get_nth_field(rec, offsets, i, &len); + ut_ad(src + DATA_TRX_ID_LEN + == rec_get_nth_field(rec, offsets, + i + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + + /* Compress any preceding bytes. */ + c_stream->avail_in + = src - c_stream->next_in; + + if (c_stream->avail_in) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + + return(err); + } + } + + ut_ad(!c_stream->avail_in); + ut_ad(c_stream->next_in == src); + + memcpy(storage + - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + * (rec_get_heap_no_new(rec) - 1), + c_stream->next_in, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + c_stream->next_in + += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + + /* Skip also roll_ptr */ + i++; + } else if (rec_offs_nth_extern(offsets, i)) { + src = rec_get_nth_field(rec, offsets, i, &len); + ut_ad(len >= BTR_EXTERN_FIELD_REF_SIZE); + src += len - BTR_EXTERN_FIELD_REF_SIZE; + + c_stream->avail_in = src + - c_stream->next_in; + if (UNIV_LIKELY(c_stream->avail_in)) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + + return(err); + } + } + + ut_ad(!c_stream->avail_in); + ut_ad(c_stream->next_in == src); + + /* Reserve space for the data at + the end of the space reserved for + the compressed data and the page + modification log. */ + + if (UNIV_UNLIKELY + (c_stream->avail_out + <= BTR_EXTERN_FIELD_REF_SIZE)) { + /* out of space */ + return(Z_BUF_ERROR); + } + + ut_ad(*externs == c_stream->next_out + + c_stream->avail_out + + 1/* end of modif. log */); + + c_stream->next_in + += BTR_EXTERN_FIELD_REF_SIZE; + + /* Skip deleted records. */ + if (UNIV_LIKELY_NULL + (page_zip_dir_find_low( + storage, deleted, + page_offset(rec)))) { + continue; + } + + (*n_blobs)++; + c_stream->avail_out + -= BTR_EXTERN_FIELD_REF_SIZE; + *externs -= BTR_EXTERN_FIELD_REF_SIZE; + + /* Copy the BLOB pointer */ + memcpy(*externs, c_stream->next_in + - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + } + } + + return(Z_OK); +} + +/**********************************************************************//** +Compress the records of a leaf node of a clustered index. +@return Z_OK, or a zlib error code */ +static +int +page_zip_compress_clust( +/*====================*/ + FILE_LOGFILE + z_stream* c_stream, /*!< in/out: compressed page stream */ + const rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* n_blobs, /*!< in: 0; out: number of + externally stored columns */ + ulint trx_id_col, /*!< index of the trx_id column */ + byte* deleted, /*!< in: dense directory entry pointing + to the head of the free list */ + byte* storage, /*!< in: end of dense page directory */ + mem_heap_t* heap) /*!< in: temporary memory heap */ +{ + int err = Z_OK; + ulint* offsets = NULL; + /* BTR_EXTERN_FIELD_REF storage */ + byte* externs = storage - n_dense + * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + ut_ad(*n_blobs == 0); + + do { + const rec_t* rec = *recs++; + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + ut_ad(rec_offs_n_fields(offsets) + == dict_index_get_n_fields(index)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + /* Compress the extra bytes. */ + c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES + - c_stream->next_in; + + if (c_stream->avail_in) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + + goto func_exit; + } + } + ut_ad(!c_stream->avail_in); + ut_ad(c_stream->next_in == rec - REC_N_NEW_EXTRA_BYTES); + + /* Compress the data bytes. */ + + c_stream->next_in = (byte*) rec; + + /* Check if there are any externally stored columns. + For each externally stored column, store the + BTR_EXTERN_FIELD_REF separately. */ + if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { + ut_ad(dict_index_is_clust(index)); + + err = page_zip_compress_clust_ext( + LOGFILE + c_stream, rec, offsets, trx_id_col, + deleted, storage, &externs, n_blobs); + + if (UNIV_UNLIKELY(err != Z_OK)) { + + goto func_exit; + } + } else { + ulint len; + const byte* src; + + /* Store trx_id and roll_ptr in uncompressed form. */ + src = rec_get_nth_field(rec, offsets, + trx_id_col, &len); + ut_ad(src + DATA_TRX_ID_LEN + == rec_get_nth_field(rec, offsets, + trx_id_col + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + /* Compress any preceding bytes. */ + c_stream->avail_in = src - c_stream->next_in; + + if (c_stream->avail_in) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + + return(err); + } + } + + ut_ad(!c_stream->avail_in); + ut_ad(c_stream->next_in == src); + + memcpy(storage + - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + * (rec_get_heap_no_new(rec) - 1), + c_stream->next_in, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + c_stream->next_in + += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + + /* Skip also roll_ptr */ + ut_ad(trx_id_col + 1 < rec_offs_n_fields(offsets)); + } + + /* Compress the last bytes of the record. */ + c_stream->avail_in = rec + rec_offs_data_size(offsets) + - c_stream->next_in; + + if (c_stream->avail_in) { + err = deflate(c_stream, Z_NO_FLUSH); + if (UNIV_UNLIKELY(err != Z_OK)) { + + goto func_exit; + } + } + ut_ad(!c_stream->avail_in); + } while (--n_dense); + +func_exit: + return(err); +} + +/**********************************************************************//** +Compress a page. +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure. */ +UNIV_INTERN +ibool +page_zip_compress( +/*==============*/ + page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, + m_start, m_end, m_nonempty */ + const page_t* page, /*!< in: uncompressed page */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ +{ + z_stream c_stream; + int err; + ulint n_fields;/* number of index fields needed */ + byte* fields; /*!< index field information */ + byte* buf; /*!< compressed payload of the page */ + byte* buf_end;/* end of buf */ + ulint n_dense; + ulint slot_size;/* amount of uncompressed bytes per record */ + const rec_t** recs; /*!< dense page directory, sorted by address */ + mem_heap_t* heap; + ulint trx_id_col; + ulint* offsets = NULL; + ulint n_blobs = 0; + byte* storage;/* storage of uncompressed columns */ +#ifndef UNIV_HOTBACKUP + ullint usec = ut_time_us(NULL); +#endif /* !UNIV_HOTBACKUP */ +#ifdef PAGE_ZIP_COMPRESS_DBG + FILE* logfile = NULL; +#endif + + ut_a(page_is_comp(page)); + ut_a(fil_page_get_type(page) == FIL_PAGE_INDEX); + ut_ad(page_simple_validate_new((page_t*) page)); + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(dict_table_is_comp(index->table)); + ut_ad(!dict_index_is_ibuf(index)); + + UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); + + /* Check the data that will be omitted. */ + ut_a(!memcmp(page + (PAGE_NEW_INFIMUM - REC_N_NEW_EXTRA_BYTES), + infimum_extra, sizeof infimum_extra)); + ut_a(!memcmp(page + PAGE_NEW_INFIMUM, + infimum_data, sizeof infimum_data)); + ut_a(page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] + /* info_bits == 0, n_owned <= max */ + <= PAGE_DIR_SLOT_MAX_N_OWNED); + ut_a(!memcmp(page + (PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES + 1), + supremum_extra_data, sizeof supremum_extra_data)); + + if (UNIV_UNLIKELY(!page_get_n_recs(page))) { + ut_a(rec_get_next_offs(page + PAGE_NEW_INFIMUM, TRUE) + == PAGE_NEW_SUPREMUM); + } + + if (page_is_leaf(page)) { + n_fields = dict_index_get_n_fields(index); + } else { + n_fields = dict_index_get_n_unique_in_tree(index); + } + + /* The dense directory excludes the infimum and supremum records. */ + n_dense = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; +#ifdef PAGE_ZIP_COMPRESS_DBG + if (UNIV_UNLIKELY(page_zip_compress_dbg)) { + fprintf(stderr, "compress %p %p %lu %lu %lu\n", + (void*) page_zip, (void*) page, + page_is_leaf(page), + n_fields, n_dense); + } + if (UNIV_UNLIKELY(page_zip_compress_log)) { + /* Create a log file for every compression attempt. */ + char logfilename[9]; + ut_snprintf(logfilename, sizeof logfilename, + "%08x", page_zip_compress_log++); + logfile = fopen(logfilename, "wb"); + + if (logfile) { + /* Write the uncompressed page to the log. */ + fwrite(page, 1, UNIV_PAGE_SIZE, logfile); + /* Record the compressed size as zero. + This will be overwritten at successful exit. */ + putc(0, logfile); + putc(0, logfile); + putc(0, logfile); + putc(0, logfile); + } + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP + page_zip_stat[page_zip->ssize - 1].compressed++; +#endif /* !UNIV_HOTBACKUP */ + + if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE + >= page_zip_get_size(page_zip))) { + + goto err_exit; + } + + heap = mem_heap_create(page_zip_get_size(page_zip) + + n_fields * (2 + sizeof *offsets) + + n_dense * ((sizeof *recs) + - PAGE_ZIP_DIR_SLOT_SIZE) + + UNIV_PAGE_SIZE * 4 + + (512 << MAX_MEM_LEVEL)); + + recs = mem_heap_zalloc(heap, n_dense * sizeof *recs); + + fields = mem_heap_alloc(heap, (n_fields + 1) * 2); + + buf = mem_heap_alloc(heap, page_zip_get_size(page_zip) - PAGE_DATA); + buf_end = buf + page_zip_get_size(page_zip) - PAGE_DATA; + + /* Compress the data payload. */ + page_zip_set_alloc(&c_stream, heap); + + err = deflateInit2(&c_stream, Z_DEFAULT_COMPRESSION, + Z_DEFLATED, UNIV_PAGE_SIZE_SHIFT, + MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY); + ut_a(err == Z_OK); + + c_stream.next_out = buf; + /* Subtract the space reserved for uncompressed data. */ + /* Page header and the end marker of the modification log */ + c_stream.avail_out = buf_end - buf - 1; + /* Dense page directory and uncompressed columns, if any */ + if (page_is_leaf(page)) { + if (dict_index_is_clust(index)) { + trx_id_col = dict_index_get_sys_col_pos( + index, DATA_TRX_ID); + ut_ad(trx_id_col > 0); + ut_ad(trx_id_col != ULINT_UNDEFINED); + + slot_size = PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + } else { + /* Signal the absence of trx_id + in page_zip_fields_encode() */ + ut_ad(dict_index_get_sys_col_pos(index, DATA_TRX_ID) + == ULINT_UNDEFINED); + trx_id_col = 0; + slot_size = PAGE_ZIP_DIR_SLOT_SIZE; + } + } else { + slot_size = PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE; + trx_id_col = ULINT_UNDEFINED; + } + + if (UNIV_UNLIKELY(c_stream.avail_out <= n_dense * slot_size + + 6/* sizeof(zlib header and footer) */)) { + goto zlib_error; + } + + c_stream.avail_out -= n_dense * slot_size; + c_stream.avail_in = page_zip_fields_encode(n_fields, index, + trx_id_col, fields); + c_stream.next_in = fields; + if (UNIV_LIKELY(!trx_id_col)) { + trx_id_col = ULINT_UNDEFINED; + } + + UNIV_MEM_ASSERT_RW(c_stream.next_in, c_stream.avail_in); + err = deflate(&c_stream, Z_FULL_FLUSH); + if (err != Z_OK) { + goto zlib_error; + } + + ut_ad(!c_stream.avail_in); + + page_zip_dir_encode(page, buf_end, recs); + + c_stream.next_in = (byte*) page + PAGE_ZIP_START; + + storage = buf_end - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; + + /* Compress the records in heap_no order. */ + if (UNIV_UNLIKELY(!n_dense)) { + } else if (!page_is_leaf(page)) { + /* This is a node pointer page. */ + err = page_zip_compress_node_ptrs(LOGFILE + &c_stream, recs, n_dense, + index, storage, heap); + if (UNIV_UNLIKELY(err != Z_OK)) { + goto zlib_error; + } + } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { + /* This is a leaf page in a secondary index. */ + err = page_zip_compress_sec(LOGFILE + &c_stream, recs, n_dense); + if (UNIV_UNLIKELY(err != Z_OK)) { + goto zlib_error; + } + } else { + /* This is a leaf page in a clustered index. */ + err = page_zip_compress_clust(LOGFILE + &c_stream, recs, n_dense, + index, &n_blobs, trx_id_col, + buf_end - PAGE_ZIP_DIR_SLOT_SIZE + * page_get_n_recs(page), + storage, heap); + if (UNIV_UNLIKELY(err != Z_OK)) { + goto zlib_error; + } + } + + /* Finish the compression. */ + ut_ad(!c_stream.avail_in); + /* Compress any trailing garbage, in case the last record was + allocated from an originally longer space on the free list, + or the data of the last record from page_zip_compress_sec(). */ + c_stream.avail_in + = page_header_get_field(page, PAGE_HEAP_TOP) + - (c_stream.next_in - page); + ut_a(c_stream.avail_in <= UNIV_PAGE_SIZE - PAGE_ZIP_START - PAGE_DIR); + + UNIV_MEM_ASSERT_RW(c_stream.next_in, c_stream.avail_in); + err = deflate(&c_stream, Z_FINISH); + + if (UNIV_UNLIKELY(err != Z_STREAM_END)) { +zlib_error: + deflateEnd(&c_stream); + mem_heap_free(heap); +err_exit: +#ifdef PAGE_ZIP_COMPRESS_DBG + if (logfile) { + fclose(logfile); + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP + page_zip_stat[page_zip->ssize - 1].compressed_usec + += ut_time_us(NULL) - usec; +#endif /* !UNIV_HOTBACKUP */ + return(FALSE); + } + + err = deflateEnd(&c_stream); + ut_a(err == Z_OK); + + ut_ad(buf + c_stream.total_out == c_stream.next_out); + ut_ad((ulint) (storage - c_stream.next_out) >= c_stream.avail_out); + + /* Valgrind believes that zlib does not initialize some bits + in the last 7 or 8 bytes of the stream. Make Valgrind happy. */ + UNIV_MEM_VALID(buf, c_stream.total_out); + + /* Zero out the area reserved for the modification log. + Space for the end marker of the modification log is not + included in avail_out. */ + memset(c_stream.next_out, 0, c_stream.avail_out + 1/* end marker */); + +#ifdef UNIV_DEBUG + page_zip->m_start = +#endif /* UNIV_DEBUG */ + page_zip->m_end = PAGE_DATA + c_stream.total_out; + page_zip->m_nonempty = FALSE; + page_zip->n_blobs = n_blobs; + /* Copy those header fields that will not be written + in buf_flush_init_for_writing() */ + memcpy(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, + FIL_PAGE_LSN - FIL_PAGE_PREV); + memcpy(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, 2); + memcpy(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, + PAGE_DATA - FIL_PAGE_DATA); + /* Copy the rest of the compressed page */ + memcpy(page_zip->data + PAGE_DATA, buf, + page_zip_get_size(page_zip) - PAGE_DATA); + mem_heap_free(heap); +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (mtr) { +#ifndef UNIV_HOTBACKUP + page_zip_compress_write_log(page_zip, page, index, mtr); +#endif /* !UNIV_HOTBACKUP */ + } + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + +#ifdef PAGE_ZIP_COMPRESS_DBG + if (logfile) { + /* Record the compressed size of the block. */ + byte sz[4]; + mach_write_to_4(sz, c_stream.total_out); + fseek(logfile, UNIV_PAGE_SIZE, SEEK_SET); + fwrite(sz, 1, sizeof sz, logfile); + fclose(logfile); + } +#endif /* PAGE_ZIP_COMPRESS_DBG */ +#ifndef UNIV_HOTBACKUP + { + page_zip_stat_t* zip_stat + = &page_zip_stat[page_zip->ssize - 1]; + zip_stat->compressed_ok++; + zip_stat->compressed_usec += ut_time_us(NULL) - usec; + } +#endif /* !UNIV_HOTBACKUP */ + + return(TRUE); +} + +/**********************************************************************//** +Compare two page directory entries. +@return positive if rec1 > rec2 */ +UNIV_INLINE +ibool +page_zip_dir_cmp( +/*=============*/ + const rec_t* rec1, /*!< in: rec1 */ + const rec_t* rec2) /*!< in: rec2 */ +{ + return(rec1 > rec2); +} + +/**********************************************************************//** +Sort the dense page directory by address (heap_no). */ +static +void +page_zip_dir_sort( +/*==============*/ + rec_t** arr, /*!< in/out: dense page directory */ + rec_t** aux_arr,/*!< in/out: work area */ + ulint low, /*!< in: lower bound of the sorting area, inclusive */ + ulint high) /*!< in: upper bound of the sorting area, exclusive */ +{ + UT_SORT_FUNCTION_BODY(page_zip_dir_sort, arr, aux_arr, low, high, + page_zip_dir_cmp); +} + +/**********************************************************************//** +Deallocate the index information initialized by page_zip_fields_decode(). */ +static +void +page_zip_fields_free( +/*=================*/ + dict_index_t* index) /*!< in: dummy index to be freed */ +{ + if (index) { + dict_table_t* table = index->table; + mem_heap_free(index->heap); + mutex_free(&(table->autoinc_mutex)); + mem_heap_free(table->heap); + } +} + +/**********************************************************************//** +Read the index information for the compressed page. +@return own: dummy index describing the page, or NULL on error */ +static +dict_index_t* +page_zip_fields_decode( +/*===================*/ + const byte* buf, /*!< in: index information */ + const byte* end, /*!< in: end of buf */ + ulint* trx_id_col)/*!< in: NULL for non-leaf pages; + for leaf pages, pointer to where to store + the position of the trx_id column */ +{ + const byte* b; + ulint n; + ulint i; + ulint val; + dict_table_t* table; + dict_index_t* index; + + /* Determine the number of fields. */ + for (b = buf, n = 0; b < end; n++) { + if (*b++ & 0x80) { + b++; /* skip the second byte */ + } + } + + n--; /* n_nullable or trx_id */ + + if (UNIV_UNLIKELY(n > REC_MAX_N_FIELDS)) { + + page_zip_fail(("page_zip_fields_decode: n = %lu\n", + (ulong) n)); + return(NULL); + } + + if (UNIV_UNLIKELY(b > end)) { + + page_zip_fail(("page_zip_fields_decode: %p > %p\n", + (const void*) b, (const void*) end)); + return(NULL); + } + + table = dict_mem_table_create("ZIP_DUMMY", DICT_HDR_SPACE, n, + DICT_TF_COMPACT); + index = dict_mem_index_create("ZIP_DUMMY", "ZIP_DUMMY", + DICT_HDR_SPACE, 0, n); + index->table = table; + index->n_uniq = n; + /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ + index->cached = TRUE; + + /* Initialize the fields. */ + for (b = buf, i = 0; i < n; i++) { + ulint mtype; + ulint len; + + val = *b++; + + if (UNIV_UNLIKELY(val & 0x80)) { + /* fixed length > 62 bytes */ + val = (val & 0x7f) << 8 | *b++; + len = val >> 1; + mtype = DATA_FIXBINARY; + } else if (UNIV_UNLIKELY(val >= 126)) { + /* variable length with max > 255 bytes */ + len = 0x7fff; + mtype = DATA_BINARY; + } else if (val <= 1) { + /* variable length with max <= 255 bytes */ + len = 0; + mtype = DATA_BINARY; + } else { + /* fixed length < 62 bytes */ + len = val >> 1; + mtype = DATA_FIXBINARY; + } + + dict_mem_table_add_col(table, NULL, NULL, mtype, + val & 1 ? DATA_NOT_NULL : 0, len); + dict_index_add_col(index, table, + dict_table_get_nth_col(table, i), 0); + } + + val = *b++; + if (UNIV_UNLIKELY(val & 0x80)) { + val = (val & 0x7f) << 8 | *b++; + } + + /* Decode the position of the trx_id column. */ + if (trx_id_col) { + if (!val) { + val = ULINT_UNDEFINED; + } else if (UNIV_UNLIKELY(val >= n)) { + page_zip_fields_free(index); + index = NULL; + } else { + index->type = DICT_CLUSTERED; + } + + *trx_id_col = val; + } else { + /* Decode the number of nullable fields. */ + if (UNIV_UNLIKELY(index->n_nullable > val)) { + page_zip_fields_free(index); + index = NULL; + } else { + index->n_nullable = val; + } + } + + ut_ad(b == end); + + return(index); +} + +/**********************************************************************//** +Populate the sparse page directory from the dense directory. +@return TRUE on success, FALSE on failure */ +static +ibool +page_zip_dir_decode( +/*================*/ + const page_zip_des_t* page_zip,/*!< in: dense page directory on + compressed page */ + page_t* page, /*!< in: compact page with valid header; + out: trailer and sparse page directory + filled in */ + rec_t** recs, /*!< out: dense page directory sorted by + ascending address (and heap_no) */ + rec_t** recs_aux,/*!< in/out: scratch area */ + ulint n_dense)/*!< in: number of user records, and + size of recs[] and recs_aux[] */ +{ + ulint i; + ulint n_recs; + byte* slot; + + n_recs = page_get_n_recs(page); + + if (UNIV_UNLIKELY(n_recs > n_dense)) { + page_zip_fail(("page_zip_dir_decode 1: %lu > %lu\n", + (ulong) n_recs, (ulong) n_dense)); + return(FALSE); + } + + /* Traverse the list of stored records in the sorting order, + starting from the first user record. */ + + slot = page + (UNIV_PAGE_SIZE - PAGE_DIR - PAGE_DIR_SLOT_SIZE); + UNIV_PREFETCH_RW(slot); + + /* Zero out the page trailer. */ + memset(slot + PAGE_DIR_SLOT_SIZE, 0, PAGE_DIR); + + mach_write_to_2(slot, PAGE_NEW_INFIMUM); + slot -= PAGE_DIR_SLOT_SIZE; + UNIV_PREFETCH_RW(slot); + + /* Initialize the sparse directory and copy the dense directory. */ + for (i = 0; i < n_recs; i++) { + ulint offs = page_zip_dir_get(page_zip, i); + + if (offs & PAGE_ZIP_DIR_SLOT_OWNED) { + mach_write_to_2(slot, offs & PAGE_ZIP_DIR_SLOT_MASK); + slot -= PAGE_DIR_SLOT_SIZE; + UNIV_PREFETCH_RW(slot); + } + + if (UNIV_UNLIKELY((offs & PAGE_ZIP_DIR_SLOT_MASK) + < PAGE_ZIP_START + REC_N_NEW_EXTRA_BYTES)) { + page_zip_fail(("page_zip_dir_decode 2: %u %u %lx\n", + (unsigned) i, (unsigned) n_recs, + (ulong) offs)); + return(FALSE); + } + + recs[i] = page + (offs & PAGE_ZIP_DIR_SLOT_MASK); + } + + mach_write_to_2(slot, PAGE_NEW_SUPREMUM); + { + const page_dir_slot_t* last_slot = page_dir_get_nth_slot( + page, page_dir_get_n_slots(page) - 1); + + if (UNIV_UNLIKELY(slot != last_slot)) { + page_zip_fail(("page_zip_dir_decode 3: %p != %p\n", + (const void*) slot, + (const void*) last_slot)); + return(FALSE); + } + } + + /* Copy the rest of the dense directory. */ + for (; i < n_dense; i++) { + ulint offs = page_zip_dir_get(page_zip, i); + + if (UNIV_UNLIKELY(offs & ~PAGE_ZIP_DIR_SLOT_MASK)) { + page_zip_fail(("page_zip_dir_decode 4: %u %u %lx\n", + (unsigned) i, (unsigned) n_dense, + (ulong) offs)); + return(FALSE); + } + + recs[i] = page + offs; + } + + if (UNIV_LIKELY(n_dense > 1)) { + page_zip_dir_sort(recs, recs_aux, 0, n_dense); + } + return(TRUE); +} + +/**********************************************************************//** +Initialize the REC_N_NEW_EXTRA_BYTES of each record. +@return TRUE on success, FALSE on failure */ +static +ibool +page_zip_set_extra_bytes( +/*=====================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + page_t* page, /*!< in/out: uncompressed page */ + ulint info_bits)/*!< in: REC_INFO_MIN_REC_FLAG or 0 */ +{ + ulint n; + ulint i; + ulint n_owned = 1; + ulint offs; + rec_t* rec; + + n = page_get_n_recs(page); + rec = page + PAGE_NEW_INFIMUM; + + for (i = 0; i < n; i++) { + offs = page_zip_dir_get(page_zip, i); + + if (UNIV_UNLIKELY(offs & PAGE_ZIP_DIR_SLOT_DEL)) { + info_bits |= REC_INFO_DELETED_FLAG; + } + if (UNIV_UNLIKELY(offs & PAGE_ZIP_DIR_SLOT_OWNED)) { + info_bits |= n_owned; + n_owned = 1; + } else { + n_owned++; + } + offs &= PAGE_ZIP_DIR_SLOT_MASK; + if (UNIV_UNLIKELY(offs < PAGE_ZIP_START + + REC_N_NEW_EXTRA_BYTES)) { + page_zip_fail(("page_zip_set_extra_bytes 1:" + " %u %u %lx\n", + (unsigned) i, (unsigned) n, + (ulong) offs)); + return(FALSE); + } + + rec_set_next_offs_new(rec, offs); + rec = page + offs; + rec[-REC_N_NEW_EXTRA_BYTES] = (byte) info_bits; + info_bits = 0; + } + + /* Set the next pointer of the last user record. */ + rec_set_next_offs_new(rec, PAGE_NEW_SUPREMUM); + + /* Set n_owned of the supremum record. */ + page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] = (byte) n_owned; + + /* The dense directory excludes the infimum and supremum records. */ + n = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; + + if (i >= n) { + if (UNIV_LIKELY(i == n)) { + return(TRUE); + } + + page_zip_fail(("page_zip_set_extra_bytes 2: %u != %u\n", + (unsigned) i, (unsigned) n)); + return(FALSE); + } + + offs = page_zip_dir_get(page_zip, i); + + /* Set the extra bytes of deleted records on the free list. */ + for (;;) { + if (UNIV_UNLIKELY(!offs) + || UNIV_UNLIKELY(offs & ~PAGE_ZIP_DIR_SLOT_MASK)) { + + page_zip_fail(("page_zip_set_extra_bytes 3: %lx\n", + (ulong) offs)); + return(FALSE); + } + + rec = page + offs; + rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ + + if (++i == n) { + break; + } + + offs = page_zip_dir_get(page_zip, i); + rec_set_next_offs_new(rec, offs); + } + + /* Terminate the free list. */ + rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ + rec_set_next_offs_new(rec, 0); + + return(TRUE); +} + +/**********************************************************************//** +Apply the modification log to a record containing externally stored +columns. Do not copy the fields that are stored separately. +@return pointer to modification log, or NULL on failure */ +static +const byte* +page_zip_apply_log_ext( +/*===================*/ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ + const byte* data, /*!< in: modification log */ + const byte* end) /*!< in: end of modification log */ +{ + ulint i; + ulint len; + byte* next_out = rec; + + /* Check if there are any externally stored columns. + For each externally stored column, skip the + BTR_EXTERN_FIELD_REF. */ + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + byte* dst; + + if (UNIV_UNLIKELY(i == trx_id_col)) { + /* Skip trx_id and roll_ptr */ + dst = rec_get_nth_field(rec, offsets, + i, &len); + if (UNIV_UNLIKELY(dst - next_out >= end - data) + || UNIV_UNLIKELY + (len < (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN)) + || rec_offs_nth_extern(offsets, i)) { + page_zip_fail(("page_zip_apply_log_ext:" + " trx_id len %lu," + " %p - %p >= %p - %p\n", + (ulong) len, + (const void*) dst, + (const void*) next_out, + (const void*) end, + (const void*) data)); + return(NULL); + } + + memcpy(next_out, data, dst - next_out); + data += dst - next_out; + next_out = dst + (DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN); + } else if (rec_offs_nth_extern(offsets, i)) { + dst = rec_get_nth_field(rec, offsets, + i, &len); + ut_ad(len + >= BTR_EXTERN_FIELD_REF_SIZE); + + len += dst - next_out + - BTR_EXTERN_FIELD_REF_SIZE; + + if (UNIV_UNLIKELY(data + len >= end)) { + page_zip_fail(("page_zip_apply_log_ext: " + "ext %p+%lu >= %p\n", + (const void*) data, + (ulong) len, + (const void*) end)); + return(NULL); + } + + memcpy(next_out, data, len); + data += len; + next_out += len + + BTR_EXTERN_FIELD_REF_SIZE; + } + } + + /* Copy the last bytes of the record. */ + len = rec_get_end(rec, offsets) - next_out; + if (UNIV_UNLIKELY(data + len >= end)) { + page_zip_fail(("page_zip_apply_log_ext: " + "last %p+%lu >= %p\n", + (const void*) data, + (ulong) len, + (const void*) end)); + return(NULL); + } + memcpy(next_out, data, len); + data += len; + + return(data); +} + +/**********************************************************************//** +Apply the modification log to an uncompressed page. +Do not copy the fields that are stored separately. +@return pointer to end of modification log, or NULL on failure */ +static +const byte* +page_zip_apply_log( +/*===============*/ + const byte* data, /*!< in: modification log */ + ulint size, /*!< in: maximum length of the log, in bytes */ + rec_t** recs, /*!< in: dense page directory, + sorted by address (indexed by + heap_no - PAGE_HEAP_NO_USER_LOW) */ + ulint n_dense,/*!< in: size of recs[] */ + ulint trx_id_col,/*!< in: column number of trx_id in the index, + or ULINT_UNDEFINED if none */ + ulint heap_status, + /*!< in: heap_no and status bits for + the next record to uncompress */ + dict_index_t* index, /*!< in: index of the page */ + ulint* offsets)/*!< in/out: work area for + rec_get_offsets_reverse() */ +{ + const byte* const end = data + size; + + for (;;) { + ulint val; + rec_t* rec; + ulint len; + ulint hs; + + val = *data++; + if (UNIV_UNLIKELY(!val)) { + return(data - 1); + } + if (val & 0x80) { + val = (val & 0x7f) << 8 | *data++; + if (UNIV_UNLIKELY(!val)) { + page_zip_fail(("page_zip_apply_log:" + " invalid val %x%x\n", + data[-2], data[-1])); + return(NULL); + } + } + if (UNIV_UNLIKELY(data >= end)) { + page_zip_fail(("page_zip_apply_log: %p >= %p\n", + (const void*) data, + (const void*) end)); + return(NULL); + } + if (UNIV_UNLIKELY((val >> 1) > n_dense)) { + page_zip_fail(("page_zip_apply_log: %lu>>1 > %lu\n", + (ulong) val, (ulong) n_dense)); + return(NULL); + } + + /* Determine the heap number and status bits of the record. */ + rec = recs[(val >> 1) - 1]; + + hs = ((val >> 1) + 1) << REC_HEAP_NO_SHIFT; + hs |= heap_status & ((1 << REC_HEAP_NO_SHIFT) - 1); + + /* This may either be an old record that is being + overwritten (updated in place, or allocated from + the free list), or a new record, with the next + available_heap_no. */ + if (UNIV_UNLIKELY(hs > heap_status)) { + page_zip_fail(("page_zip_apply_log: %lu > %lu\n", + (ulong) hs, (ulong) heap_status)); + return(NULL); + } else if (hs == heap_status) { + /* A new record was allocated from the heap. */ + if (UNIV_UNLIKELY(val & 1)) { + /* Only existing records may be cleared. */ + page_zip_fail(("page_zip_apply_log:" + " attempting to create" + " deleted rec %lu\n", + (ulong) hs)); + return(NULL); + } + heap_status += 1 << REC_HEAP_NO_SHIFT; + } + + mach_write_to_2(rec - REC_NEW_HEAP_NO, hs); + + if (val & 1) { + /* Clear the data bytes of the record. */ + mem_heap_t* heap = NULL; + ulint* offs; + offs = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + memset(rec, 0, rec_offs_data_size(offs)); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + continue; + } + +#if REC_STATUS_NODE_PTR != TRUE +# error "REC_STATUS_NODE_PTR != TRUE" +#endif + rec_get_offsets_reverse(data, index, + hs & REC_STATUS_NODE_PTR, + offsets); + rec_offs_make_valid(rec, index, offsets); + + /* Copy the extra bytes (backwards). */ + { + byte* start = rec_get_start(rec, offsets); + byte* b = rec - REC_N_NEW_EXTRA_BYTES; + while (b != start) { + *--b = *data++; + } + } + + /* Copy the data bytes. */ + if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { + /* Non-leaf nodes should not contain any + externally stored columns. */ + if (UNIV_UNLIKELY(hs & REC_STATUS_NODE_PTR)) { + page_zip_fail(("page_zip_apply_log: " + "%lu&REC_STATUS_NODE_PTR\n", + (ulong) hs)); + return(NULL); + } + + data = page_zip_apply_log_ext( + rec, offsets, trx_id_col, data, end); + + if (UNIV_UNLIKELY(!data)) { + return(NULL); + } + } else if (UNIV_UNLIKELY(hs & REC_STATUS_NODE_PTR)) { + len = rec_offs_data_size(offsets) + - REC_NODE_PTR_SIZE; + /* Copy the data bytes, except node_ptr. */ + if (UNIV_UNLIKELY(data + len >= end)) { + page_zip_fail(("page_zip_apply_log: " + "node_ptr %p+%lu >= %p\n", + (const void*) data, + (ulong) len, + (const void*) end)); + return(NULL); + } + memcpy(rec, data, len); + data += len; + } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { + len = rec_offs_data_size(offsets); + + /* Copy all data bytes of + a record in a secondary index. */ + if (UNIV_UNLIKELY(data + len >= end)) { + page_zip_fail(("page_zip_apply_log: " + "sec %p+%lu >= %p\n", + (const void*) data, + (ulong) len, + (const void*) end)); + return(NULL); + } + + memcpy(rec, data, len); + data += len; + } else { + /* Skip DB_TRX_ID and DB_ROLL_PTR. */ + ulint l = rec_get_nth_field_offs(offsets, + trx_id_col, &len); + byte* b; + + if (UNIV_UNLIKELY(data + l >= end) + || UNIV_UNLIKELY(len < (DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN))) { + page_zip_fail(("page_zip_apply_log: " + "trx_id %p+%lu >= %p\n", + (const void*) data, + (ulong) l, + (const void*) end)); + return(NULL); + } + + /* Copy any preceding data bytes. */ + memcpy(rec, data, l); + data += l; + + /* Copy any bytes following DB_TRX_ID, DB_ROLL_PTR. */ + b = rec + l + (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + len = rec_get_end(rec, offsets) - b; + if (UNIV_UNLIKELY(data + len >= end)) { + page_zip_fail(("page_zip_apply_log: " + "clust %p+%lu >= %p\n", + (const void*) data, + (ulong) len, + (const void*) end)); + return(NULL); + } + memcpy(b, data, len); + data += len; + } + } +} + +/**********************************************************************//** +Decompress the records of a node pointer page. +@return TRUE on success, FALSE on failure */ +static +ibool +page_zip_decompress_node_ptrs( +/*==========================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* offsets, /*!< in/out: temporary offsets */ + mem_heap_t* heap) /*!< in: temporary memory heap */ +{ + ulint heap_status = REC_STATUS_NODE_PTR + | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; + ulint slot; + const byte* storage; + + /* Subtract the space reserved for uncompressed data. */ + d_stream->avail_in -= n_dense + * (PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE); + + /* Decompress the records in heap_no order. */ + for (slot = 0; slot < n_dense; slot++) { + rec_t* rec = recs[slot]; + + d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES + - d_stream->next_out; + + ut_ad(d_stream->avail_out < UNIV_PAGE_SIZE + - PAGE_ZIP_START - PAGE_DIR); + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + /* Apparently, n_dense has grown + since the time the page was last compressed. */ + goto zlib_done; + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_node_ptrs:" + " 1 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + + ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); + /* Prepare to decompress the data bytes. */ + d_stream->next_out = rec; + /* Set heap_no and the status bits. */ + mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); + heap_status += 1 << REC_HEAP_NO_SHIFT; + + /* Read the offsets. The status bits are needed here. */ + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + /* Non-leaf nodes should not have any externally + stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + + /* Decompress the data bytes, except node_ptr. */ + d_stream->avail_out = rec_offs_data_size(offsets) + - REC_NODE_PTR_SIZE; + + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + goto zlib_done; + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_node_ptrs:" + " 2 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + + /* Clear the node pointer in case the record + will be deleted and the space will be reallocated + to a smaller record. */ + memset(d_stream->next_out, 0, REC_NODE_PTR_SIZE); + d_stream->next_out += REC_NODE_PTR_SIZE; + + ut_ad(d_stream->next_out == rec_get_end(rec, offsets)); + } + + /* Decompress any trailing garbage, in case the last record was + allocated from an originally longer space on the free list. */ + d_stream->avail_out = page_header_get_field(page_zip->data, + PAGE_HEAP_TOP) + - page_offset(d_stream->next_out); + if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE + - PAGE_ZIP_START - PAGE_DIR)) { + + page_zip_fail(("page_zip_decompress_node_ptrs:" + " avail_out = %u\n", + d_stream->avail_out)); + goto zlib_error; + } + + if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { + page_zip_fail(("page_zip_decompress_node_ptrs:" + " inflate(Z_FINISH)=%s\n", + d_stream->msg)); +zlib_error: + inflateEnd(d_stream); + return(FALSE); + } + + /* Note that d_stream->avail_out > 0 may hold here + if the modification log is nonempty. */ + +zlib_done: + if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { + ut_error; + } + + { + page_t* page = page_align(d_stream->next_out); + + /* Clear the unused heap space on the uncompressed page. */ + memset(d_stream->next_out, 0, + page_dir_get_nth_slot(page, + page_dir_get_n_slots(page) - 1) + - d_stream->next_out); + } + +#ifdef UNIV_DEBUG + page_zip->m_start = PAGE_DATA + d_stream->total_in; +#endif /* UNIV_DEBUG */ + + /* Apply the modification log. */ + { + const byte* mod_log_ptr; + mod_log_ptr = page_zip_apply_log(d_stream->next_in, + d_stream->avail_in + 1, + recs, n_dense, + ULINT_UNDEFINED, heap_status, + index, offsets); + + if (UNIV_UNLIKELY(!mod_log_ptr)) { + return(FALSE); + } + page_zip->m_end = mod_log_ptr - page_zip->data; + page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; + } + + if (UNIV_UNLIKELY + (page_zip_get_trailer_len(page_zip, + dict_index_is_clust(index), NULL) + + page_zip->m_end >= page_zip_get_size(page_zip))) { + page_zip_fail(("page_zip_decompress_node_ptrs:" + " %lu + %lu >= %lu, %lu\n", + (ulong) page_zip_get_trailer_len( + page_zip, dict_index_is_clust(index), + NULL), + (ulong) page_zip->m_end, + (ulong) page_zip_get_size(page_zip), + (ulong) dict_index_is_clust(index))); + return(FALSE); + } + + /* Restore the uncompressed columns in heap_no order. */ + storage = page_zip->data + page_zip_get_size(page_zip) + - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; + + for (slot = 0; slot < n_dense; slot++) { + rec_t* rec = recs[slot]; + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + /* Non-leaf nodes should not have any externally + stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + storage -= REC_NODE_PTR_SIZE; + + memcpy(rec_get_end(rec, offsets) - REC_NODE_PTR_SIZE, + storage, REC_NODE_PTR_SIZE); + } + + return(TRUE); +} + +/**********************************************************************//** +Decompress the records of a leaf node of a secondary index. +@return TRUE on success, FALSE on failure */ +static +ibool +page_zip_decompress_sec( +/*====================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint* offsets) /*!< in/out: temporary offsets */ +{ + ulint heap_status = REC_STATUS_ORDINARY + | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; + ulint slot; + + ut_a(!dict_index_is_clust(index)); + + /* Subtract the space reserved for uncompressed data. */ + d_stream->avail_in -= n_dense * PAGE_ZIP_DIR_SLOT_SIZE; + + for (slot = 0; slot < n_dense; slot++) { + rec_t* rec = recs[slot]; + + /* Decompress everything up to this record. */ + d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES + - d_stream->next_out; + + if (UNIV_LIKELY(d_stream->avail_out)) { + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + /* Apparently, n_dense has grown + since the time the page was last compressed. */ + goto zlib_done; + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_sec:" + " inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + } + + ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); + + /* Skip the REC_N_NEW_EXTRA_BYTES. */ + + d_stream->next_out = rec; + + /* Set heap_no and the status bits. */ + mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); + heap_status += 1 << REC_HEAP_NO_SHIFT; + } + + /* Decompress the data of the last record and any trailing garbage, + in case the last record was allocated from an originally longer space + on the free list. */ + d_stream->avail_out = page_header_get_field(page_zip->data, + PAGE_HEAP_TOP) + - page_offset(d_stream->next_out); + if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE + - PAGE_ZIP_START - PAGE_DIR)) { + + page_zip_fail(("page_zip_decompress_sec:" + " avail_out = %u\n", + d_stream->avail_out)); + goto zlib_error; + } + + if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { + page_zip_fail(("page_zip_decompress_sec:" + " inflate(Z_FINISH)=%s\n", + d_stream->msg)); +zlib_error: + inflateEnd(d_stream); + return(FALSE); + } + + /* Note that d_stream->avail_out > 0 may hold here + if the modification log is nonempty. */ + +zlib_done: + if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { + ut_error; + } + + { + page_t* page = page_align(d_stream->next_out); + + /* Clear the unused heap space on the uncompressed page. */ + memset(d_stream->next_out, 0, + page_dir_get_nth_slot(page, + page_dir_get_n_slots(page) - 1) + - d_stream->next_out); + } + +#ifdef UNIV_DEBUG + page_zip->m_start = PAGE_DATA + d_stream->total_in; +#endif /* UNIV_DEBUG */ + + /* Apply the modification log. */ + { + const byte* mod_log_ptr; + mod_log_ptr = page_zip_apply_log(d_stream->next_in, + d_stream->avail_in + 1, + recs, n_dense, + ULINT_UNDEFINED, heap_status, + index, offsets); + + if (UNIV_UNLIKELY(!mod_log_ptr)) { + return(FALSE); + } + page_zip->m_end = mod_log_ptr - page_zip->data; + page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; + } + + if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, FALSE, NULL) + + page_zip->m_end >= page_zip_get_size(page_zip))) { + + page_zip_fail(("page_zip_decompress_sec: %lu + %lu >= %lu\n", + (ulong) page_zip_get_trailer_len( + page_zip, FALSE, NULL), + (ulong) page_zip->m_end, + (ulong) page_zip_get_size(page_zip))); + return(FALSE); + } + + /* There are no uncompressed columns on leaf pages of + secondary indexes. */ + + return(TRUE); +} + +/**********************************************************************//** +Decompress a record of a leaf node of a clustered index that contains +externally stored columns. +@return TRUE on success */ +static +ibool +page_zip_decompress_clust_ext( +/*==========================*/ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t* rec, /*!< in/out: record */ + const ulint* offsets, /*!< in: rec_get_offsets(rec) */ + ulint trx_id_col) /*!< in: position of of DB_TRX_ID */ +{ + ulint i; + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + ulint len; + byte* dst; + + if (UNIV_UNLIKELY(i == trx_id_col)) { + /* Skip trx_id and roll_ptr */ + dst = rec_get_nth_field(rec, offsets, i, &len); + if (UNIV_UNLIKELY(len < DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN)) { + + page_zip_fail(("page_zip_decompress_clust_ext:" + " len[%lu] = %lu\n", + (ulong) i, (ulong) len)); + return(FALSE); + } + + if (rec_offs_nth_extern(offsets, i)) { + + page_zip_fail(("page_zip_decompress_clust_ext:" + " DB_TRX_ID at %lu is ext\n", + (ulong) i)); + return(FALSE); + } + + d_stream->avail_out = dst - d_stream->next_out; + + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_clust_ext:" + " 1 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + return(FALSE); + } + + ut_ad(d_stream->next_out == dst); + + /* Clear DB_TRX_ID and DB_ROLL_PTR in order to + avoid uninitialized bytes in case the record + is affected by page_zip_apply_log(). */ + memset(dst, 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + d_stream->next_out += DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN; + } else if (rec_offs_nth_extern(offsets, i)) { + dst = rec_get_nth_field(rec, offsets, i, &len); + ut_ad(len >= BTR_EXTERN_FIELD_REF_SIZE); + dst += len - BTR_EXTERN_FIELD_REF_SIZE; + + d_stream->avail_out = dst - d_stream->next_out; + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_clust_ext:" + " 2 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + return(FALSE); + } + + ut_ad(d_stream->next_out == dst); + + /* Clear the BLOB pointer in case + the record will be deleted and the + space will not be reused. Note that + the final initialization of the BLOB + pointers (copying from "externs" + or clearing) will have to take place + only after the page modification log + has been applied. Otherwise, we + could end up with an uninitialized + BLOB pointer when a record is deleted, + reallocated and deleted. */ + memset(d_stream->next_out, 0, + BTR_EXTERN_FIELD_REF_SIZE); + d_stream->next_out + += BTR_EXTERN_FIELD_REF_SIZE; + } + } + + return(TRUE); +} + +/**********************************************************************//** +Compress the records of a leaf node of a clustered index. +@return TRUE on success, FALSE on failure */ +static +ibool +page_zip_decompress_clust( +/*======================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + z_stream* d_stream, /*!< in/out: compressed page stream */ + rec_t** recs, /*!< in: dense page directory + sorted by address */ + ulint n_dense, /*!< in: size of recs[] */ + dict_index_t* index, /*!< in: the index of the page */ + ulint trx_id_col, /*!< index of the trx_id column */ + ulint* offsets, /*!< in/out: temporary offsets */ + mem_heap_t* heap) /*!< in: temporary memory heap */ +{ + int err; + ulint slot; + ulint heap_status = REC_STATUS_ORDINARY + | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; + const byte* storage; + const byte* externs; + + ut_a(dict_index_is_clust(index)); + + /* Subtract the space reserved for uncompressed data. */ + d_stream->avail_in -= n_dense * (PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN); + + /* Decompress the records in heap_no order. */ + for (slot = 0; slot < n_dense; slot++) { + rec_t* rec = recs[slot]; + + d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES + - d_stream->next_out; + + ut_ad(d_stream->avail_out < UNIV_PAGE_SIZE + - PAGE_ZIP_START - PAGE_DIR); + err = inflate(d_stream, Z_SYNC_FLUSH); + switch (err) { + case Z_STREAM_END: + /* Apparently, n_dense has grown + since the time the page was last compressed. */ + goto zlib_done; + case Z_OK: + case Z_BUF_ERROR: + if (UNIV_LIKELY(!d_stream->avail_out)) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_clust:" + " 1 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + + ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); + /* Prepare to decompress the data bytes. */ + d_stream->next_out = rec; + /* Set heap_no and the status bits. */ + mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); + heap_status += 1 << REC_HEAP_NO_SHIFT; + + /* Read the offsets. The status bits are needed here. */ + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + /* This is a leaf page in a clustered index. */ + + /* Check if there are any externally stored columns. + For each externally stored column, restore the + BTR_EXTERN_FIELD_REF separately. */ + + if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { + if (UNIV_UNLIKELY + (!page_zip_decompress_clust_ext( + d_stream, rec, offsets, trx_id_col))) { + + goto zlib_error; + } + } else { + /* Skip trx_id and roll_ptr */ + ulint len; + byte* dst = rec_get_nth_field(rec, offsets, + trx_id_col, &len); + if (UNIV_UNLIKELY(len < DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN)) { + + page_zip_fail(("page_zip_decompress_clust:" + " len = %lu\n", (ulong) len)); + goto zlib_error; + } + + d_stream->avail_out = dst - d_stream->next_out; + + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_clust:" + " 2 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + + ut_ad(d_stream->next_out == dst); + + /* Clear DB_TRX_ID and DB_ROLL_PTR in order to + avoid uninitialized bytes in case the record + is affected by page_zip_apply_log(). */ + memset(dst, 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + d_stream->next_out += DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN; + } + + /* Decompress the last bytes of the record. */ + d_stream->avail_out = rec_get_end(rec, offsets) + - d_stream->next_out; + + switch (inflate(d_stream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + case Z_OK: + case Z_BUF_ERROR: + if (!d_stream->avail_out) { + break; + } + /* fall through */ + default: + page_zip_fail(("page_zip_decompress_clust:" + " 3 inflate(Z_SYNC_FLUSH)=%s\n", + d_stream->msg)); + goto zlib_error; + } + } + + /* Decompress any trailing garbage, in case the last record was + allocated from an originally longer space on the free list. */ + d_stream->avail_out = page_header_get_field(page_zip->data, + PAGE_HEAP_TOP) + - page_offset(d_stream->next_out); + if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE + - PAGE_ZIP_START - PAGE_DIR)) { + + page_zip_fail(("page_zip_decompress_clust:" + " avail_out = %u\n", + d_stream->avail_out)); + goto zlib_error; + } + + if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { + page_zip_fail(("page_zip_decompress_clust:" + " inflate(Z_FINISH)=%s\n", + d_stream->msg)); +zlib_error: + inflateEnd(d_stream); + return(FALSE); + } + + /* Note that d_stream->avail_out > 0 may hold here + if the modification log is nonempty. */ + +zlib_done: + if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { + ut_error; + } + + { + page_t* page = page_align(d_stream->next_out); + + /* Clear the unused heap space on the uncompressed page. */ + memset(d_stream->next_out, 0, + page_dir_get_nth_slot(page, + page_dir_get_n_slots(page) - 1) + - d_stream->next_out); + } + +#ifdef UNIV_DEBUG + page_zip->m_start = PAGE_DATA + d_stream->total_in; +#endif /* UNIV_DEBUG */ + + /* Apply the modification log. */ + { + const byte* mod_log_ptr; + mod_log_ptr = page_zip_apply_log(d_stream->next_in, + d_stream->avail_in + 1, + recs, n_dense, + trx_id_col, heap_status, + index, offsets); + + if (UNIV_UNLIKELY(!mod_log_ptr)) { + return(FALSE); + } + page_zip->m_end = mod_log_ptr - page_zip->data; + page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; + } + + if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, TRUE, NULL) + + page_zip->m_end >= page_zip_get_size(page_zip))) { + + page_zip_fail(("page_zip_decompress_clust: %lu + %lu >= %lu\n", + (ulong) page_zip_get_trailer_len( + page_zip, TRUE, NULL), + (ulong) page_zip->m_end, + (ulong) page_zip_get_size(page_zip))); + return(FALSE); + } + + storage = page_zip->data + page_zip_get_size(page_zip) + - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; + + externs = storage - n_dense + * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + /* Restore the uncompressed columns in heap_no order. */ + + for (slot = 0; slot < n_dense; slot++) { + ulint i; + ulint len; + byte* dst; + rec_t* rec = recs[slot]; + ibool exists = !page_zip_dir_find_free( + page_zip, page_offset(rec)); + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + dst = rec_get_nth_field(rec, offsets, + trx_id_col, &len); + ut_ad(len >= DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + storage -= DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + memcpy(dst, storage, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + /* Check if there are any externally stored + columns in this record. For each externally + stored column, restore or clear the + BTR_EXTERN_FIELD_REF. */ + if (!rec_offs_any_extern(offsets)) { + continue; + } + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + if (!rec_offs_nth_extern(offsets, i)) { + continue; + } + dst = rec_get_nth_field(rec, offsets, i, &len); + + if (UNIV_UNLIKELY(len < BTR_EXTERN_FIELD_REF_SIZE)) { + page_zip_fail(("page_zip_decompress_clust:" + " %lu < 20\n", + (ulong) len)); + return(FALSE); + } + + dst += len - BTR_EXTERN_FIELD_REF_SIZE; + + if (UNIV_LIKELY(exists)) { + /* Existing record: + restore the BLOB pointer */ + externs -= BTR_EXTERN_FIELD_REF_SIZE; + + if (UNIV_UNLIKELY + (externs < page_zip->data + + page_zip->m_end)) { + page_zip_fail(("page_zip_" + "decompress_clust: " + "%p < %p + %lu\n", + (const void*) externs, + (const void*) + page_zip->data, + (ulong) + page_zip->m_end)); + return(FALSE); + } + + memcpy(dst, externs, + BTR_EXTERN_FIELD_REF_SIZE); + + page_zip->n_blobs++; + } else { + /* Deleted record: + clear the BLOB pointer */ + memset(dst, 0, + BTR_EXTERN_FIELD_REF_SIZE); + } + } + } + + return(TRUE); +} + +/**********************************************************************//** +Decompress a page. This function should tolerate errors on the compressed +page. Instead of letting assertions fail, it will return FALSE if an +inconsistency is detected. +@return TRUE on success, FALSE on failure */ +UNIV_INTERN +ibool +page_zip_decompress( +/*================*/ + page_zip_des_t* page_zip,/*!< in: data, ssize; + out: m_start, m_end, m_nonempty, n_blobs */ + page_t* page, /*!< out: uncompressed page, may be trashed */ + ibool all) /*!< in: TRUE=decompress the whole page; + FALSE=verify but do not copy some + page header fields that should not change + after page creation */ +{ + z_stream d_stream; + dict_index_t* index = NULL; + rec_t** recs; /*!< dense page directory, sorted by address */ + ulint n_dense;/* number of user records on the page */ + ulint trx_id_col = ULINT_UNDEFINED; + mem_heap_t* heap; + ulint* offsets; +#ifndef UNIV_HOTBACKUP + ullint usec = ut_time_us(NULL); +#endif /* !UNIV_HOTBACKUP */ + + ut_ad(page_zip_simple_validate(page_zip)); + UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + /* The dense directory excludes the infimum and supremum records. */ + n_dense = page_dir_get_n_heap(page_zip->data) - PAGE_HEAP_NO_USER_LOW; + if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE + >= page_zip_get_size(page_zip))) { + page_zip_fail(("page_zip_decompress 1: %lu %lu\n", + (ulong) n_dense, + (ulong) page_zip_get_size(page_zip))); + return(FALSE); + } + + heap = mem_heap_create(n_dense * (3 * sizeof *recs) + UNIV_PAGE_SIZE); + recs = mem_heap_alloc(heap, n_dense * (2 * sizeof *recs)); + + if (all) { + /* Copy the page header. */ + memcpy(page, page_zip->data, PAGE_DATA); + } else { + /* Check that the bytes that we skip are identical. */ +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(FIL_PAGE_TYPE + page, + FIL_PAGE_TYPE + page_zip->data, + PAGE_HEADER - FIL_PAGE_TYPE)); + ut_a(!memcmp(PAGE_HEADER + PAGE_LEVEL + page, + PAGE_HEADER + PAGE_LEVEL + page_zip->data, + PAGE_DATA - (PAGE_HEADER + PAGE_LEVEL))); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + + /* Copy the mutable parts of the page header. */ + memcpy(page, page_zip->data, FIL_PAGE_TYPE); + memcpy(PAGE_HEADER + page, PAGE_HEADER + page_zip->data, + PAGE_LEVEL - PAGE_N_DIR_SLOTS); + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + /* Check that the page headers match after copying. */ + ut_a(!memcmp(page, page_zip->data, PAGE_DATA)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ + } + +#ifdef UNIV_ZIP_DEBUG + /* Clear the uncompressed page, except the header. */ + memset(PAGE_DATA + page, 0x55, UNIV_PAGE_SIZE - PAGE_DATA); +#endif /* UNIV_ZIP_DEBUG */ + UNIV_MEM_INVALID(PAGE_DATA + page, UNIV_PAGE_SIZE - PAGE_DATA); + + /* Copy the page directory. */ + if (UNIV_UNLIKELY(!page_zip_dir_decode(page_zip, page, recs, + recs + n_dense, n_dense))) { +zlib_error: + mem_heap_free(heap); + return(FALSE); + } + + /* Copy the infimum and supremum records. */ + memcpy(page + (PAGE_NEW_INFIMUM - REC_N_NEW_EXTRA_BYTES), + infimum_extra, sizeof infimum_extra); + if (UNIV_UNLIKELY(!page_get_n_recs(page))) { + rec_set_next_offs_new(page + PAGE_NEW_INFIMUM, + PAGE_NEW_SUPREMUM); + } else { + rec_set_next_offs_new(page + PAGE_NEW_INFIMUM, + page_zip_dir_get(page_zip, 0) + & PAGE_ZIP_DIR_SLOT_MASK); + } + memcpy(page + PAGE_NEW_INFIMUM, infimum_data, sizeof infimum_data); + memcpy(page + (PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES + 1), + supremum_extra_data, sizeof supremum_extra_data); + + page_zip_set_alloc(&d_stream, heap); + + if (UNIV_UNLIKELY(inflateInit2(&d_stream, UNIV_PAGE_SIZE_SHIFT) + != Z_OK)) { + ut_error; + } + + d_stream.next_in = page_zip->data + PAGE_DATA; + /* Subtract the space reserved for + the page header and the end marker of the modification log. */ + d_stream.avail_in = page_zip_get_size(page_zip) - (PAGE_DATA + 1); + + d_stream.next_out = page + PAGE_ZIP_START; + d_stream.avail_out = UNIV_PAGE_SIZE - PAGE_ZIP_START; + + /* Decode the zlib header and the index information. */ + if (UNIV_UNLIKELY(inflate(&d_stream, Z_BLOCK) != Z_OK)) { + + page_zip_fail(("page_zip_decompress:" + " 1 inflate(Z_BLOCK)=%s\n", d_stream.msg)); + goto zlib_error; + } + + if (UNIV_UNLIKELY(inflate(&d_stream, Z_BLOCK) != Z_OK)) { + + page_zip_fail(("page_zip_decompress:" + " 2 inflate(Z_BLOCK)=%s\n", d_stream.msg)); + goto zlib_error; + } + + index = page_zip_fields_decode( + page + PAGE_ZIP_START, d_stream.next_out, + page_is_leaf(page) ? &trx_id_col : NULL); + + if (UNIV_UNLIKELY(!index)) { + + goto zlib_error; + } + + /* Decompress the user records. */ + page_zip->n_blobs = 0; + d_stream.next_out = page + PAGE_ZIP_START; + + { + /* Pre-allocate the offsets for rec_get_offsets_reverse(). */ + ulint n = 1 + 1/* node ptr */ + REC_OFFS_HEADER_SIZE + + dict_index_get_n_fields(index); + offsets = mem_heap_alloc(heap, n * sizeof(ulint)); + *offsets = n; + } + + /* Decompress the records in heap_no order. */ + if (!page_is_leaf(page)) { + /* This is a node pointer page. */ + ulint info_bits; + + if (UNIV_UNLIKELY + (!page_zip_decompress_node_ptrs(page_zip, &d_stream, + recs, n_dense, index, + offsets, heap))) { + goto err_exit; + } + + info_bits = mach_read_from_4(page + FIL_PAGE_PREV) == FIL_NULL + ? REC_INFO_MIN_REC_FLAG : 0; + + if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, page, + info_bits))) { + goto err_exit; + } + } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { + /* This is a leaf page in a secondary index. */ + if (UNIV_UNLIKELY(!page_zip_decompress_sec(page_zip, &d_stream, + recs, n_dense, + index, offsets))) { + goto err_exit; + } + + if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, + page, 0))) { +err_exit: + page_zip_fields_free(index); + mem_heap_free(heap); + return(FALSE); + } + } else { + /* This is a leaf page in a clustered index. */ + if (UNIV_UNLIKELY(!page_zip_decompress_clust(page_zip, + &d_stream, recs, + n_dense, index, + trx_id_col, + offsets, heap))) { + goto err_exit; + } + + if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, + page, 0))) { + goto err_exit; + } + } + + ut_a(page_is_comp(page)); + UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); + + page_zip_fields_free(index); + mem_heap_free(heap); +#ifndef UNIV_HOTBACKUP + { + page_zip_stat_t* zip_stat + = &page_zip_stat[page_zip->ssize - 1]; + zip_stat->decompressed++; + zip_stat->decompressed_usec += ut_time_us(NULL) - usec; + } +#endif /* !UNIV_HOTBACKUP */ + + /* Update the stat counter for LRU policy. */ + buf_LRU_stat_inc_unzip(); + + return(TRUE); +} + +#ifdef UNIV_ZIP_DEBUG +/**********************************************************************//** +Dump a block of memory on the standard error stream. */ +static +void +page_zip_hexdump_func( +/*==================*/ + const char* name, /*!< in: name of the data structure */ + const void* buf, /*!< in: data */ + ulint size) /*!< in: length of the data, in bytes */ +{ + const byte* s = buf; + ulint addr; + const ulint width = 32; /* bytes per line */ + + fprintf(stderr, "%s:\n", name); + + for (addr = 0; addr < size; addr += width) { + ulint i; + + fprintf(stderr, "%04lx ", (ulong) addr); + + i = ut_min(width, size - addr); + + while (i--) { + fprintf(stderr, "%02x", *s++); + } + + putc('\n', stderr); + } +} + +/** Dump a block of memory on the standard error stream. +@param buf in: data +@param size in: length of the data, in bytes */ +#define page_zip_hexdump(buf, size) page_zip_hexdump_func(#buf, buf, size) + +/** Flag: make page_zip_validate() compare page headers only */ +UNIV_INTERN ibool page_zip_validate_header_only = FALSE; + +/**********************************************************************//** +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ +UNIV_INTERN +ibool +page_zip_validate_low( +/*==================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page, /*!< in: uncompressed page */ + ibool sloppy) /*!< in: FALSE=strict, + TRUE=ignore the MIN_REC_FLAG */ +{ + page_zip_des_t temp_page_zip; + byte* temp_page_buf; + page_t* temp_page; + ibool valid; + + if (memcmp(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, + FIL_PAGE_LSN - FIL_PAGE_PREV) + || memcmp(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, 2) + || memcmp(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, + PAGE_DATA - FIL_PAGE_DATA)) { + page_zip_fail(("page_zip_validate: page header\n")); + page_zip_hexdump(page_zip, sizeof *page_zip); + page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); + page_zip_hexdump(page, UNIV_PAGE_SIZE); + return(FALSE); + } + + ut_a(page_is_comp(page)); + + if (page_zip_validate_header_only) { + return(TRUE); + } + + /* page_zip_decompress() expects the uncompressed page to be + UNIV_PAGE_SIZE aligned. */ + temp_page_buf = ut_malloc(2 * UNIV_PAGE_SIZE); + temp_page = ut_align(temp_page_buf, UNIV_PAGE_SIZE); + +#ifdef UNIV_DEBUG_VALGRIND + /* Get detailed information on the valid bits in case the + UNIV_MEM_ASSERT_RW() checks fail. The v-bits of page[], + page_zip->data[] or page_zip could be viewed at temp_page[] or + temp_page_zip in a debugger when running valgrind --db-attach. */ + VALGRIND_GET_VBITS(page, temp_page, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); + VALGRIND_GET_VBITS(page_zip, &temp_page_zip, sizeof temp_page_zip); + UNIV_MEM_ASSERT_RW(page_zip, sizeof *page_zip); + VALGRIND_GET_VBITS(page_zip->data, temp_page, + page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); +#endif /* UNIV_DEBUG_VALGRIND */ + + temp_page_zip = *page_zip; + valid = page_zip_decompress(&temp_page_zip, temp_page, TRUE); + if (!valid) { + fputs("page_zip_validate(): failed to decompress\n", stderr); + goto func_exit; + } + if (page_zip->n_blobs != temp_page_zip.n_blobs) { + page_zip_fail(("page_zip_validate: n_blobs: %u!=%u\n", + page_zip->n_blobs, temp_page_zip.n_blobs)); + valid = FALSE; + } +#ifdef UNIV_DEBUG + if (page_zip->m_start != temp_page_zip.m_start) { + page_zip_fail(("page_zip_validate: m_start: %u!=%u\n", + page_zip->m_start, temp_page_zip.m_start)); + valid = FALSE; + } +#endif /* UNIV_DEBUG */ + if (page_zip->m_end != temp_page_zip.m_end) { + page_zip_fail(("page_zip_validate: m_end: %u!=%u\n", + page_zip->m_end, temp_page_zip.m_end)); + valid = FALSE; + } + if (page_zip->m_nonempty != temp_page_zip.m_nonempty) { + page_zip_fail(("page_zip_validate(): m_nonempty: %u!=%u\n", + page_zip->m_nonempty, + temp_page_zip.m_nonempty)); + valid = FALSE; + } + if (memcmp(page + PAGE_HEADER, temp_page + PAGE_HEADER, + UNIV_PAGE_SIZE - PAGE_HEADER - FIL_PAGE_DATA_END)) { + + /* In crash recovery, the "minimum record" flag may be + set incorrectly until the mini-transaction is + committed. Let us tolerate that difference when we + are performing a sloppy validation. */ + + if (sloppy) { + byte info_bits_diff; + ulint offset + = rec_get_next_offs(page + PAGE_NEW_INFIMUM, + TRUE); + ut_a(offset >= PAGE_NEW_SUPREMUM); + offset -= 5 /* REC_NEW_INFO_BITS */; + + info_bits_diff = page[offset] ^ temp_page[offset]; + + if (info_bits_diff == REC_INFO_MIN_REC_FLAG) { + temp_page[offset] = page[offset]; + + if (!memcmp(page + PAGE_HEADER, + temp_page + PAGE_HEADER, + UNIV_PAGE_SIZE - PAGE_HEADER + - FIL_PAGE_DATA_END)) { + + /* Only the minimum record flag + differed. Let us ignore it. */ + page_zip_fail(("page_zip_validate: " + "min_rec_flag " + "(ignored, " + "%lu,%lu,0x%02lx)\n", + page_get_space_id(page), + page_get_page_no(page), + (ulong) page[offset])); + goto func_exit; + } + } + } + page_zip_fail(("page_zip_validate: content\n")); + valid = FALSE; + } + +func_exit: + if (!valid) { + page_zip_hexdump(page_zip, sizeof *page_zip); + page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); + page_zip_hexdump(page, UNIV_PAGE_SIZE); + page_zip_hexdump(temp_page, UNIV_PAGE_SIZE); + } + ut_free(temp_page_buf); + return(valid); +} + +/**********************************************************************//** +Check that the compressed and decompressed pages match. +@return TRUE if valid, FALSE if not */ +UNIV_INTERN +ibool +page_zip_validate( +/*==============*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const page_t* page) /*!< in: uncompressed page */ +{ + return(page_zip_validate_low(page_zip, page, + recv_recovery_is_on())); +} +#endif /* UNIV_ZIP_DEBUG */ + +#ifdef UNIV_DEBUG +/**********************************************************************//** +Assert that the compressed and decompressed page headers match. +@return TRUE */ +static +ibool +page_zip_header_cmp( +/*================*/ + const page_zip_des_t* page_zip,/*!< in: compressed page */ + const byte* page) /*!< in: uncompressed page */ +{ + ut_ad(!memcmp(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, + FIL_PAGE_LSN - FIL_PAGE_PREV)); + ut_ad(!memcmp(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, + 2)); + ut_ad(!memcmp(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, + PAGE_DATA - FIL_PAGE_DATA)); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +/**********************************************************************//** +Write a record on the compressed page that contains externally stored +columns. The data must already have been written to the uncompressed page. +@return end of modification log */ +static +byte* +page_zip_write_rec_ext( +/*===================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + const page_t* page, /*!< in: page containing rec */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: record descriptor */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + ulint create, /*!< in: nonzero=insert, zero=update */ + ulint trx_id_col, /*!< in: position of DB_TRX_ID */ + ulint heap_no, /*!< in: heap number of rec */ + byte* storage, /*!< in: end of dense page directory */ + byte* data) /*!< in: end of modification log */ +{ + const byte* start = rec; + ulint i; + ulint len; + byte* externs = storage; + ulint n_ext = rec_offs_n_extern(offsets); + + ut_ad(rec_offs_validate(rec, index, offsets)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + externs -= (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + * (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW); + + /* Note that this will not take into account + the BLOB columns of rec if create==TRUE. */ + ut_ad(data + rec_offs_data_size(offsets) + - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + - n_ext * BTR_EXTERN_FIELD_REF_SIZE + < externs - BTR_EXTERN_FIELD_REF_SIZE * page_zip->n_blobs); + + { + ulint blob_no = page_zip_get_n_prev_extern( + page_zip, rec, index); + byte* ext_end = externs - page_zip->n_blobs + * BTR_EXTERN_FIELD_REF_SIZE; + ut_ad(blob_no <= page_zip->n_blobs); + externs -= blob_no * BTR_EXTERN_FIELD_REF_SIZE; + + if (create) { + page_zip->n_blobs += n_ext; + ASSERT_ZERO_BLOB(ext_end - n_ext + * BTR_EXTERN_FIELD_REF_SIZE); + memmove(ext_end - n_ext + * BTR_EXTERN_FIELD_REF_SIZE, + ext_end, + externs - ext_end); + } + + ut_a(blob_no + n_ext <= page_zip->n_blobs); + } + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + const byte* src; + + if (UNIV_UNLIKELY(i == trx_id_col)) { + ut_ad(!rec_offs_nth_extern(offsets, + i)); + ut_ad(!rec_offs_nth_extern(offsets, + i + 1)); + /* Locate trx_id and roll_ptr. */ + src = rec_get_nth_field(rec, offsets, + i, &len); + ut_ad(len == DATA_TRX_ID_LEN); + ut_ad(src + DATA_TRX_ID_LEN + == rec_get_nth_field( + rec, offsets, + i + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + + /* Log the preceding fields. */ + ASSERT_ZERO(data, src - start); + memcpy(data, start, src - start); + data += src - start; + start = src + (DATA_TRX_ID_LEN + + DATA_ROLL_PTR_LEN); + + /* Store trx_id and roll_ptr. */ + memcpy(storage - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + * (heap_no - 1), + src, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + i++; /* skip also roll_ptr */ + } else if (rec_offs_nth_extern(offsets, i)) { + src = rec_get_nth_field(rec, offsets, + i, &len); + + ut_ad(dict_index_is_clust(index)); + ut_ad(len + >= BTR_EXTERN_FIELD_REF_SIZE); + src += len - BTR_EXTERN_FIELD_REF_SIZE; + + ASSERT_ZERO(data, src - start); + memcpy(data, start, src - start); + data += src - start; + start = src + BTR_EXTERN_FIELD_REF_SIZE; + + /* Store the BLOB pointer. */ + externs -= BTR_EXTERN_FIELD_REF_SIZE; + ut_ad(data < externs); + memcpy(externs, src, BTR_EXTERN_FIELD_REF_SIZE); + } + } + + /* Log the last bytes of the record. */ + len = rec_offs_data_size(offsets) - (start - rec); + + ASSERT_ZERO(data, len); + memcpy(data, start, len); + data += len; + + return(data); +} + +/**********************************************************************//** +Write an entire record on the compressed page. The data must already +have been written to the uncompressed page. */ +UNIV_INTERN +void +page_zip_write_rec( +/*===============*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record being written */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint create) /*!< in: nonzero=insert, zero=update */ +{ + const page_t* page; + byte* data; + byte* storage; + ulint heap_no; + byte* slot; + + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(page_zip_get_size(page_zip) + > PAGE_DATA + page_zip_dir_size(page_zip)); + ut_ad(rec_offs_comp(offsets)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + ut_ad(page_zip->m_start >= PAGE_DATA); + + page = page_align(rec); + + ut_ad(page_zip_header_cmp(page_zip, page)); + ut_ad(page_simple_validate_new((page_t*) page)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + slot = page_zip_dir_find(page_zip, page_offset(rec)); + ut_a(slot); + /* Copy the delete mark. */ + if (rec_get_deleted_flag(rec, TRUE)) { + *slot |= PAGE_ZIP_DIR_SLOT_DEL >> 8; + } else { + *slot &= ~(PAGE_ZIP_DIR_SLOT_DEL >> 8); + } + + ut_ad(rec_get_start((rec_t*) rec, offsets) >= page + PAGE_ZIP_START); + ut_ad(rec_get_end((rec_t*) rec, offsets) <= page + UNIV_PAGE_SIZE + - PAGE_DIR - PAGE_DIR_SLOT_SIZE + * page_dir_get_n_slots(page)); + + heap_no = rec_get_heap_no_new(rec); + ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); /* not infimum or supremum */ + ut_ad(heap_no < page_dir_get_n_heap(page)); + + /* Append to the modification log. */ + data = page_zip->data + page_zip->m_end; + ut_ad(!*data); + + /* Identify the record by writing its heap number - 1. + 0 is reserved to indicate the end of the modification log. */ + + if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { + *data++ = (byte) (0x80 | (heap_no - 1) >> 7); + ut_ad(!*data); + } + *data++ = (byte) ((heap_no - 1) << 1); + ut_ad(!*data); + + { + const byte* start = rec - rec_offs_extra_size(offsets); + const byte* b = rec - REC_N_NEW_EXTRA_BYTES; + + /* Write the extra bytes backwards, so that + rec_offs_extra_size() can be easily computed in + page_zip_apply_log() by invoking + rec_get_offsets_reverse(). */ + + while (b != start) { + *data++ = *--b; + ut_ad(!*data); + } + } + + /* Write the data bytes. Store the uncompressed bytes separately. */ + storage = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE; + + if (page_is_leaf(page)) { + ulint len; + + if (dict_index_is_clust(index)) { + ulint trx_id_col; + + trx_id_col = dict_index_get_sys_col_pos(index, + DATA_TRX_ID); + ut_ad(trx_id_col != ULINT_UNDEFINED); + + /* Store separately trx_id, roll_ptr and + the BTR_EXTERN_FIELD_REF of each BLOB column. */ + if (rec_offs_any_extern(offsets)) { + data = page_zip_write_rec_ext( + page_zip, page, + rec, index, offsets, create, + trx_id_col, heap_no, storage, data); + } else { + /* Locate trx_id and roll_ptr. */ + const byte* src + = rec_get_nth_field(rec, offsets, + trx_id_col, &len); + ut_ad(len == DATA_TRX_ID_LEN); + ut_ad(src + DATA_TRX_ID_LEN + == rec_get_nth_field( + rec, offsets, + trx_id_col + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); + + /* Log the preceding fields. */ + ASSERT_ZERO(data, src - rec); + memcpy(data, rec, src - rec); + data += src - rec; + + /* Store trx_id and roll_ptr. */ + memcpy(storage + - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) + * (heap_no - 1), + src, + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + src += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; + + /* Log the last bytes of the record. */ + len = rec_offs_data_size(offsets) + - (src - rec); + + ASSERT_ZERO(data, len); + memcpy(data, src, len); + data += len; + } + } else { + /* Leaf page of a secondary index: + no externally stored columns */ + ut_ad(dict_index_get_sys_col_pos(index, DATA_TRX_ID) + == ULINT_UNDEFINED); + ut_ad(!rec_offs_any_extern(offsets)); + + /* Log the entire record. */ + len = rec_offs_data_size(offsets); + + ASSERT_ZERO(data, len); + memcpy(data, rec, len); + data += len; + } + } else { + /* This is a node pointer page. */ + ulint len; + + /* Non-leaf nodes should not have any externally + stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + + /* Copy the data bytes, except node_ptr. */ + len = rec_offs_data_size(offsets) - REC_NODE_PTR_SIZE; + ut_ad(data + len < storage - REC_NODE_PTR_SIZE + * (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW)); + ASSERT_ZERO(data, len); + memcpy(data, rec, len); + data += len; + + /* Copy the node pointer to the uncompressed area. */ + memcpy(storage - REC_NODE_PTR_SIZE + * (heap_no - 1), + rec + len, + REC_NODE_PTR_SIZE); + } + + ut_a(!*data); + ut_ad((ulint) (data - page_zip->data) < page_zip_get_size(page_zip)); + page_zip->m_end = data - page_zip->data; + page_zip->m_nonempty = TRUE; + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page_align(rec))); +#endif /* UNIV_ZIP_DEBUG */ +} + +/***********************************************************//** +Parses a log record of writing a BLOB pointer of a record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_blob_ptr( +/*==========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ +{ + ulint offset; + ulint z_offset; + + ut_ad(!page == !page_zip); + + if (UNIV_UNLIKELY + (end_ptr < ptr + (2 + 2 + BTR_EXTERN_FIELD_REF_SIZE))) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + z_offset = mach_read_from_2(ptr + 2); + + if (UNIV_UNLIKELY(offset < PAGE_ZIP_START) + || UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) + || UNIV_UNLIKELY(z_offset >= UNIV_PAGE_SIZE)) { +corrupt: + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (page) { + if (UNIV_UNLIKELY(!page_zip) + || UNIV_UNLIKELY(!page_is_leaf(page))) { + + goto corrupt; + } + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + memcpy(page + offset, + ptr + 4, BTR_EXTERN_FIELD_REF_SIZE); + memcpy(page_zip->data + z_offset, + ptr + 4, BTR_EXTERN_FIELD_REF_SIZE); + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + } + + return(ptr + (2 + 2 + BTR_EXTERN_FIELD_REF_SIZE)); +} + +/**********************************************************************//** +Write a BLOB pointer of a record on the leaf page of a clustered index. +The information must already have been updated on the uncompressed page. */ +UNIV_INTERN +void +page_zip_write_blob_ptr( +/*====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in/out: record whose data is being + written */ + dict_index_t* index, /*!< in: index of the page */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint n, /*!< in: column index */ + mtr_t* mtr) /*!< in: mini-transaction handle, + or NULL if no logging is needed */ +{ + const byte* field; + byte* externs; + const page_t* page = page_align(rec); + ulint blob_no; + ulint len; + + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); + ut_ad(page_simple_validate_new((page_t*) page)); + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(page_zip_get_size(page_zip) + > PAGE_DATA + page_zip_dir_size(page_zip)); + ut_ad(rec_offs_comp(offsets)); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(rec_offs_any_extern(offsets)); + ut_ad(rec_offs_nth_extern(offsets, n)); + + ut_ad(page_zip->m_start >= PAGE_DATA); + ut_ad(page_zip_header_cmp(page_zip, page)); + + ut_ad(page_is_leaf(page)); + ut_ad(dict_index_is_clust(index)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + blob_no = page_zip_get_n_prev_extern(page_zip, rec, index) + + rec_get_n_extern_new(rec, index, n); + ut_a(blob_no < page_zip->n_blobs); + + externs = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * (PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + field = rec_get_nth_field(rec, offsets, n, &len); + + externs -= (blob_no + 1) * BTR_EXTERN_FIELD_REF_SIZE; + field += len - BTR_EXTERN_FIELD_REF_SIZE; + + memcpy(externs, field, BTR_EXTERN_FIELD_REF_SIZE); + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + if (mtr) { +#ifndef UNIV_HOTBACKUP + byte* log_ptr = mlog_open( + mtr, 11 + 2 + 2 + BTR_EXTERN_FIELD_REF_SIZE); + if (UNIV_UNLIKELY(!log_ptr)) { + return; + } + + log_ptr = mlog_write_initial_log_record_fast( + (byte*) field, MLOG_ZIP_WRITE_BLOB_PTR, log_ptr, mtr); + mach_write_to_2(log_ptr, page_offset(field)); + log_ptr += 2; + mach_write_to_2(log_ptr, externs - page_zip->data); + log_ptr += 2; + memcpy(log_ptr, externs, BTR_EXTERN_FIELD_REF_SIZE); + log_ptr += BTR_EXTERN_FIELD_REF_SIZE; + mlog_close(mtr, log_ptr); +#endif /* !UNIV_HOTBACKUP */ + } +} + +/***********************************************************//** +Parses a log record of writing the node pointer of a record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_node_ptr( +/*==========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ +{ + ulint offset; + ulint z_offset; + + ut_ad(!page == !page_zip); + + if (UNIV_UNLIKELY(end_ptr < ptr + (2 + 2 + REC_NODE_PTR_SIZE))) { + + return(NULL); + } + + offset = mach_read_from_2(ptr); + z_offset = mach_read_from_2(ptr + 2); + + if (UNIV_UNLIKELY(offset < PAGE_ZIP_START) + || UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) + || UNIV_UNLIKELY(z_offset >= UNIV_PAGE_SIZE)) { +corrupt: + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (page) { + byte* storage_end; + byte* field; + byte* storage; + ulint heap_no; + + if (UNIV_UNLIKELY(!page_zip) + || UNIV_UNLIKELY(page_is_leaf(page))) { + + goto corrupt; + } + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + field = page + offset; + storage = page_zip->data + z_offset; + + storage_end = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE; + + heap_no = 1 + (storage_end - storage) / REC_NODE_PTR_SIZE; + + if (UNIV_UNLIKELY((storage_end - storage) % REC_NODE_PTR_SIZE) + || UNIV_UNLIKELY(heap_no < PAGE_HEAP_NO_USER_LOW) + || UNIV_UNLIKELY(heap_no >= page_dir_get_n_heap(page))) { + + goto corrupt; + } + + memcpy(field, ptr + 4, REC_NODE_PTR_SIZE); + memcpy(storage, ptr + 4, REC_NODE_PTR_SIZE); + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + } + + return(ptr + (2 + 2 + REC_NODE_PTR_SIZE)); +} + +/**********************************************************************//** +Write the node pointer of a record on a non-leaf compressed page. */ +UNIV_INTERN +void +page_zip_write_node_ptr( +/*====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + ulint size, /*!< in: data size of rec */ + ulint ptr, /*!< in: node pointer */ + mtr_t* mtr) /*!< in: mini-transaction, or NULL */ +{ + byte* field; + byte* storage; + page_t* page = page_align(rec); + + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); + ut_ad(page_simple_validate_new(page)); + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(page_zip_get_size(page_zip) + > PAGE_DATA + page_zip_dir_size(page_zip)); + ut_ad(page_rec_is_comp(rec)); + + ut_ad(page_zip->m_start >= PAGE_DATA); + ut_ad(page_zip_header_cmp(page_zip, page)); + + ut_ad(!page_is_leaf(page)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(rec, size); + + storage = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE + - (rec_get_heap_no_new(rec) - 1) * REC_NODE_PTR_SIZE; + field = rec + size - REC_NODE_PTR_SIZE; + +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(storage, field, REC_NODE_PTR_SIZE)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +#if REC_NODE_PTR_SIZE != 4 +# error "REC_NODE_PTR_SIZE != 4" +#endif + mach_write_to_4(field, ptr); + memcpy(storage, field, REC_NODE_PTR_SIZE); + + if (mtr) { +#ifndef UNIV_HOTBACKUP + byte* log_ptr = mlog_open(mtr, + 11 + 2 + 2 + REC_NODE_PTR_SIZE); + if (UNIV_UNLIKELY(!log_ptr)) { + return; + } + + log_ptr = mlog_write_initial_log_record_fast( + field, MLOG_ZIP_WRITE_NODE_PTR, log_ptr, mtr); + mach_write_to_2(log_ptr, page_offset(field)); + log_ptr += 2; + mach_write_to_2(log_ptr, storage - page_zip->data); + log_ptr += 2; + memcpy(log_ptr, field, REC_NODE_PTR_SIZE); + log_ptr += REC_NODE_PTR_SIZE; + mlog_close(mtr, log_ptr); +#endif /* !UNIV_HOTBACKUP */ + } +} + +/**********************************************************************//** +Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ +UNIV_INTERN +void +page_zip_write_trx_id_and_roll_ptr( +/*===============================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in/out: record */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ + trx_id_t trx_id, /*!< in: transaction identifier */ + roll_ptr_t roll_ptr)/*!< in: roll_ptr */ +{ + byte* field; + byte* storage; + page_t* page = page_align(rec); + ulint len; + + ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); + ut_ad(page_simple_validate_new(page)); + ut_ad(page_zip_simple_validate(page_zip)); + ut_ad(page_zip_get_size(page_zip) + > PAGE_DATA + page_zip_dir_size(page_zip)); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_ad(rec_offs_comp(offsets)); + + ut_ad(page_zip->m_start >= PAGE_DATA); + ut_ad(page_zip_header_cmp(page_zip, page)); + + ut_ad(page_is_leaf(page)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + storage = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE + - (rec_get_heap_no_new(rec) - 1) + * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + +#if DATA_TRX_ID + 1 != DATA_ROLL_PTR +# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" +#endif + field = rec_get_nth_field(rec, offsets, trx_id_col, &len); + ut_ad(len == DATA_TRX_ID_LEN); + ut_ad(field + DATA_TRX_ID_LEN + == rec_get_nth_field(rec, offsets, trx_id_col + 1, &len)); + ut_ad(len == DATA_ROLL_PTR_LEN); +#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG + ut_a(!memcmp(storage, field, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN)); +#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ +#if DATA_TRX_ID_LEN != 6 +# error "DATA_TRX_ID_LEN != 6" +#endif + mach_write_to_6(field, trx_id); +#if DATA_ROLL_PTR_LEN != 7 +# error "DATA_ROLL_PTR_LEN != 7" +#endif + mach_write_to_7(field + DATA_TRX_ID_LEN, roll_ptr); + memcpy(storage, field, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); +} + +#ifdef UNIV_ZIP_DEBUG +/** Set this variable in a debugger to disable page_zip_clear_rec(). +The only observable effect should be the compression ratio due to +deleted records not being zeroed out. In rare cases, there can be +page_zip_validate() failures on the node_ptr, trx_id and roll_ptr +columns if the space is reallocated for a smaller record. */ +UNIV_INTERN ibool page_zip_clear_rec_disable; +#endif /* UNIV_ZIP_DEBUG */ + +/**********************************************************************//** +Clear an area on the uncompressed and compressed page, if possible. */ +static +void +page_zip_clear_rec( +/*===============*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: record to clear */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint heap_no; + page_t* page = page_align(rec); + /* page_zip_validate() would fail here if a record + containing externally stored columns is being deleted. */ + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(!page_zip_dir_find(page_zip, page_offset(rec))); + ut_ad(page_zip_dir_find_free(page_zip, page_offset(rec))); + ut_ad(page_zip_header_cmp(page_zip, page)); + + heap_no = rec_get_heap_no_new(rec); + ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + if ( +#ifdef UNIV_ZIP_DEBUG + !page_zip_clear_rec_disable && +#endif /* UNIV_ZIP_DEBUG */ + page_zip->m_end + + 1 + ((heap_no - 1) >= 64)/* size of the log entry */ + + page_zip_get_trailer_len(page_zip, + dict_index_is_clust(index), NULL) + < page_zip_get_size(page_zip)) { + byte* data; + + /* Clear only the data bytes, because the allocator and + the decompressor depend on the extra bytes. */ + memset(rec, 0, rec_offs_data_size(offsets)); + + if (!page_is_leaf(page)) { + /* Clear node_ptr on the compressed page. */ + byte* storage = page_zip->data + + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) + - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE; + + memset(storage - (heap_no - 1) * REC_NODE_PTR_SIZE, + 0, REC_NODE_PTR_SIZE); + } else if (dict_index_is_clust(index)) { + /* Clear trx_id and roll_ptr on the compressed page. */ + byte* storage = page_zip->data + + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) + - PAGE_HEAP_NO_USER_LOW) + * PAGE_ZIP_DIR_SLOT_SIZE; + + memset(storage - (heap_no - 1) + * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), + 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + } + + /* Log that the data was zeroed out. */ + data = page_zip->data + page_zip->m_end; + ut_ad(!*data); + if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { + *data++ = (byte) (0x80 | (heap_no - 1) >> 7); + ut_ad(!*data); + } + *data++ = (byte) ((heap_no - 1) << 1 | 1); + ut_ad(!*data); + ut_ad((ulint) (data - page_zip->data) + < page_zip_get_size(page_zip)); + page_zip->m_end = data - page_zip->data; + page_zip->m_nonempty = TRUE; + } else if (page_is_leaf(page) && dict_index_is_clust(index)) { + /* Do not clear the record, because there is not enough space + to log the operation. */ + + if (rec_offs_any_extern(offsets)) { + ulint i; + + for (i = rec_offs_n_fields(offsets); i--; ) { + /* Clear all BLOB pointers in order to make + page_zip_validate() pass. */ + if (rec_offs_nth_extern(offsets, i)) { + ulint len; + byte* field = rec_get_nth_field( + rec, offsets, i, &len); + memset(field + len + - BTR_EXTERN_FIELD_REF_SIZE, + 0, BTR_EXTERN_FIELD_REF_SIZE); + } + } + } + } + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ +} + +/**********************************************************************//** +Write the "deleted" flag of a record on a compressed page. The flag must +already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_deleted( +/*=====================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ +{ + byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); + ut_a(slot); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + if (flag) { + *slot |= (PAGE_ZIP_DIR_SLOT_DEL >> 8); + } else { + *slot &= ~(PAGE_ZIP_DIR_SLOT_DEL >> 8); + } +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page_align(rec))); +#endif /* UNIV_ZIP_DEBUG */ +} + +/**********************************************************************//** +Write the "owned" flag of a record on a compressed page. The n_owned field +must already have been written on the uncompressed page. */ +UNIV_INTERN +void +page_zip_rec_set_owned( +/*===================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* rec, /*!< in: record on the uncompressed page */ + ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ +{ + byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); + ut_a(slot); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + if (flag) { + *slot |= (PAGE_ZIP_DIR_SLOT_OWNED >> 8); + } else { + *slot &= ~(PAGE_ZIP_DIR_SLOT_OWNED >> 8); + } +} + +/**********************************************************************//** +Insert a record to the dense page directory. */ +UNIV_INTERN +void +page_zip_dir_insert( +/*================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + const byte* prev_rec,/*!< in: record after which to insert */ + const byte* free_rec,/*!< in: record from which rec was + allocated, or NULL */ + byte* rec) /*!< in: record to insert */ +{ + ulint n_dense; + byte* slot_rec; + byte* slot_free; + + ut_ad(prev_rec != rec); + ut_ad(page_rec_get_next((rec_t*) prev_rec) == rec); + ut_ad(page_zip_simple_validate(page_zip)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + if (page_rec_is_infimum(prev_rec)) { + /* Use the first slot. */ + slot_rec = page_zip->data + page_zip_get_size(page_zip); + } else { + byte* end = page_zip->data + page_zip_get_size(page_zip); + byte* start = end - page_zip_dir_user_size(page_zip); + + if (UNIV_LIKELY(!free_rec)) { + /* PAGE_N_RECS was already incremented + in page_cur_insert_rec_zip(), but the + dense directory slot at that position + contains garbage. Skip it. */ + start += PAGE_ZIP_DIR_SLOT_SIZE; + } + + slot_rec = page_zip_dir_find_low(start, end, + page_offset(prev_rec)); + ut_a(slot_rec); + } + + /* Read the old n_dense (n_heap may have been incremented). */ + n_dense = page_dir_get_n_heap(page_zip->data) + - (PAGE_HEAP_NO_USER_LOW + 1); + + if (UNIV_LIKELY_NULL(free_rec)) { + /* The record was allocated from the free list. + Shift the dense directory only up to that slot. + Note that in this case, n_dense is actually + off by one, because page_cur_insert_rec_zip() + did not increment n_heap. */ + ut_ad(rec_get_heap_no_new(rec) < n_dense + 1 + + PAGE_HEAP_NO_USER_LOW); + ut_ad(rec >= free_rec); + slot_free = page_zip_dir_find(page_zip, page_offset(free_rec)); + ut_ad(slot_free); + slot_free += PAGE_ZIP_DIR_SLOT_SIZE; + } else { + /* The record was allocated from the heap. + Shift the entire dense directory. */ + ut_ad(rec_get_heap_no_new(rec) == n_dense + + PAGE_HEAP_NO_USER_LOW); + + /* Shift to the end of the dense page directory. */ + slot_free = page_zip->data + page_zip_get_size(page_zip) + - PAGE_ZIP_DIR_SLOT_SIZE * n_dense; + } + + /* Shift the dense directory to allocate place for rec. */ + memmove(slot_free - PAGE_ZIP_DIR_SLOT_SIZE, slot_free, + slot_rec - slot_free); + + /* Write the entry for the inserted record. + The "owned" and "deleted" flags must be zero. */ + mach_write_to_2(slot_rec - PAGE_ZIP_DIR_SLOT_SIZE, page_offset(rec)); +} + +/**********************************************************************//** +Shift the dense page directory and the array of BLOB pointers +when a record is deleted. */ +UNIV_INTERN +void +page_zip_dir_delete( +/*================*/ + page_zip_des_t* page_zip,/*!< in/out: compressed page */ + byte* rec, /*!< in: record to delete */ + dict_index_t* index, /*!< in: index of rec */ + const ulint* offsets,/*!< in: rec_get_offsets(rec) */ + const byte* free) /*!< in: previous start of the free list */ +{ + byte* slot_rec; + byte* slot_free; + ulint n_ext; + page_t* page = page_align(rec); + + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(rec_offs_comp(offsets)); + + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); + UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), + rec_offs_extra_size(offsets)); + + slot_rec = page_zip_dir_find(page_zip, page_offset(rec)); + + ut_a(slot_rec); + + /* This could not be done before page_zip_dir_find(). */ + page_header_set_field(page, page_zip, PAGE_N_RECS, + (ulint)(page_get_n_recs(page) - 1)); + + if (UNIV_UNLIKELY(!free)) { + /* Make the last slot the start of the free list. */ + slot_free = page_zip->data + page_zip_get_size(page_zip) + - PAGE_ZIP_DIR_SLOT_SIZE + * (page_dir_get_n_heap(page_zip->data) + - PAGE_HEAP_NO_USER_LOW); + } else { + slot_free = page_zip_dir_find_free(page_zip, + page_offset(free)); + ut_a(slot_free < slot_rec); + /* Grow the free list by one slot by moving the start. */ + slot_free += PAGE_ZIP_DIR_SLOT_SIZE; + } + + if (UNIV_LIKELY(slot_rec > slot_free)) { + memmove(slot_free + PAGE_ZIP_DIR_SLOT_SIZE, + slot_free, + slot_rec - slot_free); + } + + /* Write the entry for the deleted record. + The "owned" and "deleted" flags will be cleared. */ + mach_write_to_2(slot_free, page_offset(rec)); + + if (!page_is_leaf(page) || !dict_index_is_clust(index)) { + ut_ad(!rec_offs_any_extern(offsets)); + goto skip_blobs; + } + + n_ext = rec_offs_n_extern(offsets); + if (UNIV_UNLIKELY(n_ext)) { + /* Shift and zero fill the array of BLOB pointers. */ + ulint blob_no; + byte* externs; + byte* ext_end; + + blob_no = page_zip_get_n_prev_extern(page_zip, rec, index); + ut_a(blob_no + n_ext <= page_zip->n_blobs); + + externs = page_zip->data + page_zip_get_size(page_zip) + - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) + * (PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + + ext_end = externs - page_zip->n_blobs + * BTR_EXTERN_FIELD_REF_SIZE; + externs -= blob_no * BTR_EXTERN_FIELD_REF_SIZE; + + page_zip->n_blobs -= n_ext; + /* Shift and zero fill the array. */ + memmove(ext_end + n_ext * BTR_EXTERN_FIELD_REF_SIZE, ext_end, + (page_zip->n_blobs - blob_no) + * BTR_EXTERN_FIELD_REF_SIZE); + memset(ext_end, 0, n_ext * BTR_EXTERN_FIELD_REF_SIZE); + } + +skip_blobs: + /* The compression algorithm expects info_bits and n_owned + to be 0 for deleted records. */ + rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ + + page_zip_clear_rec(page_zip, rec, index, offsets); +} + +/**********************************************************************//** +Add a slot to the dense page directory. */ +UNIV_INTERN +void +page_zip_dir_add_slot( +/*==================*/ + page_zip_des_t* page_zip, /*!< in/out: compressed page */ + ulint is_clustered) /*!< in: nonzero for clustered index, + zero for others */ +{ + ulint n_dense; + byte* dir; + byte* stored; + + ut_ad(page_is_comp(page_zip->data)); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + /* Read the old n_dense (n_heap has already been incremented). */ + n_dense = page_dir_get_n_heap(page_zip->data) + - (PAGE_HEAP_NO_USER_LOW + 1); + + dir = page_zip->data + page_zip_get_size(page_zip) + - PAGE_ZIP_DIR_SLOT_SIZE * n_dense; + + if (!page_is_leaf(page_zip->data)) { + ut_ad(!page_zip->n_blobs); + stored = dir - n_dense * REC_NODE_PTR_SIZE; + } else if (UNIV_UNLIKELY(is_clustered)) { + /* Move the BLOB pointer array backwards to make space for the + roll_ptr and trx_id columns and the dense directory slot. */ + byte* externs; + + stored = dir - n_dense + * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + externs = stored + - page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; + ASSERT_ZERO(externs + - (PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), + PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); + memmove(externs - (PAGE_ZIP_DIR_SLOT_SIZE + + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), + externs, stored - externs); + } else { + stored = dir + - page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; + ASSERT_ZERO(stored - PAGE_ZIP_DIR_SLOT_SIZE, + PAGE_ZIP_DIR_SLOT_SIZE); + } + + /* Move the uncompressed area backwards to make space + for one directory slot. */ + memmove(stored - PAGE_ZIP_DIR_SLOT_SIZE, stored, dir - stored); +} + +/***********************************************************//** +Parses a log record of writing to the header of a page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_write_header( +/*========================*/ + byte* ptr, /*!< in: redo log buffer */ + byte* end_ptr,/*!< in: redo log buffer end */ + page_t* page, /*!< in/out: uncompressed page */ + page_zip_des_t* page_zip)/*!< in/out: compressed page */ +{ + ulint offset; + ulint len; + + ut_ad(ptr && end_ptr); + ut_ad(!page == !page_zip); + + if (UNIV_UNLIKELY(end_ptr < ptr + (1 + 1))) { + + return(NULL); + } + + offset = (ulint) *ptr++; + len = (ulint) *ptr++; + + if (UNIV_UNLIKELY(!len) || UNIV_UNLIKELY(offset + len >= PAGE_DATA)) { +corrupt: + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + if (UNIV_UNLIKELY(end_ptr < ptr + len)) { + + return(NULL); + } + + if (page) { + if (UNIV_UNLIKELY(!page_zip)) { + + goto corrupt; + } +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + memcpy(page + offset, ptr, len); + memcpy(page_zip->data + offset, ptr, len); + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + } + + return(ptr + len); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Write a log record of writing to the uncompressed header portion of a page. */ +UNIV_INTERN +void +page_zip_write_header_log( +/*======================*/ + const byte* data, /*!< in: data on the uncompressed page */ + ulint length, /*!< in: length of the data */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + byte* log_ptr = mlog_open(mtr, 11 + 1 + 1); + ulint offset = page_offset(data); + + ut_ad(offset < PAGE_DATA); + ut_ad(offset + length < PAGE_DATA); +#if PAGE_DATA > 255 +# error "PAGE_DATA > 255" +#endif + ut_ad(length < 256); + + /* If no logging is requested, we may return now */ + if (UNIV_UNLIKELY(!log_ptr)) { + + return; + } + + log_ptr = mlog_write_initial_log_record_fast( + (byte*) data, MLOG_ZIP_WRITE_HEADER, log_ptr, mtr); + *log_ptr++ = (byte) offset; + *log_ptr++ = (byte) length; + mlog_close(mtr, log_ptr); + + mlog_catenate_string(mtr, data, length); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Reorganize and compress a page. This is a low-level operation for +compressed pages, to be used when page_zip_compress() fails. +On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. +The function btr_page_reorganize() should be preferred whenever possible. +IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a +non-clustered index, the caller must update the insert buffer free +bits in the same mini-transaction in such a way that the modification +will be redo-logged. +@return TRUE on success, FALSE on failure; page_zip will be left +intact on failure, but page will be overwritten. */ +UNIV_INTERN +ibool +page_zip_reorganize( +/*================*/ + buf_block_t* block, /*!< in/out: page with compressed page; + on the compressed page, in: size; + out: data, n_blobs, + m_start, m_end, m_nonempty */ + dict_index_t* index, /*!< in: index of the B-tree node */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + page_zip_des_t* page_zip = buf_block_get_page_zip(block); + page_t* page = buf_block_get_frame(block); + buf_block_t* temp_block; + page_t* temp_page; + ulint log_mode; + + ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); + ut_ad(page_is_comp(page)); + ut_ad(!dict_index_is_ibuf(index)); + /* Note that page_zip_validate(page_zip, page) may fail here. */ + UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); + + /* Disable logging */ + log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); + +#ifndef UNIV_HOTBACKUP + temp_block = buf_block_alloc(0); + btr_search_drop_page_hash_index(block); + block->check_index_page_at_flush = TRUE; +#else /* !UNIV_HOTBACKUP */ + ut_ad(block == back_block1); + temp_block = back_block2; +#endif /* !UNIV_HOTBACKUP */ + temp_page = temp_block->frame; + + /* Copy the old page to temporary space */ + buf_frame_copy(temp_page, page); + + /* Recreate the page: note that global data on page (possible + segment headers, next page-field, etc.) is preserved intact */ + + page_create(block, mtr, TRUE); + + /* Copy the records from the temporary space to the recreated page; + do not copy the lock bits yet */ + + page_copy_rec_list_end_no_locks(block, temp_block, + page_get_infimum_rec(temp_page), + index, mtr); + + if (!dict_index_is_clust(index) && page_is_leaf(temp_page)) { + /* Copy max trx id to recreated page */ + trx_id_t max_trx_id = page_get_max_trx_id(temp_page); + page_set_max_trx_id(block, NULL, max_trx_id, NULL); + ut_ad(!ut_dulint_is_zero(max_trx_id)); + } + + /* Restore logging. */ + mtr_set_log_mode(mtr, log_mode); + + if (UNIV_UNLIKELY(!page_zip_compress(page_zip, page, index, mtr))) { + +#ifndef UNIV_HOTBACKUP + buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ + return(FALSE); + } + + lock_move_reorganize_page(block, temp_block); + +#ifndef UNIV_HOTBACKUP + buf_block_free(temp_block); +#endif /* !UNIV_HOTBACKUP */ + return(TRUE); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Copy the records of a page byte for byte. Do not copy the page header +or trailer, except those B-tree header fields that are directly +related to the storage of records. Also copy PAGE_MAX_TRX_ID. +NOTE: The caller must update the lock table and the adaptive hash index. */ +UNIV_INTERN +void +page_zip_copy_recs( +/*===============*/ + page_zip_des_t* page_zip, /*!< out: copy of src_zip + (n_blobs, m_start, m_end, + m_nonempty, data[0..size-1]) */ + page_t* page, /*!< out: copy of src */ + const page_zip_des_t* src_zip, /*!< in: compressed page */ + const page_t* src, /*!< in: page */ + dict_index_t* index, /*!< in: index of the B-tree */ + mtr_t* mtr) /*!< in: mini-transaction */ +{ + ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); + ut_ad(mtr_memo_contains_page(mtr, (page_t*) src, MTR_MEMO_PAGE_X_FIX)); + ut_ad(!dict_index_is_ibuf(index)); +#ifdef UNIV_ZIP_DEBUG + /* The B-tree operations that call this function may set + FIL_PAGE_PREV or PAGE_LEVEL, causing a temporary min_rec_flag + mismatch. A strict page_zip_validate() will be executed later + during the B-tree operations. */ + ut_a(page_zip_validate_low(src_zip, src, TRUE)); +#endif /* UNIV_ZIP_DEBUG */ + ut_a(page_zip_get_size(page_zip) == page_zip_get_size(src_zip)); + if (UNIV_UNLIKELY(src_zip->n_blobs)) { + ut_a(page_is_leaf(src)); + ut_a(dict_index_is_clust(index)); + } + + /* The PAGE_MAX_TRX_ID must be set on leaf pages of secondary + indexes. It does not matter on other pages. */ + ut_a(dict_index_is_clust(index) || !page_is_leaf(src) + || !ut_dulint_is_zero(page_get_max_trx_id(src))); + + UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_W(page_zip->data, page_zip_get_size(page_zip)); + UNIV_MEM_ASSERT_RW(src, UNIV_PAGE_SIZE); + UNIV_MEM_ASSERT_RW(src_zip->data, page_zip_get_size(page_zip)); + + /* Copy those B-tree page header fields that are related to + the records stored in the page. Also copy the field + PAGE_MAX_TRX_ID. Skip the rest of the page header and + trailer. On the compressed page, there is no trailer. */ +#if PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END +# error "PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END" +#endif + memcpy(PAGE_HEADER + page, PAGE_HEADER + src, + PAGE_HEADER_PRIV_END); + memcpy(PAGE_DATA + page, PAGE_DATA + src, + UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); + memcpy(PAGE_HEADER + page_zip->data, PAGE_HEADER + src_zip->data, + PAGE_HEADER_PRIV_END); + memcpy(PAGE_DATA + page_zip->data, PAGE_DATA + src_zip->data, + page_zip_get_size(page_zip) - PAGE_DATA); + + /* Copy all fields of src_zip to page_zip, except the pointer + to the compressed data page. */ + { + page_zip_t* data = page_zip->data; + memcpy(page_zip, src_zip, sizeof *page_zip); + page_zip->data = data; + } + ut_ad(page_zip_get_trailer_len(page_zip, + dict_index_is_clust(index), NULL) + + page_zip->m_end < page_zip_get_size(page_zip)); + + if (!page_is_leaf(src) + && UNIV_UNLIKELY(mach_read_from_4(src + FIL_PAGE_PREV) == FIL_NULL) + && UNIV_LIKELY(mach_read_from_4(page + + FIL_PAGE_PREV) != FIL_NULL)) { + /* Clear the REC_INFO_MIN_REC_FLAG of the first user record. */ + ulint offs = rec_get_next_offs(page + PAGE_NEW_INFIMUM, + TRUE); + if (UNIV_LIKELY(offs != PAGE_NEW_SUPREMUM)) { + rec_t* rec = page + offs; + ut_a(rec[-REC_N_NEW_EXTRA_BYTES] + & REC_INFO_MIN_REC_FLAG); + rec[-REC_N_NEW_EXTRA_BYTES] &= ~ REC_INFO_MIN_REC_FLAG; + } + } + +#ifdef UNIV_ZIP_DEBUG + ut_a(page_zip_validate(page_zip, page)); +#endif /* UNIV_ZIP_DEBUG */ + + page_zip_compress_write_log(page_zip, page, index, mtr); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Parses a log record of compressing an index page. +@return end of log record or NULL */ +UNIV_INTERN +byte* +page_zip_parse_compress( +/*====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< out: uncompressed page */ + page_zip_des_t* page_zip)/*!< out: compressed page */ +{ + ulint size; + ulint trailer_size; + + ut_ad(ptr && end_ptr); + ut_ad(!page == !page_zip); + + if (UNIV_UNLIKELY(ptr + (2 + 2) > end_ptr)) { + + return(NULL); + } + + size = mach_read_from_2(ptr); + ptr += 2; + trailer_size = mach_read_from_2(ptr); + ptr += 2; + + if (UNIV_UNLIKELY(ptr + 8 + size + trailer_size > end_ptr)) { + + return(NULL); + } + + if (page) { + if (UNIV_UNLIKELY(!page_zip) + || UNIV_UNLIKELY(page_zip_get_size(page_zip) < size)) { +corrupt: + recv_sys->found_corrupt_log = TRUE; + + return(NULL); + } + + memcpy(page_zip->data + FIL_PAGE_PREV, ptr, 4); + memcpy(page_zip->data + FIL_PAGE_NEXT, ptr + 4, 4); + memcpy(page_zip->data + FIL_PAGE_TYPE, ptr + 8, size); + memset(page_zip->data + FIL_PAGE_TYPE + size, 0, + page_zip_get_size(page_zip) - trailer_size + - (FIL_PAGE_TYPE + size)); + memcpy(page_zip->data + page_zip_get_size(page_zip) + - trailer_size, ptr + 8 + size, trailer_size); + + if (UNIV_UNLIKELY(!page_zip_decompress(page_zip, page, + TRUE))) { + + goto corrupt; + } + } + + return(ptr + 8 + size + trailer_size); +} + +/**********************************************************************//** +Calculate the compressed page checksum. +@return page checksum */ +UNIV_INTERN +ulint +page_zip_calc_checksum( +/*===================*/ + const void* data, /*!< in: compressed page */ + ulint size) /*!< in: size of compressed page */ +{ + /* Exclude FIL_PAGE_SPACE_OR_CHKSUM, FIL_PAGE_LSN, + and FIL_PAGE_FILE_FLUSH_LSN from the checksum. */ + + const Bytef* s = data; + uLong adler; + + ut_ad(size > FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + + adler = adler32(0L, s + FIL_PAGE_OFFSET, + FIL_PAGE_LSN - FIL_PAGE_OFFSET); + adler = adler32(adler, s + FIL_PAGE_TYPE, 2); + adler = adler32(adler, s + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, + size - FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + + return((ulint) adler); +} diff --git a/perfschema/pars/lexyy.c b/perfschema/pars/lexyy.c new file mode 100644 index 00000000000..815395ea316 --- /dev/null +++ b/perfschema/pars/lexyy.c @@ -0,0 +1,2793 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +#include "univ.i" +#line 2 "lexyy.c" + +#line 4 "lexyy.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 31 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#if __STDC__ + +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +static int yyleng; + +static FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +/* The following is because we cannot portably get our hands on size_t + * (without autoconf's help, which isn't available because we want + * flex-generated scanners to compile on their own). + */ + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef unsigned int yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +static int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 1; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +static void yyrestart (FILE *input_file ); +__attribute__((unused)) static void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +static YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +static void yy_delete_buffer (YY_BUFFER_STATE b ); +static void yy_flush_buffer (YY_BUFFER_STATE b ); +__attribute__((unused)) static void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +__attribute__((unused)) static void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); + +static void *yyalloc (yy_size_t ); +static void *yyrealloc (void *,yy_size_t ); +static void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +static FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +static int yylineno; + +static int yylineno = 1; + +static char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 119 +#define YY_END_OF_BUFFER 120 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[399] = + { 0, + 0, 0, 114, 114, 0, 0, 0, 0, 120, 118, + 117, 117, 8, 118, 109, 5, 98, 104, 107, 105, + 102, 106, 118, 108, 1, 118, 103, 101, 99, 100, + 112, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 110, 111, 114, 115, 6, 7, 9, 10, 117, 4, + 93, 113, 2, 1, 3, 94, 95, 97, 96, 92, + 92, 92, 92, 92, 92, 44, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 92, 92, 28, 17, 25, 92, 92, 92, 92, 92, + + 54, 61, 92, 14, 92, 92, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 92, 92, 114, 115, 115, 116, 6, 7, 9, 10, + 2, 13, 45, 92, 92, 92, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 92, 27, 92, 92, 92, 41, 92, 92, 92, 92, + 21, 92, 92, 92, 92, 15, 92, 92, 92, 18, + 92, 92, 92, 92, 92, 80, 92, 92, 92, 51, + 92, 12, 92, 36, 92, 92, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 20, 24, + + 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, + 46, 92, 92, 30, 92, 87, 92, 92, 39, 92, + 92, 92, 92, 92, 48, 92, 89, 32, 91, 92, + 11, 64, 92, 92, 92, 42, 92, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 29, 92, 92, 92, + 92, 92, 92, 92, 92, 92, 85, 92, 26, 92, + 66, 92, 92, 92, 37, 92, 92, 92, 92, 92, + 92, 92, 31, 65, 23, 92, 57, 92, 75, 92, + 92, 92, 43, 92, 92, 92, 92, 92, 92, 92, + 92, 90, 92, 92, 56, 92, 92, 92, 92, 92, + + 92, 92, 40, 33, 79, 19, 92, 83, 74, 55, + 92, 63, 92, 52, 92, 92, 92, 47, 92, 76, + 92, 78, 92, 92, 34, 92, 92, 92, 35, 72, + 92, 92, 92, 92, 58, 92, 50, 49, 92, 92, + 53, 62, 92, 92, 92, 22, 92, 92, 73, 81, + 92, 92, 77, 92, 68, 92, 92, 92, 92, 38, + 92, 88, 67, 92, 84, 92, 92, 92, 86, 92, + 59, 92, 16, 92, 70, 69, 92, 92, 82, 92, + 92, 92, 92, 92, 92, 92, 92, 92, 92, 71, + 92, 92, 92, 92, 92, 92, 60, 0 + + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 4, 1, 5, 6, 1, 7, 8, + 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 17, 18, 19, + 20, 21, 22, 1, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 32, + 1, 1, 1, 1, 48, 1, 32, 32, 32, 32, + + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 49, 1, 50, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[51] = + { 0, + 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, + 1, 1, 1, 1, 1, 5, 1, 1, 1, 6, + 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 1, 1 + } ; + +static yyconst flex_int16_t yy_base[409] = + { 0, + 0, 0, 437, 436, 438, 437, 439, 438, 441, 448, + 49, 51, 448, 0, 448, 448, 448, 448, 448, 448, + 448, 448, 426, 429, 41, 418, 448, 38, 448, 417, + 448, 20, 33, 32, 46, 40, 44, 0, 54, 52, + 399, 48, 60, 395, 65, 67, 81, 27, 411, 75, + 448, 448, 0, 98, 0, 426, 0, 428, 113, 0, + 448, 448, 415, 54, 410, 448, 448, 448, 448, 0, + 403, 68, 399, 391, 389, 0, 402, 80, 84, 397, + 383, 96, 381, 394, 379, 393, 387, 375, 379, 375, + 377, 377, 0, 98, 0, 376, 97, 385, 368, 375, + + 0, 0, 381, 381, 364, 94, 103, 379, 98, 65, + 381, 369, 109, 361, 377, 373, 351, 97, 372, 363, + 115, 356, 0, 137, 138, 448, 0, 388, 0, 390, + 377, 0, 0, 365, 360, 367, 365, 348, 346, 345, + 350, 359, 347, 359, 95, 347, 353, 354, 336, 336, + 123, 0, 334, 350, 351, 0, 338, 347, 344, 122, + 124, 341, 336, 330, 340, 338, 331, 328, 336, 0, + 326, 336, 334, 325, 315, 309, 322, 307, 327, 0, + 313, 0, 311, 0, 325, 316, 313, 131, 309, 316, + 323, 302, 304, 309, 309, 301, 304, 299, 0, 0, + + 311, 295, 305, 312, 292, 291, 305, 294, 307, 287, + 0, 297, 279, 0, 298, 0, 295, 282, 0, 281, + 276, 281, 280, 290, 0, 276, 0, 0, 0, 280, + 0, 0, 276, 273, 287, 0, 272, 272, 270, 286, + 271, 283, 280, 264, 282, 277, 0, 272, 272, 258, + 257, 270, 256, 270, 269, 268, 0, 252, 0, 246, + 0, 265, 249, 248, 0, 262, 252, 247, 246, 258, + 248, 247, 0, 0, 0, 251, 0, 239, 0, 253, + 249, 235, 0, 249, 250, 233, 238, 231, 249, 231, + 228, 0, 229, 226, 0, 231, 243, 230, 237, 227, + + 235, 220, 0, 0, 0, 212, 219, 0, 0, 0, + 216, 0, 230, 0, 231, 218, 217, 0, 213, 0, + 216, 0, 208, 210, 0, 209, 223, 216, 0, 0, + 219, 222, 204, 219, 0, 215, 0, 0, 199, 213, + 0, 0, 197, 196, 201, 0, 210, 195, 0, 0, + 201, 197, 0, 192, 0, 204, 204, 192, 202, 0, + 179, 0, 0, 199, 0, 183, 177, 183, 0, 174, + 0, 193, 0, 192, 0, 0, 183, 187, 0, 174, + 174, 180, 166, 189, 181, 180, 166, 151, 118, 0, + 130, 136, 127, 123, 119, 111, 0, 448, 167, 173, + + 179, 152, 181, 124, 187, 193, 199, 205 + } ; + +static yyconst flex_int16_t yy_def[409] = + { 0, + 398, 1, 399, 399, 400, 400, 401, 401, 398, 398, + 398, 398, 398, 402, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 403, 398, 398, 398, 398, + 398, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 398, 398, 405, 406, 407, 398, 408, 398, 398, 402, + 398, 398, 398, 398, 403, 398, 398, 398, 398, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 405, 406, 406, 398, 407, 398, 408, 398, + 398, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, + 404, 404, 404, 404, 404, 404, 404, 0, 398, 398, + + 398, 398, 398, 398, 398, 398, 398, 398 + } ; + +static yyconst flex_int16_t yy_nxt[499] = + { 0, + 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 38, + 39, 38, 38, 40, 41, 42, 43, 44, 38, 45, + 46, 47, 48, 49, 50, 38, 38, 38, 51, 52, + 59, 59, 59, 59, 63, 71, 64, 67, 68, 73, + 72, 77, 118, 74, 119, 78, 75, 63, 79, 64, + 88, 80, 82, 85, 81, 86, 83, 89, 96, 76, + 90, 93, 84, 91, 99, 87, 92, 101, 97, 94, + 100, 107, 133, 110, 95, 102, 111, 103, 179, 104, + + 108, 109, 105, 115, 121, 112, 180, 125, 134, 113, + 116, 122, 126, 114, 59, 59, 139, 117, 141, 142, + 146, 163, 140, 159, 171, 173, 143, 189, 70, 147, + 172, 177, 183, 164, 207, 208, 148, 190, 160, 161, + 174, 193, 178, 184, 175, 194, 398, 125, 222, 214, + 224, 398, 126, 215, 248, 249, 60, 397, 396, 395, + 225, 394, 393, 223, 392, 391, 250, 53, 53, 53, + 53, 53, 53, 55, 55, 55, 55, 55, 55, 57, + 57, 57, 57, 57, 57, 65, 65, 123, 123, 123, + 390, 123, 123, 124, 124, 124, 124, 124, 124, 127, + + 127, 389, 127, 127, 127, 129, 388, 129, 129, 129, + 129, 387, 386, 385, 384, 383, 382, 381, 380, 379, + 378, 377, 376, 375, 374, 373, 372, 371, 370, 369, + 368, 367, 366, 365, 364, 363, 362, 361, 360, 359, + 358, 357, 356, 355, 354, 353, 352, 351, 350, 349, + 348, 347, 346, 345, 344, 343, 342, 341, 340, 339, + 338, 337, 336, 335, 334, 333, 332, 331, 330, 329, + 328, 327, 326, 325, 324, 323, 322, 321, 320, 319, + 318, 317, 316, 315, 314, 313, 312, 311, 310, 309, + 308, 307, 306, 305, 304, 303, 302, 301, 300, 299, + + 298, 297, 296, 295, 294, 293, 292, 291, 290, 289, + 288, 287, 286, 285, 284, 283, 282, 281, 280, 279, + 278, 277, 276, 275, 274, 273, 272, 271, 270, 269, + 268, 267, 266, 265, 264, 263, 262, 261, 260, 259, + 258, 257, 256, 255, 254, 253, 252, 251, 247, 246, + 245, 244, 243, 242, 241, 240, 239, 238, 237, 236, + 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, + 221, 220, 219, 218, 217, 216, 213, 212, 211, 210, + 209, 206, 205, 204, 203, 202, 201, 200, 199, 198, + 197, 196, 131, 130, 128, 195, 192, 191, 188, 187, + + 186, 185, 182, 181, 176, 170, 169, 168, 167, 166, + 165, 162, 158, 157, 156, 155, 154, 153, 152, 151, + 150, 149, 145, 144, 138, 137, 136, 135, 132, 398, + 131, 130, 128, 120, 106, 98, 69, 66, 62, 61, + 398, 58, 58, 56, 56, 54, 54, 9, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398 + + } ; + +static yyconst flex_int16_t yy_chk[499] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 11, 11, 12, 12, 25, 32, 25, 28, 28, 33, + 32, 34, 48, 33, 48, 34, 33, 64, 34, 64, + 37, 34, 35, 36, 34, 36, 35, 37, 40, 33, + 37, 39, 35, 37, 42, 36, 37, 43, 40, 39, + 42, 45, 72, 46, 39, 43, 46, 43, 110, 43, + + 45, 45, 43, 47, 50, 46, 110, 54, 72, 46, + 47, 50, 54, 46, 59, 59, 78, 47, 79, 79, + 82, 97, 78, 94, 106, 107, 79, 118, 404, 82, + 106, 109, 113, 97, 145, 145, 82, 118, 94, 94, + 107, 121, 109, 113, 107, 121, 124, 125, 160, 151, + 161, 124, 125, 151, 188, 188, 402, 396, 395, 394, + 161, 393, 392, 160, 391, 389, 188, 399, 399, 399, + 399, 399, 399, 400, 400, 400, 400, 400, 400, 401, + 401, 401, 401, 401, 401, 403, 403, 405, 405, 405, + 388, 405, 405, 406, 406, 406, 406, 406, 406, 407, + + 407, 387, 407, 407, 407, 408, 386, 408, 408, 408, + 408, 385, 384, 383, 382, 381, 380, 378, 377, 374, + 372, 370, 368, 367, 366, 364, 361, 359, 358, 357, + 356, 354, 352, 351, 348, 347, 345, 344, 343, 340, + 339, 336, 334, 333, 332, 331, 328, 327, 326, 324, + 323, 321, 319, 317, 316, 315, 313, 311, 307, 306, + 302, 301, 300, 299, 298, 297, 296, 294, 293, 291, + 290, 289, 288, 287, 286, 285, 284, 282, 281, 280, + 278, 276, 272, 271, 270, 269, 268, 267, 266, 264, + 263, 262, 260, 258, 256, 255, 254, 253, 252, 251, + + 250, 249, 248, 246, 245, 244, 243, 242, 241, 240, + 239, 238, 237, 235, 234, 233, 230, 226, 224, 223, + 222, 221, 220, 218, 217, 215, 213, 212, 210, 209, + 208, 207, 206, 205, 204, 203, 202, 201, 198, 197, + 196, 195, 194, 193, 192, 191, 190, 189, 187, 186, + 185, 183, 181, 179, 178, 177, 176, 175, 174, 173, + 172, 171, 169, 168, 167, 166, 165, 164, 163, 162, + 159, 158, 157, 155, 154, 153, 150, 149, 148, 147, + 146, 144, 143, 142, 141, 140, 139, 138, 137, 136, + 135, 134, 131, 130, 128, 122, 120, 119, 117, 116, + + 115, 114, 112, 111, 108, 105, 104, 103, 100, 99, + 98, 96, 92, 91, 90, 89, 88, 87, 86, 85, + 84, 83, 81, 80, 77, 75, 74, 73, 71, 65, + 63, 58, 56, 49, 44, 41, 30, 26, 24, 23, + 9, 8, 7, 6, 5, 4, 3, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, + 398, 398, 398, 398, 398, 398, 398, 398 + + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +static int yy_flex_debug; +static int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +static char *yytext; +#line 1 "pars0lex.l" +/**************************************************//** +SQL parser lexical analyzer: input file for the GNU Flex lexer generator + +(c) 1997 Innobase Oy + +Created 12/14/1997 Heikki Tuuri +Published under the GPL version 2 + +The InnoDB parser is frozen because MySQL takes care of SQL parsing. +Therefore we normally keep the InnoDB parser C files as they are, and do +not automatically generate them from pars0grm.y and pars0lex.l. + +How to make the InnoDB parser and lexer C files: + +1. Run ./make_flex.sh to generate lexer files. + +2. Run ./make_bison.sh to generate parser files. + +These instructions seem to work at least with bison-1.875d and flex-2.5.31 on +Linux. +*******************************************************/ +#define YY_NO_INPUT 1 +#define YY_NO_UNISTD_H 1 +#line 38 "pars0lex.l" +#define YYSTYPE que_node_t* + +#include "univ.i" +#include "pars0pars.h" +#include "pars0grm.h" +#include "pars0sym.h" +#include "mem0mem.h" +#include "os0proc.h" + +#define malloc(A) ut_malloc(A) +#define free(A) ut_free(A) +#define realloc(P, A) ut_realloc(P, A) +#define exit(A) ut_error + +#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result, max_size) + +/* String buffer for removing quotes */ +static ulint stringbuf_len_alloc = 0; /* Allocated length */ +static ulint stringbuf_len = 0; /* Current length */ +static char* stringbuf; /* Start of buffer */ +/** Appends a string to the buffer. */ +static +void +string_append( +/*==========*/ + const char* str, /*!< in: string to be appended */ + ulint len) /*!< in: length of the string */ +{ + if (stringbuf == NULL) { + stringbuf = malloc(1); + stringbuf_len_alloc = 1; + } + + if (stringbuf_len + len > stringbuf_len_alloc) { + while (stringbuf_len + len > stringbuf_len_alloc) { + stringbuf_len_alloc <<= 1; + } + stringbuf = realloc(stringbuf, stringbuf_len_alloc); + } + + memcpy(stringbuf + stringbuf_len, str, len); + stringbuf_len += len; +} + + + + +#line 759 "lexyy.c" + +#define INITIAL 0 +#define comment 1 +#define quoted 2 +#define id 3 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +UNIV_INTERN int yylex (void); + +#define YY_DECL UNIV_INTERN int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 92 "pars0lex.l" + + +#line 914 "lexyy.c" + + if ( (yy_init) ) + { + (yy_init) = 0; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 399 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_current_state != 398 ); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 94 "pars0lex.l" +{ + yylval = sym_tab_add_int_lit(pars_sym_tab_global, + atoi(yytext)); + return(PARS_INT_LIT); +} + YY_BREAK +case 2: +YY_RULE_SETUP +#line 100 "pars0lex.l" +{ + ut_error; /* not implemented */ + + return(PARS_FLOAT_LIT); +} + YY_BREAK +case 3: +YY_RULE_SETUP +#line 106 "pars0lex.l" +{ + ulint type; + + yylval = sym_tab_add_bound_lit(pars_sym_tab_global, + yytext + 1, &type); + + return((int) type); +} + YY_BREAK +case 4: +YY_RULE_SETUP +#line 115 "pars0lex.l" +{ + yylval = sym_tab_add_bound_id(pars_sym_tab_global, + yytext + 1); + + return(PARS_ID_TOKEN); +} + YY_BREAK +case 5: +YY_RULE_SETUP +#line 122 "pars0lex.l" +{ +/* Quoted character string literals are handled in an explicit +start state 'quoted'. This state is entered and the buffer for +the scanned string is emptied upon encountering a starting quote. + +In the state 'quoted', only two actions are possible (defined below). */ + BEGIN(quoted); + stringbuf_len = 0; +} + YY_BREAK +case 6: +/* rule 6 can match eol */ +YY_RULE_SETUP +#line 131 "pars0lex.l" +{ + /* Got a sequence of characters other than "'": + append to string buffer */ + string_append(yytext, yyleng); +} + YY_BREAK +case 7: +YY_RULE_SETUP +#line 136 "pars0lex.l" +{ + /* Got a sequence of "'" characters: + append half of them to string buffer, + as "''" represents a single "'". + We apply truncating division, + so that "'''" will result in "'". */ + + string_append(yytext, yyleng / 2); + + /* If we got an odd number of quotes, then the + last quote we got is the terminating quote. + At the end of the string, we return to the + initial start state and report the scanned + string literal. */ + + if (yyleng % 2) { + BEGIN(INITIAL); + yylval = sym_tab_add_str_lit( + pars_sym_tab_global, + (byte*) stringbuf, stringbuf_len); + return(PARS_STR_LIT); + } +} + YY_BREAK +case 8: +YY_RULE_SETUP +#line 160 "pars0lex.l" +{ +/* Quoted identifiers are handled in an explicit start state 'id'. +This state is entered and the buffer for the scanned string is emptied +upon encountering a starting quote. + +In the state 'id', only two actions are possible (defined below). */ + BEGIN(id); + stringbuf_len = 0; +} + YY_BREAK +case 9: +/* rule 9 can match eol */ +YY_RULE_SETUP +#line 169 "pars0lex.l" +{ + /* Got a sequence of characters other than '"': + append to string buffer */ + string_append(yytext, yyleng); +} + YY_BREAK +case 10: +YY_RULE_SETUP +#line 174 "pars0lex.l" +{ + /* Got a sequence of '"' characters: + append half of them to string buffer, + as '""' represents a single '"'. + We apply truncating division, + so that '"""' will result in '"'. */ + + string_append(yytext, yyleng / 2); + + /* If we got an odd number of quotes, then the + last quote we got is the terminating quote. + At the end of the string, we return to the + initial start state and report the scanned + identifier. */ + + if (yyleng % 2) { + BEGIN(INITIAL); + yylval = sym_tab_add_id( + pars_sym_tab_global, + (byte*) stringbuf, stringbuf_len); + + return(PARS_ID_TOKEN); + } +} + YY_BREAK +case 11: +YY_RULE_SETUP +#line 199 "pars0lex.l" +{ + yylval = sym_tab_add_null_lit(pars_sym_tab_global); + + return(PARS_NULL_LIT); +} + YY_BREAK +case 12: +YY_RULE_SETUP +#line 205 "pars0lex.l" +{ + /* Implicit cursor name */ + yylval = sym_tab_add_str_lit(pars_sym_tab_global, + (byte*) yytext, yyleng); + return(PARS_SQL_TOKEN); +} + YY_BREAK +case 13: +YY_RULE_SETUP +#line 212 "pars0lex.l" +{ + return(PARS_AND_TOKEN); +} + YY_BREAK +case 14: +YY_RULE_SETUP +#line 216 "pars0lex.l" +{ + return(PARS_OR_TOKEN); +} + YY_BREAK +case 15: +YY_RULE_SETUP +#line 220 "pars0lex.l" +{ + return(PARS_NOT_TOKEN); +} + YY_BREAK +case 16: +YY_RULE_SETUP +#line 224 "pars0lex.l" +{ + return(PARS_PROCEDURE_TOKEN); +} + YY_BREAK +case 17: +YY_RULE_SETUP +#line 228 "pars0lex.l" +{ + return(PARS_IN_TOKEN); +} + YY_BREAK +case 18: +YY_RULE_SETUP +#line 232 "pars0lex.l" +{ + return(PARS_OUT_TOKEN); +} + YY_BREAK +case 19: +YY_RULE_SETUP +#line 236 "pars0lex.l" +{ + return(PARS_BINARY_TOKEN); +} + YY_BREAK +case 20: +YY_RULE_SETUP +#line 240 "pars0lex.l" +{ + return(PARS_BLOB_TOKEN); +} + YY_BREAK +case 21: +YY_RULE_SETUP +#line 244 "pars0lex.l" +{ + return(PARS_INT_TOKEN); +} + YY_BREAK +case 22: +YY_RULE_SETUP +#line 248 "pars0lex.l" +{ + return(PARS_INT_TOKEN); +} + YY_BREAK +case 23: +YY_RULE_SETUP +#line 252 "pars0lex.l" +{ + return(PARS_FLOAT_TOKEN); +} + YY_BREAK +case 24: +YY_RULE_SETUP +#line 256 "pars0lex.l" +{ + return(PARS_CHAR_TOKEN); +} + YY_BREAK +case 25: +YY_RULE_SETUP +#line 260 "pars0lex.l" +{ + return(PARS_IS_TOKEN); +} + YY_BREAK +case 26: +YY_RULE_SETUP +#line 264 "pars0lex.l" +{ + return(PARS_BEGIN_TOKEN); +} + YY_BREAK +case 27: +YY_RULE_SETUP +#line 268 "pars0lex.l" +{ + return(PARS_END_TOKEN); +} + YY_BREAK +case 28: +YY_RULE_SETUP +#line 272 "pars0lex.l" +{ + return(PARS_IF_TOKEN); +} + YY_BREAK +case 29: +YY_RULE_SETUP +#line 276 "pars0lex.l" +{ + return(PARS_THEN_TOKEN); +} + YY_BREAK +case 30: +YY_RULE_SETUP +#line 280 "pars0lex.l" +{ + return(PARS_ELSE_TOKEN); +} + YY_BREAK +case 31: +YY_RULE_SETUP +#line 284 "pars0lex.l" +{ + return(PARS_ELSIF_TOKEN); +} + YY_BREAK +case 32: +YY_RULE_SETUP +#line 288 "pars0lex.l" +{ + return(PARS_LOOP_TOKEN); +} + YY_BREAK +case 33: +YY_RULE_SETUP +#line 292 "pars0lex.l" +{ + return(PARS_WHILE_TOKEN); +} + YY_BREAK +case 34: +YY_RULE_SETUP +#line 296 "pars0lex.l" +{ + return(PARS_RETURN_TOKEN); +} + YY_BREAK +case 35: +YY_RULE_SETUP +#line 300 "pars0lex.l" +{ + return(PARS_SELECT_TOKEN); +} + YY_BREAK +case 36: +YY_RULE_SETUP +#line 304 "pars0lex.l" +{ + return(PARS_SUM_TOKEN); +} + YY_BREAK +case 37: +YY_RULE_SETUP +#line 308 "pars0lex.l" +{ + return(PARS_COUNT_TOKEN); +} + YY_BREAK +case 38: +YY_RULE_SETUP +#line 312 "pars0lex.l" +{ + return(PARS_DISTINCT_TOKEN); +} + YY_BREAK +case 39: +YY_RULE_SETUP +#line 316 "pars0lex.l" +{ + return(PARS_FROM_TOKEN); +} + YY_BREAK +case 40: +YY_RULE_SETUP +#line 320 "pars0lex.l" +{ + return(PARS_WHERE_TOKEN); +} + YY_BREAK +case 41: +YY_RULE_SETUP +#line 324 "pars0lex.l" +{ + return(PARS_FOR_TOKEN); +} + YY_BREAK +case 42: +YY_RULE_SETUP +#line 328 "pars0lex.l" +{ + return(PARS_READ_TOKEN); +} + YY_BREAK +case 43: +YY_RULE_SETUP +#line 332 "pars0lex.l" +{ + return(PARS_ORDER_TOKEN); +} + YY_BREAK +case 44: +YY_RULE_SETUP +#line 336 "pars0lex.l" +{ + return(PARS_BY_TOKEN); +} + YY_BREAK +case 45: +YY_RULE_SETUP +#line 340 "pars0lex.l" +{ + return(PARS_ASC_TOKEN); +} + YY_BREAK +case 46: +YY_RULE_SETUP +#line 344 "pars0lex.l" +{ + return(PARS_DESC_TOKEN); +} + YY_BREAK +case 47: +YY_RULE_SETUP +#line 348 "pars0lex.l" +{ + return(PARS_INSERT_TOKEN); +} + YY_BREAK +case 48: +YY_RULE_SETUP +#line 352 "pars0lex.l" +{ + return(PARS_INTO_TOKEN); +} + YY_BREAK +case 49: +YY_RULE_SETUP +#line 356 "pars0lex.l" +{ + return(PARS_VALUES_TOKEN); +} + YY_BREAK +case 50: +YY_RULE_SETUP +#line 360 "pars0lex.l" +{ + return(PARS_UPDATE_TOKEN); +} + YY_BREAK +case 51: +YY_RULE_SETUP +#line 364 "pars0lex.l" +{ + return(PARS_SET_TOKEN); +} + YY_BREAK +case 52: +YY_RULE_SETUP +#line 368 "pars0lex.l" +{ + return(PARS_DELETE_TOKEN); +} + YY_BREAK +case 53: +YY_RULE_SETUP +#line 372 "pars0lex.l" +{ + return(PARS_CURRENT_TOKEN); +} + YY_BREAK +case 54: +YY_RULE_SETUP +#line 376 "pars0lex.l" +{ + return(PARS_OF_TOKEN); +} + YY_BREAK +case 55: +YY_RULE_SETUP +#line 380 "pars0lex.l" +{ + return(PARS_CREATE_TOKEN); +} + YY_BREAK +case 56: +YY_RULE_SETUP +#line 384 "pars0lex.l" +{ + return(PARS_TABLE_TOKEN); +} + YY_BREAK +case 57: +YY_RULE_SETUP +#line 388 "pars0lex.l" +{ + return(PARS_INDEX_TOKEN); +} + YY_BREAK +case 58: +YY_RULE_SETUP +#line 392 "pars0lex.l" +{ + return(PARS_UNIQUE_TOKEN); +} + YY_BREAK +case 59: +YY_RULE_SETUP +#line 396 "pars0lex.l" +{ + return(PARS_CLUSTERED_TOKEN); +} + YY_BREAK +case 60: +YY_RULE_SETUP +#line 400 "pars0lex.l" +{ + return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); +} + YY_BREAK +case 61: +YY_RULE_SETUP +#line 404 "pars0lex.l" +{ + return(PARS_ON_TOKEN); +} + YY_BREAK +case 62: +YY_RULE_SETUP +#line 408 "pars0lex.l" +{ + return(PARS_DECLARE_TOKEN); +} + YY_BREAK +case 63: +YY_RULE_SETUP +#line 412 "pars0lex.l" +{ + return(PARS_CURSOR_TOKEN); +} + YY_BREAK +case 64: +YY_RULE_SETUP +#line 416 "pars0lex.l" +{ + return(PARS_OPEN_TOKEN); +} + YY_BREAK +case 65: +YY_RULE_SETUP +#line 420 "pars0lex.l" +{ + return(PARS_FETCH_TOKEN); +} + YY_BREAK +case 66: +YY_RULE_SETUP +#line 424 "pars0lex.l" +{ + return(PARS_CLOSE_TOKEN); +} + YY_BREAK +case 67: +YY_RULE_SETUP +#line 428 "pars0lex.l" +{ + return(PARS_NOTFOUND_TOKEN); +} + YY_BREAK +case 68: +YY_RULE_SETUP +#line 432 "pars0lex.l" +{ + return(PARS_TO_CHAR_TOKEN); +} + YY_BREAK +case 69: +YY_RULE_SETUP +#line 436 "pars0lex.l" +{ + return(PARS_TO_NUMBER_TOKEN); +} + YY_BREAK +case 70: +YY_RULE_SETUP +#line 440 "pars0lex.l" +{ + return(PARS_TO_BINARY_TOKEN); +} + YY_BREAK +case 71: +YY_RULE_SETUP +#line 444 "pars0lex.l" +{ + return(PARS_BINARY_TO_NUMBER_TOKEN); +} + YY_BREAK +case 72: +YY_RULE_SETUP +#line 448 "pars0lex.l" +{ + return(PARS_SUBSTR_TOKEN); +} + YY_BREAK +case 73: +YY_RULE_SETUP +#line 452 "pars0lex.l" +{ + return(PARS_REPLSTR_TOKEN); +} + YY_BREAK +case 74: +YY_RULE_SETUP +#line 456 "pars0lex.l" +{ + return(PARS_CONCAT_TOKEN); +} + YY_BREAK +case 75: +YY_RULE_SETUP +#line 460 "pars0lex.l" +{ + return(PARS_INSTR_TOKEN); +} + YY_BREAK +case 76: +YY_RULE_SETUP +#line 464 "pars0lex.l" +{ + return(PARS_LENGTH_TOKEN); +} + YY_BREAK +case 77: +YY_RULE_SETUP +#line 468 "pars0lex.l" +{ + return(PARS_SYSDATE_TOKEN); +} + YY_BREAK +case 78: +YY_RULE_SETUP +#line 472 "pars0lex.l" +{ + return(PARS_PRINTF_TOKEN); +} + YY_BREAK +case 79: +YY_RULE_SETUP +#line 476 "pars0lex.l" +{ + return(PARS_ASSERT_TOKEN); +} + YY_BREAK +case 80: +YY_RULE_SETUP +#line 480 "pars0lex.l" +{ + return(PARS_RND_TOKEN); +} + YY_BREAK +case 81: +YY_RULE_SETUP +#line 484 "pars0lex.l" +{ + return(PARS_RND_STR_TOKEN); +} + YY_BREAK +case 82: +YY_RULE_SETUP +#line 488 "pars0lex.l" +{ + return(PARS_ROW_PRINTF_TOKEN); +} + YY_BREAK +case 83: +YY_RULE_SETUP +#line 492 "pars0lex.l" +{ + return(PARS_COMMIT_TOKEN); +} + YY_BREAK +case 84: +YY_RULE_SETUP +#line 496 "pars0lex.l" +{ + return(PARS_ROLLBACK_TOKEN); +} + YY_BREAK +case 85: +YY_RULE_SETUP +#line 500 "pars0lex.l" +{ + return(PARS_WORK_TOKEN); +} + YY_BREAK +case 86: +YY_RULE_SETUP +#line 504 "pars0lex.l" +{ + return(PARS_UNSIGNED_TOKEN); +} + YY_BREAK +case 87: +YY_RULE_SETUP +#line 508 "pars0lex.l" +{ + return(PARS_EXIT_TOKEN); +} + YY_BREAK +case 88: +YY_RULE_SETUP +#line 512 "pars0lex.l" +{ + return(PARS_FUNCTION_TOKEN); +} + YY_BREAK +case 89: +YY_RULE_SETUP +#line 516 "pars0lex.l" +{ + return(PARS_LOCK_TOKEN); +} + YY_BREAK +case 90: +YY_RULE_SETUP +#line 520 "pars0lex.l" +{ + return(PARS_SHARE_TOKEN); +} + YY_BREAK +case 91: +YY_RULE_SETUP +#line 524 "pars0lex.l" +{ + return(PARS_MODE_TOKEN); +} + YY_BREAK +case 92: +YY_RULE_SETUP +#line 528 "pars0lex.l" +{ + yylval = sym_tab_add_id(pars_sym_tab_global, + (byte*)yytext, + ut_strlen(yytext)); + return(PARS_ID_TOKEN); +} + YY_BREAK +case 93: +YY_RULE_SETUP +#line 535 "pars0lex.l" +{ + return(PARS_DDOT_TOKEN); +} + YY_BREAK +case 94: +YY_RULE_SETUP +#line 539 "pars0lex.l" +{ + return(PARS_ASSIGN_TOKEN); +} + YY_BREAK +case 95: +YY_RULE_SETUP +#line 543 "pars0lex.l" +{ + return(PARS_LE_TOKEN); +} + YY_BREAK +case 96: +YY_RULE_SETUP +#line 547 "pars0lex.l" +{ + return(PARS_GE_TOKEN); +} + YY_BREAK +case 97: +YY_RULE_SETUP +#line 551 "pars0lex.l" +{ + return(PARS_NE_TOKEN); +} + YY_BREAK +case 98: +YY_RULE_SETUP +#line 555 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 99: +YY_RULE_SETUP +#line 560 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 100: +YY_RULE_SETUP +#line 565 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 101: +YY_RULE_SETUP +#line 570 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 102: +YY_RULE_SETUP +#line 575 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 103: +YY_RULE_SETUP +#line 580 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 104: +YY_RULE_SETUP +#line 585 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 105: +YY_RULE_SETUP +#line 590 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 106: +YY_RULE_SETUP +#line 595 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 107: +YY_RULE_SETUP +#line 600 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 108: +YY_RULE_SETUP +#line 605 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 109: +YY_RULE_SETUP +#line 610 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 110: +YY_RULE_SETUP +#line 615 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 111: +YY_RULE_SETUP +#line 620 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 112: +YY_RULE_SETUP +#line 625 "pars0lex.l" +{ + + return((int)(*yytext)); +} + YY_BREAK +case 113: +YY_RULE_SETUP +#line 630 "pars0lex.l" +BEGIN(comment); /* eat up comment */ + YY_BREAK +case 114: +/* rule 114 can match eol */ +YY_RULE_SETUP +#line 632 "pars0lex.l" + + YY_BREAK +case 115: +/* rule 115 can match eol */ +YY_RULE_SETUP +#line 633 "pars0lex.l" + + YY_BREAK +case 116: +YY_RULE_SETUP +#line 634 "pars0lex.l" +BEGIN(INITIAL); + YY_BREAK +case 117: +/* rule 117 can match eol */ +YY_RULE_SETUP +#line 636 "pars0lex.l" +/* eat up whitespace */ + YY_BREAK +case 118: +YY_RULE_SETUP +#line 639 "pars0lex.l" +{ + fprintf(stderr,"Unrecognized character: %02x\n", + *yytext); + + ut_error; + + return(0); +} + YY_BREAK +case 119: +YY_RULE_SETUP +#line 648 "pars0lex.l" +YY_FATAL_ERROR( "flex scanner jammed" ); + YY_BREAK +#line 1916 "lexyy.c" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(comment): +case YY_STATE_EOF(quoted): +case YY_STATE_EOF(id): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 399 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 399 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 398); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (int)((yy_c_buf_p) - (yytext_ptr)); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + static void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + __attribute__((unused)) static void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + static YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + static void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + static void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +__attribute__((unused)) static void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +__attribute__((unused)) static void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +__attribute__((unused)) static int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +__attribute__((unused)) static FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +__attribute__((unused)) static FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +__attribute__((unused)) static int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +__attribute__((unused)) static char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +__attribute__((unused)) static void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +__attribute__((unused)) static void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +__attribute__((unused)) static void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +__attribute__((unused)) static int yyget_debug (void) +{ + return yy_flex_debug; +} + +__attribute__((unused)) static void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +__attribute__((unused)) static int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +static void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +static void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +static void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#undef YY_NEW_FILE +#undef YY_FLUSH_BUFFER +#undef yy_set_bol +#undef yy_new_buffer +#undef yy_set_interactive +#undef yytext_ptr +#undef YY_DO_BEFORE_ACTION + +#ifdef YY_DECL_IS_OURS +#undef YY_DECL_IS_OURS +#undef YY_DECL +#endif +#line 648 "pars0lex.l" + + + + +/********************************************************************** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void) +/*==================*/ +{ + yylex_destroy(); + free(stringbuf); + stringbuf = NULL; + stringbuf_len_alloc = stringbuf_len = 0; +} diff --git a/perfschema/pars/make_bison.sh b/perfschema/pars/make_bison.sh new file mode 100755 index 00000000000..09bb86e3106 --- /dev/null +++ b/perfschema/pars/make_bison.sh @@ -0,0 +1,32 @@ +#!/bin/bash +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# +# generate parser files from bison input files. + +set -eu +TMPFILE=pars0grm.tab.c +OUTFILE=pars0grm.c + +bison -d pars0grm.y +mv pars0grm.tab.h ../include/pars0grm.h + +sed -e ' +s/'"$TMPFILE"'/'"$OUTFILE"'/; +s/^\(\(YYSTYPE\|int\) yy\(char\|nerrs\)\)/static \1/; +s/\(\(YYSTYPE\|int\) yy\(lval\|parse\)\)/UNIV_INTERN \1/; +' < "$TMPFILE" > "$OUTFILE" + +rm "$TMPFILE" diff --git a/perfschema/pars/make_flex.sh b/perfschema/pars/make_flex.sh new file mode 100755 index 00000000000..89308a6636f --- /dev/null +++ b/perfschema/pars/make_flex.sh @@ -0,0 +1,48 @@ +#!/bin/bash +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# +# generate lexer files from flex input files. + +set -eu + +TMPFILE=_flex_tmp.c +OUTFILE=lexyy.c + +flex -o $TMPFILE pars0lex.l + +# AIX needs its includes done in a certain order, so include "univ.i" first +# to be sure we get it right. +echo '#include "univ.i"' > $OUTFILE + +# flex assigns a pointer to an int in one place without a cast, resulting in +# a warning on Win64. Add the cast. Also define some symbols as static. +sed -e ' +s/'"$TMPFILE"'/'"$OUTFILE"'/; +s/\(int offset = \)\((yy_c_buf_p) - (yytext_ptr)\);/\1(int)(\2);/; +s/\(void yy\(restart\|_\(delete\|flush\)_buffer\)\)/static \1/; +s/\(void yy_switch_to_buffer\)/__attribute__((unused)) static \1/; +s/\(void yy\(push\|pop\)_buffer_state\)/__attribute__((unused)) static \1/; +s/\(YY_BUFFER_STATE yy_create_buffer\)/static \1/; +s/\(\(int\|void\) yy[gs]et_\)/__attribute__((unused)) static \1/; +s/\(void \*\?yy\(\(re\)\?alloc\|free\)\)/static \1/; +s/\(extern \)\?\(int yy\(leng\|lineno\|_flex_debug\)\)/static \2/; +s/\(int yylex_destroy\)/__attribute__((unused)) static \1/; +s/\(extern \)\?\(int yylex \)/UNIV_INTERN \2/; +s/^\(\(FILE\|char\) *\* *yyget\)/__attribute__((unused)) static \1/; +s/^\(extern \)\?\(\(FILE\|char\) *\* *yy\)/static \2/; +' < $TMPFILE >> $OUTFILE + +rm $TMPFILE diff --git a/perfschema/pars/pars0grm.c b/perfschema/pars/pars0grm.c new file mode 100644 index 00000000000..d667970735e --- /dev/null +++ b/perfschema/pars/pars0grm.c @@ -0,0 +1,2601 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software +Foundation, Inc. + +As a special exception, when this file is copied by Bison into a +Bison output file, you may use that output file without restriction. +This special exception was added by the Free Software Foundation +in version 1.24 of Bison. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/* A Bison parser, made by GNU Bison 2.0. */ + +/* Written by Richard Stallman by simplifying the original so called + ``semantic'' parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PARS_INT_LIT = 258, + PARS_FLOAT_LIT = 259, + PARS_STR_LIT = 260, + PARS_FIXBINARY_LIT = 261, + PARS_BLOB_LIT = 262, + PARS_NULL_LIT = 263, + PARS_ID_TOKEN = 264, + PARS_AND_TOKEN = 265, + PARS_OR_TOKEN = 266, + PARS_NOT_TOKEN = 267, + PARS_GE_TOKEN = 268, + PARS_LE_TOKEN = 269, + PARS_NE_TOKEN = 270, + PARS_PROCEDURE_TOKEN = 271, + PARS_IN_TOKEN = 272, + PARS_OUT_TOKEN = 273, + PARS_BINARY_TOKEN = 274, + PARS_BLOB_TOKEN = 275, + PARS_INT_TOKEN = 276, + PARS_INTEGER_TOKEN = 277, + PARS_FLOAT_TOKEN = 278, + PARS_CHAR_TOKEN = 279, + PARS_IS_TOKEN = 280, + PARS_BEGIN_TOKEN = 281, + PARS_END_TOKEN = 282, + PARS_IF_TOKEN = 283, + PARS_THEN_TOKEN = 284, + PARS_ELSE_TOKEN = 285, + PARS_ELSIF_TOKEN = 286, + PARS_LOOP_TOKEN = 287, + PARS_WHILE_TOKEN = 288, + PARS_RETURN_TOKEN = 289, + PARS_SELECT_TOKEN = 290, + PARS_SUM_TOKEN = 291, + PARS_COUNT_TOKEN = 292, + PARS_DISTINCT_TOKEN = 293, + PARS_FROM_TOKEN = 294, + PARS_WHERE_TOKEN = 295, + PARS_FOR_TOKEN = 296, + PARS_DDOT_TOKEN = 297, + PARS_READ_TOKEN = 298, + PARS_ORDER_TOKEN = 299, + PARS_BY_TOKEN = 300, + PARS_ASC_TOKEN = 301, + PARS_DESC_TOKEN = 302, + PARS_INSERT_TOKEN = 303, + PARS_INTO_TOKEN = 304, + PARS_VALUES_TOKEN = 305, + PARS_UPDATE_TOKEN = 306, + PARS_SET_TOKEN = 307, + PARS_DELETE_TOKEN = 308, + PARS_CURRENT_TOKEN = 309, + PARS_OF_TOKEN = 310, + PARS_CREATE_TOKEN = 311, + PARS_TABLE_TOKEN = 312, + PARS_INDEX_TOKEN = 313, + PARS_UNIQUE_TOKEN = 314, + PARS_CLUSTERED_TOKEN = 315, + PARS_DOES_NOT_FIT_IN_MEM_TOKEN = 316, + PARS_ON_TOKEN = 317, + PARS_ASSIGN_TOKEN = 318, + PARS_DECLARE_TOKEN = 319, + PARS_CURSOR_TOKEN = 320, + PARS_SQL_TOKEN = 321, + PARS_OPEN_TOKEN = 322, + PARS_FETCH_TOKEN = 323, + PARS_CLOSE_TOKEN = 324, + PARS_NOTFOUND_TOKEN = 325, + PARS_TO_CHAR_TOKEN = 326, + PARS_TO_NUMBER_TOKEN = 327, + PARS_TO_BINARY_TOKEN = 328, + PARS_BINARY_TO_NUMBER_TOKEN = 329, + PARS_SUBSTR_TOKEN = 330, + PARS_REPLSTR_TOKEN = 331, + PARS_CONCAT_TOKEN = 332, + PARS_INSTR_TOKEN = 333, + PARS_LENGTH_TOKEN = 334, + PARS_SYSDATE_TOKEN = 335, + PARS_PRINTF_TOKEN = 336, + PARS_ASSERT_TOKEN = 337, + PARS_RND_TOKEN = 338, + PARS_RND_STR_TOKEN = 339, + PARS_ROW_PRINTF_TOKEN = 340, + PARS_COMMIT_TOKEN = 341, + PARS_ROLLBACK_TOKEN = 342, + PARS_WORK_TOKEN = 343, + PARS_UNSIGNED_TOKEN = 344, + PARS_EXIT_TOKEN = 345, + PARS_FUNCTION_TOKEN = 346, + PARS_LOCK_TOKEN = 347, + PARS_SHARE_TOKEN = 348, + PARS_MODE_TOKEN = 349, + NEG = 350 + }; +#endif +#define PARS_INT_LIT 258 +#define PARS_FLOAT_LIT 259 +#define PARS_STR_LIT 260 +#define PARS_FIXBINARY_LIT 261 +#define PARS_BLOB_LIT 262 +#define PARS_NULL_LIT 263 +#define PARS_ID_TOKEN 264 +#define PARS_AND_TOKEN 265 +#define PARS_OR_TOKEN 266 +#define PARS_NOT_TOKEN 267 +#define PARS_GE_TOKEN 268 +#define PARS_LE_TOKEN 269 +#define PARS_NE_TOKEN 270 +#define PARS_PROCEDURE_TOKEN 271 +#define PARS_IN_TOKEN 272 +#define PARS_OUT_TOKEN 273 +#define PARS_BINARY_TOKEN 274 +#define PARS_BLOB_TOKEN 275 +#define PARS_INT_TOKEN 276 +#define PARS_INTEGER_TOKEN 277 +#define PARS_FLOAT_TOKEN 278 +#define PARS_CHAR_TOKEN 279 +#define PARS_IS_TOKEN 280 +#define PARS_BEGIN_TOKEN 281 +#define PARS_END_TOKEN 282 +#define PARS_IF_TOKEN 283 +#define PARS_THEN_TOKEN 284 +#define PARS_ELSE_TOKEN 285 +#define PARS_ELSIF_TOKEN 286 +#define PARS_LOOP_TOKEN 287 +#define PARS_WHILE_TOKEN 288 +#define PARS_RETURN_TOKEN 289 +#define PARS_SELECT_TOKEN 290 +#define PARS_SUM_TOKEN 291 +#define PARS_COUNT_TOKEN 292 +#define PARS_DISTINCT_TOKEN 293 +#define PARS_FROM_TOKEN 294 +#define PARS_WHERE_TOKEN 295 +#define PARS_FOR_TOKEN 296 +#define PARS_DDOT_TOKEN 297 +#define PARS_READ_TOKEN 298 +#define PARS_ORDER_TOKEN 299 +#define PARS_BY_TOKEN 300 +#define PARS_ASC_TOKEN 301 +#define PARS_DESC_TOKEN 302 +#define PARS_INSERT_TOKEN 303 +#define PARS_INTO_TOKEN 304 +#define PARS_VALUES_TOKEN 305 +#define PARS_UPDATE_TOKEN 306 +#define PARS_SET_TOKEN 307 +#define PARS_DELETE_TOKEN 308 +#define PARS_CURRENT_TOKEN 309 +#define PARS_OF_TOKEN 310 +#define PARS_CREATE_TOKEN 311 +#define PARS_TABLE_TOKEN 312 +#define PARS_INDEX_TOKEN 313 +#define PARS_UNIQUE_TOKEN 314 +#define PARS_CLUSTERED_TOKEN 315 +#define PARS_DOES_NOT_FIT_IN_MEM_TOKEN 316 +#define PARS_ON_TOKEN 317 +#define PARS_ASSIGN_TOKEN 318 +#define PARS_DECLARE_TOKEN 319 +#define PARS_CURSOR_TOKEN 320 +#define PARS_SQL_TOKEN 321 +#define PARS_OPEN_TOKEN 322 +#define PARS_FETCH_TOKEN 323 +#define PARS_CLOSE_TOKEN 324 +#define PARS_NOTFOUND_TOKEN 325 +#define PARS_TO_CHAR_TOKEN 326 +#define PARS_TO_NUMBER_TOKEN 327 +#define PARS_TO_BINARY_TOKEN 328 +#define PARS_BINARY_TO_NUMBER_TOKEN 329 +#define PARS_SUBSTR_TOKEN 330 +#define PARS_REPLSTR_TOKEN 331 +#define PARS_CONCAT_TOKEN 332 +#define PARS_INSTR_TOKEN 333 +#define PARS_LENGTH_TOKEN 334 +#define PARS_SYSDATE_TOKEN 335 +#define PARS_PRINTF_TOKEN 336 +#define PARS_ASSERT_TOKEN 337 +#define PARS_RND_TOKEN 338 +#define PARS_RND_STR_TOKEN 339 +#define PARS_ROW_PRINTF_TOKEN 340 +#define PARS_COMMIT_TOKEN 341 +#define PARS_ROLLBACK_TOKEN 342 +#define PARS_WORK_TOKEN 343 +#define PARS_UNSIGNED_TOKEN 344 +#define PARS_EXIT_TOKEN 345 +#define PARS_FUNCTION_TOKEN 346 +#define PARS_LOCK_TOKEN 347 +#define PARS_SHARE_TOKEN 348 +#define PARS_MODE_TOKEN 349 +#define NEG 350 + + + + +/* Copy the first part of user declarations. */ +#line 13 "pars0grm.y" + +/* The value of the semantic attribute is a pointer to a query tree node +que_node_t */ + +#include "univ.i" +#include /* Can't be before univ.i */ +#include "pars0pars.h" +#include "mem0mem.h" +#include "que0types.h" +#include "que0que.h" +#include "row0sel.h" + +#define YYSTYPE que_node_t* + +/* #define __STDC__ */ + +int +yylex(void); + + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +typedef int YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + + + +/* Copy the second part of user declarations. */ + + +/* Line 213 of yacc.c. */ +#line 297 "pars0grm.c" + +#if ! defined (yyoverflow) || YYERROR_VERBOSE + +# ifndef YYFREE +# define YYFREE free +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# endif + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# else +# define YYSTACK_ALLOC alloca +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# if defined (__STDC__) || defined (__cplusplus) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# endif +#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ + + +#if (! defined (yyoverflow) \ + && (! defined (__cplusplus) \ + || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short int yyss; + YYSTYPE yyvs; + }; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined (__GNUC__) && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + register YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (0) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack, Stack, yysize); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined (__STDC__) || defined (__cplusplus) + typedef signed char yysigned_char; +#else + typedef short int yysigned_char; +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 5 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 752 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 111 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 70 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 175 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 339 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 350 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const unsigned char yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 103, 2, 2, + 105, 106, 100, 99, 108, 98, 2, 101, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 104, + 96, 95, 97, 107, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 109, 2, 110, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, + 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, + 102 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const unsigned short int yyprhs[] = +{ + 0, 0, 3, 6, 8, 11, 14, 17, 20, 23, + 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, + 56, 59, 62, 65, 68, 71, 73, 76, 78, 83, + 85, 87, 89, 91, 93, 95, 97, 101, 105, 109, + 113, 116, 120, 124, 128, 132, 136, 140, 144, 148, + 152, 155, 159, 163, 165, 167, 169, 171, 173, 175, + 177, 179, 181, 183, 185, 186, 188, 192, 199, 204, + 206, 208, 210, 214, 216, 220, 221, 223, 227, 228, + 230, 234, 236, 241, 247, 252, 253, 255, 259, 261, + 265, 267, 268, 271, 272, 275, 276, 281, 282, 284, + 286, 287, 292, 301, 305, 311, 314, 318, 320, 324, + 329, 334, 337, 340, 344, 347, 350, 353, 357, 362, + 364, 367, 368, 371, 373, 381, 388, 399, 401, 403, + 406, 409, 414, 419, 425, 427, 431, 432, 436, 437, + 439, 440, 443, 444, 446, 454, 456, 460, 461, 463, + 464, 466, 477, 480, 483, 485, 487, 489, 491, 493, + 497, 501, 502, 504, 508, 512, 513, 515, 518, 525, + 530, 532, 534, 535, 537, 540 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const short int yyrhs[] = +{ + 112, 0, -1, 180, 104, -1, 118, -1, 119, 104, + -1, 151, 104, -1, 152, 104, -1, 153, 104, -1, + 150, 104, -1, 154, 104, -1, 146, 104, -1, 133, + 104, -1, 135, 104, -1, 145, 104, -1, 143, 104, + -1, 144, 104, -1, 140, 104, -1, 141, 104, -1, + 155, 104, -1, 157, 104, -1, 156, 104, -1, 169, + 104, -1, 170, 104, -1, 164, 104, -1, 168, 104, + -1, 113, -1, 114, 113, -1, 9, -1, 116, 105, + 124, 106, -1, 3, -1, 4, -1, 5, -1, 6, + -1, 7, -1, 8, -1, 66, -1, 115, 99, 115, + -1, 115, 98, 115, -1, 115, 100, 115, -1, 115, + 101, 115, -1, 98, 115, -1, 105, 115, 106, -1, + 115, 95, 115, -1, 115, 96, 115, -1, 115, 97, + 115, -1, 115, 13, 115, -1, 115, 14, 115, -1, + 115, 15, 115, -1, 115, 10, 115, -1, 115, 11, + 115, -1, 12, 115, -1, 9, 103, 70, -1, 66, + 103, 70, -1, 71, -1, 72, -1, 73, -1, 74, + -1, 75, -1, 77, -1, 78, -1, 79, -1, 80, + -1, 83, -1, 84, -1, -1, 107, -1, 117, 108, + 107, -1, 109, 9, 105, 117, 106, 110, -1, 120, + 105, 124, 106, -1, 76, -1, 81, -1, 82, -1, + 9, 105, 106, -1, 9, -1, 122, 108, 9, -1, + -1, 9, -1, 123, 108, 9, -1, -1, 115, -1, + 124, 108, 115, -1, 115, -1, 37, 105, 100, 106, + -1, 37, 105, 38, 9, 106, -1, 36, 105, 115, + 106, -1, -1, 125, -1, 126, 108, 125, -1, 100, + -1, 126, 49, 123, -1, 126, -1, -1, 40, 115, + -1, -1, 41, 51, -1, -1, 92, 17, 93, 94, + -1, -1, 46, -1, 47, -1, -1, 44, 45, 9, + 131, -1, 35, 127, 39, 122, 128, 129, 130, 132, + -1, 48, 49, 9, -1, 134, 50, 105, 124, 106, + -1, 134, 133, -1, 9, 95, 115, -1, 136, -1, + 137, 108, 136, -1, 40, 54, 55, 9, -1, 51, + 9, 52, 137, -1, 139, 128, -1, 139, 138, -1, + 53, 39, 9, -1, 142, 128, -1, 142, 138, -1, + 85, 133, -1, 9, 63, 115, -1, 31, 115, 29, + 114, -1, 147, -1, 148, 147, -1, -1, 30, 114, + -1, 148, -1, 28, 115, 29, 114, 149, 27, 28, + -1, 33, 115, 32, 114, 27, 32, -1, 41, 9, + 17, 115, 42, 115, 32, 114, 27, 32, -1, 90, + -1, 34, -1, 67, 9, -1, 69, 9, -1, 68, + 9, 49, 123, -1, 68, 9, 49, 121, -1, 9, + 171, 160, 161, 162, -1, 158, -1, 159, 108, 158, + -1, -1, 105, 3, 106, -1, -1, 89, -1, -1, + 12, 8, -1, -1, 61, -1, 56, 57, 9, 105, + 159, 106, 163, -1, 9, -1, 165, 108, 9, -1, + -1, 59, -1, -1, 60, -1, 56, 166, 167, 58, + 9, 62, 9, 105, 165, 106, -1, 86, 88, -1, + 87, 88, -1, 21, -1, 22, -1, 24, -1, 19, + -1, 20, -1, 9, 17, 171, -1, 9, 18, 171, + -1, -1, 172, -1, 173, 108, 172, -1, 9, 171, + 104, -1, -1, 174, -1, 175, 174, -1, 64, 65, + 9, 25, 133, 104, -1, 64, 91, 9, 104, -1, + 176, -1, 177, -1, -1, 178, -1, 179, 178, -1, + 16, 9, 105, 173, 106, 25, 175, 179, 26, 114, + 27, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const unsigned short int yyrline[] = +{ + 0, 138, 138, 141, 142, 143, 144, 145, 146, 147, + 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, + 158, 159, 160, 161, 162, 166, 167, 172, 173, 175, + 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, + 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, + 196, 197, 199, 204, 205, 206, 207, 209, 210, 211, + 212, 213, 214, 215, 218, 220, 221, 225, 230, 235, + 236, 237, 241, 245, 246, 251, 252, 253, 258, 259, + 260, 264, 265, 270, 276, 283, 284, 285, 290, 292, + 294, 298, 299, 303, 304, 309, 310, 315, 316, 317, + 321, 322, 327, 337, 342, 344, 349, 353, 354, 359, + 365, 372, 377, 382, 388, 393, 398, 403, 408, 414, + 415, 420, 421, 423, 427, 434, 440, 448, 452, 456, + 462, 468, 470, 475, 480, 481, 486, 487, 492, 493, + 499, 500, 506, 507, 513, 519, 520, 525, 526, 530, + 531, 535, 543, 548, 553, 554, 555, 556, 557, 561, + 564, 570, 571, 572, 577, 581, 583, 584, 588, 594, + 599, 600, 603, 605, 606, 610 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE +/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "PARS_INT_LIT", "PARS_FLOAT_LIT", + "PARS_STR_LIT", "PARS_FIXBINARY_LIT", "PARS_BLOB_LIT", "PARS_NULL_LIT", + "PARS_ID_TOKEN", "PARS_AND_TOKEN", "PARS_OR_TOKEN", "PARS_NOT_TOKEN", + "PARS_GE_TOKEN", "PARS_LE_TOKEN", "PARS_NE_TOKEN", + "PARS_PROCEDURE_TOKEN", "PARS_IN_TOKEN", "PARS_OUT_TOKEN", + "PARS_BINARY_TOKEN", "PARS_BLOB_TOKEN", "PARS_INT_TOKEN", + "PARS_INTEGER_TOKEN", "PARS_FLOAT_TOKEN", "PARS_CHAR_TOKEN", + "PARS_IS_TOKEN", "PARS_BEGIN_TOKEN", "PARS_END_TOKEN", "PARS_IF_TOKEN", + "PARS_THEN_TOKEN", "PARS_ELSE_TOKEN", "PARS_ELSIF_TOKEN", + "PARS_LOOP_TOKEN", "PARS_WHILE_TOKEN", "PARS_RETURN_TOKEN", + "PARS_SELECT_TOKEN", "PARS_SUM_TOKEN", "PARS_COUNT_TOKEN", + "PARS_DISTINCT_TOKEN", "PARS_FROM_TOKEN", "PARS_WHERE_TOKEN", + "PARS_FOR_TOKEN", "PARS_DDOT_TOKEN", "PARS_READ_TOKEN", + "PARS_ORDER_TOKEN", "PARS_BY_TOKEN", "PARS_ASC_TOKEN", "PARS_DESC_TOKEN", + "PARS_INSERT_TOKEN", "PARS_INTO_TOKEN", "PARS_VALUES_TOKEN", + "PARS_UPDATE_TOKEN", "PARS_SET_TOKEN", "PARS_DELETE_TOKEN", + "PARS_CURRENT_TOKEN", "PARS_OF_TOKEN", "PARS_CREATE_TOKEN", + "PARS_TABLE_TOKEN", "PARS_INDEX_TOKEN", "PARS_UNIQUE_TOKEN", + "PARS_CLUSTERED_TOKEN", "PARS_DOES_NOT_FIT_IN_MEM_TOKEN", + "PARS_ON_TOKEN", "PARS_ASSIGN_TOKEN", "PARS_DECLARE_TOKEN", + "PARS_CURSOR_TOKEN", "PARS_SQL_TOKEN", "PARS_OPEN_TOKEN", + "PARS_FETCH_TOKEN", "PARS_CLOSE_TOKEN", "PARS_NOTFOUND_TOKEN", + "PARS_TO_CHAR_TOKEN", "PARS_TO_NUMBER_TOKEN", "PARS_TO_BINARY_TOKEN", + "PARS_BINARY_TO_NUMBER_TOKEN", "PARS_SUBSTR_TOKEN", "PARS_REPLSTR_TOKEN", + "PARS_CONCAT_TOKEN", "PARS_INSTR_TOKEN", "PARS_LENGTH_TOKEN", + "PARS_SYSDATE_TOKEN", "PARS_PRINTF_TOKEN", "PARS_ASSERT_TOKEN", + "PARS_RND_TOKEN", "PARS_RND_STR_TOKEN", "PARS_ROW_PRINTF_TOKEN", + "PARS_COMMIT_TOKEN", "PARS_ROLLBACK_TOKEN", "PARS_WORK_TOKEN", + "PARS_UNSIGNED_TOKEN", "PARS_EXIT_TOKEN", "PARS_FUNCTION_TOKEN", + "PARS_LOCK_TOKEN", "PARS_SHARE_TOKEN", "PARS_MODE_TOKEN", "'='", "'<'", + "'>'", "'-'", "'+'", "'*'", "'/'", "NEG", "'%'", "';'", "'('", "')'", + "'?'", "','", "'{'", "'}'", "$accept", "top_statement", "statement", + "statement_list", "exp", "function_name", "question_mark_list", + "stored_procedure_call", "predefined_procedure_call", + "predefined_procedure_name", "user_function_call", "table_list", + "variable_list", "exp_list", "select_item", "select_item_list", + "select_list", "search_condition", "for_update_clause", + "lock_shared_clause", "order_direction", "order_by_clause", + "select_statement", "insert_statement_start", "insert_statement", + "column_assignment", "column_assignment_list", "cursor_positioned", + "update_statement_start", "update_statement_searched", + "update_statement_positioned", "delete_statement_start", + "delete_statement_searched", "delete_statement_positioned", + "row_printf_statement", "assignment_statement", "elsif_element", + "elsif_list", "else_part", "if_statement", "while_statement", + "for_statement", "exit_statement", "return_statement", + "open_cursor_statement", "close_cursor_statement", "fetch_statement", + "column_def", "column_def_list", "opt_column_len", "opt_unsigned", + "opt_not_null", "not_fit_in_memory", "create_table", "column_list", + "unique_def", "clustered_def", "create_index", "commit_statement", + "rollback_statement", "type_name", "parameter_declaration", + "parameter_declaration_list", "variable_declaration", + "variable_declaration_list", "cursor_declaration", + "function_declaration", "declaration", "declaration_list", + "procedure_definition", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const unsigned short int yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, + 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, + 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, + 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, + 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, + 345, 346, 347, 348, 349, 61, 60, 62, 45, 43, + 42, 47, 350, 37, 59, 40, 41, 63, 44, 123, + 125 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const unsigned char yyr1[] = +{ + 0, 111, 112, 113, 113, 113, 113, 113, 113, 113, + 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, + 113, 113, 113, 113, 113, 114, 114, 115, 115, 115, + 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, + 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, + 115, 115, 115, 116, 116, 116, 116, 116, 116, 116, + 116, 116, 116, 116, 117, 117, 117, 118, 119, 120, + 120, 120, 121, 122, 122, 123, 123, 123, 124, 124, + 124, 125, 125, 125, 125, 126, 126, 126, 127, 127, + 127, 128, 128, 129, 129, 130, 130, 131, 131, 131, + 132, 132, 133, 134, 135, 135, 136, 137, 137, 138, + 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, + 148, 149, 149, 149, 150, 151, 152, 153, 154, 155, + 156, 157, 157, 158, 159, 159, 160, 160, 161, 161, + 162, 162, 163, 163, 164, 165, 165, 166, 166, 167, + 167, 168, 169, 170, 171, 171, 171, 171, 171, 172, + 172, 173, 173, 173, 174, 175, 175, 175, 176, 177, + 178, 178, 179, 179, 179, 180 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const unsigned char yyr2[] = +{ + 0, 2, 2, 1, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 1, 2, 1, 4, 1, + 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, + 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 3, 3, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 0, 1, 3, 6, 4, 1, + 1, 1, 3, 1, 3, 0, 1, 3, 0, 1, + 3, 1, 4, 5, 4, 0, 1, 3, 1, 3, + 1, 0, 2, 0, 2, 0, 4, 0, 1, 1, + 0, 4, 8, 3, 5, 2, 3, 1, 3, 4, + 4, 2, 2, 3, 2, 2, 2, 3, 4, 1, + 2, 0, 2, 1, 7, 6, 10, 1, 1, 2, + 2, 4, 4, 5, 1, 3, 0, 3, 0, 1, + 0, 2, 0, 1, 7, 1, 3, 0, 1, 0, + 1, 10, 2, 2, 1, 1, 1, 1, 1, 3, + 3, 0, 1, 3, 3, 0, 1, 2, 6, 4, + 1, 1, 0, 1, 2, 11 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const unsigned char yydefact[] = +{ + 0, 0, 0, 0, 0, 1, 2, 161, 0, 162, + 0, 0, 0, 0, 0, 157, 158, 154, 155, 156, + 159, 160, 165, 163, 0, 166, 172, 0, 0, 167, + 170, 171, 173, 0, 164, 0, 0, 0, 174, 0, + 0, 0, 0, 0, 128, 85, 0, 0, 0, 0, + 147, 0, 0, 0, 69, 70, 71, 0, 0, 0, + 127, 0, 25, 0, 3, 0, 0, 0, 0, 0, + 91, 0, 0, 91, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 169, 0, 29, 30, 31, 32, 33, 34, 27, + 0, 35, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 0, 0, 0, 0, 0, 0, 0, + 88, 81, 86, 90, 0, 0, 0, 0, 0, 0, + 148, 149, 129, 0, 130, 116, 152, 153, 0, 175, + 26, 4, 78, 11, 0, 105, 12, 0, 111, 112, + 16, 17, 114, 115, 14, 15, 13, 10, 8, 5, + 6, 7, 9, 18, 20, 19, 23, 24, 21, 22, + 0, 117, 0, 50, 0, 40, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 78, 0, 0, 0, 75, 0, 0, 0, 103, 0, + 113, 0, 150, 0, 75, 64, 79, 0, 78, 0, + 92, 168, 51, 52, 41, 48, 49, 45, 46, 47, + 121, 42, 43, 44, 37, 36, 38, 39, 0, 0, + 0, 0, 0, 76, 89, 87, 73, 91, 0, 0, + 107, 110, 0, 0, 76, 132, 131, 65, 0, 68, + 0, 0, 0, 0, 0, 119, 123, 0, 28, 0, + 84, 0, 82, 0, 0, 0, 93, 0, 0, 0, + 0, 134, 0, 0, 0, 0, 0, 80, 104, 109, + 122, 0, 120, 0, 125, 83, 77, 74, 0, 95, + 0, 106, 108, 136, 142, 0, 0, 72, 67, 66, + 0, 124, 94, 0, 100, 0, 0, 138, 143, 144, + 135, 0, 118, 0, 0, 102, 0, 0, 139, 140, + 0, 0, 0, 0, 137, 0, 133, 145, 0, 96, + 97, 126, 141, 151, 0, 98, 99, 101, 146 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const short int yydefgoto[] = +{ + -1, 2, 62, 63, 206, 116, 248, 64, 65, 66, + 245, 237, 234, 207, 122, 123, 124, 148, 289, 304, + 337, 315, 67, 68, 69, 240, 241, 149, 70, 71, + 72, 73, 74, 75, 76, 77, 255, 256, 257, 78, + 79, 80, 81, 82, 83, 84, 85, 271, 272, 307, + 319, 326, 309, 86, 328, 131, 203, 87, 88, 89, + 20, 9, 10, 25, 26, 30, 31, 32, 33, 3 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -177 +static const short int yypact[] = +{ + 28, 38, 54, -46, -29, -177, -177, 56, 50, -177, + -75, 8, 8, 46, 56, -177, -177, -177, -177, -177, + -177, -177, 63, -177, 8, -177, 2, -26, -51, -177, + -177, -177, -177, -13, -177, 71, 72, 587, -177, 57, + -21, 26, 272, 272, -177, 13, 91, 55, 96, 67, + -22, 99, 100, 103, -177, -177, -177, 75, 29, 35, + -177, 116, -177, 396, -177, 22, 23, 27, -9, 30, + 87, 31, 32, 87, 47, 49, 52, 58, 59, 60, + 61, 62, 65, 66, 74, 77, 78, 86, 89, 102, + 75, -177, 272, -177, -177, -177, -177, -177, -177, 39, + 272, 51, -177, -177, -177, -177, -177, -177, -177, -177, + -177, -177, -177, 272, 272, 361, 25, 489, 45, 90, + -177, 651, -177, -39, 93, 142, 124, 108, 152, 170, + -177, 131, -177, 143, -177, -177, -177, -177, 98, -177, + -177, -177, 272, -177, 110, -177, -177, 256, -177, -177, + -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, + -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, + 112, 651, 137, 101, 147, 204, 88, 272, 272, 272, + 272, 272, 587, 272, 272, 272, 272, 272, 272, 272, + 272, 587, 272, -30, 211, 168, 212, 272, -177, 213, + -177, 118, -177, 167, 217, 122, 651, -63, 272, 175, + 651, -177, -177, -177, -177, 101, 101, 21, 21, 651, + 332, 21, 21, 21, -6, -6, 204, 204, -60, 460, + 198, 222, 126, -177, 125, -177, -177, -33, 584, 140, + -177, 128, 228, 229, 139, -177, 125, -177, -53, -177, + 272, -49, 240, 587, 272, -177, 224, 226, -177, 225, + -177, 150, -177, 258, 272, 260, 230, 272, 272, 213, + 8, -177, -45, 208, 166, 164, 176, 651, -177, -177, + 587, 631, -177, 254, -177, -177, -177, -177, 234, 194, + 638, 651, -177, 182, 227, 228, 280, -177, -177, -177, + 587, -177, -177, 273, 247, 587, 289, 214, -177, -177, + -177, 195, 587, 209, 261, -177, 524, 199, -177, 295, + 292, 215, 299, 279, -177, 304, -177, -177, -44, -177, + -8, -177, -177, -177, 305, -177, -177, -177, -177 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const short int yypgoto[] = +{ + -177, -177, -62, -176, -40, -177, -177, -177, -177, -177, + -177, -177, 109, -166, 120, -177, -177, -69, -177, -177, + -177, -177, -34, -177, -177, 48, -177, 243, -177, -177, + -177, -177, -177, -177, -177, -177, 64, -177, -177, -177, + -177, -177, -177, -177, -177, -177, -177, 24, -177, -177, + -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, + -12, 307, -177, 297, -177, -177, -177, 285, -177, -177 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const unsigned short int yytable[] = +{ + 21, 140, 115, 117, 152, 121, 220, 264, 231, 181, + 194, 24, 27, 37, 35, 229, 93, 94, 95, 96, + 97, 98, 99, 135, 228, 100, 45, 15, 16, 17, + 18, 13, 19, 14, 145, 129, 181, 130, 335, 336, + 36, 144, 251, 249, 1, 250, 258, 4, 250, 118, + 119, 28, 171, 275, 5, 276, 170, 278, 6, 250, + 173, 294, 333, 295, 334, 8, 28, 11, 12, 195, + 232, 22, 24, 175, 176, 265, 7, 280, 34, 101, + 39, 40, 90, 91, 102, 103, 104, 105, 106, 92, + 107, 108, 109, 110, 188, 189, 111, 112, 177, 178, + 125, 179, 180, 181, 126, 127, 128, 210, 132, 133, + 45, 113, 134, 120, 179, 180, 181, 136, 114, 186, + 187, 188, 189, 137, 312, 138, 141, 147, 142, 316, + 190, 143, 196, 198, 146, 150, 151, 215, 216, 217, + 218, 219, 172, 221, 222, 223, 224, 225, 226, 227, + 192, 154, 230, 155, 174, 121, 156, 238, 140, 197, + 199, 200, 157, 158, 159, 160, 161, 140, 266, 162, + 163, 93, 94, 95, 96, 97, 98, 99, 164, 201, + 100, 165, 166, 183, 184, 185, 186, 187, 188, 189, + 167, 202, 204, 168, 214, 193, 183, 184, 185, 186, + 187, 188, 189, 205, 118, 119, 169, 212, 177, 178, + 277, 179, 180, 181, 281, 208, 211, 213, 140, 181, + 233, 236, 239, 242, 210, 243, 244, 290, 291, 247, + 252, 261, 262, 263, 101, 268, 269, 270, 273, 102, + 103, 104, 105, 106, 274, 107, 108, 109, 110, 279, + 140, 111, 112, 283, 140, 254, 285, 284, 293, 93, + 94, 95, 96, 97, 98, 99, 113, 286, 100, 287, + 296, 288, 297, 114, 298, 93, 94, 95, 96, 97, + 98, 99, 301, 299, 100, 302, 303, 306, 308, 311, + 313, 314, 317, 183, 184, 185, 186, 187, 188, 189, + 320, 327, 321, 318, 260, 324, 322, 325, 330, 329, + 209, 331, 332, 246, 338, 235, 153, 292, 38, 310, + 282, 23, 101, 29, 0, 0, 0, 102, 103, 104, + 105, 106, 0, 107, 108, 109, 110, 0, 101, 111, + 112, 41, 0, 102, 103, 104, 105, 106, 0, 107, + 108, 109, 110, 0, 113, 111, 112, 0, 0, 0, + 42, 114, 253, 254, 0, 43, 44, 45, 0, 0, + 113, 177, 178, 46, 179, 180, 181, 114, 0, 0, + 47, 0, 0, 48, 0, 49, 0, 0, 50, 0, + 182, 0, 0, 0, 0, 0, 0, 0, 0, 51, + 52, 53, 0, 0, 0, 41, 0, 0, 54, 0, + 0, 0, 0, 55, 56, 0, 0, 57, 58, 59, + 0, 0, 60, 139, 42, 0, 0, 0, 0, 43, + 44, 45, 0, 0, 0, 0, 0, 46, 0, 0, + 0, 61, 0, 0, 47, 0, 0, 48, 0, 49, + 0, 0, 50, 0, 0, 0, 183, 184, 185, 186, + 187, 188, 189, 51, 52, 53, 0, 0, 0, 41, + 0, 0, 54, 0, 0, 0, 0, 55, 56, 0, + 0, 57, 58, 59, 0, 0, 60, 259, 42, 0, + 0, 0, 0, 43, 44, 45, 0, 0, 0, 177, + 178, 46, 179, 180, 181, 61, 0, 0, 47, 0, + 0, 48, 0, 49, 0, 0, 50, 0, 0, 0, + 0, 191, 0, 0, 0, 0, 0, 51, 52, 53, + 0, 0, 0, 41, 0, 0, 54, 0, 0, 0, + 0, 55, 56, 0, 0, 57, 58, 59, 0, 0, + 60, 323, 42, 0, 0, 0, 0, 43, 44, 45, + 0, 0, 0, 0, 0, 46, 0, 0, 0, 61, + 0, 0, 47, 0, 0, 48, 0, 49, 0, 0, + 50, 0, 0, 0, 183, 184, 185, 186, 187, 188, + 189, 51, 52, 53, 177, 178, 41, 179, 180, 181, + 54, 0, 0, 0, 0, 55, 56, 0, 0, 57, + 58, 59, 0, 0, 60, 42, 0, 0, 0, 0, + 43, 44, 45, 0, 0, 0, 267, 0, 46, 0, + 0, 0, 0, 61, 0, 47, 0, 0, 48, 0, + 49, 177, 178, 50, 179, 180, 181, 0, 177, 178, + 0, 179, 180, 181, 51, 52, 53, 0, 0, 0, + 300, 177, 178, 54, 179, 180, 181, 0, 55, 56, + 305, 0, 57, 58, 59, 0, 0, 60, 0, 183, + 184, 185, 186, 187, 188, 189, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 61, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 183, 184, 185, 186, + 187, 188, 189, 183, 184, 185, 186, 187, 188, 189, + 0, 0, 0, 0, 0, 0, 183, 184, 185, 186, + 187, 188, 189 +}; + +static const short int yycheck[] = +{ + 12, 63, 42, 43, 73, 45, 182, 40, 38, 15, + 49, 9, 24, 26, 65, 191, 3, 4, 5, 6, + 7, 8, 9, 57, 190, 12, 35, 19, 20, 21, + 22, 106, 24, 108, 68, 57, 15, 59, 46, 47, + 91, 50, 208, 106, 16, 108, 106, 9, 108, 36, + 37, 64, 92, 106, 0, 108, 90, 106, 104, 108, + 100, 106, 106, 108, 108, 9, 64, 17, 18, 108, + 100, 25, 9, 113, 114, 108, 105, 253, 104, 66, + 9, 9, 25, 104, 71, 72, 73, 74, 75, 63, + 77, 78, 79, 80, 100, 101, 83, 84, 10, 11, + 9, 13, 14, 15, 49, 9, 39, 147, 9, 9, + 35, 98, 9, 100, 13, 14, 15, 88, 105, 98, + 99, 100, 101, 88, 300, 9, 104, 40, 105, 305, + 105, 104, 39, 9, 104, 104, 104, 177, 178, 179, + 180, 181, 103, 183, 184, 185, 186, 187, 188, 189, + 105, 104, 192, 104, 103, 195, 104, 197, 220, 17, + 52, 9, 104, 104, 104, 104, 104, 229, 237, 104, + 104, 3, 4, 5, 6, 7, 8, 9, 104, 9, + 12, 104, 104, 95, 96, 97, 98, 99, 100, 101, + 104, 60, 49, 104, 106, 105, 95, 96, 97, 98, + 99, 100, 101, 105, 36, 37, 104, 70, 10, 11, + 250, 13, 14, 15, 254, 105, 104, 70, 280, 15, + 9, 9, 9, 105, 264, 58, 9, 267, 268, 107, + 55, 9, 106, 108, 66, 95, 108, 9, 9, 71, + 72, 73, 74, 75, 105, 77, 78, 79, 80, 9, + 312, 83, 84, 27, 316, 31, 106, 32, 270, 3, + 4, 5, 6, 7, 8, 9, 98, 9, 12, 9, + 62, 41, 106, 105, 110, 3, 4, 5, 6, 7, + 8, 9, 28, 107, 12, 51, 92, 105, 61, 9, + 17, 44, 3, 95, 96, 97, 98, 99, 100, 101, + 105, 9, 93, 89, 106, 106, 45, 12, 9, 94, + 54, 32, 8, 204, 9, 195, 73, 269, 33, 295, + 256, 14, 66, 26, -1, -1, -1, 71, 72, 73, + 74, 75, -1, 77, 78, 79, 80, -1, 66, 83, + 84, 9, -1, 71, 72, 73, 74, 75, -1, 77, + 78, 79, 80, -1, 98, 83, 84, -1, -1, -1, + 28, 105, 30, 31, -1, 33, 34, 35, -1, -1, + 98, 10, 11, 41, 13, 14, 15, 105, -1, -1, + 48, -1, -1, 51, -1, 53, -1, -1, 56, -1, + 29, -1, -1, -1, -1, -1, -1, -1, -1, 67, + 68, 69, -1, -1, -1, 9, -1, -1, 76, -1, + -1, -1, -1, 81, 82, -1, -1, 85, 86, 87, + -1, -1, 90, 27, 28, -1, -1, -1, -1, 33, + 34, 35, -1, -1, -1, -1, -1, 41, -1, -1, + -1, 109, -1, -1, 48, -1, -1, 51, -1, 53, + -1, -1, 56, -1, -1, -1, 95, 96, 97, 98, + 99, 100, 101, 67, 68, 69, -1, -1, -1, 9, + -1, -1, 76, -1, -1, -1, -1, 81, 82, -1, + -1, 85, 86, 87, -1, -1, 90, 27, 28, -1, + -1, -1, -1, 33, 34, 35, -1, -1, -1, 10, + 11, 41, 13, 14, 15, 109, -1, -1, 48, -1, + -1, 51, -1, 53, -1, -1, 56, -1, -1, -1, + -1, 32, -1, -1, -1, -1, -1, 67, 68, 69, + -1, -1, -1, 9, -1, -1, 76, -1, -1, -1, + -1, 81, 82, -1, -1, 85, 86, 87, -1, -1, + 90, 27, 28, -1, -1, -1, -1, 33, 34, 35, + -1, -1, -1, -1, -1, 41, -1, -1, -1, 109, + -1, -1, 48, -1, -1, 51, -1, 53, -1, -1, + 56, -1, -1, -1, 95, 96, 97, 98, 99, 100, + 101, 67, 68, 69, 10, 11, 9, 13, 14, 15, + 76, -1, -1, -1, -1, 81, 82, -1, -1, 85, + 86, 87, -1, -1, 90, 28, -1, -1, -1, -1, + 33, 34, 35, -1, -1, -1, 42, -1, 41, -1, + -1, -1, -1, 109, -1, 48, -1, -1, 51, -1, + 53, 10, 11, 56, 13, 14, 15, -1, 10, 11, + -1, 13, 14, 15, 67, 68, 69, -1, -1, -1, + 29, 10, 11, 76, 13, 14, 15, -1, 81, 82, + 32, -1, 85, 86, 87, -1, -1, 90, -1, 95, + 96, 97, 98, 99, 100, 101, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 109, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 95, 96, 97, 98, + 99, 100, 101, 95, 96, 97, 98, 99, 100, 101, + -1, -1, -1, -1, -1, -1, 95, 96, 97, 98, + 99, 100, 101 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const unsigned char yystos[] = +{ + 0, 16, 112, 180, 9, 0, 104, 105, 9, 172, + 173, 17, 18, 106, 108, 19, 20, 21, 22, 24, + 171, 171, 25, 172, 9, 174, 175, 171, 64, 174, + 176, 177, 178, 179, 104, 65, 91, 26, 178, 9, + 9, 9, 28, 33, 34, 35, 41, 48, 51, 53, + 56, 67, 68, 69, 76, 81, 82, 85, 86, 87, + 90, 109, 113, 114, 118, 119, 120, 133, 134, 135, + 139, 140, 141, 142, 143, 144, 145, 146, 150, 151, + 152, 153, 154, 155, 156, 157, 164, 168, 169, 170, + 25, 104, 63, 3, 4, 5, 6, 7, 8, 9, + 12, 66, 71, 72, 73, 74, 75, 77, 78, 79, + 80, 83, 84, 98, 105, 115, 116, 115, 36, 37, + 100, 115, 125, 126, 127, 9, 49, 9, 39, 57, + 59, 166, 9, 9, 9, 133, 88, 88, 9, 27, + 113, 104, 105, 104, 50, 133, 104, 40, 128, 138, + 104, 104, 128, 138, 104, 104, 104, 104, 104, 104, + 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, + 133, 115, 103, 115, 103, 115, 115, 10, 11, 13, + 14, 15, 29, 95, 96, 97, 98, 99, 100, 101, + 105, 32, 105, 105, 49, 108, 39, 17, 9, 52, + 9, 9, 60, 167, 49, 105, 115, 124, 105, 54, + 115, 104, 70, 70, 106, 115, 115, 115, 115, 115, + 114, 115, 115, 115, 115, 115, 115, 115, 124, 114, + 115, 38, 100, 9, 123, 125, 9, 122, 115, 9, + 136, 137, 105, 58, 9, 121, 123, 107, 117, 106, + 108, 124, 55, 30, 31, 147, 148, 149, 106, 27, + 106, 9, 106, 108, 40, 108, 128, 42, 95, 108, + 9, 158, 159, 9, 105, 106, 108, 115, 106, 9, + 114, 115, 147, 27, 32, 106, 9, 9, 41, 129, + 115, 115, 136, 171, 106, 108, 62, 106, 110, 107, + 29, 28, 51, 92, 130, 32, 105, 160, 61, 163, + 158, 9, 114, 17, 44, 132, 114, 3, 89, 161, + 105, 93, 45, 27, 106, 12, 162, 9, 165, 94, + 9, 32, 8, 106, 108, 46, 47, 131, 9 +}; + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# if defined (__STDC__) || defined (__cplusplus) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror ("syntax error: cannot back up");\ + YYERROR; \ + } \ +while (0) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (0) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yysymprint (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_stack_print (short int *bottom, short int *top) +#else +static void +yy_stack_print (bottom, top) + short int *bottom; + short int *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (/* Nothing. */; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_reduce_print (int yyrule) +#else +static void +yy_reduce_print (yyrule) + int yyrule; +#endif +{ + int yyi; + unsigned int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", + yyrule - 1, yylno); + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) + YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); + YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined (__GLIBC__) && defined (_STRING_H) +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +# if defined (__STDC__) || defined (__cplusplus) +yystrlen (const char *yystr) +# else +yystrlen (yystr) + const char *yystr; +# endif +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +# if defined (__STDC__) || defined (__cplusplus) +yystpcpy (char *yydest, const char *yysrc) +# else +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +# endif +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +#endif /* !YYERROR_VERBOSE */ + + + +#if YYDEBUG +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) +#else +static void +yysymprint (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + switch (yytype) + { + default: + break; + } + YYFPRINTF (yyoutput, ")"); +} + +#endif /* ! YYDEBUG */ +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yymsg, yytype, yyvaluep) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +UNIV_INTERN int yyparse (void *YYPARSE_PARAM); +# else +UNIV_INTERN int yyparse (); +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +UNIV_INTERN int yyparse (void); +#else +UNIV_INTERN int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + +/* The look-ahead symbol. */ +static int yychar; + +/* The semantic value of the look-ahead symbol. */ +UNIV_INTERN YYSTYPE yylval; + +/* Number of syntax errors so far. */ +static int yynerrs; + + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +UNIV_INTERN int yyparse (void *YYPARSE_PARAM) +# else +UNIV_INTERN int yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + register int yystate; + register int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Look-ahead token as an internal (translated) token number. */ + int yytoken = 0; + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + short int yyssa[YYINITDEPTH]; + short int *yyss = yyssa; + register short int *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + register YYSTYPE *yyvsp; + + + +#define YYPOPSTACK (yyvsp--, yyssp--) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss; + yyvsp = yyvs; + + + yyvsp[0] = yylval; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. + */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + short int *yyss1 = yyss; + + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyoverflowlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyoverflowlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + short int *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + YYSTACK_RELOCATE (yyss); + YYSTACK_RELOCATE (yyvs); + +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a look-ahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to look-ahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a look-ahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the look-ahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; + + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 25: +#line 166 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 26: +#line 168 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-1]), (yyvsp[0])); ;} + break; + + case 27: +#line 172 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 28: +#line 174 "pars0grm.y" + { (yyval) = pars_func((yyvsp[-3]), (yyvsp[-1])); ;} + break; + + case 29: +#line 175 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 30: +#line 176 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 31: +#line 177 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 32: +#line 178 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 33: +#line 179 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 34: +#line 180 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 35: +#line 181 "pars0grm.y" + { (yyval) = (yyvsp[0]);;} + break; + + case 36: +#line 182 "pars0grm.y" + { (yyval) = pars_op('+', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 37: +#line 183 "pars0grm.y" + { (yyval) = pars_op('-', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 38: +#line 184 "pars0grm.y" + { (yyval) = pars_op('*', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 39: +#line 185 "pars0grm.y" + { (yyval) = pars_op('/', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 40: +#line 186 "pars0grm.y" + { (yyval) = pars_op('-', (yyvsp[0]), NULL); ;} + break; + + case 41: +#line 187 "pars0grm.y" + { (yyval) = (yyvsp[-1]); ;} + break; + + case 42: +#line 188 "pars0grm.y" + { (yyval) = pars_op('=', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 43: +#line 189 "pars0grm.y" + { (yyval) = pars_op('<', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 44: +#line 190 "pars0grm.y" + { (yyval) = pars_op('>', (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 45: +#line 191 "pars0grm.y" + { (yyval) = pars_op(PARS_GE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 46: +#line 192 "pars0grm.y" + { (yyval) = pars_op(PARS_LE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 47: +#line 193 "pars0grm.y" + { (yyval) = pars_op(PARS_NE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 48: +#line 194 "pars0grm.y" + { (yyval) = pars_op(PARS_AND_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 49: +#line 195 "pars0grm.y" + { (yyval) = pars_op(PARS_OR_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 50: +#line 196 "pars0grm.y" + { (yyval) = pars_op(PARS_NOT_TOKEN, (yyvsp[0]), NULL); ;} + break; + + case 51: +#line 198 "pars0grm.y" + { (yyval) = pars_op(PARS_NOTFOUND_TOKEN, (yyvsp[-2]), NULL); ;} + break; + + case 52: +#line 200 "pars0grm.y" + { (yyval) = pars_op(PARS_NOTFOUND_TOKEN, (yyvsp[-2]), NULL); ;} + break; + + case 53: +#line 204 "pars0grm.y" + { (yyval) = &pars_to_char_token; ;} + break; + + case 54: +#line 205 "pars0grm.y" + { (yyval) = &pars_to_number_token; ;} + break; + + case 55: +#line 206 "pars0grm.y" + { (yyval) = &pars_to_binary_token; ;} + break; + + case 56: +#line 208 "pars0grm.y" + { (yyval) = &pars_binary_to_number_token; ;} + break; + + case 57: +#line 209 "pars0grm.y" + { (yyval) = &pars_substr_token; ;} + break; + + case 58: +#line 210 "pars0grm.y" + { (yyval) = &pars_concat_token; ;} + break; + + case 59: +#line 211 "pars0grm.y" + { (yyval) = &pars_instr_token; ;} + break; + + case 60: +#line 212 "pars0grm.y" + { (yyval) = &pars_length_token; ;} + break; + + case 61: +#line 213 "pars0grm.y" + { (yyval) = &pars_sysdate_token; ;} + break; + + case 62: +#line 214 "pars0grm.y" + { (yyval) = &pars_rnd_token; ;} + break; + + case 63: +#line 215 "pars0grm.y" + { (yyval) = &pars_rnd_str_token; ;} + break; + + case 67: +#line 226 "pars0grm.y" + { (yyval) = pars_stored_procedure_call((yyvsp[-4])); ;} + break; + + case 68: +#line 231 "pars0grm.y" + { (yyval) = pars_procedure_call((yyvsp[-3]), (yyvsp[-1])); ;} + break; + + case 69: +#line 235 "pars0grm.y" + { (yyval) = &pars_replstr_token; ;} + break; + + case 70: +#line 236 "pars0grm.y" + { (yyval) = &pars_printf_token; ;} + break; + + case 71: +#line 237 "pars0grm.y" + { (yyval) = &pars_assert_token; ;} + break; + + case 72: +#line 241 "pars0grm.y" + { (yyval) = (yyvsp[-2]); ;} + break; + + case 73: +#line 245 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 74: +#line 247 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 75: +#line 251 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 76: +#line 252 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 77: +#line 254 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 78: +#line 258 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 79: +#line 259 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0]));;} + break; + + case 80: +#line 260 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 81: +#line 264 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 82: +#line 266 "pars0grm.y" + { (yyval) = pars_func(&pars_count_token, + que_node_list_add_last(NULL, + sym_tab_add_int_lit( + pars_sym_tab_global, 1))); ;} + break; + + case 83: +#line 271 "pars0grm.y" + { (yyval) = pars_func(&pars_count_token, + que_node_list_add_last(NULL, + pars_func(&pars_distinct_token, + que_node_list_add_last( + NULL, (yyvsp[-1]))))); ;} + break; + + case 84: +#line 277 "pars0grm.y" + { (yyval) = pars_func(&pars_sum_token, + que_node_list_add_last(NULL, + (yyvsp[-1]))); ;} + break; + + case 85: +#line 283 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 86: +#line 284 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 87: +#line 286 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 88: +#line 290 "pars0grm.y" + { (yyval) = pars_select_list(&pars_star_denoter, + NULL); ;} + break; + + case 89: +#line 293 "pars0grm.y" + { (yyval) = pars_select_list((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 90: +#line 294 "pars0grm.y" + { (yyval) = pars_select_list((yyvsp[0]), NULL); ;} + break; + + case 91: +#line 298 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 92: +#line 299 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 93: +#line 303 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 94: +#line 305 "pars0grm.y" + { (yyval) = &pars_update_token; ;} + break; + + case 95: +#line 309 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 96: +#line 311 "pars0grm.y" + { yyval = &pars_share_token; ;} + break; + + case 97: +#line 315 "pars0grm.y" + { (yyval) = &pars_asc_token; ;} + break; + + case 98: +#line 316 "pars0grm.y" + { (yyval) = &pars_asc_token; ;} + break; + + case 99: +#line 317 "pars0grm.y" + { (yyval) = &pars_desc_token; ;} + break; + + case 100: +#line 321 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 101: +#line 323 "pars0grm.y" + { (yyval) = pars_order_by((yyvsp[-1]), (yyvsp[0])); ;} + break; + + case 102: +#line 332 "pars0grm.y" + { (yyval) = pars_select_statement((yyvsp[-6]), (yyvsp[-4]), (yyvsp[-3]), + (yyvsp[-2]), (yyvsp[-1]), (yyvsp[0])); ;} + break; + + case 103: +#line 338 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 104: +#line 343 "pars0grm.y" + { (yyval) = pars_insert_statement((yyvsp[-4]), (yyvsp[-1]), NULL); ;} + break; + + case 105: +#line 345 "pars0grm.y" + { (yyval) = pars_insert_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} + break; + + case 106: +#line 349 "pars0grm.y" + { (yyval) = pars_column_assignment((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 107: +#line 353 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 108: +#line 355 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 109: +#line 361 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 110: +#line 367 "pars0grm.y" + { (yyval) = pars_update_statement_start(FALSE, + (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 111: +#line 373 "pars0grm.y" + { (yyval) = pars_update_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} + break; + + case 112: +#line 378 "pars0grm.y" + { (yyval) = pars_update_statement((yyvsp[-1]), (yyvsp[0]), NULL); ;} + break; + + case 113: +#line 383 "pars0grm.y" + { (yyval) = pars_update_statement_start(TRUE, + (yyvsp[0]), NULL); ;} + break; + + case 114: +#line 389 "pars0grm.y" + { (yyval) = pars_update_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} + break; + + case 115: +#line 394 "pars0grm.y" + { (yyval) = pars_update_statement((yyvsp[-1]), (yyvsp[0]), NULL); ;} + break; + + case 116: +#line 399 "pars0grm.y" + { (yyval) = pars_row_printf_statement((yyvsp[0])); ;} + break; + + case 117: +#line 404 "pars0grm.y" + { (yyval) = pars_assignment_statement((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 118: +#line 410 "pars0grm.y" + { (yyval) = pars_elsif_element((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 119: +#line 414 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 120: +#line 416 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-1]), (yyvsp[0])); ;} + break; + + case 121: +#line 420 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 122: +#line 422 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 123: +#line 423 "pars0grm.y" + { (yyval) = (yyvsp[0]); ;} + break; + + case 124: +#line 430 "pars0grm.y" + { (yyval) = pars_if_statement((yyvsp[-5]), (yyvsp[-3]), (yyvsp[-2])); ;} + break; + + case 125: +#line 436 "pars0grm.y" + { (yyval) = pars_while_statement((yyvsp[-4]), (yyvsp[-2])); ;} + break; + + case 126: +#line 444 "pars0grm.y" + { (yyval) = pars_for_statement((yyvsp[-8]), (yyvsp[-6]), (yyvsp[-4]), (yyvsp[-2])); ;} + break; + + case 127: +#line 448 "pars0grm.y" + { (yyval) = pars_exit_statement(); ;} + break; + + case 128: +#line 452 "pars0grm.y" + { (yyval) = pars_return_statement(); ;} + break; + + case 129: +#line 457 "pars0grm.y" + { (yyval) = pars_open_statement( + ROW_SEL_OPEN_CURSOR, (yyvsp[0])); ;} + break; + + case 130: +#line 463 "pars0grm.y" + { (yyval) = pars_open_statement( + ROW_SEL_CLOSE_CURSOR, (yyvsp[0])); ;} + break; + + case 131: +#line 469 "pars0grm.y" + { (yyval) = pars_fetch_statement((yyvsp[-2]), (yyvsp[0]), NULL); ;} + break; + + case 132: +#line 471 "pars0grm.y" + { (yyval) = pars_fetch_statement((yyvsp[-2]), NULL, (yyvsp[0])); ;} + break; + + case 133: +#line 476 "pars0grm.y" + { (yyval) = pars_column_def((yyvsp[-4]), (yyvsp[-3]), (yyvsp[-2]), (yyvsp[-1]), (yyvsp[0])); ;} + break; + + case 134: +#line 480 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 135: +#line 482 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 136: +#line 486 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 137: +#line 488 "pars0grm.y" + { (yyval) = (yyvsp[-1]); ;} + break; + + case 138: +#line 492 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 139: +#line 494 "pars0grm.y" + { (yyval) = &pars_int_token; + /* pass any non-NULL pointer */ ;} + break; + + case 140: +#line 499 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 141: +#line 501 "pars0grm.y" + { (yyval) = &pars_int_token; + /* pass any non-NULL pointer */ ;} + break; + + case 142: +#line 506 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 143: +#line 508 "pars0grm.y" + { (yyval) = &pars_int_token; + /* pass any non-NULL pointer */ ;} + break; + + case 144: +#line 515 "pars0grm.y" + { (yyval) = pars_create_table((yyvsp[-4]), (yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 145: +#line 519 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 146: +#line 521 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 147: +#line 525 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 148: +#line 526 "pars0grm.y" + { (yyval) = &pars_unique_token; ;} + break; + + case 149: +#line 530 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 150: +#line 531 "pars0grm.y" + { (yyval) = &pars_clustered_token; ;} + break; + + case 151: +#line 539 "pars0grm.y" + { (yyval) = pars_create_index((yyvsp[-8]), (yyvsp[-7]), (yyvsp[-5]), (yyvsp[-3]), (yyvsp[-1])); ;} + break; + + case 152: +#line 544 "pars0grm.y" + { (yyval) = pars_commit_statement(); ;} + break; + + case 153: +#line 549 "pars0grm.y" + { (yyval) = pars_rollback_statement(); ;} + break; + + case 154: +#line 553 "pars0grm.y" + { (yyval) = &pars_int_token; ;} + break; + + case 155: +#line 554 "pars0grm.y" + { (yyval) = &pars_int_token; ;} + break; + + case 156: +#line 555 "pars0grm.y" + { (yyval) = &pars_char_token; ;} + break; + + case 157: +#line 556 "pars0grm.y" + { (yyval) = &pars_binary_token; ;} + break; + + case 158: +#line 557 "pars0grm.y" + { (yyval) = &pars_blob_token; ;} + break; + + case 159: +#line 562 "pars0grm.y" + { (yyval) = pars_parameter_declaration((yyvsp[-2]), + PARS_INPUT, (yyvsp[0])); ;} + break; + + case 160: +#line 565 "pars0grm.y" + { (yyval) = pars_parameter_declaration((yyvsp[-2]), + PARS_OUTPUT, (yyvsp[0])); ;} + break; + + case 161: +#line 570 "pars0grm.y" + { (yyval) = NULL; ;} + break; + + case 162: +#line 571 "pars0grm.y" + { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} + break; + + case 163: +#line 573 "pars0grm.y" + { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} + break; + + case 164: +#line 578 "pars0grm.y" + { (yyval) = pars_variable_declaration((yyvsp[-2]), (yyvsp[-1])); ;} + break; + + case 168: +#line 590 "pars0grm.y" + { (yyval) = pars_cursor_declaration((yyvsp[-3]), (yyvsp[-1])); ;} + break; + + case 169: +#line 595 "pars0grm.y" + { (yyval) = pars_function_declaration((yyvsp[-1])); ;} + break; + + case 175: +#line 616 "pars0grm.y" + { (yyval) = pars_procedure_definition((yyvsp[-9]), (yyvsp[-7]), + (yyvsp[-1])); ;} + break; + + + } + +/* Line 1010 of yacc.c. */ +#line 2345 "pars0grm.c" + + yyvsp -= yylen; + yyssp -= yylen; + + + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + const char* yyprefix; + char *yymsg; + int yyx; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 0; + + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); + yycount += 1; + if (yycount == 5) + { + yysize = 0; + break; + } + } + yysize += (sizeof ("syntax error, unexpected ") + + yystrlen (yytname[yytype])); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) + { + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yyp = yystpcpy (yyp, yyprefix); + yyp = yystpcpy (yyp, yytname[yyx]); + yyprefix = " or "; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("syntax error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("syntax error"); + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse look-ahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* If at end of input, pop the error token, + then the rest of the stack, then return failure. */ + if (yychar == YYEOF) + for (;;) + { + + YYPOPSTACK; + if (yyssp == yyss) + YYABORT; + yydestruct ("Error: popping", + yystos[*yyssp], yyvsp); + } + } + else + { + yydestruct ("Error: discarding", yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse look-ahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + +#ifdef __GNUC__ + /* Pacify GCC when the user code never invokes YYERROR and the label + yyerrorlab therefore never appears in user code. */ + if (0) + goto yyerrorlab; +#endif + +yyvsp -= yylen; + yyssp -= yylen; + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", yystos[yystate], yyvsp); + YYPOPSTACK; + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + if (yyn == YYFINAL) + YYACCEPT; + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yydestruct ("Error: discarding lookahead", + yytoken, &yylval); + yychar = YYEMPTY; + yyresult = 1; + goto yyreturn; + +#ifndef yyoverflow +/*----------------------------------------------. +| yyoverflowlab -- parser overflow comes here. | +`----------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} + + +#line 620 "pars0grm.y" + + diff --git a/perfschema/pars/pars0grm.y b/perfschema/pars/pars0grm.y new file mode 100644 index 00000000000..14d64f1826f --- /dev/null +++ b/perfschema/pars/pars0grm.y @@ -0,0 +1,635 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/****************************************************** +SQL parser: input file for the GNU Bison parser generator + +Look from pars0lex.l for instructions how to generate the C files for +the InnoDB parser. + +Created 12/14/1997 Heikki Tuuri +*******************************************************/ + +%{ +/* The value of the semantic attribute is a pointer to a query tree node +que_node_t */ + +#include "univ.i" +#include /* Can't be before univ.i */ +#include "pars0pars.h" +#include "mem0mem.h" +#include "que0types.h" +#include "que0que.h" +#include "row0sel.h" + +#define YYSTYPE que_node_t* + +/* #define __STDC__ */ + +int +yylex(void); +%} + +%token PARS_INT_LIT +%token PARS_FLOAT_LIT +%token PARS_STR_LIT +%token PARS_FIXBINARY_LIT +%token PARS_BLOB_LIT +%token PARS_NULL_LIT +%token PARS_ID_TOKEN +%token PARS_AND_TOKEN +%token PARS_OR_TOKEN +%token PARS_NOT_TOKEN +%token PARS_GE_TOKEN +%token PARS_LE_TOKEN +%token PARS_NE_TOKEN +%token PARS_PROCEDURE_TOKEN +%token PARS_IN_TOKEN +%token PARS_OUT_TOKEN +%token PARS_BINARY_TOKEN +%token PARS_BLOB_TOKEN +%token PARS_INT_TOKEN +%token PARS_INTEGER_TOKEN +%token PARS_FLOAT_TOKEN +%token PARS_CHAR_TOKEN +%token PARS_IS_TOKEN +%token PARS_BEGIN_TOKEN +%token PARS_END_TOKEN +%token PARS_IF_TOKEN +%token PARS_THEN_TOKEN +%token PARS_ELSE_TOKEN +%token PARS_ELSIF_TOKEN +%token PARS_LOOP_TOKEN +%token PARS_WHILE_TOKEN +%token PARS_RETURN_TOKEN +%token PARS_SELECT_TOKEN +%token PARS_SUM_TOKEN +%token PARS_COUNT_TOKEN +%token PARS_DISTINCT_TOKEN +%token PARS_FROM_TOKEN +%token PARS_WHERE_TOKEN +%token PARS_FOR_TOKEN +%token PARS_DDOT_TOKEN +%token PARS_READ_TOKEN +%token PARS_ORDER_TOKEN +%token PARS_BY_TOKEN +%token PARS_ASC_TOKEN +%token PARS_DESC_TOKEN +%token PARS_INSERT_TOKEN +%token PARS_INTO_TOKEN +%token PARS_VALUES_TOKEN +%token PARS_UPDATE_TOKEN +%token PARS_SET_TOKEN +%token PARS_DELETE_TOKEN +%token PARS_CURRENT_TOKEN +%token PARS_OF_TOKEN +%token PARS_CREATE_TOKEN +%token PARS_TABLE_TOKEN +%token PARS_INDEX_TOKEN +%token PARS_UNIQUE_TOKEN +%token PARS_CLUSTERED_TOKEN +%token PARS_DOES_NOT_FIT_IN_MEM_TOKEN +%token PARS_ON_TOKEN +%token PARS_ASSIGN_TOKEN +%token PARS_DECLARE_TOKEN +%token PARS_CURSOR_TOKEN +%token PARS_SQL_TOKEN +%token PARS_OPEN_TOKEN +%token PARS_FETCH_TOKEN +%token PARS_CLOSE_TOKEN +%token PARS_NOTFOUND_TOKEN +%token PARS_TO_CHAR_TOKEN +%token PARS_TO_NUMBER_TOKEN +%token PARS_TO_BINARY_TOKEN +%token PARS_BINARY_TO_NUMBER_TOKEN +%token PARS_SUBSTR_TOKEN +%token PARS_REPLSTR_TOKEN +%token PARS_CONCAT_TOKEN +%token PARS_INSTR_TOKEN +%token PARS_LENGTH_TOKEN +%token PARS_SYSDATE_TOKEN +%token PARS_PRINTF_TOKEN +%token PARS_ASSERT_TOKEN +%token PARS_RND_TOKEN +%token PARS_RND_STR_TOKEN +%token PARS_ROW_PRINTF_TOKEN +%token PARS_COMMIT_TOKEN +%token PARS_ROLLBACK_TOKEN +%token PARS_WORK_TOKEN +%token PARS_UNSIGNED_TOKEN +%token PARS_EXIT_TOKEN +%token PARS_FUNCTION_TOKEN +%token PARS_LOCK_TOKEN +%token PARS_SHARE_TOKEN +%token PARS_MODE_TOKEN + +%left PARS_AND_TOKEN PARS_OR_TOKEN +%left PARS_NOT_TOKEN +%left '=' '<' '>' PARS_GE_TOKEN PARS_LE_TOKEN +%left '-' '+' +%left '*' '/' +%left NEG /* negation--unary minus */ +%left '%' + +/* Grammar follows */ +%% + +top_statement: + procedure_definition ';' + +statement: + stored_procedure_call + | predefined_procedure_call ';' + | while_statement ';' + | for_statement ';' + | exit_statement ';' + | if_statement ';' + | return_statement ';' + | assignment_statement ';' + | select_statement ';' + | insert_statement ';' + | row_printf_statement ';' + | delete_statement_searched ';' + | delete_statement_positioned ';' + | update_statement_searched ';' + | update_statement_positioned ';' + | open_cursor_statement ';' + | fetch_statement ';' + | close_cursor_statement ';' + | commit_statement ';' + | rollback_statement ';' + | create_table ';' + | create_index ';' +; + +statement_list: + statement { $$ = que_node_list_add_last(NULL, $1); } + | statement_list statement + { $$ = que_node_list_add_last($1, $2); } +; + +exp: + PARS_ID_TOKEN { $$ = $1;} + | function_name '(' exp_list ')' + { $$ = pars_func($1, $3); } + | PARS_INT_LIT { $$ = $1;} + | PARS_FLOAT_LIT { $$ = $1;} + | PARS_STR_LIT { $$ = $1;} + | PARS_FIXBINARY_LIT { $$ = $1;} + | PARS_BLOB_LIT { $$ = $1;} + | PARS_NULL_LIT { $$ = $1;} + | PARS_SQL_TOKEN { $$ = $1;} + | exp '+' exp { $$ = pars_op('+', $1, $3); } + | exp '-' exp { $$ = pars_op('-', $1, $3); } + | exp '*' exp { $$ = pars_op('*', $1, $3); } + | exp '/' exp { $$ = pars_op('/', $1, $3); } + | '-' exp %prec NEG { $$ = pars_op('-', $2, NULL); } + | '(' exp ')' { $$ = $2; } + | exp '=' exp { $$ = pars_op('=', $1, $3); } + | exp '<' exp { $$ = pars_op('<', $1, $3); } + | exp '>' exp { $$ = pars_op('>', $1, $3); } + | exp PARS_GE_TOKEN exp { $$ = pars_op(PARS_GE_TOKEN, $1, $3); } + | exp PARS_LE_TOKEN exp { $$ = pars_op(PARS_LE_TOKEN, $1, $3); } + | exp PARS_NE_TOKEN exp { $$ = pars_op(PARS_NE_TOKEN, $1, $3); } + | exp PARS_AND_TOKEN exp{ $$ = pars_op(PARS_AND_TOKEN, $1, $3); } + | exp PARS_OR_TOKEN exp { $$ = pars_op(PARS_OR_TOKEN, $1, $3); } + | PARS_NOT_TOKEN exp { $$ = pars_op(PARS_NOT_TOKEN, $2, NULL); } + | PARS_ID_TOKEN '%' PARS_NOTFOUND_TOKEN + { $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); } + | PARS_SQL_TOKEN '%' PARS_NOTFOUND_TOKEN + { $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); } +; + +function_name: + PARS_TO_CHAR_TOKEN { $$ = &pars_to_char_token; } + | PARS_TO_NUMBER_TOKEN { $$ = &pars_to_number_token; } + | PARS_TO_BINARY_TOKEN { $$ = &pars_to_binary_token; } + | PARS_BINARY_TO_NUMBER_TOKEN + { $$ = &pars_binary_to_number_token; } + | PARS_SUBSTR_TOKEN { $$ = &pars_substr_token; } + | PARS_CONCAT_TOKEN { $$ = &pars_concat_token; } + | PARS_INSTR_TOKEN { $$ = &pars_instr_token; } + | PARS_LENGTH_TOKEN { $$ = &pars_length_token; } + | PARS_SYSDATE_TOKEN { $$ = &pars_sysdate_token; } + | PARS_RND_TOKEN { $$ = &pars_rnd_token; } + | PARS_RND_STR_TOKEN { $$ = &pars_rnd_str_token; } +; + +question_mark_list: + /* Nothing */ + | '?' + | question_mark_list ',' '?' +; + +stored_procedure_call: + '{' PARS_ID_TOKEN '(' question_mark_list ')' '}' + { $$ = pars_stored_procedure_call($2); } +; + +predefined_procedure_call: + predefined_procedure_name '(' exp_list ')' + { $$ = pars_procedure_call($1, $3); } +; + +predefined_procedure_name: + PARS_REPLSTR_TOKEN { $$ = &pars_replstr_token; } + | PARS_PRINTF_TOKEN { $$ = &pars_printf_token; } + | PARS_ASSERT_TOKEN { $$ = &pars_assert_token; } +; + +user_function_call: + PARS_ID_TOKEN '(' ')' { $$ = $1; } +; + +table_list: + PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } + | table_list ',' PARS_ID_TOKEN + { $$ = que_node_list_add_last($1, $3); } +; + +variable_list: + /* Nothing */ { $$ = NULL; } + | PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } + | variable_list ',' PARS_ID_TOKEN + { $$ = que_node_list_add_last($1, $3); } +; + +exp_list: + /* Nothing */ { $$ = NULL; } + | exp { $$ = que_node_list_add_last(NULL, $1);} + | exp_list ',' exp { $$ = que_node_list_add_last($1, $3); } +; + +select_item: + exp { $$ = $1; } + | PARS_COUNT_TOKEN '(' '*' ')' + { $$ = pars_func(&pars_count_token, + que_node_list_add_last(NULL, + sym_tab_add_int_lit( + pars_sym_tab_global, 1))); } + | PARS_COUNT_TOKEN '(' PARS_DISTINCT_TOKEN PARS_ID_TOKEN ')' + { $$ = pars_func(&pars_count_token, + que_node_list_add_last(NULL, + pars_func(&pars_distinct_token, + que_node_list_add_last( + NULL, $4)))); } + | PARS_SUM_TOKEN '(' exp ')' + { $$ = pars_func(&pars_sum_token, + que_node_list_add_last(NULL, + $3)); } +; + +select_item_list: + /* Nothing */ { $$ = NULL; } + | select_item { $$ = que_node_list_add_last(NULL, $1); } + | select_item_list ',' select_item + { $$ = que_node_list_add_last($1, $3); } +; + +select_list: + '*' { $$ = pars_select_list(&pars_star_denoter, + NULL); } + | select_item_list PARS_INTO_TOKEN variable_list + { $$ = pars_select_list($1, $3); } + | select_item_list { $$ = pars_select_list($1, NULL); } +; + +search_condition: + /* Nothing */ { $$ = NULL; } + | PARS_WHERE_TOKEN exp { $$ = $2; } +; + +for_update_clause: + /* Nothing */ { $$ = NULL; } + | PARS_FOR_TOKEN PARS_UPDATE_TOKEN + { $$ = &pars_update_token; } +; + +lock_shared_clause: + /* Nothing */ { $$ = NULL; } + | PARS_LOCK_TOKEN PARS_IN_TOKEN PARS_SHARE_TOKEN PARS_MODE_TOKEN + { $$ = &pars_share_token; } +; + +order_direction: + /* Nothing */ { $$ = &pars_asc_token; } + | PARS_ASC_TOKEN { $$ = &pars_asc_token; } + | PARS_DESC_TOKEN { $$ = &pars_desc_token; } +; + +order_by_clause: + /* Nothing */ { $$ = NULL; } + | PARS_ORDER_TOKEN PARS_BY_TOKEN PARS_ID_TOKEN order_direction + { $$ = pars_order_by($3, $4); } +; + +select_statement: + PARS_SELECT_TOKEN select_list + PARS_FROM_TOKEN table_list + search_condition + for_update_clause + lock_shared_clause + order_by_clause { $$ = pars_select_statement($2, $4, $5, + $6, $7, $8); } +; + +insert_statement_start: + PARS_INSERT_TOKEN PARS_INTO_TOKEN + PARS_ID_TOKEN { $$ = $3; } +; + +insert_statement: + insert_statement_start PARS_VALUES_TOKEN '(' exp_list ')' + { $$ = pars_insert_statement($1, $4, NULL); } + | insert_statement_start select_statement + { $$ = pars_insert_statement($1, NULL, $2); } +; + +column_assignment: + PARS_ID_TOKEN '=' exp { $$ = pars_column_assignment($1, $3); } +; + +column_assignment_list: + column_assignment { $$ = que_node_list_add_last(NULL, $1); } + | column_assignment_list ',' column_assignment + { $$ = que_node_list_add_last($1, $3); } +; + +cursor_positioned: + PARS_WHERE_TOKEN + PARS_CURRENT_TOKEN PARS_OF_TOKEN + PARS_ID_TOKEN { $$ = $4; } +; + +update_statement_start: + PARS_UPDATE_TOKEN PARS_ID_TOKEN + PARS_SET_TOKEN + column_assignment_list { $$ = pars_update_statement_start(FALSE, + $2, $4); } +; + +update_statement_searched: + update_statement_start + search_condition { $$ = pars_update_statement($1, NULL, $2); } +; + +update_statement_positioned: + update_statement_start + cursor_positioned { $$ = pars_update_statement($1, $2, NULL); } +; + +delete_statement_start: + PARS_DELETE_TOKEN PARS_FROM_TOKEN + PARS_ID_TOKEN { $$ = pars_update_statement_start(TRUE, + $3, NULL); } +; + +delete_statement_searched: + delete_statement_start + search_condition { $$ = pars_update_statement($1, NULL, $2); } +; + +delete_statement_positioned: + delete_statement_start + cursor_positioned { $$ = pars_update_statement($1, $2, NULL); } +; + +row_printf_statement: + PARS_ROW_PRINTF_TOKEN select_statement + { $$ = pars_row_printf_statement($2); } +; + +assignment_statement: + PARS_ID_TOKEN PARS_ASSIGN_TOKEN exp + { $$ = pars_assignment_statement($1, $3); } +; + +elsif_element: + PARS_ELSIF_TOKEN + exp PARS_THEN_TOKEN statement_list + { $$ = pars_elsif_element($2, $4); } +; + +elsif_list: + elsif_element { $$ = que_node_list_add_last(NULL, $1); } + | elsif_list elsif_element + { $$ = que_node_list_add_last($1, $2); } +; + +else_part: + /* Nothing */ { $$ = NULL; } + | PARS_ELSE_TOKEN statement_list + { $$ = $2; } + | elsif_list { $$ = $1; } +; + +if_statement: + PARS_IF_TOKEN exp PARS_THEN_TOKEN statement_list + else_part + PARS_END_TOKEN PARS_IF_TOKEN + { $$ = pars_if_statement($2, $4, $5); } +; + +while_statement: + PARS_WHILE_TOKEN exp PARS_LOOP_TOKEN statement_list + PARS_END_TOKEN PARS_LOOP_TOKEN + { $$ = pars_while_statement($2, $4); } +; + +for_statement: + PARS_FOR_TOKEN PARS_ID_TOKEN PARS_IN_TOKEN + exp PARS_DDOT_TOKEN exp + PARS_LOOP_TOKEN statement_list + PARS_END_TOKEN PARS_LOOP_TOKEN + { $$ = pars_for_statement($2, $4, $6, $8); } +; + +exit_statement: + PARS_EXIT_TOKEN { $$ = pars_exit_statement(); } +; + +return_statement: + PARS_RETURN_TOKEN { $$ = pars_return_statement(); } +; + +open_cursor_statement: + PARS_OPEN_TOKEN PARS_ID_TOKEN + { $$ = pars_open_statement( + ROW_SEL_OPEN_CURSOR, $2); } +; + +close_cursor_statement: + PARS_CLOSE_TOKEN PARS_ID_TOKEN + { $$ = pars_open_statement( + ROW_SEL_CLOSE_CURSOR, $2); } +; + +fetch_statement: + PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN variable_list + { $$ = pars_fetch_statement($2, $4, NULL); } + | PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN user_function_call + { $$ = pars_fetch_statement($2, NULL, $4); } +; + +column_def: + PARS_ID_TOKEN type_name opt_column_len opt_unsigned opt_not_null + { $$ = pars_column_def($1, $2, $3, $4, $5); } +; + +column_def_list: + column_def { $$ = que_node_list_add_last(NULL, $1); } + | column_def_list ',' column_def + { $$ = que_node_list_add_last($1, $3); } +; + +opt_column_len: + /* Nothing */ { $$ = NULL; } + | '(' PARS_INT_LIT ')' + { $$ = $2; } +; + +opt_unsigned: + /* Nothing */ { $$ = NULL; } + | PARS_UNSIGNED_TOKEN + { $$ = &pars_int_token; + /* pass any non-NULL pointer */ } +; + +opt_not_null: + /* Nothing */ { $$ = NULL; } + | PARS_NOT_TOKEN PARS_NULL_LIT + { $$ = &pars_int_token; + /* pass any non-NULL pointer */ } +; + +not_fit_in_memory: + /* Nothing */ { $$ = NULL; } + | PARS_DOES_NOT_FIT_IN_MEM_TOKEN + { $$ = &pars_int_token; + /* pass any non-NULL pointer */ } +; + +create_table: + PARS_CREATE_TOKEN PARS_TABLE_TOKEN + PARS_ID_TOKEN '(' column_def_list ')' + not_fit_in_memory { $$ = pars_create_table($3, $5, $7); } +; + +column_list: + PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } + | column_list ',' PARS_ID_TOKEN + { $$ = que_node_list_add_last($1, $3); } +; + +unique_def: + /* Nothing */ { $$ = NULL; } + | PARS_UNIQUE_TOKEN { $$ = &pars_unique_token; } +; + +clustered_def: + /* Nothing */ { $$ = NULL; } + | PARS_CLUSTERED_TOKEN { $$ = &pars_clustered_token; } +; + +create_index: + PARS_CREATE_TOKEN unique_def + clustered_def + PARS_INDEX_TOKEN + PARS_ID_TOKEN PARS_ON_TOKEN PARS_ID_TOKEN + '(' column_list ')' { $$ = pars_create_index($2, $3, $5, $7, $9); } +; + +commit_statement: + PARS_COMMIT_TOKEN PARS_WORK_TOKEN + { $$ = pars_commit_statement(); } +; + +rollback_statement: + PARS_ROLLBACK_TOKEN PARS_WORK_TOKEN + { $$ = pars_rollback_statement(); } +; + +type_name: + PARS_INT_TOKEN { $$ = &pars_int_token; } + | PARS_INTEGER_TOKEN { $$ = &pars_int_token; } + | PARS_CHAR_TOKEN { $$ = &pars_char_token; } + | PARS_BINARY_TOKEN { $$ = &pars_binary_token; } + | PARS_BLOB_TOKEN { $$ = &pars_blob_token; } +; + +parameter_declaration: + PARS_ID_TOKEN PARS_IN_TOKEN type_name + { $$ = pars_parameter_declaration($1, + PARS_INPUT, $3); } + | PARS_ID_TOKEN PARS_OUT_TOKEN type_name + { $$ = pars_parameter_declaration($1, + PARS_OUTPUT, $3); } +; + +parameter_declaration_list: + /* Nothing */ { $$ = NULL; } + | parameter_declaration { $$ = que_node_list_add_last(NULL, $1); } + | parameter_declaration_list ',' parameter_declaration + { $$ = que_node_list_add_last($1, $3); } +; + +variable_declaration: + PARS_ID_TOKEN type_name ';' + { $$ = pars_variable_declaration($1, $2); } +; + +variable_declaration_list: + /* Nothing */ + | variable_declaration + | variable_declaration_list variable_declaration +; + +cursor_declaration: + PARS_DECLARE_TOKEN PARS_CURSOR_TOKEN PARS_ID_TOKEN + PARS_IS_TOKEN select_statement ';' + { $$ = pars_cursor_declaration($3, $5); } +; + +function_declaration: + PARS_DECLARE_TOKEN PARS_FUNCTION_TOKEN PARS_ID_TOKEN ';' + { $$ = pars_function_declaration($3); } +; + +declaration: + cursor_declaration + | function_declaration +; + +declaration_list: + /* Nothing */ + | declaration + | declaration_list declaration +; + +procedure_definition: + PARS_PROCEDURE_TOKEN PARS_ID_TOKEN '(' parameter_declaration_list ')' + PARS_IS_TOKEN + variable_declaration_list + declaration_list + PARS_BEGIN_TOKEN + statement_list + PARS_END_TOKEN { $$ = pars_procedure_definition($2, $4, + $10); } +; + +%% diff --git a/perfschema/pars/pars0lex.l b/perfschema/pars/pars0lex.l new file mode 100644 index 00000000000..55ed17f82e1 --- /dev/null +++ b/perfschema/pars/pars0lex.l @@ -0,0 +1,676 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/****************************************************** +SQL parser lexical analyzer: input file for the GNU Flex lexer generator + +The InnoDB parser is frozen because MySQL takes care of SQL parsing. +Therefore we normally keep the InnoDB parser C files as they are, and do +not automatically generate them from pars0grm.y and pars0lex.l. + +How to make the InnoDB parser and lexer C files: + +1. Run ./make_flex.sh to generate lexer files. + +2. Run ./make_bison.sh to generate parser files. + +These instructions seem to work at least with bison-1.875d and flex-2.5.31 on +Linux. + +Created 12/14/1997 Heikki Tuuri +*******************************************************/ + +%option nostdinit +%option 8bit +%option warn +%option pointer +%option never-interactive +%option nodefault +%option noinput +%option nounput +%option noyywrap +%option noyy_scan_buffer +%option noyy_scan_bytes +%option noyy_scan_string +%option nounistd + +%{ +#define YYSTYPE que_node_t* + +#include "univ.i" +#include "pars0pars.h" +#include "pars0grm.h" +#include "pars0sym.h" +#include "mem0mem.h" +#include "os0proc.h" + +#define malloc(A) ut_malloc(A) +#define free(A) ut_free(A) +#define realloc(P, A) ut_realloc(P, A) +#define exit(A) ut_error + +#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result, max_size) + +/* String buffer for removing quotes */ +static ulint stringbuf_len_alloc = 0; /* Allocated length */ +static ulint stringbuf_len = 0; /* Current length */ +static char* stringbuf; /* Start of buffer */ +/** Appends a string to the buffer. */ +static +void +string_append( +/*==========*/ + const char* str, /*!< in: string to be appended */ + ulint len) /*!< in: length of the string */ +{ + if (stringbuf == NULL) { + stringbuf = malloc(1); + stringbuf_len_alloc = 1; + } + + if (stringbuf_len + len > stringbuf_len_alloc) { + while (stringbuf_len + len > stringbuf_len_alloc) { + stringbuf_len_alloc <<= 1; + } + stringbuf = realloc(stringbuf, stringbuf_len_alloc); + } + + memcpy(stringbuf + stringbuf_len, str, len); + stringbuf_len += len; +} + +%} + +DIGIT [0-9] +ID [a-z_A-Z][a-z_A-Z0-9]* +BOUND_LIT \:[a-z_A-Z0-9]+ +BOUND_ID \$[a-z_A-Z0-9]+ + +%x comment +%x quoted +%x id +%% + +{DIGIT}+ { + yylval = sym_tab_add_int_lit(pars_sym_tab_global, + atoi(yytext)); + return(PARS_INT_LIT); +} + +{DIGIT}+"."{DIGIT}* { + ut_error; /* not implemented */ + + return(PARS_FLOAT_LIT); +} + +{BOUND_LIT} { + ulint type; + + yylval = sym_tab_add_bound_lit(pars_sym_tab_global, + yytext + 1, &type); + + return((int) type); +} + +{BOUND_ID} { + yylval = sym_tab_add_bound_id(pars_sym_tab_global, + yytext + 1); + + return(PARS_ID_TOKEN); +} + +"'" { +/* Quoted character string literals are handled in an explicit +start state 'quoted'. This state is entered and the buffer for +the scanned string is emptied upon encountering a starting quote. + +In the state 'quoted', only two actions are possible (defined below). */ + BEGIN(quoted); + stringbuf_len = 0; +} +[^\']+ { + /* Got a sequence of characters other than "'": + append to string buffer */ + string_append(yytext, yyleng); +} +"'"+ { + /* Got a sequence of "'" characters: + append half of them to string buffer, + as "''" represents a single "'". + We apply truncating division, + so that "'''" will result in "'". */ + + string_append(yytext, yyleng / 2); + + /* If we got an odd number of quotes, then the + last quote we got is the terminating quote. + At the end of the string, we return to the + initial start state and report the scanned + string literal. */ + + if (yyleng % 2) { + BEGIN(INITIAL); + yylval = sym_tab_add_str_lit( + pars_sym_tab_global, + (byte*) stringbuf, stringbuf_len); + return(PARS_STR_LIT); + } +} + +\" { +/* Quoted identifiers are handled in an explicit start state 'id'. +This state is entered and the buffer for the scanned string is emptied +upon encountering a starting quote. + +In the state 'id', only two actions are possible (defined below). */ + BEGIN(id); + stringbuf_len = 0; +} +[^\"]+ { + /* Got a sequence of characters other than '"': + append to string buffer */ + string_append(yytext, yyleng); +} +\"+ { + /* Got a sequence of '"' characters: + append half of them to string buffer, + as '""' represents a single '"'. + We apply truncating division, + so that '"""' will result in '"'. */ + + string_append(yytext, yyleng / 2); + + /* If we got an odd number of quotes, then the + last quote we got is the terminating quote. + At the end of the string, we return to the + initial start state and report the scanned + identifier. */ + + if (yyleng % 2) { + BEGIN(INITIAL); + yylval = sym_tab_add_id( + pars_sym_tab_global, + (byte*) stringbuf, stringbuf_len); + + return(PARS_ID_TOKEN); + } +} + +"NULL" { + yylval = sym_tab_add_null_lit(pars_sym_tab_global); + + return(PARS_NULL_LIT); +} + +"SQL" { + /* Implicit cursor name */ + yylval = sym_tab_add_str_lit(pars_sym_tab_global, + (byte*) yytext, yyleng); + return(PARS_SQL_TOKEN); +} + +"AND" { + return(PARS_AND_TOKEN); +} + +"OR" { + return(PARS_OR_TOKEN); +} + +"NOT" { + return(PARS_NOT_TOKEN); +} + +"PROCEDURE" { + return(PARS_PROCEDURE_TOKEN); +} + +"IN" { + return(PARS_IN_TOKEN); +} + +"OUT" { + return(PARS_OUT_TOKEN); +} + +"BINARY" { + return(PARS_BINARY_TOKEN); +} + +"BLOB" { + return(PARS_BLOB_TOKEN); +} + +"INT" { + return(PARS_INT_TOKEN); +} + +"INTEGER" { + return(PARS_INT_TOKEN); +} + +"FLOAT" { + return(PARS_FLOAT_TOKEN); +} + +"CHAR" { + return(PARS_CHAR_TOKEN); +} + +"IS" { + return(PARS_IS_TOKEN); +} + +"BEGIN" { + return(PARS_BEGIN_TOKEN); +} + +"END" { + return(PARS_END_TOKEN); +} + +"IF" { + return(PARS_IF_TOKEN); +} + +"THEN" { + return(PARS_THEN_TOKEN); +} + +"ELSE" { + return(PARS_ELSE_TOKEN); +} + +"ELSIF" { + return(PARS_ELSIF_TOKEN); +} + +"LOOP" { + return(PARS_LOOP_TOKEN); +} + +"WHILE" { + return(PARS_WHILE_TOKEN); +} + +"RETURN" { + return(PARS_RETURN_TOKEN); +} + +"SELECT" { + return(PARS_SELECT_TOKEN); +} + +"SUM" { + return(PARS_SUM_TOKEN); +} + +"COUNT" { + return(PARS_COUNT_TOKEN); +} + +"DISTINCT" { + return(PARS_DISTINCT_TOKEN); +} + +"FROM" { + return(PARS_FROM_TOKEN); +} + +"WHERE" { + return(PARS_WHERE_TOKEN); +} + +"FOR" { + return(PARS_FOR_TOKEN); +} + +"READ" { + return(PARS_READ_TOKEN); +} + +"ORDER" { + return(PARS_ORDER_TOKEN); +} + +"BY" { + return(PARS_BY_TOKEN); +} + +"ASC" { + return(PARS_ASC_TOKEN); +} + +"DESC" { + return(PARS_DESC_TOKEN); +} + +"INSERT" { + return(PARS_INSERT_TOKEN); +} + +"INTO" { + return(PARS_INTO_TOKEN); +} + +"VALUES" { + return(PARS_VALUES_TOKEN); +} + +"UPDATE" { + return(PARS_UPDATE_TOKEN); +} + +"SET" { + return(PARS_SET_TOKEN); +} + +"DELETE" { + return(PARS_DELETE_TOKEN); +} + +"CURRENT" { + return(PARS_CURRENT_TOKEN); +} + +"OF" { + return(PARS_OF_TOKEN); +} + +"CREATE" { + return(PARS_CREATE_TOKEN); +} + +"TABLE" { + return(PARS_TABLE_TOKEN); +} + +"INDEX" { + return(PARS_INDEX_TOKEN); +} + +"UNIQUE" { + return(PARS_UNIQUE_TOKEN); +} + +"CLUSTERED" { + return(PARS_CLUSTERED_TOKEN); +} + +"DOES_NOT_FIT_IN_MEMORY" { + return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); +} + +"ON" { + return(PARS_ON_TOKEN); +} + +"DECLARE" { + return(PARS_DECLARE_TOKEN); +} + +"CURSOR" { + return(PARS_CURSOR_TOKEN); +} + +"OPEN" { + return(PARS_OPEN_TOKEN); +} + +"FETCH" { + return(PARS_FETCH_TOKEN); +} + +"CLOSE" { + return(PARS_CLOSE_TOKEN); +} + +"NOTFOUND" { + return(PARS_NOTFOUND_TOKEN); +} + +"TO_CHAR" { + return(PARS_TO_CHAR_TOKEN); +} + +"TO_NUMBER" { + return(PARS_TO_NUMBER_TOKEN); +} + +"TO_BINARY" { + return(PARS_TO_BINARY_TOKEN); +} + +"BINARY_TO_NUMBER" { + return(PARS_BINARY_TO_NUMBER_TOKEN); +} + +"SUBSTR" { + return(PARS_SUBSTR_TOKEN); +} + +"REPLSTR" { + return(PARS_REPLSTR_TOKEN); +} + +"CONCAT" { + return(PARS_CONCAT_TOKEN); +} + +"INSTR" { + return(PARS_INSTR_TOKEN); +} + +"LENGTH" { + return(PARS_LENGTH_TOKEN); +} + +"SYSDATE" { + return(PARS_SYSDATE_TOKEN); +} + +"PRINTF" { + return(PARS_PRINTF_TOKEN); +} + +"ASSERT" { + return(PARS_ASSERT_TOKEN); +} + +"RND" { + return(PARS_RND_TOKEN); +} + +"RND_STR" { + return(PARS_RND_STR_TOKEN); +} + +"ROW_PRINTF" { + return(PARS_ROW_PRINTF_TOKEN); +} + +"COMMIT" { + return(PARS_COMMIT_TOKEN); +} + +"ROLLBACK" { + return(PARS_ROLLBACK_TOKEN); +} + +"WORK" { + return(PARS_WORK_TOKEN); +} + +"UNSIGNED" { + return(PARS_UNSIGNED_TOKEN); +} + +"EXIT" { + return(PARS_EXIT_TOKEN); +} + +"FUNCTION" { + return(PARS_FUNCTION_TOKEN); +} + +"LOCK" { + return(PARS_LOCK_TOKEN); +} + +"SHARE" { + return(PARS_SHARE_TOKEN); +} + +"MODE" { + return(PARS_MODE_TOKEN); +} + +{ID} { + yylval = sym_tab_add_id(pars_sym_tab_global, + (byte*)yytext, + ut_strlen(yytext)); + return(PARS_ID_TOKEN); +} + +".." { + return(PARS_DDOT_TOKEN); +} + +":=" { + return(PARS_ASSIGN_TOKEN); +} + +"<=" { + return(PARS_LE_TOKEN); +} + +">=" { + return(PARS_GE_TOKEN); +} + +"<>" { + return(PARS_NE_TOKEN); +} + +"(" { + + return((int)(*yytext)); +} + +"=" { + + return((int)(*yytext)); +} + +">" { + + return((int)(*yytext)); +} + +"<" { + + return((int)(*yytext)); +} + +"," { + + return((int)(*yytext)); +} + +";" { + + return((int)(*yytext)); +} + +")" { + + return((int)(*yytext)); +} + +"+" { + + return((int)(*yytext)); +} + +"-" { + + return((int)(*yytext)); +} + +"*" { + + return((int)(*yytext)); +} + +"/" { + + return((int)(*yytext)); +} + +"%" { + + return((int)(*yytext)); +} + +"{" { + + return((int)(*yytext)); +} + +"}" { + + return((int)(*yytext)); +} + +"?" { + + return((int)(*yytext)); +} + +"/*" BEGIN(comment); /* eat up comment */ + +[^*]* +"*"+[^*/]* +"*"+"/" BEGIN(INITIAL); + +[ \t\n]+ /* eat up whitespace */ + + +. { + fprintf(stderr,"Unrecognized character: %02x\n", + *yytext); + + ut_error; + + return(0); +} + +%% + +/********************************************************************** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void) +/*==================*/ +{ + yylex_destroy(); + free(stringbuf); + stringbuf = NULL; + stringbuf_len_alloc = stringbuf_len = 0; +} diff --git a/perfschema/pars/pars0opt.c b/perfschema/pars/pars0opt.c new file mode 100644 index 00000000000..2e392ba4836 --- /dev/null +++ b/perfschema/pars/pars0opt.c @@ -0,0 +1,1216 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file pars/pars0opt.c +Simple SQL optimizer + +Created 12/21/1997 Heikki Tuuri +*******************************************************/ + +#include "pars0opt.h" + +#ifdef UNIV_NONINL +#include "pars0opt.ic" +#endif + +#include "row0sel.h" +#include "row0ins.h" +#include "row0upd.h" +#include "dict0dict.h" +#include "dict0mem.h" +#include "que0que.h" +#include "pars0grm.h" +#include "pars0pars.h" +#include "lock0lock.h" + +#define OPT_EQUAL 1 /* comparison by = */ +#define OPT_COMPARISON 2 /* comparison by <, >, <=, or >= */ + +#define OPT_NOT_COND 1 +#define OPT_END_COND 2 +#define OPT_TEST_COND 3 +#define OPT_SCROLL_COND 4 + + +/*******************************************************************//** +Inverts a comparison operator. +@return the equivalent operator when the order of the arguments is switched */ +static +int +opt_invert_cmp_op( +/*==============*/ + int op) /*!< in: operator */ +{ + if (op == '<') { + return('>'); + } else if (op == '>') { + return('<'); + } else if (op == '=') { + return('='); + } else if (op == PARS_LE_TOKEN) { + return(PARS_GE_TOKEN); + } else if (op == PARS_GE_TOKEN) { + return(PARS_LE_TOKEN); + } else { + ut_error; + } + + return(0); +} + +/*******************************************************************//** +Checks if the value of an expression can be calculated BEFORE the nth table +in a join is accessed. If this is the case, it can possibly be used in an +index search for the nth table. +@return TRUE if already determined */ +static +ibool +opt_check_exp_determined_before( +/*============================*/ + que_node_t* exp, /*!< in: expression */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table) /*!< in: nth table will be accessed */ +{ + func_node_t* func_node; + sym_node_t* sym_node; + dict_table_t* table; + que_node_t* arg; + ulint i; + + ut_ad(exp && sel_node); + + if (que_node_get_type(exp) == QUE_NODE_FUNC) { + func_node = exp; + + arg = func_node->args; + + while (arg) { + if (!opt_check_exp_determined_before(arg, sel_node, + nth_table)) { + return(FALSE); + } + + arg = que_node_get_next(arg); + } + + return(TRUE); + } + + ut_a(que_node_get_type(exp) == QUE_NODE_SYMBOL); + + sym_node = exp; + + if (sym_node->token_type != SYM_COLUMN) { + + return(TRUE); + } + + for (i = 0; i < nth_table; i++) { + + table = sel_node_get_nth_plan(sel_node, i)->table; + + if (sym_node->table == table) { + + return(TRUE); + } + } + + return(FALSE); +} + +/*******************************************************************//** +Looks in a comparison condition if a column value is already restricted by +it BEFORE the nth table is accessed. +@return expression restricting the value of the column, or NULL if not known */ +static +que_node_t* +opt_look_for_col_in_comparison_before( +/*==================================*/ + ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ + ulint col_no, /*!< in: column number */ + func_node_t* search_cond, /*!< in: comparison condition */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table, /*!< in: nth table in a join (a query + from a single table is considered a + join of 1 table) */ + ulint* op) /*!< out: comparison operator ('=', + PARS_GE_TOKEN, ... ); this is inverted + if the column appears on the right + side */ +{ + sym_node_t* sym_node; + dict_table_t* table; + que_node_t* exp; + que_node_t* arg; + + ut_ad(search_cond); + + ut_a((search_cond->func == '<') + || (search_cond->func == '>') + || (search_cond->func == '=') + || (search_cond->func == PARS_GE_TOKEN) + || (search_cond->func == PARS_LE_TOKEN)); + + table = sel_node_get_nth_plan(sel_node, nth_table)->table; + + if ((cmp_type == OPT_EQUAL) && (search_cond->func != '=')) { + + return(NULL); + + } else if ((cmp_type == OPT_COMPARISON) + && (search_cond->func != '<') + && (search_cond->func != '>') + && (search_cond->func != PARS_GE_TOKEN) + && (search_cond->func != PARS_LE_TOKEN)) { + + return(NULL); + } + + arg = search_cond->args; + + if (que_node_get_type(arg) == QUE_NODE_SYMBOL) { + sym_node = arg; + + if ((sym_node->token_type == SYM_COLUMN) + && (sym_node->table == table) + && (sym_node->col_no == col_no)) { + + /* sym_node contains the desired column id */ + + /* Check if the expression on the right side of the + operator is already determined */ + + exp = que_node_get_next(arg); + + if (opt_check_exp_determined_before(exp, sel_node, + nth_table)) { + *op = search_cond->func; + + return(exp); + } + } + } + + exp = search_cond->args; + arg = que_node_get_next(arg); + + if (que_node_get_type(arg) == QUE_NODE_SYMBOL) { + sym_node = arg; + + if ((sym_node->token_type == SYM_COLUMN) + && (sym_node->table == table) + && (sym_node->col_no == col_no)) { + + if (opt_check_exp_determined_before(exp, sel_node, + nth_table)) { + *op = opt_invert_cmp_op(search_cond->func); + + return(exp); + } + } + } + + return(NULL); +} + +/*******************************************************************//** +Looks in a search condition if a column value is already restricted by the +search condition BEFORE the nth table is accessed. Takes into account that +if we will fetch in an ascending order, we cannot utilize an upper limit for +a column value; in a descending order, respectively, a lower limit. +@return expression restricting the value of the column, or NULL if not known */ +static +que_node_t* +opt_look_for_col_in_cond_before( +/*============================*/ + ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ + ulint col_no, /*!< in: column number */ + func_node_t* search_cond, /*!< in: search condition or NULL */ + sel_node_t* sel_node, /*!< in: select node */ + ulint nth_table, /*!< in: nth table in a join (a query + from a single table is considered a + join of 1 table) */ + ulint* op) /*!< out: comparison operator ('=', + PARS_GE_TOKEN, ... ) */ +{ + func_node_t* new_cond; + que_node_t* exp; + + if (search_cond == NULL) { + + return(NULL); + } + + ut_a(que_node_get_type(search_cond) == QUE_NODE_FUNC); + ut_a(search_cond->func != PARS_OR_TOKEN); + ut_a(search_cond->func != PARS_NOT_TOKEN); + + if (search_cond->func == PARS_AND_TOKEN) { + new_cond = search_cond->args; + + exp = opt_look_for_col_in_cond_before(cmp_type, col_no, + new_cond, sel_node, + nth_table, op); + if (exp) { + + return(exp); + } + + new_cond = que_node_get_next(new_cond); + + exp = opt_look_for_col_in_cond_before(cmp_type, col_no, + new_cond, sel_node, + nth_table, op); + return(exp); + } + + exp = opt_look_for_col_in_comparison_before(cmp_type, col_no, + search_cond, sel_node, + nth_table, op); + if (exp == NULL) { + + return(NULL); + } + + /* If we will fetch in an ascending order, we cannot utilize an upper + limit for a column value; in a descending order, respectively, a lower + limit */ + + if (sel_node->asc && ((*op == '<') || (*op == PARS_LE_TOKEN))) { + + return(NULL); + + } else if (!sel_node->asc + && ((*op == '>') || (*op == PARS_GE_TOKEN))) { + + return(NULL); + } + + return(exp); +} + +/*******************************************************************//** +Calculates the goodness for an index according to a select node. The +goodness is 4 times the number of first fields in index whose values we +already know exactly in the query. If we have a comparison condition for +an additional field, 2 point are added. If the index is unique, and we know +all the unique fields for the index we add 1024 points. For a clustered index +we add 1 point. +@return goodness */ +static +ulint +opt_calc_index_goodness( +/*====================*/ + dict_index_t* index, /*!< in: index */ + sel_node_t* sel_node, /*!< in: parsed select node */ + ulint nth_table, /*!< in: nth table in a join */ + que_node_t** index_plan, /*!< in/out: comparison expressions for + this index */ + ulint* last_op) /*!< out: last comparison operator, if + goodness > 1 */ +{ + que_node_t* exp; + ulint goodness; + ulint n_fields; + ulint col_no; + ulint op; + ulint j; + + goodness = 0; + + /* Note that as higher level node pointers in the B-tree contain + page addresses as the last field, we must not put more fields in + the search tuple than dict_index_get_n_unique_in_tree(index); see + the note in btr_cur_search_to_nth_level. */ + + n_fields = dict_index_get_n_unique_in_tree(index); + + for (j = 0; j < n_fields; j++) { + + col_no = dict_index_get_nth_col_no(index, j); + + exp = opt_look_for_col_in_cond_before( + OPT_EQUAL, col_no, sel_node->search_cond, + sel_node, nth_table, &op); + if (exp) { + /* The value for this column is exactly known already + at this stage of the join */ + + index_plan[j] = exp; + *last_op = op; + goodness += 4; + } else { + /* Look for non-equality comparisons */ + + exp = opt_look_for_col_in_cond_before( + OPT_COMPARISON, col_no, sel_node->search_cond, + sel_node, nth_table, &op); + if (exp) { + index_plan[j] = exp; + *last_op = op; + goodness += 2; + } + + break; + } + } + + if (goodness >= 4 * dict_index_get_n_unique(index)) { + goodness += 1024; + + if (dict_index_is_clust(index)) { + + goodness += 1024; + } + } + + /* We have to test for goodness here, as last_op may note be set */ + if (goodness && dict_index_is_clust(index)) { + + goodness++; + } + + return(goodness); +} + +/*******************************************************************//** +Calculates the number of matched fields based on an index goodness. +@return number of excatly or partially matched fields */ +UNIV_INLINE +ulint +opt_calc_n_fields_from_goodness( +/*============================*/ + ulint goodness) /*!< in: goodness */ +{ + return(((goodness % 1024) + 2) / 4); +} + +/*******************************************************************//** +Converts a comparison operator to the corresponding search mode PAGE_CUR_GE, +... +@return search mode */ +UNIV_INLINE +ulint +opt_op_to_search_mode( +/*==================*/ + ibool asc, /*!< in: TRUE if the rows should be fetched in an + ascending order */ + ulint op) /*!< in: operator '=', PARS_GE_TOKEN, ... */ +{ + if (op == '=') { + if (asc) { + return(PAGE_CUR_GE); + } else { + return(PAGE_CUR_LE); + } + } else if (op == '<') { + ut_a(!asc); + return(PAGE_CUR_L); + } else if (op == '>') { + ut_a(asc); + return(PAGE_CUR_G); + } else if (op == PARS_GE_TOKEN) { + ut_a(asc); + return(PAGE_CUR_GE); + } else if (op == PARS_LE_TOKEN) { + ut_a(!asc); + return(PAGE_CUR_LE); + } else { + ut_error; + } + + return(0); +} + +/*******************************************************************//** +Determines if a node is an argument node of a function node. +@return TRUE if is an argument */ +static +ibool +opt_is_arg( +/*=======*/ + que_node_t* arg_node, /*!< in: possible argument node */ + func_node_t* func_node) /*!< in: function node */ +{ + que_node_t* arg; + + arg = func_node->args; + + while (arg) { + if (arg == arg_node) { + + return(TRUE); + } + + arg = que_node_get_next(arg); + } + + return(FALSE); +} + +/*******************************************************************//** +Decides if the fetching of rows should be made in a descending order, and +also checks that the chosen query plan produces a result which satisfies +the order-by. */ +static +void +opt_check_order_by( +/*===============*/ + sel_node_t* sel_node) /*!< in: select node; asserts an error + if the plan does not agree with the + order-by */ +{ + order_node_t* order_node; + dict_table_t* order_table; + ulint order_col_no; + plan_t* plan; + ulint i; + + if (!sel_node->order_by) { + + return; + } + + order_node = sel_node->order_by; + order_col_no = order_node->column->col_no; + order_table = order_node->column->table; + + /* If there is an order-by clause, the first non-exactly matched field + in the index used for the last table in the table list should be the + column defined in the order-by clause, and for all the other tables + we should get only at most a single row, otherwise we cannot presently + calculate the order-by, as we have no sort utility */ + + for (i = 0; i < sel_node->n_tables; i++) { + + plan = sel_node_get_nth_plan(sel_node, i); + + if (i < sel_node->n_tables - 1) { + ut_a(dict_index_get_n_unique(plan->index) + <= plan->n_exact_match); + } else { + ut_a(plan->table == order_table); + + ut_a((dict_index_get_n_unique(plan->index) + <= plan->n_exact_match) + || (dict_index_get_nth_col_no(plan->index, + plan->n_exact_match) + == order_col_no)); + } + } +} + +/*******************************************************************//** +Optimizes a select. Decides which indexes to tables to use. The tables +are accessed in the order that they were written to the FROM part in the +select statement. */ +static +void +opt_search_plan_for_table( +/*======================*/ + sel_node_t* sel_node, /*!< in: parsed select node */ + ulint i, /*!< in: this is the ith table */ + dict_table_t* table) /*!< in: table */ +{ + plan_t* plan; + dict_index_t* index; + dict_index_t* best_index; + ulint n_fields; + ulint goodness; + ulint last_op = 75946965; /* Eliminate a Purify + warning */ + ulint best_goodness; + ulint best_last_op = 0; /* remove warning */ + que_node_t* index_plan[256]; + que_node_t* best_index_plan[256]; + + plan = sel_node_get_nth_plan(sel_node, i); + + plan->table = table; + plan->asc = sel_node->asc; + plan->pcur_is_open = FALSE; + plan->cursor_at_end = FALSE; + + /* Calculate goodness for each index of the table */ + + index = dict_table_get_first_index(table); + best_index = index; /* Eliminate compiler warning */ + best_goodness = 0; + + /* should be do ... until ? comment by Jani */ + while (index) { + goodness = opt_calc_index_goodness(index, sel_node, i, + index_plan, &last_op); + if (goodness > best_goodness) { + + best_index = index; + best_goodness = goodness; + n_fields = opt_calc_n_fields_from_goodness(goodness); + + ut_memcpy(best_index_plan, index_plan, + n_fields * sizeof(void*)); + best_last_op = last_op; + } + + index = dict_table_get_next_index(index); + } + + plan->index = best_index; + + n_fields = opt_calc_n_fields_from_goodness(best_goodness); + + if (n_fields == 0) { + plan->tuple = NULL; + plan->n_exact_match = 0; + } else { + plan->tuple = dtuple_create(pars_sym_tab_global->heap, + n_fields); + dict_index_copy_types(plan->tuple, plan->index, n_fields); + + plan->tuple_exps = mem_heap_alloc(pars_sym_tab_global->heap, + n_fields * sizeof(void*)); + + ut_memcpy(plan->tuple_exps, best_index_plan, + n_fields * sizeof(void*)); + if (best_last_op == '=') { + plan->n_exact_match = n_fields; + } else { + plan->n_exact_match = n_fields - 1; + } + + plan->mode = opt_op_to_search_mode(sel_node->asc, + best_last_op); + } + + if (dict_index_is_clust(best_index) + && (plan->n_exact_match >= dict_index_get_n_unique(best_index))) { + + plan->unique_search = TRUE; + } else { + plan->unique_search = FALSE; + } + + plan->old_vers_heap = NULL; + + btr_pcur_init(&(plan->pcur)); + btr_pcur_init(&(plan->clust_pcur)); +} + +/*******************************************************************//** +Looks at a comparison condition and decides if it can, and need, be tested for +a table AFTER the table has been accessed. +@return OPT_NOT_COND if not for this table, else OPT_END_COND, +OPT_TEST_COND, or OPT_SCROLL_COND, where the last means that the +condition need not be tested, except when scroll cursors are used */ +static +ulint +opt_classify_comparison( +/*====================*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* cond) /*!< in: comparison condition */ +{ + plan_t* plan; + ulint n_fields; + ulint op; + ulint j; + + ut_ad(cond && sel_node); + + plan = sel_node_get_nth_plan(sel_node, i); + + /* Check if the condition is determined after the ith table has been + accessed, but not after the i - 1:th */ + + if (!opt_check_exp_determined_before(cond, sel_node, i + 1)) { + + return(OPT_NOT_COND); + } + + if ((i > 0) && opt_check_exp_determined_before(cond, sel_node, i)) { + + return(OPT_NOT_COND); + } + + /* If the condition is an exact match condition used in constructing + the search tuple, it is classified as OPT_END_COND */ + + if (plan->tuple) { + n_fields = dtuple_get_n_fields(plan->tuple); + } else { + n_fields = 0; + } + + for (j = 0; j < plan->n_exact_match; j++) { + + if (opt_is_arg(plan->tuple_exps[j], cond)) { + + return(OPT_END_COND); + } + } + + /* If the condition is an non-exact match condition used in + constructing the search tuple, it is classified as OPT_SCROLL_COND. + When the cursor is positioned, and if a non-scroll cursor is used, + there is no need to test this condition; if a scroll cursor is used + the testing is necessary when the cursor is reversed. */ + + if ((n_fields > plan->n_exact_match) + && opt_is_arg(plan->tuple_exps[n_fields - 1], cond)) { + + return(OPT_SCROLL_COND); + } + + /* If the condition is a non-exact match condition on the first field + in index for which there is no exact match, and it limits the search + range from the opposite side of the search tuple already BEFORE we + access the table, it is classified as OPT_END_COND */ + + if ((dict_index_get_n_fields(plan->index) > plan->n_exact_match) + && opt_look_for_col_in_comparison_before( + OPT_COMPARISON, + dict_index_get_nth_col_no(plan->index, + plan->n_exact_match), + cond, sel_node, i, &op)) { + + if (sel_node->asc && ((op == '<') || (op == PARS_LE_TOKEN))) { + + return(OPT_END_COND); + } + + if (!sel_node->asc && ((op == '>') || (op == PARS_GE_TOKEN))) { + + return(OPT_END_COND); + } + } + + /* Otherwise, cond is classified as OPT_TEST_COND */ + + return(OPT_TEST_COND); +} + +/*******************************************************************//** +Recursively looks for test conditions for a table in a join. */ +static +void +opt_find_test_conds( +/*================*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* cond) /*!< in: conjunction of search + conditions or NULL */ +{ + func_node_t* new_cond; + ulint class; + plan_t* plan; + + if (cond == NULL) { + + return; + } + + if (cond->func == PARS_AND_TOKEN) { + new_cond = cond->args; + + opt_find_test_conds(sel_node, i, new_cond); + + new_cond = que_node_get_next(new_cond); + + opt_find_test_conds(sel_node, i, new_cond); + + return; + } + + plan = sel_node_get_nth_plan(sel_node, i); + + class = opt_classify_comparison(sel_node, i, cond); + + if (class == OPT_END_COND) { + UT_LIST_ADD_LAST(cond_list, plan->end_conds, cond); + + } else if (class == OPT_TEST_COND) { + UT_LIST_ADD_LAST(cond_list, plan->other_conds, cond); + + } +} + +/*******************************************************************//** +Normalizes a list of comparison conditions so that a column of the table +appears on the left side of the comparison if possible. This is accomplished +by switching the arguments of the operator. */ +static +void +opt_normalize_cmp_conds( +/*====================*/ + func_node_t* cond, /*!< in: first in a list of comparison + conditions, or NULL */ + dict_table_t* table) /*!< in: table */ +{ + que_node_t* arg1; + que_node_t* arg2; + sym_node_t* sym_node; + + while (cond) { + arg1 = cond->args; + arg2 = que_node_get_next(arg1); + + if (que_node_get_type(arg2) == QUE_NODE_SYMBOL) { + + sym_node = arg2; + + if ((sym_node->token_type == SYM_COLUMN) + && (sym_node->table == table)) { + + /* Switch the order of the arguments */ + + cond->args = arg2; + que_node_list_add_last(NULL, arg2); + que_node_list_add_last(arg2, arg1); + + /* Invert the operator */ + cond->func = opt_invert_cmp_op(cond->func); + } + } + + cond = UT_LIST_GET_NEXT(cond_list, cond); + } +} + +/*******************************************************************//** +Finds out the search condition conjuncts we can, and need, to test as the ith +table in a join is accessed. The search tuple can eliminate the need to test +some conjuncts. */ +static +void +opt_determine_and_normalize_test_conds( +/*===================================*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint i) /*!< in: ith table in the join */ +{ + plan_t* plan; + + plan = sel_node_get_nth_plan(sel_node, i); + + UT_LIST_INIT(plan->end_conds); + UT_LIST_INIT(plan->other_conds); + + /* Recursively go through the conjuncts and classify them */ + + opt_find_test_conds(sel_node, i, sel_node->search_cond); + + opt_normalize_cmp_conds(UT_LIST_GET_FIRST(plan->end_conds), + plan->table); + + ut_a(UT_LIST_GET_LEN(plan->end_conds) >= plan->n_exact_match); +} + +/*******************************************************************//** +Looks for occurrences of the columns of the table in the query subgraph and +adds them to the list of columns if an occurrence of the same column does not +already exist in the list. If the column is already in the list, puts a value +indirection to point to the occurrence in the column list, except if the +column occurrence we are looking at is in the column list, in which case +nothing is done. */ +UNIV_INTERN +void +opt_find_all_cols( +/*==============*/ + ibool copy_val, /*!< in: if TRUE, new found columns are + added as columns to copy */ + dict_index_t* index, /*!< in: index of the table to use */ + sym_node_list_t* col_list, /*!< in: base node of a list where + to add new found columns */ + plan_t* plan, /*!< in: plan or NULL */ + que_node_t* exp) /*!< in: expression or condition or + NULL */ +{ + func_node_t* func_node; + que_node_t* arg; + sym_node_t* sym_node; + sym_node_t* col_node; + ulint col_pos; + + if (exp == NULL) { + + return; + } + + if (que_node_get_type(exp) == QUE_NODE_FUNC) { + func_node = exp; + + arg = func_node->args; + + while (arg) { + opt_find_all_cols(copy_val, index, col_list, plan, + arg); + arg = que_node_get_next(arg); + } + + return; + } + + ut_a(que_node_get_type(exp) == QUE_NODE_SYMBOL); + + sym_node = exp; + + if (sym_node->token_type != SYM_COLUMN) { + + return; + } + + if (sym_node->table != index->table) { + + return; + } + + /* Look for an occurrence of the same column in the plan column + list */ + + col_node = UT_LIST_GET_FIRST(*col_list); + + while (col_node) { + if (col_node->col_no == sym_node->col_no) { + + if (col_node == sym_node) { + /* sym_node was already in a list: do + nothing */ + + return; + } + + /* Put an indirection */ + sym_node->indirection = col_node; + sym_node->alias = col_node; + + return; + } + + col_node = UT_LIST_GET_NEXT(col_var_list, col_node); + } + + /* The same column did not occur in the list: add it */ + + UT_LIST_ADD_LAST(col_var_list, *col_list, sym_node); + + sym_node->copy_val = copy_val; + + /* Fill in the field_no fields in sym_node */ + + sym_node->field_nos[SYM_CLUST_FIELD_NO] = dict_index_get_nth_col_pos( + dict_table_get_first_index(index->table), sym_node->col_no); + if (!dict_index_is_clust(index)) { + + ut_a(plan); + + col_pos = dict_index_get_nth_col_pos(index, sym_node->col_no); + + if (col_pos == ULINT_UNDEFINED) { + + plan->must_get_clust = TRUE; + } + + sym_node->field_nos[SYM_SEC_FIELD_NO] = col_pos; + } +} + +/*******************************************************************//** +Looks for occurrences of the columns of the table in conditions which are +not yet determined AFTER the join operation has fetched a row in the ith +table. The values for these column must be copied to dynamic memory for +later use. */ +static +void +opt_find_copy_cols( +/*===============*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint i, /*!< in: ith table in the join */ + func_node_t* search_cond) /*!< in: search condition or NULL */ +{ + func_node_t* new_cond; + plan_t* plan; + + if (search_cond == NULL) { + + return; + } + + ut_ad(que_node_get_type(search_cond) == QUE_NODE_FUNC); + + if (search_cond->func == PARS_AND_TOKEN) { + new_cond = search_cond->args; + + opt_find_copy_cols(sel_node, i, new_cond); + + new_cond = que_node_get_next(new_cond); + + opt_find_copy_cols(sel_node, i, new_cond); + + return; + } + + if (!opt_check_exp_determined_before(search_cond, sel_node, i + 1)) { + + /* Any ith table columns occurring in search_cond should be + copied, as this condition cannot be tested already on the + fetch from the ith table */ + + plan = sel_node_get_nth_plan(sel_node, i); + + opt_find_all_cols(TRUE, plan->index, &(plan->columns), plan, + search_cond); + } +} + +/*******************************************************************//** +Classifies the table columns according to whether we use the column only while +holding the latch on the page, or whether we have to copy the column value to +dynamic memory. Puts the first occurrence of a column to either list in the +plan node, and puts indirections to later occurrences of the column. */ +static +void +opt_classify_cols( +/*==============*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint i) /*!< in: ith table in the join */ +{ + plan_t* plan; + que_node_t* exp; + + plan = sel_node_get_nth_plan(sel_node, i); + + /* The final value of the following field will depend on the + environment of the select statement: */ + + plan->must_get_clust = FALSE; + + UT_LIST_INIT(plan->columns); + + /* All select list columns should be copied: therefore TRUE as the + first argument */ + + exp = sel_node->select_list; + + while (exp) { + opt_find_all_cols(TRUE, plan->index, &(plan->columns), plan, + exp); + exp = que_node_get_next(exp); + } + + opt_find_copy_cols(sel_node, i, sel_node->search_cond); + + /* All remaining columns in the search condition are temporary + columns: therefore FALSE */ + + opt_find_all_cols(FALSE, plan->index, &(plan->columns), plan, + sel_node->search_cond); +} + +/*******************************************************************//** +Fills in the info in plan which is used in accessing a clustered index +record. The columns must already be classified for the plan node. */ +static +void +opt_clust_access( +/*=============*/ + sel_node_t* sel_node, /*!< in: select node */ + ulint n) /*!< in: nth table in select */ +{ + plan_t* plan; + dict_table_t* table; + dict_index_t* clust_index; + dict_index_t* index; + mem_heap_t* heap; + ulint n_fields; + ulint pos; + ulint i; + + plan = sel_node_get_nth_plan(sel_node, n); + + index = plan->index; + + /* The final value of the following field depends on the environment + of the select statement: */ + + plan->no_prefetch = FALSE; + + if (dict_index_is_clust(index)) { + plan->clust_map = NULL; + plan->clust_ref = NULL; + + return; + } + + table = index->table; + + clust_index = dict_table_get_first_index(table); + + n_fields = dict_index_get_n_unique(clust_index); + + heap = pars_sym_tab_global->heap; + + plan->clust_ref = dtuple_create(heap, n_fields); + + dict_index_copy_types(plan->clust_ref, clust_index, n_fields); + + plan->clust_map = mem_heap_alloc(heap, n_fields * sizeof(ulint)); + + for (i = 0; i < n_fields; i++) { + pos = dict_index_get_nth_field_pos(index, clust_index, i); + + ut_a(pos != ULINT_UNDEFINED); + + /* We optimize here only queries to InnoDB's internal system + tables, and they should not contain column prefix indexes. */ + + if (dict_index_get_nth_field(index, pos)->prefix_len != 0 + || dict_index_get_nth_field(clust_index, i) + ->prefix_len != 0) { + fprintf(stderr, + "InnoDB: Error in pars0opt.c:" + " table %s has prefix_len != 0\n", + index->table_name); + } + + *(plan->clust_map + i) = pos; + + ut_ad(pos != ULINT_UNDEFINED); + } +} + +/*******************************************************************//** +Optimizes a select. Decides which indexes to tables to use. The tables +are accessed in the order that they were written to the FROM part in the +select statement. */ +UNIV_INTERN +void +opt_search_plan( +/*============*/ + sel_node_t* sel_node) /*!< in: parsed select node */ +{ + sym_node_t* table_node; + dict_table_t* table; + order_node_t* order_by; + ulint i; + + sel_node->plans = mem_heap_alloc(pars_sym_tab_global->heap, + sel_node->n_tables * sizeof(plan_t)); + + /* Analyze the search condition to find out what we know at each + join stage about the conditions that the columns of a table should + satisfy */ + + table_node = sel_node->table_list; + + if (sel_node->order_by == NULL) { + sel_node->asc = TRUE; + } else { + order_by = sel_node->order_by; + + sel_node->asc = order_by->asc; + } + + for (i = 0; i < sel_node->n_tables; i++) { + + table = table_node->table; + + /* Choose index through which to access the table */ + + opt_search_plan_for_table(sel_node, i, table); + + /* Determine the search condition conjuncts we can test at + this table; normalize the end conditions */ + + opt_determine_and_normalize_test_conds(sel_node, i); + + table_node = que_node_get_next(table_node); + } + + table_node = sel_node->table_list; + + for (i = 0; i < sel_node->n_tables; i++) { + + /* Classify the table columns into those we only need to access + but not copy, and to those we must copy to dynamic memory */ + + opt_classify_cols(sel_node, i); + + /* Calculate possible info for accessing the clustered index + record */ + + opt_clust_access(sel_node, i); + + table_node = que_node_get_next(table_node); + } + + /* Check that the plan obeys a possible order-by clause: if not, + an assertion error occurs */ + + opt_check_order_by(sel_node); + +#ifdef UNIV_SQL_DEBUG + opt_print_query_plan(sel_node); +#endif +} + +/********************************************************************//** +Prints info of a query plan. */ +UNIV_INTERN +void +opt_print_query_plan( +/*=================*/ + sel_node_t* sel_node) /*!< in: select node */ +{ + plan_t* plan; + ulint n_fields; + ulint i; + + fputs("QUERY PLAN FOR A SELECT NODE\n", stderr); + + fputs(sel_node->asc ? "Asc. search; " : "Desc. search; ", stderr); + + if (sel_node->set_x_locks) { + fputs("sets row x-locks; ", stderr); + ut_a(sel_node->row_lock_mode == LOCK_X); + ut_a(!sel_node->consistent_read); + } else if (sel_node->consistent_read) { + fputs("consistent read; ", stderr); + } else { + ut_a(sel_node->row_lock_mode == LOCK_S); + fputs("sets row s-locks; ", stderr); + } + + putc('\n', stderr); + + for (i = 0; i < sel_node->n_tables; i++) { + plan = sel_node_get_nth_plan(sel_node, i); + + if (plan->tuple) { + n_fields = dtuple_get_n_fields(plan->tuple); + } else { + n_fields = 0; + } + + fputs("Table ", stderr); + dict_index_name_print(stderr, NULL, plan->index); + fprintf(stderr,"; exact m. %lu, match %lu, end conds %lu\n", + (unsigned long) plan->n_exact_match, + (unsigned long) n_fields, + (unsigned long) UT_LIST_GET_LEN(plan->end_conds)); + } +} diff --git a/perfschema/pars/pars0pars.c b/perfschema/pars/pars0pars.c new file mode 100644 index 00000000000..9faf36d00a8 --- /dev/null +++ b/perfschema/pars/pars0pars.c @@ -0,0 +1,2196 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file pars/pars0pars.c +SQL parser + +Created 11/19/1996 Heikki Tuuri +*******************************************************/ + +/* Historical note: Innobase executed its first SQL string (CREATE TABLE) +on 1/27/1998 */ + +#include "pars0pars.h" + +#ifdef UNIV_NONINL +#include "pars0pars.ic" +#endif + +#include "row0sel.h" +#include "row0ins.h" +#include "row0upd.h" +#include "dict0dict.h" +#include "dict0mem.h" +#include "dict0crea.h" +#include "que0que.h" +#include "pars0grm.h" +#include "pars0opt.h" +#include "data0data.h" +#include "data0type.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "lock0lock.h" +#include "eval0eval.h" + +#ifdef UNIV_SQL_DEBUG +/** If the following is set TRUE, the lexer will print the SQL string +as it tokenizes it */ +UNIV_INTERN ibool pars_print_lexed = FALSE; +#endif /* UNIV_SQL_DEBUG */ + +/* Global variable used while parsing a single procedure or query : the code is +NOT re-entrant */ +UNIV_INTERN sym_tab_t* pars_sym_tab_global; + +/* Global variables used to denote certain reserved words, used in +constructing the parsing tree */ + +UNIV_INTERN pars_res_word_t pars_to_char_token = {PARS_TO_CHAR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_to_number_token = {PARS_TO_NUMBER_TOKEN}; +UNIV_INTERN pars_res_word_t pars_to_binary_token = {PARS_TO_BINARY_TOKEN}; +UNIV_INTERN pars_res_word_t pars_binary_to_number_token = {PARS_BINARY_TO_NUMBER_TOKEN}; +UNIV_INTERN pars_res_word_t pars_substr_token = {PARS_SUBSTR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_replstr_token = {PARS_REPLSTR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_concat_token = {PARS_CONCAT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_instr_token = {PARS_INSTR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_length_token = {PARS_LENGTH_TOKEN}; +UNIV_INTERN pars_res_word_t pars_sysdate_token = {PARS_SYSDATE_TOKEN}; +UNIV_INTERN pars_res_word_t pars_printf_token = {PARS_PRINTF_TOKEN}; +UNIV_INTERN pars_res_word_t pars_assert_token = {PARS_ASSERT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_rnd_token = {PARS_RND_TOKEN}; +UNIV_INTERN pars_res_word_t pars_rnd_str_token = {PARS_RND_STR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_count_token = {PARS_COUNT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_sum_token = {PARS_SUM_TOKEN}; +UNIV_INTERN pars_res_word_t pars_distinct_token = {PARS_DISTINCT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_binary_token = {PARS_BINARY_TOKEN}; +UNIV_INTERN pars_res_word_t pars_blob_token = {PARS_BLOB_TOKEN}; +UNIV_INTERN pars_res_word_t pars_int_token = {PARS_INT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_char_token = {PARS_CHAR_TOKEN}; +UNIV_INTERN pars_res_word_t pars_float_token = {PARS_FLOAT_TOKEN}; +UNIV_INTERN pars_res_word_t pars_update_token = {PARS_UPDATE_TOKEN}; +UNIV_INTERN pars_res_word_t pars_asc_token = {PARS_ASC_TOKEN}; +UNIV_INTERN pars_res_word_t pars_desc_token = {PARS_DESC_TOKEN}; +UNIV_INTERN pars_res_word_t pars_open_token = {PARS_OPEN_TOKEN}; +UNIV_INTERN pars_res_word_t pars_close_token = {PARS_CLOSE_TOKEN}; +UNIV_INTERN pars_res_word_t pars_share_token = {PARS_SHARE_TOKEN}; +UNIV_INTERN pars_res_word_t pars_unique_token = {PARS_UNIQUE_TOKEN}; +UNIV_INTERN pars_res_word_t pars_clustered_token = {PARS_CLUSTERED_TOKEN}; + +/** Global variable used to denote the '*' in SELECT * FROM.. */ +UNIV_INTERN ulint pars_star_denoter = 12345678; + + +/*********************************************************************//** +Determines the class of a function code. +@return function class: PARS_FUNC_ARITH, ... */ +static +ulint +pars_func_get_class( +/*================*/ + int func) /*!< in: function code: '=', PARS_GE_TOKEN, ... */ +{ + switch (func) { + case '+': case '-': case '*': case '/': + return(PARS_FUNC_ARITH); + + case '=': case '<': case '>': + case PARS_GE_TOKEN: case PARS_LE_TOKEN: case PARS_NE_TOKEN: + return(PARS_FUNC_CMP); + + case PARS_AND_TOKEN: case PARS_OR_TOKEN: case PARS_NOT_TOKEN: + return(PARS_FUNC_LOGICAL); + + case PARS_COUNT_TOKEN: case PARS_SUM_TOKEN: + return(PARS_FUNC_AGGREGATE); + + case PARS_TO_CHAR_TOKEN: + case PARS_TO_NUMBER_TOKEN: + case PARS_TO_BINARY_TOKEN: + case PARS_BINARY_TO_NUMBER_TOKEN: + case PARS_SUBSTR_TOKEN: + case PARS_CONCAT_TOKEN: + case PARS_LENGTH_TOKEN: + case PARS_INSTR_TOKEN: + case PARS_SYSDATE_TOKEN: + case PARS_NOTFOUND_TOKEN: + case PARS_PRINTF_TOKEN: + case PARS_ASSERT_TOKEN: + case PARS_RND_TOKEN: + case PARS_RND_STR_TOKEN: + case PARS_REPLSTR_TOKEN: + return(PARS_FUNC_PREDEFINED); + + default: + return(PARS_FUNC_OTHER); + } +} + +/*********************************************************************//** +Parses an operator or predefined function expression. +@return own: function node in a query tree */ +static +func_node_t* +pars_func_low( +/*==========*/ + int func, /*!< in: function token code */ + que_node_t* arg) /*!< in: first argument in the argument list */ +{ + func_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(func_node_t)); + + node->common.type = QUE_NODE_FUNC; + dfield_set_data(&(node->common.val), NULL, 0); + node->common.val_buf_size = 0; + + node->func = func; + + node->class = pars_func_get_class(func); + + node->args = arg; + + UT_LIST_ADD_LAST(func_node_list, pars_sym_tab_global->func_node_list, + node); + return(node); +} + +/*********************************************************************//** +Parses a function expression. +@return own: function node in a query tree */ +UNIV_INTERN +func_node_t* +pars_func( +/*======*/ + que_node_t* res_word,/*!< in: function name reserved word */ + que_node_t* arg) /*!< in: first argument in the argument list */ +{ + return(pars_func_low(((pars_res_word_t*)res_word)->code, arg)); +} + +/*********************************************************************//** +Parses an operator expression. +@return own: function node in a query tree */ +UNIV_INTERN +func_node_t* +pars_op( +/*====*/ + int func, /*!< in: operator token code */ + que_node_t* arg1, /*!< in: first argument */ + que_node_t* arg2) /*!< in: second argument or NULL for an unary + operator */ +{ + que_node_list_add_last(NULL, arg1); + + if (arg2) { + que_node_list_add_last(arg1, arg2); + } + + return(pars_func_low(func, arg1)); +} + +/*********************************************************************//** +Parses an ORDER BY clause. Order by a single column only is supported. +@return own: order-by node in a query tree */ +UNIV_INTERN +order_node_t* +pars_order_by( +/*==========*/ + sym_node_t* column, /*!< in: column name */ + pars_res_word_t* asc) /*!< in: &pars_asc_token or pars_desc_token */ +{ + order_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(order_node_t)); + + node->common.type = QUE_NODE_ORDER; + + node->column = column; + + if (asc == &pars_asc_token) { + node->asc = TRUE; + } else { + ut_a(asc == &pars_desc_token); + node->asc = FALSE; + } + + return(node); +} + +/*********************************************************************//** +Determine if a data type is a built-in string data type of the InnoDB +SQL parser. +@return TRUE if string data type */ +static +ibool +pars_is_string_type( +/*================*/ + ulint mtype) /*!< in: main data type */ +{ + switch (mtype) { + case DATA_VARCHAR: case DATA_CHAR: + case DATA_FIXBINARY: case DATA_BINARY: + return(TRUE); + } + + return(FALSE); +} + +/*********************************************************************//** +Resolves the data type of a function in an expression. The argument data +types must already be resolved. */ +static +void +pars_resolve_func_data_type( +/*========================*/ + func_node_t* node) /*!< in: function node */ +{ + que_node_t* arg; + + ut_a(que_node_get_type(node) == QUE_NODE_FUNC); + + arg = node->args; + + switch (node->func) { + case PARS_SUM_TOKEN: + case '+': case '-': case '*': case '/': + /* Inherit the data type from the first argument (which must + not be the SQL null literal whose type is DATA_ERROR) */ + + dtype_copy(que_node_get_data_type(node), + que_node_get_data_type(arg)); + + ut_a(dtype_get_mtype(que_node_get_data_type(node)) + == DATA_INT); + break; + + case PARS_COUNT_TOKEN: + ut_a(arg); + dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); + break; + + case PARS_TO_CHAR_TOKEN: + case PARS_RND_STR_TOKEN: + ut_a(dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT); + dtype_set(que_node_get_data_type(node), DATA_VARCHAR, + DATA_ENGLISH, 0); + break; + + case PARS_TO_BINARY_TOKEN: + if (dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT) { + dtype_set(que_node_get_data_type(node), DATA_VARCHAR, + DATA_ENGLISH, 0); + } else { + dtype_set(que_node_get_data_type(node), DATA_BINARY, + 0, 0); + } + break; + + case PARS_TO_NUMBER_TOKEN: + case PARS_BINARY_TO_NUMBER_TOKEN: + case PARS_LENGTH_TOKEN: + case PARS_INSTR_TOKEN: + ut_a(pars_is_string_type(que_node_get_data_type(arg)->mtype)); + dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); + break; + + case PARS_SYSDATE_TOKEN: + ut_a(arg == NULL); + dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); + break; + + case PARS_SUBSTR_TOKEN: + case PARS_CONCAT_TOKEN: + ut_a(pars_is_string_type(que_node_get_data_type(arg)->mtype)); + dtype_set(que_node_get_data_type(node), DATA_VARCHAR, + DATA_ENGLISH, 0); + break; + + case '>': case '<': case '=': + case PARS_GE_TOKEN: + case PARS_LE_TOKEN: + case PARS_NE_TOKEN: + case PARS_AND_TOKEN: + case PARS_OR_TOKEN: + case PARS_NOT_TOKEN: + case PARS_NOTFOUND_TOKEN: + + /* We currently have no iboolean type: use integer type */ + dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); + break; + + case PARS_RND_TOKEN: + ut_a(dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT); + dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); + break; + + default: + ut_error; + } +} + +/*********************************************************************//** +Resolves the meaning of variables in an expression and the data types of +functions. It is an error if some identifier cannot be resolved here. */ +static +void +pars_resolve_exp_variables_and_types( +/*=================================*/ + sel_node_t* select_node, /*!< in: select node or NULL; if + this is not NULL then the variable + sym nodes are added to the + copy_variables list of select_node */ + que_node_t* exp_node) /*!< in: expression */ +{ + func_node_t* func_node; + que_node_t* arg; + sym_node_t* sym_node; + sym_node_t* node; + + ut_a(exp_node); + + if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { + func_node = exp_node; + + arg = func_node->args; + + while (arg) { + pars_resolve_exp_variables_and_types(select_node, arg); + + arg = que_node_get_next(arg); + } + + pars_resolve_func_data_type(func_node); + + return; + } + + ut_a(que_node_get_type(exp_node) == QUE_NODE_SYMBOL); + + sym_node = exp_node; + + if (sym_node->resolved) { + + return; + } + + /* Not resolved yet: look in the symbol table for a variable + or a cursor or a function with the same name */ + + node = UT_LIST_GET_FIRST(pars_sym_tab_global->sym_list); + + while (node) { + if (node->resolved + && ((node->token_type == SYM_VAR) + || (node->token_type == SYM_CURSOR) + || (node->token_type == SYM_FUNCTION)) + && node->name + && (sym_node->name_len == node->name_len) + && (ut_memcmp(sym_node->name, node->name, + node->name_len) == 0)) { + + /* Found a variable or a cursor declared with + the same name */ + + break; + } + + node = UT_LIST_GET_NEXT(sym_list, node); + } + + if (!node) { + fprintf(stderr, "PARSER ERROR: Unresolved identifier %s\n", + sym_node->name); + } + + ut_a(node); + + sym_node->resolved = TRUE; + sym_node->token_type = SYM_IMPLICIT_VAR; + sym_node->alias = node; + sym_node->indirection = node; + + if (select_node) { + UT_LIST_ADD_LAST(col_var_list, select_node->copy_variables, + sym_node); + } + + dfield_set_type(que_node_get_val(sym_node), + que_node_get_data_type(node)); +} + +/*********************************************************************//** +Resolves the meaning of variables in an expression list. It is an error if +some identifier cannot be resolved here. Resolves also the data types of +functions. */ +static +void +pars_resolve_exp_list_variables_and_types( +/*======================================*/ + sel_node_t* select_node, /*!< in: select node or NULL */ + que_node_t* exp_node) /*!< in: expression list first node, or + NULL */ +{ + while (exp_node) { + pars_resolve_exp_variables_and_types(select_node, exp_node); + + exp_node = que_node_get_next(exp_node); + } +} + +/*********************************************************************//** +Resolves the columns in an expression. */ +static +void +pars_resolve_exp_columns( +/*=====================*/ + sym_node_t* table_node, /*!< in: first node in a table list */ + que_node_t* exp_node) /*!< in: expression */ +{ + func_node_t* func_node; + que_node_t* arg; + sym_node_t* sym_node; + dict_table_t* table; + sym_node_t* t_node; + ulint n_cols; + ulint i; + + ut_a(exp_node); + + if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { + func_node = exp_node; + + arg = func_node->args; + + while (arg) { + pars_resolve_exp_columns(table_node, arg); + + arg = que_node_get_next(arg); + } + + return; + } + + ut_a(que_node_get_type(exp_node) == QUE_NODE_SYMBOL); + + sym_node = exp_node; + + if (sym_node->resolved) { + + return; + } + + /* Not resolved yet: look in the table list for a column with the + same name */ + + t_node = table_node; + + while (t_node) { + table = t_node->table; + + n_cols = dict_table_get_n_cols(table); + + for (i = 0; i < n_cols; i++) { + const dict_col_t* col + = dict_table_get_nth_col(table, i); + const char* col_name + = dict_table_get_col_name(table, i); + + if ((sym_node->name_len == ut_strlen(col_name)) + && (0 == ut_memcmp(sym_node->name, col_name, + sym_node->name_len))) { + /* Found */ + sym_node->resolved = TRUE; + sym_node->token_type = SYM_COLUMN; + sym_node->table = table; + sym_node->col_no = i; + sym_node->prefetch_buf = NULL; + + dict_col_copy_type( + col, + dfield_get_type(&sym_node + ->common.val)); + + return; + } + } + + t_node = que_node_get_next(t_node); + } +} + +/*********************************************************************//** +Resolves the meaning of columns in an expression list. */ +static +void +pars_resolve_exp_list_columns( +/*==========================*/ + sym_node_t* table_node, /*!< in: first node in a table list */ + que_node_t* exp_node) /*!< in: expression list first node, or + NULL */ +{ + while (exp_node) { + pars_resolve_exp_columns(table_node, exp_node); + + exp_node = que_node_get_next(exp_node); + } +} + +/*********************************************************************//** +Retrieves the table definition for a table name id. */ +static +void +pars_retrieve_table_def( +/*====================*/ + sym_node_t* sym_node) /*!< in: table node */ +{ + const char* table_name; + + ut_a(sym_node); + ut_a(que_node_get_type(sym_node) == QUE_NODE_SYMBOL); + + sym_node->resolved = TRUE; + sym_node->token_type = SYM_TABLE; + + table_name = (const char*) sym_node->name; + + sym_node->table = dict_table_get_low(table_name); + + ut_a(sym_node->table); +} + +/*********************************************************************//** +Retrieves the table definitions for a list of table name ids. +@return number of tables */ +static +ulint +pars_retrieve_table_list_defs( +/*==========================*/ + sym_node_t* sym_node) /*!< in: first table node in list */ +{ + ulint count = 0; + + if (sym_node == NULL) { + + return(count); + } + + while (sym_node) { + pars_retrieve_table_def(sym_node); + + count++; + + sym_node = que_node_get_next(sym_node); + } + + return(count); +} + +/*********************************************************************//** +Adds all columns to the select list if the query is SELECT * FROM ... */ +static +void +pars_select_all_columns( +/*====================*/ + sel_node_t* select_node) /*!< in: select node already containing + the table list */ +{ + sym_node_t* col_node; + sym_node_t* table_node; + dict_table_t* table; + ulint i; + + select_node->select_list = NULL; + + table_node = select_node->table_list; + + while (table_node) { + table = table_node->table; + + for (i = 0; i < dict_table_get_n_user_cols(table); i++) { + const char* col_name = dict_table_get_col_name( + table, i); + + col_node = sym_tab_add_id(pars_sym_tab_global, + (byte*)col_name, + ut_strlen(col_name)); + + select_node->select_list = que_node_list_add_last( + select_node->select_list, col_node); + } + + table_node = que_node_get_next(table_node); + } +} + +/*********************************************************************//** +Parses a select list; creates a query graph node for the whole SELECT +statement. +@return own: select node in a query tree */ +UNIV_INTERN +sel_node_t* +pars_select_list( +/*=============*/ + que_node_t* select_list, /*!< in: select list */ + sym_node_t* into_list) /*!< in: variables list or NULL */ +{ + sel_node_t* node; + + node = sel_node_create(pars_sym_tab_global->heap); + + node->select_list = select_list; + node->into_list = into_list; + + pars_resolve_exp_list_variables_and_types(NULL, into_list); + + return(node); +} + +/*********************************************************************//** +Checks if the query is an aggregate query, in which case the selct list must +contain only aggregate function items. */ +static +void +pars_check_aggregate( +/*=================*/ + sel_node_t* select_node) /*!< in: select node already containing + the select list */ +{ + que_node_t* exp_node; + func_node_t* func_node; + ulint n_nodes = 0; + ulint n_aggregate_nodes = 0; + + exp_node = select_node->select_list; + + while (exp_node) { + + n_nodes++; + + if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { + + func_node = exp_node; + + if (func_node->class == PARS_FUNC_AGGREGATE) { + + n_aggregate_nodes++; + } + } + + exp_node = que_node_get_next(exp_node); + } + + if (n_aggregate_nodes > 0) { + ut_a(n_nodes == n_aggregate_nodes); + + select_node->is_aggregate = TRUE; + } else { + select_node->is_aggregate = FALSE; + } +} + +/*********************************************************************//** +Parses a select statement. +@return own: select node in a query tree */ +UNIV_INTERN +sel_node_t* +pars_select_statement( +/*==================*/ + sel_node_t* select_node, /*!< in: select node already containing + the select list */ + sym_node_t* table_list, /*!< in: table list */ + que_node_t* search_cond, /*!< in: search condition or NULL */ + pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ + pars_res_word_t* lock_shared, /*!< in: NULL or &pars_share_token */ + order_node_t* order_by) /*!< in: NULL or an order-by node */ +{ + select_node->state = SEL_NODE_OPEN; + + select_node->table_list = table_list; + select_node->n_tables = pars_retrieve_table_list_defs(table_list); + + if (select_node->select_list == &pars_star_denoter) { + + /* SELECT * FROM ... */ + pars_select_all_columns(select_node); + } + + if (select_node->into_list) { + ut_a(que_node_list_get_len(select_node->into_list) + == que_node_list_get_len(select_node->select_list)); + } + + UT_LIST_INIT(select_node->copy_variables); + + pars_resolve_exp_list_columns(table_list, select_node->select_list); + pars_resolve_exp_list_variables_and_types(select_node, + select_node->select_list); + pars_check_aggregate(select_node); + + select_node->search_cond = search_cond; + + if (search_cond) { + pars_resolve_exp_columns(table_list, search_cond); + pars_resolve_exp_variables_and_types(select_node, search_cond); + } + + if (for_update) { + ut_a(!lock_shared); + + select_node->set_x_locks = TRUE; + select_node->row_lock_mode = LOCK_X; + + select_node->consistent_read = FALSE; + select_node->read_view = NULL; + } else if (lock_shared){ + select_node->set_x_locks = FALSE; + select_node->row_lock_mode = LOCK_S; + + select_node->consistent_read = FALSE; + select_node->read_view = NULL; + } else { + select_node->set_x_locks = FALSE; + select_node->row_lock_mode = LOCK_S; + + select_node->consistent_read = TRUE; + } + + select_node->order_by = order_by; + + if (order_by) { + pars_resolve_exp_columns(table_list, order_by->column); + } + + /* The final value of the following fields depend on the environment + where the select statement appears: */ + + select_node->can_get_updated = FALSE; + select_node->explicit_cursor = NULL; + + opt_search_plan(select_node); + + return(select_node); +} + +/*********************************************************************//** +Parses a cursor declaration. +@return sym_node */ +UNIV_INTERN +que_node_t* +pars_cursor_declaration( +/*====================*/ + sym_node_t* sym_node, /*!< in: cursor id node in the symbol + table */ + sel_node_t* select_node) /*!< in: select node */ +{ + sym_node->resolved = TRUE; + sym_node->token_type = SYM_CURSOR; + sym_node->cursor_def = select_node; + + select_node->state = SEL_NODE_CLOSED; + select_node->explicit_cursor = sym_node; + + return(sym_node); +} + +/*********************************************************************//** +Parses a function declaration. +@return sym_node */ +UNIV_INTERN +que_node_t* +pars_function_declaration( +/*======================*/ + sym_node_t* sym_node) /*!< in: function id node in the symbol + table */ +{ + sym_node->resolved = TRUE; + sym_node->token_type = SYM_FUNCTION; + + /* Check that the function exists. */ + ut_a(pars_info_get_user_func(pars_sym_tab_global->info, + sym_node->name)); + + return(sym_node); +} + +/*********************************************************************//** +Parses a delete or update statement start. +@return own: update node in a query tree */ +UNIV_INTERN +upd_node_t* +pars_update_statement_start( +/*========================*/ + ibool is_delete, /*!< in: TRUE if delete */ + sym_node_t* table_sym, /*!< in: table name node */ + col_assign_node_t* col_assign_list)/*!< in: column assignment list, NULL + if delete */ +{ + upd_node_t* node; + + node = upd_node_create(pars_sym_tab_global->heap); + + node->is_delete = is_delete; + + node->table_sym = table_sym; + node->col_assign_list = col_assign_list; + + return(node); +} + +/*********************************************************************//** +Parses a column assignment in an update. +@return column assignment node */ +UNIV_INTERN +col_assign_node_t* +pars_column_assignment( +/*===================*/ + sym_node_t* column, /*!< in: column to assign */ + que_node_t* exp) /*!< in: value to assign */ +{ + col_assign_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, + sizeof(col_assign_node_t)); + node->common.type = QUE_NODE_COL_ASSIGNMENT; + + node->col = column; + node->val = exp; + + return(node); +} + +/*********************************************************************//** +Processes an update node assignment list. */ +static +void +pars_process_assign_list( +/*=====================*/ + upd_node_t* node) /*!< in: update node */ +{ + col_assign_node_t* col_assign_list; + sym_node_t* table_sym; + col_assign_node_t* assign_node; + upd_field_t* upd_field; + dict_index_t* clust_index; + sym_node_t* col_sym; + ulint changes_ord_field; + ulint changes_field_size; + ulint n_assigns; + ulint i; + + table_sym = node->table_sym; + col_assign_list = node->col_assign_list; + clust_index = dict_table_get_first_index(node->table); + + assign_node = col_assign_list; + n_assigns = 0; + + while (assign_node) { + pars_resolve_exp_columns(table_sym, assign_node->col); + pars_resolve_exp_columns(table_sym, assign_node->val); + pars_resolve_exp_variables_and_types(NULL, assign_node->val); +#if 0 + ut_a(dtype_get_mtype( + dfield_get_type(que_node_get_val( + assign_node->col))) + == dtype_get_mtype( + dfield_get_type(que_node_get_val( + assign_node->val)))); +#endif + + /* Add to the update node all the columns found in assignment + values as columns to copy: therefore, TRUE */ + + opt_find_all_cols(TRUE, clust_index, &(node->columns), NULL, + assign_node->val); + n_assigns++; + + assign_node = que_node_get_next(assign_node); + } + + node->update = upd_create(n_assigns, pars_sym_tab_global->heap); + + assign_node = col_assign_list; + + changes_field_size = UPD_NODE_NO_SIZE_CHANGE; + + for (i = 0; i < n_assigns; i++) { + upd_field = upd_get_nth_field(node->update, i); + + col_sym = assign_node->col; + + upd_field_set_field_no(upd_field, dict_index_get_nth_col_pos( + clust_index, col_sym->col_no), + clust_index, NULL); + upd_field->exp = assign_node->val; + + if (!dict_col_get_fixed_size( + dict_index_get_nth_col(clust_index, + upd_field->field_no), + dict_table_is_comp(node->table))) { + changes_field_size = 0; + } + + assign_node = que_node_get_next(assign_node); + } + + /* Find out if the update can modify an ordering field in any index */ + + changes_ord_field = UPD_NODE_NO_ORD_CHANGE; + + if (row_upd_changes_some_index_ord_field_binary(node->table, + node->update)) { + changes_ord_field = 0; + } + + node->cmpl_info = changes_ord_field | changes_field_size; +} + +/*********************************************************************//** +Parses an update or delete statement. +@return own: update node in a query tree */ +UNIV_INTERN +upd_node_t* +pars_update_statement( +/*==================*/ + upd_node_t* node, /*!< in: update node */ + sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in + the symbol table or NULL */ + que_node_t* search_cond) /*!< in: search condition or NULL */ +{ + sym_node_t* table_sym; + sel_node_t* sel_node; + plan_t* plan; + + table_sym = node->table_sym; + + pars_retrieve_table_def(table_sym); + node->table = table_sym->table; + + UT_LIST_INIT(node->columns); + + /* Make the single table node into a list of table nodes of length 1 */ + + que_node_list_add_last(NULL, table_sym); + + if (cursor_sym) { + pars_resolve_exp_variables_and_types(NULL, cursor_sym); + + sel_node = cursor_sym->alias->cursor_def; + + node->searched_update = FALSE; + } else { + sel_node = pars_select_list(NULL, NULL); + + pars_select_statement(sel_node, table_sym, search_cond, NULL, + &pars_share_token, NULL); + node->searched_update = TRUE; + sel_node->common.parent = node; + } + + node->select = sel_node; + + ut_a(!node->is_delete || (node->col_assign_list == NULL)); + ut_a(node->is_delete || (node->col_assign_list != NULL)); + + if (node->is_delete) { + node->cmpl_info = 0; + } else { + pars_process_assign_list(node); + } + + if (node->searched_update) { + node->has_clust_rec_x_lock = TRUE; + sel_node->set_x_locks = TRUE; + sel_node->row_lock_mode = LOCK_X; + } else { + node->has_clust_rec_x_lock = sel_node->set_x_locks; + } + + ut_a(sel_node->n_tables == 1); + ut_a(sel_node->consistent_read == FALSE); + ut_a(sel_node->order_by == NULL); + ut_a(sel_node->is_aggregate == FALSE); + + sel_node->can_get_updated = TRUE; + + node->state = UPD_NODE_UPDATE_CLUSTERED; + + plan = sel_node_get_nth_plan(sel_node, 0); + + plan->no_prefetch = TRUE; + + if (!dict_index_is_clust(plan->index)) { + + plan->must_get_clust = TRUE; + + node->pcur = &(plan->clust_pcur); + } else { + node->pcur = &(plan->pcur); + } + + return(node); +} + +/*********************************************************************//** +Parses an insert statement. +@return own: update node in a query tree */ +UNIV_INTERN +ins_node_t* +pars_insert_statement( +/*==================*/ + sym_node_t* table_sym, /*!< in: table name node */ + que_node_t* values_list, /*!< in: value expression list or NULL */ + sel_node_t* select) /*!< in: select condition or NULL */ +{ + ins_node_t* node; + dtuple_t* row; + ulint ins_type; + + ut_a(values_list || select); + ut_a(!values_list || !select); + + if (values_list) { + ins_type = INS_VALUES; + } else { + ins_type = INS_SEARCHED; + } + + pars_retrieve_table_def(table_sym); + + node = ins_node_create(ins_type, table_sym->table, + pars_sym_tab_global->heap); + + row = dtuple_create(pars_sym_tab_global->heap, + dict_table_get_n_cols(node->table)); + + dict_table_copy_types(row, table_sym->table); + + ins_node_set_new_row(node, row); + + node->select = select; + + if (select) { + select->common.parent = node; + + ut_a(que_node_list_get_len(select->select_list) + == dict_table_get_n_user_cols(table_sym->table)); + } + + node->values_list = values_list; + + if (node->values_list) { + pars_resolve_exp_list_variables_and_types(NULL, values_list); + + ut_a(que_node_list_get_len(values_list) + == dict_table_get_n_user_cols(table_sym->table)); + } + + return(node); +} + +/*********************************************************************//** +Set the type of a dfield. */ +static +void +pars_set_dfield_type( +/*=================*/ + dfield_t* dfield, /*!< in: dfield */ + pars_res_word_t* type, /*!< in: pointer to a type + token */ + ulint len, /*!< in: length, or 0 */ + ibool is_unsigned, /*!< in: if TRUE, column is + UNSIGNED. */ + ibool is_not_null) /*!< in: if TRUE, column is + NOT NULL. */ +{ + ulint flags = 0; + + if (is_not_null) { + flags |= DATA_NOT_NULL; + } + + if (is_unsigned) { + flags |= DATA_UNSIGNED; + } + + if (type == &pars_int_token) { + ut_a(len == 0); + + dtype_set(dfield_get_type(dfield), DATA_INT, flags, 4); + + } else if (type == &pars_char_token) { + ut_a(len == 0); + + dtype_set(dfield_get_type(dfield), DATA_VARCHAR, + DATA_ENGLISH | flags, 0); + } else if (type == &pars_binary_token) { + ut_a(len != 0); + + dtype_set(dfield_get_type(dfield), DATA_FIXBINARY, + DATA_BINARY_TYPE | flags, len); + } else if (type == &pars_blob_token) { + ut_a(len == 0); + + dtype_set(dfield_get_type(dfield), DATA_BLOB, + DATA_BINARY_TYPE | flags, 0); + } else { + ut_error; + } +} + +/*********************************************************************//** +Parses a variable declaration. +@return own: symbol table node of type SYM_VAR */ +UNIV_INTERN +sym_node_t* +pars_variable_declaration( +/*======================*/ + sym_node_t* node, /*!< in: symbol table node allocated for the + id of the variable */ + pars_res_word_t* type) /*!< in: pointer to a type token */ +{ + node->resolved = TRUE; + node->token_type = SYM_VAR; + + node->param_type = PARS_NOT_PARAM; + + pars_set_dfield_type(que_node_get_val(node), type, 0, FALSE, FALSE); + + return(node); +} + +/*********************************************************************//** +Parses a procedure parameter declaration. +@return own: symbol table node of type SYM_VAR */ +UNIV_INTERN +sym_node_t* +pars_parameter_declaration( +/*=======================*/ + sym_node_t* node, /*!< in: symbol table node allocated for the + id of the parameter */ + ulint param_type, + /*!< in: PARS_INPUT or PARS_OUTPUT */ + pars_res_word_t* type) /*!< in: pointer to a type token */ +{ + ut_a((param_type == PARS_INPUT) || (param_type == PARS_OUTPUT)); + + pars_variable_declaration(node, type); + + node->param_type = param_type; + + return(node); +} + +/*********************************************************************//** +Sets the parent field in a query node list. */ +static +void +pars_set_parent_in_list( +/*====================*/ + que_node_t* node_list, /*!< in: first node in a list */ + que_node_t* parent) /*!< in: parent value to set in all + nodes of the list */ +{ + que_common_t* common; + + common = node_list; + + while (common) { + common->parent = parent; + + common = que_node_get_next(common); + } +} + +/*********************************************************************//** +Parses an elsif element. +@return elsif node */ +UNIV_INTERN +elsif_node_t* +pars_elsif_element( +/*===============*/ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list) /*!< in: statement list */ +{ + elsif_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(elsif_node_t)); + + node->common.type = QUE_NODE_ELSIF; + + node->cond = cond; + + pars_resolve_exp_variables_and_types(NULL, cond); + + node->stat_list = stat_list; + + return(node); +} + +/*********************************************************************//** +Parses an if-statement. +@return if-statement node */ +UNIV_INTERN +if_node_t* +pars_if_statement( +/*==============*/ + que_node_t* cond, /*!< in: if-condition */ + que_node_t* stat_list, /*!< in: statement list */ + que_node_t* else_part) /*!< in: else-part statement list + or elsif element list */ +{ + if_node_t* node; + elsif_node_t* elsif_node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(if_node_t)); + + node->common.type = QUE_NODE_IF; + + node->cond = cond; + + pars_resolve_exp_variables_and_types(NULL, cond); + + node->stat_list = stat_list; + + if (else_part && (que_node_get_type(else_part) == QUE_NODE_ELSIF)) { + + /* There is a list of elsif conditions */ + + node->else_part = NULL; + node->elsif_list = else_part; + + elsif_node = else_part; + + while (elsif_node) { + pars_set_parent_in_list(elsif_node->stat_list, node); + + elsif_node = que_node_get_next(elsif_node); + } + } else { + node->else_part = else_part; + node->elsif_list = NULL; + + pars_set_parent_in_list(else_part, node); + } + + pars_set_parent_in_list(stat_list, node); + + return(node); +} + +/*********************************************************************//** +Parses a while-statement. +@return while-statement node */ +UNIV_INTERN +while_node_t* +pars_while_statement( +/*=================*/ + que_node_t* cond, /*!< in: while-condition */ + que_node_t* stat_list) /*!< in: statement list */ +{ + while_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(while_node_t)); + + node->common.type = QUE_NODE_WHILE; + + node->cond = cond; + + pars_resolve_exp_variables_and_types(NULL, cond); + + node->stat_list = stat_list; + + pars_set_parent_in_list(stat_list, node); + + return(node); +} + +/*********************************************************************//** +Parses a for-loop-statement. +@return for-statement node */ +UNIV_INTERN +for_node_t* +pars_for_statement( +/*===============*/ + sym_node_t* loop_var, /*!< in: loop variable */ + que_node_t* loop_start_limit,/*!< in: loop start expression */ + que_node_t* loop_end_limit, /*!< in: loop end expression */ + que_node_t* stat_list) /*!< in: statement list */ +{ + for_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(for_node_t)); + + node->common.type = QUE_NODE_FOR; + + pars_resolve_exp_variables_and_types(NULL, loop_var); + pars_resolve_exp_variables_and_types(NULL, loop_start_limit); + pars_resolve_exp_variables_and_types(NULL, loop_end_limit); + + node->loop_var = loop_var->indirection; + + ut_a(loop_var->indirection); + + node->loop_start_limit = loop_start_limit; + node->loop_end_limit = loop_end_limit; + + node->stat_list = stat_list; + + pars_set_parent_in_list(stat_list, node); + + return(node); +} + +/*********************************************************************//** +Parses an exit statement. +@return exit statement node */ +UNIV_INTERN +exit_node_t* +pars_exit_statement(void) +/*=====================*/ +{ + exit_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(exit_node_t)); + node->common.type = QUE_NODE_EXIT; + + return(node); +} + +/*********************************************************************//** +Parses a return-statement. +@return return-statement node */ +UNIV_INTERN +return_node_t* +pars_return_statement(void) +/*=======================*/ +{ + return_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, + sizeof(return_node_t)); + node->common.type = QUE_NODE_RETURN; + + return(node); +} + +/*********************************************************************//** +Parses an assignment statement. +@return assignment statement node */ +UNIV_INTERN +assign_node_t* +pars_assignment_statement( +/*======================*/ + sym_node_t* var, /*!< in: variable to assign */ + que_node_t* val) /*!< in: value to assign */ +{ + assign_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, + sizeof(assign_node_t)); + node->common.type = QUE_NODE_ASSIGNMENT; + + node->var = var; + node->val = val; + + pars_resolve_exp_variables_and_types(NULL, var); + pars_resolve_exp_variables_and_types(NULL, val); + + ut_a(dtype_get_mtype(dfield_get_type(que_node_get_val(var))) + == dtype_get_mtype(dfield_get_type(que_node_get_val(val)))); + + return(node); +} + +/*********************************************************************//** +Parses a procedure call. +@return function node */ +UNIV_INTERN +func_node_t* +pars_procedure_call( +/*================*/ + que_node_t* res_word,/*!< in: procedure name reserved word */ + que_node_t* args) /*!< in: argument list */ +{ + func_node_t* node; + + node = pars_func(res_word, args); + + pars_resolve_exp_list_variables_and_types(NULL, args); + + return(node); +} + +/*********************************************************************//** +Parses a fetch statement. into_list or user_func (but not both) must be +non-NULL. +@return fetch statement node */ +UNIV_INTERN +fetch_node_t* +pars_fetch_statement( +/*=================*/ + sym_node_t* cursor, /*!< in: cursor node */ + sym_node_t* into_list, /*!< in: variables to set, or NULL */ + sym_node_t* user_func) /*!< in: user function name, or NULL */ +{ + sym_node_t* cursor_decl; + fetch_node_t* node; + + /* Logical XOR. */ + ut_a(!into_list != !user_func); + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(fetch_node_t)); + + node->common.type = QUE_NODE_FETCH; + + pars_resolve_exp_variables_and_types(NULL, cursor); + + if (into_list) { + pars_resolve_exp_list_variables_and_types(NULL, into_list); + node->into_list = into_list; + node->func = NULL; + } else { + pars_resolve_exp_variables_and_types(NULL, user_func); + + node->func = pars_info_get_user_func(pars_sym_tab_global->info, + user_func->name); + ut_a(node->func); + + node->into_list = NULL; + } + + cursor_decl = cursor->alias; + + ut_a(cursor_decl->token_type == SYM_CURSOR); + + node->cursor_def = cursor_decl->cursor_def; + + if (into_list) { + ut_a(que_node_list_get_len(into_list) + == que_node_list_get_len(node->cursor_def->select_list)); + } + + return(node); +} + +/*********************************************************************//** +Parses an open or close cursor statement. +@return fetch statement node */ +UNIV_INTERN +open_node_t* +pars_open_statement( +/*================*/ + ulint type, /*!< in: ROW_SEL_OPEN_CURSOR + or ROW_SEL_CLOSE_CURSOR */ + sym_node_t* cursor) /*!< in: cursor node */ +{ + sym_node_t* cursor_decl; + open_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(open_node_t)); + + node->common.type = QUE_NODE_OPEN; + + pars_resolve_exp_variables_and_types(NULL, cursor); + + cursor_decl = cursor->alias; + + ut_a(cursor_decl->token_type == SYM_CURSOR); + + node->op_type = type; + node->cursor_def = cursor_decl->cursor_def; + + return(node); +} + +/*********************************************************************//** +Parses a row_printf-statement. +@return row_printf-statement node */ +UNIV_INTERN +row_printf_node_t* +pars_row_printf_statement( +/*======================*/ + sel_node_t* sel_node) /*!< in: select node */ +{ + row_printf_node_t* node; + + node = mem_heap_alloc(pars_sym_tab_global->heap, + sizeof(row_printf_node_t)); + node->common.type = QUE_NODE_ROW_PRINTF; + + node->sel_node = sel_node; + + sel_node->common.parent = node; + + return(node); +} + +/*********************************************************************//** +Parses a commit statement. +@return own: commit node struct */ +UNIV_INTERN +commit_node_t* +pars_commit_statement(void) +/*=======================*/ +{ + return(commit_node_create(pars_sym_tab_global->heap)); +} + +/*********************************************************************//** +Parses a rollback statement. +@return own: rollback node struct */ +UNIV_INTERN +roll_node_t* +pars_rollback_statement(void) +/*=========================*/ +{ + return(roll_node_create(pars_sym_tab_global->heap)); +} + +/*********************************************************************//** +Parses a column definition at a table creation. +@return column sym table node */ +UNIV_INTERN +sym_node_t* +pars_column_def( +/*============*/ + sym_node_t* sym_node, /*!< in: column node in the + symbol table */ + pars_res_word_t* type, /*!< in: data type */ + sym_node_t* len, /*!< in: length of column, or + NULL */ + void* is_unsigned, /*!< in: if not NULL, column + is of type UNSIGNED. */ + void* is_not_null) /*!< in: if not NULL, column + is of type NOT NULL. */ +{ + ulint len2; + + if (len) { + len2 = eval_node_get_int_val(len); + } else { + len2 = 0; + } + + pars_set_dfield_type(que_node_get_val(sym_node), type, len2, + is_unsigned != NULL, is_not_null != NULL); + + return(sym_node); +} + +/*********************************************************************//** +Parses a table creation operation. +@return table create subgraph */ +UNIV_INTERN +tab_node_t* +pars_create_table( +/*==============*/ + sym_node_t* table_sym, /*!< in: table name node in the symbol + table */ + sym_node_t* column_defs, /*!< in: list of column names */ + void* not_fit_in_memory __attribute__((unused))) + /*!< in: a non-NULL pointer means that + this is a table which in simulations + should be simulated as not fitting + in memory; thread is put to sleep + to simulate disk accesses; NOTE that + this flag is not stored to the data + dictionary on disk, and the database + will forget about non-NULL value if + it has to reload the table definition + from disk */ +{ + dict_table_t* table; + sym_node_t* column; + tab_node_t* node; + const dtype_t* dtype; + ulint n_cols; + + n_cols = que_node_list_get_len(column_defs); + + /* As the InnoDB SQL parser is for internal use only, + for creating some system tables, this function will only + create tables in the old (not compact) record format. */ + table = dict_mem_table_create(table_sym->name, 0, n_cols, 0); + +#ifdef UNIV_DEBUG + if (not_fit_in_memory != NULL) { + table->does_not_fit_in_memory = TRUE; + } +#endif /* UNIV_DEBUG */ + column = column_defs; + + while (column) { + dtype = dfield_get_type(que_node_get_val(column)); + + dict_mem_table_add_col(table, table->heap, + column->name, dtype->mtype, + dtype->prtype, dtype->len); + column->resolved = TRUE; + column->token_type = SYM_COLUMN; + + column = que_node_get_next(column); + } + + node = tab_create_graph_create(table, pars_sym_tab_global->heap); + + table_sym->resolved = TRUE; + table_sym->token_type = SYM_TABLE; + + return(node); +} + +/*********************************************************************//** +Parses an index creation operation. +@return index create subgraph */ +UNIV_INTERN +ind_node_t* +pars_create_index( +/*==============*/ + pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ + pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ + sym_node_t* index_sym, /*!< in: index name node in the symbol + table */ + sym_node_t* table_sym, /*!< in: table name node in the symbol + table */ + sym_node_t* column_list) /*!< in: list of column names */ +{ + dict_index_t* index; + sym_node_t* column; + ind_node_t* node; + ulint n_fields; + ulint ind_type; + + n_fields = que_node_list_get_len(column_list); + + ind_type = 0; + + if (unique_def) { + ind_type = ind_type | DICT_UNIQUE; + } + + if (clustered_def) { + ind_type = ind_type | DICT_CLUSTERED; + } + + index = dict_mem_index_create(table_sym->name, index_sym->name, 0, + ind_type, n_fields); + column = column_list; + + while (column) { + dict_mem_index_add_field(index, column->name, 0); + + column->resolved = TRUE; + column->token_type = SYM_COLUMN; + + column = que_node_get_next(column); + } + + node = ind_create_graph_create(index, pars_sym_tab_global->heap); + + table_sym->resolved = TRUE; + table_sym->token_type = SYM_TABLE; + + index_sym->resolved = TRUE; + index_sym->token_type = SYM_TABLE; + + return(node); +} + +/*********************************************************************//** +Parses a procedure definition. +@return query fork node */ +UNIV_INTERN +que_fork_t* +pars_procedure_definition( +/*======================*/ + sym_node_t* sym_node, /*!< in: procedure id node in the symbol + table */ + sym_node_t* param_list, /*!< in: parameter declaration list */ + que_node_t* stat_list) /*!< in: statement list */ +{ + proc_node_t* node; + que_fork_t* fork; + que_thr_t* thr; + mem_heap_t* heap; + + heap = pars_sym_tab_global->heap; + + fork = que_fork_create(NULL, NULL, QUE_FORK_PROCEDURE, heap); + fork->trx = NULL; + + thr = que_thr_create(fork, heap); + + node = mem_heap_alloc(heap, sizeof(proc_node_t)); + + node->common.type = QUE_NODE_PROC; + node->common.parent = thr; + + sym_node->token_type = SYM_PROCEDURE_NAME; + sym_node->resolved = TRUE; + + node->proc_id = sym_node; + node->param_list = param_list; + node->stat_list = stat_list; + + pars_set_parent_in_list(stat_list, node); + + node->sym_tab = pars_sym_tab_global; + + thr->child = node; + + pars_sym_tab_global->query_graph = fork; + + return(fork); +} + +/*************************************************************//** +Parses a stored procedure call, when this is not within another stored +procedure, that is, the client issues a procedure call directly. +In MySQL/InnoDB, stored InnoDB procedures are invoked via the +parsed procedure tree, not via InnoDB SQL, so this function is not used. +@return query graph */ +UNIV_INTERN +que_fork_t* +pars_stored_procedure_call( +/*=======================*/ + sym_node_t* sym_node __attribute__((unused))) + /*!< in: stored procedure name */ +{ + ut_error; + return(NULL); +} + +/*************************************************************//** +Retrieves characters to the lexical analyzer. */ +UNIV_INTERN +void +pars_get_lex_chars( +/*===============*/ + char* buf, /*!< in/out: buffer where to copy */ + int* result, /*!< out: number of characters copied or EOF */ + int max_size) /*!< in: maximum number of characters which fit + in the buffer */ +{ + int len; + + len = pars_sym_tab_global->string_len + - pars_sym_tab_global->next_char_pos; + if (len == 0) { +#ifdef YYDEBUG + /* fputs("SQL string ends\n", stderr); */ +#endif + *result = 0; + + return; + } + + if (len > max_size) { + len = max_size; + } + +#ifdef UNIV_SQL_DEBUG + if (pars_print_lexed) { + + if (len >= 5) { + len = 5; + } + + fwrite(pars_sym_tab_global->sql_string + + pars_sym_tab_global->next_char_pos, + 1, len, stderr); + } +#endif /* UNIV_SQL_DEBUG */ + + ut_memcpy(buf, pars_sym_tab_global->sql_string + + pars_sym_tab_global->next_char_pos, len); + *result = len; + + pars_sym_tab_global->next_char_pos += len; +} + +/*************************************************************//** +Called by yyparse on error. */ +UNIV_INTERN +void +yyerror( +/*====*/ + const char* s __attribute__((unused))) + /*!< in: error message string */ +{ + ut_ad(s); + + fputs("PARSER ERROR: Syntax error in SQL string\n", stderr); + + ut_error; +} + +/*************************************************************//** +Parses an SQL string returning the query graph. +@return own: the query graph */ +UNIV_INTERN +que_t* +pars_sql( +/*=====*/ + pars_info_t* info, /*!< in: extra information, or NULL */ + const char* str) /*!< in: SQL string */ +{ + sym_node_t* sym_node; + mem_heap_t* heap; + que_t* graph; + + ut_ad(str); + + heap = mem_heap_create(256); + + /* Currently, the parser is not reentrant: */ + ut_ad(mutex_own(&(dict_sys->mutex))); + + pars_sym_tab_global = sym_tab_create(heap); + + pars_sym_tab_global->string_len = strlen(str); + pars_sym_tab_global->sql_string = mem_heap_dup( + heap, str, pars_sym_tab_global->string_len + 1); + pars_sym_tab_global->next_char_pos = 0; + pars_sym_tab_global->info = info; + + yyparse(); + + sym_node = UT_LIST_GET_FIRST(pars_sym_tab_global->sym_list); + + while (sym_node) { + ut_a(sym_node->resolved); + + sym_node = UT_LIST_GET_NEXT(sym_list, sym_node); + } + + graph = pars_sym_tab_global->query_graph; + + graph->sym_tab = pars_sym_tab_global; + graph->info = info; + + /* fprintf(stderr, "SQL graph size %lu\n", mem_heap_get_size(heap)); */ + + return(graph); +} + +/******************************************************************//** +Completes a query graph by adding query thread and fork nodes +above it and prepares the graph for running. The fork created is of +type QUE_FORK_MYSQL_INTERFACE. +@return query thread node to run */ +UNIV_INTERN +que_thr_t* +pars_complete_graph_for_exec( +/*=========================*/ + que_node_t* node, /*!< in: root node for an incomplete + query graph */ + trx_t* trx, /*!< in: transaction handle */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ +{ + que_fork_t* fork; + que_thr_t* thr; + + fork = que_fork_create(NULL, NULL, QUE_FORK_MYSQL_INTERFACE, heap); + fork->trx = trx; + + thr = que_thr_create(fork, heap); + + thr->child = node; + + que_node_set_parent(node, thr); + + trx->graph = NULL; + + return(thr); +} + +/****************************************************************//** +Create parser info struct. +@return own: info struct */ +UNIV_INTERN +pars_info_t* +pars_info_create(void) +/*==================*/ +{ + pars_info_t* info; + mem_heap_t* heap; + + heap = mem_heap_create(512); + + info = mem_heap_alloc(heap, sizeof(*info)); + + info->heap = heap; + info->funcs = NULL; + info->bound_lits = NULL; + info->bound_ids = NULL; + info->graph_owns_us = TRUE; + + return(info); +} + +/****************************************************************//** +Free info struct and everything it contains. */ +UNIV_INTERN +void +pars_info_free( +/*===========*/ + pars_info_t* info) /*!< in, own: info struct */ +{ + mem_heap_free(info->heap); +} + +/****************************************************************//** +Add bound literal. */ +UNIV_INTERN +void +pars_info_add_literal( +/*==================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const void* address, /*!< in: address */ + ulint length, /*!< in: length of data */ + ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ + ulint prtype) /*!< in: precise type, e.g. + DATA_UNSIGNED */ +{ + pars_bound_lit_t* pbl; + + ut_ad(!pars_info_get_bound_lit(info, name)); + + pbl = mem_heap_alloc(info->heap, sizeof(*pbl)); + + pbl->name = name; + pbl->address = address; + pbl->length = length; + pbl->type = type; + pbl->prtype = prtype; + + if (!info->bound_lits) { + info->bound_lits = ib_vector_create(info->heap, 8); + } + + ib_vector_push(info->bound_lits, pbl); +} + +/****************************************************************//** +Equivalent to pars_info_add_literal(info, name, str, strlen(str), +DATA_VARCHAR, DATA_ENGLISH). */ +UNIV_INTERN +void +pars_info_add_str_literal( +/*======================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* str) /*!< in: string */ +{ + pars_info_add_literal(info, name, str, strlen(str), + DATA_VARCHAR, DATA_ENGLISH); +} + +/****************************************************************//** +Equivalent to: + +char buf[4]; +mach_write_to_4(buf, val); +pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_int4_literal( +/*=======================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + lint val) /*!< in: value */ +{ + byte* buf = mem_heap_alloc(info->heap, 4); + + mach_write_to_4(buf, val); + pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); +} + +/****************************************************************//** +Equivalent to: + +char buf[8]; +mach_write_to_8(buf, val); +pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_dulint_literal( +/*=========================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + dulint val) /*!< in: value */ +{ + byte* buf = mem_heap_alloc(info->heap, 8); + + mach_write_to_8(buf, val); + + pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); +} + +/****************************************************************//** +Add user function. */ +UNIV_INTERN +void +pars_info_add_function( +/*===================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: function name */ + pars_user_func_cb_t func, /*!< in: function address */ + void* arg) /*!< in: user-supplied argument */ +{ + pars_user_func_t* puf; + + ut_ad(!pars_info_get_user_func(info, name)); + + puf = mem_heap_alloc(info->heap, sizeof(*puf)); + + puf->name = name; + puf->func = func; + puf->arg = arg; + + if (!info->funcs) { + info->funcs = ib_vector_create(info->heap, 8); + } + + ib_vector_push(info->funcs, puf); +} + +/****************************************************************//** +Add bound id. */ +UNIV_INTERN +void +pars_info_add_id( +/*=============*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + const char* id) /*!< in: id */ +{ + pars_bound_id_t* bid; + + ut_ad(!pars_info_get_bound_id(info, name)); + + bid = mem_heap_alloc(info->heap, sizeof(*bid)); + + bid->name = name; + bid->id = id; + + if (!info->bound_ids) { + info->bound_ids = ib_vector_create(info->heap, 8); + } + + ib_vector_push(info->bound_ids, bid); +} + +/****************************************************************//** +Get user function with the given name. +@return user func, or NULL if not found */ +UNIV_INTERN +pars_user_func_t* +pars_info_get_user_func( +/*====================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: function name to find*/ +{ + ulint i; + ib_vector_t* vec; + + if (!info || !info->funcs) { + return(NULL); + } + + vec = info->funcs; + + for (i = 0; i < ib_vector_size(vec); i++) { + pars_user_func_t* puf = ib_vector_get(vec, i); + + if (strcmp(puf->name, name) == 0) { + return(puf); + } + } + + return(NULL); +} + +/****************************************************************//** +Get bound literal with the given name. +@return bound literal, or NULL if not found */ +UNIV_INTERN +pars_bound_lit_t* +pars_info_get_bound_lit( +/*====================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: bound literal name to find */ +{ + ulint i; + ib_vector_t* vec; + + if (!info || !info->bound_lits) { + return(NULL); + } + + vec = info->bound_lits; + + for (i = 0; i < ib_vector_size(vec); i++) { + pars_bound_lit_t* pbl = ib_vector_get(vec, i); + + if (strcmp(pbl->name, name) == 0) { + return(pbl); + } + } + + return(NULL); +} + +/****************************************************************//** +Get bound id with the given name. +@return bound id, or NULL if not found */ +UNIV_INTERN +pars_bound_id_t* +pars_info_get_bound_id( +/*===================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name) /*!< in: bound id name to find */ +{ + ulint i; + ib_vector_t* vec; + + if (!info || !info->bound_ids) { + return(NULL); + } + + vec = info->bound_ids; + + for (i = 0; i < ib_vector_size(vec); i++) { + pars_bound_id_t* bid = ib_vector_get(vec, i); + + if (strcmp(bid->name, name) == 0) { + return(bid); + } + } + + return(NULL); +} diff --git a/perfschema/pars/pars0sym.c b/perfschema/pars/pars0sym.c new file mode 100644 index 00000000000..b56350116bb --- /dev/null +++ b/perfschema/pars/pars0sym.c @@ -0,0 +1,371 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file pars/pars0sym.c +SQL parser symbol table + +Created 12/15/1997 Heikki Tuuri +*******************************************************/ + +#include "pars0sym.h" + +#ifdef UNIV_NONINL +#include "pars0sym.ic" +#endif + +#include "mem0mem.h" +#include "data0type.h" +#include "data0data.h" +#include "pars0grm.h" +#include "pars0pars.h" +#include "que0que.h" +#include "eval0eval.h" +#include "row0sel.h" + +/******************************************************************//** +Creates a symbol table for a single stored procedure or query. +@return own: symbol table */ +UNIV_INTERN +sym_tab_t* +sym_tab_create( +/*===========*/ + mem_heap_t* heap) /*!< in: memory heap where to create */ +{ + sym_tab_t* sym_tab; + + sym_tab = mem_heap_alloc(heap, sizeof(sym_tab_t)); + + UT_LIST_INIT(sym_tab->sym_list); + UT_LIST_INIT(sym_tab->func_node_list); + + sym_tab->heap = heap; + + return(sym_tab); +} + +/******************************************************************//** +Frees the memory allocated dynamically AFTER parsing phase for variables +etc. in the symbol table. Does not free the mem heap where the table was +originally created. Frees also SQL explicit cursor definitions. */ +UNIV_INTERN +void +sym_tab_free_private( +/*=================*/ + sym_tab_t* sym_tab) /*!< in, own: symbol table */ +{ + sym_node_t* sym; + func_node_t* func; + + sym = UT_LIST_GET_FIRST(sym_tab->sym_list); + + while (sym) { + eval_node_free_val_buf(sym); + + if (sym->prefetch_buf) { + sel_col_prefetch_buf_free(sym->prefetch_buf); + } + + if (sym->cursor_def) { + que_graph_free_recursive(sym->cursor_def); + } + + sym = UT_LIST_GET_NEXT(sym_list, sym); + } + + func = UT_LIST_GET_FIRST(sym_tab->func_node_list); + + while (func) { + eval_node_free_val_buf(func); + + func = UT_LIST_GET_NEXT(func_node_list, func); + } +} + +/******************************************************************//** +Adds an integer literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_int_lit( +/*================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + ulint val) /*!< in: integer value */ +{ + sym_node_t* node; + byte* data; + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = TRUE; + node->token_type = SYM_LIT; + + node->indirection = NULL; + + dtype_set(dfield_get_type(&node->common.val), DATA_INT, 0, 4); + + data = mem_heap_alloc(sym_tab->heap, 4); + mach_write_to_4(data, val); + + dfield_set_data(&(node->common.val), data, 4); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + node->sym_table = sym_tab; + + return(node); +} + +/******************************************************************//** +Adds a string literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_str_lit( +/*================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* str, /*!< in: string with no quotes around + it */ + ulint len) /*!< in: string length */ +{ + sym_node_t* node; + byte* data; + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = TRUE; + node->token_type = SYM_LIT; + + node->indirection = NULL; + + dtype_set(dfield_get_type(&node->common.val), + DATA_VARCHAR, DATA_ENGLISH, 0); + + if (len) { + data = mem_heap_alloc(sym_tab->heap, len); + ut_memcpy(data, str, len); + } else { + data = NULL; + } + + dfield_set_data(&(node->common.val), data, len); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + node->sym_table = sym_tab; + + return(node); +} + +/******************************************************************//** +Add a bound literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_bound_lit( +/*==================*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name, /*!< in: name of bound literal */ + ulint* lit_type) /*!< out: type of literal (PARS_*_LIT) */ +{ + sym_node_t* node; + pars_bound_lit_t* blit; + ulint len = 0; + + blit = pars_info_get_bound_lit(sym_tab->info, name); + ut_a(blit); + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = TRUE; + node->token_type = SYM_LIT; + + node->indirection = NULL; + + switch (blit->type) { + case DATA_FIXBINARY: + len = blit->length; + *lit_type = PARS_FIXBINARY_LIT; + break; + + case DATA_BLOB: + *lit_type = PARS_BLOB_LIT; + break; + + case DATA_VARCHAR: + *lit_type = PARS_STR_LIT; + break; + + case DATA_CHAR: + ut_a(blit->length > 0); + + len = blit->length; + *lit_type = PARS_STR_LIT; + break; + + case DATA_INT: + ut_a(blit->length > 0); + ut_a(blit->length <= 8); + + len = blit->length; + *lit_type = PARS_INT_LIT; + break; + + default: + ut_error; + } + + dtype_set(dfield_get_type(&node->common.val), + blit->type, blit->prtype, len); + + dfield_set_data(&(node->common.val), blit->address, blit->length); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + node->sym_table = sym_tab; + + return(node); +} + +/******************************************************************//** +Adds an SQL null literal to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_null_lit( +/*=================*/ + sym_tab_t* sym_tab) /*!< in: symbol table */ +{ + sym_node_t* node; + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = TRUE; + node->token_type = SYM_LIT; + + node->indirection = NULL; + + dfield_get_type(&node->common.val)->mtype = DATA_ERROR; + + dfield_set_null(&node->common.val); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + node->sym_table = sym_tab; + + return(node); +} + +/******************************************************************//** +Adds an identifier to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_id( +/*===========*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + byte* name, /*!< in: identifier name */ + ulint len) /*!< in: identifier length */ +{ + sym_node_t* node; + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = FALSE; + node->indirection = NULL; + + node->name = mem_heap_strdupl(sym_tab->heap, (char*) name, len); + node->name_len = len; + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + dfield_set_null(&node->common.val); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + node->sym_table = sym_tab; + + return(node); +} + +/******************************************************************//** +Add a bound identifier to a symbol table. +@return symbol table node */ +UNIV_INTERN +sym_node_t* +sym_tab_add_bound_id( +/*===========*/ + sym_tab_t* sym_tab, /*!< in: symbol table */ + const char* name) /*!< in: name of bound id */ +{ + sym_node_t* node; + pars_bound_id_t* bid; + + bid = pars_info_get_bound_id(sym_tab->info, name); + ut_a(bid); + + node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); + + node->common.type = QUE_NODE_SYMBOL; + + node->resolved = FALSE; + node->indirection = NULL; + + node->name = mem_heap_strdup(sym_tab->heap, bid->id); + node->name_len = strlen(node->name); + + UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); + + dfield_set_null(&node->common.val); + + node->common.val_buf_size = 0; + node->prefetch_buf = NULL; + node->cursor_def = NULL; + + node->sym_table = sym_tab; + + return(node); +} diff --git a/perfschema/plug.in b/perfschema/plug.in new file mode 100644 index 00000000000..eb51e0ebaa1 --- /dev/null +++ b/perfschema/plug.in @@ -0,0 +1,233 @@ +# +# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# + +MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine], + [Transactional Tables using InnoDB], [max,max-no-ndb]) +MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase]) +MYSQL_PLUGIN_STATIC(innobase, [libinnobase.a]) +MYSQL_PLUGIN_DYNAMIC(innobase, [ha_innodb.la]) +MYSQL_PLUGIN_ACTIONS(innobase, [ + AC_CHECK_HEADERS(sched.h) + AC_CHECK_SIZEOF(int, 4) + AC_CHECK_SIZEOF(long, 4) + AC_CHECK_SIZEOF(void*, 4) + AC_CHECK_FUNCS(sched_yield fdatasync localtime_r) + AC_C_BIGENDIAN + case "$target_os" in + lin*) + AC_CHECK_HEADER(libaio.h, + AC_CHECK_LIB(aio, io_setup, + LIBS="$LIBS -laio" + AC_DEFINE(LINUX_NATIVE_AIO, [1], + [Linux native async I/O support]), + AC_MSG_WARN([No Linux native async I/O])), + AC_MSG_WARN([No Linux native async I/O])) + + CFLAGS="$CFLAGS -DUNIV_LINUX";; + hpux10*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";; + hp*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";; + aix*) + CFLAGS="$CFLAGS -DUNIV_AIX";; + irix*|osf*|sysv5uw7*|openbsd*) + CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; + *solaris*|*SunOS*) + CFLAGS="$CFLAGS -DUNIV_SOLARIS";; + esac + + INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" + + case "$target_cpu" in + x86_64) + # The AMD64 ABI forbids absolute addresses in shared libraries + ;; + *86) + # Use absolute addresses on IA-32 + INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic" + ;; + esac + AC_SUBST(INNODB_DYNAMIC_CFLAGS) + + AC_MSG_CHECKING(whether GCC atomic builtins are available) + # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not + AC_TRY_RUN( + [ + int main() + { + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1], + [GCC atomic builtins are available]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + + AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins) + # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not + AC_TRY_RUN( + [ + #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1], + [pthread_t can be used by GCC atomic builtins]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + + AC_MSG_CHECKING(whether Solaris libc atomic functions are available) + # either define HAVE_IB_SOLARIS_ATOMICS or not + AC_CHECK_FUNCS(atomic_add_long \ + atomic_cas_32 \ + atomic_cas_64 \ + atomic_cas_ulong, + + AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1], + [Define to 1 if Solaris libc atomic functions \ + are available]) + ) + + AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions) + # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not + AC_TRY_RUN( + [ + #include + #include + + int main(int argc, char** argv) { + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1], + [pthread_t can be used by solaris atomics]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] + ) + + # this is needed to know which one of atomic_cas_32() or atomic_cas_64() + # to use in the source + AC_CHECK_SIZEOF([pthread_t], [], [#include ]) + + # Check for x86 PAUSE instruction + AC_MSG_CHECKING(for x86 PAUSE instruction) + # We have to actually try running the test program, because of a bug + # in Solaris on x86_64, where it wrongly reports that PAUSE is not + # supported when trying to run an application. See + # http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684 + # We use ib_ prefix to avoid collisoins if this code is added to + # mysql's configure.in. + AC_TRY_RUN( + [ + int main() { + __asm__ __volatile__ ("pause"); + return(0); + } + ], + [ + AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ], + [ + AC_MSG_RESULT(no) + ] + ) + ]) + +# vim: set ft=config: diff --git a/perfschema/que/que0que.c b/perfschema/que/que0que.c new file mode 100644 index 00000000000..2fe046fa9b8 --- /dev/null +++ b/perfschema/que/que0que.c @@ -0,0 +1,1436 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file que/que0que.c +Query graph + +Created 5/27/1996 Heikki Tuuri +*******************************************************/ + +#include "que0que.h" + +#ifdef UNIV_NONINL +#include "que0que.ic" +#endif + +#include "srv0que.h" +#include "usr0sess.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "row0undo.h" +#include "row0ins.h" +#include "row0upd.h" +#include "row0sel.h" +#include "row0purge.h" +#include "dict0crea.h" +#include "log0log.h" +#include "eval0proc.h" +#include "eval0eval.h" +#include "pars0types.h" + +#define QUE_PARALLELIZE_LIMIT (64 * 256 * 256 * 256) +#define QUE_ROUND_ROBIN_LIMIT (64 * 256 * 256 * 256) +#define QUE_MAX_LOOPS_WITHOUT_CHECK 16 + +#ifdef UNIV_DEBUG +/* If the following flag is set TRUE, the module will print trace info +of SQL execution in the UNIV_SQL_DEBUG version */ +UNIV_INTERN ibool que_trace_on = FALSE; +#endif /* UNIV_DEBUG */ + +/* Short introduction to query graphs + ================================== + +A query graph consists of nodes linked to each other in various ways. The +execution starts at que_run_threads() which takes a que_thr_t parameter. +que_thr_t contains two fields that control query graph execution: run_node +and prev_node. run_node is the next node to execute and prev_node is the +last node executed. + +Each node has a pointer to a 'next' statement, i.e., its brother, and a +pointer to its parent node. The next pointer is NULL in the last statement +of a block. + +Loop nodes contain a link to the first statement of the enclosed statement +list. While the loop runs, que_thr_step() checks if execution to the loop +node came from its parent or from one of the statement nodes in the loop. If +it came from the parent of the loop node it starts executing the first +statement node in the loop. If it came from one of the statement nodes in +the loop, then it checks if the statement node has another statement node +following it, and runs it if so. + +To signify loop ending, the loop statements (see e.g. while_step()) set +que_thr_t->run_node to the loop node's parent node. This is noticed on the +next call of que_thr_step() and execution proceeds to the node pointed to by +the loop node's 'next' pointer. + +For example, the code: + +X := 1; +WHILE X < 5 LOOP + X := X + 1; + X := X + 1; +X := 5 + +will result in the following node hierarchy, with the X-axis indicating +'next' links and the Y-axis indicating parent/child links: + +A - W - A + | + | + A - A + +A = assign_node_t, W = while_node_t. */ + +/* How a stored procedure containing COMMIT or ROLLBACK commands +is executed? + +The commit or rollback can be seen as a subprocedure call. +The problem is that if there are several query threads +currently running within the transaction, their action could +mess the commit or rollback operation. Or, at the least, the +operation would be difficult to visualize and keep in control. + +Therefore the query thread requesting a commit or a rollback +sends to the transaction a signal, which moves the transaction +to TRX_QUE_SIGNALED state. All running query threads of the +transaction will eventually notice that the transaction is now in +this state and voluntarily suspend themselves. Only the last +query thread which suspends itself will trigger handling of +the signal. + +When the transaction starts to handle a rollback or commit +signal, it builds a query graph which, when executed, will +roll back or commit the incomplete transaction. The transaction +is moved to the TRX_QUE_ROLLING_BACK or TRX_QUE_COMMITTING state. +If specified, the SQL cursors opened by the transaction are closed. +When the execution of the graph completes, it is like returning +from a subprocedure: the query thread which requested the operation +starts running again. */ + +/**********************************************************************//** +Moves a thread from another state to the QUE_THR_RUNNING state. Increments +the n_active_thrs counters of the query graph and transaction. +***NOTE***: This is the only function in which such a transition is allowed +to happen! */ +static +void +que_thr_move_to_run_state( +/*======================*/ + que_thr_t* thr); /*!< in: an query thread */ + +/***********************************************************************//** +Adds a query graph to the session's list of graphs. */ +UNIV_INTERN +void +que_graph_publish( +/*==============*/ + que_t* graph, /*!< in: graph */ + sess_t* sess) /*!< in: session */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + UT_LIST_ADD_LAST(graphs, sess->graphs, graph); +} + +/***********************************************************************//** +Creates a query graph fork node. +@return own: fork node */ +UNIV_INTERN +que_fork_t* +que_fork_create( +/*============*/ + que_t* graph, /*!< in: graph, if NULL then this + fork node is assumed to be the + graph root */ + que_node_t* parent, /*!< in: parent node */ + ulint fork_type, /*!< in: fork type */ + mem_heap_t* heap) /*!< in: memory heap where created */ +{ + que_fork_t* fork; + + ut_ad(heap); + + fork = mem_heap_alloc(heap, sizeof(que_fork_t)); + + fork->common.type = QUE_NODE_FORK; + fork->n_active_thrs = 0; + + fork->state = QUE_FORK_COMMAND_WAIT; + + if (graph != NULL) { + fork->graph = graph; + } else { + fork->graph = fork; + } + + fork->common.parent = parent; + fork->fork_type = fork_type; + + fork->caller = NULL; + + UT_LIST_INIT(fork->thrs); + + fork->sym_tab = NULL; + fork->info = NULL; + + fork->heap = heap; + + return(fork); +} + +/***********************************************************************//** +Creates a query graph thread node. +@return own: query thread node */ +UNIV_INTERN +que_thr_t* +que_thr_create( +/*===========*/ + que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ + mem_heap_t* heap) /*!< in: memory heap where created */ +{ + que_thr_t* thr; + + ut_ad(parent && heap); + + thr = mem_heap_alloc(heap, sizeof(que_thr_t)); + + thr->common.type = QUE_NODE_THR; + thr->common.parent = parent; + + thr->magic_n = QUE_THR_MAGIC_N; + + thr->graph = parent->graph; + + thr->state = QUE_THR_COMMAND_WAIT; + + thr->is_active = FALSE; + + thr->run_node = NULL; + thr->resource = 0; + thr->lock_state = QUE_THR_LOCK_NOLOCK; + + UT_LIST_ADD_LAST(thrs, parent->thrs, thr); + + return(thr); +} + +/**********************************************************************//** +Moves a suspended query thread to the QUE_THR_RUNNING state and may release +a single worker thread to execute it. This function should be used to end +the wait state of a query thread waiting for a lock or a stored procedure +completion. */ +UNIV_INTERN +void +que_thr_end_wait( +/*=============*/ + que_thr_t* thr, /*!< in: query thread in the + QUE_THR_LOCK_WAIT, + or QUE_THR_PROCEDURE_WAIT, or + QUE_THR_SIG_REPLY_WAIT state */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if NULL is passed + as the parameter, it is ignored */ +{ + ibool was_active; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(thr); + ut_ad((thr->state == QUE_THR_LOCK_WAIT) + || (thr->state == QUE_THR_PROCEDURE_WAIT) + || (thr->state == QUE_THR_SIG_REPLY_WAIT)); + ut_ad(thr->run_node); + + thr->prev_node = thr->run_node; + + was_active = thr->is_active; + + que_thr_move_to_run_state(thr); + + if (was_active) { + + return; + } + + if (next_thr && *next_thr == NULL) { + *next_thr = thr; + } else { + ut_a(0); + srv_que_task_enqueue_low(thr); + } +} + +/**********************************************************************//** +Same as que_thr_end_wait, but no parameter next_thr available. */ +UNIV_INTERN +void +que_thr_end_wait_no_next_thr( +/*=========================*/ + que_thr_t* thr) /*!< in: query thread in the QUE_THR_LOCK_WAIT, + or QUE_THR_PROCEDURE_WAIT, or + QUE_THR_SIG_REPLY_WAIT state */ +{ + ibool was_active; + + ut_a(thr->state == QUE_THR_LOCK_WAIT); /* In MySQL this is the + only possible state here */ + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(thr); + ut_ad((thr->state == QUE_THR_LOCK_WAIT) + || (thr->state == QUE_THR_PROCEDURE_WAIT) + || (thr->state == QUE_THR_SIG_REPLY_WAIT)); + + was_active = thr->is_active; + + que_thr_move_to_run_state(thr); + + if (was_active) { + + return; + } + + /* In MySQL we let the OS thread (not just the query thread) to wait + for the lock to be released: */ + + srv_release_mysql_thread_if_suspended(thr); + + /* srv_que_task_enqueue_low(thr); */ +} + +/**********************************************************************//** +Inits a query thread for a command. */ +UNIV_INLINE +void +que_thr_init_command( +/*=================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + thr->run_node = thr; + thr->prev_node = thr->common.parent; + + que_thr_move_to_run_state(thr); +} + +/**********************************************************************//** +Starts execution of a command in a query fork. Picks a query thread which +is not in the QUE_THR_RUNNING state and moves it to that state. If none +can be chosen, a situation which may arise in parallelized fetches, NULL +is returned. +@return a query thread of the graph moved to QUE_THR_RUNNING state, or +NULL; the query thread should be executed by que_run_threads by the +caller */ +UNIV_INTERN +que_thr_t* +que_fork_start_command( +/*===================*/ + que_fork_t* fork) /*!< in: a query fork */ +{ + que_thr_t* thr; + que_thr_t* suspended_thr = NULL; + que_thr_t* completed_thr = NULL; + + fork->state = QUE_FORK_ACTIVE; + + fork->last_sel_node = NULL; + + suspended_thr = NULL; + completed_thr = NULL; + + /* Choose the query thread to run: usually there is just one thread, + but in a parallelized select, which necessarily is non-scrollable, + there may be several to choose from */ + + /* First we try to find a query thread in the QUE_THR_COMMAND_WAIT + state. Then we try to find a query thread in the QUE_THR_SUSPENDED + state, finally we try to find a query thread in the QUE_THR_COMPLETED + state */ + + thr = UT_LIST_GET_FIRST(fork->thrs); + + /* We make a single pass over the thr list within which we note which + threads are ready to run. */ + while (thr) { + switch (thr->state) { + case QUE_THR_COMMAND_WAIT: + + /* We have to send the initial message to query thread + to start it */ + + que_thr_init_command(thr); + + return(thr); + + case QUE_THR_SUSPENDED: + /* In this case the execution of the thread was + suspended: no initial message is needed because + execution can continue from where it was left */ + if (!suspended_thr) { + suspended_thr = thr; + } + + break; + + case QUE_THR_COMPLETED: + if (!completed_thr) { + completed_thr = thr; + } + + break; + + case QUE_THR_LOCK_WAIT: + ut_error; + + } + + thr = UT_LIST_GET_NEXT(thrs, thr); + } + + if (suspended_thr) { + + thr = suspended_thr; + que_thr_move_to_run_state(thr); + + } else if (completed_thr) { + + thr = completed_thr; + que_thr_init_command(thr); + } + + return(thr); +} + +/**********************************************************************//** +After signal handling is finished, returns control to a query graph error +handling routine. (Currently, just returns the control to the root of the +graph so that the graph can communicate an error message to the client.) */ +UNIV_INTERN +void +que_fork_error_handle( +/*==================*/ + trx_t* trx __attribute__((unused)), /*!< in: trx */ + que_t* fork) /*!< in: query graph which was run before signal + handling started, NULL not allowed */ +{ + que_thr_t* thr; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(trx->sess->state == SESS_ERROR); + ut_ad(UT_LIST_GET_LEN(trx->reply_signals) == 0); + ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); + + thr = UT_LIST_GET_FIRST(fork->thrs); + + while (thr != NULL) { + ut_ad(!thr->is_active); + ut_ad(thr->state != QUE_THR_SIG_REPLY_WAIT); + ut_ad(thr->state != QUE_THR_LOCK_WAIT); + + thr->run_node = thr; + thr->prev_node = thr->child; + thr->state = QUE_THR_COMPLETED; + + thr = UT_LIST_GET_NEXT(thrs, thr); + } + + thr = UT_LIST_GET_FIRST(fork->thrs); + + que_thr_move_to_run_state(thr); + + ut_a(0); + srv_que_task_enqueue_low(thr); +} + +/****************************************************************//** +Tests if all the query threads in the same fork have a given state. +@return TRUE if all the query threads in the same fork were in the +given state */ +UNIV_INLINE +ibool +que_fork_all_thrs_in_state( +/*=======================*/ + que_fork_t* fork, /*!< in: query fork */ + ulint state) /*!< in: state */ +{ + que_thr_t* thr_node; + + thr_node = UT_LIST_GET_FIRST(fork->thrs); + + while (thr_node != NULL) { + if (thr_node->state != state) { + + return(FALSE); + } + + thr_node = UT_LIST_GET_NEXT(thrs, thr_node); + } + + return(TRUE); +} + +/**********************************************************************//** +Calls que_graph_free_recursive for statements in a statement list. */ +static +void +que_graph_free_stat_list( +/*=====================*/ + que_node_t* node) /*!< in: first query graph node in the list */ +{ + while (node) { + que_graph_free_recursive(node); + + node = que_node_get_next(node); + } +} + +/**********************************************************************//** +Frees a query graph, but not the heap where it was created. Does not free +explicit cursor declarations, they are freed in que_graph_free. */ +UNIV_INTERN +void +que_graph_free_recursive( +/*=====================*/ + que_node_t* node) /*!< in: query graph node */ +{ + que_fork_t* fork; + que_thr_t* thr; + undo_node_t* undo; + sel_node_t* sel; + ins_node_t* ins; + upd_node_t* upd; + tab_node_t* cre_tab; + ind_node_t* cre_ind; + purge_node_t* purge; + + if (node == NULL) { + + return; + } + + switch (que_node_get_type(node)) { + + case QUE_NODE_FORK: + fork = node; + + thr = UT_LIST_GET_FIRST(fork->thrs); + + while (thr) { + que_graph_free_recursive(thr); + + thr = UT_LIST_GET_NEXT(thrs, thr); + } + + break; + case QUE_NODE_THR: + + thr = node; + + if (thr->magic_n != QUE_THR_MAGIC_N) { + fprintf(stderr, + "que_thr struct appears corrupt;" + " magic n %lu\n", + (unsigned long) thr->magic_n); + mem_analyze_corruption(thr); + ut_error; + } + + thr->magic_n = QUE_THR_MAGIC_FREED; + + que_graph_free_recursive(thr->child); + + break; + case QUE_NODE_UNDO: + + undo = node; + + mem_heap_free(undo->heap); + + break; + case QUE_NODE_SELECT: + + sel = node; + + sel_node_free_private(sel); + + break; + case QUE_NODE_INSERT: + + ins = node; + + que_graph_free_recursive(ins->select); + + mem_heap_free(ins->entry_sys_heap); + + break; + case QUE_NODE_PURGE: + purge = node; + + mem_heap_free(purge->heap); + + break; + + case QUE_NODE_UPDATE: + + upd = node; + + if (upd->in_mysql_interface) { + + btr_pcur_free_for_mysql(upd->pcur); + } + + que_graph_free_recursive(upd->cascade_node); + + if (upd->cascade_heap) { + mem_heap_free(upd->cascade_heap); + } + + que_graph_free_recursive(upd->select); + + mem_heap_free(upd->heap); + + break; + case QUE_NODE_CREATE_TABLE: + cre_tab = node; + + que_graph_free_recursive(cre_tab->tab_def); + que_graph_free_recursive(cre_tab->col_def); + que_graph_free_recursive(cre_tab->commit_node); + + mem_heap_free(cre_tab->heap); + + break; + case QUE_NODE_CREATE_INDEX: + cre_ind = node; + + que_graph_free_recursive(cre_ind->ind_def); + que_graph_free_recursive(cre_ind->field_def); + que_graph_free_recursive(cre_ind->commit_node); + + mem_heap_free(cre_ind->heap); + + break; + case QUE_NODE_PROC: + que_graph_free_stat_list(((proc_node_t*)node)->stat_list); + + break; + case QUE_NODE_IF: + que_graph_free_stat_list(((if_node_t*)node)->stat_list); + que_graph_free_stat_list(((if_node_t*)node)->else_part); + que_graph_free_stat_list(((if_node_t*)node)->elsif_list); + + break; + case QUE_NODE_ELSIF: + que_graph_free_stat_list(((elsif_node_t*)node)->stat_list); + + break; + case QUE_NODE_WHILE: + que_graph_free_stat_list(((while_node_t*)node)->stat_list); + + break; + case QUE_NODE_FOR: + que_graph_free_stat_list(((for_node_t*)node)->stat_list); + + break; + + case QUE_NODE_ASSIGNMENT: + case QUE_NODE_EXIT: + case QUE_NODE_RETURN: + case QUE_NODE_COMMIT: + case QUE_NODE_ROLLBACK: + case QUE_NODE_LOCK: + case QUE_NODE_FUNC: + case QUE_NODE_ORDER: + case QUE_NODE_ROW_PRINTF: + case QUE_NODE_OPEN: + case QUE_NODE_FETCH: + /* No need to do anything */ + + break; + default: + fprintf(stderr, + "que_node struct appears corrupt; type %lu\n", + (unsigned long) que_node_get_type(node)); + mem_analyze_corruption(node); + ut_error; + } +} + +/**********************************************************************//** +Frees a query graph. */ +UNIV_INTERN +void +que_graph_free( +/*===========*/ + que_t* graph) /*!< in: query graph; we assume that the memory + heap where this graph was created is private + to this graph: if not, then use + que_graph_free_recursive and free the heap + afterwards! */ +{ + ut_ad(graph); + + if (graph->sym_tab) { + /* The following call frees dynamic memory allocated + for variables etc. during execution. Frees also explicit + cursor definitions. */ + + sym_tab_free_private(graph->sym_tab); + } + + if (graph->info && graph->info->graph_owns_us) { + pars_info_free(graph->info); + } + + que_graph_free_recursive(graph); + + mem_heap_free(graph->heap); +} + +/****************************************************************//** +Performs an execution step on a thr node. +@return query thread to run next, or NULL if none */ +static +que_thr_t* +que_thr_node_step( +/*==============*/ + que_thr_t* thr) /*!< in: query thread where run_node must + be the thread node itself */ +{ + ut_ad(thr->run_node == thr); + + if (thr->prev_node == thr->common.parent) { + /* If control to the node came from above, it is just passed + on */ + + thr->run_node = thr->child; + + return(thr); + } + + mutex_enter(&kernel_mutex); + + if (que_thr_peek_stop(thr)) { + + mutex_exit(&kernel_mutex); + + return(thr); + } + + /* Thread execution completed */ + + thr->state = QUE_THR_COMPLETED; + + mutex_exit(&kernel_mutex); + + return(NULL); +} + +/**********************************************************************//** +Moves a thread from another state to the QUE_THR_RUNNING state. Increments +the n_active_thrs counters of the query graph and transaction if thr was +not active. +***NOTE***: This and ..._mysql are the only functions in which such a +transition is allowed to happen! */ +static +void +que_thr_move_to_run_state( +/*======================*/ + que_thr_t* thr) /*!< in: an query thread */ +{ + trx_t* trx; + + ut_ad(thr->state != QUE_THR_RUNNING); + + trx = thr_get_trx(thr); + + if (!thr->is_active) { + + (thr->graph)->n_active_thrs++; + + trx->n_active_thrs++; + + thr->is_active = TRUE; + + ut_ad((thr->graph)->n_active_thrs == 1); + ut_ad(trx->n_active_thrs == 1); + } + + thr->state = QUE_THR_RUNNING; +} + +/**********************************************************************//** +Decrements the query thread reference counts in the query graph and the +transaction. May start signal handling, e.g., a rollback. +*** NOTE ***: +This and que_thr_stop_for_mysql are the only functions where the reference +count can be decremented and this function may only be called from inside +que_run_threads or que_thr_check_if_switch! These restrictions exist to make +the rollback code easier to maintain. */ +static +void +que_thr_dec_refer_count( +/*====================*/ + que_thr_t* thr, /*!< in: query thread */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +{ + que_fork_t* fork; + trx_t* trx; + ulint fork_type; + ibool stopped; + + fork = thr->common.parent; + trx = thr_get_trx(thr); + + mutex_enter(&kernel_mutex); + + ut_a(thr->is_active); + + if (thr->state == QUE_THR_RUNNING) { + + stopped = que_thr_stop(thr); + + if (!stopped) { + /* The reason for the thr suspension or wait was + already canceled before we came here: continue + running the thread */ + + /* fputs("!!!!!!!! Wait already ended: continue thr\n", + stderr); */ + + if (next_thr && *next_thr == NULL) { + /* Normally srv_suspend_mysql_thread resets + the state to DB_SUCCESS before waiting, but + in this case we have to do it here, + otherwise nobody does it. */ + trx->error_state = DB_SUCCESS; + + *next_thr = thr; + } else { + ut_error; + srv_que_task_enqueue_low(thr); + } + + mutex_exit(&kernel_mutex); + + return; + } + } + + ut_ad(fork->n_active_thrs == 1); + ut_ad(trx->n_active_thrs == 1); + + fork->n_active_thrs--; + trx->n_active_thrs--; + + thr->is_active = FALSE; + + if (trx->n_active_thrs > 0) { + + mutex_exit(&kernel_mutex); + + return; + } + + fork_type = fork->fork_type; + + /* Check if all query threads in the same fork are completed */ + + if (que_fork_all_thrs_in_state(fork, QUE_THR_COMPLETED)) { + + switch (fork_type) { + case QUE_FORK_ROLLBACK: + /* This is really the undo graph used in rollback, + no roll_node in this graph */ + + ut_ad(UT_LIST_GET_LEN(trx->signals) > 0); + ut_ad(trx->handling_signals == TRUE); + + trx_finish_rollback_off_kernel(fork, trx, next_thr); + break; + + case QUE_FORK_PURGE: + case QUE_FORK_RECOVERY: + case QUE_FORK_MYSQL_INTERFACE: + + /* Do nothing */ + break; + + default: + ut_error; /*!< not used in MySQL */ + } + } + + if (UT_LIST_GET_LEN(trx->signals) > 0 && trx->n_active_thrs == 0) { + + /* If the trx is signaled and its query thread count drops to + zero, then we start processing a signal; from it we may get + a new query thread to run */ + + trx_sig_start_handle(trx, next_thr); + } + + if (trx->handling_signals && UT_LIST_GET_LEN(trx->signals) == 0) { + + trx_end_signal_handling(trx); + } + + mutex_exit(&kernel_mutex); +} + +/**********************************************************************//** +Stops a query thread if graph or trx is in a state requiring it. The +conditions are tested in the order (1) graph, (2) trx. The kernel mutex has +to be reserved. +@return TRUE if stopped */ +UNIV_INTERN +ibool +que_thr_stop( +/*=========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + que_t* graph; + ibool ret = TRUE; + + ut_ad(mutex_own(&kernel_mutex)); + + graph = thr->graph; + trx = graph->trx; + + if (graph->state == QUE_FORK_COMMAND_WAIT) { + thr->state = QUE_THR_SUSPENDED; + + } else if (trx->que_state == TRX_QUE_LOCK_WAIT) { + + UT_LIST_ADD_FIRST(trx_thrs, trx->wait_thrs, thr); + thr->state = QUE_THR_LOCK_WAIT; + + } else if (trx->error_state != DB_SUCCESS + && trx->error_state != DB_LOCK_WAIT) { + + /* Error handling built for the MySQL interface */ + thr->state = QUE_THR_COMPLETED; + + } else if (UT_LIST_GET_LEN(trx->signals) > 0 + && graph->fork_type != QUE_FORK_ROLLBACK) { + + thr->state = QUE_THR_SUSPENDED; + } else { + ut_ad(graph->state == QUE_FORK_ACTIVE); + + ret = FALSE; + } + + return(ret); +} + +/**********************************************************************//** +A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The +query thread is stopped and made inactive, except in the case where +it was put to the lock wait state in lock0lock.c, but the lock has already +been granted or the transaction chosen as a victim in deadlock resolution. */ +UNIV_INTERN +void +que_thr_stop_for_mysql( +/*===================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + + trx = thr_get_trx(thr); + + mutex_enter(&kernel_mutex); + + if (thr->state == QUE_THR_RUNNING) { + + if (trx->error_state != DB_SUCCESS + && trx->error_state != DB_LOCK_WAIT) { + + /* Error handling built for the MySQL interface */ + thr->state = QUE_THR_COMPLETED; + } else { + /* It must have been a lock wait but the lock was + already released, or this transaction was chosen + as a victim in selective deadlock resolution */ + + mutex_exit(&kernel_mutex); + + return; + } + } + + ut_ad(thr->is_active == TRUE); + ut_ad(trx->n_active_thrs == 1); + ut_ad(thr->graph->n_active_thrs == 1); + + thr->is_active = FALSE; + (thr->graph)->n_active_thrs--; + + trx->n_active_thrs--; + + mutex_exit(&kernel_mutex); +} + +/**********************************************************************//** +Moves a thread from another state to the QUE_THR_RUNNING state. Increments +the n_active_thrs counters of the query graph and transaction if thr was +not active. */ +UNIV_INTERN +void +que_thr_move_to_run_state_for_mysql( +/*================================*/ + que_thr_t* thr, /*!< in: an query thread */ + trx_t* trx) /*!< in: transaction */ +{ + if (thr->magic_n != QUE_THR_MAGIC_N) { + fprintf(stderr, + "que_thr struct appears corrupt; magic n %lu\n", + (unsigned long) thr->magic_n); + + mem_analyze_corruption(thr); + + ut_error; + } + + if (!thr->is_active) { + + thr->graph->n_active_thrs++; + + trx->n_active_thrs++; + + thr->is_active = TRUE; + } + + thr->state = QUE_THR_RUNNING; +} + +/**********************************************************************//** +A patch for MySQL used to 'stop' a dummy query thread used in MySQL +select, when there is no error or lock wait. */ +UNIV_INTERN +void +que_thr_stop_for_mysql_no_error( +/*============================*/ + que_thr_t* thr, /*!< in: query thread */ + trx_t* trx) /*!< in: transaction */ +{ + ut_ad(thr->state == QUE_THR_RUNNING); + ut_ad(thr->is_active == TRUE); + ut_ad(trx->n_active_thrs == 1); + ut_ad(thr->graph->n_active_thrs == 1); + + if (thr->magic_n != QUE_THR_MAGIC_N) { + fprintf(stderr, + "que_thr struct appears corrupt; magic n %lu\n", + (unsigned long) thr->magic_n); + + mem_analyze_corruption(thr); + + ut_error; + } + + thr->state = QUE_THR_COMPLETED; + + thr->is_active = FALSE; + (thr->graph)->n_active_thrs--; + + trx->n_active_thrs--; +} + +/****************************************************************//** +Get the first containing loop node (e.g. while_node_t or for_node_t) for the +given node, or NULL if the node is not within a loop. +@return containing loop node, or NULL. */ +UNIV_INTERN +que_node_t* +que_node_get_containing_loop_node( +/*==============================*/ + que_node_t* node) /*!< in: node */ +{ + ut_ad(node); + + for (;;) { + ulint type; + + node = que_node_get_parent(node); + + if (!node) { + break; + } + + type = que_node_get_type(node); + + if ((type == QUE_NODE_FOR) || (type == QUE_NODE_WHILE)) { + break; + } + } + + return(node); +} + +/**********************************************************************//** +Prints info of an SQL query graph node. */ +UNIV_INTERN +void +que_node_print_info( +/*================*/ + que_node_t* node) /*!< in: query graph node */ +{ + ulint type; + const char* str; + + type = que_node_get_type(node); + + if (type == QUE_NODE_SELECT) { + str = "SELECT"; + } else if (type == QUE_NODE_INSERT) { + str = "INSERT"; + } else if (type == QUE_NODE_UPDATE) { + str = "UPDATE"; + } else if (type == QUE_NODE_WHILE) { + str = "WHILE"; + } else if (type == QUE_NODE_ASSIGNMENT) { + str = "ASSIGNMENT"; + } else if (type == QUE_NODE_IF) { + str = "IF"; + } else if (type == QUE_NODE_FETCH) { + str = "FETCH"; + } else if (type == QUE_NODE_OPEN) { + str = "OPEN"; + } else if (type == QUE_NODE_PROC) { + str = "STORED PROCEDURE"; + } else if (type == QUE_NODE_FUNC) { + str = "FUNCTION"; + } else if (type == QUE_NODE_LOCK) { + str = "LOCK"; + } else if (type == QUE_NODE_THR) { + str = "QUERY THREAD"; + } else if (type == QUE_NODE_COMMIT) { + str = "COMMIT"; + } else if (type == QUE_NODE_UNDO) { + str = "UNDO ROW"; + } else if (type == QUE_NODE_PURGE) { + str = "PURGE ROW"; + } else if (type == QUE_NODE_ROLLBACK) { + str = "ROLLBACK"; + } else if (type == QUE_NODE_CREATE_TABLE) { + str = "CREATE TABLE"; + } else if (type == QUE_NODE_CREATE_INDEX) { + str = "CREATE INDEX"; + } else if (type == QUE_NODE_FOR) { + str = "FOR LOOP"; + } else if (type == QUE_NODE_RETURN) { + str = "RETURN"; + } else if (type == QUE_NODE_EXIT) { + str = "EXIT"; + } else { + str = "UNKNOWN NODE TYPE"; + } + + fprintf(stderr, "Node type %lu: %s, address %p\n", + (ulong) type, str, (void*) node); +} + +/**********************************************************************//** +Performs an execution step on a query thread. +@return query thread to run next: it may differ from the input +parameter if, e.g., a subprocedure call is made */ +UNIV_INLINE +que_thr_t* +que_thr_step( +/*=========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + que_node_t* node; + que_thr_t* old_thr; + trx_t* trx; + ulint type; + + trx = thr_get_trx(thr); + + ut_ad(thr->state == QUE_THR_RUNNING); + ut_a(trx->error_state == DB_SUCCESS); + + thr->resource++; + + node = thr->run_node; + type = que_node_get_type(node); + + old_thr = thr; + +#ifdef UNIV_DEBUG + if (que_trace_on) { + fputs("To execute: ", stderr); + que_node_print_info(node); + } +#endif + if (type & QUE_NODE_CONTROL_STAT) { + if ((thr->prev_node != que_node_get_parent(node)) + && que_node_get_next(thr->prev_node)) { + + /* The control statements, like WHILE, always pass the + control to the next child statement if there is any + child left */ + + thr->run_node = que_node_get_next(thr->prev_node); + + } else if (type == QUE_NODE_IF) { + if_step(thr); + } else if (type == QUE_NODE_FOR) { + for_step(thr); + } else if (type == QUE_NODE_PROC) { + + /* We can access trx->undo_no without reserving + trx->undo_mutex, because there cannot be active query + threads doing updating or inserting at the moment! */ + + if (thr->prev_node == que_node_get_parent(node)) { + trx->last_sql_stat_start.least_undo_no + = trx->undo_no; + } + + proc_step(thr); + } else if (type == QUE_NODE_WHILE) { + while_step(thr); + } else { + ut_error; + } + } else if (type == QUE_NODE_ASSIGNMENT) { + assign_step(thr); + } else if (type == QUE_NODE_SELECT) { + thr = row_sel_step(thr); + } else if (type == QUE_NODE_INSERT) { + thr = row_ins_step(thr); + } else if (type == QUE_NODE_UPDATE) { + thr = row_upd_step(thr); + } else if (type == QUE_NODE_FETCH) { + thr = fetch_step(thr); + } else if (type == QUE_NODE_OPEN) { + thr = open_step(thr); + } else if (type == QUE_NODE_FUNC) { + proc_eval_step(thr); + + } else if (type == QUE_NODE_LOCK) { + + ut_error; + /* + thr = que_lock_step(thr); + */ + } else if (type == QUE_NODE_THR) { + thr = que_thr_node_step(thr); + } else if (type == QUE_NODE_COMMIT) { + thr = trx_commit_step(thr); + } else if (type == QUE_NODE_UNDO) { + thr = row_undo_step(thr); + } else if (type == QUE_NODE_PURGE) { + thr = row_purge_step(thr); + } else if (type == QUE_NODE_RETURN) { + thr = return_step(thr); + } else if (type == QUE_NODE_EXIT) { + thr = exit_step(thr); + } else if (type == QUE_NODE_ROLLBACK) { + thr = trx_rollback_step(thr); + } else if (type == QUE_NODE_CREATE_TABLE) { + thr = dict_create_table_step(thr); + } else if (type == QUE_NODE_CREATE_INDEX) { + thr = dict_create_index_step(thr); + } else if (type == QUE_NODE_ROW_PRINTF) { + thr = row_printf_step(thr); + } else { + ut_error; + } + + if (type == QUE_NODE_EXIT) { + old_thr->prev_node = que_node_get_containing_loop_node(node); + } else { + old_thr->prev_node = node; + } + + if (thr) { + ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); + } + + return(thr); +} + +/**********************************************************************//** +Run a query thread until it finishes or encounters e.g. a lock wait. */ +static +void +que_run_threads_low( +/*================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + que_thr_t* next_thr; + ulint cumul_resource; + ulint loop_count; + + ut_ad(thr->state == QUE_THR_RUNNING); + ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); + ut_ad(!mutex_own(&kernel_mutex)); + + /* cumul_resource counts how much resources the OS thread (NOT the + query thread) has spent in this function */ + + loop_count = QUE_MAX_LOOPS_WITHOUT_CHECK; + cumul_resource = 0; +loop: + /* Check that there is enough space in the log to accommodate + possible log entries by this query step; if the operation can touch + more than about 4 pages, checks must be made also within the query + step! */ + + log_free_check(); + + /* Perform the actual query step: note that the query thread + may change if, e.g., a subprocedure call is made */ + + /*-------------------------*/ + next_thr = que_thr_step(thr); + /*-------------------------*/ + + ut_a(!next_thr || (thr_get_trx(next_thr)->error_state == DB_SUCCESS)); + + loop_count++; + + if (next_thr != thr) { + ut_a(next_thr == NULL); + + /* This can change next_thr to a non-NULL value if there was + a lock wait that already completed. */ + que_thr_dec_refer_count(thr, &next_thr); + + if (next_thr == NULL) { + + return; + } + + loop_count = QUE_MAX_LOOPS_WITHOUT_CHECK; + + thr = next_thr; + } + + goto loop; +} + +/**********************************************************************//** +Run a query thread. Handles lock waits. */ +UNIV_INTERN +void +que_run_threads( +/*============*/ + que_thr_t* thr) /*!< in: query thread */ +{ +loop: + ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); + que_run_threads_low(thr); + + mutex_enter(&kernel_mutex); + + switch (thr->state) { + + case QUE_THR_RUNNING: + /* There probably was a lock wait, but it already ended + before we came here: continue running thr */ + + mutex_exit(&kernel_mutex); + + goto loop; + + case QUE_THR_LOCK_WAIT: + mutex_exit(&kernel_mutex); + + /* The ..._mysql_... function works also for InnoDB's + internal threads. Let us wait that the lock wait ends. */ + + srv_suspend_mysql_thread(thr); + + if (thr_get_trx(thr)->error_state != DB_SUCCESS) { + /* thr was chosen as a deadlock victim or there was + a lock wait timeout */ + + que_thr_dec_refer_count(thr, NULL); + + return; + } + + goto loop; + + case QUE_THR_COMPLETED: + case QUE_THR_COMMAND_WAIT: + /* Do nothing */ + break; + + default: + ut_error; + } + + mutex_exit(&kernel_mutex); +} + +/*********************************************************************//** +Evaluate the given SQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +que_eval_sql( +/*=========*/ + pars_info_t* info, /*!< in: info struct, or NULL */ + const char* sql, /*!< in: SQL string */ + ibool reserve_dict_mutex, + /*!< in: if TRUE, acquire/release + dict_sys->mutex around call to pars_sql. */ + trx_t* trx) /*!< in: trx */ +{ + que_thr_t* thr; + que_t* graph; + + ut_a(trx->error_state == DB_SUCCESS); + + if (reserve_dict_mutex) { + mutex_enter(&dict_sys->mutex); + } + + graph = pars_sql(info, sql); + + if (reserve_dict_mutex) { + mutex_exit(&dict_sys->mutex); + } + + ut_a(graph); + + graph->trx = trx; + trx->graph = NULL; + + graph->fork_type = QUE_FORK_MYSQL_INTERFACE; + + ut_a(thr = que_fork_start_command(graph)); + + que_run_threads(thr); + + que_graph_free(graph); + + return(trx->error_state); +} diff --git a/perfschema/read/read0read.c b/perfschema/read/read0read.c new file mode 100644 index 00000000000..85adae4ddff --- /dev/null +++ b/perfschema/read/read0read.c @@ -0,0 +1,540 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file read/read0read.c +Cursor read + +Created 2/16/1997 Heikki Tuuri +*******************************************************/ + +#include "read0read.h" + +#ifdef UNIV_NONINL +#include "read0read.ic" +#endif + +#include "srv0srv.h" +#include "trx0sys.h" + +/* +------------------------------------------------------------------------------- +FACT A: Cursor read view on a secondary index sees only committed versions +------- +of the records in the secondary index or those versions of rows created +by transaction which created a cursor before cursor was created even +if transaction which created the cursor has changed that clustered index page. + +PROOF: We must show that read goes always to the clustered index record +to see that record is visible in the cursor read view. Consider e.g. +following table and SQL-clauses: + +create table t1(a int not null, b int, primary key(a), index(b)); +insert into t1 values (1,1),(2,2); +commit; + +Now consider that we have a cursor for a query + +select b from t1 where b >= 1; + +This query will use secondary key on the table t1. Now after the first fetch +on this cursor if we do a update: + +update t1 set b = 5 where b = 2; + +Now second fetch of the cursor should not see record (2,5) instead it should +see record (2,2). + +We also should show that if we have delete t1 where b = 5; we still +can see record (2,2). + +When we access a secondary key record maximum transaction id is fetched +from this record and this trx_id is compared to up_limit_id in the view. +If trx_id in the record is greater or equal than up_limit_id in the view +cluster record is accessed. Because trx_id of the creating +transaction is stored when this view was created to the list of +trx_ids not seen by this read view previous version of the +record is requested to be built. This is build using clustered record. +If the secondary key record is delete marked it's corresponding +clustered record can be already be purged only if records +trx_id < low_limit_no. Purge can't remove any record deleted by a +transaction which was active when cursor was created. But, we still +may have a deleted secondary key record but no clustered record. But, +this is not a problem because this case is handled in +row_sel_get_clust_rec() function which is called +whenever we note that this read view does not see trx_id in the +record. Thus, we see correct version. Q. E. D. + +------------------------------------------------------------------------------- +FACT B: Cursor read view on a clustered index sees only committed versions +------- +of the records in the clustered index or those versions of rows created +by transaction which created a cursor before cursor was created even +if transaction which created the cursor has changed that clustered index page. + +PROOF: Consider e.g.following table and SQL-clauses: + +create table t1(a int not null, b int, primary key(a)); +insert into t1 values (1),(2); +commit; + +Now consider that we have a cursor for a query + +select a from t1 where a >= 1; + +This query will use clustered key on the table t1. Now after the first fetch +on this cursor if we do a update: + +update t1 set a = 5 where a = 2; + +Now second fetch of the cursor should not see record (5) instead it should +see record (2). + +We also should show that if we have execute delete t1 where a = 5; after +the cursor is opened we still can see record (2). + +When accessing clustered record we always check if this read view sees +trx_id stored to clustered record. By default we don't see any changes +if record trx_id >= low_limit_id i.e. change was made transaction +which started after transaction which created the cursor. If row +was changed by the future transaction a previous version of the +clustered record is created. Thus we see only committed version in +this case. We see all changes made by committed transactions i.e. +record trx_id < up_limit_id. In this case we don't need to do anything, +we already see correct version of the record. We don't see any changes +made by active transaction except creating transaction. We have stored +trx_id of creating transaction to list of trx_ids when this view was +created. Thus we can easily see if this record was changed by the +creating transaction. Because we already have clustered record we can +access roll_ptr. Using this roll_ptr we can fetch undo record. +We can now check that undo_no of the undo record is less than undo_no of the +trancaction which created a view when cursor was created. We see this +clustered record only in case when record undo_no is less than undo_no +in the view. If this is not true we build based on undo_rec previous +version of the record. This record is found because purge can't remove +records accessed by active transaction. Thus we see correct version. Q. E. D. +------------------------------------------------------------------------------- +FACT C: Purge does not remove any delete marked row that is visible +------- +to cursor view. + +TODO: proof this + +*/ + +/*********************************************************************//** +Creates a read view object. +@return own: read view struct */ +UNIV_INLINE +read_view_t* +read_view_create_low( +/*=================*/ + ulint n, /*!< in: number of cells in the trx_ids array */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ +{ + read_view_t* view; + + view = mem_heap_alloc(heap, sizeof(read_view_t)); + + view->n_trx_ids = n; + view->trx_ids = mem_heap_alloc(heap, n * sizeof *view->trx_ids); + + return(view); +} + +/*********************************************************************//** +Makes a copy of the oldest existing read view, with the exception that also +the creating trx of the oldest view is set as not visible in the 'copied' +view. Opens a new view if no views currently exist. The view must be closed +with ..._close. This is used in purge. +@return own: read view struct */ +UNIV_INTERN +read_view_t* +read_view_oldest_copy_or_open_new( +/*==============================*/ + trx_id_t cr_trx_id, /*!< in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ + mem_heap_t* heap) /*!< in: memory heap from which + allocated */ +{ + read_view_t* old_view; + read_view_t* view_copy; + ibool needs_insert = TRUE; + ulint insert_done = 0; + ulint n; + ulint i; + + ut_ad(mutex_own(&kernel_mutex)); + + old_view = UT_LIST_GET_LAST(trx_sys->view_list); + + if (old_view == NULL) { + + return(read_view_open_now(cr_trx_id, heap)); + } + + n = old_view->n_trx_ids; + + if (!ut_dulint_is_zero(old_view->creator_trx_id)) { + n++; + } else { + needs_insert = FALSE; + } + + view_copy = read_view_create_low(n, heap); + + /* Insert the id of the creator in the right place of the descending + array of ids, if needs_insert is TRUE: */ + + i = 0; + while (i < n) { + if (needs_insert + && (i >= old_view->n_trx_ids + || ut_dulint_cmp(old_view->creator_trx_id, + read_view_get_nth_trx_id(old_view, i)) + > 0)) { + + read_view_set_nth_trx_id(view_copy, i, + old_view->creator_trx_id); + needs_insert = FALSE; + insert_done = 1; + } else { + read_view_set_nth_trx_id(view_copy, i, + read_view_get_nth_trx_id( + old_view, + i - insert_done)); + } + + i++; + } + + view_copy->creator_trx_id = cr_trx_id; + + view_copy->low_limit_no = old_view->low_limit_no; + view_copy->low_limit_id = old_view->low_limit_id; + + + if (n > 0) { + /* The last active transaction has the smallest id: */ + view_copy->up_limit_id = read_view_get_nth_trx_id( + view_copy, n - 1); + } else { + view_copy->up_limit_id = old_view->up_limit_id; + } + + UT_LIST_ADD_LAST(view_list, trx_sys->view_list, view_copy); + + return(view_copy); +} + +/*********************************************************************//** +Opens a read view where exactly the transactions serialized before this +point in time are seen in the view. +@return own: read view struct */ +UNIV_INTERN +read_view_t* +read_view_open_now( +/*===============*/ + trx_id_t cr_trx_id, /*!< in: trx_id of creating + transaction, or ut_dulint_zero + used in purge */ + mem_heap_t* heap) /*!< in: memory heap from which + allocated */ +{ + read_view_t* view; + trx_t* trx; + ulint n; + + ut_ad(mutex_own(&kernel_mutex)); + + view = read_view_create_low(UT_LIST_GET_LEN(trx_sys->trx_list), heap); + + view->creator_trx_id = cr_trx_id; + view->type = VIEW_NORMAL; + view->undo_no = ut_dulint_zero; + + /* No future transactions should be visible in the view */ + + view->low_limit_no = trx_sys->max_trx_id; + view->low_limit_id = view->low_limit_no; + + n = 0; + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + /* No active transaction should be visible, except cr_trx */ + + while (trx) { + if (ut_dulint_cmp(trx->id, cr_trx_id) != 0 + && (trx->conc_state == TRX_ACTIVE + || trx->conc_state == TRX_PREPARED)) { + + read_view_set_nth_trx_id(view, n, trx->id); + + n++; + + /* NOTE that a transaction whose trx number is < + trx_sys->max_trx_id can still be active, if it is + in the middle of its commit! Note that when a + transaction starts, we initialize trx->no to + ut_dulint_max. */ + + if (ut_dulint_cmp(view->low_limit_no, trx->no) > 0) { + + view->low_limit_no = trx->no; + } + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + view->n_trx_ids = n; + + if (n > 0) { + /* The last active transaction has the smallest id: */ + view->up_limit_id = read_view_get_nth_trx_id(view, n - 1); + } else { + view->up_limit_id = view->low_limit_id; + } + + + UT_LIST_ADD_FIRST(view_list, trx_sys->view_list, view); + + return(view); +} + +/*********************************************************************//** +Closes a read view. */ +UNIV_INTERN +void +read_view_close( +/*============*/ + read_view_t* view) /*!< in: read view */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + UT_LIST_REMOVE(view_list, trx_sys->view_list, view); +} + +/*********************************************************************//** +Closes a consistent read view for MySQL. This function is called at an SQL +statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ +UNIV_INTERN +void +read_view_close_for_mysql( +/*======================*/ + trx_t* trx) /*!< in: trx which has a read view */ +{ + ut_a(trx->global_read_view); + + mutex_enter(&kernel_mutex); + + read_view_close(trx->global_read_view); + + mem_heap_empty(trx->global_read_view_heap); + + trx->read_view = NULL; + trx->global_read_view = NULL; + + mutex_exit(&kernel_mutex); +} + +/*********************************************************************//** +Prints a read view to stderr. */ +UNIV_INTERN +void +read_view_print( +/*============*/ + const read_view_t* view) /*!< in: read view */ +{ + ulint n_ids; + ulint i; + + if (view->type == VIEW_HIGH_GRANULARITY) { + fprintf(stderr, + "High-granularity read view undo_n:o %lu %lu\n", + (ulong) ut_dulint_get_high(view->undo_no), + (ulong) ut_dulint_get_low(view->undo_no)); + } else { + fprintf(stderr, "Normal read view\n"); + } + + fprintf(stderr, "Read view low limit trx n:o %lu %lu\n", + (ulong) ut_dulint_get_high(view->low_limit_no), + (ulong) ut_dulint_get_low(view->low_limit_no)); + + fprintf(stderr, "Read view up limit trx id " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(view->up_limit_id)); + + fprintf(stderr, "Read view low limit trx id " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(view->low_limit_id)); + + fprintf(stderr, "Read view individually stored trx ids:\n"); + + n_ids = view->n_trx_ids; + + for (i = 0; i < n_ids; i++) { + fprintf(stderr, "Read view trx id " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF( + read_view_get_nth_trx_id(view, i))); + } +} + +/*********************************************************************//** +Create a high-granularity consistent cursor view for mysql to be used +in cursors. In this consistent read view modifications done by the +creating transaction after the cursor is created or future transactions +are not visible. */ +UNIV_INTERN +cursor_view_t* +read_cursor_view_create_for_mysql( +/*==============================*/ + trx_t* cr_trx) /*!< in: trx where cursor view is created */ +{ + cursor_view_t* curview; + read_view_t* view; + mem_heap_t* heap; + trx_t* trx; + ulint n; + + ut_a(cr_trx); + + /* Use larger heap than in trx_create when creating a read_view + because cursors are quite long. */ + + heap = mem_heap_create(512); + + curview = (cursor_view_t*) mem_heap_alloc(heap, sizeof(cursor_view_t)); + curview->heap = heap; + + /* Drop cursor tables from consideration when evaluating the need of + auto-commit */ + curview->n_mysql_tables_in_use = cr_trx->n_mysql_tables_in_use; + cr_trx->n_mysql_tables_in_use = 0; + + mutex_enter(&kernel_mutex); + + curview->read_view = read_view_create_low( + UT_LIST_GET_LEN(trx_sys->trx_list), curview->heap); + + view = curview->read_view; + view->creator_trx_id = cr_trx->id; + view->type = VIEW_HIGH_GRANULARITY; + view->undo_no = cr_trx->undo_no; + + /* No future transactions should be visible in the view */ + + view->low_limit_no = trx_sys->max_trx_id; + view->low_limit_id = view->low_limit_no; + + n = 0; + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + /* No active transaction should be visible */ + + while (trx) { + + if (trx->conc_state == TRX_ACTIVE + || trx->conc_state == TRX_PREPARED) { + + read_view_set_nth_trx_id(view, n, trx->id); + + n++; + + /* NOTE that a transaction whose trx number is < + trx_sys->max_trx_id can still be active, if it is + in the middle of its commit! Note that when a + transaction starts, we initialize trx->no to + ut_dulint_max. */ + + if (ut_dulint_cmp(view->low_limit_no, trx->no) > 0) { + + view->low_limit_no = trx->no; + } + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + view->n_trx_ids = n; + + if (n > 0) { + /* The last active transaction has the smallest id: */ + view->up_limit_id = read_view_get_nth_trx_id(view, n - 1); + } else { + view->up_limit_id = view->low_limit_id; + } + + UT_LIST_ADD_FIRST(view_list, trx_sys->view_list, view); + + mutex_exit(&kernel_mutex); + + return(curview); +} + +/*********************************************************************//** +Close a given consistent cursor view for mysql and restore global read view +back to a transaction read view. */ +UNIV_INTERN +void +read_cursor_view_close_for_mysql( +/*=============================*/ + trx_t* trx, /*!< in: trx */ + cursor_view_t* curview)/*!< in: cursor view to be closed */ +{ + ut_a(curview); + ut_a(curview->read_view); + ut_a(curview->heap); + + /* Add cursor's tables to the global count of active tables that + belong to this transaction */ + trx->n_mysql_tables_in_use += curview->n_mysql_tables_in_use; + + mutex_enter(&kernel_mutex); + + read_view_close(curview->read_view); + trx->read_view = trx->global_read_view; + + mutex_exit(&kernel_mutex); + + mem_heap_free(curview->heap); +} + +/*********************************************************************//** +This function sets a given consistent cursor view to a transaction +read view if given consistent cursor view is not NULL. Otherwise, function +restores a global read view to a transaction read view. */ +UNIV_INTERN +void +read_cursor_set_for_mysql( +/*======================*/ + trx_t* trx, /*!< in: transaction where cursor is set */ + cursor_view_t* curview)/*!< in: consistent cursor view to be set */ +{ + ut_a(trx); + + mutex_enter(&kernel_mutex); + + if (UNIV_LIKELY(curview != NULL)) { + trx->read_view = curview->read_view; + } else { + trx->read_view = trx->global_read_view; + } + + mutex_exit(&kernel_mutex); +} diff --git a/perfschema/rem/rem0cmp.c b/perfschema/rem/rem0cmp.c new file mode 100644 index 00000000000..e6dab0bc66b --- /dev/null +++ b/perfschema/rem/rem0cmp.c @@ -0,0 +1,1194 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file rem/rem0cmp.c +Comparison services for records + +Created 7/1/1994 Heikki Tuuri +************************************************************************/ + +#include "rem0cmp.h" + +#ifdef UNIV_NONINL +#include "rem0cmp.ic" +#endif + +#include "srv0srv.h" + +/* ALPHABETICAL ORDER + ================== + +The records are put into alphabetical order in the following +way: let F be the first field where two records disagree. +If there is a character in some position n where the +records disagree, the order is determined by comparison of +the characters at position n, possibly after +collating transformation. If there is no such character, +but the corresponding fields have different lengths, then +if the data type of the fields is paddable, +shorter field is padded with a padding character. If the +data type is not paddable, longer field is considered greater. +Finally, the SQL null is bigger than any other value. + +At the present, the comparison functions return 0 in the case, +where two records disagree only in the way that one +has more fields than the other. */ + +#ifdef UNIV_DEBUG +/*************************************************************//** +Used in debug checking of cmp_dtuple_... . +This function is used to compare a data tuple to a physical record. If +dtuple has n fields then rec must have either m >= n fields, or it must +differ from dtuple in some of the m fields rec has. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ +static +int +cmp_debug_dtuple_rec_with_match( +/*============================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from + dtuple in some of the common fields, or which + has an equal number or more fields than + dtuple */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields);/*!< in/out: number of already + completely matched fields; when function + returns, contains the value for current + comparison */ +#endif /* UNIV_DEBUG */ +/*************************************************************//** +This function is used to compare two data fields for which the data type +is such that we must use MySQL code to compare them. The prototype here +must be a copy of the one in ha_innobase.cc! +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ +extern +int +innobase_mysql_cmp( +/*===============*/ + int mysql_type, /*!< in: MySQL type */ + uint charset_number, /*!< in: number of the charset */ + const unsigned char* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, + not UNIV_SQL_NULL */ + const unsigned char* b, /*!< in: data field */ + unsigned int b_length); /*!< in: data field length, + not UNIV_SQL_NULL */ +/*********************************************************************//** +Transforms the character code so that it is ordered appropriately for the +language. This is only used for the latin1 char set. MySQL does the +comparisons for other char sets. +@return collation order position */ +UNIV_INLINE +ulint +cmp_collate( +/*========*/ + ulint code) /*!< in: code of a character stored in database record */ +{ + return((ulint) srv_latin1_ordering[code]); +} + +/*************************************************************//** +Returns TRUE if two columns are equal for comparison purposes. +@return TRUE if the columns are considered equal in comparisons */ +UNIV_INTERN +ibool +cmp_cols_are_equal( +/*===============*/ + const dict_col_t* col1, /*!< in: column 1 */ + const dict_col_t* col2, /*!< in: column 2 */ + ibool check_charsets) + /*!< in: whether to check charsets */ +{ + if (dtype_is_non_binary_string_type(col1->mtype, col1->prtype) + && dtype_is_non_binary_string_type(col2->mtype, col2->prtype)) { + + /* Both are non-binary string types: they can be compared if + and only if the charset-collation is the same */ + + if (check_charsets) { + return(dtype_get_charset_coll(col1->prtype) + == dtype_get_charset_coll(col2->prtype)); + } else { + return(TRUE); + } + } + + if (dtype_is_binary_string_type(col1->mtype, col1->prtype) + && dtype_is_binary_string_type(col2->mtype, col2->prtype)) { + + /* Both are binary string types: they can be compared */ + + return(TRUE); + } + + if (col1->mtype != col2->mtype) { + + return(FALSE); + } + + if (col1->mtype == DATA_INT + && (col1->prtype & DATA_UNSIGNED) + != (col2->prtype & DATA_UNSIGNED)) { + + /* The storage format of an unsigned integer is different + from a signed integer: in a signed integer we OR + 0x8000... to the value of positive integers. */ + + return(FALSE); + } + + return(col1->mtype != DATA_INT || col1->len == col2->len); +} + +/*************************************************************//** +Innobase uses this function to compare two data fields for which the data type +is such that we must compare whole fields or call MySQL to do the comparison +@return 1, 0, -1, if a is greater, equal, less than b, respectively */ +static +int +cmp_whole_field( +/*============*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* a, /*!< in: data field */ + unsigned int a_length, /*!< in: data field length, + not UNIV_SQL_NULL */ + const byte* b, /*!< in: data field */ + unsigned int b_length) /*!< in: data field length, + not UNIV_SQL_NULL */ +{ + float f_1; + float f_2; + double d_1; + double d_2; + int swap_flag = 1; + + switch (mtype) { + + case DATA_DECIMAL: + /* Remove preceding spaces */ + for (; a_length && *a == ' '; a++, a_length--); + for (; b_length && *b == ' '; b++, b_length--); + + if (*a == '-') { + if (*b != '-') { + return(-1); + } + + a++; b++; + a_length--; + b_length--; + + swap_flag = -1; + + } else if (*b == '-') { + + return(1); + } + + while (a_length > 0 && (*a == '+' || *a == '0')) { + a++; a_length--; + } + + while (b_length > 0 && (*b == '+' || *b == '0')) { + b++; b_length--; + } + + if (a_length != b_length) { + if (a_length < b_length) { + return(-swap_flag); + } + + return(swap_flag); + } + + while (a_length > 0 && *a == *b) { + + a++; b++; a_length--; + } + + if (a_length == 0) { + + return(0); + } + + if (*a > *b) { + return(swap_flag); + } + + return(-swap_flag); + case DATA_DOUBLE: + d_1 = mach_double_read(a); + d_2 = mach_double_read(b); + + if (d_1 > d_2) { + return(1); + } else if (d_2 > d_1) { + return(-1); + } + + return(0); + + case DATA_FLOAT: + f_1 = mach_float_read(a); + f_2 = mach_float_read(b); + + if (f_1 > f_2) { + return(1); + } else if (f_2 > f_1) { + return(-1); + } + + return(0); + case DATA_BLOB: + if (prtype & DATA_BINARY_TYPE) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: comparing a binary BLOB" + " with a character set sensitive\n" + "InnoDB: comparison!\n"); + } + /* fall through */ + case DATA_VARMYSQL: + case DATA_MYSQL: + return(innobase_mysql_cmp( + (int)(prtype & DATA_MYSQL_TYPE_MASK), + (uint)dtype_get_charset_coll(prtype), + a, a_length, b, b_length)); + default: + fprintf(stderr, + "InnoDB: unknown type number %lu\n", + (ulong) mtype); + ut_error; + } + + return(0); +} + +/*************************************************************//** +This function is used to compare two data fields for which we know the +data type. +@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ +UNIV_INTERN +int +cmp_data_data_slow( +/*===============*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + const byte* data1, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ + const byte* data2, /*!< in: data field (== a pointer to a memory + buffer) */ + ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ +{ + ulint data1_byte; + ulint data2_byte; + ulint cur_bytes; + + if (len1 == UNIV_SQL_NULL || len2 == UNIV_SQL_NULL) { + + if (len1 == len2) { + + return(0); + } + + if (len1 == UNIV_SQL_NULL) { + /* We define the SQL null to be the smallest possible + value of a field in the alphabetical order */ + + return(-1); + } + + return(1); + } + + if (mtype >= DATA_FLOAT + || (mtype == DATA_BLOB + && 0 == (prtype & DATA_BINARY_TYPE) + && dtype_get_charset_coll(prtype) + != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { + + return(cmp_whole_field(mtype, prtype, + data1, (unsigned) len1, + data2, (unsigned) len2)); + } + + /* Compare then the fields */ + + cur_bytes = 0; + + for (;;) { + if (len1 <= cur_bytes) { + if (len2 <= cur_bytes) { + + return(0); + } + + data1_byte = dtype_get_pad_char(mtype, prtype); + + if (data1_byte == ULINT_UNDEFINED) { + + return(-1); + } + } else { + data1_byte = *data1; + } + + if (len2 <= cur_bytes) { + data2_byte = dtype_get_pad_char(mtype, prtype); + + if (data2_byte == ULINT_UNDEFINED) { + + return(1); + } + } else { + data2_byte = *data2; + } + + if (data1_byte == data2_byte) { + /* If the bytes are equal, they will remain such even + after the collation transformation below */ + + goto next_byte; + } + + if (mtype <= DATA_CHAR + || (mtype == DATA_BLOB + && 0 == (prtype & DATA_BINARY_TYPE))) { + + data1_byte = cmp_collate(data1_byte); + data2_byte = cmp_collate(data2_byte); + } + + if (data1_byte > data2_byte) { + + return(1); + } else if (data1_byte < data2_byte) { + + return(-1); + } +next_byte: + /* Next byte */ + cur_bytes++; + data1++; + data2++; + } + + return(0); /* Not reached */ +} + +/*************************************************************//** +This function is used to compare a data tuple to a physical record. +Only dtuple->n_fields_cmp first fields are taken into account for +the data tuple! If we denote by n = n_fields_cmp, then rec must +have either m >= n fields, or it must differ from dtuple in some of +the m fields rec has. If rec has an externally stored field we do not +compare it but return with value 0 if such a comparison should be +made. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared, or until +the first externally stored field in rec */ +UNIV_INTERN +int +cmp_dtuple_rec_with_match( +/*======================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from + dtuple in some of the common fields, or which + has an equal number or more fields than + dtuple */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when function returns, + contains the value for current comparison */ + ulint* matched_bytes) /*!< in/out: number of already matched + bytes within the first field not completely + matched; when function returns, contains the + value for current comparison */ +{ + const dfield_t* dtuple_field; /* current field in logical record */ + ulint dtuple_f_len; /* the length of the current field + in the logical record */ + const byte* dtuple_b_ptr; /* pointer to the current byte in + logical field data */ + ulint dtuple_byte; /* value of current byte to be compared + in dtuple*/ + ulint rec_f_len; /* length of current field in rec */ + const byte* rec_b_ptr; /* pointer to the current byte in + rec field */ + ulint rec_byte; /* value of current byte to be + compared in rec */ + ulint cur_field; /* current field number */ + ulint cur_bytes; /* number of already matched bytes + in current field */ + int ret = 3333; /* return value */ + + ut_ad(dtuple && rec && matched_fields && matched_bytes); + ut_ad(dtuple_check_typed(dtuple)); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + cur_field = *matched_fields; + cur_bytes = *matched_bytes; + + ut_ad(cur_field <= dtuple_get_n_fields_cmp(dtuple)); + ut_ad(cur_field <= rec_offs_n_fields(offsets)); + + if (cur_bytes == 0 && cur_field == 0) { + ulint rec_info = rec_get_info_bits(rec, + rec_offs_comp(offsets)); + ulint tup_info = dtuple_get_info_bits(dtuple); + + if (UNIV_UNLIKELY(rec_info & REC_INFO_MIN_REC_FLAG)) { + ret = !(tup_info & REC_INFO_MIN_REC_FLAG); + goto order_resolved; + } else if (UNIV_UNLIKELY(tup_info & REC_INFO_MIN_REC_FLAG)) { + ret = -1; + goto order_resolved; + } + } + + /* Match fields in a loop; stop if we run out of fields in dtuple + or find an externally stored field */ + + while (cur_field < dtuple_get_n_fields_cmp(dtuple)) { + + ulint mtype; + ulint prtype; + + dtuple_field = dtuple_get_nth_field(dtuple, cur_field); + { + const dtype_t* type + = dfield_get_type(dtuple_field); + + mtype = type->mtype; + prtype = type->prtype; + } + + dtuple_f_len = dfield_get_len(dtuple_field); + + rec_b_ptr = rec_get_nth_field(rec, offsets, + cur_field, &rec_f_len); + + /* If we have matched yet 0 bytes, it may be that one or + both the fields are SQL null, or the record or dtuple may be + the predefined minimum record, or the field is externally + stored */ + + if (UNIV_LIKELY(cur_bytes == 0)) { + if (rec_offs_nth_extern(offsets, cur_field)) { + /* We do not compare to an externally + stored field */ + + ret = 0; + + goto order_resolved; + } + + if (dtuple_f_len == UNIV_SQL_NULL) { + if (rec_f_len == UNIV_SQL_NULL) { + + goto next_field; + } + + ret = -1; + goto order_resolved; + } else if (rec_f_len == UNIV_SQL_NULL) { + /* We define the SQL null to be the + smallest possible value of a field + in the alphabetical order */ + + ret = 1; + goto order_resolved; + } + } + + if (mtype >= DATA_FLOAT + || (mtype == DATA_BLOB + && 0 == (prtype & DATA_BINARY_TYPE) + && dtype_get_charset_coll(prtype) + != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { + + ret = cmp_whole_field(mtype, prtype, + dfield_get_data(dtuple_field), + (unsigned) dtuple_f_len, + rec_b_ptr, (unsigned) rec_f_len); + + if (ret != 0) { + cur_bytes = 0; + + goto order_resolved; + } else { + goto next_field; + } + } + + /* Set the pointers at the current byte */ + + rec_b_ptr = rec_b_ptr + cur_bytes; + dtuple_b_ptr = (byte*)dfield_get_data(dtuple_field) + + cur_bytes; + /* Compare then the fields */ + + for (;;) { + if (UNIV_UNLIKELY(rec_f_len <= cur_bytes)) { + if (dtuple_f_len <= cur_bytes) { + + goto next_field; + } + + rec_byte = dtype_get_pad_char(mtype, prtype); + + if (rec_byte == ULINT_UNDEFINED) { + ret = 1; + + goto order_resolved; + } + } else { + rec_byte = *rec_b_ptr; + } + + if (UNIV_UNLIKELY(dtuple_f_len <= cur_bytes)) { + dtuple_byte = dtype_get_pad_char(mtype, + prtype); + + if (dtuple_byte == ULINT_UNDEFINED) { + ret = -1; + + goto order_resolved; + } + } else { + dtuple_byte = *dtuple_b_ptr; + } + + if (dtuple_byte == rec_byte) { + /* If the bytes are equal, they will + remain such even after the collation + transformation below */ + + goto next_byte; + } + + if (mtype <= DATA_CHAR + || (mtype == DATA_BLOB + && !(prtype & DATA_BINARY_TYPE))) { + + rec_byte = cmp_collate(rec_byte); + dtuple_byte = cmp_collate(dtuple_byte); + } + + ret = (int) (dtuple_byte - rec_byte); + if (UNIV_LIKELY(ret)) { + if (ret < 0) { + ret = -1; + goto order_resolved; + } else { + ret = 1; + goto order_resolved; + } + } +next_byte: + /* Next byte */ + cur_bytes++; + rec_b_ptr++; + dtuple_b_ptr++; + } + +next_field: + cur_field++; + cur_bytes = 0; + } + + ut_ad(cur_bytes == 0); + + ret = 0; /* If we ran out of fields, dtuple was equal to rec + up to the common fields */ +order_resolved: + ut_ad((ret >= - 1) && (ret <= 1)); + ut_ad(ret == cmp_debug_dtuple_rec_with_match(dtuple, rec, offsets, + matched_fields)); + ut_ad(*matched_fields == cur_field); /* In the debug version, the + above cmp_debug_... sets + *matched_fields to a value */ + *matched_fields = cur_field; + *matched_bytes = cur_bytes; + + return(ret); +} + +/**************************************************************//** +Compares a data tuple to a physical record. +@see cmp_dtuple_rec_with_match +@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ +UNIV_INTERN +int +cmp_dtuple_rec( +/*===========*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint matched_fields = 0; + ulint matched_bytes = 0; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + return(cmp_dtuple_rec_with_match(dtuple, rec, offsets, + &matched_fields, &matched_bytes)); +} + +/**************************************************************//** +Checks if a dtuple is a prefix of a record. The last field in dtuple +is allowed to be a prefix of the corresponding field in the record. +@return TRUE if prefix */ +UNIV_INTERN +ibool +cmp_dtuple_is_prefix_of_rec( +/*========================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint n_fields; + ulint matched_fields = 0; + ulint matched_bytes = 0; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + n_fields = dtuple_get_n_fields(dtuple); + + if (n_fields > rec_offs_n_fields(offsets)) { + + return(FALSE); + } + + cmp_dtuple_rec_with_match(dtuple, rec, offsets, + &matched_fields, &matched_bytes); + if (matched_fields == n_fields) { + + return(TRUE); + } + + if (matched_fields == n_fields - 1 + && matched_bytes == dfield_get_len( + dtuple_get_nth_field(dtuple, n_fields - 1))) { + return(TRUE); + } + + return(FALSE); +} + +/*************************************************************//** +Compare two physical records that contain the same number of columns, +none of which are stored externally. +@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ +UNIV_INTERN +int +cmp_rec_rec_simple( +/*===============*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ + const dict_index_t* index) /*!< in: data dictionary index */ +{ + ulint rec1_f_len; /*!< length of current field in rec1 */ + const byte* rec1_b_ptr; /*!< pointer to the current byte + in rec1 field */ + ulint rec1_byte; /*!< value of current byte to be + compared in rec1 */ + ulint rec2_f_len; /*!< length of current field in rec2 */ + const byte* rec2_b_ptr; /*!< pointer to the current byte + in rec2 field */ + ulint rec2_byte; /*!< value of current byte to be + compared in rec2 */ + ulint cur_field; /*!< current field number */ + ulint n_uniq; + + n_uniq = dict_index_get_n_unique(index); + ut_ad(rec_offs_n_fields(offsets1) >= n_uniq); + ut_ad(rec_offs_n_fields(offsets2) >= n_uniq); + + ut_ad(rec_offs_comp(offsets1) == rec_offs_comp(offsets2)); + + for (cur_field = 0; cur_field < n_uniq; cur_field++) { + + ulint cur_bytes; + ulint mtype; + ulint prtype; + + { + const dict_col_t* col + = dict_index_get_nth_col(index, cur_field); + + mtype = col->mtype; + prtype = col->prtype; + } + + ut_ad(!rec_offs_nth_extern(offsets1, cur_field)); + ut_ad(!rec_offs_nth_extern(offsets2, cur_field)); + + rec1_b_ptr = rec_get_nth_field(rec1, offsets1, + cur_field, &rec1_f_len); + rec2_b_ptr = rec_get_nth_field(rec2, offsets2, + cur_field, &rec2_f_len); + + if (rec1_f_len == UNIV_SQL_NULL + || rec2_f_len == UNIV_SQL_NULL) { + + if (rec1_f_len == rec2_f_len) { + + goto next_field; + + } else if (rec2_f_len == UNIV_SQL_NULL) { + + /* We define the SQL null to be the + smallest possible value of a field + in the alphabetical order */ + + return(1); + } else { + return(-1); + } + } + + if (mtype >= DATA_FLOAT + || (mtype == DATA_BLOB + && 0 == (prtype & DATA_BINARY_TYPE) + && dtype_get_charset_coll(prtype) + != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { + int ret = cmp_whole_field(mtype, prtype, + rec1_b_ptr, + (unsigned) rec1_f_len, + rec2_b_ptr, + (unsigned) rec2_f_len); + if (ret) { + return(ret); + } + + goto next_field; + } + + /* Compare the fields */ + for (cur_bytes = 0;; cur_bytes++, rec1_b_ptr++, rec2_b_ptr++) { + if (rec2_f_len <= cur_bytes) { + + if (rec1_f_len <= cur_bytes) { + + goto next_field; + } + + rec2_byte = dtype_get_pad_char(mtype, prtype); + + if (rec2_byte == ULINT_UNDEFINED) { + return(1); + } + } else { + rec2_byte = *rec2_b_ptr; + } + + if (rec1_f_len <= cur_bytes) { + rec1_byte = dtype_get_pad_char(mtype, prtype); + + if (rec1_byte == ULINT_UNDEFINED) { + return(-1); + } + } else { + rec1_byte = *rec1_b_ptr; + } + + if (rec1_byte == rec2_byte) { + /* If the bytes are equal, they will remain + such even after the collation transformation + below */ + + continue; + } + + if (mtype <= DATA_CHAR + || (mtype == DATA_BLOB + && !(prtype & DATA_BINARY_TYPE))) { + + rec1_byte = cmp_collate(rec1_byte); + rec2_byte = cmp_collate(rec2_byte); + } + + if (rec1_byte < rec2_byte) { + return(-1); + } else if (rec1_byte > rec2_byte) { + return(1); + } + } +next_field: + continue; + } + + /* If we ran out of fields, rec1 was equal to rec2. */ + return(0); +} + +/*************************************************************//** +This function is used to compare two physical records. Only the common +first fields are compared, and if an externally stored field is +encountered, then 0 is returned. +@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ +UNIV_INTERN +int +cmp_rec_rec_with_match( +/*===================*/ + const rec_t* rec1, /*!< in: physical record */ + const rec_t* rec2, /*!< in: physical record */ + const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ + const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ + dict_index_t* index, /*!< in: data dictionary index */ + ulint* matched_fields, /*!< in/out: number of already completely + matched fields; when the function returns, + contains the value the for current + comparison */ + ulint* matched_bytes) /*!< in/out: number of already matched + bytes within the first field not completely + matched; when the function returns, contains + the value for the current comparison */ +{ + ulint rec1_n_fields; /* the number of fields in rec */ + ulint rec1_f_len; /* length of current field in rec */ + const byte* rec1_b_ptr; /* pointer to the current byte + in rec field */ + ulint rec1_byte; /* value of current byte to be + compared in rec */ + ulint rec2_n_fields; /* the number of fields in rec */ + ulint rec2_f_len; /* length of current field in rec */ + const byte* rec2_b_ptr; /* pointer to the current byte + in rec field */ + ulint rec2_byte; /* value of current byte to be + compared in rec */ + ulint cur_field; /* current field number */ + ulint cur_bytes; /* number of already matched + bytes in current field */ + int ret = 0; /* return value */ + ulint comp; + + ut_ad(rec1 && rec2 && index); + ut_ad(rec_offs_validate(rec1, index, offsets1)); + ut_ad(rec_offs_validate(rec2, index, offsets2)); + ut_ad(rec_offs_comp(offsets1) == rec_offs_comp(offsets2)); + + comp = rec_offs_comp(offsets1); + rec1_n_fields = rec_offs_n_fields(offsets1); + rec2_n_fields = rec_offs_n_fields(offsets2); + + cur_field = *matched_fields; + cur_bytes = *matched_bytes; + + /* Match fields in a loop */ + + while ((cur_field < rec1_n_fields) && (cur_field < rec2_n_fields)) { + + ulint mtype; + ulint prtype; + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + /* This is for the insert buffer B-tree. */ + mtype = DATA_BINARY; + prtype = 0; + } else { + const dict_col_t* col + = dict_index_get_nth_col(index, cur_field); + + mtype = col->mtype; + prtype = col->prtype; + } + + rec1_b_ptr = rec_get_nth_field(rec1, offsets1, + cur_field, &rec1_f_len); + rec2_b_ptr = rec_get_nth_field(rec2, offsets2, + cur_field, &rec2_f_len); + + if (cur_bytes == 0) { + if (cur_field == 0) { + /* Test if rec is the predefined minimum + record */ + if (UNIV_UNLIKELY(rec_get_info_bits(rec1, comp) + & REC_INFO_MIN_REC_FLAG)) { + + if (!(rec_get_info_bits(rec2, comp) + & REC_INFO_MIN_REC_FLAG)) { + ret = -1; + } + + goto order_resolved; + + } else if (UNIV_UNLIKELY + (rec_get_info_bits(rec2, comp) + & REC_INFO_MIN_REC_FLAG)) { + + ret = 1; + + goto order_resolved; + } + } + + if (rec_offs_nth_extern(offsets1, cur_field) + || rec_offs_nth_extern(offsets2, cur_field)) { + /* We do not compare to an externally + stored field */ + + goto order_resolved; + } + + if (rec1_f_len == UNIV_SQL_NULL + || rec2_f_len == UNIV_SQL_NULL) { + + if (rec1_f_len == rec2_f_len) { + + goto next_field; + + } else if (rec2_f_len == UNIV_SQL_NULL) { + + /* We define the SQL null to be the + smallest possible value of a field + in the alphabetical order */ + + ret = 1; + } else { + ret = -1; + } + + goto order_resolved; + } + } + + if (mtype >= DATA_FLOAT + || (mtype == DATA_BLOB + && 0 == (prtype & DATA_BINARY_TYPE) + && dtype_get_charset_coll(prtype) + != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { + + ret = cmp_whole_field(mtype, prtype, + rec1_b_ptr, + (unsigned) rec1_f_len, + rec2_b_ptr, + (unsigned) rec2_f_len); + if (ret != 0) { + cur_bytes = 0; + + goto order_resolved; + } else { + goto next_field; + } + } + + /* Set the pointers at the current byte */ + rec1_b_ptr = rec1_b_ptr + cur_bytes; + rec2_b_ptr = rec2_b_ptr + cur_bytes; + + /* Compare then the fields */ + for (;;) { + if (rec2_f_len <= cur_bytes) { + + if (rec1_f_len <= cur_bytes) { + + goto next_field; + } + + rec2_byte = dtype_get_pad_char(mtype, prtype); + + if (rec2_byte == ULINT_UNDEFINED) { + ret = 1; + + goto order_resolved; + } + } else { + rec2_byte = *rec2_b_ptr; + } + + if (rec1_f_len <= cur_bytes) { + rec1_byte = dtype_get_pad_char(mtype, prtype); + + if (rec1_byte == ULINT_UNDEFINED) { + ret = -1; + + goto order_resolved; + } + } else { + rec1_byte = *rec1_b_ptr; + } + + if (rec1_byte == rec2_byte) { + /* If the bytes are equal, they will remain + such even after the collation transformation + below */ + + goto next_byte; + } + + if (mtype <= DATA_CHAR + || (mtype == DATA_BLOB + && !(prtype & DATA_BINARY_TYPE))) { + + rec1_byte = cmp_collate(rec1_byte); + rec2_byte = cmp_collate(rec2_byte); + } + + if (rec1_byte < rec2_byte) { + ret = -1; + goto order_resolved; + } else if (rec1_byte > rec2_byte) { + ret = 1; + goto order_resolved; + } +next_byte: + /* Next byte */ + + cur_bytes++; + rec1_b_ptr++; + rec2_b_ptr++; + } + +next_field: + cur_field++; + cur_bytes = 0; + } + + ut_ad(cur_bytes == 0); + + /* If we ran out of fields, rec1 was equal to rec2 up + to the common fields */ + ut_ad(ret == 0); +order_resolved: + + ut_ad((ret >= - 1) && (ret <= 1)); + + *matched_fields = cur_field; + *matched_bytes = cur_bytes; + + return(ret); +} + +#ifdef UNIV_DEBUG +/*************************************************************//** +Used in debug checking of cmp_dtuple_... . +This function is used to compare a data tuple to a physical record. If +dtuple has n fields then rec must have either m >= n fields, or it must +differ from dtuple in some of the m fields rec has. If encounters an +externally stored field, returns 0. +@return 1, 0, -1, if dtuple is greater, equal, less than rec, +respectively, when only the common first fields are compared */ +static +int +cmp_debug_dtuple_rec_with_match( +/*============================*/ + const dtuple_t* dtuple, /*!< in: data tuple */ + const rec_t* rec, /*!< in: physical record which differs from + dtuple in some of the common fields, or which + has an equal number or more fields than + dtuple */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint* matched_fields) /*!< in/out: number of already + completely matched fields; when function + returns, contains the value for current + comparison */ +{ + const dfield_t* dtuple_field; /* current field in logical record */ + ulint dtuple_f_len; /* the length of the current field + in the logical record */ + const byte* dtuple_f_data; /* pointer to the current logical + field data */ + ulint rec_f_len; /* length of current field in rec */ + const byte* rec_f_data; /* pointer to the current rec field */ + int ret = 3333; /* return value */ + ulint cur_field; /* current field number */ + + ut_ad(dtuple && rec && matched_fields); + ut_ad(dtuple_check_typed(dtuple)); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + ut_ad(*matched_fields <= dtuple_get_n_fields_cmp(dtuple)); + ut_ad(*matched_fields <= rec_offs_n_fields(offsets)); + + cur_field = *matched_fields; + + if (cur_field == 0) { + if (UNIV_UNLIKELY + (rec_get_info_bits(rec, rec_offs_comp(offsets)) + & REC_INFO_MIN_REC_FLAG)) { + + ret = !(dtuple_get_info_bits(dtuple) + & REC_INFO_MIN_REC_FLAG); + + goto order_resolved; + } + + if (UNIV_UNLIKELY + (dtuple_get_info_bits(dtuple) & REC_INFO_MIN_REC_FLAG)) { + ret = -1; + + goto order_resolved; + } + } + + /* Match fields in a loop; stop if we run out of fields in dtuple */ + + while (cur_field < dtuple_get_n_fields_cmp(dtuple)) { + + ulint mtype; + ulint prtype; + + dtuple_field = dtuple_get_nth_field(dtuple, cur_field); + { + const dtype_t* type + = dfield_get_type(dtuple_field); + + mtype = type->mtype; + prtype = type->prtype; + } + + dtuple_f_data = dfield_get_data(dtuple_field); + dtuple_f_len = dfield_get_len(dtuple_field); + + rec_f_data = rec_get_nth_field(rec, offsets, + cur_field, &rec_f_len); + + if (rec_offs_nth_extern(offsets, cur_field)) { + /* We do not compare to an externally stored field */ + + ret = 0; + + goto order_resolved; + } + + ret = cmp_data_data(mtype, prtype, dtuple_f_data, dtuple_f_len, + rec_f_data, rec_f_len); + if (ret != 0) { + goto order_resolved; + } + + cur_field++; + } + + ret = 0; /* If we ran out of fields, dtuple was equal to rec + up to the common fields */ +order_resolved: + ut_ad((ret >= - 1) && (ret <= 1)); + + *matched_fields = cur_field; + + return(ret); +} +#endif /* UNIV_DEBUG */ diff --git a/perfschema/rem/rem0rec.c b/perfschema/rem/rem0rec.c new file mode 100644 index 00000000000..27c11dacc8c --- /dev/null +++ b/perfschema/rem/rem0rec.c @@ -0,0 +1,1710 @@ +/***************************************************************************** + +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file rem/rem0rec.c +Record manager + +Created 5/30/1994 Heikki Tuuri +*************************************************************************/ + +#include "rem0rec.h" + +#ifdef UNIV_NONINL +#include "rem0rec.ic" +#endif + +#include "mtr0mtr.h" +#include "mtr0log.h" + +/* PHYSICAL RECORD (OLD STYLE) + =========================== + +The physical record, which is the data type of all the records +found in index pages of the database, has the following format +(lower addresses and more significant bits inside a byte are below +represented on a higher text line): + +| offset of the end of the last field of data, the most significant + bit is set to 1 if and only if the field is SQL-null, + if the offset is 2-byte, then the second most significant + bit is set to 1 if the field is stored on another page: + mostly this will occur in the case of big BLOB fields | +... +| offset of the end of the first field of data + the SQL-null bit | +| 4 bits used to delete mark a record, and mark a predefined + minimum record in alphabetical order | +| 4 bits giving the number of records owned by this record + (this term is explained in page0page.h) | +| 13 bits giving the order number of this record in the + heap of the index page | +| 10 bits giving the number of fields in this record | +| 1 bit which is set to 1 if the offsets above are given in + one byte format, 0 if in two byte format | +| two bytes giving an absolute pointer to the next record in the page | +ORIGIN of the record +| first field of data | +... +| last field of data | + +The origin of the record is the start address of the first field +of data. The offsets are given relative to the origin. +The offsets of the data fields are stored in an inverted +order because then the offset of the first fields are near the +origin, giving maybe a better processor cache hit rate in searches. + +The offsets of the data fields are given as one-byte +(if there are less than 127 bytes of data in the record) +or two-byte unsigned integers. The most significant bit +is not part of the offset, instead it indicates the SQL-null +if the bit is set to 1. */ + +/* PHYSICAL RECORD (NEW STYLE) + =========================== + +The physical record, which is the data type of all the records +found in index pages of the database, has the following format +(lower addresses and more significant bits inside a byte are below +represented on a higher text line): + +| length of the last non-null variable-length field of data: + if the maximum length is 255, one byte; otherwise, + 0xxxxxxx (one byte, length=0..127), or 1exxxxxxxxxxxxxx (two bytes, + length=128..16383, extern storage flag) | +... +| length of first variable-length field of data | +| SQL-null flags (1 bit per nullable field), padded to full bytes | +| 4 bits used to delete mark a record, and mark a predefined + minimum record in alphabetical order | +| 4 bits giving the number of records owned by this record + (this term is explained in page0page.h) | +| 13 bits giving the order number of this record in the + heap of the index page | +| 3 bits record type: 000=conventional, 001=node pointer (inside B-tree), + 010=infimum, 011=supremum, 1xx=reserved | +| two bytes giving a relative pointer to the next record in the page | +ORIGIN of the record +| first field of data | +... +| last field of data | + +The origin of the record is the start address of the first field +of data. The offsets are given relative to the origin. +The offsets of the data fields are stored in an inverted +order because then the offset of the first fields are near the +origin, giving maybe a better processor cache hit rate in searches. + +The offsets of the data fields are given as one-byte +(if there are less than 127 bytes of data in the record) +or two-byte unsigned integers. The most significant bit +is not part of the offset, instead it indicates the SQL-null +if the bit is set to 1. */ + +/* CANONICAL COORDINATES. A record can be seen as a single +string of 'characters' in the following way: catenate the bytes +in each field, in the order of fields. An SQL-null field +is taken to be an empty sequence of bytes. Then after +the position of each field insert in the string +the 'character' , except that after an SQL-null field +insert . Now the ordinal position of each +byte in this canonical string is its canonical coordinate. +So, for the record ("AA", SQL-NULL, "BB", ""), the canonical +string is "AABB". +We identify prefixes (= initial segments) of a record +with prefixes of the canonical string. The canonical +length of the prefix is the length of the corresponding +prefix of the canonical string. The canonical length of +a record is the length of its canonical string. + +For example, the maximal common prefix of records +("AA", SQL-NULL, "BB", "C") and ("AA", SQL-NULL, "B", "C") +is "AAB", and its canonical +length is 5. + +A complete-field prefix of a record is a prefix which ends at the +end of some field (containing also ). +A record is a complete-field prefix of another record, if +the corresponding canonical strings have the same property. */ + +/* this is used to fool compiler in rec_validate */ +UNIV_INTERN ulint rec_dummy; + +/***************************************************************//** +Validates the consistency of an old-style physical record. +@return TRUE if ok */ +static +ibool +rec_validate_old( +/*=============*/ + const rec_t* rec); /*!< in: physical record */ + +/******************************************************//** +Determine how many of the first n columns in a compact +physical record are stored externally. +@return number of externally stored columns */ +UNIV_INTERN +ulint +rec_get_n_extern_new( +/*=================*/ + const rec_t* rec, /*!< in: compact physical record */ + dict_index_t* index, /*!< in: record descriptor */ + ulint n) /*!< in: number of columns to scan */ +{ + const byte* nulls; + const byte* lens; + dict_field_t* field; + ulint null_mask; + ulint n_extern; + ulint i; + + ut_ad(dict_table_is_comp(index->table)); + ut_ad(rec_get_status(rec) == REC_STATUS_ORDINARY); + ut_ad(n == ULINT_UNDEFINED || n <= dict_index_get_n_fields(index)); + + if (n == ULINT_UNDEFINED) { + n = dict_index_get_n_fields(index); + } + + nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); + lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); + null_mask = 1; + n_extern = 0; + i = 0; + + /* read the lengths of fields 0..n */ + do { + ulint len; + + field = dict_index_get_nth_field(index, i); + if (!(dict_field_get_col(field)->prtype & DATA_NOT_NULL)) { + /* nullable field => read the null flag */ + + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls--; + null_mask = 1; + } + + if (*nulls & null_mask) { + null_mask <<= 1; + /* No length is stored for NULL fields. */ + continue; + } + null_mask <<= 1; + } + + if (UNIV_UNLIKELY(!field->fixed_len)) { + /* Variable-length field: read the length */ + const dict_col_t* col + = dict_field_get_col(field); + len = *lens--; + if (UNIV_UNLIKELY(col->len > 255) + || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { + if (len & 0x80) { + /* 1exxxxxxx xxxxxxxx */ + if (len & 0x40) { + n_extern++; + } + lens--; + } + } + } + } while (++i < n); + + return(n_extern); +} + +/******************************************************//** +Determine the offset to each field in a leaf-page record +in ROW_FORMAT=COMPACT. This is a special case of +rec_init_offsets() and rec_get_offsets_func(). */ +UNIV_INTERN +void +rec_init_offsets_comp_ordinary( +/*===========================*/ + const rec_t* rec, /*!< in: physical record in + ROW_FORMAT=COMPACT */ + ulint extra, /*!< in: number of bytes to reserve + between the record header and + the data payload + (usually REC_N_NEW_EXTRA_BYTES) */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in/out: array of offsets; + in: n=rec_offs_n_fields(offsets) */ +{ + ulint i = 0; + ulint offs = 0; + ulint any_ext = 0; + const byte* nulls = rec - (extra + 1); + const byte* lens = nulls + - UT_BITS_IN_BYTES(index->n_nullable); + dict_field_t* field; + ulint null_mask = 1; + +#ifdef UNIV_DEBUG + /* We cannot invoke rec_offs_make_valid() here, because it can hold + that extra != REC_N_NEW_EXTRA_BYTES. Similarly, rec_offs_validate() + will fail in that case, because it invokes rec_get_status(). */ + offsets[2] = (ulint) rec; + offsets[3] = (ulint) index; +#endif /* UNIV_DEBUG */ + + /* read the lengths of fields 0..n */ + do { + ulint len; + + field = dict_index_get_nth_field(index, i); + if (!(dict_field_get_col(field)->prtype + & DATA_NOT_NULL)) { + /* nullable field => read the null flag */ + + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls--; + null_mask = 1; + } + + if (*nulls & null_mask) { + null_mask <<= 1; + /* No length is stored for NULL fields. + We do not advance offs, and we set + the length to zero and enable the + SQL NULL flag in offsets[]. */ + len = offs | REC_OFFS_SQL_NULL; + goto resolved; + } + null_mask <<= 1; + } + + if (UNIV_UNLIKELY(!field->fixed_len)) { + /* Variable-length field: read the length */ + const dict_col_t* col + = dict_field_get_col(field); + len = *lens--; + if (UNIV_UNLIKELY(col->len > 255) + || UNIV_UNLIKELY(col->mtype + == DATA_BLOB)) { + if (len & 0x80) { + /* 1exxxxxxx xxxxxxxx */ + len <<= 8; + len |= *lens--; + + offs += len & 0x3fff; + if (UNIV_UNLIKELY(len + & 0x4000)) { + ut_ad(dict_index_is_clust + (index)); + any_ext = REC_OFFS_EXTERNAL; + len = offs + | REC_OFFS_EXTERNAL; + } else { + len = offs; + } + + goto resolved; + } + } + + len = offs += len; + } else { + len = offs += field->fixed_len; + } +resolved: + rec_offs_base(offsets)[i + 1] = len; + } while (++i < rec_offs_n_fields(offsets)); + + *rec_offs_base(offsets) + = (rec - (lens + 1)) | REC_OFFS_COMPACT | any_ext; +} + +/******************************************************//** +The following function determines the offsets to each field in the +record. The offsets are written to a previously allocated array of +ulint, where rec_offs_n_fields(offsets) has been initialized to the +number of fields in the record. The rest of the array will be +initialized by this function. rec_offs_base(offsets)[0] will be set +to the extra size (if REC_OFFS_COMPACT is set, the record is in the +new format; if REC_OFFS_EXTERNAL is set, the record contains externally +stored columns), and rec_offs_base(offsets)[1..n_fields] will be set to +offsets past the end of fields 0..n_fields, or to the beginning of +fields 1..n_fields+1. When the high-order bit of the offset at [i+1] +is set (REC_OFFS_SQL_NULL), the field i is NULL. When the second +high-order bit of the offset at [i+1] is set (REC_OFFS_EXTERNAL), the +field i is being stored externally. */ +static +void +rec_init_offsets( +/*=============*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets)/*!< in/out: array of offsets; + in: n=rec_offs_n_fields(offsets) */ +{ + ulint i = 0; + ulint offs; + + rec_offs_make_valid(rec, index, offsets); + + if (dict_table_is_comp(index->table)) { + const byte* nulls; + const byte* lens; + dict_field_t* field; + ulint null_mask; + ulint status = rec_get_status(rec); + ulint n_node_ptr_field = ULINT_UNDEFINED; + + switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + /* the field is 8 bytes long */ + rec_offs_base(offsets)[0] + = REC_N_NEW_EXTRA_BYTES | REC_OFFS_COMPACT; + rec_offs_base(offsets)[1] = 8; + return; + case REC_STATUS_NODE_PTR: + n_node_ptr_field + = dict_index_get_n_unique_in_tree(index); + break; + case REC_STATUS_ORDINARY: + rec_init_offsets_comp_ordinary(rec, + REC_N_NEW_EXTRA_BYTES, + index, offsets); + return; + } + + nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); + lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); + offs = 0; + null_mask = 1; + + /* read the lengths of fields 0..n */ + do { + ulint len; + if (UNIV_UNLIKELY(i == n_node_ptr_field)) { + len = offs += 4; + goto resolved; + } + + field = dict_index_get_nth_field(index, i); + if (!(dict_field_get_col(field)->prtype + & DATA_NOT_NULL)) { + /* nullable field => read the null flag */ + + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls--; + null_mask = 1; + } + + if (*nulls & null_mask) { + null_mask <<= 1; + /* No length is stored for NULL fields. + We do not advance offs, and we set + the length to zero and enable the + SQL NULL flag in offsets[]. */ + len = offs | REC_OFFS_SQL_NULL; + goto resolved; + } + null_mask <<= 1; + } + + if (UNIV_UNLIKELY(!field->fixed_len)) { + /* Variable-length field: read the length */ + const dict_col_t* col + = dict_field_get_col(field); + len = *lens--; + if (UNIV_UNLIKELY(col->len > 255) + || UNIV_UNLIKELY(col->mtype + == DATA_BLOB)) { + if (len & 0x80) { + /* 1exxxxxxx xxxxxxxx */ + + len <<= 8; + len |= *lens--; + + /* B-tree node pointers + must not contain externally + stored columns. Thus + the "e" flag must be 0. */ + ut_a(!(len & 0x4000)); + offs += len & 0x3fff; + len = offs; + + goto resolved; + } + } + + len = offs += len; + } else { + len = offs += field->fixed_len; + } +resolved: + rec_offs_base(offsets)[i + 1] = len; + } while (++i < rec_offs_n_fields(offsets)); + + *rec_offs_base(offsets) + = (rec - (lens + 1)) | REC_OFFS_COMPACT; + } else { + /* Old-style record: determine extra size and end offsets */ + offs = REC_N_OLD_EXTRA_BYTES; + if (rec_get_1byte_offs_flag(rec)) { + offs += rec_offs_n_fields(offsets); + *rec_offs_base(offsets) = offs; + /* Determine offsets to fields */ + do { + offs = rec_1_get_field_end_info(rec, i); + if (offs & REC_1BYTE_SQL_NULL_MASK) { + offs &= ~REC_1BYTE_SQL_NULL_MASK; + offs |= REC_OFFS_SQL_NULL; + } + rec_offs_base(offsets)[1 + i] = offs; + } while (++i < rec_offs_n_fields(offsets)); + } else { + offs += 2 * rec_offs_n_fields(offsets); + *rec_offs_base(offsets) = offs; + /* Determine offsets to fields */ + do { + offs = rec_2_get_field_end_info(rec, i); + if (offs & REC_2BYTE_SQL_NULL_MASK) { + offs &= ~REC_2BYTE_SQL_NULL_MASK; + offs |= REC_OFFS_SQL_NULL; + } + if (offs & REC_2BYTE_EXTERN_MASK) { + offs &= ~REC_2BYTE_EXTERN_MASK; + offs |= REC_OFFS_EXTERNAL; + *rec_offs_base(offsets) |= REC_OFFS_EXTERNAL; + } + rec_offs_base(offsets)[1 + i] = offs; + } while (++i < rec_offs_n_fields(offsets)); + } + } +} + +/******************************************************//** +The following function determines the offsets to each field +in the record. It can reuse a previously returned array. +@return the new offsets */ +UNIV_INTERN +ulint* +rec_get_offsets_func( +/*=================*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint* offsets,/*!< in/out: array consisting of + offsets[0] allocated elements, + or an array from rec_get_offsets(), + or NULL */ + ulint n_fields,/*!< in: maximum number of + initialized fields + (ULINT_UNDEFINED if all fields) */ + mem_heap_t** heap, /*!< in/out: memory heap */ + const char* file, /*!< in: file name where called */ + ulint line) /*!< in: line number where called */ +{ + ulint n; + ulint size; + + ut_ad(rec); + ut_ad(index); + ut_ad(heap); + + if (dict_table_is_comp(index->table)) { + switch (UNIV_EXPECT(rec_get_status(rec), + REC_STATUS_ORDINARY)) { + case REC_STATUS_ORDINARY: + n = dict_index_get_n_fields(index); + break; + case REC_STATUS_NODE_PTR: + n = dict_index_get_n_unique_in_tree(index) + 1; + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + /* infimum or supremum record */ + n = 1; + break; + default: + ut_error; + return(NULL); + } + } else { + n = rec_get_n_fields_old(rec); + } + + if (UNIV_UNLIKELY(n_fields < n)) { + n = n_fields; + } + + size = n + (1 + REC_OFFS_HEADER_SIZE); + + if (UNIV_UNLIKELY(!offsets) + || UNIV_UNLIKELY(rec_offs_get_n_alloc(offsets) < size)) { + if (UNIV_UNLIKELY(!*heap)) { + *heap = mem_heap_create_func(size * sizeof(ulint), + MEM_HEAP_DYNAMIC, + file, line); + } + offsets = mem_heap_alloc(*heap, size * sizeof(ulint)); + rec_offs_set_n_alloc(offsets, size); + } + + rec_offs_set_n_fields(offsets, n); + rec_init_offsets(rec, index, offsets); + return(offsets); +} + +/******************************************************//** +The following function determines the offsets to each field +in the record. It can reuse a previously allocated array. */ +UNIV_INTERN +void +rec_get_offsets_reverse( +/*====================*/ + const byte* extra, /*!< in: the extra bytes of a + compact record in reverse order, + excluding the fixed-size + REC_N_NEW_EXTRA_BYTES */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint node_ptr,/*!< in: nonzero=node pointer, + 0=leaf node */ + ulint* offsets)/*!< in/out: array consisting of + offsets[0] allocated elements */ +{ + ulint n; + ulint i; + ulint offs; + ulint any_ext; + const byte* nulls; + const byte* lens; + dict_field_t* field; + ulint null_mask; + ulint n_node_ptr_field; + + ut_ad(extra); + ut_ad(index); + ut_ad(offsets); + ut_ad(dict_table_is_comp(index->table)); + + if (UNIV_UNLIKELY(node_ptr)) { + n_node_ptr_field = dict_index_get_n_unique_in_tree(index); + n = n_node_ptr_field + 1; + } else { + n_node_ptr_field = ULINT_UNDEFINED; + n = dict_index_get_n_fields(index); + } + + ut_a(rec_offs_get_n_alloc(offsets) >= n + (1 + REC_OFFS_HEADER_SIZE)); + rec_offs_set_n_fields(offsets, n); + + nulls = extra; + lens = nulls + UT_BITS_IN_BYTES(index->n_nullable); + i = offs = 0; + null_mask = 1; + any_ext = 0; + + /* read the lengths of fields 0..n */ + do { + ulint len; + if (UNIV_UNLIKELY(i == n_node_ptr_field)) { + len = offs += 4; + goto resolved; + } + + field = dict_index_get_nth_field(index, i); + if (!(dict_field_get_col(field)->prtype & DATA_NOT_NULL)) { + /* nullable field => read the null flag */ + + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls++; + null_mask = 1; + } + + if (*nulls & null_mask) { + null_mask <<= 1; + /* No length is stored for NULL fields. + We do not advance offs, and we set + the length to zero and enable the + SQL NULL flag in offsets[]. */ + len = offs | REC_OFFS_SQL_NULL; + goto resolved; + } + null_mask <<= 1; + } + + if (UNIV_UNLIKELY(!field->fixed_len)) { + /* Variable-length field: read the length */ + const dict_col_t* col + = dict_field_get_col(field); + len = *lens++; + if (UNIV_UNLIKELY(col->len > 255) + || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { + if (len & 0x80) { + /* 1exxxxxxx xxxxxxxx */ + len <<= 8; + len |= *lens++; + + offs += len & 0x3fff; + if (UNIV_UNLIKELY(len & 0x4000)) { + any_ext = REC_OFFS_EXTERNAL; + len = offs | REC_OFFS_EXTERNAL; + } else { + len = offs; + } + + goto resolved; + } + } + + len = offs += len; + } else { + len = offs += field->fixed_len; + } +resolved: + rec_offs_base(offsets)[i + 1] = len; + } while (++i < rec_offs_n_fields(offsets)); + + ut_ad(lens >= extra); + *rec_offs_base(offsets) = (lens - extra + REC_N_NEW_EXTRA_BYTES) + | REC_OFFS_COMPACT | any_ext; +} + +/************************************************************//** +The following function is used to get the offset to the nth +data field in an old-style record. +@return offset to the field */ +UNIV_INTERN +ulint +rec_get_nth_field_offs_old( +/*=======================*/ + const rec_t* rec, /*!< in: record */ + ulint n, /*!< in: index of the field */ + ulint* len) /*!< out: length of the field; + UNIV_SQL_NULL if SQL null */ +{ + ulint os; + ulint next_os; + + ut_ad(len); + ut_a(rec); + ut_a(n < rec_get_n_fields_old(rec)); + + if (rec_get_1byte_offs_flag(rec)) { + os = rec_1_get_field_start_offs(rec, n); + + next_os = rec_1_get_field_end_info(rec, n); + + if (next_os & REC_1BYTE_SQL_NULL_MASK) { + *len = UNIV_SQL_NULL; + + return(os); + } + + next_os = next_os & ~REC_1BYTE_SQL_NULL_MASK; + } else { + os = rec_2_get_field_start_offs(rec, n); + + next_os = rec_2_get_field_end_info(rec, n); + + if (next_os & REC_2BYTE_SQL_NULL_MASK) { + *len = UNIV_SQL_NULL; + + return(os); + } + + next_os = next_os & ~(REC_2BYTE_SQL_NULL_MASK + | REC_2BYTE_EXTERN_MASK); + } + + *len = next_os - os; + + ut_ad(*len < UNIV_PAGE_SIZE); + + return(os); +} + +/**********************************************************//** +Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. +@return total size */ +UNIV_INTERN +ulint +rec_get_converted_size_comp_prefix( +/*===============================*/ + const dict_index_t* index, /*!< in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra) /*!< out: extra size */ +{ + ulint extra_size; + ulint data_size; + ulint i; + ut_ad(index); + ut_ad(fields); + ut_ad(n_fields > 0); + ut_ad(n_fields <= dict_index_get_n_fields(index)); + + extra_size = REC_N_NEW_EXTRA_BYTES + + UT_BITS_IN_BYTES(index->n_nullable); + data_size = 0; + + /* read the lengths of fields 0..n */ + for (i = 0; i < n_fields; i++) { + const dict_field_t* field; + ulint len; + const dict_col_t* col; + + field = dict_index_get_nth_field(index, i); + len = dfield_get_len(&fields[i]); + col = dict_field_get_col(field); + + ut_ad(dict_col_type_assert_equal(col, + dfield_get_type(&fields[i]))); + + if (dfield_is_null(&fields[i])) { + /* No length is stored for NULL fields. */ + ut_ad(!(col->prtype & DATA_NOT_NULL)); + continue; + } + + ut_ad(len <= col->len || col->mtype == DATA_BLOB); + + if (field->fixed_len) { + ut_ad(len == field->fixed_len); + /* dict_index_add_col() should guarantee this */ + ut_ad(!field->prefix_len + || field->fixed_len == field->prefix_len); + } else if (dfield_is_ext(&fields[i])) { + extra_size += 2; + } else if (len < 128 + || (col->len < 256 && col->mtype != DATA_BLOB)) { + extra_size++; + } else { + /* For variable-length columns, we look up the + maximum length from the column itself. If this + is a prefix index column shorter than 256 bytes, + this will waste one byte. */ + extra_size += 2; + } + data_size += len; + } + + if (UNIV_LIKELY_NULL(extra)) { + *extra = extra_size; + } + + return(extra_size + data_size); +} + +/**********************************************************//** +Determines the size of a data tuple in ROW_FORMAT=COMPACT. +@return total size */ +UNIV_INTERN +ulint +rec_get_converted_size_comp( +/*========================*/ + const dict_index_t* index, /*!< in: record descriptor; + dict_table_is_comp() is + assumed to hold, even if + it does not */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields,/*!< in: number of data fields */ + ulint* extra) /*!< out: extra size */ +{ + ulint size; + ut_ad(index); + ut_ad(fields); + ut_ad(n_fields > 0); + + switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { + case REC_STATUS_ORDINARY: + ut_ad(n_fields == dict_index_get_n_fields(index)); + size = 0; + break; + case REC_STATUS_NODE_PTR: + n_fields--; + ut_ad(n_fields == dict_index_get_n_unique_in_tree(index)); + ut_ad(dfield_get_len(&fields[n_fields]) == REC_NODE_PTR_SIZE); + size = REC_NODE_PTR_SIZE; /* child page number */ + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + /* infimum or supremum record, 8 data bytes */ + if (UNIV_LIKELY_NULL(extra)) { + *extra = REC_N_NEW_EXTRA_BYTES; + } + return(REC_N_NEW_EXTRA_BYTES + 8); + default: + ut_error; + return(ULINT_UNDEFINED); + } + + return(size + rec_get_converted_size_comp_prefix(index, fields, + n_fields, extra)); +} + +/***********************************************************//** +Sets the value of the ith field SQL null bit of an old-style record. */ +UNIV_INTERN +void +rec_set_nth_field_null_bit( +/*=======================*/ + rec_t* rec, /*!< in: record */ + ulint i, /*!< in: ith field */ + ibool val) /*!< in: value to set */ +{ + ulint info; + + if (rec_get_1byte_offs_flag(rec)) { + + info = rec_1_get_field_end_info(rec, i); + + if (val) { + info = info | REC_1BYTE_SQL_NULL_MASK; + } else { + info = info & ~REC_1BYTE_SQL_NULL_MASK; + } + + rec_1_set_field_end_info(rec, i, info); + + return; + } + + info = rec_2_get_field_end_info(rec, i); + + if (val) { + info = info | REC_2BYTE_SQL_NULL_MASK; + } else { + info = info & ~REC_2BYTE_SQL_NULL_MASK; + } + + rec_2_set_field_end_info(rec, i, info); +} + +/***********************************************************//** +Sets an old-style record field to SQL null. +The physical size of the field is not changed. */ +UNIV_INTERN +void +rec_set_nth_field_sql_null( +/*=======================*/ + rec_t* rec, /*!< in: record */ + ulint n) /*!< in: index of the field */ +{ + ulint offset; + + offset = rec_get_field_start_offs(rec, n); + + data_write_sql_null(rec + offset, rec_get_nth_field_size(rec, n)); + + rec_set_nth_field_null_bit(rec, n, TRUE); +} + +/*********************************************************//** +Builds an old-style physical record out of a data tuple and +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ +static +rec_t* +rec_convert_dtuple_to_rec_old( +/*==========================*/ + byte* buf, /*!< in: start address of the physical record */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of externally stored columns */ +{ + const dfield_t* field; + ulint n_fields; + ulint data_size; + rec_t* rec; + ulint end_offset; + ulint ored_offset; + ulint len; + ulint i; + + ut_ad(buf && dtuple); + ut_ad(dtuple_validate(dtuple)); + ut_ad(dtuple_check_typed(dtuple)); + + n_fields = dtuple_get_n_fields(dtuple); + data_size = dtuple_get_data_size(dtuple, 0); + + ut_ad(n_fields > 0); + + /* Calculate the offset of the origin in the physical record */ + + rec = buf + rec_get_converted_extra_size(data_size, n_fields, n_ext); +#ifdef UNIV_DEBUG + /* Suppress Valgrind warnings of ut_ad() + in mach_write_to_1(), mach_write_to_2() et al. */ + memset(buf, 0xff, rec - buf + data_size); +#endif /* UNIV_DEBUG */ + /* Store the number of fields */ + rec_set_n_fields_old(rec, n_fields); + + /* Set the info bits of the record */ + rec_set_info_bits_old(rec, dtuple_get_info_bits(dtuple) + & REC_INFO_BITS_MASK); + + /* Store the data and the offsets */ + + end_offset = 0; + + if (!n_ext && data_size <= REC_1BYTE_OFFS_LIMIT) { + + rec_set_1byte_offs_flag(rec, TRUE); + + for (i = 0; i < n_fields; i++) { + + field = dtuple_get_nth_field(dtuple, i); + + if (dfield_is_null(field)) { + len = dtype_get_sql_null_size( + dfield_get_type(field), 0); + data_write_sql_null(rec + end_offset, len); + + end_offset += len; + ored_offset = end_offset + | REC_1BYTE_SQL_NULL_MASK; + } else { + /* If the data is not SQL null, store it */ + len = dfield_get_len(field); + + memcpy(rec + end_offset, + dfield_get_data(field), len); + + end_offset += len; + ored_offset = end_offset; + } + + rec_1_set_field_end_info(rec, i, ored_offset); + } + } else { + rec_set_1byte_offs_flag(rec, FALSE); + + for (i = 0; i < n_fields; i++) { + + field = dtuple_get_nth_field(dtuple, i); + + if (dfield_is_null(field)) { + len = dtype_get_sql_null_size( + dfield_get_type(field), 0); + data_write_sql_null(rec + end_offset, len); + + end_offset += len; + ored_offset = end_offset + | REC_2BYTE_SQL_NULL_MASK; + } else { + /* If the data is not SQL null, store it */ + len = dfield_get_len(field); + + memcpy(rec + end_offset, + dfield_get_data(field), len); + + end_offset += len; + ored_offset = end_offset; + + if (dfield_is_ext(field)) { + ored_offset |= REC_2BYTE_EXTERN_MASK; + } + } + + rec_2_set_field_end_info(rec, i, ored_offset); + } + } + + return(rec); +} + +/*********************************************************//** +Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ +UNIV_INTERN +void +rec_convert_dtuple_to_rec_comp( +/*===========================*/ + rec_t* rec, /*!< in: origin of record */ + ulint extra, /*!< in: number of bytes to + reserve between the record + header and the data payload + (normally REC_N_NEW_EXTRA_BYTES) */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint status, /*!< in: status bits of the record */ + const dfield_t* fields, /*!< in: array of data fields */ + ulint n_fields)/*!< in: number of data fields */ +{ + const dfield_t* field; + const dtype_t* type; + byte* end; + byte* nulls; + byte* lens; + ulint len; + ulint i; + ulint n_node_ptr_field; + ulint fixed_len; + ulint null_mask = 1; + ut_ad(extra == 0 || dict_table_is_comp(index->table)); + ut_ad(extra == 0 || extra == REC_N_NEW_EXTRA_BYTES); + ut_ad(n_fields > 0); + + switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { + case REC_STATUS_ORDINARY: + ut_ad(n_fields <= dict_index_get_n_fields(index)); + n_node_ptr_field = ULINT_UNDEFINED; + break; + case REC_STATUS_NODE_PTR: + ut_ad(n_fields == dict_index_get_n_unique_in_tree(index) + 1); + n_node_ptr_field = n_fields - 1; + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + ut_ad(n_fields == 1); + n_node_ptr_field = ULINT_UNDEFINED; + break; + default: + ut_error; + return; + } + + end = rec; + nulls = rec - (extra + 1); + lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); + /* clear the SQL-null flags */ + memset(lens + 1, 0, nulls - lens); + + /* Store the data and the offsets */ + + for (i = 0, field = fields; i < n_fields; i++, field++) { + type = dfield_get_type(field); + len = dfield_get_len(field); + + if (UNIV_UNLIKELY(i == n_node_ptr_field)) { + ut_ad(dtype_get_prtype(type) & DATA_NOT_NULL); + ut_ad(len == 4); + memcpy(end, dfield_get_data(field), len); + end += 4; + break; + } + + if (!(dtype_get_prtype(type) & DATA_NOT_NULL)) { + /* nullable field */ + ut_ad(index->n_nullable > 0); + + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls--; + null_mask = 1; + } + + ut_ad(*nulls < null_mask); + + /* set the null flag if necessary */ + if (dfield_is_null(field)) { + *nulls |= null_mask; + null_mask <<= 1; + continue; + } + + null_mask <<= 1; + } + /* only nullable fields can be null */ + ut_ad(!dfield_is_null(field)); + + fixed_len = dict_index_get_nth_field(index, i)->fixed_len; + + if (fixed_len) { + ut_ad(len == fixed_len); + ut_ad(!dfield_is_ext(field)); + } else if (dfield_is_ext(field)) { + ut_ad(len <= REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE); + *lens-- = (byte) (len >> 8) | 0xc0; + *lens-- = (byte) len; + } else { + ut_ad(len <= dtype_get_len(type) + || dtype_get_mtype(type) == DATA_BLOB); + if (len < 128 + || (dtype_get_len(type) < 256 + && dtype_get_mtype(type) != DATA_BLOB)) { + + *lens-- = (byte) len; + } else { + ut_ad(len < 16384); + *lens-- = (byte) (len >> 8) | 0x80; + *lens-- = (byte) len; + } + } + + memcpy(end, dfield_get_data(field), len); + end += len; + } +} + +/*********************************************************//** +Builds a new-style physical record out of a data tuple and +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ +static +rec_t* +rec_convert_dtuple_to_rec_new( +/*==========================*/ + byte* buf, /*!< in: start address of + the physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple) /*!< in: data tuple */ +{ + ulint extra_size; + ulint status; + rec_t* rec; + + status = dtuple_get_info_bits(dtuple) & REC_NEW_STATUS_MASK; + rec_get_converted_size_comp(index, status, + dtuple->fields, dtuple->n_fields, + &extra_size); + rec = buf + extra_size; + + rec_convert_dtuple_to_rec_comp( + rec, REC_N_NEW_EXTRA_BYTES, index, status, + dtuple->fields, dtuple->n_fields); + + /* Set the info bits of the record */ + rec_set_info_and_status_bits(rec, dtuple_get_info_bits(dtuple)); + + return(rec); +} + +/*********************************************************//** +Builds a physical record out of a data tuple and +stores it beginning from the start of the given buffer. +@return pointer to the origin of physical record */ +UNIV_INTERN +rec_t* +rec_convert_dtuple_to_rec( +/*======================*/ + byte* buf, /*!< in: start address of the + physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + const dtuple_t* dtuple, /*!< in: data tuple */ + ulint n_ext) /*!< in: number of + externally stored columns */ +{ + rec_t* rec; + + ut_ad(buf && index && dtuple); + ut_ad(dtuple_validate(dtuple)); + ut_ad(dtuple_check_typed(dtuple)); + + if (dict_table_is_comp(index->table)) { + rec = rec_convert_dtuple_to_rec_new(buf, index, dtuple); + } else { + rec = rec_convert_dtuple_to_rec_old(buf, dtuple, n_ext); + } + +#ifdef UNIV_DEBUG + { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + offsets = rec_get_offsets(rec, index, + offsets_, ULINT_UNDEFINED, &heap); + ut_ad(rec_validate(rec, offsets)); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } +#endif /* UNIV_DEBUG */ + return(rec); +} + +/**************************************************************//** +Copies the first n fields of a physical record to a data tuple. The fields +are copied to the memory heap. */ +UNIV_INTERN +void +rec_copy_prefix_to_dtuple( +/*======================*/ + dtuple_t* tuple, /*!< out: data tuple */ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields + to copy */ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ulint i; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + offsets = rec_get_offsets(rec, index, offsets, n_fields, &heap); + + ut_ad(rec_validate(rec, offsets)); + ut_ad(dtuple_check_typed(tuple)); + + dtuple_set_info_bits(tuple, rec_get_info_bits( + rec, dict_table_is_comp(index->table))); + + for (i = 0; i < n_fields; i++) { + dfield_t* field; + const byte* data; + ulint len; + + field = dtuple_get_nth_field(tuple, i); + data = rec_get_nth_field(rec, offsets, i, &len); + + if (len != UNIV_SQL_NULL) { + dfield_set_data(field, + mem_heap_dup(heap, data, len), len); + ut_ad(!rec_offs_nth_extern(offsets, i)); + } else { + dfield_set_null(field); + } + } +} + +/**************************************************************//** +Copies the first n fields of an old-style physical record +to a new physical record in a buffer. +@return own: copied record */ +static +rec_t* +rec_copy_prefix_to_buf_old( +/*=======================*/ + const rec_t* rec, /*!< in: physical record */ + ulint n_fields, /*!< in: number of fields to copy */ + ulint area_end, /*!< in: end of the prefix data */ + byte** buf, /*!< in/out: memory buffer for + the copied prefix, or NULL */ + ulint* buf_size) /*!< in/out: buffer size */ +{ + rec_t* copy_rec; + ulint area_start; + ulint prefix_len; + + if (rec_get_1byte_offs_flag(rec)) { + area_start = REC_N_OLD_EXTRA_BYTES + n_fields; + } else { + area_start = REC_N_OLD_EXTRA_BYTES + 2 * n_fields; + } + + prefix_len = area_start + area_end; + + if ((*buf == NULL) || (*buf_size < prefix_len)) { + if (*buf != NULL) { + mem_free(*buf); + } + + *buf = mem_alloc2(prefix_len, buf_size); + } + + ut_memcpy(*buf, rec - area_start, prefix_len); + + copy_rec = *buf + area_start; + + rec_set_n_fields_old(copy_rec, n_fields); + + return(copy_rec); +} + +/**************************************************************//** +Copies the first n fields of a physical record to a new physical record in +a buffer. +@return own: copied record */ +UNIV_INTERN +rec_t* +rec_copy_prefix_to_buf( +/*===================*/ + const rec_t* rec, /*!< in: physical record */ + const dict_index_t* index, /*!< in: record descriptor */ + ulint n_fields, /*!< in: number of fields + to copy */ + byte** buf, /*!< in/out: memory buffer + for the copied prefix, + or NULL */ + ulint* buf_size) /*!< in/out: buffer size */ +{ + const byte* nulls; + const byte* lens; + ulint i; + ulint prefix_len; + ulint null_mask; + ulint status; + + UNIV_PREFETCH_RW(*buf); + + if (!dict_table_is_comp(index->table)) { + ut_ad(rec_validate_old(rec)); + return(rec_copy_prefix_to_buf_old( + rec, n_fields, + rec_get_field_start_offs(rec, n_fields), + buf, buf_size)); + } + + status = rec_get_status(rec); + + switch (status) { + case REC_STATUS_ORDINARY: + ut_ad(n_fields <= dict_index_get_n_fields(index)); + break; + case REC_STATUS_NODE_PTR: + /* it doesn't make sense to copy the child page number field */ + ut_ad(n_fields <= dict_index_get_n_unique_in_tree(index)); + break; + case REC_STATUS_INFIMUM: + case REC_STATUS_SUPREMUM: + /* infimum or supremum record: no sense to copy anything */ + default: + ut_error; + return(NULL); + } + + nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); + lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); + UNIV_PREFETCH_R(lens); + prefix_len = 0; + null_mask = 1; + + /* read the lengths of fields 0..n */ + for (i = 0; i < n_fields; i++) { + const dict_field_t* field; + const dict_col_t* col; + + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + + if (!(col->prtype & DATA_NOT_NULL)) { + /* nullable field => read the null flag */ + if (UNIV_UNLIKELY(!(byte) null_mask)) { + nulls--; + null_mask = 1; + } + + if (*nulls & null_mask) { + null_mask <<= 1; + continue; + } + + null_mask <<= 1; + } + + if (field->fixed_len) { + prefix_len += field->fixed_len; + } else { + ulint len = *lens--; + if (col->len > 255 || col->mtype == DATA_BLOB) { + if (len & 0x80) { + /* 1exxxxxx */ + len &= 0x3f; + len <<= 8; + len |= *lens--; + UNIV_PREFETCH_R(lens); + } + } + prefix_len += len; + } + } + + UNIV_PREFETCH_R(rec + prefix_len); + + prefix_len += rec - (lens + 1); + + if ((*buf == NULL) || (*buf_size < prefix_len)) { + if (*buf != NULL) { + mem_free(*buf); + } + + *buf = mem_alloc2(prefix_len, buf_size); + } + + memcpy(*buf, lens + 1, prefix_len); + + return(*buf + (rec - (lens + 1))); +} + +/***************************************************************//** +Validates the consistency of an old-style physical record. +@return TRUE if ok */ +static +ibool +rec_validate_old( +/*=============*/ + const rec_t* rec) /*!< in: physical record */ +{ + const byte* data; + ulint len; + ulint n_fields; + ulint len_sum = 0; + ulint sum = 0; + ulint i; + + ut_a(rec); + n_fields = rec_get_n_fields_old(rec); + + if ((n_fields == 0) || (n_fields > REC_MAX_N_FIELDS)) { + fprintf(stderr, "InnoDB: Error: record has %lu fields\n", + (ulong) n_fields); + return(FALSE); + } + + for (i = 0; i < n_fields; i++) { + data = rec_get_nth_field_old(rec, i, &len); + + if (!((len < UNIV_PAGE_SIZE) || (len == UNIV_SQL_NULL))) { + fprintf(stderr, + "InnoDB: Error: record field %lu len %lu\n", + (ulong) i, + (ulong) len); + return(FALSE); + } + + if (len != UNIV_SQL_NULL) { + len_sum += len; + sum += *(data + len -1); /* dereference the + end of the field to + cause a memory trap + if possible */ + } else { + len_sum += rec_get_nth_field_size(rec, i); + } + } + + if (len_sum != rec_get_data_size_old(rec)) { + fprintf(stderr, + "InnoDB: Error: record len should be %lu, len %lu\n", + (ulong) len_sum, + rec_get_data_size_old(rec)); + return(FALSE); + } + + rec_dummy = sum; /* This is here only to fool the compiler */ + + return(TRUE); +} + +/***************************************************************//** +Validates the consistency of a physical record. +@return TRUE if ok */ +UNIV_INTERN +ibool +rec_validate( +/*=========*/ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + const byte* data; + ulint len; + ulint n_fields; + ulint len_sum = 0; + ulint sum = 0; + ulint i; + + ut_a(rec); + n_fields = rec_offs_n_fields(offsets); + + if ((n_fields == 0) || (n_fields > REC_MAX_N_FIELDS)) { + fprintf(stderr, "InnoDB: Error: record has %lu fields\n", + (ulong) n_fields); + return(FALSE); + } + + ut_a(rec_offs_comp(offsets) || n_fields <= rec_get_n_fields_old(rec)); + + for (i = 0; i < n_fields; i++) { + data = rec_get_nth_field(rec, offsets, i, &len); + + if (!((len < UNIV_PAGE_SIZE) || (len == UNIV_SQL_NULL))) { + fprintf(stderr, + "InnoDB: Error: record field %lu len %lu\n", + (ulong) i, + (ulong) len); + return(FALSE); + } + + if (len != UNIV_SQL_NULL) { + len_sum += len; + sum += *(data + len -1); /* dereference the + end of the field to + cause a memory trap + if possible */ + } else if (!rec_offs_comp(offsets)) { + len_sum += rec_get_nth_field_size(rec, i); + } + } + + if (len_sum != rec_offs_data_size(offsets)) { + fprintf(stderr, + "InnoDB: Error: record len should be %lu, len %lu\n", + (ulong) len_sum, + (ulong) rec_offs_data_size(offsets)); + return(FALSE); + } + + rec_dummy = sum; /* This is here only to fool the compiler */ + + if (!rec_offs_comp(offsets)) { + ut_a(rec_validate_old(rec)); + } + + return(TRUE); +} + +/***************************************************************//** +Prints an old-style physical record. */ +UNIV_INTERN +void +rec_print_old( +/*==========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec) /*!< in: physical record */ +{ + const byte* data; + ulint len; + ulint n; + ulint i; + + ut_ad(rec); + + n = rec_get_n_fields_old(rec); + + fprintf(file, "PHYSICAL RECORD: n_fields %lu;" + " %u-byte offsets; info bits %lu\n", + (ulong) n, + rec_get_1byte_offs_flag(rec) ? 1 : 2, + (ulong) rec_get_info_bits(rec, FALSE)); + + for (i = 0; i < n; i++) { + + data = rec_get_nth_field_old(rec, i, &len); + + fprintf(file, " %lu:", (ulong) i); + + if (len != UNIV_SQL_NULL) { + if (len <= 30) { + + ut_print_buf(file, data, len); + } else { + ut_print_buf(file, data, 30); + + fprintf(file, " (total %lu bytes)", + (ulong) len); + } + } else { + fprintf(file, " SQL NULL, size %lu ", + rec_get_nth_field_size(rec, i)); + } + + putc(';', file); + putc('\n', file); + } + + rec_validate_old(rec); +} + +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Prints a physical record in ROW_FORMAT=COMPACT. Ignores the +record header. */ +UNIV_INTERN +void +rec_print_comp( +/*===========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ulint i; + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + const byte* data; + ulint len; + + data = rec_get_nth_field(rec, offsets, i, &len); + + fprintf(file, " %lu:", (ulong) i); + + if (len != UNIV_SQL_NULL) { + if (len <= 30) { + + ut_print_buf(file, data, len); + } else { + ut_print_buf(file, data, 30); + + fprintf(file, " (total %lu bytes)", + (ulong) len); + } + } else { + fputs(" SQL NULL", file); + } + putc(';', file); + putc('\n', file); + } +} + +/***************************************************************//** +Prints a physical record. */ +UNIV_INTERN +void +rec_print_new( +/*==========*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ +{ + ut_ad(rec); + ut_ad(offsets); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + if (!rec_offs_comp(offsets)) { + rec_print_old(file, rec); + return; + } + + fprintf(file, "PHYSICAL RECORD: n_fields %lu;" + " compact format; info bits %lu\n", + (ulong) rec_offs_n_fields(offsets), + (ulong) rec_get_info_bits(rec, TRUE)); + + rec_print_comp(file, rec, offsets); + rec_validate(rec, offsets); +} + +/***************************************************************//** +Prints a physical record. */ +UNIV_INTERN +void +rec_print( +/*======*/ + FILE* file, /*!< in: file where to print */ + const rec_t* rec, /*!< in: physical record */ + dict_index_t* index) /*!< in: record descriptor */ +{ + ut_ad(index); + + if (!dict_table_is_comp(index->table)) { + rec_print_old(file, rec); + return; + } else { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + rec_print_new(file, rec, + rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap)); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/revert_gen.sh b/perfschema/revert_gen.sh new file mode 100755 index 00000000000..231e05a21e0 --- /dev/null +++ b/perfschema/revert_gen.sh @@ -0,0 +1,8 @@ +#!/bin/bash +# +# revert changes to all generated files. this is useful in some situations +# when merging changes between branches. + +set -eu + +svn revert include/pars0grm.h pars/pars0grm.h pars/lexyy.c pars/pars0grm.c diff --git a/perfschema/row/row0ext.c b/perfschema/row/row0ext.c new file mode 100644 index 00000000000..7320f5b1dca --- /dev/null +++ b/perfschema/row/row0ext.c @@ -0,0 +1,115 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0ext.c +Caching of externally stored column prefixes + +Created September 2006 Marko Makela +*******************************************************/ + +#include "row0ext.h" + +#ifdef UNIV_NONINL +#include "row0ext.ic" +#endif + +#include "btr0cur.h" + +/********************************************************************//** +Fills the column prefix cache of an externally stored column. */ +static +void +row_ext_cache_fill( +/*===============*/ + row_ext_t* ext, /*!< in/out: column prefix cache */ + ulint i, /*!< in: index of ext->ext[] */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + const dfield_t* dfield) /*!< in: data field */ +{ + const byte* field = dfield_get_data(dfield); + ulint f_len = dfield_get_len(dfield); + byte* buf = ext->buf + i * REC_MAX_INDEX_COL_LEN; + + ut_ad(i < ext->n_ext); + ut_ad(dfield_is_ext(dfield)); + ut_a(f_len >= BTR_EXTERN_FIELD_REF_SIZE); + + if (UNIV_UNLIKELY(!memcmp(field_ref_zero, + field + f_len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE))) { + /* The BLOB pointer is not set: we cannot fetch it */ + ext->len[i] = 0; + } else { + /* Fetch at most REC_MAX_INDEX_COL_LEN of the column. + The column should be non-empty. However, + trx_rollback_or_clean_all_recovered() may try to + access a half-deleted BLOB if the server previously + crashed during the execution of + btr_free_externally_stored_field(). */ + ext->len[i] = btr_copy_externally_stored_field_prefix( + buf, REC_MAX_INDEX_COL_LEN, zip_size, field, f_len); + } +} + +/********************************************************************//** +Creates a cache of column prefixes of externally stored columns. +@return own: column prefix cache */ +UNIV_INTERN +row_ext_t* +row_ext_create( +/*===========*/ + ulint n_ext, /*!< in: number of externally stored columns */ + const ulint* ext, /*!< in: col_no's of externally stored columns + in the InnoDB table object, as reported by + dict_col_get_no(); NOT relative to the records + in the clustered index */ + const dtuple_t* tuple, /*!< in: data tuple containing the field + references of the externally stored + columns; must be indexed by col_no; + the clustered index record must be + covered by a lock or a page latch + to prevent deletion (rollback or purge). */ + ulint zip_size,/*!< compressed page size in bytes, or 0 */ + mem_heap_t* heap) /*!< in: heap where created */ +{ + ulint i; + row_ext_t* ret = mem_heap_alloc(heap, (sizeof *ret) + + (n_ext - 1) * sizeof ret->len); + + ut_ad(ut_is_2pow(zip_size)); + ut_ad(zip_size <= UNIV_PAGE_SIZE); + + ret->n_ext = n_ext; + ret->ext = ext; + ret->buf = mem_heap_alloc(heap, n_ext * REC_MAX_INDEX_COL_LEN); +#ifdef UNIV_DEBUG + memset(ret->buf, 0xaa, n_ext * REC_MAX_INDEX_COL_LEN); + UNIV_MEM_ALLOC(ret->buf, n_ext * REC_MAX_INDEX_COL_LEN); +#endif + + /* Fetch the BLOB prefixes */ + for (i = 0; i < n_ext; i++) { + const dfield_t* dfield; + + dfield = dtuple_get_nth_field(tuple, ext[i]); + row_ext_cache_fill(ret, i, zip_size, dfield); + } + + return(ret); +} diff --git a/perfschema/row/row0ins.c b/perfschema/row/row0ins.c new file mode 100644 index 00000000000..906aaae2412 --- /dev/null +++ b/perfschema/row/row0ins.c @@ -0,0 +1,2515 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0ins.c +Insert into a table + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + +#include "row0ins.h" + +#ifdef UNIV_NONINL +#include "row0ins.ic" +#endif + +#include "ha_prototypes.h" +#include "dict0dict.h" +#include "dict0boot.h" +#include "trx0undo.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "mach0data.h" +#include "que0que.h" +#include "row0upd.h" +#include "row0sel.h" +#include "row0row.h" +#include "rem0cmp.h" +#include "lock0lock.h" +#include "log0log.h" +#include "eval0eval.h" +#include "data0data.h" +#include "usr0sess.h" +#include "buf0lru.h" + +#define ROW_INS_PREV 1 +#define ROW_INS_NEXT 2 + + +/*********************************************************************//** +Creates an insert node struct. +@return own: insert node struct */ +UNIV_INTERN +ins_node_t* +ins_node_create( +/*============*/ + ulint ins_type, /*!< in: INS_VALUES, ... */ + dict_table_t* table, /*!< in: table where to insert */ + mem_heap_t* heap) /*!< in: mem heap where created */ +{ + ins_node_t* node; + + node = mem_heap_alloc(heap, sizeof(ins_node_t)); + + node->common.type = QUE_NODE_INSERT; + + node->ins_type = ins_type; + + node->state = INS_NODE_SET_IX_LOCK; + node->table = table; + node->index = NULL; + node->entry = NULL; + + node->select = NULL; + + node->trx_id = ut_dulint_zero; + + node->entry_sys_heap = mem_heap_create(128); + + node->magic_n = INS_NODE_MAGIC_N; + + return(node); +} + +/***********************************************************//** +Creates an entry template for each index of a table. */ +UNIV_INTERN +void +ins_node_create_entry_list( +/*=======================*/ + ins_node_t* node) /*!< in: row insert node */ +{ + dict_index_t* index; + dtuple_t* entry; + + ut_ad(node->entry_sys_heap); + + UT_LIST_INIT(node->entry_list); + + index = dict_table_get_first_index(node->table); + + while (index != NULL) { + entry = row_build_index_entry(node->row, NULL, index, + node->entry_sys_heap); + UT_LIST_ADD_LAST(tuple_list, node->entry_list, entry); + + index = dict_table_get_next_index(index); + } +} + +/*****************************************************************//** +Adds system field buffers to a row. */ +static +void +row_ins_alloc_sys_fields( +/*=====================*/ + ins_node_t* node) /*!< in: insert node */ +{ + dtuple_t* row; + dict_table_t* table; + mem_heap_t* heap; + const dict_col_t* col; + dfield_t* dfield; + byte* ptr; + + row = node->row; + table = node->table; + heap = node->entry_sys_heap; + + ut_ad(row && table && heap); + ut_ad(dtuple_get_n_fields(row) == dict_table_get_n_cols(table)); + + /* 1. Allocate buffer for row id */ + + col = dict_table_get_sys_col(table, DATA_ROW_ID); + + dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); + + ptr = mem_heap_zalloc(heap, DATA_ROW_ID_LEN); + + dfield_set_data(dfield, ptr, DATA_ROW_ID_LEN); + + node->row_id_buf = ptr; + + /* 3. Allocate buffer for trx id */ + + col = dict_table_get_sys_col(table, DATA_TRX_ID); + + dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); + ptr = mem_heap_zalloc(heap, DATA_TRX_ID_LEN); + + dfield_set_data(dfield, ptr, DATA_TRX_ID_LEN); + + node->trx_id_buf = ptr; + + /* 4. Allocate buffer for roll ptr */ + + col = dict_table_get_sys_col(table, DATA_ROLL_PTR); + + dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); + ptr = mem_heap_zalloc(heap, DATA_ROLL_PTR_LEN); + + dfield_set_data(dfield, ptr, DATA_ROLL_PTR_LEN); +} + +/*********************************************************************//** +Sets a new row to insert for an INS_DIRECT node. This function is only used +if we have constructed the row separately, which is a rare case; this +function is quite slow. */ +UNIV_INTERN +void +ins_node_set_new_row( +/*=================*/ + ins_node_t* node, /*!< in: insert node */ + dtuple_t* row) /*!< in: new row (or first row) for the node */ +{ + node->state = INS_NODE_SET_IX_LOCK; + node->index = NULL; + node->entry = NULL; + + node->row = row; + + mem_heap_empty(node->entry_sys_heap); + + /* Create templates for index entries */ + + ins_node_create_entry_list(node); + + /* Allocate from entry_sys_heap buffers for sys fields */ + + row_ins_alloc_sys_fields(node); + + /* As we allocated a new trx id buf, the trx id should be written + there again: */ + + node->trx_id = ut_dulint_zero; +} + +/*******************************************************************//** +Does an insert operation by updating a delete-marked existing record +in the index. This situation can occur if the delete-marked record is +kept in the index for consistent reads. +@return DB_SUCCESS or error code */ +static +ulint +row_ins_sec_index_entry_by_modify( +/*==============================*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + depending on whether mtr holds just a leaf + latch or also a tree latch */ + btr_cur_t* cursor, /*!< in: B-tree cursor */ + const dtuple_t* entry, /*!< in: index entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before + latching any further pages */ +{ + big_rec_t* dummy_big_rec; + mem_heap_t* heap; + upd_t* update; + rec_t* rec; + ulint err; + + rec = btr_cur_get_rec(cursor); + + ut_ad(!dict_index_is_clust(cursor->index)); + ut_ad(rec_get_deleted_flag(rec, + dict_table_is_comp(cursor->index->table))); + + /* We know that in the alphabetical ordering, entry and rec are + identified. But in their binary form there may be differences if + there are char fields in them. Therefore we have to calculate the + difference. */ + + heap = mem_heap_create(1024); + + update = row_upd_build_sec_rec_difference_binary( + cursor->index, entry, rec, thr_get_trx(thr), heap); + if (mode == BTR_MODIFY_LEAF) { + /* Try an optimistic updating of the record, keeping changes + within the page */ + + err = btr_cur_optimistic_update(BTR_KEEP_SYS_FLAG, cursor, + update, 0, thr, mtr); + switch (err) { + case DB_OVERFLOW: + case DB_UNDERFLOW: + case DB_ZIP_OVERFLOW: + err = DB_FAIL; + } + } else { + ut_a(mode == BTR_MODIFY_TREE); + if (buf_LRU_buf_pool_running_out()) { + + err = DB_LOCK_TABLE_FULL; + + goto func_exit; + } + + err = btr_cur_pessimistic_update(BTR_KEEP_SYS_FLAG, cursor, + &heap, &dummy_big_rec, update, + 0, thr, mtr); + ut_ad(!dummy_big_rec); + } +func_exit: + mem_heap_free(heap); + + return(err); +} + +/*******************************************************************//** +Does an insert operation by delete unmarking and updating a delete marked +existing record in the index. This situation can occur if the delete marked +record is kept in the index for consistent reads. +@return DB_SUCCESS, DB_FAIL, or error code */ +static +ulint +row_ins_clust_index_entry_by_modify( +/*================================*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + depending on whether mtr holds just a leaf + latch or also a tree latch */ + btr_cur_t* cursor, /*!< in: B-tree cursor */ + mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ + big_rec_t** big_rec,/*!< out: possible big rec vector of fields + which have to be stored externally by the + caller */ + const dtuple_t* entry, /*!< in: index entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; must be committed before + latching any further pages */ +{ + rec_t* rec; + upd_t* update; + ulint err; + + ut_ad(dict_index_is_clust(cursor->index)); + + *big_rec = NULL; + + rec = btr_cur_get_rec(cursor); + + ut_ad(rec_get_deleted_flag(rec, + dict_table_is_comp(cursor->index->table))); + + if (!*heap) { + *heap = mem_heap_create(1024); + } + + /* Build an update vector containing all the fields to be modified; + NOTE that this vector may NOT contain system columns trx_id or + roll_ptr */ + + update = row_upd_build_difference_binary(cursor->index, entry, rec, + thr_get_trx(thr), *heap); + if (mode == BTR_MODIFY_LEAF) { + /* Try optimistic updating of the record, keeping changes + within the page */ + + err = btr_cur_optimistic_update(0, cursor, update, 0, thr, + mtr); + switch (err) { + case DB_OVERFLOW: + case DB_UNDERFLOW: + case DB_ZIP_OVERFLOW: + err = DB_FAIL; + } + } else { + ut_a(mode == BTR_MODIFY_TREE); + if (buf_LRU_buf_pool_running_out()) { + + return(DB_LOCK_TABLE_FULL); + + } + err = btr_cur_pessimistic_update(0, cursor, + heap, big_rec, update, + 0, thr, mtr); + } + + return(err); +} + +/*********************************************************************//** +Returns TRUE if in a cascaded update/delete an ancestor node of node +updates (not DELETE, but UPDATE) table. +@return TRUE if an ancestor updates table */ +static +ibool +row_ins_cascade_ancestor_updates_table( +/*===================================*/ + que_node_t* node, /*!< in: node in a query graph */ + dict_table_t* table) /*!< in: table */ +{ + que_node_t* parent; + upd_node_t* upd_node; + + parent = que_node_get_parent(node); + + while (que_node_get_type(parent) == QUE_NODE_UPDATE) { + + upd_node = parent; + + if (upd_node->table == table && upd_node->is_delete == FALSE) { + + return(TRUE); + } + + parent = que_node_get_parent(parent); + + ut_a(parent); + } + + return(FALSE); +} + +/*********************************************************************//** +Returns the number of ancestor UPDATE or DELETE nodes of a +cascaded update/delete node. +@return number of ancestors */ +static +ulint +row_ins_cascade_n_ancestors( +/*========================*/ + que_node_t* node) /*!< in: node in a query graph */ +{ + que_node_t* parent; + ulint n_ancestors = 0; + + parent = que_node_get_parent(node); + + while (que_node_get_type(parent) == QUE_NODE_UPDATE) { + n_ancestors++; + + parent = que_node_get_parent(parent); + + ut_a(parent); + } + + return(n_ancestors); +} + +/******************************************************************//** +Calculates the update vector node->cascade->update for a child table in +a cascaded update. +@return number of fields in the calculated update vector; the value +can also be 0 if no foreign key fields changed; the returned value is +ULINT_UNDEFINED if the column type in the child table is too short to +fit the new value in the parent table: that means the update fails */ +static +ulint +row_ins_cascade_calc_update_vec( +/*============================*/ + upd_node_t* node, /*!< in: update node of the parent + table */ + dict_foreign_t* foreign, /*!< in: foreign key constraint whose + type is != 0 */ + mem_heap_t* heap) /*!< in: memory heap to use as + temporary storage */ +{ + upd_node_t* cascade = node->cascade_node; + dict_table_t* table = foreign->foreign_table; + dict_index_t* index = foreign->foreign_index; + upd_t* update; + upd_field_t* ufield; + dict_table_t* parent_table; + dict_index_t* parent_index; + upd_t* parent_update; + upd_field_t* parent_ufield; + ulint n_fields_updated; + ulint parent_field_no; + ulint i; + ulint j; + + ut_a(node); + ut_a(foreign); + ut_a(cascade); + ut_a(table); + ut_a(index); + + /* Calculate the appropriate update vector which will set the fields + in the child index record to the same value (possibly padded with + spaces if the column is a fixed length CHAR or FIXBINARY column) as + the referenced index record will get in the update. */ + + parent_table = node->table; + ut_a(parent_table == foreign->referenced_table); + parent_index = foreign->referenced_index; + parent_update = node->update; + + update = cascade->update; + + update->info_bits = 0; + update->n_fields = foreign->n_fields; + + n_fields_updated = 0; + + for (i = 0; i < foreign->n_fields; i++) { + + parent_field_no = dict_table_get_nth_col_pos( + parent_table, + dict_index_get_nth_col_no(parent_index, i)); + + for (j = 0; j < parent_update->n_fields; j++) { + parent_ufield = parent_update->fields + j; + + if (parent_ufield->field_no == parent_field_no) { + + ulint min_size; + const dict_col_t* col; + ulint ufield_len; + + col = dict_index_get_nth_col(index, i); + + /* A field in the parent index record is + updated. Let us make the update vector + field for the child table. */ + + ufield = update->fields + n_fields_updated; + + ufield->field_no + = dict_table_get_nth_col_pos( + table, dict_col_get_no(col)); + ufield->exp = NULL; + + ufield->new_val = parent_ufield->new_val; + ufield_len = dfield_get_len(&ufield->new_val); + + /* Clear the "external storage" flag */ + dfield_set_len(&ufield->new_val, ufield_len); + + /* Do not allow a NOT NULL column to be + updated as NULL */ + + if (dfield_is_null(&ufield->new_val) + && (col->prtype & DATA_NOT_NULL)) { + + return(ULINT_UNDEFINED); + } + + /* If the new value would not fit in the + column, do not allow the update */ + + if (!dfield_is_null(&ufield->new_val) + && dtype_get_at_most_n_mbchars( + col->prtype, + col->mbminlen, col->mbmaxlen, + col->len, + ufield_len, + dfield_get_data(&ufield->new_val)) + < ufield_len) { + + return(ULINT_UNDEFINED); + } + + /* If the parent column type has a different + length than the child column type, we may + need to pad with spaces the new value of the + child column */ + + min_size = dict_col_get_min_size(col); + + /* Because UNIV_SQL_NULL (the marker + of SQL NULL values) exceeds all possible + values of min_size, the test below will + not hold for SQL NULL columns. */ + + if (min_size > ufield_len) { + + char* pad_start; + const char* pad_end; + char* padded_data + = mem_heap_alloc( + heap, min_size); + pad_start = padded_data + ufield_len; + pad_end = padded_data + min_size; + + memcpy(padded_data, + dfield_get_data(&ufield + ->new_val), + dfield_get_len(&ufield + ->new_val)); + + switch (UNIV_EXPECT(col->mbminlen,1)) { + default: + ut_error; + return(ULINT_UNDEFINED); + case 1: + if (UNIV_UNLIKELY + (dtype_get_charset_coll( + col->prtype) + == DATA_MYSQL_BINARY_CHARSET_COLL)) { + /* Do not pad BINARY + columns. */ + return(ULINT_UNDEFINED); + } + + /* space=0x20 */ + memset(pad_start, 0x20, + pad_end - pad_start); + break; + case 2: + /* space=0x0020 */ + ut_a(!(ufield_len % 2)); + ut_a(!(min_size % 2)); + do { + *pad_start++ = 0x00; + *pad_start++ = 0x20; + } while (pad_start < pad_end); + break; + } + + dfield_set_data(&ufield->new_val, + padded_data, min_size); + } + + n_fields_updated++; + } + } + } + + update->n_fields = n_fields_updated; + + return(n_fields_updated); +} + +/*********************************************************************//** +Set detailed error message associated with foreign key errors for +the given transaction. */ +static +void +row_ins_set_detailed( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign) /*!< in: foreign key constraint */ +{ + mutex_enter(&srv_misc_tmpfile_mutex); + rewind(srv_misc_tmpfile); + + if (os_file_set_eof(srv_misc_tmpfile)) { + ut_print_name(srv_misc_tmpfile, trx, TRUE, + foreign->foreign_table_name); + dict_print_info_on_foreign_key_in_create_format( + srv_misc_tmpfile, trx, foreign, FALSE); + trx_set_detailed_error_from_file(trx, srv_misc_tmpfile); + } else { + trx_set_detailed_error(trx, "temp file operation failed"); + } + + mutex_exit(&srv_misc_tmpfile_mutex); +} + +/*********************************************************************//** +Reports a foreign key error associated with an update or a delete of a +parent table index entry. */ +static +void +row_ins_foreign_report_err( +/*=======================*/ + const char* errstr, /*!< in: error string from the viewpoint + of the parent table */ + que_thr_t* thr, /*!< in: query thread whose run_node + is an update node */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + const rec_t* rec, /*!< in: a matching index record in the + child table */ + const dtuple_t* entry) /*!< in: index entry in the parent + table */ +{ + FILE* ef = dict_foreign_err_file; + trx_t* trx = thr_get_trx(thr); + + row_ins_set_detailed(trx, foreign); + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Transaction:\n", ef); + trx_print(ef, trx, 600); + + fputs("Foreign key constraint fails for table ", ef); + ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); + fputs(":\n", ef); + dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign, + TRUE); + putc('\n', ef); + fputs(errstr, ef); + fputs(" in parent table, in index ", ef); + ut_print_name(ef, trx, FALSE, foreign->referenced_index->name); + if (entry) { + fputs(" tuple:\n", ef); + dtuple_print(ef, entry); + } + fputs("\nBut in child table ", ef); + ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); + fputs(", in index ", ef); + ut_print_name(ef, trx, FALSE, foreign->foreign_index->name); + if (rec) { + fputs(", there is a record:\n", ef); + rec_print(ef, rec, foreign->foreign_index); + } else { + fputs(", the record is not available\n", ef); + } + putc('\n', ef); + + mutex_exit(&dict_foreign_err_mutex); +} + +/*********************************************************************//** +Reports a foreign key error to dict_foreign_err_file when we are trying +to add an index entry to a child table. Note that the adding may be the result +of an update, too. */ +static +void +row_ins_foreign_report_add_err( +/*===========================*/ + trx_t* trx, /*!< in: transaction */ + dict_foreign_t* foreign, /*!< in: foreign key constraint */ + const rec_t* rec, /*!< in: a record in the parent table: + it does not match entry because we + have an error! */ + const dtuple_t* entry) /*!< in: index entry to insert in the + child table */ +{ + FILE* ef = dict_foreign_err_file; + + row_ins_set_detailed(trx, foreign); + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Transaction:\n", ef); + trx_print(ef, trx, 600); + fputs("Foreign key constraint fails for table ", ef); + ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); + fputs(":\n", ef); + dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign, + TRUE); + fputs("\nTrying to add in child table, in index ", ef); + ut_print_name(ef, trx, FALSE, foreign->foreign_index->name); + if (entry) { + fputs(" tuple:\n", ef); + /* TODO: DB_TRX_ID and DB_ROLL_PTR may be uninitialized. + It would be better to only display the user columns. */ + dtuple_print(ef, entry); + } + fputs("\nBut in parent table ", ef); + ut_print_name(ef, trx, TRUE, foreign->referenced_table_name); + fputs(", in index ", ef); + ut_print_name(ef, trx, FALSE, foreign->referenced_index->name); + fputs(",\nthe closest match we can find is record:\n", ef); + if (rec && page_rec_is_supremum(rec)) { + /* If the cursor ended on a supremum record, it is better + to report the previous record in the error message, so that + the user gets a more descriptive error message. */ + rec = page_rec_get_prev_const(rec); + } + + if (rec) { + rec_print(ef, rec, foreign->referenced_index); + } + putc('\n', ef); + + mutex_exit(&dict_foreign_err_mutex); +} + +/*********************************************************************//** +Invalidate the query cache for the given table. */ +static +void +row_ins_invalidate_query_cache( +/*===========================*/ + que_thr_t* thr, /*!< in: query thread whose run_node + is an update node */ + const char* name) /*!< in: table name prefixed with + database name and a '/' character */ +{ + char* buf; + char* ptr; + ulint len = strlen(name) + 1; + + buf = mem_strdupl(name, len); + + ptr = strchr(buf, '/'); + ut_a(ptr); + *ptr = '\0'; + + innobase_invalidate_query_cache(thr_get_trx(thr), buf, len); + mem_free(buf); +} + +/*********************************************************************//** +Perform referential actions or checks when a parent row is deleted or updated +and the constraint had an ON DELETE or ON UPDATE condition which was not +RESTRICT. +@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ +static +ulint +row_ins_foreign_check_on_constraint( +/*================================*/ + que_thr_t* thr, /*!< in: query thread whose run_node + is an update node */ + dict_foreign_t* foreign, /*!< in: foreign key constraint whose + type is != 0 */ + btr_pcur_t* pcur, /*!< in: cursor placed on a matching + index record in the child table */ + dtuple_t* entry, /*!< in: index entry in the parent + table */ + mtr_t* mtr) /*!< in: mtr holding the latch of pcur + page */ +{ + upd_node_t* node; + upd_node_t* cascade; + dict_table_t* table = foreign->foreign_table; + dict_index_t* index; + dict_index_t* clust_index; + dtuple_t* ref; + mem_heap_t* upd_vec_heap = NULL; + const rec_t* rec; + const rec_t* clust_rec; + const buf_block_t* clust_block; + upd_t* update; + ulint n_to_update; + ulint err; + ulint i; + trx_t* trx; + mem_heap_t* tmp_heap = NULL; + + ut_a(thr); + ut_a(foreign); + ut_a(pcur); + ut_a(mtr); + + trx = thr_get_trx(thr); + + /* Since we are going to delete or update a row, we have to invalidate + the MySQL query cache for table. A deadlock of threads is not possible + here because the caller of this function does not hold any latches with + the sync0sync.h rank above the kernel mutex. The query cache mutex has + a rank just above the kernel mutex. */ + + row_ins_invalidate_query_cache(thr, table->name); + + node = thr->run_node; + + if (node->is_delete && 0 == (foreign->type + & (DICT_FOREIGN_ON_DELETE_CASCADE + | DICT_FOREIGN_ON_DELETE_SET_NULL))) { + + row_ins_foreign_report_err("Trying to delete", + thr, foreign, + btr_pcur_get_rec(pcur), entry); + + return(DB_ROW_IS_REFERENCED); + } + + if (!node->is_delete && 0 == (foreign->type + & (DICT_FOREIGN_ON_UPDATE_CASCADE + | DICT_FOREIGN_ON_UPDATE_SET_NULL))) { + + /* This is an UPDATE */ + + row_ins_foreign_report_err("Trying to update", + thr, foreign, + btr_pcur_get_rec(pcur), entry); + + return(DB_ROW_IS_REFERENCED); + } + + if (node->cascade_node == NULL) { + /* Extend our query graph by creating a child to current + update node. The child is used in the cascade or set null + operation. */ + + node->cascade_heap = mem_heap_create(128); + node->cascade_node = row_create_update_node_for_mysql( + table, node->cascade_heap); + que_node_set_parent(node->cascade_node, node); + } + + /* Initialize cascade_node to do the operation we want. Note that we + use the SAME cascade node to do all foreign key operations of the + SQL DELETE: the table of the cascade node may change if there are + several child tables to the table where the delete is done! */ + + cascade = node->cascade_node; + + cascade->table = table; + + cascade->foreign = foreign; + + if (node->is_delete + && (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE)) { + cascade->is_delete = TRUE; + } else { + cascade->is_delete = FALSE; + + if (foreign->n_fields > cascade->update_n_fields) { + /* We have to make the update vector longer */ + + cascade->update = upd_create(foreign->n_fields, + node->cascade_heap); + cascade->update_n_fields = foreign->n_fields; + } + } + + /* We do not allow cyclic cascaded updating (DELETE is allowed, + but not UPDATE) of the same table, as this can lead to an infinite + cycle. Check that we are not updating the same table which is + already being modified in this cascade chain. We have to check + this also because the modification of the indexes of a 'parent' + table may still be incomplete, and we must avoid seeing the indexes + of the parent table in an inconsistent state! */ + + if (!cascade->is_delete + && row_ins_cascade_ancestor_updates_table(cascade, table)) { + + /* We do not know if this would break foreign key + constraints, but play safe and return an error */ + + err = DB_ROW_IS_REFERENCED; + + row_ins_foreign_report_err( + "Trying an update, possibly causing a cyclic" + " cascaded update\n" + "in the child table,", thr, foreign, + btr_pcur_get_rec(pcur), entry); + + goto nonstandard_exit_func; + } + + if (row_ins_cascade_n_ancestors(cascade) >= 15) { + err = DB_ROW_IS_REFERENCED; + + row_ins_foreign_report_err( + "Trying a too deep cascaded delete or update\n", + thr, foreign, btr_pcur_get_rec(pcur), entry); + + goto nonstandard_exit_func; + } + + index = btr_pcur_get_btr_cur(pcur)->index; + + ut_a(index == foreign->foreign_index); + + rec = btr_pcur_get_rec(pcur); + + if (dict_index_is_clust(index)) { + /* pcur is already positioned in the clustered index of + the child table */ + + clust_index = index; + clust_rec = rec; + clust_block = btr_pcur_get_block(pcur); + } else { + /* We have to look for the record in the clustered index + in the child table */ + + clust_index = dict_table_get_first_index(table); + + tmp_heap = mem_heap_create(256); + + ref = row_build_row_ref(ROW_COPY_POINTERS, index, rec, + tmp_heap); + btr_pcur_open_with_no_init(clust_index, ref, + PAGE_CUR_LE, BTR_SEARCH_LEAF, + cascade->pcur, 0, mtr); + + clust_rec = btr_pcur_get_rec(cascade->pcur); + clust_block = btr_pcur_get_block(cascade->pcur); + + if (!page_rec_is_user_rec(clust_rec) + || btr_pcur_get_low_match(cascade->pcur) + < dict_index_get_n_unique(clust_index)) { + + fputs("InnoDB: error in cascade of a foreign key op\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + + fputs("\n" + "InnoDB: record ", stderr); + rec_print(stderr, rec, index); + fputs("\n" + "InnoDB: clustered record ", stderr); + rec_print(stderr, clust_rec, clust_index); + fputs("\n" + "InnoDB: Submit a detailed bug report to" + " http://bugs.mysql.com\n", stderr); + + err = DB_SUCCESS; + + goto nonstandard_exit_func; + } + } + + /* Set an X-lock on the row to delete or update in the child table */ + + err = lock_table(0, table, LOCK_IX, thr); + + if (err == DB_SUCCESS) { + /* Here it suffices to use a LOCK_REC_NOT_GAP type lock; + we already have a normal shared lock on the appropriate + gap if the search criterion was not unique */ + + err = lock_clust_rec_read_check_and_lock_alt( + 0, clust_block, clust_rec, clust_index, + LOCK_X, LOCK_REC_NOT_GAP, thr); + } + + if (err != DB_SUCCESS) { + + goto nonstandard_exit_func; + } + + if (rec_get_deleted_flag(clust_rec, dict_table_is_comp(table))) { + /* This can happen if there is a circular reference of + rows such that cascading delete comes to delete a row + already in the process of being delete marked */ + err = DB_SUCCESS; + + goto nonstandard_exit_func; + } + + if ((node->is_delete + && (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL)) + || (!node->is_delete + && (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL))) { + + /* Build the appropriate update vector which sets + foreign->n_fields first fields in rec to SQL NULL */ + + update = cascade->update; + + update->info_bits = 0; + update->n_fields = foreign->n_fields; + + for (i = 0; i < foreign->n_fields; i++) { + upd_field_t* ufield = &update->fields[i]; + + ufield->field_no = dict_table_get_nth_col_pos( + table, + dict_index_get_nth_col_no(index, i)); + ufield->orig_len = 0; + ufield->exp = NULL; + dfield_set_null(&ufield->new_val); + } + } + + if (!node->is_delete + && (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE)) { + + /* Build the appropriate update vector which sets changing + foreign->n_fields first fields in rec to new values */ + + upd_vec_heap = mem_heap_create(256); + + n_to_update = row_ins_cascade_calc_update_vec(node, foreign, + upd_vec_heap); + if (n_to_update == ULINT_UNDEFINED) { + err = DB_ROW_IS_REFERENCED; + + row_ins_foreign_report_err( + "Trying a cascaded update where the" + " updated value in the child\n" + "table would not fit in the length" + " of the column, or the value would\n" + "be NULL and the column is" + " declared as not NULL in the child table,", + thr, foreign, btr_pcur_get_rec(pcur), entry); + + goto nonstandard_exit_func; + } + + if (cascade->update->n_fields == 0) { + + /* The update does not change any columns referred + to in this foreign key constraint: no need to do + anything */ + + err = DB_SUCCESS; + + goto nonstandard_exit_func; + } + } + + /* Store pcur position and initialize or store the cascade node + pcur stored position */ + + btr_pcur_store_position(pcur, mtr); + + if (index == clust_index) { + btr_pcur_copy_stored_position(cascade->pcur, pcur); + } else { + btr_pcur_store_position(cascade->pcur, mtr); + } + + mtr_commit(mtr); + + ut_a(cascade->pcur->rel_pos == BTR_PCUR_ON); + + cascade->state = UPD_NODE_UPDATE_CLUSTERED; + + err = row_update_cascade_for_mysql(thr, cascade, + foreign->foreign_table); + + if (foreign->foreign_table->n_foreign_key_checks_running == 0) { + fprintf(stderr, + "InnoDB: error: table %s has the counter 0" + " though there is\n" + "InnoDB: a FOREIGN KEY check running on it.\n", + foreign->foreign_table->name); + } + + /* Release the data dictionary latch for a while, so that we do not + starve other threads from doing CREATE TABLE etc. if we have a huge + cascaded operation running. The counter n_foreign_key_checks_running + will prevent other users from dropping or ALTERing the table when we + release the latch. */ + + row_mysql_unfreeze_data_dictionary(thr_get_trx(thr)); + row_mysql_freeze_data_dictionary(thr_get_trx(thr)); + + mtr_start(mtr); + + /* Restore pcur position */ + + btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr); + + if (tmp_heap) { + mem_heap_free(tmp_heap); + } + + if (upd_vec_heap) { + mem_heap_free(upd_vec_heap); + } + + return(err); + +nonstandard_exit_func: + if (tmp_heap) { + mem_heap_free(tmp_heap); + } + + if (upd_vec_heap) { + mem_heap_free(upd_vec_heap); + } + + btr_pcur_store_position(pcur, mtr); + + mtr_commit(mtr); + mtr_start(mtr); + + btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr); + + return(err); +} + +/*********************************************************************//** +Sets a shared lock on a record. Used in locking possible duplicate key +records and also in checking foreign key constraints. +@return DB_SUCCESS or error code */ +static +ulint +row_ins_set_shared_rec_lock( +/*========================*/ + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP type lock */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (dict_index_is_clust(index)) { + err = lock_clust_rec_read_check_and_lock( + 0, block, rec, index, offsets, LOCK_S, type, thr); + } else { + err = lock_sec_rec_read_check_and_lock( + 0, block, rec, index, offsets, LOCK_S, type, thr); + } + + return(err); +} + +/*********************************************************************//** +Sets a exclusive lock on a record. Used in locking possible duplicate key +records +@return DB_SUCCESS or error code */ +static +ulint +row_ins_set_exclusive_rec_lock( +/*===========================*/ + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOCK_REC_NOT_GAP type lock */ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (dict_index_is_clust(index)) { + err = lock_clust_rec_read_check_and_lock( + 0, block, rec, index, offsets, LOCK_X, type, thr); + } else { + err = lock_sec_rec_read_check_and_lock( + 0, block, rec, index, offsets, LOCK_X, type, thr); + } + + return(err); +} + +/***************************************************************//** +Checks if foreign key constraint fails for an index entry. Sets shared locks +which lock either the success or the failure of the constraint. NOTE that +the caller must have a shared latch on dict_operation_lock. +@return DB_SUCCESS, DB_NO_REFERENCED_ROW, or DB_ROW_IS_REFERENCED */ +UNIV_INTERN +ulint +row_ins_check_foreign_constraint( +/*=============================*/ + ibool check_ref,/*!< in: TRUE if we want to check that + the referenced table is ok, FALSE if we + want to check the foreign key table */ + dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the + tables mentioned in it must be in the + dictionary cache if they exist at all */ + dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign + table, else the referenced table */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr) /*!< in: query thread */ +{ + upd_node_t* upd_node; + dict_table_t* check_table; + dict_index_t* check_index; + ulint n_fields_cmp; + btr_pcur_t pcur; + ibool moved; + int cmp; + ulint err; + ulint i; + mtr_t mtr; + trx_t* trx = thr_get_trx(thr); + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + +run_again: +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + err = DB_SUCCESS; + + if (trx->check_foreigns == FALSE) { + /* The user has suppressed foreign key checks currently for + this session */ + goto exit_func; + } + + /* If any of the foreign key fields in entry is SQL NULL, we + suppress the foreign key check: this is compatible with Oracle, + for example */ + + for (i = 0; i < foreign->n_fields; i++) { + if (UNIV_SQL_NULL == dfield_get_len( + dtuple_get_nth_field(entry, i))) { + + goto exit_func; + } + } + + if (que_node_get_type(thr->run_node) == QUE_NODE_UPDATE) { + upd_node = thr->run_node; + + if (!(upd_node->is_delete) && upd_node->foreign == foreign) { + /* If a cascaded update is done as defined by a + foreign key constraint, do not check that + constraint for the child row. In ON UPDATE CASCADE + the update of the parent row is only half done when + we come here: if we would check the constraint here + for the child row it would fail. + + A QUESTION remains: if in the child table there are + several constraints which refer to the same parent + table, we should merge all updates to the child as + one update? And the updates can be contradictory! + Currently we just perform the update associated + with each foreign key constraint, one after + another, and the user has problems predicting in + which order they are performed. */ + + goto exit_func; + } + } + + if (check_ref) { + check_table = foreign->referenced_table; + check_index = foreign->referenced_index; + } else { + check_table = foreign->foreign_table; + check_index = foreign->foreign_index; + } + + if (check_table == NULL || check_table->ibd_file_missing) { + if (check_ref) { + FILE* ef = dict_foreign_err_file; + + row_ins_set_detailed(trx, foreign); + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + fputs(" Transaction:\n", ef); + trx_print(ef, trx, 600); + fputs("Foreign key constraint fails for table ", ef); + ut_print_name(ef, trx, TRUE, + foreign->foreign_table_name); + fputs(":\n", ef); + dict_print_info_on_foreign_key_in_create_format( + ef, trx, foreign, TRUE); + fputs("\nTrying to add to index ", ef); + ut_print_name(ef, trx, FALSE, + foreign->foreign_index->name); + fputs(" tuple:\n", ef); + dtuple_print(ef, entry); + fputs("\nBut the parent table ", ef); + ut_print_name(ef, trx, TRUE, + foreign->referenced_table_name); + fputs("\nor its .ibd file does" + " not currently exist!\n", ef); + mutex_exit(&dict_foreign_err_mutex); + + err = DB_NO_REFERENCED_ROW; + } + + goto exit_func; + } + + ut_a(check_table); + ut_a(check_index); + + if (check_table != table) { + /* We already have a LOCK_IX on table, but not necessarily + on check_table */ + + err = lock_table(0, check_table, LOCK_IS, thr); + + if (err != DB_SUCCESS) { + + goto do_possible_lock_wait; + } + } + + mtr_start(&mtr); + + /* Store old value on n_fields_cmp */ + + n_fields_cmp = dtuple_get_n_fields_cmp(entry); + + dtuple_set_n_fields_cmp(entry, foreign->n_fields); + + btr_pcur_open(check_index, entry, PAGE_CUR_GE, + BTR_SEARCH_LEAF, &pcur, &mtr); + + /* Scan index records and check if there is a matching record */ + + for (;;) { + const rec_t* rec = btr_pcur_get_rec(&pcur); + const buf_block_t* block = btr_pcur_get_block(&pcur); + + if (page_rec_is_infimum(rec)) { + + goto next_rec; + } + + offsets = rec_get_offsets(rec, check_index, + offsets, ULINT_UNDEFINED, &heap); + + if (page_rec_is_supremum(rec)) { + + err = row_ins_set_shared_rec_lock(LOCK_ORDINARY, block, + rec, check_index, + offsets, thr); + if (err != DB_SUCCESS) { + + break; + } + + goto next_rec; + } + + cmp = cmp_dtuple_rec(entry, rec, offsets); + + if (cmp == 0) { + if (rec_get_deleted_flag(rec, + rec_offs_comp(offsets))) { + err = row_ins_set_shared_rec_lock( + LOCK_ORDINARY, block, + rec, check_index, offsets, thr); + if (err != DB_SUCCESS) { + + break; + } + } else { + /* Found a matching record. Lock only + a record because we can allow inserts + into gaps */ + + err = row_ins_set_shared_rec_lock( + LOCK_REC_NOT_GAP, block, + rec, check_index, offsets, thr); + + if (err != DB_SUCCESS) { + + break; + } + + if (check_ref) { + err = DB_SUCCESS; + + break; + } else if (foreign->type != 0) { + /* There is an ON UPDATE or ON DELETE + condition: check them in a separate + function */ + + err = row_ins_foreign_check_on_constraint( + thr, foreign, &pcur, entry, + &mtr); + if (err != DB_SUCCESS) { + /* Since reporting a plain + "duplicate key" error + message to the user in + cases where a long CASCADE + operation would lead to a + duplicate key in some + other table is very + confusing, map duplicate + key errors resulting from + FK constraints to a + separate error code. */ + + if (err == DB_DUPLICATE_KEY) { + err = DB_FOREIGN_DUPLICATE_KEY; + } + + break; + } + + /* row_ins_foreign_check_on_constraint + may have repositioned pcur on a + different block */ + block = btr_pcur_get_block(&pcur); + } else { + row_ins_foreign_report_err( + "Trying to delete or update", + thr, foreign, rec, entry); + + err = DB_ROW_IS_REFERENCED; + break; + } + } + } + + if (cmp < 0) { + err = row_ins_set_shared_rec_lock( + LOCK_GAP, block, + rec, check_index, offsets, thr); + if (err != DB_SUCCESS) { + + break; + } + + if (check_ref) { + err = DB_NO_REFERENCED_ROW; + row_ins_foreign_report_add_err( + trx, foreign, rec, entry); + } else { + err = DB_SUCCESS; + } + + break; + } + + ut_a(cmp == 0); +next_rec: + moved = btr_pcur_move_to_next(&pcur, &mtr); + + if (!moved) { + if (check_ref) { + rec = btr_pcur_get_rec(&pcur); + row_ins_foreign_report_add_err( + trx, foreign, rec, entry); + err = DB_NO_REFERENCED_ROW; + } else { + err = DB_SUCCESS; + } + + break; + } + } + + btr_pcur_close(&pcur); + + mtr_commit(&mtr); + + /* Restore old value */ + dtuple_set_n_fields_cmp(entry, n_fields_cmp); + +do_possible_lock_wait: + if (err == DB_LOCK_WAIT) { + trx->error_state = err; + + que_thr_stop_for_mysql(thr); + + srv_suspend_mysql_thread(thr); + + if (trx->error_state == DB_SUCCESS) { + + goto run_again; + } + + err = trx->error_state; + } + +exit_func: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/***************************************************************//** +Checks if foreign key constraints fail for an index entry. If index +is not mentioned in any constraint, this function does nothing, +Otherwise does searches to the indexes of referenced tables and +sets shared locks which lock either the success or the failure of +a constraint. +@return DB_SUCCESS or error code */ +static +ulint +row_ins_check_foreign_constraints( +/*==============================*/ + dict_table_t* table, /*!< in: table */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry for index */ + que_thr_t* thr) /*!< in: query thread */ +{ + dict_foreign_t* foreign; + ulint err; + trx_t* trx; + ibool got_s_lock = FALSE; + + trx = thr_get_trx(thr); + + foreign = UT_LIST_GET_FIRST(table->foreign_list); + + while (foreign) { + if (foreign->foreign_index == index) { + + if (foreign->referenced_table == NULL) { + dict_table_get(foreign->referenced_table_name, + FALSE); + } + + if (0 == trx->dict_operation_lock_mode) { + got_s_lock = TRUE; + + row_mysql_freeze_data_dictionary(trx); + } + + if (foreign->referenced_table) { + mutex_enter(&(dict_sys->mutex)); + + (foreign->referenced_table + ->n_foreign_key_checks_running)++; + + mutex_exit(&(dict_sys->mutex)); + } + + /* NOTE that if the thread ends up waiting for a lock + we will release dict_operation_lock temporarily! + But the counter on the table protects the referenced + table from being dropped while the check is running. */ + + err = row_ins_check_foreign_constraint( + TRUE, foreign, table, entry, thr); + + if (foreign->referenced_table) { + mutex_enter(&(dict_sys->mutex)); + + ut_a(foreign->referenced_table + ->n_foreign_key_checks_running > 0); + (foreign->referenced_table + ->n_foreign_key_checks_running)--; + + mutex_exit(&(dict_sys->mutex)); + } + + if (got_s_lock) { + row_mysql_unfreeze_data_dictionary(trx); + } + + if (err != DB_SUCCESS) { + return(err); + } + } + + foreign = UT_LIST_GET_NEXT(foreign_list, foreign); + } + + return(DB_SUCCESS); +} + +/***************************************************************//** +Checks if a unique key violation to rec would occur at the index entry +insert. +@return TRUE if error */ +static +ibool +row_ins_dupl_error_with_rec( +/*========================*/ + const rec_t* rec, /*!< in: user record; NOTE that we assume + that the caller already has a record lock on + the record! */ + const dtuple_t* entry, /*!< in: entry to insert */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint matched_fields; + ulint matched_bytes; + ulint n_unique; + ulint i; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + n_unique = dict_index_get_n_unique(index); + + matched_fields = 0; + matched_bytes = 0; + + cmp_dtuple_rec_with_match(entry, rec, offsets, + &matched_fields, &matched_bytes); + + if (matched_fields < n_unique) { + + return(FALSE); + } + + /* In a unique secondary index we allow equal key values if they + contain SQL NULLs */ + + if (!dict_index_is_clust(index)) { + + for (i = 0; i < n_unique; i++) { + if (UNIV_SQL_NULL == dfield_get_len( + dtuple_get_nth_field(entry, i))) { + + return(FALSE); + } + } + } + + return(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); +} + +/***************************************************************//** +Scans a unique non-clustered index at a given index entry to determine +whether a uniqueness violation has occurred for the key value of the entry. +Set shared locks on possible duplicate records. +@return DB_SUCCESS, DB_DUPLICATE_KEY, or DB_LOCK_WAIT */ +static +ulint +row_ins_scan_sec_index_for_duplicate( +/*=================================*/ + dict_index_t* index, /*!< in: non-clustered unique index */ + dtuple_t* entry, /*!< in: index entry */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint n_unique; + ulint i; + int cmp; + ulint n_fields_cmp; + btr_pcur_t pcur; + ulint err = DB_SUCCESS; + unsigned allow_duplicates; + mtr_t mtr; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + n_unique = dict_index_get_n_unique(index); + + /* If the secondary index is unique, but one of the fields in the + n_unique first fields is NULL, a unique key violation cannot occur, + since we define NULL != NULL in this case */ + + for (i = 0; i < n_unique; i++) { + if (UNIV_SQL_NULL == dfield_get_len( + dtuple_get_nth_field(entry, i))) { + + return(DB_SUCCESS); + } + } + + mtr_start(&mtr); + + /* Store old value on n_fields_cmp */ + + n_fields_cmp = dtuple_get_n_fields_cmp(entry); + + dtuple_set_n_fields_cmp(entry, dict_index_get_n_unique(index)); + + btr_pcur_open(index, entry, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); + + allow_duplicates = thr_get_trx(thr)->duplicates & TRX_DUP_IGNORE; + + /* Scan index records and check if there is a duplicate */ + + do { + const rec_t* rec = btr_pcur_get_rec(&pcur); + const buf_block_t* block = btr_pcur_get_block(&pcur); + + if (page_rec_is_infimum(rec)) { + + continue; + } + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + if (allow_duplicates) { + + /* If the SQL-query will update or replace + duplicate key we will take X-lock for + duplicates ( REPLACE, LOAD DATAFILE REPLACE, + INSERT ON DUPLICATE KEY UPDATE). */ + + err = row_ins_set_exclusive_rec_lock( + LOCK_ORDINARY, block, + rec, index, offsets, thr); + } else { + + err = row_ins_set_shared_rec_lock( + LOCK_ORDINARY, block, + rec, index, offsets, thr); + } + + if (err != DB_SUCCESS) { + + break; + } + + if (page_rec_is_supremum(rec)) { + + continue; + } + + cmp = cmp_dtuple_rec(entry, rec, offsets); + + if (cmp == 0) { + if (row_ins_dupl_error_with_rec(rec, entry, + index, offsets)) { + err = DB_DUPLICATE_KEY; + + thr_get_trx(thr)->error_info = index; + + break; + } + } + + if (cmp < 0) { + break; + } + + ut_a(cmp == 0); + } while (btr_pcur_move_to_next(&pcur, &mtr)); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + mtr_commit(&mtr); + + /* Restore old value */ + dtuple_set_n_fields_cmp(entry, n_fields_cmp); + + return(err); +} + +/***************************************************************//** +Checks if a unique key violation error would occur at an index entry +insert. Sets shared locks on possible duplicate records. Works only +for a clustered index! +@return DB_SUCCESS if no error, DB_DUPLICATE_KEY if error, +DB_LOCK_WAIT if we have to wait for a lock on a possible duplicate +record */ +static +ulint +row_ins_duplicate_error_in_clust( +/*=============================*/ + btr_cur_t* cursor, /*!< in: B-tree cursor */ + dtuple_t* entry, /*!< in: entry to insert */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint err; + rec_t* rec; + ulint n_unique; + trx_t* trx = thr_get_trx(thr); + mem_heap_t*heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + UT_NOT_USED(mtr); + + ut_a(dict_index_is_clust(cursor->index)); + ut_ad(dict_index_is_unique(cursor->index)); + + /* NOTE: For unique non-clustered indexes there may be any number + of delete marked records with the same value for the non-clustered + index key (remember multiversioning), and which differ only in + the row refererence part of the index record, containing the + clustered index key fields. For such a secondary index record, + to avoid race condition, we must FIRST do the insertion and after + that check that the uniqueness condition is not breached! */ + + /* NOTE: A problem is that in the B-tree node pointers on an + upper level may match more to the entry than the actual existing + user records on the leaf level. So, even if low_match would suggest + that a duplicate key violation may occur, this may not be the case. */ + + n_unique = dict_index_get_n_unique(cursor->index); + + if (cursor->low_match >= n_unique) { + + rec = btr_cur_get_rec(cursor); + + if (!page_rec_is_infimum(rec)) { + offsets = rec_get_offsets(rec, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + + /* We set a lock on the possible duplicate: this + is needed in logical logging of MySQL to make + sure that in roll-forward we get the same duplicate + errors as in original execution */ + + if (trx->duplicates & TRX_DUP_IGNORE) { + + /* If the SQL-query will update or replace + duplicate key we will take X-lock for + duplicates ( REPLACE, LOAD DATAFILE REPLACE, + INSERT ON DUPLICATE KEY UPDATE). */ + + err = row_ins_set_exclusive_rec_lock( + LOCK_REC_NOT_GAP, + btr_cur_get_block(cursor), + rec, cursor->index, offsets, thr); + } else { + + err = row_ins_set_shared_rec_lock( + LOCK_REC_NOT_GAP, + btr_cur_get_block(cursor), rec, + cursor->index, offsets, thr); + } + + if (err != DB_SUCCESS) { + goto func_exit; + } + + if (row_ins_dupl_error_with_rec( + rec, entry, cursor->index, offsets)) { + trx->error_info = cursor->index; + err = DB_DUPLICATE_KEY; + goto func_exit; + } + } + } + + if (cursor->up_match >= n_unique) { + + rec = page_rec_get_next(btr_cur_get_rec(cursor)); + + if (!page_rec_is_supremum(rec)) { + offsets = rec_get_offsets(rec, cursor->index, offsets, + ULINT_UNDEFINED, &heap); + + if (trx->duplicates & TRX_DUP_IGNORE) { + + /* If the SQL-query will update or replace + duplicate key we will take X-lock for + duplicates ( REPLACE, LOAD DATAFILE REPLACE, + INSERT ON DUPLICATE KEY UPDATE). */ + + err = row_ins_set_exclusive_rec_lock( + LOCK_REC_NOT_GAP, + btr_cur_get_block(cursor), + rec, cursor->index, offsets, thr); + } else { + + err = row_ins_set_shared_rec_lock( + LOCK_REC_NOT_GAP, + btr_cur_get_block(cursor), + rec, cursor->index, offsets, thr); + } + + if (err != DB_SUCCESS) { + goto func_exit; + } + + if (row_ins_dupl_error_with_rec( + rec, entry, cursor->index, offsets)) { + trx->error_info = cursor->index; + err = DB_DUPLICATE_KEY; + goto func_exit; + } + } + + ut_a(!dict_index_is_clust(cursor->index)); + /* This should never happen */ + } + + err = DB_SUCCESS; +func_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/***************************************************************//** +Checks if an index entry has long enough common prefix with an existing +record so that the intended insert of the entry must be changed to a modify of +the existing record. In the case of a clustered index, the prefix must be +n_unique fields long, and in the case of a secondary index, all fields must be +equal. +@return 0 if no update, ROW_INS_PREV if previous should be updated; +currently we do the search so that only the low_match record can match +enough to the search tuple, not the next record */ +UNIV_INLINE +ulint +row_ins_must_modify( +/*================*/ + btr_cur_t* cursor) /*!< in: B-tree cursor */ +{ + ulint enough_match; + rec_t* rec; + + /* NOTE: (compare to the note in row_ins_duplicate_error) Because node + pointers on upper levels of the B-tree may match more to entry than + to actual user records on the leaf level, we have to check if the + candidate record is actually a user record. In a clustered index + node pointers contain index->n_unique first fields, and in the case + of a secondary index, all fields of the index. */ + + enough_match = dict_index_get_n_unique_in_tree(cursor->index); + + if (cursor->low_match >= enough_match) { + + rec = btr_cur_get_rec(cursor); + + if (!page_rec_is_infimum(rec)) { + + return(ROW_INS_PREV); + } + } + + return(0); +} + +/***************************************************************//** +Tries to insert an index entry to an index. If the index is clustered +and a record with the same unique key is found, the other record is +necessarily marked deleted by a committed transaction, or a unique key +violation error occurs. The delete marked record is then updated to an +existing record, and we must write an undo log record on the delete +marked record. If the index is secondary, and a record with exactly the +same fields is found, the other record is necessarily marked deleted. +It is then unmarked. Otherwise, the entry is just inserted to the index. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL if pessimistic retry needed, +or error code */ +static +ulint +row_ins_index_entry_low( +/*====================*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + depending on whether we wish optimistic or + pessimistic descent down the index tree */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + que_thr_t* thr) /*!< in: query thread */ +{ + btr_cur_t cursor; + ulint search_mode; + ulint modify = 0; /* remove warning */ + rec_t* insert_rec; + rec_t* rec; + ulint err; + ulint n_unique; + big_rec_t* big_rec = NULL; + mtr_t mtr; + mem_heap_t* heap = NULL; + + log_free_check(); + + mtr_start(&mtr); + + cursor.thr = thr; + + /* Note that we use PAGE_CUR_LE as the search mode, because then + the function will return in both low_match and up_match of the + cursor sensible values */ + + if (dict_index_is_clust(index)) { + search_mode = mode; + } else if (!(thr_get_trx(thr)->check_unique_secondary)) { + search_mode = mode | BTR_INSERT | BTR_IGNORE_SEC_UNIQUE; + } else { + search_mode = mode | BTR_INSERT; + } + + btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, + search_mode, + &cursor, 0, __FILE__, __LINE__, &mtr); + + if (cursor.flag == BTR_CUR_INSERT_TO_IBUF) { + /* The insertion was made to the insert buffer already during + the search: we are done */ + + ut_ad(search_mode & BTR_INSERT); + err = DB_SUCCESS; + + goto function_exit; + } + +#ifdef UNIV_DEBUG + { + page_t* page = btr_cur_get_page(&cursor); + rec_t* first_rec = page_rec_get_next( + page_get_infimum_rec(page)); + + ut_ad(page_rec_is_supremum(first_rec) + || rec_get_n_fields(first_rec, index) + == dtuple_get_n_fields(entry)); + } +#endif + + n_unique = dict_index_get_n_unique(index); + + if (dict_index_is_unique(index) && (cursor.up_match >= n_unique + || cursor.low_match >= n_unique)) { + + if (dict_index_is_clust(index)) { + /* Note that the following may return also + DB_LOCK_WAIT */ + + err = row_ins_duplicate_error_in_clust( + &cursor, entry, thr, &mtr); + if (err != DB_SUCCESS) { + + goto function_exit; + } + } else { + mtr_commit(&mtr); + err = row_ins_scan_sec_index_for_duplicate( + index, entry, thr); + mtr_start(&mtr); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + /* We did not find a duplicate and we have now + locked with s-locks the necessary records to + prevent any insertion of a duplicate by another + transaction. Let us now reposition the cursor and + continue the insertion. */ + + btr_cur_search_to_nth_level(index, 0, entry, + PAGE_CUR_LE, + mode | BTR_INSERT, + &cursor, 0, + __FILE__, __LINE__, &mtr); + } + } + + modify = row_ins_must_modify(&cursor); + + if (modify != 0) { + /* There is already an index entry with a long enough common + prefix, we must convert the insert into a modify of an + existing record */ + + if (modify == ROW_INS_NEXT) { + rec = page_rec_get_next(btr_cur_get_rec(&cursor)); + + btr_cur_position(index, rec, + btr_cur_get_block(&cursor),&cursor); + } + + if (dict_index_is_clust(index)) { + err = row_ins_clust_index_entry_by_modify( + mode, &cursor, &heap, &big_rec, entry, + thr, &mtr); + } else { + ut_ad(!n_ext); + err = row_ins_sec_index_entry_by_modify( + mode, &cursor, entry, thr, &mtr); + } + } else { + if (mode == BTR_MODIFY_LEAF) { + err = btr_cur_optimistic_insert( + 0, &cursor, entry, &insert_rec, &big_rec, + n_ext, thr, &mtr); + } else { + ut_a(mode == BTR_MODIFY_TREE); + if (buf_LRU_buf_pool_running_out()) { + + err = DB_LOCK_TABLE_FULL; + + goto function_exit; + } + err = btr_cur_pessimistic_insert( + 0, &cursor, entry, &insert_rec, &big_rec, + n_ext, thr, &mtr); + } + } + +function_exit: + mtr_commit(&mtr); + + if (UNIV_LIKELY_NULL(big_rec)) { + rec_t* rec; + ulint* offsets; + mtr_start(&mtr); + + btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, + BTR_MODIFY_TREE, &cursor, 0, + __FILE__, __LINE__, &mtr); + rec = btr_cur_get_rec(&cursor); + offsets = rec_get_offsets(rec, index, NULL, + ULINT_UNDEFINED, &heap); + + err = btr_store_big_rec_extern_fields( + index, btr_cur_get_block(&cursor), + rec, offsets, big_rec, &mtr); + + if (modify) { + dtuple_big_rec_free(big_rec); + } else { + dtuple_convert_back_big_rec(index, entry, big_rec); + } + + mtr_commit(&mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/***************************************************************//** +Inserts an index entry to index. Tries first optimistic, then pessimistic +descent down the tree. If the entry matches enough to a delete marked record, +performs the insert by updating or delete unmarking the delete marked +record. +@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ +UNIV_INTERN +ulint +row_ins_index_entry( +/*================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to insert */ + ulint n_ext, /*!< in: number of externally stored columns */ + ibool foreign,/*!< in: TRUE=check foreign key constraints */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + if (foreign && UT_LIST_GET_FIRST(index->table->foreign_list)) { + err = row_ins_check_foreign_constraints(index->table, index, + entry, thr); + if (err != DB_SUCCESS) { + + return(err); + } + } + + /* Try first optimistic descent to the B-tree */ + + err = row_ins_index_entry_low(BTR_MODIFY_LEAF, index, entry, + n_ext, thr); + if (err != DB_FAIL) { + + return(err); + } + + /* Try then pessimistic descent to the B-tree */ + + err = row_ins_index_entry_low(BTR_MODIFY_TREE, index, entry, + n_ext, thr); + return(err); +} + +/***********************************************************//** +Sets the values of the dtuple fields in entry from the values of appropriate +columns in row. */ +static +void +row_ins_index_entry_set_vals( +/*=========================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry to make */ + const dtuple_t* row) /*!< in: row */ +{ + ulint n_fields; + ulint i; + + ut_ad(entry && row); + + n_fields = dtuple_get_n_fields(entry); + + for (i = 0; i < n_fields; i++) { + dict_field_t* ind_field; + dfield_t* field; + const dfield_t* row_field; + ulint len; + + field = dtuple_get_nth_field(entry, i); + ind_field = dict_index_get_nth_field(index, i); + row_field = dtuple_get_nth_field(row, ind_field->col->ind); + len = dfield_get_len(row_field); + + /* Check column prefix indexes */ + if (ind_field->prefix_len > 0 + && dfield_get_len(row_field) != UNIV_SQL_NULL) { + + const dict_col_t* col + = dict_field_get_col(ind_field); + + len = dtype_get_at_most_n_mbchars( + col->prtype, col->mbminlen, col->mbmaxlen, + ind_field->prefix_len, + len, dfield_get_data(row_field)); + + ut_ad(!dfield_is_ext(row_field)); + } + + dfield_set_data(field, dfield_get_data(row_field), len); + if (dfield_is_ext(row_field)) { + ut_ad(dict_index_is_clust(index)); + dfield_set_ext(field); + } + } +} + +/***********************************************************//** +Inserts a single index entry to the table. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_ins_index_entry_step( +/*=====================*/ + ins_node_t* node, /*!< in: row insert node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(dtuple_check_typed(node->row)); + + row_ins_index_entry_set_vals(node->index, node->entry, node->row); + + ut_ad(dtuple_check_typed(node->entry)); + + err = row_ins_index_entry(node->index, node->entry, 0, TRUE, thr); + + return(err); +} + +/***********************************************************//** +Allocates a row id for row and inits the node->index field. */ +UNIV_INLINE +void +row_ins_alloc_row_id_step( +/*======================*/ + ins_node_t* node) /*!< in: row insert node */ +{ + dulint row_id; + + ut_ad(node->state == INS_NODE_ALLOC_ROW_ID); + + if (dict_index_is_unique(dict_table_get_first_index(node->table))) { + + /* No row id is stored if the clustered index is unique */ + + return; + } + + /* Fill in row id value to row */ + + row_id = dict_sys_get_new_row_id(); + + dict_sys_write_row_id(node->row_id_buf, row_id); +} + +/***********************************************************//** +Gets a row to insert from the values list. */ +UNIV_INLINE +void +row_ins_get_row_from_values( +/*========================*/ + ins_node_t* node) /*!< in: row insert node */ +{ + que_node_t* list_node; + dfield_t* dfield; + dtuple_t* row; + ulint i; + + /* The field values are copied in the buffers of the select node and + it is safe to use them until we fetch from select again: therefore + we can just copy the pointers */ + + row = node->row; + + i = 0; + list_node = node->values_list; + + while (list_node) { + eval_exp(list_node); + + dfield = dtuple_get_nth_field(row, i); + dfield_copy_data(dfield, que_node_get_val(list_node)); + + i++; + list_node = que_node_get_next(list_node); + } +} + +/***********************************************************//** +Gets a row to insert from the select list. */ +UNIV_INLINE +void +row_ins_get_row_from_select( +/*========================*/ + ins_node_t* node) /*!< in: row insert node */ +{ + que_node_t* list_node; + dfield_t* dfield; + dtuple_t* row; + ulint i; + + /* The field values are copied in the buffers of the select node and + it is safe to use them until we fetch from select again: therefore + we can just copy the pointers */ + + row = node->row; + + i = 0; + list_node = node->select->select_list; + + while (list_node) { + dfield = dtuple_get_nth_field(row, i); + dfield_copy_data(dfield, que_node_get_val(list_node)); + + i++; + list_node = que_node_get_next(list_node); + } +} + +/***********************************************************//** +Inserts a row to a table. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_ins( +/*====*/ + ins_node_t* node, /*!< in: row insert node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(node && thr); + + if (node->state == INS_NODE_ALLOC_ROW_ID) { + + row_ins_alloc_row_id_step(node); + + node->index = dict_table_get_first_index(node->table); + node->entry = UT_LIST_GET_FIRST(node->entry_list); + + if (node->ins_type == INS_SEARCHED) { + + row_ins_get_row_from_select(node); + + } else if (node->ins_type == INS_VALUES) { + + row_ins_get_row_from_values(node); + } + + node->state = INS_NODE_INSERT_ENTRIES; + } + + ut_ad(node->state == INS_NODE_INSERT_ENTRIES); + + while (node->index != NULL) { + err = row_ins_index_entry_step(node, thr); + + if (err != DB_SUCCESS) { + + return(err); + } + + node->index = dict_table_get_next_index(node->index); + node->entry = UT_LIST_GET_NEXT(tuple_list, node->entry); + } + + ut_ad(node->entry == NULL); + + node->state = INS_NODE_ALLOC_ROW_ID; + + return(DB_SUCCESS); +} + +/***********************************************************//** +Inserts a row to a table. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_ins_step( +/*=========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ins_node_t* node; + que_node_t* parent; + sel_node_t* sel_node; + trx_t* trx; + ulint err; + + ut_ad(thr); + + trx = thr_get_trx(thr); + + trx_start_if_not_started(trx); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_INSERT); + + parent = que_node_get_parent(node); + sel_node = node->select; + + if (thr->prev_node == parent) { + node->state = INS_NODE_SET_IX_LOCK; + } + + /* If this is the first time this node is executed (or when + execution resumes after wait for the table IX lock), set an + IX lock on the table and reset the possible select node. MySQL's + partitioned table code may also call an insert within the same + SQL statement AFTER it has used this table handle to do a search. + This happens, for example, when a row update moves it to another + partition. In that case, we have already set the IX lock on the + table during the search operation, and there is no need to set + it again here. But we must write trx->id to node->trx_id_buf. */ + + trx_write_trx_id(node->trx_id_buf, trx->id); + + if (node->state == INS_NODE_SET_IX_LOCK) { + + /* It may be that the current session has not yet started + its transaction, or it has been committed: */ + + if (UT_DULINT_EQ(trx->id, node->trx_id)) { + /* No need to do IX-locking */ + + goto same_trx; + } + + err = lock_table(0, node->table, LOCK_IX, thr); + + if (err != DB_SUCCESS) { + + goto error_handling; + } + + node->trx_id = trx->id; +same_trx: + node->state = INS_NODE_ALLOC_ROW_ID; + + if (node->ins_type == INS_SEARCHED) { + /* Reset the cursor */ + sel_node->state = SEL_NODE_OPEN; + + /* Fetch a row to insert */ + + thr->run_node = sel_node; + + return(thr); + } + } + + if ((node->ins_type == INS_SEARCHED) + && (sel_node->state != SEL_NODE_FETCH)) { + + ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); + + /* No more rows to insert */ + thr->run_node = parent; + + return(thr); + } + + /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ + + err = row_ins(node, thr); + +error_handling: + trx->error_state = err; + + if (err != DB_SUCCESS) { + /* err == DB_LOCK_WAIT or SQL error detected */ + return(NULL); + } + + /* DO THE TRIGGER ACTIONS HERE */ + + if (node->ins_type == INS_SEARCHED) { + /* Fetch a row to insert */ + + thr->run_node = sel_node; + } else { + thr->run_node = que_node_get_parent(node); + } + + return(thr); +} diff --git a/perfschema/row/row0merge.c b/perfschema/row/row0merge.c new file mode 100644 index 00000000000..fdfe689ec90 --- /dev/null +++ b/perfschema/row/row0merge.c @@ -0,0 +1,2603 @@ +/***************************************************************************** + +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0merge.c +New index creation routines using a merge sort + +Created 12/4/2005 Jan Lindstrom +Completed by Sunny Bains and Marko Makela +*******************************************************/ + +#include "row0merge.h" +#include "row0ext.h" +#include "row0row.h" +#include "row0upd.h" +#include "row0ins.h" +#include "row0sel.h" +#include "dict0dict.h" +#include "dict0mem.h" +#include "dict0boot.h" +#include "dict0crea.h" +#include "dict0load.h" +#include "btr0btr.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "trx0undo.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "que0que.h" +#include "rem0cmp.h" +#include "read0read.h" +#include "os0file.h" +#include "lock0lock.h" +#include "data0data.h" +#include "data0type.h" +#include "que0que.h" +#include "pars0pars.h" +#include "mem0mem.h" +#include "log0log.h" +#include "ut0sort.h" +#include "handler0alter.h" + +/* Ignore posix_fadvise() on those platforms where it does not exist */ +#if defined __WIN__ +# define posix_fadvise(fd, offset, len, advice) /* nothing */ +#endif /* __WIN__ */ + +#ifdef UNIV_DEBUG +/** Set these in order ot enable debug printout. */ +/* @{ */ +/** Log the outcome of each row_merge_cmp() call, comparing records. */ +static ibool row_merge_print_cmp; +/** Log each record read from temporary file. */ +static ibool row_merge_print_read; +/** Log each record write to temporary file. */ +static ibool row_merge_print_write; +/** Log each row_merge_blocks() call, merging two blocks of records to +a bigger one. */ +static ibool row_merge_print_block; +/** Log each block read from temporary file. */ +static ibool row_merge_print_block_read; +/** Log each block read from temporary file. */ +static ibool row_merge_print_block_write; +/* @} */ +#endif /* UNIV_DEBUG */ + +/** @brief Block size for I/O operations in merge sort. + +The minimum is UNIV_PAGE_SIZE, or page_get_free_space_of_empty() +rounded to a power of 2. + +When not creating a PRIMARY KEY that contains column prefixes, this +can be set as small as UNIV_PAGE_SIZE / 2. See the comment above +ut_ad(data_size < sizeof(row_merge_block_t)). */ +typedef byte row_merge_block_t[1048576]; + +/** @brief Secondary buffer for I/O operations of merge records. + +This buffer is used for writing or reading a record that spans two +row_merge_block_t. Thus, it must be able to hold one merge record, +whose maximum size is the same as the minimum size of +row_merge_block_t. */ +typedef byte mrec_buf_t[UNIV_PAGE_SIZE]; + +/** @brief Merge record in row_merge_block_t. + +The format is the same as a record in ROW_FORMAT=COMPACT with the +exception that the REC_N_NEW_EXTRA_BYTES are omitted. */ +typedef byte mrec_t; + +/** Buffer for sorting in main memory. */ +struct row_merge_buf_struct { + mem_heap_t* heap; /*!< memory heap where allocated */ + dict_index_t* index; /*!< the index the tuples belong to */ + ulint total_size; /*!< total amount of data bytes */ + ulint n_tuples; /*!< number of data tuples */ + ulint max_tuples; /*!< maximum number of data tuples */ + const dfield_t**tuples; /*!< array of pointers to + arrays of fields that form + the data tuples */ + const dfield_t**tmp_tuples; /*!< temporary copy of tuples, + for sorting */ +}; + +/** Buffer for sorting in main memory. */ +typedef struct row_merge_buf_struct row_merge_buf_t; + +/** Information about temporary files used in merge sort */ +struct merge_file_struct { + int fd; /*!< file descriptor */ + ulint offset; /*!< file offset (end of file) */ + ib_uint64_t n_rec; /*!< number of records in the file */ +}; + +/** Information about temporary files used in merge sort */ +typedef struct merge_file_struct merge_file_t; + +#ifdef UNIV_DEBUG +/******************************************************//** +Display a merge tuple. */ +static +void +row_merge_tuple_print( +/*==================*/ + FILE* f, /*!< in: output stream */ + const dfield_t* entry, /*!< in: tuple to print */ + ulint n_fields)/*!< in: number of fields in the tuple */ +{ + ulint j; + + for (j = 0; j < n_fields; j++) { + const dfield_t* field = &entry[j]; + + if (dfield_is_null(field)) { + fputs("\n NULL;", f); + } else { + ulint field_len = dfield_get_len(field); + ulint len = ut_min(field_len, 20); + if (dfield_is_ext(field)) { + fputs("\nE", f); + } else { + fputs("\n ", f); + } + ut_print_buf(f, dfield_get_data(field), len); + if (len != field_len) { + fprintf(f, " (total %lu bytes)", field_len); + } + } + } + putc('\n', f); +} +#endif /* UNIV_DEBUG */ + +/******************************************************//** +Allocate a sort buffer. +@return own: sort buffer */ +static +row_merge_buf_t* +row_merge_buf_create_low( +/*=====================*/ + mem_heap_t* heap, /*!< in: heap where allocated */ + dict_index_t* index, /*!< in: secondary index */ + ulint max_tuples, /*!< in: maximum number of data tuples */ + ulint buf_size) /*!< in: size of the buffer, in bytes */ +{ + row_merge_buf_t* buf; + + ut_ad(max_tuples > 0); + ut_ad(max_tuples <= sizeof(row_merge_block_t)); + ut_ad(max_tuples < buf_size); + + buf = mem_heap_zalloc(heap, buf_size); + buf->heap = heap; + buf->index = index; + buf->max_tuples = max_tuples; + buf->tuples = mem_heap_alloc(heap, + 2 * max_tuples * sizeof *buf->tuples); + buf->tmp_tuples = buf->tuples + max_tuples; + + return(buf); +} + +/******************************************************//** +Allocate a sort buffer. +@return own: sort buffer */ +static +row_merge_buf_t* +row_merge_buf_create( +/*=================*/ + dict_index_t* index) /*!< in: secondary index */ +{ + row_merge_buf_t* buf; + ulint max_tuples; + ulint buf_size; + mem_heap_t* heap; + + max_tuples = sizeof(row_merge_block_t) + / ut_max(1, dict_index_get_min_size(index)); + + buf_size = (sizeof *buf) + (max_tuples - 1) * sizeof *buf->tuples; + + heap = mem_heap_create(buf_size + sizeof(row_merge_block_t)); + + buf = row_merge_buf_create_low(heap, index, max_tuples, buf_size); + + return(buf); +} + +/******************************************************//** +Empty a sort buffer. +@return sort buffer */ +static +row_merge_buf_t* +row_merge_buf_empty( +/*================*/ + row_merge_buf_t* buf) /*!< in,own: sort buffer */ +{ + ulint buf_size; + ulint max_tuples = buf->max_tuples; + mem_heap_t* heap = buf->heap; + dict_index_t* index = buf->index; + + buf_size = (sizeof *buf) + (max_tuples - 1) * sizeof *buf->tuples; + + mem_heap_empty(heap); + + return(row_merge_buf_create_low(heap, index, max_tuples, buf_size)); +} + +/******************************************************//** +Deallocate a sort buffer. */ +static +void +row_merge_buf_free( +/*===============*/ + row_merge_buf_t* buf) /*!< in,own: sort buffer, to be freed */ +{ + mem_heap_free(buf->heap); +} + +/******************************************************//** +Insert a data tuple into a sort buffer. +@return TRUE if added, FALSE if out of space */ +static +ibool +row_merge_buf_add( +/*==============*/ + row_merge_buf_t* buf, /*!< in/out: sort buffer */ + const dtuple_t* row, /*!< in: row in clustered index */ + const row_ext_t* ext) /*!< in: cache of externally stored + column prefixes, or NULL */ +{ + ulint i; + ulint n_fields; + ulint data_size; + ulint extra_size; + const dict_index_t* index; + dfield_t* entry; + dfield_t* field; + + if (buf->n_tuples >= buf->max_tuples) { + return(FALSE); + } + + UNIV_PREFETCH_R(row->fields); + + index = buf->index; + + n_fields = dict_index_get_n_fields(index); + + entry = mem_heap_alloc(buf->heap, n_fields * sizeof *entry); + buf->tuples[buf->n_tuples] = entry; + field = entry; + + data_size = 0; + extra_size = UT_BITS_IN_BYTES(index->n_nullable); + + for (i = 0; i < n_fields; i++, field++) { + const dict_field_t* ifield; + const dict_col_t* col; + ulint col_no; + const dfield_t* row_field; + ulint len; + + ifield = dict_index_get_nth_field(index, i); + col = ifield->col; + col_no = dict_col_get_no(col); + row_field = dtuple_get_nth_field(row, col_no); + dfield_copy(field, row_field); + len = dfield_get_len(field); + + if (dfield_is_null(field)) { + ut_ad(!(col->prtype & DATA_NOT_NULL)); + continue; + } else if (UNIV_LIKELY(!ext)) { + } else if (dict_index_is_clust(index)) { + /* Flag externally stored fields. */ + const byte* buf = row_ext_lookup(ext, col_no, + &len); + if (UNIV_LIKELY_NULL(buf)) { + ut_a(buf != field_ref_zero); + if (i < dict_index_get_n_unique(index)) { + dfield_set_data(field, buf, len); + } else { + dfield_set_ext(field); + len = dfield_get_len(field); + } + } + } else { + const byte* buf = row_ext_lookup(ext, col_no, + &len); + if (UNIV_LIKELY_NULL(buf)) { + ut_a(buf != field_ref_zero); + dfield_set_data(field, buf, len); + } + } + + /* If a column prefix index, take only the prefix */ + + if (ifield->prefix_len) { + len = dtype_get_at_most_n_mbchars( + col->prtype, + col->mbminlen, col->mbmaxlen, + ifield->prefix_len, + len, dfield_get_data(field)); + dfield_set_len(field, len); + } + + ut_ad(len <= col->len || col->mtype == DATA_BLOB); + + if (ifield->fixed_len) { + ut_ad(len == ifield->fixed_len); + ut_ad(!dfield_is_ext(field)); + } else if (dfield_is_ext(field)) { + extra_size += 2; + } else if (len < 128 + || (col->len < 256 && col->mtype != DATA_BLOB)) { + extra_size++; + } else { + /* For variable-length columns, we look up the + maximum length from the column itself. If this + is a prefix index column shorter than 256 bytes, + this will waste one byte. */ + extra_size += 2; + } + data_size += len; + } + +#ifdef UNIV_DEBUG + { + ulint size; + ulint extra; + + size = rec_get_converted_size_comp(index, + REC_STATUS_ORDINARY, + entry, n_fields, &extra); + + ut_ad(data_size + extra_size + REC_N_NEW_EXTRA_BYTES == size); + ut_ad(extra_size + REC_N_NEW_EXTRA_BYTES == extra); + } +#endif /* UNIV_DEBUG */ + + /* Add to the total size of the record in row_merge_block_t + the encoded length of extra_size and the extra bytes (extra_size). + See row_merge_buf_write() for the variable-length encoding + of extra_size. */ + data_size += (extra_size + 1) + ((extra_size + 1) >= 0x80); + + /* The following assertion may fail if row_merge_block_t is + declared very small and a PRIMARY KEY is being created with + many prefix columns. In that case, the record may exceed the + page_zip_rec_needs_ext() limit. However, no further columns + will be moved to external storage until the record is inserted + to the clustered index B-tree. */ + ut_ad(data_size < sizeof(row_merge_block_t)); + + /* Reserve one byte for the end marker of row_merge_block_t. */ + if (buf->total_size + data_size >= sizeof(row_merge_block_t) - 1) { + return(FALSE); + } + + buf->total_size += data_size; + buf->n_tuples++; + + field = entry; + + /* Copy the data fields. */ + + do { + dfield_dup(field++, buf->heap); + } while (--n_fields); + + return(TRUE); +} + +/** Structure for reporting duplicate records. */ +struct row_merge_dup_struct { + const dict_index_t* index; /*!< index being sorted */ + struct TABLE* table; /*!< MySQL table object */ + ulint n_dup; /*!< number of duplicates */ +}; + +/** Structure for reporting duplicate records. */ +typedef struct row_merge_dup_struct row_merge_dup_t; + +/*************************************************************//** +Report a duplicate key. */ +static +void +row_merge_dup_report( +/*=================*/ + row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ + const dfield_t* entry) /*!< in: duplicate index entry */ +{ + mrec_buf_t* buf; + const dtuple_t* tuple; + dtuple_t tuple_store; + const rec_t* rec; + const dict_index_t* index = dup->index; + ulint n_fields= dict_index_get_n_fields(index); + mem_heap_t* heap; + ulint* offsets; + ulint n_ext; + + if (dup->n_dup++) { + /* Only report the first duplicate record, + but count all duplicate records. */ + return; + } + + /* Convert the tuple to a record and then to MySQL format. */ + heap = mem_heap_create((1 + REC_OFFS_HEADER_SIZE + n_fields) + * sizeof *offsets + + sizeof *buf); + + buf = mem_heap_alloc(heap, sizeof *buf); + + tuple = dtuple_from_fields(&tuple_store, entry, n_fields); + n_ext = dict_index_is_clust(index) ? dtuple_get_n_ext(tuple) : 0; + + rec = rec_convert_dtuple_to_rec(*buf, index, tuple, n_ext); + offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); + + innobase_rec_to_mysql(dup->table, rec, index, offsets); + + mem_heap_free(heap); +} + +/*************************************************************//** +Compare two tuples. +@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ +static +int +row_merge_tuple_cmp( +/*================*/ + ulint n_field,/*!< in: number of fields */ + const dfield_t* a, /*!< in: first tuple to be compared */ + const dfield_t* b, /*!< in: second tuple to be compared */ + row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ +{ + int cmp; + const dfield_t* field = a; + + /* Compare the fields of the tuples until a difference is + found or we run out of fields to compare. If !cmp at the + end, the tuples are equal. */ + do { + cmp = cmp_dfield_dfield(a++, b++); + } while (!cmp && --n_field); + + if (UNIV_UNLIKELY(!cmp) && UNIV_LIKELY_NULL(dup)) { + /* Report a duplicate value error if the tuples are + logically equal. NULL columns are logically inequal, + although they are equal in the sorting order. Find + out if any of the fields are NULL. */ + for (b = field; b != a; b++) { + if (dfield_is_null(b)) { + + goto func_exit; + } + } + + row_merge_dup_report(dup, field); + } + +func_exit: + return(cmp); +} + +/** Wrapper for row_merge_tuple_sort() to inject some more context to +UT_SORT_FUNCTION_BODY(). +@param a array of tuples that being sorted +@param b aux (work area), same size as tuples[] +@param c lower bound of the sorting area, inclusive +@param d upper bound of the sorting area, inclusive */ +#define row_merge_tuple_sort_ctx(a,b,c,d) \ + row_merge_tuple_sort(n_field, dup, a, b, c, d) +/** Wrapper for row_merge_tuple_cmp() to inject some more context to +UT_SORT_FUNCTION_BODY(). +@param a first tuple to be compared +@param b second tuple to be compared +@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ +#define row_merge_tuple_cmp_ctx(a,b) row_merge_tuple_cmp(n_field, a, b, dup) + +/**********************************************************************//** +Merge sort the tuple buffer in main memory. */ +static +void +row_merge_tuple_sort( +/*=================*/ + ulint n_field,/*!< in: number of fields */ + row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ + const dfield_t** tuples, /*!< in/out: tuples */ + const dfield_t** aux, /*!< in/out: work area */ + ulint low, /*!< in: lower bound of the + sorting area, inclusive */ + ulint high) /*!< in: upper bound of the + sorting area, exclusive */ +{ + UT_SORT_FUNCTION_BODY(row_merge_tuple_sort_ctx, + tuples, aux, low, high, row_merge_tuple_cmp_ctx); +} + +/******************************************************//** +Sort a buffer. */ +static +void +row_merge_buf_sort( +/*===============*/ + row_merge_buf_t* buf, /*!< in/out: sort buffer */ + row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ +{ + row_merge_tuple_sort(dict_index_get_n_unique(buf->index), dup, + buf->tuples, buf->tmp_tuples, 0, buf->n_tuples); +} + +/******************************************************//** +Write a buffer to a block. */ +static +void +row_merge_buf_write( +/*================*/ + const row_merge_buf_t* buf, /*!< in: sorted buffer */ +#ifdef UNIV_DEBUG + const merge_file_t* of, /*!< in: output file */ +#endif /* UNIV_DEBUG */ + row_merge_block_t* block) /*!< out: buffer for writing to file */ +#ifndef UNIV_DEBUG +# define row_merge_buf_write(buf, of, block) row_merge_buf_write(buf, block) +#endif /* !UNIV_DEBUG */ +{ + const dict_index_t* index = buf->index; + ulint n_fields= dict_index_get_n_fields(index); + byte* b = &(*block)[0]; + + ulint i; + + for (i = 0; i < buf->n_tuples; i++) { + ulint size; + ulint extra_size; + const dfield_t* entry = buf->tuples[i]; + + size = rec_get_converted_size_comp(index, + REC_STATUS_ORDINARY, + entry, n_fields, + &extra_size); + ut_ad(size > extra_size); + ut_ad(extra_size >= REC_N_NEW_EXTRA_BYTES); + extra_size -= REC_N_NEW_EXTRA_BYTES; + size -= REC_N_NEW_EXTRA_BYTES; + + /* Encode extra_size + 1 */ + if (extra_size + 1 < 0x80) { + *b++ = (byte) (extra_size + 1); + } else { + ut_ad((extra_size + 1) < 0x8000); + *b++ = (byte) (0x80 | ((extra_size + 1) >> 8)); + *b++ = (byte) (extra_size + 1); + } + + ut_ad(b + size < block[1]); + + rec_convert_dtuple_to_rec_comp(b + extra_size, 0, index, + REC_STATUS_ORDINARY, + entry, n_fields); + + b += size; + +#ifdef UNIV_DEBUG + if (row_merge_print_write) { + fprintf(stderr, "row_merge_buf_write %p,%d,%lu %lu", + (void*) b, of->fd, (ulong) of->offset, + (ulong) i); + row_merge_tuple_print(stderr, entry, n_fields); + } +#endif /* UNIV_DEBUG */ + } + + /* Write an "end-of-chunk" marker. */ + ut_a(b < block[1]); + ut_a(b == block[0] + buf->total_size); + *b++ = 0; +#ifdef UNIV_DEBUG_VALGRIND + /* The rest of the block is uninitialized. Initialize it + to avoid bogus warnings. */ + memset(b, 0xff, block[1] - b); +#endif /* UNIV_DEBUG_VALGRIND */ +#ifdef UNIV_DEBUG + if (row_merge_print_write) { + fprintf(stderr, "row_merge_buf_write %p,%d,%lu EOF\n", + (void*) b, of->fd, (ulong) of->offset); + } +#endif /* UNIV_DEBUG */ +} + +/******************************************************//** +Create a memory heap and allocate space for row_merge_rec_offsets() +and mrec_buf_t[3]. +@return memory heap */ +static +mem_heap_t* +row_merge_heap_create( +/*==================*/ + const dict_index_t* index, /*!< in: record descriptor */ + mrec_buf_t** buf, /*!< out: 3 buffers */ + ulint** offsets1, /*!< out: offsets */ + ulint** offsets2) /*!< out: offsets */ +{ + ulint i = 1 + REC_OFFS_HEADER_SIZE + + dict_index_get_n_fields(index); + mem_heap_t* heap = mem_heap_create(2 * i * sizeof **offsets1 + + 3 * sizeof **buf); + + *buf = mem_heap_alloc(heap, 3 * sizeof **buf); + *offsets1 = mem_heap_alloc(heap, i * sizeof **offsets1); + *offsets2 = mem_heap_alloc(heap, i * sizeof **offsets2); + + (*offsets1)[0] = (*offsets2)[0] = i; + (*offsets1)[1] = (*offsets2)[1] = dict_index_get_n_fields(index); + + return(heap); +} + +/**********************************************************************//** +Search an index object by name and column names. If several indexes match, +return the index with the max id. +@return matching index, NULL if not found */ +static +dict_index_t* +row_merge_dict_table_get_index( +/*===========================*/ + dict_table_t* table, /*!< in: table */ + const merge_index_def_t*index_def) /*!< in: index definition */ +{ + ulint i; + dict_index_t* index; + const char** column_names; + + column_names = mem_alloc(index_def->n_fields * sizeof *column_names); + + for (i = 0; i < index_def->n_fields; ++i) { + column_names[i] = index_def->fields[i].field_name; + } + + index = dict_table_get_index_by_max_id( + table, index_def->name, column_names, index_def->n_fields); + + mem_free((void*) column_names); + + return(index); +} + +/********************************************************************//** +Read a merge block from the file system. +@return TRUE if request was successful, FALSE if fail */ +static +ibool +row_merge_read( +/*===========*/ + int fd, /*!< in: file descriptor */ + ulint offset, /*!< in: offset where to read */ + row_merge_block_t* buf) /*!< out: data */ +{ + ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof *buf; + ibool success; + +#ifdef UNIV_DEBUG + if (row_merge_print_block_read) { + fprintf(stderr, "row_merge_read fd=%d ofs=%lu\n", + fd, (ulong) offset); + } +#endif /* UNIV_DEBUG */ + + success = os_file_read_no_error_handling(OS_FILE_FROM_FD(fd), buf, + (ulint) (ofs & 0xFFFFFFFF), + (ulint) (ofs >> 32), + sizeof *buf); +#ifdef POSIX_FADV_DONTNEED + /* Each block is read exactly once. Free up the file cache. */ + posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); +#endif /* POSIX_FADV_DONTNEED */ + + if (UNIV_UNLIKELY(!success)) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: failed to read merge block at %llu\n", ofs); + } + + return(UNIV_LIKELY(success)); +} + +/********************************************************************//** +Read a merge block from the file system. +@return TRUE if request was successful, FALSE if fail */ +static +ibool +row_merge_write( +/*============*/ + int fd, /*!< in: file descriptor */ + ulint offset, /*!< in: offset where to write */ + const void* buf) /*!< in: data */ +{ + ib_uint64_t ofs = ((ib_uint64_t) offset) + * sizeof(row_merge_block_t); + +#ifdef UNIV_DEBUG + if (row_merge_print_block_write) { + fprintf(stderr, "row_merge_write fd=%d ofs=%lu\n", + fd, (ulong) offset); + } +#endif /* UNIV_DEBUG */ + +#ifdef POSIX_FADV_DONTNEED + /* The block will be needed on the next merge pass, + but it can be evicted from the file cache meanwhile. */ + posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); +#endif /* POSIX_FADV_DONTNEED */ + + return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, + (ulint) (ofs & 0xFFFFFFFF), + (ulint) (ofs >> 32), + sizeof(row_merge_block_t)))); +} + +/********************************************************************//** +Read a merge record. +@return pointer to next record, or NULL on I/O error or end of list */ +static __attribute__((nonnull)) +const byte* +row_merge_read_rec( +/*===============*/ + row_merge_block_t* block, /*!< in/out: file buffer */ + mrec_buf_t* buf, /*!< in/out: secondary buffer */ + const byte* b, /*!< in: pointer to record */ + const dict_index_t* index, /*!< in: index of the record */ + int fd, /*!< in: file descriptor */ + ulint* foffs, /*!< in/out: file offset */ + const mrec_t** mrec, /*!< out: pointer to merge record, + or NULL on end of list + (non-NULL on I/O error) */ + ulint* offsets)/*!< out: offsets of mrec */ +{ + ulint extra_size; + ulint data_size; + ulint avail_size; + + ut_ad(block); + ut_ad(buf); + ut_ad(b >= block[0]); + ut_ad(b < block[1]); + ut_ad(index); + ut_ad(foffs); + ut_ad(mrec); + ut_ad(offsets); + + ut_ad(*offsets == 1 + REC_OFFS_HEADER_SIZE + + dict_index_get_n_fields(index)); + + extra_size = *b++; + + if (UNIV_UNLIKELY(!extra_size)) { + /* End of list */ + *mrec = NULL; +#ifdef UNIV_DEBUG + if (row_merge_print_read) { + fprintf(stderr, "row_merge_read %p,%p,%d,%lu EOF\n", + (const void*) b, (const void*) block, + fd, (ulong) *foffs); + } +#endif /* UNIV_DEBUG */ + return(NULL); + } + + if (extra_size >= 0x80) { + /* Read another byte of extra_size. */ + + if (UNIV_UNLIKELY(b >= block[1])) { + if (!row_merge_read(fd, ++(*foffs), block)) { +err_exit: + /* Signal I/O error. */ + *mrec = b; + return(NULL); + } + + /* Wrap around to the beginning of the buffer. */ + b = block[0]; + } + + extra_size = (extra_size & 0x7f) << 8; + extra_size |= *b++; + } + + /* Normalize extra_size. Above, value 0 signals "end of list". */ + extra_size--; + + /* Read the extra bytes. */ + + if (UNIV_UNLIKELY(b + extra_size >= block[1])) { + /* The record spans two blocks. Copy the entire record + to the auxiliary buffer and handle this as a special + case. */ + + avail_size = block[1] - b; + + memcpy(*buf, b, avail_size); + + if (!row_merge_read(fd, ++(*foffs), block)) { + + goto err_exit; + } + + /* Wrap around to the beginning of the buffer. */ + b = block[0]; + + /* Copy the record. */ + memcpy(*buf + avail_size, b, extra_size - avail_size); + b += extra_size - avail_size; + + *mrec = *buf + extra_size; + + rec_init_offsets_comp_ordinary(*mrec, 0, index, offsets); + + data_size = rec_offs_data_size(offsets); + + /* These overflows should be impossible given that + records are much smaller than either buffer, and + the record starts near the beginning of each buffer. */ + ut_a(extra_size + data_size < sizeof *buf); + ut_a(b + data_size < block[1]); + + /* Copy the data bytes. */ + memcpy(*buf + extra_size, b, data_size); + b += data_size; + + goto func_exit; + } + + *mrec = b + extra_size; + + rec_init_offsets_comp_ordinary(*mrec, 0, index, offsets); + + data_size = rec_offs_data_size(offsets); + ut_ad(extra_size + data_size < sizeof *buf); + + b += extra_size + data_size; + + if (UNIV_LIKELY(b < block[1])) { + /* The record fits entirely in the block. + This is the normal case. */ + goto func_exit; + } + + /* The record spans two blocks. Copy it to buf. */ + + b -= extra_size + data_size; + avail_size = block[1] - b; + memcpy(*buf, b, avail_size); + *mrec = *buf + extra_size; +#ifdef UNIV_DEBUG + /* We cannot invoke rec_offs_make_valid() here, because there + are no REC_N_NEW_EXTRA_BYTES between extra_size and data_size. + Similarly, rec_offs_validate() would fail, because it invokes + rec_get_status(). */ + offsets[2] = (ulint) *mrec; + offsets[3] = (ulint) index; +#endif /* UNIV_DEBUG */ + + if (!row_merge_read(fd, ++(*foffs), block)) { + + goto err_exit; + } + + /* Wrap around to the beginning of the buffer. */ + b = block[0]; + + /* Copy the rest of the record. */ + memcpy(*buf + avail_size, b, extra_size + data_size - avail_size); + b += extra_size + data_size - avail_size; + +func_exit: +#ifdef UNIV_DEBUG + if (row_merge_print_read) { + fprintf(stderr, "row_merge_read %p,%p,%d,%lu ", + (const void*) b, (const void*) block, + fd, (ulong) *foffs); + rec_print_comp(stderr, *mrec, offsets); + putc('\n', stderr); + } +#endif /* UNIV_DEBUG */ + + return(b); +} + +/********************************************************************//** +Write a merge record. */ +static +void +row_merge_write_rec_low( +/*====================*/ + byte* b, /*!< out: buffer */ + ulint e, /*!< in: encoded extra_size */ +#ifdef UNIV_DEBUG + ulint size, /*!< in: total size to write */ + int fd, /*!< in: file descriptor */ + ulint foffs, /*!< in: file offset */ +#endif /* UNIV_DEBUG */ + const mrec_t* mrec, /*!< in: record to write */ + const ulint* offsets)/*!< in: offsets of mrec */ +#ifndef UNIV_DEBUG +# define row_merge_write_rec_low(b, e, size, fd, foffs, mrec, offsets) \ + row_merge_write_rec_low(b, e, mrec, offsets) +#endif /* !UNIV_DEBUG */ +{ +#ifdef UNIV_DEBUG + const byte* const end = b + size; + ut_ad(e == rec_offs_extra_size(offsets) + 1); + + if (row_merge_print_write) { + fprintf(stderr, "row_merge_write %p,%d,%lu ", + (void*) b, fd, (ulong) foffs); + rec_print_comp(stderr, mrec, offsets); + putc('\n', stderr); + } +#endif /* UNIV_DEBUG */ + + if (e < 0x80) { + *b++ = (byte) e; + } else { + *b++ = (byte) (0x80 | (e >> 8)); + *b++ = (byte) e; + } + + memcpy(b, mrec - rec_offs_extra_size(offsets), rec_offs_size(offsets)); + ut_ad(b + rec_offs_size(offsets) == end); +} + +/********************************************************************//** +Write a merge record. +@return pointer to end of block, or NULL on error */ +static +byte* +row_merge_write_rec( +/*================*/ + row_merge_block_t* block, /*!< in/out: file buffer */ + mrec_buf_t* buf, /*!< in/out: secondary buffer */ + byte* b, /*!< in: pointer to end of block */ + int fd, /*!< in: file descriptor */ + ulint* foffs, /*!< in/out: file offset */ + const mrec_t* mrec, /*!< in: record to write */ + const ulint* offsets)/*!< in: offsets of mrec */ +{ + ulint extra_size; + ulint size; + ulint avail_size; + + ut_ad(block); + ut_ad(buf); + ut_ad(b >= block[0]); + ut_ad(b < block[1]); + ut_ad(mrec); + ut_ad(foffs); + ut_ad(mrec < block[0] || mrec > block[1]); + ut_ad(mrec < buf[0] || mrec > buf[1]); + + /* Normalize extra_size. Value 0 signals "end of list". */ + extra_size = rec_offs_extra_size(offsets) + 1; + + size = extra_size + (extra_size >= 0x80) + + rec_offs_data_size(offsets); + + if (UNIV_UNLIKELY(b + size >= block[1])) { + /* The record spans two blocks. + Copy it to the temporary buffer first. */ + avail_size = block[1] - b; + + row_merge_write_rec_low(buf[0], + extra_size, size, fd, *foffs, + mrec, offsets); + + /* Copy the head of the temporary buffer, write + the completed block, and copy the tail of the + record to the head of the new block. */ + memcpy(b, buf[0], avail_size); + + if (!row_merge_write(fd, (*foffs)++, block)) { + return(NULL); + } + + UNIV_MEM_INVALID(block[0], sizeof block[0]); + + /* Copy the rest. */ + b = block[0]; + memcpy(b, buf[0] + avail_size, size - avail_size); + b += size - avail_size; + } else { + row_merge_write_rec_low(b, extra_size, size, fd, *foffs, + mrec, offsets); + b += size; + } + + return(b); +} + +/********************************************************************//** +Write an end-of-list marker. +@return pointer to end of block, or NULL on error */ +static +byte* +row_merge_write_eof( +/*================*/ + row_merge_block_t* block, /*!< in/out: file buffer */ + byte* b, /*!< in: pointer to end of block */ + int fd, /*!< in: file descriptor */ + ulint* foffs) /*!< in/out: file offset */ +{ + ut_ad(block); + ut_ad(b >= block[0]); + ut_ad(b < block[1]); + ut_ad(foffs); +#ifdef UNIV_DEBUG + if (row_merge_print_write) { + fprintf(stderr, "row_merge_write %p,%p,%d,%lu EOF\n", + (void*) b, (void*) block, fd, (ulong) *foffs); + } +#endif /* UNIV_DEBUG */ + + *b++ = 0; + UNIV_MEM_ASSERT_RW(block[0], b - block[0]); + UNIV_MEM_ASSERT_W(block[0], sizeof block[0]); +#ifdef UNIV_DEBUG_VALGRIND + /* The rest of the block is uninitialized. Initialize it + to avoid bogus warnings. */ + memset(b, 0xff, block[1] - b); +#endif /* UNIV_DEBUG_VALGRIND */ + + if (!row_merge_write(fd, (*foffs)++, block)) { + return(NULL); + } + + UNIV_MEM_INVALID(block[0], sizeof block[0]); + return(block[0]); +} + +/*************************************************************//** +Compare two merge records. +@return 1, 0, -1 if mrec1 is greater, equal, less, respectively, than mrec2 */ +static +int +row_merge_cmp( +/*==========*/ + const mrec_t* mrec1, /*!< in: first merge + record to be compared */ + const mrec_t* mrec2, /*!< in: second merge + record to be compared */ + const ulint* offsets1, /*!< in: first record offsets */ + const ulint* offsets2, /*!< in: second record offsets */ + const dict_index_t* index) /*!< in: index */ +{ + int cmp; + + cmp = cmp_rec_rec_simple(mrec1, mrec2, offsets1, offsets2, index); + +#ifdef UNIV_DEBUG + if (row_merge_print_cmp) { + fputs("row_merge_cmp1 ", stderr); + rec_print_comp(stderr, mrec1, offsets1); + fputs("\nrow_merge_cmp2 ", stderr); + rec_print_comp(stderr, mrec2, offsets2); + fprintf(stderr, "\nrow_merge_cmp=%d\n", cmp); + } +#endif /* UNIV_DEBUG */ + + return(cmp); +} + +/********************************************************************//** +Reads clustered index of the table and create temporary files +containing the index entries for the indexes to be built. +@return DB_SUCCESS or error */ +static __attribute__((nonnull)) +ulint +row_merge_read_clustered_index( +/*===========================*/ + trx_t* trx, /*!< in: transaction */ + struct TABLE* table, /*!< in/out: MySQL table object, + for reporting erroneous records */ + const dict_table_t* old_table,/*!< in: table where rows are + read from */ + const dict_table_t* new_table,/*!< in: table where indexes are + created; identical to old_table + unless creating a PRIMARY KEY */ + dict_index_t** index, /*!< in: indexes to be created */ + merge_file_t* files, /*!< in: temporary files */ + ulint n_index,/*!< in: number of indexes to create */ + row_merge_block_t* block) /*!< in/out: file buffer */ +{ + dict_index_t* clust_index; /* Clustered index */ + mem_heap_t* row_heap; /* Heap memory to create + clustered index records */ + row_merge_buf_t** merge_buf; /* Temporary list for records*/ + btr_pcur_t pcur; /* Persistent cursor on the + clustered index */ + mtr_t mtr; /* Mini transaction */ + ulint err = DB_SUCCESS;/* Return code */ + ulint i; + ulint n_nonnull = 0; /* number of columns + changed to NOT NULL */ + ulint* nonnull = NULL; /* NOT NULL columns */ + + trx->op_info = "reading clustered index"; + + ut_ad(trx); + ut_ad(old_table); + ut_ad(new_table); + ut_ad(index); + ut_ad(files); + + /* Create and initialize memory for record buffers */ + + merge_buf = mem_alloc(n_index * sizeof *merge_buf); + + for (i = 0; i < n_index; i++) { + merge_buf[i] = row_merge_buf_create(index[i]); + } + + mtr_start(&mtr); + + /* Find the clustered index and create a persistent cursor + based on that. */ + + clust_index = dict_table_get_first_index(old_table); + + btr_pcur_open_at_index_side( + TRUE, clust_index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + if (UNIV_UNLIKELY(old_table != new_table)) { + ulint n_cols = dict_table_get_n_cols(old_table); + + /* A primary key will be created. Identify the + columns that were flagged NOT NULL in the new table, + so that we can quickly check that the records in the + (old) clustered index do not violate the added NOT + NULL constraints. */ + + ut_a(n_cols == dict_table_get_n_cols(new_table)); + + nonnull = mem_alloc(n_cols * sizeof *nonnull); + + for (i = 0; i < n_cols; i++) { + if (dict_table_get_nth_col(old_table, i)->prtype + & DATA_NOT_NULL) { + + continue; + } + + if (dict_table_get_nth_col(new_table, i)->prtype + & DATA_NOT_NULL) { + + nonnull[n_nonnull++] = i; + } + } + + if (!n_nonnull) { + mem_free(nonnull); + nonnull = NULL; + } + } + + row_heap = mem_heap_create(sizeof(mrec_buf_t)); + + /* Scan the clustered index. */ + for (;;) { + const rec_t* rec; + ulint* offsets; + dtuple_t* row = NULL; + row_ext_t* ext; + ibool has_next = TRUE; + + btr_pcur_move_to_next_on_page(&pcur); + + /* When switching pages, commit the mini-transaction + in order to release the latch on the old page. */ + + if (btr_pcur_is_after_last_on_page(&pcur)) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + i = 0; + err = DB_INTERRUPTED; + goto err_exit; + } + + btr_pcur_store_position(&pcur, &mtr); + mtr_commit(&mtr); + mtr_start(&mtr); + btr_pcur_restore_position(BTR_SEARCH_LEAF, + &pcur, &mtr); + has_next = btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + + if (UNIV_LIKELY(has_next)) { + rec = btr_pcur_get_rec(&pcur); + offsets = rec_get_offsets(rec, clust_index, NULL, + ULINT_UNDEFINED, &row_heap); + + /* Skip delete marked records. */ + if (rec_get_deleted_flag( + rec, dict_table_is_comp(old_table))) { + continue; + } + + srv_n_rows_inserted++; + + /* Build a row based on the clustered index. */ + + row = row_build(ROW_COPY_POINTERS, clust_index, + rec, offsets, + new_table, &ext, row_heap); + + if (UNIV_LIKELY_NULL(nonnull)) { + for (i = 0; i < n_nonnull; i++) { + dfield_t* field + = &row->fields[nonnull[i]]; + dtype_t* field_type + = dfield_get_type(field); + + ut_a(!(field_type->prtype + & DATA_NOT_NULL)); + + if (dfield_is_null(field)) { + err = DB_PRIMARY_KEY_IS_NULL; + i = 0; + goto err_exit; + } + + field_type->prtype |= DATA_NOT_NULL; + } + } + } + + /* Build all entries for all the indexes to be created + in a single scan of the clustered index. */ + + for (i = 0; i < n_index; i++) { + row_merge_buf_t* buf = merge_buf[i]; + merge_file_t* file = &files[i]; + const dict_index_t* index = buf->index; + + if (UNIV_LIKELY + (row && row_merge_buf_add(buf, row, ext))) { + file->n_rec++; + continue; + } + + /* The buffer must be sufficiently large + to hold at least one record. */ + ut_ad(buf->n_tuples || !has_next); + + /* We have enough data tuples to form a block. + Sort them and write to disk. */ + + if (buf->n_tuples) { + if (dict_index_is_unique(index)) { + row_merge_dup_t dup; + dup.index = buf->index; + dup.table = table; + dup.n_dup = 0; + + row_merge_buf_sort(buf, &dup); + + if (dup.n_dup) { + err = DB_DUPLICATE_KEY; +err_exit: + trx->error_key_num = i; + goto func_exit; + } + } else { + row_merge_buf_sort(buf, NULL); + } + } + + row_merge_buf_write(buf, file, block); + + if (!row_merge_write(file->fd, file->offset++, + block)) { + err = DB_OUT_OF_FILE_SPACE; + goto err_exit; + } + + UNIV_MEM_INVALID(block[0], sizeof block[0]); + merge_buf[i] = row_merge_buf_empty(buf); + + if (UNIV_LIKELY(row != NULL)) { + /* Try writing the record again, now + that the buffer has been written out + and emptied. */ + + if (UNIV_UNLIKELY + (!row_merge_buf_add(buf, row, ext))) { + /* An empty buffer should have enough + room for at least one record. */ + ut_error; + } + + file->n_rec++; + } + } + + mem_heap_empty(row_heap); + + if (UNIV_UNLIKELY(!has_next)) { + goto func_exit; + } + } + +func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(row_heap); + + if (UNIV_LIKELY_NULL(nonnull)) { + mem_free(nonnull); + } + + for (i = 0; i < n_index; i++) { + row_merge_buf_free(merge_buf[i]); + } + + mem_free(merge_buf); + + trx->op_info = ""; + + return(err); +} + +/** Write a record via buffer 2 and read the next record to buffer N. +@param N number of the buffer (0 or 1) +@param AT_END statement to execute at end of input */ +#define ROW_MERGE_WRITE_GET_NEXT(N, AT_END) \ + do { \ + b2 = row_merge_write_rec(&block[2], &buf[2], b2, \ + of->fd, &of->offset, \ + mrec##N, offsets##N); \ + if (UNIV_UNLIKELY(!b2 || ++of->n_rec > file->n_rec)) { \ + goto corrupt; \ + } \ + b##N = row_merge_read_rec(&block[N], &buf[N], \ + b##N, index, \ + file->fd, foffs##N, \ + &mrec##N, offsets##N); \ + if (UNIV_UNLIKELY(!b##N)) { \ + if (mrec##N) { \ + goto corrupt; \ + } \ + AT_END; \ + } \ + } while (0) + +/*************************************************************//** +Merge two blocks of records on disk and write a bigger block. +@return DB_SUCCESS or error code */ +static +ulint +row_merge_blocks( +/*=============*/ + const dict_index_t* index, /*!< in: index being created */ + const merge_file_t* file, /*!< in: file containing + index entries */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + ulint* foffs0, /*!< in/out: offset of first + source list in the file */ + ulint* foffs1, /*!< in/out: offset of second + source list in the file */ + merge_file_t* of, /*!< in/out: output file */ + struct TABLE* table) /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +{ + mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ + + mrec_buf_t* buf; /*!< buffer for handling + split mrec in block[] */ + const byte* b0; /*!< pointer to block[0] */ + const byte* b1; /*!< pointer to block[1] */ + byte* b2; /*!< pointer to block[2] */ + const mrec_t* mrec0; /*!< merge rec, points to block[0] or buf[0] */ + const mrec_t* mrec1; /*!< merge rec, points to block[1] or buf[1] */ + ulint* offsets0;/* offsets of mrec0 */ + ulint* offsets1;/* offsets of mrec1 */ + +#ifdef UNIV_DEBUG + if (row_merge_print_block) { + fprintf(stderr, + "row_merge_blocks fd=%d ofs=%lu + fd=%d ofs=%lu" + " = fd=%d ofs=%lu\n", + file->fd, (ulong) *foffs0, + file->fd, (ulong) *foffs1, + of->fd, (ulong) of->offset); + } +#endif /* UNIV_DEBUG */ + + heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); + + /* Write a record and read the next record. Split the output + file in two halves, which can be merged on the following pass. */ + + if (!row_merge_read(file->fd, *foffs0, &block[0]) + || !row_merge_read(file->fd, *foffs1, &block[1])) { +corrupt: + mem_heap_free(heap); + return(DB_CORRUPTION); + } + + b0 = block[0]; + b1 = block[1]; + b2 = block[2]; + + b0 = row_merge_read_rec(&block[0], &buf[0], b0, index, file->fd, + foffs0, &mrec0, offsets0); + b1 = row_merge_read_rec(&block[1], &buf[1], b1, index, file->fd, + foffs1, &mrec1, offsets1); + if (UNIV_UNLIKELY(!b0 && mrec0) + || UNIV_UNLIKELY(!b1 && mrec1)) { + + goto corrupt; + } + + while (mrec0 && mrec1) { + switch (row_merge_cmp(mrec0, mrec1, + offsets0, offsets1, index)) { + case 0: + if (UNIV_UNLIKELY + (dict_index_is_unique(index))) { + innobase_rec_to_mysql(table, mrec0, + index, offsets0); + mem_heap_free(heap); + return(DB_DUPLICATE_KEY); + } + /* fall through */ + case -1: + ROW_MERGE_WRITE_GET_NEXT(0, goto merged); + break; + case 1: + ROW_MERGE_WRITE_GET_NEXT(1, goto merged); + break; + default: + ut_error; + } + + } + +merged: + if (mrec0) { + /* append all mrec0 to output */ + for (;;) { + ROW_MERGE_WRITE_GET_NEXT(0, goto done0); + } + } +done0: + if (mrec1) { + /* append all mrec1 to output */ + for (;;) { + ROW_MERGE_WRITE_GET_NEXT(1, goto done1); + } + } +done1: + + mem_heap_free(heap); + b2 = row_merge_write_eof(&block[2], b2, of->fd, &of->offset); + return(b2 ? DB_SUCCESS : DB_CORRUPTION); +} + +/*************************************************************//** +Copy a block of index entries. +@return TRUE on success, FALSE on failure */ +static __attribute__((nonnull)) +ibool +row_merge_blocks_copy( +/*==================*/ + const dict_index_t* index, /*!< in: index being created */ + const merge_file_t* file, /*!< in: input file */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + ulint* foffs0, /*!< in/out: input file offset */ + merge_file_t* of) /*!< in/out: output file */ +{ + mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ + + mrec_buf_t* buf; /*!< buffer for handling + split mrec in block[] */ + const byte* b0; /*!< pointer to block[0] */ + byte* b2; /*!< pointer to block[2] */ + const mrec_t* mrec0; /*!< merge rec, points to block[0] */ + ulint* offsets0;/* offsets of mrec0 */ + ulint* offsets1;/* dummy offsets */ + +#ifdef UNIV_DEBUG + if (row_merge_print_block) { + fprintf(stderr, + "row_merge_blocks_copy fd=%d ofs=%lu" + " = fd=%d ofs=%lu\n", + file->fd, (ulong) foffs0, + of->fd, (ulong) of->offset); + } +#endif /* UNIV_DEBUG */ + + heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); + + /* Write a record and read the next record. Split the output + file in two halves, which can be merged on the following pass. */ + + if (!row_merge_read(file->fd, *foffs0, &block[0])) { +corrupt: + mem_heap_free(heap); + return(FALSE); + } + + b0 = block[0]; + b2 = block[2]; + + b0 = row_merge_read_rec(&block[0], &buf[0], b0, index, file->fd, + foffs0, &mrec0, offsets0); + if (UNIV_UNLIKELY(!b0 && mrec0)) { + + goto corrupt; + } + + if (mrec0) { + /* append all mrec0 to output */ + for (;;) { + ROW_MERGE_WRITE_GET_NEXT(0, goto done0); + } + } +done0: + + /* The file offset points to the beginning of the last page + that has been read. Update it to point to the next block. */ + (*foffs0)++; + + mem_heap_free(heap); + return(row_merge_write_eof(&block[2], b2, of->fd, &of->offset) + != NULL); +} + +/*************************************************************//** +Merge disk files. +@return DB_SUCCESS or error code */ +static __attribute__((nonnull)) +ulint +row_merge( +/*======*/ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing + index entries */ + ulint* half, /*!< in/out: half the file */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + int* tmpfd, /*!< in/out: temporary file handle */ + struct TABLE* table) /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +{ + ulint foffs0; /*!< first input offset */ + ulint foffs1; /*!< second input offset */ + ulint error; /*!< error code */ + merge_file_t of; /*!< output file */ + const ulint ihalf = *half; + /*!< half the input file */ + ulint ohalf; /*!< half the output file */ + + UNIV_MEM_ASSERT_W(block[0], 3 * sizeof block[0]); + ut_ad(ihalf < file->offset); + + of.fd = *tmpfd; + of.offset = 0; + of.n_rec = 0; + +#ifdef POSIX_FADV_SEQUENTIAL + /* The input file will be read sequentially, starting from the + beginning and the middle. In Linux, the POSIX_FADV_SEQUENTIAL + affects the entire file. Each block will be read exactly once. */ + posix_fadvise(file->fd, 0, 0, + POSIX_FADV_SEQUENTIAL | POSIX_FADV_NOREUSE); +#endif /* POSIX_FADV_SEQUENTIAL */ + + /* Merge blocks to the output file. */ + ohalf = 0; + foffs0 = 0; + foffs1 = ihalf; + + for (; foffs0 < ihalf && foffs1 < file->offset; foffs0++, foffs1++) { + ulint ahalf; /*!< arithmetic half the input file */ + + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + + error = row_merge_blocks(index, file, block, + &foffs0, &foffs1, &of, table); + + if (error != DB_SUCCESS) { + return(error); + } + + /* Record the offset of the output file when + approximately half the output has been generated. In + this way, the next invocation of row_merge() will + spend most of the time in this loop. The initial + estimate is ohalf==0. */ + ahalf = file->offset / 2; + ut_ad(ohalf <= of.offset); + + /* Improve the estimate until reaching half the input + file size, or we can not get any closer to it. All + comparands should be non-negative when !(ohalf < ahalf) + because ohalf <= of.offset. */ + if (ohalf < ahalf || of.offset - ahalf < ohalf - ahalf) { + ohalf = of.offset; + } + } + + /* Copy the last blocks, if there are any. */ + + while (foffs0 < ihalf) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + + if (!row_merge_blocks_copy(index, file, block, &foffs0, &of)) { + return(DB_CORRUPTION); + } + } + + ut_ad(foffs0 == ihalf); + + while (foffs1 < file->offset) { + if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { + return(DB_INTERRUPTED); + } + + if (!row_merge_blocks_copy(index, file, block, &foffs1, &of)) { + return(DB_CORRUPTION); + } + } + + ut_ad(foffs1 == file->offset); + + if (UNIV_UNLIKELY(of.n_rec != file->n_rec)) { + return(DB_CORRUPTION); + } + + /* Swap file descriptors for the next pass. */ + *tmpfd = file->fd; + *file = of; + *half = ohalf; + + UNIV_MEM_INVALID(block[0], 3 * sizeof block[0]); + + return(DB_SUCCESS); +} + +/*************************************************************//** +Merge disk files. +@return DB_SUCCESS or error code */ +static +ulint +row_merge_sort( +/*===========*/ + trx_t* trx, /*!< in: transaction */ + const dict_index_t* index, /*!< in: index being created */ + merge_file_t* file, /*!< in/out: file containing + index entries */ + row_merge_block_t* block, /*!< in/out: 3 buffers */ + int* tmpfd, /*!< in/out: temporary file handle */ + struct TABLE* table) /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +{ + ulint half = file->offset / 2; + + /* The file should always contain at least one byte (the end + of file marker). Thus, it must be at least one block. */ + ut_ad(file->offset > 0); + + do { + ulint error; + + error = row_merge(trx, index, file, &half, + block, tmpfd, table); + + if (error != DB_SUCCESS) { + return(error); + } + + /* half > 0 should hold except when the file consists + of one block. No need to merge further then. */ + ut_ad(half > 0 || file->offset == 1); + } while (half < file->offset && half > 0); + + return(DB_SUCCESS); +} + +/*************************************************************//** +Copy externally stored columns to the data tuple. */ +static +void +row_merge_copy_blobs( +/*=================*/ + const mrec_t* mrec, /*!< in: merge record */ + const ulint* offsets,/*!< in: offsets of mrec */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + dtuple_t* tuple, /*!< in/out: data tuple */ + mem_heap_t* heap) /*!< in/out: memory heap */ +{ + ulint i; + ulint n_fields = dtuple_get_n_fields(tuple); + + for (i = 0; i < n_fields; i++) { + ulint len; + const void* data; + dfield_t* field = dtuple_get_nth_field(tuple, i); + + if (!dfield_is_ext(field)) { + continue; + } + + ut_ad(!dfield_is_null(field)); + + /* The table is locked during index creation. + Therefore, externally stored columns cannot possibly + be freed between the time the BLOB pointers are read + (row_merge_read_clustered_index()) and dereferenced + (below). */ + data = btr_rec_copy_externally_stored_field( + mrec, offsets, zip_size, i, &len, heap); + + dfield_set_data(field, data, len); + } +} + +/********************************************************************//** +Read sorted file containing index data tuples and insert these data +tuples to the index +@return DB_SUCCESS or error number */ +static +ulint +row_merge_insert_index_tuples( +/*==========================*/ + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: index */ + dict_table_t* table, /*!< in: new table */ + ulint zip_size,/*!< in: compressed page size of + the old table, or 0 if uncompressed */ + int fd, /*!< in: file descriptor */ + row_merge_block_t* block) /*!< in/out: file buffer */ +{ + const byte* b; + que_thr_t* thr; + ins_node_t* node; + mem_heap_t* tuple_heap; + mem_heap_t* graph_heap; + ulint error = DB_SUCCESS; + ulint foffs = 0; + ulint* offsets; + + ut_ad(trx); + ut_ad(index); + ut_ad(table); + + /* We use the insert query graph as the dummy graph + needed in the row module call */ + + trx->op_info = "inserting index entries"; + + graph_heap = mem_heap_create(500 + sizeof(mrec_buf_t)); + node = ins_node_create(INS_DIRECT, table, graph_heap); + + thr = pars_complete_graph_for_exec(node, trx, graph_heap); + + que_thr_move_to_run_state_for_mysql(thr, trx); + + tuple_heap = mem_heap_create(1000); + + { + ulint i = 1 + REC_OFFS_HEADER_SIZE + + dict_index_get_n_fields(index); + offsets = mem_heap_alloc(graph_heap, i * sizeof *offsets); + offsets[0] = i; + offsets[1] = dict_index_get_n_fields(index); + } + + b = *block; + + if (!row_merge_read(fd, foffs, block)) { + error = DB_CORRUPTION; + } else { + mrec_buf_t* buf = mem_heap_alloc(graph_heap, sizeof *buf); + + for (;;) { + const mrec_t* mrec; + dtuple_t* dtuple; + ulint n_ext; + + b = row_merge_read_rec(block, buf, b, index, + fd, &foffs, &mrec, offsets); + if (UNIV_UNLIKELY(!b)) { + /* End of list, or I/O error */ + if (mrec) { + error = DB_CORRUPTION; + } + break; + } + + dtuple = row_rec_to_index_entry_low( + mrec, index, offsets, &n_ext, tuple_heap); + + if (UNIV_UNLIKELY(n_ext)) { + row_merge_copy_blobs(mrec, offsets, zip_size, + dtuple, tuple_heap); + } + + node->row = dtuple; + node->table = table; + node->trx_id = trx->id; + + ut_ad(dtuple_validate(dtuple)); + + do { + thr->run_node = thr; + thr->prev_node = thr->common.parent; + + error = row_ins_index_entry(index, dtuple, + 0, FALSE, thr); + + if (UNIV_LIKELY(error == DB_SUCCESS)) { + + goto next_rec; + } + + thr->lock_state = QUE_THR_LOCK_ROW; + trx->error_state = error; + que_thr_stop_for_mysql(thr); + thr->lock_state = QUE_THR_LOCK_NOLOCK; + } while (row_mysql_handle_errors(&error, trx, + thr, NULL)); + + goto err_exit; +next_rec: + mem_heap_empty(tuple_heap); + } + } + + que_thr_stop_for_mysql_no_error(thr, trx); +err_exit: + que_graph_free(thr->graph); + + trx->op_info = ""; + + mem_heap_free(tuple_heap); + + return(error); +} + +/*********************************************************************//** +Sets an exclusive lock on a table, for the duration of creating indexes. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_merge_lock_table( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table, /*!< in: table to lock */ + enum lock_mode mode) /*!< in: LOCK_X or LOCK_S */ +{ + mem_heap_t* heap; + que_thr_t* thr; + ulint err; + sel_node_t* node; + + ut_ad(trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + ut_ad(mode == LOCK_X || mode == LOCK_S); + + heap = mem_heap_create(512); + + trx->op_info = "setting table lock for creating or dropping index"; + + node = sel_node_create(heap); + thr = pars_complete_graph_for_exec(node, trx, heap); + thr->graph->state = QUE_FORK_ACTIVE; + + /* We use the select query graph as the dummy graph needed + in the lock module call */ + + thr = que_fork_get_first_thr(que_node_get_parent(thr)); + que_thr_move_to_run_state_for_mysql(thr, trx); + +run_again: + thr->run_node = thr; + thr->prev_node = thr->common.parent; + + err = lock_table(0, table, mode, thr); + + trx->error_state = err; + + if (UNIV_LIKELY(err == DB_SUCCESS)) { + que_thr_stop_for_mysql_no_error(thr, trx); + } else { + que_thr_stop_for_mysql(thr); + + if (err != DB_QUE_THR_SUSPENDED) { + ibool was_lock_wait; + + was_lock_wait = row_mysql_handle_errors( + &err, trx, thr, NULL); + + if (was_lock_wait) { + goto run_again; + } + } else { + que_thr_t* run_thr; + que_node_t* parent; + + parent = que_node_get_parent(thr); + run_thr = que_fork_start_command(parent); + + ut_a(run_thr == thr); + + /* There was a lock wait but the thread was not + in a ready to run or running state. */ + trx->error_state = DB_LOCK_WAIT; + + goto run_again; + } + } + + que_graph_free(thr->graph); + trx->op_info = ""; + + return(err); +} + +/*********************************************************************//** +Drop an index from the InnoDB system tables. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. */ +UNIV_INTERN +void +row_merge_drop_index( +/*=================*/ + dict_index_t* index, /*!< in: index to be removed */ + dict_table_t* table, /*!< in: table */ + trx_t* trx) /*!< in: transaction handle */ +{ + ulint err; + pars_info_t* info = pars_info_create(); + + /* We use the private SQL parser of Innobase to generate the + query graphs needed in deleting the dictionary data from system + tables in Innobase. Deleting a row from SYS_INDEXES table also + frees the file segments of the B-tree associated with the index. */ + + static const char str1[] = + "PROCEDURE DROP_INDEX_PROC () IS\n" + "BEGIN\n" + /* Rename the index, so that it will be dropped by + row_merge_drop_temp_indexes() at crash recovery + if the server crashes before this trx is committed. */ + "UPDATE SYS_INDEXES SET NAME=CONCAT('" + TEMP_INDEX_PREFIX_STR "', NAME) WHERE ID = :indexid;\n" + "COMMIT WORK;\n" + /* Drop the field definitions of the index. */ + "DELETE FROM SYS_FIELDS WHERE INDEX_ID = :indexid;\n" + /* Drop the index definition and the B-tree. */ + "DELETE FROM SYS_INDEXES WHERE ID = :indexid;\n" + "END;\n"; + + ut_ad(index && table && trx); + + pars_info_add_dulint_literal(info, "indexid", index->id); + + trx_start_if_not_started(trx); + trx->op_info = "dropping index"; + + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); + + err = que_eval_sql(info, str1, FALSE, trx); + + ut_a(err == DB_SUCCESS); + + /* Replace this index with another equivalent index for all + foreign key constraints on this table where this index is used */ + + dict_table_replace_index_in_foreign_list(table, index); + dict_index_remove_from_cache(table, index); + + trx->op_info = ""; +} + +/*********************************************************************//** +Drop those indexes which were created before an error occurred when +building an index. The data dictionary must have been locked +exclusively by the caller, because the transaction will not be +committed. */ +UNIV_INTERN +void +row_merge_drop_indexes( +/*===================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table, /*!< in: table containing the indexes */ + dict_index_t** index, /*!< in: indexes to drop */ + ulint num_created) /*!< in: number of elements in index[] */ +{ + ulint key_num; + + for (key_num = 0; key_num < num_created; key_num++) { + row_merge_drop_index(index[key_num], table, trx); + } +} + +/*********************************************************************//** +Drop all partially created indexes during crash recovery. */ +UNIV_INTERN +void +row_merge_drop_temp_indexes(void) +/*=============================*/ +{ + trx_t* trx; + btr_pcur_t pcur; + mtr_t mtr; + + /* Load the table definitions that contain partially defined + indexes, so that the data dictionary information can be checked + when accessing the tablename.ibd files. */ + trx = trx_allocate_for_background(); + trx->op_info = "dropping partially created indexes"; + row_mysql_lock_data_dictionary(trx); + + mtr_start(&mtr); + + btr_pcur_open_at_index_side( + TRUE, + dict_table_get_first_index(dict_sys->sys_indexes), + BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + for (;;) { + const rec_t* rec; + const byte* field; + ulint len; + dulint table_id; + dict_table_t* table; + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + break; + } + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_NAME_FIELD, + &len); + if (len == UNIV_SQL_NULL || len == 0 + || mach_read_from_1(field) != (ulint) TEMP_INDEX_PREFIX) { + continue; + } + + /* This is a temporary index. */ + + field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len); + if (len != 8) { + /* Corrupted TABLE_ID */ + continue; + } + + table_id = mach_read_from_8(field); + + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + table = dict_load_table_on_id(table_id); + + if (table) { + dict_index_t* index; + + for (index = dict_table_get_first_index(table); + index; index = dict_table_get_next_index(index)) { + + if (*index->name == TEMP_INDEX_PREFIX) { + row_merge_drop_index(index, table, trx); + trx_commit_for_mysql(trx); + } + } + } + + mtr_start(&mtr); + btr_pcur_restore_position(BTR_SEARCH_LEAF, + &pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + row_mysql_unlock_data_dictionary(trx); + trx_free_for_background(trx); +} + +/*********************************************************************//** +Create a merge file. */ +static +void +row_merge_file_create( +/*==================*/ + merge_file_t* merge_file) /*!< out: merge file structure */ +{ + merge_file->fd = innobase_mysql_tmpfile(); + merge_file->offset = 0; + merge_file->n_rec = 0; +} + +/*********************************************************************//** +Destroy a merge file. */ +static +void +row_merge_file_destroy( +/*===================*/ + merge_file_t* merge_file) /*!< out: merge file structure */ +{ + if (merge_file->fd != -1) { + close(merge_file->fd); + merge_file->fd = -1; + } +} + +/*********************************************************************//** +Determine the precise type of a column that is added to a tem +if a column must be constrained NOT NULL. +@return col->prtype, possibly ORed with DATA_NOT_NULL */ +UNIV_INLINE +ulint +row_merge_col_prtype( +/*=================*/ + const dict_col_t* col, /*!< in: column */ + const char* col_name, /*!< in: name of the column */ + const merge_index_def_t*index_def) /*!< in: the index definition + of the primary key */ +{ + ulint prtype = col->prtype; + ulint i; + + ut_ad(index_def->ind_type & DICT_CLUSTERED); + + if (prtype & DATA_NOT_NULL) { + + return(prtype); + } + + /* All columns that are included + in the PRIMARY KEY must be NOT NULL. */ + + for (i = 0; i < index_def->n_fields; i++) { + if (!strcmp(col_name, index_def->fields[i].field_name)) { + return(prtype | DATA_NOT_NULL); + } + } + + return(prtype); +} + +/*********************************************************************//** +Create a temporary table for creating a primary key, using the definition +of an existing table. +@return table, or NULL on error */ +UNIV_INTERN +dict_table_t* +row_merge_create_temporary_table( +/*=============================*/ + const char* table_name, /*!< in: new table name */ + const merge_index_def_t*index_def, /*!< in: the index definition + of the primary key */ + const dict_table_t* table, /*!< in: old table definition */ + trx_t* trx) /*!< in/out: transaction + (sets error_state) */ +{ + ulint i; + dict_table_t* new_table = NULL; + ulint n_cols = dict_table_get_n_user_cols(table); + ulint error; + mem_heap_t* heap = mem_heap_create(1000); + + ut_ad(table_name); + ut_ad(index_def); + ut_ad(table); + ut_ad(mutex_own(&dict_sys->mutex)); + + new_table = dict_mem_table_create(table_name, 0, n_cols, table->flags); + + for (i = 0; i < n_cols; i++) { + const dict_col_t* col; + const char* col_name; + + col = dict_table_get_nth_col(table, i); + col_name = dict_table_get_col_name(table, i); + + dict_mem_table_add_col(new_table, heap, col_name, col->mtype, + row_merge_col_prtype(col, col_name, + index_def), + col->len); + } + + error = row_create_table_for_mysql(new_table, trx); + mem_heap_free(heap); + + if (error != DB_SUCCESS) { + trx->error_state = error; + new_table = NULL; + } + + return(new_table); +} + +/*********************************************************************//** +Rename the temporary indexes in the dictionary to permanent ones. The +data dictionary must have been locked exclusively by the caller, +because the transaction will not be committed. +@return DB_SUCCESS if all OK */ +UNIV_INTERN +ulint +row_merge_rename_indexes( +/*=====================*/ + trx_t* trx, /*!< in/out: transaction */ + dict_table_t* table) /*!< in/out: table with new indexes */ +{ + ulint err = DB_SUCCESS; + pars_info_t* info = pars_info_create(); + + /* We use the private SQL parser of Innobase to generate the + query graphs needed in renaming indexes. */ + + static const char rename_indexes[] = + "PROCEDURE RENAME_INDEXES_PROC () IS\n" + "BEGIN\n" + "UPDATE SYS_INDEXES SET NAME=SUBSTR(NAME,1,LENGTH(NAME)-1)\n" + "WHERE TABLE_ID = :tableid AND SUBSTR(NAME,0,1)='" + TEMP_INDEX_PREFIX_STR "';\n" + "END;\n"; + + ut_ad(table); + ut_ad(trx); + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); + + trx->op_info = "renaming indexes"; + + pars_info_add_dulint_literal(info, "tableid", table->id); + + err = que_eval_sql(info, rename_indexes, FALSE, trx); + + if (err == DB_SUCCESS) { + dict_index_t* index = dict_table_get_first_index(table); + do { + if (*index->name == TEMP_INDEX_PREFIX) { + index->name++; + } + index = dict_table_get_next_index(index); + } while (index); + } + + trx->op_info = ""; + + return(err); +} + +/*********************************************************************//** +Rename the tables in the data dictionary. The data dictionary must +have been locked exclusively by the caller, because the transaction +will not be committed. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_merge_rename_tables( +/*====================*/ + dict_table_t* old_table, /*!< in/out: old table, renamed to + tmp_name */ + dict_table_t* new_table, /*!< in/out: new table, renamed to + old_table->name */ + const char* tmp_name, /*!< in: new name for old_table */ + trx_t* trx) /*!< in: transaction handle */ +{ + ulint err = DB_ERROR; + pars_info_t* info; + const char* old_name= old_table->name; + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + ut_ad(old_table != new_table); + ut_ad(mutex_own(&dict_sys->mutex)); + + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); + + trx->op_info = "renaming tables"; + + /* We use the private SQL parser of Innobase to generate the query + graphs needed in updating the dictionary data in system tables. */ + + info = pars_info_create(); + + pars_info_add_str_literal(info, "new_name", new_table->name); + pars_info_add_str_literal(info, "old_name", old_name); + pars_info_add_str_literal(info, "tmp_name", tmp_name); + + err = que_eval_sql(info, + "PROCEDURE RENAME_TABLES () IS\n" + "BEGIN\n" + "UPDATE SYS_TABLES SET NAME = :tmp_name\n" + " WHERE NAME = :old_name;\n" + "UPDATE SYS_TABLES SET NAME = :old_name\n" + " WHERE NAME = :new_name;\n" + "END;\n", FALSE, trx); + + if (err != DB_SUCCESS) { + + goto err_exit; + } + + /* The following calls will also rename the .ibd data files if + the tables are stored in a single-table tablespace */ + + if (!dict_table_rename_in_cache(old_table, tmp_name, FALSE) + || !dict_table_rename_in_cache(new_table, old_name, FALSE)) { + + err = DB_ERROR; + goto err_exit; + } + + err = dict_load_foreigns(old_name, TRUE); + + if (err != DB_SUCCESS) { +err_exit: + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + } + + trx->op_info = ""; + + return(err); +} + +/*********************************************************************//** +Create and execute a query graph for creating an index. +@return DB_SUCCESS or error code */ +static +ulint +row_merge_create_index_graph( +/*=========================*/ + trx_t* trx, /*!< in: trx */ + dict_table_t* table, /*!< in: table */ + dict_index_t* index) /*!< in: index */ +{ + ind_node_t* node; /*!< Index creation node */ + mem_heap_t* heap; /*!< Memory heap */ + que_thr_t* thr; /*!< Query thread */ + ulint err; + + ut_ad(trx); + ut_ad(table); + ut_ad(index); + + heap = mem_heap_create(512); + + index->table = table; + node = ind_create_graph_create(index, heap); + thr = pars_complete_graph_for_exec(node, trx, heap); + + ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); + + que_run_threads(thr); + + err = trx->error_state; + + que_graph_free((que_t*) que_node_get_parent(thr)); + + return(err); +} + +/*********************************************************************//** +Create the index and load in to the dictionary. +@return index, or NULL on error */ +UNIV_INTERN +dict_index_t* +row_merge_create_index( +/*===================*/ + trx_t* trx, /*!< in/out: trx (sets error_state) */ + dict_table_t* table, /*!< in: the index is on this table */ + const merge_index_def_t*index_def) + /*!< in: the index definition */ +{ + dict_index_t* index; + ulint err; + ulint n_fields = index_def->n_fields; + ulint i; + + /* Create the index prototype, using the passed in def, this is not + a persistent operation. We pass 0 as the space id, and determine at + a lower level the space id where to store the table. */ + + index = dict_mem_index_create(table->name, index_def->name, + 0, index_def->ind_type, n_fields); + + ut_a(index); + + for (i = 0; i < n_fields; i++) { + merge_index_field_t* ifield = &index_def->fields[i]; + + dict_mem_index_add_field(index, ifield->field_name, + ifield->prefix_len); + } + + /* Add the index to SYS_INDEXES, using the index prototype. */ + err = row_merge_create_index_graph(trx, table, index); + + if (err == DB_SUCCESS) { + + index = row_merge_dict_table_get_index( + table, index_def); + + ut_a(index); + + /* Note the id of the transaction that created this + index, we use it to restrict readers from accessing + this index, to ensure read consistency. */ + index->trx_id = (ib_uint64_t) + ut_conv_dulint_to_longlong(trx->id); + } else { + index = NULL; + } + + return(index); +} + +/*********************************************************************//** +Check if a transaction can use an index. */ +UNIV_INTERN +ibool +row_merge_is_index_usable( +/*======================*/ + const trx_t* trx, /*!< in: transaction */ + const dict_index_t* index) /*!< in: index to check */ +{ + return(!trx->read_view || read_view_sees_trx_id( + trx->read_view, + ut_dulint_create((ulint) (index->trx_id >> 32), + (ulint) index->trx_id & 0xFFFFFFFF))); +} + +/*********************************************************************//** +Drop the old table. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_merge_drop_table( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* table) /*!< in: table to drop */ +{ + /* There must be no open transactions on the table. */ + ut_a(table->n_mysql_handles_opened == 0); + + return(row_drop_table_for_mysql(table->name, trx, FALSE)); +} + +/*********************************************************************//** +Build indexes on a table by reading a clustered index, +creating a temporary file containing index entries, merge sorting +these index entries and inserting sorted index entries to indexes. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_merge_build_indexes( +/*====================*/ + trx_t* trx, /*!< in: transaction */ + dict_table_t* old_table, /*!< in: table where rows are + read from */ + dict_table_t* new_table, /*!< in: table where indexes are + created; identical to old_table + unless creating a PRIMARY KEY */ + dict_index_t** indexes, /*!< in: indexes to be created */ + ulint n_indexes, /*!< in: size of indexes[] */ + struct TABLE* table) /*!< in/out: MySQL table, for + reporting erroneous key value + if applicable */ +{ + merge_file_t* merge_files; + row_merge_block_t* block; + ulint block_size; + ulint i; + ulint error; + int tmpfd; + + ut_ad(trx); + ut_ad(old_table); + ut_ad(new_table); + ut_ad(indexes); + ut_ad(n_indexes); + + trx_start_if_not_started(trx); + + /* Allocate memory for merge file data structure and initialize + fields */ + + merge_files = mem_alloc(n_indexes * sizeof *merge_files); + block_size = 3 * sizeof *block; + block = os_mem_alloc_large(&block_size); + + for (i = 0; i < n_indexes; i++) { + + row_merge_file_create(&merge_files[i]); + } + + tmpfd = innobase_mysql_tmpfile(); + + /* Reset the MySQL row buffer that is used when reporting + duplicate keys. */ + innobase_rec_reset(table); + + /* Read clustered index of the table and create files for + secondary index entries for merge sort */ + + error = row_merge_read_clustered_index( + trx, table, old_table, new_table, indexes, + merge_files, n_indexes, block); + + if (error != DB_SUCCESS) { + + goto func_exit; + } + + /* Now we have files containing index entries ready for + sorting and inserting. */ + + for (i = 0; i < n_indexes; i++) { + error = row_merge_sort(trx, indexes[i], &merge_files[i], + block, &tmpfd, table); + + if (error == DB_SUCCESS) { + error = row_merge_insert_index_tuples( + trx, indexes[i], new_table, + dict_table_zip_size(old_table), + merge_files[i].fd, block); + } + + /* Close the temporary file to free up space. */ + row_merge_file_destroy(&merge_files[i]); + + if (error != DB_SUCCESS) { + trx->error_key_num = i; + goto func_exit; + } + } + +func_exit: + close(tmpfd); + + for (i = 0; i < n_indexes; i++) { + row_merge_file_destroy(&merge_files[i]); + } + + mem_free(merge_files); + os_mem_free_large(block, block_size); + + return(error); +} diff --git a/perfschema/row/row0mysql.c b/perfschema/row/row0mysql.c new file mode 100644 index 00000000000..0d8d298453c --- /dev/null +++ b/perfschema/row/row0mysql.c @@ -0,0 +1,4178 @@ +/***************************************************************************** + +Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0mysql.c +Interface between Innobase row operations and MySQL. +Contains also create table and other data dictionary operations. + +Created 9/17/2000 Heikki Tuuri +*******************************************************/ + +#include "row0mysql.h" + +#ifdef UNIV_NONINL +#include "row0mysql.ic" +#endif + +#include "row0ins.h" +#include "row0merge.h" +#include "row0sel.h" +#include "row0upd.h" +#include "row0row.h" +#include "que0que.h" +#include "pars0pars.h" +#include "dict0dict.h" +#include "dict0crea.h" +#include "dict0load.h" +#include "dict0boot.h" +#include "trx0roll.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "trx0undo.h" +#include "lock0lock.h" +#include "rem0cmp.h" +#include "log0log.h" +#include "btr0sea.h" +#include "fil0fil.h" +#include "ibuf0ibuf.h" + +/** Provide optional 4.x backwards compatibility for 5.0 and above */ +UNIV_INTERN ibool row_rollback_on_timeout = FALSE; + +/** Chain node of the list of tables to drop in the background. */ +typedef struct row_mysql_drop_struct row_mysql_drop_t; + +/** Chain node of the list of tables to drop in the background. */ +struct row_mysql_drop_struct{ + char* table_name; /*!< table name */ + UT_LIST_NODE_T(row_mysql_drop_t)row_mysql_drop_list; + /*!< list chain node */ +}; + +/** @brief List of tables we should drop in background. + +ALTER TABLE in MySQL requires that the table handler can drop the +table in background when there are no queries to it any +more. Protected by kernel_mutex. */ +static UT_LIST_BASE_NODE_T(row_mysql_drop_t) row_mysql_drop_list; +/** Flag: has row_mysql_drop_list been initialized? */ +static ibool row_mysql_drop_list_inited = FALSE; + +/** Magic table names for invoking various monitor threads */ +/* @{ */ +static const char S_innodb_monitor[] = "innodb_monitor"; +static const char S_innodb_lock_monitor[] = "innodb_lock_monitor"; +static const char S_innodb_tablespace_monitor[] = "innodb_tablespace_monitor"; +static const char S_innodb_table_monitor[] = "innodb_table_monitor"; +static const char S_innodb_mem_validate[] = "innodb_mem_validate"; +/* @} */ + +/** Evaluates to true if str1 equals str2_onstack, used for comparing +the magic table names. +@param str1 in: string to compare +@param str1_len in: length of str1, in bytes, including terminating NUL +@param str2_onstack in: char[] array containing a NUL terminated string +@return TRUE if str1 equals str2_onstack */ +#define STR_EQ(str1, str1_len, str2_onstack) \ + ((str1_len) == sizeof(str2_onstack) \ + && memcmp(str1, str2_onstack, sizeof(str2_onstack)) == 0) + +/*******************************************************************//** +Determine if the given name is a name reserved for MySQL system tables. +@return TRUE if name is a MySQL system table name */ +static +ibool +row_mysql_is_system_table( +/*======================*/ + const char* name) +{ + if (strncmp(name, "mysql/", 6) != 0) { + + return(FALSE); + } + + return(0 == strcmp(name + 6, "host") + || 0 == strcmp(name + 6, "user") + || 0 == strcmp(name + 6, "db")); +} + +/*********************************************************************//** +If a table is not yet in the drop list, adds the table to the list of tables +which the master thread drops in background. We need this on Unix because in +ALTER TABLE MySQL may call drop table even if the table has running queries on +it. Also, if there are running foreign key checks on the table, we drop the +table lazily. +@return TRUE if the table was not yet in the drop list, and was added there */ +static +ibool +row_add_table_to_background_drop_list( +/*==================================*/ + const char* name); /*!< in: table name */ + +/*******************************************************************//** +Delays an INSERT, DELETE or UPDATE operation if the purge is lagging. */ +static +void +row_mysql_delay_if_needed(void) +/*===========================*/ +{ + if (srv_dml_needed_delay) { + os_thread_sleep(srv_dml_needed_delay); + } +} + +/*******************************************************************//** +Frees the blob heap in prebuilt when no longer needed. */ +UNIV_INTERN +void +row_mysql_prebuilt_free_blob_heap( +/*==============================*/ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct of a + ha_innobase:: table handle */ +{ + mem_heap_free(prebuilt->blob_heap); + prebuilt->blob_heap = NULL; +} + +/*******************************************************************//** +Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row +format. +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ +UNIV_INTERN +byte* +row_mysql_store_true_var_len( +/*=========================*/ + byte* dest, /*!< in: where to store */ + ulint len, /*!< in: length, must fit in two bytes */ + ulint lenlen) /*!< in: storage length of len: either 1 or 2 bytes */ +{ + if (lenlen == 2) { + ut_a(len < 256 * 256); + + mach_write_to_2_little_endian(dest, len); + + return(dest + 2); + } + + ut_a(lenlen == 1); + ut_a(len < 256); + + mach_write_to_1(dest, len); + + return(dest + 1); +} + +/*******************************************************************//** +Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and +returns a pointer to the data. +@return pointer to the data, we skip the 1 or 2 bytes at the start +that are used to store the len */ +UNIV_INTERN +const byte* +row_mysql_read_true_varchar( +/*========================*/ + ulint* len, /*!< out: variable-length field length */ + const byte* field, /*!< in: field in the MySQL format */ + ulint lenlen) /*!< in: storage length of len: either 1 + or 2 bytes */ +{ + if (lenlen == 2) { + *len = mach_read_from_2_little_endian(field); + + return(field + 2); + } + + ut_a(lenlen == 1); + + *len = mach_read_from_1(field); + + return(field + 1); +} + +/*******************************************************************//** +Stores a reference to a BLOB in the MySQL format. */ +UNIV_INTERN +void +row_mysql_store_blob_ref( +/*=====================*/ + byte* dest, /*!< in: where to store */ + ulint col_len,/*!< in: dest buffer size: determines into + how many bytes the BLOB length is stored, + the space for the length may vary from 1 + to 4 bytes */ + const void* data, /*!< in: BLOB data; if the value to store + is SQL NULL this should be NULL pointer */ + ulint len) /*!< in: BLOB length; if the value to store + is SQL NULL this should be 0; remember + also to set the NULL bit in the MySQL record + header! */ +{ + /* MySQL might assume the field is set to zero except the length and + the pointer fields */ + + memset(dest, '\0', col_len); + + /* In dest there are 1 - 4 bytes reserved for the BLOB length, + and after that 8 bytes reserved for the pointer to the data. + In 32-bit architectures we only use the first 4 bytes of the pointer + slot. */ + + ut_a(col_len - 8 > 1 || len < 256); + ut_a(col_len - 8 > 2 || len < 256 * 256); + ut_a(col_len - 8 > 3 || len < 256 * 256 * 256); + + mach_write_to_n_little_endian(dest, col_len - 8, len); + + memcpy(dest + col_len - 8, &data, sizeof data); +} + +/*******************************************************************//** +Reads a reference to a BLOB in the MySQL format. +@return pointer to BLOB data */ +UNIV_INTERN +const byte* +row_mysql_read_blob_ref( +/*====================*/ + ulint* len, /*!< out: BLOB length */ + const byte* ref, /*!< in: BLOB reference in the + MySQL format */ + ulint col_len) /*!< in: BLOB reference length + (not BLOB length) */ +{ + byte* data; + + *len = mach_read_from_n_little_endian(ref, col_len - 8); + + memcpy(&data, ref + col_len - 8, sizeof data); + + return(data); +} + +/**************************************************************//** +Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. +The counterpart of this function is row_sel_field_store_in_mysql_format() in +row0sel.c. +@return up to which byte we used buf in the conversion */ +UNIV_INTERN +byte* +row_mysql_store_col_in_innobase_format( +/*===================================*/ + dfield_t* dfield, /*!< in/out: dfield where dtype + information must be already set when + this function is called! */ + byte* buf, /*!< in/out: buffer for a converted + integer value; this must be at least + col_len long then! */ + ibool row_format_col, /*!< TRUE if the mysql_data is from + a MySQL row, FALSE if from a MySQL + key value; + in MySQL, a true VARCHAR storage + format differs in a row and in a + key value: in a key value the length + is always stored in 2 bytes! */ + const byte* mysql_data, /*!< in: MySQL column value, not + SQL NULL; NOTE that dfield may also + get a pointer to mysql_data, + therefore do not discard this as long + as dfield is used! */ + ulint col_len, /*!< in: MySQL column length; NOTE that + this is the storage length of the + column in the MySQL format row, not + necessarily the length of the actual + payload data; if the column is a true + VARCHAR then this is irrelevant */ + ulint comp) /*!< in: nonzero=compact format */ +{ + const byte* ptr = mysql_data; + const dtype_t* dtype; + ulint type; + ulint lenlen; + + dtype = dfield_get_type(dfield); + + type = dtype->mtype; + + if (type == DATA_INT) { + /* Store integer data in Innobase in a big-endian format, + sign bit negated if the data is a signed integer. In MySQL, + integers are stored in a little-endian format. */ + + byte* p = buf + col_len; + + for (;;) { + p--; + *p = *mysql_data; + if (p == buf) { + break; + } + mysql_data++; + } + + if (!(dtype->prtype & DATA_UNSIGNED)) { + + *buf ^= 128; + } + + ptr = buf; + buf += col_len; + } else if ((type == DATA_VARCHAR + || type == DATA_VARMYSQL + || type == DATA_BINARY)) { + + if (dtype_get_mysql_type(dtype) == DATA_MYSQL_TRUE_VARCHAR) { + /* The length of the actual data is stored to 1 or 2 + bytes at the start of the field */ + + if (row_format_col) { + if (dtype->prtype & DATA_LONG_TRUE_VARCHAR) { + lenlen = 2; + } else { + lenlen = 1; + } + } else { + /* In a MySQL key value, lenlen is always 2 */ + lenlen = 2; + } + + ptr = row_mysql_read_true_varchar(&col_len, mysql_data, + lenlen); + } else { + /* Remove trailing spaces from old style VARCHAR + columns. */ + + /* Handle UCS2 strings differently. */ + ulint mbminlen = dtype_get_mbminlen(dtype); + + ptr = mysql_data; + + if (mbminlen == 2) { + /* space=0x0020 */ + /* Trim "half-chars", just in case. */ + col_len &= ~1; + + while (col_len >= 2 && ptr[col_len - 2] == 0x00 + && ptr[col_len - 1] == 0x20) { + col_len -= 2; + } + } else { + ut_a(mbminlen == 1); + /* space=0x20 */ + while (col_len > 0 + && ptr[col_len - 1] == 0x20) { + col_len--; + } + } + } + } else if (comp && type == DATA_MYSQL + && dtype_get_mbminlen(dtype) == 1 + && dtype_get_mbmaxlen(dtype) > 1) { + /* In some cases we strip trailing spaces from UTF-8 and other + multibyte charsets, from FIXED-length CHAR columns, to save + space. UTF-8 would otherwise normally use 3 * the string length + bytes to store an ASCII string! */ + + /* We assume that this CHAR field is encoded in a + variable-length character set where spaces have + 1:1 correspondence to 0x20 bytes, such as UTF-8. + + Consider a CHAR(n) field, a field of n characters. + It will contain between n * mbminlen and n * mbmaxlen bytes. + We will try to truncate it to n bytes by stripping + space padding. If the field contains single-byte + characters only, it will be truncated to n characters. + Consider a CHAR(5) field containing the string ".a " + where "." denotes a 3-byte character represented by + the bytes "$%&". After our stripping, the string will + be stored as "$%&a " (5 bytes). The string ".abc " + will be stored as "$%&abc" (6 bytes). + + The space padding will be restored in row0sel.c, function + row_sel_field_store_in_mysql_format(). */ + + ulint n_chars; + + ut_a(!(dtype_get_len(dtype) % dtype_get_mbmaxlen(dtype))); + + n_chars = dtype_get_len(dtype) / dtype_get_mbmaxlen(dtype); + + /* Strip space padding. */ + while (col_len > n_chars && ptr[col_len - 1] == 0x20) { + col_len--; + } + } else if (type == DATA_BLOB && row_format_col) { + + ptr = row_mysql_read_blob_ref(&col_len, mysql_data, col_len); + } + + dfield_set_data(dfield, ptr, col_len); + + return(buf); +} + +/**************************************************************//** +Convert a row in the MySQL format to a row in the Innobase format. Note that +the function to convert a MySQL format key value to an InnoDB dtuple is +row_sel_convert_mysql_key_to_innobase() in row0sel.c. */ +static +void +row_mysql_convert_row_to_innobase( +/*==============================*/ + dtuple_t* row, /*!< in/out: Innobase row where the + field type information is already + copied there! */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct where template + must be of type ROW_MYSQL_WHOLE_ROW */ + byte* mysql_rec) /*!< in: row in the MySQL format; + NOTE: do not discard as long as + row is used, as row may contain + pointers to this record! */ +{ + mysql_row_templ_t* templ; + dfield_t* dfield; + ulint i; + + ut_ad(prebuilt->template_type == ROW_MYSQL_WHOLE_ROW); + ut_ad(prebuilt->mysql_template); + + for (i = 0; i < prebuilt->n_template; i++) { + + templ = prebuilt->mysql_template + i; + dfield = dtuple_get_nth_field(row, i); + + if (templ->mysql_null_bit_mask != 0) { + /* Column may be SQL NULL */ + + if (mysql_rec[templ->mysql_null_byte_offset] + & (byte) (templ->mysql_null_bit_mask)) { + + /* It is SQL NULL */ + + dfield_set_null(dfield); + + goto next_column; + } + } + + row_mysql_store_col_in_innobase_format( + dfield, + prebuilt->ins_upd_rec_buff + templ->mysql_col_offset, + TRUE, /* MySQL row format data */ + mysql_rec + templ->mysql_col_offset, + templ->mysql_col_len, + dict_table_is_comp(prebuilt->table)); +next_column: + ; + } +} + +/****************************************************************//** +Handles user errors and lock waits detected by the database engine. +@return TRUE if it was a lock wait and we should continue running the +query thread and in that case the thr is ALREADY in the running state. */ +UNIV_INTERN +ibool +row_mysql_handle_errors( +/*====================*/ + ulint* new_err,/*!< out: possible new error encountered in + lock wait, or if no new error, the value + of trx->error_state at the entry of this + function */ + trx_t* trx, /*!< in: transaction */ + que_thr_t* thr, /*!< in: query thread */ + trx_savept_t* savept) /*!< in: savepoint or NULL */ +{ + ulint err; + +handle_new_error: + err = trx->error_state; + + ut_a(err != DB_SUCCESS); + + trx->error_state = DB_SUCCESS; + + switch (err) { + case DB_LOCK_WAIT_TIMEOUT: + if (row_rollback_on_timeout) { + trx_general_rollback_for_mysql(trx, NULL); + break; + } + /* fall through */ + case DB_DUPLICATE_KEY: + case DB_FOREIGN_DUPLICATE_KEY: + case DB_TOO_BIG_RECORD: + case DB_ROW_IS_REFERENCED: + case DB_NO_REFERENCED_ROW: + case DB_CANNOT_ADD_CONSTRAINT: + case DB_TOO_MANY_CONCURRENT_TRXS: + case DB_OUT_OF_FILE_SPACE: + if (savept) { + /* Roll back the latest, possibly incomplete + insertion or update */ + + trx_general_rollback_for_mysql(trx, savept); + } + /* MySQL will roll back the latest SQL statement */ + break; + case DB_LOCK_WAIT: + srv_suspend_mysql_thread(thr); + + if (trx->error_state != DB_SUCCESS) { + que_thr_stop_for_mysql(thr); + + goto handle_new_error; + } + + *new_err = err; + + return(TRUE); + + case DB_DEADLOCK: + case DB_LOCK_TABLE_FULL: + /* Roll back the whole transaction; this resolution was added + to version 3.23.43 */ + + trx_general_rollback_for_mysql(trx, NULL); + break; + + case DB_MUST_GET_MORE_FILE_SPACE: + fputs("InnoDB: The database cannot continue" + " operation because of\n" + "InnoDB: lack of space. You must add" + " a new data file to\n" + "InnoDB: my.cnf and restart the database.\n", stderr); + + exit(1); + + case DB_CORRUPTION: + fputs("InnoDB: We detected index corruption" + " in an InnoDB type table.\n" + "InnoDB: You have to dump + drop + reimport" + " the table or, in\n" + "InnoDB: a case of widespread corruption," + " dump all InnoDB\n" + "InnoDB: tables and recreate the" + " whole InnoDB tablespace.\n" + "InnoDB: If the mysqld server crashes" + " after the startup or when\n" + "InnoDB: you dump the tables, look at\n" + "InnoDB: " REFMAN "forcing-recovery.html" + " for help.\n", stderr); + break; + default: + fprintf(stderr, "InnoDB: unknown error code %lu\n", + (ulong) err); + ut_error; + } + + if (trx->error_state != DB_SUCCESS) { + *new_err = trx->error_state; + } else { + *new_err = err; + } + + trx->error_state = DB_SUCCESS; + + return(FALSE); +} + +/********************************************************************//** +Create a prebuilt struct for a MySQL table handle. +@return own: a prebuilt struct */ +UNIV_INTERN +row_prebuilt_t* +row_create_prebuilt( +/*================*/ + dict_table_t* table) /*!< in: Innobase table handle */ +{ + row_prebuilt_t* prebuilt; + mem_heap_t* heap; + dict_index_t* clust_index; + dtuple_t* ref; + ulint ref_len; + + heap = mem_heap_create(sizeof *prebuilt + 128); + + prebuilt = mem_heap_zalloc(heap, sizeof *prebuilt); + + prebuilt->magic_n = ROW_PREBUILT_ALLOCATED; + prebuilt->magic_n2 = ROW_PREBUILT_ALLOCATED; + + prebuilt->table = table; + + prebuilt->sql_stat_start = TRUE; + prebuilt->heap = heap; + + prebuilt->pcur = btr_pcur_create_for_mysql(); + prebuilt->clust_pcur = btr_pcur_create_for_mysql(); + + prebuilt->select_lock_type = LOCK_NONE; + prebuilt->stored_select_lock_type = 99999999; + + prebuilt->search_tuple = dtuple_create( + heap, 2 * dict_table_get_n_cols(table)); + + clust_index = dict_table_get_first_index(table); + + /* Make sure that search_tuple is long enough for clustered index */ + ut_a(2 * dict_table_get_n_cols(table) >= clust_index->n_fields); + + ref_len = dict_index_get_n_unique(clust_index); + + ref = dtuple_create(heap, ref_len); + + dict_index_copy_types(ref, clust_index, ref_len); + + prebuilt->clust_ref = ref; + + prebuilt->autoinc_error = 0; + prebuilt->autoinc_offset = 0; + + /* Default to 1, we will set the actual value later in + ha_innobase::get_auto_increment(). */ + prebuilt->autoinc_increment = 1; + + prebuilt->autoinc_last_value = 0; + + return(prebuilt); +} + +/********************************************************************//** +Free a prebuilt struct for a MySQL table handle. */ +UNIV_INTERN +void +row_prebuilt_free( +/*==============*/ + row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ + ibool dict_locked) /*!< in: TRUE=data dictionary locked */ +{ + ulint i; + + if (UNIV_UNLIKELY + (prebuilt->magic_n != ROW_PREBUILT_ALLOCATED + || prebuilt->magic_n2 != ROW_PREBUILT_ALLOCATED)) { + + fprintf(stderr, + "InnoDB: Error: trying to free a corrupt\n" + "InnoDB: table handle. Magic n %lu," + " magic n2 %lu, table name ", + (ulong) prebuilt->magic_n, + (ulong) prebuilt->magic_n2); + ut_print_name(stderr, NULL, TRUE, prebuilt->table->name); + putc('\n', stderr); + + mem_analyze_corruption(prebuilt); + + ut_error; + } + + prebuilt->magic_n = ROW_PREBUILT_FREED; + prebuilt->magic_n2 = ROW_PREBUILT_FREED; + + btr_pcur_free_for_mysql(prebuilt->pcur); + btr_pcur_free_for_mysql(prebuilt->clust_pcur); + + if (prebuilt->mysql_template) { + mem_free(prebuilt->mysql_template); + } + + if (prebuilt->ins_graph) { + que_graph_free_recursive(prebuilt->ins_graph); + } + + if (prebuilt->sel_graph) { + que_graph_free_recursive(prebuilt->sel_graph); + } + + if (prebuilt->upd_graph) { + que_graph_free_recursive(prebuilt->upd_graph); + } + + if (prebuilt->blob_heap) { + mem_heap_free(prebuilt->blob_heap); + } + + if (prebuilt->old_vers_heap) { + mem_heap_free(prebuilt->old_vers_heap); + } + + for (i = 0; i < MYSQL_FETCH_CACHE_SIZE; i++) { + if (prebuilt->fetch_cache[i] != NULL) { + + if ((ROW_PREBUILT_FETCH_MAGIC_N != mach_read_from_4( + (prebuilt->fetch_cache[i]) - 4)) + || (ROW_PREBUILT_FETCH_MAGIC_N != mach_read_from_4( + (prebuilt->fetch_cache[i]) + + prebuilt->mysql_row_len))) { + fputs("InnoDB: Error: trying to free" + " a corrupt fetch buffer.\n", stderr); + + mem_analyze_corruption( + prebuilt->fetch_cache[i]); + + ut_error; + } + + mem_free((prebuilt->fetch_cache[i]) - 4); + } + } + + dict_table_decrement_handle_count(prebuilt->table, dict_locked); + + mem_heap_free(prebuilt->heap); +} + +/*********************************************************************//** +Updates the transaction pointers in query graphs stored in the prebuilt +struct. */ +UNIV_INTERN +void +row_update_prebuilt_trx( +/*====================*/ + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct + in MySQL handle */ + trx_t* trx) /*!< in: transaction handle */ +{ + if (trx->magic_n != TRX_MAGIC_N) { + fprintf(stderr, + "InnoDB: Error: trying to use a corrupt\n" + "InnoDB: trx handle. Magic n %lu\n", + (ulong) trx->magic_n); + + mem_analyze_corruption(trx); + + ut_error; + } + + if (prebuilt->magic_n != ROW_PREBUILT_ALLOCATED) { + fprintf(stderr, + "InnoDB: Error: trying to use a corrupt\n" + "InnoDB: table handle. Magic n %lu, table name ", + (ulong) prebuilt->magic_n); + ut_print_name(stderr, trx, TRUE, prebuilt->table->name); + putc('\n', stderr); + + mem_analyze_corruption(prebuilt); + + ut_error; + } + + prebuilt->trx = trx; + + if (prebuilt->ins_graph) { + prebuilt->ins_graph->trx = trx; + } + + if (prebuilt->upd_graph) { + prebuilt->upd_graph->trx = trx; + } + + if (prebuilt->sel_graph) { + prebuilt->sel_graph->trx = trx; + } +} + +/*********************************************************************//** +Gets pointer to a prebuilt dtuple used in insertions. If the insert graph +has not yet been built in the prebuilt struct, then this function first +builds it. +@return prebuilt dtuple; the column type information is also set in it */ +static +dtuple_t* +row_get_prebuilt_insert_row( +/*========================*/ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL + handle */ +{ + ins_node_t* node; + dtuple_t* row; + dict_table_t* table = prebuilt->table; + + ut_ad(prebuilt && table && prebuilt->trx); + + if (prebuilt->ins_node == NULL) { + + /* Not called before for this handle: create an insert node + and query graph to the prebuilt struct */ + + node = ins_node_create(INS_DIRECT, table, prebuilt->heap); + + prebuilt->ins_node = node; + + if (prebuilt->ins_upd_rec_buff == NULL) { + prebuilt->ins_upd_rec_buff = mem_heap_alloc( + prebuilt->heap, prebuilt->mysql_row_len); + } + + row = dtuple_create(prebuilt->heap, + dict_table_get_n_cols(table)); + + dict_table_copy_types(row, table); + + ins_node_set_new_row(node, row); + + prebuilt->ins_graph = que_node_get_parent( + pars_complete_graph_for_exec(node, + prebuilt->trx, + prebuilt->heap)); + prebuilt->ins_graph->state = QUE_FORK_ACTIVE; + } + + return(prebuilt->ins_node->row); +} + +/*********************************************************************//** +Updates the table modification counter and calculates new estimates +for table and index statistics if necessary. */ +UNIV_INLINE +void +row_update_statistics_if_needed( +/*============================*/ + dict_table_t* table) /*!< in: table */ +{ + ulint counter; + + counter = table->stat_modified_counter; + + table->stat_modified_counter = counter + 1; + + /* Calculate new statistics if 1 / 16 of table has been modified + since the last time a statistics batch was run, or if + stat_modified_counter > 2 000 000 000 (to avoid wrap-around). + We calculate statistics at most every 16th round, since we may have + a counter table which is very small and updated very often. */ + + if (counter > 2000000000 + || ((ib_int64_t)counter > 16 + table->stat_n_rows / 16)) { + + dict_update_statistics(table); + } +} + +/*********************************************************************//** +Unlocks AUTO_INC type locks that were possibly reserved by a trx. This +function should be called at the the end of an SQL statement, by the +connection thread that owns the transaction (trx->mysql_thd). */ +UNIV_INTERN +void +row_unlock_table_autoinc_for_mysql( +/*===============================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + if (lock_trx_holds_autoinc_locks(trx)) { + mutex_enter(&kernel_mutex); + + lock_release_autoinc_locks(trx); + + mutex_exit(&kernel_mutex); + } +} + +/*********************************************************************//** +Sets an AUTO_INC type lock on the table mentioned in prebuilt. The +AUTO_INC lock gives exclusive access to the auto-inc counter of the +table. The lock is reserved only for the duration of an SQL statement. +It is not compatible with another AUTO_INC or exclusive lock on the +table. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_lock_table_autoinc_for_mysql( +/*=============================*/ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in the MySQL + table handle */ +{ + trx_t* trx = prebuilt->trx; + ins_node_t* node = prebuilt->ins_node; + const dict_table_t* table = prebuilt->table; + que_thr_t* thr; + ulint err; + ibool was_lock_wait; + + ut_ad(trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + /* If we already hold an AUTOINC lock on the table then do nothing. + Note: We peek at the value of the current owner without acquiring + the kernel mutex. **/ + if (trx == table->autoinc_trx) { + + return(DB_SUCCESS); + } + + trx->op_info = "setting auto-inc lock"; + + if (node == NULL) { + row_get_prebuilt_insert_row(prebuilt); + node = prebuilt->ins_node; + } + + /* We use the insert query graph as the dummy graph needed + in the lock module call */ + + thr = que_fork_get_first_thr(prebuilt->ins_graph); + + que_thr_move_to_run_state_for_mysql(thr, trx); + +run_again: + thr->run_node = node; + thr->prev_node = node; + + /* It may be that the current session has not yet started + its transaction, or it has been committed: */ + + trx_start_if_not_started(trx); + + err = lock_table(0, prebuilt->table, LOCK_AUTO_INC, thr); + + trx->error_state = err; + + if (err != DB_SUCCESS) { + que_thr_stop_for_mysql(thr); + + was_lock_wait = row_mysql_handle_errors(&err, trx, thr, NULL); + + if (was_lock_wait) { + goto run_again; + } + + trx->op_info = ""; + + return((int) err); + } + + que_thr_stop_for_mysql_no_error(thr, trx); + + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +Sets a table lock on the table mentioned in prebuilt. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_lock_table_for_mysql( +/*=====================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL + table handle */ + dict_table_t* table, /*!< in: table to lock, or NULL + if prebuilt->table should be + locked as + prebuilt->select_lock_type */ + ulint mode) /*!< in: lock mode of table + (ignored if table==NULL) */ +{ + trx_t* trx = prebuilt->trx; + que_thr_t* thr; + ulint err; + ibool was_lock_wait; + + ut_ad(trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + trx->op_info = "setting table lock"; + + if (prebuilt->sel_graph == NULL) { + /* Build a dummy select query graph */ + row_prebuild_sel_graph(prebuilt); + } + + /* We use the select query graph as the dummy graph needed + in the lock module call */ + + thr = que_fork_get_first_thr(prebuilt->sel_graph); + + que_thr_move_to_run_state_for_mysql(thr, trx); + +run_again: + thr->run_node = thr; + thr->prev_node = thr->common.parent; + + /* It may be that the current session has not yet started + its transaction, or it has been committed: */ + + trx_start_if_not_started(trx); + + if (table) { + err = lock_table(0, table, mode, thr); + } else { + err = lock_table(0, prebuilt->table, + prebuilt->select_lock_type, thr); + } + + trx->error_state = err; + + if (err != DB_SUCCESS) { + que_thr_stop_for_mysql(thr); + + was_lock_wait = row_mysql_handle_errors(&err, trx, thr, NULL); + + if (was_lock_wait) { + goto run_again; + } + + trx->op_info = ""; + + return((int) err); + } + + que_thr_stop_for_mysql_no_error(thr, trx); + + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +Does an insert for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_insert_for_mysql( +/*=================*/ + byte* mysql_rec, /*!< in: row in the MySQL format */ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL + handle */ +{ + trx_savept_t savept; + que_thr_t* thr; + ulint err; + ibool was_lock_wait; + trx_t* trx = prebuilt->trx; + ins_node_t* node = prebuilt->ins_node; + + ut_ad(trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + if (prebuilt->table->ibd_file_missing) { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Error:\n" + "InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir, or have you" + " used DISCARD TABLESPACE?\n" + "InnoDB: Look from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + return(DB_ERROR); + } + + if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { + fprintf(stderr, + "InnoDB: Error: trying to free a corrupt\n" + "InnoDB: table handle. Magic n %lu, table name ", + (ulong) prebuilt->magic_n); + ut_print_name(stderr, trx, TRUE, prebuilt->table->name); + putc('\n', stderr); + + mem_analyze_corruption(prebuilt); + + ut_error; + } + + if (UNIV_UNLIKELY(srv_created_new_raw || srv_force_recovery)) { + fputs("InnoDB: A new raw disk partition was initialized or\n" + "InnoDB: innodb_force_recovery is on: we do not allow\n" + "InnoDB: database modifications by the user. Shut down\n" + "InnoDB: mysqld and edit my.cnf so that" + " newraw is replaced\n" + "InnoDB: with raw, and innodb_force_... is removed.\n", + stderr); + + return(DB_ERROR); + } + + trx->op_info = "inserting"; + + row_mysql_delay_if_needed(); + + trx_start_if_not_started(trx); + + if (node == NULL) { + row_get_prebuilt_insert_row(prebuilt); + node = prebuilt->ins_node; + } + + row_mysql_convert_row_to_innobase(node->row, prebuilt, mysql_rec); + + savept = trx_savept_take(trx); + + thr = que_fork_get_first_thr(prebuilt->ins_graph); + + if (prebuilt->sql_stat_start) { + node->state = INS_NODE_SET_IX_LOCK; + prebuilt->sql_stat_start = FALSE; + } else { + node->state = INS_NODE_ALLOC_ROW_ID; + } + + que_thr_move_to_run_state_for_mysql(thr, trx); + +run_again: + thr->run_node = node; + thr->prev_node = node; + + row_ins_step(thr); + + err = trx->error_state; + + if (err != DB_SUCCESS) { + que_thr_stop_for_mysql(thr); + + /* TODO: what is this? */ thr->lock_state= QUE_THR_LOCK_ROW; + + was_lock_wait = row_mysql_handle_errors(&err, trx, thr, + &savept); + thr->lock_state= QUE_THR_LOCK_NOLOCK; + + if (was_lock_wait) { + goto run_again; + } + + trx->op_info = ""; + + return((int) err); + } + + que_thr_stop_for_mysql_no_error(thr, trx); + + prebuilt->table->stat_n_rows++; + + srv_n_rows_inserted++; + + if (prebuilt->table->stat_n_rows == 0) { + /* Avoid wrap-over */ + prebuilt->table->stat_n_rows--; + } + + row_update_statistics_if_needed(prebuilt->table); + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +Builds a dummy query graph used in selects. */ +UNIV_INTERN +void +row_prebuild_sel_graph( +/*===================*/ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL + handle */ +{ + sel_node_t* node; + + ut_ad(prebuilt && prebuilt->trx); + + if (prebuilt->sel_graph == NULL) { + + node = sel_node_create(prebuilt->heap); + + prebuilt->sel_graph = que_node_get_parent( + pars_complete_graph_for_exec(node, + prebuilt->trx, + prebuilt->heap)); + + prebuilt->sel_graph->state = QUE_FORK_ACTIVE; + } +} + +/*********************************************************************//** +Creates an query graph node of 'update' type to be used in the MySQL +interface. +@return own: update node */ +UNIV_INTERN +upd_node_t* +row_create_update_node_for_mysql( +/*=============================*/ + dict_table_t* table, /*!< in: table to update */ + mem_heap_t* heap) /*!< in: mem heap from which allocated */ +{ + upd_node_t* node; + + node = upd_node_create(heap); + + node->in_mysql_interface = TRUE; + node->is_delete = FALSE; + node->searched_update = FALSE; + node->select = NULL; + node->pcur = btr_pcur_create_for_mysql(); + node->table = table; + + node->update = upd_create(dict_table_get_n_cols(table), heap); + + node->update_n_fields = dict_table_get_n_cols(table); + + UT_LIST_INIT(node->columns); + node->has_clust_rec_x_lock = TRUE; + node->cmpl_info = 0; + + node->table_sym = NULL; + node->col_assign_list = NULL; + + return(node); +} + +/*********************************************************************//** +Gets pointer to a prebuilt update vector used in updates. If the update +graph has not yet been built in the prebuilt struct, then this function +first builds it. +@return prebuilt update vector */ +UNIV_INTERN +upd_t* +row_get_prebuilt_update_vector( +/*===========================*/ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL + handle */ +{ + dict_table_t* table = prebuilt->table; + upd_node_t* node; + + ut_ad(prebuilt && table && prebuilt->trx); + + if (prebuilt->upd_node == NULL) { + + /* Not called before for this handle: create an update node + and query graph to the prebuilt struct */ + + node = row_create_update_node_for_mysql(table, prebuilt->heap); + + prebuilt->upd_node = node; + + prebuilt->upd_graph = que_node_get_parent( + pars_complete_graph_for_exec(node, + prebuilt->trx, + prebuilt->heap)); + prebuilt->upd_graph->state = QUE_FORK_ACTIVE; + } + + return(prebuilt->upd_node->update); +} + +/*********************************************************************//** +Does an update or delete of a row for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_update_for_mysql( +/*=================*/ + byte* mysql_rec, /*!< in: the row to be updated, in + the MySQL format */ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL + handle */ +{ + trx_savept_t savept; + ulint err; + que_thr_t* thr; + ibool was_lock_wait; + dict_index_t* clust_index; + /* ulint ref_len; */ + upd_node_t* node; + dict_table_t* table = prebuilt->table; + trx_t* trx = prebuilt->trx; + + ut_ad(prebuilt && trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + UT_NOT_USED(mysql_rec); + + if (prebuilt->table->ibd_file_missing) { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Error:\n" + "InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir, or have you" + " used DISCARD TABLESPACE?\n" + "InnoDB: Look from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + return(DB_ERROR); + } + + if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { + fprintf(stderr, + "InnoDB: Error: trying to free a corrupt\n" + "InnoDB: table handle. Magic n %lu, table name ", + (ulong) prebuilt->magic_n); + ut_print_name(stderr, trx, TRUE, prebuilt->table->name); + putc('\n', stderr); + + mem_analyze_corruption(prebuilt); + + ut_error; + } + + if (UNIV_UNLIKELY(srv_created_new_raw || srv_force_recovery)) { + fputs("InnoDB: A new raw disk partition was initialized or\n" + "InnoDB: innodb_force_recovery is on: we do not allow\n" + "InnoDB: database modifications by the user. Shut down\n" + "InnoDB: mysqld and edit my.cnf so that newraw" + " is replaced\n" + "InnoDB: with raw, and innodb_force_... is removed.\n", + stderr); + + return(DB_ERROR); + } + + trx->op_info = "updating or deleting"; + + row_mysql_delay_if_needed(); + + trx_start_if_not_started(trx); + + node = prebuilt->upd_node; + + clust_index = dict_table_get_first_index(table); + + if (prebuilt->pcur->btr_cur.index == clust_index) { + btr_pcur_copy_stored_position(node->pcur, prebuilt->pcur); + } else { + btr_pcur_copy_stored_position(node->pcur, + prebuilt->clust_pcur); + } + + ut_a(node->pcur->rel_pos == BTR_PCUR_ON); + + /* MySQL seems to call rnd_pos before updating each row it + has cached: we can get the correct cursor position from + prebuilt->pcur; NOTE that we cannot build the row reference + from mysql_rec if the clustered index was automatically + generated for the table: MySQL does not know anything about + the row id used as the clustered index key */ + + savept = trx_savept_take(trx); + + thr = que_fork_get_first_thr(prebuilt->upd_graph); + + node->state = UPD_NODE_UPDATE_CLUSTERED; + + ut_ad(!prebuilt->sql_stat_start); + + que_thr_move_to_run_state_for_mysql(thr, trx); + +run_again: + thr->run_node = node; + thr->prev_node = node; + + row_upd_step(thr); + + err = trx->error_state; + + if (err != DB_SUCCESS) { + que_thr_stop_for_mysql(thr); + + if (err == DB_RECORD_NOT_FOUND) { + trx->error_state = DB_SUCCESS; + trx->op_info = ""; + + return((int) err); + } + + thr->lock_state= QUE_THR_LOCK_ROW; + was_lock_wait = row_mysql_handle_errors(&err, trx, thr, + &savept); + thr->lock_state= QUE_THR_LOCK_NOLOCK; + + if (was_lock_wait) { + goto run_again; + } + + trx->op_info = ""; + + return((int) err); + } + + que_thr_stop_for_mysql_no_error(thr, trx); + + if (node->is_delete) { + if (prebuilt->table->stat_n_rows > 0) { + prebuilt->table->stat_n_rows--; + } + + srv_n_rows_deleted++; + } else { + srv_n_rows_updated++; + } + + row_update_statistics_if_needed(prebuilt->table); + + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +This can only be used when srv_locks_unsafe_for_binlog is TRUE or +this session is using a READ COMMITTED isolation level. Before +calling this function we must use trx_reset_new_rec_lock_info() and +trx_register_new_rec_lock() to store the information which new record locks +really were set. This function removes a newly set lock under prebuilt->pcur, +and also under prebuilt->clust_pcur. Currently, this is only used and tested +in the case of an UPDATE or a DELETE statement, where the row lock is of the +LOCK_X type. +Thus, this implements a 'mini-rollback' that releases the latest record +locks we set. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_unlock_for_mysql( +/*=================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL + handle */ + ibool has_latches_on_recs)/*!< TRUE if called so that we have + the latches on the records under pcur + and clust_pcur, and we do not need to + reposition the cursors. */ +{ + btr_pcur_t* pcur = prebuilt->pcur; + btr_pcur_t* clust_pcur = prebuilt->clust_pcur; + trx_t* trx = prebuilt->trx; + + ut_ad(prebuilt && trx); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + if (UNIV_UNLIKELY + (!srv_locks_unsafe_for_binlog + && trx->isolation_level != TRX_ISO_READ_COMMITTED)) { + + fprintf(stderr, + "InnoDB: Error: calling row_unlock_for_mysql though\n" + "InnoDB: innodb_locks_unsafe_for_binlog is FALSE and\n" + "InnoDB: this session is not using" + " READ COMMITTED isolation level.\n"); + + return(DB_SUCCESS); + } + + trx->op_info = "unlock_row"; + + if (prebuilt->new_rec_locks >= 1) { + + const rec_t* rec; + dict_index_t* index; + trx_id_t rec_trx_id; + mtr_t mtr; + + mtr_start(&mtr); + + /* Restore the cursor position and find the record */ + + if (!has_latches_on_recs) { + btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, &mtr); + } + + rec = btr_pcur_get_rec(pcur); + index = btr_pcur_get_btr_cur(pcur)->index; + + if (prebuilt->new_rec_locks >= 2) { + /* Restore the cursor position and find the record + in the clustered index. */ + + if (!has_latches_on_recs) { + btr_pcur_restore_position(BTR_SEARCH_LEAF, + clust_pcur, &mtr); + } + + rec = btr_pcur_get_rec(clust_pcur); + index = btr_pcur_get_btr_cur(clust_pcur)->index; + } + + if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { + /* This is not a clustered index record. We + do not know how to unlock the record. */ + goto no_unlock; + } + + /* If the record has been modified by this + transaction, do not unlock it. */ + + if (index->trx_id_offset) { + rec_trx_id = trx_read_trx_id(rec + + index->trx_id_offset); + } else { + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + + rec_offs_init(offsets_); + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + rec_trx_id = row_get_rec_trx_id(rec, index, offsets); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + if (ut_dulint_cmp(rec_trx_id, trx->id) != 0) { + /* We did not update the record: unlock it */ + + rec = btr_pcur_get_rec(pcur); + index = btr_pcur_get_btr_cur(pcur)->index; + + lock_rec_unlock(trx, btr_pcur_get_block(pcur), + rec, prebuilt->select_lock_type); + + if (prebuilt->new_rec_locks >= 2) { + rec = btr_pcur_get_rec(clust_pcur); + index = btr_pcur_get_btr_cur(clust_pcur)->index; + + lock_rec_unlock(trx, + btr_pcur_get_block(clust_pcur), + rec, + prebuilt->select_lock_type); + } + } +no_unlock: + mtr_commit(&mtr); + } + + trx->op_info = ""; + + return(DB_SUCCESS); +} + +/**********************************************************************//** +Does a cascaded delete or set null in a foreign key operation. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_update_cascade_for_mysql( +/*=========================*/ + que_thr_t* thr, /*!< in: query thread */ + upd_node_t* node, /*!< in: update node used in the cascade + or set null operation */ + dict_table_t* table) /*!< in: table where we do the operation */ +{ + ulint err; + trx_t* trx; + + trx = thr_get_trx(thr); +run_again: + thr->run_node = node; + thr->prev_node = node; + + row_upd_step(thr); + + err = trx->error_state; + + /* Note that the cascade node is a subnode of another InnoDB + query graph node. We do a normal lock wait in this node, but + all errors are handled by the parent node. */ + + if (err == DB_LOCK_WAIT) { + /* Handle lock wait here */ + + que_thr_stop_for_mysql(thr); + + srv_suspend_mysql_thread(thr); + + /* Note that a lock wait may also end in a lock wait timeout, + or this transaction is picked as a victim in selective + deadlock resolution */ + + if (trx->error_state != DB_SUCCESS) { + + return(trx->error_state); + } + + /* Retry operation after a normal lock wait */ + + goto run_again; + } + + if (err != DB_SUCCESS) { + + return(err); + } + + if (node->is_delete) { + if (table->stat_n_rows > 0) { + table->stat_n_rows--; + } + + srv_n_rows_deleted++; + } else { + srv_n_rows_updated++; + } + + row_update_statistics_if_needed(table); + + return(err); +} + +/*********************************************************************//** +Checks if a table is such that we automatically created a clustered +index on it (on row id). +@return TRUE if the clustered index was generated automatically */ +UNIV_INTERN +ibool +row_table_got_default_clust_index( +/*==============================*/ + const dict_table_t* table) /*!< in: table */ +{ + const dict_index_t* clust_index; + + clust_index = dict_table_get_first_index(table); + + return(dict_index_get_nth_col(clust_index, 0)->mtype == DATA_SYS); +} + +/*********************************************************************//** +Calculates the key number used inside MySQL for an Innobase index. We have +to take into account if we generated a default clustered index for the table +@return the key number used inside MySQL */ +UNIV_INTERN +ulint +row_get_mysql_key_number_for_index( +/*===============================*/ + const dict_index_t* index) /*!< in: index */ +{ + const dict_index_t* ind; + ulint i; + + ut_a(index); + + i = 0; + ind = dict_table_get_first_index(index->table); + + while (index != ind) { + ind = dict_table_get_next_index(ind); + i++; + } + + if (row_table_got_default_clust_index(index->table)) { + ut_a(i > 0); + i--; + } + + return(i); +} + +/*********************************************************************//** +Locks the data dictionary in shared mode from modifications, for performing +foreign key check, rollback, or other operation invisible to MySQL. */ +UNIV_INTERN +void +row_mysql_freeze_data_dictionary_func( +/*==================================*/ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line) /*!< in: line number */ +{ + ut_a(trx->dict_operation_lock_mode == 0); + + rw_lock_s_lock_func(&dict_operation_lock, 0, file, line); + + trx->dict_operation_lock_mode = RW_S_LATCH; +} + +/*********************************************************************//** +Unlocks the data dictionary shared lock. */ +UNIV_INTERN +void +row_mysql_unfreeze_data_dictionary( +/*===============================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + ut_a(trx->dict_operation_lock_mode == RW_S_LATCH); + + rw_lock_s_unlock(&dict_operation_lock); + + trx->dict_operation_lock_mode = 0; +} + +/*********************************************************************//** +Locks the data dictionary exclusively for performing a table create or other +data dictionary modification operation. */ +UNIV_INTERN +void +row_mysql_lock_data_dictionary_func( +/*================================*/ + trx_t* trx, /*!< in/out: transaction */ + const char* file, /*!< in: file name */ + ulint line) /*!< in: line number */ +{ + ut_a(trx->dict_operation_lock_mode == 0 + || trx->dict_operation_lock_mode == RW_X_LATCH); + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks or lock waits can occur then in these operations */ + + rw_lock_x_lock_func(&dict_operation_lock, 0, file, line); + trx->dict_operation_lock_mode = RW_X_LATCH; + + mutex_enter(&(dict_sys->mutex)); +} + +/*********************************************************************//** +Unlocks the data dictionary exclusive lock. */ +UNIV_INTERN +void +row_mysql_unlock_data_dictionary( +/*=============================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + mutex_exit(&(dict_sys->mutex)); + rw_lock_x_unlock(&dict_operation_lock); + + trx->dict_operation_lock_mode = 0; +} + +/*********************************************************************//** +Creates a table for MySQL. If the name of the table ends in +one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", +"innodb_table_monitor", then this will also start the printing of monitor +output by the master thread. If the table name ends in "innodb_mem_validate", +InnoDB will try to invoke mem_validate(). +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_create_table_for_mysql( +/*=======================*/ + dict_table_t* table, /*!< in, own: table definition + (will be freed) */ + trx_t* trx) /*!< in: transaction handle */ +{ + tab_node_t* node; + mem_heap_t* heap; + que_thr_t* thr; + const char* table_name; + ulint table_name_len; + ulint err; + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(trx->dict_operation_lock_mode == RW_X_LATCH); + + if (srv_created_new_raw) { + fputs("InnoDB: A new raw disk partition was initialized:\n" + "InnoDB: we do not allow database modifications" + " by the user.\n" + "InnoDB: Shut down mysqld and edit my.cnf so that newraw" + " is replaced with raw.\n", stderr); +err_exit: + dict_mem_table_free(table); + trx_commit_for_mysql(trx); + + return(DB_ERROR); + } + + trx->op_info = "creating table"; + + if (row_mysql_is_system_table(table->name)) { + + fprintf(stderr, + "InnoDB: Error: trying to create a MySQL system" + " table %s of type InnoDB.\n" + "InnoDB: MySQL system tables must be" + " of the MyISAM type!\n", + table->name); + goto err_exit; + } + + trx_start_if_not_started(trx); + + /* The table name is prefixed with the database name and a '/'. + Certain table names starting with 'innodb_' have their special + meaning regardless of the database name. Thus, we need to + ignore the database name prefix in the comparisons. */ + table_name = strchr(table->name, '/'); + ut_a(table_name); + table_name++; + table_name_len = strlen(table_name) + 1; + + if (STR_EQ(table_name, table_name_len, S_innodb_monitor)) { + + /* Table equals "innodb_monitor": + start monitor prints */ + + srv_print_innodb_monitor = TRUE; + + /* The lock timeout monitor thread also takes care + of InnoDB monitor prints */ + + os_event_set(srv_lock_timeout_thread_event); + } else if (STR_EQ(table_name, table_name_len, + S_innodb_lock_monitor)) { + + srv_print_innodb_monitor = TRUE; + srv_print_innodb_lock_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + } else if (STR_EQ(table_name, table_name_len, + S_innodb_tablespace_monitor)) { + + srv_print_innodb_tablespace_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + } else if (STR_EQ(table_name, table_name_len, + S_innodb_table_monitor)) { + + srv_print_innodb_table_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + } else if (STR_EQ(table_name, table_name_len, + S_innodb_mem_validate)) { + /* We define here a debugging feature intended for + developers */ + + fputs("Validating InnoDB memory:\n" + "to use this feature you must compile InnoDB with\n" + "UNIV_MEM_DEBUG defined in univ.i and" + " the server must be\n" + "quiet because allocation from a mem heap" + " is not protected\n" + "by any semaphore.\n", stderr); +#ifdef UNIV_MEM_DEBUG + ut_a(mem_validate()); + fputs("Memory validated\n", stderr); +#else /* UNIV_MEM_DEBUG */ + fputs("Memory NOT validated (recompile with UNIV_MEM_DEBUG)\n", + stderr); +#endif /* UNIV_MEM_DEBUG */ + } + + heap = mem_heap_create(512); + + trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); + + node = tab_create_graph_create(table, heap); + + thr = pars_complete_graph_for_exec(node, trx, heap); + + ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); + que_run_threads(thr); + + err = trx->error_state; + + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + /* TO DO: free table? The code below will dereference + table->name, though. */ + } + + switch (err) { + case DB_OUT_OF_FILE_SPACE: + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: cannot create table ", + stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs(" because tablespace full\n", stderr); + + if (dict_table_get_low(table->name)) { + + row_drop_table_for_mysql(table->name, trx, FALSE); + trx_commit_for_mysql(trx); + } + break; + + case DB_DUPLICATE_KEY: + /* We may also get err == DB_ERROR if the .ibd file for the + table already exists */ + + break; + } + + que_graph_free((que_t*) que_node_get_parent(thr)); + + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +Does an index creation operation for MySQL. TODO: currently failure +to create an index results in dropping the whole table! This is no problem +currently as all indexes must be created at the same time as the table. +@return error number or DB_SUCCESS */ +UNIV_INTERN +int +row_create_index_for_mysql( +/*=======================*/ + dict_index_t* index, /*!< in, own: index definition + (will be freed) */ + trx_t* trx, /*!< in: transaction handle */ + const ulint* field_lengths) /*!< in: if not NULL, must contain + dict_index_get_n_fields(index) + actual field lengths for the + index columns, which are + then checked for not being too + large. */ +{ + ind_node_t* node; + mem_heap_t* heap; + que_thr_t* thr; + ulint err; + ulint i; + ulint len; + char* table_name; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(mutex_own(&(dict_sys->mutex))); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + trx->op_info = "creating index"; + + /* Copy the table name because we may want to drop the + table later, after the index object is freed (inside + que_run_threads()) and thus index->table_name is not available. */ + table_name = mem_strdup(index->table_name); + + trx_start_if_not_started(trx); + + /* Check that the same column does not appear twice in the index. + Starting from 4.0.14, InnoDB should be able to cope with that, but + safer not to allow them. */ + + for (i = 0; i < dict_index_get_n_fields(index); i++) { + ulint j; + + for (j = 0; j < i; j++) { + if (0 == ut_strcmp( + dict_index_get_nth_field(index, j)->name, + dict_index_get_nth_field(index, i)->name)) { + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: column ", stderr); + ut_print_name(stderr, trx, FALSE, + dict_index_get_nth_field( + index, i)->name); + fputs(" appears twice in ", stderr); + dict_index_name_print(stderr, trx, index); + fputs("\n" + "InnoDB: This is not allowed" + " in InnoDB.\n", stderr); + + err = DB_COL_APPEARS_TWICE_IN_INDEX; + + goto error_handling; + } + } + + /* Check also that prefix_len and actual length + < DICT_MAX_INDEX_COL_LEN */ + + len = dict_index_get_nth_field(index, i)->prefix_len; + + if (field_lengths) { + len = ut_max(len, field_lengths[i]); + } + + if (len >= DICT_MAX_INDEX_COL_LEN) { + err = DB_TOO_BIG_RECORD; + + goto error_handling; + } + } + + heap = mem_heap_create(512); + + trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); + + /* Note that the space id where we store the index is inherited from + the table in dict_build_index_def_step() in dict0crea.c. */ + + node = ind_create_graph_create(index, heap); + + thr = pars_complete_graph_for_exec(node, trx, heap); + + ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); + que_run_threads(thr); + + err = trx->error_state; + + que_graph_free((que_t*) que_node_get_parent(thr)); + +error_handling: + if (err != DB_SUCCESS) { + /* We have special error handling here */ + + trx->error_state = DB_SUCCESS; + + trx_general_rollback_for_mysql(trx, NULL); + + row_drop_table_for_mysql(table_name, trx, FALSE); + + trx_commit_for_mysql(trx); + + trx->error_state = DB_SUCCESS; + } + + trx->op_info = ""; + + mem_free(table_name); + + return((int) err); +} + +/*********************************************************************//** +Scans a table create SQL string and adds to the data dictionary +the foreign key constraints declared in the string. This function +should be called after the indexes for a table have been created. +Each foreign key constraint must be accompanied with indexes in +both participating tables. The indexes are allowed to contain more +fields than mentioned in the constraint. Check also that foreign key +constraints which reference this table are ok. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_table_add_foreign_constraints( +/*==============================*/ + trx_t* trx, /*!< in: transaction */ + const char* sql_string, /*!< in: table create statement where + foreign keys are declared like: + FOREIGN KEY (a, b) REFERENCES table2(c, d), + table2 can be written also with the + database name before it: test.table2 */ + const char* name, /*!< in: table full name in the + normalized form + database_name/table_name */ + ibool reject_fks) /*!< in: if TRUE, fail with error + code DB_CANNOT_ADD_CONSTRAINT if + any foreign keys are found. */ +{ + ulint err; + + ut_ad(mutex_own(&(dict_sys->mutex))); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_a(sql_string); + + trx->op_info = "adding foreign keys"; + + trx_start_if_not_started(trx); + + trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); + + err = dict_create_foreign_constraints(trx, sql_string, name, + reject_fks); + if (err == DB_SUCCESS) { + /* Check that also referencing constraints are ok */ + err = dict_load_foreigns(name, TRUE); + } + + if (err != DB_SUCCESS) { + /* We have special error handling here */ + + trx->error_state = DB_SUCCESS; + + trx_general_rollback_for_mysql(trx, NULL); + + row_drop_table_for_mysql(name, trx, FALSE); + + trx_commit_for_mysql(trx); + + trx->error_state = DB_SUCCESS; + } + + return((int) err); +} + +/*********************************************************************//** +Drops a table for MySQL as a background operation. MySQL relies on Unix +in ALTER TABLE to the fact that the table handler does not remove the +table before all handles to it has been removed. Furhermore, the MySQL's +call to drop table must be non-blocking. Therefore we do the drop table +as a background operation, which is taken care of by the master thread +in srv0srv.c. +@return error code or DB_SUCCESS */ +static +int +row_drop_table_for_mysql_in_background( +/*===================================*/ + const char* name) /*!< in: table name */ +{ + ulint error; + trx_t* trx; + + trx = trx_allocate_for_background(); + + /* If the original transaction was dropping a table referenced by + foreign keys, we must set the following to be able to drop the + table: */ + + trx->check_foreigns = FALSE; + + /* fputs("InnoDB: Error: Dropping table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs(" in background drop list\n", stderr); */ + + /* Try to drop the table in InnoDB */ + + error = row_drop_table_for_mysql(name, trx, FALSE); + + /* Flush the log to reduce probability that the .frm files and + the InnoDB data dictionary get out-of-sync if the user runs + with innodb_flush_log_at_trx_commit = 0 */ + + log_buffer_flush_to_disk(); + + trx_commit_for_mysql(trx); + + trx_free_for_background(trx); + + return((int) error); +} + +/*********************************************************************//** +The master thread in srv0srv.c calls this regularly to drop tables which +we must drop in background after queries to them have ended. Such lazy +dropping of tables is needed in ALTER TABLE on Unix. +@return how many tables dropped + remaining tables in list */ +UNIV_INTERN +ulint +row_drop_tables_for_mysql_in_background(void) +/*=========================================*/ +{ + row_mysql_drop_t* drop; + dict_table_t* table; + ulint n_tables; + ulint n_tables_dropped = 0; +loop: + mutex_enter(&kernel_mutex); + + if (!row_mysql_drop_list_inited) { + + UT_LIST_INIT(row_mysql_drop_list); + row_mysql_drop_list_inited = TRUE; + } + + drop = UT_LIST_GET_FIRST(row_mysql_drop_list); + + n_tables = UT_LIST_GET_LEN(row_mysql_drop_list); + + mutex_exit(&kernel_mutex); + + if (drop == NULL) { + /* All tables dropped */ + + return(n_tables + n_tables_dropped); + } + + mutex_enter(&(dict_sys->mutex)); + table = dict_table_get_low(drop->table_name); + mutex_exit(&(dict_sys->mutex)); + + if (table == NULL) { + /* If for some reason the table has already been dropped + through some other mechanism, do not try to drop it */ + + goto already_dropped; + } + + if (DB_SUCCESS != row_drop_table_for_mysql_in_background( + drop->table_name)) { + /* If the DROP fails for some table, we return, and let the + main thread retry later */ + + return(n_tables + n_tables_dropped); + } + + n_tables_dropped++; + +already_dropped: + mutex_enter(&kernel_mutex); + + UT_LIST_REMOVE(row_mysql_drop_list, row_mysql_drop_list, drop); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Dropped table ", stderr); + ut_print_name(stderr, NULL, TRUE, drop->table_name); + fputs(" in background drop queue.\n", stderr); + + mem_free(drop->table_name); + + mem_free(drop); + + mutex_exit(&kernel_mutex); + + goto loop; +} + +/*********************************************************************//** +Get the background drop list length. NOTE: the caller must own the kernel +mutex! +@return how many tables in list */ +UNIV_INTERN +ulint +row_get_background_drop_list_len_low(void) +/*======================================*/ +{ + ut_ad(mutex_own(&kernel_mutex)); + + if (!row_mysql_drop_list_inited) { + + UT_LIST_INIT(row_mysql_drop_list); + row_mysql_drop_list_inited = TRUE; + } + + return(UT_LIST_GET_LEN(row_mysql_drop_list)); +} + +/*********************************************************************//** +If a table is not yet in the drop list, adds the table to the list of tables +which the master thread drops in background. We need this on Unix because in +ALTER TABLE MySQL may call drop table even if the table has running queries on +it. Also, if there are running foreign key checks on the table, we drop the +table lazily. +@return TRUE if the table was not yet in the drop list, and was added there */ +static +ibool +row_add_table_to_background_drop_list( +/*==================================*/ + const char* name) /*!< in: table name */ +{ + row_mysql_drop_t* drop; + + mutex_enter(&kernel_mutex); + + if (!row_mysql_drop_list_inited) { + + UT_LIST_INIT(row_mysql_drop_list); + row_mysql_drop_list_inited = TRUE; + } + + /* Look if the table already is in the drop list */ + drop = UT_LIST_GET_FIRST(row_mysql_drop_list); + + while (drop != NULL) { + if (strcmp(drop->table_name, name) == 0) { + /* Already in the list */ + + mutex_exit(&kernel_mutex); + + return(FALSE); + } + + drop = UT_LIST_GET_NEXT(row_mysql_drop_list, drop); + } + + drop = mem_alloc(sizeof(row_mysql_drop_t)); + + drop->table_name = mem_strdup(name); + + UT_LIST_ADD_LAST(row_mysql_drop_list, row_mysql_drop_list, drop); + + /* fputs("InnoDB: Adding table ", stderr); + ut_print_name(stderr, trx, TRUE, drop->table_name); + fputs(" to background drop list\n", stderr); */ + + mutex_exit(&kernel_mutex); + + return(TRUE); +} + +/*********************************************************************//** +Discards the tablespace of a table which stored in an .ibd file. Discarding +means that this function deletes the .ibd file and assigns a new table id for +the table. Also the flag table->ibd_file_missing is set TRUE. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_discard_tablespace_for_mysql( +/*=============================*/ + const char* name, /*!< in: table name */ + trx_t* trx) /*!< in: transaction handle */ +{ + dict_foreign_t* foreign; + dulint new_id; + dict_table_t* table; + ibool success; + ulint err; + pars_info_t* info = NULL; + + /* How do we prevent crashes caused by ongoing operations on + the table? Old operations could try to access non-existent + pages. + + 1) SQL queries, INSERT, SELECT, ...: we must get an exclusive + MySQL table lock on the table before we can do DISCARD + TABLESPACE. Then there are no running queries on the table. + + 2) Purge and rollback: we assign a new table id for the + table. Since purge and rollback look for the table based on + the table id, they see the table as 'dropped' and discard + their operations. + + 3) Insert buffer: we remove all entries for the tablespace in + the insert buffer tree; as long as the tablespace mem object + does not exist, ongoing insert buffer page merges are + discarded in buf0rea.c. If we recreate the tablespace mem + object with IMPORT TABLESPACE later, then the tablespace will + have the same id, but the tablespace_version field in the mem + object is different, and ongoing old insert buffer page merges + get discarded. + + 4) Linear readahead and random readahead: we use the same + method as in 3) to discard ongoing operations. + + 5) FOREIGN KEY operations: if + table->n_foreign_key_checks_running > 0, we do not allow the + discard. We also reserve the data dictionary latch. */ + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + trx->op_info = "discarding tablespace"; + trx_start_if_not_started(trx); + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + row_mysql_lock_data_dictionary(trx); + + table = dict_table_get_low(name); + + if (!table) { + err = DB_TABLE_NOT_FOUND; + + goto funct_exit; + } + + if (table->space == 0) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: is in the system tablespace 0" + " which cannot be discarded\n", stderr); + err = DB_ERROR; + + goto funct_exit; + } + + if (table->n_foreign_key_checks_running > 0) { + + ut_print_timestamp(stderr); + fputs(" InnoDB: You are trying to DISCARD table ", stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs("\n" + "InnoDB: though there is a foreign key check" + " running on it.\n" + "InnoDB: Cannot discard the table.\n", + stderr); + + err = DB_ERROR; + + goto funct_exit; + } + + /* Check if the table is referenced by foreign key constraints from + some other table (not the table itself) */ + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign && foreign->foreign_table == table) { + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + if (foreign && trx->check_foreigns) { + + FILE* ef = dict_foreign_err_file; + + /* We only allow discarding a referenced table if + FOREIGN_KEY_CHECKS is set to 0 */ + + err = DB_CANNOT_DROP_CONSTRAINT; + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + + fputs(" Cannot DISCARD table ", ef); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "because it is referenced by ", ef); + ut_print_name(stderr, trx, TRUE, foreign->foreign_table_name); + putc('\n', ef); + mutex_exit(&dict_foreign_err_mutex); + + goto funct_exit; + } + + new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + + /* Remove all locks except the table-level S and X locks. */ + lock_remove_all_on_table(table, FALSE); + + info = pars_info_create(); + + pars_info_add_str_literal(info, "table_name", name); + pars_info_add_dulint_literal(info, "new_id", new_id); + + err = que_eval_sql(info, + "PROCEDURE DISCARD_TABLESPACE_PROC () IS\n" + "old_id CHAR;\n" + "BEGIN\n" + "SELECT ID INTO old_id\n" + "FROM SYS_TABLES\n" + "WHERE NAME = :table_name\n" + "LOCK IN SHARE MODE;\n" + "IF (SQL % NOTFOUND) THEN\n" + " COMMIT WORK;\n" + " RETURN;\n" + "END IF;\n" + "UPDATE SYS_TABLES SET ID = :new_id\n" + " WHERE ID = old_id;\n" + "UPDATE SYS_COLUMNS SET TABLE_ID = :new_id\n" + " WHERE TABLE_ID = old_id;\n" + "UPDATE SYS_INDEXES SET TABLE_ID = :new_id\n" + " WHERE TABLE_ID = old_id;\n" + "COMMIT WORK;\n" + "END;\n" + , FALSE, trx); + + if (err != DB_SUCCESS) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + } else { + dict_table_change_id_in_cache(table, new_id); + + success = fil_discard_tablespace(table->space); + + if (!success) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + + err = DB_ERROR; + } else { + /* Set the flag which tells that now it is legal to + IMPORT a tablespace for this table */ + table->tablespace_discarded = TRUE; + table->ibd_file_missing = TRUE; + } + } + +funct_exit: + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + + trx->op_info = ""; + + return((int) err); +} + +/*****************************************************************//** +Imports a tablespace. The space id in the .ibd file must match the space id +of the table in the data dictionary. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_import_tablespace_for_mysql( +/*============================*/ + const char* name, /*!< in: table name */ + trx_t* trx) /*!< in: transaction handle */ +{ + dict_table_t* table; + ibool success; + ib_uint64_t current_lsn; + ulint err = DB_SUCCESS; + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + trx_start_if_not_started(trx); + + trx->op_info = "importing tablespace"; + + current_lsn = log_get_lsn(); + + /* It is possible, though very improbable, that the lsn's in the + tablespace to be imported have risen above the current system lsn, if + a lengthy purge, ibuf merge, or rollback was performed on a backup + taken with ibbackup. If that is the case, reset page lsn's in the + file. We assume that mysqld was shut down after it performed these + cleanup operations on the .ibd file, so that it stamped the latest lsn + to the FIL_PAGE_FILE_FLUSH_LSN in the first page of the .ibd file. + + TODO: reset also the trx id's in clustered index records and write + a new space id to each data page. That would allow us to import clean + .ibd files from another MySQL installation. */ + + success = fil_reset_too_high_lsns(name, current_lsn); + + if (!success) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: cannot reset lsn's in table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", + stderr); + + err = DB_ERROR; + + row_mysql_lock_data_dictionary(trx); + + goto funct_exit; + } + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + row_mysql_lock_data_dictionary(trx); + + table = dict_table_get_low(name); + + if (!table) { + ut_print_timestamp(stderr); + fputs(" InnoDB: table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: does not exist in the InnoDB data dictionary\n" + "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", + stderr); + + err = DB_TABLE_NOT_FOUND; + + goto funct_exit; + } + + if (table->space == 0) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: is in the system tablespace 0" + " which cannot be imported\n", stderr); + err = DB_ERROR; + + goto funct_exit; + } + + if (!table->tablespace_discarded) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: you are trying to" + " IMPORT a tablespace\n" + "InnoDB: ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs(", though you have not called DISCARD on it yet\n" + "InnoDB: during the lifetime of the mysqld process!\n", + stderr); + + err = DB_ERROR; + + goto funct_exit; + } + + /* Play safe and remove all insert buffer entries, though we should + have removed them already when DISCARD TABLESPACE was called */ + + ibuf_delete_for_discarded_space(table->space); + + success = fil_open_single_table_tablespace( + TRUE, table->space, + table->flags == DICT_TF_COMPACT ? 0 : table->flags, + table->name); + if (success) { + table->ibd_file_missing = FALSE; + table->tablespace_discarded = FALSE; + } else { + if (table->ibd_file_missing) { + ut_print_timestamp(stderr); + fputs(" InnoDB: cannot find or open in the" + " database directory the .ibd file of\n" + "InnoDB: table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", + stderr); + } + + err = DB_ERROR; + } + +funct_exit: + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + + trx->op_info = ""; + + return((int) err); +} + +/*********************************************************************//** +Truncates a table for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_truncate_table_for_mysql( +/*=========================*/ + dict_table_t* table, /*!< in: table handle */ + trx_t* trx) /*!< in: transaction handle */ +{ + dict_foreign_t* foreign; + ulint err; + mem_heap_t* heap; + byte* buf; + dtuple_t* tuple; + dfield_t* dfield; + dict_index_t* sys_index; + btr_pcur_t pcur; + mtr_t mtr; + dulint new_id; + ulint recreate_space = 0; + pars_info_t* info = NULL; + + /* How do we prevent crashes caused by ongoing operations on + the table? Old operations could try to access non-existent + pages. + + 1) SQL queries, INSERT, SELECT, ...: we must get an exclusive + MySQL table lock on the table before we can do TRUNCATE + TABLE. Then there are no running queries on the table. This is + guaranteed, because in ha_innobase::store_lock(), we do not + weaken the TL_WRITE lock requested by MySQL when executing + SQLCOM_TRUNCATE. + + 2) Purge and rollback: we assign a new table id for the + table. Since purge and rollback look for the table based on + the table id, they see the table as 'dropped' and discard + their operations. + + 3) Insert buffer: TRUNCATE TABLE is analogous to DROP TABLE, + so we do not have to remove insert buffer records, as the + insert buffer works at a low level. If a freed page is later + reallocated, the allocator will remove the ibuf entries for + it. + + When we truncate *.ibd files by recreating them (analogous to + DISCARD TABLESPACE), we remove all entries for the table in the + insert buffer tree. This is not strictly necessary, because + in 6) we will assign a new tablespace identifier, but we can + free up some space in the system tablespace. + + 4) Linear readahead and random readahead: we use the same + method as in 3) to discard ongoing operations. (This is only + relevant for TRUNCATE TABLE by DISCARD TABLESPACE.) + + 5) FOREIGN KEY operations: if + table->n_foreign_key_checks_running > 0, we do not allow the + TRUNCATE. We also reserve the data dictionary latch. + + 6) Crash recovery: To prevent the application of pre-truncation + redo log records on the truncated tablespace, we will assign + a new tablespace identifier to the truncated tablespace. */ + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + ut_ad(table); + + if (srv_created_new_raw) { + fputs("InnoDB: A new raw disk partition was initialized:\n" + "InnoDB: we do not allow database modifications" + " by the user.\n" + "InnoDB: Shut down mysqld and edit my.cnf so that newraw" + " is replaced with raw.\n", stderr); + + return(DB_ERROR); + } + + trx->op_info = "truncating table"; + + trx_start_if_not_started(trx); + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + ut_a(trx->dict_operation_lock_mode == 0); + /* Prevent foreign key checks etc. while we are truncating the + table */ + + row_mysql_lock_data_dictionary(trx); + + ut_ad(mutex_own(&(dict_sys->mutex))); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + /* Check if the table is referenced by foreign key constraints from + some other table (not the table itself) */ + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign && foreign->foreign_table == table) { + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + if (foreign && trx->check_foreigns) { + FILE* ef = dict_foreign_err_file; + + /* We only allow truncating a referenced table if + FOREIGN_KEY_CHECKS is set to 0 */ + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + + fputs(" Cannot truncate table ", ef); + ut_print_name(ef, trx, TRUE, table->name); + fputs(" by DROP+CREATE\n" + "InnoDB: because it is referenced by ", ef); + ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); + putc('\n', ef); + mutex_exit(&dict_foreign_err_mutex); + + err = DB_ERROR; + goto funct_exit; + } + + /* TODO: could we replace the counter n_foreign_key_checks_running + with lock checks on the table? Acquire here an exclusive lock on the + table, and rewrite lock0lock.c and the lock wait in srv0srv.c so that + they can cope with the table having been truncated here? Foreign key + checks take an IS or IX lock on the table. */ + + if (table->n_foreign_key_checks_running > 0) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Cannot truncate table ", stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs(" by DROP+CREATE\n" + "InnoDB: because there is a foreign key check" + " running on it.\n", + stderr); + err = DB_ERROR; + + goto funct_exit; + } + + /* Remove all locks except the table-level S and X locks. */ + lock_remove_all_on_table(table, FALSE); + + trx->table_id = table->id; + + if (table->space && !table->dir_path_of_temp_table) { + /* Discard and create the single-table tablespace. */ + ulint space = table->space; + ulint flags = fil_space_get_flags(space); + + if (flags != ULINT_UNDEFINED + && fil_discard_tablespace(space)) { + + dict_index_t* index; + + space = 0; + + if (fil_create_new_single_table_tablespace( + &space, table->name, FALSE, flags, + FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: TRUNCATE TABLE %s failed to" + " create a new tablespace\n", + table->name); + table->ibd_file_missing = 1; + err = DB_ERROR; + goto funct_exit; + } + + recreate_space = space; + + /* Replace the space_id in the data dictionary cache. + The persisent data dictionary (SYS_TABLES.SPACE + and SYS_INDEXES.SPACE) are updated later in this + function. */ + table->space = space; + index = dict_table_get_first_index(table); + do { + index->space = space; + index = dict_table_get_next_index(index); + } while (index); + + mtr_start(&mtr); + fsp_header_init(space, + FIL_IBD_FILE_INITIAL_SIZE, &mtr); + mtr_commit(&mtr); + } + } + + /* scan SYS_INDEXES for all indexes of the table */ + heap = mem_heap_create(800); + + tuple = dtuple_create(heap, 1); + dfield = dtuple_get_nth_field(tuple, 0); + + buf = mem_heap_alloc(heap, 8); + mach_write_to_8(buf, table->id); + + dfield_set_data(dfield, buf, 8); + sys_index = dict_table_get_first_index(dict_sys->sys_indexes); + dict_index_copy_types(tuple, sys_index, 1); + + mtr_start(&mtr); + btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, + BTR_MODIFY_LEAF, &pcur, &mtr); + for (;;) { + rec_t* rec; + const byte* field; + ulint len; + ulint root_page_no; + + if (!btr_pcur_is_on_user_rec(&pcur)) { + /* The end of SYS_INDEXES has been reached. */ + break; + } + + rec = btr_pcur_get_rec(&pcur); + + field = rec_get_nth_field_old(rec, 0, &len); + ut_ad(len == 8); + + if (memcmp(buf, field, len) != 0) { + /* End of indexes for the table (TABLE_ID mismatch). */ + break; + } + + if (rec_get_deleted_flag(rec, FALSE)) { + /* The index has been dropped. */ + goto next_rec; + } + + /* This call may commit and restart mtr + and reposition pcur. */ + root_page_no = dict_truncate_index_tree(table, recreate_space, + &pcur, &mtr); + + rec = btr_pcur_get_rec(&pcur); + + if (root_page_no != FIL_NULL) { + page_rec_write_index_page_no( + rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, + root_page_no, &mtr); + /* We will need to commit and restart the + mini-transaction in order to avoid deadlocks. + The dict_truncate_index_tree() call has allocated + a page in this mini-transaction, and the rest of + this loop could latch another index page. */ + mtr_commit(&mtr); + mtr_start(&mtr); + btr_pcur_restore_position(BTR_MODIFY_LEAF, + &pcur, &mtr); + } + +next_rec: + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + mem_heap_free(heap); + + new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + + info = pars_info_create(); + + pars_info_add_int4_literal(info, "space", (lint) table->space); + pars_info_add_dulint_literal(info, "old_id", table->id); + pars_info_add_dulint_literal(info, "new_id", new_id); + + err = que_eval_sql(info, + "PROCEDURE RENUMBER_TABLESPACE_PROC () IS\n" + "BEGIN\n" + "UPDATE SYS_TABLES" + " SET ID = :new_id, SPACE = :space\n" + " WHERE ID = :old_id;\n" + "UPDATE SYS_COLUMNS SET TABLE_ID = :new_id\n" + " WHERE TABLE_ID = :old_id;\n" + "UPDATE SYS_INDEXES" + " SET TABLE_ID = :new_id, SPACE = :space\n" + " WHERE TABLE_ID = :old_id;\n" + "COMMIT WORK;\n" + "END;\n" + , FALSE, trx); + + if (err != DB_SUCCESS) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + ut_print_timestamp(stderr); + fputs(" InnoDB: Unable to assign a new identifier to table ", + stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs("\n" + "InnoDB: after truncating it. Background processes" + " may corrupt the table!\n", stderr); + err = DB_ERROR; + } else { + dict_table_change_id_in_cache(table, new_id); + } + + /* MySQL calls ha_innobase::reset_auto_increment() which does + the same thing. */ + dict_table_autoinc_lock(table); + dict_table_autoinc_initialize(table, 1); + dict_table_autoinc_unlock(table); + dict_update_statistics(table); + + trx_commit_for_mysql(trx); + +funct_exit: + + row_mysql_unlock_data_dictionary(trx); + + trx->op_info = ""; + + srv_wake_master_thread(); + + return((int) err); +} + +/*********************************************************************//** +Drops a table for MySQL. If the name of the dropped table ends in +one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", +"innodb_table_monitor", then this will also stop the printing of monitor +output by the master thread. If the data dictionary was not already locked +by the transaction, the transaction will be committed. Otherwise, the +data dictionary will remain locked. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_drop_table_for_mysql( +/*=====================*/ + const char* name, /*!< in: table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool drop_db)/*!< in: TRUE=dropping whole database */ +{ + dict_foreign_t* foreign; + dict_table_t* table; + ulint space_id; + ulint err; + const char* table_name; + ulint namelen; + ibool locked_dictionary = FALSE; + pars_info_t* info = NULL; + + ut_a(name != NULL); + + if (srv_created_new_raw) { + fputs("InnoDB: A new raw disk partition was initialized:\n" + "InnoDB: we do not allow database modifications" + " by the user.\n" + "InnoDB: Shut down mysqld and edit my.cnf so that newraw" + " is replaced with raw.\n", stderr); + + return(DB_ERROR); + } + + trx->op_info = "dropping table"; + + trx_start_if_not_started(trx); + + /* The table name is prefixed with the database name and a '/'. + Certain table names starting with 'innodb_' have their special + meaning regardless of the database name. Thus, we need to + ignore the database name prefix in the comparisons. */ + table_name = strchr(name, '/'); + ut_a(table_name); + table_name++; + namelen = strlen(table_name) + 1; + + if (namelen == sizeof S_innodb_monitor + && !memcmp(table_name, S_innodb_monitor, + sizeof S_innodb_monitor)) { + + /* Table name equals "innodb_monitor": + stop monitor prints */ + + srv_print_innodb_monitor = FALSE; + srv_print_innodb_lock_monitor = FALSE; + } else if (namelen == sizeof S_innodb_lock_monitor + && !memcmp(table_name, S_innodb_lock_monitor, + sizeof S_innodb_lock_monitor)) { + srv_print_innodb_monitor = FALSE; + srv_print_innodb_lock_monitor = FALSE; + } else if (namelen == sizeof S_innodb_tablespace_monitor + && !memcmp(table_name, S_innodb_tablespace_monitor, + sizeof S_innodb_tablespace_monitor)) { + + srv_print_innodb_tablespace_monitor = FALSE; + } else if (namelen == sizeof S_innodb_table_monitor + && !memcmp(table_name, S_innodb_table_monitor, + sizeof S_innodb_table_monitor)) { + + srv_print_innodb_table_monitor = FALSE; + } + + /* Serialize data dictionary operations with dictionary mutex: + no deadlocks can occur then in these operations */ + + if (trx->dict_operation_lock_mode != RW_X_LATCH) { + /* Prevent foreign key checks etc. while we are dropping the + table */ + + row_mysql_lock_data_dictionary(trx); + + locked_dictionary = TRUE; + } + + ut_ad(mutex_own(&(dict_sys->mutex))); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + table = dict_table_get_low(name); + + if (!table) { + err = DB_TABLE_NOT_FOUND; + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: table ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs(" does not exist in the InnoDB internal\n" + "InnoDB: data dictionary though MySQL is" + " trying to drop it.\n" + "InnoDB: Have you copied the .frm file" + " of the table to the\n" + "InnoDB: MySQL database directory" + " from another database?\n" + "InnoDB: You can look for further help from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", + stderr); + goto funct_exit; + } + + /* Check if the table is referenced by foreign key constraints from + some other table (not the table itself) */ + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign && foreign->foreign_table == table) { +check_next_foreign: + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + if (foreign && trx->check_foreigns + && !(drop_db && dict_tables_have_same_db( + name, foreign->foreign_table_name))) { + FILE* ef = dict_foreign_err_file; + + /* We only allow dropping a referenced table if + FOREIGN_KEY_CHECKS is set to 0 */ + + err = DB_CANNOT_DROP_CONSTRAINT; + + mutex_enter(&dict_foreign_err_mutex); + rewind(ef); + ut_print_timestamp(ef); + + fputs(" Cannot drop table ", ef); + ut_print_name(ef, trx, TRUE, name); + fputs("\n" + "because it is referenced by ", ef); + ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); + putc('\n', ef); + mutex_exit(&dict_foreign_err_mutex); + + goto funct_exit; + } + + if (foreign && trx->check_foreigns) { + goto check_next_foreign; + } + + if (table->n_mysql_handles_opened > 0) { + ibool added; + + added = row_add_table_to_background_drop_list(table->name); + + if (added) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: MySQL is" + " trying to drop table ", stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs("\n" + "InnoDB: though there are still" + " open handles to it.\n" + "InnoDB: Adding the table to the" + " background drop queue.\n", + stderr); + + /* We return DB_SUCCESS to MySQL though the drop will + happen lazily later */ + err = DB_SUCCESS; + } else { + /* The table is already in the background drop list */ + err = DB_ERROR; + } + + goto funct_exit; + } + + /* TODO: could we replace the counter n_foreign_key_checks_running + with lock checks on the table? Acquire here an exclusive lock on the + table, and rewrite lock0lock.c and the lock wait in srv0srv.c so that + they can cope with the table having been dropped here? Foreign key + checks take an IS or IX lock on the table. */ + + if (table->n_foreign_key_checks_running > 0) { + + const char* table_name = table->name; + ibool added; + + added = row_add_table_to_background_drop_list(table_name); + + if (added) { + ut_print_timestamp(stderr); + fputs(" InnoDB: You are trying to drop table ", + stderr); + ut_print_name(stderr, trx, TRUE, table_name); + fputs("\n" + "InnoDB: though there is a" + " foreign key check running on it.\n" + "InnoDB: Adding the table to" + " the background drop queue.\n", + stderr); + + /* We return DB_SUCCESS to MySQL though the drop will + happen lazily later */ + + err = DB_SUCCESS; + } else { + /* The table is already in the background drop list */ + err = DB_ERROR; + } + + goto funct_exit; + } + + /* Remove all locks there are on the table or its records */ + lock_remove_all_on_table(table, TRUE); + + trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); + trx->table_id = table->id; + + /* We use the private SQL parser of Innobase to generate the + query graphs needed in deleting the dictionary data from system + tables in Innobase. Deleting a row from SYS_INDEXES table also + frees the file segments of the B-tree associated with the index. */ + + info = pars_info_create(); + + pars_info_add_str_literal(info, "table_name", name); + + err = que_eval_sql(info, + "PROCEDURE DROP_TABLE_PROC () IS\n" + "sys_foreign_id CHAR;\n" + "table_id CHAR;\n" + "index_id CHAR;\n" + "foreign_id CHAR;\n" + "found INT;\n" + "BEGIN\n" + "SELECT ID INTO table_id\n" + "FROM SYS_TABLES\n" + "WHERE NAME = :table_name\n" + "LOCK IN SHARE MODE;\n" + "IF (SQL % NOTFOUND) THEN\n" + " RETURN;\n" + "END IF;\n" + "found := 1;\n" + "SELECT ID INTO sys_foreign_id\n" + "FROM SYS_TABLES\n" + "WHERE NAME = 'SYS_FOREIGN'\n" + "LOCK IN SHARE MODE;\n" + "IF (SQL % NOTFOUND) THEN\n" + " found := 0;\n" + "END IF;\n" + "IF (:table_name = 'SYS_FOREIGN') THEN\n" + " found := 0;\n" + "END IF;\n" + "IF (:table_name = 'SYS_FOREIGN_COLS') THEN\n" + " found := 0;\n" + "END IF;\n" + "WHILE found = 1 LOOP\n" + " SELECT ID INTO foreign_id\n" + " FROM SYS_FOREIGN\n" + " WHERE FOR_NAME = :table_name\n" + " AND TO_BINARY(FOR_NAME)\n" + " = TO_BINARY(:table_name)\n" + " LOCK IN SHARE MODE;\n" + " IF (SQL % NOTFOUND) THEN\n" + " found := 0;\n" + " ELSE\n" + " DELETE FROM SYS_FOREIGN_COLS\n" + " WHERE ID = foreign_id;\n" + " DELETE FROM SYS_FOREIGN\n" + " WHERE ID = foreign_id;\n" + " END IF;\n" + "END LOOP;\n" + "found := 1;\n" + "WHILE found = 1 LOOP\n" + " SELECT ID INTO index_id\n" + " FROM SYS_INDEXES\n" + " WHERE TABLE_ID = table_id\n" + " LOCK IN SHARE MODE;\n" + " IF (SQL % NOTFOUND) THEN\n" + " found := 0;\n" + " ELSE\n" + " DELETE FROM SYS_FIELDS\n" + " WHERE INDEX_ID = index_id;\n" + " DELETE FROM SYS_INDEXES\n" + " WHERE ID = index_id\n" + " AND TABLE_ID = table_id;\n" + " END IF;\n" + "END LOOP;\n" + "DELETE FROM SYS_COLUMNS\n" + "WHERE TABLE_ID = table_id;\n" + "DELETE FROM SYS_TABLES\n" + "WHERE ID = table_id;\n" + "END;\n" + , FALSE, trx); + + switch (err) { + ibool is_temp; + const char* name_or_path; + mem_heap_t* heap; + + case DB_SUCCESS: + + heap = mem_heap_create(200); + + /* Clone the name, in case it has been allocated + from table->heap, which will be freed by + dict_table_remove_from_cache(table) below. */ + name = mem_heap_strdup(heap, name); + space_id = table->space; + + if (table->dir_path_of_temp_table != NULL) { + name_or_path = mem_heap_strdup( + heap, table->dir_path_of_temp_table); + is_temp = TRUE; + } else { + name_or_path = name; + is_temp = (table->flags >> DICT_TF2_SHIFT) + & DICT_TF2_TEMPORARY; + } + + dict_table_remove_from_cache(table); + + if (dict_load_table(name) != NULL) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: not able to remove table ", + stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs(" from the dictionary cache!\n", stderr); + err = DB_ERROR; + } + + /* Do not drop possible .ibd tablespace if something went + wrong: we do not want to delete valuable data of the user */ + + if (err == DB_SUCCESS && space_id > 0) { + if (!fil_space_for_table_exists_in_mem(space_id, + name_or_path, + is_temp, FALSE, + !is_temp)) { + err = DB_SUCCESS; + + fprintf(stderr, + "InnoDB: We removed now the InnoDB" + " internal data dictionary entry\n" + "InnoDB: of table "); + ut_print_name(stderr, trx, TRUE, name); + fprintf(stderr, ".\n"); + } else if (!fil_delete_tablespace(space_id)) { + fprintf(stderr, + "InnoDB: We removed now the InnoDB" + " internal data dictionary entry\n" + "InnoDB: of table "); + ut_print_name(stderr, trx, TRUE, name); + fprintf(stderr, ".\n"); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: not able to" + " delete tablespace %lu of table ", + (ulong) space_id); + ut_print_name(stderr, trx, TRUE, name); + fputs("!\n", stderr); + err = DB_ERROR; + } + } + + mem_heap_free(heap); + break; + + case DB_TOO_MANY_CONCURRENT_TRXS: + /* Cannot even find a free slot for the + the undo log. We can directly exit here + and return the DB_TOO_MANY_CONCURRENT_TRXS + error. */ + break; + + case DB_OUT_OF_FILE_SPACE: + err = DB_MUST_GET_MORE_FILE_SPACE; + + row_mysql_handle_errors(&err, trx, NULL, NULL); + + /* Fall through to raise error */ + + default: + /* No other possible error returns */ + ut_error; + } + +funct_exit: + + if (locked_dictionary) { + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + } + + trx->op_info = ""; + + srv_wake_master_thread(); + + return((int) err); +} + +/*********************************************************************//** +Drop all temporary tables during crash recovery. */ +UNIV_INTERN +void +row_mysql_drop_temp_tables(void) +/*============================*/ +{ + trx_t* trx; + btr_pcur_t pcur; + mtr_t mtr; + mem_heap_t* heap; + + trx = trx_allocate_for_background(); + trx->op_info = "dropping temporary tables"; + row_mysql_lock_data_dictionary(trx); + + heap = mem_heap_create(200); + + mtr_start(&mtr); + + btr_pcur_open_at_index_side( + TRUE, + dict_table_get_first_index(dict_sys->sys_tables), + BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + for (;;) { + const rec_t* rec; + const byte* field; + ulint len; + const char* table_name; + dict_table_t* table; + + btr_pcur_move_to_next_user_rec(&pcur, &mtr); + + if (!btr_pcur_is_on_user_rec(&pcur)) { + break; + } + + rec = btr_pcur_get_rec(&pcur); + field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); + if (len != 4 || !(mach_read_from_4(field) & 0x80000000UL)) { + continue; + } + + /* Because this is not a ROW_FORMAT=REDUNDANT table, + the is_temp flag is valid. Examine it. */ + + field = rec_get_nth_field_old(rec, 7/*MIX_LEN*/, &len); + if (len != 4 + || !(mach_read_from_4(field) & DICT_TF2_TEMPORARY)) { + continue; + } + + /* This is a temporary table. */ + field = rec_get_nth_field_old(rec, 0/*NAME*/, &len); + if (len == UNIV_SQL_NULL || len == 0) { + /* Corrupted SYS_TABLES.NAME */ + continue; + } + + table_name = mem_heap_strdupl(heap, (const char*) field, len); + + btr_pcur_store_position(&pcur, &mtr); + btr_pcur_commit_specify_mtr(&pcur, &mtr); + + table = dict_load_table(table_name); + + if (table) { + row_drop_table_for_mysql(table_name, trx, FALSE); + trx_commit_for_mysql(trx); + } + + mtr_start(&mtr); + btr_pcur_restore_position(BTR_SEARCH_LEAF, + &pcur, &mtr); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + mem_heap_free(heap); + row_mysql_unlock_data_dictionary(trx); + trx_free_for_background(trx); +} + +/*******************************************************************//** +Drop all foreign keys in a database, see Bug#18942. +Called at the end of row_drop_database_for_mysql(). +@return error code or DB_SUCCESS */ +static +ulint +drop_all_foreign_keys_in_db( +/*========================*/ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx) /*!< in: transaction handle */ +{ + pars_info_t* pinfo; + ulint err; + + ut_a(name[strlen(name) - 1] == '/'); + + pinfo = pars_info_create(); + + pars_info_add_str_literal(pinfo, "dbname", name); + +/** true if for_name is not prefixed with dbname */ +#define TABLE_NOT_IN_THIS_DB \ +"SUBSTR(for_name, 0, LENGTH(:dbname)) <> :dbname" + + err = que_eval_sql(pinfo, + "PROCEDURE DROP_ALL_FOREIGN_KEYS_PROC () IS\n" + "foreign_id CHAR;\n" + "for_name CHAR;\n" + "found INT;\n" + "DECLARE CURSOR cur IS\n" + "SELECT ID, FOR_NAME FROM SYS_FOREIGN\n" + "WHERE FOR_NAME >= :dbname\n" + "LOCK IN SHARE MODE\n" + "ORDER BY FOR_NAME;\n" + "BEGIN\n" + "found := 1;\n" + "OPEN cur;\n" + "WHILE found = 1 LOOP\n" + " FETCH cur INTO foreign_id, for_name;\n" + " IF (SQL % NOTFOUND) THEN\n" + " found := 0;\n" + " ELSIF (" TABLE_NOT_IN_THIS_DB ") THEN\n" + " found := 0;\n" + " ELSIF (1=1) THEN\n" + " DELETE FROM SYS_FOREIGN_COLS\n" + " WHERE ID = foreign_id;\n" + " DELETE FROM SYS_FOREIGN\n" + " WHERE ID = foreign_id;\n" + " END IF;\n" + "END LOOP;\n" + "CLOSE cur;\n" + "COMMIT WORK;\n" + "END;\n", + FALSE, /* do not reserve dict mutex, + we are already holding it */ + trx); + + return(err); +} + +/*********************************************************************//** +Drops a database for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +row_drop_database_for_mysql( +/*========================*/ + const char* name, /*!< in: database name which ends to '/' */ + trx_t* trx) /*!< in: transaction handle */ +{ + dict_table_t* table; + char* table_name; + int err = DB_SUCCESS; + ulint namelen = strlen(name); + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + ut_a(name != NULL); + ut_a(name[namelen - 1] == '/'); + + trx->op_info = "dropping database"; + + trx_start_if_not_started(trx); +loop: + row_mysql_lock_data_dictionary(trx); + + while ((table_name = dict_get_first_table_name_in_db(name))) { + ut_a(memcmp(table_name, name, namelen) == 0); + + table = dict_table_get_low(table_name); + + ut_a(table); + + /* Wait until MySQL does not have any queries running on + the table */ + + if (table->n_mysql_handles_opened > 0) { + row_mysql_unlock_data_dictionary(trx); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: MySQL is trying to" + " drop database ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fputs("\n" + "InnoDB: though there are still" + " open handles to table ", stderr); + ut_print_name(stderr, trx, TRUE, table_name); + fputs(".\n", stderr); + + os_thread_sleep(1000000); + + mem_free(table_name); + + goto loop; + } + + err = row_drop_table_for_mysql(table_name, trx, TRUE); + trx_commit_for_mysql(trx); + + if (err != DB_SUCCESS) { + fputs("InnoDB: DROP DATABASE ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fprintf(stderr, " failed with error %lu for table ", + (ulint) err); + ut_print_name(stderr, trx, TRUE, table_name); + putc('\n', stderr); + mem_free(table_name); + break; + } + + mem_free(table_name); + } + + if (err == DB_SUCCESS) { + /* after dropping all tables try to drop all leftover + foreign keys in case orphaned ones exist */ + err = (int) drop_all_foreign_keys_in_db(name, trx); + + if (err != DB_SUCCESS) { + fputs("InnoDB: DROP DATABASE ", stderr); + ut_print_name(stderr, trx, TRUE, name); + fprintf(stderr, " failed with error %d while " + "dropping all foreign keys", err); + } + } + + trx_commit_for_mysql(trx); + + row_mysql_unlock_data_dictionary(trx); + + trx->op_info = ""; + + return(err); +} + +/*********************************************************************//** +Checks if a table name contains the string "/#sql" which denotes temporary +tables in MySQL. +@return TRUE if temporary table */ +static +ibool +row_is_mysql_tmp_table_name( +/*========================*/ + const char* name) /*!< in: table name in the form + 'database/tablename' */ +{ + return(strstr(name, "/#sql") != NULL); + /* return(strstr(name, "/@0023sql") != NULL); */ +} + +/****************************************************************//** +Delete a single constraint. +@return error code or DB_SUCCESS */ +static +int +row_delete_constraint_low( +/*======================*/ + const char* id, /*!< in: constraint id */ + trx_t* trx) /*!< in: transaction handle */ +{ + pars_info_t* info = pars_info_create(); + + pars_info_add_str_literal(info, "id", id); + + return((int) que_eval_sql(info, + "PROCEDURE DELETE_CONSTRAINT () IS\n" + "BEGIN\n" + "DELETE FROM SYS_FOREIGN_COLS WHERE ID = :id;\n" + "DELETE FROM SYS_FOREIGN WHERE ID = :id;\n" + "END;\n" + , FALSE, trx)); +} + +/****************************************************************//** +Delete a single constraint. +@return error code or DB_SUCCESS */ +static +int +row_delete_constraint( +/*==================*/ + const char* id, /*!< in: constraint id */ + const char* database_name, /*!< in: database name, with the + trailing '/' */ + mem_heap_t* heap, /*!< in: memory heap */ + trx_t* trx) /*!< in: transaction handle */ +{ + ulint err; + + /* New format constraints have ids /. */ + err = row_delete_constraint_low( + mem_heap_strcat(heap, database_name, id), trx); + + if ((err == DB_SUCCESS) && !strchr(id, '/')) { + /* Old format < 4.0.18 constraints have constraint ids + NUMBER_NUMBER. We only try deleting them if the + constraint name does not contain a '/' character, otherwise + deleting a new format constraint named 'foo/bar' from + database 'baz' would remove constraint 'bar' from database + 'foo', if it existed. */ + + err = row_delete_constraint_low(id, trx); + } + + return((int) err); +} + +/*********************************************************************//** +Renames a table for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +ulint +row_rename_table_for_mysql( +/*=======================*/ + const char* old_name, /*!< in: old table name */ + const char* new_name, /*!< in: new table name */ + trx_t* trx, /*!< in: transaction handle */ + ibool commit) /*!< in: if TRUE then commit trx */ +{ + dict_table_t* table; + ulint err = DB_ERROR; + mem_heap_t* heap = NULL; + const char** constraints_to_drop = NULL; + ulint n_constraints_to_drop = 0; + ibool old_is_tmp, new_is_tmp; + pars_info_t* info = NULL; + + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + ut_a(old_name != NULL); + ut_a(new_name != NULL); + + if (srv_created_new_raw || srv_force_recovery) { + fputs("InnoDB: A new raw disk partition was initialized or\n" + "InnoDB: innodb_force_recovery is on: we do not allow\n" + "InnoDB: database modifications by the user. Shut down\n" + "InnoDB: mysqld and edit my.cnf so that newraw" + " is replaced\n" + "InnoDB: with raw, and innodb_force_... is removed.\n", + stderr); + + goto funct_exit; + } else if (row_mysql_is_system_table(new_name)) { + + fprintf(stderr, + "InnoDB: Error: trying to create a MySQL" + " system table %s of type InnoDB.\n" + "InnoDB: MySQL system tables must be" + " of the MyISAM type!\n", + new_name); + + goto funct_exit; + } + + trx->op_info = "renaming table"; + trx_start_if_not_started(trx); + + old_is_tmp = row_is_mysql_tmp_table_name(old_name); + new_is_tmp = row_is_mysql_tmp_table_name(new_name); + + table = dict_table_get_low(old_name); + + if (!table) { + err = DB_TABLE_NOT_FOUND; + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: table ", stderr); + ut_print_name(stderr, trx, TRUE, old_name); + fputs(" does not exist in the InnoDB internal\n" + "InnoDB: data dictionary though MySQL is" + " trying to rename the table.\n" + "InnoDB: Have you copied the .frm file" + " of the table to the\n" + "InnoDB: MySQL database directory" + " from another database?\n" + "InnoDB: You can look for further help from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", + stderr); + goto funct_exit; + } else if (table->ibd_file_missing) { + err = DB_TABLE_NOT_FOUND; + ut_print_timestamp(stderr); + + fputs(" InnoDB: Error: table ", stderr); + ut_print_name(stderr, trx, TRUE, old_name); + fputs(" does not have an .ibd file" + " in the database directory.\n" + "InnoDB: You can look for further help from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n", + stderr); + goto funct_exit; + } else if (new_is_tmp) { + /* MySQL is doing an ALTER TABLE command and it renames the + original table to a temporary table name. We want to preserve + the original foreign key constraint definitions despite the + name change. An exception is those constraints for which + the ALTER TABLE contained DROP FOREIGN KEY .*/ + + heap = mem_heap_create(100); + + err = dict_foreign_parse_drop_constraints( + heap, trx, table, &n_constraints_to_drop, + &constraints_to_drop); + + if (err != DB_SUCCESS) { + + goto funct_exit; + } + } + + /* We use the private SQL parser of Innobase to generate the query + graphs needed in updating the dictionary data from system tables. */ + + info = pars_info_create(); + + pars_info_add_str_literal(info, "new_table_name", new_name); + pars_info_add_str_literal(info, "old_table_name", old_name); + + err = que_eval_sql(info, + "PROCEDURE RENAME_TABLE () IS\n" + "BEGIN\n" + "UPDATE SYS_TABLES SET NAME = :new_table_name\n" + " WHERE NAME = :old_table_name;\n" + "END;\n" + , FALSE, trx); + + if (err != DB_SUCCESS) { + + goto end; + } else if (!new_is_tmp) { + /* Rename all constraints. */ + + info = pars_info_create(); + + pars_info_add_str_literal(info, "new_table_name", new_name); + pars_info_add_str_literal(info, "old_table_name", old_name); + + err = que_eval_sql( + info, + "PROCEDURE RENAME_CONSTRAINT_IDS () IS\n" + "gen_constr_prefix CHAR;\n" + "new_db_name CHAR;\n" + "foreign_id CHAR;\n" + "new_foreign_id CHAR;\n" + "old_db_name_len INT;\n" + "old_t_name_len INT;\n" + "new_db_name_len INT;\n" + "id_len INT;\n" + "found INT;\n" + "BEGIN\n" + "found := 1;\n" + "old_db_name_len := INSTR(:old_table_name, '/')-1;\n" + "new_db_name_len := INSTR(:new_table_name, '/')-1;\n" + "new_db_name := SUBSTR(:new_table_name, 0,\n" + " new_db_name_len);\n" + "old_t_name_len := LENGTH(:old_table_name);\n" + "gen_constr_prefix := CONCAT(:old_table_name,\n" + " '_ibfk_');\n" + "WHILE found = 1 LOOP\n" + " SELECT ID INTO foreign_id\n" + " FROM SYS_FOREIGN\n" + " WHERE FOR_NAME = :old_table_name\n" + " AND TO_BINARY(FOR_NAME)\n" + " = TO_BINARY(:old_table_name)\n" + " LOCK IN SHARE MODE;\n" + " IF (SQL % NOTFOUND) THEN\n" + " found := 0;\n" + " ELSE\n" + " UPDATE SYS_FOREIGN\n" + " SET FOR_NAME = :new_table_name\n" + " WHERE ID = foreign_id;\n" + " id_len := LENGTH(foreign_id);\n" + " IF (INSTR(foreign_id, '/') > 0) THEN\n" + " IF (INSTR(foreign_id,\n" + " gen_constr_prefix) > 0)\n" + " THEN\n" + " new_foreign_id :=\n" + " CONCAT(:new_table_name,\n" + " SUBSTR(foreign_id, old_t_name_len,\n" + " id_len - old_t_name_len));\n" + " ELSE\n" + " new_foreign_id :=\n" + " CONCAT(new_db_name,\n" + " SUBSTR(foreign_id,\n" + " old_db_name_len,\n" + " id_len - old_db_name_len));\n" + " END IF;\n" + " UPDATE SYS_FOREIGN\n" + " SET ID = new_foreign_id\n" + " WHERE ID = foreign_id;\n" + " UPDATE SYS_FOREIGN_COLS\n" + " SET ID = new_foreign_id\n" + " WHERE ID = foreign_id;\n" + " END IF;\n" + " END IF;\n" + "END LOOP;\n" + "UPDATE SYS_FOREIGN SET REF_NAME = :new_table_name\n" + "WHERE REF_NAME = :old_table_name\n" + " AND TO_BINARY(REF_NAME)\n" + " = TO_BINARY(:old_table_name);\n" + "END;\n" + , FALSE, trx); + + } else if (n_constraints_to_drop > 0) { + /* Drop some constraints of tmp tables. */ + + ulint db_name_len = dict_get_db_name_len(old_name) + 1; + char* db_name = mem_heap_strdupl(heap, old_name, + db_name_len); + ulint i; + + for (i = 0; i < n_constraints_to_drop; i++) { + err = row_delete_constraint(constraints_to_drop[i], + db_name, heap, trx); + + if (err != DB_SUCCESS) { + break; + } + } + } + +end: + if (err != DB_SUCCESS) { + if (err == DB_DUPLICATE_KEY) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error; possible reasons:\n" + "InnoDB: 1) Table rename would cause" + " two FOREIGN KEY constraints\n" + "InnoDB: to have the same internal name" + " in case-insensitive comparison.\n" + "InnoDB: 2) table ", stderr); + ut_print_name(stderr, trx, TRUE, new_name); + fputs(" exists in the InnoDB internal data\n" + "InnoDB: dictionary though MySQL is" + " trying to rename table ", stderr); + ut_print_name(stderr, trx, TRUE, old_name); + fputs(" to it.\n" + "InnoDB: Have you deleted the .frm file" + " and not used DROP TABLE?\n" + "InnoDB: You can look for further help from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: If table ", stderr); + ut_print_name(stderr, trx, TRUE, new_name); + fputs(" is a temporary table #sql..., then" + " it can be that\n" + "InnoDB: there are still queries running" + " on the table, and it will be\n" + "InnoDB: dropped automatically when" + " the queries end.\n" + "InnoDB: You can drop the orphaned table" + " inside InnoDB by\n" + "InnoDB: creating an InnoDB table with" + " the same name in another\n" + "InnoDB: database and copying the .frm file" + " to the current database.\n" + "InnoDB: Then MySQL thinks the table exists," + " and DROP TABLE will\n" + "InnoDB: succeed.\n", stderr); + } + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + } else { + /* The following call will also rename the .ibd data file if + the table is stored in a single-table tablespace */ + + if (!dict_table_rename_in_cache(table, new_name, + !new_is_tmp)) { + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + goto funct_exit; + } + + /* We only want to switch off some of the type checking in + an ALTER, not in a RENAME. */ + + err = dict_load_foreigns( + new_name, !old_is_tmp || trx->check_foreigns); + + if (err != DB_SUCCESS) { + ut_print_timestamp(stderr); + + if (old_is_tmp) { + fputs(" InnoDB: Error: in ALTER TABLE ", + stderr); + ut_print_name(stderr, trx, TRUE, new_name); + fputs("\n" + "InnoDB: has or is referenced" + " in foreign key constraints\n" + "InnoDB: which are not compatible" + " with the new table definition.\n", + stderr); + } else { + fputs(" InnoDB: Error: in RENAME TABLE" + " table ", + stderr); + ut_print_name(stderr, trx, TRUE, new_name); + fputs("\n" + "InnoDB: is referenced in" + " foreign key constraints\n" + "InnoDB: which are not compatible" + " with the new table definition.\n", + stderr); + } + + ut_a(dict_table_rename_in_cache(table, + old_name, FALSE)); + trx->error_state = DB_SUCCESS; + trx_general_rollback_for_mysql(trx, NULL); + trx->error_state = DB_SUCCESS; + } + } + +funct_exit: + + if (commit) { + trx_commit_for_mysql(trx); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + trx->op_info = ""; + + return(err); +} + +/*********************************************************************//** +Checks that the index contains entries in an ascending order, unique +constraint is not broken, and calculates the number of index entries +in the read view of the current transaction. +@return TRUE if ok */ +UNIV_INTERN +ibool +row_check_index_for_mysql( +/*======================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct + in MySQL handle */ + const dict_index_t* index, /*!< in: index */ + ulint* n_rows) /*!< out: number of entries + seen in the consistent read */ +{ + dtuple_t* prev_entry = NULL; + ulint matched_fields; + ulint matched_bytes; + byte* buf; + ulint ret; + rec_t* rec; + ibool is_ok = TRUE; + int cmp; + ibool contains_null; + ulint i; + ulint cnt; + mem_heap_t* heap = NULL; + ulint n_ext; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets; + rec_offs_init(offsets_); + + *n_rows = 0; + + buf = mem_alloc(UNIV_PAGE_SIZE); + heap = mem_heap_create(100); + + cnt = 1000; + + ret = row_search_for_mysql(buf, PAGE_CUR_G, prebuilt, 0, 0); +loop: + /* Check thd->killed every 1,000 scanned rows */ + if (--cnt == 0) { + if (trx_is_interrupted(prebuilt->trx)) { + goto func_exit; + } + cnt = 1000; + } + + switch (ret) { + case DB_SUCCESS: + break; + default: + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: CHECK TABLE on ", stderr); + dict_index_name_print(stderr, prebuilt->trx, index); + fprintf(stderr, " returned %lu\n", ret); + /* fall through (this error is ignored by CHECK TABLE) */ + case DB_END_OF_INDEX: +func_exit: + mem_free(buf); + mem_heap_free(heap); + + return(is_ok); + } + + *n_rows = *n_rows + 1; + + /* row_search... returns the index record in buf, record origin offset + within buf stored in the first 4 bytes, because we have built a dummy + template */ + + rec = buf + mach_read_from_4(buf); + + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + + if (prev_entry != NULL) { + matched_fields = 0; + matched_bytes = 0; + + cmp = cmp_dtuple_rec_with_match(prev_entry, rec, offsets, + &matched_fields, + &matched_bytes); + contains_null = FALSE; + + /* In a unique secondary index we allow equal key values if + they contain SQL NULLs */ + + for (i = 0; + i < dict_index_get_n_ordering_defined_by_user(index); + i++) { + if (UNIV_SQL_NULL == dfield_get_len( + dtuple_get_nth_field(prev_entry, i))) { + + contains_null = TRUE; + } + } + + if (cmp > 0) { + fputs("InnoDB: index records in a wrong order in ", + stderr); +not_ok: + dict_index_name_print(stderr, + prebuilt->trx, index); + fputs("\n" + "InnoDB: prev record ", stderr); + dtuple_print(stderr, prev_entry); + fputs("\n" + "InnoDB: record ", stderr); + rec_print_new(stderr, rec, offsets); + putc('\n', stderr); + is_ok = FALSE; + } else if (dict_index_is_unique(index) + && !contains_null + && matched_fields + >= dict_index_get_n_ordering_defined_by_user( + index)) { + + fputs("InnoDB: duplicate key in ", stderr); + goto not_ok; + } + } + + { + mem_heap_t* tmp_heap = NULL; + + /* Empty the heap on each round. But preserve offsets[] + for the row_rec_to_index_entry() call, by copying them + into a separate memory heap when needed. */ + if (UNIV_UNLIKELY(offsets != offsets_)) { + ulint size = rec_offs_get_n_alloc(offsets) + * sizeof *offsets; + + tmp_heap = mem_heap_create(size); + offsets = mem_heap_dup(tmp_heap, offsets, size); + } + + mem_heap_empty(heap); + + prev_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, + index, offsets, + &n_ext, heap); + + if (UNIV_LIKELY_NULL(tmp_heap)) { + mem_heap_free(tmp_heap); + } + } + + ret = row_search_for_mysql(buf, PAGE_CUR_G, prebuilt, 0, ROW_SEL_NEXT); + + goto loop; +} + +/*********************************************************************//** +Determines if a table is a magic monitor table. +@return TRUE if monitor table */ +UNIV_INTERN +ibool +row_is_magic_monitor_table( +/*=======================*/ + const char* table_name) /*!< in: name of the table, in the + form database/table_name */ +{ + const char* name; /* table_name without database/ */ + ulint len; + + name = strchr(table_name, '/'); + ut_a(name != NULL); + name++; + len = strlen(name) + 1; + + if (STR_EQ(name, len, S_innodb_monitor) + || STR_EQ(name, len, S_innodb_lock_monitor) + || STR_EQ(name, len, S_innodb_tablespace_monitor) + || STR_EQ(name, len, S_innodb_table_monitor) + || STR_EQ(name, len, S_innodb_mem_validate)) { + + return(TRUE); + } + + return(FALSE); +} diff --git a/perfschema/row/row0purge.c b/perfschema/row/row0purge.c new file mode 100644 index 00000000000..92915fd42a4 --- /dev/null +++ b/perfschema/row/row0purge.c @@ -0,0 +1,792 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0purge.c +Purge obsolete records + +Created 3/14/1997 Heikki Tuuri +*******************************************************/ + +#include "row0purge.h" + +#ifdef UNIV_NONINL +#include "row0purge.ic" +#endif + +#include "fsp0fsp.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "trx0undo.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "que0que.h" +#include "row0row.h" +#include "row0upd.h" +#include "row0vers.h" +#include "row0mysql.h" +#include "log0log.h" + +/********************************************************************//** +Creates a purge node to a query graph. +@return own: purge node */ +UNIV_INTERN +purge_node_t* +row_purge_node_create( +/*==================*/ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap) /*!< in: memory heap where created */ +{ + purge_node_t* node; + + ut_ad(parent && heap); + + node = mem_heap_alloc(heap, sizeof(purge_node_t)); + + node->common.type = QUE_NODE_PURGE; + node->common.parent = parent; + + node->heap = mem_heap_create(256); + + return(node); +} + +/***********************************************************//** +Repositions the pcur in the purge node on the clustered index record, +if found. +@return TRUE if the record was found */ +static +ibool +row_purge_reposition_pcur( +/*======================*/ + ulint mode, /*!< in: latching mode */ + purge_node_t* node, /*!< in: row purge node */ + mtr_t* mtr) /*!< in: mtr */ +{ + ibool found; + + if (node->found_clust) { + found = btr_pcur_restore_position(mode, &(node->pcur), mtr); + + return(found); + } + + found = row_search_on_row_ref(&(node->pcur), mode, node->table, + node->ref, mtr); + node->found_clust = found; + + if (found) { + btr_pcur_store_position(&(node->pcur), mtr); + } + + return(found); +} + +/***********************************************************//** +Removes a delete marked clustered index record if possible. +@return TRUE if success, or if not found, or if modified after the +delete marking */ +static +ibool +row_purge_remove_clust_if_poss_low( +/*===============================*/ + purge_node_t* node, /*!< in: row purge node */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ +{ + dict_index_t* index; + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + ibool success; + ulint err; + mtr_t mtr; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + index = dict_table_get_first_index(node->table); + + pcur = &(node->pcur); + btr_cur = btr_pcur_get_btr_cur(pcur); + + mtr_start(&mtr); + + success = row_purge_reposition_pcur(mode, node, &mtr); + + if (!success) { + /* The record is already removed */ + + btr_pcur_commit_specify_mtr(pcur, &mtr); + + return(TRUE); + } + + rec = btr_pcur_get_rec(pcur); + + if (0 != ut_dulint_cmp(node->roll_ptr, row_get_rec_roll_ptr( + rec, index, rec_get_offsets( + rec, index, offsets_, + ULINT_UNDEFINED, &heap)))) { + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + /* Someone else has modified the record later: do not remove */ + btr_pcur_commit_specify_mtr(pcur, &mtr); + + return(TRUE); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + if (mode == BTR_MODIFY_LEAF) { + success = btr_cur_optimistic_delete(btr_cur, &mtr); + } else { + ut_ad(mode == BTR_MODIFY_TREE); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NONE, &mtr); + + if (err == DB_SUCCESS) { + success = TRUE; + } else if (err == DB_OUT_OF_FILE_SPACE) { + success = FALSE; + } else { + ut_error; + } + } + + btr_pcur_commit_specify_mtr(pcur, &mtr); + + return(success); +} + +/***********************************************************//** +Removes a clustered index record if it has not been modified after the delete +marking. */ +static +void +row_purge_remove_clust_if_poss( +/*===========================*/ + purge_node_t* node) /*!< in: row purge node */ +{ + ibool success; + ulint n_tries = 0; + + /* fputs("Purge: Removing clustered record\n", stderr); */ + + success = row_purge_remove_clust_if_poss_low(node, BTR_MODIFY_LEAF); + if (success) { + + return; + } +retry: + success = row_purge_remove_clust_if_poss_low(node, BTR_MODIFY_TREE); + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + + if (!success && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { + n_tries++; + + os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); + + goto retry; + } + + ut_a(success); +} + +/***********************************************************//** +Determines if it is possible to remove a secondary index entry. +Removal is possible if the secondary index entry does not refer to any +not delete marked version of a clustered index record where DB_TRX_ID +is newer than the purge view. + +NOTE: This function should only be called by the purge thread, only +while holding a latch on the leaf page of the secondary index entry +(or keeping the buffer pool watch on the page). It is possible that +this function first returns TRUE and then FALSE, if a user transaction +inserts a record that the secondary index entry would refer to. +However, in that case, the user transaction would also re-insert the +secondary index entry after purge has removed it and released the leaf +page latch. +@return TRUE if the secondary index record can be purged */ +UNIV_INTERN +ibool +row_purge_poss_sec( +/*===============*/ + purge_node_t* node, /*!< in/out: row purge node */ + dict_index_t* index, /*!< in: secondary index */ + const dtuple_t* entry) /*!< in: secondary index entry */ +{ + ibool can_delete; + mtr_t mtr; + + ut_ad(!dict_index_is_clust(index)); + mtr_start(&mtr); + + can_delete = !row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr) + || !row_vers_old_has_index_entry(TRUE, + btr_pcur_get_rec(&node->pcur), + &mtr, index, entry); + + btr_pcur_commit_specify_mtr(&node->pcur, &mtr); + + return(can_delete); +} + +/*************************************************************** +Removes a secondary index entry if possible, by modifying the +index tree. Does not try to buffer the delete. +@return TRUE if success or if not found */ +static +ibool +row_purge_remove_sec_if_poss_tree( +/*==============================*/ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry) /*!< in: index entry */ +{ + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ibool success = TRUE; + ulint err; + mtr_t mtr; + enum row_search_result search_result; + + log_free_check(); + mtr_start(&mtr); + + search_result = row_search_index_entry(index, entry, BTR_MODIFY_TREE, + &pcur, &mtr); + + switch (search_result) { + case ROW_NOT_FOUND: + /* Not found. This is a legitimate condition. In a + rollback, InnoDB will remove secondary recs that would + be purged anyway. Then the actual purge will not find + the secondary index record. Also, the purge itself is + eager: if it comes to consider a secondary index + record, and notices it does not need to exist in the + index, it will remove it. Then if/when the purge + comes to consider the secondary index record a second + time, it will not exist any more in the index. */ + + /* fputs("PURGE:........sec entry not found\n", stderr); */ + /* dtuple_print(stderr, entry); */ + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_DELETED_REF: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ + ut_error; + } + + btr_cur = btr_pcur_get_btr_cur(&pcur); + + /* We should remove the index record if no later version of the row, + which cannot be purged yet, requires its existence. If some requires, + we should do nothing. */ + + if (row_purge_poss_sec(node, index, entry)) { + /* Remove the index record, which should have been + marked for deletion. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits(btr_cur_get_rec(btr_cur), + dict_table_is_comp(index->table))); + + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NONE, &mtr); + switch (UNIV_EXPECT(err, DB_SUCCESS)) { + case DB_SUCCESS: + break; + case DB_OUT_OF_FILE_SPACE: + success = FALSE; + break; + default: + ut_error; + } + } + +func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + return(success); +} + +/*************************************************************** +Removes a secondary index entry without modifying the index tree, +if possible. +@return TRUE if success or if not found */ +static +ibool +row_purge_remove_sec_if_poss_leaf( +/*==============================*/ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry) /*!< in: index entry */ +{ + mtr_t mtr; + btr_pcur_t pcur; + enum row_search_result search_result; + + log_free_check(); + + mtr_start(&mtr); + + /* Set the purge node for the call to row_purge_poss_sec(). */ + pcur.btr_cur.purge_node = node; + /* Set the query thread, so that ibuf_insert_low() will be + able to invoke thd_get_trx(). */ + pcur.btr_cur.thr = que_node_get_parent(node); + + search_result = row_search_index_entry( + index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); + + switch (search_result) { + ibool success; + case ROW_FOUND: + /* Before attempting to purge a record, check + if it is safe to do so. */ + if (row_purge_poss_sec(node, index, entry)) { + btr_cur_t* btr_cur = btr_pcur_get_btr_cur(&pcur); + + /* Only delete-marked records should be purged. */ + ut_ad(REC_INFO_DELETED_FLAG + & rec_get_info_bits( + btr_cur_get_rec(btr_cur), + dict_table_is_comp(index->table))); + + if (!btr_cur_optimistic_delete(btr_cur, &mtr)) { + + /* The index entry could not be deleted. */ + success = FALSE; + goto func_exit; + } + } + /* fall through (the index entry is still needed, + or the deletion succeeded) */ + case ROW_NOT_DELETED_REF: + /* The index entry is still needed. */ + case ROW_BUFFERED: + /* The deletion was buffered. */ + case ROW_NOT_FOUND: + /* The index entry does not exist, nothing to do. */ + success = TRUE; + func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + return(success); + } + + ut_error; + return(FALSE); +} + +/***********************************************************//** +Removes a secondary index entry if possible. */ +UNIV_INLINE +void +row_purge_remove_sec_if_poss( +/*=========================*/ + purge_node_t* node, /*!< in: row purge node */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry */ +{ + ibool success; + ulint n_tries = 0; + + /* fputs("Purge: Removing secondary record\n", stderr); */ + + if (row_purge_remove_sec_if_poss_leaf(node, index, entry)) { + + return; + } +retry: + success = row_purge_remove_sec_if_poss_tree(node, index, entry); + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + + if (!success && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { + + n_tries++; + + os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); + + goto retry; + } + + ut_a(success); +} + +/***********************************************************//** +Purges a delete marking of a record. */ +static +void +row_purge_del_mark( +/*===============*/ + purge_node_t* node) /*!< in: row purge node */ +{ + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + + ut_ad(node); + + heap = mem_heap_create(1024); + + while (node->index != NULL) { + index = node->index; + + /* Build the index entry */ + entry = row_build_index_entry(node->row, NULL, index, heap); + ut_a(entry); + row_purge_remove_sec_if_poss(node, index, entry); + + node->index = dict_table_get_next_index(node->index); + } + + mem_heap_free(heap); + + row_purge_remove_clust_if_poss(node); +} + +/***********************************************************//** +Purges an update of an existing record. Also purges an update of a delete +marked record if that record contained an externally stored field. */ +static +void +row_purge_upd_exist_or_extern( +/*==========================*/ + purge_node_t* node) /*!< in: row purge node */ +{ + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + ibool is_insert; + ulint rseg_id; + ulint page_no; + ulint offset; + ulint i; + mtr_t mtr; + + ut_ad(node); + + if (node->rec_type == TRX_UNDO_UPD_DEL_REC) { + + goto skip_secondaries; + } + + heap = mem_heap_create(1024); + + while (node->index != NULL) { + index = node->index; + + if (row_upd_changes_ord_field_binary(NULL, node->index, + node->update)) { + /* Build the older version of the index entry */ + entry = row_build_index_entry(node->row, NULL, + index, heap); + ut_a(entry); + row_purge_remove_sec_if_poss(node, index, entry); + } + + node->index = dict_table_get_next_index(node->index); + } + + mem_heap_free(heap); + +skip_secondaries: + /* Free possible externally stored fields */ + for (i = 0; i < upd_get_n_fields(node->update); i++) { + + const upd_field_t* ufield + = upd_get_nth_field(node->update, i); + + if (dfield_is_ext(&ufield->new_val)) { + buf_block_t* block; + ulint internal_offset; + byte* data_field; + + /* We use the fact that new_val points to + node->undo_rec and get thus the offset of + dfield data inside the undo record. Then we + can calculate from node->roll_ptr the file + address of the new_val data */ + + internal_offset + = ((const byte*) + dfield_get_data(&ufield->new_val)) + - node->undo_rec; + + ut_a(internal_offset < UNIV_PAGE_SIZE); + + trx_undo_decode_roll_ptr(node->roll_ptr, + &is_insert, &rseg_id, + &page_no, &offset); + mtr_start(&mtr); + + /* We have to acquire an X-latch to the clustered + index tree */ + + index = dict_table_get_first_index(node->table); + + mtr_x_lock(dict_index_get_lock(index), &mtr); + + /* NOTE: we must also acquire an X-latch to the + root page of the tree. We will need it when we + free pages from the tree. If the tree is of height 1, + the tree X-latch does NOT protect the root page, + because it is also a leaf page. Since we will have a + latch on an undo log page, we would break the + latching order if we would only later latch the + root page of such a tree! */ + + btr_root_get(index, &mtr); + + /* We assume in purge of externally stored fields + that the space id of the undo log record is 0! */ + + block = buf_page_get(0, 0, page_no, RW_X_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); + + data_field = buf_block_get_frame(block) + + offset + internal_offset; + + ut_a(dfield_get_len(&ufield->new_val) + >= BTR_EXTERN_FIELD_REF_SIZE); + btr_free_externally_stored_field( + index, + data_field + dfield_get_len(&ufield->new_val) + - BTR_EXTERN_FIELD_REF_SIZE, + NULL, NULL, NULL, 0, RB_NONE, &mtr); + mtr_commit(&mtr); + } + } +} + +/***********************************************************//** +Parses the row reference and other info in a modify undo log record. +@return TRUE if purge operation required: NOTE that then the CALLER +must unfreeze data dictionary! */ +static +ibool +row_purge_parse_undo_rec( +/*=====================*/ + purge_node_t* node, /*!< in: row undo node */ + ibool* updated_extern, + /*!< out: TRUE if an externally stored field + was updated */ + que_thr_t* thr) /*!< in: query thread */ +{ + dict_index_t* clust_index; + byte* ptr; + trx_t* trx; + undo_no_t undo_no; + dulint table_id; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint info_bits; + ulint type; + ulint cmpl_info; + + ut_ad(node && thr); + + trx = thr_get_trx(thr); + + ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &cmpl_info, + updated_extern, &undo_no, &table_id); + node->rec_type = type; + + if (type == TRX_UNDO_UPD_DEL_REC && !(*updated_extern)) { + + return(FALSE); + } + + ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, + &info_bits); + node->table = NULL; + + if (type == TRX_UNDO_UPD_EXIST_REC + && cmpl_info & UPD_NODE_NO_ORD_CHANGE && !(*updated_extern)) { + + /* Purge requires no changes to indexes: we may return */ + + return(FALSE); + } + + /* Prevent DROP TABLE etc. from running when we are doing the purge + for this row */ + + row_mysql_freeze_data_dictionary(trx); + + mutex_enter(&(dict_sys->mutex)); + + node->table = dict_table_get_on_id_low(table_id); + + mutex_exit(&(dict_sys->mutex)); + + if (node->table == NULL) { + /* The table has been dropped: no need to do purge */ +err_exit: + row_mysql_unfreeze_data_dictionary(trx); + return(FALSE); + } + + if (node->table->ibd_file_missing) { + /* We skip purge of missing .ibd files */ + + node->table = NULL; + + goto err_exit; + } + + clust_index = dict_table_get_first_index(node->table); + + if (clust_index == NULL) { + /* The table was corrupt in the data dictionary */ + + goto err_exit; + } + + ptr = trx_undo_rec_get_row_ref(ptr, clust_index, &(node->ref), + node->heap); + + ptr = trx_undo_update_rec_get_update(ptr, clust_index, type, trx_id, + roll_ptr, info_bits, trx, + node->heap, &(node->update)); + + /* Read to the partial row the fields that occur in indexes */ + + if (!(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { + ptr = trx_undo_rec_get_partial_row( + ptr, clust_index, &node->row, + type == TRX_UNDO_UPD_DEL_REC, + node->heap); + } + + return(TRUE); +} + +/***********************************************************//** +Fetches an undo log record and does the purge for the recorded operation. +If none left, or the current purge completed, returns the control to the +parent node, which is always a query thread node. +@return DB_SUCCESS if operation successfully completed, else error code */ +static +ulint +row_purge( +/*======*/ + purge_node_t* node, /*!< in: row purge node */ + que_thr_t* thr) /*!< in: query thread */ +{ + roll_ptr_t roll_ptr; + ibool purge_needed; + ibool updated_extern; + trx_t* trx; + + ut_ad(node && thr); + + trx = thr_get_trx(thr); + + node->undo_rec = trx_purge_fetch_next_rec(&roll_ptr, + &(node->reservation), + node->heap); + if (!node->undo_rec) { + /* Purge completed for this query thread */ + + thr->run_node = que_node_get_parent(node); + + return(DB_SUCCESS); + } + + node->roll_ptr = roll_ptr; + + if (node->undo_rec == &trx_purge_dummy_rec) { + purge_needed = FALSE; + } else { + purge_needed = row_purge_parse_undo_rec(node, &updated_extern, + thr); + /* If purge_needed == TRUE, we must also remember to unfreeze + data dictionary! */ + } + + if (purge_needed) { + node->found_clust = FALSE; + + node->index = dict_table_get_next_index( + dict_table_get_first_index(node->table)); + + if (node->rec_type == TRX_UNDO_DEL_MARK_REC) { + row_purge_del_mark(node); + + } else if (updated_extern + || node->rec_type == TRX_UNDO_UPD_EXIST_REC) { + + row_purge_upd_exist_or_extern(node); + } + + if (node->found_clust) { + btr_pcur_close(&(node->pcur)); + } + + row_mysql_unfreeze_data_dictionary(trx); + } + + /* Do some cleanup */ + trx_purge_rec_release(node->reservation); + mem_heap_empty(node->heap); + + thr->run_node = node; + + return(DB_SUCCESS); +} + +/***********************************************************//** +Does the purge operation for a single undo log record. This is a high-level +function used in an SQL execution graph. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_purge_step( +/*===========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + purge_node_t* node; + ulint err; + + ut_ad(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_PURGE); + + err = row_purge(node, thr); + + ut_ad(err == DB_SUCCESS); + + return(thr); +} diff --git a/perfschema/row/row0row.c b/perfschema/row/row0row.c new file mode 100644 index 00000000000..caac11ebc61 --- /dev/null +++ b/perfschema/row/row0row.c @@ -0,0 +1,1198 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0row.c +General row routines + +Created 4/20/1996 Heikki Tuuri +*******************************************************/ + +#include "row0row.h" + +#ifdef UNIV_NONINL +#include "row0row.ic" +#endif + +#include "data0type.h" +#include "dict0dict.h" +#include "btr0btr.h" +#include "ha_prototypes.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "trx0undo.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "que0que.h" +#include "row0ext.h" +#include "row0upd.h" +#include "rem0cmp.h" +#include "read0read.h" +#include "ut0mem.h" + +/*********************************************************************//** +Gets the offset of trx id field, in bytes relative to the origin of +a clustered index record. +@return offset of DATA_TRX_ID */ +UNIV_INTERN +ulint +row_get_trx_id_offset( +/*==================*/ + const rec_t* rec __attribute__((unused)), + /*!< in: record */ + dict_index_t* index, /*!< in: clustered index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + ulint pos; + ulint offset; + ulint len; + + ut_ad(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); + + offset = rec_get_nth_field_offs(offsets, pos, &len); + + ut_ad(len == DATA_TRX_ID_LEN); + + return(offset); +} + +/*****************************************************************//** +When an insert or purge to a table is performed, this function builds +the entry to be inserted into or purged from an index on the table. +@return index entry which should be inserted or purged, or NULL if the +externally stored columns in the clustered index record are +unavailable and ext != NULL */ +UNIV_INTERN +dtuple_t* +row_build_index_entry( +/*==================*/ + const dtuple_t* row, /*!< in: row which should be + inserted or purged */ + row_ext_t* ext, /*!< in: externally stored column prefixes, + or NULL */ + dict_index_t* index, /*!< in: index on the table */ + mem_heap_t* heap) /*!< in: memory heap from which the memory for + the index entry is allocated */ +{ + dtuple_t* entry; + ulint entry_len; + ulint i; + + ut_ad(row && index && heap); + ut_ad(dtuple_check_typed(row)); + + entry_len = dict_index_get_n_fields(index); + entry = dtuple_create(heap, entry_len); + + if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { + dtuple_set_n_fields_cmp(entry, entry_len); + /* There may only be externally stored columns + in a clustered index B-tree of a user table. */ + ut_a(!ext); + } else { + dtuple_set_n_fields_cmp( + entry, dict_index_get_n_unique_in_tree(index)); + } + + for (i = 0; i < entry_len; i++) { + const dict_field_t* ind_field + = dict_index_get_nth_field(index, i); + const dict_col_t* col + = ind_field->col; + ulint col_no + = dict_col_get_no(col); + dfield_t* dfield + = dtuple_get_nth_field(entry, i); + const dfield_t* dfield2 + = dtuple_get_nth_field(row, col_no); + ulint len + = dfield_get_len(dfield2); + + dfield_copy(dfield, dfield2); + + if (dfield_is_null(dfield) || ind_field->prefix_len == 0) { + continue; + } + + /* If a column prefix index, take only the prefix. + Prefix-indexed columns may be externally stored. */ + ut_ad(col->ord_part); + + if (UNIV_LIKELY_NULL(ext)) { + /* See if the column is stored externally. */ + const byte* buf = row_ext_lookup(ext, col_no, + &len); + if (UNIV_LIKELY_NULL(buf)) { + if (UNIV_UNLIKELY(buf == field_ref_zero)) { + return(NULL); + } + dfield_set_data(dfield, buf, len); + } + } else if (dfield_is_ext(dfield)) { + ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); + len -= BTR_EXTERN_FIELD_REF_SIZE; + ut_a(ind_field->prefix_len <= len + || dict_index_is_clust(index)); + } + + len = dtype_get_at_most_n_mbchars( + col->prtype, col->mbminlen, col->mbmaxlen, + ind_field->prefix_len, len, dfield_get_data(dfield)); + dfield_set_len(dfield, len); + } + + ut_ad(dtuple_check_typed(entry)); + + return(entry); +} + +/*******************************************************************//** +An inverse function to row_build_index_entry. Builds a row from a +record in a clustered index. +@return own: row built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_build( +/*======*/ + ulint type, /*!< in: ROW_COPY_POINTERS or + ROW_COPY_DATA; the latter + copies also the data fields to + heap while the first only + places pointers to data fields + on the index page, and thus is + more efficient */ + const dict_index_t* index, /*!< in: clustered index */ + const rec_t* rec, /*!< in: record in the clustered + index; NOTE: in the case + ROW_COPY_POINTERS the data + fields in the row will point + directly into this record, + therefore, the buffer page of + this record must be at least + s-latched and the latch held + as long as the row dtuple is used! */ + const ulint* offsets,/*!< in: rec_get_offsets(rec,index) + or NULL, in which case this function + will invoke rec_get_offsets() */ + const dict_table_t* col_table, + /*!< in: table, to check which + externally stored columns + occur in the ordering columns + of an index, or NULL if + index->table should be + consulted instead */ + row_ext_t** ext, /*!< out, own: cache of + externally stored column + prefixes, or NULL */ + mem_heap_t* heap) /*!< in: memory heap from which + the memory needed is allocated */ +{ + dtuple_t* row; + const dict_table_t* table; + ulint n_fields; + ulint n_ext_cols; + ulint* ext_cols = NULL; /* remove warning */ + ulint len; + ulint row_len; + byte* buf; + ulint i; + ulint j; + mem_heap_t* tmp_heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + ut_ad(index && rec && heap); + ut_ad(dict_index_is_clust(index)); + + if (!offsets) { + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &tmp_heap); + } else { + ut_ad(rec_offs_validate(rec, index, offsets)); + } + + if (type != ROW_COPY_POINTERS) { + /* Take a copy of rec to heap */ + buf = mem_heap_alloc(heap, rec_offs_size(offsets)); + rec = rec_copy(buf, rec, offsets); + /* Avoid a debug assertion in rec_offs_validate(). */ + rec_offs_make_valid(rec, index, (ulint*) offsets); + } + + table = index->table; + row_len = dict_table_get_n_cols(table); + + row = dtuple_create(heap, row_len); + + dict_table_copy_types(row, table); + + dtuple_set_info_bits(row, rec_get_info_bits( + rec, dict_table_is_comp(table))); + + n_fields = rec_offs_n_fields(offsets); + n_ext_cols = rec_offs_n_extern(offsets); + if (n_ext_cols) { + ext_cols = mem_heap_alloc(heap, n_ext_cols * sizeof *ext_cols); + } + + for (i = j = 0; i < n_fields; i++) { + dict_field_t* ind_field + = dict_index_get_nth_field(index, i); + const dict_col_t* col + = dict_field_get_col(ind_field); + ulint col_no + = dict_col_get_no(col); + dfield_t* dfield + = dtuple_get_nth_field(row, col_no); + + if (ind_field->prefix_len == 0) { + + const byte* field = rec_get_nth_field( + rec, offsets, i, &len); + + dfield_set_data(dfield, field, len); + } + + if (rec_offs_nth_extern(offsets, i)) { + dfield_set_ext(dfield); + + if (UNIV_LIKELY_NULL(col_table)) { + ut_a(col_no + < dict_table_get_n_cols(col_table)); + col = dict_table_get_nth_col( + col_table, col_no); + } + + if (col->ord_part) { + /* We will have to fetch prefixes of + externally stored columns that are + referenced by column prefixes. */ + ext_cols[j++] = col_no; + } + } + } + + ut_ad(dtuple_check_typed(row)); + + if (j) { + *ext = row_ext_create(j, ext_cols, row, + dict_table_zip_size(index->table), + heap); + } else { + *ext = NULL; + } + + if (tmp_heap) { + mem_heap_free(tmp_heap); + } + + return(row); +} + +/*******************************************************************//** +Converts an index record to a typed data tuple. +@return index entry built; does not set info_bits, and the data fields +in the entry will point directly to rec */ +UNIV_INTERN +dtuple_t* +row_rec_to_index_entry_low( +/*=======================*/ + const rec_t* rec, /*!< in: record in the index */ + const dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint* n_ext, /*!< out: number of externally + stored columns */ + mem_heap_t* heap) /*!< in: memory heap from which + the memory needed is allocated */ +{ + dtuple_t* entry; + dfield_t* dfield; + ulint i; + const byte* field; + ulint len; + ulint rec_len; + + ut_ad(rec && heap && index); + /* Because this function may be invoked by row0merge.c + on a record whose header is in different format, the check + rec_offs_validate(rec, index, offsets) must be avoided here. */ + ut_ad(n_ext); + *n_ext = 0; + + rec_len = rec_offs_n_fields(offsets); + + entry = dtuple_create(heap, rec_len); + + dtuple_set_n_fields_cmp(entry, + dict_index_get_n_unique_in_tree(index)); + ut_ad(rec_len == dict_index_get_n_fields(index)); + + dict_index_copy_types(entry, index, rec_len); + + for (i = 0; i < rec_len; i++) { + + dfield = dtuple_get_nth_field(entry, i); + field = rec_get_nth_field(rec, offsets, i, &len); + + dfield_set_data(dfield, field, len); + + if (rec_offs_nth_extern(offsets, i)) { + dfield_set_ext(dfield); + (*n_ext)++; + } + } + + ut_ad(dtuple_check_typed(entry)); + + return(entry); +} + +/*******************************************************************//** +Converts an index record to a typed data tuple. NOTE that externally +stored (often big) fields are NOT copied to heap. +@return own: index entry built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_rec_to_index_entry( +/*===================*/ + ulint type, /*!< in: ROW_COPY_DATA, or + ROW_COPY_POINTERS: the former + copies also the data fields to + heap as the latter only places + pointers to data fields on the + index page */ + const rec_t* rec, /*!< in: record in the index; + NOTE: in the case + ROW_COPY_POINTERS the data + fields in the row will point + directly into this record, + therefore, the buffer page of + this record must be at least + s-latched and the latch held + as long as the dtuple is used! */ + const dict_index_t* index, /*!< in: index */ + ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ + ulint* n_ext, /*!< out: number of externally + stored columns */ + mem_heap_t* heap) /*!< in: memory heap from which + the memory needed is allocated */ +{ + dtuple_t* entry; + byte* buf; + + ut_ad(rec && heap && index); + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (type == ROW_COPY_DATA) { + /* Take a copy of rec to heap */ + buf = mem_heap_alloc(heap, rec_offs_size(offsets)); + rec = rec_copy(buf, rec, offsets); + /* Avoid a debug assertion in rec_offs_validate(). */ + rec_offs_make_valid(rec, index, offsets); + } + + entry = row_rec_to_index_entry_low(rec, index, offsets, n_ext, heap); + + dtuple_set_info_bits(entry, + rec_get_info_bits(rec, rec_offs_comp(offsets))); + + return(entry); +} + +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. +@return own: row reference built; see the NOTE below! */ +UNIV_INTERN +dtuple_t* +row_build_row_ref( +/*==============*/ + ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: + the former copies also the data fields to + heap, whereas the latter only places pointers + to data fields on the index page */ + dict_index_t* index, /*!< in: secondary index */ + const rec_t* rec, /*!< in: record in the index; + NOTE: in the case ROW_COPY_POINTERS + the data fields in the row will point + directly into this record, therefore, + the buffer page of this record must be + at least s-latched and the latch held + as long as the row reference is used! */ + mem_heap_t* heap) /*!< in: memory heap from which the memory + needed is allocated */ +{ + dict_table_t* table; + dict_index_t* clust_index; + dfield_t* dfield; + dtuple_t* ref; + const byte* field; + ulint len; + ulint ref_len; + ulint pos; + byte* buf; + ulint clust_col_prefix_len; + ulint i; + mem_heap_t* tmp_heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(index && rec && heap); + ut_ad(!dict_index_is_clust(index)); + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &tmp_heap); + /* Secondary indexes must not contain externally stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + + if (type == ROW_COPY_DATA) { + /* Take a copy of rec to heap */ + + buf = mem_heap_alloc(heap, rec_offs_size(offsets)); + + rec = rec_copy(buf, rec, offsets); + /* Avoid a debug assertion in rec_offs_validate(). */ + rec_offs_make_valid(rec, index, offsets); + } + + table = index->table; + + clust_index = dict_table_get_first_index(table); + + ref_len = dict_index_get_n_unique(clust_index); + + ref = dtuple_create(heap, ref_len); + + dict_index_copy_types(ref, clust_index, ref_len); + + for (i = 0; i < ref_len; i++) { + dfield = dtuple_get_nth_field(ref, i); + + pos = dict_index_get_nth_field_pos(index, clust_index, i); + + ut_a(pos != ULINT_UNDEFINED); + + field = rec_get_nth_field(rec, offsets, pos, &len); + + dfield_set_data(dfield, field, len); + + /* If the primary key contains a column prefix, then the + secondary index may contain a longer prefix of the same + column, or the full column, and we must adjust the length + accordingly. */ + + clust_col_prefix_len = dict_index_get_nth_field( + clust_index, i)->prefix_len; + + if (clust_col_prefix_len > 0) { + if (len != UNIV_SQL_NULL) { + + const dtype_t* dtype + = dfield_get_type(dfield); + + dfield_set_len(dfield, + dtype_get_at_most_n_mbchars( + dtype->prtype, + dtype->mbminlen, + dtype->mbmaxlen, + clust_col_prefix_len, + len, (char*) field)); + } + } + } + + ut_ad(dtuple_check_typed(ref)); + if (tmp_heap) { + mem_heap_free(tmp_heap); + } + + return(ref); +} + +/*******************************************************************//** +Builds from a secondary index record a row reference with which we can +search the clustered index record. */ +UNIV_INTERN +void +row_build_row_ref_in_tuple( +/*=======================*/ + dtuple_t* ref, /*!< in/out: row reference built; + see the NOTE below! */ + const rec_t* rec, /*!< in: record in the index; + NOTE: the data fields in ref + will point directly into this + record, therefore, the buffer + page of this record must be at + least s-latched and the latch + held as long as the row + reference is used! */ + const dict_index_t* index, /*!< in: secondary index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) + or NULL */ + trx_t* trx) /*!< in: transaction */ +{ + const dict_index_t* clust_index; + dfield_t* dfield; + const byte* field; + ulint len; + ulint ref_len; + ulint pos; + ulint clust_col_prefix_len; + ulint i; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_offs_init(offsets_); + + ut_a(ref); + ut_a(index); + ut_a(rec); + ut_ad(!dict_index_is_clust(index)); + + if (UNIV_UNLIKELY(!index->table)) { + fputs("InnoDB: table ", stderr); +notfound: + ut_print_name(stderr, trx, TRUE, index->table_name); + fputs(" for index ", stderr); + ut_print_name(stderr, trx, FALSE, index->name); + fputs(" not found\n", stderr); + ut_error; + } + + clust_index = dict_table_get_first_index(index->table); + + if (UNIV_UNLIKELY(!clust_index)) { + fputs("InnoDB: clust index for table ", stderr); + goto notfound; + } + + if (!offsets) { + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + } else { + ut_ad(rec_offs_validate(rec, index, offsets)); + } + + /* Secondary indexes must not contain externally stored columns. */ + ut_ad(!rec_offs_any_extern(offsets)); + ref_len = dict_index_get_n_unique(clust_index); + + ut_ad(ref_len == dtuple_get_n_fields(ref)); + + dict_index_copy_types(ref, clust_index, ref_len); + + for (i = 0; i < ref_len; i++) { + dfield = dtuple_get_nth_field(ref, i); + + pos = dict_index_get_nth_field_pos(index, clust_index, i); + + ut_a(pos != ULINT_UNDEFINED); + + field = rec_get_nth_field(rec, offsets, pos, &len); + + dfield_set_data(dfield, field, len); + + /* If the primary key contains a column prefix, then the + secondary index may contain a longer prefix of the same + column, or the full column, and we must adjust the length + accordingly. */ + + clust_col_prefix_len = dict_index_get_nth_field( + clust_index, i)->prefix_len; + + if (clust_col_prefix_len > 0) { + if (len != UNIV_SQL_NULL) { + + const dtype_t* dtype + = dfield_get_type(dfield); + + dfield_set_len(dfield, + dtype_get_at_most_n_mbchars( + dtype->prtype, + dtype->mbminlen, + dtype->mbmaxlen, + clust_col_prefix_len, + len, (char*) field)); + } + } + } + + ut_ad(dtuple_check_typed(ref)); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/***************************************************************//** +Searches the clustered index record for a row, if we have the row reference. +@return TRUE if found */ +UNIV_INTERN +ibool +row_search_on_row_ref( +/*==================*/ + btr_pcur_t* pcur, /*!< out: persistent cursor, which must + be closed by the caller */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const dict_table_t* table, /*!< in: table */ + const dtuple_t* ref, /*!< in: row reference */ + mtr_t* mtr) /*!< in/out: mtr */ +{ + ulint low_match; + rec_t* rec; + dict_index_t* index; + + ut_ad(dtuple_check_typed(ref)); + + index = dict_table_get_first_index(table); + + ut_a(dtuple_get_n_fields(ref) == dict_index_get_n_unique(index)); + + btr_pcur_open(index, ref, PAGE_CUR_LE, mode, pcur, mtr); + + low_match = btr_pcur_get_low_match(pcur); + + rec = btr_pcur_get_rec(pcur); + + if (page_rec_is_infimum(rec)) { + + return(FALSE); + } + + if (low_match != dtuple_get_n_fields(ref)) { + + return(FALSE); + } + + return(TRUE); +} + +/*********************************************************************//** +Fetches the clustered index record for a secondary index record. The latches +on the secondary index record are preserved. +@return record or NULL, if no record found */ +UNIV_INTERN +rec_t* +row_get_clust_rec( +/*==============*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: secondary index */ + dict_index_t** clust_index,/*!< out: clustered index */ + mtr_t* mtr) /*!< in: mtr */ +{ + mem_heap_t* heap; + dtuple_t* ref; + dict_table_t* table; + btr_pcur_t pcur; + ibool found; + rec_t* clust_rec; + + ut_ad(!dict_index_is_clust(index)); + + table = index->table; + + heap = mem_heap_create(256); + + ref = row_build_row_ref(ROW_COPY_POINTERS, index, rec, heap); + + found = row_search_on_row_ref(&pcur, mode, table, ref, mtr); + + clust_rec = found ? btr_pcur_get_rec(&pcur) : NULL; + + mem_heap_free(heap); + + btr_pcur_close(&pcur); + + *clust_index = dict_table_get_first_index(table); + + return(clust_rec); +} + +/***************************************************************//** +Searches an index record. +@return whether the record was found or buffered */ +UNIV_INTERN +enum row_search_result +row_search_index_entry( +/*===================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: index entry */ + ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ + btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must + be closed by the caller */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint n_fields; + ulint low_match; + rec_t* rec; + + ut_ad(dtuple_check_typed(entry)); + + btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); + + switch (btr_pcur_get_btr_cur(pcur)->flag) { + case BTR_CUR_DELETE_REF: + ut_a(mode & BTR_DELETE); + return(ROW_NOT_DELETED_REF); + + case BTR_CUR_DEL_MARK_IBUF: + case BTR_CUR_DELETE_IBUF: + case BTR_CUR_INSERT_TO_IBUF: + return(ROW_BUFFERED); + + case BTR_CUR_HASH: + case BTR_CUR_HASH_FAIL: + case BTR_CUR_BINARY: + break; + } + + low_match = btr_pcur_get_low_match(pcur); + + rec = btr_pcur_get_rec(pcur); + + n_fields = dtuple_get_n_fields(entry); + + if (page_rec_is_infimum(rec)) { + + return(ROW_NOT_FOUND); + } else if (low_match != n_fields) { + + return(ROW_NOT_FOUND); + } + + return(ROW_FOUND); +} + +#include + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_INT using "prtype" and writes the result to "buf". +If the data is in unknown format, then nothing is written to "buf", +0 is returned and "format_in_hex" is set to TRUE, otherwise +"format_in_hex" is left untouched. +Not more than "buf_size" bytes are written to "buf". +The result is always '\0'-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating '\0'). +@return number of bytes that were written */ +static +ulint +row_raw_format_int( +/*===============*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + ulint prtype, /*!< in: precise type */ + char* buf, /*!< out: output buffer */ + ulint buf_size, /*!< in: output buffer size + in bytes */ + ibool* format_in_hex) /*!< out: should the data be + formated in hex */ +{ + ulint ret; + + if (data_len <= sizeof(ullint)) { + + ullint value; + ibool unsigned_type = prtype & DATA_UNSIGNED; + + value = mach_read_int_type((const byte*) data, + data_len, unsigned_type); + + if (unsigned_type) { + + ret = ut_snprintf(buf, buf_size, "%llu", + value) + 1; + } else { + + ret = ut_snprintf(buf, buf_size, "%lld", + (long long) value) + 1; + } + + } else { + + *format_in_hex = TRUE; + ret = 0; + } + + return(ut_min(ret, buf_size)); +} + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) that is of +type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "prtype" and writes the +result to "buf". +If the data is in binary format, then nothing is written to "buf", +0 is returned and "format_in_hex" is set to TRUE, otherwise +"format_in_hex" is left untouched. +Not more than "buf_size" bytes are written to "buf". +The result is always '\0'-terminated (provided buf_size > 0) and the +number of bytes that were written to "buf" is returned (including the +terminating '\0'). +@return number of bytes that were written */ +static +ulint +row_raw_format_str( +/*===============*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + ulint prtype, /*!< in: precise type */ + char* buf, /*!< out: output buffer */ + ulint buf_size, /*!< in: output buffer size + in bytes */ + ibool* format_in_hex) /*!< out: should the data be + formated in hex */ +{ + ulint charset_coll; + + if (buf_size == 0) { + + return(0); + } + + /* we assume system_charset_info is UTF-8 */ + + charset_coll = dtype_get_charset_coll(prtype); + + if (UNIV_LIKELY(dtype_is_utf8(prtype))) { + + return(ut_str_sql_format(data, data_len, buf, buf_size)); + } + /* else */ + + if (charset_coll == DATA_MYSQL_BINARY_CHARSET_COLL) { + + *format_in_hex = TRUE; + return(0); + } + /* else */ + + return(innobase_raw_format(data, data_len, charset_coll, + buf, buf_size)); +} + +/*******************************************************************//** +Formats the raw data in "data" (in InnoDB on-disk format) using +"dict_field" and writes the result to "buf". +Not more than "buf_size" bytes are written to "buf". +The result is always NUL-terminated (provided buf_size is positive) and the +number of bytes that were written to "buf" is returned (including the +terminating NUL). +@return number of bytes that were written */ +UNIV_INTERN +ulint +row_raw_format( +/*===========*/ + const char* data, /*!< in: raw data */ + ulint data_len, /*!< in: raw data length + in bytes */ + const dict_field_t* dict_field, /*!< in: index field */ + char* buf, /*!< out: output buffer */ + ulint buf_size) /*!< in: output buffer size + in bytes */ +{ + ulint mtype; + ulint prtype; + ulint ret; + ibool format_in_hex; + + if (buf_size == 0) { + + return(0); + } + + if (data_len == UNIV_SQL_NULL) { + + ret = ut_snprintf((char*) buf, buf_size, "NULL") + 1; + + return(ut_min(ret, buf_size)); + } + + mtype = dict_field->col->mtype; + prtype = dict_field->col->prtype; + + format_in_hex = FALSE; + + switch (mtype) { + case DATA_INT: + + ret = row_raw_format_int(data, data_len, prtype, + buf, buf_size, &format_in_hex); + if (format_in_hex) { + + goto format_in_hex; + } + break; + case DATA_CHAR: + case DATA_VARCHAR: + case DATA_MYSQL: + case DATA_VARMYSQL: + + ret = row_raw_format_str(data, data_len, prtype, + buf, buf_size, &format_in_hex); + if (format_in_hex) { + + goto format_in_hex; + } + + break; + /* XXX support more data types */ + default: + format_in_hex: + + if (UNIV_LIKELY(buf_size > 2)) { + + memcpy(buf, "0x", 2); + buf += 2; + buf_size -= 2; + ret = 2 + ut_raw_to_hex(data, data_len, + buf, buf_size); + } else { + + buf[0] = '\0'; + ret = 1; + } + } + + return(ret); +} + +#ifdef UNIV_COMPILE_TEST_FUNCS + +#include "ut0dbg.h" + +void +test_row_raw_format_int() +{ + ulint ret; + char buf[128]; + ibool format_in_hex; + +#define CALL_AND_TEST(data, data_len, prtype, buf, buf_size,\ + ret_expected, buf_expected, format_in_hex_expected)\ + do {\ + ibool ok = TRUE;\ + ulint i;\ + memset(buf, 'x', 10);\ + buf[10] = '\0';\ + format_in_hex = FALSE;\ + fprintf(stderr, "TESTING \"\\x");\ + for (i = 0; i < data_len; i++) {\ + fprintf(stderr, "%02hhX", data[i]);\ + }\ + fprintf(stderr, "\", %lu, %lu, %lu\n",\ + (ulint) data_len, (ulint) prtype,\ + (ulint) buf_size);\ + ret = row_raw_format_int(data, data_len, prtype,\ + buf, buf_size, &format_in_hex);\ + if (ret != ret_expected) {\ + fprintf(stderr, "expected ret %lu, got %lu\n",\ + (ulint) ret_expected, ret);\ + ok = FALSE;\ + }\ + if (strcmp((char*) buf, buf_expected) != 0) {\ + fprintf(stderr, "expected buf \"%s\", got \"%s\"\n",\ + buf_expected, buf);\ + ok = FALSE;\ + }\ + if (format_in_hex != format_in_hex_expected) {\ + fprintf(stderr, "expected format_in_hex %d, got %d\n",\ + (int) format_in_hex_expected,\ + (int) format_in_hex);\ + ok = FALSE;\ + }\ + if (ok) {\ + fprintf(stderr, "OK: %lu, \"%s\" %d\n\n",\ + (ulint) ret, buf, (int) format_in_hex);\ + } else {\ + return;\ + }\ + } while (0) + +#if 1 + /* min values for signed 1-8 byte integers */ + + CALL_AND_TEST("\x00", 1, 0, + buf, sizeof(buf), 5, "-128", 0); + + CALL_AND_TEST("\x00\x00", 2, 0, + buf, sizeof(buf), 7, "-32768", 0); + + CALL_AND_TEST("\x00\x00\x00", 3, 0, + buf, sizeof(buf), 9, "-8388608", 0); + + CALL_AND_TEST("\x00\x00\x00\x00", 4, 0, + buf, sizeof(buf), 12, "-2147483648", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00", 5, 0, + buf, sizeof(buf), 14, "-549755813888", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00", 6, 0, + buf, sizeof(buf), 17, "-140737488355328", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00", 7, 0, + buf, sizeof(buf), 19, "-36028797018963968", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00\x00", 8, 0, + buf, sizeof(buf), 21, "-9223372036854775808", 0); + + /* min values for unsigned 1-8 byte integers */ + + CALL_AND_TEST("\x00", 1, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00", 2, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00", 3, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00\x00", 4, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00", 5, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00", 6, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00", 7, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00\x00", 8, DATA_UNSIGNED, + buf, sizeof(buf), 2, "0", 0); + + /* max values for signed 1-8 byte integers */ + + CALL_AND_TEST("\xFF", 1, 0, + buf, sizeof(buf), 4, "127", 0); + + CALL_AND_TEST("\xFF\xFF", 2, 0, + buf, sizeof(buf), 6, "32767", 0); + + CALL_AND_TEST("\xFF\xFF\xFF", 3, 0, + buf, sizeof(buf), 8, "8388607", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF", 4, 0, + buf, sizeof(buf), 11, "2147483647", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF", 5, 0, + buf, sizeof(buf), 13, "549755813887", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF", 6, 0, + buf, sizeof(buf), 16, "140737488355327", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 7, 0, + buf, sizeof(buf), 18, "36028797018963967", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8, 0, + buf, sizeof(buf), 20, "9223372036854775807", 0); + + /* max values for unsigned 1-8 byte integers */ + + CALL_AND_TEST("\xFF", 1, DATA_UNSIGNED, + buf, sizeof(buf), 4, "255", 0); + + CALL_AND_TEST("\xFF\xFF", 2, DATA_UNSIGNED, + buf, sizeof(buf), 6, "65535", 0); + + CALL_AND_TEST("\xFF\xFF\xFF", 3, DATA_UNSIGNED, + buf, sizeof(buf), 9, "16777215", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF", 4, DATA_UNSIGNED, + buf, sizeof(buf), 11, "4294967295", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF", 5, DATA_UNSIGNED, + buf, sizeof(buf), 14, "1099511627775", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF", 6, DATA_UNSIGNED, + buf, sizeof(buf), 16, "281474976710655", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 7, DATA_UNSIGNED, + buf, sizeof(buf), 18, "72057594037927935", 0); + + CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8, DATA_UNSIGNED, + buf, sizeof(buf), 21, "18446744073709551615", 0); + + /* some random values */ + + CALL_AND_TEST("\x52", 1, 0, + buf, sizeof(buf), 4, "-46", 0); + + CALL_AND_TEST("\x0E", 1, DATA_UNSIGNED, + buf, sizeof(buf), 3, "14", 0); + + CALL_AND_TEST("\x62\xCE", 2, 0, + buf, sizeof(buf), 6, "-7474", 0); + + CALL_AND_TEST("\x29\xD6", 2, DATA_UNSIGNED, + buf, sizeof(buf), 6, "10710", 0); + + CALL_AND_TEST("\x7F\xFF\x90", 3, 0, + buf, sizeof(buf), 5, "-112", 0); + + CALL_AND_TEST("\x00\xA1\x16", 3, DATA_UNSIGNED, + buf, sizeof(buf), 6, "41238", 0); + + CALL_AND_TEST("\x7F\xFF\xFF\xF7", 4, 0, + buf, sizeof(buf), 3, "-9", 0); + + CALL_AND_TEST("\x00\x00\x00\x5C", 4, DATA_UNSIGNED, + buf, sizeof(buf), 3, "92", 0); + + CALL_AND_TEST("\x7F\xFF\xFF\xFF\xFF\xFF\xDC\x63", 8, 0, + buf, sizeof(buf), 6, "-9117", 0); + + CALL_AND_TEST("\x00\x00\x00\x00\x00\x01\x64\x62", 8, DATA_UNSIGNED, + buf, sizeof(buf), 6, "91234", 0); +#endif + + /* speed test */ + + speedo_t speedo; + ulint i; + + speedo_reset(&speedo); + + for (i = 0; i < 1000000; i++) { + row_raw_format_int("\x23", 1, + 0, buf, sizeof(buf), + &format_in_hex); + row_raw_format_int("\x23", 1, + DATA_UNSIGNED, buf, sizeof(buf), + &format_in_hex); + + row_raw_format_int("\x00\x00\x00\x00\x00\x01\x64\x62", 8, + 0, buf, sizeof(buf), + &format_in_hex); + row_raw_format_int("\x00\x00\x00\x00\x00\x01\x64\x62", 8, + DATA_UNSIGNED, buf, sizeof(buf), + &format_in_hex); + } + + speedo_show(&speedo); +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/row/row0sel.c b/perfschema/row/row0sel.c new file mode 100644 index 00000000000..78318bf6461 --- /dev/null +++ b/perfschema/row/row0sel.c @@ -0,0 +1,4725 @@ +/***************************************************************************** + +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************//** +@file row/row0sel.c +Select + +Created 12/19/1997 Heikki Tuuri +*******************************************************/ + +#include "row0sel.h" + +#ifdef UNIV_NONINL +#include "row0sel.ic" +#endif + +#include "dict0dict.h" +#include "dict0boot.h" +#include "trx0undo.h" +#include "trx0trx.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "btr0sea.h" +#include "mach0data.h" +#include "que0que.h" +#include "row0upd.h" +#include "row0row.h" +#include "row0vers.h" +#include "rem0cmp.h" +#include "lock0lock.h" +#include "eval0eval.h" +#include "pars0sym.h" +#include "pars0pars.h" +#include "row0mysql.h" +#include "read0read.h" +#include "buf0lru.h" +#include "ha_prototypes.h" + +/* Maximum number of rows to prefetch; MySQL interface has another parameter */ +#define SEL_MAX_N_PREFETCH 16 + +/* Number of rows fetched, after which to start prefetching; MySQL interface +has another parameter */ +#define SEL_PREFETCH_LIMIT 1 + +/* When a select has accessed about this many pages, it returns control back +to que_run_threads: this is to allow canceling runaway queries */ + +#define SEL_COST_LIMIT 100 + +/* Flags for search shortcut */ +#define SEL_FOUND 0 +#define SEL_EXHAUSTED 1 +#define SEL_RETRY 2 + +/********************************************************************//** +Returns TRUE if the user-defined column in a secondary index record +is alphabetically the same as the corresponding BLOB column in the clustered +index record. +NOTE: the comparison is NOT done as a binary comparison, but character +fields are compared with collation! +@return TRUE if the columns are equal */ +static +ibool +row_sel_sec_rec_is_for_blob( +/*========================*/ + ulint mtype, /*!< in: main type */ + ulint prtype, /*!< in: precise type */ + ulint mbminlen, /*!< in: minimum length of a + multi-byte character */ + ulint mbmaxlen, /*!< in: maximum length of a + multi-byte character */ + const byte* clust_field, /*!< in: the locally stored part of + the clustered index column, including + the BLOB pointer; the clustered + index record must be covered by + a lock or a page latch to protect it + against deletion (rollback or purge) */ + ulint clust_len, /*!< in: length of clust_field */ + const byte* sec_field, /*!< in: column in secondary index */ + ulint sec_len, /*!< in: length of sec_field */ + ulint zip_size) /*!< in: compressed page size, or 0 */ +{ + ulint len; + byte buf[DICT_MAX_INDEX_COL_LEN]; + + len = btr_copy_externally_stored_field_prefix(buf, sizeof buf, + zip_size, + clust_field, clust_len); + + if (UNIV_UNLIKELY(len == 0)) { + /* The BLOB was being deleted as the server crashed. + There should not be any secondary index records + referring to this clustered index record, because + btr_free_externally_stored_field() is called after all + secondary index entries of the row have been purged. */ + return(FALSE); + } + + len = dtype_get_at_most_n_mbchars(prtype, mbminlen, mbmaxlen, + sec_len, len, (const char*) buf); + + return(!cmp_data_data(mtype, prtype, buf, len, sec_field, sec_len)); +} + +/********************************************************************//** +Returns TRUE if the user-defined column values in a secondary index record +are alphabetically the same as the corresponding columns in the clustered +index record. +NOTE: the comparison is NOT done as a binary comparison, but character +fields are compared with collation! +@return TRUE if the secondary record is equal to the corresponding +fields in the clustered record, when compared with collation; +FALSE if not equal or if the clustered record has been marked for deletion */ +static +ibool +row_sel_sec_rec_is_for_clust_rec( +/*=============================*/ + const rec_t* sec_rec, /*!< in: secondary index record */ + dict_index_t* sec_index, /*!< in: secondary index */ + const rec_t* clust_rec, /*!< in: clustered index record; + must be protected by a lock or + a page latch against deletion + in rollback or purge */ + dict_index_t* clust_index) /*!< in: clustered index */ +{ + const byte* sec_field; + ulint sec_len; + const byte* clust_field; + ulint n; + ulint i; + mem_heap_t* heap = NULL; + ulint clust_offsets_[REC_OFFS_NORMAL_SIZE]; + ulint sec_offsets_[REC_OFFS_SMALL_SIZE]; + ulint* clust_offs = clust_offsets_; + ulint* sec_offs = sec_offsets_; + ibool is_equal = TRUE; + + rec_offs_init(clust_offsets_); + rec_offs_init(sec_offsets_); + + if (rec_get_deleted_flag(clust_rec, + dict_table_is_comp(clust_index->table))) { + + /* The clustered index record is delete-marked; + it is not visible in the read view. Besides, + if there are any externally stored columns, + some of them may have already been purged. */ + return(FALSE); + } + + clust_offs = rec_get_offsets(clust_rec, clust_index, clust_offs, + ULINT_UNDEFINED, &heap); + sec_offs = rec_get_offsets(sec_rec, sec_index, sec_offs, + ULINT_UNDEFINED, &heap); + + n = dict_index_get_n_ordering_defined_by_user(sec_index); + + for (i = 0; i < n; i++) { + const dict_field_t* ifield; + const dict_col_t* col; + ulint clust_pos; + ulint clust_len; + ulint len; + + ifield = dict_index_get_nth_field(sec_index, i); + col = dict_field_get_col(ifield); + clust_pos = dict_col_get_clust_pos(col, clust_index); + + clust_field = rec_get_nth_field( + clust_rec, clust_offs, clust_pos, &clust_len); + sec_field = rec_get_nth_field(sec_rec, sec_offs, i, &sec_len); + + len = clust_len; + + if (ifield->prefix_len > 0 && len != UNIV_SQL_NULL) { + + if (rec_offs_nth_extern(clust_offs, clust_pos)) { + len -= BTR_EXTERN_FIELD_REF_SIZE; + } + + len = dtype_get_at_most_n_mbchars( + col->prtype, col->mbminlen, col->mbmaxlen, + ifield->prefix_len, len, (char*) clust_field); + + if (rec_offs_nth_extern(clust_offs, clust_pos) + && len < sec_len) { + if (!row_sel_sec_rec_is_for_blob( + col->mtype, col->prtype, + col->mbminlen, col->mbmaxlen, + clust_field, clust_len, + sec_field, sec_len, + dict_table_zip_size( + clust_index->table))) { + goto inequal; + } + + continue; + } + } + + if (0 != cmp_data_data(col->mtype, col->prtype, + clust_field, len, + sec_field, sec_len)) { +inequal: + is_equal = FALSE; + goto func_exit; + } + } + +func_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(is_equal); +} + +/*********************************************************************//** +Creates a select node struct. +@return own: select node struct */ +UNIV_INTERN +sel_node_t* +sel_node_create( +/*============*/ + mem_heap_t* heap) /*!< in: memory heap where created */ +{ + sel_node_t* node; + + node = mem_heap_alloc(heap, sizeof(sel_node_t)); + node->common.type = QUE_NODE_SELECT; + node->state = SEL_NODE_OPEN; + + node->plans = NULL; + + return(node); +} + +/*********************************************************************//** +Frees the memory private to a select node when a query graph is freed, +does not free the heap where the node was originally created. */ +UNIV_INTERN +void +sel_node_free_private( +/*==================*/ + sel_node_t* node) /*!< in: select node struct */ +{ + ulint i; + plan_t* plan; + + if (node->plans != NULL) { + for (i = 0; i < node->n_tables; i++) { + plan = sel_node_get_nth_plan(node, i); + + btr_pcur_close(&(plan->pcur)); + btr_pcur_close(&(plan->clust_pcur)); + + if (plan->old_vers_heap) { + mem_heap_free(plan->old_vers_heap); + } + } + } +} + +/*********************************************************************//** +Evaluates the values in a select list. If there are aggregate functions, +their argument value is added to the aggregate total. */ +UNIV_INLINE +void +sel_eval_select_list( +/*=================*/ + sel_node_t* node) /*!< in: select node */ +{ + que_node_t* exp; + + exp = node->select_list; + + while (exp) { + eval_exp(exp); + + exp = que_node_get_next(exp); + } +} + +/*********************************************************************//** +Assigns the values in the select list to the possible into-variables in +SELECT ... INTO ... */ +UNIV_INLINE +void +sel_assign_into_var_values( +/*=======================*/ + sym_node_t* var, /*!< in: first variable in a list of variables */ + sel_node_t* node) /*!< in: select node */ +{ + que_node_t* exp; + + if (var == NULL) { + + return; + } + + exp = node->select_list; + + while (var) { + ut_ad(exp); + + eval_node_copy_val(var->alias, exp); + + exp = que_node_get_next(exp); + var = que_node_get_next(var); + } +} + +/*********************************************************************//** +Resets the aggregate value totals in the select list of an aggregate type +query. */ +UNIV_INLINE +void +sel_reset_aggregate_vals( +/*=====================*/ + sel_node_t* node) /*!< in: select node */ +{ + func_node_t* func_node; + + ut_ad(node->is_aggregate); + + func_node = node->select_list; + + while (func_node) { + eval_node_set_int_val(func_node, 0); + + func_node = que_node_get_next(func_node); + } + + node->aggregate_already_fetched = FALSE; +} + +/*********************************************************************//** +Copies the input variable values when an explicit cursor is opened. */ +UNIV_INLINE +void +row_sel_copy_input_variable_vals( +/*=============================*/ + sel_node_t* node) /*!< in: select node */ +{ + sym_node_t* var; + + var = UT_LIST_GET_FIRST(node->copy_variables); + + while (var) { + eval_node_copy_val(var, var->alias); + + var->indirection = NULL; + + var = UT_LIST_GET_NEXT(col_var_list, var); + } +} + +/*********************************************************************//** +Fetches the column values from a record. */ +static +void +row_sel_fetch_columns( +/*==================*/ + dict_index_t* index, /*!< in: record index */ + const rec_t* rec, /*!< in: record in a clustered or non-clustered + index; must be protected by a page latch */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + sym_node_t* column) /*!< in: first column in a column list, or + NULL */ +{ + dfield_t* val; + ulint index_type; + ulint field_no; + const byte* data; + ulint len; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (dict_index_is_clust(index)) { + index_type = SYM_CLUST_FIELD_NO; + } else { + index_type = SYM_SEC_FIELD_NO; + } + + while (column) { + mem_heap_t* heap = NULL; + ibool needs_copy; + + field_no = column->field_nos[index_type]; + + if (field_no != ULINT_UNDEFINED) { + + if (UNIV_UNLIKELY(rec_offs_nth_extern(offsets, + field_no))) { + + /* Copy an externally stored field to the + temporary heap */ + + heap = mem_heap_create(1); + + data = btr_rec_copy_externally_stored_field( + rec, offsets, + dict_table_zip_size(index->table), + field_no, &len, heap); + + ut_a(len != UNIV_SQL_NULL); + + needs_copy = TRUE; + } else { + data = rec_get_nth_field(rec, offsets, + field_no, &len); + + needs_copy = column->copy_val; + } + + if (needs_copy) { + eval_node_copy_and_alloc_val(column, data, + len); + } else { + val = que_node_get_val(column); + dfield_set_data(val, data, len); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + column = UT_LIST_GET_NEXT(col_var_list, column); + } +} + +/*********************************************************************//** +Allocates a prefetch buffer for a column when prefetch is first time done. */ +static +void +sel_col_prefetch_buf_alloc( +/*=======================*/ + sym_node_t* column) /*!< in: symbol table node for a column */ +{ + sel_buf_t* sel_buf; + ulint i; + + ut_ad(que_node_get_type(column) == QUE_NODE_SYMBOL); + + column->prefetch_buf = mem_alloc(SEL_MAX_N_PREFETCH + * sizeof(sel_buf_t)); + for (i = 0; i < SEL_MAX_N_PREFETCH; i++) { + sel_buf = column->prefetch_buf + i; + + sel_buf->data = NULL; + + sel_buf->val_buf_size = 0; + } +} + +/*********************************************************************//** +Frees a prefetch buffer for a column, including the dynamically allocated +memory for data stored there. */ +UNIV_INTERN +void +sel_col_prefetch_buf_free( +/*======================*/ + sel_buf_t* prefetch_buf) /*!< in, own: prefetch buffer */ +{ + sel_buf_t* sel_buf; + ulint i; + + for (i = 0; i < SEL_MAX_N_PREFETCH; i++) { + sel_buf = prefetch_buf + i; + + if (sel_buf->val_buf_size > 0) { + + mem_free(sel_buf->data); + } + } +} + +/*********************************************************************//** +Pops the column values for a prefetched, cached row from the column prefetch +buffers and places them to the val fields in the column nodes. */ +static +void +sel_pop_prefetched_row( +/*===================*/ + plan_t* plan) /*!< in: plan node for a table */ +{ + sym_node_t* column; + sel_buf_t* sel_buf; + dfield_t* val; + byte* data; + ulint len; + ulint val_buf_size; + + ut_ad(plan->n_rows_prefetched > 0); + + column = UT_LIST_GET_FIRST(plan->columns); + + while (column) { + val = que_node_get_val(column); + + if (!column->copy_val) { + /* We did not really push any value for the + column */ + + ut_ad(!column->prefetch_buf); + ut_ad(que_node_get_val_buf_size(column) == 0); + ut_d(dfield_set_null(val)); + + goto next_col; + } + + ut_ad(column->prefetch_buf); + ut_ad(!dfield_is_ext(val)); + + sel_buf = column->prefetch_buf + plan->first_prefetched; + + data = sel_buf->data; + len = sel_buf->len; + val_buf_size = sel_buf->val_buf_size; + + /* We must keep track of the allocated memory for + column values to be able to free it later: therefore + we swap the values for sel_buf and val */ + + sel_buf->data = dfield_get_data(val); + sel_buf->len = dfield_get_len(val); + sel_buf->val_buf_size = que_node_get_val_buf_size(column); + + dfield_set_data(val, data, len); + que_node_set_val_buf_size(column, val_buf_size); +next_col: + column = UT_LIST_GET_NEXT(col_var_list, column); + } + + plan->n_rows_prefetched--; + + plan->first_prefetched++; +} + +/*********************************************************************//** +Pushes the column values for a prefetched, cached row to the column prefetch +buffers from the val fields in the column nodes. */ +UNIV_INLINE +void +sel_push_prefetched_row( +/*====================*/ + plan_t* plan) /*!< in: plan node for a table */ +{ + sym_node_t* column; + sel_buf_t* sel_buf; + dfield_t* val; + byte* data; + ulint len; + ulint pos; + ulint val_buf_size; + + if (plan->n_rows_prefetched == 0) { + pos = 0; + plan->first_prefetched = 0; + } else { + pos = plan->n_rows_prefetched; + + /* We have the convention that pushing new rows starts only + after the prefetch stack has been emptied: */ + + ut_ad(plan->first_prefetched == 0); + } + + plan->n_rows_prefetched++; + + ut_ad(pos < SEL_MAX_N_PREFETCH); + + column = UT_LIST_GET_FIRST(plan->columns); + + while (column) { + if (!column->copy_val) { + /* There is no sense to push pointers to database + page fields when we do not keep latch on the page! */ + + goto next_col; + } + + if (!column->prefetch_buf) { + /* Allocate a new prefetch buffer */ + + sel_col_prefetch_buf_alloc(column); + } + + sel_buf = column->prefetch_buf + pos; + + val = que_node_get_val(column); + + data = dfield_get_data(val); + len = dfield_get_len(val); + val_buf_size = que_node_get_val_buf_size(column); + + /* We must keep track of the allocated memory for + column values to be able to free it later: therefore + we swap the values for sel_buf and val */ + + dfield_set_data(val, sel_buf->data, sel_buf->len); + que_node_set_val_buf_size(column, sel_buf->val_buf_size); + + sel_buf->data = data; + sel_buf->len = len; + sel_buf->val_buf_size = val_buf_size; +next_col: + column = UT_LIST_GET_NEXT(col_var_list, column); + } +} + +/*********************************************************************//** +Builds a previous version of a clustered index record for a consistent read +@return DB_SUCCESS or error code */ +static +ulint +row_sel_build_prev_vers( +/*====================*/ + read_view_t* read_view, /*!< in: read view */ + dict_index_t* index, /*!< in: plan node for table */ + rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by + rec_get_offsets(rec, plan->index) */ + mem_heap_t** offset_heap, /*!< in/out: memory heap from which + the offsets are allocated */ + mem_heap_t** old_vers_heap, /*!< out: old version heap to use */ + rec_t** old_vers, /*!< out: old version, or NULL if the + record does not exist in the view: + i.e., it was freshly inserted + afterwards */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint err; + + if (*old_vers_heap) { + mem_heap_empty(*old_vers_heap); + } else { + *old_vers_heap = mem_heap_create(512); + } + + err = row_vers_build_for_consistent_read( + rec, mtr, index, offsets, read_view, offset_heap, + *old_vers_heap, old_vers); + return(err); +} + +/*********************************************************************//** +Builds the last committed version of a clustered index record for a +semi-consistent read. +@return DB_SUCCESS or error code */ +static +ulint +row_sel_build_committed_vers_for_mysql( +/*===================================*/ + dict_index_t* clust_index, /*!< in: clustered index */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by + rec_get_offsets(rec, clust_index) */ + mem_heap_t** offset_heap, /*!< in/out: memory heap from which + the offsets are allocated */ + const rec_t** old_vers, /*!< out: old version, or NULL if the + record does not exist in the view: + i.e., it was freshly inserted + afterwards */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint err; + + if (prebuilt->old_vers_heap) { + mem_heap_empty(prebuilt->old_vers_heap); + } else { + prebuilt->old_vers_heap = mem_heap_create(200); + } + + err = row_vers_build_for_semi_consistent_read( + rec, mtr, clust_index, offsets, offset_heap, + prebuilt->old_vers_heap, old_vers); + return(err); +} + +/*********************************************************************//** +Tests the conditions which determine when the index segment we are searching +through has been exhausted. +@return TRUE if row passed the tests */ +UNIV_INLINE +ibool +row_sel_test_end_conds( +/*===================*/ + plan_t* plan) /*!< in: plan for the table; the column values must + already have been retrieved and the right sides of + comparisons evaluated */ +{ + func_node_t* cond; + + /* All conditions in end_conds are comparisons of a column to an + expression */ + + cond = UT_LIST_GET_FIRST(plan->end_conds); + + while (cond) { + /* Evaluate the left side of the comparison, i.e., get the + column value if there is an indirection */ + + eval_sym(cond->args); + + /* Do the comparison */ + + if (!eval_cmp(cond)) { + + return(FALSE); + } + + cond = UT_LIST_GET_NEXT(cond_list, cond); + } + + return(TRUE); +} + +/*********************************************************************//** +Tests the other conditions. +@return TRUE if row passed the tests */ +UNIV_INLINE +ibool +row_sel_test_other_conds( +/*=====================*/ + plan_t* plan) /*!< in: plan for the table; the column values must + already have been retrieved */ +{ + func_node_t* cond; + + cond = UT_LIST_GET_FIRST(plan->other_conds); + + while (cond) { + eval_exp(cond); + + if (!eval_node_get_ibool_val(cond)) { + + return(FALSE); + } + + cond = UT_LIST_GET_NEXT(cond_list, cond); + } + + return(TRUE); +} + +/*********************************************************************//** +Retrieves the clustered index record corresponding to a record in a +non-clustered index. Does the necessary locking. +@return DB_SUCCESS or error code */ +static +ulint +row_sel_get_clust_rec( +/*==================*/ + sel_node_t* node, /*!< in: select_node */ + plan_t* plan, /*!< in: plan node for table */ + rec_t* rec, /*!< in: record in a non-clustered index */ + que_thr_t* thr, /*!< in: query thread */ + rec_t** out_rec,/*!< out: clustered record or an old version of + it, NULL if the old version did not exist + in the read view, i.e., it was a fresh + inserted version */ + mtr_t* mtr) /*!< in: mtr used to get access to the + non-clustered record; the same mtr is used to + access the clustered index */ +{ + dict_index_t* index; + rec_t* clust_rec; + rec_t* old_vers; + ulint err; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + *out_rec = NULL; + + offsets = rec_get_offsets(rec, + btr_pcur_get_btr_cur(&plan->pcur)->index, + offsets, ULINT_UNDEFINED, &heap); + + row_build_row_ref_fast(plan->clust_ref, plan->clust_map, rec, offsets); + + index = dict_table_get_first_index(plan->table); + + btr_pcur_open_with_no_init(index, plan->clust_ref, PAGE_CUR_LE, + BTR_SEARCH_LEAF, &plan->clust_pcur, + 0, mtr); + + clust_rec = btr_pcur_get_rec(&(plan->clust_pcur)); + + /* Note: only if the search ends up on a non-infimum record is the + low_match value the real match to the search tuple */ + + if (!page_rec_is_user_rec(clust_rec) + || btr_pcur_get_low_match(&(plan->clust_pcur)) + < dict_index_get_n_unique(index)) { + + ut_a(rec_get_deleted_flag(rec, + dict_table_is_comp(plan->table))); + ut_a(node->read_view); + + /* In a rare case it is possible that no clust rec is found + for a delete-marked secondary index record: if in row0umod.c + in row_undo_mod_remove_clust_low() we have already removed + the clust rec, while purge is still cleaning and removing + secondary index records associated with earlier versions of + the clustered index record. In that case we know that the + clustered index record did not exist in the read view of + trx. */ + + goto func_exit; + } + + offsets = rec_get_offsets(clust_rec, index, offsets, + ULINT_UNDEFINED, &heap); + + if (!node->read_view) { + /* Try to place a lock on the index record */ + + /* If innodb_locks_unsafe_for_binlog option is used + or this session is using READ COMMITTED isolation level + we lock only the record, i.e., next-key locking is + not used. */ + ulint lock_type; + trx_t* trx; + + trx = thr_get_trx(thr); + + if (srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + lock_type = LOCK_REC_NOT_GAP; + } else { + lock_type = LOCK_ORDINARY; + } + + err = lock_clust_rec_read_check_and_lock( + 0, btr_pcur_get_block(&plan->clust_pcur), + clust_rec, index, offsets, + node->row_lock_mode, lock_type, thr); + + if (err != DB_SUCCESS) { + + goto err_exit; + } + } else { + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + old_vers = NULL; + + if (!lock_clust_rec_cons_read_sees(clust_rec, index, offsets, + node->read_view)) { + + err = row_sel_build_prev_vers( + node->read_view, index, clust_rec, + &offsets, &heap, &plan->old_vers_heap, + &old_vers, mtr); + + if (err != DB_SUCCESS) { + + goto err_exit; + } + + clust_rec = old_vers; + + if (clust_rec == NULL) { + goto func_exit; + } + } + + /* If we had to go to an earlier version of row or the + secondary index record is delete marked, then it may be that + the secondary index record corresponding to clust_rec + (or old_vers) is not rec; in that case we must ignore + such row because in our snapshot rec would not have existed. + Remember that from rec we cannot see directly which transaction + id corresponds to it: we have to go to the clustered index + record. A query where we want to fetch all rows where + the secondary index value is in some interval would return + a wrong result if we would not drop rows which we come to + visit through secondary index records that would not really + exist in our snapshot. */ + + if ((old_vers + || rec_get_deleted_flag(rec, dict_table_is_comp( + plan->table))) + && !row_sel_sec_rec_is_for_clust_rec(rec, plan->index, + clust_rec, index)) { + goto func_exit; + } + } + + /* Fetch the columns needed in test conditions. The clustered + index record is protected by a page latch that was acquired + when plan->clust_pcur was positioned. The latch will not be + released until mtr_commit(mtr). */ + + row_sel_fetch_columns(index, clust_rec, offsets, + UT_LIST_GET_FIRST(plan->columns)); + *out_rec = clust_rec; +func_exit: + err = DB_SUCCESS; +err_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/*********************************************************************//** +Sets a lock on a record. +@return DB_SUCCESS or error code */ +UNIV_INLINE +ulint +sel_set_rec_lock( +/*=============*/ + const buf_block_t* block, /*!< in: buffer block of rec */ + const rec_t* rec, /*!< in: record */ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + ulint mode, /*!< in: lock mode */ + ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or + LOC_REC_NOT_GAP */ + que_thr_t* thr) /*!< in: query thread */ +{ + trx_t* trx; + ulint err; + + trx = thr_get_trx(thr); + + if (UT_LIST_GET_LEN(trx->trx_locks) > 10000) { + if (buf_LRU_buf_pool_running_out()) { + + return(DB_LOCK_TABLE_FULL); + } + } + + if (dict_index_is_clust(index)) { + err = lock_clust_rec_read_check_and_lock( + 0, block, rec, index, offsets, mode, type, thr); + } else { + err = lock_sec_rec_read_check_and_lock( + 0, block, rec, index, offsets, mode, type, thr); + } + + return(err); +} + +/*********************************************************************//** +Opens a pcur to a table index. */ +static +void +row_sel_open_pcur( +/*==============*/ + plan_t* plan, /*!< in: table plan */ + ibool search_latch_locked, + /*!< in: TRUE if the thread currently + has the search latch locked in + s-mode */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + func_node_t* cond; + que_node_t* exp; + ulint n_fields; + ulint has_search_latch = 0; /* RW_S_LATCH or 0 */ + ulint i; + + if (search_latch_locked) { + has_search_latch = RW_S_LATCH; + } + + index = plan->index; + + /* Calculate the value of the search tuple: the exact match columns + get their expressions evaluated when we evaluate the right sides of + end_conds */ + + cond = UT_LIST_GET_FIRST(plan->end_conds); + + while (cond) { + eval_exp(que_node_get_next(cond->args)); + + cond = UT_LIST_GET_NEXT(cond_list, cond); + } + + if (plan->tuple) { + n_fields = dtuple_get_n_fields(plan->tuple); + + if (plan->n_exact_match < n_fields) { + /* There is a non-exact match field which must be + evaluated separately */ + + eval_exp(plan->tuple_exps[n_fields - 1]); + } + + for (i = 0; i < n_fields; i++) { + exp = plan->tuple_exps[i]; + + dfield_copy_data(dtuple_get_nth_field(plan->tuple, i), + que_node_get_val(exp)); + } + + /* Open pcur to the index */ + + btr_pcur_open_with_no_init(index, plan->tuple, plan->mode, + BTR_SEARCH_LEAF, &plan->pcur, + has_search_latch, mtr); + } else { + /* Open the cursor to the start or the end of the index + (FALSE: no init) */ + + btr_pcur_open_at_index_side(plan->asc, index, BTR_SEARCH_LEAF, + &(plan->pcur), FALSE, mtr); + } + + ut_ad(plan->n_rows_prefetched == 0); + ut_ad(plan->n_rows_fetched == 0); + ut_ad(plan->cursor_at_end == FALSE); + + plan->pcur_is_open = TRUE; +} + +/*********************************************************************//** +Restores a stored pcur position to a table index. +@return TRUE if the cursor should be moved to the next record after we +return from this function (moved to the previous, in the case of a +descending cursor) without processing again the current cursor +record */ +static +ibool +row_sel_restore_pcur_pos( +/*=====================*/ + plan_t* plan, /*!< in: table plan */ + mtr_t* mtr) /*!< in: mtr */ +{ + ibool equal_position; + ulint relative_position; + + ut_ad(!plan->cursor_at_end); + + relative_position = btr_pcur_get_rel_pos(&(plan->pcur)); + + equal_position = btr_pcur_restore_position(BTR_SEARCH_LEAF, + &(plan->pcur), mtr); + + /* If the cursor is traveling upwards, and relative_position is + + (1) BTR_PCUR_BEFORE: this is not allowed, as we did not have a lock + yet on the successor of the page infimum; + (2) BTR_PCUR_AFTER: btr_pcur_restore_position placed the cursor on the + first record GREATER than the predecessor of a page supremum; we have + not yet processed the cursor record: no need to move the cursor to the + next record; + (3) BTR_PCUR_ON: btr_pcur_restore_position placed the cursor on the + last record LESS or EQUAL to the old stored user record; (a) if + equal_position is FALSE, this means that the cursor is now on a record + less than the old user record, and we must move to the next record; + (b) if equal_position is TRUE, then if + plan->stored_cursor_rec_processed is TRUE, we must move to the next + record, else there is no need to move the cursor. */ + + if (plan->asc) { + if (relative_position == BTR_PCUR_ON) { + + if (equal_position) { + + return(plan->stored_cursor_rec_processed); + } + + return(TRUE); + } + + ut_ad(relative_position == BTR_PCUR_AFTER + || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE); + + return(FALSE); + } + + /* If the cursor is traveling downwards, and relative_position is + + (1) BTR_PCUR_BEFORE: btr_pcur_restore_position placed the cursor on + the last record LESS than the successor of a page infimum; we have not + processed the cursor record: no need to move the cursor; + (2) BTR_PCUR_AFTER: btr_pcur_restore_position placed the cursor on the + first record GREATER than the predecessor of a page supremum; we have + processed the cursor record: we should move the cursor to the previous + record; + (3) BTR_PCUR_ON: btr_pcur_restore_position placed the cursor on the + last record LESS or EQUAL to the old stored user record; (a) if + equal_position is FALSE, this means that the cursor is now on a record + less than the old user record, and we need not move to the previous + record; (b) if equal_position is TRUE, then if + plan->stored_cursor_rec_processed is TRUE, we must move to the previous + record, else there is no need to move the cursor. */ + + if (relative_position == BTR_PCUR_BEFORE + || relative_position == BTR_PCUR_BEFORE_FIRST_IN_TREE) { + + return(FALSE); + } + + if (relative_position == BTR_PCUR_ON) { + + if (equal_position) { + + return(plan->stored_cursor_rec_processed); + } + + return(FALSE); + } + + ut_ad(relative_position == BTR_PCUR_AFTER + || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE); + + return(TRUE); +} + +/*********************************************************************//** +Resets a plan cursor to a closed state. */ +UNIV_INLINE +void +plan_reset_cursor( +/*==============*/ + plan_t* plan) /*!< in: plan */ +{ + plan->pcur_is_open = FALSE; + plan->cursor_at_end = FALSE; + plan->n_rows_fetched = 0; + plan->n_rows_prefetched = 0; +} + +/*********************************************************************//** +Tries to do a shortcut to fetch a clustered index record with a unique key, +using the hash index if possible (not always). +@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ +static +ulint +row_sel_try_search_shortcut( +/*========================*/ + sel_node_t* node, /*!< in: select node for a consistent read */ + plan_t* plan, /*!< in: plan for a unique search in clustered + index */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_index_t* index; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + ulint ret; + rec_offs_init(offsets_); + + index = plan->index; + + ut_ad(node->read_view); + ut_ad(plan->unique_search); + ut_ad(!plan->must_get_clust); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + row_sel_open_pcur(plan, TRUE, mtr); + + rec = btr_pcur_get_rec(&(plan->pcur)); + + if (!page_rec_is_user_rec(rec)) { + + return(SEL_RETRY); + } + + ut_ad(plan->mode == PAGE_CUR_GE); + + /* As the cursor is now placed on a user record after a search with + the mode PAGE_CUR_GE, the up_match field in the cursor tells how many + fields in the user record matched to the search tuple */ + + if (btr_pcur_get_up_match(&(plan->pcur)) < plan->n_exact_match) { + + return(SEL_EXHAUSTED); + } + + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + + if (dict_index_is_clust(index)) { + if (!lock_clust_rec_cons_read_sees(rec, index, offsets, + node->read_view)) { + ret = SEL_RETRY; + goto func_exit; + } + } else if (!lock_sec_rec_cons_read_sees(rec, node->read_view)) { + + ret = SEL_RETRY; + goto func_exit; + } + + /* Test the deleted flag. */ + + if (rec_get_deleted_flag(rec, dict_table_is_comp(plan->table))) { + + ret = SEL_EXHAUSTED; + goto func_exit; + } + + /* Fetch the columns needed in test conditions. The index + record is protected by a page latch that was acquired when + plan->pcur was positioned. The latch will not be released + until mtr_commit(mtr). */ + + row_sel_fetch_columns(index, rec, offsets, + UT_LIST_GET_FIRST(plan->columns)); + + /* Test the rest of search conditions */ + + if (!row_sel_test_other_conds(plan)) { + + ret = SEL_EXHAUSTED; + goto func_exit; + } + + ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); + + plan->n_rows_fetched++; + ret = SEL_FOUND; +func_exit: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(ret); +} + +/*********************************************************************//** +Performs a select step. +@return DB_SUCCESS or error code */ +static +ulint +row_sel( +/*====*/ + sel_node_t* node, /*!< in: select node */ + que_thr_t* thr) /*!< in: query thread */ +{ + dict_index_t* index; + plan_t* plan; + mtr_t mtr; + ibool moved; + rec_t* rec; + rec_t* old_vers; + rec_t* clust_rec; + ibool search_latch_locked; + ibool consistent_read; + + /* The following flag becomes TRUE when we are doing a + consistent read from a non-clustered index and we must look + at the clustered index to find out the previous delete mark + state of the non-clustered record: */ + + ibool cons_read_requires_clust_rec = FALSE; + ulint cost_counter = 0; + ibool cursor_just_opened; + ibool must_go_to_next; + ibool mtr_has_extra_clust_latch = FALSE; + /* TRUE if the search was made using + a non-clustered index, and we had to + access the clustered record: now &mtr + contains a clustered index latch, and + &mtr must be committed before we move + to the next non-clustered record */ + ulint found_flag; + ulint err; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_ad(thr->run_node == node); + + search_latch_locked = FALSE; + + if (node->read_view) { + /* In consistent reads, we try to do with the hash index and + not to use the buffer page get. This is to reduce memory bus + load resulting from semaphore operations. The search latch + will be s-locked when we access an index with a unique search + condition, but not locked when we access an index with a + less selective search condition. */ + + consistent_read = TRUE; + } else { + consistent_read = FALSE; + } + +table_loop: + /* TABLE LOOP + ---------- + This is the outer major loop in calculating a join. We come here when + node->fetch_table changes, and after adding a row to aggregate totals + and, of course, when this function is called. */ + + ut_ad(mtr_has_extra_clust_latch == FALSE); + + plan = sel_node_get_nth_plan(node, node->fetch_table); + index = plan->index; + + if (plan->n_rows_prefetched > 0) { + sel_pop_prefetched_row(plan); + + goto next_table_no_mtr; + } + + if (plan->cursor_at_end) { + /* The cursor has already reached the result set end: no more + rows to process for this table cursor, as also the prefetch + stack was empty */ + + ut_ad(plan->pcur_is_open); + + goto table_exhausted_no_mtr; + } + + /* Open a cursor to index, or restore an open cursor position */ + + mtr_start(&mtr); + + if (consistent_read && plan->unique_search && !plan->pcur_is_open + && !plan->must_get_clust + && !plan->table->big_rows) { + if (!search_latch_locked) { + rw_lock_s_lock(&btr_search_latch); + + search_latch_locked = TRUE; + } else if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_WAIT_EX) { + + /* There is an x-latch request waiting: release the + s-latch for a moment; as an s-latch here is often + kept for some 10 searches before being released, + a waiting x-latch request would block other threads + from acquiring an s-latch for a long time, lowering + performance significantly in multiprocessors. */ + + rw_lock_s_unlock(&btr_search_latch); + rw_lock_s_lock(&btr_search_latch); + } + + found_flag = row_sel_try_search_shortcut(node, plan, &mtr); + + if (found_flag == SEL_FOUND) { + + goto next_table; + + } else if (found_flag == SEL_EXHAUSTED) { + + goto table_exhausted; + } + + ut_ad(found_flag == SEL_RETRY); + + plan_reset_cursor(plan); + + mtr_commit(&mtr); + mtr_start(&mtr); + } + + if (search_latch_locked) { + rw_lock_s_unlock(&btr_search_latch); + + search_latch_locked = FALSE; + } + + if (!plan->pcur_is_open) { + /* Evaluate the expressions to build the search tuple and + open the cursor */ + + row_sel_open_pcur(plan, search_latch_locked, &mtr); + + cursor_just_opened = TRUE; + + /* A new search was made: increment the cost counter */ + cost_counter++; + } else { + /* Restore pcur position to the index */ + + must_go_to_next = row_sel_restore_pcur_pos(plan, &mtr); + + cursor_just_opened = FALSE; + + if (must_go_to_next) { + /* We have already processed the cursor record: move + to the next */ + + goto next_rec; + } + } + +rec_loop: + /* RECORD LOOP + ----------- + In this loop we use pcur and try to fetch a qualifying row, and + also fill the prefetch buffer for this table if n_rows_fetched has + exceeded a threshold. While we are inside this loop, the following + holds: + (1) &mtr is started, + (2) pcur is positioned and open. + + NOTE that if cursor_just_opened is TRUE here, it means that we came + to this point right after row_sel_open_pcur. */ + + ut_ad(mtr_has_extra_clust_latch == FALSE); + + rec = btr_pcur_get_rec(&(plan->pcur)); + + /* PHASE 1: Set a lock if specified */ + + if (!node->asc && cursor_just_opened + && !page_rec_is_supremum(rec)) { + + /* When we open a cursor for a descending search, we must set + a next-key lock on the successor record: otherwise it would + be possible to insert new records next to the cursor position, + and it might be that these new records should appear in the + search result set, resulting in the phantom problem. */ + + if (!consistent_read) { + + /* If innodb_locks_unsafe_for_binlog option is used + or this session is using READ COMMITTED isolation + level, we lock only the record, i.e., next-key + locking is not used. */ + + rec_t* next_rec = page_rec_get_next(rec); + ulint lock_type; + trx_t* trx; + + trx = thr_get_trx(thr); + + offsets = rec_get_offsets(next_rec, index, offsets, + ULINT_UNDEFINED, &heap); + + if (srv_locks_unsafe_for_binlog + || trx->isolation_level + == TRX_ISO_READ_COMMITTED) { + + if (page_rec_is_supremum(next_rec)) { + + goto skip_lock; + } + + lock_type = LOCK_REC_NOT_GAP; + } else { + lock_type = LOCK_ORDINARY; + } + + err = sel_set_rec_lock(btr_pcur_get_block(&plan->pcur), + next_rec, index, offsets, + node->row_lock_mode, + lock_type, thr); + + if (err != DB_SUCCESS) { + /* Note that in this case we will store in pcur + the PREDECESSOR of the record we are waiting + the lock for */ + + goto lock_wait_or_error; + } + } + } + +skip_lock: + if (page_rec_is_infimum(rec)) { + + /* The infimum record on a page cannot be in the result set, + and neither can a record lock be placed on it: we skip such + a record. We also increment the cost counter as we may have + processed yet another page of index. */ + + cost_counter++; + + goto next_rec; + } + + if (!consistent_read) { + /* Try to place a lock on the index record */ + + /* If innodb_locks_unsafe_for_binlog option is used + or this session is using READ COMMITTED isolation level, + we lock only the record, i.e., next-key locking is + not used. */ + + ulint lock_type; + trx_t* trx; + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + + trx = thr_get_trx(thr); + + if (srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + + if (page_rec_is_supremum(rec)) { + + goto next_rec; + } + + lock_type = LOCK_REC_NOT_GAP; + } else { + lock_type = LOCK_ORDINARY; + } + + err = sel_set_rec_lock(btr_pcur_get_block(&plan->pcur), + rec, index, offsets, + node->row_lock_mode, lock_type, thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + } + + if (page_rec_is_supremum(rec)) { + + /* A page supremum record cannot be in the result set: skip + it now when we have placed a possible lock on it */ + + goto next_rec; + } + + ut_ad(page_rec_is_user_rec(rec)); + + if (cost_counter > SEL_COST_LIMIT) { + + /* Now that we have placed the necessary locks, we can stop + for a while and store the cursor position; NOTE that if we + would store the cursor position BEFORE placing a record lock, + it might happen that the cursor would jump over some records + that another transaction could meanwhile insert adjacent to + the cursor: this would result in the phantom problem. */ + + goto stop_for_a_while; + } + + /* PHASE 2: Check a mixed index mix id if needed */ + + if (plan->unique_search && cursor_just_opened) { + + ut_ad(plan->mode == PAGE_CUR_GE); + + /* As the cursor is now placed on a user record after a search + with the mode PAGE_CUR_GE, the up_match field in the cursor + tells how many fields in the user record matched to the search + tuple */ + + if (btr_pcur_get_up_match(&(plan->pcur)) + < plan->n_exact_match) { + goto table_exhausted; + } + + /* Ok, no need to test end_conds or mix id */ + + } + + /* We are ready to look at a possible new index entry in the result + set: the cursor is now placed on a user record */ + + /* PHASE 3: Get previous version in a consistent read */ + + cons_read_requires_clust_rec = FALSE; + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + + if (consistent_read) { + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + if (dict_index_is_clust(index)) { + + if (!lock_clust_rec_cons_read_sees(rec, index, offsets, + node->read_view)) { + + err = row_sel_build_prev_vers( + node->read_view, index, rec, + &offsets, &heap, &plan->old_vers_heap, + &old_vers, &mtr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + + if (old_vers == NULL) { + offsets = rec_get_offsets( + rec, index, offsets, + ULINT_UNDEFINED, &heap); + + /* Fetch the columns needed in + test conditions. The clustered + index record is protected by a + page latch that was acquired + by row_sel_open_pcur() or + row_sel_restore_pcur_pos(). + The latch will not be released + until mtr_commit(mtr). */ + + row_sel_fetch_columns( + index, rec, offsets, + UT_LIST_GET_FIRST( + plan->columns)); + + if (!row_sel_test_end_conds(plan)) { + + goto table_exhausted; + } + + goto next_rec; + } + + rec = old_vers; + } + } else if (!lock_sec_rec_cons_read_sees(rec, + node->read_view)) { + cons_read_requires_clust_rec = TRUE; + } + } + + /* PHASE 4: Test search end conditions and deleted flag */ + + /* Fetch the columns needed in test conditions. The record is + protected by a page latch that was acquired by + row_sel_open_pcur() or row_sel_restore_pcur_pos(). The latch + will not be released until mtr_commit(mtr). */ + + row_sel_fetch_columns(index, rec, offsets, + UT_LIST_GET_FIRST(plan->columns)); + + /* Test the selection end conditions: these can only contain columns + which already are found in the index, even though the index might be + non-clustered */ + + if (plan->unique_search && cursor_just_opened) { + + /* No test necessary: the test was already made above */ + + } else if (!row_sel_test_end_conds(plan)) { + + goto table_exhausted; + } + + if (rec_get_deleted_flag(rec, dict_table_is_comp(plan->table)) + && !cons_read_requires_clust_rec) { + + /* The record is delete marked: we can skip it if this is + not a consistent read which might see an earlier version + of a non-clustered index record */ + + if (plan->unique_search) { + + goto table_exhausted; + } + + goto next_rec; + } + + /* PHASE 5: Get the clustered index record, if needed and if we did + not do the search using the clustered index */ + + if (plan->must_get_clust || cons_read_requires_clust_rec) { + + /* It was a non-clustered index and we must fetch also the + clustered index record */ + + err = row_sel_get_clust_rec(node, plan, rec, thr, &clust_rec, + &mtr); + mtr_has_extra_clust_latch = TRUE; + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + + /* Retrieving the clustered record required a search: + increment the cost counter */ + + cost_counter++; + + if (clust_rec == NULL) { + /* The record did not exist in the read view */ + ut_ad(consistent_read); + + goto next_rec; + } + + if (rec_get_deleted_flag(clust_rec, + dict_table_is_comp(plan->table))) { + + /* The record is delete marked: we can skip it */ + + goto next_rec; + } + + if (node->can_get_updated) { + + btr_pcur_store_position(&(plan->clust_pcur), &mtr); + } + } + + /* PHASE 6: Test the rest of search conditions */ + + if (!row_sel_test_other_conds(plan)) { + + if (plan->unique_search) { + + goto table_exhausted; + } + + goto next_rec; + } + + /* PHASE 7: We found a new qualifying row for the current table; push + the row if prefetch is on, or move to the next table in the join */ + + plan->n_rows_fetched++; + + ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); + + if ((plan->n_rows_fetched <= SEL_PREFETCH_LIMIT) + || plan->unique_search || plan->no_prefetch + || plan->table->big_rows) { + + /* No prefetch in operation: go to the next table */ + + goto next_table; + } + + sel_push_prefetched_row(plan); + + if (plan->n_rows_prefetched == SEL_MAX_N_PREFETCH) { + + /* The prefetch buffer is now full */ + + sel_pop_prefetched_row(plan); + + goto next_table; + } + +next_rec: + ut_ad(!search_latch_locked); + + if (mtr_has_extra_clust_latch) { + + /* We must commit &mtr if we are moving to the next + non-clustered index record, because we could break the + latching order if we would access a different clustered + index page right away without releasing the previous. */ + + goto commit_mtr_for_a_while; + } + + if (node->asc) { + moved = btr_pcur_move_to_next(&(plan->pcur), &mtr); + } else { + moved = btr_pcur_move_to_prev(&(plan->pcur), &mtr); + } + + if (!moved) { + + goto table_exhausted; + } + + cursor_just_opened = FALSE; + + /* END OF RECORD LOOP + ------------------ */ + goto rec_loop; + +next_table: + /* We found a record which satisfies the conditions: we can move to + the next table or return a row in the result set */ + + ut_ad(btr_pcur_is_on_user_rec(&plan->pcur)); + + if (plan->unique_search && !node->can_get_updated) { + + plan->cursor_at_end = TRUE; + } else { + ut_ad(!search_latch_locked); + + plan->stored_cursor_rec_processed = TRUE; + + btr_pcur_store_position(&(plan->pcur), &mtr); + } + + mtr_commit(&mtr); + + mtr_has_extra_clust_latch = FALSE; + +next_table_no_mtr: + /* If we use 'goto' to this label, it means that the row was popped + from the prefetched rows stack, and &mtr is already committed */ + + if (node->fetch_table + 1 == node->n_tables) { + + sel_eval_select_list(node); + + if (node->is_aggregate) { + + goto table_loop; + } + + sel_assign_into_var_values(node->into_list, node); + + thr->run_node = que_node_get_parent(node); + + err = DB_SUCCESS; + goto func_exit; + } + + node->fetch_table++; + + /* When we move to the next table, we first reset the plan cursor: + we do not care about resetting it when we backtrack from a table */ + + plan_reset_cursor(sel_node_get_nth_plan(node, node->fetch_table)); + + goto table_loop; + +table_exhausted: + /* The table cursor pcur reached the result set end: backtrack to the + previous table in the join if we do not have cached prefetched rows */ + + plan->cursor_at_end = TRUE; + + mtr_commit(&mtr); + + mtr_has_extra_clust_latch = FALSE; + + if (plan->n_rows_prefetched > 0) { + /* The table became exhausted during a prefetch */ + + sel_pop_prefetched_row(plan); + + goto next_table_no_mtr; + } + +table_exhausted_no_mtr: + if (node->fetch_table == 0) { + err = DB_SUCCESS; + + if (node->is_aggregate && !node->aggregate_already_fetched) { + + node->aggregate_already_fetched = TRUE; + + sel_assign_into_var_values(node->into_list, node); + + thr->run_node = que_node_get_parent(node); + } else { + node->state = SEL_NODE_NO_MORE_ROWS; + + thr->run_node = que_node_get_parent(node); + } + + goto func_exit; + } + + node->fetch_table--; + + goto table_loop; + +stop_for_a_while: + /* Return control for a while to que_run_threads, so that runaway + queries can be canceled. NOTE that when we come here, we must, in a + locking read, have placed the necessary (possibly waiting request) + record lock on the cursor record or its successor: when we reposition + the cursor, this record lock guarantees that nobody can meanwhile have + inserted new records which should have appeared in the result set, + which would result in the phantom problem. */ + + ut_ad(!search_latch_locked); + + plan->stored_cursor_rec_processed = FALSE; + btr_pcur_store_position(&(plan->pcur), &mtr); + + mtr_commit(&mtr); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(sync_thread_levels_empty_gen(TRUE)); +#endif /* UNIV_SYNC_DEBUG */ + err = DB_SUCCESS; + goto func_exit; + +commit_mtr_for_a_while: + /* Stores the cursor position and commits &mtr; this is used if + &mtr may contain latches which would break the latching order if + &mtr would not be committed and the latches released. */ + + plan->stored_cursor_rec_processed = TRUE; + + ut_ad(!search_latch_locked); + btr_pcur_store_position(&(plan->pcur), &mtr); + + mtr_commit(&mtr); + + mtr_has_extra_clust_latch = FALSE; + +#ifdef UNIV_SYNC_DEBUG + ut_ad(sync_thread_levels_empty_gen(TRUE)); +#endif /* UNIV_SYNC_DEBUG */ + + goto table_loop; + +lock_wait_or_error: + /* See the note at stop_for_a_while: the same holds for this case */ + + ut_ad(!btr_pcur_is_before_first_on_page(&plan->pcur) || !node->asc); + ut_ad(!search_latch_locked); + + plan->stored_cursor_rec_processed = FALSE; + btr_pcur_store_position(&(plan->pcur), &mtr); + + mtr_commit(&mtr); + +#ifdef UNIV_SYNC_DEBUG + ut_ad(sync_thread_levels_empty_gen(TRUE)); +#endif /* UNIV_SYNC_DEBUG */ + +func_exit: + if (search_latch_locked) { + rw_lock_s_unlock(&btr_search_latch); + } + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); +} + +/**********************************************************************//** +Performs a select step. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_sel_step( +/*=========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint i_lock_mode; + sym_node_t* table_node; + sel_node_t* node; + ulint err; + + ut_ad(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_SELECT); + + /* If this is a new time this node is executed (or when execution + resumes after wait for a table intention lock), set intention locks + on the tables, or assign a read view */ + + if (node->into_list && (thr->prev_node == que_node_get_parent(node))) { + + node->state = SEL_NODE_OPEN; + } + + if (node->state == SEL_NODE_OPEN) { + + /* It may be that the current session has not yet started + its transaction, or it has been committed: */ + + trx_start_if_not_started(thr_get_trx(thr)); + + plan_reset_cursor(sel_node_get_nth_plan(node, 0)); + + if (node->consistent_read) { + /* Assign a read view for the query */ + node->read_view = trx_assign_read_view( + thr_get_trx(thr)); + } else { + if (node->set_x_locks) { + i_lock_mode = LOCK_IX; + } else { + i_lock_mode = LOCK_IS; + } + + table_node = node->table_list; + + while (table_node) { + err = lock_table(0, table_node->table, + i_lock_mode, thr); + if (err != DB_SUCCESS) { + thr_get_trx(thr)->error_state = err; + + return(NULL); + } + + table_node = que_node_get_next(table_node); + } + } + + /* If this is an explicit cursor, copy stored procedure + variable values, so that the values cannot change between + fetches (currently, we copy them also for non-explicit + cursors) */ + + if (node->explicit_cursor + && UT_LIST_GET_FIRST(node->copy_variables)) { + + row_sel_copy_input_variable_vals(node); + } + + node->state = SEL_NODE_FETCH; + node->fetch_table = 0; + + if (node->is_aggregate) { + /* Reset the aggregate total values */ + sel_reset_aggregate_vals(node); + } + } + + err = row_sel(node, thr); + + /* NOTE! if queries are parallelized, the following assignment may + have problems; the assignment should be made only if thr is the + only top-level thr in the graph: */ + + thr->graph->last_sel_node = node; + + if (err != DB_SUCCESS) { + thr_get_trx(thr)->error_state = err; + + return(NULL); + } + + return(thr); +} + +/**********************************************************************//** +Performs a fetch for a cursor. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +fetch_step( +/*=======*/ + que_thr_t* thr) /*!< in: query thread */ +{ + sel_node_t* sel_node; + fetch_node_t* node; + + ut_ad(thr); + + node = thr->run_node; + sel_node = node->cursor_def; + + ut_ad(que_node_get_type(node) == QUE_NODE_FETCH); + + if (thr->prev_node != que_node_get_parent(node)) { + + if (sel_node->state != SEL_NODE_NO_MORE_ROWS) { + + if (node->into_list) { + sel_assign_into_var_values(node->into_list, + sel_node); + } else { + void* ret = (*node->func->func)( + sel_node, node->func->arg); + + if (!ret) { + sel_node->state + = SEL_NODE_NO_MORE_ROWS; + } + } + } + + thr->run_node = que_node_get_parent(node); + + return(thr); + } + + /* Make the fetch node the parent of the cursor definition for + the time of the fetch, so that execution knows to return to this + fetch node after a row has been selected or we know that there is + no row left */ + + sel_node->common.parent = node; + + if (sel_node->state == SEL_NODE_CLOSED) { + fprintf(stderr, + "InnoDB: Error: fetch called on a closed cursor\n"); + + thr_get_trx(thr)->error_state = DB_ERROR; + + return(NULL); + } + + thr->run_node = sel_node; + + return(thr); +} + +/****************************************************************//** +Sample callback function for fetch that prints each row. +@return always returns non-NULL */ +UNIV_INTERN +void* +row_fetch_print( +/*============*/ + void* row, /*!< in: sel_node_t* */ + void* user_arg) /*!< in: not used */ +{ + sel_node_t* node = row; + que_node_t* exp; + ulint i = 0; + + UT_NOT_USED(user_arg); + + fprintf(stderr, "row_fetch_print: row %p\n", row); + + exp = node->select_list; + + while (exp) { + dfield_t* dfield = que_node_get_val(exp); + const dtype_t* type = dfield_get_type(dfield); + + fprintf(stderr, " column %lu:\n", (ulong)i); + + dtype_print(type); + putc('\n', stderr); + + if (dfield_get_len(dfield) != UNIV_SQL_NULL) { + ut_print_buf(stderr, dfield_get_data(dfield), + dfield_get_len(dfield)); + putc('\n', stderr); + } else { + fputs(" ;\n", stderr); + } + + exp = que_node_get_next(exp); + i++; + } + + return((void*)42); +} + +/***********************************************************//** +Prints a row in a select result. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_printf_step( +/*============*/ + que_thr_t* thr) /*!< in: query thread */ +{ + row_printf_node_t* node; + sel_node_t* sel_node; + que_node_t* arg; + + ut_ad(thr); + + node = thr->run_node; + + sel_node = node->sel_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_ROW_PRINTF); + + if (thr->prev_node == que_node_get_parent(node)) { + + /* Reset the cursor */ + sel_node->state = SEL_NODE_OPEN; + + /* Fetch next row to print */ + + thr->run_node = sel_node; + + return(thr); + } + + if (sel_node->state != SEL_NODE_FETCH) { + + ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); + + /* No more rows to print */ + + thr->run_node = que_node_get_parent(node); + + return(thr); + } + + arg = sel_node->select_list; + + while (arg) { + dfield_print_also_hex(que_node_get_val(arg)); + + fputs(" ::: ", stderr); + + arg = que_node_get_next(arg); + } + + putc('\n', stderr); + + /* Fetch next row to print */ + + thr->run_node = sel_node; + + return(thr); +} + +/****************************************************************//** +Converts a key value stored in MySQL format to an Innobase dtuple. The last +field of the key value may be just a prefix of a fixed length field: hence +the parameter key_len. But currently we do not allow search keys where the +last field is only a prefix of the full key field len and print a warning if +such appears. A counterpart of this function is +ha_innobase::store_key_val_for_row() in ha_innodb.cc. */ +UNIV_INTERN +void +row_sel_convert_mysql_key_to_innobase( +/*==================================*/ + dtuple_t* tuple, /*!< in/out: tuple where to build; + NOTE: we assume that the type info + in the tuple is already according + to index! */ + byte* buf, /*!< in: buffer to use in field + conversions */ + ulint buf_len, /*!< in: buffer length */ + dict_index_t* index, /*!< in: index of the key value */ + const byte* key_ptr, /*!< in: MySQL key value */ + ulint key_len, /*!< in: MySQL key value length */ + trx_t* trx) /*!< in: transaction */ +{ + byte* original_buf = buf; + const byte* original_key_ptr = key_ptr; + dict_field_t* field; + dfield_t* dfield; + ulint data_offset; + ulint data_len; + ulint data_field_len; + ibool is_null; + const byte* key_end; + ulint n_fields = 0; + + /* For documentation of the key value storage format in MySQL, see + ha_innobase::store_key_val_for_row() in ha_innodb.cc. */ + + key_end = key_ptr + key_len; + + /* Permit us to access any field in the tuple (ULINT_MAX): */ + + dtuple_set_n_fields(tuple, ULINT_MAX); + + dfield = dtuple_get_nth_field(tuple, 0); + field = dict_index_get_nth_field(index, 0); + + if (UNIV_UNLIKELY(dfield_get_type(dfield)->mtype == DATA_SYS)) { + /* A special case: we are looking for a position in the + generated clustered index which InnoDB automatically added + to a table with no primary key: the first and the only + ordering column is ROW_ID which InnoDB stored to the key_ptr + buffer. */ + + ut_a(key_len == DATA_ROW_ID_LEN); + + dfield_set_data(dfield, key_ptr, DATA_ROW_ID_LEN); + + dtuple_set_n_fields(tuple, 1); + + return; + } + + while (key_ptr < key_end) { + + ulint type = dfield_get_type(dfield)->mtype; + ut_a(field->col->mtype == type); + + data_offset = 0; + is_null = FALSE; + + if (!(dfield_get_type(dfield)->prtype & DATA_NOT_NULL)) { + /* The first byte in the field tells if this is + an SQL NULL value */ + + data_offset = 1; + + if (*key_ptr != 0) { + dfield_set_null(dfield); + + is_null = TRUE; + } + } + + /* Calculate data length and data field total length */ + + if (type == DATA_BLOB) { + /* The key field is a column prefix of a BLOB or + TEXT */ + + ut_a(field->prefix_len > 0); + + /* MySQL stores the actual data length to the first 2 + bytes after the optional SQL NULL marker byte. The + storage format is little-endian, that is, the most + significant byte at a higher address. In UTF-8, MySQL + seems to reserve field->prefix_len bytes for + storing this field in the key value buffer, even + though the actual value only takes data_len bytes + from the start. */ + + data_len = key_ptr[data_offset] + + 256 * key_ptr[data_offset + 1]; + data_field_len = data_offset + 2 + field->prefix_len; + + data_offset += 2; + + /* Now that we know the length, we store the column + value like it would be a fixed char field */ + + } else if (field->prefix_len > 0) { + /* Looks like MySQL pads unused end bytes in the + prefix with space. Therefore, also in UTF-8, it is ok + to compare with a prefix containing full prefix_len + bytes, and no need to take at most prefix_len / 3 + UTF-8 characters from the start. + If the prefix is used as the upper end of a LIKE + 'abc%' query, then MySQL pads the end with chars + 0xff. TODO: in that case does it any harm to compare + with the full prefix_len bytes. How do characters + 0xff in UTF-8 behave? */ + + data_len = field->prefix_len; + data_field_len = data_offset + data_len; + } else { + data_len = dfield_get_type(dfield)->len; + data_field_len = data_offset + data_len; + } + + if (UNIV_UNLIKELY + (dtype_get_mysql_type(dfield_get_type(dfield)) + == DATA_MYSQL_TRUE_VARCHAR) + && UNIV_LIKELY(type != DATA_INT)) { + /* In a MySQL key value format, a true VARCHAR is + always preceded by 2 bytes of a length field. + dfield_get_type(dfield)->len returns the maximum + 'payload' len in bytes. That does not include the + 2 bytes that tell the actual data length. + + We added the check != DATA_INT to make sure we do + not treat MySQL ENUM or SET as a true VARCHAR! */ + + data_len += 2; + data_field_len += 2; + } + + /* Storing may use at most data_len bytes of buf */ + + if (UNIV_LIKELY(!is_null)) { + row_mysql_store_col_in_innobase_format( + dfield, buf, + FALSE, /* MySQL key value format col */ + key_ptr + data_offset, data_len, + dict_table_is_comp(index->table)); + buf += data_len; + } + + key_ptr += data_field_len; + + if (UNIV_UNLIKELY(key_ptr > key_end)) { + /* The last field in key was not a complete key field + but a prefix of it. + + Print a warning about this! HA_READ_PREFIX_LAST does + not currently work in InnoDB with partial-field key + value prefixes. Since MySQL currently uses a padding + trick to calculate LIKE 'abc%' type queries there + should never be partial-field prefixes in searches. */ + + ut_print_timestamp(stderr); + + fputs(" InnoDB: Warning: using a partial-field" + " key prefix in search.\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + fprintf(stderr, ". Last data field length %lu bytes,\n" + "InnoDB: key ptr now exceeds" + " key end by %lu bytes.\n" + "InnoDB: Key value in the MySQL format:\n", + (ulong) data_field_len, + (ulong) (key_ptr - key_end)); + fflush(stderr); + ut_print_buf(stderr, original_key_ptr, key_len); + putc('\n', stderr); + + if (!is_null) { + ulint len = dfield_get_len(dfield); + dfield_set_len(dfield, len + - (ulint) (key_ptr - key_end)); + } + } + + n_fields++; + field++; + dfield++; + } + + ut_a(buf <= original_buf + buf_len); + + /* We set the length of tuple to n_fields: we assume that the memory + area allocated for it is big enough (usually bigger than n_fields). */ + + dtuple_set_n_fields(tuple, n_fields); +} + +/**************************************************************//** +Stores the row id to the prebuilt struct. */ +static +void +row_sel_store_row_id_to_prebuilt( +/*=============================*/ + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt */ + const rec_t* index_rec, /*!< in: record */ + const dict_index_t* index, /*!< in: index of the record */ + const ulint* offsets) /*!< in: rec_get_offsets + (index_rec, index) */ +{ + const byte* data; + ulint len; + + ut_ad(rec_offs_validate(index_rec, index, offsets)); + + data = rec_get_nth_field( + index_rec, offsets, + dict_index_get_sys_col_pos(index, DATA_ROW_ID), &len); + + if (UNIV_UNLIKELY(len != DATA_ROW_ID_LEN)) { + fprintf(stderr, + "InnoDB: Error: Row id field is" + " wrong length %lu in ", (ulong) len); + dict_index_name_print(stderr, prebuilt->trx, index); + fprintf(stderr, "\n" + "InnoDB: Field number %lu, record:\n", + (ulong) dict_index_get_sys_col_pos(index, + DATA_ROW_ID)); + rec_print_new(stderr, index_rec, offsets); + putc('\n', stderr); + ut_error; + } + + ut_memcpy(prebuilt->row_id, data, len); +} + +/**************************************************************//** +Stores a non-SQL-NULL field in the MySQL format. The counterpart of this +function is row_mysql_store_col_in_innobase_format() in row0mysql.c. */ +static +void +row_sel_field_store_in_mysql_format( +/*================================*/ + byte* dest, /*!< in/out: buffer where to store; NOTE + that BLOBs are not in themselves + stored here: the caller must allocate + and copy the BLOB into buffer before, + and pass the pointer to the BLOB in + 'data' */ + const mysql_row_templ_t* templ, + /*!< in: MySQL column template. + Its following fields are referenced: + type, is_unsigned, mysql_col_len, + mbminlen, mbmaxlen */ + const byte* data, /*!< in: data to store */ + ulint len) /*!< in: length of the data */ +{ + byte* ptr; + byte* field_end; + byte* pad_ptr; + + ut_ad(len != UNIV_SQL_NULL); + + switch (templ->type) { + case DATA_INT: + /* Convert integer data from Innobase to a little-endian + format, sign bit restored to normal */ + + ptr = dest + len; + + for (;;) { + ptr--; + *ptr = *data; + if (ptr == dest) { + break; + } + data++; + } + + if (!templ->is_unsigned) { + dest[len - 1] = (byte) (dest[len - 1] ^ 128); + } + + ut_ad(templ->mysql_col_len == len); + break; + + case DATA_VARCHAR: + case DATA_VARMYSQL: + case DATA_BINARY: + field_end = dest + templ->mysql_col_len; + + if (templ->mysql_type == DATA_MYSQL_TRUE_VARCHAR) { + /* This is a >= 5.0.3 type true VARCHAR. Store the + length of the data to the first byte or the first + two bytes of dest. */ + + dest = row_mysql_store_true_var_len( + dest, len, templ->mysql_length_bytes); + } + + /* Copy the actual data */ + ut_memcpy(dest, data, len); + + /* Pad with trailing spaces. We pad with spaces also the + unused end of a >= 5.0.3 true VARCHAR column, just in case + MySQL expects its contents to be deterministic. */ + + pad_ptr = dest + len; + + ut_ad(templ->mbminlen <= templ->mbmaxlen); + + /* We handle UCS2 charset strings differently. */ + if (templ->mbminlen == 2) { + /* A space char is two bytes, 0x0020 in UCS2 */ + + if (len & 1) { + /* A 0x20 has been stripped from the column. + Pad it back. */ + + if (pad_ptr < field_end) { + *pad_ptr = 0x20; + pad_ptr++; + } + } + + /* Pad the rest of the string with 0x0020 */ + + while (pad_ptr < field_end) { + *pad_ptr = 0x00; + pad_ptr++; + *pad_ptr = 0x20; + pad_ptr++; + } + } else { + ut_ad(templ->mbminlen == 1); + /* space=0x20 */ + + memset(pad_ptr, 0x20, field_end - pad_ptr); + } + break; + + case DATA_BLOB: + /* Store a pointer to the BLOB buffer to dest: the BLOB was + already copied to the buffer in row_sel_store_mysql_rec */ + + row_mysql_store_blob_ref(dest, templ->mysql_col_len, data, + len); + break; + + case DATA_MYSQL: + memcpy(dest, data, len); + + ut_ad(templ->mysql_col_len >= len); + ut_ad(templ->mbmaxlen >= templ->mbminlen); + + ut_ad(templ->mbmaxlen > templ->mbminlen + || templ->mysql_col_len == len); + /* The following assertion would fail for old tables + containing UTF-8 ENUM columns due to Bug #9526. */ + ut_ad(!templ->mbmaxlen + || !(templ->mysql_col_len % templ->mbmaxlen)); + ut_ad(len * templ->mbmaxlen >= templ->mysql_col_len); + + if (templ->mbminlen != templ->mbmaxlen) { + /* Pad with spaces. This undoes the stripping + done in row0mysql.ic, function + row_mysql_store_col_in_innobase_format(). */ + + memset(dest + len, 0x20, templ->mysql_col_len - len); + } + break; + + default: +#ifdef UNIV_DEBUG + case DATA_SYS_CHILD: + case DATA_SYS: + /* These column types should never be shipped to MySQL. */ + ut_ad(0); + + case DATA_CHAR: + case DATA_FIXBINARY: + case DATA_FLOAT: + case DATA_DOUBLE: + case DATA_DECIMAL: + /* Above are the valid column types for MySQL data. */ +#endif /* UNIV_DEBUG */ + ut_ad(templ->mysql_col_len == len); + memcpy(dest, data, len); + } +} + +/**************************************************************//** +Convert a row in the Innobase format to a row in the MySQL format. +Note that the template in prebuilt may advise us to copy only a few +columns to mysql_rec, other columns are left blank. All columns may not +be needed in the query. +@return TRUE if success, FALSE if could not allocate memory for a BLOB +(though we may also assert in that case) */ +static +ibool +row_sel_store_mysql_rec( +/*====================*/ + byte* mysql_rec, /*!< out: row in the MySQL format */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: Innobase record in the index + which was described in prebuilt's + template; must be protected by + a page latch */ + const ulint* offsets) /*!< in: array returned by + rec_get_offsets() */ +{ + mysql_row_templ_t* templ; + mem_heap_t* extern_field_heap = NULL; + mem_heap_t* heap; + const byte* data; + ulint len; + ulint i; + + ut_ad(prebuilt->mysql_template); + ut_ad(prebuilt->default_rec); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + if (UNIV_LIKELY_NULL(prebuilt->blob_heap)) { + mem_heap_free(prebuilt->blob_heap); + prebuilt->blob_heap = NULL; + } + + for (i = 0; i < prebuilt->n_template; i++) { + + templ = prebuilt->mysql_template + i; + + if (UNIV_UNLIKELY(rec_offs_nth_extern(offsets, + templ->rec_field_no))) { + + /* Copy an externally stored field to the temporary + heap */ + + ut_a(!prebuilt->trx->has_search_latch); + + if (UNIV_UNLIKELY(templ->type == DATA_BLOB)) { + if (prebuilt->blob_heap == NULL) { + prebuilt->blob_heap = mem_heap_create( + UNIV_PAGE_SIZE); + } + + heap = prebuilt->blob_heap; + } else { + extern_field_heap + = mem_heap_create(UNIV_PAGE_SIZE); + + heap = extern_field_heap; + } + + /* NOTE: if we are retrieving a big BLOB, we may + already run out of memory in the next call, which + causes an assert */ + + data = btr_rec_copy_externally_stored_field( + rec, offsets, + dict_table_zip_size(prebuilt->table), + templ->rec_field_no, &len, heap); + + ut_a(len != UNIV_SQL_NULL); + } else { + /* Field is stored in the row. */ + + data = rec_get_nth_field(rec, offsets, + templ->rec_field_no, &len); + + if (UNIV_UNLIKELY(templ->type == DATA_BLOB) + && len != UNIV_SQL_NULL) { + + /* It is a BLOB field locally stored in the + InnoDB record: we MUST copy its contents to + prebuilt->blob_heap here because later code + assumes all BLOB values have been copied to a + safe place. */ + + if (prebuilt->blob_heap == NULL) { + prebuilt->blob_heap = mem_heap_create( + UNIV_PAGE_SIZE); + } + + data = memcpy(mem_heap_alloc( + prebuilt->blob_heap, len), + data, len); + } + } + + if (len != UNIV_SQL_NULL) { + row_sel_field_store_in_mysql_format( + mysql_rec + templ->mysql_col_offset, + templ, data, len); + + /* Cleanup */ + if (extern_field_heap) { + mem_heap_free(extern_field_heap); + extern_field_heap = NULL; + } + + if (templ->mysql_null_bit_mask) { + /* It is a nullable column with a non-NULL + value */ + mysql_rec[templ->mysql_null_byte_offset] + &= ~(byte) templ->mysql_null_bit_mask; + } + } else { + /* MySQL assumes that the field for an SQL + NULL value is set to the default value. */ + + mysql_rec[templ->mysql_null_byte_offset] + |= (byte) templ->mysql_null_bit_mask; + memcpy(mysql_rec + templ->mysql_col_offset, + (const byte*) prebuilt->default_rec + + templ->mysql_col_offset, + templ->mysql_col_len); + } + } + + return(TRUE); +} + +/*********************************************************************//** +Builds a previous version of a clustered index record for a consistent read +@return DB_SUCCESS or error code */ +static +ulint +row_sel_build_prev_vers_for_mysql( +/*==============================*/ + read_view_t* read_view, /*!< in: read view */ + dict_index_t* clust_index, /*!< in: clustered index */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record in a clustered index */ + ulint** offsets, /*!< in/out: offsets returned by + rec_get_offsets(rec, clust_index) */ + mem_heap_t** offset_heap, /*!< in/out: memory heap from which + the offsets are allocated */ + rec_t** old_vers, /*!< out: old version, or NULL if the + record does not exist in the view: + i.e., it was freshly inserted + afterwards */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint err; + + if (prebuilt->old_vers_heap) { + mem_heap_empty(prebuilt->old_vers_heap); + } else { + prebuilt->old_vers_heap = mem_heap_create(200); + } + + err = row_vers_build_for_consistent_read( + rec, mtr, clust_index, offsets, read_view, offset_heap, + prebuilt->old_vers_heap, old_vers); + return(err); +} + +/*********************************************************************//** +Retrieves the clustered index record corresponding to a record in a +non-clustered index. Does the necessary locking. Used in the MySQL +interface. +@return DB_SUCCESS or error code */ +static +ulint +row_sel_get_clust_rec_for_mysql( +/*============================*/ + row_prebuilt_t* prebuilt,/*!< in: prebuilt struct in the handle */ + dict_index_t* sec_index,/*!< in: secondary index where rec resides */ + const rec_t* rec, /*!< in: record in a non-clustered index; if + this is a locking read, then rec is not + allowed to be delete-marked, and that would + not make sense either */ + que_thr_t* thr, /*!< in: query thread */ + const rec_t** out_rec,/*!< out: clustered record or an old version of + it, NULL if the old version did not exist + in the read view, i.e., it was a fresh + inserted version */ + ulint** offsets,/*!< in: offsets returned by + rec_get_offsets(rec, sec_index); + out: offsets returned by + rec_get_offsets(out_rec, clust_index) */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which + the offsets are allocated */ + mtr_t* mtr) /*!< in: mtr used to get access to the + non-clustered record; the same mtr is used to + access the clustered index */ +{ + dict_index_t* clust_index; + const rec_t* clust_rec; + rec_t* old_vers; + ulint err; + trx_t* trx; + + *out_rec = NULL; + trx = thr_get_trx(thr); + + row_build_row_ref_in_tuple(prebuilt->clust_ref, rec, + sec_index, *offsets, trx); + + clust_index = dict_table_get_first_index(sec_index->table); + + btr_pcur_open_with_no_init(clust_index, prebuilt->clust_ref, + PAGE_CUR_LE, BTR_SEARCH_LEAF, + prebuilt->clust_pcur, 0, mtr); + + clust_rec = btr_pcur_get_rec(prebuilt->clust_pcur); + + prebuilt->clust_pcur->trx_if_known = trx; + + /* Note: only if the search ends up on a non-infimum record is the + low_match value the real match to the search tuple */ + + if (!page_rec_is_user_rec(clust_rec) + || btr_pcur_get_low_match(prebuilt->clust_pcur) + < dict_index_get_n_unique(clust_index)) { + + /* In a rare case it is possible that no clust rec is found + for a delete-marked secondary index record: if in row0umod.c + in row_undo_mod_remove_clust_low() we have already removed + the clust rec, while purge is still cleaning and removing + secondary index records associated with earlier versions of + the clustered index record. In that case we know that the + clustered index record did not exist in the read view of + trx. */ + + if (!rec_get_deleted_flag(rec, + dict_table_is_comp(sec_index->table)) + || prebuilt->select_lock_type != LOCK_NONE) { + ut_print_timestamp(stderr); + fputs(" InnoDB: error clustered record" + " for sec rec not found\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, sec_index); + fputs("\n" + "InnoDB: sec index record ", stderr); + rec_print(stderr, rec, sec_index); + fputs("\n" + "InnoDB: clust index record ", stderr); + rec_print(stderr, clust_rec, clust_index); + putc('\n', stderr); + trx_print(stderr, trx, 600); + + fputs("\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", stderr); + } + + clust_rec = NULL; + + goto func_exit; + } + + *offsets = rec_get_offsets(clust_rec, clust_index, *offsets, + ULINT_UNDEFINED, offset_heap); + + if (prebuilt->select_lock_type != LOCK_NONE) { + /* Try to place a lock on the index record; we are searching + the clust rec with a unique condition, hence + we set a LOCK_REC_NOT_GAP type lock */ + + err = lock_clust_rec_read_check_and_lock( + 0, btr_pcur_get_block(prebuilt->clust_pcur), + clust_rec, clust_index, *offsets, + prebuilt->select_lock_type, LOCK_REC_NOT_GAP, thr); + if (err != DB_SUCCESS) { + + goto err_exit; + } + } else { + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + old_vers = NULL; + + /* If the isolation level allows reading of uncommitted data, + then we never look for an earlier version */ + + if (trx->isolation_level > TRX_ISO_READ_UNCOMMITTED + && !lock_clust_rec_cons_read_sees( + clust_rec, clust_index, *offsets, + trx->read_view)) { + + /* The following call returns 'offsets' associated with + 'old_vers' */ + err = row_sel_build_prev_vers_for_mysql( + trx->read_view, clust_index, prebuilt, + clust_rec, offsets, offset_heap, &old_vers, + mtr); + + if (err != DB_SUCCESS || old_vers == NULL) { + + goto err_exit; + } + + clust_rec = old_vers; + } + + /* If we had to go to an earlier version of row or the + secondary index record is delete marked, then it may be that + the secondary index record corresponding to clust_rec + (or old_vers) is not rec; in that case we must ignore + such row because in our snapshot rec would not have existed. + Remember that from rec we cannot see directly which transaction + id corresponds to it: we have to go to the clustered index + record. A query where we want to fetch all rows where + the secondary index value is in some interval would return + a wrong result if we would not drop rows which we come to + visit through secondary index records that would not really + exist in our snapshot. */ + + if (clust_rec + && (old_vers + || trx->isolation_level <= TRX_ISO_READ_UNCOMMITTED + || rec_get_deleted_flag(rec, dict_table_is_comp( + sec_index->table))) + && !row_sel_sec_rec_is_for_clust_rec( + rec, sec_index, clust_rec, clust_index)) { + clust_rec = NULL; +#ifdef UNIV_SEARCH_DEBUG + } else { + ut_a(clust_rec == NULL + || row_sel_sec_rec_is_for_clust_rec( + rec, sec_index, clust_rec, clust_index)); +#endif + } + } + +func_exit: + *out_rec = clust_rec; + + if (prebuilt->select_lock_type != LOCK_NONE) { + /* We may use the cursor in update or in unlock_row(): + store its position */ + + btr_pcur_store_position(prebuilt->clust_pcur, mtr); + } + + err = DB_SUCCESS; +err_exit: + return(err); +} + +/********************************************************************//** +Restores cursor position after it has been stored. We have to take into +account that the record cursor was positioned on may have been deleted. +Then we may have to move the cursor one step up or down. +@return TRUE if we may need to process the record the cursor is now +positioned on (i.e. we should not go to the next record yet) */ +static +ibool +sel_restore_position_for_mysql( +/*===========================*/ + ibool* same_user_rec, /*!< out: TRUE if we were able to restore + the cursor on a user record with the + same ordering prefix in in the + B-tree index */ + ulint latch_mode, /*!< in: latch mode wished in + restoration */ + btr_pcur_t* pcur, /*!< in: cursor whose position + has been stored */ + ibool moves_up, /*!< in: TRUE if the cursor moves up + in the index */ + mtr_t* mtr) /*!< in: mtr; CAUTION: may commit + mtr temporarily! */ +{ + ibool success; + ulint relative_position; + + relative_position = pcur->rel_pos; + + success = btr_pcur_restore_position(latch_mode, pcur, mtr); + + *same_user_rec = success; + + if (relative_position == BTR_PCUR_ON) { + if (success) { + return(FALSE); + } + + if (moves_up) { + btr_pcur_move_to_next(pcur, mtr); + } + + return(TRUE); + } + + if (relative_position == BTR_PCUR_AFTER + || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE) { + + if (moves_up) { + return(TRUE); + } + + if (btr_pcur_is_on_user_rec(pcur)) { + btr_pcur_move_to_prev(pcur, mtr); + } + + return(TRUE); + } + + ut_ad(relative_position == BTR_PCUR_BEFORE + || relative_position == BTR_PCUR_BEFORE_FIRST_IN_TREE); + + if (moves_up && btr_pcur_is_on_user_rec(pcur)) { + btr_pcur_move_to_next(pcur, mtr); + } + + return(TRUE); +} + +/********************************************************************//** +Pops a cached row for MySQL from the fetch cache. */ +UNIV_INLINE +void +row_sel_pop_cached_row_for_mysql( +/*=============================*/ + byte* buf, /*!< in/out: buffer where to copy the + row */ + row_prebuilt_t* prebuilt) /*!< in: prebuilt struct */ +{ + ulint i; + mysql_row_templ_t* templ; + byte* cached_rec; + ut_ad(prebuilt->n_fetch_cached > 0); + ut_ad(prebuilt->mysql_prefix_len <= prebuilt->mysql_row_len); + + if (UNIV_UNLIKELY(prebuilt->keep_other_fields_on_keyread)) { + /* Copy cache record field by field, don't touch fields that + are not covered by current key */ + cached_rec = prebuilt->fetch_cache[ + prebuilt->fetch_cache_first]; + + for (i = 0; i < prebuilt->n_template; i++) { + templ = prebuilt->mysql_template + i; + ut_memcpy(buf + templ->mysql_col_offset, + cached_rec + templ->mysql_col_offset, + templ->mysql_col_len); + /* Copy NULL bit of the current field from cached_rec + to buf */ + if (templ->mysql_null_bit_mask) { + buf[templ->mysql_null_byte_offset] + ^= (buf[templ->mysql_null_byte_offset] + ^ cached_rec[templ->mysql_null_byte_offset]) + & (byte)templ->mysql_null_bit_mask; + } + } + } + else { + ut_memcpy(buf, + prebuilt->fetch_cache[prebuilt->fetch_cache_first], + prebuilt->mysql_prefix_len); + } + prebuilt->n_fetch_cached--; + prebuilt->fetch_cache_first++; + + if (prebuilt->n_fetch_cached == 0) { + prebuilt->fetch_cache_first = 0; + } +} + +/********************************************************************//** +Pushes a row for MySQL to the fetch cache. */ +UNIV_INLINE +void +row_sel_push_cache_row_for_mysql( +/*=============================*/ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ + const rec_t* rec, /*!< in: record to push; must + be protected by a page latch */ + const ulint* offsets) /*!< in: rec_get_offsets() */ +{ + byte* buf; + ulint i; + + ut_ad(prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE); + ut_ad(rec_offs_validate(rec, NULL, offsets)); + ut_a(!prebuilt->templ_contains_blob); + + if (prebuilt->fetch_cache[0] == NULL) { + /* Allocate memory for the fetch cache */ + + for (i = 0; i < MYSQL_FETCH_CACHE_SIZE; i++) { + + /* A user has reported memory corruption in these + buffers in Linux. Put magic numbers there to help + to track a possible bug. */ + + buf = mem_alloc(prebuilt->mysql_row_len + 8); + + prebuilt->fetch_cache[i] = buf + 4; + + mach_write_to_4(buf, ROW_PREBUILT_FETCH_MAGIC_N); + mach_write_to_4(buf + 4 + prebuilt->mysql_row_len, + ROW_PREBUILT_FETCH_MAGIC_N); + } + } + + ut_ad(prebuilt->fetch_cache_first == 0); + + if (UNIV_UNLIKELY(!row_sel_store_mysql_rec( + prebuilt->fetch_cache[ + prebuilt->n_fetch_cached], + prebuilt, rec, offsets))) { + ut_error; + } + + prebuilt->n_fetch_cached++; +} + +/*********************************************************************//** +Tries to do a shortcut to fetch a clustered index record with a unique key, +using the hash index if possible (not always). We assume that the search +mode is PAGE_CUR_GE, it is a consistent read, there is a read view in trx, +btr search latch has been locked in S-mode. +@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ +static +ulint +row_sel_try_search_shortcut_for_mysql( +/*==================================*/ + const rec_t** out_rec,/*!< out: record if found */ + row_prebuilt_t* prebuilt,/*!< in: prebuilt struct */ + ulint** offsets,/*!< in/out: for rec_get_offsets(*out_rec) */ + mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ + mtr_t* mtr) /*!< in: started mtr */ +{ + dict_index_t* index = prebuilt->index; + const dtuple_t* search_tuple = prebuilt->search_tuple; + btr_pcur_t* pcur = prebuilt->pcur; + trx_t* trx = prebuilt->trx; + const rec_t* rec; + + ut_ad(dict_index_is_clust(index)); + ut_ad(!prebuilt->templ_contains_blob); + +#ifndef UNIV_SEARCH_DEBUG + btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, pcur, + RW_S_LATCH, + mtr); +#else /* UNIV_SEARCH_DEBUG */ + btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, + BTR_SEARCH_LEAF, pcur, + 0, + mtr); +#endif /* UNIV_SEARCH_DEBUG */ + rec = btr_pcur_get_rec(pcur); + + if (!page_rec_is_user_rec(rec)) { + + return(SEL_RETRY); + } + + /* As the cursor is now placed on a user record after a search with + the mode PAGE_CUR_GE, the up_match field in the cursor tells how many + fields in the user record matched to the search tuple */ + + if (btr_pcur_get_up_match(pcur) < dtuple_get_n_fields(search_tuple)) { + + return(SEL_EXHAUSTED); + } + + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + *offsets = rec_get_offsets(rec, index, *offsets, + ULINT_UNDEFINED, heap); + + if (!lock_clust_rec_cons_read_sees(rec, index, + *offsets, trx->read_view)) { + + return(SEL_RETRY); + } + + if (rec_get_deleted_flag(rec, dict_table_is_comp(index->table))) { + + return(SEL_EXHAUSTED); + } + + *out_rec = rec; + + return(SEL_FOUND); +} + +/********************************************************************//** +Searches for rows in the database. This is used in the interface to +MySQL. This function opens a cursor, and also implements fetch next +and fetch prev. NOTE that if we do a search with a full key value +from a unique index (ROW_SEL_EXACT), then we will not store the cursor +position and fetch next or fetch prev must not be tried to the cursor! +@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, +DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */ +UNIV_INTERN +ulint +row_search_for_mysql( +/*=================*/ + byte* buf, /*!< in/out: buffer for the fetched + row in the MySQL format */ + ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ + row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the + table handle; this contains the info + of search_tuple, index; if search + tuple contains 0 fields then we + position the cursor at the start or + the end of the index, depending on + 'mode' */ + ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or + ROW_SEL_EXACT_PREFIX */ + ulint direction) /*!< in: 0 or ROW_SEL_NEXT or + ROW_SEL_PREV; NOTE: if this is != 0, + then prebuilt must have a pcur + with stored position! In opening of a + cursor 'direction' should be 0. */ +{ + dict_index_t* index = prebuilt->index; + ibool comp = dict_table_is_comp(index->table); + const dtuple_t* search_tuple = prebuilt->search_tuple; + btr_pcur_t* pcur = prebuilt->pcur; + trx_t* trx = prebuilt->trx; + dict_index_t* clust_index; + que_thr_t* thr; + const rec_t* rec; + const rec_t* result_rec; + const rec_t* clust_rec; + ulint err = DB_SUCCESS; + ibool unique_search = FALSE; + ibool unique_search_from_clust_index = FALSE; + ibool mtr_has_extra_clust_latch = FALSE; + ibool moves_up = FALSE; + ibool set_also_gap_locks = TRUE; + /* if the query is a plain locking SELECT, and the isolation level + is <= TRX_ISO_READ_COMMITTED, then this is set to FALSE */ + ibool did_semi_consistent_read = FALSE; + /* if the returned record was locked and we did a semi-consistent + read (fetch the newest committed version), then this is set to + TRUE */ +#ifdef UNIV_SEARCH_DEBUG + ulint cnt = 0; +#endif /* UNIV_SEARCH_DEBUG */ + ulint next_offs; + ibool same_user_rec; + mtr_t mtr; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + + rec_offs_init(offsets_); + + ut_ad(index && pcur && search_tuple); + ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); + + if (UNIV_UNLIKELY(prebuilt->table->ibd_file_missing)) { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: Error:\n" + "InnoDB: MySQL is trying to use a table handle" + " but the .ibd file for\n" + "InnoDB: table %s does not exist.\n" + "InnoDB: Have you deleted the .ibd file" + " from the database directory under\n" + "InnoDB: the MySQL datadir, or have you used" + " DISCARD TABLESPACE?\n" + "InnoDB: Look from\n" + "InnoDB: " REFMAN "innodb-troubleshooting.html\n" + "InnoDB: how you can resolve the problem.\n", + prebuilt->table->name); + + return(DB_ERROR); + } + + if (UNIV_UNLIKELY(!prebuilt->index_usable)) { + + return(DB_MISSING_HISTORY); + } + + if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { + fprintf(stderr, + "InnoDB: Error: trying to free a corrupt\n" + "InnoDB: table handle. Magic n %lu, table name ", + (ulong) prebuilt->magic_n); + ut_print_name(stderr, trx, TRUE, prebuilt->table->name); + putc('\n', stderr); + + mem_analyze_corruption(prebuilt); + + ut_error; + } + +#if 0 + /* August 19, 2005 by Heikki: temporarily disable this error + print until the cursor lock count is done correctly. + See bugs #12263 and #12456!*/ + + if (trx->n_mysql_tables_in_use == 0 + && UNIV_UNLIKELY(prebuilt->select_lock_type == LOCK_NONE)) { + /* Note that if MySQL uses an InnoDB temp table that it + created inside LOCK TABLES, then n_mysql_tables_in_use can + be zero; in that case select_lock_type is set to LOCK_X in + ::start_stmt. */ + + fputs("InnoDB: Error: MySQL is trying to perform a SELECT\n" + "InnoDB: but it has not locked" + " any tables in ::external_lock()!\n", + stderr); + trx_print(stderr, trx, 600); + fputc('\n', stderr); + } +#endif + +#if 0 + fprintf(stderr, "Match mode %lu\n search tuple ", + (ulong) match_mode); + dtuple_print(search_tuple); + fprintf(stderr, "N tables locked %lu\n", + (ulong) trx->mysql_n_tables_locked); +#endif + /*-------------------------------------------------------------*/ + /* PHASE 0: Release a possible s-latch we are holding on the + adaptive hash index latch if there is someone waiting behind */ + + if (UNIV_UNLIKELY(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_NOT_LOCKED) + && trx->has_search_latch) { + + /* There is an x-latch request on the adaptive hash index: + release the s-latch to reduce starvation and wait for + BTR_SEA_TIMEOUT rounds before trying to keep it again over + calls from MySQL */ + + rw_lock_s_unlock(&btr_search_latch); + trx->has_search_latch = FALSE; + + trx->search_latch_timeout = BTR_SEA_TIMEOUT; + } + + /* Reset the new record lock info if srv_locks_unsafe_for_binlog + is set or session is using a READ COMMITED isolation level. Then + we are able to remove the record locks set here on an individual + row. */ + prebuilt->new_rec_locks = 0; + + /*-------------------------------------------------------------*/ + /* PHASE 1: Try to pop the row from the prefetch cache */ + + if (UNIV_UNLIKELY(direction == 0)) { + trx->op_info = "starting index read"; + + prebuilt->n_rows_fetched = 0; + prebuilt->n_fetch_cached = 0; + prebuilt->fetch_cache_first = 0; + + if (prebuilt->sel_graph == NULL) { + /* Build a dummy select query graph */ + row_prebuild_sel_graph(prebuilt); + } + } else { + trx->op_info = "fetching rows"; + + if (prebuilt->n_rows_fetched == 0) { + prebuilt->fetch_direction = direction; + } + + if (UNIV_UNLIKELY(direction != prebuilt->fetch_direction)) { + if (UNIV_UNLIKELY(prebuilt->n_fetch_cached > 0)) { + ut_error; + /* TODO: scrollable cursor: restore cursor to + the place of the latest returned row, + or better: prevent caching for a scroll + cursor! */ + } + + prebuilt->n_rows_fetched = 0; + prebuilt->n_fetch_cached = 0; + prebuilt->fetch_cache_first = 0; + + } else if (UNIV_LIKELY(prebuilt->n_fetch_cached > 0)) { + row_sel_pop_cached_row_for_mysql(buf, prebuilt); + + prebuilt->n_rows_fetched++; + + srv_n_rows_read++; + err = DB_SUCCESS; + goto func_exit; + } + + if (prebuilt->fetch_cache_first > 0 + && prebuilt->fetch_cache_first < MYSQL_FETCH_CACHE_SIZE) { + + /* The previous returned row was popped from the fetch + cache, but the cache was not full at the time of the + popping: no more rows can exist in the result set */ + + err = DB_RECORD_NOT_FOUND; + goto func_exit; + } + + prebuilt->n_rows_fetched++; + + if (prebuilt->n_rows_fetched > 1000000000) { + /* Prevent wrap-over */ + prebuilt->n_rows_fetched = 500000000; + } + + mode = pcur->search_mode; + } + + /* In a search where at most one record in the index may match, we + can use a LOCK_REC_NOT_GAP type record lock when locking a + non-delete-marked matching record. + + Note that in a unique secondary index there may be different + delete-marked versions of a record where only the primary key + values differ: thus in a secondary index we must use next-key + locks when locking delete-marked records. */ + + if (match_mode == ROW_SEL_EXACT + && dict_index_is_unique(index) + && dtuple_get_n_fields(search_tuple) + == dict_index_get_n_unique(index) + && (dict_index_is_clust(index) + || !dtuple_contains_null(search_tuple))) { + + /* Note above that a UNIQUE secondary index can contain many + rows with the same key value if one of the columns is the SQL + null. A clustered index under MySQL can never contain null + columns because we demand that all the columns in primary key + are non-null. */ + + unique_search = TRUE; + + /* Even if the condition is unique, MySQL seems to try to + retrieve also a second row if a primary key contains more than + 1 column. Return immediately if this is not a HANDLER + command. */ + + if (UNIV_UNLIKELY(direction != 0 + && !prebuilt->used_in_HANDLER)) { + + err = DB_RECORD_NOT_FOUND; + goto func_exit; + } + } + + mtr_start(&mtr); + + /*-------------------------------------------------------------*/ + /* PHASE 2: Try fast adaptive hash index search if possible */ + + /* Next test if this is the special case where we can use the fast + adaptive hash index to try the search. Since we must release the + search system latch when we retrieve an externally stored field, we + cannot use the adaptive hash index in a search in the case the row + may be long and there may be externally stored fields */ + + if (UNIV_UNLIKELY(direction == 0) + && unique_search + && dict_index_is_clust(index) + && !prebuilt->templ_contains_blob + && !prebuilt->used_in_HANDLER + && (prebuilt->mysql_row_len < UNIV_PAGE_SIZE / 8)) { + + mode = PAGE_CUR_GE; + + unique_search_from_clust_index = TRUE; + + if (trx->mysql_n_tables_locked == 0 + && prebuilt->select_lock_type == LOCK_NONE + && trx->isolation_level > TRX_ISO_READ_UNCOMMITTED + && trx->read_view) { + + /* This is a SELECT query done as a consistent read, + and the read view has already been allocated: + let us try a search shortcut through the hash + index. + NOTE that we must also test that + mysql_n_tables_locked == 0, because this might + also be INSERT INTO ... SELECT ... or + CREATE TABLE ... SELECT ... . Our algorithm is + NOT prepared to inserts interleaved with the SELECT, + and if we try that, we can deadlock on the adaptive + hash index semaphore! */ + +#ifndef UNIV_SEARCH_DEBUG + if (!trx->has_search_latch) { + rw_lock_s_lock(&btr_search_latch); + trx->has_search_latch = TRUE; + } +#endif + switch (row_sel_try_search_shortcut_for_mysql( + &rec, prebuilt, &offsets, &heap, + &mtr)) { + case SEL_FOUND: +#ifdef UNIV_SEARCH_DEBUG + ut_a(0 == cmp_dtuple_rec(search_tuple, + rec, offsets)); +#endif + /* At this point, rec is protected by + a page latch that was acquired by + row_sel_try_search_shortcut_for_mysql(). + The latch will not be released until + mtr_commit(&mtr). */ + + if (!row_sel_store_mysql_rec(buf, prebuilt, + rec, offsets)) { + err = DB_TOO_BIG_RECORD; + + /* We let the main loop to do the + error handling */ + goto shortcut_fails_too_big_rec; + } + + mtr_commit(&mtr); + + /* ut_print_name(stderr, index->name); + fputs(" shortcut\n", stderr); */ + + srv_n_rows_read++; + + err = DB_SUCCESS; + goto release_search_latch_if_needed; + + case SEL_EXHAUSTED: + mtr_commit(&mtr); + + /* ut_print_name(stderr, index->name); + fputs(" record not found 2\n", stderr); */ + + err = DB_RECORD_NOT_FOUND; +release_search_latch_if_needed: + if (trx->search_latch_timeout > 0 + && trx->has_search_latch) { + + trx->search_latch_timeout--; + + rw_lock_s_unlock(&btr_search_latch); + trx->has_search_latch = FALSE; + } + + /* NOTE that we do NOT store the cursor + position */ + goto func_exit; + + case SEL_RETRY: + break; + + default: + ut_ad(0); + } +shortcut_fails_too_big_rec: + mtr_commit(&mtr); + mtr_start(&mtr); + } + } + + /*-------------------------------------------------------------*/ + /* PHASE 3: Open or restore index cursor position */ + + if (trx->has_search_latch) { + rw_lock_s_unlock(&btr_search_latch); + trx->has_search_latch = FALSE; + } + + trx_start_if_not_started(trx); + + if (trx->isolation_level <= TRX_ISO_READ_COMMITTED + && prebuilt->select_lock_type != LOCK_NONE + && trx->mysql_thd != NULL + && thd_is_select(trx->mysql_thd)) { + /* It is a plain locking SELECT and the isolation + level is low: do not lock gaps */ + + set_also_gap_locks = FALSE; + } + + /* Note that if the search mode was GE or G, then the cursor + naturally moves upward (in fetch next) in alphabetical order, + otherwise downward */ + + if (UNIV_UNLIKELY(direction == 0)) { + if (mode == PAGE_CUR_GE || mode == PAGE_CUR_G) { + moves_up = TRUE; + } + } else if (direction == ROW_SEL_NEXT) { + moves_up = TRUE; + } + + thr = que_fork_get_first_thr(prebuilt->sel_graph); + + que_thr_move_to_run_state_for_mysql(thr, trx); + + clust_index = dict_table_get_first_index(index->table); + + if (UNIV_LIKELY(direction != 0)) { + ibool need_to_process = sel_restore_position_for_mysql( + &same_user_rec, BTR_SEARCH_LEAF, + pcur, moves_up, &mtr); + + if (UNIV_UNLIKELY(need_to_process)) { + if (UNIV_UNLIKELY(prebuilt->row_read_type + == ROW_READ_DID_SEMI_CONSISTENT)) { + /* We did a semi-consistent read, + but the record was removed in + the meantime. */ + prebuilt->row_read_type + = ROW_READ_TRY_SEMI_CONSISTENT; + } + } else if (UNIV_LIKELY(prebuilt->row_read_type + != ROW_READ_DID_SEMI_CONSISTENT)) { + + /* The cursor was positioned on the record + that we returned previously. If we need + to repeat a semi-consistent read as a + pessimistic locking read, the record + cannot be skipped. */ + + goto next_rec; + } + + } else if (dtuple_get_n_fields(search_tuple) > 0) { + + btr_pcur_open_with_no_init(index, search_tuple, mode, + BTR_SEARCH_LEAF, + pcur, 0, &mtr); + + pcur->trx_if_known = trx; + + rec = btr_pcur_get_rec(pcur); + + if (!moves_up + && !page_rec_is_supremum(rec) + && set_also_gap_locks + && !(srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + + /* Try to place a gap lock on the next index record + to prevent phantoms in ORDER BY ... DESC queries */ + const rec_t* next = page_rec_get_next_const(rec); + + offsets = rec_get_offsets(next, index, offsets, + ULINT_UNDEFINED, &heap); + err = sel_set_rec_lock(btr_pcur_get_block(pcur), + next, index, offsets, + prebuilt->select_lock_type, + LOCK_GAP, thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + } + } else { + if (mode == PAGE_CUR_G) { + btr_pcur_open_at_index_side( + TRUE, index, BTR_SEARCH_LEAF, pcur, FALSE, + &mtr); + } else if (mode == PAGE_CUR_L) { + btr_pcur_open_at_index_side( + FALSE, index, BTR_SEARCH_LEAF, pcur, FALSE, + &mtr); + } + } + + if (!prebuilt->sql_stat_start) { + /* No need to set an intention lock or assign a read view */ + + if (trx->read_view == NULL + && prebuilt->select_lock_type == LOCK_NONE) { + + fputs("InnoDB: Error: MySQL is trying to" + " perform a consistent read\n" + "InnoDB: but the read view is not assigned!\n", + stderr); + trx_print(stderr, trx, 600); + fputc('\n', stderr); + ut_a(0); + } + } else if (prebuilt->select_lock_type == LOCK_NONE) { + /* This is a consistent read */ + /* Assign a read view for the query */ + + trx_assign_read_view(trx); + prebuilt->sql_stat_start = FALSE; + } else { + ulint lock_mode; + if (prebuilt->select_lock_type == LOCK_S) { + lock_mode = LOCK_IS; + } else { + lock_mode = LOCK_IX; + } + err = lock_table(0, index->table, lock_mode, thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + prebuilt->sql_stat_start = FALSE; + } + +rec_loop: + /*-------------------------------------------------------------*/ + /* PHASE 4: Look for matching records in a loop */ + + rec = btr_pcur_get_rec(pcur); + ut_ad(!!page_rec_is_comp(rec) == comp); +#ifdef UNIV_SEARCH_DEBUG + /* + fputs("Using ", stderr); + dict_index_name_print(stderr, index); + fprintf(stderr, " cnt %lu ; Page no %lu\n", cnt, + page_get_page_no(page_align(rec))); + rec_print(rec); + */ +#endif /* UNIV_SEARCH_DEBUG */ + + if (page_rec_is_infimum(rec)) { + + /* The infimum record on a page cannot be in the result set, + and neither can a record lock be placed on it: we skip such + a record. */ + + goto next_rec; + } + + if (page_rec_is_supremum(rec)) { + + if (set_also_gap_locks + && !(srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + + /* Try to place a lock on the index record */ + + /* If innodb_locks_unsafe_for_binlog option is used + or this session is using a READ COMMITTED isolation + level we do not lock gaps. Supremum record is really + a gap and therefore we do not set locks there. */ + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + err = sel_set_rec_lock(btr_pcur_get_block(pcur), + rec, index, offsets, + prebuilt->select_lock_type, + LOCK_ORDINARY, thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + } + /* A page supremum record cannot be in the result set: skip + it now that we have placed a possible lock on it */ + + goto next_rec; + } + + /*-------------------------------------------------------------*/ + /* Do sanity checks in case our cursor has bumped into page + corruption */ + + if (comp) { + next_offs = rec_get_next_offs(rec, TRUE); + if (UNIV_UNLIKELY(next_offs < PAGE_NEW_SUPREMUM)) { + + goto wrong_offs; + } + } else { + next_offs = rec_get_next_offs(rec, FALSE); + if (UNIV_UNLIKELY(next_offs < PAGE_OLD_SUPREMUM)) { + + goto wrong_offs; + } + } + + if (UNIV_UNLIKELY(next_offs >= UNIV_PAGE_SIZE - PAGE_DIR)) { + +wrong_offs: + if (srv_force_recovery == 0 || moves_up == FALSE) { + ut_print_timestamp(stderr); + buf_page_print(page_align(rec), 0); + fprintf(stderr, + "\nInnoDB: rec address %p," + " buf block fix count %lu\n", + (void*) rec, (ulong) + btr_cur_get_block(btr_pcur_get_btr_cur(pcur)) + ->page.buf_fix_count); + fprintf(stderr, + "InnoDB: Index corruption: rec offs %lu" + " next offs %lu, page no %lu,\n" + "InnoDB: ", + (ulong) page_offset(rec), + (ulong) next_offs, + (ulong) page_get_page_no(page_align(rec))); + dict_index_name_print(stderr, trx, index); + fputs(". Run CHECK TABLE. You may need to\n" + "InnoDB: restore from a backup, or" + " dump + drop + reimport the table.\n", + stderr); + + err = DB_CORRUPTION; + + goto lock_wait_or_error; + } else { + /* The user may be dumping a corrupt table. Jump + over the corruption to recover as much as possible. */ + + fprintf(stderr, + "InnoDB: Index corruption: rec offs %lu" + " next offs %lu, page no %lu,\n" + "InnoDB: ", + (ulong) page_offset(rec), + (ulong) next_offs, + (ulong) page_get_page_no(page_align(rec))); + dict_index_name_print(stderr, trx, index); + fputs(". We try to skip the rest of the page.\n", + stderr); + + btr_pcur_move_to_last_on_page(pcur, &mtr); + + goto next_rec; + } + } + /*-------------------------------------------------------------*/ + + /* Calculate the 'offsets' associated with 'rec' */ + + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + + if (UNIV_UNLIKELY(srv_force_recovery > 0)) { + if (!rec_validate(rec, offsets) + || !btr_index_rec_validate(rec, index, FALSE)) { + fprintf(stderr, + "InnoDB: Index corruption: rec offs %lu" + " next offs %lu, page no %lu,\n" + "InnoDB: ", + (ulong) page_offset(rec), + (ulong) next_offs, + (ulong) page_get_page_no(page_align(rec))); + dict_index_name_print(stderr, trx, index); + fputs(". We try to skip the record.\n", + stderr); + + goto next_rec; + } + } + + /* Note that we cannot trust the up_match value in the cursor at this + place because we can arrive here after moving the cursor! Thus + we have to recompare rec and search_tuple to determine if they + match enough. */ + + if (match_mode == ROW_SEL_EXACT) { + /* Test if the index record matches completely to search_tuple + in prebuilt: if not, then we return with DB_RECORD_NOT_FOUND */ + + /* fputs("Comparing rec and search tuple\n", stderr); */ + + if (0 != cmp_dtuple_rec(search_tuple, rec, offsets)) { + + if (set_also_gap_locks + && !(srv_locks_unsafe_for_binlog + || trx->isolation_level + == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + + /* Try to place a gap lock on the index + record only if innodb_locks_unsafe_for_binlog + option is not set or this session is not + using a READ COMMITTED isolation level. */ + + err = sel_set_rec_lock( + btr_pcur_get_block(pcur), + rec, index, offsets, + prebuilt->select_lock_type, LOCK_GAP, + thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + } + + btr_pcur_store_position(pcur, &mtr); + + err = DB_RECORD_NOT_FOUND; + /* ut_print_name(stderr, index->name); + fputs(" record not found 3\n", stderr); */ + + goto normal_return; + } + + } else if (match_mode == ROW_SEL_EXACT_PREFIX) { + + if (!cmp_dtuple_is_prefix_of_rec(search_tuple, rec, offsets)) { + + if (set_also_gap_locks + && !(srv_locks_unsafe_for_binlog + || trx->isolation_level + == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + + /* Try to place a gap lock on the index + record only if innodb_locks_unsafe_for_binlog + option is not set or this session is not + using a READ COMMITTED isolation level. */ + + err = sel_set_rec_lock( + btr_pcur_get_block(pcur), + rec, index, offsets, + prebuilt->select_lock_type, LOCK_GAP, + thr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + } + + btr_pcur_store_position(pcur, &mtr); + + err = DB_RECORD_NOT_FOUND; + /* ut_print_name(stderr, index->name); + fputs(" record not found 4\n", stderr); */ + + goto normal_return; + } + } + + /* We are ready to look at a possible new index entry in the result + set: the cursor is now placed on a user record */ + + if (prebuilt->select_lock_type != LOCK_NONE) { + /* Try to place a lock on the index record; note that delete + marked records are a special case in a unique search. If there + is a non-delete marked record, then it is enough to lock its + existence with LOCK_REC_NOT_GAP. */ + + /* If innodb_locks_unsafe_for_binlog option is used + or this session is using a READ COMMITED isolation + level we lock only the record, i.e., next-key locking is + not used. */ + + ulint lock_type; + + if (!set_also_gap_locks + || srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED + || (unique_search + && !UNIV_UNLIKELY(rec_get_deleted_flag(rec, comp)))) { + + goto no_gap_lock; + } else { + lock_type = LOCK_ORDINARY; + } + + /* If we are doing a 'greater or equal than a primary key + value' search from a clustered index, and we find a record + that has that exact primary key value, then there is no need + to lock the gap before the record, because no insert in the + gap can be in our search range. That is, no phantom row can + appear that way. + + An example: if col1 is the primary key, the search is WHERE + col1 >= 100, and we find a record where col1 = 100, then no + need to lock the gap before that record. */ + + if (index == clust_index + && mode == PAGE_CUR_GE + && direction == 0 + && dtuple_get_n_fields_cmp(search_tuple) + == dict_index_get_n_unique(index) + && 0 == cmp_dtuple_rec(search_tuple, rec, offsets)) { +no_gap_lock: + lock_type = LOCK_REC_NOT_GAP; + } + + err = sel_set_rec_lock(btr_pcur_get_block(pcur), + rec, index, offsets, + prebuilt->select_lock_type, + lock_type, thr); + + switch (err) { + const rec_t* old_vers; + case DB_SUCCESS: + if (srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + /* Note that a record of + prebuilt->index was locked. */ + prebuilt->new_rec_locks = 1; + } + break; + case DB_LOCK_WAIT: + if (UNIV_LIKELY(prebuilt->row_read_type + != ROW_READ_TRY_SEMI_CONSISTENT) + || index != clust_index) { + + goto lock_wait_or_error; + } + + /* The following call returns 'offsets' + associated with 'old_vers' */ + err = row_sel_build_committed_vers_for_mysql( + clust_index, prebuilt, rec, + &offsets, &heap, &old_vers, &mtr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + + mutex_enter(&kernel_mutex); + if (trx->was_chosen_as_deadlock_victim) { + mutex_exit(&kernel_mutex); + err = DB_DEADLOCK; + + goto lock_wait_or_error; + } + if (UNIV_LIKELY(trx->wait_lock != NULL)) { + lock_cancel_waiting_and_release( + trx->wait_lock); + prebuilt->new_rec_locks = 0; + } else { + mutex_exit(&kernel_mutex); + + /* The lock was granted while we were + searching for the last committed version. + Do a normal locking read. */ + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, + &heap); + err = DB_SUCCESS; + /* Note that a record of + prebuilt->index was locked. */ + prebuilt->new_rec_locks = 1; + break; + } + mutex_exit(&kernel_mutex); + + if (old_vers == NULL) { + /* The row was not yet committed */ + + goto next_rec; + } + + did_semi_consistent_read = TRUE; + rec = old_vers; + break; + default: + + goto lock_wait_or_error; + } + } else { + /* This is a non-locking consistent read: if necessary, fetch + a previous version of the record */ + + if (trx->isolation_level == TRX_ISO_READ_UNCOMMITTED) { + + /* Do nothing: we let a non-locking SELECT read the + latest version of the record */ + + } else if (index == clust_index) { + + /* Fetch a previous version of the row if the current + one is not visible in the snapshot; if we have a very + high force recovery level set, we try to avoid crashes + by skipping this lookup */ + + if (UNIV_LIKELY(srv_force_recovery < 5) + && !lock_clust_rec_cons_read_sees( + rec, index, offsets, trx->read_view)) { + + rec_t* old_vers; + /* The following call returns 'offsets' + associated with 'old_vers' */ + err = row_sel_build_prev_vers_for_mysql( + trx->read_view, clust_index, + prebuilt, rec, &offsets, &heap, + &old_vers, &mtr); + + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + + if (old_vers == NULL) { + /* The row did not exist yet in + the read view */ + + goto next_rec; + } + + rec = old_vers; + } + } else if (!lock_sec_rec_cons_read_sees(rec, trx->read_view)) { + /* We are looking into a non-clustered index, + and to get the right version of the record we + have to look also into the clustered index: this + is necessary, because we can only get the undo + information via the clustered index record. */ + + ut_ad(index != clust_index); + + goto requires_clust_rec; + } + } + + /* NOTE that at this point rec can be an old version of a clustered + index record built for a consistent read. We cannot assume after this + point that rec is on a buffer pool page. Functions like + page_rec_is_comp() cannot be used! */ + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, comp))) { + + /* The record is delete-marked: we can skip it */ + + if ((srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE + && !did_semi_consistent_read) { + + /* No need to keep a lock on a delete-marked record + if we do not want to use next-key locking. */ + + row_unlock_for_mysql(prebuilt, TRUE); + } + + /* This is an optimization to skip setting the next key lock + on the record that follows this delete-marked record. This + optimization works because of the unique search criteria + which precludes the presence of a range lock between this + delete marked record and the record following it. + + For now this is applicable only to clustered indexes while + doing a unique search. There is scope for further optimization + applicable to unique secondary indexes. Current behaviour is + to widen the scope of a lock on an already delete marked record + if the same record is deleted twice by the same transaction */ + if (index == clust_index && unique_search) { + err = DB_RECORD_NOT_FOUND; + + goto normal_return; + } + + goto next_rec; + } + + /* Get the clustered index record if needed, if we did not do the + search using the clustered index. */ + + if (index != clust_index && prebuilt->need_to_access_clustered) { + +requires_clust_rec: + /* We use a 'goto' to the preceding label if a consistent + read of a secondary index record requires us to look up old + versions of the associated clustered index record. */ + + ut_ad(rec_offs_validate(rec, index, offsets)); + + /* It was a non-clustered index and we must fetch also the + clustered index record */ + + mtr_has_extra_clust_latch = TRUE; + + /* The following call returns 'offsets' associated with + 'clust_rec'. Note that 'clust_rec' can be an old version + built for a consistent read. */ + + err = row_sel_get_clust_rec_for_mysql(prebuilt, index, rec, + thr, &clust_rec, + &offsets, &heap, &mtr); + if (err != DB_SUCCESS) { + + goto lock_wait_or_error; + } + + if (clust_rec == NULL) { + /* The record did not exist in the read view */ + ut_ad(prebuilt->select_lock_type == LOCK_NONE); + + goto next_rec; + } + + if ((srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + /* Note that both the secondary index record + and the clustered index record were locked. */ + ut_ad(prebuilt->new_rec_locks == 1); + prebuilt->new_rec_locks = 2; + } + + if (UNIV_UNLIKELY(rec_get_deleted_flag(clust_rec, comp))) { + + /* The record is delete marked: we can skip it */ + + if ((srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && prebuilt->select_lock_type != LOCK_NONE) { + + /* No need to keep a lock on a delete-marked + record if we do not want to use next-key + locking. */ + + row_unlock_for_mysql(prebuilt, TRUE); + } + + goto next_rec; + } + + if (prebuilt->need_to_access_clustered) { + + result_rec = clust_rec; + + ut_ad(rec_offs_validate(result_rec, clust_index, + offsets)); + } else { + /* We used 'offsets' for the clust rec, recalculate + them for 'rec' */ + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + result_rec = rec; + } + } else { + result_rec = rec; + } + + /* We found a qualifying record 'result_rec'. At this point, + 'offsets' are associated with 'result_rec'. */ + + ut_ad(rec_offs_validate(result_rec, + result_rec != rec ? clust_index : index, + offsets)); + + /* At this point, the clustered index record is protected + by a page latch that was acquired when pcur was positioned. + The latch will not be released until mtr_commit(&mtr). */ + + if ((match_mode == ROW_SEL_EXACT + || prebuilt->n_rows_fetched >= MYSQL_FETCH_CACHE_THRESHOLD) + && prebuilt->select_lock_type == LOCK_NONE + && !prebuilt->templ_contains_blob + && !prebuilt->clust_index_was_generated + && !prebuilt->used_in_HANDLER + && prebuilt->template_type + != ROW_MYSQL_DUMMY_TEMPLATE) { + + /* Inside an update, for example, we do not cache rows, + since we may use the cursor position to do the actual + update, that is why we require ...lock_type == LOCK_NONE. + Since we keep space in prebuilt only for the BLOBs of + a single row, we cannot cache rows in the case there + are BLOBs in the fields to be fetched. In HANDLER we do + not cache rows because there the cursor is a scrollable + cursor. */ + + row_sel_push_cache_row_for_mysql(prebuilt, result_rec, + offsets); + if (prebuilt->n_fetch_cached == MYSQL_FETCH_CACHE_SIZE) { + + goto got_row; + } + + goto next_rec; + } else { + if (prebuilt->template_type == ROW_MYSQL_DUMMY_TEMPLATE) { + memcpy(buf + 4, result_rec + - rec_offs_extra_size(offsets), + rec_offs_size(offsets)); + mach_write_to_4(buf, + rec_offs_extra_size(offsets) + 4); + } else { + if (!row_sel_store_mysql_rec(buf, prebuilt, + result_rec, offsets)) { + err = DB_TOO_BIG_RECORD; + + goto lock_wait_or_error; + } + } + + if (prebuilt->clust_index_was_generated) { + if (result_rec != rec) { + offsets = rec_get_offsets( + rec, index, offsets, ULINT_UNDEFINED, + &heap); + } + row_sel_store_row_id_to_prebuilt(prebuilt, rec, + index, offsets); + } + } + + /* From this point on, 'offsets' are invalid. */ + +got_row: + /* We have an optimization to save CPU time: if this is a consistent + read on a unique condition on the clustered index, then we do not + store the pcur position, because any fetch next or prev will anyway + return 'end of file'. Exceptions are locking reads and the MySQL + HANDLER command where the user can move the cursor with PREV or NEXT + even after a unique search. */ + + if (!unique_search_from_clust_index + || prebuilt->select_lock_type != LOCK_NONE + || prebuilt->used_in_HANDLER) { + + /* Inside an update always store the cursor position */ + + btr_pcur_store_position(pcur, &mtr); + } + + err = DB_SUCCESS; + + goto normal_return; + +next_rec: + /* Reset the old and new "did semi-consistent read" flags. */ + if (UNIV_UNLIKELY(prebuilt->row_read_type + == ROW_READ_DID_SEMI_CONSISTENT)) { + prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; + } + did_semi_consistent_read = FALSE; + prebuilt->new_rec_locks = 0; + + /*-------------------------------------------------------------*/ + /* PHASE 5: Move the cursor to the next index record */ + + if (UNIV_UNLIKELY(mtr_has_extra_clust_latch)) { + /* We must commit mtr if we are moving to the next + non-clustered index record, because we could break the + latching order if we would access a different clustered + index page right away without releasing the previous. */ + + btr_pcur_store_position(pcur, &mtr); + + mtr_commit(&mtr); + mtr_has_extra_clust_latch = FALSE; + + mtr_start(&mtr); + if (sel_restore_position_for_mysql(&same_user_rec, + BTR_SEARCH_LEAF, + pcur, moves_up, &mtr)) { +#ifdef UNIV_SEARCH_DEBUG + cnt++; +#endif /* UNIV_SEARCH_DEBUG */ + + goto rec_loop; + } + } + + if (moves_up) { + if (UNIV_UNLIKELY(!btr_pcur_move_to_next(pcur, &mtr))) { +not_moved: + btr_pcur_store_position(pcur, &mtr); + + if (match_mode != 0) { + err = DB_RECORD_NOT_FOUND; + } else { + err = DB_END_OF_INDEX; + } + + goto normal_return; + } + } else { + if (UNIV_UNLIKELY(!btr_pcur_move_to_prev(pcur, &mtr))) { + goto not_moved; + } + } + +#ifdef UNIV_SEARCH_DEBUG + cnt++; +#endif /* UNIV_SEARCH_DEBUG */ + + goto rec_loop; + +lock_wait_or_error: + /* Reset the old and new "did semi-consistent read" flags. */ + if (UNIV_UNLIKELY(prebuilt->row_read_type + == ROW_READ_DID_SEMI_CONSISTENT)) { + prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; + } + did_semi_consistent_read = FALSE; + + /*-------------------------------------------------------------*/ + + btr_pcur_store_position(pcur, &mtr); + + mtr_commit(&mtr); + mtr_has_extra_clust_latch = FALSE; + + trx->error_state = err; + + /* The following is a patch for MySQL */ + + que_thr_stop_for_mysql(thr); + + thr->lock_state = QUE_THR_LOCK_ROW; + + if (row_mysql_handle_errors(&err, trx, thr, NULL)) { + /* It was a lock wait, and it ended */ + + thr->lock_state = QUE_THR_LOCK_NOLOCK; + mtr_start(&mtr); + + sel_restore_position_for_mysql(&same_user_rec, + BTR_SEARCH_LEAF, pcur, + moves_up, &mtr); + + if ((srv_locks_unsafe_for_binlog + || trx->isolation_level == TRX_ISO_READ_COMMITTED) + && !same_user_rec) { + + /* Since we were not able to restore the cursor + on the same user record, we cannot use + row_unlock_for_mysql() to unlock any records, and + we must thus reset the new rec lock info. Since + in lock0lock.c we have blocked the inheriting of gap + X-locks, we actually do not have any new record locks + set in this case. + + Note that if we were able to restore on the 'same' + user record, it is still possible that we were actually + waiting on a delete-marked record, and meanwhile + it was removed by purge and inserted again by some + other user. But that is no problem, because in + rec_loop we will again try to set a lock, and + new_rec_lock_info in trx will be right at the end. */ + + prebuilt->new_rec_locks = 0; + } + + mode = pcur->search_mode; + + goto rec_loop; + } + + thr->lock_state = QUE_THR_LOCK_NOLOCK; + +#ifdef UNIV_SEARCH_DEBUG + /* fputs("Using ", stderr); + dict_index_name_print(stderr, index); + fprintf(stderr, " cnt %lu ret value %lu err\n", cnt, err); */ +#endif /* UNIV_SEARCH_DEBUG */ + goto func_exit; + +normal_return: + /*-------------------------------------------------------------*/ + que_thr_stop_for_mysql_no_error(thr, trx); + + mtr_commit(&mtr); + + if (prebuilt->n_fetch_cached > 0) { + row_sel_pop_cached_row_for_mysql(buf, prebuilt); + + err = DB_SUCCESS; + } + +#ifdef UNIV_SEARCH_DEBUG + /* fputs("Using ", stderr); + dict_index_name_print(stderr, index); + fprintf(stderr, " cnt %lu ret value %lu err\n", cnt, err); */ +#endif /* UNIV_SEARCH_DEBUG */ + if (err == DB_SUCCESS) { + srv_n_rows_read++; + } + +func_exit: + trx->op_info = ""; + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + /* Set or reset the "did semi-consistent read" flag on return. + The flag did_semi_consistent_read is set if and only if + the record being returned was fetched with a semi-consistent read. */ + ut_ad(prebuilt->row_read_type != ROW_READ_WITH_LOCKS + || !did_semi_consistent_read); + + if (UNIV_UNLIKELY(prebuilt->row_read_type != ROW_READ_WITH_LOCKS)) { + if (UNIV_UNLIKELY(did_semi_consistent_read)) { + prebuilt->row_read_type = ROW_READ_DID_SEMI_CONSISTENT; + } else { + prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; + } + } + return(err); +} + +/*******************************************************************//** +Checks if MySQL at the moment is allowed for this table to retrieve a +consistent read result, or store it to the query cache. +@return TRUE if storing or retrieving from the query cache is permitted */ +UNIV_INTERN +ibool +row_search_check_if_query_cache_permitted( +/*======================================*/ + trx_t* trx, /*!< in: transaction object */ + const char* norm_name) /*!< in: concatenation of database name, + '/' char, table name */ +{ + dict_table_t* table; + ibool ret = FALSE; + + table = dict_table_get(norm_name, FALSE); + + if (table == NULL) { + + return(FALSE); + } + + mutex_enter(&kernel_mutex); + + /* Start the transaction if it is not started yet */ + + trx_start_if_not_started_low(trx); + + /* If there are locks on the table or some trx has invalidated the + cache up to our trx id, then ret = FALSE. + We do not check what type locks there are on the table, though only + IX type locks actually would require ret = FALSE. */ + + if (UT_LIST_GET_LEN(table->locks) == 0 + && ut_dulint_cmp(trx->id, + table->query_cache_inv_trx_id) >= 0) { + + ret = TRUE; + + /* If the isolation level is high, assign a read view for the + transaction if it does not yet have one */ + + if (trx->isolation_level >= TRX_ISO_REPEATABLE_READ + && !trx->read_view) { + + trx->read_view = read_view_open_now( + trx->id, trx->global_read_view_heap); + trx->global_read_view = trx->read_view; + } + } + + mutex_exit(&kernel_mutex); + + return(ret); +} + +/*******************************************************************//** +Read the AUTOINC column from the current row. If the value is less than +0 and the type is not unsigned then we reset the value to 0. +@return value read from the column */ +static +ib_uint64_t +row_search_autoinc_read_column( +/*===========================*/ + dict_index_t* index, /*!< in: index to read from */ + const rec_t* rec, /*!< in: current rec */ + ulint col_no, /*!< in: column number */ + ulint mtype, /*!< in: column main type */ + ibool unsigned_type) /*!< in: signed or unsigned flag */ +{ + ulint len; + const byte* data; + ib_uint64_t value; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + + rec_offs_init(offsets_); + + offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); + + data = rec_get_nth_field(rec, offsets, col_no, &len); + + ut_a(len != UNIV_SQL_NULL); + + switch (mtype) { + case DATA_INT: + ut_a(len <= sizeof value); + value = mach_read_int_type(data, len, unsigned_type); + break; + + case DATA_FLOAT: + ut_a(len == sizeof(float)); + value = mach_float_read(data); + break; + + case DATA_DOUBLE: + ut_a(len == sizeof(double)); + value = mach_double_read(data); + break; + + default: + ut_error; + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + if (!unsigned_type && (ib_int64_t) value < 0) { + value = 0; + } + + return(value); +} + +/*******************************************************************//** +Get the last row. +@return current rec or NULL */ +static +const rec_t* +row_search_autoinc_get_rec( +/*=======================*/ + btr_pcur_t* pcur, /*!< in: the current cursor */ + mtr_t* mtr) /*!< in: mini transaction */ +{ + do { + const rec_t* rec = btr_pcur_get_rec(pcur); + + if (page_rec_is_user_rec(rec)) { + return(rec); + } + } while (btr_pcur_move_to_prev(pcur, mtr)); + + return(NULL); +} + +/*******************************************************************//** +Read the max AUTOINC value from an index. +@return DB_SUCCESS if all OK else error code, DB_RECORD_NOT_FOUND if +column name can't be found in index */ +UNIV_INTERN +ulint +row_search_max_autoinc( +/*===================*/ + dict_index_t* index, /*!< in: index to search */ + const char* col_name, /*!< in: name of autoinc column */ + ib_uint64_t* value) /*!< out: AUTOINC value read */ +{ + ulint i; + ulint n_cols; + dict_field_t* dfield = NULL; + ulint error = DB_SUCCESS; + + n_cols = dict_index_get_n_ordering_defined_by_user(index); + + /* Search the index for the AUTOINC column name */ + for (i = 0; i < n_cols; ++i) { + dfield = dict_index_get_nth_field(index, i); + + if (strcmp(col_name, dfield->name) == 0) { + break; + } + } + + *value = 0; + + /* Must find the AUTOINC column name */ + if (i < n_cols && dfield) { + mtr_t mtr; + btr_pcur_t pcur; + + mtr_start(&mtr); + + /* Open at the high/right end (FALSE), and INIT + cursor (TRUE) */ + btr_pcur_open_at_index_side( + FALSE, index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + + if (page_get_n_recs(btr_pcur_get_page(&pcur)) > 0) { + const rec_t* rec; + + rec = row_search_autoinc_get_rec(&pcur, &mtr); + + if (rec != NULL) { + ibool unsigned_type = ( + dfield->col->prtype & DATA_UNSIGNED); + + *value = row_search_autoinc_read_column( + index, rec, i, + dfield->col->mtype, unsigned_type); + } + } + + btr_pcur_close(&pcur); + + mtr_commit(&mtr); + } else { + error = DB_RECORD_NOT_FOUND; + } + + return(error); +} diff --git a/perfschema/row/row0uins.c b/perfschema/row/row0uins.c new file mode 100644 index 00000000000..601cb23c372 --- /dev/null +++ b/perfschema/row/row0uins.c @@ -0,0 +1,352 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0uins.c +Fresh insert undo + +Created 2/25/1997 Heikki Tuuri +*******************************************************/ + +#include "row0uins.h" + +#ifdef UNIV_NONINL +#include "row0uins.ic" +#endif + +#include "dict0dict.h" +#include "dict0boot.h" +#include "dict0crea.h" +#include "trx0undo.h" +#include "trx0roll.h" +#include "btr0btr.h" +#include "mach0data.h" +#include "row0undo.h" +#include "row0vers.h" +#include "trx0trx.h" +#include "trx0rec.h" +#include "row0row.h" +#include "row0upd.h" +#include "que0que.h" +#include "ibuf0ibuf.h" +#include "log0log.h" + +/***************************************************************//** +Removes a clustered index record. The pcur in node was positioned on the +record, now it is detached. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_ins_remove_clust_rec( +/*==========================*/ + undo_node_t* node) /*!< in: undo node */ +{ + btr_cur_t* btr_cur; + ibool success; + ulint err; + ulint n_tries = 0; + mtr_t mtr; + + mtr_start(&mtr); + + success = btr_pcur_restore_position(BTR_MODIFY_LEAF, &(node->pcur), + &mtr); + ut_a(success); + + if (ut_dulint_cmp(node->table->id, DICT_INDEXES_ID) == 0) { + ut_ad(node->trx->dict_operation_lock_mode == RW_X_LATCH); + + /* Drop the index tree associated with the row in + SYS_INDEXES table: */ + + dict_drop_index_tree(btr_pcur_get_rec(&(node->pcur)), &mtr); + + mtr_commit(&mtr); + + mtr_start(&mtr); + + success = btr_pcur_restore_position(BTR_MODIFY_LEAF, + &(node->pcur), &mtr); + ut_a(success); + } + + btr_cur = btr_pcur_get_btr_cur(&(node->pcur)); + + success = btr_cur_optimistic_delete(btr_cur, &mtr); + + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); + + if (success) { + trx_undo_rec_release(node->trx, node->undo_no); + + return(DB_SUCCESS); + } +retry: + /* If did not succeed, try pessimistic descent to tree */ + mtr_start(&mtr); + + success = btr_pcur_restore_position(BTR_MODIFY_TREE, + &(node->pcur), &mtr); + ut_a(success); + + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + trx_is_recv(node->trx) + ? RB_RECOVERY + : RB_NORMAL, &mtr); + + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + + if (err == DB_OUT_OF_FILE_SPACE + && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { + + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); + + n_tries++; + + os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); + + goto retry; + } + + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); + + trx_undo_rec_release(node->trx, node->undo_no); + + return(err); +} + +/***************************************************************//** +Removes a secondary index entry if found. +@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_ins_remove_sec_low( +/*========================*/ + ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, + depending on whether we wish optimistic or + pessimistic descent down the index tree */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry to remove */ +{ + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ulint err; + mtr_t mtr; + enum row_search_result search_result; + + log_free_check(); + mtr_start(&mtr); + + btr_cur = btr_pcur_get_btr_cur(&pcur); + + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); + + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + switch (search_result) { + case ROW_NOT_FOUND: + err = DB_SUCCESS; + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_DELETED_REF: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ + ut_error; + } + + if (mode == BTR_MODIFY_LEAF) { + err = btr_cur_optimistic_delete(btr_cur, &mtr) + ? DB_SUCCESS : DB_FAIL; + } else { + ut_ad(mode == BTR_MODIFY_TREE); + + /* No need to distinguish RB_RECOVERY here, because we + are deleting a secondary index record: the distinction + between RB_NORMAL and RB_RECOVERY only matters when + deleting a record that contains externally stored + columns. */ + ut_ad(!dict_index_is_clust(index)); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NORMAL, &mtr); + } +func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + return(err); +} + +/***************************************************************//** +Removes a secondary index entry from the index if found. Tries first +optimistic, then pessimistic descent down the tree. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_ins_remove_sec( +/*====================*/ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry to insert */ +{ + ulint err; + ulint n_tries = 0; + + /* Try first optimistic descent to the B-tree */ + + err = row_undo_ins_remove_sec_low(BTR_MODIFY_LEAF, index, entry); + + if (err == DB_SUCCESS) { + + return(err); + } + + /* Try then pessimistic descent to the B-tree */ +retry: + err = row_undo_ins_remove_sec_low(BTR_MODIFY_TREE, index, entry); + + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + + if (err != DB_SUCCESS && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { + + n_tries++; + + os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); + + goto retry; + } + + return(err); +} + +/***********************************************************//** +Parses the row reference and other info in a fresh insert undo record. */ +static +void +row_undo_ins_parse_undo_rec( +/*========================*/ + undo_node_t* node) /*!< in/out: row undo node */ +{ + dict_index_t* clust_index; + byte* ptr; + undo_no_t undo_no; + dulint table_id; + ulint type; + ulint dummy; + ibool dummy_extern; + + ut_ad(node); + + ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &dummy, + &dummy_extern, &undo_no, &table_id); + ut_ad(type == TRX_UNDO_INSERT_REC); + node->rec_type = type; + + node->update = NULL; + node->table = dict_table_get_on_id(table_id, node->trx); + + /* Skip the UNDO if we can't find the table or the .ibd file. */ + if (UNIV_UNLIKELY(node->table == NULL)) { + } else if (UNIV_UNLIKELY(node->table->ibd_file_missing)) { + node->table = NULL; + } else { + clust_index = dict_table_get_first_index(node->table); + + if (clust_index != NULL) { + ptr = trx_undo_rec_get_row_ref( + ptr, clust_index, &node->ref, node->heap); + } else { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: table "); + ut_print_name(stderr, node->trx, TRUE, + node->table->name); + fprintf(stderr, " has no indexes, " + "ignoring the table\n"); + + node->table = NULL; + } + } +} + +/***********************************************************//** +Undoes a fresh insert of a row to a table. A fresh insert means that +the same clustered index unique key did not have any record, even delete +marked, at the time of the insert. InnoDB is eager in a rollback: +if it figures out that an index record will be removed in the purge +anyway, it will remove it in the rollback. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +UNIV_INTERN +ulint +row_undo_ins( +/*=========*/ + undo_node_t* node) /*!< in: row undo node */ +{ + ut_ad(node); + ut_ad(node->state == UNDO_NODE_INSERT); + + row_undo_ins_parse_undo_rec(node); + + if (!node->table || !row_undo_search_clust_to_pcur(node)) { + trx_undo_rec_release(node->trx, node->undo_no); + + return(DB_SUCCESS); + } + + /* Iterate over all the indexes and undo the insert.*/ + + /* Skip the clustered index (the first index) */ + node->index = dict_table_get_next_index( + dict_table_get_first_index(node->table)); + + while (node->index != NULL) { + dtuple_t* entry; + ulint err; + + entry = row_build_index_entry(node->row, node->ext, + node->index, node->heap); + if (UNIV_UNLIKELY(!entry)) { + /* The database must have crashed after + inserting a clustered index record but before + writing all the externally stored columns of + that record. Because secondary index entries + are inserted after the clustered index record, + we may assume that the secondary index record + does not exist. However, this situation may + only occur during the rollback of incomplete + transactions. */ + ut_a(trx_is_recv(node->trx)); + } else { + err = row_undo_ins_remove_sec(node->index, entry); + + if (err != DB_SUCCESS) { + + return(err); + } + } + + node->index = dict_table_get_next_index(node->index); + } + + return(row_undo_ins_remove_clust_rec(node)); +} diff --git a/perfschema/row/row0umod.c b/perfschema/row/row0umod.c new file mode 100644 index 00000000000..80f57870316 --- /dev/null +++ b/perfschema/row/row0umod.c @@ -0,0 +1,849 @@ +/***************************************************************************** + +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0umod.c +Undo modify of a row + +Created 2/27/1997 Heikki Tuuri +*******************************************************/ + +#include "row0umod.h" + +#ifdef UNIV_NONINL +#include "row0umod.ic" +#endif + +#include "dict0dict.h" +#include "dict0boot.h" +#include "trx0undo.h" +#include "trx0roll.h" +#include "btr0btr.h" +#include "mach0data.h" +#include "row0undo.h" +#include "row0vers.h" +#include "trx0trx.h" +#include "trx0rec.h" +#include "row0row.h" +#include "row0upd.h" +#include "que0que.h" +#include "log0log.h" + +/* Considerations on undoing a modify operation. +(1) Undoing a delete marking: all index records should be found. Some of +them may have delete mark already FALSE, if the delete mark operation was +stopped underway, or if the undo operation ended prematurely because of a +system crash. +(2) Undoing an update of a delete unmarked record: the newer version of +an updated secondary index entry should be removed if no prior version +of the clustered index record requires its existence. Otherwise, it should +be delete marked. +(3) Undoing an update of a delete marked record. In this kind of update a +delete marked clustered index record was delete unmarked and possibly also +some of its fields were changed. Now, it is possible that the delete marked +version has become obsolete at the time the undo is started. */ + +/***********************************************************//** +Checks if also the previous version of the clustered index record was +modified or inserted by the same transaction, and its undo number is such +that it should be undone in the same rollback. +@return TRUE if also previous modify or insert of this row should be undone */ +UNIV_INLINE +ibool +row_undo_mod_undo_also_prev_vers( +/*=============================*/ + undo_node_t* node, /*!< in: row undo node */ + undo_no_t* undo_no)/*!< out: the undo number */ +{ + trx_undo_rec_t* undo_rec; + trx_t* trx; + + trx = node->trx; + + if (0 != ut_dulint_cmp(node->new_trx_id, trx->id)) { + + *undo_no = ut_dulint_zero; + return(FALSE); + } + + undo_rec = trx_undo_get_undo_rec_low(node->new_roll_ptr, node->heap); + + *undo_no = trx_undo_rec_get_undo_no(undo_rec); + + return(ut_dulint_cmp(trx->roll_limit, *undo_no) <= 0); +} + +/***********************************************************//** +Undoes a modify in a clustered index record. +@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ +static +ulint +row_undo_mod_clust_low( +/*===================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in: mtr; must be committed before + latching any further pages */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ +{ + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + ulint err; + ibool success; + + pcur = &(node->pcur); + btr_cur = btr_pcur_get_btr_cur(pcur); + + success = btr_pcur_restore_position(mode, pcur, mtr); + + ut_ad(success); + + if (mode == BTR_MODIFY_LEAF) { + + err = btr_cur_optimistic_update(BTR_NO_LOCKING_FLAG + | BTR_NO_UNDO_LOG_FLAG + | BTR_KEEP_SYS_FLAG, + btr_cur, node->update, + node->cmpl_info, thr, mtr); + } else { + mem_heap_t* heap = NULL; + big_rec_t* dummy_big_rec; + + ut_ad(mode == BTR_MODIFY_TREE); + + err = btr_cur_pessimistic_update( + BTR_NO_LOCKING_FLAG + | BTR_NO_UNDO_LOG_FLAG + | BTR_KEEP_SYS_FLAG, + btr_cur, &heap, &dummy_big_rec, node->update, + node->cmpl_info, thr, mtr); + + ut_a(!dummy_big_rec); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + } + + return(err); +} + +/***********************************************************//** +Removes a clustered index record after undo if possible. +This is attempted when the record was inserted by updating a +delete-marked record and there no longer exist transactions +that would see the delete-marked record. In other words, we +roll back the insert by purging the record. +@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ +static +ulint +row_undo_mod_remove_clust_low( +/*==========================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr, /*!< in: mtr */ + ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ +{ + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + ulint err; + ibool success; + + ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); + pcur = &(node->pcur); + btr_cur = btr_pcur_get_btr_cur(pcur); + + success = btr_pcur_restore_position(mode, pcur, mtr); + + if (!success) { + + return(DB_SUCCESS); + } + + /* Find out if we can remove the whole clustered index record */ + + if (node->rec_type == TRX_UNDO_UPD_DEL_REC + && !row_vers_must_preserve_del_marked(node->new_trx_id, mtr)) { + + /* Ok, we can remove */ + } else { + return(DB_SUCCESS); + } + + if (mode == BTR_MODIFY_LEAF) { + success = btr_cur_optimistic_delete(btr_cur, mtr); + + if (success) { + err = DB_SUCCESS; + } else { + err = DB_FAIL; + } + } else { + ut_ad(mode == BTR_MODIFY_TREE); + + /* This operation is analogous to purge, we can free also + inherited externally stored fields */ + + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + thr_is_recv(thr) + ? RB_RECOVERY_PURGE_REC + : RB_NONE, mtr); + + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + } + + return(err); +} + +/***********************************************************//** +Undoes a modify in a clustered index record. Sets also the node state for the +next round of undo. +@return DB_SUCCESS or error code: we may run out of file space */ +static +ulint +row_undo_mod_clust( +/*===============*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + btr_pcur_t* pcur; + mtr_t mtr; + ulint err; + ibool success; + ibool more_vers; + undo_no_t new_undo_no; + + ut_ad(node && thr); + + /* Check if also the previous version of the clustered index record + should be undone in this same rollback operation */ + + more_vers = row_undo_mod_undo_also_prev_vers(node, &new_undo_no); + + pcur = &(node->pcur); + + mtr_start(&mtr); + + /* Try optimistic processing of the record, keeping changes within + the index page */ + + err = row_undo_mod_clust_low(node, thr, &mtr, BTR_MODIFY_LEAF); + + if (err != DB_SUCCESS) { + btr_pcur_commit_specify_mtr(pcur, &mtr); + + /* We may have to modify tree structure: do a pessimistic + descent down the index tree */ + + mtr_start(&mtr); + + err = row_undo_mod_clust_low(node, thr, &mtr, BTR_MODIFY_TREE); + } + + btr_pcur_commit_specify_mtr(pcur, &mtr); + + if (err == DB_SUCCESS && node->rec_type == TRX_UNDO_UPD_DEL_REC) { + + mtr_start(&mtr); + + err = row_undo_mod_remove_clust_low(node, thr, &mtr, + BTR_MODIFY_LEAF); + if (err != DB_SUCCESS) { + btr_pcur_commit_specify_mtr(pcur, &mtr); + + /* We may have to modify tree structure: do a + pessimistic descent down the index tree */ + + mtr_start(&mtr); + + err = row_undo_mod_remove_clust_low(node, thr, &mtr, + BTR_MODIFY_TREE); + } + + btr_pcur_commit_specify_mtr(pcur, &mtr); + } + + node->state = UNDO_NODE_FETCH_NEXT; + + trx_undo_rec_release(node->trx, node->undo_no); + + if (more_vers && err == DB_SUCCESS) { + + /* Reserve the undo log record to the prior version after + committing &mtr: this is necessary to comply with the latching + order, as &mtr may contain the fsp latch which is lower in + the latch hierarchy than trx->undo_mutex. */ + + success = trx_undo_rec_reserve(node->trx, new_undo_no); + + if (success) { + node->state = UNDO_NODE_PREV_VERS; + } + } + + return(err); +} + +/***********************************************************//** +Delete marks or removes a secondary index entry if found. +@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_del_mark_or_remove_sec_low( +/*====================================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry, /*!< in: index entry */ + ulint mode) /*!< in: latch mode BTR_MODIFY_LEAF or + BTR_MODIFY_TREE */ +{ + btr_pcur_t pcur; + btr_cur_t* btr_cur; + ibool success; + ibool old_has; + ulint err; + mtr_t mtr; + mtr_t mtr_vers; + enum row_search_result search_result; + + log_free_check(); + mtr_start(&mtr); + + btr_cur = btr_pcur_get_btr_cur(&pcur); + + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); + + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + switch (UNIV_EXPECT(search_result, ROW_FOUND)) { + case ROW_NOT_FOUND: + /* In crash recovery, the secondary index record may + be missing if the UPDATE did not have time to insert + the secondary index records before the crash. When we + are undoing that UPDATE in crash recovery, the record + may be missing. + + In normal processing, if an update ends in a deadlock + before it has inserted all updated secondary index + records, then the undo will not find those records. */ + + err = DB_SUCCESS; + goto func_exit; + case ROW_FOUND: + break; + case ROW_BUFFERED: + case ROW_NOT_DELETED_REF: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ + ut_error; + } + + /* We should remove the index record if no prior version of the row, + which cannot be purged yet, requires its existence. If some requires, + we should delete mark the record. */ + + mtr_start(&mtr_vers); + + success = btr_pcur_restore_position(BTR_SEARCH_LEAF, &(node->pcur), + &mtr_vers); + ut_a(success); + + old_has = row_vers_old_has_index_entry(FALSE, + btr_pcur_get_rec(&(node->pcur)), + &mtr_vers, index, entry); + if (old_has) { + err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG, + btr_cur, TRUE, thr, &mtr); + ut_ad(err == DB_SUCCESS); + } else { + /* Remove the index record */ + + if (mode == BTR_MODIFY_LEAF) { + success = btr_cur_optimistic_delete(btr_cur, &mtr); + if (success) { + err = DB_SUCCESS; + } else { + err = DB_FAIL; + } + } else { + ut_ad(mode == BTR_MODIFY_TREE); + + /* No need to distinguish RB_RECOVERY_PURGE here, + because we are deleting a secondary index record: + the distinction between RB_NORMAL and + RB_RECOVERY_PURGE only matters when deleting a + record that contains externally stored + columns. */ + ut_ad(!dict_index_is_clust(index)); + btr_cur_pessimistic_delete(&err, FALSE, btr_cur, + RB_NORMAL, &mtr); + + /* The delete operation may fail if we have little + file space left: TODO: easiest to crash the database + and restart with more file space */ + } + } + + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); + +func_exit: + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + return(err); +} + +/***********************************************************//** +Delete marks or removes a secondary index entry if found. +NOTE that if we updated the fields of a delete-marked secondary index record +so that alphabetically they stayed the same, e.g., 'abc' -> 'aBc', we cannot +return to the original values because we do not know them. But this should +not cause problems because in row0sel.c, in queries we always retrieve the +clustered index record or an earlier version of it, if the secondary index +record through which we do the search is delete-marked. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_del_mark_or_remove_sec( +/*================================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + dtuple_t* entry) /*!< in: index entry */ +{ + ulint err; + + err = row_undo_mod_del_mark_or_remove_sec_low(node, thr, index, + entry, BTR_MODIFY_LEAF); + if (err == DB_SUCCESS) { + + return(err); + } + + err = row_undo_mod_del_mark_or_remove_sec_low(node, thr, index, + entry, BTR_MODIFY_TREE); + return(err); +} + +/***********************************************************//** +Delete unmarks a secondary index entry which must be found. It might not be +delete-marked at the moment, but it does not harm to unmark it anyway. We also +need to update the fields of the secondary index record if we updated its +fields but alphabetically they stayed the same, e.g., 'abc' -> 'aBc'. +@return DB_FAIL or DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_del_unmark_sec_and_undo_update( +/*========================================*/ + ulint mode, /*!< in: search mode: BTR_MODIFY_LEAF or + BTR_MODIFY_TREE */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry) /*!< in: index entry */ +{ + mem_heap_t* heap; + btr_pcur_t pcur; + btr_cur_t* btr_cur; + upd_t* update; + ulint err = DB_SUCCESS; + big_rec_t* dummy_big_rec; + mtr_t mtr; + trx_t* trx = thr_get_trx(thr); + enum row_search_result search_result; + + /* Ignore indexes that are being created. */ + if (UNIV_UNLIKELY(*index->name == TEMP_INDEX_PREFIX)) { + + return(DB_SUCCESS); + } + + log_free_check(); + mtr_start(&mtr); + + ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); + + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + switch (search_result) { + case ROW_BUFFERED: + case ROW_NOT_DELETED_REF: + /* These are invalid outcomes, because the mode passed + to row_search_index_entry() did not include any of the + flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ + ut_error; + case ROW_NOT_FOUND: + fputs("InnoDB: error in sec index entry del undo in\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + fputs("\n" + "InnoDB: tuple ", stderr); + dtuple_print(stderr, entry); + fputs("\n" + "InnoDB: record ", stderr); + rec_print(stderr, btr_pcur_get_rec(&pcur), index); + putc('\n', stderr); + trx_print(stderr, trx, 0); + fputs("\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", stderr); + break; + case ROW_FOUND: + btr_cur = btr_pcur_get_btr_cur(&pcur); + err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG, + btr_cur, FALSE, thr, &mtr); + ut_a(err == DB_SUCCESS); + heap = mem_heap_create(100); + + update = row_upd_build_sec_rec_difference_binary( + index, entry, btr_cur_get_rec(btr_cur), trx, heap); + if (upd_get_n_fields(update) == 0) { + + /* Do nothing */ + + } else if (mode == BTR_MODIFY_LEAF) { + /* Try an optimistic updating of the record, keeping + changes within the page */ + + err = btr_cur_optimistic_update( + BTR_KEEP_SYS_FLAG | BTR_NO_LOCKING_FLAG, + btr_cur, update, 0, thr, &mtr); + switch (err) { + case DB_OVERFLOW: + case DB_UNDERFLOW: + case DB_ZIP_OVERFLOW: + err = DB_FAIL; + } + } else { + ut_a(mode == BTR_MODIFY_TREE); + err = btr_cur_pessimistic_update( + BTR_KEEP_SYS_FLAG | BTR_NO_LOCKING_FLAG, + btr_cur, &heap, &dummy_big_rec, + update, 0, thr, &mtr); + ut_a(!dummy_big_rec); + } + + mem_heap_free(heap); + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + return(err); +} + +/***********************************************************//** +Undoes a modify in secondary indexes when undo record type is UPD_DEL. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_upd_del_sec( +/*=====================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + ulint err = DB_SUCCESS; + + ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); + heap = mem_heap_create(1024); + + while (node->index != NULL) { + index = node->index; + + entry = row_build_index_entry(node->row, node->ext, + index, heap); + if (UNIV_UNLIKELY(!entry)) { + /* The database must have crashed after + inserting a clustered index record but before + writing all the externally stored columns of + that record. Because secondary index entries + are inserted after the clustered index record, + we may assume that the secondary index record + does not exist. However, this situation may + only occur during the rollback of incomplete + transactions. */ + ut_a(thr_is_recv(thr)); + } else { + err = row_undo_mod_del_mark_or_remove_sec( + node, thr, index, entry); + + if (err != DB_SUCCESS) { + + break; + } + } + + mem_heap_empty(heap); + + node->index = dict_table_get_next_index(node->index); + } + + mem_heap_free(heap); + + return(err); +} + +/***********************************************************//** +Undoes a modify in secondary indexes when undo record type is DEL_MARK. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_del_mark_sec( +/*======================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + ulint err; + + heap = mem_heap_create(1024); + + while (node->index != NULL) { + index = node->index; + + entry = row_build_index_entry(node->row, node->ext, + index, heap); + ut_a(entry); + err = row_undo_mod_del_unmark_sec_and_undo_update( + BTR_MODIFY_LEAF, thr, index, entry); + if (err == DB_FAIL) { + err = row_undo_mod_del_unmark_sec_and_undo_update( + BTR_MODIFY_TREE, thr, index, entry); + } + + if (err != DB_SUCCESS) { + + mem_heap_free(heap); + + return(err); + } + + node->index = dict_table_get_next_index(node->index); + } + + mem_heap_free(heap); + + return(DB_SUCCESS); +} + +/***********************************************************//** +Undoes a modify in secondary indexes when undo record type is UPD_EXIST. +@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ +static +ulint +row_undo_mod_upd_exist_sec( +/*=======================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + ulint err; + + if (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) { + /* No change in secondary indexes */ + + return(DB_SUCCESS); + } + + heap = mem_heap_create(1024); + + while (node->index != NULL) { + index = node->index; + + if (row_upd_changes_ord_field_binary(node->row, node->index, + node->update)) { + + /* Build the newest version of the index entry */ + entry = row_build_index_entry(node->row, node->ext, + index, heap); + ut_a(entry); + /* NOTE that if we updated the fields of a + delete-marked secondary index record so that + alphabetically they stayed the same, e.g., + 'abc' -> 'aBc', we cannot return to the original + values because we do not know them. But this should + not cause problems because in row0sel.c, in queries + we always retrieve the clustered index record or an + earlier version of it, if the secondary index record + through which we do the search is delete-marked. */ + + err = row_undo_mod_del_mark_or_remove_sec(node, thr, + index, + entry); + if (err != DB_SUCCESS) { + mem_heap_free(heap); + + return(err); + } + + /* We may have to update the delete mark in the + secondary index record of the previous version of + the row. We also need to update the fields of + the secondary index record if we updated its fields + but alphabetically they stayed the same, e.g., + 'abc' -> 'aBc'. */ + mem_heap_empty(heap); + entry = row_build_index_entry(node->undo_row, + node->undo_ext, + index, heap); + ut_a(entry); + + err = row_undo_mod_del_unmark_sec_and_undo_update( + BTR_MODIFY_LEAF, thr, index, entry); + if (err == DB_FAIL) { + err = row_undo_mod_del_unmark_sec_and_undo_update( + BTR_MODIFY_TREE, thr, index, entry); + } + + if (err != DB_SUCCESS) { + mem_heap_free(heap); + + return(err); + } + } + + node->index = dict_table_get_next_index(node->index); + } + + mem_heap_free(heap); + + return(DB_SUCCESS); +} + +/***********************************************************//** +Parses the row reference and other info in a modify undo log record. */ +static +void +row_undo_mod_parse_undo_rec( +/*========================*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + dict_index_t* clust_index; + byte* ptr; + undo_no_t undo_no; + dulint table_id; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + ulint info_bits; + ulint type; + ulint cmpl_info; + ibool dummy_extern; + trx_t* trx; + + ut_ad(node && thr); + trx = thr_get_trx(thr); + ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &cmpl_info, + &dummy_extern, &undo_no, &table_id); + node->rec_type = type; + + node->table = dict_table_get_on_id(table_id, trx); + + /* TODO: other fixes associated with DROP TABLE + rollback in the + same table by another user */ + + if (node->table == NULL) { + /* Table was dropped */ + return; + } + + if (node->table->ibd_file_missing) { + /* We skip undo operations to missing .ibd files */ + node->table = NULL; + + return; + } + + clust_index = dict_table_get_first_index(node->table); + + ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, + &info_bits); + + ptr = trx_undo_rec_get_row_ref(ptr, clust_index, &(node->ref), + node->heap); + + trx_undo_update_rec_get_update(ptr, clust_index, type, trx_id, + roll_ptr, info_bits, trx, + node->heap, &(node->update)); + node->new_roll_ptr = roll_ptr; + node->new_trx_id = trx_id; + node->cmpl_info = cmpl_info; +} + +/***********************************************************//** +Undoes a modify operation on a row of a table. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +row_undo_mod( +/*=========*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + + ut_ad(node && thr); + ut_ad(node->state == UNDO_NODE_MODIFY); + + row_undo_mod_parse_undo_rec(node, thr); + + if (!node->table || !row_undo_search_clust_to_pcur(node)) { + /* It is already undone, or will be undone by another query + thread, or table was dropped */ + + trx_undo_rec_release(node->trx, node->undo_no); + node->state = UNDO_NODE_FETCH_NEXT; + + return(DB_SUCCESS); + } + + node->index = dict_table_get_next_index( + dict_table_get_first_index(node->table)); + + if (node->rec_type == TRX_UNDO_UPD_EXIST_REC) { + + err = row_undo_mod_upd_exist_sec(node, thr); + + } else if (node->rec_type == TRX_UNDO_DEL_MARK_REC) { + + err = row_undo_mod_del_mark_sec(node, thr); + } else { + ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); + err = row_undo_mod_upd_del_sec(node, thr); + } + + if (err != DB_SUCCESS) { + + return(err); + } + + err = row_undo_mod_clust(node, thr); + + return(err); +} diff --git a/perfschema/row/row0undo.c b/perfschema/row/row0undo.c new file mode 100644 index 00000000000..3d739c9689a --- /dev/null +++ b/perfschema/row/row0undo.c @@ -0,0 +1,377 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0undo.c +Row undo + +Created 1/8/1997 Heikki Tuuri +*******************************************************/ + +#include "row0undo.h" + +#ifdef UNIV_NONINL +#include "row0undo.ic" +#endif + +#include "fsp0fsp.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "trx0undo.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "que0que.h" +#include "row0row.h" +#include "row0uins.h" +#include "row0umod.h" +#include "row0upd.h" +#include "row0mysql.h" +#include "srv0srv.h" + +/* How to undo row operations? +(1) For an insert, we have stored a prefix of the clustered index record +in the undo log. Using it, we look for the clustered record, and using +that we look for the records in the secondary indexes. The insert operation +may have been left incomplete, if the database crashed, for example. +We may have look at the trx id and roll ptr to make sure the record in the +clustered index is really the one for which the undo log record was +written. We can use the framework we get from the original insert op. +(2) Delete marking: We can use the framework we get from the original +delete mark op. We only have to check the trx id. +(3) Update: This may be the most complicated. We have to use the framework +we get from the original update op. + +What if the same trx repeatedly deletes and inserts an identical row. +Then the row id changes and also roll ptr. What if the row id was not +part of the ordering fields in the clustered index? Maybe we have to write +it to undo log. Well, maybe not, because if we order the row id and trx id +in descending order, then the only undeleted copy is the first in the +index. Our searches in row operations always position the cursor before +the first record in the result set. But, if there is no key defined for +a table, then it would be desirable that row id is in ascending order. +So, lets store row id in descending order only if it is not an ordering +field in the clustered index. + +NOTE: Deletes and inserts may lead to situation where there are identical +records in a secondary index. Is that a problem in the B-tree? Yes. +Also updates can lead to this, unless trx id and roll ptr are included in +ord fields. +(1) Fix in clustered indexes: include row id, trx id, and roll ptr +in node pointers of B-tree. +(2) Fix in secondary indexes: include all fields in node pointers, and +if an entry is inserted, check if it is equal to the right neighbor, +in which case update the right neighbor: the neighbor must be delete +marked, set it unmarked and write the trx id of the current transaction. + +What if the same trx repeatedly updates the same row, updating a secondary +index field or not? Updating a clustered index ordering field? + +(1) If it does not update the secondary index and not the clustered index +ord field. Then the secondary index record stays unchanged, but the +trx id in the secondary index record may be smaller than in the clustered +index record. This is no problem? +(2) If it updates secondary index ord field but not clustered: then in +secondary index there are delete marked records, which differ in an +ord field. No problem. +(3) Updates clustered ord field but not secondary, and secondary index +is unique. Then the record in secondary index is just updated at the +clustered ord field. +(4) + +Problem with duplicate records: +Fix 1: Add a trx op no field to all indexes. A problem: if a trx with a +bigger trx id has inserted and delete marked a similar row, our trx inserts +again a similar row, and a trx with an even bigger id delete marks it. Then +the position of the row should change in the index if the trx id affects +the alphabetical ordering. + +Fix 2: If an insert encounters a similar row marked deleted, we turn the +insert into an 'update' of the row marked deleted. Then we must write undo +info on the update. A problem: what if a purge operation tries to remove +the delete marked row? + +We can think of the database row versions as a linked list which starts +from the record in the clustered index, and is linked by roll ptrs +through undo logs. The secondary index records are references which tell +what kinds of records can be found in this linked list for a record +in the clustered index. + +How to do the purge? A record can be removed from the clustered index +if its linked list becomes empty, i.e., the row has been marked deleted +and its roll ptr points to the record in the undo log we are going through, +doing the purge. Similarly, during a rollback, a record can be removed +if the stored roll ptr in the undo log points to a trx already (being) purged, +or if the roll ptr is NULL, i.e., it was a fresh insert. */ + +/********************************************************************//** +Creates a row undo node to a query graph. +@return own: undo node */ +UNIV_INTERN +undo_node_t* +row_undo_node_create( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ + mem_heap_t* heap) /*!< in: memory heap where created */ +{ + undo_node_t* undo; + + ut_ad(trx && parent && heap); + + undo = mem_heap_alloc(heap, sizeof(undo_node_t)); + + undo->common.type = QUE_NODE_UNDO; + undo->common.parent = parent; + + undo->state = UNDO_NODE_FETCH_NEXT; + undo->trx = trx; + + btr_pcur_init(&(undo->pcur)); + + undo->heap = mem_heap_create(256); + + return(undo); +} + +/***********************************************************//** +Looks for the clustered index record when node has the row reference. +The pcur in node is used in the search. If found, stores the row to node, +and stores the position of pcur, and detaches it. The pcur must be closed +by the caller in any case. +@return TRUE if found; NOTE the node->pcur must be closed by the +caller, regardless of the return value */ +UNIV_INTERN +ibool +row_undo_search_clust_to_pcur( +/*==========================*/ + undo_node_t* node) /*!< in: row undo node */ +{ + dict_index_t* clust_index; + ibool found; + mtr_t mtr; + ibool ret; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + mtr_start(&mtr); + + clust_index = dict_table_get_first_index(node->table); + + found = row_search_on_row_ref(&(node->pcur), BTR_MODIFY_LEAF, + node->table, node->ref, &mtr); + + rec = btr_pcur_get_rec(&(node->pcur)); + + offsets = rec_get_offsets(rec, clust_index, offsets, + ULINT_UNDEFINED, &heap); + + if (!found || 0 != ut_dulint_cmp(node->roll_ptr, + row_get_rec_roll_ptr(rec, clust_index, + offsets))) { + + /* We must remove the reservation on the undo log record + BEFORE releasing the latch on the clustered index page: this + is to make sure that some thread will eventually undo the + modification corresponding to node->roll_ptr. */ + + /* fputs("--------------------undoing a previous version\n", + stderr); */ + + ret = FALSE; + } else { + node->row = row_build(ROW_COPY_DATA, clust_index, rec, + offsets, NULL, &node->ext, node->heap); + if (node->update) { + node->undo_row = dtuple_copy(node->row, node->heap); + row_upd_replace(node->undo_row, &node->undo_ext, + clust_index, node->update, node->heap); + } else { + node->undo_row = NULL; + node->undo_ext = NULL; + } + + btr_pcur_store_position(&(node->pcur), &mtr); + + ret = TRUE; + } + + btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(ret); +} + +/***********************************************************//** +Fetches an undo log record and does the undo for the recorded operation. +If none left, or a partial rollback completed, returns control to the +parent node, which is always a query thread node. +@return DB_SUCCESS if operation successfully completed, else error code */ +static +ulint +row_undo( +/*=====*/ + undo_node_t* node, /*!< in: row undo node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + trx_t* trx; + roll_ptr_t roll_ptr; + ibool locked_data_dict; + + ut_ad(node && thr); + + trx = node->trx; + + if (node->state == UNDO_NODE_FETCH_NEXT) { + + node->undo_rec = trx_roll_pop_top_rec_of_trx(trx, + trx->roll_limit, + &roll_ptr, + node->heap); + if (!node->undo_rec) { + /* Rollback completed for this query thread */ + + thr->run_node = que_node_get_parent(node); + + return(DB_SUCCESS); + } + + node->roll_ptr = roll_ptr; + node->undo_no = trx_undo_rec_get_undo_no(node->undo_rec); + + if (trx_undo_roll_ptr_is_insert(roll_ptr)) { + + node->state = UNDO_NODE_INSERT; + } else { + node->state = UNDO_NODE_MODIFY; + } + + } else if (node->state == UNDO_NODE_PREV_VERS) { + + /* Undo should be done to the same clustered index record + again in this same rollback, restoring the previous version */ + + roll_ptr = node->new_roll_ptr; + + node->undo_rec = trx_undo_get_undo_rec_low(roll_ptr, + node->heap); + node->roll_ptr = roll_ptr; + node->undo_no = trx_undo_rec_get_undo_no(node->undo_rec); + + if (trx_undo_roll_ptr_is_insert(roll_ptr)) { + + node->state = UNDO_NODE_INSERT; + } else { + node->state = UNDO_NODE_MODIFY; + } + } + + /* Prevent DROP TABLE etc. while we are rolling back this row. + If we are doing a TABLE CREATE or some other dictionary operation, + then we already have dict_operation_lock locked in x-mode. Do not + try to lock again, because that would cause a hang. */ + + locked_data_dict = (trx->dict_operation_lock_mode == 0); + + if (locked_data_dict) { + + row_mysql_lock_data_dictionary(trx); + } + + if (node->state == UNDO_NODE_INSERT) { + + err = row_undo_ins(node); + + node->state = UNDO_NODE_FETCH_NEXT; + } else { + ut_ad(node->state == UNDO_NODE_MODIFY); + err = row_undo_mod(node, thr); + } + + if (locked_data_dict) { + + row_mysql_unlock_data_dictionary(trx); + } + + /* Do some cleanup */ + btr_pcur_close(&(node->pcur)); + + mem_heap_empty(node->heap); + + thr->run_node = node; + + return(err); +} + +/***********************************************************//** +Undoes a row operation in a table. This is a high-level function used +in SQL execution graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_undo_step( +/*==========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err; + undo_node_t* node; + trx_t* trx; + + ut_ad(thr); + + srv_activity_count++; + + trx = thr_get_trx(thr); + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_UNDO); + + err = row_undo(node, thr); + + trx->error_state = err; + + if (err != DB_SUCCESS) { + /* SQL error detected */ + + fprintf(stderr, "InnoDB: Fatal error %lu in rollback.\n", + (ulong) err); + + if (err == DB_OUT_OF_FILE_SPACE) { + fprintf(stderr, + "InnoDB: Error 13 means out of tablespace.\n" + "InnoDB: Consider increasing" + " your tablespace.\n"); + + exit(1); + } + + ut_error; + + return(NULL); + } + + return(thr); +} diff --git a/perfschema/row/row0upd.c b/perfschema/row/row0upd.c new file mode 100644 index 00000000000..26a5a91c0e2 --- /dev/null +++ b/perfschema/row/row0upd.c @@ -0,0 +1,2208 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0upd.c +Update of a row + +Created 12/27/1996 Heikki Tuuri +*******************************************************/ + +#include "row0upd.h" + +#ifdef UNIV_NONINL +#include "row0upd.ic" +#endif + +#include "dict0dict.h" +#include "trx0undo.h" +#include "rem0rec.h" +#ifndef UNIV_HOTBACKUP +#include "dict0boot.h" +#include "dict0crea.h" +#include "mach0data.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "que0que.h" +#include "row0ext.h" +#include "row0ins.h" +#include "row0sel.h" +#include "row0row.h" +#include "rem0cmp.h" +#include "lock0lock.h" +#include "log0log.h" +#include "pars0sym.h" +#include "eval0eval.h" +#include "buf0lru.h" + + +/* What kind of latch and lock can we assume when the control comes to + ------------------------------------------------------------------- +an update node? +-------------- +Efficiency of massive updates would require keeping an x-latch on a +clustered index page through many updates, and not setting an explicit +x-lock on clustered index records, as they anyway will get an implicit +x-lock when they are updated. A problem is that the read nodes in the +graph should know that they must keep the latch when passing the control +up to the update node, and not set any record lock on the record which +will be updated. Another problem occurs if the execution is stopped, +as the kernel switches to another query thread, or the transaction must +wait for a lock. Then we should be able to release the latch and, maybe, +acquire an explicit x-lock on the record. + Because this seems too complicated, we conclude that the less +efficient solution of releasing all the latches when the control is +transferred to another node, and acquiring explicit x-locks, is better. */ + +/* How is a delete performed? If there is a delete without an +explicit cursor, i.e., a searched delete, there are at least +two different situations: +the implicit select cursor may run on (1) the clustered index or +on (2) a secondary index. The delete is performed by setting +the delete bit in the record and substituting the id of the +deleting transaction for the original trx id, and substituting a +new roll ptr for previous roll ptr. The old trx id and roll ptr +are saved in the undo log record. Thus, no physical changes occur +in the index tree structure at the time of the delete. Only +when the undo log is purged, the index records will be physically +deleted from the index trees. + +The query graph executing a searched delete would consist of +a delete node which has as a subtree a select subgraph. +The select subgraph should return a (persistent) cursor +in the clustered index, placed on page which is x-latched. +The delete node should look for all secondary index records for +this clustered index entry and mark them as deleted. When is +the x-latch freed? The most efficient way for performing a +searched delete is obviously to keep the x-latch for several +steps of query graph execution. */ + +/***********************************************************//** +Checks if an update vector changes some of the first ordering fields of an +index record. This is only used in foreign key checks and we can assume +that index does not contain column prefixes. +@return TRUE if changes */ +static +ibool +row_upd_changes_first_fields_binary( +/*================================*/ + dtuple_t* entry, /*!< in: old value of index entry */ + dict_index_t* index, /*!< in: index of entry */ + const upd_t* update, /*!< in: update vector for the row */ + ulint n); /*!< in: how many first fields to check */ + + +/*********************************************************************//** +Checks if index currently is mentioned as a referenced index in a foreign +key constraint. + +NOTE that since we do not hold dict_operation_lock when leaving the +function, it may be that the referencing table has been dropped when +we leave this function: this function is only for heuristic use! + +@return TRUE if referenced */ +static +ibool +row_upd_index_is_referenced( +/*========================*/ + dict_index_t* index, /*!< in: index */ + trx_t* trx) /*!< in: transaction */ +{ + dict_table_t* table = index->table; + dict_foreign_t* foreign; + ibool froze_data_dict = FALSE; + ibool is_referenced = FALSE; + + if (!UT_LIST_GET_FIRST(table->referenced_list)) { + + return(FALSE); + } + + if (trx->dict_operation_lock_mode == 0) { + row_mysql_freeze_data_dictionary(trx); + froze_data_dict = TRUE; + } + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign) { + if (foreign->referenced_index == index) { + + is_referenced = TRUE; + goto func_exit; + } + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + +func_exit: + if (froze_data_dict) { + row_mysql_unfreeze_data_dictionary(trx); + } + + return(is_referenced); +} + +/*********************************************************************//** +Checks if possible foreign key constraints hold after a delete of the record +under pcur. + +NOTE that this function will temporarily commit mtr and lose the +pcur position! + +@return DB_SUCCESS or an error code */ +static +ulint +row_upd_check_references_constraints( +/*=================================*/ + upd_node_t* node, /*!< in: row update node */ + btr_pcur_t* pcur, /*!< in: cursor positioned on a record; NOTE: the + cursor position is lost in this function! */ + dict_table_t* table, /*!< in: table in question */ + dict_index_t* index, /*!< in: index of the cursor */ + ulint* offsets,/*!< in/out: rec_get_offsets(pcur.rec, index) */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_foreign_t* foreign; + mem_heap_t* heap; + dtuple_t* entry; + trx_t* trx; + const rec_t* rec; + ulint n_ext; + ulint err; + ibool got_s_lock = FALSE; + + if (UT_LIST_GET_FIRST(table->referenced_list) == NULL) { + + return(DB_SUCCESS); + } + + trx = thr_get_trx(thr); + + rec = btr_pcur_get_rec(pcur); + ut_ad(rec_offs_validate(rec, index, offsets)); + + heap = mem_heap_create(500); + + entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, + &n_ext, heap); + + mtr_commit(mtr); + + mtr_start(mtr); + + if (trx->dict_operation_lock_mode == 0) { + got_s_lock = TRUE; + + row_mysql_freeze_data_dictionary(trx); + } + + foreign = UT_LIST_GET_FIRST(table->referenced_list); + + while (foreign) { + /* Note that we may have an update which updates the index + record, but does NOT update the first fields which are + referenced in a foreign key constraint. Then the update does + NOT break the constraint. */ + + if (foreign->referenced_index == index + && (node->is_delete + || row_upd_changes_first_fields_binary( + entry, index, node->update, + foreign->n_fields))) { + + if (foreign->foreign_table == NULL) { + dict_table_get(foreign->foreign_table_name, + FALSE); + } + + if (foreign->foreign_table) { + mutex_enter(&(dict_sys->mutex)); + + (foreign->foreign_table + ->n_foreign_key_checks_running)++; + + mutex_exit(&(dict_sys->mutex)); + } + + /* NOTE that if the thread ends up waiting for a lock + we will release dict_operation_lock temporarily! + But the counter on the table protects 'foreign' from + being dropped while the check is running. */ + + err = row_ins_check_foreign_constraint( + FALSE, foreign, table, entry, thr); + + if (foreign->foreign_table) { + mutex_enter(&(dict_sys->mutex)); + + ut_a(foreign->foreign_table + ->n_foreign_key_checks_running > 0); + + (foreign->foreign_table + ->n_foreign_key_checks_running)--; + + mutex_exit(&(dict_sys->mutex)); + } + + if (err != DB_SUCCESS) { + + goto func_exit; + } + } + + foreign = UT_LIST_GET_NEXT(referenced_list, foreign); + } + + err = DB_SUCCESS; + +func_exit: + if (got_s_lock) { + row_mysql_unfreeze_data_dictionary(trx); + } + + mem_heap_free(heap); + + return(err); +} + +/*********************************************************************//** +Creates an update node for a query graph. +@return own: update node */ +UNIV_INTERN +upd_node_t* +upd_node_create( +/*============*/ + mem_heap_t* heap) /*!< in: mem heap where created */ +{ + upd_node_t* node; + + node = mem_heap_alloc(heap, sizeof(upd_node_t)); + node->common.type = QUE_NODE_UPDATE; + + node->state = UPD_NODE_UPDATE_CLUSTERED; + node->in_mysql_interface = FALSE; + + node->row = NULL; + node->ext = NULL; + node->upd_row = NULL; + node->upd_ext = NULL; + node->index = NULL; + node->update = NULL; + + node->foreign = NULL; + node->cascade_heap = NULL; + node->cascade_node = NULL; + + node->select = NULL; + + node->heap = mem_heap_create(128); + node->magic_n = UPD_NODE_MAGIC_N; + + node->cmpl_info = 0; + + return(node); +} +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Updates the trx id and roll ptr field in a clustered index record in database +recovery. */ +UNIV_INTERN +void +row_upd_rec_sys_fields_in_recovery( +/*===============================*/ + rec_t* rec, /*!< in/out: record */ + page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + ulint pos, /*!< in: TRX_ID position in rec */ + trx_id_t trx_id, /*!< in: transaction id */ + roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ +{ + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_write_trx_id_and_roll_ptr( + page_zip, rec, offsets, pos, trx_id, roll_ptr); + } else { + byte* field; + ulint len; + + field = rec_get_nth_field(rec, offsets, pos, &len); + ut_ad(len == DATA_TRX_ID_LEN); +#if DATA_TRX_ID + 1 != DATA_ROLL_PTR +# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" +#endif + trx_write_trx_id(field, trx_id); + trx_write_roll_ptr(field + DATA_TRX_ID_LEN, roll_ptr); + } +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Sets the trx id or roll ptr field of a clustered index entry. */ +UNIV_INTERN +void +row_upd_index_entry_sys_field( +/*==========================*/ + const dtuple_t* entry, /*!< in: index entry, where the memory buffers + for sys fields are already allocated: + the function just copies the new values to + them */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ + dulint val) /*!< in: value to write */ +{ + dfield_t* dfield; + byte* field; + ulint pos; + + ut_ad(dict_index_is_clust(index)); + + pos = dict_index_get_sys_col_pos(index, type); + + dfield = dtuple_get_nth_field(entry, pos); + field = dfield_get_data(dfield); + + if (type == DATA_TRX_ID) { + trx_write_trx_id(field, val); + } else { + ut_ad(type == DATA_ROLL_PTR); + trx_write_roll_ptr(field, val); + } +} + +/***********************************************************//** +Returns TRUE if row update changes size of some field in index or if some +field to be updated is stored externally in rec or update. +@return TRUE if the update changes the size of some field in index or +the field is external in rec or update */ +UNIV_INTERN +ibool +row_upd_changes_field_size_or_external( +/*===================================*/ + dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + const upd_t* update) /*!< in: update vector */ +{ + const upd_field_t* upd_field; + const dfield_t* new_val; + ulint old_len; + ulint new_len; + ulint n_fields; + ulint i; + + ut_ad(rec_offs_validate(NULL, index, offsets)); + n_fields = upd_get_n_fields(update); + + for (i = 0; i < n_fields; i++) { + upd_field = upd_get_nth_field(update, i); + + new_val = &(upd_field->new_val); + new_len = dfield_get_len(new_val); + + if (dfield_is_null(new_val) && !rec_offs_comp(offsets)) { + /* A bug fixed on Dec 31st, 2004: we looked at the + SQL NULL size from the wrong field! We may backport + this fix also to 4.0. The merge to 5.0 will be made + manually immediately after we commit this to 4.1. */ + + new_len = dict_col_get_sql_null_size( + dict_index_get_nth_col(index, + upd_field->field_no), + 0); + } + + old_len = rec_offs_nth_size(offsets, upd_field->field_no); + + if (rec_offs_comp(offsets) + && rec_offs_nth_sql_null(offsets, + upd_field->field_no)) { + /* Note that in the compact table format, for a + variable length field, an SQL NULL will use zero + bytes in the offset array at the start of the physical + record, but a zero-length value (empty string) will + use one byte! Thus, we cannot use update-in-place + if we update an SQL NULL varchar to an empty string! */ + + old_len = UNIV_SQL_NULL; + } + + if (dfield_is_ext(new_val) || old_len != new_len + || rec_offs_nth_extern(offsets, upd_field->field_no)) { + + return(TRUE); + } + } + + return(FALSE); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Replaces the new column values stored in the update vector to the record +given. No field size changes are allowed. */ +UNIV_INTERN +void +row_upd_rec_in_place( +/*=================*/ + rec_t* rec, /*!< in/out: record where replaced */ + dict_index_t* index, /*!< in: the index the record belongs to */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + const upd_t* update, /*!< in: update vector */ + page_zip_des_t* page_zip)/*!< in: compressed page with enough space + available, or NULL */ +{ + const upd_field_t* upd_field; + const dfield_t* new_val; + ulint n_fields; + ulint i; + + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (rec_offs_comp(offsets)) { + rec_set_info_bits_new(rec, update->info_bits); + } else { + rec_set_info_bits_old(rec, update->info_bits); + } + + n_fields = upd_get_n_fields(update); + + for (i = 0; i < n_fields; i++) { + upd_field = upd_get_nth_field(update, i); + new_val = &(upd_field->new_val); + ut_ad(!dfield_is_ext(new_val) == + !rec_offs_nth_extern(offsets, upd_field->field_no)); + + rec_set_nth_field(rec, offsets, upd_field->field_no, + dfield_get_data(new_val), + dfield_get_len(new_val)); + } + + if (UNIV_LIKELY_NULL(page_zip)) { + page_zip_write_rec(page_zip, rec, index, offsets, 0); + } +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Writes into the redo log the values of trx id and roll ptr and enough info +to determine their positions within a clustered index record. +@return new pointer to mlog */ +UNIV_INTERN +byte* +row_upd_write_sys_vals_to_log( +/*==========================*/ + dict_index_t* index, /*!< in: clustered index */ + trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ + byte* log_ptr,/*!< pointer to a buffer of size > 20 opened + in mlog */ + mtr_t* mtr __attribute__((unused))) /*!< in: mtr */ +{ + ut_ad(dict_index_is_clust(index)); + ut_ad(mtr); + + log_ptr += mach_write_compressed(log_ptr, + dict_index_get_sys_col_pos( + index, DATA_TRX_ID)); + + trx_write_roll_ptr(log_ptr, roll_ptr); + log_ptr += DATA_ROLL_PTR_LEN; + + log_ptr += mach_dulint_write_compressed(log_ptr, trx->id); + + return(log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Parses the log data of system field values. +@return log data end or NULL */ +UNIV_INTERN +byte* +row_upd_parse_sys_vals( +/*===================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + ulint* pos, /*!< out: TRX_ID position in record */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr)/*!< out: roll ptr */ +{ + ptr = mach_parse_compressed(ptr, end_ptr, pos); + + if (ptr == NULL) { + + return(NULL); + } + + if (end_ptr < ptr + DATA_ROLL_PTR_LEN) { + + return(NULL); + } + + *roll_ptr = trx_read_roll_ptr(ptr); + ptr += DATA_ROLL_PTR_LEN; + + ptr = mach_dulint_parse_compressed(ptr, end_ptr, trx_id); + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************//** +Writes to the redo log the new values of the fields occurring in the index. */ +UNIV_INTERN +void +row_upd_index_write_log( +/*====================*/ + const upd_t* update, /*!< in: update vector */ + byte* log_ptr,/*!< in: pointer to mlog buffer: must + contain at least MLOG_BUF_MARGIN bytes + of free space; the buffer is closed + within this function */ + mtr_t* mtr) /*!< in: mtr into whose log to write */ +{ + const upd_field_t* upd_field; + const dfield_t* new_val; + ulint len; + ulint n_fields; + byte* buf_end; + ulint i; + + n_fields = upd_get_n_fields(update); + + buf_end = log_ptr + MLOG_BUF_MARGIN; + + mach_write_to_1(log_ptr, update->info_bits); + log_ptr++; + log_ptr += mach_write_compressed(log_ptr, n_fields); + + for (i = 0; i < n_fields; i++) { + +#if MLOG_BUF_MARGIN <= 30 +# error "MLOG_BUF_MARGIN <= 30" +#endif + + if (log_ptr + 30 > buf_end) { + mlog_close(mtr, log_ptr); + + log_ptr = mlog_open(mtr, MLOG_BUF_MARGIN); + buf_end = log_ptr + MLOG_BUF_MARGIN; + } + + upd_field = upd_get_nth_field(update, i); + + new_val = &(upd_field->new_val); + + len = dfield_get_len(new_val); + + log_ptr += mach_write_compressed(log_ptr, upd_field->field_no); + log_ptr += mach_write_compressed(log_ptr, len); + + if (len != UNIV_SQL_NULL) { + if (log_ptr + len < buf_end) { + memcpy(log_ptr, dfield_get_data(new_val), len); + + log_ptr += len; + } else { + mlog_close(mtr, log_ptr); + + mlog_catenate_string(mtr, + dfield_get_data(new_val), + len); + + log_ptr = mlog_open(mtr, MLOG_BUF_MARGIN); + buf_end = log_ptr + MLOG_BUF_MARGIN; + } + } + } + + mlog_close(mtr, log_ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/*********************************************************************//** +Parses the log data written by row_upd_index_write_log. +@return log data end or NULL */ +UNIV_INTERN +byte* +row_upd_index_parse( +/*================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + mem_heap_t* heap, /*!< in: memory heap where update vector is + built */ + upd_t** update_out)/*!< out: update vector */ +{ + upd_t* update; + upd_field_t* upd_field; + dfield_t* new_val; + ulint len; + ulint n_fields; + ulint info_bits; + ulint i; + + if (end_ptr < ptr + 1) { + + return(NULL); + } + + info_bits = mach_read_from_1(ptr); + ptr++; + ptr = mach_parse_compressed(ptr, end_ptr, &n_fields); + + if (ptr == NULL) { + + return(NULL); + } + + update = upd_create(n_fields, heap); + update->info_bits = info_bits; + + for (i = 0; i < n_fields; i++) { + ulint field_no; + upd_field = upd_get_nth_field(update, i); + new_val = &(upd_field->new_val); + + ptr = mach_parse_compressed(ptr, end_ptr, &field_no); + + if (ptr == NULL) { + + return(NULL); + } + + upd_field->field_no = field_no; + + ptr = mach_parse_compressed(ptr, end_ptr, &len); + + if (ptr == NULL) { + + return(NULL); + } + + if (len != UNIV_SQL_NULL) { + + if (end_ptr < ptr + len) { + + return(NULL); + } + + dfield_set_data(new_val, + mem_heap_dup(heap, ptr, len), len); + ptr += len; + } else { + dfield_set_null(new_val); + } + } + + *update_out = update; + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Builds an update vector from those fields which in a secondary index entry +differ from a record that has the equal ordering fields. NOTE: we compare +the fields as binary strings! +@return own: update vector of differing fields */ +UNIV_INTERN +upd_t* +row_upd_build_sec_rec_difference_binary( +/*====================================*/ + dict_index_t* index, /*!< in: index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: secondary index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ +{ + upd_field_t* upd_field; + const dfield_t* dfield; + const byte* data; + ulint len; + upd_t* update; + ulint n_diff; + ulint i; + ulint offsets_[REC_OFFS_SMALL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + /* This function is used only for a secondary index */ + ut_a(!dict_index_is_clust(index)); + + update = upd_create(dtuple_get_n_fields(entry), heap); + + n_diff = 0; + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + + for (i = 0; i < dtuple_get_n_fields(entry); i++) { + + data = rec_get_nth_field(rec, offsets, i, &len); + + dfield = dtuple_get_nth_field(entry, i); + + /* NOTE that it may be that len != dfield_get_len(dfield) if we + are updating in a character set and collation where strings of + different length can be equal in an alphabetical comparison, + and also in the case where we have a column prefix index + and the last characters in the index field are spaces; the + latter case probably caused the assertion failures reported at + row0upd.c line 713 in versions 4.0.14 - 4.0.16. */ + + /* NOTE: we compare the fields as binary strings! + (No collation) */ + + if (!dfield_data_is_binary_equal(dfield, len, data)) { + + upd_field = upd_get_nth_field(update, n_diff); + + dfield_copy(&(upd_field->new_val), dfield); + + upd_field_set_field_no(upd_field, i, index, trx); + + n_diff++; + } + } + + update->n_fields = n_diff; + + return(update); +} + +/***************************************************************//** +Builds an update vector from those fields, excluding the roll ptr and +trx id fields, which in an index entry differ from a record that has +the equal ordering fields. NOTE: we compare the fields as binary strings! +@return own: update vector of differing fields, excluding roll ptr and +trx id */ +UNIV_INTERN +upd_t* +row_upd_build_difference_binary( +/*============================*/ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* entry, /*!< in: entry to insert */ + const rec_t* rec, /*!< in: clustered index record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ +{ + upd_field_t* upd_field; + const dfield_t* dfield; + const byte* data; + ulint len; + upd_t* update; + ulint n_diff; + ulint roll_ptr_pos; + ulint trx_id_pos; + ulint i; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + /* This function is used only for a clustered index */ + ut_a(dict_index_is_clust(index)); + + update = upd_create(dtuple_get_n_fields(entry), heap); + + n_diff = 0; + + roll_ptr_pos = dict_index_get_sys_col_pos(index, DATA_ROLL_PTR); + trx_id_pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); + + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + + for (i = 0; i < dtuple_get_n_fields(entry); i++) { + + data = rec_get_nth_field(rec, offsets, i, &len); + + dfield = dtuple_get_nth_field(entry, i); + + /* NOTE: we compare the fields as binary strings! + (No collation) */ + + if (i == trx_id_pos || i == roll_ptr_pos) { + + goto skip_compare; + } + + if (UNIV_UNLIKELY(!dfield_is_ext(dfield) + != !rec_offs_nth_extern(offsets, i)) + || !dfield_data_is_binary_equal(dfield, len, data)) { + + upd_field = upd_get_nth_field(update, n_diff); + + dfield_copy(&(upd_field->new_val), dfield); + + upd_field_set_field_no(upd_field, i, index, trx); + + n_diff++; + } +skip_compare: + ; + } + + update->n_fields = n_diff; + + return(update); +} + +/***********************************************************//** +Fetch a prefix of an externally stored column. This is similar +to row_ext_lookup(), but the row_ext_t holds the old values +of the column and must not be poisoned with the new values. +@return BLOB prefix */ +static +byte* +row_upd_ext_fetch( +/*==============*/ + const byte* data, /*!< in: 'internally' stored part of the + field containing also the reference to + the external part */ + ulint local_len, /*!< in: length of data, in bytes */ + ulint zip_size, /*!< in: nonzero=compressed BLOB + page size, zero for uncompressed + BLOBs */ + ulint* len, /*!< in: length of prefix to fetch; + out: fetched length of the prefix */ + mem_heap_t* heap) /*!< in: heap where to allocate */ +{ + byte* buf = mem_heap_alloc(heap, *len); + + *len = btr_copy_externally_stored_field_prefix(buf, *len, + zip_size, + data, local_len); + /* We should never update records containing a half-deleted BLOB. */ + ut_a(*len); + + return(buf); +} + +/***********************************************************//** +Replaces the new column value stored in the update vector in +the given index entry field. */ +static +void +row_upd_index_replace_new_col_val( +/*==============================*/ + dfield_t* dfield, /*!< in/out: data field + of the index entry */ + const dict_field_t* field, /*!< in: index field */ + const dict_col_t* col, /*!< in: field->col */ + const upd_field_t* uf, /*!< in: update field */ + mem_heap_t* heap, /*!< in: memory heap for allocating + and copying the new value */ + ulint zip_size)/*!< in: compressed page + size of the table, or 0 */ +{ + ulint len; + const byte* data; + + dfield_copy_data(dfield, &uf->new_val); + + if (dfield_is_null(dfield)) { + return; + } + + len = dfield_get_len(dfield); + data = dfield_get_data(dfield); + + if (field->prefix_len > 0) { + ibool fetch_ext = dfield_is_ext(dfield) + && len < (ulint) field->prefix_len + + BTR_EXTERN_FIELD_REF_SIZE; + + if (fetch_ext) { + ulint l = len; + + len = field->prefix_len; + + data = row_upd_ext_fetch(data, l, zip_size, + &len, heap); + } + + len = dtype_get_at_most_n_mbchars(col->prtype, + col->mbminlen, col->mbmaxlen, + field->prefix_len, len, + (const char*) data); + + dfield_set_data(dfield, data, len); + + if (!fetch_ext) { + dfield_dup(dfield, heap); + } + + return; + } + + switch (uf->orig_len) { + byte* buf; + case BTR_EXTERN_FIELD_REF_SIZE: + /* Restore the original locally stored + part of the column. In the undo log, + InnoDB writes a longer prefix of externally + stored columns, so that column prefixes + in secondary indexes can be reconstructed. */ + dfield_set_data(dfield, + data + len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + dfield_set_ext(dfield); + /* fall through */ + case 0: + dfield_dup(dfield, heap); + break; + default: + /* Reconstruct the original locally + stored part of the column. The data + will have to be copied. */ + ut_a(uf->orig_len > BTR_EXTERN_FIELD_REF_SIZE); + buf = mem_heap_alloc(heap, uf->orig_len); + /* Copy the locally stored prefix. */ + memcpy(buf, data, + uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE); + /* Copy the BLOB pointer. */ + memcpy(buf + uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE, + data + len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + + dfield_set_data(dfield, buf, uf->orig_len); + dfield_set_ext(dfield); + break; + } +} + +/***********************************************************//** +Replaces the new column values stored in the update vector to the index entry +given. */ +UNIV_INTERN +void +row_upd_index_replace_new_col_vals_index_pos( +/*=========================================*/ + dtuple_t* entry, /*!< in/out: index entry where replaced; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + dict_index_t* index, /*!< in: index; NOTE that this may also be a + non-clustered index */ + const upd_t* update, /*!< in: an update vector built for the index so + that the field number in an upd_field is the + index position */ + ibool order_only, + /*!< in: if TRUE, limit the replacement to + ordering fields of index; note that this + does not work for non-clustered indexes. */ + mem_heap_t* heap) /*!< in: memory heap for allocating and + copying the new values */ +{ + ulint i; + ulint n_fields; + const ulint zip_size = dict_table_zip_size(index->table); + + ut_ad(index); + + dtuple_set_info_bits(entry, update->info_bits); + + if (order_only) { + n_fields = dict_index_get_n_unique(index); + } else { + n_fields = dict_index_get_n_fields(index); + } + + for (i = 0; i < n_fields; i++) { + const dict_field_t* field; + const dict_col_t* col; + const upd_field_t* uf; + + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + uf = upd_get_field_by_field_no(update, i); + + if (uf) { + row_upd_index_replace_new_col_val( + dtuple_get_nth_field(entry, i), + field, col, uf, heap, zip_size); + } + } +} + +/***********************************************************//** +Replaces the new column values stored in the update vector to the index entry +given. */ +UNIV_INTERN +void +row_upd_index_replace_new_col_vals( +/*===============================*/ + dtuple_t* entry, /*!< in/out: index entry where replaced; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + dict_index_t* index, /*!< in: index; NOTE that this may also be a + non-clustered index */ + const upd_t* update, /*!< in: an update vector built for the + CLUSTERED index so that the field number in + an upd_field is the clustered index position */ + mem_heap_t* heap) /*!< in: memory heap for allocating and + copying the new values */ +{ + ulint i; + const dict_index_t* clust_index + = dict_table_get_first_index(index->table); + const ulint zip_size + = dict_table_zip_size(index->table); + + dtuple_set_info_bits(entry, update->info_bits); + + for (i = 0; i < dict_index_get_n_fields(index); i++) { + const dict_field_t* field; + const dict_col_t* col; + const upd_field_t* uf; + + field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(field); + uf = upd_get_field_by_field_no( + update, dict_col_get_clust_pos(col, clust_index)); + + if (uf) { + row_upd_index_replace_new_col_val( + dtuple_get_nth_field(entry, i), + field, col, uf, heap, zip_size); + } + } +} + +/***********************************************************//** +Replaces the new column values stored in the update vector. */ +UNIV_INTERN +void +row_upd_replace( +/*============*/ + dtuple_t* row, /*!< in/out: row where replaced, + indexed by col_no; + the clustered index record must be + covered by a lock or a page latch to + prevent deletion (rollback or purge) */ + row_ext_t** ext, /*!< out, own: NULL, or externally + stored column prefixes */ + const dict_index_t* index, /*!< in: clustered index */ + const upd_t* update, /*!< in: an update vector built for the + clustered index */ + mem_heap_t* heap) /*!< in: memory heap */ +{ + ulint col_no; + ulint i; + ulint n_cols; + ulint n_ext_cols; + ulint* ext_cols; + const dict_table_t* table; + + ut_ad(row); + ut_ad(ext); + ut_ad(index); + ut_ad(dict_index_is_clust(index)); + ut_ad(update); + ut_ad(heap); + + n_cols = dtuple_get_n_fields(row); + table = index->table; + ut_ad(n_cols == dict_table_get_n_cols(table)); + + ext_cols = mem_heap_alloc(heap, n_cols * sizeof *ext_cols); + n_ext_cols = 0; + + dtuple_set_info_bits(row, update->info_bits); + + for (col_no = 0; col_no < n_cols; col_no++) { + + const dict_col_t* col + = dict_table_get_nth_col(table, col_no); + const ulint clust_pos + = dict_col_get_clust_pos(col, index); + dfield_t* dfield; + + if (UNIV_UNLIKELY(clust_pos == ULINT_UNDEFINED)) { + + continue; + } + + dfield = dtuple_get_nth_field(row, col_no); + + for (i = 0; i < upd_get_n_fields(update); i++) { + + const upd_field_t* upd_field + = upd_get_nth_field(update, i); + + if (upd_field->field_no != clust_pos) { + + continue; + } + + dfield_copy_data(dfield, &upd_field->new_val); + break; + } + + if (dfield_is_ext(dfield) && col->ord_part) { + ext_cols[n_ext_cols++] = col_no; + } + } + + if (n_ext_cols) { + *ext = row_ext_create(n_ext_cols, ext_cols, row, + dict_table_zip_size(table), heap); + } else { + *ext = NULL; + } +} + +/***********************************************************//** +Checks if an update vector changes an ordering field of an index record. + +This function is fast if the update vector is short or the number of ordering +fields in the index is small. Otherwise, this can be quadratic. +NOTE: we compare the fields as binary strings! +@return TRUE if update vector changes an ordering field in the index record */ +UNIV_INTERN +ibool +row_upd_changes_ord_field_binary( +/*=============================*/ + const dtuple_t* row, /*!< in: old value of row, or NULL if the + row and the data values in update are not + known when this function is called, e.g., at + compile time */ + dict_index_t* index, /*!< in: index of the record */ + const upd_t* update) /*!< in: update vector for the row; NOTE: the + field numbers in this MUST be clustered index + positions! */ +{ + ulint n_unique; + ulint n_upd_fields; + ulint i, j; + dict_index_t* clust_index; + + ut_ad(update && index); + + n_unique = dict_index_get_n_unique(index); + n_upd_fields = upd_get_n_fields(update); + + clust_index = dict_table_get_first_index(index->table); + + for (i = 0; i < n_unique; i++) { + + const dict_field_t* ind_field; + const dict_col_t* col; + ulint col_pos; + ulint col_no; + + ind_field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(ind_field); + col_pos = dict_col_get_clust_pos(col, clust_index); + col_no = dict_col_get_no(col); + + for (j = 0; j < n_upd_fields; j++) { + + const upd_field_t* upd_field + = upd_get_nth_field(update, j); + + /* Note that if the index field is a column prefix + then it may be that row does not contain an externally + stored part of the column value, and we cannot compare + the datas */ + + if (col_pos == upd_field->field_no + && (row == NULL + || ind_field->prefix_len > 0 + || !dfield_datas_are_binary_equal( + dtuple_get_nth_field(row, col_no), + &(upd_field->new_val)))) { + + return(TRUE); + } + } + } + + return(FALSE); +} + +/***********************************************************//** +Checks if an update vector changes an ordering field of an index record. +NOTE: we compare the fields as binary strings! +@return TRUE if update vector may change an ordering field in an index +record */ +UNIV_INTERN +ibool +row_upd_changes_some_index_ord_field_binary( +/*========================================*/ + const dict_table_t* table, /*!< in: table */ + const upd_t* update) /*!< in: update vector for the row */ +{ + upd_field_t* upd_field; + dict_index_t* index; + ulint i; + + index = dict_table_get_first_index(table); + + for (i = 0; i < upd_get_n_fields(update); i++) { + + upd_field = upd_get_nth_field(update, i); + + if (dict_field_get_col(dict_index_get_nth_field( + index, upd_field->field_no)) + ->ord_part) { + + return(TRUE); + } + } + + return(FALSE); +} + +/***********************************************************//** +Checks if an update vector changes some of the first ordering fields of an +index record. This is only used in foreign key checks and we can assume +that index does not contain column prefixes. +@return TRUE if changes */ +static +ibool +row_upd_changes_first_fields_binary( +/*================================*/ + dtuple_t* entry, /*!< in: index entry */ + dict_index_t* index, /*!< in: index of entry */ + const upd_t* update, /*!< in: update vector for the row */ + ulint n) /*!< in: how many first fields to check */ +{ + ulint n_upd_fields; + ulint i, j; + dict_index_t* clust_index; + + ut_ad(update && index); + ut_ad(n <= dict_index_get_n_fields(index)); + + n_upd_fields = upd_get_n_fields(update); + clust_index = dict_table_get_first_index(index->table); + + for (i = 0; i < n; i++) { + + const dict_field_t* ind_field; + const dict_col_t* col; + ulint col_pos; + + ind_field = dict_index_get_nth_field(index, i); + col = dict_field_get_col(ind_field); + col_pos = dict_col_get_clust_pos(col, clust_index); + + ut_a(ind_field->prefix_len == 0); + + for (j = 0; j < n_upd_fields; j++) { + + upd_field_t* upd_field + = upd_get_nth_field(update, j); + + if (col_pos == upd_field->field_no + && !dfield_datas_are_binary_equal( + dtuple_get_nth_field(entry, i), + &(upd_field->new_val))) { + + return(TRUE); + } + } + } + + return(FALSE); +} + +/*********************************************************************//** +Copies the column values from a record. */ +UNIV_INLINE +void +row_upd_copy_columns( +/*=================*/ + rec_t* rec, /*!< in: record in a clustered index */ + const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ + sym_node_t* column) /*!< in: first column in a column list, or + NULL */ +{ + byte* data; + ulint len; + + while (column) { + data = rec_get_nth_field(rec, offsets, + column->field_nos[SYM_CLUST_FIELD_NO], + &len); + eval_node_copy_and_alloc_val(column, data, len); + + column = UT_LIST_GET_NEXT(col_var_list, column); + } +} + +/*********************************************************************//** +Calculates the new values for fields to update. Note that row_upd_copy_columns +must have been called first. */ +UNIV_INLINE +void +row_upd_eval_new_vals( +/*==================*/ + upd_t* update) /*!< in/out: update vector */ +{ + que_node_t* exp; + upd_field_t* upd_field; + ulint n_fields; + ulint i; + + n_fields = upd_get_n_fields(update); + + for (i = 0; i < n_fields; i++) { + upd_field = upd_get_nth_field(update, i); + + exp = upd_field->exp; + + eval_exp(exp); + + dfield_copy_data(&(upd_field->new_val), que_node_get_val(exp)); + } +} + +/***********************************************************//** +Stores to the heap the row on which the node->pcur is positioned. */ +static +void +row_upd_store_row( +/*==============*/ + upd_node_t* node) /*!< in: row update node */ +{ + dict_index_t* clust_index; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + const ulint* offsets; + rec_offs_init(offsets_); + + ut_ad(node->pcur->latch_mode != BTR_NO_LATCHES); + + if (node->row != NULL) { + mem_heap_empty(node->heap); + } + + clust_index = dict_table_get_first_index(node->table); + + rec = btr_pcur_get_rec(node->pcur); + + offsets = rec_get_offsets(rec, clust_index, offsets_, + ULINT_UNDEFINED, &heap); + node->row = row_build(ROW_COPY_DATA, clust_index, rec, offsets, + NULL, &node->ext, node->heap); + if (node->is_delete) { + node->upd_row = NULL; + node->upd_ext = NULL; + } else { + node->upd_row = dtuple_copy(node->row, node->heap); + row_upd_replace(node->upd_row, &node->upd_ext, + clust_index, node->update, node->heap); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } +} + +/***********************************************************//** +Updates a secondary index entry of a row. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_upd_sec_index_entry( +/*====================*/ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ +{ + mtr_t mtr; + const rec_t* rec; + btr_pcur_t pcur; + mem_heap_t* heap; + dtuple_t* entry; + dict_index_t* index; + btr_cur_t* btr_cur; + ibool referenced; + ulint err = DB_SUCCESS; + trx_t* trx = thr_get_trx(thr); + ulint mode = BTR_MODIFY_LEAF; + enum row_search_result search_result; + + index = node->index; + + referenced = row_upd_index_is_referenced(index, trx); + + heap = mem_heap_create(1024); + + /* Build old index entry */ + entry = row_build_index_entry(node->row, node->ext, index, heap); + ut_a(entry); + + log_free_check(); + mtr_start(&mtr); + + /* Set the query thread, so that ibuf_insert_low() will be + able to invoke thd_get_trx(). */ + btr_pcur_get_btr_cur(&pcur)->thr = thr; + + /* We can only try to use the insert/delete buffer to buffer + delete-mark operations if the index we're modifying has no foreign + key constraints referring to it. */ + if (!referenced) { + mode |= BTR_DELETE_MARK; + } + + search_result = row_search_index_entry(index, entry, mode, + &pcur, &mtr); + + btr_cur = btr_pcur_get_btr_cur(&pcur); + + rec = btr_cur_get_rec(btr_cur); + + switch (search_result) { + case ROW_NOT_DELETED_REF: /* should only occur for BTR_DELETE */ + ut_error; + break; + case ROW_BUFFERED: + /* Entry was delete marked already. */ + break; + + case ROW_NOT_FOUND: + fputs("InnoDB: error in sec index entry update in\n" + "InnoDB: ", stderr); + dict_index_name_print(stderr, trx, index); + fputs("\n" + "InnoDB: tuple ", stderr); + dtuple_print(stderr, entry); + fputs("\n" + "InnoDB: record ", stderr); + rec_print(stderr, rec, index); + putc('\n', stderr); + + trx_print(stderr, trx, 0); + + fputs("\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n", stderr); + break; + case ROW_FOUND: + /* Delete mark the old index record; it can already be + delete marked if we return after a lock wait in + row_ins_index_entry below */ + + if (!rec_get_deleted_flag( + rec, dict_table_is_comp(index->table))) { + + err = btr_cur_del_mark_set_sec_rec( + 0, btr_cur, TRUE, thr, &mtr); + + if (err == DB_SUCCESS && referenced) { + + ulint* offsets; + + offsets = rec_get_offsets( + rec, index, NULL, ULINT_UNDEFINED, + &heap); + + /* NOTE that the following call loses + the position of pcur ! */ + err = row_upd_check_references_constraints( + node, &pcur, index->table, + index, offsets, thr, &mtr); + } + } + break; + } + + btr_pcur_close(&pcur); + mtr_commit(&mtr); + + if (node->is_delete || err != DB_SUCCESS) { + + goto func_exit; + } + + /* Build a new index entry */ + entry = row_build_index_entry(node->upd_row, node->upd_ext, + index, heap); + ut_a(entry); + + /* Insert new index entry */ + err = row_ins_index_entry(index, entry, 0, TRUE, thr); + +func_exit: + mem_heap_free(heap); + + return(err); +} + +/***********************************************************//** +Updates the secondary index record if it is changed in the row update or +deletes it if this is a delete. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +UNIV_INLINE +ulint +row_upd_sec_step( +/*=============*/ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ut_ad((node->state == UPD_NODE_UPDATE_ALL_SEC) + || (node->state == UPD_NODE_UPDATE_SOME_SEC)); + ut_ad(!dict_index_is_clust(node->index)); + + if (node->state == UPD_NODE_UPDATE_ALL_SEC + || row_upd_changes_ord_field_binary(node->row, node->index, + node->update)) { + return(row_upd_sec_index_entry(node, thr)); + } + + return(DB_SUCCESS); +} + +/***********************************************************//** +Marks the clustered index record deleted and inserts the updated version +of the record to the index. This function should be used when the ordering +fields of the clustered index record change. This should be quite rare in +database applications. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_upd_clust_rec_by_insert( +/*========================*/ + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index of the record */ + que_thr_t* thr, /*!< in: query thread */ + ibool referenced,/*!< in: TRUE if index may be referenced in + a foreign key constraint */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ +{ + mem_heap_t* heap = NULL; + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + trx_t* trx; + dict_table_t* table; + dtuple_t* entry; + ulint err; + + ut_ad(node); + ut_ad(dict_index_is_clust(index)); + + trx = thr_get_trx(thr); + table = node->table; + pcur = node->pcur; + btr_cur = btr_pcur_get_btr_cur(pcur); + + if (node->state != UPD_NODE_INSERT_CLUSTERED) { + rec_t* rec; + dict_index_t* index; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets; + rec_offs_init(offsets_); + + err = btr_cur_del_mark_set_clust_rec(BTR_NO_LOCKING_FLAG, + btr_cur, TRUE, thr, mtr); + if (err != DB_SUCCESS) { + mtr_commit(mtr); + return(err); + } + + /* Mark as not-owned the externally stored fields which the new + row inherits from the delete marked record: purge should not + free those externally stored fields even if the delete marked + record is removed from the index tree, or updated. */ + + rec = btr_cur_get_rec(btr_cur); + index = dict_table_get_first_index(table); + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + btr_cur_mark_extern_inherited_fields( + btr_cur_get_page_zip(btr_cur), + rec, index, offsets, node->update, mtr); + if (referenced) { + /* NOTE that the following call loses + the position of pcur ! */ + + err = row_upd_check_references_constraints( + node, pcur, table, index, offsets, thr, mtr); + + if (err != DB_SUCCESS) { + + mtr_commit(mtr); + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + return(err); + } + } + } + + mtr_commit(mtr); + + if (!heap) { + heap = mem_heap_create(500); + } + node->state = UPD_NODE_INSERT_CLUSTERED; + + entry = row_build_index_entry(node->upd_row, node->upd_ext, + index, heap); + ut_a(entry); + + row_upd_index_entry_sys_field(entry, index, DATA_TRX_ID, trx->id); + + if (node->upd_ext) { + /* If we return from a lock wait, for example, we may have + extern fields marked as not-owned in entry (marked in the + if-branch above). We must unmark them. */ + + btr_cur_unmark_dtuple_extern_fields(entry); + + /* We must mark non-updated extern fields in entry as + inherited, so that a possible rollback will not free them. */ + + btr_cur_mark_dtuple_inherited_extern(entry, node->update); + } + + err = row_ins_index_entry(index, entry, + node->upd_ext ? node->upd_ext->n_ext : 0, + TRUE, thr); + mem_heap_free(heap); + + return(err); +} + +/***********************************************************//** +Updates a clustered index record of a row when the ordering fields do +not change. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_upd_clust_rec( +/*==============*/ + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index */ + que_thr_t* thr, /*!< in: query thread */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ +{ + mem_heap_t* heap = NULL; + big_rec_t* big_rec = NULL; + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + ulint err; + + ut_ad(node); + ut_ad(dict_index_is_clust(index)); + + pcur = node->pcur; + btr_cur = btr_pcur_get_btr_cur(pcur); + + ut_ad(!rec_get_deleted_flag(btr_pcur_get_rec(pcur), + dict_table_is_comp(index->table))); + + /* Try optimistic updating of the record, keeping changes within + the page; we do not check locks because we assume the x-lock on the + record to update */ + + if (node->cmpl_info & UPD_NODE_NO_SIZE_CHANGE) { + err = btr_cur_update_in_place(BTR_NO_LOCKING_FLAG, + btr_cur, node->update, + node->cmpl_info, thr, mtr); + } else { + err = btr_cur_optimistic_update(BTR_NO_LOCKING_FLAG, + btr_cur, node->update, + node->cmpl_info, thr, mtr); + } + + mtr_commit(mtr); + + if (UNIV_LIKELY(err == DB_SUCCESS)) { + + return(DB_SUCCESS); + } + + if (buf_LRU_buf_pool_running_out()) { + + return(DB_LOCK_TABLE_FULL); + } + /* We may have to modify the tree structure: do a pessimistic descent + down the index tree */ + + mtr_start(mtr); + + /* NOTE: this transaction has an s-lock or x-lock on the record and + therefore other transactions cannot modify the record when we have no + latch on the page. In addition, we assume that other query threads of + the same transaction do not modify the record in the meantime. + Therefore we can assert that the restoration of the cursor succeeds. */ + + ut_a(btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr)); + + ut_ad(!rec_get_deleted_flag(btr_pcur_get_rec(pcur), + dict_table_is_comp(index->table))); + + err = btr_cur_pessimistic_update(BTR_NO_LOCKING_FLAG, btr_cur, + &heap, &big_rec, node->update, + node->cmpl_info, thr, mtr); + mtr_commit(mtr); + + if (err == DB_SUCCESS && big_rec) { + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + rec_t* rec; + rec_offs_init(offsets_); + + mtr_start(mtr); + + ut_a(btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr)); + rec = btr_cur_get_rec(btr_cur); + err = btr_store_big_rec_extern_fields( + index, btr_cur_get_block(btr_cur), rec, + rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap), + big_rec, mtr); + mtr_commit(mtr); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + if (big_rec) { + dtuple_big_rec_free(big_rec); + } + + return(err); +} + +/***********************************************************//** +Delete marks a clustered index record. +@return DB_SUCCESS if operation successfully completed, else error code */ +static +ulint +row_upd_del_mark_clust_rec( +/*=======================*/ + upd_node_t* node, /*!< in: row update node */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in/out: rec_get_offsets() for the + record under the cursor */ + que_thr_t* thr, /*!< in: query thread */ + ibool referenced, + /*!< in: TRUE if index may be referenced in + a foreign key constraint */ + mtr_t* mtr) /*!< in: mtr; gets committed here */ +{ + btr_pcur_t* pcur; + btr_cur_t* btr_cur; + ulint err; + + ut_ad(node); + ut_ad(dict_index_is_clust(index)); + ut_ad(node->is_delete); + + pcur = node->pcur; + btr_cur = btr_pcur_get_btr_cur(pcur); + + /* Store row because we have to build also the secondary index + entries */ + + row_upd_store_row(node); + + /* Mark the clustered index record deleted; we do not have to check + locks, because we assume that we have an x-lock on the record */ + + err = btr_cur_del_mark_set_clust_rec(BTR_NO_LOCKING_FLAG, + btr_cur, TRUE, thr, mtr); + if (err == DB_SUCCESS && referenced) { + /* NOTE that the following call loses the position of pcur ! */ + + err = row_upd_check_references_constraints( + node, pcur, index->table, index, offsets, thr, mtr); + } + + mtr_commit(mtr); + + return(err); +} + +/***********************************************************//** +Updates the clustered index record. +@return DB_SUCCESS if operation successfully completed, DB_LOCK_WAIT +in case of a lock wait, else error code */ +static +ulint +row_upd_clust_step( +/*===============*/ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ +{ + dict_index_t* index; + btr_pcur_t* pcur; + ibool success; + ulint err; + mtr_t* mtr; + mtr_t mtr_buf; + rec_t* rec; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets; + ibool referenced; + rec_offs_init(offsets_); + + index = dict_table_get_first_index(node->table); + + referenced = row_upd_index_is_referenced(index, thr_get_trx(thr)); + + pcur = node->pcur; + + /* We have to restore the cursor to its position */ + mtr = &mtr_buf; + + mtr_start(mtr); + + /* If the restoration does not succeed, then the same + transaction has deleted the record on which the cursor was, + and that is an SQL error. If the restoration succeeds, it may + still be that the same transaction has successively deleted + and inserted a record with the same ordering fields, but in + that case we know that the transaction has at least an + implicit x-lock on the record. */ + + ut_a(pcur->rel_pos == BTR_PCUR_ON); + + success = btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, mtr); + + if (!success) { + err = DB_RECORD_NOT_FOUND; + + mtr_commit(mtr); + + return(err); + } + + /* If this is a row in SYS_INDEXES table of the data dictionary, + then we have to free the file segments of the index tree associated + with the index */ + + if (node->is_delete + && ut_dulint_cmp(node->table->id, DICT_INDEXES_ID) == 0) { + + dict_drop_index_tree(btr_pcur_get_rec(pcur), mtr); + + mtr_commit(mtr); + + mtr_start(mtr); + + success = btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, + mtr); + if (!success) { + err = DB_ERROR; + + mtr_commit(mtr); + + return(err); + } + } + + rec = btr_pcur_get_rec(pcur); + offsets = rec_get_offsets(rec, index, offsets_, + ULINT_UNDEFINED, &heap); + + if (!node->has_clust_rec_x_lock) { + err = lock_clust_rec_modify_check_and_lock( + 0, btr_pcur_get_block(pcur), + rec, index, offsets, thr); + if (err != DB_SUCCESS) { + mtr_commit(mtr); + goto exit_func; + } + } + + /* NOTE: the following function calls will also commit mtr */ + + if (node->is_delete) { + err = row_upd_del_mark_clust_rec( + node, index, offsets, thr, referenced, mtr); + + if (err == DB_SUCCESS) { + node->state = UPD_NODE_UPDATE_ALL_SEC; + node->index = dict_table_get_next_index(index); + } +exit_func: + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(err); + } + + /* If the update is made for MySQL, we already have the update vector + ready, else we have to do some evaluation: */ + + if (UNIV_UNLIKELY(!node->in_mysql_interface)) { + /* Copy the necessary columns from clust_rec and calculate the + new values to set */ + row_upd_copy_columns(rec, offsets, + UT_LIST_GET_FIRST(node->columns)); + row_upd_eval_new_vals(node->update); + } + + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + + if (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) { + + err = row_upd_clust_rec(node, index, thr, mtr); + return(err); + } + + row_upd_store_row(node); + + if (row_upd_changes_ord_field_binary(node->row, index, node->update)) { + + /* Update causes an ordering field (ordering fields within + the B-tree) of the clustered index record to change: perform + the update by delete marking and inserting. + + TODO! What to do to the 'Halloween problem', where an update + moves the record forward in index so that it is again + updated when the cursor arrives there? Solution: the + read operation must check the undo record undo number when + choosing records to update. MySQL solves now the problem + externally! */ + + err = row_upd_clust_rec_by_insert( + node, index, thr, referenced, mtr); + + if (err != DB_SUCCESS) { + + return(err); + } + + node->state = UPD_NODE_UPDATE_ALL_SEC; + } else { + err = row_upd_clust_rec(node, index, thr, mtr); + + if (err != DB_SUCCESS) { + + return(err); + } + + node->state = UPD_NODE_UPDATE_SOME_SEC; + } + + node->index = dict_table_get_next_index(index); + + return(err); +} + +/***********************************************************//** +Updates the affected index records of a row. When the control is transferred +to this node, we assume that we have a persistent cursor which was on a +record, and the position of the cursor is stored in the cursor. +@return DB_SUCCESS if operation successfully completed, else error +code or DB_LOCK_WAIT */ +static +ulint +row_upd( +/*====*/ + upd_node_t* node, /*!< in: row update node */ + que_thr_t* thr) /*!< in: query thread */ +{ + ulint err = DB_SUCCESS; + + ut_ad(node && thr); + + if (UNIV_LIKELY(node->in_mysql_interface)) { + + /* We do not get the cmpl_info value from the MySQL + interpreter: we must calculate it on the fly: */ + + if (node->is_delete + || row_upd_changes_some_index_ord_field_binary( + node->table, node->update)) { + node->cmpl_info = 0; + } else { + node->cmpl_info = UPD_NODE_NO_ORD_CHANGE; + } + } + + if (node->state == UPD_NODE_UPDATE_CLUSTERED + || node->state == UPD_NODE_INSERT_CLUSTERED) { + + err = row_upd_clust_step(node, thr); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + } + + if (!node->is_delete && (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { + + goto function_exit; + } + + while (node->index != NULL) { + err = row_upd_sec_step(node, thr); + + if (err != DB_SUCCESS) { + + goto function_exit; + } + + node->index = dict_table_get_next_index(node->index); + } + +function_exit: + if (err == DB_SUCCESS) { + /* Do some cleanup */ + + if (node->row != NULL) { + node->row = NULL; + node->ext = NULL; + node->upd_row = NULL; + node->upd_ext = NULL; + mem_heap_empty(node->heap); + } + + node->state = UPD_NODE_UPDATE_CLUSTERED; + } + + return(err); +} + +/***********************************************************//** +Updates a row in a table. This is a high-level function used in SQL execution +graphs. +@return query thread to run next or NULL */ +UNIV_INTERN +que_thr_t* +row_upd_step( +/*=========*/ + que_thr_t* thr) /*!< in: query thread */ +{ + upd_node_t* node; + sel_node_t* sel_node; + que_node_t* parent; + ulint err = DB_SUCCESS; + trx_t* trx; + + ut_ad(thr); + + trx = thr_get_trx(thr); + + trx_start_if_not_started(trx); + + node = thr->run_node; + + sel_node = node->select; + + parent = que_node_get_parent(node); + + ut_ad(que_node_get_type(node) == QUE_NODE_UPDATE); + + if (thr->prev_node == parent) { + node->state = UPD_NODE_SET_IX_LOCK; + } + + if (node->state == UPD_NODE_SET_IX_LOCK) { + + if (!node->has_clust_rec_x_lock) { + /* It may be that the current session has not yet + started its transaction, or it has been committed: */ + + err = lock_table(0, node->table, LOCK_IX, thr); + + if (err != DB_SUCCESS) { + + goto error_handling; + } + } + + node->state = UPD_NODE_UPDATE_CLUSTERED; + + if (node->searched_update) { + /* Reset the cursor */ + sel_node->state = SEL_NODE_OPEN; + + /* Fetch a row to update */ + + thr->run_node = sel_node; + + return(thr); + } + } + + /* sel_node is NULL if we are in the MySQL interface */ + + if (sel_node && (sel_node->state != SEL_NODE_FETCH)) { + + if (!node->searched_update) { + /* An explicit cursor should be positioned on a row + to update */ + + ut_error; + + err = DB_ERROR; + + goto error_handling; + } + + ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); + + /* No more rows to update, or the select node performed the + updates directly in-place */ + + thr->run_node = parent; + + return(thr); + } + + /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ + + err = row_upd(node, thr); + +error_handling: + trx->error_state = err; + + if (err != DB_SUCCESS) { + return(NULL); + } + + /* DO THE TRIGGER ACTIONS HERE */ + + if (node->searched_update) { + /* Fetch next row to update */ + + thr->run_node = sel_node; + } else { + /* It was an explicit cursor update */ + + thr->run_node = parent; + } + + node->state = UPD_NODE_UPDATE_CLUSTERED; + + return(thr); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/row/row0vers.c b/perfschema/row/row0vers.c new file mode 100644 index 00000000000..a4fbb5289aa --- /dev/null +++ b/perfschema/row/row0vers.c @@ -0,0 +1,741 @@ +/***************************************************************************** + +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file row/row0vers.c +Row versions + +Created 2/6/1997 Heikki Tuuri +*******************************************************/ + +#include "row0vers.h" + +#ifdef UNIV_NONINL +#include "row0vers.ic" +#endif + +#include "dict0dict.h" +#include "dict0boot.h" +#include "btr0btr.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "trx0undo.h" +#include "trx0purge.h" +#include "trx0rec.h" +#include "que0que.h" +#include "row0row.h" +#include "row0upd.h" +#include "rem0cmp.h" +#include "read0read.h" +#include "lock0lock.h" + +/*****************************************************************//** +Finds out if an active transaction has inserted or modified a secondary +index record. NOTE: the kernel mutex is temporarily released in this +function! +@return NULL if committed, else the active transaction */ +UNIV_INTERN +trx_t* +row_vers_impl_x_locked_off_kernel( +/*==============================*/ + const rec_t* rec, /*!< in: record in a secondary index */ + dict_index_t* index, /*!< in: the secondary index */ + const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ +{ + dict_index_t* clust_index; + rec_t* clust_rec; + ulint* clust_offsets; + rec_t* version; + trx_id_t trx_id; + mem_heap_t* heap; + mem_heap_t* heap2; + dtuple_t* row; + dtuple_t* entry = NULL; /* assignment to eliminate compiler + warning */ + trx_t* trx; + ulint rec_del; + ulint err; + mtr_t mtr; + ulint comp; + + ut_ad(mutex_own(&kernel_mutex)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + mutex_exit(&kernel_mutex); + + mtr_start(&mtr); + + /* Search for the clustered index record: this is a time-consuming + operation: therefore we release the kernel mutex; also, the release + is required by the latching order convention. The latch on the + clustered index locks the top of the stack of versions. We also + reserve purge_latch to lock the bottom of the version stack. */ + + clust_rec = row_get_clust_rec(BTR_SEARCH_LEAF, rec, index, + &clust_index, &mtr); + if (!clust_rec) { + /* In a rare case it is possible that no clust rec is found + for a secondary index record: if in row0umod.c + row_undo_mod_remove_clust_low() we have already removed the + clust rec, while purge is still cleaning and removing + secondary index records associated with earlier versions of + the clustered index record. In that case there cannot be + any implicit lock on the secondary index record, because + an active transaction which has modified the secondary index + record has also modified the clustered index record. And in + a rollback we always undo the modifications to secondary index + records before the clustered index record. */ + + mutex_enter(&kernel_mutex); + mtr_commit(&mtr); + + return(NULL); + } + + heap = mem_heap_create(1024); + clust_offsets = rec_get_offsets(clust_rec, clust_index, NULL, + ULINT_UNDEFINED, &heap); + trx_id = row_get_rec_trx_id(clust_rec, clust_index, clust_offsets); + + mtr_s_lock(&(purge_sys->latch), &mtr); + + mutex_enter(&kernel_mutex); + + trx = NULL; + if (!trx_is_active(trx_id)) { + /* The transaction that modified or inserted clust_rec is no + longer active: no implicit lock on rec */ + goto exit_func; + } + + if (!lock_check_trx_id_sanity(trx_id, clust_rec, clust_index, + clust_offsets, TRUE)) { + /* Corruption noticed: try to avoid a crash by returning */ + goto exit_func; + } + + comp = page_rec_is_comp(rec); + ut_ad(index->table == clust_index->table); + ut_ad(!!comp == dict_table_is_comp(index->table)); + ut_ad(!comp == !page_rec_is_comp(clust_rec)); + + /* We look up if some earlier version, which was modified by the trx_id + transaction, of the clustered index record would require rec to be in + a different state (delete marked or unmarked, or have different field + values, or not existing). If there is such a version, then rec was + modified by the trx_id transaction, and it has an implicit x-lock on + rec. Note that if clust_rec itself would require rec to be in a + different state, then the trx_id transaction has not yet had time to + modify rec, and does not necessarily have an implicit x-lock on rec. */ + + rec_del = rec_get_deleted_flag(rec, comp); + trx = NULL; + + version = clust_rec; + + for (;;) { + rec_t* prev_version; + ulint vers_del; + row_ext_t* ext; + trx_id_t prev_trx_id; + + mutex_exit(&kernel_mutex); + + /* While we retrieve an earlier version of clust_rec, we + release the kernel mutex, because it may take time to access + the disk. After the release, we have to check if the trx_id + transaction is still active. We keep the semaphore in mtr on + the clust_rec page, so that no other transaction can update + it and get an implicit x-lock on rec. */ + + heap2 = heap; + heap = mem_heap_create(1024); + err = trx_undo_prev_version_build(clust_rec, &mtr, version, + clust_index, clust_offsets, + heap, &prev_version); + mem_heap_free(heap2); /* free version and clust_offsets */ + + if (prev_version == NULL) { + mutex_enter(&kernel_mutex); + + if (!trx_is_active(trx_id)) { + /* Transaction no longer active: no + implicit x-lock */ + + break; + } + + /* If the transaction is still active, + clust_rec must be a fresh insert, because no + previous version was found. */ + ut_ad(err == DB_SUCCESS); + + /* It was a freshly inserted version: there is an + implicit x-lock on rec */ + + trx = trx_get_on_id(trx_id); + + break; + } + + clust_offsets = rec_get_offsets(prev_version, clust_index, + NULL, ULINT_UNDEFINED, &heap); + + vers_del = rec_get_deleted_flag(prev_version, comp); + prev_trx_id = row_get_rec_trx_id(prev_version, clust_index, + clust_offsets); + + /* If the trx_id and prev_trx_id are different and if + the prev_version is marked deleted then the + prev_trx_id must have already committed for the trx_id + to be able to modify the row. Therefore, prev_trx_id + cannot hold any implicit lock. */ + if (vers_del && 0 != ut_dulint_cmp(trx_id, prev_trx_id)) { + + mutex_enter(&kernel_mutex); + break; + } + + /* The stack of versions is locked by mtr. Thus, it + is safe to fetch the prefixes for externally stored + columns. */ + row = row_build(ROW_COPY_POINTERS, clust_index, prev_version, + clust_offsets, NULL, &ext, heap); + entry = row_build_index_entry(row, ext, index, heap); + /* entry may be NULL if a record was inserted in place + of a deleted record, and the BLOB pointers of the new + record were not initialized yet. But in that case, + prev_version should be NULL. */ + ut_a(entry); + + mutex_enter(&kernel_mutex); + + if (!trx_is_active(trx_id)) { + /* Transaction no longer active: no implicit x-lock */ + + break; + } + + /* If we get here, we know that the trx_id transaction is + still active and it has modified prev_version. Let us check + if prev_version would require rec to be in a different + state. */ + + /* The previous version of clust_rec must be + accessible, because the transaction is still active + and clust_rec was not a fresh insert. */ + ut_ad(err == DB_SUCCESS); + + /* We check if entry and rec are identified in the alphabetical + ordering */ + if (0 == cmp_dtuple_rec(entry, rec, offsets)) { + /* The delete marks of rec and prev_version should be + equal for rec to be in the state required by + prev_version */ + + if (rec_del != vers_del) { + trx = trx_get_on_id(trx_id); + + break; + } + + /* It is possible that the row was updated so that the + secondary index record remained the same in + alphabetical ordering, but the field values changed + still. For example, 'abc' -> 'ABC'. Check also that. */ + + dtuple_set_types_binary(entry, + dtuple_get_n_fields(entry)); + if (0 != cmp_dtuple_rec(entry, rec, offsets)) { + + trx = trx_get_on_id(trx_id); + + break; + } + } else if (!rec_del) { + /* The delete mark should be set in rec for it to be + in the state required by prev_version */ + + trx = trx_get_on_id(trx_id); + + break; + } + + if (0 != ut_dulint_cmp(trx_id, prev_trx_id)) { + /* The versions modified by the trx_id transaction end + to prev_version: no implicit x-lock */ + + break; + } + + version = prev_version; + }/* for (;;) */ + +exit_func: + mtr_commit(&mtr); + mem_heap_free(heap); + + return(trx); +} + +/*****************************************************************//** +Finds out if we must preserve a delete marked earlier version of a clustered +index record, because it is >= the purge view. +@return TRUE if earlier version should be preserved */ +UNIV_INTERN +ibool +row_vers_must_preserve_del_marked( +/*==============================*/ + trx_id_t trx_id, /*!< in: transaction id in the version */ + mtr_t* mtr) /*!< in: mtr holding the latch on the + clustered index record; it will also + hold the latch on purge_view */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + mtr_s_lock(&(purge_sys->latch), mtr); + + if (trx_purge_update_undo_must_exist(trx_id)) { + + /* A purge operation is not yet allowed to remove this + delete marked record */ + + return(TRUE); + } + + return(FALSE); +} + +/*****************************************************************//** +Finds out if a version of the record, where the version >= the current +purge view, should have ientry as its secondary index entry. We check +if there is any not delete marked version of the record where the trx +id >= purge view, and the secondary index entry and ientry are identified in +the alphabetical ordering; exactly in this case we return TRUE. +@return TRUE if earlier version should have */ +UNIV_INTERN +ibool +row_vers_old_has_index_entry( +/*=========================*/ + ibool also_curr,/*!< in: TRUE if also rec is included in the + versions to search; otherwise only versions + prior to it are searched */ + const rec_t* rec, /*!< in: record in the clustered index; the + caller must have a latch on the page */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will + also hold the latch on purge_view */ + dict_index_t* index, /*!< in: the secondary index */ + const dtuple_t* ientry) /*!< in: the secondary index entry */ +{ + const rec_t* version; + rec_t* prev_version; + dict_index_t* clust_index; + ulint* clust_offsets; + mem_heap_t* heap; + mem_heap_t* heap2; + const dtuple_t* row; + const dtuple_t* entry; + ulint err; + ulint comp; + + ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) + || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + mtr_s_lock(&(purge_sys->latch), mtr); + + clust_index = dict_table_get_first_index(index->table); + + comp = page_rec_is_comp(rec); + ut_ad(!dict_table_is_comp(index->table) == !comp); + heap = mem_heap_create(1024); + clust_offsets = rec_get_offsets(rec, clust_index, NULL, + ULINT_UNDEFINED, &heap); + + if (also_curr && !rec_get_deleted_flag(rec, comp)) { + row_ext_t* ext; + + /* The stack of versions is locked by mtr. + Thus, it is safe to fetch the prefixes for + externally stored columns. */ + row = row_build(ROW_COPY_POINTERS, clust_index, + rec, clust_offsets, NULL, &ext, heap); + entry = row_build_index_entry(row, ext, index, heap); + + /* If entry == NULL, the record contains unset BLOB + pointers. This must be a freshly inserted record. If + this is called from + row_purge_remove_sec_if_poss_low(), the thread will + hold latches on the clustered index and the secondary + index. Because the insert works in three steps: + + (1) insert the record to clustered index + (2) store the BLOBs and update BLOB pointers + (3) insert records to secondary indexes + + the purge thread can safely ignore freshly inserted + records and delete the secondary index record. The + thread that inserted the new record will be inserting + the secondary index records. */ + + /* NOTE that we cannot do the comparison as binary + fields because the row is maybe being modified so that + the clustered index record has already been updated to + a different binary value in a char field, but the + collation identifies the old and new value anyway! */ + if (entry && !dtuple_coll_cmp(ientry, entry)) { + + mem_heap_free(heap); + + return(TRUE); + } + } + + version = rec; + + for (;;) { + heap2 = heap; + heap = mem_heap_create(1024); + err = trx_undo_prev_version_build(rec, mtr, version, + clust_index, clust_offsets, + heap, &prev_version); + mem_heap_free(heap2); /* free version and clust_offsets */ + + if (err != DB_SUCCESS || !prev_version) { + /* Versions end here */ + + mem_heap_free(heap); + + return(FALSE); + } + + clust_offsets = rec_get_offsets(prev_version, clust_index, + NULL, ULINT_UNDEFINED, &heap); + + if (!rec_get_deleted_flag(prev_version, comp)) { + row_ext_t* ext; + + /* The stack of versions is locked by mtr. + Thus, it is safe to fetch the prefixes for + externally stored columns. */ + row = row_build(ROW_COPY_POINTERS, clust_index, + prev_version, clust_offsets, + NULL, &ext, heap); + entry = row_build_index_entry(row, ext, index, heap); + + /* If entry == NULL, the record contains unset + BLOB pointers. This must be a freshly + inserted record that we can safely ignore. + For the justification, see the comments after + the previous row_build_index_entry() call. */ + + /* NOTE that we cannot do the comparison as binary + fields because maybe the secondary index record has + already been updated to a different binary value in + a char field, but the collation identifies the old + and new value anyway! */ + + if (entry && !dtuple_coll_cmp(ientry, entry)) { + + mem_heap_free(heap); + + return(TRUE); + } + } + + version = prev_version; + } +} + +/*****************************************************************//** +Constructs the version of a clustered index record which a consistent +read should see. We assume that the trx id stored in rec is such that +the consistent read should not see rec in its present version. +@return DB_SUCCESS or DB_MISSING_HISTORY */ +UNIV_INTERN +ulint +row_vers_build_for_consistent_read( +/*===============================*/ + const rec_t* rec, /*!< in: record in a clustered index; the + caller must have a latch on the page; this + latch locks the top of the stack of versions + of this records */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by + rec_get_offsets(rec, index) */ + read_view_t* view, /*!< in: the consistent read view */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which + the offsets are allocated */ + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for + *old_vers is allocated; memory for possible + intermediate versions is allocated and freed + locally within the function */ + rec_t** old_vers)/*!< out, own: old version, or NULL if the + record does not exist in the view, that is, + it was freshly inserted afterwards */ +{ + const rec_t* version; + rec_t* prev_version; + trx_id_t trx_id; + mem_heap_t* heap = NULL; + byte* buf; + ulint err; + + ut_ad(dict_index_is_clust(index)); + ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) + || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + ut_ad(rec_offs_validate(rec, index, *offsets)); + + trx_id = row_get_rec_trx_id(rec, index, *offsets); + + ut_ad(!read_view_sees_trx_id(view, trx_id)); + + rw_lock_s_lock(&(purge_sys->latch)); + version = rec; + + for (;;) { + mem_heap_t* heap2 = heap; + trx_undo_rec_t* undo_rec; + roll_ptr_t roll_ptr; + undo_no_t undo_no; + heap = mem_heap_create(1024); + + /* If we have high-granularity consistent read view and + creating transaction of the view is the same as trx_id in + the record we see this record only in the case when + undo_no of the record is < undo_no in the view. */ + + if (view->type == VIEW_HIGH_GRANULARITY + && ut_dulint_cmp(view->creator_trx_id, trx_id) == 0) { + + roll_ptr = row_get_rec_roll_ptr(version, index, + *offsets); + undo_rec = trx_undo_get_undo_rec_low(roll_ptr, heap); + undo_no = trx_undo_rec_get_undo_no(undo_rec); + mem_heap_empty(heap); + + if (ut_dulint_cmp(view->undo_no, undo_no) > 0) { + /* The view already sees this version: we can + copy it to in_heap and return */ + + buf = mem_heap_alloc(in_heap, + rec_offs_size(*offsets)); + *old_vers = rec_copy(buf, version, *offsets); + rec_offs_make_valid(*old_vers, index, + *offsets); + err = DB_SUCCESS; + + break; + } + } + + err = trx_undo_prev_version_build(rec, mtr, version, index, + *offsets, heap, + &prev_version); + if (heap2) { + mem_heap_free(heap2); /* free version */ + } + + if (err != DB_SUCCESS) { + break; + } + + if (prev_version == NULL) { + /* It was a freshly inserted version */ + *old_vers = NULL; + err = DB_SUCCESS; + + break; + } + + *offsets = rec_get_offsets(prev_version, index, *offsets, + ULINT_UNDEFINED, offset_heap); + + trx_id = row_get_rec_trx_id(prev_version, index, *offsets); + + if (read_view_sees_trx_id(view, trx_id)) { + + /* The view already sees this version: we can copy + it to in_heap and return */ + + buf = mem_heap_alloc(in_heap, rec_offs_size(*offsets)); + *old_vers = rec_copy(buf, prev_version, *offsets); + rec_offs_make_valid(*old_vers, index, *offsets); + err = DB_SUCCESS; + + break; + } + + version = prev_version; + }/* for (;;) */ + + mem_heap_free(heap); + rw_lock_s_unlock(&(purge_sys->latch)); + + return(err); +} + +/*****************************************************************//** +Constructs the last committed version of a clustered index record, +which should be seen by a semi-consistent read. +@return DB_SUCCESS or DB_MISSING_HISTORY */ +UNIV_INTERN +ulint +row_vers_build_for_semi_consistent_read( +/*====================================*/ + const rec_t* rec, /*!< in: record in a clustered index; the + caller must have a latch on the page; this + latch locks the top of the stack of versions + of this records */ + mtr_t* mtr, /*!< in: mtr holding the latch on rec */ + dict_index_t* index, /*!< in: the clustered index */ + ulint** offsets,/*!< in/out: offsets returned by + rec_get_offsets(rec, index) */ + mem_heap_t** offset_heap,/*!< in/out: memory heap from which + the offsets are allocated */ + mem_heap_t* in_heap,/*!< in: memory heap from which the memory for + *old_vers is allocated; memory for possible + intermediate versions is allocated and freed + locally within the function */ + const rec_t** old_vers)/*!< out: rec, old version, or NULL if the + record does not exist in the view, that is, + it was freshly inserted afterwards */ +{ + const rec_t* version; + mem_heap_t* heap = NULL; + byte* buf; + ulint err; + trx_id_t rec_trx_id = ut_dulint_zero; + + ut_ad(dict_index_is_clust(index)); + ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) + || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + ut_ad(rec_offs_validate(rec, index, *offsets)); + + rw_lock_s_lock(&(purge_sys->latch)); + /* The S-latch on purge_sys prevents the purge view from + changing. Thus, if we have an uncommitted transaction at + this point, then purge cannot remove its undo log even if + the transaction could commit now. */ + + version = rec; + + for (;;) { + trx_t* version_trx; + mem_heap_t* heap2; + rec_t* prev_version; + trx_id_t version_trx_id; + + version_trx_id = row_get_rec_trx_id(version, index, *offsets); + if (rec == version) { + rec_trx_id = version_trx_id; + } + + mutex_enter(&kernel_mutex); + version_trx = trx_get_on_id(version_trx_id); + mutex_exit(&kernel_mutex); + + if (!version_trx + || version_trx->conc_state == TRX_NOT_STARTED + || version_trx->conc_state == TRX_COMMITTED_IN_MEMORY) { + + /* We found a version that belongs to a + committed transaction: return it. */ + + if (rec == version) { + *old_vers = rec; + err = DB_SUCCESS; + break; + } + + /* We assume that a rolled-back transaction stays in + TRX_ACTIVE state until all the changes have been + rolled back and the transaction is removed from + the global list of transactions. */ + + if (!ut_dulint_cmp(rec_trx_id, version_trx_id)) { + /* The transaction was committed while + we searched for earlier versions. + Return the current version as a + semi-consistent read. */ + + version = rec; + *offsets = rec_get_offsets(version, + index, *offsets, + ULINT_UNDEFINED, + offset_heap); + } + + buf = mem_heap_alloc(in_heap, rec_offs_size(*offsets)); + *old_vers = rec_copy(buf, version, *offsets); + rec_offs_make_valid(*old_vers, index, *offsets); + err = DB_SUCCESS; + + break; + } + + heap2 = heap; + heap = mem_heap_create(1024); + + err = trx_undo_prev_version_build(rec, mtr, version, index, + *offsets, heap, + &prev_version); + if (heap2) { + mem_heap_free(heap2); /* free version */ + } + + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + break; + } + + if (prev_version == NULL) { + /* It was a freshly inserted version */ + *old_vers = NULL; + err = DB_SUCCESS; + + break; + } + + version = prev_version; + *offsets = rec_get_offsets(version, index, *offsets, + ULINT_UNDEFINED, offset_heap); + }/* for (;;) */ + + if (heap) { + mem_heap_free(heap); + } + rw_lock_s_unlock(&(purge_sys->latch)); + + return(err); +} diff --git a/perfschema/scripts/export.sh b/perfschema/scripts/export.sh new file mode 100755 index 00000000000..2a4355c1e43 --- /dev/null +++ b/perfschema/scripts/export.sh @@ -0,0 +1,74 @@ +#!/bin/bash +# +# export current working directory in a format suitable for sending to MySQL +# as a snapshot. also generates the actual snapshot and sends it to MySQL. + +set -eu + +die () { + echo $* + exit 1 +} + +if [ $# -ne 2 ] ; then + die "Usage: export.sh revision-number-of-last-snapshot current-revision-number" +fi + +# If we are run from within the scripts/ directory then change directory to +# one level up so that the relative paths work. +DIR=`basename $PWD` + +if [ "${DIR}" = "scripts" ]; then + cd .. +fi + +START_REV=$(($1 + 1)) +END_REV=$2 + +set +u +if test -z $EDITOR; then + die "\$EDITOR is not set" +fi +set -u + +rm -rf to-mysql +mkdir to-mysql{,/storage,/patches,/mysql-test{,/t,/r,/include}} +svn log -v -r "$START_REV:BASE" > to-mysql/log +svn export -q . to-mysql/storage/innobase + +REV=$START_REV +while [ $REV -le $END_REV ] +do + PATCH=to-mysql/patches/r$REV.patch + svn log -v -r$REV > $PATCH + if [ $(wc -c < $PATCH) -gt 73 ] + then + svn diff -r$(($REV-1)):$REV >> $PATCH + else + rm $PATCH + fi + REV=$(($REV + 1)) +done + +cd to-mysql/storage/innobase + +mv mysql-test/*.test mysql-test/*.opt ../../mysql-test/t +mv mysql-test/*.result ../../mysql-test/r +mv mysql-test/*.inc ../../mysql-test/include +rmdir mysql-test + +rm setup.sh export.sh revert_gen.sh compile-innodb-debug compile-innodb + +cd ../.. +$EDITOR log +cd .. + +fname="innodb-5.1-ss$2.tar.gz" + +rm -f $fname +tar czf $fname to-mysql +scp $fname mysql:snapshots +rm $fname +rm -rf to-mysql + +echo "Sent $fname to MySQL" diff --git a/perfschema/scripts/install_innodb_plugins.sql b/perfschema/scripts/install_innodb_plugins.sql new file mode 100644 index 00000000000..3fdb8f11e22 --- /dev/null +++ b/perfschema/scripts/install_innodb_plugins.sql @@ -0,0 +1,9 @@ +-- execute these to install InnoDB if it is built as a dynamic plugin +INSTALL PLUGIN innodb SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.so'; +INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.so'; diff --git a/perfschema/scripts/install_innodb_plugins_win.sql b/perfschema/scripts/install_innodb_plugins_win.sql new file mode 100644 index 00000000000..8c94b4e240d --- /dev/null +++ b/perfschema/scripts/install_innodb_plugins_win.sql @@ -0,0 +1,9 @@ +-- execute these to install InnoDB if it is built as a dynamic plugin +INSTALL PLUGIN innodb SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.dll'; +INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.dll'; diff --git a/perfschema/setup.sh b/perfschema/setup.sh new file mode 100755 index 00000000000..23fe729a406 --- /dev/null +++ b/perfschema/setup.sh @@ -0,0 +1,47 @@ +#!/bin/sh +# +# Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, write to the Free Software Foundation, Inc., 59 Temple +# Place, Suite 330, Boston, MA 02111-1307 USA +# +# Prepare the MySQL source code tree for building +# with checked-out InnoDB Subversion directory. + +# This script assumes that the current directory is storage/innobase. + +set -eu + +TARGETDIR=../storage/innobase + +# link the build scripts +BUILDSCRIPTS="compile-innodb compile-innodb-debug" +for script in $BUILDSCRIPTS ; do + ln -sf $TARGETDIR/$script ../../BUILD/ +done + +cd ../../mysql-test/t +ln -sf ../$TARGETDIR/mysql-test/*.test ../$TARGETDIR/mysql-test/*.opt . +cd ../r +ln -sf ../$TARGETDIR/mysql-test/*.result . +cd ../include +ln -sf ../$TARGETDIR/mysql-test/*.inc . + +# Apply any patches that are needed to make the mysql-test suite successful. +# These patches are usually needed because of deviations of behavior between +# the stock InnoDB and the InnoDB Plugin. +cd ../.. +for patch in storage/innobase/mysql-test/patches/*.diff ; do + if [ "${patch}" != "storage/innobase/mysql-test/patches/*.diff" ] ; then + patch -p0 < ${patch} + fi +done diff --git a/perfschema/srv/srv0que.c b/perfschema/srv/srv0que.c new file mode 100644 index 00000000000..fc50a86a55c --- /dev/null +++ b/perfschema/srv/srv0que.c @@ -0,0 +1,49 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file srv/srv0que.c +Server query execution + +Created 6/5/1996 Heikki Tuuri +*******************************************************/ + +#include "srv0que.h" + +#include "srv0srv.h" +#include "sync0sync.h" +#include "os0thread.h" +#include "usr0sess.h" +#include "que0que.h" + +/**********************************************************************//** +Enqueues a task to server task queue and releases a worker thread, if there +is a suspended one. */ +UNIV_INTERN +void +srv_que_task_enqueue_low( +/*=====================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ut_ad(thr); + ut_ad(mutex_own(&kernel_mutex)); + + UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); + + srv_release_threads(SRV_WORKER, 1); +} diff --git a/perfschema/srv/srv0srv.c b/perfschema/srv/srv0srv.c new file mode 100644 index 00000000000..8b0f3788884 --- /dev/null +++ b/perfschema/srv/srv0srv.c @@ -0,0 +1,2839 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, 2009 Google Inc. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file srv/srv0srv.c +The database server main program + +NOTE: SQL Server 7 uses something which the documentation +calls user mode scheduled threads (UMS threads). One such +thread is usually allocated per processor. Win32 +documentation does not know any UMS threads, which suggests +that the concept is internal to SQL Server 7. It may mean that +SQL Server 7 does all the scheduling of threads itself, even +in i/o waits. We should maybe modify InnoDB to use the same +technique, because thread switches within NT may be too slow. + +SQL Server 7 also mentions fibers, which are cooperatively +scheduled threads. They can boost performance by 5 %, +according to the Delaney and Soukup's book. + +Windows 2000 will have something called thread pooling +(see msdn website), which we could possibly use. + +Another possibility could be to use some very fast user space +thread library. This might confuse NT though. + +Created 10/8/1995 Heikki Tuuri +*******************************************************/ + +/* Dummy comment */ +#include "srv0srv.h" + +#include "ut0mem.h" +#include "ut0ut.h" +#include "os0proc.h" +#include "mem0mem.h" +#include "mem0pool.h" +#include "sync0sync.h" +#include "thr0loc.h" +#include "que0que.h" +#include "srv0que.h" +#include "log0recv.h" +#include "pars0pars.h" +#include "usr0sess.h" +#include "lock0lock.h" +#include "trx0purge.h" +#include "ibuf0ibuf.h" +#include "buf0flu.h" +#include "buf0lru.h" +#include "btr0sea.h" +#include "dict0load.h" +#include "dict0boot.h" +#include "srv0start.h" +#include "row0mysql.h" +#include "ha_prototypes.h" +#include "trx0i_s.h" +#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ + +/* This is set to TRUE if the MySQL user has set it in MySQL; currently +affects only FOREIGN KEY definition parsing */ +UNIV_INTERN ibool srv_lower_case_table_names = FALSE; + +/* The following counter is incremented whenever there is some user activity +in the server */ +UNIV_INTERN ulint srv_activity_count = 0; + +/* The following is the maximum allowed duration of a lock wait. */ +UNIV_INTERN ulint srv_fatal_semaphore_wait_threshold = 600; + +/* How much data manipulation language (DML) statements need to be delayed, +in microseconds, in order to reduce the lagging of the purge thread. */ +UNIV_INTERN ulint srv_dml_needed_delay = 0; + +UNIV_INTERN ibool srv_lock_timeout_active = FALSE; +UNIV_INTERN ibool srv_monitor_active = FALSE; +UNIV_INTERN ibool srv_error_monitor_active = FALSE; + +UNIV_INTERN const char* srv_main_thread_op_info = ""; + +/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ +UNIV_INTERN const char srv_mysql50_table_name_prefix[9] = "#mysql50#"; + +/* Server parameters which are read from the initfile */ + +/* The following three are dir paths which are catenated before file +names, where the file name itself may also contain a path */ + +UNIV_INTERN char* srv_data_home = NULL; +#ifdef UNIV_LOG_ARCHIVE +UNIV_INTERN char* srv_arch_dir = NULL; +#endif /* UNIV_LOG_ARCHIVE */ + +/** store to its own file each table created by an user; data +dictionary tables are in the system tablespace 0 */ +UNIV_INTERN my_bool srv_file_per_table; +/** The file format to use on new *.ibd files. */ +UNIV_INTERN ulint srv_file_format = 0; +/** Whether to check file format during startup. A value of +DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to +set it to the highest format we support. */ +UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; + +#if DICT_TF_FORMAT_51 +# error "DICT_TF_FORMAT_51 must be 0!" +#endif +/** Place locks to records only i.e. do not use next-key locking except +on duplicate key checking and foreign key checking */ +UNIV_INTERN ibool srv_locks_unsafe_for_binlog = FALSE; + +/* If this flag is TRUE, then we will use the native aio of the +OS (provided we compiled Innobase with it in), otherwise we will +use simulated aio we build below with threads. +Currently we support native aio on windows and linux */ +UNIV_INTERN my_bool srv_use_native_aio = TRUE; + +UNIV_INTERN ulint srv_n_data_files = 0; +UNIV_INTERN char** srv_data_file_names = NULL; +/* size in database pages */ +UNIV_INTERN ulint* srv_data_file_sizes = NULL; + +/* if TRUE, then we auto-extend the last data file */ +UNIV_INTERN ibool srv_auto_extend_last_data_file = FALSE; +/* if != 0, this tells the max size auto-extending may increase the +last data file size */ +UNIV_INTERN ulint srv_last_file_size_max = 0; +/* If the last data file is auto-extended, we add this +many pages to it at a time */ +UNIV_INTERN ulong srv_auto_extend_increment = 8; +UNIV_INTERN ulint* srv_data_file_is_raw_partition = NULL; + +/* If the following is TRUE we do not allow inserts etc. This protects +the user from forgetting the 'newraw' keyword to my.cnf */ + +UNIV_INTERN ibool srv_created_new_raw = FALSE; + +UNIV_INTERN char** srv_log_group_home_dirs = NULL; + +UNIV_INTERN ulint srv_n_log_groups = ULINT_MAX; +UNIV_INTERN ulint srv_n_log_files = ULINT_MAX; +/* size in database pages */ +UNIV_INTERN ulint srv_log_file_size = ULINT_MAX; +/* size in database pages */ +UNIV_INTERN ulint srv_log_buffer_size = ULINT_MAX; +UNIV_INTERN ulong srv_flush_log_at_trx_commit = 1; + +/* Try to flush dirty pages so as to avoid IO bursts at +the checkpoints. */ +UNIV_INTERN char srv_adaptive_flushing = TRUE; + +/** Maximum number of times allowed to conditionally acquire +mutex before switching to blocking wait on the mutex */ +#define MAX_MUTEX_NOWAIT 20 + +/** Check whether the number of failed nonblocking mutex +acquisition attempts exceeds maximum allowed value. If so, +srv_printf_innodb_monitor() will request mutex acquisition +with mutex_enter(), which will wait until it gets the mutex. */ +#define MUTEX_NOWAIT(mutex_skipped) ((mutex_skipped) < MAX_MUTEX_NOWAIT) + +/** The sort order table of the MySQL latin1_swedish_ci character set +collation */ +UNIV_INTERN const byte* srv_latin1_ordering; + +/* use os/external memory allocator */ +UNIV_INTERN my_bool srv_use_sys_malloc = TRUE; +/* requested size in kilobytes */ +UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; +/* previously requested size */ +UNIV_INTERN ulint srv_buf_pool_old_size; +/* current size in kilobytes */ +UNIV_INTERN ulint srv_buf_pool_curr_size = 0; +/* size in bytes */ +UNIV_INTERN ulint srv_mem_pool_size = ULINT_MAX; +UNIV_INTERN ulint srv_lock_table_size = ULINT_MAX; + +/* This parameter is deprecated. Use srv_n_io_[read|write]_threads +instead. */ +UNIV_INTERN ulint srv_n_file_io_threads = ULINT_MAX; +UNIV_INTERN ulint srv_n_read_io_threads = ULINT_MAX; +UNIV_INTERN ulint srv_n_write_io_threads = ULINT_MAX; + +/* User settable value of the number of pages that must be present +in the buffer cache and accessed sequentially for InnoDB to trigger a +readahead request. */ +UNIV_INTERN ulong srv_read_ahead_threshold = 56; + +#ifdef UNIV_LOG_ARCHIVE +UNIV_INTERN ibool srv_log_archive_on = FALSE; +UNIV_INTERN ibool srv_archive_recovery = 0; +UNIV_INTERN ib_uint64_t srv_archive_recovery_limit_lsn; +#endif /* UNIV_LOG_ARCHIVE */ + +/* This parameter is used to throttle the number of insert buffers that are +merged in a batch. By increasing this parameter on a faster disk you can +possibly reduce the number of I/O operations performed to complete the +merge operation. The value of this parameter is used as is by the +background loop when the system is idle (low load), on a busy system +the parameter is scaled down by a factor of 4, this is to avoid putting +a heavier load on the I/O sub system. */ + +UNIV_INTERN ulong srv_insert_buffer_batch_size = 20; + +UNIV_INTERN char* srv_file_flush_method_str = NULL; +UNIV_INTERN ulint srv_unix_file_flush_method = SRV_UNIX_FSYNC; +UNIV_INTERN ulint srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; + +UNIV_INTERN ulint srv_max_n_open_files = 300; + +/* Number of IO operations per second the server can do */ +UNIV_INTERN ulong srv_io_capacity = 200; + +/* The InnoDB main thread tries to keep the ratio of modified pages +in the buffer pool to all database pages in the buffer pool smaller than +the following number. But it is not guaranteed that the value stays below +that during a time of heavy update/insert activity. */ + +UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 75; + +/* variable counts amount of data read in total (in bytes) */ +UNIV_INTERN ulint srv_data_read = 0; + +/* here we count the amount of data written in total (in bytes) */ +UNIV_INTERN ulint srv_data_written = 0; + +/* the number of the log write requests done */ +UNIV_INTERN ulint srv_log_write_requests = 0; + +/* the number of physical writes to the log performed */ +UNIV_INTERN ulint srv_log_writes = 0; + +/* amount of data written to the log files in bytes */ +UNIV_INTERN ulint srv_os_log_written = 0; + +/* amount of writes being done to the log files */ +UNIV_INTERN ulint srv_os_log_pending_writes = 0; + +/* we increase this counter, when there we don't have enough space in the +log buffer and have to flush it */ +UNIV_INTERN ulint srv_log_waits = 0; + +/* this variable counts the amount of times, when the doublewrite buffer +was flushed */ +UNIV_INTERN ulint srv_dblwr_writes = 0; + +/* here we store the number of pages that have been flushed to the +doublewrite buffer */ +UNIV_INTERN ulint srv_dblwr_pages_written = 0; + +/* in this variable we store the number of write requests issued */ +UNIV_INTERN ulint srv_buf_pool_write_requests = 0; + +/* here we store the number of times when we had to wait for a free page +in the buffer pool. It happens when the buffer pool is full and we need +to make a flush, in order to be able to read or create a page. */ +UNIV_INTERN ulint srv_buf_pool_wait_free = 0; + +/* variable to count the number of pages that were written from buffer +pool to the disk */ +UNIV_INTERN ulint srv_buf_pool_flushed = 0; + +/** Number of buffer pool reads that led to the +reading of a disk page */ +UNIV_INTERN ulint srv_buf_pool_reads = 0; + +/* structure to pass status variables to MySQL */ +UNIV_INTERN export_struc export_vars; + +/* If the following is != 0 we do not allow inserts etc. This protects +the user from forgetting the innodb_force_recovery keyword to my.cnf */ + +UNIV_INTERN ulint srv_force_recovery = 0; +/*-----------------------*/ +/* We are prepared for a situation that we have this many threads waiting for +a semaphore inside InnoDB. innobase_start_or_create_for_mysql() sets the +value. */ + +UNIV_INTERN ulint srv_max_n_threads = 0; + +/* The following controls how many threads we let inside InnoDB concurrently: +threads waiting for locks are not counted into the number because otherwise +we could get a deadlock. MySQL creates a thread for each user session, and +semaphore contention and convoy problems can occur withput this restriction. +Value 10 should be good if there are less than 4 processors + 4 disks in the +computer. Bigger computers need bigger values. Value 0 will disable the +concurrency check. */ + +UNIV_INTERN ulong srv_thread_concurrency = 0; + +/* this mutex protects srv_conc data structures */ +UNIV_INTERN os_fast_mutex_t srv_conc_mutex; +/* number of transactions that have declared_to_be_inside_innodb set. +It used to be a non-error for this value to drop below zero temporarily. +This is no longer true. We'll, however, keep the lint datatype to add +assertions to catch any corner cases that we may have missed. */ +UNIV_INTERN lint srv_conc_n_threads = 0; +/* number of OS threads waiting in the FIFO for a permission to enter +InnoDB */ +UNIV_INTERN ulint srv_conc_n_waiting_threads = 0; + +typedef struct srv_conc_slot_struct srv_conc_slot_t; +struct srv_conc_slot_struct{ + os_event_t event; /*!< event to wait */ + ibool reserved; /*!< TRUE if slot + reserved */ + ibool wait_ended; /*!< TRUE when another + thread has already set + the event and the + thread in this slot is + free to proceed; but + reserved may still be + TRUE at that point */ + UT_LIST_NODE_T(srv_conc_slot_t) srv_conc_queue; /*!< queue node */ +}; + +/* queue of threads waiting to get in */ +UNIV_INTERN UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; +/* array of wait slots */ +UNIV_INTERN srv_conc_slot_t* srv_conc_slots; + +/* Number of times a thread is allowed to enter InnoDB within the same +SQL query after it has once got the ticket at srv_conc_enter_innodb */ +#define SRV_FREE_TICKETS_TO_ENTER srv_n_free_tickets_to_enter +#define SRV_THREAD_SLEEP_DELAY srv_thread_sleep_delay +/*-----------------------*/ +/* If the following is set to 1 then we do not run purge and insert buffer +merge to completion before shutdown. If it is set to 2, do not even flush the +buffer pool to data files at the shutdown: we effectively 'crash' +InnoDB (but lose no committed transactions). */ +UNIV_INTERN ulint srv_fast_shutdown = 0; + +/* Generate a innodb_status. file */ +UNIV_INTERN ibool srv_innodb_status = FALSE; + +/* When estimating number of different key values in an index, sample +this many index pages */ +UNIV_INTERN unsigned long long srv_stats_sample_pages = 8; + +UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; +UNIV_INTERN ibool srv_use_checksums = TRUE; + +UNIV_INTERN ulong srv_replication_delay = 0; + +/*-------------------------------------------*/ +UNIV_INTERN ulong srv_n_spin_wait_rounds = 30; +UNIV_INTERN ulong srv_n_free_tickets_to_enter = 500; +UNIV_INTERN ulong srv_thread_sleep_delay = 10000; +UNIV_INTERN ulong srv_spin_wait_delay = 6; +UNIV_INTERN ibool srv_priority_boost = TRUE; + +#ifdef UNIV_DEBUG +UNIV_INTERN ibool srv_print_thread_releases = FALSE; +UNIV_INTERN ibool srv_print_lock_waits = FALSE; +UNIV_INTERN ibool srv_print_buf_io = FALSE; +UNIV_INTERN ibool srv_print_log_io = FALSE; +UNIV_INTERN ibool srv_print_latch_waits = FALSE; +#endif /* UNIV_DEBUG */ + +UNIV_INTERN ulint srv_n_rows_inserted = 0; +UNIV_INTERN ulint srv_n_rows_updated = 0; +UNIV_INTERN ulint srv_n_rows_deleted = 0; +UNIV_INTERN ulint srv_n_rows_read = 0; + +static ulint srv_n_rows_inserted_old = 0; +static ulint srv_n_rows_updated_old = 0; +static ulint srv_n_rows_deleted_old = 0; +static ulint srv_n_rows_read_old = 0; + +UNIV_INTERN ulint srv_n_lock_wait_count = 0; +UNIV_INTERN ulint srv_n_lock_wait_current_count = 0; +UNIV_INTERN ib_int64_t srv_n_lock_wait_time = 0; +UNIV_INTERN ulint srv_n_lock_max_wait_time = 0; + + +/* + Set the following to 0 if you want InnoDB to write messages on + stderr on startup/shutdown +*/ +UNIV_INTERN ibool srv_print_verbose_log = TRUE; +UNIV_INTERN ibool srv_print_innodb_monitor = FALSE; +UNIV_INTERN ibool srv_print_innodb_lock_monitor = FALSE; +UNIV_INTERN ibool srv_print_innodb_tablespace_monitor = FALSE; +UNIV_INTERN ibool srv_print_innodb_table_monitor = FALSE; + +/* Array of English strings describing the current state of an +i/o handler thread */ + +UNIV_INTERN const char* srv_io_thread_op_info[SRV_MAX_N_IO_THREADS]; +UNIV_INTERN const char* srv_io_thread_function[SRV_MAX_N_IO_THREADS]; + +UNIV_INTERN time_t srv_last_monitor_time; + +UNIV_INTERN mutex_t srv_innodb_monitor_mutex; + +/* Mutex for locking srv_monitor_file */ +UNIV_INTERN mutex_t srv_monitor_file_mutex; +/* Temporary file for innodb monitor output */ +UNIV_INTERN FILE* srv_monitor_file; +/* Mutex for locking srv_dict_tmpfile. +This mutex has a very high rank; threads reserving it should not +be holding any InnoDB latches. */ +UNIV_INTERN mutex_t srv_dict_tmpfile_mutex; +/* Temporary file for output from the data dictionary */ +UNIV_INTERN FILE* srv_dict_tmpfile; +/* Mutex for locking srv_misc_tmpfile. +This mutex has a very low rank; threads reserving it should not +acquire any further latches or sleep before releasing this one. */ +UNIV_INTERN mutex_t srv_misc_tmpfile_mutex; +/* Temporary file for miscellanous diagnostic output */ +UNIV_INTERN FILE* srv_misc_tmpfile; + +UNIV_INTERN ulint srv_main_thread_process_no = 0; +UNIV_INTERN ulint srv_main_thread_id = 0; + +/* The following count work done by srv_master_thread. */ + +/* Iterations by the 'once per second' loop. */ +static ulint srv_main_1_second_loops = 0; +/* Calls to sleep by the 'once per second' loop. */ +static ulint srv_main_sleeps = 0; +/* Iterations by the 'once per 10 seconds' loop. */ +static ulint srv_main_10_second_loops = 0; +/* Iterations of the loop bounded by the 'background_loop' label. */ +static ulint srv_main_background_loops = 0; +/* Iterations of the loop bounded by the 'flush_loop' label. */ +static ulint srv_main_flush_loops = 0; +/* Log writes involving flush. */ +static ulint srv_log_writes_and_flush = 0; + +/* This is only ever touched by the master thread. It records the +time when the last flush of log file has happened. The master +thread ensures that we flush the log files at least once per +second. */ +static time_t srv_last_log_flush_time; + +/* The master thread performs various tasks based on the current +state of IO activity and the level of IO utilization is past +intervals. Following macros define thresholds for these conditions. */ +#define SRV_PEND_IO_THRESHOLD (PCT_IO(3)) +#define SRV_RECENT_IO_ACTIVITY (PCT_IO(5)) +#define SRV_PAST_IO_ACTIVITY (PCT_IO(200)) + +/* + IMPLEMENTATION OF THE SERVER MAIN PROGRAM + ========================================= + +There is the following analogue between this database +server and an operating system kernel: + +DB concept equivalent OS concept +---------- --------------------- +transaction -- process; + +query thread -- thread; + +lock -- semaphore; + +transaction set to +the rollback state -- kill signal delivered to a process; + +kernel -- kernel; + +query thread execution: +(a) without kernel mutex +reserved -- process executing in user mode; +(b) with kernel mutex reserved + -- process executing in kernel mode; + +The server is controlled by a master thread which runs at +a priority higher than normal, that is, higher than user threads. +It sleeps most of the time, and wakes up, say, every 300 milliseconds, +to check whether there is anything happening in the server which +requires intervention of the master thread. Such situations may be, +for example, when flushing of dirty blocks is needed in the buffer +pool or old version of database rows have to be cleaned away. + +The threads which we call user threads serve the queries of +the clients and input from the console of the server. +They run at normal priority. The server may have several +communications endpoints. A dedicated set of user threads waits +at each of these endpoints ready to receive a client request. +Each request is taken by a single user thread, which then starts +processing and, when the result is ready, sends it to the client +and returns to wait at the same endpoint the thread started from. + +So, we do not have dedicated communication threads listening at +the endpoints and dealing the jobs to dedicated worker threads. +Our architecture saves one thread swithch per request, compared +to the solution with dedicated communication threads +which amounts to 15 microseconds on 100 MHz Pentium +running NT. If the client +is communicating over a network, this saving is negligible, but +if the client resides in the same machine, maybe in an SMP machine +on a different processor from the server thread, the saving +can be important as the threads can communicate over shared +memory with an overhead of a few microseconds. + +We may later implement a dedicated communication thread solution +for those endpoints which communicate over a network. + +Our solution with user threads has two problems: for each endpoint +there has to be a number of listening threads. If there are many +communication endpoints, it may be difficult to set the right number +of concurrent threads in the system, as many of the threads +may always be waiting at less busy endpoints. Another problem +is queuing of the messages, as the server internally does not +offer any queue for jobs. + +Another group of user threads is intended for splitting the +queries and processing them in parallel. Let us call these +parallel communication threads. These threads are waiting for +parallelized tasks, suspended on event semaphores. + +A single user thread waits for input from the console, +like a command to shut the database. + +Utility threads are a different group of threads which takes +care of the buffer pool flushing and other, mainly background +operations, in the server. +Some of these utility threads always run at a lower than normal +priority, so that they are always in background. Some of them +may dynamically boost their priority by the pri_adjust function, +even to higher than normal priority, if their task becomes urgent. +The running of utilities is controlled by high- and low-water marks +of urgency. The urgency may be measured by the number of dirty blocks +in the buffer pool, in the case of the flush thread, for example. +When the high-water mark is exceeded, an utility starts running, until +the urgency drops under the low-water mark. Then the utility thread +suspend itself to wait for an event. The master thread is +responsible of signaling this event when the utility thread is +again needed. + +For each individual type of utility, some threads always remain +at lower than normal priority. This is because pri_adjust is implemented +so that the threads at normal or higher priority control their +share of running time by calling sleep. Thus, if the load of the +system sudenly drops, these threads cannot necessarily utilize +the system fully. The background priority threads make up for this, +starting to run when the load drops. + +When there is no activity in the system, also the master thread +suspends itself to wait for an event making +the server totally silent. The responsibility to signal this +event is on the user thread which again receives a message +from a client. + +There is still one complication in our server design. If a +background utility thread obtains a resource (e.g., mutex) needed by a user +thread, and there is also some other user activity in the system, +the user thread may have to wait indefinitely long for the +resource, as the OS does not schedule a background thread if +there is some other runnable user thread. This problem is called +priority inversion in real-time programming. + +One solution to the priority inversion problem would be to +keep record of which thread owns which resource and +in the above case boost the priority of the background thread +so that it will be scheduled and it can release the resource. +This solution is called priority inheritance in real-time programming. +A drawback of this solution is that the overhead of acquiring a mutex +increases slightly, maybe 0.2 microseconds on a 100 MHz Pentium, because +the thread has to call os_thread_get_curr_id. +This may be compared to 0.5 microsecond overhead for a mutex lock-unlock +pair. Note that the thread +cannot store the information in the resource, say mutex, itself, +because competing threads could wipe out the information if it is +stored before acquiring the mutex, and if it stored afterwards, +the information is outdated for the time of one machine instruction, +at least. (To be precise, the information could be stored to +lock_word in mutex if the machine supports atomic swap.) + +The above solution with priority inheritance may become actual in the +future, but at the moment we plan to implement a more coarse solution, +which could be called a global priority inheritance. If a thread +has to wait for a long time, say 300 milliseconds, for a resource, +we just guess that it may be waiting for a resource owned by a background +thread, and boost the priority of all runnable background threads +to the normal level. The background threads then themselves adjust +their fixed priority back to background after releasing all resources +they had (or, at some fixed points in their program code). + +What is the performance of the global priority inheritance solution? +We may weigh the length of the wait time 300 milliseconds, during +which the system processes some other thread +to the cost of boosting the priority of each runnable background +thread, rescheduling it, and lowering the priority again. +On 100 MHz Pentium + NT this overhead may be of the order 100 +microseconds per thread. So, if the number of runnable background +threads is not very big, say < 100, the cost is tolerable. +Utility threads probably will access resources used by +user threads not very often, so collisions of user threads +to preempted utility threads should not happen very often. + +The thread table contains +information of the current status of each thread existing in the system, +and also the event semaphores used in suspending the master thread +and utility and parallel communication threads when they have nothing to do. +The thread table can be seen as an analogue to the process table +in a traditional Unix implementation. + +The thread table is also used in the global priority inheritance +scheme. This brings in one additional complication: threads accessing +the thread table must have at least normal fixed priority, +because the priority inheritance solution does not work if a background +thread is preempted while possessing the mutex protecting the thread table. +So, if a thread accesses the thread table, its priority has to be +boosted at least to normal. This priority requirement can be seen similar to +the privileged mode used when processing the kernel calls in traditional +Unix.*/ + +/* Thread slot in the thread table */ +struct srv_slot_struct{ + os_thread_id_t id; /*!< thread id */ + os_thread_t handle; /*!< thread handle */ + unsigned type:3; /*!< thread type: user, utility etc. */ + unsigned in_use:1; /*!< TRUE if this slot is in use */ + unsigned suspended:1; /*!< TRUE if the thread is waiting + for the event of this slot */ + ib_time_t suspend_time; /*!< time when the thread was + suspended */ + os_event_t event; /*!< event used in suspending the + thread when it has nothing to do */ + que_thr_t* thr; /*!< suspended query thread (only + used for MySQL threads) */ +}; + +/* Table for MySQL threads where they will be suspended to wait for locks */ +UNIV_INTERN srv_slot_t* srv_mysql_table = NULL; + +UNIV_INTERN os_event_t srv_lock_timeout_thread_event; + +UNIV_INTERN srv_sys_t* srv_sys = NULL; + +/* padding to prevent other memory update hotspots from residing on +the same memory cache line */ +UNIV_INTERN byte srv_pad1[64]; +/* mutex protecting the server, trx structs, query threads, and lock table */ +UNIV_INTERN mutex_t* kernel_mutex_temp; +/* padding to prevent other memory update hotspots from residing on +the same memory cache line */ +UNIV_INTERN byte srv_pad2[64]; + +#if 0 +/* The following three values measure the urgency of the jobs of +buffer, version, and insert threads. They may vary from 0 - 1000. +The server mutex protects all these variables. The low-water values +tell that the server can acquiesce the utility when the value +drops below this low-water mark. */ + +static ulint srv_meter[SRV_MASTER + 1]; +static ulint srv_meter_low_water[SRV_MASTER + 1]; +static ulint srv_meter_high_water[SRV_MASTER + 1]; +static ulint srv_meter_high_water2[SRV_MASTER + 1]; +static ulint srv_meter_foreground[SRV_MASTER + 1]; +#endif + +/* The following values give info about the activity going on in +the database. They are protected by the server mutex. The arrays +are indexed by the type of the thread. */ + +UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; +UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; + +/*********************************************************************** +Prints counters for work done by srv_master_thread. */ +static +void +srv_print_master_thread_info( +/*=========================*/ + FILE *file) /* in: output stream */ +{ + fprintf(file, "srv_master_thread loops: %lu 1_second, %lu sleeps, " + "%lu 10_second, %lu background, %lu flush\n", + srv_main_1_second_loops, srv_main_sleeps, + srv_main_10_second_loops, srv_main_background_loops, + srv_main_flush_loops); + fprintf(file, "srv_master_thread log flush and writes: %lu\n", + srv_log_writes_and_flush); +} + +/*********************************************************************//** +Sets the info describing an i/o thread current state. */ +UNIV_INTERN +void +srv_set_io_thread_op_info( +/*======================*/ + ulint i, /*!< in: the 'segment' of the i/o thread */ + const char* str) /*!< in: constant char string describing the + state */ +{ + ut_a(i < SRV_MAX_N_IO_THREADS); + + srv_io_thread_op_info[i] = str; +} + +/*********************************************************************//** +Accessor function to get pointer to n'th slot in the server thread +table. +@return pointer to the slot */ +static +srv_slot_t* +srv_table_get_nth_slot( +/*===================*/ + ulint index) /*!< in: index of the slot */ +{ + ut_a(index < OS_THREAD_MAX_N); + + return(srv_sys->threads + index); +} + +/*********************************************************************//** +Gets the number of threads in the system. +@return sum of srv_n_threads[] */ +UNIV_INTERN +ulint +srv_get_n_threads(void) +/*===================*/ +{ + ulint i; + ulint n_threads = 0; + + mutex_enter(&kernel_mutex); + + for (i = SRV_COM; i < SRV_MASTER + 1; i++) { + + n_threads += srv_n_threads[i]; + } + + mutex_exit(&kernel_mutex); + + return(n_threads); +} + +/*********************************************************************//** +Reserves a slot in the thread table for the current thread. Also creates the +thread local storage struct for the current thread. NOTE! The server mutex +has to be reserved by the caller! +@return reserved slot index */ +static +ulint +srv_table_reserve_slot( +/*===================*/ + enum srv_thread_type type) /*!< in: type of the thread */ +{ + srv_slot_t* slot; + ulint i; + + ut_a(type > 0); + ut_a(type <= SRV_MASTER); + + i = 0; + slot = srv_table_get_nth_slot(i); + + while (slot->in_use) { + i++; + slot = srv_table_get_nth_slot(i); + } + + ut_a(slot->in_use == FALSE); + + slot->in_use = TRUE; + slot->suspended = FALSE; + slot->type = type; + slot->id = os_thread_get_curr_id(); + slot->handle = os_thread_get_curr(); + + thr_local_create(); + + thr_local_set_slot_no(os_thread_get_curr_id(), i); + + return(i); +} + +/*********************************************************************//** +Suspends the calling thread to wait for the event in its thread slot. +NOTE! The server mutex has to be reserved by the caller! +@return event for the calling thread to wait */ +static +os_event_t +srv_suspend_thread(void) +/*====================*/ +{ + srv_slot_t* slot; + os_event_t event; + ulint slot_no; + enum srv_thread_type type; + + ut_ad(mutex_own(&kernel_mutex)); + + slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); + + if (srv_print_thread_releases) { + fprintf(stderr, + "Suspending thread %lu to slot %lu\n", + (ulong) os_thread_get_curr_id(), (ulong) slot_no); + } + + slot = srv_table_get_nth_slot(slot_no); + + type = slot->type; + + ut_ad(type >= SRV_WORKER); + ut_ad(type <= SRV_MASTER); + + event = slot->event; + + slot->suspended = TRUE; + + ut_ad(srv_n_threads_active[type] > 0); + + srv_n_threads_active[type]--; + + os_event_reset(event); + + return(event); +} + +/*********************************************************************//** +Releases threads of the type given from suspension in the thread table. +NOTE! The server mutex has to be reserved by the caller! +@return number of threads released: this may be less than n if not +enough threads were suspended at the moment */ +UNIV_INTERN +ulint +srv_release_threads( +/*================*/ + enum srv_thread_type type, /*!< in: thread type */ + ulint n) /*!< in: number of threads to release */ +{ + srv_slot_t* slot; + ulint i; + ulint count = 0; + + ut_ad(type >= SRV_WORKER); + ut_ad(type <= SRV_MASTER); + ut_ad(n > 0); + ut_ad(mutex_own(&kernel_mutex)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_table_get_nth_slot(i); + + if (slot->in_use && slot->type == type && slot->suspended) { + + slot->suspended = FALSE; + + srv_n_threads_active[type]++; + + os_event_set(slot->event); + + if (srv_print_thread_releases) { + fprintf(stderr, + "Releasing thread %lu type %lu" + " from slot %lu\n", + (ulong) slot->id, (ulong) type, + (ulong) i); + } + + count++; + + if (count == n) { + break; + } + } + } + + return(count); +} + +/*********************************************************************//** +Returns the calling thread type. +@return SRV_COM, ... */ +UNIV_INTERN +enum srv_thread_type +srv_get_thread_type(void) +/*=====================*/ +{ + ulint slot_no; + srv_slot_t* slot; + enum srv_thread_type type; + + mutex_enter(&kernel_mutex); + + slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); + + slot = srv_table_get_nth_slot(slot_no); + + type = slot->type; + + ut_ad(type >= SRV_WORKER); + ut_ad(type <= SRV_MASTER); + + mutex_exit(&kernel_mutex); + + return(type); +} + +/*********************************************************************//** +Initializes the server. */ +UNIV_INTERN +void +srv_init(void) +/*==========*/ +{ + srv_conc_slot_t* conc_slot; + srv_slot_t* slot; + ulint i; + + srv_sys = mem_alloc(sizeof(srv_sys_t)); + + kernel_mutex_temp = mem_alloc(sizeof(mutex_t)); + mutex_create(&kernel_mutex, SYNC_KERNEL); + + mutex_create(&srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); + + srv_sys->threads = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + slot = srv_table_get_nth_slot(i); + slot->in_use = FALSE; + slot->type=0; /* Avoid purify errors */ + slot->event = os_event_create(NULL); + ut_a(slot->event); + } + + srv_mysql_table = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + slot = srv_mysql_table + i; + slot->in_use = FALSE; + slot->type = 0; + slot->event = os_event_create(NULL); + ut_a(slot->event); + } + + srv_lock_timeout_thread_event = os_event_create(NULL); + + for (i = 0; i < SRV_MASTER + 1; i++) { + srv_n_threads_active[i] = 0; + srv_n_threads[i] = 0; +#if 0 + srv_meter[i] = 30; + srv_meter_low_water[i] = 50; + srv_meter_high_water[i] = 100; + srv_meter_high_water2[i] = 200; + srv_meter_foreground[i] = 250; +#endif + } + + UT_LIST_INIT(srv_sys->tasks); + + /* Create dummy indexes for infimum and supremum records */ + + dict_ind_init(); + + /* Init the server concurrency restriction data structures */ + + os_fast_mutex_init(&srv_conc_mutex); + + UT_LIST_INIT(srv_conc_queue); + + srv_conc_slots = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_conc_slot_t)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + conc_slot = srv_conc_slots + i; + conc_slot->reserved = FALSE; + conc_slot->event = os_event_create(NULL); + ut_a(conc_slot->event); + } + + /* Initialize some INFORMATION SCHEMA internal structures */ + trx_i_s_cache_init(trx_i_s_cache); +} + +/*********************************************************************//** +Frees the data structures created in srv_init(). */ +UNIV_INTERN +void +srv_free(void) +/*==========*/ +{ + os_fast_mutex_free(&srv_conc_mutex); + mem_free(srv_conc_slots); + srv_conc_slots = NULL; + + mem_free(srv_sys->threads); + mem_free(srv_sys); + srv_sys = NULL; + + mem_free(kernel_mutex_temp); + kernel_mutex_temp = NULL; + mem_free(srv_mysql_table); + srv_mysql_table = NULL; + + trx_i_s_cache_free(trx_i_s_cache); +} + +/*********************************************************************//** +Initializes the synchronization primitives, memory system, and the thread +local storage. */ +UNIV_INTERN +void +srv_general_init(void) +/*==================*/ +{ + ut_mem_init(); + /* Reset the system variables in the recovery module. */ + recv_sys_var_init(); + os_sync_init(); + sync_init(); + mem_init(srv_mem_pool_size); + thr_local_init(); +} + +/*======================= InnoDB Server FIFO queue =======================*/ + +/* Maximum allowable purge history length. <=0 means 'infinite'. */ +UNIV_INTERN ulong srv_max_purge_lag = 0; + +/*********************************************************************//** +Puts an OS thread to wait if there are too many concurrent threads +(>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ +UNIV_INTERN +void +srv_conc_enter_innodb( +/*==================*/ + trx_t* trx) /*!< in: transaction object associated with the + thread */ +{ + ibool has_slept = FALSE; + srv_conc_slot_t* slot = NULL; + ulint i; + + if (trx->mysql_thd != NULL + && thd_is_replication_slave_thread(trx->mysql_thd)) { + + UT_WAIT_FOR(srv_conc_n_threads + < (lint)srv_thread_concurrency, + srv_replication_delay * 1000); + + return; + } + + /* If trx has 'free tickets' to enter the engine left, then use one + such ticket */ + + if (trx->n_tickets_to_enter_innodb > 0) { + trx->n_tickets_to_enter_innodb--; + + return; + } + + os_fast_mutex_lock(&srv_conc_mutex); +retry: + if (trx->declared_to_be_inside_innodb) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: trying to declare trx" + " to enter InnoDB, but\n" + "InnoDB: it already is declared.\n", stderr); + trx_print(stderr, trx, 0); + putc('\n', stderr); + os_fast_mutex_unlock(&srv_conc_mutex); + + return; + } + + ut_ad(srv_conc_n_threads >= 0); + + if (srv_conc_n_threads < (lint)srv_thread_concurrency) { + + srv_conc_n_threads++; + trx->declared_to_be_inside_innodb = TRUE; + trx->n_tickets_to_enter_innodb = SRV_FREE_TICKETS_TO_ENTER; + + os_fast_mutex_unlock(&srv_conc_mutex); + + return; + } + + /* If the transaction is not holding resources, let it sleep + for SRV_THREAD_SLEEP_DELAY microseconds, and try again then */ + + if (!has_slept && !trx->has_search_latch + && NULL == UT_LIST_GET_FIRST(trx->trx_locks)) { + + has_slept = TRUE; /* We let it sleep only once to avoid + starvation */ + + srv_conc_n_waiting_threads++; + + os_fast_mutex_unlock(&srv_conc_mutex); + + trx->op_info = "sleeping before joining InnoDB queue"; + + /* Peter Zaitsev suggested that we take the sleep away + altogether. But the sleep may be good in pathological + situations of lots of thread switches. Simply put some + threads aside for a while to reduce the number of thread + switches. */ + if (SRV_THREAD_SLEEP_DELAY > 0) { + os_thread_sleep(SRV_THREAD_SLEEP_DELAY); + } + + trx->op_info = ""; + + os_fast_mutex_lock(&srv_conc_mutex); + + srv_conc_n_waiting_threads--; + + goto retry; + } + + /* Too many threads inside: put the current thread to a queue */ + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + slot = srv_conc_slots + i; + + if (!slot->reserved) { + + break; + } + } + + if (i == OS_THREAD_MAX_N) { + /* Could not find a free wait slot, we must let the + thread enter */ + + srv_conc_n_threads++; + trx->declared_to_be_inside_innodb = TRUE; + trx->n_tickets_to_enter_innodb = 0; + + os_fast_mutex_unlock(&srv_conc_mutex); + + return; + } + + /* Release possible search system latch this thread has */ + if (trx->has_search_latch) { + trx_search_latch_release_if_reserved(trx); + } + + /* Add to the queue */ + slot->reserved = TRUE; + slot->wait_ended = FALSE; + + UT_LIST_ADD_LAST(srv_conc_queue, srv_conc_queue, slot); + + os_event_reset(slot->event); + + srv_conc_n_waiting_threads++; + + os_fast_mutex_unlock(&srv_conc_mutex); + + /* Go to wait for the event; when a thread leaves InnoDB it will + release this thread */ + + trx->op_info = "waiting in InnoDB queue"; + + os_event_wait(slot->event); + + trx->op_info = ""; + + os_fast_mutex_lock(&srv_conc_mutex); + + srv_conc_n_waiting_threads--; + + /* NOTE that the thread which released this thread already + incremented the thread counter on behalf of this thread */ + + slot->reserved = FALSE; + + UT_LIST_REMOVE(srv_conc_queue, srv_conc_queue, slot); + + trx->declared_to_be_inside_innodb = TRUE; + trx->n_tickets_to_enter_innodb = SRV_FREE_TICKETS_TO_ENTER; + + os_fast_mutex_unlock(&srv_conc_mutex); +} + +/*********************************************************************//** +This lets a thread enter InnoDB regardless of the number of threads inside +InnoDB. This must be called when a thread ends a lock wait. */ +UNIV_INTERN +void +srv_conc_force_enter_innodb( +/*========================*/ + trx_t* trx) /*!< in: transaction object associated with the + thread */ +{ + if (UNIV_LIKELY(!srv_thread_concurrency)) { + + return; + } + + ut_ad(srv_conc_n_threads >= 0); + + os_fast_mutex_lock(&srv_conc_mutex); + + srv_conc_n_threads++; + trx->declared_to_be_inside_innodb = TRUE; + trx->n_tickets_to_enter_innodb = 1; + + os_fast_mutex_unlock(&srv_conc_mutex); +} + +/*********************************************************************//** +This must be called when a thread exits InnoDB in a lock wait or at the +end of an SQL statement. */ +UNIV_INTERN +void +srv_conc_force_exit_innodb( +/*=======================*/ + trx_t* trx) /*!< in: transaction object associated with the + thread */ +{ + srv_conc_slot_t* slot = NULL; + + if (trx->mysql_thd != NULL + && thd_is_replication_slave_thread(trx->mysql_thd)) { + + return; + } + + if (trx->declared_to_be_inside_innodb == FALSE) { + + return; + } + + os_fast_mutex_lock(&srv_conc_mutex); + + ut_ad(srv_conc_n_threads > 0); + srv_conc_n_threads--; + trx->declared_to_be_inside_innodb = FALSE; + trx->n_tickets_to_enter_innodb = 0; + + if (srv_conc_n_threads < (lint)srv_thread_concurrency) { + /* Look for a slot where a thread is waiting and no other + thread has yet released the thread */ + + slot = UT_LIST_GET_FIRST(srv_conc_queue); + + while (slot && slot->wait_ended == TRUE) { + slot = UT_LIST_GET_NEXT(srv_conc_queue, slot); + } + + if (slot != NULL) { + slot->wait_ended = TRUE; + + /* We increment the count on behalf of the released + thread */ + + srv_conc_n_threads++; + } + } + + os_fast_mutex_unlock(&srv_conc_mutex); + + if (slot != NULL) { + os_event_set(slot->event); + } +} + +/*********************************************************************//** +This must be called when a thread exits InnoDB. */ +UNIV_INTERN +void +srv_conc_exit_innodb( +/*=================*/ + trx_t* trx) /*!< in: transaction object associated with the + thread */ +{ + if (trx->n_tickets_to_enter_innodb > 0) { + /* We will pretend the thread is still inside InnoDB though it + now leaves the InnoDB engine. In this way we save + a lot of semaphore operations. srv_conc_force_exit_innodb is + used to declare the thread definitely outside InnoDB. It + should be called when there is a lock wait or an SQL statement + ends. */ + + return; + } + + srv_conc_force_exit_innodb(trx); +} + +/*========================================================================*/ + +/*********************************************************************//** +Normalizes init parameter values to use units we use inside InnoDB. +@return DB_SUCCESS or error code */ +static +ulint +srv_normalize_init_values(void) +/*===========================*/ +{ + ulint n; + ulint i; + + n = srv_n_data_files; + + for (i = 0; i < n; i++) { + srv_data_file_sizes[i] = srv_data_file_sizes[i] + * ((1024 * 1024) / UNIV_PAGE_SIZE); + } + + srv_last_file_size_max = srv_last_file_size_max + * ((1024 * 1024) / UNIV_PAGE_SIZE); + + srv_log_file_size = srv_log_file_size / UNIV_PAGE_SIZE; + + srv_log_buffer_size = srv_log_buffer_size / UNIV_PAGE_SIZE; + + srv_lock_table_size = 5 * (srv_buf_pool_size / UNIV_PAGE_SIZE); + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Boots the InnoDB server. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +srv_boot(void) +/*==========*/ +{ + ulint err; + + /* Transform the init parameter values given by MySQL to + use units we use inside InnoDB: */ + + err = srv_normalize_init_values(); + + if (err != DB_SUCCESS) { + return(err); + } + + /* Initialize synchronization primitives, memory management, and thread + local storage */ + + srv_general_init(); + + /* Initialize this module */ + + srv_init(); + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Reserves a slot in the thread table for the current MySQL OS thread. +NOTE! The kernel mutex has to be reserved by the caller! +@return reserved slot */ +static +srv_slot_t* +srv_table_reserve_slot_for_mysql(void) +/*==================================*/ +{ + srv_slot_t* slot; + ulint i; + + ut_ad(mutex_own(&kernel_mutex)); + + i = 0; + slot = srv_mysql_table + i; + + while (slot->in_use) { + i++; + + if (i >= OS_THREAD_MAX_N) { + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: There appear to be %lu MySQL" + " threads currently waiting\n" + "InnoDB: inside InnoDB, which is the" + " upper limit. Cannot continue operation.\n" + "InnoDB: We intentionally generate" + " a seg fault to print a stack trace\n" + "InnoDB: on Linux. But first we print" + " a list of waiting threads.\n", (ulong) i); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_mysql_table + i; + + fprintf(stderr, + "Slot %lu: thread id %lu, type %lu," + " in use %lu, susp %lu, time %lu\n", + (ulong) i, + (ulong) os_thread_pf(slot->id), + (ulong) slot->type, + (ulong) slot->in_use, + (ulong) slot->suspended, + (ulong) difftime(ut_time(), + slot->suspend_time)); + } + + ut_error; + } + + slot = srv_mysql_table + i; + } + + ut_a(slot->in_use == FALSE); + + slot->in_use = TRUE; + slot->id = os_thread_get_curr_id(); + slot->handle = os_thread_get_curr(); + + return(slot); +} + +/***************************************************************//** +Puts a MySQL OS thread to wait for a lock to be released. If an error +occurs during the wait trx->error_state associated with thr is +!= DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK +are possible errors. DB_DEADLOCK is returned if selective deadlock +resolution chose this transaction as a victim. */ +UNIV_INTERN +void +srv_suspend_mysql_thread( +/*=====================*/ + que_thr_t* thr) /*!< in: query thread associated with the MySQL + OS thread */ +{ + srv_slot_t* slot; + os_event_t event; + double wait_time; + trx_t* trx; + ulint had_dict_lock; + ibool was_declared_inside_innodb = FALSE; + ib_int64_t start_time = 0; + ib_int64_t finish_time; + ulint diff_time; + ulint sec; + ulint ms; + ulong lock_wait_timeout; + + ut_ad(!mutex_own(&kernel_mutex)); + + trx = thr_get_trx(thr); + + os_event_set(srv_lock_timeout_thread_event); + + mutex_enter(&kernel_mutex); + + trx->error_state = DB_SUCCESS; + + if (thr->state == QUE_THR_RUNNING) { + + ut_ad(thr->is_active == TRUE); + + /* The lock has already been released or this transaction + was chosen as a deadlock victim: no need to suspend */ + + if (trx->was_chosen_as_deadlock_victim) { + + trx->error_state = DB_DEADLOCK; + trx->was_chosen_as_deadlock_victim = FALSE; + } + + mutex_exit(&kernel_mutex); + + return; + } + + ut_ad(thr->is_active == FALSE); + + slot = srv_table_reserve_slot_for_mysql(); + + event = slot->event; + + slot->thr = thr; + + os_event_reset(event); + + slot->suspend_time = ut_time(); + + if (thr->lock_state == QUE_THR_LOCK_ROW) { + srv_n_lock_wait_count++; + srv_n_lock_wait_current_count++; + + if (ut_usectime(&sec, &ms) == -1) { + start_time = -1; + } else { + start_time = (ib_int64_t) sec * 1000000 + ms; + } + } + /* Wake the lock timeout monitor thread, if it is suspended */ + + os_event_set(srv_lock_timeout_thread_event); + + mutex_exit(&kernel_mutex); + + if (trx->declared_to_be_inside_innodb) { + + was_declared_inside_innodb = TRUE; + + /* We must declare this OS thread to exit InnoDB, since a + possible other thread holding a lock which this thread waits + for must be allowed to enter, sooner or later */ + + srv_conc_force_exit_innodb(trx); + } + + had_dict_lock = trx->dict_operation_lock_mode; + + switch (had_dict_lock) { + case RW_S_LATCH: + /* Release foreign key check latch */ + row_mysql_unfreeze_data_dictionary(trx); + break; + case RW_X_LATCH: + /* Release fast index creation latch */ + row_mysql_unlock_data_dictionary(trx); + break; + } + + ut_a(trx->dict_operation_lock_mode == 0); + + /* Suspend this thread and wait for the event. */ + + os_event_wait(event); + + /* After resuming, reacquire the data dictionary latch if + necessary. */ + + switch (had_dict_lock) { + case RW_S_LATCH: + row_mysql_freeze_data_dictionary(trx); + break; + case RW_X_LATCH: + row_mysql_lock_data_dictionary(trx); + break; + } + + if (was_declared_inside_innodb) { + + /* Return back inside InnoDB */ + + srv_conc_force_enter_innodb(trx); + } + + mutex_enter(&kernel_mutex); + + /* Release the slot for others to use */ + + slot->in_use = FALSE; + + wait_time = ut_difftime(ut_time(), slot->suspend_time); + + if (thr->lock_state == QUE_THR_LOCK_ROW) { + if (ut_usectime(&sec, &ms) == -1) { + finish_time = -1; + } else { + finish_time = (ib_int64_t) sec * 1000000 + ms; + } + + diff_time = (ulint) (finish_time - start_time); + + srv_n_lock_wait_current_count--; + srv_n_lock_wait_time = srv_n_lock_wait_time + diff_time; + if (diff_time > srv_n_lock_max_wait_time && + /* only update the variable if we successfully + retrieved the start and finish times. See Bug#36819. */ + start_time != -1 && finish_time != -1) { + srv_n_lock_max_wait_time = diff_time; + } + } + + if (trx->was_chosen_as_deadlock_victim) { + + trx->error_state = DB_DEADLOCK; + trx->was_chosen_as_deadlock_victim = FALSE; + } + + mutex_exit(&kernel_mutex); + + /* InnoDB system transactions (such as the purge, and + incomplete transactions that are being rolled back after crash + recovery) will use the global value of + innodb_lock_wait_timeout, because trx->mysql_thd == NULL. */ + lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); + + if (lock_wait_timeout < 100000000 + && wait_time > (double) lock_wait_timeout) { + + trx->error_state = DB_LOCK_WAIT_TIMEOUT; + } +} + +/********************************************************************//** +Releases a MySQL OS thread waiting for a lock to be released, if the +thread is already suspended. */ +UNIV_INTERN +void +srv_release_mysql_thread_if_suspended( +/*==================================*/ + que_thr_t* thr) /*!< in: query thread associated with the + MySQL OS thread */ +{ + srv_slot_t* slot; + ulint i; + + ut_ad(mutex_own(&kernel_mutex)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_mysql_table + i; + + if (slot->in_use && slot->thr == thr) { + /* Found */ + + os_event_set(slot->event); + + return; + } + } + + /* not found */ +} + +/******************************************************************//** +Refreshes the values used to calculate per-second averages. */ +static +void +srv_refresh_innodb_monitor_stats(void) +/*==================================*/ +{ + mutex_enter(&srv_innodb_monitor_mutex); + + srv_last_monitor_time = time(NULL); + + os_aio_refresh_stats(); + + btr_cur_n_sea_old = btr_cur_n_sea; + btr_cur_n_non_sea_old = btr_cur_n_non_sea; + + log_refresh_stats(); + + buf_refresh_io_stats(); + + srv_n_rows_inserted_old = srv_n_rows_inserted; + srv_n_rows_updated_old = srv_n_rows_updated; + srv_n_rows_deleted_old = srv_n_rows_deleted; + srv_n_rows_read_old = srv_n_rows_read; + + mutex_exit(&srv_innodb_monitor_mutex); +} + +/******************************************************************//** +Outputs to a file the output of the InnoDB Monitor. +@return FALSE if not all information printed +due to failure to obtain necessary mutex */ +UNIV_INTERN +ibool +srv_printf_innodb_monitor( +/*======================*/ + FILE* file, /*!< in: output stream */ + ibool nowait, /*!< in: whether to wait for kernel mutex */ + ulint* trx_start, /*!< out: file position of the start of + the list of active transactions */ + ulint* trx_end) /*!< out: file position of the end of + the list of active transactions */ +{ + double time_elapsed; + time_t current_time; + ulint n_reserved; + ibool ret; + + mutex_enter(&srv_innodb_monitor_mutex); + + current_time = time(NULL); + + /* We add 0.001 seconds to time_elapsed to prevent division + by zero if two users happen to call SHOW INNODB STATUS at the same + time */ + + time_elapsed = difftime(current_time, srv_last_monitor_time) + + 0.001; + + srv_last_monitor_time = time(NULL); + + fputs("\n=====================================\n", file); + + ut_print_timestamp(file); + fprintf(file, + " INNODB MONITOR OUTPUT\n" + "=====================================\n" + "Per second averages calculated from the last %lu seconds\n", + (ulong)time_elapsed); + + fputs("-----------------\n" + "BACKGROUND THREAD\n" + "-----------------\n", file); + srv_print_master_thread_info(file); + + fputs("----------\n" + "SEMAPHORES\n" + "----------\n", file); + sync_print(file); + + /* Conceptually, srv_innodb_monitor_mutex has a very high latching + order level in sync0sync.h, while dict_foreign_err_mutex has a very + low level 135. Therefore we can reserve the latter mutex here without + a danger of a deadlock of threads. */ + + mutex_enter(&dict_foreign_err_mutex); + + if (ftell(dict_foreign_err_file) != 0L) { + fputs("------------------------\n" + "LATEST FOREIGN KEY ERROR\n" + "------------------------\n", file); + ut_copy_file(file, dict_foreign_err_file); + } + + mutex_exit(&dict_foreign_err_mutex); + + /* Only if lock_print_info_summary proceeds correctly, + before we call the lock_print_info_all_transactions + to print all the lock information. */ + ret = lock_print_info_summary(file, nowait); + + if (ret) { + if (trx_start) { + long t = ftell(file); + if (t < 0) { + *trx_start = ULINT_UNDEFINED; + } else { + *trx_start = (ulint) t; + } + } + lock_print_info_all_transactions(file); + if (trx_end) { + long t = ftell(file); + if (t < 0) { + *trx_end = ULINT_UNDEFINED; + } else { + *trx_end = (ulint) t; + } + } + } + + fputs("--------\n" + "FILE I/O\n" + "--------\n", file); + os_aio_print(file); + + fputs("-------------------------------------\n" + "INSERT BUFFER AND ADAPTIVE HASH INDEX\n" + "-------------------------------------\n", file); + ibuf_print(file); + + ha_print_info(file, btr_search_sys->hash_index); + + fprintf(file, + "%.2f hash searches/s, %.2f non-hash searches/s\n", + (btr_cur_n_sea - btr_cur_n_sea_old) + / time_elapsed, + (btr_cur_n_non_sea - btr_cur_n_non_sea_old) + / time_elapsed); + btr_cur_n_sea_old = btr_cur_n_sea; + btr_cur_n_non_sea_old = btr_cur_n_non_sea; + + fputs("---\n" + "LOG\n" + "---\n", file); + log_print(file); + + fputs("----------------------\n" + "BUFFER POOL AND MEMORY\n" + "----------------------\n", file); + fprintf(file, + "Total memory allocated " ULINTPF + "; in additional pool allocated " ULINTPF "\n", + ut_total_allocated_memory, + mem_pool_get_reserved(mem_comm_pool)); + fprintf(file, "Dictionary memory allocated " ULINTPF "\n", + dict_sys->size); + + buf_print_io(file); + + fputs("--------------\n" + "ROW OPERATIONS\n" + "--------------\n", file); + fprintf(file, "%ld queries inside InnoDB, %lu queries in queue\n", + (long) srv_conc_n_threads, + (ulong) srv_conc_n_waiting_threads); + + fprintf(file, "%lu read views open inside InnoDB\n", + UT_LIST_GET_LEN(trx_sys->view_list)); + + n_reserved = fil_space_get_n_reserved_extents(0); + if (n_reserved > 0) { + fprintf(file, + "%lu tablespace extents now reserved for" + " B-tree split operations\n", + (ulong) n_reserved); + } + +#ifdef UNIV_LINUX + fprintf(file, "Main thread process no. %lu, id %lu, state: %s\n", + (ulong) srv_main_thread_process_no, + (ulong) srv_main_thread_id, + srv_main_thread_op_info); +#else + fprintf(file, "Main thread id %lu, state: %s\n", + (ulong) srv_main_thread_id, + srv_main_thread_op_info); +#endif + fprintf(file, + "Number of rows inserted " ULINTPF + ", updated " ULINTPF ", deleted " ULINTPF + ", read " ULINTPF "\n", + srv_n_rows_inserted, + srv_n_rows_updated, + srv_n_rows_deleted, + srv_n_rows_read); + fprintf(file, + "%.2f inserts/s, %.2f updates/s," + " %.2f deletes/s, %.2f reads/s\n", + (srv_n_rows_inserted - srv_n_rows_inserted_old) + / time_elapsed, + (srv_n_rows_updated - srv_n_rows_updated_old) + / time_elapsed, + (srv_n_rows_deleted - srv_n_rows_deleted_old) + / time_elapsed, + (srv_n_rows_read - srv_n_rows_read_old) + / time_elapsed); + + srv_n_rows_inserted_old = srv_n_rows_inserted; + srv_n_rows_updated_old = srv_n_rows_updated; + srv_n_rows_deleted_old = srv_n_rows_deleted; + srv_n_rows_read_old = srv_n_rows_read; + + fputs("----------------------------\n" + "END OF INNODB MONITOR OUTPUT\n" + "============================\n", file); + mutex_exit(&srv_innodb_monitor_mutex); + fflush(file); + + return(ret); +} + +/******************************************************************//** +Function to pass InnoDB status variables to MySQL */ +UNIV_INTERN +void +srv_export_innodb_status(void) +/*==========================*/ +{ + mutex_enter(&srv_innodb_monitor_mutex); + + export_vars.innodb_data_pending_reads + = os_n_pending_reads; + export_vars.innodb_data_pending_writes + = os_n_pending_writes; + export_vars.innodb_data_pending_fsyncs + = fil_n_pending_log_flushes + + fil_n_pending_tablespace_flushes; + export_vars.innodb_data_fsyncs = os_n_fsyncs; + export_vars.innodb_data_read = srv_data_read; + export_vars.innodb_data_reads = os_n_file_reads; + export_vars.innodb_data_writes = os_n_file_writes; + export_vars.innodb_data_written = srv_data_written; + export_vars.innodb_buffer_pool_read_requests = buf_pool->stat.n_page_gets; + export_vars.innodb_buffer_pool_write_requests + = srv_buf_pool_write_requests; + export_vars.innodb_buffer_pool_wait_free = srv_buf_pool_wait_free; + export_vars.innodb_buffer_pool_pages_flushed = srv_buf_pool_flushed; + export_vars.innodb_buffer_pool_reads = srv_buf_pool_reads; + export_vars.innodb_buffer_pool_read_ahead + = buf_pool->stat.n_ra_pages_read; + export_vars.innodb_buffer_pool_read_ahead_evicted + = buf_pool->stat.n_ra_pages_evicted; + export_vars.innodb_buffer_pool_pages_data + = UT_LIST_GET_LEN(buf_pool->LRU); + export_vars.innodb_buffer_pool_pages_dirty + = UT_LIST_GET_LEN(buf_pool->flush_list); + export_vars.innodb_buffer_pool_pages_free + = UT_LIST_GET_LEN(buf_pool->free); +#ifdef UNIV_DEBUG + export_vars.innodb_buffer_pool_pages_latched + = buf_get_latched_pages_number(); +#endif /* UNIV_DEBUG */ + export_vars.innodb_buffer_pool_pages_total = buf_pool->curr_size; + + export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size + - UT_LIST_GET_LEN(buf_pool->LRU) + - UT_LIST_GET_LEN(buf_pool->free); +#ifdef HAVE_ATOMIC_BUILTINS + export_vars.innodb_have_atomic_builtins = 1; +#else + export_vars.innodb_have_atomic_builtins = 0; +#endif + export_vars.innodb_page_size = UNIV_PAGE_SIZE; + export_vars.innodb_log_waits = srv_log_waits; + export_vars.innodb_os_log_written = srv_os_log_written; + export_vars.innodb_os_log_fsyncs = fil_n_log_flushes; + export_vars.innodb_os_log_pending_fsyncs = fil_n_pending_log_flushes; + export_vars.innodb_os_log_pending_writes = srv_os_log_pending_writes; + export_vars.innodb_log_write_requests = srv_log_write_requests; + export_vars.innodb_log_writes = srv_log_writes; + export_vars.innodb_dblwr_pages_written = srv_dblwr_pages_written; + export_vars.innodb_dblwr_writes = srv_dblwr_writes; + export_vars.innodb_pages_created = buf_pool->stat.n_pages_created; + export_vars.innodb_pages_read = buf_pool->stat.n_pages_read; + export_vars.innodb_pages_written = buf_pool->stat.n_pages_written; + export_vars.innodb_row_lock_waits = srv_n_lock_wait_count; + export_vars.innodb_row_lock_current_waits + = srv_n_lock_wait_current_count; + export_vars.innodb_row_lock_time = srv_n_lock_wait_time / 1000; + if (srv_n_lock_wait_count > 0) { + export_vars.innodb_row_lock_time_avg = (ulint) + (srv_n_lock_wait_time / 1000 / srv_n_lock_wait_count); + } else { + export_vars.innodb_row_lock_time_avg = 0; + } + export_vars.innodb_row_lock_time_max + = srv_n_lock_max_wait_time / 1000; + export_vars.innodb_rows_read = srv_n_rows_read; + export_vars.innodb_rows_inserted = srv_n_rows_inserted; + export_vars.innodb_rows_updated = srv_n_rows_updated; + export_vars.innodb_rows_deleted = srv_n_rows_deleted; + + mutex_exit(&srv_innodb_monitor_mutex); +} + +/*********************************************************************//** +A thread which prints the info output by various InnoDB monitors. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_monitor_thread( +/*===============*/ + void* arg __attribute__((unused))) + /*!< in: a dummy parameter required by + os_thread_create */ +{ + double time_elapsed; + time_t current_time; + time_t last_table_monitor_time; + time_t last_tablespace_monitor_time; + time_t last_monitor_time; + ulint mutex_skipped; + ibool last_srv_print_monitor; + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "Lock timeout thread starts, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif + UT_NOT_USED(arg); + srv_last_monitor_time = time(NULL); + last_table_monitor_time = time(NULL); + last_tablespace_monitor_time = time(NULL); + last_monitor_time = time(NULL); + mutex_skipped = 0; + last_srv_print_monitor = srv_print_innodb_monitor; +loop: + srv_monitor_active = TRUE; + + /* Wake up every 5 seconds to see if we need to print + monitor information. */ + + os_thread_sleep(5000000); + + current_time = time(NULL); + + time_elapsed = difftime(current_time, last_monitor_time); + + if (time_elapsed > 15) { + last_monitor_time = time(NULL); + + if (srv_print_innodb_monitor) { + /* Reset mutex_skipped counter everytime + srv_print_innodb_monitor changes. This is to + ensure we will not be blocked by kernel_mutex + for short duration information printing, + such as requested by sync_array_print_long_waits() */ + if (!last_srv_print_monitor) { + mutex_skipped = 0; + last_srv_print_monitor = TRUE; + } + + if (!srv_printf_innodb_monitor(stderr, + MUTEX_NOWAIT(mutex_skipped), + NULL, NULL)) { + mutex_skipped++; + } else { + /* Reset the counter */ + mutex_skipped = 0; + } + } else { + last_srv_print_monitor = FALSE; + } + + + if (srv_innodb_status) { + mutex_enter(&srv_monitor_file_mutex); + rewind(srv_monitor_file); + if (!srv_printf_innodb_monitor(srv_monitor_file, + MUTEX_NOWAIT(mutex_skipped), + NULL, NULL)) { + mutex_skipped++; + } else { + mutex_skipped = 0; + } + + os_file_set_eof(srv_monitor_file); + mutex_exit(&srv_monitor_file_mutex); + } + + if (srv_print_innodb_tablespace_monitor + && difftime(current_time, + last_tablespace_monitor_time) > 60) { + last_tablespace_monitor_time = time(NULL); + + fputs("========================" + "========================\n", + stderr); + + ut_print_timestamp(stderr); + + fputs(" INNODB TABLESPACE MONITOR OUTPUT\n" + "========================" + "========================\n", + stderr); + + fsp_print(0); + fputs("Validating tablespace\n", stderr); + fsp_validate(0); + fputs("Validation ok\n" + "---------------------------------------\n" + "END OF INNODB TABLESPACE MONITOR OUTPUT\n" + "=======================================\n", + stderr); + } + + if (srv_print_innodb_table_monitor + && difftime(current_time, last_table_monitor_time) > 60) { + + last_table_monitor_time = time(NULL); + + fputs("===========================================\n", + stderr); + + ut_print_timestamp(stderr); + + fputs(" INNODB TABLE MONITOR OUTPUT\n" + "===========================================\n", + stderr); + dict_print(); + + fputs("-----------------------------------\n" + "END OF INNODB TABLE MONITOR OUTPUT\n" + "==================================\n", + stderr); + } + } + + if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { + goto exit_func; + } + + if (srv_print_innodb_monitor + || srv_print_innodb_lock_monitor + || srv_print_innodb_tablespace_monitor + || srv_print_innodb_table_monitor) { + goto loop; + } + + srv_monitor_active = FALSE; + + goto loop; + +exit_func: + srv_monitor_active = FALSE; + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} + +/*********************************************************************//** +A thread which wakes up threads whose lock wait may have lasted too long. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_lock_timeout_thread( +/*====================*/ + void* arg __attribute__((unused))) + /* in: a dummy parameter required by + os_thread_create */ +{ + srv_slot_t* slot; + ibool some_waits; + double wait_time; + ulint i; + +loop: + /* When someone is waiting for a lock, we wake up every second + and check if a timeout has passed for a lock wait */ + + os_thread_sleep(1000000); + + srv_lock_timeout_active = TRUE; + + mutex_enter(&kernel_mutex); + + some_waits = FALSE; + + /* Check of all slots if a thread is waiting there, and if it + has exceeded the time limit */ + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_mysql_table + i; + + if (slot->in_use) { + trx_t* trx; + ulong lock_wait_timeout; + + some_waits = TRUE; + + wait_time = ut_difftime(ut_time(), slot->suspend_time); + + trx = thr_get_trx(slot->thr); + lock_wait_timeout = thd_lock_wait_timeout( + trx->mysql_thd); + + if (lock_wait_timeout < 100000000 + && (wait_time > (double) lock_wait_timeout + || wait_time < 0)) { + + /* Timeout exceeded or a wrap-around in system + time counter: cancel the lock request queued + by the transaction and release possible + other transactions waiting behind; it is + possible that the lock has already been + granted: in that case do nothing */ + + if (trx->wait_lock) { + lock_cancel_waiting_and_release( + trx->wait_lock); + } + } + } + } + + os_event_reset(srv_lock_timeout_thread_event); + + mutex_exit(&kernel_mutex); + + if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { + goto exit_func; + } + + if (some_waits) { + goto loop; + } + + srv_lock_timeout_active = FALSE; + +#if 0 + /* The following synchronisation is disabled, since + the InnoDB monitor output is to be updated every 15 seconds. */ + os_event_wait(srv_lock_timeout_thread_event); +#endif + goto loop; + +exit_func: + srv_lock_timeout_active = FALSE; + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} + +/*********************************************************************//** +A thread which prints warnings about semaphore waits which have lasted +too long. These can be used to track bugs which cause hangs. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_error_monitor_thread( +/*=====================*/ + void* arg __attribute__((unused))) + /*!< in: a dummy parameter required by + os_thread_create */ +{ + /* number of successive fatal timeouts observed */ + ulint fatal_cnt = 0; + ib_uint64_t old_lsn; + ib_uint64_t new_lsn; + + old_lsn = srv_start_lsn; + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "Error monitor thread starts, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif +loop: + srv_error_monitor_active = TRUE; + + /* Try to track a strange bug reported by Harald Fuchs and others, + where the lsn seems to decrease at times */ + + new_lsn = log_get_lsn(); + + if (new_lsn < old_lsn) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: old log sequence number %llu" + " was greater\n" + "InnoDB: than the new log sequence number %llu!\n" + "InnoDB: Please submit a bug report" + " to http://bugs.mysql.com\n", + old_lsn, new_lsn); + } + + old_lsn = new_lsn; + + if (difftime(time(NULL), srv_last_monitor_time) > 60) { + /* We referesh InnoDB Monitor values so that averages are + printed from at most 60 last seconds */ + + srv_refresh_innodb_monitor_stats(); + } + + /* Update the statistics collected for deciding LRU + eviction policy. */ + buf_LRU_stat_update(); + + /* Update the statistics collected for flush rate policy. */ + buf_flush_stat_update(); + + /* In case mutex_exit is not a memory barrier, it is + theoretically possible some threads are left waiting though + the semaphore is already released. Wake up those threads: */ + + sync_arr_wake_threads_if_sema_free(); + + if (sync_array_print_long_waits()) { + fatal_cnt++; + if (fatal_cnt > 10) { + + fprintf(stderr, + "InnoDB: Error: semaphore wait has lasted" + " > %lu seconds\n" + "InnoDB: We intentionally crash the server," + " because it appears to be hung.\n", + (ulong) srv_fatal_semaphore_wait_threshold); + + ut_error; + } + } else { + fatal_cnt = 0; + } + + /* Flush stderr so that a database user gets the output + to possible MySQL error file */ + + fflush(stderr); + + os_thread_sleep(1000000); + + if (srv_shutdown_state < SRV_SHUTDOWN_CLEANUP) { + + goto loop; + } + + srv_error_monitor_active = FALSE; + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} + +/*******************************************************************//** +Tells the InnoDB server that there has been activity in the database +and wakes up the master thread if it is suspended (not sleeping). Used +in the MySQL interface. Note that there is a small chance that the master +thread stays suspended (we do not protect our operation with the kernel +mutex, for performace reasons). */ +UNIV_INTERN +void +srv_active_wake_master_thread(void) +/*===============================*/ +{ + srv_activity_count++; + + if (srv_n_threads_active[SRV_MASTER] == 0) { + + mutex_enter(&kernel_mutex); + + srv_release_threads(SRV_MASTER, 1); + + mutex_exit(&kernel_mutex); + } +} + +/*******************************************************************//** +Wakes up the master thread if it is suspended or being suspended. */ +UNIV_INTERN +void +srv_wake_master_thread(void) +/*========================*/ +{ + srv_activity_count++; + + mutex_enter(&kernel_mutex); + + srv_release_threads(SRV_MASTER, 1); + + mutex_exit(&kernel_mutex); +} + +/********************************************************************** +The master thread is tasked to ensure that flush of log file happens +once every second in the background. This is to ensure that not more +than one second of trxs are lost in case of crash when +innodb_flush_logs_at_trx_commit != 1 */ +static +void +srv_sync_log_buffer_in_background(void) +/*===================================*/ +{ + time_t current_time = time(NULL); + + srv_main_thread_op_info = "flushing log"; + if (difftime(current_time, srv_last_log_flush_time) >= 1) { + log_buffer_sync_in_background(TRUE); + srv_last_log_flush_time = current_time; + srv_log_writes_and_flush++; + } +} + +/*********************************************************************//** +The master thread controlling the server. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_master_thread( +/*==============*/ + void* arg __attribute__((unused))) + /*!< in: a dummy parameter required by + os_thread_create */ +{ + os_event_t event; + ulint old_activity_count; + ulint n_pages_purged = 0; + ulint n_bytes_merged; + ulint n_pages_flushed; + ulint n_bytes_archived; + ulint n_tables_to_drop; + ulint n_ios; + ulint n_ios_old; + ulint n_ios_very_old; + ulint n_pend_ios; + ibool skip_sleep = FALSE; + ulint i; + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "Master thread starts, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif + srv_main_thread_process_no = os_proc_get_number(); + srv_main_thread_id = os_thread_pf(os_thread_get_curr_id()); + + srv_table_reserve_slot(SRV_MASTER); + + mutex_enter(&kernel_mutex); + + srv_n_threads_active[SRV_MASTER]++; + + mutex_exit(&kernel_mutex); + +loop: + /*****************************************************************/ + /* ---- When there is database activity by users, we cycle in this + loop */ + + srv_main_thread_op_info = "reserving kernel mutex"; + + n_ios_very_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; + mutex_enter(&kernel_mutex); + + /* Store the user activity counter at the start of this loop */ + old_activity_count = srv_activity_count; + + mutex_exit(&kernel_mutex); + + if (srv_force_recovery >= SRV_FORCE_NO_BACKGROUND) { + + goto suspend_thread; + } + + /* ---- We run the following loop approximately once per second + when there is database activity */ + + srv_last_log_flush_time = time(NULL); + skip_sleep = FALSE; + + for (i = 0; i < 10; i++) { + n_ios_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; + srv_main_thread_op_info = "sleeping"; + srv_main_1_second_loops++; + + if (!skip_sleep) { + + os_thread_sleep(1000000); + srv_main_sleeps++; + } + + skip_sleep = FALSE; + + /* ALTER TABLE in MySQL requires on Unix that the table handler + can drop tables lazily after there no longer are SELECT + queries to them. */ + + srv_main_thread_op_info = "doing background drop tables"; + + row_drop_tables_for_mysql_in_background(); + + srv_main_thread_op_info = ""; + + if (srv_fast_shutdown && srv_shutdown_state > 0) { + + goto background_loop; + } + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + + srv_main_thread_op_info = "making checkpoint"; + log_free_check(); + + /* If i/os during one second sleep were less than 5% of + capacity, we assume that there is free disk i/o capacity + available, and it makes sense to do an insert buffer merge. */ + + n_pend_ios = buf_get_n_pending_ios() + + log_sys->n_pending_writes; + n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; + if (n_pend_ios < SRV_PEND_IO_THRESHOLD + && (n_ios - n_ios_old < SRV_RECENT_IO_ACTIVITY)) { + srv_main_thread_op_info = "doing insert buffer merge"; + ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + } + + if (UNIV_UNLIKELY(buf_get_modified_ratio_pct() + > srv_max_buf_pool_modified_pct)) { + + /* Try to keep the number of modified pages in the + buffer pool under the limit wished by the user */ + + srv_main_thread_op_info = + "flushing buffer pool pages"; + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), + IB_ULONGLONG_MAX); + + /* If we had to do the flush, it may have taken + even more than 1 second, and also, there may be more + to flush. Do not sleep 1 second during the next + iteration of this loop. */ + + skip_sleep = TRUE; + } else if (srv_adaptive_flushing) { + + /* Try to keep the rate of flushing of dirty + pages such that redo log generation does not + produce bursts of IO at checkpoint time. */ + ulint n_flush = buf_flush_get_desired_flush_rate(); + + if (n_flush) { + srv_main_thread_op_info = + "flushing buffer pool pages"; + n_flush = ut_min(PCT_IO(100), n_flush); + n_pages_flushed = + buf_flush_batch( + BUF_FLUSH_LIST, + n_flush, + IB_ULONGLONG_MAX); + + if (n_flush == PCT_IO(100)) { + skip_sleep = TRUE; + } + } + } + + if (srv_activity_count == old_activity_count) { + + /* There is no user activity at the moment, go to + the background loop */ + + goto background_loop; + } + } + + /* ---- We perform the following code approximately once per + 10 seconds when there is database activity */ + +#ifdef MEM_PERIODIC_CHECK + /* Check magic numbers of every allocated mem block once in 10 + seconds */ + mem_validate_all_blocks(); +#endif + /* If i/os during the 10 second period were less than 200% of + capacity, we assume that there is free disk i/o capacity + available, and it makes sense to flush srv_io_capacity pages. + + Note that this is done regardless of the fraction of dirty + pages relative to the max requested by the user. The one second + loop above requests writes for that case. The writes done here + are not required, and may be disabled. */ + + n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; + n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read + + buf_pool->stat.n_pages_written; + + srv_main_10_second_loops++; + if (n_pend_ios < SRV_PEND_IO_THRESHOLD + && (n_ios - n_ios_very_old < SRV_PAST_IO_ACTIVITY)) { + + srv_main_thread_op_info = "flushing buffer pool pages"; + buf_flush_batch(BUF_FLUSH_LIST, PCT_IO(100), + IB_ULONGLONG_MAX); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + } + + /* We run a batch of insert buffer merge every 10 seconds, + even if the server were active */ + + srv_main_thread_op_info = "doing insert buffer merge"; + ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + + /* We run a full purge every 10 seconds, even if the server + were active */ + do { + + if (srv_fast_shutdown && srv_shutdown_state > 0) { + + goto background_loop; + } + + srv_main_thread_op_info = "purging"; + n_pages_purged = trx_purge(); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + + } while (n_pages_purged); + + srv_main_thread_op_info = "flushing buffer pool pages"; + + /* Flush a few oldest pages to make a new checkpoint younger */ + + if (buf_get_modified_ratio_pct() > 70) { + + /* If there are lots of modified pages in the buffer pool + (> 70 %), we assume we can afford reserving the disk(s) for + the time it requires to flush 100 pages */ + + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), + IB_ULONGLONG_MAX); + } else { + /* Otherwise, we only flush a small number of pages so that + we do not unnecessarily use much disk i/o capacity from + other work */ + + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(10), + IB_ULONGLONG_MAX); + } + + srv_main_thread_op_info = "making checkpoint"; + + /* Make a new checkpoint about once in 10 seconds */ + + log_checkpoint(TRUE, FALSE); + + srv_main_thread_op_info = "reserving kernel mutex"; + + mutex_enter(&kernel_mutex); + + /* ---- When there is database activity, we jump from here back to + the start of loop */ + + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); + goto loop; + } + + mutex_exit(&kernel_mutex); + + /* If the database is quiet, we enter the background loop */ + + /*****************************************************************/ +background_loop: + /* ---- In this loop we run background operations when the server + is quiet from user activity. Also in the case of a shutdown, we + loop here, flushing the buffer pool to the data files. */ + + /* The server has been quiet for a while: start running background + operations */ + srv_main_background_loops++; + srv_main_thread_op_info = "doing background drop tables"; + + n_tables_to_drop = row_drop_tables_for_mysql_in_background(); + + if (n_tables_to_drop > 0) { + /* Do not monopolize the CPU even if there are tables waiting + in the background drop queue. (It is essentially a bug if + MySQL tries to drop a table while there are still open handles + to it and we had to put it to the background drop queue.) */ + + os_thread_sleep(100000); + } + + srv_main_thread_op_info = "purging"; + + /* Run a full purge */ + do { + if (srv_fast_shutdown && srv_shutdown_state > 0) { + + break; + } + + srv_main_thread_op_info = "purging"; + n_pages_purged = trx_purge(); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + + } while (n_pages_purged); + + srv_main_thread_op_info = "reserving kernel mutex"; + + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); + goto loop; + } + mutex_exit(&kernel_mutex); + + srv_main_thread_op_info = "doing insert buffer merge"; + + if (srv_fast_shutdown && srv_shutdown_state > 0) { + n_bytes_merged = 0; + } else { + /* This should do an amount of IO similar to the number of + dirty pages that will be flushed in the call to + buf_flush_batch below. Otherwise, the system favors + clean pages over cleanup throughput. */ + n_bytes_merged = ibuf_contract_for_n_pages(FALSE, + PCT_IO(100)); + } + + srv_main_thread_op_info = "reserving kernel mutex"; + + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); + goto loop; + } + mutex_exit(&kernel_mutex); + +flush_loop: + srv_main_thread_op_info = "flushing buffer pool pages"; + srv_main_flush_loops++; + if (srv_fast_shutdown < 2) { + n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, + PCT_IO(100), + IB_ULONGLONG_MAX); + } else { + /* In the fastest shutdown we do not flush the buffer pool + to data files: we set n_pages_flushed to 0 artificially. */ + + n_pages_flushed = 0; + } + + srv_main_thread_op_info = "reserving kernel mutex"; + + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); + goto loop; + } + mutex_exit(&kernel_mutex); + + srv_main_thread_op_info = "waiting for buffer pool flush to end"; + buf_flush_wait_batch_end(BUF_FLUSH_LIST); + + /* Flush logs if needed */ + srv_sync_log_buffer_in_background(); + + srv_main_thread_op_info = "making checkpoint"; + + log_checkpoint(TRUE, FALSE); + + if (buf_get_modified_ratio_pct() > srv_max_buf_pool_modified_pct) { + + /* Try to keep the number of modified pages in the + buffer pool under the limit wished by the user */ + + goto flush_loop; + } + + srv_main_thread_op_info = "reserving kernel mutex"; + + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); + goto loop; + } + mutex_exit(&kernel_mutex); + /* + srv_main_thread_op_info = "archiving log (if log archive is on)"; + + log_archive_do(FALSE, &n_bytes_archived); + */ + n_bytes_archived = 0; + + /* Keep looping in the background loop if still work to do */ + + if (srv_fast_shutdown && srv_shutdown_state > 0) { + if (n_tables_to_drop + n_pages_flushed + + n_bytes_archived != 0) { + + /* If we are doing a fast shutdown (= the default) + we do not do purge or insert buffer merge. But we + flush the buffer pool completely to disk. + In a 'very fast' shutdown we do not flush the buffer + pool to data files: we have set n_pages_flushed to + 0 artificially. */ + + goto background_loop; + } + } else if (n_tables_to_drop + + n_pages_purged + n_bytes_merged + n_pages_flushed + + n_bytes_archived != 0) { + /* In a 'slow' shutdown we run purge and the insert buffer + merge to completion */ + + goto background_loop; + } + + /* There is no work for background operations either: suspend + master thread to wait for more server activity */ + +suspend_thread: + srv_main_thread_op_info = "suspending"; + + mutex_enter(&kernel_mutex); + + if (row_get_background_drop_list_len_low() > 0) { + mutex_exit(&kernel_mutex); + + goto loop; + } + + event = srv_suspend_thread(); + + mutex_exit(&kernel_mutex); + + /* DO NOT CHANGE THIS STRING. innobase_start_or_create_for_mysql() + waits for database activity to die down when converting < 4.1.x + databases, and relies on this string being exactly as it is. InnoDB + manual also mentions this string in several places. */ + srv_main_thread_op_info = "waiting for server activity"; + + os_event_wait(event); + + if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { + /* This is only extra safety, the thread should exit + already when the event wait ends */ + + os_thread_exit(NULL); + } + + /* When there is user activity, InnoDB will set the event and the + main thread goes back to loop. */ + + goto loop; + + OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ +} diff --git a/perfschema/srv/srv0start.c b/perfschema/srv/srv0start.c new file mode 100644 index 00000000000..30f4baa6598 --- /dev/null +++ b/perfschema/srv/srv0start.c @@ -0,0 +1,2082 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file srv/srv0start.c +Starts the InnoDB database server + +Created 2/16/1996 Heikki Tuuri +*************************************************************************/ + +#include "ut0mem.h" +#include "mem0mem.h" +#include "data0data.h" +#include "data0type.h" +#include "dict0dict.h" +#include "buf0buf.h" +#include "os0file.h" +#include "os0thread.h" +#include "fil0fil.h" +#include "fsp0fsp.h" +#include "rem0rec.h" +#include "mtr0mtr.h" +#include "log0log.h" +#include "log0recv.h" +#include "page0page.h" +#include "page0cur.h" +#include "trx0trx.h" +#include "trx0sys.h" +#include "btr0btr.h" +#include "btr0cur.h" +#include "rem0rec.h" +#include "ibuf0ibuf.h" +#include "srv0start.h" +#include "srv0srv.h" +#ifndef UNIV_HOTBACKUP +# include "os0proc.h" +# include "sync0sync.h" +# include "buf0flu.h" +# include "buf0rea.h" +# include "dict0boot.h" +# include "dict0load.h" +# include "que0que.h" +# include "usr0sess.h" +# include "lock0lock.h" +# include "trx0roll.h" +# include "trx0purge.h" +# include "lock0lock.h" +# include "pars0pars.h" +# include "btr0sea.h" +# include "rem0cmp.h" +# include "dict0crea.h" +# include "row0ins.h" +# include "row0sel.h" +# include "row0upd.h" +# include "row0row.h" +# include "row0mysql.h" +# include "btr0pcur.h" +# include "thr0loc.h" +# include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ +# include "zlib.h" /* for ZLIB_VERSION */ + +/** Log sequence number immediately after startup */ +UNIV_INTERN ib_uint64_t srv_start_lsn; +/** Log sequence number at shutdown */ +UNIV_INTERN ib_uint64_t srv_shutdown_lsn; + +#ifdef HAVE_DARWIN_THREADS +# include +/** TRUE if the F_FULLFSYNC option is available */ +UNIV_INTERN ibool srv_have_fullfsync = FALSE; +#endif + +/** TRUE if a raw partition is in use */ +UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; + +/** TRUE if the server is being started, before rolling back any +incomplete transactions */ +UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; +/** TRUE if the server is being started */ +UNIV_INTERN ibool srv_is_being_started = FALSE; +/** TRUE if the server was successfully started */ +UNIV_INTERN ibool srv_was_started = FALSE; +/** TRUE if innobase_start_or_create_for_mysql() has been called */ +static ibool srv_start_has_been_called = FALSE; + +/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to +SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ +UNIV_INTERN enum srv_shutdown_state srv_shutdown_state = SRV_SHUTDOWN_NONE; + +/** Files comprising the system tablespace */ +static os_file_t files[1000]; + +/** Mutex protecting the ios count */ +static mutex_t ios_mutex; +/** Count of I/O operations in io_handler_thread() */ +static ulint ios; + +/** io_handler_thread parameters for thread identification */ +static ulint n[SRV_MAX_N_IO_THREADS + 6]; +/** io_handler_thread identifiers */ +static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 6]; + +/** We use this mutex to test the return value of pthread_mutex_trylock + on successful locking. HP-UX does NOT return 0, though Linux et al do. */ +static os_fast_mutex_t srv_os_test_mutex; + +/** Name of srv_monitor_file */ +static char* srv_monitor_file_name; +#endif /* !UNIV_HOTBACKUP */ + +/** */ +#define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD +#define SRV_MAX_N_PENDING_SYNC_IOS 100 + + +/*********************************************************************//** +Convert a numeric string that optionally ends in G or M, to a number +containing megabytes. +@return next character in string */ +static +char* +srv_parse_megabytes( +/*================*/ + char* str, /*!< in: string containing a quantity in bytes */ + ulint* megs) /*!< out: the number in megabytes */ +{ + char* endp; + ulint size; + + size = strtoul(str, &endp, 10); + + str = endp; + + switch (*str) { + case 'G': case 'g': + size *= 1024; + /* fall through */ + case 'M': case 'm': + str++; + break; + default: + size /= 1024 * 1024; + break; + } + + *megs = size; + return(str); +} + +/*********************************************************************//** +Reads the data files and their sizes from a character string given in +the .cnf file. +@return TRUE if ok, FALSE on parse error */ +UNIV_INTERN +ibool +srv_parse_data_file_paths_and_sizes( +/*================================*/ + char* str) /*!< in/out: the data file path string */ +{ + char* input_str; + char* path; + ulint size; + ulint i = 0; + + srv_auto_extend_last_data_file = FALSE; + srv_last_file_size_max = 0; + srv_data_file_names = NULL; + srv_data_file_sizes = NULL; + srv_data_file_is_raw_partition = NULL; + + input_str = str; + + /* First calculate the number of data files and check syntax: + path:size[M | G];path:size[M | G]... . Note that a Windows path may + contain a drive name and a ':'. */ + + while (*str != '\0') { + path = str; + + while ((*str != ':' && *str != '\0') + || (*str == ':' + && (*(str + 1) == '\\' || *(str + 1) == '/' + || *(str + 1) == ':'))) { + str++; + } + + if (*str == '\0') { + return(FALSE); + } + + str++; + + str = srv_parse_megabytes(str, &size); + + if (0 == strncmp(str, ":autoextend", + (sizeof ":autoextend") - 1)) { + + str += (sizeof ":autoextend") - 1; + + if (0 == strncmp(str, ":max:", + (sizeof ":max:") - 1)) { + + str += (sizeof ":max:") - 1; + + str = srv_parse_megabytes(str, &size); + } + + if (*str != '\0') { + + return(FALSE); + } + } + + if (strlen(str) >= 6 + && *str == 'n' + && *(str + 1) == 'e' + && *(str + 2) == 'w') { + str += 3; + } + + if (*str == 'r' && *(str + 1) == 'a' && *(str + 2) == 'w') { + str += 3; + } + + if (size == 0) { + return(FALSE); + } + + i++; + + if (*str == ';') { + str++; + } else if (*str != '\0') { + + return(FALSE); + } + } + + if (i == 0) { + /* If innodb_data_file_path was defined it must contain + at least one data file definition */ + + return(FALSE); + } + + srv_data_file_names = malloc(i * sizeof *srv_data_file_names); + srv_data_file_sizes = malloc(i * sizeof *srv_data_file_sizes); + srv_data_file_is_raw_partition = malloc( + i * sizeof *srv_data_file_is_raw_partition); + + srv_n_data_files = i; + + /* Then store the actual values to our arrays */ + + str = input_str; + i = 0; + + while (*str != '\0') { + path = str; + + /* Note that we must step over the ':' in a Windows path; + a Windows path normally looks like C:\ibdata\ibdata1:1G, but + a Windows raw partition may have a specification like + \\.\C::1Gnewraw or \\.\PHYSICALDRIVE2:1Gnewraw */ + + while ((*str != ':' && *str != '\0') + || (*str == ':' + && (*(str + 1) == '\\' || *(str + 1) == '/' + || *(str + 1) == ':'))) { + str++; + } + + if (*str == ':') { + /* Make path a null-terminated string */ + *str = '\0'; + str++; + } + + str = srv_parse_megabytes(str, &size); + + srv_data_file_names[i] = path; + srv_data_file_sizes[i] = size; + + if (0 == strncmp(str, ":autoextend", + (sizeof ":autoextend") - 1)) { + + srv_auto_extend_last_data_file = TRUE; + + str += (sizeof ":autoextend") - 1; + + if (0 == strncmp(str, ":max:", + (sizeof ":max:") - 1)) { + + str += (sizeof ":max:") - 1; + + str = srv_parse_megabytes( + str, &srv_last_file_size_max); + } + + if (*str != '\0') { + + return(FALSE); + } + } + + (srv_data_file_is_raw_partition)[i] = 0; + + if (strlen(str) >= 6 + && *str == 'n' + && *(str + 1) == 'e' + && *(str + 2) == 'w') { + str += 3; + (srv_data_file_is_raw_partition)[i] = SRV_NEW_RAW; + } + + if (*str == 'r' && *(str + 1) == 'a' && *(str + 2) == 'w') { + str += 3; + + if ((srv_data_file_is_raw_partition)[i] == 0) { + (srv_data_file_is_raw_partition)[i] = SRV_OLD_RAW; + } + } + + i++; + + if (*str == ';') { + str++; + } + } + + return(TRUE); +} + +/*********************************************************************//** +Reads log group home directories from a character string given in +the .cnf file. +@return TRUE if ok, FALSE on parse error */ +UNIV_INTERN +ibool +srv_parse_log_group_home_dirs( +/*==========================*/ + char* str) /*!< in/out: character string */ +{ + char* input_str; + char* path; + ulint i = 0; + + srv_log_group_home_dirs = NULL; + + input_str = str; + + /* First calculate the number of directories and check syntax: + path;path;... */ + + while (*str != '\0') { + path = str; + + while (*str != ';' && *str != '\0') { + str++; + } + + i++; + + if (*str == ';') { + str++; + } else if (*str != '\0') { + + return(FALSE); + } + } + + if (i != 1) { + /* If innodb_log_group_home_dir was defined it must + contain exactly one path definition under current MySQL */ + + return(FALSE); + } + + srv_log_group_home_dirs = malloc(i * sizeof *srv_log_group_home_dirs); + + /* Then store the actual values to our array */ + + str = input_str; + i = 0; + + while (*str != '\0') { + path = str; + + while (*str != ';' && *str != '\0') { + str++; + } + + if (*str == ';') { + *str = '\0'; + str++; + } + + srv_log_group_home_dirs[i] = path; + + i++; + } + + return(TRUE); +} + +/*********************************************************************//** +Frees the memory allocated by srv_parse_data_file_paths_and_sizes() +and srv_parse_log_group_home_dirs(). */ +UNIV_INTERN +void +srv_free_paths_and_sizes(void) +/*==========================*/ +{ + free(srv_data_file_names); + srv_data_file_names = NULL; + free(srv_data_file_sizes); + srv_data_file_sizes = NULL; + free(srv_data_file_is_raw_partition); + srv_data_file_is_raw_partition = NULL; + free(srv_log_group_home_dirs); + srv_log_group_home_dirs = NULL; +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +I/o-handler thread function. +@return OS_THREAD_DUMMY_RETURN */ +static +os_thread_ret_t +io_handler_thread( +/*==============*/ + void* arg) /*!< in: pointer to the number of the segment in + the aio array */ +{ + ulint segment; + ulint i; + + segment = *((ulint*)arg); + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "Io handler thread %lu starts, id %lu\n", segment, + os_thread_pf(os_thread_get_curr_id())); +#endif + for (i = 0;; i++) { + fil_aio_wait(segment); + + mutex_enter(&ios_mutex); + ios++; + mutex_exit(&ios_mutex); + } + + thr_local_free(os_thread_get_curr_id()); + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. + The thread actually never comes here because it is exited in an + os_event_wait(). */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef __WIN__ +#define SRV_PATH_SEPARATOR '\\' +#else +#define SRV_PATH_SEPARATOR '/' +#endif + +/*********************************************************************//** +Normalizes a directory path for Windows: converts slashes to backslashes. */ +UNIV_INTERN +void +srv_normalize_path_for_win( +/*=======================*/ + char* str __attribute__((unused))) /*!< in/out: null-terminated + character string */ +{ +#ifdef __WIN__ + for (; *str; str++) { + + if (*str == '/') { + *str = '\\'; + } + } +#endif +} + +#ifndef UNIV_HOTBACKUP +/*********************************************************************//** +Calculates the low 32 bits when a file size which is given as a number +database pages is converted to the number of bytes. +@return low 32 bytes of file size when expressed in bytes */ +static +ulint +srv_calc_low32( +/*===========*/ + ulint file_size) /*!< in: file size in database pages */ +{ + return(0xFFFFFFFFUL & (file_size << UNIV_PAGE_SIZE_SHIFT)); +} + +/*********************************************************************//** +Calculates the high 32 bits when a file size which is given as a number +database pages is converted to the number of bytes. +@return high 32 bytes of file size when expressed in bytes */ +static +ulint +srv_calc_high32( +/*============*/ + ulint file_size) /*!< in: file size in database pages */ +{ + return(file_size >> (32 - UNIV_PAGE_SIZE_SHIFT)); +} + +/*********************************************************************//** +Creates or opens the log files and closes them. +@return DB_SUCCESS or error code */ +static +ulint +open_or_create_log_file( +/*====================*/ + ibool create_new_db, /*!< in: TRUE if we should create a + new database */ + ibool* log_file_created, /*!< out: TRUE if new log file + created */ + ibool log_file_has_been_opened,/*!< in: TRUE if a log file has been + opened before: then it is an error + to try to create another log file */ + ulint k, /*!< in: log group number */ + ulint i) /*!< in: log file number in group */ +{ + ibool ret; + ulint size; + ulint size_high; + char name[10000]; + ulint dirnamelen; + + UT_NOT_USED(create_new_db); + + *log_file_created = FALSE; + + srv_normalize_path_for_win(srv_log_group_home_dirs[k]); + + dirnamelen = strlen(srv_log_group_home_dirs[k]); + ut_a(dirnamelen < (sizeof name) - 10 - sizeof "ib_logfile"); + memcpy(name, srv_log_group_home_dirs[k], dirnamelen); + + /* Add a path separator if needed. */ + if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { + name[dirnamelen++] = SRV_PATH_SEPARATOR; + } + + sprintf(name + dirnamelen, "%s%lu", "ib_logfile", (ulong) i); + + files[i] = os_file_create(name, OS_FILE_CREATE, OS_FILE_NORMAL, + OS_LOG_FILE, &ret); + if (ret == FALSE) { + if (os_file_get_last_error(FALSE) != OS_FILE_ALREADY_EXISTS +#ifdef UNIV_AIX + /* AIX 5.1 after security patch ML7 may have errno set + to 0 here, which causes our function to return 100; + work around that AIX problem */ + && os_file_get_last_error(FALSE) != 100 +#endif + ) { + fprintf(stderr, + "InnoDB: Error in creating" + " or opening %s\n", name); + + return(DB_ERROR); + } + + files[i] = os_file_create(name, OS_FILE_OPEN, OS_FILE_AIO, + OS_LOG_FILE, &ret); + if (!ret) { + fprintf(stderr, + "InnoDB: Error in opening %s\n", name); + + return(DB_ERROR); + } + + ret = os_file_get_size(files[i], &size, &size_high); + ut_a(ret); + + if (size != srv_calc_low32(srv_log_file_size) + || size_high != srv_calc_high32(srv_log_file_size)) { + + fprintf(stderr, + "InnoDB: Error: log file %s is" + " of different size %lu %lu bytes\n" + "InnoDB: than specified in the .cnf" + " file %lu %lu bytes!\n", + name, (ulong) size_high, (ulong) size, + (ulong) srv_calc_high32(srv_log_file_size), + (ulong) srv_calc_low32(srv_log_file_size)); + + return(DB_ERROR); + } + } else { + *log_file_created = TRUE; + + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Log file %s did not exist:" + " new to be created\n", + name); + if (log_file_has_been_opened) { + + return(DB_ERROR); + } + + fprintf(stderr, "InnoDB: Setting log file %s size to %lu MB\n", + name, (ulong) srv_log_file_size + >> (20 - UNIV_PAGE_SIZE_SHIFT)); + + fprintf(stderr, + "InnoDB: Database physically writes the file" + " full: wait...\n"); + + ret = os_file_set_size(name, files[i], + srv_calc_low32(srv_log_file_size), + srv_calc_high32(srv_log_file_size)); + if (!ret) { + fprintf(stderr, + "InnoDB: Error in creating %s:" + " probably out of disk space\n", + name); + + return(DB_ERROR); + } + } + + ret = os_file_close(files[i]); + ut_a(ret); + + if (i == 0) { + /* Create in memory the file space object + which is for this log group */ + + fil_space_create(name, + 2 * k + SRV_LOG_SPACE_FIRST_ID, 0, FIL_LOG); + } + + ut_a(fil_validate()); + + fil_node_create(name, srv_log_file_size, + 2 * k + SRV_LOG_SPACE_FIRST_ID, FALSE); +#ifdef UNIV_LOG_ARCHIVE + /* If this is the first log group, create the file space object + for archived logs. + Under MySQL, no archiving ever done. */ + + if (k == 0 && i == 0) { + arch_space_id = 2 * k + 1 + SRV_LOG_SPACE_FIRST_ID; + + fil_space_create("arch_log_space", arch_space_id, 0, FIL_LOG); + } else { + arch_space_id = ULINT_UNDEFINED; + } +#endif /* UNIV_LOG_ARCHIVE */ + if (i == 0) { + log_group_init(k, srv_n_log_files, + srv_log_file_size * UNIV_PAGE_SIZE, + 2 * k + SRV_LOG_SPACE_FIRST_ID, + SRV_LOG_SPACE_FIRST_ID + 1); /* dummy arch + space id */ + } + + return(DB_SUCCESS); +} + +/*********************************************************************//** +Creates or opens database data files and closes them. +@return DB_SUCCESS or error code */ +static +ulint +open_or_create_data_files( +/*======================*/ + ibool* create_new_db, /*!< out: TRUE if new database should be + created */ +#ifdef UNIV_LOG_ARCHIVE + ulint* min_arch_log_no,/*!< out: min of archived log + numbers in data files */ + ulint* max_arch_log_no,/*!< out: max of archived log + numbers in data files */ +#endif /* UNIV_LOG_ARCHIVE */ + ib_uint64_t* min_flushed_lsn,/*!< out: min of flushed lsn + values in data files */ + ib_uint64_t* max_flushed_lsn,/*!< out: max of flushed lsn + values in data files */ + ulint* sum_of_new_sizes)/*!< out: sum of sizes of the + new files added */ +{ + ibool ret; + ulint i; + ibool one_opened = FALSE; + ibool one_created = FALSE; + ulint size; + ulint size_high; + ulint rounded_size_pages; + char name[10000]; + + if (srv_n_data_files >= 1000) { + fprintf(stderr, "InnoDB: can only have < 1000 data files\n" + "InnoDB: you have defined %lu\n", + (ulong) srv_n_data_files); + return(DB_ERROR); + } + + *sum_of_new_sizes = 0; + + *create_new_db = FALSE; + + srv_normalize_path_for_win(srv_data_home); + + for (i = 0; i < srv_n_data_files; i++) { + ulint dirnamelen; + + srv_normalize_path_for_win(srv_data_file_names[i]); + dirnamelen = strlen(srv_data_home); + + ut_a(dirnamelen + strlen(srv_data_file_names[i]) + < (sizeof name) - 1); + memcpy(name, srv_data_home, dirnamelen); + /* Add a path separator if needed. */ + if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { + name[dirnamelen++] = SRV_PATH_SEPARATOR; + } + + strcpy(name + dirnamelen, srv_data_file_names[i]); + + if (srv_data_file_is_raw_partition[i] == 0) { + + /* First we try to create the file: if it already + exists, ret will get value FALSE */ + + files[i] = os_file_create(name, OS_FILE_CREATE, + OS_FILE_NORMAL, + OS_DATA_FILE, &ret); + + if (ret == FALSE && os_file_get_last_error(FALSE) + != OS_FILE_ALREADY_EXISTS +#ifdef UNIV_AIX + /* AIX 5.1 after security patch ML7 may have + errno set to 0 here, which causes our function + to return 100; work around that AIX problem */ + && os_file_get_last_error(FALSE) != 100 +#endif + ) { + fprintf(stderr, + "InnoDB: Error in creating" + " or opening %s\n", + name); + + return(DB_ERROR); + } + } else if (srv_data_file_is_raw_partition[i] == SRV_NEW_RAW) { + /* The partition is opened, not created; then it is + written over */ + + srv_start_raw_disk_in_use = TRUE; + srv_created_new_raw = TRUE; + + files[i] = os_file_create(name, OS_FILE_OPEN_RAW, + OS_FILE_NORMAL, + OS_DATA_FILE, &ret); + if (!ret) { + fprintf(stderr, + "InnoDB: Error in opening %s\n", name); + + return(DB_ERROR); + } + } else if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { + srv_start_raw_disk_in_use = TRUE; + + ret = FALSE; + } else { + ut_a(0); + } + + if (ret == FALSE) { + /* We open the data file */ + + if (one_created) { + fprintf(stderr, + "InnoDB: Error: data files can only" + " be added at the end\n"); + fprintf(stderr, + "InnoDB: of a tablespace, but" + " data file %s existed beforehand.\n", + name); + return(DB_ERROR); + } + + if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { + files[i] = os_file_create( + name, OS_FILE_OPEN_RAW, + OS_FILE_NORMAL, OS_DATA_FILE, &ret); + } else if (i == 0) { + files[i] = os_file_create( + name, OS_FILE_OPEN_RETRY, + OS_FILE_NORMAL, OS_DATA_FILE, &ret); + } else { + files[i] = os_file_create( + name, OS_FILE_OPEN, OS_FILE_NORMAL, + OS_DATA_FILE, &ret); + } + + if (!ret) { + fprintf(stderr, + "InnoDB: Error in opening %s\n", name); + os_file_get_last_error(TRUE); + + return(DB_ERROR); + } + + if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { + + goto skip_size_check; + } + + ret = os_file_get_size(files[i], &size, &size_high); + ut_a(ret); + /* Round size downward to megabytes */ + + rounded_size_pages + = (size / (1024 * 1024) + 4096 * size_high) + << (20 - UNIV_PAGE_SIZE_SHIFT); + + if (i == srv_n_data_files - 1 + && srv_auto_extend_last_data_file) { + + if (srv_data_file_sizes[i] > rounded_size_pages + || (srv_last_file_size_max > 0 + && srv_last_file_size_max + < rounded_size_pages)) { + + fprintf(stderr, + "InnoDB: Error: auto-extending" + " data file %s is" + " of a different size\n" + "InnoDB: %lu pages (rounded" + " down to MB) than specified" + " in the .cnf file:\n" + "InnoDB: initial %lu pages," + " max %lu (relevant if" + " non-zero) pages!\n", + name, + (ulong) rounded_size_pages, + (ulong) srv_data_file_sizes[i], + (ulong) + srv_last_file_size_max); + + return(DB_ERROR); + } + + srv_data_file_sizes[i] = rounded_size_pages; + } + + if (rounded_size_pages != srv_data_file_sizes[i]) { + + fprintf(stderr, + "InnoDB: Error: data file %s" + " is of a different size\n" + "InnoDB: %lu pages" + " (rounded down to MB)\n" + "InnoDB: than specified" + " in the .cnf file %lu pages!\n", + name, + (ulong) rounded_size_pages, + (ulong) srv_data_file_sizes[i]); + + return(DB_ERROR); + } +skip_size_check: + fil_read_flushed_lsn_and_arch_log_no( + files[i], one_opened, +#ifdef UNIV_LOG_ARCHIVE + min_arch_log_no, max_arch_log_no, +#endif /* UNIV_LOG_ARCHIVE */ + min_flushed_lsn, max_flushed_lsn); + one_opened = TRUE; + } else { + /* We created the data file and now write it full of + zeros */ + + one_created = TRUE; + + if (i > 0) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Data file %s did not" + " exist: new to be created\n", + name); + } else { + fprintf(stderr, + "InnoDB: The first specified" + " data file %s did not exist:\n" + "InnoDB: a new database" + " to be created!\n", name); + *create_new_db = TRUE; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Setting file %s size to %lu MB\n", + name, + (ulong) (srv_data_file_sizes[i] + >> (20 - UNIV_PAGE_SIZE_SHIFT))); + + fprintf(stderr, + "InnoDB: Database physically writes the" + " file full: wait...\n"); + + ret = os_file_set_size( + name, files[i], + srv_calc_low32(srv_data_file_sizes[i]), + srv_calc_high32(srv_data_file_sizes[i])); + + if (!ret) { + fprintf(stderr, + "InnoDB: Error in creating %s:" + " probably out of disk space\n", name); + + return(DB_ERROR); + } + + *sum_of_new_sizes = *sum_of_new_sizes + + srv_data_file_sizes[i]; + } + + ret = os_file_close(files[i]); + ut_a(ret); + + if (i == 0) { + fil_space_create(name, 0, 0, FIL_TABLESPACE); + } + + ut_a(fil_validate()); + + fil_node_create(name, srv_data_file_sizes[i], 0, + srv_data_file_is_raw_partition[i] != 0); + } + + ios = 0; + + mutex_create(&ios_mutex, SYNC_NO_ORDER_CHECK); + + return(DB_SUCCESS); +} + +/******************************************************************** +Starts InnoDB and creates a new database if database files +are not found and the user wants. +@return DB_SUCCESS or error code */ +UNIV_INTERN +int +innobase_start_or_create_for_mysql(void) +/*====================================*/ +{ + buf_pool_t* ret; + ibool create_new_db; + ibool log_file_created; + ibool log_created = FALSE; + ibool log_opened = FALSE; + ib_uint64_t min_flushed_lsn; + ib_uint64_t max_flushed_lsn; +#ifdef UNIV_LOG_ARCHIVE + ulint min_arch_log_no; + ulint max_arch_log_no; +#endif /* UNIV_LOG_ARCHIVE */ + ulint sum_of_new_sizes; + ulint sum_of_data_file_sizes; + ulint tablespace_size_in_header; + ulint err; + ulint i; + ulint io_limit; + my_bool srv_file_per_table_original_value + = srv_file_per_table; + mtr_t mtr; +#ifdef HAVE_DARWIN_THREADS +# ifdef F_FULLFSYNC + /* This executable has been compiled on Mac OS X 10.3 or later. + Assume that F_FULLFSYNC is available at run-time. */ + srv_have_fullfsync = TRUE; +# else /* F_FULLFSYNC */ + /* This executable has been compiled on Mac OS X 10.2 + or earlier. Determine if the executable is running + on Mac OS X 10.3 or later. */ + struct utsname utsname; + if (uname(&utsname)) { + fputs("InnoDB: cannot determine Mac OS X version!\n", stderr); + } else { + srv_have_fullfsync = strcmp(utsname.release, "7.") >= 0; + } + if (!srv_have_fullfsync) { + fputs("InnoDB: On Mac OS X, fsync() may be" + " broken on internal drives,\n" + "InnoDB: making transactions unsafe!\n", stderr); + } +# endif /* F_FULLFSYNC */ +#endif /* HAVE_DARWIN_THREADS */ + + if (sizeof(ulint) != sizeof(void*)) { + fprintf(stderr, + "InnoDB: Error: size of InnoDB's ulint is %lu," + " but size of void* is %lu.\n" + "InnoDB: The sizes should be the same" + " so that on a 64-bit platform you can\n" + "InnoDB: allocate more than 4 GB of memory.", + (ulong)sizeof(ulint), (ulong)sizeof(void*)); + } + + /* System tables are created in tablespace 0. Thus, we must + temporarily clear srv_file_per_table. This is ok, because the + server will not accept connections (which could modify + innodb_file_per_table) until this function has returned. */ + srv_file_per_table = FALSE; +#ifdef UNIV_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!\n"); +#endif + +#ifdef UNIV_IBUF_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_IBUF_DEBUG switched on !!!!!!!!!\n" +# ifdef UNIV_IBUF_COUNT_DEBUG + "InnoDB: !!!!!!!! UNIV_IBUF_COUNT_DEBUG switched on !!!!!!!!!\n" + "InnoDB: Crash recovery will fail with UNIV_IBUF_COUNT_DEBUG\n" +# endif + ); +#endif + +#ifdef UNIV_SYNC_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!!\n"); +#endif + +#ifdef UNIV_SEARCH_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_SEARCH_DEBUG switched on !!!!!!!!!\n"); +#endif + +#ifdef UNIV_LOG_LSN_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_LOG_LSN_DEBUG switched on !!!!!!!!!\n"); +#endif /* UNIV_LOG_LSN_DEBUG */ +#ifdef UNIV_MEM_DEBUG + fprintf(stderr, + "InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n"); +#endif + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + fprintf(stderr, + "InnoDB: The InnoDB memory heap is disabled\n"); + } + + fputs("InnoDB: " IB_ATOMICS_STARTUP_MSG + "\nInnoDB: Compressed tables use zlib " ZLIB_VERSION +#ifdef UNIV_ZIP_DEBUG + " with validation" +#endif /* UNIV_ZIP_DEBUG */ +#ifdef UNIV_ZIP_COPY + " and extra copying" +#endif /* UNIV_ZIP_COPY */ + "\n" , stderr); + + /* Since InnoDB does not currently clean up all its internal data + structures in MySQL Embedded Server Library server_end(), we + print an error message if someone tries to start up InnoDB a + second time during the process lifetime. */ + + if (srv_start_has_been_called) { + fprintf(stderr, + "InnoDB: Error: startup called second time" + " during the process lifetime.\n" + "InnoDB: In the MySQL Embedded Server Library" + " you cannot call server_init()\n" + "InnoDB: more than once during" + " the process lifetime.\n"); + } + + srv_start_has_been_called = TRUE; + +#ifdef UNIV_DEBUG + log_do_write = TRUE; +#endif /* UNIV_DEBUG */ + /* yydebug = TRUE; */ + + srv_is_being_started = TRUE; + srv_startup_is_before_trx_rollback_phase = TRUE; + +#ifdef __WIN__ + switch (os_get_os_version()) { + case OS_WIN95: + case OS_WIN31: + case OS_WINNT: + /* On Win 95, 98, ME, Win32 subsystem for Windows 3.1, + and NT use simulated aio. In NT Windows provides async i/o, + but when run in conjunction with InnoDB Hot Backup, it seemed + to corrupt the data files. */ + + srv_use_native_aio = FALSE; + break; + default: + /* On Win 2000 and XP use async i/o */ + srv_use_native_aio = TRUE; + break; + } + +#elif defined(LINUX_NATIVE_AIO) + + if (srv_use_native_aio) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Using Linux native AIO\n"); + } +#else + /* Currently native AIO is supported only on windows and linux + and that also when the support is compiled in. In all other + cases, we ignore the setting of innodb_use_native_aio. */ + + /* TODO: comment this out after internal testing. */ + fprintf(stderr, "Ignoring innodb_use_native_aio\n"); + srv_use_native_aio = FALSE; + +#endif + + if (srv_file_flush_method_str == NULL) { + /* These are the default options */ + + srv_unix_file_flush_method = SRV_UNIX_FSYNC; + + srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; +#ifndef __WIN__ + } else if (0 == ut_strcmp(srv_file_flush_method_str, "fsync")) { + srv_unix_file_flush_method = SRV_UNIX_FSYNC; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, "O_DSYNC")) { + srv_unix_file_flush_method = SRV_UNIX_O_DSYNC; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, "O_DIRECT")) { + srv_unix_file_flush_method = SRV_UNIX_O_DIRECT; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, "littlesync")) { + srv_unix_file_flush_method = SRV_UNIX_LITTLESYNC; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, "nosync")) { + srv_unix_file_flush_method = SRV_UNIX_NOSYNC; +#else + } else if (0 == ut_strcmp(srv_file_flush_method_str, "normal")) { + srv_win_file_flush_method = SRV_WIN_IO_NORMAL; + srv_use_native_aio = FALSE; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, "unbuffered")) { + srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; + srv_use_native_aio = FALSE; + + } else if (0 == ut_strcmp(srv_file_flush_method_str, + "async_unbuffered")) { + srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; +#endif + } else { + fprintf(stderr, + "InnoDB: Unrecognized value %s for" + " innodb_flush_method\n", + srv_file_flush_method_str); + return(DB_ERROR); + } + + /* Note that the call srv_boot() also changes the values of + some variables to the units used by InnoDB internally */ + + /* Set the maximum number of threads which can wait for a semaphore + inside InnoDB: this is the 'sync wait array' size, as well as the + maximum number of threads that can wait in the 'srv_conc array' for + their time to enter InnoDB. */ + +#if defined(__NETWARE__) + + /* Create less event semaphores because Win 98/ME had + difficulty creating 40000 event semaphores. Comment from + Novell, Inc.: also, these just take a lot of memory on + NetWare. */ + srv_max_n_threads = 1000; +#else + if (srv_buf_pool_size >= 1000 * 1024 * 1024) { + /* If buffer pool is less than 1000 MB, + assume fewer threads. */ + srv_max_n_threads = 50000; + + } else if (srv_buf_pool_size >= 8 * 1024 * 1024) { + + srv_max_n_threads = 10000; + } else { + srv_max_n_threads = 1000; /* saves several MB of memory, + especially in 64-bit + computers */ + } +#endif + err = srv_boot(); + + if (err != DB_SUCCESS) { + + return((int) err); + } + + mutex_create(&srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK); + + if (srv_innodb_status) { + srv_monitor_file_name = mem_alloc( + strlen(fil_path_to_mysql_datadir) + + 20 + sizeof "/innodb_status."); + sprintf(srv_monitor_file_name, "%s/innodb_status.%lu", + fil_path_to_mysql_datadir, os_proc_get_number()); + srv_monitor_file = fopen(srv_monitor_file_name, "w+"); + if (!srv_monitor_file) { + fprintf(stderr, "InnoDB: unable to create %s: %s\n", + srv_monitor_file_name, strerror(errno)); + return(DB_ERROR); + } + } else { + srv_monitor_file_name = NULL; + srv_monitor_file = os_file_create_tmpfile(); + if (!srv_monitor_file) { + return(DB_ERROR); + } + } + + mutex_create(&srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION); + + srv_dict_tmpfile = os_file_create_tmpfile(); + if (!srv_dict_tmpfile) { + return(DB_ERROR); + } + + mutex_create(&srv_misc_tmpfile_mutex, SYNC_ANY_LATCH); + + srv_misc_tmpfile = os_file_create_tmpfile(); + if (!srv_misc_tmpfile) { + return(DB_ERROR); + } + + /* If user has set the value of innodb_file_io_threads then + we'll emit a message telling the user that this parameter + is now deprecated. */ + if (srv_n_file_io_threads != 4) { + fprintf(stderr, "InnoDB: Warning:" + " innodb_file_io_threads is deprecated." + " Please use innodb_read_io_threads and" + " innodb_write_io_threads instead\n"); + } + + /* Now overwrite the value on srv_n_file_io_threads */ + srv_n_file_io_threads = 2 + srv_n_read_io_threads + + srv_n_write_io_threads; + + ut_a(srv_n_file_io_threads <= SRV_MAX_N_IO_THREADS); + + /* TODO: Investigate if SRV_N_PENDING_IOS_PER_THREAD (32) limit + still applies to windows. */ + if (!srv_use_native_aio) { + io_limit = 8 * SRV_N_PENDING_IOS_PER_THREAD; + } else { + io_limit = SRV_N_PENDING_IOS_PER_THREAD; + } + + os_aio_init(io_limit, + srv_n_read_io_threads, + srv_n_write_io_threads, + SRV_MAX_N_PENDING_SYNC_IOS); + + fil_init(srv_file_per_table ? 50000 : 5000, + srv_max_n_open_files); + + ret = buf_pool_init(); + + if (ret == NULL) { + fprintf(stderr, + "InnoDB: Fatal error: cannot allocate the memory" + " for the buffer pool\n"); + + return(DB_ERROR); + } + +#ifdef UNIV_DEBUG + /* We have observed deadlocks with a 5MB buffer pool but + the actual lower limit could very well be a little higher. */ + + if (srv_buf_pool_size <= 5 * 1024 * 1024) { + + fprintf(stderr, "InnoDB: Warning: Small buffer pool size " + "(%luM), the flst_validate() debug function " + "can cause a deadlock if the buffer pool fills up.\n", + srv_buf_pool_size / 1024 / 1024); + } +#endif + + fsp_init(); + log_init(); + + lock_sys_create(srv_lock_table_size); + + /* Create i/o-handler threads: */ + + for (i = 0; i < srv_n_file_io_threads; i++) { + n[i] = i; + + os_thread_create(io_handler_thread, n + i, thread_ids + i); + } + +#ifdef UNIV_LOG_ARCHIVE + if (0 != ut_strcmp(srv_log_group_home_dirs[0], srv_arch_dir)) { + fprintf(stderr, + "InnoDB: Error: you must set the log group" + " home dir in my.cnf the\n" + "InnoDB: same as log arch dir.\n"); + + return(DB_ERROR); + } +#endif /* UNIV_LOG_ARCHIVE */ + + if (srv_n_log_files * srv_log_file_size >= 262144) { + fprintf(stderr, + "InnoDB: Error: combined size of log files" + " must be < 4 GB\n"); + + return(DB_ERROR); + } + + sum_of_new_sizes = 0; + + for (i = 0; i < srv_n_data_files; i++) { +#ifndef __WIN__ + if (sizeof(off_t) < 5 && srv_data_file_sizes[i] >= 262144) { + fprintf(stderr, + "InnoDB: Error: file size must be < 4 GB" + " with this MySQL binary\n" + "InnoDB: and operating system combination," + " in some OS's < 2 GB\n"); + + return(DB_ERROR); + } +#endif + sum_of_new_sizes += srv_data_file_sizes[i]; + } + + if (sum_of_new_sizes < 10485760 / UNIV_PAGE_SIZE) { + fprintf(stderr, + "InnoDB: Error: tablespace size must be" + " at least 10 MB\n"); + + return(DB_ERROR); + } + + err = open_or_create_data_files(&create_new_db, +#ifdef UNIV_LOG_ARCHIVE + &min_arch_log_no, &max_arch_log_no, +#endif /* UNIV_LOG_ARCHIVE */ + &min_flushed_lsn, &max_flushed_lsn, + &sum_of_new_sizes); + if (err != DB_SUCCESS) { + fprintf(stderr, + "InnoDB: Could not open or create data files.\n" + "InnoDB: If you tried to add new data files," + " and it failed here,\n" + "InnoDB: you should now edit innodb_data_file_path" + " in my.cnf back\n" + "InnoDB: to what it was, and remove the" + " new ibdata files InnoDB created\n" + "InnoDB: in this failed attempt. InnoDB only wrote" + " those files full of\n" + "InnoDB: zeros, but did not yet use them in any way." + " But be careful: do not\n" + "InnoDB: remove old data files" + " which contain your precious data!\n"); + + return((int) err); + } + +#ifdef UNIV_LOG_ARCHIVE + srv_normalize_path_for_win(srv_arch_dir); + srv_arch_dir = srv_add_path_separator_if_needed(srv_arch_dir); +#endif /* UNIV_LOG_ARCHIVE */ + + for (i = 0; i < srv_n_log_files; i++) { + err = open_or_create_log_file(create_new_db, &log_file_created, + log_opened, 0, i); + if (err != DB_SUCCESS) { + + return((int) err); + } + + if (log_file_created) { + log_created = TRUE; + } else { + log_opened = TRUE; + } + if ((log_opened && create_new_db) + || (log_opened && log_created)) { + fprintf(stderr, + "InnoDB: Error: all log files must be" + " created at the same time.\n" + "InnoDB: All log files must be" + " created also in database creation.\n" + "InnoDB: If you want bigger or smaller" + " log files, shut down the\n" + "InnoDB: database and make sure there" + " were no errors in shutdown.\n" + "InnoDB: Then delete the existing log files." + " Edit the .cnf file\n" + "InnoDB: and start the database again.\n"); + + return(DB_ERROR); + } + } + + /* Open all log files and data files in the system tablespace: we + keep them open until database shutdown */ + + fil_open_log_and_system_tablespace_files(); + + if (log_created && !create_new_db +#ifdef UNIV_LOG_ARCHIVE + && !srv_archive_recovery +#endif /* UNIV_LOG_ARCHIVE */ + ) { + if (max_flushed_lsn != min_flushed_lsn +#ifdef UNIV_LOG_ARCHIVE + || max_arch_log_no != min_arch_log_no +#endif /* UNIV_LOG_ARCHIVE */ + ) { + fprintf(stderr, + "InnoDB: Cannot initialize created" + " log files because\n" + "InnoDB: data files were not in sync" + " with each other\n" + "InnoDB: or the data files are corrupt.\n"); + + return(DB_ERROR); + } + + if (max_flushed_lsn < (ib_uint64_t) 1000) { + fprintf(stderr, + "InnoDB: Cannot initialize created" + " log files because\n" + "InnoDB: data files are corrupt," + " or new data files were\n" + "InnoDB: created when the database" + " was started previous\n" + "InnoDB: time but the database" + " was not shut down\n" + "InnoDB: normally after that.\n"); + + return(DB_ERROR); + } + + mutex_enter(&(log_sys->mutex)); + +#ifdef UNIV_LOG_ARCHIVE + /* Do not + 1 arch_log_no because we do not use log + archiving */ + recv_reset_logs(max_flushed_lsn, max_arch_log_no, TRUE); +#else + recv_reset_logs(max_flushed_lsn, TRUE); +#endif /* UNIV_LOG_ARCHIVE */ + + mutex_exit(&(log_sys->mutex)); + } + + trx_sys_file_format_init(); + + if (create_new_db) { + mtr_start(&mtr); + fsp_header_init(0, sum_of_new_sizes, &mtr); + + mtr_commit(&mtr); + + trx_sys_create(); + dict_create(); + srv_startup_is_before_trx_rollback_phase = FALSE; + +#ifdef UNIV_LOG_ARCHIVE + } else if (srv_archive_recovery) { + fprintf(stderr, + "InnoDB: Starting archive" + " recovery from a backup...\n"); + err = recv_recovery_from_archive_start( + min_flushed_lsn, srv_archive_recovery_limit_lsn, + min_arch_log_no); + if (err != DB_SUCCESS) { + + return(DB_ERROR); + } + /* Since ibuf init is in dict_boot, and ibuf is needed + in any disk i/o, first call dict_boot */ + + dict_boot(); + trx_sys_init_at_db_start(); + srv_startup_is_before_trx_rollback_phase = FALSE; + + /* Initialize the fsp free limit global variable in the log + system */ + fsp_header_get_free_limit(); + + recv_recovery_from_archive_finish(); +#endif /* UNIV_LOG_ARCHIVE */ + } else { + + /* Check if we support the max format that is stamped + on the system tablespace. + Note: We are NOT allowed to make any modifications to + the TRX_SYS_PAGE_NO page before recovery because this + page also contains the max_trx_id etc. important system + variables that are required for recovery. We need to + ensure that we return the system to a state where normal + recovery is guaranteed to work. We do this by + invalidating the buffer cache, this will force the + reread of the page and restoration to its last known + consistent state, this is REQUIRED for the recovery + process to work. */ + err = trx_sys_file_format_max_check( + srv_check_file_format_at_startup); + + if (err != DB_SUCCESS) { + return(err); + } + + /* Invalidate the buffer pool to ensure that we reread + the page that we read above, during recovery. + Note that this is not as heavy weight as it seems. At + this point there will be only ONE page in the buf_LRU + and there must be no page in the buf_flush list. */ + buf_pool_invalidate(); + + /* We always try to do a recovery, even if the database had + been shut down normally: this is the normal startup path */ + + err = recv_recovery_from_checkpoint_start(LOG_CHECKPOINT, + IB_ULONGLONG_MAX, + min_flushed_lsn, + max_flushed_lsn); + if (err != DB_SUCCESS) { + + return(DB_ERROR); + } + + /* Since the insert buffer init is in dict_boot, and the + insert buffer is needed in any disk i/o, first we call + dict_boot(). Note that trx_sys_init_at_db_start() only needs + to access space 0, and the insert buffer at this stage already + works for space 0. */ + + dict_boot(); + trx_sys_init_at_db_start(); + + /* Initialize the fsp free limit global variable in the log + system */ + fsp_header_get_free_limit(); + + /* recv_recovery_from_checkpoint_finish needs trx lists which + are initialized in trx_sys_init_at_db_start(). */ + + recv_recovery_from_checkpoint_finish(); + if (srv_force_recovery < SRV_FORCE_NO_IBUF_MERGE) { + /* The following call is necessary for the insert + buffer to work with multiple tablespaces. We must + know the mapping between space id's and .ibd file + names. + + In a crash recovery, we check that the info in data + dictionary is consistent with what we already know + about space id's from the call of + fil_load_single_table_tablespaces(). + + In a normal startup, we create the space objects for + every table in the InnoDB data dictionary that has + an .ibd file. + + We also determine the maximum tablespace id used. */ + + dict_check_tablespaces_and_store_max_id( + recv_needed_recovery); + } + + srv_startup_is_before_trx_rollback_phase = FALSE; + recv_recovery_rollback_active(); + + /* It is possible that file_format tag has never + been set. In this case we initialize it to minimum + value. Important to note that we can do it ONLY after + we have finished the recovery process so that the + image of TRX_SYS_PAGE_NO is not stale. */ + trx_sys_file_format_tag_init(); + } + + if (!create_new_db && sum_of_new_sizes > 0) { + /* New data file(s) were added */ + mtr_start(&mtr); + + fsp_header_inc_size(0, sum_of_new_sizes, &mtr); + + mtr_commit(&mtr); + + /* Immediately write the log record about increased tablespace + size to disk, so that it is durable even if mysqld would crash + quickly */ + + log_buffer_flush_to_disk(); + } + +#ifdef UNIV_LOG_ARCHIVE + /* Archiving is always off under MySQL */ + if (!srv_log_archive_on) { + ut_a(DB_SUCCESS == log_archive_noarchivelog()); + } else { + mutex_enter(&(log_sys->mutex)); + + start_archive = FALSE; + + if (log_sys->archiving_state == LOG_ARCH_OFF) { + start_archive = TRUE; + } + + mutex_exit(&(log_sys->mutex)); + + if (start_archive) { + ut_a(DB_SUCCESS == log_archive_archivelog()); + } + } +#endif /* UNIV_LOG_ARCHIVE */ + + /* fprintf(stderr, "Max allowed record size %lu\n", + page_get_free_space_of_empty() / 2); */ + + /* Create the thread which watches the timeouts for lock waits */ + os_thread_create(&srv_lock_timeout_thread, NULL, + thread_ids + 2 + SRV_MAX_N_IO_THREADS); + + /* Create the thread which warns of long semaphore waits */ + os_thread_create(&srv_error_monitor_thread, NULL, + thread_ids + 3 + SRV_MAX_N_IO_THREADS); + + /* Create the thread which prints InnoDB monitor info */ + os_thread_create(&srv_monitor_thread, NULL, + thread_ids + 4 + SRV_MAX_N_IO_THREADS); + + srv_is_being_started = FALSE; + + if (trx_doublewrite == NULL) { + /* Create the doublewrite buffer to a new tablespace */ + + trx_sys_create_doublewrite_buf(); + } + + err = dict_create_or_check_foreign_constraint_tables(); + + if (err != DB_SUCCESS) { + return((int)DB_ERROR); + } + + /* Create the master thread which does purge and other utility + operations */ + + os_thread_create(&srv_master_thread, NULL, thread_ids + + (1 + SRV_MAX_N_IO_THREADS)); +#ifdef UNIV_DEBUG + /* buf_debug_prints = TRUE; */ +#endif /* UNIV_DEBUG */ + sum_of_data_file_sizes = 0; + + for (i = 0; i < srv_n_data_files; i++) { + sum_of_data_file_sizes += srv_data_file_sizes[i]; + } + + tablespace_size_in_header = fsp_header_get_tablespace_size(); + + if (!srv_auto_extend_last_data_file + && sum_of_data_file_sizes != tablespace_size_in_header) { + + fprintf(stderr, + "InnoDB: Error: tablespace size" + " stored in header is %lu pages, but\n" + "InnoDB: the sum of data file sizes is %lu pages\n", + (ulong) tablespace_size_in_header, + (ulong) sum_of_data_file_sizes); + + if (srv_force_recovery == 0 + && sum_of_data_file_sizes < tablespace_size_in_header) { + /* This is a fatal error, the tail of a tablespace is + missing */ + + fprintf(stderr, + "InnoDB: Cannot start InnoDB." + " The tail of the system tablespace is\n" + "InnoDB: missing. Have you edited" + " innodb_data_file_path in my.cnf in an\n" + "InnoDB: inappropriate way, removing" + " ibdata files from there?\n" + "InnoDB: You can set innodb_force_recovery=1" + " in my.cnf to force\n" + "InnoDB: a startup if you are trying" + " to recover a badly corrupt database.\n"); + + return(DB_ERROR); + } + } + + if (srv_auto_extend_last_data_file + && sum_of_data_file_sizes < tablespace_size_in_header) { + + fprintf(stderr, + "InnoDB: Error: tablespace size stored in header" + " is %lu pages, but\n" + "InnoDB: the sum of data file sizes" + " is only %lu pages\n", + (ulong) tablespace_size_in_header, + (ulong) sum_of_data_file_sizes); + + if (srv_force_recovery == 0) { + + fprintf(stderr, + "InnoDB: Cannot start InnoDB. The tail of" + " the system tablespace is\n" + "InnoDB: missing. Have you edited" + " innodb_data_file_path in my.cnf in an\n" + "InnoDB: inappropriate way, removing" + " ibdata files from there?\n" + "InnoDB: You can set innodb_force_recovery=1" + " in my.cnf to force\n" + "InnoDB: a startup if you are trying to" + " recover a badly corrupt database.\n"); + + return(DB_ERROR); + } + } + + /* Check that os_fast_mutexes work as expected */ + os_fast_mutex_init(&srv_os_test_mutex); + + if (0 != os_fast_mutex_trylock(&srv_os_test_mutex)) { + fprintf(stderr, + "InnoDB: Error: pthread_mutex_trylock returns" + " an unexpected value on\n" + "InnoDB: success! Cannot continue.\n"); + exit(1); + } + + os_fast_mutex_unlock(&srv_os_test_mutex); + + os_fast_mutex_lock(&srv_os_test_mutex); + + os_fast_mutex_unlock(&srv_os_test_mutex); + + os_fast_mutex_free(&srv_os_test_mutex); + + if (srv_print_verbose_log) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB %s started; " + "log sequence number %llu\n", + INNODB_VERSION_STR, srv_start_lsn); + } + + if (srv_force_recovery > 0) { + fprintf(stderr, + "InnoDB: !!! innodb_force_recovery" + " is set to %lu !!!\n", + (ulong) srv_force_recovery); + } + + fflush(stderr); + + if (trx_doublewrite_must_reset_space_ids) { + /* Actually, we did not change the undo log format between + 4.0 and 4.1.1, and we would not need to run purge to + completion. Note also that the purge algorithm in 4.1.1 + can process the history list again even after a full + purge, because our algorithm does not cut the end of the + history list in all cases so that it would become empty + after a full purge. That mean that we may purge 4.0 type + undo log even after this phase. + + The insert buffer record format changed between 4.0 and + 4.1.1. It is essential that the insert buffer is emptied + here! */ + + fprintf(stderr, + "InnoDB: You are upgrading to an" + " InnoDB version which allows multiple\n" + "InnoDB: tablespaces. Wait that purge" + " and insert buffer merge run to\n" + "InnoDB: completion...\n"); + for (;;) { + os_thread_sleep(1000000); + + if (0 == strcmp(srv_main_thread_op_info, + "waiting for server activity")) { + + ut_a(ibuf_is_empty()); + + break; + } + } + fprintf(stderr, + "InnoDB: Full purge and insert buffer merge" + " completed.\n"); + + trx_sys_mark_upgraded_to_multiple_tablespaces(); + + fprintf(stderr, + "InnoDB: You have now successfully upgraded" + " to the multiple tablespaces\n" + "InnoDB: format. You should NOT DOWNGRADE" + " to an earlier version of\n" + "InnoDB: InnoDB! But if you absolutely need to" + " downgrade, see\n" + "InnoDB: " REFMAN "multiple-tablespaces.html\n" + "InnoDB: for instructions.\n"); + } + + if (srv_force_recovery == 0) { + /* In the insert buffer we may have even bigger tablespace + id's, because we may have dropped those tablespaces, but + insert buffer merge has not had time to clean the records from + the ibuf tree. */ + + ibuf_update_max_tablespace_id(); + } + + srv_file_per_table = srv_file_per_table_original_value; + + srv_was_started = TRUE; + + return((int) DB_SUCCESS); +} + +/****************************************************************//** +Shuts down the InnoDB database. +@return DB_SUCCESS or error code */ +UNIV_INTERN +int +innobase_shutdown_for_mysql(void) +/*=============================*/ +{ + ulint i; +#ifdef __NETWARE__ + extern ibool panic_shutdown; +#endif + if (!srv_was_started) { + if (srv_is_being_started) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: shutting down" + " a not properly started\n" + "InnoDB: or created database!\n"); + } + + return(DB_SUCCESS); + } + + /* 1. Flush the buffer pool to disk, write the current lsn to + the tablespace header(s), and copy all log data to archive. + The step 1 is the real InnoDB shutdown. The remaining steps 2 - ... + just free data structures after the shutdown. */ + + + if (srv_fast_shutdown == 2) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: MySQL has requested a very fast shutdown" + " without flushing " + "the InnoDB buffer pool to data files." + " At the next mysqld startup " + "InnoDB will do a crash recovery!\n"); + } + +#ifdef __NETWARE__ + if (!panic_shutdown) +#endif + logs_empty_and_mark_files_at_shutdown(); + + if (srv_conc_n_threads != 0) { + fprintf(stderr, + "InnoDB: Warning: query counter shows %ld queries" + " still\n" + "InnoDB: inside InnoDB at shutdown\n", + srv_conc_n_threads); + } + + /* 2. Make all threads created by InnoDB to exit */ + + srv_shutdown_state = SRV_SHUTDOWN_EXIT_THREADS; + + /* In a 'very fast' shutdown, we do not need to wait for these threads + to die; all which counts is that we flushed the log; a 'very fast' + shutdown is essentially a crash. */ + + if (srv_fast_shutdown == 2) { + return(DB_SUCCESS); + } + + /* All threads end up waiting for certain events. Put those events + to the signaled state. Then the threads will exit themselves in + os_thread_event_wait(). */ + + for (i = 0; i < 1000; i++) { + /* NOTE: IF YOU CREATE THREADS IN INNODB, YOU MUST EXIT THEM + HERE OR EARLIER */ + + /* a. Let the lock timeout thread exit */ + os_event_set(srv_lock_timeout_thread_event); + + /* b. srv error monitor thread exits automatically, no need + to do anything here */ + + /* c. We wake the master thread so that it exits */ + srv_wake_master_thread(); + + /* d. Exit the i/o threads */ + + os_aio_wake_all_threads_at_shutdown(); + + os_mutex_enter(os_sync_mutex); + + if (os_thread_count == 0) { + /* All the threads have exited or are just exiting; + NOTE that the threads may not have completed their + exit yet. Should we use pthread_join() to make sure + they have exited? If we did, we would have to + remove the pthread_detach() from + os_thread_exit(). Now we just sleep 0.1 + seconds and hope that is enough! */ + + os_mutex_exit(os_sync_mutex); + + os_thread_sleep(100000); + + break; + } + + os_mutex_exit(os_sync_mutex); + + os_thread_sleep(100000); + } + + if (i == 1000) { + fprintf(stderr, + "InnoDB: Warning: %lu threads created by InnoDB" + " had not exited at shutdown!\n", + (ulong) os_thread_count); + } + + if (srv_monitor_file) { + fclose(srv_monitor_file); + srv_monitor_file = 0; + if (srv_monitor_file_name) { + unlink(srv_monitor_file_name); + mem_free(srv_monitor_file_name); + } + } + if (srv_dict_tmpfile) { + fclose(srv_dict_tmpfile); + srv_dict_tmpfile = 0; + } + + if (srv_misc_tmpfile) { + fclose(srv_misc_tmpfile); + srv_misc_tmpfile = 0; + } + + /* This must be disabled before closing the buffer pool + and closing the data dictionary. */ + btr_search_disable(); + + ibuf_close(); + log_shutdown(); + lock_sys_close(); + thr_local_close(); + trx_sys_file_format_close(); + trx_sys_close(); + + mutex_free(&srv_monitor_file_mutex); + mutex_free(&srv_dict_tmpfile_mutex); + mutex_free(&srv_misc_tmpfile_mutex); + dict_close(); + btr_search_sys_free(); + + /* 3. Free all InnoDB's own mutexes and the os_fast_mutexes inside + them */ + os_aio_free(); + sync_close(); + srv_free(); + fil_close(); + + /* 4. Free the os_conc_mutex and all os_events and os_mutexes */ + + os_sync_free(); + + /* 5. Free all allocated memory */ + + pars_lexer_close(); + log_mem_free(); + buf_pool_free(); + ut_free_all_mem(); + mem_close(); + + if (os_thread_count != 0 + || os_event_count != 0 + || os_mutex_count != 0 + || os_fast_mutex_count != 0) { + fprintf(stderr, + "InnoDB: Warning: some resources were not" + " cleaned up in shutdown:\n" + "InnoDB: threads %lu, events %lu," + " os_mutexes %lu, os_fast_mutexes %lu\n", + (ulong) os_thread_count, (ulong) os_event_count, + (ulong) os_mutex_count, (ulong) os_fast_mutex_count); + } + + if (dict_foreign_err_file) { + fclose(dict_foreign_err_file); + } + if (lock_latest_err_file) { + fclose(lock_latest_err_file); + } + + if (srv_print_verbose_log) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Shutdown completed;" + " log sequence number %llu\n", + srv_shutdown_lsn); + } + + srv_was_started = FALSE; + srv_start_has_been_called = FALSE; + + return((int) DB_SUCCESS); +} + +#ifdef __NETWARE__ +void set_panic_flag_for_netware() +{ + extern ibool panic_shutdown; + panic_shutdown = TRUE; +} +#endif /* __NETWARE__ */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/sync/sync0arr.c b/perfschema/sync/sync0arr.c new file mode 100644 index 00000000000..ed9e25bf2f2 --- /dev/null +++ b/perfschema/sync/sync0arr.c @@ -0,0 +1,1022 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file sync/sync0arr.c +The wait array used in synchronization primitives + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +#include "sync0arr.h" +#ifdef UNIV_NONINL +#include "sync0arr.ic" +#endif + +#include "sync0sync.h" +#include "sync0rw.h" +#include "os0sync.h" +#include "os0file.h" +#include "srv0srv.h" + +/* + WAIT ARRAY + ========== + +The wait array consists of cells each of which has an +an operating system event object created for it. The threads +waiting for a mutex, for example, can reserve a cell +in the array and suspend themselves to wait for the event +to become signaled. When using the wait array, remember to make +sure that some thread holding the synchronization object +will eventually know that there is a waiter in the array and +signal the object, to prevent infinite wait. +Why we chose to implement a wait array? First, to make +mutexes fast, we had to code our own implementation of them, +which only in usually uncommon cases resorts to using +slow operating system primitives. Then we had the choice of +assigning a unique OS event for each mutex, which would +be simpler, or using a global wait array. In some operating systems, +the global wait array solution is more efficient and flexible, +because we can do with a very small number of OS events, +say 200. In NT 3.51, allocating events seems to be a quadratic +algorithm, because 10 000 events are created fast, but +100 000 events takes a couple of minutes to create. + +As of 5.0.30 the above mentioned design is changed. Since now +OS can handle millions of wait events efficiently, we no longer +have this concept of each cell of wait array having one event. +Instead, now the event that a thread wants to wait on is embedded +in the wait object (mutex or rw_lock). We still keep the global +wait array for the sake of diagnostics and also to avoid infinite +wait The error_monitor thread scans the global wait array to signal +any waiting threads who have missed the signal. */ + +/** A cell where an individual thread may wait suspended +until a resource is released. The suspending is implemented +using an operating system event semaphore. */ +struct sync_cell_struct { + void* wait_object; /*!< pointer to the object the + thread is waiting for; if NULL + the cell is free for use */ + mutex_t* old_wait_mutex; /*!< the latest wait mutex in cell */ + rw_lock_t* old_wait_rw_lock; + /*!< the latest wait rw-lock + in cell */ + ulint request_type; /*!< lock type requested on the + object */ + const char* file; /*!< in debug version file where + requested */ + ulint line; /*!< in debug version line where + requested */ + os_thread_id_t thread; /*!< thread id of this waiting + thread */ + ibool waiting; /*!< TRUE if the thread has already + called sync_array_event_wait + on this cell */ + ib_int64_t signal_count; /*!< We capture the signal_count + of the wait_object when we + reset the event. This value is + then passed on to os_event_wait + and we wait only if the event + has not been signalled in the + period between the reset and + wait call. */ + time_t reservation_time;/*!< time when the thread reserved + the wait cell */ +}; + +/* NOTE: It is allowed for a thread to wait +for an event allocated for the array without owning the +protecting mutex (depending on the case: OS or database mutex), but +all changes (set or reset) to the state of the event must be made +while owning the mutex. */ + +/** Synchronization array */ +struct sync_array_struct { + ulint n_reserved; /*!< number of currently reserved + cells in the wait array */ + ulint n_cells; /*!< number of cells in the + wait array */ + sync_cell_t* array; /*!< pointer to wait array */ + ulint protection; /*!< this flag tells which + mutex protects the data */ + mutex_t mutex; /*!< possible database mutex + protecting this data structure */ + os_mutex_t os_mutex; /*!< Possible operating system mutex + protecting the data structure. + As this data structure is used in + constructing the database mutex, + to prevent infinite recursion + in implementation, we fall back to + an OS mutex. */ + ulint sg_count; /*!< count of how many times an + object has been signalled */ + ulint res_count; /*!< count of cell reservations + since creation of the array */ +}; + +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +This function is called only in the debug version. Detects a deadlock +of one or more threads because of waits of semaphores. +@return TRUE if deadlock detected */ +static +ibool +sync_array_detect_deadlock( +/*=======================*/ + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must + own the mutex to array */ + sync_cell_t* start, /*!< in: cell where recursive search started */ + sync_cell_t* cell, /*!< in: cell to search */ + ulint depth); /*!< in: recursion depth */ +#endif /* UNIV_SYNC_DEBUG */ + +/*****************************************************************//** +Gets the nth cell in array. +@return cell */ +static +sync_cell_t* +sync_array_get_nth_cell( +/*====================*/ + sync_array_t* arr, /*!< in: sync array */ + ulint n) /*!< in: index */ +{ + ut_a(arr); + ut_a(n < arr->n_cells); + + return(arr->array + n); +} + +/******************************************************************//** +Reserves the mutex semaphore protecting a sync array. */ +static +void +sync_array_enter( +/*=============*/ + sync_array_t* arr) /*!< in: sync wait array */ +{ + ulint protection; + + protection = arr->protection; + + if (protection == SYNC_ARRAY_OS_MUTEX) { + os_mutex_enter(arr->os_mutex); + } else if (protection == SYNC_ARRAY_MUTEX) { + mutex_enter(&(arr->mutex)); + } else { + ut_error; + } +} + +/******************************************************************//** +Releases the mutex semaphore protecting a sync array. */ +static +void +sync_array_exit( +/*============*/ + sync_array_t* arr) /*!< in: sync wait array */ +{ + ulint protection; + + protection = arr->protection; + + if (protection == SYNC_ARRAY_OS_MUTEX) { + os_mutex_exit(arr->os_mutex); + } else if (protection == SYNC_ARRAY_MUTEX) { + mutex_exit(&(arr->mutex)); + } else { + ut_error; + } +} + +/*******************************************************************//** +Creates a synchronization wait array. It is protected by a mutex +which is automatically reserved when the functions operating on it +are called. +@return own: created wait array */ +UNIV_INTERN +sync_array_t* +sync_array_create( +/*==============*/ + ulint n_cells, /*!< in: number of cells in the array + to create */ + ulint protection) /*!< in: either SYNC_ARRAY_OS_MUTEX or + SYNC_ARRAY_MUTEX: determines the type + of mutex protecting the data structure */ +{ + ulint sz; + sync_array_t* arr; + + ut_a(n_cells > 0); + + /* Allocate memory for the data structures */ + arr = ut_malloc(sizeof(sync_array_t)); + memset(arr, 0x0, sizeof(*arr)); + + sz = sizeof(sync_cell_t) * n_cells; + arr->array = ut_malloc(sz); + memset(arr->array, 0x0, sz); + + arr->n_cells = n_cells; + arr->protection = protection; + + /* Then create the mutex to protect the wait array complex */ + if (protection == SYNC_ARRAY_OS_MUTEX) { + arr->os_mutex = os_mutex_create(NULL); + } else if (protection == SYNC_ARRAY_MUTEX) { + mutex_create(&arr->mutex, SYNC_NO_ORDER_CHECK); + } else { + ut_error; + } + + return(arr); +} + +/******************************************************************//** +Frees the resources in a wait array. */ +UNIV_INTERN +void +sync_array_free( +/*============*/ + sync_array_t* arr) /*!< in, own: sync wait array */ +{ + ulint protection; + + ut_a(arr->n_reserved == 0); + + sync_array_validate(arr); + + protection = arr->protection; + + /* Release the mutex protecting the wait array complex */ + + if (protection == SYNC_ARRAY_OS_MUTEX) { + os_mutex_free(arr->os_mutex); + } else if (protection == SYNC_ARRAY_MUTEX) { + mutex_free(&(arr->mutex)); + } else { + ut_error; + } + + ut_free(arr->array); + ut_free(arr); +} + +/********************************************************************//** +Validates the integrity of the wait array. Checks +that the number of reserved cells equals the count variable. */ +UNIV_INTERN +void +sync_array_validate( +/*================*/ + sync_array_t* arr) /*!< in: sync wait array */ +{ + ulint i; + sync_cell_t* cell; + ulint count = 0; + + sync_array_enter(arr); + + for (i = 0; i < arr->n_cells; i++) { + cell = sync_array_get_nth_cell(arr, i); + if (cell->wait_object != NULL) { + count++; + } + } + + ut_a(count == arr->n_reserved); + + sync_array_exit(arr); +} + +/*******************************************************************//** +Returns the event that the thread owning the cell waits for. */ +static +os_event_t +sync_cell_get_event( +/*================*/ + sync_cell_t* cell) /*!< in: non-empty sync array cell */ +{ + ulint type = cell->request_type; + + if (type == SYNC_MUTEX) { + return(((mutex_t *) cell->wait_object)->event); + } else if (type == RW_LOCK_WAIT_EX) { + return(((rw_lock_t *) cell->wait_object)->wait_ex_event); + } else { /* RW_LOCK_SHARED and RW_LOCK_EX wait on the same event */ + return(((rw_lock_t *) cell->wait_object)->event); + } +} + +/******************************************************************//** +Reserves a wait array cell for waiting for an object. +The event of the cell is reset to nonsignalled state. */ +UNIV_INTERN +void +sync_array_reserve_cell( +/*====================*/ + sync_array_t* arr, /*!< in: wait array */ + void* object, /*!< in: pointer to the object to wait for */ + ulint type, /*!< in: lock request type */ + const char* file, /*!< in: file where requested */ + ulint line, /*!< in: line where requested */ + ulint* index) /*!< out: index of the reserved cell */ +{ + sync_cell_t* cell; + os_event_t event; + ulint i; + + ut_a(object); + ut_a(index); + + sync_array_enter(arr); + + arr->res_count++; + + /* Reserve a new cell. */ + for (i = 0; i < arr->n_cells; i++) { + cell = sync_array_get_nth_cell(arr, i); + + if (cell->wait_object == NULL) { + + cell->waiting = FALSE; + cell->wait_object = object; + + if (type == SYNC_MUTEX) { + cell->old_wait_mutex = object; + } else { + cell->old_wait_rw_lock = object; + } + + cell->request_type = type; + + cell->file = file; + cell->line = line; + + arr->n_reserved++; + + *index = i; + + sync_array_exit(arr); + + /* Make sure the event is reset and also store + the value of signal_count at which the event + was reset. */ + event = sync_cell_get_event(cell); + cell->signal_count = os_event_reset(event); + + cell->reservation_time = time(NULL); + + cell->thread = os_thread_get_curr_id(); + + return; + } + } + + ut_error; /* No free cell found */ + + return; +} + +/******************************************************************//** +This function should be called when a thread starts to wait on +a wait array cell. In the debug version this function checks +if the wait for a semaphore will result in a deadlock, in which +case prints info and asserts. */ +UNIV_INTERN +void +sync_array_wait_event( +/*==================*/ + sync_array_t* arr, /*!< in: wait array */ + ulint index) /*!< in: index of the reserved cell */ +{ + sync_cell_t* cell; + os_event_t event; + + ut_a(arr); + + sync_array_enter(arr); + + cell = sync_array_get_nth_cell(arr, index); + + ut_a(cell->wait_object); + ut_a(!cell->waiting); + ut_ad(os_thread_get_curr_id() == cell->thread); + + event = sync_cell_get_event(cell); + cell->waiting = TRUE; + +#ifdef UNIV_SYNC_DEBUG + + /* We use simple enter to the mutex below, because if + we cannot acquire it at once, mutex_enter would call + recursively sync_array routines, leading to trouble. + rw_lock_debug_mutex freezes the debug lists. */ + + rw_lock_debug_mutex_enter(); + + if (TRUE == sync_array_detect_deadlock(arr, cell, cell, 0)) { + + fputs("########################################\n", stderr); + ut_error; + } + + rw_lock_debug_mutex_exit(); +#endif + sync_array_exit(arr); + + os_event_wait_low(event, cell->signal_count); + + sync_array_free_cell(arr, index); +} + +/******************************************************************//** +Reports info of a wait array cell. */ +static +void +sync_array_cell_print( +/*==================*/ + FILE* file, /*!< in: file where to print */ + sync_cell_t* cell) /*!< in: sync cell */ +{ + mutex_t* mutex; + rw_lock_t* rwlock; + ulint type; + ulint writer; + + type = cell->request_type; + + fprintf(file, + "--Thread %lu has waited at %s line %lu" + " for %.2f seconds the semaphore:\n", + (ulong) os_thread_pf(cell->thread), cell->file, + (ulong) cell->line, + difftime(time(NULL), cell->reservation_time)); + + if (type == SYNC_MUTEX) { + /* We use old_wait_mutex in case the cell has already + been freed meanwhile */ + mutex = cell->old_wait_mutex; + + fprintf(file, + "Mutex at %p created file %s line %lu, lock var %lu\n" +#ifdef UNIV_SYNC_DEBUG + "Last time reserved in file %s line %lu, " +#endif /* UNIV_SYNC_DEBUG */ + "waiters flag %lu\n", + (void*) mutex, mutex->cfile_name, (ulong) mutex->cline, + (ulong) mutex->lock_word, +#ifdef UNIV_SYNC_DEBUG + mutex->file_name, (ulong) mutex->line, +#endif /* UNIV_SYNC_DEBUG */ + (ulong) mutex->waiters); + + } else if (type == RW_LOCK_EX + || type == RW_LOCK_WAIT_EX + || type == RW_LOCK_SHARED) { + + fputs(type == RW_LOCK_EX ? "X-lock on" : "S-lock on", file); + + rwlock = cell->old_wait_rw_lock; + + fprintf(file, + " RW-latch at %p created in file %s line %lu\n", + (void*) rwlock, rwlock->cfile_name, + (ulong) rwlock->cline); + writer = rw_lock_get_writer(rwlock); + if (writer != RW_LOCK_NOT_LOCKED) { + fprintf(file, + "a writer (thread id %lu) has" + " reserved it in mode %s", + (ulong) os_thread_pf(rwlock->writer_thread), + writer == RW_LOCK_EX + ? " exclusive\n" + : " wait exclusive\n"); + } + + fprintf(file, + "number of readers %lu, waiters flag %lu, " + "lock_word: %lx\n" + "Last time read locked in file %s line %lu\n" + "Last time write locked in file %s line %lu\n", + (ulong) rw_lock_get_reader_count(rwlock), + (ulong) rwlock->waiters, + rwlock->lock_word, + rwlock->last_s_file_name, + (ulong) rwlock->last_s_line, + rwlock->last_x_file_name, + (ulong) rwlock->last_x_line); + } else { + ut_error; + } + + if (!cell->waiting) { + fputs("wait has ended\n", file); + } +} + +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Looks for a cell with the given thread id. +@return pointer to cell or NULL if not found */ +static +sync_cell_t* +sync_array_find_thread( +/*===================*/ + sync_array_t* arr, /*!< in: wait array */ + os_thread_id_t thread) /*!< in: thread id */ +{ + ulint i; + sync_cell_t* cell; + + for (i = 0; i < arr->n_cells; i++) { + + cell = sync_array_get_nth_cell(arr, i); + + if (cell->wait_object != NULL + && os_thread_eq(cell->thread, thread)) { + + return(cell); /* Found */ + } + } + + return(NULL); /* Not found */ +} + +/******************************************************************//** +Recursion step for deadlock detection. +@return TRUE if deadlock detected */ +static +ibool +sync_array_deadlock_step( +/*=====================*/ + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must + own the mutex to array */ + sync_cell_t* start, /*!< in: cell where recursive search + started */ + os_thread_id_t thread, /*!< in: thread to look at */ + ulint pass, /*!< in: pass value */ + ulint depth) /*!< in: recursion depth */ +{ + sync_cell_t* new; + ibool ret; + + depth++; + + if (pass != 0) { + /* If pass != 0, then we do not know which threads are + responsible of releasing the lock, and no deadlock can + be detected. */ + + return(FALSE); + } + + new = sync_array_find_thread(arr, thread); + + if (new == start) { + /* Stop running of other threads */ + + ut_dbg_stop_threads = TRUE; + + /* Deadlock */ + fputs("########################################\n" + "DEADLOCK of threads detected!\n", stderr); + + return(TRUE); + + } else if (new) { + ret = sync_array_detect_deadlock(arr, start, new, depth); + + if (ret) { + return(TRUE); + } + } + return(FALSE); +} + +/******************************************************************//** +This function is called only in the debug version. Detects a deadlock +of one or more threads because of waits of semaphores. +@return TRUE if deadlock detected */ +static +ibool +sync_array_detect_deadlock( +/*=======================*/ + sync_array_t* arr, /*!< in: wait array; NOTE! the caller must + own the mutex to array */ + sync_cell_t* start, /*!< in: cell where recursive search started */ + sync_cell_t* cell, /*!< in: cell to search */ + ulint depth) /*!< in: recursion depth */ +{ + mutex_t* mutex; + rw_lock_t* lock; + os_thread_id_t thread; + ibool ret; + rw_lock_debug_t*debug; + + ut_a(arr); + ut_a(start); + ut_a(cell); + ut_ad(cell->wait_object); + ut_ad(os_thread_get_curr_id() == start->thread); + ut_ad(depth < 100); + + depth++; + + if (!cell->waiting) { + + return(FALSE); /* No deadlock here */ + } + + if (cell->request_type == SYNC_MUTEX) { + + mutex = cell->wait_object; + + if (mutex_get_lock_word(mutex) != 0) { + + thread = mutex->thread_id; + + /* Note that mutex->thread_id above may be + also OS_THREAD_ID_UNDEFINED, because the + thread which held the mutex maybe has not + yet updated the value, or it has already + released the mutex: in this case no deadlock + can occur, as the wait array cannot contain + a thread with ID_UNDEFINED value. */ + + ret = sync_array_deadlock_step(arr, start, thread, 0, + depth); + if (ret) { + fprintf(stderr, + "Mutex %p owned by thread %lu file %s line %lu\n", + mutex, (ulong) os_thread_pf(mutex->thread_id), + mutex->file_name, (ulong) mutex->line); + sync_array_cell_print(stderr, cell); + + return(TRUE); + } + } + + return(FALSE); /* No deadlock */ + + } else if (cell->request_type == RW_LOCK_EX + || cell->request_type == RW_LOCK_WAIT_EX) { + + lock = cell->wait_object; + + debug = UT_LIST_GET_FIRST(lock->debug_list); + + while (debug != NULL) { + + thread = debug->thread_id; + + if (((debug->lock_type == RW_LOCK_EX) + && !os_thread_eq(thread, cell->thread)) + || ((debug->lock_type == RW_LOCK_WAIT_EX) + && !os_thread_eq(thread, cell->thread)) + || (debug->lock_type == RW_LOCK_SHARED)) { + + /* The (wait) x-lock request can block + infinitely only if someone (can be also cell + thread) is holding s-lock, or someone + (cannot be cell thread) (wait) x-lock, and + he is blocked by start thread */ + + ret = sync_array_deadlock_step( + arr, start, thread, debug->pass, + depth); + if (ret) { +print: + fprintf(stderr, "rw-lock %p ", + (void*) lock); + sync_array_cell_print(stderr, cell); + rw_lock_debug_print(debug); + return(TRUE); + } + } + + debug = UT_LIST_GET_NEXT(list, debug); + } + + return(FALSE); + + } else if (cell->request_type == RW_LOCK_SHARED) { + + lock = cell->wait_object; + debug = UT_LIST_GET_FIRST(lock->debug_list); + + while (debug != NULL) { + + thread = debug->thread_id; + + if ((debug->lock_type == RW_LOCK_EX) + || (debug->lock_type == RW_LOCK_WAIT_EX)) { + + /* The s-lock request can block infinitely + only if someone (can also be cell thread) is + holding (wait) x-lock, and he is blocked by + start thread */ + + ret = sync_array_deadlock_step( + arr, start, thread, debug->pass, + depth); + if (ret) { + goto print; + } + } + + debug = UT_LIST_GET_NEXT(list, debug); + } + + return(FALSE); + + } else { + ut_error; + } + + return(TRUE); /* Execution never reaches this line: for compiler + fooling only */ +} +#endif /* UNIV_SYNC_DEBUG */ + +/******************************************************************//** +Determines if we can wake up the thread waiting for a sempahore. */ +static +ibool +sync_arr_cell_can_wake_up( +/*======================*/ + sync_cell_t* cell) /*!< in: cell to search */ +{ + mutex_t* mutex; + rw_lock_t* lock; + + if (cell->request_type == SYNC_MUTEX) { + + mutex = cell->wait_object; + + if (mutex_get_lock_word(mutex) == 0) { + + return(TRUE); + } + + } else if (cell->request_type == RW_LOCK_EX) { + + lock = cell->wait_object; + + if (lock->lock_word > 0) { + /* Either unlocked or only read locked. */ + + return(TRUE); + } + + } else if (cell->request_type == RW_LOCK_WAIT_EX) { + + lock = cell->wait_object; + + /* lock_word == 0 means all readers have left */ + if (lock->lock_word == 0) { + + return(TRUE); + } + } else if (cell->request_type == RW_LOCK_SHARED) { + lock = cell->wait_object; + + /* lock_word > 0 means no writer or reserved writer */ + if (lock->lock_word > 0) { + + return(TRUE); + } + } + + return(FALSE); +} + +/******************************************************************//** +Frees the cell. NOTE! sync_array_wait_event frees the cell +automatically! */ +UNIV_INTERN +void +sync_array_free_cell( +/*=================*/ + sync_array_t* arr, /*!< in: wait array */ + ulint index) /*!< in: index of the cell in array */ +{ + sync_cell_t* cell; + + sync_array_enter(arr); + + cell = sync_array_get_nth_cell(arr, index); + + ut_a(cell->wait_object != NULL); + + cell->waiting = FALSE; + cell->wait_object = NULL; + cell->signal_count = 0; + + ut_a(arr->n_reserved > 0); + arr->n_reserved--; + + sync_array_exit(arr); +} + +/**********************************************************************//** +Increments the signalled count. */ +UNIV_INTERN +void +sync_array_object_signalled( +/*========================*/ + sync_array_t* arr) /*!< in: wait array */ +{ +#ifdef HAVE_ATOMIC_BUILTINS + (void) os_atomic_increment_ulint(&arr->sg_count, 1); +#else + sync_array_enter(arr); + + arr->sg_count++; + + sync_array_exit(arr); +#endif +} + +/**********************************************************************//** +If the wakeup algorithm does not work perfectly at semaphore relases, +this function will do the waking (see the comment in mutex_exit). This +function should be called about every 1 second in the server. + +Note that there's a race condition between this thread and mutex_exit +changing the lock_word and calling signal_object, so sometimes this finds +threads to wake up even when nothing has gone wrong. */ +UNIV_INTERN +void +sync_arr_wake_threads_if_sema_free(void) +/*====================================*/ +{ + sync_array_t* arr = sync_primary_wait_array; + sync_cell_t* cell; + ulint count; + ulint i; + os_event_t event; + + sync_array_enter(arr); + + i = 0; + count = 0; + + while (count < arr->n_reserved) { + + cell = sync_array_get_nth_cell(arr, i); + i++; + + if (cell->wait_object == NULL) { + continue; + } + count++; + + if (sync_arr_cell_can_wake_up(cell)) { + + event = sync_cell_get_event(cell); + + os_event_set(event); + } + + } + + sync_array_exit(arr); +} + +/**********************************************************************//** +Prints warnings of long semaphore waits to stderr. +@return TRUE if fatal semaphore wait threshold was exceeded */ +UNIV_INTERN +ibool +sync_array_print_long_waits(void) +/*=============================*/ +{ + sync_cell_t* cell; + ibool old_val; + ibool noticed = FALSE; + ulint i; + ulint fatal_timeout = srv_fatal_semaphore_wait_threshold; + ibool fatal = FALSE; + + for (i = 0; i < sync_primary_wait_array->n_cells; i++) { + + cell = sync_array_get_nth_cell(sync_primary_wait_array, i); + + if (cell->wait_object != NULL && cell->waiting + && difftime(time(NULL), cell->reservation_time) > 240) { + fputs("InnoDB: Warning: a long semaphore wait:\n", + stderr); + sync_array_cell_print(stderr, cell); + noticed = TRUE; + } + + if (cell->wait_object != NULL && cell->waiting + && difftime(time(NULL), cell->reservation_time) + > fatal_timeout) { + fatal = TRUE; + } + } + + if (noticed) { + fprintf(stderr, + "InnoDB: ###### Starts InnoDB Monitor" + " for 30 secs to print diagnostic info:\n"); + old_val = srv_print_innodb_monitor; + + /* If some crucial semaphore is reserved, then also the InnoDB + Monitor can hang, and we do not get diagnostics. Since in + many cases an InnoDB hang is caused by a pwrite() or a pread() + call hanging inside the operating system, let us print right + now the values of pending calls of these. */ + + fprintf(stderr, + "InnoDB: Pending preads %lu, pwrites %lu\n", + (ulong)os_file_n_pending_preads, + (ulong)os_file_n_pending_pwrites); + + srv_print_innodb_monitor = TRUE; + os_event_set(srv_lock_timeout_thread_event); + + os_thread_sleep(30000000); + + srv_print_innodb_monitor = old_val; + fprintf(stderr, + "InnoDB: ###### Diagnostic info printed" + " to the standard error stream\n"); + } + + return(fatal); +} + +/**********************************************************************//** +Prints info of the wait array. */ +static +void +sync_array_output_info( +/*===================*/ + FILE* file, /*!< in: file where to print */ + sync_array_t* arr) /*!< in: wait array; NOTE! caller must own the + mutex */ +{ + sync_cell_t* cell; + ulint count; + ulint i; + + fprintf(file, + "OS WAIT ARRAY INFO: reservation count %ld, signal count %ld\n", + (long) arr->res_count, (long) arr->sg_count); + i = 0; + count = 0; + + while (count < arr->n_reserved) { + + cell = sync_array_get_nth_cell(arr, i); + + if (cell->wait_object != NULL) { + count++; + sync_array_cell_print(file, cell); + } + + i++; + } +} + +/**********************************************************************//** +Prints info of the wait array. */ +UNIV_INTERN +void +sync_array_print_info( +/*==================*/ + FILE* file, /*!< in: file where to print */ + sync_array_t* arr) /*!< in: wait array */ +{ + sync_array_enter(arr); + + sync_array_output_info(file, arr); + + sync_array_exit(arr); +} diff --git a/perfschema/sync/sync0rw.c b/perfschema/sync/sync0rw.c new file mode 100644 index 00000000000..d231b6acdf7 --- /dev/null +++ b/perfschema/sync/sync0rw.c @@ -0,0 +1,1042 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file sync/sync0rw.c +The read-write lock (for thread synchronization) + +Created 9/11/1995 Heikki Tuuri +*******************************************************/ + +#include "sync0rw.h" +#ifdef UNIV_NONINL +#include "sync0rw.ic" +#endif + +#include "os0thread.h" +#include "mem0mem.h" +#include "srv0srv.h" +#include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ + +/* + IMPLEMENTATION OF THE RW_LOCK + ============================= +The status of a rw_lock is held in lock_word. The initial value of lock_word is +X_LOCK_DECR. lock_word is decremented by 1 for each s-lock and by X_LOCK_DECR +for each x-lock. This describes the lock state for each value of lock_word: + +lock_word == X_LOCK_DECR: Unlocked. +0 < lock_word < X_LOCK_DECR: Read locked, no waiting writers. + (X_LOCK_DECR - lock_word) is the + number of readers that hold the lock. +lock_word == 0: Write locked +-X_LOCK_DECR < lock_word < 0: Read locked, with a waiting writer. + (-lock_word) is the number of readers + that hold the lock. +lock_word <= -X_LOCK_DECR: Recursively write locked. lock_word has been + decremented by X_LOCK_DECR once for each lock, + so the number of locks is: + ((-lock_word) / X_LOCK_DECR) + 1 +When lock_word <= -X_LOCK_DECR, we also know that lock_word % X_LOCK_DECR == 0: +other values of lock_word are invalid. + +The lock_word is always read and updated atomically and consistently, so that +it always represents the state of the lock, and the state of the lock changes +with a single atomic operation. This lock_word holds all of the information +that a thread needs in order to determine if it is eligible to gain the lock +or if it must spin or sleep. The one exception to this is that writer_thread +must be verified before recursive write locks: to solve this scenario, we make +writer_thread readable by all threads, but only writeable by the x-lock holder. + +The other members of the lock obey the following rules to remain consistent: + +recursive: This and the writer_thread field together control the + behaviour of recursive x-locking. + lock->recursive must be FALSE in following states: + 1) The writer_thread contains garbage i.e.: the + lock has just been initialized. + 2) The lock is not x-held and there is no + x-waiter waiting on WAIT_EX event. + 3) The lock is x-held or there is an x-waiter + waiting on WAIT_EX event but the 'pass' value + is non-zero. + lock->recursive is TRUE iff: + 1) The lock is x-held or there is an x-waiter + waiting on WAIT_EX event and the 'pass' value + is zero. + This flag must be set after the writer_thread field + has been updated with a memory ordering barrier. + It is unset before the lock_word has been incremented. +writer_thread: Is used only in recursive x-locking. Can only be safely + read iff lock->recursive flag is TRUE. + This field is uninitialized at lock creation time and + is updated atomically when x-lock is acquired or when + move_ownership is called. A thread is only allowed to + set the value of this field to it's thread_id i.e.: a + thread cannot set writer_thread to some other thread's + id. +waiters: May be set to 1 anytime, but to avoid unnecessary wake-up + signals, it should only be set to 1 when there are threads + waiting on event. Must be 1 when a writer starts waiting to + ensure the current x-locking thread sends a wake-up signal + during unlock. May only be reset to 0 immediately before a + a wake-up signal is sent to event. On most platforms, a + memory barrier is required after waiters is set, and before + verifying lock_word is still held, to ensure some unlocker + really does see the flags new value. +event: Threads wait on event for read or writer lock when another + thread has an x-lock or an x-lock reservation (wait_ex). A + thread may only wait on event after performing the following + actions in order: + (1) Record the counter value of event (with os_event_reset). + (2) Set waiters to 1. + (3) Verify lock_word <= 0. + (1) must come before (2) to ensure signal is not missed. + (2) must come before (3) to ensure a signal is sent. + These restrictions force the above ordering. + Immediately before sending the wake-up signal, we should: + (1) Verify lock_word == X_LOCK_DECR (unlocked) + (2) Reset waiters to 0. +wait_ex_event: A thread may only wait on the wait_ex_event after it has + performed the following actions in order: + (1) Decrement lock_word by X_LOCK_DECR. + (2) Record counter value of wait_ex_event (os_event_reset, + called from sync_array_reserve_cell). + (3) Verify that lock_word < 0. + (1) must come first to ensures no other threads become reader + or next writer, and notifies unlocker that signal must be sent. + (2) must come before (3) to ensure the signal is not missed. + These restrictions force the above ordering. + Immediately before sending the wake-up signal, we should: + Verify lock_word == 0 (waiting thread holds x_lock) +*/ + + +/** number of spin waits on rw-latches, +resulted during shared (read) locks */ +UNIV_INTERN ib_int64_t rw_s_spin_wait_count = 0; +/** number of spin loop rounds on rw-latches, +resulted during shared (read) locks */ +UNIV_INTERN ib_int64_t rw_s_spin_round_count = 0; + +/** number of OS waits on rw-latches, +resulted during shared (read) locks */ +UNIV_INTERN ib_int64_t rw_s_os_wait_count = 0; + +/** number of unlocks (that unlock shared locks), +set only when UNIV_SYNC_PERF_STAT is defined */ +UNIV_INTERN ib_int64_t rw_s_exit_count = 0; + +/** number of spin waits on rw-latches, +resulted during exclusive (write) locks */ +UNIV_INTERN ib_int64_t rw_x_spin_wait_count = 0; +/** number of spin loop rounds on rw-latches, +resulted during exclusive (write) locks */ +UNIV_INTERN ib_int64_t rw_x_spin_round_count = 0; + +/** number of OS waits on rw-latches, +resulted during exclusive (write) locks */ +UNIV_INTERN ib_int64_t rw_x_os_wait_count = 0; + +/** number of unlocks (that unlock exclusive locks), +set only when UNIV_SYNC_PERF_STAT is defined */ +UNIV_INTERN ib_int64_t rw_x_exit_count = 0; + +/* The global list of rw-locks */ +UNIV_INTERN rw_lock_list_t rw_lock_list; +UNIV_INTERN mutex_t rw_lock_list_mutex; + +#ifdef UNIV_SYNC_DEBUG +/* The global mutex which protects debug info lists of all rw-locks. +To modify the debug info list of an rw-lock, this mutex has to be +acquired in addition to the mutex protecting the lock. */ + +UNIV_INTERN mutex_t rw_lock_debug_mutex; +/* If deadlock detection does not get immediately the mutex, +it may wait for this event */ +UNIV_INTERN os_event_t rw_lock_debug_event; +/* This is set to TRUE, if there may be waiters for the event */ +UNIV_INTERN ibool rw_lock_debug_waiters; + +/******************************************************************//** +Creates a debug info struct. */ +static +rw_lock_debug_t* +rw_lock_debug_create(void); +/*======================*/ +/******************************************************************//** +Frees a debug info struct. */ +static +void +rw_lock_debug_free( +/*===============*/ + rw_lock_debug_t* info); + +/******************************************************************//** +Creates a debug info struct. +@return own: debug info struct */ +static +rw_lock_debug_t* +rw_lock_debug_create(void) +/*======================*/ +{ + return((rw_lock_debug_t*) mem_alloc(sizeof(rw_lock_debug_t))); +} + +/******************************************************************//** +Frees a debug info struct. */ +static +void +rw_lock_debug_free( +/*===============*/ + rw_lock_debug_t* info) +{ + mem_free(info); +} +#endif /* UNIV_SYNC_DEBUG */ + +/******************************************************************//** +Creates, or rather, initializes an rw-lock object in a specified memory +location (which must be appropriately aligned). The rw-lock is initialized +to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free +is necessary only if the memory block containing it is freed. */ +UNIV_INTERN +void +rw_lock_create_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to memory */ +#ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ + const char* cmutex_name, /*!< in: mutex name */ +#endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ +{ + /* If this is the very first time a synchronization object is + created, then the following call initializes the sync system. */ + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK); + + lock->mutex.cfile_name = cfile_name; + lock->mutex.cline = cline; + + ut_d(lock->mutex.cmutex_name = cmutex_name); + ut_d(lock->mutex.mutex_type = 1); +#else /* INNODB_RW_LOCKS_USE_ATOMICS */ +# ifdef UNIV_DEBUG + UT_NOT_USED(cmutex_name); +# endif +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ + + lock->lock_word = X_LOCK_DECR; + lock->waiters = 0; + + /* We set this value to signify that lock->writer_thread + contains garbage at initialization and cannot be used for + recursive x-locking. */ + lock->recursive = FALSE; + +#ifdef UNIV_SYNC_DEBUG + UT_LIST_INIT(lock->debug_list); + + lock->level = level; +#endif /* UNIV_SYNC_DEBUG */ + + lock->magic_n = RW_LOCK_MAGIC_N; + + lock->cfile_name = cfile_name; + lock->cline = (unsigned int) cline; + + lock->count_os_wait = 0; + lock->last_s_file_name = "not yet reserved"; + lock->last_x_file_name = "not yet reserved"; + lock->last_s_line = 0; + lock->last_x_line = 0; + lock->event = os_event_create(NULL); + lock->wait_ex_event = os_event_create(NULL); + + mutex_enter(&rw_lock_list_mutex); + + if (UT_LIST_GET_LEN(rw_lock_list) > 0) { + ut_a(UT_LIST_GET_FIRST(rw_lock_list)->magic_n + == RW_LOCK_MAGIC_N); + } + + UT_LIST_ADD_FIRST(list, rw_lock_list, lock); + + mutex_exit(&rw_lock_list_mutex); +} + +/******************************************************************//** +Calling this function is obligatory only if the memory buffer containing +the rw-lock is freed. Removes an rw-lock object from the global list. The +rw-lock is checked to be in the non-locked state. */ +UNIV_INTERN +void +rw_lock_free( +/*=========*/ + rw_lock_t* lock) /*!< in: rw-lock */ +{ + ut_ad(rw_lock_validate(lock)); + ut_a(lock->lock_word == X_LOCK_DECR); + + lock->magic_n = 0; + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_free(rw_lock_get_mutex(lock)); +#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ + + mutex_enter(&rw_lock_list_mutex); + os_event_free(lock->event); + + os_event_free(lock->wait_ex_event); + + if (UT_LIST_GET_PREV(list, lock)) { + ut_a(UT_LIST_GET_PREV(list, lock)->magic_n == RW_LOCK_MAGIC_N); + } + if (UT_LIST_GET_NEXT(list, lock)) { + ut_a(UT_LIST_GET_NEXT(list, lock)->magic_n == RW_LOCK_MAGIC_N); + } + + UT_LIST_REMOVE(list, rw_lock_list, lock); + + mutex_exit(&rw_lock_list_mutex); +} + +#ifdef UNIV_DEBUG +/******************************************************************//** +Checks that the rw-lock has been initialized and that there are no +simultaneous shared and exclusive locks. +@return TRUE */ +UNIV_INTERN +ibool +rw_lock_validate( +/*=============*/ + rw_lock_t* lock) /*!< in: rw-lock */ +{ + ut_a(lock); + + ulint waiters = rw_lock_get_waiters(lock); + lint lock_word = lock->lock_word; + + ut_a(lock->magic_n == RW_LOCK_MAGIC_N); + ut_a(waiters == 0 || waiters == 1); + ut_a(lock_word > -X_LOCK_DECR ||(-lock_word) % X_LOCK_DECR == 0); + + return(TRUE); +} +#endif /* UNIV_DEBUG */ + +/******************************************************************//** +Lock an rw-lock in shared mode for the current thread. If the rw-lock is +locked in exclusive mode, or there is an exclusive lock request waiting, +the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting +for the lock, before suspending the thread. */ +UNIV_INTERN +void +rw_lock_s_lock_spin( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock + will be passed to another thread to unlock */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + ulint index; /* index of the reserved wait cell */ + ulint i = 0; /* spin round count */ + + ut_ad(rw_lock_validate(lock)); + + rw_s_spin_wait_count++; /*!< Count calls to this function */ +lock_loop: + + /* Spin waiting for the writer field to become free */ + while (i < SYNC_SPIN_ROUNDS && lock->lock_word <= 0) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); + } + + i++; + } + + if (i == SYNC_SPIN_ROUNDS) { + os_thread_yield(); + } + + if (srv_print_latch_waits) { + fprintf(stderr, + "Thread %lu spin wait rw-s-lock at %p" + " cfile %s cline %lu rnds %lu\n", + (ulong) os_thread_pf(os_thread_get_curr_id()), + (void*) lock, + lock->cfile_name, (ulong) lock->cline, (ulong) i); + } + + /* We try once again to obtain the lock */ + if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { + rw_s_spin_round_count += i; + + return; /* Success */ + } else { + + if (i < SYNC_SPIN_ROUNDS) { + goto lock_loop; + } + + rw_s_spin_round_count += i; + + sync_array_reserve_cell(sync_primary_wait_array, + lock, RW_LOCK_SHARED, + file_name, line, + &index); + + /* Set waiters before checking lock_word to ensure wake-up + signal is sent. This may lead to some unnecessary signals. */ + rw_lock_set_waiter_flag(lock); + + if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { + sync_array_free_cell(sync_primary_wait_array, index); + return; /* Success */ + } + + if (srv_print_latch_waits) { + fprintf(stderr, + "Thread %lu OS wait rw-s-lock at %p" + " cfile %s cline %lu\n", + os_thread_pf(os_thread_get_curr_id()), + (void*) lock, lock->cfile_name, + (ulong) lock->cline); + } + + /* these stats may not be accurate */ + lock->count_os_wait++; + rw_s_os_wait_count++; + + sync_array_wait_event(sync_primary_wait_array, index); + + i = 0; + goto lock_loop; + } +} + +/******************************************************************//** +This function is used in the insert buffer to move the ownership of an +x-latch on a buffer frame to the current thread. The x-latch was set by +the buffer read operation and it protected the buffer frame while the +read was done. The ownership is moved because we want that the current +thread is able to acquire a second x-latch which is stored in an mtr. +This, in turn, is needed to pass the debug checks of index page +operations. */ +UNIV_INTERN +void +rw_lock_x_lock_move_ownership( +/*==========================*/ + rw_lock_t* lock) /*!< in: lock which was x-locked in the + buffer read */ +{ + ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX)); + + rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); +} + +/******************************************************************//** +Function for the next writer to call. Waits for readers to exit. +The caller must have already decremented lock_word by X_LOCK_DECR. */ +UNIV_INLINE +void +rw_lock_x_lock_wait( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ +#endif + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + ulint index; + ulint i = 0; + + ut_ad(lock->lock_word <= 0); + + while (lock->lock_word < 0) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); + } + if(i < SYNC_SPIN_ROUNDS) { + i++; + continue; + } + + /* If there is still a reader, then go to sleep.*/ + rw_x_spin_round_count += i; + i = 0; + sync_array_reserve_cell(sync_primary_wait_array, + lock, + RW_LOCK_WAIT_EX, + file_name, line, + &index); + /* Check lock_word to ensure wake-up isn't missed.*/ + if(lock->lock_word < 0) { + + /* these stats may not be accurate */ + lock->count_os_wait++; + rw_x_os_wait_count++; + + /* Add debug info as it is needed to detect possible + deadlock. We must add info for WAIT_EX thread for + deadlock detection to work properly. */ +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_WAIT_EX, + file_name, line); +#endif + + sync_array_wait_event(sync_primary_wait_array, + index); +#ifdef UNIV_SYNC_DEBUG + rw_lock_remove_debug_info(lock, pass, + RW_LOCK_WAIT_EX); +#endif + /* It is possible to wake when lock_word < 0. + We must pass the while-loop check to proceed.*/ + } else { + sync_array_free_cell(sync_primary_wait_array, + index); + } + } + rw_x_spin_round_count += i; +} + +/******************************************************************//** +Low-level function for acquiring an exclusive lock. +@return RW_LOCK_NOT_LOCKED if did not succeed, RW_LOCK_EX if success. */ +UNIV_INLINE +ibool +rw_lock_x_lock_low( +/*===============*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + os_thread_id_t curr_thread = os_thread_get_curr_id(); + + if (rw_lock_lock_word_decr(lock, X_LOCK_DECR)) { + + /* lock->recursive also tells us if the writer_thread + field is stale or active. As we are going to write + our own thread id in that field it must be that the + current writer_thread value is not active. */ + ut_a(!lock->recursive); + + /* Decrement occurred: we are writer or next-writer. */ + rw_lock_set_writer_id_and_recursion_flag(lock, + pass ? FALSE : TRUE); + + rw_lock_x_lock_wait(lock, +#ifdef UNIV_SYNC_DEBUG + pass, +#endif + file_name, line); + + } else { + /* Decrement failed: relock or failed lock */ + if (!pass && lock->recursive + && os_thread_eq(lock->writer_thread, curr_thread)) { + /* Relock */ + lock->lock_word -= X_LOCK_DECR; + } else { + /* Another thread locked before us */ + return(FALSE); + } + } +#ifdef UNIV_SYNC_DEBUG + rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, + file_name, line); +#endif + lock->last_x_file_name = file_name; + lock->last_x_line = (unsigned int) line; + + return(TRUE); +} + +/******************************************************************//** +NOTE! Use the corresponding macro, not directly this function! Lock an +rw-lock in exclusive mode for the current thread. If the rw-lock is locked +in shared or exclusive mode, or there is an exclusive lock request waiting, +the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting +for the lock before suspending the thread. If the same thread has an x-lock +on the rw-lock, locking succeed, with the following exception: if pass != 0, +only a single x-lock may be taken on the lock. NOTE: If the same thread has +an s-lock, locking does not succeed! */ +UNIV_INTERN +void +rw_lock_x_lock_func( +/*================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + ulint index; /*!< index of the reserved wait cell */ + ulint i; /*!< spin round count */ + ibool spinning = FALSE; + + ut_ad(rw_lock_validate(lock)); + + i = 0; + +lock_loop: + + if (rw_lock_x_lock_low(lock, pass, file_name, line)) { + rw_x_spin_round_count += i; + + return; /* Locking succeeded */ + + } else { + + if (!spinning) { + spinning = TRUE; + rw_x_spin_wait_count++; + } + + /* Spin waiting for the lock_word to become free */ + while (i < SYNC_SPIN_ROUNDS + && lock->lock_word <= 0) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, + srv_spin_wait_delay)); + } + + i++; + } + if (i == SYNC_SPIN_ROUNDS) { + os_thread_yield(); + } else { + goto lock_loop; + } + } + + rw_x_spin_round_count += i; + + if (srv_print_latch_waits) { + fprintf(stderr, + "Thread %lu spin wait rw-x-lock at %p" + " cfile %s cline %lu rnds %lu\n", + os_thread_pf(os_thread_get_curr_id()), (void*) lock, + lock->cfile_name, (ulong) lock->cline, (ulong) i); + } + + sync_array_reserve_cell(sync_primary_wait_array, + lock, + RW_LOCK_EX, + file_name, line, + &index); + + /* Waiters must be set before checking lock_word, to ensure signal + is sent. This could lead to a few unnecessary wake-up signals. */ + rw_lock_set_waiter_flag(lock); + + if (rw_lock_x_lock_low(lock, pass, file_name, line)) { + sync_array_free_cell(sync_primary_wait_array, index); + return; /* Locking succeeded */ + } + + if (srv_print_latch_waits) { + fprintf(stderr, + "Thread %lu OS wait for rw-x-lock at %p" + " cfile %s cline %lu\n", + os_thread_pf(os_thread_get_curr_id()), (void*) lock, + lock->cfile_name, (ulong) lock->cline); + } + + /* these stats may not be accurate */ + lock->count_os_wait++; + rw_x_os_wait_count++; + + sync_array_wait_event(sync_primary_wait_array, index); + + i = 0; + goto lock_loop; +} + +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Acquires the debug mutex. We cannot use the mutex defined in sync0sync, +because the debug mutex is also acquired in sync0arr while holding the OS +mutex protecting the sync array, and the ordinary mutex_enter might +recursively call routines in sync0arr, leading to a deadlock on the OS +mutex. */ +UNIV_INTERN +void +rw_lock_debug_mutex_enter(void) +/*==========================*/ +{ +loop: + if (0 == mutex_enter_nowait(&rw_lock_debug_mutex)) { + return; + } + + os_event_reset(rw_lock_debug_event); + + rw_lock_debug_waiters = TRUE; + + if (0 == mutex_enter_nowait(&rw_lock_debug_mutex)) { + return; + } + + os_event_wait(rw_lock_debug_event); + + goto loop; +} + +/******************************************************************//** +Releases the debug mutex. */ +UNIV_INTERN +void +rw_lock_debug_mutex_exit(void) +/*==========================*/ +{ + mutex_exit(&rw_lock_debug_mutex); + + if (rw_lock_debug_waiters) { + rw_lock_debug_waiters = FALSE; + os_event_set(rw_lock_debug_event); + } +} + +/******************************************************************//** +Inserts the debug information for an rw-lock. */ +UNIV_INTERN +void +rw_lock_add_debug_info( +/*===================*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type, /*!< in: lock type */ + const char* file_name, /*!< in: file where requested */ + ulint line) /*!< in: line where requested */ +{ + rw_lock_debug_t* info; + + ut_ad(lock); + ut_ad(file_name); + + info = rw_lock_debug_create(); + + rw_lock_debug_mutex_enter(); + + info->file_name = file_name; + info->line = line; + info->lock_type = lock_type; + info->thread_id = os_thread_get_curr_id(); + info->pass = pass; + + UT_LIST_ADD_FIRST(list, lock->debug_list, info); + + rw_lock_debug_mutex_exit(); + + if ((pass == 0) && (lock_type != RW_LOCK_WAIT_EX)) { + sync_thread_add_level(lock, lock->level); + } +} + +/******************************************************************//** +Removes a debug information struct for an rw-lock. */ +UNIV_INTERN +void +rw_lock_remove_debug_info( +/*======================*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint pass, /*!< in: pass value */ + ulint lock_type) /*!< in: lock type */ +{ + rw_lock_debug_t* info; + + ut_ad(lock); + + if ((pass == 0) && (lock_type != RW_LOCK_WAIT_EX)) { + sync_thread_reset_level(lock); + } + + rw_lock_debug_mutex_enter(); + + info = UT_LIST_GET_FIRST(lock->debug_list); + + while (info != NULL) { + if ((pass == info->pass) + && ((pass != 0) + || os_thread_eq(info->thread_id, + os_thread_get_curr_id())) + && (info->lock_type == lock_type)) { + + /* Found! */ + UT_LIST_REMOVE(list, lock->debug_list, info); + rw_lock_debug_mutex_exit(); + + rw_lock_debug_free(info); + + return; + } + + info = UT_LIST_GET_NEXT(list, info); + } + + ut_error; +} +#endif /* UNIV_SYNC_DEBUG */ + +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Checks if the thread has locked the rw-lock in the specified mode, with +the pass value == 0. +@return TRUE if locked */ +UNIV_INTERN +ibool +rw_lock_own( +/*========*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, + RW_LOCK_EX */ +{ + rw_lock_debug_t* info; + + ut_ad(lock); + ut_ad(rw_lock_validate(lock)); + + rw_lock_debug_mutex_enter(); + + info = UT_LIST_GET_FIRST(lock->debug_list); + + while (info != NULL) { + + if (os_thread_eq(info->thread_id, os_thread_get_curr_id()) + && (info->pass == 0) + && (info->lock_type == lock_type)) { + + rw_lock_debug_mutex_exit(); + /* Found! */ + + return(TRUE); + } + + info = UT_LIST_GET_NEXT(list, info); + } + rw_lock_debug_mutex_exit(); + + return(FALSE); +} +#endif /* UNIV_SYNC_DEBUG */ + +/******************************************************************//** +Checks if somebody has locked the rw-lock in the specified mode. +@return TRUE if locked */ +UNIV_INTERN +ibool +rw_lock_is_locked( +/*==============*/ + rw_lock_t* lock, /*!< in: rw-lock */ + ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, + RW_LOCK_EX */ +{ + ibool ret = FALSE; + + ut_ad(lock); + ut_ad(rw_lock_validate(lock)); + + if (lock_type == RW_LOCK_SHARED) { + if (rw_lock_get_reader_count(lock) > 0) { + ret = TRUE; + } + } else if (lock_type == RW_LOCK_EX) { + if (rw_lock_get_writer(lock) == RW_LOCK_EX) { + ret = TRUE; + } + } else { + ut_error; + } + + return(ret); +} + +#ifdef UNIV_SYNC_DEBUG +/***************************************************************//** +Prints debug info of currently locked rw-locks. */ +UNIV_INTERN +void +rw_lock_list_print_info( +/*====================*/ + FILE* file) /*!< in: file where to print */ +{ + rw_lock_t* lock; + ulint count = 0; + rw_lock_debug_t* info; + + mutex_enter(&rw_lock_list_mutex); + + fputs("-------------\n" + "RW-LATCH INFO\n" + "-------------\n", file); + + lock = UT_LIST_GET_FIRST(rw_lock_list); + + while (lock != NULL) { + + count++; + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_enter(&(lock->mutex)); +#endif + if (lock->lock_word != X_LOCK_DECR) { + + fprintf(file, "RW-LOCK: %p ", (void*) lock); + + if (rw_lock_get_waiters(lock)) { + fputs(" Waiters for the lock exist\n", file); + } else { + putc('\n', file); + } + + info = UT_LIST_GET_FIRST(lock->debug_list); + while (info != NULL) { + rw_lock_debug_print(info); + info = UT_LIST_GET_NEXT(list, info); + } + } +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + mutex_exit(&(lock->mutex)); +#endif + + lock = UT_LIST_GET_NEXT(list, lock); + } + + fprintf(file, "Total number of rw-locks %ld\n", count); + mutex_exit(&rw_lock_list_mutex); +} + +/***************************************************************//** +Prints debug info of an rw-lock. */ +UNIV_INTERN +void +rw_lock_print( +/*==========*/ + rw_lock_t* lock) /*!< in: rw-lock */ +{ + rw_lock_debug_t* info; + + fprintf(stderr, + "-------------\n" + "RW-LATCH INFO\n" + "RW-LATCH: %p ", (void*) lock); + +#ifndef INNODB_RW_LOCKS_USE_ATOMICS + /* We used to acquire lock->mutex here, but it would cause a + recursive call to sync_thread_add_level() if UNIV_SYNC_DEBUG + is defined. Since this function is only invoked from + sync_thread_levels_g(), let us choose the smaller evil: + performing dirty reads instead of causing bogus deadlocks or + assertion failures. */ +#endif + if (lock->lock_word != X_LOCK_DECR) { + + if (rw_lock_get_waiters(lock)) { + fputs(" Waiters for the lock exist\n", stderr); + } else { + putc('\n', stderr); + } + + info = UT_LIST_GET_FIRST(lock->debug_list); + while (info != NULL) { + rw_lock_debug_print(info); + info = UT_LIST_GET_NEXT(list, info); + } + } +} + +/*********************************************************************//** +Prints info of a debug struct. */ +UNIV_INTERN +void +rw_lock_debug_print( +/*================*/ + rw_lock_debug_t* info) /*!< in: debug struct */ +{ + ulint rwt; + + rwt = info->lock_type; + + fprintf(stderr, "Locked: thread %ld file %s line %ld ", + (ulong) os_thread_pf(info->thread_id), info->file_name, + (ulong) info->line); + if (rwt == RW_LOCK_SHARED) { + fputs("S-LOCK", stderr); + } else if (rwt == RW_LOCK_EX) { + fputs("X-LOCK", stderr); + } else if (rwt == RW_LOCK_WAIT_EX) { + fputs("WAIT X-LOCK", stderr); + } else { + ut_error; + } + if (info->pass != 0) { + fprintf(stderr, " pass value %lu", (ulong) info->pass); + } + putc('\n', stderr); +} + +/***************************************************************//** +Returns the number of currently locked rw-locks. Works only in the debug +version. +@return number of locked rw-locks */ +UNIV_INTERN +ulint +rw_lock_n_locked(void) +/*==================*/ +{ + rw_lock_t* lock; + ulint count = 0; + + mutex_enter(&rw_lock_list_mutex); + + lock = UT_LIST_GET_FIRST(rw_lock_list); + + while (lock != NULL) { + + if (lock->lock_word != X_LOCK_DECR) { + count++; + } + + lock = UT_LIST_GET_NEXT(list, lock); + } + + mutex_exit(&rw_lock_list_mutex); + + return(count); +} +#endif /* UNIV_SYNC_DEBUG */ diff --git a/perfschema/sync/sync0sync.c b/perfschema/sync/sync0sync.c new file mode 100644 index 00000000000..1efcf9352f2 --- /dev/null +++ b/perfschema/sync/sync0sync.c @@ -0,0 +1,1509 @@ +/***************************************************************************** + +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 2008, Google Inc. + +Portions of this file contain modifications contributed and copyrighted by +Google, Inc. Those modifications are gratefully acknowledged and are described +briefly in the InnoDB documentation. The contributions by Google are +incorporated with their permission, and subject to the conditions contained in +the file COPYING.Google. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file sync/sync0sync.c +Mutex, the basic synchronization primitive + +Created 9/5/1995 Heikki Tuuri +*******************************************************/ + +#include "sync0sync.h" +#ifdef UNIV_NONINL +#include "sync0sync.ic" +#endif + +#include "sync0rw.h" +#include "buf0buf.h" +#include "srv0srv.h" +#include "buf0types.h" +#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ + +/* + REASONS FOR IMPLEMENTING THE SPIN LOCK MUTEX + ============================================ + +Semaphore operations in operating systems are slow: Solaris on a 1993 Sparc +takes 3 microseconds (us) for a lock-unlock pair and Windows NT on a 1995 +Pentium takes 20 microseconds for a lock-unlock pair. Therefore, we have to +implement our own efficient spin lock mutex. Future operating systems may +provide efficient spin locks, but we cannot count on that. + +Another reason for implementing a spin lock is that on multiprocessor systems +it can be more efficient for a processor to run a loop waiting for the +semaphore to be released than to switch to a different thread. A thread switch +takes 25 us on both platforms mentioned above. See Gray and Reuter's book +Transaction processing for background. + +How long should the spin loop last before suspending the thread? On a +uniprocessor, spinning does not help at all, because if the thread owning the +mutex is not executing, it cannot be released. Spinning actually wastes +resources. + +On a multiprocessor, we do not know if the thread owning the mutex is +executing or not. Thus it would make sense to spin as long as the operation +guarded by the mutex would typically last assuming that the thread is +executing. If the mutex is not released by that time, we may assume that the +thread owning the mutex is not executing and suspend the waiting thread. + +A typical operation (where no i/o involved) guarded by a mutex or a read-write +lock may last 1 - 20 us on the current Pentium platform. The longest +operations are the binary searches on an index node. + +We conclude that the best choice is to set the spin time at 20 us. Then the +system should work well on a multiprocessor. On a uniprocessor we have to +make sure that thread swithches due to mutex collisions are not frequent, +i.e., they do not happen every 100 us or so, because that wastes too much +resources. If the thread switches are not frequent, the 20 us wasted in spin +loop is not too much. + +Empirical studies on the effect of spin time should be done for different +platforms. + + + IMPLEMENTATION OF THE MUTEX + =========================== + +For background, see Curt Schimmel's book on Unix implementation on modern +architectures. The key points in the implementation are atomicity and +serialization of memory accesses. The test-and-set instruction (XCHG in +Pentium) must be atomic. As new processors may have weak memory models, also +serialization of memory references may be necessary. The successor of Pentium, +P6, has at least one mode where the memory model is weak. As far as we know, +in Pentium all memory accesses are serialized in the program order and we do +not have to worry about the memory model. On other processors there are +special machine instructions called a fence, memory barrier, or storage +barrier (STBAR in Sparc), which can be used to serialize the memory accesses +to happen in program order relative to the fence instruction. + +Leslie Lamport has devised a "bakery algorithm" to implement a mutex without +the atomic test-and-set, but his algorithm should be modified for weak memory +models. We do not use Lamport's algorithm, because we guess it is slower than +the atomic test-and-set. + +Our mutex implementation works as follows: After that we perform the atomic +test-and-set instruction on the memory word. If the test returns zero, we +know we got the lock first. If the test returns not zero, some other thread +was quicker and got the lock: then we spin in a loop reading the memory word, +waiting it to become zero. It is wise to just read the word in the loop, not +perform numerous test-and-set instructions, because they generate memory +traffic between the cache and the main memory. The read loop can just access +the cache, saving bus bandwidth. + +If we cannot acquire the mutex lock in the specified time, we reserve a cell +in the wait array, set the waiters byte in the mutex to 1. To avoid a race +condition, after setting the waiters byte and before suspending the waiting +thread, we still have to check that the mutex is reserved, because it may +have happened that the thread which was holding the mutex has just released +it and did not see the waiters byte set to 1, a case which would lead the +other thread to an infinite wait. + +LEMMA 1: After a thread resets the event of a mutex (or rw_lock), some +======= +thread will eventually call os_event_set() on that particular event. +Thus no infinite wait is possible in this case. + +Proof: After making the reservation the thread sets the waiters field in the +mutex to 1. Then it checks that the mutex is still reserved by some thread, +or it reserves the mutex for itself. In any case, some thread (which may be +also some earlier thread, not necessarily the one currently holding the mutex) +will set the waiters field to 0 in mutex_exit, and then call +os_event_set() with the mutex as an argument. +Q.E.D. + +LEMMA 2: If an os_event_set() call is made after some thread has called +======= +the os_event_reset() and before it starts wait on that event, the call +will not be lost to the second thread. This is true even if there is an +intervening call to os_event_reset() by another thread. +Thus no infinite wait is possible in this case. + +Proof (non-windows platforms): os_event_reset() returns a monotonically +increasing value of signal_count. This value is increased at every +call of os_event_set() If thread A has called os_event_reset() followed +by thread B calling os_event_set() and then some other thread C calling +os_event_reset(), the is_set flag of the event will be set to FALSE; +but now if thread A calls os_event_wait_low() with the signal_count +value returned from the earlier call of os_event_reset(), it will +return immediately without waiting. +Q.E.D. + +Proof (windows): If there is a writer thread which is forced to wait for +the lock, it may be able to set the state of rw_lock to RW_LOCK_WAIT_EX +The design of rw_lock ensures that there is one and only one thread +that is able to change the state to RW_LOCK_WAIT_EX and this thread is +guaranteed to acquire the lock after it is released by the current +holders and before any other waiter gets the lock. +On windows this thread waits on a separate event i.e.: wait_ex_event. +Since only one thread can wait on this event there is no chance +of this event getting reset before the writer starts wait on it. +Therefore, this thread is guaranteed to catch the os_set_event() +signalled unconditionally at the release of the lock. +Q.E.D. */ + +/* Number of spin waits on mutexes: for performance monitoring */ + +/** The number of iterations in the mutex_spin_wait() spin loop. +Intended for performance monitoring. */ +static ib_int64_t mutex_spin_round_count = 0; +/** The number of mutex_spin_wait() calls. Intended for +performance monitoring. */ +static ib_int64_t mutex_spin_wait_count = 0; +/** The number of OS waits in mutex_spin_wait(). Intended for +performance monitoring. */ +static ib_int64_t mutex_os_wait_count = 0; +/** The number of mutex_exit() calls. Intended for performance +monitoring. */ +UNIV_INTERN ib_int64_t mutex_exit_count = 0; + +/** The global array of wait cells for implementation of the database's own +mutexes and read-write locks */ +UNIV_INTERN sync_array_t* sync_primary_wait_array; + +/** This variable is set to TRUE when sync_init is called */ +UNIV_INTERN ibool sync_initialized = FALSE; + +/** An acquired mutex or rw-lock and its level in the latching order */ +typedef struct sync_level_struct sync_level_t; +/** Mutexes or rw-locks held by a thread */ +typedef struct sync_thread_struct sync_thread_t; + +#ifdef UNIV_SYNC_DEBUG +/** The latch levels currently owned by threads are stored in this data +structure; the size of this array is OS_THREAD_MAX_N */ + +UNIV_INTERN sync_thread_t* sync_thread_level_arrays; + +/** Mutex protecting sync_thread_level_arrays */ +UNIV_INTERN mutex_t sync_thread_mutex; +#endif /* UNIV_SYNC_DEBUG */ + +/** Global list of database mutexes (not OS mutexes) created. */ +UNIV_INTERN ut_list_base_node_t mutex_list; + +/** Mutex protecting the mutex_list variable */ +UNIV_INTERN mutex_t mutex_list_mutex; + +#ifdef UNIV_SYNC_DEBUG +/** Latching order checks start when this is set TRUE */ +UNIV_INTERN ibool sync_order_checks_on = FALSE; +#endif /* UNIV_SYNC_DEBUG */ + +/** Mutexes or rw-locks held by a thread */ +struct sync_thread_struct{ + os_thread_id_t id; /*!< OS thread id */ + sync_level_t* levels; /*!< level array for this thread; if + this is NULL this slot is unused */ +}; + +/** Number of slots reserved for each OS thread in the sync level array */ +#define SYNC_THREAD_N_LEVELS 10000 + +/** An acquired mutex or rw-lock and its level in the latching order */ +struct sync_level_struct{ + void* latch; /*!< pointer to a mutex or an rw-lock; NULL means that + the slot is empty */ + ulint level; /*!< level of the latch in the latching order */ +}; + +/******************************************************************//** +Creates, or rather, initializes a mutex object in a specified memory +location (which must be appropriately aligned). The mutex is initialized +in the reset state. Explicit freeing of the mutex with mutex_free is +necessary only if the memory block containing it is freed. */ +UNIV_INTERN +void +mutex_create_func( +/*==============*/ + mutex_t* mutex, /*!< in: pointer to memory */ +#ifdef UNIV_DEBUG + const char* cmutex_name, /*!< in: mutex name */ +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ +#endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ +{ +#if defined(HAVE_ATOMIC_BUILTINS) + mutex_reset_lock_word(mutex); +#else + os_fast_mutex_init(&(mutex->os_fast_mutex)); + mutex->lock_word = 0; +#endif + mutex->event = os_event_create(NULL); + mutex_set_waiters(mutex, 0); +#ifdef UNIV_DEBUG + mutex->magic_n = MUTEX_MAGIC_N; +#endif /* UNIV_DEBUG */ +#ifdef UNIV_SYNC_DEBUG + mutex->line = 0; + mutex->file_name = "not yet reserved"; + mutex->level = level; +#endif /* UNIV_SYNC_DEBUG */ + mutex->cfile_name = cfile_name; + mutex->cline = cline; + mutex->count_os_wait = 0; +#ifdef UNIV_DEBUG + mutex->cmutex_name= cmutex_name; + mutex->count_using= 0; + mutex->mutex_type= 0; + mutex->lspent_time= 0; + mutex->lmax_spent_time= 0; + mutex->count_spin_loop= 0; + mutex->count_spin_rounds= 0; + mutex->count_os_yield= 0; +#endif /* UNIV_DEBUG */ + + /* Check that lock_word is aligned; this is important on Intel */ + ut_ad(((ulint)(&(mutex->lock_word))) % 4 == 0); + + /* NOTE! The very first mutexes are not put to the mutex list */ + + if ((mutex == &mutex_list_mutex) +#ifdef UNIV_SYNC_DEBUG + || (mutex == &sync_thread_mutex) +#endif /* UNIV_SYNC_DEBUG */ + ) { + + return; + } + + mutex_enter(&mutex_list_mutex); + + ut_ad(UT_LIST_GET_LEN(mutex_list) == 0 + || UT_LIST_GET_FIRST(mutex_list)->magic_n == MUTEX_MAGIC_N); + + UT_LIST_ADD_FIRST(list, mutex_list, mutex); + + mutex_exit(&mutex_list_mutex); +} + +/******************************************************************//** +Calling this function is obligatory only if the memory buffer containing +the mutex is freed. Removes a mutex object from the mutex list. The mutex +is checked to be in the reset state. */ +UNIV_INTERN +void +mutex_free( +/*=======*/ + mutex_t* mutex) /*!< in: mutex */ +{ + ut_ad(mutex_validate(mutex)); + ut_a(mutex_get_lock_word(mutex) == 0); + ut_a(mutex_get_waiters(mutex) == 0); + +#ifdef UNIV_MEM_DEBUG + if (mutex == &mem_hash_mutex) { + ut_ad(UT_LIST_GET_LEN(mutex_list) == 1); + ut_ad(UT_LIST_GET_FIRST(mutex_list) == &mem_hash_mutex); + UT_LIST_REMOVE(list, mutex_list, mutex); + goto func_exit; + } +#endif /* UNIV_MEM_DEBUG */ + + if (mutex != &mutex_list_mutex +#ifdef UNIV_SYNC_DEBUG + && mutex != &sync_thread_mutex +#endif /* UNIV_SYNC_DEBUG */ + ) { + + mutex_enter(&mutex_list_mutex); + + ut_ad(!UT_LIST_GET_PREV(list, mutex) + || UT_LIST_GET_PREV(list, mutex)->magic_n + == MUTEX_MAGIC_N); + ut_ad(!UT_LIST_GET_NEXT(list, mutex) + || UT_LIST_GET_NEXT(list, mutex)->magic_n + == MUTEX_MAGIC_N); + + UT_LIST_REMOVE(list, mutex_list, mutex); + + mutex_exit(&mutex_list_mutex); + } + + os_event_free(mutex->event); +#ifdef UNIV_MEM_DEBUG +func_exit: +#endif /* UNIV_MEM_DEBUG */ +#if !defined(HAVE_ATOMIC_BUILTINS) + os_fast_mutex_free(&(mutex->os_fast_mutex)); +#endif + /* If we free the mutex protecting the mutex list (freeing is + not necessary), we have to reset the magic number AFTER removing + it from the list. */ +#ifdef UNIV_DEBUG + mutex->magic_n = 0; +#endif /* UNIV_DEBUG */ +} + +/********************************************************************//** +NOTE! Use the corresponding macro in the header file, not this function +directly. Tries to lock the mutex for the current thread. If the lock is not +acquired immediately, returns with return value 1. +@return 0 if succeed, 1 if not */ +UNIV_INTERN +ulint +mutex_enter_nowait_func( +/*====================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name __attribute__((unused)), + /*!< in: file name where mutex + requested */ + ulint line __attribute__((unused))) + /*!< in: line where requested */ +{ + ut_ad(mutex_validate(mutex)); + + if (!mutex_test_and_set(mutex)) { + + ut_d(mutex->thread_id = os_thread_get_curr_id()); +#ifdef UNIV_SYNC_DEBUG + mutex_set_debug_info(mutex, file_name, line); +#endif + + return(0); /* Succeeded! */ + } + + return(1); +} + +#ifdef UNIV_DEBUG +/******************************************************************//** +Checks that the mutex has been initialized. +@return TRUE */ +UNIV_INTERN +ibool +mutex_validate( +/*===========*/ + const mutex_t* mutex) /*!< in: mutex */ +{ + ut_a(mutex); + ut_a(mutex->magic_n == MUTEX_MAGIC_N); + + return(TRUE); +} + +/******************************************************************//** +Checks that the current thread owns the mutex. Works only in the debug +version. +@return TRUE if owns */ +UNIV_INTERN +ibool +mutex_own( +/*======*/ + const mutex_t* mutex) /*!< in: mutex */ +{ + ut_ad(mutex_validate(mutex)); + + return(mutex_get_lock_word(mutex) == 1 + && os_thread_eq(mutex->thread_id, os_thread_get_curr_id())); +} +#endif /* UNIV_DEBUG */ + +/******************************************************************//** +Sets the waiters field in a mutex. */ +UNIV_INTERN +void +mutex_set_waiters( +/*==============*/ + mutex_t* mutex, /*!< in: mutex */ + ulint n) /*!< in: value to set */ +{ + volatile ulint* ptr; /* declared volatile to ensure that + the value is stored to memory */ + ut_ad(mutex); + + ptr = &(mutex->waiters); + + *ptr = n; /* Here we assume that the write of a single + word in memory is atomic */ +} + +/******************************************************************//** +Reserves a mutex for the current thread. If the mutex is reserved, the +function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting +for the mutex before suspending the thread. */ +UNIV_INTERN +void +mutex_spin_wait( +/*============*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex + requested */ + ulint line) /*!< in: line where requested */ +{ + ulint index; /* index of the reserved wait cell */ + ulint i; /* spin round count */ +#ifdef UNIV_DEBUG + ib_int64_t lstart_time = 0, lfinish_time; /* for timing os_wait */ + ulint ltime_diff; + ulint sec; + ulint ms; + uint timer_started = 0; +#endif /* UNIV_DEBUG */ + ut_ad(mutex); + + /* This update is not thread safe, but we don't mind if the count + isn't exact. Moved out of ifdef that follows because we are willing + to sacrifice the cost of counting this as the data is valuable. + Count the number of calls to mutex_spin_wait. */ + mutex_spin_wait_count++; + +mutex_loop: + + i = 0; + + /* Spin waiting for the lock word to become zero. Note that we do + not have to assume that the read access to the lock word is atomic, + as the actual locking is always committed with atomic test-and-set. + In reality, however, all processors probably have an atomic read of + a memory word. */ + +spin_loop: + ut_d(mutex->count_spin_loop++); + + while (mutex_get_lock_word(mutex) != 0 && i < SYNC_SPIN_ROUNDS) { + if (srv_spin_wait_delay) { + ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); + } + + i++; + } + + if (i == SYNC_SPIN_ROUNDS) { +#ifdef UNIV_DEBUG + mutex->count_os_yield++; +#ifndef UNIV_HOTBACKUP + if (timed_mutexes && timer_started == 0) { + ut_usectime(&sec, &ms); + lstart_time= (ib_int64_t)sec * 1000000 + ms; + timer_started = 1; + } +#endif /* UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ + os_thread_yield(); + } + +#ifdef UNIV_SRV_PRINT_LATCH_WAITS + fprintf(stderr, + "Thread %lu spin wait mutex at %p" + " cfile %s cline %lu rnds %lu\n", + (ulong) os_thread_pf(os_thread_get_curr_id()), (void*) mutex, + mutex->cfile_name, (ulong) mutex->cline, (ulong) i); +#endif + + mutex_spin_round_count += i; + + ut_d(mutex->count_spin_rounds += i); + + if (mutex_test_and_set(mutex) == 0) { + /* Succeeded! */ + + ut_d(mutex->thread_id = os_thread_get_curr_id()); +#ifdef UNIV_SYNC_DEBUG + mutex_set_debug_info(mutex, file_name, line); +#endif + + goto finish_timing; + } + + /* We may end up with a situation where lock_word is 0 but the OS + fast mutex is still reserved. On FreeBSD the OS does not seem to + schedule a thread which is constantly calling pthread_mutex_trylock + (in mutex_test_and_set implementation). Then we could end up + spinning here indefinitely. The following 'i++' stops this infinite + spin. */ + + i++; + + if (i < SYNC_SPIN_ROUNDS) { + goto spin_loop; + } + + sync_array_reserve_cell(sync_primary_wait_array, mutex, + SYNC_MUTEX, file_name, line, &index); + + /* The memory order of the array reservation and the change in the + waiters field is important: when we suspend a thread, we first + reserve the cell and then set waiters field to 1. When threads are + released in mutex_exit, the waiters field is first set to zero and + then the event is set to the signaled state. */ + + mutex_set_waiters(mutex, 1); + + /* Try to reserve still a few times */ + for (i = 0; i < 4; i++) { + if (mutex_test_and_set(mutex) == 0) { + /* Succeeded! Free the reserved wait cell */ + + sync_array_free_cell(sync_primary_wait_array, index); + + ut_d(mutex->thread_id = os_thread_get_curr_id()); +#ifdef UNIV_SYNC_DEBUG + mutex_set_debug_info(mutex, file_name, line); +#endif + +#ifdef UNIV_SRV_PRINT_LATCH_WAITS + fprintf(stderr, "Thread %lu spin wait succeeds at 2:" + " mutex at %p\n", + (ulong) os_thread_pf(os_thread_get_curr_id()), + (void*) mutex); +#endif + + goto finish_timing; + + /* Note that in this case we leave the waiters field + set to 1. We cannot reset it to zero, as we do not + know if there are other waiters. */ + } + } + + /* Now we know that there has been some thread holding the mutex + after the change in the wait array and the waiters field was made. + Now there is no risk of infinite wait on the event. */ + +#ifdef UNIV_SRV_PRINT_LATCH_WAITS + fprintf(stderr, + "Thread %lu OS wait mutex at %p cfile %s cline %lu rnds %lu\n", + (ulong) os_thread_pf(os_thread_get_curr_id()), (void*) mutex, + mutex->cfile_name, (ulong) mutex->cline, (ulong) i); +#endif + + mutex_os_wait_count++; + + mutex->count_os_wait++; +#ifdef UNIV_DEBUG + /* !!!!! Sometimes os_wait can be called without os_thread_yield */ +#ifndef UNIV_HOTBACKUP + if (timed_mutexes == 1 && timer_started == 0) { + ut_usectime(&sec, &ms); + lstart_time= (ib_int64_t)sec * 1000000 + ms; + timer_started = 1; + } +#endif /* UNIV_HOTBACKUP */ +#endif /* UNIV_DEBUG */ + + sync_array_wait_event(sync_primary_wait_array, index); + goto mutex_loop; + +finish_timing: +#ifdef UNIV_DEBUG + if (timed_mutexes == 1 && timer_started==1) { + ut_usectime(&sec, &ms); + lfinish_time= (ib_int64_t)sec * 1000000 + ms; + + ltime_diff= (ulint) (lfinish_time - lstart_time); + mutex->lspent_time += ltime_diff; + + if (mutex->lmax_spent_time < ltime_diff) { + mutex->lmax_spent_time= ltime_diff; + } + } +#endif /* UNIV_DEBUG */ + return; +} + +/******************************************************************//** +Releases the threads waiting in the primary wait array for this mutex. */ +UNIV_INTERN +void +mutex_signal_object( +/*================*/ + mutex_t* mutex) /*!< in: mutex */ +{ + mutex_set_waiters(mutex, 0); + + /* The memory order of resetting the waiters field and + signaling the object is important. See LEMMA 1 above. */ + os_event_set(mutex->event); + sync_array_object_signalled(sync_primary_wait_array); +} + +#ifdef UNIV_SYNC_DEBUG +/******************************************************************//** +Sets the debug information for a reserved mutex. */ +UNIV_INTERN +void +mutex_set_debug_info( +/*=================*/ + mutex_t* mutex, /*!< in: mutex */ + const char* file_name, /*!< in: file where requested */ + ulint line) /*!< in: line where requested */ +{ + ut_ad(mutex); + ut_ad(file_name); + + sync_thread_add_level(mutex, mutex->level); + + mutex->file_name = file_name; + mutex->line = line; +} + +/******************************************************************//** +Gets the debug information for a reserved mutex. */ +UNIV_INTERN +void +mutex_get_debug_info( +/*=================*/ + mutex_t* mutex, /*!< in: mutex */ + const char** file_name, /*!< out: file where requested */ + ulint* line, /*!< out: line where requested */ + os_thread_id_t* thread_id) /*!< out: id of the thread which owns + the mutex */ +{ + ut_ad(mutex); + + *file_name = mutex->file_name; + *line = mutex->line; + *thread_id = mutex->thread_id; +} + +/******************************************************************//** +Prints debug info of currently reserved mutexes. */ +static +void +mutex_list_print_info( +/*==================*/ + FILE* file) /*!< in: file where to print */ +{ + mutex_t* mutex; + const char* file_name; + ulint line; + os_thread_id_t thread_id; + ulint count = 0; + + fputs("----------\n" + "MUTEX INFO\n" + "----------\n", file); + + mutex_enter(&mutex_list_mutex); + + mutex = UT_LIST_GET_FIRST(mutex_list); + + while (mutex != NULL) { + count++; + + if (mutex_get_lock_word(mutex) != 0) { + mutex_get_debug_info(mutex, &file_name, &line, + &thread_id); + fprintf(file, + "Locked mutex: addr %p thread %ld" + " file %s line %ld\n", + (void*) mutex, os_thread_pf(thread_id), + file_name, line); + } + + mutex = UT_LIST_GET_NEXT(list, mutex); + } + + fprintf(file, "Total number of mutexes %ld\n", count); + + mutex_exit(&mutex_list_mutex); +} + +/******************************************************************//** +Counts currently reserved mutexes. Works only in the debug version. +@return number of reserved mutexes */ +UNIV_INTERN +ulint +mutex_n_reserved(void) +/*==================*/ +{ + mutex_t* mutex; + ulint count = 0; + + mutex_enter(&mutex_list_mutex); + + mutex = UT_LIST_GET_FIRST(mutex_list); + + while (mutex != NULL) { + if (mutex_get_lock_word(mutex) != 0) { + + count++; + } + + mutex = UT_LIST_GET_NEXT(list, mutex); + } + + mutex_exit(&mutex_list_mutex); + + ut_a(count >= 1); + + return(count - 1); /* Subtract one, because this function itself + was holding one mutex (mutex_list_mutex) */ +} + +/******************************************************************//** +Returns TRUE if no mutex or rw-lock is currently locked. Works only in +the debug version. +@return TRUE if no mutexes and rw-locks reserved */ +UNIV_INTERN +ibool +sync_all_freed(void) +/*================*/ +{ + return(mutex_n_reserved() + rw_lock_n_locked() == 0); +} + +/******************************************************************//** +Gets the value in the nth slot in the thread level arrays. +@return pointer to thread slot */ +static +sync_thread_t* +sync_thread_level_arrays_get_nth( +/*=============================*/ + ulint n) /*!< in: slot number */ +{ + ut_ad(n < OS_THREAD_MAX_N); + + return(sync_thread_level_arrays + n); +} + +/******************************************************************//** +Looks for the thread slot for the calling thread. +@return pointer to thread slot, NULL if not found */ +static +sync_thread_t* +sync_thread_level_arrays_find_slot(void) +/*====================================*/ + +{ + sync_thread_t* slot; + os_thread_id_t id; + ulint i; + + id = os_thread_get_curr_id(); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = sync_thread_level_arrays_get_nth(i); + + if (slot->levels && os_thread_eq(slot->id, id)) { + + return(slot); + } + } + + return(NULL); +} + +/******************************************************************//** +Looks for an unused thread slot. +@return pointer to thread slot */ +static +sync_thread_t* +sync_thread_level_arrays_find_free(void) +/*====================================*/ + +{ + sync_thread_t* slot; + ulint i; + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = sync_thread_level_arrays_get_nth(i); + + if (slot->levels == NULL) { + + return(slot); + } + } + + return(NULL); +} + +/******************************************************************//** +Gets the value in the nth slot in the thread level array. +@return pointer to level slot */ +static +sync_level_t* +sync_thread_levels_get_nth( +/*=======================*/ + sync_level_t* arr, /*!< in: pointer to level array for an OS + thread */ + ulint n) /*!< in: slot number */ +{ + ut_ad(n < SYNC_THREAD_N_LEVELS); + + return(arr + n); +} + +/******************************************************************//** +Checks if all the level values stored in the level array are greater than +the given limit. +@return TRUE if all greater */ +static +ibool +sync_thread_levels_g( +/*=================*/ + sync_level_t* arr, /*!< in: pointer to level array for an OS + thread */ + ulint limit, /*!< in: level limit */ + ulint warn) /*!< in: TRUE=display a diagnostic message */ +{ + sync_level_t* slot; + rw_lock_t* lock; + mutex_t* mutex; + ulint i; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(arr, i); + + if (slot->latch != NULL) { + if (slot->level <= limit) { + + if (!warn) { + + return(FALSE); + } + + lock = slot->latch; + mutex = slot->latch; + + fprintf(stderr, + "InnoDB: sync levels should be" + " > %lu but a level is %lu\n", + (ulong) limit, (ulong) slot->level); + + if (mutex->magic_n == MUTEX_MAGIC_N) { + fprintf(stderr, + "Mutex created at %s %lu\n", + mutex->cfile_name, + (ulong) mutex->cline); + + if (mutex_get_lock_word(mutex) != 0) { + const char* file_name; + ulint line; + os_thread_id_t thread_id; + + mutex_get_debug_info( + mutex, &file_name, + &line, &thread_id); + + fprintf(stderr, + "InnoDB: Locked mutex:" + " addr %p thread %ld" + " file %s line %ld\n", + (void*) mutex, + os_thread_pf( + thread_id), + file_name, + (ulong) line); + } else { + fputs("Not locked\n", stderr); + } + } else { + rw_lock_print(lock); + } + + return(FALSE); + } + } + } + + return(TRUE); +} + +/******************************************************************//** +Checks if the level value is stored in the level array. +@return TRUE if stored */ +static +ibool +sync_thread_levels_contain( +/*=======================*/ + sync_level_t* arr, /*!< in: pointer to level array for an OS + thread */ + ulint level) /*!< in: level */ +{ + sync_level_t* slot; + ulint i; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(arr, i); + + if (slot->latch != NULL) { + if (slot->level == level) { + + return(TRUE); + } + } + } + + return(FALSE); +} + +/******************************************************************//** +Checks if the level array for the current thread contains a +mutex or rw-latch at the specified level. +@return a matching latch, or NULL if not found */ +UNIV_INTERN +void* +sync_thread_levels_contains( +/*========================*/ + ulint level) /*!< in: latching order level + (SYNC_DICT, ...)*/ +{ + sync_level_t* arr; + sync_thread_t* thread_slot; + sync_level_t* slot; + ulint i; + + if (!sync_order_checks_on) { + + return(NULL); + } + + mutex_enter(&sync_thread_mutex); + + thread_slot = sync_thread_level_arrays_find_slot(); + + if (thread_slot == NULL) { + + mutex_exit(&sync_thread_mutex); + + return(NULL); + } + + arr = thread_slot->levels; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(arr, i); + + if (slot->latch != NULL && slot->level == level) { + + mutex_exit(&sync_thread_mutex); + return(slot->latch); + } + } + + mutex_exit(&sync_thread_mutex); + + return(NULL); +} + +/******************************************************************//** +Checks that the level array for the current thread is empty. +@return a latch, or NULL if empty except the exceptions specified below */ +UNIV_INTERN +void* +sync_thread_levels_nonempty_gen( +/*============================*/ + ibool dict_mutex_allowed) /*!< in: TRUE if dictionary mutex is + allowed to be owned by the thread, + also purge_is_running mutex is + allowed */ +{ + sync_level_t* arr; + sync_thread_t* thread_slot; + sync_level_t* slot; + ulint i; + + if (!sync_order_checks_on) { + + return(NULL); + } + + mutex_enter(&sync_thread_mutex); + + thread_slot = sync_thread_level_arrays_find_slot(); + + if (thread_slot == NULL) { + + mutex_exit(&sync_thread_mutex); + + return(NULL); + } + + arr = thread_slot->levels; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(arr, i); + + if (slot->latch != NULL + && (!dict_mutex_allowed + || (slot->level != SYNC_DICT + && slot->level != SYNC_DICT_OPERATION))) { + + mutex_exit(&sync_thread_mutex); + ut_error; + + return(slot->latch); + } + } + + mutex_exit(&sync_thread_mutex); + + return(NULL); +} + +/******************************************************************//** +Checks that the level array for the current thread is empty. +@return TRUE if empty */ +UNIV_INTERN +ibool +sync_thread_levels_empty(void) +/*==========================*/ +{ + return(sync_thread_levels_empty_gen(FALSE)); +} + +/******************************************************************//** +Adds a latch and its level in the thread level array. Allocates the memory +for the array if called first time for this OS thread. Makes the checks +against other latch levels stored in the array for this thread. */ +UNIV_INTERN +void +sync_thread_add_level( +/*==================*/ + void* latch, /*!< in: pointer to a mutex or an rw-lock */ + ulint level) /*!< in: level in the latching order; if + SYNC_LEVEL_VARYING, nothing is done */ +{ + sync_level_t* array; + sync_level_t* slot; + sync_thread_t* thread_slot; + ulint i; + + if (!sync_order_checks_on) { + + return; + } + + if ((latch == (void*)&sync_thread_mutex) + || (latch == (void*)&mutex_list_mutex) + || (latch == (void*)&rw_lock_debug_mutex) + || (latch == (void*)&rw_lock_list_mutex)) { + + return; + } + + if (level == SYNC_LEVEL_VARYING) { + + return; + } + + mutex_enter(&sync_thread_mutex); + + thread_slot = sync_thread_level_arrays_find_slot(); + + if (thread_slot == NULL) { + /* We have to allocate the level array for a new thread */ + array = ut_malloc(sizeof(sync_level_t) * SYNC_THREAD_N_LEVELS); + + thread_slot = sync_thread_level_arrays_find_free(); + + thread_slot->id = os_thread_get_curr_id(); + thread_slot->levels = array; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(array, i); + + slot->latch = NULL; + } + } + + array = thread_slot->levels; + + /* NOTE that there is a problem with _NODE and _LEAF levels: if the + B-tree height changes, then a leaf can change to an internal node + or the other way around. We do not know at present if this can cause + unnecessary assertion failures below. */ + + switch (level) { + case SYNC_NO_ORDER_CHECK: + case SYNC_EXTERN_STORAGE: + case SYNC_TREE_NODE_FROM_HASH: + /* Do no order checking */ + break; + case SYNC_MEM_POOL: + case SYNC_MEM_HASH: + case SYNC_RECV: + case SYNC_WORK_QUEUE: + case SYNC_LOG: + case SYNC_THR_LOCAL: + case SYNC_ANY_LATCH: + case SYNC_TRX_SYS_HEADER: + case SYNC_FILE_FORMAT_TAG: + case SYNC_DOUBLEWRITE: + case SYNC_BUF_FLUSH_LIST: + case SYNC_BUF_POOL: + case SYNC_SEARCH_SYS: + case SYNC_SEARCH_SYS_CONF: + case SYNC_TRX_LOCK_HEAP: + case SYNC_KERNEL: + case SYNC_IBUF_BITMAP_MUTEX: + case SYNC_RSEG: + case SYNC_TRX_UNDO: + case SYNC_PURGE_LATCH: + case SYNC_PURGE_SYS: + case SYNC_DICT_AUTOINC_MUTEX: + case SYNC_DICT_OPERATION: + case SYNC_DICT_HEADER: + case SYNC_TRX_I_S_RWLOCK: + case SYNC_TRX_I_S_LAST_READ: + if (!sync_thread_levels_g(array, level, TRUE)) { + fprintf(stderr, + "InnoDB: sync_thread_levels_g(array, %lu)" + " does not hold!\n", level); + ut_error; + } + break; + case SYNC_BUF_BLOCK: + /* Either the thread must own the buffer pool mutex + (buf_pool_mutex), or it is allowed to latch only ONE + buffer block (block->mutex or buf_pool_zip_mutex). */ + if (!sync_thread_levels_g(array, level, FALSE)) { + ut_a(sync_thread_levels_g(array, level - 1, TRUE)); + ut_a(sync_thread_levels_contain(array, SYNC_BUF_POOL)); + } + break; + case SYNC_REC_LOCK: + if (sync_thread_levels_contain(array, SYNC_KERNEL)) { + ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK, TRUE)); + } + break; + case SYNC_IBUF_BITMAP: + /* Either the thread must own the master mutex to all + the bitmap pages, or it is allowed to latch only ONE + bitmap page. */ + if (sync_thread_levels_contain(array, + SYNC_IBUF_BITMAP_MUTEX)) { + ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP, + TRUE)); + } + break; + case SYNC_FSP_PAGE: + ut_a(sync_thread_levels_contain(array, SYNC_FSP)); + break; + case SYNC_FSP: + ut_a(sync_thread_levels_contain(array, SYNC_FSP) + || sync_thread_levels_g(array, SYNC_FSP, TRUE)); + break; + case SYNC_TRX_UNDO_PAGE: + ut_a(sync_thread_levels_contain(array, SYNC_TRX_UNDO) + || sync_thread_levels_contain(array, SYNC_RSEG) + || sync_thread_levels_contain(array, SYNC_PURGE_SYS) + || sync_thread_levels_g(array, SYNC_TRX_UNDO_PAGE, TRUE)); + break; + case SYNC_RSEG_HEADER: + ut_a(sync_thread_levels_contain(array, SYNC_RSEG)); + break; + case SYNC_RSEG_HEADER_NEW: + ut_a(sync_thread_levels_contain(array, SYNC_KERNEL) + && sync_thread_levels_contain(array, SYNC_FSP_PAGE)); + break; + case SYNC_TREE_NODE: + ut_a(sync_thread_levels_contain(array, SYNC_INDEX_TREE) + || sync_thread_levels_contain(array, SYNC_DICT_OPERATION) + || sync_thread_levels_g(array, SYNC_TREE_NODE - 1, TRUE)); + break; + case SYNC_TREE_NODE_NEW: + ut_a(sync_thread_levels_contain(array, SYNC_FSP_PAGE) + || sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + break; + case SYNC_INDEX_TREE: + if (sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) + && sync_thread_levels_contain(array, SYNC_FSP)) { + ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, + TRUE)); + } else { + ut_a(sync_thread_levels_g(array, SYNC_TREE_NODE - 1, + TRUE)); + } + break; + case SYNC_IBUF_MUTEX: + ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, TRUE)); + break; + case SYNC_IBUF_PESS_INSERT_MUTEX: + ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); + ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + break; + case SYNC_IBUF_HEADER: + ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); + ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + ut_a(!sync_thread_levels_contain(array, + SYNC_IBUF_PESS_INSERT_MUTEX)); + break; + case SYNC_DICT: +#ifdef UNIV_DEBUG + ut_a(buf_debug_prints + || sync_thread_levels_g(array, SYNC_DICT, TRUE)); +#else /* UNIV_DEBUG */ + ut_a(sync_thread_levels_g(array, SYNC_DICT, TRUE)); +#endif /* UNIV_DEBUG */ + break; + default: + ut_error; + } + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(array, i); + + if (slot->latch == NULL) { + slot->latch = latch; + slot->level = level; + + break; + } + } + + ut_a(i < SYNC_THREAD_N_LEVELS); + + mutex_exit(&sync_thread_mutex); +} + +/******************************************************************//** +Removes a latch from the thread level array if it is found there. +@return TRUE if found in the array; it is no error if the latch is +not found, as we presently are not able to determine the level for +every latch reservation the program does */ +UNIV_INTERN +ibool +sync_thread_reset_level( +/*====================*/ + void* latch) /*!< in: pointer to a mutex or an rw-lock */ +{ + sync_level_t* array; + sync_level_t* slot; + sync_thread_t* thread_slot; + ulint i; + + if (!sync_order_checks_on) { + + return(FALSE); + } + + if ((latch == (void*)&sync_thread_mutex) + || (latch == (void*)&mutex_list_mutex) + || (latch == (void*)&rw_lock_debug_mutex) + || (latch == (void*)&rw_lock_list_mutex)) { + + return(FALSE); + } + + mutex_enter(&sync_thread_mutex); + + thread_slot = sync_thread_level_arrays_find_slot(); + + if (thread_slot == NULL) { + + ut_error; + + mutex_exit(&sync_thread_mutex); + return(FALSE); + } + + array = thread_slot->levels; + + for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { + + slot = sync_thread_levels_get_nth(array, i); + + if (slot->latch == latch) { + slot->latch = NULL; + + mutex_exit(&sync_thread_mutex); + + return(TRUE); + } + } + + if (((mutex_t*) latch)->magic_n != MUTEX_MAGIC_N) { + rw_lock_t* rw_lock; + + rw_lock = (rw_lock_t*) latch; + + if (rw_lock->level == SYNC_LEVEL_VARYING) { + mutex_exit(&sync_thread_mutex); + + return(TRUE); + } + } + + ut_error; + + mutex_exit(&sync_thread_mutex); + + return(FALSE); +} +#endif /* UNIV_SYNC_DEBUG */ + +/******************************************************************//** +Initializes the synchronization data structures. */ +UNIV_INTERN +void +sync_init(void) +/*===========*/ +{ +#ifdef UNIV_SYNC_DEBUG + sync_thread_t* thread_slot; + ulint i; +#endif /* UNIV_SYNC_DEBUG */ + + ut_a(sync_initialized == FALSE); + + sync_initialized = TRUE; + + /* Create the primary system wait array which is protected by an OS + mutex */ + + sync_primary_wait_array = sync_array_create(OS_THREAD_MAX_N, + SYNC_ARRAY_OS_MUTEX); +#ifdef UNIV_SYNC_DEBUG + /* Create the thread latch level array where the latch levels + are stored for each OS thread */ + + sync_thread_level_arrays = ut_malloc(OS_THREAD_MAX_N + * sizeof(sync_thread_t)); + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + thread_slot = sync_thread_level_arrays_get_nth(i); + thread_slot->levels = NULL; + } +#endif /* UNIV_SYNC_DEBUG */ + /* Init the mutex list and create the mutex to protect it. */ + + UT_LIST_INIT(mutex_list); + mutex_create(&mutex_list_mutex, SYNC_NO_ORDER_CHECK); +#ifdef UNIV_SYNC_DEBUG + mutex_create(&sync_thread_mutex, SYNC_NO_ORDER_CHECK); +#endif /* UNIV_SYNC_DEBUG */ + + /* Init the rw-lock list and create the mutex to protect it. */ + + UT_LIST_INIT(rw_lock_list); + mutex_create(&rw_lock_list_mutex, SYNC_NO_ORDER_CHECK); + +#ifdef UNIV_SYNC_DEBUG + mutex_create(&rw_lock_debug_mutex, SYNC_NO_ORDER_CHECK); + + rw_lock_debug_event = os_event_create(NULL); + rw_lock_debug_waiters = FALSE; +#endif /* UNIV_SYNC_DEBUG */ +} + +/******************************************************************//** +Frees the resources in InnoDB's own synchronization data structures. Use +os_sync_free() after calling this. */ +UNIV_INTERN +void +sync_close(void) +/*===========*/ +{ + mutex_t* mutex; + + sync_array_free(sync_primary_wait_array); + + mutex = UT_LIST_GET_FIRST(mutex_list); + + while (mutex) { +#ifdef UNIV_MEM_DEBUG + if (mutex == &mem_hash_mutex) { + mutex = UT_LIST_GET_NEXT(list, mutex); + continue; + } +#endif /* UNIV_MEM_DEBUG */ + mutex_free(mutex); + mutex = UT_LIST_GET_FIRST(mutex_list); + } + + mutex_free(&mutex_list_mutex); +#ifdef UNIV_SYNC_DEBUG + mutex_free(&sync_thread_mutex); + + /* Switch latching order checks on in sync0sync.c */ + sync_order_checks_on = FALSE; +#endif /* UNIV_SYNC_DEBUG */ + + sync_initialized = FALSE; +} + +/*******************************************************************//** +Prints wait info of the sync system. */ +UNIV_INTERN +void +sync_print_wait_info( +/*=================*/ + FILE* file) /*!< in: file where to print */ +{ +#ifdef UNIV_SYNC_DEBUG + fprintf(file, "Mutex exits %llu, rws exits %llu, rwx exits %llu\n", + mutex_exit_count, rw_s_exit_count, rw_x_exit_count); +#endif + + fprintf(file, + "Mutex spin waits %llu, rounds %llu, OS waits %llu\n" + "RW-shared spins %llu, OS waits %llu;" + " RW-excl spins %llu, OS waits %llu\n", + mutex_spin_wait_count, + mutex_spin_round_count, + mutex_os_wait_count, + rw_s_spin_wait_count, + rw_s_os_wait_count, + rw_x_spin_wait_count, + rw_x_os_wait_count); + + fprintf(file, + "Spin rounds per wait: %.2f mutex, %.2f RW-shared, " + "%.2f RW-excl\n", + (double) mutex_spin_round_count / + (mutex_spin_wait_count ? mutex_spin_wait_count : 1), + (double) rw_s_spin_round_count / + (rw_s_spin_wait_count ? rw_s_spin_wait_count : 1), + (double) rw_x_spin_round_count / + (rw_x_spin_wait_count ? rw_x_spin_wait_count : 1)); +} + +/*******************************************************************//** +Prints info of the sync system. */ +UNIV_INTERN +void +sync_print( +/*=======*/ + FILE* file) /*!< in: file where to print */ +{ +#ifdef UNIV_SYNC_DEBUG + mutex_list_print_info(file); + + rw_lock_list_print_info(file); +#endif /* UNIV_SYNC_DEBUG */ + + sync_array_print_info(file, sync_primary_wait_array); + + sync_print_wait_info(file); +} diff --git a/perfschema/thr/thr0loc.c b/perfschema/thr/thr0loc.c new file mode 100644 index 00000000000..59a234a6b72 --- /dev/null +++ b/perfschema/thr/thr0loc.c @@ -0,0 +1,279 @@ +/***************************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file thr/thr0loc.c +The thread local storage + +Created 10/5/1995 Heikki Tuuri +*******************************************************/ + +#include "thr0loc.h" +#ifdef UNIV_NONINL +#include "thr0loc.ic" +#endif + +#include "sync0sync.h" +#include "hash0hash.h" +#include "mem0mem.h" +#include "srv0srv.h" + +/* + IMPLEMENTATION OF THREAD LOCAL STORAGE + ====================================== + +The threads sometimes need private data which depends on the thread id. +This is implemented as a hash table, where the hash value is calculated +from the thread id, to prepare for a large number of threads. The hash table +is protected by a mutex. If you need modify the program and put new data to +the thread local storage, just add it to struct thr_local_struct in the +header file. */ + +/** Mutex protecting thr_local_hash */ +static mutex_t thr_local_mutex; + +/** The hash table. The module is not yet initialized when it is NULL. */ +static hash_table_t* thr_local_hash = NULL; + +/** Thread local data */ +typedef struct thr_local_struct thr_local_t; + +/** @brief Thread local data. +The private data for each thread should be put to +the structure below and the accessor functions written +for the field. */ +struct thr_local_struct{ + os_thread_id_t id; /*!< id of the thread which owns this struct */ + os_thread_t handle; /*!< operating system handle to the thread */ + ulint slot_no;/*!< the index of the slot in the thread table + for this thread */ + ibool in_ibuf;/*!< TRUE if the thread is doing an ibuf + operation */ + hash_node_t hash; /*!< hash chain node */ + ulint magic_n;/*!< magic number (THR_LOCAL_MAGIC_N) */ +}; + +/** The value of thr_local_struct::magic_n */ +#define THR_LOCAL_MAGIC_N 1231234 + +/*******************************************************************//** +Returns the local storage struct for a thread. +@return local storage */ +static +thr_local_t* +thr_local_get( +/*==========*/ + os_thread_id_t id) /*!< in: thread id of the thread */ +{ + thr_local_t* local; + +try_again: + ut_ad(thr_local_hash); + ut_ad(mutex_own(&thr_local_mutex)); + + /* Look for the local struct in the hash table */ + + local = NULL; + + HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), + thr_local_t*, local,, os_thread_eq(local->id, id)); + if (local == NULL) { + mutex_exit(&thr_local_mutex); + + thr_local_create(); + + mutex_enter(&thr_local_mutex); + + goto try_again; + } + + ut_ad(local->magic_n == THR_LOCAL_MAGIC_N); + + return(local); +} + +/*******************************************************************//** +Gets the slot number in the thread table of a thread. +@return slot number */ +UNIV_INTERN +ulint +thr_local_get_slot_no( +/*==================*/ + os_thread_id_t id) /*!< in: thread id of the thread */ +{ + ulint slot_no; + thr_local_t* local; + + mutex_enter(&thr_local_mutex); + + local = thr_local_get(id); + + slot_no = local->slot_no; + + mutex_exit(&thr_local_mutex); + + return(slot_no); +} + +/*******************************************************************//** +Sets the slot number in the thread table of a thread. */ +UNIV_INTERN +void +thr_local_set_slot_no( +/*==================*/ + os_thread_id_t id, /*!< in: thread id of the thread */ + ulint slot_no)/*!< in: slot number */ +{ + thr_local_t* local; + + mutex_enter(&thr_local_mutex); + + local = thr_local_get(id); + + local->slot_no = slot_no; + + mutex_exit(&thr_local_mutex); +} + +/*******************************************************************//** +Returns pointer to the 'in_ibuf' field within the current thread local +storage. +@return pointer to the in_ibuf field */ +UNIV_INTERN +ibool* +thr_local_get_in_ibuf_field(void) +/*=============================*/ +{ + thr_local_t* local; + + mutex_enter(&thr_local_mutex); + + local = thr_local_get(os_thread_get_curr_id()); + + mutex_exit(&thr_local_mutex); + + return(&(local->in_ibuf)); +} + +/*******************************************************************//** +Creates a local storage struct for the calling new thread. */ +UNIV_INTERN +void +thr_local_create(void) +/*==================*/ +{ + thr_local_t* local; + + if (thr_local_hash == NULL) { + thr_local_init(); + } + + local = mem_alloc(sizeof(thr_local_t)); + + local->id = os_thread_get_curr_id(); + local->handle = os_thread_get_curr(); + local->magic_n = THR_LOCAL_MAGIC_N; + + local->in_ibuf = FALSE; + + mutex_enter(&thr_local_mutex); + + HASH_INSERT(thr_local_t, hash, thr_local_hash, + os_thread_pf(os_thread_get_curr_id()), + local); + + mutex_exit(&thr_local_mutex); +} + +/*******************************************************************//** +Frees the local storage struct for the specified thread. */ +UNIV_INTERN +void +thr_local_free( +/*===========*/ + os_thread_id_t id) /*!< in: thread id */ +{ + thr_local_t* local; + + mutex_enter(&thr_local_mutex); + + /* Look for the local struct in the hash table */ + + HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), + thr_local_t*, local,, os_thread_eq(local->id, id)); + if (local == NULL) { + mutex_exit(&thr_local_mutex); + + return; + } + + HASH_DELETE(thr_local_t, hash, thr_local_hash, + os_thread_pf(id), local); + + mutex_exit(&thr_local_mutex); + + ut_a(local->magic_n == THR_LOCAL_MAGIC_N); + + mem_free(local); +} + +/****************************************************************//** +Initializes the thread local storage module. */ +UNIV_INTERN +void +thr_local_init(void) +/*================*/ +{ + + ut_a(thr_local_hash == NULL); + + thr_local_hash = hash_create(OS_THREAD_MAX_N + 100); + + mutex_create(&thr_local_mutex, SYNC_THR_LOCAL); +} + +/******************************************************************** +Close the thread local storage module. */ +UNIV_INTERN +void +thr_local_close(void) +/*=================*/ +{ + ulint i; + + ut_a(thr_local_hash != NULL); + + /* Free the hash elements. We don't remove them from the table + because we are going to destroy the table anyway. */ + for (i = 0; i < hash_get_n_cells(thr_local_hash); i++) { + thr_local_t* local; + + local = HASH_GET_FIRST(thr_local_hash, i); + + while (local) { + thr_local_t* prev_local = local; + + local = HASH_GET_NEXT(hash, prev_local); + ut_a(prev_local->magic_n == THR_LOCAL_MAGIC_N); + mem_free(prev_local); + } + } + + hash_table_free(thr_local_hash); + thr_local_hash = NULL; +} diff --git a/perfschema/trx/trx0i_s.c b/perfschema/trx/trx0i_s.c new file mode 100644 index 00000000000..1b20eaabf42 --- /dev/null +++ b/perfschema/trx/trx0i_s.c @@ -0,0 +1,1476 @@ +/***************************************************************************** + +Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0i_s.c +INFORMATION SCHEMA innodb_trx, innodb_locks and +innodb_lock_waits tables fetch code. + +The code below fetches information needed to fill those +3 dynamic tables and uploads it into a "transactions +table cache" for later retrieval. + +Created July 17, 2007 Vasil Dimov +*******************************************************/ + +#include + +#include "mysql_addons.h" + +#include "univ.i" +#include "buf0buf.h" +#include "dict0dict.h" +#include "ha0storage.h" +#include "ha_prototypes.h" +#include "hash0hash.h" +#include "lock0iter.h" +#include "lock0lock.h" +#include "mem0mem.h" +#include "page0page.h" +#include "rem0rec.h" +#include "row0row.h" +#include "srv0srv.h" +#include "sync0rw.h" +#include "sync0sync.h" +#include "sync0types.h" +#include "trx0i_s.h" +#include "trx0sys.h" +#include "trx0trx.h" +#include "ut0mem.h" +#include "ut0ut.h" + +/** Initial number of rows in the table cache */ +#define TABLE_CACHE_INITIAL_ROWSNUM 1024 + +/** @brief The maximum number of chunks to allocate for a table cache. + +The rows of a table cache are stored in a set of chunks. When a new +row is added a new chunk is allocated if necessary. Assuming that the +first one is 1024 rows (TABLE_CACHE_INITIAL_ROWSNUM) and each +subsequent is N/2 where N is the number of rows we have allocated till +now, then 39th chunk would accommodate 1677416425 rows and all chunks +would accommodate 3354832851 rows. */ +#define MEM_CHUNKS_IN_TABLE_CACHE 39 + +/** The following are some testing auxiliary macros. Do not enable them +in a production environment. */ +/* @{ */ + +#if 0 +/** If this is enabled then lock folds will always be different +resulting in equal rows being put in a different cells of the hash +table. Checking for duplicates will be flawed because different +fold will be calculated when a row is searched in the hash table. */ +#define TEST_LOCK_FOLD_ALWAYS_DIFFERENT +#endif + +#if 0 +/** This effectively kills the search-for-duplicate-before-adding-a-row +function, but searching in the hash is still performed. It will always +be assumed that lock is not present and insertion will be performed in +the hash table. */ +#define TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T +#endif + +#if 0 +/** This aggressively repeats adding each row many times. Depending on +the above settings this may be noop or may result in lots of rows being +added. */ +#define TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES +#endif + +#if 0 +/** Very similar to TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T but hash +table search is not performed at all. */ +#define TEST_DO_NOT_CHECK_FOR_DUPLICATE_ROWS +#endif + +#if 0 +/** Do not insert each row into the hash table, duplicates may appear +if this is enabled, also if this is enabled searching into the hash is +noop because it will be empty. */ +#define TEST_DO_NOT_INSERT_INTO_THE_HASH_TABLE +#endif +/* @} */ + +/** Memory limit passed to ha_storage_put_memlim(). +@param cache hash storage +@return maximum allowed allocation size */ +#define MAX_ALLOWED_FOR_STORAGE(cache) \ + (TRX_I_S_MEM_LIMIT \ + - (cache)->mem_allocd) + +/** Memory limit in table_cache_create_empty_row(). +@param cache hash storage +@return maximum allowed allocation size */ +#define MAX_ALLOWED_FOR_ALLOC(cache) \ + (TRX_I_S_MEM_LIMIT \ + - (cache)->mem_allocd \ + - ha_storage_get_size((cache)->storage)) + +/** Memory for each table in the intermediate buffer is allocated in +separate chunks. These chunks are considered to be concatenated to +represent one flat array of rows. */ +typedef struct i_s_mem_chunk_struct { + ulint offset; /*!< offset, in number of rows */ + ulint rows_allocd; /*!< the size of this chunk, in number + of rows */ + void* base; /*!< start of the chunk */ +} i_s_mem_chunk_t; + +/** This represents one table's cache. */ +typedef struct i_s_table_cache_struct { + ulint rows_used; /*!< number of used rows */ + ulint rows_allocd; /*!< number of allocated rows */ + ulint row_size; /*!< size of a single row */ + i_s_mem_chunk_t chunks[MEM_CHUNKS_IN_TABLE_CACHE]; /*!< array of + memory chunks that stores the + rows */ +} i_s_table_cache_t; + +/** This structure describes the intermediate buffer */ +struct trx_i_s_cache_struct { + rw_lock_t rw_lock; /*!< read-write lock protecting + the rest of this structure */ + ullint last_read; /*!< last time the cache was read; + measured in microseconds since + epoch */ + mutex_t last_read_mutex;/*!< mutex protecting the + last_read member - it is updated + inside a shared lock of the + rw_lock member */ + i_s_table_cache_t innodb_trx; /*!< innodb_trx table */ + i_s_table_cache_t innodb_locks; /*!< innodb_locks table */ + i_s_table_cache_t innodb_lock_waits;/*!< innodb_lock_waits table */ +/** the hash table size is LOCKS_HASH_CELLS_NUM * sizeof(void*) bytes */ +#define LOCKS_HASH_CELLS_NUM 10000 + hash_table_t* locks_hash; /*!< hash table used to eliminate + duplicate entries in the + innodb_locks table */ +/** Initial size of the cache storage */ +#define CACHE_STORAGE_INITIAL_SIZE 1024 +/** Number of hash cells in the cache storage */ +#define CACHE_STORAGE_HASH_CELLS 2048 + ha_storage_t* storage; /*!< storage for external volatile + data that can possibly not be + available later, when we release + the kernel mutex */ + ulint mem_allocd; /*!< the amount of memory + allocated with mem_alloc*() */ + ibool is_truncated; /*!< this is TRUE if the memory + limit was hit and thus the data + in the cache is truncated */ +}; + +/** This is the intermediate buffer where data needed to fill the +INFORMATION SCHEMA tables is fetched and later retrieved by the C++ +code in handler/i_s.cc. */ +static trx_i_s_cache_t trx_i_s_cache_static; +/** This is the intermediate buffer where data needed to fill the +INFORMATION SCHEMA tables is fetched and later retrieved by the C++ +code in handler/i_s.cc. */ +UNIV_INTERN trx_i_s_cache_t* trx_i_s_cache = &trx_i_s_cache_static; + +/*******************************************************************//** +For a record lock that is in waiting state retrieves the only bit that +is set, for a table lock returns ULINT_UNDEFINED. +@return record number within the heap */ +static +ulint +wait_lock_get_heap_no( +/*==================*/ + const lock_t* lock) /*!< in: lock */ +{ + ulint ret; + + switch (lock_get_type(lock)) { + case LOCK_REC: + ret = lock_rec_find_set_bit(lock); + ut_a(ret != ULINT_UNDEFINED); + break; + case LOCK_TABLE: + ret = ULINT_UNDEFINED; + break; + default: + ut_error; + } + + return(ret); +} + +/*******************************************************************//** +Initializes the members of a table cache. */ +static +void +table_cache_init( +/*=============*/ + i_s_table_cache_t* table_cache, /*!< out: table cache */ + size_t row_size) /*!< in: the size of a + row */ +{ + ulint i; + + table_cache->rows_used = 0; + table_cache->rows_allocd = 0; + table_cache->row_size = row_size; + + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + /* the memory is actually allocated in + table_cache_create_empty_row() */ + table_cache->chunks[i].base = NULL; + } +} + +/*******************************************************************//** +Frees a table cache. */ +static +void +table_cache_free( +/*=============*/ + i_s_table_cache_t* table_cache) /*!< in/out: table cache */ +{ + ulint i; + + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + /* the memory is actually allocated in + table_cache_create_empty_row() */ + if (table_cache->chunks[i].base) { + mem_free(table_cache->chunks[i].base); + table_cache->chunks[i].base = NULL; + } + } +} + +/*******************************************************************//** +Returns an empty row from a table cache. The row is allocated if no more +empty rows are available. The number of used rows is incremented. +If the memory limit is hit then NULL is returned and nothing is +allocated. +@return empty row, or NULL if out of memory */ +static +void* +table_cache_create_empty_row( +/*=========================*/ + i_s_table_cache_t* table_cache, /*!< in/out: table cache */ + trx_i_s_cache_t* cache) /*!< in/out: cache to record + how many bytes are + allocated */ +{ + ulint i; + void* row; + + ut_a(table_cache->rows_used <= table_cache->rows_allocd); + + if (table_cache->rows_used == table_cache->rows_allocd) { + + /* rows_used == rows_allocd means that new chunk needs + to be allocated: either no more empty rows in the + last allocated chunk or nothing has been allocated yet + (rows_num == rows_allocd == 0); */ + + i_s_mem_chunk_t* chunk; + ulint req_bytes; + ulint got_bytes; + ulint req_rows; + ulint got_rows; + + /* find the first not allocated chunk */ + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + if (table_cache->chunks[i].base == NULL) { + + break; + } + } + + /* i == MEM_CHUNKS_IN_TABLE_CACHE means that all chunks + have been allocated :-X */ + ut_a(i < MEM_CHUNKS_IN_TABLE_CACHE); + + /* allocate the chunk we just found */ + + if (i == 0) { + + /* first chunk, nothing is allocated yet */ + req_rows = TABLE_CACHE_INITIAL_ROWSNUM; + } else { + + /* Memory is increased by the formula + new = old + old / 2; We are trying not to be + aggressive here (= using the common new = old * 2) + because the allocated memory will not be freed + until InnoDB exit (it is reused). So it is better + to once allocate the memory in more steps, but + have less unused/wasted memory than to use less + steps in allocation (which is done once in a + lifetime) but end up with lots of unused/wasted + memory. */ + req_rows = table_cache->rows_allocd / 2; + } + req_bytes = req_rows * table_cache->row_size; + + if (req_bytes > MAX_ALLOWED_FOR_ALLOC(cache)) { + + return(NULL); + } + + chunk = &table_cache->chunks[i]; + + chunk->base = mem_alloc2(req_bytes, &got_bytes); + + got_rows = got_bytes / table_cache->row_size; + + cache->mem_allocd += got_bytes; + +#if 0 + printf("allocating chunk %d req bytes=%lu, got bytes=%lu, " + "row size=%lu, " + "req rows=%lu, got rows=%lu\n", + i, req_bytes, got_bytes, + table_cache->row_size, + req_rows, got_rows); +#endif + + chunk->rows_allocd = got_rows; + + table_cache->rows_allocd += got_rows; + + /* adjust the offset of the next chunk */ + if (i < MEM_CHUNKS_IN_TABLE_CACHE - 1) { + + table_cache->chunks[i + 1].offset + = chunk->offset + chunk->rows_allocd; + } + + /* return the first empty row in the newly allocated + chunk */ + row = chunk->base; + } else { + + char* chunk_start; + ulint offset; + + /* there is an empty row, no need to allocate new + chunks */ + + /* find the first chunk that contains allocated but + empty/unused rows */ + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + if (table_cache->chunks[i].offset + + table_cache->chunks[i].rows_allocd + > table_cache->rows_used) { + + break; + } + } + + /* i == MEM_CHUNKS_IN_TABLE_CACHE means that all chunks + are full, but + table_cache->rows_used != table_cache->rows_allocd means + exactly the opposite - there are allocated but + empty/unused rows :-X */ + ut_a(i < MEM_CHUNKS_IN_TABLE_CACHE); + + chunk_start = (char*) table_cache->chunks[i].base; + offset = table_cache->rows_used + - table_cache->chunks[i].offset; + + row = chunk_start + offset * table_cache->row_size; + } + + table_cache->rows_used++; + + return(row); +} + +/*******************************************************************//** +Fills i_s_trx_row_t object. +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ +static +ibool +fill_trx_row( +/*=========*/ + i_s_trx_row_t* row, /*!< out: result object + that's filled */ + const trx_t* trx, /*!< in: transaction to + get data from */ + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the + corresponding row in + innodb_locks if trx is + waiting or NULL if trx + is not waiting */ + trx_i_s_cache_t* cache) /*!< in/out: cache into + which to copy volatile + strings */ +{ + row->trx_id = trx_get_id(trx); + row->trx_started = (ib_time_t) trx->start_time; + row->trx_state = trx_get_que_state_str(trx); + + if (trx->wait_lock != NULL) { + + ut_a(requested_lock_row != NULL); + + row->requested_lock_row = requested_lock_row; + row->trx_wait_started = (ib_time_t) trx->wait_started; + } else { + + ut_a(requested_lock_row == NULL); + + row->requested_lock_row = NULL; + row->trx_wait_started = 0; + } + + row->trx_weight = (ullint) ut_conv_dulint_to_longlong(TRX_WEIGHT(trx)); + + if (trx->mysql_thd != NULL) { + row->trx_mysql_thread_id + = thd_get_thread_id(trx->mysql_thd); + } else { + /* For internal transactions e.g., purge and transactions + being recovered at startup there is no associated MySQL + thread data structure. */ + row->trx_mysql_thread_id = 0; + } + + if (trx->mysql_query_str != NULL && *trx->mysql_query_str != NULL) { + + if (strlen(*trx->mysql_query_str) + > TRX_I_S_TRX_QUERY_MAX_LEN) { + + char query[TRX_I_S_TRX_QUERY_MAX_LEN + 1]; + + memcpy(query, *trx->mysql_query_str, + TRX_I_S_TRX_QUERY_MAX_LEN); + query[TRX_I_S_TRX_QUERY_MAX_LEN] = '\0'; + + row->trx_query = ha_storage_put_memlim( + cache->storage, query, + TRX_I_S_TRX_QUERY_MAX_LEN + 1, + MAX_ALLOWED_FOR_STORAGE(cache)); + } else { + + row->trx_query = ha_storage_put_str_memlim( + cache->storage, *trx->mysql_query_str, + MAX_ALLOWED_FOR_STORAGE(cache)); + } + + if (row->trx_query == NULL) { + + return(FALSE); + } + } else { + + row->trx_query = NULL; + } + + return(TRUE); +} + +/*******************************************************************//** +Format the nth field of "rec" and put it in "buf". The result is always +NUL-terminated. Returns the number of bytes that were written to "buf" +(including the terminating NUL). +@return end of the result */ +static +ulint +put_nth_field( +/*==========*/ + char* buf, /*!< out: buffer */ + ulint buf_size,/*!< in: buffer size in bytes */ + ulint n, /*!< in: number of field */ + const dict_index_t* index, /*!< in: index */ + const rec_t* rec, /*!< in: record */ + const ulint* offsets)/*!< in: record offsets, returned + by rec_get_offsets() */ +{ + const byte* data; + ulint data_len; + dict_field_t* dict_field; + ulint ret; + + ut_ad(rec_offs_validate(rec, NULL, offsets)); + + if (buf_size == 0) { + + return(0); + } + + ret = 0; + + if (n > 0) { + /* we must append ", " before the actual data */ + + if (buf_size < 3) { + + buf[0] = '\0'; + return(1); + } + + memcpy(buf, ", ", 3); + + buf += 2; + buf_size -= 2; + ret += 2; + } + + /* now buf_size >= 1 */ + + data = rec_get_nth_field(rec, offsets, n, &data_len); + + dict_field = dict_index_get_nth_field(index, n); + + ret += row_raw_format((const char*) data, data_len, + dict_field, buf, buf_size); + + return(ret); +} + +/*******************************************************************//** +Fills the "lock_data" member of i_s_locks_row_t object. +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ +static +ibool +fill_lock_data( +/*===========*/ + const char** lock_data,/*!< out: "lock_data" to fill */ + const lock_t* lock, /*!< in: lock used to find the data */ + ulint heap_no,/*!< in: rec num used to find the data */ + trx_i_s_cache_t* cache) /*!< in/out: cache where to store + volatile data */ +{ + mtr_t mtr; + + const buf_block_t* block; + const page_t* page; + const rec_t* rec; + + ut_a(lock_get_type(lock) == LOCK_REC); + + mtr_start(&mtr); + + block = buf_page_try_get(lock_rec_get_space_id(lock), + lock_rec_get_page_no(lock), + &mtr); + + if (block == NULL) { + + *lock_data = NULL; + + mtr_commit(&mtr); + + return(TRUE); + } + + page = (const page_t*) buf_block_get_frame(block); + + rec = page_find_rec_with_heap_no(page, heap_no); + + if (page_rec_is_infimum(rec)) { + + *lock_data = ha_storage_put_str_memlim( + cache->storage, "infimum pseudo-record", + MAX_ALLOWED_FOR_STORAGE(cache)); + } else if (page_rec_is_supremum(rec)) { + + *lock_data = ha_storage_put_str_memlim( + cache->storage, "supremum pseudo-record", + MAX_ALLOWED_FOR_STORAGE(cache)); + } else { + + const dict_index_t* index; + ulint n_fields; + mem_heap_t* heap; + ulint offsets_onstack[REC_OFFS_NORMAL_SIZE]; + ulint* offsets; + char buf[TRX_I_S_LOCK_DATA_MAX_LEN]; + ulint buf_used; + ulint i; + + rec_offs_init(offsets_onstack); + offsets = offsets_onstack; + + index = lock_rec_get_index(lock); + + n_fields = dict_index_get_n_unique(index); + + ut_a(n_fields > 0); + + heap = NULL; + offsets = rec_get_offsets(rec, index, offsets, n_fields, + &heap); + + /* format and store the data */ + + buf_used = 0; + for (i = 0; i < n_fields; i++) { + + buf_used += put_nth_field( + buf + buf_used, sizeof(buf) - buf_used, + i, index, rec, offsets) - 1; + } + + *lock_data = (const char*) ha_storage_put_memlim( + cache->storage, buf, buf_used + 1, + MAX_ALLOWED_FOR_STORAGE(cache)); + + if (UNIV_UNLIKELY(heap != NULL)) { + + /* this means that rec_get_offsets() has created a new + heap and has stored offsets in it; check that this is + really the case and free the heap */ + ut_a(offsets != offsets_onstack); + mem_heap_free(heap); + } + } + + mtr_commit(&mtr); + + if (*lock_data == NULL) { + + return(FALSE); + } + + return(TRUE); +} + +/*******************************************************************//** +Fills i_s_locks_row_t object. Returns its first argument. +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ +static +ibool +fill_locks_row( +/*===========*/ + i_s_locks_row_t* row, /*!< out: result object that's filled */ + const lock_t* lock, /*!< in: lock to get data from */ + ulint heap_no,/*!< in: lock's record number + or ULINT_UNDEFINED if the lock + is a table lock */ + trx_i_s_cache_t* cache) /*!< in/out: cache into which to copy + volatile strings */ +{ + row->lock_trx_id = lock_get_trx_id(lock); + row->lock_mode = lock_get_mode_str(lock); + row->lock_type = lock_get_type_str(lock); + + row->lock_table = ha_storage_put_str_memlim( + cache->storage, lock_get_table_name(lock), + MAX_ALLOWED_FOR_STORAGE(cache)); + + /* memory could not be allocated */ + if (row->lock_table == NULL) { + + return(FALSE); + } + + switch (lock_get_type(lock)) { + case LOCK_REC: + row->lock_index = ha_storage_put_str_memlim( + cache->storage, lock_rec_get_index_name(lock), + MAX_ALLOWED_FOR_STORAGE(cache)); + + /* memory could not be allocated */ + if (row->lock_index == NULL) { + + return(FALSE); + } + + row->lock_space = lock_rec_get_space_id(lock); + row->lock_page = lock_rec_get_page_no(lock); + row->lock_rec = heap_no; + + if (!fill_lock_data(&row->lock_data, lock, heap_no, cache)) { + + /* memory could not be allocated */ + return(FALSE); + } + + break; + case LOCK_TABLE: + row->lock_index = NULL; + + row->lock_space = ULINT_UNDEFINED; + row->lock_page = ULINT_UNDEFINED; + row->lock_rec = ULINT_UNDEFINED; + + row->lock_data = NULL; + + break; + default: + ut_error; + } + + row->lock_table_id = lock_get_table_id(lock); + + row->hash_chain.value = row; + + return(TRUE); +} + +/*******************************************************************//** +Fills i_s_lock_waits_row_t object. Returns its first argument. +@return result object that's filled */ +static +i_s_lock_waits_row_t* +fill_lock_waits_row( +/*================*/ + i_s_lock_waits_row_t* row, /*!< out: result object + that's filled */ + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the + relevant requested lock + row in innodb_locks */ + const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the + relevant blocking lock + row in innodb_locks */ +{ + row->requested_lock_row = requested_lock_row; + row->blocking_lock_row = blocking_lock_row; + + return(row); +} + +/*******************************************************************//** +Calculates a hash fold for a lock. For a record lock the fold is +calculated from 4 elements, which uniquely identify a lock at a given +point in time: transaction id, space id, page number, record number. +For a table lock the fold is table's id. +@return fold */ +static +ulint +fold_lock( +/*======*/ + const lock_t* lock, /*!< in: lock object to fold */ + ulint heap_no)/*!< in: lock's record number + or ULINT_UNDEFINED if the lock + is a table lock */ +{ +#ifdef TEST_LOCK_FOLD_ALWAYS_DIFFERENT + static ulint fold = 0; + + return(fold++); +#else + ulint ret; + + switch (lock_get_type(lock)) { + case LOCK_REC: + ut_a(heap_no != ULINT_UNDEFINED); + + ret = ut_fold_ulint_pair((ulint) lock_get_trx_id(lock), + lock_rec_get_space_id(lock)); + + ret = ut_fold_ulint_pair(ret, + lock_rec_get_page_no(lock)); + + ret = ut_fold_ulint_pair(ret, heap_no); + + break; + case LOCK_TABLE: + /* this check is actually not necessary for continuing + correct operation, but something must have gone wrong if + it fails. */ + ut_a(heap_no == ULINT_UNDEFINED); + + ret = (ulint) lock_get_table_id(lock); + + break; + default: + ut_error; + } + + return(ret); +#endif +} + +/*******************************************************************//** +Checks whether i_s_locks_row_t object represents a lock_t object. +@return TRUE if they match */ +static +ibool +locks_row_eq_lock( +/*==============*/ + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + const lock_t* lock, /*!< in: lock object */ + ulint heap_no)/*!< in: lock's record number + or ULINT_UNDEFINED if the lock + is a table lock */ +{ +#ifdef TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T + return(0); +#else + switch (lock_get_type(lock)) { + case LOCK_REC: + ut_a(heap_no != ULINT_UNDEFINED); + + return(row->lock_trx_id == lock_get_trx_id(lock) + && row->lock_space == lock_rec_get_space_id(lock) + && row->lock_page == lock_rec_get_page_no(lock) + && row->lock_rec == heap_no); + + case LOCK_TABLE: + /* this check is actually not necessary for continuing + correct operation, but something must have gone wrong if + it fails. */ + ut_a(heap_no == ULINT_UNDEFINED); + + return(row->lock_trx_id == lock_get_trx_id(lock) + && row->lock_table_id == lock_get_table_id(lock)); + + default: + ut_error; + return(FALSE); + } +#endif +} + +/*******************************************************************//** +Searches for a row in the innodb_locks cache that has a specified id. +This happens in O(1) time since a hash table is used. Returns pointer to +the row or NULL if none is found. +@return row or NULL */ +static +i_s_locks_row_t* +search_innodb_locks( +/*================*/ + trx_i_s_cache_t* cache, /*!< in: cache */ + const lock_t* lock, /*!< in: lock to search for */ + ulint heap_no)/*!< in: lock's record number + or ULINT_UNDEFINED if the lock + is a table lock */ +{ + i_s_hash_chain_t* hash_chain; + + HASH_SEARCH( + /* hash_chain->"next" */ + next, + /* the hash table */ + cache->locks_hash, + /* fold */ + fold_lock(lock, heap_no), + /* the type of the next variable */ + i_s_hash_chain_t*, + /* auxiliary variable */ + hash_chain, + /* assertion on every traversed item */ + , + /* this determines if we have found the lock */ + locks_row_eq_lock(hash_chain->value, lock, heap_no)); + + if (hash_chain == NULL) { + + return(NULL); + } + /* else */ + + return(hash_chain->value); +} + +/*******************************************************************//** +Adds new element to the locks cache, enlarging it if necessary. +Returns a pointer to the added row. If the row is already present then +no row is added and a pointer to the existing row is returned. +If row can not be allocated then NULL is returned. +@return row */ +static +i_s_locks_row_t* +add_lock_to_cache( +/*==============*/ + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const lock_t* lock, /*!< in: the element to add */ + ulint heap_no)/*!< in: lock's record number + or ULINT_UNDEFINED if the lock + is a table lock */ +{ + i_s_locks_row_t* dst_row; + +#ifdef TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES + ulint i; + for (i = 0; i < 10000; i++) { +#endif +#ifndef TEST_DO_NOT_CHECK_FOR_DUPLICATE_ROWS + /* quit if this lock is already present */ + dst_row = search_innodb_locks(cache, lock, heap_no); + if (dst_row != NULL) { + + return(dst_row); + } +#endif + + dst_row = (i_s_locks_row_t*) + table_cache_create_empty_row(&cache->innodb_locks, cache); + + /* memory could not be allocated */ + if (dst_row == NULL) { + + return(NULL); + } + + if (!fill_locks_row(dst_row, lock, heap_no, cache)) { + + /* memory could not be allocated */ + cache->innodb_locks.rows_used--; + return(NULL); + } + +#ifndef TEST_DO_NOT_INSERT_INTO_THE_HASH_TABLE + HASH_INSERT( + /* the type used in the hash chain */ + i_s_hash_chain_t, + /* hash_chain->"next" */ + next, + /* the hash table */ + cache->locks_hash, + /* fold */ + fold_lock(lock, heap_no), + /* add this data to the hash */ + &dst_row->hash_chain); +#endif +#ifdef TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES + } /* for()-loop */ +#endif + + return(dst_row); +} + +/*******************************************************************//** +Adds new pair of locks to the lock waits cache. +If memory can not be allocated then FALSE is returned. +@return FALSE if allocation fails */ +static +ibool +add_lock_wait_to_cache( +/*===================*/ + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the + relevant requested lock + row in innodb_locks */ + const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the + relevant blocking lock + row in innodb_locks */ +{ + i_s_lock_waits_row_t* dst_row; + + dst_row = (i_s_lock_waits_row_t*) + table_cache_create_empty_row(&cache->innodb_lock_waits, + cache); + + /* memory could not be allocated */ + if (dst_row == NULL) { + + return(FALSE); + } + + fill_lock_waits_row(dst_row, requested_lock_row, blocking_lock_row); + + return(TRUE); +} + +/*******************************************************************//** +Adds transaction's relevant (important) locks to cache. +If the transaction is waiting, then the wait lock is added to +innodb_locks and a pointer to the added row is returned in +requested_lock_row, otherwise requested_lock_row is set to NULL. +If rows can not be allocated then FALSE is returned and the value of +requested_lock_row is undefined. +@return FALSE if allocation fails */ +static +ibool +add_trx_relevant_locks_to_cache( +/*============================*/ + trx_i_s_cache_t* cache, /*!< in/out: cache */ + const trx_t* trx, /*!< in: transaction */ + i_s_locks_row_t** requested_lock_row)/*!< out: pointer to the + requested lock row, or NULL or + undefined */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + /* If transaction is waiting we add the wait lock and all locks + from another transactions that are blocking the wait lock. */ + if (trx->que_state == TRX_QUE_LOCK_WAIT) { + + const lock_t* curr_lock; + ulint wait_lock_heap_no; + i_s_locks_row_t* blocking_lock_row; + lock_queue_iterator_t iter; + + ut_a(trx->wait_lock != NULL); + + wait_lock_heap_no + = wait_lock_get_heap_no(trx->wait_lock); + + /* add the requested lock */ + *requested_lock_row + = add_lock_to_cache(cache, trx->wait_lock, + wait_lock_heap_no); + + /* memory could not be allocated */ + if (*requested_lock_row == NULL) { + + return(FALSE); + } + + /* then iterate over the locks before the wait lock and + add the ones that are blocking it */ + + lock_queue_iterator_reset(&iter, trx->wait_lock, + ULINT_UNDEFINED); + + curr_lock = lock_queue_iterator_get_prev(&iter); + while (curr_lock != NULL) { + + if (lock_has_to_wait(trx->wait_lock, + curr_lock)) { + + /* add the lock that is + blocking trx->wait_lock */ + blocking_lock_row + = add_lock_to_cache( + cache, curr_lock, + /* heap_no is the same + for the wait and waited + locks */ + wait_lock_heap_no); + + /* memory could not be allocated */ + if (blocking_lock_row == NULL) { + + return(FALSE); + } + + /* add the relation between both locks + to innodb_lock_waits */ + if (!add_lock_wait_to_cache( + cache, *requested_lock_row, + blocking_lock_row)) { + + /* memory could not be allocated */ + return(FALSE); + } + } + + curr_lock = lock_queue_iterator_get_prev(&iter); + } + } else { + + *requested_lock_row = NULL; + } + + return(TRUE); +} + +/** The minimum time that a cache must not be updated after it has been +read for the last time; measured in microseconds. We use this technique +to ensure that SELECTs which join several INFORMATION SCHEMA tables read +the same version of the cache. */ +#define CACHE_MIN_IDLE_TIME_US 100000 /* 0.1 sec */ + +/*******************************************************************//** +Checks if the cache can safely be updated. +@return TRUE if can be updated */ +static +ibool +can_cache_be_updated( +/*=================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ + ullint now; + + /* Here we read cache->last_read without acquiring its mutex + because last_read is only updated when a shared rw lock on the + whole cache is being held (see trx_i_s_cache_end_read()) and + we are currently holding an exclusive rw lock on the cache. + So it is not possible for last_read to be updated while we are + reading it. */ + +#ifdef UNIV_SYNC_DEBUG + ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); +#endif + + now = ut_time_us(NULL); + if (now - cache->last_read > CACHE_MIN_IDLE_TIME_US) { + + return(TRUE); + } + + return(FALSE); +} + +/*******************************************************************//** +Declare a cache empty, preparing it to be filled up. Not all resources +are freed because they can be reused. */ +static +void +trx_i_s_cache_clear( +/*================*/ + trx_i_s_cache_t* cache) /*!< out: cache to clear */ +{ + cache->innodb_trx.rows_used = 0; + cache->innodb_locks.rows_used = 0; + cache->innodb_lock_waits.rows_used = 0; + + hash_table_clear(cache->locks_hash); + + ha_storage_empty(&cache->storage); +} + +/*******************************************************************//** +Fetches the data needed to fill the 3 INFORMATION SCHEMA tables into the +table cache buffer. Cache must be locked for write. */ +static +void +fetch_data_into_cache( +/*==================*/ + trx_i_s_cache_t* cache) /*!< in/out: cache */ +{ + trx_t* trx; + i_s_trx_row_t* trx_row; + i_s_locks_row_t* requested_lock_row; + + ut_ad(mutex_own(&kernel_mutex)); + + trx_i_s_cache_clear(cache); + + /* We iterate over the list of all transactions and add each one + to innodb_trx's cache. We also add all locks that are relevant + to each transaction into innodb_locks' and innodb_lock_waits' + caches. */ + + for (trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + trx != NULL; + trx = UT_LIST_GET_NEXT(trx_list, trx)) { + + if (!add_trx_relevant_locks_to_cache(cache, trx, + &requested_lock_row)) { + + cache->is_truncated = TRUE; + return; + } + + trx_row = (i_s_trx_row_t*) + table_cache_create_empty_row(&cache->innodb_trx, + cache); + + /* memory could not be allocated */ + if (trx_row == NULL) { + + cache->is_truncated = TRUE; + return; + } + + if (!fill_trx_row(trx_row, trx, requested_lock_row, cache)) { + + /* memory could not be allocated */ + cache->innodb_trx.rows_used--; + cache->is_truncated = TRUE; + return; + } + } + + cache->is_truncated = FALSE; +} + +/*******************************************************************//** +Update the transactions cache if it has not been read for some time. +Called from handler/i_s.cc. +@return 0 - fetched, 1 - not */ +UNIV_INTERN +int +trx_i_s_possibly_fetch_data_into_cache( +/*===================================*/ + trx_i_s_cache_t* cache) /*!< in/out: cache */ +{ + if (!can_cache_be_updated(cache)) { + + return(1); + } + + /* We need to read trx_sys and record/table lock queues */ + mutex_enter(&kernel_mutex); + + fetch_data_into_cache(cache); + + mutex_exit(&kernel_mutex); + + return(0); +} + +/*******************************************************************//** +Returns TRUE if the data in the cache is truncated due to the memory +limit posed by TRX_I_S_MEM_LIMIT. +@return TRUE if truncated */ +UNIV_INTERN +ibool +trx_i_s_cache_is_truncated( +/*=======================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ + return(cache->is_truncated); +} + +/*******************************************************************//** +Initialize INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_init( +/*===============*/ + trx_i_s_cache_t* cache) /*!< out: cache to init */ +{ + /* The latching is done in the following order: + acquire trx_i_s_cache_t::rw_lock, X + acquire kernel_mutex + release kernel_mutex + release trx_i_s_cache_t::rw_lock + acquire trx_i_s_cache_t::rw_lock, S + acquire trx_i_s_cache_t::last_read_mutex + release trx_i_s_cache_t::last_read_mutex + release trx_i_s_cache_t::rw_lock */ + + rw_lock_create(&cache->rw_lock, SYNC_TRX_I_S_RWLOCK); + + cache->last_read = 0; + + mutex_create(&cache->last_read_mutex, SYNC_TRX_I_S_LAST_READ); + + table_cache_init(&cache->innodb_trx, sizeof(i_s_trx_row_t)); + table_cache_init(&cache->innodb_locks, sizeof(i_s_locks_row_t)); + table_cache_init(&cache->innodb_lock_waits, + sizeof(i_s_lock_waits_row_t)); + + cache->locks_hash = hash_create(LOCKS_HASH_CELLS_NUM); + + cache->storage = ha_storage_create(CACHE_STORAGE_INITIAL_SIZE, + CACHE_STORAGE_HASH_CELLS); + + cache->mem_allocd = 0; + + cache->is_truncated = FALSE; +} + +/*******************************************************************//** +Free the INFORMATION SCHEMA trx related cache. */ +UNIV_INTERN +void +trx_i_s_cache_free( +/*===============*/ + trx_i_s_cache_t* cache) /*!< in, own: cache to free */ +{ + hash_table_free(cache->locks_hash); + ha_storage_free(cache->storage); + table_cache_free(&cache->innodb_trx); + table_cache_free(&cache->innodb_locks); + table_cache_free(&cache->innodb_lock_waits); + memset(cache, 0, sizeof *cache); +} + +/*******************************************************************//** +Issue a shared/read lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_start_read( +/*=====================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ + rw_lock_s_lock(&cache->rw_lock); +} + +/*******************************************************************//** +Release a shared/read lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_end_read( +/*===================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ + ullint now; + +#ifdef UNIV_SYNC_DEBUG + ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_SHARED)); +#endif + + /* update cache last read time */ + now = ut_time_us(NULL); + mutex_enter(&cache->last_read_mutex); + cache->last_read = now; + mutex_exit(&cache->last_read_mutex); + + rw_lock_s_unlock(&cache->rw_lock); +} + +/*******************************************************************//** +Issue an exclusive/write lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_start_write( +/*======================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ + rw_lock_x_lock(&cache->rw_lock); +} + +/*******************************************************************//** +Release an exclusive/write lock on the tables cache. */ +UNIV_INTERN +void +trx_i_s_cache_end_write( +/*====================*/ + trx_i_s_cache_t* cache) /*!< in: cache */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); +#endif + + rw_lock_x_unlock(&cache->rw_lock); +} + +/*******************************************************************//** +Selects a INFORMATION SCHEMA table cache from the whole cache. +@return table cache */ +static +i_s_table_cache_t* +cache_select_table( +/*===============*/ + trx_i_s_cache_t* cache, /*!< in: whole cache */ + enum i_s_table table) /*!< in: which table */ +{ + i_s_table_cache_t* table_cache; + +#ifdef UNIV_SYNC_DEBUG + ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_SHARED) + || rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); +#endif + + switch (table) { + case I_S_INNODB_TRX: + table_cache = &cache->innodb_trx; + break; + case I_S_INNODB_LOCKS: + table_cache = &cache->innodb_locks; + break; + case I_S_INNODB_LOCK_WAITS: + table_cache = &cache->innodb_lock_waits; + break; + default: + ut_error; + } + + return(table_cache); +} + +/*******************************************************************//** +Retrieves the number of used rows in the cache for a given +INFORMATION SCHEMA table. +@return number of rows */ +UNIV_INTERN +ulint +trx_i_s_cache_get_rows_used( +/*========================*/ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table) /*!< in: which table */ +{ + i_s_table_cache_t* table_cache; + + table_cache = cache_select_table(cache, table); + + return(table_cache->rows_used); +} + +/*******************************************************************//** +Retrieves the nth row (zero-based) in the cache for a given +INFORMATION SCHEMA table. +@return row */ +UNIV_INTERN +void* +trx_i_s_cache_get_nth_row( +/*======================*/ + trx_i_s_cache_t* cache, /*!< in: cache */ + enum i_s_table table, /*!< in: which table */ + ulint n) /*!< in: row number */ +{ + i_s_table_cache_t* table_cache; + ulint i; + void* row; + + table_cache = cache_select_table(cache, table); + + ut_a(n < table_cache->rows_used); + + row = NULL; + + for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { + + if (table_cache->chunks[i].offset + + table_cache->chunks[i].rows_allocd > n) { + + row = (char*) table_cache->chunks[i].base + + (n - table_cache->chunks[i].offset) + * table_cache->row_size; + break; + } + } + + ut_a(row != NULL); + + return(row); +} + +/*******************************************************************//** +Crafts a lock id string from a i_s_locks_row_t object. Returns its +second argument. This function aborts if there is not enough space in +lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you +want to be 100% sure that it will not abort. +@return resulting lock id */ +UNIV_INTERN +char* +trx_i_s_create_lock_id( +/*===================*/ + const i_s_locks_row_t* row, /*!< in: innodb_locks row */ + char* lock_id,/*!< out: resulting lock_id */ + ulint lock_id_size)/*!< in: size of the lock id + buffer */ +{ + int res_len; + + /* please adjust TRX_I_S_LOCK_ID_MAX_LEN if you change this */ + + if (row->lock_space != ULINT_UNDEFINED) { + /* record lock */ + res_len = ut_snprintf(lock_id, lock_id_size, + TRX_ID_FMT ":%lu:%lu:%lu", + row->lock_trx_id, row->lock_space, + row->lock_page, row->lock_rec); + } else { + /* table lock */ + res_len = ut_snprintf(lock_id, lock_id_size, + TRX_ID_FMT ":%llu", + row->lock_trx_id, + row->lock_table_id); + } + + /* the typecast is safe because snprintf(3) never returns + negative result */ + ut_a(res_len >= 0); + ut_a((ulint) res_len < lock_id_size); + + return(lock_id); +} diff --git a/perfschema/trx/trx0purge.c b/perfschema/trx/trx0purge.c new file mode 100644 index 00000000000..abbfa3d7f81 --- /dev/null +++ b/perfschema/trx/trx0purge.c @@ -0,0 +1,1211 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0purge.c +Purge old versions + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0purge.h" + +#ifdef UNIV_NONINL +#include "trx0purge.ic" +#endif + +#include "fsp0fsp.h" +#include "mach0data.h" +#include "mtr0log.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0roll.h" +#include "read0read.h" +#include "fut0fut.h" +#include "que0que.h" +#include "row0purge.h" +#include "row0upd.h" +#include "trx0rec.h" +#include "srv0que.h" +#include "os0thread.h" + +/** The global data structure coordinating a purge */ +UNIV_INTERN trx_purge_t* purge_sys = NULL; + +/** A dummy undo record used as a return value when we have a whole undo log +which needs no purge */ +UNIV_INTERN trx_undo_rec_t trx_purge_dummy_rec; + +/*****************************************************************//** +Checks if trx_id is >= purge_view: then it is guaranteed that its update +undo log still exists in the system. +@return TRUE if is sure that it is preserved, also if the function +returns FALSE, it is possible that the undo log still exists in the +system */ +UNIV_INTERN +ibool +trx_purge_update_undo_must_exist( +/*=============================*/ + trx_id_t trx_id) /*!< in: transaction id */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!read_view_sees_trx_id(purge_sys->view, trx_id)) { + + return(TRUE); + } + + return(FALSE); +} + +/*=================== PURGE RECORD ARRAY =============================*/ + +/*******************************************************************//** +Stores info of an undo log record during a purge. +@return pointer to the storage cell */ +static +trx_undo_inf_t* +trx_purge_arr_store_info( +/*=====================*/ + trx_id_t trx_no, /*!< in: transaction number */ + undo_no_t undo_no)/*!< in: undo number */ +{ + trx_undo_inf_t* cell; + trx_undo_arr_t* arr; + ulint i; + + arr = purge_sys->arr; + + for (i = 0;; i++) { + cell = trx_undo_arr_get_nth_info(arr, i); + + if (!(cell->in_use)) { + /* Not in use, we may store here */ + cell->undo_no = undo_no; + cell->trx_no = trx_no; + cell->in_use = TRUE; + + arr->n_used++; + + return(cell); + } + } +} + +/*******************************************************************//** +Removes info of an undo log record during a purge. */ +UNIV_INLINE +void +trx_purge_arr_remove_info( +/*======================*/ + trx_undo_inf_t* cell) /*!< in: pointer to the storage cell */ +{ + trx_undo_arr_t* arr; + + arr = purge_sys->arr; + + cell->in_use = FALSE; + + ut_ad(arr->n_used > 0); + + arr->n_used--; +} + +/*******************************************************************//** +Gets the biggest pair of a trx number and an undo number in a purge array. */ +static +void +trx_purge_arr_get_biggest( +/*======================*/ + trx_undo_arr_t* arr, /*!< in: purge array */ + trx_id_t* trx_no, /*!< out: transaction number: ut_dulint_zero + if array is empty */ + undo_no_t* undo_no)/*!< out: undo number */ +{ + trx_undo_inf_t* cell; + trx_id_t pair_trx_no; + undo_no_t pair_undo_no; + int trx_cmp; + ulint n_used; + ulint i; + ulint n; + + n = 0; + n_used = arr->n_used; + pair_trx_no = ut_dulint_zero; + pair_undo_no = ut_dulint_zero; + + for (i = 0;; i++) { + cell = trx_undo_arr_get_nth_info(arr, i); + + if (cell->in_use) { + n++; + trx_cmp = ut_dulint_cmp(cell->trx_no, pair_trx_no); + + if ((trx_cmp > 0) + || ((trx_cmp == 0) + && (ut_dulint_cmp(cell->undo_no, + pair_undo_no) >= 0))) { + + pair_trx_no = cell->trx_no; + pair_undo_no = cell->undo_no; + } + } + + if (n == n_used) { + *trx_no = pair_trx_no; + *undo_no = pair_undo_no; + + return; + } + } +} + +/****************************************************************//** +Builds a purge 'query' graph. The actual purge is performed by executing +this query graph. +@return own: the query graph */ +static +que_t* +trx_purge_graph_build(void) +/*=======================*/ +{ + mem_heap_t* heap; + que_fork_t* fork; + que_thr_t* thr; + /* que_thr_t* thr2; */ + + heap = mem_heap_create(512); + fork = que_fork_create(NULL, NULL, QUE_FORK_PURGE, heap); + fork->trx = purge_sys->trx; + + thr = que_thr_create(fork, heap); + + thr->child = row_purge_node_create(thr, heap); + + /* thr2 = que_thr_create(fork, fork, heap); + + thr2->child = row_purge_node_create(fork, thr2, heap); */ + + return(fork); +} + +/********************************************************************//** +Creates the global purge system control structure and inits the history +mutex. */ +UNIV_INTERN +void +trx_purge_sys_create(void) +/*======================*/ +{ + ut_ad(mutex_own(&kernel_mutex)); + + purge_sys = mem_alloc(sizeof(trx_purge_t)); + + purge_sys->state = TRX_STOP_PURGE; + + purge_sys->n_pages_handled = 0; + + purge_sys->purge_trx_no = ut_dulint_zero; + purge_sys->purge_undo_no = ut_dulint_zero; + purge_sys->next_stored = FALSE; + + rw_lock_create(&purge_sys->latch, SYNC_PURGE_LATCH); + + mutex_create(&purge_sys->mutex, SYNC_PURGE_SYS); + + purge_sys->heap = mem_heap_create(256); + + purge_sys->arr = trx_undo_arr_create(); + + purge_sys->sess = sess_open(); + + purge_sys->trx = purge_sys->sess->trx; + + purge_sys->trx->is_purge = 1; + + ut_a(trx_start_low(purge_sys->trx, ULINT_UNDEFINED)); + + purge_sys->query = trx_purge_graph_build(); + + purge_sys->view = read_view_oldest_copy_or_open_new(ut_dulint_zero, + purge_sys->heap); +} + +/************************************************************************ +Frees the global purge system control structure. */ +UNIV_INTERN +void +trx_purge_sys_close(void) +/*======================*/ +{ + ut_ad(!mutex_own(&kernel_mutex)); + + que_graph_free(purge_sys->query); + + ut_a(purge_sys->sess->trx->is_purge); + purge_sys->sess->trx->conc_state = TRX_NOT_STARTED; + sess_close(purge_sys->sess); + purge_sys->sess = NULL; + + if (purge_sys->view != NULL) { + /* Because acquiring the kernel mutex is a pre-condition + of read_view_close(). We don't really need it here. */ + mutex_enter(&kernel_mutex); + + read_view_close(purge_sys->view); + purge_sys->view = NULL; + + mutex_exit(&kernel_mutex); + } + + trx_undo_arr_free(purge_sys->arr); + + rw_lock_free(&purge_sys->latch); + mutex_free(&purge_sys->mutex); + + mem_heap_free(purge_sys->heap); + mem_free(purge_sys); + + purge_sys = NULL; +} + +/*================ UNDO LOG HISTORY LIST =============================*/ + +/********************************************************************//** +Adds the update undo log as the first log in the history list. Removes the +update undo log segment from the rseg slot if it is too big for reuse. */ +UNIV_INTERN +void +trx_purge_add_update_undo_to_history( +/*=================================*/ + trx_t* trx, /*!< in: transaction */ + page_t* undo_page, /*!< in: update undo log header page, + x-latched */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_undo_t* undo; + trx_rseg_t* rseg; + trx_rsegf_t* rseg_header; + trx_usegf_t* seg_header; + trx_ulogf_t* undo_header; + trx_upagef_t* page_header; + ulint hist_size; + + undo = trx->update_undo; + + ut_ad(undo); + + rseg = undo->rseg; + + ut_ad(mutex_own(&(rseg->mutex))); + + rseg_header = trx_rsegf_get(rseg->space, rseg->zip_size, + rseg->page_no, mtr); + + undo_header = undo_page + undo->hdr_offset; + seg_header = undo_page + TRX_UNDO_SEG_HDR; + page_header = undo_page + TRX_UNDO_PAGE_HDR; + + if (undo->state != TRX_UNDO_CACHED) { + /* The undo log segment will not be reused */ + + if (undo->id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, + "InnoDB: Error: undo->id is %lu\n", + (ulong) undo->id); + ut_error; + } + + trx_rsegf_set_nth_undo(rseg_header, undo->id, FIL_NULL, mtr); + + hist_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, + MLOG_4BYTES, mtr); + ut_ad(undo->size == flst_get_len( + seg_header + TRX_UNDO_PAGE_LIST, mtr)); + + mlog_write_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, + hist_size + undo->size, MLOG_4BYTES, mtr); + } + + /* Add the log as the first in the history list */ + flst_add_first(rseg_header + TRX_RSEG_HISTORY, + undo_header + TRX_UNDO_HISTORY_NODE, mtr); + mutex_enter(&kernel_mutex); + trx_sys->rseg_history_len++; + mutex_exit(&kernel_mutex); + + /* Write the trx number to the undo log header */ + mlog_write_dulint(undo_header + TRX_UNDO_TRX_NO, trx->no, mtr); + /* Write information about delete markings to the undo log header */ + + if (!undo->del_marks) { + mlog_write_ulint(undo_header + TRX_UNDO_DEL_MARKS, FALSE, + MLOG_2BYTES, mtr); + } + + if (rseg->last_page_no == FIL_NULL) { + + rseg->last_page_no = undo->hdr_page_no; + rseg->last_offset = undo->hdr_offset; + rseg->last_trx_no = trx->no; + rseg->last_del_marks = undo->del_marks; + } +} + +/**********************************************************************//** +Frees an undo log segment which is in the history list. Cuts the end of the +history list at the youngest undo log in this segment. */ +static +void +trx_purge_free_segment( +/*===================*/ + trx_rseg_t* rseg, /*!< in: rollback segment */ + fil_addr_t hdr_addr, /*!< in: the file address of log_hdr */ + ulint n_removed_logs) /*!< in: count of how many undo logs we + will cut off from the end of the + history list */ +{ + page_t* undo_page; + trx_rsegf_t* rseg_hdr; + trx_ulogf_t* log_hdr; + trx_usegf_t* seg_hdr; + ibool freed; + ulint seg_size; + ulint hist_size; + ibool marked = FALSE; + mtr_t mtr; + + /* fputs("Freeing an update undo log segment\n", stderr); */ + + ut_ad(mutex_own(&(purge_sys->mutex))); +loop: + mtr_start(&mtr); + mutex_enter(&(rseg->mutex)); + + rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, + rseg->page_no, &mtr); + + undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, + hdr_addr.page, &mtr); + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + log_hdr = undo_page + hdr_addr.boffset; + + /* Mark the last undo log totally purged, so that if the system + crashes, the tail of the undo log will not get accessed again. The + list of pages in the undo log tail gets inconsistent during the + freeing of the segment, and therefore purge should not try to access + them again. */ + + if (!marked) { + mlog_write_ulint(log_hdr + TRX_UNDO_DEL_MARKS, FALSE, + MLOG_2BYTES, &mtr); + marked = TRUE; + } + + freed = fseg_free_step_not_header(seg_hdr + TRX_UNDO_FSEG_HEADER, + &mtr); + if (!freed) { + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + goto loop; + } + + /* The page list may now be inconsistent, but the length field + stored in the list base node tells us how big it was before we + started the freeing. */ + + seg_size = flst_get_len(seg_hdr + TRX_UNDO_PAGE_LIST, &mtr); + + /* We may free the undo log segment header page; it must be freed + within the same mtr as the undo log header is removed from the + history list: otherwise, in case of a database crash, the segment + could become inaccessible garbage in the file space. */ + + flst_cut_end(rseg_hdr + TRX_RSEG_HISTORY, + log_hdr + TRX_UNDO_HISTORY_NODE, n_removed_logs, &mtr); + + mutex_enter(&kernel_mutex); + ut_ad(trx_sys->rseg_history_len >= n_removed_logs); + trx_sys->rseg_history_len -= n_removed_logs; + mutex_exit(&kernel_mutex); + + freed = FALSE; + + while (!freed) { + /* Here we assume that a file segment with just the header + page can be freed in a few steps, so that the buffer pool + is not flooded with bufferfixed pages: see the note in + fsp0fsp.c. */ + + freed = fseg_free_step(seg_hdr + TRX_UNDO_FSEG_HEADER, + &mtr); + } + + hist_size = mtr_read_ulint(rseg_hdr + TRX_RSEG_HISTORY_SIZE, + MLOG_4BYTES, &mtr); + ut_ad(hist_size >= seg_size); + + mlog_write_ulint(rseg_hdr + TRX_RSEG_HISTORY_SIZE, + hist_size - seg_size, MLOG_4BYTES, &mtr); + + ut_ad(rseg->curr_size >= seg_size); + + rseg->curr_size -= seg_size; + + mutex_exit(&(rseg->mutex)); + + mtr_commit(&mtr); +} + +/********************************************************************//** +Removes unnecessary history data from a rollback segment. */ +static +void +trx_purge_truncate_rseg_history( +/*============================*/ + trx_rseg_t* rseg, /*!< in: rollback segment */ + trx_id_t limit_trx_no, /*!< in: remove update undo logs whose + trx number is < limit_trx_no */ + undo_no_t limit_undo_no) /*!< in: if transaction number is equal + to limit_trx_no, truncate undo records + with undo number < limit_undo_no */ +{ + fil_addr_t hdr_addr; + fil_addr_t prev_hdr_addr; + trx_rsegf_t* rseg_hdr; + page_t* undo_page; + trx_ulogf_t* log_hdr; + trx_usegf_t* seg_hdr; + int cmp; + ulint n_removed_logs = 0; + mtr_t mtr; + + ut_ad(mutex_own(&(purge_sys->mutex))); + + mtr_start(&mtr); + mutex_enter(&(rseg->mutex)); + + rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, + rseg->page_no, &mtr); + + hdr_addr = trx_purge_get_log_from_hist( + flst_get_last(rseg_hdr + TRX_RSEG_HISTORY, &mtr)); +loop: + if (hdr_addr.page == FIL_NULL) { + + mutex_exit(&(rseg->mutex)); + + mtr_commit(&mtr); + + return; + } + + undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, + hdr_addr.page, &mtr); + + log_hdr = undo_page + hdr_addr.boffset; + + cmp = ut_dulint_cmp(mach_read_from_8(log_hdr + TRX_UNDO_TRX_NO), + limit_trx_no); + if (cmp == 0) { + trx_undo_truncate_start(rseg, rseg->space, hdr_addr.page, + hdr_addr.boffset, limit_undo_no); + } + + if (cmp >= 0) { + mutex_enter(&kernel_mutex); + ut_a(trx_sys->rseg_history_len >= n_removed_logs); + trx_sys->rseg_history_len -= n_removed_logs; + mutex_exit(&kernel_mutex); + + flst_truncate_end(rseg_hdr + TRX_RSEG_HISTORY, + log_hdr + TRX_UNDO_HISTORY_NODE, + n_removed_logs, &mtr); + + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + return; + } + + prev_hdr_addr = trx_purge_get_log_from_hist( + flst_get_prev_addr(log_hdr + TRX_UNDO_HISTORY_NODE, &mtr)); + n_removed_logs++; + + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + + if ((mach_read_from_2(seg_hdr + TRX_UNDO_STATE) == TRX_UNDO_TO_PURGE) + && (mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG) == 0)) { + + /* We can free the whole log segment */ + + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + trx_purge_free_segment(rseg, hdr_addr, n_removed_logs); + + n_removed_logs = 0; + } else { + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + } + + mtr_start(&mtr); + mutex_enter(&(rseg->mutex)); + + rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, + rseg->page_no, &mtr); + + hdr_addr = prev_hdr_addr; + + goto loop; +} + +/********************************************************************//** +Removes unnecessary history data from rollback segments. NOTE that when this +function is called, the caller must not have any latches on undo log pages! */ +static +void +trx_purge_truncate_history(void) +/*============================*/ +{ + trx_rseg_t* rseg; + trx_id_t limit_trx_no; + undo_no_t limit_undo_no; + + ut_ad(mutex_own(&(purge_sys->mutex))); + + trx_purge_arr_get_biggest(purge_sys->arr, &limit_trx_no, + &limit_undo_no); + + if (ut_dulint_is_zero(limit_trx_no)) { + + limit_trx_no = purge_sys->purge_trx_no; + limit_undo_no = purge_sys->purge_undo_no; + } + + /* We play safe and set the truncate limit at most to the purge view + low_limit number, though this is not necessary */ + + if (ut_dulint_cmp(limit_trx_no, purge_sys->view->low_limit_no) >= 0) { + limit_trx_no = purge_sys->view->low_limit_no; + limit_undo_no = ut_dulint_zero; + } + + ut_ad((ut_dulint_cmp(limit_trx_no, + purge_sys->view->low_limit_no) <= 0)); + + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + while (rseg) { + trx_purge_truncate_rseg_history(rseg, limit_trx_no, + limit_undo_no); + rseg = UT_LIST_GET_NEXT(rseg_list, rseg); + } +} + +/********************************************************************//** +Does a truncate if the purge array is empty. NOTE that when this function is +called, the caller must not have any latches on undo log pages! +@return TRUE if array empty */ +UNIV_INLINE +ibool +trx_purge_truncate_if_arr_empty(void) +/*=================================*/ +{ + ut_ad(mutex_own(&(purge_sys->mutex))); + + if (purge_sys->arr->n_used == 0) { + + trx_purge_truncate_history(); + + return(TRUE); + } + + return(FALSE); +} + +/***********************************************************************//** +Updates the last not yet purged history log info in rseg when we have purged +a whole undo log. Advances also purge_sys->purge_trx_no past the purged log. */ +static +void +trx_purge_rseg_get_next_history_log( +/*================================*/ + trx_rseg_t* rseg) /*!< in: rollback segment */ +{ + page_t* undo_page; + trx_ulogf_t* log_hdr; + trx_usegf_t* seg_hdr; + fil_addr_t prev_log_addr; + trx_id_t trx_no; + ibool del_marks; + mtr_t mtr; + + ut_ad(mutex_own(&(purge_sys->mutex))); + + mutex_enter(&(rseg->mutex)); + + ut_a(rseg->last_page_no != FIL_NULL); + + purge_sys->purge_trx_no = ut_dulint_add(rseg->last_trx_no, 1); + purge_sys->purge_undo_no = ut_dulint_zero; + purge_sys->next_stored = FALSE; + + mtr_start(&mtr); + + undo_page = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, + rseg->last_page_no, &mtr); + log_hdr = undo_page + rseg->last_offset; + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + + /* Increase the purge page count by one for every handled log */ + + purge_sys->n_pages_handled++; + + prev_log_addr = trx_purge_get_log_from_hist( + flst_get_prev_addr(log_hdr + TRX_UNDO_HISTORY_NODE, &mtr)); + if (prev_log_addr.page == FIL_NULL) { + /* No logs left in the history list */ + + rseg->last_page_no = FIL_NULL; + + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + mutex_enter(&kernel_mutex); + + /* Add debug code to track history list corruption reported + on the MySQL mailing list on Nov 9, 2004. The fut0lst.c + file-based list was corrupt. The prev node pointer was + FIL_NULL, even though the list length was over 8 million nodes! + We assume that purge truncates the history list in moderate + size pieces, and if we here reach the head of the list, the + list cannot be longer than 20 000 undo logs now. */ + + if (trx_sys->rseg_history_len > 20000) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: purge reached the" + " head of the history list,\n" + "InnoDB: but its length is still" + " reported as %lu! Make a detailed bug\n" + "InnoDB: report, and submit it" + " to http://bugs.mysql.com\n", + (ulong) trx_sys->rseg_history_len); + } + + mutex_exit(&kernel_mutex); + + return; + } + + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + /* Read the trx number and del marks from the previous log header */ + mtr_start(&mtr); + + log_hdr = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, + prev_log_addr.page, &mtr) + + prev_log_addr.boffset; + + trx_no = mach_read_from_8(log_hdr + TRX_UNDO_TRX_NO); + + del_marks = mach_read_from_2(log_hdr + TRX_UNDO_DEL_MARKS); + + mtr_commit(&mtr); + + mutex_enter(&(rseg->mutex)); + + rseg->last_page_no = prev_log_addr.page; + rseg->last_offset = prev_log_addr.boffset; + rseg->last_trx_no = trx_no; + rseg->last_del_marks = del_marks; + + mutex_exit(&(rseg->mutex)); +} + +/***********************************************************************//** +Chooses the next undo log to purge and updates the info in purge_sys. This +function is used to initialize purge_sys when the next record to purge is +not known, and also to update the purge system info on the next record when +purge has handled the whole undo log for a transaction. */ +static +void +trx_purge_choose_next_log(void) +/*===========================*/ +{ + trx_undo_rec_t* rec; + trx_rseg_t* rseg; + trx_rseg_t* min_rseg; + trx_id_t min_trx_no; + ulint space = 0; /* remove warning (??? bug ???) */ + ulint zip_size = 0; + ulint page_no = 0; /* remove warning (??? bug ???) */ + ulint offset = 0; /* remove warning (??? bug ???) */ + mtr_t mtr; + + ut_ad(mutex_own(&(purge_sys->mutex))); + ut_ad(purge_sys->next_stored == FALSE); + + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + min_trx_no = ut_dulint_max; + + min_rseg = NULL; + + while (rseg) { + mutex_enter(&(rseg->mutex)); + + if (rseg->last_page_no != FIL_NULL) { + + if ((min_rseg == NULL) + || (ut_dulint_cmp(min_trx_no, + rseg->last_trx_no) > 0)) { + + min_rseg = rseg; + min_trx_no = rseg->last_trx_no; + space = rseg->space; + zip_size = rseg->zip_size; + ut_a(space == 0); /* We assume in purge of + externally stored fields + that space id == 0 */ + page_no = rseg->last_page_no; + offset = rseg->last_offset; + } + } + + mutex_exit(&(rseg->mutex)); + + rseg = UT_LIST_GET_NEXT(rseg_list, rseg); + } + + if (min_rseg == NULL) { + + return; + } + + mtr_start(&mtr); + + if (!min_rseg->last_del_marks) { + /* No need to purge this log */ + + rec = &trx_purge_dummy_rec; + } else { + rec = trx_undo_get_first_rec(space, zip_size, page_no, offset, + RW_S_LATCH, &mtr); + if (rec == NULL) { + /* Undo log empty */ + + rec = &trx_purge_dummy_rec; + } + } + + purge_sys->next_stored = TRUE; + purge_sys->rseg = min_rseg; + + purge_sys->hdr_page_no = page_no; + purge_sys->hdr_offset = offset; + + purge_sys->purge_trx_no = min_trx_no; + + if (rec == &trx_purge_dummy_rec) { + + purge_sys->purge_undo_no = ut_dulint_zero; + purge_sys->page_no = page_no; + purge_sys->offset = 0; + } else { + purge_sys->purge_undo_no = trx_undo_rec_get_undo_no(rec); + + purge_sys->page_no = page_get_page_no(page_align(rec)); + purge_sys->offset = page_offset(rec); + } + + mtr_commit(&mtr); +} + +/***********************************************************************//** +Gets the next record to purge and updates the info in the purge system. +@return copy of an undo log record or pointer to the dummy undo log record */ +static +trx_undo_rec_t* +trx_purge_get_next_rec( +/*===================*/ + mem_heap_t* heap) /*!< in: memory heap where copied */ +{ + trx_undo_rec_t* rec; + trx_undo_rec_t* rec_copy; + trx_undo_rec_t* rec2; + trx_undo_rec_t* next_rec; + page_t* undo_page; + page_t* page; + ulint offset; + ulint page_no; + ulint space; + ulint zip_size; + ulint type; + ulint cmpl_info; + mtr_t mtr; + + ut_ad(mutex_own(&(purge_sys->mutex))); + ut_ad(purge_sys->next_stored); + + space = purge_sys->rseg->space; + zip_size = purge_sys->rseg->zip_size; + page_no = purge_sys->page_no; + offset = purge_sys->offset; + + if (offset == 0) { + /* It is the dummy undo log record, which means that there is + no need to purge this undo log */ + + trx_purge_rseg_get_next_history_log(purge_sys->rseg); + + /* Look for the next undo log and record to purge */ + + trx_purge_choose_next_log(); + + return(&trx_purge_dummy_rec); + } + + mtr_start(&mtr); + + undo_page = trx_undo_page_get_s_latched(space, zip_size, + page_no, &mtr); + rec = undo_page + offset; + + rec2 = rec; + + for (;;) { + /* Try first to find the next record which requires a purge + operation from the same page of the same undo log */ + + next_rec = trx_undo_page_get_next_rec(rec2, + purge_sys->hdr_page_no, + purge_sys->hdr_offset); + if (next_rec == NULL) { + rec2 = trx_undo_get_next_rec( + rec2, purge_sys->hdr_page_no, + purge_sys->hdr_offset, &mtr); + break; + } + + rec2 = next_rec; + + type = trx_undo_rec_get_type(rec2); + + if (type == TRX_UNDO_DEL_MARK_REC) { + + break; + } + + cmpl_info = trx_undo_rec_get_cmpl_info(rec2); + + if (trx_undo_rec_get_extern_storage(rec2)) { + break; + } + + if ((type == TRX_UNDO_UPD_EXIST_REC) + && !(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { + break; + } + } + + if (rec2 == NULL) { + mtr_commit(&mtr); + + trx_purge_rseg_get_next_history_log(purge_sys->rseg); + + /* Look for the next undo log and record to purge */ + + trx_purge_choose_next_log(); + + mtr_start(&mtr); + + undo_page = trx_undo_page_get_s_latched(space, zip_size, + page_no, &mtr); + + rec = undo_page + offset; + } else { + page = page_align(rec2); + + purge_sys->purge_undo_no = trx_undo_rec_get_undo_no(rec2); + purge_sys->page_no = page_get_page_no(page); + purge_sys->offset = rec2 - page; + + if (undo_page != page) { + /* We advance to a new page of the undo log: */ + purge_sys->n_pages_handled++; + } + } + + rec_copy = trx_undo_rec_copy(rec, heap); + + mtr_commit(&mtr); + + return(rec_copy); +} + +/********************************************************************//** +Fetches the next undo log record from the history list to purge. It must be +released with the corresponding release function. +@return copy of an undo log record or pointer to trx_purge_dummy_rec, +if the whole undo log can skipped in purge; NULL if none left */ +UNIV_INTERN +trx_undo_rec_t* +trx_purge_fetch_next_rec( +/*=====================*/ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + trx_undo_inf_t** cell, /*!< out: storage cell for the record in the + purge array */ + mem_heap_t* heap) /*!< in: memory heap where copied */ +{ + trx_undo_rec_t* undo_rec; + + mutex_enter(&(purge_sys->mutex)); + + if (purge_sys->state == TRX_STOP_PURGE) { + trx_purge_truncate_if_arr_empty(); + + mutex_exit(&(purge_sys->mutex)); + + return(NULL); + } + + if (!purge_sys->next_stored) { + trx_purge_choose_next_log(); + + if (!purge_sys->next_stored) { + purge_sys->state = TRX_STOP_PURGE; + + trx_purge_truncate_if_arr_empty(); + + if (srv_print_thread_releases) { + fprintf(stderr, + "Purge: No logs left in the" + " history list; pages handled %lu\n", + (ulong) purge_sys->n_pages_handled); + } + + mutex_exit(&(purge_sys->mutex)); + + return(NULL); + } + } + + if (purge_sys->n_pages_handled >= purge_sys->handle_limit) { + + purge_sys->state = TRX_STOP_PURGE; + + trx_purge_truncate_if_arr_empty(); + + mutex_exit(&(purge_sys->mutex)); + + return(NULL); + } + + if (ut_dulint_cmp(purge_sys->purge_trx_no, + purge_sys->view->low_limit_no) >= 0) { + purge_sys->state = TRX_STOP_PURGE; + + trx_purge_truncate_if_arr_empty(); + + mutex_exit(&(purge_sys->mutex)); + + return(NULL); + } + + /* fprintf(stderr, "Thread %lu purging trx %lu undo record %lu\n", + os_thread_get_curr_id(), + ut_dulint_get_low(purge_sys->purge_trx_no), + ut_dulint_get_low(purge_sys->purge_undo_no)); */ + + *roll_ptr = trx_undo_build_roll_ptr(FALSE, (purge_sys->rseg)->id, + purge_sys->page_no, + purge_sys->offset); + + *cell = trx_purge_arr_store_info(purge_sys->purge_trx_no, + purge_sys->purge_undo_no); + + ut_ad(ut_dulint_cmp(purge_sys->purge_trx_no, + (purge_sys->view)->low_limit_no) < 0); + + /* The following call will advance the stored values of purge_trx_no + and purge_undo_no, therefore we had to store them first */ + + undo_rec = trx_purge_get_next_rec(heap); + + mutex_exit(&(purge_sys->mutex)); + + return(undo_rec); +} + +/*******************************************************************//** +Releases a reserved purge undo record. */ +UNIV_INTERN +void +trx_purge_rec_release( +/*==================*/ + trx_undo_inf_t* cell) /*!< in: storage cell */ +{ + trx_undo_arr_t* arr; + + mutex_enter(&(purge_sys->mutex)); + + arr = purge_sys->arr; + + trx_purge_arr_remove_info(cell); + + mutex_exit(&(purge_sys->mutex)); +} + +/*******************************************************************//** +This function runs a purge batch. +@return number of undo log pages handled in the batch */ +UNIV_INTERN +ulint +trx_purge(void) +/*===========*/ +{ + que_thr_t* thr; + /* que_thr_t* thr2; */ + ulint old_pages_handled; + + mutex_enter(&(purge_sys->mutex)); + + if (purge_sys->trx->n_active_thrs > 0) { + + mutex_exit(&(purge_sys->mutex)); + + /* Should not happen */ + + ut_error; + + return(0); + } + + rw_lock_x_lock(&(purge_sys->latch)); + + mutex_enter(&kernel_mutex); + + /* Close and free the old purge view */ + + read_view_close(purge_sys->view); + purge_sys->view = NULL; + mem_heap_empty(purge_sys->heap); + + /* Determine how much data manipulation language (DML) statements + need to be delayed in order to reduce the lagging of the purge + thread. */ + srv_dml_needed_delay = 0; /* in microseconds; default: no delay */ + + /* If we cannot advance the 'purge view' because of an old + 'consistent read view', then the DML statements cannot be delayed. + Also, srv_max_purge_lag <= 0 means 'infinity'. */ + if (srv_max_purge_lag > 0 + && !UT_LIST_GET_LAST(trx_sys->view_list)) { + float ratio = (float) trx_sys->rseg_history_len + / srv_max_purge_lag; + if (ratio > ULINT_MAX / 10000) { + /* Avoid overflow: maximum delay is 4295 seconds */ + srv_dml_needed_delay = ULINT_MAX; + } else if (ratio > 1) { + /* If the history list length exceeds the + innodb_max_purge_lag, the + data manipulation statements are delayed + by at least 5000 microseconds. */ + srv_dml_needed_delay = (ulint) ((ratio - .5) * 10000); + } + } + + purge_sys->view = read_view_oldest_copy_or_open_new(ut_dulint_zero, + purge_sys->heap); + mutex_exit(&kernel_mutex); + + rw_lock_x_unlock(&(purge_sys->latch)); + + purge_sys->state = TRX_PURGE_ON; + + /* Handle at most 20 undo log pages in one purge batch */ + + purge_sys->handle_limit = purge_sys->n_pages_handled + 20; + + old_pages_handled = purge_sys->n_pages_handled; + + mutex_exit(&(purge_sys->mutex)); + + mutex_enter(&kernel_mutex); + + thr = que_fork_start_command(purge_sys->query); + + ut_ad(thr); + + /* thr2 = que_fork_start_command(purge_sys->query); + + ut_ad(thr2); */ + + + mutex_exit(&kernel_mutex); + + /* srv_que_task_enqueue(thr2); */ + + if (srv_print_thread_releases) { + + fputs("Starting purge\n", stderr); + } + + que_run_threads(thr); + + if (srv_print_thread_releases) { + + fprintf(stderr, + "Purge ends; pages handled %lu\n", + (ulong) purge_sys->n_pages_handled); + } + + return(purge_sys->n_pages_handled - old_pages_handled); +} + +/******************************************************************//** +Prints information of the purge system to stderr. */ +UNIV_INTERN +void +trx_purge_sys_print(void) +/*=====================*/ +{ + fprintf(stderr, "InnoDB: Purge system view:\n"); + read_view_print(purge_sys->view); + + fprintf(stderr, "InnoDB: Purge trx n:o " TRX_ID_FMT + ", undo n:o " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(purge_sys->purge_trx_no), + TRX_ID_PREP_PRINTF(purge_sys->purge_undo_no)); + fprintf(stderr, + "InnoDB: Purge next stored %lu, page_no %lu, offset %lu,\n" + "InnoDB: Purge hdr_page_no %lu, hdr_offset %lu\n", + (ulong) purge_sys->next_stored, + (ulong) purge_sys->page_no, + (ulong) purge_sys->offset, + (ulong) purge_sys->hdr_page_no, + (ulong) purge_sys->hdr_offset); +} diff --git a/perfschema/trx/trx0rec.c b/perfschema/trx/trx0rec.c new file mode 100644 index 00000000000..38a0e4f0f44 --- /dev/null +++ b/perfschema/trx/trx0rec.c @@ -0,0 +1,1602 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0rec.c +Transaction undo log record + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0rec.h" + +#ifdef UNIV_NONINL +#include "trx0rec.ic" +#endif + +#include "fsp0fsp.h" +#include "mach0data.h" +#include "trx0undo.h" +#include "mtr0log.h" +#ifndef UNIV_HOTBACKUP +#include "dict0dict.h" +#include "ut0mem.h" +#include "row0ext.h" +#include "row0upd.h" +#include "que0que.h" +#include "trx0purge.h" +#include "trx0rseg.h" +#include "row0row.h" + +/*=========== UNDO LOG RECORD CREATION AND DECODING ====================*/ + +/**********************************************************************//** +Writes the mtr log entry of the inserted undo log record on the undo log +page. */ +UNIV_INLINE +void +trx_undof_page_add_undo_rec_log( +/*============================*/ + page_t* undo_page, /*!< in: undo log page */ + ulint old_free, /*!< in: start offset of the inserted entry */ + ulint new_free, /*!< in: end offset of the entry */ + mtr_t* mtr) /*!< in: mtr */ +{ + byte* log_ptr; + const byte* log_end; + ulint len; + + log_ptr = mlog_open(mtr, 11 + 13 + MLOG_BUF_MARGIN); + + if (log_ptr == NULL) { + + return; + } + + log_end = &log_ptr[11 + 13 + MLOG_BUF_MARGIN]; + log_ptr = mlog_write_initial_log_record_fast( + undo_page, MLOG_UNDO_INSERT, log_ptr, mtr); + len = new_free - old_free - 4; + + mach_write_to_2(log_ptr, len); + log_ptr += 2; + + if (log_ptr + len <= log_end) { + memcpy(log_ptr, undo_page + old_free + 2, len); + mlog_close(mtr, log_ptr + len); + } else { + mlog_close(mtr, log_ptr); + mlog_catenate_string(mtr, undo_page + old_free + 2, len); + } +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses a redo log record of adding an undo log record. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_add_undo_rec( +/*========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page) /*!< in: page or NULL */ +{ + ulint len; + byte* rec; + ulint first_free; + + if (end_ptr < ptr + 2) { + + return(NULL); + } + + len = mach_read_from_2(ptr); + ptr += 2; + + if (end_ptr < ptr + len) { + + return(NULL); + } + + if (page == NULL) { + + return(ptr + len); + } + + first_free = mach_read_from_2(page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + rec = page + first_free; + + mach_write_to_2(rec, first_free + 4 + len); + mach_write_to_2(rec + 2 + len, first_free); + + mach_write_to_2(page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE, + first_free + 4 + len); + ut_memcpy(rec + 2, ptr, len); + + return(ptr + len); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Calculates the free space left for extending an undo log record. +@return bytes left */ +UNIV_INLINE +ulint +trx_undo_left( +/*==========*/ + const page_t* page, /*!< in: undo log page */ + const byte* ptr) /*!< in: pointer to page */ +{ + /* The '- 10' is a safety margin, in case we have some small + calculation error below */ + + return(UNIV_PAGE_SIZE - (ptr - page) - 10 - FIL_PAGE_DATA_END); +} + +/**********************************************************************//** +Set the next and previous pointers in the undo page for the undo record +that was written to ptr. Update the first free value by the number of bytes +written for this undo record. +@return offset of the inserted entry on the page if succeeded, 0 if fail */ +static +ulint +trx_undo_page_set_next_prev_and_add( +/*================================*/ + page_t* undo_page, /*!< in/out: undo log page */ + byte* ptr, /*!< in: ptr up to where data has been + written on this undo page. */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint first_free; /*!< offset within undo_page */ + ulint end_of_rec; /*!< offset within undo_page */ + byte* ptr_to_first_free; + /* pointer within undo_page + that points to the next free + offset value within undo_page.*/ + + ut_ad(ptr > undo_page); + ut_ad(ptr < undo_page + UNIV_PAGE_SIZE); + + if (UNIV_UNLIKELY(trx_undo_left(undo_page, ptr) < 2)) { + + return(0); + } + + ptr_to_first_free = undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE; + + first_free = mach_read_from_2(ptr_to_first_free); + + /* Write offset of the previous undo log record */ + mach_write_to_2(ptr, first_free); + ptr += 2; + + end_of_rec = ptr - undo_page; + + /* Write offset of the next undo log record */ + mach_write_to_2(undo_page + first_free, end_of_rec); + + /* Update the offset to first free undo record */ + mach_write_to_2(ptr_to_first_free, end_of_rec); + + /* Write this log entry to the UNDO log */ + trx_undof_page_add_undo_rec_log(undo_page, first_free, + end_of_rec, mtr); + + return(first_free); +} + +/**********************************************************************//** +Reports in the undo log of an insert of a clustered index record. +@return offset of the inserted entry on the page if succeed, 0 if fail */ +static +ulint +trx_undo_page_report_insert( +/*========================*/ + page_t* undo_page, /*!< in: undo log page */ + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: index entry which will be + inserted to the clustered index */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint first_free; + byte* ptr; + ulint i; + + ut_ad(dict_index_is_clust(index)); + ut_ad(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_TYPE) == TRX_UNDO_INSERT); + + first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + ptr = undo_page + first_free; + + ut_ad(first_free <= UNIV_PAGE_SIZE); + + if (trx_undo_left(undo_page, ptr) < 2 + 1 + 11 + 11) { + + /* Not enough space for writing the general parameters */ + + return(0); + } + + /* Reserve 2 bytes for the pointer to the next undo log record */ + ptr += 2; + + /* Store first some general parameters to the undo log */ + *ptr++ = TRX_UNDO_INSERT_REC; + ptr += mach_dulint_write_much_compressed(ptr, trx->undo_no); + ptr += mach_dulint_write_much_compressed(ptr, index->table->id); + /*----------------------------------------*/ + /* Store then the fields required to uniquely determine the record + to be inserted in the clustered index */ + + for (i = 0; i < dict_index_get_n_unique(index); i++) { + + const dfield_t* field = dtuple_get_nth_field(clust_entry, i); + ulint flen = dfield_get_len(field); + + if (trx_undo_left(undo_page, ptr) < 5) { + + return(0); + } + + ptr += mach_write_compressed(ptr, flen); + + if (flen != UNIV_SQL_NULL) { + if (trx_undo_left(undo_page, ptr) < flen) { + + return(0); + } + + ut_memcpy(ptr, dfield_get_data(field), flen); + ptr += flen; + } + } + + return(trx_undo_page_set_next_prev_and_add(undo_page, ptr, mtr)); +} + +/**********************************************************************//** +Reads from an undo log record the general parameters. +@return remaining part of undo log record after reading these values */ +UNIV_INTERN +byte* +trx_undo_rec_get_pars( +/*==================*/ + trx_undo_rec_t* undo_rec, /*!< in: undo log record */ + ulint* type, /*!< out: undo record type: + TRX_UNDO_INSERT_REC, ... */ + ulint* cmpl_info, /*!< out: compiler info, relevant only + for update type records */ + ibool* updated_extern, /*!< out: TRUE if we updated an + externally stored fild */ + undo_no_t* undo_no, /*!< out: undo log record number */ + dulint* table_id) /*!< out: table id */ +{ + byte* ptr; + ulint type_cmpl; + + ptr = undo_rec + 2; + + type_cmpl = mach_read_from_1(ptr); + ptr++; + + if (type_cmpl & TRX_UNDO_UPD_EXTERN) { + *updated_extern = TRUE; + type_cmpl -= TRX_UNDO_UPD_EXTERN; + } else { + *updated_extern = FALSE; + } + + *type = type_cmpl & (TRX_UNDO_CMPL_INFO_MULT - 1); + *cmpl_info = type_cmpl / TRX_UNDO_CMPL_INFO_MULT; + + *undo_no = mach_dulint_read_much_compressed(ptr); + ptr += mach_dulint_get_much_compressed_size(*undo_no); + + *table_id = mach_dulint_read_much_compressed(ptr); + ptr += mach_dulint_get_much_compressed_size(*table_id); + + return(ptr); +} + +/**********************************************************************//** +Reads from an undo log record a stored column value. +@return remaining part of undo log record after reading these values */ +static +byte* +trx_undo_rec_get_col_val( +/*=====================*/ + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + byte** field, /*!< out: pointer to stored field */ + ulint* len, /*!< out: length of the field, or UNIV_SQL_NULL */ + ulint* orig_len)/*!< out: original length of the locally + stored part of an externally stored column, or 0 */ +{ + *len = mach_read_compressed(ptr); + ptr += mach_get_compressed_size(*len); + + *orig_len = 0; + + switch (*len) { + case UNIV_SQL_NULL: + *field = NULL; + break; + case UNIV_EXTERN_STORAGE_FIELD: + *orig_len = mach_read_compressed(ptr); + ptr += mach_get_compressed_size(*orig_len); + *len = mach_read_compressed(ptr); + ptr += mach_get_compressed_size(*len); + *field = ptr; + ptr += *len; + + ut_ad(*orig_len >= BTR_EXTERN_FIELD_REF_SIZE); + ut_ad(*len > *orig_len); + ut_ad(*len >= REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE); + + *len += UNIV_EXTERN_STORAGE_FIELD; + break; + default: + *field = ptr; + if (*len >= UNIV_EXTERN_STORAGE_FIELD) { + ptr += *len - UNIV_EXTERN_STORAGE_FIELD; + } else { + ptr += *len; + } + } + + return(ptr); +} + +/*******************************************************************//** +Builds a row reference from an undo log record. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_get_row_ref( +/*=====================*/ + byte* ptr, /*!< in: remaining part of a copy of an undo log + record, at the start of the row reference; + NOTE that this copy of the undo log record must + be preserved as long as the row reference is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** ref, /*!< out, own: row reference */ + mem_heap_t* heap) /*!< in: memory heap from which the memory + needed is allocated */ +{ + ulint ref_len; + ulint i; + + ut_ad(index && ptr && ref && heap); + ut_a(dict_index_is_clust(index)); + + ref_len = dict_index_get_n_unique(index); + + *ref = dtuple_create(heap, ref_len); + + dict_index_copy_types(*ref, index, ref_len); + + for (i = 0; i < ref_len; i++) { + dfield_t* dfield; + byte* field; + ulint len; + ulint orig_len; + + dfield = dtuple_get_nth_field(*ref, i); + + ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); + + dfield_set_data(dfield, field, len); + } + + return(ptr); +} + +/*******************************************************************//** +Skips a row reference from an undo log record. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_skip_row_ref( +/*======================*/ + byte* ptr, /*!< in: remaining part in update undo log + record, at the start of the row reference */ + dict_index_t* index) /*!< in: clustered index */ +{ + ulint ref_len; + ulint i; + + ut_ad(index && ptr); + ut_a(dict_index_is_clust(index)); + + ref_len = dict_index_get_n_unique(index); + + for (i = 0; i < ref_len; i++) { + byte* field; + ulint len; + ulint orig_len; + + ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); + } + + return(ptr); +} + +/**********************************************************************//** +Fetch a prefix of an externally stored column, for writing to the undo log +of an update or delete marking of a clustered index record. +@return ext_buf */ +static +byte* +trx_undo_page_fetch_ext( +/*====================*/ + byte* ext_buf, /*!< in: a buffer of + REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE */ + ulint zip_size, /*!< compressed page size in bytes, + or 0 for uncompressed BLOB */ + const byte* field, /*!< in: an externally stored column */ + ulint* len) /*!< in: length of field; + out: used length of ext_buf */ +{ + /* Fetch the BLOB. */ + ulint ext_len = btr_copy_externally_stored_field_prefix( + ext_buf, REC_MAX_INDEX_COL_LEN, zip_size, field, *len); + /* BLOBs should always be nonempty. */ + ut_a(ext_len); + /* Append the BLOB pointer to the prefix. */ + memcpy(ext_buf + ext_len, + field + *len - BTR_EXTERN_FIELD_REF_SIZE, + BTR_EXTERN_FIELD_REF_SIZE); + *len = ext_len + BTR_EXTERN_FIELD_REF_SIZE; + return(ext_buf); +} + +/**********************************************************************//** +Writes to the undo log a prefix of an externally stored column. +@return undo log position */ +static +byte* +trx_undo_page_report_modify_ext( +/*============================*/ + byte* ptr, /*!< in: undo log position, + at least 15 bytes must be available */ + byte* ext_buf, /*!< in: a buffer of + REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE, + or NULL when should not fetch + a longer prefix */ + ulint zip_size, /*!< compressed page size in bytes, + or 0 for uncompressed BLOB */ + const byte** field, /*!< in/out: the locally stored part of + the externally stored column */ + ulint* len) /*!< in/out: length of field, in bytes */ +{ + if (ext_buf) { + /* If an ordering column is externally stored, we will + have to store a longer prefix of the field. In this + case, write to the log a marker followed by the + original length and the real length of the field. */ + ptr += mach_write_compressed(ptr, UNIV_EXTERN_STORAGE_FIELD); + + ptr += mach_write_compressed(ptr, *len); + + *field = trx_undo_page_fetch_ext(ext_buf, zip_size, + *field, len); + + ptr += mach_write_compressed(ptr, *len); + } else { + ptr += mach_write_compressed(ptr, UNIV_EXTERN_STORAGE_FIELD + + *len); + } + + return(ptr); +} + +/**********************************************************************//** +Reports in the undo log of an update or delete marking of a clustered index +record. +@return byte offset of the inserted undo log entry on the page if +succeed, 0 if fail */ +static +ulint +trx_undo_page_report_modify( +/*========================*/ + page_t* undo_page, /*!< in: undo log page */ + trx_t* trx, /*!< in: transaction */ + dict_index_t* index, /*!< in: clustered index where update or + delete marking is done */ + const rec_t* rec, /*!< in: clustered index record which + has NOT yet been modified */ + const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ + const upd_t* update, /*!< in: update vector which tells the + columns to be updated; in the case of + a delete, this should be set to NULL */ + ulint cmpl_info, /*!< in: compiler info on secondary + index updates */ + mtr_t* mtr) /*!< in: mtr */ +{ + dict_table_t* table; + ulint first_free; + byte* ptr; + const byte* field; + ulint flen; + ulint col_no; + ulint type_cmpl; + byte* type_cmpl_ptr; + ulint i; + trx_id_t trx_id; + ibool ignore_prefix = FALSE; + byte ext_buf[REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE]; + + ut_a(dict_index_is_clust(index)); + ut_ad(rec_offs_validate(rec, index, offsets)); + ut_ad(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_TYPE) == TRX_UNDO_UPDATE); + table = index->table; + + first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + ptr = undo_page + first_free; + + ut_ad(first_free <= UNIV_PAGE_SIZE); + + if (trx_undo_left(undo_page, ptr) < 50) { + + /* NOTE: the value 50 must be big enough so that the general + fields written below fit on the undo log page */ + + return(0); + } + + /* Reserve 2 bytes for the pointer to the next undo log record */ + ptr += 2; + + /* Store first some general parameters to the undo log */ + + if (!update) { + type_cmpl = TRX_UNDO_DEL_MARK_REC; + } else if (rec_get_deleted_flag(rec, dict_table_is_comp(table))) { + type_cmpl = TRX_UNDO_UPD_DEL_REC; + /* We are about to update a delete marked record. + We don't typically need the prefix in this case unless + the delete marking is done by the same transaction + (which we check below). */ + ignore_prefix = TRUE; + } else { + type_cmpl = TRX_UNDO_UPD_EXIST_REC; + } + + type_cmpl |= cmpl_info * TRX_UNDO_CMPL_INFO_MULT; + type_cmpl_ptr = ptr; + + *ptr++ = (byte) type_cmpl; + ptr += mach_dulint_write_much_compressed(ptr, trx->undo_no); + + ptr += mach_dulint_write_much_compressed(ptr, table->id); + + /*----------------------------------------*/ + /* Store the state of the info bits */ + + *ptr++ = (byte) rec_get_info_bits(rec, dict_table_is_comp(table)); + + /* Store the values of the system columns */ + field = rec_get_nth_field(rec, offsets, + dict_index_get_sys_col_pos( + index, DATA_TRX_ID), &flen); + ut_ad(flen == DATA_TRX_ID_LEN); + + trx_id = trx_read_trx_id(field); + + /* If it is an update of a delete marked record, then we are + allowed to ignore blob prefixes if the delete marking was done + by some other trx as it must have committed by now for us to + allow an over-write. */ + if (ignore_prefix) { + ignore_prefix = ut_dulint_cmp(trx_id, trx->id) != 0; + } + ptr += mach_dulint_write_compressed(ptr, trx_id); + + field = rec_get_nth_field(rec, offsets, + dict_index_get_sys_col_pos( + index, DATA_ROLL_PTR), &flen); + ut_ad(flen == DATA_ROLL_PTR_LEN); + + ptr += mach_dulint_write_compressed(ptr, trx_read_roll_ptr(field)); + + /*----------------------------------------*/ + /* Store then the fields required to uniquely determine the + record which will be modified in the clustered index */ + + for (i = 0; i < dict_index_get_n_unique(index); i++) { + + field = rec_get_nth_field(rec, offsets, i, &flen); + + /* The ordering columns must not be stored externally. */ + ut_ad(!rec_offs_nth_extern(offsets, i)); + ut_ad(dict_index_get_nth_col(index, i)->ord_part); + + if (trx_undo_left(undo_page, ptr) < 5) { + + return(0); + } + + ptr += mach_write_compressed(ptr, flen); + + if (flen != UNIV_SQL_NULL) { + if (trx_undo_left(undo_page, ptr) < flen) { + + return(0); + } + + ut_memcpy(ptr, field, flen); + ptr += flen; + } + } + + /*----------------------------------------*/ + /* Save to the undo log the old values of the columns to be updated. */ + + if (update) { + if (trx_undo_left(undo_page, ptr) < 5) { + + return(0); + } + + ptr += mach_write_compressed(ptr, upd_get_n_fields(update)); + + for (i = 0; i < upd_get_n_fields(update); i++) { + + ulint pos = upd_get_nth_field(update, i)->field_no; + + /* Write field number to undo log */ + if (trx_undo_left(undo_page, ptr) < 5) { + + return(0); + } + + ptr += mach_write_compressed(ptr, pos); + + /* Save the old value of field */ + field = rec_get_nth_field(rec, offsets, pos, &flen); + + if (trx_undo_left(undo_page, ptr) < 15) { + + return(0); + } + + if (rec_offs_nth_extern(offsets, pos)) { + ptr = trx_undo_page_report_modify_ext( + ptr, + dict_index_get_nth_col(index, pos) + ->ord_part + && !ignore_prefix + && flen < REC_MAX_INDEX_COL_LEN + ? ext_buf : NULL, + dict_table_zip_size(table), + &field, &flen); + + /* Notify purge that it eventually has to + free the old externally stored field */ + + trx->update_undo->del_marks = TRUE; + + *type_cmpl_ptr |= TRX_UNDO_UPD_EXTERN; + } else { + ptr += mach_write_compressed(ptr, flen); + } + + if (flen != UNIV_SQL_NULL) { + if (trx_undo_left(undo_page, ptr) < flen) { + + return(0); + } + + ut_memcpy(ptr, field, flen); + ptr += flen; + } + } + } + + /*----------------------------------------*/ + /* In the case of a delete marking, and also in the case of an update + where any ordering field of any index changes, store the values of all + columns which occur as ordering fields in any index. This info is used + in the purge of old versions where we use it to build and search the + delete marked index records, to look if we can remove them from the + index tree. Note that starting from 4.0.14 also externally stored + fields can be ordering in some index. Starting from 5.2, we no longer + store REC_MAX_INDEX_COL_LEN first bytes to the undo log record, + but we can construct the column prefix fields in the index by + fetching the first page of the BLOB that is pointed to by the + clustered index. This works also in crash recovery, because all pages + (including BLOBs) are recovered before anything is rolled back. */ + + if (!update || !(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { + byte* old_ptr = ptr; + + trx->update_undo->del_marks = TRUE; + + if (trx_undo_left(undo_page, ptr) < 5) { + + return(0); + } + + /* Reserve 2 bytes to write the number of bytes the stored + fields take in this undo record */ + + ptr += 2; + + for (col_no = 0; col_no < dict_table_get_n_cols(table); + col_no++) { + + const dict_col_t* col + = dict_table_get_nth_col(table, col_no); + + if (col->ord_part) { + ulint pos; + + /* Write field number to undo log */ + if (trx_undo_left(undo_page, ptr) < 5 + 15) { + + return(0); + } + + pos = dict_index_get_nth_col_pos(index, + col_no); + ptr += mach_write_compressed(ptr, pos); + + /* Save the old value of field */ + field = rec_get_nth_field(rec, offsets, pos, + &flen); + + if (rec_offs_nth_extern(offsets, pos)) { + ptr = trx_undo_page_report_modify_ext( + ptr, + flen < REC_MAX_INDEX_COL_LEN + && !ignore_prefix + ? ext_buf : NULL, + dict_table_zip_size(table), + &field, &flen); + } else { + ptr += mach_write_compressed( + ptr, flen); + } + + if (flen != UNIV_SQL_NULL) { + if (trx_undo_left(undo_page, ptr) + < flen) { + + return(0); + } + + ut_memcpy(ptr, field, flen); + ptr += flen; + } + } + } + + mach_write_to_2(old_ptr, ptr - old_ptr); + } + + /*----------------------------------------*/ + /* Write pointers to the previous and the next undo log records */ + if (trx_undo_left(undo_page, ptr) < 2) { + + return(0); + } + + mach_write_to_2(ptr, first_free); + ptr += 2; + mach_write_to_2(undo_page + first_free, ptr - undo_page); + + mach_write_to_2(undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE, + ptr - undo_page); + + /* Write to the REDO log about this change in the UNDO log */ + + trx_undof_page_add_undo_rec_log(undo_page, first_free, + ptr - undo_page, mtr); + return(first_free); +} + +/**********************************************************************//** +Reads from an undo log update record the system field values of the old +version. +@return remaining part of undo log record after reading these values */ +UNIV_INTERN +byte* +trx_undo_update_rec_get_sys_cols( +/*=============================*/ + byte* ptr, /*!< in: remaining part of undo + log record after reading + general parameters */ + trx_id_t* trx_id, /*!< out: trx id */ + roll_ptr_t* roll_ptr, /*!< out: roll ptr */ + ulint* info_bits) /*!< out: info bits state */ +{ + /* Read the state of the info bits */ + *info_bits = mach_read_from_1(ptr); + ptr += 1; + + /* Read the values of the system columns */ + + *trx_id = mach_dulint_read_compressed(ptr); + ptr += mach_dulint_get_compressed_size(*trx_id); + + *roll_ptr = mach_dulint_read_compressed(ptr); + ptr += mach_dulint_get_compressed_size(*roll_ptr); + + return(ptr); +} + +/**********************************************************************//** +Reads from an update undo log record the number of updated fields. +@return remaining part of undo log record after reading this value */ +UNIV_INLINE +byte* +trx_undo_update_rec_get_n_upd_fields( +/*=================================*/ + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + ulint* n) /*!< out: number of fields */ +{ + *n = mach_read_compressed(ptr); + ptr += mach_get_compressed_size(*n); + + return(ptr); +} + +/**********************************************************************//** +Reads from an update undo log record a stored field number. +@return remaining part of undo log record after reading this value */ +UNIV_INLINE +byte* +trx_undo_update_rec_get_field_no( +/*=============================*/ + byte* ptr, /*!< in: pointer to remaining part of undo log record */ + ulint* field_no)/*!< out: field number */ +{ + *field_no = mach_read_compressed(ptr); + ptr += mach_get_compressed_size(*field_no); + + return(ptr); +} + +/*******************************************************************//** +Builds an update vector based on a remaining part of an undo log record. +@return remaining part of the record, NULL if an error detected, which +means that the record is corrupted */ +UNIV_INTERN +byte* +trx_undo_update_rec_get_update( +/*===========================*/ + byte* ptr, /*!< in: remaining part in update undo log + record, after reading the row reference + NOTE that this copy of the undo log record must + be preserved as long as the update vector is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, + TRX_UNDO_UPD_DEL_REC, or + TRX_UNDO_DEL_MARK_REC; in the last case, + only trx id and roll ptr fields are added to + the update vector */ + trx_id_t trx_id, /*!< in: transaction id from this undo record */ + roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ + ulint info_bits,/*!< in: info bits from this undo record */ + trx_t* trx, /*!< in: transaction */ + mem_heap_t* heap, /*!< in: memory heap from which the memory + needed is allocated */ + upd_t** upd) /*!< out, own: update vector */ +{ + upd_field_t* upd_field; + upd_t* update; + ulint n_fields; + byte* buf; + ulint i; + + ut_a(dict_index_is_clust(index)); + + if (type != TRX_UNDO_DEL_MARK_REC) { + ptr = trx_undo_update_rec_get_n_upd_fields(ptr, &n_fields); + } else { + n_fields = 0; + } + + update = upd_create(n_fields + 2, heap); + + update->info_bits = info_bits; + + /* Store first trx id and roll ptr to update vector */ + + upd_field = upd_get_nth_field(update, n_fields); + buf = mem_heap_alloc(heap, DATA_TRX_ID_LEN); + trx_write_trx_id(buf, trx_id); + + upd_field_set_field_no(upd_field, + dict_index_get_sys_col_pos(index, DATA_TRX_ID), + index, trx); + dfield_set_data(&(upd_field->new_val), buf, DATA_TRX_ID_LEN); + + upd_field = upd_get_nth_field(update, n_fields + 1); + buf = mem_heap_alloc(heap, DATA_ROLL_PTR_LEN); + trx_write_roll_ptr(buf, roll_ptr); + + upd_field_set_field_no( + upd_field, dict_index_get_sys_col_pos(index, DATA_ROLL_PTR), + index, trx); + dfield_set_data(&(upd_field->new_val), buf, DATA_ROLL_PTR_LEN); + + /* Store then the updated ordinary columns to the update vector */ + + for (i = 0; i < n_fields; i++) { + + byte* field; + ulint len; + ulint field_no; + ulint orig_len; + + ptr = trx_undo_update_rec_get_field_no(ptr, &field_no); + + if (field_no >= dict_index_get_n_fields(index)) { + fprintf(stderr, + "InnoDB: Error: trying to access" + " update undo rec field %lu in ", + (ulong) field_no); + dict_index_name_print(stderr, trx, index); + fprintf(stderr, "\n" + "InnoDB: but index has only %lu fields\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n" + "InnoDB: Run also CHECK TABLE ", + (ulong) dict_index_get_n_fields(index)); + ut_print_name(stderr, trx, TRUE, index->table_name); + fprintf(stderr, "\n" + "InnoDB: n_fields = %lu, i = %lu, ptr %p\n", + (ulong) n_fields, (ulong) i, ptr); + *upd = NULL; + return(NULL); + } + + upd_field = upd_get_nth_field(update, i); + + upd_field_set_field_no(upd_field, field_no, index, trx); + + ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); + + upd_field->orig_len = orig_len; + + if (len == UNIV_SQL_NULL) { + dfield_set_null(&upd_field->new_val); + } else if (len < UNIV_EXTERN_STORAGE_FIELD) { + dfield_set_data(&upd_field->new_val, field, len); + } else { + len -= UNIV_EXTERN_STORAGE_FIELD; + + dfield_set_data(&upd_field->new_val, field, len); + dfield_set_ext(&upd_field->new_val); + } + } + + *upd = update; + + return(ptr); +} + +/*******************************************************************//** +Builds a partial row from an update undo log record. It contains the +columns which occur as ordering in any index of the table. +@return pointer to remaining part of undo record */ +UNIV_INTERN +byte* +trx_undo_rec_get_partial_row( +/*=========================*/ + byte* ptr, /*!< in: remaining part in update undo log + record of a suitable type, at the start of + the stored index columns; + NOTE that this copy of the undo log record must + be preserved as long as the partial row is + used, as we do NOT copy the data in the + record! */ + dict_index_t* index, /*!< in: clustered index */ + dtuple_t** row, /*!< out, own: partial row */ + ibool ignore_prefix, /*!< in: flag to indicate if we + expect blob prefixes in undo. Used + only in the assertion. */ + mem_heap_t* heap) /*!< in: memory heap from which the memory + needed is allocated */ +{ + const byte* end_ptr; + ulint row_len; + + ut_ad(index); + ut_ad(ptr); + ut_ad(row); + ut_ad(heap); + ut_ad(dict_index_is_clust(index)); + + row_len = dict_table_get_n_cols(index->table); + + *row = dtuple_create(heap, row_len); + + dict_table_copy_types(*row, index->table); + + end_ptr = ptr + mach_read_from_2(ptr); + ptr += 2; + + while (ptr != end_ptr) { + dfield_t* dfield; + byte* field; + ulint field_no; + const dict_col_t* col; + ulint col_no; + ulint len; + ulint orig_len; + + ptr = trx_undo_update_rec_get_field_no(ptr, &field_no); + + col = dict_index_get_nth_col(index, field_no); + col_no = dict_col_get_no(col); + + ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); + + dfield = dtuple_get_nth_field(*row, col_no); + + dfield_set_data(dfield, field, len); + + if (len != UNIV_SQL_NULL + && len >= UNIV_EXTERN_STORAGE_FIELD) { + dfield_set_len(dfield, + len - UNIV_EXTERN_STORAGE_FIELD); + dfield_set_ext(dfield); + /* If the prefix of this column is indexed, + ensure that enough prefix is stored in the + undo log record. */ + ut_a(ignore_prefix + || !col->ord_part + || dfield_get_len(dfield) + >= REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE); + } + } + + return(ptr); +} +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************************//** +Erases the unused undo log page end. */ +static +void +trx_undo_erase_page_end( +/*====================*/ + page_t* undo_page, /*!< in: undo page whose end to erase */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint first_free; + + first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE); + memset(undo_page + first_free, 0xff, + (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END) - first_free); + + mlog_write_initial_log_record(undo_page, MLOG_UNDO_ERASE_END, mtr); +} + +/***********************************************************//** +Parses a redo log record of erasing of an undo page end. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_erase_page_end( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ut_ad(ptr && end_ptr); + + if (page == NULL) { + + return(ptr); + } + + trx_undo_erase_page_end(page, mtr); + + return(ptr); +} + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Writes information to an undo log about an insert, update, or a delete marking +of a clustered index record. This information is used in a rollback of the +transaction and in consistent reads that must look to the history of this +transaction. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +trx_undo_report_row_operation( +/*==========================*/ + ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is + set, does nothing */ + ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or + TRX_UNDO_MODIFY_OP */ + que_thr_t* thr, /*!< in: query thread */ + dict_index_t* index, /*!< in: clustered index */ + const dtuple_t* clust_entry, /*!< in: in the case of an insert, + index entry to insert into the + clustered index, otherwise NULL */ + const upd_t* update, /*!< in: in the case of an update, + the update vector, otherwise NULL */ + ulint cmpl_info, /*!< in: compiler info on secondary + index updates */ + const rec_t* rec, /*!< in: in case of an update or delete + marking, the record in the clustered + index, otherwise NULL */ + roll_ptr_t* roll_ptr) /*!< out: rollback pointer to the + inserted undo log record, + ut_dulint_zero if BTR_NO_UNDO_LOG + flag was specified */ +{ + trx_t* trx; + trx_undo_t* undo; + ulint page_no; + trx_rseg_t* rseg; + mtr_t mtr; + ulint err = DB_SUCCESS; + mem_heap_t* heap = NULL; + ulint offsets_[REC_OFFS_NORMAL_SIZE]; + ulint* offsets = offsets_; + rec_offs_init(offsets_); + + ut_a(dict_index_is_clust(index)); + + if (flags & BTR_NO_UNDO_LOG_FLAG) { + + *roll_ptr = ut_dulint_zero; + + return(DB_SUCCESS); + } + + ut_ad(thr); + ut_ad((op_type != TRX_UNDO_INSERT_OP) + || (clust_entry && !update && !rec)); + + trx = thr_get_trx(thr); + rseg = trx->rseg; + + mutex_enter(&(trx->undo_mutex)); + + /* If the undo log is not assigned yet, assign one */ + + if (op_type == TRX_UNDO_INSERT_OP) { + + if (trx->insert_undo == NULL) { + + err = trx_undo_assign_undo(trx, TRX_UNDO_INSERT); + } + + undo = trx->insert_undo; + + if (UNIV_UNLIKELY(!undo)) { + /* Did not succeed */ + mutex_exit(&(trx->undo_mutex)); + + return(err); + } + } else { + ut_ad(op_type == TRX_UNDO_MODIFY_OP); + + if (trx->update_undo == NULL) { + + err = trx_undo_assign_undo(trx, TRX_UNDO_UPDATE); + + } + + undo = trx->update_undo; + + if (UNIV_UNLIKELY(!undo)) { + /* Did not succeed */ + mutex_exit(&(trx->undo_mutex)); + return(err); + } + + offsets = rec_get_offsets(rec, index, offsets, + ULINT_UNDEFINED, &heap); + } + + page_no = undo->last_page_no; + + mtr_start(&mtr); + + for (;;) { + buf_block_t* undo_block; + page_t* undo_page; + ulint offset; + + undo_block = buf_page_get_gen(undo->space, undo->zip_size, + page_no, RW_X_LATCH, + undo->guess_block, BUF_GET, + __FILE__, __LINE__, &mtr); + buf_block_dbg_add_level(undo_block, SYNC_TRX_UNDO_PAGE); + + undo_page = buf_block_get_frame(undo_block); + + if (op_type == TRX_UNDO_INSERT_OP) { + offset = trx_undo_page_report_insert( + undo_page, trx, index, clust_entry, &mtr); + } else { + offset = trx_undo_page_report_modify( + undo_page, trx, index, rec, offsets, update, + cmpl_info, &mtr); + } + + if (UNIV_UNLIKELY(offset == 0)) { + /* The record did not fit on the page. We erase the + end segment of the undo log page and write a log + record of it: this is to ensure that in the debug + version the replicate page constructed using the log + records stays identical to the original page */ + + trx_undo_erase_page_end(undo_page, &mtr); + mtr_commit(&mtr); + } else { + /* Success */ + + mtr_commit(&mtr); + + undo->empty = FALSE; + undo->top_page_no = page_no; + undo->top_offset = offset; + undo->top_undo_no = trx->undo_no; + undo->guess_block = undo_block; + + UT_DULINT_INC(trx->undo_no); + + mutex_exit(&trx->undo_mutex); + + *roll_ptr = trx_undo_build_roll_ptr( + op_type == TRX_UNDO_INSERT_OP, + rseg->id, page_no, offset); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(DB_SUCCESS); + } + + ut_ad(page_no == undo->last_page_no); + + /* We have to extend the undo log by one page */ + + mtr_start(&mtr); + + /* When we add a page to an undo log, this is analogous to + a pessimistic insert in a B-tree, and we must reserve the + counterpart of the tree latch, which is the rseg mutex. */ + + mutex_enter(&(rseg->mutex)); + + page_no = trx_undo_add_page(trx, undo, &mtr); + + mutex_exit(&(rseg->mutex)); + + if (UNIV_UNLIKELY(page_no == FIL_NULL)) { + /* Did not succeed: out of space */ + + mutex_exit(&(trx->undo_mutex)); + mtr_commit(&mtr); + if (UNIV_LIKELY_NULL(heap)) { + mem_heap_free(heap); + } + return(DB_OUT_OF_FILE_SPACE); + } + } +} + +/*============== BUILDING PREVIOUS VERSION OF A RECORD ===============*/ + +/******************************************************************//** +Copies an undo record to heap. This function can be called if we know that +the undo log record exists. +@return own: copy of the record */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_undo_rec_low( +/*======================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ +{ + trx_undo_rec_t* undo_rec; + ulint rseg_id; + ulint page_no; + ulint offset; + const page_t* undo_page; + trx_rseg_t* rseg; + ibool is_insert; + mtr_t mtr; + + trx_undo_decode_roll_ptr(roll_ptr, &is_insert, &rseg_id, &page_no, + &offset); + rseg = trx_rseg_get_on_id(rseg_id); + + mtr_start(&mtr); + + undo_page = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, + page_no, &mtr); + + undo_rec = trx_undo_rec_copy(undo_page + offset, heap); + + mtr_commit(&mtr); + + return(undo_rec); +} + +/******************************************************************//** +Copies an undo record to heap. + +NOTE: the caller must have latches on the clustered index page and +purge_view. + +@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been +truncated and we cannot fetch the old version */ +UNIV_INTERN +ulint +trx_undo_get_undo_rec( +/*==================*/ + roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ + trx_id_t trx_id, /*!< in: id of the trx that generated + the roll pointer: it points to an + undo log of this transaction */ + trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ +{ +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!trx_purge_update_undo_must_exist(trx_id)) { + + /* It may be that the necessary undo log has already been + deleted */ + + return(DB_MISSING_HISTORY); + } + + *undo_rec = trx_undo_get_undo_rec_low(roll_ptr, heap); + + return(DB_SUCCESS); +} + +/*******************************************************************//** +Build a previous version of a clustered index record. This function checks +that the caller has a latch on the index page of the clustered index record +and an s-latch on the purge_view. This guarantees that the stack of versions +is locked all the way down to the purge_view. +@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is +earlier than purge_view, which means that it may have been removed, +DB_ERROR if corrupted record */ +UNIV_INTERN +ulint +trx_undo_prev_version_build( +/*========================*/ + const rec_t* index_rec,/*!< in: clustered index record in the + index tree */ + mtr_t* index_mtr __attribute__((unused)), + /*!< in: mtr which contains the latch to + index_rec page and purge_view */ + const rec_t* rec, /*!< in: version of a clustered index record */ + dict_index_t* index, /*!< in: clustered index */ + ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ + mem_heap_t* heap, /*!< in: memory heap from which the memory + needed is allocated */ + rec_t** old_vers)/*!< out, own: previous version, or NULL if + rec is the first inserted version, or if + history data has been deleted (an error), + or if the purge COULD have removed the version + though it has not yet done so */ +{ + trx_undo_rec_t* undo_rec = NULL; + dtuple_t* entry; + trx_id_t rec_trx_id; + ulint type; + undo_no_t undo_no; + dulint table_id; + trx_id_t trx_id; + roll_ptr_t roll_ptr; + roll_ptr_t old_roll_ptr; + upd_t* update; + byte* ptr; + ulint info_bits; + ulint cmpl_info; + ibool dummy_extern; + byte* buf; + ulint err; +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(mtr_memo_contains_page(index_mtr, index_rec, MTR_MEMO_PAGE_S_FIX) + || mtr_memo_contains_page(index_mtr, index_rec, + MTR_MEMO_PAGE_X_FIX)); + ut_ad(rec_offs_validate(rec, index, offsets)); + + if (!dict_index_is_clust(index)) { + fprintf(stderr, "InnoDB: Error: trying to access" + " update undo rec for non-clustered index %s\n" + "InnoDB: Submit a detailed bug report to" + " http://bugs.mysql.com\n" + "InnoDB: index record ", index->name); + rec_print(stderr, index_rec, index); + fputs("\n" + "InnoDB: record version ", stderr); + rec_print_new(stderr, rec, offsets); + putc('\n', stderr); + return(DB_ERROR); + } + + roll_ptr = row_get_rec_roll_ptr(rec, index, offsets); + old_roll_ptr = roll_ptr; + + *old_vers = NULL; + + if (trx_undo_roll_ptr_is_insert(roll_ptr)) { + + /* The record rec is the first inserted version */ + + return(DB_SUCCESS); + } + + rec_trx_id = row_get_rec_trx_id(rec, index, offsets); + + err = trx_undo_get_undo_rec(roll_ptr, rec_trx_id, &undo_rec, heap); + + if (UNIV_UNLIKELY(err != DB_SUCCESS)) { + /* The undo record may already have been purged. + This should never happen in InnoDB. */ + + return(err); + } + + ptr = trx_undo_rec_get_pars(undo_rec, &type, &cmpl_info, + &dummy_extern, &undo_no, &table_id); + + ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, + &info_bits); + + /* (a) If a clustered index record version is such that the + trx id stamp in it is bigger than purge_sys->view, then the + BLOBs in that version are known to exist (the purge has not + progressed that far); + + (b) if the version is the first version such that trx id in it + is less than purge_sys->view, and it is not delete-marked, + then the BLOBs in that version are known to exist (the purge + cannot have purged the BLOBs referenced by that version + yet). + + This function does not fetch any BLOBs. The callers might, by + possibly invoking row_ext_create() via row_build(). However, + they should have all needed information in the *old_vers + returned by this function. This is because *old_vers is based + on the transaction undo log records. The function + trx_undo_page_fetch_ext() will write BLOB prefixes to the + transaction undo log that are at least as long as the longest + possible column prefix in a secondary index. Thus, secondary + index entries for *old_vers can be constructed without + dereferencing any BLOB pointers. */ + + ptr = trx_undo_rec_skip_row_ref(ptr, index); + + ptr = trx_undo_update_rec_get_update(ptr, index, type, trx_id, + roll_ptr, info_bits, + NULL, heap, &update); + + if (ut_dulint_cmp(table_id, index->table->id) != 0) { + ptr = NULL; + + fprintf(stderr, + "InnoDB: Error: trying to access update undo rec" + " for table %s\n" + "InnoDB: but the table id in the" + " undo record is wrong\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com\n" + "InnoDB: Run also CHECK TABLE %s\n", + index->table_name, index->table_name); + } + + if (ptr == NULL) { + /* The record was corrupted, return an error; these printfs + should catch an elusive bug in row_vers_old_has_index_entry */ + + fprintf(stderr, + "InnoDB: table %s, index %s, n_uniq %lu\n" + "InnoDB: undo rec address %p, type %lu cmpl_info %lu\n" + "InnoDB: undo rec table id %lu %lu," + " index table id %lu %lu\n" + "InnoDB: dump of 150 bytes in undo rec: ", + index->table_name, index->name, + (ulong) dict_index_get_n_unique(index), + undo_rec, (ulong) type, (ulong) cmpl_info, + (ulong) ut_dulint_get_high(table_id), + (ulong) ut_dulint_get_low(table_id), + (ulong) ut_dulint_get_high(index->table->id), + (ulong) ut_dulint_get_low(index->table->id)); + ut_print_buf(stderr, undo_rec, 150); + fputs("\n" + "InnoDB: index record ", stderr); + rec_print(stderr, index_rec, index); + fputs("\n" + "InnoDB: record version ", stderr); + rec_print_new(stderr, rec, offsets); + fprintf(stderr, "\n" + "InnoDB: Record trx id " TRX_ID_FMT + ", update rec trx id " TRX_ID_FMT "\n" + "InnoDB: Roll ptr in rec %lu %lu, in update rec" + " %lu %lu\n", + TRX_ID_PREP_PRINTF(rec_trx_id), + TRX_ID_PREP_PRINTF(trx_id), + (ulong) ut_dulint_get_high(old_roll_ptr), + (ulong) ut_dulint_get_low(old_roll_ptr), + (ulong) ut_dulint_get_high(roll_ptr), + (ulong) ut_dulint_get_low(roll_ptr)); + + trx_purge_sys_print(); + return(DB_ERROR); + } + + if (row_upd_changes_field_size_or_external(index, offsets, update)) { + ulint n_ext; + + /* We have to set the appropriate extern storage bits in the + old version of the record: the extern bits in rec for those + fields that update does NOT update, as well as the bits for + those fields that update updates to become externally stored + fields. Store the info: */ + + entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, + offsets, &n_ext, heap); + n_ext += btr_push_update_extern_fields(entry, update, heap); + /* The page containing the clustered index record + corresponding to entry is latched in mtr. Thus the + following call is safe. */ + row_upd_index_replace_new_col_vals(entry, index, update, heap); + + buf = mem_heap_alloc(heap, rec_get_converted_size(index, entry, + n_ext)); + + *old_vers = rec_convert_dtuple_to_rec(buf, index, + entry, n_ext); + } else { + buf = mem_heap_alloc(heap, rec_offs_size(offsets)); + *old_vers = rec_copy(buf, rec, offsets); + rec_offs_make_valid(*old_vers, index, offsets); + row_upd_rec_in_place(*old_vers, index, offsets, update, NULL); + } + + return(DB_SUCCESS); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/trx/trx0roll.c b/perfschema/trx/trx0roll.c new file mode 100644 index 00000000000..c925478cdf4 --- /dev/null +++ b/perfschema/trx/trx0roll.c @@ -0,0 +1,1366 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0roll.c +Transaction rollback + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0roll.h" + +#ifdef UNIV_NONINL +#include "trx0roll.ic" +#endif + +#include "fsp0fsp.h" +#include "mach0data.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "trx0undo.h" +#include "trx0rec.h" +#include "que0que.h" +#include "usr0sess.h" +#include "srv0que.h" +#include "srv0start.h" +#include "row0undo.h" +#include "row0mysql.h" +#include "lock0lock.h" +#include "pars0pars.h" + +/** This many pages must be undone before a truncate is tried within +rollback */ +#define TRX_ROLL_TRUNC_THRESHOLD 1 + +/** In crash recovery, the current trx to be rolled back */ +static trx_t* trx_roll_crash_recv_trx = NULL; + +/** In crash recovery we set this to the undo n:o of the current trx to be +rolled back. Then we can print how many % the rollback has progressed. */ +static ib_int64_t trx_roll_max_undo_no; + +/** Auxiliary variable which tells the previous progress % we printed */ +static ulint trx_roll_progress_printed_pct; + +/*******************************************************************//** +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_general_rollback_for_mysql( +/*===========================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_savept_t* savept) /*!< in: pointer to savepoint undo number, if + partial rollback requested, or NULL for + complete rollback */ +{ + mem_heap_t* heap; + que_thr_t* thr; + roll_node_t* roll_node; + + /* Tell Innobase server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + trx_start_if_not_started(trx); + + heap = mem_heap_create(512); + + roll_node = roll_node_create(heap); + + if (savept) { + roll_node->partial = TRUE; + roll_node->savept = *savept; + } + + trx->error_state = DB_SUCCESS; + + thr = pars_complete_graph_for_exec(roll_node, trx, heap); + + ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); + que_run_threads(thr); + + mutex_enter(&kernel_mutex); + + while (trx->que_state != TRX_QUE_RUNNING) { + + mutex_exit(&kernel_mutex); + + os_thread_sleep(100000); + + mutex_enter(&kernel_mutex); + } + + mutex_exit(&kernel_mutex); + + mem_heap_free(heap); + + ut_a(trx->error_state == DB_SUCCESS); + + /* Tell Innobase server that there might be work for + utility threads: */ + + srv_active_wake_master_thread(); + + return((int) trx->error_state); +} + +/*******************************************************************//** +Rollback a transaction used in MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_rollback_for_mysql( +/*===================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + int err; + + if (trx->conc_state == TRX_NOT_STARTED) { + + return(DB_SUCCESS); + } + + trx->op_info = "rollback"; + + /* If we are doing the XA recovery of prepared transactions, then + the transaction object does not have an InnoDB session object, and we + set a dummy session that we use for all MySQL transactions. */ + + err = trx_general_rollback_for_mysql(trx, NULL); + + trx->op_info = ""; + + return(err); +} + +/*******************************************************************//** +Rollback the latest SQL statement for MySQL. +@return error code or DB_SUCCESS */ +UNIV_INTERN +int +trx_rollback_last_sql_stat_for_mysql( +/*=================================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + int err; + + if (trx->conc_state == TRX_NOT_STARTED) { + + return(DB_SUCCESS); + } + + trx->op_info = "rollback of SQL statement"; + + err = trx_general_rollback_for_mysql(trx, &trx->last_sql_stat_start); + /* The following call should not be needed, but we play safe: */ + trx_mark_sql_stat_end(trx); + + trx->op_info = ""; + + return(err); +} + +/*******************************************************************//** +Frees a single savepoint struct. */ +UNIV_INTERN +void +trx_roll_savepoint_free( +/*=====================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep) /*!< in: savepoint to free */ +{ + ut_a(savep != NULL); + ut_a(UT_LIST_GET_LEN(trx->trx_savepoints) > 0); + + UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); + mem_free(savep->name); + mem_free(savep); +} + +/*******************************************************************//** +Frees savepoint structs starting from savep, if savep == NULL then +free all savepoints. */ +UNIV_INTERN +void +trx_roll_savepoints_free( +/*=====================*/ + trx_t* trx, /*!< in: transaction handle */ + trx_named_savept_t* savep) /*!< in: free all savepoints > this one; + if this is NULL, free all savepoints + of trx */ +{ + trx_named_savept_t* next_savep; + + if (savep == NULL) { + savep = UT_LIST_GET_FIRST(trx->trx_savepoints); + } else { + savep = UT_LIST_GET_NEXT(trx_savepoints, savep); + } + + while (savep != NULL) { + next_savep = UT_LIST_GET_NEXT(trx_savepoints, savep); + + trx_roll_savepoint_free(trx, savep); + + savep = next_savep; + } +} + +/*******************************************************************//** +Rolls back a transaction back to a named savepoint. Modifications after the +savepoint are undone but InnoDB does NOT release the corresponding locks +which are stored in memory. If a lock is 'implicit', that is, a new inserted +row holds a lock where the lock information is carried by the trx id stored in +the row, these locks are naturally released in the rollback. Savepoints which +were set after this savepoint are deleted. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ +UNIV_INTERN +ulint +trx_rollback_to_savepoint_for_mysql( +/*================================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t* mysql_binlog_cache_pos) /*!< out: the MySQL binlog cache + position corresponding to this + savepoint; MySQL needs this + information to remove the + binlog entries of the queries + executed after the savepoint */ +{ + trx_named_savept_t* savep; + ulint err; + + savep = UT_LIST_GET_FIRST(trx->trx_savepoints); + + while (savep != NULL) { + if (0 == ut_strcmp(savep->name, savepoint_name)) { + /* Found */ + break; + } + savep = UT_LIST_GET_NEXT(trx_savepoints, savep); + } + + if (savep == NULL) { + + return(DB_NO_SAVEPOINT); + } + + if (trx->conc_state == TRX_NOT_STARTED) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: transaction has a savepoint ", stderr); + ut_print_name(stderr, trx, FALSE, savep->name); + fputs(" though it is not started\n", stderr); + return(DB_ERROR); + } + + /* We can now free all savepoints strictly later than this one */ + + trx_roll_savepoints_free(trx, savep); + + *mysql_binlog_cache_pos = savep->mysql_binlog_cache_pos; + + trx->op_info = "rollback to a savepoint"; + + err = trx_general_rollback_for_mysql(trx, &savep->savept); + + /* Store the current undo_no of the transaction so that we know where + to roll back if we have to roll back the next SQL statement: */ + + trx_mark_sql_stat_end(trx); + + trx->op_info = ""; + + return(err); +} + +/*******************************************************************//** +Creates a named savepoint. If the transaction is not yet started, starts it. +If there is already a savepoint of the same name, this call erases that old +savepoint and replaces it with a new. Savepoints are deleted in a transaction +commit or rollback. +@return always DB_SUCCESS */ +UNIV_INTERN +ulint +trx_savepoint_for_mysql( +/*====================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name, /*!< in: savepoint name */ + ib_int64_t binlog_cache_pos) /*!< in: MySQL binlog cache + position corresponding to this + connection at the time of the + savepoint */ +{ + trx_named_savept_t* savep; + + ut_a(trx); + ut_a(savepoint_name); + + trx_start_if_not_started(trx); + + savep = UT_LIST_GET_FIRST(trx->trx_savepoints); + + while (savep != NULL) { + if (0 == ut_strcmp(savep->name, savepoint_name)) { + /* Found */ + break; + } + savep = UT_LIST_GET_NEXT(trx_savepoints, savep); + } + + if (savep) { + /* There is a savepoint with the same name: free that */ + + UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); + + mem_free(savep->name); + mem_free(savep); + } + + /* Create a new savepoint and add it as the last in the list */ + + savep = mem_alloc(sizeof(trx_named_savept_t)); + + savep->name = mem_strdup(savepoint_name); + + savep->savept = trx_savept_take(trx); + + savep->mysql_binlog_cache_pos = binlog_cache_pos; + + UT_LIST_ADD_LAST(trx_savepoints, trx->trx_savepoints, savep); + + return(DB_SUCCESS); +} + +/*******************************************************************//** +Releases only the named savepoint. Savepoints which were set after this +savepoint are left as is. +@return if no savepoint of the name found then DB_NO_SAVEPOINT, +otherwise DB_SUCCESS */ +UNIV_INTERN +ulint +trx_release_savepoint_for_mysql( +/*============================*/ + trx_t* trx, /*!< in: transaction handle */ + const char* savepoint_name) /*!< in: savepoint name */ +{ + trx_named_savept_t* savep; + + savep = UT_LIST_GET_FIRST(trx->trx_savepoints); + + /* Search for the savepoint by name and free if found. */ + while (savep != NULL) { + if (0 == ut_strcmp(savep->name, savepoint_name)) { + trx_roll_savepoint_free(trx, savep); + return(DB_SUCCESS); + } + savep = UT_LIST_GET_NEXT(trx_savepoints, savep); + } + + return(DB_NO_SAVEPOINT); +} + +/*******************************************************************//** +Determines if this transaction is rolling back an incomplete transaction +in crash recovery. +@return TRUE if trx is an incomplete transaction that is being rolled +back in crash recovery */ +UNIV_INTERN +ibool +trx_is_recv( +/*========*/ + const trx_t* trx) /*!< in: transaction */ +{ + return(trx == trx_roll_crash_recv_trx); +} + +/*******************************************************************//** +Returns a transaction savepoint taken at this point in time. +@return savepoint */ +UNIV_INTERN +trx_savept_t +trx_savept_take( +/*============*/ + trx_t* trx) /*!< in: transaction */ +{ + trx_savept_t savept; + + savept.least_undo_no = trx->undo_no; + + return(savept); +} + +/*******************************************************************//** +Roll back an active transaction. */ +static +void +trx_rollback_active( +/*================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + mem_heap_t* heap; + que_fork_t* fork; + que_thr_t* thr; + roll_node_t* roll_node; + dict_table_t* table; + ib_int64_t rows_to_undo; + const char* unit = ""; + ibool dictionary_locked = FALSE; + + heap = mem_heap_create(512); + + fork = que_fork_create(NULL, NULL, QUE_FORK_RECOVERY, heap); + fork->trx = trx; + + thr = que_thr_create(fork, heap); + + roll_node = roll_node_create(heap); + + thr->child = roll_node; + roll_node->common.parent = thr; + + mutex_enter(&kernel_mutex); + + trx->graph = fork; + + ut_a(thr == que_fork_start_command(fork)); + + trx_roll_crash_recv_trx = trx; + trx_roll_max_undo_no = ut_conv_dulint_to_longlong(trx->undo_no); + trx_roll_progress_printed_pct = 0; + rows_to_undo = trx_roll_max_undo_no; + + if (rows_to_undo > 1000000000) { + rows_to_undo = rows_to_undo / 1000000; + unit = "M"; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Rolling back trx with id " TRX_ID_FMT ", %lu%s" + " rows to undo\n", + TRX_ID_PREP_PRINTF(trx->id), + (ulong) rows_to_undo, unit); + mutex_exit(&kernel_mutex); + + trx->mysql_thread_id = os_thread_get_curr_id(); + + trx->mysql_process_no = os_proc_get_number(); + + if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE) { + row_mysql_lock_data_dictionary(trx); + dictionary_locked = TRUE; + } + + que_run_threads(thr); + + mutex_enter(&kernel_mutex); + + while (trx->que_state != TRX_QUE_RUNNING) { + + mutex_exit(&kernel_mutex); + + fprintf(stderr, + "InnoDB: Waiting for rollback of trx id %lu to end\n", + (ulong) ut_dulint_get_low(trx->id)); + os_thread_sleep(100000); + + mutex_enter(&kernel_mutex); + } + + mutex_exit(&kernel_mutex); + + if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE + && !ut_dulint_is_zero(trx->table_id)) { + + /* If the transaction was for a dictionary operation, we + drop the relevant table, if it still exists */ + + fprintf(stderr, + "InnoDB: Dropping table with id %lu %lu" + " in recovery if it exists\n", + (ulong) ut_dulint_get_high(trx->table_id), + (ulong) ut_dulint_get_low(trx->table_id)); + + table = dict_table_get_on_id_low(trx->table_id); + + if (table) { + ulint err; + + fputs("InnoDB: Table found: dropping table ", stderr); + ut_print_name(stderr, trx, TRUE, table->name); + fputs(" in recovery\n", stderr); + + err = row_drop_table_for_mysql(table->name, trx, TRUE); + trx_commit_for_mysql(trx); + + ut_a(err == (int) DB_SUCCESS); + } + } + + if (dictionary_locked) { + row_mysql_unlock_data_dictionary(trx); + } + + fprintf(stderr, "\nInnoDB: Rolling back of trx id " TRX_ID_FMT + " completed\n", + TRX_ID_PREP_PRINTF(trx->id)); + mem_heap_free(heap); + + trx_roll_crash_recv_trx = NULL; +} + +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. */ +UNIV_INTERN +void +trx_rollback_or_clean_recovered( +/*============================*/ + ibool all) /*!< in: FALSE=roll back dictionary transactions; + TRUE=roll back all non-PREPARED transactions */ +{ + trx_t* trx; + + mutex_enter(&kernel_mutex); + + if (!UT_LIST_GET_FIRST(trx_sys->trx_list)) { + goto leave_function; + } + + if (all) { + fprintf(stderr, + "InnoDB: Starting in background the rollback" + " of uncommitted transactions\n"); + } + + mutex_exit(&kernel_mutex); + +loop: + mutex_enter(&kernel_mutex); + + for (trx = UT_LIST_GET_FIRST(trx_sys->trx_list); trx; + trx = UT_LIST_GET_NEXT(trx_list, trx)) { + if (!trx->is_recovered) { + continue; + } + + switch (trx->conc_state) { + case TRX_NOT_STARTED: + case TRX_PREPARED: + continue; + + case TRX_COMMITTED_IN_MEMORY: + mutex_exit(&kernel_mutex); + fprintf(stderr, + "InnoDB: Cleaning up trx with id " + TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(trx->id)); + trx_cleanup_at_db_startup(trx); + goto loop; + + case TRX_ACTIVE: + if (all || trx_get_dict_operation(trx) + != TRX_DICT_OP_NONE) { + mutex_exit(&kernel_mutex); + trx_rollback_active(trx); + goto loop; + } + } + } + + if (all) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Rollback of non-prepared" + " transactions completed\n"); + } + +leave_function: + mutex_exit(&kernel_mutex); +} + +/*******************************************************************//** +Rollback or clean up any incomplete transactions which were +encountered in crash recovery. If the transaction already was +committed, then we clean up a possible insert undo log. If the +transaction was not yet committed, then we roll it back. +Note: this is done in a background thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +trx_rollback_or_clean_all_recovered( +/*================================*/ + void* arg __attribute__((unused))) + /*!< in: a dummy parameter required by + os_thread_create */ +{ + trx_rollback_or_clean_recovered(TRUE); + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; +} + +/*******************************************************************//** +Creates an undo number array. +@return own: undo number array */ +UNIV_INTERN +trx_undo_arr_t* +trx_undo_arr_create(void) +/*=====================*/ +{ + trx_undo_arr_t* arr; + mem_heap_t* heap; + ulint i; + + heap = mem_heap_create(1024); + + arr = mem_heap_alloc(heap, sizeof(trx_undo_arr_t)); + + arr->infos = mem_heap_alloc(heap, sizeof(trx_undo_inf_t) + * UNIV_MAX_PARALLELISM); + arr->n_cells = UNIV_MAX_PARALLELISM; + arr->n_used = 0; + + arr->heap = heap; + + for (i = 0; i < UNIV_MAX_PARALLELISM; i++) { + + (trx_undo_arr_get_nth_info(arr, i))->in_use = FALSE; + } + + return(arr); +} + +/*******************************************************************//** +Frees an undo number array. */ +UNIV_INTERN +void +trx_undo_arr_free( +/*==============*/ + trx_undo_arr_t* arr) /*!< in: undo number array */ +{ + ut_ad(arr->n_used == 0); + + mem_heap_free(arr->heap); +} + +/*******************************************************************//** +Stores info of an undo log record to the array if it is not stored yet. +@return FALSE if the record already existed in the array */ +static +ibool +trx_undo_arr_store_info( +/*====================*/ + trx_t* trx, /*!< in: transaction */ + undo_no_t undo_no)/*!< in: undo number */ +{ + trx_undo_inf_t* cell; + trx_undo_inf_t* stored_here; + trx_undo_arr_t* arr; + ulint n_used; + ulint n; + ulint i; + + n = 0; + arr = trx->undo_no_arr; + n_used = arr->n_used; + stored_here = NULL; + + for (i = 0;; i++) { + cell = trx_undo_arr_get_nth_info(arr, i); + + if (!cell->in_use) { + if (!stored_here) { + /* Not in use, we may store here */ + cell->undo_no = undo_no; + cell->in_use = TRUE; + + arr->n_used++; + + stored_here = cell; + } + } else { + n++; + + if (0 == ut_dulint_cmp(cell->undo_no, undo_no)) { + + if (stored_here) { + stored_here->in_use = FALSE; + ut_ad(arr->n_used > 0); + arr->n_used--; + } + + ut_ad(arr->n_used == n_used); + + return(FALSE); + } + } + + if (n == n_used && stored_here) { + + ut_ad(arr->n_used == 1 + n_used); + + return(TRUE); + } + } +} + +/*******************************************************************//** +Removes an undo number from the array. */ +static +void +trx_undo_arr_remove_info( +/*=====================*/ + trx_undo_arr_t* arr, /*!< in: undo number array */ + undo_no_t undo_no)/*!< in: undo number */ +{ + trx_undo_inf_t* cell; + ulint n_used; + ulint n; + ulint i; + + n_used = arr->n_used; + n = 0; + + for (i = 0;; i++) { + cell = trx_undo_arr_get_nth_info(arr, i); + + if (cell->in_use + && 0 == ut_dulint_cmp(cell->undo_no, undo_no)) { + + cell->in_use = FALSE; + + ut_ad(arr->n_used > 0); + + arr->n_used--; + + return; + } + } +} + +/*******************************************************************//** +Gets the biggest undo number in an array. +@return biggest value, ut_dulint_zero if the array is empty */ +static +undo_no_t +trx_undo_arr_get_biggest( +/*=====================*/ + trx_undo_arr_t* arr) /*!< in: undo number array */ +{ + trx_undo_inf_t* cell; + ulint n_used; + undo_no_t biggest; + ulint n; + ulint i; + + n = 0; + n_used = arr->n_used; + biggest = ut_dulint_zero; + + for (i = 0;; i++) { + cell = trx_undo_arr_get_nth_info(arr, i); + + if (cell->in_use) { + n++; + if (ut_dulint_cmp(cell->undo_no, biggest) > 0) { + + biggest = cell->undo_no; + } + } + + if (n == n_used) { + return(biggest); + } + } +} + +/***********************************************************************//** +Tries truncate the undo logs. */ +UNIV_INTERN +void +trx_roll_try_truncate( +/*==================*/ + trx_t* trx) /*!< in/out: transaction */ +{ + trx_undo_arr_t* arr; + undo_no_t limit; + undo_no_t biggest; + + ut_ad(mutex_own(&(trx->undo_mutex))); + ut_ad(mutex_own(&((trx->rseg)->mutex))); + + trx->pages_undone = 0; + + arr = trx->undo_no_arr; + + limit = trx->undo_no; + + if (arr->n_used > 0) { + biggest = trx_undo_arr_get_biggest(arr); + + if (ut_dulint_cmp(biggest, limit) >= 0) { + + limit = ut_dulint_add(biggest, 1); + } + } + + if (trx->insert_undo) { + trx_undo_truncate_end(trx, trx->insert_undo, limit); + } + + if (trx->update_undo) { + trx_undo_truncate_end(trx, trx->update_undo, limit); + } +} + +/***********************************************************************//** +Pops the topmost undo log record in a single undo log and updates the info +about the topmost record in the undo log memory struct. +@return undo log record, the page s-latched */ +static +trx_undo_rec_t* +trx_roll_pop_top_rec( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* undo_page; + ulint offset; + trx_undo_rec_t* prev_rec; + page_t* prev_rec_page; + + ut_ad(mutex_own(&(trx->undo_mutex))); + + undo_page = trx_undo_page_get_s_latched(undo->space, undo->zip_size, + undo->top_page_no, mtr); + offset = undo->top_offset; + + /* fprintf(stderr, "Thread %lu undoing trx %lu undo record %lu\n", + os_thread_get_curr_id(), ut_dulint_get_low(trx->id), + ut_dulint_get_low(undo->top_undo_no)); */ + + prev_rec = trx_undo_get_prev_rec(undo_page + offset, + undo->hdr_page_no, undo->hdr_offset, + mtr); + if (prev_rec == NULL) { + + undo->empty = TRUE; + } else { + prev_rec_page = page_align(prev_rec); + + if (prev_rec_page != undo_page) { + + trx->pages_undone++; + } + + undo->top_page_no = page_get_page_no(prev_rec_page); + undo->top_offset = prev_rec - prev_rec_page; + undo->top_undo_no = trx_undo_rec_get_undo_no(prev_rec); + } + + return(undo_page + offset); +} + +/********************************************************************//** +Pops the topmost record when the two undo logs of a transaction are seen +as a single stack of records ordered by their undo numbers. Inserts the +undo number of the popped undo record to the array of currently processed +undo numbers in the transaction. When the query thread finishes processing +of this undo record, it must be released with trx_undo_rec_release. +@return undo log record copied to heap, NULL if none left, or if the +undo number of the top record would be less than the limit */ +UNIV_INTERN +trx_undo_rec_t* +trx_roll_pop_top_rec_of_trx( +/*========================*/ + trx_t* trx, /*!< in: transaction */ + undo_no_t limit, /*!< in: least undo number we need */ + roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ + mem_heap_t* heap) /*!< in: memory heap where copied */ +{ + trx_undo_t* undo; + trx_undo_t* ins_undo; + trx_undo_t* upd_undo; + trx_undo_rec_t* undo_rec; + trx_undo_rec_t* undo_rec_copy; + undo_no_t undo_no; + ibool is_insert; + trx_rseg_t* rseg; + ulint progress_pct; + mtr_t mtr; + + rseg = trx->rseg; +try_again: + mutex_enter(&(trx->undo_mutex)); + + if (trx->pages_undone >= TRX_ROLL_TRUNC_THRESHOLD) { + mutex_enter(&(rseg->mutex)); + + trx_roll_try_truncate(trx); + + mutex_exit(&(rseg->mutex)); + } + + ins_undo = trx->insert_undo; + upd_undo = trx->update_undo; + + if (!ins_undo || ins_undo->empty) { + undo = upd_undo; + } else if (!upd_undo || upd_undo->empty) { + undo = ins_undo; + } else if (ut_dulint_cmp(upd_undo->top_undo_no, + ins_undo->top_undo_no) > 0) { + undo = upd_undo; + } else { + undo = ins_undo; + } + + if (!undo || undo->empty + || (ut_dulint_cmp(limit, undo->top_undo_no) > 0)) { + + if ((trx->undo_no_arr)->n_used == 0) { + /* Rollback is ending */ + + mutex_enter(&(rseg->mutex)); + + trx_roll_try_truncate(trx); + + mutex_exit(&(rseg->mutex)); + } + + mutex_exit(&(trx->undo_mutex)); + + return(NULL); + } + + if (undo == ins_undo) { + is_insert = TRUE; + } else { + is_insert = FALSE; + } + + *roll_ptr = trx_undo_build_roll_ptr(is_insert, (undo->rseg)->id, + undo->top_page_no, + undo->top_offset); + mtr_start(&mtr); + + undo_rec = trx_roll_pop_top_rec(trx, undo, &mtr); + + undo_no = trx_undo_rec_get_undo_no(undo_rec); + + ut_ad(ut_dulint_cmp(ut_dulint_add(undo_no, 1), trx->undo_no) == 0); + + /* We print rollback progress info if we are in a crash recovery + and the transaction has at least 1000 row operations to undo. */ + + if (trx == trx_roll_crash_recv_trx && trx_roll_max_undo_no > 1000) { + + progress_pct = 100 - (ulint) + ((ut_conv_dulint_to_longlong(undo_no) * 100) + / trx_roll_max_undo_no); + if (progress_pct != trx_roll_progress_printed_pct) { + if (trx_roll_progress_printed_pct == 0) { + fprintf(stderr, + "\nInnoDB: Progress in percents:" + " %lu", (ulong) progress_pct); + } else { + fprintf(stderr, + " %lu", (ulong) progress_pct); + } + fflush(stderr); + trx_roll_progress_printed_pct = progress_pct; + } + } + + trx->undo_no = undo_no; + + if (!trx_undo_arr_store_info(trx, undo_no)) { + /* A query thread is already processing this undo log record */ + + mutex_exit(&(trx->undo_mutex)); + + mtr_commit(&mtr); + + goto try_again; + } + + undo_rec_copy = trx_undo_rec_copy(undo_rec, heap); + + mutex_exit(&(trx->undo_mutex)); + + mtr_commit(&mtr); + + return(undo_rec_copy); +} + +/********************************************************************//** +Reserves an undo log record for a query thread to undo. This should be +called if the query thread gets the undo log record not using the pop +function above. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +trx_undo_rec_reserve( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no)/*!< in: undo number of the record */ +{ + ibool ret; + + mutex_enter(&(trx->undo_mutex)); + + ret = trx_undo_arr_store_info(trx, undo_no); + + mutex_exit(&(trx->undo_mutex)); + + return(ret); +} + +/*******************************************************************//** +Releases a reserved undo record. */ +UNIV_INTERN +void +trx_undo_rec_release( +/*=================*/ + trx_t* trx, /*!< in/out: transaction */ + undo_no_t undo_no)/*!< in: undo number */ +{ + trx_undo_arr_t* arr; + + mutex_enter(&(trx->undo_mutex)); + + arr = trx->undo_no_arr; + + trx_undo_arr_remove_info(arr, undo_no); + + mutex_exit(&(trx->undo_mutex)); +} + +/*********************************************************************//** +Starts a rollback operation. */ +UNIV_INTERN +void +trx_rollback( +/*=========*/ + trx_t* trx, /*!< in: transaction */ + trx_sig_t* sig, /*!< in: signal starting the rollback */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if the passed value is + NULL, the parameter is ignored */ +{ + que_t* roll_graph; + que_thr_t* thr; + /* que_thr_t* thr2; */ + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad((trx->undo_no_arr == NULL) || ((trx->undo_no_arr)->n_used == 0)); + + /* Initialize the rollback field in the transaction */ + + if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { + + trx->roll_limit = ut_dulint_zero; + + } else if (sig->type == TRX_SIG_ROLLBACK_TO_SAVEPT) { + + trx->roll_limit = (sig->savept).least_undo_no; + + } else if (sig->type == TRX_SIG_ERROR_OCCURRED) { + + trx->roll_limit = trx->last_sql_stat_start.least_undo_no; + } else { + ut_error; + } + + ut_a(ut_dulint_cmp(trx->roll_limit, trx->undo_no) <= 0); + + trx->pages_undone = 0; + + if (trx->undo_no_arr == NULL) { + trx->undo_no_arr = trx_undo_arr_create(); + } + + /* Build a 'query' graph which will perform the undo operations */ + + roll_graph = trx_roll_graph_build(trx); + + trx->graph = roll_graph; + trx->que_state = TRX_QUE_ROLLING_BACK; + + thr = que_fork_start_command(roll_graph); + + ut_ad(thr); + + /* thr2 = que_fork_start_command(roll_graph); + + ut_ad(thr2); */ + + if (next_thr && (*next_thr == NULL)) { + *next_thr = thr; + /* srv_que_task_enqueue_low(thr2); */ + } else { + srv_que_task_enqueue_low(thr); + /* srv_que_task_enqueue_low(thr2); */ + } +} + +/****************************************************************//** +Builds an undo 'query' graph for a transaction. The actual rollback is +performed by executing this query graph like a query subprocedure call. +The reply about the completion of the rollback will be sent by this +graph. +@return own: the query graph */ +UNIV_INTERN +que_t* +trx_roll_graph_build( +/*=================*/ + trx_t* trx) /*!< in: trx handle */ +{ + mem_heap_t* heap; + que_fork_t* fork; + que_thr_t* thr; + /* que_thr_t* thr2; */ + + ut_ad(mutex_own(&kernel_mutex)); + + heap = mem_heap_create(512); + fork = que_fork_create(NULL, NULL, QUE_FORK_ROLLBACK, heap); + fork->trx = trx; + + thr = que_thr_create(fork, heap); + /* thr2 = que_thr_create(fork, heap); */ + + thr->child = row_undo_node_create(trx, thr, heap); + /* thr2->child = row_undo_node_create(trx, thr2, heap); */ + + return(fork); +} + +/*********************************************************************//** +Finishes error processing after the necessary partial rollback has been +done. */ +static +void +trx_finish_error_processing( +/*========================*/ + trx_t* trx) /*!< in: transaction */ +{ + trx_sig_t* sig; + trx_sig_t* next_sig; + + ut_ad(mutex_own(&kernel_mutex)); + + sig = UT_LIST_GET_FIRST(trx->signals); + + while (sig != NULL) { + next_sig = UT_LIST_GET_NEXT(signals, sig); + + if (sig->type == TRX_SIG_ERROR_OCCURRED) { + + trx_sig_remove(trx, sig); + } + + sig = next_sig; + } + + trx->que_state = TRX_QUE_RUNNING; +} + +/*********************************************************************//** +Finishes a partial rollback operation. */ +static +void +trx_finish_partial_rollback_off_kernel( +/*===================================*/ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; + if the value which is passed in is a pointer + to a NULL pointer, then the calling function + can start running a new query thread; if this + parameter is NULL, it is ignored */ +{ + trx_sig_t* sig; + + ut_ad(mutex_own(&kernel_mutex)); + + sig = UT_LIST_GET_FIRST(trx->signals); + + /* Remove the signal from the signal queue and send reply message + to it */ + + trx_sig_reply(sig, next_thr); + trx_sig_remove(trx, sig); + + trx->que_state = TRX_QUE_RUNNING; +} + +/****************************************************************//** +Finishes a transaction rollback. */ +UNIV_INTERN +void +trx_finish_rollback_off_kernel( +/*===========================*/ + que_t* graph, /*!< in: undo graph which can now be freed */ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr)/*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if this parameter is + NULL, it is ignored */ +{ + trx_sig_t* sig; + trx_sig_t* next_sig; + + ut_ad(mutex_own(&kernel_mutex)); + + ut_a(trx->undo_no_arr == NULL || trx->undo_no_arr->n_used == 0); + + /* Free the memory reserved by the undo graph */ + que_graph_free(graph); + + sig = UT_LIST_GET_FIRST(trx->signals); + + if (sig->type == TRX_SIG_ROLLBACK_TO_SAVEPT) { + + trx_finish_partial_rollback_off_kernel(trx, next_thr); + + return; + + } else if (sig->type == TRX_SIG_ERROR_OCCURRED) { + + trx_finish_error_processing(trx); + + return; + } + +#ifdef UNIV_DEBUG + if (lock_print_waits) { + fprintf(stderr, "Trx %lu rollback finished\n", + (ulong) ut_dulint_get_low(trx->id)); + } +#endif /* UNIV_DEBUG */ + + trx_commit_off_kernel(trx); + + /* Remove all TRX_SIG_TOTAL_ROLLBACK signals from the signal queue and + send reply messages to them */ + + trx->que_state = TRX_QUE_RUNNING; + + while (sig != NULL) { + next_sig = UT_LIST_GET_NEXT(signals, sig); + + if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { + + trx_sig_reply(sig, next_thr); + + trx_sig_remove(trx, sig); + } + + sig = next_sig; + } +} + +/*********************************************************************//** +Creates a rollback command node struct. +@return own: rollback node struct */ +UNIV_INTERN +roll_node_t* +roll_node_create( +/*=============*/ + mem_heap_t* heap) /*!< in: mem heap where created */ +{ + roll_node_t* node; + + node = mem_heap_alloc(heap, sizeof(roll_node_t)); + node->common.type = QUE_NODE_ROLLBACK; + node->state = ROLL_NODE_SEND; + + node->partial = FALSE; + + return(node); +} + +/***********************************************************//** +Performs an execution step for a rollback command node in a query graph. +@return query thread to run next, or NULL */ +UNIV_INTERN +que_thr_t* +trx_rollback_step( +/*==============*/ + que_thr_t* thr) /*!< in: query thread */ +{ + roll_node_t* node; + ulint sig_no; + trx_savept_t* savept; + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_ROLLBACK); + + if (thr->prev_node == que_node_get_parent(node)) { + node->state = ROLL_NODE_SEND; + } + + if (node->state == ROLL_NODE_SEND) { + mutex_enter(&kernel_mutex); + + node->state = ROLL_NODE_WAIT; + + if (node->partial) { + sig_no = TRX_SIG_ROLLBACK_TO_SAVEPT; + savept = &(node->savept); + } else { + sig_no = TRX_SIG_TOTAL_ROLLBACK; + savept = NULL; + } + + /* Send a rollback signal to the transaction */ + + trx_sig_send(thr_get_trx(thr), sig_no, TRX_SIG_SELF, thr, + savept, NULL); + + thr->state = QUE_THR_SIG_REPLY_WAIT; + + mutex_exit(&kernel_mutex); + + return(NULL); + } + + ut_ad(node->state == ROLL_NODE_WAIT); + + thr->run_node = que_node_get_parent(node); + + return(thr); +} diff --git a/perfschema/trx/trx0rseg.c b/perfschema/trx/trx0rseg.c new file mode 100644 index 00000000000..36dea9b2a95 --- /dev/null +++ b/perfschema/trx/trx0rseg.c @@ -0,0 +1,288 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0rseg.c +Rollback segment + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0rseg.h" + +#ifdef UNIV_NONINL +#include "trx0rseg.ic" +#endif + +#include "trx0undo.h" +#include "fut0lst.h" +#include "srv0srv.h" +#include "trx0purge.h" + +/******************************************************************//** +Looks for a rollback segment, based on the rollback segment id. +@return rollback segment */ +UNIV_INTERN +trx_rseg_t* +trx_rseg_get_on_id( +/*===============*/ + ulint id) /*!< in: rollback segment id */ +{ + trx_rseg_t* rseg; + + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + ut_ad(rseg); + + while (rseg->id != id) { + rseg = UT_LIST_GET_NEXT(rseg_list, rseg); + ut_ad(rseg); + } + + return(rseg); +} + +/****************************************************************//** +Creates a rollback segment header. This function is called only when +a new rollback segment is created in the database. +@return page number of the created segment, FIL_NULL if fail */ +UNIV_INTERN +ulint +trx_rseg_header_create( +/*===================*/ + ulint space, /*!< in: space id */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint max_size, /*!< in: max size in pages */ + ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint page_no; + trx_rsegf_t* rsegf; + trx_sysf_t* sys_header; + ulint i; + buf_block_t* block; + + ut_ad(mtr); + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), + MTR_MEMO_X_LOCK)); + sys_header = trx_sysf_get(mtr); + + *slot_no = trx_sysf_rseg_find_free(mtr); + + if (*slot_no == ULINT_UNDEFINED) { + + return(FIL_NULL); + } + + /* Allocate a new file segment for the rollback segment */ + block = fseg_create(space, 0, + TRX_RSEG + TRX_RSEG_FSEG_HEADER, mtr); + + if (block == NULL) { + /* No space left */ + + return(FIL_NULL); + } + + buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); + + page_no = buf_block_get_page_no(block); + + /* Get the rollback segment file page */ + rsegf = trx_rsegf_get_new(space, zip_size, page_no, mtr); + + /* Initialize max size field */ + mlog_write_ulint(rsegf + TRX_RSEG_MAX_SIZE, max_size, + MLOG_4BYTES, mtr); + + /* Initialize the history list */ + + mlog_write_ulint(rsegf + TRX_RSEG_HISTORY_SIZE, 0, MLOG_4BYTES, mtr); + flst_init(rsegf + TRX_RSEG_HISTORY, mtr); + + /* Reset the undo log slots */ + for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { + + trx_rsegf_set_nth_undo(rsegf, i, FIL_NULL, mtr); + } + + /* Add the rollback segment info to the free slot in the trx system + header */ + + trx_sysf_rseg_set_space(sys_header, *slot_no, space, mtr); + trx_sysf_rseg_set_page_no(sys_header, *slot_no, page_no, mtr); + + return(page_no); +} + +/***********************************************************************//** +Free's an instance of the rollback segment in memory. */ +UNIV_INTERN +void +trx_rseg_mem_free( +/*==============*/ + trx_rseg_t* rseg) /* in, own: instance to free */ +{ + trx_undo_t* undo; + + mutex_free(&rseg->mutex); + + /* There can't be any active transactions. */ + ut_a(UT_LIST_GET_LEN(rseg->update_undo_list) == 0); + ut_a(UT_LIST_GET_LEN(rseg->insert_undo_list) == 0); + + undo = UT_LIST_GET_FIRST(rseg->update_undo_cached); + + while (undo != NULL) { + trx_undo_t* prev_undo = undo; + + undo = UT_LIST_GET_NEXT(undo_list, undo); + UT_LIST_REMOVE(undo_list, rseg->update_undo_cached, prev_undo); + + trx_undo_mem_free(prev_undo); + } + + undo = UT_LIST_GET_FIRST(rseg->insert_undo_cached); + + while (undo != NULL) { + trx_undo_t* prev_undo = undo; + + undo = UT_LIST_GET_NEXT(undo_list, undo); + UT_LIST_REMOVE(undo_list, rseg->insert_undo_cached, prev_undo); + + trx_undo_mem_free(prev_undo); + } + + trx_sys_set_nth_rseg(trx_sys, rseg->id, NULL); + + mem_free(rseg); +} + +/*************************************************************************** +Creates and initializes a rollback segment object. The values for the +fields are read from the header. The object is inserted to the rseg +list of the trx system object and a pointer is inserted in the rseg +array in the trx system object. +@return own: rollback segment object */ +static +trx_rseg_t* +trx_rseg_mem_create( +/*================*/ + ulint id, /*!< in: rollback segment id */ + ulint space, /*!< in: space where the segment placed */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no, /*!< in: page number of the segment header */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_rsegf_t* rseg_header; + trx_rseg_t* rseg; + trx_ulogf_t* undo_log_hdr; + fil_addr_t node_addr; + ulint sum_of_undo_sizes; + ulint len; + + ut_ad(mutex_own(&kernel_mutex)); + + rseg = mem_alloc(sizeof(trx_rseg_t)); + + rseg->id = id; + rseg->space = space; + rseg->zip_size = zip_size; + rseg->page_no = page_no; + + mutex_create(&rseg->mutex, SYNC_RSEG); + + UT_LIST_ADD_LAST(rseg_list, trx_sys->rseg_list, rseg); + + trx_sys_set_nth_rseg(trx_sys, id, rseg); + + rseg_header = trx_rsegf_get_new(space, zip_size, page_no, mtr); + + rseg->max_size = mtr_read_ulint(rseg_header + TRX_RSEG_MAX_SIZE, + MLOG_4BYTES, mtr); + + /* Initialize the undo log lists according to the rseg header */ + + sum_of_undo_sizes = trx_undo_lists_init(rseg); + + rseg->curr_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, + MLOG_4BYTES, mtr) + + 1 + sum_of_undo_sizes; + + len = flst_get_len(rseg_header + TRX_RSEG_HISTORY, mtr); + if (len > 0) { + trx_sys->rseg_history_len += len; + + node_addr = trx_purge_get_log_from_hist( + flst_get_last(rseg_header + TRX_RSEG_HISTORY, mtr)); + rseg->last_page_no = node_addr.page; + rseg->last_offset = node_addr.boffset; + + undo_log_hdr = trx_undo_page_get(rseg->space, rseg->zip_size, + node_addr.page, + mtr) + node_addr.boffset; + + rseg->last_trx_no = mtr_read_dulint( + undo_log_hdr + TRX_UNDO_TRX_NO, mtr); + rseg->last_del_marks = mtr_read_ulint( + undo_log_hdr + TRX_UNDO_DEL_MARKS, MLOG_2BYTES, mtr); + } else { + rseg->last_page_no = FIL_NULL; + } + + return(rseg); +} + +/*********************************************************************//** +Creates the memory copies for rollback segments and initializes the +rseg list and array in trx_sys at a database startup. */ +UNIV_INTERN +void +trx_rseg_list_and_array_init( +/*=========================*/ + trx_sysf_t* sys_header, /*!< in: trx system header */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint i; + ulint page_no; + ulint space; + + UT_LIST_INIT(trx_sys->rseg_list); + + trx_sys->rseg_history_len = 0; + + for (i = 0; i < TRX_SYS_N_RSEGS; i++) { + + page_no = trx_sysf_rseg_get_page_no(sys_header, i, mtr); + + if (page_no == FIL_NULL) { + + trx_sys_set_nth_rseg(trx_sys, i, NULL); + } else { + ulint zip_size; + + space = trx_sysf_rseg_get_space(sys_header, i, mtr); + + zip_size = space ? fil_space_get_zip_size(space) : 0; + + trx_rseg_mem_create(i, space, zip_size, page_no, mtr); + } + } +} diff --git a/perfschema/trx/trx0sys.c b/perfschema/trx/trx0sys.c new file mode 100644 index 00000000000..ba25662c8fb --- /dev/null +++ b/perfschema/trx/trx0sys.c @@ -0,0 +1,1615 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0sys.c +Transaction system + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0sys.h" + +#ifdef UNIV_NONINL +#include "trx0sys.ic" +#endif + +#ifndef UNIV_HOTBACKUP +#include "fsp0fsp.h" +#include "mtr0log.h" +#include "mtr0log.h" +#include "trx0trx.h" +#include "trx0rseg.h" +#include "trx0undo.h" +#include "srv0srv.h" +#include "trx0purge.h" +#include "log0log.h" +#include "os0file.h" +#include "read0read.h" + +/** The file format tag structure with id and name. */ +struct file_format_struct { + ulint id; /*!< id of the file format */ + const char* name; /*!< text representation of the + file format */ + mutex_t mutex; /*!< covers changes to the above + fields */ +}; + +/** The file format tag */ +typedef struct file_format_struct file_format_t; + +/** The transaction system */ +UNIV_INTERN trx_sys_t* trx_sys = NULL; +/** The doublewrite buffer */ +UNIV_INTERN trx_doublewrite_t* trx_doublewrite = NULL; + +/** The following is set to TRUE when we are upgrading from pre-4.1 +format data files to the multiple tablespaces format data files */ +UNIV_INTERN ibool trx_doublewrite_must_reset_space_ids = FALSE; +/** Set to TRUE when the doublewrite buffer is being created */ +UNIV_INTERN ibool trx_doublewrite_buf_is_being_created = FALSE; + +/** The following is TRUE when we are using the database in the +post-4.1 format, i.e., we have successfully upgraded, or have created +a new database installation */ +UNIV_INTERN ibool trx_sys_multiple_tablespace_format = FALSE; + +/** In a MySQL replication slave, in crash recovery we store the master log +file name and position here. */ +/* @{ */ +/** Master binlog file name */ +UNIV_INTERN char trx_sys_mysql_master_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; +/** Master binlog file position. We have successfully got the updates +up to this position. -1 means that no crash recovery was needed, or +there was no master log position info inside InnoDB.*/ +UNIV_INTERN ib_int64_t trx_sys_mysql_master_log_pos = -1; +/* @} */ + +/** If this MySQL server uses binary logging, after InnoDB has been inited +and if it has done a crash recovery, we store the binlog file name and position +here. */ +/* @{ */ +/** Binlog file name */ +UNIV_INTERN char trx_sys_mysql_bin_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; +/** Binlog file position, or -1 if unknown */ +UNIV_INTERN ib_int64_t trx_sys_mysql_bin_log_pos = -1; +/* @} */ +#endif /* !UNIV_HOTBACKUP */ + +/** List of animal names representing file format. */ +static const char* file_format_name_map[] = { + "Antelope", + "Barracuda", + "Cheetah", + "Dragon", + "Elk", + "Fox", + "Gazelle", + "Hornet", + "Impala", + "Jaguar", + "Kangaroo", + "Leopard", + "Moose", + "Nautilus", + "Ocelot", + "Porpoise", + "Quail", + "Rabbit", + "Shark", + "Tiger", + "Urchin", + "Viper", + "Whale", + "Xenops", + "Yak", + "Zebra" +}; + +/** The number of elements in the file format name array. */ +static const ulint FILE_FORMAT_NAME_N + = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); + +#ifndef UNIV_HOTBACKUP +/** This is used to track the maximum file format id known to InnoDB. It's +updated via SET GLOBAL innodb_file_format_check = 'x' or when we open +or create a table. */ +static file_format_t file_format_max; + +/****************************************************************//** +Determines if a page number is located inside the doublewrite buffer. +@return TRUE if the location is inside the two blocks of the +doublewrite buffer */ +UNIV_INTERN +ibool +trx_doublewrite_page_inside( +/*========================*/ + ulint page_no) /*!< in: page number */ +{ + if (trx_doublewrite == NULL) { + + return(FALSE); + } + + if (page_no >= trx_doublewrite->block1 + && page_no < trx_doublewrite->block1 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + return(TRUE); + } + + if (page_no >= trx_doublewrite->block2 + && page_no < trx_doublewrite->block2 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + return(TRUE); + } + + return(FALSE); +} + +/****************************************************************//** +Creates or initialializes the doublewrite buffer at a database start. */ +static +void +trx_doublewrite_init( +/*=================*/ + byte* doublewrite) /*!< in: pointer to the doublewrite buf + header on trx sys page */ +{ + trx_doublewrite = mem_alloc(sizeof(trx_doublewrite_t)); + + /* Since we now start to use the doublewrite buffer, no need to call + fsync() after every write to a data file */ +#ifdef UNIV_DO_FLUSH + os_do_not_call_flush_at_each_write = TRUE; +#endif /* UNIV_DO_FLUSH */ + + mutex_create(&trx_doublewrite->mutex, SYNC_DOUBLEWRITE); + + trx_doublewrite->first_free = 0; + + trx_doublewrite->block1 = mach_read_from_4( + doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK1); + trx_doublewrite->block2 = mach_read_from_4( + doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK2); + trx_doublewrite->write_buf_unaligned = ut_malloc( + (1 + 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) * UNIV_PAGE_SIZE); + + trx_doublewrite->write_buf = ut_align( + trx_doublewrite->write_buf_unaligned, UNIV_PAGE_SIZE); + trx_doublewrite->buf_block_arr = mem_alloc( + 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * sizeof(void*)); +} + +/****************************************************************//** +Marks the trx sys header when we have successfully upgraded to the >= 4.1.x +multiple tablespace format. */ +UNIV_INTERN +void +trx_sys_mark_upgraded_to_multiple_tablespaces(void) +/*===============================================*/ +{ + buf_block_t* block; + byte* doublewrite; + mtr_t mtr; + + /* We upgraded to 4.1.x and reset the space id fields in the + doublewrite buffer. Let us mark to the trx_sys header that the upgrade + has been done. */ + + mtr_start(&mtr); + + block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; + + mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED, + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, + MLOG_4BYTES, &mtr); + mtr_commit(&mtr); + + /* Flush the modified pages to disk and make a checkpoint */ + log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); + + trx_sys_multiple_tablespace_format = TRUE; +} + +/****************************************************************//** +Creates the doublewrite buffer to a new InnoDB installation. The header of the +doublewrite buffer is placed on the trx system header page. */ +UNIV_INTERN +void +trx_sys_create_doublewrite_buf(void) +/*================================*/ +{ + buf_block_t* block; + buf_block_t* block2; + buf_block_t* new_block; + byte* doublewrite; + byte* fseg_header; + ulint page_no; + ulint prev_page_no; + ulint i; + mtr_t mtr; + + if (trx_doublewrite) { + /* Already inited */ + + return; + } + +start_again: + mtr_start(&mtr); + trx_doublewrite_buf_is_being_created = TRUE; + + block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); + + doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; + + if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC) + == TRX_SYS_DOUBLEWRITE_MAGIC_N) { + /* The doublewrite buffer has already been created: + just read in some numbers */ + + trx_doublewrite_init(doublewrite); + + mtr_commit(&mtr); + trx_doublewrite_buf_is_being_created = FALSE; + } else { + fprintf(stderr, + "InnoDB: Doublewrite buffer not found:" + " creating new\n"); + + if (buf_pool_get_curr_size() + < ((2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE + + FSP_EXTENT_SIZE / 2 + 100) + * UNIV_PAGE_SIZE)) { + fprintf(stderr, + "InnoDB: Cannot create doublewrite buffer:" + " you must\n" + "InnoDB: increase your buffer pool size.\n" + "InnoDB: Cannot continue operation.\n"); + + exit(1); + } + + block2 = fseg_create(TRX_SYS_SPACE, TRX_SYS_PAGE_NO, + TRX_SYS_DOUBLEWRITE + + TRX_SYS_DOUBLEWRITE_FSEG, &mtr); + + /* fseg_create acquires a second latch on the page, + therefore we must declare it: */ + + buf_block_dbg_add_level(block2, SYNC_NO_ORDER_CHECK); + + if (block2 == NULL) { + fprintf(stderr, + "InnoDB: Cannot create doublewrite buffer:" + " you must\n" + "InnoDB: increase your tablespace size.\n" + "InnoDB: Cannot continue operation.\n"); + + /* We exit without committing the mtr to prevent + its modifications to the database getting to disk */ + + exit(1); + } + + fseg_header = buf_block_get_frame(block) + + TRX_SYS_DOUBLEWRITE + TRX_SYS_DOUBLEWRITE_FSEG; + prev_page_no = 0; + + for (i = 0; i < 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE + + FSP_EXTENT_SIZE / 2; i++) { + page_no = fseg_alloc_free_page(fseg_header, + prev_page_no + 1, + FSP_UP, &mtr); + if (page_no == FIL_NULL) { + fprintf(stderr, + "InnoDB: Cannot create doublewrite" + " buffer: you must\n" + "InnoDB: increase your" + " tablespace size.\n" + "InnoDB: Cannot continue operation.\n" + ); + + exit(1); + } + + /* We read the allocated pages to the buffer pool; + when they are written to disk in a flush, the space + id and page number fields are also written to the + pages. When we at database startup read pages + from the doublewrite buffer, we know that if the + space id and page number in them are the same as + the page position in the tablespace, then the page + has not been written to in doublewrite. */ + + new_block = buf_page_get(TRX_SYS_SPACE, 0, page_no, + RW_X_LATCH, &mtr); + buf_block_dbg_add_level(new_block, + SYNC_NO_ORDER_CHECK); + + if (i == FSP_EXTENT_SIZE / 2) { + ut_a(page_no == FSP_EXTENT_SIZE); + mlog_write_ulint(doublewrite + + TRX_SYS_DOUBLEWRITE_BLOCK1, + page_no, MLOG_4BYTES, &mtr); + mlog_write_ulint(doublewrite + + TRX_SYS_DOUBLEWRITE_REPEAT + + TRX_SYS_DOUBLEWRITE_BLOCK1, + page_no, MLOG_4BYTES, &mtr); + } else if (i == FSP_EXTENT_SIZE / 2 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + ut_a(page_no == 2 * FSP_EXTENT_SIZE); + mlog_write_ulint(doublewrite + + TRX_SYS_DOUBLEWRITE_BLOCK2, + page_no, MLOG_4BYTES, &mtr); + mlog_write_ulint(doublewrite + + TRX_SYS_DOUBLEWRITE_REPEAT + + TRX_SYS_DOUBLEWRITE_BLOCK2, + page_no, MLOG_4BYTES, &mtr); + } else if (i > FSP_EXTENT_SIZE / 2) { + ut_a(page_no == prev_page_no + 1); + } + + prev_page_no = page_no; + } + + mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC, + TRX_SYS_DOUBLEWRITE_MAGIC_N, + MLOG_4BYTES, &mtr); + mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC + + TRX_SYS_DOUBLEWRITE_REPEAT, + TRX_SYS_DOUBLEWRITE_MAGIC_N, + MLOG_4BYTES, &mtr); + + mlog_write_ulint(doublewrite + + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED, + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, + MLOG_4BYTES, &mtr); + mtr_commit(&mtr); + + /* Flush the modified pages to disk and make a checkpoint */ + log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); + + fprintf(stderr, "InnoDB: Doublewrite buffer created\n"); + + trx_sys_multiple_tablespace_format = TRUE; + + goto start_again; + } +} + +/****************************************************************//** +At a database startup initializes the doublewrite buffer memory structure if +we already have a doublewrite buffer created in the data files. If we are +upgrading to an InnoDB version which supports multiple tablespaces, then this +function performs the necessary update operations. If we are in a crash +recovery, this function uses a possible doublewrite buffer to restore +half-written pages in the data files. */ +UNIV_INTERN +void +trx_sys_doublewrite_init_or_restore_pages( +/*======================================*/ + ibool restore_corrupt_pages) /*!< in: TRUE=restore pages */ +{ + byte* buf; + byte* read_buf; + byte* unaligned_read_buf; + ulint block1; + ulint block2; + ulint source_page_no; + byte* page; + byte* doublewrite; + ulint space_id; + ulint page_no; + ulint i; + + /* We do the file i/o past the buffer pool */ + + unaligned_read_buf = ut_malloc(2 * UNIV_PAGE_SIZE); + read_buf = ut_align(unaligned_read_buf, UNIV_PAGE_SIZE); + + /* Read the trx sys header to check if we are using the doublewrite + buffer */ + + fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, 0, + UNIV_PAGE_SIZE, read_buf, NULL); + doublewrite = read_buf + TRX_SYS_DOUBLEWRITE; + + if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC) + == TRX_SYS_DOUBLEWRITE_MAGIC_N) { + /* The doublewrite buffer has been created */ + + trx_doublewrite_init(doublewrite); + + block1 = trx_doublewrite->block1; + block2 = trx_doublewrite->block2; + + buf = trx_doublewrite->write_buf; + } else { + goto leave_func; + } + + if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED) + != TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N) { + + /* We are upgrading from a version < 4.1.x to a version where + multiple tablespaces are supported. We must reset the space id + field in the pages in the doublewrite buffer because starting + from this version the space id is stored to + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID. */ + + trx_doublewrite_must_reset_space_ids = TRUE; + + fprintf(stderr, + "InnoDB: Resetting space id's in the" + " doublewrite buffer\n"); + } else { + trx_sys_multiple_tablespace_format = TRUE; + } + + /* Read the pages from the doublewrite buffer to memory */ + + fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, block1, 0, + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, + buf, NULL); + fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, block2, 0, + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, + buf + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, + NULL); + /* Check if any of these pages is half-written in data files, in the + intended position */ + + page = buf; + + for (i = 0; i < TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * 2; i++) { + + page_no = mach_read_from_4(page + FIL_PAGE_OFFSET); + + if (trx_doublewrite_must_reset_space_ids) { + + space_id = 0; + mach_write_to_4(page + + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0); + /* We do not need to calculate new checksums for the + pages because the field .._SPACE_ID does not affect + them. Write the page back to where we read it from. */ + + if (i < TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { + source_page_no = block1 + i; + } else { + source_page_no = block2 + + i - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE; + } + + fil_io(OS_FILE_WRITE, TRUE, 0, 0, source_page_no, 0, + UNIV_PAGE_SIZE, page, NULL); + /* printf("Resetting space id in page %lu\n", + source_page_no); */ + } else { + space_id = mach_read_from_4( + page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + } + + if (!restore_corrupt_pages) { + /* The database was shut down gracefully: no need to + restore pages */ + + } else if (!fil_tablespace_exists_in_mem(space_id)) { + /* Maybe we have dropped the single-table tablespace + and this page once belonged to it: do nothing */ + + } else if (!fil_check_adress_in_tablespace(space_id, + page_no)) { + fprintf(stderr, + "InnoDB: Warning: a page in the" + " doublewrite buffer is not within space\n" + "InnoDB: bounds; space id %lu" + " page number %lu, page %lu in" + " doublewrite buf.\n", + (ulong) space_id, (ulong) page_no, (ulong) i); + + } else if (space_id == TRX_SYS_SPACE + && ((page_no >= block1 + && page_no + < block1 + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) + || (page_no >= block2 + && page_no + < (block2 + + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE)))) { + + /* It is an unwritten doublewrite buffer page: + do nothing */ + } else { + ulint zip_size = fil_space_get_zip_size(space_id); + + /* Read in the actual page from the file */ + fil_io(OS_FILE_READ, TRUE, space_id, zip_size, + page_no, 0, + zip_size ? zip_size : UNIV_PAGE_SIZE, + read_buf, NULL); + + /* Check if the page is corrupt */ + + if (UNIV_UNLIKELY + (buf_page_is_corrupted(read_buf, zip_size))) { + + fprintf(stderr, + "InnoDB: Warning: database page" + " corruption or a failed\n" + "InnoDB: file read of" + " space %lu page %lu.\n" + "InnoDB: Trying to recover it from" + " the doublewrite buffer.\n", + (ulong) space_id, (ulong) page_no); + + if (buf_page_is_corrupted(page, zip_size)) { + fprintf(stderr, + "InnoDB: Dump of the page:\n"); + buf_page_print(read_buf, zip_size); + fprintf(stderr, + "InnoDB: Dump of" + " corresponding page" + " in doublewrite buffer:\n"); + buf_page_print(page, zip_size); + + fprintf(stderr, + "InnoDB: Also the page in the" + " doublewrite buffer" + " is corrupt.\n" + "InnoDB: Cannot continue" + " operation.\n" + "InnoDB: You can try to" + " recover the database" + " with the my.cnf\n" + "InnoDB: option:\n" + "InnoDB:" + " innodb_force_recovery=6\n"); + exit(1); + } + + /* Write the good page from the + doublewrite buffer to the intended + position */ + + fil_io(OS_FILE_WRITE, TRUE, space_id, + zip_size, page_no, 0, + zip_size ? zip_size : UNIV_PAGE_SIZE, + page, NULL); + fprintf(stderr, + "InnoDB: Recovered the page from" + " the doublewrite buffer.\n"); + } + } + + page += UNIV_PAGE_SIZE; + } + + fil_flush_file_spaces(FIL_TABLESPACE); + +leave_func: + ut_free(unaligned_read_buf); +} + +/****************************************************************//** +Checks that trx is in the trx list. +@return TRUE if is in */ +UNIV_INTERN +ibool +trx_in_trx_list( +/*============*/ + trx_t* in_trx) /*!< in: trx */ +{ + trx_t* trx; + + ut_ad(mutex_own(&(kernel_mutex))); + + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx != NULL) { + + if (trx == in_trx) { + + return(TRUE); + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + return(FALSE); +} + +/*****************************************************************//** +Writes the value of max_trx_id to the file based trx system header. */ +UNIV_INTERN +void +trx_sys_flush_max_trx_id(void) +/*==========================*/ +{ + trx_sysf_t* sys_header; + mtr_t mtr; + + ut_ad(mutex_own(&kernel_mutex)); + + mtr_start(&mtr); + + sys_header = trx_sysf_get(&mtr); + + mlog_write_dulint(sys_header + TRX_SYS_TRX_ID_STORE, + trx_sys->max_trx_id, &mtr); + mtr_commit(&mtr); +} + +/*****************************************************************//** +Updates the offset information about the end of the MySQL binlog entry +which corresponds to the transaction just being committed. In a MySQL +replication slave updates the latest master binlog position up to which +replication has proceeded. */ +UNIV_INTERN +void +trx_sys_update_mysql_binlog_offset( +/*===============================*/ + const char* file_name,/*!< in: MySQL log file name */ + ib_int64_t offset, /*!< in: position in that log file */ + ulint field, /*!< in: offset of the MySQL log info field in + the trx sys header */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_sysf_t* sys_header; + + if (ut_strlen(file_name) >= TRX_SYS_MYSQL_LOG_NAME_LEN) { + + /* We cannot fit the name to the 512 bytes we have reserved */ + + return; + } + + sys_header = trx_sysf_get(mtr); + + if (mach_read_from_4(sys_header + field + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) + != TRX_SYS_MYSQL_LOG_MAGIC_N) { + + mlog_write_ulint(sys_header + field + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD, + TRX_SYS_MYSQL_LOG_MAGIC_N, + MLOG_4BYTES, mtr); + } + + if (0 != strcmp((char*) (sys_header + field + TRX_SYS_MYSQL_LOG_NAME), + file_name)) { + + mlog_write_string(sys_header + field + + TRX_SYS_MYSQL_LOG_NAME, + (byte*) file_name, 1 + ut_strlen(file_name), + mtr); + } + + if (mach_read_from_4(sys_header + field + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH) > 0 + || (offset >> 32) > 0) { + + mlog_write_ulint(sys_header + field + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH, + (ulint)(offset >> 32), + MLOG_4BYTES, mtr); + } + + mlog_write_ulint(sys_header + field + + TRX_SYS_MYSQL_LOG_OFFSET_LOW, + (ulint)(offset & 0xFFFFFFFFUL), + MLOG_4BYTES, mtr); +} + +/*****************************************************************//** +Stores the MySQL binlog offset info in the trx system header if +the magic number shows it valid, and print the info to stderr */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset(void) +/*===================================*/ +{ + trx_sysf_t* sys_header; + mtr_t mtr; + ulint trx_sys_mysql_bin_log_pos_high; + ulint trx_sys_mysql_bin_log_pos_low; + + mtr_start(&mtr); + + sys_header = trx_sysf_get(&mtr); + + if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) + != TRX_SYS_MYSQL_LOG_MAGIC_N) { + + mtr_commit(&mtr); + + return; + } + + trx_sys_mysql_bin_log_pos_high = mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH); + trx_sys_mysql_bin_log_pos_low = mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_LOW); + + trx_sys_mysql_bin_log_pos + = (((ib_int64_t)trx_sys_mysql_bin_log_pos_high) << 32) + + (ib_int64_t)trx_sys_mysql_bin_log_pos_low; + + ut_memcpy(trx_sys_mysql_bin_log_name, + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_NAME, TRX_SYS_MYSQL_LOG_NAME_LEN); + + fprintf(stderr, + "InnoDB: Last MySQL binlog file position %lu %lu," + " file name %s\n", + trx_sys_mysql_bin_log_pos_high, trx_sys_mysql_bin_log_pos_low, + trx_sys_mysql_bin_log_name); + + mtr_commit(&mtr); +} + +/*****************************************************************//** +Prints to stderr the MySQL master log offset info in the trx system header if +the magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_master_log_pos(void) +/*====================================*/ +{ + trx_sysf_t* sys_header; + mtr_t mtr; + + mtr_start(&mtr); + + sys_header = trx_sysf_get(&mtr); + + if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) + != TRX_SYS_MYSQL_LOG_MAGIC_N) { + + mtr_commit(&mtr); + + return; + } + + fprintf(stderr, + "InnoDB: In a MySQL replication slave the last" + " master binlog file\n" + "InnoDB: position %lu %lu, file name %s\n", + (ulong) mach_read_from_4(sys_header + + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), + (ulong) mach_read_from_4(sys_header + + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_LOW), + sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_NAME); + /* Copy the master log position info to global variables we can + use in ha_innobase.cc to initialize glob_mi to right values */ + + ut_memcpy(trx_sys_mysql_master_log_name, + sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_NAME, + TRX_SYS_MYSQL_LOG_NAME_LEN); + + trx_sys_mysql_master_log_pos + = (((ib_int64_t) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH)) << 32) + + ((ib_int64_t) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_LOW)); + mtr_commit(&mtr); +} + +/****************************************************************//** +Looks for a free slot for a rollback segment in the trx system file copy. +@return slot index or ULINT_UNDEFINED if not found */ +UNIV_INTERN +ulint +trx_sysf_rseg_find_free( +/*====================*/ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_sysf_t* sys_header; + ulint page_no; + ulint i; + + ut_ad(mutex_own(&(kernel_mutex))); + + sys_header = trx_sysf_get(mtr); + + for (i = 0; i < TRX_SYS_N_RSEGS; i++) { + + page_no = trx_sysf_rseg_get_page_no(sys_header, i, mtr); + + if (page_no == FIL_NULL) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/*****************************************************************//** +Creates the file page for the transaction system. This function is called only +at the database creation, before trx_sys_init. */ +static +void +trx_sysf_create( +/*============*/ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_sysf_t* sys_header; + ulint slot_no; + buf_block_t* block; + page_t* page; + ulint page_no; + ulint i; + + ut_ad(mtr); + + /* Note that below we first reserve the file space x-latch, and + then enter the kernel: we must do it in this order to conform + to the latching order rules. */ + + mtr_x_lock(fil_space_get_latch(TRX_SYS_SPACE, NULL), mtr); + mutex_enter(&kernel_mutex); + + /* Create the trx sys file block in a new allocated file segment */ + block = fseg_create(TRX_SYS_SPACE, 0, TRX_SYS + TRX_SYS_FSEG_HEADER, + mtr); + buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); + + ut_a(buf_block_get_page_no(block) == TRX_SYS_PAGE_NO); + + page = buf_block_get_frame(block); + + mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_TYPE_TRX_SYS, + MLOG_2BYTES, mtr); + + /* Reset the doublewrite buffer magic number to zero so that we + know that the doublewrite buffer has not yet been created (this + suppresses a Valgrind warning) */ + + mlog_write_ulint(page + TRX_SYS_DOUBLEWRITE + + TRX_SYS_DOUBLEWRITE_MAGIC, 0, MLOG_4BYTES, mtr); + + sys_header = trx_sysf_get(mtr); + + /* Start counting transaction ids from number 1 up */ + mlog_write_dulint(sys_header + TRX_SYS_TRX_ID_STORE, + ut_dulint_create(0, 1), mtr); + + /* Reset the rollback segment slots */ + for (i = 0; i < TRX_SYS_N_RSEGS; i++) { + + trx_sysf_rseg_set_space(sys_header, i, ULINT_UNDEFINED, mtr); + trx_sysf_rseg_set_page_no(sys_header, i, FIL_NULL, mtr); + } + + /* The remaining area (up to the page trailer) is uninitialized. + Silence Valgrind warnings about it. */ + UNIV_MEM_VALID(sys_header + (TRX_SYS_RSEGS + + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_SPACE), + (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + - (TRX_SYS_RSEGS + + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE + + TRX_SYS_RSEG_SPACE)) + + page - sys_header); + + /* Create the first rollback segment in the SYSTEM tablespace */ + page_no = trx_rseg_header_create(TRX_SYS_SPACE, 0, ULINT_MAX, &slot_no, + mtr); + ut_a(slot_no == TRX_SYS_SYSTEM_RSEG_ID); + ut_a(page_no != FIL_NULL); + + mutex_exit(&kernel_mutex); +} + +/*****************************************************************//** +Creates and initializes the central memory structures for the transaction +system. This is called when the database is started. */ +UNIV_INTERN +void +trx_sys_init_at_db_start(void) +/*==========================*/ +{ + trx_sysf_t* sys_header; + ib_int64_t rows_to_undo = 0; + const char* unit = ""; + trx_t* trx; + mtr_t mtr; + + mtr_start(&mtr); + + ut_ad(trx_sys == NULL); + + mutex_enter(&kernel_mutex); + + trx_sys = mem_alloc(sizeof(trx_sys_t)); + + sys_header = trx_sysf_get(&mtr); + + trx_rseg_list_and_array_init(sys_header, &mtr); + + trx_sys->latest_rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + /* VERY important: after the database is started, max_trx_id value is + divisible by TRX_SYS_TRX_ID_WRITE_MARGIN, and the 'if' in + trx_sys_get_new_trx_id will evaluate to TRUE when the function + is first time called, and the value for trx id will be written + to the disk-based header! Thus trx id values will not overlap when + the database is repeatedly started! */ + + trx_sys->max_trx_id = ut_dulint_add( + ut_dulint_align_up(mtr_read_dulint( + sys_header + + TRX_SYS_TRX_ID_STORE, &mtr), + TRX_SYS_TRX_ID_WRITE_MARGIN), + 2 * TRX_SYS_TRX_ID_WRITE_MARGIN); + + UT_LIST_INIT(trx_sys->mysql_trx_list); + trx_dummy_sess = sess_open(); + trx_lists_init_at_db_start(); + + if (UT_LIST_GET_LEN(trx_sys->trx_list) > 0) { + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + for (;;) { + + if ( trx->conc_state != TRX_PREPARED) { + rows_to_undo += ut_conv_dulint_to_longlong( + trx->undo_no); + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + + if (!trx) { + break; + } + } + + if (rows_to_undo > 1000000000) { + unit = "M"; + rows_to_undo = rows_to_undo / 1000000; + } + + fprintf(stderr, + "InnoDB: %lu transaction(s) which must be" + " rolled back or cleaned up\n" + "InnoDB: in total %lu%s row operations to undo\n", + (ulong) UT_LIST_GET_LEN(trx_sys->trx_list), + (ulong) rows_to_undo, unit); + + fprintf(stderr, "InnoDB: Trx id counter is " TRX_ID_FMT "\n", + TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); + } + + UT_LIST_INIT(trx_sys->view_list); + + trx_purge_sys_create(); + + mutex_exit(&kernel_mutex); + + mtr_commit(&mtr); +} + +/*****************************************************************//** +Creates and initializes the transaction system at the database creation. */ +UNIV_INTERN +void +trx_sys_create(void) +/*================*/ +{ + mtr_t mtr; + + mtr_start(&mtr); + + trx_sysf_create(&mtr); + + mtr_commit(&mtr); + + trx_sys_init_at_db_start(); +} + +/*****************************************************************//** +Update the file format tag. +@return always TRUE */ +static +ibool +trx_sys_file_format_max_write( +/*==========================*/ + ulint format_id, /*!< in: file format id */ + const char** name) /*!< out: max file format name, can + be NULL */ +{ + mtr_t mtr; + byte* ptr; + buf_block_t* block; + ulint tag_value_low; + + mtr_start(&mtr); + + block = buf_page_get( + TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); + + file_format_max.id = format_id; + file_format_max.name = trx_sys_file_format_id_to_name(format_id); + + ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; + tag_value_low = format_id + TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (name) { + *name = file_format_max.name; + } + + mlog_write_dulint( + ptr, + ut_dulint_create(TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH, + tag_value_low), + &mtr); + + mtr_commit(&mtr); + + return(TRUE); +} + +/*****************************************************************//** +Read the file format tag. +@return the file format or ULINT_UNDEFINED if not set. */ +static +ulint +trx_sys_file_format_max_read(void) +/*==============================*/ +{ + mtr_t mtr; + const byte* ptr; + const buf_block_t* block; + ulint format_id; + dulint file_format_id; + + /* Since this is called during the startup phase it's safe to + read the value without a covering mutex. */ + mtr_start(&mtr); + + block = buf_page_get( + TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); + + ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; + file_format_id = mach_read_from_8(ptr); + + mtr_commit(&mtr); + + format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH + || format_id >= FILE_FORMAT_NAME_N) { + + /* Either it has never been tagged, or garbage in it. */ + return(ULINT_UNDEFINED); + } + + return(format_id); +} + +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id) /*!< in: id of the file format */ +{ + ut_a(id < FILE_FORMAT_NAME_N); + + return(file_format_name_map[id]); +} + +/*****************************************************************//** +Check for the max file format tag stored on disk. Note: If max_format_id +is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. +@return DB_SUCCESS or error code */ +UNIV_INTERN +ulint +trx_sys_file_format_max_check( +/*==========================*/ + ulint max_format_id) /*!< in: max format id to check */ +{ + ulint format_id; + + /* Check the file format in the tablespace. Do not try to + recover if the file format is not supported by the engine + unless forced by the user. */ + format_id = trx_sys_file_format_max_read(); + if (format_id == ULINT_UNDEFINED) { + /* Format ID was not set. Set it to minimum possible + value. */ + format_id = DICT_TF_FORMAT_51; + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: highest supported file format is %s.\n", + trx_sys_file_format_id_to_name(DICT_TF_FORMAT_MAX)); + + if (format_id > DICT_TF_FORMAT_MAX) { + + ut_a(format_id < FILE_FORMAT_NAME_N); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: %s: the system tablespace is in a file " + "format that this version doesn't support - %s\n", + ((max_format_id <= DICT_TF_FORMAT_MAX) + ? "Error" : "Warning"), + trx_sys_file_format_id_to_name(format_id)); + + if (max_format_id <= DICT_TF_FORMAT_MAX) { + return(DB_ERROR); + } + } + + format_id = (format_id > max_format_id) ? format_id : max_format_id; + + /* We don't need a mutex here, as this function should only + be called once at start up. */ + file_format_max.id = format_id; + file_format_max.name = trx_sys_file_format_id_to_name(format_id); + + return(DB_SUCCESS); +} + +/*****************************************************************//** +Set the file format id unconditionally except if it's already the +same value. +@return TRUE if value updated */ +UNIV_INTERN +ibool +trx_sys_file_format_max_set( +/*========================*/ + ulint format_id, /*!< in: file format id */ + const char** name) /*!< out: max file format name or + NULL if not needed. */ +{ + ibool ret = FALSE; + + ut_a(format_id <= DICT_TF_FORMAT_MAX); + + mutex_enter(&file_format_max.mutex); + + /* Only update if not already same value. */ + if (format_id != file_format_max.id) { + + ret = trx_sys_file_format_max_write(format_id, name); + } + + mutex_exit(&file_format_max.mutex); + + return(ret); +} + +/********************************************************************//** +Tags the system table space with minimum format id if it has not been +tagged yet. +WARNING: This function is only called during the startup and AFTER the +redo log application during recovery has finished. */ +UNIV_INTERN +void +trx_sys_file_format_tag_init(void) +/*==============================*/ +{ + ulint format_id; + + format_id = trx_sys_file_format_max_read(); + + /* If format_id is not set then set it to the minimum. */ + if (format_id == ULINT_UNDEFINED) { + trx_sys_file_format_max_set(DICT_TF_FORMAT_51, NULL); + } +} + +/********************************************************************//** +Update the file format tag in the system tablespace only if the given +format id is greater than the known max id. +@return TRUE if format_id was bigger than the known max id */ +UNIV_INTERN +ibool +trx_sys_file_format_max_upgrade( +/*============================*/ + const char** name, /*!< out: max file format name */ + ulint format_id) /*!< in: file format identifier */ +{ + ibool ret = FALSE; + + ut_a(name); + ut_a(file_format_max.name != NULL); + ut_a(format_id <= DICT_TF_FORMAT_MAX); + + mutex_enter(&file_format_max.mutex); + + if (format_id > file_format_max.id) { + + ret = trx_sys_file_format_max_write(format_id, name); + } + + mutex_exit(&file_format_max.mutex); + + return(ret); +} + +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the max format name */ +UNIV_INTERN +const char* +trx_sys_file_format_max_get(void) +/*=============================*/ +{ + return(file_format_max.name); +} + +/*****************************************************************//** +Initializes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_init(void) +/*==========================*/ +{ + mutex_create(&file_format_max.mutex, SYNC_FILE_FORMAT_TAG); + + /* We don't need a mutex here, as this function should only + be called once at start up. */ + file_format_max.id = DICT_TF_FORMAT_51; + + file_format_max.name = trx_sys_file_format_id_to_name( + file_format_max.id); +} + +/*****************************************************************//** +Closes the tablespace tag system. */ +UNIV_INTERN +void +trx_sys_file_format_close(void) +/*===========================*/ +{ + /* Does nothing at the moment */ +} +#else /* !UNIV_HOTBACKUP */ +/*****************************************************************//** +Prints to stderr the MySQL binlog info in the system header if the +magic number shows it valid. */ +UNIV_INTERN +void +trx_sys_print_mysql_binlog_offset_from_page( +/*========================================*/ + const byte* page) /*!< in: buffer containing the trx + system header page, i.e., page number + TRX_SYS_PAGE_NO in the tablespace */ +{ + const trx_sysf_t* sys_header; + + sys_header = page + TRX_SYS; + + if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) + == TRX_SYS_MYSQL_LOG_MAGIC_N) { + + fprintf(stderr, + "ibbackup: Last MySQL binlog file position %lu %lu," + " file name %s\n", + (ulong) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), + (ulong) mach_read_from_4( + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_OFFSET_LOW), + sys_header + TRX_SYS_MYSQL_LOG_INFO + + TRX_SYS_MYSQL_LOG_NAME); + } +} + + +/* THESE ARE COPIED FROM NON-HOTBACKUP PART OF THE INNODB SOURCE TREE + (This code duplicaton should be fixed at some point!) +*/ + +#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ +/* The offset of the file format tag on the trx system header page */ +#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) +/* We use these random constants to reduce the probability of reading +garbage (from previous versions) that maps to an actual format id. We +use these as bit masks at the time of reading and writing from/to disk. */ +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL +#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL + +/* END OF COPIED DEFINITIONS */ + + +/*****************************************************************//** +Reads the file format id from the first system table space file. +Even if the call succeeds and returns TRUE, the returned format id +may be ULINT_UNDEFINED signalling that the format id was not present +in the data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_file_format_id( +/*========================*/ + const char *pathname, /*!< in: pathname of the first system + table space file */ + ulint *format_id) /*!< out: file format of the system table + space */ +{ + os_file_t file; + ibool success; + byte buf[UNIV_PAGE_SIZE * 2]; + page_t* page = ut_align(buf, UNIV_PAGE_SIZE); + const byte* ptr; + dulint file_format_id; + + *format_id = ULINT_UNDEFINED; + + file = os_file_create_simple_no_error_handling( + pathname, + OS_FILE_OPEN, + OS_FILE_READ_ONLY, + &success + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read system tablespace file format,\n" +" ibbackup: but could not open the tablespace file %s!\n", + pathname + ); + return(FALSE); + } + + /* Read the page on which file format is stored */ + + success = os_file_read_no_error_handling( + file, page, TRX_SYS_PAGE_NO * UNIV_PAGE_SIZE, 0, UNIV_PAGE_SIZE + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read system table space file format,\n" +" ibbackup: but failed to read the tablespace file %s!\n", + pathname + ); + os_file_close(file); + return(FALSE); + } + os_file_close(file); + + /* get the file format from the page */ + ptr = page + TRX_SYS_FILE_FORMAT_TAG; + file_format_id = mach_read_from_8(ptr); + + *format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; + + if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH + || *format_id >= FILE_FORMAT_NAME_N) { + + /* Either it has never been tagged, or garbage in it. */ + *format_id = ULINT_UNDEFINED; + return(TRUE); + } + + return(TRUE); +} + + +/*****************************************************************//** +Reads the file format id from the given per-table data file. +@return TRUE if call succeeds */ +UNIV_INTERN +ibool +trx_sys_read_pertable_file_format_id( +/*=================================*/ + const char *pathname, /*!< in: pathname of a per-table + datafile */ + ulint *format_id) /*!< out: file format of the per-table + data file */ +{ + os_file_t file; + ibool success; + byte buf[UNIV_PAGE_SIZE * 2]; + page_t* page = ut_align(buf, UNIV_PAGE_SIZE); + const byte* ptr; + ib_uint32_t flags; + + *format_id = ULINT_UNDEFINED; + + file = os_file_create_simple_no_error_handling( + pathname, + OS_FILE_OPEN, + OS_FILE_READ_ONLY, + &success + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to read per-table tablespace format,\n" +" ibbackup: but could not open the tablespace file %s!\n", + pathname + ); + return(FALSE); + } + + /* Read the first page of the per-table datafile */ + + success = os_file_read_no_error_handling( + file, page, 0, 0, UNIV_PAGE_SIZE + ); + if (!success) { + /* The following call prints an error message */ + os_file_get_last_error(TRUE); + + ut_print_timestamp(stderr); + + fprintf(stderr, +" ibbackup: Error: trying to per-table data file format,\n" +" ibbackup: but failed to read the tablespace file %s!\n", + pathname + ); + os_file_close(file); + return(FALSE); + } + os_file_close(file); + + /* get the file format from the page */ + ptr = page + 54; + flags = mach_read_from_4(ptr); + if (flags == 0) { + /* file format is Antelope */ + *format_id = 0; + return (TRUE); + } else if (flags & 1) { + /* tablespace flags are ok */ + *format_id = (flags / 32) % 128; + return (TRUE); + } else { + /* bad tablespace flags */ + return(FALSE); + } +} + + +/*****************************************************************//** +Get the name representation of the file format from its id. +@return pointer to the name */ +UNIV_INTERN +const char* +trx_sys_file_format_id_to_name( +/*===========================*/ + const ulint id) /*!< in: id of the file format */ +{ + if (!(id < FILE_FORMAT_NAME_N)) { + /* unknown id */ + return ("Unknown"); + } + + return(file_format_name_map[id]); +} + +#endif /* !UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP +/********************************************************************* +Shutdown/Close the transaction system. */ +UNIV_INTERN +void +trx_sys_close(void) +/*===============*/ +{ + trx_rseg_t* rseg; + read_view_t* view; + + ut_ad(trx_sys != NULL); + + /* Check that all read views are closed except read view owned + by a purge. */ + + if (UT_LIST_GET_LEN(trx_sys->view_list) > 1) { + fprintf(stderr, + "InnoDB: Error: all read views were not closed" + " before shutdown:\n" + "InnoDB: %lu read views open \n", + UT_LIST_GET_LEN(trx_sys->view_list) - 1); + } + + sess_close(trx_dummy_sess); + trx_dummy_sess = NULL; + + trx_purge_sys_close(); + + mutex_enter(&kernel_mutex); + + /* Free the double write data structures. */ + ut_a(trx_doublewrite != NULL); + ut_free(trx_doublewrite->write_buf_unaligned); + trx_doublewrite->write_buf_unaligned = NULL; + + mem_free(trx_doublewrite->buf_block_arr); + trx_doublewrite->buf_block_arr = NULL; + + mutex_free(&trx_doublewrite->mutex); + mem_free(trx_doublewrite); + trx_doublewrite = NULL; + + /* There can't be any active transactions. */ + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + while (rseg != NULL) { + trx_rseg_t* prev_rseg = rseg; + + rseg = UT_LIST_GET_NEXT(rseg_list, prev_rseg); + UT_LIST_REMOVE(rseg_list, trx_sys->rseg_list, prev_rseg); + + trx_rseg_mem_free(prev_rseg); + } + + view = UT_LIST_GET_FIRST(trx_sys->view_list); + + while (view != NULL) { + read_view_t* prev_view = view; + + view = UT_LIST_GET_NEXT(view_list, prev_view); + + /* Views are allocated from the trx_sys->global_read_view_heap. + So, we simply remove the element here. */ + UT_LIST_REMOVE(view_list, trx_sys->view_list, prev_view); + } + + ut_a(UT_LIST_GET_LEN(trx_sys->trx_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->rseg_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->view_list) == 0); + ut_a(UT_LIST_GET_LEN(trx_sys->mysql_trx_list) == 0); + + mem_free(trx_sys); + + trx_sys = NULL; + mutex_exit(&kernel_mutex); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/trx/trx0trx.c b/perfschema/trx/trx0trx.c new file mode 100644 index 00000000000..e8c98e22918 --- /dev/null +++ b/perfschema/trx/trx0trx.c @@ -0,0 +1,2062 @@ +/***************************************************************************** + +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0trx.c +The transaction + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0trx.h" + +#ifdef UNIV_NONINL +#include "trx0trx.ic" +#endif + +#include "trx0undo.h" +#include "trx0rseg.h" +#include "log0log.h" +#include "que0que.h" +#include "lock0lock.h" +#include "trx0roll.h" +#include "usr0sess.h" +#include "read0read.h" +#include "srv0srv.h" +#include "thr0loc.h" +#include "btr0sea.h" +#include "os0proc.h" +#include "trx0xa.h" +#include "ha_prototypes.h" + +/** Dummy session used currently in MySQL interface */ +UNIV_INTERN sess_t* trx_dummy_sess = NULL; + +/** Number of transactions currently allocated for MySQL: protected by +the kernel mutex */ +UNIV_INTERN ulint trx_n_mysql_transactions = 0; + +/*************************************************************//** +Set detailed error message for the transaction. */ +UNIV_INTERN +void +trx_set_detailed_error( +/*===================*/ + trx_t* trx, /*!< in: transaction struct */ + const char* msg) /*!< in: detailed error message */ +{ + ut_strlcpy(trx->detailed_error, msg, sizeof(trx->detailed_error)); +} + +/*************************************************************//** +Set detailed error message for the transaction from a file. Note that the +file is rewinded before reading from it. */ +UNIV_INTERN +void +trx_set_detailed_error_from_file( +/*=============================*/ + trx_t* trx, /*!< in: transaction struct */ + FILE* file) /*!< in: file to read message from */ +{ + os_file_read_string(file, trx->detailed_error, + sizeof(trx->detailed_error)); +} + +/****************************************************************//** +Creates and initializes a transaction object. +@return own: the transaction */ +UNIV_INTERN +trx_t* +trx_create( +/*=======*/ + sess_t* sess) /*!< in: session */ +{ + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(sess); + + trx = mem_alloc(sizeof(trx_t)); + + trx->magic_n = TRX_MAGIC_N; + + trx->op_info = ""; + + trx->is_purge = 0; + trx->is_recovered = 0; + trx->conc_state = TRX_NOT_STARTED; + trx->start_time = time(NULL); + + trx->isolation_level = TRX_ISO_REPEATABLE_READ; + + trx->id = ut_dulint_zero; + trx->no = ut_dulint_max; + + trx->support_xa = TRUE; + + trx->check_foreigns = TRUE; + trx->check_unique_secondary = TRUE; + + trx->flush_log_later = FALSE; + trx->must_flush_log_later = FALSE; + + trx->dict_operation = TRX_DICT_OP_NONE; + trx->table_id = ut_dulint_zero; + + trx->mysql_thd = NULL; + trx->mysql_query_str = NULL; + trx->active_trans = 0; + trx->duplicates = 0; + + trx->n_mysql_tables_in_use = 0; + trx->mysql_n_tables_locked = 0; + + trx->mysql_log_file_name = NULL; + trx->mysql_log_offset = 0; + + mutex_create(&trx->undo_mutex, SYNC_TRX_UNDO); + + trx->rseg = NULL; + + trx->undo_no = ut_dulint_zero; + trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; + trx->insert_undo = NULL; + trx->update_undo = NULL; + trx->undo_no_arr = NULL; + + trx->error_state = DB_SUCCESS; + trx->error_key_num = 0; + trx->detailed_error[0] = '\0'; + + trx->sess = sess; + trx->que_state = TRX_QUE_RUNNING; + trx->n_active_thrs = 0; + + trx->handling_signals = FALSE; + + UT_LIST_INIT(trx->signals); + UT_LIST_INIT(trx->reply_signals); + + trx->graph = NULL; + + trx->wait_lock = NULL; + trx->was_chosen_as_deadlock_victim = FALSE; + UT_LIST_INIT(trx->wait_thrs); + + trx->lock_heap = mem_heap_create_in_buffer(256); + UT_LIST_INIT(trx->trx_locks); + + UT_LIST_INIT(trx->trx_savepoints); + + trx->dict_operation_lock_mode = 0; + trx->has_search_latch = FALSE; + trx->search_latch_timeout = BTR_SEA_TIMEOUT; + + trx->declared_to_be_inside_innodb = FALSE; + trx->n_tickets_to_enter_innodb = 0; + + trx->global_read_view_heap = mem_heap_create(256); + trx->global_read_view = NULL; + trx->read_view = NULL; + + /* Set X/Open XA transaction identification to NULL */ + memset(&trx->xid, 0, sizeof(trx->xid)); + trx->xid.formatID = -1; + + trx->n_autoinc_rows = 0; + + /* Remember to free the vector explicitly. */ + trx->autoinc_locks = ib_vector_create( + mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); + + return(trx); +} + +/********************************************************************//** +Creates a transaction object for MySQL. +@return own: transaction object */ +UNIV_INTERN +trx_t* +trx_allocate_for_mysql(void) +/*========================*/ +{ + trx_t* trx; + + mutex_enter(&kernel_mutex); + + trx = trx_create(trx_dummy_sess); + + trx_n_mysql_transactions++; + + UT_LIST_ADD_FIRST(mysql_trx_list, trx_sys->mysql_trx_list, trx); + + mutex_exit(&kernel_mutex); + + trx->mysql_thread_id = os_thread_get_curr_id(); + + trx->mysql_process_no = os_proc_get_number(); + + return(trx); +} + +/********************************************************************//** +Creates a transaction object for background operations by the master thread. +@return own: transaction object */ +UNIV_INTERN +trx_t* +trx_allocate_for_background(void) +/*=============================*/ +{ + trx_t* trx; + + mutex_enter(&kernel_mutex); + + trx = trx_create(trx_dummy_sess); + + mutex_exit(&kernel_mutex); + + return(trx); +} + +/********************************************************************//** +Releases the search latch if trx has reserved it. */ +UNIV_INTERN +void +trx_search_latch_release_if_reserved( +/*=================================*/ + trx_t* trx) /*!< in: transaction */ +{ + if (trx->has_search_latch) { + rw_lock_s_unlock(&btr_search_latch); + + trx->has_search_latch = FALSE; + } +} + +/********************************************************************//** +Frees a transaction object. */ +UNIV_INTERN +void +trx_free( +/*=====*/ + trx_t* trx) /*!< in, own: trx object */ +{ + ut_ad(mutex_own(&kernel_mutex)); + + if (trx->declared_to_be_inside_innodb) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: Freeing a trx which is declared" + " to be processing\n" + "InnoDB: inside InnoDB.\n", stderr); + trx_print(stderr, trx, 600); + putc('\n', stderr); + + /* This is an error but not a fatal error. We must keep + the counters like srv_conc_n_threads accurate. */ + srv_conc_force_exit_innodb(trx); + } + + if (trx->n_mysql_tables_in_use != 0 + || trx->mysql_n_tables_locked != 0) { + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: MySQL is freeing a thd\n" + "InnoDB: though trx->n_mysql_tables_in_use is %lu\n" + "InnoDB: and trx->mysql_n_tables_locked is %lu.\n", + (ulong)trx->n_mysql_tables_in_use, + (ulong)trx->mysql_n_tables_locked); + + trx_print(stderr, trx, 600); + + ut_print_buf(stderr, trx, sizeof(trx_t)); + putc('\n', stderr); + } + + ut_a(trx->magic_n == TRX_MAGIC_N); + + trx->magic_n = 11112222; + + ut_a(trx->conc_state == TRX_NOT_STARTED); + + mutex_free(&(trx->undo_mutex)); + + ut_a(trx->insert_undo == NULL); + ut_a(trx->update_undo == NULL); + + if (trx->undo_no_arr) { + trx_undo_arr_free(trx->undo_no_arr); + } + + ut_a(UT_LIST_GET_LEN(trx->signals) == 0); + ut_a(UT_LIST_GET_LEN(trx->reply_signals) == 0); + + ut_a(trx->wait_lock == NULL); + ut_a(UT_LIST_GET_LEN(trx->wait_thrs) == 0); + + ut_a(!trx->has_search_latch); + + ut_a(trx->dict_operation_lock_mode == 0); + + if (trx->lock_heap) { + mem_heap_free(trx->lock_heap); + } + + ut_a(UT_LIST_GET_LEN(trx->trx_locks) == 0); + + if (trx->global_read_view_heap) { + mem_heap_free(trx->global_read_view_heap); + } + + trx->global_read_view = NULL; + + ut_a(trx->read_view == NULL); + + ut_a(ib_vector_is_empty(trx->autoinc_locks)); + /* We allocated a dedicated heap for the vector. */ + ib_vector_free(trx->autoinc_locks); + + mem_free(trx); +} + +/********************************************************************//** +Frees a transaction object for MySQL. */ +UNIV_INTERN +void +trx_free_for_mysql( +/*===============*/ + trx_t* trx) /*!< in, own: trx object */ +{ + mutex_enter(&kernel_mutex); + + UT_LIST_REMOVE(mysql_trx_list, trx_sys->mysql_trx_list, trx); + + trx_free(trx); + + ut_a(trx_n_mysql_transactions > 0); + + trx_n_mysql_transactions--; + + mutex_exit(&kernel_mutex); +} + +/********************************************************************//** +Frees a transaction object of a background operation of the master thread. */ +UNIV_INTERN +void +trx_free_for_background( +/*====================*/ + trx_t* trx) /*!< in, own: trx object */ +{ + mutex_enter(&kernel_mutex); + + trx_free(trx); + + mutex_exit(&kernel_mutex); +} + +/****************************************************************//** +Inserts the trx handle in the trx system trx list in the right position. +The list is sorted on the trx id so that the biggest id is at the list +start. This function is used at the database startup to insert incomplete +transactions to the list. */ +static +void +trx_list_insert_ordered( +/*====================*/ + trx_t* trx) /*!< in: trx handle */ +{ + trx_t* trx2; + + ut_ad(mutex_own(&kernel_mutex)); + + trx2 = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx2 != NULL) { + if (ut_dulint_cmp(trx->id, trx2->id) >= 0) { + + ut_ad(ut_dulint_cmp(trx->id, trx2->id) == 1); + break; + } + trx2 = UT_LIST_GET_NEXT(trx_list, trx2); + } + + if (trx2 != NULL) { + trx2 = UT_LIST_GET_PREV(trx_list, trx2); + + if (trx2 == NULL) { + UT_LIST_ADD_FIRST(trx_list, trx_sys->trx_list, trx); + } else { + UT_LIST_INSERT_AFTER(trx_list, trx_sys->trx_list, + trx2, trx); + } + } else { + UT_LIST_ADD_LAST(trx_list, trx_sys->trx_list, trx); + } +} + +/****************************************************************//** +Creates trx objects for transactions and initializes the trx list of +trx_sys at database start. Rollback segment and undo log lists must +already exist when this function is called, because the lists of +transactions to be rolled back or cleaned up are built based on the +undo log lists. */ +UNIV_INTERN +void +trx_lists_init_at_db_start(void) +/*============================*/ +{ + trx_rseg_t* rseg; + trx_undo_t* undo; + trx_t* trx; + + ut_ad(mutex_own(&kernel_mutex)); + UT_LIST_INIT(trx_sys->trx_list); + + /* Look from the rollback segments if there exist undo logs for + transactions */ + + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + + while (rseg != NULL) { + undo = UT_LIST_GET_FIRST(rseg->insert_undo_list); + + while (undo != NULL) { + + trx = trx_create(trx_dummy_sess); + + trx->is_recovered = TRUE; + trx->id = undo->trx_id; + trx->xid = undo->xid; + trx->insert_undo = undo; + trx->rseg = rseg; + + if (undo->state != TRX_UNDO_ACTIVE) { + + /* Prepared transactions are left in + the prepared state waiting for a + commit or abort decision from MySQL */ + + if (undo->state == TRX_UNDO_PREPARED) { + + fprintf(stderr, + "InnoDB: Transaction " + TRX_ID_FMT + " was in the" + " XA prepared state.\n", + TRX_ID_PREP_PRINTF(trx->id)); + + if (srv_force_recovery == 0) { + + trx->conc_state = TRX_PREPARED; + } else { + fprintf(stderr, + "InnoDB: Since" + " innodb_force_recovery" + " > 0, we will" + " rollback it" + " anyway.\n"); + + trx->conc_state = TRX_ACTIVE; + } + } else { + trx->conc_state + = TRX_COMMITTED_IN_MEMORY; + } + + /* We give a dummy value for the trx no; + this should have no relevance since purge + is not interested in committed transaction + numbers, unless they are in the history + list, in which case it looks the number + from the disk based undo log structure */ + + trx->no = trx->id; + } else { + trx->conc_state = TRX_ACTIVE; + + /* A running transaction always has the number + field inited to ut_dulint_max */ + + trx->no = ut_dulint_max; + } + + if (undo->dict_operation) { + trx_set_dict_operation( + trx, TRX_DICT_OP_TABLE); + trx->table_id = undo->table_id; + } + + if (!undo->empty) { + trx->undo_no = ut_dulint_add(undo->top_undo_no, + 1); + } + + trx_list_insert_ordered(trx); + + undo = UT_LIST_GET_NEXT(undo_list, undo); + } + + undo = UT_LIST_GET_FIRST(rseg->update_undo_list); + + while (undo != NULL) { + trx = trx_get_on_id(undo->trx_id); + + if (NULL == trx) { + trx = trx_create(trx_dummy_sess); + + trx->is_recovered = TRUE; + trx->id = undo->trx_id; + trx->xid = undo->xid; + + if (undo->state != TRX_UNDO_ACTIVE) { + + /* Prepared transactions are left in + the prepared state waiting for a + commit or abort decision from MySQL */ + + if (undo->state == TRX_UNDO_PREPARED) { + fprintf(stderr, + "InnoDB: Transaction " + TRX_ID_FMT " was in the" + " XA prepared state.\n", + TRX_ID_PREP_PRINTF( + trx->id)); + + if (srv_force_recovery == 0) { + + trx->conc_state + = TRX_PREPARED; + } else { + fprintf(stderr, + "InnoDB: Since" + " innodb_force_recovery" + " > 0, we will" + " rollback it" + " anyway.\n"); + + trx->conc_state + = TRX_ACTIVE; + } + } else { + trx->conc_state + = TRX_COMMITTED_IN_MEMORY; + } + + /* We give a dummy value for the trx + number */ + + trx->no = trx->id; + } else { + trx->conc_state = TRX_ACTIVE; + + /* A running transaction always has + the number field inited to + ut_dulint_max */ + + trx->no = ut_dulint_max; + } + + trx->rseg = rseg; + trx_list_insert_ordered(trx); + + if (undo->dict_operation) { + trx_set_dict_operation( + trx, TRX_DICT_OP_TABLE); + trx->table_id = undo->table_id; + } + } + + trx->update_undo = undo; + + if ((!undo->empty) + && (ut_dulint_cmp(undo->top_undo_no, + trx->undo_no) >= 0)) { + + trx->undo_no = ut_dulint_add(undo->top_undo_no, + 1); + } + + undo = UT_LIST_GET_NEXT(undo_list, undo); + } + + rseg = UT_LIST_GET_NEXT(rseg_list, rseg); + } +} + +/******************************************************************//** +Assigns a rollback segment to a transaction in a round-robin fashion. +Skips the SYSTEM rollback segment if another is available. +@return assigned rollback segment id */ +UNIV_INLINE +ulint +trx_assign_rseg(void) +/*=================*/ +{ + trx_rseg_t* rseg = trx_sys->latest_rseg; + + ut_ad(mutex_own(&kernel_mutex)); +loop: + /* Get next rseg in a round-robin fashion */ + + rseg = UT_LIST_GET_NEXT(rseg_list, rseg); + + if (rseg == NULL) { + rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); + } + + /* If it is the SYSTEM rollback segment, and there exist others, skip + it */ + + if ((rseg->id == TRX_SYS_SYSTEM_RSEG_ID) + && (UT_LIST_GET_LEN(trx_sys->rseg_list) > 1)) { + goto loop; + } + + trx_sys->latest_rseg = rseg; + + return(rseg->id); +} + +/****************************************************************//** +Starts a new transaction. +@return TRUE */ +UNIV_INTERN +ibool +trx_start_low( +/*==========*/ + trx_t* trx, /*!< in: transaction */ + ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED + is passed, the system chooses the rollback segment + automatically in a round-robin fashion */ +{ + trx_rseg_t* rseg; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(trx->rseg == NULL); + + if (trx->is_purge) { + trx->id = ut_dulint_zero; + trx->conc_state = TRX_ACTIVE; + trx->start_time = time(NULL); + + return(TRUE); + } + + ut_ad(trx->conc_state != TRX_ACTIVE); + + if (rseg_id == ULINT_UNDEFINED) { + + rseg_id = trx_assign_rseg(); + } + + rseg = trx_sys_get_nth_rseg(trx_sys, rseg_id); + + trx->id = trx_sys_get_new_trx_id(); + + /* The initial value for trx->no: ut_dulint_max is used in + read_view_open_now: */ + + trx->no = ut_dulint_max; + + trx->rseg = rseg; + + trx->conc_state = TRX_ACTIVE; + trx->start_time = time(NULL); + + UT_LIST_ADD_FIRST(trx_list, trx_sys->trx_list, trx); + + return(TRUE); +} + +/****************************************************************//** +Starts a new transaction. +@return TRUE */ +UNIV_INTERN +ibool +trx_start( +/*======*/ + trx_t* trx, /*!< in: transaction */ + ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED + is passed, the system chooses the rollback segment + automatically in a round-robin fashion */ +{ + ibool ret; + + /* Update the info whether we should skip XA steps that eat CPU time + For the duration of the transaction trx->support_xa is not reread + from thd so any changes in the value take effect in the next + transaction. This is to avoid a scenario where some undo + generated by a transaction, has XA stuff, and other undo, + generated by the same transaction, doesn't. */ + trx->support_xa = thd_supports_xa(trx->mysql_thd); + + mutex_enter(&kernel_mutex); + + ret = trx_start_low(trx, rseg_id); + + mutex_exit(&kernel_mutex); + + return(ret); +} + +/****************************************************************//** +Commits a transaction. */ +UNIV_INTERN +void +trx_commit_off_kernel( +/*==================*/ + trx_t* trx) /*!< in: transaction */ +{ + page_t* update_hdr_page; + ib_uint64_t lsn = 0; + trx_rseg_t* rseg; + trx_undo_t* undo; + mtr_t mtr; + + ut_ad(mutex_own(&kernel_mutex)); + + trx->must_flush_log_later = FALSE; + + rseg = trx->rseg; + + if (trx->insert_undo != NULL || trx->update_undo != NULL) { + + mutex_exit(&kernel_mutex); + + mtr_start(&mtr); + + /* Change the undo log segment states from TRX_UNDO_ACTIVE + to some other state: these modifications to the file data + structure define the transaction as committed in the file + based world, at the serialization point of the log sequence + number lsn obtained below. */ + + mutex_enter(&(rseg->mutex)); + + if (trx->insert_undo != NULL) { + trx_undo_set_state_at_finish( + rseg, trx, trx->insert_undo, &mtr); + } + + undo = trx->update_undo; + + if (undo) { + mutex_enter(&kernel_mutex); + trx->no = trx_sys_get_new_trx_no(); + + mutex_exit(&kernel_mutex); + + /* It is not necessary to obtain trx->undo_mutex here + because only a single OS thread is allowed to do the + transaction commit for this transaction. */ + + update_hdr_page = trx_undo_set_state_at_finish( + rseg, trx, undo, &mtr); + + /* We have to do the cleanup for the update log while + holding the rseg mutex because update log headers + have to be put to the history list in the order of + the trx number. */ + + trx_undo_update_cleanup(trx, update_hdr_page, &mtr); + } + + mutex_exit(&(rseg->mutex)); + + /* Update the latest MySQL binlog name and offset info + in trx sys header if MySQL binlogging is on or the database + server is a MySQL replication slave */ + + if (trx->mysql_log_file_name + && trx->mysql_log_file_name[0] != '\0') { + trx_sys_update_mysql_binlog_offset( + trx->mysql_log_file_name, + trx->mysql_log_offset, + TRX_SYS_MYSQL_LOG_INFO, &mtr); + trx->mysql_log_file_name = NULL; + } + + /* The following call commits the mini-transaction, making the + whole transaction committed in the file-based world, at this + log sequence number. The transaction becomes 'durable' when + we write the log to disk, but in the logical sense the commit + in the file-based data structures (undo logs etc.) happens + here. + + NOTE that transaction numbers, which are assigned only to + transactions with an update undo log, do not necessarily come + in exactly the same order as commit lsn's, if the transactions + have different rollback segments. To get exactly the same + order we should hold the kernel mutex up to this point, + adding to the contention of the kernel mutex. However, if + a transaction T2 is able to see modifications made by + a transaction T1, T2 will always get a bigger transaction + number and a bigger commit lsn than T1. */ + + /*--------------*/ + mtr_commit(&mtr); + /*--------------*/ + lsn = mtr.end_lsn; + + mutex_enter(&kernel_mutex); + } + + ut_ad(trx->conc_state == TRX_ACTIVE + || trx->conc_state == TRX_PREPARED); + ut_ad(mutex_own(&kernel_mutex)); + + /* The following assignment makes the transaction committed in memory + and makes its changes to data visible to other transactions. + NOTE that there is a small discrepancy from the strict formal + visibility rules here: a human user of the database can see + modifications made by another transaction T even before the necessary + log segment has been flushed to the disk. If the database happens to + crash before the flush, the user has seen modifications from T which + will never be a committed transaction. However, any transaction T2 + which sees the modifications of the committing transaction T, and + which also itself makes modifications to the database, will get an lsn + larger than the committing transaction T. In the case where the log + flush fails, and T never gets committed, also T2 will never get + committed. */ + + /*--------------------------------------*/ + trx->conc_state = TRX_COMMITTED_IN_MEMORY; + /*--------------------------------------*/ + + /* If we release kernel_mutex below and we are still doing + recovery i.e.: back ground rollback thread is still active + then there is a chance that the rollback thread may see + this trx as COMMITTED_IN_MEMORY and goes adhead to clean it + up calling trx_cleanup_at_db_startup(). This can happen + in the case we are committing a trx here that is left in + PREPARED state during the crash. Note that commit of the + rollback of a PREPARED trx happens in the recovery thread + while the rollback of other transactions happen in the + background thread. To avoid this race we unconditionally + unset the is_recovered flag from the trx. */ + + trx->is_recovered = FALSE; + + lock_release_off_kernel(trx); + + if (trx->global_read_view) { + read_view_close(trx->global_read_view); + mem_heap_empty(trx->global_read_view_heap); + trx->global_read_view = NULL; + } + + trx->read_view = NULL; + + if (lsn) { + + mutex_exit(&kernel_mutex); + + if (trx->insert_undo != NULL) { + + trx_undo_insert_cleanup(trx); + } + + /* NOTE that we could possibly make a group commit more + efficient here: call os_thread_yield here to allow also other + trxs to come to commit! */ + + /*-------------------------------------*/ + + /* Depending on the my.cnf options, we may now write the log + buffer to the log files, making the transaction durable if + the OS does not crash. We may also flush the log files to + disk, making the transaction durable also at an OS crash or a + power outage. + + The idea in InnoDB's group commit is that a group of + transactions gather behind a trx doing a physical disk write + to log files, and when that physical write has been completed, + one of those transactions does a write which commits the whole + group. Note that this group commit will only bring benefit if + there are > 2 users in the database. Then at least 2 users can + gather behind one doing the physical log write to disk. + + If we are calling trx_commit() under prepare_commit_mutex, we + will delay possible log write and flush to a separate function + trx_commit_complete_for_mysql(), which is only called when the + thread has released the mutex. This is to make the + group commit algorithm to work. Otherwise, the prepare_commit + mutex would serialize all commits and prevent a group of + transactions from gathering. */ + + if (trx->flush_log_later) { + /* Do nothing yet */ + trx->must_flush_log_later = TRUE; + } else if (srv_flush_log_at_trx_commit == 0) { + /* Do nothing */ + } else if (srv_flush_log_at_trx_commit == 1) { + if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, + FALSE); + } else { + /* Write the log to the log files AND flush + them to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); + } + } else if (srv_flush_log_at_trx_commit == 2) { + + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); + } else { + ut_error; + } + + trx->commit_lsn = lsn; + + /*-------------------------------------*/ + + mutex_enter(&kernel_mutex); + } + + /* Free all savepoints */ + trx_roll_free_all_savepoints(trx); + + trx->conc_state = TRX_NOT_STARTED; + trx->rseg = NULL; + trx->undo_no = ut_dulint_zero; + trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; + trx->mysql_query_str = NULL; + + ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); + ut_ad(UT_LIST_GET_LEN(trx->trx_locks) == 0); + + UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); +} + +/****************************************************************//** +Cleans up a transaction at database startup. The cleanup is needed if +the transaction already got to the middle of a commit when the database +crashed, and we cannot roll it back. */ +UNIV_INTERN +void +trx_cleanup_at_db_startup( +/*======================*/ + trx_t* trx) /*!< in: transaction */ +{ + if (trx->insert_undo != NULL) { + + trx_undo_insert_cleanup(trx); + } + + trx->conc_state = TRX_NOT_STARTED; + trx->rseg = NULL; + trx->undo_no = ut_dulint_zero; + trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; + + UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); +} + +/********************************************************************//** +Assigns a read view for a consistent read query. All the consistent reads +within the same transaction will get the same read view, which is created +when this function is first called for a new started transaction. +@return consistent read view */ +UNIV_INTERN +read_view_t* +trx_assign_read_view( +/*=================*/ + trx_t* trx) /*!< in: active transaction */ +{ + ut_ad(trx->conc_state == TRX_ACTIVE); + + if (trx->read_view) { + return(trx->read_view); + } + + mutex_enter(&kernel_mutex); + + if (!trx->read_view) { + trx->read_view = read_view_open_now( + trx->id, trx->global_read_view_heap); + trx->global_read_view = trx->read_view; + } + + mutex_exit(&kernel_mutex); + + return(trx->read_view); +} + +/****************************************************************//** +Commits a transaction. NOTE that the kernel mutex is temporarily released. */ +static +void +trx_handle_commit_sig_off_kernel( +/*=============================*/ + trx_t* trx, /*!< in: transaction */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +{ + trx_sig_t* sig; + trx_sig_t* next_sig; + + ut_ad(mutex_own(&kernel_mutex)); + + trx->que_state = TRX_QUE_COMMITTING; + + trx_commit_off_kernel(trx); + + ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); + + /* Remove all TRX_SIG_COMMIT signals from the signal queue and send + reply messages to them */ + + sig = UT_LIST_GET_FIRST(trx->signals); + + while (sig != NULL) { + next_sig = UT_LIST_GET_NEXT(signals, sig); + + if (sig->type == TRX_SIG_COMMIT) { + + trx_sig_reply(sig, next_thr); + trx_sig_remove(trx, sig); + } + + sig = next_sig; + } + + trx->que_state = TRX_QUE_RUNNING; +} + +/***********************************************************//** +The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to +the TRX_QUE_RUNNING state and releases query threads which were +waiting for a lock in the wait_thrs list. */ +UNIV_INTERN +void +trx_end_lock_wait( +/*==============*/ + trx_t* trx) /*!< in: transaction */ +{ + que_thr_t* thr; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(trx->que_state == TRX_QUE_LOCK_WAIT); + + thr = UT_LIST_GET_FIRST(trx->wait_thrs); + + while (thr != NULL) { + que_thr_end_wait_no_next_thr(thr); + + UT_LIST_REMOVE(trx_thrs, trx->wait_thrs, thr); + + thr = UT_LIST_GET_FIRST(trx->wait_thrs); + } + + trx->que_state = TRX_QUE_RUNNING; +} + +/***********************************************************//** +Moves the query threads in the lock wait list to the SUSPENDED state and puts +the transaction to the TRX_QUE_RUNNING state. */ +static +void +trx_lock_wait_to_suspended( +/*=======================*/ + trx_t* trx) /*!< in: transaction in the TRX_QUE_LOCK_WAIT state */ +{ + que_thr_t* thr; + + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(trx->que_state == TRX_QUE_LOCK_WAIT); + + thr = UT_LIST_GET_FIRST(trx->wait_thrs); + + while (thr != NULL) { + thr->state = QUE_THR_SUSPENDED; + + UT_LIST_REMOVE(trx_thrs, trx->wait_thrs, thr); + + thr = UT_LIST_GET_FIRST(trx->wait_thrs); + } + + trx->que_state = TRX_QUE_RUNNING; +} + +/***********************************************************//** +Moves the query threads in the sig reply wait list of trx to the SUSPENDED +state. */ +static +void +trx_sig_reply_wait_to_suspended( +/*============================*/ + trx_t* trx) /*!< in: transaction */ +{ + trx_sig_t* sig; + que_thr_t* thr; + + ut_ad(mutex_own(&kernel_mutex)); + + sig = UT_LIST_GET_FIRST(trx->reply_signals); + + while (sig != NULL) { + thr = sig->receiver; + + ut_ad(thr->state == QUE_THR_SIG_REPLY_WAIT); + + thr->state = QUE_THR_SUSPENDED; + + sig->receiver = NULL; + + UT_LIST_REMOVE(reply_signals, trx->reply_signals, sig); + + sig = UT_LIST_GET_FIRST(trx->reply_signals); + } +} + +/*****************************************************************//** +Checks the compatibility of a new signal with the other signals in the +queue. +@return TRUE if the signal can be queued */ +static +ibool +trx_sig_is_compatible( +/*==================*/ + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender) /*!< in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ +{ + trx_sig_t* sig; + + ut_ad(mutex_own(&kernel_mutex)); + + if (UT_LIST_GET_LEN(trx->signals) == 0) { + + return(TRUE); + } + + if (sender == TRX_SIG_SELF) { + if (type == TRX_SIG_ERROR_OCCURRED) { + + return(TRUE); + + } else if (type == TRX_SIG_BREAK_EXECUTION) { + + return(TRUE); + } else { + return(FALSE); + } + } + + ut_ad(sender == TRX_SIG_OTHER_SESS); + + sig = UT_LIST_GET_FIRST(trx->signals); + + if (type == TRX_SIG_COMMIT) { + while (sig != NULL) { + + if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { + + return(FALSE); + } + + sig = UT_LIST_GET_NEXT(signals, sig); + } + + return(TRUE); + + } else if (type == TRX_SIG_TOTAL_ROLLBACK) { + while (sig != NULL) { + + if (sig->type == TRX_SIG_COMMIT) { + + return(FALSE); + } + + sig = UT_LIST_GET_NEXT(signals, sig); + } + + return(TRUE); + + } else if (type == TRX_SIG_BREAK_EXECUTION) { + + return(TRUE); + } else { + ut_error; + + return(FALSE); + } +} + +/****************************************************************//** +Sends a signal to a trx object. */ +UNIV_INTERN +void +trx_sig_send( +/*=========*/ + trx_t* trx, /*!< in: trx handle */ + ulint type, /*!< in: signal type */ + ulint sender, /*!< in: TRX_SIG_SELF or + TRX_SIG_OTHER_SESS */ + que_thr_t* receiver_thr, /*!< in: query thread which wants the + reply, or NULL; if type is + TRX_SIG_END_WAIT, this must be NULL */ + trx_savept_t* savept, /*!< in: possible rollback savepoint, or + NULL */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if the parameter + is NULL, it is ignored */ +{ + trx_sig_t* sig; + trx_t* receiver_trx; + + ut_ad(trx); + ut_ad(mutex_own(&kernel_mutex)); + + if (!trx_sig_is_compatible(trx, type, sender)) { + /* The signal is not compatible with the other signals in + the queue: die */ + + ut_error; + } + + /* Queue the signal object */ + + if (UT_LIST_GET_LEN(trx->signals) == 0) { + + /* The signal list is empty: the 'sig' slot must be unused + (we improve performance a bit by avoiding mem_alloc) */ + sig = &(trx->sig); + } else { + /* It might be that the 'sig' slot is unused also in this + case, but we choose the easy way of using mem_alloc */ + + sig = mem_alloc(sizeof(trx_sig_t)); + } + + UT_LIST_ADD_LAST(signals, trx->signals, sig); + + sig->type = type; + sig->sender = sender; + sig->receiver = receiver_thr; + + if (savept) { + sig->savept = *savept; + } + + if (receiver_thr) { + receiver_trx = thr_get_trx(receiver_thr); + + UT_LIST_ADD_LAST(reply_signals, receiver_trx->reply_signals, + sig); + } + + if (trx->sess->state == SESS_ERROR) { + + trx_sig_reply_wait_to_suspended(trx); + } + + if ((sender != TRX_SIG_SELF) || (type == TRX_SIG_BREAK_EXECUTION)) { + ut_error; + } + + /* If there were no other signals ahead in the queue, try to start + handling of the signal */ + + if (UT_LIST_GET_FIRST(trx->signals) == sig) { + + trx_sig_start_handle(trx, next_thr); + } +} + +/****************************************************************//** +Ends signal handling. If the session is in the error state, and +trx->graph_before_signal_handling != NULL, then returns control to the error +handling routine of the graph (currently just returns the control to the +graph root which then will send an error message to the client). */ +UNIV_INTERN +void +trx_end_signal_handling( +/*====================*/ + trx_t* trx) /*!< in: trx */ +{ + ut_ad(mutex_own(&kernel_mutex)); + ut_ad(trx->handling_signals == TRUE); + + trx->handling_signals = FALSE; + + trx->graph = trx->graph_before_signal_handling; + + if (trx->graph && (trx->sess->state == SESS_ERROR)) { + + que_fork_error_handle(trx, trx->graph); + } +} + +/****************************************************************//** +Starts handling of a trx signal. */ +UNIV_INTERN +void +trx_sig_start_handle( +/*=================*/ + trx_t* trx, /*!< in: trx handle */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if the parameter + is NULL, it is ignored */ +{ + trx_sig_t* sig; + ulint type; +loop: + /* We loop in this function body as long as there are queued signals + we can process immediately */ + + ut_ad(trx); + ut_ad(mutex_own(&kernel_mutex)); + + if (trx->handling_signals && (UT_LIST_GET_LEN(trx->signals) == 0)) { + + trx_end_signal_handling(trx); + + return; + } + + if (trx->conc_state == TRX_NOT_STARTED) { + + trx_start_low(trx, ULINT_UNDEFINED); + } + + /* If the trx is in a lock wait state, moves the waiting query threads + to the suspended state */ + + if (trx->que_state == TRX_QUE_LOCK_WAIT) { + + trx_lock_wait_to_suspended(trx); + } + + /* If the session is in the error state and this trx has threads + waiting for reply from signals, moves these threads to the suspended + state, canceling wait reservations; note that if the transaction has + sent a commit or rollback signal to itself, and its session is not in + the error state, then nothing is done here. */ + + if (trx->sess->state == SESS_ERROR) { + trx_sig_reply_wait_to_suspended(trx); + } + + /* If there are no running query threads, we can start processing of a + signal, otherwise we have to wait until all query threads of this + transaction are aware of the arrival of the signal. */ + + if (trx->n_active_thrs > 0) { + + return; + } + + if (trx->handling_signals == FALSE) { + trx->graph_before_signal_handling = trx->graph; + + trx->handling_signals = TRUE; + } + + sig = UT_LIST_GET_FIRST(trx->signals); + type = sig->type; + + if (type == TRX_SIG_COMMIT) { + + trx_handle_commit_sig_off_kernel(trx, next_thr); + + } else if ((type == TRX_SIG_TOTAL_ROLLBACK) + || (type == TRX_SIG_ROLLBACK_TO_SAVEPT)) { + + trx_rollback(trx, sig, next_thr); + + /* No further signals can be handled until the rollback + completes, therefore we return */ + + return; + + } else if (type == TRX_SIG_ERROR_OCCURRED) { + + trx_rollback(trx, sig, next_thr); + + /* No further signals can be handled until the rollback + completes, therefore we return */ + + return; + + } else if (type == TRX_SIG_BREAK_EXECUTION) { + + trx_sig_reply(sig, next_thr); + trx_sig_remove(trx, sig); + } else { + ut_error; + } + + goto loop; +} + +/****************************************************************//** +Send the reply message when a signal in the queue of the trx has been +handled. */ +UNIV_INTERN +void +trx_sig_reply( +/*==========*/ + trx_sig_t* sig, /*!< in: signal */ + que_thr_t** next_thr) /*!< in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ +{ + trx_t* receiver_trx; + + ut_ad(sig); + ut_ad(mutex_own(&kernel_mutex)); + + if (sig->receiver != NULL) { + ut_ad((sig->receiver)->state == QUE_THR_SIG_REPLY_WAIT); + + receiver_trx = thr_get_trx(sig->receiver); + + UT_LIST_REMOVE(reply_signals, receiver_trx->reply_signals, + sig); + ut_ad(receiver_trx->sess->state != SESS_ERROR); + + que_thr_end_wait(sig->receiver, next_thr); + + sig->receiver = NULL; + + } +} + +/****************************************************************//** +Removes a signal object from the trx signal queue. */ +UNIV_INTERN +void +trx_sig_remove( +/*===========*/ + trx_t* trx, /*!< in: trx handle */ + trx_sig_t* sig) /*!< in, own: signal */ +{ + ut_ad(trx && sig); + ut_ad(mutex_own(&kernel_mutex)); + + ut_ad(sig->receiver == NULL); + + UT_LIST_REMOVE(signals, trx->signals, sig); + sig->type = 0; /* reset the field to catch possible bugs */ + + if (sig != &(trx->sig)) { + mem_free(sig); + } +} + +/*********************************************************************//** +Creates a commit command node struct. +@return own: commit node struct */ +UNIV_INTERN +commit_node_t* +commit_node_create( +/*===============*/ + mem_heap_t* heap) /*!< in: mem heap where created */ +{ + commit_node_t* node; + + node = mem_heap_alloc(heap, sizeof(commit_node_t)); + node->common.type = QUE_NODE_COMMIT; + node->state = COMMIT_NODE_SEND; + + return(node); +} + +/***********************************************************//** +Performs an execution step for a commit type node in a query graph. +@return query thread to run next, or NULL */ +UNIV_INTERN +que_thr_t* +trx_commit_step( +/*============*/ + que_thr_t* thr) /*!< in: query thread */ +{ + commit_node_t* node; + que_thr_t* next_thr; + + node = thr->run_node; + + ut_ad(que_node_get_type(node) == QUE_NODE_COMMIT); + + if (thr->prev_node == que_node_get_parent(node)) { + node->state = COMMIT_NODE_SEND; + } + + if (node->state == COMMIT_NODE_SEND) { + mutex_enter(&kernel_mutex); + + node->state = COMMIT_NODE_WAIT; + + next_thr = NULL; + + thr->state = QUE_THR_SIG_REPLY_WAIT; + + /* Send the commit signal to the transaction */ + + trx_sig_send(thr_get_trx(thr), TRX_SIG_COMMIT, TRX_SIG_SELF, + thr, NULL, &next_thr); + + mutex_exit(&kernel_mutex); + + return(next_thr); + } + + ut_ad(node->state == COMMIT_NODE_WAIT); + + node->state = COMMIT_NODE_SEND; + + thr->run_node = que_node_get_parent(node); + + return(thr); +} + +/**********************************************************************//** +Does the transaction commit for MySQL. +@return DB_SUCCESS or error number */ +UNIV_INTERN +ulint +trx_commit_for_mysql( +/*=================*/ + trx_t* trx) /*!< in: trx handle */ +{ + /* Because we do not do the commit by sending an Innobase + sig to the transaction, we must here make sure that trx has been + started. */ + + ut_a(trx); + + trx_start_if_not_started(trx); + + trx->op_info = "committing"; + + mutex_enter(&kernel_mutex); + + trx_commit_off_kernel(trx); + + mutex_exit(&kernel_mutex); + + trx->op_info = ""; + + return(DB_SUCCESS); +} + +/**********************************************************************//** +If required, flushes the log to disk if we called trx_commit_for_mysql() +with trx->flush_log_later == TRUE. +@return 0 or error number */ +UNIV_INTERN +ulint +trx_commit_complete_for_mysql( +/*==========================*/ + trx_t* trx) /*!< in: trx handle */ +{ + ib_uint64_t lsn = trx->commit_lsn; + + ut_a(trx); + + trx->op_info = "flushing log"; + + if (!trx->must_flush_log_later) { + /* Do nothing */ + } else if (srv_flush_log_at_trx_commit == 0) { + /* Do nothing */ + } else if (srv_flush_log_at_trx_commit == 1) { + if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); + } else { + /* Write the log to the log files AND flush them to + disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); + } + } else if (srv_flush_log_at_trx_commit == 2) { + + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); + } else { + ut_error; + } + + trx->must_flush_log_later = FALSE; + + trx->op_info = ""; + + return(0); +} + +/**********************************************************************//** +Marks the latest SQL statement ended. */ +UNIV_INTERN +void +trx_mark_sql_stat_end( +/*==================*/ + trx_t* trx) /*!< in: trx handle */ +{ + ut_a(trx); + + if (trx->conc_state == TRX_NOT_STARTED) { + trx->undo_no = ut_dulint_zero; + } + + trx->last_sql_stat_start.least_undo_no = trx->undo_no; +} + +/**********************************************************************//** +Prints info about a transaction to the given file. The caller must own the +kernel mutex. */ +UNIV_INTERN +void +trx_print( +/*======*/ + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ulint max_query_len) /*!< in: max query length to print, or 0 to + use the default max length */ +{ + ibool newline; + + fprintf(f, "TRANSACTION " TRX_ID_FMT, TRX_ID_PREP_PRINTF(trx->id)); + + switch (trx->conc_state) { + case TRX_NOT_STARTED: + fputs(", not started", f); + break; + case TRX_ACTIVE: + fprintf(f, ", ACTIVE %lu sec", + (ulong)difftime(time(NULL), trx->start_time)); + break; + case TRX_PREPARED: + fprintf(f, ", ACTIVE (PREPARED) %lu sec", + (ulong)difftime(time(NULL), trx->start_time)); + break; + case TRX_COMMITTED_IN_MEMORY: + fputs(", COMMITTED IN MEMORY", f); + break; + default: + fprintf(f, " state %lu", (ulong) trx->conc_state); + } + +#ifdef UNIV_LINUX + fprintf(f, ", process no %lu", trx->mysql_process_no); +#endif + fprintf(f, ", OS thread id %lu", + (ulong) os_thread_pf(trx->mysql_thread_id)); + + if (*trx->op_info) { + putc(' ', f); + fputs(trx->op_info, f); + } + + if (trx->is_recovered) { + fputs(" recovered trx", f); + } + + if (trx->is_purge) { + fputs(" purge trx", f); + } + + if (trx->declared_to_be_inside_innodb) { + fprintf(f, ", thread declared inside InnoDB %lu", + (ulong) trx->n_tickets_to_enter_innodb); + } + + putc('\n', f); + + if (trx->n_mysql_tables_in_use > 0 || trx->mysql_n_tables_locked > 0) { + fprintf(f, "mysql tables in use %lu, locked %lu\n", + (ulong) trx->n_mysql_tables_in_use, + (ulong) trx->mysql_n_tables_locked); + } + + newline = TRUE; + + switch (trx->que_state) { + case TRX_QUE_RUNNING: + newline = FALSE; break; + case TRX_QUE_LOCK_WAIT: + fputs("LOCK WAIT ", f); break; + case TRX_QUE_ROLLING_BACK: + fputs("ROLLING BACK ", f); break; + case TRX_QUE_COMMITTING: + fputs("COMMITTING ", f); break; + default: + fprintf(f, "que state %lu ", (ulong) trx->que_state); + } + + if (0 < UT_LIST_GET_LEN(trx->trx_locks) + || mem_heap_get_size(trx->lock_heap) > 400) { + newline = TRUE; + + fprintf(f, "%lu lock struct(s), heap size %lu," + " %lu row lock(s)", + (ulong) UT_LIST_GET_LEN(trx->trx_locks), + (ulong) mem_heap_get_size(trx->lock_heap), + (ulong) lock_number_of_rows_locked(trx)); + } + + if (trx->has_search_latch) { + newline = TRUE; + fputs(", holds adaptive hash latch", f); + } + + if (!ut_dulint_is_zero(trx->undo_no)) { + newline = TRUE; + fprintf(f, ", undo log entries %lu", + (ulong) ut_dulint_get_low(trx->undo_no)); + } + + if (newline) { + putc('\n', f); + } + + if (trx->mysql_thd != NULL) { + innobase_mysql_print_thd(f, trx->mysql_thd, max_query_len); + } +} + +/*******************************************************************//** +Compares the "weight" (or size) of two transactions. Transactions that +have edited non-transactional tables are considered heavier than ones +that have not. +@return <0, 0 or >0; similar to strcmp(3) */ +UNIV_INTERN +int +trx_weight_cmp( +/*===========*/ + const trx_t* a, /*!< in: the first transaction to be compared */ + const trx_t* b) /*!< in: the second transaction to be compared */ +{ + ibool a_notrans_edit; + ibool b_notrans_edit; + + /* If mysql_thd is NULL for a transaction we assume that it has + not edited non-transactional tables. */ + + a_notrans_edit = a->mysql_thd != NULL + && thd_has_edited_nontrans_tables(a->mysql_thd); + + b_notrans_edit = b->mysql_thd != NULL + && thd_has_edited_nontrans_tables(b->mysql_thd); + + if (a_notrans_edit && !b_notrans_edit) { + + return(1); + } + + if (!a_notrans_edit && b_notrans_edit) { + + return(-1); + } + + /* Either both had edited non-transactional tables or both had + not, we fall back to comparing the number of altered/locked + rows. */ + +#if 0 + fprintf(stderr, + "%s TRX_WEIGHT(a): %lld+%lu, TRX_WEIGHT(b): %lld+%lu\n", + __func__, + ut_conv_dulint_to_longlong(a->undo_no), + UT_LIST_GET_LEN(a->trx_locks), + ut_conv_dulint_to_longlong(b->undo_no), + UT_LIST_GET_LEN(b->trx_locks)); +#endif + + return(ut_dulint_cmp(TRX_WEIGHT(a), TRX_WEIGHT(b))); +} + +/****************************************************************//** +Prepares a transaction. */ +UNIV_INTERN +void +trx_prepare_off_kernel( +/*===================*/ + trx_t* trx) /*!< in: transaction */ +{ + page_t* update_hdr_page; + trx_rseg_t* rseg; + ib_uint64_t lsn = 0; + mtr_t mtr; + + ut_ad(mutex_own(&kernel_mutex)); + + rseg = trx->rseg; + + if (trx->insert_undo != NULL || trx->update_undo != NULL) { + + mutex_exit(&kernel_mutex); + + mtr_start(&mtr); + + /* Change the undo log segment states from TRX_UNDO_ACTIVE + to TRX_UNDO_PREPARED: these modifications to the file data + structure define the transaction as prepared in the + file-based world, at the serialization point of lsn. */ + + mutex_enter(&(rseg->mutex)); + + if (trx->insert_undo != NULL) { + + /* It is not necessary to obtain trx->undo_mutex here + because only a single OS thread is allowed to do the + transaction prepare for this transaction. */ + + trx_undo_set_state_at_prepare(trx, trx->insert_undo, + &mtr); + } + + if (trx->update_undo) { + update_hdr_page = trx_undo_set_state_at_prepare( + trx, trx->update_undo, &mtr); + } + + mutex_exit(&(rseg->mutex)); + + /*--------------*/ + mtr_commit(&mtr); /* This mtr commit makes the + transaction prepared in the file-based + world */ + /*--------------*/ + lsn = mtr.end_lsn; + + mutex_enter(&kernel_mutex); + } + + ut_ad(mutex_own(&kernel_mutex)); + + /*--------------------------------------*/ + trx->conc_state = TRX_PREPARED; + /*--------------------------------------*/ + + if (lsn) { + /* Depending on the my.cnf options, we may now write the log + buffer to the log files, making the prepared state of the + transaction durable if the OS does not crash. We may also + flush the log files to disk, making the prepared state of the + transaction durable also at an OS crash or a power outage. + + The idea in InnoDB's group prepare is that a group of + transactions gather behind a trx doing a physical disk write + to log files, and when that physical write has been completed, + one of those transactions does a write which prepares the whole + group. Note that this group prepare will only bring benefit if + there are > 2 users in the database. Then at least 2 users can + gather behind one doing the physical log write to disk. + + TODO: find out if MySQL holds some mutex when calling this. + That would spoil our group prepare algorithm. */ + + mutex_exit(&kernel_mutex); + + if (srv_flush_log_at_trx_commit == 0) { + /* Do nothing */ + } else if (srv_flush_log_at_trx_commit == 1) { + if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, + FALSE); + } else { + /* Write the log to the log files AND flush + them to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); + } + } else if (srv_flush_log_at_trx_commit == 2) { + + /* Write the log but do not flush it to disk */ + + log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); + } else { + ut_error; + } + + mutex_enter(&kernel_mutex); + } +} + +/**********************************************************************//** +Does the transaction prepare for MySQL. +@return 0 or error number */ +UNIV_INTERN +ulint +trx_prepare_for_mysql( +/*==================*/ + trx_t* trx) /*!< in: trx handle */ +{ + /* Because we do not do the prepare by sending an Innobase + sig to the transaction, we must here make sure that trx has been + started. */ + + ut_a(trx); + + trx->op_info = "preparing"; + + trx_start_if_not_started(trx); + + mutex_enter(&kernel_mutex); + + trx_prepare_off_kernel(trx); + + mutex_exit(&kernel_mutex); + + trx->op_info = ""; + + return(0); +} + +/**********************************************************************//** +This function is used to find number of prepared transactions and +their transaction objects for a recovery. +@return number of prepared transactions stored in xid_list */ +UNIV_INTERN +int +trx_recover_for_mysql( +/*==================*/ + XID* xid_list, /*!< in/out: prepared transactions */ + ulint len) /*!< in: number of slots in xid_list */ +{ + trx_t* trx; + ulint count = 0; + + ut_ad(xid_list); + ut_ad(len); + + /* We should set those transactions which are in the prepared state + to the xid_list */ + + mutex_enter(&kernel_mutex); + + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx) { + if (trx->conc_state == TRX_PREPARED) { + xid_list[count] = trx->xid; + + if (count == 0) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Starting recovery for" + " XA transactions...\n"); + } + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Transaction " TRX_ID_FMT " in" + " prepared state after recovery\n", + TRX_ID_PREP_PRINTF(trx->id)); + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Transaction contains changes" + " to %lu rows\n", + (ulong) ut_conv_dulint_to_longlong( + trx->undo_no)); + + count++; + + if (count == len) { + break; + } + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + mutex_exit(&kernel_mutex); + + if (count > 0){ + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: %lu transactions in prepared state" + " after recovery\n", + (ulong) count); + } + + return ((int) count); +} + +/*******************************************************************//** +This function is used to find one X/Open XA distributed transaction +which is in the prepared state +@return trx or NULL */ +UNIV_INTERN +trx_t* +trx_get_trx_by_xid( +/*===============*/ + XID* xid) /*!< in: X/Open XA transaction identification */ +{ + trx_t* trx; + + if (xid == NULL) { + + return (NULL); + } + + mutex_enter(&kernel_mutex); + + trx = UT_LIST_GET_FIRST(trx_sys->trx_list); + + while (trx) { + /* Compare two X/Open XA transaction id's: their + length should be the same and binary comparison + of gtrid_lenght+bqual_length bytes should be + the same */ + + if (xid->gtrid_length == trx->xid.gtrid_length + && xid->bqual_length == trx->xid.bqual_length + && memcmp(xid->data, trx->xid.data, + xid->gtrid_length + xid->bqual_length) == 0) { + break; + } + + trx = UT_LIST_GET_NEXT(trx_list, trx); + } + + mutex_exit(&kernel_mutex); + + if (trx) { + if (trx->conc_state != TRX_PREPARED) { + + return(NULL); + } + + return(trx); + } else { + return(NULL); + } +} diff --git a/perfschema/trx/trx0undo.c b/perfschema/trx/trx0undo.c new file mode 100644 index 00000000000..3bb1b1cdf6c --- /dev/null +++ b/perfschema/trx/trx0undo.c @@ -0,0 +1,1993 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file trx/trx0undo.c +Transaction undo log + +Created 3/26/1996 Heikki Tuuri +*******************************************************/ + +#include "trx0undo.h" + +#ifdef UNIV_NONINL +#include "trx0undo.ic" +#endif + +#include "fsp0fsp.h" +#ifndef UNIV_HOTBACKUP +#include "mach0data.h" +#include "mtr0log.h" +#include "trx0rseg.h" +#include "trx0trx.h" +#include "srv0srv.h" +#include "trx0rec.h" +#include "trx0purge.h" + +/* How should the old versions in the history list be managed? + ---------------------------------------------------------- +If each transaction is given a whole page for its update undo log, file +space consumption can be 10 times higher than necessary. Therefore, +partly filled update undo log pages should be reusable. But then there +is no way individual pages can be ordered so that the ordering agrees +with the serialization numbers of the transactions on the pages. Thus, +the history list must be formed of undo logs, not their header pages as +it was in the old implementation. + However, on a single header page the transactions are placed in +the order of their serialization numbers. As old versions are purged, we +may free the page when the last transaction on the page has been purged. + A problem is that the purge has to go through the transactions +in the serialization order. This means that we have to look through all +rollback segments for the one that has the smallest transaction number +in its history list. + When should we do a purge? A purge is necessary when space is +running out in any of the rollback segments. Then we may have to purge +also old version which might be needed by some consistent read. How do +we trigger the start of a purge? When a transaction writes to an undo log, +it may notice that the space is running out. When a read view is closed, +it may make some history superfluous. The server can have an utility which +periodically checks if it can purge some history. + In a parallellized purge we have the problem that a query thread +can remove a delete marked clustered index record before another query +thread has processed an earlier version of the record, which cannot then +be done because the row cannot be constructed from the clustered index +record. To avoid this problem, we will store in the update and delete mark +undo record also the columns necessary to construct the secondary index +entries which are modified. + We can latch the stack of versions of a single clustered index record +by taking a latch on the clustered index page. As long as the latch is held, +no new versions can be added and no versions removed by undo. But, a purge +can still remove old versions from the bottom of the stack. */ + +/* How to protect rollback segments, undo logs, and history lists with + ------------------------------------------------------------------- +latches? +------- +The contention of the kernel mutex should be minimized. When a transaction +does its first insert or modify in an index, an undo log is assigned for it. +Then we must have an x-latch to the rollback segment header. + When the transaction does more modifys or rolls back, the undo log is +protected with undo_mutex in the transaction. + When the transaction commits, its insert undo log is either reset and +cached for a fast reuse, or freed. In these cases we must have an x-latch on +the rollback segment page. The update undo log is put to the history list. If +it is not suitable for reuse, its slot in the rollback segment is reset. In +both cases, an x-latch must be acquired on the rollback segment. + The purge operation steps through the history list without modifying +it until a truncate operation occurs, which can remove undo logs from the end +of the list and release undo log segments. In stepping through the list, +s-latches on the undo log pages are enough, but in a truncate, x-latches must +be obtained on the rollback segment and individual pages. */ +#endif /* !UNIV_HOTBACKUP */ + +/********************************************************************//** +Initializes the fields in an undo log segment page. */ +static +void +trx_undo_page_init( +/*===============*/ + page_t* undo_page, /*!< in: undo log segment page */ + ulint type, /*!< in: undo log segment type */ + mtr_t* mtr); /*!< in: mtr */ + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Creates and initializes an undo log memory object. +@return own: the undo log memory object */ +static +trx_undo_t* +trx_undo_mem_create( +/*================*/ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log + is created */ + const XID* xid, /*!< in: X/Open XA transaction identification*/ + ulint page_no,/*!< in: undo log header page number */ + ulint offset);/*!< in: undo log header byte offset on page */ +#endif /* !UNIV_HOTBACKUP */ +/***************************************************************//** +Initializes a cached insert undo log header page for new use. NOTE that this +function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change +the operation of this function! +@return undo log header byte offset on page */ +static +ulint +trx_undo_insert_header_reuse( +/*=========================*/ + page_t* undo_page, /*!< in/out: insert undo log segment + header page, x-latched */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +If an update undo log can be discarded immediately, this function frees the +space, resetting the page to the proper state for caching. */ +static +void +trx_undo_discard_latest_update_undo( +/*================================*/ + page_t* undo_page, /*!< in: header page of an undo log of size 1 */ + mtr_t* mtr); /*!< in: mtr */ + +#ifndef UNIV_HOTBACKUP +/***********************************************************************//** +Gets the previous record in an undo log from the previous page. +@return undo log record, the page s-latched, NULL if none */ +static +trx_undo_rec_t* +trx_undo_get_prev_rec_from_prev_page( +/*=================================*/ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint space; + ulint zip_size; + ulint prev_page_no; + page_t* prev_page; + page_t* undo_page; + + undo_page = page_align(rec); + + prev_page_no = flst_get_prev_addr(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_NODE, mtr) + .page; + + if (prev_page_no == FIL_NULL) { + + return(NULL); + } + + space = page_get_space_id(undo_page); + zip_size = fil_space_get_zip_size(space); + + prev_page = trx_undo_page_get_s_latched(space, zip_size, + prev_page_no, mtr); + + return(trx_undo_page_get_last_rec(prev_page, page_no, offset)); +} + +/***********************************************************************//** +Gets the previous record in an undo log. +@return undo log record, the page s-latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_prev_rec( +/*==================*/ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_undo_rec_t* prev_rec; + + prev_rec = trx_undo_page_get_prev_rec(rec, page_no, offset); + + if (prev_rec) { + + return(prev_rec); + } + + /* We have to go to the previous undo log page to look for the + previous record */ + + return(trx_undo_get_prev_rec_from_prev_page(rec, page_no, offset, + mtr)); +} + +/***********************************************************************//** +Gets the next record in an undo log from the next page. +@return undo log record, the page latched, NULL if none */ +static +trx_undo_rec_t* +trx_undo_get_next_rec_from_next_page( +/*=================================*/ + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + page_t* undo_page, /*!< in: undo log page */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latch mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_ulogf_t* log_hdr; + ulint next_page_no; + page_t* next_page; + ulint next; + + if (page_no == page_get_page_no(undo_page)) { + + log_hdr = undo_page + offset; + next = mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG); + + if (next != 0) { + + return(NULL); + } + } + + next_page_no = flst_get_next_addr(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_NODE, mtr) + .page; + if (next_page_no == FIL_NULL) { + + return(NULL); + } + + if (mode == RW_S_LATCH) { + next_page = trx_undo_page_get_s_latched(space, zip_size, + next_page_no, mtr); + } else { + ut_ad(mode == RW_X_LATCH); + next_page = trx_undo_page_get(space, zip_size, + next_page_no, mtr); + } + + return(trx_undo_page_get_first_rec(next_page, page_no, offset)); +} + +/***********************************************************************//** +Gets the next record in an undo log. +@return undo log record, the page s-latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_next_rec( +/*==================*/ + trx_undo_rec_t* rec, /*!< in: undo record */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint space; + ulint zip_size; + trx_undo_rec_t* next_rec; + + next_rec = trx_undo_page_get_next_rec(rec, page_no, offset); + + if (next_rec) { + return(next_rec); + } + + space = page_get_space_id(page_align(rec)); + zip_size = fil_space_get_zip_size(space); + + return(trx_undo_get_next_rec_from_next_page(space, zip_size, + page_align(rec), + page_no, offset, + RW_S_LATCH, mtr)); +} + +/***********************************************************************//** +Gets the first record in an undo log. +@return undo log record, the page latched, NULL if none */ +UNIV_INTERN +trx_undo_rec_t* +trx_undo_get_first_rec( +/*===================*/ + ulint space, /*!< in: undo log header space */ + ulint zip_size,/*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset, /*!< in: undo log header offset on page */ + ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* undo_page; + trx_undo_rec_t* rec; + + if (mode == RW_S_LATCH) { + undo_page = trx_undo_page_get_s_latched(space, zip_size, + page_no, mtr); + } else { + undo_page = trx_undo_page_get(space, zip_size, page_no, mtr); + } + + rec = trx_undo_page_get_first_rec(undo_page, page_no, offset); + + if (rec) { + return(rec); + } + + return(trx_undo_get_next_rec_from_next_page(space, zip_size, + undo_page, page_no, offset, + mode, mtr)); +} + +/*============== UNDO LOG FILE COPY CREATION AND FREEING ==================*/ + +/**********************************************************************//** +Writes the mtr log entry of an undo log page initialization. */ +UNIV_INLINE +void +trx_undo_page_init_log( +/*===================*/ + page_t* undo_page, /*!< in: undo log page */ + ulint type, /*!< in: undo log type */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_initial_log_record(undo_page, MLOG_UNDO_INIT, mtr); + + mlog_catenate_ulint_compressed(mtr, type); +} +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_page_init_log(undo_page,type,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses the redo log entry of an undo log page initialization. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_page_init( +/*=====================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ulint type; + + ptr = mach_parse_compressed(ptr, end_ptr, &type); + + if (ptr == NULL) { + + return(NULL); + } + + if (page) { + trx_undo_page_init(page, type, mtr); + } + + return(ptr); +} + +/********************************************************************//** +Initializes the fields in an undo log segment page. */ +static +void +trx_undo_page_init( +/*===============*/ + page_t* undo_page, /*!< in: undo log segment page */ + ulint type, /*!< in: undo log segment type */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_upagef_t* page_hdr; + + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_TYPE, type); + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE); + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE); + + fil_page_set_type(undo_page, FIL_PAGE_UNDO_LOG); + + trx_undo_page_init_log(undo_page, type, mtr); +} + +#ifndef UNIV_HOTBACKUP +/***************************************************************//** +Creates a new undo log segment in file. +@return DB_SUCCESS if page creation OK possible error codes are: +DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE */ +static +ulint +trx_undo_seg_create( +/*================*/ + trx_rseg_t* rseg __attribute__((unused)),/*!< in: rollback segment */ + trx_rsegf_t* rseg_hdr,/*!< in: rollback segment header, page + x-latched */ + ulint type, /*!< in: type of the segment: TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + ulint* id, /*!< out: slot index within rseg header */ + page_t** undo_page, + /*!< out: segment header page x-latched, NULL + if there was an error */ + mtr_t* mtr) /*!< in: mtr */ +{ + ulint slot_no; + ulint space; + buf_block_t* block; + trx_upagef_t* page_hdr; + trx_usegf_t* seg_hdr; + ulint n_reserved; + ibool success; + ulint err = DB_SUCCESS; + + ut_ad(mtr && id && rseg_hdr); + ut_ad(mutex_own(&(rseg->mutex))); + + /* fputs(type == TRX_UNDO_INSERT + ? "Creating insert undo log segment\n" + : "Creating update undo log segment\n", stderr); */ + slot_no = trx_rsegf_undo_find_free(rseg_hdr, mtr); + + if (slot_no == ULINT_UNDEFINED) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: cannot find a free slot for" + " an undo log. Do you have too\n" + "InnoDB: many active transactions" + " running concurrently?\n"); + + return(DB_TOO_MANY_CONCURRENT_TRXS); + } + + space = page_get_space_id(page_align(rseg_hdr)); + + success = fsp_reserve_free_extents(&n_reserved, space, 2, FSP_UNDO, + mtr); + if (!success) { + + return(DB_OUT_OF_FILE_SPACE); + } + + /* Allocate a new file segment for the undo log */ + block = fseg_create_general(space, 0, + TRX_UNDO_SEG_HDR + + TRX_UNDO_FSEG_HEADER, TRUE, mtr); + + fil_space_release_free_extents(space, n_reserved); + + if (block == NULL) { + /* No space left */ + + return(DB_OUT_OF_FILE_SPACE); + } + + buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); + + *undo_page = buf_block_get_frame(block); + + page_hdr = *undo_page + TRX_UNDO_PAGE_HDR; + seg_hdr = *undo_page + TRX_UNDO_SEG_HDR; + + trx_undo_page_init(*undo_page, type, mtr); + + mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_FREE, + TRX_UNDO_SEG_HDR + TRX_UNDO_SEG_HDR_SIZE, + MLOG_2BYTES, mtr); + + mlog_write_ulint(seg_hdr + TRX_UNDO_LAST_LOG, 0, MLOG_2BYTES, mtr); + + flst_init(seg_hdr + TRX_UNDO_PAGE_LIST, mtr); + + flst_add_last(seg_hdr + TRX_UNDO_PAGE_LIST, + page_hdr + TRX_UNDO_PAGE_NODE, mtr); + + trx_rsegf_set_nth_undo(rseg_hdr, slot_no, + page_get_page_no(*undo_page), mtr); + *id = slot_no; + + return(err); +} + +/**********************************************************************//** +Writes the mtr log entry of an undo log header initialization. */ +UNIV_INLINE +void +trx_undo_header_create_log( +/*=======================*/ + const page_t* undo_page, /*!< in: undo log header page */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_CREATE, mtr); + + mlog_catenate_dulint_compressed(mtr, trx_id); +} +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_header_create_log(undo_page,trx_id,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***************************************************************//** +Creates a new undo log header in file. NOTE that this function has its own +log record type MLOG_UNDO_HDR_CREATE. You must NOT change the operation of +this function! +@return header byte offset on page */ +static +ulint +trx_undo_header_create( +/*===================*/ + page_t* undo_page, /*!< in/out: undo log segment + header page, x-latched; it is + assumed that there is + TRX_UNDO_LOG_XA_HDR_SIZE bytes + free space on it */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_upagef_t* page_hdr; + trx_usegf_t* seg_hdr; + trx_ulogf_t* log_hdr; + trx_ulogf_t* prev_log_hdr; + ulint prev_log; + ulint free; + ulint new_free; + + ut_ad(mtr && undo_page); + + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + + free = mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE); + + log_hdr = undo_page + free; + + new_free = free + TRX_UNDO_LOG_OLD_HDR_SIZE; + + ut_a(free + TRX_UNDO_LOG_XA_HDR_SIZE < UNIV_PAGE_SIZE - 100); + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, new_free); + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, new_free); + + mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_ACTIVE); + + prev_log = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); + + if (prev_log != 0) { + prev_log_hdr = undo_page + prev_log; + + mach_write_to_2(prev_log_hdr + TRX_UNDO_NEXT_LOG, free); + } + + mach_write_to_2(seg_hdr + TRX_UNDO_LAST_LOG, free); + + log_hdr = undo_page + free; + + mach_write_to_2(log_hdr + TRX_UNDO_DEL_MARKS, TRUE); + + mach_write_to_8(log_hdr + TRX_UNDO_TRX_ID, trx_id); + mach_write_to_2(log_hdr + TRX_UNDO_LOG_START, new_free); + + mach_write_to_1(log_hdr + TRX_UNDO_XID_EXISTS, FALSE); + mach_write_to_1(log_hdr + TRX_UNDO_DICT_TRANS, FALSE); + + mach_write_to_2(log_hdr + TRX_UNDO_NEXT_LOG, 0); + mach_write_to_2(log_hdr + TRX_UNDO_PREV_LOG, prev_log); + + /* Write the log record about the header creation */ + trx_undo_header_create_log(undo_page, trx_id, mtr); + + return(free); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Write X/Open XA Transaction Identification (XID) to undo log header */ +static +void +trx_undo_write_xid( +/*===============*/ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + const XID* xid, /*!< in: X/Open XA Transaction Identification */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_ulint(log_hdr + TRX_UNDO_XA_FORMAT, + (ulint)xid->formatID, MLOG_4BYTES, mtr); + + mlog_write_ulint(log_hdr + TRX_UNDO_XA_TRID_LEN, + (ulint)xid->gtrid_length, MLOG_4BYTES, mtr); + + mlog_write_ulint(log_hdr + TRX_UNDO_XA_BQUAL_LEN, + (ulint)xid->bqual_length, MLOG_4BYTES, mtr); + + mlog_write_string(log_hdr + TRX_UNDO_XA_XID, (const byte*) xid->data, + XIDDATASIZE, mtr); +} + +/********************************************************************//** +Read X/Open XA Transaction Identification (XID) from undo log header */ +static +void +trx_undo_read_xid( +/*==============*/ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + XID* xid) /*!< out: X/Open XA Transaction Identification */ +{ + xid->formatID = (long)mach_read_from_4(log_hdr + TRX_UNDO_XA_FORMAT); + + xid->gtrid_length + = (long) mach_read_from_4(log_hdr + TRX_UNDO_XA_TRID_LEN); + xid->bqual_length + = (long) mach_read_from_4(log_hdr + TRX_UNDO_XA_BQUAL_LEN); + + memcpy(xid->data, log_hdr + TRX_UNDO_XA_XID, XIDDATASIZE); +} + +/***************************************************************//** +Adds space for the XA XID after an undo log old-style header. */ +static +void +trx_undo_header_add_space_for_xid( +/*==============================*/ + page_t* undo_page,/*!< in: undo log segment header page */ + trx_ulogf_t* log_hdr,/*!< in: undo log header */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_upagef_t* page_hdr; + ulint free; + ulint new_free; + + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + + free = mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE); + + /* free is now the end offset of the old style undo log header */ + + ut_a(free == (ulint)(log_hdr - undo_page) + TRX_UNDO_LOG_OLD_HDR_SIZE); + + new_free = free + (TRX_UNDO_LOG_XA_HDR_SIZE + - TRX_UNDO_LOG_OLD_HDR_SIZE); + + /* Add space for a XID after the header, update the free offset + fields on the undo log page and in the undo log header */ + + mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_START, new_free, + MLOG_2BYTES, mtr); + + mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_FREE, new_free, + MLOG_2BYTES, mtr); + + mlog_write_ulint(log_hdr + TRX_UNDO_LOG_START, new_free, + MLOG_2BYTES, mtr); +} + +/**********************************************************************//** +Writes the mtr log entry of an undo log header reuse. */ +UNIV_INLINE +void +trx_undo_insert_header_reuse_log( +/*=============================*/ + const page_t* undo_page, /*!< in: undo log header page */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_REUSE, mtr); + + mlog_catenate_dulint_compressed(mtr, trx_id); +} +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_insert_header_reuse_log(undo_page,trx_id,mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses the redo log entry of an undo log page header create or reuse. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_page_header( +/*=======================*/ + ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ + byte* ptr, /*!< in: buffer */ + byte* end_ptr,/*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + trx_id_t trx_id; + + ptr = mach_dulint_parse_compressed(ptr, end_ptr, &trx_id); + + if (ptr == NULL) { + + return(NULL); + } + + if (page) { + if (type == MLOG_UNDO_HDR_CREATE) { + trx_undo_header_create(page, trx_id, mtr); + } else { + ut_ad(type == MLOG_UNDO_HDR_REUSE); + trx_undo_insert_header_reuse(page, trx_id, mtr); + } + } + + return(ptr); +} + +/***************************************************************//** +Initializes a cached insert undo log header page for new use. NOTE that this +function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change +the operation of this function! +@return undo log header byte offset on page */ +static +ulint +trx_undo_insert_header_reuse( +/*=========================*/ + page_t* undo_page, /*!< in/out: insert undo log segment + header page, x-latched */ + trx_id_t trx_id, /*!< in: transaction id */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_upagef_t* page_hdr; + trx_usegf_t* seg_hdr; + trx_ulogf_t* log_hdr; + ulint free; + ulint new_free; + + ut_ad(mtr && undo_page); + + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + + free = TRX_UNDO_SEG_HDR + TRX_UNDO_SEG_HDR_SIZE; + + ut_a(free + TRX_UNDO_LOG_XA_HDR_SIZE < UNIV_PAGE_SIZE - 100); + + log_hdr = undo_page + free; + + new_free = free + TRX_UNDO_LOG_OLD_HDR_SIZE; + + /* Insert undo data is not needed after commit: we may free all + the space on the page */ + + ut_a(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_TYPE) + == TRX_UNDO_INSERT); + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, new_free); + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, new_free); + + mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_ACTIVE); + + log_hdr = undo_page + free; + + mach_write_to_8(log_hdr + TRX_UNDO_TRX_ID, trx_id); + mach_write_to_2(log_hdr + TRX_UNDO_LOG_START, new_free); + + mach_write_to_1(log_hdr + TRX_UNDO_XID_EXISTS, FALSE); + mach_write_to_1(log_hdr + TRX_UNDO_DICT_TRANS, FALSE); + + /* Write the log record MLOG_UNDO_HDR_REUSE */ + trx_undo_insert_header_reuse_log(undo_page, trx_id, mtr); + + return(free); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Writes the redo log entry of an update undo log header discard. */ +UNIV_INLINE +void +trx_undo_discard_latest_log( +/*========================*/ + page_t* undo_page, /*!< in: undo log header page */ + mtr_t* mtr) /*!< in: mtr */ +{ + mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_DISCARD, mtr); +} +#else /* !UNIV_HOTBACKUP */ +# define trx_undo_discard_latest_log(undo_page, mtr) ((void) 0) +#endif /* !UNIV_HOTBACKUP */ + +/***********************************************************//** +Parses the redo log entry of an undo log page header discard. +@return end of log record or NULL */ +UNIV_INTERN +byte* +trx_undo_parse_discard_latest( +/*==========================*/ + byte* ptr, /*!< in: buffer */ + byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ + page_t* page, /*!< in: page or NULL */ + mtr_t* mtr) /*!< in: mtr or NULL */ +{ + ut_ad(end_ptr); + + if (page) { + trx_undo_discard_latest_update_undo(page, mtr); + } + + return(ptr); +} + +/**********************************************************************//** +If an update undo log can be discarded immediately, this function frees the +space, resetting the page to the proper state for caching. */ +static +void +trx_undo_discard_latest_update_undo( +/*================================*/ + page_t* undo_page, /*!< in: header page of an undo log of size 1 */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_usegf_t* seg_hdr; + trx_upagef_t* page_hdr; + trx_ulogf_t* log_hdr; + trx_ulogf_t* prev_log_hdr; + ulint free; + ulint prev_hdr_offset; + + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + + free = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); + log_hdr = undo_page + free; + + prev_hdr_offset = mach_read_from_2(log_hdr + TRX_UNDO_PREV_LOG); + + if (prev_hdr_offset != 0) { + prev_log_hdr = undo_page + prev_hdr_offset; + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, + mach_read_from_2(prev_log_hdr + + TRX_UNDO_LOG_START)); + mach_write_to_2(prev_log_hdr + TRX_UNDO_NEXT_LOG, 0); + } + + mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, free); + + mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_CACHED); + mach_write_to_2(seg_hdr + TRX_UNDO_LAST_LOG, prev_hdr_offset); + + trx_undo_discard_latest_log(undo_page, mtr); +} + +#ifndef UNIV_HOTBACKUP +/********************************************************************//** +Tries to add a page to the undo log segment where the undo log is placed. +@return page number if success, else FIL_NULL */ +UNIV_INTERN +ulint +trx_undo_add_page( +/*==============*/ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory object */ + mtr_t* mtr) /*!< in: mtr which does not have a latch to any + undo log page; the caller must have reserved + the rollback segment mutex */ +{ + page_t* header_page; + page_t* new_page; + trx_rseg_t* rseg; + ulint page_no; + ulint n_reserved; + ibool success; + + ut_ad(mutex_own(&(trx->undo_mutex))); + ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(mutex_own(&(trx->rseg->mutex))); + + rseg = trx->rseg; + + if (rseg->curr_size == rseg->max_size) { + + return(FIL_NULL); + } + + header_page = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, mtr); + + success = fsp_reserve_free_extents(&n_reserved, undo->space, 1, + FSP_UNDO, mtr); + if (!success) { + + return(FIL_NULL); + } + + page_no = fseg_alloc_free_page_general(header_page + TRX_UNDO_SEG_HDR + + TRX_UNDO_FSEG_HEADER, + undo->top_page_no + 1, FSP_UP, + TRUE, mtr); + + fil_space_release_free_extents(undo->space, n_reserved); + + if (page_no == FIL_NULL) { + + /* No space left */ + + return(FIL_NULL); + } + + undo->last_page_no = page_no; + + new_page = trx_undo_page_get(undo->space, undo->zip_size, + page_no, mtr); + + trx_undo_page_init(new_page, undo->type, mtr); + + flst_add_last(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_PAGE_LIST, + new_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_NODE, mtr); + undo->size++; + rseg->curr_size++; + + return(page_no); +} + +/********************************************************************//** +Frees an undo log page that is not the header page. +@return last page number in remaining log */ +static +ulint +trx_undo_free_page( +/*===============*/ + trx_rseg_t* rseg, /*!< in: rollback segment */ + ibool in_history, /*!< in: TRUE if the undo log is in the history + list */ + ulint space, /*!< in: space */ + ulint hdr_page_no, /*!< in: header page number */ + ulint page_no, /*!< in: page number to free: must not be the + header page */ + mtr_t* mtr) /*!< in: mtr which does not have a latch to any + undo log page; the caller must have reserved + the rollback segment mutex */ +{ + page_t* header_page; + page_t* undo_page; + fil_addr_t last_addr; + trx_rsegf_t* rseg_header; + ulint hist_size; + ulint zip_size; + + ut_a(hdr_page_no != page_no); + ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(mutex_own(&(rseg->mutex))); + + zip_size = rseg->zip_size; + + undo_page = trx_undo_page_get(space, zip_size, page_no, mtr); + + header_page = trx_undo_page_get(space, zip_size, hdr_page_no, mtr); + + flst_remove(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_PAGE_LIST, + undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_NODE, mtr); + + fseg_free_page(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_FSEG_HEADER, + space, page_no, mtr); + + last_addr = flst_get_last(header_page + TRX_UNDO_SEG_HDR + + TRX_UNDO_PAGE_LIST, mtr); + rseg->curr_size--; + + if (in_history) { + rseg_header = trx_rsegf_get(space, zip_size, + rseg->page_no, mtr); + + hist_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, + MLOG_4BYTES, mtr); + ut_ad(hist_size > 0); + mlog_write_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, + hist_size - 1, MLOG_4BYTES, mtr); + } + + return(last_addr.page); +} + +/********************************************************************//** +Frees an undo log page when there is also the memory object for the undo +log. */ +static +void +trx_undo_free_page_in_rollback( +/*===========================*/ + trx_t* trx __attribute__((unused)), /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + ulint page_no,/*!< in: page number to free: must not be the + header page */ + mtr_t* mtr) /*!< in: mtr which does not have a latch to any + undo log page; the caller must have reserved + the rollback segment mutex */ +{ + ulint last_page_no; + + ut_ad(undo->hdr_page_no != page_no); + ut_ad(mutex_own(&(trx->undo_mutex))); + + last_page_no = trx_undo_free_page(undo->rseg, FALSE, undo->space, + undo->hdr_page_no, page_no, mtr); + + undo->last_page_no = last_page_no; + undo->size--; +} + +/********************************************************************//** +Empties an undo log header page of undo records for that undo log. Other +undo logs may still have records on that page, if it is an update undo log. */ +static +void +trx_undo_empty_header_page( +/*=======================*/ + ulint space, /*!< in: space */ + ulint zip_size, /*!< in: compressed page size in bytes + or 0 for uncompressed pages */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* header_page; + trx_ulogf_t* log_hdr; + ulint end; + + header_page = trx_undo_page_get(space, zip_size, hdr_page_no, mtr); + + log_hdr = header_page + hdr_offset; + + end = trx_undo_page_get_end(header_page, hdr_page_no, hdr_offset); + + mlog_write_ulint(log_hdr + TRX_UNDO_LOG_START, end, MLOG_2BYTES, mtr); +} + +/***********************************************************************//** +Truncates an undo log from the end. This function is used during a rollback +to free space from an undo log. */ +UNIV_INTERN +void +trx_undo_truncate_end( +/*==================*/ + trx_t* trx, /*!< in: transaction whose undo log it is */ + trx_undo_t* undo, /*!< in: undo log */ + undo_no_t limit) /*!< in: all undo records with undo number + >= this value should be truncated */ +{ + page_t* undo_page; + ulint last_page_no; + trx_undo_rec_t* rec; + trx_undo_rec_t* trunc_here; + trx_rseg_t* rseg; + mtr_t mtr; + + ut_ad(mutex_own(&(trx->undo_mutex))); + ut_ad(mutex_own(&(trx->rseg->mutex))); + + rseg = trx->rseg; + + for (;;) { + mtr_start(&mtr); + + trunc_here = NULL; + + last_page_no = undo->last_page_no; + + undo_page = trx_undo_page_get(undo->space, undo->zip_size, + last_page_no, &mtr); + + rec = trx_undo_page_get_last_rec(undo_page, undo->hdr_page_no, + undo->hdr_offset); + for (;;) { + if (rec == NULL) { + if (last_page_no == undo->hdr_page_no) { + + goto function_exit; + } + + trx_undo_free_page_in_rollback( + trx, undo, last_page_no, &mtr); + break; + } + + if (ut_dulint_cmp(trx_undo_rec_get_undo_no(rec), limit) + >= 0) { + /* Truncate at least this record off, maybe + more */ + trunc_here = rec; + } else { + goto function_exit; + } + + rec = trx_undo_page_get_prev_rec(rec, + undo->hdr_page_no, + undo->hdr_offset); + } + + mtr_commit(&mtr); + } + +function_exit: + if (trunc_here) { + mlog_write_ulint(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_FREE, + trunc_here - undo_page, MLOG_2BYTES, &mtr); + } + + mtr_commit(&mtr); +} + +/***********************************************************************//** +Truncates an undo log from the start. This function is used during a purge +operation. */ +UNIV_INTERN +void +trx_undo_truncate_start( +/*====================*/ + trx_rseg_t* rseg, /*!< in: rollback segment */ + ulint space, /*!< in: space id of the log */ + ulint hdr_page_no, /*!< in: header page number */ + ulint hdr_offset, /*!< in: header offset on the page */ + undo_no_t limit) /*!< in: all undo pages with + undo numbers < this value + should be truncated; NOTE that + the function only frees whole + pages; the header page is not + freed, but emptied, if all the + records there are < limit */ +{ + page_t* undo_page; + trx_undo_rec_t* rec; + trx_undo_rec_t* last_rec; + ulint page_no; + mtr_t mtr; + + ut_ad(mutex_own(&(rseg->mutex))); + + if (ut_dulint_is_zero(limit)) { + + return; + } +loop: + mtr_start(&mtr); + + rec = trx_undo_get_first_rec(space, rseg->zip_size, + hdr_page_no, hdr_offset, + RW_X_LATCH, &mtr); + if (rec == NULL) { + /* Already empty */ + + mtr_commit(&mtr); + + return; + } + + undo_page = page_align(rec); + + last_rec = trx_undo_page_get_last_rec(undo_page, hdr_page_no, + hdr_offset); + if (ut_dulint_cmp(trx_undo_rec_get_undo_no(last_rec), limit) >= 0) { + + mtr_commit(&mtr); + + return; + } + + page_no = page_get_page_no(undo_page); + + if (page_no == hdr_page_no) { + trx_undo_empty_header_page(space, rseg->zip_size, + hdr_page_no, hdr_offset, + &mtr); + } else { + trx_undo_free_page(rseg, TRUE, space, hdr_page_no, + page_no, &mtr); + } + + mtr_commit(&mtr); + + goto loop; +} + +/**********************************************************************//** +Frees an undo log segment which is not in the history list. */ +static +void +trx_undo_seg_free( +/*==============*/ + trx_undo_t* undo) /*!< in: undo log */ +{ + trx_rseg_t* rseg; + fseg_header_t* file_seg; + trx_rsegf_t* rseg_header; + trx_usegf_t* seg_header; + ibool finished; + mtr_t mtr; + + rseg = undo->rseg; + + do { + + mtr_start(&mtr); + + ut_ad(!mutex_own(&kernel_mutex)); + + mutex_enter(&(rseg->mutex)); + + seg_header = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, + &mtr) + TRX_UNDO_SEG_HDR; + + file_seg = seg_header + TRX_UNDO_FSEG_HEADER; + + finished = fseg_free_step(file_seg, &mtr); + + if (finished) { + /* Update the rseg header */ + rseg_header = trx_rsegf_get( + rseg->space, rseg->zip_size, rseg->page_no, + &mtr); + trx_rsegf_set_nth_undo(rseg_header, undo->id, FIL_NULL, + &mtr); + } + + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + } while (!finished); +} + +/*========== UNDO LOG MEMORY COPY INITIALIZATION =====================*/ + +/********************************************************************//** +Creates and initializes an undo log memory object according to the values +in the header in file, when the database is started. The memory object is +inserted in the appropriate list of rseg. +@return own: the undo log memory object */ +static +trx_undo_t* +trx_undo_mem_create_at_db_start( +/*============================*/ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint page_no,/*!< in: undo log segment page number */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* undo_page; + trx_upagef_t* page_header; + trx_usegf_t* seg_header; + trx_ulogf_t* undo_header; + trx_undo_t* undo; + ulint type; + ulint state; + trx_id_t trx_id; + ulint offset; + fil_addr_t last_addr; + page_t* last_page; + trx_undo_rec_t* rec; + XID xid; + ibool xid_exists = FALSE; + + if (id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, + "InnoDB: Error: undo->id is %lu\n", (ulong) id); + ut_error; + } + + undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, + page_no, mtr); + + page_header = undo_page + TRX_UNDO_PAGE_HDR; + + type = mtr_read_ulint(page_header + TRX_UNDO_PAGE_TYPE, MLOG_2BYTES, + mtr); + seg_header = undo_page + TRX_UNDO_SEG_HDR; + + state = mach_read_from_2(seg_header + TRX_UNDO_STATE); + + offset = mach_read_from_2(seg_header + TRX_UNDO_LAST_LOG); + + undo_header = undo_page + offset; + + trx_id = mtr_read_dulint(undo_header + TRX_UNDO_TRX_ID, mtr); + + xid_exists = mtr_read_ulint(undo_header + TRX_UNDO_XID_EXISTS, + MLOG_1BYTE, mtr); + + /* Read X/Open XA transaction identification if it exists, or + set it to NULL. */ + + memset(&xid, 0, sizeof(xid)); + xid.formatID = -1; + + if (xid_exists == TRUE) { + trx_undo_read_xid(undo_header, &xid); + } + + mutex_enter(&(rseg->mutex)); + + undo = trx_undo_mem_create(rseg, id, type, trx_id, &xid, + page_no, offset); + mutex_exit(&(rseg->mutex)); + + undo->dict_operation = mtr_read_ulint( + undo_header + TRX_UNDO_DICT_TRANS, MLOG_1BYTE, mtr); + + undo->table_id = mtr_read_dulint(undo_header + TRX_UNDO_TABLE_ID, mtr); + undo->state = state; + undo->size = flst_get_len(seg_header + TRX_UNDO_PAGE_LIST, mtr); + + /* If the log segment is being freed, the page list is inconsistent! */ + if (state == TRX_UNDO_TO_FREE) { + + goto add_to_list; + } + + last_addr = flst_get_last(seg_header + TRX_UNDO_PAGE_LIST, mtr); + + undo->last_page_no = last_addr.page; + undo->top_page_no = last_addr.page; + + last_page = trx_undo_page_get(rseg->space, rseg->zip_size, + undo->last_page_no, mtr); + + rec = trx_undo_page_get_last_rec(last_page, page_no, offset); + + if (rec == NULL) { + undo->empty = TRUE; + } else { + undo->empty = FALSE; + undo->top_offset = rec - last_page; + undo->top_undo_no = trx_undo_rec_get_undo_no(rec); + } +add_to_list: + if (type == TRX_UNDO_INSERT) { + if (state != TRX_UNDO_CACHED) { + UT_LIST_ADD_LAST(undo_list, rseg->insert_undo_list, + undo); + } else { + UT_LIST_ADD_LAST(undo_list, rseg->insert_undo_cached, + undo); + } + } else { + ut_ad(type == TRX_UNDO_UPDATE); + if (state != TRX_UNDO_CACHED) { + UT_LIST_ADD_LAST(undo_list, rseg->update_undo_list, + undo); + } else { + UT_LIST_ADD_LAST(undo_list, rseg->update_undo_cached, + undo); + } + } + + return(undo); +} + +/********************************************************************//** +Initializes the undo log lists for a rollback segment memory copy. This +function is only called when the database is started or a new rollback +segment is created. +@return the combined size of undo log segments in pages */ +UNIV_INTERN +ulint +trx_undo_lists_init( +/*================*/ + trx_rseg_t* rseg) /*!< in: rollback segment memory object */ +{ + ulint page_no; + trx_undo_t* undo; + ulint size = 0; + trx_rsegf_t* rseg_header; + ulint i; + mtr_t mtr; + + UT_LIST_INIT(rseg->update_undo_list); + UT_LIST_INIT(rseg->update_undo_cached); + UT_LIST_INIT(rseg->insert_undo_list); + UT_LIST_INIT(rseg->insert_undo_cached); + + mtr_start(&mtr); + + rseg_header = trx_rsegf_get_new(rseg->space, rseg->zip_size, + rseg->page_no, &mtr); + + for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { + page_no = trx_rsegf_get_nth_undo(rseg_header, i, &mtr); + + /* In forced recovery: try to avoid operations which look + at database pages; undo logs are rapidly changing data, and + the probability that they are in an inconsistent state is + high */ + + if (page_no != FIL_NULL + && srv_force_recovery < SRV_FORCE_NO_UNDO_LOG_SCAN) { + + undo = trx_undo_mem_create_at_db_start(rseg, i, + page_no, &mtr); + size += undo->size; + + mtr_commit(&mtr); + + mtr_start(&mtr); + + rseg_header = trx_rsegf_get( + rseg->space, rseg->zip_size, rseg->page_no, + &mtr); + } + } + + mtr_commit(&mtr); + + return(size); +} + +/********************************************************************//** +Creates and initializes an undo log memory object. +@return own: the undo log memory object */ +static +trx_undo_t* +trx_undo_mem_create( +/*================*/ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint id, /*!< in: slot index within rseg */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log + is created */ + const XID* xid, /*!< in: X/Open transaction identification */ + ulint page_no,/*!< in: undo log header page number */ + ulint offset) /*!< in: undo log header byte offset on page */ +{ + trx_undo_t* undo; + + ut_ad(mutex_own(&(rseg->mutex))); + + if (id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, + "InnoDB: Error: undo->id is %lu\n", (ulong) id); + ut_error; + } + + undo = mem_alloc(sizeof(trx_undo_t)); + + if (undo == NULL) { + + return NULL; + } + + undo->id = id; + undo->type = type; + undo->state = TRX_UNDO_ACTIVE; + undo->del_marks = FALSE; + undo->trx_id = trx_id; + undo->xid = *xid; + + undo->dict_operation = FALSE; + + undo->rseg = rseg; + + undo->space = rseg->space; + undo->zip_size = rseg->zip_size; + undo->hdr_page_no = page_no; + undo->hdr_offset = offset; + undo->last_page_no = page_no; + undo->size = 1; + + undo->empty = TRUE; + undo->top_page_no = page_no; + undo->guess_block = NULL; + + return(undo); +} + +/********************************************************************//** +Initializes a cached undo log object for new use. */ +static +void +trx_undo_mem_init_for_reuse( +/*========================*/ + trx_undo_t* undo, /*!< in: undo log to init */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log + is created */ + const XID* xid, /*!< in: X/Open XA transaction identification*/ + ulint offset) /*!< in: undo log header byte offset on page */ +{ + ut_ad(mutex_own(&((undo->rseg)->mutex))); + + if (UNIV_UNLIKELY(undo->id >= TRX_RSEG_N_SLOTS)) { + fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", + (ulong) undo->id); + + mem_analyze_corruption(undo); + ut_error; + } + + undo->state = TRX_UNDO_ACTIVE; + undo->del_marks = FALSE; + undo->trx_id = trx_id; + undo->xid = *xid; + + undo->dict_operation = FALSE; + + undo->hdr_offset = offset; + undo->empty = TRUE; +} + +/********************************************************************//** +Frees an undo log memory copy. */ +UNIV_INTERN +void +trx_undo_mem_free( +/*==============*/ + trx_undo_t* undo) /*!< in: the undo object to be freed */ +{ + if (undo->id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, + "InnoDB: Error: undo->id is %lu\n", (ulong) undo->id); + ut_error; + } + + mem_free(undo); +} + +/**********************************************************************//** +Creates a new undo log. +@return DB_SUCCESS if successful in creating the new undo lob object, +possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS +DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ +static +ulint +trx_undo_create( +/*============*/ + trx_t* trx, /*!< in: transaction */ + trx_rseg_t* rseg, /*!< in: rollback segment memory copy */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log + is created */ + const XID* xid, /*!< in: X/Open transaction identification*/ + trx_undo_t** undo, /*!< out: the new undo log object, undefined + * if did not succeed */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_rsegf_t* rseg_header; + ulint page_no; + ulint offset; + ulint id; + page_t* undo_page; + ulint err; + + ut_ad(mutex_own(&(rseg->mutex))); + + if (rseg->curr_size == rseg->max_size) { + + return(DB_OUT_OF_FILE_SPACE); + } + + rseg->curr_size++; + + rseg_header = trx_rsegf_get(rseg->space, rseg->zip_size, rseg->page_no, + mtr); + + err = trx_undo_seg_create(rseg, rseg_header, type, &id, + &undo_page, mtr); + + if (err != DB_SUCCESS) { + /* Did not succeed */ + + rseg->curr_size--; + + return(err); + } + + page_no = page_get_page_no(undo_page); + + offset = trx_undo_header_create(undo_page, trx_id, mtr); + + if (trx->support_xa) { + trx_undo_header_add_space_for_xid(undo_page, + undo_page + offset, mtr); + } + + *undo = trx_undo_mem_create(rseg, id, type, trx_id, xid, + page_no, offset); + if (*undo == NULL) { + + err = DB_OUT_OF_MEMORY; + } + + return(err); +} + +/*================ UNDO LOG ASSIGNMENT AND CLEANUP =====================*/ + +/********************************************************************//** +Reuses a cached undo log. +@return the undo log memory object, NULL if none cached */ +static +trx_undo_t* +trx_undo_reuse_cached( +/*==================*/ + trx_t* trx, /*!< in: transaction */ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or + TRX_UNDO_UPDATE */ + trx_id_t trx_id, /*!< in: id of the trx for which the undo log + is used */ + const XID* xid, /*!< in: X/Open XA transaction identification */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_undo_t* undo; + page_t* undo_page; + ulint offset; + + ut_ad(mutex_own(&(rseg->mutex))); + + if (type == TRX_UNDO_INSERT) { + + undo = UT_LIST_GET_FIRST(rseg->insert_undo_cached); + if (undo == NULL) { + + return(NULL); + } + + UT_LIST_REMOVE(undo_list, rseg->insert_undo_cached, undo); + } else { + ut_ad(type == TRX_UNDO_UPDATE); + + undo = UT_LIST_GET_FIRST(rseg->update_undo_cached); + if (undo == NULL) { + + return(NULL); + } + + UT_LIST_REMOVE(undo_list, rseg->update_undo_cached, undo); + } + + ut_ad(undo->size == 1); + + if (undo->id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", + (ulong) undo->id); + mem_analyze_corruption(undo); + ut_error; + } + + undo_page = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, mtr); + + if (type == TRX_UNDO_INSERT) { + offset = trx_undo_insert_header_reuse(undo_page, trx_id, mtr); + + if (trx->support_xa) { + trx_undo_header_add_space_for_xid( + undo_page, undo_page + offset, mtr); + } + } else { + ut_a(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR + + TRX_UNDO_PAGE_TYPE) + == TRX_UNDO_UPDATE); + + offset = trx_undo_header_create(undo_page, trx_id, mtr); + + if (trx->support_xa) { + trx_undo_header_add_space_for_xid( + undo_page, undo_page + offset, mtr); + } + } + + trx_undo_mem_init_for_reuse(undo, trx_id, xid, offset); + + return(undo); +} + +/**********************************************************************//** +Marks an undo log header as a header of a data dictionary operation +transaction. */ +static +void +trx_undo_mark_as_dict_operation( +/*============================*/ + trx_t* trx, /*!< in: dict op transaction */ + trx_undo_t* undo, /*!< in: assigned undo log */ + mtr_t* mtr) /*!< in: mtr */ +{ + page_t* hdr_page; + + hdr_page = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, mtr); + + switch (trx_get_dict_operation(trx)) { + case TRX_DICT_OP_NONE: + ut_error; + case TRX_DICT_OP_INDEX: + /* Do not discard the table on recovery. */ + undo->table_id = ut_dulint_zero; + break; + case TRX_DICT_OP_TABLE: + undo->table_id = trx->table_id; + break; + } + + mlog_write_ulint(hdr_page + undo->hdr_offset + + TRX_UNDO_DICT_TRANS, + TRUE, MLOG_1BYTE, mtr); + + mlog_write_dulint(hdr_page + undo->hdr_offset + TRX_UNDO_TABLE_ID, + undo->table_id, mtr); + + undo->dict_operation = TRUE; +} + +/**********************************************************************//** +Assigns an undo log for a transaction. A new undo log is created or a cached +undo log reused. +@return DB_SUCCESS if undo log assign successful, possible error codes +are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE +DB_OUT_OF_MEMORY */ +UNIV_INTERN +ulint +trx_undo_assign_undo( +/*=================*/ + trx_t* trx, /*!< in: transaction */ + ulint type) /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ +{ + trx_rseg_t* rseg; + trx_undo_t* undo; + mtr_t mtr; + ulint err = DB_SUCCESS; + + ut_ad(trx); + ut_ad(trx->rseg); + + rseg = trx->rseg; + + ut_ad(mutex_own(&(trx->undo_mutex))); + + mtr_start(&mtr); + + ut_ad(!mutex_own(&kernel_mutex)); + + mutex_enter(&(rseg->mutex)); + + undo = trx_undo_reuse_cached(trx, rseg, type, trx->id, &trx->xid, + &mtr); + if (undo == NULL) { + err = trx_undo_create(trx, rseg, type, trx->id, &trx->xid, + &undo, &mtr); + if (err != DB_SUCCESS) { + + goto func_exit; + } + } + + if (type == TRX_UNDO_INSERT) { + UT_LIST_ADD_FIRST(undo_list, rseg->insert_undo_list, undo); + ut_ad(trx->insert_undo == NULL); + trx->insert_undo = undo; + } else { + UT_LIST_ADD_FIRST(undo_list, rseg->update_undo_list, undo); + ut_ad(trx->update_undo == NULL); + trx->update_undo = undo; + } + + if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE) { + trx_undo_mark_as_dict_operation(trx, undo, &mtr); + } + +func_exit: + mutex_exit(&(rseg->mutex)); + mtr_commit(&mtr); + + return err; +} + +/******************************************************************//** +Sets the state of the undo log segment at a transaction finish. +@return undo log segment header page, x-latched */ +UNIV_INTERN +page_t* +trx_undo_set_state_at_finish( +/*=========================*/ + trx_rseg_t* rseg, /*!< in: rollback segment memory object */ + trx_t* trx __attribute__((unused)), /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_usegf_t* seg_hdr; + trx_upagef_t* page_hdr; + page_t* undo_page; + ulint state; + + ut_ad(trx); + ut_ad(undo); + ut_ad(mtr); + ut_ad(mutex_own(&rseg->mutex)); + + if (undo->id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", + (ulong) undo->id); + mem_analyze_corruption(undo); + ut_error; + } + + undo_page = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, mtr); + + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + + if (undo->size == 1 + && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) + < TRX_UNDO_PAGE_REUSE_LIMIT) { + + /* This is a heuristic to avoid the problem of all UNDO + slots ending up in one of the UNDO lists. Previously if + the server crashed with all the slots in one of the lists, + transactions that required the slots of a different type + would fail for lack of slots. */ + + if (UT_LIST_GET_LEN(rseg->update_undo_list) < 500 + && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { + + state = TRX_UNDO_CACHED; + } else { + state = TRX_UNDO_TO_FREE; + } + + } else if (undo->type == TRX_UNDO_INSERT) { + + state = TRX_UNDO_TO_FREE; + } else { + state = TRX_UNDO_TO_PURGE; + } + + undo->state = state; + + mlog_write_ulint(seg_hdr + TRX_UNDO_STATE, state, MLOG_2BYTES, mtr); + + return(undo_page); +} + +/******************************************************************//** +Sets the state of the undo log segment at a transaction prepare. +@return undo log segment header page, x-latched */ +UNIV_INTERN +page_t* +trx_undo_set_state_at_prepare( +/*==========================*/ + trx_t* trx, /*!< in: transaction */ + trx_undo_t* undo, /*!< in: undo log memory copy */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_usegf_t* seg_hdr; + trx_upagef_t* page_hdr; + trx_ulogf_t* undo_header; + page_t* undo_page; + ulint offset; + + ut_ad(trx && undo && mtr); + + if (undo->id >= TRX_RSEG_N_SLOTS) { + fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", + (ulong) undo->id); + mem_analyze_corruption(undo); + ut_error; + } + + undo_page = trx_undo_page_get(undo->space, undo->zip_size, + undo->hdr_page_no, mtr); + + seg_hdr = undo_page + TRX_UNDO_SEG_HDR; + page_hdr = undo_page + TRX_UNDO_PAGE_HDR; + + /*------------------------------*/ + undo->state = TRX_UNDO_PREPARED; + undo->xid = trx->xid; + /*------------------------------*/ + + mlog_write_ulint(seg_hdr + TRX_UNDO_STATE, undo->state, + MLOG_2BYTES, mtr); + + offset = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); + undo_header = undo_page + offset; + + mlog_write_ulint(undo_header + TRX_UNDO_XID_EXISTS, + TRUE, MLOG_1BYTE, mtr); + + trx_undo_write_xid(undo_header, &undo->xid, mtr); + + return(undo_page); +} + +/**********************************************************************//** +Adds the update undo log header as the first in the history list, and +frees the memory object, or puts it to the list of cached update undo log +segments. */ +UNIV_INTERN +void +trx_undo_update_cleanup( +/*====================*/ + trx_t* trx, /*!< in: trx owning the update undo log */ + page_t* undo_page, /*!< in: update undo log header page, + x-latched */ + mtr_t* mtr) /*!< in: mtr */ +{ + trx_rseg_t* rseg; + trx_undo_t* undo; + + undo = trx->update_undo; + rseg = trx->rseg; + + ut_ad(mutex_own(&(rseg->mutex))); + + trx_purge_add_update_undo_to_history(trx, undo_page, mtr); + + UT_LIST_REMOVE(undo_list, rseg->update_undo_list, undo); + + trx->update_undo = NULL; + + if (undo->state == TRX_UNDO_CACHED) { + + UT_LIST_ADD_FIRST(undo_list, rseg->update_undo_cached, undo); + } else { + ut_ad(undo->state == TRX_UNDO_TO_PURGE); + + trx_undo_mem_free(undo); + } +} + +/******************************************************************//** +Frees or caches an insert undo log after a transaction commit or rollback. +Knowledge of inserts is not needed after a commit or rollback, therefore +the data can be discarded. */ +UNIV_INTERN +void +trx_undo_insert_cleanup( +/*====================*/ + trx_t* trx) /*!< in: transaction handle */ +{ + trx_undo_t* undo; + trx_rseg_t* rseg; + + undo = trx->insert_undo; + ut_ad(undo); + + rseg = trx->rseg; + + mutex_enter(&(rseg->mutex)); + + UT_LIST_REMOVE(undo_list, rseg->insert_undo_list, undo); + trx->insert_undo = NULL; + + if (undo->state == TRX_UNDO_CACHED) { + + UT_LIST_ADD_FIRST(undo_list, rseg->insert_undo_cached, undo); + } else { + ut_ad(undo->state == TRX_UNDO_TO_FREE); + + /* Delete first the undo log segment in the file */ + + mutex_exit(&(rseg->mutex)); + + trx_undo_seg_free(undo); + + mutex_enter(&(rseg->mutex)); + + ut_ad(rseg->curr_size > undo->size); + + rseg->curr_size -= undo->size; + + trx_undo_mem_free(undo); + } + + mutex_exit(&(rseg->mutex)); +} +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/usr/usr0sess.c b/perfschema/usr/usr0sess.c new file mode 100644 index 00000000000..8087dcb4170 --- /dev/null +++ b/perfschema/usr/usr0sess.c @@ -0,0 +1,71 @@ +/***************************************************************************** + +Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file usr/usr0sess.c +Sessions + +Created 6/25/1996 Heikki Tuuri +*******************************************************/ + +#include "usr0sess.h" + +#ifdef UNIV_NONINL +#include "usr0sess.ic" +#endif + +#include "trx0trx.h" + +/*********************************************************************//** +Opens a session. +@return own: session object */ +UNIV_INTERN +sess_t* +sess_open(void) +/*===========*/ +{ + sess_t* sess; + + ut_ad(mutex_own(&kernel_mutex)); + + sess = mem_alloc(sizeof(sess_t)); + + sess->state = SESS_ACTIVE; + + sess->trx = trx_create(sess); + + UT_LIST_INIT(sess->graphs); + + return(sess); +} + +/*********************************************************************//** +Closes a session, freeing the memory occupied by it. */ +UNIV_INTERN +void +sess_close( +/*=======*/ + sess_t* sess) /*!< in, own: session object */ +{ + ut_ad(!mutex_own(&kernel_mutex)); + + ut_a(UT_LIST_GET_LEN(sess->graphs) == 0); + + trx_free_for_background(sess->trx); + mem_free(sess); +} diff --git a/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c b/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c new file mode 100644 index 00000000000..30de5aa6f17 --- /dev/null +++ b/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c @@ -0,0 +1,43 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles, then pthread_t objects can be used as arguments +to GCC atomic builtin functions. + +Created March 5, 2009 Vasil Dimov +*****************************************************************************/ + +#include +#include + +int +main(int argc, char** argv) +{ + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + __sync_bool_compare_and_swap(&x1, x2, x3); + + return(0); +} diff --git a/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c b/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c new file mode 100644 index 00000000000..310603c7503 --- /dev/null +++ b/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c @@ -0,0 +1,54 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles and returns 0, then pthread_t objects can be used as +arguments to Solaris libc atomic functions. + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ + +#include +#include + +int +main(int argc, char** argv) +{ + pthread_t x1; + pthread_t x2; + pthread_t x3; + + memset(&x1, 0x0, sizeof(x1)); + memset(&x2, 0x0, sizeof(x2)); + memset(&x3, 0x0, sizeof(x3)); + + if (sizeof(pthread_t) == 4) { + + atomic_cas_32(&x1, x2, x3); + + } else if (sizeof(pthread_t) == 8) { + + atomic_cas_64(&x1, x2, x3); + + } else { + + return(1); + } + + return(0); +} diff --git a/perfschema/ut/ut0auxconf_have_gcc_atomics.c b/perfschema/ut/ut0auxconf_have_gcc_atomics.c new file mode 100644 index 00000000000..da5c13d7d79 --- /dev/null +++ b/perfschema/ut/ut0auxconf_have_gcc_atomics.c @@ -0,0 +1,61 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles and returns 0, then GCC atomic funcions are available. + +Created September 12, 2009 Vasil Dimov +*****************************************************************************/ + +int +main(int argc, char** argv) +{ + long x; + long y; + long res; + char c; + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x, y); + if (!res || x != y) { + return(1); + } + + x = 10; + y = 123; + res = __sync_bool_compare_and_swap(&x, x + 1, y); + if (res || x != 10) { + return(1); + } + + x = 10; + y = 123; + res = __sync_add_and_fetch(&x, y); + if (res != 123 + 10 || x != 123 + 10) { + return(1); + } + + c = 10; + res = __sync_lock_test_and_set(&c, 123); + if (res != 10 || c != 123) { + return(1); + } + + return(0); +} diff --git a/perfschema/ut/ut0auxconf_have_solaris_atomics.c b/perfschema/ut/ut0auxconf_have_solaris_atomics.c new file mode 100644 index 00000000000..7eb704edd4b --- /dev/null +++ b/perfschema/ut/ut0auxconf_have_solaris_atomics.c @@ -0,0 +1,39 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles, then Solaris libc atomic funcions are available. + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ +#include + +int +main(int argc, char** argv) +{ + ulong_t ulong = 0; + uint32_t uint32 = 0; + uint64_t uint64 = 0; + + atomic_cas_ulong(&ulong, 0, 1); + atomic_cas_32(&uint32, 0, 1); + atomic_cas_64(&uint64, 0, 1); + atomic_add_long(&ulong, 0); + + return(0); +} diff --git a/perfschema/ut/ut0auxconf_pause.c b/perfschema/ut/ut0auxconf_pause.c new file mode 100644 index 00000000000..54d63bdd9bc --- /dev/null +++ b/perfschema/ut/ut0auxconf_pause.c @@ -0,0 +1,32 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +If this program compiles and can be run and returns 0, then the pause +instruction is available. + +Created Jul 21, 2009 Vasil Dimov +*****************************************************************************/ + +int +main(int argc, char** argv) +{ + __asm__ __volatile__ ("pause"); + + return(0); +} diff --git a/perfschema/ut/ut0auxconf_sizeof_pthread_t.c b/perfschema/ut/ut0auxconf_sizeof_pthread_t.c new file mode 100644 index 00000000000..96add4526ef --- /dev/null +++ b/perfschema/ut/ut0auxconf_sizeof_pthread_t.c @@ -0,0 +1,35 @@ +/***************************************************************************** + +Copyright (c) 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************************** +This program should compile and when run, print a single line like: +#define SIZEOF_PTHREAD_T %d + +Created April 18, 2009 Vasil Dimov +*****************************************************************************/ + +#include +#include + +int +main(int argc, char** argv) +{ + printf("#define SIZEOF_PTHREAD_T %d\n", (int) sizeof(pthread_t)); + + return(0); +} diff --git a/perfschema/ut/ut0byte.c b/perfschema/ut/ut0byte.c new file mode 100644 index 00000000000..4e093f72ce2 --- /dev/null +++ b/perfschema/ut/ut0byte.c @@ -0,0 +1,55 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************//** +@file ut/ut0byte.c +Byte utilities + +Created 5/11/1994 Heikki Tuuri +********************************************************************/ + +#include "ut0byte.h" + +#ifdef UNIV_NONINL +#include "ut0byte.ic" +#endif + +/** Zero value for a dulint */ +UNIV_INTERN const dulint ut_dulint_zero = {0, 0}; + +/** Maximum value for a dulint */ +UNIV_INTERN const dulint ut_dulint_max = {0xFFFFFFFFUL, 0xFFFFFFFFUL}; + +#ifdef notdefined /* unused code */ +#include "ut0sort.h" + +/************************************************************//** +Sort function for dulint arrays. */ +UNIV_INTERN +void +ut_dulint_sort( +/*===========*/ + dulint* arr, /*!< in/out: array to be sorted */ + dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ + ulint low, /*!< in: low bound of sort interval, inclusive */ + ulint high) /*!< in: high bound of sort interval, noninclusive */ +{ + UT_SORT_FUNCTION_BODY(ut_dulint_sort, arr, aux_arr, low, high, + ut_dulint_cmp); +} +#endif /* notdefined */ diff --git a/perfschema/ut/ut0dbg.c b/perfschema/ut/ut0dbg.c new file mode 100644 index 00000000000..4484e6c36de --- /dev/null +++ b/perfschema/ut/ut0dbg.c @@ -0,0 +1,187 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*****************************************************************//** +@file ut/ut0dbg.c +Debug utilities for Innobase. + +Created 1/30/1994 Heikki Tuuri +**********************************************************************/ + +#include "univ.i" +#include "ut0dbg.h" + +#if defined(__GNUC__) && (__GNUC__ > 2) +#else +/** This is used to eliminate compiler warnings */ +UNIV_INTERN ulint ut_dbg_zero = 0; +#endif + +#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) +/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads +will stop at the next ut_a() or ut_ad(). */ +UNIV_INTERN ibool ut_dbg_stop_threads = FALSE; +#endif +#ifdef __NETWARE__ +/** Flag for ignoring further assertion failures. This is set to TRUE +when on NetWare there happens an InnoDB assertion failure or other +fatal error condition that requires an immediate shutdown. */ +UNIV_INTERN ibool panic_shutdown = FALSE; +#elif !defined(UT_DBG_USE_ABORT) +/** A null pointer that will be dereferenced to trigger a memory trap */ +UNIV_INTERN ulint* ut_dbg_null_ptr = NULL; +#endif + +/*************************************************************//** +Report a failed assertion. */ +UNIV_INTERN +void +ut_dbg_assertion_failed( +/*====================*/ + const char* expr, /*!< in: the failed assertion (optional) */ + const char* file, /*!< in: source file containing the assertion */ + ulint line) /*!< in: line number of the assertion */ +{ + ut_print_timestamp(stderr); +#ifdef UNIV_HOTBACKUP + fprintf(stderr, " InnoDB: Assertion failure in file %s line %lu\n", + file, line); +#else /* UNIV_HOTBACKUP */ + fprintf(stderr, + " InnoDB: Assertion failure in thread %lu" + " in file %s line %lu\n", + os_thread_pf(os_thread_get_curr_id()), file, line); +#endif /* UNIV_HOTBACKUP */ + if (expr) { + fprintf(stderr, + "InnoDB: Failing assertion: %s\n", expr); + } + + fputs("InnoDB: We intentionally generate a memory trap.\n" + "InnoDB: Submit a detailed bug report" + " to http://bugs.mysql.com.\n" + "InnoDB: If you get repeated assertion failures" + " or crashes, even\n" + "InnoDB: immediately after the mysqld startup, there may be\n" + "InnoDB: corruption in the InnoDB tablespace. Please refer to\n" + "InnoDB: " REFMAN "forcing-recovery.html\n" + "InnoDB: about forcing recovery.\n", stderr); +#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) + ut_dbg_stop_threads = TRUE; +#endif +} + +#ifdef __NETWARE__ +/*************************************************************//** +Shut down MySQL/InnoDB after assertion failure. */ +UNIV_INTERN +void +ut_dbg_panic(void) +/*==============*/ +{ + if (!panic_shutdown) { + panic_shutdown = TRUE; + innobase_shutdown_for_mysql(); + } + exit(1); +} +#else /* __NETWARE__ */ +# if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) +/*************************************************************//** +Stop a thread after assertion failure. */ +UNIV_INTERN +void +ut_dbg_stop_thread( +/*===============*/ + const char* file, + ulint line) +{ +#ifndef UNIV_HOTBACKUP + fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n", + os_thread_pf(os_thread_get_curr_id()), file, line); + os_thread_sleep(1000000000); +#endif /* !UNIV_HOTBACKUP */ +} +# endif +#endif /* __NETWARE__ */ + +#ifdef UNIV_COMPILE_TEST_FUNCS + +#include +#include +#include + +#include + +#ifndef timersub +#define timersub(a, b, r) \ + do { \ + (r)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ + (r)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ + if ((r)->tv_usec < 0) { \ + (r)->tv_sec--; \ + (r)->tv_usec += 1000000; \ + } \ + } while (0) +#endif /* timersub */ + +/*******************************************************************//** +Resets a speedo (records the current time in it). */ +UNIV_INTERN +void +speedo_reset( +/*=========*/ + speedo_t* speedo) /*!< out: speedo */ +{ + gettimeofday(&speedo->tv, NULL); + + getrusage(RUSAGE_SELF, &speedo->ru); +} + +/*******************************************************************//** +Shows the time elapsed and usage statistics since the last reset of a +speedo. */ +UNIV_INTERN +void +speedo_show( +/*========*/ + const speedo_t* speedo) /*!< in: speedo */ +{ + struct rusage ru_now; + struct timeval tv_now; + struct timeval tv_diff; + + getrusage(RUSAGE_SELF, &ru_now); + + gettimeofday(&tv_now, NULL); + +#define PRINT_TIMEVAL(prefix, tvp) \ + fprintf(stderr, "%s% 5ld.%06ld sec\n", \ + prefix, (tvp)->tv_sec, (tvp)->tv_usec) + + timersub(&tv_now, &speedo->tv, &tv_diff); + PRINT_TIMEVAL("real", &tv_diff); + + timersub(&ru_now.ru_utime, &speedo->ru.ru_utime, &tv_diff); + PRINT_TIMEVAL("user", &tv_diff); + + timersub(&ru_now.ru_stime, &speedo->ru.ru_stime, &tv_diff); + PRINT_TIMEVAL("sys ", &tv_diff); +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/ut/ut0list.c b/perfschema/ut/ut0list.c new file mode 100644 index 00000000000..895a575c535 --- /dev/null +++ b/perfschema/ut/ut0list.c @@ -0,0 +1,194 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file ut/ut0list.c +A double-linked list + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +#include "ut0list.h" +#ifdef UNIV_NONINL +#include "ut0list.ic" +#endif + +/****************************************************************//** +Create a new list. +@return list */ +UNIV_INTERN +ib_list_t* +ib_list_create(void) +/*=================*/ +{ + ib_list_t* list = mem_alloc(sizeof(ib_list_t)); + + list->first = NULL; + list->last = NULL; + list->is_heap_list = FALSE; + + return(list); +} + +/****************************************************************//** +Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for +lists created with this function. +@return list */ +UNIV_INTERN +ib_list_t* +ib_list_create_heap( +/*================*/ + mem_heap_t* heap) /*!< in: memory heap to use */ +{ + ib_list_t* list = mem_heap_alloc(heap, sizeof(ib_list_t)); + + list->first = NULL; + list->last = NULL; + list->is_heap_list = TRUE; + + return(list); +} + +/****************************************************************//** +Free a list. */ +UNIV_INTERN +void +ib_list_free( +/*=========*/ + ib_list_t* list) /*!< in: list */ +{ + ut_a(!list->is_heap_list); + + /* We don't check that the list is empty because it's entirely valid + to e.g. have all the nodes allocated from a single heap that is then + freed after the list itself is freed. */ + + mem_free(list); +} + +/****************************************************************//** +Add the data to the start of the list. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_first( +/*==============*/ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ +{ + return(ib_list_add_after(list, ib_list_get_first(list), data, heap)); +} + +/****************************************************************//** +Add the data to the end of the list. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_last( +/*=============*/ + ib_list_t* list, /*!< in: list */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ +{ + return(ib_list_add_after(list, ib_list_get_last(list), data, heap)); +} + +/****************************************************************//** +Add the data after the indicated node. +@return new list node */ +UNIV_INTERN +ib_list_node_t* +ib_list_add_after( +/*==============*/ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* prev_node, /*!< in: node preceding new node (can + be NULL) */ + void* data, /*!< in: data */ + mem_heap_t* heap) /*!< in: memory heap to use */ +{ + ib_list_node_t* node = mem_heap_alloc(heap, sizeof(ib_list_node_t)); + + node->data = data; + + if (!list->first) { + /* Empty list. */ + + ut_a(!prev_node); + + node->prev = NULL; + node->next = NULL; + + list->first = node; + list->last = node; + } else if (!prev_node) { + /* Start of list. */ + + node->prev = NULL; + node->next = list->first; + + list->first->prev = node; + + list->first = node; + } else { + /* Middle or end of list. */ + + node->prev = prev_node; + node->next = prev_node->next; + + prev_node->next = node; + + if (node->next) { + node->next->prev = node; + } else { + list->last = node; + } + } + + return(node); +} + +/****************************************************************//** +Remove the node from the list. */ +UNIV_INTERN +void +ib_list_remove( +/*===========*/ + ib_list_t* list, /*!< in: list */ + ib_list_node_t* node) /*!< in: node to remove */ +{ + if (node->prev) { + node->prev->next = node->next; + } else { + /* First item in list. */ + + ut_ad(list->first == node); + + list->first = node->next; + } + + if (node->next) { + node->next->prev = node->prev; + } else { + /* Last item in list. */ + + ut_ad(list->last == node); + + list->last = node->prev; + } +} diff --git a/perfschema/ut/ut0mem.c b/perfschema/ut/ut0mem.c new file mode 100644 index 00000000000..35a325b9ccd --- /dev/null +++ b/perfschema/ut/ut0mem.c @@ -0,0 +1,708 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/********************************************************************//** +@file ut/ut0mem.c +Memory primitives + +Created 5/11/1994 Heikki Tuuri +*************************************************************************/ + +#include "ut0mem.h" + +#ifdef UNIV_NONINL +#include "ut0mem.ic" +#endif + +#ifndef UNIV_HOTBACKUP +# include "os0thread.h" +# include "srv0srv.h" + +#include + +/** This struct is placed first in every allocated memory block */ +typedef struct ut_mem_block_struct ut_mem_block_t; + +/** The total amount of memory currently allocated from the operating +system with os_mem_alloc_large() or malloc(). Does not count malloc() +if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ +UNIV_INTERN ulint ut_total_allocated_memory = 0; + +/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ +UNIV_INTERN os_fast_mutex_t ut_list_mutex; + +/** Dynamically allocated memory block */ +struct ut_mem_block_struct{ + UT_LIST_NODE_T(ut_mem_block_t) mem_block_list; + /*!< mem block list node */ + ulint size; /*!< size of allocated memory */ + ulint magic_n;/*!< magic number (UT_MEM_MAGIC_N) */ +}; + +/** The value of ut_mem_block_struct::magic_n. Used in detecting +memory corruption. */ +#define UT_MEM_MAGIC_N 1601650166 + +/** List of all memory blocks allocated from the operating system +with malloc. Protected by ut_list_mutex. */ +static UT_LIST_BASE_NODE_T(ut_mem_block_t) ut_mem_block_list; + +/** Flag: has ut_mem_block_list been initialized? */ +static ibool ut_mem_block_list_inited = FALSE; + +/** A dummy pointer for generating a null pointer exception in +ut_malloc_low() */ +static ulint* ut_mem_null_ptr = NULL; + +/**********************************************************************//** +Initializes the mem block list at database startup. */ +UNIV_INTERN +void +ut_mem_init(void) +/*=============*/ +{ + ut_a(!ut_mem_block_list_inited); + os_fast_mutex_init(&ut_list_mutex); + UT_LIST_INIT(ut_mem_block_list); + ut_mem_block_list_inited = TRUE; +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is +defined and set_to_zero is TRUE. +@return own: allocated memory */ +UNIV_INTERN +void* +ut_malloc_low( +/*==========*/ + ulint n, /*!< in: number of bytes to allocate */ + ibool set_to_zero, /*!< in: TRUE if allocated memory should be + set to zero if UNIV_SET_MEM_TO_ZERO is + defined */ + ibool assert_on_error)/*!< in: if TRUE, we crash mysqld if the + memory cannot be allocated */ +{ +#ifndef UNIV_HOTBACKUP + ulint retry_count; + void* ret; + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + ret = malloc(n); + ut_a(ret || !assert_on_error); + +#ifdef UNIV_SET_MEM_TO_ZERO + if (set_to_zero) { + memset(ret, '\0', n); + UNIV_MEM_ALLOC(ret, n); + } +#endif + return(ret); + } + + ut_ad((sizeof(ut_mem_block_t) % 8) == 0); /* check alignment ok */ + ut_a(ut_mem_block_list_inited); + + retry_count = 0; +retry: + os_fast_mutex_lock(&ut_list_mutex); + + ret = malloc(n + sizeof(ut_mem_block_t)); + + if (ret == NULL && retry_count < 60) { + if (retry_count == 0) { + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: Error: cannot allocate" + " %lu bytes of\n" + "InnoDB: memory with malloc!" + " Total allocated memory\n" + "InnoDB: by InnoDB %lu bytes." + " Operating system errno: %lu\n" + "InnoDB: Check if you should" + " increase the swap file or\n" + "InnoDB: ulimits of your operating system.\n" + "InnoDB: On FreeBSD check you" + " have compiled the OS with\n" + "InnoDB: a big enough maximum process size.\n" + "InnoDB: Note that in most 32-bit" + " computers the process\n" + "InnoDB: memory space is limited" + " to 2 GB or 4 GB.\n" + "InnoDB: We keep retrying" + " the allocation for 60 seconds...\n", + (ulong) n, (ulong) ut_total_allocated_memory, +#ifdef __WIN__ + (ulong) GetLastError() +#else + (ulong) errno +#endif + ); + } + + os_fast_mutex_unlock(&ut_list_mutex); + + /* Sleep for a second and retry the allocation; maybe this is + just a temporary shortage of memory */ + + os_thread_sleep(1000000); + + retry_count++; + + goto retry; + } + + if (ret == NULL) { + /* Flush stderr to make more probable that the error + message gets in the error file before we generate a seg + fault */ + + fflush(stderr); + + os_fast_mutex_unlock(&ut_list_mutex); + + /* Make an intentional seg fault so that we get a stack + trace */ + /* Intentional segfault on NetWare causes an abend. Avoid this + by graceful exit handling in ut_a(). */ +#if (!defined __NETWARE__) + if (assert_on_error) { + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: We now intentionally" + " generate a seg fault so that\n" + "InnoDB: on Linux we get a stack trace.\n"); + + if (*ut_mem_null_ptr) ut_mem_null_ptr = 0; + } else { + return(NULL); + } +#else + ut_a(0); +#endif + } + + if (set_to_zero) { +#ifdef UNIV_SET_MEM_TO_ZERO + memset(ret, '\0', n + sizeof(ut_mem_block_t)); +#endif + } + + UNIV_MEM_ALLOC(ret, n + sizeof(ut_mem_block_t)); + + ((ut_mem_block_t*)ret)->size = n + sizeof(ut_mem_block_t); + ((ut_mem_block_t*)ret)->magic_n = UT_MEM_MAGIC_N; + + ut_total_allocated_memory += n + sizeof(ut_mem_block_t); + + UT_LIST_ADD_FIRST(mem_block_list, ut_mem_block_list, + ((ut_mem_block_t*)ret)); + os_fast_mutex_unlock(&ut_list_mutex); + + return((void*)((byte*)ret + sizeof(ut_mem_block_t))); +#else /* !UNIV_HOTBACKUP */ + void* ret = malloc(n); + ut_a(ret || !assert_on_error); + +# ifdef UNIV_SET_MEM_TO_ZERO + if (set_to_zero) { + memset(ret, '\0', n); + } +# endif + return(ret); +#endif /* !UNIV_HOTBACKUP */ +} + +/**********************************************************************//** +Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is +defined. +@return own: allocated memory */ +UNIV_INTERN +void* +ut_malloc( +/*======*/ + ulint n) /*!< in: number of bytes to allocate */ +{ +#ifndef UNIV_HOTBACKUP + return(ut_malloc_low(n, TRUE, TRUE)); +#else /* !UNIV_HOTBACKUP */ + return(malloc(n)); +#endif /* !UNIV_HOTBACKUP */ +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs +out. It cannot be used if we want to return an error message. Prints to +stderr a message if fails. +@return TRUE if succeeded */ +UNIV_INTERN +ibool +ut_test_malloc( +/*===========*/ + ulint n) /*!< in: try to allocate this many bytes */ +{ + void* ret; + + ret = malloc(n); + + if (ret == NULL) { + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: cannot allocate" + " %lu bytes of memory for\n" + "InnoDB: a BLOB with malloc! Total allocated memory\n" + "InnoDB: by InnoDB %lu bytes." + " Operating system errno: %d\n" + "InnoDB: Check if you should increase" + " the swap file or\n" + "InnoDB: ulimits of your operating system.\n" + "InnoDB: On FreeBSD check you have" + " compiled the OS with\n" + "InnoDB: a big enough maximum process size.\n", + (ulong) n, + (ulong) ut_total_allocated_memory, + (int) errno); + return(FALSE); + } + + free(ret); + + return(TRUE); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Frees a memory block allocated with ut_malloc. */ +UNIV_INTERN +void +ut_free( +/*====*/ + void* ptr) /*!< in, own: memory block */ +{ +#ifndef UNIV_HOTBACKUP + ut_mem_block_t* block; + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + free(ptr); + return; + } + + block = (ut_mem_block_t*)((byte*)ptr - sizeof(ut_mem_block_t)); + + os_fast_mutex_lock(&ut_list_mutex); + + ut_a(block->magic_n == UT_MEM_MAGIC_N); + ut_a(ut_total_allocated_memory >= block->size); + + ut_total_allocated_memory -= block->size; + + UT_LIST_REMOVE(mem_block_list, ut_mem_block_list, block); + free(block); + + os_fast_mutex_unlock(&ut_list_mutex); +#else /* !UNIV_HOTBACKUP */ + free(ptr); +#endif /* !UNIV_HOTBACKUP */ +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not +use this function because the allocation functions in mem0mem.h are the +recommended ones in InnoDB. + +man realloc in Linux, 2004: + + realloc() changes the size of the memory block pointed to + by ptr to size bytes. The contents will be unchanged to + the minimum of the old and new sizes; newly allocated mem- + ory will be uninitialized. If ptr is NULL, the call is + equivalent to malloc(size); if size is equal to zero, the + call is equivalent to free(ptr). Unless ptr is NULL, it + must have been returned by an earlier call to malloc(), + calloc() or realloc(). + +RETURN VALUE + realloc() returns a pointer to the newly allocated memory, + which is suitably aligned for any kind of variable and may + be different from ptr, or NULL if the request fails. If + size was equal to 0, either NULL or a pointer suitable to + be passed to free() is returned. If realloc() fails the + original block is left untouched - it is not freed or + moved. +@return own: pointer to new mem block or NULL */ +UNIV_INTERN +void* +ut_realloc( +/*=======*/ + void* ptr, /*!< in: pointer to old block or NULL */ + ulint size) /*!< in: desired size */ +{ + ut_mem_block_t* block; + ulint old_size; + ulint min_size; + void* new_ptr; + + if (UNIV_LIKELY(srv_use_sys_malloc)) { + return(realloc(ptr, size)); + } + + if (ptr == NULL) { + + return(ut_malloc(size)); + } + + if (size == 0) { + ut_free(ptr); + + return(NULL); + } + + block = (ut_mem_block_t*)((byte*)ptr - sizeof(ut_mem_block_t)); + + ut_a(block->magic_n == UT_MEM_MAGIC_N); + + old_size = block->size - sizeof(ut_mem_block_t); + + if (size < old_size) { + min_size = size; + } else { + min_size = old_size; + } + + new_ptr = ut_malloc(size); + + if (new_ptr == NULL) { + + return(NULL); + } + + /* Copy the old data from ptr */ + ut_memcpy(new_ptr, ptr, min_size); + + ut_free(ptr); + + return(new_ptr); +} + +/**********************************************************************//** +Frees in shutdown all allocated memory not freed yet. */ +UNIV_INTERN +void +ut_free_all_mem(void) +/*=================*/ +{ + ut_mem_block_t* block; + + ut_a(ut_mem_block_list_inited); + ut_mem_block_list_inited = FALSE; + os_fast_mutex_free(&ut_list_mutex); + + while ((block = UT_LIST_GET_FIRST(ut_mem_block_list))) { + + ut_a(block->magic_n == UT_MEM_MAGIC_N); + ut_a(ut_total_allocated_memory >= block->size); + + ut_total_allocated_memory -= block->size; + + UT_LIST_REMOVE(mem_block_list, ut_mem_block_list, block); + free(block); + } + + if (ut_total_allocated_memory != 0) { + fprintf(stderr, + "InnoDB: Warning: after shutdown" + " total allocated memory is %lu\n", + (ulong) ut_total_allocated_memory); + } + + ut_mem_block_list_inited = FALSE; +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************************//** +Copies up to size - 1 characters from the NUL-terminated string src to +dst, NUL-terminating the result. Returns strlen(src), so truncation +occurred if the return value >= size. +@return strlen(src) */ +UNIV_INTERN +ulint +ut_strlcpy( +/*=======*/ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size) /*!< in: size of destination buffer */ +{ + ulint src_size = strlen(src); + + if (size != 0) { + ulint n = ut_min(src_size, size - 1); + + memcpy(dst, src, n); + dst[n] = '\0'; + } + + return(src_size); +} + +/**********************************************************************//** +Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last +(size - 1) bytes of src, not the first. +@return strlen(src) */ +UNIV_INTERN +ulint +ut_strlcpy_rev( +/*===========*/ + char* dst, /*!< in: destination buffer */ + const char* src, /*!< in: source buffer */ + ulint size) /*!< in: size of destination buffer */ +{ + ulint src_size = strlen(src); + + if (size != 0) { + ulint n = ut_min(src_size, size - 1); + + memcpy(dst, src + src_size - n, n + 1); + } + + return(src_size); +} + +/**********************************************************************//** +Make a quoted copy of a NUL-terminated string. Leading and trailing +quotes will not be included; only embedded quotes will be escaped. +See also ut_strlenq() and ut_memcpyq(). +@return pointer to end of dest */ +UNIV_INTERN +char* +ut_strcpyq( +/*=======*/ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src) /*!< in: null-terminated string */ +{ + while (*src) { + if ((*dest++ = *src++) == q) { + *dest++ = q; + } + } + + return(dest); +} + +/**********************************************************************//** +Make a quoted copy of a fixed-length string. Leading and trailing +quotes will not be included; only embedded quotes will be escaped. +See also ut_strlenq() and ut_strcpyq(). +@return pointer to end of dest */ +UNIV_INTERN +char* +ut_memcpyq( +/*=======*/ + char* dest, /*!< in: output buffer */ + char q, /*!< in: the quote character */ + const char* src, /*!< in: string to be quoted */ + ulint len) /*!< in: length of src */ +{ + const char* srcend = src + len; + + while (src < srcend) { + if ((*dest++ = *src++) == q) { + *dest++ = q; + } + } + + return(dest); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Return the number of times s2 occurs in s1. Overlapping instances of s2 +are only counted once. +@return the number of times s2 occurs in s1 */ +UNIV_INTERN +ulint +ut_strcount( +/*========*/ + const char* s1, /*!< in: string to search in */ + const char* s2) /*!< in: string to search for */ +{ + ulint count = 0; + ulint len = strlen(s2); + + if (len == 0) { + + return(0); + } + + for (;;) { + s1 = strstr(s1, s2); + + if (!s1) { + + break; + } + + count++; + s1 += len; + } + + return(count); +} + +/**********************************************************************//** +Replace every occurrence of s1 in str with s2. Overlapping instances of s1 +are only replaced once. +@return own: modified string, must be freed with mem_free() */ +UNIV_INTERN +char* +ut_strreplace( +/*==========*/ + const char* str, /*!< in: string to operate on */ + const char* s1, /*!< in: string to replace */ + const char* s2) /*!< in: string to replace s1 with */ +{ + char* new_str; + char* ptr; + const char* str_end; + ulint str_len = strlen(str); + ulint s1_len = strlen(s1); + ulint s2_len = strlen(s2); + ulint count = 0; + int len_delta = (int)s2_len - (int)s1_len; + + str_end = str + str_len; + + if (len_delta <= 0) { + len_delta = 0; + } else { + count = ut_strcount(str, s1); + } + + new_str = mem_alloc(str_len + count * len_delta + 1); + ptr = new_str; + + while (str) { + const char* next = strstr(str, s1); + + if (!next) { + next = str_end; + } + + memcpy(ptr, str, next - str); + ptr += next - str; + + if (next == str_end) { + + break; + } + + memcpy(ptr, s2, s2_len); + ptr += s2_len; + + str = next + s1_len; + } + + *ptr = '\0'; + + return(new_str); +} + +#ifdef UNIV_COMPILE_TEST_FUNCS + +void +test_ut_str_sql_format() +{ + char buf[128]; + ulint ret; + +#define CALL_AND_TEST(str, str_len, buf, buf_size, ret_expected, buf_expected)\ + do {\ + ibool ok = TRUE;\ + memset(buf, 'x', 10);\ + buf[10] = '\0';\ + fprintf(stderr, "TESTING \"%s\", %lu, %lu\n",\ + str, (ulint) str_len, (ulint) buf_size);\ + ret = ut_str_sql_format(str, str_len, buf, buf_size);\ + if (ret != ret_expected) {\ + fprintf(stderr, "expected ret %lu, got %lu\n",\ + (ulint) ret_expected, ret);\ + ok = FALSE;\ + }\ + if (strcmp((char*) buf, buf_expected) != 0) {\ + fprintf(stderr, "expected buf \"%s\", got \"%s\"\n",\ + buf_expected, buf);\ + ok = FALSE;\ + }\ + if (ok) {\ + fprintf(stderr, "OK: %lu, \"%s\"\n\n",\ + (ulint) ret, buf);\ + } else {\ + return;\ + }\ + } while (0) + + CALL_AND_TEST("abcd", 4, buf, 0, 0, "xxxxxxxxxx"); + + CALL_AND_TEST("abcd", 4, buf, 1, 1, ""); + + CALL_AND_TEST("abcd", 4, buf, 2, 1, ""); + + CALL_AND_TEST("abcd", 0, buf, 3, 3, "''"); + CALL_AND_TEST("abcd", 1, buf, 3, 1, ""); + CALL_AND_TEST("abcd", 2, buf, 3, 1, ""); + CALL_AND_TEST("abcd", 3, buf, 3, 1, ""); + CALL_AND_TEST("abcd", 4, buf, 3, 1, ""); + + CALL_AND_TEST("abcd", 0, buf, 4, 3, "''"); + CALL_AND_TEST("abcd", 1, buf, 4, 4, "'a'"); + CALL_AND_TEST("abcd", 2, buf, 4, 4, "'a'"); + CALL_AND_TEST("abcd", 3, buf, 4, 4, "'a'"); + CALL_AND_TEST("abcd", 4, buf, 4, 4, "'a'"); + CALL_AND_TEST("abcde", 5, buf, 4, 4, "'a'"); + CALL_AND_TEST("'", 1, buf, 4, 3, "''"); + CALL_AND_TEST("''", 2, buf, 4, 3, "''"); + CALL_AND_TEST("a'", 2, buf, 4, 4, "'a'"); + CALL_AND_TEST("'a", 2, buf, 4, 3, "''"); + CALL_AND_TEST("ab", 2, buf, 4, 4, "'a'"); + + CALL_AND_TEST("abcdef", 0, buf, 5, 3, "''"); + CALL_AND_TEST("abcdef", 1, buf, 5, 4, "'a'"); + CALL_AND_TEST("abcdef", 2, buf, 5, 5, "'ab'"); + CALL_AND_TEST("abcdef", 3, buf, 5, 5, "'ab'"); + CALL_AND_TEST("abcdef", 4, buf, 5, 5, "'ab'"); + CALL_AND_TEST("abcdef", 5, buf, 5, 5, "'ab'"); + CALL_AND_TEST("abcdef", 6, buf, 5, 5, "'ab'"); + CALL_AND_TEST("'", 1, buf, 5, 5, "''''"); + CALL_AND_TEST("''", 2, buf, 5, 5, "''''"); + CALL_AND_TEST("a'", 2, buf, 5, 4, "'a'"); + CALL_AND_TEST("'a", 2, buf, 5, 5, "''''"); + CALL_AND_TEST("ab", 2, buf, 5, 5, "'ab'"); + CALL_AND_TEST("abc", 3, buf, 5, 5, "'ab'"); + + CALL_AND_TEST("ab", 2, buf, 6, 5, "'ab'"); + + CALL_AND_TEST("a'b'c", 5, buf, 32, 10, "'a''b''c'"); + CALL_AND_TEST("a'b'c'", 6, buf, 32, 12, "'a''b''c'''"); +} + +#endif /* UNIV_COMPILE_TEST_FUNCS */ +#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ut/ut0rbt.c b/perfschema/ut/ut0rbt.c new file mode 100644 index 00000000000..3279307308f --- /dev/null +++ b/perfschema/ut/ut0rbt.c @@ -0,0 +1,1231 @@ +/********************************************************************** +Red-Black tree implementation + +(c) 2007 Oracle/Innobase Oy + +Created 2007-03-20 Sunny Bains +***********************************************************************/ + +#include "ut0rbt.h" + +/************************************************************************ +Definition of a red-black tree +============================== + +A red-black tree is a binary search tree which has the following +red-black properties: + + 1. Every node is either red or black. + 2. Every leaf (NULL - in our case tree->nil) is black. + 3. If a node is red, then both its children are black. + 4. Every simple path from a node to a descendant leaf contains the + same number of black nodes. + + from (3) above, the implication is that on any path from the root + to a leaf, red nodes must not be adjacent. + + However, any number of black nodes may appear in a sequence. + */ + +#if defined(IB_RBT_TESTING) +#warning "Testing enabled!" +#endif + +#define ROOT(t) (t->root->left) +#define SIZEOF_NODE(t) ((sizeof(ib_rbt_node_t) + t->sizeof_value) - 1) + +/************************************************************************ +Print out the sub-tree recursively. */ +static +void +rbt_print_subtree( +/*==============*/ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + const ib_rbt_node_t* node, /*!< in: node to print */ + ib_rbt_print_node print) /*!< in: print key function */ +{ + /* FIXME: Doesn't do anything yet */ + if (node != tree->nil) { + print(node); + rbt_print_subtree(tree, node->left, print); + rbt_print_subtree(tree, node->right, print); + } +} + +/************************************************************************ +Verify that the keys are in order. +@return TRUE of OK. FALSE if not ordered */ +static +ibool +rbt_check_ordering( +/*===============*/ + const ib_rbt_t* tree) /*!< in: tree to verfify */ +{ + const ib_rbt_node_t* node; + const ib_rbt_node_t* prev = NULL; + + /* Iterate over all the nodes, comparing each node with the prev */ + for (node = rbt_first(tree); node; node = rbt_next(tree, prev)) { + + if (prev && tree->compare(prev->value, node->value) >= 0) { + return(FALSE); + } + + prev = node; + } + + return(TRUE); +} + +/************************************************************************ +Check that every path from the root to the leaves has the same count. +Count is expressed in the number of black nodes. +@return 0 on failure else black height of the subtree */ +static +ibool +rbt_count_black_nodes( +/*==================*/ + const ib_rbt_t* tree, /*!< in: tree to verify */ + const ib_rbt_node_t* node) /*!< in: start of sub-tree */ +{ + ulint result; + + if (node != tree->nil) { + ulint left_height = rbt_count_black_nodes(tree, node->left); + + ulint right_height = rbt_count_black_nodes(tree, node->right); + + if (left_height == 0 + || right_height == 0 + || left_height != right_height) { + + result = 0; + } else if (node->color == IB_RBT_RED) { + + /* Case 3 */ + if (node->left->color != IB_RBT_BLACK + || node->right->color != IB_RBT_BLACK) { + + result = 0; + } else { + result = left_height; + } + /* Check if it's anything other than RED or BLACK. */ + } else if (node->color != IB_RBT_BLACK) { + + result = 0; + } else { + + result = right_height + 1; + } + } else { + result = 1; + } + + return(result); +} + +/************************************************************************ +Turn the node's right child's left sub-tree into node's right sub-tree. +This will also make node's right child it's parent. */ +static +void +rbt_rotate_left( +/*============*/ + const ib_rbt_node_t* nil, /*!< in: nil node of the tree */ + ib_rbt_node_t* node) /*!< in: node to rotate */ +{ + ib_rbt_node_t* right = node->right; + + node->right = right->left; + + if (right->left != nil) { + right->left->parent = node; + } + + /* Right's new parent was node's parent. */ + right->parent = node->parent; + + /* Since root's parent is tree->nil and root->parent->left points + back to root, we can avoid the check. */ + if (node == node->parent->left) { + /* Node was on the left of its parent. */ + node->parent->left = right; + } else { + /* Node must have been on the right. */ + node->parent->right = right; + } + + /* Finally, put node on right's left. */ + right->left = node; + node->parent = right; +} + +/************************************************************************ +Turn the node's left child's right sub-tree into node's left sub-tree. +This also make node's left child it's parent. */ +static +void +rbt_rotate_right( +/*=============*/ + const ib_rbt_node_t* nil, /*!< in: nil node of tree */ + ib_rbt_node_t* node) /*!< in: node to rotate */ +{ + ib_rbt_node_t* left = node->left; + + node->left = left->right; + + if (left->right != nil) { + left->right->parent = node; + } + + /* Left's new parent was node's parent. */ + left->parent = node->parent; + + /* Since root's parent is tree->nil and root->parent->left points + back to root, we can avoid the check. */ + if (node == node->parent->right) { + /* Node was on the left of its parent. */ + node->parent->right = left; + } else { + /* Node must have been on the left. */ + node->parent->left = left; + } + + /* Finally, put node on left's right. */ + left->right = node; + node->parent = left; +} + +/************************************************************************ +Append a node to the tree. */ +static +ib_rbt_node_t* +rbt_tree_add_child( +/*===============*/ + const ib_rbt_t* tree, + ib_rbt_bound_t* parent, + ib_rbt_node_t* node) +{ + /* Cast away the const. */ + ib_rbt_node_t* last = (ib_rbt_node_t*) parent->last; + + if (last == tree->root || parent->result < 0) { + last->left = node; + } else { + /* FIXME: We don't handle duplicates (yet)! */ + ut_a(parent->result != 0); + + last->right = node; + } + + node->parent = last; + + return(node); +} + +/************************************************************************ +Generic binary tree insert */ +static +ib_rbt_node_t* +rbt_tree_insert( +/*============*/ + ib_rbt_t* tree, + const void* key, + ib_rbt_node_t* node) +{ + ib_rbt_bound_t parent; + ib_rbt_node_t* current = ROOT(tree); + + parent.result = 0; + parent.last = tree->root; + + /* Regular binary search. */ + while (current != tree->nil) { + + parent.last = current; + parent.result = tree->compare(key, current->value); + + if (parent.result < 0) { + current = current->left; + } else { + current = current->right; + } + } + + ut_a(current == tree->nil); + + rbt_tree_add_child(tree, &parent, node); + + return(node); +} + +/************************************************************************ +Balance a tree after inserting a node. */ +static +void +rbt_balance_tree( +/*=============*/ + const ib_rbt_t* tree, /*!< in: tree to balance */ + ib_rbt_node_t* node) /*!< in: node that was inserted */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* parent = node->parent; + + /* Restore the red-black property. */ + node->color = IB_RBT_RED; + + while (node != ROOT(tree) && parent->color == IB_RBT_RED) { + ib_rbt_node_t* grand_parent = parent->parent; + + if (parent == grand_parent->left) { + ib_rbt_node_t* uncle = grand_parent->right; + + if (uncle->color == IB_RBT_RED) { + + /* Case 1 - change the colors. */ + uncle->color = IB_RBT_BLACK; + parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + /* Move node up the tree. */ + node = grand_parent; + + } else { + + if (node == parent->right) { + /* Right is a black node and node is + to the right, case 2 - move node + up and rotate. */ + node = parent; + rbt_rotate_left(nil, node); + } + + grand_parent = node->parent->parent; + + /* Case 3. */ + node->parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + rbt_rotate_right(nil, grand_parent); + } + + } else { + ib_rbt_node_t* uncle = grand_parent->left; + + if (uncle->color == IB_RBT_RED) { + + /* Case 1 - change the colors. */ + uncle->color = IB_RBT_BLACK; + parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + /* Move node up the tree. */ + node = grand_parent; + + } else { + + if (node == parent->left) { + /* Left is a black node and node is to + the right, case 2 - move node up and + rotate. */ + node = parent; + rbt_rotate_right(nil, node); + } + + grand_parent = node->parent->parent; + + /* Case 3. */ + node->parent->color = IB_RBT_BLACK; + grand_parent->color = IB_RBT_RED; + + rbt_rotate_left(nil, grand_parent); + } + } + + parent = node->parent; + } + + /* Color the root black. */ + ROOT(tree)->color = IB_RBT_BLACK; +} + +/************************************************************************ +Find the given node's successor. +@return successor node or NULL if no successor */ +static +ib_rbt_node_t* +rbt_find_successor( +/*===============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: this is declared const + because it can be called via + rbt_next() */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* next = current->right; + + /* Is there a sub-tree to the right that we can follow. */ + if (next != nil) { + + /* Follow the left most links of the current right child. */ + while (next->left != nil) { + next = next->left; + } + + } else { /* We will have to go up the tree to find the successor. */ + ib_rbt_node_t* parent = current->parent; + + /* Cast away the const. */ + next = (ib_rbt_node_t*) current; + + while (parent != tree->root && next == parent->right) { + next = parent; + parent = next->parent; + } + + next = (parent == tree->root) ? NULL : parent; + } + + return(next); +} + +/************************************************************************ +Find the given node's precedecessor. +@return predecessor node or NULL if no predecesor */ +static +ib_rbt_node_t* +rbt_find_predecessor( +/*=================*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: this is declared const + because it can be called via + rbt_prev() */ +{ + const ib_rbt_node_t* nil = tree->nil; + ib_rbt_node_t* prev = current->left; + + /* Is there a sub-tree to the left that we can follow. */ + if (prev != nil) { + + /* Follow the right most links of the current left child. */ + while (prev->right != nil) { + prev = prev->right; + } + + } else { /* We will have to go up the tree to find the precedecessor. */ + ib_rbt_node_t* parent = current->parent; + + /* Cast away the const. */ + prev = (ib_rbt_node_t*)current; + + while (parent != tree->root && prev == parent->left) { + prev = parent; + parent = prev->parent; + } + + prev = (parent == tree->root) ? NULL : parent; + } + + return(prev); +} + +/************************************************************************ +Replace node with child. After applying transformations eject becomes +an orphan. */ +static +void +rbt_eject_node( +/*===========*/ + ib_rbt_node_t* eject, /*!< in: node to eject */ + ib_rbt_node_t* node) /*!< in: node to replace with */ +{ + /* Update the to be ejected node's parent's child pointers. */ + if (eject->parent->left == eject) { + eject->parent->left = node; + } else if (eject->parent->right == eject) { + eject->parent->right = node; + } else { + ut_a(0); + } + /* eject is now an orphan but otherwise its pointers + and color are left intact. */ + + node->parent = eject->parent; +} + +/************************************************************************ +Replace a node with another node. */ +static +void +rbt_replace_node( +/*=============*/ + ib_rbt_node_t* replace, /*!< in: node to replace */ + ib_rbt_node_t* node) /*!< in: node to replace with */ +{ + ib_rbt_color_t color = node->color; + + /* Update the node pointers. */ + node->left = replace->left; + node->right = replace->right; + + /* Update the child node pointers. */ + node->left->parent = node; + node->right->parent = node; + + /* Make the parent of replace point to node. */ + rbt_eject_node(replace, node); + + /* Swap the colors. */ + node->color = replace->color; + replace->color = color; +} + +/************************************************************************ +Detach node from the tree replacing it with one of it's children. +@return the child node that now occupies the position of the detached node */ +static +ib_rbt_node_t* +rbt_detach_node( +/*============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_node_t* node) /*!< in: node to detach */ +{ + ib_rbt_node_t* child; + const ib_rbt_node_t* nil = tree->nil; + + if (node->left != nil && node->right != nil) { + /* Case where the node to be deleted has two children. */ + ib_rbt_node_t* successor = rbt_find_successor(tree, node); + + ut_a(successor != nil); + ut_a(successor->parent != nil); + ut_a(successor->left == nil); + + child = successor->right; + + /* Remove the successor node and replace with its child. */ + rbt_eject_node(successor, child); + + /* Replace the node to delete with its successor node. */ + rbt_replace_node(node, successor); + } else { + ut_a(node->left == nil || node->right == nil); + + child = (node->left != nil) ? node->left : node->right; + + /* Replace the node to delete with one of it's children. */ + rbt_eject_node(node, child); + } + + /* Reset the node links. */ + node->parent = node->right = node->left = tree->nil; + + return(child); +} + +/************************************************************************ +Rebalance the right sub-tree after deletion. +@return node to rebalance if more rebalancing required else NULL */ +static +ib_rbt_node_t* +rbt_balance_right( +/*==============*/ + const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ + ib_rbt_node_t* parent, /*!< in: parent node */ + ib_rbt_node_t* sibling) /*!< in: sibling node */ +{ + ib_rbt_node_t* node = NULL; + + ut_a(sibling != nil); + + /* Case 3. */ + if (sibling->color == IB_RBT_RED) { + + parent->color = IB_RBT_RED; + sibling->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, parent); + + sibling = parent->right; + + ut_a(sibling != nil); + } + + /* Since this will violate case 3 because of the change above. */ + if (sibling->left->color == IB_RBT_BLACK + && sibling->right->color == IB_RBT_BLACK) { + + node = parent; /* Parent needs to be rebalanced too. */ + sibling->color = IB_RBT_RED; + + } else { + if (sibling->right->color == IB_RBT_BLACK) { + + ut_a(sibling->left->color == IB_RBT_RED); + + sibling->color = IB_RBT_RED; + sibling->left->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, sibling); + + sibling = parent->right; + ut_a(sibling != nil); + } + + sibling->color = parent->color; + sibling->right->color = IB_RBT_BLACK; + + parent->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, parent); + } + + return(node); +} + +/************************************************************************ +Rebalance the left sub-tree after deletion. +@return node to rebalance if more rebalancing required else NULL */ +static +ib_rbt_node_t* +rbt_balance_left( +/*=============*/ + const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ + ib_rbt_node_t* parent, /*!< in: parent node */ + ib_rbt_node_t* sibling) /*!< in: sibling node */ +{ + ib_rbt_node_t* node = NULL; + + ut_a(sibling != nil); + + /* Case 3. */ + if (sibling->color == IB_RBT_RED) { + + parent->color = IB_RBT_RED; + sibling->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, parent); + sibling = parent->left; + + ut_a(sibling != nil); + } + + /* Since this will violate case 3 because of the change above. */ + if (sibling->right->color == IB_RBT_BLACK + && sibling->left->color == IB_RBT_BLACK) { + + node = parent; /* Parent needs to be rebalanced too. */ + sibling->color = IB_RBT_RED; + + } else { + if (sibling->left->color == IB_RBT_BLACK) { + + ut_a(sibling->right->color == IB_RBT_RED); + + sibling->color = IB_RBT_RED; + sibling->right->color = IB_RBT_BLACK; + + rbt_rotate_left(nil, sibling); + + sibling = parent->left; + + ut_a(sibling != nil); + } + + sibling->color = parent->color; + sibling->left->color = IB_RBT_BLACK; + + parent->color = IB_RBT_BLACK; + + rbt_rotate_right(nil, parent); + } + + return(node); +} + +/************************************************************************ +Delete the node and rebalance the tree if necessary */ +static +void +rbt_remove_node_and_rebalance( +/*==========================*/ + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_node_t* node) /*!< in: node to remove */ +{ + /* Detach node and get the node that will be used + as rebalance start. */ + ib_rbt_node_t* child = rbt_detach_node(tree, node); + + if (node->color == IB_RBT_BLACK) { + ib_rbt_node_t* last = child; + + ROOT(tree)->color = IB_RBT_RED; + + while (child && child->color == IB_RBT_BLACK) { + ib_rbt_node_t* parent = child->parent; + + /* Did the deletion cause an imbalance in the + parents left sub-tree. */ + if (parent->left == child) { + + child = rbt_balance_right( + tree->nil, parent, parent->right); + + } else if (parent->right == child) { + + child = rbt_balance_left( + tree->nil, parent, parent->left); + + } else { + ut_error; + } + + if (child) { + last = child; + } + } + + ut_a(last); + + last->color = IB_RBT_BLACK; + ROOT(tree)->color = IB_RBT_BLACK; + } + + /* Note that we have removed a node from the tree. */ + --tree->n_nodes; +} + +/************************************************************************ +Recursively free the nodes. */ +static +void +rbt_free_node( +/*==========*/ + ib_rbt_node_t* node, /*!< in: node to free */ + ib_rbt_node_t* nil) /*!< in: rb tree nil node */ +{ + if (node != nil) { + rbt_free_node(node->left, nil); + rbt_free_node(node->right, nil); + + ut_free(node); + } +} + +/************************************************************************ +Free all the nodes and free the tree. */ +UNIV_INTERN +void +rbt_free( +/*=====*/ + ib_rbt_t* tree) /*!< in: rb tree to free */ +{ + rbt_free_node(tree->root, tree->nil); + ut_free(tree->nil); + ut_free(tree); +} + +/************************************************************************ +Create an instance of a red black tree. +@return an empty rb tree */ +UNIV_INTERN +ib_rbt_t* +rbt_create( +/*=======*/ + size_t sizeof_value, /*!< in: sizeof data item */ + ib_rbt_compare compare) /*!< in: fn to compare items */ +{ + ib_rbt_t* tree; + ib_rbt_node_t* node; + + tree = (ib_rbt_t*) ut_malloc(sizeof(*tree)); + memset(tree, 0, sizeof(*tree)); + + tree->sizeof_value = sizeof_value; + + /* Create the sentinel (NIL) node. */ + node = tree->nil = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); + memset(node, 0, sizeof(*node)); + + node->color = IB_RBT_BLACK; + node->parent = node->left = node->right = node; + + /* Create the "fake" root, the real root node will be the + left child of this node. */ + node = tree->root = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); + memset(node, 0, sizeof(*node)); + + node->color = IB_RBT_BLACK; + node->parent = node->left = node->right = tree->nil; + + tree->compare = compare; + + return(tree); +} + +/************************************************************************ +Generic insert of a value in the rb tree. +@return inserted node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_insert( +/*=======*/ + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key, /*!< in: key for ordering */ + const void* value) /*!< in: value of key, this value + is copied to the node */ +{ + ib_rbt_node_t* node; + + /* Create the node that will hold the value data. */ + node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); + + memcpy(node->value, value, tree->sizeof_value); + node->parent = node->left = node->right = tree->nil; + + /* Insert in the tree in the usual way. */ + rbt_tree_insert(tree, key, node); + rbt_balance_tree(tree, node); + + ++tree->n_nodes; + + return(node); +} + +/************************************************************************ +Add a new node to the tree, useful for data that is pre-sorted. +@return appended node */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_add_node( +/*=========*/ + ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: bounds */ + const void* value) /*!< in: this value is copied + to the node */ +{ + ib_rbt_node_t* node; + + /* Create the node that will hold the value data */ + node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); + + memcpy(node->value, value, tree->sizeof_value); + node->parent = node->left = node->right = tree->nil; + + /* If tree is empty */ + if (parent->last == NULL) { + parent->last = tree->root; + } + + /* Append the node, the hope here is that the caller knows + what s/he is doing. */ + rbt_tree_add_child(tree, parent, node); + rbt_balance_tree(tree, node); + + ++tree->n_nodes; + +#if defined(IB_RBT_TESTING) + ut_a(rbt_validate(tree)); +#endif + return(node); +} + +/************************************************************************ +Find a matching node in the rb tree. +@return NULL if not found else the node where key was found */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_lookup( +/*=======*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to use for search */ +{ + const ib_rbt_node_t* current = ROOT(tree); + + /* Regular binary search. */ + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result < 0) { + current = current->left; + } else if (result > 0) { + current = current->right; + } else { + break; + } + } + + return(current != tree->nil ? current : NULL); +} + +/************************************************************************ +Delete a node indentified by key. +@return TRUE if success FALSE if not found */ +UNIV_INTERN +ibool +rbt_delete( +/*=======*/ + ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to delete */ +{ + ibool deleted = FALSE; + ib_rbt_node_t* node = (ib_rbt_node_t*) rbt_lookup(tree, key); + + if (node) { + rbt_remove_node_and_rebalance(tree, node); + + ut_free(node); + deleted = TRUE; + } + + return(deleted); +} + +/************************************************************************ +Remove a node from the rb tree, the node is not free'd, that is the +callers responsibility. +@return deleted node but without the const */ +UNIV_INTERN +ib_rbt_node_t* +rbt_remove_node( +/*============*/ + ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* const_node) /*!< in: node to delete, this + is a fudge and declared const + because the caller can access + only const nodes */ +{ + /* Cast away the const. */ + rbt_remove_node_and_rebalance(tree, (ib_rbt_node_t*) const_node); + + /* This is to make it easier to do something like this: + ut_free(rbt_remove_node(node)); + */ + + return((ib_rbt_node_t*) const_node); +} + +/************************************************************************ +Find the node that has the lowest key that is >= key. +@return node satisfying the lower bound constraint or NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_lower_bound( +/*============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to search */ +{ + ib_rbt_node_t* lb_node = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result > 0) { + + current = current->right; + + } else if (result < 0) { + + lb_node = current; + current = current->left; + + } else { + lb_node = current; + break; + } + } + + return(lb_node); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. +@return node satisfying the upper bound constraint or NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_upper_bound( +/*============*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const void* key) /*!< in: key to search */ +{ + ib_rbt_node_t* ub_node = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + int result = tree->compare(key, current->value); + + if (result > 0) { + + ub_node = current; + current = current->right; + + } else if (result < 0) { + + current = current->left; + + } else { + ub_node = current; + break; + } + } + + return(ub_node); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. +@return value of result */ +UNIV_INTERN +int +rbt_search( +/*=======*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key) /*!< in: key to search */ +{ + ib_rbt_node_t* current = ROOT(tree); + + /* Every thing is greater than the NULL root. */ + parent->result = 1; + parent->last = NULL; + + while (current != tree->nil) { + + parent->last = current; + parent->result = tree->compare(key, current->value); + + if (parent->result > 0) { + current = current->right; + } else if (parent->result < 0) { + current = current->left; + } else { + break; + } + } + + return(parent->result); +} + +/************************************************************************ +Find the node that has the greatest key that is <= key. But use the +supplied comparison function. +@return value of result */ +UNIV_INTERN +int +rbt_search_cmp( +/*===========*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + ib_rbt_bound_t* parent, /*!< in: search bounds */ + const void* key, /*!< in: key to search */ + ib_rbt_compare compare) /*!< in: fn to compare items */ +{ + ib_rbt_node_t* current = ROOT(tree); + + /* Every thing is greater than the NULL root. */ + parent->result = 1; + parent->last = NULL; + + while (current != tree->nil) { + + parent->last = current; + parent->result = compare(key, current->value); + + if (parent->result > 0) { + current = current->right; + } else if (parent->result < 0) { + current = current->left; + } else { + break; + } + } + + return(parent->result); +} + +/************************************************************************ +Return the left most node in the tree. */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_first( +/*======*/ + /* out leftmost node or NULL */ + const ib_rbt_t* tree) /* in: rb tree */ +{ + ib_rbt_node_t* first = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + first = current; + current = current->left; + } + + return(first); +} + +/************************************************************************ +Return the right most node in the tree. +@return the rightmost node or NULL */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_last( +/*=====*/ + const ib_rbt_t* tree) /*!< in: rb tree */ +{ + ib_rbt_node_t* last = NULL; + ib_rbt_node_t* current = ROOT(tree); + + while (current != tree->nil) { + last = current; + current = current->right; + } + + return(last); +} + +/************************************************************************ +Return the next node. +@return node next from current */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_next( +/*=====*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: current node */ +{ + return(current ? rbt_find_successor(tree, current) : NULL); +} + +/************************************************************************ +Return the previous node. +@return node prev from current */ +UNIV_INTERN +const ib_rbt_node_t* +rbt_prev( +/*=====*/ + const ib_rbt_t* tree, /*!< in: rb tree */ + const ib_rbt_node_t* current) /*!< in: current node */ +{ + return(current ? rbt_find_predecessor(tree, current) : NULL); +} + +/************************************************************************ +Reset the tree. Delete all the nodes. */ +UNIV_INTERN +void +rbt_clear( +/*======*/ + ib_rbt_t* tree) /*!< in: rb tree */ +{ + rbt_free_node(ROOT(tree), tree->nil); + + tree->n_nodes = 0; + tree->root->left = tree->root->right = tree->nil; +} + +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +@return no. of recs merged */ +UNIV_INTERN +ulint +rbt_merge_uniq( +/*===========*/ + ib_rbt_t* dst, /*!< in: dst rb tree */ + const ib_rbt_t* src) /*!< in: src rb tree */ +{ + ib_rbt_bound_t parent; + ulint n_merged = 0; + const ib_rbt_node_t* src_node = rbt_first(src); + + if (rbt_empty(src) || dst == src) { + return(0); + } + + for (/* No op */; src_node; src_node = rbt_next(src, src_node)) { + + if (rbt_search(dst, &parent, src_node->value) != 0) { + rbt_add_node(dst, &parent, src_node->value); + ++n_merged; + } + } + + return(n_merged); +} + +/************************************************************************ +Merge the node from dst into src. Return the number of nodes merged. +Delete the nodes from src after copying node to dst. As a side effect +the duplicates will be left untouched in the src. +@return no. of recs merged */ +UNIV_INTERN +ulint +rbt_merge_uniq_destructive( +/*=======================*/ + ib_rbt_t* dst, /*!< in: dst rb tree */ + ib_rbt_t* src) /*!< in: src rb tree */ +{ + ib_rbt_bound_t parent; + ib_rbt_node_t* src_node; + ulint old_size = rbt_size(dst); + + if (rbt_empty(src) || dst == src) { + return(0); + } + + for (src_node = (ib_rbt_node_t*) rbt_first(src); src_node; /* */) { + ib_rbt_node_t* prev = src_node; + + src_node = (ib_rbt_node_t*)rbt_next(src, prev); + + /* Skip duplicates. */ + if (rbt_search(dst, &parent, prev->value) != 0) { + + /* Remove and reset the node but preserve + the node (data) value. */ + rbt_remove_node_and_rebalance(src, prev); + + /* The nil should be taken from the dst tree. */ + prev->parent = prev->left = prev->right = dst->nil; + rbt_tree_add_child(dst, &parent, prev); + rbt_balance_tree(dst, prev); + + ++dst->n_nodes; + } + } + +#if defined(IB_RBT_TESTING) + ut_a(rbt_validate(dst)); + ut_a(rbt_validate(src)); +#endif + return(rbt_size(dst) - old_size); +} + +/************************************************************************ +Check that every path from the root to the leaves has the same count and +the tree nodes are in order. +@return TRUE if OK FALSE otherwise */ +UNIV_INTERN +ibool +rbt_validate( +/*=========*/ + const ib_rbt_t* tree) /*!< in: RB tree to validate */ +{ + if (rbt_count_black_nodes(tree, ROOT(tree)) > 0) { + return(rbt_check_ordering(tree)); + } + + return(FALSE); +} + +/************************************************************************ +Iterate over the tree in depth first order. */ +UNIV_INTERN +void +rbt_print( +/*======*/ + const ib_rbt_t* tree, /*!< in: tree to traverse */ + ib_rbt_print_node print) /*!< in: print function */ +{ + rbt_print_subtree(tree, ROOT(tree), print); +} diff --git a/perfschema/ut/ut0rnd.c b/perfschema/ut/ut0rnd.c new file mode 100644 index 00000000000..cefd0990ecc --- /dev/null +++ b/perfschema/ut/ut0rnd.c @@ -0,0 +1,97 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************//** +@file ut/ut0rnd.c +Random numbers and hashing + +Created 5/11/1994 Heikki Tuuri +********************************************************************/ + +#include "ut0rnd.h" + +#ifdef UNIV_NONINL +#include "ut0rnd.ic" +#endif + +/** These random numbers are used in ut_find_prime */ +/*@{*/ +#define UT_RANDOM_1 1.0412321 +#define UT_RANDOM_2 1.1131347 +#define UT_RANDOM_3 1.0132677 +/*@}*/ + +/** Seed value of ut_rnd_gen_ulint(). */ +UNIV_INTERN ulint ut_rnd_ulint_counter = 65654363; + +/***********************************************************//** +Looks for a prime number slightly greater than the given argument. +The prime is chosen so that it is not near any power of 2. +@return prime */ +UNIV_INTERN +ulint +ut_find_prime( +/*==========*/ + ulint n) /*!< in: positive number > 100 */ +{ + ulint pow2; + ulint i; + + n += 100; + + pow2 = 1; + while (pow2 * 2 < n) { + pow2 = 2 * pow2; + } + + if ((double)n < 1.05 * (double)pow2) { + n = (ulint) ((double)n * UT_RANDOM_1); + } + + pow2 = 2 * pow2; + + if ((double)n > 0.95 * (double)pow2) { + n = (ulint) ((double)n * UT_RANDOM_2); + } + + if (n > pow2 - 20) { + n += 30; + } + + /* Now we have n far enough from powers of 2. To make + n more random (especially, if it was not near + a power of 2), we then multiply it by a random number. */ + + n = (ulint) ((double)n * UT_RANDOM_3); + + for (;; n++) { + i = 2; + while (i * i <= n) { + if (n % i == 0) { + goto next_n; + } + i++; + } + + /* Found a prime */ + break; +next_n: ; + } + + return(n); +} diff --git a/perfschema/ut/ut0ut.c b/perfschema/ut/ut0ut.c new file mode 100644 index 00000000000..498873e290a --- /dev/null +++ b/perfschema/ut/ut0ut.c @@ -0,0 +1,625 @@ +/***************************************************************************** + +Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Sun Microsystems, Inc. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/***************************************************************//** +@file ut/ut0ut.c +Various utilities for Innobase. + +Created 5/11/1994 Heikki Tuuri +********************************************************************/ + +#include "ut0ut.h" + +#ifdef UNIV_NONINL +#include "ut0ut.ic" +#endif + +#include +#include +#include + +#ifndef UNIV_HOTBACKUP +# include "trx0trx.h" +# include "ha_prototypes.h" +# include "mysql_com.h" /* NAME_LEN */ +#endif /* UNIV_HOTBACKUP */ + +/** A constant to prevent the compiler from optimizing ut_delay() away. */ +UNIV_INTERN ibool ut_always_false = FALSE; + +#ifdef __WIN__ +/*****************************************************************//** +NOTE: The Windows epoch starts from 1601/01/01 whereas the Unix +epoch starts from 1970/1/1. For selection of constant see: +http://support.microsoft.com/kb/167296/ */ +#define WIN_TO_UNIX_DELTA_USEC ((ib_int64_t) 11644473600000000ULL) + + +/*****************************************************************//** +This is the Windows version of gettimeofday(2). +@return 0 if all OK else -1 */ +static +int +ut_gettimeofday( +/*============*/ + struct timeval* tv, /*!< out: Values are relative to Unix epoch */ + void* tz) /*!< in: not used */ +{ + FILETIME ft; + ib_int64_t tm; + + if (!tv) { + errno = EINVAL; + return(-1); + } + + GetSystemTimeAsFileTime(&ft); + + tm = (ib_int64_t) ft.dwHighDateTime << 32; + tm |= ft.dwLowDateTime; + + ut_a(tm >= 0); /* If tm wraps over to negative, the quotient / 10 + does not work */ + + tm /= 10; /* Convert from 100 nsec periods to usec */ + + /* If we don't convert to the Unix epoch the value for + struct timeval::tv_sec will overflow.*/ + tm -= WIN_TO_UNIX_DELTA_USEC; + + tv->tv_sec = (long) (tm / 1000000L); + tv->tv_usec = (long) (tm % 1000000L); + + return(0); +} +#else +/** An alias for gettimeofday(2). On Microsoft Windows, we have to +reimplement this function. */ +#define ut_gettimeofday gettimeofday +#endif + +/********************************************************//** +Gets the high 32 bits in a ulint. That is makes a shift >> 32, +but since there seem to be compiler bugs in both gcc and Visual C++, +we do this by a special conversion. +@return a >> 32 */ +UNIV_INTERN +ulint +ut_get_high32( +/*==========*/ + ulint a) /*!< in: ulint */ +{ + ib_int64_t i; + + i = (ib_int64_t)a; + + i = i >> 32; + + return((ulint)i); +} + +/**********************************************************//** +Returns system time. We do not specify the format of the time returned: +the only way to manipulate it is to use the function ut_difftime. +@return system time */ +UNIV_INTERN +ib_time_t +ut_time(void) +/*=========*/ +{ + return(time(NULL)); +} + +#ifndef UNIV_HOTBACKUP +/**********************************************************//** +Returns system time. +Upon successful completion, the value 0 is returned; otherwise the +value -1 is returned and the global variable errno is set to indicate the +error. +@return 0 on success, -1 otherwise */ +UNIV_INTERN +int +ut_usectime( +/*========*/ + ulint* sec, /*!< out: seconds since the Epoch */ + ulint* ms) /*!< out: microseconds since the Epoch+*sec */ +{ + struct timeval tv; + int ret; + int errno_gettimeofday; + int i; + + for (i = 0; i < 10; i++) { + + ret = ut_gettimeofday(&tv, NULL); + + if (ret == -1) { + errno_gettimeofday = errno; + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: gettimeofday(): %s\n", + strerror(errno_gettimeofday)); + os_thread_sleep(100000); /* 0.1 sec */ + errno = errno_gettimeofday; + } else { + break; + } + } + + if (ret != -1) { + *sec = (ulint) tv.tv_sec; + *ms = (ulint) tv.tv_usec; + } + + return(ret); +} + +/**********************************************************//** +Returns the number of microseconds since epoch. Similar to +time(3), the return value is also stored in *tloc, provided +that tloc is non-NULL. +@return us since epoch */ +UNIV_INTERN +ullint +ut_time_us( +/*=======*/ + ullint* tloc) /*!< out: us since epoch, if non-NULL */ +{ + struct timeval tv; + ullint us; + + ut_gettimeofday(&tv, NULL); + + us = (ullint) tv.tv_sec * 1000000 + tv.tv_usec; + + if (tloc != NULL) { + *tloc = us; + } + + return(us); +} + +/**********************************************************//** +Returns the number of milliseconds since some epoch. The +value may wrap around. It should only be used for heuristic +purposes. +@return ms since epoch */ +UNIV_INTERN +ulint +ut_time_ms(void) +/*============*/ +{ + struct timeval tv; + + ut_gettimeofday(&tv, NULL); + + return((ulint) tv.tv_sec * 1000 + tv.tv_usec / 1000); +} +#endif /* !UNIV_HOTBACKUP */ + +/**********************************************************//** +Returns the difference of two times in seconds. +@return time2 - time1 expressed in seconds */ +UNIV_INTERN +double +ut_difftime( +/*========*/ + ib_time_t time2, /*!< in: time */ + ib_time_t time1) /*!< in: time */ +{ + return(difftime(time2, time1)); +} + +/**********************************************************//** +Prints a timestamp to a file. */ +UNIV_INTERN +void +ut_print_timestamp( +/*===============*/ + FILE* file) /*!< in: file where to print */ +{ +#ifdef __WIN__ + SYSTEMTIME cal_tm; + + GetLocalTime(&cal_tm); + + fprintf(file,"%02d%02d%02d %2d:%02d:%02d", + (int)cal_tm.wYear % 100, + (int)cal_tm.wMonth, + (int)cal_tm.wDay, + (int)cal_tm.wHour, + (int)cal_tm.wMinute, + (int)cal_tm.wSecond); +#else + struct tm cal_tm; + struct tm* cal_tm_ptr; + time_t tm; + + time(&tm); + +#ifdef HAVE_LOCALTIME_R + localtime_r(&tm, &cal_tm); + cal_tm_ptr = &cal_tm; +#else + cal_tm_ptr = localtime(&tm); +#endif + fprintf(file,"%02d%02d%02d %2d:%02d:%02d", + cal_tm_ptr->tm_year % 100, + cal_tm_ptr->tm_mon + 1, + cal_tm_ptr->tm_mday, + cal_tm_ptr->tm_hour, + cal_tm_ptr->tm_min, + cal_tm_ptr->tm_sec); +#endif +} + +/**********************************************************//** +Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ +UNIV_INTERN +void +ut_sprintf_timestamp( +/*=================*/ + char* buf) /*!< in: buffer where to sprintf */ +{ +#ifdef __WIN__ + SYSTEMTIME cal_tm; + + GetLocalTime(&cal_tm); + + sprintf(buf, "%02d%02d%02d %2d:%02d:%02d", + (int)cal_tm.wYear % 100, + (int)cal_tm.wMonth, + (int)cal_tm.wDay, + (int)cal_tm.wHour, + (int)cal_tm.wMinute, + (int)cal_tm.wSecond); +#else + struct tm cal_tm; + struct tm* cal_tm_ptr; + time_t tm; + + time(&tm); + +#ifdef HAVE_LOCALTIME_R + localtime_r(&tm, &cal_tm); + cal_tm_ptr = &cal_tm; +#else + cal_tm_ptr = localtime(&tm); +#endif + sprintf(buf, "%02d%02d%02d %2d:%02d:%02d", + cal_tm_ptr->tm_year % 100, + cal_tm_ptr->tm_mon + 1, + cal_tm_ptr->tm_mday, + cal_tm_ptr->tm_hour, + cal_tm_ptr->tm_min, + cal_tm_ptr->tm_sec); +#endif +} + +#ifdef UNIV_HOTBACKUP +/**********************************************************//** +Sprintfs a timestamp to a buffer with no spaces and with ':' characters +replaced by '_'. */ +UNIV_INTERN +void +ut_sprintf_timestamp_without_extra_chars( +/*=====================================*/ + char* buf) /*!< in: buffer where to sprintf */ +{ +#ifdef __WIN__ + SYSTEMTIME cal_tm; + + GetLocalTime(&cal_tm); + + sprintf(buf, "%02d%02d%02d_%2d_%02d_%02d", + (int)cal_tm.wYear % 100, + (int)cal_tm.wMonth, + (int)cal_tm.wDay, + (int)cal_tm.wHour, + (int)cal_tm.wMinute, + (int)cal_tm.wSecond); +#else + struct tm cal_tm; + struct tm* cal_tm_ptr; + time_t tm; + + time(&tm); + +#ifdef HAVE_LOCALTIME_R + localtime_r(&tm, &cal_tm); + cal_tm_ptr = &cal_tm; +#else + cal_tm_ptr = localtime(&tm); +#endif + sprintf(buf, "%02d%02d%02d_%2d_%02d_%02d", + cal_tm_ptr->tm_year % 100, + cal_tm_ptr->tm_mon + 1, + cal_tm_ptr->tm_mday, + cal_tm_ptr->tm_hour, + cal_tm_ptr->tm_min, + cal_tm_ptr->tm_sec); +#endif +} + +/**********************************************************//** +Returns current year, month, day. */ +UNIV_INTERN +void +ut_get_year_month_day( +/*==================*/ + ulint* year, /*!< out: current year */ + ulint* month, /*!< out: month */ + ulint* day) /*!< out: day */ +{ +#ifdef __WIN__ + SYSTEMTIME cal_tm; + + GetLocalTime(&cal_tm); + + *year = (ulint)cal_tm.wYear; + *month = (ulint)cal_tm.wMonth; + *day = (ulint)cal_tm.wDay; +#else + struct tm cal_tm; + struct tm* cal_tm_ptr; + time_t tm; + + time(&tm); + +#ifdef HAVE_LOCALTIME_R + localtime_r(&tm, &cal_tm); + cal_tm_ptr = &cal_tm; +#else + cal_tm_ptr = localtime(&tm); +#endif + *year = (ulint)cal_tm_ptr->tm_year + 1900; + *month = (ulint)cal_tm_ptr->tm_mon + 1; + *day = (ulint)cal_tm_ptr->tm_mday; +#endif +} +#endif /* UNIV_HOTBACKUP */ + +#ifndef UNIV_HOTBACKUP +/*************************************************************//** +Runs an idle loop on CPU. The argument gives the desired delay +in microseconds on 100 MHz Pentium + Visual C++. +@return dummy value */ +UNIV_INTERN +ulint +ut_delay( +/*=====*/ + ulint delay) /*!< in: delay in microseconds on 100 MHz Pentium */ +{ + ulint i, j; + + j = 0; + + for (i = 0; i < delay * 50; i++) { + j += i; + UT_RELAX_CPU(); + } + + if (ut_always_false) { + ut_always_false = (ibool) j; + } + + return(j); +} +#endif /* !UNIV_HOTBACKUP */ + +/*************************************************************//** +Prints the contents of a memory buffer in hex and ascii. */ +UNIV_INTERN +void +ut_print_buf( +/*=========*/ + FILE* file, /*!< in: file where to print */ + const void* buf, /*!< in: memory buffer */ + ulint len) /*!< in: length of the buffer */ +{ + const byte* data; + ulint i; + + UNIV_MEM_ASSERT_RW(buf, len); + + fprintf(file, " len %lu; hex ", len); + + for (data = (const byte*)buf, i = 0; i < len; i++) { + fprintf(file, "%02lx", (ulong)*data++); + } + + fputs("; asc ", file); + + data = (const byte*)buf; + + for (i = 0; i < len; i++) { + int c = (int) *data++; + putc(isprint(c) ? c : ' ', file); + } + + putc(';', file); +} + +/*************************************************************//** +Calculates fast the number rounded up to the nearest power of 2. +@return first power of 2 which is >= n */ +UNIV_INTERN +ulint +ut_2_power_up( +/*==========*/ + ulint n) /*!< in: number != 0 */ +{ + ulint res; + + res = 1; + + ut_ad(n > 0); + + while (res < n) { + res = res * 2; + } + + return(res); +} + +/**********************************************************************//** +Outputs a NUL-terminated file name, quoted with apostrophes. */ +UNIV_INTERN +void +ut_print_filename( +/*==============*/ + FILE* f, /*!< in: output stream */ + const char* name) /*!< in: name to print */ +{ + putc('\'', f); + for (;;) { + int c = *name++; + switch (c) { + case 0: + goto done; + case '\'': + putc(c, f); + /* fall through */ + default: + putc(c, f); + } + } +done: + putc('\'', f); +} +#ifndef UNIV_HOTBACKUP +/**********************************************************************//** +Outputs a fixed-length string, quoted as an SQL identifier. +If the string contains a slash '/', the string will be +output as two identifiers separated by a period (.), +as in SQL database_name.identifier. */ +UNIV_INTERN +void +ut_print_name( +/*==========*/ + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction */ + ibool table_id,/*!< in: TRUE=print a table name, + FALSE=print other identifier */ + const char* name) /*!< in: name to print */ +{ + ut_print_namel(f, trx, table_id, name, strlen(name)); +} + +/**********************************************************************//** +Outputs a fixed-length string, quoted as an SQL identifier. +If the string contains a slash '/', the string will be +output as two identifiers separated by a period (.), +as in SQL database_name.identifier. */ +UNIV_INTERN +void +ut_print_namel( +/*===========*/ + FILE* f, /*!< in: output stream */ + trx_t* trx, /*!< in: transaction (NULL=no quotes) */ + ibool table_id,/*!< in: TRUE=print a table name, + FALSE=print other identifier */ + const char* name, /*!< in: name to print */ + ulint namelen)/*!< in: length of name */ +{ + /* 2 * NAME_LEN for database and table name, + and some slack for the #mysql50# prefix and quotes */ + char buf[3 * NAME_LEN]; + const char* bufend; + + bufend = innobase_convert_name(buf, sizeof buf, + name, namelen, + trx ? trx->mysql_thd : NULL, + table_id); + + fwrite(buf, 1, bufend - buf, f); +} + +/**********************************************************************//** +Catenate files. */ +UNIV_INTERN +void +ut_copy_file( +/*=========*/ + FILE* dest, /*!< in: output file */ + FILE* src) /*!< in: input file to be appended to output */ +{ + long len = ftell(src); + char buf[4096]; + + rewind(src); + do { + size_t maxs = len < (long) sizeof buf + ? (size_t) len + : sizeof buf; + size_t size = fread(buf, 1, maxs, src); + fwrite(buf, 1, size, dest); + len -= (long) size; + if (size < maxs) { + break; + } + } while (len > 0); +} +#endif /* !UNIV_HOTBACKUP */ + +#ifdef __WIN__ +# include +/**********************************************************************//** +A substitute for snprintf(3), formatted output conversion into +a limited buffer. +@return number of characters that would have been printed if the size +were unlimited, not including the terminating '\0'. */ +UNIV_INTERN +int +ut_snprintf( +/*========*/ + char* str, /*!< out: string */ + size_t size, /*!< in: str size */ + const char* fmt, /*!< in: format */ + ...) /*!< in: format values */ +{ + int res; + va_list ap1; + va_list ap2; + + va_start(ap1, fmt); + va_start(ap2, fmt); + + res = _vscprintf(fmt, ap1); + ut_a(res != -1); + + if (size > 0) { + _vsnprintf(str, size, fmt, ap2); + + if ((size_t) res >= size) { + str[size - 1] = '\0'; + } + } + + va_end(ap1); + va_end(ap2); + + return(res); +} +#endif /* __WIN__ */ diff --git a/perfschema/ut/ut0vec.c b/perfschema/ut/ut0vec.c new file mode 100644 index 00000000000..45f2bc9771f --- /dev/null +++ b/perfschema/ut/ut0vec.c @@ -0,0 +1,79 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/*******************************************************************//** +@file ut/ut0vec.c +A vector of pointers to data items + +Created 4/6/2006 Osku Salerma +************************************************************************/ + +#include "ut0vec.h" +#ifdef UNIV_NONINL +#include "ut0vec.ic" +#endif +#include + +/****************************************************************//** +Create a new vector with the given initial size. +@return vector */ +UNIV_INTERN +ib_vector_t* +ib_vector_create( +/*=============*/ + mem_heap_t* heap, /*!< in: heap */ + ulint size) /*!< in: initial size */ +{ + ib_vector_t* vec; + + ut_a(size > 0); + + vec = mem_heap_alloc(heap, sizeof(*vec)); + + vec->heap = heap; + vec->data = mem_heap_alloc(heap, sizeof(void*) * size); + vec->used = 0; + vec->total = size; + + return(vec); +} + +/****************************************************************//** +Push a new element to the vector, increasing its size if necessary. */ +UNIV_INTERN +void +ib_vector_push( +/*===========*/ + ib_vector_t* vec, /*!< in: vector */ + void* elem) /*!< in: data element */ +{ + if (vec->used >= vec->total) { + void** new_data; + ulint new_total = vec->total * 2; + + new_data = mem_heap_alloc(vec->heap, + sizeof(void*) * new_total); + memcpy(new_data, vec->data, sizeof(void*) * vec->total); + + vec->data = new_data; + vec->total = new_total; + } + + vec->data[vec->used] = elem; + vec->used++; +} diff --git a/perfschema/ut/ut0wqueue.c b/perfschema/ut/ut0wqueue.c new file mode 100644 index 00000000000..5220d1e17f4 --- /dev/null +++ b/perfschema/ut/ut0wqueue.c @@ -0,0 +1,118 @@ +/***************************************************************************** + +Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +#include "ut0wqueue.h" + +/*******************************************************************//** +@file ut/ut0wqueue.c +A work queue + +Created 4/26/2006 Osku Salerma +************************************************************************/ + +/****************************************************************//** +Create a new work queue. +@return work queue */ +UNIV_INTERN +ib_wqueue_t* +ib_wqueue_create(void) +/*===================*/ +{ + ib_wqueue_t* wq = mem_alloc(sizeof(ib_wqueue_t)); + + mutex_create(&wq->mutex, SYNC_WORK_QUEUE); + + wq->items = ib_list_create(); + wq->event = os_event_create(NULL); + + return(wq); +} + +/****************************************************************//** +Free a work queue. */ +UNIV_INTERN +void +ib_wqueue_free( +/*===========*/ + ib_wqueue_t* wq) /*!< in: work queue */ +{ + ut_a(!ib_list_get_first(wq->items)); + + mutex_free(&wq->mutex); + ib_list_free(wq->items); + os_event_free(wq->event); + + mem_free(wq); +} + +/****************************************************************//** +Add a work item to the queue. */ +UNIV_INTERN +void +ib_wqueue_add( +/*==========*/ + ib_wqueue_t* wq, /*!< in: work queue */ + void* item, /*!< in: work item */ + mem_heap_t* heap) /*!< in: memory heap to use for allocating the + list node */ +{ + mutex_enter(&wq->mutex); + + ib_list_add_last(wq->items, item, heap); + os_event_set(wq->event); + + mutex_exit(&wq->mutex); +} + +/****************************************************************//** +Wait for a work item to appear in the queue. +@return work item */ +UNIV_INTERN +void* +ib_wqueue_wait( +/*===========*/ + ib_wqueue_t* wq) /*!< in: work queue */ +{ + ib_list_node_t* node; + + for (;;) { + os_event_wait(wq->event); + + mutex_enter(&wq->mutex); + + node = ib_list_get_first(wq->items); + + if (node) { + ib_list_remove(wq->items, node); + + if (!ib_list_get_first(wq->items)) { + /* We must reset the event when the list + gets emptied. */ + os_event_reset(wq->event); + } + + break; + } + + mutex_exit(&wq->mutex); + } + + mutex_exit(&wq->mutex); + + return(node->data); +} From 55485e2b9230dd49534d2f056c91dd35dd2a807a Mon Sep 17 00:00:00 2001 From: jyang <> Date: Thu, 18 Mar 2010 08:18:47 +0000 Subject: [PATCH 170/400] Undo create perfschema branch under innodb+. Created the actual perfschema branch at https://svn.innodb.com/svn/innodb/branches/perfschema --- perfschema/CMakeLists.txt | 267 - perfschema/COPYING | 351 - perfschema/COPYING.Google | 30 - perfschema/COPYING.Percona | 30 - perfschema/COPYING.Sun_Microsystems | 31 - perfschema/ChangeLog | 1643 --- perfschema/Doxyfile | 1419 -- perfschema/Makefile.am | 343 - perfschema/btr/btr0btr.c | 3730 ------ perfschema/btr/btr0cur.c | 4969 ------- perfschema/btr/btr0pcur.c | 591 - perfschema/btr/btr0sea.c | 1889 --- perfschema/buf/buf0buddy.c | 696 - perfschema/buf/buf0buf.c | 4346 ------ perfschema/buf/buf0flu.c | 1824 --- perfschema/buf/buf0lru.c | 2135 --- perfschema/buf/buf0rea.c | 656 - perfschema/compile-innodb | 24 - perfschema/compile-innodb-debug | 24 - perfschema/data/data0data.c | 764 -- perfschema/data/data0type.c | 297 - perfschema/dict/dict0boot.c | 468 - perfschema/dict/dict0crea.c | 1512 --- perfschema/dict/dict0dict.c | 4854 ------- perfschema/dict/dict0load.c | 1499 --- perfschema/dict/dict0mem.c | 319 - perfschema/dyn/dyn0dyn.c | 65 - perfschema/eval/eval0eval.c | 852 -- perfschema/eval/eval0proc.c | 295 - perfschema/fil/fil0fil.c | 4824 ------- perfschema/fsp/fsp0fsp.c | 4308 ------ perfschema/fut/fut0fut.c | 31 - perfschema/fut/fut0lst.c | 530 - perfschema/ha/ha0ha.c | 441 - perfschema/ha/ha0storage.c | 184 - perfschema/ha/hash0hash.c | 174 - perfschema/ha_innodb.def | 4 - perfschema/handler/ha_innodb.cc | 10983 ---------------- perfschema/handler/ha_innodb.h | 326 - perfschema/handler/handler0alter.cc | 1234 -- perfschema/handler/i_s.cc | 1578 --- perfschema/handler/i_s.h | 37 - perfschema/handler/mysql_addons.cc | 42 - perfschema/ibuf/ibuf0ibuf.c | 4690 ------- perfschema/include/btr0btr.h | 528 - perfschema/include/btr0btr.ic | 314 - perfschema/include/btr0cur.h | 787 -- perfschema/include/btr0cur.ic | 200 - perfschema/include/btr0pcur.h | 551 - perfschema/include/btr0pcur.ic | 642 - perfschema/include/btr0sea.h | 310 - perfschema/include/btr0sea.ic | 84 - perfschema/include/btr0types.h | 51 - perfschema/include/buf0buddy.h | 90 - perfschema/include/buf0buddy.ic | 127 - perfschema/include/buf0buf.h | 1633 --- perfschema/include/buf0buf.ic | 1090 -- perfschema/include/buf0flu.h | 217 - perfschema/include/buf0flu.ic | 126 - perfschema/include/buf0lru.h | 295 - perfschema/include/buf0lru.ic | 25 - perfschema/include/buf0rea.h | 137 - perfschema/include/buf0types.h | 82 - perfschema/include/data0data.h | 483 - perfschema/include/data0data.ic | 612 - perfschema/include/data0type.h | 486 - perfschema/include/data0type.ic | 599 - perfschema/include/data0types.h | 36 - perfschema/include/db0err.h | 106 - perfschema/include/dict0boot.h | 151 - perfschema/include/dict0boot.ic | 93 - perfschema/include/dict0crea.h | 197 - perfschema/include/dict0crea.ic | 25 - perfschema/include/dict0dict.h | 1165 -- perfschema/include/dict0dict.ic | 806 -- perfschema/include/dict0load.h | 115 - perfschema/include/dict0load.ic | 26 - perfschema/include/dict0mem.h | 555 - perfschema/include/dict0mem.ic | 26 - perfschema/include/dict0types.h | 48 - perfschema/include/dyn0dyn.h | 188 - perfschema/include/dyn0dyn.ic | 365 - perfschema/include/eval0eval.h | 114 - perfschema/include/eval0eval.ic | 251 - perfschema/include/eval0proc.h | 104 - perfschema/include/eval0proc.ic | 88 - perfschema/include/fil0fil.h | 724 - perfschema/include/fsp0fsp.h | 359 - perfschema/include/fsp0fsp.ic | 45 - perfschema/include/fsp0types.h | 110 - perfschema/include/fut0fut.h | 55 - perfschema/include/fut0fut.ic | 56 - perfschema/include/fut0lst.h | 217 - perfschema/include/fut0lst.ic | 167 - perfschema/include/ha0ha.h | 241 - perfschema/include/ha0ha.ic | 220 - perfschema/include/ha0storage.h | 140 - perfschema/include/ha0storage.ic | 148 - perfschema/include/ha_prototypes.h | 261 - perfschema/include/handler0alter.h | 42 - perfschema/include/hash0hash.h | 446 - perfschema/include/hash0hash.ic | 163 - perfschema/include/ibuf0ibuf.h | 407 - perfschema/include/ibuf0ibuf.ic | 332 - perfschema/include/ibuf0types.h | 31 - perfschema/include/lock0iter.h | 69 - perfschema/include/lock0lock.h | 826 -- perfschema/include/lock0lock.ic | 121 - perfschema/include/lock0priv.h | 108 - perfschema/include/lock0priv.ic | 49 - perfschema/include/lock0types.h | 45 - perfschema/include/log0log.h | 969 -- perfschema/include/log0log.ic | 443 - perfschema/include/log0recv.h | 497 - perfschema/include/log0recv.ic | 53 - perfschema/include/mach0data.h | 400 - perfschema/include/mach0data.ic | 786 -- perfschema/include/mem0dbg.h | 150 - perfschema/include/mem0dbg.ic | 109 - perfschema/include/mem0mem.h | 402 - perfschema/include/mem0mem.ic | 640 - perfschema/include/mem0pool.h | 136 - perfschema/include/mem0pool.ic | 24 - perfschema/include/mtr0log.h | 250 - perfschema/include/mtr0log.ic | 274 - perfschema/include/mtr0mtr.h | 419 - perfschema/include/mtr0mtr.ic | 275 - perfschema/include/mtr0types.h | 31 - perfschema/include/mysql_addons.h | 33 - perfschema/include/os0file.h | 811 -- perfschema/include/os0proc.h | 77 - perfschema/include/os0proc.ic | 27 - perfschema/include/os0sync.h | 445 - perfschema/include/os0sync.ic | 53 - perfschema/include/os0thread.h | 162 - perfschema/include/os0thread.ic | 25 - perfschema/include/page0cur.h | 346 - perfschema/include/page0cur.ic | 299 - perfschema/include/page0page.h | 1015 -- perfschema/include/page0page.ic | 1073 -- perfschema/include/page0types.h | 150 - perfschema/include/page0zip.h | 475 - perfschema/include/page0zip.ic | 397 - perfschema/include/pars0grm.h | 236 - perfschema/include/pars0opt.h | 75 - perfschema/include/pars0opt.ic | 24 - perfschema/include/pars0pars.h | 748 -- perfschema/include/pars0pars.ic | 24 - perfschema/include/pars0sym.h | 244 - perfschema/include/pars0sym.ic | 24 - perfschema/include/pars0types.h | 50 - perfschema/include/que0que.h | 524 - perfschema/include/que0que.ic | 287 - perfschema/include/que0types.h | 60 - perfschema/include/read0read.h | 194 - perfschema/include/read0read.ic | 98 - perfschema/include/read0types.h | 32 - perfschema/include/rem0cmp.h | 194 - perfschema/include/rem0cmp.ic | 91 - perfschema/include/rem0rec.h | 824 -- perfschema/include/rem0rec.ic | 1647 --- perfschema/include/rem0types.h | 46 - perfschema/include/row0ext.h | 95 - perfschema/include/row0ext.ic | 84 - perfschema/include/row0ins.h | 156 - perfschema/include/row0ins.ic | 26 - perfschema/include/row0merge.h | 197 - perfschema/include/row0mysql.h | 795 -- perfschema/include/row0mysql.ic | 24 - perfschema/include/row0purge.h | 118 - perfschema/include/row0purge.ic | 25 - perfschema/include/row0row.h | 324 - perfschema/include/row0row.ic | 120 - perfschema/include/row0sel.h | 402 - perfschema/include/row0sel.ic | 105 - perfschema/include/row0types.h | 59 - perfschema/include/row0uins.h | 54 - perfschema/include/row0uins.ic | 25 - perfschema/include/row0umod.h | 52 - perfschema/include/row0umod.ic | 24 - perfschema/include/row0undo.h | 142 - perfschema/include/row0undo.ic | 24 - perfschema/include/row0upd.h | 483 - perfschema/include/row0upd.ic | 184 - perfschema/include/row0vers.h | 142 - perfschema/include/row0vers.ic | 30 - perfschema/include/srv0que.h | 42 - perfschema/include/srv0srv.h | 657 - perfschema/include/srv0srv.ic | 24 - perfschema/include/srv0start.h | 134 - perfschema/include/sync0arr.h | 142 - perfschema/include/sync0arr.ic | 27 - perfschema/include/sync0rw.h | 585 - perfschema/include/sync0rw.ic | 624 - perfschema/include/sync0sync.h | 590 - perfschema/include/sync0sync.ic | 222 - perfschema/include/sync0types.h | 34 - perfschema/include/thr0loc.h | 90 - perfschema/include/thr0loc.ic | 24 - perfschema/include/trx0i_s.h | 247 - perfschema/include/trx0purge.h | 189 - perfschema/include/trx0purge.ic | 43 - perfschema/include/trx0rec.h | 338 - perfschema/include/trx0rec.ic | 112 - perfschema/include/trx0roll.h | 352 - perfschema/include/trx0roll.ic | 40 - perfschema/include/trx0rseg.h | 209 - 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mode 100644 perfschema/ut/ut0list.c delete mode 100644 perfschema/ut/ut0mem.c delete mode 100644 perfschema/ut/ut0rbt.c delete mode 100644 perfschema/ut/ut0rnd.c delete mode 100644 perfschema/ut/ut0ut.c delete mode 100644 perfschema/ut/ut0vec.c delete mode 100644 perfschema/ut/ut0wqueue.c diff --git a/perfschema/CMakeLists.txt b/perfschema/CMakeLists.txt deleted file mode 100644 index 7d10a6aaf3e..00000000000 --- a/perfschema/CMakeLists.txt +++ /dev/null @@ -1,267 +0,0 @@ -# Copyright (C) 2009 Oracle/Innobase Oy -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -# This is the CMakeLists for InnoDB Plugin - -INCLUDE(CheckFunctionExists) -INCLUDE(CheckCSourceCompiles) -INCLUDE(CheckCSourceRuns) - -# OS tests -IF(UNIX) - IF(CMAKE_SYSTEM_NAME STREQUAL "Linux") - ADD_DEFINITIONS("-DUNIV_LINUX -D_GNU_SOURCE=1") - ELSEIF(CMAKE_SYSTEM_NAME MATCHES "HP*") - ADD_DEFINITIONS("-DUNIV_HPUX -DUNIV_MUST_NOT_INLINE") - ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "AIX") - ADD_DEFINITIONS("-DUNIV_AIX -DUNIX_MUST_NOT_INLINE") - ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") - ADD_DEFINITIONS("-DUNIV_SOLARIS") - ELSE() - ADD_DEFINITIONS("-DUNIV_MUST_NOT_INLINE") - ENDIF() -ENDIF() - - -IF(NOT MSVC) -# either define HAVE_IB_GCC_ATOMIC_BUILTINS or not -IF(NOT CMAKE_CROSSCOMPILING) - CHECK_C_SOURCE_RUNS( - " - int main() - { - long x; - long y; - long res; - char c; - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x, y); - if (!res || x != y) { - return(1); - } - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x + 1, y); - if (res || x != 10) { - return(1); - } - x = 10; - y = 123; - res = __sync_add_and_fetch(&x, y); - if (res != 123 + 10 || x != 123 + 10) { - return(1); - } - - c = 10; - res = __sync_lock_test_and_set(&c, 123); - if (res != 10 || c != 123) { - return(1); - } - return(0); - }" - HAVE_IB_GCC_ATOMIC_BUILTINS - ) -ENDIF() - -IF(HAVE_IB_GCC_ATOMIC_BUILTINS) - ADD_DEFINITIONS(-DHAVE_IB_GCC_ATOMIC_BUILTINS=1) -ENDIF() - - # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not -IF(NOT CMAKE_CROSSCOMPILING) - CHECK_C_SOURCE_RUNS( - " - #include - #include - - int main(int argc, char** argv) { - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - __sync_bool_compare_and_swap(&x1, x2, x3); - - return(0); - }" - HAVE_IB_ATOMIC_PTHREAD_T_GCC) -ENDIF() -IF(HAVE_IB_ATOMIC_PTHREAD_T_GCC) - ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_GCC=1) -ENDIF() - -ENDIF(NOT MSVC) - -# Solaris atomics -IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS") - CHECK_FUNCTION_EXISTS(atomic_cas_ulong HAVE_ATOMIC_CAS_ULONG) - CHECK_FUNCTION_EXISTS(atomic_cas_32 HAVE_ATOMIC_CAS_32) - CHECK_FUNCTION_EXISTS(atomic_cas_64 HAVE_ATOMIC_CAS_64) - CHECK_FUNCTION_EXISTS(atomic_add_long HAVE_ATOMIC_ADD_LONG) - IF(HAVE_ATOMIC_CAS_ULONG AND HAVE_ATOMIC_CAS_32 AND - HAVE_ATOMIC_CAS_64 AND HAVE_ATOMIC_ADD_LONG) - SET(HAVE_IB_SOLARIS_ATOMICS 1) - ENDIF() - - IF(HAVE_IB_SOLARIS_ATOMICS) - ADD_DEFINITIONS(-DHAVE_IB_SOLARIS_ATOMICS=1) - ENDIF() - - IF(NOT CMAKE_CROSSCOMPILING) - # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not - CHECK_C_SOURCE_COMPILES( - " #include - #include - - int main(int argc, char** argv) { - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - if (sizeof(pthread_t) == 4) { - - atomic_cas_32(&x1, x2, x3); - - } else if (sizeof(pthread_t) == 8) { - - atomic_cas_64(&x1, x2, x3); - - } else { - - return(1); - } - - return(0); - } - " HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) - ENDIF() - IF(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) - ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_SOLARIS=1) - ENDIF() -ENDIF() - - -IF(UNIX) -# this is needed to know which one of atomic_cas_32() or atomic_cas_64() -# to use in the source -SET(CMAKE_EXTRA_INCLUDE_FILES pthread.h) -CHECK_TYPE_SIZE(pthread_t SIZEOF_PTHREAD_T) -SET(CMAKE_EXTRA_INCLUDE_FILES) -ENDIF() - -IF(SIZEOF_PTHREAD_T) - ADD_DEFINITIONS(-DSIZEOF_PTHREAD_T=${SIZEOF_PTHREAD_T}) -ENDIF() - -IF(MSVC) - ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) -ENDIF() - - -# Include directories under innobase -INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include - ${CMAKE_SOURCE_DIR}/storage/innobase/handler) - -# Sun Studio bug with -xO2 -IF(CMAKE_C_COMPILER_ID MATCHES "SunPro" - AND CMAKE_C_FLAGS_RELEASE MATCHES "O2" - AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug") - # Sun Studio 12 crashes with -xO2 flag, but not with higher optimization - # -xO3 - SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_SOURCE_DIR}/rem/rem0rec.c - PROPERTIES COMPILE_FLAGS -xO3) -ENDIF() - -# Removing compiler optimizations for innodb/mem/* files on 64-bit Windows -# due to 64-bit compiler error, See MySQL Bug #19424, #36366, #34297 -IF (MSVC AND CMAKE_SIZEOF_VOID_P EQUAL 8) - SET_SOURCE_FILES_PROPERTIES(mem/mem0mem.c mem/mem0pool.c - PROPERTIES COMPILE_FLAGS -Od) -ENDIF() - -SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c - buf/buf0buddy.c buf/buf0buf.c buf/buf0flu.c buf/buf0lru.c buf/buf0rea.c - data/data0data.c data/data0type.c - dict/dict0boot.c dict/dict0crea.c dict/dict0dict.c dict/dict0load.c dict/dict0mem.c - dyn/dyn0dyn.c - eval/eval0eval.c eval/eval0proc.c - fil/fil0fil.c - fsp/fsp0fsp.c - fut/fut0fut.c fut/fut0lst.c - ha/ha0ha.c ha/hash0hash.c ha/ha0storage.c - ibuf/ibuf0ibuf.c - pars/lexyy.c pars/pars0grm.c pars/pars0opt.c pars/pars0pars.c pars/pars0sym.c - lock/lock0lock.c lock/lock0iter.c - log/log0log.c log/log0recv.c - mach/mach0data.c - mem/mem0mem.c mem/mem0pool.c - mtr/mtr0log.c mtr/mtr0mtr.c - os/os0file.c os/os0proc.c os/os0sync.c os/os0thread.c - page/page0cur.c page/page0page.c page/page0zip.c - que/que0que.c - handler/ha_innodb.cc handler/handler0alter.cc handler/i_s.cc handler/mysql_addons.cc - read/read0read.c - rem/rem0cmp.c rem/rem0rec.c - row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c row/row0purge.c row/row0row.c - row/row0sel.c row/row0uins.c row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c - srv/srv0que.c srv/srv0srv.c srv/srv0start.c - sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c - thr/thr0loc.c - trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c - trx/trx0sys.c trx/trx0trx.c trx/trx0undo.c - usr/usr0sess.c - ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c - ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) - -IF(WITH_INNODB) - # Legacy option - SET(WITH_INNOBASE_STORAGE_ENGINE TRUE) -ENDIF() - - -#The plugin's CMakeLists.txt still needs to work with previous versions of MySQL. -IF(EXISTS ${SOURCE_DIR}/storage/mysql_storage_engine.cmake) - # Old plugin support on Windows only, - # use tricks to force ha_innodb.dll name for DLL - INCLUDE(${SOURCE_DIR}/storage/mysql_storage_engine.cmake) - MYSQL_STORAGE_ENGINE(INNOBASE) - GET_TARGET_PROPERTY(LIB_LOCATION ha_innobase LOCATION) - IF(LIB_LOCATION) - SET_TARGET_PROPERTIES(ha_innobase PROPERTIES OUTPUT_NAME ha_innodb) - ENDIF() -ELSEIF (MYSQL_VERSION_ID LESS "50137") - # Windows only, no plugin support - IF (NOT SOURCE_SUBLIBS) - ADD_DEFINITIONS(-DMYSQL_SERVER) - ADD_LIBRARY(innobase STATIC ${INNOBASE_SOURCES}) - # Require mysqld_error.h, which is built as part of the GenError - ADD_DEPENDENCIES(innobase GenError) - ENDIF() -ELSE() - # New plugin support, cross-platform , base name for shared module is "ha_innodb" - MYSQL_ADD_PLUGIN(innobase ${INNOBASE_SOURCES} STORAGE_ENGINE - MODULE_OUTPUT_NAME ha_innodb - LINK_LIBRARIES ${ZLIB_LIBRARY}) -ENDIF() diff --git a/perfschema/COPYING b/perfschema/COPYING deleted file mode 100644 index 6b106e18fdb..00000000000 --- a/perfschema/COPYING +++ /dev/null @@ -1,351 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - -Preamble -======== - -The licenses for most software are designed to take away your freedom -to share and change it. By contrast, the GNU General Public License is -intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. This -General Public License applies to most of the Free Software -Foundation's software and to any other program whose authors commit to -using it. (Some other Free Software Foundation software is covered by -the GNU Library General Public License instead.) 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Of course, the -commands you use may be called something other than `show w' and `show -c'; they could even be mouse-clicks or menu items--whatever suits your -program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - SIGNATURE OF TY COON, 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program -into proprietary programs. If your program is a subroutine library, -you may consider it more useful to permit linking proprietary -applications with the library. If this is what you want to do, use the -GNU Library General Public License instead of this License. diff --git a/perfschema/COPYING.Google b/perfschema/COPYING.Google deleted file mode 100644 index 5ade2b0e381..00000000000 --- a/perfschema/COPYING.Google +++ /dev/null @@ -1,30 +0,0 @@ -Portions of this software contain modifications contributed by Google, Inc. -These contributions are used with the following license: - -Copyright (c) 2008, Google Inc. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials - provided with the distribution. - * Neither the name of the Google Inc. nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/COPYING.Percona b/perfschema/COPYING.Percona deleted file mode 100644 index 8c786811719..00000000000 --- a/perfschema/COPYING.Percona +++ /dev/null @@ -1,30 +0,0 @@ -Portions of this software contain modifications contributed by Percona, Inc. -These contributions are used with the following license: - -Copyright (c) 2008, 2009, Percona Inc. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials - provided with the distribution. - * Neither the name of the Percona Inc. nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/COPYING.Sun_Microsystems b/perfschema/COPYING.Sun_Microsystems deleted file mode 100644 index 5a77ef3ab73..00000000000 --- a/perfschema/COPYING.Sun_Microsystems +++ /dev/null @@ -1,31 +0,0 @@ -Portions of this software contain modifications contributed by -Sun Microsystems, Inc. These contributions are used with the following -license: - -Copyright (c) 2009, Sun Microsystems, Inc. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials - provided with the distribution. - * Neither the name of Sun Microsystems, Inc. nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/perfschema/ChangeLog b/perfschema/ChangeLog deleted file mode 100644 index a8b8c52908d..00000000000 --- a/perfschema/ChangeLog +++ /dev/null @@ -1,1643 +0,0 @@ -2010-03-11 The InnoDB Team - - * buf0buf.h, buf0buf.ic: - Fix and clarify the latching of some buf_block_t members. - Note that check_index_page_at_flush is not protected by any mutex. - Note and assert that lock_hash_val is protected by the rw-latch. - -2010-03-10 The InnoDB Team - - * trx/trx0sys.c: - Fix Bug #51653 outdated reference to set-variable - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, - mysql-test/innodb_bug47621.result, mysql-test/innodb_bug47621.test: - Fix Bug #47621 MySQL and InnoDB data dictionaries will become - out of sync when renaming columns - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug #51356 Many Valgrind errors in error messages - with concurrent DDL - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc, handler/handler0alter.cc, - mysql-test/innodb_bug51378.result, mysql-test/innodb_bug51378.test: - Fix Bug #51378 Init 'ref_length' to correct value, in case an out - of bound MySQL primary_key - -2010-03-10 The InnoDB Team - - * log/log0recv.c: - Remove a bogus assertion about page numbers exceeding 0x90000000 - in the redo log. Abort when encountering a corrupted redo log - record, unless innodb_force_recovery is set. - -2010-03-09 The InnoDB Team - - * handler/ha_innodb.cc: - Make SHOW ENGINE INNODB MUTEX STATUS display SUM(os_waits) - for the buffer pool block mutexes and locks. - -2010-03-08 The InnoDB Team - - * fil/fil0fil.c: - Fix ALTER TABLE ... IMPORT TABLESPACE of compressed tables. - -2010-03-03 The InnoDB Team - - * handler/handler0alter.cc, innodb-index.result, innodb-index.test, - innodb.result, innodb.test: - Disallow a duplicate index name when creating an index. - -2010-02-11 The InnoDB Team - - * include/mem0mem.h, include/mem0mem.ic, mem/mem0mem.c: - Fix Bug #49535 Available memory check slows down crash - recovery tens of times - -2010-02-09 The InnoDB Team - - * buf/buf0buf.c: - Fix Bug #38901 InnoDB logs error repeatedly when trying to load - page into buffer pool - -2010-02-09 The InnoDB Team - - * srv/srv0srv.c: - Let the master thread sleep if the amount of work to be done is - calibrated as taking less than a second. - -2010-02-04 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, btr/btr0pcur.c, buf/buf0buf.c, - include/btr0btr.h, include/btr0cur.h, include/btr0pcur.h, - include/btr0pcur.ic, include/buf0buf.h, row/row0ins.c, row/row0sel.c: - Pass the file name and line number of the caller of the - b-tree cursor functions to the buffer pool requests, in order - to make the latch diagnostics more accurate. - -2010-02-03 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#49001 SHOW INNODB STATUS deadlock info incorrect - when deadlock detection aborts - -2010-02-03 The InnoDB Team - - * buf/buf0lru.c: - Fix Bug#35077 Very slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) - on compressed tables - -2010-02-03 The InnoDB Team - - * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: - Clean up CHECK TABLE error handling. - -2010-02-01 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.test, - mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc-44030.test, - mysql-test/innodb-autoinc-44030.result: - Fix Bug#49497 Error 1467 (ER_AUTOINC_READ_FAILED) on inserting - a negative value - -2010-01-27 The InnoDB Team - - * include/row0mysql.h, log/log0recv.c, row/row0mysql.c: - Drop temporary tables at startup. - This addresses the third aspect of - Bug#41609 Crash recovery does not work for InnoDB temporary tables. - -2010-01-21 The InnoDB Team - - * buf/buf0buf.c: - Do not merge buffered inserts to compressed pages before - the redo log has been applied in crash recovery. - -2010-01-13 The InnoDB Team - - * row/row0sel.c: - On the READ UNCOMMITTED isolation level, do not attempt to access - a clustered index record that has been marked for deletion. The - built-in InnoDB in MySQL 5.1 and earlier would attempt to retrieve - a previous version of the record in this case. - -2010-01-13 The InnoDB Team - - * buf/buf0buf.c: - When disabling the adaptive hash index, check the block state - before checking block->is_hashed, because the latter may be - uninitialized right after server startup. - -2010-01-12 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug #46193 crash when accessing tables after enabling - innodb_force_recovery option - -2010-01-12 The InnoDB Team - - * row/row0mysql.c: - Fix Bug#49238 Creating/Dropping a temporary table while at 1023 - transactions will cause assert. - -2009-12-02 The InnoDB Team - - * srv/srv0start.c: - Display the zlib version number at startup. - InnoDB compressed tables use zlib, and the implementation depends - on the zlib function compressBound(), whose definition was slightly - changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 - from 2005, but some installations use a more recent zlib. - -2009-11-30 The InnoDB Team - - * dict/dict0crea.c, dict/dict0mem.c, dict/dict0load.c, - dict/dict0boot.c, fil/fil0fil.c, handler/ha_innodb.cc, - include/dict0mem.h, row/row0mysql.c: - Fix the bogus warning messages for non-existing temporary - tables that were reported in - Bug#41609 Crash recovery does not work for InnoDB temporary tables. - The actual crash recovery bug was corrected on 2009-04-29. - -2009-11-27 The InnoDB Team - - InnoDB Plugin 1.0.6 released - -2009-11-20 The InnoDB Team - - * handler/ha_innodb.cc: - Add a workaround to prevent a crash due to Bug#45961 DDL on - partitioned innodb tables leaves data dictionary in an inconsistent - state - -2009-11-19 The InnoDB Team - - * btr/btr0btr.c: - Fix Bug#48469 when innodb tablespace is configured too small, crash - and corruption! - -2009-11-19 The InnoDB Team - - * data/data0type.c: - Fix Bug#48526 Data type for float and double is incorrectly reported - in InnoDB table monitor - -2009-11-19 The InnoDB Team - - * CMakeLists.txt: - Fix Bug#48317 cannot build innodb as static library - -2009-11-18 The InnoDB Team - - * handler/handler0alter.cc: - Fix Bug#48782 On lock wait timeout, CREATE INDEX (creating primary key) - attempts DROP TABLE - -2009-11-17 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test, mysql-test/innodb_bug44369.result, - mysql-test/innodb_bug44369.test, mysql-test/patches/innodb-index.diff, - row/row0mysql.c: - Report duplicate table names to the client connection, not to the - error log. - -2009-11-12 The InnoDB Team - - * handler/ha_innodb.cc, include/db0err.h, row/row0merge.c, - row/row0mysql.c: - Allow CREATE INDEX to be interrupted. - Also, when CHECK TABLE is interrupted, report ER_QUERY_INTERRUPTED. - -2009-11-11 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug47167.result, - mysql-test/innodb_bug47167.test, mysql-test/innodb_file_format.result: - Fix Bug#47167 "set global innodb_file_format_check" cannot set value - by User-Defined Variable - -2009-11-11 The InnoDB Team - - * include/os0file.h, os/os0file.c: - Fix Bug#3139 Mysql crashes: 'windows error 995' after several selects - on a large DB - -2009-11-04 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#32430 'show innodb status' causes errors - Invalid (old?) table or database name in logs - -2009-11-02 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, dict/dict0dict.c, fil/fil0fil.c, - ibuf/ibuf0ibuf.c, include/btr0sea.h, include/dict0dict.h, - include/fil0fil.h, include/ibuf0ibuf.h, include/lock0lock.h, - include/log0log.h, include/log0recv.h, include/mem0mem.h, - include/mem0pool.h, include/os0file.h, include/pars0pars.h, - include/srv0srv.h, include/thr0loc.h, include/trx0i_s.h, - include/trx0purge.h, include/trx0rseg.h, include/trx0sys.h, - include/trx0undo.h, include/usr0sess.h, lock/lock0lock.c, - log/log0log.c, log/log0recv.c, mem/mem0dbg.c, mem/mem0pool.c, - os/os0file.c, os/os0sync.c, os/os0thread.c, pars/lexyy.c, - pars/pars0lex.l, que/que0que.c, srv/srv0srv.c, srv/srv0start.c, - sync/sync0arr.c, sync/sync0sync.c, thr/thr0loc.c, trx/trx0i_s.c, - trx/trx0purge.c, trx/trx0rseg.c, trx/trx0sys.c, trx/trx0undo.c, - usr/usr0sess.c, ut/ut0mem.c: - Fix Bug #45992 innodb memory not freed after shutdown - Fix Bug #46656 InnoDB plugin: memory leaks (Valgrind) - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#47125 auto_increment start value is ignored if an index is - created and engine=innodb - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug47777.result, - mysql-test/innodb_bug47777.test: - Fix Bug#47777 innodb dies with spatial pk: Failing assertion: buf <= - original_buf + buf_len - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#38996 Race condition in ANALYZE TABLE - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc: - Fix bug#42383: Can't create table 'test.bug39438' - -2009-10-29 The InnoDB Team - - * os/os0proc.c: - Fix Bug#48237 Error handling in os_mem_alloc_large appears to - be incorrect - -2009-10-29 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.h, include/buf0buf.ic: - Fix corruption of the buf_pool->LRU_old list and improve debug - assertions. - -2009-10-28 The InnoDB Team - - * srv/srv0start.c: - Fix Bug#41490 After enlargement of InnoDB page size, the error message - become inaccurate - -2009-10-26 The InnoDB Team - - * row/row0ins.c: - When allocating a data tuple, zero out the system fields in order - to avoid Valgrind warnings about uninitialized fields in - dtuple_validate(). - -2009-10-22 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, mysql-test/innodb_bug44369.result, - mysql-test/innodb_bug44369.test: - Fix Bug#47233 Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR) - -2009-10-19 The InnoDB Team - - * mysql-test/innodb_information_schema.test: - Fix Bug#47808 innodb_information_schema.test fails when run under - valgrind - -2009-10-15 The InnoDB Team - - * include/page0page.ic: - Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro - cc/CC 5.10 - -2009-10-13 The InnoDB Team - - * buf/buf0flu.c: - Call fsync() on datafiles after a batch of pages is written to disk - even when skip_innodb_doublewrite is set. - -2009-10-05 The InnoDB Team - - * buf/buf0buf.c: - Do not invalidate buffer pool while an LRU batch is active. Added code - to buf_pool_invalidate() to wait for the running batches to finish. - -2009-10-01 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#47763 typo in error message: Failed to open table %s after %lu - attemtps. - -2009-10-01 The InnoDB Team - - * fsp/fsp0fsp.c, row/row0merge.c: - Clean up after a crash during DROP INDEX. When InnoDB crashes - while dropping an index, ensure that the index will be completely - dropped during crash recovery. The MySQL .frm file may still - contain the dropped index, but there is little that we can do - about it. - -2009-09-28 The InnoDB Team - - * handler/ha_innodb.cc: - When a secondary index exists in the MySQL .frm file but not in - the InnoDB data dictionary, return an error instead of letting an - assertion fail in index_read. - -2009-09-28 The InnoDB Team - - * btr/btr0btr.c, buf/buf0buf.c, include/page0page.h, - include/page0zip.h, page/page0cur.c, page/page0page.c, - page/page0zip.c: - Do not write to PAGE_INDEX_ID when restoring an uncompressed page - after a compression failure. The field should only be written - when creating a B-tree page. This fix addresses a race condition - in a debug assertion. - -2009-09-28 The InnoDB Team - - * fil/fil0fil.c: - Try to prevent the reuse of tablespace identifiers after InnoDB - has crashed during table creation. Also, refuse to start if files - with duplicate tablespace identifiers are encountered. - -2009-09-25 The InnoDB Team - - * include/os0file.h, os/os0file.c: - Fix Bug#47055 unconditional exit(1) on ERROR_WORKING_SET_QUOTA - 1453 (0x5AD) for InnoDB backend - -2009-09-19 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-consistent-master.opt, - mysql-test/innodb-consistent.result, - mysql-test/innodb-consistent.test: - Fix Bug#37232 Innodb might get too many read locks for DML with - repeatable-read - -2009-09-19 The InnoDB Team - - * fsp/fsp0fsp.c: - Fix Bug#31183 Tablespace full problems not reported in error log, - error message unclear - -2009-09-17 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: - Make the test pass with zlib 1.2.3.3. Apparently, the definition - of compressBound() has changed between zlib versions, and the - maximum record size of a table with 1K compressed page size has - been reduced by one byte. This is an arbitrary test. In practical - applications, for good write performance, the compressed page size - should be chosen to be bigger than the absolute minimum. - -2009-09-16 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#46256 drop table with unknown collation crashes innodb - -2009-09-16 The InnoDB Team - - * dict/dict0dict.c, handler/ha_innodb.cc, - mysql-test/innodb_bug44369.result, mysql-test/innodb_bug44369.test, - row/row0mysql.c: - Fix Bug#44369 InnoDB: Does not uniformly disallow disallowed column - names - -2009-09-16 The InnoDB Team - - * handler/ha_innodb.cc, include/db0err.h, - mysql-test/innodb_bug46000.result, mysql-test/innodb_bug46000.test: - Fix Bug#46000 using index called GEN_CLUST_INDEX crashes server - -2009-09-02 The InnoDB Team - - * include/lock0lock.h, include/row0mysql.h, lock/lock0lock.c, - row/row0mysql.c: - Fix a regression introduced by the fix for MySQL bug#26316. We check - whether a transaction holds any AUTOINC locks before we acquire - the kernel mutex and release those locks. - -2009-08-27 The InnoDB Team - - * dict/dict0dict.c, include/dict0dict.h, - mysql-test/innodb_bug44571.result, mysql-test/innodb_bug44571.test: - Fix Bug#44571 InnoDB Plugin crashes on ADD INDEX - -2009-08-27 The InnoDB Team - - * row/row0merge.c: - Fix a bug in the merge sort that can corrupt indexes in fast index - creation. Add some consistency checks. Check that the number of - records remains constant in every merge sort pass. - -2009-08-27 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, - include/buf0buf.h, include/buf0buf.ic, include/buf0lru.h, - include/ut0ut.h, ut/ut0ut.c: - Make it possible to tune the buffer pool LRU eviction policy to be - more resistant against index scans. Introduce the settable global - variables innodb_old_blocks_pct and innodb_old_blocks_time for - controlling the buffer pool eviction policy. The parameter - innodb_old_blocks_pct (5..95) controls the desired amount of "old" - blocks in the LRU list. The default is 37, corresponding to the - old fixed ratio of 3/8. Each time a block is accessed, it will be - moved to the "new" blocks if its first access was at least - innodb_old_blocks_time milliseconds ago (default 0, meaning every - block). The idea is that in index scans, blocks will be accessed - a few times within innodb_old_blocks_time, and they will remain in - the "old" section of the LRU list. Thus, when innodb_old_blocks_time - is nonzero, blocks retrieved for one-time index scans will be more - likely candidates for eviction than blocks that are accessed in - random patterns. - -2009-08-26 The InnoDB Team - - * handler/ha_innodb.cc, os/os0file.c: - Fix Bug#42885 buf_read_ahead_random, buf_read_ahead_linear counters, - thread wakeups - -2009-08-20 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#46650 Innodb assertion autoinc_lock == lock in - lock_table_remove_low on INSERT SELECT - -2009-08-13 The InnoDB Team - - * handler/handler0alter.cc: - Fix Bug#46657 InnoDB plugin: invalid read in index_merge_innodb test - (Valgrind) - -2009-08-11 The InnoDB Team - - InnoDB Plugin 1.0.4 released - -2009-07-20 The InnoDB Team - - * buf/buf0rea.c, handler/ha_innodb.cc, include/srv0srv.h, - srv/srv0srv.c: - Change the read ahead parameter name to innodb_read_ahead_threshold. - Change the meaning of this parameter to signify the number of pages - that must be sequentially accessed for InnoDB to trigger a readahead - request. - -2009-07-20 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#39802 On Windows, 32-bit time_t should be enforced - -2009-07-16 The InnoDB Team - - * include/univ.i: - Support inlining of functions and prefetch with Sun Studio. - These changes are based on contribution from Sun Microsystems Inc. - under a BSD license. - -2009-07-14 The InnoDB Team - - * fil/fil0fil.c: - Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to - match documentation - -2009-07-14 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, - mysql-test/innodb_bug21704.test: - Fix Bug#21704 Renaming column does not update FK definition - -2009-07-10 The InnoDB Team - - * handler/ha_innodb.cc, srv/srv0srv.c: - Change the defaults for - innodb_sync_spin_loops: 20 -> 30 - innodb_spin_wait_delay: 5 -> 6 - -2009-07-08 The InnoDB Team - - * buf/buf0flu.c, handler/ha_innodb.cc, include/buf0flu.h, - include/log0log.h, include/log0log.ic, include/srv0srv.h, - srv/srv0srv.c: - Implement the adaptive flushing of dirty pages, which uses - a heuristics based flushing rate of dirty pages to avoid IO - bursts at checkpoint. Expose new configure knob - innodb_adaptive_flushing to control whether the new flushing - algorithm should be used. - -2009-07-07 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, log/log0log.c, - srv/srv0srv.c: - Implement IO capacity tuning. Expose new configure knob - innodb_io_capacity to control the master threads IO rate. The - ibuf merge is also changed from synchronous to asynchronous. - These changes are based on contribution from Google Inc. - under a BSD license. - -2009-07-02 The InnoDB Team - - * include/ut0ut.h, plug.in, ut/ut0ut.c: - Use the PAUSE instruction inside the spinloop if it is available, - Thanks to Mikael Ronstrom . - -2009-06-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_file_format.test, - mysql-test/innodb_file_format.result: - Do not crash on SET GLOBAL innodb_file_format=DEFAULT - or SET GLOBAL innodb_file_format_check=DEFAULT. - -2009-06-29 The InnoDB Team - - * buf/buf0buf.c, buf/buf0rea.c, lock/lock0lock.c: - Tolerate missing tablespaces during crash recovery and when - printing information on locks. - -2009-06-29 The InnoDB Team - - * buf/buf0buf.c: - Fix a race condition when reading buf_fix_count. - Currently, it is not being protected by the buffer pool mutex, - but by the block mutex. - -2009-06-29 The InnoDB Team - - * handler/handler0alter.cc: - Start the user transaction prebuilt->trx if it was not started - before adding or dropping an index. Without this fix, the - table could be locked outside an active transaction. - -2009-06-25 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug42101.test, - mysql-test/innodb_bug42101.result, - mysql-test/innodb_bug42101-nonzero.test, - mysql-test/innodb_bug42101-nonzero.result: - Fix Bug#45749 Race condition in SET GLOBAL - innodb_commit_concurrency=DEFAULT - -2009-06-25 The InnoDB Team - - * dict/dict0dict.c: - When an index column cannot be found in the table during index - creation, display additional diagnostic before an assertion failure. - This does NOT fix Bug #44571 InnoDB Plugin crashes on ADD INDEX, - but it helps understand the reason of the crash. - -2009-06-17 The InnoDB Team - - * row/row0merge.c: - Fix Bug#45426 UNIV_DEBUG build cause assertion error at CREATE INDEX - -2009-06-17 The InnoDB Team - - * mysql-test/innodb_bug45357.result, mysql-test/innodb_bug45357.test, - row/row0mysql.c: - Fix Bug#45357 5.1.35 crashes with Failing assertion: index->type & - DICT_CLUSTERED - -2009-06-17 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value - from the index (PRIMARY) - -2009-06-11 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb.result, srv/srv0srv.c: - Change the following defaults: - max_dirty_pages_pct: from 90 to 75, max allowed from 100 to 99 - additional_mem_pool_size: from 1 to 8 MB - buffer_pool_size: from 8 to 128 MB - log_buffer_size: from 1 to 8 MB - read_io_threads/write_io_threads: from 1 to 4 - -2009-06-09 The InnoDB Team - - * handler/ha_innodb.cc, include/trx0trx.h, trx/trx0trx.c: - Enable Group Commit functionality that was broken in 5.0 when - distributed transactions were introduced. - -2009-06-05 The InnoDB Team - - * handler/ha_innodb.cc, include/os0file.h, include/srv0srv.h, - os/os0file.c, srv/srv0srv.c, srv/srv0start.c: - Enable functionality to have multiple background IO helper threads. - Expose new configure knobs innodb_read_io_threads and - innodb_write_io_threads and deprecate innodb_file_io_threads (this - parameter was relevant only on windows). Internally this allows - multiple segments for read and write IO request arrays where one - thread works on one segment. - -2009-06-05 The InnoDB Team - - * buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, - include/srv0srv.h, srv/srv0srv.c: - Fix a bug in linear read ahead: - 1) Take into account access pattern when deciding whether or not to - do linear read ahead. - 2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), - dynamic, global to control linear read ahead behavior. This is the - value of the number of pages that InnoDB will tolerate within a - 64 page extent even if they are accessed out of order or have - not been accessed at all. This number (which varies from 0 to 64) - is indicative of the slack that we have when deciding about linear - readahead. - 3) Disable random read ahead. Keep the code for now. - -2009-06-03 The InnoDB Team - - * dict/dict0dict.c, mysql-test/t/innodb_mysql.test, - mysql-test/r/innodb_mysql.result: - Fix Bug#39793 Foreign keys not constructed when column - has a '#' in a comment or default value - -2009-05-27 The InnoDB Team - - * Doxyfile: - Allow the extraction of documentation from the code base with the - Doxygen tool. Convert and add many (but not yet all) comments to - Doxygen format. - -2009-05-19 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, - include/page0page.ic, include/lock0lock.h, include/dict0dict.h, - include/page0page.h, include/dict0dict.ic, ibuf/ibuf0ibuf.c, - page/page0zip.c, page/page0page.c: - Write updates of PAGE_MAX_TRX_ID to the redo log and add debug - assertions for checking that PAGE_MAX_TRX_ID is valid on leaf - pages of secondary indexes and the insert buffer B-tree. This bug - could cause failures in secondary index lookups in consistent - reads right after crash recovery. - -2009-05-18 The InnoDB Team - - * btr/btr0cur.c: - Correctly estimate the space needed on the compressed page when - performing an update by delete-and-insert. - -2009-05-14 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, - mysql-test/innodb_bug42101-nonzero-master.opt, - mysql-test/innodb_bug42101-nonzero.result, - mysql-test/innodb_bug42101-nonzero.test, - mysql-test/innodb_bug42101.result, mysql-test/innodb_bug42101.test, - srv/srv0srv.c: - Fix Bug#42101 Race condition in innodb_commit_concurrency - -2009-05-13 The InnoDB Team - - * dict/dict0dict.c: - Fix Bug#44320 InnoDB: missing DB_ROLL_PTR in Table Monitor COLUMNS - output - -2009-04-29 The InnoDB Team - - * fil/fil0fil.c, include/fil0fil.h, include/mtr0mtr.h, - log/log0recv.c: - Fix Bug#41609 Crash recovery does not work for InnoDB temporary tables - -2009-04-23 The InnoDB Team - - * row/row0mysql.c: - When scanning indexes, report in the error log any error codes - returned by the search function. These error codes will still be - ignored in CHECK TABLE. - -2009-04-23 The InnoDB Team - - * include/trx0types.h: - Define the logical type names trx_id_t, roll_ptr_t, and undo_no_t - and use them in place of dulint everywhere. - -2009-04-18 The InnoDB Team - - * handler/ha_innodb.cc, include/pars0pars.h: - Fix Bug#29125 Windows Server X64: so many compiler warnings - -2009-04-16 The InnoDB Team - - * include/univ.i: - Define REFMAN as the base URL of the MySQL Reference Manual and - use the macro in all diagnostic output. - -2009-04-16 The InnoDB Team - - * CMakeLists.txt, include/os0sync.h, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, srv/srv0start.c, - sync/sync0sync.c: - Use the Windows Interlocked functions for atomic memory - access. - -2009-04-15 The InnoDB Team - - * mysql-test/innodb.result, mysql-test/innodb.test: - Fix Bug#43309 Test main.innodb can't be run twice - -2009-04-14 The InnoDB Team - - * CMakeLists.txt, handler/win_delay_loader.cc, - win-plugin/win-plugin.diff: - Remove statically linked libraries from MySQL (zlib and strings). - -2009-04-11 The InnoDB Team - - * CMakeLists.txt, win-plugin/README, win-plugin/win-plugin.diff: - Rewrite CMakeLists.txt. - -2009-04-07 The InnoDB Team - - * include/os0sync.h, include/sync0rw.ic, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, plug.in, srv/srv0srv.c, - srv/srv0start.c, sync/sync0arr.c, sync/sync0sync.c: - Enable atomics on Solaris (using the libc functions as defined in - atomic.h) if GCC atomic builtins are not present. - -2009-04-07 The InnoDB Team - - * btr/btr0btr.c, dict/dict0dict.c, ibuf/ibuf0ibuf.c, - include/data0data.h, include/data0data.ic, include/data0type.h, - include/data0type.ic, include/dict0dict.h, include/dict0dict.ic, - include/rem0rec.ic, mysql-test/innodb.result, mysql-test/innodb.test, - pars/pars0pars.c, rem/rem0rec.c, row/row0upd.c: - Fix Bug#44032 In ROW_FORMAT=REDUNDANT, update UTF-8 CHAR - to/from NULL is not in-place - -2009-04-07 The InnoDB Team - - * page/page0cur.c: - Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for - indexes of InnoDB table - -2009-04-06 The InnoDB Team - - * handler/ha_innodb.cc: - Make the parameter innodb_change_buffering settable by the - configuration file or mysqld command line options. Before this - fix, the initial value specified for this parameter was ignored. - -2009-04-06 The InnoDB Team - - * sync/sync0rw.c: - Avoid a bogus failure in UNIV_SYNC_DEBUG diagnostics. - -2009-04-02 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: - Add new parameter innodb_spin_wait_delay to set the maximum delay - between polling for a spin lock. - -2009-04-02 The InnoDB Team - - * dict/dict0crea.c, handler/ha_innodb.cc, handler/ha_innodb.h, - include/dict0mem.h, include/row0merge.h, include/row0mysql.h, - mysql-test/innodb-index.result, mysql-test/innodb-index.test, - row/row0merge.c, row/row0sel.c: - In consistent reads, refuse to use newly created indexes that may - lack history. - -2009-03-25 The InnoDB Team - - * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h: - In SHOW ENGINE INNODB MUTEX do not show the status of block->mutex, - block->lock, block->lock->mutex (if applicable) and all mutexes and - rw-locks for which number of os-waits are zero because this can - be overwhelming particularly when the buffer pool is very large. - -2009-03-20 The InnoDB Team - - * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: - Remove the compile-time constant parameters of - recv_recover_page(), recv_scan_log_recs(), and recv_sys_init(). - -2009-03-20 The InnoDB Team - - * data/data0type.c, handler/ha_innodb.cc, include/ha_prototypes.h: - Declare innobase_get_at_most_n_mbchars() in ha_prototypes.h. - -2009-03-20 The InnoDB Team - - * fil/fil0fil.h, fil/fil0fil.c, srv/srv0start.c: - Add the parameter hash_size to fil_init(). - -2009-03-20 The InnoDB Team - - * fil/fil0fil.c: - Refer to fil_system directly, not via local variables. - -2009-03-20 The InnoDB Team - - * page/page0page.c: - In page_validate(), always report the space id, page number and - the name of the index when corruption is noticed. - -2009-03-20 The InnoDB Team - - * include/log0log.h, include/log0log.ic, log/log0log.c: - Add in/out comments or const qualifiers to some function - parameters as appropriate. - -2009-03-20 The InnoDB Team - - * dict/dict0boot.c, dict/dict0dict.c, fsp/fsp0fsp.c, - include/dict0dict.h, include/srv0srv.h, srv/srv0srv.c, - page/page0page.c: - Replace srv_sys->dummy_ind1 and srv_sys->dummy_ind2 with - dict_ind_redundant and dict_ind_compact, which are - initialized by dict_init(). - -2009-03-11 The InnoDB Team - - InnoDB Plugin 1.0.3 released - -2009-03-05 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#43203 Overflow from auto incrementing causes server segv - -2009-02-25 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#42714 AUTO_INCREMENT errors in 5.1.31 - -2009-02-23 The InnoDB Team - - * btr/btr0cur.c: - Fix Bug#43043 Crash on BLOB delete operation - -2009-02-20 The InnoDB Team - - * handler/ha_innodb.cc: - Make innodb_use_sys_malloc=ON the default. - -2009-02-20 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#42400 InnoDB autoinc code can't handle floating-point columns - -2009-02-18 The InnoDB Team - - * include/ut0mem.h, os/os0proc.c, ut/ut0mem.c: - Protect ut_total_allocated_memory with ut_list_mutex in - os_mem_alloc_large() and os_mem_free_large(). The lack of this mutex - protection could cause an assertion failure during fast index - creation. Also, add UNIV_MEM_ALLOC and UNIV_MEM_FREE instrumentation - to os_mem_alloc_large() and os_mem_free_large(), so that Valgrind can - detect more errors. - -2009-02-11 The InnoDB Team - - * handler/ha_innodb.cc: - Make innodb_thread_concurrency=0 the default. The old default value - was 8. A non-zero setting may be useful when InnoDB is showing severe - scalability problems under multiple concurrent connections. - -2009-02-10 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug#41676 Table names are case insensitive in locking - -2009-02-10 The InnoDB Team - - * mem/mem0dbg.c, mem/mem0mem.c, mem/mem0pool.c: - When innodb_use_sys_malloc is set, ignore - innodb_additional_mem_pool_size, because nothing will be allocated - from mem_comm_pool. - -2009-02-10 The InnoDB Team - - * ut/ut0mem.c: - Map ut_malloc_low(), ut_realloc(), and ut_free() directly to malloc(), - realloc(), and free() when innodb_use_sys_malloc is set. As a side - effect, ut_total_allocated_memory ("Total memory allocated" in the - "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) will - exclude any memory allocated by these functions when - innodb_use_sys_malloc is set. - -2009-02-10 The InnoDB Team - - * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, - include/buf0buf.ic, include/os0sync.h, include/srv0srv.h, - include/sync0rw.h, include/sync0rw.ic, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, row/row0sel.c, srv/srv0srv.c, - srv/srv0start.c, sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: - On those platforms that support it, implement the synchronization - primitives of InnoDB mutexes and read/write locks with GCC atomic - builtins instead of Pthreads mutexes and InnoDB mutexes. These changes - are based on a patch supplied by Mark Callaghan of Google under a BSD - license. - -2009-01-30 The InnoDB Team - - * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, - include/btr0sea.h, include/buf0buf.h, include/sync0sync.h, - sync/sync0sync.c: - Make the configuration parameter innodb_adaptive_hash_index dynamic, - so that it can be changed at runtime. - -2009-01-29 The InnoDB Team - - * handler/ha_innodb.cc, ibuf/ibuf0ibuf.c, include/ibuf0ibuf.h, - include/ibuf0ibuf.ic: - Implement the settable global variable innodb_change_buffering, - with the allowed values 'none' and 'inserts'. The default value - 'inserts' enables the buffering of inserts to non-unique secondary - index trees when the B-tree leaf page is not in the buffer pool. - -2009-01-27 The InnoDB Team - - * buf/buf0lru.c: - Fix a race condition in buf_LRU_invalidate_tablespace(): The - compressed page size (zip_size) was read while the block descriptor - was no longer protected by a mutex. This could lead to corruption - when a table is dropped on a busy system that contains compressed - tables. - -2009-01-26 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, include/buf0buf.h, include/buf0buf.ic, - include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c: - Implement buf_block_align() with pointer arithmetics, as it is in the - built-in InnoDB distributed with MySQL. Do not acquire the buffer pool - mutex before buf_block_align(). This removes a scalability bottleneck - in the adaptive hash index lookup. In CHECK TABLE, check that - buf_pool->page_hash is consistent with buf_block_align(). - -2009-01-23 The InnoDB Team - - * btr/btr0sea.c: - Fix Bug#42279 Race condition in btr_search_drop_page_hash_when_freed() - -2009-01-23 The InnoDB Team - - * buf/buf0buf.c, include/buf0buf.h: - Remove the unused mode BUF_GET_NOWAIT of buf_page_get_gen() - -2009-01-20 The InnoDB Team - - * include/rem0rec.h, include/rem0rec.ic: - Fix Bug#41571 MySQL segfaults after innodb recovery - -2009-01-20 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#42152 Race condition in lock_is_table_exclusive() - -2009-01-14 The InnoDB Team - - * include/trx0roll.h, trx/trx0roll.c, trx/trx0trx.c: - Fix Bug#38187 Error 153 when creating savepoints - -2009-01-14 The InnoDB Team - - * dict/dict0load.c: - Fix Bug#42075 dict_load_indexes failure in dict_load_table will - corrupt the dictionary cache - -2009-01-13 The InnoDB Team - - * buf/buf0buddy.c, dict/dict0dict.c, dict/dict0mem.c, fil/fil0fil.c, - ha/ha0storage.c, handler/ha_innodb.cc, handler/win_delay_loader.cc, - include/buf0buf.ic, include/dict0dict.ic, include/hash0hash.h, - thr/thr0loc.c, trx/trx0i_s.c: - Add the parameter ASSERTION to HASH_SEARCH() macro, and use it for - light validation of the traversed items in hash table lookups when - UNIV_DEBUG is enabled. - -2009-01-09 The InnoDB Team - - * buf/buf0flu.c, include/buf0flu.h, include/buf0flu.ic: - Remove unused code from the functions - buf_flush_insert_into_flush_list() and - buf_flush_insert_sorted_into_flush_list(). - -2009-01-09 The InnoDB Team - - * buf/buf0flu.c: - Simplify the functions buf_flush_try_page() and buf_flush_batch(). Add - debug assertions and an explanation to buf_flush_write_block_low(). - -2009-01-07 The InnoDB Team - - * row/row0merge.c: - Fix a bug in recovery when dropping temporary indexes. - -2009-01-07 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h, handler/handler0alter.cc: - Fix Bug#41680 calls to trx_allocate_for_mysql are not consistent - -2009-01-07 The InnoDB Team - - * mysql-test/innodb_bug41904.result, mysql-test/innodb_bug41904.test, - row/row0merge.c: - Fix Bug#41904 create unique index problem - -2009-01-02 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, mem/mem0pool.c, - mysql-test/innodb-use-sys-malloc-master.opt, - mysql-test/innodb-use-sys-malloc.result, - mysql-test/innodb-use-sys-malloc.test, srv/srv0srv.c, srv/srv0start.c: - Implement the configuration parameter innodb_use_sys_malloc (false by - default), for disabling InnoDB's internal memory allocator and using - system malloc/free instead. The "BUFFER POOL AND MEMORY" section of - SHOW ENGINE INNODB STATUS will report "in additional pool allocated - allocated 0" when innodb_use_sys_malloc is set. - -2008-12-30 The InnoDB Team - - * btr/btr0btr.c: - When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, - compress the page at the same time. This is necessary, because the - column information stored on the compressed page will differ between - leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. - This bug can make InnoDB crash when all rows of a compressed table are - deleted. - -2008-12-17 The InnoDB Team - - * include/row0sel.h, include/row0upd.h, pars/pars0pars.c, - row/row0mysql.c, row/row0sel.c, row/row0upd.c: - Remove update-in-place select from the internal SQL interpreter. It - was only used for updating the InnoDB internal data dictionary when - renaming or dropping tables. It could have caused deadlocks when - acquiring latches on insert buffer bitmap pages. - -2008-12-17 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, buf/buf0lru.c, ha/ha0ha.c, - ha/hash0hash.c, include/buf0buf.h, include/ha0ha.h, include/ha0ha.ic, - include/hash0hash.h, include/univ.i: - Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling adaptive - hash index debugging independently of UNIV_DEBUG. - -2008-12-16 The InnoDB Team - - * btr/btr0cur.c: - Do not update the free bits in the insert buffer bitmap when inserting - or deleting from the insert buffer B-tree. Assert that records in the - insert buffer B-tree are never updated. - -2008-12-12 The InnoDB Team - - * buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c, ibuf/ibuf0ibuf.c, - include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, - include/ibuf0types.h: - Clean up the insert buffer subsystem so that only one insert - buffer B-tree exists. - Originally, there were provisions in InnoDB for multiple insert - buffer B-trees, apparently one for each tablespace. - When Heikki Tuuri implemented multiple InnoDB tablespaces in - MySQL/InnoDB 4.1, he made the insert buffer live only in the - system tablespace (space 0) but left the provisions in the code. - -2008-12-11 The InnoDB Team - - * include/srv0srv.h, os/os0proc.c, srv/srv0srv.c: - Fix the issue that the InnoDB plugin fails if innodb_buffer_pool_size - is defined bigger than 4096M on 64-bit Windows. This bug should not - have affected other 64-bit systems. - -2008-12-09 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#40386 Not flushing query cache after truncate. - -2008-12-09 The InnoDB Team - - * handler/ha_innodb.cc, srv/srv0srv.c, trx/trx0trx.c: - Fix Bug#40760 "set global innodb_thread_concurrency = 0;" is not safe - -2008-12-04 The InnoDB Team - - * handler/ha_innodb.cc, handler/mysql_addons.cc, - include/mysql_addons.h, trx/trx0i_s.c, win-plugin/win-plugin.diff: - Remove dependencies to MySQL internals (defining MYSQL_SERVER). - -2008-12-02 The InnoDB Team - - * page/page0cur.c: - When allocating space for a record from the free list of previously - purged records, zero out the DB_TRX_ID and DB_ROLL_PTR of the purged - record if the new record would not overwrite these fields. This fixes - a harmless content mismatch reported by page_zip_validate(). - -2008-12-02 The InnoDB Team - - * row/row0merge.c: - Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the - loop will actually be entered and temporary indexes be dropped during - crash recovery. - -2008-12-01 The InnoDB Team - - InnoDB Plugin 1.0.2 released - -2008-10-31 The InnoDB Team - - * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, - include/row0mysql.h, include/trx0trx.h, include/univ.i, - include/ut0vec.h, include/ut0vec.ic, lock/lock0lock.c, - row/row0mysql.c, trx/trx0trx.c: - Fix Bug#26316 Triggers create duplicate entries on auto-increment - columns - -2008-10-30 The InnoDB Team - - * handler/ha_innodb.cc, handler/handler0vars.h, - handler/win_delay_loader.cc, mysql-test/innodb_bug40360.result, - mysql-test/innodb_bug40360.test: - Fix Bug#40360 Binlog related errors with binlog off - -2008-10-29 The InnoDB Team - - * include/data0type.ic: - Fix Bug#40369 dtype_get_sql_null_size() returns 0 or 1, not the size - -2008-10-29 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: - Fix Bug#38189 innodb_stats_on_metadata missing - -2008-10-28 The InnoDB Team - - * CMakeLists.txt, ha_innodb.def, handler/ha_innodb.cc, - handler/handler0alter.cc, handler/handler0vars.h, handler/i_s.cc, - handler/win_delay_loader.cc, win-plugin/*: - Implemented the delayloading of externals for the plugin on Windows. - This makes it possible to build a dynamic plugin (ha_innodb.dll) on - Windows. - -2008-10-27 The InnoDB Team - - * CMakeLists.txt: - Fix Bug#19424 InnoDB: Possibly a memory overrun of the buffer being - freed (64-bit Visual C) - -2008-10-23 The InnoDB Team - - * ibuf/ibuf0ibuf.c: - ibuf_delete_rec(): When the cursor to the insert buffer record - cannot be restored, do not complain if the tablespace does not - exist, because the insert buffer record may have been discarded by - some other thread. This bug has existed in MySQL/InnoDB since - version 4.1, when innodb_file_per_table was implemented. - This may fix Bug#27276 InnoDB Error: ibuf cursor restoration fails. - -2008-10-22 The InnoDB Team - - * dict/dict0dict.c, dict/dict0mem.c, handler/ha_innodb.cc, - handler/ha_innodb.h, include/dict0dict.h, include/dict0mem.h, - row/row0mysql.c: - Fix Bug#39830 Table autoinc value not updated on first insert - Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in - ::info - Fix Bug#36411 "Failed to read auto-increment value from storage - engine" in 5.1.24 auto-inc - -2008-10-22 The InnoDB Team - - * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: - Fix Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout - errors - -2008-10-16 The InnoDB Team - - * dict/dict0dict.c, mysql-test/innodb-index.result, - mysql-test/innodb-index.test: - Skip the undo log size check when creating REDUNDANT and COMPACT - tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column - prefix indexes require that prefixes of externally stored columns - be written to the undo log. This may make the undo log record - bigger than the record on the B-tree page. The maximum size of an - undo log record is the page size. That must be checked for, in - dict_index_add_to_cache(). However, this restriction must not - be enforced on REDUNDANT or COMPACT tables. - -2008-10-15 The InnoDB Team - - * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, row/row0sel.c, - row/row0upd.c: - When the server crashes while freeing an externally stored column - of a compressed table, the BTR_EXTERN_LEN field in the BLOB - pointer will be written as 0. Tolerate this in the functions that - deal with externally stored columns. This fixes problems after - crash recovery, in the rollback of incomplete transactions, and in - the purge of delete-marked records. - -2008-10-15 The InnoDB Team - - * btr/btr0btr.c, include/page0zip.h, page/page0zip.c, include/univ.i: - When a B-tree node of a compressed table is split or merged, the - compression may fail. In this case, the entire compressed page - will be copied and the excess records will be deleted. However, - page_zip_copy(), now renamed to page_zip_copy_recs(), copied too - many fields in the page header, overwriting PAGE_BTR_SEG_LEAF and - PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused - corruption of compressed tables. Furthermore, the lock table and - the adaptive hash index would be corrupted, because we forgot to - update them when invoking page_zip_copy_recs(). - - Introduce the symbol UNIV_ZIP_DEBUG for triggering the copying of - compressed pages more often, for debugging purposes. - -2008-10-10 The InnoDB Team - - * handler/handler0alter.cc, include/row0merge.h, row/row0merge.c, - row/row0mysql.c: - Fix some locking issues, mainly in fast index creation. The - InnoDB data dictionary cache should be latched whenever a - transaction is holding locks on any data dictionary tables. - Otherwise, lock waits or deadlocks could occur. Furthermore, the - data dictionary transaction must be committed (and the locks - released) before the data dictionary latch is released. - - ha_innobase::add_index(): Lock the data dictionary before renaming - or dropping the created indexes, because neither operation will - commit the data dictionary transaction. - - ha_innobase::final_drop_index(): Commit the transactions before - unlocking the data dictionary. - -2008-10-09 The InnoDB Team - - * buf/buf0lru.c: - Fix Bug#39939 DROP TABLE/DISCARD TABLESPACE takes long time in - buf_LRU_invalidate_tablespace() - -2008-10-08 The InnoDB Team - - * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, - row/row0merge.c, row/row0mysql.c: - When dropping a table, hold the data dictionary latch until the - transaction has been committed. The data dictionary latch is - supposed to prevent lock waits and deadlocks in the data - dictionary tables. Due to this bug, DROP TABLE could cause a - deadlock or hang. Note that because of Bug#33650 and Bug#39833, - MySQL may also drop a (temporary) table when executing CREATE INDEX - or ALTER TABLE ... ADD INDEX. - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug39438-master.opt, - mysql-test/innodb_bug39438.result, mysql-test/innodb_bug39438.test: - Fix Bug#39438 Testcase for Bug#39436 crashes on 5.1 in - fil_space_get_latch - -2008-10-04 The InnoDB Team - - * include/lock0lock.h, lock/lock0lock.c, - mysql-test/innodb_bug38231.result, mysql-test/innodb_bug38231.test, - row/row0mysql.c: - Fix Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + - LOCK / UNLOCK - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in - ::info - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed - tables - -2008-10-04 The InnoDB Team - - * dict/dict0dict.c, handler/ha_innodb.cc, handler/ha_innodb.h, - include/dict0dict.h, include/dict0mem.h, row/row0mysql.c: - Fix Bug#39830 Table autoinc value not updated on first insert - -2008-10-03 The InnoDB Team - - * mysql-test/innodb-index.test, mysql-test/innodb-index.result, - mysql-test/innodb-timeout.test, mysql-test/innodb-timeout.result, - srv/srv0srv.c, include/srv0srv.h, handler/ha_innodb.cc, - include/ha_prototypes.h: - Fix Bug#36285 innodb_lock_wait_timeout is not dynamic, not per session - -2008-09-19 The InnoDB Team - - * os/os0proc.c: - Fix a memory leak on Windows. The memory leak was due to wrong - parameters passed into VirtualFree() call. As the result, the - call fails with Windows error 87. - -2008-09-17 The InnoDB Team - - * mysql-test/innodb.result, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, mysql-test/innodb.test, ibuf/ibuf0ibuf.c, - dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, - include/dict0dict.h, include/trx0trx.h, dict/dict0dict.c, - trx/trx0trx.c, include/ha_prototypes.h, handler/ha_innodb.cc: - When creating an index in innodb_strict_mode, check that the - maximum record size will never exceed the B-tree page size limit. - For uncompressed tables, there should always be enough space for - two records in an empty B-tree page. For compressed tables, there - should be enough space for storing two node pointer records or one - data record in an empty page in uncompressed format. - The purpose of this check is to guarantee that INSERT or UPDATE - will never fail due to too big record size. - -2008-09-17 The InnoDB Team - - * btr/btr0cur.c, data/data0data.c, include/page0zip.h, - include/page0zip.ic, page/page0zip.c, mysql-test/innodb_bug36172.test: - Prevent infinite B-tree page splits in compressed tables by - ensuring that there will always be enough space for two node - pointer records in an empty B-tree page. Also, require that at - least one data record will fit in an empty compressed page. This - will reduce the maximum size of records in compressed tables. - -2008-09-09 The InnoDB Team - - * mysql-test/innodb.result: - Fix the failing innodb test by merging changes that MySQL made to - that file (r2646.12.1 in MySQL BZR repository) - -2008-09-09 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#38839 auto increment does not work properly with InnoDB after - update - -2008-09-09 The InnoDB Team - - * dict/dict0dict.c, handler/handler0alter.cc, include/dict0dict.h, - mysql-test/innodb-index.result, mysql-test/innodb-index.test: - Fix Bug#38786 InnoDB plugin crashes on drop table/create table with FK - -2008-08-21 The InnoDB Team - - * handler/ha_innodb.cc, include/ha_prototypes.h, row/row0sel.c: - Fix Bug#37885 row_search_for_mysql may gap lock unnecessarily with SQL - comments in query - -2008-08-21 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#38185 ha_innobase::info can hold locks even when called with - HA_STATUS_NO_LOCK - -2008-08-18 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.ic, include/univ.i: - Introduce UNIV_LRU_DEBUG for debugging the LRU buffer pool cache - -2008-08-08 The InnoDB Team - - * buf/buf0lru.c, include/buf0buf.h: - Fix two recovery bugs that could lead to a crash in debug builds with - small buffer size - -2008-08-07 The InnoDB Team - - * btr/btr0cur.c, handler/ha_innodb.cc, include/srv0srv.h, - srv/srv0srv.c: - Add a parameter innodb_stats_sample_pages to allow users to control - the number of index dives when InnoDB estimates the cardinality of - an index (ANALYZE TABLE, SHOW TABLE STATUS etc) - -2008-08-07 The InnoDB Team - - * trx/trx0i_s.c: - Fix a bug that would lead to a crash if a SELECT was issued from the - INFORMATION_SCHEMA tables and there are rolling back transactions at - the same time - -2008-08-06 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, ibuf/ibuf0ibuf.c, include/btr0cur.h, - include/trx0roll.h, include/trx0types.h, row/row0purge.c, - row/row0uins.c, row/row0umod.c, trx/trx0roll.c: - In the rollback of incomplete transactions after crash recovery, - tolerate clustered index records whose externally stored columns - have not been written. - -2008-07-30 The InnoDB Team - - * trx/trx0trx.c: - Fixes a race in recovery where the recovery thread recovering a - PREPARED trx and the background rollback thread can both try - to free the trx after its status is set to COMMITTED_IN_MEMORY. - -2008-07-29 The InnoDB Team - - * include/trx0rec.h, row/row0purge.c, row/row0vers.c, trx/trx0rec.c: - Fix a BLOB corruption bug - -2008-07-15 The InnoDB Team - - * btr/btr0sea.c, dict/dict0dict.c, include/btr0sea.h: - Fixed a timing hole where a thread dropping an index can free the - in-memory index struct while another thread is still using that - structure to remove entries from adaptive hash index belonging - to one of the pages that belongs to the index being dropped. - -2008-07-04 The InnoDB Team - - * mysql-test/innodb-index.result: - Fix the failing innodb-index test by adjusting the result to a new - MySQL behavior (the change occured in BZR-r2667) - -2008-07-03 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: - Remove the negative test cases that produce warnings - -2008-07-02 The InnoDB Team - - * mysql-test/innodb-replace.result, mysql-test/innodb-index.test: - Disable part of innodb-index test because MySQL changed its behavior - and is not calling ::add_index() anymore when adding primary index on - non-NULL column - -2008-07-01 The InnoDB Team - - * mysql-test/innodb-replace.result, mysql-test/innodb-replace.test: - Fix the failing innodb-replace test by merging changes that MySQL - made to that file (r2659 in MySQL BZR repository) - -2008-07-01 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#36942 Performance problem in lock_get_n_rec_locks (SHOW INNODB - STATUS) - -2008-07-01 The InnoDB Team - - * ha/ha0ha.c: - Fix Bug#36941 Performance problem in ha_print_info (SHOW INNODB - STATUS) - -2008-07-01 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#37531 After truncate, auto_increment behaves incorrectly for - InnoDB - -2008-06-19 The InnoDB Team - - * handler/ha_innodb.cc: - Rewrite the function innodb_plugin_init() to support parameters in - different order (in static and dynamic InnoDB) and to support more - parameters in the static InnoDB - -2008-06-19 The InnoDB Team - - * handler/handler0alter.cc: - Fix a bug in ::add_index() which set the transaction state to "active" - but never restored it to the original value. This bug caused warnings - to be printed by the rpl.rpl_ddl mysql-test. - -2008-06-19 The InnoDB Team - - * mysql-test/patches: - Add a directory which contains patches, which need to be applied to - MySQL source in order to get some mysql-tests to succeed. The patches - cannot be committed in MySQL repository because they are specific to - the InnoDB plugin. - -2008-06-19 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test, - row/row0row.c: - Fix an anomaly when updating a record with BLOB prefix - -2008-06-18 The InnoDB Team - - * include/trx0sys.h, srv/srv0start.c, trx/trx0sys.c: - Fix a bug in recovery which was a side effect of the file_format_check - changes - -2008-06-09 The InnoDB Team - - * mysql-test/innodb.result: - Fix the failing innodb test by merging changes that MySQL made to that - file - -2008-06-06 The InnoDB Team - - * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h, - include/srv0srv.h, srv/srv0srv.c: - Fix Bug#36600 SHOW STATUS takes a lot of CPU in - buf_get_latched_pages_number - - * handler/ha_innodb.cc, os/os0file.c: - Fix Bug#11894 innodb_file_per_table crashes w/ Windows .sym symbolic - link hack - - * include/ut0ut.h, srv/srv0srv.c, ut/ut0ut.c: - Fix Bug#36819 ut_usectime does not handle errors from gettimeofday - - * handler/ha_innodb.cc: - Fix Bug#35602 Failed to read auto-increment value from storage engine - - * srv/srv0start.c: - Fix Bug#36149 Read buffer overflow in srv0start.c found during "make - test" - -2008-05-08 The InnoDB Team - - * btr/btr0btr.c, mysql-test/innodb_bug36172.result, - mysql-test/innodb_bug36172.test: - Fix Bug#36172 insert into compressed innodb table crashes - -2008-05-08 The InnoDB Team - - InnoDB Plugin 1.0.1 released - -2008-05-06 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, include/sync0sync.h, - include/trx0sys.h, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, srv/srv0srv.c, srv/srv0start.c, - sync/sync0sync.c, trx/trx0sys.c: - Implement the system tablespace tagging - - * handler/ha_innodb.cc, handler/i_s.cc, include/univ.i, - srv/srv0start.c: - Add InnoDB version in INFORMATION_SCHEMA.PLUGINS.PLUGIN_VERSION, - in the startup message and in a server variable innodb_version. - - * sync/sync0sync.c: - Fix a bug in the sync debug code where a lock with level - SYNC_LEVEL_VARYING would cause an assertion failure when a thread - tried to release it. - -2008-04-30 The InnoDB Team - - * Makefile.am: - Fix Bug#36434 ha_innodb.so is installed in the wrong directory - - * handler/ha_innodb.cc: - Merge change from MySQL (Fix Bug#35406 5.1-opt crashes on select from - I_S.REFERENTIAL_CONSTRAINTS): - ChangeSet@1.2563, 2008-03-18 19:42:04+04:00, gluh@mysql.com +1 -0 - - * scripts/install_innodb_plugins.sql: - Added - - * mysql-test/innodb.result: - Merge change from MySQL (this fixes the failing innodb test): - ChangeSet@1.1810.3601.4, 2008-02-07 02:33:21+04:00 - - * row/row0sel.c: - Fix Bug#35226 RBR event crashes slave - - * handler/ha_innodb.cc: - Change the fix for Bug#32440 to show bytes instead of kilobytes in - INFORMATION_SCHEMA.TABLES.DATA_FREE - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test: - Fix Bug#29507 TRUNCATE shows to many rows effected - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test: - Fix Bug#35537 Innodb doesn't increment handler_update and - handler_delete - -2008-04-29 The InnoDB Team - - * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: - Fix Bug#36310 InnoDB plugin crash - -2008-04-23 The InnoDB Team - - * mysql-test/innodb_bug36169.result, mysql-test/innodb_bug36169.test, - row/row0mysql.c: - Fix Bug#36169 create innodb compressed table with too large row size - crashed - - * (outside the source tree): - Fix Bug#36222 New InnoDB plugin 1.0 has wrong MKDIR_P defined in - Makefile.in - -2008-04-15 The InnoDB Team - - InnoDB Plugin 1.0.0 released diff --git a/perfschema/Doxyfile b/perfschema/Doxyfile deleted file mode 100644 index 62aa7dd8abc..00000000000 --- a/perfschema/Doxyfile +++ /dev/null @@ -1,1419 +0,0 @@ -# Doxyfile 1.5.6 - -# Usage: SVNVERSION=-r$(svnversion) doxygen - -# This file describes the settings to be used by the documentation system -# doxygen (www.doxygen.org) for a project -# -# All text after a hash (#) is considered a comment and will be ignored -# The format is: -# TAG = value [value, ...] -# For lists items can also be appended using: -# TAG += value [value, ...] -# Values that contain spaces should be placed between quotes (" ") - -#--------------------------------------------------------------------------- -# Project related configuration options -#--------------------------------------------------------------------------- - -# This tag specifies the encoding used for all characters in the config file -# that follow. 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If left blank the current directory will be used. - -OUTPUT_DIRECTORY = dox - -# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create -# 4096 sub-directories (in 2 levels) under the output directory of each output -# format and will distribute the generated files over these directories. -# Enabling this option can be useful when feeding doxygen a huge amount of -# source files, where putting all generated files in the same directory would -# otherwise cause performance problems for the file system. - -CREATE_SUBDIRS = NO - -# The OUTPUT_LANGUAGE tag is used to specify the language in which all -# documentation generated by doxygen is written. Doxygen will use this -# information to generate all constant output in the proper language. -# The default language is English, other supported languages are: -# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, -# Croatian, Czech, Danish, Dutch, Farsi, Finnish, French, German, Greek, -# Hungarian, Italian, Japanese, Japanese-en (Japanese with English messages), -# Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, Polish, -# Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, -# and Ukrainian. - -OUTPUT_LANGUAGE = English - -# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will -# include brief member descriptions after the members that are listed in -# the file and class documentation (similar to JavaDoc). -# Set to NO to disable this. - -BRIEF_MEMBER_DESC = YES - -# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend -# the brief description of a member or function before the detailed description. -# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the -# brief descriptions will be completely suppressed. - -REPEAT_BRIEF = YES - -# This tag implements a quasi-intelligent brief description abbreviator -# that is used to form the text in various listings. Each string -# in this list, if found as the leading text of the brief description, will be -# stripped from the text and the result after processing the whole list, is -# used as the annotated text. Otherwise, the brief description is used as-is. -# If left blank, the following values are used ("$name" is automatically -# replaced with the name of the entity): "The $name class" "The $name widget" -# "The $name file" "is" "provides" "specifies" "contains" -# "represents" "a" "an" "the" - -ABBREVIATE_BRIEF = - -# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then -# Doxygen will generate a detailed section even if there is only a brief -# description. - -ALWAYS_DETAILED_SEC = NO - -# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all -# inherited members of a class in the documentation of that class as if those -# members were ordinary class members. Constructors, destructors and assignment -# operators of the base classes will not be shown. - -INLINE_INHERITED_MEMB = NO - -# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full -# path before files name in the file list and in the header files. If set -# to NO the shortest path that makes the file name unique will be used. - -FULL_PATH_NAMES = YES - -# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag -# can be used to strip a user-defined part of the path. Stripping is -# only done if one of the specified strings matches the left-hand part of -# the path. The tag can be used to show relative paths in the file list. -# If left blank the directory from which doxygen is run is used as the -# path to strip. - -STRIP_FROM_PATH = - -# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of -# the path mentioned in the documentation of a class, which tells -# the reader which header file to include in order to use a class. -# If left blank only the name of the header file containing the class -# definition is used. Otherwise one should specify the include paths that -# are normally passed to the compiler using the -I flag. - -STRIP_FROM_INC_PATH = - -# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter -# (but less readable) file names. This can be useful is your file systems -# doesn't support long names like on DOS, Mac, or CD-ROM. - -SHORT_NAMES = NO - -# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen -# will interpret the first line (until the first dot) of a JavaDoc-style -# comment as the brief description. If set to NO, the JavaDoc -# comments will behave just like regular Qt-style comments -# (thus requiring an explicit @brief command for a brief description.) - -JAVADOC_AUTOBRIEF = NO - -# If the QT_AUTOBRIEF tag is set to YES then Doxygen will -# interpret the first line (until the first dot) of a Qt-style -# comment as the brief description. If set to NO, the comments -# will behave just like regular Qt-style comments (thus requiring -# an explicit \brief command for a brief description.) - -QT_AUTOBRIEF = NO - -# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen -# treat a multi-line C++ special comment block (i.e. a block of //! or /// -# comments) as a brief description. This used to be the default behaviour. -# The new default is to treat a multi-line C++ comment block as a detailed -# description. Set this tag to YES if you prefer the old behaviour instead. - -MULTILINE_CPP_IS_BRIEF = NO - -# If the DETAILS_AT_TOP tag is set to YES then Doxygen -# will output the detailed description near the top, like JavaDoc. -# If set to NO, the detailed description appears after the member -# documentation. - -DETAILS_AT_TOP = NO - -# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented -# member inherits the documentation from any documented member that it -# re-implements. - -INHERIT_DOCS = YES - -# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce -# a new page for each member. If set to NO, the documentation of a member will -# be part of the file/class/namespace that contains it. - -SEPARATE_MEMBER_PAGES = NO - -# The TAB_SIZE tag can be used to set the number of spaces in a tab. -# Doxygen uses this value to replace tabs by spaces in code fragments. - -TAB_SIZE = 8 - -# This tag can be used to specify a number of aliases that acts -# as commands in the documentation. An alias has the form "name=value". -# For example adding "sideeffect=\par Side Effects:\n" will allow you to -# put the command \sideeffect (or @sideeffect) in the documentation, which -# will result in a user-defined paragraph with heading "Side Effects:". -# You can put \n's in the value part of an alias to insert newlines. - -ALIASES = - -# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C -# sources only. Doxygen will then generate output that is more tailored for C. -# For instance, some of the names that are used will be different. The list -# of all members will be omitted, etc. - -OPTIMIZE_OUTPUT_FOR_C = YES - -# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java -# sources only. Doxygen will then generate output that is more tailored for -# Java. For instance, namespaces will be presented as packages, qualified -# scopes will look different, etc. - -OPTIMIZE_OUTPUT_JAVA = NO - -# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran -# sources only. Doxygen will then generate output that is more tailored for -# Fortran. - -OPTIMIZE_FOR_FORTRAN = NO - -# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL -# sources. Doxygen will then generate output that is tailored for -# VHDL. - -OPTIMIZE_OUTPUT_VHDL = NO - -# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want -# to include (a tag file for) the STL sources as input, then you should -# set this tag to YES in order to let doxygen match functions declarations and -# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. -# func(std::string) {}). This also make the inheritance and collaboration -# diagrams that involve STL classes more complete and accurate. - -BUILTIN_STL_SUPPORT = NO - -# If you use Microsoft's C++/CLI language, you should set this option to YES to -# enable parsing support. - -CPP_CLI_SUPPORT = NO - -# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. -# Doxygen will parse them like normal C++ but will assume all classes use public -# instead of private inheritance when no explicit protection keyword is present. - -SIP_SUPPORT = NO - -# For Microsoft's IDL there are propget and propput attributes to indicate getter -# and setter methods for a property. Setting this option to YES (the default) -# will make doxygen to replace the get and set methods by a property in the -# documentation. This will only work if the methods are indeed getting or -# setting a simple type. If this is not the case, or you want to show the -# methods anyway, you should set this option to NO. - -IDL_PROPERTY_SUPPORT = YES - -# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC -# tag is set to YES, then doxygen will reuse the documentation of the first -# member in the group (if any) for the other members of the group. By default -# all members of a group must be documented explicitly. - -DISTRIBUTE_GROUP_DOC = NO - -# Set the SUBGROUPING tag to YES (the default) to allow class member groups of -# the same type (for instance a group of public functions) to be put as a -# subgroup of that type (e.g. under the Public Functions section). Set it to -# NO to prevent subgrouping. Alternatively, this can be done per class using -# the \nosubgrouping command. - -SUBGROUPING = YES - -# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum -# is documented as struct, union, or enum with the name of the typedef. So -# typedef struct TypeS {} TypeT, will appear in the documentation as a struct -# with name TypeT. When disabled the typedef will appear as a member of a file, -# namespace, or class. And the struct will be named TypeS. This can typically -# be useful for C code in case the coding convention dictates that all compound -# types are typedef'ed and only the typedef is referenced, never the tag name. - -TYPEDEF_HIDES_STRUCT = NO - -#--------------------------------------------------------------------------- -# Build related configuration options -#--------------------------------------------------------------------------- - -# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in -# documentation are documented, even if no documentation was available. -# Private class members and static file members will be hidden unless -# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES - -EXTRACT_ALL = NO - -# If the EXTRACT_PRIVATE tag is set to YES all private members of a class -# will be included in the documentation. - -EXTRACT_PRIVATE = YES - -# If the EXTRACT_STATIC tag is set to YES all static members of a file -# will be included in the documentation. - -EXTRACT_STATIC = YES - -# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) -# defined locally in source files will be included in the documentation. -# If set to NO only classes defined in header files are included. - -EXTRACT_LOCAL_CLASSES = YES - -# This flag is only useful for Objective-C code. When set to YES local -# methods, which are defined in the implementation section but not in -# the interface are included in the documentation. -# If set to NO (the default) only methods in the interface are included. - -EXTRACT_LOCAL_METHODS = NO - -# If this flag is set to YES, the members of anonymous namespaces will be -# extracted and appear in the documentation as a namespace called -# 'anonymous_namespace{file}', where file will be replaced with the base -# name of the file that contains the anonymous namespace. By default -# anonymous namespace are hidden. - -EXTRACT_ANON_NSPACES = NO - -# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all -# undocumented members of documented classes, files or namespaces. -# If set to NO (the default) these members will be included in the -# various overviews, but no documentation section is generated. -# This option has no effect if EXTRACT_ALL is enabled. - -HIDE_UNDOC_MEMBERS = NO - -# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all -# undocumented classes that are normally visible in the class hierarchy. -# If set to NO (the default) these classes will be included in the various -# overviews. This option has no effect if EXTRACT_ALL is enabled. - -HIDE_UNDOC_CLASSES = NO - -# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all -# friend (class|struct|union) declarations. -# If set to NO (the default) these declarations will be included in the -# documentation. - -HIDE_FRIEND_COMPOUNDS = NO - -# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any -# documentation blocks found inside the body of a function. -# If set to NO (the default) these blocks will be appended to the -# function's detailed documentation block. - -HIDE_IN_BODY_DOCS = NO - -# The INTERNAL_DOCS tag determines if documentation -# that is typed after a \internal command is included. If the tag is set -# to NO (the default) then the documentation will be excluded. -# Set it to YES to include the internal documentation. - -INTERNAL_DOCS = NO - -# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate -# file names in lower-case letters. If set to YES upper-case letters are also -# allowed. This is useful if you have classes or files whose names only differ -# in case and if your file system supports case sensitive file names. Windows -# and Mac users are advised to set this option to NO. - -CASE_SENSE_NAMES = YES - -# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen -# will show members with their full class and namespace scopes in the -# documentation. If set to YES the scope will be hidden. - -HIDE_SCOPE_NAMES = NO - -# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen -# will put a list of the files that are included by a file in the documentation -# of that file. - -SHOW_INCLUDE_FILES = YES - -# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] -# is inserted in the documentation for inline members. - -INLINE_INFO = YES - -# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen -# will sort the (detailed) documentation of file and class members -# alphabetically by member name. If set to NO the members will appear in -# declaration order. - -SORT_MEMBER_DOCS = YES - -# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the -# brief documentation of file, namespace and class members alphabetically -# by member name. If set to NO (the default) the members will appear in -# declaration order. - -SORT_BRIEF_DOCS = NO - -# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the -# hierarchy of group names into alphabetical order. If set to NO (the default) -# the group names will appear in their defined order. - -SORT_GROUP_NAMES = NO - -# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be -# sorted by fully-qualified names, including namespaces. If set to -# NO (the default), the class list will be sorted only by class name, -# not including the namespace part. -# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. -# Note: This option applies only to the class list, not to the -# alphabetical list. - -SORT_BY_SCOPE_NAME = NO - -# The GENERATE_TODOLIST tag can be used to enable (YES) or -# disable (NO) the todo list. This list is created by putting \todo -# commands in the documentation. - -GENERATE_TODOLIST = YES - -# The GENERATE_TESTLIST tag can be used to enable (YES) or -# disable (NO) the test list. This list is created by putting \test -# commands in the documentation. - -GENERATE_TESTLIST = YES - -# The GENERATE_BUGLIST tag can be used to enable (YES) or -# disable (NO) the bug list. This list is created by putting \bug -# commands in the documentation. - -GENERATE_BUGLIST = YES - -# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or -# disable (NO) the deprecated list. This list is created by putting -# \deprecated commands in the documentation. - -GENERATE_DEPRECATEDLIST= YES - -# The ENABLED_SECTIONS tag can be used to enable conditional -# documentation sections, marked by \if sectionname ... \endif. - -ENABLED_SECTIONS = - -# The MAX_INITIALIZER_LINES tag determines the maximum number of lines -# the initial value of a variable or define consists of for it to appear in -# the documentation. If the initializer consists of more lines than specified -# here it will be hidden. Use a value of 0 to hide initializers completely. -# The appearance of the initializer of individual variables and defines in the -# documentation can be controlled using \showinitializer or \hideinitializer -# command in the documentation regardless of this setting. - -MAX_INITIALIZER_LINES = 30 - -# Set the SHOW_USED_FILES tag to NO to disable the list of files generated -# at the bottom of the documentation of classes and structs. If set to YES the -# list will mention the files that were used to generate the documentation. - -SHOW_USED_FILES = YES - -# If the sources in your project are distributed over multiple directories -# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy -# in the documentation. The default is NO. - -SHOW_DIRECTORIES = NO - -# Set the SHOW_FILES tag to NO to disable the generation of the Files page. -# This will remove the Files entry from the Quick Index and from the -# Folder Tree View (if specified). The default is YES. - -SHOW_FILES = YES - -# Set the SHOW_NAMESPACES tag to NO to disable the generation of the -# Namespaces page. This will remove the Namespaces entry from the Quick Index -# and from the Folder Tree View (if specified). The default is YES. - -SHOW_NAMESPACES = YES - -# The FILE_VERSION_FILTER tag can be used to specify a program or script that -# doxygen should invoke to get the current version for each file (typically from -# the version control system). Doxygen will invoke the program by executing (via -# popen()) the command , where is the value of -# the FILE_VERSION_FILTER tag, and is the name of an input file -# provided by doxygen. Whatever the program writes to standard output -# is used as the file version. See the manual for examples. - -FILE_VERSION_FILTER = - -#--------------------------------------------------------------------------- -# configuration options related to warning and progress messages -#--------------------------------------------------------------------------- - -# The QUIET tag can be used to turn on/off the messages that are generated -# by doxygen. Possible values are YES and NO. If left blank NO is used. - -QUIET = YES - -# The WARNINGS tag can be used to turn on/off the warning messages that are -# generated by doxygen. Possible values are YES and NO. If left blank -# NO is used. - -WARNINGS = YES - -# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings -# for undocumented members. If EXTRACT_ALL is set to YES then this flag will -# automatically be disabled. - -WARN_IF_UNDOCUMENTED = YES - -# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for -# potential errors in the documentation, such as not documenting some -# parameters in a documented function, or documenting parameters that -# don't exist or using markup commands wrongly. - -WARN_IF_DOC_ERROR = YES - -# This WARN_NO_PARAMDOC option can be abled to get warnings for -# functions that are documented, but have no documentation for their parameters -# or return value. If set to NO (the default) doxygen will only warn about -# wrong or incomplete parameter documentation, but not about the absence of -# documentation. - -WARN_NO_PARAMDOC = NO - -# The WARN_FORMAT tag determines the format of the warning messages that -# doxygen can produce. The string should contain the $file, $line, and $text -# tags, which will be replaced by the file and line number from which the -# warning originated and the warning text. Optionally the format may contain -# $version, which will be replaced by the version of the file (if it could -# be obtained via FILE_VERSION_FILTER) - -WARN_FORMAT = "$file:$line: $text" - -# The WARN_LOGFILE tag can be used to specify a file to which warning -# and error messages should be written. If left blank the output is written -# to stderr. - -WARN_LOGFILE = - -#--------------------------------------------------------------------------- -# configuration options related to the input files -#--------------------------------------------------------------------------- - -# The INPUT tag can be used to specify the files and/or directories that contain -# documented source files. You may enter file names like "myfile.cpp" or -# directories like "/usr/src/myproject". Separate the files or directories -# with spaces. - -INPUT = . include/univ.i - -# This tag can be used to specify the character encoding of the source files -# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is -# also the default input encoding. Doxygen uses libiconv (or the iconv built -# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for -# the list of possible encodings. - -INPUT_ENCODING = UTF-8 - -# If the value of the INPUT tag contains directories, you can use the -# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp -# and *.h) to filter out the source-files in the directories. If left -# blank the following patterns are tested: -# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx -# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90 - -FILE_PATTERNS = *.c *.ic *.h - -# The RECURSIVE tag can be used to turn specify whether or not subdirectories -# should be searched for input files as well. Possible values are YES and NO. -# If left blank NO is used. - -RECURSIVE = YES - -# The EXCLUDE tag can be used to specify files and/or directories that should -# excluded from the INPUT source files. This way you can easily exclude a -# subdirectory from a directory tree whose root is specified with the INPUT tag. - -EXCLUDE = ut0auxconf_* - -# The EXCLUDE_SYMLINKS tag can be used select whether or not files or -# directories that are symbolic links (a Unix filesystem feature) are excluded -# from the input. - -EXCLUDE_SYMLINKS = NO - -# If the value of the INPUT tag contains directories, you can use the -# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude -# certain files from those directories. Note that the wildcards are matched -# against the file with absolute path, so to exclude all test directories -# for example use the pattern */test/* - -EXCLUDE_PATTERNS = - -# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names -# (namespaces, classes, functions, etc.) that should be excluded from the -# output. The symbol name can be a fully qualified name, a word, or if the -# wildcard * is used, a substring. Examples: ANamespace, AClass, -# AClass::ANamespace, ANamespace::*Test - -EXCLUDE_SYMBOLS = - -# The EXAMPLE_PATH tag can be used to specify one or more files or -# directories that contain example code fragments that are included (see -# the \include command). - -EXAMPLE_PATH = - -# If the value of the EXAMPLE_PATH tag contains directories, you can use the -# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp -# and *.h) to filter out the source-files in the directories. If left -# blank all files are included. - -EXAMPLE_PATTERNS = - -# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be -# searched for input files to be used with the \include or \dontinclude -# commands irrespective of the value of the RECURSIVE tag. -# Possible values are YES and NO. If left blank NO is used. - -EXAMPLE_RECURSIVE = NO - -# The IMAGE_PATH tag can be used to specify one or more files or -# directories that contain image that are included in the documentation (see -# the \image command). - -IMAGE_PATH = - -# The INPUT_FILTER tag can be used to specify a program that doxygen should -# invoke to filter for each input file. Doxygen will invoke the filter program -# by executing (via popen()) the command , where -# is the value of the INPUT_FILTER tag, and is the name of an -# input file. Doxygen will then use the output that the filter program writes -# to standard output. If FILTER_PATTERNS is specified, this tag will be -# ignored. - -INPUT_FILTER = - -# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern -# basis. Doxygen will compare the file name with each pattern and apply the -# filter if there is a match. The filters are a list of the form: -# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further -# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER -# is applied to all files. - -FILTER_PATTERNS = - -# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using -# INPUT_FILTER) will be used to filter the input files when producing source -# files to browse (i.e. when SOURCE_BROWSER is set to YES). - -FILTER_SOURCE_FILES = NO - -#--------------------------------------------------------------------------- -# configuration options related to source browsing -#--------------------------------------------------------------------------- - -# If the SOURCE_BROWSER tag is set to YES then a list of source files will -# be generated. Documented entities will be cross-referenced with these sources. -# Note: To get rid of all source code in the generated output, make sure also -# VERBATIM_HEADERS is set to NO. - -SOURCE_BROWSER = NO - -# Setting the INLINE_SOURCES tag to YES will include the body -# of functions and classes directly in the documentation. - -INLINE_SOURCES = NO - -# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct -# doxygen to hide any special comment blocks from generated source code -# fragments. Normal C and C++ comments will always remain visible. - -STRIP_CODE_COMMENTS = YES - -# If the REFERENCED_BY_RELATION tag is set to YES -# then for each documented function all documented -# functions referencing it will be listed. - -REFERENCED_BY_RELATION = NO - -# If the REFERENCES_RELATION tag is set to YES -# then for each documented function all documented entities -# called/used by that function will be listed. - -REFERENCES_RELATION = NO - -# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) -# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from -# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will -# link to the source code. Otherwise they will link to the documentstion. - -REFERENCES_LINK_SOURCE = YES - -# If the USE_HTAGS tag is set to YES then the references to source code -# will point to the HTML generated by the htags(1) tool instead of doxygen -# built-in source browser. The htags tool is part of GNU's global source -# tagging system (see http://www.gnu.org/software/global/global.html). You -# will need version 4.8.6 or higher. - -USE_HTAGS = NO - -# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen -# will generate a verbatim copy of the header file for each class for -# which an include is specified. Set to NO to disable this. - -VERBATIM_HEADERS = YES - -#--------------------------------------------------------------------------- -# configuration options related to the alphabetical class index -#--------------------------------------------------------------------------- - -# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index -# of all compounds will be generated. Enable this if the project -# contains a lot of classes, structs, unions or interfaces. - -ALPHABETICAL_INDEX = NO - -# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then -# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns -# in which this list will be split (can be a number in the range [1..20]) - -COLS_IN_ALPHA_INDEX = 5 - -# In case all classes in a project start with a common prefix, all -# classes will be put under the same header in the alphabetical index. -# The IGNORE_PREFIX tag can be used to specify one or more prefixes that -# should be ignored while generating the index headers. - -IGNORE_PREFIX = - -#--------------------------------------------------------------------------- -# configuration options related to the HTML output -#--------------------------------------------------------------------------- - -# If the GENERATE_HTML tag is set to YES (the default) Doxygen will -# generate HTML output. - -GENERATE_HTML = YES - -# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `html' will be used as the default path. - -HTML_OUTPUT = html - -# The HTML_FILE_EXTENSION tag can be used to specify the file extension for -# each generated HTML page (for example: .htm,.php,.asp). If it is left blank -# doxygen will generate files with .html extension. - -HTML_FILE_EXTENSION = .html - -# The HTML_HEADER tag can be used to specify a personal HTML header for -# each generated HTML page. If it is left blank doxygen will generate a -# standard header. - -HTML_HEADER = - -# The HTML_FOOTER tag can be used to specify a personal HTML footer for -# each generated HTML page. If it is left blank doxygen will generate a -# standard footer. - -HTML_FOOTER = - -# The HTML_STYLESHEET tag can be used to specify a user-defined cascading -# style sheet that is used by each HTML page. It can be used to -# fine-tune the look of the HTML output. If the tag is left blank doxygen -# will generate a default style sheet. Note that doxygen will try to copy -# the style sheet file to the HTML output directory, so don't put your own -# stylesheet in the HTML output directory as well, or it will be erased! - -HTML_STYLESHEET = - -# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, -# files or namespaces will be aligned in HTML using tables. If set to -# NO a bullet list will be used. - -HTML_ALIGN_MEMBERS = YES - -# If the GENERATE_HTMLHELP tag is set to YES, additional index files -# will be generated that can be used as input for tools like the -# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) -# of the generated HTML documentation. - -GENERATE_HTMLHELP = NO - -# If the GENERATE_DOCSET tag is set to YES, additional index files -# will be generated that can be used as input for Apple's Xcode 3 -# integrated development environment, introduced with OSX 10.5 (Leopard). -# To create a documentation set, doxygen will generate a Makefile in the -# HTML output directory. Running make will produce the docset in that -# directory and running "make install" will install the docset in -# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find -# it at startup. - -GENERATE_DOCSET = NO - -# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the -# feed. A documentation feed provides an umbrella under which multiple -# documentation sets from a single provider (such as a company or product suite) -# can be grouped. - -DOCSET_FEEDNAME = "Doxygen generated docs" - -# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that -# should uniquely identify the documentation set bundle. This should be a -# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen -# will append .docset to the name. - -DOCSET_BUNDLE_ID = org.doxygen.Project - -# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML -# documentation will contain sections that can be hidden and shown after the -# page has loaded. For this to work a browser that supports -# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox -# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). - -HTML_DYNAMIC_SECTIONS = NO - -# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can -# be used to specify the file name of the resulting .chm file. You -# can add a path in front of the file if the result should not be -# written to the html output directory. - -CHM_FILE = - -# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can -# be used to specify the location (absolute path including file name) of -# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run -# the HTML help compiler on the generated index.hhp. - -HHC_LOCATION = - -# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag -# controls if a separate .chi index file is generated (YES) or that -# it should be included in the master .chm file (NO). - -GENERATE_CHI = NO - -# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING -# is used to encode HtmlHelp index (hhk), content (hhc) and project file -# content. - -CHM_INDEX_ENCODING = - -# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag -# controls whether a binary table of contents is generated (YES) or a -# normal table of contents (NO) in the .chm file. - -BINARY_TOC = NO - -# The TOC_EXPAND flag can be set to YES to add extra items for group members -# to the contents of the HTML help documentation and to the tree view. - -TOC_EXPAND = NO - -# The DISABLE_INDEX tag can be used to turn on/off the condensed index at -# top of each HTML page. The value NO (the default) enables the index and -# the value YES disables it. - -DISABLE_INDEX = NO - -# This tag can be used to set the number of enum values (range [1..20]) -# that doxygen will group on one line in the generated HTML documentation. - -ENUM_VALUES_PER_LINE = 4 - -# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index -# structure should be generated to display hierarchical information. -# If the tag value is set to FRAME, a side panel will be generated -# containing a tree-like index structure (just like the one that -# is generated for HTML Help). For this to work a browser that supports -# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, -# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are -# probably better off using the HTML help feature. Other possible values -# for this tag are: HIERARCHIES, which will generate the Groups, Directories, -# and Class Hiererachy pages using a tree view instead of an ordered list; -# ALL, which combines the behavior of FRAME and HIERARCHIES; and NONE, which -# disables this behavior completely. For backwards compatibility with previous -# releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE -# respectively. - -GENERATE_TREEVIEW = NONE - -# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be -# used to set the initial width (in pixels) of the frame in which the tree -# is shown. - -TREEVIEW_WIDTH = 250 - -# Use this tag to change the font size of Latex formulas included -# as images in the HTML documentation. The default is 10. Note that -# when you change the font size after a successful doxygen run you need -# to manually remove any form_*.png images from the HTML output directory -# to force them to be regenerated. - -FORMULA_FONTSIZE = 10 - -#--------------------------------------------------------------------------- -# configuration options related to the LaTeX output -#--------------------------------------------------------------------------- - -# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will -# generate Latex output. - -GENERATE_LATEX = NO - -# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `latex' will be used as the default path. - -LATEX_OUTPUT = latex - -# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be -# invoked. If left blank `latex' will be used as the default command name. - -LATEX_CMD_NAME = latex - -# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to -# generate index for LaTeX. If left blank `makeindex' will be used as the -# default command name. - -MAKEINDEX_CMD_NAME = makeindex - -# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact -# LaTeX documents. This may be useful for small projects and may help to -# save some trees in general. - -COMPACT_LATEX = NO - -# The PAPER_TYPE tag can be used to set the paper type that is used -# by the printer. Possible values are: a4, a4wide, letter, legal and -# executive. If left blank a4wide will be used. - -PAPER_TYPE = a4wide - -# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX -# packages that should be included in the LaTeX output. - -EXTRA_PACKAGES = - -# The LATEX_HEADER tag can be used to specify a personal LaTeX header for -# the generated latex document. The header should contain everything until -# the first chapter. If it is left blank doxygen will generate a -# standard header. Notice: only use this tag if you know what you are doing! - -LATEX_HEADER = - -# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated -# is prepared for conversion to pdf (using ps2pdf). The pdf file will -# contain links (just like the HTML output) instead of page references -# This makes the output suitable for online browsing using a pdf viewer. - -PDF_HYPERLINKS = YES - -# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of -# plain latex in the generated Makefile. Set this option to YES to get a -# higher quality PDF documentation. - -USE_PDFLATEX = YES - -# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. -# command to the generated LaTeX files. This will instruct LaTeX to keep -# running if errors occur, instead of asking the user for help. -# This option is also used when generating formulas in HTML. - -LATEX_BATCHMODE = NO - -# If LATEX_HIDE_INDICES is set to YES then doxygen will not -# include the index chapters (such as File Index, Compound Index, etc.) -# in the output. - -LATEX_HIDE_INDICES = NO - -#--------------------------------------------------------------------------- -# configuration options related to the RTF output -#--------------------------------------------------------------------------- - -# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output -# The RTF output is optimized for Word 97 and may not look very pretty with -# other RTF readers or editors. - -GENERATE_RTF = NO - -# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `rtf' will be used as the default path. - -RTF_OUTPUT = rtf - -# If the COMPACT_RTF tag is set to YES Doxygen generates more compact -# RTF documents. This may be useful for small projects and may help to -# save some trees in general. - -COMPACT_RTF = NO - -# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated -# will contain hyperlink fields. The RTF file will -# contain links (just like the HTML output) instead of page references. -# This makes the output suitable for online browsing using WORD or other -# programs which support those fields. -# Note: wordpad (write) and others do not support links. - -RTF_HYPERLINKS = NO - -# Load stylesheet definitions from file. Syntax is similar to doxygen's -# config file, i.e. a series of assignments. You only have to provide -# replacements, missing definitions are set to their default value. - -RTF_STYLESHEET_FILE = - -# Set optional variables used in the generation of an rtf document. -# Syntax is similar to doxygen's config file. - -RTF_EXTENSIONS_FILE = - -#--------------------------------------------------------------------------- -# configuration options related to the man page output -#--------------------------------------------------------------------------- - -# If the GENERATE_MAN tag is set to YES (the default) Doxygen will -# generate man pages - -GENERATE_MAN = NO - -# The MAN_OUTPUT tag is used to specify where the man pages will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `man' will be used as the default path. - -MAN_OUTPUT = man - -# The MAN_EXTENSION tag determines the extension that is added to -# the generated man pages (default is the subroutine's section .3) - -MAN_EXTENSION = .3 - -# If the MAN_LINKS tag is set to YES and Doxygen generates man output, -# then it will generate one additional man file for each entity -# documented in the real man page(s). These additional files -# only source the real man page, but without them the man command -# would be unable to find the correct page. The default is NO. - -MAN_LINKS = NO - -#--------------------------------------------------------------------------- -# configuration options related to the XML output -#--------------------------------------------------------------------------- - -# If the GENERATE_XML tag is set to YES Doxygen will -# generate an XML file that captures the structure of -# the code including all documentation. - -GENERATE_XML = NO - -# The XML_OUTPUT tag is used to specify where the XML pages will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `xml' will be used as the default path. - -XML_OUTPUT = xml - -# The XML_SCHEMA tag can be used to specify an XML schema, -# which can be used by a validating XML parser to check the -# syntax of the XML files. - -XML_SCHEMA = - -# The XML_DTD tag can be used to specify an XML DTD, -# which can be used by a validating XML parser to check the -# syntax of the XML files. - -XML_DTD = - -# If the XML_PROGRAMLISTING tag is set to YES Doxygen will -# dump the program listings (including syntax highlighting -# and cross-referencing information) to the XML output. Note that -# enabling this will significantly increase the size of the XML output. - -XML_PROGRAMLISTING = YES - -#--------------------------------------------------------------------------- -# configuration options for the AutoGen Definitions output -#--------------------------------------------------------------------------- - -# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will -# generate an AutoGen Definitions (see autogen.sf.net) file -# that captures the structure of the code including all -# documentation. Note that this feature is still experimental -# and incomplete at the moment. - -GENERATE_AUTOGEN_DEF = NO - -#--------------------------------------------------------------------------- -# configuration options related to the Perl module output -#--------------------------------------------------------------------------- - -# If the GENERATE_PERLMOD tag is set to YES Doxygen will -# generate a Perl module file that captures the structure of -# the code including all documentation. Note that this -# feature is still experimental and incomplete at the -# moment. - -GENERATE_PERLMOD = NO - -# If the PERLMOD_LATEX tag is set to YES Doxygen will generate -# the necessary Makefile rules, Perl scripts and LaTeX code to be able -# to generate PDF and DVI output from the Perl module output. - -PERLMOD_LATEX = NO - -# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be -# nicely formatted so it can be parsed by a human reader. This is useful -# if you want to understand what is going on. On the other hand, if this -# tag is set to NO the size of the Perl module output will be much smaller -# and Perl will parse it just the same. - -PERLMOD_PRETTY = YES - -# The names of the make variables in the generated doxyrules.make file -# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. -# This is useful so different doxyrules.make files included by the same -# Makefile don't overwrite each other's variables. - -PERLMOD_MAKEVAR_PREFIX = - -#--------------------------------------------------------------------------- -# Configuration options related to the preprocessor -#--------------------------------------------------------------------------- - -# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will -# evaluate all C-preprocessor directives found in the sources and include -# files. - -ENABLE_PREPROCESSING = YES - -# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro -# names in the source code. If set to NO (the default) only conditional -# compilation will be performed. Macro expansion can be done in a controlled -# way by setting EXPAND_ONLY_PREDEF to YES. - -MACRO_EXPANSION = YES - -# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES -# then the macro expansion is limited to the macros specified with the -# PREDEFINED and EXPAND_AS_DEFINED tags. - -EXPAND_ONLY_PREDEF = YES - -# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files -# in the INCLUDE_PATH (see below) will be search if a #include is found. - -SEARCH_INCLUDES = YES - -# The INCLUDE_PATH tag can be used to specify one or more directories that -# contain include files that are not input files but should be processed by -# the preprocessor. - -INCLUDE_PATH = - -# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard -# patterns (like *.h and *.hpp) to filter out the header-files in the -# directories. If left blank, the patterns specified with FILE_PATTERNS will -# be used. - -INCLUDE_FILE_PATTERNS = - -# The PREDEFINED tag can be used to specify one or more macro names that -# are defined before the preprocessor is started (similar to the -D option of -# gcc). The argument of the tag is a list of macros of the form: name -# or name=definition (no spaces). If the definition and the = are -# omitted =1 is assumed. To prevent a macro definition from being -# undefined via #undef or recursively expanded use the := operator -# instead of the = operator. - -PREDEFINED = DOXYGEN UNIV_DEBUG UNIV_SYNC_DEBUG __attribute__()= - -# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then -# this tag can be used to specify a list of macro names that should be expanded. -# The macro definition that is found in the sources will be used. -# Use the PREDEFINED tag if you want to use a different macro definition. - -EXPAND_AS_DEFINED = UT_LIST_BASE_NODE_T UT_LIST_NODE_T - -# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then -# doxygen's preprocessor will remove all function-like macros that are alone -# on a line, have an all uppercase name, and do not end with a semicolon. Such -# function macros are typically used for boiler-plate code, and will confuse -# the parser if not removed. - -SKIP_FUNCTION_MACROS = YES - -#--------------------------------------------------------------------------- -# Configuration::additions related to external references -#--------------------------------------------------------------------------- - -# The TAGFILES option can be used to specify one or more tagfiles. -# Optionally an initial location of the external documentation -# can be added for each tagfile. The format of a tag file without -# this location is as follows: -# TAGFILES = file1 file2 ... -# Adding location for the tag files is done as follows: -# TAGFILES = file1=loc1 "file2 = loc2" ... -# where "loc1" and "loc2" can be relative or absolute paths or -# URLs. If a location is present for each tag, the installdox tool -# does not have to be run to correct the links. -# Note that each tag file must have a unique name -# (where the name does NOT include the path) -# If a tag file is not located in the directory in which doxygen -# is run, you must also specify the path to the tagfile here. - -TAGFILES = - -# When a file name is specified after GENERATE_TAGFILE, doxygen will create -# a tag file that is based on the input files it reads. - -GENERATE_TAGFILE = - -# If the ALLEXTERNALS tag is set to YES all external classes will be listed -# in the class index. If set to NO only the inherited external classes -# will be listed. - -ALLEXTERNALS = NO - -# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed -# in the modules index. If set to NO, only the current project's groups will -# be listed. - -EXTERNAL_GROUPS = NO - -# The PERL_PATH should be the absolute path and name of the perl script -# interpreter (i.e. the result of `which perl'). - -PERL_PATH = /usr/bin/perl - -#--------------------------------------------------------------------------- -# Configuration options related to the dot tool -#--------------------------------------------------------------------------- - -# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will -# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base -# or super classes. Setting the tag to NO turns the diagrams off. Note that -# this option is superseded by the HAVE_DOT option below. This is only a -# fallback. It is recommended to install and use dot, since it yields more -# powerful graphs. - -CLASS_DIAGRAMS = YES - -# You can define message sequence charts within doxygen comments using the \msc -# command. Doxygen will then run the mscgen tool (see -# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the -# documentation. The MSCGEN_PATH tag allows you to specify the directory where -# the mscgen tool resides. If left empty the tool is assumed to be found in the -# default search path. - -MSCGEN_PATH = - -# If set to YES, the inheritance and collaboration graphs will hide -# inheritance and usage relations if the target is undocumented -# or is not a class. - -HIDE_UNDOC_RELATIONS = YES - -# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is -# available from the path. This tool is part of Graphviz, a graph visualization -# toolkit from AT&T and Lucent Bell Labs. The other options in this section -# have no effect if this option is set to NO (the default) - -HAVE_DOT = YES - -# By default doxygen will write a font called FreeSans.ttf to the output -# directory and reference it in all dot files that doxygen generates. This -# font does not include all possible unicode characters however, so when you need -# these (or just want a differently looking font) you can specify the font name -# using DOT_FONTNAME. You need need to make sure dot is able to find the font, -# which can be done by putting it in a standard location or by setting the -# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory -# containing the font. - -DOT_FONTNAME = FreeSans - -# By default doxygen will tell dot to use the output directory to look for the -# FreeSans.ttf font (which doxygen will put there itself). If you specify a -# different font using DOT_FONTNAME you can set the path where dot -# can find it using this tag. - -DOT_FONTPATH = - -# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen -# will generate a graph for each documented class showing the direct and -# indirect inheritance relations. Setting this tag to YES will force the -# the CLASS_DIAGRAMS tag to NO. - -CLASS_GRAPH = YES - -# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen -# will generate a graph for each documented class showing the direct and -# indirect implementation dependencies (inheritance, containment, and -# class references variables) of the class with other documented classes. - -COLLABORATION_GRAPH = YES - -# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen -# will generate a graph for groups, showing the direct groups dependencies - -GROUP_GRAPHS = NO - -# If the UML_LOOK tag is set to YES doxygen will generate inheritance and -# collaboration diagrams in a style similar to the OMG's Unified Modeling -# Language. - -UML_LOOK = NO - -# If set to YES, the inheritance and collaboration graphs will show the -# relations between templates and their instances. - -TEMPLATE_RELATIONS = NO - -# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT -# tags are set to YES then doxygen will generate a graph for each documented -# file showing the direct and indirect include dependencies of the file with -# other documented files. - -INCLUDE_GRAPH = YES - -# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and -# HAVE_DOT tags are set to YES then doxygen will generate a graph for each -# documented header file showing the documented files that directly or -# indirectly include this file. - -INCLUDED_BY_GRAPH = YES - -# If the CALL_GRAPH and HAVE_DOT options are set to YES then -# doxygen will generate a call dependency graph for every global function -# or class method. Note that enabling this option will significantly increase -# the time of a run. So in most cases it will be better to enable call graphs -# for selected functions only using the \callgraph command. - -CALL_GRAPH = NO - -# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then -# doxygen will generate a caller dependency graph for every global function -# or class method. Note that enabling this option will significantly increase -# the time of a run. So in most cases it will be better to enable caller -# graphs for selected functions only using the \callergraph command. - -CALLER_GRAPH = NO - -# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen -# will graphical hierarchy of all classes instead of a textual one. - -GRAPHICAL_HIERARCHY = YES - -# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES -# then doxygen will show the dependencies a directory has on other directories -# in a graphical way. The dependency relations are determined by the #include -# relations between the files in the directories. - -DIRECTORY_GRAPH = YES - -# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images -# generated by dot. Possible values are png, jpg, or gif -# If left blank png will be used. - -DOT_IMAGE_FORMAT = png - -# The tag DOT_PATH can be used to specify the path where the dot tool can be -# found. If left blank, it is assumed the dot tool can be found in the path. - -DOT_PATH = - -# The DOTFILE_DIRS tag can be used to specify one or more directories that -# contain dot files that are included in the documentation (see the -# \dotfile command). - -DOTFILE_DIRS = - -# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of -# nodes that will be shown in the graph. If the number of nodes in a graph -# becomes larger than this value, doxygen will truncate the graph, which is -# visualized by representing a node as a red box. Note that doxygen if the -# number of direct children of the root node in a graph is already larger than -# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note -# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. - -DOT_GRAPH_MAX_NODES = 50 - -# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the -# graphs generated by dot. A depth value of 3 means that only nodes reachable -# from the root by following a path via at most 3 edges will be shown. Nodes -# that lay further from the root node will be omitted. Note that setting this -# option to 1 or 2 may greatly reduce the computation time needed for large -# code bases. Also note that the size of a graph can be further restricted by -# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. - -MAX_DOT_GRAPH_DEPTH = 3 - -# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent -# background. This is enabled by default, which results in a transparent -# background. Warning: Depending on the platform used, enabling this option -# may lead to badly anti-aliased labels on the edges of a graph (i.e. they -# become hard to read). - -DOT_TRANSPARENT = YES - -# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output -# files in one run (i.e. multiple -o and -T options on the command line). This -# makes dot run faster, but since only newer versions of dot (>1.8.10) -# support this, this feature is disabled by default. - -DOT_MULTI_TARGETS = NO - -# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will -# generate a legend page explaining the meaning of the various boxes and -# arrows in the dot generated graphs. - -GENERATE_LEGEND = YES - -# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will -# remove the intermediate dot files that are used to generate -# the various graphs. - -DOT_CLEANUP = YES - -#--------------------------------------------------------------------------- -# Configuration::additions related to the search engine -#--------------------------------------------------------------------------- - -# The SEARCHENGINE tag specifies whether or not a search engine should be -# used. If set to NO the values of all tags below this one will be ignored. - -SEARCHENGINE = NO diff --git a/perfschema/Makefile.am b/perfschema/Makefile.am deleted file mode 100644 index 4e680134c0c..00000000000 --- a/perfschema/Makefile.am +++ /dev/null @@ -1,343 +0,0 @@ -# Copyright (C) 2001, 2004, 2006 MySQL AB & Innobase Oy -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -# Process this file with automake to create Makefile.in - -MYSQLDATAdir= $(localstatedir) -MYSQLSHAREdir= $(pkgdatadir) -MYSQLBASEdir= $(prefix) -MYSQLLIBdir= $(pkglibdir) -pkgplugindir= $(pkglibdir)/plugin -INCLUDES= -I$(top_srcdir)/include -I$(top_builddir)/include \ - -I$(top_srcdir)/regex \ - -I$(srcdir)/include \ - -I$(top_srcdir)/sql \ - -I$(srcdir) @ZLIB_INCLUDES@ - -DEFS= @DEFS@ - -noinst_HEADERS= \ - handler/ha_innodb.h \ - handler/i_s.h \ - include/btr0btr.h \ - include/btr0btr.ic \ - include/btr0cur.h \ - include/btr0cur.ic \ - include/btr0pcur.h \ - include/btr0pcur.ic \ - include/btr0sea.h \ - include/btr0sea.ic \ - include/btr0types.h \ - include/buf0buddy.h \ - include/buf0buddy.ic \ - include/buf0buf.h \ - include/buf0buf.ic \ - include/buf0flu.h \ - include/buf0flu.ic \ - include/buf0lru.h \ - include/buf0lru.ic \ - include/buf0rea.h \ - include/buf0types.h \ - include/data0data.h \ - include/data0data.ic \ - include/data0type.h \ - include/data0type.ic \ - include/data0types.h \ - include/db0err.h \ - include/dict0boot.h \ - include/dict0boot.ic \ - include/dict0crea.h \ - include/dict0crea.ic \ - include/dict0dict.h \ - include/dict0dict.ic \ - include/dict0load.h \ - include/dict0load.ic \ - include/dict0mem.h \ - include/dict0mem.ic \ - include/dict0types.h \ - include/dyn0dyn.h \ - include/dyn0dyn.ic \ - include/eval0eval.h \ - include/eval0eval.ic \ - include/eval0proc.h \ - include/eval0proc.ic \ - include/fil0fil.h \ - include/fsp0fsp.h \ - include/fsp0fsp.ic \ - include/fsp0types.h \ - include/fut0fut.h \ - include/fut0fut.ic \ - include/fut0lst.h \ - include/fut0lst.ic \ - include/ha0ha.h \ - include/ha0ha.ic \ - include/ha0storage.h \ - include/ha0storage.ic \ - include/ha_prototypes.h \ - include/handler0alter.h \ - include/hash0hash.h \ - include/hash0hash.ic \ - include/ibuf0ibuf.h \ - include/ibuf0ibuf.ic \ - include/ibuf0types.h \ - include/lock0iter.h \ - include/lock0lock.h \ - include/lock0lock.ic \ - include/lock0priv.h \ - include/lock0priv.ic \ - include/lock0types.h \ - include/log0log.h \ - include/log0log.ic \ - include/log0recv.h \ - include/log0recv.ic \ - include/mach0data.h \ - include/mach0data.ic \ - include/mem0dbg.h \ - include/mem0dbg.ic \ - include/mem0mem.h \ - include/mem0mem.ic \ - include/mem0pool.h \ - include/mem0pool.ic \ - include/mtr0log.h \ - include/mtr0log.ic \ - include/mtr0mtr.h \ - include/mtr0mtr.ic \ - include/mtr0types.h \ - include/mysql_addons.h \ - include/os0file.h \ - include/os0proc.h \ - include/os0proc.ic \ - include/os0sync.h \ - include/os0sync.ic \ - include/os0thread.h \ - include/os0thread.ic \ - include/page0cur.h \ - include/page0cur.ic \ - include/page0page.h \ - include/page0page.ic \ - include/page0types.h \ - include/page0zip.h \ - include/page0zip.ic \ - include/pars0grm.h \ - include/pars0opt.h \ - include/pars0opt.ic \ - include/pars0pars.h \ - include/pars0pars.ic \ - include/pars0sym.h \ - include/pars0sym.ic \ - include/pars0types.h \ - include/que0que.h \ - include/que0que.ic \ - include/que0types.h \ - include/read0read.h \ - include/read0read.ic \ - include/read0types.h \ - include/rem0cmp.h \ - include/rem0cmp.ic \ - include/rem0rec.h \ - include/rem0rec.ic \ - include/rem0types.h \ - include/row0ext.h \ - include/row0ext.ic \ - include/row0ins.h \ - include/row0ins.ic \ - include/row0merge.h \ - include/row0mysql.h \ - include/row0mysql.ic \ - include/row0purge.h \ - include/row0purge.ic \ - include/row0row.h \ - include/row0row.ic \ - include/row0sel.h \ - include/row0sel.ic \ - include/row0types.h \ - include/row0uins.h \ - include/row0uins.ic \ - include/row0umod.h \ - include/row0umod.ic \ - include/row0undo.h \ - include/row0undo.ic \ - include/row0upd.h \ - include/row0upd.ic \ - include/row0vers.h \ - include/row0vers.ic \ - include/srv0que.h \ - include/srv0srv.h \ - include/srv0srv.ic \ - include/srv0start.h \ - include/sync0arr.h \ - include/sync0arr.ic \ - include/sync0rw.h \ - include/sync0rw.ic \ - include/sync0sync.h \ - include/sync0sync.ic \ - include/sync0types.h \ - include/thr0loc.h \ - include/thr0loc.ic \ - include/trx0i_s.h \ - include/trx0purge.h \ - include/trx0purge.ic \ - include/trx0rec.h \ - include/trx0rec.ic \ - include/trx0roll.h \ - include/trx0roll.ic \ - include/trx0rseg.h \ - include/trx0rseg.ic \ - include/trx0sys.h \ - include/trx0sys.ic \ - include/trx0trx.h \ - include/trx0trx.ic \ - include/trx0types.h \ - include/trx0undo.h \ - include/trx0undo.ic \ - include/trx0xa.h \ - include/univ.i \ - include/usr0sess.h \ - include/usr0sess.ic \ - include/usr0types.h \ - include/ut0auxconf.h \ - include/ut0byte.h \ - include/ut0byte.ic \ - include/ut0dbg.h \ - include/ut0list.h \ - include/ut0list.ic \ - include/ut0lst.h \ - include/ut0mem.h \ - include/ut0mem.ic \ - include/ut0rbt.h \ - include/ut0rnd.h \ - include/ut0rnd.ic \ - include/ut0sort.h \ - include/ut0ut.h \ - include/ut0ut.ic \ - include/ut0vec.h \ - include/ut0vec.ic \ - include/ut0wqueue.h \ - mem/mem0dbg.c - -EXTRA_LIBRARIES= libinnobase.a -noinst_LIBRARIES= @plugin_innobase_static_target@ -libinnobase_a_SOURCES= \ - btr/btr0btr.c \ - btr/btr0cur.c \ - btr/btr0pcur.c \ - btr/btr0sea.c \ - buf/buf0buddy.c \ - buf/buf0buf.c \ - buf/buf0flu.c \ - buf/buf0lru.c \ - buf/buf0rea.c \ - data/data0data.c \ - data/data0type.c \ - dict/dict0boot.c \ - dict/dict0crea.c \ - dict/dict0dict.c \ - dict/dict0load.c \ - dict/dict0mem.c \ - dyn/dyn0dyn.c \ - eval/eval0eval.c \ - eval/eval0proc.c \ - fil/fil0fil.c \ - fsp/fsp0fsp.c \ - fut/fut0fut.c \ - fut/fut0lst.c \ - ha/ha0ha.c \ - ha/ha0storage.c \ - ha/hash0hash.c \ - handler/ha_innodb.cc \ - handler/handler0alter.cc \ - handler/i_s.cc \ - handler/mysql_addons.cc \ - ibuf/ibuf0ibuf.c \ - lock/lock0iter.c \ - lock/lock0lock.c \ - log/log0log.c \ - log/log0recv.c \ - mach/mach0data.c \ - mem/mem0mem.c \ - mem/mem0pool.c \ - mtr/mtr0log.c \ - mtr/mtr0mtr.c \ - os/os0file.c \ - os/os0proc.c \ - os/os0sync.c \ - os/os0thread.c \ - page/page0cur.c \ - page/page0page.c \ - page/page0zip.c \ - pars/lexyy.c \ - pars/pars0grm.c \ - pars/pars0opt.c \ - pars/pars0pars.c \ - pars/pars0sym.c \ - que/que0que.c \ - read/read0read.c \ - rem/rem0cmp.c \ - rem/rem0rec.c \ - row/row0ext.c \ - row/row0ins.c \ - row/row0merge.c \ - row/row0mysql.c \ - row/row0purge.c \ - row/row0row.c \ - row/row0sel.c \ - row/row0uins.c \ - row/row0umod.c \ - row/row0undo.c \ - row/row0upd.c \ - row/row0vers.c \ - srv/srv0que.c \ - srv/srv0srv.c \ - srv/srv0start.c \ - sync/sync0arr.c \ - sync/sync0rw.c \ - sync/sync0sync.c \ - thr/thr0loc.c \ - trx/trx0i_s.c \ - trx/trx0purge.c \ - trx/trx0rec.c \ - trx/trx0roll.c \ - trx/trx0rseg.c \ - trx/trx0sys.c \ - trx/trx0trx.c \ - trx/trx0undo.c \ - usr/usr0sess.c \ - ut/ut0byte.c \ - ut/ut0dbg.c \ - ut/ut0list.c \ - ut/ut0mem.c \ - ut/ut0rbt.c \ - ut/ut0rnd.c \ - ut/ut0ut.c \ - ut/ut0vec.c \ - ut/ut0wqueue.c - -libinnobase_a_CXXFLAGS= $(AM_CFLAGS) -libinnobase_a_CFLAGS= $(AM_CFLAGS) - -EXTRA_LTLIBRARIES= ha_innodb.la -pkgplugin_LTLIBRARIES= @plugin_innobase_shared_target@ - -ha_innodb_la_LDFLAGS= -module -rpath $(pkgplugindir) -ha_innodb_la_CXXFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) -ha_innodb_la_CFLAGS= $(AM_CFLAGS) $(INNODB_DYNAMIC_CFLAGS) -ha_innodb_la_SOURCES= $(libinnobase_a_SOURCES) - -EXTRA_DIST= CMakeLists.txt plug.in \ - pars/make_bison.sh pars/make_flex.sh \ - pars/pars0grm.y pars/pars0lex.l - -# Don't update the files from bitkeeper -%::SCCS/s.% diff --git a/perfschema/btr/btr0btr.c b/perfschema/btr/btr0btr.c deleted file mode 100644 index 8589d415131..00000000000 --- a/perfschema/btr/btr0btr.c +++ /dev/null @@ -1,3730 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file btr/btr0btr.c -The B-tree - -Created 6/2/1994 Heikki Tuuri -*******************************************************/ - -#include "btr0btr.h" - -#ifdef UNIV_NONINL -#include "btr0btr.ic" -#endif - -#include "fsp0fsp.h" -#include "page0page.h" -#include "page0zip.h" - -#ifndef UNIV_HOTBACKUP -#include "btr0cur.h" -#include "btr0sea.h" -#include "btr0pcur.h" -#include "rem0cmp.h" -#include "lock0lock.h" -#include "ibuf0ibuf.h" -#include "trx0trx.h" - -/* -Latching strategy of the InnoDB B-tree --------------------------------------- -A tree latch protects all non-leaf nodes of the tree. Each node of a tree -also has a latch of its own. - -A B-tree operation normally first acquires an S-latch on the tree. It -searches down the tree and releases the tree latch when it has the -leaf node latch. To save CPU time we do not acquire any latch on -non-leaf nodes of the tree during a search, those pages are only bufferfixed. - -If an operation needs to restructure the tree, it acquires an X-latch on -the tree before searching to a leaf node. If it needs, for example, to -split a leaf, -(1) InnoDB decides the split point in the leaf, -(2) allocates a new page, -(3) inserts the appropriate node pointer to the first non-leaf level, -(4) releases the tree X-latch, -(5) and then moves records from the leaf to the new allocated page. - -Node pointers -------------- -Leaf pages of a B-tree contain the index records stored in the -tree. On levels n > 0 we store 'node pointers' to pages on level -n - 1. For each page there is exactly one node pointer stored: -thus the our tree is an ordinary B-tree, not a B-link tree. - -A node pointer contains a prefix P of an index record. The prefix -is long enough so that it determines an index record uniquely. -The file page number of the child page is added as the last -field. To the child page we can store node pointers or index records -which are >= P in the alphabetical order, but < P1 if there is -a next node pointer on the level, and P1 is its prefix. - -If a node pointer with a prefix P points to a non-leaf child, -then the leftmost record in the child must have the same -prefix P. If it points to a leaf node, the child is not required -to contain any record with a prefix equal to P. The leaf case -is decided this way to allow arbitrary deletions in a leaf node -without touching upper levels of the tree. - -We have predefined a special minimum record which we -define as the smallest record in any alphabetical order. -A minimum record is denoted by setting a bit in the record -header. A minimum record acts as the prefix of a node pointer -which points to a leftmost node on any level of the tree. - -File page allocation --------------------- -In the root node of a B-tree there are two file segment headers. -The leaf pages of a tree are allocated from one file segment, to -make them consecutive on disk if possible. From the other file segment -we allocate pages for the non-leaf levels of the tree. -*/ - -#ifdef UNIV_BTR_DEBUG -/**************************************************************//** -Checks a file segment header within a B-tree root page. -@return TRUE if valid */ -static -ibool -btr_root_fseg_validate( -/*===================*/ - const fseg_header_t* seg_header, /*!< in: segment header */ - ulint space) /*!< in: tablespace identifier */ -{ - ulint offset = mach_read_from_2(seg_header + FSEG_HDR_OFFSET); - - ut_a(mach_read_from_4(seg_header + FSEG_HDR_SPACE) == space); - ut_a(offset >= FIL_PAGE_DATA); - ut_a(offset <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); - return(TRUE); -} -#endif /* UNIV_BTR_DEBUG */ - -/**************************************************************//** -Gets the root node of a tree and x-latches it. -@return root page, x-latched */ -static -buf_block_t* -btr_root_block_get( -/*===============*/ - dict_index_t* index, /*!< in: index tree */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint space; - ulint zip_size; - ulint root_page_no; - buf_block_t* block; - - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - root_page_no = dict_index_get_page(index); - - block = btr_block_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); - ut_a((ibool)!!page_is_comp(buf_block_get_frame(block)) - == dict_table_is_comp(index->table)); -#ifdef UNIV_BTR_DEBUG - if (!dict_index_is_ibuf(index)) { - const page_t* root = buf_block_get_frame(block); - - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); - } -#endif /* UNIV_BTR_DEBUG */ - - return(block); -} - -/**************************************************************//** -Gets the root node of a tree and x-latches it. -@return root page, x-latched */ -UNIV_INTERN -page_t* -btr_root_get( -/*=========*/ - dict_index_t* index, /*!< in: index tree */ - mtr_t* mtr) /*!< in: mtr */ -{ - return(buf_block_get_frame(btr_root_block_get(index, mtr))); -} - -/*************************************************************//** -Gets pointer to the previous user record in the tree. It is assumed that -the caller has appropriate latches on the page and its neighbor. -@return previous user record, NULL if there is none */ -UNIV_INTERN -rec_t* -btr_get_prev_user_rec( -/*==================*/ - rec_t* rec, /*!< in: record on leaf level */ - mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if - needed, also to the previous page */ -{ - page_t* page; - page_t* prev_page; - ulint prev_page_no; - - if (!page_rec_is_infimum(rec)) { - - rec_t* prev_rec = page_rec_get_prev(rec); - - if (!page_rec_is_infimum(prev_rec)) { - - return(prev_rec); - } - } - - page = page_align(rec); - prev_page_no = btr_page_get_prev(page, mtr); - - if (prev_page_no != FIL_NULL) { - - ulint space; - ulint zip_size; - buf_block_t* prev_block; - - space = page_get_space_id(page); - zip_size = fil_space_get_zip_size(space); - - prev_block = buf_page_get_with_no_latch(space, zip_size, - prev_page_no, mtr); - prev_page = buf_block_get_frame(prev_block); - /* The caller must already have a latch to the brother */ - ut_ad(mtr_memo_contains(mtr, prev_block, - MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains(mtr, prev_block, - MTR_MEMO_PAGE_X_FIX)); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(prev_page) == page_is_comp(page)); - ut_a(btr_page_get_next(prev_page, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - return(page_rec_get_prev(page_get_supremum_rec(prev_page))); - } - - return(NULL); -} - -/*************************************************************//** -Gets pointer to the next user record in the tree. It is assumed that the -caller has appropriate latches on the page and its neighbor. -@return next user record, NULL if there is none */ -UNIV_INTERN -rec_t* -btr_get_next_user_rec( -/*==================*/ - rec_t* rec, /*!< in: record on leaf level */ - mtr_t* mtr) /*!< in: mtr holding a latch on the page, and if - needed, also to the next page */ -{ - page_t* page; - page_t* next_page; - ulint next_page_no; - - if (!page_rec_is_supremum(rec)) { - - rec_t* next_rec = page_rec_get_next(rec); - - if (!page_rec_is_supremum(next_rec)) { - - return(next_rec); - } - } - - page = page_align(rec); - next_page_no = btr_page_get_next(page, mtr); - - if (next_page_no != FIL_NULL) { - ulint space; - ulint zip_size; - buf_block_t* next_block; - - space = page_get_space_id(page); - zip_size = fil_space_get_zip_size(space); - - next_block = buf_page_get_with_no_latch(space, zip_size, - next_page_no, mtr); - next_page = buf_block_get_frame(next_block); - /* The caller must already have a latch to the brother */ - ut_ad(mtr_memo_contains(mtr, next_block, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains(mtr, next_block, - MTR_MEMO_PAGE_X_FIX)); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(next_page) == page_is_comp(page)); - ut_a(btr_page_get_prev(next_page, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - return(page_rec_get_next(page_get_infimum_rec(next_page))); - } - - return(NULL); -} - -/**************************************************************//** -Creates a new index page (not the root, and also not -used in page reorganization). @see btr_page_empty(). */ -static -void -btr_page_create( -/*============*/ - buf_block_t* block, /*!< in/out: page to be created */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: the B-tree level of the page */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page = buf_block_get_frame(block); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - - if (UNIV_LIKELY_NULL(page_zip)) { - page_create_zip(block, index, level, mtr); - } else { - page_create(block, mtr, dict_table_is_comp(index->table)); - /* Set the level of the new index page */ - btr_page_set_level(page, NULL, level, mtr); - } - - block->check_index_page_at_flush = TRUE; - - btr_page_set_index_id(page, page_zip, index->id, mtr); -} - -/**************************************************************//** -Allocates a new file page to be used in an ibuf tree. Takes the page from -the free list of the tree, which must contain pages! -@return new allocated block, x-latched */ -static -buf_block_t* -btr_page_alloc_for_ibuf( -/*====================*/ - dict_index_t* index, /*!< in: index tree */ - mtr_t* mtr) /*!< in: mtr */ -{ - fil_addr_t node_addr; - page_t* root; - page_t* new_page; - buf_block_t* new_block; - - root = btr_root_get(index, mtr); - - node_addr = flst_get_first(root + PAGE_HEADER - + PAGE_BTR_IBUF_FREE_LIST, mtr); - ut_a(node_addr.page != FIL_NULL); - - new_block = buf_page_get(dict_index_get_space(index), - dict_table_zip_size(index->table), - node_addr.page, RW_X_LATCH, mtr); - new_page = buf_block_get_frame(new_block); - buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); - - flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - new_page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, - mtr); - ut_ad(flst_validate(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - mtr)); - - return(new_block); -} - -/**************************************************************//** -Allocates a new file page to be used in an index tree. NOTE: we assume -that the caller has made the reservation for free extents! -@return new allocated block, x-latched; NULL if out of space */ -UNIV_INTERN -buf_block_t* -btr_page_alloc( -/*===========*/ - dict_index_t* index, /*!< in: index */ - ulint hint_page_no, /*!< in: hint of a good page */ - byte file_direction, /*!< in: direction where a possible - page split is made */ - ulint level, /*!< in: level where the page is placed - in the tree */ - mtr_t* mtr) /*!< in: mtr */ -{ - fseg_header_t* seg_header; - page_t* root; - buf_block_t* new_block; - ulint new_page_no; - - if (dict_index_is_ibuf(index)) { - - return(btr_page_alloc_for_ibuf(index, mtr)); - } - - root = btr_root_get(index, mtr); - - if (level == 0) { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; - } else { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; - } - - /* Parameter TRUE below states that the caller has made the - reservation for free extents, and thus we know that a page can - be allocated: */ - - new_page_no = fseg_alloc_free_page_general(seg_header, hint_page_no, - file_direction, TRUE, mtr); - if (new_page_no == FIL_NULL) { - - return(NULL); - } - - new_block = buf_page_get(dict_index_get_space(index), - dict_table_zip_size(index->table), - new_page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(new_block, SYNC_TREE_NODE_NEW); - - return(new_block); -} - -/**************************************************************//** -Gets the number of pages in a B-tree. -@return number of pages */ -UNIV_INTERN -ulint -btr_get_size( -/*=========*/ - dict_index_t* index, /*!< in: index */ - ulint flag) /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ -{ - fseg_header_t* seg_header; - page_t* root; - ulint n; - ulint dummy; - mtr_t mtr; - - mtr_start(&mtr); - - mtr_s_lock(dict_index_get_lock(index), &mtr); - - root = btr_root_get(index, &mtr); - - if (flag == BTR_N_LEAF_PAGES) { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; - - fseg_n_reserved_pages(seg_header, &n, &mtr); - - } else if (flag == BTR_TOTAL_SIZE) { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; - - n = fseg_n_reserved_pages(seg_header, &dummy, &mtr); - - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; - - n += fseg_n_reserved_pages(seg_header, &dummy, &mtr); - } else { - ut_error; - } - - mtr_commit(&mtr); - - return(n); -} - -/**************************************************************//** -Frees a page used in an ibuf tree. Puts the page to the free list of the -ibuf tree. */ -static -void -btr_page_free_for_ibuf( -/*===================*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: block to be freed, x-latched */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* root; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - root = btr_root_get(index, mtr); - - flst_add_first(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - buf_block_get_frame(block) - + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, mtr); - - ut_ad(flst_validate(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - mtr)); -} - -/**************************************************************//** -Frees a file page used in an index tree. Can be used also to (BLOB) -external storage pages, because the page level 0 can be given as an -argument. */ -UNIV_INTERN -void -btr_page_free_low( -/*==============*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: block to be freed, x-latched */ - ulint level, /*!< in: page level */ - mtr_t* mtr) /*!< in: mtr */ -{ - fseg_header_t* seg_header; - page_t* root; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - /* The page gets invalid for optimistic searches: increment the frame - modify clock */ - - buf_block_modify_clock_inc(block); - - if (dict_index_is_ibuf(index)) { - - btr_page_free_for_ibuf(index, block, mtr); - - return; - } - - root = btr_root_get(index, mtr); - - if (level == 0) { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; - } else { - seg_header = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; - } - - fseg_free_page(seg_header, - buf_block_get_space(block), - buf_block_get_page_no(block), mtr); -} - -/**************************************************************//** -Frees a file page used in an index tree. NOTE: cannot free field external -storage pages because the page must contain info on its level. */ -UNIV_INTERN -void -btr_page_free( -/*==========*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: block to be freed, x-latched */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint level; - - level = btr_page_get_level(buf_block_get_frame(block), mtr); - - btr_page_free_low(index, block, level, mtr); -} - -/**************************************************************//** -Sets the child node file address in a node pointer. */ -UNIV_INLINE -void -btr_node_ptr_set_child_page_no( -/*===========================*/ - rec_t* rec, /*!< in: node pointer record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint page_no,/*!< in: child node address */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* field; - ulint len; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(!page_is_leaf(page_align(rec))); - ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec)); - - /* The child address is in the last field */ - field = rec_get_nth_field(rec, offsets, - rec_offs_n_fields(offsets) - 1, &len); - - ut_ad(len == REC_NODE_PTR_SIZE); - - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_write_node_ptr(page_zip, rec, - rec_offs_data_size(offsets), - page_no, mtr); - } else { - mlog_write_ulint(field, page_no, MLOG_4BYTES, mtr); - } -} - -/************************************************************//** -Returns the child page of a node pointer and x-latches it. -@return child page, x-latched */ -static -buf_block_t* -btr_node_ptr_get_child( -/*===================*/ - const rec_t* node_ptr,/*!< in: node pointer */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint page_no; - ulint space; - - ut_ad(rec_offs_validate(node_ptr, index, offsets)); - space = page_get_space_id(page_align(node_ptr)); - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - - return(btr_block_get(space, dict_table_zip_size(index->table), - page_no, RW_X_LATCH, mtr)); -} - -/************************************************************//** -Returns the upper level node pointer to a page. It is assumed that mtr holds -an x-latch on the tree. -@return rec_get_offsets() of the node pointer record */ -static -ulint* -btr_page_get_father_node_ptr_func( -/*==============================*/ - ulint* offsets,/*!< in: work area for the return value */ - mem_heap_t* heap, /*!< in: memory heap to use */ - btr_cur_t* cursor, /*!< in: cursor pointing to user record, - out: cursor on node pointer record, - its page x-latched */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - dtuple_t* tuple; - rec_t* user_rec; - rec_t* node_ptr; - ulint level; - ulint page_no; - dict_index_t* index; - - page_no = buf_block_get_page_no(btr_cur_get_block(cursor)); - index = btr_cur_get_index(cursor); - - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - - ut_ad(dict_index_get_page(index) != page_no); - - level = btr_page_get_level(btr_cur_get_page(cursor), mtr); - - page = btr_cur_get_page(cursor); - user_rec = btr_cur_get_rec(cursor); - ut_a(page_rec_is_user_rec(user_rec)); - tuple = dict_index_build_node_ptr(index, user_rec, 0, heap, level); - - btr_cur_search_to_nth_level(index, level + 1, tuple, PAGE_CUR_LE, - BTR_CONT_MODIFY_TREE, cursor, 0, - file, line, mtr); - - node_ptr = btr_cur_get_rec(cursor); - ut_ad(!page_rec_is_comp(node_ptr) - || rec_get_status(node_ptr) == REC_STATUS_NODE_PTR); - offsets = rec_get_offsets(node_ptr, index, offsets, - ULINT_UNDEFINED, &heap); - - if (UNIV_UNLIKELY(btr_node_ptr_get_child_page_no(node_ptr, offsets) - != page_no)) { - rec_t* print_rec; - fputs("InnoDB: Dump of the child page:\n", stderr); - buf_page_print(page_align(user_rec), 0); - fputs("InnoDB: Dump of the parent page:\n", stderr); - buf_page_print(page_align(node_ptr), 0); - - fputs("InnoDB: Corruption of an index tree: table ", stderr); - ut_print_name(stderr, NULL, TRUE, index->table_name); - fputs(", index ", stderr); - ut_print_name(stderr, NULL, FALSE, index->name); - fprintf(stderr, ",\n" - "InnoDB: father ptr page no %lu, child page no %lu\n", - (ulong) - btr_node_ptr_get_child_page_no(node_ptr, offsets), - (ulong) page_no); - print_rec = page_rec_get_next( - page_get_infimum_rec(page_align(user_rec))); - offsets = rec_get_offsets(print_rec, index, - offsets, ULINT_UNDEFINED, &heap); - page_rec_print(print_rec, offsets); - offsets = rec_get_offsets(node_ptr, index, offsets, - ULINT_UNDEFINED, &heap); - page_rec_print(node_ptr, offsets); - - fputs("InnoDB: You should dump + drop + reimport the table" - " to fix the\n" - "InnoDB: corruption. If the crash happens at " - "the database startup, see\n" - "InnoDB: " REFMAN "forcing-recovery.html about\n" - "InnoDB: forcing recovery. " - "Then dump + drop + reimport.\n", stderr); - - ut_error; - } - - return(offsets); -} - -#define btr_page_get_father_node_ptr(of,heap,cur,mtr) \ - btr_page_get_father_node_ptr_func(of,heap,cur,__FILE__,__LINE__,mtr) - -/************************************************************//** -Returns the upper level node pointer to a page. It is assumed that mtr holds -an x-latch on the tree. -@return rec_get_offsets() of the node pointer record */ -static -ulint* -btr_page_get_father_block( -/*======================*/ - ulint* offsets,/*!< in: work area for the return value */ - mem_heap_t* heap, /*!< in: memory heap to use */ - dict_index_t* index, /*!< in: b-tree index */ - buf_block_t* block, /*!< in: child page in the index */ - mtr_t* mtr, /*!< in: mtr */ - btr_cur_t* cursor) /*!< out: cursor on node pointer record, - its page x-latched */ -{ - rec_t* rec - = page_rec_get_next(page_get_infimum_rec(buf_block_get_frame( - block))); - btr_cur_position(index, rec, block, cursor); - return(btr_page_get_father_node_ptr(offsets, heap, cursor, mtr)); -} - -/************************************************************//** -Seeks to the upper level node pointer to a page. -It is assumed that mtr holds an x-latch on the tree. */ -static -void -btr_page_get_father( -/*================*/ - dict_index_t* index, /*!< in: b-tree index */ - buf_block_t* block, /*!< in: child page in the index */ - mtr_t* mtr, /*!< in: mtr */ - btr_cur_t* cursor) /*!< out: cursor on node pointer record, - its page x-latched */ -{ - mem_heap_t* heap; - rec_t* rec - = page_rec_get_next(page_get_infimum_rec(buf_block_get_frame( - block))); - btr_cur_position(index, rec, block, cursor); - - heap = mem_heap_create(100); - btr_page_get_father_node_ptr(NULL, heap, cursor, mtr); - mem_heap_free(heap); -} - -/************************************************************//** -Creates the root node for a new index tree. -@return page number of the created root, FIL_NULL if did not succeed */ -UNIV_INTERN -ulint -btr_create( -/*=======*/ - ulint type, /*!< in: type of the index */ - ulint space, /*!< in: space where created */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - dulint index_id,/*!< in: index id */ - dict_index_t* index, /*!< in: index */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint page_no; - buf_block_t* block; - buf_frame_t* frame; - page_t* page; - page_zip_des_t* page_zip; - - /* Create the two new segments (one, in the case of an ibuf tree) for - the index tree; the segment headers are put on the allocated root page - (for an ibuf tree, not in the root, but on a separate ibuf header - page) */ - - if (type & DICT_IBUF) { - /* Allocate first the ibuf header page */ - buf_block_t* ibuf_hdr_block = fseg_create( - space, 0, - IBUF_HEADER + IBUF_TREE_SEG_HEADER, mtr); - - buf_block_dbg_add_level(ibuf_hdr_block, SYNC_TREE_NODE_NEW); - - ut_ad(buf_block_get_page_no(ibuf_hdr_block) - == IBUF_HEADER_PAGE_NO); - /* Allocate then the next page to the segment: it will be the - tree root page */ - - page_no = fseg_alloc_free_page(buf_block_get_frame( - ibuf_hdr_block) - + IBUF_HEADER - + IBUF_TREE_SEG_HEADER, - IBUF_TREE_ROOT_PAGE_NO, - FSP_UP, mtr); - ut_ad(page_no == IBUF_TREE_ROOT_PAGE_NO); - - block = buf_page_get(space, zip_size, page_no, - RW_X_LATCH, mtr); - } else { - block = fseg_create(space, 0, - PAGE_HEADER + PAGE_BTR_SEG_TOP, mtr); - } - - if (block == NULL) { - - return(FIL_NULL); - } - - page_no = buf_block_get_page_no(block); - frame = buf_block_get_frame(block); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); - - if (type & DICT_IBUF) { - /* It is an insert buffer tree: initialize the free list */ - - ut_ad(page_no == IBUF_TREE_ROOT_PAGE_NO); - - flst_init(frame + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, mtr); - } else { - /* It is a non-ibuf tree: create a file segment for leaf - pages */ - if (!fseg_create(space, page_no, - PAGE_HEADER + PAGE_BTR_SEG_LEAF, mtr)) { - /* Not enough space for new segment, free root - segment before return. */ - btr_free_root(space, zip_size, page_no, mtr); - - return(FIL_NULL); - } - - /* The fseg create acquires a second latch on the page, - therefore we must declare it: */ - buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); - } - - /* Create a new index page on the allocated segment page */ - page_zip = buf_block_get_page_zip(block); - - if (UNIV_LIKELY_NULL(page_zip)) { - page = page_create_zip(block, index, 0, mtr); - } else { - page = page_create(block, mtr, - dict_table_is_comp(index->table)); - /* Set the level of the new index page */ - btr_page_set_level(page, NULL, 0, mtr); - } - - block->check_index_page_at_flush = TRUE; - - /* Set the index id of the page */ - btr_page_set_index_id(page, page_zip, index_id, mtr); - - /* Set the next node and previous node fields */ - btr_page_set_next(page, page_zip, FIL_NULL, mtr); - btr_page_set_prev(page, page_zip, FIL_NULL, mtr); - - /* We reset the free bits for the page to allow creation of several - trees in the same mtr, otherwise the latch on a bitmap page would - prevent it because of the latching order */ - - if (!(type & DICT_CLUSTERED)) { - ibuf_reset_free_bits(block); - } - - /* In the following assertion we test that two records of maximum - allowed size fit on the root page: this fact is needed to ensure - correctness of split algorithms */ - - ut_ad(page_get_max_insert_size(page, 2) > 2 * BTR_PAGE_MAX_REC_SIZE); - - return(page_no); -} - -/************************************************************//** -Frees a B-tree except the root page, which MUST be freed after this -by calling btr_free_root. */ -UNIV_INTERN -void -btr_free_but_not_root( -/*==================*/ - ulint space, /*!< in: space where created */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint root_page_no) /*!< in: root page number */ -{ - ibool finished; - page_t* root; - mtr_t mtr; - -leaf_loop: - mtr_start(&mtr); - - root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); -#endif /* UNIV_BTR_DEBUG */ - - /* NOTE: page hash indexes are dropped when a page is freed inside - fsp0fsp. */ - - finished = fseg_free_step(root + PAGE_HEADER + PAGE_BTR_SEG_LEAF, - &mtr); - mtr_commit(&mtr); - - if (!finished) { - - goto leaf_loop; - } -top_loop: - mtr_start(&mtr); - - root = btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, &mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); -#endif /* UNIV_BTR_DEBUG */ - - finished = fseg_free_step_not_header( - root + PAGE_HEADER + PAGE_BTR_SEG_TOP, &mtr); - mtr_commit(&mtr); - - if (!finished) { - - goto top_loop; - } -} - -/************************************************************//** -Frees the B-tree root page. Other tree MUST already have been freed. */ -UNIV_INTERN -void -btr_free_root( -/*==========*/ - ulint space, /*!< in: space where created */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint root_page_no, /*!< in: root page number */ - mtr_t* mtr) /*!< in: a mini-transaction which has already - been started */ -{ - buf_block_t* block; - fseg_header_t* header; - - block = btr_block_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); - - btr_search_drop_page_hash_index(block); - - header = buf_block_get_frame(block) + PAGE_HEADER + PAGE_BTR_SEG_TOP; -#ifdef UNIV_BTR_DEBUG - ut_a(btr_root_fseg_validate(header, space)); -#endif /* UNIV_BTR_DEBUG */ - - while (!fseg_free_step(header, mtr)); -} -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Reorganizes an index page. */ -static -ibool -btr_page_reorganize_low( -/*====================*/ - ibool recovery,/*!< in: TRUE if called in recovery: - locks should not be updated, i.e., - there cannot exist locks on the - page, and a hash index should not be - dropped: it cannot exist */ - buf_block_t* block, /*!< in: page to be reorganized */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page = buf_block_get_frame(block); - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - buf_block_t* temp_block; - page_t* temp_page; - ulint log_mode; - ulint data_size1; - ulint data_size2; - ulint max_ins_size1; - ulint max_ins_size2; - ibool success = FALSE; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - data_size1 = page_get_data_size(page); - max_ins_size1 = page_get_max_insert_size_after_reorganize(page, 1); - -#ifndef UNIV_HOTBACKUP - /* Write the log record */ - mlog_open_and_write_index(mtr, page, index, page_is_comp(page) - ? MLOG_COMP_PAGE_REORGANIZE - : MLOG_PAGE_REORGANIZE, 0); -#endif /* !UNIV_HOTBACKUP */ - - /* Turn logging off */ - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - -#ifndef UNIV_HOTBACKUP - temp_block = buf_block_alloc(0); -#else /* !UNIV_HOTBACKUP */ - ut_ad(block == back_block1); - temp_block = back_block2; -#endif /* !UNIV_HOTBACKUP */ - temp_page = temp_block->frame; - - /* Copy the old page to temporary space */ - buf_frame_copy(temp_page, page); - -#ifndef UNIV_HOTBACKUP - if (UNIV_LIKELY(!recovery)) { - btr_search_drop_page_hash_index(block); - } - - block->check_index_page_at_flush = TRUE; -#endif /* !UNIV_HOTBACKUP */ - - /* Recreate the page: note that global data on page (possible - segment headers, next page-field, etc.) is preserved intact */ - - page_create(block, mtr, dict_table_is_comp(index->table)); - - /* Copy the records from the temporary space to the recreated page; - do not copy the lock bits yet */ - - page_copy_rec_list_end_no_locks(block, temp_block, - page_get_infimum_rec(temp_page), - index, mtr); - - if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { - /* Copy max trx id to recreated page */ - trx_id_t max_trx_id = page_get_max_trx_id(temp_page); - page_set_max_trx_id(block, NULL, max_trx_id, mtr); - /* In crash recovery, dict_index_is_sec_or_ibuf() always - returns TRUE, even for clustered indexes. max_trx_id is - unused in clustered index pages. */ - ut_ad(!ut_dulint_is_zero(max_trx_id) || recovery); - } - - if (UNIV_LIKELY_NULL(page_zip) - && UNIV_UNLIKELY - (!page_zip_compress(page_zip, page, index, NULL))) { - - /* Restore the old page and exit. */ - -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - /* Check that the bytes that we skip are identical. */ - ut_a(!memcmp(page, temp_page, PAGE_HEADER)); - ut_a(!memcmp(PAGE_HEADER + PAGE_N_RECS + page, - PAGE_HEADER + PAGE_N_RECS + temp_page, - PAGE_DATA - (PAGE_HEADER + PAGE_N_RECS))); - ut_a(!memcmp(UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + page, - UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + temp_page, - FIL_PAGE_DATA_END)); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ - - memcpy(PAGE_HEADER + page, PAGE_HEADER + temp_page, - PAGE_N_RECS - PAGE_N_DIR_SLOTS); - memcpy(PAGE_DATA + page, PAGE_DATA + temp_page, - UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); - -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - ut_a(!memcmp(page, temp_page, UNIV_PAGE_SIZE)); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ - - goto func_exit; - } - -#ifndef UNIV_HOTBACKUP - if (UNIV_LIKELY(!recovery)) { - /* Update the record lock bitmaps */ - lock_move_reorganize_page(block, temp_block); - } -#endif /* !UNIV_HOTBACKUP */ - - data_size2 = page_get_data_size(page); - max_ins_size2 = page_get_max_insert_size_after_reorganize(page, 1); - - if (UNIV_UNLIKELY(data_size1 != data_size2) - || UNIV_UNLIKELY(max_ins_size1 != max_ins_size2)) { - buf_page_print(page, 0); - buf_page_print(temp_page, 0); - fprintf(stderr, - "InnoDB: Error: page old data size %lu" - " new data size %lu\n" - "InnoDB: Error: page old max ins size %lu" - " new max ins size %lu\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", - (unsigned long) data_size1, (unsigned long) data_size2, - (unsigned long) max_ins_size1, - (unsigned long) max_ins_size2); - } else { - success = TRUE; - } - -func_exit: -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ -#ifndef UNIV_HOTBACKUP - buf_block_free(temp_block); -#endif /* !UNIV_HOTBACKUP */ - - /* Restore logging mode */ - mtr_set_log_mode(mtr, log_mode); - - return(success); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Reorganizes an index page. -IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf -page of a non-clustered index, the caller must update the insert -buffer free bits in the same mini-transaction in such a way that the -modification will be redo-logged. -@return TRUE on success, FALSE on failure */ -UNIV_INTERN -ibool -btr_page_reorganize( -/*================*/ - buf_block_t* block, /*!< in: page to be reorganized */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - return(btr_page_reorganize_low(FALSE, block, index, mtr)); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a redo log record of reorganizing a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_parse_page_reorganize( -/*======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), - /*!< in: buffer end */ - dict_index_t* index, /*!< in: record descriptor */ - buf_block_t* block, /*!< in: page to be reorganized, or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ut_ad(ptr && end_ptr); - - /* The record is empty, except for the record initial part */ - - if (UNIV_LIKELY(block != NULL)) { - btr_page_reorganize_low(TRUE, block, index, mtr); - } - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Empties an index page. @see btr_page_create(). */ -static -void -btr_page_empty( -/*===========*/ - buf_block_t* block, /*!< in: page to be emptied */ - page_zip_des_t* page_zip,/*!< out: compressed page, or NULL */ - dict_index_t* index, /*!< in: index of the page */ - ulint level, /*!< in: the B-tree level of the page */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page = buf_block_get_frame(block); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(page_zip == buf_block_get_page_zip(block)); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - btr_search_drop_page_hash_index(block); - - /* Recreate the page: note that global data on page (possible - segment headers, next page-field, etc.) is preserved intact */ - - if (UNIV_LIKELY_NULL(page_zip)) { - page_create_zip(block, index, level, mtr); - } else { - page_create(block, mtr, dict_table_is_comp(index->table)); - btr_page_set_level(page, NULL, level, mtr); - } - - block->check_index_page_at_flush = TRUE; -} - -/*************************************************************//** -Makes tree one level higher by splitting the root, and inserts -the tuple. It is assumed that mtr contains an x-latch on the tree. -NOTE that the operation of this function must always succeed, -we cannot reverse it: therefore enough free disk space must be -guaranteed to be available before this function is called. -@return inserted record */ -UNIV_INTERN -rec_t* -btr_root_raise_and_insert( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert: must be - on the root page; when the function returns, - the cursor is positioned on the predecessor - of the inserted record */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - page_t* root; - page_t* new_page; - ulint new_page_no; - rec_t* rec; - mem_heap_t* heap; - dtuple_t* node_ptr; - ulint level; - rec_t* node_ptr_rec; - page_cur_t* page_cursor; - page_zip_des_t* root_page_zip; - page_zip_des_t* new_page_zip; - buf_block_t* root_block; - buf_block_t* new_block; - - root = btr_cur_get_page(cursor); - root_block = btr_cur_get_block(cursor); - root_page_zip = buf_block_get_page_zip(root_block); -#ifdef UNIV_ZIP_DEBUG - ut_a(!root_page_zip || page_zip_validate(root_page_zip, root)); -#endif /* UNIV_ZIP_DEBUG */ - index = btr_cur_get_index(cursor); -#ifdef UNIV_BTR_DEBUG - if (!dict_index_is_ibuf(index)) { - ulint space = dict_index_get_space(index); - - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); - } - - ut_a(dict_index_get_page(index) == page_get_page_no(root)); -#endif /* UNIV_BTR_DEBUG */ - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, root_block, MTR_MEMO_PAGE_X_FIX)); - - /* Allocate a new page to the tree. Root splitting is done by first - moving the root records to the new page, emptying the root, putting - a node pointer to the new page, and then splitting the new page. */ - - level = btr_page_get_level(root, mtr); - - new_block = btr_page_alloc(index, 0, FSP_NO_DIR, level, mtr); - new_page = buf_block_get_frame(new_block); - new_page_zip = buf_block_get_page_zip(new_block); - ut_a(!new_page_zip == !root_page_zip); - ut_a(!new_page_zip - || page_zip_get_size(new_page_zip) - == page_zip_get_size(root_page_zip)); - - btr_page_create(new_block, new_page_zip, index, level, mtr); - - /* Set the next node and previous node fields of new page */ - btr_page_set_next(new_page, new_page_zip, FIL_NULL, mtr); - btr_page_set_prev(new_page, new_page_zip, FIL_NULL, mtr); - - /* Copy the records from root to the new page one by one. */ - - if (0 -#ifdef UNIV_ZIP_COPY - || new_page_zip -#endif /* UNIV_ZIP_COPY */ - || UNIV_UNLIKELY - (!page_copy_rec_list_end(new_block, root_block, - page_get_infimum_rec(root), - index, mtr))) { - ut_a(new_page_zip); - - /* Copy the page byte for byte. */ - page_zip_copy_recs(new_page_zip, new_page, - root_page_zip, root, index, mtr); - - /* Update the lock table and possible hash index. */ - - lock_move_rec_list_end(new_block, root_block, - page_get_infimum_rec(root)); - - btr_search_move_or_delete_hash_entries(new_block, root_block, - index); - } - - /* If this is a pessimistic insert which is actually done to - perform a pessimistic update then we have stored the lock - information of the record to be inserted on the infimum of the - root page: we cannot discard the lock structs on the root page */ - - lock_update_root_raise(new_block, root_block); - - /* Create a memory heap where the node pointer is stored */ - heap = mem_heap_create(100); - - rec = page_rec_get_next(page_get_infimum_rec(new_page)); - new_page_no = buf_block_get_page_no(new_block); - - /* Build the node pointer (= node key and page address) for the - child */ - - node_ptr = dict_index_build_node_ptr(index, rec, new_page_no, heap, - level); - /* The node pointer must be marked as the predefined minimum record, - as there is no lower alphabetical limit to records in the leftmost - node of a level: */ - dtuple_set_info_bits(node_ptr, - dtuple_get_info_bits(node_ptr) - | REC_INFO_MIN_REC_FLAG); - - /* Rebuild the root page to get free space */ - btr_page_empty(root_block, root_page_zip, index, level + 1, mtr); - - /* Set the next node and previous node fields, although - they should already have been set. The previous node field - must be FIL_NULL if root_page_zip != NULL, because the - REC_INFO_MIN_REC_FLAG (of the first user record) will be - set if and only if btr_page_get_prev() == FIL_NULL. */ - btr_page_set_next(root, root_page_zip, FIL_NULL, mtr); - btr_page_set_prev(root, root_page_zip, FIL_NULL, mtr); - - page_cursor = btr_cur_get_page_cur(cursor); - - /* Insert node pointer to the root */ - - page_cur_set_before_first(root_block, page_cursor); - - node_ptr_rec = page_cur_tuple_insert(page_cursor, node_ptr, - index, 0, mtr); - - /* The root page should only contain the node pointer - to new_page at this point. Thus, the data should fit. */ - ut_a(node_ptr_rec); - - /* Free the memory heap */ - mem_heap_free(heap); - - /* We play safe and reset the free bits for the new page */ - -#if 0 - fprintf(stderr, "Root raise new page no %lu\n", new_page_no); -#endif - - if (!dict_index_is_clust(index)) { - ibuf_reset_free_bits(new_block); - } - - /* Reposition the cursor to the child node */ - page_cur_search(new_block, index, tuple, - PAGE_CUR_LE, page_cursor); - - /* Split the child and insert tuple */ - return(btr_page_split_and_insert(cursor, tuple, n_ext, mtr)); -} - -/*************************************************************//** -Decides if the page should be split at the convergence point of inserts -converging to the left. -@return TRUE if split recommended */ -UNIV_INTERN -ibool -btr_page_get_split_rec_to_left( -/*===========================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert */ - rec_t** split_rec) /*!< out: if split recommended, - the first record on upper half page, - or NULL if tuple to be inserted should - be first */ -{ - page_t* page; - rec_t* insert_point; - rec_t* infimum; - - page = btr_cur_get_page(cursor); - insert_point = btr_cur_get_rec(cursor); - - if (page_header_get_ptr(page, PAGE_LAST_INSERT) - == page_rec_get_next(insert_point)) { - - infimum = page_get_infimum_rec(page); - - /* If the convergence is in the middle of a page, include also - the record immediately before the new insert to the upper - page. Otherwise, we could repeatedly move from page to page - lots of records smaller than the convergence point. */ - - if (infimum != insert_point - && page_rec_get_next(infimum) != insert_point) { - - *split_rec = insert_point; - } else { - *split_rec = page_rec_get_next(insert_point); - } - - return(TRUE); - } - - return(FALSE); -} - -/*************************************************************//** -Decides if the page should be split at the convergence point of inserts -converging to the right. -@return TRUE if split recommended */ -UNIV_INTERN -ibool -btr_page_get_split_rec_to_right( -/*============================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert */ - rec_t** split_rec) /*!< out: if split recommended, - the first record on upper half page, - or NULL if tuple to be inserted should - be first */ -{ - page_t* page; - rec_t* insert_point; - - page = btr_cur_get_page(cursor); - insert_point = btr_cur_get_rec(cursor); - - /* We use eager heuristics: if the new insert would be right after - the previous insert on the same page, we assume that there is a - pattern of sequential inserts here. */ - - if (UNIV_LIKELY(page_header_get_ptr(page, PAGE_LAST_INSERT) - == insert_point)) { - - rec_t* next_rec; - - next_rec = page_rec_get_next(insert_point); - - if (page_rec_is_supremum(next_rec)) { -split_at_new: - /* Split at the new record to insert */ - *split_rec = NULL; - } else { - rec_t* next_next_rec = page_rec_get_next(next_rec); - if (page_rec_is_supremum(next_next_rec)) { - - goto split_at_new; - } - - /* If there are >= 2 user records up from the insert - point, split all but 1 off. We want to keep one because - then sequential inserts can use the adaptive hash - index, as they can do the necessary checks of the right - search position just by looking at the records on this - page. */ - - *split_rec = next_next_rec; - } - - return(TRUE); - } - - return(FALSE); -} - -/*************************************************************//** -Calculates a split record such that the tuple will certainly fit on -its half-page when the split is performed. We assume in this function -only that the cursor page has at least one user record. -@return split record, or NULL if tuple will be the first record on -upper half-page */ -static -rec_t* -btr_page_get_sure_split_rec( -/*========================*/ - btr_cur_t* cursor, /*!< in: cursor at which insert should be made */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext) /*!< in: number of externally stored columns */ -{ - page_t* page; - page_zip_des_t* page_zip; - ulint insert_size; - ulint free_space; - ulint total_data; - ulint total_n_recs; - ulint total_space; - ulint incl_data; - rec_t* ins_rec; - rec_t* rec; - rec_t* next_rec; - ulint n; - mem_heap_t* heap; - ulint* offsets; - - page = btr_cur_get_page(cursor); - - insert_size = rec_get_converted_size(cursor->index, tuple, n_ext); - free_space = page_get_free_space_of_empty(page_is_comp(page)); - - page_zip = btr_cur_get_page_zip(cursor); - if (UNIV_LIKELY_NULL(page_zip)) { - /* Estimate the free space of an empty compressed page. */ - ulint free_space_zip = page_zip_empty_size( - cursor->index->n_fields, - page_zip_get_size(page_zip)); - - if (UNIV_LIKELY(free_space > (ulint) free_space_zip)) { - free_space = (ulint) free_space_zip; - } - } - - /* free_space is now the free space of a created new page */ - - total_data = page_get_data_size(page) + insert_size; - total_n_recs = page_get_n_recs(page) + 1; - ut_ad(total_n_recs >= 2); - total_space = total_data + page_dir_calc_reserved_space(total_n_recs); - - n = 0; - incl_data = 0; - ins_rec = btr_cur_get_rec(cursor); - rec = page_get_infimum_rec(page); - - heap = NULL; - offsets = NULL; - - /* We start to include records to the left half, and when the - space reserved by them exceeds half of total_space, then if - the included records fit on the left page, they will be put there - if something was left over also for the right page, - otherwise the last included record will be the first on the right - half page */ - - do { - /* Decide the next record to include */ - if (rec == ins_rec) { - rec = NULL; /* NULL denotes that tuple is - now included */ - } else if (rec == NULL) { - rec = page_rec_get_next(ins_rec); - } else { - rec = page_rec_get_next(rec); - } - - if (rec == NULL) { - /* Include tuple */ - incl_data += insert_size; - } else { - offsets = rec_get_offsets(rec, cursor->index, - offsets, ULINT_UNDEFINED, - &heap); - incl_data += rec_offs_size(offsets); - } - - n++; - } while (incl_data + page_dir_calc_reserved_space(n) - < total_space / 2); - - if (incl_data + page_dir_calc_reserved_space(n) <= free_space) { - /* The next record will be the first on - the right half page if it is not the - supremum record of page */ - - if (rec == ins_rec) { - rec = NULL; - - goto func_exit; - } else if (rec == NULL) { - next_rec = page_rec_get_next(ins_rec); - } else { - next_rec = page_rec_get_next(rec); - } - ut_ad(next_rec); - if (!page_rec_is_supremum(next_rec)) { - rec = next_rec; - } - } - -func_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(rec); -} - -/*************************************************************//** -Returns TRUE if the insert fits on the appropriate half-page with the -chosen split_rec. -@return TRUE if fits */ -static -ibool -btr_page_insert_fits( -/*=================*/ - btr_cur_t* cursor, /*!< in: cursor at which insert - should be made */ - const rec_t* split_rec,/*!< in: suggestion for first record - on upper half-page, or NULL if - tuple to be inserted should be first */ - const ulint* offsets,/*!< in: rec_get_offsets( - split_rec, cursor->index) */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - mem_heap_t* heap) /*!< in: temporary memory heap */ -{ - page_t* page; - ulint insert_size; - ulint free_space; - ulint total_data; - ulint total_n_recs; - const rec_t* rec; - const rec_t* end_rec; - ulint* offs; - - page = btr_cur_get_page(cursor); - - ut_ad(!split_rec == !offsets); - ut_ad(!offsets - || !page_is_comp(page) == !rec_offs_comp(offsets)); - ut_ad(!offsets - || rec_offs_validate(split_rec, cursor->index, offsets)); - - insert_size = rec_get_converted_size(cursor->index, tuple, n_ext); - free_space = page_get_free_space_of_empty(page_is_comp(page)); - - /* free_space is now the free space of a created new page */ - - total_data = page_get_data_size(page) + insert_size; - total_n_recs = page_get_n_recs(page) + 1; - - /* We determine which records (from rec to end_rec, not including - end_rec) will end up on the other half page from tuple when it is - inserted. */ - - if (split_rec == NULL) { - rec = page_rec_get_next(page_get_infimum_rec(page)); - end_rec = page_rec_get_next(btr_cur_get_rec(cursor)); - - } else if (cmp_dtuple_rec(tuple, split_rec, offsets) >= 0) { - - rec = page_rec_get_next(page_get_infimum_rec(page)); - end_rec = split_rec; - } else { - rec = split_rec; - end_rec = page_get_supremum_rec(page); - } - - if (total_data + page_dir_calc_reserved_space(total_n_recs) - <= free_space) { - - /* Ok, there will be enough available space on the - half page where the tuple is inserted */ - - return(TRUE); - } - - offs = NULL; - - while (rec != end_rec) { - /* In this loop we calculate the amount of reserved - space after rec is removed from page. */ - - offs = rec_get_offsets(rec, cursor->index, offs, - ULINT_UNDEFINED, &heap); - - total_data -= rec_offs_size(offs); - total_n_recs--; - - if (total_data + page_dir_calc_reserved_space(total_n_recs) - <= free_space) { - - /* Ok, there will be enough available space on the - half page where the tuple is inserted */ - - return(TRUE); - } - - rec = page_rec_get_next_const(rec); - } - - return(FALSE); -} - -/*******************************************************//** -Inserts a data tuple to a tree on a non-leaf level. It is assumed -that mtr holds an x-latch on the tree. */ -UNIV_INTERN -void -btr_insert_on_non_leaf_level_func( -/*==============================*/ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: level, must be > 0 */ - dtuple_t* tuple, /*!< in: the record to be inserted */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - big_rec_t* dummy_big_rec; - btr_cur_t cursor; - ulint err; - rec_t* rec; - - ut_ad(level > 0); - - btr_cur_search_to_nth_level(index, level, tuple, PAGE_CUR_LE, - BTR_CONT_MODIFY_TREE, - &cursor, 0, file, line, mtr); - - err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG - | BTR_KEEP_SYS_FLAG - | BTR_NO_UNDO_LOG_FLAG, - &cursor, tuple, &rec, - &dummy_big_rec, 0, NULL, mtr); - ut_a(err == DB_SUCCESS); -} - -/**************************************************************//** -Attaches the halves of an index page on the appropriate level in an -index tree. */ -static -void -btr_attach_half_pages( -/*==================*/ - dict_index_t* index, /*!< in: the index tree */ - buf_block_t* block, /*!< in/out: page to be split */ - rec_t* split_rec, /*!< in: first record on upper - half page */ - buf_block_t* new_block, /*!< in/out: the new half page */ - ulint direction, /*!< in: FSP_UP or FSP_DOWN */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint space; - ulint zip_size; - ulint prev_page_no; - ulint next_page_no; - ulint level; - page_t* page = buf_block_get_frame(block); - page_t* lower_page; - page_t* upper_page; - ulint lower_page_no; - ulint upper_page_no; - page_zip_des_t* lower_page_zip; - page_zip_des_t* upper_page_zip; - dtuple_t* node_ptr_upper; - mem_heap_t* heap; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains(mtr, new_block, MTR_MEMO_PAGE_X_FIX)); - - /* Create a memory heap where the data tuple is stored */ - heap = mem_heap_create(1024); - - /* Based on split direction, decide upper and lower pages */ - if (direction == FSP_DOWN) { - - btr_cur_t cursor; - ulint* offsets; - - lower_page = buf_block_get_frame(new_block); - lower_page_no = buf_block_get_page_no(new_block); - lower_page_zip = buf_block_get_page_zip(new_block); - upper_page = buf_block_get_frame(block); - upper_page_no = buf_block_get_page_no(block); - upper_page_zip = buf_block_get_page_zip(block); - - /* Look up the index for the node pointer to page */ - offsets = btr_page_get_father_block(NULL, heap, index, - block, mtr, &cursor); - - /* Replace the address of the old child node (= page) with the - address of the new lower half */ - - btr_node_ptr_set_child_page_no( - btr_cur_get_rec(&cursor), - btr_cur_get_page_zip(&cursor), - offsets, lower_page_no, mtr); - mem_heap_empty(heap); - } else { - lower_page = buf_block_get_frame(block); - lower_page_no = buf_block_get_page_no(block); - lower_page_zip = buf_block_get_page_zip(block); - upper_page = buf_block_get_frame(new_block); - upper_page_no = buf_block_get_page_no(new_block); - upper_page_zip = buf_block_get_page_zip(new_block); - } - - /* Get the level of the split pages */ - level = btr_page_get_level(buf_block_get_frame(block), mtr); - ut_ad(level - == btr_page_get_level(buf_block_get_frame(new_block), mtr)); - - /* Build the node pointer (= node key and page address) for the upper - half */ - - node_ptr_upper = dict_index_build_node_ptr(index, split_rec, - upper_page_no, heap, level); - - /* Insert it next to the pointer to the lower half. Note that this - may generate recursion leading to a split on the higher level. */ - - btr_insert_on_non_leaf_level(index, level + 1, node_ptr_upper, mtr); - - /* Free the memory heap */ - mem_heap_free(heap); - - /* Get the previous and next pages of page */ - - prev_page_no = btr_page_get_prev(page, mtr); - next_page_no = btr_page_get_next(page, mtr); - space = buf_block_get_space(block); - zip_size = buf_block_get_zip_size(block); - - /* Update page links of the level */ - - if (prev_page_no != FIL_NULL) { - buf_block_t* prev_block = btr_block_get(space, zip_size, - prev_page_no, - RW_X_LATCH, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(prev_block->frame) == page_is_comp(page)); - ut_a(btr_page_get_next(prev_block->frame, mtr) - == buf_block_get_page_no(block)); -#endif /* UNIV_BTR_DEBUG */ - - btr_page_set_next(buf_block_get_frame(prev_block), - buf_block_get_page_zip(prev_block), - lower_page_no, mtr); - } - - if (next_page_no != FIL_NULL) { - buf_block_t* next_block = btr_block_get(space, zip_size, - next_page_no, - RW_X_LATCH, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(next_block->frame) == page_is_comp(page)); - ut_a(btr_page_get_prev(next_block->frame, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - btr_page_set_prev(buf_block_get_frame(next_block), - buf_block_get_page_zip(next_block), - upper_page_no, mtr); - } - - btr_page_set_prev(lower_page, lower_page_zip, prev_page_no, mtr); - btr_page_set_next(lower_page, lower_page_zip, upper_page_no, mtr); - - btr_page_set_prev(upper_page, upper_page_zip, lower_page_no, mtr); - btr_page_set_next(upper_page, upper_page_zip, next_page_no, mtr); -} - -/*************************************************************//** -Splits an index page to halves and inserts the tuple. It is assumed -that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is -released within this function! NOTE that the operation of this -function must always succeed, we cannot reverse it: therefore enough -free disk space (2 pages) must be guaranteed to be available before -this function is called. - -@return inserted record */ -UNIV_INTERN -rec_t* -btr_page_split_and_insert( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert; when the - function returns, the cursor is positioned - on the predecessor of the inserted record */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - page_t* page; - page_zip_des_t* page_zip; - ulint page_no; - byte direction; - ulint hint_page_no; - buf_block_t* new_block; - page_t* new_page; - page_zip_des_t* new_page_zip; - rec_t* split_rec; - buf_block_t* left_block; - buf_block_t* right_block; - buf_block_t* insert_block; - page_t* insert_page; - page_cur_t* page_cursor; - rec_t* first_rec; - byte* buf = 0; /* remove warning */ - rec_t* move_limit; - ibool insert_will_fit; - ibool insert_left; - ulint n_iterations = 0; - rec_t* rec; - mem_heap_t* heap; - ulint n_uniq; - ulint* offsets; - - heap = mem_heap_create(1024); - n_uniq = dict_index_get_n_unique_in_tree(cursor->index); -func_start: - mem_heap_empty(heap); - offsets = NULL; - - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(cursor->index), - MTR_MEMO_X_LOCK)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(dict_index_get_lock(cursor->index), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - block = btr_cur_get_block(cursor); - page = buf_block_get_frame(block); - page_zip = buf_block_get_page_zip(block); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(page_get_n_recs(page) >= 1); - - page_no = buf_block_get_page_no(block); - - /* 1. Decide the split record; split_rec == NULL means that the - tuple to be inserted should be the first record on the upper - half-page */ - - if (n_iterations > 0) { - direction = FSP_UP; - hint_page_no = page_no + 1; - split_rec = btr_page_get_sure_split_rec(cursor, tuple, n_ext); - - } else if (btr_page_get_split_rec_to_right(cursor, &split_rec)) { - direction = FSP_UP; - hint_page_no = page_no + 1; - - } else if (btr_page_get_split_rec_to_left(cursor, &split_rec)) { - direction = FSP_DOWN; - hint_page_no = page_no - 1; - } else { - direction = FSP_UP; - hint_page_no = page_no + 1; - - if (page_get_n_recs(page) == 1) { - page_cur_t pcur; - - /* There is only one record in the index page - therefore we can't split the node in the middle - by default. We need to determine whether the - new record will be inserted to the left or right. */ - - /* Read the first (and only) record in the page. */ - page_cur_set_before_first(block, &pcur); - page_cur_move_to_next(&pcur); - first_rec = page_cur_get_rec(&pcur); - - offsets = rec_get_offsets( - first_rec, cursor->index, offsets, - n_uniq, &heap); - - /* If the new record is less than the existing record - the split in the middle will copy the existing - record to the new node. */ - if (cmp_dtuple_rec(tuple, first_rec, offsets) < 0) { - split_rec = page_get_middle_rec(page); - } else { - split_rec = NULL; - } - } else { - split_rec = page_get_middle_rec(page); - } - } - - /* 2. Allocate a new page to the index */ - new_block = btr_page_alloc(cursor->index, hint_page_no, direction, - btr_page_get_level(page, mtr), mtr); - new_page = buf_block_get_frame(new_block); - new_page_zip = buf_block_get_page_zip(new_block); - btr_page_create(new_block, new_page_zip, cursor->index, - btr_page_get_level(page, mtr), mtr); - - /* 3. Calculate the first record on the upper half-page, and the - first record (move_limit) on original page which ends up on the - upper half */ - - if (split_rec) { - first_rec = move_limit = split_rec; - - offsets = rec_get_offsets(split_rec, cursor->index, offsets, - n_uniq, &heap); - - insert_left = cmp_dtuple_rec(tuple, split_rec, offsets) < 0; - - if (UNIV_UNLIKELY(!insert_left && new_page_zip - && n_iterations > 0)) { - /* If a compressed page has already been split, - avoid further splits by inserting the record - to an empty page. */ - split_rec = NULL; - goto insert_right; - } - } else { -insert_right: - insert_left = FALSE; - buf = mem_alloc(rec_get_converted_size(cursor->index, - tuple, n_ext)); - - first_rec = rec_convert_dtuple_to_rec(buf, cursor->index, - tuple, n_ext); - move_limit = page_rec_get_next(btr_cur_get_rec(cursor)); - } - - /* 4. Do first the modifications in the tree structure */ - - btr_attach_half_pages(cursor->index, block, - first_rec, new_block, direction, mtr); - - /* If the split is made on the leaf level and the insert will fit - on the appropriate half-page, we may release the tree x-latch. - We can then move the records after releasing the tree latch, - thus reducing the tree latch contention. */ - - if (split_rec) { - insert_will_fit = !new_page_zip - && btr_page_insert_fits(cursor, split_rec, - offsets, tuple, n_ext, heap); - } else { - mem_free(buf); - insert_will_fit = !new_page_zip - && btr_page_insert_fits(cursor, NULL, - NULL, tuple, n_ext, heap); - } - - if (insert_will_fit && page_is_leaf(page)) { - - mtr_memo_release(mtr, dict_index_get_lock(cursor->index), - MTR_MEMO_X_LOCK); - } - - /* 5. Move then the records to the new page */ - if (direction == FSP_DOWN) { - /* fputs("Split left\n", stderr); */ - - if (0 -#ifdef UNIV_ZIP_COPY - || page_zip -#endif /* UNIV_ZIP_COPY */ - || UNIV_UNLIKELY - (!page_move_rec_list_start(new_block, block, move_limit, - cursor->index, mtr))) { - /* For some reason, compressing new_page failed, - even though it should contain fewer records than - the original page. Copy the page byte for byte - and then delete the records from both pages - as appropriate. Deleting will always succeed. */ - ut_a(new_page_zip); - - page_zip_copy_recs(new_page_zip, new_page, - page_zip, page, cursor->index, mtr); - page_delete_rec_list_end(move_limit - page + new_page, - new_block, cursor->index, - ULINT_UNDEFINED, - ULINT_UNDEFINED, mtr); - - /* Update the lock table and possible hash index. */ - - lock_move_rec_list_start( - new_block, block, move_limit, - new_page + PAGE_NEW_INFIMUM); - - btr_search_move_or_delete_hash_entries( - new_block, block, cursor->index); - - /* Delete the records from the source page. */ - - page_delete_rec_list_start(move_limit, block, - cursor->index, mtr); - } - - left_block = new_block; - right_block = block; - - lock_update_split_left(right_block, left_block); - } else { - /* fputs("Split right\n", stderr); */ - - if (0 -#ifdef UNIV_ZIP_COPY - || page_zip -#endif /* UNIV_ZIP_COPY */ - || UNIV_UNLIKELY - (!page_move_rec_list_end(new_block, block, move_limit, - cursor->index, mtr))) { - /* For some reason, compressing new_page failed, - even though it should contain fewer records than - the original page. Copy the page byte for byte - and then delete the records from both pages - as appropriate. Deleting will always succeed. */ - ut_a(new_page_zip); - - page_zip_copy_recs(new_page_zip, new_page, - page_zip, page, cursor->index, mtr); - page_delete_rec_list_start(move_limit - page - + new_page, new_block, - cursor->index, mtr); - - /* Update the lock table and possible hash index. */ - - lock_move_rec_list_end(new_block, block, move_limit); - - btr_search_move_or_delete_hash_entries( - new_block, block, cursor->index); - - /* Delete the records from the source page. */ - - page_delete_rec_list_end(move_limit, block, - cursor->index, - ULINT_UNDEFINED, - ULINT_UNDEFINED, mtr); - } - - left_block = block; - right_block = new_block; - - lock_update_split_right(right_block, left_block); - } - -#ifdef UNIV_ZIP_DEBUG - if (UNIV_LIKELY_NULL(page_zip)) { - ut_a(page_zip_validate(page_zip, page)); - ut_a(page_zip_validate(new_page_zip, new_page)); - } -#endif /* UNIV_ZIP_DEBUG */ - - /* At this point, split_rec, move_limit and first_rec may point - to garbage on the old page. */ - - /* 6. The split and the tree modification is now completed. Decide the - page where the tuple should be inserted */ - - if (insert_left) { - insert_block = left_block; - } else { - insert_block = right_block; - } - - insert_page = buf_block_get_frame(insert_block); - - /* 7. Reposition the cursor for insert and try insertion */ - page_cursor = btr_cur_get_page_cur(cursor); - - page_cur_search(insert_block, cursor->index, tuple, - PAGE_CUR_LE, page_cursor); - - rec = page_cur_tuple_insert(page_cursor, tuple, - cursor->index, n_ext, mtr); - -#ifdef UNIV_ZIP_DEBUG - { - page_zip_des_t* insert_page_zip - = buf_block_get_page_zip(insert_block); - ut_a(!insert_page_zip - || page_zip_validate(insert_page_zip, insert_page)); - } -#endif /* UNIV_ZIP_DEBUG */ - - if (UNIV_LIKELY(rec != NULL)) { - - goto func_exit; - } - - /* 8. If insert did not fit, try page reorganization */ - - if (UNIV_UNLIKELY - (!btr_page_reorganize(insert_block, cursor->index, mtr))) { - - goto insert_failed; - } - - page_cur_search(insert_block, cursor->index, tuple, - PAGE_CUR_LE, page_cursor); - rec = page_cur_tuple_insert(page_cursor, tuple, cursor->index, - n_ext, mtr); - - if (UNIV_UNLIKELY(rec == NULL)) { - /* The insert did not fit on the page: loop back to the - start of the function for a new split */ -insert_failed: - /* We play safe and reset the free bits for new_page */ - if (!dict_index_is_clust(cursor->index)) { - ibuf_reset_free_bits(new_block); - } - - /* fprintf(stderr, "Split second round %lu\n", - page_get_page_no(page)); */ - n_iterations++; - ut_ad(n_iterations < 2 - || buf_block_get_page_zip(insert_block)); - ut_ad(!insert_will_fit); - - goto func_start; - } - -func_exit: - /* Insert fit on the page: update the free bits for the - left and right pages in the same mtr */ - - if (!dict_index_is_clust(cursor->index) && page_is_leaf(page)) { - ibuf_update_free_bits_for_two_pages_low( - buf_block_get_zip_size(left_block), - left_block, right_block, mtr); - } - -#if 0 - fprintf(stderr, "Split and insert done %lu %lu\n", - buf_block_get_page_no(left_block), - buf_block_get_page_no(right_block)); -#endif - - ut_ad(page_validate(buf_block_get_frame(left_block), cursor->index)); - ut_ad(page_validate(buf_block_get_frame(right_block), cursor->index)); - - mem_heap_free(heap); - return(rec); -} - -/*************************************************************//** -Removes a page from the level list of pages. */ -static -void -btr_level_list_remove( -/*==================*/ - ulint space, /*!< in: space where removed */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - page_t* page, /*!< in: page to remove */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint prev_page_no; - ulint next_page_no; - - ut_ad(page && mtr); - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); - ut_ad(space == page_get_space_id(page)); - /* Get the previous and next page numbers of page */ - - prev_page_no = btr_page_get_prev(page, mtr); - next_page_no = btr_page_get_next(page, mtr); - - /* Update page links of the level */ - - if (prev_page_no != FIL_NULL) { - buf_block_t* prev_block - = btr_block_get(space, zip_size, prev_page_no, - RW_X_LATCH, mtr); - page_t* prev_page - = buf_block_get_frame(prev_block); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(prev_page) == page_is_comp(page)); - ut_a(btr_page_get_next(prev_page, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - btr_page_set_next(prev_page, - buf_block_get_page_zip(prev_block), - next_page_no, mtr); - } - - if (next_page_no != FIL_NULL) { - buf_block_t* next_block - = btr_block_get(space, zip_size, next_page_no, - RW_X_LATCH, mtr); - page_t* next_page - = buf_block_get_frame(next_block); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(next_page) == page_is_comp(page)); - ut_a(btr_page_get_prev(next_page, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - btr_page_set_prev(next_page, - buf_block_get_page_zip(next_block), - prev_page_no, mtr); - } -} - -/****************************************************************//** -Writes the redo log record for setting an index record as the predefined -minimum record. */ -UNIV_INLINE -void -btr_set_min_rec_mark_log( -/*=====================*/ - rec_t* rec, /*!< in: record */ - byte type, /*!< in: MLOG_COMP_REC_MIN_MARK or MLOG_REC_MIN_MARK */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_initial_log_record(rec, type, mtr); - - /* Write rec offset as a 2-byte ulint */ - mlog_catenate_ulint(mtr, page_offset(rec), MLOG_2BYTES); -} -#else /* !UNIV_HOTBACKUP */ -# define btr_set_min_rec_mark_log(rec,comp,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/****************************************************************//** -Parses the redo log record for setting an index record as the predefined -minimum record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_parse_set_min_rec_mark( -/*=======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - ulint comp, /*!< in: nonzero=compact page format */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - rec_t* rec; - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - if (page) { - ut_a(!page_is_comp(page) == !comp); - - rec = page + mach_read_from_2(ptr); - - btr_set_min_rec_mark(rec, mtr); - } - - return(ptr + 2); -} - -/****************************************************************//** -Sets a record as the predefined minimum record. */ -UNIV_INTERN -void -btr_set_min_rec_mark( -/*=================*/ - rec_t* rec, /*!< in: record */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint info_bits; - - if (UNIV_LIKELY(page_rec_is_comp(rec))) { - info_bits = rec_get_info_bits(rec, TRUE); - - rec_set_info_bits_new(rec, info_bits | REC_INFO_MIN_REC_FLAG); - - btr_set_min_rec_mark_log(rec, MLOG_COMP_REC_MIN_MARK, mtr); - } else { - info_bits = rec_get_info_bits(rec, FALSE); - - rec_set_info_bits_old(rec, info_bits | REC_INFO_MIN_REC_FLAG); - - btr_set_min_rec_mark_log(rec, MLOG_REC_MIN_MARK, mtr); - } -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Deletes on the upper level the node pointer to a page. */ -UNIV_INTERN -void -btr_node_ptr_delete( -/*================*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: page whose node pointer is deleted */ - mtr_t* mtr) /*!< in: mtr */ -{ - btr_cur_t cursor; - ibool compressed; - ulint err; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - - /* Delete node pointer on father page */ - btr_page_get_father(index, block, mtr, &cursor); - - compressed = btr_cur_pessimistic_delete(&err, TRUE, &cursor, RB_NONE, - mtr); - ut_a(err == DB_SUCCESS); - - if (!compressed) { - btr_cur_compress_if_useful(&cursor, mtr); - } -} - -/*************************************************************//** -If page is the only on its level, this function moves its records to the -father page, thus reducing the tree height. */ -static -void -btr_lift_page_up( -/*=============*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: page which is the only on its level; - must not be empty: use - btr_discard_only_page_on_level if the last - record from the page should be removed */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* father_block; - page_t* father_page; - ulint page_level; - page_zip_des_t* father_page_zip; - page_t* page = buf_block_get_frame(block); - ulint root_page_no; - buf_block_t* blocks[BTR_MAX_LEVELS]; - ulint n_blocks; /*!< last used index in blocks[] */ - ulint i; - - ut_ad(btr_page_get_prev(page, mtr) == FIL_NULL); - ut_ad(btr_page_get_next(page, mtr) == FIL_NULL); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - - page_level = btr_page_get_level(page, mtr); - root_page_no = dict_index_get_page(index); - - { - btr_cur_t cursor; - mem_heap_t* heap = mem_heap_create(100); - ulint* offsets; - buf_block_t* b; - - offsets = btr_page_get_father_block(NULL, heap, index, - block, mtr, &cursor); - father_block = btr_cur_get_block(&cursor); - father_page_zip = buf_block_get_page_zip(father_block); - father_page = buf_block_get_frame(father_block); - - n_blocks = 0; - - /* Store all ancestor pages so we can reset their - levels later on. We have to do all the searches on - the tree now because later on, after we've replaced - the first level, the tree is in an inconsistent state - and can not be searched. */ - for (b = father_block; - buf_block_get_page_no(b) != root_page_no; ) { - ut_a(n_blocks < BTR_MAX_LEVELS); - - offsets = btr_page_get_father_block(offsets, heap, - index, b, - mtr, &cursor); - - blocks[n_blocks++] = b = btr_cur_get_block(&cursor); - } - - mem_heap_free(heap); - } - - btr_search_drop_page_hash_index(block); - - /* Make the father empty */ - btr_page_empty(father_block, father_page_zip, index, page_level, mtr); - - /* Copy the records to the father page one by one. */ - if (0 -#ifdef UNIV_ZIP_COPY - || father_page_zip -#endif /* UNIV_ZIP_COPY */ - || UNIV_UNLIKELY - (!page_copy_rec_list_end(father_block, block, - page_get_infimum_rec(page), - index, mtr))) { - const page_zip_des_t* page_zip - = buf_block_get_page_zip(block); - ut_a(father_page_zip); - ut_a(page_zip); - - /* Copy the page byte for byte. */ - page_zip_copy_recs(father_page_zip, father_page, - page_zip, page, index, mtr); - - /* Update the lock table and possible hash index. */ - - lock_move_rec_list_end(father_block, block, - page_get_infimum_rec(page)); - - btr_search_move_or_delete_hash_entries(father_block, block, - index); - } - - lock_update_copy_and_discard(father_block, block); - - /* Go upward to root page, decrementing levels by one. */ - for (i = 0; i < n_blocks; i++, page_level++) { - page_t* page = buf_block_get_frame(blocks[i]); - page_zip_des_t* page_zip= buf_block_get_page_zip(blocks[i]); - - ut_ad(btr_page_get_level(page, mtr) == page_level + 1); - - btr_page_set_level(page, page_zip, page_level, mtr); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - } - - /* Free the file page */ - btr_page_free(index, block, mtr); - - /* We play it safe and reset the free bits for the father */ - if (!dict_index_is_clust(index)) { - ibuf_reset_free_bits(father_block); - } - ut_ad(page_validate(father_page, index)); - ut_ad(btr_check_node_ptr(index, father_block, mtr)); -} - -/*************************************************************//** -Tries to merge the page first to the left immediate brother if such a -brother exists, and the node pointers to the current page and to the brother -reside on the same page. If the left brother does not satisfy these -conditions, looks at the right brother. If the page is the only one on that -level lifts the records of the page to the father page, thus reducing the -tree height. It is assumed that mtr holds an x-latch on the tree and on the -page. If cursor is on the leaf level, mtr must also hold x-latches to the -brothers, if they exist. -@return TRUE on success */ -UNIV_INTERN -ibool -btr_compress( -/*=========*/ - btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; - the page must not be empty: in record delete - use btr_discard_page if the page would become - empty */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - ulint space; - ulint zip_size; - ulint left_page_no; - ulint right_page_no; - buf_block_t* merge_block; - page_t* merge_page; - page_zip_des_t* merge_page_zip; - ibool is_left; - buf_block_t* block; - page_t* page; - btr_cur_t father_cursor; - mem_heap_t* heap; - ulint* offsets; - ulint data_size; - ulint n_recs; - ulint max_ins_size; - ulint max_ins_size_reorg; - ulint level; - - block = btr_cur_get_block(cursor); - page = btr_cur_get_page(cursor); - index = btr_cur_get_index(cursor); - ut_a((ibool) !!page_is_comp(page) == dict_table_is_comp(index->table)); - - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - level = btr_page_get_level(page, mtr); - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - - left_page_no = btr_page_get_prev(page, mtr); - right_page_no = btr_page_get_next(page, mtr); - -#if 0 - fprintf(stderr, "Merge left page %lu right %lu \n", - left_page_no, right_page_no); -#endif - - heap = mem_heap_create(100); - offsets = btr_page_get_father_block(NULL, heap, index, block, mtr, - &father_cursor); - - /* Decide the page to which we try to merge and which will inherit - the locks */ - - is_left = left_page_no != FIL_NULL; - - if (is_left) { - - merge_block = btr_block_get(space, zip_size, left_page_no, - RW_X_LATCH, mtr); - merge_page = buf_block_get_frame(merge_block); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_next(merge_page, mtr) - == buf_block_get_page_no(block)); -#endif /* UNIV_BTR_DEBUG */ - } else if (right_page_no != FIL_NULL) { - - merge_block = btr_block_get(space, zip_size, right_page_no, - RW_X_LATCH, mtr); - merge_page = buf_block_get_frame(merge_block); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_prev(merge_page, mtr) - == buf_block_get_page_no(block)); -#endif /* UNIV_BTR_DEBUG */ - } else { - /* The page is the only one on the level, lift the records - to the father */ - btr_lift_page_up(index, block, mtr); - mem_heap_free(heap); - return(TRUE); - } - - n_recs = page_get_n_recs(page); - data_size = page_get_data_size(page); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(merge_page) == page_is_comp(page)); -#endif /* UNIV_BTR_DEBUG */ - - max_ins_size_reorg = page_get_max_insert_size_after_reorganize( - merge_page, n_recs); - if (data_size > max_ins_size_reorg) { - - /* No space for merge */ -err_exit: - /* We play it safe and reset the free bits. */ - if (zip_size - && page_is_leaf(merge_page) - && !dict_index_is_clust(index)) { - ibuf_reset_free_bits(merge_block); - } - - mem_heap_free(heap); - return(FALSE); - } - - ut_ad(page_validate(merge_page, index)); - - max_ins_size = page_get_max_insert_size(merge_page, n_recs); - - if (UNIV_UNLIKELY(data_size > max_ins_size)) { - - /* We have to reorganize merge_page */ - - if (UNIV_UNLIKELY(!btr_page_reorganize(merge_block, - index, mtr))) { - - goto err_exit; - } - - max_ins_size = page_get_max_insert_size(merge_page, n_recs); - - ut_ad(page_validate(merge_page, index)); - ut_ad(max_ins_size == max_ins_size_reorg); - - if (UNIV_UNLIKELY(data_size > max_ins_size)) { - - /* Add fault tolerance, though this should - never happen */ - - goto err_exit; - } - } - - merge_page_zip = buf_block_get_page_zip(merge_block); -#ifdef UNIV_ZIP_DEBUG - if (UNIV_LIKELY_NULL(merge_page_zip)) { - const page_zip_des_t* page_zip - = buf_block_get_page_zip(block); - ut_a(page_zip); - ut_a(page_zip_validate(merge_page_zip, merge_page)); - ut_a(page_zip_validate(page_zip, page)); - } -#endif /* UNIV_ZIP_DEBUG */ - - /* Move records to the merge page */ - if (is_left) { - rec_t* orig_pred = page_copy_rec_list_start( - merge_block, block, page_get_supremum_rec(page), - index, mtr); - - if (UNIV_UNLIKELY(!orig_pred)) { - goto err_exit; - } - - btr_search_drop_page_hash_index(block); - - /* Remove the page from the level list */ - btr_level_list_remove(space, zip_size, page, mtr); - - btr_node_ptr_delete(index, block, mtr); - lock_update_merge_left(merge_block, orig_pred, block); - } else { - rec_t* orig_succ; -#ifdef UNIV_BTR_DEBUG - byte fil_page_prev[4]; -#endif /* UNIV_BTR_DEBUG */ - - if (UNIV_LIKELY_NULL(merge_page_zip)) { - /* The function page_zip_compress(), which will be - invoked by page_copy_rec_list_end() below, - requires that FIL_PAGE_PREV be FIL_NULL. - Clear the field, but prepare to restore it. */ -#ifdef UNIV_BTR_DEBUG - memcpy(fil_page_prev, merge_page + FIL_PAGE_PREV, 4); -#endif /* UNIV_BTR_DEBUG */ -#if FIL_NULL != 0xffffffff -# error "FIL_NULL != 0xffffffff" -#endif - memset(merge_page + FIL_PAGE_PREV, 0xff, 4); - } - - orig_succ = page_copy_rec_list_end(merge_block, block, - page_get_infimum_rec(page), - cursor->index, mtr); - - if (UNIV_UNLIKELY(!orig_succ)) { - ut_a(merge_page_zip); -#ifdef UNIV_BTR_DEBUG - /* FIL_PAGE_PREV was restored from merge_page_zip. */ - ut_a(!memcmp(fil_page_prev, - merge_page + FIL_PAGE_PREV, 4)); -#endif /* UNIV_BTR_DEBUG */ - goto err_exit; - } - - btr_search_drop_page_hash_index(block); - -#ifdef UNIV_BTR_DEBUG - if (UNIV_LIKELY_NULL(merge_page_zip)) { - /* Restore FIL_PAGE_PREV in order to avoid an assertion - failure in btr_level_list_remove(), which will set - the field again to FIL_NULL. Even though this makes - merge_page and merge_page_zip inconsistent for a - split second, it is harmless, because the pages - are X-latched. */ - memcpy(merge_page + FIL_PAGE_PREV, fil_page_prev, 4); - } -#endif /* UNIV_BTR_DEBUG */ - - /* Remove the page from the level list */ - btr_level_list_remove(space, zip_size, page, mtr); - - /* Replace the address of the old child node (= page) with the - address of the merge page to the right */ - - btr_node_ptr_set_child_page_no( - btr_cur_get_rec(&father_cursor), - btr_cur_get_page_zip(&father_cursor), - offsets, right_page_no, mtr); - btr_node_ptr_delete(index, merge_block, mtr); - - lock_update_merge_right(merge_block, orig_succ, block); - } - - mem_heap_free(heap); - - if (!dict_index_is_clust(index) && page_is_leaf(merge_page)) { - /* Update the free bits of the B-tree page in the - insert buffer bitmap. This has to be done in a - separate mini-transaction that is committed before the - main mini-transaction. We cannot update the insert - buffer bitmap in this mini-transaction, because - btr_compress() can be invoked recursively without - committing the mini-transaction in between. Since - insert buffer bitmap pages have a lower rank than - B-tree pages, we must not access other pages in the - same mini-transaction after accessing an insert buffer - bitmap page. */ - - /* The free bits in the insert buffer bitmap must - never exceed the free space on a page. It is safe to - decrement or reset the bits in the bitmap in a - mini-transaction that is committed before the - mini-transaction that affects the free space. */ - - /* It is unsafe to increment the bits in a separately - committed mini-transaction, because in crash recovery, - the free bits could momentarily be set too high. */ - - if (zip_size) { - /* Because the free bits may be incremented - and we cannot update the insert buffer bitmap - in the same mini-transaction, the only safe - thing we can do here is the pessimistic - approach: reset the free bits. */ - ibuf_reset_free_bits(merge_block); - } else { - /* On uncompressed pages, the free bits will - never increase here. Thus, it is safe to - write the bits accurately in a separate - mini-transaction. */ - ibuf_update_free_bits_if_full(merge_block, - UNIV_PAGE_SIZE, - ULINT_UNDEFINED); - } - } - - ut_ad(page_validate(merge_page, index)); -#ifdef UNIV_ZIP_DEBUG - ut_a(!merge_page_zip || page_zip_validate(merge_page_zip, merge_page)); -#endif /* UNIV_ZIP_DEBUG */ - - /* Free the file page */ - btr_page_free(index, block, mtr); - - ut_ad(btr_check_node_ptr(index, merge_block, mtr)); - return(TRUE); -} - -/*************************************************************//** -Discards a page that is the only page on its level. This will empty -the whole B-tree, leaving just an empty root page. This function -should never be reached, because btr_compress(), which is invoked in -delete operations, calls btr_lift_page_up() to flatten the B-tree. */ -static -void -btr_discard_only_page_on_level( -/*===========================*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: page which is the only on its level */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint page_level = 0; - trx_id_t max_trx_id; - - /* Save the PAGE_MAX_TRX_ID from the leaf page. */ - max_trx_id = page_get_max_trx_id(buf_block_get_frame(block)); - - while (buf_block_get_page_no(block) != dict_index_get_page(index)) { - btr_cur_t cursor; - buf_block_t* father; - const page_t* page = buf_block_get_frame(block); - - ut_a(page_get_n_recs(page) == 1); - ut_a(page_level == btr_page_get_level(page, mtr)); - ut_a(btr_page_get_prev(page, mtr) == FIL_NULL); - ut_a(btr_page_get_next(page, mtr) == FIL_NULL); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - btr_search_drop_page_hash_index(block); - - btr_page_get_father(index, block, mtr, &cursor); - father = btr_cur_get_block(&cursor); - - lock_update_discard(father, PAGE_HEAP_NO_SUPREMUM, block); - - /* Free the file page */ - btr_page_free(index, block, mtr); - - block = father; - page_level++; - } - - /* block is the root page, which must be empty, except - for the node pointer to the (now discarded) block(s). */ - -#ifdef UNIV_BTR_DEBUG - if (!dict_index_is_ibuf(index)) { - const page_t* root = buf_block_get_frame(block); - const ulint space = dict_index_get_space(index); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_LEAF - + root, space)); - ut_a(btr_root_fseg_validate(FIL_PAGE_DATA + PAGE_BTR_SEG_TOP - + root, space)); - } -#endif /* UNIV_BTR_DEBUG */ - - btr_page_empty(block, buf_block_get_page_zip(block), index, 0, mtr); - - if (!dict_index_is_clust(index)) { - /* We play it safe and reset the free bits for the root */ - ibuf_reset_free_bits(block); - - if (page_is_leaf(buf_block_get_frame(block))) { - ut_a(!ut_dulint_is_zero(max_trx_id)); - page_set_max_trx_id(block, - buf_block_get_page_zip(block), - max_trx_id, mtr); - } - } -} - -/*************************************************************//** -Discards a page from a B-tree. This is used to remove the last record from -a B-tree page: the whole page must be removed at the same time. This cannot -be used for the root page, which is allowed to be empty. */ -UNIV_INTERN -void -btr_discard_page( -/*=============*/ - btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on - the root page */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - ulint space; - ulint zip_size; - ulint left_page_no; - ulint right_page_no; - buf_block_t* merge_block; - page_t* merge_page; - buf_block_t* block; - page_t* page; - rec_t* node_ptr; - - block = btr_cur_get_block(cursor); - index = btr_cur_get_index(cursor); - - ut_ad(dict_index_get_page(index) != buf_block_get_page_no(block)); - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - - /* Decide the page which will inherit the locks */ - - left_page_no = btr_page_get_prev(buf_block_get_frame(block), mtr); - right_page_no = btr_page_get_next(buf_block_get_frame(block), mtr); - - if (left_page_no != FIL_NULL) { - merge_block = btr_block_get(space, zip_size, left_page_no, - RW_X_LATCH, mtr); - merge_page = buf_block_get_frame(merge_block); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_next(merge_page, mtr) - == buf_block_get_page_no(block)); -#endif /* UNIV_BTR_DEBUG */ - } else if (right_page_no != FIL_NULL) { - merge_block = btr_block_get(space, zip_size, right_page_no, - RW_X_LATCH, mtr); - merge_page = buf_block_get_frame(merge_block); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_prev(merge_page, mtr) - == buf_block_get_page_no(block)); -#endif /* UNIV_BTR_DEBUG */ - } else { - btr_discard_only_page_on_level(index, block, mtr); - - return; - } - - page = buf_block_get_frame(block); - ut_a(page_is_comp(merge_page) == page_is_comp(page)); - btr_search_drop_page_hash_index(block); - - if (left_page_no == FIL_NULL && !page_is_leaf(page)) { - - /* We have to mark the leftmost node pointer on the right - side page as the predefined minimum record */ - node_ptr = page_rec_get_next(page_get_infimum_rec(merge_page)); - - ut_ad(page_rec_is_user_rec(node_ptr)); - - /* This will make page_zip_validate() fail on merge_page - until btr_level_list_remove() completes. This is harmless, - because everything will take place within a single - mini-transaction and because writing to the redo log - is an atomic operation (performed by mtr_commit()). */ - btr_set_min_rec_mark(node_ptr, mtr); - } - - btr_node_ptr_delete(index, block, mtr); - - /* Remove the page from the level list */ - btr_level_list_remove(space, zip_size, page, mtr); -#ifdef UNIV_ZIP_DEBUG - { - page_zip_des_t* merge_page_zip - = buf_block_get_page_zip(merge_block); - ut_a(!merge_page_zip - || page_zip_validate(merge_page_zip, merge_page)); - } -#endif /* UNIV_ZIP_DEBUG */ - - if (left_page_no != FIL_NULL) { - lock_update_discard(merge_block, PAGE_HEAP_NO_SUPREMUM, - block); - } else { - lock_update_discard(merge_block, - lock_get_min_heap_no(merge_block), - block); - } - - /* Free the file page */ - btr_page_free(index, block, mtr); - - ut_ad(btr_check_node_ptr(index, merge_block, mtr)); -} - -#ifdef UNIV_BTR_PRINT -/*************************************************************//** -Prints size info of a B-tree. */ -UNIV_INTERN -void -btr_print_size( -/*===========*/ - dict_index_t* index) /*!< in: index tree */ -{ - page_t* root; - fseg_header_t* seg; - mtr_t mtr; - - if (dict_index_is_ibuf(index)) { - fputs("Sorry, cannot print info of an ibuf tree:" - " use ibuf functions\n", stderr); - - return; - } - - mtr_start(&mtr); - - root = btr_root_get(index, &mtr); - - seg = root + PAGE_HEADER + PAGE_BTR_SEG_TOP; - - fputs("INFO OF THE NON-LEAF PAGE SEGMENT\n", stderr); - fseg_print(seg, &mtr); - - if (!(index->type & DICT_UNIVERSAL)) { - - seg = root + PAGE_HEADER + PAGE_BTR_SEG_LEAF; - - fputs("INFO OF THE LEAF PAGE SEGMENT\n", stderr); - fseg_print(seg, &mtr); - } - - mtr_commit(&mtr); -} - -/************************************************************//** -Prints recursively index tree pages. */ -static -void -btr_print_recursive( -/*================*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: index page */ - ulint width, /*!< in: print this many entries from start - and end */ - mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ - ulint** offsets,/*!< in/out: buffer for rec_get_offsets() */ - mtr_t* mtr) /*!< in: mtr */ -{ - const page_t* page = buf_block_get_frame(block); - page_cur_t cursor; - ulint n_recs; - ulint i = 0; - mtr_t mtr2; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - fprintf(stderr, "NODE ON LEVEL %lu page number %lu\n", - (ulong) btr_page_get_level(page, mtr), - (ulong) buf_block_get_page_no(block)); - - page_print(block, index, width, width); - - n_recs = page_get_n_recs(page); - - page_cur_set_before_first(block, &cursor); - page_cur_move_to_next(&cursor); - - while (!page_cur_is_after_last(&cursor)) { - - if (page_is_leaf(page)) { - - /* If this is the leaf level, do nothing */ - - } else if ((i <= width) || (i >= n_recs - width)) { - - const rec_t* node_ptr; - - mtr_start(&mtr2); - - node_ptr = page_cur_get_rec(&cursor); - - *offsets = rec_get_offsets(node_ptr, index, *offsets, - ULINT_UNDEFINED, heap); - btr_print_recursive(index, - btr_node_ptr_get_child(node_ptr, - index, - *offsets, - &mtr2), - width, heap, offsets, &mtr2); - mtr_commit(&mtr2); - } - - page_cur_move_to_next(&cursor); - i++; - } -} - -/**************************************************************//** -Prints directories and other info of all nodes in the tree. */ -UNIV_INTERN -void -btr_print_index( -/*============*/ - dict_index_t* index, /*!< in: index */ - ulint width) /*!< in: print this many entries from start - and end */ -{ - mtr_t mtr; - buf_block_t* root; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - fputs("--------------------------\n" - "INDEX TREE PRINT\n", stderr); - - mtr_start(&mtr); - - root = btr_root_block_get(index, &mtr); - - btr_print_recursive(index, root, width, &heap, &offsets, &mtr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - mtr_commit(&mtr); - - btr_validate_index(index, NULL); -} -#endif /* UNIV_BTR_PRINT */ - -#ifdef UNIV_DEBUG -/************************************************************//** -Checks that the node pointer to a page is appropriate. -@return TRUE */ -UNIV_INTERN -ibool -btr_check_node_ptr( -/*===============*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: index page */ - mtr_t* mtr) /*!< in: mtr */ -{ - mem_heap_t* heap; - dtuple_t* tuple; - ulint* offsets; - btr_cur_t cursor; - page_t* page = buf_block_get_frame(block); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - if (dict_index_get_page(index) == buf_block_get_page_no(block)) { - - return(TRUE); - } - - heap = mem_heap_create(256); - offsets = btr_page_get_father_block(NULL, heap, index, block, mtr, - &cursor); - - if (page_is_leaf(page)) { - - goto func_exit; - } - - tuple = dict_index_build_node_ptr( - index, page_rec_get_next(page_get_infimum_rec(page)), 0, heap, - btr_page_get_level(page, mtr)); - - ut_a(!cmp_dtuple_rec(tuple, btr_cur_get_rec(&cursor), offsets)); -func_exit: - mem_heap_free(heap); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -/************************************************************//** -Display identification information for a record. */ -static -void -btr_index_rec_validate_report( -/*==========================*/ - const page_t* page, /*!< in: index page */ - const rec_t* rec, /*!< in: index record */ - const dict_index_t* index) /*!< in: index */ -{ - fputs("InnoDB: Record in ", stderr); - dict_index_name_print(stderr, NULL, index); - fprintf(stderr, ", page %lu, at offset %lu\n", - page_get_page_no(page), (ulint) page_offset(rec)); -} - -/************************************************************//** -Checks the size and number of fields in a record based on the definition of -the index. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_index_rec_validate( -/*===================*/ - const rec_t* rec, /*!< in: index record */ - const dict_index_t* index, /*!< in: index */ - ibool dump_on_error) /*!< in: TRUE if the function - should print hex dump of record - and page on error */ -{ - ulint len; - ulint n; - ulint i; - const page_t* page; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - page = page_align(rec); - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - /* The insert buffer index tree can contain records from any - other index: we cannot check the number of fields or - their length */ - - return(TRUE); - } - - if (UNIV_UNLIKELY((ibool)!!page_is_comp(page) - != dict_table_is_comp(index->table))) { - btr_index_rec_validate_report(page, rec, index); - fprintf(stderr, "InnoDB: compact flag=%lu, should be %lu\n", - (ulong) !!page_is_comp(page), - (ulong) dict_table_is_comp(index->table)); - - return(FALSE); - } - - n = dict_index_get_n_fields(index); - - if (!page_is_comp(page) - && UNIV_UNLIKELY(rec_get_n_fields_old(rec) != n)) { - btr_index_rec_validate_report(page, rec, index); - fprintf(stderr, "InnoDB: has %lu fields, should have %lu\n", - (ulong) rec_get_n_fields_old(rec), (ulong) n); - - if (dump_on_error) { - buf_page_print(page, 0); - - fputs("InnoDB: corrupt record ", stderr); - rec_print_old(stderr, rec); - putc('\n', stderr); - } - return(FALSE); - } - - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - - for (i = 0; i < n; i++) { - ulint fixed_size = dict_col_get_fixed_size( - dict_index_get_nth_col(index, i), page_is_comp(page)); - - rec_get_nth_field_offs(offsets, i, &len); - - /* Note that if fixed_size != 0, it equals the - length of a fixed-size column in the clustered index. - A prefix index of the column is of fixed, but different - length. When fixed_size == 0, prefix_len is the maximum - length of the prefix index column. */ - - if ((dict_index_get_nth_field(index, i)->prefix_len == 0 - && len != UNIV_SQL_NULL && fixed_size - && len != fixed_size) - || (dict_index_get_nth_field(index, i)->prefix_len > 0 - && len != UNIV_SQL_NULL - && len - > dict_index_get_nth_field(index, i)->prefix_len)) { - - btr_index_rec_validate_report(page, rec, index); - fprintf(stderr, - "InnoDB: field %lu len is %lu," - " should be %lu\n", - (ulong) i, (ulong) len, (ulong) fixed_size); - - if (dump_on_error) { - buf_page_print(page, 0); - - fputs("InnoDB: corrupt record ", stderr); - rec_print_new(stderr, rec, offsets); - putc('\n', stderr); - } - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(FALSE); - } - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(TRUE); -} - -/************************************************************//** -Checks the size and number of fields in records based on the definition of -the index. -@return TRUE if ok */ -static -ibool -btr_index_page_validate( -/*====================*/ - buf_block_t* block, /*!< in: index page */ - dict_index_t* index) /*!< in: index */ -{ - page_cur_t cur; - ibool ret = TRUE; - - page_cur_set_before_first(block, &cur); - page_cur_move_to_next(&cur); - - for (;;) { - if (page_cur_is_after_last(&cur)) { - - break; - } - - if (!btr_index_rec_validate(cur.rec, index, TRUE)) { - - return(FALSE); - } - - page_cur_move_to_next(&cur); - } - - return(ret); -} - -/************************************************************//** -Report an error on one page of an index tree. */ -static -void -btr_validate_report1( -/*=================*/ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: B-tree level */ - const buf_block_t* block) /*!< in: index page */ -{ - fprintf(stderr, "InnoDB: Error in page %lu of ", - buf_block_get_page_no(block)); - dict_index_name_print(stderr, NULL, index); - if (level) { - fprintf(stderr, ", index tree level %lu", level); - } - putc('\n', stderr); -} - -/************************************************************//** -Report an error on two pages of an index tree. */ -static -void -btr_validate_report2( -/*=================*/ - const dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: B-tree level */ - const buf_block_t* block1, /*!< in: first index page */ - const buf_block_t* block2) /*!< in: second index page */ -{ - fprintf(stderr, "InnoDB: Error in pages %lu and %lu of ", - buf_block_get_page_no(block1), - buf_block_get_page_no(block2)); - dict_index_name_print(stderr, NULL, index); - if (level) { - fprintf(stderr, ", index tree level %lu", level); - } - putc('\n', stderr); -} - -/************************************************************//** -Validates index tree level. -@return TRUE if ok */ -static -ibool -btr_validate_level( -/*===============*/ - dict_index_t* index, /*!< in: index tree */ - trx_t* trx, /*!< in: transaction or NULL */ - ulint level) /*!< in: level number */ -{ - ulint space; - ulint zip_size; - buf_block_t* block; - page_t* page; - buf_block_t* right_block = 0; /* remove warning */ - page_t* right_page = 0; /* remove warning */ - page_t* father_page; - btr_cur_t node_cur; - btr_cur_t right_node_cur; - rec_t* rec; - ulint right_page_no; - ulint left_page_no; - page_cur_t cursor; - dtuple_t* node_ptr_tuple; - ibool ret = TRUE; - mtr_t mtr; - mem_heap_t* heap = mem_heap_create(256); - ulint* offsets = NULL; - ulint* offsets2= NULL; -#ifdef UNIV_ZIP_DEBUG - page_zip_des_t* page_zip; -#endif /* UNIV_ZIP_DEBUG */ - - mtr_start(&mtr); - - mtr_x_lock(dict_index_get_lock(index), &mtr); - - block = btr_root_block_get(index, &mtr); - page = buf_block_get_frame(block); - - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - - while (level != btr_page_get_level(page, &mtr)) { - const rec_t* node_ptr; - - ut_a(space == buf_block_get_space(block)); - ut_a(space == page_get_space_id(page)); -#ifdef UNIV_ZIP_DEBUG - page_zip = buf_block_get_page_zip(block); - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - ut_a(!page_is_leaf(page)); - - page_cur_set_before_first(block, &cursor); - page_cur_move_to_next(&cursor); - - node_ptr = page_cur_get_rec(&cursor); - offsets = rec_get_offsets(node_ptr, index, offsets, - ULINT_UNDEFINED, &heap); - block = btr_node_ptr_get_child(node_ptr, index, offsets, &mtr); - page = buf_block_get_frame(block); - } - - /* Now we are on the desired level. Loop through the pages on that - level. */ -loop: - if (trx_is_interrupted(trx)) { - mtr_commit(&mtr); - mem_heap_free(heap); - return(ret); - } - mem_heap_empty(heap); - offsets = offsets2 = NULL; - mtr_x_lock(dict_index_get_lock(index), &mtr); - -#ifdef UNIV_ZIP_DEBUG - page_zip = buf_block_get_page_zip(block); - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - /* Check ordering etc. of records */ - - if (!page_validate(page, index)) { - btr_validate_report1(index, level, block); - - ret = FALSE; - } else if (level == 0) { - /* We are on level 0. Check that the records have the right - number of fields, and field lengths are right. */ - - if (!btr_index_page_validate(block, index)) { - - ret = FALSE; - } - } - - ut_a(btr_page_get_level(page, &mtr) == level); - - right_page_no = btr_page_get_next(page, &mtr); - left_page_no = btr_page_get_prev(page, &mtr); - - ut_a(page_get_n_recs(page) > 0 || (level == 0 - && page_get_page_no(page) - == dict_index_get_page(index))); - - if (right_page_no != FIL_NULL) { - const rec_t* right_rec; - right_block = btr_block_get(space, zip_size, right_page_no, - RW_X_LATCH, &mtr); - right_page = buf_block_get_frame(right_block); - if (UNIV_UNLIKELY(btr_page_get_prev(right_page, &mtr) - != page_get_page_no(page))) { - btr_validate_report2(index, level, block, right_block); - fputs("InnoDB: broken FIL_PAGE_NEXT" - " or FIL_PAGE_PREV links\n", stderr); - buf_page_print(page, 0); - buf_page_print(right_page, 0); - - ret = FALSE; - } - - if (UNIV_UNLIKELY(page_is_comp(right_page) - != page_is_comp(page))) { - btr_validate_report2(index, level, block, right_block); - fputs("InnoDB: 'compact' flag mismatch\n", stderr); - buf_page_print(page, 0); - buf_page_print(right_page, 0); - - ret = FALSE; - - goto node_ptr_fails; - } - - rec = page_rec_get_prev(page_get_supremum_rec(page)); - right_rec = page_rec_get_next(page_get_infimum_rec( - right_page)); - offsets = rec_get_offsets(rec, index, - offsets, ULINT_UNDEFINED, &heap); - offsets2 = rec_get_offsets(right_rec, index, - offsets2, ULINT_UNDEFINED, &heap); - if (UNIV_UNLIKELY(cmp_rec_rec(rec, right_rec, - offsets, offsets2, - index) >= 0)) { - - btr_validate_report2(index, level, block, right_block); - - fputs("InnoDB: records in wrong order" - " on adjacent pages\n", stderr); - - buf_page_print(page, 0); - buf_page_print(right_page, 0); - - fputs("InnoDB: record ", stderr); - rec = page_rec_get_prev(page_get_supremum_rec(page)); - rec_print(stderr, rec, index); - putc('\n', stderr); - fputs("InnoDB: record ", stderr); - rec = page_rec_get_next( - page_get_infimum_rec(right_page)); - rec_print(stderr, rec, index); - putc('\n', stderr); - - ret = FALSE; - } - } - - if (level > 0 && left_page_no == FIL_NULL) { - ut_a(REC_INFO_MIN_REC_FLAG & rec_get_info_bits( - page_rec_get_next(page_get_infimum_rec(page)), - page_is_comp(page))); - } - - if (buf_block_get_page_no(block) != dict_index_get_page(index)) { - - /* Check father node pointers */ - - rec_t* node_ptr; - - offsets = btr_page_get_father_block(offsets, heap, index, - block, &mtr, &node_cur); - father_page = btr_cur_get_page(&node_cur); - node_ptr = btr_cur_get_rec(&node_cur); - - btr_cur_position( - index, page_rec_get_prev(page_get_supremum_rec(page)), - block, &node_cur); - offsets = btr_page_get_father_node_ptr(offsets, heap, - &node_cur, &mtr); - - if (UNIV_UNLIKELY(node_ptr != btr_cur_get_rec(&node_cur)) - || UNIV_UNLIKELY(btr_node_ptr_get_child_page_no(node_ptr, - offsets) - != buf_block_get_page_no(block))) { - - btr_validate_report1(index, level, block); - - fputs("InnoDB: node pointer to the page is wrong\n", - stderr); - - buf_page_print(father_page, 0); - buf_page_print(page, 0); - - fputs("InnoDB: node ptr ", stderr); - rec_print(stderr, node_ptr, index); - - rec = btr_cur_get_rec(&node_cur); - fprintf(stderr, "\n" - "InnoDB: node ptr child page n:o %lu\n", - (ulong) btr_node_ptr_get_child_page_no( - rec, offsets)); - - fputs("InnoDB: record on page ", stderr); - rec_print_new(stderr, rec, offsets); - putc('\n', stderr); - ret = FALSE; - - goto node_ptr_fails; - } - - if (!page_is_leaf(page)) { - node_ptr_tuple = dict_index_build_node_ptr( - index, - page_rec_get_next(page_get_infimum_rec(page)), - 0, heap, btr_page_get_level(page, &mtr)); - - if (cmp_dtuple_rec(node_ptr_tuple, node_ptr, - offsets)) { - const rec_t* first_rec = page_rec_get_next( - page_get_infimum_rec(page)); - - btr_validate_report1(index, level, block); - - buf_page_print(father_page, 0); - buf_page_print(page, 0); - - fputs("InnoDB: Error: node ptrs differ" - " on levels > 0\n" - "InnoDB: node ptr ", stderr); - rec_print_new(stderr, node_ptr, offsets); - fputs("InnoDB: first rec ", stderr); - rec_print(stderr, first_rec, index); - putc('\n', stderr); - ret = FALSE; - - goto node_ptr_fails; - } - } - - if (left_page_no == FIL_NULL) { - ut_a(node_ptr == page_rec_get_next( - page_get_infimum_rec(father_page))); - ut_a(btr_page_get_prev(father_page, &mtr) == FIL_NULL); - } - - if (right_page_no == FIL_NULL) { - ut_a(node_ptr == page_rec_get_prev( - page_get_supremum_rec(father_page))); - ut_a(btr_page_get_next(father_page, &mtr) == FIL_NULL); - } else { - const rec_t* right_node_ptr - = page_rec_get_next(node_ptr); - - offsets = btr_page_get_father_block( - offsets, heap, index, right_block, - &mtr, &right_node_cur); - if (right_node_ptr - != page_get_supremum_rec(father_page)) { - - if (btr_cur_get_rec(&right_node_cur) - != right_node_ptr) { - ret = FALSE; - fputs("InnoDB: node pointer to" - " the right page is wrong\n", - stderr); - - btr_validate_report1(index, level, - block); - - buf_page_print(father_page, 0); - buf_page_print(page, 0); - buf_page_print(right_page, 0); - } - } else { - page_t* right_father_page - = btr_cur_get_page(&right_node_cur); - - if (btr_cur_get_rec(&right_node_cur) - != page_rec_get_next( - page_get_infimum_rec( - right_father_page))) { - ret = FALSE; - fputs("InnoDB: node pointer 2 to" - " the right page is wrong\n", - stderr); - - btr_validate_report1(index, level, - block); - - buf_page_print(father_page, 0); - buf_page_print(right_father_page, 0); - buf_page_print(page, 0); - buf_page_print(right_page, 0); - } - - if (page_get_page_no(right_father_page) - != btr_page_get_next(father_page, &mtr)) { - - ret = FALSE; - fputs("InnoDB: node pointer 3 to" - " the right page is wrong\n", - stderr); - - btr_validate_report1(index, level, - block); - - buf_page_print(father_page, 0); - buf_page_print(right_father_page, 0); - buf_page_print(page, 0); - buf_page_print(right_page, 0); - } - } - } - } - -node_ptr_fails: - /* Commit the mini-transaction to release the latch on 'page'. - Re-acquire the latch on right_page, which will become 'page' - on the next loop. The page has already been checked. */ - mtr_commit(&mtr); - - if (right_page_no != FIL_NULL) { - mtr_start(&mtr); - - block = btr_block_get(space, zip_size, right_page_no, - RW_X_LATCH, &mtr); - page = buf_block_get_frame(block); - - goto loop; - } - - mem_heap_free(heap); - return(ret); -} - -/**************************************************************//** -Checks the consistency of an index tree. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_validate_index( -/*===============*/ - dict_index_t* index, /*!< in: index */ - trx_t* trx) /*!< in: transaction or NULL */ -{ - mtr_t mtr; - page_t* root; - ulint i; - ulint n; - - mtr_start(&mtr); - mtr_x_lock(dict_index_get_lock(index), &mtr); - - root = btr_root_get(index, &mtr); - n = btr_page_get_level(root, &mtr); - - for (i = 0; i <= n && !trx_is_interrupted(trx); i++) { - if (!btr_validate_level(index, trx, n - i)) { - - mtr_commit(&mtr); - - return(FALSE); - } - } - - mtr_commit(&mtr); - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/btr/btr0cur.c b/perfschema/btr/btr0cur.c deleted file mode 100644 index 2a39074d4df..00000000000 --- a/perfschema/btr/btr0cur.c +++ /dev/null @@ -1,4969 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file btr/btr0cur.c -The index tree cursor - -All changes that row operations make to a B-tree or the records -there must go through this module! Undo log records are written here -of every modify or insert of a clustered index record. - - NOTE!!! -To make sure we do not run out of disk space during a pessimistic -insert or update, we have to reserve 2 x the height of the index tree -many pages in the tablespace before we start the operation, because -if leaf splitting has been started, it is difficult to undo, except -by crashing the database and doing a roll-forward. - -Created 10/16/1994 Heikki Tuuri -*******************************************************/ - -#include "btr0cur.h" - -#ifdef UNIV_NONINL -#include "btr0cur.ic" -#endif - -#include "row0upd.h" -#ifndef UNIV_HOTBACKUP -#include "mtr0log.h" -#include "page0page.h" -#include "page0zip.h" -#include "rem0rec.h" -#include "rem0cmp.h" -#include "buf0lru.h" -#include "btr0btr.h" -#include "btr0sea.h" -#include "row0purge.h" -#include "row0upd.h" -#include "trx0rec.h" -#include "trx0roll.h" /* trx_is_recv() */ -#include "que0que.h" -#include "row0row.h" -#include "srv0srv.h" -#include "ibuf0ibuf.h" -#include "lock0lock.h" -#include "zlib.h" - -/* Btree operation types, introduced as part of delete buffering. */ -typedef enum btr_op_enum { - BTR_NO_OP = 0, - BTR_INSERT_OP, - BTR_DELETE_OP, - BTR_DELMARK_OP -} btr_op_t; - -#ifdef UNIV_DEBUG -/** If the following is set to TRUE, this module prints a lot of -trace information of individual record operations */ -UNIV_INTERN ibool btr_cur_print_record_ops = FALSE; -#endif /* UNIV_DEBUG */ - -/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ -UNIV_INTERN ulint btr_cur_n_non_sea = 0; -/** Number of successful adaptive hash index lookups in -btr_cur_search_to_nth_level(). */ -UNIV_INTERN ulint btr_cur_n_sea = 0; -/** Old value of btr_cur_n_non_sea. Copied by -srv_refresh_innodb_monitor_stats(). Referenced by -srv_printf_innodb_monitor(). */ -UNIV_INTERN ulint btr_cur_n_non_sea_old = 0; -/** Old value of btr_cur_n_sea. Copied by -srv_refresh_innodb_monitor_stats(). Referenced by -srv_printf_innodb_monitor(). */ -UNIV_INTERN ulint btr_cur_n_sea_old = 0; - -/** In the optimistic insert, if the insert does not fit, but this much space -can be released by page reorganize, then it is reorganized */ -#define BTR_CUR_PAGE_REORGANIZE_LIMIT (UNIV_PAGE_SIZE / 32) - -/** The structure of a BLOB part header */ -/* @{ */ -/*--------------------------------------*/ -#define BTR_BLOB_HDR_PART_LEN 0 /*!< BLOB part len on this - page */ -#define BTR_BLOB_HDR_NEXT_PAGE_NO 4 /*!< next BLOB part page no, - FIL_NULL if none */ -/*--------------------------------------*/ -#define BTR_BLOB_HDR_SIZE 8 /*!< Size of a BLOB - part header, in bytes */ -/* @} */ -#endif /* !UNIV_HOTBACKUP */ - -/** A BLOB field reference full of zero, for use in assertions and tests. -Initially, BLOB field references are set to zero, in -dtuple_convert_big_rec(). */ -UNIV_INTERN const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Marks all extern fields in a record as owned by the record. This function -should be called if the delete mark of a record is removed: a not delete -marked record always owns all its extern fields. */ -static -void -btr_cur_unmark_extern_fields( -/*=========================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - rec_t* rec, /*!< in/out: record in a clustered index */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ -/*******************************************************************//** -Adds path information to the cursor for the current page, for which -the binary search has been performed. */ -static -void -btr_cur_add_path_info( -/*==================*/ - btr_cur_t* cursor, /*!< in: cursor positioned on a page */ - ulint height, /*!< in: height of the page in tree; - 0 means leaf node */ - ulint root_height); /*!< in: root node height in tree */ -/***********************************************************//** -Frees the externally stored fields for a record, if the field is mentioned -in the update vector. */ -static -void -btr_rec_free_updated_extern_fields( -/*===============================*/ - dict_index_t* index, /*!< in: index of rec; the index tree MUST be - X-latched */ - rec_t* rec, /*!< in: record */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - const upd_t* update, /*!< in: update vector */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr); /*!< in: mini-transaction handle which contains - an X-latch to record page and to the tree */ -/***********************************************************//** -Frees the externally stored fields for a record. */ -static -void -btr_rec_free_externally_stored_fields( -/*==================================*/ - dict_index_t* index, /*!< in: index of the data, the index - tree MUST be X-latched */ - rec_t* rec, /*!< in: record */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr); /*!< in: mini-transaction handle which contains - an X-latch to record page and to the index - tree */ -/***********************************************************//** -Gets the externally stored size of a record, in units of a database page. -@return externally stored part, in units of a database page */ -static -ulint -btr_rec_get_externally_stored_len( -/*==============================*/ - rec_t* rec, /*!< in: record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -#endif /* !UNIV_HOTBACKUP */ - -/******************************************************//** -The following function is used to set the deleted bit of a record. */ -UNIV_INLINE -void -btr_rec_set_deleted_flag( -/*=====================*/ - rec_t* rec, /*!< in/out: physical record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page (or NULL) */ - ulint flag) /*!< in: nonzero if delete marked */ -{ - if (page_rec_is_comp(rec)) { - rec_set_deleted_flag_new(rec, page_zip, flag); - } else { - ut_ad(!page_zip); - rec_set_deleted_flag_old(rec, flag); - } -} - -#ifndef UNIV_HOTBACKUP -/*==================== B-TREE SEARCH =========================*/ - -/********************************************************************//** -Latches the leaf page or pages requested. */ -static -void -btr_cur_latch_leaves( -/*=================*/ - page_t* page, /*!< in: leaf page where the search - converged */ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the leaf */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /*!< in: cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint mode; - ulint left_page_no; - ulint right_page_no; - buf_block_t* get_block; - - ut_ad(page && mtr); - - switch (latch_mode) { - case BTR_SEARCH_LEAF: - case BTR_MODIFY_LEAF: - mode = latch_mode == BTR_SEARCH_LEAF ? RW_S_LATCH : RW_X_LATCH; - get_block = btr_block_get(space, zip_size, page_no, mode, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - return; - case BTR_MODIFY_TREE: - /* x-latch also brothers from left to right */ - left_page_no = btr_page_get_prev(page, mtr); - - if (left_page_no != FIL_NULL) { - get_block = btr_block_get(space, zip_size, - left_page_no, - RW_X_LATCH, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) - == page_is_comp(page)); - ut_a(btr_page_get_next(get_block->frame, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - } - - get_block = btr_block_get(space, zip_size, page_no, - RW_X_LATCH, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - - right_page_no = btr_page_get_next(page, mtr); - - if (right_page_no != FIL_NULL) { - get_block = btr_block_get(space, zip_size, - right_page_no, - RW_X_LATCH, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) - == page_is_comp(page)); - ut_a(btr_page_get_prev(get_block->frame, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - } - - return; - - case BTR_SEARCH_PREV: - case BTR_MODIFY_PREV: - mode = latch_mode == BTR_SEARCH_PREV ? RW_S_LATCH : RW_X_LATCH; - /* latch also left brother */ - left_page_no = btr_page_get_prev(page, mtr); - - if (left_page_no != FIL_NULL) { - get_block = btr_block_get(space, zip_size, - left_page_no, mode, mtr); - cursor->left_block = get_block; -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) - == page_is_comp(page)); - ut_a(btr_page_get_next(get_block->frame, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - } - - get_block = btr_block_get(space, zip_size, page_no, mode, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(get_block->frame) == page_is_comp(page)); -#endif /* UNIV_BTR_DEBUG */ - get_block->check_index_page_at_flush = TRUE; - return; - } - - ut_error; -} - -/********************************************************************//** -Searches an index tree and positions a tree cursor on a given level. -NOTE: n_fields_cmp in tuple must be set so that it cannot be compared -to node pointer page number fields on the upper levels of the tree! -Note that if mode is PAGE_CUR_LE, which is used in inserts, then -cursor->up_match and cursor->low_match both will have sensible values. -If mode is PAGE_CUR_GE, then up_match will a have a sensible value. - -If mode is PAGE_CUR_LE , cursor is left at the place where an insert of the -search tuple should be performed in the B-tree. InnoDB does an insert -immediately after the cursor. Thus, the cursor may end up on a user record, -or on a page infimum record. */ -UNIV_INTERN -void -btr_cur_search_to_nth_level( -/*========================*/ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: the tree level of search */ - const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in - tuple must be set so that it cannot get - compared to the node ptr page number field! */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - Inserts should always be made using - PAGE_CUR_LE to search the position! */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with - at most one of BTR_INSERT, BTR_DELETE_MARK, - BTR_DELETE, or BTR_ESTIMATE; - cursor->left_block is used to store a pointer - to the left neighbor page, in the cases - BTR_SEARCH_PREV and BTR_MODIFY_PREV; - NOTE that if has_search_latch - is != 0, we maybe do not have a latch set - on the cursor page, we assume - the caller uses his search latch - to protect the record! */ - btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is - s- or x-latched, but see also above! */ - ulint has_search_latch,/*!< in: info on the latch mode the - caller currently has on btr_search_latch: - RW_S_LATCH, or 0 */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - buf_block_t* block; - ulint space; - buf_block_t* guess; - ulint height; - rec_t* node_ptr; - ulint page_no; - ulint up_match; - ulint up_bytes; - ulint low_match; - ulint low_bytes; - ulint savepoint; - ulint rw_latch; - ulint page_mode; - ulint buf_mode; - ulint estimate; - ulint zip_size; - page_cur_t* page_cursor; - ulint ignore_sec_unique; - btr_op_t btr_op = BTR_NO_OP; - ulint root_height = 0; /* remove warning */ - -#ifdef BTR_CUR_ADAPT - btr_search_t* info; -#endif - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - /* Currently, PAGE_CUR_LE is the only search mode used for searches - ending to upper levels */ - - ut_ad(level == 0 || mode == PAGE_CUR_LE); - ut_ad(dict_index_check_search_tuple(index, tuple)); - ut_ad(!dict_index_is_ibuf(index) || ibuf_inside()); - ut_ad(dtuple_check_typed(tuple)); - -#ifdef UNIV_DEBUG - cursor->up_match = ULINT_UNDEFINED; - cursor->low_match = ULINT_UNDEFINED; -#endif - - /* These flags are mutually exclusive, they are lumped together - with the latch mode for historical reasons. It's possible for - none of the flags to be set. */ - switch (UNIV_EXPECT(latch_mode - & (BTR_INSERT | BTR_DELETE | BTR_DELETE_MARK), - 0)) { - case 0: - break; - case BTR_INSERT: - btr_op = BTR_INSERT_OP; - break; - case BTR_DELETE: - btr_op = BTR_DELETE_OP; - ut_a(cursor->purge_node); - break; - case BTR_DELETE_MARK: - btr_op = BTR_DELMARK_OP; - break; - default: - /* only one of BTR_INSERT, BTR_DELETE, BTR_DELETE_MARK - should be specified at a time */ - ut_error; - } - - /* Operations on the insert buffer tree cannot be buffered. */ - ut_ad(btr_op == BTR_NO_OP || !dict_index_is_ibuf(index)); - /* Operations on the clustered index cannot be buffered. */ - ut_ad(btr_op == BTR_NO_OP || !dict_index_is_clust(index)); - - estimate = latch_mode & BTR_ESTIMATE; - ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE; - - /* Turn the flags unrelated to the latch mode off. */ - latch_mode &= ~(BTR_INSERT - | BTR_DELETE_MARK - | BTR_DELETE - | BTR_ESTIMATE - | BTR_IGNORE_SEC_UNIQUE); - - cursor->flag = BTR_CUR_BINARY; - cursor->index = index; - - cursor->ibuf_cnt = ULINT_UNDEFINED; - -#ifndef BTR_CUR_ADAPT - guess = NULL; -#else - info = btr_search_get_info(index); - - guess = info->root_guess; - -#ifdef BTR_CUR_HASH_ADAPT - -#ifdef UNIV_SEARCH_PERF_STAT - info->n_searches++; -#endif - - /* Ibuf does not use adaptive hash; this is prevented by the - latch_mode check below. */ - if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_NOT_LOCKED - && latch_mode <= BTR_MODIFY_LEAF - && info->last_hash_succ - && !estimate -#ifdef PAGE_CUR_LE_OR_EXTENDS - && mode != PAGE_CUR_LE_OR_EXTENDS -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - /* If !has_search_latch, we do a dirty read of - btr_search_enabled below, and btr_search_guess_on_hash() - will have to check it again. */ - && UNIV_LIKELY(btr_search_enabled) - && btr_search_guess_on_hash(index, info, tuple, mode, - latch_mode, cursor, - has_search_latch, mtr)) { - - /* Search using the hash index succeeded */ - - ut_ad(cursor->up_match != ULINT_UNDEFINED - || mode != PAGE_CUR_GE); - ut_ad(cursor->up_match != ULINT_UNDEFINED - || mode != PAGE_CUR_LE); - ut_ad(cursor->low_match != ULINT_UNDEFINED - || mode != PAGE_CUR_LE); - btr_cur_n_sea++; - - return; - } -#endif /* BTR_CUR_HASH_ADAPT */ -#endif /* BTR_CUR_ADAPT */ - btr_cur_n_non_sea++; - - /* If the hash search did not succeed, do binary search down the - tree */ - - if (has_search_latch) { - /* Release possible search latch to obey latching order */ - rw_lock_s_unlock(&btr_search_latch); - } - - /* Store the position of the tree latch we push to mtr so that we - know how to release it when we have latched leaf node(s) */ - - savepoint = mtr_set_savepoint(mtr); - - if (latch_mode == BTR_MODIFY_TREE) { - mtr_x_lock(dict_index_get_lock(index), mtr); - - } else if (latch_mode == BTR_CONT_MODIFY_TREE) { - /* Do nothing */ - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - } else { - mtr_s_lock(dict_index_get_lock(index), mtr); - } - - page_cursor = btr_cur_get_page_cur(cursor); - - space = dict_index_get_space(index); - page_no = dict_index_get_page(index); - - up_match = 0; - up_bytes = 0; - low_match = 0; - low_bytes = 0; - - height = ULINT_UNDEFINED; - - /* We use these modified search modes on non-leaf levels of the - B-tree. These let us end up in the right B-tree leaf. In that leaf - we use the original search mode. */ - - switch (mode) { - case PAGE_CUR_GE: - page_mode = PAGE_CUR_L; - break; - case PAGE_CUR_G: - page_mode = PAGE_CUR_LE; - break; - default: -#ifdef PAGE_CUR_LE_OR_EXTENDS - ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE - || mode == PAGE_CUR_LE_OR_EXTENDS); -#else /* PAGE_CUR_LE_OR_EXTENDS */ - ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE); -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - page_mode = mode; - break; - } - - /* Loop and search until we arrive at the desired level */ - -search_loop: - buf_mode = BUF_GET; - rw_latch = RW_NO_LATCH; - - if (height != 0) { - /* We are about to fetch the root or a non-leaf page. */ - } else if (dict_index_is_ibuf(index)) { - /* We're doing a search on an ibuf tree and we're one - level above the leaf page. */ - - ulint is_min_rec; - - ut_ad(level == 0); - - is_min_rec = rec_get_info_bits(node_ptr, 0) - & REC_INFO_MIN_REC_FLAG; - - if (!is_min_rec) { - cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); - - ut_a(cursor->ibuf_cnt <= 0xFFFF - || cursor->ibuf_cnt == ULINT_UNDEFINED); - } - } else if (latch_mode <= BTR_MODIFY_LEAF) { - rw_latch = latch_mode; - - if (btr_op != BTR_NO_OP - && ibuf_should_try(index, ignore_sec_unique)) { - - /* Try to buffer the operation if the leaf - page is not in the buffer pool. */ - - buf_mode = btr_op == BTR_DELETE_OP - ? BUF_GET_IF_IN_POOL_OR_WATCH - : BUF_GET_IF_IN_POOL; - } - } - - zip_size = dict_table_zip_size(index->table); - -retry_page_get: - block = buf_page_get_gen( - space, zip_size, page_no, rw_latch, guess, buf_mode, - file, line, mtr); - - if (block == NULL) { - /* This must be a search to perform an insert/delete - mark/ delete; try using the insert/delete buffer */ - - ut_ad(height == 0); - ut_ad(cursor->thr); - - switch (btr_op) { - case BTR_INSERT_OP: - ut_ad(buf_mode == BUF_GET_IF_IN_POOL); - - if (ibuf_insert(IBUF_OP_INSERT, tuple, index, - space, zip_size, page_no, - cursor->thr)) { - - cursor->flag = BTR_CUR_INSERT_TO_IBUF; - - goto func_exit; - } - break; - - case BTR_DELMARK_OP: - ut_ad(buf_mode == BUF_GET_IF_IN_POOL); - - if (ibuf_insert(IBUF_OP_DELETE_MARK, tuple, - index, space, zip_size, - page_no, cursor->thr)) { - - cursor->flag = BTR_CUR_DEL_MARK_IBUF; - - goto func_exit; - } - - break; - - case BTR_DELETE_OP: - ut_ad(buf_mode == BUF_GET_IF_IN_POOL_OR_WATCH); - - if (!row_purge_poss_sec(cursor->purge_node, - index, tuple)) { - - /* The record cannot be purged yet. */ - cursor->flag = BTR_CUR_DELETE_REF; - } else if (ibuf_insert(IBUF_OP_DELETE, tuple, - index, space, zip_size, - page_no, - cursor->thr)) { - - /* The purge was buffered. */ - cursor->flag = BTR_CUR_DELETE_IBUF; - } else { - /* The purge could not be buffered. */ - buf_pool_watch_unset(space, page_no); - break; - } - - buf_pool_watch_unset(space, page_no); - goto func_exit; - - default: - ut_error; - } - - /* Insert to the insert/delete buffer did not succeed, we - must read the page from disk. */ - - buf_mode = BUF_GET; - - goto retry_page_get; - } - - block->check_index_page_at_flush = TRUE; - page = buf_block_get_frame(block); - - if (rw_latch != RW_NO_LATCH) { -#ifdef UNIV_ZIP_DEBUG - const page_zip_des_t* page_zip - = buf_block_get_page_zip(block); - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - } - - ut_ad(0 == ut_dulint_cmp(index->id, btr_page_get_index_id(page))); - - if (UNIV_UNLIKELY(height == ULINT_UNDEFINED)) { - /* We are in the root node */ - - height = btr_page_get_level(page, mtr); - root_height = height; - cursor->tree_height = root_height + 1; - -#ifdef BTR_CUR_ADAPT - if (block != guess) { - info->root_guess = block; - } -#endif - } - - if (height == 0) { - if (rw_latch == RW_NO_LATCH) { - - btr_cur_latch_leaves( - page, space, zip_size, page_no, latch_mode, - cursor, mtr); - } - - if (latch_mode != BTR_MODIFY_TREE - && latch_mode != BTR_CONT_MODIFY_TREE) { - - /* Release the tree s-latch */ - - mtr_release_s_latch_at_savepoint( - mtr, savepoint, dict_index_get_lock(index)); - } - - page_mode = mode; - } - - page_cur_search_with_match( - block, index, tuple, page_mode, &up_match, &up_bytes, - &low_match, &low_bytes, page_cursor); - - if (estimate) { - btr_cur_add_path_info(cursor, height, root_height); - } - - /* If this is the desired level, leave the loop */ - - ut_ad(height == btr_page_get_level(page_cur_get_page(page_cursor), - mtr)); - - if (level != height) { - - ut_ad(height > 0); - - height--; - guess = NULL; - - node_ptr = page_cur_get_rec(page_cursor); - - offsets = rec_get_offsets( - node_ptr, index, offsets, ULINT_UNDEFINED, &heap); - - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - - goto search_loop; - } - - if (level != 0) { - /* x-latch the page */ - page = btr_page_get( - space, zip_size, page_no, RW_X_LATCH, mtr); - - ut_a((ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - } else { - cursor->low_match = low_match; - cursor->low_bytes = low_bytes; - cursor->up_match = up_match; - cursor->up_bytes = up_bytes; - -#ifdef BTR_CUR_ADAPT - /* We do a dirty read of btr_search_enabled here. We - will properly check btr_search_enabled again in - btr_search_build_page_hash_index() before building a - page hash index, while holding btr_search_latch. */ - if (UNIV_LIKELY(btr_search_enabled)) { - - btr_search_info_update(index, cursor); - } -#endif - ut_ad(cursor->up_match != ULINT_UNDEFINED - || mode != PAGE_CUR_GE); - ut_ad(cursor->up_match != ULINT_UNDEFINED - || mode != PAGE_CUR_LE); - ut_ad(cursor->low_match != ULINT_UNDEFINED - || mode != PAGE_CUR_LE); - } - -func_exit: - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - if (has_search_latch) { - - rw_lock_s_lock(&btr_search_latch); - } -} - -/*****************************************************************//** -Opens a cursor at either end of an index. */ -UNIV_INTERN -void -btr_cur_open_at_index_side_func( -/*============================*/ - ibool from_left, /*!< in: TRUE if open to the low end, - FALSE if to the high end */ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: latch mode */ - btr_cur_t* cursor, /*!< in: cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t* page_cursor; - ulint page_no; - ulint space; - ulint zip_size; - ulint height; - ulint root_height = 0; /* remove warning */ - rec_t* node_ptr; - ulint estimate; - ulint savepoint; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - estimate = latch_mode & BTR_ESTIMATE; - latch_mode = latch_mode & ~BTR_ESTIMATE; - - /* Store the position of the tree latch we push to mtr so that we - know how to release it when we have latched the leaf node */ - - savepoint = mtr_set_savepoint(mtr); - - if (latch_mode == BTR_MODIFY_TREE) { - mtr_x_lock(dict_index_get_lock(index), mtr); - } else { - mtr_s_lock(dict_index_get_lock(index), mtr); - } - - page_cursor = btr_cur_get_page_cur(cursor); - cursor->index = index; - - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - page_no = dict_index_get_page(index); - - height = ULINT_UNDEFINED; - - for (;;) { - buf_block_t* block; - page_t* page; - block = buf_page_get_gen(space, zip_size, page_no, - RW_NO_LATCH, NULL, BUF_GET, - file, line, mtr); - page = buf_block_get_frame(block); - ut_ad(0 == ut_dulint_cmp(index->id, - btr_page_get_index_id(page))); - - block->check_index_page_at_flush = TRUE; - - if (height == ULINT_UNDEFINED) { - /* We are in the root node */ - - height = btr_page_get_level(page, mtr); - root_height = height; - } - - if (height == 0) { - btr_cur_latch_leaves(page, space, zip_size, page_no, - latch_mode, cursor, mtr); - - /* In versions <= 3.23.52 we had forgotten to - release the tree latch here. If in an index scan - we had to scan far to find a record visible to the - current transaction, that could starve others - waiting for the tree latch. */ - - if ((latch_mode != BTR_MODIFY_TREE) - && (latch_mode != BTR_CONT_MODIFY_TREE)) { - - /* Release the tree s-latch */ - - mtr_release_s_latch_at_savepoint( - mtr, savepoint, - dict_index_get_lock(index)); - } - } - - if (from_left) { - page_cur_set_before_first(block, page_cursor); - } else { - page_cur_set_after_last(block, page_cursor); - } - - if (height == 0) { - if (estimate) { - btr_cur_add_path_info(cursor, height, - root_height); - } - - break; - } - - ut_ad(height > 0); - - if (from_left) { - page_cur_move_to_next(page_cursor); - } else { - page_cur_move_to_prev(page_cursor); - } - - if (estimate) { - btr_cur_add_path_info(cursor, height, root_height); - } - - height--; - - node_ptr = page_cur_get_rec(page_cursor); - offsets = rec_get_offsets(node_ptr, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/**********************************************************************//** -Positions a cursor at a randomly chosen position within a B-tree. */ -UNIV_INTERN -void -btr_cur_open_at_rnd_pos_func( -/*=========================*/ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /*!< in/out: B-tree cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t* page_cursor; - ulint page_no; - ulint space; - ulint zip_size; - ulint height; - rec_t* node_ptr; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - if (latch_mode == BTR_MODIFY_TREE) { - mtr_x_lock(dict_index_get_lock(index), mtr); - } else { - mtr_s_lock(dict_index_get_lock(index), mtr); - } - - page_cursor = btr_cur_get_page_cur(cursor); - cursor->index = index; - - space = dict_index_get_space(index); - zip_size = dict_table_zip_size(index->table); - page_no = dict_index_get_page(index); - - height = ULINT_UNDEFINED; - - for (;;) { - buf_block_t* block; - page_t* page; - - block = buf_page_get_gen(space, zip_size, page_no, - RW_NO_LATCH, NULL, BUF_GET, - file, line, mtr); - page = buf_block_get_frame(block); - ut_ad(0 == ut_dulint_cmp(index->id, - btr_page_get_index_id(page))); - - if (height == ULINT_UNDEFINED) { - /* We are in the root node */ - - height = btr_page_get_level(page, mtr); - } - - if (height == 0) { - btr_cur_latch_leaves(page, space, zip_size, page_no, - latch_mode, cursor, mtr); - } - - page_cur_open_on_rnd_user_rec(block, page_cursor); - - if (height == 0) { - - break; - } - - ut_ad(height > 0); - - height--; - - node_ptr = page_cur_get_rec(page_cursor); - offsets = rec_get_offsets(node_ptr, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - /* Go to the child node */ - page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/*==================== B-TREE INSERT =========================*/ - -/*************************************************************//** -Inserts a record if there is enough space, or if enough space can -be freed by reorganizing. Differs from btr_cur_optimistic_insert because -no heuristics is applied to whether it pays to use CPU time for -reorganizing the page or not. -@return pointer to inserted record if succeed, else NULL */ -static -rec_t* -btr_cur_insert_if_possible( -/*=======================*/ - btr_cur_t* cursor, /*!< in: cursor on page after which to insert; - cursor stays valid */ - const dtuple_t* tuple, /*!< in: tuple to insert; the size info need not - have been stored to tuple */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t* page_cursor; - buf_block_t* block; - rec_t* rec; - - ut_ad(dtuple_check_typed(tuple)); - - block = btr_cur_get_block(cursor); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - page_cursor = btr_cur_get_page_cur(cursor); - - /* Now, try the insert */ - rec = page_cur_tuple_insert(page_cursor, tuple, - cursor->index, n_ext, mtr); - - if (UNIV_UNLIKELY(!rec)) { - /* If record did not fit, reorganize */ - - if (btr_page_reorganize(block, cursor->index, mtr)) { - - page_cur_search(block, cursor->index, tuple, - PAGE_CUR_LE, page_cursor); - - rec = page_cur_tuple_insert(page_cursor, tuple, - cursor->index, n_ext, mtr); - } - } - - return(rec); -} - -/*************************************************************//** -For an insert, checks the locks and does the undo logging if desired. -@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ -UNIV_INLINE -ulint -btr_cur_ins_lock_and_undo( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags: if - not zero, the parameters index and thr - should be specified */ - btr_cur_t* cursor, /*!< in: cursor on page after which to insert */ - const dtuple_t* entry, /*!< in: entry to insert */ - que_thr_t* thr, /*!< in: query thread or NULL */ - mtr_t* mtr, /*!< in/out: mini-transaction */ - ibool* inherit)/*!< out: TRUE if the inserted new record maybe - should inherit LOCK_GAP type locks from the - successor record */ -{ - dict_index_t* index; - ulint err; - rec_t* rec; - roll_ptr_t roll_ptr; - - /* Check if we have to wait for a lock: enqueue an explicit lock - request if yes */ - - rec = btr_cur_get_rec(cursor); - index = cursor->index; - - err = lock_rec_insert_check_and_lock(flags, rec, - btr_cur_get_block(cursor), - index, thr, mtr, inherit); - - if (err != DB_SUCCESS) { - - return(err); - } - - if (dict_index_is_clust(index) && !dict_index_is_ibuf(index)) { - - err = trx_undo_report_row_operation(flags, TRX_UNDO_INSERT_OP, - thr, index, entry, - NULL, 0, NULL, - &roll_ptr); - if (err != DB_SUCCESS) { - - return(err); - } - - /* Now we can fill in the roll ptr field in entry */ - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - - row_upd_index_entry_sys_field(entry, index, - DATA_ROLL_PTR, roll_ptr); - } - } - - return(DB_SUCCESS); -} - -#ifdef UNIV_DEBUG -/*************************************************************//** -Report information about a transaction. */ -static -void -btr_cur_trx_report( -/*===============*/ - trx_t* trx, /*!< in: transaction */ - const dict_index_t* index, /*!< in: index */ - const char* op) /*!< in: operation */ -{ - fprintf(stderr, "Trx with id " TRX_ID_FMT " going to ", - TRX_ID_PREP_PRINTF(trx->id)); - fputs(op, stderr); - dict_index_name_print(stderr, trx, index); - putc('\n', stderr); -} -#endif /* UNIV_DEBUG */ - -/*************************************************************//** -Tries to perform an insert to a page in an index tree, next to cursor. -It is assumed that mtr holds an x-latch on the page. The operation does -not succeed if there is too little space on the page. If there is just -one record on the page, the insert will always succeed; this is to -prevent trying to split a page with just one record. -@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ -UNIV_INTERN -ulint -btr_cur_optimistic_insert( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags: if not - zero, the parameters index and thr should be - specified */ - btr_cur_t* cursor, /*!< in: cursor on page after which to insert; - cursor stays valid */ - dtuple_t* entry, /*!< in/out: entry to insert */ - rec_t** rec, /*!< out: pointer to inserted record if - succeed */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or - NULL */ - ulint n_ext, /*!< in: number of externally stored columns */ - que_thr_t* thr, /*!< in: query thread or NULL */ - mtr_t* mtr) /*!< in: mtr; if this function returns - DB_SUCCESS on a leaf page of a secondary - index in a compressed tablespace, the - mtr must be committed before latching - any further pages */ -{ - big_rec_t* big_rec_vec = NULL; - dict_index_t* index; - page_cur_t* page_cursor; - buf_block_t* block; - page_t* page; - ulint max_size; - rec_t* dummy_rec; - ibool leaf; - ibool reorg; - ibool inherit; - ulint zip_size; - ulint rec_size; - mem_heap_t* heap = NULL; - ulint err; - - *big_rec = NULL; - - block = btr_cur_get_block(cursor); - page = buf_block_get_frame(block); - index = cursor->index; - zip_size = buf_block_get_zip_size(block); -#ifdef UNIV_DEBUG_VALGRIND - if (zip_size) { - UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_RW(block->page.zip.data, zip_size); - } -#endif /* UNIV_DEBUG_VALGRIND */ - - if (!dtuple_check_typed_no_assert(entry)) { - fputs("InnoDB: Error in a tuple to insert into ", stderr); - dict_index_name_print(stderr, thr_get_trx(thr), index); - } -#ifdef UNIV_DEBUG - if (btr_cur_print_record_ops && thr) { - btr_cur_trx_report(thr_get_trx(thr), index, "insert into "); - dtuple_print(stderr, entry); - } -#endif /* UNIV_DEBUG */ - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - max_size = page_get_max_insert_size_after_reorganize(page, 1); - leaf = page_is_leaf(page); - - /* Calculate the record size when entry is converted to a record */ - rec_size = rec_get_converted_size(index, entry, n_ext); - - if (page_zip_rec_needs_ext(rec_size, page_is_comp(page), - dtuple_get_n_fields(entry), zip_size)) { - - /* The record is so big that we have to store some fields - externally on separate database pages */ - big_rec_vec = dtuple_convert_big_rec(index, entry, &n_ext); - - if (UNIV_UNLIKELY(big_rec_vec == NULL)) { - - return(DB_TOO_BIG_RECORD); - } - - rec_size = rec_get_converted_size(index, entry, n_ext); - } - - if (UNIV_UNLIKELY(zip_size)) { - /* Estimate the free space of an empty compressed page. - Subtract one byte for the encoded heap_no in the - modification log. */ - ulint free_space_zip = page_zip_empty_size( - cursor->index->n_fields, zip_size) - 1; - ulint n_uniq = dict_index_get_n_unique_in_tree(index); - - ut_ad(dict_table_is_comp(index->table)); - - /* There should be enough room for two node pointer - records on an empty non-leaf page. This prevents - infinite page splits. */ - - if (UNIV_LIKELY(entry->n_fields >= n_uniq) - && UNIV_UNLIKELY(REC_NODE_PTR_SIZE - + rec_get_converted_size_comp_prefix( - index, entry->fields, n_uniq, - NULL) - /* On a compressed page, there is - a two-byte entry in the dense - page directory for every record. - But there is no record header. */ - - (REC_N_NEW_EXTRA_BYTES - 2) - > free_space_zip / 2)) { - - if (big_rec_vec) { - dtuple_convert_back_big_rec( - index, entry, big_rec_vec); - } - - if (heap) { - mem_heap_free(heap); - } - - return(DB_TOO_BIG_RECORD); - } - } - - /* If there have been many consecutive inserts, and we are on the leaf - level, check if we have to split the page to reserve enough free space - for future updates of records. */ - - if (dict_index_is_clust(index) - && (page_get_n_recs(page) >= 2) - && UNIV_LIKELY(leaf) - && (dict_index_get_space_reserve() + rec_size > max_size) - && (btr_page_get_split_rec_to_right(cursor, &dummy_rec) - || btr_page_get_split_rec_to_left(cursor, &dummy_rec))) { -fail: - err = DB_FAIL; -fail_err: - - if (big_rec_vec) { - dtuple_convert_back_big_rec(index, entry, big_rec_vec); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - return(err); - } - - if (UNIV_UNLIKELY(max_size < BTR_CUR_PAGE_REORGANIZE_LIMIT - || max_size < rec_size) - && UNIV_LIKELY(page_get_n_recs(page) > 1) - && page_get_max_insert_size(page, 1) < rec_size) { - - goto fail; - } - - /* Check locks and write to the undo log, if specified */ - err = btr_cur_ins_lock_and_undo(flags, cursor, entry, - thr, mtr, &inherit); - - if (UNIV_UNLIKELY(err != DB_SUCCESS)) { - - goto fail_err; - } - - page_cursor = btr_cur_get_page_cur(cursor); - - /* Now, try the insert */ - - { - const rec_t* page_cursor_rec = page_cur_get_rec(page_cursor); - *rec = page_cur_tuple_insert(page_cursor, entry, index, - n_ext, mtr); - reorg = page_cursor_rec != page_cur_get_rec(page_cursor); - - if (UNIV_UNLIKELY(reorg)) { - ut_a(zip_size); - ut_a(*rec); - } - } - - if (UNIV_UNLIKELY(!*rec) && UNIV_LIKELY(!reorg)) { - /* If the record did not fit, reorganize */ - if (UNIV_UNLIKELY(!btr_page_reorganize(block, index, mtr))) { - ut_a(zip_size); - - goto fail; - } - - ut_ad(zip_size - || page_get_max_insert_size(page, 1) == max_size); - - reorg = TRUE; - - page_cur_search(block, index, entry, PAGE_CUR_LE, page_cursor); - - *rec = page_cur_tuple_insert(page_cursor, entry, index, - n_ext, mtr); - - if (UNIV_UNLIKELY(!*rec)) { - if (UNIV_LIKELY(zip_size != 0)) { - - goto fail; - } - - fputs("InnoDB: Error: cannot insert tuple ", stderr); - dtuple_print(stderr, entry); - fputs(" into ", stderr); - dict_index_name_print(stderr, thr_get_trx(thr), index); - fprintf(stderr, "\nInnoDB: max insert size %lu\n", - (ulong) max_size); - ut_error; - } - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - -#ifdef BTR_CUR_HASH_ADAPT - if (!reorg && leaf && (cursor->flag == BTR_CUR_HASH)) { - btr_search_update_hash_node_on_insert(cursor); - } else { - btr_search_update_hash_on_insert(cursor); - } -#endif - - if (!(flags & BTR_NO_LOCKING_FLAG) && inherit) { - - lock_update_insert(block, *rec); - } - -#if 0 - fprintf(stderr, "Insert into page %lu, max ins size %lu," - " rec %lu ind type %lu\n", - buf_block_get_page_no(block), max_size, - rec_size + PAGE_DIR_SLOT_SIZE, index->type); -#endif - if (leaf && !dict_index_is_clust(index)) { - /* Update the free bits of the B-tree page in the - insert buffer bitmap. */ - - /* The free bits in the insert buffer bitmap must - never exceed the free space on a page. It is safe to - decrement or reset the bits in the bitmap in a - mini-transaction that is committed before the - mini-transaction that affects the free space. */ - - /* It is unsafe to increment the bits in a separately - committed mini-transaction, because in crash recovery, - the free bits could momentarily be set too high. */ - - if (zip_size) { - /* Update the bits in the same mini-transaction. */ - ibuf_update_free_bits_zip(block, mtr); - } else { - /* Decrement the bits in a separate - mini-transaction. */ - ibuf_update_free_bits_if_full( - block, max_size, - rec_size + PAGE_DIR_SLOT_SIZE); - } - } - - *big_rec = big_rec_vec; - - return(DB_SUCCESS); -} - -/*************************************************************//** -Performs an insert on a page of an index tree. It is assumed that mtr -holds an x-latch on the tree and on the cursor page. If the insert is -made on the leaf level, to avoid deadlocks, mtr must also own x-latches -to brothers of page, if those brothers exist. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -btr_cur_pessimistic_insert( -/*=======================*/ - ulint flags, /*!< in: undo logging and locking flags: if not - zero, the parameter thr should be - specified; if no undo logging is specified, - then the caller must have reserved enough - free extents in the file space so that the - insertion will certainly succeed */ - btr_cur_t* cursor, /*!< in: cursor after which to insert; - cursor stays valid */ - dtuple_t* entry, /*!< in/out: entry to insert */ - rec_t** rec, /*!< out: pointer to inserted record if - succeed */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or - NULL */ - ulint n_ext, /*!< in: number of externally stored columns */ - que_thr_t* thr, /*!< in: query thread or NULL */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index = cursor->index; - ulint zip_size = dict_table_zip_size(index->table); - big_rec_t* big_rec_vec = NULL; - mem_heap_t* heap = NULL; - ulint err; - ibool dummy_inh; - ibool success; - ulint n_extents = 0; - ulint n_reserved; - - ut_ad(dtuple_check_typed(entry)); - - *big_rec = NULL; - - ut_ad(mtr_memo_contains(mtr, - dict_index_get_lock(btr_cur_get_index(cursor)), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), - MTR_MEMO_PAGE_X_FIX)); - - /* Try first an optimistic insert; reset the cursor flag: we do not - assume anything of how it was positioned */ - - cursor->flag = BTR_CUR_BINARY; - - err = btr_cur_optimistic_insert(flags, cursor, entry, rec, - big_rec, n_ext, thr, mtr); - if (err != DB_FAIL) { - - return(err); - } - - /* Retry with a pessimistic insert. Check locks and write to undo log, - if specified */ - - err = btr_cur_ins_lock_and_undo(flags, cursor, entry, - thr, mtr, &dummy_inh); - - if (err != DB_SUCCESS) { - - return(err); - } - - if (!(flags & BTR_NO_UNDO_LOG_FLAG)) { - /* First reserve enough free space for the file segments - of the index tree, so that the insert will not fail because - of lack of space */ - - n_extents = cursor->tree_height / 16 + 3; - - success = fsp_reserve_free_extents(&n_reserved, index->space, - n_extents, FSP_NORMAL, mtr); - if (!success) { - return(DB_OUT_OF_FILE_SPACE); - } - } - - if (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, n_ext), - dict_table_is_comp(index->table), - dict_index_get_n_fields(index), - zip_size)) { - /* The record is so big that we have to store some fields - externally on separate database pages */ - - if (UNIV_LIKELY_NULL(big_rec_vec)) { - /* This should never happen, but we handle - the situation in a robust manner. */ - ut_ad(0); - dtuple_convert_back_big_rec(index, entry, big_rec_vec); - } - - big_rec_vec = dtuple_convert_big_rec(index, entry, &n_ext); - - if (big_rec_vec == NULL) { - - if (n_extents > 0) { - fil_space_release_free_extents(index->space, - n_reserved); - } - return(DB_TOO_BIG_RECORD); - } - } - - if (dict_index_get_page(index) - == buf_block_get_page_no(btr_cur_get_block(cursor))) { - - /* The page is the root page */ - *rec = btr_root_raise_and_insert(cursor, entry, n_ext, mtr); - } else { - *rec = btr_page_split_and_insert(cursor, entry, n_ext, mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - ut_ad(page_rec_get_next(btr_cur_get_rec(cursor)) == *rec); - -#ifdef BTR_CUR_ADAPT - btr_search_update_hash_on_insert(cursor); -#endif - if (!(flags & BTR_NO_LOCKING_FLAG)) { - - lock_update_insert(btr_cur_get_block(cursor), *rec); - } - - if (n_extents > 0) { - fil_space_release_free_extents(index->space, n_reserved); - } - - *big_rec = big_rec_vec; - - return(DB_SUCCESS); -} - -/*==================== B-TREE UPDATE =========================*/ - -/*************************************************************//** -For an update, checks the locks and does the undo logging. -@return DB_SUCCESS, DB_WAIT_LOCK, or error number */ -UNIV_INLINE -ulint -btr_cur_upd_lock_and_undo( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor on record to update */ - const upd_t* update, /*!< in: update vector */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr, /*!< in/out: mini-transaction */ - roll_ptr_t* roll_ptr)/*!< out: roll pointer */ -{ - dict_index_t* index; - rec_t* rec; - ulint err; - - ut_ad(cursor && update && thr && roll_ptr); - - rec = btr_cur_get_rec(cursor); - index = cursor->index; - - if (!dict_index_is_clust(index)) { - /* We do undo logging only when we update a clustered index - record */ - return(lock_sec_rec_modify_check_and_lock( - flags, btr_cur_get_block(cursor), rec, - index, thr, mtr)); - } - - /* Check if we have to wait for a lock: enqueue an explicit lock - request if yes */ - - err = DB_SUCCESS; - - if (!(flags & BTR_NO_LOCKING_FLAG)) { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - err = lock_clust_rec_modify_check_and_lock( - flags, btr_cur_get_block(cursor), rec, index, - rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap), thr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - if (err != DB_SUCCESS) { - - return(err); - } - } - - /* Append the info about the update in the undo log */ - - err = trx_undo_report_row_operation(flags, TRX_UNDO_MODIFY_OP, thr, - index, NULL, update, - cmpl_info, rec, roll_ptr); - return(err); -} - -/***********************************************************//** -Writes a redo log record of updating a record in-place. */ -UNIV_INLINE -void -btr_cur_update_in_place_log( -/*========================*/ - ulint flags, /*!< in: flags */ - rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: index where cursor positioned */ - const upd_t* update, /*!< in: update vector */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr, /*!< in: roll ptr */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - page_t* page = page_align(rec); - ut_ad(flags < 256); - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - - log_ptr = mlog_open_and_write_index(mtr, rec, index, page_is_comp(page) - ? MLOG_COMP_REC_UPDATE_IN_PLACE - : MLOG_REC_UPDATE_IN_PLACE, - 1 + DATA_ROLL_PTR_LEN + 14 + 2 - + MLOG_BUF_MARGIN); - - if (!log_ptr) { - /* Logging in mtr is switched off during crash recovery */ - return; - } - - /* The code below assumes index is a clustered index: change index to - the clustered index if we are updating a secondary index record (or we - could as well skip writing the sys col values to the log in this case - because they are not needed for a secondary index record update) */ - - index = dict_table_get_first_index(index->table); - - mach_write_to_1(log_ptr, flags); - log_ptr++; - - log_ptr = row_upd_write_sys_vals_to_log(index, trx, roll_ptr, log_ptr, - mtr); - mach_write_to_2(log_ptr, page_offset(rec)); - log_ptr += 2; - - row_upd_index_write_log(update, log_ptr, mtr); -} -#endif /* UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a redo log record of updating a record in-place. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_update_in_place( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - dict_index_t* index) /*!< in: index corresponding to page */ -{ - ulint flags; - rec_t* rec; - upd_t* update; - ulint pos; - trx_id_t trx_id; - roll_ptr_t roll_ptr; - ulint rec_offset; - mem_heap_t* heap; - ulint* offsets; - - if (end_ptr < ptr + 1) { - - return(NULL); - } - - flags = mach_read_from_1(ptr); - ptr++; - - ptr = row_upd_parse_sys_vals(ptr, end_ptr, &pos, &trx_id, &roll_ptr); - - if (ptr == NULL) { - - return(NULL); - } - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - rec_offset = mach_read_from_2(ptr); - ptr += 2; - - ut_a(rec_offset <= UNIV_PAGE_SIZE); - - heap = mem_heap_create(256); - - ptr = row_upd_index_parse(ptr, end_ptr, heap, &update); - - if (!ptr || !page) { - - goto func_exit; - } - - ut_a((ibool)!!page_is_comp(page) == dict_table_is_comp(index->table)); - rec = page + rec_offset; - - /* We do not need to reserve btr_search_latch, as the page is only - being recovered, and there cannot be a hash index to it. */ - - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - row_upd_rec_sys_fields_in_recovery(rec, page_zip, offsets, - pos, trx_id, roll_ptr); - } - - row_upd_rec_in_place(rec, index, offsets, update, page_zip); - -func_exit: - mem_heap_free(heap); - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -See if there is enough place in the page modification log to log -an update-in-place. -@return TRUE if enough place */ -static -ibool -btr_cur_update_alloc_zip( -/*=====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - buf_block_t* block, /*!< in/out: buffer page */ - dict_index_t* index, /*!< in: the index corresponding to the block */ - ulint length, /*!< in: size needed */ - ibool create, /*!< in: TRUE=delete-and-insert, - FALSE=update-in-place */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - ut_a(page_zip == buf_block_get_page_zip(block)); - ut_ad(page_zip); - ut_ad(!dict_index_is_ibuf(index)); - - if (page_zip_available(page_zip, dict_index_is_clust(index), - length, create)) { - return(TRUE); - } - - if (!page_zip->m_nonempty) { - /* The page has been freshly compressed, so - recompressing it will not help. */ - return(FALSE); - } - - if (!page_zip_compress(page_zip, buf_block_get_frame(block), - index, mtr)) { - /* Unable to compress the page */ - return(FALSE); - } - - /* After recompressing a page, we must make sure that the free - bits in the insert buffer bitmap will not exceed the free - space on the page. Because this function will not attempt - recompression unless page_zip_available() fails above, it is - safe to reset the free bits if page_zip_available() fails - again, below. The free bits can safely be reset in a separate - mini-transaction. If page_zip_available() succeeds below, we - can be sure that the page_zip_compress() above did not reduce - the free space available on the page. */ - - if (!page_zip_available(page_zip, dict_index_is_clust(index), - length, create)) { - /* Out of space: reset the free bits. */ - if (!dict_index_is_clust(index) - && page_is_leaf(buf_block_get_frame(block))) { - ibuf_reset_free_bits(block); - } - return(FALSE); - } - - return(TRUE); -} - -/*************************************************************//** -Updates a record when the update causes no size changes in its fields. -We assume here that the ordering fields of the record do not change. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -btr_cur_update_in_place( -/*====================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update; - cursor stays valid and positioned on the - same record */ - const upd_t* update, /*!< in: update vector */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; must be committed before - latching any further pages */ -{ - dict_index_t* index; - buf_block_t* block; - page_zip_des_t* page_zip; - ulint err; - rec_t* rec; - roll_ptr_t roll_ptr = ut_dulint_zero; - trx_t* trx; - ulint was_delete_marked; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - rec = btr_cur_get_rec(cursor); - index = cursor->index; - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - /* The insert buffer tree should never be updated in place. */ - ut_ad(!dict_index_is_ibuf(index)); - - trx = thr_get_trx(thr); - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); -#ifdef UNIV_DEBUG - if (btr_cur_print_record_ops && thr) { - btr_cur_trx_report(trx, index, "update "); - rec_print_new(stderr, rec, offsets); - } -#endif /* UNIV_DEBUG */ - - block = btr_cur_get_block(cursor); - page_zip = buf_block_get_page_zip(block); - - /* Check that enough space is available on the compressed page. */ - if (UNIV_LIKELY_NULL(page_zip) - && !btr_cur_update_alloc_zip(page_zip, block, index, - rec_offs_size(offsets), FALSE, mtr)) { - return(DB_ZIP_OVERFLOW); - } - - /* Do lock checking and undo logging */ - err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, - thr, mtr, &roll_ptr); - if (UNIV_UNLIKELY(err != DB_SUCCESS)) { - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); - } - - if (block->is_hashed) { - /* The function row_upd_changes_ord_field_binary works only - if the update vector was built for a clustered index, we must - NOT call it if index is secondary */ - - if (!dict_index_is_clust(index) - || row_upd_changes_ord_field_binary(NULL, index, update)) { - - /* Remove possible hash index pointer to this record */ - btr_search_update_hash_on_delete(cursor); - } - - rw_lock_x_lock(&btr_search_latch); - } - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - row_upd_rec_sys_fields(rec, NULL, - index, offsets, trx, roll_ptr); - } - - was_delete_marked = rec_get_deleted_flag( - rec, page_is_comp(buf_block_get_frame(block))); - - row_upd_rec_in_place(rec, index, offsets, update, page_zip); - - if (block->is_hashed) { - rw_lock_x_unlock(&btr_search_latch); - } - - if (page_zip && !dict_index_is_clust(index) - && page_is_leaf(buf_block_get_frame(block))) { - /* Update the free bits in the insert buffer. */ - ibuf_update_free_bits_zip(block, mtr); - } - - btr_cur_update_in_place_log(flags, rec, index, update, - trx, roll_ptr, mtr); - - if (was_delete_marked - && !rec_get_deleted_flag(rec, page_is_comp( - buf_block_get_frame(block)))) { - /* The new updated record owns its possible externally - stored fields */ - - btr_cur_unmark_extern_fields(page_zip, - rec, index, offsets, mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(DB_SUCCESS); -} - -/*************************************************************//** -Tries to update a record on a page in an index tree. It is assumed that mtr -holds an x-latch on the page. The operation does not succeed if there is too -little space on the page or if the update would result in too empty a page, -so that tree compression is recommended. We assume here that the ordering -fields of the record do not change. -@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, -DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if -there is not enough space left on the compressed page */ -UNIV_INTERN -ulint -btr_cur_optimistic_update( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update; - cursor stays valid and positioned on the - same record */ - const upd_t* update, /*!< in: update vector; this must also - contain trx id and roll ptr fields */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; must be committed before - latching any further pages */ -{ - dict_index_t* index; - page_cur_t* page_cursor; - ulint err; - buf_block_t* block; - page_t* page; - page_zip_des_t* page_zip; - rec_t* rec; - rec_t* orig_rec; - ulint max_size; - ulint new_rec_size; - ulint old_rec_size; - dtuple_t* new_entry; - roll_ptr_t roll_ptr; - trx_t* trx; - mem_heap_t* heap; - ulint i; - ulint n_ext; - ulint* offsets; - - block = btr_cur_get_block(cursor); - page = buf_block_get_frame(block); - orig_rec = rec = btr_cur_get_rec(cursor); - index = cursor->index; - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - /* The insert buffer tree should never be updated in place. */ - ut_ad(!dict_index_is_ibuf(index)); - - heap = mem_heap_create(1024); - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); - -#ifdef UNIV_DEBUG - if (btr_cur_print_record_ops && thr) { - btr_cur_trx_report(thr_get_trx(thr), index, "update "); - rec_print_new(stderr, rec, offsets); - } -#endif /* UNIV_DEBUG */ - - if (!row_upd_changes_field_size_or_external(index, offsets, update)) { - - /* The simplest and the most common case: the update does not - change the size of any field and none of the updated fields is - externally stored in rec or update, and there is enough space - on the compressed page to log the update. */ - - mem_heap_free(heap); - return(btr_cur_update_in_place(flags, cursor, update, - cmpl_info, thr, mtr)); - } - - if (rec_offs_any_extern(offsets)) { -any_extern: - /* Externally stored fields are treated in pessimistic - update */ - - mem_heap_free(heap); - return(DB_OVERFLOW); - } - - for (i = 0; i < upd_get_n_fields(update); i++) { - if (dfield_is_ext(&upd_get_nth_field(update, i)->new_val)) { - - goto any_extern; - } - } - - page_cursor = btr_cur_get_page_cur(cursor); - - new_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, - &n_ext, heap); - /* We checked above that there are no externally stored fields. */ - ut_a(!n_ext); - - /* The page containing the clustered index record - corresponding to new_entry is latched in mtr. - Thus the following call is safe. */ - row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, - FALSE, heap); - old_rec_size = rec_offs_size(offsets); - new_rec_size = rec_get_converted_size(index, new_entry, 0); - - page_zip = buf_block_get_page_zip(block); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (UNIV_LIKELY_NULL(page_zip) - && !btr_cur_update_alloc_zip(page_zip, block, index, - new_rec_size, TRUE, mtr)) { - err = DB_ZIP_OVERFLOW; - goto err_exit; - } - - if (UNIV_UNLIKELY(new_rec_size - >= (page_get_free_space_of_empty(page_is_comp(page)) - / 2))) { - - err = DB_OVERFLOW; - goto err_exit; - } - - if (UNIV_UNLIKELY(page_get_data_size(page) - - old_rec_size + new_rec_size - < BTR_CUR_PAGE_COMPRESS_LIMIT)) { - - /* The page would become too empty */ - - err = DB_UNDERFLOW; - goto err_exit; - } - - max_size = old_rec_size - + page_get_max_insert_size_after_reorganize(page, 1); - - if (!(((max_size >= BTR_CUR_PAGE_REORGANIZE_LIMIT) - && (max_size >= new_rec_size)) - || (page_get_n_recs(page) <= 1))) { - - /* There was not enough space, or it did not pay to - reorganize: for simplicity, we decide what to do assuming a - reorganization is needed, though it might not be necessary */ - - err = DB_OVERFLOW; - goto err_exit; - } - - /* Do lock checking and undo logging */ - err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, - thr, mtr, &roll_ptr); - if (err != DB_SUCCESS) { -err_exit: - mem_heap_free(heap); - return(err); - } - - /* Ok, we may do the replacement. Store on the page infimum the - explicit locks on rec, before deleting rec (see the comment in - btr_cur_pessimistic_update). */ - - lock_rec_store_on_page_infimum(block, rec); - - btr_search_update_hash_on_delete(cursor); - - /* The call to row_rec_to_index_entry(ROW_COPY_DATA, ...) above - invokes rec_offs_make_valid() to point to the copied record that - the fields of new_entry point to. We have to undo it here. */ - ut_ad(rec_offs_validate(NULL, index, offsets)); - rec_offs_make_valid(page_cur_get_rec(page_cursor), index, offsets); - - page_cur_delete_rec(page_cursor, index, offsets, mtr); - - page_cur_move_to_prev(page_cursor); - - trx = thr_get_trx(thr); - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - row_upd_index_entry_sys_field(new_entry, index, DATA_ROLL_PTR, - roll_ptr); - row_upd_index_entry_sys_field(new_entry, index, DATA_TRX_ID, - trx->id); - } - - /* There are no externally stored columns in new_entry */ - rec = btr_cur_insert_if_possible(cursor, new_entry, 0/*n_ext*/, mtr); - ut_a(rec); /* <- We calculated above the insert would fit */ - - if (page_zip && !dict_index_is_clust(index) - && page_is_leaf(page)) { - /* Update the free bits in the insert buffer. */ - ibuf_update_free_bits_zip(block, mtr); - } - - /* Restore the old explicit lock state on the record */ - - lock_rec_restore_from_page_infimum(block, rec, block); - - page_cur_move_to_next(page_cursor); - - mem_heap_free(heap); - - return(DB_SUCCESS); -} - -/*************************************************************//** -If, in a split, a new supremum record was created as the predecessor of the -updated record, the supremum record must inherit exactly the locks on the -updated record. In the split it may have inherited locks from the successor -of the updated record, which is not correct. This function restores the -right locks for the new supremum. */ -static -void -btr_cur_pess_upd_restore_supremum( -/*==============================*/ - buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: updated record */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - buf_block_t* prev_block; - ulint space; - ulint zip_size; - ulint prev_page_no; - - page = buf_block_get_frame(block); - - if (page_rec_get_next(page_get_infimum_rec(page)) != rec) { - /* Updated record is not the first user record on its page */ - - return; - } - - space = buf_block_get_space(block); - zip_size = buf_block_get_zip_size(block); - prev_page_no = btr_page_get_prev(page, mtr); - - ut_ad(prev_page_no != FIL_NULL); - prev_block = buf_page_get_with_no_latch(space, zip_size, - prev_page_no, mtr); -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_next(prev_block->frame, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - /* We must already have an x-latch on prev_block! */ - ut_ad(mtr_memo_contains(mtr, prev_block, MTR_MEMO_PAGE_X_FIX)); - - lock_rec_reset_and_inherit_gap_locks(prev_block, block, - PAGE_HEAP_NO_SUPREMUM, - page_rec_get_heap_no(rec)); -} - -/*************************************************************//** -Performs an update of a record on a page of a tree. It is assumed -that mtr holds an x-latch on the tree and on the cursor page. If the -update is made on the leaf level, to avoid deadlocks, mtr must also -own x-latches to brothers of page, if those brothers exist. We assume -here that the ordering fields of the record do not change. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -btr_cur_pessimistic_update( -/*=======================*/ - ulint flags, /*!< in: undo logging, locking, and rollback - flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update */ - mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or NULL */ - const upd_t* update, /*!< in: update vector; this is allowed also - contain trx id and roll ptr fields, but - the values in update vector have no effect */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; must be committed before - latching any further pages */ -{ - big_rec_t* big_rec_vec = NULL; - big_rec_t* dummy_big_rec; - dict_index_t* index; - buf_block_t* block; - page_t* page; - page_zip_des_t* page_zip; - rec_t* rec; - page_cur_t* page_cursor; - dtuple_t* new_entry; - ulint err; - ulint optim_err; - roll_ptr_t roll_ptr; - trx_t* trx; - ibool was_first; - ulint n_extents = 0; - ulint n_reserved; - ulint n_ext; - ulint* offsets = NULL; - - *big_rec = NULL; - - block = btr_cur_get_block(cursor); - page = buf_block_get_frame(block); - page_zip = buf_block_get_page_zip(block); - rec = btr_cur_get_rec(cursor); - index = cursor->index; - - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - /* The insert buffer tree should never be updated in place. */ - ut_ad(!dict_index_is_ibuf(index)); - - optim_err = btr_cur_optimistic_update(flags, cursor, update, - cmpl_info, thr, mtr); - - switch (optim_err) { - case DB_UNDERFLOW: - case DB_OVERFLOW: - case DB_ZIP_OVERFLOW: - break; - default: - return(optim_err); - } - - /* Do lock checking and undo logging */ - err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, - thr, mtr, &roll_ptr); - if (err != DB_SUCCESS) { - - return(err); - } - - if (optim_err == DB_OVERFLOW) { - ulint reserve_flag; - - /* First reserve enough free space for the file segments - of the index tree, so that the update will not fail because - of lack of space */ - - n_extents = cursor->tree_height / 16 + 3; - - if (flags & BTR_NO_UNDO_LOG_FLAG) { - reserve_flag = FSP_CLEANING; - } else { - reserve_flag = FSP_NORMAL; - } - - if (!fsp_reserve_free_extents(&n_reserved, index->space, - n_extents, reserve_flag, mtr)) { - return(DB_OUT_OF_FILE_SPACE); - } - } - - if (!*heap) { - *heap = mem_heap_create(1024); - } - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, heap); - - trx = thr_get_trx(thr); - - new_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, - &n_ext, *heap); - /* The call to row_rec_to_index_entry(ROW_COPY_DATA, ...) above - invokes rec_offs_make_valid() to point to the copied record that - the fields of new_entry point to. We have to undo it here. */ - ut_ad(rec_offs_validate(NULL, index, offsets)); - rec_offs_make_valid(rec, index, offsets); - - /* The page containing the clustered index record - corresponding to new_entry is latched in mtr. If the - clustered index record is delete-marked, then its externally - stored fields cannot have been purged yet, because then the - purge would also have removed the clustered index record - itself. Thus the following call is safe. */ - row_upd_index_replace_new_col_vals_index_pos(new_entry, index, update, - FALSE, *heap); - if (!(flags & BTR_KEEP_SYS_FLAG)) { - row_upd_index_entry_sys_field(new_entry, index, DATA_ROLL_PTR, - roll_ptr); - row_upd_index_entry_sys_field(new_entry, index, DATA_TRX_ID, - trx->id); - } - - if ((flags & BTR_NO_UNDO_LOG_FLAG) && rec_offs_any_extern(offsets)) { - /* We are in a transaction rollback undoing a row - update: we must free possible externally stored fields - which got new values in the update, if they are not - inherited values. They can be inherited if we have - updated the primary key to another value, and then - update it back again. */ - - ut_ad(big_rec_vec == NULL); - - btr_rec_free_updated_extern_fields( - index, rec, page_zip, offsets, update, - trx_is_recv(trx) ? RB_RECOVERY : RB_NORMAL, mtr); - } - - /* We have to set appropriate extern storage bits in the new - record to be inserted: we have to remember which fields were such */ - - ut_ad(!page_is_comp(page) || !rec_get_node_ptr_flag(rec)); - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, heap); - n_ext += btr_push_update_extern_fields(new_entry, update, *heap); - - if (UNIV_LIKELY_NULL(page_zip)) { - ut_ad(page_is_comp(page)); - if (page_zip_rec_needs_ext( - rec_get_converted_size(index, new_entry, n_ext), - TRUE, - dict_index_get_n_fields(index), - page_zip_get_size(page_zip))) { - - goto make_external; - } - } else if (page_zip_rec_needs_ext( - rec_get_converted_size(index, new_entry, n_ext), - page_is_comp(page), 0, 0)) { -make_external: - big_rec_vec = dtuple_convert_big_rec(index, new_entry, &n_ext); - if (UNIV_UNLIKELY(big_rec_vec == NULL)) { - - err = DB_TOO_BIG_RECORD; - goto return_after_reservations; - } - } - - /* Store state of explicit locks on rec on the page infimum record, - before deleting rec. The page infimum acts as a dummy carrier of the - locks, taking care also of lock releases, before we can move the locks - back on the actual record. There is a special case: if we are - inserting on the root page and the insert causes a call of - btr_root_raise_and_insert. Therefore we cannot in the lock system - delete the lock structs set on the root page even if the root - page carries just node pointers. */ - - lock_rec_store_on_page_infimum(block, rec); - - btr_search_update_hash_on_delete(cursor); - -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - page_cursor = btr_cur_get_page_cur(cursor); - - page_cur_delete_rec(page_cursor, index, offsets, mtr); - - page_cur_move_to_prev(page_cursor); - - rec = btr_cur_insert_if_possible(cursor, new_entry, n_ext, mtr); - - if (rec) { - lock_rec_restore_from_page_infimum(btr_cur_get_block(cursor), - rec, block); - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, heap); - - if (!rec_get_deleted_flag(rec, rec_offs_comp(offsets))) { - /* The new inserted record owns its possible externally - stored fields */ - btr_cur_unmark_extern_fields(page_zip, - rec, index, offsets, mtr); - } - - btr_cur_compress_if_useful(cursor, mtr); - - if (page_zip && !dict_index_is_clust(index) - && page_is_leaf(page)) { - /* Update the free bits in the insert buffer. */ - ibuf_update_free_bits_zip(block, mtr); - } - - err = DB_SUCCESS; - goto return_after_reservations; - } else { - ut_a(optim_err != DB_UNDERFLOW); - - /* Out of space: reset the free bits. */ - if (!dict_index_is_clust(index) - && page_is_leaf(page)) { - ibuf_reset_free_bits(block); - } - } - - /* Was the record to be updated positioned as the first user - record on its page? */ - was_first = page_cur_is_before_first(page_cursor); - - /* The first parameter means that no lock checking and undo logging - is made in the insert */ - - err = btr_cur_pessimistic_insert(BTR_NO_UNDO_LOG_FLAG - | BTR_NO_LOCKING_FLAG - | BTR_KEEP_SYS_FLAG, - cursor, new_entry, &rec, - &dummy_big_rec, n_ext, NULL, mtr); - ut_a(rec); - ut_a(err == DB_SUCCESS); - ut_a(dummy_big_rec == NULL); - - if (dict_index_is_sec_or_ibuf(index)) { - /* Update PAGE_MAX_TRX_ID in the index page header. - It was not updated by btr_cur_pessimistic_insert() - because of BTR_NO_LOCKING_FLAG. */ - buf_block_t* rec_block; - - rec_block = btr_cur_get_block(cursor); - - page_update_max_trx_id(rec_block, - buf_block_get_page_zip(rec_block), - trx->id, mtr); - } - - if (!rec_get_deleted_flag(rec, rec_offs_comp(offsets))) { - /* The new inserted record owns its possible externally - stored fields */ - buf_block_t* rec_block = btr_cur_get_block(cursor); - -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); - page = buf_block_get_frame(rec_block); -#endif /* UNIV_ZIP_DEBUG */ - page_zip = buf_block_get_page_zip(rec_block); - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, heap); - btr_cur_unmark_extern_fields(page_zip, - rec, index, offsets, mtr); - } - - lock_rec_restore_from_page_infimum(btr_cur_get_block(cursor), - rec, block); - - /* If necessary, restore also the correct lock state for a new, - preceding supremum record created in a page split. While the old - record was nonexistent, the supremum might have inherited its locks - from a wrong record. */ - - if (!was_first) { - btr_cur_pess_upd_restore_supremum(btr_cur_get_block(cursor), - rec, mtr); - } - -return_after_reservations: -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (n_extents > 0) { - fil_space_release_free_extents(index->space, n_reserved); - } - - *big_rec = big_rec_vec; - - return(err); -} - -/*==================== B-TREE DELETE MARK AND UNMARK ===============*/ - -/****************************************************************//** -Writes the redo log record for delete marking or unmarking of an index -record. */ -UNIV_INLINE -void -btr_cur_del_mark_set_clust_rec_log( -/*===============================*/ - ulint flags, /*!< in: flags */ - rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: index of the record */ - ibool val, /*!< in: value to set */ - trx_t* trx, /*!< in: deleting transaction */ - roll_ptr_t roll_ptr,/*!< in: roll ptr to the undo log record */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - ut_ad(flags < 256); - ut_ad(val <= 1); - - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - - log_ptr = mlog_open_and_write_index(mtr, rec, index, - page_rec_is_comp(rec) - ? MLOG_COMP_REC_CLUST_DELETE_MARK - : MLOG_REC_CLUST_DELETE_MARK, - 1 + 1 + DATA_ROLL_PTR_LEN - + 14 + 2); - - if (!log_ptr) { - /* Logging in mtr is switched off during crash recovery */ - return; - } - - mach_write_to_1(log_ptr, flags); - log_ptr++; - mach_write_to_1(log_ptr, val); - log_ptr++; - - log_ptr = row_upd_write_sys_vals_to_log(index, trx, roll_ptr, log_ptr, - mtr); - mach_write_to_2(log_ptr, page_offset(rec)); - log_ptr += 2; - - mlog_close(mtr, log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/****************************************************************//** -Parses the redo log record for delete marking or unmarking of a clustered -index record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_del_mark_set_clust_rec( -/*=================================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - dict_index_t* index) /*!< in: index corresponding to page */ -{ - ulint flags; - ulint val; - ulint pos; - trx_id_t trx_id; - roll_ptr_t roll_ptr; - ulint offset; - rec_t* rec; - - ut_ad(!page - || !!page_is_comp(page) == dict_table_is_comp(index->table)); - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - flags = mach_read_from_1(ptr); - ptr++; - val = mach_read_from_1(ptr); - ptr++; - - ptr = row_upd_parse_sys_vals(ptr, end_ptr, &pos, &trx_id, &roll_ptr); - - if (ptr == NULL) { - - return(NULL); - } - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - ptr += 2; - - ut_a(offset <= UNIV_PAGE_SIZE); - - if (page) { - rec = page + offset; - - /* We do not need to reserve btr_search_latch, as the page - is only being recovered, and there cannot be a hash index to - it. */ - - btr_rec_set_deleted_flag(rec, page_zip, val); - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - row_upd_rec_sys_fields_in_recovery( - rec, page_zip, - rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap), - pos, trx_id, roll_ptr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - } - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************//** -Marks a clustered index record deleted. Writes an undo log record to -undo log on this delete marking. Writes in the trx id field the id -of the deleting transaction, and in the roll ptr field pointer to the -undo log record created. -@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ -UNIV_INTERN -ulint -btr_cur_del_mark_set_clust_rec( -/*===========================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor */ - ibool val, /*!< in: value to set */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - buf_block_t* block; - roll_ptr_t roll_ptr; - ulint err; - rec_t* rec; - page_zip_des_t* page_zip; - trx_t* trx; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - rec = btr_cur_get_rec(cursor); - index = cursor->index; - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - -#ifdef UNIV_DEBUG - if (btr_cur_print_record_ops && thr) { - btr_cur_trx_report(thr_get_trx(thr), index, "del mark "); - rec_print_new(stderr, rec, offsets); - } -#endif /* UNIV_DEBUG */ - - ut_ad(dict_index_is_clust(index)); - ut_ad(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); - - err = lock_clust_rec_modify_check_and_lock(flags, - btr_cur_get_block(cursor), - rec, index, offsets, thr); - - if (err != DB_SUCCESS) { - - goto func_exit; - } - - err = trx_undo_report_row_operation(flags, TRX_UNDO_MODIFY_OP, thr, - index, NULL, NULL, 0, rec, - &roll_ptr); - if (err != DB_SUCCESS) { - - goto func_exit; - } - - block = btr_cur_get_block(cursor); - - if (block->is_hashed) { - rw_lock_x_lock(&btr_search_latch); - } - - page_zip = buf_block_get_page_zip(block); - - btr_rec_set_deleted_flag(rec, page_zip, val); - - trx = thr_get_trx(thr); - - if (!(flags & BTR_KEEP_SYS_FLAG)) { - row_upd_rec_sys_fields(rec, page_zip, - index, offsets, trx, roll_ptr); - } - - if (block->is_hashed) { - rw_lock_x_unlock(&btr_search_latch); - } - - btr_cur_del_mark_set_clust_rec_log(flags, rec, index, val, trx, - roll_ptr, mtr); - -func_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/****************************************************************//** -Writes the redo log record for a delete mark setting of a secondary -index record. */ -UNIV_INLINE -void -btr_cur_del_mark_set_sec_rec_log( -/*=============================*/ - rec_t* rec, /*!< in: record */ - ibool val, /*!< in: value to set */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - ut_ad(val <= 1); - - log_ptr = mlog_open(mtr, 11 + 1 + 2); - - if (!log_ptr) { - /* Logging in mtr is switched off during crash recovery: - in that case mlog_open returns NULL */ - return; - } - - log_ptr = mlog_write_initial_log_record_fast( - rec, MLOG_REC_SEC_DELETE_MARK, log_ptr, mtr); - mach_write_to_1(log_ptr, val); - log_ptr++; - - mach_write_to_2(log_ptr, page_offset(rec)); - log_ptr += 2; - - mlog_close(mtr, log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/****************************************************************//** -Parses the redo log record for delete marking or unmarking of a secondary -index record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_del_mark_set_sec_rec( -/*===============================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip)/*!< in/out: compressed page, or NULL */ -{ - ulint val; - ulint offset; - rec_t* rec; - - if (end_ptr < ptr + 3) { - - return(NULL); - } - - val = mach_read_from_1(ptr); - ptr++; - - offset = mach_read_from_2(ptr); - ptr += 2; - - ut_a(offset <= UNIV_PAGE_SIZE); - - if (page) { - rec = page + offset; - - /* We do not need to reserve btr_search_latch, as the page - is only being recovered, and there cannot be a hash index to - it. */ - - btr_rec_set_deleted_flag(rec, page_zip, val); - } - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************//** -Sets a secondary index record delete mark to TRUE or FALSE. -@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ -UNIV_INTERN -ulint -btr_cur_del_mark_set_sec_rec( -/*=========================*/ - ulint flags, /*!< in: locking flag */ - btr_cur_t* cursor, /*!< in: cursor */ - ibool val, /*!< in: value to set */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - rec_t* rec; - ulint err; - - block = btr_cur_get_block(cursor); - rec = btr_cur_get_rec(cursor); - -#ifdef UNIV_DEBUG - if (btr_cur_print_record_ops && thr) { - btr_cur_trx_report(thr_get_trx(thr), cursor->index, - "del mark "); - rec_print(stderr, rec, cursor->index); - } -#endif /* UNIV_DEBUG */ - - err = lock_sec_rec_modify_check_and_lock(flags, - btr_cur_get_block(cursor), - rec, cursor->index, thr, mtr); - if (err != DB_SUCCESS) { - - return(err); - } - - ut_ad(!!page_rec_is_comp(rec) - == dict_table_is_comp(cursor->index->table)); - - if (block->is_hashed) { - rw_lock_x_lock(&btr_search_latch); - } - - btr_rec_set_deleted_flag(rec, buf_block_get_page_zip(block), val); - - if (block->is_hashed) { - rw_lock_x_unlock(&btr_search_latch); - } - - btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); - - return(DB_SUCCESS); -} - -/***********************************************************//** -Sets a secondary index record's delete mark to the given value. This -function is only used by the insert buffer merge mechanism. */ -UNIV_INTERN -void -btr_cur_set_deleted_flag_for_ibuf( -/*==============================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip, /*!< in/out: compressed page - corresponding to rec, or NULL - when the tablespace is - uncompressed */ - ibool val, /*!< in: value to set */ - mtr_t* mtr) /*!< in: mtr */ -{ - /* We do not need to reserve btr_search_latch, as the page has just - been read to the buffer pool and there cannot be a hash index to it. */ - - btr_rec_set_deleted_flag(rec, page_zip, val); - - btr_cur_del_mark_set_sec_rec_log(rec, val, mtr); -} - -/*==================== B-TREE RECORD REMOVE =========================*/ - -/*************************************************************//** -Tries to compress a page of the tree if it seems useful. It is assumed -that mtr holds an x-latch on the tree and on the cursor page. To avoid -deadlocks, mtr must also own x-latches to brothers of page, if those -brothers exist. NOTE: it is assumed that the caller has reserved enough -free extents so that the compression will always succeed if done! -@return TRUE if compression occurred */ -UNIV_INTERN -ibool -btr_cur_compress_if_useful( -/*=======================*/ - btr_cur_t* cursor, /*!< in: cursor on the page to compress; - cursor does not stay valid if compression - occurs */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mtr_memo_contains(mtr, - dict_index_get_lock(btr_cur_get_index(cursor)), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), - MTR_MEMO_PAGE_X_FIX)); - - return(btr_cur_compress_recommendation(cursor, mtr) - && btr_compress(cursor, mtr)); -} - -/*******************************************************//** -Removes the record on which the tree cursor is positioned on a leaf page. -It is assumed that the mtr has an x-latch on the page where the cursor is -positioned, but no latch on the whole tree. -@return TRUE if success, i.e., the page did not become too empty */ -UNIV_INTERN -ibool -btr_cur_optimistic_delete( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor on leaf page, on the record to - delete; cursor stays valid: if deletion - succeeds, on function exit it points to the - successor of the deleted record */ - mtr_t* mtr) /*!< in: mtr; if this function returns - TRUE on a leaf page of a secondary - index, the mtr must be committed - before latching any further pages */ -{ - buf_block_t* block; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - ibool no_compress_needed; - rec_offs_init(offsets_); - - ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), - MTR_MEMO_PAGE_X_FIX)); - /* This is intended only for leaf page deletions */ - - block = btr_cur_get_block(cursor); - - ut_ad(page_is_leaf(buf_block_get_frame(block))); - - rec = btr_cur_get_rec(cursor); - offsets = rec_get_offsets(rec, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - - no_compress_needed = !rec_offs_any_extern(offsets) - && btr_cur_can_delete_without_compress( - cursor, rec_offs_size(offsets), mtr); - - if (no_compress_needed) { - - page_t* page = buf_block_get_frame(block); - page_zip_des_t* page_zip= buf_block_get_page_zip(block); - ulint max_ins = 0; - - lock_update_delete(block, rec); - - btr_search_update_hash_on_delete(cursor); - - if (!page_zip) { - max_ins = page_get_max_insert_size_after_reorganize( - page, 1); - } -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - page_cur_delete_rec(btr_cur_get_page_cur(cursor), - cursor->index, offsets, mtr); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (dict_index_is_clust(cursor->index) - || dict_index_is_ibuf(cursor->index) - || !page_is_leaf(page)) { - /* The insert buffer does not handle - inserts to clustered indexes, to - non-leaf pages of secondary index B-trees, - or to the insert buffer. */ - } else if (page_zip) { - ibuf_update_free_bits_zip(block, mtr); - } else { - ibuf_update_free_bits_low(block, max_ins, mtr); - } - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - return(no_compress_needed); -} - -/*************************************************************//** -Removes the record on which the tree cursor is positioned. Tries -to compress the page if its fillfactor drops below a threshold -or if it is the only page on the level. It is assumed that mtr holds -an x-latch on the tree and on the cursor page. To avoid deadlocks, -mtr must also own x-latches to brothers of page, if those brothers -exist. -@return TRUE if compression occurred */ -UNIV_INTERN -ibool -btr_cur_pessimistic_delete( -/*=======================*/ - ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; - the latter may occur because we may have - to update node pointers on upper levels, - and in the case of variable length keys - these may actually grow in size */ - ibool has_reserved_extents, /*!< in: TRUE if the - caller has already reserved enough free - extents so that he knows that the operation - will succeed */ - btr_cur_t* cursor, /*!< in: cursor on the record to delete; - if compression does not occur, the cursor - stays valid: it points to successor of - deleted record on function exit */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - page_t* page; - page_zip_des_t* page_zip; - dict_index_t* index; - rec_t* rec; - dtuple_t* node_ptr; - ulint n_extents = 0; - ulint n_reserved; - ibool success; - ibool ret = FALSE; - ulint level; - mem_heap_t* heap; - ulint* offsets; - - block = btr_cur_get_block(cursor); - page = buf_block_get_frame(block); - index = btr_cur_get_index(cursor); - - ut_ad(mtr_memo_contains(mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - if (!has_reserved_extents) { - /* First reserve enough free space for the file segments - of the index tree, so that the node pointer updates will - not fail because of lack of space */ - - n_extents = cursor->tree_height / 32 + 1; - - success = fsp_reserve_free_extents(&n_reserved, - index->space, - n_extents, - FSP_CLEANING, mtr); - if (!success) { - *err = DB_OUT_OF_FILE_SPACE; - - return(FALSE); - } - } - - heap = mem_heap_create(1024); - rec = btr_cur_get_rec(cursor); - page_zip = buf_block_get_page_zip(block); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); - - if (rec_offs_any_extern(offsets)) { - btr_rec_free_externally_stored_fields(index, - rec, offsets, page_zip, - rb_ctx, mtr); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - } - - if (UNIV_UNLIKELY(page_get_n_recs(page) < 2) - && UNIV_UNLIKELY(dict_index_get_page(index) - != buf_block_get_page_no(block))) { - - /* If there is only one record, drop the whole page in - btr_discard_page, if this is not the root page */ - - btr_discard_page(cursor, mtr); - - *err = DB_SUCCESS; - ret = TRUE; - - goto return_after_reservations; - } - - lock_update_delete(block, rec); - level = btr_page_get_level(page, mtr); - - if (level > 0 - && UNIV_UNLIKELY(rec == page_rec_get_next( - page_get_infimum_rec(page)))) { - - rec_t* next_rec = page_rec_get_next(rec); - - if (btr_page_get_prev(page, mtr) == FIL_NULL) { - - /* If we delete the leftmost node pointer on a - non-leaf level, we must mark the new leftmost node - pointer as the predefined minimum record */ - - /* This will make page_zip_validate() fail until - page_cur_delete_rec() completes. This is harmless, - because everything will take place within a single - mini-transaction and because writing to the redo log - is an atomic operation (performed by mtr_commit()). */ - btr_set_min_rec_mark(next_rec, mtr); - } else { - /* Otherwise, if we delete the leftmost node pointer - on a page, we have to change the father node pointer - so that it is equal to the new leftmost node pointer - on the page */ - - btr_node_ptr_delete(index, block, mtr); - - node_ptr = dict_index_build_node_ptr( - index, next_rec, buf_block_get_page_no(block), - heap, level); - - btr_insert_on_non_leaf_level(index, - level + 1, node_ptr, mtr); - } - } - - btr_search_update_hash_on_delete(cursor); - - page_cur_delete_rec(btr_cur_get_page_cur(cursor), index, offsets, mtr); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - ut_ad(btr_check_node_ptr(index, block, mtr)); - - *err = DB_SUCCESS; - -return_after_reservations: - mem_heap_free(heap); - - if (ret == FALSE) { - ret = btr_cur_compress_if_useful(cursor, mtr); - } - - if (n_extents > 0) { - fil_space_release_free_extents(index->space, n_reserved); - } - - return(ret); -} - -/*******************************************************************//** -Adds path information to the cursor for the current page, for which -the binary search has been performed. */ -static -void -btr_cur_add_path_info( -/*==================*/ - btr_cur_t* cursor, /*!< in: cursor positioned on a page */ - ulint height, /*!< in: height of the page in tree; - 0 means leaf node */ - ulint root_height) /*!< in: root node height in tree */ -{ - btr_path_t* slot; - rec_t* rec; - - ut_a(cursor->path_arr); - - if (root_height >= BTR_PATH_ARRAY_N_SLOTS - 1) { - /* Do nothing; return empty path */ - - slot = cursor->path_arr; - slot->nth_rec = ULINT_UNDEFINED; - - return; - } - - if (height == 0) { - /* Mark end of slots for path */ - slot = cursor->path_arr + root_height + 1; - slot->nth_rec = ULINT_UNDEFINED; - } - - rec = btr_cur_get_rec(cursor); - - slot = cursor->path_arr + (root_height - height); - - slot->nth_rec = page_rec_get_n_recs_before(rec); - slot->n_recs = page_get_n_recs(page_align(rec)); -} - -/*******************************************************************//** -Estimates the number of rows in a given index range. -@return estimated number of rows */ -UNIV_INTERN -ib_int64_t -btr_estimate_n_rows_in_range( -/*=========================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ - ulint mode1, /*!< in: search mode for range start */ - const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ - ulint mode2) /*!< in: search mode for range end */ -{ - btr_path_t path1[BTR_PATH_ARRAY_N_SLOTS]; - btr_path_t path2[BTR_PATH_ARRAY_N_SLOTS]; - btr_cur_t cursor; - btr_path_t* slot1; - btr_path_t* slot2; - ibool diverged; - ibool diverged_lot; - ulint divergence_level; - ib_int64_t n_rows; - ulint i; - mtr_t mtr; - - mtr_start(&mtr); - - cursor.path_arr = path1; - - if (dtuple_get_n_fields(tuple1) > 0) { - - btr_cur_search_to_nth_level(index, 0, tuple1, mode1, - BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, 0, - __FILE__, __LINE__, &mtr); - } else { - btr_cur_open_at_index_side(TRUE, index, - BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, &mtr); - } - - mtr_commit(&mtr); - - mtr_start(&mtr); - - cursor.path_arr = path2; - - if (dtuple_get_n_fields(tuple2) > 0) { - - btr_cur_search_to_nth_level(index, 0, tuple2, mode2, - BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, 0, - __FILE__, __LINE__, &mtr); - } else { - btr_cur_open_at_index_side(FALSE, index, - BTR_SEARCH_LEAF | BTR_ESTIMATE, - &cursor, &mtr); - } - - mtr_commit(&mtr); - - /* We have the path information for the range in path1 and path2 */ - - n_rows = 1; - diverged = FALSE; /* This becomes true when the path is not - the same any more */ - diverged_lot = FALSE; /* This becomes true when the paths are - not the same or adjacent any more */ - divergence_level = 1000000; /* This is the level where paths diverged - a lot */ - for (i = 0; ; i++) { - ut_ad(i < BTR_PATH_ARRAY_N_SLOTS); - - slot1 = path1 + i; - slot2 = path2 + i; - - if (slot1->nth_rec == ULINT_UNDEFINED - || slot2->nth_rec == ULINT_UNDEFINED) { - - if (i > divergence_level + 1) { - /* In trees whose height is > 1 our algorithm - tends to underestimate: multiply the estimate - by 2: */ - - n_rows = n_rows * 2; - } - - /* Do not estimate the number of rows in the range - to over 1 / 2 of the estimated rows in the whole - table */ - - if (n_rows > index->table->stat_n_rows / 2) { - n_rows = index->table->stat_n_rows / 2; - - /* If there are just 0 or 1 rows in the table, - then we estimate all rows are in the range */ - - if (n_rows == 0) { - n_rows = index->table->stat_n_rows; - } - } - - return(n_rows); - } - - if (!diverged && slot1->nth_rec != slot2->nth_rec) { - - diverged = TRUE; - - if (slot1->nth_rec < slot2->nth_rec) { - n_rows = slot2->nth_rec - slot1->nth_rec; - - if (n_rows > 1) { - diverged_lot = TRUE; - divergence_level = i; - } - } else { - /* Maybe the tree has changed between - searches */ - - return(10); - } - - } else if (diverged && !diverged_lot) { - - if (slot1->nth_rec < slot1->n_recs - || slot2->nth_rec > 1) { - - diverged_lot = TRUE; - divergence_level = i; - - n_rows = 0; - - if (slot1->nth_rec < slot1->n_recs) { - n_rows += slot1->n_recs - - slot1->nth_rec; - } - - if (slot2->nth_rec > 1) { - n_rows += slot2->nth_rec - 1; - } - } - } else if (diverged_lot) { - - n_rows = (n_rows * (slot1->n_recs + slot2->n_recs)) - / 2; - } - } -} - -/*******************************************************************//** -Estimates the number of different key values in a given index, for -each n-column prefix of the index where n <= dict_index_get_n_unique(index). -The estimates are stored in the array index->stat_n_diff_key_vals. */ -UNIV_INTERN -void -btr_estimate_number_of_different_key_vals( -/*======================================*/ - dict_index_t* index) /*!< in: index */ -{ - btr_cur_t cursor; - page_t* page; - rec_t* rec; - ulint n_cols; - ulint matched_fields; - ulint matched_bytes; - ib_int64_t* n_diff; - ullint n_sample_pages; /* number of pages to sample */ - ulint not_empty_flag = 0; - ulint total_external_size = 0; - ulint i; - ulint j; - ullint add_on; - mtr_t mtr; - mem_heap_t* heap = NULL; - ulint offsets_rec_[REC_OFFS_NORMAL_SIZE]; - ulint offsets_next_rec_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets_rec = offsets_rec_; - ulint* offsets_next_rec= offsets_next_rec_; - rec_offs_init(offsets_rec_); - rec_offs_init(offsets_next_rec_); - - n_cols = dict_index_get_n_unique(index); - - n_diff = mem_zalloc((n_cols + 1) * sizeof(ib_int64_t)); - - /* It makes no sense to test more pages than are contained - in the index, thus we lower the number if it is too high */ - if (srv_stats_sample_pages > index->stat_index_size) { - if (index->stat_index_size > 0) { - n_sample_pages = index->stat_index_size; - } else { - n_sample_pages = 1; - } - } else { - n_sample_pages = srv_stats_sample_pages; - } - - /* We sample some pages in the index to get an estimate */ - - for (i = 0; i < n_sample_pages; i++) { - rec_t* supremum; - mtr_start(&mtr); - - btr_cur_open_at_rnd_pos(index, BTR_SEARCH_LEAF, &cursor, &mtr); - - /* Count the number of different key values for each prefix of - the key on this index page. If the prefix does not determine - the index record uniquely in the B-tree, then we subtract one - because otherwise our algorithm would give a wrong estimate - for an index where there is just one key value. */ - - page = btr_cur_get_page(&cursor); - - supremum = page_get_supremum_rec(page); - rec = page_rec_get_next(page_get_infimum_rec(page)); - - if (rec != supremum) { - not_empty_flag = 1; - offsets_rec = rec_get_offsets(rec, index, offsets_rec, - ULINT_UNDEFINED, &heap); - } - - while (rec != supremum) { - rec_t* next_rec = page_rec_get_next(rec); - if (next_rec == supremum) { - break; - } - - matched_fields = 0; - matched_bytes = 0; - offsets_next_rec = rec_get_offsets(next_rec, index, - offsets_next_rec, - n_cols, &heap); - - cmp_rec_rec_with_match(rec, next_rec, - offsets_rec, offsets_next_rec, - index, &matched_fields, - &matched_bytes); - - for (j = matched_fields + 1; j <= n_cols; j++) { - /* We add one if this index record has - a different prefix from the previous */ - - n_diff[j]++; - } - - total_external_size - += btr_rec_get_externally_stored_len( - rec, offsets_rec); - - rec = next_rec; - /* Initialize offsets_rec for the next round - and assign the old offsets_rec buffer to - offsets_next_rec. */ - { - ulint* offsets_tmp = offsets_rec; - offsets_rec = offsets_next_rec; - offsets_next_rec = offsets_tmp; - } - } - - - if (n_cols == dict_index_get_n_unique_in_tree(index)) { - - /* If there is more than one leaf page in the tree, - we add one because we know that the first record - on the page certainly had a different prefix than the - last record on the previous index page in the - alphabetical order. Before this fix, if there was - just one big record on each clustered index page, the - algorithm grossly underestimated the number of rows - in the table. */ - - if (btr_page_get_prev(page, &mtr) != FIL_NULL - || btr_page_get_next(page, &mtr) != FIL_NULL) { - - n_diff[n_cols]++; - } - } - - offsets_rec = rec_get_offsets(rec, index, offsets_rec, - ULINT_UNDEFINED, &heap); - total_external_size += btr_rec_get_externally_stored_len( - rec, offsets_rec); - mtr_commit(&mtr); - } - - /* If we saw k borders between different key values on - n_sample_pages leaf pages, we can estimate how many - there will be in index->stat_n_leaf_pages */ - - /* We must take into account that our sample actually represents - also the pages used for external storage of fields (those pages are - included in index->stat_n_leaf_pages) */ - - for (j = 0; j <= n_cols; j++) { - index->stat_n_diff_key_vals[j] - = ((n_diff[j] - * (ib_int64_t)index->stat_n_leaf_pages - + n_sample_pages - 1 - + total_external_size - + not_empty_flag) - / (n_sample_pages - + total_external_size)); - - /* If the tree is small, smaller than - 10 * n_sample_pages + total_external_size, then - the above estimate is ok. For bigger trees it is common that we - do not see any borders between key values in the few pages - we pick. But still there may be n_sample_pages - different key values, or even more. Let us try to approximate - that: */ - - add_on = index->stat_n_leaf_pages - / (10 * (n_sample_pages - + total_external_size)); - - if (add_on > n_sample_pages) { - add_on = n_sample_pages; - } - - index->stat_n_diff_key_vals[j] += add_on; - } - - mem_free(n_diff); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/*================== EXTERNAL STORAGE OF BIG FIELDS ===================*/ - -/***********************************************************//** -Gets the externally stored size of a record, in units of a database page. -@return externally stored part, in units of a database page */ -static -ulint -btr_rec_get_externally_stored_len( -/*==============================*/ - rec_t* rec, /*!< in: record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint n_fields; - byte* data; - ulint local_len; - ulint extern_len; - ulint total_extern_len = 0; - ulint i; - - ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); - n_fields = rec_offs_n_fields(offsets); - - for (i = 0; i < n_fields; i++) { - if (rec_offs_nth_extern(offsets, i)) { - - data = rec_get_nth_field(rec, offsets, i, &local_len); - - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - - extern_len = mach_read_from_4(data + local_len - + BTR_EXTERN_LEN + 4); - - total_extern_len += ut_calc_align(extern_len, - UNIV_PAGE_SIZE); - } - } - - return(total_extern_len / UNIV_PAGE_SIZE); -} - -/*******************************************************************//** -Sets the ownership bit of an externally stored field in a record. */ -static -void -btr_cur_set_ownership_of_extern_field( -/*==================================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - rec_t* rec, /*!< in/out: clustered index record */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint i, /*!< in: field number */ - ibool val, /*!< in: value to set */ - mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ -{ - byte* data; - ulint local_len; - ulint byte_val; - - data = rec_get_nth_field(rec, offsets, i, &local_len); - - ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - - byte_val = mach_read_from_1(data + local_len + BTR_EXTERN_LEN); - - if (val) { - byte_val = byte_val & (~BTR_EXTERN_OWNER_FLAG); - } else { - byte_val = byte_val | BTR_EXTERN_OWNER_FLAG; - } - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_1(data + local_len + BTR_EXTERN_LEN, byte_val); - page_zip_write_blob_ptr(page_zip, rec, index, offsets, i, mtr); - } else if (UNIV_LIKELY(mtr != NULL)) { - - mlog_write_ulint(data + local_len + BTR_EXTERN_LEN, byte_val, - MLOG_1BYTE, mtr); - } else { - mach_write_to_1(data + local_len + BTR_EXTERN_LEN, byte_val); - } -} - -/*******************************************************************//** -Marks not updated extern fields as not-owned by this record. The ownership -is transferred to the updated record which is inserted elsewhere in the -index tree. In purge only the owner of externally stored field is allowed -to free the field. */ -UNIV_INTERN -void -btr_cur_mark_extern_inherited_fields( -/*=================================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - rec_t* rec, /*!< in/out: record in a clustered index */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - const upd_t* update, /*!< in: update vector */ - mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ -{ - ulint n; - ulint j; - ulint i; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); - - if (!rec_offs_any_extern(offsets)) { - - return; - } - - n = rec_offs_n_fields(offsets); - - for (i = 0; i < n; i++) { - if (rec_offs_nth_extern(offsets, i)) { - - /* Check it is not in updated fields */ - - if (update) { - for (j = 0; j < upd_get_n_fields(update); - j++) { - if (upd_get_nth_field(update, j) - ->field_no == i) { - - goto updated; - } - } - } - - btr_cur_set_ownership_of_extern_field( - page_zip, rec, index, offsets, i, FALSE, mtr); -updated: - ; - } - } -} - -/*******************************************************************//** -The complement of the previous function: in an update entry may inherit -some externally stored fields from a record. We must mark them as inherited -in entry, so that they are not freed in a rollback. */ -UNIV_INTERN -void -btr_cur_mark_dtuple_inherited_extern( -/*=================================*/ - dtuple_t* entry, /*!< in/out: updated entry to be - inserted to clustered index */ - const upd_t* update) /*!< in: update vector */ -{ - ulint i; - - for (i = 0; i < dtuple_get_n_fields(entry); i++) { - - dfield_t* dfield = dtuple_get_nth_field(entry, i); - byte* data; - ulint len; - ulint j; - - if (!dfield_is_ext(dfield)) { - continue; - } - - /* Check if it is in updated fields */ - - for (j = 0; j < upd_get_n_fields(update); j++) { - if (upd_get_nth_field(update, j)->field_no == i) { - - goto is_updated; - } - } - - data = dfield_get_data(dfield); - len = dfield_get_len(dfield); - data[len - BTR_EXTERN_FIELD_REF_SIZE + BTR_EXTERN_LEN] - |= BTR_EXTERN_INHERITED_FLAG; - -is_updated: - ; - } -} - -/*******************************************************************//** -Marks all extern fields in a record as owned by the record. This function -should be called if the delete mark of a record is removed: a not delete -marked record always owns all its extern fields. */ -static -void -btr_cur_unmark_extern_fields( -/*=========================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - rec_t* rec, /*!< in/out: record in a clustered index */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - mtr_t* mtr) /*!< in: mtr, or NULL if not logged */ -{ - ulint n; - ulint i; - - ut_ad(!rec_offs_comp(offsets) || !rec_get_node_ptr_flag(rec)); - n = rec_offs_n_fields(offsets); - - if (!rec_offs_any_extern(offsets)) { - - return; - } - - for (i = 0; i < n; i++) { - if (rec_offs_nth_extern(offsets, i)) { - - btr_cur_set_ownership_of_extern_field( - page_zip, rec, index, offsets, i, TRUE, mtr); - } - } -} - -/*******************************************************************//** -Marks all extern fields in a dtuple as owned by the record. */ -UNIV_INTERN -void -btr_cur_unmark_dtuple_extern_fields( -/*================================*/ - dtuple_t* entry) /*!< in/out: clustered index entry */ -{ - ulint i; - - for (i = 0; i < dtuple_get_n_fields(entry); i++) { - dfield_t* dfield = dtuple_get_nth_field(entry, i); - - if (dfield_is_ext(dfield)) { - byte* data = dfield_get_data(dfield); - ulint len = dfield_get_len(dfield); - - data[len - BTR_EXTERN_FIELD_REF_SIZE + BTR_EXTERN_LEN] - &= ~BTR_EXTERN_OWNER_FLAG; - } - } -} - -/*******************************************************************//** -Flags the data tuple fields that are marked as extern storage in the -update vector. We use this function to remember which fields we must -mark as extern storage in a record inserted for an update. -@return number of flagged external columns */ -UNIV_INTERN -ulint -btr_push_update_extern_fields( -/*==========================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const upd_t* update, /*!< in: update vector */ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ulint n_pushed = 0; - ulint n; - const upd_field_t* uf; - - ut_ad(tuple); - ut_ad(update); - - uf = update->fields; - n = upd_get_n_fields(update); - - for (; n--; uf++) { - if (dfield_is_ext(&uf->new_val)) { - dfield_t* field - = dtuple_get_nth_field(tuple, uf->field_no); - - if (!dfield_is_ext(field)) { - dfield_set_ext(field); - n_pushed++; - } - - switch (uf->orig_len) { - byte* data; - ulint len; - byte* buf; - case 0: - break; - case BTR_EXTERN_FIELD_REF_SIZE: - /* Restore the original locally stored - part of the column. In the undo log, - InnoDB writes a longer prefix of externally - stored columns, so that column prefixes - in secondary indexes can be reconstructed. */ - dfield_set_data(field, (byte*) dfield_get_data(field) - + dfield_get_len(field) - - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - dfield_set_ext(field); - break; - default: - /* Reconstruct the original locally - stored part of the column. The data - will have to be copied. */ - ut_a(uf->orig_len > BTR_EXTERN_FIELD_REF_SIZE); - - data = dfield_get_data(field); - len = dfield_get_len(field); - - buf = mem_heap_alloc(heap, uf->orig_len); - /* Copy the locally stored prefix. */ - memcpy(buf, data, - uf->orig_len - - BTR_EXTERN_FIELD_REF_SIZE); - /* Copy the BLOB pointer. */ - memcpy(buf + uf->orig_len - - BTR_EXTERN_FIELD_REF_SIZE, - data + len - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - - dfield_set_data(field, buf, uf->orig_len); - dfield_set_ext(field); - } - } - } - - return(n_pushed); -} - -/*******************************************************************//** -Returns the length of a BLOB part stored on the header page. -@return part length */ -static -ulint -btr_blob_get_part_len( -/*==================*/ - const byte* blob_header) /*!< in: blob header */ -{ - return(mach_read_from_4(blob_header + BTR_BLOB_HDR_PART_LEN)); -} - -/*******************************************************************//** -Returns the page number where the next BLOB part is stored. -@return page number or FIL_NULL if no more pages */ -static -ulint -btr_blob_get_next_page_no( -/*======================*/ - const byte* blob_header) /*!< in: blob header */ -{ - return(mach_read_from_4(blob_header + BTR_BLOB_HDR_NEXT_PAGE_NO)); -} - -/*******************************************************************//** -Deallocate a buffer block that was reserved for a BLOB part. */ -static -void -btr_blob_free( -/*==========*/ - buf_block_t* block, /*!< in: buffer block */ - ibool all, /*!< in: TRUE=remove also the compressed page - if there is one */ - mtr_t* mtr) /*!< in: mini-transaction to commit */ -{ - ulint space = buf_block_get_space(block); - ulint page_no = buf_block_get_page_no(block); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - - mtr_commit(mtr); - - buf_pool_mutex_enter(); - mutex_enter(&block->mutex); - - /* Only free the block if it is still allocated to - the same file page. */ - - if (buf_block_get_state(block) - == BUF_BLOCK_FILE_PAGE - && buf_block_get_space(block) == space - && buf_block_get_page_no(block) == page_no) { - - if (buf_LRU_free_block(&block->page, all, NULL) - != BUF_LRU_FREED - && all && block->page.zip.data) { - /* Attempt to deallocate the uncompressed page - if the whole block cannot be deallocted. */ - - buf_LRU_free_block(&block->page, FALSE, NULL); - } - } - - buf_pool_mutex_exit(); - mutex_exit(&block->mutex); -} - -/*******************************************************************//** -Stores the fields in big_rec_vec to the tablespace and puts pointers to -them in rec. The extern flags in rec will have to be set beforehand. -The fields are stored on pages allocated from leaf node -file segment of the index tree. -@return DB_SUCCESS or error */ -UNIV_INTERN -ulint -btr_store_big_rec_extern_fields( -/*============================*/ - dict_index_t* index, /*!< in: index of rec; the index tree - MUST be X-latched */ - buf_block_t* rec_block, /*!< in/out: block containing rec */ - rec_t* rec, /*!< in/out: record */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index); - the "external storage" flags in offsets - will not correspond to rec when - this function returns */ - big_rec_t* big_rec_vec, /*!< in: vector containing fields - to be stored externally */ - mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr - containing the latch to rec and to the - tree */ -{ - ulint rec_page_no; - byte* field_ref; - ulint extern_len; - ulint store_len; - ulint page_no; - ulint space_id; - ulint zip_size; - ulint prev_page_no; - ulint hint_page_no; - ulint i; - mtr_t mtr; - mem_heap_t* heap = NULL; - page_zip_des_t* page_zip; - z_stream c_stream; - - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(mtr_memo_contains(local_mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains(local_mtr, rec_block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(buf_block_get_frame(rec_block) == page_align(rec)); - ut_a(dict_index_is_clust(index)); - - page_zip = buf_block_get_page_zip(rec_block); - ut_a(dict_table_zip_size(index->table) - == buf_block_get_zip_size(rec_block)); - - space_id = buf_block_get_space(rec_block); - zip_size = buf_block_get_zip_size(rec_block); - rec_page_no = buf_block_get_page_no(rec_block); - ut_a(fil_page_get_type(page_align(rec)) == FIL_PAGE_INDEX); - - if (UNIV_LIKELY_NULL(page_zip)) { - int err; - - /* Zlib deflate needs 128 kilobytes for the default - window size, plus 512 << memLevel, plus a few - kilobytes for small objects. We use reduced memLevel - to limit the memory consumption, and preallocate the - heap, hoping to avoid memory fragmentation. */ - heap = mem_heap_create(250000); - page_zip_set_alloc(&c_stream, heap); - - err = deflateInit2(&c_stream, Z_DEFAULT_COMPRESSION, - Z_DEFLATED, 15, 7, Z_DEFAULT_STRATEGY); - ut_a(err == Z_OK); - } - - /* We have to create a file segment to the tablespace - for each field and put the pointer to the field in rec */ - - for (i = 0; i < big_rec_vec->n_fields; i++) { - ut_ad(rec_offs_nth_extern(offsets, - big_rec_vec->fields[i].field_no)); - { - ulint local_len; - field_ref = rec_get_nth_field( - rec, offsets, big_rec_vec->fields[i].field_no, - &local_len); - ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - field_ref += local_len; - } - extern_len = big_rec_vec->fields[i].len; - - ut_a(extern_len > 0); - - prev_page_no = FIL_NULL; - - if (UNIV_LIKELY_NULL(page_zip)) { - int err = deflateReset(&c_stream); - ut_a(err == Z_OK); - - c_stream.next_in = (void*) big_rec_vec->fields[i].data; - c_stream.avail_in = extern_len; - } - - for (;;) { - buf_block_t* block; - page_t* page; - - mtr_start(&mtr); - - if (prev_page_no == FIL_NULL) { - hint_page_no = 1 + rec_page_no; - } else { - hint_page_no = prev_page_no + 1; - } - - block = btr_page_alloc(index, hint_page_no, - FSP_NO_DIR, 0, &mtr); - if (UNIV_UNLIKELY(block == NULL)) { - - mtr_commit(&mtr); - - if (UNIV_LIKELY_NULL(page_zip)) { - deflateEnd(&c_stream); - mem_heap_free(heap); - } - - return(DB_OUT_OF_FILE_SPACE); - } - - page_no = buf_block_get_page_no(block); - page = buf_block_get_frame(block); - - if (prev_page_no != FIL_NULL) { - buf_block_t* prev_block; - page_t* prev_page; - - prev_block = buf_page_get(space_id, zip_size, - prev_page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(prev_block, - SYNC_EXTERN_STORAGE); - prev_page = buf_block_get_frame(prev_block); - - if (UNIV_LIKELY_NULL(page_zip)) { - mlog_write_ulint( - prev_page + FIL_PAGE_NEXT, - page_no, MLOG_4BYTES, &mtr); - memcpy(buf_block_get_page_zip( - prev_block) - ->data + FIL_PAGE_NEXT, - prev_page + FIL_PAGE_NEXT, 4); - } else { - mlog_write_ulint( - prev_page + FIL_PAGE_DATA - + BTR_BLOB_HDR_NEXT_PAGE_NO, - page_no, MLOG_4BYTES, &mtr); - } - - } - - if (UNIV_LIKELY_NULL(page_zip)) { - int err; - page_zip_des_t* blob_page_zip; - - /* Write FIL_PAGE_TYPE to the redo log - separately, before logging any other - changes to the page, so that the debug - assertions in - recv_parse_or_apply_log_rec_body() can - be made simpler. Before InnoDB Plugin - 1.0.4, the initialization of - FIL_PAGE_TYPE was logged as part of - the mlog_log_string() below. */ - - mlog_write_ulint(page + FIL_PAGE_TYPE, - prev_page_no == FIL_NULL - ? FIL_PAGE_TYPE_ZBLOB - : FIL_PAGE_TYPE_ZBLOB2, - MLOG_2BYTES, &mtr); - - c_stream.next_out = page - + FIL_PAGE_DATA; - c_stream.avail_out - = page_zip_get_size(page_zip) - - FIL_PAGE_DATA; - - err = deflate(&c_stream, Z_FINISH); - ut_a(err == Z_OK || err == Z_STREAM_END); - ut_a(err == Z_STREAM_END - || c_stream.avail_out == 0); - - /* Write the "next BLOB page" pointer */ - mlog_write_ulint(page + FIL_PAGE_NEXT, - FIL_NULL, MLOG_4BYTES, &mtr); - /* Initialize the unused "prev page" pointer */ - mlog_write_ulint(page + FIL_PAGE_PREV, - FIL_NULL, MLOG_4BYTES, &mtr); - /* Write a back pointer to the record - into the otherwise unused area. This - information could be useful in - debugging. Later, we might want to - implement the possibility to relocate - BLOB pages. Then, we would need to be - able to adjust the BLOB pointer in the - record. We do not store the heap - number of the record, because it can - change in page_zip_reorganize() or - btr_page_reorganize(). However, also - the page number of the record may - change when B-tree nodes are split or - merged. */ - mlog_write_ulint(page - + FIL_PAGE_FILE_FLUSH_LSN, - space_id, - MLOG_4BYTES, &mtr); - mlog_write_ulint(page - + FIL_PAGE_FILE_FLUSH_LSN + 4, - rec_page_no, - MLOG_4BYTES, &mtr); - - /* Zero out the unused part of the page. */ - memset(page + page_zip_get_size(page_zip) - - c_stream.avail_out, - 0, c_stream.avail_out); - mlog_log_string(page + FIL_PAGE_FILE_FLUSH_LSN, - page_zip_get_size(page_zip) - - FIL_PAGE_FILE_FLUSH_LSN, - &mtr); - /* Copy the page to compressed storage, - because it will be flushed to disk - from there. */ - blob_page_zip = buf_block_get_page_zip(block); - ut_ad(blob_page_zip); - ut_ad(page_zip_get_size(blob_page_zip) - == page_zip_get_size(page_zip)); - memcpy(blob_page_zip->data, page, - page_zip_get_size(page_zip)); - - if (err == Z_OK && prev_page_no != FIL_NULL) { - - goto next_zip_page; - } - - rec_block = buf_page_get(space_id, zip_size, - rec_page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(rec_block, - SYNC_NO_ORDER_CHECK); - - if (err == Z_STREAM_END) { - mach_write_to_4(field_ref - + BTR_EXTERN_LEN, 0); - mach_write_to_4(field_ref - + BTR_EXTERN_LEN + 4, - c_stream.total_in); - } else { - memset(field_ref + BTR_EXTERN_LEN, - 0, 8); - } - - if (prev_page_no == FIL_NULL) { - mach_write_to_4(field_ref - + BTR_EXTERN_SPACE_ID, - space_id); - - mach_write_to_4(field_ref - + BTR_EXTERN_PAGE_NO, - page_no); - - mach_write_to_4(field_ref - + BTR_EXTERN_OFFSET, - FIL_PAGE_NEXT); - } - - page_zip_write_blob_ptr( - page_zip, rec, index, offsets, - big_rec_vec->fields[i].field_no, &mtr); - -next_zip_page: - prev_page_no = page_no; - - /* Commit mtr and release the - uncompressed page frame to save memory. */ - btr_blob_free(block, FALSE, &mtr); - - if (err == Z_STREAM_END) { - break; - } - } else { - mlog_write_ulint(page + FIL_PAGE_TYPE, - FIL_PAGE_TYPE_BLOB, - MLOG_2BYTES, &mtr); - - if (extern_len > (UNIV_PAGE_SIZE - - FIL_PAGE_DATA - - BTR_BLOB_HDR_SIZE - - FIL_PAGE_DATA_END)) { - store_len = UNIV_PAGE_SIZE - - FIL_PAGE_DATA - - BTR_BLOB_HDR_SIZE - - FIL_PAGE_DATA_END; - } else { - store_len = extern_len; - } - - mlog_write_string(page + FIL_PAGE_DATA - + BTR_BLOB_HDR_SIZE, - (const byte*) - big_rec_vec->fields[i].data - + big_rec_vec->fields[i].len - - extern_len, - store_len, &mtr); - mlog_write_ulint(page + FIL_PAGE_DATA - + BTR_BLOB_HDR_PART_LEN, - store_len, MLOG_4BYTES, &mtr); - mlog_write_ulint(page + FIL_PAGE_DATA - + BTR_BLOB_HDR_NEXT_PAGE_NO, - FIL_NULL, MLOG_4BYTES, &mtr); - - extern_len -= store_len; - - rec_block = buf_page_get(space_id, zip_size, - rec_page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(rec_block, - SYNC_NO_ORDER_CHECK); - - mlog_write_ulint(field_ref + BTR_EXTERN_LEN, 0, - MLOG_4BYTES, &mtr); - mlog_write_ulint(field_ref - + BTR_EXTERN_LEN + 4, - big_rec_vec->fields[i].len - - extern_len, - MLOG_4BYTES, &mtr); - - if (prev_page_no == FIL_NULL) { - mlog_write_ulint(field_ref - + BTR_EXTERN_SPACE_ID, - space_id, - MLOG_4BYTES, &mtr); - - mlog_write_ulint(field_ref - + BTR_EXTERN_PAGE_NO, - page_no, - MLOG_4BYTES, &mtr); - - mlog_write_ulint(field_ref - + BTR_EXTERN_OFFSET, - FIL_PAGE_DATA, - MLOG_4BYTES, &mtr); - } - - prev_page_no = page_no; - - mtr_commit(&mtr); - - if (extern_len == 0) { - break; - } - } - } - } - - if (UNIV_LIKELY_NULL(page_zip)) { - deflateEnd(&c_stream); - mem_heap_free(heap); - } - - return(DB_SUCCESS); -} - -/*******************************************************************//** -Check the FIL_PAGE_TYPE on an uncompressed BLOB page. */ -static -void -btr_check_blob_fil_page_type( -/*=========================*/ - ulint space_id, /*!< in: space id */ - ulint page_no, /*!< in: page number */ - const page_t* page, /*!< in: page */ - ibool read) /*!< in: TRUE=read, FALSE=purge */ -{ - ulint type = fil_page_get_type(page); - - ut_a(space_id == page_get_space_id(page)); - ut_a(page_no == page_get_page_no(page)); - - if (UNIV_UNLIKELY(type != FIL_PAGE_TYPE_BLOB)) { - ulint flags = fil_space_get_flags(space_id); - - if (UNIV_LIKELY - ((flags & DICT_TF_FORMAT_MASK) == DICT_TF_FORMAT_51)) { - /* Old versions of InnoDB did not initialize - FIL_PAGE_TYPE on BLOB pages. Do not print - anything about the type mismatch when reading - a BLOB page that is in Antelope format.*/ - return; - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: FIL_PAGE_TYPE=%lu" - " on BLOB %s space %lu page %lu flags %lx\n", - (ulong) type, read ? "read" : "purge", - (ulong) space_id, (ulong) page_no, (ulong) flags); - ut_error; - } -} - -/*******************************************************************//** -Frees the space in an externally stored field to the file space -management if the field in data is owned by the externally stored field, -in a rollback we may have the additional condition that the field must -not be inherited. */ -UNIV_INTERN -void -btr_free_externally_stored_field( -/*=============================*/ - dict_index_t* index, /*!< in: index of the data, the index - tree MUST be X-latched; if the tree - height is 1, then also the root page - must be X-latched! (this is relevant - in the case this function is called - from purge where 'data' is located on - an undo log page, not an index - page) */ - byte* field_ref, /*!< in/out: field reference */ - const rec_t* rec, /*!< in: record containing field_ref, for - page_zip_write_blob_ptr(), or NULL */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index), - or NULL */ - page_zip_des_t* page_zip, /*!< in: compressed page corresponding - to rec, or NULL if rec == NULL */ - ulint i, /*!< in: field number of field_ref; - ignored if rec == NULL */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* local_mtr __attribute__((unused))) /*!< in: mtr - containing the latch to data an an - X-latch to the index tree */ -{ - page_t* page; - ulint space_id; - ulint rec_zip_size = dict_table_zip_size(index->table); - ulint ext_zip_size; - ulint page_no; - ulint next_page_no; - mtr_t mtr; -#ifdef UNIV_DEBUG - ut_ad(mtr_memo_contains(local_mtr, dict_index_get_lock(index), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains_page(local_mtr, field_ref, - MTR_MEMO_PAGE_X_FIX)); - ut_ad(!rec || rec_offs_validate(rec, index, offsets)); - - if (rec) { - ulint local_len; - const byte* f = rec_get_nth_field(rec, offsets, - i, &local_len); - ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - f += local_len; - ut_ad(f == field_ref); - } -#endif /* UNIV_DEBUG */ - - if (UNIV_UNLIKELY(!memcmp(field_ref, field_ref_zero, - BTR_EXTERN_FIELD_REF_SIZE))) { - /* In the rollback of uncommitted transactions, we may - encounter a clustered index record whose BLOBs have - not been written. There is nothing to free then. */ - ut_a(rb_ctx == RB_RECOVERY || rb_ctx == RB_RECOVERY_PURGE_REC); - return; - } - - space_id = mach_read_from_4(field_ref + BTR_EXTERN_SPACE_ID); - - if (UNIV_UNLIKELY(space_id != dict_index_get_space(index))) { - ext_zip_size = fil_space_get_zip_size(space_id); - /* This must be an undo log record in the system tablespace, - that is, in row_purge_upd_exist_or_extern(). - Currently, externally stored records are stored in the - same tablespace as the referring records. */ - ut_ad(!page_get_space_id(page_align(field_ref))); - ut_ad(!rec); - ut_ad(!page_zip); - } else { - ext_zip_size = rec_zip_size; - } - - if (!rec) { - /* This is a call from row_purge_upd_exist_or_extern(). */ - ut_ad(!page_zip); - rec_zip_size = 0; - } - - for (;;) { - buf_block_t* rec_block; - buf_block_t* ext_block; - - mtr_start(&mtr); - - rec_block = buf_page_get(page_get_space_id( - page_align(field_ref)), - rec_zip_size, - page_get_page_no( - page_align(field_ref)), - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(rec_block, SYNC_NO_ORDER_CHECK); - page_no = mach_read_from_4(field_ref + BTR_EXTERN_PAGE_NO); - - if (/* There is no external storage data */ - page_no == FIL_NULL - /* This field does not own the externally stored field */ - || (mach_read_from_1(field_ref + BTR_EXTERN_LEN) - & BTR_EXTERN_OWNER_FLAG) - /* Rollback and inherited field */ - || ((rb_ctx == RB_NORMAL || rb_ctx == RB_RECOVERY) - && (mach_read_from_1(field_ref + BTR_EXTERN_LEN) - & BTR_EXTERN_INHERITED_FLAG))) { - - /* Do not free */ - mtr_commit(&mtr); - - return; - } - - ext_block = buf_page_get(space_id, ext_zip_size, page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(ext_block, SYNC_EXTERN_STORAGE); - page = buf_block_get_frame(ext_block); - - if (ext_zip_size) { - /* Note that page_zip will be NULL - in row_purge_upd_exist_or_extern(). */ - switch (fil_page_get_type(page)) { - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - break; - default: - ut_error; - } - next_page_no = mach_read_from_4(page + FIL_PAGE_NEXT); - - btr_page_free_low(index, ext_block, 0, &mtr); - - if (UNIV_LIKELY(page_zip != NULL)) { - mach_write_to_4(field_ref + BTR_EXTERN_PAGE_NO, - next_page_no); - mach_write_to_4(field_ref + BTR_EXTERN_LEN + 4, - 0); - page_zip_write_blob_ptr(page_zip, rec, index, - offsets, i, &mtr); - } else { - mlog_write_ulint(field_ref - + BTR_EXTERN_PAGE_NO, - next_page_no, - MLOG_4BYTES, &mtr); - mlog_write_ulint(field_ref - + BTR_EXTERN_LEN + 4, 0, - MLOG_4BYTES, &mtr); - } - } else { - ut_a(!page_zip); - btr_check_blob_fil_page_type(space_id, page_no, page, - FALSE); - - next_page_no = mach_read_from_4( - page + FIL_PAGE_DATA - + BTR_BLOB_HDR_NEXT_PAGE_NO); - - /* We must supply the page level (= 0) as an argument - because we did not store it on the page (we save the - space overhead from an index page header. */ - - btr_page_free_low(index, ext_block, 0, &mtr); - - mlog_write_ulint(field_ref + BTR_EXTERN_PAGE_NO, - next_page_no, - MLOG_4BYTES, &mtr); - /* Zero out the BLOB length. If the server - crashes during the execution of this function, - trx_rollback_or_clean_all_recovered() could - dereference the half-deleted BLOB, fetching a - wrong prefix for the BLOB. */ - mlog_write_ulint(field_ref + BTR_EXTERN_LEN + 4, - 0, - MLOG_4BYTES, &mtr); - } - - /* Commit mtr and release the BLOB block to save memory. */ - btr_blob_free(ext_block, TRUE, &mtr); - } -} - -/***********************************************************//** -Frees the externally stored fields for a record. */ -static -void -btr_rec_free_externally_stored_fields( -/*==================================*/ - dict_index_t* index, /*!< in: index of the data, the index - tree MUST be X-latched */ - rec_t* rec, /*!< in/out: record */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr) /*!< in: mini-transaction handle which contains - an X-latch to record page and to the index - tree */ -{ - ulint n_fields; - ulint i; - - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX)); - /* Free possible externally stored fields in the record */ - - ut_ad(dict_table_is_comp(index->table) == !!rec_offs_comp(offsets)); - n_fields = rec_offs_n_fields(offsets); - - for (i = 0; i < n_fields; i++) { - if (rec_offs_nth_extern(offsets, i)) { - ulint len; - byte* data - = rec_get_nth_field(rec, offsets, i, &len); - ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); - - btr_free_externally_stored_field( - index, data + len - BTR_EXTERN_FIELD_REF_SIZE, - rec, offsets, page_zip, i, rb_ctx, mtr); - } - } -} - -/***********************************************************//** -Frees the externally stored fields for a record, if the field is mentioned -in the update vector. */ -static -void -btr_rec_free_updated_extern_fields( -/*===============================*/ - dict_index_t* index, /*!< in: index of rec; the index tree MUST be - X-latched */ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - const upd_t* update, /*!< in: update vector */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr) /*!< in: mini-transaction handle which contains - an X-latch to record page and to the tree */ -{ - ulint n_fields; - ulint i; - - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX)); - - /* Free possible externally stored fields in the record */ - - n_fields = upd_get_n_fields(update); - - for (i = 0; i < n_fields; i++) { - const upd_field_t* ufield = upd_get_nth_field(update, i); - - if (rec_offs_nth_extern(offsets, ufield->field_no)) { - ulint len; - byte* data = rec_get_nth_field( - rec, offsets, ufield->field_no, &len); - ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); - - btr_free_externally_stored_field( - index, data + len - BTR_EXTERN_FIELD_REF_SIZE, - rec, offsets, page_zip, - ufield->field_no, rb_ctx, mtr); - } - } -} - -/*******************************************************************//** -Copies the prefix of an uncompressed BLOB. The clustered index record -that points to this BLOB must be protected by a lock or a page latch. -@return number of bytes written to buf */ -static -ulint -btr_copy_blob_prefix( -/*=================*/ - byte* buf, /*!< out: the externally stored part of - the field, or a prefix of it */ - ulint len, /*!< in: length of buf, in bytes */ - ulint space_id,/*!< in: space id of the BLOB pages */ - ulint page_no,/*!< in: page number of the first BLOB page */ - ulint offset) /*!< in: offset on the first BLOB page */ -{ - ulint copied_len = 0; - - for (;;) { - mtr_t mtr; - buf_block_t* block; - const page_t* page; - const byte* blob_header; - ulint part_len; - ulint copy_len; - - mtr_start(&mtr); - - block = buf_page_get(space_id, 0, page_no, RW_S_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_EXTERN_STORAGE); - page = buf_block_get_frame(block); - - btr_check_blob_fil_page_type(space_id, page_no, page, TRUE); - - blob_header = page + offset; - part_len = btr_blob_get_part_len(blob_header); - copy_len = ut_min(part_len, len - copied_len); - - memcpy(buf + copied_len, - blob_header + BTR_BLOB_HDR_SIZE, copy_len); - copied_len += copy_len; - - page_no = btr_blob_get_next_page_no(blob_header); - - mtr_commit(&mtr); - - if (page_no == FIL_NULL || copy_len != part_len) { - return(copied_len); - } - - /* On other BLOB pages except the first the BLOB header - always is at the page data start: */ - - offset = FIL_PAGE_DATA; - - ut_ad(copied_len <= len); - } -} - -/*******************************************************************//** -Copies the prefix of a compressed BLOB. The clustered index record -that points to this BLOB must be protected by a lock or a page latch. */ -static -void -btr_copy_zblob_prefix( -/*==================*/ - z_stream* d_stream,/*!< in/out: the decompressing stream */ - ulint zip_size,/*!< in: compressed BLOB page size */ - ulint space_id,/*!< in: space id of the BLOB pages */ - ulint page_no,/*!< in: page number of the first BLOB page */ - ulint offset) /*!< in: offset on the first BLOB page */ -{ - ulint page_type = FIL_PAGE_TYPE_ZBLOB; - - ut_ad(ut_is_2pow(zip_size)); - ut_ad(zip_size >= PAGE_ZIP_MIN_SIZE); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - ut_ad(space_id); - - for (;;) { - buf_page_t* bpage; - int err; - ulint next_page_no; - - /* There is no latch on bpage directly. Instead, - bpage is protected by the B-tree page latch that - is being held on the clustered index record, or, - in row_merge_copy_blobs(), by an exclusive table lock. */ - bpage = buf_page_get_zip(space_id, zip_size, page_no); - - if (UNIV_UNLIKELY(!bpage)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Cannot load" - " compressed BLOB" - " page %lu space %lu\n", - (ulong) page_no, (ulong) space_id); - return; - } - - if (UNIV_UNLIKELY - (fil_page_get_type(bpage->zip.data) != page_type)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Unexpected type %lu of" - " compressed BLOB" - " page %lu space %lu\n", - (ulong) fil_page_get_type(bpage->zip.data), - (ulong) page_no, (ulong) space_id); - goto end_of_blob; - } - - next_page_no = mach_read_from_4(bpage->zip.data + offset); - - if (UNIV_LIKELY(offset == FIL_PAGE_NEXT)) { - /* When the BLOB begins at page header, - the compressed data payload does not - immediately follow the next page pointer. */ - offset = FIL_PAGE_DATA; - } else { - offset += 4; - } - - d_stream->next_in = bpage->zip.data + offset; - d_stream->avail_in = zip_size - offset; - - err = inflate(d_stream, Z_NO_FLUSH); - switch (err) { - case Z_OK: - if (!d_stream->avail_out) { - goto end_of_blob; - } - break; - case Z_STREAM_END: - if (next_page_no == FIL_NULL) { - goto end_of_blob; - } - /* fall through */ - default: -inflate_error: - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: inflate() of" - " compressed BLOB" - " page %lu space %lu returned %d (%s)\n", - (ulong) page_no, (ulong) space_id, - err, d_stream->msg); - case Z_BUF_ERROR: - goto end_of_blob; - } - - if (next_page_no == FIL_NULL) { - if (!d_stream->avail_in) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: unexpected end of" - " compressed BLOB" - " page %lu space %lu\n", - (ulong) page_no, - (ulong) space_id); - } else { - err = inflate(d_stream, Z_FINISH); - switch (err) { - case Z_STREAM_END: - case Z_BUF_ERROR: - break; - default: - goto inflate_error; - } - } - -end_of_blob: - buf_page_release_zip(bpage); - return; - } - - buf_page_release_zip(bpage); - - /* On other BLOB pages except the first - the BLOB header always is at the page header: */ - - page_no = next_page_no; - offset = FIL_PAGE_NEXT; - page_type = FIL_PAGE_TYPE_ZBLOB2; - } -} - -/*******************************************************************//** -Copies the prefix of an externally stored field of a record. The -clustered index record that points to this BLOB must be protected by a -lock or a page latch. -@return number of bytes written to buf */ -static -ulint -btr_copy_externally_stored_field_prefix_low( -/*========================================*/ - byte* buf, /*!< out: the externally stored part of - the field, or a prefix of it */ - ulint len, /*!< in: length of buf, in bytes */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - ulint space_id,/*!< in: space id of the first BLOB page */ - ulint page_no,/*!< in: page number of the first BLOB page */ - ulint offset) /*!< in: offset on the first BLOB page */ -{ - if (UNIV_UNLIKELY(len == 0)) { - return(0); - } - - if (UNIV_UNLIKELY(zip_size)) { - int err; - z_stream d_stream; - mem_heap_t* heap; - - /* Zlib inflate needs 32 kilobytes for the default - window size, plus a few kilobytes for small objects. */ - heap = mem_heap_create(40000); - page_zip_set_alloc(&d_stream, heap); - - err = inflateInit(&d_stream); - ut_a(err == Z_OK); - - d_stream.next_out = buf; - d_stream.avail_out = len; - d_stream.avail_in = 0; - - btr_copy_zblob_prefix(&d_stream, zip_size, - space_id, page_no, offset); - inflateEnd(&d_stream); - mem_heap_free(heap); - return(d_stream.total_out); - } else { - return(btr_copy_blob_prefix(buf, len, space_id, - page_no, offset)); - } -} - -/*******************************************************************//** -Copies the prefix of an externally stored field of a record. The -clustered index record must be protected by a lock or a page latch. -@return the length of the copied field, or 0 if the column was being -or has been deleted */ -UNIV_INTERN -ulint -btr_copy_externally_stored_field_prefix( -/*====================================*/ - byte* buf, /*!< out: the field, or a prefix of it */ - ulint len, /*!< in: length of buf, in bytes */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - const byte* data, /*!< in: 'internally' stored part of the - field containing also the reference to - the external part; must be protected by - a lock or a page latch */ - ulint local_len)/*!< in: length of data, in bytes */ -{ - ulint space_id; - ulint page_no; - ulint offset; - - ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - - if (UNIV_UNLIKELY(local_len >= len)) { - memcpy(buf, data, len); - return(len); - } - - memcpy(buf, data, local_len); - data += local_len; - - ut_a(memcmp(data, field_ref_zero, BTR_EXTERN_FIELD_REF_SIZE)); - - if (!mach_read_from_4(data + BTR_EXTERN_LEN + 4)) { - /* The externally stored part of the column has been - (partially) deleted. Signal the half-deleted BLOB - to the caller. */ - - return(0); - } - - space_id = mach_read_from_4(data + BTR_EXTERN_SPACE_ID); - - page_no = mach_read_from_4(data + BTR_EXTERN_PAGE_NO); - - offset = mach_read_from_4(data + BTR_EXTERN_OFFSET); - - return(local_len - + btr_copy_externally_stored_field_prefix_low(buf + local_len, - len - local_len, - zip_size, - space_id, page_no, - offset)); -} - -/*******************************************************************//** -Copies an externally stored field of a record to mem heap. The -clustered index record must be protected by a lock or a page latch. -@return the whole field copied to heap */ -static -byte* -btr_copy_externally_stored_field( -/*=============================*/ - ulint* len, /*!< out: length of the whole field */ - const byte* data, /*!< in: 'internally' stored part of the - field containing also the reference to - the external part; must be protected by - a lock or a page latch */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - ulint local_len,/*!< in: length of data */ - mem_heap_t* heap) /*!< in: mem heap */ -{ - ulint space_id; - ulint page_no; - ulint offset; - ulint extern_len; - byte* buf; - - ut_a(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - - space_id = mach_read_from_4(data + local_len + BTR_EXTERN_SPACE_ID); - - page_no = mach_read_from_4(data + local_len + BTR_EXTERN_PAGE_NO); - - offset = mach_read_from_4(data + local_len + BTR_EXTERN_OFFSET); - - /* Currently a BLOB cannot be bigger than 4 GB; we - leave the 4 upper bytes in the length field unused */ - - extern_len = mach_read_from_4(data + local_len + BTR_EXTERN_LEN + 4); - - buf = mem_heap_alloc(heap, local_len + extern_len); - - memcpy(buf, data, local_len); - *len = local_len - + btr_copy_externally_stored_field_prefix_low(buf + local_len, - extern_len, - zip_size, - space_id, - page_no, offset); - - return(buf); -} - -/*******************************************************************//** -Copies an externally stored field of a record to mem heap. -@return the field copied to heap */ -UNIV_INTERN -byte* -btr_rec_copy_externally_stored_field( -/*=================================*/ - const rec_t* rec, /*!< in: record in a clustered index; - must be protected by a lock or a page latch */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - ulint no, /*!< in: field number */ - ulint* len, /*!< out: length of the field */ - mem_heap_t* heap) /*!< in: mem heap */ -{ - ulint local_len; - const byte* data; - - ut_a(rec_offs_nth_extern(offsets, no)); - - /* An externally stored field can contain some initial - data from the field, and in the last 20 bytes it has the - space id, page number, and offset where the rest of the - field data is stored, and the data length in addition to - the data stored locally. We may need to store some data - locally to get the local record length above the 128 byte - limit so that field offsets are stored in two bytes, and - the extern bit is available in those two bytes. */ - - data = rec_get_nth_field(rec, offsets, no, &local_len); - - return(btr_copy_externally_stored_field(len, data, - zip_size, local_len, heap)); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/btr/btr0pcur.c b/perfschema/btr/btr0pcur.c deleted file mode 100644 index 658901208ef..00000000000 --- a/perfschema/btr/btr0pcur.c +++ /dev/null @@ -1,591 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file btr/btr0pcur.c -The index tree persistent cursor - -Created 2/23/1996 Heikki Tuuri -*******************************************************/ - -#include "btr0pcur.h" - -#ifdef UNIV_NONINL -#include "btr0pcur.ic" -#endif - -#include "ut0byte.h" -#include "rem0cmp.h" -#include "trx0trx.h" - -/**************************************************************//** -Allocates memory for a persistent cursor object and initializes the cursor. -@return own: persistent cursor */ -UNIV_INTERN -btr_pcur_t* -btr_pcur_create_for_mysql(void) -/*============================*/ -{ - btr_pcur_t* pcur; - - pcur = mem_alloc(sizeof(btr_pcur_t)); - - pcur->btr_cur.index = NULL; - btr_pcur_init(pcur); - - return(pcur); -} - -/**************************************************************//** -Frees the memory for a persistent cursor object. */ -UNIV_INTERN -void -btr_pcur_free_for_mysql( -/*====================*/ - btr_pcur_t* cursor) /*!< in, own: persistent cursor */ -{ - if (cursor->old_rec_buf != NULL) { - - mem_free(cursor->old_rec_buf); - - cursor->old_rec_buf = NULL; - } - - cursor->btr_cur.page_cur.rec = NULL; - cursor->old_rec = NULL; - cursor->old_n_fields = 0; - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - cursor->latch_mode = BTR_NO_LATCHES; - cursor->pos_state = BTR_PCUR_NOT_POSITIONED; - - mem_free(cursor); -} - -/**************************************************************//** -The position of the cursor is stored by taking an initial segment of the -record the cursor is positioned on, before, or after, and copying it to the -cursor data structure, or just setting a flag if the cursor id before the -first in an EMPTY tree, or after the last in an EMPTY tree. NOTE that the -page where the cursor is positioned must not be empty if the index tree is -not totally empty! */ -UNIV_INTERN -void -btr_pcur_store_position( -/*====================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t* page_cursor; - buf_block_t* block; - rec_t* rec; - dict_index_t* index; - page_t* page; - ulint offs; - - ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - block = btr_pcur_get_block(cursor); - index = btr_cur_get_index(btr_pcur_get_btr_cur(cursor)); - - page_cursor = btr_pcur_get_page_cur(cursor); - - rec = page_cur_get_rec(page_cursor); - page = page_align(rec); - offs = page_offset(rec); - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_a(cursor->latch_mode != BTR_NO_LATCHES); - - if (UNIV_UNLIKELY(page_get_n_recs(page) == 0)) { - /* It must be an empty index tree; NOTE that in this case - we do not store the modify_clock, but always do a search - if we restore the cursor position */ - - ut_a(btr_page_get_next(page, mtr) == FIL_NULL); - ut_a(btr_page_get_prev(page, mtr) == FIL_NULL); - - cursor->old_stored = BTR_PCUR_OLD_STORED; - - if (page_rec_is_supremum_low(offs)) { - - cursor->rel_pos = BTR_PCUR_AFTER_LAST_IN_TREE; - } else { - cursor->rel_pos = BTR_PCUR_BEFORE_FIRST_IN_TREE; - } - - return; - } - - if (page_rec_is_supremum_low(offs)) { - - rec = page_rec_get_prev(rec); - - cursor->rel_pos = BTR_PCUR_AFTER; - - } else if (page_rec_is_infimum_low(offs)) { - - rec = page_rec_get_next(rec); - - cursor->rel_pos = BTR_PCUR_BEFORE; - } else { - cursor->rel_pos = BTR_PCUR_ON; - } - - cursor->old_stored = BTR_PCUR_OLD_STORED; - cursor->old_rec = dict_index_copy_rec_order_prefix( - index, rec, &cursor->old_n_fields, - &cursor->old_rec_buf, &cursor->buf_size); - - cursor->block_when_stored = block; - cursor->modify_clock = buf_block_get_modify_clock(block); -} - -/**************************************************************//** -Copies the stored position of a pcur to another pcur. */ -UNIV_INTERN -void -btr_pcur_copy_stored_position( -/*==========================*/ - btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the - position info */ - btr_pcur_t* pcur_donate) /*!< in: pcur from which the info is - copied */ -{ - if (pcur_receive->old_rec_buf) { - mem_free(pcur_receive->old_rec_buf); - } - - ut_memcpy(pcur_receive, pcur_donate, sizeof(btr_pcur_t)); - - if (pcur_donate->old_rec_buf) { - - pcur_receive->old_rec_buf = mem_alloc(pcur_donate->buf_size); - - ut_memcpy(pcur_receive->old_rec_buf, pcur_donate->old_rec_buf, - pcur_donate->buf_size); - pcur_receive->old_rec = pcur_receive->old_rec_buf - + (pcur_donate->old_rec - pcur_donate->old_rec_buf); - } - - pcur_receive->old_n_fields = pcur_donate->old_n_fields; -} - -/**************************************************************//** -Restores the stored position of a persistent cursor bufferfixing the page and -obtaining the specified latches. If the cursor position was saved when the -(1) cursor was positioned on a user record: this function restores the position -to the last record LESS OR EQUAL to the stored record; -(2) cursor was positioned on a page infimum record: restores the position to -the last record LESS than the user record which was the successor of the page -infimum; -(3) cursor was positioned on the page supremum: restores to the first record -GREATER than the user record which was the predecessor of the supremum. -(4) cursor was positioned before the first or after the last in an empty tree: -restores to before first or after the last in the tree. -@return TRUE if the cursor position was stored when it was on a user -record and it can be restored on a user record whose ordering fields -are identical to the ones of the original user record */ -UNIV_INTERN -ibool -btr_pcur_restore_position_func( -/*===========================*/ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in: detached persistent cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - dtuple_t* tuple; - ulint mode; - ulint old_mode; - mem_heap_t* heap; - - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - - index = btr_cur_get_index(btr_pcur_get_btr_cur(cursor)); - - if (UNIV_UNLIKELY(cursor->old_stored != BTR_PCUR_OLD_STORED) - || UNIV_UNLIKELY(cursor->pos_state != BTR_PCUR_WAS_POSITIONED - && cursor->pos_state != BTR_PCUR_IS_POSITIONED)) { - ut_print_buf(stderr, cursor, sizeof(btr_pcur_t)); - putc('\n', stderr); - if (cursor->trx_if_known) { - trx_print(stderr, cursor->trx_if_known, 0); - } - - ut_error; - } - - if (UNIV_UNLIKELY - (cursor->rel_pos == BTR_PCUR_AFTER_LAST_IN_TREE - || cursor->rel_pos == BTR_PCUR_BEFORE_FIRST_IN_TREE)) { - - /* In these cases we do not try an optimistic restoration, - but always do a search */ - - btr_cur_open_at_index_side( - cursor->rel_pos == BTR_PCUR_BEFORE_FIRST_IN_TREE, - index, latch_mode, btr_pcur_get_btr_cur(cursor), mtr); - - cursor->block_when_stored = btr_pcur_get_block(cursor); - - return(FALSE); - } - - ut_a(cursor->old_rec); - ut_a(cursor->old_n_fields); - - if (UNIV_LIKELY(latch_mode == BTR_SEARCH_LEAF) - || UNIV_LIKELY(latch_mode == BTR_MODIFY_LEAF)) { - /* Try optimistic restoration */ - - if (UNIV_LIKELY(buf_page_optimistic_get( - latch_mode, - cursor->block_when_stored, - cursor->modify_clock, - file, line, mtr))) { - cursor->pos_state = BTR_PCUR_IS_POSITIONED; - - buf_block_dbg_add_level(btr_pcur_get_block(cursor), - SYNC_TREE_NODE); - - if (cursor->rel_pos == BTR_PCUR_ON) { -#ifdef UNIV_DEBUG - const rec_t* rec; - const ulint* offsets1; - const ulint* offsets2; -#endif /* UNIV_DEBUG */ - cursor->latch_mode = latch_mode; -#ifdef UNIV_DEBUG - rec = btr_pcur_get_rec(cursor); - - heap = mem_heap_create(256); - offsets1 = rec_get_offsets( - cursor->old_rec, index, NULL, - cursor->old_n_fields, &heap); - offsets2 = rec_get_offsets( - rec, index, NULL, - cursor->old_n_fields, &heap); - - ut_ad(!cmp_rec_rec(cursor->old_rec, - rec, offsets1, offsets2, - index)); - mem_heap_free(heap); -#endif /* UNIV_DEBUG */ - return(TRUE); - } - - return(FALSE); - } - } - - /* If optimistic restoration did not succeed, open the cursor anew */ - - heap = mem_heap_create(256); - - tuple = dict_index_build_data_tuple(index, cursor->old_rec, - cursor->old_n_fields, heap); - - /* Save the old search mode of the cursor */ - old_mode = cursor->search_mode; - - if (UNIV_LIKELY(cursor->rel_pos == BTR_PCUR_ON)) { - mode = PAGE_CUR_LE; - } else if (cursor->rel_pos == BTR_PCUR_AFTER) { - mode = PAGE_CUR_G; - } else { - ut_ad(cursor->rel_pos == BTR_PCUR_BEFORE); - mode = PAGE_CUR_L; - } - - btr_pcur_open_with_no_init_func(index, tuple, mode, latch_mode, - cursor, 0, file, line, mtr); - - /* Restore the old search mode */ - cursor->search_mode = old_mode; - - if (cursor->rel_pos == BTR_PCUR_ON - && btr_pcur_is_on_user_rec(cursor) - && 0 == cmp_dtuple_rec(tuple, btr_pcur_get_rec(cursor), - rec_get_offsets( - btr_pcur_get_rec(cursor), index, - NULL, ULINT_UNDEFINED, &heap))) { - - /* We have to store the NEW value for the modify clock, since - the cursor can now be on a different page! But we can retain - the value of old_rec */ - - cursor->block_when_stored = btr_pcur_get_block(cursor); - cursor->modify_clock = buf_block_get_modify_clock( - cursor->block_when_stored); - cursor->old_stored = BTR_PCUR_OLD_STORED; - - mem_heap_free(heap); - - return(TRUE); - } - - mem_heap_free(heap); - - /* We have to store new position information, modify_clock etc., - to the cursor because it can now be on a different page, the record - under it may have been removed, etc. */ - - btr_pcur_store_position(cursor, mtr); - - return(FALSE); -} - -/**************************************************************//** -If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, -releases the page latch and bufferfix reserved by the cursor. -NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes -made by the current mini-transaction to the data protected by the -cursor latch, as then the latch must not be released until mtr_commit. */ -UNIV_INTERN -void -btr_pcur_release_leaf( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - - ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - block = btr_pcur_get_block(cursor); - - btr_leaf_page_release(block, cursor->latch_mode, mtr); - - cursor->latch_mode = BTR_NO_LATCHES; - - cursor->pos_state = BTR_PCUR_WAS_POSITIONED; -} - -/*********************************************************//** -Moves the persistent cursor to the first record on the next page. Releases the -latch on the current page, and bufferunfixes it. Note that there must not be -modifications on the current page, as then the x-latch can be released only in -mtr_commit. */ -UNIV_INTERN -void -btr_pcur_move_to_next_page( -/*=======================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the - last record of the current page */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint next_page_no; - ulint space; - ulint zip_size; - page_t* page; - buf_block_t* next_block; - page_t* next_page; - - ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - ut_ad(btr_pcur_is_after_last_on_page(cursor)); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - page = btr_pcur_get_page(cursor); - next_page_no = btr_page_get_next(page, mtr); - space = buf_block_get_space(btr_pcur_get_block(cursor)); - zip_size = buf_block_get_zip_size(btr_pcur_get_block(cursor)); - - ut_ad(next_page_no != FIL_NULL); - - next_block = btr_block_get(space, zip_size, next_page_no, - cursor->latch_mode, mtr); - next_page = buf_block_get_frame(next_block); -#ifdef UNIV_BTR_DEBUG - ut_a(page_is_comp(next_page) == page_is_comp(page)); - ut_a(btr_page_get_prev(next_page, mtr) - == buf_block_get_page_no(btr_pcur_get_block(cursor))); -#endif /* UNIV_BTR_DEBUG */ - next_block->check_index_page_at_flush = TRUE; - - btr_leaf_page_release(btr_pcur_get_block(cursor), - cursor->latch_mode, mtr); - - page_cur_set_before_first(next_block, btr_pcur_get_page_cur(cursor)); - - page_check_dir(next_page); -} - -/*********************************************************//** -Moves the persistent cursor backward if it is on the first record of the page. -Commits mtr. Note that to prevent a possible deadlock, the operation -first stores the position of the cursor, commits mtr, acquires the necessary -latches and restores the cursor position again before returning. The -alphabetical position of the cursor is guaranteed to be sensible on -return, but it may happen that the cursor is not positioned on the last -record of any page, because the structure of the tree may have changed -during the time when the cursor had no latches. */ -UNIV_INTERN -void -btr_pcur_move_backward_from_page( -/*=============================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the first - record of the current page */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint prev_page_no; - ulint space; - page_t* page; - buf_block_t* prev_block; - ulint latch_mode; - ulint latch_mode2; - - ut_a(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - ut_ad(btr_pcur_is_before_first_on_page(cursor)); - ut_ad(!btr_pcur_is_before_first_in_tree(cursor, mtr)); - - latch_mode = cursor->latch_mode; - - if (latch_mode == BTR_SEARCH_LEAF) { - - latch_mode2 = BTR_SEARCH_PREV; - - } else if (latch_mode == BTR_MODIFY_LEAF) { - - latch_mode2 = BTR_MODIFY_PREV; - } else { - latch_mode2 = 0; /* To eliminate compiler warning */ - ut_error; - } - - btr_pcur_store_position(cursor, mtr); - - mtr_commit(mtr); - - mtr_start(mtr); - - btr_pcur_restore_position(latch_mode2, cursor, mtr); - - page = btr_pcur_get_page(cursor); - - prev_page_no = btr_page_get_prev(page, mtr); - space = buf_block_get_space(btr_pcur_get_block(cursor)); - - if (prev_page_no == FIL_NULL) { - } else if (btr_pcur_is_before_first_on_page(cursor)) { - - prev_block = btr_pcur_get_btr_cur(cursor)->left_block; - - btr_leaf_page_release(btr_pcur_get_block(cursor), - latch_mode, mtr); - - page_cur_set_after_last(prev_block, - btr_pcur_get_page_cur(cursor)); - } else { - - /* The repositioned cursor did not end on an infimum record on - a page. Cursor repositioning acquired a latch also on the - previous page, but we do not need the latch: release it. */ - - prev_block = btr_pcur_get_btr_cur(cursor)->left_block; - - btr_leaf_page_release(prev_block, latch_mode, mtr); - } - - cursor->latch_mode = latch_mode; - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; -} - -/*********************************************************//** -Moves the persistent cursor to the previous record in the tree. If no records -are left, the cursor stays 'before first in tree'. -@return TRUE if the cursor was not before first in tree */ -UNIV_INTERN -ibool -btr_pcur_move_to_prev( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - if (btr_pcur_is_before_first_on_page(cursor)) { - - if (btr_pcur_is_before_first_in_tree(cursor, mtr)) { - - return(FALSE); - } - - btr_pcur_move_backward_from_page(cursor, mtr); - - return(TRUE); - } - - btr_pcur_move_to_prev_on_page(cursor); - - return(TRUE); -} - -/**************************************************************//** -If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first -user record satisfying the search condition, in the case PAGE_CUR_L or -PAGE_CUR_LE, on the last user record. If no such user record exists, then -in the first case sets the cursor after last in tree, and in the latter case -before first in tree. The latching mode must be BTR_SEARCH_LEAF or -BTR_MODIFY_LEAF. */ -UNIV_INTERN -void -btr_pcur_open_on_user_rec_func( -/*===========================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ... */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or - BTR_MODIFY_LEAF */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent - cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - btr_pcur_open_func(index, tuple, mode, latch_mode, cursor, - file, line, mtr); - - if ((mode == PAGE_CUR_GE) || (mode == PAGE_CUR_G)) { - - if (btr_pcur_is_after_last_on_page(cursor)) { - - btr_pcur_move_to_next_user_rec(cursor, mtr); - } - } else { - ut_ad((mode == PAGE_CUR_LE) || (mode == PAGE_CUR_L)); - - /* Not implemented yet */ - - ut_error; - } -} diff --git a/perfschema/btr/btr0sea.c b/perfschema/btr/btr0sea.c deleted file mode 100644 index ef7afeb1039..00000000000 --- a/perfschema/btr/btr0sea.c +++ /dev/null @@ -1,1889 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file btr/btr0sea.c -The index tree adaptive search - -Created 2/17/1996 Heikki Tuuri -*************************************************************************/ - -#include "btr0sea.h" -#ifdef UNIV_NONINL -#include "btr0sea.ic" -#endif - -#include "buf0buf.h" -#include "page0page.h" -#include "page0cur.h" -#include "btr0cur.h" -#include "btr0pcur.h" -#include "btr0btr.h" -#include "ha0ha.h" - -/** Flag: has the search system been enabled? -Protected by btr_search_latch and btr_search_enabled_mutex. */ -UNIV_INTERN char btr_search_enabled = TRUE; - -/** Mutex protecting btr_search_enabled */ -static mutex_t btr_search_enabled_mutex; - -/** A dummy variable to fool the compiler */ -UNIV_INTERN ulint btr_search_this_is_zero = 0; - -#ifdef UNIV_SEARCH_PERF_STAT -/** Number of successful adaptive hash index lookups */ -UNIV_INTERN ulint btr_search_n_succ = 0; -/** Number of failed adaptive hash index lookups */ -UNIV_INTERN ulint btr_search_n_hash_fail = 0; -#endif /* UNIV_SEARCH_PERF_STAT */ - -/** padding to prevent other memory update -hotspots from residing on the same memory -cache line as btr_search_latch */ -UNIV_INTERN byte btr_sea_pad1[64]; - -/** The latch protecting the adaptive search system: this latch protects the -(1) positions of records on those pages where a hash index has been built. -NOTE: It does not protect values of non-ordering fields within a record from -being updated in-place! We can use fact (1) to perform unique searches to -indexes. */ - -/* We will allocate the latch from dynamic memory to get it to the -same DRAM page as other hotspot semaphores */ -UNIV_INTERN rw_lock_t* btr_search_latch_temp; - -/** padding to prevent other memory update hotspots from residing on -the same memory cache line */ -UNIV_INTERN byte btr_sea_pad2[64]; - -/** The adaptive hash index */ -UNIV_INTERN btr_search_sys_t* btr_search_sys; - -/** If the number of records on the page divided by this parameter -would have been successfully accessed using a hash index, the index -is then built on the page, assuming the global limit has been reached */ -#define BTR_SEARCH_PAGE_BUILD_LIMIT 16 - -/** The global limit for consecutive potentially successful hash searches, -before hash index building is started */ -#define BTR_SEARCH_BUILD_LIMIT 100 - -/********************************************************************//** -Builds a hash index on a page with the given parameters. If the page already -has a hash index with different parameters, the old hash index is removed. -If index is non-NULL, this function checks if n_fields and n_bytes are -sensible values, and does not build a hash index if not. */ -static -void -btr_search_build_page_hash_index( -/*=============================*/ - dict_index_t* index, /*!< in: index for which to build, or NULL if - not known */ - buf_block_t* block, /*!< in: index page, s- or x-latched */ - ulint n_fields,/*!< in: hash this many full fields */ - ulint n_bytes,/*!< in: hash this many bytes from the next - field */ - ibool left_side);/*!< in: hash for searches from left side? */ - -/*****************************************************************//** -This function should be called before reserving any btr search mutex, if -the intended operation might add nodes to the search system hash table. -Because of the latching order, once we have reserved the btr search system -latch, we cannot allocate a free frame from the buffer pool. Checks that -there is a free buffer frame allocated for hash table heap in the btr search -system. If not, allocates a free frames for the heap. This check makes it -probable that, when have reserved the btr search system latch and we need to -allocate a new node to the hash table, it will succeed. However, the check -will not guarantee success. */ -static -void -btr_search_check_free_space_in_heap(void) -/*=====================================*/ -{ - hash_table_t* table; - mem_heap_t* heap; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - table = btr_search_sys->hash_index; - - heap = table->heap; - - /* Note that we peek the value of heap->free_block without reserving - the latch: this is ok, because we will not guarantee that there will - be enough free space in the hash table. */ - - if (heap->free_block == NULL) { - buf_block_t* block = buf_block_alloc(0); - - rw_lock_x_lock(&btr_search_latch); - - if (heap->free_block == NULL) { - heap->free_block = block; - } else { - buf_block_free(block); - } - - rw_lock_x_unlock(&btr_search_latch); - } -} - -/*****************************************************************//** -Creates and initializes the adaptive search system at a database start. */ -UNIV_INTERN -void -btr_search_sys_create( -/*==================*/ - ulint hash_size) /*!< in: hash index hash table size */ -{ - /* We allocate the search latch from dynamic memory: - see above at the global variable definition */ - - btr_search_latch_temp = mem_alloc(sizeof(rw_lock_t)); - - rw_lock_create(&btr_search_latch, SYNC_SEARCH_SYS); - mutex_create(&btr_search_enabled_mutex, SYNC_SEARCH_SYS_CONF); - - btr_search_sys = mem_alloc(sizeof(btr_search_sys_t)); - - btr_search_sys->hash_index = ha_create(hash_size, 0, 0); -} - -/*****************************************************************//** -Frees the adaptive search system at a database shutdown. */ -UNIV_INTERN -void -btr_search_sys_free(void) -/*=====================*/ -{ - mem_free(btr_search_latch_temp); - btr_search_latch_temp = NULL; - mem_heap_free(btr_search_sys->hash_index->heap); - hash_table_free(btr_search_sys->hash_index); - mem_free(btr_search_sys); - btr_search_sys = NULL; -} - -/********************************************************************//** -Disable the adaptive hash search system and empty the index. */ -UNIV_INTERN -void -btr_search_disable(void) -/*====================*/ -{ - mutex_enter(&btr_search_enabled_mutex); - rw_lock_x_lock(&btr_search_latch); - - btr_search_enabled = FALSE; - - /* Clear all block->is_hashed flags and remove all entries - from btr_search_sys->hash_index. */ - buf_pool_drop_hash_index(); - - /* btr_search_enabled_mutex should guarantee this. */ - ut_ad(!btr_search_enabled); - - rw_lock_x_unlock(&btr_search_latch); - mutex_exit(&btr_search_enabled_mutex); -} - -/********************************************************************//** -Enable the adaptive hash search system. */ -UNIV_INTERN -void -btr_search_enable(void) -/*====================*/ -{ - mutex_enter(&btr_search_enabled_mutex); - rw_lock_x_lock(&btr_search_latch); - - btr_search_enabled = TRUE; - - rw_lock_x_unlock(&btr_search_latch); - mutex_exit(&btr_search_enabled_mutex); -} - -/*****************************************************************//** -Creates and initializes a search info struct. -@return own: search info struct */ -UNIV_INTERN -btr_search_t* -btr_search_info_create( -/*===================*/ - mem_heap_t* heap) /*!< in: heap where created */ -{ - btr_search_t* info; - - info = mem_heap_alloc(heap, sizeof(btr_search_t)); - -#ifdef UNIV_DEBUG - info->magic_n = BTR_SEARCH_MAGIC_N; -#endif /* UNIV_DEBUG */ - - info->ref_count = 0; - info->root_guess = NULL; - - info->hash_analysis = 0; - info->n_hash_potential = 0; - - info->last_hash_succ = FALSE; - -#ifdef UNIV_SEARCH_PERF_STAT - info->n_hash_succ = 0; - info->n_hash_fail = 0; - info->n_patt_succ = 0; - info->n_searches = 0; -#endif /* UNIV_SEARCH_PERF_STAT */ - - /* Set some sensible values */ - info->n_fields = 1; - info->n_bytes = 0; - - info->left_side = TRUE; - - return(info); -} - -/*****************************************************************//** -Returns the value of ref_count. The value is protected by -btr_search_latch. -@return ref_count value. */ -UNIV_INTERN -ulint -btr_search_info_get_ref_count( -/*==========================*/ - btr_search_t* info) /*!< in: search info. */ -{ - ulint ret; - - ut_ad(info); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - rw_lock_s_lock(&btr_search_latch); - ret = info->ref_count; - rw_lock_s_unlock(&btr_search_latch); - - return(ret); -} - -/*********************************************************************//** -Updates the search info of an index about hash successes. NOTE that info -is NOT protected by any semaphore, to save CPU time! Do not assume its fields -are consistent. */ -static -void -btr_search_info_update_hash( -/*========================*/ - btr_search_t* info, /*!< in/out: search info */ - btr_cur_t* cursor) /*!< in: cursor which was just positioned */ -{ - dict_index_t* index; - ulint n_unique; - int cmp; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - index = cursor->index; - - if (dict_index_is_ibuf(index)) { - /* So many deletes are performed on an insert buffer tree - that we do not consider a hash index useful on it: */ - - return; - } - - n_unique = dict_index_get_n_unique_in_tree(index); - - if (info->n_hash_potential == 0) { - - goto set_new_recomm; - } - - /* Test if the search would have succeeded using the recommended - hash prefix */ - - if (info->n_fields >= n_unique && cursor->up_match >= n_unique) { -increment_potential: - info->n_hash_potential++; - - return; - } - - cmp = ut_pair_cmp(info->n_fields, info->n_bytes, - cursor->low_match, cursor->low_bytes); - - if (info->left_side ? cmp <= 0 : cmp > 0) { - - goto set_new_recomm; - } - - cmp = ut_pair_cmp(info->n_fields, info->n_bytes, - cursor->up_match, cursor->up_bytes); - - if (info->left_side ? cmp <= 0 : cmp > 0) { - - goto increment_potential; - } - -set_new_recomm: - /* We have to set a new recommendation; skip the hash analysis - for a while to avoid unnecessary CPU time usage when there is no - chance for success */ - - info->hash_analysis = 0; - - cmp = ut_pair_cmp(cursor->up_match, cursor->up_bytes, - cursor->low_match, cursor->low_bytes); - if (cmp == 0) { - info->n_hash_potential = 0; - - /* For extra safety, we set some sensible values here */ - - info->n_fields = 1; - info->n_bytes = 0; - - info->left_side = TRUE; - - } else if (cmp > 0) { - info->n_hash_potential = 1; - - if (cursor->up_match >= n_unique) { - - info->n_fields = n_unique; - info->n_bytes = 0; - - } else if (cursor->low_match < cursor->up_match) { - - info->n_fields = cursor->low_match + 1; - info->n_bytes = 0; - } else { - info->n_fields = cursor->low_match; - info->n_bytes = cursor->low_bytes + 1; - } - - info->left_side = TRUE; - } else { - info->n_hash_potential = 1; - - if (cursor->low_match >= n_unique) { - - info->n_fields = n_unique; - info->n_bytes = 0; - - } else if (cursor->low_match > cursor->up_match) { - - info->n_fields = cursor->up_match + 1; - info->n_bytes = 0; - } else { - info->n_fields = cursor->up_match; - info->n_bytes = cursor->up_bytes + 1; - } - - info->left_side = FALSE; - } -} - -/*********************************************************************//** -Updates the block search info on hash successes. NOTE that info and -block->n_hash_helps, n_fields, n_bytes, side are NOT protected by any -semaphore, to save CPU time! Do not assume the fields are consistent. -@return TRUE if building a (new) hash index on the block is recommended */ -static -ibool -btr_search_update_block_hash_info( -/*==============================*/ - btr_search_t* info, /*!< in: search info */ - buf_block_t* block, /*!< in: buffer block */ - btr_cur_t* cursor __attribute__((unused))) - /*!< in: cursor */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); - ut_ad(rw_lock_own(&block->lock, RW_LOCK_SHARED) - || rw_lock_own(&block->lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(cursor); - - info->last_hash_succ = FALSE; - - ut_a(buf_block_state_valid(block)); - ut_ad(info->magic_n == BTR_SEARCH_MAGIC_N); - - if ((block->n_hash_helps > 0) - && (info->n_hash_potential > 0) - && (block->n_fields == info->n_fields) - && (block->n_bytes == info->n_bytes) - && (block->left_side == info->left_side)) { - - if ((block->is_hashed) - && (block->curr_n_fields == info->n_fields) - && (block->curr_n_bytes == info->n_bytes) - && (block->curr_left_side == info->left_side)) { - - /* The search would presumably have succeeded using - the hash index */ - - info->last_hash_succ = TRUE; - } - - block->n_hash_helps++; - } else { - block->n_hash_helps = 1; - block->n_fields = info->n_fields; - block->n_bytes = info->n_bytes; - block->left_side = info->left_side; - } - -#ifdef UNIV_DEBUG - if (cursor->index->table->does_not_fit_in_memory) { - block->n_hash_helps = 0; - } -#endif /* UNIV_DEBUG */ - - if ((block->n_hash_helps > page_get_n_recs(block->frame) - / BTR_SEARCH_PAGE_BUILD_LIMIT) - && (info->n_hash_potential >= BTR_SEARCH_BUILD_LIMIT)) { - - if ((!block->is_hashed) - || (block->n_hash_helps - > 2 * page_get_n_recs(block->frame)) - || (block->n_fields != block->curr_n_fields) - || (block->n_bytes != block->curr_n_bytes) - || (block->left_side != block->curr_left_side)) { - - /* Build a new hash index on the page */ - - return(TRUE); - } - } - - return(FALSE); -} - -/*********************************************************************//** -Updates a hash node reference when it has been unsuccessfully used in a -search which could have succeeded with the used hash parameters. This can -happen because when building a hash index for a page, we do not check -what happens at page boundaries, and therefore there can be misleading -hash nodes. Also, collisions in the fold value can lead to misleading -references. This function lazily fixes these imperfections in the hash -index. */ -static -void -btr_search_update_hash_ref( -/*=======================*/ - btr_search_t* info, /*!< in: search info */ - buf_block_t* block, /*!< in: buffer block where cursor positioned */ - btr_cur_t* cursor) /*!< in: cursor */ -{ - ulint fold; - rec_t* rec; - dulint index_id; - - ut_ad(cursor->flag == BTR_CUR_HASH_FAIL); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) - || rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(page_align(btr_cur_get_rec(cursor)) - == buf_block_get_frame(block)); - - if (!block->is_hashed) { - - return; - } - - ut_a(block->index == cursor->index); - ut_a(!dict_index_is_ibuf(cursor->index)); - - if ((info->n_hash_potential > 0) - && (block->curr_n_fields == info->n_fields) - && (block->curr_n_bytes == info->n_bytes) - && (block->curr_left_side == info->left_side)) { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - rec = btr_cur_get_rec(cursor); - - if (!page_rec_is_user_rec(rec)) { - - return; - } - - index_id = cursor->index->id; - fold = rec_fold(rec, - rec_get_offsets(rec, cursor->index, offsets_, - ULINT_UNDEFINED, &heap), - block->curr_n_fields, - block->curr_n_bytes, index_id); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - ha_insert_for_fold(btr_search_sys->hash_index, fold, - block, rec); - } -} - -/*********************************************************************//** -Updates the search info. */ -UNIV_INTERN -void -btr_search_info_update_slow( -/*========================*/ - btr_search_t* info, /*!< in/out: search info */ - btr_cur_t* cursor) /*!< in: cursor which was just positioned */ -{ - buf_block_t* block; - ibool build_index; - ulint* params; - ulint* params2; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - block = btr_cur_get_block(cursor); - - /* NOTE that the following two function calls do NOT protect - info or block->n_fields etc. with any semaphore, to save CPU time! - We cannot assume the fields are consistent when we return from - those functions! */ - - btr_search_info_update_hash(info, cursor); - - build_index = btr_search_update_block_hash_info(info, block, cursor); - - if (build_index || (cursor->flag == BTR_CUR_HASH_FAIL)) { - - btr_search_check_free_space_in_heap(); - } - - if (cursor->flag == BTR_CUR_HASH_FAIL) { - /* Update the hash node reference, if appropriate */ - -#ifdef UNIV_SEARCH_PERF_STAT - btr_search_n_hash_fail++; -#endif /* UNIV_SEARCH_PERF_STAT */ - - rw_lock_x_lock(&btr_search_latch); - - btr_search_update_hash_ref(info, block, cursor); - - rw_lock_x_unlock(&btr_search_latch); - } - - if (build_index) { - /* Note that since we did not protect block->n_fields etc. - with any semaphore, the values can be inconsistent. We have - to check inside the function call that they make sense. We - also malloc an array and store the values there to make sure - the compiler does not let the function call parameters change - inside the called function. It might be that the compiler - would optimize the call just to pass pointers to block. */ - - params = mem_alloc(3 * sizeof(ulint)); - params[0] = block->n_fields; - params[1] = block->n_bytes; - params[2] = block->left_side; - - /* Make sure the compiler cannot deduce the values and do - optimizations */ - - params2 = params + btr_search_this_is_zero; - - btr_search_build_page_hash_index(cursor->index, - block, - params2[0], - params2[1], - params2[2]); - mem_free(params); - } -} - -/******************************************************************//** -Checks if a guessed position for a tree cursor is right. Note that if -mode is PAGE_CUR_LE, which is used in inserts, and the function returns -TRUE, then cursor->up_match and cursor->low_match both have sensible values. -@return TRUE if success */ -static -ibool -btr_search_check_guess( -/*===================*/ - btr_cur_t* cursor, /*!< in: guessed cursor position */ - ibool can_only_compare_to_cursor_rec, - /*!< in: if we do not have a latch on the page - of cursor, but only a latch on - btr_search_latch, then ONLY the columns - of the record UNDER the cursor are - protected, not the next or previous record - in the chain: we cannot look at the next or - previous record to check our guess! */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint mode, /*!< in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G, - or PAGE_CUR_GE */ - mtr_t* mtr) /*!< in: mtr */ -{ - rec_t* rec; - ulint n_unique; - ulint match; - ulint bytes; - int cmp; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - ibool success = FALSE; - rec_offs_init(offsets_); - - n_unique = dict_index_get_n_unique_in_tree(cursor->index); - - rec = btr_cur_get_rec(cursor); - - ut_ad(page_rec_is_user_rec(rec)); - - match = 0; - bytes = 0; - - offsets = rec_get_offsets(rec, cursor->index, offsets, - n_unique, &heap); - cmp = page_cmp_dtuple_rec_with_match(tuple, rec, - offsets, &match, &bytes); - - if (mode == PAGE_CUR_GE) { - if (cmp == 1) { - goto exit_func; - } - - cursor->up_match = match; - - if (match >= n_unique) { - success = TRUE; - goto exit_func; - } - } else if (mode == PAGE_CUR_LE) { - if (cmp == -1) { - goto exit_func; - } - - cursor->low_match = match; - - } else if (mode == PAGE_CUR_G) { - if (cmp != -1) { - goto exit_func; - } - } else if (mode == PAGE_CUR_L) { - if (cmp != 1) { - goto exit_func; - } - } - - if (can_only_compare_to_cursor_rec) { - /* Since we could not determine if our guess is right just by - looking at the record under the cursor, return FALSE */ - goto exit_func; - } - - match = 0; - bytes = 0; - - if ((mode == PAGE_CUR_G) || (mode == PAGE_CUR_GE)) { - rec_t* prev_rec; - - ut_ad(!page_rec_is_infimum(rec)); - - prev_rec = page_rec_get_prev(rec); - - if (page_rec_is_infimum(prev_rec)) { - success = btr_page_get_prev(page_align(prev_rec), mtr) - == FIL_NULL; - - goto exit_func; - } - - offsets = rec_get_offsets(prev_rec, cursor->index, offsets, - n_unique, &heap); - cmp = page_cmp_dtuple_rec_with_match(tuple, prev_rec, - offsets, &match, &bytes); - if (mode == PAGE_CUR_GE) { - success = cmp == 1; - } else { - success = cmp != -1; - } - - goto exit_func; - } else { - rec_t* next_rec; - - ut_ad(!page_rec_is_supremum(rec)); - - next_rec = page_rec_get_next(rec); - - if (page_rec_is_supremum(next_rec)) { - if (btr_page_get_next(page_align(next_rec), mtr) - == FIL_NULL) { - - cursor->up_match = 0; - success = TRUE; - } - - goto exit_func; - } - - offsets = rec_get_offsets(next_rec, cursor->index, offsets, - n_unique, &heap); - cmp = page_cmp_dtuple_rec_with_match(tuple, next_rec, - offsets, &match, &bytes); - if (mode == PAGE_CUR_LE) { - success = cmp == -1; - cursor->up_match = match; - } else { - success = cmp != 1; - } - } -exit_func: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(success); -} - -/******************************************************************//** -Tries to guess the right search position based on the hash search info -of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, -and the function returns TRUE, then cursor->up_match and cursor->low_match -both have sensible values. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -btr_search_guess_on_hash( -/*=====================*/ - dict_index_t* index, /*!< in: index */ - btr_search_t* info, /*!< in: index search info */ - const dtuple_t* tuple, /*!< in: logical record */ - ulint mode, /*!< in: PAGE_CUR_L, ... */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ...; - NOTE that only if has_search_latch - is 0, we will have a latch set on - the cursor page, otherwise we assume - the caller uses his search latch - to protect the record! */ - btr_cur_t* cursor, /*!< out: tree cursor */ - ulint has_search_latch,/*!< in: latch mode the caller - currently has on btr_search_latch: - RW_S_LATCH, RW_X_LATCH, or 0 */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - rec_t* rec; - ulint fold; - dulint index_id; -#ifdef notdefined - btr_cur_t cursor2; - btr_pcur_t pcur; -#endif - ut_ad(index && info && tuple && cursor && mtr); - ut_ad((latch_mode == BTR_SEARCH_LEAF) - || (latch_mode == BTR_MODIFY_LEAF)); - - /* Note that, for efficiency, the struct info may not be protected by - any latch here! */ - - if (UNIV_UNLIKELY(info->n_hash_potential == 0)) { - - return(FALSE); - } - - cursor->n_fields = info->n_fields; - cursor->n_bytes = info->n_bytes; - - if (UNIV_UNLIKELY(dtuple_get_n_fields(tuple) - < cursor->n_fields + (cursor->n_bytes > 0))) { - - return(FALSE); - } - - index_id = index->id; - -#ifdef UNIV_SEARCH_PERF_STAT - info->n_hash_succ++; -#endif - fold = dtuple_fold(tuple, cursor->n_fields, cursor->n_bytes, index_id); - - cursor->fold = fold; - cursor->flag = BTR_CUR_HASH; - - if (UNIV_LIKELY(!has_search_latch)) { - rw_lock_s_lock(&btr_search_latch); - - if (UNIV_UNLIKELY(!btr_search_enabled)) { - goto failure_unlock; - } - } - - ut_ad(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_EX); - ut_ad(rw_lock_get_reader_count(&btr_search_latch) > 0); - - rec = ha_search_and_get_data(btr_search_sys->hash_index, fold); - - if (UNIV_UNLIKELY(!rec)) { - goto failure_unlock; - } - - block = buf_block_align(rec); - - if (UNIV_LIKELY(!has_search_latch)) { - - if (UNIV_UNLIKELY( - !buf_page_get_known_nowait(latch_mode, block, - BUF_MAKE_YOUNG, - __FILE__, __LINE__, - mtr))) { - goto failure_unlock; - } - - rw_lock_s_unlock(&btr_search_latch); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); - } - - if (UNIV_UNLIKELY(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE)) { - ut_ad(buf_block_get_state(block) == BUF_BLOCK_REMOVE_HASH); - - if (UNIV_LIKELY(!has_search_latch)) { - - btr_leaf_page_release(block, latch_mode, mtr); - } - - goto failure; - } - - ut_ad(page_rec_is_user_rec(rec)); - - btr_cur_position(index, rec, block, cursor); - - /* Check the validity of the guess within the page */ - - /* If we only have the latch on btr_search_latch, not on the - page, it only protects the columns of the record the cursor - is positioned on. We cannot look at the next of the previous - record to determine if our guess for the cursor position is - right. */ - if (UNIV_EXPECT - (ut_dulint_cmp(index_id, btr_page_get_index_id(block->frame)), 0) - || !btr_search_check_guess(cursor, - has_search_latch, - tuple, mode, mtr)) { - if (UNIV_LIKELY(!has_search_latch)) { - btr_leaf_page_release(block, latch_mode, mtr); - } - - goto failure; - } - - if (UNIV_LIKELY(info->n_hash_potential < BTR_SEARCH_BUILD_LIMIT + 5)) { - - info->n_hash_potential++; - } - -#ifdef notdefined - /* These lines of code can be used in a debug version to check - the correctness of the searched cursor position: */ - - info->last_hash_succ = FALSE; - - /* Currently, does not work if the following fails: */ - ut_ad(!has_search_latch); - - btr_leaf_page_release(block, latch_mode, mtr); - - btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, - &cursor2, 0, mtr); - if (mode == PAGE_CUR_GE - && page_rec_is_supremum(btr_cur_get_rec(&cursor2))) { - - /* If mode is PAGE_CUR_GE, then the binary search - in the index tree may actually take us to the supremum - of the previous page */ - - info->last_hash_succ = FALSE; - - btr_pcur_open_on_user_rec(index, tuple, mode, latch_mode, - &pcur, mtr); - ut_ad(btr_pcur_get_rec(&pcur) == btr_cur_get_rec(cursor)); - } else { - ut_ad(btr_cur_get_rec(&cursor2) == btr_cur_get_rec(cursor)); - } - - /* NOTE that it is theoretically possible that the above assertions - fail if the page of the cursor gets removed from the buffer pool - meanwhile! Thus it might not be a bug. */ -#endif - info->last_hash_succ = TRUE; - -#ifdef UNIV_SEARCH_PERF_STAT - btr_search_n_succ++; -#endif - if (UNIV_LIKELY(!has_search_latch) - && buf_page_peek_if_too_old(&block->page)) { - - buf_page_make_young(&block->page); - } - - /* Increment the page get statistics though we did not really - fix the page: for user info only */ - - buf_pool->stat.n_page_gets++; - - return(TRUE); - - /*-------------------------------------------*/ -failure_unlock: - if (UNIV_LIKELY(!has_search_latch)) { - rw_lock_s_unlock(&btr_search_latch); - } -failure: - cursor->flag = BTR_CUR_HASH_FAIL; - -#ifdef UNIV_SEARCH_PERF_STAT - info->n_hash_fail++; - - if (info->n_hash_succ > 0) { - info->n_hash_succ--; - } -#endif - info->last_hash_succ = FALSE; - - return(FALSE); -} - -/********************************************************************//** -Drops a page hash index. */ -UNIV_INTERN -void -btr_search_drop_page_hash_index( -/*============================*/ - buf_block_t* block) /*!< in: block containing index page, - s- or x-latched, or an index page - for which we know that - block->buf_fix_count == 0 */ -{ - hash_table_t* table; - ulint n_fields; - ulint n_bytes; - const page_t* page; - const rec_t* rec; - ulint fold; - ulint prev_fold; - dulint index_id; - ulint n_cached; - ulint n_recs; - ulint* folds; - ulint i; - mem_heap_t* heap; - const dict_index_t* index; - ulint* offsets; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - -retry: - rw_lock_s_lock(&btr_search_latch); - page = block->frame; - - if (UNIV_LIKELY(!block->is_hashed)) { - - rw_lock_s_unlock(&btr_search_latch); - - return; - } - - table = btr_search_sys->hash_index; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) - || rw_lock_own(&(block->lock), RW_LOCK_EX) - || (block->page.buf_fix_count == 0)); -#endif /* UNIV_SYNC_DEBUG */ - - n_fields = block->curr_n_fields; - n_bytes = block->curr_n_bytes; - index = block->index; - ut_a(!dict_index_is_ibuf(index)); - - /* NOTE: The fields of block must not be accessed after - releasing btr_search_latch, as the index page might only - be s-latched! */ - - rw_lock_s_unlock(&btr_search_latch); - - ut_a(n_fields + n_bytes > 0); - - n_recs = page_get_n_recs(page); - - /* Calculate and cache fold values into an array for fast deletion - from the hash index */ - - folds = mem_alloc(n_recs * sizeof(ulint)); - - n_cached = 0; - - rec = page_get_infimum_rec(page); - rec = page_rec_get_next_low(rec, page_is_comp(page)); - - index_id = btr_page_get_index_id(page); - - ut_a(0 == ut_dulint_cmp(index_id, index->id)); - - prev_fold = 0; - - heap = NULL; - offsets = NULL; - - while (!page_rec_is_supremum(rec)) { - offsets = rec_get_offsets(rec, index, offsets, - n_fields + (n_bytes > 0), &heap); - ut_a(rec_offs_n_fields(offsets) == n_fields + (n_bytes > 0)); - fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); - - if (fold == prev_fold && prev_fold != 0) { - - goto next_rec; - } - - /* Remove all hash nodes pointing to this page from the - hash chain */ - - folds[n_cached] = fold; - n_cached++; -next_rec: - rec = page_rec_get_next_low(rec, page_rec_is_comp(rec)); - prev_fold = fold; - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - rw_lock_x_lock(&btr_search_latch); - - if (UNIV_UNLIKELY(!block->is_hashed)) { - /* Someone else has meanwhile dropped the hash index */ - - goto cleanup; - } - - ut_a(block->index == index); - - if (UNIV_UNLIKELY(block->curr_n_fields != n_fields) - || UNIV_UNLIKELY(block->curr_n_bytes != n_bytes)) { - - /* Someone else has meanwhile built a new hash index on the - page, with different parameters */ - - rw_lock_x_unlock(&btr_search_latch); - - mem_free(folds); - goto retry; - } - - for (i = 0; i < n_cached; i++) { - - ha_remove_all_nodes_to_page(table, folds[i], page); - } - - ut_a(index->search_info->ref_count > 0); - index->search_info->ref_count--; - - block->is_hashed = FALSE; - block->index = NULL; - -cleanup: -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - if (UNIV_UNLIKELY(block->n_pointers)) { - /* Corruption */ - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Corruption of adaptive hash index." - " After dropping\n" - "InnoDB: the hash index to a page of %s," - " still %lu hash nodes remain.\n", - index->name, (ulong) block->n_pointers); - rw_lock_x_unlock(&btr_search_latch); - - btr_search_validate(); - } else { - rw_lock_x_unlock(&btr_search_latch); - } -#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - rw_lock_x_unlock(&btr_search_latch); -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - - mem_free(folds); -} - -/********************************************************************//** -Drops a page hash index when a page is freed from a fseg to the file system. -Drops possible hash index if the page happens to be in the buffer pool. */ -UNIV_INTERN -void -btr_search_drop_page_hash_when_freed( -/*=================================*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no) /*!< in: page number */ -{ - buf_block_t* block; - mtr_t mtr; - - if (!buf_page_peek_if_search_hashed(space, page_no)) { - - return; - } - - mtr_start(&mtr); - - /* We assume that if the caller has a latch on the page, then the - caller has already dropped the hash index for the page, and we never - get here. Therefore we can acquire the s-latch to the page without - having to fear a deadlock. */ - - block = buf_page_get_gen(space, zip_size, page_no, RW_S_LATCH, NULL, - BUF_GET_IF_IN_POOL, __FILE__, __LINE__, - &mtr); - /* Because the buffer pool mutex was released by - buf_page_peek_if_search_hashed(), it is possible that the - block was removed from the buffer pool by another thread - before buf_page_get_gen() got a chance to acquire the buffer - pool mutex again. Thus, we must check for a NULL return. */ - - if (UNIV_LIKELY(block != NULL)) { - - buf_block_dbg_add_level(block, SYNC_TREE_NODE_FROM_HASH); - - btr_search_drop_page_hash_index(block); - } - - mtr_commit(&mtr); -} - -/********************************************************************//** -Builds a hash index on a page with the given parameters. If the page already -has a hash index with different parameters, the old hash index is removed. -If index is non-NULL, this function checks if n_fields and n_bytes are -sensible values, and does not build a hash index if not. */ -static -void -btr_search_build_page_hash_index( -/*=============================*/ - dict_index_t* index, /*!< in: index for which to build */ - buf_block_t* block, /*!< in: index page, s- or x-latched */ - ulint n_fields,/*!< in: hash this many full fields */ - ulint n_bytes,/*!< in: hash this many bytes from the next - field */ - ibool left_side)/*!< in: hash for searches from left side? */ -{ - hash_table_t* table; - page_t* page; - rec_t* rec; - rec_t* next_rec; - ulint fold; - ulint next_fold; - dulint index_id; - ulint n_cached; - ulint n_recs; - ulint* folds; - rec_t** recs; - ulint i; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(index); - ut_a(!dict_index_is_ibuf(index)); - - table = btr_search_sys->hash_index; - page = buf_block_get_frame(block); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) - || rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - rw_lock_s_lock(&btr_search_latch); - - if (block->is_hashed && ((block->curr_n_fields != n_fields) - || (block->curr_n_bytes != n_bytes) - || (block->curr_left_side != left_side))) { - - rw_lock_s_unlock(&btr_search_latch); - - btr_search_drop_page_hash_index(block); - } else { - rw_lock_s_unlock(&btr_search_latch); - } - - n_recs = page_get_n_recs(page); - - if (n_recs == 0) { - - return; - } - - /* Check that the values for hash index build are sensible */ - - if (n_fields + n_bytes == 0) { - - return; - } - - if (dict_index_get_n_unique_in_tree(index) < n_fields - || (dict_index_get_n_unique_in_tree(index) == n_fields - && n_bytes > 0)) { - return; - } - - /* Calculate and cache fold values and corresponding records into - an array for fast insertion to the hash index */ - - folds = mem_alloc(n_recs * sizeof(ulint)); - recs = mem_alloc(n_recs * sizeof(rec_t*)); - - n_cached = 0; - - index_id = btr_page_get_index_id(page); - - rec = page_rec_get_next(page_get_infimum_rec(page)); - - offsets = rec_get_offsets(rec, index, offsets, - n_fields + (n_bytes > 0), &heap); - - if (!page_rec_is_supremum(rec)) { - ut_a(n_fields <= rec_offs_n_fields(offsets)); - - if (n_bytes > 0) { - ut_a(n_fields < rec_offs_n_fields(offsets)); - } - } - - fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); - - if (left_side) { - - folds[n_cached] = fold; - recs[n_cached] = rec; - n_cached++; - } - - for (;;) { - next_rec = page_rec_get_next(rec); - - if (page_rec_is_supremum(next_rec)) { - - if (!left_side) { - - folds[n_cached] = fold; - recs[n_cached] = rec; - n_cached++; - } - - break; - } - - offsets = rec_get_offsets(next_rec, index, offsets, - n_fields + (n_bytes > 0), &heap); - next_fold = rec_fold(next_rec, offsets, n_fields, - n_bytes, index_id); - - if (fold != next_fold) { - /* Insert an entry into the hash index */ - - if (left_side) { - - folds[n_cached] = next_fold; - recs[n_cached] = next_rec; - n_cached++; - } else { - folds[n_cached] = fold; - recs[n_cached] = rec; - n_cached++; - } - } - - rec = next_rec; - fold = next_fold; - } - - btr_search_check_free_space_in_heap(); - - rw_lock_x_lock(&btr_search_latch); - - if (UNIV_UNLIKELY(!btr_search_enabled)) { - goto exit_func; - } - - if (block->is_hashed && ((block->curr_n_fields != n_fields) - || (block->curr_n_bytes != n_bytes) - || (block->curr_left_side != left_side))) { - goto exit_func; - } - - /* This counter is decremented every time we drop page - hash index entries and is incremented here. Since we can - rebuild hash index for a page that is already hashed, we - have to take care not to increment the counter in that - case. */ - if (!block->is_hashed) { - index->search_info->ref_count++; - } - - block->is_hashed = TRUE; - block->n_hash_helps = 0; - - block->curr_n_fields = n_fields; - block->curr_n_bytes = n_bytes; - block->curr_left_side = left_side; - block->index = index; - - for (i = 0; i < n_cached; i++) { - - ha_insert_for_fold(table, folds[i], block, recs[i]); - } - -exit_func: - rw_lock_x_unlock(&btr_search_latch); - - mem_free(folds); - mem_free(recs); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/********************************************************************//** -Moves or deletes hash entries for moved records. If new_page is already hashed, -then the hash index for page, if any, is dropped. If new_page is not hashed, -and page is hashed, then a new hash index is built to new_page with the same -parameters as page (this often happens when a page is split). */ -UNIV_INTERN -void -btr_search_move_or_delete_hash_entries( -/*===================================*/ - buf_block_t* new_block, /*!< in: records are copied - to this page */ - buf_block_t* block, /*!< in: index page from which - records were copied, and the - copied records will be deleted - from this page */ - dict_index_t* index) /*!< in: record descriptor */ -{ - ulint n_fields; - ulint n_bytes; - ibool left_side; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); - ut_ad(rw_lock_own(&(new_block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_a(!new_block->is_hashed || new_block->index == index); - ut_a(!block->is_hashed || block->index == index); - ut_a(!(new_block->is_hashed || block->is_hashed) - || !dict_index_is_ibuf(index)); - - rw_lock_s_lock(&btr_search_latch); - - if (new_block->is_hashed) { - - rw_lock_s_unlock(&btr_search_latch); - - btr_search_drop_page_hash_index(block); - - return; - } - - if (block->is_hashed) { - - n_fields = block->curr_n_fields; - n_bytes = block->curr_n_bytes; - left_side = block->curr_left_side; - - new_block->n_fields = block->curr_n_fields; - new_block->n_bytes = block->curr_n_bytes; - new_block->left_side = left_side; - - rw_lock_s_unlock(&btr_search_latch); - - ut_a(n_fields + n_bytes > 0); - - btr_search_build_page_hash_index(index, new_block, n_fields, - n_bytes, left_side); - ut_ad(n_fields == block->curr_n_fields); - ut_ad(n_bytes == block->curr_n_bytes); - ut_ad(left_side == block->curr_left_side); - return; - } - - rw_lock_s_unlock(&btr_search_latch); -} - -/********************************************************************//** -Updates the page hash index when a single record is deleted from a page. */ -UNIV_INTERN -void -btr_search_update_hash_on_delete( -/*=============================*/ - btr_cur_t* cursor) /*!< in: cursor which was positioned on the - record to delete using btr_cur_search_..., - the record is not yet deleted */ -{ - hash_table_t* table; - buf_block_t* block; - rec_t* rec; - ulint fold; - dulint index_id; - ibool found; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - mem_heap_t* heap = NULL; - rec_offs_init(offsets_); - - rec = btr_cur_get_rec(cursor); - - block = btr_cur_get_block(cursor); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - if (!block->is_hashed) { - - return; - } - - ut_a(block->index == cursor->index); - ut_a(block->curr_n_fields + block->curr_n_bytes > 0); - ut_a(!dict_index_is_ibuf(cursor->index)); - - table = btr_search_sys->hash_index; - - index_id = cursor->index->id; - fold = rec_fold(rec, rec_get_offsets(rec, cursor->index, offsets_, - ULINT_UNDEFINED, &heap), - block->curr_n_fields, block->curr_n_bytes, index_id); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - rw_lock_x_lock(&btr_search_latch); - - found = ha_search_and_delete_if_found(table, fold, rec); - - rw_lock_x_unlock(&btr_search_latch); -} - -/********************************************************************//** -Updates the page hash index when a single record is inserted on a page. */ -UNIV_INTERN -void -btr_search_update_hash_node_on_insert( -/*==================================*/ - btr_cur_t* cursor) /*!< in: cursor which was positioned to the - place to insert using btr_cur_search_..., - and the new record has been inserted next - to the cursor */ -{ - hash_table_t* table; - buf_block_t* block; - rec_t* rec; - - rec = btr_cur_get_rec(cursor); - - block = btr_cur_get_block(cursor); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - if (!block->is_hashed) { - - return; - } - - ut_a(block->index == cursor->index); - ut_a(!dict_index_is_ibuf(cursor->index)); - - rw_lock_x_lock(&btr_search_latch); - - if ((cursor->flag == BTR_CUR_HASH) - && (cursor->n_fields == block->curr_n_fields) - && (cursor->n_bytes == block->curr_n_bytes) - && !block->curr_left_side) { - - table = btr_search_sys->hash_index; - - ha_search_and_update_if_found(table, cursor->fold, rec, - block, page_rec_get_next(rec)); - - rw_lock_x_unlock(&btr_search_latch); - } else { - rw_lock_x_unlock(&btr_search_latch); - - btr_search_update_hash_on_insert(cursor); - } -} - -/********************************************************************//** -Updates the page hash index when a single record is inserted on a page. */ -UNIV_INTERN -void -btr_search_update_hash_on_insert( -/*=============================*/ - btr_cur_t* cursor) /*!< in: cursor which was positioned to the - place to insert using btr_cur_search_..., - and the new record has been inserted next - to the cursor */ -{ - hash_table_t* table; - buf_block_t* block; - rec_t* rec; - rec_t* ins_rec; - rec_t* next_rec; - dulint index_id; - ulint fold; - ulint ins_fold; - ulint next_fold = 0; /* remove warning (??? bug ???) */ - ulint n_fields; - ulint n_bytes; - ibool left_side; - ibool locked = FALSE; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - table = btr_search_sys->hash_index; - - btr_search_check_free_space_in_heap(); - - rec = btr_cur_get_rec(cursor); - - block = btr_cur_get_block(cursor); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - if (!block->is_hashed) { - - return; - } - - ut_a(block->index == cursor->index); - ut_a(!dict_index_is_ibuf(cursor->index)); - - index_id = cursor->index->id; - - n_fields = block->curr_n_fields; - n_bytes = block->curr_n_bytes; - left_side = block->curr_left_side; - - ins_rec = page_rec_get_next(rec); - next_rec = page_rec_get_next(ins_rec); - - offsets = rec_get_offsets(ins_rec, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - ins_fold = rec_fold(ins_rec, offsets, n_fields, n_bytes, index_id); - - if (!page_rec_is_supremum(next_rec)) { - offsets = rec_get_offsets(next_rec, cursor->index, offsets, - n_fields + (n_bytes > 0), &heap); - next_fold = rec_fold(next_rec, offsets, n_fields, - n_bytes, index_id); - } - - if (!page_rec_is_infimum(rec)) { - offsets = rec_get_offsets(rec, cursor->index, offsets, - n_fields + (n_bytes > 0), &heap); - fold = rec_fold(rec, offsets, n_fields, n_bytes, index_id); - } else { - if (left_side) { - - rw_lock_x_lock(&btr_search_latch); - - locked = TRUE; - - ha_insert_for_fold(table, ins_fold, block, ins_rec); - } - - goto check_next_rec; - } - - if (fold != ins_fold) { - - if (!locked) { - - rw_lock_x_lock(&btr_search_latch); - - locked = TRUE; - } - - if (!left_side) { - ha_insert_for_fold(table, fold, block, rec); - } else { - ha_insert_for_fold(table, ins_fold, block, ins_rec); - } - } - -check_next_rec: - if (page_rec_is_supremum(next_rec)) { - - if (!left_side) { - - if (!locked) { - rw_lock_x_lock(&btr_search_latch); - - locked = TRUE; - } - - ha_insert_for_fold(table, ins_fold, block, ins_rec); - } - - goto function_exit; - } - - if (ins_fold != next_fold) { - - if (!locked) { - - rw_lock_x_lock(&btr_search_latch); - - locked = TRUE; - } - - if (!left_side) { - - ha_insert_for_fold(table, ins_fold, block, ins_rec); - /* - fputs("Hash insert for ", stderr); - dict_index_name_print(stderr, cursor->index); - fprintf(stderr, " fold %lu\n", ins_fold); - */ - } else { - ha_insert_for_fold(table, next_fold, block, next_rec); - } - } - -function_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - if (locked) { - rw_lock_x_unlock(&btr_search_latch); - } -} - -/********************************************************************//** -Validates the search system. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_search_validate(void) -/*=====================*/ -{ - ha_node_t* node; - ulint n_page_dumps = 0; - ibool ok = TRUE; - ulint i; - ulint cell_count; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - - /* How many cells to check before temporarily releasing - btr_search_latch. */ - ulint chunk_size = 10000; - - rec_offs_init(offsets_); - - rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); - - cell_count = hash_get_n_cells(btr_search_sys->hash_index); - - for (i = 0; i < cell_count; i++) { - /* We release btr_search_latch every once in a while to - give other queries a chance to run. */ - if ((i != 0) && ((i % chunk_size) == 0)) { - buf_pool_mutex_exit(); - rw_lock_x_unlock(&btr_search_latch); - os_thread_yield(); - rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); - } - - node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node; - - for (; node != NULL; node = node->next) { - const buf_block_t* block - = buf_block_align(node->data); - const buf_block_t* hash_block; - - if (UNIV_LIKELY(buf_block_get_state(block) - == BUF_BLOCK_FILE_PAGE)) { - - /* The space and offset are only valid - for file blocks. It is possible that - the block is being freed - (BUF_BLOCK_REMOVE_HASH, see the - assertion and the comment below) */ - hash_block = buf_block_hash_get( - buf_block_get_space(block), - buf_block_get_page_no(block)); - } else { - hash_block = NULL; - } - - if (hash_block) { - ut_a(hash_block == block); - } else { - /* When a block is being freed, - buf_LRU_search_and_free_block() first - removes the block from - buf_pool->page_hash by calling - buf_LRU_block_remove_hashed_page(). - After that, it invokes - btr_search_drop_page_hash_index() to - remove the block from - btr_search_sys->hash_index. */ - - ut_a(buf_block_get_state(block) - == BUF_BLOCK_REMOVE_HASH); - } - - ut_a(!dict_index_is_ibuf(block->index)); - - offsets = rec_get_offsets((const rec_t*) node->data, - block->index, offsets, - block->curr_n_fields - + (block->curr_n_bytes > 0), - &heap); - - if (!block->is_hashed || node->fold - != rec_fold((rec_t*)(node->data), - offsets, - block->curr_n_fields, - block->curr_n_bytes, - btr_page_get_index_id(block->frame))) { - const page_t* page = block->frame; - - ok = FALSE; - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error in an adaptive hash" - " index pointer to page %lu\n" - "InnoDB: ptr mem address %p" - " index id %lu %lu," - " node fold %lu, rec fold %lu\n", - (ulong) page_get_page_no(page), - node->data, - (ulong) ut_dulint_get_high( - btr_page_get_index_id(page)), - (ulong) ut_dulint_get_low( - btr_page_get_index_id(page)), - (ulong) node->fold, - (ulong) rec_fold((rec_t*)(node->data), - offsets, - block->curr_n_fields, - block->curr_n_bytes, - btr_page_get_index_id( - page))); - - fputs("InnoDB: Record ", stderr); - rec_print_new(stderr, (rec_t*)node->data, - offsets); - fprintf(stderr, "\nInnoDB: on that page." - " Page mem address %p, is hashed %lu," - " n fields %lu, n bytes %lu\n" - "InnoDB: side %lu\n", - (void*) page, (ulong) block->is_hashed, - (ulong) block->curr_n_fields, - (ulong) block->curr_n_bytes, - (ulong) block->curr_left_side); - - if (n_page_dumps < 20) { - buf_page_print(page, 0); - n_page_dumps++; - } - } - } - } - - for (i = 0; i < cell_count; i += chunk_size) { - ulint end_index = ut_min(i + chunk_size - 1, cell_count - 1); - - /* We release btr_search_latch every once in a while to - give other queries a chance to run. */ - if (i != 0) { - buf_pool_mutex_exit(); - rw_lock_x_unlock(&btr_search_latch); - os_thread_yield(); - rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); - } - - if (!ha_validate(btr_search_sys->hash_index, i, end_index)) { - ok = FALSE; - } - } - - buf_pool_mutex_exit(); - rw_lock_x_unlock(&btr_search_latch); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - return(ok); -} diff --git a/perfschema/buf/buf0buddy.c b/perfschema/buf/buf0buddy.c deleted file mode 100644 index 55b3995a3af..00000000000 --- a/perfschema/buf/buf0buddy.c +++ /dev/null @@ -1,696 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file buf/buf0buddy.c -Binary buddy allocator for compressed pages - -Created December 2006 by Marko Makela -*******************************************************/ - -#define THIS_MODULE -#include "buf0buddy.h" -#ifdef UNIV_NONINL -# include "buf0buddy.ic" -#endif -#undef THIS_MODULE -#include "buf0buf.h" -#include "buf0lru.h" -#include "buf0flu.h" -#include "page0zip.h" - -/* Statistic counters */ - -#ifdef UNIV_DEBUG -/** Number of frames allocated from the buffer pool to the buddy system. -Protected by buf_pool_mutex. */ -static ulint buf_buddy_n_frames; -#endif /* UNIV_DEBUG */ -/** Statistics of the buddy system, indexed by block size. -Protected by buf_pool_mutex. */ -UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; - -/**********************************************************************//** -Get the offset of the buddy of a compressed page frame. -@return the buddy relative of page */ -UNIV_INLINE -byte* -buf_buddy_get( -/*==========*/ - byte* page, /*!< in: compressed page */ - ulint size) /*!< in: page size in bytes */ -{ - ut_ad(ut_is_2pow(size)); - ut_ad(size >= BUF_BUDDY_LOW); - ut_ad(size < BUF_BUDDY_HIGH); - ut_ad(!ut_align_offset(page, size)); - - if (((ulint) page) & size) { - return(page - size); - } else { - return(page + size); - } -} - -/**********************************************************************//** -Add a block to the head of the appropriate buddy free list. */ -UNIV_INLINE -void -buf_buddy_add_to_free( -/*==================*/ - buf_page_t* bpage, /*!< in,own: block to be freed */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ -{ -#ifdef UNIV_DEBUG_VALGRIND - buf_page_t* b = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); - - if (b) UNIV_MEM_VALID(b, BUF_BUDDY_LOW << i); -#endif /* UNIV_DEBUG_VALGRIND */ - - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); - ut_ad(buf_pool->zip_free[i].start != bpage); - UT_LIST_ADD_FIRST(list, buf_pool->zip_free[i], bpage); - -#ifdef UNIV_DEBUG_VALGRIND - if (b) UNIV_MEM_FREE(b, BUF_BUDDY_LOW << i); - UNIV_MEM_ASSERT_AND_FREE(bpage, BUF_BUDDY_LOW << i); -#endif /* UNIV_DEBUG_VALGRIND */ -} - -/**********************************************************************//** -Remove a block from the appropriate buddy free list. */ -UNIV_INLINE -void -buf_buddy_remove_from_free( -/*=======================*/ - buf_page_t* bpage, /*!< in: block to be removed */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ -{ -#ifdef UNIV_DEBUG_VALGRIND - buf_page_t* prev = UT_LIST_GET_PREV(list, bpage); - buf_page_t* next = UT_LIST_GET_NEXT(list, bpage); - - if (prev) UNIV_MEM_VALID(prev, BUF_BUDDY_LOW << i); - if (next) UNIV_MEM_VALID(next, BUF_BUDDY_LOW << i); - - ut_ad(!prev || buf_page_get_state(prev) == BUF_BLOCK_ZIP_FREE); - ut_ad(!next || buf_page_get_state(next) == BUF_BLOCK_ZIP_FREE); -#endif /* UNIV_DEBUG_VALGRIND */ - - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); - UT_LIST_REMOVE(list, buf_pool->zip_free[i], bpage); - -#ifdef UNIV_DEBUG_VALGRIND - if (prev) UNIV_MEM_FREE(prev, BUF_BUDDY_LOW << i); - if (next) UNIV_MEM_FREE(next, BUF_BUDDY_LOW << i); -#endif /* UNIV_DEBUG_VALGRIND */ -} - -/**********************************************************************//** -Try to allocate a block from buf_pool->zip_free[]. -@return allocated block, or NULL if buf_pool->zip_free[] was empty */ -static -void* -buf_buddy_alloc_zip( -/*================*/ - ulint i) /*!< in: index of buf_pool->zip_free[] */ -{ - buf_page_t* bpage; - - ut_ad(buf_pool_mutex_own()); - ut_a(i < BUF_BUDDY_SIZES); - -#ifndef UNIV_DEBUG_VALGRIND - /* Valgrind would complain about accessing free memory. */ - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], - ut_ad(buf_page_get_state(ut_list_node_313) - == BUF_BLOCK_ZIP_FREE))); -#endif /* !UNIV_DEBUG_VALGRIND */ - bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); - - if (bpage) { - UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); - ut_a(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); - - buf_buddy_remove_from_free(bpage, i); - } else if (i + 1 < BUF_BUDDY_SIZES) { - /* Attempt to split. */ - bpage = buf_buddy_alloc_zip(i + 1); - - if (bpage) { - buf_page_t* buddy = (buf_page_t*) - (((char*) bpage) + (BUF_BUDDY_LOW << i)); - - ut_ad(!buf_pool_contains_zip(buddy)); - ut_d(memset(buddy, i, BUF_BUDDY_LOW << i)); - buddy->state = BUF_BLOCK_ZIP_FREE; - buf_buddy_add_to_free(buddy, i); - } - } - -#ifdef UNIV_DEBUG - if (bpage) { - memset(bpage, ~i, BUF_BUDDY_LOW << i); - } -#endif /* UNIV_DEBUG */ - - UNIV_MEM_ALLOC(bpage, BUF_BUDDY_SIZES << i); - - return(bpage); -} - -/**********************************************************************//** -Deallocate a buffer frame of UNIV_PAGE_SIZE. */ -static -void -buf_buddy_block_free( -/*=================*/ - void* buf) /*!< in: buffer frame to deallocate */ -{ - const ulint fold = BUF_POOL_ZIP_FOLD_PTR(buf); - buf_page_t* bpage; - buf_block_t* block; - - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - ut_a(!ut_align_offset(buf, UNIV_PAGE_SIZE)); - - HASH_SEARCH(hash, buf_pool->zip_hash, fold, buf_page_t*, bpage, - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY - && bpage->in_zip_hash && !bpage->in_page_hash), - ((buf_block_t*) bpage)->frame == buf); - ut_a(bpage); - ut_a(buf_page_get_state(bpage) == BUF_BLOCK_MEMORY); - ut_ad(!bpage->in_page_hash); - ut_ad(bpage->in_zip_hash); - ut_d(bpage->in_zip_hash = FALSE); - HASH_DELETE(buf_page_t, hash, buf_pool->zip_hash, fold, bpage); - - ut_d(memset(buf, 0, UNIV_PAGE_SIZE)); - UNIV_MEM_INVALID(buf, UNIV_PAGE_SIZE); - - block = (buf_block_t*) bpage; - mutex_enter(&block->mutex); - buf_LRU_block_free_non_file_page(block); - mutex_exit(&block->mutex); - - ut_ad(buf_buddy_n_frames > 0); - ut_d(buf_buddy_n_frames--); -} - -/**********************************************************************//** -Allocate a buffer block to the buddy allocator. */ -static -void -buf_buddy_block_register( -/*=====================*/ - buf_block_t* block) /*!< in: buffer frame to allocate */ -{ - const ulint fold = BUF_POOL_ZIP_FOLD(block); - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - ut_ad(buf_block_get_state(block) == BUF_BLOCK_READY_FOR_USE); - - buf_block_set_state(block, BUF_BLOCK_MEMORY); - - ut_a(block->frame); - ut_a(!ut_align_offset(block->frame, UNIV_PAGE_SIZE)); - - ut_ad(!block->page.in_page_hash); - ut_ad(!block->page.in_zip_hash); - ut_d(block->page.in_zip_hash = TRUE); - HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); - - ut_d(buf_buddy_n_frames++); -} - -/**********************************************************************//** -Allocate a block from a bigger object. -@return allocated block */ -static -void* -buf_buddy_alloc_from( -/*=================*/ - void* buf, /*!< in: a block that is free to use */ - ulint i, /*!< in: index of buf_pool->zip_free[] */ - ulint j) /*!< in: size of buf as an index - of buf_pool->zip_free[] */ -{ - ulint offs = BUF_BUDDY_LOW << j; - ut_ad(j <= BUF_BUDDY_SIZES); - ut_ad(j >= i); - ut_ad(!ut_align_offset(buf, offs)); - - /* Add the unused parts of the block to the free lists. */ - while (j > i) { - buf_page_t* bpage; - - offs >>= 1; - j--; - - bpage = (buf_page_t*) ((byte*) buf + offs); - ut_d(memset(bpage, j, BUF_BUDDY_LOW << j)); - bpage->state = BUF_BLOCK_ZIP_FREE; -#ifndef UNIV_DEBUG_VALGRIND - /* Valgrind would complain about accessing free memory. */ - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], - ut_ad(buf_page_get_state( - ut_list_node_313) - == BUF_BLOCK_ZIP_FREE))); -#endif /* !UNIV_DEBUG_VALGRIND */ - buf_buddy_add_to_free(bpage, j); - } - - return(buf); -} - -/**********************************************************************//** -Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. -@return allocated block, possibly NULL if lru==NULL */ -UNIV_INTERN -void* -buf_buddy_alloc_low( -/*================*/ - ulint i, /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ -{ - buf_block_t* block; - - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - - if (i < BUF_BUDDY_SIZES) { - /* Try to allocate from the buddy system. */ - block = buf_buddy_alloc_zip(i); - - if (block) { - - goto func_exit; - } - } - - /* Try allocating from the buf_pool->free list. */ - block = buf_LRU_get_free_only(); - - if (block) { - - goto alloc_big; - } - - if (!lru) { - - return(NULL); - } - - /* Try replacing an uncompressed page in the buffer pool. */ - buf_pool_mutex_exit(); - block = buf_LRU_get_free_block(0); - *lru = TRUE; - buf_pool_mutex_enter(); - -alloc_big: - buf_buddy_block_register(block); - - block = buf_buddy_alloc_from(block->frame, i, BUF_BUDDY_SIZES); - -func_exit: - buf_buddy_stat[i].used++; - return(block); -} - -/**********************************************************************//** -Try to relocate the control block of a compressed page. -@return TRUE if relocated */ -static -ibool -buf_buddy_relocate_block( -/*=====================*/ - buf_page_t* bpage, /*!< in: block to relocate */ - buf_page_t* dpage) /*!< in: free block to relocate to */ -{ - buf_page_t* b; - - ut_ad(buf_pool_mutex_own()); - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_FILE_PAGE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - case BUF_BLOCK_ZIP_DIRTY: - /* Cannot relocate dirty pages. */ - return(FALSE); - - case BUF_BLOCK_ZIP_PAGE: - break; - } - - mutex_enter(&buf_pool_zip_mutex); - - if (!buf_page_can_relocate(bpage)) { - mutex_exit(&buf_pool_zip_mutex); - return(FALSE); - } - - buf_relocate(bpage, dpage); - ut_d(bpage->state = BUF_BLOCK_ZIP_FREE); - - /* relocate buf_pool->zip_clean */ - b = UT_LIST_GET_PREV(list, dpage); - UT_LIST_REMOVE(list, buf_pool->zip_clean, dpage); - - if (b) { - UT_LIST_INSERT_AFTER(list, buf_pool->zip_clean, b, dpage); - } else { - UT_LIST_ADD_FIRST(list, buf_pool->zip_clean, dpage); - } - - UNIV_MEM_INVALID(bpage, sizeof *bpage); - - mutex_exit(&buf_pool_zip_mutex); - return(TRUE); -} - -/**********************************************************************//** -Try to relocate a block. -@return TRUE if relocated */ -static -ibool -buf_buddy_relocate( -/*===============*/ - void* src, /*!< in: block to relocate */ - void* dst, /*!< in: free block to relocate to */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ -{ - buf_page_t* bpage; - const ulint size = BUF_BUDDY_LOW << i; - ullint usec = ut_time_us(NULL); - - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - ut_ad(!ut_align_offset(src, size)); - ut_ad(!ut_align_offset(dst, size)); - UNIV_MEM_ASSERT_W(dst, size); - - /* We assume that all memory from buf_buddy_alloc() - is used for either compressed pages or buf_page_t - objects covering compressed pages. */ - - /* We look inside the allocated objects returned by - buf_buddy_alloc() and assume that anything of - PAGE_ZIP_MIN_SIZE or larger is a compressed page that contains - a valid space_id and page_no in the page header. Should the - fields be invalid, we will be unable to relocate the block. - We also assume that anything that fits sizeof(buf_page_t) - actually is a properly initialized buf_page_t object. */ - - if (size >= PAGE_ZIP_MIN_SIZE) { - /* This is a compressed page. */ - mutex_t* mutex; - - /* The src block may be split into smaller blocks, - some of which may be free. Thus, the - mach_read_from_4() calls below may attempt to read - from free memory. The memory is "owned" by the buddy - allocator (and it has been allocated from the buffer - pool), so there is nothing wrong about this. The - mach_read_from_4() calls here will only trigger bogus - Valgrind memcheck warnings in UNIV_DEBUG_VALGRIND builds. */ - bpage = buf_page_hash_get( - mach_read_from_4((const byte*) src - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID), - mach_read_from_4((const byte*) src - + FIL_PAGE_OFFSET)); - - if (!bpage || bpage->zip.data != src) { - /* The block has probably been freshly - allocated by buf_LRU_get_free_block() but not - added to buf_pool->page_hash yet. Obviously, - it cannot be relocated. */ - - return(FALSE); - } - - ut_ad(!buf_pool_watch_is(bpage)); - - if (page_zip_get_size(&bpage->zip) != size) { - /* The block is of different size. We would - have to relocate all blocks covered by src. - For the sake of simplicity, give up. */ - ut_ad(page_zip_get_size(&bpage->zip) < size); - - return(FALSE); - } - - /* The block must have been allocated, but it may - contain uninitialized data. */ - UNIV_MEM_ASSERT_W(src, size); - - mutex = buf_page_get_mutex(bpage); - - mutex_enter(mutex); - - if (buf_page_can_relocate(bpage)) { - /* Relocate the compressed page. */ - ut_a(bpage->zip.data == src); - memcpy(dst, src, size); - bpage->zip.data = dst; - mutex_exit(mutex); -success: - UNIV_MEM_INVALID(src, size); - { - buf_buddy_stat_t* buddy_stat - = &buf_buddy_stat[i]; - buddy_stat->relocated++; - buddy_stat->relocated_usec - += ut_time_us(NULL) - usec; - } - return(TRUE); - } - - mutex_exit(mutex); - } else if (i == buf_buddy_get_slot(sizeof(buf_page_t))) { - /* This must be a buf_page_t object. */ - UNIV_MEM_ASSERT_RW(src, size); - if (buf_buddy_relocate_block(src, dst)) { - - goto success; - } - } - - return(FALSE); -} - -/**********************************************************************//** -Deallocate a block. */ -UNIV_INTERN -void -buf_buddy_free_low( -/*===============*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint i) /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ -{ - buf_page_t* bpage; - buf_page_t* buddy; - - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); - ut_ad(i <= BUF_BUDDY_SIZES); - ut_ad(buf_buddy_stat[i].used > 0); - - buf_buddy_stat[i].used--; -recombine: - UNIV_MEM_ASSERT_AND_ALLOC(buf, BUF_BUDDY_LOW << i); - ut_d(((buf_page_t*) buf)->state = BUF_BLOCK_ZIP_FREE); - - if (i == BUF_BUDDY_SIZES) { - buf_buddy_block_free(buf); - return; - } - - ut_ad(i < BUF_BUDDY_SIZES); - ut_ad(buf == ut_align_down(buf, BUF_BUDDY_LOW << i)); - ut_ad(!buf_pool_contains_zip(buf)); - - /* Try to combine adjacent blocks. */ - - buddy = (buf_page_t*) buf_buddy_get(((byte*) buf), BUF_BUDDY_LOW << i); - -#ifndef UNIV_DEBUG_VALGRIND - /* Valgrind would complain about accessing free memory. */ - - if (buddy->state != BUF_BLOCK_ZIP_FREE) { - - goto buddy_nonfree; - } - - /* The field buddy->state can only be trusted for free blocks. - If buddy->state == BUF_BLOCK_ZIP_FREE, the block is free if - it is in the free list. */ -#endif /* !UNIV_DEBUG_VALGRIND */ - - for (bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); bpage; ) { - UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); - - if (bpage == buddy) { -buddy_free: - /* The buddy is free: recombine */ - buf_buddy_remove_from_free(bpage, i); -buddy_free2: - ut_ad(buf_page_get_state(buddy) == BUF_BLOCK_ZIP_FREE); - ut_ad(!buf_pool_contains_zip(buddy)); - i++; - buf = ut_align_down(buf, BUF_BUDDY_LOW << i); - - goto recombine; - } - - ut_a(bpage != buf); - - { - buf_page_t* next = UT_LIST_GET_NEXT(list, bpage); - UNIV_MEM_ASSERT_AND_FREE(bpage, BUF_BUDDY_LOW << i); - bpage = next; - } - } - -#ifndef UNIV_DEBUG_VALGRIND -buddy_nonfree: - /* Valgrind would complain about accessing free memory. */ - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], - ut_ad(buf_page_get_state(ut_list_node_313) - == BUF_BLOCK_ZIP_FREE))); -#endif /* UNIV_DEBUG_VALGRIND */ - - /* The buddy is not free. Is there a free block of this size? */ - bpage = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); - - if (bpage) { - /* Remove the block from the free list, because a successful - buf_buddy_relocate() will overwrite bpage->list. */ - - UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); - buf_buddy_remove_from_free(bpage, i); - - /* Try to relocate the buddy of buf to the free block. */ - if (buf_buddy_relocate(buddy, bpage, i)) { - - ut_d(buddy->state = BUF_BLOCK_ZIP_FREE); - goto buddy_free2; - } - - buf_buddy_add_to_free(bpage, i); - - /* Try to relocate the buddy of the free block to buf. */ - buddy = (buf_page_t*) buf_buddy_get(((byte*) bpage), - BUF_BUDDY_LOW << i); - -#ifndef UNIV_DEBUG_VALGRIND - /* Valgrind would complain about accessing free memory. */ - - /* The buddy must not be (completely) free, because we - always recombine adjacent free blocks. - - (Parts of the buddy can be free in - buf_pool->zip_free[j] with j < i.) */ - ut_d(UT_LIST_VALIDATE(list, buf_page_t, buf_pool->zip_free[i], - ut_ad(buf_page_get_state( - ut_list_node_313) - == BUF_BLOCK_ZIP_FREE - && ut_list_node_313 != buddy))); -#endif /* !UNIV_DEBUG_VALGRIND */ - - if (buf_buddy_relocate(buddy, buf, i)) { - - buf = bpage; - UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); - ut_d(buddy->state = BUF_BLOCK_ZIP_FREE); - goto buddy_free; - } - } - - /* Free the block to the buddy list. */ - bpage = buf; -#ifdef UNIV_DEBUG - if (i < buf_buddy_get_slot(PAGE_ZIP_MIN_SIZE)) { - /* This area has most likely been allocated for at - least one compressed-only block descriptor. Check - that there are no live objects in the area. This is - not a complete check: it may yield false positives as - well as false negatives. Also, due to buddy blocks - being recombined, it is possible (although unlikely) - that this branch is never reached. */ - - char* c; - -# ifndef UNIV_DEBUG_VALGRIND - /* Valgrind would complain about accessing - uninitialized memory. Besides, Valgrind performs a - more exhaustive check, at every memory access. */ - const buf_page_t* b = buf; - const buf_page_t* const b_end = (buf_page_t*) - ((char*) b + (BUF_BUDDY_LOW << i)); - - for (; b < b_end; b++) { - /* Avoid false positives (and cause false - negatives) by checking for b->space < 1000. */ - - if ((b->state == BUF_BLOCK_ZIP_PAGE - || b->state == BUF_BLOCK_ZIP_DIRTY) - && b->space > 0 && b->space < 1000) { - fprintf(stderr, - "buddy dirty %p %u (%u,%u) %p,%lu\n", - (void*) b, - b->state, b->space, b->offset, - buf, i); - } - } -# endif /* !UNIV_DEBUG_VALGRIND */ - - /* Scramble the block. This should make any pointers - invalid and trigger a segmentation violation. Because - the scrambling can be reversed, it may be possible to - track down the object pointing to the freed data by - dereferencing the unscrambled bpage->LRU or - bpage->list pointers. */ - for (c = (char*) buf + (BUF_BUDDY_LOW << i); - c-- > (char*) buf; ) { - *c = ~*c ^ i; - } - } else { - /* Fill large blocks with a constant pattern. */ - memset(bpage, i, BUF_BUDDY_LOW << i); - } -#endif /* UNIV_DEBUG */ - bpage->state = BUF_BLOCK_ZIP_FREE; - buf_buddy_add_to_free(bpage, i); -} diff --git a/perfschema/buf/buf0buf.c b/perfschema/buf/buf0buf.c deleted file mode 100644 index a4d091cdc34..00000000000 --- a/perfschema/buf/buf0buf.c +++ /dev/null @@ -1,4346 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file buf/buf0buf.c -The database buffer buf_pool - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#include "buf0buf.h" - -#ifdef UNIV_NONINL -#include "buf0buf.ic" -#endif - -#include "mem0mem.h" -#include "btr0btr.h" -#include "fil0fil.h" -#ifndef UNIV_HOTBACKUP -#include "buf0buddy.h" -#include "lock0lock.h" -#include "btr0sea.h" -#include "ibuf0ibuf.h" -#include "trx0undo.h" -#include "log0log.h" -#endif /* !UNIV_HOTBACKUP */ -#include "srv0srv.h" -#include "dict0dict.h" -#include "log0recv.h" -#include "page0zip.h" - -/* - IMPLEMENTATION OF THE BUFFER POOL - ================================= - -Performance improvement: ------------------------- -Thread scheduling in NT may be so slow that the OS wait mechanism should -not be used even in waiting for disk reads to complete. -Rather, we should put waiting query threads to the queue of -waiting jobs, and let the OS thread do something useful while the i/o -is processed. In this way we could remove most OS thread switches in -an i/o-intensive benchmark like TPC-C. - -A possibility is to put a user space thread library between the database -and NT. User space thread libraries might be very fast. - -SQL Server 7.0 can be configured to use 'fibers' which are lightweight -threads in NT. These should be studied. - - Buffer frames and blocks - ------------------------ -Following the terminology of Gray and Reuter, we call the memory -blocks where file pages are loaded buffer frames. For each buffer -frame there is a control block, or shortly, a block, in the buffer -control array. The control info which does not need to be stored -in the file along with the file page, resides in the control block. - - Buffer pool struct - ------------------ -The buffer buf_pool contains a single mutex which protects all the -control data structures of the buf_pool. The content of a buffer frame is -protected by a separate read-write lock in its control block, though. -These locks can be locked and unlocked without owning the buf_pool mutex. -The OS events in the buf_pool struct can be waited for without owning the -buf_pool mutex. - -The buf_pool mutex is a hot-spot in main memory, causing a lot of -memory bus traffic on multiprocessor systems when processors -alternately access the mutex. On our Pentium, the mutex is accessed -maybe every 10 microseconds. We gave up the solution to have mutexes -for each control block, for instance, because it seemed to be -complicated. - -A solution to reduce mutex contention of the buf_pool mutex is to -create a separate mutex for the page hash table. On Pentium, -accessing the hash table takes 2 microseconds, about half -of the total buf_pool mutex hold time. - - Control blocks - -------------- - -The control block contains, for instance, the bufferfix count -which is incremented when a thread wants a file page to be fixed -in a buffer frame. The bufferfix operation does not lock the -contents of the frame, however. For this purpose, the control -block contains a read-write lock. - -The buffer frames have to be aligned so that the start memory -address of a frame is divisible by the universal page size, which -is a power of two. - -We intend to make the buffer buf_pool size on-line reconfigurable, -that is, the buf_pool size can be changed without closing the database. -Then the database administarator may adjust it to be bigger -at night, for example. The control block array must -contain enough control blocks for the maximum buffer buf_pool size -which is used in the particular database. -If the buf_pool size is cut, we exploit the virtual memory mechanism of -the OS, and just refrain from using frames at high addresses. Then the OS -can swap them to disk. - -The control blocks containing file pages are put to a hash table -according to the file address of the page. -We could speed up the access to an individual page by using -"pointer swizzling": we could replace the page references on -non-leaf index pages by direct pointers to the page, if it exists -in the buf_pool. We could make a separate hash table where we could -chain all the page references in non-leaf pages residing in the buf_pool, -using the page reference as the hash key, -and at the time of reading of a page update the pointers accordingly. -Drawbacks of this solution are added complexity and, -possibly, extra space required on non-leaf pages for memory pointers. -A simpler solution is just to speed up the hash table mechanism -in the database, using tables whose size is a power of 2. - - Lists of blocks - --------------- - -There are several lists of control blocks. - -The free list (buf_pool->free) contains blocks which are currently not -used. - -The common LRU list contains all the blocks holding a file page -except those for which the bufferfix count is non-zero. -The pages are in the LRU list roughly in the order of the last -access to the page, so that the oldest pages are at the end of the -list. We also keep a pointer to near the end of the LRU list, -which we can use when we want to artificially age a page in the -buf_pool. This is used if we know that some page is not needed -again for some time: we insert the block right after the pointer, -causing it to be replaced sooner than would normally be the case. -Currently this aging mechanism is used for read-ahead mechanism -of pages, and it can also be used when there is a scan of a full -table which cannot fit in the memory. Putting the pages near the -end of the LRU list, we make sure that most of the buf_pool stays -in the main memory, undisturbed. - -The unzip_LRU list contains a subset of the common LRU list. The -blocks on the unzip_LRU list hold a compressed file page and the -corresponding uncompressed page frame. A block is in unzip_LRU if and -only if the predicate buf_page_belongs_to_unzip_LRU(&block->page) -holds. The blocks in unzip_LRU will be in same order as they are in -the common LRU list. That is, each manipulation of the common LRU -list will result in the same manipulation of the unzip_LRU list. - -The chain of modified blocks (buf_pool->flush_list) contains the blocks -holding file pages that have been modified in the memory -but not written to disk yet. The block with the oldest modification -which has not yet been written to disk is at the end of the chain. -The access to this list is protected by flush_list_mutex. - -The chain of unmodified compressed blocks (buf_pool->zip_clean) -contains the control blocks (buf_page_t) of those compressed pages -that are not in buf_pool->flush_list and for which no uncompressed -page has been allocated in the buffer pool. The control blocks for -uncompressed pages are accessible via buf_block_t objects that are -reachable via buf_pool->chunks[]. - -The chains of free memory blocks (buf_pool->zip_free[]) are used by -the buddy allocator (buf0buddy.c) to keep track of currently unused -memory blocks of size sizeof(buf_page_t)..UNIV_PAGE_SIZE / 2. These -blocks are inside the UNIV_PAGE_SIZE-sized memory blocks of type -BUF_BLOCK_MEMORY that the buddy allocator requests from the buffer -pool. The buddy allocator is solely used for allocating control -blocks for compressed pages (buf_page_t) and compressed page frames. - - Loading a file page - ------------------- - -First, a victim block for replacement has to be found in the -buf_pool. It is taken from the free list or searched for from the -end of the LRU-list. An exclusive lock is reserved for the frame, -the io_fix field is set in the block fixing the block in buf_pool, -and the io-operation for loading the page is queued. The io-handler thread -releases the X-lock on the frame and resets the io_fix field -when the io operation completes. - -A thread may request the above operation using the function -buf_page_get(). It may then continue to request a lock on the frame. -The lock is granted when the io-handler releases the x-lock. - - Read-ahead - ---------- - -The read-ahead mechanism is intended to be intelligent and -isolated from the semantically higher levels of the database -index management. From the higher level we only need the -information if a file page has a natural successor or -predecessor page. On the leaf level of a B-tree index, -these are the next and previous pages in the natural -order of the pages. - -Let us first explain the read-ahead mechanism when the leafs -of a B-tree are scanned in an ascending or descending order. -When a read page is the first time referenced in the buf_pool, -the buffer manager checks if it is at the border of a so-called -linear read-ahead area. The tablespace is divided into these -areas of size 64 blocks, for example. So if the page is at the -border of such an area, the read-ahead mechanism checks if -all the other blocks in the area have been accessed in an -ascending or descending order. If this is the case, the system -looks at the natural successor or predecessor of the page, -checks if that is at the border of another area, and in this case -issues read-requests for all the pages in that area. Maybe -we could relax the condition that all the pages in the area -have to be accessed: if data is deleted from a table, there may -appear holes of unused pages in the area. - -A different read-ahead mechanism is used when there appears -to be a random access pattern to a file. -If a new page is referenced in the buf_pool, and several pages -of its random access area (for instance, 32 consecutive pages -in a tablespace) have recently been referenced, we may predict -that the whole area may be needed in the near future, and issue -the read requests for the whole area. -*/ - -#ifndef UNIV_HOTBACKUP -/** Value in microseconds */ -static const int WAIT_FOR_READ = 5000; -/** Number of attemtps made to read in a page in the buffer pool */ -static const ulint BUF_PAGE_READ_MAX_RETRIES = 100; - -/** The buffer buf_pool of the database */ -UNIV_INTERN buf_pool_t* buf_pool = NULL; - -/** mutex protecting the buffer pool struct and control blocks, except the -read-write lock in them */ -UNIV_INTERN mutex_t buf_pool_mutex; -/** mutex protecting the control blocks of compressed-only pages -(of type buf_page_t, not buf_block_t) */ -UNIV_INTERN mutex_t buf_pool_zip_mutex; - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -static ulint buf_dbg_counter = 0; /*!< This is used to insert validation - operations in excution in the - debug version */ -/** Flag to forbid the release of the buffer pool mutex. -Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_pool_mutex_exit_forbidden = 0; -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#ifdef UNIV_DEBUG -/** If this is set TRUE, the program prints info whenever -read-ahead or flush occurs */ -UNIV_INTERN ibool buf_debug_prints = FALSE; -#endif /* UNIV_DEBUG */ - -/** A chunk of buffers. The buffer pool is allocated in chunks. */ -struct buf_chunk_struct{ - ulint mem_size; /*!< allocated size of the chunk */ - ulint size; /*!< size of frames[] and blocks[] */ - void* mem; /*!< pointer to the memory area which - was allocated for the frames */ - buf_block_t* blocks; /*!< array of buffer control blocks */ -}; -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Calculates a page checksum which is stored to the page when it is written -to a file. Note that we must be careful to calculate the same value on -32-bit and 64-bit architectures. -@return checksum */ -UNIV_INTERN -ulint -buf_calc_page_new_checksum( -/*=======================*/ - const byte* page) /*!< in: buffer page */ -{ - ulint checksum; - - /* Since the field FIL_PAGE_FILE_FLUSH_LSN, and in versions <= 4.1.x - ..._ARCH_LOG_NO, are written outside the buffer pool to the first - pages of data files, we have to skip them in the page checksum - calculation. - We must also skip the field FIL_PAGE_SPACE_OR_CHKSUM where the - checksum is stored, and also the last 8 bytes of page because - there we store the old formula checksum. */ - - checksum = ut_fold_binary(page + FIL_PAGE_OFFSET, - FIL_PAGE_FILE_FLUSH_LSN - FIL_PAGE_OFFSET) - + ut_fold_binary(page + FIL_PAGE_DATA, - UNIV_PAGE_SIZE - FIL_PAGE_DATA - - FIL_PAGE_END_LSN_OLD_CHKSUM); - checksum = checksum & 0xFFFFFFFFUL; - - return(checksum); -} - -/********************************************************************//** -In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only -looked at the first few bytes of the page. This calculates that old -checksum. -NOTE: we must first store the new formula checksum to -FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum -because this takes that field as an input! -@return checksum */ -UNIV_INTERN -ulint -buf_calc_page_old_checksum( -/*=======================*/ - const byte* page) /*!< in: buffer page */ -{ - ulint checksum; - - checksum = ut_fold_binary(page, FIL_PAGE_FILE_FLUSH_LSN); - - checksum = checksum & 0xFFFFFFFFUL; - - return(checksum); -} - -/********************************************************************//** -Checks if a page is corrupt. -@return TRUE if corrupted */ -UNIV_INTERN -ibool -buf_page_is_corrupted( -/*==================*/ - const byte* read_buf, /*!< in: a database page */ - ulint zip_size) /*!< in: size of compressed page; - 0 for uncompressed pages */ -{ - ulint checksum_field; - ulint old_checksum_field; - - if (UNIV_LIKELY(!zip_size) - && memcmp(read_buf + FIL_PAGE_LSN + 4, - read_buf + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4, 4)) { - - /* Stored log sequence numbers at the start and the end - of page do not match */ - - return(TRUE); - } - -#ifndef UNIV_HOTBACKUP - if (recv_lsn_checks_on) { - ib_uint64_t current_lsn; - - if (log_peek_lsn(¤t_lsn) - && current_lsn < mach_read_ull(read_buf + FIL_PAGE_LSN)) { - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: page %lu log sequence number" - " %llu\n" - "InnoDB: is in the future! Current system " - "log sequence number %llu.\n" - "InnoDB: Your database may be corrupt or " - "you may have copied the InnoDB\n" - "InnoDB: tablespace but not the InnoDB " - "log files. See\n" - "InnoDB: " REFMAN "forcing-recovery.html\n" - "InnoDB: for more information.\n", - (ulong) mach_read_from_4(read_buf - + FIL_PAGE_OFFSET), - mach_read_ull(read_buf + FIL_PAGE_LSN), - current_lsn); - } - } -#endif - - /* If we use checksums validation, make additional check before - returning TRUE to ensure that the checksum is not equal to - BUF_NO_CHECKSUM_MAGIC which might be stored by InnoDB with checksums - disabled. Otherwise, skip checksum calculation and return FALSE */ - - if (UNIV_LIKELY(srv_use_checksums)) { - checksum_field = mach_read_from_4(read_buf - + FIL_PAGE_SPACE_OR_CHKSUM); - - if (UNIV_UNLIKELY(zip_size)) { - return(checksum_field != BUF_NO_CHECKSUM_MAGIC - && checksum_field - != page_zip_calc_checksum(read_buf, zip_size)); - } - - old_checksum_field = mach_read_from_4( - read_buf + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM); - - /* There are 2 valid formulas for old_checksum_field: - - 1. Very old versions of InnoDB only stored 8 byte lsn to the - start and the end of the page. - - 2. Newer InnoDB versions store the old formula checksum - there. */ - - if (old_checksum_field != mach_read_from_4(read_buf - + FIL_PAGE_LSN) - && old_checksum_field != BUF_NO_CHECKSUM_MAGIC - && old_checksum_field - != buf_calc_page_old_checksum(read_buf)) { - - return(TRUE); - } - - /* InnoDB versions < 4.0.14 and < 4.1.1 stored the space id - (always equal to 0), to FIL_PAGE_SPACE_OR_CHKSUM */ - - if (checksum_field != 0 - && checksum_field != BUF_NO_CHECKSUM_MAGIC - && checksum_field - != buf_calc_page_new_checksum(read_buf)) { - - return(TRUE); - } - } - - return(FALSE); -} - -/********************************************************************//** -Prints a page to stderr. */ -UNIV_INTERN -void -buf_page_print( -/*===========*/ - const byte* read_buf, /*!< in: a database page */ - ulint zip_size) /*!< in: compressed page size, or - 0 for uncompressed pages */ -{ -#ifndef UNIV_HOTBACKUP - dict_index_t* index; -#endif /* !UNIV_HOTBACKUP */ - ulint checksum; - ulint old_checksum; - ulint size = zip_size; - - if (!size) { - size = UNIV_PAGE_SIZE; - } - - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Page dump in ascii and hex (%lu bytes):\n", - (ulong) size); - ut_print_buf(stderr, read_buf, size); - fputs("\nInnoDB: End of page dump\n", stderr); - - if (zip_size) { - /* Print compressed page. */ - - switch (fil_page_get_type(read_buf)) { - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - checksum = srv_use_checksums - ? page_zip_calc_checksum(read_buf, zip_size) - : BUF_NO_CHECKSUM_MAGIC; - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Compressed BLOB page" - " checksum %lu, stored %lu\n" - "InnoDB: Page lsn %lu %lu\n" - "InnoDB: Page number (if stored" - " to page already) %lu,\n" - "InnoDB: space id (if stored" - " to page already) %lu\n", - (ulong) checksum, - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_SPACE_OR_CHKSUM), - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_LSN), - (ulong) mach_read_from_4( - read_buf + (FIL_PAGE_LSN + 4)), - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_OFFSET), - (ulong) mach_read_from_4( - read_buf - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); - return; - default: - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: unknown page type %lu," - " assuming FIL_PAGE_INDEX\n", - fil_page_get_type(read_buf)); - /* fall through */ - case FIL_PAGE_INDEX: - checksum = srv_use_checksums - ? page_zip_calc_checksum(read_buf, zip_size) - : BUF_NO_CHECKSUM_MAGIC; - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Compressed page checksum %lu," - " stored %lu\n" - "InnoDB: Page lsn %lu %lu\n" - "InnoDB: Page number (if stored" - " to page already) %lu,\n" - "InnoDB: space id (if stored" - " to page already) %lu\n", - (ulong) checksum, - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_SPACE_OR_CHKSUM), - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_LSN), - (ulong) mach_read_from_4( - read_buf + (FIL_PAGE_LSN + 4)), - (ulong) mach_read_from_4( - read_buf + FIL_PAGE_OFFSET), - (ulong) mach_read_from_4( - read_buf - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); - return; - case FIL_PAGE_TYPE_XDES: - /* This is an uncompressed page. */ - break; - } - } - - checksum = srv_use_checksums - ? buf_calc_page_new_checksum(read_buf) : BUF_NO_CHECKSUM_MAGIC; - old_checksum = srv_use_checksums - ? buf_calc_page_old_checksum(read_buf) : BUF_NO_CHECKSUM_MAGIC; - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Page checksum %lu, prior-to-4.0.14-form" - " checksum %lu\n" - "InnoDB: stored checksum %lu, prior-to-4.0.14-form" - " stored checksum %lu\n" - "InnoDB: Page lsn %lu %lu, low 4 bytes of lsn" - " at page end %lu\n" - "InnoDB: Page number (if stored to page already) %lu,\n" - "InnoDB: space id (if created with >= MySQL-4.1.1" - " and stored already) %lu\n", - (ulong) checksum, (ulong) old_checksum, - (ulong) mach_read_from_4(read_buf + FIL_PAGE_SPACE_OR_CHKSUM), - (ulong) mach_read_from_4(read_buf + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM), - (ulong) mach_read_from_4(read_buf + FIL_PAGE_LSN), - (ulong) mach_read_from_4(read_buf + FIL_PAGE_LSN + 4), - (ulong) mach_read_from_4(read_buf + UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), - (ulong) mach_read_from_4(read_buf + FIL_PAGE_OFFSET), - (ulong) mach_read_from_4(read_buf - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); - -#ifndef UNIV_HOTBACKUP - if (mach_read_from_2(read_buf + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_TYPE) - == TRX_UNDO_INSERT) { - fprintf(stderr, - "InnoDB: Page may be an insert undo log page\n"); - } else if (mach_read_from_2(read_buf + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_TYPE) - == TRX_UNDO_UPDATE) { - fprintf(stderr, - "InnoDB: Page may be an update undo log page\n"); - } -#endif /* !UNIV_HOTBACKUP */ - - switch (fil_page_get_type(read_buf)) { - case FIL_PAGE_INDEX: - fprintf(stderr, - "InnoDB: Page may be an index page where" - " index id is %lu %lu\n", - (ulong) ut_dulint_get_high( - btr_page_get_index_id(read_buf)), - (ulong) ut_dulint_get_low( - btr_page_get_index_id(read_buf))); -#ifndef UNIV_HOTBACKUP - index = dict_index_find_on_id_low( - btr_page_get_index_id(read_buf)); - if (index) { - fputs("InnoDB: (", stderr); - dict_index_name_print(stderr, NULL, index); - fputs(")\n", stderr); - } -#endif /* !UNIV_HOTBACKUP */ - break; - case FIL_PAGE_INODE: - fputs("InnoDB: Page may be an 'inode' page\n", stderr); - break; - case FIL_PAGE_IBUF_FREE_LIST: - fputs("InnoDB: Page may be an insert buffer free list page\n", - stderr); - break; - case FIL_PAGE_TYPE_ALLOCATED: - fputs("InnoDB: Page may be a freshly allocated page\n", - stderr); - break; - case FIL_PAGE_IBUF_BITMAP: - fputs("InnoDB: Page may be an insert buffer bitmap page\n", - stderr); - break; - case FIL_PAGE_TYPE_SYS: - fputs("InnoDB: Page may be a system page\n", - stderr); - break; - case FIL_PAGE_TYPE_TRX_SYS: - fputs("InnoDB: Page may be a transaction system page\n", - stderr); - break; - case FIL_PAGE_TYPE_FSP_HDR: - fputs("InnoDB: Page may be a file space header page\n", - stderr); - break; - case FIL_PAGE_TYPE_XDES: - fputs("InnoDB: Page may be an extent descriptor page\n", - stderr); - break; - case FIL_PAGE_TYPE_BLOB: - fputs("InnoDB: Page may be a BLOB page\n", - stderr); - break; - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - fputs("InnoDB: Page may be a compressed BLOB page\n", - stderr); - break; - } -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Initializes a buffer control block when the buf_pool is created. */ -static -void -buf_block_init( -/*===========*/ - buf_block_t* block, /*!< in: pointer to control block */ - byte* frame) /*!< in: pointer to buffer frame */ -{ - UNIV_MEM_DESC(frame, UNIV_PAGE_SIZE, block); - - block->frame = frame; - - block->page.state = BUF_BLOCK_NOT_USED; - block->page.buf_fix_count = 0; - block->page.io_fix = BUF_IO_NONE; - - block->modify_clock = 0; - -#ifdef UNIV_DEBUG_FILE_ACCESSES - block->page.file_page_was_freed = FALSE; -#endif /* UNIV_DEBUG_FILE_ACCESSES */ - - block->check_index_page_at_flush = FALSE; - block->index = NULL; - -#ifdef UNIV_DEBUG - block->page.in_page_hash = FALSE; - block->page.in_zip_hash = FALSE; - block->page.in_flush_list = FALSE; - block->page.in_free_list = FALSE; - block->page.in_LRU_list = FALSE; - block->in_unzip_LRU_list = FALSE; -#endif /* UNIV_DEBUG */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - block->n_pointers = 0; -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - page_zip_des_init(&block->page.zip); - - mutex_create(&block->mutex, SYNC_BUF_BLOCK); - - rw_lock_create(&block->lock, SYNC_LEVEL_VARYING); - ut_ad(rw_lock_validate(&(block->lock))); - -#ifdef UNIV_SYNC_DEBUG - rw_lock_create(&block->debug_latch, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ -} - -/********************************************************************//** -Allocates a chunk of buffer frames. -@return chunk, or NULL on failure */ -static -buf_chunk_t* -buf_chunk_init( -/*===========*/ - buf_chunk_t* chunk, /*!< out: chunk of buffers */ - ulint mem_size) /*!< in: requested size in bytes */ -{ - buf_block_t* block; - byte* frame; - ulint i; - - /* Round down to a multiple of page size, - although it already should be. */ - mem_size = ut_2pow_round(mem_size, UNIV_PAGE_SIZE); - /* Reserve space for the block descriptors. */ - mem_size += ut_2pow_round((mem_size / UNIV_PAGE_SIZE) * (sizeof *block) - + (UNIV_PAGE_SIZE - 1), UNIV_PAGE_SIZE); - - chunk->mem_size = mem_size; - chunk->mem = os_mem_alloc_large(&chunk->mem_size); - - if (UNIV_UNLIKELY(chunk->mem == NULL)) { - - return(NULL); - } - - /* Allocate the block descriptors from - the start of the memory block. */ - chunk->blocks = chunk->mem; - - /* Align a pointer to the first frame. Note that when - os_large_page_size is smaller than UNIV_PAGE_SIZE, - we may allocate one fewer block than requested. When - it is bigger, we may allocate more blocks than requested. */ - - frame = ut_align(chunk->mem, UNIV_PAGE_SIZE); - chunk->size = chunk->mem_size / UNIV_PAGE_SIZE - - (frame != chunk->mem); - - /* Subtract the space needed for block descriptors. */ - { - ulint size = chunk->size; - - while (frame < (byte*) (chunk->blocks + size)) { - frame += UNIV_PAGE_SIZE; - size--; - } - - chunk->size = size; - } - - /* Init block structs and assign frames for them. Then we - assign the frames to the first blocks (we already mapped the - memory above). */ - - block = chunk->blocks; - - for (i = chunk->size; i--; ) { - - buf_block_init(block, frame); - -#ifdef HAVE_purify - /* Wipe contents of frame to eliminate a Purify warning */ - memset(block->frame, '\0', UNIV_PAGE_SIZE); -#endif - /* Add the block to the free list */ - UT_LIST_ADD_LAST(list, buf_pool->free, (&block->page)); - ut_d(block->page.in_free_list = TRUE); - - block++; - frame += UNIV_PAGE_SIZE; - } - - return(chunk); -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Finds a block in the given buffer chunk that points to a -given compressed page. -@return buffer block pointing to the compressed page, or NULL */ -static -buf_block_t* -buf_chunk_contains_zip( -/*===================*/ - buf_chunk_t* chunk, /*!< in: chunk being checked */ - const void* data) /*!< in: pointer to compressed page */ -{ - buf_block_t* block; - ulint i; - - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - - block = chunk->blocks; - - for (i = chunk->size; i--; block++) { - if (block->page.zip.data == data) { - - return(block); - } - } - - return(NULL); -} - -/*********************************************************************//** -Finds a block in the buffer pool that points to a -given compressed page. -@return buffer block pointing to the compressed page, or NULL */ -UNIV_INTERN -buf_block_t* -buf_pool_contains_zip( -/*==================*/ - const void* data) /*!< in: pointer to compressed page */ -{ - ulint n; - buf_chunk_t* chunk = buf_pool->chunks; - - for (n = buf_pool->n_chunks; n--; chunk++) { - buf_block_t* block = buf_chunk_contains_zip(chunk, data); - - if (block) { - return(block); - } - } - - return(NULL); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Checks that all file pages in the buffer chunk are in a replaceable state. -@return address of a non-free block, or NULL if all freed */ -static -const buf_block_t* -buf_chunk_not_freed( -/*================*/ - buf_chunk_t* chunk) /*!< in: chunk being checked */ -{ - buf_block_t* block; - ulint i; - - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - - block = chunk->blocks; - - for (i = chunk->size; i--; block++) { - ibool ready; - - switch (buf_block_get_state(block)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - /* The uncompressed buffer pool should never - contain compressed block descriptors. */ - ut_error; - break; - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - /* Skip blocks that are not being used for - file pages. */ - break; - case BUF_BLOCK_FILE_PAGE: - mutex_enter(&block->mutex); - ready = buf_flush_ready_for_replace(&block->page); - mutex_exit(&block->mutex); - - if (!ready) { - - return(block); - } - - break; - } - } - - return(NULL); -} - -/*********************************************************************//** -Checks that all blocks in the buffer chunk are in BUF_BLOCK_NOT_USED state. -@return TRUE if all freed */ -static -ibool -buf_chunk_all_free( -/*===============*/ - const buf_chunk_t* chunk) /*!< in: chunk being checked */ -{ - const buf_block_t* block; - ulint i; - - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - - block = chunk->blocks; - - for (i = chunk->size; i--; block++) { - - if (buf_block_get_state(block) != BUF_BLOCK_NOT_USED) { - - return(FALSE); - } - } - - return(TRUE); -} - -/********************************************************************//** -Frees a chunk of buffer frames. */ -static -void -buf_chunk_free( -/*===========*/ - buf_chunk_t* chunk) /*!< out: chunk of buffers */ -{ - buf_block_t* block; - const buf_block_t* block_end; - - ut_ad(buf_pool_mutex_own()); - - block_end = chunk->blocks + chunk->size; - - for (block = chunk->blocks; block < block_end; block++) { - ut_a(buf_block_get_state(block) == BUF_BLOCK_NOT_USED); - ut_a(!block->page.zip.data); - - ut_ad(!block->page.in_LRU_list); - ut_ad(!block->in_unzip_LRU_list); - ut_ad(!block->page.in_flush_list); - /* Remove the block from the free list. */ - ut_ad(block->page.in_free_list); - UT_LIST_REMOVE(list, buf_pool->free, (&block->page)); - - /* Free the latches. */ - mutex_free(&block->mutex); - rw_lock_free(&block->lock); -#ifdef UNIV_SYNC_DEBUG - rw_lock_free(&block->debug_latch); -#endif /* UNIV_SYNC_DEBUG */ - UNIV_MEM_UNDESC(block); - } - - os_mem_free_large(chunk->mem, chunk->mem_size); -} - -/********************************************************************//** -Creates the buffer pool. -@return own: buf_pool object, NULL if not enough memory or error */ -UNIV_INTERN -buf_pool_t* -buf_pool_init(void) -/*===============*/ -{ - buf_chunk_t* chunk; - ulint i; - - buf_pool = mem_zalloc(sizeof(buf_pool_t)); - - /* 1. Initialize general fields - ------------------------------- */ - mutex_create(&buf_pool_mutex, SYNC_BUF_POOL); - mutex_create(&buf_pool_zip_mutex, SYNC_BUF_BLOCK); - - buf_pool_mutex_enter(); - - buf_pool->n_chunks = 1; - buf_pool->chunks = chunk = mem_alloc(sizeof *chunk); - - UT_LIST_INIT(buf_pool->free); - - if (!buf_chunk_init(chunk, srv_buf_pool_size)) { - mem_free(chunk); - mem_free(buf_pool); - buf_pool = NULL; - return(NULL); - } - - srv_buf_pool_old_size = srv_buf_pool_size; - buf_pool->curr_size = chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; - - buf_pool->page_hash = hash_create(2 * buf_pool->curr_size); - buf_pool->zip_hash = hash_create(2 * buf_pool->curr_size); - - buf_pool->last_printout_time = time(NULL); - - /* 2. Initialize flushing fields - -------------------------------- */ - - mutex_create(&buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); - for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { - buf_pool->no_flush[i] = os_event_create(NULL); - } - - /* 3. Initialize LRU fields - --------------------------- */ - /* All fields are initialized by mem_zalloc(). */ - - buf_pool_mutex_exit(); - - btr_search_sys_create(buf_pool->curr_size - * UNIV_PAGE_SIZE / sizeof(void*) / 64); - - /* 4. Initialize the buddy allocator fields */ - /* All fields are initialized by mem_zalloc(). */ - - return(buf_pool); -} - -/********************************************************************//** -Frees the buffer pool at shutdown. This must not be invoked before -freeing all mutexes. */ -UNIV_INTERN -void -buf_pool_free(void) -/*===============*/ -{ - buf_chunk_t* chunk; - buf_chunk_t* chunks; - - chunks = buf_pool->chunks; - chunk = chunks + buf_pool->n_chunks; - - while (--chunk >= chunks) { - /* Bypass the checks of buf_chunk_free(), since they - would fail at shutdown. */ - os_mem_free_large(chunk->mem, chunk->mem_size); - } - - mem_free(buf_pool->chunks); - hash_table_free(buf_pool->page_hash); - hash_table_free(buf_pool->zip_hash); - mem_free(buf_pool); - buf_pool = NULL; -} - -/********************************************************************//** -Drops the adaptive hash index. To prevent a livelock, this function -is only to be called while holding btr_search_latch and while -btr_search_enabled == FALSE. */ -UNIV_INTERN -void -buf_pool_drop_hash_index(void) -/*==========================*/ -{ - ibool released_search_latch; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(!btr_search_enabled); - - do { - buf_chunk_t* chunks = buf_pool->chunks; - buf_chunk_t* chunk = chunks + buf_pool->n_chunks; - - released_search_latch = FALSE; - - while (--chunk >= chunks) { - buf_block_t* block = chunk->blocks; - ulint i = chunk->size; - - for (; i--; block++) { - /* block->is_hashed cannot be modified - when we have an x-latch on btr_search_latch; - see the comment in buf0buf.h */ - - if (buf_block_get_state(block) - != BUF_BLOCK_FILE_PAGE - || !block->is_hashed) { - continue; - } - - /* To follow the latching order, we - have to release btr_search_latch - before acquiring block->latch. */ - rw_lock_x_unlock(&btr_search_latch); - /* When we release the search latch, - we must rescan all blocks, because - some may become hashed again. */ - released_search_latch = TRUE; - - rw_lock_x_lock(&block->lock); - - /* This should be guaranteed by the - callers, which will be holding - btr_search_enabled_mutex. */ - ut_ad(!btr_search_enabled); - - /* Because we did not buffer-fix the - block by calling buf_block_get_gen(), - it is possible that the block has been - allocated for some other use after - btr_search_latch was released above. - We do not care which file page the - block is mapped to. All we want to do - is to drop any hash entries referring - to the page. */ - - /* It is possible that - block->page.state != BUF_FILE_PAGE. - Even that does not matter, because - btr_search_drop_page_hash_index() will - check block->is_hashed before doing - anything. block->is_hashed can only - be set on uncompressed file pages. */ - - btr_search_drop_page_hash_index(block); - - rw_lock_x_unlock(&block->lock); - - rw_lock_x_lock(&btr_search_latch); - - ut_ad(!btr_search_enabled); - } - } - } while (released_search_latch); -} - -/********************************************************************//** -Relocate a buffer control block. Relocates the block on the LRU list -and in buf_pool->page_hash. Does not relocate bpage->list. -The caller must take care of relocating bpage->list. */ -UNIV_INTERN -void -buf_relocate( -/*=========*/ - buf_page_t* bpage, /*!< in/out: control block being relocated; - buf_page_get_state(bpage) must be - BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ - buf_page_t* dpage) /*!< in/out: destination control block */ -{ - buf_page_t* b; - ulint fold; - - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); - ut_a(bpage->buf_fix_count == 0); - ut_ad(bpage->in_LRU_list); - ut_ad(!bpage->in_zip_hash); - ut_ad(bpage->in_page_hash); - ut_ad(bpage == buf_page_hash_get(bpage->space, bpage->offset)); - ut_ad(!buf_pool_watch_is(bpage)); -#ifdef UNIV_DEBUG - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_FILE_PAGE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_ZIP_PAGE: - break; - } -#endif /* UNIV_DEBUG */ - - memcpy(dpage, bpage, sizeof *dpage); - - ut_d(bpage->in_LRU_list = FALSE); - ut_d(bpage->in_page_hash = FALSE); - - /* relocate buf_pool->LRU */ - b = UT_LIST_GET_PREV(LRU, bpage); - UT_LIST_REMOVE(LRU, buf_pool->LRU, bpage); - - if (b) { - UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, b, dpage); - } else { - UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, dpage); - } - - if (UNIV_UNLIKELY(buf_pool->LRU_old == bpage)) { - buf_pool->LRU_old = dpage; -#ifdef UNIV_LRU_DEBUG - /* buf_pool->LRU_old must be the first item in the LRU list - whose "old" flag is set. */ - ut_a(buf_pool->LRU_old->old); - ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) - || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); - ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) - || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); - } else { - /* Check that the "old" flag is consistent in - the block and its neighbours. */ - buf_page_set_old(dpage, buf_page_is_old(dpage)); -#endif /* UNIV_LRU_DEBUG */ - } - - ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, - ut_ad(ut_list_node_313->in_LRU_list))); - - /* relocate buf_pool->page_hash */ - fold = buf_page_address_fold(bpage->space, bpage->offset); - - HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); - HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, dpage); -} - -/********************************************************************//** -Shrinks the buffer pool. */ -static -void -buf_pool_shrink( -/*============*/ - ulint chunk_size) /*!< in: number of pages to remove */ -{ - buf_chunk_t* chunks; - buf_chunk_t* chunk; - ulint max_size; - ulint max_free_size; - buf_chunk_t* max_chunk; - buf_chunk_t* max_free_chunk; - - ut_ad(!buf_pool_mutex_own()); - -try_again: - btr_search_disable(); /* Empty the adaptive hash index again */ - buf_pool_mutex_enter(); - -shrink_again: - if (buf_pool->n_chunks <= 1) { - - /* Cannot shrink if there is only one chunk */ - goto func_done; - } - - /* Search for the largest free chunk - not larger than the size difference */ - chunks = buf_pool->chunks; - chunk = chunks + buf_pool->n_chunks; - max_size = max_free_size = 0; - max_chunk = max_free_chunk = NULL; - - while (--chunk >= chunks) { - if (chunk->size <= chunk_size - && chunk->size > max_free_size) { - if (chunk->size > max_size) { - max_size = chunk->size; - max_chunk = chunk; - } - - if (buf_chunk_all_free(chunk)) { - max_free_size = chunk->size; - max_free_chunk = chunk; - } - } - } - - if (!max_free_size) { - - ulint dirty = 0; - ulint nonfree = 0; - buf_block_t* block; - buf_block_t* bend; - - /* Cannot shrink: try again later - (do not assign srv_buf_pool_old_size) */ - if (!max_chunk) { - - goto func_exit; - } - - block = max_chunk->blocks; - bend = block + max_chunk->size; - - /* Move the blocks of chunk to the end of the - LRU list and try to flush them. */ - for (; block < bend; block++) { - switch (buf_block_get_state(block)) { - case BUF_BLOCK_NOT_USED: - continue; - case BUF_BLOCK_FILE_PAGE: - break; - default: - nonfree++; - continue; - } - - mutex_enter(&block->mutex); - /* The following calls will temporarily - release block->mutex and buf_pool_mutex. - Therefore, we have to always retry, - even if !dirty && !nonfree. */ - - if (!buf_flush_ready_for_replace(&block->page)) { - - buf_LRU_make_block_old(&block->page); - dirty++; - } else if (buf_LRU_free_block(&block->page, TRUE, NULL) - != BUF_LRU_FREED) { - nonfree++; - } - - mutex_exit(&block->mutex); - } - - buf_pool_mutex_exit(); - - /* Request for a flush of the chunk if it helps. - Do not flush if there are non-free blocks, since - flushing will not make the chunk freeable. */ - if (nonfree) { - /* Avoid busy-waiting. */ - os_thread_sleep(100000); - } else if (dirty - && buf_flush_batch(BUF_FLUSH_LRU, dirty, 0) - == ULINT_UNDEFINED) { - - buf_flush_wait_batch_end(BUF_FLUSH_LRU); - } - - goto try_again; - } - - max_size = max_free_size; - max_chunk = max_free_chunk; - - srv_buf_pool_old_size = srv_buf_pool_size; - - /* Rewrite buf_pool->chunks. Copy everything but max_chunk. */ - chunks = mem_alloc((buf_pool->n_chunks - 1) * sizeof *chunks); - memcpy(chunks, buf_pool->chunks, - (max_chunk - buf_pool->chunks) * sizeof *chunks); - memcpy(chunks + (max_chunk - buf_pool->chunks), - max_chunk + 1, - buf_pool->chunks + buf_pool->n_chunks - - (max_chunk + 1)); - ut_a(buf_pool->curr_size > max_chunk->size); - buf_pool->curr_size -= max_chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; - chunk_size -= max_chunk->size; - buf_chunk_free(max_chunk); - mem_free(buf_pool->chunks); - buf_pool->chunks = chunks; - buf_pool->n_chunks--; - - /* Allow a slack of one megabyte. */ - if (chunk_size > 1048576 / UNIV_PAGE_SIZE) { - - goto shrink_again; - } - -func_done: - srv_buf_pool_old_size = srv_buf_pool_size; -func_exit: - buf_pool_mutex_exit(); - btr_search_enable(); -} - -/********************************************************************//** -Rebuild buf_pool->page_hash. */ -static -void -buf_pool_page_hash_rebuild(void) -/*============================*/ -{ - ulint i; - ulint n_chunks; - buf_chunk_t* chunk; - hash_table_t* page_hash; - hash_table_t* zip_hash; - buf_page_t* b; - - buf_pool_mutex_enter(); - - /* Free, create, and populate the hash table. */ - hash_table_free(buf_pool->page_hash); - buf_pool->page_hash = page_hash = hash_create(2 * buf_pool->curr_size); - zip_hash = hash_create(2 * buf_pool->curr_size); - - HASH_MIGRATE(buf_pool->zip_hash, zip_hash, buf_page_t, hash, - BUF_POOL_ZIP_FOLD_BPAGE); - - hash_table_free(buf_pool->zip_hash); - buf_pool->zip_hash = zip_hash; - - /* Insert the uncompressed file pages to buf_pool->page_hash. */ - - chunk = buf_pool->chunks; - n_chunks = buf_pool->n_chunks; - - for (i = 0; i < n_chunks; i++, chunk++) { - ulint j; - buf_block_t* block = chunk->blocks; - - for (j = 0; j < chunk->size; j++, block++) { - if (buf_block_get_state(block) - == BUF_BLOCK_FILE_PAGE) { - ut_ad(!block->page.in_zip_hash); - ut_ad(block->page.in_page_hash); - - HASH_INSERT(buf_page_t, hash, page_hash, - buf_page_address_fold( - block->page.space, - block->page.offset), - &block->page); - } - } - } - - /* Insert the compressed-only pages to buf_pool->page_hash. - All such blocks are either in buf_pool->zip_clean or - in buf_pool->flush_list. */ - - for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); - ut_ad(!b->in_flush_list); - ut_ad(b->in_LRU_list); - ut_ad(b->in_page_hash); - ut_ad(!b->in_zip_hash); - - HASH_INSERT(buf_page_t, hash, page_hash, - buf_page_address_fold(b->space, b->offset), b); - } - - buf_flush_list_mutex_enter(); - for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_ad(b->in_flush_list); - ut_ad(b->in_LRU_list); - ut_ad(b->in_page_hash); - ut_ad(!b->in_zip_hash); - - switch (buf_page_get_state(b)) { - case BUF_BLOCK_ZIP_DIRTY: - HASH_INSERT(buf_page_t, hash, page_hash, - buf_page_address_fold(b->space, - b->offset), b); - break; - case BUF_BLOCK_FILE_PAGE: - /* uncompressed page */ - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - } - } - - buf_flush_list_mutex_exit(); - buf_pool_mutex_exit(); -} - -/********************************************************************//** -Resizes the buffer pool. */ -UNIV_INTERN -void -buf_pool_resize(void) -/*=================*/ -{ - buf_pool_mutex_enter(); - - if (srv_buf_pool_old_size == srv_buf_pool_size) { - - buf_pool_mutex_exit(); - return; - } - - if (srv_buf_pool_curr_size + 1048576 > srv_buf_pool_size) { - - buf_pool_mutex_exit(); - - /* Disable adaptive hash indexes and empty the index - in order to free up memory in the buffer pool chunks. */ - buf_pool_shrink((srv_buf_pool_curr_size - srv_buf_pool_size) - / UNIV_PAGE_SIZE); - } else if (srv_buf_pool_curr_size + 1048576 < srv_buf_pool_size) { - - /* Enlarge the buffer pool by at least one megabyte */ - - ulint mem_size - = srv_buf_pool_size - srv_buf_pool_curr_size; - buf_chunk_t* chunks; - buf_chunk_t* chunk; - - chunks = mem_alloc((buf_pool->n_chunks + 1) * sizeof *chunks); - - memcpy(chunks, buf_pool->chunks, buf_pool->n_chunks - * sizeof *chunks); - - chunk = &chunks[buf_pool->n_chunks]; - - if (!buf_chunk_init(chunk, mem_size)) { - mem_free(chunks); - } else { - buf_pool->curr_size += chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size - * UNIV_PAGE_SIZE; - mem_free(buf_pool->chunks); - buf_pool->chunks = chunks; - buf_pool->n_chunks++; - } - - srv_buf_pool_old_size = srv_buf_pool_size; - buf_pool_mutex_exit(); - } - - buf_pool_page_hash_rebuild(); -} - -/** Maximum number of concurrent buffer pool watches */ -#define BUF_POOL_WATCH_SIZE 1 -/** Sentinel records for buffer pool watches. Protected by buf_pool_mutex. */ -static buf_page_t buf_pool_watch[BUF_POOL_WATCH_SIZE]; - -/******************************************************************** -Determine if a block is a sentinel for a buffer pool watch. -@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ -UNIV_INTERN -ibool -buf_pool_watch_is( -/*==============*/ - const buf_page_t* bpage) /*!< in: block */ -{ - ut_ad(buf_page_in_file(bpage)); - - if (UNIV_LIKELY(bpage < &buf_pool_watch[0] - || bpage >= &buf_pool_watch[BUF_POOL_WATCH_SIZE])) { - - ut_ad(buf_page_get_state(bpage) != BUF_BLOCK_ZIP_PAGE - || bpage->zip.data != NULL); - - return(FALSE); - } - - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); - ut_ad(!bpage->in_zip_hash); - ut_ad(bpage->in_page_hash); - ut_ad(bpage->zip.data == NULL); - ut_ad(bpage->buf_fix_count > 0); - return(TRUE); -} - -/****************************************************************//** -Add watch for the given page to be read in. Caller must have the buffer pool -mutex reserved. -@return NULL if watch set, block if the page is in the buffer pool */ -UNIV_INTERN -buf_page_t* -buf_pool_watch_set( -/*===============*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: page number */ - ulint fold) /*!< in: buf_page_address_fold(space, offset) */ -{ - buf_page_t* bpage; - ulint i; - - ut_ad(buf_pool_mutex_own()); - - bpage = buf_page_hash_get_low(space, offset, fold); - - if (UNIV_LIKELY_NULL(bpage)) { - if (!buf_pool_watch_is(bpage)) { - /* The page was loaded meanwhile. */ - return(bpage); - } - /* Add to an existing watch. */ - bpage->buf_fix_count++; - return(NULL); - } - - for (i = 0; i < BUF_POOL_WATCH_SIZE; i++) { - bpage = &buf_pool_watch[i]; - - ut_ad(bpage->access_time == 0); - ut_ad(bpage->newest_modification == 0); - ut_ad(bpage->oldest_modification == 0); - ut_ad(bpage->zip.data == NULL); - ut_ad(!bpage->in_zip_hash); - - switch (bpage->state) { - case BUF_BLOCK_POOL_WATCH: - ut_ad(!bpage->in_page_hash); - ut_ad(bpage->buf_fix_count == 0); - - /* bpage is pointing to buf_pool_watch[], - which is protected by buf_pool_mutex. - Normally, buf_page_t objects are protected by - buf_block_t::mutex or buf_pool_zip_mutex or both. */ - - bpage->state = BUF_BLOCK_ZIP_PAGE; - bpage->space = space; - bpage->offset = offset; - bpage->buf_fix_count = 1; - - ut_d(bpage->in_page_hash = TRUE); - HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, - fold, bpage); - return(NULL); - case BUF_BLOCK_ZIP_PAGE: - ut_ad(bpage->in_page_hash); - ut_ad(bpage->buf_fix_count > 0); - break; - default: - ut_error; - } - } - - /* Allocation failed. Either the maximum number of purge - threads should never exceed BUF_POOL_WATCH_SIZE, or this code - should be modified to return a special non-NULL value and the - caller should purge the record directly. */ - ut_error; - - /* Fix compiler warning */ - return(NULL); -} - -/****************************************************************//** -Remove the sentinel block for the watch before replacing it with a real block. -buf_page_watch_clear() or buf_page_watch_occurred() will notice that -the block has been replaced with the real block. -@return reference count, to be added to the replacement block */ -static -void -buf_pool_watch_remove( -/*==================*/ - ulint fold, /*!< in: buf_page_address_fold(space, offset) */ - buf_page_t* watch) /*!< in/out: sentinel for watch */ -{ - ut_ad(buf_pool_mutex_own()); - - HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, watch); - ut_d(watch->in_page_hash = FALSE); - watch->buf_fix_count = 0; - watch->state = BUF_BLOCK_POOL_WATCH; -} - -/****************************************************************//** -Stop watching if the page has been read in. -buf_pool_watch_set(space,offset) must have returned NULL before. */ -UNIV_INTERN -void -buf_pool_watch_unset( -/*=================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - ulint fold = buf_page_address_fold(space, offset); - - buf_pool_mutex_enter(); - bpage = buf_page_hash_get_low(space, offset, fold); - /* The page must exist because buf_pool_watch_set() - increments buf_fix_count. */ - ut_a(bpage); - - if (UNIV_UNLIKELY(!buf_pool_watch_is(bpage))) { - mutex_t* mutex = buf_page_get_mutex(bpage); - mutex_enter(mutex); - ut_a(bpage->buf_fix_count > 0); - bpage->buf_fix_count--; - mutex_exit(mutex); - } else { - ut_a(bpage->buf_fix_count > 0); - - if (UNIV_LIKELY(!--bpage->buf_fix_count)) { - buf_pool_watch_remove(fold, bpage); - } - } - - buf_pool_mutex_exit(); -} - -/****************************************************************//** -Check if the page has been read in. -This may only be called after buf_pool_watch_set(space,offset) -has returned NULL and before invoking buf_pool_watch_unset(space,offset). -@return FALSE if the given page was not read in, TRUE if it was */ -UNIV_INTERN -ibool -buf_pool_watch_occurred( -/*====================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - ulint fold = buf_page_address_fold(space, offset); - ibool ret; - - buf_pool_mutex_enter(); - - bpage = buf_page_hash_get_low(space, offset, fold); - /* The page must exist because buf_pool_watch_set() - increments buf_fix_count. */ - ut_a(bpage); - ret = !buf_pool_watch_is(bpage); - buf_pool_mutex_exit(); - - return(ret); -} - -/********************************************************************//** -Moves a page to the start of the buffer pool LRU list. This high-level -function can be used to prevent an important page from slipping out of -the buffer pool. */ -UNIV_INTERN -void -buf_page_make_young( -/*================*/ - buf_page_t* bpage) /*!< in: buffer block of a file page */ -{ - buf_pool_mutex_enter(); - - ut_a(buf_page_in_file(bpage)); - - buf_LRU_make_block_young(bpage); - - buf_pool_mutex_exit(); -} - -/********************************************************************//** -Sets the time of the first access of a page and moves a page to the -start of the buffer pool LRU list if it is too old. This high-level -function can be used to prevent an important page from slipping -out of the buffer pool. */ -static -void -buf_page_set_accessed_make_young( -/*=============================*/ - buf_page_t* bpage, /*!< in/out: buffer block of a - file page */ - unsigned access_time) /*!< in: bpage->access_time - read under mutex protection, - or 0 if unknown */ -{ - ut_ad(!buf_pool_mutex_own()); - ut_a(buf_page_in_file(bpage)); - - if (buf_page_peek_if_too_old(bpage)) { - buf_pool_mutex_enter(); - buf_LRU_make_block_young(bpage); - buf_pool_mutex_exit(); - } else if (!access_time) { - ulint time_ms = ut_time_ms(); - buf_pool_mutex_enter(); - buf_page_set_accessed(bpage, time_ms); - buf_pool_mutex_exit(); - } -} - -/********************************************************************//** -Resets the check_index_page_at_flush field of a page if found in the buffer -pool. */ -UNIV_INTERN -void -buf_reset_check_index_page_at_flush( -/*================================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_block_t* block; - - buf_pool_mutex_enter(); - - block = (buf_block_t*) buf_page_hash_get(space, offset); - - if (block && buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE) { - ut_ad(!buf_pool_watch_is(&block->page)); - block->check_index_page_at_flush = FALSE; - } - - buf_pool_mutex_exit(); -} - -/********************************************************************//** -Returns the current state of is_hashed of a page. FALSE if the page is -not in the pool. NOTE that this operation does not fix the page in the -pool if it is found there. -@return TRUE if page hash index is built in search system */ -UNIV_INTERN -ibool -buf_page_peek_if_search_hashed( -/*===========================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_block_t* block; - ibool is_hashed; - - buf_pool_mutex_enter(); - - block = (buf_block_t*) buf_page_hash_get(space, offset); - - if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { - is_hashed = FALSE; - } else { - ut_ad(!buf_pool_watch_is(&block->page)); - is_hashed = block->is_hashed; - } - - buf_pool_mutex_exit(); - - return(is_hashed); -} - -#ifdef UNIV_DEBUG_FILE_ACCESSES -/********************************************************************//** -Sets file_page_was_freed TRUE if the page is found in the buffer pool. -This function should be called when we free a file page and want the -debug version to check that it is not accessed any more unless -reallocated. -@return control block if found in page hash table, otherwise NULL */ -UNIV_INTERN -buf_page_t* -buf_page_set_file_page_was_freed( -/*=============================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - - buf_pool_mutex_enter(); - - bpage = buf_page_hash_get(space, offset); - - if (bpage && !buf_pool_watch_is(bpage)) { - bpage->file_page_was_freed = TRUE; - } - - buf_pool_mutex_exit(); - - return(bpage); -} - -/********************************************************************//** -Sets file_page_was_freed FALSE if the page is found in the buffer pool. -This function should be called when we free a file page and want the -debug version to check that it is not accessed any more unless -reallocated. -@return control block if found in page hash table, otherwise NULL */ -UNIV_INTERN -buf_page_t* -buf_page_reset_file_page_was_freed( -/*===============================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - - buf_pool_mutex_enter(); - - bpage = buf_page_hash_get(space, offset); - - if (bpage && !buf_pool_watch_is(bpage)) { - bpage->file_page_was_freed = FALSE; - } - - buf_pool_mutex_exit(); - - return(bpage); -} -#endif /* UNIV_DEBUG_FILE_ACCESSES */ - -/********************************************************************//** -Get read access to a compressed page (usually of type -FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). -The page must be released with buf_page_release_zip(). -NOTE: the page is not protected by any latch. Mutual exclusion has to -be implemented at a higher level. In other words, all possible -accesses to a given page through this function must be protected by -the same set of mutexes or latches. -@return pointer to the block */ -UNIV_INTERN -buf_page_t* -buf_page_get_zip( -/*=============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - mutex_t* block_mutex; - ibool must_read; - unsigned access_time; - -#ifndef UNIV_LOG_DEBUG - ut_ad(!ibuf_inside()); -#endif - buf_pool->stat.n_page_gets++; - - for (;;) { - buf_pool_mutex_enter(); -lookup: - bpage = buf_page_hash_get(space, offset); - if (bpage && !buf_pool_watch_is(bpage)) { - break; - } - - /* Page not in buf_pool: needs to be read from file */ - - buf_pool_mutex_exit(); - - buf_read_page(space, zip_size, offset); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 37 || buf_validate()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - } - - if (UNIV_UNLIKELY(!bpage->zip.data)) { - /* There is no compressed page. */ -err_exit: - buf_pool_mutex_exit(); - return(NULL); - } - - ut_ad(!buf_pool_watch_is(bpage)); - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - case BUF_BLOCK_ZIP_FREE: - break; - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - block_mutex = &buf_pool_zip_mutex; - mutex_enter(block_mutex); - bpage->buf_fix_count++; - goto got_block; - case BUF_BLOCK_FILE_PAGE: - block_mutex = &((buf_block_t*) bpage)->mutex; - mutex_enter(block_mutex); - - /* Discard the uncompressed page frame if possible. */ - if (buf_LRU_free_block(bpage, FALSE, NULL) - == BUF_LRU_FREED) { - - mutex_exit(block_mutex); - goto lookup; - } - - buf_block_buf_fix_inc((buf_block_t*) bpage, - __FILE__, __LINE__); - goto got_block; - } - - ut_error; - goto err_exit; - -got_block: - must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ; - access_time = buf_page_is_accessed(bpage); - - buf_pool_mutex_exit(); - - mutex_exit(block_mutex); - - buf_page_set_accessed_make_young(bpage, access_time); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - ut_a(!bpage->file_page_was_freed); -#endif - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 5771 || buf_validate()); - ut_a(bpage->buf_fix_count > 0); - ut_a(buf_page_in_file(bpage)); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - if (must_read) { - /* Let us wait until the read operation - completes */ - - for (;;) { - enum buf_io_fix io_fix; - - mutex_enter(block_mutex); - io_fix = buf_page_get_io_fix(bpage); - mutex_exit(block_mutex); - - if (io_fix == BUF_IO_READ) { - - os_thread_sleep(WAIT_FOR_READ); - } else { - break; - } - } - } - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(buf_page_get_space(bpage), - buf_page_get_page_no(bpage)) == 0); -#endif - return(bpage); -} - -/********************************************************************//** -Initialize some fields of a control block. */ -UNIV_INLINE -void -buf_block_init_low( -/*===============*/ - buf_block_t* block) /*!< in: block to init */ -{ - block->check_index_page_at_flush = FALSE; - block->index = NULL; - - block->n_hash_helps = 0; - block->is_hashed = FALSE; - block->n_fields = 1; - block->n_bytes = 0; - block->left_side = TRUE; -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Decompress a block. -@return TRUE if successful */ -UNIV_INTERN -ibool -buf_zip_decompress( -/*===============*/ - buf_block_t* block, /*!< in/out: block */ - ibool check) /*!< in: TRUE=verify the page checksum */ -{ - const byte* frame = block->page.zip.data; - - ut_ad(buf_block_get_zip_size(block)); - ut_a(buf_block_get_space(block) != 0); - - if (UNIV_LIKELY(check)) { - ulint stamp_checksum = mach_read_from_4( - frame + FIL_PAGE_SPACE_OR_CHKSUM); - ulint calc_checksum = page_zip_calc_checksum( - frame, page_zip_get_size(&block->page.zip)); - - if (UNIV_UNLIKELY(stamp_checksum != calc_checksum)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: compressed page checksum mismatch" - " (space %u page %u): %lu != %lu\n", - block->page.space, block->page.offset, - stamp_checksum, calc_checksum); - return(FALSE); - } - } - - switch (fil_page_get_type(frame)) { - case FIL_PAGE_INDEX: - if (page_zip_decompress(&block->page.zip, - block->frame, TRUE)) { - return(TRUE); - } - - fprintf(stderr, - "InnoDB: unable to decompress space %lu page %lu\n", - (ulong) block->page.space, - (ulong) block->page.offset); - return(FALSE); - - case FIL_PAGE_TYPE_ALLOCATED: - case FIL_PAGE_INODE: - case FIL_PAGE_IBUF_BITMAP: - case FIL_PAGE_TYPE_FSP_HDR: - case FIL_PAGE_TYPE_XDES: - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - /* Copy to uncompressed storage. */ - memcpy(block->frame, frame, - buf_block_get_zip_size(block)); - return(TRUE); - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: unknown compressed page" - " type %lu\n", - fil_page_get_type(frame)); - return(FALSE); -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Gets the block to whose frame the pointer is pointing to. -@return pointer to block, never NULL */ -UNIV_INTERN -buf_block_t* -buf_block_align( -/*============*/ - const byte* ptr) /*!< in: pointer to a frame */ -{ - buf_chunk_t* chunk; - ulint i; - - /* TODO: protect buf_pool->chunks with a mutex (it will - currently remain constant after buf_pool_init()) */ - for (chunk = buf_pool->chunks, i = buf_pool->n_chunks; i--; chunk++) { - lint offs = ptr - chunk->blocks->frame; - - if (UNIV_UNLIKELY(offs < 0)) { - - continue; - } - - offs >>= UNIV_PAGE_SIZE_SHIFT; - - if (UNIV_LIKELY((ulint) offs < chunk->size)) { - buf_block_t* block = &chunk->blocks[offs]; - - /* The function buf_chunk_init() invokes - buf_block_init() so that block[n].frame == - block->frame + n * UNIV_PAGE_SIZE. Check it. */ - ut_ad(block->frame == page_align(ptr)); -#ifdef UNIV_DEBUG - /* A thread that updates these fields must - hold buf_pool_mutex and block->mutex. Acquire - only the latter. */ - mutex_enter(&block->mutex); - - switch (buf_block_get_state(block)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - /* These types should only be used in - the compressed buffer pool, whose - memory is allocated from - buf_pool->chunks, in UNIV_PAGE_SIZE - blocks flagged as BUF_BLOCK_MEMORY. */ - ut_error; - break; - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - /* Some data structures contain - "guess" pointers to file pages. The - file pages may have been freed and - reused. Do not complain. */ - break; - case BUF_BLOCK_REMOVE_HASH: - /* buf_LRU_block_remove_hashed_page() - will overwrite the FIL_PAGE_OFFSET and - FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID with - 0xff and set the state to - BUF_BLOCK_REMOVE_HASH. */ - ut_ad(page_get_space_id(page_align(ptr)) - == 0xffffffff); - ut_ad(page_get_page_no(page_align(ptr)) - == 0xffffffff); - break; - case BUF_BLOCK_FILE_PAGE: - ut_ad(block->page.space - == page_get_space_id(page_align(ptr))); - ut_ad(block->page.offset - == page_get_page_no(page_align(ptr))); - break; - } - - mutex_exit(&block->mutex); -#endif /* UNIV_DEBUG */ - - return(block); - } - } - - /* The block should always be found. */ - ut_error; - return(NULL); -} - -/********************************************************************//** -Find out if a pointer belongs to a buf_block_t. It can be a pointer to -the buf_block_t itself or a member of it -@return TRUE if ptr belongs to a buf_block_t struct */ -UNIV_INTERN -ibool -buf_pointer_is_block_field( -/*=======================*/ - const void* ptr) /*!< in: pointer not - dereferenced */ -{ - const buf_chunk_t* chunk = buf_pool->chunks; - const buf_chunk_t* const echunk = chunk + buf_pool->n_chunks; - - /* TODO: protect buf_pool->chunks with a mutex (it will - currently remain constant after buf_pool_init()) */ - while (chunk < echunk) { - if (ptr >= (void *)chunk->blocks - && ptr < (void *)(chunk->blocks + chunk->size)) { - - return(TRUE); - } - - chunk++; - } - - return(FALSE); -} - -/********************************************************************//** -Find out if a buffer block was created by buf_chunk_init(). -@return TRUE if "block" has been added to buf_pool->free by buf_chunk_init() */ -static -ibool -buf_block_is_uncompressed( -/*======================*/ - const buf_block_t* block) /*!< in: pointer to block, - not dereferenced */ -{ - ut_ad(buf_pool_mutex_own()); - - if (UNIV_UNLIKELY((((ulint) block) % sizeof *block) != 0)) { - /* The pointer should be aligned. */ - return(FALSE); - } - - return(buf_pointer_is_block_field((void *)block)); -} - -/********************************************************************//** -This is the general function used to get access to a database page. -@return pointer to the block or NULL */ -UNIV_INTERN -buf_block_t* -buf_page_get_gen( -/*=============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint offset, /*!< in: page number */ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - buf_block_t* guess, /*!< in: guessed block or NULL */ - ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH, or - BUF_GET_IF_IN_POOL_OR_WATCH */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - buf_block_t* block; - ulint fold; - unsigned access_time; - ulint fix_type; - ibool must_read; - ulint retries = 0; - - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad((rw_latch == RW_S_LATCH) - || (rw_latch == RW_X_LATCH) - || (rw_latch == RW_NO_LATCH)); - ut_ad((mode != BUF_GET_NO_LATCH) || (rw_latch == RW_NO_LATCH)); - ut_ad(mode == BUF_GET - || mode == BUF_GET_IF_IN_POOL - || mode == BUF_GET_NO_LATCH - || mode == BUF_GET_IF_IN_POOL_OR_WATCH); - ut_ad(zip_size == fil_space_get_zip_size(space)); - ut_ad(ut_is_2pow(zip_size)); -#ifndef UNIV_LOG_DEBUG - ut_ad(!ibuf_inside() || ibuf_page(space, zip_size, offset, NULL)); -#endif - buf_pool->stat.n_page_gets++; - fold = buf_page_address_fold(space, offset); -loop: - block = guess; - buf_pool_mutex_enter(); - - if (block) { - /* If the guess is a compressed page descriptor that - has been allocated by buf_buddy_alloc(), it may have - been invalidated by buf_buddy_relocate(). In that - case, block could point to something that happens to - contain the expected bits in block->page. Similarly, - the guess may be pointing to a buffer pool chunk that - has been released when resizing the buffer pool. */ - - if (!buf_block_is_uncompressed(block) - || offset != block->page.offset - || space != block->page.space - || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { - - block = guess = NULL; - } else { - ut_ad(!block->page.in_zip_hash); - ut_ad(block->page.in_page_hash); - } - } - - if (block == NULL) { - block = (buf_block_t*) buf_page_hash_get_low(space, offset, - fold); - } - -loop2: - if (block && buf_pool_watch_is(&block->page)) { - block = NULL; - } - - if (block == NULL) { - /* Page not in buf_pool: needs to be read from file */ - - if (mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - block = (buf_block_t*) buf_pool_watch_set( - space, offset, fold); - - if (UNIV_LIKELY_NULL(block)) { - - goto got_block; - } - } - - buf_pool_mutex_exit(); - - if (mode == BUF_GET_IF_IN_POOL - || mode == BUF_GET_IF_IN_POOL_OR_WATCH) { - - return(NULL); - } - - if (buf_read_page(space, zip_size, offset)) { - retries = 0; - } else if (retries < BUF_PAGE_READ_MAX_RETRIES) { - ++retries; - } else { - fprintf(stderr, "InnoDB: Error: Unable" - " to read tablespace %lu page no" - " %lu into the buffer pool after" - " %lu attempts\n" - "InnoDB: The most probable cause" - " of this error may be that the" - " table has been corrupted.\n" - "InnoDB: You can try to fix this" - " problem by using" - " innodb_force_recovery.\n" - "InnoDB: Please see reference manual" - " for more details.\n" - "InnoDB: Aborting...\n", - space, offset, - BUF_PAGE_READ_MAX_RETRIES); - - ut_error; - } - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 37 || buf_validate()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - goto loop; - } - -got_block: - ut_ad(page_zip_get_size(&block->page.zip) == zip_size); - - must_read = buf_block_get_io_fix(block) == BUF_IO_READ; - - if (must_read && mode == BUF_GET_IF_IN_POOL) { - - /* The page is being read to buffer pool, - but we cannot wait around for the read to - complete. */ - buf_pool_mutex_exit(); - - return(NULL); - } - - switch (buf_block_get_state(block)) { - buf_page_t* bpage; - ibool success; - - case BUF_BLOCK_FILE_PAGE: - break; - - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - bpage = &block->page; - /* Protect bpage->buf_fix_count. */ - mutex_enter(&buf_pool_zip_mutex); - - if (bpage->buf_fix_count - || buf_page_get_io_fix(bpage) != BUF_IO_NONE) { - /* This condition often occurs when the buffer - is not buffer-fixed, but I/O-fixed by - buf_page_init_for_read(). */ - mutex_exit(&buf_pool_zip_mutex); -wait_until_unfixed: - /* The block is buffer-fixed or I/O-fixed. - Try again later. */ - buf_pool_mutex_exit(); - os_thread_sleep(WAIT_FOR_READ); - - goto loop; - } - - /* Allocate an uncompressed page. */ - buf_pool_mutex_exit(); - mutex_exit(&buf_pool_zip_mutex); - - block = buf_LRU_get_free_block(0); - ut_a(block); - - buf_pool_mutex_enter(); - mutex_enter(&block->mutex); - - { - buf_page_t* hash_bpage - = buf_page_hash_get_low(space, offset, fold); - - if (UNIV_UNLIKELY(bpage != hash_bpage)) { - /* The buf_pool->page_hash was modified - while buf_pool_mutex was released. - Free the block that was allocated. */ - - buf_LRU_block_free_non_file_page(block); - mutex_exit(&block->mutex); - - block = (buf_block_t*) hash_bpage; - goto loop2; - } - } - - if (UNIV_UNLIKELY - (bpage->buf_fix_count - || buf_page_get_io_fix(bpage) != BUF_IO_NONE)) { - - /* The block was buffer-fixed or I/O-fixed - while buf_pool_mutex was not held by this thread. - Free the block that was allocated and try again. - This should be extremely unlikely. */ - - buf_LRU_block_free_non_file_page(block); - mutex_exit(&block->mutex); - - goto wait_until_unfixed; - } - - /* Move the compressed page from bpage to block, - and uncompress it. */ - - mutex_enter(&buf_pool_zip_mutex); - - buf_relocate(bpage, &block->page); - buf_block_init_low(block); - block->lock_hash_val = lock_rec_hash(space, offset); - - UNIV_MEM_DESC(&block->page.zip.data, - page_zip_get_size(&block->page.zip), block); - - if (buf_page_get_state(&block->page) - == BUF_BLOCK_ZIP_PAGE) { - UT_LIST_REMOVE(list, buf_pool->zip_clean, - &block->page); - ut_ad(!block->page.in_flush_list); - } else { - /* Relocate buf_pool->flush_list. */ - buf_flush_relocate_on_flush_list(bpage, - &block->page); - } - - /* Buffer-fix, I/O-fix, and X-latch the block - for the duration of the decompression. - Also add the block to the unzip_LRU list. */ - block->page.state = BUF_BLOCK_FILE_PAGE; - - /* Insert at the front of unzip_LRU list */ - buf_unzip_LRU_add_block(block, FALSE); - - block->page.buf_fix_count = 1; - buf_block_set_io_fix(block, BUF_IO_READ); - rw_lock_x_lock(&block->lock); - - UNIV_MEM_INVALID(bpage, sizeof *bpage); - - mutex_exit(&block->mutex); - mutex_exit(&buf_pool_zip_mutex); - buf_pool->n_pend_unzip++; - - buf_buddy_free(bpage, sizeof *bpage); - - buf_pool_mutex_exit(); - - /* Decompress the page and apply buffered operations - while not holding buf_pool_mutex or block->mutex. */ - success = buf_zip_decompress(block, srv_use_checksums); - - if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) { - ibuf_merge_or_delete_for_page(block, space, offset, - zip_size, TRUE); - } - - /* Unfix and unlatch the block. */ - buf_pool_mutex_enter(); - mutex_enter(&block->mutex); - block->page.buf_fix_count--; - buf_block_set_io_fix(block, BUF_IO_NONE); - mutex_exit(&block->mutex); - buf_pool->n_pend_unzip--; - rw_lock_x_unlock(&block->lock); - - if (UNIV_UNLIKELY(!success)) { - - buf_pool_mutex_exit(); - return(NULL); - } - - break; - - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - } - - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - mutex_enter(&block->mutex); - UNIV_MEM_ASSERT_RW(&block->page, sizeof block->page); - - buf_block_buf_fix_inc(block, file, line); - - mutex_exit(&block->mutex); - - /* Check if this is the first access to the page */ - - access_time = buf_page_is_accessed(&block->page); - - buf_pool_mutex_exit(); - - buf_page_set_accessed_make_young(&block->page, access_time); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - ut_a(!block->page.file_page_was_freed); -#endif - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 5771 || buf_validate()); - ut_a(block->page.buf_fix_count > 0); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - switch (rw_latch) { - case RW_NO_LATCH: - if (must_read) { - /* Let us wait until the read operation - completes */ - - for (;;) { - enum buf_io_fix io_fix; - - mutex_enter(&block->mutex); - io_fix = buf_block_get_io_fix(block); - mutex_exit(&block->mutex); - - if (io_fix == BUF_IO_READ) { - - os_thread_sleep(WAIT_FOR_READ); - } else { - break; - } - } - } - - fix_type = MTR_MEMO_BUF_FIX; - break; - - case RW_S_LATCH: - rw_lock_s_lock_func(&(block->lock), 0, file, line); - - fix_type = MTR_MEMO_PAGE_S_FIX; - break; - - default: - ut_ad(rw_latch == RW_X_LATCH); - rw_lock_x_lock_func(&(block->lock), 0, file, line); - - fix_type = MTR_MEMO_PAGE_X_FIX; - break; - } - - mtr_memo_push(mtr, block, fix_type); - - if (!access_time) { - /* In the case of a first access, try to apply linear - read-ahead */ - - buf_read_ahead_linear(space, zip_size, offset); - } - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(buf_block_get_space(block), - buf_block_get_page_no(block)) == 0); -#endif - return(block); -} - -/********************************************************************//** -This is the general function used to get optimistic access to a database -page. -@return TRUE if success */ -UNIV_INTERN -ibool -buf_page_optimistic_get( -/*====================*/ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /*!< in: guessed buffer block */ - ib_uint64_t modify_clock,/*!< in: modify clock value if mode is - ..._GUESS_ON_CLOCK */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - unsigned access_time; - ibool success; - ulint fix_type; - - ut_ad(block); - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); - - mutex_enter(&block->mutex); - - if (UNIV_UNLIKELY(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE)) { - - mutex_exit(&block->mutex); - - return(FALSE); - } - - buf_block_buf_fix_inc(block, file, line); - - mutex_exit(&block->mutex); - - /* Check if this is the first access to the page. - We do a dirty read on purpose, to avoid mutex contention. - This field is only used for heuristic purposes; it does not - affect correctness. */ - - access_time = buf_page_is_accessed(&block->page); - buf_page_set_accessed_make_young(&block->page, access_time); - - ut_ad(!ibuf_inside() - || ibuf_page(buf_block_get_space(block), - buf_block_get_zip_size(block), - buf_block_get_page_no(block), NULL)); - - if (rw_latch == RW_S_LATCH) { - success = rw_lock_s_lock_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_S_FIX; - } else { - success = rw_lock_x_lock_func_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_X_FIX; - } - - if (UNIV_UNLIKELY(!success)) { - mutex_enter(&block->mutex); - buf_block_buf_fix_dec(block); - mutex_exit(&block->mutex); - - return(FALSE); - } - - if (UNIV_UNLIKELY(modify_clock != block->modify_clock)) { - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - if (rw_latch == RW_S_LATCH) { - rw_lock_s_unlock(&(block->lock)); - } else { - rw_lock_x_unlock(&(block->lock)); - } - - mutex_enter(&block->mutex); - buf_block_buf_fix_dec(block); - mutex_exit(&block->mutex); - - return(FALSE); - } - - mtr_memo_push(mtr, block, fix_type); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 5771 || buf_validate()); - ut_a(block->page.buf_fix_count > 0); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -#ifdef UNIV_DEBUG_FILE_ACCESSES - ut_a(block->page.file_page_was_freed == FALSE); -#endif - if (UNIV_UNLIKELY(!access_time)) { - /* In the case of a first access, try to apply linear - read-ahead */ - - buf_read_ahead_linear(buf_block_get_space(block), - buf_block_get_zip_size(block), - buf_block_get_page_no(block)); - } - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(buf_block_get_space(block), - buf_block_get_page_no(block)) == 0); -#endif - buf_pool->stat.n_page_gets++; - - return(TRUE); -} - -/********************************************************************//** -This is used to get access to a known database page, when no waiting can be -done. For example, if a search in an adaptive hash index leads us to this -frame. -@return TRUE if success */ -UNIV_INTERN -ibool -buf_page_get_known_nowait( -/*======================*/ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /*!< in: the known page */ - ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - ibool success; - ulint fix_type; - - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); - - mutex_enter(&block->mutex); - - if (buf_block_get_state(block) == BUF_BLOCK_REMOVE_HASH) { - /* Another thread is just freeing the block from the LRU list - of the buffer pool: do not try to access this page; this - attempt to access the page can only come through the hash - index because when the buffer block state is ..._REMOVE_HASH, - we have already removed it from the page address hash table - of the buffer pool. */ - - mutex_exit(&block->mutex); - - return(FALSE); - } - - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - buf_block_buf_fix_inc(block, file, line); - - mutex_exit(&block->mutex); - - if (mode == BUF_MAKE_YOUNG && buf_page_peek_if_too_old(&block->page)) { - buf_pool_mutex_enter(); - buf_LRU_make_block_young(&block->page); - buf_pool_mutex_exit(); - } else if (!buf_page_is_accessed(&block->page)) { - /* Above, we do a dirty read on purpose, to avoid - mutex contention. The field buf_page_t::access_time - is only used for heuristic purposes. Writes to the - field must be protected by mutex, however. */ - ulint time_ms = ut_time_ms(); - - buf_pool_mutex_enter(); - buf_page_set_accessed(&block->page, time_ms); - buf_pool_mutex_exit(); - } - - ut_ad(!ibuf_inside() || (mode == BUF_KEEP_OLD)); - - if (rw_latch == RW_S_LATCH) { - success = rw_lock_s_lock_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_S_FIX; - } else { - success = rw_lock_x_lock_func_nowait(&(block->lock), - file, line); - fix_type = MTR_MEMO_PAGE_X_FIX; - } - - if (!success) { - mutex_enter(&block->mutex); - buf_block_buf_fix_dec(block); - mutex_exit(&block->mutex); - - return(FALSE); - } - - mtr_memo_push(mtr, block, fix_type); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 5771 || buf_validate()); - ut_a(block->page.buf_fix_count > 0); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#ifdef UNIV_DEBUG_FILE_ACCESSES - ut_a(block->page.file_page_was_freed == FALSE); -#endif - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a((mode == BUF_KEEP_OLD) - || (ibuf_count_get(buf_block_get_space(block), - buf_block_get_page_no(block)) == 0)); -#endif - buf_pool->stat.n_page_gets++; - - return(TRUE); -} - -/*******************************************************************//** -Given a tablespace id and page number tries to get that page. If the -page is not in the buffer pool it is not loaded and NULL is returned. -Suitable for using when holding the kernel mutex. -@return pointer to a page or NULL */ -UNIV_INTERN -const buf_block_t* -buf_page_try_get_func( -/*==================*/ - ulint space_id,/*!< in: tablespace id */ - ulint page_no,/*!< in: page number */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - buf_block_t* block; - ibool success; - ulint fix_type; - - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - - buf_pool_mutex_enter(); - block = buf_block_hash_get(space_id, page_no); - - if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { - buf_pool_mutex_exit(); - return(NULL); - } - - ut_ad(!buf_pool_watch_is(&block->page)); - - mutex_enter(&block->mutex); - buf_pool_mutex_exit(); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_a(buf_block_get_space(block) == space_id); - ut_a(buf_block_get_page_no(block) == page_no); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - buf_block_buf_fix_inc(block, file, line); - mutex_exit(&block->mutex); - - fix_type = MTR_MEMO_PAGE_S_FIX; - success = rw_lock_s_lock_nowait(&block->lock, file, line); - - if (!success) { - /* Let us try to get an X-latch. If the current thread - is holding an X-latch on the page, we cannot get an - S-latch. */ - - fix_type = MTR_MEMO_PAGE_X_FIX; - success = rw_lock_x_lock_func_nowait(&block->lock, - file, line); - } - - if (!success) { - mutex_enter(&block->mutex); - buf_block_buf_fix_dec(block); - mutex_exit(&block->mutex); - - return(NULL); - } - - mtr_memo_push(mtr, block, fix_type); -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 5771 || buf_validate()); - ut_a(block->page.buf_fix_count > 0); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#ifdef UNIV_DEBUG_FILE_ACCESSES - ut_a(block->page.file_page_was_freed == FALSE); -#endif /* UNIV_DEBUG_FILE_ACCESSES */ - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - buf_pool->stat.n_page_gets++; - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(buf_block_get_space(block), - buf_block_get_page_no(block)) == 0); -#endif - - return(block); -} - -/********************************************************************//** -Initialize some fields of a control block. */ -UNIV_INLINE -void -buf_page_init_low( -/*==============*/ - buf_page_t* bpage) /*!< in: block to init */ -{ - bpage->flush_type = BUF_FLUSH_LRU; - bpage->io_fix = BUF_IO_NONE; - bpage->buf_fix_count = 0; - bpage->freed_page_clock = 0; - bpage->access_time = 0; - bpage->newest_modification = 0; - bpage->oldest_modification = 0; - HASH_INVALIDATE(bpage, hash); -#ifdef UNIV_DEBUG_FILE_ACCESSES - bpage->file_page_was_freed = FALSE; -#endif /* UNIV_DEBUG_FILE_ACCESSES */ -} - -/********************************************************************//** -Inits a page to the buffer buf_pool. */ -static -void -buf_page_init( -/*==========*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space - in units of a page */ - ulint fold, /*!< in: buf_page_address_fold(space,offset) */ - buf_block_t* block) /*!< in: block to init */ -{ - buf_page_t* hash_page; - - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(&(block->mutex))); - ut_a(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE); - - /* Set the state of the block */ - buf_block_set_file_page(block, space, offset); - -#ifdef UNIV_DEBUG_VALGRIND - if (!space) { - /* Silence valid Valgrind warnings about uninitialized - data being written to data files. There are some unused - bytes on some pages that InnoDB does not initialize. */ - UNIV_MEM_VALID(block->frame, UNIV_PAGE_SIZE); - } -#endif /* UNIV_DEBUG_VALGRIND */ - - buf_block_init_low(block); - - block->lock_hash_val = lock_rec_hash(space, offset); - - buf_page_init_low(&block->page); - - /* Insert into the hash table of file pages */ - - hash_page = buf_page_hash_get_low(space, offset, fold); - - if (UNIV_LIKELY(!hash_page)) { - } else if (UNIV_LIKELY(buf_pool_watch_is(hash_page))) { - /* Preserve the reference count. */ - ulint buf_fix_count = hash_page->buf_fix_count; - ut_a(buf_fix_count > 0); - block->page.buf_fix_count += buf_fix_count; - buf_pool_watch_remove(fold, hash_page); - } else { - fprintf(stderr, - "InnoDB: Error: page %lu %lu already found" - " in the hash table: %p, %p\n", - (ulong) space, - (ulong) offset, - (const void*) hash_page, (const void*) block); -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - mutex_exit(&block->mutex); - buf_pool_mutex_exit(); - buf_print(); - buf_LRU_print(); - buf_validate(); - buf_LRU_validate(); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - ut_error; - } - - ut_ad(!block->page.in_zip_hash); - ut_ad(!block->page.in_page_hash); - ut_d(block->page.in_page_hash = TRUE); - HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, - fold, &block->page); -} - -/********************************************************************//** -Function which inits a page for read to the buffer buf_pool. If the page is -(1) already in buf_pool, or -(2) if we specify to read only ibuf pages and the page is not an ibuf page, or -(3) if the space is deleted or being deleted, -then this function does nothing. -Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock -on the buffer frame. The io-handler must take care that the flag is cleared -and the lock released later. -@return pointer to the block or NULL */ -UNIV_INTERN -buf_page_t* -buf_page_init_for_read( -/*===================*/ - ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ - ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - ibool unzip, /*!< in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong - version of the tablespace in case we have done - DISCARD + IMPORT */ - ulint offset) /*!< in: page number */ -{ - buf_block_t* block; - buf_page_t* bpage = NULL; - buf_page_t* watch_page; - mtr_t mtr; - ulint fold; - ibool lru = FALSE; - void* data; - - ut_ad(buf_pool); - - *err = DB_SUCCESS; - - if (mode == BUF_READ_IBUF_PAGES_ONLY) { - /* It is a read-ahead within an ibuf routine */ - - ut_ad(!ibuf_bitmap_page(zip_size, offset)); - ut_ad(ibuf_inside()); - - mtr_start(&mtr); - - if (!recv_no_ibuf_operations - && !ibuf_page(space, zip_size, offset, &mtr)) { - - mtr_commit(&mtr); - - return(NULL); - } - } else { - ut_ad(mode == BUF_READ_ANY_PAGE); - } - - if (zip_size && UNIV_LIKELY(!unzip) - && UNIV_LIKELY(!recv_recovery_is_on())) { - block = NULL; - } else { - block = buf_LRU_get_free_block(0); - ut_ad(block); - } - - fold = buf_page_address_fold(space, offset); - - buf_pool_mutex_enter(); - - watch_page = buf_page_hash_get_low(space, offset, fold); - if (watch_page && !buf_pool_watch_is(watch_page)) { - /* The page is already in the buffer pool. */ - watch_page = NULL; -err_exit: - if (block) { - mutex_enter(&block->mutex); - buf_LRU_block_free_non_file_page(block); - mutex_exit(&block->mutex); - } - - bpage = NULL; - goto func_exit; - } - - if (fil_tablespace_deleted_or_being_deleted_in_mem( - space, tablespace_version)) { - /* The page belongs to a space which has been - deleted or is being deleted. */ - *err = DB_TABLESPACE_DELETED; - - goto err_exit; - } - - if (block) { - bpage = &block->page; - mutex_enter(&block->mutex); - - buf_page_init(space, offset, fold, block); - - /* The block must be put to the LRU list, to the old blocks */ - buf_LRU_add_block(bpage, TRUE/* to old blocks */); - - /* We set a pass-type x-lock on the frame because then - the same thread which called for the read operation - (and is running now at this point of code) can wait - for the read to complete by waiting for the x-lock on - the frame; if the x-lock were recursive, the same - thread would illegally get the x-lock before the page - read is completed. The x-lock is cleared by the - io-handler thread. */ - - rw_lock_x_lock_gen(&block->lock, BUF_IO_READ); - buf_page_set_io_fix(bpage, BUF_IO_READ); - - if (UNIV_UNLIKELY(zip_size)) { - page_zip_set_size(&block->page.zip, zip_size); - - /* buf_pool_mutex may be released and - reacquired by buf_buddy_alloc(). Thus, we - must release block->mutex in order not to - break the latching order in the reacquisition - of buf_pool_mutex. We also must defer this - operation until after the block descriptor has - been added to buf_pool->LRU and - buf_pool->page_hash. */ - mutex_exit(&block->mutex); - data = buf_buddy_alloc(zip_size, &lru); - mutex_enter(&block->mutex); - block->page.zip.data = data; - - /* To maintain the invariant - block->in_unzip_LRU_list - == buf_page_belongs_to_unzip_LRU(&block->page) - we have to add this block to unzip_LRU - after block->page.zip.data is set. */ - ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); - buf_unzip_LRU_add_block(block, TRUE); - } - - mutex_exit(&block->mutex); - } else { - /* Defer buf_buddy_alloc() until after the block has - been found not to exist. The buf_buddy_alloc() and - buf_buddy_free() calls may be expensive because of - buf_buddy_relocate(). */ - - /* The compressed page must be allocated before the - control block (bpage), in order to avoid the - invocation of buf_buddy_relocate_block() on - uninitialized data. */ - data = buf_buddy_alloc(zip_size, &lru); - bpage = buf_buddy_alloc(sizeof *bpage, &lru); - - /* If buf_buddy_alloc() allocated storage from the LRU list, - it released and reacquired buf_pool_mutex. Thus, we must - check the page_hash again, as it may have been modified. */ - if (UNIV_UNLIKELY(lru)) { - watch_page = buf_page_hash_get_low(space, offset, fold); - if (UNIV_UNLIKELY - (watch_page && !buf_pool_watch_is(watch_page))) { - - /* The block was added by some other thread. */ - watch_page = NULL; - buf_buddy_free(bpage, sizeof *bpage); - buf_buddy_free(data, zip_size); - - bpage = NULL; - goto func_exit; - } - } - - page_zip_des_init(&bpage->zip); - page_zip_set_size(&bpage->zip, zip_size); - bpage->zip.data = data; - - mutex_enter(&buf_pool_zip_mutex); - UNIV_MEM_DESC(bpage->zip.data, - page_zip_get_size(&bpage->zip), bpage); - - buf_page_init_low(bpage); - - bpage->state = BUF_BLOCK_ZIP_PAGE; - bpage->space = space; - bpage->offset = offset; - - -#ifdef UNIV_DEBUG - bpage->in_page_hash = FALSE; - bpage->in_zip_hash = FALSE; - bpage->in_flush_list = FALSE; - bpage->in_free_list = FALSE; - bpage->in_LRU_list = FALSE; -#endif /* UNIV_DEBUG */ - - ut_d(bpage->in_page_hash = TRUE); - - if (UNIV_LIKELY_NULL(watch_page)) { - /* Preserve the reference count. */ - ulint buf_fix_count = watch_page->buf_fix_count; - ut_a(buf_fix_count > 0); - bpage->buf_fix_count += buf_fix_count; - ut_ad(buf_pool_watch_is(watch_page)); - buf_pool_watch_remove(fold, watch_page); - } - - HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, - bpage); - - /* The block must be put to the LRU list, to the old blocks */ - buf_LRU_add_block(bpage, TRUE/* to old blocks */); - buf_LRU_insert_zip_clean(bpage); - - buf_page_set_io_fix(bpage, BUF_IO_READ); - - mutex_exit(&buf_pool_zip_mutex); - } - - buf_pool->n_pend_reads++; -func_exit: - buf_pool_mutex_exit(); - - if (mode == BUF_READ_IBUF_PAGES_ONLY) { - - mtr_commit(&mtr); - } - - ut_ad(!bpage || buf_page_in_file(bpage)); - return(bpage); -} - -/********************************************************************//** -Initializes a page to the buffer buf_pool. The page is usually not read -from a file even if it cannot be found in the buffer buf_pool. This is one -of the functions which perform to a block a state transition NOT_USED => -FILE_PAGE (the other is buf_page_get_gen). -@return pointer to the block, page bufferfixed */ -UNIV_INTERN -buf_block_t* -buf_page_create( -/*============*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space in units of - a page */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - buf_frame_t* frame; - buf_block_t* block; - buf_block_t* free_block = NULL; - ulint time_ms = ut_time_ms(); - ulint fold; - - ut_ad(mtr); - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad(space || !zip_size); - - free_block = buf_LRU_get_free_block(0); - - fold = buf_page_address_fold(space, offset); - - buf_pool_mutex_enter(); - - block = (buf_block_t*) buf_page_hash_get_low(space, offset, fold); - - if (block && buf_page_in_file(&block->page) - && !buf_pool_watch_is(&block->page)) { -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(space, offset) == 0); -#endif -#ifdef UNIV_DEBUG_FILE_ACCESSES - block->page.file_page_was_freed = FALSE; -#endif /* UNIV_DEBUG_FILE_ACCESSES */ - - /* Page can be found in buf_pool */ - buf_pool_mutex_exit(); - - buf_block_free(free_block); - - return(buf_page_get_with_no_latch(space, zip_size, - offset, mtr)); - } - - /* If we get here, the page was not in buf_pool: init it there */ - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, "Creating space %lu page %lu to buffer\n", - (ulong) space, (ulong) offset); - } -#endif /* UNIV_DEBUG */ - - block = free_block; - - mutex_enter(&block->mutex); - - buf_page_init(space, offset, fold, block); - - /* The block must be put to the LRU list */ - buf_LRU_add_block(&block->page, FALSE); - - buf_block_buf_fix_inc(block, __FILE__, __LINE__); - buf_pool->stat.n_pages_created++; - - if (zip_size) { - void* data; - ibool lru; - - /* Prevent race conditions during buf_buddy_alloc(), - which may release and reacquire buf_pool_mutex, - by IO-fixing and X-latching the block. */ - - buf_page_set_io_fix(&block->page, BUF_IO_READ); - rw_lock_x_lock(&block->lock); - - page_zip_set_size(&block->page.zip, zip_size); - mutex_exit(&block->mutex); - /* buf_pool_mutex may be released and reacquired by - buf_buddy_alloc(). Thus, we must release block->mutex - in order not to break the latching order in - the reacquisition of buf_pool_mutex. We also must - defer this operation until after the block descriptor - has been added to buf_pool->LRU and buf_pool->page_hash. */ - data = buf_buddy_alloc(zip_size, &lru); - mutex_enter(&block->mutex); - block->page.zip.data = data; - - /* To maintain the invariant - block->in_unzip_LRU_list - == buf_page_belongs_to_unzip_LRU(&block->page) - we have to add this block to unzip_LRU after - block->page.zip.data is set. */ - ut_ad(buf_page_belongs_to_unzip_LRU(&block->page)); - buf_unzip_LRU_add_block(block, FALSE); - - buf_page_set_io_fix(&block->page, BUF_IO_NONE); - rw_lock_x_unlock(&block->lock); - } - - buf_page_set_accessed(&block->page, time_ms); - - buf_pool_mutex_exit(); - - mtr_memo_push(mtr, block, MTR_MEMO_BUF_FIX); - - mutex_exit(&block->mutex); - - /* Delete possible entries for the page from the insert buffer: - such can exist if the page belonged to an index which was dropped */ - - ibuf_merge_or_delete_for_page(NULL, space, offset, zip_size, TRUE); - - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); - - frame = block->frame; - - memset(frame + FIL_PAGE_PREV, 0xff, 4); - memset(frame + FIL_PAGE_NEXT, 0xff, 4); - mach_write_to_2(frame + FIL_PAGE_TYPE, FIL_PAGE_TYPE_ALLOCATED); - - /* Reset to zero the file flush lsn field in the page; if the first - page of an ibdata file is 'created' in this function into the buffer - pool then we lose the original contents of the file flush lsn stamp. - Then InnoDB could in a crash recovery print a big, false, corruption - warning if the stamp contains an lsn bigger than the ib_logfile lsn. */ - - memset(frame + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(++buf_dbg_counter % 357 || buf_validate()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(buf_block_get_space(block), - buf_block_get_page_no(block)) == 0); -#endif - return(block); -} - -/********************************************************************//** -Completes an asynchronous read or write request of a file page to or from -the buffer pool. */ -UNIV_INTERN -void -buf_page_io_complete( -/*=================*/ - buf_page_t* bpage) /*!< in: pointer to the block in question */ -{ - enum buf_io_fix io_type; - const ibool uncompressed = (buf_page_get_state(bpage) - == BUF_BLOCK_FILE_PAGE); - - ut_a(buf_page_in_file(bpage)); - - /* We do not need protect io_fix here by mutex to read - it because this is the only function where we can change the value - from BUF_IO_READ or BUF_IO_WRITE to some other value, and our code - ensures that this is the only thread that handles the i/o for this - block. */ - - io_type = buf_page_get_io_fix(bpage); - ut_ad(io_type == BUF_IO_READ || io_type == BUF_IO_WRITE); - - if (io_type == BUF_IO_READ) { - ulint read_page_no; - ulint read_space_id; - byte* frame; - - if (buf_page_get_zip_size(bpage)) { - frame = bpage->zip.data; - buf_pool->n_pend_unzip++; - if (uncompressed - && !buf_zip_decompress((buf_block_t*) bpage, - FALSE)) { - - buf_pool->n_pend_unzip--; - goto corrupt; - } - buf_pool->n_pend_unzip--; - } else { - ut_a(uncompressed); - frame = ((buf_block_t*) bpage)->frame; - } - - /* If this page is not uninitialized and not in the - doublewrite buffer, then the page number and space id - should be the same as in block. */ - read_page_no = mach_read_from_4(frame + FIL_PAGE_OFFSET); - read_space_id = mach_read_from_4( - frame + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - - if (bpage->space == TRX_SYS_SPACE - && trx_doublewrite_page_inside(bpage->offset)) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: reading page %lu\n" - "InnoDB: which is in the" - " doublewrite buffer!\n", - (ulong) bpage->offset); - } else if (!read_space_id && !read_page_no) { - /* This is likely an uninitialized page. */ - } else if ((bpage->space - && bpage->space != read_space_id) - || bpage->offset != read_page_no) { - /* We did not compare space_id to read_space_id - if bpage->space == 0, because the field on the - page may contain garbage in MySQL < 4.1.1, - which only supported bpage->space == 0. */ - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: space id and page n:o" - " stored in the page\n" - "InnoDB: read in are %lu:%lu," - " should be %lu:%lu!\n", - (ulong) read_space_id, (ulong) read_page_no, - (ulong) bpage->space, - (ulong) bpage->offset); - } - - /* From version 3.23.38 up we store the page checksum - to the 4 first bytes of the page end lsn field */ - - if (buf_page_is_corrupted(frame, - buf_page_get_zip_size(bpage))) { -corrupt: - fprintf(stderr, - "InnoDB: Database page corruption on disk" - " or a failed\n" - "InnoDB: file read of page %lu.\n" - "InnoDB: You may have to recover" - " from a backup.\n", - (ulong) bpage->offset); - buf_page_print(frame, buf_page_get_zip_size(bpage)); - fprintf(stderr, - "InnoDB: Database page corruption on disk" - " or a failed\n" - "InnoDB: file read of page %lu.\n" - "InnoDB: You may have to recover" - " from a backup.\n", - (ulong) bpage->offset); - fputs("InnoDB: It is also possible that" - " your operating\n" - "InnoDB: system has corrupted its" - " own file cache\n" - "InnoDB: and rebooting your computer" - " removes the\n" - "InnoDB: error.\n" - "InnoDB: If the corrupt page is an index page\n" - "InnoDB: you can also try to" - " fix the corruption\n" - "InnoDB: by dumping, dropping," - " and reimporting\n" - "InnoDB: the corrupt table." - " You can use CHECK\n" - "InnoDB: TABLE to scan your" - " table for corruption.\n" - "InnoDB: See also " - REFMAN "forcing-recovery.html\n" - "InnoDB: about forcing recovery.\n", stderr); - - if (srv_force_recovery < SRV_FORCE_IGNORE_CORRUPT) { - fputs("InnoDB: Ending processing because of" - " a corrupt database page.\n", - stderr); - exit(1); - } - } - - if (recv_recovery_is_on()) { - /* Pages must be uncompressed for crash recovery. */ - ut_a(uncompressed); - recv_recover_page(TRUE, (buf_block_t*) bpage); - } - - if (uncompressed && !recv_no_ibuf_operations) { - ibuf_merge_or_delete_for_page( - (buf_block_t*) bpage, bpage->space, - bpage->offset, buf_page_get_zip_size(bpage), - TRUE); - } - } - - buf_pool_mutex_enter(); - mutex_enter(buf_page_get_mutex(bpage)); - -#ifdef UNIV_IBUF_COUNT_DEBUG - if (io_type == BUF_IO_WRITE || uncompressed) { - /* For BUF_IO_READ of compressed-only blocks, the - buffered operations will be merged by buf_page_get_gen() - after the block has been uncompressed. */ - ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); - } -#endif - /* Because this thread which does the unlocking is not the same that - did the locking, we use a pass value != 0 in unlock, which simply - removes the newest lock debug record, without checking the thread - id. */ - - buf_page_set_io_fix(bpage, BUF_IO_NONE); - - switch (io_type) { - case BUF_IO_READ: - /* NOTE that the call to ibuf may have moved the ownership of - the x-latch to this OS thread: do not let this confuse you in - debugging! */ - - ut_ad(buf_pool->n_pend_reads > 0); - buf_pool->n_pend_reads--; - buf_pool->stat.n_pages_read++; - - if (uncompressed) { - rw_lock_x_unlock_gen(&((buf_block_t*) bpage)->lock, - BUF_IO_READ); - } - - break; - - case BUF_IO_WRITE: - /* Write means a flush operation: call the completion - routine in the flush system */ - - buf_flush_write_complete(bpage); - - if (uncompressed) { - rw_lock_s_unlock_gen(&((buf_block_t*) bpage)->lock, - BUF_IO_WRITE); - } - - buf_pool->stat.n_pages_written++; - - break; - - default: - ut_error; - } - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, "Has %s page space %lu page no %lu\n", - io_type == BUF_IO_READ ? "read" : "written", - (ulong) buf_page_get_space(bpage), - (ulong) buf_page_get_page_no(bpage)); - } -#endif /* UNIV_DEBUG */ - - mutex_exit(buf_page_get_mutex(bpage)); - buf_pool_mutex_exit(); -} - -/*********************************************************************//** -Invalidates the file pages in the buffer pool when an archive recovery is -completed. All the file pages buffered must be in a replaceable state when -this function is called: not latched and not modified. */ -UNIV_INTERN -void -buf_pool_invalidate(void) -/*=====================*/ -{ - ibool freed; - enum buf_flush i; - - buf_pool_mutex_enter(); - - for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { - - /* As this function is called during startup and - during redo application phase during recovery, InnoDB - is single threaded (apart from IO helper threads) at - this stage. No new write batch can be in intialization - stage at this point. */ - ut_ad(buf_pool->init_flush[i] == FALSE); - - /* However, it is possible that a write batch that has - been posted earlier is still not complete. For buffer - pool invalidation to proceed we must ensure there is NO - write activity happening. */ - if (buf_pool->n_flush[i] > 0) { - buf_pool_mutex_exit(); - buf_flush_wait_batch_end(i); - buf_pool_mutex_enter(); - } - } - - buf_pool_mutex_exit(); - - ut_ad(buf_all_freed()); - - freed = TRUE; - - while (freed) { - freed = buf_LRU_search_and_free_block(100); - } - - buf_pool_mutex_enter(); - - ut_ad(UT_LIST_GET_LEN(buf_pool->LRU) == 0); - ut_ad(UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0); - - buf_pool->freed_page_clock = 0; - buf_pool->LRU_old = NULL; - buf_pool->LRU_old_len = 0; - buf_pool->LRU_flush_ended = 0; - - memset(&buf_pool->stat, 0x00, sizeof(buf_pool->stat)); - buf_refresh_io_stats(); - - buf_pool_mutex_exit(); -} - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/*********************************************************************//** -Validates the buffer buf_pool data structure. -@return TRUE */ -UNIV_INTERN -ibool -buf_validate(void) -/*==============*/ -{ - buf_page_t* b; - buf_chunk_t* chunk; - ulint i; - ulint n_single_flush = 0; - ulint n_lru_flush = 0; - ulint n_list_flush = 0; - ulint n_lru = 0; - ulint n_flush = 0; - ulint n_free = 0; - ulint n_zip = 0; - - ut_ad(buf_pool); - - buf_pool_mutex_enter(); - - chunk = buf_pool->chunks; - - /* Check the uncompressed blocks. */ - - for (i = buf_pool->n_chunks; i--; chunk++) { - - ulint j; - buf_block_t* block = chunk->blocks; - - for (j = chunk->size; j--; block++) { - - mutex_enter(&block->mutex); - - switch (buf_block_get_state(block)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - /* These should only occur on - zip_clean, zip_free[], or flush_list. */ - ut_error; - break; - - case BUF_BLOCK_FILE_PAGE: - ut_a(buf_page_hash_get(buf_block_get_space( - block), - buf_block_get_page_no( - block)) - == &block->page); - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(buf_page_get_io_fix(&block->page) - == BUF_IO_READ - || !ibuf_count_get(buf_block_get_space( - block), - buf_block_get_page_no( - block))); -#endif - switch (buf_page_get_io_fix(&block->page)) { - case BUF_IO_NONE: - break; - - case BUF_IO_WRITE: - switch (buf_page_get_flush_type( - &block->page)) { - case BUF_FLUSH_LRU: - n_lru_flush++; - ut_a(rw_lock_is_locked( - &block->lock, - RW_LOCK_SHARED)); - break; - case BUF_FLUSH_LIST: - n_list_flush++; - break; - case BUF_FLUSH_SINGLE_PAGE: - n_single_flush++; - break; - default: - ut_error; - } - - break; - - case BUF_IO_READ: - - ut_a(rw_lock_is_locked(&block->lock, - RW_LOCK_EX)); - break; - } - - n_lru++; - break; - - case BUF_BLOCK_NOT_USED: - n_free++; - break; - - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - /* do nothing */ - break; - } - - mutex_exit(&block->mutex); - } - } - - mutex_enter(&buf_pool_zip_mutex); - - /* Check clean compressed-only blocks. */ - - for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); - switch (buf_page_get_io_fix(b)) { - case BUF_IO_NONE: - /* All clean blocks should be I/O-unfixed. */ - break; - case BUF_IO_READ: - /* In buf_LRU_free_block(), we temporarily set - b->io_fix = BUF_IO_READ for a newly allocated - control block in order to prevent - buf_page_get_gen() from decompressing the block. */ - break; - default: - ut_error; - break; - } - - /* It is OK to read oldest_modification here because - we have acquired buf_pool_zip_mutex above which acts - as the 'block->mutex' for these bpages. */ - ut_a(!b->oldest_modification); - ut_a(buf_page_hash_get(b->space, b->offset) == b); - - n_lru++; - n_zip++; - } - - /* Check dirty blocks. */ - - buf_flush_list_mutex_enter(); - for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_ad(b->in_flush_list); - ut_a(b->oldest_modification); - n_flush++; - - switch (buf_page_get_state(b)) { - case BUF_BLOCK_ZIP_DIRTY: - n_lru++; - n_zip++; - switch (buf_page_get_io_fix(b)) { - case BUF_IO_NONE: - case BUF_IO_READ: - break; - case BUF_IO_WRITE: - switch (buf_page_get_flush_type(b)) { - case BUF_FLUSH_LRU: - n_lru_flush++; - break; - case BUF_FLUSH_LIST: - n_list_flush++; - break; - case BUF_FLUSH_SINGLE_PAGE: - n_single_flush++; - break; - default: - ut_error; - } - break; - } - break; - case BUF_BLOCK_FILE_PAGE: - /* uncompressed page */ - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - } - ut_a(buf_page_hash_get(b->space, b->offset) == b); - } - - ut_a(UT_LIST_GET_LEN(buf_pool->flush_list) == n_flush); - - buf_flush_list_mutex_exit(); - - mutex_exit(&buf_pool_zip_mutex); - - if (n_lru + n_free > buf_pool->curr_size + n_zip) { - fprintf(stderr, "n LRU %lu, n free %lu, pool %lu zip %lu\n", - (ulong) n_lru, (ulong) n_free, - (ulong) buf_pool->curr_size, (ulong) n_zip); - ut_error; - } - - ut_a(UT_LIST_GET_LEN(buf_pool->LRU) == n_lru); - if (UT_LIST_GET_LEN(buf_pool->free) != n_free) { - fprintf(stderr, "Free list len %lu, free blocks %lu\n", - (ulong) UT_LIST_GET_LEN(buf_pool->free), - (ulong) n_free); - ut_error; - } - - ut_a(buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE] == n_single_flush); - ut_a(buf_pool->n_flush[BUF_FLUSH_LIST] == n_list_flush); - ut_a(buf_pool->n_flush[BUF_FLUSH_LRU] == n_lru_flush); - - buf_pool_mutex_exit(); - - ut_a(buf_LRU_validate()); - ut_a(buf_flush_validate()); - - return(TRUE); -} -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/*********************************************************************//** -Prints info of the buffer buf_pool data structure. */ -UNIV_INTERN -void -buf_print(void) -/*===========*/ -{ - dulint* index_ids; - ulint* counts; - ulint size; - ulint i; - ulint j; - dulint id; - ulint n_found; - buf_chunk_t* chunk; - dict_index_t* index; - - ut_ad(buf_pool); - - size = buf_pool->curr_size; - - index_ids = mem_alloc(sizeof(dulint) * size); - counts = mem_alloc(sizeof(ulint) * size); - - buf_pool_mutex_enter(); - buf_flush_list_mutex_enter(); - - fprintf(stderr, - "buf_pool size %lu\n" - "database pages %lu\n" - "free pages %lu\n" - "modified database pages %lu\n" - "n pending decompressions %lu\n" - "n pending reads %lu\n" - "n pending flush LRU %lu list %lu single page %lu\n" - "pages made young %lu, not young %lu\n" - "pages read %lu, created %lu, written %lu\n", - (ulong) size, - (ulong) UT_LIST_GET_LEN(buf_pool->LRU), - (ulong) UT_LIST_GET_LEN(buf_pool->free), - (ulong) UT_LIST_GET_LEN(buf_pool->flush_list), - (ulong) buf_pool->n_pend_unzip, - (ulong) buf_pool->n_pend_reads, - (ulong) buf_pool->n_flush[BUF_FLUSH_LRU], - (ulong) buf_pool->n_flush[BUF_FLUSH_LIST], - (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE], - (ulong) buf_pool->stat.n_pages_made_young, - (ulong) buf_pool->stat.n_pages_not_made_young, - (ulong) buf_pool->stat.n_pages_read, - (ulong) buf_pool->stat.n_pages_created, - (ulong) buf_pool->stat.n_pages_written); - - buf_flush_list_mutex_exit(); - - /* Count the number of blocks belonging to each index in the buffer */ - - n_found = 0; - - chunk = buf_pool->chunks; - - for (i = buf_pool->n_chunks; i--; chunk++) { - buf_block_t* block = chunk->blocks; - ulint n_blocks = chunk->size; - - for (; n_blocks--; block++) { - const buf_frame_t* frame = block->frame; - - if (fil_page_get_type(frame) == FIL_PAGE_INDEX) { - - id = btr_page_get_index_id(frame); - - /* Look for the id in the index_ids array */ - j = 0; - - while (j < n_found) { - - if (ut_dulint_cmp(index_ids[j], - id) == 0) { - counts[j]++; - - break; - } - j++; - } - - if (j == n_found) { - n_found++; - index_ids[j] = id; - counts[j] = 1; - } - } - } - } - - buf_pool_mutex_exit(); - - for (i = 0; i < n_found; i++) { - index = dict_index_get_if_in_cache(index_ids[i]); - - fprintf(stderr, - "Block count for index %lu in buffer is about %lu", - (ulong) ut_dulint_get_low(index_ids[i]), - (ulong) counts[i]); - - if (index) { - putc(' ', stderr); - dict_index_name_print(stderr, NULL, index); - } - - putc('\n', stderr); - } - - mem_free(index_ids); - mem_free(counts); - - ut_a(buf_validate()); -} -#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Returns the number of latched pages in the buffer pool. -@return number of latched pages */ -UNIV_INTERN -ulint -buf_get_latched_pages_number(void) -/*==============================*/ -{ - buf_chunk_t* chunk; - buf_page_t* b; - ulint i; - ulint fixed_pages_number = 0; - - buf_pool_mutex_enter(); - - chunk = buf_pool->chunks; - - for (i = buf_pool->n_chunks; i--; chunk++) { - buf_block_t* block; - ulint j; - - block = chunk->blocks; - - for (j = chunk->size; j--; block++) { - if (buf_block_get_state(block) - != BUF_BLOCK_FILE_PAGE) { - - continue; - } - - mutex_enter(&block->mutex); - - if (block->page.buf_fix_count != 0 - || buf_page_get_io_fix(&block->page) - != BUF_IO_NONE) { - fixed_pages_number++; - } - - mutex_exit(&block->mutex); - } - } - - mutex_enter(&buf_pool_zip_mutex); - - /* Traverse the lists of clean and dirty compressed-only blocks. */ - - for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE); - ut_a(buf_page_get_io_fix(b) != BUF_IO_WRITE); - - if (b->buf_fix_count != 0 - || buf_page_get_io_fix(b) != BUF_IO_NONE) { - fixed_pages_number++; - } - } - - buf_flush_list_mutex_enter(); - for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; - b = UT_LIST_GET_NEXT(list, b)) { - ut_ad(b->in_flush_list); - - switch (buf_page_get_state(b)) { - case BUF_BLOCK_ZIP_DIRTY: - if (b->buf_fix_count != 0 - || buf_page_get_io_fix(b) != BUF_IO_NONE) { - fixed_pages_number++; - } - break; - case BUF_BLOCK_FILE_PAGE: - /* uncompressed page */ - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - } - } - - buf_flush_list_mutex_exit(); - mutex_exit(&buf_pool_zip_mutex); - buf_pool_mutex_exit(); - - return(fixed_pages_number); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Returns the number of pending buf pool ios. -@return number of pending I/O operations */ -UNIV_INTERN -ulint -buf_get_n_pending_ios(void) -/*=======================*/ -{ - return(buf_pool->n_pend_reads - + buf_pool->n_flush[BUF_FLUSH_LRU] - + buf_pool->n_flush[BUF_FLUSH_LIST] - + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); -} - -/*********************************************************************//** -Returns the ratio in percents of modified pages in the buffer pool / -database pages in the buffer pool. -@return modified page percentage ratio */ -UNIV_INTERN -ulint -buf_get_modified_ratio_pct(void) -/*============================*/ -{ - ulint ratio; - - /* This is for heuristics. No need to grab any mutex here. */ - ratio = (100 * UT_LIST_GET_LEN(buf_pool->flush_list)) - / (1 + UT_LIST_GET_LEN(buf_pool->LRU) - + UT_LIST_GET_LEN(buf_pool->free)); - - /* 1 + is there to avoid division by zero */ - - return(ratio); -} - -/*********************************************************************//** -Prints info of the buffer i/o. */ -UNIV_INTERN -void -buf_print_io( -/*=========*/ - FILE* file) /*!< in/out: buffer where to print */ -{ - time_t current_time; - double time_elapsed; - ulint n_gets_diff; - - ut_ad(buf_pool); - - buf_pool_mutex_enter(); - buf_flush_list_mutex_enter(); - - fprintf(file, - "Buffer pool size %lu\n" - "Free buffers %lu\n" - "Database pages %lu\n" - "Old database pages %lu\n" - "Modified db pages %lu\n" - "Pending reads %lu\n" - "Pending writes: LRU %lu, flush list %lu, single page %lu\n", - (ulong) buf_pool->curr_size, - (ulong) UT_LIST_GET_LEN(buf_pool->free), - (ulong) UT_LIST_GET_LEN(buf_pool->LRU), - (ulong) buf_pool->LRU_old_len, - (ulong) UT_LIST_GET_LEN(buf_pool->flush_list), - (ulong) buf_pool->n_pend_reads, - (ulong) buf_pool->n_flush[BUF_FLUSH_LRU] - + buf_pool->init_flush[BUF_FLUSH_LRU], - (ulong) buf_pool->n_flush[BUF_FLUSH_LIST] - + buf_pool->init_flush[BUF_FLUSH_LIST], - (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); - - buf_flush_list_mutex_exit(); - - current_time = time(NULL); - time_elapsed = 0.001 + difftime(current_time, - buf_pool->last_printout_time); - - fprintf(file, - "Pages made young %lu, not young %lu\n" - "%.2f youngs/s, %.2f non-youngs/s\n" - "Pages read %lu, created %lu, written %lu\n" - "%.2f reads/s, %.2f creates/s, %.2f writes/s\n", - (ulong) buf_pool->stat.n_pages_made_young, - (ulong) buf_pool->stat.n_pages_not_made_young, - (buf_pool->stat.n_pages_made_young - - buf_pool->old_stat.n_pages_made_young) - / time_elapsed, - (buf_pool->stat.n_pages_not_made_young - - buf_pool->old_stat.n_pages_not_made_young) - / time_elapsed, - (ulong) buf_pool->stat.n_pages_read, - (ulong) buf_pool->stat.n_pages_created, - (ulong) buf_pool->stat.n_pages_written, - (buf_pool->stat.n_pages_read - - buf_pool->old_stat.n_pages_read) - / time_elapsed, - (buf_pool->stat.n_pages_created - - buf_pool->old_stat.n_pages_created) - / time_elapsed, - (buf_pool->stat.n_pages_written - - buf_pool->old_stat.n_pages_written) - / time_elapsed); - - n_gets_diff = buf_pool->stat.n_page_gets - buf_pool->old_stat.n_page_gets; - - if (n_gets_diff) { - fprintf(file, - "Buffer pool hit rate %lu / 1000," - " young-making rate %lu / 1000 not %lu / 1000\n", - (ulong) - (1000 - ((1000 * (buf_pool->stat.n_pages_read - - buf_pool->old_stat.n_pages_read)) - / (buf_pool->stat.n_page_gets - - buf_pool->old_stat.n_page_gets))), - (ulong) - (1000 * (buf_pool->stat.n_pages_made_young - - buf_pool->old_stat.n_pages_made_young) - / n_gets_diff), - (ulong) - (1000 * (buf_pool->stat.n_pages_not_made_young - - buf_pool->old_stat.n_pages_not_made_young) - / n_gets_diff)); - } else { - fputs("No buffer pool page gets since the last printout\n", - file); - } - - /* Statistics about read ahead algorithm */ - fprintf(file, "Pages read ahead %.2f/s," - " evicted without access %.2f/s\n", - (buf_pool->stat.n_ra_pages_read - - buf_pool->old_stat.n_ra_pages_read) - / time_elapsed, - (buf_pool->stat.n_ra_pages_evicted - - buf_pool->old_stat.n_ra_pages_evicted) - / time_elapsed); - - /* Print some values to help us with visualizing what is - happening with LRU eviction. */ - fprintf(file, - "LRU len: %lu, unzip_LRU len: %lu\n" - "I/O sum[%lu]:cur[%lu], unzip sum[%lu]:cur[%lu]\n", - UT_LIST_GET_LEN(buf_pool->LRU), - UT_LIST_GET_LEN(buf_pool->unzip_LRU), - buf_LRU_stat_sum.io, buf_LRU_stat_cur.io, - buf_LRU_stat_sum.unzip, buf_LRU_stat_cur.unzip); - - buf_refresh_io_stats(); - buf_pool_mutex_exit(); -} - -/**********************************************************************//** -Refreshes the statistics used to print per-second averages. */ -UNIV_INTERN -void -buf_refresh_io_stats(void) -/*======================*/ -{ - buf_pool->last_printout_time = time(NULL); - buf_pool->old_stat = buf_pool->stat; -} - -/*********************************************************************//** -Asserts that all file pages in the buffer are in a replaceable state. -@return TRUE */ -UNIV_INTERN -ibool -buf_all_freed(void) -/*===============*/ -{ - buf_chunk_t* chunk; - ulint i; - - ut_ad(buf_pool); - - buf_pool_mutex_enter(); - - chunk = buf_pool->chunks; - - for (i = buf_pool->n_chunks; i--; chunk++) { - - const buf_block_t* block = buf_chunk_not_freed(chunk); - - if (UNIV_LIKELY_NULL(block)) { - fprintf(stderr, - "Page %lu %lu still fixed or dirty\n", - (ulong) block->page.space, - (ulong) block->page.offset); - ut_error; - } - } - - buf_pool_mutex_exit(); - - return(TRUE); -} - -/*********************************************************************//** -Checks that there currently are no pending i/o-operations for the buffer -pool. -@return TRUE if there is no pending i/o */ -UNIV_INTERN -ibool -buf_pool_check_no_pending_io(void) -/*==============================*/ -{ - ibool ret; - - buf_pool_mutex_enter(); - - if (buf_pool->n_pend_reads + buf_pool->n_flush[BUF_FLUSH_LRU] - + buf_pool->n_flush[BUF_FLUSH_LIST] - + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]) { - ret = FALSE; - } else { - ret = TRUE; - } - - buf_pool_mutex_exit(); - - return(ret); -} - -/*********************************************************************//** -Gets the current length of the free list of buffer blocks. -@return length of the free list */ -UNIV_INTERN -ulint -buf_get_free_list_len(void) -/*=======================*/ -{ - ulint len; - - buf_pool_mutex_enter(); - - len = UT_LIST_GET_LEN(buf_pool->free); - - buf_pool_mutex_exit(); - - return(len); -} -#else /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ -UNIV_INTERN -void -buf_page_init_for_backup_restore( -/*=============================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space - in units of a page */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - buf_block_t* block) /*!< in: block to init */ -{ - block->page.state = BUF_BLOCK_FILE_PAGE; - block->page.space = space; - block->page.offset = offset; - - page_zip_des_init(&block->page.zip); - - /* We assume that block->page.data has been allocated - with zip_size == UNIV_PAGE_SIZE. */ - ut_ad(zip_size <= UNIV_PAGE_SIZE); - ut_ad(ut_is_2pow(zip_size)); - page_zip_set_size(&block->page.zip, zip_size); - if (zip_size) { - block->page.zip.data = block->frame + UNIV_PAGE_SIZE; - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/buf/buf0flu.c b/perfschema/buf/buf0flu.c deleted file mode 100644 index 76923fd8595..00000000000 --- a/perfschema/buf/buf0flu.c +++ /dev/null @@ -1,1824 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file buf/buf0flu.c -The database buffer buf_pool flush algorithm - -Created 11/11/1995 Heikki Tuuri -*******************************************************/ - -#include "buf0flu.h" - -#ifdef UNIV_NONINL -#include "buf0flu.ic" -#endif - -#include "buf0buf.h" -#include "srv0srv.h" -#include "page0zip.h" -#ifndef UNIV_HOTBACKUP -#include "ut0byte.h" -#include "ut0lst.h" -#include "page0page.h" -#include "fil0fil.h" -#include "buf0lru.h" -#include "buf0rea.h" -#include "ibuf0ibuf.h" -#include "log0log.h" -#include "os0file.h" -#include "trx0sys.h" - -/********************************************************************** -These statistics are generated for heuristics used in estimating the -rate at which we should flush the dirty blocks to avoid bursty IO -activity. Note that the rate of flushing not only depends on how many -dirty pages we have in the buffer pool but it is also a fucntion of -how much redo the workload is generating and at what rate. */ -/* @{ */ - -/** Number of intervals for which we keep the history of these stats. -Each interval is 1 second, defined by the rate at which -srv_error_monitor_thread() calls buf_flush_stat_update(). */ -#define BUF_FLUSH_STAT_N_INTERVAL 20 - -/** Sampled values buf_flush_stat_cur. -Not protected by any mutex. Updated by buf_flush_stat_update(). */ -static buf_flush_stat_t buf_flush_stat_arr[BUF_FLUSH_STAT_N_INTERVAL]; - -/** Cursor to buf_flush_stat_arr[]. Updated in a round-robin fashion. */ -static ulint buf_flush_stat_arr_ind; - -/** Values at start of the current interval. Reset by -buf_flush_stat_update(). */ -static buf_flush_stat_t buf_flush_stat_cur; - -/** Running sum of past values of buf_flush_stat_cur. -Updated by buf_flush_stat_update(). Not protected by any mutex. */ -static buf_flush_stat_t buf_flush_stat_sum; - -/** Number of pages flushed through non flush_list flushes. */ -static ulint buf_lru_flush_page_count = 0; - -/* @} */ - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/******************************************************************//** -Validates the flush list. -@return TRUE if ok */ -static -ibool -buf_flush_validate_low(void); -/*========================*/ -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -/******************************************************************//** -Insert a block in the flush_rbt and returns a pointer to its -predecessor or NULL if no predecessor. The ordering is maintained -on the basis of the key. -@return pointer to the predecessor or NULL if no predecessor. */ -static -buf_page_t* -buf_flush_insert_in_flush_rbt( -/*==========================*/ - buf_page_t* bpage) /*!< in: bpage to be inserted. */ -{ - buf_page_t* prev = NULL; - const ib_rbt_node_t* c_node; - const ib_rbt_node_t* p_node; - - ut_ad(buf_flush_list_mutex_own()); - - /* Insert this buffer into the rbt. */ - c_node = rbt_insert(buf_pool->flush_rbt, &bpage, &bpage); - ut_a(c_node != NULL); - - /* Get the predecessor. */ - p_node = rbt_prev(buf_pool->flush_rbt, c_node); - - if (p_node != NULL) { - prev = *rbt_value(buf_page_t*, p_node); - ut_a(prev != NULL); - } - - return(prev); -} - -/*********************************************************//** -Delete a bpage from the flush_rbt. */ -static -void -buf_flush_delete_from_flush_rbt( -/*============================*/ - buf_page_t* bpage) /*!< in: bpage to be removed. */ -{ - - ibool ret = FALSE; - - ut_ad(buf_flush_list_mutex_own()); - - ret = rbt_delete(buf_pool->flush_rbt, &bpage); - ut_ad(ret); -} - -/*****************************************************************//** -Compare two modified blocks in the buffer pool. The key for comparison -is: -key = -This comparison is used to maintian ordering of blocks in the -buf_pool->flush_rbt. -Note that for the purpose of flush_rbt, we only need to order blocks -on the oldest_modification. The other two fields are used to uniquely -identify the blocks. -@return < 0 if b2 < b1, 0 if b2 == b1, > 0 if b2 > b1 */ -static -int -buf_flush_block_cmp( -/*================*/ - const void* p1, /*!< in: block1 */ - const void* p2) /*!< in: block2 */ -{ - int ret; - const buf_page_t* b1 = *(const buf_page_t**) p1; - const buf_page_t* b2 = *(const buf_page_t**) p2; - - ut_ad(b1 != NULL); - ut_ad(b2 != NULL); - - ut_ad(buf_flush_list_mutex_own()); - - ut_ad(b1->in_flush_list); - ut_ad(b2->in_flush_list); - - if (b2->oldest_modification - > b1->oldest_modification) { - return(1); - } - - if (b2->oldest_modification - < b1->oldest_modification) { - return(-1); - } - - /* If oldest_modification is same then decide on the space. */ - ret = (int)(b2->space - b1->space); - - /* Or else decide ordering on the offset field. */ - return(ret ? ret : (int)(b2->offset - b1->offset)); -} - -/********************************************************************//** -Initialize the red-black tree to speed up insertions into the flush_list -during recovery process. Should be called at the start of recovery -process before any page has been read/written. */ -UNIV_INTERN -void -buf_flush_init_flush_rbt(void) -/*==========================*/ -{ - buf_flush_list_mutex_enter(); - - /* Create red black tree for speedy insertions in flush list. */ - buf_pool->flush_rbt = rbt_create(sizeof(buf_page_t*), - buf_flush_block_cmp); - buf_flush_list_mutex_exit(); -} - -/********************************************************************//** -Frees up the red-black tree. */ -UNIV_INTERN -void -buf_flush_free_flush_rbt(void) -/*==========================*/ -{ - buf_flush_list_mutex_enter(); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - rbt_free(buf_pool->flush_rbt); - buf_pool->flush_rbt = NULL; - - buf_flush_list_mutex_exit(); -} - -/********************************************************************//** -Inserts a modified block into the flush list. */ -UNIV_INTERN -void -buf_flush_insert_into_flush_list( -/*=============================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn) /*!< in: oldest modification */ -{ - ut_ad(!buf_pool_mutex_own()); - ut_ad(mutex_own(&block->mutex)); - - buf_flush_list_mutex_enter(); - - ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) - || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification - <= lsn)); - - /* If we are in the recovery then we need to update the flush - red-black tree as well. */ - if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_list_mutex_exit(); - buf_flush_insert_sorted_into_flush_list(block, lsn); - return; - } - - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(!block->page.in_flush_list); - - ut_d(block->page.in_flush_list = TRUE); - block->page.oldest_modification = lsn; - UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - buf_flush_list_mutex_exit(); -} - -/********************************************************************//** -Inserts a modified block into the flush list in the right sorted position. -This function is used by recovery, because there the modifications do not -necessarily come in the order of lsn's. */ -UNIV_INTERN -void -buf_flush_insert_sorted_into_flush_list( -/*====================================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn) /*!< in: oldest modification */ -{ - buf_page_t* prev_b; - buf_page_t* b; - - ut_ad(!buf_pool_mutex_own()); - ut_ad(mutex_own(&block->mutex)); - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - buf_flush_list_mutex_enter(); - - ut_ad(!block->page.in_flush_list); - ut_d(block->page.in_flush_list = TRUE); - block->page.oldest_modification = lsn; - - prev_b = NULL; - - /* For the most part when this function is called the flush_rbt - should not be NULL. In a very rare boundary case it is possible - that the flush_rbt has already been freed by the recovery thread - before the last page was hooked up in the flush_list by the - io-handler thread. In that case we'll just do a simple - linear search in the else block. */ - if (buf_pool->flush_rbt) { - - prev_b = buf_flush_insert_in_flush_rbt(&block->page); - - } else { - - b = UT_LIST_GET_FIRST(buf_pool->flush_list); - - while (b && b->oldest_modification - > block->page.oldest_modification) { - ut_ad(b->in_flush_list); - prev_b = b; - b = UT_LIST_GET_NEXT(list, b); - } - } - - if (prev_b == NULL) { - UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); - } else { - UT_LIST_INSERT_AFTER(list, buf_pool->flush_list, - prev_b, &block->page); - } - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - buf_flush_list_mutex_exit(); -} - -/********************************************************************//** -Returns TRUE if the file page block is immediately suitable for replacement, -i.e., the transition FILE_PAGE => NOT_USED allowed. -@return TRUE if can replace immediately */ -UNIV_INTERN -ibool -buf_flush_ready_for_replace( -/*========================*/ - buf_page_t* bpage) /*!< in: buffer control block, must be - buf_page_in_file(bpage) and in the LRU list */ -{ - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_ad(bpage->in_LRU_list); - - if (UNIV_LIKELY(buf_page_in_file(bpage))) { - - return(bpage->oldest_modification == 0 - && buf_page_get_io_fix(bpage) == BUF_IO_NONE - && bpage->buf_fix_count == 0); - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: buffer block state %lu" - " in the LRU list!\n", - (ulong) buf_page_get_state(bpage)); - ut_print_buf(stderr, bpage, sizeof(buf_page_t)); - putc('\n', stderr); - - return(FALSE); -} - -/********************************************************************//** -Returns TRUE if the block is modified and ready for flushing. -@return TRUE if can flush immediately */ -UNIV_INLINE -ibool -buf_flush_ready_for_flush( -/*======================*/ - buf_page_t* bpage, /*!< in: buffer control block, must be - buf_page_in_file(bpage) */ - enum buf_flush flush_type)/*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ -{ - ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_ad(flush_type == BUF_FLUSH_LRU || BUF_FLUSH_LIST); - - if (bpage->oldest_modification != 0 - && buf_page_get_io_fix(bpage) == BUF_IO_NONE) { - ut_ad(bpage->in_flush_list); - - if (flush_type != BUF_FLUSH_LRU) { - - return(TRUE); - - } else if (bpage->buf_fix_count == 0) { - - /* If we are flushing the LRU list, to avoid deadlocks - we require the block not to be bufferfixed, and hence - not latched. */ - - return(TRUE); - } - } - - return(FALSE); -} - -/********************************************************************//** -Remove a block from the flush list of modified blocks. */ -UNIV_INTERN -void -buf_flush_remove( -/*=============*/ - buf_page_t* bpage) /*!< in: pointer to the block in question */ -{ - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_ad(bpage->in_flush_list); - - buf_flush_list_mutex_enter(); - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - /* clean compressed pages should not be on the flush list */ - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - return; - case BUF_BLOCK_ZIP_DIRTY: - buf_page_set_state(bpage, BUF_BLOCK_ZIP_PAGE); - UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); - buf_LRU_insert_zip_clean(bpage); - break; - case BUF_BLOCK_FILE_PAGE: - UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); - break; - } - - /* If the flush_rbt is active then delete from it as well. */ - if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_delete_from_flush_rbt(bpage); - } - - /* Must be done after we have removed it from the flush_rbt - because we assert on in_flush_list in comparison function. */ - ut_d(bpage->in_flush_list = FALSE); - - bpage->oldest_modification = 0; - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - buf_flush_list_mutex_exit(); -} - -/*******************************************************************//** -Relocates a buffer control block on the flush_list. -Note that it is assumed that the contents of bpage has already been -copied to dpage. -IMPORTANT: When this function is called bpage and dpage are not -exact copy of each other. For example, they both will have different -::state. Also the ::list pointers in dpage may be stale. We need to -use the current list node (bpage) to do the list manipulation because -the list pointers could have changed between the time that we copied -the contents of bpage to the dpage and the flush list manipulation -below. */ -UNIV_INTERN -void -buf_flush_relocate_on_flush_list( -/*=============================*/ - buf_page_t* bpage, /*!< in/out: control block being moved */ - buf_page_t* dpage) /*!< in/out: destination block */ -{ - buf_page_t* prev; - buf_page_t* prev_b = NULL; - - ut_ad(buf_pool_mutex_own()); - - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - - buf_flush_list_mutex_enter(); - - /* FIXME: At this point we have both buf_pool and flush_list - mutexes. Theoratically removal of a block from flush list is - only covered by flush_list mutex but currently we do - have buf_pool mutex in buf_flush_remove() therefore this block - is guaranteed to be in the flush list. We need to check if - this will work without the assumption of block removing code - having the buf_pool mutex. */ - ut_ad(bpage->in_flush_list); - ut_ad(dpage->in_flush_list); - - /* If recovery is active we must swap the control blocks in - the flush_rbt as well. */ - if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_delete_from_flush_rbt(bpage); - prev_b = buf_flush_insert_in_flush_rbt(dpage); - } - - /* Must be done after we have removed it from the flush_rbt - because we assert on in_flush_list in comparison function. */ - ut_d(bpage->in_flush_list = FALSE); - - prev = UT_LIST_GET_PREV(list, bpage); - UT_LIST_REMOVE(list, buf_pool->flush_list, bpage); - - if (prev) { - ut_ad(prev->in_flush_list); - UT_LIST_INSERT_AFTER( - list, - buf_pool->flush_list, - prev, dpage); - } else { - UT_LIST_ADD_FIRST( - list, - buf_pool->flush_list, - dpage); - } - - /* Just an extra check. Previous in flush_list - should be the same control block as in flush_rbt. */ - ut_a(!buf_pool->flush_rbt || prev_b == prev); - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - - buf_flush_list_mutex_exit(); -} - -/********************************************************************//** -Updates the flush system data structures when a write is completed. */ -UNIV_INTERN -void -buf_flush_write_complete( -/*=====================*/ - buf_page_t* bpage) /*!< in: pointer to the block in question */ -{ - enum buf_flush flush_type; - - ut_ad(bpage); - - buf_flush_remove(bpage); - - flush_type = buf_page_get_flush_type(bpage); - buf_pool->n_flush[flush_type]--; - - if (flush_type == BUF_FLUSH_LRU) { - /* Put the block to the end of the LRU list to wait to be - moved to the free list */ - - buf_LRU_make_block_old(bpage); - - buf_pool->LRU_flush_ended++; - } - - /* fprintf(stderr, "n pending flush %lu\n", - buf_pool->n_flush[flush_type]); */ - - if ((buf_pool->n_flush[flush_type] == 0) - && (buf_pool->init_flush[flush_type] == FALSE)) { - - /* The running flush batch has ended */ - - os_event_set(buf_pool->no_flush[flush_type]); - } -} - -/********************************************************************//** -Flush a batch of writes to the datafiles that have already been -written by the OS. */ -static -void -buf_flush_sync_datafiles(void) -/*==========================*/ -{ - /* Wake possible simulated aio thread to actually post the - writes to the operating system */ - os_aio_simulated_wake_handler_threads(); - - /* Wait that all async writes to tablespaces have been posted to - the OS */ - os_aio_wait_until_no_pending_writes(); - - /* Now we flush the data to disk (for example, with fsync) */ - fil_flush_file_spaces(FIL_TABLESPACE); - - return; -} - -/********************************************************************//** -Flushes possible buffered writes from the doublewrite memory buffer to disk, -and also wakes up the aio thread if simulated aio is used. It is very -important to call this function after a batch of writes has been posted, -and also when we may have to wait for a page latch! Otherwise a deadlock -of threads can occur. */ -static -void -buf_flush_buffered_writes(void) -/*===========================*/ -{ - byte* write_buf; - ulint len; - ulint len2; - ulint i; - - if (!srv_use_doublewrite_buf || trx_doublewrite == NULL) { - /* Sync the writes to the disk. */ - buf_flush_sync_datafiles(); - return; - } - - mutex_enter(&(trx_doublewrite->mutex)); - - /* Write first to doublewrite buffer blocks. We use synchronous - aio and thus know that file write has been completed when the - control returns. */ - - if (trx_doublewrite->first_free == 0) { - - mutex_exit(&(trx_doublewrite->mutex)); - - return; - } - - for (i = 0; i < trx_doublewrite->first_free; i++) { - - const buf_block_t* block; - - block = (buf_block_t*) trx_doublewrite->buf_block_arr[i]; - - if (buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE - || block->page.zip.data) { - /* No simple validate for compressed pages exists. */ - continue; - } - - if (UNIV_UNLIKELY - (memcmp(block->frame + (FIL_PAGE_LSN + 4), - block->frame + (UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), - 4))) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: The page to be written" - " seems corrupt!\n" - "InnoDB: The lsn fields do not match!" - " Noticed in the buffer pool\n" - "InnoDB: before posting to the" - " doublewrite buffer.\n"); - } - - if (!block->check_index_page_at_flush) { - } else if (page_is_comp(block->frame)) { - if (UNIV_UNLIKELY - (!page_simple_validate_new(block->frame))) { -corrupted_page: - buf_page_print(block->frame, 0); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Apparent corruption of an" - " index page n:o %lu in space %lu\n" - "InnoDB: to be written to data file." - " We intentionally crash server\n" - "InnoDB: to prevent corrupt data" - " from ending up in data\n" - "InnoDB: files.\n", - (ulong) buf_block_get_page_no(block), - (ulong) buf_block_get_space(block)); - - ut_error; - } - } else if (UNIV_UNLIKELY - (!page_simple_validate_old(block->frame))) { - - goto corrupted_page; - } - } - - /* increment the doublewrite flushed pages counter */ - srv_dblwr_pages_written+= trx_doublewrite->first_free; - srv_dblwr_writes++; - - len = ut_min(TRX_SYS_DOUBLEWRITE_BLOCK_SIZE, - trx_doublewrite->first_free) * UNIV_PAGE_SIZE; - - write_buf = trx_doublewrite->write_buf; - i = 0; - - fil_io(OS_FILE_WRITE, TRUE, TRX_SYS_SPACE, 0, - trx_doublewrite->block1, 0, len, - (void*) write_buf, NULL); - - for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; - len2 += UNIV_PAGE_SIZE, i++) { - const buf_block_t* block = (buf_block_t*) - trx_doublewrite->buf_block_arr[i]; - - if (UNIV_LIKELY(!block->page.zip.data) - && UNIV_LIKELY(buf_block_get_state(block) - == BUF_BLOCK_FILE_PAGE) - && UNIV_UNLIKELY - (memcmp(write_buf + len2 + (FIL_PAGE_LSN + 4), - write_buf + len2 - + (UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), 4))) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: The page to be written" - " seems corrupt!\n" - "InnoDB: The lsn fields do not match!" - " Noticed in the doublewrite block1.\n"); - } - } - - if (trx_doublewrite->first_free <= TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - goto flush; - } - - len = (trx_doublewrite->first_free - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) - * UNIV_PAGE_SIZE; - - write_buf = trx_doublewrite->write_buf - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE; - ut_ad(i == TRX_SYS_DOUBLEWRITE_BLOCK_SIZE); - - fil_io(OS_FILE_WRITE, TRUE, TRX_SYS_SPACE, 0, - trx_doublewrite->block2, 0, len, - (void*) write_buf, NULL); - - for (len2 = 0; len2 + UNIV_PAGE_SIZE <= len; - len2 += UNIV_PAGE_SIZE, i++) { - const buf_block_t* block = (buf_block_t*) - trx_doublewrite->buf_block_arr[i]; - - if (UNIV_LIKELY(!block->page.zip.data) - && UNIV_LIKELY(buf_block_get_state(block) - == BUF_BLOCK_FILE_PAGE) - && UNIV_UNLIKELY - (memcmp(write_buf + len2 + (FIL_PAGE_LSN + 4), - write_buf + len2 - + (UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), 4))) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: The page to be" - " written seems corrupt!\n" - "InnoDB: The lsn fields do not match!" - " Noticed in" - " the doublewrite block2.\n"); - } - } - -flush: - /* Now flush the doublewrite buffer data to disk */ - - fil_flush(TRX_SYS_SPACE); - - /* We know that the writes have been flushed to disk now - and in recovery we will find them in the doublewrite buffer - blocks. Next do the writes to the intended positions. */ - - for (i = 0; i < trx_doublewrite->first_free; i++) { - const buf_block_t* block = (buf_block_t*) - trx_doublewrite->buf_block_arr[i]; - - ut_a(buf_page_in_file(&block->page)); - if (UNIV_LIKELY_NULL(block->page.zip.data)) { - fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, - FALSE, buf_page_get_space(&block->page), - buf_page_get_zip_size(&block->page), - buf_page_get_page_no(&block->page), 0, - buf_page_get_zip_size(&block->page), - (void*)block->page.zip.data, - (void*)block); - - /* Increment the counter of I/O operations used - for selecting LRU policy. */ - buf_LRU_stat_inc_io(); - - continue; - } - - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - if (UNIV_UNLIKELY(memcmp(block->frame + (FIL_PAGE_LSN + 4), - block->frame - + (UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM + 4), - 4))) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: The page to be written" - " seems corrupt!\n" - "InnoDB: The lsn fields do not match!" - " Noticed in the buffer pool\n" - "InnoDB: after posting and flushing" - " the doublewrite buffer.\n" - "InnoDB: Page buf fix count %lu," - " io fix %lu, state %lu\n", - (ulong)block->page.buf_fix_count, - (ulong)buf_block_get_io_fix(block), - (ulong)buf_block_get_state(block)); - } - - fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, - FALSE, buf_block_get_space(block), 0, - buf_block_get_page_no(block), 0, UNIV_PAGE_SIZE, - (void*)block->frame, (void*)block); - - /* Increment the counter of I/O operations used - for selecting LRU policy. */ - buf_LRU_stat_inc_io(); - } - - /* Sync the writes to the disk. */ - buf_flush_sync_datafiles(); - - /* We can now reuse the doublewrite memory buffer: */ - trx_doublewrite->first_free = 0; - - mutex_exit(&(trx_doublewrite->mutex)); -} - -/********************************************************************//** -Posts a buffer page for writing. If the doublewrite memory buffer is -full, calls buf_flush_buffered_writes and waits for for free space to -appear. */ -static -void -buf_flush_post_to_doublewrite_buf( -/*==============================*/ - buf_page_t* bpage) /*!< in: buffer block to write */ -{ - ulint zip_size; -try_again: - mutex_enter(&(trx_doublewrite->mutex)); - - ut_a(buf_page_in_file(bpage)); - - if (trx_doublewrite->first_free - >= 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - mutex_exit(&(trx_doublewrite->mutex)); - - buf_flush_buffered_writes(); - - goto try_again; - } - - zip_size = buf_page_get_zip_size(bpage); - - if (UNIV_UNLIKELY(zip_size)) { - /* Copy the compressed page and clear the rest. */ - memcpy(trx_doublewrite->write_buf - + UNIV_PAGE_SIZE * trx_doublewrite->first_free, - bpage->zip.data, zip_size); - memset(trx_doublewrite->write_buf - + UNIV_PAGE_SIZE * trx_doublewrite->first_free - + zip_size, 0, UNIV_PAGE_SIZE - zip_size); - } else { - ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); - - memcpy(trx_doublewrite->write_buf - + UNIV_PAGE_SIZE * trx_doublewrite->first_free, - ((buf_block_t*) bpage)->frame, UNIV_PAGE_SIZE); - } - - trx_doublewrite->buf_block_arr[trx_doublewrite->first_free] = bpage; - - trx_doublewrite->first_free++; - - if (trx_doublewrite->first_free - >= 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - mutex_exit(&(trx_doublewrite->mutex)); - - buf_flush_buffered_writes(); - - return; - } - - mutex_exit(&(trx_doublewrite->mutex)); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Initializes a page for writing to the tablespace. */ -UNIV_INTERN -void -buf_flush_init_for_writing( -/*=======================*/ - byte* page, /*!< in/out: page */ - void* page_zip_, /*!< in/out: compressed page, or NULL */ - ib_uint64_t newest_lsn) /*!< in: newest modification lsn - to the page */ -{ - ut_ad(page); - - if (page_zip_) { - page_zip_des_t* page_zip = page_zip_; - ulint zip_size = page_zip_get_size(page_zip); - ut_ad(zip_size); - ut_ad(ut_is_2pow(zip_size)); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - - switch (UNIV_EXPECT(fil_page_get_type(page), FIL_PAGE_INDEX)) { - case FIL_PAGE_TYPE_ALLOCATED: - case FIL_PAGE_INODE: - case FIL_PAGE_IBUF_BITMAP: - case FIL_PAGE_TYPE_FSP_HDR: - case FIL_PAGE_TYPE_XDES: - /* These are essentially uncompressed pages. */ - memcpy(page_zip->data, page, zip_size); - /* fall through */ - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - case FIL_PAGE_INDEX: - mach_write_ull(page_zip->data - + FIL_PAGE_LSN, newest_lsn); - memset(page_zip->data + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); - mach_write_to_4(page_zip->data - + FIL_PAGE_SPACE_OR_CHKSUM, - srv_use_checksums - ? page_zip_calc_checksum( - page_zip->data, zip_size) - : BUF_NO_CHECKSUM_MAGIC); - return; - } - - ut_print_timestamp(stderr); - fputs(" InnoDB: ERROR: The compressed page to be written" - " seems corrupt:", stderr); - ut_print_buf(stderr, page, zip_size); - fputs("\nInnoDB: Possibly older version of the page:", stderr); - ut_print_buf(stderr, page_zip->data, zip_size); - putc('\n', stderr); - ut_error; - } - - /* Write the newest modification lsn to the page header and trailer */ - mach_write_ull(page + FIL_PAGE_LSN, newest_lsn); - - mach_write_ull(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, - newest_lsn); - - /* Store the new formula checksum */ - - mach_write_to_4(page + FIL_PAGE_SPACE_OR_CHKSUM, - srv_use_checksums - ? buf_calc_page_new_checksum(page) - : BUF_NO_CHECKSUM_MAGIC); - - /* We overwrite the first 4 bytes of the end lsn field to store - the old formula checksum. Since it depends also on the field - FIL_PAGE_SPACE_OR_CHKSUM, it has to be calculated after storing the - new formula checksum. */ - - mach_write_to_4(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, - srv_use_checksums - ? buf_calc_page_old_checksum(page) - : BUF_NO_CHECKSUM_MAGIC); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Does an asynchronous write of a buffer page. NOTE: in simulated aio and -also when the doublewrite buffer is used, we must call -buf_flush_buffered_writes after we have posted a batch of writes! */ -static -void -buf_flush_write_block_low( -/*======================*/ - buf_page_t* bpage) /*!< in: buffer block to write */ -{ - ulint zip_size = buf_page_get_zip_size(bpage); - page_t* frame = NULL; -#ifdef UNIV_LOG_DEBUG - static ibool univ_log_debug_warned; -#endif /* UNIV_LOG_DEBUG */ - - ut_ad(buf_page_in_file(bpage)); - - /* We are not holding buf_pool_mutex or block_mutex here. - Nevertheless, it is safe to access bpage, because it is - io_fixed and oldest_modification != 0. Thus, it cannot be - relocated in the buffer pool or removed from flush_list or - LRU_list. */ - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); - ut_ad(!mutex_own(buf_page_get_mutex(bpage))); - ut_ad(buf_page_get_io_fix(bpage) == BUF_IO_WRITE); - ut_ad(bpage->oldest_modification != 0); - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); -#endif - ut_ad(bpage->newest_modification != 0); - -#ifdef UNIV_LOG_DEBUG - if (!univ_log_debug_warned) { - univ_log_debug_warned = TRUE; - fputs("Warning: cannot force log to disk if" - " UNIV_LOG_DEBUG is defined!\n" - "Crash recovery will not work!\n", - stderr); - } -#else - /* Force the log to the disk before writing the modified block */ - log_write_up_to(bpage->newest_modification, LOG_WAIT_ALL_GROUPS, TRUE); -#endif - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: /* The page should be dirty. */ - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - case BUF_BLOCK_ZIP_DIRTY: - frame = bpage->zip.data; - if (UNIV_LIKELY(srv_use_checksums)) { - ut_a(mach_read_from_4(frame + FIL_PAGE_SPACE_OR_CHKSUM) - == page_zip_calc_checksum(frame, zip_size)); - } - mach_write_ull(frame + FIL_PAGE_LSN, - bpage->newest_modification); - memset(frame + FIL_PAGE_FILE_FLUSH_LSN, 0, 8); - break; - case BUF_BLOCK_FILE_PAGE: - frame = bpage->zip.data; - if (!frame) { - frame = ((buf_block_t*) bpage)->frame; - } - - buf_flush_init_for_writing(((buf_block_t*) bpage)->frame, - bpage->zip.data - ? &bpage->zip : NULL, - bpage->newest_modification); - break; - } - - if (!srv_use_doublewrite_buf || !trx_doublewrite) { - fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER, - FALSE, buf_page_get_space(bpage), zip_size, - buf_page_get_page_no(bpage), 0, - zip_size ? zip_size : UNIV_PAGE_SIZE, - frame, bpage); - } else { - buf_flush_post_to_doublewrite_buf(bpage); - } -} - -/********************************************************************//** -Writes a flushable page asynchronously from the buffer pool to a file. -NOTE: in simulated aio we must call -os_aio_simulated_wake_handler_threads after we have posted a batch of -writes! NOTE: buf_pool_mutex and buf_page_get_mutex(bpage) must be -held upon entering this function, and they will be released by this -function. */ -static -void -buf_flush_page( -/*===========*/ - buf_page_t* bpage, /*!< in: buffer control block */ - enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU - or BUF_FLUSH_LIST */ -{ - mutex_t* block_mutex; - ibool is_uncompressed; - - ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_page_in_file(bpage)); - - block_mutex = buf_page_get_mutex(bpage); - ut_ad(mutex_own(block_mutex)); - - ut_ad(buf_flush_ready_for_flush(bpage, flush_type)); - - buf_page_set_io_fix(bpage, BUF_IO_WRITE); - - buf_page_set_flush_type(bpage, flush_type); - - if (buf_pool->n_flush[flush_type] == 0) { - - os_event_reset(buf_pool->no_flush[flush_type]); - } - - buf_pool->n_flush[flush_type]++; - - is_uncompressed = (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); - ut_ad(is_uncompressed == (block_mutex != &buf_pool_zip_mutex)); - - switch (flush_type) { - ibool is_s_latched; - case BUF_FLUSH_LIST: - /* If the simulated aio thread is not running, we must - not wait for any latch, as we may end up in a deadlock: - if buf_fix_count == 0, then we know we need not wait */ - - is_s_latched = (bpage->buf_fix_count == 0); - if (is_s_latched && is_uncompressed) { - rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, - BUF_IO_WRITE); - } - - mutex_exit(block_mutex); - buf_pool_mutex_exit(); - - /* Even though bpage is not protected by any mutex at - this point, it is safe to access bpage, because it is - io_fixed and oldest_modification != 0. Thus, it - cannot be relocated in the buffer pool or removed from - flush_list or LRU_list. */ - - if (!is_s_latched) { - buf_flush_buffered_writes(); - - if (is_uncompressed) { - rw_lock_s_lock_gen(&((buf_block_t*) bpage) - ->lock, BUF_IO_WRITE); - } - } - - break; - - case BUF_FLUSH_LRU: - /* VERY IMPORTANT: - Because any thread may call the LRU flush, even when owning - locks on pages, to avoid deadlocks, we must make sure that the - s-lock is acquired on the page without waiting: this is - accomplished because buf_flush_ready_for_flush() must hold, - and that requires the page not to be bufferfixed. */ - - if (is_uncompressed) { - rw_lock_s_lock_gen(&((buf_block_t*) bpage)->lock, - BUF_IO_WRITE); - } - - /* Note that the s-latch is acquired before releasing the - buf_pool mutex: this ensures that the latch is acquired - immediately. */ - - mutex_exit(block_mutex); - buf_pool_mutex_exit(); - break; - - default: - ut_error; - } - - /* Even though bpage is not protected by any mutex at this - point, it is safe to access bpage, because it is io_fixed and - oldest_modification != 0. Thus, it cannot be relocated in the - buffer pool or removed from flush_list or LRU_list. */ - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, - "Flushing %u space %u page %u\n", - flush_type, bpage->space, bpage->offset); - } -#endif /* UNIV_DEBUG */ - buf_flush_write_block_low(bpage); -} - -/***********************************************************//** -Flushes to disk all flushable pages within the flush area. -@return number of pages flushed */ -static -ulint -buf_flush_try_neighbors( -/*====================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: page offset */ - enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or - BUF_FLUSH_LIST */ -{ - buf_page_t* bpage; - ulint low, high; - ulint count = 0; - ulint i; - - ut_ad(flush_type == BUF_FLUSH_LRU - || flush_type == BUF_FLUSH_LIST); - - if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { - /* If there is little space, it is better not to flush - any block except from the end of the LRU list */ - - low = offset; - high = offset + 1; - } else { - /* When flushed, dirty blocks are searched in - neighborhoods of this size, and flushed along with the - original page. */ - - ulint buf_flush_area = ut_min(BUF_READ_AHEAD_AREA, - buf_pool->curr_size / 16); - - low = (offset / buf_flush_area) * buf_flush_area; - high = (offset / buf_flush_area + 1) * buf_flush_area; - } - - /* fprintf(stderr, "Flush area: low %lu high %lu\n", low, high); */ - - if (high > fil_space_get_size(space)) { - high = fil_space_get_size(space); - } - - buf_pool_mutex_enter(); - - for (i = low; i < high; i++) { - - bpage = buf_page_hash_get(space, i); - - if (!bpage) { - - continue; - } - - ut_a(buf_page_in_file(bpage)); - - /* We avoid flushing 'non-old' blocks in an LRU flush, - because the flushed blocks are soon freed */ - - if (flush_type != BUF_FLUSH_LRU - || i == offset - || buf_page_is_old(bpage)) { - mutex_t* block_mutex = buf_page_get_mutex(bpage); - - mutex_enter(block_mutex); - - if (buf_flush_ready_for_flush(bpage, flush_type) - && (i == offset || !bpage->buf_fix_count)) { - /* We only try to flush those - neighbors != offset where the buf fix - count is zero, as we then know that we - probably can latch the page without a - semaphore wait. Semaphore waits are - expensive because we must flush the - doublewrite buffer before we start - waiting. */ - - buf_flush_page(bpage, flush_type); - ut_ad(!mutex_own(block_mutex)); - count++; - - buf_pool_mutex_enter(); - } else { - mutex_exit(block_mutex); - } - } - } - - buf_pool_mutex_exit(); - - return(count); -} - -/********************************************************************//** -Check if the block is modified and ready for flushing. If the the block -is ready to flush then flush the page and try o flush its neighbors. - -@return TRUE if buf_pool mutex was not released during this function. -This does not guarantee that some pages were written as well. -Number of pages written are incremented to the count. */ -static -ibool -buf_flush_page_and_try_neighbors( -/*=============================*/ - buf_page_t* bpage, /*!< in: buffer control block, - must be - buf_page_in_file(bpage) */ - enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU - or BUF_FLUSH_LIST */ - ulint* count) /*!< in/out: number of pages - flushed */ -{ - ibool flushed = FALSE; - mutex_t* block_mutex; - - ut_ad(buf_pool_mutex_own()); - - block_mutex = buf_page_get_mutex(bpage); - mutex_enter(block_mutex); - - ut_a(buf_page_in_file(bpage)); - - if (buf_flush_ready_for_flush(bpage, flush_type)) { - ulint space; - ulint offset; - - buf_pool_mutex_exit(); - - /* These fields are protected by both the - buffer pool mutex and block mutex. */ - space = buf_page_get_space(bpage); - offset = buf_page_get_page_no(bpage); - - mutex_exit(block_mutex); - - /* Try to flush also all the neighbors */ - *count += buf_flush_try_neighbors(space, offset, - flush_type); - - buf_pool_mutex_enter(); - flushed = TRUE; - } else { - mutex_exit(block_mutex); - } - - ut_ad(buf_pool_mutex_own()); - - return(flushed); -} - -/*******************************************************************//** -This utility flushes dirty blocks from the end of the LRU list. -In the case of an LRU flush the calling thread may own latches to -pages: to avoid deadlocks, this function must be written so that it -cannot end up waiting for these latches! -@return number of blocks for which the write request was queued. */ -static -ulint -buf_flush_LRU_list_batch( -/*=====================*/ - ulint max) /*!< in: max of blocks to flush */ -{ - buf_page_t* bpage; - ulint count = 0; - - ut_ad(buf_pool_mutex_own()); - - do { - /* Start from the end of the list looking for a - suitable block to be flushed. */ - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - - /* Iterate backwards over the flush list till we find - a page that isn't ready for flushing. */ - while (bpage != NULL - && !buf_flush_page_and_try_neighbors( - bpage, BUF_FLUSH_LRU, &count)) { - - bpage = UT_LIST_GET_PREV(LRU, bpage); - } - } while (bpage != NULL && count < max); - - /* We keep track of all flushes happening as part of LRU - flush. When estimating the desired rate at which flush_list - should be flushed, we factor in this value. */ - buf_lru_flush_page_count += count; - - ut_ad(buf_pool_mutex_own()); - - return(count); -} - -/*******************************************************************//** -This utility flushes dirty blocks from the end of the flush_list. -the calling thread is not allowed to own any latches on pages! -@return number of blocks for which the write request was queued; -ULINT_UNDEFINED if there was a flush of the same type already -running */ -static -ulint -buf_flush_flush_list_batch( -/*=======================*/ - ulint min_n, /*!< in: wished minimum mumber - of blocks flushed (it is not - guaranteed that the actual - number is that big, though) */ - ib_uint64_t lsn_limit) /*!< all blocks whose - oldest_modification is smaller - than this should be flushed (if - their number does not exceed - min_n) */ -{ - ulint len; - buf_page_t* bpage; - ulint count = 0; - - ut_ad(buf_pool_mutex_own()); - - /* If we have flushed enough, leave the loop */ - do { - /* Start from the end of the list looking for a suitable - block to be flushed. */ - - buf_flush_list_mutex_enter(); - - /* We use len here because theoratically insertions can - happen in the flush_list below while we are traversing - it for a suitable candidate for flushing. We'd like to - set a limit on how farther we are willing to traverse - the list. */ - len = UT_LIST_GET_LEN(buf_pool->flush_list); - bpage = UT_LIST_GET_LAST(buf_pool->flush_list); - - if (bpage) { - ut_a(bpage->oldest_modification > 0); - } - - - if (!bpage || bpage->oldest_modification >= lsn_limit) { - - /* We have flushed enough */ - buf_flush_list_mutex_exit(); - break; - } - - ut_a(bpage->oldest_modification > 0); - - ut_ad(bpage->in_flush_list); - - buf_flush_list_mutex_exit(); - - /* The list may change during the flushing and we cannot - safely preserve within this function a pointer to a - block in the list! */ - while (bpage != NULL - && len > 0 - && !buf_flush_page_and_try_neighbors( - bpage, BUF_FLUSH_LIST, &count)) { - - buf_flush_list_mutex_enter(); - - /* If we are here that means that buf_pool - mutex was not released in - buf_flush_page_and_try_neighbors() above and - this guarantees that bpage didn't get - relocated since we released the flush_list - mutex above. There is a chance, however, that - the bpage got removed from flush_list (not - currently possible because flush_list_remove() - also obtains buf_pool mutex but that may change - in future). To avoid this scenario we check - the oldest_modification and if it is zero - we start all over again. */ - if (bpage->oldest_modification == 0) { - buf_flush_list_mutex_exit(); - break; - } - bpage = UT_LIST_GET_PREV(list, bpage); - - ut_ad(!bpage || bpage->in_flush_list); - - buf_flush_list_mutex_exit(); - - --len; - } - - } while (count < min_n && bpage != NULL && len > 0); - - ut_ad(buf_pool_mutex_own()); - - return(count); -} - -/*******************************************************************//** -This utility flushes dirty blocks from the end of the LRU list or flush_list. -NOTE 1: in the case of an LRU flush the calling thread may own latches to -pages: to avoid deadlocks, this function must be written so that it cannot -end up waiting for these latches! NOTE 2: in the case of a flush list flush, -the calling thread is not allowed to own any latches on pages! -@return number of blocks for which the write request was queued; -ULINT_UNDEFINED if there was a flush of the same type already running */ -UNIV_INTERN -ulint -buf_flush_batch( -/*============*/ - enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or - BUF_FLUSH_LIST; if BUF_FLUSH_LIST, - then the caller must not own any - latches on pages */ - ulint min_n, /*!< in: wished minimum mumber of blocks - flushed (it is not guaranteed that the - actual number is that big, though) */ - ib_uint64_t lsn_limit) /*!< in the case BUF_FLUSH_LIST all - blocks whose oldest_modification is - smaller than this should be flushed - (if their number does not exceed - min_n), otherwise ignored */ -{ - ulint count = 0; - - ut_ad(flush_type == BUF_FLUSH_LRU - || flush_type == BUF_FLUSH_LIST); -#ifdef UNIV_SYNC_DEBUG - ut_ad((flush_type != BUF_FLUSH_LIST) - || sync_thread_levels_empty_gen(TRUE)); -#endif /* UNIV_SYNC_DEBUG */ - buf_pool_mutex_enter(); - - if (buf_pool->n_flush[flush_type] > 0 - || buf_pool->init_flush[flush_type] == TRUE) { - - /* There is already a flush batch of the same type running */ - - buf_pool_mutex_exit(); - - return(ULINT_UNDEFINED); - } - - buf_pool->init_flush[flush_type] = TRUE; - - /* Note: The buffer pool mutex is released and reacquired within - the flush functions. */ - switch(flush_type) { - case BUF_FLUSH_LRU: - count = buf_flush_LRU_list_batch(min_n); - break; - case BUF_FLUSH_LIST: - count = buf_flush_flush_list_batch(min_n, lsn_limit); - break; - default: - ut_error; - } - - ut_ad(buf_pool_mutex_own()); - - buf_pool->init_flush[flush_type] = FALSE; - - if (buf_pool->n_flush[flush_type] == 0) { - - /* The running flush batch has ended */ - - os_event_set(buf_pool->no_flush[flush_type]); - } - - buf_pool_mutex_exit(); - - buf_flush_buffered_writes(); - -#ifdef UNIV_DEBUG - if (buf_debug_prints && count > 0) { - fprintf(stderr, flush_type == BUF_FLUSH_LRU - ? "Flushed %lu pages in LRU flush\n" - : "Flushed %lu pages in flush list flush\n", - (ulong) count); - } -#endif /* UNIV_DEBUG */ - - srv_buf_pool_flushed += count; - - return(count); -} - -/******************************************************************//** -Waits until a flush batch of the given type ends */ -UNIV_INTERN -void -buf_flush_wait_batch_end( -/*=====================*/ - enum buf_flush type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ -{ - ut_ad((type == BUF_FLUSH_LRU) || (type == BUF_FLUSH_LIST)); - - os_event_wait(buf_pool->no_flush[type]); -} - -/******************************************************************//** -Gives a recommendation of how many blocks should be flushed to establish -a big enough margin of replaceable blocks near the end of the LRU list -and in the free list. -@return number of blocks which should be flushed from the end of the -LRU list */ -static -ulint -buf_flush_LRU_recommendation(void) -/*==============================*/ -{ - buf_page_t* bpage; - ulint n_replaceable; - ulint distance = 0; - - buf_pool_mutex_enter(); - - n_replaceable = UT_LIST_GET_LEN(buf_pool->free); - - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - - while ((bpage != NULL) - && (n_replaceable < BUF_FLUSH_FREE_BLOCK_MARGIN - + BUF_FLUSH_EXTRA_MARGIN) - && (distance < BUF_LRU_FREE_SEARCH_LEN)) { - - mutex_t* block_mutex = buf_page_get_mutex(bpage); - - mutex_enter(block_mutex); - - if (buf_flush_ready_for_replace(bpage)) { - n_replaceable++; - } - - mutex_exit(block_mutex); - - distance++; - - bpage = UT_LIST_GET_PREV(LRU, bpage); - } - - buf_pool_mutex_exit(); - - if (n_replaceable >= BUF_FLUSH_FREE_BLOCK_MARGIN) { - - return(0); - } - - return(BUF_FLUSH_FREE_BLOCK_MARGIN + BUF_FLUSH_EXTRA_MARGIN - - n_replaceable); -} - -/*********************************************************************//** -Flushes pages from the end of the LRU list if there is too small a margin -of replaceable pages there or in the free list. VERY IMPORTANT: this function -is called also by threads which have locks on pages. To avoid deadlocks, we -flush only pages such that the s-lock required for flushing can be acquired -immediately, without waiting. */ -UNIV_INTERN -void -buf_flush_free_margin(void) -/*=======================*/ -{ - ulint n_to_flush; - ulint n_flushed; - - n_to_flush = buf_flush_LRU_recommendation(); - - if (n_to_flush > 0) { - n_flushed = buf_flush_batch(BUF_FLUSH_LRU, n_to_flush, 0); - if (n_flushed == ULINT_UNDEFINED) { - /* There was an LRU type flush batch already running; - let us wait for it to end */ - - buf_flush_wait_batch_end(BUF_FLUSH_LRU); - } - } -} - -/********************************************************************* -Update the historical stats that we are collecting for flush rate -heuristics at the end of each interval. -Flush rate heuristic depends on (a) rate of redo log generation and -(b) the rate at which LRU flush is happening. */ -UNIV_INTERN -void -buf_flush_stat_update(void) -/*=======================*/ -{ - buf_flush_stat_t* item; - ib_uint64_t lsn_diff; - ib_uint64_t lsn; - ulint n_flushed; - - lsn = log_get_lsn(); - if (buf_flush_stat_cur.redo == 0) { - /* First time around. Just update the current LSN - and return. */ - buf_flush_stat_cur.redo = lsn; - return; - } - - item = &buf_flush_stat_arr[buf_flush_stat_arr_ind]; - - /* values for this interval */ - lsn_diff = lsn - buf_flush_stat_cur.redo; - n_flushed = buf_lru_flush_page_count - - buf_flush_stat_cur.n_flushed; - - /* add the current value and subtract the obsolete entry. */ - buf_flush_stat_sum.redo += lsn_diff - item->redo; - buf_flush_stat_sum.n_flushed += n_flushed - item->n_flushed; - - /* put current entry in the array. */ - item->redo = lsn_diff; - item->n_flushed = n_flushed; - - /* update the index */ - buf_flush_stat_arr_ind++; - buf_flush_stat_arr_ind %= BUF_FLUSH_STAT_N_INTERVAL; - - /* reset the current entry. */ - buf_flush_stat_cur.redo = lsn; - buf_flush_stat_cur.n_flushed = buf_lru_flush_page_count; -} - -/********************************************************************* -Determines the fraction of dirty pages that need to be flushed based -on the speed at which we generate redo log. Note that if redo log -is generated at a significant rate without corresponding increase -in the number of dirty pages (for example, an in-memory workload) -it can cause IO bursts of flushing. This function implements heuristics -to avoid this burstiness. -@return number of dirty pages to be flushed / second */ -UNIV_INTERN -ulint -buf_flush_get_desired_flush_rate(void) -/*==================================*/ -{ - ulint redo_avg; - ulint lru_flush_avg; - ulint n_dirty; - ulint n_flush_req; - lint rate; - ib_uint64_t lsn = log_get_lsn(); - ulint log_capacity = log_get_capacity(); - - /* log_capacity should never be zero after the initialization - of log subsystem. */ - ut_ad(log_capacity != 0); - - /* Get total number of dirty pages. It is OK to access - flush_list without holding any mtex as we are using this - only for heuristics. */ - n_dirty = UT_LIST_GET_LEN(buf_pool->flush_list); - - /* An overflow can happen if we generate more than 2^32 bytes - of redo in this interval i.e.: 4G of redo in 1 second. We can - safely consider this as infinity because if we ever come close - to 4G we'll start a synchronous flush of dirty pages. */ - /* redo_avg below is average at which redo is generated in - past BUF_FLUSH_STAT_N_INTERVAL + redo generated in the current - interval. */ - redo_avg = (ulint) (buf_flush_stat_sum.redo - / BUF_FLUSH_STAT_N_INTERVAL - + (lsn - buf_flush_stat_cur.redo)); - - /* An overflow can happen possibly if we flush more than 2^32 - pages in BUF_FLUSH_STAT_N_INTERVAL. This is a very very - unlikely scenario. Even when this happens it means that our - flush rate will be off the mark. It won't affect correctness - of any subsystem. */ - /* lru_flush_avg below is rate at which pages are flushed as - part of LRU flush in past BUF_FLUSH_STAT_N_INTERVAL + the - number of pages flushed in the current interval. */ - lru_flush_avg = buf_flush_stat_sum.n_flushed - / BUF_FLUSH_STAT_N_INTERVAL - + (buf_lru_flush_page_count - - buf_flush_stat_cur.n_flushed); - - n_flush_req = (n_dirty * redo_avg) / log_capacity; - - /* The number of pages that we want to flush from the flush - list is the difference between the required rate and the - number of pages that we are historically flushing from the - LRU list */ - rate = n_flush_req - lru_flush_avg; - return(rate > 0 ? (ulint) rate : 0); -} - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/******************************************************************//** -Validates the flush list. -@return TRUE if ok */ -static -ibool -buf_flush_validate_low(void) -/*========================*/ -{ - buf_page_t* bpage; - const ib_rbt_node_t* rnode = NULL; - - ut_ad(buf_flush_list_mutex_own()); - - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, - ut_ad(ut_list_node_313->in_flush_list)); - - bpage = UT_LIST_GET_FIRST(buf_pool->flush_list); - - /* If we are in recovery mode i.e.: flush_rbt != NULL - then each block in the flush_list must also be present - in the flush_rbt. */ - if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - rnode = rbt_first(buf_pool->flush_rbt); - } - - while (bpage != NULL) { - const ib_uint64_t om = bpage->oldest_modification; - ut_ad(bpage->in_flush_list); - - /* A page in flush_list can be in BUF_BLOCK_REMOVE_HASH - state. This happens when a page is in the middle of - being relocated. In that case the original descriptor - can have this state and still be in the flush list - waiting to acquire the flush_list_mutex to complete - the relocation. */ - ut_a(buf_page_in_file(bpage) - || buf_page_get_state(bpage) - == BUF_BLOCK_REMOVE_HASH); - ut_a(om > 0); - - if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - ut_a(rnode); - buf_page_t* rpage = *rbt_value(buf_page_t*, - rnode); - ut_a(rpage); - ut_a(rpage == bpage); - rnode = rbt_next(buf_pool->flush_rbt, rnode); - } - - bpage = UT_LIST_GET_NEXT(list, bpage); - - ut_a(!bpage || om >= bpage->oldest_modification); - } - - /* By this time we must have exhausted the traversal of - flush_rbt (if active) as well. */ - ut_a(rnode == NULL); - - return(TRUE); -} - -/******************************************************************//** -Validates the flush list. -@return TRUE if ok */ -UNIV_INTERN -ibool -buf_flush_validate(void) -/*====================*/ -{ - ibool ret; - - buf_flush_list_mutex_enter(); - - ret = buf_flush_validate_low(); - - buf_flush_list_mutex_exit(); - - return(ret); -} -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/buf/buf0lru.c b/perfschema/buf/buf0lru.c deleted file mode 100644 index c7feb3ae79b..00000000000 --- a/perfschema/buf/buf0lru.c +++ /dev/null @@ -1,2135 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file buf/buf0lru.c -The database buffer replacement algorithm - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#include "buf0lru.h" - -#ifdef UNIV_NONINL -#include "buf0lru.ic" -#endif - -#include "ut0byte.h" -#include "ut0lst.h" -#include "ut0rnd.h" -#include "sync0sync.h" -#include "sync0rw.h" -#include "hash0hash.h" -#include "os0sync.h" -#include "fil0fil.h" -#include "btr0btr.h" -#include "buf0buddy.h" -#include "buf0buf.h" -#include "buf0flu.h" -#include "buf0rea.h" -#include "btr0sea.h" -#include "ibuf0ibuf.h" -#include "os0file.h" -#include "page0zip.h" -#include "log0recv.h" -#include "srv0srv.h" - -/** The number of blocks from the LRU_old pointer onward, including -the block pointed to, must be buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV -of the whole LRU list length, except that the tolerance defined below -is allowed. Note that the tolerance must be small enough such that for -even the BUF_LRU_OLD_MIN_LEN long LRU list, the LRU_old pointer is not -allowed to point to either end of the LRU list. */ - -#define BUF_LRU_OLD_TOLERANCE 20 - -/** The minimum amount of non-old blocks when the LRU_old list exists -(that is, when there are more than BUF_LRU_OLD_MIN_LEN blocks). -@see buf_LRU_old_adjust_len */ -#define BUF_LRU_NON_OLD_MIN_LEN 5 -#if BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN -# error "BUF_LRU_NON_OLD_MIN_LEN >= BUF_LRU_OLD_MIN_LEN" -#endif - -/** When dropping the search hash index entries before deleting an ibd -file, we build a local array of pages belonging to that tablespace -in the buffer pool. Following is the size of that array. */ -#define BUF_LRU_DROP_SEARCH_HASH_SIZE 1024 - -/** If we switch on the InnoDB monitor because there are too few available -frames in the buffer pool, we set this to TRUE */ -static ibool buf_lru_switched_on_innodb_mon = FALSE; - -/******************************************************************//** -These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O -and page_zip_decompress() operations. Based on the statistics, -buf_LRU_evict_from_unzip_LRU() decides if we want to evict from -unzip_LRU or the regular LRU. From unzip_LRU, we will only evict the -uncompressed frame (meaning we can evict dirty blocks as well). From -the regular LRU, we will evict the entire block (i.e.: both the -uncompressed and compressed data), which must be clean. */ - -/* @{ */ - -/** Number of intervals for which we keep the history of these stats. -Each interval is 1 second, defined by the rate at which -srv_error_monitor_thread() calls buf_LRU_stat_update(). */ -#define BUF_LRU_STAT_N_INTERVAL 50 - -/** Co-efficient with which we multiply I/O operations to equate them -with page_zip_decompress() operations. */ -#define BUF_LRU_IO_TO_UNZIP_FACTOR 50 - -/** Sampled values buf_LRU_stat_cur. -Protected by buf_pool_mutex. Updated by buf_LRU_stat_update(). */ -static buf_LRU_stat_t buf_LRU_stat_arr[BUF_LRU_STAT_N_INTERVAL]; -/** Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ -static ulint buf_LRU_stat_arr_ind; - -/** Current operation counters. Not protected by any mutex. Cleared -by buf_LRU_stat_update(). */ -UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_cur; - -/** Running sum of past values of buf_LRU_stat_cur. -Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ -UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; - -/* @} */ - -/** @name Heuristics for detecting index scan @{ */ -/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for -"old" blocks. Protected by buf_pool_mutex. */ -UNIV_INTERN uint buf_LRU_old_ratio; -/** Move blocks to "new" LRU list only if the first access was at -least this many milliseconds ago. Not protected by any mutex or latch. */ -UNIV_INTERN uint buf_LRU_old_threshold_ms; -/* @} */ - -/******************************************************************//** -Takes a block out of the LRU list and page hash table. -If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), -the object will be freed and buf_pool_zip_mutex will be released. - -If a compressed page or a compressed-only block descriptor is freed, -other compressed pages or compressed-only block descriptors may be -relocated. -@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state -was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ -static -enum buf_page_state -buf_LRU_block_remove_hashed_page( -/*=============================*/ - buf_page_t* bpage, /*!< in: block, must contain a file page and - be in a state where it can be freed; there - may or may not be a hash index to the page */ - ibool zip); /*!< in: TRUE if should remove also the - compressed page of an uncompressed page */ -/******************************************************************//** -Puts a file page whose has no hash index to the free list. */ -static -void -buf_LRU_block_free_hashed_page( -/*===========================*/ - buf_block_t* block); /*!< in: block, must contain a file page and - be in a state where it can be freed */ - -/******************************************************************//** -Determines if the unzip_LRU list should be used for evicting a victim -instead of the general LRU list. -@return TRUE if should use unzip_LRU */ -UNIV_INLINE -ibool -buf_LRU_evict_from_unzip_LRU(void) -/*==============================*/ -{ - ulint io_avg; - ulint unzip_avg; - - ut_ad(buf_pool_mutex_own()); - - /* If the unzip_LRU list is empty, we can only use the LRU. */ - if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0) { - return(FALSE); - } - - /* If unzip_LRU is at most 10% of the size of the LRU list, - then use the LRU. This slack allows us to keep hot - decompressed pages in the buffer pool. */ - if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) - <= UT_LIST_GET_LEN(buf_pool->LRU) / 10) { - return(FALSE); - } - - /* If eviction hasn't started yet, we assume by default - that a workload is disk bound. */ - if (buf_pool->freed_page_clock == 0) { - return(TRUE); - } - - /* Calculate the average over past intervals, and add the values - of the current interval. */ - io_avg = buf_LRU_stat_sum.io / BUF_LRU_STAT_N_INTERVAL - + buf_LRU_stat_cur.io; - unzip_avg = buf_LRU_stat_sum.unzip / BUF_LRU_STAT_N_INTERVAL - + buf_LRU_stat_cur.unzip; - - /* Decide based on our formula. If the load is I/O bound - (unzip_avg is smaller than the weighted io_avg), evict an - uncompressed frame from unzip_LRU. Otherwise we assume that - the load is CPU bound and evict from the regular LRU. */ - return(unzip_avg <= io_avg * BUF_LRU_IO_TO_UNZIP_FACTOR); -} - -/******************************************************************//** -Attempts to drop page hash index on a batch of pages belonging to a -particular space id. */ -static -void -buf_LRU_drop_page_hash_batch( -/*=========================*/ - ulint space_id, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - const ulint* arr, /*!< in: array of page_no */ - ulint count) /*!< in: number of entries in array */ -{ - ulint i; - - ut_ad(arr != NULL); - ut_ad(count <= BUF_LRU_DROP_SEARCH_HASH_SIZE); - - for (i = 0; i < count; ++i) { - btr_search_drop_page_hash_when_freed(space_id, zip_size, - arr[i]); - } -} - -/******************************************************************//** -When doing a DROP TABLE/DISCARD TABLESPACE we have to drop all page -hash index entries belonging to that table. This function tries to -do that in batch. Note that this is a 'best effort' attempt and does -not guarantee that ALL hash entries will be removed. */ -static -void -buf_LRU_drop_page_hash_for_tablespace( -/*==================================*/ - ulint id) /*!< in: space id */ -{ - buf_page_t* bpage; - ulint* page_arr; - ulint num_entries; - ulint zip_size; - - zip_size = fil_space_get_zip_size(id); - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - /* Somehow, the tablespace does not exist. Nothing to drop. */ - ut_ad(0); - return; - } - - page_arr = ut_malloc(sizeof(ulint) - * BUF_LRU_DROP_SEARCH_HASH_SIZE); - buf_pool_mutex_enter(); - -scan_again: - num_entries = 0; - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - - while (bpage != NULL) { - mutex_t* block_mutex = buf_page_get_mutex(bpage); - buf_page_t* prev_bpage; - - mutex_enter(block_mutex); - prev_bpage = UT_LIST_GET_PREV(LRU, bpage); - - ut_a(buf_page_in_file(bpage)); - - if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE - || bpage->space != id - || bpage->buf_fix_count > 0 - || bpage->io_fix != BUF_IO_NONE) { - /* We leave the fixed pages as is in this scan. - To be dealt with later in the final scan. */ - mutex_exit(block_mutex); - goto next_page; - } - - if (((buf_block_t*) bpage)->is_hashed) { - - /* Store the offset(i.e.: page_no) in the array - so that we can drop hash index in a batch - later. */ - page_arr[num_entries] = bpage->offset; - mutex_exit(block_mutex); - ut_a(num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE); - ++num_entries; - - if (num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE) { - goto next_page; - } - /* Array full. We release the buf_pool_mutex to - obey the latching order. */ - buf_pool_mutex_exit(); - - buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, - num_entries); - num_entries = 0; - buf_pool_mutex_enter(); - } else { - mutex_exit(block_mutex); - } - -next_page: - /* Note that we may have released the buf_pool mutex - above after reading the prev_bpage during processing - of a page_hash_batch (i.e.: when the array was full). - This means that prev_bpage can change in LRU list. - This is OK because this function is a 'best effort' - to drop as many search hash entries as possible and - it does not guarantee that ALL such entries will be - dropped. */ - bpage = prev_bpage; - - /* If, however, bpage has been removed from LRU list - to the free list then we should restart the scan. - bpage->state is protected by buf_pool mutex. */ - if (bpage && !buf_page_in_file(bpage)) { - ut_a(num_entries == 0); - goto scan_again; - } - } - - buf_pool_mutex_exit(); - - /* Drop any remaining batch of search hashed pages. */ - buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, num_entries); - ut_free(page_arr); -} - -/******************************************************************//** -Invalidates all pages belonging to a given tablespace when we are deleting -the data file(s) of that tablespace. */ -UNIV_INTERN -void -buf_LRU_invalidate_tablespace( -/*==========================*/ - ulint id) /*!< in: space id */ -{ - buf_page_t* bpage; - ibool all_freed; - - /* Before we attempt to drop pages one by one we first - attempt to drop page hash index entries in batches to make - it more efficient. The batching attempt is a best effort - attempt and does not guarantee that all pages hash entries - will be dropped. We get rid of remaining page hash entries - one by one below. */ - buf_LRU_drop_page_hash_for_tablespace(id); - -scan_again: - buf_pool_mutex_enter(); - - all_freed = TRUE; - - bpage = UT_LIST_GET_LAST(buf_pool->LRU); - - while (bpage != NULL) { - buf_page_t* prev_bpage; - ibool prev_bpage_buf_fix = FALSE; - - ut_a(buf_page_in_file(bpage)); - - prev_bpage = UT_LIST_GET_PREV(LRU, bpage); - - /* bpage->space and bpage->io_fix are protected by - buf_pool_mutex and block_mutex. It is safe to check - them while holding buf_pool_mutex only. */ - - if (buf_page_get_space(bpage) != id) { - /* Skip this block, as it does not belong to - the space that is being invalidated. */ - } else if (buf_page_get_io_fix(bpage) != BUF_IO_NONE) { - /* We cannot remove this page during this scan - yet; maybe the system is currently reading it - in, or flushing the modifications to the file */ - - all_freed = FALSE; - } else { - mutex_t* block_mutex = buf_page_get_mutex(bpage); - mutex_enter(block_mutex); - - if (bpage->buf_fix_count > 0) { - - /* We cannot remove this page during - this scan yet; maybe the system is - currently reading it in, or flushing - the modifications to the file */ - - all_freed = FALSE; - - goto next_page; - } - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, - "Dropping space %lu page %lu\n", - (ulong) buf_page_get_space(bpage), - (ulong) buf_page_get_page_no(bpage)); - } -#endif - if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { - /* This is a compressed-only block - descriptor. Ensure that prev_bpage - cannot be relocated when bpage is freed. */ - if (UNIV_LIKELY(prev_bpage != NULL)) { - switch (buf_page_get_state( - prev_bpage)) { - case BUF_BLOCK_FILE_PAGE: - /* Descriptors of uncompressed - blocks will not be relocated, - because we are holding the - buf_pool_mutex. */ - break; - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - /* Descriptors of compressed- - only blocks can be relocated, - unless they are buffer-fixed. - Because both bpage and - prev_bpage are protected by - buf_pool_zip_mutex, it is - not necessary to acquire - further mutexes. */ - ut_ad(&buf_pool_zip_mutex - == block_mutex); - ut_ad(mutex_own(block_mutex)); - prev_bpage_buf_fix = TRUE; - prev_bpage->buf_fix_count++; - break; - default: - ut_error; - } - } - } else if (((buf_block_t*) bpage)->is_hashed) { - ulint page_no; - ulint zip_size; - - buf_pool_mutex_exit(); - - zip_size = buf_page_get_zip_size(bpage); - page_no = buf_page_get_page_no(bpage); - - mutex_exit(block_mutex); - - /* Note that the following call will acquire - an S-latch on the page */ - - btr_search_drop_page_hash_when_freed( - id, zip_size, page_no); - goto scan_again; - } - - if (bpage->oldest_modification != 0) { - - buf_flush_remove(bpage); - } - - /* Remove from the LRU list. */ - - if (buf_LRU_block_remove_hashed_page(bpage, TRUE) - != BUF_BLOCK_ZIP_FREE) { - buf_LRU_block_free_hashed_page((buf_block_t*) - bpage); - } else { - /* The block_mutex should have been - released by buf_LRU_block_remove_hashed_page() - when it returns BUF_BLOCK_ZIP_FREE. */ - ut_ad(block_mutex == &buf_pool_zip_mutex); - ut_ad(!mutex_own(block_mutex)); - - if (prev_bpage_buf_fix) { - /* We temporarily buffer-fixed - prev_bpage, so that - buf_buddy_free() could not - relocate it, in case it was a - compressed-only block - descriptor. */ - - mutex_enter(block_mutex); - ut_ad(prev_bpage->buf_fix_count > 0); - prev_bpage->buf_fix_count--; - mutex_exit(block_mutex); - } - - goto next_page_no_mutex; - } -next_page: - mutex_exit(block_mutex); - } - -next_page_no_mutex: - bpage = prev_bpage; - } - - buf_pool_mutex_exit(); - - if (!all_freed) { - os_thread_sleep(20000); - - goto scan_again; - } -} - -/********************************************************************//** -Insert a compressed block into buf_pool->zip_clean in the LRU order. */ -UNIV_INTERN -void -buf_LRU_insert_zip_clean( -/*=====================*/ - buf_page_t* bpage) /*!< in: pointer to the block in question */ -{ - buf_page_t* b; - - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); - - /* Find the first successor of bpage in the LRU list - that is in the zip_clean list. */ - b = bpage; - do { - b = UT_LIST_GET_NEXT(LRU, b); - } while (b && buf_page_get_state(b) != BUF_BLOCK_ZIP_PAGE); - - /* Insert bpage before b, i.e., after the predecessor of b. */ - if (b) { - b = UT_LIST_GET_PREV(list, b); - } - - if (b) { - UT_LIST_INSERT_AFTER(list, buf_pool->zip_clean, b, bpage); - } else { - UT_LIST_ADD_FIRST(list, buf_pool->zip_clean, bpage); - } -} - -/******************************************************************//** -Try to free an uncompressed page of a compressed block from the unzip -LRU list. The compressed page is preserved, and it need not be clean. -@return TRUE if freed */ -UNIV_INLINE -ibool -buf_LRU_free_from_unzip_LRU_list( -/*=============================*/ - ulint n_iterations) /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; we will search - n_iterations / 5 of the unzip_LRU list, - or nothing if n_iterations >= 5 */ -{ - buf_block_t* block; - ulint distance; - - ut_ad(buf_pool_mutex_own()); - - /* Theoratically it should be much easier to find a victim - from unzip_LRU as we can choose even a dirty block (as we'll - be evicting only the uncompressed frame). In a very unlikely - eventuality that we are unable to find a victim from - unzip_LRU, we fall back to the regular LRU list. We do this - if we have done five iterations so far. */ - - if (UNIV_UNLIKELY(n_iterations >= 5) - || !buf_LRU_evict_from_unzip_LRU()) { - - return(FALSE); - } - - distance = 100 + (n_iterations - * UT_LIST_GET_LEN(buf_pool->unzip_LRU)) / 5; - - for (block = UT_LIST_GET_LAST(buf_pool->unzip_LRU); - UNIV_LIKELY(block != NULL) && UNIV_LIKELY(distance > 0); - block = UT_LIST_GET_PREV(unzip_LRU, block), distance--) { - - enum buf_lru_free_block_status freed; - - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->in_unzip_LRU_list); - ut_ad(block->page.in_LRU_list); - - mutex_enter(&block->mutex); - freed = buf_LRU_free_block(&block->page, FALSE, NULL); - mutex_exit(&block->mutex); - - switch (freed) { - case BUF_LRU_FREED: - return(TRUE); - - case BUF_LRU_CANNOT_RELOCATE: - /* If we failed to relocate, try - regular LRU eviction. */ - return(FALSE); - - case BUF_LRU_NOT_FREED: - /* The block was buffer-fixed or I/O-fixed. - Keep looking. */ - continue; - } - - /* inappropriate return value from - buf_LRU_free_block() */ - ut_error; - } - - return(FALSE); -} - -/******************************************************************//** -Try to free a clean page from the common LRU list. -@return TRUE if freed */ -UNIV_INLINE -ibool -buf_LRU_free_from_common_LRU_list( -/*==============================*/ - ulint n_iterations) /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; if - n_iterations < 10, then we search - n_iterations / 10 * buf_pool->curr_size - pages from the end of the LRU list */ -{ - buf_page_t* bpage; - ulint distance; - - ut_ad(buf_pool_mutex_own()); - - distance = 100 + (n_iterations * buf_pool->curr_size) / 10; - - for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); - UNIV_LIKELY(bpage != NULL) && UNIV_LIKELY(distance > 0); - bpage = UT_LIST_GET_PREV(LRU, bpage), distance--) { - - enum buf_lru_free_block_status freed; - unsigned accessed; - mutex_t* block_mutex - = buf_page_get_mutex(bpage); - - ut_ad(buf_page_in_file(bpage)); - ut_ad(bpage->in_LRU_list); - - mutex_enter(block_mutex); - accessed = buf_page_is_accessed(bpage); - freed = buf_LRU_free_block(bpage, TRUE, NULL); - mutex_exit(block_mutex); - - switch (freed) { - case BUF_LRU_FREED: - /* Keep track of pages that are evicted without - ever being accessed. This gives us a measure of - the effectiveness of readahead */ - if (!accessed) { - ++buf_pool->stat.n_ra_pages_evicted; - } - return(TRUE); - - case BUF_LRU_NOT_FREED: - /* The block was dirty, buffer-fixed, or I/O-fixed. - Keep looking. */ - continue; - - case BUF_LRU_CANNOT_RELOCATE: - /* This should never occur, because we - want to discard the compressed page too. */ - break; - } - - /* inappropriate return value from - buf_LRU_free_block() */ - ut_error; - } - - return(FALSE); -} - -/******************************************************************//** -Try to free a replaceable block. -@return TRUE if found and freed */ -UNIV_INTERN -ibool -buf_LRU_search_and_free_block( -/*==========================*/ - ulint n_iterations) /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; if - n_iterations < 10, then we search - n_iterations / 10 * buf_pool->curr_size - pages from the end of the LRU list; if - n_iterations < 5, then we will also search - n_iterations / 5 of the unzip_LRU list. */ -{ - ibool freed = FALSE; - - buf_pool_mutex_enter(); - - freed = buf_LRU_free_from_unzip_LRU_list(n_iterations); - - if (!freed) { - freed = buf_LRU_free_from_common_LRU_list(n_iterations); - } - - if (!freed) { - buf_pool->LRU_flush_ended = 0; - } else if (buf_pool->LRU_flush_ended > 0) { - buf_pool->LRU_flush_ended--; - } - - buf_pool_mutex_exit(); - - return(freed); -} - -/******************************************************************//** -Tries to remove LRU flushed blocks from the end of the LRU list and put them -to the free list. This is beneficial for the efficiency of the insert buffer -operation, as flushed pages from non-unique non-clustered indexes are here -taken out of the buffer pool, and their inserts redirected to the insert -buffer. Otherwise, the flushed blocks could get modified again before read -operations need new buffer blocks, and the i/o work done in flushing would be -wasted. */ -UNIV_INTERN -void -buf_LRU_try_free_flushed_blocks(void) -/*=================================*/ -{ - buf_pool_mutex_enter(); - - while (buf_pool->LRU_flush_ended > 0) { - - buf_pool_mutex_exit(); - - buf_LRU_search_and_free_block(1); - - buf_pool_mutex_enter(); - } - - buf_pool_mutex_exit(); -} - -/******************************************************************//** -Returns TRUE if less than 25 % of the buffer pool is available. This can be -used in heuristics to prevent huge transactions eating up the whole buffer -pool for their locks. -@return TRUE if less than 25 % of buffer pool left */ -UNIV_INTERN -ibool -buf_LRU_buf_pool_running_out(void) -/*==============================*/ -{ - ibool ret = FALSE; - - buf_pool_mutex_enter(); - - if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) - + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 4) { - - ret = TRUE; - } - - buf_pool_mutex_exit(); - - return(ret); -} - -/******************************************************************//** -Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, returns NULL. -@return a free control block, or NULL if the buf_block->free list is empty */ -UNIV_INTERN -buf_block_t* -buf_LRU_get_free_only(void) -/*=======================*/ -{ - buf_block_t* block; - - ut_ad(buf_pool_mutex_own()); - - block = (buf_block_t*) UT_LIST_GET_FIRST(buf_pool->free); - - if (block) { - ut_ad(block->page.in_free_list); - ut_d(block->page.in_free_list = FALSE); - ut_ad(!block->page.in_flush_list); - ut_ad(!block->page.in_LRU_list); - ut_a(!buf_page_in_file(&block->page)); - UT_LIST_REMOVE(list, buf_pool->free, (&block->page)); - - mutex_enter(&block->mutex); - - buf_block_set_state(block, BUF_BLOCK_READY_FOR_USE); - UNIV_MEM_ALLOC(block->frame, UNIV_PAGE_SIZE); - - mutex_exit(&block->mutex); - } - - return(block); -} - -/******************************************************************//** -Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, blocks are moved from the end of the -LRU list to the free list. -@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ -UNIV_INTERN -buf_block_t* -buf_LRU_get_free_block( -/*===================*/ - ulint zip_size) /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ -{ - buf_block_t* block = NULL; - ibool freed; - ulint n_iterations = 1; - ibool mon_value_was = FALSE; - ibool started_monitor = FALSE; -loop: - buf_pool_mutex_enter(); - - if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) - + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 20) { - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: ERROR: over 95 percent of the buffer pool" - " is occupied by\n" - "InnoDB: lock heaps or the adaptive hash index!" - " Check that your\n" - "InnoDB: transactions do not set too many row locks.\n" - "InnoDB: Your buffer pool size is %lu MB." - " Maybe you should make\n" - "InnoDB: the buffer pool bigger?\n" - "InnoDB: We intentionally generate a seg fault" - " to print a stack trace\n" - "InnoDB: on Linux!\n", - (ulong) (buf_pool->curr_size - / (1024 * 1024 / UNIV_PAGE_SIZE))); - - ut_error; - - } else if (!recv_recovery_on - && (UT_LIST_GET_LEN(buf_pool->free) - + UT_LIST_GET_LEN(buf_pool->LRU)) - < buf_pool->curr_size / 3) { - - if (!buf_lru_switched_on_innodb_mon) { - - /* Over 67 % of the buffer pool is occupied by lock - heaps or the adaptive hash index. This may be a memory - leak! */ - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: WARNING: over 67 percent of" - " the buffer pool is occupied by\n" - "InnoDB: lock heaps or the adaptive" - " hash index! Check that your\n" - "InnoDB: transactions do not set too many" - " row locks.\n" - "InnoDB: Your buffer pool size is %lu MB." - " Maybe you should make\n" - "InnoDB: the buffer pool bigger?\n" - "InnoDB: Starting the InnoDB Monitor to print" - " diagnostics, including\n" - "InnoDB: lock heap and hash index sizes.\n", - (ulong) (buf_pool->curr_size - / (1024 * 1024 / UNIV_PAGE_SIZE))); - - buf_lru_switched_on_innodb_mon = TRUE; - srv_print_innodb_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - } - } else if (buf_lru_switched_on_innodb_mon) { - - /* Switch off the InnoDB Monitor; this is a simple way - to stop the monitor if the situation becomes less urgent, - but may also surprise users if the user also switched on the - monitor! */ - - buf_lru_switched_on_innodb_mon = FALSE; - srv_print_innodb_monitor = FALSE; - } - - /* If there is a block in the free list, take it */ - block = buf_LRU_get_free_only(); - if (block) { - -#ifdef UNIV_DEBUG - block->page.zip.m_start = -#endif /* UNIV_DEBUG */ - block->page.zip.m_end = - block->page.zip.m_nonempty = - block->page.zip.n_blobs = 0; - - if (UNIV_UNLIKELY(zip_size)) { - ibool lru; - page_zip_set_size(&block->page.zip, zip_size); - block->page.zip.data = buf_buddy_alloc(zip_size, &lru); - UNIV_MEM_DESC(block->page.zip.data, zip_size, block); - } else { - page_zip_set_size(&block->page.zip, 0); - block->page.zip.data = NULL; - } - - buf_pool_mutex_exit(); - - if (started_monitor) { - srv_print_innodb_monitor = mon_value_was; - } - - return(block); - } - - /* If no block was in the free list, search from the end of the LRU - list and try to free a block there */ - - buf_pool_mutex_exit(); - - freed = buf_LRU_search_and_free_block(n_iterations); - - if (freed > 0) { - goto loop; - } - - if (n_iterations > 30) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: difficult to find free blocks in\n" - "InnoDB: the buffer pool (%lu search iterations)!" - " Consider\n" - "InnoDB: increasing the buffer pool size.\n" - "InnoDB: It is also possible that" - " in your Unix version\n" - "InnoDB: fsync is very slow, or" - " completely frozen inside\n" - "InnoDB: the OS kernel. Then upgrading to" - " a newer version\n" - "InnoDB: of your operating system may help." - " Look at the\n" - "InnoDB: number of fsyncs in diagnostic info below.\n" - "InnoDB: Pending flushes (fsync) log: %lu;" - " buffer pool: %lu\n" - "InnoDB: %lu OS file reads, %lu OS file writes," - " %lu OS fsyncs\n" - "InnoDB: Starting InnoDB Monitor to print further\n" - "InnoDB: diagnostics to the standard output.\n", - (ulong) n_iterations, - (ulong) fil_n_pending_log_flushes, - (ulong) fil_n_pending_tablespace_flushes, - (ulong) os_n_file_reads, (ulong) os_n_file_writes, - (ulong) os_n_fsyncs); - - mon_value_was = srv_print_innodb_monitor; - started_monitor = TRUE; - srv_print_innodb_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - } - - /* No free block was found: try to flush the LRU list */ - - buf_flush_free_margin(); - ++srv_buf_pool_wait_free; - - os_aio_simulated_wake_handler_threads(); - - buf_pool_mutex_enter(); - - if (buf_pool->LRU_flush_ended > 0) { - /* We have written pages in an LRU flush. To make the insert - buffer more efficient, we try to move these pages to the free - list. */ - - buf_pool_mutex_exit(); - - buf_LRU_try_free_flushed_blocks(); - } else { - buf_pool_mutex_exit(); - } - - if (n_iterations > 10) { - - os_thread_sleep(500000); - } - - n_iterations++; - - goto loop; -} - -/*******************************************************************//** -Moves the LRU_old pointer so that the length of the old blocks list -is inside the allowed limits. */ -UNIV_INLINE -void -buf_LRU_old_adjust_len(void) -/*========================*/ -{ - ulint old_len; - ulint new_len; - - ut_a(buf_pool->LRU_old); - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_LRU_old_ratio >= BUF_LRU_OLD_RATIO_MIN); - ut_ad(buf_LRU_old_ratio <= BUF_LRU_OLD_RATIO_MAX); -#if BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5) -# error "BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5)" -#endif -#ifdef UNIV_LRU_DEBUG - /* buf_pool->LRU_old must be the first item in the LRU list - whose "old" flag is set. */ - ut_a(buf_pool->LRU_old->old); - ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) - || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); - ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) - || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); -#endif /* UNIV_LRU_DEBUG */ - - old_len = buf_pool->LRU_old_len; - new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) - * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, - UT_LIST_GET_LEN(buf_pool->LRU) - - (BUF_LRU_OLD_TOLERANCE - + BUF_LRU_NON_OLD_MIN_LEN)); - - for (;;) { - buf_page_t* LRU_old = buf_pool->LRU_old; - - ut_a(LRU_old); - ut_ad(LRU_old->in_LRU_list); -#ifdef UNIV_LRU_DEBUG - ut_a(LRU_old->old); -#endif /* UNIV_LRU_DEBUG */ - - /* Update the LRU_old pointer if necessary */ - - if (old_len + BUF_LRU_OLD_TOLERANCE < new_len) { - - buf_pool->LRU_old = LRU_old = UT_LIST_GET_PREV( - LRU, LRU_old); -#ifdef UNIV_LRU_DEBUG - ut_a(!LRU_old->old); -#endif /* UNIV_LRU_DEBUG */ - old_len = ++buf_pool->LRU_old_len; - buf_page_set_old(LRU_old, TRUE); - - } else if (old_len > new_len + BUF_LRU_OLD_TOLERANCE) { - - buf_pool->LRU_old = UT_LIST_GET_NEXT(LRU, LRU_old); - old_len = --buf_pool->LRU_old_len; - buf_page_set_old(LRU_old, FALSE); - } else { - return; - } - } -} - -/*******************************************************************//** -Initializes the old blocks pointer in the LRU list. This function should be -called when the LRU list grows to BUF_LRU_OLD_MIN_LEN length. */ -static -void -buf_LRU_old_init(void) -/*==================*/ -{ - buf_page_t* bpage; - - ut_ad(buf_pool_mutex_own()); - ut_a(UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN); - - /* We first initialize all blocks in the LRU list as old and then use - the adjust function to move the LRU_old pointer to the right - position */ - - for (bpage = UT_LIST_GET_LAST(buf_pool->LRU); bpage != NULL; - bpage = UT_LIST_GET_PREV(LRU, bpage)) { - ut_ad(bpage->in_LRU_list); - ut_ad(buf_page_in_file(bpage)); - /* This loop temporarily violates the - assertions of buf_page_set_old(). */ - bpage->old = TRUE; - } - - buf_pool->LRU_old = UT_LIST_GET_FIRST(buf_pool->LRU); - buf_pool->LRU_old_len = UT_LIST_GET_LEN(buf_pool->LRU); - - buf_LRU_old_adjust_len(); -} - -/******************************************************************//** -Remove a block from the unzip_LRU list if it belonged to the list. */ -static -void -buf_unzip_LRU_remove_block_if_needed( -/*=================================*/ - buf_page_t* bpage) /*!< in/out: control block */ -{ - ut_ad(buf_pool); - ut_ad(bpage); - ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - - if (buf_page_belongs_to_unzip_LRU(bpage)) { - buf_block_t* block = (buf_block_t*) bpage; - - ut_ad(block->in_unzip_LRU_list); - ut_d(block->in_unzip_LRU_list = FALSE); - - UT_LIST_REMOVE(unzip_LRU, buf_pool->unzip_LRU, block); - } -} - -/******************************************************************//** -Removes a block from the LRU list. */ -UNIV_INLINE -void -buf_LRU_remove_block( -/*=================*/ - buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_pool); - ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); - - ut_a(buf_page_in_file(bpage)); - - ut_ad(bpage->in_LRU_list); - - /* If the LRU_old pointer is defined and points to just this block, - move it backward one step */ - - if (UNIV_UNLIKELY(bpage == buf_pool->LRU_old)) { - - /* Below: the previous block is guaranteed to exist, - because the LRU_old pointer is only allowed to differ - by BUF_LRU_OLD_TOLERANCE from strict - buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the LRU - list length. */ - buf_page_t* prev_bpage = UT_LIST_GET_PREV(LRU, bpage); - - ut_a(prev_bpage); -#ifdef UNIV_LRU_DEBUG - ut_a(!prev_bpage->old); -#endif /* UNIV_LRU_DEBUG */ - buf_pool->LRU_old = prev_bpage; - buf_page_set_old(prev_bpage, TRUE); - - buf_pool->LRU_old_len++; - } - - /* Remove the block from the LRU list */ - UT_LIST_REMOVE(LRU, buf_pool->LRU, bpage); - ut_d(bpage->in_LRU_list = FALSE); - - buf_unzip_LRU_remove_block_if_needed(bpage); - - /* If the LRU list is so short that LRU_old is not defined, - clear the "old" flags and return */ - if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { - - for (bpage = UT_LIST_GET_FIRST(buf_pool->LRU); bpage != NULL; - bpage = UT_LIST_GET_NEXT(LRU, bpage)) { - /* This loop temporarily violates the - assertions of buf_page_set_old(). */ - bpage->old = FALSE; - } - - buf_pool->LRU_old = NULL; - buf_pool->LRU_old_len = 0; - - return; - } - - ut_ad(buf_pool->LRU_old); - - /* Update the LRU_old_len field if necessary */ - if (buf_page_is_old(bpage)) { - - buf_pool->LRU_old_len--; - } - - /* Adjust the length of the old block list if necessary */ - buf_LRU_old_adjust_len(); -} - -/******************************************************************//** -Adds a block to the LRU list of decompressed zip pages. */ -UNIV_INTERN -void -buf_unzip_LRU_add_block( -/*====================*/ - buf_block_t* block, /*!< in: control block */ - ibool old) /*!< in: TRUE if should be put to the end - of the list, else put to the start */ -{ - ut_ad(buf_pool); - ut_ad(block); - ut_ad(buf_pool_mutex_own()); - - ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); - - ut_ad(!block->in_unzip_LRU_list); - ut_d(block->in_unzip_LRU_list = TRUE); - - if (old) { - UT_LIST_ADD_LAST(unzip_LRU, buf_pool->unzip_LRU, block); - } else { - UT_LIST_ADD_FIRST(unzip_LRU, buf_pool->unzip_LRU, block); - } -} - -/******************************************************************//** -Adds a block to the LRU list end. */ -UNIV_INLINE -void -buf_LRU_add_block_to_end_low( -/*=========================*/ - buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_pool); - ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); - - ut_a(buf_page_in_file(bpage)); - - ut_ad(!bpage->in_LRU_list); - UT_LIST_ADD_LAST(LRU, buf_pool->LRU, bpage); - ut_d(bpage->in_LRU_list = TRUE); - - if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { - - ut_ad(buf_pool->LRU_old); - - /* Adjust the length of the old block list if necessary */ - - buf_page_set_old(bpage, TRUE); - buf_pool->LRU_old_len++; - buf_LRU_old_adjust_len(); - - } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { - - /* The LRU list is now long enough for LRU_old to become - defined: init it */ - - buf_LRU_old_init(); - } else { - buf_page_set_old(bpage, buf_pool->LRU_old != NULL); - } - - /* If this is a zipped block with decompressed frame as well - then put it on the unzip_LRU list */ - if (buf_page_belongs_to_unzip_LRU(bpage)) { - buf_unzip_LRU_add_block((buf_block_t*) bpage, TRUE); - } -} - -/******************************************************************//** -Adds a block to the LRU list. */ -UNIV_INLINE -void -buf_LRU_add_block_low( -/*==================*/ - buf_page_t* bpage, /*!< in: control block */ - ibool old) /*!< in: TRUE if should be put to the old blocks - in the LRU list, else put to the start; if the - LRU list is very short, the block is added to - the start, regardless of this parameter */ -{ - ut_ad(buf_pool); - ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); - - ut_a(buf_page_in_file(bpage)); - ut_ad(!bpage->in_LRU_list); - - if (!old || (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN)) { - - UT_LIST_ADD_FIRST(LRU, buf_pool->LRU, bpage); - - bpage->freed_page_clock = buf_pool->freed_page_clock; - } else { -#ifdef UNIV_LRU_DEBUG - /* buf_pool->LRU_old must be the first item in the LRU list - whose "old" flag is set. */ - ut_a(buf_pool->LRU_old->old); - ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old) - || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old); - ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old) - || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old); -#endif /* UNIV_LRU_DEBUG */ - UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, buf_pool->LRU_old, - bpage); - buf_pool->LRU_old_len++; - } - - ut_d(bpage->in_LRU_list = TRUE); - - if (UT_LIST_GET_LEN(buf_pool->LRU) > BUF_LRU_OLD_MIN_LEN) { - - ut_ad(buf_pool->LRU_old); - - /* Adjust the length of the old block list if necessary */ - - buf_page_set_old(bpage, old); - buf_LRU_old_adjust_len(); - - } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { - - /* The LRU list is now long enough for LRU_old to become - defined: init it */ - - buf_LRU_old_init(); - } else { - buf_page_set_old(bpage, buf_pool->LRU_old != NULL); - } - - /* If this is a zipped block with decompressed frame as well - then put it on the unzip_LRU list */ - if (buf_page_belongs_to_unzip_LRU(bpage)) { - buf_unzip_LRU_add_block((buf_block_t*) bpage, old); - } -} - -/******************************************************************//** -Adds a block to the LRU list. */ -UNIV_INTERN -void -buf_LRU_add_block( -/*==============*/ - buf_page_t* bpage, /*!< in: control block */ - ibool old) /*!< in: TRUE if should be put to the old - blocks in the LRU list, else put to the start; - if the LRU list is very short, the block is - added to the start, regardless of this - parameter */ -{ - buf_LRU_add_block_low(bpage, old); -} - -/******************************************************************//** -Moves a block to the start of the LRU list. */ -UNIV_INTERN -void -buf_LRU_make_block_young( -/*=====================*/ - buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_pool_mutex_own()); - - if (bpage->old) { - buf_pool->stat.n_pages_made_young++; - } - - buf_LRU_remove_block(bpage); - buf_LRU_add_block_low(bpage, FALSE); -} - -/******************************************************************//** -Moves a block to the end of the LRU list. */ -UNIV_INTERN -void -buf_LRU_make_block_old( -/*===================*/ - buf_page_t* bpage) /*!< in: control block */ -{ - buf_LRU_remove_block(bpage); - buf_LRU_add_block_to_end_low(bpage); -} - -/******************************************************************//** -Try to free a block. If bpage is a descriptor of a compressed-only -page, the descriptor object will be freed as well. - -NOTE: If this function returns BUF_LRU_FREED, it will not temporarily -release buf_pool_mutex. Furthermore, the page frame will no longer be -accessible via bpage. - -The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and -release these two mutexes after the call. No other -buf_page_get_mutex() may be held when calling this function. -@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or -BUF_LRU_NOT_FREED otherwise. */ -UNIV_INTERN -enum buf_lru_free_block_status -buf_LRU_free_block( -/*===============*/ - buf_page_t* bpage, /*!< in: block to be freed */ - ibool zip, /*!< in: TRUE if should remove also the - compressed page of an uncompressed page */ - ibool* buf_pool_mutex_released) - /*!< in: pointer to a variable that will - be assigned TRUE if buf_pool_mutex - was temporarily released, or NULL */ -{ - buf_page_t* b = NULL; - mutex_t* block_mutex = buf_page_get_mutex(bpage); - - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(block_mutex)); - ut_ad(buf_page_in_file(bpage)); - ut_ad(bpage->in_LRU_list); - ut_ad(!bpage->in_flush_list == !bpage->oldest_modification); - UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); - - if (!buf_page_can_relocate(bpage)) { - - /* Do not free buffer-fixed or I/O-fixed blocks. */ - return(BUF_LRU_NOT_FREED); - } - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(bpage->space, bpage->offset) == 0); -#endif /* UNIV_IBUF_COUNT_DEBUG */ - - if (zip || !bpage->zip.data) { - /* This would completely free the block. */ - /* Do not completely free dirty blocks. */ - - if (bpage->oldest_modification) { - return(BUF_LRU_NOT_FREED); - } - } else if (bpage->oldest_modification) { - /* Do not completely free dirty blocks. */ - - if (buf_page_get_state(bpage) != BUF_BLOCK_FILE_PAGE) { - ut_ad(buf_page_get_state(bpage) - == BUF_BLOCK_ZIP_DIRTY); - return(BUF_LRU_NOT_FREED); - } - - goto alloc; - } else if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { - /* Allocate the control block for the compressed page. - If it cannot be allocated (without freeing a block - from the LRU list), refuse to free bpage. */ -alloc: - buf_pool_mutex_exit_forbid(); - b = buf_buddy_alloc(sizeof *b, NULL); - buf_pool_mutex_exit_allow(); - - if (UNIV_UNLIKELY(!b)) { - return(BUF_LRU_CANNOT_RELOCATE); - } - - memcpy(b, bpage, sizeof *b); - } - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, "Putting space %lu page %lu to free list\n", - (ulong) buf_page_get_space(bpage), - (ulong) buf_page_get_page_no(bpage)); - } -#endif /* UNIV_DEBUG */ - - if (buf_LRU_block_remove_hashed_page(bpage, zip) - != BUF_BLOCK_ZIP_FREE) { - ut_a(bpage->buf_fix_count == 0); - - if (b) { - buf_page_t* prev_b = UT_LIST_GET_PREV(LRU, b); - const ulint fold = buf_page_address_fold( - bpage->space, bpage->offset); - buf_page_t* hash_b = buf_page_hash_get_low( - bpage->space, bpage->offset, fold); - - ut_a(!hash_b); - - b->state = b->oldest_modification - ? BUF_BLOCK_ZIP_DIRTY - : BUF_BLOCK_ZIP_PAGE; - UNIV_MEM_DESC(b->zip.data, - page_zip_get_size(&b->zip), b); - - /* The fields in_page_hash and in_LRU_list of - the to-be-freed block descriptor should have - been cleared in - buf_LRU_block_remove_hashed_page(), which - invokes buf_LRU_remove_block(). */ - ut_ad(!bpage->in_page_hash); - ut_ad(!bpage->in_LRU_list); - /* bpage->state was BUF_BLOCK_FILE_PAGE because - b != NULL. The type cast below is thus valid. */ - ut_ad(!((buf_block_t*) bpage)->in_unzip_LRU_list); - - /* The fields of bpage were copied to b before - buf_LRU_block_remove_hashed_page() was invoked. */ - ut_ad(!b->in_zip_hash); - ut_ad(b->in_page_hash); - ut_ad(b->in_LRU_list); - - HASH_INSERT(buf_page_t, hash, - buf_pool->page_hash, fold, b); - - /* Insert b where bpage was in the LRU list. */ - if (UNIV_LIKELY(prev_b != NULL)) { - ulint lru_len; - - ut_ad(prev_b->in_LRU_list); - ut_ad(buf_page_in_file(prev_b)); - UNIV_MEM_ASSERT_RW(prev_b, sizeof *prev_b); - - UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, - prev_b, b); - - if (buf_page_is_old(b)) { - buf_pool->LRU_old_len++; - if (UNIV_UNLIKELY - (buf_pool->LRU_old - == UT_LIST_GET_NEXT(LRU, b))) { - - buf_pool->LRU_old = b; - } - } - - lru_len = UT_LIST_GET_LEN(buf_pool->LRU); - - if (lru_len > BUF_LRU_OLD_MIN_LEN) { - ut_ad(buf_pool->LRU_old); - /* Adjust the length of the - old block list if necessary */ - buf_LRU_old_adjust_len(); - } else if (lru_len == BUF_LRU_OLD_MIN_LEN) { - /* The LRU list is now long - enough for LRU_old to become - defined: init it */ - buf_LRU_old_init(); - } -#ifdef UNIV_LRU_DEBUG - /* Check that the "old" flag is consistent - in the block and its neighbours. */ - buf_page_set_old(b, buf_page_is_old(b)); -#endif /* UNIV_LRU_DEBUG */ - } else { - ut_d(b->in_LRU_list = FALSE); - buf_LRU_add_block_low(b, buf_page_is_old(b)); - } - - if (b->state == BUF_BLOCK_ZIP_PAGE) { - buf_LRU_insert_zip_clean(b); - } else { - /* Relocate on buf_pool->flush_list. */ - buf_flush_relocate_on_flush_list(bpage, b); - } - - bpage->zip.data = NULL; - page_zip_set_size(&bpage->zip, 0); - - /* Prevent buf_page_get_gen() from - decompressing the block while we release - buf_pool_mutex and block_mutex. */ - b->buf_fix_count++; - b->io_fix = BUF_IO_READ; - } - - if (buf_pool_mutex_released) { - *buf_pool_mutex_released = TRUE; - } - - buf_pool_mutex_exit(); - mutex_exit(block_mutex); - - /* Remove possible adaptive hash index on the page. - The page was declared uninitialized by - buf_LRU_block_remove_hashed_page(). We need to flag - the contents of the page valid (which it still is) in - order to avoid bogus Valgrind warnings.*/ - - UNIV_MEM_VALID(((buf_block_t*) bpage)->frame, - UNIV_PAGE_SIZE); - btr_search_drop_page_hash_index((buf_block_t*) bpage); - UNIV_MEM_INVALID(((buf_block_t*) bpage)->frame, - UNIV_PAGE_SIZE); - - if (b) { - /* Compute and stamp the compressed page - checksum while not holding any mutex. The - block is already half-freed - (BUF_BLOCK_REMOVE_HASH) and removed from - buf_pool->page_hash, thus inaccessible by any - other thread. */ - - mach_write_to_4( - b->zip.data + FIL_PAGE_SPACE_OR_CHKSUM, - UNIV_LIKELY(srv_use_checksums) - ? page_zip_calc_checksum( - b->zip.data, - page_zip_get_size(&b->zip)) - : BUF_NO_CHECKSUM_MAGIC); - } - - buf_pool_mutex_enter(); - mutex_enter(block_mutex); - - if (b) { - mutex_enter(&buf_pool_zip_mutex); - b->buf_fix_count--; - buf_page_set_io_fix(b, BUF_IO_NONE); - mutex_exit(&buf_pool_zip_mutex); - } - - buf_LRU_block_free_hashed_page((buf_block_t*) bpage); - } else { - /* The block_mutex should have been released by - buf_LRU_block_remove_hashed_page() when it returns - BUF_BLOCK_ZIP_FREE. */ - ut_ad(block_mutex == &buf_pool_zip_mutex); - mutex_enter(block_mutex); - } - - return(BUF_LRU_FREED); -} - -/******************************************************************//** -Puts a block back to the free list. */ -UNIV_INTERN -void -buf_LRU_block_free_non_file_page( -/*=============================*/ - buf_block_t* block) /*!< in: block, must not contain a file page */ -{ - void* data; - - ut_ad(block); - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(&block->mutex)); - - switch (buf_block_get_state(block)) { - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_READY_FOR_USE: - break; - default: - ut_error; - } - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - ut_a(block->n_pointers == 0); -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - ut_ad(!block->page.in_free_list); - ut_ad(!block->page.in_flush_list); - ut_ad(!block->page.in_LRU_list); - - buf_block_set_state(block, BUF_BLOCK_NOT_USED); - - UNIV_MEM_ALLOC(block->frame, UNIV_PAGE_SIZE); -#ifdef UNIV_DEBUG - /* Wipe contents of page to reveal possible stale pointers to it */ - memset(block->frame, '\0', UNIV_PAGE_SIZE); -#else - /* Wipe page_no and space_id */ - memset(block->frame + FIL_PAGE_OFFSET, 0xfe, 4); - memset(block->frame + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0xfe, 4); -#endif - data = block->page.zip.data; - - if (data) { - block->page.zip.data = NULL; - mutex_exit(&block->mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(data, page_zip_get_size(&block->page.zip)); - buf_pool_mutex_exit_allow(); - mutex_enter(&block->mutex); - page_zip_set_size(&block->page.zip, 0); - } - - UT_LIST_ADD_FIRST(list, buf_pool->free, (&block->page)); - ut_d(block->page.in_free_list = TRUE); - - UNIV_MEM_ASSERT_AND_FREE(block->frame, UNIV_PAGE_SIZE); -} - -/******************************************************************//** -Takes a block out of the LRU list and page hash table. -If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), -the object will be freed and buf_pool_zip_mutex will be released. - -If a compressed page or a compressed-only block descriptor is freed, -other compressed pages or compressed-only block descriptors may be -relocated. -@return the new state of the block (BUF_BLOCK_ZIP_FREE if the state -was BUF_BLOCK_ZIP_PAGE, or BUF_BLOCK_REMOVE_HASH otherwise) */ -static -enum buf_page_state -buf_LRU_block_remove_hashed_page( -/*=============================*/ - buf_page_t* bpage, /*!< in: block, must contain a file page and - be in a state where it can be freed; there - may or may not be a hash index to the page */ - ibool zip) /*!< in: TRUE if should remove also the - compressed page of an uncompressed page */ -{ - ulint fold; - const buf_page_t* hashed_bpage; - ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - - ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); - ut_a(bpage->buf_fix_count == 0); - - UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); - - buf_LRU_remove_block(bpage); - - buf_pool->freed_page_clock += 1; - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_FILE_PAGE: - UNIV_MEM_ASSERT_W(bpage, sizeof(buf_block_t)); - UNIV_MEM_ASSERT_W(((buf_block_t*) bpage)->frame, - UNIV_PAGE_SIZE); - buf_block_modify_clock_inc((buf_block_t*) bpage); - if (bpage->zip.data) { - const page_t* page = ((buf_block_t*) bpage)->frame; - const ulint zip_size - = page_zip_get_size(&bpage->zip); - - ut_a(!zip || bpage->oldest_modification == 0); - - switch (UNIV_EXPECT(fil_page_get_type(page), - FIL_PAGE_INDEX)) { - case FIL_PAGE_TYPE_ALLOCATED: - case FIL_PAGE_INODE: - case FIL_PAGE_IBUF_BITMAP: - case FIL_PAGE_TYPE_FSP_HDR: - case FIL_PAGE_TYPE_XDES: - /* These are essentially uncompressed pages. */ - if (!zip) { - /* InnoDB writes the data to the - uncompressed page frame. Copy it - to the compressed page, which will - be preserved. */ - memcpy(bpage->zip.data, page, - zip_size); - } - break; - case FIL_PAGE_TYPE_ZBLOB: - case FIL_PAGE_TYPE_ZBLOB2: - break; - case FIL_PAGE_INDEX: -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(&bpage->zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - break; - default: - ut_print_timestamp(stderr); - fputs(" InnoDB: ERROR: The compressed page" - " to be evicted seems corrupt:", stderr); - ut_print_buf(stderr, page, zip_size); - fputs("\nInnoDB: Possibly older version" - " of the page:", stderr); - ut_print_buf(stderr, bpage->zip.data, - zip_size); - putc('\n', stderr); - ut_error; - } - - break; - } - /* fall through */ - case BUF_BLOCK_ZIP_PAGE: - ut_a(bpage->oldest_modification == 0); - UNIV_MEM_ASSERT_W(bpage->zip.data, - page_zip_get_size(&bpage->zip)); - break; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - } - - fold = buf_page_address_fold(bpage->space, bpage->offset); - hashed_bpage = buf_page_hash_get_low(bpage->space, bpage->offset, - fold); - - if (UNIV_UNLIKELY(bpage != hashed_bpage)) { - fprintf(stderr, - "InnoDB: Error: page %lu %lu not found" - " in the hash table\n", - (ulong) bpage->space, - (ulong) bpage->offset); - if (hashed_bpage) { - fprintf(stderr, - "InnoDB: In hash table we find block" - " %p of %lu %lu which is not %p\n", - (const void*) hashed_bpage, - (ulong) hashed_bpage->space, - (ulong) hashed_bpage->offset, - (const void*) bpage); - } - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - mutex_exit(buf_page_get_mutex(bpage)); - buf_pool_mutex_exit(); - buf_print(); - buf_LRU_print(); - buf_validate(); - buf_LRU_validate(); -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - ut_error; - } - - ut_ad(!bpage->in_zip_hash); - ut_ad(bpage->in_page_hash); - ut_d(bpage->in_page_hash = FALSE); - HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage); - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - ut_ad(!bpage->in_free_list); - ut_ad(!bpage->in_flush_list); - ut_ad(!bpage->in_LRU_list); - ut_a(bpage->zip.data); - ut_a(buf_page_get_zip_size(bpage)); - - UT_LIST_REMOVE(list, buf_pool->zip_clean, bpage); - - mutex_exit(&buf_pool_zip_mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(bpage->zip.data, - page_zip_get_size(&bpage->zip)); - buf_buddy_free(bpage, sizeof(*bpage)); - buf_pool_mutex_exit_allow(); - UNIV_MEM_UNDESC(bpage); - return(BUF_BLOCK_ZIP_FREE); - - case BUF_BLOCK_FILE_PAGE: - memset(((buf_block_t*) bpage)->frame - + FIL_PAGE_OFFSET, 0xff, 4); - memset(((buf_block_t*) bpage)->frame - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0xff, 4); - UNIV_MEM_INVALID(((buf_block_t*) bpage)->frame, - UNIV_PAGE_SIZE); - buf_page_set_state(bpage, BUF_BLOCK_REMOVE_HASH); - - if (zip && bpage->zip.data) { - /* Free the compressed page. */ - void* data = bpage->zip.data; - bpage->zip.data = NULL; - - ut_ad(!bpage->in_free_list); - ut_ad(!bpage->in_flush_list); - ut_ad(!bpage->in_LRU_list); - mutex_exit(&((buf_block_t*) bpage)->mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(data, page_zip_get_size(&bpage->zip)); - buf_pool_mutex_exit_allow(); - mutex_enter(&((buf_block_t*) bpage)->mutex); - page_zip_set_size(&bpage->zip, 0); - } - - return(BUF_BLOCK_REMOVE_HASH); - - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - break; - } - - ut_error; - return(BUF_BLOCK_ZIP_FREE); -} - -/******************************************************************//** -Puts a file page whose has no hash index to the free list. */ -static -void -buf_LRU_block_free_hashed_page( -/*===========================*/ - buf_block_t* block) /*!< in: block, must contain a file page and - be in a state where it can be freed */ -{ - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(&block->mutex)); - - buf_block_set_state(block, BUF_BLOCK_MEMORY); - - buf_LRU_block_free_non_file_page(block); -} - -/**********************************************************************//** -Updates buf_LRU_old_ratio. -@return updated old_pct */ -UNIV_INTERN -uint -buf_LRU_old_ratio_update( -/*=====================*/ - uint old_pct,/*!< in: Reserve this percentage of - the buffer pool for "old" blocks. */ - ibool adjust) /*!< in: TRUE=adjust the LRU list; - FALSE=just assign buf_LRU_old_ratio - during the initialization of InnoDB */ -{ - uint ratio; - - ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100; - if (ratio < BUF_LRU_OLD_RATIO_MIN) { - ratio = BUF_LRU_OLD_RATIO_MIN; - } else if (ratio > BUF_LRU_OLD_RATIO_MAX) { - ratio = BUF_LRU_OLD_RATIO_MAX; - } - - if (adjust) { - buf_pool_mutex_enter(); - - if (ratio != buf_LRU_old_ratio) { - buf_LRU_old_ratio = ratio; - - if (UT_LIST_GET_LEN(buf_pool->LRU) - >= BUF_LRU_OLD_MIN_LEN) { - buf_LRU_old_adjust_len(); - } - } - - buf_pool_mutex_exit(); - } else { - buf_LRU_old_ratio = ratio; - } - - /* the reverse of - ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100 */ - return((uint) (ratio * 100 / (double) BUF_LRU_OLD_RATIO_DIV + 0.5)); -} - -/********************************************************************//** -Update the historical stats that we are collecting for LRU eviction -policy at the end of each interval. */ -UNIV_INTERN -void -buf_LRU_stat_update(void) -/*=====================*/ -{ - buf_LRU_stat_t* item; - - /* If we haven't started eviction yet then don't update stats. */ - if (buf_pool->freed_page_clock == 0) { - goto func_exit; - } - - buf_pool_mutex_enter(); - - /* Update the index. */ - item = &buf_LRU_stat_arr[buf_LRU_stat_arr_ind]; - buf_LRU_stat_arr_ind++; - buf_LRU_stat_arr_ind %= BUF_LRU_STAT_N_INTERVAL; - - /* Add the current value and subtract the obsolete entry. */ - buf_LRU_stat_sum.io += buf_LRU_stat_cur.io - item->io; - buf_LRU_stat_sum.unzip += buf_LRU_stat_cur.unzip - item->unzip; - - /* Put current entry in the array. */ - memcpy(item, &buf_LRU_stat_cur, sizeof *item); - - buf_pool_mutex_exit(); - -func_exit: - /* Clear the current entry. */ - memset(&buf_LRU_stat_cur, 0, sizeof buf_LRU_stat_cur); -} - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Validates the LRU list. -@return TRUE */ -UNIV_INTERN -ibool -buf_LRU_validate(void) -/*==================*/ -{ - buf_page_t* bpage; - buf_block_t* block; - ulint old_len; - ulint new_len; - - ut_ad(buf_pool); - buf_pool_mutex_enter(); - - if (UT_LIST_GET_LEN(buf_pool->LRU) >= BUF_LRU_OLD_MIN_LEN) { - - ut_a(buf_pool->LRU_old); - old_len = buf_pool->LRU_old_len; - new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) - * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, - UT_LIST_GET_LEN(buf_pool->LRU) - - (BUF_LRU_OLD_TOLERANCE - + BUF_LRU_NON_OLD_MIN_LEN)); - ut_a(old_len >= new_len - BUF_LRU_OLD_TOLERANCE); - ut_a(old_len <= new_len + BUF_LRU_OLD_TOLERANCE); - } - - UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU, - ut_ad(ut_list_node_313->in_LRU_list)); - - bpage = UT_LIST_GET_FIRST(buf_pool->LRU); - - old_len = 0; - - while (bpage != NULL) { - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - ut_error; - break; - case BUF_BLOCK_FILE_PAGE: - ut_ad(((buf_block_t*) bpage)->in_unzip_LRU_list - == buf_page_belongs_to_unzip_LRU(bpage)); - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - break; - } - - if (buf_page_is_old(bpage)) { - const buf_page_t* prev - = UT_LIST_GET_PREV(LRU, bpage); - const buf_page_t* next - = UT_LIST_GET_NEXT(LRU, bpage); - - if (!old_len++) { - ut_a(buf_pool->LRU_old == bpage); - } else { - ut_a(!prev || buf_page_is_old(prev)); - } - - ut_a(!next || buf_page_is_old(next)); - } - - bpage = UT_LIST_GET_NEXT(LRU, bpage); - } - - ut_a(buf_pool->LRU_old_len == old_len); - - UT_LIST_VALIDATE(list, buf_page_t, buf_pool->free, - ut_ad(ut_list_node_313->in_free_list)); - - for (bpage = UT_LIST_GET_FIRST(buf_pool->free); - bpage != NULL; - bpage = UT_LIST_GET_NEXT(list, bpage)) { - - ut_a(buf_page_get_state(bpage) == BUF_BLOCK_NOT_USED); - } - - UT_LIST_VALIDATE(unzip_LRU, buf_block_t, buf_pool->unzip_LRU, - ut_ad(ut_list_node_313->in_unzip_LRU_list - && ut_list_node_313->page.in_LRU_list)); - - for (block = UT_LIST_GET_FIRST(buf_pool->unzip_LRU); - block; - block = UT_LIST_GET_NEXT(unzip_LRU, block)) { - - ut_ad(block->in_unzip_LRU_list); - ut_ad(block->page.in_LRU_list); - ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); - } - - buf_pool_mutex_exit(); - return(TRUE); -} -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Prints the LRU list. */ -UNIV_INTERN -void -buf_LRU_print(void) -/*===============*/ -{ - const buf_page_t* bpage; - - ut_ad(buf_pool); - buf_pool_mutex_enter(); - - bpage = UT_LIST_GET_FIRST(buf_pool->LRU); - - while (bpage != NULL) { - - mutex_enter(buf_page_get_mutex(bpage)); - fprintf(stderr, "BLOCK space %lu page %lu ", - (ulong) buf_page_get_space(bpage), - (ulong) buf_page_get_page_no(bpage)); - - if (buf_page_is_old(bpage)) { - fputs("old ", stderr); - } - - if (bpage->buf_fix_count) { - fprintf(stderr, "buffix count %lu ", - (ulong) bpage->buf_fix_count); - } - - if (buf_page_get_io_fix(bpage)) { - fprintf(stderr, "io_fix %lu ", - (ulong) buf_page_get_io_fix(bpage)); - } - - if (bpage->oldest_modification) { - fputs("modif. ", stderr); - } - - switch (buf_page_get_state(bpage)) { - const byte* frame; - case BUF_BLOCK_FILE_PAGE: - frame = buf_block_get_frame((buf_block_t*) bpage); - fprintf(stderr, "\ntype %lu" - " index id %lu\n", - (ulong) fil_page_get_type(frame), - (ulong) ut_dulint_get_low( - btr_page_get_index_id(frame))); - break; - case BUF_BLOCK_ZIP_PAGE: - frame = bpage->zip.data; - fprintf(stderr, "\ntype %lu size %lu" - " index id %lu\n", - (ulong) fil_page_get_type(frame), - (ulong) buf_page_get_zip_size(bpage), - (ulong) ut_dulint_get_low( - btr_page_get_index_id(frame))); - break; - - default: - fprintf(stderr, "\n!state %lu!\n", - (ulong) buf_page_get_state(bpage)); - break; - } - - mutex_exit(buf_page_get_mutex(bpage)); - bpage = UT_LIST_GET_NEXT(LRU, bpage); - } - - buf_pool_mutex_exit(); -} -#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ diff --git a/perfschema/buf/buf0rea.c b/perfschema/buf/buf0rea.c deleted file mode 100644 index a973b1b2d26..00000000000 --- a/perfschema/buf/buf0rea.c +++ /dev/null @@ -1,656 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file buf/buf0rea.c -The database buffer read - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#include "buf0rea.h" - -#include "fil0fil.h" -#include "mtr0mtr.h" - -#include "buf0buf.h" -#include "buf0flu.h" -#include "buf0lru.h" -#include "ibuf0ibuf.h" -#include "log0recv.h" -#include "trx0sys.h" -#include "os0file.h" -#include "srv0start.h" -#include "srv0srv.h" - -/** The linear read-ahead area size */ -#define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA - -/** If there are buf_pool->curr_size per the number below pending reads, then -read-ahead is not done: this is to prevent flooding the buffer pool with -i/o-fixed buffer blocks */ -#define BUF_READ_AHEAD_PEND_LIMIT 2 - -/********************************************************************//** -Low-level function which reads a page asynchronously from a file to the -buffer buf_pool if it is not already there, in which case does nothing. -Sets the io_fix flag and sets an exclusive lock on the buffer frame. The -flag is cleared and the x-lock released by an i/o-handler thread. -@return 1 if a read request was queued, 0 if the page already resided -in buf_pool, or if the page is in the doublewrite buffer blocks in -which case it is never read into the pool, or if the tablespace does -not exist or is being dropped -@return 1 if read request is issued. 0 if it is not */ -static -ulint -buf_read_page_low( -/*==============*/ - ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED if we are - trying to read from a non-existent tablespace, or a - tablespace which is just now being dropped */ - ibool sync, /*!< in: TRUE if synchronous aio is desired */ - ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ..., - ORed to OS_AIO_SIMULATED_WAKE_LATER (see below - at read-ahead functions) */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - ibool unzip, /*!< in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version, /*!< in: if the space memory object has - this timestamp different from what we are giving here, - treat the tablespace as dropped; this is a timestamp we - use to stop dangling page reads from a tablespace - which we have DISCARDed + IMPORTed back */ - ulint offset) /*!< in: page number */ -{ - buf_page_t* bpage; - ulint wake_later; - - *err = DB_SUCCESS; - - wake_later = mode & OS_AIO_SIMULATED_WAKE_LATER; - mode = mode & ~OS_AIO_SIMULATED_WAKE_LATER; - - if (trx_doublewrite && space == TRX_SYS_SPACE - && ( (offset >= trx_doublewrite->block1 - && offset < trx_doublewrite->block1 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) - || (offset >= trx_doublewrite->block2 - && offset < trx_doublewrite->block2 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE))) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: trying to read" - " doublewrite buffer page %lu\n", - (ulong) offset); - - return(0); - } - - if (ibuf_bitmap_page(zip_size, offset) - || trx_sys_hdr_page(space, offset)) { - - /* Trx sys header is so low in the latching order that we play - safe and do not leave the i/o-completion to an asynchronous - i/o-thread. Ibuf bitmap pages must always be read with - syncronous i/o, to make sure they do not get involved in - thread deadlocks. */ - - sync = TRUE; - } - - /* The following call will also check if the tablespace does not exist - or is being dropped; if we succeed in initing the page in the buffer - pool for read, then DISCARD cannot proceed until the read has - completed */ - bpage = buf_page_init_for_read(err, mode, space, zip_size, unzip, - tablespace_version, offset); - if (bpage == NULL) { - - return(0); - } - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, - "Posting read request for page %lu, sync %lu\n", - (ulong) offset, - (ulong) sync); - } -#endif - - ut_ad(buf_page_in_file(bpage)); - - if (zip_size) { - *err = fil_io(OS_FILE_READ | wake_later, - sync, space, zip_size, offset, 0, zip_size, - bpage->zip.data, bpage); - } else { - ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); - - *err = fil_io(OS_FILE_READ | wake_later, - sync, space, 0, offset, 0, UNIV_PAGE_SIZE, - ((buf_block_t*) bpage)->frame, bpage); - } - ut_a(*err == DB_SUCCESS); - - if (sync) { - /* The i/o is already completed when we arrive from - fil_read */ - buf_page_io_complete(bpage); - } - - return(1); -} - -/********************************************************************//** -High-level function which reads a page asynchronously from a file to the -buffer buf_pool if it is not already there. Sets the io_fix flag and sets -an exclusive lock on the buffer frame. The flag is cleared and the x-lock -released by the i/o-handler thread. -@return TRUE if page has been read in, FALSE in case of failure */ -UNIV_INTERN -ibool -buf_read_page( -/*==========*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint offset) /*!< in: page number */ -{ - ib_int64_t tablespace_version; - ulint count; - ulint err; - - tablespace_version = fil_space_get_version(space); - - /* We do the i/o in the synchronous aio mode to save thread - switches: hence TRUE */ - - count = buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, - zip_size, FALSE, - tablespace_version, offset); - srv_buf_pool_reads += count; - if (err == DB_TABLESPACE_DELETED) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: trying to access" - " tablespace %lu page no. %lu,\n" - "InnoDB: but the tablespace does not exist" - " or is just being dropped.\n", - (ulong) space, (ulong) offset); - } - - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); - - /* Increment number of I/O operations used for LRU policy. */ - buf_LRU_stat_inc_io(); - - return(count > 0); -} - -/********************************************************************//** -Applies linear read-ahead if in the buf_pool the page is a border page of -a linear read-ahead area and all the pages in the area have been accessed. -Does not read any page if the read-ahead mechanism is not activated. Note -that the algorithm looks at the 'natural' adjacent successor and -predecessor of the page, which on the leaf level of a B-tree are the next -and previous page in the chain of leaves. To know these, the page specified -in (space, offset) must already be present in the buf_pool. Thus, the -natural way to use this function is to call it when a page in the buf_pool -is accessed the first time, calling this function just after it has been -bufferfixed. -NOTE 1: as this function looks at the natural predecessor and successor -fields on the page, what happens, if these are not initialized to any -sensible value? No problem, before applying read-ahead we check that the -area to read is within the span of the space, if not, read-ahead is not -applied. An uninitialized value may result in a useless read operation, but -only very improbably. -NOTE 2: the calling thread may own latches on pages: to avoid deadlocks this -function must be written such that it cannot end up waiting for these -latches! -NOTE 3: the calling thread must want access to the page given: this rule is -set to prevent unintended read-aheads performed by ibuf routines, a situation -which could result in a deadlock if the OS does not support asynchronous io. -@return number of page read requests issued */ -UNIV_INTERN -ulint -buf_read_ahead_linear( -/*==================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint offset) /*!< in: page number of a page; NOTE: the current thread - must want access to this page (see NOTE 3 above) */ -{ - ib_int64_t tablespace_version; - buf_page_t* bpage; - buf_frame_t* frame; - buf_page_t* pred_bpage = NULL; - ulint pred_offset; - ulint succ_offset; - ulint count; - int asc_or_desc; - ulint new_offset; - ulint fail_count; - ulint ibuf_mode; - ulint low, high; - ulint err; - ulint i; - const ulint buf_read_ahead_linear_area - = BUF_READ_AHEAD_LINEAR_AREA; - ulint threshold; - - if (UNIV_UNLIKELY(srv_startup_is_before_trx_rollback_phase)) { - /* No read-ahead to avoid thread deadlocks */ - return(0); - } - - low = (offset / buf_read_ahead_linear_area) - * buf_read_ahead_linear_area; - high = (offset / buf_read_ahead_linear_area + 1) - * buf_read_ahead_linear_area; - - if ((offset != low) && (offset != high - 1)) { - /* This is not a border page of the area: return */ - - return(0); - } - - if (ibuf_bitmap_page(zip_size, offset) - || trx_sys_hdr_page(space, offset)) { - - /* If it is an ibuf bitmap page or trx sys hdr, we do - no read-ahead, as that could break the ibuf page access - order */ - - return(0); - } - - /* Remember the tablespace version before we ask te tablespace size - below: if DISCARD + IMPORT changes the actual .ibd file meanwhile, we - do not try to read outside the bounds of the tablespace! */ - - tablespace_version = fil_space_get_version(space); - - buf_pool_mutex_enter(); - - if (high > fil_space_get_size(space)) { - buf_pool_mutex_exit(); - /* The area is not whole, return */ - - return(0); - } - - if (buf_pool->n_pend_reads - > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { - buf_pool_mutex_exit(); - - return(0); - } - - /* Check that almost all pages in the area have been accessed; if - offset == low, the accesses must be in a descending order, otherwise, - in an ascending order. */ - - asc_or_desc = 1; - - if (offset == low) { - asc_or_desc = -1; - } - - /* How many out of order accessed pages can we ignore - when working out the access pattern for linear readahead */ - threshold = ut_min((64 - srv_read_ahead_threshold), - BUF_READ_AHEAD_AREA); - - fail_count = 0; - - for (i = low; i < high; i++) { - bpage = buf_page_hash_get(space, i); - - if ((bpage == NULL) || !buf_page_is_accessed(bpage)) { - /* Not accessed */ - fail_count++; - - } else if (pred_bpage) { - /* Note that buf_page_is_accessed() returns - the time of the first access. If some blocks - of the extent existed in the buffer pool at - the time of a linear access pattern, the first - access times may be nonmonotonic, even though - the latest access times were linear. The - threshold (srv_read_ahead_factor) should help - a little against this. */ - int res = ut_ulint_cmp( - buf_page_is_accessed(bpage), - buf_page_is_accessed(pred_bpage)); - /* Accesses not in the right order */ - if (res != 0 && res != asc_or_desc) { - fail_count++; - } - } - - if (fail_count > threshold) { - /* Too many failures: return */ - buf_pool_mutex_exit(); - return(0); - } - - if (bpage && buf_page_is_accessed(bpage)) { - pred_bpage = bpage; - } - } - - /* If we got this far, we know that enough pages in the area have - been accessed in the right order: linear read-ahead can be sensible */ - - bpage = buf_page_hash_get(space, offset); - - if (bpage == NULL) { - buf_pool_mutex_exit(); - - return(0); - } - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - frame = bpage->zip.data; - break; - case BUF_BLOCK_FILE_PAGE: - frame = ((buf_block_t*) bpage)->frame; - break; - default: - ut_error; - break; - } - - /* Read the natural predecessor and successor page addresses from - the page; NOTE that because the calling thread may have an x-latch - on the page, we do not acquire an s-latch on the page, this is to - prevent deadlocks. Even if we read values which are nonsense, the - algorithm will work. */ - - pred_offset = fil_page_get_prev(frame); - succ_offset = fil_page_get_next(frame); - - buf_pool_mutex_exit(); - - if ((offset == low) && (succ_offset == offset + 1)) { - - /* This is ok, we can continue */ - new_offset = pred_offset; - - } else if ((offset == high - 1) && (pred_offset == offset - 1)) { - - /* This is ok, we can continue */ - new_offset = succ_offset; - } else { - /* Successor or predecessor not in the right order */ - - return(0); - } - - low = (new_offset / buf_read_ahead_linear_area) - * buf_read_ahead_linear_area; - high = (new_offset / buf_read_ahead_linear_area + 1) - * buf_read_ahead_linear_area; - - if ((new_offset != low) && (new_offset != high - 1)) { - /* This is not a border page of the area: return */ - - return(0); - } - - if (high > fil_space_get_size(space)) { - /* The area is not whole, return */ - - return(0); - } - - /* If we got this far, read-ahead can be sensible: do it */ - - if (ibuf_inside()) { - ibuf_mode = BUF_READ_IBUF_PAGES_ONLY; - } else { - ibuf_mode = BUF_READ_ANY_PAGE; - } - - count = 0; - - /* Since Windows XP seems to schedule the i/o handler thread - very eagerly, and consequently it does not wait for the - full read batch to be posted, we use special heuristics here */ - - os_aio_simulated_put_read_threads_to_sleep(); - - for (i = low; i < high; i++) { - /* It is only sensible to do read-ahead in the non-sync - aio mode: hence FALSE as the first parameter */ - - if (!ibuf_bitmap_page(zip_size, i)) { - count += buf_read_page_low( - &err, FALSE, - ibuf_mode | OS_AIO_SIMULATED_WAKE_LATER, - space, zip_size, FALSE, tablespace_version, i); - if (err == DB_TABLESPACE_DELETED) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: in" - " linear readahead trying to access\n" - "InnoDB: tablespace %lu page %lu,\n" - "InnoDB: but the tablespace does not" - " exist or is just being dropped.\n", - (ulong) space, (ulong) i); - } - } - } - - /* In simulated aio we wake the aio handler threads only after - queuing all aio requests, in native aio the following call does - nothing: */ - - os_aio_simulated_wake_handler_threads(); - - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); - -#ifdef UNIV_DEBUG - if (buf_debug_prints && (count > 0)) { - fprintf(stderr, - "LINEAR read-ahead space %lu offset %lu pages %lu\n", - (ulong) space, (ulong) offset, (ulong) count); - } -#endif /* UNIV_DEBUG */ - - /* Read ahead is considered one I/O operation for the purpose of - LRU policy decision. */ - buf_LRU_stat_inc_io(); - - buf_pool->stat.n_ra_pages_read += count; - return(count); -} - -/********************************************************************//** -Issues read requests for pages which the ibuf module wants to read in, in -order to contract the insert buffer tree. Technically, this function is like -a read-ahead function. */ -UNIV_INTERN -void -buf_read_ibuf_merge_pages( -/*======================*/ - ibool sync, /*!< in: TRUE if the caller - wants this function to wait - for the highest address page - to get read in, before this - function returns */ - const ulint* space_ids, /*!< in: array of space ids */ - const ib_int64_t* space_versions,/*!< in: the spaces must have - this version number - (timestamp), otherwise we - discard the read; we use this - to cancel reads if DISCARD + - IMPORT may have changed the - tablespace size */ - const ulint* page_nos, /*!< in: array of page numbers - to read, with the highest page - number the last in the - array */ - ulint n_stored) /*!< in: number of elements - in the arrays */ -{ - ulint i; - - ut_ad(!ibuf_inside()); -#ifdef UNIV_IBUF_DEBUG - ut_a(n_stored < UNIV_PAGE_SIZE); -#endif - while (buf_pool->n_pend_reads - > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { - os_thread_sleep(500000); - } - - for (i = 0; i < n_stored; i++) { - ulint zip_size = fil_space_get_zip_size(space_ids[i]); - ulint err; - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - - goto tablespace_deleted; - } - - buf_read_page_low(&err, sync && (i + 1 == n_stored), - BUF_READ_ANY_PAGE, space_ids[i], - zip_size, TRUE, space_versions[i], - page_nos[i]); - - if (UNIV_UNLIKELY(err == DB_TABLESPACE_DELETED)) { -tablespace_deleted: - /* We have deleted or are deleting the single-table - tablespace: remove the entries for that page */ - - ibuf_merge_or_delete_for_page(NULL, space_ids[i], - page_nos[i], - zip_size, FALSE); - } - } - - os_aio_simulated_wake_handler_threads(); - - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, - "Ibuf merge read-ahead space %lu pages %lu\n", - (ulong) space_ids[0], (ulong) n_stored); - } -#endif /* UNIV_DEBUG */ -} - -/********************************************************************//** -Issues read requests for pages which recovery wants to read in. */ -UNIV_INTERN -void -buf_read_recv_pages( -/*================*/ - ibool sync, /*!< in: TRUE if the caller - wants this function to wait - for the highest address page - to get read in, before this - function returns */ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in - bytes, or 0 */ - const ulint* page_nos, /*!< in: array of page numbers - to read, with the highest page - number the last in the - array */ - ulint n_stored) /*!< in: number of page numbers - in the array */ -{ - ib_int64_t tablespace_version; - ulint count; - ulint err; - ulint i; - - zip_size = fil_space_get_zip_size(space); - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - /* It is a single table tablespace and the .ibd file is - missing: do nothing */ - - return; - } - - tablespace_version = fil_space_get_version(space); - - for (i = 0; i < n_stored; i++) { - - count = 0; - - os_aio_print_debug = FALSE; - - while (buf_pool->n_pend_reads >= recv_n_pool_free_frames / 2) { - - os_aio_simulated_wake_handler_threads(); - os_thread_sleep(10000); - - count++; - - if (count > 1000) { - fprintf(stderr, - "InnoDB: Error: InnoDB has waited for" - " 10 seconds for pending\n" - "InnoDB: reads to the buffer pool to" - " be finished.\n" - "InnoDB: Number of pending reads %lu," - " pending pread calls %lu\n", - (ulong) buf_pool->n_pend_reads, - (ulong)os_file_n_pending_preads); - - os_aio_print_debug = TRUE; - } - } - - os_aio_print_debug = FALSE; - - if ((i + 1 == n_stored) && sync) { - buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space, - zip_size, TRUE, tablespace_version, - page_nos[i]); - } else { - buf_read_page_low(&err, FALSE, BUF_READ_ANY_PAGE - | OS_AIO_SIMULATED_WAKE_LATER, - space, zip_size, TRUE, - tablespace_version, page_nos[i]); - } - } - - os_aio_simulated_wake_handler_threads(); - - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); - -#ifdef UNIV_DEBUG - if (buf_debug_prints) { - fprintf(stderr, - "Recovery applies read-ahead pages %lu\n", - (ulong) n_stored); - } -#endif /* UNIV_DEBUG */ -} diff --git a/perfschema/compile-innodb b/perfschema/compile-innodb deleted file mode 100755 index 82601f03ae9..00000000000 --- a/perfschema/compile-innodb +++ /dev/null @@ -1,24 +0,0 @@ -#! /bin/sh -# -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# - -path=`dirname $0` -. "$path/SETUP.sh" - -extra_flags="$pentium_cflags $fast_cflags -g" -extra_configs="$pentium_configs $static_link --with-plugins=innobase" - -. "$path/FINISH.sh" diff --git a/perfschema/compile-innodb-debug b/perfschema/compile-innodb-debug deleted file mode 100755 index efb4abf88d5..00000000000 --- a/perfschema/compile-innodb-debug +++ /dev/null @@ -1,24 +0,0 @@ -#! /bin/sh -# -# Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# - -path=`dirname $0` -. "$path/SETUP.sh" $@ --with-debug=full - -extra_flags="$pentium_cflags $debug_cflags" -extra_configs="$pentium_configs $debug_configs --with-plugins=innobase" - -. "$path/FINISH.sh" diff --git a/perfschema/data/data0data.c b/perfschema/data/data0data.c deleted file mode 100644 index e3c1f1b4f23..00000000000 --- a/perfschema/data/data0data.c +++ /dev/null @@ -1,764 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file data/data0data.c -SQL data field and tuple - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#include "data0data.h" - -#ifdef UNIV_NONINL -#include "data0data.ic" -#endif - -#ifndef UNIV_HOTBACKUP -#include "rem0rec.h" -#include "rem0cmp.h" -#include "page0page.h" -#include "page0zip.h" -#include "dict0dict.h" -#include "btr0cur.h" - -#include -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -/** Dummy variable to catch access to uninitialized fields. In the -debug version, dtuple_create() will make all fields of dtuple_t point -to data_error. */ -UNIV_INTERN byte data_error; - -# ifndef UNIV_DEBUG_VALGRIND -/** this is used to fool the compiler in dtuple_validate */ -UNIV_INTERN ulint data_dummy; -# endif /* !UNIV_DEBUG_VALGRIND */ -#endif /* UNIV_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Tests if dfield data length and content is equal to the given. -@return TRUE if equal */ -UNIV_INTERN -ibool -dfield_data_is_binary_equal( -/*========================*/ - const dfield_t* field, /*!< in: field */ - ulint len, /*!< in: data length or UNIV_SQL_NULL */ - const byte* data) /*!< in: data */ -{ - if (len != dfield_get_len(field)) { - - return(FALSE); - } - - if (len == UNIV_SQL_NULL) { - - return(TRUE); - } - - if (0 != memcmp(dfield_get_data(field), data, len)) { - - return(FALSE); - } - - return(TRUE); -} - -/************************************************************//** -Compare two data tuples, respecting the collation of character fields. -@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, -than tuple2 */ -UNIV_INTERN -int -dtuple_coll_cmp( -/*============*/ - const dtuple_t* tuple1, /*!< in: tuple 1 */ - const dtuple_t* tuple2) /*!< in: tuple 2 */ -{ - ulint n_fields; - ulint i; - - ut_ad(tuple1 && tuple2); - ut_ad(tuple1->magic_n == DATA_TUPLE_MAGIC_N); - ut_ad(tuple2->magic_n == DATA_TUPLE_MAGIC_N); - ut_ad(dtuple_check_typed(tuple1)); - ut_ad(dtuple_check_typed(tuple2)); - - n_fields = dtuple_get_n_fields(tuple1); - - if (n_fields != dtuple_get_n_fields(tuple2)) { - - return(n_fields < dtuple_get_n_fields(tuple2) ? -1 : 1); - } - - for (i = 0; i < n_fields; i++) { - int cmp; - const dfield_t* field1 = dtuple_get_nth_field(tuple1, i); - const dfield_t* field2 = dtuple_get_nth_field(tuple2, i); - - cmp = cmp_dfield_dfield(field1, field2); - - if (cmp) { - return(cmp); - } - } - - return(0); -} - -/*********************************************************************//** -Sets number of fields used in a tuple. Normally this is set in -dtuple_create, but if you want later to set it smaller, you can use this. */ -UNIV_INTERN -void -dtuple_set_n_fields( -/*================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint n_fields) /*!< in: number of fields */ -{ - ut_ad(tuple); - - tuple->n_fields = n_fields; - tuple->n_fields_cmp = n_fields; -} - -/**********************************************************//** -Checks that a data field is typed. -@return TRUE if ok */ -static -ibool -dfield_check_typed_no_assert( -/*=========================*/ - const dfield_t* field) /*!< in: data field */ -{ - if (dfield_get_type(field)->mtype > DATA_MYSQL - || dfield_get_type(field)->mtype < DATA_VARCHAR) { - - fprintf(stderr, - "InnoDB: Error: data field type %lu, len %lu\n", - (ulong) dfield_get_type(field)->mtype, - (ulong) dfield_get_len(field)); - return(FALSE); - } - - return(TRUE); -} - -/**********************************************************//** -Checks that a data tuple is typed. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_check_typed_no_assert( -/*=========================*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - const dfield_t* field; - ulint i; - - if (dtuple_get_n_fields(tuple) > REC_MAX_N_FIELDS) { - fprintf(stderr, - "InnoDB: Error: index entry has %lu fields\n", - (ulong) dtuple_get_n_fields(tuple)); -dump: - fputs("InnoDB: Tuple contents: ", stderr); - dtuple_print(stderr, tuple); - putc('\n', stderr); - - return(FALSE); - } - - for (i = 0; i < dtuple_get_n_fields(tuple); i++) { - - field = dtuple_get_nth_field(tuple, i); - - if (!dfield_check_typed_no_assert(field)) { - goto dump; - } - } - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -/**********************************************************//** -Checks that a data field is typed. Asserts an error if not. -@return TRUE if ok */ -UNIV_INTERN -ibool -dfield_check_typed( -/*===============*/ - const dfield_t* field) /*!< in: data field */ -{ - if (dfield_get_type(field)->mtype > DATA_MYSQL - || dfield_get_type(field)->mtype < DATA_VARCHAR) { - - fprintf(stderr, - "InnoDB: Error: data field type %lu, len %lu\n", - (ulong) dfield_get_type(field)->mtype, - (ulong) dfield_get_len(field)); - - ut_error; - } - - return(TRUE); -} - -/**********************************************************//** -Checks that a data tuple is typed. Asserts an error if not. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_check_typed( -/*===============*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - const dfield_t* field; - ulint i; - - for (i = 0; i < dtuple_get_n_fields(tuple); i++) { - - field = dtuple_get_nth_field(tuple, i); - - ut_a(dfield_check_typed(field)); - } - - return(TRUE); -} - -/**********************************************************//** -Validates the consistency of a tuple which must be complete, i.e, -all fields must have been set. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_validate( -/*============*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - const dfield_t* field; - ulint n_fields; - ulint len; - ulint i; - - ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); - - n_fields = dtuple_get_n_fields(tuple); - - /* We dereference all the data of each field to test - for memory traps */ - - for (i = 0; i < n_fields; i++) { - - field = dtuple_get_nth_field(tuple, i); - len = dfield_get_len(field); - - if (!dfield_is_null(field)) { - - const byte* data = dfield_get_data(field); -#ifndef UNIV_DEBUG_VALGRIND - ulint j; - - for (j = 0; j < len; j++) { - - data_dummy += *data; /* fool the compiler not - to optimize out this - code */ - data++; - } -#endif /* !UNIV_DEBUG_VALGRIND */ - - UNIV_MEM_ASSERT_RW(data, len); - } - } - - ut_a(dtuple_check_typed(tuple)); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Pretty prints a dfield value according to its data type. */ -UNIV_INTERN -void -dfield_print( -/*=========*/ - const dfield_t* dfield) /*!< in: dfield */ -{ - const byte* data; - ulint len; - ulint i; - - len = dfield_get_len(dfield); - data = dfield_get_data(dfield); - - if (dfield_is_null(dfield)) { - fputs("NULL", stderr); - - return; - } - - switch (dtype_get_mtype(dfield_get_type(dfield))) { - case DATA_CHAR: - case DATA_VARCHAR: - for (i = 0; i < len; i++) { - int c = *data++; - putc(isprint(c) ? c : ' ', stderr); - } - - if (dfield_is_ext(dfield)) { - fputs("(external)", stderr); - } - break; - case DATA_INT: - ut_a(len == 4); /* only works for 32-bit integers */ - fprintf(stderr, "%d", (int)mach_read_from_4(data)); - break; - default: - ut_error; - } -} - -/*************************************************************//** -Pretty prints a dfield value according to its data type. Also the hex string -is printed if a string contains non-printable characters. */ -UNIV_INTERN -void -dfield_print_also_hex( -/*==================*/ - const dfield_t* dfield) /*!< in: dfield */ -{ - const byte* data; - ulint len; - ulint prtype; - ulint i; - ibool print_also_hex; - - len = dfield_get_len(dfield); - data = dfield_get_data(dfield); - - if (dfield_is_null(dfield)) { - fputs("NULL", stderr); - - return; - } - - prtype = dtype_get_prtype(dfield_get_type(dfield)); - - switch (dtype_get_mtype(dfield_get_type(dfield))) { - dulint id; - case DATA_INT: - switch (len) { - ulint val; - case 1: - val = mach_read_from_1(data); - - if (!(prtype & DATA_UNSIGNED)) { - val &= ~0x80; - fprintf(stderr, "%ld", (long) val); - } else { - fprintf(stderr, "%lu", (ulong) val); - } - break; - - case 2: - val = mach_read_from_2(data); - - if (!(prtype & DATA_UNSIGNED)) { - val &= ~0x8000; - fprintf(stderr, "%ld", (long) val); - } else { - fprintf(stderr, "%lu", (ulong) val); - } - break; - - case 3: - val = mach_read_from_3(data); - - if (!(prtype & DATA_UNSIGNED)) { - val &= ~0x800000; - fprintf(stderr, "%ld", (long) val); - } else { - fprintf(stderr, "%lu", (ulong) val); - } - break; - - case 4: - val = mach_read_from_4(data); - - if (!(prtype & DATA_UNSIGNED)) { - val &= ~0x80000000; - fprintf(stderr, "%ld", (long) val); - } else { - fprintf(stderr, "%lu", (ulong) val); - } - break; - - case 6: - id = mach_read_from_6(data); - fprintf(stderr, "{%lu %lu}", - ut_dulint_get_high(id), - ut_dulint_get_low(id)); - break; - - case 7: - id = mach_read_from_7(data); - fprintf(stderr, "{%lu %lu}", - ut_dulint_get_high(id), - ut_dulint_get_low(id)); - break; - case 8: - id = mach_read_from_8(data); - fprintf(stderr, "{%lu %lu}", - ut_dulint_get_high(id), - ut_dulint_get_low(id)); - break; - default: - goto print_hex; - } - break; - - case DATA_SYS: - switch (prtype & DATA_SYS_PRTYPE_MASK) { - case DATA_TRX_ID: - id = mach_read_from_6(data); - - fprintf(stderr, "trx_id " TRX_ID_FMT, - TRX_ID_PREP_PRINTF(id)); - break; - - case DATA_ROLL_PTR: - id = mach_read_from_7(data); - - fprintf(stderr, "roll_ptr {%lu %lu}", - ut_dulint_get_high(id), ut_dulint_get_low(id)); - break; - - case DATA_ROW_ID: - id = mach_read_from_6(data); - - fprintf(stderr, "row_id {%lu %lu}", - ut_dulint_get_high(id), ut_dulint_get_low(id)); - break; - - default: - id = mach_dulint_read_compressed(data); - - fprintf(stderr, "mix_id {%lu %lu}", - ut_dulint_get_high(id), ut_dulint_get_low(id)); - } - break; - - case DATA_CHAR: - case DATA_VARCHAR: - print_also_hex = FALSE; - - for (i = 0; i < len; i++) { - int c = *data++; - - if (!isprint(c)) { - print_also_hex = TRUE; - - fprintf(stderr, "\\x%02x", (unsigned char) c); - } else { - putc(c, stderr); - } - } - - if (dfield_is_ext(dfield)) { - fputs("(external)", stderr); - } - - if (!print_also_hex) { - break; - } - - data = dfield_get_data(dfield); - /* fall through */ - - case DATA_BINARY: - default: -print_hex: - fputs(" Hex: ",stderr); - - for (i = 0; i < len; i++) { - fprintf(stderr, "%02lx", (ulint) *data++); - } - - if (dfield_is_ext(dfield)) { - fputs("(external)", stderr); - } - } -} - -/*************************************************************//** -Print a dfield value using ut_print_buf. */ -static -void -dfield_print_raw( -/*=============*/ - FILE* f, /*!< in: output stream */ - const dfield_t* dfield) /*!< in: dfield */ -{ - ulint len = dfield_get_len(dfield); - if (!dfield_is_null(dfield)) { - ulint print_len = ut_min(len, 1000); - ut_print_buf(f, dfield_get_data(dfield), print_len); - if (len != print_len) { - fprintf(f, "(total %lu bytes%s)", - (ulong) len, - dfield_is_ext(dfield) ? ", external" : ""); - } - } else { - fputs(" SQL NULL", f); - } -} - -/**********************************************************//** -The following function prints the contents of a tuple. */ -UNIV_INTERN -void -dtuple_print( -/*=========*/ - FILE* f, /*!< in: output stream */ - const dtuple_t* tuple) /*!< in: tuple */ -{ - ulint n_fields; - ulint i; - - n_fields = dtuple_get_n_fields(tuple); - - fprintf(f, "DATA TUPLE: %lu fields;\n", (ulong) n_fields); - - for (i = 0; i < n_fields; i++) { - fprintf(f, " %lu:", (ulong) i); - - dfield_print_raw(f, dtuple_get_nth_field(tuple, i)); - - putc(';', f); - putc('\n', f); - } - - ut_ad(dtuple_validate(tuple)); -} - -/**************************************************************//** -Moves parts of long fields in entry to the big record vector so that -the size of tuple drops below the maximum record size allowed in the -database. Moves data only from those fields which are not necessary -to determine uniquely the insertion place of the tuple in the index. -@return own: created big record vector, NULL if we are not able to -shorten the entry enough, i.e., if there are too many fixed-length or -short fields in entry or the index is clustered */ -UNIV_INTERN -big_rec_t* -dtuple_convert_big_rec( -/*===================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in/out: index entry */ - ulint* n_ext) /*!< in/out: number of - externally stored columns */ -{ - mem_heap_t* heap; - big_rec_t* vector; - dfield_t* dfield; - dict_field_t* ifield; - ulint size; - ulint n_fields; - ulint local_len; - ulint local_prefix_len; - - if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { - return(NULL); - } - - if (dict_table_get_format(index->table) < DICT_TF_FORMAT_ZIP) { - /* up to MySQL 5.1: store a 768-byte prefix locally */ - local_len = BTR_EXTERN_FIELD_REF_SIZE + DICT_MAX_INDEX_COL_LEN; - } else { - /* new-format table: do not store any BLOB prefix locally */ - local_len = BTR_EXTERN_FIELD_REF_SIZE; - } - - ut_a(dtuple_check_typed_no_assert(entry)); - - size = rec_get_converted_size(index, entry, *n_ext); - - if (UNIV_UNLIKELY(size > 1000000000)) { - fprintf(stderr, - "InnoDB: Warning: tuple size very big: %lu\n", - (ulong) size); - fputs("InnoDB: Tuple contents: ", stderr); - dtuple_print(stderr, entry); - putc('\n', stderr); - } - - heap = mem_heap_create(size + dtuple_get_n_fields(entry) - * sizeof(big_rec_field_t) + 1000); - - vector = mem_heap_alloc(heap, sizeof(big_rec_t)); - - vector->heap = heap; - vector->fields = mem_heap_alloc(heap, dtuple_get_n_fields(entry) - * sizeof(big_rec_field_t)); - - /* Decide which fields to shorten: the algorithm is to look for - a variable-length field that yields the biggest savings when - stored externally */ - - n_fields = 0; - - while (page_zip_rec_needs_ext(rec_get_converted_size(index, entry, - *n_ext), - dict_table_is_comp(index->table), - dict_index_get_n_fields(index), - dict_table_zip_size(index->table))) { - ulint i; - ulint longest = 0; - ulint longest_i = ULINT_MAX; - byte* data; - big_rec_field_t* b; - - for (i = dict_index_get_n_unique_in_tree(index); - i < dtuple_get_n_fields(entry); i++) { - ulint savings; - - dfield = dtuple_get_nth_field(entry, i); - ifield = dict_index_get_nth_field(index, i); - - /* Skip fixed-length, NULL, externally stored, - or short columns */ - - if (ifield->fixed_len - || dfield_is_null(dfield) - || dfield_is_ext(dfield) - || dfield_get_len(dfield) <= local_len - || dfield_get_len(dfield) - <= BTR_EXTERN_FIELD_REF_SIZE * 2) { - goto skip_field; - } - - savings = dfield_get_len(dfield) - local_len; - - /* Check that there would be savings */ - if (longest >= savings) { - goto skip_field; - } - - longest_i = i; - longest = savings; - -skip_field: - continue; - } - - if (!longest) { - /* Cannot shorten more */ - - mem_heap_free(heap); - - return(NULL); - } - - /* Move data from field longest_i to big rec vector. - - We store the first bytes locally to the record. Then - we can calculate all ordering fields in all indexes - from locally stored data. */ - - dfield = dtuple_get_nth_field(entry, longest_i); - ifield = dict_index_get_nth_field(index, longest_i); - local_prefix_len = local_len - BTR_EXTERN_FIELD_REF_SIZE; - - b = &vector->fields[n_fields]; - b->field_no = longest_i; - b->len = dfield_get_len(dfield) - local_prefix_len; - b->data = (char*) dfield_get_data(dfield) + local_prefix_len; - - /* Allocate the locally stored part of the column. */ - data = mem_heap_alloc(heap, local_len); - - /* Copy the local prefix. */ - memcpy(data, dfield_get_data(dfield), local_prefix_len); - /* Clear the extern field reference (BLOB pointer). */ - memset(data + local_prefix_len, 0, BTR_EXTERN_FIELD_REF_SIZE); -#if 0 - /* The following would fail the Valgrind checks in - page_cur_insert_rec_low() and page_cur_insert_rec_zip(). - The BLOB pointers in the record will be initialized after - the record and the BLOBs have been written. */ - UNIV_MEM_ALLOC(data + local_prefix_len, - BTR_EXTERN_FIELD_REF_SIZE); -#endif - - dfield_set_data(dfield, data, local_len); - dfield_set_ext(dfield); - - n_fields++; - (*n_ext)++; - ut_ad(n_fields < dtuple_get_n_fields(entry)); - } - - vector->n_fields = n_fields; - return(vector); -} - -/**************************************************************//** -Puts back to entry the data stored in vector. Note that to ensure the -fields in entry can accommodate the data, vector must have been created -from entry with dtuple_convert_big_rec. */ -UNIV_INTERN -void -dtuple_convert_back_big_rec( -/*========================*/ - dict_index_t* index __attribute__((unused)), /*!< in: index */ - dtuple_t* entry, /*!< in: entry whose data was put to vector */ - big_rec_t* vector) /*!< in, own: big rec vector; it is - freed in this function */ -{ - big_rec_field_t* b = vector->fields; - const big_rec_field_t* const end = b + vector->n_fields; - - for (; b < end; b++) { - dfield_t* dfield; - ulint local_len; - - dfield = dtuple_get_nth_field(entry, b->field_no); - local_len = dfield_get_len(dfield); - - ut_ad(dfield_is_ext(dfield)); - ut_ad(local_len >= BTR_EXTERN_FIELD_REF_SIZE); - - local_len -= BTR_EXTERN_FIELD_REF_SIZE; - - ut_ad(local_len <= DICT_MAX_INDEX_COL_LEN); - - dfield_set_data(dfield, - (char*) b->data - local_len, - b->len + local_len); - } - - mem_heap_free(vector->heap); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/data/data0type.c b/perfschema/data/data0type.c deleted file mode 100644 index e834fd2ec55..00000000000 --- a/perfschema/data/data0type.c +++ /dev/null @@ -1,297 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file data/data0type.c -Data types - -Created 1/16/1996 Heikki Tuuri -*******************************************************/ - -#include "data0type.h" - -#ifdef UNIV_NONINL -#include "data0type.ic" -#endif - -#ifndef UNIV_HOTBACKUP -# include "ha_prototypes.h" - -/* At the database startup we store the default-charset collation number of -this MySQL installation to this global variable. If we have < 4.1.2 format -column definitions, or records in the insert buffer, we use this -charset-collation code for them. */ - -UNIV_INTERN ulint data_mysql_default_charset_coll; - -/*********************************************************************//** -Determine how many bytes the first n characters of the given string occupy. -If the string is shorter than n characters, returns the number of bytes -the characters in the string occupy. -@return length of the prefix, in bytes */ -UNIV_INTERN -ulint -dtype_get_at_most_n_mbchars( -/*========================*/ - ulint prtype, /*!< in: precise type */ - ulint mbminlen, /*!< in: minimum length of a - multi-byte character */ - ulint mbmaxlen, /*!< in: maximum length of a - multi-byte character */ - ulint prefix_len, /*!< in: length of the requested - prefix, in characters, multiplied by - dtype_get_mbmaxlen(dtype) */ - ulint data_len, /*!< in: length of str (in bytes) */ - const char* str) /*!< in: the string whose prefix - length is being determined */ -{ - ut_a(data_len != UNIV_SQL_NULL); - ut_ad(!mbmaxlen || !(prefix_len % mbmaxlen)); - - if (mbminlen != mbmaxlen) { - ut_a(!(prefix_len % mbmaxlen)); - return(innobase_get_at_most_n_mbchars( - dtype_get_charset_coll(prtype), - prefix_len, data_len, str)); - } - - if (prefix_len < data_len) { - - return(prefix_len); - - } - - return(data_len); -} -#endif /* UNIV_HOTBACKUP */ - -/*********************************************************************//** -Checks if a data main type is a string type. Also a BLOB is considered a -string type. -@return TRUE if string type */ -UNIV_INTERN -ibool -dtype_is_string_type( -/*=================*/ - ulint mtype) /*!< in: InnoDB main data type code: DATA_CHAR, ... */ -{ - if (mtype <= DATA_BLOB - || mtype == DATA_MYSQL - || mtype == DATA_VARMYSQL) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Checks if a type is a binary string type. Note that for tables created with -< 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For -those DATA_BLOB columns this function currently returns FALSE. -@return TRUE if binary string type */ -UNIV_INTERN -ibool -dtype_is_binary_string_type( -/*========================*/ - ulint mtype, /*!< in: main data type */ - ulint prtype) /*!< in: precise type */ -{ - if ((mtype == DATA_FIXBINARY) - || (mtype == DATA_BINARY) - || (mtype == DATA_BLOB && (prtype & DATA_BINARY_TYPE))) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Checks if a type is a non-binary string type. That is, dtype_is_string_type is -TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created -with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. -For those DATA_BLOB columns this function currently returns TRUE. -@return TRUE if non-binary string type */ -UNIV_INTERN -ibool -dtype_is_non_binary_string_type( -/*============================*/ - ulint mtype, /*!< in: main data type */ - ulint prtype) /*!< in: precise type */ -{ - if (dtype_is_string_type(mtype) == TRUE - && dtype_is_binary_string_type(mtype, prtype) == FALSE) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Forms a precise type from the < 4.1.2 format precise type plus the -charset-collation code. -@return precise type, including the charset-collation code */ -UNIV_INTERN -ulint -dtype_form_prtype( -/*==============*/ - ulint old_prtype, /*!< in: the MySQL type code and the flags - DATA_BINARY_TYPE etc. */ - ulint charset_coll) /*!< in: MySQL charset-collation code */ -{ - ut_a(old_prtype < 256 * 256); - ut_a(charset_coll < 256); - - return(old_prtype + (charset_coll << 16)); -} - -/*********************************************************************//** -Validates a data type structure. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtype_validate( -/*===========*/ - const dtype_t* type) /*!< in: type struct to validate */ -{ - ut_a(type); - ut_a(type->mtype >= DATA_VARCHAR); - ut_a(type->mtype <= DATA_MYSQL); - - if (type->mtype == DATA_SYS) { - ut_a((type->prtype & DATA_MYSQL_TYPE_MASK) < DATA_N_SYS_COLS); - } - -#ifndef UNIV_HOTBACKUP - ut_a(type->mbminlen <= type->mbmaxlen); -#endif /* !UNIV_HOTBACKUP */ - - return(TRUE); -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Prints a data type structure. */ -UNIV_INTERN -void -dtype_print( -/*========*/ - const dtype_t* type) /*!< in: type */ -{ - ulint mtype; - ulint prtype; - ulint len; - - ut_a(type); - - mtype = type->mtype; - prtype = type->prtype; - - switch (mtype) { - case DATA_VARCHAR: - fputs("DATA_VARCHAR", stderr); - break; - - case DATA_CHAR: - fputs("DATA_CHAR", stderr); - break; - - case DATA_BINARY: - fputs("DATA_BINARY", stderr); - break; - - case DATA_FIXBINARY: - fputs("DATA_FIXBINARY", stderr); - break; - - case DATA_BLOB: - fputs("DATA_BLOB", stderr); - break; - - case DATA_INT: - fputs("DATA_INT", stderr); - break; - - case DATA_MYSQL: - fputs("DATA_MYSQL", stderr); - break; - - case DATA_SYS: - fputs("DATA_SYS", stderr); - break; - - case DATA_FLOAT: - fputs("DATA_FLOAT", stderr); - break; - - case DATA_DOUBLE: - fputs("DATA_DOUBLE", stderr); - break; - - case DATA_DECIMAL: - fputs("DATA_DECIMAL", stderr); - break; - - case DATA_VARMYSQL: - fputs("DATA_VARMYSQL", stderr); - break; - - default: - fprintf(stderr, "type %lu", (ulong) mtype); - break; - } - - len = type->len; - - if ((type->mtype == DATA_SYS) - || (type->mtype == DATA_VARCHAR) - || (type->mtype == DATA_CHAR)) { - putc(' ', stderr); - if (prtype == DATA_ROW_ID) { - fputs("DATA_ROW_ID", stderr); - len = DATA_ROW_ID_LEN; - } else if (prtype == DATA_ROLL_PTR) { - fputs("DATA_ROLL_PTR", stderr); - len = DATA_ROLL_PTR_LEN; - } else if (prtype == DATA_TRX_ID) { - fputs("DATA_TRX_ID", stderr); - len = DATA_TRX_ID_LEN; - } else if (prtype == DATA_ENGLISH) { - fputs("DATA_ENGLISH", stderr); - } else { - fprintf(stderr, "prtype %lu", (ulong) prtype); - } - } else { - if (prtype & DATA_UNSIGNED) { - fputs(" DATA_UNSIGNED", stderr); - } - - if (prtype & DATA_BINARY_TYPE) { - fputs(" DATA_BINARY_TYPE", stderr); - } - - if (prtype & DATA_NOT_NULL) { - fputs(" DATA_NOT_NULL", stderr); - } - } - - fprintf(stderr, " len %lu", (ulong) len); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/dict/dict0boot.c b/perfschema/dict/dict0boot.c deleted file mode 100644 index 70b5bfa99f7..00000000000 --- a/perfschema/dict/dict0boot.c +++ /dev/null @@ -1,468 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file dict/dict0boot.c -Data dictionary creation and booting - -Created 4/18/1996 Heikki Tuuri -*******************************************************/ - -#include "dict0boot.h" - -#ifdef UNIV_NONINL -#include "dict0boot.ic" -#endif - -#include "dict0crea.h" -#include "btr0btr.h" -#include "dict0load.h" -#include "dict0load.h" -#include "trx0trx.h" -#include "srv0srv.h" -#include "ibuf0ibuf.h" -#include "buf0flu.h" -#include "log0recv.h" -#include "os0file.h" - -/**********************************************************************//** -Gets a pointer to the dictionary header and x-latches its page. -@return pointer to the dictionary header, page x-latched */ -UNIV_INTERN -dict_hdr_t* -dict_hdr_get( -/*=========*/ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - dict_hdr_t* header; - - block = buf_page_get(DICT_HDR_SPACE, 0, DICT_HDR_PAGE_NO, - RW_X_LATCH, mtr); - header = DICT_HDR + buf_block_get_frame(block); - - buf_block_dbg_add_level(block, SYNC_DICT_HEADER); - - return(header); -} - -/**********************************************************************//** -Returns a new table, index, or tree id. -@return the new id */ -UNIV_INTERN -dulint -dict_hdr_get_new_id( -/*================*/ - ulint type) /*!< in: DICT_HDR_ROW_ID, ... */ -{ - dict_hdr_t* dict_hdr; - dulint id; - mtr_t mtr; - - ut_ad((type == DICT_HDR_TABLE_ID) || (type == DICT_HDR_INDEX_ID)); - - mtr_start(&mtr); - - dict_hdr = dict_hdr_get(&mtr); - - id = mtr_read_dulint(dict_hdr + type, &mtr); - id = ut_dulint_add(id, 1); - - mlog_write_dulint(dict_hdr + type, id, &mtr); - - mtr_commit(&mtr); - - return(id); -} - -/**********************************************************************//** -Writes the current value of the row id counter to the dictionary header file -page. */ -UNIV_INTERN -void -dict_hdr_flush_row_id(void) -/*=======================*/ -{ - dict_hdr_t* dict_hdr; - dulint id; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - id = dict_sys->row_id; - - mtr_start(&mtr); - - dict_hdr = dict_hdr_get(&mtr); - - mlog_write_dulint(dict_hdr + DICT_HDR_ROW_ID, id, &mtr); - - mtr_commit(&mtr); -} - -/*****************************************************************//** -Creates the file page for the dictionary header. This function is -called only at the database creation. -@return TRUE if succeed */ -static -ibool -dict_hdr_create( -/*============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - dict_hdr_t* dict_header; - ulint root_page_no; - - ut_ad(mtr); - - /* Create the dictionary header file block in a new, allocated file - segment in the system tablespace */ - block = fseg_create(DICT_HDR_SPACE, 0, - DICT_HDR + DICT_HDR_FSEG_HEADER, mtr); - - ut_a(DICT_HDR_PAGE_NO == buf_block_get_page_no(block)); - - dict_header = dict_hdr_get(mtr); - - /* Start counting row, table, index, and tree ids from - DICT_HDR_FIRST_ID */ - mlog_write_dulint(dict_header + DICT_HDR_ROW_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - mlog_write_dulint(dict_header + DICT_HDR_TABLE_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - mlog_write_dulint(dict_header + DICT_HDR_INDEX_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - /* Obsolete, but we must initialize it to 0 anyway. */ - mlog_write_dulint(dict_header + DICT_HDR_MIX_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - /* Create the B-tree roots for the clustered indexes of the basic - system tables */ - - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, 0, DICT_TABLES_ID, - dict_ind_redundant, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_TABLES, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_UNIQUE, DICT_HDR_SPACE, 0, - DICT_TABLE_IDS_ID, - dict_ind_redundant, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_TABLE_IDS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, 0, DICT_COLUMNS_ID, - dict_ind_redundant, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_COLUMNS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, 0, DICT_INDEXES_ID, - dict_ind_redundant, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_INDEXES, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, 0, DICT_FIELDS_ID, - dict_ind_redundant, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_FIELDS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - - return(TRUE); -} - -/*****************************************************************//** -Initializes the data dictionary memory structures when the database is -started. This function is also called when the data dictionary is created. */ -UNIV_INTERN -void -dict_boot(void) -/*===========*/ -{ - dict_table_t* table; - dict_index_t* index; - dict_hdr_t* dict_hdr; - mem_heap_t* heap; - mtr_t mtr; - ulint error; - - mtr_start(&mtr); - - /* Create the hash tables etc. */ - dict_init(); - - heap = mem_heap_create(450); - - mutex_enter(&(dict_sys->mutex)); - - /* Get the dictionary header */ - dict_hdr = dict_hdr_get(&mtr); - - /* Because we only write new row ids to disk-based data structure - (dictionary header) when it is divisible by - DICT_HDR_ROW_ID_WRITE_MARGIN, in recovery we will not recover - the latest value of the row id counter. Therefore we advance - the counter at the database startup to avoid overlapping values. - Note that when a user after database startup first time asks for - a new row id, then because the counter is now divisible by - ..._MARGIN, it will immediately be updated to the disk-based - header. */ - - dict_sys->row_id = ut_dulint_add( - ut_dulint_align_up(mtr_read_dulint(dict_hdr + DICT_HDR_ROW_ID, - &mtr), - DICT_HDR_ROW_ID_WRITE_MARGIN), - DICT_HDR_ROW_ID_WRITE_MARGIN); - - /* Insert into the dictionary cache the descriptions of the basic - system tables */ - /*-------------------------*/ - table = dict_mem_table_create("SYS_TABLES", DICT_HDR_SPACE, 8, 0); - - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); - /* ROW_FORMAT = (N_COLS >> 31) ? COMPACT : REDUNDANT */ - dict_mem_table_add_col(table, heap, "N_COLS", DATA_INT, 0, 4); - /* TYPE is either DICT_TABLE_ORDINARY, or (TYPE & DICT_TF_COMPACT) - and (TYPE & DICT_TF_FORMAT_MASK) are nonzero and TYPE = table->flags */ - dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "MIX_ID", DATA_BINARY, 0, 0); - /* MIX_LEN may contain additional table flags when - ROW_FORMAT!=REDUNDANT. Currently, these flags include - DICT_TF2_TEMPORARY. */ - dict_mem_table_add_col(table, heap, "MIX_LEN", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "CLUSTER_NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); - - table->id = DICT_TABLES_ID; - - dict_table_add_to_cache(table, heap); - dict_sys->sys_tables = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_TABLES", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 1); - - dict_mem_index_add_field(index, "NAME", 0); - - index->id = DICT_TABLES_ID; - - error = dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr - + DICT_HDR_TABLES, - MLOG_4BYTES, &mtr), - FALSE); - ut_a(error == DB_SUCCESS); - - /*-------------------------*/ - index = dict_mem_index_create("SYS_TABLES", "ID_IND", - DICT_HDR_SPACE, DICT_UNIQUE, 1); - dict_mem_index_add_field(index, "ID", 0); - - index->id = DICT_TABLE_IDS_ID; - error = dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr - + DICT_HDR_TABLE_IDS, - MLOG_4BYTES, &mtr), - FALSE); - ut_a(error == DB_SUCCESS); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_COLUMNS", DICT_HDR_SPACE, 7, 0); - - dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "MTYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PRTYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "LEN", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PREC", DATA_INT, 0, 4); - - table->id = DICT_COLUMNS_ID; - - dict_table_add_to_cache(table, heap); - dict_sys->sys_columns = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_COLUMNS", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "TABLE_ID", 0); - dict_mem_index_add_field(index, "POS", 0); - - index->id = DICT_COLUMNS_ID; - error = dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr - + DICT_HDR_COLUMNS, - MLOG_4BYTES, &mtr), - FALSE); - ut_a(error == DB_SUCCESS); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_INDEXES", DICT_HDR_SPACE, 7, 0); - - dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "N_FIELDS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PAGE_NO", DATA_INT, 0, 4); - - /* The '+ 2' below comes from the fields DB_TRX_ID, DB_ROLL_PTR */ -#if DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2 -#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2" -#endif -#if DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2 -#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2" -#endif -#if DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2 -#error "DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2" -#endif -#if DICT_SYS_INDEXES_NAME_FIELD != 1 + 2 -#error "DICT_SYS_INDEXES_NAME_FIELD != 1 + 2" -#endif - - table->id = DICT_INDEXES_ID; - dict_table_add_to_cache(table, heap); - dict_sys->sys_indexes = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_INDEXES", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "TABLE_ID", 0); - dict_mem_index_add_field(index, "ID", 0); - - index->id = DICT_INDEXES_ID; - error = dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr - + DICT_HDR_INDEXES, - MLOG_4BYTES, &mtr), - FALSE); - ut_a(error == DB_SUCCESS); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_FIELDS", DICT_HDR_SPACE, 3, 0); - - dict_mem_table_add_col(table, heap, "INDEX_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "COL_NAME", DATA_BINARY, 0, 0); - - table->id = DICT_FIELDS_ID; - dict_table_add_to_cache(table, heap); - dict_sys->sys_fields = table; - mem_heap_free(heap); - - index = dict_mem_index_create("SYS_FIELDS", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "INDEX_ID", 0); - dict_mem_index_add_field(index, "POS", 0); - - index->id = DICT_FIELDS_ID; - error = dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr - + DICT_HDR_FIELDS, - MLOG_4BYTES, &mtr), - FALSE); - ut_a(error == DB_SUCCESS); - - mtr_commit(&mtr); - /*-------------------------*/ - - /* Initialize the insert buffer table and index for each tablespace */ - - ibuf_init_at_db_start(); - - /* Load definitions of other indexes on system tables */ - - dict_load_sys_table(dict_sys->sys_tables); - dict_load_sys_table(dict_sys->sys_columns); - dict_load_sys_table(dict_sys->sys_indexes); - dict_load_sys_table(dict_sys->sys_fields); - - mutex_exit(&(dict_sys->mutex)); -} - -/*****************************************************************//** -Inserts the basic system table data into themselves in the database -creation. */ -static -void -dict_insert_initial_data(void) -/*==========================*/ -{ - /* Does nothing yet */ -} - -/*****************************************************************//** -Creates and initializes the data dictionary at the database creation. */ -UNIV_INTERN -void -dict_create(void) -/*=============*/ -{ - mtr_t mtr; - - mtr_start(&mtr); - - dict_hdr_create(&mtr); - - mtr_commit(&mtr); - - dict_boot(); - - dict_insert_initial_data(); -} diff --git a/perfschema/dict/dict0crea.c b/perfschema/dict/dict0crea.c deleted file mode 100644 index 4ba7cd8a48c..00000000000 --- a/perfschema/dict/dict0crea.c +++ /dev/null @@ -1,1512 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file dict/dict0crea.c -Database object creation - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - -#include "dict0crea.h" - -#ifdef UNIV_NONINL -#include "dict0crea.ic" -#endif - -#include "btr0pcur.h" -#include "btr0btr.h" -#include "page0page.h" -#include "mach0data.h" -#include "dict0boot.h" -#include "dict0dict.h" -#include "que0que.h" -#include "row0ins.h" -#include "row0mysql.h" -#include "pars0pars.h" -#include "trx0roll.h" -#include "usr0sess.h" -#include "ut0vec.h" - -/*****************************************************************//** -Based on a table object, this function builds the entry to be inserted -in the SYS_TABLES system table. -@return the tuple which should be inserted */ -static -dtuple_t* -dict_create_sys_tables_tuple( -/*=========================*/ - const dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: memory heap from - which the memory for the built - tuple is allocated */ -{ - dict_table_t* sys_tables; - dtuple_t* entry; - dfield_t* dfield; - byte* ptr; - - ut_ad(table); - ut_ad(heap); - - sys_tables = dict_sys->sys_tables; - - entry = dtuple_create(heap, 8 + DATA_N_SYS_COLS); - - dict_table_copy_types(entry, sys_tables); - - /* 0: NAME -----------------------------*/ - dfield = dtuple_get_nth_field(entry, 0/*NAME*/); - - dfield_set_data(dfield, table->name, ut_strlen(table->name)); - /* 3: ID -------------------------------*/ - dfield = dtuple_get_nth_field(entry, 1/*ID*/); - - ptr = mem_heap_alloc(heap, 8); - mach_write_to_8(ptr, table->id); - - dfield_set_data(dfield, ptr, 8); - /* 4: N_COLS ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 2/*N_COLS*/); - -#if DICT_TF_COMPACT != 1 -#error -#endif - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, table->n_def - | ((table->flags & DICT_TF_COMPACT) << 31)); - dfield_set_data(dfield, ptr, 4); - /* 5: TYPE -----------------------------*/ - dfield = dtuple_get_nth_field(entry, 3/*TYPE*/); - - ptr = mem_heap_alloc(heap, 4); - if (table->flags & (~DICT_TF_COMPACT & ~(~0 << DICT_TF_BITS))) { - ut_a(table->flags & DICT_TF_COMPACT); - ut_a(dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); - ut_a((table->flags & DICT_TF_ZSSIZE_MASK) - <= (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT)); - ut_a(!(table->flags & (~0 << DICT_TF2_BITS))); - mach_write_to_4(ptr, table->flags & ~(~0 << DICT_TF_BITS)); - } else { - mach_write_to_4(ptr, DICT_TABLE_ORDINARY); - } - - dfield_set_data(dfield, ptr, 4); - /* 6: MIX_ID (obsolete) ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 4/*MIX_ID*/); - - ptr = mem_heap_zalloc(heap, 8); - - dfield_set_data(dfield, ptr, 8); - /* 7: MIX_LEN (additional flags) --------------------------*/ - - dfield = dtuple_get_nth_field(entry, 5/*MIX_LEN*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, table->flags >> DICT_TF2_SHIFT); - - dfield_set_data(dfield, ptr, 4); - /* 8: CLUSTER_NAME ---------------------*/ - dfield = dtuple_get_nth_field(entry, 6/*CLUSTER_NAME*/); - dfield_set_null(dfield); /* not supported */ - - /* 9: SPACE ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 7/*SPACE*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, table->space); - - dfield_set_data(dfield, ptr, 4); - /*----------------------------------*/ - - return(entry); -} - -/*****************************************************************//** -Based on a table object, this function builds the entry to be inserted -in the SYS_COLUMNS system table. -@return the tuple which should be inserted */ -static -dtuple_t* -dict_create_sys_columns_tuple( -/*==========================*/ - const dict_table_t* table, /*!< in: table */ - ulint i, /*!< in: column number */ - mem_heap_t* heap) /*!< in: memory heap from - which the memory for the built - tuple is allocated */ -{ - dict_table_t* sys_columns; - dtuple_t* entry; - const dict_col_t* column; - dfield_t* dfield; - byte* ptr; - const char* col_name; - - ut_ad(table); - ut_ad(heap); - - column = dict_table_get_nth_col(table, i); - - sys_columns = dict_sys->sys_columns; - - entry = dtuple_create(heap, 7 + DATA_N_SYS_COLS); - - dict_table_copy_types(entry, sys_columns); - - /* 0: TABLE_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); - - ptr = mem_heap_alloc(heap, 8); - mach_write_to_8(ptr, table->id); - - dfield_set_data(dfield, ptr, 8); - /* 1: POS ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 1/*POS*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, i); - - dfield_set_data(dfield, ptr, 4); - /* 4: NAME ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 2/*NAME*/); - - col_name = dict_table_get_col_name(table, i); - dfield_set_data(dfield, col_name, ut_strlen(col_name)); - /* 5: MTYPE --------------------------*/ - dfield = dtuple_get_nth_field(entry, 3/*MTYPE*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, column->mtype); - - dfield_set_data(dfield, ptr, 4); - /* 6: PRTYPE -------------------------*/ - dfield = dtuple_get_nth_field(entry, 4/*PRTYPE*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, column->prtype); - - dfield_set_data(dfield, ptr, 4); - /* 7: LEN ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 5/*LEN*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, column->len); - - dfield_set_data(dfield, ptr, 4); - /* 8: PREC ---------------------------*/ - dfield = dtuple_get_nth_field(entry, 6/*PREC*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, 0/* unused */); - - dfield_set_data(dfield, ptr, 4); - /*---------------------------------*/ - - return(entry); -} - -/***************************************************************//** -Builds a table definition to insert. -@return DB_SUCCESS or error code */ -static -ulint -dict_build_table_def_step( -/*======================*/ - que_thr_t* thr, /*!< in: query thread */ - tab_node_t* node) /*!< in: table create node */ -{ - dict_table_t* table; - dtuple_t* row; - ulint error; - ulint flags; - const char* path_or_name; - ibool is_path; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - table = node->table; - - table->id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); - - thr_get_trx(thr)->table_id = table->id; - - if (srv_file_per_table) { - /* We create a new single-table tablespace for the table. - We initially let it be 4 pages: - - page 0 is the fsp header and an extent descriptor page, - - page 1 is an ibuf bitmap page, - - page 2 is the first inode page, - - page 3 will contain the root of the clustered index of the - table we create here. */ - - ulint space = 0; /* reset to zero for the call below */ - - if (table->dir_path_of_temp_table) { - /* We place tables created with CREATE TEMPORARY - TABLE in the tmp dir of mysqld server */ - - path_or_name = table->dir_path_of_temp_table; - is_path = TRUE; - } else { - path_or_name = table->name; - is_path = FALSE; - } - - ut_ad(dict_table_get_format(table) <= DICT_TF_FORMAT_MAX); - ut_ad(!dict_table_zip_size(table) - || dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP); - - flags = table->flags & ~(~0 << DICT_TF_BITS); - error = fil_create_new_single_table_tablespace( - &space, path_or_name, is_path, - flags == DICT_TF_COMPACT ? 0 : flags, - FIL_IBD_FILE_INITIAL_SIZE); - table->space = (unsigned int) space; - - if (error != DB_SUCCESS) { - - return(error); - } - - mtr_start(&mtr); - - fsp_header_init(table->space, FIL_IBD_FILE_INITIAL_SIZE, &mtr); - - mtr_commit(&mtr); - } else { - /* Create in the system tablespace: disallow new features */ - table->flags &= (~0 << DICT_TF_BITS) | DICT_TF_COMPACT; - } - - row = dict_create_sys_tables_tuple(table, node->heap); - - ins_node_set_new_row(node->tab_def, row); - - return(DB_SUCCESS); -} - -/***************************************************************//** -Builds a column definition to insert. -@return DB_SUCCESS */ -static -ulint -dict_build_col_def_step( -/*====================*/ - tab_node_t* node) /*!< in: table create node */ -{ - dtuple_t* row; - - row = dict_create_sys_columns_tuple(node->table, node->col_no, - node->heap); - ins_node_set_new_row(node->col_def, row); - - return(DB_SUCCESS); -} - -/*****************************************************************//** -Based on an index object, this function builds the entry to be inserted -in the SYS_INDEXES system table. -@return the tuple which should be inserted */ -static -dtuple_t* -dict_create_sys_indexes_tuple( -/*==========================*/ - const dict_index_t* index, /*!< in: index */ - mem_heap_t* heap) /*!< in: memory heap from - which the memory for the built - tuple is allocated */ -{ - dict_table_t* sys_indexes; - dict_table_t* table; - dtuple_t* entry; - dfield_t* dfield; - byte* ptr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(index); - ut_ad(heap); - - sys_indexes = dict_sys->sys_indexes; - - table = dict_table_get_low(index->table_name); - - entry = dtuple_create(heap, 7 + DATA_N_SYS_COLS); - - dict_table_copy_types(entry, sys_indexes); - - /* 0: TABLE_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/); - - ptr = mem_heap_alloc(heap, 8); - mach_write_to_8(ptr, table->id); - - dfield_set_data(dfield, ptr, 8); - /* 1: ID ----------------------------*/ - dfield = dtuple_get_nth_field(entry, 1/*ID*/); - - ptr = mem_heap_alloc(heap, 8); - mach_write_to_8(ptr, index->id); - - dfield_set_data(dfield, ptr, 8); - /* 4: NAME --------------------------*/ - dfield = dtuple_get_nth_field(entry, 2/*NAME*/); - - dfield_set_data(dfield, index->name, ut_strlen(index->name)); - /* 5: N_FIELDS ----------------------*/ - dfield = dtuple_get_nth_field(entry, 3/*N_FIELDS*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, index->n_fields); - - dfield_set_data(dfield, ptr, 4); - /* 6: TYPE --------------------------*/ - dfield = dtuple_get_nth_field(entry, 4/*TYPE*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, index->type); - - dfield_set_data(dfield, ptr, 4); - /* 7: SPACE --------------------------*/ - -#if DICT_SYS_INDEXES_SPACE_NO_FIELD != 7 -#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 7" -#endif - - dfield = dtuple_get_nth_field(entry, 5/*SPACE*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, index->space); - - dfield_set_data(dfield, ptr, 4); - /* 8: PAGE_NO --------------------------*/ - -#if DICT_SYS_INDEXES_PAGE_NO_FIELD != 8 -#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 8" -#endif - - dfield = dtuple_get_nth_field(entry, 6/*PAGE_NO*/); - - ptr = mem_heap_alloc(heap, 4); - mach_write_to_4(ptr, FIL_NULL); - - dfield_set_data(dfield, ptr, 4); - /*--------------------------------*/ - - return(entry); -} - -/*****************************************************************//** -Based on an index object, this function builds the entry to be inserted -in the SYS_FIELDS system table. -@return the tuple which should be inserted */ -static -dtuple_t* -dict_create_sys_fields_tuple( -/*=========================*/ - const dict_index_t* index, /*!< in: index */ - ulint i, /*!< in: field number */ - mem_heap_t* heap) /*!< in: memory heap from - which the memory for the built - tuple is allocated */ -{ - dict_table_t* sys_fields; - dtuple_t* entry; - dict_field_t* field; - dfield_t* dfield; - byte* ptr; - ibool index_contains_column_prefix_field = FALSE; - ulint j; - - ut_ad(index); - ut_ad(heap); - - for (j = 0; j < index->n_fields; j++) { - if (dict_index_get_nth_field(index, j)->prefix_len > 0) { - index_contains_column_prefix_field = TRUE; - break; - } - } - - field = dict_index_get_nth_field(index, i); - - sys_fields = dict_sys->sys_fields; - - entry = dtuple_create(heap, 3 + DATA_N_SYS_COLS); - - dict_table_copy_types(entry, sys_fields); - - /* 0: INDEX_ID -----------------------*/ - dfield = dtuple_get_nth_field(entry, 0/*INDEX_ID*/); - - ptr = mem_heap_alloc(heap, 8); - mach_write_to_8(ptr, index->id); - - dfield_set_data(dfield, ptr, 8); - /* 1: POS + PREFIX LENGTH ----------------------------*/ - - dfield = dtuple_get_nth_field(entry, 1/*POS*/); - - ptr = mem_heap_alloc(heap, 4); - - if (index_contains_column_prefix_field) { - /* If there are column prefix fields in the index, then - we store the number of the field to the 2 HIGH bytes - and the prefix length to the 2 low bytes, */ - - mach_write_to_4(ptr, (i << 16) + field->prefix_len); - } else { - /* Else we store the number of the field to the 2 LOW bytes. - This is to keep the storage format compatible with - InnoDB versions < 4.0.14. */ - - mach_write_to_4(ptr, i); - } - - dfield_set_data(dfield, ptr, 4); - /* 4: COL_NAME -------------------------*/ - dfield = dtuple_get_nth_field(entry, 2/*COL_NAME*/); - - dfield_set_data(dfield, field->name, - ut_strlen(field->name)); - /*---------------------------------*/ - - return(entry); -} - -/*****************************************************************//** -Creates the tuple with which the index entry is searched for writing the index -tree root page number, if such a tree is created. -@return the tuple for search */ -static -dtuple_t* -dict_create_search_tuple( -/*=====================*/ - const dtuple_t* tuple, /*!< in: the tuple inserted in the SYS_INDEXES - table */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the built tuple is allocated */ -{ - dtuple_t* search_tuple; - const dfield_t* field1; - dfield_t* field2; - - ut_ad(tuple && heap); - - search_tuple = dtuple_create(heap, 2); - - field1 = dtuple_get_nth_field(tuple, 0); - field2 = dtuple_get_nth_field(search_tuple, 0); - - dfield_copy(field2, field1); - - field1 = dtuple_get_nth_field(tuple, 1); - field2 = dtuple_get_nth_field(search_tuple, 1); - - dfield_copy(field2, field1); - - ut_ad(dtuple_validate(search_tuple)); - - return(search_tuple); -} - -/***************************************************************//** -Builds an index definition row to insert. -@return DB_SUCCESS or error code */ -static -ulint -dict_build_index_def_step( -/*======================*/ - que_thr_t* thr, /*!< in: query thread */ - ind_node_t* node) /*!< in: index create node */ -{ - dict_table_t* table; - dict_index_t* index; - dtuple_t* row; - trx_t* trx; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - trx = thr_get_trx(thr); - - index = node->index; - - table = dict_table_get_low(index->table_name); - - if (table == NULL) { - return(DB_TABLE_NOT_FOUND); - } - - trx->table_id = table->id; - - node->table = table; - - ut_ad((UT_LIST_GET_LEN(table->indexes) > 0) - || dict_index_is_clust(index)); - - index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); - - /* Inherit the space id from the table; we store all indexes of a - table in the same tablespace */ - - index->space = table->space; - node->page_no = FIL_NULL; - row = dict_create_sys_indexes_tuple(index, node->heap); - node->ind_row = row; - - ins_node_set_new_row(node->ind_def, row); - - /* Note that the index was created by this transaction. */ - index->trx_id = (ib_uint64_t) ut_conv_dulint_to_longlong(trx->id); - - return(DB_SUCCESS); -} - -/***************************************************************//** -Builds a field definition row to insert. -@return DB_SUCCESS */ -static -ulint -dict_build_field_def_step( -/*======================*/ - ind_node_t* node) /*!< in: index create node */ -{ - dict_index_t* index; - dtuple_t* row; - - index = node->index; - - row = dict_create_sys_fields_tuple(index, node->field_no, node->heap); - - ins_node_set_new_row(node->field_def, row); - - return(DB_SUCCESS); -} - -/***************************************************************//** -Creates an index tree for the index if it is not a member of a cluster. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -dict_create_index_tree_step( -/*========================*/ - ind_node_t* node) /*!< in: index create node */ -{ - dict_index_t* index; - dict_table_t* sys_indexes; - dict_table_t* table; - dtuple_t* search_tuple; - ulint zip_size; - btr_pcur_t pcur; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - index = node->index; - table = node->table; - - sys_indexes = dict_sys->sys_indexes; - - /* Run a mini-transaction in which the index tree is allocated for - the index and its root address is written to the index entry in - sys_indexes */ - - mtr_start(&mtr); - - search_tuple = dict_create_search_tuple(node->ind_row, node->heap); - - btr_pcur_open(UT_LIST_GET_FIRST(sys_indexes->indexes), - search_tuple, PAGE_CUR_L, BTR_MODIFY_LEAF, - &pcur, &mtr); - - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - zip_size = dict_table_zip_size(index->table); - - node->page_no = btr_create(index->type, index->space, zip_size, - index->id, index, &mtr); - /* printf("Created a new index tree in space %lu root page %lu\n", - index->space, index->page_no); */ - - page_rec_write_index_page_no(btr_pcur_get_rec(&pcur), - DICT_SYS_INDEXES_PAGE_NO_FIELD, - node->page_no, &mtr); - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - if (node->page_no == FIL_NULL) { - - return(DB_OUT_OF_FILE_SPACE); - } - - return(DB_SUCCESS); -} - -/*******************************************************************//** -Drops the index tree associated with a row in SYS_INDEXES table. */ -UNIV_INTERN -void -dict_drop_index_tree( -/*=================*/ - rec_t* rec, /*!< in/out: record in the clustered index - of SYS_INDEXES table */ - mtr_t* mtr) /*!< in: mtr having the latch on the record page */ -{ - ulint root_page_no; - ulint space; - ulint zip_size; - const byte* ptr; - ulint len; - - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_a(!dict_table_is_comp(dict_sys->sys_indexes)); - ptr = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, &len); - - ut_ad(len == 4); - - root_page_no = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); - - if (root_page_no == FIL_NULL) { - /* The tree has already been freed */ - - return; - } - - ptr = rec_get_nth_field_old(rec, - DICT_SYS_INDEXES_SPACE_NO_FIELD, &len); - - ut_ad(len == 4); - - space = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); - zip_size = fil_space_get_zip_size(space); - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - /* It is a single table tablespace and the .ibd file is - missing: do nothing */ - - return; - } - - /* We free all the pages but the root page first; this operation - may span several mini-transactions */ - - btr_free_but_not_root(space, zip_size, root_page_no); - - /* Then we free the root page in the same mini-transaction where - we write FIL_NULL to the appropriate field in the SYS_INDEXES - record: this mini-transaction marks the B-tree totally freed */ - - /* printf("Dropping index tree in space %lu root page %lu\n", space, - root_page_no); */ - btr_free_root(space, zip_size, root_page_no, mtr); - - page_rec_write_index_page_no(rec, - DICT_SYS_INDEXES_PAGE_NO_FIELD, - FIL_NULL, mtr); -} - -/*******************************************************************//** -Truncates the index tree associated with a row in SYS_INDEXES table. -@return new root page number, or FIL_NULL on failure */ -UNIV_INTERN -ulint -dict_truncate_index_tree( -/*=====================*/ - dict_table_t* table, /*!< in: the table the index belongs to */ - ulint space, /*!< in: 0=truncate, - nonzero=create the index tree in the - given tablespace */ - btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to - record in the clustered index of - SYS_INDEXES table. The cursor may be - repositioned in this call. */ - mtr_t* mtr) /*!< in: mtr having the latch - on the record page. The mtr may be - committed and restarted in this call. */ -{ - ulint root_page_no; - ibool drop = !space; - ulint zip_size; - ulint type; - dulint index_id; - rec_t* rec; - const byte* ptr; - ulint len; - dict_index_t* index; - - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_a(!dict_table_is_comp(dict_sys->sys_indexes)); - rec = btr_pcur_get_rec(pcur); - ptr = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, &len); - - ut_ad(len == 4); - - root_page_no = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); - - if (drop && root_page_no == FIL_NULL) { - /* The tree has been freed. */ - - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Trying to TRUNCATE" - " a missing index of table %s!\n", table->name); - drop = FALSE; - } - - ptr = rec_get_nth_field_old(rec, - DICT_SYS_INDEXES_SPACE_NO_FIELD, &len); - - ut_ad(len == 4); - - if (drop) { - space = mtr_read_ulint(ptr, MLOG_4BYTES, mtr); - } - - zip_size = fil_space_get_zip_size(space); - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - /* It is a single table tablespace and the .ibd file is - missing: do nothing */ - - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Trying to TRUNCATE" - " a missing .ibd file of table %s!\n", table->name); - return(FIL_NULL); - } - - ptr = rec_get_nth_field_old(rec, - DICT_SYS_INDEXES_TYPE_FIELD, &len); - ut_ad(len == 4); - type = mach_read_from_4(ptr); - - ptr = rec_get_nth_field_old(rec, 1, &len); - ut_ad(len == 8); - index_id = mach_read_from_8(ptr); - - if (!drop) { - - goto create; - } - - /* We free all the pages but the root page first; this operation - may span several mini-transactions */ - - btr_free_but_not_root(space, zip_size, root_page_no); - - /* Then we free the root page in the same mini-transaction where - we create the b-tree and write its new root page number to the - appropriate field in the SYS_INDEXES record: this mini-transaction - marks the B-tree totally truncated */ - - btr_page_get(space, zip_size, root_page_no, RW_X_LATCH, mtr); - - btr_free_root(space, zip_size, root_page_no, mtr); -create: - /* We will temporarily write FIL_NULL to the PAGE_NO field - in SYS_INDEXES, so that the database will not get into an - inconsistent state in case it crashes between the mtr_commit() - below and the following mtr_commit() call. */ - page_rec_write_index_page_no(rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, - FIL_NULL, mtr); - - /* We will need to commit the mini-transaction in order to avoid - deadlocks in the btr_create() call, because otherwise we would - be freeing and allocating pages in the same mini-transaction. */ - btr_pcur_store_position(pcur, mtr); - mtr_commit(mtr); - - mtr_start(mtr); - btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, mtr); - - /* Find the index corresponding to this SYS_INDEXES record. */ - for (index = UT_LIST_GET_FIRST(table->indexes); - index; - index = UT_LIST_GET_NEXT(indexes, index)) { - if (!ut_dulint_cmp(index->id, index_id)) { - root_page_no = btr_create(type, space, zip_size, - index_id, index, mtr); - index->page = (unsigned int) root_page_no; - return(root_page_no); - } - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Index %lu %lu of table %s is missing\n" - "InnoDB: from the data dictionary during TRUNCATE!\n", - ut_dulint_get_high(index_id), - ut_dulint_get_low(index_id), - table->name); - - return(FIL_NULL); -} - -/*********************************************************************//** -Creates a table create graph. -@return own: table create node */ -UNIV_INTERN -tab_node_t* -tab_create_graph_create( -/*====================*/ - dict_table_t* table, /*!< in: table to create, built as a memory data - structure */ - mem_heap_t* heap) /*!< in: heap where created */ -{ - tab_node_t* node; - - node = mem_heap_alloc(heap, sizeof(tab_node_t)); - - node->common.type = QUE_NODE_CREATE_TABLE; - - node->table = table; - - node->state = TABLE_BUILD_TABLE_DEF; - node->heap = mem_heap_create(256); - - node->tab_def = ins_node_create(INS_DIRECT, dict_sys->sys_tables, - heap); - node->tab_def->common.parent = node; - - node->col_def = ins_node_create(INS_DIRECT, dict_sys->sys_columns, - heap); - node->col_def->common.parent = node; - - node->commit_node = commit_node_create(heap); - node->commit_node->common.parent = node; - - return(node); -} - -/*********************************************************************//** -Creates an index create graph. -@return own: index create node */ -UNIV_INTERN -ind_node_t* -ind_create_graph_create( -/*====================*/ - dict_index_t* index, /*!< in: index to create, built as a memory data - structure */ - mem_heap_t* heap) /*!< in: heap where created */ -{ - ind_node_t* node; - - node = mem_heap_alloc(heap, sizeof(ind_node_t)); - - node->common.type = QUE_NODE_CREATE_INDEX; - - node->index = index; - - node->state = INDEX_BUILD_INDEX_DEF; - node->page_no = FIL_NULL; - node->heap = mem_heap_create(256); - - node->ind_def = ins_node_create(INS_DIRECT, - dict_sys->sys_indexes, heap); - node->ind_def->common.parent = node; - - node->field_def = ins_node_create(INS_DIRECT, - dict_sys->sys_fields, heap); - node->field_def->common.parent = node; - - node->commit_node = commit_node_create(heap); - node->commit_node->common.parent = node; - - return(node); -} - -/***********************************************************//** -Creates a table. This is a high-level function used in SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -dict_create_table_step( -/*===================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - tab_node_t* node; - ulint err = DB_ERROR; - trx_t* trx; - - ut_ad(thr); - ut_ad(mutex_own(&(dict_sys->mutex))); - - trx = thr_get_trx(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_CREATE_TABLE); - - if (thr->prev_node == que_node_get_parent(node)) { - node->state = TABLE_BUILD_TABLE_DEF; - } - - if (node->state == TABLE_BUILD_TABLE_DEF) { - - /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ - - err = dict_build_table_def_step(thr, node); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->state = TABLE_BUILD_COL_DEF; - node->col_no = 0; - - thr->run_node = node->tab_def; - - return(thr); - } - - if (node->state == TABLE_BUILD_COL_DEF) { - - if (node->col_no < (node->table)->n_def) { - - err = dict_build_col_def_step(node); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->col_no++; - - thr->run_node = node->col_def; - - return(thr); - } else { - node->state = TABLE_COMMIT_WORK; - } - } - - if (node->state == TABLE_COMMIT_WORK) { - - /* Table was correctly defined: do NOT commit the transaction - (CREATE TABLE does NOT do an implicit commit of the current - transaction) */ - - node->state = TABLE_ADD_TO_CACHE; - - /* thr->run_node = node->commit_node; - - return(thr); */ - } - - if (node->state == TABLE_ADD_TO_CACHE) { - - dict_table_add_to_cache(node->table, node->heap); - - err = DB_SUCCESS; - } - -function_exit: - trx->error_state = err; - - if (err == DB_SUCCESS) { - /* Ok: do nothing */ - - } else if (err == DB_LOCK_WAIT) { - - return(NULL); - } else { - /* SQL error detected */ - - return(NULL); - } - - thr->run_node = que_node_get_parent(node); - - return(thr); -} - -/***********************************************************//** -Creates an index. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -dict_create_index_step( -/*===================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ind_node_t* node; - ulint err = DB_ERROR; - trx_t* trx; - - ut_ad(thr); - ut_ad(mutex_own(&(dict_sys->mutex))); - - trx = thr_get_trx(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_CREATE_INDEX); - - if (thr->prev_node == que_node_get_parent(node)) { - node->state = INDEX_BUILD_INDEX_DEF; - } - - if (node->state == INDEX_BUILD_INDEX_DEF) { - /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ - err = dict_build_index_def_step(thr, node); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->state = INDEX_BUILD_FIELD_DEF; - node->field_no = 0; - - thr->run_node = node->ind_def; - - return(thr); - } - - if (node->state == INDEX_BUILD_FIELD_DEF) { - - if (node->field_no < (node->index)->n_fields) { - - err = dict_build_field_def_step(node); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->field_no++; - - thr->run_node = node->field_def; - - return(thr); - } else { - node->state = INDEX_ADD_TO_CACHE; - } - } - - if (node->state == INDEX_ADD_TO_CACHE) { - - dulint index_id = node->index->id; - - err = dict_index_add_to_cache(node->table, node->index, - FIL_NULL, TRUE); - - node->index = dict_index_get_if_in_cache_low(index_id); - ut_a(!node->index == (err != DB_SUCCESS)); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->state = INDEX_CREATE_INDEX_TREE; - } - - if (node->state == INDEX_CREATE_INDEX_TREE) { - - err = dict_create_index_tree_step(node); - - if (err != DB_SUCCESS) { - dict_index_remove_from_cache(node->table, node->index); - node->index = NULL; - - goto function_exit; - } - - node->index->page = node->page_no; - node->state = INDEX_COMMIT_WORK; - } - - if (node->state == INDEX_COMMIT_WORK) { - - /* Index was correctly defined: do NOT commit the transaction - (CREATE INDEX does NOT currently do an implicit commit of - the current transaction) */ - - node->state = INDEX_CREATE_INDEX_TREE; - - /* thr->run_node = node->commit_node; - - return(thr); */ - } - -function_exit: - trx->error_state = err; - - if (err == DB_SUCCESS) { - /* Ok: do nothing */ - - } else if (err == DB_LOCK_WAIT) { - - return(NULL); - } else { - /* SQL error detected */ - - return(NULL); - } - - thr->run_node = que_node_get_parent(node); - - return(thr); -} - -/****************************************************************//** -Creates the foreign key constraints system tables inside InnoDB -at database creation or database start if they are not found or are -not of the right form. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_create_or_check_foreign_constraint_tables(void) -/*================================================*/ -{ - dict_table_t* table1; - dict_table_t* table2; - ulint error; - trx_t* trx; - - mutex_enter(&(dict_sys->mutex)); - - table1 = dict_table_get_low("SYS_FOREIGN"); - table2 = dict_table_get_low("SYS_FOREIGN_COLS"); - - if (table1 && table2 - && UT_LIST_GET_LEN(table1->indexes) == 3 - && UT_LIST_GET_LEN(table2->indexes) == 1) { - - /* Foreign constraint system tables have already been - created, and they are ok */ - - mutex_exit(&(dict_sys->mutex)); - - return(DB_SUCCESS); - } - - mutex_exit(&(dict_sys->mutex)); - - trx = trx_allocate_for_mysql(); - - trx->op_info = "creating foreign key sys tables"; - - row_mysql_lock_data_dictionary(trx); - - if (table1) { - fprintf(stderr, - "InnoDB: dropping incompletely created" - " SYS_FOREIGN table\n"); - row_drop_table_for_mysql("SYS_FOREIGN", trx, TRUE); - } - - if (table2) { - fprintf(stderr, - "InnoDB: dropping incompletely created" - " SYS_FOREIGN_COLS table\n"); - row_drop_table_for_mysql("SYS_FOREIGN_COLS", trx, TRUE); - } - - fprintf(stderr, - "InnoDB: Creating foreign key constraint system tables\n"); - - /* NOTE: in dict_load_foreigns we use the fact that - there are 2 secondary indexes on SYS_FOREIGN, and they - are defined just like below */ - - /* NOTE: when designing InnoDB's foreign key support in 2001, we made - an error and made the table names and the foreign key id of type - 'CHAR' (internally, really a VARCHAR). We should have made the type - VARBINARY, like in other InnoDB system tables, to get a clean - design. */ - - error = que_eval_sql(NULL, - "PROCEDURE CREATE_FOREIGN_SYS_TABLES_PROC () IS\n" - "BEGIN\n" - "CREATE TABLE\n" - "SYS_FOREIGN(ID CHAR, FOR_NAME CHAR," - " REF_NAME CHAR, N_COLS INT);\n" - "CREATE UNIQUE CLUSTERED INDEX ID_IND" - " ON SYS_FOREIGN (ID);\n" - "CREATE INDEX FOR_IND" - " ON SYS_FOREIGN (FOR_NAME);\n" - "CREATE INDEX REF_IND" - " ON SYS_FOREIGN (REF_NAME);\n" - "CREATE TABLE\n" - "SYS_FOREIGN_COLS(ID CHAR, POS INT," - " FOR_COL_NAME CHAR, REF_COL_NAME CHAR);\n" - "CREATE UNIQUE CLUSTERED INDEX ID_IND" - " ON SYS_FOREIGN_COLS (ID, POS);\n" - "END;\n" - , FALSE, trx); - - if (error != DB_SUCCESS) { - fprintf(stderr, "InnoDB: error %lu in creation\n", - (ulong) error); - - ut_a(error == DB_OUT_OF_FILE_SPACE - || error == DB_TOO_MANY_CONCURRENT_TRXS); - - fprintf(stderr, - "InnoDB: creation failed\n" - "InnoDB: tablespace is full\n" - "InnoDB: dropping incompletely created" - " SYS_FOREIGN tables\n"); - - row_drop_table_for_mysql("SYS_FOREIGN", trx, TRUE); - row_drop_table_for_mysql("SYS_FOREIGN_COLS", trx, TRUE); - - error = DB_MUST_GET_MORE_FILE_SPACE; - } - - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - - trx_free_for_mysql(trx); - - if (error == DB_SUCCESS) { - fprintf(stderr, - "InnoDB: Foreign key constraint system tables" - " created\n"); - } - - return(error); -} - -/****************************************************************//** -Evaluate the given foreign key SQL statement. -@return error code or DB_SUCCESS */ -static -ulint -dict_foreign_eval_sql( -/*==================*/ - pars_info_t* info, /*!< in: info struct, or NULL */ - const char* sql, /*!< in: SQL string to evaluate */ - dict_table_t* table, /*!< in: table */ - dict_foreign_t* foreign,/*!< in: foreign */ - trx_t* trx) /*!< in: transaction */ -{ - ulint error; - FILE* ef = dict_foreign_err_file; - - error = que_eval_sql(info, sql, FALSE, trx); - - if (error == DB_DUPLICATE_KEY) { - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Error in foreign key constraint creation for table ", - ef); - ut_print_name(ef, trx, TRUE, table->name); - fputs(".\nA foreign key constraint of name ", ef); - ut_print_name(ef, trx, TRUE, foreign->id); - fputs("\nalready exists." - " (Note that internally InnoDB adds 'databasename'\n" - "in front of the user-defined constraint name.)\n" - "Note that InnoDB's FOREIGN KEY system tables store\n" - "constraint names as case-insensitive, with the\n" - "MySQL standard latin1_swedish_ci collation. If you\n" - "create tables or databases whose names differ only in\n" - "the character case, then collisions in constraint\n" - "names can occur. Workaround: name your constraints\n" - "explicitly with unique names.\n", - ef); - - mutex_exit(&dict_foreign_err_mutex); - - return(error); - } - - if (error != DB_SUCCESS) { - fprintf(stderr, - "InnoDB: Foreign key constraint creation failed:\n" - "InnoDB: internal error number %lu\n", (ulong) error); - - mutex_enter(&dict_foreign_err_mutex); - ut_print_timestamp(ef); - fputs(" Internal error in foreign key constraint creation" - " for table ", ef); - ut_print_name(ef, trx, TRUE, table->name); - fputs(".\n" - "See the MySQL .err log in the datadir" - " for more information.\n", ef); - mutex_exit(&dict_foreign_err_mutex); - - return(error); - } - - return(DB_SUCCESS); -} - -/********************************************************************//** -Add a single foreign key field definition to the data dictionary tables in -the database. -@return error code or DB_SUCCESS */ -static -ulint -dict_create_add_foreign_field_to_dictionary( -/*========================================*/ - ulint field_nr, /*!< in: foreign field number */ - dict_table_t* table, /*!< in: table */ - dict_foreign_t* foreign, /*!< in: foreign */ - trx_t* trx) /*!< in: transaction */ -{ - pars_info_t* info = pars_info_create(); - - pars_info_add_str_literal(info, "id", foreign->id); - - pars_info_add_int4_literal(info, "pos", field_nr); - - pars_info_add_str_literal(info, "for_col_name", - foreign->foreign_col_names[field_nr]); - - pars_info_add_str_literal(info, "ref_col_name", - foreign->referenced_col_names[field_nr]); - - return(dict_foreign_eval_sql( - info, - "PROCEDURE P () IS\n" - "BEGIN\n" - "INSERT INTO SYS_FOREIGN_COLS VALUES" - "(:id, :pos, :for_col_name, :ref_col_name);\n" - "END;\n", - table, foreign, trx)); -} - -/********************************************************************//** -Add a single foreign key definition to the data dictionary tables in the -database. We also generate names to constraints that were not named by the -user. A generated constraint has a name of the format -databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and -are given locally for this table, that is, the number is not global, as in -the old format constraints < 4.0.18 it used to be. -@return error code or DB_SUCCESS */ -static -ulint -dict_create_add_foreign_to_dictionary( -/*==================================*/ - ulint* id_nr, /*!< in/out: number to use in id generation; - incremented if used */ - dict_table_t* table, /*!< in: table */ - dict_foreign_t* foreign,/*!< in: foreign */ - trx_t* trx) /*!< in: transaction */ -{ - ulint error; - ulint i; - - pars_info_t* info = pars_info_create(); - - if (foreign->id == NULL) { - /* Generate a new constraint id */ - ulint namelen = strlen(table->name); - char* id = mem_heap_alloc(foreign->heap, namelen + 20); - /* no overflow if number < 1e13 */ - sprintf(id, "%s_ibfk_%lu", table->name, (ulong) (*id_nr)++); - foreign->id = id; - } - - pars_info_add_str_literal(info, "id", foreign->id); - - pars_info_add_str_literal(info, "for_name", table->name); - - pars_info_add_str_literal(info, "ref_name", - foreign->referenced_table_name); - - pars_info_add_int4_literal(info, "n_cols", - foreign->n_fields + (foreign->type << 24)); - - error = dict_foreign_eval_sql(info, - "PROCEDURE P () IS\n" - "BEGIN\n" - "INSERT INTO SYS_FOREIGN VALUES" - "(:id, :for_name, :ref_name, :n_cols);\n" - "END;\n" - , table, foreign, trx); - - if (error != DB_SUCCESS) { - - return(error); - } - - for (i = 0; i < foreign->n_fields; i++) { - error = dict_create_add_foreign_field_to_dictionary( - i, table, foreign, trx); - - if (error != DB_SUCCESS) { - - return(error); - } - } - - error = dict_foreign_eval_sql(NULL, - "PROCEDURE P () IS\n" - "BEGIN\n" - "COMMIT WORK;\n" - "END;\n" - , table, foreign, trx); - - return(error); -} - -/********************************************************************//** -Adds foreign key definitions to data dictionary tables in the database. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -dict_create_add_foreigns_to_dictionary( -/*===================================*/ - ulint start_id,/*!< in: if we are actually doing ALTER TABLE - ADD CONSTRAINT, we want to generate constraint - numbers which are bigger than in the table so - far; we number the constraints from - start_id + 1 up; start_id should be set to 0 if - we are creating a new table, or if the table - so far has no constraints for which the name - was generated here */ - dict_table_t* table, /*!< in: table */ - trx_t* trx) /*!< in: transaction */ -{ - dict_foreign_t* foreign; - ulint number = start_id + 1; - ulint error; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - if (NULL == dict_table_get_low("SYS_FOREIGN")) { - fprintf(stderr, - "InnoDB: table SYS_FOREIGN not found" - " in internal data dictionary\n"); - - return(DB_ERROR); - } - - for (foreign = UT_LIST_GET_FIRST(table->foreign_list); - foreign; - foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - - error = dict_create_add_foreign_to_dictionary(&number, table, - foreign, trx); - - if (error != DB_SUCCESS) { - - return(error); - } - } - - return(DB_SUCCESS); -} diff --git a/perfschema/dict/dict0dict.c b/perfschema/dict/dict0dict.c deleted file mode 100644 index 8a03151d062..00000000000 --- a/perfschema/dict/dict0dict.c +++ /dev/null @@ -1,4854 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file dict/dict0dict.c -Data dictionary system - -Created 1/8/1996 Heikki Tuuri -***********************************************************************/ - -#include "dict0dict.h" - -#ifdef UNIV_NONINL -#include "dict0dict.ic" -#endif - -/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ -UNIV_INTERN dict_index_t* dict_ind_redundant; -/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ -UNIV_INTERN dict_index_t* dict_ind_compact; - -#ifndef UNIV_HOTBACKUP -#include "buf0buf.h" -#include "data0type.h" -#include "mach0data.h" -#include "dict0boot.h" -#include "dict0mem.h" -#include "dict0crea.h" -#include "trx0undo.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "btr0sea.h" -#include "page0zip.h" -#include "page0page.h" -#include "pars0pars.h" -#include "pars0sym.h" -#include "que0que.h" -#include "rem0cmp.h" -#include "row0merge.h" -#include "m_ctype.h" /* my_isspace() */ -#include "ha_prototypes.h" /* innobase_strcasecmp() */ - -#include - -/** the dictionary system */ -UNIV_INTERN dict_sys_t* dict_sys = NULL; - -/** @brief the data dictionary rw-latch protecting dict_sys - -table create, drop, etc. reserve this in X-mode; implicit or -backround operations purge, rollback, foreign key checks reserve this -in S-mode; we cannot trust that MySQL protects implicit or background -operations a table drop since MySQL does not know of them; therefore -we need this; NOTE: a transaction which reserves this must keep book -on the mode in trx_struct::dict_operation_lock_mode */ -UNIV_INTERN rw_lock_t dict_operation_lock; - -#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when - creating a table or index object */ -#define DICT_POOL_PER_TABLE_HASH 512 /*!< buffer pool max size per table - hash table fixed size in bytes */ -#define DICT_POOL_PER_VARYING 4 /*!< buffer pool max size per data - dictionary varying size in bytes */ - -/** Identifies generated InnoDB foreign key names */ -static char dict_ibfk[] = "_ibfk_"; - -/*******************************************************************//** -Tries to find column names for the index and sets the col field of the -index. -@return TRUE if the column names were found */ -static -ibool -dict_index_find_cols( -/*=================*/ - dict_table_t* table, /*!< in: table */ - dict_index_t* index); /*!< in: index */ -/*******************************************************************//** -Builds the internal dictionary cache representation for a clustered -index, containing also system fields not defined by the user. -@return own: the internal representation of the clustered index */ -static -dict_index_t* -dict_index_build_internal_clust( -/*============================*/ - const dict_table_t* table, /*!< in: table */ - dict_index_t* index); /*!< in: user representation of - a clustered index */ -/*******************************************************************//** -Builds the internal dictionary cache representation for a non-clustered -index, containing also system fields not defined by the user. -@return own: the internal representation of the non-clustered index */ -static -dict_index_t* -dict_index_build_internal_non_clust( -/*================================*/ - const dict_table_t* table, /*!< in: table */ - dict_index_t* index); /*!< in: user representation of - a non-clustered index */ -/**********************************************************************//** -Removes a foreign constraint struct from the dictionary cache. */ -static -void -dict_foreign_remove_from_cache( -/*===========================*/ - dict_foreign_t* foreign); /*!< in, own: foreign constraint */ -/**********************************************************************//** -Prints a column data. */ -static -void -dict_col_print_low( -/*===============*/ - const dict_table_t* table, /*!< in: table */ - const dict_col_t* col); /*!< in: column */ -/**********************************************************************//** -Prints an index data. */ -static -void -dict_index_print_low( -/*=================*/ - dict_index_t* index); /*!< in: index */ -/**********************************************************************//** -Prints a field data. */ -static -void -dict_field_print_low( -/*=================*/ - const dict_field_t* field); /*!< in: field */ -/*********************************************************************//** -Frees a foreign key struct. */ -static -void -dict_foreign_free( -/*==============*/ - dict_foreign_t* foreign); /*!< in, own: foreign key struct */ - -/* Stream for storing detailed information about the latest foreign key -and unique key errors */ -UNIV_INTERN FILE* dict_foreign_err_file = NULL; -/* mutex protecting the foreign and unique error buffers */ -UNIV_INTERN mutex_t dict_foreign_err_mutex; - -/******************************************************************//** -Makes all characters in a NUL-terminated UTF-8 string lower case. */ -UNIV_INTERN -void -dict_casedn_str( -/*============*/ - char* a) /*!< in/out: string to put in lower case */ -{ - innobase_casedn_str(a); -} - -/********************************************************************//** -Checks if the database name in two table names is the same. -@return TRUE if same db name */ -UNIV_INTERN -ibool -dict_tables_have_same_db( -/*=====================*/ - const char* name1, /*!< in: table name in the form - dbname '/' tablename */ - const char* name2) /*!< in: table name in the form - dbname '/' tablename */ -{ - for (; *name1 == *name2; name1++, name2++) { - if (*name1 == '/') { - return(TRUE); - } - ut_a(*name1); /* the names must contain '/' */ - } - return(FALSE); -} - -/********************************************************************//** -Return the end of table name where we have removed dbname and '/'. -@return table name */ -UNIV_INTERN -const char* -dict_remove_db_name( -/*================*/ - const char* name) /*!< in: table name in the form - dbname '/' tablename */ -{ - const char* s = strchr(name, '/'); - ut_a(s); - - return(s + 1); -} - -/********************************************************************//** -Get the database name length in a table name. -@return database name length */ -UNIV_INTERN -ulint -dict_get_db_name_len( -/*=================*/ - const char* name) /*!< in: table name in the form - dbname '/' tablename */ -{ - const char* s; - s = strchr(name, '/'); - ut_a(s); - return(s - name); -} - -/********************************************************************//** -Reserves the dictionary system mutex for MySQL. */ -UNIV_INTERN -void -dict_mutex_enter_for_mysql(void) -/*============================*/ -{ - mutex_enter(&(dict_sys->mutex)); -} - -/********************************************************************//** -Releases the dictionary system mutex for MySQL. */ -UNIV_INTERN -void -dict_mutex_exit_for_mysql(void) -/*===========================*/ -{ - mutex_exit(&(dict_sys->mutex)); -} - -/********************************************************************//** -Decrements the count of open MySQL handles to a table. */ -UNIV_INTERN -void -dict_table_decrement_handle_count( -/*==============================*/ - dict_table_t* table, /*!< in/out: table */ - ibool dict_locked) /*!< in: TRUE=data dictionary locked */ -{ - if (!dict_locked) { - mutex_enter(&dict_sys->mutex); - } - - ut_ad(mutex_own(&dict_sys->mutex)); - ut_a(table->n_mysql_handles_opened > 0); - - table->n_mysql_handles_opened--; - - if (!dict_locked) { - mutex_exit(&dict_sys->mutex); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Returns a column's name. -@return column name. NOTE: not guaranteed to stay valid if table is -modified in any way (columns added, etc.). */ -UNIV_INTERN -const char* -dict_table_get_col_name( -/*====================*/ - const dict_table_t* table, /*!< in: table */ - ulint col_nr) /*!< in: column number */ -{ - ulint i; - const char* s; - - ut_ad(table); - ut_ad(col_nr < table->n_def); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - s = table->col_names; - if (s) { - for (i = 0; i < col_nr; i++) { - s += strlen(s) + 1; - } - } - - return(s); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Acquire the autoinc lock. */ -UNIV_INTERN -void -dict_table_autoinc_lock( -/*====================*/ - dict_table_t* table) /*!< in/out: table */ -{ - mutex_enter(&table->autoinc_mutex); -} - -/********************************************************************//** -Unconditionally set the autoinc counter. */ -UNIV_INTERN -void -dict_table_autoinc_initialize( -/*==========================*/ - dict_table_t* table, /*!< in/out: table */ - ib_uint64_t value) /*!< in: next value to assign to a row */ -{ - ut_ad(mutex_own(&table->autoinc_mutex)); - - table->autoinc = value; -} - -/********************************************************************//** -Reads the next autoinc value (== autoinc counter value), 0 if not yet -initialized. -@return value for a new row, or 0 */ -UNIV_INTERN -ib_uint64_t -dict_table_autoinc_read( -/*====================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(mutex_own(&table->autoinc_mutex)); - - return(table->autoinc); -} - -/********************************************************************//** -Updates the autoinc counter if the value supplied is greater than the -current value. */ -UNIV_INTERN -void -dict_table_autoinc_update_if_greater( -/*=================================*/ - - dict_table_t* table, /*!< in/out: table */ - ib_uint64_t value) /*!< in: value which was assigned to a row */ -{ - ut_ad(mutex_own(&table->autoinc_mutex)); - - if (value > table->autoinc) { - - table->autoinc = value; - } -} - -/********************************************************************//** -Release the autoinc lock. */ -UNIV_INTERN -void -dict_table_autoinc_unlock( -/*======================*/ - dict_table_t* table) /*!< in/out: table */ -{ - mutex_exit(&table->autoinc_mutex); -} - -/**********************************************************************//** -Looks for an index with the given table and index id. -NOTE that we do not reserve the dictionary mutex. -@return index or NULL if not found from cache */ -UNIV_INTERN -dict_index_t* -dict_index_get_on_id_low( -/*=====================*/ - dict_table_t* table, /*!< in: table */ - dulint id) /*!< in: index id */ -{ - dict_index_t* index; - - index = dict_table_get_first_index(table); - - while (index) { - if (0 == ut_dulint_cmp(id, index->id)) { - /* Found */ - - return(index); - } - - index = dict_table_get_next_index(index); - } - - return(NULL); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Looks for column n in an index. -@return position in internal representation of the index; -ULINT_UNDEFINED if not contained */ -UNIV_INTERN -ulint -dict_index_get_nth_col_pos( -/*=======================*/ - const dict_index_t* index, /*!< in: index */ - ulint n) /*!< in: column number */ -{ - const dict_field_t* field; - const dict_col_t* col; - ulint pos; - ulint n_fields; - - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - col = dict_table_get_nth_col(index->table, n); - - if (dict_index_is_clust(index)) { - - return(dict_col_get_clust_pos(col, index)); - } - - n_fields = dict_index_get_n_fields(index); - - for (pos = 0; pos < n_fields; pos++) { - field = dict_index_get_nth_field(index, pos); - - if (col == field->col && field->prefix_len == 0) { - - return(pos); - } - } - - return(ULINT_UNDEFINED); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Returns TRUE if the index contains a column or a prefix of that column. -@return TRUE if contains the column or its prefix */ -UNIV_INTERN -ibool -dict_index_contains_col_or_prefix( -/*==============================*/ - const dict_index_t* index, /*!< in: index */ - ulint n) /*!< in: column number */ -{ - const dict_field_t* field; - const dict_col_t* col; - ulint pos; - ulint n_fields; - - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - if (dict_index_is_clust(index)) { - - return(TRUE); - } - - col = dict_table_get_nth_col(index->table, n); - - n_fields = dict_index_get_n_fields(index); - - for (pos = 0; pos < n_fields; pos++) { - field = dict_index_get_nth_field(index, pos); - - if (col == field->col) { - - return(TRUE); - } - } - - return(FALSE); -} - -/********************************************************************//** -Looks for a matching field in an index. The column has to be the same. The -column in index must be complete, or must contain a prefix longer than the -column in index2. That is, we must be able to construct the prefix in index2 -from the prefix in index. -@return position in internal representation of the index; -ULINT_UNDEFINED if not contained */ -UNIV_INTERN -ulint -dict_index_get_nth_field_pos( -/*=========================*/ - const dict_index_t* index, /*!< in: index from which to search */ - const dict_index_t* index2, /*!< in: index */ - ulint n) /*!< in: field number in index2 */ -{ - const dict_field_t* field; - const dict_field_t* field2; - ulint n_fields; - ulint pos; - - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - field2 = dict_index_get_nth_field(index2, n); - - n_fields = dict_index_get_n_fields(index); - - for (pos = 0; pos < n_fields; pos++) { - field = dict_index_get_nth_field(index, pos); - - if (field->col == field2->col - && (field->prefix_len == 0 - || (field->prefix_len >= field2->prefix_len - && field2->prefix_len != 0))) { - - return(pos); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Returns a table object based on table id. -@return table, NULL if does not exist */ -UNIV_INTERN -dict_table_t* -dict_table_get_on_id( -/*=================*/ - dulint table_id, /*!< in: table id */ - trx_t* trx) /*!< in: transaction handle */ -{ - dict_table_t* table; - - if (ut_dulint_cmp(table_id, DICT_FIELDS_ID) <= 0 - || trx->dict_operation_lock_mode == RW_X_LATCH) { - /* It is a system table which will always exist in the table - cache: we avoid acquiring the dictionary mutex, because - if we are doing a rollback to handle an error in TABLE - CREATE, for example, we already have the mutex! */ - - ut_ad(mutex_own(&(dict_sys->mutex)) - || trx->dict_operation_lock_mode == RW_X_LATCH); - - return(dict_table_get_on_id_low(table_id)); - } - - mutex_enter(&(dict_sys->mutex)); - - table = dict_table_get_on_id_low(table_id); - - mutex_exit(&(dict_sys->mutex)); - - return(table); -} - -/********************************************************************//** -Looks for column n position in the clustered index. -@return position in internal representation of the clustered index */ -UNIV_INTERN -ulint -dict_table_get_nth_col_pos( -/*=======================*/ - const dict_table_t* table, /*!< in: table */ - ulint n) /*!< in: column number */ -{ - return(dict_index_get_nth_col_pos(dict_table_get_first_index(table), - n)); -} - -/********************************************************************//** -Checks if a column is in the ordering columns of the clustered index of a -table. Column prefixes are treated like whole columns. -@return TRUE if the column, or its prefix, is in the clustered key */ -UNIV_INTERN -ibool -dict_table_col_in_clustered_key( -/*============================*/ - const dict_table_t* table, /*!< in: table */ - ulint n) /*!< in: column number */ -{ - const dict_index_t* index; - const dict_field_t* field; - const dict_col_t* col; - ulint pos; - ulint n_fields; - - ut_ad(table); - - col = dict_table_get_nth_col(table, n); - - index = dict_table_get_first_index(table); - - n_fields = dict_index_get_n_unique(index); - - for (pos = 0; pos < n_fields; pos++) { - field = dict_index_get_nth_field(index, pos); - - if (col == field->col) { - - return(TRUE); - } - } - - return(FALSE); -} - -/**********************************************************************//** -Inits the data dictionary module. */ -UNIV_INTERN -void -dict_init(void) -/*===========*/ -{ - dict_sys = mem_alloc(sizeof(dict_sys_t)); - - mutex_create(&dict_sys->mutex, SYNC_DICT); - - dict_sys->table_hash = hash_create(buf_pool_get_curr_size() - / (DICT_POOL_PER_TABLE_HASH - * UNIV_WORD_SIZE)); - dict_sys->table_id_hash = hash_create(buf_pool_get_curr_size() - / (DICT_POOL_PER_TABLE_HASH - * UNIV_WORD_SIZE)); - dict_sys->size = 0; - - UT_LIST_INIT(dict_sys->table_LRU); - - rw_lock_create(&dict_operation_lock, SYNC_DICT_OPERATION); - - dict_foreign_err_file = os_file_create_tmpfile(); - ut_a(dict_foreign_err_file); - - mutex_create(&dict_foreign_err_mutex, SYNC_ANY_LATCH); -} - -/**********************************************************************//** -Returns a table object and optionally increment its MySQL open handle count. -NOTE! This is a high-level function to be used mainly from outside the -'dict' directory. Inside this directory dict_table_get_low is usually the -appropriate function. -@return table, NULL if does not exist */ -UNIV_INTERN -dict_table_t* -dict_table_get( -/*===========*/ - const char* table_name, /*!< in: table name */ - ibool inc_mysql_count)/*!< in: whether to increment the open - handle count on the table */ -{ - dict_table_t* table; - - mutex_enter(&(dict_sys->mutex)); - - table = dict_table_get_low(table_name); - - if (inc_mysql_count && table) { - table->n_mysql_handles_opened++; - } - - mutex_exit(&(dict_sys->mutex)); - - if (table != NULL) { - if (!table->stat_initialized) { - /* If table->ibd_file_missing == TRUE, this will - print an error message and return without doing - anything. */ - dict_update_statistics(table); - } - } - - return(table); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Adds system columns to a table object. */ -UNIV_INTERN -void -dict_table_add_system_columns( -/*==========================*/ - dict_table_t* table, /*!< in/out: table */ - mem_heap_t* heap) /*!< in: temporary heap */ -{ - ut_ad(table); - ut_ad(table->n_def == table->n_cols - DATA_N_SYS_COLS); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_ad(!table->cached); - - /* NOTE: the system columns MUST be added in the following order - (so that they can be indexed by the numerical value of DATA_ROW_ID, - etc.) and as the last columns of the table memory object. - The clustered index will not always physically contain all - system columns. */ - - dict_mem_table_add_col(table, heap, "DB_ROW_ID", DATA_SYS, - DATA_ROW_ID | DATA_NOT_NULL, - DATA_ROW_ID_LEN); -#if DATA_ROW_ID != 0 -#error "DATA_ROW_ID != 0" -#endif - dict_mem_table_add_col(table, heap, "DB_TRX_ID", DATA_SYS, - DATA_TRX_ID | DATA_NOT_NULL, - DATA_TRX_ID_LEN); -#if DATA_TRX_ID != 1 -#error "DATA_TRX_ID != 1" -#endif - dict_mem_table_add_col(table, heap, "DB_ROLL_PTR", DATA_SYS, - DATA_ROLL_PTR | DATA_NOT_NULL, - DATA_ROLL_PTR_LEN); -#if DATA_ROLL_PTR != 2 -#error "DATA_ROLL_PTR != 2" -#endif - - /* This check reminds that if a new system column is added to - the program, it should be dealt with here */ -#if DATA_N_SYS_COLS != 3 -#error "DATA_N_SYS_COLS != 3" -#endif -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Adds a table object to the dictionary cache. */ -UNIV_INTERN -void -dict_table_add_to_cache( -/*====================*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: temporary heap */ -{ - ulint fold; - ulint id_fold; - ulint i; - ulint row_len; - - /* The lower limit for what we consider a "big" row */ -#define BIG_ROW_SIZE 1024 - - ut_ad(mutex_own(&(dict_sys->mutex))); - - dict_table_add_system_columns(table, heap); - - table->cached = TRUE; - - fold = ut_fold_string(table->name); - id_fold = ut_fold_dulint(table->id); - - row_len = 0; - for (i = 0; i < table->n_def; i++) { - ulint col_len = dict_col_get_max_size( - dict_table_get_nth_col(table, i)); - - row_len += col_len; - - /* If we have a single unbounded field, or several gigantic - fields, mark the maximum row size as BIG_ROW_SIZE. */ - if (row_len >= BIG_ROW_SIZE || col_len >= BIG_ROW_SIZE) { - row_len = BIG_ROW_SIZE; - - break; - } - } - - table->big_rows = row_len >= BIG_ROW_SIZE; - - /* Look for a table with the same name: error if such exists */ - { - dict_table_t* table2; - HASH_SEARCH(name_hash, dict_sys->table_hash, fold, - dict_table_t*, table2, ut_ad(table2->cached), - ut_strcmp(table2->name, table->name) == 0); - ut_a(table2 == NULL); - -#ifdef UNIV_DEBUG - /* Look for the same table pointer with a different name */ - HASH_SEARCH_ALL(name_hash, dict_sys->table_hash, - dict_table_t*, table2, ut_ad(table2->cached), - table2 == table); - ut_ad(table2 == NULL); -#endif /* UNIV_DEBUG */ - } - - /* Look for a table with the same id: error if such exists */ - { - dict_table_t* table2; - HASH_SEARCH(id_hash, dict_sys->table_id_hash, id_fold, - dict_table_t*, table2, ut_ad(table2->cached), - ut_dulint_cmp(table2->id, table->id) == 0); - ut_a(table2 == NULL); - -#ifdef UNIV_DEBUG - /* Look for the same table pointer with a different id */ - HASH_SEARCH_ALL(id_hash, dict_sys->table_id_hash, - dict_table_t*, table2, ut_ad(table2->cached), - table2 == table); - ut_ad(table2 == NULL); -#endif /* UNIV_DEBUG */ - } - - /* Add table to hash table of tables */ - HASH_INSERT(dict_table_t, name_hash, dict_sys->table_hash, fold, - table); - - /* Add table to hash table of tables based on table id */ - HASH_INSERT(dict_table_t, id_hash, dict_sys->table_id_hash, id_fold, - table); - /* Add table to LRU list of tables */ - UT_LIST_ADD_FIRST(table_LRU, dict_sys->table_LRU, table); - - dict_sys->size += mem_heap_get_size(table->heap); -} - -/**********************************************************************//** -Looks for an index with the given id. NOTE that we do not reserve -the dictionary mutex: this function is for emergency purposes like -printing info of a corrupt database page! -@return index or NULL if not found from cache */ -UNIV_INTERN -dict_index_t* -dict_index_find_on_id_low( -/*======================*/ - dulint id) /*!< in: index id */ -{ - dict_table_t* table; - dict_index_t* index; - - table = UT_LIST_GET_FIRST(dict_sys->table_LRU); - - while (table) { - index = dict_table_get_first_index(table); - - while (index) { - if (0 == ut_dulint_cmp(id, index->id)) { - /* Found */ - - return(index); - } - - index = dict_table_get_next_index(index); - } - - table = UT_LIST_GET_NEXT(table_LRU, table); - } - - return(NULL); -} - -/**********************************************************************//** -Renames a table object. -@return TRUE if success */ -UNIV_INTERN -ibool -dict_table_rename_in_cache( -/*=======================*/ - dict_table_t* table, /*!< in/out: table */ - const char* new_name, /*!< in: new name */ - ibool rename_also_foreigns)/*!< in: in ALTER TABLE we want - to preserve the original table name - in constraints which reference it */ -{ - dict_foreign_t* foreign; - dict_index_t* index; - ulint fold; - ulint old_size; - const char* old_name; - - ut_ad(table); - ut_ad(mutex_own(&(dict_sys->mutex))); - - old_size = mem_heap_get_size(table->heap); - old_name = table->name; - - fold = ut_fold_string(new_name); - - /* Look for a table with the same name: error if such exists */ - { - dict_table_t* table2; - HASH_SEARCH(name_hash, dict_sys->table_hash, fold, - dict_table_t*, table2, ut_ad(table2->cached), - (ut_strcmp(table2->name, new_name) == 0)); - if (UNIV_LIKELY_NULL(table2)) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: dictionary cache" - " already contains a table ", stderr); - ut_print_name(stderr, NULL, TRUE, new_name); - fputs("\n" - "InnoDB: cannot rename table ", stderr); - ut_print_name(stderr, NULL, TRUE, old_name); - putc('\n', stderr); - return(FALSE); - } - } - - /* If the table is stored in a single-table tablespace, rename the - .ibd file */ - - if (table->space != 0) { - if (table->dir_path_of_temp_table != NULL) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: trying to rename a" - " TEMPORARY TABLE ", stderr); - ut_print_name(stderr, NULL, TRUE, old_name); - fputs(" (", stderr); - ut_print_filename(stderr, - table->dir_path_of_temp_table); - fputs(" )\n", stderr); - return(FALSE); - } else if (!fil_rename_tablespace(old_name, table->space, - new_name)) { - return(FALSE); - } - } - - /* Remove table from the hash tables of tables */ - HASH_DELETE(dict_table_t, name_hash, dict_sys->table_hash, - ut_fold_string(old_name), table); - table->name = mem_heap_strdup(table->heap, new_name); - - /* Add table to hash table of tables */ - HASH_INSERT(dict_table_t, name_hash, dict_sys->table_hash, fold, - table); - dict_sys->size += (mem_heap_get_size(table->heap) - old_size); - - /* Update the table_name field in indexes */ - index = dict_table_get_first_index(table); - - while (index != NULL) { - index->table_name = table->name; - - index = dict_table_get_next_index(index); - } - - if (!rename_also_foreigns) { - /* In ALTER TABLE we think of the rename table operation - in the direction table -> temporary table (#sql...) - as dropping the table with the old name and creating - a new with the new name. Thus we kind of drop the - constraints from the dictionary cache here. The foreign key - constraints will be inherited to the new table from the - system tables through a call of dict_load_foreigns. */ - - /* Remove the foreign constraints from the cache */ - foreign = UT_LIST_GET_LAST(table->foreign_list); - - while (foreign != NULL) { - dict_foreign_remove_from_cache(foreign); - foreign = UT_LIST_GET_LAST(table->foreign_list); - } - - /* Reset table field in referencing constraints */ - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign != NULL) { - foreign->referenced_table = NULL; - foreign->referenced_index = NULL; - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - /* Make the list of referencing constraints empty */ - - UT_LIST_INIT(table->referenced_list); - - return(TRUE); - } - - /* Update the table name fields in foreign constraints, and update also - the constraint id of new format >= 4.0.18 constraints. Note that at - this point we have already changed table->name to the new name. */ - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign != NULL) { - if (ut_strlen(foreign->foreign_table_name) - < ut_strlen(table->name)) { - /* Allocate a longer name buffer; - TODO: store buf len to save memory */ - - foreign->foreign_table_name - = mem_heap_alloc(foreign->heap, - ut_strlen(table->name) + 1); - } - - strcpy(foreign->foreign_table_name, table->name); - - if (strchr(foreign->id, '/')) { - ulint db_len; - char* old_id; - - /* This is a >= 4.0.18 format id */ - - old_id = mem_strdup(foreign->id); - - if (ut_strlen(foreign->id) > ut_strlen(old_name) - + ((sizeof dict_ibfk) - 1) - && !memcmp(foreign->id, old_name, - ut_strlen(old_name)) - && !memcmp(foreign->id + ut_strlen(old_name), - dict_ibfk, (sizeof dict_ibfk) - 1)) { - - /* This is a generated >= 4.0.18 format id */ - - if (strlen(table->name) > strlen(old_name)) { - foreign->id = mem_heap_alloc( - foreign->heap, - strlen(table->name) - + strlen(old_id) + 1); - } - - /* Replace the prefix 'databasename/tablename' - with the new names */ - strcpy(foreign->id, table->name); - strcat(foreign->id, - old_id + ut_strlen(old_name)); - } else { - /* This is a >= 4.0.18 format id where the user - gave the id name */ - db_len = dict_get_db_name_len(table->name) + 1; - - if (dict_get_db_name_len(table->name) - > dict_get_db_name_len(foreign->id)) { - - foreign->id = mem_heap_alloc( - foreign->heap, - db_len + strlen(old_id) + 1); - } - - /* Replace the database prefix in id with the - one from table->name */ - - ut_memcpy(foreign->id, table->name, db_len); - - strcpy(foreign->id + db_len, - dict_remove_db_name(old_id)); - } - - mem_free(old_id); - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign != NULL) { - if (ut_strlen(foreign->referenced_table_name) - < ut_strlen(table->name)) { - /* Allocate a longer name buffer; - TODO: store buf len to save memory */ - - foreign->referenced_table_name = mem_heap_alloc( - foreign->heap, strlen(table->name) + 1); - } - - strcpy(foreign->referenced_table_name, table->name); - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - return(TRUE); -} - -/**********************************************************************//** -Change the id of a table object in the dictionary cache. This is used in -DISCARD TABLESPACE. */ -UNIV_INTERN -void -dict_table_change_id_in_cache( -/*==========================*/ - dict_table_t* table, /*!< in/out: table object already in cache */ - dulint new_id) /*!< in: new id to set */ -{ - ut_ad(table); - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - /* Remove the table from the hash table of id's */ - - HASH_DELETE(dict_table_t, id_hash, dict_sys->table_id_hash, - ut_fold_dulint(table->id), table); - table->id = new_id; - - /* Add the table back to the hash table */ - HASH_INSERT(dict_table_t, id_hash, dict_sys->table_id_hash, - ut_fold_dulint(table->id), table); -} - -/**********************************************************************//** -Removes a table object from the dictionary cache. */ -UNIV_INTERN -void -dict_table_remove_from_cache( -/*=========================*/ - dict_table_t* table) /*!< in, own: table */ -{ - dict_foreign_t* foreign; - dict_index_t* index; - ulint size; - - ut_ad(table); - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - -#if 0 - fputs("Removing table ", stderr); - ut_print_name(stderr, table->name, ULINT_UNDEFINED); - fputs(" from dictionary cache\n", stderr); -#endif - - /* Remove the foreign constraints from the cache */ - foreign = UT_LIST_GET_LAST(table->foreign_list); - - while (foreign != NULL) { - dict_foreign_remove_from_cache(foreign); - foreign = UT_LIST_GET_LAST(table->foreign_list); - } - - /* Reset table field in referencing constraints */ - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign != NULL) { - foreign->referenced_table = NULL; - foreign->referenced_index = NULL; - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - /* Remove the indexes from the cache */ - index = UT_LIST_GET_LAST(table->indexes); - - while (index != NULL) { - dict_index_remove_from_cache(table, index); - index = UT_LIST_GET_LAST(table->indexes); - } - - /* Remove table from the hash tables of tables */ - HASH_DELETE(dict_table_t, name_hash, dict_sys->table_hash, - ut_fold_string(table->name), table); - HASH_DELETE(dict_table_t, id_hash, dict_sys->table_id_hash, - ut_fold_dulint(table->id), table); - - /* Remove table from LRU list of tables */ - UT_LIST_REMOVE(table_LRU, dict_sys->table_LRU, table); - - size = mem_heap_get_size(table->heap); - - ut_ad(dict_sys->size >= size); - - dict_sys->size -= size; - - dict_mem_table_free(table); -} - -/****************************************************************//** -If the given column name is reserved for InnoDB system columns, return -TRUE. -@return TRUE if name is reserved */ -UNIV_INTERN -ibool -dict_col_name_is_reserved( -/*======================*/ - const char* name) /*!< in: column name */ -{ - /* This check reminds that if a new system column is added to - the program, it should be dealt with here. */ -#if DATA_N_SYS_COLS != 3 -#error "DATA_N_SYS_COLS != 3" -#endif - - static const char* reserved_names[] = { - "DB_ROW_ID", "DB_TRX_ID", "DB_ROLL_PTR" - }; - - ulint i; - - for (i = 0; i < UT_ARR_SIZE(reserved_names); i++) { - if (innobase_strcasecmp(name, reserved_names[i]) == 0) { - - return(TRUE); - } - } - - return(FALSE); -} - -/****************************************************************//** -If an undo log record for this table might not fit on a single page, -return TRUE. -@return TRUE if the undo log record could become too big */ -static -ibool -dict_index_too_big_for_undo( -/*========================*/ - const dict_table_t* table, /*!< in: table */ - const dict_index_t* new_index) /*!< in: index */ -{ - /* Make sure that all column prefixes will fit in the undo log record - in trx_undo_page_report_modify() right after trx_undo_page_init(). */ - - ulint i; - const dict_index_t* clust_index - = dict_table_get_first_index(table); - ulint undo_page_len - = TRX_UNDO_PAGE_HDR - TRX_UNDO_PAGE_HDR_SIZE - + 2 /* next record pointer */ - + 1 /* type_cmpl */ - + 11 /* trx->undo_no */ + 11 /* table->id */ - + 1 /* rec_get_info_bits() */ - + 11 /* DB_TRX_ID */ - + 11 /* DB_ROLL_PTR */ - + 10 + FIL_PAGE_DATA_END /* trx_undo_left() */ - + 2/* pointer to previous undo log record */; - - if (UNIV_UNLIKELY(!clust_index)) { - ut_a(dict_index_is_clust(new_index)); - clust_index = new_index; - } - - /* Add the size of the ordering columns in the - clustered index. */ - for (i = 0; i < clust_index->n_uniq; i++) { - const dict_col_t* col - = dict_index_get_nth_col(clust_index, i); - - /* Use the maximum output size of - mach_write_compressed(), although the encoded - length should always fit in 2 bytes. */ - undo_page_len += 5 + dict_col_get_max_size(col); - } - - /* Add the old values of the columns to be updated. - First, the amount and the numbers of the columns. - These are written by mach_write_compressed() whose - maximum output length is 5 bytes. However, given that - the quantities are below REC_MAX_N_FIELDS (10 bits), - the maximum length is 2 bytes per item. */ - undo_page_len += 2 * (dict_table_get_n_cols(table) + 1); - - for (i = 0; i < clust_index->n_def; i++) { - const dict_col_t* col - = dict_index_get_nth_col(clust_index, i); - ulint max_size - = dict_col_get_max_size(col); - ulint fixed_size - = dict_col_get_fixed_size(col, - dict_table_is_comp(table)); - - if (fixed_size) { - /* Fixed-size columns are stored locally. */ - max_size = fixed_size; - } else if (max_size <= BTR_EXTERN_FIELD_REF_SIZE * 2) { - /* Short columns are stored locally. */ - } else if (!col->ord_part) { - /* See if col->ord_part would be set - because of new_index. */ - ulint j; - - for (j = 0; j < new_index->n_uniq; j++) { - if (dict_index_get_nth_col( - new_index, j) == col) { - - goto is_ord_part; - } - } - - /* This is not an ordering column in any index. - Thus, it can be stored completely externally. */ - max_size = BTR_EXTERN_FIELD_REF_SIZE; - } else { -is_ord_part: - /* This is an ordering column in some index. - A long enough prefix must be written to the - undo log. See trx_undo_page_fetch_ext(). */ - - if (max_size > REC_MAX_INDEX_COL_LEN) { - max_size = REC_MAX_INDEX_COL_LEN; - } - - max_size += BTR_EXTERN_FIELD_REF_SIZE; - } - - undo_page_len += 5 + max_size; - } - - return(undo_page_len >= UNIV_PAGE_SIZE); -} - -/****************************************************************//** -If a record of this index might not fit on a single B-tree page, -return TRUE. -@return TRUE if the index record could become too big */ -static -ibool -dict_index_too_big_for_tree( -/*========================*/ - const dict_table_t* table, /*!< in: table */ - const dict_index_t* new_index) /*!< in: index */ -{ - ulint zip_size; - ulint comp; - ulint i; - /* maximum possible storage size of a record */ - ulint rec_max_size; - /* maximum allowed size of a record on a leaf page */ - ulint page_rec_max; - /* maximum allowed size of a node pointer record */ - ulint page_ptr_max; - - comp = dict_table_is_comp(table); - zip_size = dict_table_zip_size(table); - - if (zip_size && zip_size < UNIV_PAGE_SIZE) { - /* On a compressed page, two records must fit in the - uncompressed page modification log. On compressed - pages with zip_size == UNIV_PAGE_SIZE, this limit will - never be reached. */ - ut_ad(comp); - /* The maximum allowed record size is the size of - an empty page, minus a byte for recoding the heap - number in the page modification log. The maximum - allowed node pointer size is half that. */ - page_rec_max = page_zip_empty_size(new_index->n_fields, - zip_size) - 1; - page_ptr_max = page_rec_max / 2; - /* On a compressed page, there is a two-byte entry in - the dense page directory for every record. But there - is no record header. */ - rec_max_size = 2; - } else { - /* The maximum allowed record size is half a B-tree - page. No additional sparse page directory entry will - be generated for the first few user records. */ - page_rec_max = page_get_free_space_of_empty(comp) / 2; - page_ptr_max = page_rec_max; - /* Each record has a header. */ - rec_max_size = comp - ? REC_N_NEW_EXTRA_BYTES - : REC_N_OLD_EXTRA_BYTES; - } - - if (comp) { - /* Include the "null" flags in the - maximum possible record size. */ - rec_max_size += UT_BITS_IN_BYTES(new_index->n_nullable); - } else { - /* For each column, include a 2-byte offset and a - "null" flag. The 1-byte format is only used in short - records that do not contain externally stored columns. - Such records could never exceed the page limit, even - when using the 2-byte format. */ - rec_max_size += 2 * new_index->n_fields; - } - - /* Compute the maximum possible record size. */ - for (i = 0; i < new_index->n_fields; i++) { - const dict_field_t* field - = dict_index_get_nth_field(new_index, i); - const dict_col_t* col - = dict_field_get_col(field); - ulint field_max_size; - ulint field_ext_max_size; - - /* In dtuple_convert_big_rec(), variable-length columns - that are longer than BTR_EXTERN_FIELD_REF_SIZE * 2 - may be chosen for external storage. - - Fixed-length columns, and all columns of secondary - index records are always stored inline. */ - - /* Determine the maximum length of the index field. - The field_ext_max_size should be computed as the worst - case in rec_get_converted_size_comp() for - REC_STATUS_ORDINARY records. */ - - field_max_size = dict_col_get_fixed_size(col, comp); - if (field_max_size) { - /* dict_index_add_col() should guarantee this */ - ut_ad(!field->prefix_len - || field->fixed_len == field->prefix_len); - /* Fixed lengths are not encoded - in ROW_FORMAT=COMPACT. */ - field_ext_max_size = 0; - goto add_field_size; - } - - field_max_size = dict_col_get_max_size(col); - field_ext_max_size = field_max_size < 256 ? 1 : 2; - - if (field->prefix_len) { - if (field->prefix_len < field_max_size) { - field_max_size = field->prefix_len; - } - } else if (field_max_size > BTR_EXTERN_FIELD_REF_SIZE * 2 - && dict_index_is_clust(new_index)) { - - /* In the worst case, we have a locally stored - column of BTR_EXTERN_FIELD_REF_SIZE * 2 bytes. - The length can be stored in one byte. If the - column were stored externally, the lengths in - the clustered index page would be - BTR_EXTERN_FIELD_REF_SIZE and 2. */ - field_max_size = BTR_EXTERN_FIELD_REF_SIZE * 2; - field_ext_max_size = 1; - } - - if (comp) { - /* Add the extra size for ROW_FORMAT=COMPACT. - For ROW_FORMAT=REDUNDANT, these bytes were - added to rec_max_size before this loop. */ - rec_max_size += field_ext_max_size; - } -add_field_size: - rec_max_size += field_max_size; - - /* Check the size limit on leaf pages. */ - if (UNIV_UNLIKELY(rec_max_size >= page_rec_max)) { - - return(TRUE); - } - - /* Check the size limit on non-leaf pages. Records - stored in non-leaf B-tree pages consist of the unique - columns of the record (the key columns of the B-tree) - and a node pointer field. When we have processed the - unique columns, rec_max_size equals the size of the - node pointer record minus the node pointer column. */ - if (i + 1 == dict_index_get_n_unique_in_tree(new_index) - && rec_max_size + REC_NODE_PTR_SIZE >= page_ptr_max) { - - return(TRUE); - } - } - - return(FALSE); -} - -/**********************************************************************//** -Adds an index to the dictionary cache. -@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ -UNIV_INTERN -ulint -dict_index_add_to_cache( -/*====================*/ - dict_table_t* table, /*!< in: table on which the index is */ - dict_index_t* index, /*!< in, own: index; NOTE! The index memory - object is freed in this function! */ - ulint page_no,/*!< in: root page number of the index */ - ibool strict) /*!< in: TRUE=refuse to create the index - if records could be too big to fit in - an B-tree page */ -{ - dict_index_t* new_index; - ulint n_ord; - ulint i; - - ut_ad(index); - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(index->n_def == index->n_fields); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - ut_ad(mem_heap_validate(index->heap)); - ut_a(!dict_index_is_clust(index) - || UT_LIST_GET_LEN(table->indexes) == 0); - - if (!dict_index_find_cols(table, index)) { - - dict_mem_index_free(index); - return(DB_CORRUPTION); - } - - /* Build the cache internal representation of the index, - containing also the added system fields */ - - if (dict_index_is_clust(index)) { - new_index = dict_index_build_internal_clust(table, index); - } else { - new_index = dict_index_build_internal_non_clust(table, index); - } - - /* Set the n_fields value in new_index to the actual defined - number of fields in the cache internal representation */ - - new_index->n_fields = new_index->n_def; - - if (strict && dict_index_too_big_for_tree(table, new_index)) { -too_big: - dict_mem_index_free(new_index); - dict_mem_index_free(index); - return(DB_TOO_BIG_RECORD); - } - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - n_ord = new_index->n_fields; - } else { - n_ord = new_index->n_uniq; - } - - switch (dict_table_get_format(table)) { - case DICT_TF_FORMAT_51: - /* ROW_FORMAT=REDUNDANT and ROW_FORMAT=COMPACT store - prefixes of externally stored columns locally within - the record. There are no special considerations for - the undo log record size. */ - goto undo_size_ok; - - case DICT_TF_FORMAT_ZIP: - /* In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, - column prefix indexes require that prefixes of - externally stored columns are written to the undo log. - This may make the undo log record bigger than the - record on the B-tree page. The maximum size of an - undo log record is the page size. That must be - checked for below. */ - break; - -#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX -# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" -#endif - } - - for (i = 0; i < n_ord; i++) { - const dict_field_t* field - = dict_index_get_nth_field(new_index, i); - const dict_col_t* col - = dict_field_get_col(field); - - /* In dtuple_convert_big_rec(), variable-length columns - that are longer than BTR_EXTERN_FIELD_REF_SIZE * 2 - may be chosen for external storage. If the column appears - in an ordering column of an index, a longer prefix of - REC_MAX_INDEX_COL_LEN will be copied to the undo log - by trx_undo_page_report_modify() and - trx_undo_page_fetch_ext(). It suffices to check the - capacity of the undo log whenever new_index includes - a column prefix on a column that may be stored externally. */ - - if (field->prefix_len /* prefix index */ - && !col->ord_part /* not yet ordering column */ - && !dict_col_get_fixed_size(col, TRUE) /* variable-length */ - && dict_col_get_max_size(col) - > BTR_EXTERN_FIELD_REF_SIZE * 2 /* long enough */) { - - if (dict_index_too_big_for_undo(table, new_index)) { - /* An undo log record might not fit in - a single page. Refuse to create this index. */ - - goto too_big; - } - - break; - } - } - -undo_size_ok: - /* Flag the ordering columns */ - - for (i = 0; i < n_ord; i++) { - - dict_index_get_nth_field(new_index, i)->col->ord_part = 1; - } - - /* Add the new index as the last index for the table */ - - UT_LIST_ADD_LAST(indexes, table->indexes, new_index); - new_index->table = table; - new_index->table_name = table->name; - - new_index->search_info = btr_search_info_create(new_index->heap); - - new_index->stat_index_size = 1; - new_index->stat_n_leaf_pages = 1; - - new_index->page = page_no; - rw_lock_create(&new_index->lock, SYNC_INDEX_TREE); - - if (!UNIV_UNLIKELY(new_index->type & DICT_UNIVERSAL)) { - - new_index->stat_n_diff_key_vals = mem_heap_alloc( - new_index->heap, - (1 + dict_index_get_n_unique(new_index)) - * sizeof(ib_int64_t)); - /* Give some sensible values to stat_n_... in case we do - not calculate statistics quickly enough */ - - for (i = 0; i <= dict_index_get_n_unique(new_index); i++) { - - new_index->stat_n_diff_key_vals[i] = 100; - } - } - - dict_sys->size += mem_heap_get_size(new_index->heap); - - dict_mem_index_free(index); - - return(DB_SUCCESS); -} - -/**********************************************************************//** -Removes an index from the dictionary cache. */ -UNIV_INTERN -void -dict_index_remove_from_cache( -/*=========================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index) /*!< in, own: index */ -{ - ulint size; - ulint retries = 0; - btr_search_t* info; - - ut_ad(table && index); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - ut_ad(mutex_own(&(dict_sys->mutex))); - - /* We always create search info whether or not adaptive - hash index is enabled or not. */ - info = index->search_info; - ut_ad(info); - - /* We are not allowed to free the in-memory index struct - dict_index_t until all entries in the adaptive hash index - that point to any of the page belonging to his b-tree index - are dropped. This is so because dropping of these entries - require access to dict_index_t struct. To avoid such scenario - We keep a count of number of such pages in the search_info and - only free the dict_index_t struct when this count drops to - zero. */ - - for (;;) { - ulint ref_count = btr_search_info_get_ref_count(info); - if (ref_count == 0) { - break; - } - - /* Sleep for 10ms before trying again. */ - os_thread_sleep(10000); - ++retries; - - if (retries % 500 == 0) { - /* No luck after 5 seconds of wait. */ - fprintf(stderr, "InnoDB: Error: Waited for" - " %lu secs for hash index" - " ref_count (%lu) to drop" - " to 0.\n" - "index: \"%s\"" - " table: \"%s\"\n", - retries/100, - ref_count, - index->name, - table->name); - } - - /* To avoid a hang here we commit suicide if the - ref_count doesn't drop to zero in 600 seconds. */ - if (retries >= 60000) { - ut_error; - } - } - - rw_lock_free(&index->lock); - - /* Remove the index from the list of indexes of the table */ - UT_LIST_REMOVE(indexes, table->indexes, index); - - size = mem_heap_get_size(index->heap); - - ut_ad(dict_sys->size >= size); - - dict_sys->size -= size; - - dict_mem_index_free(index); -} - -/*******************************************************************//** -Tries to find column names for the index and sets the col field of the -index. -@return TRUE if the column names were found */ -static -ibool -dict_index_find_cols( -/*=================*/ - dict_table_t* table, /*!< in: table */ - dict_index_t* index) /*!< in: index */ -{ - ulint i; - - ut_ad(table && index); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_ad(mutex_own(&(dict_sys->mutex))); - - for (i = 0; i < index->n_fields; i++) { - ulint j; - dict_field_t* field = dict_index_get_nth_field(index, i); - - for (j = 0; j < table->n_cols; j++) { - if (!strcmp(dict_table_get_col_name(table, j), - field->name)) { - field->col = dict_table_get_nth_col(table, j); - - goto found; - } - } - -#ifdef UNIV_DEBUG - /* It is an error not to find a matching column. */ - fputs("InnoDB: Error: no matching column for ", stderr); - ut_print_name(stderr, NULL, FALSE, field->name); - fputs(" in ", stderr); - dict_index_name_print(stderr, NULL, index); - fputs("!\n", stderr); -#endif /* UNIV_DEBUG */ - return(FALSE); - -found: - ; - } - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ - -/*******************************************************************//** -Adds a column to index. */ -UNIV_INTERN -void -dict_index_add_col( -/*===============*/ - dict_index_t* index, /*!< in/out: index */ - const dict_table_t* table, /*!< in: table */ - dict_col_t* col, /*!< in: column */ - ulint prefix_len) /*!< in: column prefix length */ -{ - dict_field_t* field; - const char* col_name; - - col_name = dict_table_get_col_name(table, dict_col_get_no(col)); - - dict_mem_index_add_field(index, col_name, prefix_len); - - field = dict_index_get_nth_field(index, index->n_def - 1); - - field->col = col; - field->fixed_len = (unsigned int) dict_col_get_fixed_size( - col, dict_table_is_comp(table)); - - if (prefix_len && field->fixed_len > prefix_len) { - field->fixed_len = (unsigned int) prefix_len; - } - - /* Long fixed-length fields that need external storage are treated as - variable-length fields, so that the extern flag can be embedded in - the length word. */ - - if (field->fixed_len > DICT_MAX_INDEX_COL_LEN) { - field->fixed_len = 0; - } -#if DICT_MAX_INDEX_COL_LEN != 768 - /* The comparison limit above must be constant. If it were - changed, the disk format of some fixed-length columns would - change, which would be a disaster. */ -# error "DICT_MAX_INDEX_COL_LEN != 768" -#endif - - if (!(col->prtype & DATA_NOT_NULL)) { - index->n_nullable++; - } -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Copies fields contained in index2 to index1. */ -static -void -dict_index_copy( -/*============*/ - dict_index_t* index1, /*!< in: index to copy to */ - dict_index_t* index2, /*!< in: index to copy from */ - const dict_table_t* table, /*!< in: table */ - ulint start, /*!< in: first position to copy */ - ulint end) /*!< in: last position to copy */ -{ - dict_field_t* field; - ulint i; - - /* Copy fields contained in index2 */ - - for (i = start; i < end; i++) { - - field = dict_index_get_nth_field(index2, i); - dict_index_add_col(index1, table, field->col, - field->prefix_len); - } -} - -/*******************************************************************//** -Copies types of fields contained in index to tuple. */ -UNIV_INTERN -void -dict_index_copy_types( -/*==================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const dict_index_t* index, /*!< in: index */ - ulint n_fields) /*!< in: number of - field types to copy */ -{ - ulint i; - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - dtuple_set_types_binary(tuple, n_fields); - - return; - } - - for (i = 0; i < n_fields; i++) { - const dict_field_t* ifield; - dtype_t* dfield_type; - - ifield = dict_index_get_nth_field(index, i); - dfield_type = dfield_get_type(dtuple_get_nth_field(tuple, i)); - dict_col_copy_type(dict_field_get_col(ifield), dfield_type); - } -} - -/*******************************************************************//** -Copies types of columns contained in table to tuple and sets all -fields of the tuple to the SQL NULL value. This function should -be called right after dtuple_create(). */ -UNIV_INTERN -void -dict_table_copy_types( -/*==================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const dict_table_t* table) /*!< in: table */ -{ - ulint i; - - for (i = 0; i < dtuple_get_n_fields(tuple); i++) { - - dfield_t* dfield = dtuple_get_nth_field(tuple, i); - dtype_t* dtype = dfield_get_type(dfield); - - dfield_set_null(dfield); - dict_col_copy_type(dict_table_get_nth_col(table, i), dtype); - } -} - -/*******************************************************************//** -Builds the internal dictionary cache representation for a clustered -index, containing also system fields not defined by the user. -@return own: the internal representation of the clustered index */ -static -dict_index_t* -dict_index_build_internal_clust( -/*============================*/ - const dict_table_t* table, /*!< in: table */ - dict_index_t* index) /*!< in: user representation of - a clustered index */ -{ - dict_index_t* new_index; - dict_field_t* field; - ulint fixed_size; - ulint trx_id_pos; - ulint i; - ibool* indexed; - - ut_ad(table && index); - ut_ad(dict_index_is_clust(index)); - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - /* Create a new index object with certainly enough fields */ - new_index = dict_mem_index_create(table->name, - index->name, table->space, - index->type, - index->n_fields + table->n_cols); - - /* Copy other relevant data from the old index struct to the new - struct: it inherits the values */ - - new_index->n_user_defined_cols = index->n_fields; - - new_index->id = index->id; - - /* Copy the fields of index */ - dict_index_copy(new_index, index, table, 0, index->n_fields); - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - /* No fixed number of fields determines an entry uniquely */ - - new_index->n_uniq = REC_MAX_N_FIELDS; - - } else if (dict_index_is_unique(index)) { - /* Only the fields defined so far are needed to identify - the index entry uniquely */ - - new_index->n_uniq = new_index->n_def; - } else { - /* Also the row id is needed to identify the entry */ - new_index->n_uniq = 1 + new_index->n_def; - } - - new_index->trx_id_offset = 0; - - if (!dict_index_is_ibuf(index)) { - /* Add system columns, trx id first */ - - trx_id_pos = new_index->n_def; - -#if DATA_ROW_ID != 0 -# error "DATA_ROW_ID != 0" -#endif -#if DATA_TRX_ID != 1 -# error "DATA_TRX_ID != 1" -#endif -#if DATA_ROLL_PTR != 2 -# error "DATA_ROLL_PTR != 2" -#endif - - if (!dict_index_is_unique(index)) { - dict_index_add_col(new_index, table, - dict_table_get_sys_col( - table, DATA_ROW_ID), - 0); - trx_id_pos++; - } - - dict_index_add_col(new_index, table, - dict_table_get_sys_col(table, DATA_TRX_ID), - 0); - - dict_index_add_col(new_index, table, - dict_table_get_sys_col(table, - DATA_ROLL_PTR), - 0); - - for (i = 0; i < trx_id_pos; i++) { - - fixed_size = dict_col_get_fixed_size( - dict_index_get_nth_col(new_index, i), - dict_table_is_comp(table)); - - if (fixed_size == 0) { - new_index->trx_id_offset = 0; - - break; - } - - if (dict_index_get_nth_field(new_index, i)->prefix_len - > 0) { - new_index->trx_id_offset = 0; - - break; - } - - new_index->trx_id_offset += (unsigned int) fixed_size; - } - - } - - /* Remember the table columns already contained in new_index */ - indexed = mem_zalloc(table->n_cols * sizeof *indexed); - - /* Mark the table columns already contained in new_index */ - for (i = 0; i < new_index->n_def; i++) { - - field = dict_index_get_nth_field(new_index, i); - - /* If there is only a prefix of the column in the index - field, do not mark the column as contained in the index */ - - if (field->prefix_len == 0) { - - indexed[field->col->ind] = TRUE; - } - } - - /* Add to new_index non-system columns of table not yet included - there */ - for (i = 0; i + DATA_N_SYS_COLS < (ulint) table->n_cols; i++) { - - dict_col_t* col = dict_table_get_nth_col(table, i); - ut_ad(col->mtype != DATA_SYS); - - if (!indexed[col->ind]) { - dict_index_add_col(new_index, table, col, 0); - } - } - - mem_free(indexed); - - ut_ad(dict_index_is_ibuf(index) - || (UT_LIST_GET_LEN(table->indexes) == 0)); - - new_index->cached = TRUE; - - return(new_index); -} - -/*******************************************************************//** -Builds the internal dictionary cache representation for a non-clustered -index, containing also system fields not defined by the user. -@return own: the internal representation of the non-clustered index */ -static -dict_index_t* -dict_index_build_internal_non_clust( -/*================================*/ - const dict_table_t* table, /*!< in: table */ - dict_index_t* index) /*!< in: user representation of - a non-clustered index */ -{ - dict_field_t* field; - dict_index_t* new_index; - dict_index_t* clust_index; - ulint i; - ibool* indexed; - - ut_ad(table && index); - ut_ad(!dict_index_is_clust(index)); - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - /* The clustered index should be the first in the list of indexes */ - clust_index = UT_LIST_GET_FIRST(table->indexes); - - ut_ad(clust_index); - ut_ad(dict_index_is_clust(clust_index)); - ut_ad(!(clust_index->type & DICT_UNIVERSAL)); - - /* Create a new index */ - new_index = dict_mem_index_create( - table->name, index->name, index->space, index->type, - index->n_fields + 1 + clust_index->n_uniq); - - /* Copy other relevant data from the old index - struct to the new struct: it inherits the values */ - - new_index->n_user_defined_cols = index->n_fields; - - new_index->id = index->id; - - /* Copy fields from index to new_index */ - dict_index_copy(new_index, index, table, 0, index->n_fields); - - /* Remember the table columns already contained in new_index */ - indexed = mem_zalloc(table->n_cols * sizeof *indexed); - - /* Mark the table columns already contained in new_index */ - for (i = 0; i < new_index->n_def; i++) { - - field = dict_index_get_nth_field(new_index, i); - - /* If there is only a prefix of the column in the index - field, do not mark the column as contained in the index */ - - if (field->prefix_len == 0) { - - indexed[field->col->ind] = TRUE; - } - } - - /* Add to new_index the columns necessary to determine the clustered - index entry uniquely */ - - for (i = 0; i < clust_index->n_uniq; i++) { - - field = dict_index_get_nth_field(clust_index, i); - - if (!indexed[field->col->ind]) { - dict_index_add_col(new_index, table, field->col, - field->prefix_len); - } - } - - mem_free(indexed); - - if (dict_index_is_unique(index)) { - new_index->n_uniq = index->n_fields; - } else { - new_index->n_uniq = new_index->n_def; - } - - /* Set the n_fields value in new_index to the actual defined - number of fields */ - - new_index->n_fields = new_index->n_def; - - new_index->cached = TRUE; - - return(new_index); -} - -/*====================== FOREIGN KEY PROCESSING ========================*/ - -/*********************************************************************//** -Checks if a table is referenced by foreign keys. -@return TRUE if table is referenced by a foreign key */ -UNIV_INTERN -ibool -dict_table_is_referenced_by_foreign_key( -/*====================================*/ - const dict_table_t* table) /*!< in: InnoDB table */ -{ - return(UT_LIST_GET_LEN(table->referenced_list) > 0); -} - -/*********************************************************************//** -Check if the index is referenced by a foreign key, if TRUE return foreign -else return NULL -@return pointer to foreign key struct if index is defined for foreign -key, otherwise NULL */ -UNIV_INTERN -dict_foreign_t* -dict_table_get_referenced_constraint( -/*=================================*/ - dict_table_t* table, /*!< in: InnoDB table */ - dict_index_t* index) /*!< in: InnoDB index */ -{ - dict_foreign_t* foreign; - - ut_ad(index != NULL); - ut_ad(table != NULL); - - for (foreign = UT_LIST_GET_FIRST(table->referenced_list); - foreign; - foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { - - if (foreign->referenced_index == index) { - - return(foreign); - } - } - - return(NULL); -} - -/*********************************************************************//** -Checks if a index is defined for a foreign key constraint. Index is a part -of a foreign key constraint if the index is referenced by foreign key -or index is a foreign key index. -@return pointer to foreign key struct if index is defined for foreign -key, otherwise NULL */ -UNIV_INTERN -dict_foreign_t* -dict_table_get_foreign_constraint( -/*==============================*/ - dict_table_t* table, /*!< in: InnoDB table */ - dict_index_t* index) /*!< in: InnoDB index */ -{ - dict_foreign_t* foreign; - - ut_ad(index != NULL); - ut_ad(table != NULL); - - for (foreign = UT_LIST_GET_FIRST(table->foreign_list); - foreign; - foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - - if (foreign->foreign_index == index - || foreign->referenced_index == index) { - - return(foreign); - } - } - - return(NULL); -} - -/*********************************************************************//** -Frees a foreign key struct. */ -static -void -dict_foreign_free( -/*==============*/ - dict_foreign_t* foreign) /*!< in, own: foreign key struct */ -{ - mem_heap_free(foreign->heap); -} - -/**********************************************************************//** -Removes a foreign constraint struct from the dictionary cache. */ -static -void -dict_foreign_remove_from_cache( -/*===========================*/ - dict_foreign_t* foreign) /*!< in, own: foreign constraint */ -{ - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_a(foreign); - - if (foreign->referenced_table) { - UT_LIST_REMOVE(referenced_list, - foreign->referenced_table->referenced_list, - foreign); - } - - if (foreign->foreign_table) { - UT_LIST_REMOVE(foreign_list, - foreign->foreign_table->foreign_list, - foreign); - } - - dict_foreign_free(foreign); -} - -/**********************************************************************//** -Looks for the foreign constraint from the foreign and referenced lists -of a table. -@return foreign constraint */ -static -dict_foreign_t* -dict_foreign_find( -/*==============*/ - dict_table_t* table, /*!< in: table object */ - const char* id) /*!< in: foreign constraint id */ -{ - dict_foreign_t* foreign; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign) { - if (ut_strcmp(id, foreign->id) == 0) { - - return(foreign); - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign) { - if (ut_strcmp(id, foreign->id) == 0) { - - return(foreign); - } - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - return(NULL); -} - -/*********************************************************************//** -Tries to find an index whose first fields are the columns in the array, -in the same order and is not marked for deletion and is not the same -as types_idx. -@return matching index, NULL if not found */ -static -dict_index_t* -dict_foreign_find_index( -/*====================*/ - dict_table_t* table, /*!< in: table */ - const char** columns,/*!< in: array of column names */ - ulint n_cols, /*!< in: number of columns */ - dict_index_t* types_idx, /*!< in: NULL or an index to whose types the - column types must match */ - ibool check_charsets, - /*!< in: whether to check charsets. - only has an effect if types_idx != NULL */ - ulint check_null) - /*!< in: nonzero if none of the columns must - be declared NOT NULL */ -{ - dict_index_t* index; - - index = dict_table_get_first_index(table); - - while (index != NULL) { - /* Ignore matches that refer to the same instance - or the index is to be dropped */ - if (index->to_be_dropped || types_idx == index) { - - goto next_rec; - - } else if (dict_index_get_n_fields(index) >= n_cols) { - ulint i; - - for (i = 0; i < n_cols; i++) { - dict_field_t* field; - const char* col_name; - - field = dict_index_get_nth_field(index, i); - - col_name = dict_table_get_col_name( - table, dict_col_get_no(field->col)); - - if (field->prefix_len != 0) { - /* We do not accept column prefix - indexes here */ - - break; - } - - if (0 != innobase_strcasecmp(columns[i], - col_name)) { - break; - } - - if (check_null - && (field->col->prtype & DATA_NOT_NULL)) { - - return(NULL); - } - - if (types_idx && !cmp_cols_are_equal( - dict_index_get_nth_col(index, i), - dict_index_get_nth_col(types_idx, - i), - check_charsets)) { - - break; - } - } - - if (i == n_cols) { - /* We found a matching index */ - - return(index); - } - } - -next_rec: - index = dict_table_get_next_index(index); - } - - return(NULL); -} - -/**********************************************************************//** -Find an index that is equivalent to the one passed in and is not marked -for deletion. -@return index equivalent to foreign->foreign_index, or NULL */ -UNIV_INTERN -dict_index_t* -dict_foreign_find_equiv_index( -/*==========================*/ - dict_foreign_t* foreign)/*!< in: foreign key */ -{ - ut_a(foreign != NULL); - - /* Try to find an index which contains the columns as the - first fields and in the right order, and the types are the - same as in foreign->foreign_index */ - - return(dict_foreign_find_index( - foreign->foreign_table, - foreign->foreign_col_names, foreign->n_fields, - foreign->foreign_index, TRUE, /* check types */ - FALSE/* allow columns to be NULL */)); -} - -/**********************************************************************//** -Returns an index object by matching on the name and column names and -if more than one index matches return the index with the max id -@return matching index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_by_max_id( -/*===========================*/ - dict_table_t* table, /*!< in: table */ - const char* name, /*!< in: the index name to find */ - const char** columns,/*!< in: array of column names */ - ulint n_cols) /*!< in: number of columns */ -{ - dict_index_t* index; - dict_index_t* found; - - found = NULL; - index = dict_table_get_first_index(table); - - while (index != NULL) { - if (ut_strcmp(index->name, name) == 0 - && dict_index_get_n_ordering_defined_by_user(index) - == n_cols) { - - ulint i; - - for (i = 0; i < n_cols; i++) { - dict_field_t* field; - const char* col_name; - - field = dict_index_get_nth_field(index, i); - - col_name = dict_table_get_col_name( - table, dict_col_get_no(field->col)); - - if (0 != innobase_strcasecmp( - columns[i], col_name)) { - - break; - } - } - - if (i == n_cols) { - /* We found a matching index, select - the index with the higher id*/ - - if (!found - || ut_dulint_cmp(index->id, found->id) > 0) { - - found = index; - } - } - } - - index = dict_table_get_next_index(index); - } - - return(found); -} - -/**********************************************************************//** -Report an error in a foreign key definition. */ -static -void -dict_foreign_error_report_low( -/*==========================*/ - FILE* file, /*!< in: output stream */ - const char* name) /*!< in: table name */ -{ - rewind(file); - ut_print_timestamp(file); - fprintf(file, " Error in foreign key constraint of table %s:\n", - name); -} - -/**********************************************************************//** -Report an error in a foreign key definition. */ -static -void -dict_foreign_error_report( -/*======================*/ - FILE* file, /*!< in: output stream */ - dict_foreign_t* fk, /*!< in: foreign key constraint */ - const char* msg) /*!< in: the error message */ -{ - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(file, fk->foreign_table_name); - fputs(msg, file); - fputs(" Constraint:\n", file); - dict_print_info_on_foreign_key_in_create_format(file, NULL, fk, TRUE); - putc('\n', file); - if (fk->foreign_index) { - fputs("The index in the foreign key in table is ", file); - ut_print_name(file, NULL, FALSE, fk->foreign_index->name); - fputs("\n" - "See " REFMAN "innodb-foreign-key-constraints.html\n" - "for correct foreign key definition.\n", - file); - } - mutex_exit(&dict_foreign_err_mutex); -} - -/**********************************************************************//** -Adds a foreign key constraint object to the dictionary cache. May free -the object if there already is an object with the same identifier in. -At least one of the foreign table and the referenced table must already -be in the dictionary cache! -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_foreign_add_to_cache( -/*======================*/ - dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ - ibool check_charsets) /*!< in: TRUE=check charset - compatibility */ -{ - dict_table_t* for_table; - dict_table_t* ref_table; - dict_foreign_t* for_in_cache = NULL; - dict_index_t* index; - ibool added_to_referenced_list= FALSE; - FILE* ef = dict_foreign_err_file; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - for_table = dict_table_check_if_in_cache_low( - foreign->foreign_table_name); - - ref_table = dict_table_check_if_in_cache_low( - foreign->referenced_table_name); - ut_a(for_table || ref_table); - - if (for_table) { - for_in_cache = dict_foreign_find(for_table, foreign->id); - } - - if (!for_in_cache && ref_table) { - for_in_cache = dict_foreign_find(ref_table, foreign->id); - } - - if (for_in_cache) { - /* Free the foreign object */ - mem_heap_free(foreign->heap); - } else { - for_in_cache = foreign; - } - - if (for_in_cache->referenced_table == NULL && ref_table) { - index = dict_foreign_find_index( - ref_table, - for_in_cache->referenced_col_names, - for_in_cache->n_fields, for_in_cache->foreign_index, - check_charsets, FALSE); - - if (index == NULL) { - dict_foreign_error_report( - ef, for_in_cache, - "there is no index in referenced table" - " which would contain\n" - "the columns as the first columns," - " or the data types in the\n" - "referenced table do not match" - " the ones in table."); - - if (for_in_cache == foreign) { - mem_heap_free(foreign->heap); - } - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - for_in_cache->referenced_table = ref_table; - for_in_cache->referenced_index = index; - UT_LIST_ADD_LAST(referenced_list, - ref_table->referenced_list, - for_in_cache); - added_to_referenced_list = TRUE; - } - - if (for_in_cache->foreign_table == NULL && for_table) { - index = dict_foreign_find_index( - for_table, - for_in_cache->foreign_col_names, - for_in_cache->n_fields, - for_in_cache->referenced_index, check_charsets, - for_in_cache->type - & (DICT_FOREIGN_ON_DELETE_SET_NULL - | DICT_FOREIGN_ON_UPDATE_SET_NULL)); - - if (index == NULL) { - dict_foreign_error_report( - ef, for_in_cache, - "there is no index in the table" - " which would contain\n" - "the columns as the first columns," - " or the data types in the\n" - "table do not match" - " the ones in the referenced table\n" - "or one of the ON ... SET NULL columns" - " is declared NOT NULL."); - - if (for_in_cache == foreign) { - if (added_to_referenced_list) { - UT_LIST_REMOVE( - referenced_list, - ref_table->referenced_list, - for_in_cache); - } - - mem_heap_free(foreign->heap); - } - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - for_in_cache->foreign_table = for_table; - for_in_cache->foreign_index = index; - UT_LIST_ADD_LAST(foreign_list, - for_table->foreign_list, - for_in_cache); - } - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Scans from pointer onwards. Stops if is at the start of a copy of -'string' where characters are compared without case sensitivity, and -only outside `` or "" quotes. Stops also at NUL. -@return scanned up to this */ -static -const char* -dict_scan_to( -/*=========*/ - const char* ptr, /*!< in: scan from */ - const char* string) /*!< in: look for this */ -{ - char quote = '\0'; - - for (; *ptr; ptr++) { - if (*ptr == quote) { - /* Closing quote character: do not look for - starting quote or the keyword. */ - quote = '\0'; - } else if (quote) { - /* Within quotes: do nothing. */ - } else if (*ptr == '`' || *ptr == '"') { - /* Starting quote: remember the quote character. */ - quote = *ptr; - } else { - /* Outside quotes: look for the keyword. */ - ulint i; - for (i = 0; string[i]; i++) { - if (toupper((int)(unsigned char)(ptr[i])) - != toupper((int)(unsigned char) - (string[i]))) { - goto nomatch; - } - } - break; -nomatch: - ; - } - } - - return(ptr); -} - -/*********************************************************************//** -Accepts a specified string. Comparisons are case-insensitive. -@return if string was accepted, the pointer is moved after that, else -ptr is returned */ -static -const char* -dict_accept( -/*========*/ - struct charset_info_st* cs,/*!< in: the character set of ptr */ - const char* ptr, /*!< in: scan from this */ - const char* string, /*!< in: accept only this string as the next - non-whitespace string */ - ibool* success)/*!< out: TRUE if accepted */ -{ - const char* old_ptr = ptr; - const char* old_ptr2; - - *success = FALSE; - - while (my_isspace(cs, *ptr)) { - ptr++; - } - - old_ptr2 = ptr; - - ptr = dict_scan_to(ptr, string); - - if (*ptr == '\0' || old_ptr2 != ptr) { - return(old_ptr); - } - - *success = TRUE; - - return(ptr + ut_strlen(string)); -} - -/*********************************************************************//** -Scans an id. For the lexical definition of an 'id', see the code below. -Strips backquotes or double quotes from around the id. -@return scanned to */ -static -const char* -dict_scan_id( -/*=========*/ - struct charset_info_st* cs,/*!< in: the character set of ptr */ - const char* ptr, /*!< in: scanned to */ - mem_heap_t* heap, /*!< in: heap where to allocate the id - (NULL=id will not be allocated, but it - will point to string near ptr) */ - const char** id, /*!< out,own: the id; NULL if no id was - scannable */ - ibool table_id,/*!< in: TRUE=convert the allocated id - as a table name; FALSE=convert to UTF-8 */ - ibool accept_also_dot) - /*!< in: TRUE if also a dot can appear in a - non-quoted id; in a quoted id it can appear - always */ -{ - char quote = '\0'; - ulint len = 0; - const char* s; - char* str; - char* dst; - - *id = NULL; - - while (my_isspace(cs, *ptr)) { - ptr++; - } - - if (*ptr == '\0') { - - return(ptr); - } - - if (*ptr == '`' || *ptr == '"') { - quote = *ptr++; - } - - s = ptr; - - if (quote) { - for (;;) { - if (!*ptr) { - /* Syntax error */ - return(ptr); - } - if (*ptr == quote) { - ptr++; - if (*ptr != quote) { - break; - } - } - ptr++; - len++; - } - } else { - while (!my_isspace(cs, *ptr) && *ptr != '(' && *ptr != ')' - && (accept_also_dot || *ptr != '.') - && *ptr != ',' && *ptr != '\0') { - - ptr++; - } - - len = ptr - s; - } - - if (UNIV_UNLIKELY(!heap)) { - /* no heap given: id will point to source string */ - *id = s; - return(ptr); - } - - if (quote) { - char* d; - str = d = mem_heap_alloc(heap, len + 1); - while (len--) { - if ((*d++ = *s++) == quote) { - s++; - } - } - *d++ = 0; - len = d - str; - ut_ad(*s == quote); - ut_ad(s + 1 == ptr); - } else { - str = mem_heap_strdupl(heap, s, len); - } - - if (!table_id) { -convert_id: - /* Convert the identifier from connection character set - to UTF-8. */ - len = 3 * len + 1; - *id = dst = mem_heap_alloc(heap, len); - - innobase_convert_from_id(cs, dst, str, len); - } else if (!strncmp(str, srv_mysql50_table_name_prefix, - sizeof srv_mysql50_table_name_prefix)) { - /* This is a pre-5.1 table name - containing chars other than [A-Za-z0-9]. - Discard the prefix and use raw UTF-8 encoding. */ - str += sizeof srv_mysql50_table_name_prefix; - len -= sizeof srv_mysql50_table_name_prefix; - goto convert_id; - } else { - /* Encode using filename-safe characters. */ - len = 5 * len + 1; - *id = dst = mem_heap_alloc(heap, len); - - innobase_convert_from_table_id(cs, dst, str, len); - } - - return(ptr); -} - -/*********************************************************************//** -Tries to scan a column name. -@return scanned to */ -static -const char* -dict_scan_col( -/*==========*/ - struct charset_info_st* cs, /*!< in: the character set of ptr */ - const char* ptr, /*!< in: scanned to */ - ibool* success,/*!< out: TRUE if success */ - dict_table_t* table, /*!< in: table in which the column is */ - const dict_col_t** column, /*!< out: pointer to column if success */ - mem_heap_t* heap, /*!< in: heap where to allocate */ - const char** name) /*!< out,own: the column name; - NULL if no name was scannable */ -{ - ulint i; - - *success = FALSE; - - ptr = dict_scan_id(cs, ptr, heap, name, FALSE, TRUE); - - if (*name == NULL) { - - return(ptr); /* Syntax error */ - } - - if (table == NULL) { - *success = TRUE; - *column = NULL; - } else { - for (i = 0; i < dict_table_get_n_cols(table); i++) { - - const char* col_name = dict_table_get_col_name( - table, i); - - if (0 == innobase_strcasecmp(col_name, *name)) { - /* Found */ - - *success = TRUE; - *column = dict_table_get_nth_col(table, i); - strcpy((char*) *name, col_name); - - break; - } - } - } - - return(ptr); -} - -/*********************************************************************//** -Scans a table name from an SQL string. -@return scanned to */ -static -const char* -dict_scan_table_name( -/*=================*/ - struct charset_info_st* cs,/*!< in: the character set of ptr */ - const char* ptr, /*!< in: scanned to */ - dict_table_t** table, /*!< out: table object or NULL */ - const char* name, /*!< in: foreign key table name */ - ibool* success,/*!< out: TRUE if ok name found */ - mem_heap_t* heap, /*!< in: heap where to allocate the id */ - const char** ref_name)/*!< out,own: the table name; - NULL if no name was scannable */ -{ - const char* database_name = NULL; - ulint database_name_len = 0; - const char* table_name = NULL; - ulint table_name_len; - const char* scan_name; - char* ref; - - *success = FALSE; - *table = NULL; - - ptr = dict_scan_id(cs, ptr, heap, &scan_name, TRUE, FALSE); - - if (scan_name == NULL) { - - return(ptr); /* Syntax error */ - } - - if (*ptr == '.') { - /* We scanned the database name; scan also the table name */ - - ptr++; - - database_name = scan_name; - database_name_len = strlen(database_name); - - ptr = dict_scan_id(cs, ptr, heap, &table_name, TRUE, FALSE); - - if (table_name == NULL) { - - return(ptr); /* Syntax error */ - } - } else { - /* To be able to read table dumps made with InnoDB-4.0.17 or - earlier, we must allow the dot separator between the database - name and the table name also to appear within a quoted - identifier! InnoDB used to print a constraint as: - ... REFERENCES `databasename.tablename` ... - starting from 4.0.18 it is - ... REFERENCES `databasename`.`tablename` ... */ - const char* s; - - for (s = scan_name; *s; s++) { - if (*s == '.') { - database_name = scan_name; - database_name_len = s - scan_name; - scan_name = ++s; - break;/* to do: multiple dots? */ - } - } - - table_name = scan_name; - } - - if (database_name == NULL) { - /* Use the database name of the foreign key table */ - - database_name = name; - database_name_len = dict_get_db_name_len(name); - } - - table_name_len = strlen(table_name); - - /* Copy database_name, '/', table_name, '\0' */ - ref = mem_heap_alloc(heap, database_name_len + table_name_len + 2); - memcpy(ref, database_name, database_name_len); - ref[database_name_len] = '/'; - memcpy(ref + database_name_len + 1, table_name, table_name_len + 1); -#ifndef __WIN__ - if (srv_lower_case_table_names) { -#endif /* !__WIN__ */ - /* The table name is always put to lower case on Windows. */ - innobase_casedn_str(ref); -#ifndef __WIN__ - } -#endif /* !__WIN__ */ - - *success = TRUE; - *ref_name = ref; - *table = dict_table_get_low(ref); - - return(ptr); -} - -/*********************************************************************//** -Skips one id. The id is allowed to contain also '.'. -@return scanned to */ -static -const char* -dict_skip_word( -/*===========*/ - struct charset_info_st* cs,/*!< in: the character set of ptr */ - const char* ptr, /*!< in: scanned to */ - ibool* success)/*!< out: TRUE if success, FALSE if just spaces - left in string or a syntax error */ -{ - const char* start; - - *success = FALSE; - - ptr = dict_scan_id(cs, ptr, NULL, &start, FALSE, TRUE); - - if (start) { - *success = TRUE; - } - - return(ptr); -} - -/*********************************************************************//** -Removes MySQL comments from an SQL string. A comment is either -(a) '#' to the end of the line, -(b) '--[space]' to the end of the line, or -(c) '[slash][asterisk]' till the next '[asterisk][slash]' (like the familiar -C comment syntax). -@return own: SQL string stripped from comments; the caller must free -this with mem_free()! */ -static -char* -dict_strip_comments( -/*================*/ - const char* sql_string) /*!< in: SQL string */ -{ - char* str; - const char* sptr; - char* ptr; - /* unclosed quote character (0 if none) */ - char quote = 0; - - str = mem_alloc(strlen(sql_string) + 1); - - sptr = sql_string; - ptr = str; - - for (;;) { -scan_more: - if (*sptr == '\0') { - *ptr = '\0'; - - ut_a(ptr <= str + strlen(sql_string)); - - return(str); - } - - if (*sptr == quote) { - /* Closing quote character: do not look for - starting quote or comments. */ - quote = 0; - } else if (quote) { - /* Within quotes: do not look for - starting quotes or comments. */ - } else if (*sptr == '"' || *sptr == '`' || *sptr == '\'') { - /* Starting quote: remember the quote character. */ - quote = *sptr; - } else if (*sptr == '#' - || (sptr[0] == '-' && sptr[1] == '-' - && sptr[2] == ' ')) { - for (;;) { - /* In Unix a newline is 0x0A while in Windows - it is 0x0D followed by 0x0A */ - - if (*sptr == (char)0x0A - || *sptr == (char)0x0D - || *sptr == '\0') { - - goto scan_more; - } - - sptr++; - } - } else if (!quote && *sptr == '/' && *(sptr + 1) == '*') { - for (;;) { - if (*sptr == '*' && *(sptr + 1) == '/') { - - sptr += 2; - - goto scan_more; - } - - if (*sptr == '\0') { - - goto scan_more; - } - - sptr++; - } - } - - *ptr = *sptr; - - ptr++; - sptr++; - } -} - -/*********************************************************************//** -Finds the highest [number] for foreign key constraints of the table. Looks -only at the >= 4.0.18-format id's, which are of the form -databasename/tablename_ibfk_[number]. -@return highest number, 0 if table has no new format foreign key constraints */ -static -ulint -dict_table_get_highest_foreign_id( -/*==============================*/ - dict_table_t* table) /*!< in: table in the dictionary memory cache */ -{ - dict_foreign_t* foreign; - char* endp; - ulint biggest_id = 0; - ulint id; - ulint len; - - ut_a(table); - - len = ut_strlen(table->name); - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign) { - if (ut_strlen(foreign->id) > ((sizeof dict_ibfk) - 1) + len - && 0 == ut_memcmp(foreign->id, table->name, len) - && 0 == ut_memcmp(foreign->id + len, - dict_ibfk, (sizeof dict_ibfk) - 1) - && foreign->id[len + ((sizeof dict_ibfk) - 1)] != '0') { - /* It is of the >= 4.0.18 format */ - - id = strtoul(foreign->id + len - + ((sizeof dict_ibfk) - 1), - &endp, 10); - if (*endp == '\0') { - ut_a(id != biggest_id); - - if (id > biggest_id) { - biggest_id = id; - } - } - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - return(biggest_id); -} - -/*********************************************************************//** -Reports a simple foreign key create clause syntax error. */ -static -void -dict_foreign_report_syntax_err( -/*===========================*/ - const char* name, /*!< in: table name */ - const char* start_of_latest_foreign, - /*!< in: start of the foreign key clause - in the SQL string */ - const char* ptr) /*!< in: place of the syntax error */ -{ - FILE* ef = dict_foreign_err_file; - - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\nSyntax error close to:\n%s\n", - start_of_latest_foreign, ptr); - mutex_exit(&dict_foreign_err_mutex); -} - -/*********************************************************************//** -Scans a table create SQL string and adds to the data dictionary the foreign -key constraints declared in the string. This function should be called after -the indexes for a table have been created. Each foreign key constraint must -be accompanied with indexes in both participating tables. The indexes are -allowed to contain more fields than mentioned in the constraint. -@return error code or DB_SUCCESS */ -static -ulint -dict_create_foreign_constraints_low( -/*================================*/ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap, /*!< in: memory heap */ - struct charset_info_st* cs,/*!< in: the character set of sql_string */ - const char* sql_string, - /*!< in: CREATE TABLE or ALTER TABLE statement - where foreign keys are declared like: - FOREIGN KEY (a, b) REFERENCES table2(c, d), - table2 can be written also with the database - name before it: test.table2; the default - database is the database of parameter name */ - const char* name, /*!< in: table full name in the normalized form - database_name/table_name */ - ibool reject_fks) - /*!< in: if TRUE, fail with error code - DB_CANNOT_ADD_CONSTRAINT if any foreign - keys are found. */ -{ - dict_table_t* table; - dict_table_t* referenced_table; - dict_table_t* table_to_alter; - ulint highest_id_so_far = 0; - dict_index_t* index; - dict_foreign_t* foreign; - const char* ptr = sql_string; - const char* start_of_latest_foreign = sql_string; - FILE* ef = dict_foreign_err_file; - const char* constraint_name; - ibool success; - ulint error; - const char* ptr1; - const char* ptr2; - ulint i; - ulint j; - ibool is_on_delete; - ulint n_on_deletes; - ulint n_on_updates; - const dict_col_t*columns[500]; - const char* column_names[500]; - const char* referenced_table_name; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - table = dict_table_get_low(name); - - if (table == NULL) { - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, - "Cannot find the table in the internal" - " data dictionary of InnoDB.\n" - "Create table statement:\n%s\n", sql_string); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_ERROR); - } - - /* First check if we are actually doing an ALTER TABLE, and in that - case look for the table being altered */ - - ptr = dict_accept(cs, ptr, "ALTER", &success); - - if (!success) { - - goto loop; - } - - ptr = dict_accept(cs, ptr, "TABLE", &success); - - if (!success) { - - goto loop; - } - - /* We are doing an ALTER TABLE: scan the table name we are altering */ - - ptr = dict_scan_table_name(cs, ptr, &table_to_alter, name, - &success, heap, &referenced_table_name); - if (!success) { - fprintf(stderr, - "InnoDB: Error: could not find" - " the table being ALTERED in:\n%s\n", - sql_string); - - return(DB_ERROR); - } - - /* Starting from 4.0.18 and 4.1.2, we generate foreign key id's in the - format databasename/tablename_ibfk_[number], where [number] is local - to the table; look for the highest [number] for table_to_alter, so - that we can assign to new constraints higher numbers. */ - - /* If we are altering a temporary table, the table name after ALTER - TABLE does not correspond to the internal table name, and - table_to_alter is NULL. TODO: should we fix this somehow? */ - - if (table_to_alter == NULL) { - highest_id_so_far = 0; - } else { - highest_id_so_far = dict_table_get_highest_foreign_id( - table_to_alter); - } - - /* Scan for foreign key declarations in a loop */ -loop: - /* Scan either to "CONSTRAINT" or "FOREIGN", whichever is closer */ - - ptr1 = dict_scan_to(ptr, "CONSTRAINT"); - ptr2 = dict_scan_to(ptr, "FOREIGN"); - - constraint_name = NULL; - - if (ptr1 < ptr2) { - /* The user may have specified a constraint name. Pick it so - that we can store 'databasename/constraintname' as the id of - of the constraint to system tables. */ - ptr = ptr1; - - ptr = dict_accept(cs, ptr, "CONSTRAINT", &success); - - ut_a(success); - - if (!my_isspace(cs, *ptr) && *ptr != '"' && *ptr != '`') { - goto loop; - } - - while (my_isspace(cs, *ptr)) { - ptr++; - } - - /* read constraint name unless got "CONSTRAINT FOREIGN" */ - if (ptr != ptr2) { - ptr = dict_scan_id(cs, ptr, heap, - &constraint_name, FALSE, FALSE); - } - } else { - ptr = ptr2; - } - - if (*ptr == '\0') { - /* The proper way to reject foreign keys for temporary - tables would be to split the lexing and syntactical - analysis of foreign key clauses from the actual adding - of them, so that ha_innodb.cc could first parse the SQL - command, determine if there are any foreign keys, and - if so, immediately reject the command if the table is a - temporary one. For now, this kludge will work. */ - if (reject_fks && (UT_LIST_GET_LEN(table->foreign_list) > 0)) { - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - /**********************************************************/ - /* The following call adds the foreign key constraints - to the data dictionary system tables on disk */ - - error = dict_create_add_foreigns_to_dictionary( - highest_id_so_far, table, trx); - return(error); - } - - start_of_latest_foreign = ptr; - - ptr = dict_accept(cs, ptr, "FOREIGN", &success); - - if (!success) { - goto loop; - } - - if (!my_isspace(cs, *ptr)) { - goto loop; - } - - ptr = dict_accept(cs, ptr, "KEY", &success); - - if (!success) { - goto loop; - } - - ptr = dict_accept(cs, ptr, "(", &success); - - if (!success) { - /* MySQL allows also an index id before the '('; we - skip it */ - ptr = dict_skip_word(cs, ptr, &success); - - if (!success) { - dict_foreign_report_syntax_err( - name, start_of_latest_foreign, ptr); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - ptr = dict_accept(cs, ptr, "(", &success); - - if (!success) { - /* We do not flag a syntax error here because in an - ALTER TABLE we may also have DROP FOREIGN KEY abc */ - - goto loop; - } - } - - i = 0; - - /* Scan the columns in the first list */ -col_loop1: - ut_a(i < (sizeof column_names) / sizeof *column_names); - ptr = dict_scan_col(cs, ptr, &success, table, columns + i, - heap, column_names + i); - if (!success) { - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\nCannot resolve column name close to:\n%s\n", - start_of_latest_foreign, ptr); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - i++; - - ptr = dict_accept(cs, ptr, ",", &success); - - if (success) { - goto col_loop1; - } - - ptr = dict_accept(cs, ptr, ")", &success); - - if (!success) { - dict_foreign_report_syntax_err( - name, start_of_latest_foreign, ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - /* Try to find an index which contains the columns - as the first fields and in the right order */ - - index = dict_foreign_find_index(table, column_names, i, - NULL, TRUE, FALSE); - - if (!index) { - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fputs("There is no index in table ", ef); - ut_print_name(ef, NULL, TRUE, name); - fprintf(ef, " where the columns appear\n" - "as the first columns. Constraint:\n%s\n" - "See " REFMAN "innodb-foreign-key-constraints.html\n" - "for correct foreign key definition.\n", - start_of_latest_foreign); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - ptr = dict_accept(cs, ptr, "REFERENCES", &success); - - if (!success || !my_isspace(cs, *ptr)) { - dict_foreign_report_syntax_err( - name, start_of_latest_foreign, ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - /* Let us create a constraint struct */ - - foreign = dict_mem_foreign_create(); - - if (constraint_name) { - ulint db_len; - - /* Catenate 'databasename/' to the constraint name specified - by the user: we conceive the constraint as belonging to the - same MySQL 'database' as the table itself. We store the name - to foreign->id. */ - - db_len = dict_get_db_name_len(table->name); - - foreign->id = mem_heap_alloc( - foreign->heap, db_len + strlen(constraint_name) + 2); - - ut_memcpy(foreign->id, table->name, db_len); - foreign->id[db_len] = '/'; - strcpy(foreign->id + db_len + 1, constraint_name); - } - - foreign->foreign_table = table; - foreign->foreign_table_name = mem_heap_strdup(foreign->heap, - table->name); - foreign->foreign_index = index; - foreign->n_fields = (unsigned int) i; - foreign->foreign_col_names = mem_heap_alloc(foreign->heap, - i * sizeof(void*)); - for (i = 0; i < foreign->n_fields; i++) { - foreign->foreign_col_names[i] = mem_heap_strdup( - foreign->heap, - dict_table_get_col_name(table, - dict_col_get_no(columns[i]))); - } - - ptr = dict_scan_table_name(cs, ptr, &referenced_table, name, - &success, heap, &referenced_table_name); - - /* Note that referenced_table can be NULL if the user has suppressed - checking of foreign key constraints! */ - - if (!success || (!referenced_table && trx->check_foreigns)) { - dict_foreign_free(foreign); - - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\nCannot resolve table name close to:\n" - "%s\n", - start_of_latest_foreign, ptr); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - ptr = dict_accept(cs, ptr, "(", &success); - - if (!success) { - dict_foreign_free(foreign); - dict_foreign_report_syntax_err(name, start_of_latest_foreign, - ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - /* Scan the columns in the second list */ - i = 0; - -col_loop2: - ptr = dict_scan_col(cs, ptr, &success, referenced_table, columns + i, - heap, column_names + i); - i++; - - if (!success) { - dict_foreign_free(foreign); - - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\nCannot resolve column name close to:\n" - "%s\n", - start_of_latest_foreign, ptr); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - ptr = dict_accept(cs, ptr, ",", &success); - - if (success) { - goto col_loop2; - } - - ptr = dict_accept(cs, ptr, ")", &success); - - if (!success || foreign->n_fields != i) { - dict_foreign_free(foreign); - - dict_foreign_report_syntax_err(name, start_of_latest_foreign, - ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - n_on_deletes = 0; - n_on_updates = 0; - -scan_on_conditions: - /* Loop here as long as we can find ON ... conditions */ - - ptr = dict_accept(cs, ptr, "ON", &success); - - if (!success) { - - goto try_find_index; - } - - ptr = dict_accept(cs, ptr, "DELETE", &success); - - if (!success) { - ptr = dict_accept(cs, ptr, "UPDATE", &success); - - if (!success) { - dict_foreign_free(foreign); - - dict_foreign_report_syntax_err( - name, start_of_latest_foreign, ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - is_on_delete = FALSE; - n_on_updates++; - } else { - is_on_delete = TRUE; - n_on_deletes++; - } - - ptr = dict_accept(cs, ptr, "RESTRICT", &success); - - if (success) { - goto scan_on_conditions; - } - - ptr = dict_accept(cs, ptr, "CASCADE", &success); - - if (success) { - if (is_on_delete) { - foreign->type |= DICT_FOREIGN_ON_DELETE_CASCADE; - } else { - foreign->type |= DICT_FOREIGN_ON_UPDATE_CASCADE; - } - - goto scan_on_conditions; - } - - ptr = dict_accept(cs, ptr, "NO", &success); - - if (success) { - ptr = dict_accept(cs, ptr, "ACTION", &success); - - if (!success) { - dict_foreign_free(foreign); - dict_foreign_report_syntax_err( - name, start_of_latest_foreign, ptr); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - if (is_on_delete) { - foreign->type |= DICT_FOREIGN_ON_DELETE_NO_ACTION; - } else { - foreign->type |= DICT_FOREIGN_ON_UPDATE_NO_ACTION; - } - - goto scan_on_conditions; - } - - ptr = dict_accept(cs, ptr, "SET", &success); - - if (!success) { - dict_foreign_free(foreign); - dict_foreign_report_syntax_err(name, start_of_latest_foreign, - ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - ptr = dict_accept(cs, ptr, "NULL", &success); - - if (!success) { - dict_foreign_free(foreign); - dict_foreign_report_syntax_err(name, start_of_latest_foreign, - ptr); - return(DB_CANNOT_ADD_CONSTRAINT); - } - - for (j = 0; j < foreign->n_fields; j++) { - if ((dict_index_get_nth_col(foreign->foreign_index, j)->prtype) - & DATA_NOT_NULL) { - - /* It is not sensible to define SET NULL - if the column is not allowed to be NULL! */ - - dict_foreign_free(foreign); - - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\n" - "You have defined a SET NULL condition" - " though some of the\n" - "columns are defined as NOT NULL.\n", - start_of_latest_foreign); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - } - - if (is_on_delete) { - foreign->type |= DICT_FOREIGN_ON_DELETE_SET_NULL; - } else { - foreign->type |= DICT_FOREIGN_ON_UPDATE_SET_NULL; - } - - goto scan_on_conditions; - -try_find_index: - if (n_on_deletes > 1 || n_on_updates > 1) { - /* It is an error to define more than 1 action */ - - dict_foreign_free(foreign); - - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\n" - "You have twice an ON DELETE clause" - " or twice an ON UPDATE clause.\n", - start_of_latest_foreign); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - - /* Try to find an index which contains the columns as the first fields - and in the right order, and the types are the same as in - foreign->foreign_index */ - - if (referenced_table) { - index = dict_foreign_find_index(referenced_table, - column_names, i, - foreign->foreign_index, - TRUE, FALSE); - if (!index) { - dict_foreign_free(foreign); - mutex_enter(&dict_foreign_err_mutex); - dict_foreign_error_report_low(ef, name); - fprintf(ef, "%s:\n" - "Cannot find an index in the" - " referenced table where the\n" - "referenced columns appear as the" - " first columns, or column types\n" - "in the table and the referenced table" - " do not match for constraint.\n" - "Note that the internal storage type of" - " ENUM and SET changed in\n" - "tables created with >= InnoDB-4.1.12," - " and such columns in old tables\n" - "cannot be referenced by such columns" - " in new tables.\n" - "See " REFMAN - "innodb-foreign-key-constraints.html\n" - "for correct foreign key definition.\n", - start_of_latest_foreign); - mutex_exit(&dict_foreign_err_mutex); - - return(DB_CANNOT_ADD_CONSTRAINT); - } - } else { - ut_a(trx->check_foreigns == FALSE); - index = NULL; - } - - foreign->referenced_index = index; - foreign->referenced_table = referenced_table; - - foreign->referenced_table_name - = mem_heap_strdup(foreign->heap, referenced_table_name); - - foreign->referenced_col_names = mem_heap_alloc(foreign->heap, - i * sizeof(void*)); - for (i = 0; i < foreign->n_fields; i++) { - foreign->referenced_col_names[i] - = mem_heap_strdup(foreign->heap, column_names[i]); - } - - /* We found an ok constraint definition: add to the lists */ - - UT_LIST_ADD_LAST(foreign_list, table->foreign_list, foreign); - - if (referenced_table) { - UT_LIST_ADD_LAST(referenced_list, - referenced_table->referenced_list, - foreign); - } - - goto loop; -} - -/*********************************************************************//** -Scans a table create SQL string and adds to the data dictionary the foreign -key constraints declared in the string. This function should be called after -the indexes for a table have been created. Each foreign key constraint must -be accompanied with indexes in both participating tables. The indexes are -allowed to contain more fields than mentioned in the constraint. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -dict_create_foreign_constraints( -/*============================*/ - trx_t* trx, /*!< in: transaction */ - const char* sql_string, /*!< in: table create statement where - foreign keys are declared like: - FOREIGN KEY (a, b) REFERENCES - table2(c, d), table2 can be written - also with the database - name before it: test.table2; the - default database id the database of - parameter name */ - const char* name, /*!< in: table full name in the - normalized form - database_name/table_name */ - ibool reject_fks) /*!< in: if TRUE, fail with error - code DB_CANNOT_ADD_CONSTRAINT if - any foreign keys are found. */ -{ - char* str; - ulint err; - mem_heap_t* heap; - - ut_a(trx); - ut_a(trx->mysql_thd); - - str = dict_strip_comments(sql_string); - heap = mem_heap_create(10000); - - err = dict_create_foreign_constraints_low( - trx, heap, innobase_get_charset(trx->mysql_thd), str, name, - reject_fks); - - mem_heap_free(heap); - mem_free(str); - - return(err); -} - -/**********************************************************************//** -Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. -@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the -constraint id does not match */ -UNIV_INTERN -ulint -dict_foreign_parse_drop_constraints( -/*================================*/ - mem_heap_t* heap, /*!< in: heap from which we can - allocate memory */ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table, /*!< in: table */ - ulint* n, /*!< out: number of constraints - to drop */ - const char*** constraints_to_drop) /*!< out: id's of the - constraints to drop */ -{ - dict_foreign_t* foreign; - ibool success; - char* str; - const char* ptr; - const char* id; - FILE* ef = dict_foreign_err_file; - struct charset_info_st* cs; - - ut_a(trx); - ut_a(trx->mysql_thd); - - cs = innobase_get_charset(trx->mysql_thd); - - *n = 0; - - *constraints_to_drop = mem_heap_alloc(heap, 1000 * sizeof(char*)); - - str = dict_strip_comments(*(trx->mysql_query_str)); - ptr = str; - - ut_ad(mutex_own(&(dict_sys->mutex))); -loop: - ptr = dict_scan_to(ptr, "DROP"); - - if (*ptr == '\0') { - mem_free(str); - - return(DB_SUCCESS); - } - - ptr = dict_accept(cs, ptr, "DROP", &success); - - if (!my_isspace(cs, *ptr)) { - - goto loop; - } - - ptr = dict_accept(cs, ptr, "FOREIGN", &success); - - if (!success || !my_isspace(cs, *ptr)) { - - goto loop; - } - - ptr = dict_accept(cs, ptr, "KEY", &success); - - if (!success) { - - goto syntax_error; - } - - ptr = dict_scan_id(cs, ptr, heap, &id, FALSE, TRUE); - - if (id == NULL) { - - goto syntax_error; - } - - ut_a(*n < 1000); - (*constraints_to_drop)[*n] = id; - (*n)++; - - /* Look for the given constraint id */ - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign != NULL) { - if (0 == strcmp(foreign->id, id) - || (strchr(foreign->id, '/') - && 0 == strcmp(id, - dict_remove_db_name(foreign->id)))) { - /* Found */ - break; - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - if (foreign == NULL) { - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Error in dropping of a foreign key constraint" - " of table ", ef); - ut_print_name(ef, NULL, TRUE, table->name); - fputs(",\n" - "in SQL command\n", ef); - fputs(str, ef); - fputs("\nCannot find a constraint with the given id ", ef); - ut_print_name(ef, NULL, FALSE, id); - fputs(".\n", ef); - mutex_exit(&dict_foreign_err_mutex); - - mem_free(str); - - return(DB_CANNOT_DROP_CONSTRAINT); - } - - goto loop; - -syntax_error: - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Syntax error in dropping of a" - " foreign key constraint of table ", ef); - ut_print_name(ef, NULL, TRUE, table->name); - fprintf(ef, ",\n" - "close to:\n%s\n in SQL command\n%s\n", ptr, str); - mutex_exit(&dict_foreign_err_mutex); - - mem_free(str); - - return(DB_CANNOT_DROP_CONSTRAINT); -} - -/*==================== END OF FOREIGN KEY PROCESSING ====================*/ - -/**********************************************************************//** -Returns an index object if it is found in the dictionary cache. -Assumes that dict_sys->mutex is already being held. -@return index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_index_get_if_in_cache_low( -/*===========================*/ - dulint index_id) /*!< in: index id */ -{ - ut_ad(mutex_own(&(dict_sys->mutex))); - - return(dict_index_find_on_id_low(index_id)); -} - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Returns an index object if it is found in the dictionary cache. -@return index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_index_get_if_in_cache( -/*=======================*/ - dulint index_id) /*!< in: index id */ -{ - dict_index_t* index; - - if (dict_sys == NULL) { - return(NULL); - } - - mutex_enter(&(dict_sys->mutex)); - - index = dict_index_get_if_in_cache_low(index_id); - - mutex_exit(&(dict_sys->mutex)); - - return(index); -} -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Checks that a tuple has n_fields_cmp value in a sensible range, so that -no comparison can occur with the page number field in a node pointer. -@return TRUE if ok */ -UNIV_INTERN -ibool -dict_index_check_search_tuple( -/*==========================*/ - const dict_index_t* index, /*!< in: index tree */ - const dtuple_t* tuple) /*!< in: tuple used in a search */ -{ - ut_a(index); - ut_a(dtuple_get_n_fields_cmp(tuple) - <= dict_index_get_n_unique_in_tree(index)); - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -/**********************************************************************//** -Builds a node pointer out of a physical record and a page number. -@return own: node pointer */ -UNIV_INTERN -dtuple_t* -dict_index_build_node_ptr( -/*======================*/ - const dict_index_t* index, /*!< in: index */ - const rec_t* rec, /*!< in: record for which to build node - pointer */ - ulint page_no,/*!< in: page number to put in node - pointer */ - mem_heap_t* heap, /*!< in: memory heap where pointer - created */ - ulint level) /*!< in: level of rec in tree: - 0 means leaf level */ -{ - dtuple_t* tuple; - dfield_t* field; - byte* buf; - ulint n_unique; - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - /* In a universal index tree, we take the whole record as - the node pointer if the record is on the leaf level, - on non-leaf levels we remove the last field, which - contains the page number of the child page */ - - ut_a(!dict_table_is_comp(index->table)); - n_unique = rec_get_n_fields_old(rec); - - if (level > 0) { - ut_a(n_unique > 1); - n_unique--; - } - } else { - n_unique = dict_index_get_n_unique_in_tree(index); - } - - tuple = dtuple_create(heap, n_unique + 1); - - /* When searching in the tree for the node pointer, we must not do - comparison on the last field, the page number field, as on upper - levels in the tree there may be identical node pointers with a - different page number; therefore, we set the n_fields_cmp to one - less: */ - - dtuple_set_n_fields_cmp(tuple, n_unique); - - dict_index_copy_types(tuple, index, n_unique); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, page_no); - - field = dtuple_get_nth_field(tuple, n_unique); - dfield_set_data(field, buf, 4); - - dtype_set(dfield_get_type(field), DATA_SYS_CHILD, DATA_NOT_NULL, 4); - - rec_copy_prefix_to_dtuple(tuple, rec, index, n_unique, heap); - dtuple_set_info_bits(tuple, dtuple_get_info_bits(tuple) - | REC_STATUS_NODE_PTR); - - ut_ad(dtuple_check_typed(tuple)); - - return(tuple); -} - -/**********************************************************************//** -Copies an initial segment of a physical record, long enough to specify an -index entry uniquely. -@return pointer to the prefix record */ -UNIV_INTERN -rec_t* -dict_index_copy_rec_order_prefix( -/*=============================*/ - const dict_index_t* index, /*!< in: index */ - const rec_t* rec, /*!< in: record for which to - copy prefix */ - ulint* n_fields,/*!< out: number of fields copied */ - byte** buf, /*!< in/out: memory buffer for the - copied prefix, or NULL */ - ulint* buf_size)/*!< in/out: buffer size */ -{ - ulint n; - - UNIV_PREFETCH_R(rec); - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - ut_a(!dict_table_is_comp(index->table)); - n = rec_get_n_fields_old(rec); - } else { - n = dict_index_get_n_unique_in_tree(index); - } - - *n_fields = n; - return(rec_copy_prefix_to_buf(rec, index, n, buf, buf_size)); -} - -/**********************************************************************//** -Builds a typed data tuple out of a physical record. -@return own: data tuple */ -UNIV_INTERN -dtuple_t* -dict_index_build_data_tuple( -/*========================*/ - dict_index_t* index, /*!< in: index tree */ - rec_t* rec, /*!< in: record for which to build data tuple */ - ulint n_fields,/*!< in: number of data fields */ - mem_heap_t* heap) /*!< in: memory heap where tuple created */ -{ - dtuple_t* tuple; - - ut_ad(dict_table_is_comp(index->table) - || n_fields <= rec_get_n_fields_old(rec)); - - tuple = dtuple_create(heap, n_fields); - - dict_index_copy_types(tuple, index, n_fields); - - rec_copy_prefix_to_dtuple(tuple, rec, index, n_fields, heap); - - ut_ad(dtuple_check_typed(tuple)); - - return(tuple); -} - -/*********************************************************************//** -Calculates the minimum record length in an index. */ -UNIV_INTERN -ulint -dict_index_calc_min_rec_len( -/*========================*/ - const dict_index_t* index) /*!< in: index */ -{ - ulint sum = 0; - ulint i; - ulint comp = dict_table_is_comp(index->table); - - if (comp) { - ulint nullable = 0; - sum = REC_N_NEW_EXTRA_BYTES; - for (i = 0; i < dict_index_get_n_fields(index); i++) { - const dict_col_t* col - = dict_index_get_nth_col(index, i); - ulint size = dict_col_get_fixed_size(col, comp); - sum += size; - if (!size) { - size = col->len; - sum += size < 128 ? 1 : 2; - } - if (!(col->prtype & DATA_NOT_NULL)) { - nullable++; - } - } - - /* round the NULL flags up to full bytes */ - sum += UT_BITS_IN_BYTES(nullable); - - return(sum); - } - - for (i = 0; i < dict_index_get_n_fields(index); i++) { - sum += dict_col_get_fixed_size( - dict_index_get_nth_col(index, i), comp); - } - - if (sum > 127) { - sum += 2 * dict_index_get_n_fields(index); - } else { - sum += dict_index_get_n_fields(index); - } - - sum += REC_N_OLD_EXTRA_BYTES; - - return(sum); -} - -/*********************************************************************//** -Calculates new estimates for table and index statistics. The statistics -are used in query optimization. */ -UNIV_INTERN -void -dict_update_statistics_low( -/*=======================*/ - dict_table_t* table, /*!< in/out: table */ - ibool has_dict_mutex __attribute__((unused))) - /*!< in: TRUE if the caller has the - dictionary mutex */ -{ - dict_index_t* index; - ulint size; - ulint sum_of_index_sizes = 0; - - if (table->ibd_file_missing) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: cannot calculate statistics for table %s\n" - "InnoDB: because the .ibd file is missing. For help," - " please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n", - table->name); - - return; - } - - /* If we have set a high innodb_force_recovery level, do not calculate - statistics, as a badly corrupted index can cause a crash in it. */ - - if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { - - return; - } - - /* Find out the sizes of the indexes and how many different values - for the key they approximately have */ - - index = dict_table_get_first_index(table); - - if (index == NULL) { - /* Table definition is corrupt */ - - return; - } - - while (index) { - size = btr_get_size(index, BTR_TOTAL_SIZE); - - index->stat_index_size = size; - - sum_of_index_sizes += size; - - size = btr_get_size(index, BTR_N_LEAF_PAGES); - - if (size == 0) { - /* The root node of the tree is a leaf */ - size = 1; - } - - index->stat_n_leaf_pages = size; - - btr_estimate_number_of_different_key_vals(index); - - index = dict_table_get_next_index(index); - } - - index = dict_table_get_first_index(table); - - table->stat_n_rows = index->stat_n_diff_key_vals[ - dict_index_get_n_unique(index)]; - - table->stat_clustered_index_size = index->stat_index_size; - - table->stat_sum_of_other_index_sizes = sum_of_index_sizes - - index->stat_index_size; - - table->stat_initialized = TRUE; - - table->stat_modified_counter = 0; -} - -/*********************************************************************//** -Calculates new estimates for table and index statistics. The statistics -are used in query optimization. */ -UNIV_INTERN -void -dict_update_statistics( -/*===================*/ - dict_table_t* table) /*!< in/out: table */ -{ - dict_update_statistics_low(table, FALSE); -} - -/**********************************************************************//** -Prints info of a foreign key constraint. */ -static -void -dict_foreign_print_low( -/*===================*/ - dict_foreign_t* foreign) /*!< in: foreign key constraint */ -{ - ulint i; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - fprintf(stderr, " FOREIGN KEY CONSTRAINT %s: %s (", - foreign->id, foreign->foreign_table_name); - - for (i = 0; i < foreign->n_fields; i++) { - fprintf(stderr, " %s", foreign->foreign_col_names[i]); - } - - fprintf(stderr, " )\n" - " REFERENCES %s (", - foreign->referenced_table_name); - - for (i = 0; i < foreign->n_fields; i++) { - fprintf(stderr, " %s", foreign->referenced_col_names[i]); - } - - fputs(" )\n", stderr); -} - -/**********************************************************************//** -Prints a table data. */ -UNIV_INTERN -void -dict_table_print( -/*=============*/ - dict_table_t* table) /*!< in: table */ -{ - mutex_enter(&(dict_sys->mutex)); - dict_table_print_low(table); - mutex_exit(&(dict_sys->mutex)); -} - -/**********************************************************************//** -Prints a table data when we know the table name. */ -UNIV_INTERN -void -dict_table_print_by_name( -/*=====================*/ - const char* name) /*!< in: table name */ -{ - dict_table_t* table; - - mutex_enter(&(dict_sys->mutex)); - - table = dict_table_get_low(name); - - ut_a(table); - - dict_table_print_low(table); - mutex_exit(&(dict_sys->mutex)); -} - -/**********************************************************************//** -Prints a table data. */ -UNIV_INTERN -void -dict_table_print_low( -/*=================*/ - dict_table_t* table) /*!< in: table */ -{ - dict_index_t* index; - dict_foreign_t* foreign; - ulint i; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - dict_update_statistics_low(table, TRUE); - - fprintf(stderr, - "--------------------------------------\n" - "TABLE: name %s, id %lu %lu, flags %lx, columns %lu," - " indexes %lu, appr.rows %lu\n" - " COLUMNS: ", - table->name, - (ulong) ut_dulint_get_high(table->id), - (ulong) ut_dulint_get_low(table->id), - (ulong) table->flags, - (ulong) table->n_cols, - (ulong) UT_LIST_GET_LEN(table->indexes), - (ulong) table->stat_n_rows); - - for (i = 0; i < (ulint) table->n_cols; i++) { - dict_col_print_low(table, dict_table_get_nth_col(table, i)); - fputs("; ", stderr); - } - - putc('\n', stderr); - - index = UT_LIST_GET_FIRST(table->indexes); - - while (index != NULL) { - dict_index_print_low(index); - index = UT_LIST_GET_NEXT(indexes, index); - } - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign != NULL) { - dict_foreign_print_low(foreign); - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign != NULL) { - dict_foreign_print_low(foreign); - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } -} - -/**********************************************************************//** -Prints a column data. */ -static -void -dict_col_print_low( -/*===============*/ - const dict_table_t* table, /*!< in: table */ - const dict_col_t* col) /*!< in: column */ -{ - dtype_t type; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - dict_col_copy_type(col, &type); - fprintf(stderr, "%s: ", dict_table_get_col_name(table, - dict_col_get_no(col))); - - dtype_print(&type); -} - -/**********************************************************************//** -Prints an index data. */ -static -void -dict_index_print_low( -/*=================*/ - dict_index_t* index) /*!< in: index */ -{ - ib_int64_t n_vals; - ulint i; - const char* type_string; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - if (index->n_user_defined_cols > 0) { - n_vals = index->stat_n_diff_key_vals[ - index->n_user_defined_cols]; - } else { - n_vals = index->stat_n_diff_key_vals[1]; - } - - if (dict_index_is_clust(index)) { - type_string = "clustered index"; - } else if (dict_index_is_unique(index)) { - type_string = "unique index"; - } else { - type_string = "secondary index"; - } - - fprintf(stderr, - " INDEX: name %s, id %lu %lu, fields %lu/%lu," - " uniq %lu, type %lu\n" - " root page %lu, appr.key vals %lu," - " leaf pages %lu, size pages %lu\n" - " FIELDS: ", - index->name, - (ulong) ut_dulint_get_high(index->id), - (ulong) ut_dulint_get_low(index->id), - (ulong) index->n_user_defined_cols, - (ulong) index->n_fields, - (ulong) index->n_uniq, - (ulong) index->type, - (ulong) index->page, - (ulong) n_vals, - (ulong) index->stat_n_leaf_pages, - (ulong) index->stat_index_size); - - for (i = 0; i < index->n_fields; i++) { - dict_field_print_low(dict_index_get_nth_field(index, i)); - } - - putc('\n', stderr); - -#ifdef UNIV_BTR_PRINT - btr_print_size(index); - - btr_print_index(index, 7); -#endif /* UNIV_BTR_PRINT */ -} - -/**********************************************************************//** -Prints a field data. */ -static -void -dict_field_print_low( -/*=================*/ - const dict_field_t* field) /*!< in: field */ -{ - ut_ad(mutex_own(&(dict_sys->mutex))); - - fprintf(stderr, " %s", field->name); - - if (field->prefix_len != 0) { - fprintf(stderr, "(%lu)", (ulong) field->prefix_len); - } -} - -/**********************************************************************//** -Outputs info on a foreign key of a table in a format suitable for -CREATE TABLE. */ -UNIV_INTERN -void -dict_print_info_on_foreign_key_in_create_format( -/*============================================*/ - FILE* file, /*!< in: file where to print */ - trx_t* trx, /*!< in: transaction */ - dict_foreign_t* foreign, /*!< in: foreign key constraint */ - ibool add_newline) /*!< in: whether to add a newline */ -{ - const char* stripped_id; - ulint i; - - if (strchr(foreign->id, '/')) { - /* Strip the preceding database name from the constraint id */ - stripped_id = foreign->id + 1 - + dict_get_db_name_len(foreign->id); - } else { - stripped_id = foreign->id; - } - - putc(',', file); - - if (add_newline) { - /* SHOW CREATE TABLE wants constraints each printed nicely - on its own line, while error messages want no newlines - inserted. */ - fputs("\n ", file); - } - - fputs(" CONSTRAINT ", file); - ut_print_name(file, trx, FALSE, stripped_id); - fputs(" FOREIGN KEY (", file); - - for (i = 0;;) { - ut_print_name(file, trx, FALSE, foreign->foreign_col_names[i]); - if (++i < foreign->n_fields) { - fputs(", ", file); - } else { - break; - } - } - - fputs(") REFERENCES ", file); - - if (dict_tables_have_same_db(foreign->foreign_table_name, - foreign->referenced_table_name)) { - /* Do not print the database name of the referenced table */ - ut_print_name(file, trx, TRUE, - dict_remove_db_name( - foreign->referenced_table_name)); - } else { - ut_print_name(file, trx, TRUE, - foreign->referenced_table_name); - } - - putc(' ', file); - putc('(', file); - - for (i = 0;;) { - ut_print_name(file, trx, FALSE, - foreign->referenced_col_names[i]); - if (++i < foreign->n_fields) { - fputs(", ", file); - } else { - break; - } - } - - putc(')', file); - - if (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE) { - fputs(" ON DELETE CASCADE", file); - } - - if (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL) { - fputs(" ON DELETE SET NULL", file); - } - - if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) { - fputs(" ON DELETE NO ACTION", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) { - fputs(" ON UPDATE CASCADE", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) { - fputs(" ON UPDATE SET NULL", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) { - fputs(" ON UPDATE NO ACTION", file); - } -} - -/**********************************************************************//** -Outputs info on foreign keys of a table. */ -UNIV_INTERN -void -dict_print_info_on_foreign_keys( -/*============================*/ - ibool create_table_format, /*!< in: if TRUE then print in - a format suitable to be inserted into - a CREATE TABLE, otherwise in the format - of SHOW TABLE STATUS */ - FILE* file, /*!< in: file where to print */ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table) /*!< in: table */ -{ - dict_foreign_t* foreign; - - mutex_enter(&(dict_sys->mutex)); - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - if (foreign == NULL) { - mutex_exit(&(dict_sys->mutex)); - - return; - } - - while (foreign != NULL) { - if (create_table_format) { - dict_print_info_on_foreign_key_in_create_format( - file, trx, foreign, TRUE); - } else { - ulint i; - fputs("; (", file); - - for (i = 0; i < foreign->n_fields; i++) { - if (i) { - putc(' ', file); - } - - ut_print_name(file, trx, FALSE, - foreign->foreign_col_names[i]); - } - - fputs(") REFER ", file); - ut_print_name(file, trx, TRUE, - foreign->referenced_table_name); - putc('(', file); - - for (i = 0; i < foreign->n_fields; i++) { - if (i) { - putc(' ', file); - } - ut_print_name( - file, trx, FALSE, - foreign->referenced_col_names[i]); - } - - putc(')', file); - - if (foreign->type == DICT_FOREIGN_ON_DELETE_CASCADE) { - fputs(" ON DELETE CASCADE", file); - } - - if (foreign->type == DICT_FOREIGN_ON_DELETE_SET_NULL) { - fputs(" ON DELETE SET NULL", file); - } - - if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) { - fputs(" ON DELETE NO ACTION", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) { - fputs(" ON UPDATE CASCADE", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) { - fputs(" ON UPDATE SET NULL", file); - } - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) { - fputs(" ON UPDATE NO ACTION", file); - } - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - mutex_exit(&(dict_sys->mutex)); -} - -/********************************************************************//** -Displays the names of the index and the table. */ -UNIV_INTERN -void -dict_index_name_print( -/*==================*/ - FILE* file, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction */ - const dict_index_t* index) /*!< in: index to print */ -{ - fputs("index ", file); - ut_print_name(file, trx, FALSE, index->name); - fputs(" of table ", file); - ut_print_name(file, trx, TRUE, index->table_name); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Inits dict_ind_redundant and dict_ind_compact. */ -UNIV_INTERN -void -dict_ind_init(void) -/*===============*/ -{ - dict_table_t* table; - - /* create dummy table and index for REDUNDANT infimum and supremum */ - table = dict_mem_table_create("SYS_DUMMY1", DICT_HDR_SPACE, 1, 0); - dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, - DATA_ENGLISH | DATA_NOT_NULL, 8); - - dict_ind_redundant = dict_mem_index_create("SYS_DUMMY1", "SYS_DUMMY1", - DICT_HDR_SPACE, 0, 1); - dict_index_add_col(dict_ind_redundant, table, - dict_table_get_nth_col(table, 0), 0); - dict_ind_redundant->table = table; - /* create dummy table and index for COMPACT infimum and supremum */ - table = dict_mem_table_create("SYS_DUMMY2", - DICT_HDR_SPACE, 1, DICT_TF_COMPACT); - dict_mem_table_add_col(table, NULL, NULL, DATA_CHAR, - DATA_ENGLISH | DATA_NOT_NULL, 8); - dict_ind_compact = dict_mem_index_create("SYS_DUMMY2", "SYS_DUMMY2", - DICT_HDR_SPACE, 0, 1); - dict_index_add_col(dict_ind_compact, table, - dict_table_get_nth_col(table, 0), 0); - dict_ind_compact->table = table; - - /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ - dict_ind_redundant->cached = dict_ind_compact->cached = TRUE; -} - -/**********************************************************************//** -Frees dict_ind_redundant and dict_ind_compact. */ -static -void -dict_ind_free(void) -/*===============*/ -{ - dict_table_t* table; - - table = dict_ind_compact->table; - dict_mem_index_free(dict_ind_compact); - dict_ind_compact = NULL; - dict_mem_table_free(table); - - table = dict_ind_redundant->table; - dict_mem_index_free(dict_ind_redundant); - dict_ind_redundant = NULL; - dict_mem_table_free(table); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Get index by name -@return index, NULL if does not exist */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_on_name( -/*=========================*/ - dict_table_t* table, /*!< in: table */ - const char* name) /*!< in: name of the index to find */ -{ - dict_index_t* index; - - index = dict_table_get_first_index(table); - - while (index != NULL) { - if (ut_strcmp(index->name, name) == 0) { - - return(index); - } - - index = dict_table_get_next_index(index); - } - - return(NULL); - -} - -/**********************************************************************//** -Replace the index passed in with another equivalent index in the tables -foreign key list. */ -UNIV_INTERN -void -dict_table_replace_index_in_foreign_list( -/*=====================================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index) /*!< in: index to be replaced */ -{ - dict_foreign_t* foreign; - - for (foreign = UT_LIST_GET_FIRST(table->foreign_list); - foreign; - foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - - if (foreign->foreign_index == index) { - dict_index_t* new_index - = dict_foreign_find_equiv_index(foreign); - ut_a(new_index); - - foreign->foreign_index = new_index; - } - } -} - -/**********************************************************************//** -In case there is more than one index with the same name return the index -with the min(id). -@return index, NULL if does not exist */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_on_name_and_min_id( -/*=====================================*/ - dict_table_t* table, /*!< in: table */ - const char* name) /*!< in: name of the index to find */ -{ - dict_index_t* index; - dict_index_t* min_index; /* Index with matching name and min(id) */ - - min_index = NULL; - index = dict_table_get_first_index(table); - - while (index != NULL) { - if (ut_strcmp(index->name, name) == 0) { - if (!min_index - || ut_dulint_cmp(index->id, min_index->id) < 0) { - - min_index = index; - } - } - - index = dict_table_get_next_index(index); - } - - return(min_index); - -} - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Check for duplicate index entries in a table [using the index name] */ -UNIV_INTERN -void -dict_table_check_for_dup_indexes( -/*=============================*/ - const dict_table_t* table) /*!< in: Check for dup indexes - in this table */ -{ - /* Check for duplicates, ignoring indexes that are marked - as to be dropped */ - - const dict_index_t* index1; - const dict_index_t* index2; - - ut_ad(mutex_own(&dict_sys->mutex)); - - /* The primary index _must_ exist */ - ut_a(UT_LIST_GET_LEN(table->indexes) > 0); - - index1 = UT_LIST_GET_FIRST(table->indexes); - index2 = UT_LIST_GET_NEXT(indexes, index1); - - while (index1 && index2) { - - while (index2) { - - if (!index2->to_be_dropped) { - ut_ad(ut_strcmp(index1->name, index2->name)); - } - - index2 = UT_LIST_GET_NEXT(indexes, index2); - } - - index1 = UT_LIST_GET_NEXT(indexes, index1); - index2 = UT_LIST_GET_NEXT(indexes, index1); - } -} -#endif /* UNIV_DEBUG */ - -/************************************************************************** -Closes the data dictionary module. */ -UNIV_INTERN -void -dict_close(void) -/*============*/ -{ - ulint i; - - /* Free the hash elements. We don't remove them from the table - because we are going to destroy the table anyway. */ - for (i = 0; i < hash_get_n_cells(dict_sys->table_hash); i++) { - dict_table_t* table; - - table = HASH_GET_FIRST(dict_sys->table_hash, i); - - while (table) { - dict_table_t* prev_table = table; - - table = HASH_GET_NEXT(name_hash, prev_table); -#ifdef UNIV_DEBUG - ut_a(prev_table->magic_n == DICT_TABLE_MAGIC_N); -#endif - /* Acquire only because it's a pre-condition. */ - mutex_enter(&dict_sys->mutex); - - dict_table_remove_from_cache(prev_table); - - mutex_exit(&dict_sys->mutex); - } - } - - hash_table_free(dict_sys->table_hash); - - /* The elements are the same instance as in dict_sys->table_hash, - therefore we don't delete the individual elements. */ - hash_table_free(dict_sys->table_id_hash); - - dict_ind_free(); - - mutex_free(&dict_sys->mutex); - - rw_lock_free(&dict_operation_lock); - memset(&dict_operation_lock, 0x0, sizeof(dict_operation_lock)); - - mutex_free(&dict_foreign_err_mutex); - - mem_free(dict_sys); - dict_sys = NULL; -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/dict/dict0load.c b/perfschema/dict/dict0load.c deleted file mode 100644 index 377818308c5..00000000000 --- a/perfschema/dict/dict0load.c +++ /dev/null @@ -1,1499 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file dict/dict0load.c -Loads to the memory cache database object definitions -from dictionary tables - -Created 4/24/1996 Heikki Tuuri -*******************************************************/ - -#include "dict0load.h" -#include "mysql_version.h" - -#ifdef UNIV_NONINL -#include "dict0load.ic" -#endif - -#include "btr0pcur.h" -#include "btr0btr.h" -#include "page0page.h" -#include "mach0data.h" -#include "dict0dict.h" -#include "dict0boot.h" -#include "rem0cmp.h" -#include "srv0start.h" -#include "srv0srv.h" - -/****************************************************************//** -Compare the name of an index column. -@return TRUE if the i'th column of index is 'name'. */ -static -ibool -name_of_col_is( -/*===========*/ - const dict_table_t* table, /*!< in: table */ - const dict_index_t* index, /*!< in: index */ - ulint i, /*!< in: index field offset */ - const char* name) /*!< in: name to compare to */ -{ - ulint tmp = dict_col_get_no(dict_field_get_col( - dict_index_get_nth_field( - index, i))); - - return(strcmp(name, dict_table_get_col_name(table, tmp)) == 0); -} - -/********************************************************************//** -Finds the first table name in the given database. -@return own: table name, NULL if does not exist; the caller must free -the memory in the string! */ -UNIV_INTERN -char* -dict_get_first_table_name_in_db( -/*============================*/ - const char* name) /*!< in: database name which ends in '/' */ -{ - dict_table_t* sys_tables; - btr_pcur_t pcur; - dict_index_t* sys_index; - dtuple_t* tuple; - mem_heap_t* heap; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - heap = mem_heap_create(1000); - - mtr_start(&mtr); - - sys_tables = dict_table_get_low("SYS_TABLES"); - sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); - ut_a(!dict_table_is_comp(sys_tables)); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(dfield, name, ut_strlen(name)); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); -loop: - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* Not found */ - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(NULL); - } - - field = rec_get_nth_field_old(rec, 0, &len); - - if (len < strlen(name) - || ut_memcmp(name, field, strlen(name)) != 0) { - /* Not found */ - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(NULL); - } - - if (!rec_get_deleted_flag(rec, 0)) { - - /* We found one */ - - char* table_name = mem_strdupl((char*) field, len); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(table_name); - } - - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - goto loop; -} - -/********************************************************************//** -Prints to the standard output information on all tables found in the data -dictionary system table. */ -UNIV_INTERN -void -dict_print(void) -/*============*/ -{ - dict_table_t* sys_tables; - dict_index_t* sys_index; - dict_table_t* table; - btr_pcur_t pcur; - const rec_t* rec; - const byte* field; - ulint len; - mtr_t mtr; - - /* Enlarge the fatal semaphore wait timeout during the InnoDB table - monitor printout */ - - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - mutex_enter(&(dict_sys->mutex)); - - mtr_start(&mtr); - - sys_tables = dict_table_get_low("SYS_TABLES"); - sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); - - btr_pcur_open_at_index_side(TRUE, sys_index, BTR_SEARCH_LEAF, &pcur, - TRUE, &mtr); -loop: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* end of index */ - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - mutex_exit(&(dict_sys->mutex)); - - /* Restore the fatal semaphore wait timeout */ - - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - return; - } - - field = rec_get_nth_field_old(rec, 0, &len); - - if (!rec_get_deleted_flag(rec, 0)) { - - /* We found one */ - - char* table_name = mem_strdupl((char*) field, len); - - btr_pcur_store_position(&pcur, &mtr); - - mtr_commit(&mtr); - - table = dict_table_get_low(table_name); - mem_free(table_name); - - if (table == NULL) { - fputs("InnoDB: Failed to load table ", stderr); - ut_print_namel(stderr, NULL, TRUE, (char*) field, len); - putc('\n', stderr); - } else { - /* The table definition was corrupt if there - is no index */ - - if (dict_table_get_first_index(table)) { - dict_update_statistics_low(table, TRUE); - } - - dict_table_print_low(table); - } - - mtr_start(&mtr); - - btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); - } - - goto loop; -} - -/********************************************************************//** -Determine the flags of a table described in SYS_TABLES. -@return compressed page size in kilobytes; or 0 if the tablespace is -uncompressed, ULINT_UNDEFINED on error */ -static -ulint -dict_sys_tables_get_flags( -/*======================*/ - const rec_t* rec) /*!< in: a record of SYS_TABLES */ -{ - const byte* field; - ulint len; - ulint n_cols; - ulint flags; - - field = rec_get_nth_field_old(rec, 5, &len); - ut_a(len == 4); - - flags = mach_read_from_4(field); - - if (UNIV_LIKELY(flags == DICT_TABLE_ORDINARY)) { - return(0); - } - - field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); - n_cols = mach_read_from_4(field); - - if (UNIV_UNLIKELY(!(n_cols & 0x80000000UL))) { - /* New file formats require ROW_FORMAT=COMPACT. */ - return(ULINT_UNDEFINED); - } - - switch (flags & (DICT_TF_FORMAT_MASK | DICT_TF_COMPACT)) { - default: - case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: - case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: - /* flags should be DICT_TABLE_ORDINARY, - or DICT_TF_FORMAT_MASK should be nonzero. */ - return(ULINT_UNDEFINED); - - case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT | DICT_TF_COMPACT: -#if DICT_TF_FORMAT_MAX > DICT_TF_FORMAT_ZIP -# error "missing case labels for DICT_TF_FORMAT_ZIP .. DICT_TF_FORMAT_MAX" -#endif - /* We support this format. */ - break; - } - - if (UNIV_UNLIKELY((flags & DICT_TF_ZSSIZE_MASK) - > (DICT_TF_ZSSIZE_MAX << DICT_TF_ZSSIZE_SHIFT))) { - /* Unsupported compressed page size. */ - return(ULINT_UNDEFINED); - } - - if (UNIV_UNLIKELY(flags & (~0 << DICT_TF_BITS))) { - /* Some unused bits are set. */ - return(ULINT_UNDEFINED); - } - - return(flags); -} - -/********************************************************************//** -In a crash recovery we already have all the tablespace objects created. -This function compares the space id information in the InnoDB data dictionary -to what we already read with fil_load_single_table_tablespaces(). - -In a normal startup, we create the tablespace objects for every table in -InnoDB's data dictionary, if the corresponding .ibd file exists. -We also scan the biggest space id, and store it to fil_system. */ -UNIV_INTERN -void -dict_check_tablespaces_and_store_max_id( -/*====================================*/ - ibool in_crash_recovery) /*!< in: are we doing a crash recovery */ -{ - dict_table_t* sys_tables; - dict_index_t* sys_index; - btr_pcur_t pcur; - const rec_t* rec; - ulint max_space_id = 0; - mtr_t mtr; - - mutex_enter(&(dict_sys->mutex)); - - mtr_start(&mtr); - - sys_tables = dict_table_get_low("SYS_TABLES"); - sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); - ut_a(!dict_table_is_comp(sys_tables)); - - btr_pcur_open_at_index_side(TRUE, sys_index, BTR_SEARCH_LEAF, &pcur, - TRUE, &mtr); -loop: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* end of index */ - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - /* We must make the tablespace cache aware of the biggest - known space id */ - - /* printf("Biggest space id in data dictionary %lu\n", - max_space_id); */ - fil_set_max_space_id_if_bigger(max_space_id); - - mutex_exit(&(dict_sys->mutex)); - - return; - } - - if (!rec_get_deleted_flag(rec, 0)) { - - /* We found one */ - const byte* field; - ulint len; - ulint space_id; - ulint flags; - char* name; - - field = rec_get_nth_field_old(rec, 0, &len); - name = mem_strdupl((char*) field, len); - - flags = dict_sys_tables_get_flags(rec); - if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { - - field = rec_get_nth_field_old(rec, 5, &len); - flags = mach_read_from_4(field); - - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has unknown type %lx.\n", - (ulong) flags); - - goto loop; - } - - field = rec_get_nth_field_old(rec, 9, &len); - ut_a(len == 4); - - space_id = mach_read_from_4(field); - - btr_pcur_store_position(&pcur, &mtr); - - mtr_commit(&mtr); - - if (space_id == 0) { - /* The system tablespace always exists. */ - } else if (in_crash_recovery) { - /* Check that the tablespace (the .ibd file) really - exists; print a warning to the .err log if not. - Do not print warnings for temporary tables. */ - ibool is_temp; - - field = rec_get_nth_field_old(rec, 4, &len); - if (0x80000000UL & mach_read_from_4(field)) { - /* ROW_FORMAT=COMPACT: read the is_temp - flag from SYS_TABLES.MIX_LEN. */ - field = rec_get_nth_field_old(rec, 7, &len); - is_temp = mach_read_from_4(field) - & DICT_TF2_TEMPORARY; - } else { - /* For tables created with old versions - of InnoDB, SYS_TABLES.MIX_LEN may contain - garbage. Such tables would always be - in ROW_FORMAT=REDUNDANT. Pretend that - all such tables are non-temporary. That is, - do not suppress error printouts about - temporary tables not being found. */ - is_temp = FALSE; - } - - fil_space_for_table_exists_in_mem( - space_id, name, is_temp, TRUE, !is_temp); - } else { - /* It is a normal database startup: create the space - object and check that the .ibd file exists. */ - - fil_open_single_table_tablespace(FALSE, space_id, - flags, name); - } - - mem_free(name); - - if (space_id > max_space_id) { - max_space_id = space_id; - } - - mtr_start(&mtr); - - btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); - } - - goto loop; -} - -/********************************************************************//** -Loads definitions for table columns. */ -static -void -dict_load_columns( -/*==============*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: memory heap for temporary storage */ -{ - dict_table_t* sys_columns; - dict_index_t* sys_index; - btr_pcur_t pcur; - dtuple_t* tuple; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - byte* buf; - char* name; - ulint mtype; - ulint prtype; - ulint col_len; - ulint i; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - mtr_start(&mtr); - - sys_columns = dict_table_get_low("SYS_COLUMNS"); - sys_index = UT_LIST_GET_FIRST(sys_columns->indexes); - ut_a(!dict_table_is_comp(sys_columns)); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 8); - mach_write_to_8(buf, table->id); - - dfield_set_data(dfield, buf, 8); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - for (i = 0; i + DATA_N_SYS_COLS < (ulint) table->n_cols; i++) { - - rec = btr_pcur_get_rec(&pcur); - - ut_a(btr_pcur_is_on_user_rec(&pcur)); - - ut_a(!rec_get_deleted_flag(rec, 0)); - - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - ut_a(ut_dulint_cmp(table->id, mach_read_from_8(field)) == 0); - - field = rec_get_nth_field_old(rec, 1, &len); - ut_ad(len == 4); - ut_a(i == mach_read_from_4(field)); - - ut_a(name_of_col_is(sys_columns, sys_index, 4, "NAME")); - - field = rec_get_nth_field_old(rec, 4, &len); - name = mem_heap_strdupl(heap, (char*) field, len); - - field = rec_get_nth_field_old(rec, 5, &len); - mtype = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 6, &len); - prtype = mach_read_from_4(field); - - if (dtype_get_charset_coll(prtype) == 0 - && dtype_is_string_type(mtype)) { - /* The table was created with < 4.1.2. */ - - if (dtype_is_binary_string_type(mtype, prtype)) { - /* Use the binary collation for - string columns of binary type. */ - - prtype = dtype_form_prtype( - prtype, - DATA_MYSQL_BINARY_CHARSET_COLL); - } else { - /* Use the default charset for - other than binary columns. */ - - prtype = dtype_form_prtype( - prtype, - data_mysql_default_charset_coll); - } - } - - field = rec_get_nth_field_old(rec, 7, &len); - col_len = mach_read_from_4(field); - - ut_a(name_of_col_is(sys_columns, sys_index, 8, "PREC")); - - dict_mem_table_add_col(table, heap, name, - mtype, prtype, col_len); - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); -} - -/********************************************************************//** -Loads definitions for index fields. */ -static -void -dict_load_fields( -/*=============*/ - dict_index_t* index, /*!< in: index whose fields to load */ - mem_heap_t* heap) /*!< in: memory heap for temporary storage */ -{ - dict_table_t* sys_fields; - dict_index_t* sys_index; - btr_pcur_t pcur; - dtuple_t* tuple; - dfield_t* dfield; - ulint pos_and_prefix_len; - ulint prefix_len; - const rec_t* rec; - const byte* field; - ulint len; - byte* buf; - ulint i; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - mtr_start(&mtr); - - sys_fields = dict_table_get_low("SYS_FIELDS"); - sys_index = UT_LIST_GET_FIRST(sys_fields->indexes); - ut_a(!dict_table_is_comp(sys_fields)); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 8); - mach_write_to_8(buf, index->id); - - dfield_set_data(dfield, buf, 8); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - for (i = 0; i < index->n_fields; i++) { - - rec = btr_pcur_get_rec(&pcur); - - ut_a(btr_pcur_is_on_user_rec(&pcur)); - - /* There could be delete marked records in SYS_FIELDS - because SYS_FIELDS.INDEX_ID can be updated - by ALTER TABLE ADD INDEX. */ - - if (rec_get_deleted_flag(rec, 0)) { - - goto next_rec; - } - - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - - field = rec_get_nth_field_old(rec, 1, &len); - ut_a(len == 4); - - /* The next field stores the field position in the index - and a possible column prefix length if the index field - does not contain the whole column. The storage format is - like this: if there is at least one prefix field in the index, - then the HIGH 2 bytes contain the field number (== i) and the - low 2 bytes the prefix length for the field. Otherwise the - field number (== i) is contained in the 2 LOW bytes. */ - - pos_and_prefix_len = mach_read_from_4(field); - - ut_a((pos_and_prefix_len & 0xFFFFUL) == i - || (pos_and_prefix_len & 0xFFFF0000UL) == (i << 16)); - - if ((i == 0 && pos_and_prefix_len > 0) - || (pos_and_prefix_len & 0xFFFF0000UL) > 0) { - - prefix_len = pos_and_prefix_len & 0xFFFFUL; - } else { - prefix_len = 0; - } - - ut_a(name_of_col_is(sys_fields, sys_index, 4, "COL_NAME")); - - field = rec_get_nth_field_old(rec, 4, &len); - - dict_mem_index_add_field(index, - mem_heap_strdupl(heap, - (char*) field, len), - prefix_len); - -next_rec: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); -} - -/********************************************************************//** -Loads definitions for table indexes. Adds them to the data dictionary -cache. -@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary -table or DB_UNSUPPORTED if table has unknown index type */ -static -ulint -dict_load_indexes( -/*==============*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: memory heap for temporary storage */ -{ - dict_table_t* sys_indexes; - dict_index_t* sys_index; - dict_index_t* index; - btr_pcur_t pcur; - dtuple_t* tuple; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - ulint name_len; - char* name_buf; - ulint type; - ulint space; - ulint page_no; - ulint n_fields; - byte* buf; - ibool is_sys_table; - dulint id; - mtr_t mtr; - ulint error = DB_SUCCESS; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - if ((ut_dulint_get_high(table->id) == 0) - && (ut_dulint_get_low(table->id) < DICT_HDR_FIRST_ID)) { - is_sys_table = TRUE; - } else { - is_sys_table = FALSE; - } - - mtr_start(&mtr); - - sys_indexes = dict_table_get_low("SYS_INDEXES"); - sys_index = UT_LIST_GET_FIRST(sys_indexes->indexes); - ut_a(!dict_table_is_comp(sys_indexes)); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 8); - mach_write_to_8(buf, table->id); - - dfield_set_data(dfield, buf, 8); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - for (;;) { - if (!btr_pcur_is_on_user_rec(&pcur)) { - - break; - } - - rec = btr_pcur_get_rec(&pcur); - - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - - if (ut_memcmp(buf, field, len) != 0) { - break; - } else if (rec_get_deleted_flag(rec, 0)) { - /* Skip delete marked records */ - goto next_rec; - } - - field = rec_get_nth_field_old(rec, 1, &len); - ut_ad(len == 8); - id = mach_read_from_8(field); - - ut_a(name_of_col_is(sys_indexes, sys_index, 4, "NAME")); - - field = rec_get_nth_field_old(rec, 4, &name_len); - name_buf = mem_heap_strdupl(heap, (char*) field, name_len); - - field = rec_get_nth_field_old(rec, 5, &len); - n_fields = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 6, &len); - type = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 7, &len); - space = mach_read_from_4(field); - - ut_a(name_of_col_is(sys_indexes, sys_index, 8, "PAGE_NO")); - - field = rec_get_nth_field_old(rec, 8, &len); - page_no = mach_read_from_4(field); - - /* We check for unsupported types first, so that the - subsequent checks are relevant for the supported types. */ - if (type & ~(DICT_CLUSTERED | DICT_UNIQUE)) { - - fprintf(stderr, - "InnoDB: Error: unknown type %lu" - " of index %s of table %s\n", - (ulong) type, name_buf, table->name); - - error = DB_UNSUPPORTED; - goto func_exit; - } else if (page_no == FIL_NULL) { - - fprintf(stderr, - "InnoDB: Error: trying to load index %s" - " for table %s\n" - "InnoDB: but the index tree has been freed!\n", - name_buf, table->name); - - error = DB_CORRUPTION; - goto func_exit; - } else if ((type & DICT_CLUSTERED) == 0 - && NULL == dict_table_get_first_index(table)) { - - fputs("InnoDB: Error: trying to load index ", - stderr); - ut_print_name(stderr, NULL, FALSE, name_buf); - fputs(" for table ", stderr); - ut_print_name(stderr, NULL, TRUE, table->name); - fputs("\nInnoDB: but the first index" - " is not clustered!\n", stderr); - - error = DB_CORRUPTION; - goto func_exit; - } else if (is_sys_table - && ((type & DICT_CLUSTERED) - || ((table == dict_sys->sys_tables) - && (name_len == (sizeof "ID_IND") - 1) - && (0 == ut_memcmp(name_buf, - "ID_IND", name_len))))) { - - /* The index was created in memory already at booting - of the database server */ - } else { - index = dict_mem_index_create(table->name, name_buf, - space, type, n_fields); - index->id = id; - - dict_load_fields(index, heap); - error = dict_index_add_to_cache(table, index, page_no, - FALSE); - /* The data dictionary tables should never contain - invalid index definitions. If we ignored this error - and simply did not load this index definition, the - .frm file would disagree with the index definitions - inside InnoDB. */ - if (UNIV_UNLIKELY(error != DB_SUCCESS)) { - - goto func_exit; - } - } - -next_rec: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - -func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(error); -} - -/********************************************************************//** -Loads a table definition and also all its index definitions, and also -the cluster definition if the table is a member in a cluster. Also loads -all foreign key constraints where the foreign key is in the table or where -a foreign key references columns in this table. Adds all these to the data -dictionary cache. -@return table, NULL if does not exist; if the table is stored in an -.ibd file, but the file does not exist, then we set the -ibd_file_missing flag TRUE in the table object we return */ -UNIV_INTERN -dict_table_t* -dict_load_table( -/*============*/ - const char* name) /*!< in: table name in the - databasename/tablename format */ -{ - ibool ibd_file_missing = FALSE; - dict_table_t* table; - dict_table_t* sys_tables; - btr_pcur_t pcur; - dict_index_t* sys_index; - dtuple_t* tuple; - mem_heap_t* heap; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - ulint space; - ulint n_cols; - ulint flags; - ulint err; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - heap = mem_heap_create(32000); - - mtr_start(&mtr); - - sys_tables = dict_table_get_low("SYS_TABLES"); - sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); - ut_a(!dict_table_is_comp(sys_tables)); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(dfield, name, ut_strlen(name)); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur) - || rec_get_deleted_flag(rec, 0)) { - /* Not found */ -err_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(NULL); - } - - field = rec_get_nth_field_old(rec, 0, &len); - - /* Check if the table name in record is the searched one */ - if (len != ut_strlen(name) || ut_memcmp(name, field, len) != 0) { - - goto err_exit; - } - - ut_a(name_of_col_is(sys_tables, sys_index, 9, "SPACE")); - - field = rec_get_nth_field_old(rec, 9, &len); - space = mach_read_from_4(field); - - /* Check if the tablespace exists and has the right name */ - if (space != 0) { - flags = dict_sys_tables_get_flags(rec); - - if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { - field = rec_get_nth_field_old(rec, 5, &len); - flags = mach_read_from_4(field); - - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has unknown type %lx.\n", - (ulong) flags); - goto err_exit; - } - } else { - flags = 0; - } - - ut_a(name_of_col_is(sys_tables, sys_index, 4, "N_COLS")); - - field = rec_get_nth_field_old(rec, 4, &len); - n_cols = mach_read_from_4(field); - - /* The high-order bit of N_COLS is the "compact format" flag. - For tables in that format, MIX_LEN may hold additional flags. */ - if (n_cols & 0x80000000UL) { - ulint flags2; - - flags |= DICT_TF_COMPACT; - - ut_a(name_of_col_is(sys_tables, sys_index, 7, "MIX_LEN")); - field = rec_get_nth_field_old(rec, 7, &len); - - flags2 = mach_read_from_4(field); - - if (flags2 & (~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT))) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has unknown flags %lx.\n", - (ulong) flags2); - - flags2 &= ~(~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT)); - } - - flags |= flags2 << DICT_TF2_SHIFT; - } - - /* See if the tablespace is available. */ - if (space == 0) { - /* The system tablespace is always available. */ - } else if (!fil_space_for_table_exists_in_mem( - space, name, - (flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY, - FALSE, FALSE)) { - - if ((flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY) { - /* Do not bother to retry opening temporary tables. */ - ibd_file_missing = TRUE; - } else { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: error: space object of table"); - ut_print_filename(stderr, name); - fprintf(stderr, ",\n" - "InnoDB: space id %lu did not exist in memory." - " Retrying an open.\n", - (ulong) space); - /* Try to open the tablespace */ - if (!fil_open_single_table_tablespace( - TRUE, space, - flags & ~(~0 << DICT_TF_BITS), name)) { - /* We failed to find a sensible - tablespace file */ - - ibd_file_missing = TRUE; - } - } - } - - table = dict_mem_table_create(name, space, n_cols & ~0x80000000UL, - flags); - - table->ibd_file_missing = (unsigned int) ibd_file_missing; - - ut_a(name_of_col_is(sys_tables, sys_index, 3, "ID")); - - field = rec_get_nth_field_old(rec, 3, &len); - table->id = mach_read_from_8(field); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - dict_load_columns(table, heap); - - dict_table_add_to_cache(table, heap); - - mem_heap_empty(heap); - - err = dict_load_indexes(table, heap); - - /* If the force recovery flag is set, we open the table irrespective - of the error condition, since the user may want to dump data from the - clustered index. However we load the foreign key information only if - all indexes were loaded. */ - if (err == DB_SUCCESS) { - err = dict_load_foreigns(table->name, TRUE); - } else if (!srv_force_recovery) { - dict_table_remove_from_cache(table); - table = NULL; - } -#if 0 - if (err != DB_SUCCESS && table != NULL) { - - mutex_enter(&dict_foreign_err_mutex); - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: could not make a foreign key" - " definition to match\n" - "InnoDB: the foreign key table" - " or the referenced table!\n" - "InnoDB: The data dictionary of InnoDB is corrupt." - " You may need to drop\n" - "InnoDB: and recreate the foreign key table" - " or the referenced table.\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n" - "InnoDB: Latest foreign key error printout:\n%s\n", - dict_foreign_err_buf); - - mutex_exit(&dict_foreign_err_mutex); - } -#endif /* 0 */ - mem_heap_free(heap); - - return(table); -} - -/***********************************************************************//** -Loads a table object based on the table id. -@return table; NULL if table does not exist */ -UNIV_INTERN -dict_table_t* -dict_load_table_on_id( -/*==================*/ - dulint table_id) /*!< in: table id */ -{ - byte id_buf[8]; - btr_pcur_t pcur; - mem_heap_t* heap; - dtuple_t* tuple; - dfield_t* dfield; - dict_index_t* sys_table_ids; - dict_table_t* sys_tables; - const rec_t* rec; - const byte* field; - ulint len; - dict_table_t* table; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - /* NOTE that the operation of this function is protected by - the dictionary mutex, and therefore no deadlocks can occur - with other dictionary operations. */ - - mtr_start(&mtr); - /*---------------------------------------------------*/ - /* Get the secondary index based on ID for table SYS_TABLES */ - sys_tables = dict_sys->sys_tables; - sys_table_ids = dict_table_get_next_index( - dict_table_get_first_index(sys_tables)); - ut_a(!dict_table_is_comp(sys_tables)); - heap = mem_heap_create(256); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - /* Write the table id in byte format to id_buf */ - mach_write_to_8(id_buf, table_id); - - dfield_set_data(dfield, id_buf, 8); - dict_index_copy_types(tuple, sys_table_ids, 1); - - btr_pcur_open_on_user_rec(sys_table_ids, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur) - || rec_get_deleted_flag(rec, 0)) { - /* Not found */ - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(NULL); - } - - /*---------------------------------------------------*/ - /* Now we have the record in the secondary index containing the - table ID and NAME */ - - rec = btr_pcur_get_rec(&pcur); - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - - /* Check if the table id in record is the one searched for */ - if (ut_dulint_cmp(table_id, mach_read_from_8(field)) != 0) { - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(NULL); - } - - /* Now we get the table name from the record */ - field = rec_get_nth_field_old(rec, 1, &len); - /* Load the table definition to memory */ - table = dict_load_table(mem_heap_strdupl(heap, (char*) field, len)); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - return(table); -} - -/********************************************************************//** -This function is called when the database is booted. Loads system table -index definitions except for the clustered index which is added to the -dictionary cache at booting before calling this function. */ -UNIV_INTERN -void -dict_load_sys_table( -/*================*/ - dict_table_t* table) /*!< in: system table */ -{ - mem_heap_t* heap; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - heap = mem_heap_create(1000); - - dict_load_indexes(table, heap); - - mem_heap_free(heap); -} - -/********************************************************************//** -Loads foreign key constraint col names (also for the referenced table). */ -static -void -dict_load_foreign_cols( -/*===================*/ - const char* id, /*!< in: foreign constraint id as a - null-terminated string */ - dict_foreign_t* foreign)/*!< in: foreign constraint object */ -{ - dict_table_t* sys_foreign_cols; - dict_index_t* sys_index; - btr_pcur_t pcur; - dtuple_t* tuple; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - ulint i; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - foreign->foreign_col_names = mem_heap_alloc( - foreign->heap, foreign->n_fields * sizeof(void*)); - - foreign->referenced_col_names = mem_heap_alloc( - foreign->heap, foreign->n_fields * sizeof(void*)); - mtr_start(&mtr); - - sys_foreign_cols = dict_table_get_low("SYS_FOREIGN_COLS"); - sys_index = UT_LIST_GET_FIRST(sys_foreign_cols->indexes); - ut_a(!dict_table_is_comp(sys_foreign_cols)); - - tuple = dtuple_create(foreign->heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(dfield, id, ut_strlen(id)); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - for (i = 0; i < foreign->n_fields; i++) { - - rec = btr_pcur_get_rec(&pcur); - - ut_a(btr_pcur_is_on_user_rec(&pcur)); - ut_a(!rec_get_deleted_flag(rec, 0)); - - field = rec_get_nth_field_old(rec, 0, &len); - ut_a(len == ut_strlen(id)); - ut_a(ut_memcmp(id, field, len) == 0); - - field = rec_get_nth_field_old(rec, 1, &len); - ut_a(len == 4); - ut_a(i == mach_read_from_4(field)); - - field = rec_get_nth_field_old(rec, 4, &len); - foreign->foreign_col_names[i] = mem_heap_strdupl( - foreign->heap, (char*) field, len); - - field = rec_get_nth_field_old(rec, 5, &len); - foreign->referenced_col_names[i] = mem_heap_strdupl( - foreign->heap, (char*) field, len); - - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); -} - -/***********************************************************************//** -Loads a foreign key constraint to the dictionary cache. -@return DB_SUCCESS or error code */ -static -ulint -dict_load_foreign( -/*==============*/ - const char* id, /*!< in: foreign constraint id as a - null-terminated string */ - ibool check_charsets) - /*!< in: TRUE=check charset compatibility */ -{ - dict_foreign_t* foreign; - dict_table_t* sys_foreign; - btr_pcur_t pcur; - dict_index_t* sys_index; - dtuple_t* tuple; - mem_heap_t* heap2; - dfield_t* dfield; - const rec_t* rec; - const byte* field; - ulint len; - ulint n_fields_and_type; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - heap2 = mem_heap_create(1000); - - mtr_start(&mtr); - - sys_foreign = dict_table_get_low("SYS_FOREIGN"); - sys_index = UT_LIST_GET_FIRST(sys_foreign->indexes); - ut_a(!dict_table_is_comp(sys_foreign)); - - tuple = dtuple_create(heap2, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(dfield, id, ut_strlen(id)); - dict_index_copy_types(tuple, sys_index, 1); - - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur) - || rec_get_deleted_flag(rec, 0)) { - /* Not found */ - - fprintf(stderr, - "InnoDB: Error A: cannot load foreign constraint %s\n", - id); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap2); - - return(DB_ERROR); - } - - field = rec_get_nth_field_old(rec, 0, &len); - - /* Check if the id in record is the searched one */ - if (len != ut_strlen(id) || ut_memcmp(id, field, len) != 0) { - - fprintf(stderr, - "InnoDB: Error B: cannot load foreign constraint %s\n", - id); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap2); - - return(DB_ERROR); - } - - /* Read the table names and the number of columns associated - with the constraint */ - - mem_heap_free(heap2); - - foreign = dict_mem_foreign_create(); - - n_fields_and_type = mach_read_from_4( - rec_get_nth_field_old(rec, 5, &len)); - - ut_a(len == 4); - - /* We store the type in the bits 24..29 of n_fields_and_type. */ - - foreign->type = (unsigned int) (n_fields_and_type >> 24); - foreign->n_fields = (unsigned int) (n_fields_and_type & 0x3FFUL); - - foreign->id = mem_heap_strdup(foreign->heap, id); - - field = rec_get_nth_field_old(rec, 3, &len); - foreign->foreign_table_name = mem_heap_strdupl( - foreign->heap, (char*) field, len); - - field = rec_get_nth_field_old(rec, 4, &len); - foreign->referenced_table_name = mem_heap_strdupl( - foreign->heap, (char*) field, len); - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - dict_load_foreign_cols(id, foreign); - - /* If the foreign table is not yet in the dictionary cache, we - have to load it so that we are able to make type comparisons - in the next function call. */ - - dict_table_get_low(foreign->foreign_table_name); - - /* Note that there may already be a foreign constraint object in - the dictionary cache for this constraint: then the following - call only sets the pointers in it to point to the appropriate table - and index objects and frees the newly created object foreign. - Adding to the cache should always succeed since we are not creating - a new foreign key constraint but loading one from the data - dictionary. */ - - return(dict_foreign_add_to_cache(foreign, check_charsets)); -} - -/***********************************************************************//** -Loads foreign key constraints where the table is either the foreign key -holder or where the table is referenced by a foreign key. Adds these -constraints to the data dictionary. Note that we know that the dictionary -cache already contains all constraints where the other relevant table is -already in the dictionary cache. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_load_foreigns( -/*===============*/ - const char* table_name, /*!< in: table name */ - ibool check_charsets) /*!< in: TRUE=check charset - compatibility */ -{ - btr_pcur_t pcur; - mem_heap_t* heap; - dtuple_t* tuple; - dfield_t* dfield; - dict_index_t* sec_index; - dict_table_t* sys_foreign; - const rec_t* rec; - const byte* field; - ulint len; - char* id ; - ulint err; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - sys_foreign = dict_table_get_low("SYS_FOREIGN"); - - if (sys_foreign == NULL) { - /* No foreign keys defined yet in this database */ - - fprintf(stderr, - "InnoDB: Error: no foreign key system tables" - " in the database\n"); - - return(DB_ERROR); - } - - ut_a(!dict_table_is_comp(sys_foreign)); - mtr_start(&mtr); - - /* Get the secondary index based on FOR_NAME from table - SYS_FOREIGN */ - - sec_index = dict_table_get_next_index( - dict_table_get_first_index(sys_foreign)); -start_load: - heap = mem_heap_create(256); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(dfield, table_name, ut_strlen(table_name)); - dict_index_copy_types(tuple, sec_index, 1); - - btr_pcur_open_on_user_rec(sec_index, tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); -loop: - rec = btr_pcur_get_rec(&pcur); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* End of index */ - - goto load_next_index; - } - - /* Now we have the record in the secondary index containing a table - name and a foreign constraint ID */ - - rec = btr_pcur_get_rec(&pcur); - field = rec_get_nth_field_old(rec, 0, &len); - - /* Check if the table name in the record is the one searched for; the - following call does the comparison in the latin1_swedish_ci - charset-collation, in a case-insensitive way. */ - - if (0 != cmp_data_data(dfield_get_type(dfield)->mtype, - dfield_get_type(dfield)->prtype, - dfield_get_data(dfield), dfield_get_len(dfield), - field, len)) { - - goto load_next_index; - } - - /* Since table names in SYS_FOREIGN are stored in a case-insensitive - order, we have to check that the table name matches also in a binary - string comparison. On Unix, MySQL allows table names that only differ - in character case. */ - - if (0 != ut_memcmp(field, table_name, len)) { - - goto next_rec; - } - - if (rec_get_deleted_flag(rec, 0)) { - - goto next_rec; - } - - /* Now we get a foreign key constraint id */ - field = rec_get_nth_field_old(rec, 1, &len); - id = mem_heap_strdupl(heap, (char*) field, len); - - btr_pcur_store_position(&pcur, &mtr); - - mtr_commit(&mtr); - - /* Load the foreign constraint definition to the dictionary cache */ - - err = dict_load_foreign(id, check_charsets); - - if (err != DB_SUCCESS) { - btr_pcur_close(&pcur); - mem_heap_free(heap); - - return(err); - } - - mtr_start(&mtr); - - btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); -next_rec: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - goto loop; - -load_next_index: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - - sec_index = dict_table_get_next_index(sec_index); - - if (sec_index != NULL) { - - mtr_start(&mtr); - - goto start_load; - } - - return(DB_SUCCESS); -} diff --git a/perfschema/dict/dict0mem.c b/perfschema/dict/dict0mem.c deleted file mode 100644 index 66b4b43f296..00000000000 --- a/perfschema/dict/dict0mem.c +++ /dev/null @@ -1,319 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file dict/dict0mem.c -Data dictionary memory object creation - -Created 1/8/1996 Heikki Tuuri -***********************************************************************/ - -#include "dict0mem.h" - -#ifdef UNIV_NONINL -#include "dict0mem.ic" -#endif - -#include "rem0rec.h" -#include "data0type.h" -#include "mach0data.h" -#include "dict0dict.h" -#ifndef UNIV_HOTBACKUP -# include "lock0lock.h" -#endif /* !UNIV_HOTBACKUP */ - -#define DICT_HEAP_SIZE 100 /*!< initial memory heap size when - creating a table or index object */ - -/**********************************************************************//** -Creates a table memory object. -@return own: table object */ -UNIV_INTERN -dict_table_t* -dict_mem_table_create( -/*==================*/ - const char* name, /*!< in: table name */ - ulint space, /*!< in: space where the clustered index of - the table is placed; this parameter is - ignored if the table is made a member of - a cluster */ - ulint n_cols, /*!< in: number of columns */ - ulint flags) /*!< in: table flags */ -{ - dict_table_t* table; - mem_heap_t* heap; - - ut_ad(name); - ut_a(!(flags & (~0 << DICT_TF2_BITS))); - - heap = mem_heap_create(DICT_HEAP_SIZE); - - table = mem_heap_zalloc(heap, sizeof(dict_table_t)); - - table->heap = heap; - - table->flags = (unsigned int) flags; - table->name = mem_heap_strdup(heap, name); - table->space = (unsigned int) space; - table->n_cols = (unsigned int) (n_cols + DATA_N_SYS_COLS); - - table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS) - * sizeof(dict_col_t)); - -#ifndef UNIV_HOTBACKUP - table->autoinc_lock = mem_heap_alloc(heap, lock_get_size()); - - mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); - - table->autoinc = 0; - - /* The number of transactions that are either waiting on the - AUTOINC lock or have been granted the lock. */ - table->n_waiting_or_granted_auto_inc_locks = 0; -#endif /* !UNIV_HOTBACKUP */ - - ut_d(table->magic_n = DICT_TABLE_MAGIC_N); - return(table); -} - -/****************************************************************//** -Free a table memory object. */ -UNIV_INTERN -void -dict_mem_table_free( -/*================*/ - dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_d(table->cached = FALSE); - -#ifndef UNIV_HOTBACKUP - mutex_free(&(table->autoinc_mutex)); -#endif /* UNIV_HOTBACKUP */ - mem_heap_free(table->heap); -} - -/****************************************************************//** -Append 'name' to 'col_names'. @see dict_table_t::col_names -@return new column names array */ -static -const char* -dict_add_col_name( -/*==============*/ - const char* col_names, /*!< in: existing column names, or - NULL */ - ulint cols, /*!< in: number of existing columns */ - const char* name, /*!< in: new column name */ - mem_heap_t* heap) /*!< in: heap */ -{ - ulint old_len; - ulint new_len; - ulint total_len; - char* res; - - ut_ad(!cols == !col_names); - - /* Find out length of existing array. */ - if (col_names) { - const char* s = col_names; - ulint i; - - for (i = 0; i < cols; i++) { - s += strlen(s) + 1; - } - - old_len = s - col_names; - } else { - old_len = 0; - } - - new_len = strlen(name) + 1; - total_len = old_len + new_len; - - res = mem_heap_alloc(heap, total_len); - - if (old_len > 0) { - memcpy(res, col_names, old_len); - } - - memcpy(res + old_len, name, new_len); - - return(res); -} - -/**********************************************************************//** -Adds a column definition to a table. */ -UNIV_INTERN -void -dict_mem_table_add_col( -/*===================*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ - const char* name, /*!< in: column name, or NULL */ - ulint mtype, /*!< in: main datatype */ - ulint prtype, /*!< in: precise type */ - ulint len) /*!< in: precision */ -{ - dict_col_t* col; -#ifndef UNIV_HOTBACKUP - ulint mbminlen; - ulint mbmaxlen; -#endif /* !UNIV_HOTBACKUP */ - ulint i; - - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_ad(!heap == !name); - - i = table->n_def++; - - if (name) { - if (UNIV_UNLIKELY(table->n_def == table->n_cols)) { - heap = table->heap; - } - if (UNIV_LIKELY(i) && UNIV_UNLIKELY(!table->col_names)) { - /* All preceding column names are empty. */ - char* s = mem_heap_zalloc(heap, table->n_def); - table->col_names = s; - } - - table->col_names = dict_add_col_name(table->col_names, - i, name, heap); - } - - col = dict_table_get_nth_col(table, i); - - col->ind = (unsigned int) i; - col->ord_part = 0; - - col->mtype = (unsigned int) mtype; - col->prtype = (unsigned int) prtype; - col->len = (unsigned int) len; - -#ifndef UNIV_HOTBACKUP - dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen); - - col->mbminlen = (unsigned int) mbminlen; - col->mbmaxlen = (unsigned int) mbmaxlen; -#endif /* !UNIV_HOTBACKUP */ -} - -/**********************************************************************//** -Creates an index memory object. -@return own: index object */ -UNIV_INTERN -dict_index_t* -dict_mem_index_create( -/*==================*/ - const char* table_name, /*!< in: table name */ - const char* index_name, /*!< in: index name */ - ulint space, /*!< in: space where the index tree is - placed, ignored if the index is of - the clustered type */ - ulint type, /*!< in: DICT_UNIQUE, - DICT_CLUSTERED, ... ORed */ - ulint n_fields) /*!< in: number of fields */ -{ - dict_index_t* index; - mem_heap_t* heap; - - ut_ad(table_name && index_name); - - heap = mem_heap_create(DICT_HEAP_SIZE); - index = mem_heap_zalloc(heap, sizeof(dict_index_t)); - - index->heap = heap; - - index->type = type; -#ifndef UNIV_HOTBACKUP - index->space = (unsigned int) space; -#endif /* !UNIV_HOTBACKUP */ - index->name = mem_heap_strdup(heap, index_name); - index->table_name = table_name; - index->n_fields = (unsigned int) n_fields; - index->fields = mem_heap_alloc(heap, 1 + n_fields - * sizeof(dict_field_t)); - /* The '1 +' above prevents allocation - of an empty mem block */ -#ifdef UNIV_DEBUG - index->magic_n = DICT_INDEX_MAGIC_N; -#endif /* UNIV_DEBUG */ - return(index); -} - -/**********************************************************************//** -Creates and initializes a foreign constraint memory object. -@return own: foreign constraint struct */ -UNIV_INTERN -dict_foreign_t* -dict_mem_foreign_create(void) -/*=========================*/ -{ - dict_foreign_t* foreign; - mem_heap_t* heap; - - heap = mem_heap_create(100); - - foreign = mem_heap_zalloc(heap, sizeof(dict_foreign_t)); - - foreign->heap = heap; - - return(foreign); -} - -/**********************************************************************//** -Adds a field definition to an index. NOTE: does not take a copy -of the column name if the field is a column. The memory occupied -by the column name may be released only after publishing the index. */ -UNIV_INTERN -void -dict_mem_index_add_field( -/*=====================*/ - dict_index_t* index, /*!< in: index */ - const char* name, /*!< in: column name */ - ulint prefix_len) /*!< in: 0 or the column prefix length - in a MySQL index like - INDEX (textcol(25)) */ -{ - dict_field_t* field; - - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - index->n_def++; - - field = dict_index_get_nth_field(index, index->n_def - 1); - - field->name = name; - field->prefix_len = (unsigned int) prefix_len; -} - -/**********************************************************************//** -Frees an index memory object. */ -UNIV_INTERN -void -dict_mem_index_free( -/*================*/ - dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - mem_heap_free(index->heap); -} diff --git a/perfschema/dyn/dyn0dyn.c b/perfschema/dyn/dyn0dyn.c deleted file mode 100644 index e1275f040f3..00000000000 --- a/perfschema/dyn/dyn0dyn.c +++ /dev/null @@ -1,65 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file dyn/dyn0dyn.c -The dynamically allocated array - -Created 2/5/1996 Heikki Tuuri -*******************************************************/ - -#include "dyn0dyn.h" -#ifdef UNIV_NONINL -#include "dyn0dyn.ic" -#endif - -/************************************************************//** -Adds a new block to a dyn array. -@return created block */ -UNIV_INTERN -dyn_block_t* -dyn_array_add_block( -/*================*/ - dyn_array_t* arr) /*!< in: dyn array */ -{ - mem_heap_t* heap; - dyn_block_t* block; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - - if (arr->heap == NULL) { - UT_LIST_INIT(arr->base); - UT_LIST_ADD_FIRST(list, arr->base, arr); - - arr->heap = mem_heap_create(sizeof(dyn_block_t)); - } - - block = dyn_array_get_last_block(arr); - block->used = block->used | DYN_BLOCK_FULL_FLAG; - - heap = arr->heap; - - block = mem_heap_alloc(heap, sizeof(dyn_block_t)); - - block->used = 0; - - UT_LIST_ADD_LAST(list, arr->base, block); - - return(block); -} diff --git a/perfschema/eval/eval0eval.c b/perfschema/eval/eval0eval.c deleted file mode 100644 index 589b0fa1576..00000000000 --- a/perfschema/eval/eval0eval.c +++ /dev/null @@ -1,852 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file eval/eval0eval.c -SQL evaluator: evaluates simple data structures, like expressions, in -a query graph - -Created 12/29/1997 Heikki Tuuri -*******************************************************/ - -#include "eval0eval.h" - -#ifdef UNIV_NONINL -#include "eval0eval.ic" -#endif - -#include "data0data.h" -#include "row0sel.h" - -/** The RND function seed */ -static ulint eval_rnd = 128367121; - -/** Dummy adress used when we should allocate a buffer of size 0 in -eval_node_alloc_val_buf */ - -static byte eval_dummy; - -/*****************************************************************//** -Allocate a buffer from global dynamic memory for a value of a que_node. -NOTE that this memory must be explicitly freed when the query graph is -freed. If the node already has an allocated buffer, that buffer is freed -here. NOTE that this is the only function where dynamic memory should be -allocated for a query node val field. -@return pointer to allocated buffer */ -UNIV_INTERN -byte* -eval_node_alloc_val_buf( -/*====================*/ - que_node_t* node, /*!< in: query graph node; sets the val field - data field to point to the new buffer, and - len field equal to size */ - ulint size) /*!< in: buffer size */ -{ - dfield_t* dfield; - byte* data; - - ut_ad(que_node_get_type(node) == QUE_NODE_SYMBOL - || que_node_get_type(node) == QUE_NODE_FUNC); - - dfield = que_node_get_val(node); - - data = dfield_get_data(dfield); - - if (data && data != &eval_dummy) { - mem_free(data); - } - - if (size == 0) { - data = &eval_dummy; - } else { - data = mem_alloc(size); - } - - que_node_set_val_buf_size(node, size); - - dfield_set_data(dfield, data, size); - - return(data); -} - -/*****************************************************************//** -Free the buffer from global dynamic memory for a value of a que_node, -if it has been allocated in the above function. The freeing for pushed -column values is done in sel_col_prefetch_buf_free. */ -UNIV_INTERN -void -eval_node_free_val_buf( -/*===================*/ - que_node_t* node) /*!< in: query graph node */ -{ - dfield_t* dfield; - byte* data; - - ut_ad(que_node_get_type(node) == QUE_NODE_SYMBOL - || que_node_get_type(node) == QUE_NODE_FUNC); - - dfield = que_node_get_val(node); - - data = dfield_get_data(dfield); - - if (que_node_get_val_buf_size(node) > 0) { - ut_a(data); - - mem_free(data); - } -} - -/*****************************************************************//** -Evaluates a comparison node. -@return the result of the comparison */ -UNIV_INTERN -ibool -eval_cmp( -/*=====*/ - func_node_t* cmp_node) /*!< in: comparison node */ -{ - que_node_t* arg1; - que_node_t* arg2; - int res; - ibool val; - int func; - - ut_ad(que_node_get_type(cmp_node) == QUE_NODE_FUNC); - - arg1 = cmp_node->args; - arg2 = que_node_get_next(arg1); - - res = cmp_dfield_dfield(que_node_get_val(arg1), - que_node_get_val(arg2)); - val = TRUE; - - func = cmp_node->func; - - if (func == '=') { - if (res != 0) { - val = FALSE; - } - } else if (func == '<') { - if (res != -1) { - val = FALSE; - } - } else if (func == PARS_LE_TOKEN) { - if (res == 1) { - val = FALSE; - } - } else if (func == PARS_NE_TOKEN) { - if (res == 0) { - val = FALSE; - } - } else if (func == PARS_GE_TOKEN) { - if (res == -1) { - val = FALSE; - } - } else { - ut_ad(func == '>'); - - if (res != 1) { - val = FALSE; - } - } - - eval_node_set_ibool_val(cmp_node, val); - - return(val); -} - -/*****************************************************************//** -Evaluates a logical operation node. */ -UNIV_INLINE -void -eval_logical( -/*=========*/ - func_node_t* logical_node) /*!< in: logical operation node */ -{ - que_node_t* arg1; - que_node_t* arg2; - ibool val1; - ibool val2 = 0; /* remove warning */ - ibool val = 0; /* remove warning */ - int func; - - ut_ad(que_node_get_type(logical_node) == QUE_NODE_FUNC); - - arg1 = logical_node->args; - arg2 = que_node_get_next(arg1); /* arg2 is NULL if func is 'NOT' */ - - val1 = eval_node_get_ibool_val(arg1); - - if (arg2) { - val2 = eval_node_get_ibool_val(arg2); - } - - func = logical_node->func; - - if (func == PARS_AND_TOKEN) { - val = val1 & val2; - } else if (func == PARS_OR_TOKEN) { - val = val1 | val2; - } else if (func == PARS_NOT_TOKEN) { - val = TRUE - val1; - } else { - ut_error; - } - - eval_node_set_ibool_val(logical_node, val); -} - -/*****************************************************************//** -Evaluates an arithmetic operation node. */ -UNIV_INLINE -void -eval_arith( -/*=======*/ - func_node_t* arith_node) /*!< in: arithmetic operation node */ -{ - que_node_t* arg1; - que_node_t* arg2; - lint val1; - lint val2 = 0; /* remove warning */ - lint val; - int func; - - ut_ad(que_node_get_type(arith_node) == QUE_NODE_FUNC); - - arg1 = arith_node->args; - arg2 = que_node_get_next(arg1); /* arg2 is NULL if func is unary '-' */ - - val1 = eval_node_get_int_val(arg1); - - if (arg2) { - val2 = eval_node_get_int_val(arg2); - } - - func = arith_node->func; - - if (func == '+') { - val = val1 + val2; - } else if ((func == '-') && arg2) { - val = val1 - val2; - } else if (func == '-') { - val = -val1; - } else if (func == '*') { - val = val1 * val2; - } else { - ut_ad(func == '/'); - val = val1 / val2; - } - - eval_node_set_int_val(arith_node, val); -} - -/*****************************************************************//** -Evaluates an aggregate operation node. */ -UNIV_INLINE -void -eval_aggregate( -/*===========*/ - func_node_t* node) /*!< in: aggregate operation node */ -{ - que_node_t* arg; - lint val; - lint arg_val; - int func; - - ut_ad(que_node_get_type(node) == QUE_NODE_FUNC); - - val = eval_node_get_int_val(node); - - func = node->func; - - if (func == PARS_COUNT_TOKEN) { - - val = val + 1; - } else { - ut_ad(func == PARS_SUM_TOKEN); - - arg = node->args; - arg_val = eval_node_get_int_val(arg); - - val = val + arg_val; - } - - eval_node_set_int_val(node, val); -} - -/*****************************************************************//** -Evaluates a predefined function node where the function is not relevant -in benchmarks. */ -static -void -eval_predefined_2( -/*==============*/ - func_node_t* func_node) /*!< in: predefined function node */ -{ - que_node_t* arg; - que_node_t* arg1; - que_node_t* arg2 = 0; /* remove warning (??? bug ???) */ - lint int_val; - byte* data; - ulint len1; - ulint len2; - int func; - ulint i; - - ut_ad(que_node_get_type(func_node) == QUE_NODE_FUNC); - - arg1 = func_node->args; - - if (arg1) { - arg2 = que_node_get_next(arg1); - } - - func = func_node->func; - - if (func == PARS_PRINTF_TOKEN) { - - arg = arg1; - - while (arg) { - dfield_print(que_node_get_val(arg)); - - arg = que_node_get_next(arg); - } - - putc('\n', stderr); - - } else if (func == PARS_ASSERT_TOKEN) { - - if (!eval_node_get_ibool_val(arg1)) { - fputs("SQL assertion fails in a stored procedure!\n", - stderr); - } - - ut_a(eval_node_get_ibool_val(arg1)); - - /* This function, or more precisely, a debug procedure, - returns no value */ - - } else if (func == PARS_RND_TOKEN) { - - len1 = (ulint)eval_node_get_int_val(arg1); - len2 = (ulint)eval_node_get_int_val(arg2); - - ut_ad(len2 >= len1); - - if (len2 > len1) { - int_val = (lint) (len1 - + (eval_rnd % (len2 - len1 + 1))); - } else { - int_val = (lint) len1; - } - - eval_rnd = ut_rnd_gen_next_ulint(eval_rnd); - - eval_node_set_int_val(func_node, int_val); - - } else if (func == PARS_RND_STR_TOKEN) { - - len1 = (ulint)eval_node_get_int_val(arg1); - - data = eval_node_ensure_val_buf(func_node, len1); - - for (i = 0; i < len1; i++) { - data[i] = (byte)(97 + (eval_rnd % 3)); - - eval_rnd = ut_rnd_gen_next_ulint(eval_rnd); - } - } else { - ut_error; - } -} - -/*****************************************************************//** -Evaluates a notfound-function node. */ -UNIV_INLINE -void -eval_notfound( -/*==========*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - que_node_t* arg2; - sym_node_t* cursor; - sel_node_t* sel_node; - ibool ibool_val; - - arg1 = func_node->args; - arg2 = que_node_get_next(arg1); - - ut_ad(func_node->func == PARS_NOTFOUND_TOKEN); - - cursor = arg1; - - ut_ad(que_node_get_type(cursor) == QUE_NODE_SYMBOL); - - if (cursor->token_type == SYM_LIT) { - - ut_ad(ut_memcmp(dfield_get_data(que_node_get_val(cursor)), - "SQL", 3) == 0); - - sel_node = cursor->sym_table->query_graph->last_sel_node; - } else { - sel_node = cursor->alias->cursor_def; - } - - if (sel_node->state == SEL_NODE_NO_MORE_ROWS) { - ibool_val = TRUE; - } else { - ibool_val = FALSE; - } - - eval_node_set_ibool_val(func_node, ibool_val); -} - -/*****************************************************************//** -Evaluates a substr-function node. */ -UNIV_INLINE -void -eval_substr( -/*========*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - que_node_t* arg2; - que_node_t* arg3; - dfield_t* dfield; - byte* str1; - ulint len1; - ulint len2; - - arg1 = func_node->args; - arg2 = que_node_get_next(arg1); - - ut_ad(func_node->func == PARS_SUBSTR_TOKEN); - - arg3 = que_node_get_next(arg2); - - str1 = dfield_get_data(que_node_get_val(arg1)); - - len1 = (ulint)eval_node_get_int_val(arg2); - len2 = (ulint)eval_node_get_int_val(arg3); - - dfield = que_node_get_val(func_node); - - dfield_set_data(dfield, str1 + len1, len2); -} - -/*****************************************************************//** -Evaluates a replstr-procedure node. */ -static -void -eval_replstr( -/*=========*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - que_node_t* arg2; - que_node_t* arg3; - que_node_t* arg4; - byte* str1; - byte* str2; - ulint len1; - ulint len2; - - arg1 = func_node->args; - arg2 = que_node_get_next(arg1); - - ut_ad(que_node_get_type(arg1) == QUE_NODE_SYMBOL); - - arg3 = que_node_get_next(arg2); - arg4 = que_node_get_next(arg3); - - str1 = dfield_get_data(que_node_get_val(arg1)); - str2 = dfield_get_data(que_node_get_val(arg2)); - - len1 = (ulint)eval_node_get_int_val(arg3); - len2 = (ulint)eval_node_get_int_val(arg4); - - if ((dfield_get_len(que_node_get_val(arg1)) < len1 + len2) - || (dfield_get_len(que_node_get_val(arg2)) < len2)) { - - ut_error; - } - - ut_memcpy(str1 + len1, str2, len2); -} - -/*****************************************************************//** -Evaluates an instr-function node. */ -static -void -eval_instr( -/*=======*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - que_node_t* arg2; - dfield_t* dfield1; - dfield_t* dfield2; - lint int_val; - byte* str1; - byte* str2; - byte match_char; - ulint len1; - ulint len2; - ulint i; - ulint j; - - arg1 = func_node->args; - arg2 = que_node_get_next(arg1); - - dfield1 = que_node_get_val(arg1); - dfield2 = que_node_get_val(arg2); - - str1 = dfield_get_data(dfield1); - str2 = dfield_get_data(dfield2); - - len1 = dfield_get_len(dfield1); - len2 = dfield_get_len(dfield2); - - if (len2 == 0) { - ut_error; - } - - match_char = str2[0]; - - for (i = 0; i < len1; i++) { - /* In this outer loop, the number of matched characters is 0 */ - - if (str1[i] == match_char) { - - if (i + len2 > len1) { - - break; - } - - for (j = 1;; j++) { - /* We have already matched j characters */ - - if (j == len2) { - int_val = i + 1; - - goto match_found; - } - - if (str1[i + j] != str2[j]) { - - break; - } - } - } - } - - int_val = 0; - -match_found: - eval_node_set_int_val(func_node, int_val); -} - -/*****************************************************************//** -Evaluates a predefined function node. */ -UNIV_INLINE -void -eval_binary_to_number( -/*==================*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - dfield_t* dfield; - byte* str1; - byte* str2; - ulint len1; - ulint int_val; - - arg1 = func_node->args; - - dfield = que_node_get_val(arg1); - - str1 = dfield_get_data(dfield); - len1 = dfield_get_len(dfield); - - if (len1 > 4) { - ut_error; - } - - if (len1 == 4) { - str2 = str1; - } else { - int_val = 0; - str2 = (byte*)&int_val; - - ut_memcpy(str2 + (4 - len1), str1, len1); - } - - eval_node_copy_and_alloc_val(func_node, str2, 4); -} - -/*****************************************************************//** -Evaluates a predefined function node. */ -static -void -eval_concat( -/*========*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg; - dfield_t* dfield; - byte* data; - ulint len; - ulint len1; - - arg = func_node->args; - len = 0; - - while (arg) { - len1 = dfield_get_len(que_node_get_val(arg)); - - len += len1; - - arg = que_node_get_next(arg); - } - - data = eval_node_ensure_val_buf(func_node, len); - - arg = func_node->args; - len = 0; - - while (arg) { - dfield = que_node_get_val(arg); - len1 = dfield_get_len(dfield); - - ut_memcpy(data + len, dfield_get_data(dfield), len1); - - len += len1; - - arg = que_node_get_next(arg); - } -} - -/*****************************************************************//** -Evaluates a predefined function node. If the first argument is an integer, -this function looks at the second argument which is the integer length in -bytes, and converts the integer to a VARCHAR. -If the first argument is of some other type, this function converts it to -BINARY. */ -UNIV_INLINE -void -eval_to_binary( -/*===========*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - que_node_t* arg2; - dfield_t* dfield; - byte* str1; - ulint len; - ulint len1; - - arg1 = func_node->args; - - str1 = dfield_get_data(que_node_get_val(arg1)); - - if (dtype_get_mtype(que_node_get_data_type(arg1)) != DATA_INT) { - - len = dfield_get_len(que_node_get_val(arg1)); - - dfield = que_node_get_val(func_node); - - dfield_set_data(dfield, str1, len); - - return; - } - - arg2 = que_node_get_next(arg1); - - len1 = (ulint)eval_node_get_int_val(arg2); - - if (len1 > 4) { - - ut_error; - } - - dfield = que_node_get_val(func_node); - - dfield_set_data(dfield, str1 + (4 - len1), len1); -} - -/*****************************************************************//** -Evaluates a predefined function node. */ -UNIV_INLINE -void -eval_predefined( -/*============*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg1; - lint int_val; - byte* data; - int func; - - func = func_node->func; - - arg1 = func_node->args; - - if (func == PARS_LENGTH_TOKEN) { - - int_val = (lint)dfield_get_len(que_node_get_val(arg1)); - - } else if (func == PARS_TO_CHAR_TOKEN) { - - /* Convert number to character string as a - signed decimal integer. */ - - ulint uint_val; - int int_len; - - int_val = eval_node_get_int_val(arg1); - - /* Determine the length of the string. */ - - if (int_val == 0) { - int_len = 1; /* the number 0 occupies 1 byte */ - } else { - int_len = 0; - if (int_val < 0) { - uint_val = ((ulint) -int_val - 1) + 1; - int_len++; /* reserve space for minus sign */ - } else { - uint_val = (ulint) int_val; - } - for (; uint_val > 0; int_len++) { - uint_val /= 10; - } - } - - /* allocate the string */ - data = eval_node_ensure_val_buf(func_node, int_len + 1); - - /* add terminating NUL character */ - data[int_len] = 0; - - /* convert the number */ - - if (int_val == 0) { - data[0] = '0'; - } else { - int tmp; - if (int_val < 0) { - data[0] = '-'; /* preceding minus sign */ - uint_val = ((ulint) -int_val - 1) + 1; - } else { - uint_val = (ulint) int_val; - } - for (tmp = int_len; uint_val > 0; uint_val /= 10) { - data[--tmp] = (byte) - ('0' + (byte)(uint_val % 10)); - } - } - - dfield_set_len(que_node_get_val(func_node), int_len); - - return; - - } else if (func == PARS_TO_NUMBER_TOKEN) { - - int_val = atoi((char*) - dfield_get_data(que_node_get_val(arg1))); - - } else if (func == PARS_SYSDATE_TOKEN) { - int_val = (lint)ut_time(); - } else { - eval_predefined_2(func_node); - - return; - } - - eval_node_set_int_val(func_node, int_val); -} - -/*****************************************************************//** -Evaluates a function node. */ -UNIV_INTERN -void -eval_func( -/*======*/ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg; - ulint class; - ulint func; - - ut_ad(que_node_get_type(func_node) == QUE_NODE_FUNC); - - class = func_node->class; - func = func_node->func; - - arg = func_node->args; - - /* Evaluate first the argument list */ - while (arg) { - eval_exp(arg); - - /* The functions are not defined for SQL null argument - values, except for eval_cmp and notfound */ - - if (dfield_is_null(que_node_get_val(arg)) - && (class != PARS_FUNC_CMP) - && (func != PARS_NOTFOUND_TOKEN) - && (func != PARS_PRINTF_TOKEN)) { - ut_error; - } - - arg = que_node_get_next(arg); - } - - if (class == PARS_FUNC_CMP) { - eval_cmp(func_node); - } else if (class == PARS_FUNC_ARITH) { - eval_arith(func_node); - } else if (class == PARS_FUNC_AGGREGATE) { - eval_aggregate(func_node); - } else if (class == PARS_FUNC_PREDEFINED) { - - if (func == PARS_NOTFOUND_TOKEN) { - eval_notfound(func_node); - } else if (func == PARS_SUBSTR_TOKEN) { - eval_substr(func_node); - } else if (func == PARS_REPLSTR_TOKEN) { - eval_replstr(func_node); - } else if (func == PARS_INSTR_TOKEN) { - eval_instr(func_node); - } else if (func == PARS_BINARY_TO_NUMBER_TOKEN) { - eval_binary_to_number(func_node); - } else if (func == PARS_CONCAT_TOKEN) { - eval_concat(func_node); - } else if (func == PARS_TO_BINARY_TOKEN) { - eval_to_binary(func_node); - } else { - eval_predefined(func_node); - } - } else { - ut_ad(class == PARS_FUNC_LOGICAL); - - eval_logical(func_node); - } -} diff --git a/perfschema/eval/eval0proc.c b/perfschema/eval/eval0proc.c deleted file mode 100644 index 3a4218d92bf..00000000000 --- a/perfschema/eval/eval0proc.c +++ /dev/null @@ -1,295 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file eval/eval0proc.c -Executes SQL stored procedures and their control structures - -Created 1/20/1998 Heikki Tuuri -*******************************************************/ - -#include "eval0proc.h" - -#ifdef UNIV_NONINL -#include "eval0proc.ic" -#endif - -/**********************************************************************//** -Performs an execution step of an if-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -if_step( -/*====*/ - que_thr_t* thr) /*!< in: query thread */ -{ - if_node_t* node; - elsif_node_t* elsif_node; - - ut_ad(thr); - - node = thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_IF); - - if (thr->prev_node == que_node_get_parent(node)) { - - /* Evaluate the condition */ - - eval_exp(node->cond); - - if (eval_node_get_ibool_val(node->cond)) { - - /* The condition evaluated to TRUE: start execution - from the first statement in the statement list */ - - thr->run_node = node->stat_list; - - } else if (node->else_part) { - thr->run_node = node->else_part; - - } else if (node->elsif_list) { - elsif_node = node->elsif_list; - - for (;;) { - eval_exp(elsif_node->cond); - - if (eval_node_get_ibool_val( - elsif_node->cond)) { - - /* The condition evaluated to TRUE: - start execution from the first - statement in the statement list */ - - thr->run_node = elsif_node->stat_list; - - break; - } - - elsif_node = que_node_get_next(elsif_node); - - if (elsif_node == NULL) { - thr->run_node = NULL; - - break; - } - } - } else { - thr->run_node = NULL; - } - } else { - /* Move to the next statement */ - ut_ad(que_node_get_next(thr->prev_node) == NULL); - - thr->run_node = NULL; - } - - if (thr->run_node == NULL) { - thr->run_node = que_node_get_parent(node); - } - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of a while-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -while_step( -/*=======*/ - que_thr_t* thr) /*!< in: query thread */ -{ - while_node_t* node; - - ut_ad(thr); - - node = thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_WHILE); - - ut_ad((thr->prev_node == que_node_get_parent(node)) - || (que_node_get_next(thr->prev_node) == NULL)); - - /* Evaluate the condition */ - - eval_exp(node->cond); - - if (eval_node_get_ibool_val(node->cond)) { - - /* The condition evaluated to TRUE: start execution - from the first statement in the statement list */ - - thr->run_node = node->stat_list; - } else { - thr->run_node = que_node_get_parent(node); - } - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of an assignment statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -assign_step( -/*========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - assign_node_t* node; - - ut_ad(thr); - - node = thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_ASSIGNMENT); - - /* Evaluate the value to assign */ - - eval_exp(node->val); - - eval_node_copy_val(node->var->alias, node->val); - - thr->run_node = que_node_get_parent(node); - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of a for-loop node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -for_step( -/*=====*/ - que_thr_t* thr) /*!< in: query thread */ -{ - for_node_t* node; - que_node_t* parent; - lint loop_var_value; - - ut_ad(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_FOR); - - parent = que_node_get_parent(node); - - if (thr->prev_node != parent) { - - /* Move to the next statement */ - thr->run_node = que_node_get_next(thr->prev_node); - - if (thr->run_node != NULL) { - - return(thr); - } - - /* Increment the value of loop_var */ - - loop_var_value = 1 + eval_node_get_int_val(node->loop_var); - } else { - /* Initialize the loop */ - - eval_exp(node->loop_start_limit); - eval_exp(node->loop_end_limit); - - loop_var_value = eval_node_get_int_val(node->loop_start_limit); - - node->loop_end_value - = (int) eval_node_get_int_val(node->loop_end_limit); - } - - /* Check if we should do another loop */ - - if (loop_var_value > node->loop_end_value) { - - /* Enough loops done */ - - thr->run_node = parent; - } else { - eval_node_set_int_val(node->loop_var, loop_var_value); - - thr->run_node = node->stat_list; - } - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of an exit statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -exit_step( -/*======*/ - que_thr_t* thr) /*!< in: query thread */ -{ - exit_node_t* node; - que_node_t* loop_node; - - ut_ad(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_EXIT); - - /* Loops exit by setting thr->run_node as the loop node's parent, so - find our containing loop node and get its parent. */ - - loop_node = que_node_get_containing_loop_node(node); - - /* If someone uses an EXIT statement outside of a loop, this will - trigger. */ - ut_a(loop_node); - - thr->run_node = que_node_get_parent(loop_node); - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of a return-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -return_step( -/*========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - return_node_t* node; - que_node_t* parent; - - ut_ad(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_RETURN); - - parent = node; - - while (que_node_get_type(parent) != QUE_NODE_PROC) { - - parent = que_node_get_parent(parent); - } - - ut_a(parent); - - thr->run_node = que_node_get_parent(parent); - - return(thr); -} diff --git a/perfschema/fil/fil0fil.c b/perfschema/fil/fil0fil.c deleted file mode 100644 index f0fe36aa66a..00000000000 --- a/perfschema/fil/fil0fil.c +++ /dev/null @@ -1,4824 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file fil/fil0fil.c -The tablespace memory cache - -Created 10/25/1995 Heikki Tuuri -*******************************************************/ - -#include "fil0fil.h" - -#include "mem0mem.h" -#include "hash0hash.h" -#include "os0file.h" -#include "mach0data.h" -#include "buf0buf.h" -#include "buf0flu.h" -#include "log0recv.h" -#include "fsp0fsp.h" -#include "srv0srv.h" -#include "srv0start.h" -#include "mtr0mtr.h" -#include "mtr0log.h" -#include "dict0dict.h" -#include "page0page.h" -#include "page0zip.h" -#ifndef UNIV_HOTBACKUP -# include "buf0lru.h" -# include "ibuf0ibuf.h" -# include "sync0sync.h" -# include "os0sync.h" -#else /* !UNIV_HOTBACKUP */ -static ulint srv_data_read, srv_data_written; -#endif /* !UNIV_HOTBACKUP */ - -/* - IMPLEMENTATION OF THE TABLESPACE MEMORY CACHE - ============================================= - -The tablespace cache is responsible for providing fast read/write access to -tablespaces and logs of the database. File creation and deletion is done -in other modules which know more of the logic of the operation, however. - -A tablespace consists of a chain of files. The size of the files does not -have to be divisible by the database block size, because we may just leave -the last incomplete block unused. When a new file is appended to the -tablespace, the maximum size of the file is also specified. At the moment, -we think that it is best to extend the file to its maximum size already at -the creation of the file, because then we can avoid dynamically extending -the file when more space is needed for the tablespace. - -A block's position in the tablespace is specified with a 32-bit unsigned -integer. The files in the chain are thought to be catenated, and the block -corresponding to an address n is the nth block in the catenated file (where -the first block is named the 0th block, and the incomplete block fragments -at the end of files are not taken into account). A tablespace can be extended -by appending a new file at the end of the chain. - -Our tablespace concept is similar to the one of Oracle. - -To acquire more speed in disk transfers, a technique called disk striping is -sometimes used. This means that logical block addresses are divided in a -round-robin fashion across several disks. Windows NT supports disk striping, -so there we do not need to support it in the database. Disk striping is -implemented in hardware in RAID disks. We conclude that it is not necessary -to implement it in the database. Oracle 7 does not support disk striping, -either. - -Another trick used at some database sites is replacing tablespace files by -raw disks, that is, the whole physical disk drive, or a partition of it, is -opened as a single file, and it is accessed through byte offsets calculated -from the start of the disk or the partition. This is recommended in some -books on database tuning to achieve more speed in i/o. Using raw disk -certainly prevents the OS from fragmenting disk space, but it is not clear -if it really adds speed. We measured on the Pentium 100 MHz + NT + NTFS file -system + EIDE Conner disk only a negligible difference in speed when reading -from a file, versus reading from a raw disk. - -To have fast access to a tablespace or a log file, we put the data structures -to a hash table. Each tablespace and log file is given an unique 32-bit -identifier. - -Some operating systems do not support many open files at the same time, -though NT seems to tolerate at least 900 open files. Therefore, we put the -open files in an LRU-list. If we need to open another file, we may close the -file at the end of the LRU-list. When an i/o-operation is pending on a file, -the file cannot be closed. We take the file nodes with pending i/o-operations -out of the LRU-list and keep a count of pending operations. When an operation -completes, we decrement the count and return the file node to the LRU-list if -the count drops to zero. */ - -/** When mysqld is run, the default directory "." is the mysqld datadir, -but in the MySQL Embedded Server Library and ibbackup it is not the default -directory, and we must set the base file path explicitly */ -UNIV_INTERN const char* fil_path_to_mysql_datadir = "."; - -/** The number of fsyncs done to the log */ -UNIV_INTERN ulint fil_n_log_flushes = 0; - -/** Number of pending redo log flushes */ -UNIV_INTERN ulint fil_n_pending_log_flushes = 0; -/** Number of pending tablespace flushes */ -UNIV_INTERN ulint fil_n_pending_tablespace_flushes = 0; - -/** The null file address */ -UNIV_INTERN fil_addr_t fil_addr_null = {FIL_NULL, 0}; - -/** File node of a tablespace or the log data space */ -struct fil_node_struct { - fil_space_t* space; /*!< backpointer to the space where this node - belongs */ - char* name; /*!< path to the file */ - ibool open; /*!< TRUE if file open */ - os_file_t handle; /*!< OS handle to the file, if file open */ - ibool is_raw_disk;/*!< TRUE if the 'file' is actually a raw - device or a raw disk partition */ - ulint size; /*!< size of the file in database pages, 0 if - not known yet; the possible last incomplete - megabyte may be ignored if space == 0 */ - ulint n_pending; - /*!< count of pending i/o's on this file; - closing of the file is not allowed if - this is > 0 */ - ulint n_pending_flushes; - /*!< count of pending flushes on this file; - closing of the file is not allowed if - this is > 0 */ - ib_int64_t modification_counter;/*!< when we write to the file we - increment this by one */ - ib_int64_t flush_counter;/*!< up to what - modification_counter value we have - flushed the modifications to disk */ - UT_LIST_NODE_T(fil_node_t) chain; - /*!< link field for the file chain */ - UT_LIST_NODE_T(fil_node_t) LRU; - /*!< link field for the LRU list */ - ulint magic_n;/*!< FIL_NODE_MAGIC_N */ -}; - -/** Value of fil_node_struct::magic_n */ -#define FIL_NODE_MAGIC_N 89389 - -/** Tablespace or log data space: let us call them by a common name space */ -struct fil_space_struct { - char* name; /*!< space name = the path to the first file in - it */ - ulint id; /*!< space id */ - ib_int64_t tablespace_version; - /*!< in DISCARD/IMPORT this timestamp - is used to check if we should ignore - an insert buffer merge request for a - page because it actually was for the - previous incarnation of the space */ - ibool mark; /*!< this is set to TRUE at database startup if - the space corresponds to a table in the InnoDB - data dictionary; so we can print a warning of - orphaned tablespaces */ - ibool stop_ios;/*!< TRUE if we want to rename the - .ibd file of tablespace and want to - stop temporarily posting of new i/o - requests on the file */ - ibool stop_ibuf_merges; - /*!< we set this TRUE when we start - deleting a single-table tablespace */ - ibool is_being_deleted; - /*!< this is set to TRUE when we start - deleting a single-table tablespace and its - file; when this flag is set no further i/o - or flush requests can be placed on this space, - though there may be such requests still being - processed on this space */ - ulint purpose;/*!< FIL_TABLESPACE, FIL_LOG, or - FIL_ARCH_LOG */ - UT_LIST_BASE_NODE_T(fil_node_t) chain; - /*!< base node for the file chain */ - ulint size; /*!< space size in pages; 0 if a single-table - tablespace whose size we do not know yet; - last incomplete megabytes in data files may be - ignored if space == 0 */ - ulint flags; /*!< compressed page size and file format, or 0 */ - ulint n_reserved_extents; - /*!< number of reserved free extents for - ongoing operations like B-tree page split */ - ulint n_pending_flushes; /*!< this is positive when flushing - the tablespace to disk; dropping of the - tablespace is forbidden if this is positive */ - ulint n_pending_ibuf_merges;/*!< this is positive - when merging insert buffer entries to - a page so that we may need to access - the ibuf bitmap page in the - tablespade: dropping of the tablespace - is forbidden if this is positive */ - hash_node_t hash; /*!< hash chain node */ - hash_node_t name_hash;/*!< hash chain the name_hash table */ -#ifndef UNIV_HOTBACKUP - rw_lock_t latch; /*!< latch protecting the file space storage - allocation */ -#endif /* !UNIV_HOTBACKUP */ - UT_LIST_NODE_T(fil_space_t) unflushed_spaces; - /*!< list of spaces with at least one unflushed - file we have written to */ - ibool is_in_unflushed_spaces; /*!< TRUE if this space is - currently in unflushed_spaces */ - UT_LIST_NODE_T(fil_space_t) space_list; - /*!< list of all spaces */ - ulint magic_n;/*!< FIL_SPACE_MAGIC_N */ -}; - -/** Value of fil_space_struct::magic_n */ -#define FIL_SPACE_MAGIC_N 89472 - -/** The tablespace memory cache */ -typedef struct fil_system_struct fil_system_t; - -/** The tablespace memory cache; also the totality of logs (the log -data space) is stored here; below we talk about tablespaces, but also -the ib_logfiles form a 'space' and it is handled here */ - -struct fil_system_struct { -#ifndef UNIV_HOTBACKUP - mutex_t mutex; /*!< The mutex protecting the cache */ -#endif /* !UNIV_HOTBACKUP */ - hash_table_t* spaces; /*!< The hash table of spaces in the - system; they are hashed on the space - id */ - hash_table_t* name_hash; /*!< hash table based on the space - name */ - UT_LIST_BASE_NODE_T(fil_node_t) LRU; - /*!< base node for the LRU list of the - most recently used open files with no - pending i/o's; if we start an i/o on - the file, we first remove it from this - list, and return it to the start of - the list when the i/o ends; - log files and the system tablespace are - not put to this list: they are opened - after the startup, and kept open until - shutdown */ - UT_LIST_BASE_NODE_T(fil_space_t) unflushed_spaces; - /*!< base node for the list of those - tablespaces whose files contain - unflushed writes; those spaces have - at least one file node where - modification_counter > flush_counter */ - ulint n_open; /*!< number of files currently open */ - ulint max_n_open; /*!< n_open is not allowed to exceed - this */ - ib_int64_t modification_counter;/*!< when we write to a file we - increment this by one */ - ulint max_assigned_id;/*!< maximum space id in the existing - tables, or assigned during the time - mysqld has been up; at an InnoDB - startup we scan the data dictionary - and set here the maximum of the - space id's of the tables there */ - ib_int64_t tablespace_version; - /*!< a counter which is incremented for - every space object memory creation; - every space mem object gets a - 'timestamp' from this; in DISCARD/ - IMPORT this is used to check if we - should ignore an insert buffer merge - request */ - UT_LIST_BASE_NODE_T(fil_space_t) space_list; - /*!< list of all file spaces */ -}; - -/** The tablespace memory cache. This variable is NULL before the module is -initialized. */ -static fil_system_t* fil_system = NULL; - - -/********************************************************************//** -NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! - -Prepares a file node for i/o. Opens the file if it is closed. Updates the -pending i/o's field in the node and the system appropriately. Takes the node -off the LRU list if it is in the LRU list. The caller must hold the fil_sys -mutex. */ -static -void -fil_node_prepare_for_io( -/*====================*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - fil_space_t* space); /*!< in: space */ -/********************************************************************//** -Updates the data structures when an i/o operation finishes. Updates the -pending i/o's field in the node appropriately. */ -static -void -fil_node_complete_io( -/*=================*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - ulint type); /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks - the node as modified if - type == OS_FILE_WRITE */ -/*******************************************************************//** -Checks if a single-table tablespace for a given table name exists in the -tablespace memory cache. -@return space id, ULINT_UNDEFINED if not found */ -static -ulint -fil_get_space_id_for_table( -/*=======================*/ - const char* name); /*!< in: table name in the standard - 'databasename/tablename' format */ -/*******************************************************************//** -Frees a space object from the tablespace memory cache. Closes the files in -the chain but does not delete them. There must not be any pending i/o's or -flushes on the files. */ -static -ibool -fil_space_free( -/*===========*/ - /* out: TRUE if success */ - ulint id, /* in: space id */ - ibool own_mutex);/* in: TRUE if own system->mutex */ -/********************************************************************//** -Reads data from a space to a buffer. Remember that the possible incomplete -blocks at the end of file are ignored: they are not taken into account when -calculating the byte offset within a space. -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do -i/o on a tablespace which does not exist */ -UNIV_INLINE -ulint -fil_read( -/*=====*/ - ibool sync, /*!< in: TRUE if synchronous aio is desired */ - ulint space_id, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint block_offset, /*!< in: offset in number of blocks */ - ulint byte_offset, /*!< in: remainder of offset in bytes; in aio - this must be divisible by the OS block size */ - ulint len, /*!< in: how many bytes to read; this must not - cross a file boundary; in aio this must be a - block size multiple */ - void* buf, /*!< in/out: buffer where to store data read; - in aio this must be appropriately aligned */ - void* message) /*!< in: message for aio handler if non-sync - aio used, else ignored */ -{ - return(fil_io(OS_FILE_READ, sync, space_id, zip_size, block_offset, - byte_offset, len, buf, message)); -} - -/********************************************************************//** -Writes data to a space from a buffer. Remember that the possible incomplete -blocks at the end of file are ignored: they are not taken into account when -calculating the byte offset within a space. -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do -i/o on a tablespace which does not exist */ -UNIV_INLINE -ulint -fil_write( -/*======*/ - ibool sync, /*!< in: TRUE if synchronous aio is desired */ - ulint space_id, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint block_offset, /*!< in: offset in number of blocks */ - ulint byte_offset, /*!< in: remainder of offset in bytes; in aio - this must be divisible by the OS block size */ - ulint len, /*!< in: how many bytes to write; this must - not cross a file boundary; in aio this must - be a block size multiple */ - void* buf, /*!< in: buffer from which to write; in aio - this must be appropriately aligned */ - void* message) /*!< in: message for aio handler if non-sync - aio used, else ignored */ -{ - return(fil_io(OS_FILE_WRITE, sync, space_id, zip_size, block_offset, - byte_offset, len, buf, message)); -} - -/*******************************************************************//** -Returns the table space by a given id, NULL if not found. */ -UNIV_INLINE -fil_space_t* -fil_space_get_by_id( -/*================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - - ut_ad(mutex_own(&fil_system->mutex)); - - HASH_SEARCH(hash, fil_system->spaces, id, - fil_space_t*, space, - ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), - space->id == id); - - return(space); -} - -/*******************************************************************//** -Returns the table space by a given name, NULL if not found. */ -UNIV_INLINE -fil_space_t* -fil_space_get_by_name( -/*==================*/ - const char* name) /*!< in: space name */ -{ - fil_space_t* space; - ulint fold; - - ut_ad(mutex_own(&fil_system->mutex)); - - fold = ut_fold_string(name); - - HASH_SEARCH(name_hash, fil_system->name_hash, fold, - fil_space_t*, space, - ut_ad(space->magic_n == FIL_SPACE_MAGIC_N), - !strcmp(name, space->name)); - - return(space); -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Returns the version number of a tablespace, -1 if not found. -@return version number, -1 if the tablespace does not exist in the -memory cache */ -UNIV_INTERN -ib_int64_t -fil_space_get_version( -/*==================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - ib_int64_t version = -1; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space) { - version = space->tablespace_version; - } - - mutex_exit(&fil_system->mutex); - - return(version); -} - -/*******************************************************************//** -Returns the latch of a file space. -@return latch protecting storage allocation */ -UNIV_INTERN -rw_lock_t* -fil_space_get_latch( -/*================*/ - ulint id, /*!< in: space id */ - ulint* flags) /*!< out: tablespace flags */ -{ - fil_space_t* space; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - - if (flags) { - *flags = space->flags; - } - - mutex_exit(&fil_system->mutex); - - return(&(space->latch)); -} - -/*******************************************************************//** -Returns the type of a file space. -@return FIL_TABLESPACE or FIL_LOG */ -UNIV_INTERN -ulint -fil_space_get_type( -/*===============*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - - mutex_exit(&fil_system->mutex); - - return(space->purpose); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Checks if all the file nodes in a space are flushed. The caller must hold -the fil_system mutex. -@return TRUE if all are flushed */ -static -ibool -fil_space_is_flushed( -/*=================*/ - fil_space_t* space) /*!< in: space */ -{ - fil_node_t* node; - - ut_ad(mutex_own(&fil_system->mutex)); - - node = UT_LIST_GET_FIRST(space->chain); - - while (node) { - if (node->modification_counter > node->flush_counter) { - - return(FALSE); - } - - node = UT_LIST_GET_NEXT(chain, node); - } - - return(TRUE); -} - -/*******************************************************************//** -Appends a new file to the chain of files of a space. File must be closed. */ -UNIV_INTERN -void -fil_node_create( -/*============*/ - const char* name, /*!< in: file name (file must be closed) */ - ulint size, /*!< in: file size in database blocks, rounded - downwards to an integer */ - ulint id, /*!< in: space id where to append */ - ibool is_raw) /*!< in: TRUE if a raw device or - a raw disk partition */ -{ - fil_node_t* node; - fil_space_t* space; - - ut_a(fil_system); - ut_a(name); - - mutex_enter(&fil_system->mutex); - - node = mem_alloc(sizeof(fil_node_t)); - - node->name = mem_strdup(name); - node->open = FALSE; - - ut_a(!is_raw || srv_start_raw_disk_in_use); - - node->is_raw_disk = is_raw; - node->size = size; - node->magic_n = FIL_NODE_MAGIC_N; - node->n_pending = 0; - node->n_pending_flushes = 0; - - node->modification_counter = 0; - node->flush_counter = 0; - - space = fil_space_get_by_id(id); - - if (!space) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: Could not find tablespace %lu for\n" - "InnoDB: file ", (ulong) id); - ut_print_filename(stderr, name); - fputs(" in the tablespace memory cache.\n", stderr); - mem_free(node->name); - - mem_free(node); - - mutex_exit(&fil_system->mutex); - - return; - } - - space->size += size; - - node->space = space; - - UT_LIST_ADD_LAST(chain, space->chain, node); - - if (id < SRV_LOG_SPACE_FIRST_ID && fil_system->max_assigned_id < id) { - - fil_system->max_assigned_id = id; - } - - mutex_exit(&fil_system->mutex); -} - -/********************************************************************//** -Opens a the file of a node of a tablespace. The caller must own the fil_system -mutex. */ -static -void -fil_node_open_file( -/*===============*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - fil_space_t* space) /*!< in: space */ -{ - ib_int64_t size_bytes; - ulint size_low; - ulint size_high; - ibool ret; - ibool success; - byte* buf2; - byte* page; - ulint space_id; - ulint flags; - - ut_ad(mutex_own(&(system->mutex))); - ut_a(node->n_pending == 0); - ut_a(node->open == FALSE); - - if (node->size == 0) { - /* It must be a single-table tablespace and we do not know the - size of the file yet. First we open the file in the normal - mode, no async I/O here, for simplicity. Then do some checks, - and close the file again. - NOTE that we could not use the simple file read function - os_file_read() in Windows to read from a file opened for - async I/O! */ - - node->handle = os_file_create_simple_no_error_handling( - node->name, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Fatal error: cannot open %s\n." - "InnoDB: Have you deleted .ibd files" - " under a running mysqld server?\n", - node->name); - ut_a(0); - } - - os_file_get_size(node->handle, &size_low, &size_high); - - size_bytes = (((ib_int64_t)size_high) << 32) - + (ib_int64_t)size_low; -#ifdef UNIV_HOTBACKUP - if (space->id == 0) { - node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); - os_file_close(node->handle); - goto add_size; - } -#endif /* UNIV_HOTBACKUP */ - ut_a(space->purpose != FIL_LOG); - ut_a(space->id != 0); - - if (size_bytes < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { - fprintf(stderr, - "InnoDB: Error: the size of single-table" - " tablespace file %s\n" - "InnoDB: is only %lu %lu," - " should be at least %lu!\n", - node->name, - (ulong) size_high, - (ulong) size_low, - (ulong) (FIL_IBD_FILE_INITIAL_SIZE - * UNIV_PAGE_SIZE)); - - ut_a(0); - } - - /* Read the first page of the tablespace */ - - buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT - set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - - success = os_file_read(node->handle, page, 0, 0, - UNIV_PAGE_SIZE); - space_id = fsp_header_get_space_id(page); - flags = fsp_header_get_flags(page); - - ut_free(buf2); - - /* Close the file now that we have read the space id from it */ - - os_file_close(node->handle); - - if (UNIV_UNLIKELY(space_id != space->id)) { - fprintf(stderr, - "InnoDB: Error: tablespace id is %lu" - " in the data dictionary\n" - "InnoDB: but in file %s it is %lu!\n", - space->id, node->name, space_id); - - ut_error; - } - - if (UNIV_UNLIKELY(space_id == ULINT_UNDEFINED - || space_id == 0)) { - fprintf(stderr, - "InnoDB: Error: tablespace id %lu" - " in file %s is not sensible\n", - (ulong) space_id, node->name); - - ut_error; - } - - if (UNIV_UNLIKELY(space->flags != flags)) { - fprintf(stderr, - "InnoDB: Error: table flags are %lx" - " in the data dictionary\n" - "InnoDB: but the flags in file %s are %lx!\n", - space->flags, node->name, flags); - - ut_error; - } - - if (size_bytes >= 1024 * 1024) { - /* Truncate the size to whole megabytes. */ - size_bytes = ut_2pow_round(size_bytes, 1024 * 1024); - } - - if (!(flags & DICT_TF_ZSSIZE_MASK)) { - node->size = (ulint) (size_bytes / UNIV_PAGE_SIZE); - } else { - node->size = (ulint) - (size_bytes - / dict_table_flags_to_zip_size(flags)); - } - -#ifdef UNIV_HOTBACKUP -add_size: -#endif /* UNIV_HOTBACKUP */ - space->size += node->size; - } - - /* printf("Opening file %s\n", node->name); */ - - /* Open the file for reading and writing, in Windows normally in the - unbuffered async I/O mode, though global variables may make - os_file_create() to fall back to the normal file I/O mode. */ - - if (space->purpose == FIL_LOG) { - node->handle = os_file_create(node->name, OS_FILE_OPEN, - OS_FILE_AIO, OS_LOG_FILE, &ret); - } else if (node->is_raw_disk) { - node->handle = os_file_create(node->name, - OS_FILE_OPEN_RAW, - OS_FILE_AIO, OS_DATA_FILE, &ret); - } else { - node->handle = os_file_create(node->name, OS_FILE_OPEN, - OS_FILE_AIO, OS_DATA_FILE, &ret); - } - - ut_a(ret); - - node->open = TRUE; - - system->n_open++; - - if (space->purpose == FIL_TABLESPACE && space->id != 0) { - /* Put the node to the LRU list */ - UT_LIST_ADD_FIRST(LRU, system->LRU, node); - } -} - -/**********************************************************************//** -Closes a file. */ -static -void -fil_node_close_file( -/*================*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system) /*!< in: tablespace memory cache */ -{ - ibool ret; - - ut_ad(node && system); - ut_ad(mutex_own(&(system->mutex))); - ut_a(node->open); - ut_a(node->n_pending == 0); - ut_a(node->n_pending_flushes == 0); - ut_a(node->modification_counter == node->flush_counter); - - ret = os_file_close(node->handle); - ut_a(ret); - - /* printf("Closing file %s\n", node->name); */ - - node->open = FALSE; - ut_a(system->n_open > 0); - system->n_open--; - - if (node->space->purpose == FIL_TABLESPACE && node->space->id != 0) { - ut_a(UT_LIST_GET_LEN(system->LRU) > 0); - - /* The node is in the LRU list, remove it */ - UT_LIST_REMOVE(LRU, system->LRU, node); - } -} - -/********************************************************************//** -Tries to close a file in the LRU list. The caller must hold the fil_sys -mutex. -@return TRUE if success, FALSE if should retry later; since i/o's -generally complete in < 100 ms, and as InnoDB writes at most 128 pages -from the buffer pool in a batch, and then immediately flushes the -files, there is a good chance that the next time we find a suitable -node from the LRU list */ -static -ibool -fil_try_to_close_file_in_LRU( -/*=========================*/ - ibool print_info) /*!< in: if TRUE, prints information why it - cannot close a file */ -{ - fil_node_t* node; - - ut_ad(mutex_own(&fil_system->mutex)); - - node = UT_LIST_GET_LAST(fil_system->LRU); - - if (print_info) { - fprintf(stderr, - "InnoDB: fil_sys open file LRU len %lu\n", - (ulong) UT_LIST_GET_LEN(fil_system->LRU)); - } - - while (node != NULL) { - if (node->modification_counter == node->flush_counter - && node->n_pending_flushes == 0) { - - fil_node_close_file(node, fil_system); - - return(TRUE); - } - - if (print_info && node->n_pending_flushes > 0) { - fputs("InnoDB: cannot close file ", stderr); - ut_print_filename(stderr, node->name); - fprintf(stderr, ", because n_pending_flushes %lu\n", - (ulong) node->n_pending_flushes); - } - - if (print_info - && node->modification_counter != node->flush_counter) { - fputs("InnoDB: cannot close file ", stderr); - ut_print_filename(stderr, node->name); - fprintf(stderr, - ", because mod_count %ld != fl_count %ld\n", - (long) node->modification_counter, - (long) node->flush_counter); - } - - node = UT_LIST_GET_PREV(LRU, node); - } - - return(FALSE); -} - -/*******************************************************************//** -Reserves the fil_system mutex and tries to make sure we can open at least one -file while holding it. This should be called before calling -fil_node_prepare_for_io(), because that function may need to open a file. */ -static -void -fil_mutex_enter_and_prepare_for_io( -/*===============================*/ - ulint space_id) /*!< in: space id */ -{ - fil_space_t* space; - ibool success; - ibool print_info = FALSE; - ulint count = 0; - ulint count2 = 0; - -retry: - mutex_enter(&fil_system->mutex); - - if (space_id == 0 || space_id >= SRV_LOG_SPACE_FIRST_ID) { - /* We keep log files and system tablespace files always open; - this is important in preventing deadlocks in this module, as - a page read completion often performs another read from the - insert buffer. The insert buffer is in tablespace 0, and we - cannot end up waiting in this function. */ - - return; - } - - if (fil_system->n_open < fil_system->max_n_open) { - - return; - } - - space = fil_space_get_by_id(space_id); - - if (space != NULL && space->stop_ios) { - /* We are going to do a rename file and want to stop new i/o's - for a while */ - - if (count2 > 20000) { - fputs("InnoDB: Warning: tablespace ", stderr); - ut_print_filename(stderr, space->name); - fprintf(stderr, - " has i/o ops stopped for a long time %lu\n", - (ulong) count2); - } - - mutex_exit(&fil_system->mutex); - - os_thread_sleep(20000); - - count2++; - - goto retry; - } - - /* If the file is already open, no need to do anything; if the space - does not exist, we handle the situation in the function which called - this function */ - - if (!space || UT_LIST_GET_FIRST(space->chain)->open) { - - return; - } - - if (count > 1) { - print_info = TRUE; - } - - /* Too many files are open, try to close some */ -close_more: - success = fil_try_to_close_file_in_LRU(print_info); - - if (success && fil_system->n_open >= fil_system->max_n_open) { - - goto close_more; - } - - if (fil_system->n_open < fil_system->max_n_open) { - /* Ok */ - - return; - } - - if (count >= 2) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: too many (%lu) files stay open" - " while the maximum\n" - "InnoDB: allowed value would be %lu.\n" - "InnoDB: You may need to raise the value of" - " innodb_open_files in\n" - "InnoDB: my.cnf.\n", - (ulong) fil_system->n_open, - (ulong) fil_system->max_n_open); - - return; - } - - mutex_exit(&fil_system->mutex); - -#ifndef UNIV_HOTBACKUP - /* Wake the i/o-handler threads to make sure pending i/o's are - performed */ - os_aio_simulated_wake_handler_threads(); - - os_thread_sleep(20000); -#endif - /* Flush tablespaces so that we can close modified files in the LRU - list */ - - fil_flush_file_spaces(FIL_TABLESPACE); - - count++; - - goto retry; -} - -/*******************************************************************//** -Frees a file node object from a tablespace memory cache. */ -static -void -fil_node_free( -/*==========*/ - fil_node_t* node, /*!< in, own: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - fil_space_t* space) /*!< in: space where the file node is chained */ -{ - ut_ad(node && system && space); - ut_ad(mutex_own(&(system->mutex))); - ut_a(node->magic_n == FIL_NODE_MAGIC_N); - ut_a(node->n_pending == 0); - - if (node->open) { - /* We fool the assertion in fil_node_close_file() to think - there are no unflushed modifications in the file */ - - node->modification_counter = node->flush_counter; - - if (space->is_in_unflushed_spaces - && fil_space_is_flushed(space)) { - - space->is_in_unflushed_spaces = FALSE; - - UT_LIST_REMOVE(unflushed_spaces, - system->unflushed_spaces, - space); - } - - fil_node_close_file(node, system); - } - - space->size -= node->size; - - UT_LIST_REMOVE(chain, space->chain, node); - - mem_free(node->name); - mem_free(node); -} - -#ifdef UNIV_LOG_ARCHIVE -/****************************************************************//** -Drops files from the start of a file space, so that its size is cut by -the amount given. */ -UNIV_INTERN -void -fil_space_truncate_start( -/*=====================*/ - ulint id, /*!< in: space id */ - ulint trunc_len) /*!< in: truncate by this much; it is an error - if this does not equal to the combined size of - some initial files in the space */ -{ - fil_node_t* node; - fil_space_t* space; - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - - while (trunc_len > 0) { - node = UT_LIST_GET_FIRST(space->chain); - - ut_a(node->size * UNIV_PAGE_SIZE <= trunc_len); - - trunc_len -= node->size * UNIV_PAGE_SIZE; - - fil_node_free(node, fil_system, space); - } - - mutex_exit(&fil_system->mutex); -} -#endif /* UNIV_LOG_ARCHIVE */ - -/*******************************************************************//** -Creates a space memory object and puts it to the tablespace memory cache. If -there is an error, prints an error message to the .err log. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_space_create( -/*=============*/ - const char* name, /*!< in: space name */ - ulint id, /*!< in: space id */ - ulint flags, /*!< in: compressed page size - and file format, or 0 */ - ulint purpose)/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ -{ - fil_space_t* space; - - /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT - ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and - ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal - (table->flags & ~(~0 << DICT_TF_BITS)). */ - ut_a(flags != DICT_TF_COMPACT); - ut_a(!(flags & (~0UL << DICT_TF_BITS))); - -try_again: - /*printf( - "InnoDB: Adding tablespace %lu of name %s, purpose %lu\n", id, name, - purpose);*/ - - ut_a(fil_system); - ut_a(name); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_name(name); - - if (UNIV_LIKELY_NULL(space)) { - ulint namesake_id; - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: trying to init to the" - " tablespace memory cache\n" - "InnoDB: a tablespace %lu of name ", (ulong) id); - ut_print_filename(stderr, name); - fprintf(stderr, ",\n" - "InnoDB: but a tablespace %lu of the same name\n" - "InnoDB: already exists in the" - " tablespace memory cache!\n", - (ulong) space->id); - - if (id == 0 || purpose != FIL_TABLESPACE) { - - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - fprintf(stderr, - "InnoDB: We assume that InnoDB did a crash recovery," - " and you had\n" - "InnoDB: an .ibd file for which the table" - " did not exist in the\n" - "InnoDB: InnoDB internal data dictionary in the" - " ibdata files.\n" - "InnoDB: We assume that you later removed the" - " .ibd and .frm files,\n" - "InnoDB: and are now trying to recreate the table." - " We now remove the\n" - "InnoDB: conflicting tablespace object" - " from the memory cache and try\n" - "InnoDB: the init again.\n"); - - namesake_id = space->id; - - mutex_exit(&fil_system->mutex); - - fil_space_free(namesake_id, FALSE); - - goto try_again; - } - - space = fil_space_get_by_id(id); - - if (UNIV_LIKELY_NULL(space)) { - fprintf(stderr, - "InnoDB: Error: trying to add tablespace %lu" - " of name ", (ulong) id); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: to the tablespace memory cache," - " but tablespace\n" - "InnoDB: %lu of name ", (ulong) space->id); - ut_print_filename(stderr, space->name); - fputs(" already exists in the tablespace\n" - "InnoDB: memory cache!\n", stderr); - - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - space = mem_alloc(sizeof(fil_space_t)); - - space->name = mem_strdup(name); - space->id = id; - - fil_system->tablespace_version++; - space->tablespace_version = fil_system->tablespace_version; - space->mark = FALSE; - - if (purpose == FIL_TABLESPACE && id > fil_system->max_assigned_id) { - fil_system->max_assigned_id = id; - } - - space->stop_ios = FALSE; - space->stop_ibuf_merges = FALSE; - space->is_being_deleted = FALSE; - space->purpose = purpose; - space->size = 0; - space->flags = flags; - - space->n_reserved_extents = 0; - - space->n_pending_flushes = 0; - space->n_pending_ibuf_merges = 0; - - UT_LIST_INIT(space->chain); - space->magic_n = FIL_SPACE_MAGIC_N; - - rw_lock_create(&space->latch, SYNC_FSP); - - HASH_INSERT(fil_space_t, hash, fil_system->spaces, id, space); - - HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, - ut_fold_string(name), space); - space->is_in_unflushed_spaces = FALSE; - - UT_LIST_ADD_LAST(space_list, fil_system->space_list, space); - - mutex_exit(&fil_system->mutex); - - return(TRUE); -} - -/*******************************************************************//** -Assigns a new space id for a new single-table tablespace. This works simply by -incrementing the global counter. If 4 billion id's is not enough, we may need -to recycle id's. -@return new tablespace id; ULINT_UNDEFINED if could not assign an id */ -static -ulint -fil_assign_new_space_id(void) -/*=========================*/ -{ - ulint id; - - mutex_enter(&fil_system->mutex); - - fil_system->max_assigned_id++; - - id = fil_system->max_assigned_id; - - if (id > (SRV_LOG_SPACE_FIRST_ID / 2) && (id % 1000000UL == 0)) { - ut_print_timestamp(stderr); - fprintf(stderr, - "InnoDB: Warning: you are running out of new" - " single-table tablespace id's.\n" - "InnoDB: Current counter is %lu and it" - " must not exceed %lu!\n" - "InnoDB: To reset the counter to zero" - " you have to dump all your tables and\n" - "InnoDB: recreate the whole InnoDB installation.\n", - (ulong) id, - (ulong) SRV_LOG_SPACE_FIRST_ID); - } - - if (id >= SRV_LOG_SPACE_FIRST_ID) { - ut_print_timestamp(stderr); - fprintf(stderr, - "InnoDB: You have run out of single-table" - " tablespace id's!\n" - "InnoDB: Current counter is %lu.\n" - "InnoDB: To reset the counter to zero you" - " have to dump all your tables and\n" - "InnoDB: recreate the whole InnoDB installation.\n", - (ulong) id); - fil_system->max_assigned_id--; - - id = ULINT_UNDEFINED; - } - - mutex_exit(&fil_system->mutex); - - return(id); -} - -/*******************************************************************//** -Frees a space object from the tablespace memory cache. Closes the files in -the chain but does not delete them. There must not be any pending i/o's or -flushes on the files. -@return TRUE if success */ -static -ibool -fil_space_free( -/*===========*/ - /* out: TRUE if success */ - ulint id, /* in: space id */ - ibool own_mutex) /* in: TRUE if own system->mutex */ -{ - fil_space_t* space; - fil_space_t* namespace; - fil_node_t* fil_node; - - if (!own_mutex) { - mutex_enter(&fil_system->mutex); - } - - space = fil_space_get_by_id(id); - - if (!space) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: trying to remove tablespace %lu" - " from the cache but\n" - "InnoDB: it is not there.\n", (ulong) id); - - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - HASH_DELETE(fil_space_t, hash, fil_system->spaces, id, space); - - namespace = fil_space_get_by_name(space->name); - ut_a(namespace); - ut_a(space == namespace); - - HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, - ut_fold_string(space->name), space); - - if (space->is_in_unflushed_spaces) { - space->is_in_unflushed_spaces = FALSE; - - UT_LIST_REMOVE(unflushed_spaces, fil_system->unflushed_spaces, - space); - } - - UT_LIST_REMOVE(space_list, fil_system->space_list, space); - - ut_a(space->magic_n == FIL_SPACE_MAGIC_N); - ut_a(0 == space->n_pending_flushes); - - fil_node = UT_LIST_GET_FIRST(space->chain); - - while (fil_node != NULL) { - fil_node_free(fil_node, fil_system, space); - - fil_node = UT_LIST_GET_FIRST(space->chain); - } - - ut_a(0 == UT_LIST_GET_LEN(space->chain)); - - if (!own_mutex) { - mutex_exit(&fil_system->mutex); - } - - rw_lock_free(&(space->latch)); - - mem_free(space->name); - mem_free(space); - - return(TRUE); -} - -/*******************************************************************//** -Returns the size of the space in pages. The tablespace must be cached in the -memory cache. -@return space size, 0 if space not found */ -UNIV_INTERN -ulint -fil_space_get_size( -/*===============*/ - ulint id) /*!< in: space id */ -{ - fil_node_t* node; - fil_space_t* space; - ulint size; - - ut_ad(fil_system); - - fil_mutex_enter_and_prepare_for_io(id); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - mutex_exit(&fil_system->mutex); - - return(0); - } - - if (space->size == 0 && space->purpose == FIL_TABLESPACE) { - ut_a(id != 0); - - ut_a(1 == UT_LIST_GET_LEN(space->chain)); - - node = UT_LIST_GET_FIRST(space->chain); - - /* It must be a single-table tablespace and we have not opened - the file yet; the following calls will open it and update the - size fields */ - - fil_node_prepare_for_io(node, fil_system, space); - fil_node_complete_io(node, fil_system, OS_FILE_READ); - } - - size = space->size; - - mutex_exit(&fil_system->mutex); - - return(size); -} - -/*******************************************************************//** -Returns the flags of the space. The tablespace must be cached -in the memory cache. -@return flags, ULINT_UNDEFINED if space not found */ -UNIV_INTERN -ulint -fil_space_get_flags( -/*================*/ - ulint id) /*!< in: space id */ -{ - fil_node_t* node; - fil_space_t* space; - ulint flags; - - ut_ad(fil_system); - - if (UNIV_UNLIKELY(!id)) { - return(0); - } - - fil_mutex_enter_and_prepare_for_io(id); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - mutex_exit(&fil_system->mutex); - - return(ULINT_UNDEFINED); - } - - if (space->size == 0 && space->purpose == FIL_TABLESPACE) { - ut_a(id != 0); - - ut_a(1 == UT_LIST_GET_LEN(space->chain)); - - node = UT_LIST_GET_FIRST(space->chain); - - /* It must be a single-table tablespace and we have not opened - the file yet; the following calls will open it and update the - size fields */ - - fil_node_prepare_for_io(node, fil_system, space); - fil_node_complete_io(node, fil_system, OS_FILE_READ); - } - - flags = space->flags; - - mutex_exit(&fil_system->mutex); - - return(flags); -} - -/*******************************************************************//** -Returns the compressed page size of the space, or 0 if the space -is not compressed. The tablespace must be cached in the memory cache. -@return compressed page size, ULINT_UNDEFINED if space not found */ -UNIV_INTERN -ulint -fil_space_get_zip_size( -/*===================*/ - ulint id) /*!< in: space id */ -{ - ulint flags; - - flags = fil_space_get_flags(id); - - if (flags && flags != ULINT_UNDEFINED) { - - return(dict_table_flags_to_zip_size(flags)); - } - - return(flags); -} - -/*******************************************************************//** -Checks if the pair space, page_no refers to an existing page in a tablespace -file space. The tablespace must be cached in the memory cache. -@return TRUE if the address is meaningful */ -UNIV_INTERN -ibool -fil_check_adress_in_tablespace( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint page_no)/*!< in: page number */ -{ - if (fil_space_get_size(id) > page_no) { - - return(TRUE); - } - - return(FALSE); -} - -/****************************************************************//** -Initializes the tablespace memory cache. */ -UNIV_INTERN -void -fil_init( -/*=====*/ - ulint hash_size, /*!< in: hash table size */ - ulint max_n_open) /*!< in: max number of open files */ -{ - ut_a(fil_system == NULL); - - ut_a(hash_size > 0); - ut_a(max_n_open > 0); - - fil_system = mem_alloc(sizeof(fil_system_t)); - - mutex_create(&fil_system->mutex, SYNC_ANY_LATCH); - - fil_system->spaces = hash_create(hash_size); - fil_system->name_hash = hash_create(hash_size); - - UT_LIST_INIT(fil_system->LRU); - - fil_system->n_open = 0; - fil_system->max_n_open = max_n_open; - - fil_system->modification_counter = 0; - fil_system->max_assigned_id = 0; - - fil_system->tablespace_version = 0; - - UT_LIST_INIT(fil_system->unflushed_spaces); - UT_LIST_INIT(fil_system->space_list); -} - -/*******************************************************************//** -Opens all log files and system tablespace data files. They stay open until the -database server shutdown. This should be called at a server startup after the -space objects for the log and the system tablespace have been created. The -purpose of this operation is to make sure we never run out of file descriptors -if we need to read from the insert buffer or to write to the log. */ -UNIV_INTERN -void -fil_open_log_and_system_tablespace_files(void) -/*==========================================*/ -{ - fil_space_t* space; - fil_node_t* node; - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space != NULL) { - if (space->purpose != FIL_TABLESPACE || space->id == 0) { - node = UT_LIST_GET_FIRST(space->chain); - - while (node != NULL) { - if (!node->open) { - fil_node_open_file(node, fil_system, - space); - } - if (fil_system->max_n_open - < 10 + fil_system->n_open) { - fprintf(stderr, - "InnoDB: Warning: you must" - " raise the value of" - " innodb_open_files in\n" - "InnoDB: my.cnf! Remember that" - " InnoDB keeps all log files" - " and all system\n" - "InnoDB: tablespace files open" - " for the whole time mysqld is" - " running, and\n" - "InnoDB: needs to open also" - " some .ibd files if the" - " file-per-table storage\n" - "InnoDB: model is used." - " Current open files %lu," - " max allowed" - " open files %lu.\n", - (ulong) fil_system->n_open, - (ulong) fil_system->max_n_open); - } - node = UT_LIST_GET_NEXT(chain, node); - } - } - space = UT_LIST_GET_NEXT(space_list, space); - } - - mutex_exit(&fil_system->mutex); -} - -/*******************************************************************//** -Closes all open files. There must not be any pending i/o's or not flushed -modifications in the files. */ -UNIV_INTERN -void -fil_close_all_files(void) -/*=====================*/ -{ - fil_space_t* space; - fil_node_t* node; - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space != NULL) { - fil_space_t* prev_space = space; - - node = UT_LIST_GET_FIRST(space->chain); - - while (node != NULL) { - if (node->open) { - fil_node_close_file(node, fil_system); - } - node = UT_LIST_GET_NEXT(chain, node); - } - space = UT_LIST_GET_NEXT(space_list, space); - fil_space_free(prev_space->id, TRUE); - } - - mutex_exit(&fil_system->mutex); -} - -/*******************************************************************//** -Sets the max tablespace id counter if the given number is bigger than the -previous value. */ -UNIV_INTERN -void -fil_set_max_space_id_if_bigger( -/*===========================*/ - ulint max_id) /*!< in: maximum known id */ -{ - if (max_id >= SRV_LOG_SPACE_FIRST_ID) { - fprintf(stderr, - "InnoDB: Fatal error: max tablespace id" - " is too high, %lu\n", (ulong) max_id); - ut_error; - } - - mutex_enter(&fil_system->mutex); - - if (fil_system->max_assigned_id < max_id) { - - fil_system->max_assigned_id = max_id; - } - - mutex_exit(&fil_system->mutex); -} - -/****************************************************************//** -Writes the flushed lsn and the latest archived log number to the page header -of the first page of a data file of the system tablespace (space 0), -which is uncompressed. */ -static -ulint -fil_write_lsn_and_arch_no_to_file( -/*==============================*/ - ulint sum_of_sizes, /*!< in: combined size of previous files - in space, in database pages */ - ib_uint64_t lsn, /*!< in: lsn to write */ - ulint arch_log_no __attribute__((unused))) - /*!< in: archived log number to write */ -{ - byte* buf1; - byte* buf; - - buf1 = mem_alloc(2 * UNIV_PAGE_SIZE); - buf = ut_align(buf1, UNIV_PAGE_SIZE); - - fil_read(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL); - - mach_write_ull(buf + FIL_PAGE_FILE_FLUSH_LSN, lsn); - - fil_write(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL); - - mem_free(buf1); - - return(DB_SUCCESS); -} - -/****************************************************************//** -Writes the flushed lsn and the latest archived log number to the page -header of the first page of each data file in the system tablespace. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -fil_write_flushed_lsn_to_data_files( -/*================================*/ - ib_uint64_t lsn, /*!< in: lsn to write */ - ulint arch_log_no) /*!< in: latest archived log - file number */ -{ - fil_space_t* space; - fil_node_t* node; - ulint sum_of_sizes; - ulint err; - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space) { - /* We only write the lsn to all existing data files which have - been open during the lifetime of the mysqld process; they are - represented by the space objects in the tablespace memory - cache. Note that all data files in the system tablespace 0 are - always open. */ - - if (space->purpose == FIL_TABLESPACE - && space->id == 0) { - sum_of_sizes = 0; - - node = UT_LIST_GET_FIRST(space->chain); - while (node) { - mutex_exit(&fil_system->mutex); - - err = fil_write_lsn_and_arch_no_to_file( - sum_of_sizes, lsn, arch_log_no); - if (err != DB_SUCCESS) { - - return(err); - } - - mutex_enter(&fil_system->mutex); - - sum_of_sizes += node->size; - node = UT_LIST_GET_NEXT(chain, node); - } - } - space = UT_LIST_GET_NEXT(space_list, space); - } - - mutex_exit(&fil_system->mutex); - - return(DB_SUCCESS); -} - -/*******************************************************************//** -Reads the flushed lsn and arch no fields from a data file at database -startup. */ -UNIV_INTERN -void -fil_read_flushed_lsn_and_arch_log_no( -/*=================================*/ - os_file_t data_file, /*!< in: open data file */ - ibool one_read_already, /*!< in: TRUE if min and max - parameters below already - contain sensible data */ -#ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no, /*!< in/out: */ - ulint* max_arch_log_no, /*!< in/out: */ -#endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn, /*!< in/out: */ - ib_uint64_t* max_flushed_lsn) /*!< in/out: */ -{ - byte* buf; - byte* buf2; - ib_uint64_t flushed_lsn; - - buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); - /* Align the memory for a possible read from a raw device */ - buf = ut_align(buf2, UNIV_PAGE_SIZE); - - os_file_read(data_file, buf, 0, 0, UNIV_PAGE_SIZE); - - flushed_lsn = mach_read_ull(buf + FIL_PAGE_FILE_FLUSH_LSN); - - ut_free(buf2); - - if (!one_read_already) { - *min_flushed_lsn = flushed_lsn; - *max_flushed_lsn = flushed_lsn; -#ifdef UNIV_LOG_ARCHIVE - *min_arch_log_no = arch_log_no; - *max_arch_log_no = arch_log_no; -#endif /* UNIV_LOG_ARCHIVE */ - return; - } - - if (*min_flushed_lsn > flushed_lsn) { - *min_flushed_lsn = flushed_lsn; - } - if (*max_flushed_lsn < flushed_lsn) { - *max_flushed_lsn = flushed_lsn; - } -#ifdef UNIV_LOG_ARCHIVE - if (*min_arch_log_no > arch_log_no) { - *min_arch_log_no = arch_log_no; - } - if (*max_arch_log_no < arch_log_no) { - *max_arch_log_no = arch_log_no; - } -#endif /* UNIV_LOG_ARCHIVE */ -} - -/*================ SINGLE-TABLE TABLESPACES ==========================*/ - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Increments the count of pending insert buffer page merges, if space is not -being deleted. -@return TRUE if being deleted, and ibuf merges should be skipped */ -UNIV_INTERN -ibool -fil_inc_pending_ibuf_merges( -/*========================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - fprintf(stderr, - "InnoDB: Error: trying to do ibuf merge to a" - " dropped tablespace %lu\n", - (ulong) id); - } - - if (space == NULL || space->stop_ibuf_merges) { - mutex_exit(&fil_system->mutex); - - return(TRUE); - } - - space->n_pending_ibuf_merges++; - - mutex_exit(&fil_system->mutex); - - return(FALSE); -} - -/*******************************************************************//** -Decrements the count of pending insert buffer page merges. */ -UNIV_INTERN -void -fil_decr_pending_ibuf_merges( -/*=========================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - fprintf(stderr, - "InnoDB: Error: decrementing ibuf merge of a" - " dropped tablespace %lu\n", - (ulong) id); - } - - if (space != NULL) { - space->n_pending_ibuf_merges--; - } - - mutex_exit(&fil_system->mutex); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Creates the database directory for a table if it does not exist yet. */ -static -void -fil_create_directory_for_tablename( -/*===============================*/ - const char* name) /*!< in: name in the standard - 'databasename/tablename' format */ -{ - const char* namend; - char* path; - ulint len; - - len = strlen(fil_path_to_mysql_datadir); - namend = strchr(name, '/'); - ut_a(namend); - path = mem_alloc(len + (namend - name) + 2); - - memcpy(path, fil_path_to_mysql_datadir, len); - path[len] = '/'; - memcpy(path + len + 1, name, namend - name); - path[len + (namend - name) + 1] = 0; - - srv_normalize_path_for_win(path); - - ut_a(os_file_create_directory(path, FALSE)); - mem_free(path); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Writes a log record about an .ibd file create/rename/delete. */ -static -void -fil_op_write_log( -/*=============*/ - ulint type, /*!< in: MLOG_FILE_CREATE, - MLOG_FILE_CREATE2, - MLOG_FILE_DELETE, or - MLOG_FILE_RENAME */ - ulint space_id, /*!< in: space id */ - ulint log_flags, /*!< in: redo log flags (stored - in the page number field) */ - ulint flags, /*!< in: compressed page size - and file format - if type==MLOG_FILE_CREATE2, or 0 */ - const char* name, /*!< in: table name in the familiar - 'databasename/tablename' format, or - the file path in the case of - MLOG_FILE_DELETE */ - const char* new_name, /*!< in: if type is MLOG_FILE_RENAME, - the new table name in the - 'databasename/tablename' format */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - ulint len; - - log_ptr = mlog_open(mtr, 11 + 2 + 1); - - if (!log_ptr) { - /* Logging in mtr is switched off during crash recovery: - in that case mlog_open returns NULL */ - return; - } - - log_ptr = mlog_write_initial_log_record_for_file_op( - type, space_id, log_flags, log_ptr, mtr); - if (type == MLOG_FILE_CREATE2) { - mach_write_to_4(log_ptr, flags); - log_ptr += 4; - } - /* Let us store the strings as null-terminated for easier readability - and handling */ - - len = strlen(name) + 1; - - mach_write_to_2(log_ptr, len); - log_ptr += 2; - mlog_close(mtr, log_ptr); - - mlog_catenate_string(mtr, (byte*) name, len); - - if (type == MLOG_FILE_RENAME) { - len = strlen(new_name) + 1; - log_ptr = mlog_open(mtr, 2 + len); - ut_a(log_ptr); - mach_write_to_2(log_ptr, len); - log_ptr += 2; - mlog_close(mtr, log_ptr); - - mlog_catenate_string(mtr, (byte*) new_name, len); - } -} -#endif - -/*******************************************************************//** -Parses the body of a log record written about an .ibd file operation. That is, -the log record part after the standard (type, space id, page no) header of the -log record. - -If desired, also replays the delete or rename operation if the .ibd file -exists and the space id in it matches. Replays the create operation if a file -at that path does not exist yet. If the database directory for the file to be -created does not exist, then we create the directory, too. - -Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the -datadir that we should use in replaying the file operations. -@return end of log record, or NULL if the record was not completely -contained between ptr and end_ptr */ -UNIV_INTERN -byte* -fil_op_log_parse_or_replay( -/*=======================*/ - byte* ptr, /*!< in: buffer containing the log record body, - or an initial segment of it, if the record does - not fir completely between ptr and end_ptr */ - byte* end_ptr, /*!< in: buffer end */ - ulint type, /*!< in: the type of this log record */ - ulint space_id, /*!< in: the space id of the tablespace in - question, or 0 if the log record should - only be parsed but not replayed */ - ulint log_flags) /*!< in: redo log flags - (stored in the page number parameter) */ -{ - ulint name_len; - ulint new_name_len; - const char* name; - const char* new_name = NULL; - ulint flags = 0; - - if (type == MLOG_FILE_CREATE2) { - if (end_ptr < ptr + 4) { - - return(NULL); - } - - flags = mach_read_from_4(ptr); - ptr += 4; - } - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - name_len = mach_read_from_2(ptr); - - ptr += 2; - - if (end_ptr < ptr + name_len) { - - return(NULL); - } - - name = (const char*) ptr; - - ptr += name_len; - - if (type == MLOG_FILE_RENAME) { - if (end_ptr < ptr + 2) { - - return(NULL); - } - - new_name_len = mach_read_from_2(ptr); - - ptr += 2; - - if (end_ptr < ptr + new_name_len) { - - return(NULL); - } - - new_name = (const char*) ptr; - - ptr += new_name_len; - } - - /* We managed to parse a full log record body */ - /* - printf("Parsed log rec of type %lu space %lu\n" - "name %s\n", type, space_id, name); - - if (type == MLOG_FILE_RENAME) { - printf("new name %s\n", new_name); - } - */ - if (!space_id) { - - return(ptr); - } - - /* Let us try to perform the file operation, if sensible. Note that - ibbackup has at this stage already read in all space id info to the - fil0fil.c data structures. - - NOTE that our algorithm is not guaranteed to work correctly if there - were renames of tables during the backup. See ibbackup code for more - on the problem. */ - - switch (type) { - case MLOG_FILE_DELETE: - if (fil_tablespace_exists_in_mem(space_id)) { - ut_a(fil_delete_tablespace(space_id)); - } - - break; - - case MLOG_FILE_RENAME: - /* We do the rename based on space id, not old file name; - this should guarantee that after the log replay each .ibd file - has the correct name for the latest log sequence number; the - proof is left as an exercise :) */ - - if (fil_tablespace_exists_in_mem(space_id)) { - /* Create the database directory for the new name, if - it does not exist yet */ - fil_create_directory_for_tablename(new_name); - - /* Rename the table if there is not yet a tablespace - with the same name */ - - if (fil_get_space_id_for_table(new_name) - == ULINT_UNDEFINED) { - /* We do not care of the old name, that is - why we pass NULL as the first argument */ - if (!fil_rename_tablespace(NULL, space_id, - new_name)) { - ut_error; - } - } - } - - break; - - case MLOG_FILE_CREATE: - case MLOG_FILE_CREATE2: - if (fil_tablespace_exists_in_mem(space_id)) { - /* Do nothing */ - } else if (fil_get_space_id_for_table(name) - != ULINT_UNDEFINED) { - /* Do nothing */ - } else if (log_flags & MLOG_FILE_FLAG_TEMP) { - /* Temporary table, do nothing */ - } else { - /* Create the database directory for name, if it does - not exist yet */ - fil_create_directory_for_tablename(name); - - if (fil_create_new_single_table_tablespace( - &space_id, name, FALSE, flags, - FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { - ut_error; - } - } - - break; - - default: - ut_error; - } - - return(ptr); -} - -/*******************************************************************//** -Deletes a single-table tablespace. The tablespace must be cached in the -memory cache. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_delete_tablespace( -/*==================*/ - ulint id) /*!< in: space id */ -{ - ibool success; - fil_space_t* space; - fil_node_t* node; - ulint count = 0; - char* path; - - ut_a(id != 0); -stop_ibuf_merges: - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space != NULL) { - space->stop_ibuf_merges = TRUE; - - if (space->n_pending_ibuf_merges == 0) { - mutex_exit(&fil_system->mutex); - - count = 0; - - goto try_again; - } else { - if (count > 5000) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: trying to" - " delete tablespace ", stderr); - ut_print_filename(stderr, space->name); - fprintf(stderr, ",\n" - "InnoDB: but there are %lu pending" - " ibuf merges on it.\n" - "InnoDB: Loop %lu.\n", - (ulong) space->n_pending_ibuf_merges, - (ulong) count); - } - - mutex_exit(&fil_system->mutex); - - os_thread_sleep(20000); - count++; - - goto stop_ibuf_merges; - } - } - - mutex_exit(&fil_system->mutex); - count = 0; - -try_again: - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: cannot delete tablespace %lu\n" - "InnoDB: because it is not found in the" - " tablespace memory cache.\n", - (ulong) id); - - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - ut_a(space); - ut_a(space->n_pending_ibuf_merges == 0); - - space->is_being_deleted = TRUE; - - ut_a(UT_LIST_GET_LEN(space->chain) == 1); - node = UT_LIST_GET_FIRST(space->chain); - - if (space->n_pending_flushes > 0 || node->n_pending > 0) { - if (count > 1000) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: trying to" - " delete tablespace ", stderr); - ut_print_filename(stderr, space->name); - fprintf(stderr, ",\n" - "InnoDB: but there are %lu flushes" - " and %lu pending i/o's on it\n" - "InnoDB: Loop %lu.\n", - (ulong) space->n_pending_flushes, - (ulong) node->n_pending, - (ulong) count); - } - mutex_exit(&fil_system->mutex); - os_thread_sleep(20000); - - count++; - - goto try_again; - } - - path = mem_strdup(space->name); - - mutex_exit(&fil_system->mutex); -#ifndef UNIV_HOTBACKUP - /* Invalidate in the buffer pool all pages belonging to the - tablespace. Since we have set space->is_being_deleted = TRUE, readahead - or ibuf merge can no longer read more pages of this tablespace to the - buffer pool. Thus we can clean the tablespace out of the buffer pool - completely and permanently. The flag is_being_deleted also prevents - fil_flush() from being applied to this tablespace. */ - - buf_LRU_invalidate_tablespace(id); -#endif - /* printf("Deleting tablespace %s id %lu\n", space->name, id); */ - - success = fil_space_free(id, FALSE); - - if (success) { - success = os_file_delete(path); - - if (!success) { - success = os_file_delete_if_exists(path); - } - } - - if (success) { -#ifndef UNIV_HOTBACKUP - /* Write a log record about the deletion of the .ibd - file, so that ibbackup can replay it in the - --apply-log phase. We use a dummy mtr and the familiar - log write mechanism. */ - mtr_t mtr; - - /* When replaying the operation in ibbackup, do not try - to write any log record */ - mtr_start(&mtr); - - fil_op_write_log(MLOG_FILE_DELETE, id, 0, 0, path, NULL, &mtr); - mtr_commit(&mtr); -#endif - mem_free(path); - - return(TRUE); - } - - mem_free(path); - - return(FALSE); -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Discards a single-table tablespace. The tablespace must be cached in the -memory cache. Discarding is like deleting a tablespace, but -1) we do not drop the table from the data dictionary; -2) we remove all insert buffer entries for the tablespace immediately; in DROP -TABLE they are only removed gradually in the background; -3) when the user does IMPORT TABLESPACE, the tablespace will have the same id -as it originally had. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_discard_tablespace( -/*===================*/ - ulint id) /*!< in: space id */ -{ - ibool success; - - success = fil_delete_tablespace(id); - - if (!success) { - fprintf(stderr, - "InnoDB: Warning: cannot delete tablespace %lu" - " in DISCARD TABLESPACE.\n" - "InnoDB: But let us remove the" - " insert buffer entries for this tablespace.\n", - (ulong) id); - } - - /* Remove all insert buffer entries for the tablespace */ - - ibuf_delete_for_discarded_space(id); - - return(success); -} -#endif /* !UNIV_HOTBACKUP */ - -/*******************************************************************//** -Renames the memory cache structures of a single-table tablespace. -@return TRUE if success */ -static -ibool -fil_rename_tablespace_in_mem( -/*=========================*/ - fil_space_t* space, /*!< in: tablespace memory object */ - fil_node_t* node, /*!< in: file node of that tablespace */ - const char* path) /*!< in: new name */ -{ - fil_space_t* space2; - const char* old_name = space->name; - - ut_ad(mutex_own(&fil_system->mutex)); - - space2 = fil_space_get_by_name(old_name); - if (space != space2) { - fputs("InnoDB: Error: cannot find ", stderr); - ut_print_filename(stderr, old_name); - fputs(" in tablespace memory cache\n", stderr); - - return(FALSE); - } - - space2 = fil_space_get_by_name(path); - if (space2 != NULL) { - fputs("InnoDB: Error: ", stderr); - ut_print_filename(stderr, path); - fputs(" is already in tablespace memory cache\n", stderr); - - return(FALSE); - } - - HASH_DELETE(fil_space_t, name_hash, fil_system->name_hash, - ut_fold_string(space->name), space); - mem_free(space->name); - mem_free(node->name); - - space->name = mem_strdup(path); - node->name = mem_strdup(path); - - HASH_INSERT(fil_space_t, name_hash, fil_system->name_hash, - ut_fold_string(path), space); - return(TRUE); -} - -/*******************************************************************//** -Allocates a file name for a single-table tablespace. The string must be freed -by caller with mem_free(). -@return own: file name */ -static -char* -fil_make_ibd_name( -/*==============*/ - const char* name, /*!< in: table name or a dir path of a - TEMPORARY table */ - ibool is_temp) /*!< in: TRUE if it is a dir path */ -{ - ulint namelen = strlen(name); - ulint dirlen = strlen(fil_path_to_mysql_datadir); - char* filename = mem_alloc(namelen + dirlen + sizeof "/.ibd"); - - if (is_temp) { - memcpy(filename, name, namelen); - memcpy(filename + namelen, ".ibd", sizeof ".ibd"); - } else { - memcpy(filename, fil_path_to_mysql_datadir, dirlen); - filename[dirlen] = '/'; - - memcpy(filename + dirlen + 1, name, namelen); - memcpy(filename + dirlen + namelen + 1, ".ibd", sizeof ".ibd"); - } - - srv_normalize_path_for_win(filename); - - return(filename); -} - -/*******************************************************************//** -Renames a single-table tablespace. The tablespace must be cached in the -tablespace memory cache. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_rename_tablespace( -/*==================*/ - const char* old_name, /*!< in: old table name in the standard - databasename/tablename format of - InnoDB, or NULL if we do the rename - based on the space id only */ - ulint id, /*!< in: space id */ - const char* new_name) /*!< in: new table name in the standard - databasename/tablename format - of InnoDB */ -{ - ibool success; - fil_space_t* space; - fil_node_t* node; - ulint count = 0; - char* path; - ibool old_name_was_specified = TRUE; - char* old_path; - - ut_a(id != 0); - - if (old_name == NULL) { - old_name = "(name not specified)"; - old_name_was_specified = FALSE; - } -retry: - count++; - - if (count > 1000) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: problems renaming ", stderr); - ut_print_filename(stderr, old_name); - fputs(" to ", stderr); - ut_print_filename(stderr, new_name); - fprintf(stderr, ", %lu iterations\n", (ulong) count); - } - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space == NULL) { - fprintf(stderr, - "InnoDB: Error: cannot find space id %lu" - " in the tablespace memory cache\n" - "InnoDB: though the table ", (ulong) id); - ut_print_filename(stderr, old_name); - fputs(" in a rename operation should have that id\n", stderr); - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - if (count > 25000) { - space->stop_ios = FALSE; - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - /* We temporarily close the .ibd file because we do not trust that - operating systems can rename an open file. For the closing we have to - wait until there are no pending i/o's or flushes on the file. */ - - space->stop_ios = TRUE; - - ut_a(UT_LIST_GET_LEN(space->chain) == 1); - node = UT_LIST_GET_FIRST(space->chain); - - if (node->n_pending > 0 || node->n_pending_flushes > 0) { - /* There are pending i/o's or flushes, sleep for a while and - retry */ - - mutex_exit(&fil_system->mutex); - - os_thread_sleep(20000); - - goto retry; - - } else if (node->modification_counter > node->flush_counter) { - /* Flush the space */ - - mutex_exit(&fil_system->mutex); - - os_thread_sleep(20000); - - fil_flush(id); - - goto retry; - - } else if (node->open) { - /* Close the file */ - - fil_node_close_file(node, fil_system); - } - - /* Check that the old name in the space is right */ - - if (old_name_was_specified) { - old_path = fil_make_ibd_name(old_name, FALSE); - - ut_a(strcmp(space->name, old_path) == 0); - ut_a(strcmp(node->name, old_path) == 0); - } else { - old_path = mem_strdup(space->name); - } - - /* Rename the tablespace and the node in the memory cache */ - path = fil_make_ibd_name(new_name, FALSE); - success = fil_rename_tablespace_in_mem(space, node, path); - - if (success) { - success = os_file_rename(old_path, path); - - if (!success) { - /* We have to revert the changes we made - to the tablespace memory cache */ - - ut_a(fil_rename_tablespace_in_mem(space, node, - old_path)); - } - } - - mem_free(path); - mem_free(old_path); - - space->stop_ios = FALSE; - - mutex_exit(&fil_system->mutex); - -#ifndef UNIV_HOTBACKUP - if (success) { - mtr_t mtr; - - mtr_start(&mtr); - - fil_op_write_log(MLOG_FILE_RENAME, id, 0, 0, old_name, new_name, - &mtr); - mtr_commit(&mtr); - } -#endif - return(success); -} - -/*******************************************************************//** -Creates a new single-table tablespace to a database directory of MySQL. -Database directories are under the 'datadir' of MySQL. The datadir is the -directory of a running mysqld program. We can refer to it by simply the -path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp -dir of the mysqld server. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -fil_create_new_single_table_tablespace( -/*===================================*/ - ulint* space_id, /*!< in/out: space id; if this is != 0, - then this is an input parameter, - otherwise output */ - const char* tablename, /*!< in: the table name in the usual - databasename/tablename format - of InnoDB, or a dir path to a temp - table */ - ibool is_temp, /*!< in: TRUE if a table created with - CREATE TEMPORARY TABLE */ - ulint flags, /*!< in: tablespace flags */ - ulint size) /*!< in: the initial size of the - tablespace file in pages, - must be >= FIL_IBD_FILE_INITIAL_SIZE */ -{ - os_file_t file; - ibool ret; - ulint err; - byte* buf2; - byte* page; - ibool success; - char* path; - - ut_a(size >= FIL_IBD_FILE_INITIAL_SIZE); - /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT - ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and - ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal - (table->flags & ~(~0 << DICT_TF_BITS)). */ - ut_a(flags != DICT_TF_COMPACT); - ut_a(!(flags & (~0UL << DICT_TF_BITS))); - - path = fil_make_ibd_name(tablename, is_temp); - - file = os_file_create(path, OS_FILE_CREATE, OS_FILE_NORMAL, - OS_DATA_FILE, &ret); - if (ret == FALSE) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error creating file ", stderr); - ut_print_filename(stderr, path); - fputs(".\n", stderr); - - /* The following call will print an error message */ - - err = os_file_get_last_error(TRUE); - - if (err == OS_FILE_ALREADY_EXISTS) { - fputs("InnoDB: The file already exists though" - " the corresponding table did not\n" - "InnoDB: exist in the InnoDB data dictionary." - " Have you moved InnoDB\n" - "InnoDB: .ibd files around without using the" - " SQL commands\n" - "InnoDB: DISCARD TABLESPACE and" - " IMPORT TABLESPACE, or did\n" - "InnoDB: mysqld crash in the middle of" - " CREATE TABLE? You can\n" - "InnoDB: resolve the problem by" - " removing the file ", stderr); - ut_print_filename(stderr, path); - fputs("\n" - "InnoDB: under the 'datadir' of MySQL.\n", - stderr); - - mem_free(path); - return(DB_TABLESPACE_ALREADY_EXISTS); - } - - if (err == OS_FILE_DISK_FULL) { - - mem_free(path); - return(DB_OUT_OF_FILE_SPACE); - } - - mem_free(path); - return(DB_ERROR); - } - - buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - - ret = os_file_set_size(path, file, size * UNIV_PAGE_SIZE, 0); - - if (!ret) { - ut_free(buf2); - os_file_close(file); - os_file_delete(path); - - mem_free(path); - return(DB_OUT_OF_FILE_SPACE); - } - - if (*space_id == 0) { - *space_id = fil_assign_new_space_id(); - } - - /* printf("Creating tablespace %s id %lu\n", path, *space_id); */ - - if (*space_id == ULINT_UNDEFINED) { - ut_free(buf2); -error_exit: - os_file_close(file); -error_exit2: - os_file_delete(path); - - mem_free(path); - return(DB_ERROR); - } - - /* We have to write the space id to the file immediately and flush the - file to disk. This is because in crash recovery we must be aware what - tablespaces exist and what are their space id's, so that we can apply - the log records to the right file. It may take quite a while until - buffer pool flush algorithms write anything to the file and flush it to - disk. If we would not write here anything, the file would be filled - with zeros from the call of os_file_set_size(), until a buffer pool - flush would write to it. */ - - memset(page, '\0', UNIV_PAGE_SIZE); - - fsp_header_init_fields(page, *space_id, flags); - mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, *space_id); - - if (!(flags & DICT_TF_ZSSIZE_MASK)) { - buf_flush_init_for_writing(page, NULL, 0); - ret = os_file_write(path, file, page, 0, 0, UNIV_PAGE_SIZE); - } else { - page_zip_des_t page_zip; - ulint zip_size; - - zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) - << ((flags & DICT_TF_ZSSIZE_MASK) - >> DICT_TF_ZSSIZE_SHIFT)); - - page_zip_set_size(&page_zip, zip_size); - page_zip.data = page + UNIV_PAGE_SIZE; -#ifdef UNIV_DEBUG - page_zip.m_start = -#endif /* UNIV_DEBUG */ - page_zip.m_end = page_zip.m_nonempty = - page_zip.n_blobs = 0; - buf_flush_init_for_writing(page, &page_zip, 0); - ret = os_file_write(path, file, page_zip.data, 0, 0, zip_size); - } - - ut_free(buf2); - - if (!ret) { - fputs("InnoDB: Error: could not write the first page" - " to tablespace ", stderr); - ut_print_filename(stderr, path); - putc('\n', stderr); - goto error_exit; - } - - ret = os_file_flush(file); - - if (!ret) { - fputs("InnoDB: Error: file flush of tablespace ", stderr); - ut_print_filename(stderr, path); - fputs(" failed\n", stderr); - goto error_exit; - } - - os_file_close(file); - - if (*space_id == ULINT_UNDEFINED) { - goto error_exit2; - } - - success = fil_space_create(path, *space_id, flags, FIL_TABLESPACE); - - if (!success) { - goto error_exit2; - } - - fil_node_create(path, size, *space_id, FALSE); - -#ifndef UNIV_HOTBACKUP - { - mtr_t mtr; - - mtr_start(&mtr); - - fil_op_write_log(flags - ? MLOG_FILE_CREATE2 - : MLOG_FILE_CREATE, - *space_id, - is_temp ? MLOG_FILE_FLAG_TEMP : 0, - flags, - tablename, NULL, &mtr); - - mtr_commit(&mtr); - } -#endif - mem_free(path); - return(DB_SUCCESS); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -It is possible, though very improbable, that the lsn's in the tablespace to be -imported have risen above the current system lsn, if a lengthy purge, ibuf -merge, or rollback was performed on a backup taken with ibbackup. If that is -the case, reset page lsn's in the file. We assume that mysqld was shut down -after it performed these cleanup operations on the .ibd file, so that it at -the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the -first page of the .ibd file, and we can determine whether we need to reset the -lsn's just by looking at that flush lsn. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_reset_too_high_lsns( -/*====================*/ - const char* name, /*!< in: table name in the - databasename/tablename format */ - ib_uint64_t current_lsn) /*!< in: reset lsn's if the lsn stamped - to FIL_PAGE_FILE_FLUSH_LSN in the - first page is too high */ -{ - os_file_t file; - char* filepath; - byte* page; - byte* buf2; - ib_uint64_t flush_lsn; - ulint space_id; - ib_int64_t file_size; - ib_int64_t offset; - ulint zip_size; - ibool success; - page_zip_des_t page_zip; - - filepath = fil_make_ibd_name(name, FALSE); - - file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_WRITE, &success); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: trying to open a table," - " but could not\n" - "InnoDB: open the tablespace file ", stderr); - ut_print_filename(stderr, filepath); - fputs("!\n", stderr); - mem_free(filepath); - - return(FALSE); - } - - /* Read the first page of the tablespace */ - - buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - - success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); - if (!success) { - - goto func_exit; - } - - /* We have to read the file flush lsn from the header of the file */ - - flush_lsn = mach_read_ull(page + FIL_PAGE_FILE_FLUSH_LSN); - - if (current_lsn >= flush_lsn) { - /* Ok */ - success = TRUE; - - goto func_exit; - } - - space_id = fsp_header_get_space_id(page); - zip_size = fsp_header_get_zip_size(page); - - page_zip_des_init(&page_zip); - page_zip_set_size(&page_zip, zip_size); - if (zip_size) { - page_zip.data = page + UNIV_PAGE_SIZE; - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Flush lsn in the tablespace file %lu" - " to be imported\n" - "InnoDB: is %llu, which exceeds current" - " system lsn %llu.\n" - "InnoDB: We reset the lsn's in the file ", - (ulong) space_id, - flush_lsn, current_lsn); - ut_print_filename(stderr, filepath); - fputs(".\n", stderr); - - ut_a(ut_is_2pow(zip_size)); - ut_a(zip_size <= UNIV_PAGE_SIZE); - - /* Loop through all the pages in the tablespace and reset the lsn and - the page checksum if necessary */ - - file_size = os_file_get_size_as_iblonglong(file); - - for (offset = 0; offset < file_size; - offset += zip_size ? zip_size : UNIV_PAGE_SIZE) { - success = os_file_read(file, page, - (ulint)(offset & 0xFFFFFFFFUL), - (ulint)(offset >> 32), - zip_size ? zip_size : UNIV_PAGE_SIZE); - if (!success) { - - goto func_exit; - } - if (mach_read_ull(page + FIL_PAGE_LSN) > current_lsn) { - /* We have to reset the lsn */ - - if (zip_size) { - memcpy(page_zip.data, page, zip_size); - buf_flush_init_for_writing( - page, &page_zip, current_lsn); - success = os_file_write( - filepath, file, page_zip.data, - (ulint) offset & 0xFFFFFFFFUL, - (ulint) (offset >> 32), zip_size); - } else { - buf_flush_init_for_writing( - page, NULL, current_lsn); - success = os_file_write( - filepath, file, page, - (ulint)(offset & 0xFFFFFFFFUL), - (ulint)(offset >> 32), - UNIV_PAGE_SIZE); - } - - if (!success) { - - goto func_exit; - } - } - } - - success = os_file_flush(file); - if (!success) { - - goto func_exit; - } - - /* We now update the flush_lsn stamp at the start of the file */ - success = os_file_read(file, page, 0, 0, - zip_size ? zip_size : UNIV_PAGE_SIZE); - if (!success) { - - goto func_exit; - } - - mach_write_ull(page + FIL_PAGE_FILE_FLUSH_LSN, current_lsn); - - success = os_file_write(filepath, file, page, 0, 0, - zip_size ? zip_size : UNIV_PAGE_SIZE); - if (!success) { - - goto func_exit; - } - success = os_file_flush(file); -func_exit: - os_file_close(file); - ut_free(buf2); - mem_free(filepath); - - return(success); -} - -/********************************************************************//** -Tries to open a single-table tablespace and optionally checks the space id is -right in it. If does not succeed, prints an error message to the .err log. This -function is used to open a tablespace when we start up mysqld, and also in -IMPORT TABLESPACE. -NOTE that we assume this operation is used either at the database startup -or under the protection of the dictionary mutex, so that two users cannot -race here. This operation does not leave the file associated with the -tablespace open, but closes it after we have looked at the space id in it. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_open_single_table_tablespace( -/*=============================*/ - ibool check_space_id, /*!< in: should we check that the space - id in the file is right; we assume - that this function runs much faster - if no check is made, since accessing - the file inode probably is much - faster (the OS caches them) than - accessing the first page of the file */ - ulint id, /*!< in: space id */ - ulint flags, /*!< in: tablespace flags */ - const char* name) /*!< in: table name in the - databasename/tablename format */ -{ - os_file_t file; - char* filepath; - ibool success; - byte* buf2; - byte* page; - ulint space_id; - ulint space_flags; - - filepath = fil_make_ibd_name(name, FALSE); - - /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT - ((table->flags & ~(~0 << DICT_TF_BITS)) == DICT_TF_COMPACT) and - ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal - (table->flags & ~(~0 << DICT_TF_BITS)). */ - ut_a(flags != DICT_TF_COMPACT); - ut_a(!(flags & (~0UL << DICT_TF_BITS))); - - file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: trying to open a table," - " but could not\n" - "InnoDB: open the tablespace file ", stderr); - ut_print_filename(stderr, filepath); - fputs("!\n" - "InnoDB: Have you moved InnoDB .ibd files around" - " without using the\n" - "InnoDB: commands DISCARD TABLESPACE and" - " IMPORT TABLESPACE?\n" - "InnoDB: It is also possible that this is" - " a temporary table #sql...,\n" - "InnoDB: and MySQL removed the .ibd file for this.\n" - "InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" - "InnoDB: for how to resolve the issue.\n", stderr); - - mem_free(filepath); - - return(FALSE); - } - - if (!check_space_id) { - space_id = id; - - goto skip_check; - } - - /* Read the first page of the tablespace */ - - buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - - success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); - - /* We have to read the tablespace id and flags from the file. */ - - space_id = fsp_header_get_space_id(page); - space_flags = fsp_header_get_flags(page); - - ut_free(buf2); - - if (UNIV_UNLIKELY(space_id != id - || space_flags != (flags & ~(~0 << DICT_TF_BITS)))) { - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: tablespace id and flags in file ", - stderr); - ut_print_filename(stderr, filepath); - fprintf(stderr, " are %lu and %lu, but in the InnoDB\n" - "InnoDB: data dictionary they are %lu and %lu.\n" - "InnoDB: Have you moved InnoDB .ibd files" - " around without using the\n" - "InnoDB: commands DISCARD TABLESPACE and" - " IMPORT TABLESPACE?\n" - "InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" - "InnoDB: for how to resolve the issue.\n", - (ulong) space_id, (ulong) space_flags, - (ulong) id, (ulong) flags); - - success = FALSE; - - goto func_exit; - } - -skip_check: - success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); - - if (!success) { - goto func_exit; - } - - /* We do not measure the size of the file, that is why we pass the 0 - below */ - - fil_node_create(filepath, 0, space_id, FALSE); -func_exit: - os_file_close(file); - mem_free(filepath); - - return(success); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_HOTBACKUP -/*******************************************************************//** -Allocates a file name for an old version of a single-table tablespace. -The string must be freed by caller with mem_free()! -@return own: file name */ -static -char* -fil_make_ibbackup_old_name( -/*=======================*/ - const char* name) /*!< in: original file name */ -{ - static const char suffix[] = "_ibbackup_old_vers_"; - ulint len = strlen(name); - char* path = mem_alloc(len + (15 + sizeof suffix)); - - memcpy(path, name, len); - memcpy(path + len, suffix, (sizeof suffix) - 1); - ut_sprintf_timestamp_without_extra_chars(path + len + sizeof suffix); - return(path); -} -#endif /* UNIV_HOTBACKUP */ - -/********************************************************************//** -Opens an .ibd file and adds the associated single-table tablespace to the -InnoDB fil0fil.c data structures. */ -static -void -fil_load_single_table_tablespace( -/*=============================*/ - const char* dbname, /*!< in: database name */ - const char* filename) /*!< in: file name (not a path), - including the .ibd extension */ -{ - os_file_t file; - char* filepath; - ibool success; - byte* buf2; - byte* page; - ulint space_id; - ulint flags; - ulint size_low; - ulint size_high; - ib_int64_t size; -#ifdef UNIV_HOTBACKUP - fil_space_t* space; -#endif - filepath = mem_alloc(strlen(dbname) + strlen(filename) - + strlen(fil_path_to_mysql_datadir) + 3); - - sprintf(filepath, "%s/%s/%s", fil_path_to_mysql_datadir, dbname, - filename); - srv_normalize_path_for_win(filepath); -#ifdef __WIN__ -# ifndef UNIV_HOTBACKUP - /* If lower_case_table_names is 0 or 2, then MySQL allows database - directory names with upper case letters. On Windows, all table and - database names in InnoDB are internally always in lower case. Put the - file path to lower case, so that we are consistent with InnoDB's - internal data dictionary. */ - - dict_casedn_str(filepath); -# endif /* !UNIV_HOTBACKUP */ -#endif - file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - fprintf(stderr, - "InnoDB: Error: could not open single-table tablespace" - " file\n" - "InnoDB: %s!\n" - "InnoDB: We do not continue the crash recovery," - " because the table may become\n" - "InnoDB: corrupt if we cannot apply the log records" - " in the InnoDB log to it.\n" - "InnoDB: To fix the problem and start mysqld:\n" - "InnoDB: 1) If there is a permission problem" - " in the file and mysqld cannot\n" - "InnoDB: open the file, you should" - " modify the permissions.\n" - "InnoDB: 2) If the table is not needed, or you can" - " restore it from a backup,\n" - "InnoDB: then you can remove the .ibd file," - " and InnoDB will do a normal\n" - "InnoDB: crash recovery and ignore that table.\n" - "InnoDB: 3) If the file system or the" - " disk is broken, and you cannot remove\n" - "InnoDB: the .ibd file, you can set" - " innodb_force_recovery > 0 in my.cnf\n" - "InnoDB: and force InnoDB to continue crash" - " recovery here.\n", filepath); - - mem_free(filepath); - - if (srv_force_recovery > 0) { - fprintf(stderr, - "InnoDB: innodb_force_recovery" - " was set to %lu. Continuing crash recovery\n" - "InnoDB: even though we cannot access" - " the .ibd file of this table.\n", - srv_force_recovery); - return; - } - - exit(1); - } - - success = os_file_get_size(file, &size_low, &size_high); - - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - fprintf(stderr, - "InnoDB: Error: could not measure the size" - " of single-table tablespace file\n" - "InnoDB: %s!\n" - "InnoDB: We do not continue crash recovery," - " because the table will become\n" - "InnoDB: corrupt if we cannot apply the log records" - " in the InnoDB log to it.\n" - "InnoDB: To fix the problem and start mysqld:\n" - "InnoDB: 1) If there is a permission problem" - " in the file and mysqld cannot\n" - "InnoDB: access the file, you should" - " modify the permissions.\n" - "InnoDB: 2) If the table is not needed," - " or you can restore it from a backup,\n" - "InnoDB: then you can remove the .ibd file," - " and InnoDB will do a normal\n" - "InnoDB: crash recovery and ignore that table.\n" - "InnoDB: 3) If the file system or the disk is broken," - " and you cannot remove\n" - "InnoDB: the .ibd file, you can set" - " innodb_force_recovery > 0 in my.cnf\n" - "InnoDB: and force InnoDB to continue" - " crash recovery here.\n", filepath); - - os_file_close(file); - mem_free(filepath); - - if (srv_force_recovery > 0) { - fprintf(stderr, - "InnoDB: innodb_force_recovery" - " was set to %lu. Continuing crash recovery\n" - "InnoDB: even though we cannot access" - " the .ibd file of this table.\n", - srv_force_recovery); - return; - } - - exit(1); - } - - /* TODO: What to do in other cases where we cannot access an .ibd - file during a crash recovery? */ - - /* Every .ibd file is created >= 4 pages in size. Smaller files - cannot be ok. */ - - size = (((ib_int64_t)size_high) << 32) + (ib_int64_t)size_low; -#ifndef UNIV_HOTBACKUP - if (size < FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { - fprintf(stderr, - "InnoDB: Error: the size of single-table tablespace" - " file %s\n" - "InnoDB: is only %lu %lu, should be at least %lu!", - filepath, - (ulong) size_high, - (ulong) size_low, (ulong) (4 * UNIV_PAGE_SIZE)); - os_file_close(file); - mem_free(filepath); - - return; - } -#endif - /* Read the first page of the tablespace if the size big enough */ - - buf2 = ut_malloc(2 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - - if (size >= FIL_IBD_FILE_INITIAL_SIZE * UNIV_PAGE_SIZE) { - success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); - - /* We have to read the tablespace id from the file */ - - space_id = fsp_header_get_space_id(page); - flags = fsp_header_get_flags(page); - } else { - space_id = ULINT_UNDEFINED; - flags = 0; - } - -#ifndef UNIV_HOTBACKUP - if (space_id == ULINT_UNDEFINED || space_id == 0) { - fprintf(stderr, - "InnoDB: Error: tablespace id %lu in file %s" - " is not sensible\n", - (ulong) space_id, - filepath); - goto func_exit; - } -#else - if (space_id == ULINT_UNDEFINED || space_id == 0) { - char* new_path; - - fprintf(stderr, - "InnoDB: Renaming tablespace %s of id %lu,\n" - "InnoDB: to %s_ibbackup_old_vers_\n" - "InnoDB: because its size %" PRId64 " is too small" - " (< 4 pages 16 kB each),\n" - "InnoDB: or the space id in the file header" - " is not sensible.\n" - "InnoDB: This can happen in an ibbackup run," - " and is not dangerous.\n", - filepath, space_id, filepath, size); - os_file_close(file); - - new_path = fil_make_ibbackup_old_name(filepath); - ut_a(os_file_rename(filepath, new_path)); - - ut_free(buf2); - mem_free(filepath); - mem_free(new_path); - - return; - } - - /* A backup may contain the same space several times, if the space got - renamed at a sensitive time. Since it is enough to have one version of - the space, we rename the file if a space with the same space id - already exists in the tablespace memory cache. We rather rename the - file than delete it, because if there is a bug, we do not want to - destroy valuable data. */ - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(space_id); - - if (space) { - char* new_path; - - fprintf(stderr, - "InnoDB: Renaming tablespace %s of id %lu,\n" - "InnoDB: to %s_ibbackup_old_vers_\n" - "InnoDB: because space %s with the same id\n" - "InnoDB: was scanned earlier. This can happen" - " if you have renamed tables\n" - "InnoDB: during an ibbackup run.\n", - filepath, space_id, filepath, - space->name); - os_file_close(file); - - new_path = fil_make_ibbackup_old_name(filepath); - - mutex_exit(&fil_system->mutex); - - ut_a(os_file_rename(filepath, new_path)); - - ut_free(buf2); - mem_free(filepath); - mem_free(new_path); - - return; - } - mutex_exit(&fil_system->mutex); -#endif - success = fil_space_create(filepath, space_id, flags, FIL_TABLESPACE); - - if (!success) { - - if (srv_force_recovery > 0) { - fprintf(stderr, - "InnoDB: innodb_force_recovery" - " was set to %lu. Continuing crash recovery\n" - "InnoDB: even though the tablespace creation" - " of this table failed.\n", - srv_force_recovery); - goto func_exit; - } - - exit(1); - } - - /* We do not use the size information we have about the file, because - the rounding formula for extents and pages is somewhat complex; we - let fil_node_open() do that task. */ - - fil_node_create(filepath, 0, space_id, FALSE); -func_exit: - os_file_close(file); - ut_free(buf2); - mem_free(filepath); -} - -/***********************************************************************//** -A fault-tolerant function that tries to read the next file name in the -directory. We retry 100 times if os_file_readdir_next_file() returns -1. The -idea is to read as much good data as we can and jump over bad data. -@return 0 if ok, -1 if error even after the retries, 1 if at the end -of the directory */ -static -int -fil_file_readdir_next_file( -/*=======================*/ - ulint* err, /*!< out: this is set to DB_ERROR if an error - was encountered, otherwise not changed */ - const char* dirname,/*!< in: directory name or path */ - os_file_dir_t dir, /*!< in: directory stream */ - os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ -{ - ulint i; - int ret; - - for (i = 0; i < 100; i++) { - ret = os_file_readdir_next_file(dirname, dir, info); - - if (ret != -1) { - - return(ret); - } - - fprintf(stderr, - "InnoDB: Error: os_file_readdir_next_file()" - " returned -1 in\n" - "InnoDB: directory %s\n" - "InnoDB: Crash recovery may have failed" - " for some .ibd files!\n", dirname); - - *err = DB_ERROR; - } - - return(-1); -} - -/********************************************************************//** -At the server startup, if we need crash recovery, scans the database -directories under the MySQL datadir, looking for .ibd files. Those files are -single-table tablespaces. We need to know the space id in each of them so that -we know into which file we should look to check the contents of a page stored -in the doublewrite buffer, also to know where to apply log records where the -space id is != 0. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -fil_load_single_table_tablespaces(void) -/*===================================*/ -{ - int ret; - char* dbpath = NULL; - ulint dbpath_len = 100; - os_file_dir_t dir; - os_file_dir_t dbdir; - os_file_stat_t dbinfo; - os_file_stat_t fileinfo; - ulint err = DB_SUCCESS; - - /* The datadir of MySQL is always the default directory of mysqld */ - - dir = os_file_opendir(fil_path_to_mysql_datadir, TRUE); - - if (dir == NULL) { - - return(DB_ERROR); - } - - dbpath = mem_alloc(dbpath_len); - - /* Scan all directories under the datadir. They are the database - directories of MySQL. */ - - ret = fil_file_readdir_next_file(&err, fil_path_to_mysql_datadir, dir, - &dbinfo); - while (ret == 0) { - ulint len; - /* printf("Looking at %s in datadir\n", dbinfo.name); */ - - if (dbinfo.type == OS_FILE_TYPE_FILE - || dbinfo.type == OS_FILE_TYPE_UNKNOWN) { - - goto next_datadir_item; - } - - /* We found a symlink or a directory; try opening it to see - if a symlink is a directory */ - - len = strlen(fil_path_to_mysql_datadir) - + strlen (dbinfo.name) + 2; - if (len > dbpath_len) { - dbpath_len = len; - - if (dbpath) { - mem_free(dbpath); - } - - dbpath = mem_alloc(dbpath_len); - } - sprintf(dbpath, "%s/%s", fil_path_to_mysql_datadir, - dbinfo.name); - srv_normalize_path_for_win(dbpath); - - dbdir = os_file_opendir(dbpath, FALSE); - - if (dbdir != NULL) { - /* printf("Opened dir %s\n", dbinfo.name); */ - - /* We found a database directory; loop through it, - looking for possible .ibd files in it */ - - ret = fil_file_readdir_next_file(&err, dbpath, dbdir, - &fileinfo); - while (ret == 0) { - /* printf( - " Looking at file %s\n", fileinfo.name); */ - - if (fileinfo.type == OS_FILE_TYPE_DIR) { - - goto next_file_item; - } - - /* We found a symlink or a file */ - if (strlen(fileinfo.name) > 4 - && 0 == strcmp(fileinfo.name - + strlen(fileinfo.name) - 4, - ".ibd")) { - /* The name ends in .ibd; try opening - the file */ - fil_load_single_table_tablespace( - dbinfo.name, fileinfo.name); - } -next_file_item: - ret = fil_file_readdir_next_file(&err, - dbpath, dbdir, - &fileinfo); - } - - if (0 != os_file_closedir(dbdir)) { - fputs("InnoDB: Warning: could not" - " close database directory ", stderr); - ut_print_filename(stderr, dbpath); - putc('\n', stderr); - - err = DB_ERROR; - } - } - -next_datadir_item: - ret = fil_file_readdir_next_file(&err, - fil_path_to_mysql_datadir, - dir, &dbinfo); - } - - mem_free(dbpath); - - if (0 != os_file_closedir(dir)) { - fprintf(stderr, - "InnoDB: Error: could not close MySQL datadir\n"); - - return(DB_ERROR); - } - - return(err); -} - -/********************************************************************//** -If we need crash recovery, and we have called -fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), -we can call this function to print an error message of orphaned .ibd files -for which there is not a data dictionary entry with a matching table name -and space id. */ -UNIV_INTERN -void -fil_print_orphaned_tablespaces(void) -/*================================*/ -{ - fil_space_t* space; - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space) { - if (space->purpose == FIL_TABLESPACE && space->id != 0 - && !space->mark) { - fputs("InnoDB: Warning: tablespace ", stderr); - ut_print_filename(stderr, space->name); - fprintf(stderr, " of id %lu has no matching table in\n" - "InnoDB: the InnoDB data dictionary.\n", - (ulong) space->id); - } - - space = UT_LIST_GET_NEXT(space_list, space); - } - - mutex_exit(&fil_system->mutex); -} - -/*******************************************************************//** -Returns TRUE if a single-table tablespace does not exist in the memory cache, -or is being deleted there. -@return TRUE if does not exist or is being\ deleted */ -UNIV_INTERN -ibool -fil_tablespace_deleted_or_being_deleted_in_mem( -/*===========================================*/ - ulint id, /*!< in: space id */ - ib_int64_t version)/*!< in: tablespace_version should be this; if - you pass -1 as the value of this, then this - parameter is ignored */ -{ - fil_space_t* space; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - if (space == NULL || space->is_being_deleted) { - mutex_exit(&fil_system->mutex); - - return(TRUE); - } - - if (version != ((ib_int64_t)-1) - && space->tablespace_version != version) { - mutex_exit(&fil_system->mutex); - - return(TRUE); - } - - mutex_exit(&fil_system->mutex); - - return(FALSE); -} - -/*******************************************************************//** -Returns TRUE if a single-table tablespace exists in the memory cache. -@return TRUE if exists */ -UNIV_INTERN -ibool -fil_tablespace_exists_in_mem( -/*=========================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - mutex_exit(&fil_system->mutex); - - return(space != NULL); -} - -/*******************************************************************//** -Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory -cache. Note that if we have not done a crash recovery at the database startup, -there may be many tablespaces which are not yet in the memory cache. -@return TRUE if a matching tablespace exists in the memory cache */ -UNIV_INTERN -ibool -fil_space_for_table_exists_in_mem( -/*==============================*/ - ulint id, /*!< in: space id */ - const char* name, /*!< in: table name in the standard - 'databasename/tablename' format or - the dir path to a temp table */ - ibool is_temp, /*!< in: TRUE if created with CREATE - TEMPORARY TABLE */ - ibool mark_space, /*!< in: in crash recovery, at database - startup we mark all spaces which have - an associated table in the InnoDB - data dictionary, so that - we can print a warning about orphaned - tablespaces */ - ibool print_error_if_does_not_exist) - /*!< in: print detailed error - information to the .err log if a - matching tablespace is not found from - memory */ -{ - fil_space_t* namespace; - fil_space_t* space; - char* path; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - path = fil_make_ibd_name(name, is_temp); - - /* Look if there is a space with the same id */ - - space = fil_space_get_by_id(id); - - /* Look if there is a space with the same name; the name is the - directory path from the datadir to the file */ - - namespace = fil_space_get_by_name(path); - if (space && space == namespace) { - /* Found */ - - if (mark_space) { - space->mark = TRUE; - } - - mem_free(path); - mutex_exit(&fil_system->mutex); - - return(TRUE); - } - - if (!print_error_if_does_not_exist) { - - mem_free(path); - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - if (space == NULL) { - if (namespace == NULL) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has tablespace id %lu,\n" - "InnoDB: but tablespace with that id" - " or name does not exist. Have\n" - "InnoDB: you deleted or moved .ibd files?\n" - "InnoDB: This may also be a table created with" - " CREATE TEMPORARY TABLE\n" - "InnoDB: whose .ibd and .frm files" - " MySQL automatically removed, but the\n" - "InnoDB: table still exists in the" - " InnoDB internal data dictionary.\n", - (ulong) id); - } else { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary has" - " tablespace id %lu,\n" - "InnoDB: but a tablespace with that id" - " does not exist. There is\n" - "InnoDB: a tablespace of name %s and id %lu," - " though. Have\n" - "InnoDB: you deleted or moved .ibd files?\n", - (ulong) id, namespace->name, - (ulong) namespace->id); - } -error_exit: - fputs("InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting-datadict.html\n" - "InnoDB: for how to resolve the issue.\n", stderr); - - mem_free(path); - mutex_exit(&fil_system->mutex); - - return(FALSE); - } - - if (0 != strcmp(space->name, path)) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary has" - " tablespace id %lu,\n" - "InnoDB: but the tablespace with that id" - " has name %s.\n" - "InnoDB: Have you deleted or moved .ibd files?\n", - (ulong) id, space->name); - - if (namespace != NULL) { - fputs("InnoDB: There is a tablespace" - " with the right name\n" - "InnoDB: ", stderr); - ut_print_filename(stderr, namespace->name); - fprintf(stderr, ", but its id is %lu.\n", - (ulong) namespace->id); - } - - goto error_exit; - } - - mem_free(path); - mutex_exit(&fil_system->mutex); - - return(FALSE); -} - -/*******************************************************************//** -Checks if a single-table tablespace for a given table name exists in the -tablespace memory cache. -@return space id, ULINT_UNDEFINED if not found */ -static -ulint -fil_get_space_id_for_table( -/*=======================*/ - const char* name) /*!< in: table name in the standard - 'databasename/tablename' format */ -{ - fil_space_t* namespace; - ulint id = ULINT_UNDEFINED; - char* path; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - path = fil_make_ibd_name(name, FALSE); - - /* Look if there is a space with the same name; the name is the - directory path to the file */ - - namespace = fil_space_get_by_name(path); - - if (namespace) { - id = namespace->id; - } - - mem_free(path); - - mutex_exit(&fil_system->mutex); - - return(id); -} - -/**********************************************************************//** -Tries to extend a data file so that it would accommodate the number of pages -given. The tablespace must be cached in the memory cache. If the space is big -enough already, does nothing. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_extend_space_to_desired_size( -/*=============================*/ - ulint* actual_size, /*!< out: size of the space after extension; - if we ran out of disk space this may be lower - than the desired size */ - ulint space_id, /*!< in: space id */ - ulint size_after_extend)/*!< in: desired size in pages after the - extension; if the current space size is bigger - than this already, the function does nothing */ -{ - fil_node_t* node; - fil_space_t* space; - byte* buf2; - byte* buf; - ulint buf_size; - ulint start_page_no; - ulint file_start_page_no; - ulint offset_high; - ulint offset_low; - ulint page_size; - ibool success = TRUE; - - fil_mutex_enter_and_prepare_for_io(space_id); - - space = fil_space_get_by_id(space_id); - ut_a(space); - - if (space->size >= size_after_extend) { - /* Space already big enough */ - - *actual_size = space->size; - - mutex_exit(&fil_system->mutex); - - return(TRUE); - } - - page_size = dict_table_flags_to_zip_size(space->flags); - if (!page_size) { - page_size = UNIV_PAGE_SIZE; - } - - node = UT_LIST_GET_LAST(space->chain); - - fil_node_prepare_for_io(node, fil_system, space); - - start_page_no = space->size; - file_start_page_no = space->size - node->size; - - /* Extend at most 64 pages at a time */ - buf_size = ut_min(64, size_after_extend - start_page_no) * page_size; - buf2 = mem_alloc(buf_size + page_size); - buf = ut_align(buf2, page_size); - - memset(buf, 0, buf_size); - - while (start_page_no < size_after_extend) { - ulint n_pages = ut_min(buf_size / page_size, - size_after_extend - start_page_no); - - offset_high = (start_page_no - file_start_page_no) - / (4096 * ((1024 * 1024) / page_size)); - offset_low = ((start_page_no - file_start_page_no) - % (4096 * ((1024 * 1024) / page_size))) - * page_size; -#ifdef UNIV_HOTBACKUP - success = os_file_write(node->name, node->handle, buf, - offset_low, offset_high, - page_size * n_pages); -#else - success = os_aio(OS_FILE_WRITE, OS_AIO_SYNC, - node->name, node->handle, buf, - offset_low, offset_high, - page_size * n_pages, - NULL, NULL); -#endif - if (success) { - node->size += n_pages; - space->size += n_pages; - - os_has_said_disk_full = FALSE; - } else { - /* Let us measure the size of the file to determine - how much we were able to extend it */ - - n_pages = ((ulint) - (os_file_get_size_as_iblonglong( - node->handle) - / page_size)) - node->size; - - node->size += n_pages; - space->size += n_pages; - - break; - } - - start_page_no += n_pages; - } - - mem_free(buf2); - - fil_node_complete_io(node, fil_system, OS_FILE_WRITE); - - *actual_size = space->size; - -#ifndef UNIV_HOTBACKUP - if (space_id == 0) { - ulint pages_per_mb = (1024 * 1024) / page_size; - - /* Keep the last data file size info up to date, rounded to - full megabytes */ - - srv_data_file_sizes[srv_n_data_files - 1] - = (node->size / pages_per_mb) * pages_per_mb; - } -#endif /* !UNIV_HOTBACKUP */ - - /* - printf("Extended %s to %lu, actual size %lu pages\n", space->name, - size_after_extend, *actual_size); */ - mutex_exit(&fil_system->mutex); - - fil_flush(space_id); - - return(success); -} - -#ifdef UNIV_HOTBACKUP -/********************************************************************//** -Extends all tablespaces to the size stored in the space header. During the -ibbackup --apply-log phase we extended the spaces on-demand so that log records -could be applied, but that may have left spaces still too small compared to -the size stored in the space header. */ -UNIV_INTERN -void -fil_extend_tablespaces_to_stored_len(void) -/*======================================*/ -{ - fil_space_t* space; - byte* buf; - ulint actual_size; - ulint size_in_header; - ulint error; - ibool success; - - buf = mem_alloc(UNIV_PAGE_SIZE); - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space) { - ut_a(space->purpose == FIL_TABLESPACE); - - mutex_exit(&fil_system->mutex); /* no need to protect with a - mutex, because this is a - single-threaded operation */ - error = fil_read(TRUE, space->id, - dict_table_flags_to_zip_size(space->flags), - 0, 0, UNIV_PAGE_SIZE, buf, NULL); - ut_a(error == DB_SUCCESS); - - size_in_header = fsp_get_size_low(buf); - - success = fil_extend_space_to_desired_size( - &actual_size, space->id, size_in_header); - if (!success) { - fprintf(stderr, - "InnoDB: Error: could not extend the" - " tablespace of %s\n" - "InnoDB: to the size stored in header," - " %lu pages;\n" - "InnoDB: size after extension %lu pages\n" - "InnoDB: Check that you have free disk space" - " and retry!\n", - space->name, size_in_header, actual_size); - exit(1); - } - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_NEXT(space_list, space); - } - - mutex_exit(&fil_system->mutex); - - mem_free(buf); -} -#endif - -/*========== RESERVE FREE EXTENTS (for a B-tree split, for example) ===*/ - -/*******************************************************************//** -Tries to reserve free extents in a file space. -@return TRUE if succeed */ -UNIV_INTERN -ibool -fil_space_reserve_free_extents( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint n_free_now, /*!< in: number of free extents now */ - ulint n_to_reserve) /*!< in: how many one wants to reserve */ -{ - fil_space_t* space; - ibool success; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - - if (space->n_reserved_extents + n_to_reserve > n_free_now) { - success = FALSE; - } else { - space->n_reserved_extents += n_to_reserve; - success = TRUE; - } - - mutex_exit(&fil_system->mutex); - - return(success); -} - -/*******************************************************************//** -Releases free extents in a file space. */ -UNIV_INTERN -void -fil_space_release_free_extents( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint n_reserved) /*!< in: how many one reserved */ -{ - fil_space_t* space; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - ut_a(space->n_reserved_extents >= n_reserved); - - space->n_reserved_extents -= n_reserved; - - mutex_exit(&fil_system->mutex); -} - -/*******************************************************************//** -Gets the number of reserved extents. If the database is silent, this number -should be zero. */ -UNIV_INTERN -ulint -fil_space_get_n_reserved_extents( -/*=============================*/ - ulint id) /*!< in: space id */ -{ - fil_space_t* space; - ulint n; - - ut_ad(fil_system); - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(id); - - ut_a(space); - - n = space->n_reserved_extents; - - mutex_exit(&fil_system->mutex); - - return(n); -} - -/*============================ FILE I/O ================================*/ - -/********************************************************************//** -NOTE: you must call fil_mutex_enter_and_prepare_for_io() first! - -Prepares a file node for i/o. Opens the file if it is closed. Updates the -pending i/o's field in the node and the system appropriately. Takes the node -off the LRU list if it is in the LRU list. The caller must hold the fil_sys -mutex. */ -static -void -fil_node_prepare_for_io( -/*====================*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - fil_space_t* space) /*!< in: space */ -{ - ut_ad(node && system && space); - ut_ad(mutex_own(&(system->mutex))); - - if (system->n_open > system->max_n_open + 5) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: open files %lu" - " exceeds the limit %lu\n", - (ulong) system->n_open, - (ulong) system->max_n_open); - } - - if (node->open == FALSE) { - /* File is closed: open it */ - ut_a(node->n_pending == 0); - - fil_node_open_file(node, system, space); - } - - if (node->n_pending == 0 && space->purpose == FIL_TABLESPACE - && space->id != 0) { - /* The node is in the LRU list, remove it */ - - ut_a(UT_LIST_GET_LEN(system->LRU) > 0); - - UT_LIST_REMOVE(LRU, system->LRU, node); - } - - node->n_pending++; -} - -/********************************************************************//** -Updates the data structures when an i/o operation finishes. Updates the -pending i/o's field in the node appropriately. */ -static -void -fil_node_complete_io( -/*=================*/ - fil_node_t* node, /*!< in: file node */ - fil_system_t* system, /*!< in: tablespace memory cache */ - ulint type) /*!< in: OS_FILE_WRITE or OS_FILE_READ; marks - the node as modified if - type == OS_FILE_WRITE */ -{ - ut_ad(node); - ut_ad(system); - ut_ad(mutex_own(&(system->mutex))); - - ut_a(node->n_pending > 0); - - node->n_pending--; - - if (type == OS_FILE_WRITE) { - system->modification_counter++; - node->modification_counter = system->modification_counter; - - if (!node->space->is_in_unflushed_spaces) { - - node->space->is_in_unflushed_spaces = TRUE; - UT_LIST_ADD_FIRST(unflushed_spaces, - system->unflushed_spaces, - node->space); - } - } - - if (node->n_pending == 0 && node->space->purpose == FIL_TABLESPACE - && node->space->id != 0) { - /* The node must be put back to the LRU list */ - UT_LIST_ADD_FIRST(LRU, system->LRU, node); - } -} - -/********************************************************************//** -Report information about an invalid page access. */ -static -void -fil_report_invalid_page_access( -/*===========================*/ - ulint block_offset, /*!< in: block offset */ - ulint space_id, /*!< in: space id */ - const char* space_name, /*!< in: space name */ - ulint byte_offset, /*!< in: byte offset */ - ulint len, /*!< in: I/O length */ - ulint type) /*!< in: I/O type */ -{ - fprintf(stderr, - "InnoDB: Error: trying to access page number %lu" - " in space %lu,\n" - "InnoDB: space name %s,\n" - "InnoDB: which is outside the tablespace bounds.\n" - "InnoDB: Byte offset %lu, len %lu, i/o type %lu.\n" - "InnoDB: If you get this error at mysqld startup," - " please check that\n" - "InnoDB: your my.cnf matches the ibdata files" - " that you have in the\n" - "InnoDB: MySQL server.\n", - (ulong) block_offset, (ulong) space_id, space_name, - (ulong) byte_offset, (ulong) len, (ulong) type); -} - -/********************************************************************//** -Reads or writes data. This operation is asynchronous (aio). -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do -i/o on a tablespace which does not exist */ -UNIV_INTERN -ulint -fil_io( -/*===*/ - ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, - ORed to OS_FILE_LOG, if a log i/o - and ORed to OS_AIO_SIMULATED_WAKE_LATER - if simulated aio and we want to post a - batch of i/os; NOTE that a simulated batch - may introduce hidden chances of deadlocks, - because i/os are not actually handled until - all have been posted: use with great - caution! */ - ibool sync, /*!< in: TRUE if synchronous aio is desired */ - ulint space_id, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint block_offset, /*!< in: offset in number of blocks */ - ulint byte_offset, /*!< in: remainder of offset in bytes; in - aio this must be divisible by the OS block - size */ - ulint len, /*!< in: how many bytes to read or write; this - must not cross a file boundary; in aio this - must be a block size multiple */ - void* buf, /*!< in/out: buffer where to store read data - or from where to write; in aio this must be - appropriately aligned */ - void* message) /*!< in: message for aio handler if non-sync - aio used, else ignored */ -{ - ulint mode; - fil_space_t* space; - fil_node_t* node; - ulint offset_high; - ulint offset_low; - ibool ret; - ulint is_log; - ulint wake_later; - - is_log = type & OS_FILE_LOG; - type = type & ~OS_FILE_LOG; - - wake_later = type & OS_AIO_SIMULATED_WAKE_LATER; - type = type & ~OS_AIO_SIMULATED_WAKE_LATER; - - ut_ad(byte_offset < UNIV_PAGE_SIZE); - ut_ad(!zip_size || !byte_offset); - ut_ad(ut_is_2pow(zip_size)); - ut_ad(buf); - ut_ad(len > 0); -#if (1 << UNIV_PAGE_SIZE_SHIFT) != UNIV_PAGE_SIZE -# error "(1 << UNIV_PAGE_SIZE_SHIFT) != UNIV_PAGE_SIZE" -#endif - ut_ad(fil_validate()); -#ifndef UNIV_HOTBACKUP -# ifndef UNIV_LOG_DEBUG - /* ibuf bitmap pages must be read in the sync aio mode: */ - ut_ad(recv_no_ibuf_operations || (type == OS_FILE_WRITE) - || !ibuf_bitmap_page(zip_size, block_offset) - || sync || is_log); - ut_ad(!ibuf_inside() || is_log || (type == OS_FILE_WRITE) - || ibuf_page(space_id, zip_size, block_offset, NULL)); -# endif /* UNIV_LOG_DEBUG */ - if (sync) { - mode = OS_AIO_SYNC; - } else if (is_log) { - mode = OS_AIO_LOG; - } else if (type == OS_FILE_READ - && !recv_no_ibuf_operations - && ibuf_page(space_id, zip_size, block_offset, NULL)) { - mode = OS_AIO_IBUF; - } else { - mode = OS_AIO_NORMAL; - } -#else /* !UNIV_HOTBACKUP */ - ut_a(sync); - mode = OS_AIO_SYNC; -#endif /* !UNIV_HOTBACKUP */ - - if (type == OS_FILE_READ) { - srv_data_read+= len; - } else if (type == OS_FILE_WRITE) { - srv_data_written+= len; - } - - /* Reserve the fil_system mutex and make sure that we can open at - least one file while holding it, if the file is not already open */ - - fil_mutex_enter_and_prepare_for_io(space_id); - - space = fil_space_get_by_id(space_id); - - if (!space) { - mutex_exit(&fil_system->mutex); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: trying to do i/o" - " to a tablespace which does not exist.\n" - "InnoDB: i/o type %lu, space id %lu," - " page no. %lu, i/o length %lu bytes\n", - (ulong) type, (ulong) space_id, (ulong) block_offset, - (ulong) len); - - return(DB_TABLESPACE_DELETED); - } - - ut_ad((mode != OS_AIO_IBUF) || (space->purpose == FIL_TABLESPACE)); - - node = UT_LIST_GET_FIRST(space->chain); - - for (;;) { - if (UNIV_UNLIKELY(node == NULL)) { - fil_report_invalid_page_access( - block_offset, space_id, space->name, - byte_offset, len, type); - - ut_error; - } - - if (space->id != 0 && node->size == 0) { - /* We do not know the size of a single-table tablespace - before we open the file */ - - break; - } - - if (node->size > block_offset) { - /* Found! */ - break; - } else { - block_offset -= node->size; - node = UT_LIST_GET_NEXT(chain, node); - } - } - - /* Open file if closed */ - fil_node_prepare_for_io(node, fil_system, space); - - /* Check that at least the start offset is within the bounds of a - single-table tablespace */ - if (UNIV_UNLIKELY(node->size <= block_offset) - && space->id != 0 && space->purpose == FIL_TABLESPACE) { - - fil_report_invalid_page_access( - block_offset, space_id, space->name, byte_offset, - len, type); - - ut_error; - } - - /* Now we have made the changes in the data structures of fil_system */ - mutex_exit(&fil_system->mutex); - - /* Calculate the low 32 bits and the high 32 bits of the file offset */ - - if (!zip_size) { - offset_high = (block_offset >> (32 - UNIV_PAGE_SIZE_SHIFT)); - offset_low = ((block_offset << UNIV_PAGE_SIZE_SHIFT) - & 0xFFFFFFFFUL) + byte_offset; - - ut_a(node->size - block_offset - >= ((byte_offset + len + (UNIV_PAGE_SIZE - 1)) - / UNIV_PAGE_SIZE)); - } else { - ulint zip_size_shift; - switch (zip_size) { - case 1024: zip_size_shift = 10; break; - case 2048: zip_size_shift = 11; break; - case 4096: zip_size_shift = 12; break; - case 8192: zip_size_shift = 13; break; - case 16384: zip_size_shift = 14; break; - default: ut_error; - } - offset_high = block_offset >> (32 - zip_size_shift); - offset_low = (block_offset << zip_size_shift & 0xFFFFFFFFUL) - + byte_offset; - ut_a(node->size - block_offset - >= (len + (zip_size - 1)) / zip_size); - } - - /* Do aio */ - - ut_a(byte_offset % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_a((len % OS_FILE_LOG_BLOCK_SIZE) == 0); - -#ifdef UNIV_HOTBACKUP - /* In ibbackup do normal i/o, not aio */ - if (type == OS_FILE_READ) { - ret = os_file_read(node->handle, buf, offset_low, offset_high, - len); - } else { - ret = os_file_write(node->name, node->handle, buf, - offset_low, offset_high, len); - } -#else - /* Queue the aio request */ - ret = os_aio(type, mode | wake_later, node->name, node->handle, buf, - offset_low, offset_high, len, node, message); -#endif - ut_a(ret); - - if (mode == OS_AIO_SYNC) { - /* The i/o operation is already completed when we return from - os_aio: */ - - mutex_enter(&fil_system->mutex); - - fil_node_complete_io(node, fil_system, type); - - mutex_exit(&fil_system->mutex); - - ut_ad(fil_validate()); - } - - return(DB_SUCCESS); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Waits for an aio operation to complete. This function is used to write the -handler for completed requests. The aio array of pending requests is divided -into segments (see os0file.c for more info). The thread specifies which -segment it wants to wait for. */ -UNIV_INTERN -void -fil_aio_wait( -/*=========*/ - ulint segment) /*!< in: the number of the segment in the aio - array to wait for */ -{ - ibool ret; - fil_node_t* fil_node; - void* message; - ulint type; - - ut_ad(fil_validate()); - - if (srv_use_native_aio) { - srv_set_io_thread_op_info(segment, "native aio handle"); -#ifdef WIN_ASYNC_IO - ret = os_aio_windows_handle(segment, 0, &fil_node, - &message, &type); -#elif defined(LINUX_NATIVE_AIO) - ret = os_aio_linux_handle(segment, &fil_node, - &message, &type); -#else - ret = 0; /* Eliminate compiler warning */ - ut_error; -#endif - } else { - srv_set_io_thread_op_info(segment, "simulated aio handle"); - - ret = os_aio_simulated_handle(segment, &fil_node, - &message, &type); - } - - ut_a(ret); - - srv_set_io_thread_op_info(segment, "complete io for fil node"); - - mutex_enter(&fil_system->mutex); - - fil_node_complete_io(fil_node, fil_system, type); - - mutex_exit(&fil_system->mutex); - - ut_ad(fil_validate()); - - /* Do the i/o handling */ - /* IMPORTANT: since i/o handling for reads will read also the insert - buffer in tablespace 0, you have to be very careful not to introduce - deadlocks in the i/o system. We keep tablespace 0 data files always - open, and use a special i/o thread to serve insert buffer requests. */ - - if (fil_node->space->purpose == FIL_TABLESPACE) { - srv_set_io_thread_op_info(segment, "complete io for buf page"); - buf_page_io_complete(message); - } else { - srv_set_io_thread_op_info(segment, "complete io for log"); - log_io_complete(message); - } -} -#endif /* UNIV_HOTBACKUP */ - -/**********************************************************************//** -Flushes to disk possible writes cached by the OS. If the space does not exist -or is being dropped, does not do anything. */ -UNIV_INTERN -void -fil_flush( -/*======*/ - ulint space_id) /*!< in: file space id (this can be a group of - log files or a tablespace of the database) */ -{ - fil_space_t* space; - fil_node_t* node; - os_file_t file; - ib_int64_t old_mod_counter; - - mutex_enter(&fil_system->mutex); - - space = fil_space_get_by_id(space_id); - - if (!space || space->is_being_deleted) { - mutex_exit(&fil_system->mutex); - - return; - } - - space->n_pending_flushes++; /*!< prevent dropping of the space while - we are flushing */ - node = UT_LIST_GET_FIRST(space->chain); - - while (node) { - if (node->modification_counter > node->flush_counter) { - ut_a(node->open); - - /* We want to flush the changes at least up to - old_mod_counter */ - old_mod_counter = node->modification_counter; - - if (space->purpose == FIL_TABLESPACE) { - fil_n_pending_tablespace_flushes++; - } else { - fil_n_pending_log_flushes++; - fil_n_log_flushes++; - } -#ifdef __WIN__ - if (node->is_raw_disk) { - - goto skip_flush; - } -#endif -retry: - if (node->n_pending_flushes > 0) { - /* We want to avoid calling os_file_flush() on - the file twice at the same time, because we do - not know what bugs OS's may contain in file - i/o; sleep for a while */ - - mutex_exit(&fil_system->mutex); - - os_thread_sleep(20000); - - mutex_enter(&fil_system->mutex); - - if (node->flush_counter >= old_mod_counter) { - - goto skip_flush; - } - - goto retry; - } - - ut_a(node->open); - file = node->handle; - node->n_pending_flushes++; - - mutex_exit(&fil_system->mutex); - - /* fprintf(stderr, "Flushing to file %s\n", - node->name); */ - - os_file_flush(file); - - mutex_enter(&fil_system->mutex); - - node->n_pending_flushes--; -skip_flush: - if (node->flush_counter < old_mod_counter) { - node->flush_counter = old_mod_counter; - - if (space->is_in_unflushed_spaces - && fil_space_is_flushed(space)) { - - space->is_in_unflushed_spaces = FALSE; - - UT_LIST_REMOVE( - unflushed_spaces, - fil_system->unflushed_spaces, - space); - } - } - - if (space->purpose == FIL_TABLESPACE) { - fil_n_pending_tablespace_flushes--; - } else { - fil_n_pending_log_flushes--; - } - } - - node = UT_LIST_GET_NEXT(chain, node); - } - - space->n_pending_flushes--; - - mutex_exit(&fil_system->mutex); -} - -/**********************************************************************//** -Flushes to disk the writes in file spaces of the given type possibly cached by -the OS. */ -UNIV_INTERN -void -fil_flush_file_spaces( -/*==================*/ - ulint purpose) /*!< in: FIL_TABLESPACE, FIL_LOG */ -{ - fil_space_t* space; - ulint* space_ids; - ulint n_space_ids; - ulint i; - - mutex_enter(&fil_system->mutex); - - n_space_ids = UT_LIST_GET_LEN(fil_system->unflushed_spaces); - if (n_space_ids == 0) { - - mutex_exit(&fil_system->mutex); - return; - } - - /* Assemble a list of space ids to flush. Previously, we - traversed fil_system->unflushed_spaces and called UT_LIST_GET_NEXT() - on a space that was just removed from the list by fil_flush(). - Thus, the space could be dropped and the memory overwritten. */ - space_ids = mem_alloc(n_space_ids * sizeof *space_ids); - - n_space_ids = 0; - - for (space = UT_LIST_GET_FIRST(fil_system->unflushed_spaces); - space; - space = UT_LIST_GET_NEXT(unflushed_spaces, space)) { - - if (space->purpose == purpose && !space->is_being_deleted) { - - space_ids[n_space_ids++] = space->id; - } - } - - mutex_exit(&fil_system->mutex); - - /* Flush the spaces. It will not hurt to call fil_flush() on - a non-existing space id. */ - for (i = 0; i < n_space_ids; i++) { - - fil_flush(space_ids[i]); - } - - mem_free(space_ids); -} - -/******************************************************************//** -Checks the consistency of the tablespace cache. -@return TRUE if ok */ -UNIV_INTERN -ibool -fil_validate(void) -/*==============*/ -{ - fil_space_t* space; - fil_node_t* fil_node; - ulint n_open = 0; - ulint i; - - mutex_enter(&fil_system->mutex); - - /* Look for spaces in the hash table */ - - for (i = 0; i < hash_get_n_cells(fil_system->spaces); i++) { - - space = HASH_GET_FIRST(fil_system->spaces, i); - - while (space != NULL) { - UT_LIST_VALIDATE(chain, fil_node_t, space->chain, - ut_a(ut_list_node_313->open - || !ut_list_node_313->n_pending)); - - fil_node = UT_LIST_GET_FIRST(space->chain); - - while (fil_node != NULL) { - if (fil_node->n_pending > 0) { - ut_a(fil_node->open); - } - - if (fil_node->open) { - n_open++; - } - fil_node = UT_LIST_GET_NEXT(chain, fil_node); - } - space = HASH_GET_NEXT(hash, space); - } - } - - ut_a(fil_system->n_open == n_open); - - UT_LIST_VALIDATE(LRU, fil_node_t, fil_system->LRU, (void) 0); - - fil_node = UT_LIST_GET_FIRST(fil_system->LRU); - - while (fil_node != NULL) { - ut_a(fil_node->n_pending == 0); - ut_a(fil_node->open); - ut_a(fil_node->space->purpose == FIL_TABLESPACE); - ut_a(fil_node->space->id != 0); - - fil_node = UT_LIST_GET_NEXT(LRU, fil_node); - } - - mutex_exit(&fil_system->mutex); - - return(TRUE); -} - -/********************************************************************//** -Returns TRUE if file address is undefined. -@return TRUE if undefined */ -UNIV_INTERN -ibool -fil_addr_is_null( -/*=============*/ - fil_addr_t addr) /*!< in: address */ -{ - return(addr.page == FIL_NULL); -} - -/********************************************************************//** -Get the predecessor of a file page. -@return FIL_PAGE_PREV */ -UNIV_INTERN -ulint -fil_page_get_prev( -/*==============*/ - const byte* page) /*!< in: file page */ -{ - return(mach_read_from_4(page + FIL_PAGE_PREV)); -} - -/********************************************************************//** -Get the successor of a file page. -@return FIL_PAGE_NEXT */ -UNIV_INTERN -ulint -fil_page_get_next( -/*==============*/ - const byte* page) /*!< in: file page */ -{ - return(mach_read_from_4(page + FIL_PAGE_NEXT)); -} - -/*********************************************************************//** -Sets the file page type. */ -UNIV_INTERN -void -fil_page_set_type( -/*==============*/ - byte* page, /*!< in/out: file page */ - ulint type) /*!< in: type */ -{ - ut_ad(page); - - mach_write_to_2(page + FIL_PAGE_TYPE, type); -} - -/*********************************************************************//** -Gets the file page type. -@return type; NOTE that if the type has not been written to page, the -return value not defined */ -UNIV_INTERN -ulint -fil_page_get_type( -/*==============*/ - const byte* page) /*!< in: file page */ -{ - ut_ad(page); - - return(mach_read_from_2(page + FIL_PAGE_TYPE)); -} - -/******************************************************************** -Initializes the tablespace memory cache. */ -UNIV_INTERN -void -fil_close(void) -/*===========*/ -{ -#ifndef UNIV_HOTBACKUP - /* The mutex should already have been freed. */ - ut_ad(fil_system->mutex.magic_n == 0); -#endif /* !UNIV_HOTBACKUP */ - - hash_table_free(fil_system->spaces); - - hash_table_free(fil_system->name_hash); - - ut_a(UT_LIST_GET_LEN(fil_system->LRU) == 0); - ut_a(UT_LIST_GET_LEN(fil_system->unflushed_spaces) == 0); - ut_a(UT_LIST_GET_LEN(fil_system->space_list) == 0); - - mem_free(fil_system); - - fil_system = NULL; -} diff --git a/perfschema/fsp/fsp0fsp.c b/perfschema/fsp/fsp0fsp.c deleted file mode 100644 index c7f1a299d8a..00000000000 --- a/perfschema/fsp/fsp0fsp.c +++ /dev/null @@ -1,4308 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file fsp/fsp0fsp.c -File space management - -Created 11/29/1995 Heikki Tuuri -***********************************************************************/ - -#include "fsp0fsp.h" - -#ifdef UNIV_NONINL -#include "fsp0fsp.ic" -#endif - -#include "buf0buf.h" -#include "fil0fil.h" -#include "mtr0log.h" -#include "ut0byte.h" -#include "page0page.h" -#include "page0zip.h" -#ifdef UNIV_HOTBACKUP -# include "fut0lst.h" -#else /* UNIV_HOTBACKUP */ -# include "sync0sync.h" -# include "fut0fut.h" -# include "srv0srv.h" -# include "ibuf0ibuf.h" -# include "btr0btr.h" -# include "btr0sea.h" -# include "dict0boot.h" -# include "log0log.h" -#endif /* UNIV_HOTBACKUP */ -#include "dict0mem.h" - - -#define FSP_HEADER_OFFSET FIL_PAGE_DATA /* Offset of the space header - within a file page */ - -/* The data structures in files are defined just as byte strings in C */ -typedef byte fsp_header_t; -typedef byte xdes_t; - -/* SPACE HEADER - ============ - -File space header data structure: this data structure is contained in the -first page of a space. The space for this header is reserved in every extent -descriptor page, but used only in the first. */ - -/*-------------------------------------*/ -#define FSP_SPACE_ID 0 /* space id */ -#define FSP_NOT_USED 4 /* this field contained a value up to - which we know that the modifications - in the database have been flushed to - the file space; not used now */ -#define FSP_SIZE 8 /* Current size of the space in - pages */ -#define FSP_FREE_LIMIT 12 /* Minimum page number for which the - free list has not been initialized: - the pages >= this limit are, by - definition, free; note that in a - single-table tablespace where size - < 64 pages, this number is 64, i.e., - we have initialized the space - about the first extent, but have not - physically allocted those pages to the - file */ -#define FSP_SPACE_FLAGS 16 /* table->flags & ~DICT_TF_COMPACT */ -#define FSP_FRAG_N_USED 20 /* number of used pages in the - FSP_FREE_FRAG list */ -#define FSP_FREE 24 /* list of free extents */ -#define FSP_FREE_FRAG (24 + FLST_BASE_NODE_SIZE) - /* list of partially free extents not - belonging to any segment */ -#define FSP_FULL_FRAG (24 + 2 * FLST_BASE_NODE_SIZE) - /* list of full extents not belonging - to any segment */ -#define FSP_SEG_ID (24 + 3 * FLST_BASE_NODE_SIZE) - /* 8 bytes which give the first unused - segment id */ -#define FSP_SEG_INODES_FULL (32 + 3 * FLST_BASE_NODE_SIZE) - /* list of pages containing segment - headers, where all the segment inode - slots are reserved */ -#define FSP_SEG_INODES_FREE (32 + 4 * FLST_BASE_NODE_SIZE) - /* list of pages containing segment - headers, where not all the segment - header slots are reserved */ -/*-------------------------------------*/ -/* File space header size */ -#define FSP_HEADER_SIZE (32 + 5 * FLST_BASE_NODE_SIZE) - -#define FSP_FREE_ADD 4 /* this many free extents are added - to the free list from above - FSP_FREE_LIMIT at a time */ - -/* FILE SEGMENT INODE - ================== - -Segment inode which is created for each segment in a tablespace. NOTE: in -purge we assume that a segment having only one currently used page can be -freed in a few steps, so that the freeing cannot fill the file buffer with -bufferfixed file pages. */ - -typedef byte fseg_inode_t; - -#define FSEG_INODE_PAGE_NODE FSEG_PAGE_DATA - /* the list node for linking - segment inode pages */ - -#define FSEG_ARR_OFFSET (FSEG_PAGE_DATA + FLST_NODE_SIZE) -/*-------------------------------------*/ -#define FSEG_ID 0 /* 8 bytes of segment id: if this is - ut_dulint_zero, it means that the - header is unused */ -#define FSEG_NOT_FULL_N_USED 8 - /* number of used segment pages in - the FSEG_NOT_FULL list */ -#define FSEG_FREE 12 - /* list of free extents of this - segment */ -#define FSEG_NOT_FULL (12 + FLST_BASE_NODE_SIZE) - /* list of partially free extents */ -#define FSEG_FULL (12 + 2 * FLST_BASE_NODE_SIZE) - /* list of full extents */ -#define FSEG_MAGIC_N (12 + 3 * FLST_BASE_NODE_SIZE) - /* magic number used in debugging */ -#define FSEG_FRAG_ARR (16 + 3 * FLST_BASE_NODE_SIZE) - /* array of individual pages - belonging to this segment in fsp - fragment extent lists */ -#define FSEG_FRAG_ARR_N_SLOTS (FSP_EXTENT_SIZE / 2) - /* number of slots in the array for - the fragment pages */ -#define FSEG_FRAG_SLOT_SIZE 4 /* a fragment page slot contains its - page number within space, FIL_NULL - means that the slot is not in use */ -/*-------------------------------------*/ -#define FSEG_INODE_SIZE \ - (16 + 3 * FLST_BASE_NODE_SIZE \ - + FSEG_FRAG_ARR_N_SLOTS * FSEG_FRAG_SLOT_SIZE) - -#define FSP_SEG_INODES_PER_PAGE(zip_size) \ - (((zip_size ? zip_size : UNIV_PAGE_SIZE) \ - - FSEG_ARR_OFFSET - 10) / FSEG_INODE_SIZE) - /* Number of segment inodes which fit on a - single page */ - -#define FSEG_MAGIC_N_VALUE 97937874 - -#define FSEG_FILLFACTOR 8 /* If this value is x, then if - the number of unused but reserved - pages in a segment is less than - reserved pages * 1/x, and there are - at least FSEG_FRAG_LIMIT used pages, - then we allow a new empty extent to - be added to the segment in - fseg_alloc_free_page. Otherwise, we - use unused pages of the segment. */ - -#define FSEG_FRAG_LIMIT FSEG_FRAG_ARR_N_SLOTS - /* If the segment has >= this many - used pages, it may be expanded by - allocating extents to the segment; - until that only individual fragment - pages are allocated from the space */ - -#define FSEG_FREE_LIST_LIMIT 40 /* If the reserved size of a segment - is at least this many extents, we - allow extents to be put to the free - list of the extent: at most - FSEG_FREE_LIST_MAX_LEN many */ -#define FSEG_FREE_LIST_MAX_LEN 4 - - -/* EXTENT DESCRIPTOR - ================= - -File extent descriptor data structure: contains bits to tell which pages in -the extent are free and which contain old tuple version to clean. */ - -/*-------------------------------------*/ -#define XDES_ID 0 /* The identifier of the segment - to which this extent belongs */ -#define XDES_FLST_NODE 8 /* The list node data structure - for the descriptors */ -#define XDES_STATE (FLST_NODE_SIZE + 8) - /* contains state information - of the extent */ -#define XDES_BITMAP (FLST_NODE_SIZE + 12) - /* Descriptor bitmap of the pages - in the extent */ -/*-------------------------------------*/ - -#define XDES_BITS_PER_PAGE 2 /* How many bits are there per page */ -#define XDES_FREE_BIT 0 /* Index of the bit which tells if - the page is free */ -#define XDES_CLEAN_BIT 1 /* NOTE: currently not used! - Index of the bit which tells if - there are old versions of tuples - on the page */ -/* States of a descriptor */ -#define XDES_FREE 1 /* extent is in free list of space */ -#define XDES_FREE_FRAG 2 /* extent is in free fragment list of - space */ -#define XDES_FULL_FRAG 3 /* extent is in full fragment list of - space */ -#define XDES_FSEG 4 /* extent belongs to a segment */ - -/* File extent data structure size in bytes. */ -#define XDES_SIZE \ - (XDES_BITMAP + UT_BITS_IN_BYTES(FSP_EXTENT_SIZE * XDES_BITS_PER_PAGE)) - -/* Offset of the descriptor array on a descriptor page */ -#define XDES_ARR_OFFSET (FSP_HEADER_OFFSET + FSP_HEADER_SIZE) - -#ifndef UNIV_HOTBACKUP -/* Flag to indicate if we have printed the tablespace full error. */ -static ibool fsp_tbs_full_error_printed = FALSE; - -/**********************************************************************//** -Returns an extent to the free list of a space. */ -static -void -fsp_free_extent( -/*============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset in the extent */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Frees an extent of a segment to the space free list. */ -static -void -fseg_free_extent( -/*=============*/ - fseg_inode_t* seg_inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset in the extent */ - mtr_t* mtr); /*!< in: mtr handle */ -/**********************************************************************//** -Calculates the number of pages reserved by a segment, and how -many pages are currently used. -@return number of reserved pages */ -static -ulint -fseg_n_reserved_pages_low( -/*======================*/ - fseg_inode_t* header, /*!< in: segment inode */ - ulint* used, /*!< out: number of pages used (not - more than reserved) */ - mtr_t* mtr); /*!< in: mtr handle */ -/********************************************************************//** -Marks a page used. The page must reside within the extents of the given -segment. */ -static -void -fseg_mark_page_used( -/*================*/ - fseg_inode_t* seg_inode,/*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Returns the first extent descriptor for a segment. We think of the extent -lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL --> FSEG_FREE. -@return the first extent descriptor, or NULL if none */ -static -xdes_t* -fseg_get_first_extent( -/*==================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Puts new extents to the free list if -there are free extents above the free limit. If an extent happens -to contain an extent descriptor page, the extent is put to -the FSP_FREE_FRAG list with the page marked as used. */ -static -void -fsp_fill_free_list( -/*===============*/ - ibool init_space, /*!< in: TRUE if this is a single-table - tablespace and we are only initing - the tablespace's first extent - descriptor page and ibuf bitmap page; - then we do not allocate more extents */ - ulint space, /*!< in: space */ - fsp_header_t* header, /*!< in: space header */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize file space -fragmentation. -@return the allocated page number, FIL_NULL if no page could be allocated */ -static -ulint -fseg_alloc_free_page_low( -/*=====================*/ - ulint space, /*!< in: space */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fseg_inode_t* seg_inode, /*!< in: segment inode */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction, /*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - mtr_t* mtr); /*!< in: mtr handle */ -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Reads the file space size stored in the header page. -@return tablespace size stored in the space header */ -UNIV_INTERN -ulint -fsp_get_size_low( -/*=============*/ - page_t* page) /*!< in: header page (page 0 in the tablespace) */ -{ - return(mach_read_from_4(page + FSP_HEADER_OFFSET + FSP_SIZE)); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Gets a pointer to the space header and x-locks its page. -@return pointer to the space header, page x-locked */ -UNIV_INLINE -fsp_header_t* -fsp_get_space_header( -/*=================*/ - ulint id, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - fsp_header_t* header; - - ut_ad(ut_is_2pow(zip_size)); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - ut_ad(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); - ut_ad(id || !zip_size); - - block = buf_page_get(id, zip_size, 0, RW_X_LATCH, mtr); - header = FSP_HEADER_OFFSET + buf_block_get_frame(block); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - ut_ad(id == mach_read_from_4(FSP_SPACE_ID + header)); - ut_ad(zip_size == dict_table_flags_to_zip_size( - mach_read_from_4(FSP_SPACE_FLAGS + header))); - return(header); -} - -/**********************************************************************//** -Gets a descriptor bit of a page. -@return TRUE if free */ -UNIV_INLINE -ibool -xdes_get_bit( -/*=========*/ - const xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset, /*!< in: page offset within extent: - 0 ... FSP_EXTENT_SIZE - 1 */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint index; - ulint byte_index; - ulint bit_index; - - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - ut_ad((bit == XDES_FREE_BIT) || (bit == XDES_CLEAN_BIT)); - ut_ad(offset < FSP_EXTENT_SIZE); - - index = bit + XDES_BITS_PER_PAGE * offset; - - byte_index = index / 8; - bit_index = index % 8; - - return(ut_bit_get_nth(mtr_read_ulint(descr + XDES_BITMAP + byte_index, - MLOG_1BYTE, mtr), - bit_index)); -} - -/**********************************************************************//** -Sets a descriptor bit of a page. */ -UNIV_INLINE -void -xdes_set_bit( -/*=========*/ - xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset, /*!< in: page offset within extent: - 0 ... FSP_EXTENT_SIZE - 1 */ - ibool val, /*!< in: bit value */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint index; - ulint byte_index; - ulint bit_index; - ulint descr_byte; - - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - ut_ad((bit == XDES_FREE_BIT) || (bit == XDES_CLEAN_BIT)); - ut_ad(offset < FSP_EXTENT_SIZE); - - index = bit + XDES_BITS_PER_PAGE * offset; - - byte_index = index / 8; - bit_index = index % 8; - - descr_byte = mtr_read_ulint(descr + XDES_BITMAP + byte_index, - MLOG_1BYTE, mtr); - descr_byte = ut_bit_set_nth(descr_byte, bit_index, val); - - mlog_write_ulint(descr + XDES_BITMAP + byte_index, descr_byte, - MLOG_1BYTE, mtr); -} - -/**********************************************************************//** -Looks for a descriptor bit having the desired value. Starts from hint -and scans upward; at the end of the extent the search is wrapped to -the start of the extent. -@return bit index of the bit, ULINT_UNDEFINED if not found */ -UNIV_INLINE -ulint -xdes_find_bit( -/*==========*/ - xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ibool val, /*!< in: desired bit value */ - ulint hint, /*!< in: hint of which bit position would be desirable */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - - ut_ad(descr && mtr); - ut_ad(val <= TRUE); - ut_ad(hint < FSP_EXTENT_SIZE); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - for (i = hint; i < FSP_EXTENT_SIZE; i++) { - if (val == xdes_get_bit(descr, bit, i, mtr)) { - - return(i); - } - } - - for (i = 0; i < hint; i++) { - if (val == xdes_get_bit(descr, bit, i, mtr)) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Looks for a descriptor bit having the desired value. Scans the extent in -a direction opposite to xdes_find_bit. -@return bit index of the bit, ULINT_UNDEFINED if not found */ -UNIV_INLINE -ulint -xdes_find_bit_downward( -/*===================*/ - xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ibool val, /*!< in: desired bit value */ - ulint hint, /*!< in: hint of which bit position would be desirable */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - - ut_ad(descr && mtr); - ut_ad(val <= TRUE); - ut_ad(hint < FSP_EXTENT_SIZE); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - for (i = hint + 1; i > 0; i--) { - if (val == xdes_get_bit(descr, bit, i - 1, mtr)) { - - return(i - 1); - } - } - - for (i = FSP_EXTENT_SIZE - 1; i > hint; i--) { - if (val == xdes_get_bit(descr, bit, i, mtr)) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Returns the number of used pages in a descriptor. -@return number of pages used */ -UNIV_INLINE -ulint -xdes_get_n_used( -/*============*/ - const xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - ulint count = 0; - - ut_ad(descr && mtr); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - for (i = 0; i < FSP_EXTENT_SIZE; i++) { - if (FALSE == xdes_get_bit(descr, XDES_FREE_BIT, i, mtr)) { - count++; - } - } - - return(count); -} - -/**********************************************************************//** -Returns true if extent contains no used pages. -@return TRUE if totally free */ -UNIV_INLINE -ibool -xdes_is_free( -/*=========*/ - const xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (0 == xdes_get_n_used(descr, mtr)) { - - return(TRUE); - } - - return(FALSE); -} - -/**********************************************************************//** -Returns true if extent contains no free pages. -@return TRUE if full */ -UNIV_INLINE -ibool -xdes_is_full( -/*=========*/ - const xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (FSP_EXTENT_SIZE == xdes_get_n_used(descr, mtr)) { - - return(TRUE); - } - - return(FALSE); -} - -/**********************************************************************//** -Sets the state of an xdes. */ -UNIV_INLINE -void -xdes_set_state( -/*===========*/ - xdes_t* descr, /*!< in/out: descriptor */ - ulint state, /*!< in: state to set */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ut_ad(descr && mtr); - ut_ad(state >= XDES_FREE); - ut_ad(state <= XDES_FSEG); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - - mlog_write_ulint(descr + XDES_STATE, state, MLOG_4BYTES, mtr); -} - -/**********************************************************************//** -Gets the state of an xdes. -@return state */ -UNIV_INLINE -ulint -xdes_get_state( -/*===========*/ - const xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint state; - - ut_ad(descr && mtr); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - - state = mtr_read_ulint(descr + XDES_STATE, MLOG_4BYTES, mtr); - ut_ad(state - 1 < XDES_FSEG); - return(state); -} - -/**********************************************************************//** -Inits an extent descriptor to the free and clean state. */ -UNIV_INLINE -void -xdes_init( -/*======*/ - xdes_t* descr, /*!< in: descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - - ut_ad(descr && mtr); - ut_ad(mtr_memo_contains_page(mtr, descr, MTR_MEMO_PAGE_X_FIX)); - ut_ad((XDES_SIZE - XDES_BITMAP) % 4 == 0); - - for (i = XDES_BITMAP; i < XDES_SIZE; i += 4) { - mlog_write_ulint(descr + i, 0xFFFFFFFFUL, MLOG_4BYTES, mtr); - } - - xdes_set_state(descr, XDES_FREE, mtr); -} - -/********************************************************************//** -Calculates the page where the descriptor of a page resides. -@return descriptor page offset */ -UNIV_INLINE -ulint -xdes_calc_descriptor_page( -/*======================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint offset) /*!< in: page offset */ -{ -#ifndef DOXYGEN /* Doxygen gets confused of these */ -# if UNIV_PAGE_SIZE <= XDES_ARR_OFFSET \ - + (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE -# error -# endif -# if PAGE_ZIP_MIN_SIZE <= XDES_ARR_OFFSET \ - + (PAGE_ZIP_MIN_SIZE / FSP_EXTENT_SIZE) * XDES_SIZE -# error -# endif -#endif /* !DOXYGEN */ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return(ut_2pow_round(offset, UNIV_PAGE_SIZE)); - } else { - ut_ad(zip_size > XDES_ARR_OFFSET - + (zip_size / FSP_EXTENT_SIZE) * XDES_SIZE); - return(ut_2pow_round(offset, zip_size)); - } -} - -/********************************************************************//** -Calculates the descriptor index within a descriptor page. -@return descriptor index */ -UNIV_INLINE -ulint -xdes_calc_descriptor_index( -/*=======================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint offset) /*!< in: page offset */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return(ut_2pow_remainder(offset, UNIV_PAGE_SIZE) - / FSP_EXTENT_SIZE); - } else { - return(ut_2pow_remainder(offset, zip_size) / FSP_EXTENT_SIZE); - } -} - -/********************************************************************//** -Gets pointer to a the extent descriptor of a page. The page where the extent -descriptor resides is x-locked. If the page offset is equal to the free limit -of the space, adds new extents from above the free limit to the space free -list, if not free limit == space size. This adding is necessary to make the -descriptor defined, as they are uninitialized above the free limit. -@return pointer to the extent descriptor, NULL if the page does not -exist in the space or if the offset exceeds the free limit */ -UNIV_INLINE -xdes_t* -xdes_get_descriptor_with_space_hdr( -/*===============================*/ - fsp_header_t* sp_header,/*!< in/out: space header, x-latched */ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: page offset; - if equal to the free limit, - we try to add new extents to - the space free list */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint limit; - ulint size; - ulint zip_size; - ulint descr_page_no; - page_t* descr_page; - - ut_ad(mtr); - ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); - ut_ad(mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains_page(mtr, sp_header, MTR_MEMO_PAGE_X_FIX)); - ut_ad(page_offset(sp_header) == FSP_HEADER_OFFSET); - /* Read free limit and space size */ - limit = mach_read_from_4(sp_header + FSP_FREE_LIMIT); - size = mach_read_from_4(sp_header + FSP_SIZE); - zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(sp_header + FSP_SPACE_FLAGS)); - - /* If offset is >= size or > limit, return NULL */ - - if ((offset >= size) || (offset > limit)) { - - return(NULL); - } - - /* If offset is == limit, fill free list of the space. */ - - if (offset == limit) { - fsp_fill_free_list(FALSE, space, sp_header, mtr); - } - - descr_page_no = xdes_calc_descriptor_page(zip_size, offset); - - if (descr_page_no == 0) { - /* It is on the space header page */ - - descr_page = page_align(sp_header); - } else { - buf_block_t* block; - - block = buf_page_get(space, zip_size, descr_page_no, - RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - descr_page = buf_block_get_frame(block); - } - - return(descr_page + XDES_ARR_OFFSET - + XDES_SIZE * xdes_calc_descriptor_index(zip_size, offset)); -} - -/********************************************************************//** -Gets pointer to a the extent descriptor of a page. The page where the -extent descriptor resides is x-locked. If the page offset is equal to -the free limit of the space, adds new extents from above the free limit -to the space free list, if not free limit == space size. This adding -is necessary to make the descriptor defined, as they are uninitialized -above the free limit. -@return pointer to the extent descriptor, NULL if the page does not -exist in the space or if the offset exceeds the free limit */ -static -xdes_t* -xdes_get_descriptor( -/*================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint offset, /*!< in: page offset; if equal to the free limit, - we try to add new extents to the space free list */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - buf_block_t* block; - fsp_header_t* sp_header; - - block = buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - sp_header = FSP_HEADER_OFFSET + buf_block_get_frame(block); - return(xdes_get_descriptor_with_space_hdr(sp_header, space, offset, - mtr)); -} - -/********************************************************************//** -Gets pointer to a the extent descriptor if the file address -of the descriptor list node is known. The page where the -extent descriptor resides is x-locked. -@return pointer to the extent descriptor */ -UNIV_INLINE -xdes_t* -xdes_lst_get_descriptor( -/*====================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fil_addr_t lst_node,/*!< in: file address of the list node - contained in the descriptor */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - xdes_t* descr; - - ut_ad(mtr); - ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); - descr = fut_get_ptr(space, zip_size, lst_node, RW_X_LATCH, mtr) - - XDES_FLST_NODE; - - return(descr); -} - -/********************************************************************//** -Returns page offset of the first page in extent described by a descriptor. -@return offset of the first page in extent */ -UNIV_INLINE -ulint -xdes_get_offset( -/*============*/ - xdes_t* descr) /*!< in: extent descriptor */ -{ - ut_ad(descr); - - return(page_get_page_no(page_align(descr)) - + ((page_offset(descr) - XDES_ARR_OFFSET) / XDES_SIZE) - * FSP_EXTENT_SIZE); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Inits a file page whose prior contents should be ignored. */ -static -void -fsp_init_file_page_low( -/*===================*/ - buf_block_t* block) /*!< in: pointer to a page */ -{ - page_t* page = buf_block_get_frame(block); - page_zip_des_t* page_zip= buf_block_get_page_zip(block); - -#ifndef UNIV_HOTBACKUP - block->check_index_page_at_flush = FALSE; -#endif /* !UNIV_HOTBACKUP */ - - if (UNIV_LIKELY_NULL(page_zip)) { - memset(page, 0, UNIV_PAGE_SIZE); - memset(page_zip->data, 0, page_zip_get_size(page_zip)); - mach_write_to_4(page + FIL_PAGE_OFFSET, - buf_block_get_page_no(block)); - mach_write_to_4(page - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, - buf_block_get_space(block)); - memcpy(page_zip->data + FIL_PAGE_OFFSET, - page + FIL_PAGE_OFFSET, 4); - memcpy(page_zip->data + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, - page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 4); - return; - } - - UNIV_MEM_INVALID(page, UNIV_PAGE_SIZE); - mach_write_to_4(page + FIL_PAGE_OFFSET, buf_block_get_page_no(block)); - memset(page + FIL_PAGE_LSN, 0, 8); - mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, - buf_block_get_space(block)); - memset(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, 0, 8); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************//** -Inits a file page whose prior contents should be ignored. */ -static -void -fsp_init_file_page( -/*===============*/ - buf_block_t* block, /*!< in: pointer to a page */ - mtr_t* mtr) /*!< in: mtr */ -{ - fsp_init_file_page_low(block); - - mlog_write_initial_log_record(buf_block_get_frame(block), - MLOG_INIT_FILE_PAGE, mtr); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a redo log record of a file page init. -@return end of log record or NULL */ -UNIV_INTERN -byte* -fsp_parse_init_file_page( -/*=====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ - buf_block_t* block) /*!< in: block or NULL */ -{ - ut_ad(ptr && end_ptr); - - if (block) { - fsp_init_file_page_low(block); - } - - return(ptr); -} - -/**********************************************************************//** -Initializes the fsp system. */ -UNIV_INTERN -void -fsp_init(void) -/*==========*/ -{ - /* Does nothing at the moment */ -} - -/**********************************************************************//** -Writes the space id and compressed page size to a tablespace header. -This function is used past the buffer pool when we in fil0fil.c create -a new single-table tablespace. */ -UNIV_INTERN -void -fsp_header_init_fields( -/*===================*/ - page_t* page, /*!< in/out: first page in the space */ - ulint space_id, /*!< in: space id */ - ulint flags) /*!< in: tablespace flags (FSP_SPACE_FLAGS): - 0, or table->flags if newer than COMPACT */ -{ - /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for - ROW_FORMAT=COMPACT (table->flags == DICT_TF_COMPACT) and - ROW_FORMAT=REDUNDANT (table->flags == 0). For any other - format, the tablespace flags should equal table->flags. */ - ut_a(flags != DICT_TF_COMPACT); - - mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_ID + page, - space_id); - mach_write_to_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page, - flags); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Initializes the space header of a new created space and creates also the -insert buffer tree root if space == 0. */ -UNIV_INTERN -void -fsp_header_init( -/*============*/ - ulint space, /*!< in: space id */ - ulint size, /*!< in: current size in blocks */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fsp_header_t* header; - buf_block_t* block; - page_t* page; - ulint flags; - ulint zip_size; - - ut_ad(mtr); - - mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - - zip_size = dict_table_flags_to_zip_size(flags); - block = buf_page_create(space, 0, zip_size, mtr); - buf_page_get(space, zip_size, 0, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - /* The prior contents of the file page should be ignored */ - - fsp_init_file_page(block, mtr); - page = buf_block_get_frame(block); - - mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_TYPE_FSP_HDR, - MLOG_2BYTES, mtr); - - header = FSP_HEADER_OFFSET + page; - - mlog_write_ulint(header + FSP_SPACE_ID, space, MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_NOT_USED, 0, MLOG_4BYTES, mtr); - - mlog_write_ulint(header + FSP_SIZE, size, MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_FREE_LIMIT, 0, MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_SPACE_FLAGS, flags, - MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_FRAG_N_USED, 0, MLOG_4BYTES, mtr); - - flst_init(header + FSP_FREE, mtr); - flst_init(header + FSP_FREE_FRAG, mtr); - flst_init(header + FSP_FULL_FRAG, mtr); - flst_init(header + FSP_SEG_INODES_FULL, mtr); - flst_init(header + FSP_SEG_INODES_FREE, mtr); - - mlog_write_dulint(header + FSP_SEG_ID, ut_dulint_create(0, 1), mtr); - if (space == 0) { - fsp_fill_free_list(FALSE, space, header, mtr); - btr_create(DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, - 0, 0, ut_dulint_add(DICT_IBUF_ID_MIN, space), - dict_ind_redundant, mtr); - } else { - fsp_fill_free_list(TRUE, space, header, mtr); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Reads the space id from the first page of a tablespace. -@return space id, ULINT UNDEFINED if error */ -UNIV_INTERN -ulint -fsp_header_get_space_id( -/*====================*/ - const page_t* page) /*!< in: first page of a tablespace */ -{ - ulint fsp_id; - ulint id; - - fsp_id = mach_read_from_4(FSP_HEADER_OFFSET + page + FSP_SPACE_ID); - - id = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - - if (id != fsp_id) { - fprintf(stderr, - "InnoDB: Error: space id in fsp header %lu," - " but in the page header %lu\n", - (ulong) fsp_id, (ulong) id); - - return(ULINT_UNDEFINED); - } - - return(id); -} - -/**********************************************************************//** -Reads the space flags from the first page of a tablespace. -@return flags */ -UNIV_INTERN -ulint -fsp_header_get_flags( -/*=================*/ - const page_t* page) /*!< in: first page of a tablespace */ -{ - ut_ad(!page_offset(page)); - - return(mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page)); -} - -/**********************************************************************//** -Reads the compressed page size from the first page of a tablespace. -@return compressed page size in bytes, or 0 if uncompressed */ -UNIV_INTERN -ulint -fsp_header_get_zip_size( -/*====================*/ - const page_t* page) /*!< in: first page of a tablespace */ -{ - ulint flags = fsp_header_get_flags(page); - - return(dict_table_flags_to_zip_size(flags)); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Increases the space size field of a space. */ -UNIV_INTERN -void -fsp_header_inc_size( -/*================*/ - ulint space, /*!< in: space id */ - ulint size_inc,/*!< in: size increment in pages */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fsp_header_t* header; - ulint size; - ulint flags; - - ut_ad(mtr); - - mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - - header = fsp_get_space_header(space, - dict_table_flags_to_zip_size(flags), - mtr); - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - - mlog_write_ulint(header + FSP_SIZE, size + size_inc, MLOG_4BYTES, - mtr); -} - -/**********************************************************************//** -Gets the current free limit of the system tablespace. The free limit -means the place of the first page which has never been put to the -free list for allocation. The space above that address is initialized -to zero. Sets also the global variable log_fsp_current_free_limit. -@return free limit in megabytes */ -UNIV_INTERN -ulint -fsp_header_get_free_limit(void) -/*===========================*/ -{ - fsp_header_t* header; - ulint limit; - mtr_t mtr; - - mtr_start(&mtr); - - mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); - - header = fsp_get_space_header(0, 0, &mtr); - - limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, &mtr); - - limit /= ((1024 * 1024) / UNIV_PAGE_SIZE); - - log_fsp_current_free_limit_set_and_checkpoint(limit); - - mtr_commit(&mtr); - - return(limit); -} - -/**********************************************************************//** -Gets the size of the system tablespace from the tablespace header. If -we do not have an auto-extending data file, this should be equal to -the size of the data files. If there is an auto-extending data file, -this can be smaller. -@return size in pages */ -UNIV_INTERN -ulint -fsp_header_get_tablespace_size(void) -/*================================*/ -{ - fsp_header_t* header; - ulint size; - mtr_t mtr; - - mtr_start(&mtr); - - mtr_x_lock(fil_space_get_latch(0, NULL), &mtr); - - header = fsp_get_space_header(0, 0, &mtr); - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); - - mtr_commit(&mtr); - - return(size); -} - -/***********************************************************************//** -Tries to extend a single-table tablespace so that a page would fit in the -data file. -@return TRUE if success */ -static -ibool -fsp_try_extend_data_file_with_pages( -/*================================*/ - ulint space, /*!< in: space */ - ulint page_no, /*!< in: page number */ - fsp_header_t* header, /*!< in: space header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ibool success; - ulint actual_size; - ulint size; - - ut_a(space != 0); - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - - ut_a(page_no >= size); - - success = fil_extend_space_to_desired_size(&actual_size, space, - page_no + 1); - /* actual_size now has the space size in pages; it may be less than - we wanted if we ran out of disk space */ - - mlog_write_ulint(header + FSP_SIZE, actual_size, MLOG_4BYTES, mtr); - - return(success); -} - -/***********************************************************************//** -Tries to extend the last data file of a tablespace if it is auto-extending. -@return FALSE if not auto-extending */ -static -ibool -fsp_try_extend_data_file( -/*=====================*/ - ulint* actual_increase,/*!< out: actual increase in pages, where - we measure the tablespace size from - what the header field says; it may be - the actual file size rounded down to - megabyte */ - ulint space, /*!< in: space */ - fsp_header_t* header, /*!< in: space header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint size; - ulint zip_size; - ulint new_size; - ulint old_size; - ulint size_increase; - ulint actual_size; - ibool success; - - *actual_increase = 0; - - if (space == 0 && !srv_auto_extend_last_data_file) { - - /* We print the error message only once to avoid - spamming the error log. Note that we don't need - to reset the flag to FALSE as dealing with this - error requires server restart. */ - if (fsp_tbs_full_error_printed == FALSE) { - fprintf(stderr, - "InnoDB: Error: Data file(s) ran" - " out of space.\n" - "Please add another data file or" - " use \'autoextend\' for the last" - " data file.\n"); - fsp_tbs_full_error_printed = TRUE; - } - return(FALSE); - } - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(header + FSP_SPACE_FLAGS)); - - old_size = size; - - if (space == 0) { - if (!srv_last_file_size_max) { - size_increase = SRV_AUTO_EXTEND_INCREMENT; - } else { - if (srv_last_file_size_max - < srv_data_file_sizes[srv_n_data_files - 1]) { - - fprintf(stderr, - "InnoDB: Error: Last data file size" - " is %lu, max size allowed %lu\n", - (ulong) srv_data_file_sizes[ - srv_n_data_files - 1], - (ulong) srv_last_file_size_max); - } - - size_increase = srv_last_file_size_max - - srv_data_file_sizes[srv_n_data_files - 1]; - if (size_increase > SRV_AUTO_EXTEND_INCREMENT) { - size_increase = SRV_AUTO_EXTEND_INCREMENT; - } - } - } else { - /* We extend single-table tablespaces first one extent - at a time, but for bigger tablespaces more. It is not - enough to extend always by one extent, because some - extents are frag page extents. */ - ulint extent_size; /*!< one megabyte, in pages */ - - if (!zip_size) { - extent_size = FSP_EXTENT_SIZE; - } else { - extent_size = FSP_EXTENT_SIZE - * UNIV_PAGE_SIZE / zip_size; - } - - if (size < extent_size) { - /* Let us first extend the file to extent_size */ - success = fsp_try_extend_data_file_with_pages( - space, extent_size - 1, header, mtr); - if (!success) { - new_size = mtr_read_ulint(header + FSP_SIZE, - MLOG_4BYTES, mtr); - - *actual_increase = new_size - old_size; - - return(FALSE); - } - - size = extent_size; - } - - if (size < 32 * extent_size) { - size_increase = extent_size; - } else { - /* Below in fsp_fill_free_list() we assume - that we add at most FSP_FREE_ADD extents at - a time */ - size_increase = FSP_FREE_ADD * extent_size; - } - } - - if (size_increase == 0) { - - return(TRUE); - } - - success = fil_extend_space_to_desired_size(&actual_size, space, - size + size_increase); - /* We ignore any fragments of a full megabyte when storing the size - to the space header */ - - if (!zip_size) { - new_size = ut_calc_align_down(actual_size, - (1024 * 1024) / UNIV_PAGE_SIZE); - } else { - new_size = ut_calc_align_down(actual_size, - (1024 * 1024) / zip_size); - } - mlog_write_ulint(header + FSP_SIZE, new_size, MLOG_4BYTES, mtr); - - *actual_increase = new_size - old_size; - - return(TRUE); -} - -/**********************************************************************//** -Puts new extents to the free list if there are free extents above the free -limit. If an extent happens to contain an extent descriptor page, the extent -is put to the FSP_FREE_FRAG list with the page marked as used. */ -static -void -fsp_fill_free_list( -/*===============*/ - ibool init_space, /*!< in: TRUE if this is a single-table - tablespace and we are only initing - the tablespace's first extent - descriptor page and ibuf bitmap page; - then we do not allocate more extents */ - ulint space, /*!< in: space */ - fsp_header_t* header, /*!< in/out: space header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint limit; - ulint size; - ulint zip_size; - xdes_t* descr; - ulint count = 0; - ulint frag_n_used; - ulint actual_increase; - ulint i; - mtr_t ibuf_mtr; - - ut_ad(header && mtr); - ut_ad(page_offset(header) == FSP_HEADER_OFFSET); - - /* Check if we can fill free list from above the free list limit */ - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, mtr); - - zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(FSP_SPACE_FLAGS + header)); - ut_a(ut_is_2pow(zip_size)); - ut_a(zip_size <= UNIV_PAGE_SIZE); - ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); - - if (space == 0 && srv_auto_extend_last_data_file - && size < limit + FSP_EXTENT_SIZE * FSP_FREE_ADD) { - - /* Try to increase the last data file size */ - fsp_try_extend_data_file(&actual_increase, space, header, mtr); - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - } - - if (space != 0 && !init_space - && size < limit + FSP_EXTENT_SIZE * FSP_FREE_ADD) { - - /* Try to increase the .ibd file size */ - fsp_try_extend_data_file(&actual_increase, space, header, mtr); - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - } - - i = limit; - - while ((init_space && i < 1) - || ((i + FSP_EXTENT_SIZE <= size) && (count < FSP_FREE_ADD))) { - - ibool init_xdes; - if (zip_size) { - init_xdes = ut_2pow_remainder(i, zip_size) == 0; - } else { - init_xdes = ut_2pow_remainder(i, UNIV_PAGE_SIZE) == 0; - } - - mlog_write_ulint(header + FSP_FREE_LIMIT, i + FSP_EXTENT_SIZE, - MLOG_4BYTES, mtr); - - /* Update the free limit info in the log system and make - a checkpoint */ - if (space == 0) { - ut_a(!zip_size); - log_fsp_current_free_limit_set_and_checkpoint( - (i + FSP_EXTENT_SIZE) - / ((1024 * 1024) / UNIV_PAGE_SIZE)); - } - - if (UNIV_UNLIKELY(init_xdes)) { - - buf_block_t* block; - - /* We are going to initialize a new descriptor page - and a new ibuf bitmap page: the prior contents of the - pages should be ignored. */ - - if (i > 0) { - block = buf_page_create( - space, i, zip_size, mtr); - buf_page_get(space, zip_size, i, - RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, - SYNC_FSP_PAGE); - - fsp_init_file_page(block, mtr); - mlog_write_ulint(buf_block_get_frame(block) - + FIL_PAGE_TYPE, - FIL_PAGE_TYPE_XDES, - MLOG_2BYTES, mtr); - } - - /* Initialize the ibuf bitmap page in a separate - mini-transaction because it is low in the latching - order, and we must be able to release its latch - before returning from the fsp routine */ - - mtr_start(&ibuf_mtr); - - block = buf_page_create(space, - i + FSP_IBUF_BITMAP_OFFSET, - zip_size, &ibuf_mtr); - buf_page_get(space, zip_size, - i + FSP_IBUF_BITMAP_OFFSET, - RW_X_LATCH, &ibuf_mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - fsp_init_file_page(block, &ibuf_mtr); - - ibuf_bitmap_page_init(block, &ibuf_mtr); - - mtr_commit(&ibuf_mtr); - } - - descr = xdes_get_descriptor_with_space_hdr(header, space, i, - mtr); - xdes_init(descr, mtr); - -#if UNIV_PAGE_SIZE % FSP_EXTENT_SIZE -# error "UNIV_PAGE_SIZE % FSP_EXTENT_SIZE != 0" -#endif -#if PAGE_ZIP_MIN_SIZE % FSP_EXTENT_SIZE -# error "PAGE_ZIP_MIN_SIZE % FSP_EXTENT_SIZE != 0" -#endif - - if (UNIV_UNLIKELY(init_xdes)) { - - /* The first page in the extent is a descriptor page - and the second is an ibuf bitmap page: mark them - used */ - - xdes_set_bit(descr, XDES_FREE_BIT, 0, FALSE, mtr); - xdes_set_bit(descr, XDES_FREE_BIT, - FSP_IBUF_BITMAP_OFFSET, FALSE, mtr); - xdes_set_state(descr, XDES_FREE_FRAG, mtr); - - flst_add_last(header + FSP_FREE_FRAG, - descr + XDES_FLST_NODE, mtr); - frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, - MLOG_4BYTES, mtr); - mlog_write_ulint(header + FSP_FRAG_N_USED, - frag_n_used + 2, MLOG_4BYTES, mtr); - } else { - flst_add_last(header + FSP_FREE, - descr + XDES_FLST_NODE, mtr); - count++; - } - - i += FSP_EXTENT_SIZE; - } -} - -/**********************************************************************//** -Allocates a new free extent. -@return extent descriptor, NULL if cannot be allocated */ -static -xdes_t* -fsp_alloc_free_extent( -/*==================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint hint, /*!< in: hint of which extent would be desirable: any - page offset in the extent goes; the hint must not - be > FSP_FREE_LIMIT */ - mtr_t* mtr) /*!< in: mtr */ -{ - fsp_header_t* header; - fil_addr_t first; - xdes_t* descr; - - ut_ad(mtr); - - header = fsp_get_space_header(space, zip_size, mtr); - - descr = xdes_get_descriptor_with_space_hdr(header, space, hint, mtr); - - if (descr && (xdes_get_state(descr, mtr) == XDES_FREE)) { - /* Ok, we can take this extent */ - } else { - /* Take the first extent in the free list */ - first = flst_get_first(header + FSP_FREE, mtr); - - if (fil_addr_is_null(first)) { - fsp_fill_free_list(FALSE, space, header, mtr); - - first = flst_get_first(header + FSP_FREE, mtr); - } - - if (fil_addr_is_null(first)) { - - return(NULL); /* No free extents left */ - } - - descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); - } - - flst_remove(header + FSP_FREE, descr + XDES_FLST_NODE, mtr); - - return(descr); -} - -/**********************************************************************//** -Allocates a single free page from a space. The page is marked as used. -@return the page offset, FIL_NULL if no page could be allocated */ -static -ulint -fsp_alloc_free_page( -/*================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint hint, /*!< in: hint of which page would be desirable */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fsp_header_t* header; - fil_addr_t first; - xdes_t* descr; - buf_block_t* block; - ulint free; - ulint frag_n_used; - ulint page_no; - ulint space_size; - ibool success; - - ut_ad(mtr); - - header = fsp_get_space_header(space, zip_size, mtr); - - /* Get the hinted descriptor */ - descr = xdes_get_descriptor_with_space_hdr(header, space, hint, mtr); - - if (descr && (xdes_get_state(descr, mtr) == XDES_FREE_FRAG)) { - /* Ok, we can take this extent */ - } else { - /* Else take the first extent in free_frag list */ - first = flst_get_first(header + FSP_FREE_FRAG, mtr); - - if (fil_addr_is_null(first)) { - /* There are no partially full fragments: allocate - a free extent and add it to the FREE_FRAG list. NOTE - that the allocation may have as a side-effect that an - extent containing a descriptor page is added to the - FREE_FRAG list. But we will allocate our page from the - the free extent anyway. */ - - descr = fsp_alloc_free_extent(space, zip_size, - hint, mtr); - - if (descr == NULL) { - /* No free space left */ - - return(FIL_NULL); - } - - xdes_set_state(descr, XDES_FREE_FRAG, mtr); - flst_add_last(header + FSP_FREE_FRAG, - descr + XDES_FLST_NODE, mtr); - } else { - descr = xdes_lst_get_descriptor(space, zip_size, - first, mtr); - } - - /* Reset the hint */ - hint = 0; - } - - /* Now we have in descr an extent with at least one free page. Look - for a free page in the extent. */ - - free = xdes_find_bit(descr, XDES_FREE_BIT, TRUE, - hint % FSP_EXTENT_SIZE, mtr); - if (free == ULINT_UNDEFINED) { - - ut_print_buf(stderr, ((byte*)descr) - 500, 1000); - putc('\n', stderr); - - ut_error; - } - - page_no = xdes_get_offset(descr) + free; - - space_size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, mtr); - - if (space_size <= page_no) { - /* It must be that we are extending a single-table tablespace - whose size is still < 64 pages */ - - ut_a(space != 0); - if (page_no >= FSP_EXTENT_SIZE) { - fprintf(stderr, - "InnoDB: Error: trying to extend a" - " single-table tablespace %lu\n" - "InnoDB: by single page(s) though the" - " space size %lu. Page no %lu.\n", - (ulong) space, (ulong) space_size, - (ulong) page_no); - return(FIL_NULL); - } - success = fsp_try_extend_data_file_with_pages(space, page_no, - header, mtr); - if (!success) { - /* No disk space left */ - return(FIL_NULL); - } - } - - xdes_set_bit(descr, XDES_FREE_BIT, free, FALSE, mtr); - - /* Update the FRAG_N_USED field */ - frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, - mtr); - frag_n_used++; - mlog_write_ulint(header + FSP_FRAG_N_USED, frag_n_used, MLOG_4BYTES, - mtr); - if (xdes_is_full(descr, mtr)) { - /* The fragment is full: move it to another list */ - flst_remove(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, - mtr); - xdes_set_state(descr, XDES_FULL_FRAG, mtr); - - flst_add_last(header + FSP_FULL_FRAG, descr + XDES_FLST_NODE, - mtr); - mlog_write_ulint(header + FSP_FRAG_N_USED, - frag_n_used - FSP_EXTENT_SIZE, MLOG_4BYTES, - mtr); - } - - /* Initialize the allocated page to the buffer pool, so that it can - be obtained immediately with buf_page_get without need for a disk - read. */ - - buf_page_create(space, page_no, zip_size, mtr); - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - /* Prior contents of the page should be ignored */ - fsp_init_file_page(block, mtr); - - return(page_no); -} - -/**********************************************************************//** -Frees a single page of a space. The page is marked as free and clean. */ -static -void -fsp_free_page( -/*==========*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fsp_header_t* header; - xdes_t* descr; - ulint state; - ulint frag_n_used; - - ut_ad(mtr); - - /* fprintf(stderr, "Freeing page %lu in space %lu\n", page, space); */ - - header = fsp_get_space_header(space, zip_size, mtr); - - descr = xdes_get_descriptor_with_space_hdr(header, space, page, mtr); - - state = xdes_get_state(descr, mtr); - - if (state != XDES_FREE_FRAG && state != XDES_FULL_FRAG) { - fprintf(stderr, - "InnoDB: Error: File space extent descriptor" - " of page %lu has state %lu\n", - (ulong) page, - (ulong) state); - fputs("InnoDB: Dump of descriptor: ", stderr); - ut_print_buf(stderr, ((byte*)descr) - 50, 200); - putc('\n', stderr); - - if (state == XDES_FREE) { - /* We put here some fault tolerance: if the page - is already free, return without doing anything! */ - - return; - } - - ut_error; - } - - if (xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr)) { - fprintf(stderr, - "InnoDB: Error: File space extent descriptor" - " of page %lu says it is free\n" - "InnoDB: Dump of descriptor: ", (ulong) page); - ut_print_buf(stderr, ((byte*)descr) - 50, 200); - putc('\n', stderr); - - /* We put here some fault tolerance: if the page - is already free, return without doing anything! */ - - return; - } - - xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); - xdes_set_bit(descr, XDES_CLEAN_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); - - frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, - mtr); - if (state == XDES_FULL_FRAG) { - /* The fragment was full: move it to another list */ - flst_remove(header + FSP_FULL_FRAG, descr + XDES_FLST_NODE, - mtr); - xdes_set_state(descr, XDES_FREE_FRAG, mtr); - flst_add_last(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, - mtr); - mlog_write_ulint(header + FSP_FRAG_N_USED, - frag_n_used + FSP_EXTENT_SIZE - 1, - MLOG_4BYTES, mtr); - } else { - ut_a(frag_n_used > 0); - mlog_write_ulint(header + FSP_FRAG_N_USED, frag_n_used - 1, - MLOG_4BYTES, mtr); - } - - if (xdes_is_free(descr, mtr)) { - /* The extent has become free: move it to another list */ - flst_remove(header + FSP_FREE_FRAG, descr + XDES_FLST_NODE, - mtr); - fsp_free_extent(space, zip_size, page, mtr); - } -} - -/**********************************************************************//** -Returns an extent to the free list of a space. */ -static -void -fsp_free_extent( -/*============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset in the extent */ - mtr_t* mtr) /*!< in: mtr */ -{ - fsp_header_t* header; - xdes_t* descr; - - ut_ad(mtr); - - header = fsp_get_space_header(space, zip_size, mtr); - - descr = xdes_get_descriptor_with_space_hdr(header, space, page, mtr); - - if (xdes_get_state(descr, mtr) == XDES_FREE) { - - ut_print_buf(stderr, (byte*)descr - 500, 1000); - putc('\n', stderr); - - ut_error; - } - - xdes_init(descr, mtr); - - flst_add_last(header + FSP_FREE, descr + XDES_FLST_NODE, mtr); -} - -/**********************************************************************//** -Returns the nth inode slot on an inode page. -@return segment inode */ -UNIV_INLINE -fseg_inode_t* -fsp_seg_inode_page_get_nth_inode( -/*=============================*/ - page_t* page, /*!< in: segment inode page */ - ulint i, /*!< in: inode index on page */ - ulint zip_size __attribute__((unused)), - /*!< in: compressed page size, or 0 */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mini-transaction handle */ -{ - ut_ad(i < FSP_SEG_INODES_PER_PAGE(zip_size)); - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); - - return(page + FSEG_ARR_OFFSET + FSEG_INODE_SIZE * i); -} - -/**********************************************************************//** -Looks for a used segment inode on a segment inode page. -@return segment inode index, or ULINT_UNDEFINED if not found */ -static -ulint -fsp_seg_inode_page_find_used( -/*=========================*/ - page_t* page, /*!< in: segment inode page */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint i; - fseg_inode_t* inode; - - for (i = 0; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { - - inode = fsp_seg_inode_page_get_nth_inode( - page, i, zip_size, mtr); - - if (!ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) { - /* This is used */ - - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Looks for an unused segment inode on a segment inode page. -@return segment inode index, or ULINT_UNDEFINED if not found */ -static -ulint -fsp_seg_inode_page_find_free( -/*=========================*/ - page_t* page, /*!< in: segment inode page */ - ulint i, /*!< in: search forward starting from this index */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fseg_inode_t* inode; - - for (; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { - - inode = fsp_seg_inode_page_get_nth_inode( - page, i, zip_size, mtr); - - if (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) { - /* This is unused */ - - return(i); - } - - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Allocates a new file segment inode page. -@return TRUE if could be allocated */ -static -ibool -fsp_alloc_seg_inode_page( -/*=====================*/ - fsp_header_t* space_header, /*!< in: space header */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fseg_inode_t* inode; - buf_block_t* block; - page_t* page; - ulint page_no; - ulint space; - ulint zip_size; - ulint i; - - ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); - - space = page_get_space_id(page_align(space_header)); - zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(FSP_SPACE_FLAGS + space_header)); - - page_no = fsp_alloc_free_page(space, zip_size, 0, mtr); - - if (page_no == FIL_NULL) { - - return(FALSE); - } - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - block->check_index_page_at_flush = FALSE; - - page = buf_block_get_frame(block); - - mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_INODE, - MLOG_2BYTES, mtr); - - for (i = 0; i < FSP_SEG_INODES_PER_PAGE(zip_size); i++) { - - inode = fsp_seg_inode_page_get_nth_inode(page, i, - zip_size, mtr); - - mlog_write_dulint(inode + FSEG_ID, ut_dulint_zero, mtr); - } - - flst_add_last(space_header + FSP_SEG_INODES_FREE, - page + FSEG_INODE_PAGE_NODE, mtr); - return(TRUE); -} - -/**********************************************************************//** -Allocates a new file segment inode. -@return segment inode, or NULL if not enough space */ -static -fseg_inode_t* -fsp_alloc_seg_inode( -/*================*/ - fsp_header_t* space_header, /*!< in: space header */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint page_no; - buf_block_t* block; - page_t* page; - fseg_inode_t* inode; - ibool success; - ulint zip_size; - ulint n; - - ut_ad(page_offset(space_header) == FSP_HEADER_OFFSET); - - if (flst_get_len(space_header + FSP_SEG_INODES_FREE, mtr) == 0) { - /* Allocate a new segment inode page */ - - success = fsp_alloc_seg_inode_page(space_header, mtr); - - if (!success) { - - return(NULL); - } - } - - page_no = flst_get_first(space_header + FSP_SEG_INODES_FREE, mtr).page; - - zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(FSP_SPACE_FLAGS + space_header)); - block = buf_page_get(page_get_space_id(page_align(space_header)), - zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - page = buf_block_get_frame(block); - - n = fsp_seg_inode_page_find_free(page, 0, zip_size, mtr); - - ut_a(n != ULINT_UNDEFINED); - - inode = fsp_seg_inode_page_get_nth_inode(page, n, zip_size, mtr); - - if (ULINT_UNDEFINED == fsp_seg_inode_page_find_free(page, n + 1, - zip_size, mtr)) { - /* There are no other unused headers left on the page: move it - to another list */ - - flst_remove(space_header + FSP_SEG_INODES_FREE, - page + FSEG_INODE_PAGE_NODE, mtr); - - flst_add_last(space_header + FSP_SEG_INODES_FULL, - page + FSEG_INODE_PAGE_NODE, mtr); - } - - ut_ad(ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)) - || mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - return(inode); -} - -/**********************************************************************//** -Frees a file segment inode. */ -static -void -fsp_free_seg_inode( -/*===============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - page_t* page; - fsp_header_t* space_header; - - page = page_align(inode); - - space_header = fsp_get_space_header(space, zip_size, mtr); - - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - - if (ULINT_UNDEFINED - == fsp_seg_inode_page_find_free(page, 0, zip_size, mtr)) { - - /* Move the page to another list */ - - flst_remove(space_header + FSP_SEG_INODES_FULL, - page + FSEG_INODE_PAGE_NODE, mtr); - - flst_add_last(space_header + FSP_SEG_INODES_FREE, - page + FSEG_INODE_PAGE_NODE, mtr); - } - - mlog_write_dulint(inode + FSEG_ID, ut_dulint_zero, mtr); - mlog_write_ulint(inode + FSEG_MAGIC_N, 0xfa051ce3, MLOG_4BYTES, mtr); - - if (ULINT_UNDEFINED - == fsp_seg_inode_page_find_used(page, zip_size, mtr)) { - - /* There are no other used headers left on the page: free it */ - - flst_remove(space_header + FSP_SEG_INODES_FREE, - page + FSEG_INODE_PAGE_NODE, mtr); - - fsp_free_page(space, zip_size, page_get_page_no(page), mtr); - } -} - -/**********************************************************************//** -Returns the file segment inode, page x-latched. -@return segment inode, page x-latched; NULL if the inode is free */ -static -fseg_inode_t* -fseg_inode_try_get( -/*===============*/ - fseg_header_t* header, /*!< in: segment header */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fil_addr_t inode_addr; - fseg_inode_t* inode; - - inode_addr.page = mach_read_from_4(header + FSEG_HDR_PAGE_NO); - inode_addr.boffset = mach_read_from_2(header + FSEG_HDR_OFFSET); - ut_ad(space == mach_read_from_4(header + FSEG_HDR_SPACE)); - - inode = fut_get_ptr(space, zip_size, inode_addr, RW_X_LATCH, mtr); - - if (UNIV_UNLIKELY - (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID)))) { - - inode = NULL; - } else { - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - } - - return(inode); -} - -/**********************************************************************//** -Returns the file segment inode, page x-latched. -@return segment inode, page x-latched */ -static -fseg_inode_t* -fseg_inode_get( -/*===========*/ - fseg_header_t* header, /*!< in: segment header */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fseg_inode_t* inode - = fseg_inode_try_get(header, space, zip_size, mtr); - ut_a(inode); - return(inode); -} - -/**********************************************************************//** -Gets the page number from the nth fragment page slot. -@return page number, FIL_NULL if not in use */ -UNIV_INLINE -ulint -fseg_get_nth_frag_page_no( -/*======================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint n, /*!< in: slot index */ - mtr_t* mtr __attribute__((unused))) /*!< in: mtr handle */ -{ - ut_ad(inode && mtr); - ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); - ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - return(mach_read_from_4(inode + FSEG_FRAG_ARR - + n * FSEG_FRAG_SLOT_SIZE)); -} - -/**********************************************************************//** -Sets the page number in the nth fragment page slot. */ -UNIV_INLINE -void -fseg_set_nth_frag_page_no( -/*======================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint n, /*!< in: slot index */ - ulint page_no,/*!< in: page number to set */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ut_ad(inode && mtr); - ut_ad(n < FSEG_FRAG_ARR_N_SLOTS); - ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - - mlog_write_ulint(inode + FSEG_FRAG_ARR + n * FSEG_FRAG_SLOT_SIZE, - page_no, MLOG_4BYTES, mtr); -} - -/**********************************************************************//** -Finds a fragment page slot which is free. -@return slot index; ULINT_UNDEFINED if none found */ -static -ulint -fseg_find_free_frag_page_slot( -/*==========================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint i; - ulint page_no; - - ut_ad(inode && mtr); - - for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { - page_no = fseg_get_nth_frag_page_no(inode, i, mtr); - - if (page_no == FIL_NULL) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Finds a fragment page slot which is used and last in the array. -@return slot index; ULINT_UNDEFINED if none found */ -static -ulint -fseg_find_last_used_frag_page_slot( -/*===============================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint i; - ulint page_no; - - ut_ad(inode && mtr); - - for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { - page_no = fseg_get_nth_frag_page_no( - inode, FSEG_FRAG_ARR_N_SLOTS - i - 1, mtr); - - if (page_no != FIL_NULL) { - - return(FSEG_FRAG_ARR_N_SLOTS - i - 1); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Calculates reserved fragment page slots. -@return number of fragment pages */ -static -ulint -fseg_get_n_frag_pages( -/*==================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint i; - ulint count = 0; - - ut_ad(inode && mtr); - - for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { - if (FIL_NULL != fseg_get_nth_frag_page_no(inode, i, mtr)) { - count++; - } - } - - return(count); -} - -/**********************************************************************//** -Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL -if could not create segment because of lack of space */ -UNIV_INTERN -buf_block_t* -fseg_create_general( -/*================*/ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page where the segment header is placed: if - this is != 0, the page must belong to another segment, - if this is 0, a new page will be allocated and it - will belong to the created segment */ - ulint byte_offset, /*!< in: byte offset of the created segment header - on the page */ - ibool has_done_reservation, /*!< in: TRUE if the caller has already - done the reservation for the pages with - fsp_reserve_free_extents (at least 2 extents: one for - the inode and the other for the segment) then there is - no need to do the check for this individual - operation */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint flags; - ulint zip_size; - fsp_header_t* space_header; - fseg_inode_t* inode; - dulint seg_id; - buf_block_t* block = 0; /* remove warning */ - fseg_header_t* header = 0; /* remove warning */ - rw_lock_t* latch; - ibool success; - ulint n_reserved; - ulint i; - - ut_ad(mtr); - ut_ad(byte_offset + FSEG_HEADER_SIZE - <= UNIV_PAGE_SIZE - FIL_PAGE_DATA_END); - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - if (page != 0) { - block = buf_page_get(space, zip_size, page, RW_X_LATCH, mtr); - header = byte_offset + buf_block_get_frame(block); - } - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - if (rw_lock_get_x_lock_count(latch) == 1) { - /* This thread did not own the latch before this call: free - excess pages from the insert buffer free list */ - - if (space == IBUF_SPACE_ID) { - ibuf_free_excess_pages(); - } - } - - if (!has_done_reservation) { - success = fsp_reserve_free_extents(&n_reserved, space, 2, - FSP_NORMAL, mtr); - if (!success) { - return(NULL); - } - } - - space_header = fsp_get_space_header(space, zip_size, mtr); - - inode = fsp_alloc_seg_inode(space_header, mtr); - - if (inode == NULL) { - - goto funct_exit; - } - - /* Read the next segment id from space header and increment the - value in space header */ - - seg_id = mtr_read_dulint(space_header + FSP_SEG_ID, mtr); - - mlog_write_dulint(space_header + FSP_SEG_ID, ut_dulint_add(seg_id, 1), - mtr); - - mlog_write_dulint(inode + FSEG_ID, seg_id, mtr); - mlog_write_ulint(inode + FSEG_NOT_FULL_N_USED, 0, MLOG_4BYTES, mtr); - - flst_init(inode + FSEG_FREE, mtr); - flst_init(inode + FSEG_NOT_FULL, mtr); - flst_init(inode + FSEG_FULL, mtr); - - mlog_write_ulint(inode + FSEG_MAGIC_N, FSEG_MAGIC_N_VALUE, - MLOG_4BYTES, mtr); - for (i = 0; i < FSEG_FRAG_ARR_N_SLOTS; i++) { - fseg_set_nth_frag_page_no(inode, i, FIL_NULL, mtr); - } - - if (page == 0) { - page = fseg_alloc_free_page_low(space, zip_size, - inode, 0, FSP_UP, mtr); - - if (page == FIL_NULL) { - - fsp_free_seg_inode(space, zip_size, inode, mtr); - - goto funct_exit; - } - - block = buf_page_get(space, zip_size, page, RW_X_LATCH, mtr); - header = byte_offset + buf_block_get_frame(block); - mlog_write_ulint(header - byte_offset + FIL_PAGE_TYPE, - FIL_PAGE_TYPE_SYS, MLOG_2BYTES, mtr); - } - - mlog_write_ulint(header + FSEG_HDR_OFFSET, - page_offset(inode), MLOG_2BYTES, mtr); - - mlog_write_ulint(header + FSEG_HDR_PAGE_NO, - page_get_page_no(page_align(inode)), - MLOG_4BYTES, mtr); - - mlog_write_ulint(header + FSEG_HDR_SPACE, space, MLOG_4BYTES, mtr); - -funct_exit: - if (!has_done_reservation) { - - fil_space_release_free_extents(space, n_reserved); - } - - return(block); -} - -/**********************************************************************//** -Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL -if could not create segment because of lack of space */ -UNIV_INTERN -buf_block_t* -fseg_create( -/*========*/ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page where the segment header is placed: if - this is != 0, the page must belong to another segment, - if this is 0, a new page will be allocated and it - will belong to the created segment */ - ulint byte_offset, /*!< in: byte offset of the created segment header - on the page */ - mtr_t* mtr) /*!< in: mtr */ -{ - return(fseg_create_general(space, page, byte_offset, FALSE, mtr)); -} - -/**********************************************************************//** -Calculates the number of pages reserved by a segment, and how many pages are -currently used. -@return number of reserved pages */ -static -ulint -fseg_n_reserved_pages_low( -/*======================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint* used, /*!< out: number of pages used (not - more than reserved) */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint ret; - - ut_ad(inode && used && mtr); - ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); - - *used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, MLOG_4BYTES, mtr) - + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FULL, mtr) - + fseg_get_n_frag_pages(inode, mtr); - - ret = fseg_get_n_frag_pages(inode, mtr) - + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FREE, mtr) - + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_NOT_FULL, mtr) - + FSP_EXTENT_SIZE * flst_get_len(inode + FSEG_FULL, mtr); - - return(ret); -} - -/**********************************************************************//** -Calculates the number of pages reserved by a segment, and how many pages are -currently used. -@return number of reserved pages */ -UNIV_INTERN -ulint -fseg_n_reserved_pages( -/*==================*/ - fseg_header_t* header, /*!< in: segment header */ - ulint* used, /*!< out: number of pages used (<= reserved) */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint ret; - fseg_inode_t* inode; - ulint space; - ulint flags; - ulint zip_size; - rw_lock_t* latch; - - space = page_get_space_id(page_align(header)); - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - inode = fseg_inode_get(header, space, zip_size, mtr); - - ret = fseg_n_reserved_pages_low(inode, used, mtr); - - return(ret); -} - -/*********************************************************************//** -Tries to fill the free list of a segment with consecutive free extents. -This happens if the segment is big enough to allow extents in the free list, -the free list is empty, and the extents can be allocated consecutively from -the hint onward. */ -static -void -fseg_fill_free_list( -/*================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint hint, /*!< in: hint which extent would be good as - the first extent */ - mtr_t* mtr) /*!< in: mtr */ -{ - xdes_t* descr; - ulint i; - dulint seg_id; - ulint reserved; - ulint used; - - ut_ad(inode && mtr); - ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); - - reserved = fseg_n_reserved_pages_low(inode, &used, mtr); - - if (reserved < FSEG_FREE_LIST_LIMIT * FSP_EXTENT_SIZE) { - - /* The segment is too small to allow extents in free list */ - - return; - } - - if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { - /* Free list is not empty */ - - return; - } - - for (i = 0; i < FSEG_FREE_LIST_MAX_LEN; i++) { - descr = xdes_get_descriptor(space, zip_size, hint, mtr); - - if ((descr == NULL) - || (XDES_FREE != xdes_get_state(descr, mtr))) { - - /* We cannot allocate the desired extent: stop */ - - return; - } - - descr = fsp_alloc_free_extent(space, zip_size, hint, mtr); - - xdes_set_state(descr, XDES_FSEG, mtr); - - seg_id = mtr_read_dulint(inode + FSEG_ID, mtr); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - mlog_write_dulint(descr + XDES_ID, seg_id, mtr); - - flst_add_last(inode + FSEG_FREE, descr + XDES_FLST_NODE, mtr); - hint += FSP_EXTENT_SIZE; - } -} - -/*********************************************************************//** -Allocates a free extent for the segment: looks first in the free list of the -segment, then tries to allocate from the space free list. NOTE that the extent -returned still resides in the segment free list, it is not yet taken off it! -@return allocated extent, still placed in the segment free list, NULL -if could not be allocated */ -static -xdes_t* -fseg_alloc_free_extent( -/*===================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr */ -{ - xdes_t* descr; - dulint seg_id; - fil_addr_t first; - - ut_ad(!((page_offset(inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - - if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { - /* Segment free list is not empty, allocate from it */ - - first = flst_get_first(inode + FSEG_FREE, mtr); - - descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); - } else { - /* Segment free list was empty, allocate from space */ - descr = fsp_alloc_free_extent(space, zip_size, 0, mtr); - - if (descr == NULL) { - - return(NULL); - } - - seg_id = mtr_read_dulint(inode + FSEG_ID, mtr); - - xdes_set_state(descr, XDES_FSEG, mtr); - mlog_write_dulint(descr + XDES_ID, seg_id, mtr); - flst_add_last(inode + FSEG_FREE, descr + XDES_FLST_NODE, mtr); - - /* Try to fill the segment free list */ - fseg_fill_free_list(inode, space, zip_size, - xdes_get_offset(descr) + FSP_EXTENT_SIZE, - mtr); - } - - return(descr); -} - -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize file space -fragmentation. -@return the allocated page number, FIL_NULL if no page could be allocated */ -static -ulint -fseg_alloc_free_page_low( -/*=====================*/ - ulint space, /*!< in: space */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fseg_inode_t* seg_inode, /*!< in: segment inode */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction, /*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fsp_header_t* space_header; - ulint space_size; - dulint seg_id; - ulint used; - ulint reserved; - xdes_t* descr; /*!< extent of the hinted page */ - ulint ret_page; /*!< the allocated page offset, FIL_NULL - if could not be allocated */ - xdes_t* ret_descr; /*!< the extent of the allocated page */ - ibool frag_page_allocated = FALSE; - ibool success; - ulint n; - - ut_ad(mtr); - ut_ad((direction >= FSP_UP) && (direction <= FSP_NO_DIR)); - ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); - seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr); - - ut_ad(!ut_dulint_is_zero(seg_id)); - - reserved = fseg_n_reserved_pages_low(seg_inode, &used, mtr); - - space_header = fsp_get_space_header(space, zip_size, mtr); - - descr = xdes_get_descriptor_with_space_hdr(space_header, space, - hint, mtr); - if (descr == NULL) { - /* Hint outside space or too high above free limit: reset - hint */ - hint = 0; - descr = xdes_get_descriptor(space, zip_size, hint, mtr); - } - - /* In the big if-else below we look for ret_page and ret_descr */ - /*-------------------------------------------------------------*/ - if ((xdes_get_state(descr, mtr) == XDES_FSEG) - && (0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, - mtr), seg_id)) - && (xdes_get_bit(descr, XDES_FREE_BIT, - hint % FSP_EXTENT_SIZE, mtr) == TRUE)) { - - /* 1. We can take the hinted page - =================================*/ - ret_descr = descr; - ret_page = hint; - /*-----------------------------------------------------------*/ - } else if ((xdes_get_state(descr, mtr) == XDES_FREE) - && ((reserved - used) < reserved / FSEG_FILLFACTOR) - && (used >= FSEG_FRAG_LIMIT)) { - - /* 2. We allocate the free extent from space and can take - ========================================================= - the hinted page - ===============*/ - ret_descr = fsp_alloc_free_extent(space, zip_size, hint, mtr); - - ut_a(ret_descr == descr); - - xdes_set_state(ret_descr, XDES_FSEG, mtr); - mlog_write_dulint(ret_descr + XDES_ID, seg_id, mtr); - flst_add_last(seg_inode + FSEG_FREE, - ret_descr + XDES_FLST_NODE, mtr); - - /* Try to fill the segment free list */ - fseg_fill_free_list(seg_inode, space, zip_size, - hint + FSP_EXTENT_SIZE, mtr); - ret_page = hint; - /*-----------------------------------------------------------*/ - } else if ((direction != FSP_NO_DIR) - && ((reserved - used) < reserved / FSEG_FILLFACTOR) - && (used >= FSEG_FRAG_LIMIT) - && (!!(ret_descr - = fseg_alloc_free_extent(seg_inode, - space, zip_size, mtr)))) { - - /* 3. We take any free extent (which was already assigned above - =============================================================== - in the if-condition to ret_descr) and take the lowest or - ======================================================== - highest page in it, depending on the direction - ==============================================*/ - ret_page = xdes_get_offset(ret_descr); - - if (direction == FSP_DOWN) { - ret_page += FSP_EXTENT_SIZE - 1; - } - /*-----------------------------------------------------------*/ - } else if ((xdes_get_state(descr, mtr) == XDES_FSEG) - && (0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, - mtr), seg_id)) - && (!xdes_is_full(descr, mtr))) { - - /* 4. We can take the page from the same extent as the - ====================================================== - hinted page (and the extent already belongs to the - ================================================== - segment) - ========*/ - ret_descr = descr; - ret_page = xdes_get_offset(ret_descr) - + xdes_find_bit(ret_descr, XDES_FREE_BIT, TRUE, - hint % FSP_EXTENT_SIZE, mtr); - /*-----------------------------------------------------------*/ - } else if (reserved - used > 0) { - /* 5. We take any unused page from the segment - ==============================================*/ - fil_addr_t first; - - if (flst_get_len(seg_inode + FSEG_NOT_FULL, mtr) > 0) { - first = flst_get_first(seg_inode + FSEG_NOT_FULL, - mtr); - } else if (flst_get_len(seg_inode + FSEG_FREE, mtr) > 0) { - first = flst_get_first(seg_inode + FSEG_FREE, mtr); - } else { - ut_error; - return(FIL_NULL); - } - - ret_descr = xdes_lst_get_descriptor(space, zip_size, - first, mtr); - ret_page = xdes_get_offset(ret_descr) - + xdes_find_bit(ret_descr, XDES_FREE_BIT, TRUE, - 0, mtr); - /*-----------------------------------------------------------*/ - } else if (used < FSEG_FRAG_LIMIT) { - /* 6. We allocate an individual page from the space - ===================================================*/ - ret_page = fsp_alloc_free_page(space, zip_size, hint, mtr); - ret_descr = NULL; - - frag_page_allocated = TRUE; - - if (ret_page != FIL_NULL) { - /* Put the page in the fragment page array of the - segment */ - n = fseg_find_free_frag_page_slot(seg_inode, mtr); - ut_a(n != FIL_NULL); - - fseg_set_nth_frag_page_no(seg_inode, n, ret_page, - mtr); - } - /*-----------------------------------------------------------*/ - } else { - /* 7. We allocate a new extent and take its first page - ======================================================*/ - ret_descr = fseg_alloc_free_extent(seg_inode, - space, zip_size, mtr); - - if (ret_descr == NULL) { - ret_page = FIL_NULL; - } else { - ret_page = xdes_get_offset(ret_descr); - } - } - - if (ret_page == FIL_NULL) { - /* Page could not be allocated */ - - return(FIL_NULL); - } - - if (space != 0) { - space_size = fil_space_get_size(space); - - if (space_size <= ret_page) { - /* It must be that we are extending a single-table - tablespace whose size is still < 64 pages */ - - if (ret_page >= FSP_EXTENT_SIZE) { - fprintf(stderr, - "InnoDB: Error (2): trying to extend" - " a single-table tablespace %lu\n" - "InnoDB: by single page(s) though" - " the space size %lu. Page no %lu.\n", - (ulong) space, (ulong) space_size, - (ulong) ret_page); - return(FIL_NULL); - } - - success = fsp_try_extend_data_file_with_pages( - space, ret_page, space_header, mtr); - if (!success) { - /* No disk space left */ - return(FIL_NULL); - } - } - } - - if (!frag_page_allocated) { - /* Initialize the allocated page to buffer pool, so that it - can be obtained immediately with buf_page_get without need - for a disk read */ - buf_block_t* block; - ulint zip_size = dict_table_flags_to_zip_size( - mach_read_from_4(FSP_SPACE_FLAGS + space_header)); - - block = buf_page_create(space, ret_page, zip_size, mtr); - buf_block_dbg_add_level(block, SYNC_FSP_PAGE); - - if (UNIV_UNLIKELY(block != buf_page_get(space, zip_size, - ret_page, RW_X_LATCH, - mtr))) { - ut_error; - } - - /* The prior contents of the page should be ignored */ - fsp_init_file_page(block, mtr); - - /* At this point we know the extent and the page offset. - The extent is still in the appropriate list (FSEG_NOT_FULL - or FSEG_FREE), and the page is not yet marked as used. */ - - ut_ad(xdes_get_descriptor(space, zip_size, ret_page, mtr) - == ret_descr); - ut_ad(xdes_get_bit(ret_descr, XDES_FREE_BIT, - ret_page % FSP_EXTENT_SIZE, mtr) == TRUE); - - fseg_mark_page_used(seg_inode, space, zip_size, ret_page, mtr); - } - - buf_reset_check_index_page_at_flush(space, ret_page); - - return(ret_page); -} - -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize file space -fragmentation. -@return allocated page offset, FIL_NULL if no page could be allocated */ -UNIV_INTERN -ulint -fseg_alloc_free_page_general( -/*=========================*/ - fseg_header_t* seg_header,/*!< in: segment header */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction,/*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - ibool has_done_reservation, /*!< in: TRUE if the caller has - already done the reservation for the page - with fsp_reserve_free_extents, then there - is no need to do the check for this individual - page */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - fseg_inode_t* inode; - ulint space; - ulint flags; - ulint zip_size; - rw_lock_t* latch; - ibool success; - ulint page_no; - ulint n_reserved; - - space = page_get_space_id(page_align(seg_header)); - - latch = fil_space_get_latch(space, &flags); - - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - if (rw_lock_get_x_lock_count(latch) == 1) { - /* This thread did not own the latch before this call: free - excess pages from the insert buffer free list */ - - if (space == IBUF_SPACE_ID) { - ibuf_free_excess_pages(); - } - } - - inode = fseg_inode_get(seg_header, space, zip_size, mtr); - - if (!has_done_reservation) { - success = fsp_reserve_free_extents(&n_reserved, space, 2, - FSP_NORMAL, mtr); - if (!success) { - return(FIL_NULL); - } - } - - page_no = fseg_alloc_free_page_low(space, zip_size, - inode, hint, direction, mtr); - if (!has_done_reservation) { - fil_space_release_free_extents(space, n_reserved); - } - - return(page_no); -} - -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize file space -fragmentation. -@return allocated page offset, FIL_NULL if no page could be allocated */ -UNIV_INTERN -ulint -fseg_alloc_free_page( -/*=================*/ - fseg_header_t* seg_header,/*!< in: segment header */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction,/*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - return(fseg_alloc_free_page_general(seg_header, hint, direction, - FALSE, mtr)); -} - -/**********************************************************************//** -Checks that we have at least 2 frag pages free in the first extent of a -single-table tablespace, and they are also physically initialized to the data -file. That is we have already extended the data file so that those pages are -inside the data file. If not, this function extends the tablespace with -pages. -@return TRUE if there were >= 3 free pages, or we were able to extend */ -static -ibool -fsp_reserve_free_pages( -/*===================*/ - ulint space, /*!< in: space id, must be != 0 */ - fsp_header_t* space_header, /*!< in: header of that space, - x-latched */ - ulint size, /*!< in: size of the tablespace in pages, - must be < FSP_EXTENT_SIZE / 2 */ - mtr_t* mtr) /*!< in: mtr */ -{ - xdes_t* descr; - ulint n_used; - - ut_a(space != 0); - ut_a(size < FSP_EXTENT_SIZE / 2); - - descr = xdes_get_descriptor_with_space_hdr(space_header, space, 0, - mtr); - n_used = xdes_get_n_used(descr, mtr); - - ut_a(n_used <= size); - - if (size >= n_used + 2) { - - return(TRUE); - } - - return(fsp_try_extend_data_file_with_pages(space, n_used + 1, - space_header, mtr)); -} - -/**********************************************************************//** -Reserves free pages from a tablespace. All mini-transactions which may -use several pages from the tablespace should call this function beforehand -and reserve enough free extents so that they certainly will be able -to do their operation, like a B-tree page split, fully. Reservations -must be released with function fil_space_release_free_extents! - -The alloc_type below has the following meaning: FSP_NORMAL means an -operation which will probably result in more space usage, like an -insert in a B-tree; FSP_UNDO means allocation to undo logs: if we are -deleting rows, then this allocation will in the long run result in -less space usage (after a purge); FSP_CLEANING means allocation done -in a physical record delete (like in a purge) or other cleaning operation -which will result in less space usage in the long run. We prefer the latter -two types of allocation: when space is scarce, FSP_NORMAL allocations -will not succeed, but the latter two allocations will succeed, if possible. -The purpose is to avoid dead end where the database is full but the -user cannot free any space because these freeing operations temporarily -reserve some space. - -Single-table tablespaces whose size is < 32 pages are a special case. In this -function we would liberally reserve several 64 page extents for every page -split or merge in a B-tree. But we do not want to waste disk space if the table -only occupies < 32 pages. That is why we apply different rules in that special -case, just ensuring that there are 3 free pages available. -@return TRUE if we were able to make the reservation */ -UNIV_INTERN -ibool -fsp_reserve_free_extents( -/*=====================*/ - ulint* n_reserved,/*!< out: number of extents actually reserved; if we - return TRUE and the tablespace size is < 64 pages, - then this can be 0, otherwise it is n_ext */ - ulint space, /*!< in: space id */ - ulint n_ext, /*!< in: number of extents to reserve */ - ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ - mtr_t* mtr) /*!< in: mtr */ -{ - fsp_header_t* space_header; - rw_lock_t* latch; - ulint n_free_list_ext; - ulint free_limit; - ulint size; - ulint flags; - ulint zip_size; - ulint n_free; - ulint n_free_up; - ulint reserve; - ibool success; - ulint n_pages_added; - - ut_ad(mtr); - *n_reserved = n_ext; - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - space_header = fsp_get_space_header(space, zip_size, mtr); -try_again: - size = mtr_read_ulint(space_header + FSP_SIZE, MLOG_4BYTES, mtr); - - if (size < FSP_EXTENT_SIZE / 2) { - /* Use different rules for small single-table tablespaces */ - *n_reserved = 0; - return(fsp_reserve_free_pages(space, space_header, size, mtr)); - } - - n_free_list_ext = flst_get_len(space_header + FSP_FREE, mtr); - - free_limit = mtr_read_ulint(space_header + FSP_FREE_LIMIT, - MLOG_4BYTES, mtr); - - /* Below we play safe when counting free extents above the free limit: - some of them will contain extent descriptor pages, and therefore - will not be free extents */ - - n_free_up = (size - free_limit) / FSP_EXTENT_SIZE; - - if (n_free_up > 0) { - n_free_up--; - if (!zip_size) { - n_free_up -= n_free_up - / (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE); - } else { - n_free_up -= n_free_up - / (zip_size / FSP_EXTENT_SIZE); - } - } - - n_free = n_free_list_ext + n_free_up; - - if (alloc_type == FSP_NORMAL) { - /* We reserve 1 extent + 0.5 % of the space size to undo logs - and 1 extent + 0.5 % to cleaning operations; NOTE: this source - code is duplicated in the function below! */ - - reserve = 2 + ((size / FSP_EXTENT_SIZE) * 2) / 200; - - if (n_free <= reserve + n_ext) { - - goto try_to_extend; - } - } else if (alloc_type == FSP_UNDO) { - /* We reserve 0.5 % of the space size to cleaning operations */ - - reserve = 1 + ((size / FSP_EXTENT_SIZE) * 1) / 200; - - if (n_free <= reserve + n_ext) { - - goto try_to_extend; - } - } else { - ut_a(alloc_type == FSP_CLEANING); - } - - success = fil_space_reserve_free_extents(space, n_free, n_ext); - - if (success) { - return(TRUE); - } -try_to_extend: - success = fsp_try_extend_data_file(&n_pages_added, space, - space_header, mtr); - if (success && n_pages_added > 0) { - - goto try_again; - } - - return(FALSE); -} - -/**********************************************************************//** -This function should be used to get information on how much we still -will be able to insert new data to the database without running out the -tablespace. Only free extents are taken into account and we also subtract -the safety margin required by the above function fsp_reserve_free_extents. -@return available space in kB */ -UNIV_INTERN -ullint -fsp_get_available_space_in_free_extents( -/*====================================*/ - ulint space) /*!< in: space id */ -{ - fsp_header_t* space_header; - ulint n_free_list_ext; - ulint free_limit; - ulint size; - ulint flags; - ulint zip_size; - ulint n_free; - ulint n_free_up; - ulint reserve; - rw_lock_t* latch; - mtr_t mtr; - - ut_ad(!mutex_own(&kernel_mutex)); - - mtr_start(&mtr); - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - mtr_x_lock(latch, &mtr); - - space_header = fsp_get_space_header(space, zip_size, &mtr); - - size = mtr_read_ulint(space_header + FSP_SIZE, MLOG_4BYTES, &mtr); - - n_free_list_ext = flst_get_len(space_header + FSP_FREE, &mtr); - - free_limit = mtr_read_ulint(space_header + FSP_FREE_LIMIT, - MLOG_4BYTES, &mtr); - mtr_commit(&mtr); - - if (size < FSP_EXTENT_SIZE) { - ut_a(space != 0); /* This must be a single-table - tablespace */ - - return(0); /* TODO: count free frag pages and - return a value based on that */ - } - - /* Below we play safe when counting free extents above the free limit: - some of them will contain extent descriptor pages, and therefore - will not be free extents */ - - n_free_up = (size - free_limit) / FSP_EXTENT_SIZE; - - if (n_free_up > 0) { - n_free_up--; - if (!zip_size) { - n_free_up -= n_free_up - / (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE); - } else { - n_free_up -= n_free_up - / (zip_size / FSP_EXTENT_SIZE); - } - } - - n_free = n_free_list_ext + n_free_up; - - /* We reserve 1 extent + 0.5 % of the space size to undo logs - and 1 extent + 0.5 % to cleaning operations; NOTE: this source - code is duplicated in the function above! */ - - reserve = 2 + ((size / FSP_EXTENT_SIZE) * 2) / 200; - - if (reserve > n_free) { - return(0); - } - - if (!zip_size) { - return((ullint) (n_free - reserve) - * FSP_EXTENT_SIZE - * (UNIV_PAGE_SIZE / 1024)); - } else { - return((ullint) (n_free - reserve) - * FSP_EXTENT_SIZE - * (zip_size / 1024)); - } -} - -/********************************************************************//** -Marks a page used. The page must reside within the extents of the given -segment. */ -static -void -fseg_mark_page_used( -/*================*/ - fseg_inode_t* seg_inode,/*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset */ - mtr_t* mtr) /*!< in: mtr */ -{ - xdes_t* descr; - ulint not_full_n_used; - - ut_ad(seg_inode && mtr); - ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); - ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - - descr = xdes_get_descriptor(space, zip_size, page, mtr); - - ut_ad(mtr_read_ulint(seg_inode + FSEG_ID, MLOG_4BYTES, mtr) - == mtr_read_ulint(descr + XDES_ID, MLOG_4BYTES, mtr)); - - if (xdes_is_free(descr, mtr)) { - /* We move the extent from the free list to the - NOT_FULL list */ - flst_remove(seg_inode + FSEG_FREE, descr + XDES_FLST_NODE, - mtr); - flst_add_last(seg_inode + FSEG_NOT_FULL, - descr + XDES_FLST_NODE, mtr); - } - - ut_ad(xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr) - == TRUE); - /* We mark the page as used */ - xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, FALSE, mtr); - - not_full_n_used = mtr_read_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - MLOG_4BYTES, mtr); - not_full_n_used++; - mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, not_full_n_used, - MLOG_4BYTES, mtr); - if (xdes_is_full(descr, mtr)) { - /* We move the extent from the NOT_FULL list to the - FULL list */ - flst_remove(seg_inode + FSEG_NOT_FULL, - descr + XDES_FLST_NODE, mtr); - flst_add_last(seg_inode + FSEG_FULL, - descr + XDES_FLST_NODE, mtr); - - mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - not_full_n_used - FSP_EXTENT_SIZE, - MLOG_4BYTES, mtr); - } -} - -/**********************************************************************//** -Frees a single page of a segment. */ -static -void -fseg_free_page_low( -/*===============*/ - fseg_inode_t* seg_inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: page offset */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - xdes_t* descr; - ulint not_full_n_used; - ulint state; - dulint descr_id; - dulint seg_id; - ulint i; - - ut_ad(seg_inode && mtr); - ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - ut_ad(!((page_offset(seg_inode) - FSEG_ARR_OFFSET) % FSEG_INODE_SIZE)); - - /* Drop search system page hash index if the page is found in - the pool and is hashed */ - - btr_search_drop_page_hash_when_freed(space, zip_size, page); - - descr = xdes_get_descriptor(space, zip_size, page, mtr); - - ut_a(descr); - if (xdes_get_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, mtr)) { - fputs("InnoDB: Dump of the tablespace extent descriptor: ", - stderr); - ut_print_buf(stderr, descr, 40); - - fprintf(stderr, "\n" - "InnoDB: Serious error! InnoDB is trying to" - " free page %lu\n" - "InnoDB: though it is already marked as free" - " in the tablespace!\n" - "InnoDB: The tablespace free space info is corrupt.\n" - "InnoDB: You may need to dump your" - " InnoDB tables and recreate the whole\n" - "InnoDB: database!\n", (ulong) page); -crash: - fputs("InnoDB: Please refer to\n" - "InnoDB: " REFMAN "forcing-recovery.html\n" - "InnoDB: about forcing recovery.\n", stderr); - ut_error; - } - - state = xdes_get_state(descr, mtr); - - if (state != XDES_FSEG) { - /* The page is in the fragment pages of the segment */ - - for (i = 0;; i++) { - if (fseg_get_nth_frag_page_no(seg_inode, i, mtr) - == page) { - - fseg_set_nth_frag_page_no(seg_inode, i, - FIL_NULL, mtr); - break; - } - } - - fsp_free_page(space, zip_size, page, mtr); - - return; - } - - /* If we get here, the page is in some extent of the segment */ - - descr_id = mtr_read_dulint(descr + XDES_ID, mtr); - seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr); -#if 0 - fprintf(stderr, - "InnoDB: InnoDB is freeing space %lu page %lu,\n" - "InnoDB: which belongs to descr seg %lu %lu\n" - "InnoDB: segment %lu %lu.\n", - (ulong) space, (ulong) page, - (ulong) ut_dulint_get_high(descr_id), - (ulong) ut_dulint_get_low(descr_id), - (ulong) ut_dulint_get_high(seg_id), - (ulong) ut_dulint_get_low(seg_id)); -#endif /* 0 */ - if (0 != ut_dulint_cmp(descr_id, seg_id)) { - fputs("InnoDB: Dump of the tablespace extent descriptor: ", - stderr); - ut_print_buf(stderr, descr, 40); - fputs("\nInnoDB: Dump of the segment inode: ", stderr); - ut_print_buf(stderr, seg_inode, 40); - putc('\n', stderr); - - fprintf(stderr, - "InnoDB: Serious error: InnoDB is trying to" - " free space %lu page %lu,\n" - "InnoDB: which does not belong to" - " segment %lu %lu but belongs\n" - "InnoDB: to segment %lu %lu.\n", - (ulong) space, (ulong) page, - (ulong) ut_dulint_get_high(descr_id), - (ulong) ut_dulint_get_low(descr_id), - (ulong) ut_dulint_get_high(seg_id), - (ulong) ut_dulint_get_low(seg_id)); - goto crash; - } - - not_full_n_used = mtr_read_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - MLOG_4BYTES, mtr); - if (xdes_is_full(descr, mtr)) { - /* The fragment is full: move it to another list */ - flst_remove(seg_inode + FSEG_FULL, - descr + XDES_FLST_NODE, mtr); - flst_add_last(seg_inode + FSEG_NOT_FULL, - descr + XDES_FLST_NODE, mtr); - mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - not_full_n_used + FSP_EXTENT_SIZE - 1, - MLOG_4BYTES, mtr); - } else { - ut_a(not_full_n_used > 0); - mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - not_full_n_used - 1, MLOG_4BYTES, mtr); - } - - xdes_set_bit(descr, XDES_FREE_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); - xdes_set_bit(descr, XDES_CLEAN_BIT, page % FSP_EXTENT_SIZE, TRUE, mtr); - - if (xdes_is_free(descr, mtr)) { - /* The extent has become free: free it to space */ - flst_remove(seg_inode + FSEG_NOT_FULL, - descr + XDES_FLST_NODE, mtr); - fsp_free_extent(space, zip_size, page, mtr); - } -} - -/**********************************************************************//** -Frees a single page of a segment. */ -UNIV_INTERN -void -fseg_free_page( -/*===========*/ - fseg_header_t* seg_header, /*!< in: segment header */ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page offset */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint flags; - ulint zip_size; - fseg_inode_t* seg_inode; - rw_lock_t* latch; - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - seg_inode = fseg_inode_get(seg_header, space, zip_size, mtr); - - fseg_free_page_low(seg_inode, space, zip_size, page, mtr); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - buf_page_set_file_page_was_freed(space, page); -#endif -} - -/**********************************************************************//** -Frees an extent of a segment to the space free list. */ -static -void -fseg_free_extent( -/*=============*/ - fseg_inode_t* seg_inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page, /*!< in: a page in the extent */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - ulint first_page_in_extent; - xdes_t* descr; - ulint not_full_n_used; - ulint descr_n_used; - ulint i; - - ut_ad(seg_inode && mtr); - - descr = xdes_get_descriptor(space, zip_size, page, mtr); - - ut_a(xdes_get_state(descr, mtr) == XDES_FSEG); - ut_a(0 == ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, mtr), - mtr_read_dulint(seg_inode + FSEG_ID, mtr))); - ut_ad(mach_read_from_4(seg_inode + FSEG_MAGIC_N) - == FSEG_MAGIC_N_VALUE); - - first_page_in_extent = page - (page % FSP_EXTENT_SIZE); - - for (i = 0; i < FSP_EXTENT_SIZE; i++) { - if (FALSE == xdes_get_bit(descr, XDES_FREE_BIT, i, mtr)) { - - /* Drop search system page hash index if the page is - found in the pool and is hashed */ - - btr_search_drop_page_hash_when_freed( - space, zip_size, first_page_in_extent + i); - } - } - - if (xdes_is_full(descr, mtr)) { - flst_remove(seg_inode + FSEG_FULL, - descr + XDES_FLST_NODE, mtr); - } else if (xdes_is_free(descr, mtr)) { - flst_remove(seg_inode + FSEG_FREE, - descr + XDES_FLST_NODE, mtr); - } else { - flst_remove(seg_inode + FSEG_NOT_FULL, - descr + XDES_FLST_NODE, mtr); - - not_full_n_used = mtr_read_ulint( - seg_inode + FSEG_NOT_FULL_N_USED, MLOG_4BYTES, mtr); - - descr_n_used = xdes_get_n_used(descr, mtr); - ut_a(not_full_n_used >= descr_n_used); - mlog_write_ulint(seg_inode + FSEG_NOT_FULL_N_USED, - not_full_n_used - descr_n_used, - MLOG_4BYTES, mtr); - } - - fsp_free_extent(space, zip_size, page, mtr); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - for (i = 0; i < FSP_EXTENT_SIZE; i++) { - - buf_page_set_file_page_was_freed(space, - first_page_in_extent + i); - } -#endif -} - -/**********************************************************************//** -Frees part of a segment. This function can be used to free a segment by -repeatedly calling this function in different mini-transactions. Doing -the freeing in a single mini-transaction might result in too big a -mini-transaction. -@return TRUE if freeing completed */ -UNIV_INTERN -ibool -fseg_free_step( -/*===========*/ - fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header - resides on the first page of the frag list - of the segment, this pointer becomes obsolete - after the last freeing step */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint n; - ulint page; - xdes_t* descr; - fseg_inode_t* inode; - ulint space; - ulint flags; - ulint zip_size; - ulint header_page; - rw_lock_t* latch; - - space = page_get_space_id(page_align(header)); - header_page = page_get_page_no(page_align(header)); - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - descr = xdes_get_descriptor(space, zip_size, header_page, mtr); - - /* Check that the header resides on a page which has not been - freed yet */ - - ut_a(descr); - ut_a(xdes_get_bit(descr, XDES_FREE_BIT, - header_page % FSP_EXTENT_SIZE, mtr) == FALSE); - inode = fseg_inode_try_get(header, space, zip_size, mtr); - - if (UNIV_UNLIKELY(inode == NULL)) { - fprintf(stderr, "double free of inode from %u:%u\n", - (unsigned) space, (unsigned) header_page); - return(TRUE); - } - - descr = fseg_get_first_extent(inode, space, zip_size, mtr); - - if (descr != NULL) { - /* Free the extent held by the segment */ - page = xdes_get_offset(descr); - - fseg_free_extent(inode, space, zip_size, page, mtr); - - return(FALSE); - } - - /* Free a frag page */ - n = fseg_find_last_used_frag_page_slot(inode, mtr); - - if (n == ULINT_UNDEFINED) { - /* Freeing completed: free the segment inode */ - fsp_free_seg_inode(space, zip_size, inode, mtr); - - return(TRUE); - } - - fseg_free_page_low(inode, space, zip_size, - fseg_get_nth_frag_page_no(inode, n, mtr), mtr); - - n = fseg_find_last_used_frag_page_slot(inode, mtr); - - if (n == ULINT_UNDEFINED) { - /* Freeing completed: free the segment inode */ - fsp_free_seg_inode(space, zip_size, inode, mtr); - - return(TRUE); - } - - return(FALSE); -} - -/**********************************************************************//** -Frees part of a segment. Differs from fseg_free_step because this function -leaves the header page unfreed. -@return TRUE if freeing completed, except the header page */ -UNIV_INTERN -ibool -fseg_free_step_not_header( -/*======================*/ - fseg_header_t* header, /*!< in: segment header which must reside on - the first fragment page of the segment */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint n; - ulint page; - xdes_t* descr; - fseg_inode_t* inode; - ulint space; - ulint flags; - ulint zip_size; - ulint page_no; - rw_lock_t* latch; - - space = page_get_space_id(page_align(header)); - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - ut_ad(!mutex_own(&kernel_mutex) - || mtr_memo_contains(mtr, latch, MTR_MEMO_X_LOCK)); - - mtr_x_lock(latch, mtr); - - inode = fseg_inode_get(header, space, zip_size, mtr); - - descr = fseg_get_first_extent(inode, space, zip_size, mtr); - - if (descr != NULL) { - /* Free the extent held by the segment */ - page = xdes_get_offset(descr); - - fseg_free_extent(inode, space, zip_size, page, mtr); - - return(FALSE); - } - - /* Free a frag page */ - - n = fseg_find_last_used_frag_page_slot(inode, mtr); - - if (n == ULINT_UNDEFINED) { - ut_error; - } - - page_no = fseg_get_nth_frag_page_no(inode, n, mtr); - - if (page_no == page_get_page_no(page_align(header))) { - - return(TRUE); - } - - fseg_free_page_low(inode, space, zip_size, page_no, mtr); - - return(FALSE); -} - -/**********************************************************************//** -Returns the first extent descriptor for a segment. We think of the extent -lists of the segment catenated in the order FSEG_FULL -> FSEG_NOT_FULL --> FSEG_FREE. -@return the first extent descriptor, or NULL if none */ -static -xdes_t* -fseg_get_first_extent( -/*==================*/ - fseg_inode_t* inode, /*!< in: segment inode */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - mtr_t* mtr) /*!< in: mtr */ -{ - fil_addr_t first; - xdes_t* descr; - - ut_ad(inode && mtr); - - ut_ad(space == page_get_space_id(page_align(inode))); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - - first = fil_addr_null; - - if (flst_get_len(inode + FSEG_FULL, mtr) > 0) { - - first = flst_get_first(inode + FSEG_FULL, mtr); - - } else if (flst_get_len(inode + FSEG_NOT_FULL, mtr) > 0) { - - first = flst_get_first(inode + FSEG_NOT_FULL, mtr); - - } else if (flst_get_len(inode + FSEG_FREE, mtr) > 0) { - - first = flst_get_first(inode + FSEG_FREE, mtr); - } - - if (first.page == FIL_NULL) { - - return(NULL); - } - descr = xdes_lst_get_descriptor(space, zip_size, first, mtr); - - return(descr); -} - -/*******************************************************************//** -Validates a segment. -@return TRUE if ok */ -static -ibool -fseg_validate_low( -/*==============*/ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr2) /*!< in: mtr */ -{ - ulint space; - dulint seg_id; - mtr_t mtr; - xdes_t* descr; - fil_addr_t node_addr; - ulint n_used = 0; - ulint n_used2 = 0; - - ut_ad(mtr_memo_contains_page(mtr2, inode, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); - - space = page_get_space_id(page_align(inode)); - - seg_id = mtr_read_dulint(inode + FSEG_ID, mtr2); - n_used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, - MLOG_4BYTES, mtr2); - flst_validate(inode + FSEG_FREE, mtr2); - flst_validate(inode + FSEG_NOT_FULL, mtr2); - flst_validate(inode + FSEG_FULL, mtr2); - - /* Validate FSEG_FREE list */ - node_addr = flst_get_first(inode + FSEG_FREE, mtr2); - - while (!fil_addr_is_null(node_addr)) { - ulint flags; - ulint zip_size; - - mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) == 0); - ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); - ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), - seg_id)); - - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - mtr_commit(&mtr); - } - - /* Validate FSEG_NOT_FULL list */ - - node_addr = flst_get_first(inode + FSEG_NOT_FULL, mtr2); - - while (!fil_addr_is_null(node_addr)) { - ulint flags; - ulint zip_size; - - mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) > 0); - ut_a(xdes_get_n_used(descr, &mtr) < FSP_EXTENT_SIZE); - ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); - ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), - seg_id)); - - n_used2 += xdes_get_n_used(descr, &mtr); - - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - mtr_commit(&mtr); - } - - /* Validate FSEG_FULL list */ - - node_addr = flst_get_first(inode + FSEG_FULL, mtr2); - - while (!fil_addr_is_null(node_addr)) { - ulint flags; - ulint zip_size; - - mtr_start(&mtr); - mtr_x_lock(fil_space_get_latch(space, &flags), &mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) == FSP_EXTENT_SIZE); - ut_a(xdes_get_state(descr, &mtr) == XDES_FSEG); - ut_a(!ut_dulint_cmp(mtr_read_dulint(descr + XDES_ID, &mtr), - seg_id)); - - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - mtr_commit(&mtr); - } - - ut_a(n_used == n_used2); - - return(TRUE); -} - -#ifdef UNIV_DEBUG -/*******************************************************************//** -Validates a segment. -@return TRUE if ok */ -UNIV_INTERN -ibool -fseg_validate( -/*==========*/ - fseg_header_t* header, /*!< in: segment header */ - mtr_t* mtr) /*!< in: mtr */ -{ - fseg_inode_t* inode; - ibool ret; - ulint space; - ulint flags; - ulint zip_size; - - space = page_get_space_id(page_align(header)); - - mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - inode = fseg_inode_get(header, space, zip_size, mtr); - - ret = fseg_validate_low(inode, mtr); - - return(ret); -} -#endif /* UNIV_DEBUG */ - -/*******************************************************************//** -Writes info of a segment. */ -static -void -fseg_print_low( -/*===========*/ - fseg_inode_t* inode, /*!< in: segment inode */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint space; - ulint seg_id_low; - ulint seg_id_high; - ulint n_used; - ulint n_frag; - ulint n_free; - ulint n_not_full; - ulint n_full; - ulint reserved; - ulint used; - ulint page_no; - dulint d_var; - - ut_ad(mtr_memo_contains_page(mtr, inode, MTR_MEMO_PAGE_X_FIX)); - space = page_get_space_id(page_align(inode)); - page_no = page_get_page_no(page_align(inode)); - - reserved = fseg_n_reserved_pages_low(inode, &used, mtr); - - d_var = mtr_read_dulint(inode + FSEG_ID, mtr); - - seg_id_low = ut_dulint_get_low(d_var); - seg_id_high = ut_dulint_get_high(d_var); - - n_used = mtr_read_ulint(inode + FSEG_NOT_FULL_N_USED, - MLOG_4BYTES, mtr); - n_frag = fseg_get_n_frag_pages(inode, mtr); - n_free = flst_get_len(inode + FSEG_FREE, mtr); - n_not_full = flst_get_len(inode + FSEG_NOT_FULL, mtr); - n_full = flst_get_len(inode + FSEG_FULL, mtr); - - fprintf(stderr, - "SEGMENT id %lu %lu space %lu; page %lu;" - " res %lu used %lu; full ext %lu\n" - "fragm pages %lu; free extents %lu;" - " not full extents %lu: pages %lu\n", - (ulong) seg_id_high, (ulong) seg_id_low, - (ulong) space, (ulong) page_no, - (ulong) reserved, (ulong) used, (ulong) n_full, - (ulong) n_frag, (ulong) n_free, (ulong) n_not_full, - (ulong) n_used); - ut_ad(mach_read_from_4(inode + FSEG_MAGIC_N) == FSEG_MAGIC_N_VALUE); -} - -#ifdef UNIV_BTR_PRINT -/*******************************************************************//** -Writes info of a segment. */ -UNIV_INTERN -void -fseg_print( -/*=======*/ - fseg_header_t* header, /*!< in: segment header */ - mtr_t* mtr) /*!< in: mtr */ -{ - fseg_inode_t* inode; - ulint space; - ulint flags; - ulint zip_size; - - space = page_get_space_id(page_align(header)); - - mtr_x_lock(fil_space_get_latch(space, &flags), mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - inode = fseg_inode_get(header, space, zip_size, mtr); - - fseg_print_low(inode, mtr); -} -#endif /* UNIV_BTR_PRINT */ - -/*******************************************************************//** -Validates the file space system and its segments. -@return TRUE if ok */ -UNIV_INTERN -ibool -fsp_validate( -/*=========*/ - ulint space) /*!< in: space id */ -{ - fsp_header_t* header; - fseg_inode_t* seg_inode; - page_t* seg_inode_page; - rw_lock_t* latch; - ulint size; - ulint flags; - ulint zip_size; - ulint free_limit; - ulint frag_n_used; - mtr_t mtr; - mtr_t mtr2; - xdes_t* descr; - fil_addr_t node_addr; - fil_addr_t next_node_addr; - ulint descr_count = 0; - ulint n_used = 0; - ulint n_used2 = 0; - ulint n_full_frag_pages; - ulint n; - ulint seg_inode_len_free; - ulint seg_inode_len_full; - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - ut_a(ut_is_2pow(zip_size)); - ut_a(zip_size <= UNIV_PAGE_SIZE); - ut_a(!zip_size || zip_size >= PAGE_ZIP_MIN_SIZE); - - /* Start first a mini-transaction mtr2 to lock out all other threads - from the fsp system */ - mtr_start(&mtr2); - mtr_x_lock(latch, &mtr2); - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); - free_limit = mtr_read_ulint(header + FSP_FREE_LIMIT, - MLOG_4BYTES, &mtr); - frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, - MLOG_4BYTES, &mtr); - - n_full_frag_pages = FSP_EXTENT_SIZE - * flst_get_len(header + FSP_FULL_FRAG, &mtr); - - if (UNIV_UNLIKELY(free_limit > size)) { - - ut_a(space != 0); - ut_a(size < FSP_EXTENT_SIZE); - } - - flst_validate(header + FSP_FREE, &mtr); - flst_validate(header + FSP_FREE_FRAG, &mtr); - flst_validate(header + FSP_FULL_FRAG, &mtr); - - mtr_commit(&mtr); - - /* Validate FSP_FREE list */ - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - node_addr = flst_get_first(header + FSP_FREE, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - descr_count++; - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) == 0); - ut_a(xdes_get_state(descr, &mtr) == XDES_FREE); - - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - mtr_commit(&mtr); - } - - /* Validate FSP_FREE_FRAG list */ - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - node_addr = flst_get_first(header + FSP_FREE_FRAG, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - descr_count++; - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) > 0); - ut_a(xdes_get_n_used(descr, &mtr) < FSP_EXTENT_SIZE); - ut_a(xdes_get_state(descr, &mtr) == XDES_FREE_FRAG); - - n_used += xdes_get_n_used(descr, &mtr); - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - - mtr_commit(&mtr); - } - - /* Validate FSP_FULL_FRAG list */ - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - node_addr = flst_get_first(header + FSP_FULL_FRAG, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - descr_count++; - descr = xdes_lst_get_descriptor(space, zip_size, - node_addr, &mtr); - - ut_a(xdes_get_n_used(descr, &mtr) == FSP_EXTENT_SIZE); - ut_a(xdes_get_state(descr, &mtr) == XDES_FULL_FRAG); - - node_addr = flst_get_next_addr(descr + XDES_FLST_NODE, &mtr); - mtr_commit(&mtr); - } - - /* Validate segments */ - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - node_addr = flst_get_first(header + FSP_SEG_INODES_FULL, &mtr); - - seg_inode_len_full = flst_get_len(header + FSP_SEG_INODES_FULL, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - - n = 0; - do { - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - seg_inode_page = fut_get_ptr( - space, zip_size, node_addr, RW_X_LATCH, &mtr) - - FSEG_INODE_PAGE_NODE; - - seg_inode = fsp_seg_inode_page_get_nth_inode( - seg_inode_page, n, zip_size, &mtr); - ut_a(!ut_dulint_is_zero( - mach_read_from_8(seg_inode + FSEG_ID))); - fseg_validate_low(seg_inode, &mtr); - - descr_count += flst_get_len(seg_inode + FSEG_FREE, - &mtr); - descr_count += flst_get_len(seg_inode + FSEG_FULL, - &mtr); - descr_count += flst_get_len(seg_inode + FSEG_NOT_FULL, - &mtr); - - n_used2 += fseg_get_n_frag_pages(seg_inode, &mtr); - - next_node_addr = flst_get_next_addr( - seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); - mtr_commit(&mtr); - } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); - - node_addr = next_node_addr; - } - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - node_addr = flst_get_first(header + FSP_SEG_INODES_FREE, &mtr); - - seg_inode_len_free = flst_get_len(header + FSP_SEG_INODES_FREE, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - - n = 0; - - do { - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - seg_inode_page = fut_get_ptr( - space, zip_size, node_addr, RW_X_LATCH, &mtr) - - FSEG_INODE_PAGE_NODE; - - seg_inode = fsp_seg_inode_page_get_nth_inode( - seg_inode_page, n, zip_size, &mtr); - if (!ut_dulint_is_zero( - mach_read_from_8(seg_inode + FSEG_ID))) { - fseg_validate_low(seg_inode, &mtr); - - descr_count += flst_get_len( - seg_inode + FSEG_FREE, &mtr); - descr_count += flst_get_len( - seg_inode + FSEG_FULL, &mtr); - descr_count += flst_get_len( - seg_inode + FSEG_NOT_FULL, &mtr); - n_used2 += fseg_get_n_frag_pages( - seg_inode, &mtr); - } - - next_node_addr = flst_get_next_addr( - seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); - mtr_commit(&mtr); - } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); - - node_addr = next_node_addr; - } - - ut_a(descr_count * FSP_EXTENT_SIZE == free_limit); - if (!zip_size) { - ut_a(n_used + n_full_frag_pages - == n_used2 + 2 * ((free_limit + (UNIV_PAGE_SIZE - 1)) - / UNIV_PAGE_SIZE) - + seg_inode_len_full + seg_inode_len_free); - } else { - ut_a(n_used + n_full_frag_pages - == n_used2 + 2 * ((free_limit + (zip_size - 1)) - / zip_size) - + seg_inode_len_full + seg_inode_len_free); - } - ut_a(frag_n_used == n_used); - - mtr_commit(&mtr2); - - return(TRUE); -} - -/*******************************************************************//** -Prints info of a file space. */ -UNIV_INTERN -void -fsp_print( -/*======*/ - ulint space) /*!< in: space id */ -{ - fsp_header_t* header; - fseg_inode_t* seg_inode; - page_t* seg_inode_page; - rw_lock_t* latch; - ulint flags; - ulint zip_size; - ulint size; - ulint free_limit; - ulint frag_n_used; - fil_addr_t node_addr; - fil_addr_t next_node_addr; - ulint n_free; - ulint n_free_frag; - ulint n_full_frag; - ulint seg_id_low; - ulint seg_id_high; - ulint n; - ulint n_segs = 0; - dulint d_var; - mtr_t mtr; - mtr_t mtr2; - - latch = fil_space_get_latch(space, &flags); - zip_size = dict_table_flags_to_zip_size(flags); - - /* Start first a mini-transaction mtr2 to lock out all other threads - from the fsp system */ - - mtr_start(&mtr2); - - mtr_x_lock(latch, &mtr2); - - mtr_start(&mtr); - - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - size = mtr_read_ulint(header + FSP_SIZE, MLOG_4BYTES, &mtr); - - free_limit = mtr_read_ulint(header + FSP_FREE_LIMIT, MLOG_4BYTES, - &mtr); - frag_n_used = mtr_read_ulint(header + FSP_FRAG_N_USED, MLOG_4BYTES, - &mtr); - n_free = flst_get_len(header + FSP_FREE, &mtr); - n_free_frag = flst_get_len(header + FSP_FREE_FRAG, &mtr); - n_full_frag = flst_get_len(header + FSP_FULL_FRAG, &mtr); - - d_var = mtr_read_dulint(header + FSP_SEG_ID, &mtr); - - seg_id_low = ut_dulint_get_low(d_var); - seg_id_high = ut_dulint_get_high(d_var); - - fprintf(stderr, - "FILE SPACE INFO: id %lu\n" - "size %lu, free limit %lu, free extents %lu\n" - "not full frag extents %lu: used pages %lu," - " full frag extents %lu\n" - "first seg id not used %lu %lu\n", - (ulong) space, - (ulong) size, (ulong) free_limit, (ulong) n_free, - (ulong) n_free_frag, (ulong) frag_n_used, (ulong) n_full_frag, - (ulong) seg_id_high, (ulong) seg_id_low); - - mtr_commit(&mtr); - - /* Print segments */ - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - node_addr = flst_get_first(header + FSP_SEG_INODES_FULL, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - - n = 0; - - do { - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - seg_inode_page = fut_get_ptr( - space, zip_size, node_addr, RW_X_LATCH, &mtr) - - FSEG_INODE_PAGE_NODE; - - seg_inode = fsp_seg_inode_page_get_nth_inode( - seg_inode_page, n, zip_size, &mtr); - ut_a(!ut_dulint_is_zero( - mach_read_from_8(seg_inode + FSEG_ID))); - fseg_print_low(seg_inode, &mtr); - - n_segs++; - - next_node_addr = flst_get_next_addr( - seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); - mtr_commit(&mtr); - } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); - - node_addr = next_node_addr; - } - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - header = fsp_get_space_header(space, zip_size, &mtr); - - node_addr = flst_get_first(header + FSP_SEG_INODES_FREE, &mtr); - - mtr_commit(&mtr); - - while (!fil_addr_is_null(node_addr)) { - - n = 0; - - do { - - mtr_start(&mtr); - mtr_x_lock(latch, &mtr); - - seg_inode_page = fut_get_ptr( - space, zip_size, node_addr, RW_X_LATCH, &mtr) - - FSEG_INODE_PAGE_NODE; - - seg_inode = fsp_seg_inode_page_get_nth_inode( - seg_inode_page, n, zip_size, &mtr); - if (!ut_dulint_is_zero( - mach_read_from_8(seg_inode + FSEG_ID))) { - - fseg_print_low(seg_inode, &mtr); - n_segs++; - } - - next_node_addr = flst_get_next_addr( - seg_inode_page + FSEG_INODE_PAGE_NODE, &mtr); - mtr_commit(&mtr); - } while (++n < FSP_SEG_INODES_PER_PAGE(zip_size)); - - node_addr = next_node_addr; - } - - mtr_commit(&mtr2); - - fprintf(stderr, "NUMBER of file segments: %lu\n", (ulong) n_segs); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/fut/fut0fut.c b/perfschema/fut/fut0fut.c deleted file mode 100644 index 20b45a575e6..00000000000 --- a/perfschema/fut/fut0fut.c +++ /dev/null @@ -1,31 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file fut/fut0fut.c -File-based utilities - -Created 12/13/1995 Heikki Tuuri -***********************************************************************/ - -#include "fut0fut.h" - -#ifdef UNIV_NONINL -#include "fut0fut.ic" -#endif - diff --git a/perfschema/fut/fut0lst.c b/perfschema/fut/fut0lst.c deleted file mode 100644 index a1e21c22725..00000000000 --- a/perfschema/fut/fut0lst.c +++ /dev/null @@ -1,530 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file fut/fut0lst.c -File-based list utilities - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#include "fut0lst.h" - -#ifdef UNIV_NONINL -#include "fut0lst.ic" -#endif - -#include "buf0buf.h" -#include "page0page.h" - -/********************************************************************//** -Adds a node to an empty list. */ -static -void -flst_add_to_empty( -/*==============*/ - flst_base_node_t* base, /*!< in: pointer to base node of - empty list */ - flst_node_t* node, /*!< in: node to add */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - fil_addr_t node_addr; - ulint len; - - ut_ad(mtr && base && node); - ut_ad(base != node); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); - len = flst_get_len(base, mtr); - ut_a(len == 0); - - buf_ptr_get_fsp_addr(node, &space, &node_addr); - - /* Update first and last fields of base node */ - flst_write_addr(base + FLST_FIRST, node_addr, mtr); - flst_write_addr(base + FLST_LAST, node_addr, mtr); - - /* Set prev and next fields of node to add */ - flst_write_addr(node + FLST_PREV, fil_addr_null, mtr); - flst_write_addr(node + FLST_NEXT, fil_addr_null, mtr); - - /* Update len of base node */ - mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Adds a node as the last node in a list. */ -UNIV_INTERN -void -flst_add_last( -/*==========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node, /*!< in: node to add */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - fil_addr_t node_addr; - ulint len; - fil_addr_t last_addr; - flst_node_t* last_node; - - ut_ad(mtr && base && node); - ut_ad(base != node); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); - len = flst_get_len(base, mtr); - last_addr = flst_get_last(base, mtr); - - buf_ptr_get_fsp_addr(node, &space, &node_addr); - - /* If the list is not empty, call flst_insert_after */ - if (len != 0) { - if (last_addr.page == node_addr.page) { - last_node = page_align(node) + last_addr.boffset; - } else { - ulint zip_size = fil_space_get_zip_size(space); - - last_node = fut_get_ptr(space, zip_size, last_addr, - RW_X_LATCH, mtr); - } - - flst_insert_after(base, last_node, node, mtr); - } else { - /* else call flst_add_to_empty */ - flst_add_to_empty(base, node, mtr); - } -} - -/********************************************************************//** -Adds a node as the first node in a list. */ -UNIV_INTERN -void -flst_add_first( -/*===========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node, /*!< in: node to add */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - fil_addr_t node_addr; - ulint len; - fil_addr_t first_addr; - flst_node_t* first_node; - - ut_ad(mtr && base && node); - ut_ad(base != node); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node, MTR_MEMO_PAGE_X_FIX)); - len = flst_get_len(base, mtr); - first_addr = flst_get_first(base, mtr); - - buf_ptr_get_fsp_addr(node, &space, &node_addr); - - /* If the list is not empty, call flst_insert_before */ - if (len != 0) { - if (first_addr.page == node_addr.page) { - first_node = page_align(node) + first_addr.boffset; - } else { - ulint zip_size = fil_space_get_zip_size(space); - - first_node = fut_get_ptr(space, zip_size, first_addr, - RW_X_LATCH, mtr); - } - - flst_insert_before(base, node, first_node, mtr); - } else { - /* else call flst_add_to_empty */ - flst_add_to_empty(base, node, mtr); - } -} - -/********************************************************************//** -Inserts a node after another in a list. */ -UNIV_INTERN -void -flst_insert_after( -/*==============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node1, /*!< in: node to insert after */ - flst_node_t* node2, /*!< in: node to add */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - fil_addr_t node1_addr; - fil_addr_t node2_addr; - flst_node_t* node3; - fil_addr_t node3_addr; - ulint len; - - ut_ad(mtr && node1 && node2 && base); - ut_ad(base != node1); - ut_ad(base != node2); - ut_ad(node2 != node1); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node1, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); - - buf_ptr_get_fsp_addr(node1, &space, &node1_addr); - buf_ptr_get_fsp_addr(node2, &space, &node2_addr); - - node3_addr = flst_get_next_addr(node1, mtr); - - /* Set prev and next fields of node2 */ - flst_write_addr(node2 + FLST_PREV, node1_addr, mtr); - flst_write_addr(node2 + FLST_NEXT, node3_addr, mtr); - - if (!fil_addr_is_null(node3_addr)) { - /* Update prev field of node3 */ - ulint zip_size = fil_space_get_zip_size(space); - - node3 = fut_get_ptr(space, zip_size, - node3_addr, RW_X_LATCH, mtr); - flst_write_addr(node3 + FLST_PREV, node2_addr, mtr); - } else { - /* node1 was last in list: update last field in base */ - flst_write_addr(base + FLST_LAST, node2_addr, mtr); - } - - /* Set next field of node1 */ - flst_write_addr(node1 + FLST_NEXT, node2_addr, mtr); - - /* Update len of base node */ - len = flst_get_len(base, mtr); - mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Inserts a node before another in a list. */ -UNIV_INTERN -void -flst_insert_before( -/*===============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: node to insert */ - flst_node_t* node3, /*!< in: node to insert before */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - flst_node_t* node1; - fil_addr_t node1_addr; - fil_addr_t node2_addr; - fil_addr_t node3_addr; - ulint len; - - ut_ad(mtr && node2 && node3 && base); - ut_ad(base != node2); - ut_ad(base != node3); - ut_ad(node2 != node3); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node3, MTR_MEMO_PAGE_X_FIX)); - - buf_ptr_get_fsp_addr(node2, &space, &node2_addr); - buf_ptr_get_fsp_addr(node3, &space, &node3_addr); - - node1_addr = flst_get_prev_addr(node3, mtr); - - /* Set prev and next fields of node2 */ - flst_write_addr(node2 + FLST_PREV, node1_addr, mtr); - flst_write_addr(node2 + FLST_NEXT, node3_addr, mtr); - - if (!fil_addr_is_null(node1_addr)) { - ulint zip_size = fil_space_get_zip_size(space); - /* Update next field of node1 */ - node1 = fut_get_ptr(space, zip_size, node1_addr, - RW_X_LATCH, mtr); - flst_write_addr(node1 + FLST_NEXT, node2_addr, mtr); - } else { - /* node3 was first in list: update first field in base */ - flst_write_addr(base + FLST_FIRST, node2_addr, mtr); - } - - /* Set prev field of node3 */ - flst_write_addr(node3 + FLST_PREV, node2_addr, mtr); - - /* Update len of base node */ - len = flst_get_len(base, mtr); - mlog_write_ulint(base + FLST_LEN, len + 1, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Removes a node. */ -UNIV_INTERN -void -flst_remove( -/*========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: node to remove */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - ulint zip_size; - flst_node_t* node1; - fil_addr_t node1_addr; - fil_addr_t node2_addr; - flst_node_t* node3; - fil_addr_t node3_addr; - ulint len; - - ut_ad(mtr && node2 && base); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); - - buf_ptr_get_fsp_addr(node2, &space, &node2_addr); - zip_size = fil_space_get_zip_size(space); - - node1_addr = flst_get_prev_addr(node2, mtr); - node3_addr = flst_get_next_addr(node2, mtr); - - if (!fil_addr_is_null(node1_addr)) { - - /* Update next field of node1 */ - - if (node1_addr.page == node2_addr.page) { - - node1 = page_align(node2) + node1_addr.boffset; - } else { - node1 = fut_get_ptr(space, zip_size, - node1_addr, RW_X_LATCH, mtr); - } - - ut_ad(node1 != node2); - - flst_write_addr(node1 + FLST_NEXT, node3_addr, mtr); - } else { - /* node2 was first in list: update first field in base */ - flst_write_addr(base + FLST_FIRST, node3_addr, mtr); - } - - if (!fil_addr_is_null(node3_addr)) { - /* Update prev field of node3 */ - - if (node3_addr.page == node2_addr.page) { - - node3 = page_align(node2) + node3_addr.boffset; - } else { - node3 = fut_get_ptr(space, zip_size, - node3_addr, RW_X_LATCH, mtr); - } - - ut_ad(node2 != node3); - - flst_write_addr(node3 + FLST_PREV, node1_addr, mtr); - } else { - /* node2 was last in list: update last field in base */ - flst_write_addr(base + FLST_LAST, node1_addr, mtr); - } - - /* Update len of base node */ - len = flst_get_len(base, mtr); - ut_ad(len > 0); - - mlog_write_ulint(base + FLST_LEN, len - 1, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Cuts off the tail of the list, including the node given. The number of -nodes which will be removed must be provided by the caller, as this function -does not measure the length of the tail. */ -UNIV_INTERN -void -flst_cut_end( -/*=========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: first node to remove */ - ulint n_nodes,/*!< in: number of nodes to remove, - must be >= 1 */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint space; - flst_node_t* node1; - fil_addr_t node1_addr; - fil_addr_t node2_addr; - ulint len; - - ut_ad(mtr && node2 && base); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); - ut_ad(n_nodes > 0); - - buf_ptr_get_fsp_addr(node2, &space, &node2_addr); - - node1_addr = flst_get_prev_addr(node2, mtr); - - if (!fil_addr_is_null(node1_addr)) { - - /* Update next field of node1 */ - - if (node1_addr.page == node2_addr.page) { - - node1 = page_align(node2) + node1_addr.boffset; - } else { - node1 = fut_get_ptr(space, - fil_space_get_zip_size(space), - node1_addr, RW_X_LATCH, mtr); - } - - flst_write_addr(node1 + FLST_NEXT, fil_addr_null, mtr); - } else { - /* node2 was first in list: update the field in base */ - flst_write_addr(base + FLST_FIRST, fil_addr_null, mtr); - } - - flst_write_addr(base + FLST_LAST, node1_addr, mtr); - - /* Update len of base node */ - len = flst_get_len(base, mtr); - ut_ad(len >= n_nodes); - - mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Cuts off the tail of the list, not including the given node. The number of -nodes which will be removed must be provided by the caller, as this function -does not measure the length of the tail. */ -UNIV_INTERN -void -flst_truncate_end( -/*==============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: first node not to remove */ - ulint n_nodes,/*!< in: number of nodes to remove */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fil_addr_t node2_addr; - ulint len; - ulint space; - - ut_ad(mtr && node2 && base); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, node2, MTR_MEMO_PAGE_X_FIX)); - if (n_nodes == 0) { - - ut_ad(fil_addr_is_null(flst_get_next_addr(node2, mtr))); - - return; - } - - buf_ptr_get_fsp_addr(node2, &space, &node2_addr); - - /* Update next field of node2 */ - flst_write_addr(node2 + FLST_NEXT, fil_addr_null, mtr); - - flst_write_addr(base + FLST_LAST, node2_addr, mtr); - - /* Update len of base node */ - len = flst_get_len(base, mtr); - ut_ad(len >= n_nodes); - - mlog_write_ulint(base + FLST_LEN, len - n_nodes, MLOG_4BYTES, mtr); -} - -/********************************************************************//** -Validates a file-based list. -@return TRUE if ok */ -UNIV_INTERN -ibool -flst_validate( -/*==========*/ - const flst_base_node_t* base, /*!< in: pointer to base node of list */ - mtr_t* mtr1) /*!< in: mtr */ -{ - ulint space; - ulint zip_size; - const flst_node_t* node; - fil_addr_t node_addr; - fil_addr_t base_addr; - ulint len; - ulint i; - mtr_t mtr2; - - ut_ad(base); - ut_ad(mtr_memo_contains_page(mtr1, base, MTR_MEMO_PAGE_X_FIX)); - - /* We use two mini-transaction handles: the first is used to - lock the base node, and prevent other threads from modifying the - list. The second is used to traverse the list. We cannot run the - second mtr without committing it at times, because if the list - is long, then the x-locked pages could fill the buffer resulting - in a deadlock. */ - - /* Find out the space id */ - buf_ptr_get_fsp_addr(base, &space, &base_addr); - zip_size = fil_space_get_zip_size(space); - - len = flst_get_len(base, mtr1); - node_addr = flst_get_first(base, mtr1); - - for (i = 0; i < len; i++) { - mtr_start(&mtr2); - - node = fut_get_ptr(space, zip_size, - node_addr, RW_X_LATCH, &mtr2); - node_addr = flst_get_next_addr(node, &mtr2); - - mtr_commit(&mtr2); /* Commit mtr2 each round to prevent buffer - becoming full */ - } - - ut_a(fil_addr_is_null(node_addr)); - - node_addr = flst_get_last(base, mtr1); - - for (i = 0; i < len; i++) { - mtr_start(&mtr2); - - node = fut_get_ptr(space, zip_size, - node_addr, RW_X_LATCH, &mtr2); - node_addr = flst_get_prev_addr(node, &mtr2); - - mtr_commit(&mtr2); /* Commit mtr2 each round to prevent buffer - becoming full */ - } - - ut_a(fil_addr_is_null(node_addr)); - - return(TRUE); -} - -/********************************************************************//** -Prints info of a file-based list. */ -UNIV_INTERN -void -flst_print( -/*=======*/ - const flst_base_node_t* base, /*!< in: pointer to base node of list */ - mtr_t* mtr) /*!< in: mtr */ -{ - const buf_frame_t* frame; - ulint len; - - ut_ad(base && mtr); - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - frame = page_align((byte*) base); - - len = flst_get_len(base, mtr); - - fprintf(stderr, - "FILE-BASED LIST:\n" - "Base node in space %lu page %lu byte offset %lu; len %lu\n", - (ulong) page_get_space_id(frame), - (ulong) page_get_page_no(frame), - (ulong) page_offset(base), (ulong) len); -} diff --git a/perfschema/ha/ha0ha.c b/perfschema/ha/ha0ha.c deleted file mode 100644 index cb5e541b55d..00000000000 --- a/perfschema/ha/ha0ha.c +++ /dev/null @@ -1,441 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file ha/ha0ha.c -The hash table with external chains - -Created 8/22/1994 Heikki Tuuri -*************************************************************************/ - -#include "ha0ha.h" -#ifdef UNIV_NONINL -#include "ha0ha.ic" -#endif - -#ifdef UNIV_DEBUG -# include "buf0buf.h" -#endif /* UNIV_DEBUG */ -#ifdef UNIV_SYNC_DEBUG -# include "btr0sea.h" -#endif /* UNIV_SYNC_DEBUG */ -#include "page0page.h" - -/*************************************************************//** -Creates a hash table with at least n array cells. The actual number -of cells is chosen to be a prime number slightly bigger than n. -@return own: created table */ -UNIV_INTERN -hash_table_t* -ha_create_func( -/*===========*/ - ulint n, /*!< in: number of array cells */ -#ifdef UNIV_SYNC_DEBUG - ulint mutex_level, /*!< in: level of the mutexes in the latching - order: this is used in the debug version */ -#endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes) /*!< in: number of mutexes to protect the - hash table: must be a power of 2, or 0 */ -{ - hash_table_t* table; -#ifndef UNIV_HOTBACKUP - ulint i; -#endif /* !UNIV_HOTBACKUP */ - - ut_ad(ut_is_2pow(n_mutexes)); - table = hash_create(n); - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - table->adaptive = TRUE; -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - /* Creating MEM_HEAP_BTR_SEARCH type heaps can potentially fail, - but in practise it never should in this case, hence the asserts. */ - - if (n_mutexes == 0) { - table->heap = mem_heap_create_in_btr_search( - ut_min(4096, MEM_MAX_ALLOC_IN_BUF)); - ut_a(table->heap); - - return(table); - } - -#ifndef UNIV_HOTBACKUP - hash_create_mutexes(table, n_mutexes, mutex_level); - - table->heaps = mem_alloc(n_mutexes * sizeof(void*)); - - for (i = 0; i < n_mutexes; i++) { - table->heaps[i] = mem_heap_create_in_btr_search(4096); - ut_a(table->heaps[i]); - } -#endif /* !UNIV_HOTBACKUP */ - - return(table); -} - -/*************************************************************//** -Empties a hash table and frees the memory heaps. */ -UNIV_INTERN -void -ha_clear( -/*=====*/ - hash_table_t* table) /*!< in, own: hash table */ -{ - ulint i; - ulint n; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EXCLUSIVE)); -#endif /* UNIV_SYNC_DEBUG */ - -#ifndef UNIV_HOTBACKUP - /* Free the memory heaps. */ - n = table->n_mutexes; - - for (i = 0; i < n; i++) { - mem_heap_free(table->heaps[i]); - } -#endif /* !UNIV_HOTBACKUP */ - - /* Clear the hash table. */ - n = hash_get_n_cells(table); - - for (i = 0; i < n; i++) { - hash_get_nth_cell(table, i)->node = NULL; - } -} - -/*************************************************************//** -Inserts an entry into a hash table. If an entry with the same fold number -is found, its node is updated to point to the new data, and no new node -is inserted. -@return TRUE if succeed, FALSE if no more memory could be allocated */ -UNIV_INTERN -ibool -ha_insert_for_fold_func( -/*====================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of data; if a node with - the same fold value already exists, it is - updated to point to the same data, and no new - node is created! */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /*!< in: buffer block containing the data */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data) /*!< in: data, must not be NULL */ -{ - hash_cell_t* cell; - ha_node_t* node; - ha_node_t* prev_node; - ulint hash; - - ut_ad(table && data); -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - ut_a(block->frame == page_align(data)); -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - ASSERT_HASH_MUTEX_OWN(table, fold); - - hash = hash_calc_hash(fold, table); - - cell = hash_get_nth_cell(table, hash); - - prev_node = cell->node; - - while (prev_node != NULL) { - if (prev_node->fold == fold) { -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - if (table->adaptive) { - buf_block_t* prev_block = prev_node->block; - ut_a(prev_block->frame - == page_align(prev_node->data)); - ut_a(prev_block->n_pointers > 0); - prev_block->n_pointers--; - block->n_pointers++; - } -# endif /* !UNIV_HOTBACKUP */ - - prev_node->block = block; -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - prev_node->data = data; - - return(TRUE); - } - - prev_node = prev_node->next; - } - - /* We have to allocate a new chain node */ - - node = mem_heap_alloc(hash_get_heap(table, fold), sizeof(ha_node_t)); - - if (node == NULL) { - /* It was a btr search type memory heap and at the moment - no more memory could be allocated: return */ - - ut_ad(hash_get_heap(table, fold)->type & MEM_HEAP_BTR_SEARCH); - - return(FALSE); - } - - ha_node_set_data(node, block, data); - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - if (table->adaptive) { - block->n_pointers++; - } -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - - node->fold = fold; - - node->next = NULL; - - prev_node = cell->node; - - if (prev_node == NULL) { - - cell->node = node; - - return(TRUE); - } - - while (prev_node->next != NULL) { - - prev_node = prev_node->next; - } - - prev_node->next = node; - - return(TRUE); -} - -/***********************************************************//** -Deletes a hash node. */ -UNIV_INTERN -void -ha_delete_hash_node( -/*================*/ - hash_table_t* table, /*!< in: hash table */ - ha_node_t* del_node) /*!< in: node to be deleted */ -{ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - if (table->adaptive) { - ut_a(del_node->block->frame = page_align(del_node->data)); - ut_a(del_node->block->n_pointers > 0); - del_node->block->n_pointers--; - } -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - - HASH_DELETE_AND_COMPACT(ha_node_t, next, table, del_node); -} - -/*********************************************************//** -Looks for an element when we know the pointer to the data, and updates -the pointer to data, if found. */ -UNIV_INTERN -void -ha_search_and_update_if_found_func( -/*===============================*/ - hash_table_t* table, /*!< in/out: hash table */ - ulint fold, /*!< in: folded value of the searched data */ - void* data, /*!< in: pointer to the data */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* new_block,/*!< in: block containing new_data */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* new_data)/*!< in: new pointer to the data */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - ut_a(new_block->frame == page_align(new_data)); -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - - node = ha_search_with_data(table, fold, data); - - if (node) { -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - if (table->adaptive) { - ut_a(node->block->n_pointers > 0); - node->block->n_pointers--; - new_block->n_pointers++; - } -# endif /* !UNIV_HOTBACKUP */ - - node->block = new_block; -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - node->data = new_data; - } -} - -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Removes from the chain determined by fold all nodes whose data pointer -points to the page given. */ -UNIV_INTERN -void -ha_remove_all_nodes_to_page( -/*========================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: fold value */ - const page_t* page) /*!< in: buffer page */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_chain_get_first(table, fold); - - while (node) { - if (page_align(ha_node_get_data(node)) == page) { - - /* Remove the hash node */ - - ha_delete_hash_node(table, node); - - /* Start again from the first node in the chain - because the deletion may compact the heap of - nodes and move other nodes! */ - - node = ha_chain_get_first(table, fold); - } else { - node = ha_chain_get_next(node); - } - } -#ifdef UNIV_DEBUG - /* Check that all nodes really got deleted */ - - node = ha_chain_get_first(table, fold); - - while (node) { - ut_a(page_align(ha_node_get_data(node)) != page); - - node = ha_chain_get_next(node); - } -#endif -} - -/*************************************************************//** -Validates a given range of the cells in hash table. -@return TRUE if ok */ -UNIV_INTERN -ibool -ha_validate( -/*========*/ - hash_table_t* table, /*!< in: hash table */ - ulint start_index, /*!< in: start index */ - ulint end_index) /*!< in: end index */ -{ - hash_cell_t* cell; - ha_node_t* node; - ibool ok = TRUE; - ulint i; - - ut_a(start_index <= end_index); - ut_a(start_index < hash_get_n_cells(table)); - ut_a(end_index < hash_get_n_cells(table)); - - for (i = start_index; i <= end_index; i++) { - - cell = hash_get_nth_cell(table, i); - - node = cell->node; - - while (node) { - if (hash_calc_hash(node->fold, table) != i) { - ut_print_timestamp(stderr); - fprintf(stderr, - "InnoDB: Error: hash table node" - " fold value %lu does not\n" - "InnoDB: match the cell number %lu.\n", - (ulong) node->fold, (ulong) i); - - ok = FALSE; - } - - node = node->next; - } - } - - return(ok); -} - -/*************************************************************//** -Prints info of a hash table. */ -UNIV_INTERN -void -ha_print_info( -/*==========*/ - FILE* file, /*!< in: file where to print */ - hash_table_t* table) /*!< in: hash table */ -{ -#ifdef UNIV_DEBUG -/* Some of the code here is disabled for performance reasons in production -builds, see http://bugs.mysql.com/36941 */ -#define PRINT_USED_CELLS -#endif /* UNIV_DEBUG */ - -#ifdef PRINT_USED_CELLS - hash_cell_t* cell; - ulint cells = 0; - ulint i; -#endif /* PRINT_USED_CELLS */ - ulint n_bufs; - -#ifdef PRINT_USED_CELLS - for (i = 0; i < hash_get_n_cells(table); i++) { - - cell = hash_get_nth_cell(table, i); - - if (cell->node) { - - cells++; - } - } -#endif /* PRINT_USED_CELLS */ - - fprintf(file, "Hash table size %lu", - (ulong) hash_get_n_cells(table)); - -#ifdef PRINT_USED_CELLS - fprintf(file, ", used cells %lu", (ulong) cells); -#endif /* PRINT_USED_CELLS */ - - if (table->heaps == NULL && table->heap != NULL) { - - /* This calculation is intended for the adaptive hash - index: how many buffer frames we have reserved? */ - - n_bufs = UT_LIST_GET_LEN(table->heap->base) - 1; - - if (table->heap->free_block) { - n_bufs++; - } - - fprintf(file, ", node heap has %lu buffer(s)\n", - (ulong) n_bufs); - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ha/ha0storage.c b/perfschema/ha/ha0storage.c deleted file mode 100644 index 698e34f1166..00000000000 --- a/perfschema/ha/ha0storage.c +++ /dev/null @@ -1,184 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file ha/ha0storage.c -Hash storage. -Provides a data structure that stores chunks of data in -its own storage, avoiding duplicates. - -Created September 22, 2007 Vasil Dimov -*******************************************************/ - -#include "univ.i" -#include "ha0storage.h" -#include "hash0hash.h" -#include "mem0mem.h" -#include "ut0rnd.h" - -#ifdef UNIV_NONINL -#include "ha0storage.ic" -#endif - -/*******************************************************************//** -Retrieves a data from a storage. If it is present, a pointer to the -stored copy of data is returned, otherwise NULL is returned. */ -static -const void* -ha_storage_get( -/*===========*/ - ha_storage_t* storage, /*!< in: hash storage */ - const void* data, /*!< in: data to check for */ - ulint data_len) /*!< in: data length */ -{ - ha_storage_node_t* node; - ulint fold; - - /* avoid repetitive calls to ut_fold_binary() in the HASH_SEARCH - macro */ - fold = ut_fold_binary(data, data_len); - -#define IS_FOUND \ - node->data_len == data_len && memcmp(node->data, data, data_len) == 0 - - HASH_SEARCH( - next, /* node->"next" */ - storage->hash, /* the hash table */ - fold, /* key */ - ha_storage_node_t*, /* type of node->next */ - node, /* auxiliary variable */ - , /* assertion */ - IS_FOUND); /* search criteria */ - - if (node == NULL) { - - return(NULL); - } - /* else */ - - return(node->data); -} - -/*******************************************************************//** -Copies data into the storage and returns a pointer to the copy. If the -same data chunk is already present, then pointer to it is returned. -Data chunks are considered to be equal if len1 == len2 and -memcmp(data1, data2, len1) == 0. If "data" is not present (and thus -data_len bytes need to be allocated) and the size of storage is going to -become more than "memlim" then "data" is not added and NULL is returned. -To disable this behavior "memlim" can be set to 0, which stands for -"no limit". */ -UNIV_INTERN -const void* -ha_storage_put_memlim( -/*==================*/ - ha_storage_t* storage, /*!< in/out: hash storage */ - const void* data, /*!< in: data to store */ - ulint data_len, /*!< in: data length */ - ulint memlim) /*!< in: memory limit to obey */ -{ - void* raw; - ha_storage_node_t* node; - const void* data_copy; - ulint fold; - - /* check if data chunk is already present */ - data_copy = ha_storage_get(storage, data, data_len); - if (data_copy != NULL) { - - return(data_copy); - } - - /* not present */ - - /* check if we are allowed to allocate data_len bytes */ - if (memlim > 0 - && ha_storage_get_size(storage) + data_len > memlim) { - - return(NULL); - } - - /* we put the auxiliary node struct and the data itself in one - continuous block */ - raw = mem_heap_alloc(storage->heap, - sizeof(ha_storage_node_t) + data_len); - - node = (ha_storage_node_t*) raw; - data_copy = (byte*) raw + sizeof(*node); - - memcpy((byte*) raw + sizeof(*node), data, data_len); - - node->data_len = data_len; - node->data = data_copy; - - /* avoid repetitive calls to ut_fold_binary() in the HASH_INSERT - macro */ - fold = ut_fold_binary(data, data_len); - - HASH_INSERT( - ha_storage_node_t, /* type used in the hash chain */ - next, /* node->"next" */ - storage->hash, /* the hash table */ - fold, /* key */ - node); /* add this data to the hash */ - - /* the output should not be changed because it will spoil the - hash table */ - return(data_copy); -} - -#ifdef UNIV_COMPILE_TEST_FUNCS - -void -test_ha_storage() -{ - ha_storage_t* storage; - char buf[1024]; - int i; - const void* stored[256]; - const void* p; - - storage = ha_storage_create(0, 0); - - for (i = 0; i < 256; i++) { - - memset(buf, i, sizeof(buf)); - stored[i] = ha_storage_put(storage, buf, sizeof(buf)); - } - - //ha_storage_empty(&storage); - - for (i = 255; i >= 0; i--) { - - memset(buf, i, sizeof(buf)); - p = ha_storage_put(storage, buf, sizeof(buf)); - - if (p != stored[i]) { - - fprintf(stderr, "ha_storage_put() returned %p " - "instead of %p, i=%d\n", p, stored[i], i); - return; - } - } - - fprintf(stderr, "all ok\n"); - - ha_storage_free(storage); -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/ha/hash0hash.c b/perfschema/ha/hash0hash.c deleted file mode 100644 index 2800d7793f8..00000000000 --- a/perfschema/ha/hash0hash.c +++ /dev/null @@ -1,174 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file ha/hash0hash.c -The simple hash table utility - -Created 5/20/1997 Heikki Tuuri -*******************************************************/ - -#include "hash0hash.h" -#ifdef UNIV_NONINL -#include "hash0hash.ic" -#endif - -#include "mem0mem.h" - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Reserves the mutex for a fold value in a hash table. */ -UNIV_INTERN -void -hash_mutex_enter( -/*=============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - mutex_enter(hash_get_mutex(table, fold)); -} - -/************************************************************//** -Releases the mutex for a fold value in a hash table. */ -UNIV_INTERN -void -hash_mutex_exit( -/*============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - mutex_exit(hash_get_mutex(table, fold)); -} - -/************************************************************//** -Reserves all the mutexes of a hash table, in an ascending order. */ -UNIV_INTERN -void -hash_mutex_enter_all( -/*=================*/ - hash_table_t* table) /*!< in: hash table */ -{ - ulint i; - - for (i = 0; i < table->n_mutexes; i++) { - - mutex_enter(table->mutexes + i); - } -} - -/************************************************************//** -Releases all the mutexes of a hash table. */ -UNIV_INTERN -void -hash_mutex_exit_all( -/*================*/ - hash_table_t* table) /*!< in: hash table */ -{ - ulint i; - - for (i = 0; i < table->n_mutexes; i++) { - - mutex_exit(table->mutexes + i); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Creates a hash table with >= n array cells. The actual number of cells is -chosen to be a prime number slightly bigger than n. -@return own: created table */ -UNIV_INTERN -hash_table_t* -hash_create( -/*========*/ - ulint n) /*!< in: number of array cells */ -{ - hash_cell_t* array; - ulint prime; - hash_table_t* table; - - prime = ut_find_prime(n); - - table = mem_alloc(sizeof(hash_table_t)); - - array = ut_malloc(sizeof(hash_cell_t) * prime); - - table->array = array; - table->n_cells = prime; -#ifndef UNIV_HOTBACKUP -# if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - table->adaptive = FALSE; -# endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - table->n_mutexes = 0; - table->mutexes = NULL; - table->heaps = NULL; -#endif /* !UNIV_HOTBACKUP */ - table->heap = NULL; - table->magic_n = HASH_TABLE_MAGIC_N; - - /* Initialize the cell array */ - hash_table_clear(table); - - return(table); -} - -/*************************************************************//** -Frees a hash table. */ -UNIV_INTERN -void -hash_table_free( -/*============*/ - hash_table_t* table) /*!< in, own: hash table */ -{ -#ifndef UNIV_HOTBACKUP - ut_a(table->mutexes == NULL); -#endif /* !UNIV_HOTBACKUP */ - - ut_free(table->array); - mem_free(table); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Creates a mutex array to protect a hash table. */ -UNIV_INTERN -void -hash_create_mutexes_func( -/*=====================*/ - hash_table_t* table, /*!< in: hash table */ -#ifdef UNIV_SYNC_DEBUG - ulint sync_level, /*!< in: latching order level of the - mutexes: used in the debug version */ -#endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes) /*!< in: number of mutexes, must be a - power of 2 */ -{ - ulint i; - - ut_a(n_mutexes > 0); - ut_a(ut_is_2pow(n_mutexes)); - - table->mutexes = mem_alloc(n_mutexes * sizeof(mutex_t)); - - for (i = 0; i < n_mutexes; i++) { - mutex_create(table->mutexes + i, sync_level); - } - - table->n_mutexes = n_mutexes; -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ha_innodb.def b/perfschema/ha_innodb.def deleted file mode 100644 index e0faa62deb1..00000000000 --- a/perfschema/ha_innodb.def +++ /dev/null @@ -1,4 +0,0 @@ -EXPORTS - _mysql_plugin_interface_version_ - _mysql_sizeof_struct_st_plugin_ - _mysql_plugin_declarations_ diff --git a/perfschema/handler/ha_innodb.cc b/perfschema/handler/ha_innodb.cc deleted file mode 100644 index 0dc21ddd69c..00000000000 --- a/perfschema/handler/ha_innodb.cc +++ /dev/null @@ -1,10983 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. -Copyright (c) 2008, 2009 Google Inc. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/* TODO list for the InnoDB handler in 5.0: - - Remove the flag trx->active_trans and look at trx->conc_state - - fix savepoint functions to use savepoint storage area - - Find out what kind of problems the OS X case-insensitivity causes to - table and database names; should we 'normalize' the names like we do - in Windows? -*/ - -#ifdef USE_PRAGMA_IMPLEMENTATION -#pragma implementation // gcc: Class implementation -#endif - -#include - -#include -#include -#include - -/** @file ha_innodb.cc */ - -/* Include necessary InnoDB headers */ -extern "C" { -#include "univ.i" -#include "buf0lru.h" -#include "btr0sea.h" -#include "os0file.h" -#include "os0thread.h" -#include "srv0start.h" -#include "srv0srv.h" -#include "trx0roll.h" -#include "trx0trx.h" -#include "trx0sys.h" -#include "mtr0mtr.h" -#include "row0ins.h" -#include "row0mysql.h" -#include "row0sel.h" -#include "row0upd.h" -#include "log0log.h" -#include "lock0lock.h" -#include "dict0crea.h" -#include "btr0cur.h" -#include "btr0btr.h" -#include "fsp0fsp.h" -#include "sync0sync.h" -#include "fil0fil.h" -#include "trx0xa.h" -#include "row0merge.h" -#include "thr0loc.h" -#include "dict0boot.h" -#include "ha_prototypes.h" -#include "ut0mem.h" -#include "ibuf0ibuf.h" -} - -#include "ha_innodb.h" -#include "i_s.h" - -#ifndef MYSQL_SERVER -# ifndef MYSQL_PLUGIN_IMPORT -# define MYSQL_PLUGIN_IMPORT /* nothing */ -# endif /* MYSQL_PLUGIN_IMPORT */ - -#if MYSQL_VERSION_ID < 50124 -/* this is defined in mysql_priv.h inside #ifdef MYSQL_SERVER -but we need it here */ -bool check_global_access(THD *thd, ulong want_access); -#endif /* MYSQL_VERSION_ID < 50124 */ -#endif /* MYSQL_SERVER */ - -/** to protect innobase_open_files */ -static pthread_mutex_t innobase_share_mutex; -/** to force correct commit order in binlog */ -static pthread_mutex_t prepare_commit_mutex; -static ulong commit_threads = 0; -static pthread_mutex_t commit_threads_m; -static pthread_cond_t commit_cond; -static pthread_mutex_t commit_cond_m; -static pthread_mutex_t analyze_mutex; -static bool innodb_inited = 0; - -#define INSIDE_HA_INNOBASE_CC - -/* In the Windows plugin, the return value of current_thd is -undefined. Map it to NULL. */ - -#define EQ_CURRENT_THD(thd) ((thd) == current_thd) - - -static struct handlerton* innodb_hton_ptr; - -static const long AUTOINC_OLD_STYLE_LOCKING = 0; -static const long AUTOINC_NEW_STYLE_LOCKING = 1; -static const long AUTOINC_NO_LOCKING = 2; - -static long innobase_mirrored_log_groups, innobase_log_files_in_group, - innobase_log_buffer_size, - innobase_additional_mem_pool_size, innobase_file_io_threads, - innobase_force_recovery, innobase_open_files, - innobase_autoinc_lock_mode; -static ulong innobase_commit_concurrency = 0; -static ulong innobase_read_io_threads; -static ulong innobase_write_io_threads; - -static long long innobase_buffer_pool_size, innobase_log_file_size; - -/** Percentage of the buffer pool to reserve for 'old' blocks. -Connected to buf_LRU_old_ratio. */ -static uint innobase_old_blocks_pct; - -/* The default values for the following char* start-up parameters -are determined in innobase_init below: */ - -static char* innobase_data_home_dir = NULL; -static char* innobase_data_file_path = NULL; -static char* innobase_log_group_home_dir = NULL; -static char* innobase_file_format_name = NULL; -static char* innobase_change_buffering = NULL; - -/* Note: This variable can be set to on/off and any of the supported -file formats in the configuration file, but can only be set to any -of the supported file formats during runtime. */ -static char* innobase_file_format_check = NULL; - -static char* innobase_file_flush_method = NULL; - -/* Below we have boolean-valued start-up parameters, and their default -values */ - -static ulong innobase_fast_shutdown = 1; -#ifdef UNIV_LOG_ARCHIVE -static my_bool innobase_log_archive = FALSE; -static char* innobase_log_arch_dir = NULL; -#endif /* UNIV_LOG_ARCHIVE */ -static my_bool innobase_use_doublewrite = TRUE; -static my_bool innobase_use_checksums = TRUE; -static my_bool innobase_locks_unsafe_for_binlog = FALSE; -static my_bool innobase_rollback_on_timeout = FALSE; -static my_bool innobase_create_status_file = FALSE; -static my_bool innobase_stats_on_metadata = TRUE; - -static char* internal_innobase_data_file_path = NULL; - -static char* innodb_version_str = (char*) INNODB_VERSION_STR; - -/* The following counter is used to convey information to InnoDB -about server activity: in selects it is not sensible to call -srv_active_wake_master_thread after each fetch or search, we only do -it every INNOBASE_WAKE_INTERVAL'th step. */ - -#define INNOBASE_WAKE_INTERVAL 32 -static ulong innobase_active_counter = 0; - -static hash_table_t* innobase_open_tables; - -#ifdef __NETWARE__ /* some special cleanup for NetWare */ -bool nw_panic = FALSE; -#endif - -/** Allowed values of innodb_change_buffering */ -static const char* innobase_change_buffering_values[IBUF_USE_COUNT] = { - "none", /* IBUF_USE_NONE */ - "inserts", /* IBUF_USE_INSERT */ - "deletes", /* IBUF_USE_DELETE_MARK */ - "changes", /* IBUF_USE_INSERT_DELETE_MARK */ - "purges", /* IBUF_USE_DELETE */ - "all" /* IBUF_USE_ALL */ -}; - -static INNOBASE_SHARE *get_share(const char *table_name); -static void free_share(INNOBASE_SHARE *share); -static int innobase_close_connection(handlerton *hton, THD* thd); -static int innobase_commit(handlerton *hton, THD* thd, bool all); -static int innobase_rollback(handlerton *hton, THD* thd, bool all); -static int innobase_rollback_to_savepoint(handlerton *hton, THD* thd, - void *savepoint); -static int innobase_savepoint(handlerton *hton, THD* thd, void *savepoint); -static int innobase_release_savepoint(handlerton *hton, THD* thd, - void *savepoint); -static handler *innobase_create_handler(handlerton *hton, - TABLE_SHARE *table, - MEM_ROOT *mem_root); - -/* "GEN_CLUST_INDEX" is the name reserved for Innodb default -system primary index. */ -static const char innobase_index_reserve_name[]= "GEN_CLUST_INDEX"; - -/** @brief Initialize the default value of innodb_commit_concurrency. - -Once InnoDB is running, the innodb_commit_concurrency must not change -from zero to nonzero. (Bug #42101) - -The initial default value is 0, and without this extra initialization, -SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter -to 0, even if it was initially set to nonzero at the command line -or configuration file. */ -static -void -innobase_commit_concurrency_init_default(void); -/*==========================================*/ - -/************************************************************//** -Validate the file format name and return its corresponding id. -@return valid file format id */ -static -uint -innobase_file_format_name_lookup( -/*=============================*/ - const char* format_name); /*!< in: pointer to file format - name */ -/************************************************************//** -Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. -@return true if one of "on" or "off" */ -static -bool -innobase_file_format_check_on_off( -/*==============================*/ - const char* format_check); /*!< in: parameter value */ -/************************************************************//** -Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. -@return the format_id if valid config value, otherwise, return -1 */ -static -int -innobase_file_format_validate_and_set( -/*================================*/ - const char* format_check); /*!< in: parameter value */ -/****************************************************************//** -Return alter table flags supported in an InnoDB database. */ -static -uint -innobase_alter_table_flags( -/*=======================*/ - uint flags); - -static const char innobase_hton_name[]= "InnoDB"; - -/*************************************************************//** -Check for a valid value of innobase_commit_concurrency. -@return 0 for valid innodb_commit_concurrency */ -static -int -innobase_commit_concurrency_validate( -/*=================================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to system - variable */ - void* save, /*!< out: immediate result - for update function */ - struct st_mysql_value* value) /*!< in: incoming string */ -{ - long long intbuf; - ulong commit_concurrency; - - DBUG_ENTER("innobase_commit_concurrency_validate"); - - if (value->val_int(value, &intbuf)) { - /* The value is NULL. That is invalid. */ - DBUG_RETURN(1); - } - - *reinterpret_cast(save) = commit_concurrency - = static_cast(intbuf); - - /* Allow the value to be updated, as long as it remains zero - or nonzero. */ - DBUG_RETURN(!(!commit_concurrency == !innobase_commit_concurrency)); -} - -static MYSQL_THDVAR_BOOL(support_xa, PLUGIN_VAR_OPCMDARG, - "Enable InnoDB support for the XA two-phase commit", - /* check_func */ NULL, /* update_func */ NULL, - /* default */ TRUE); - -static MYSQL_THDVAR_BOOL(table_locks, PLUGIN_VAR_OPCMDARG, - "Enable InnoDB locking in LOCK TABLES", - /* check_func */ NULL, /* update_func */ NULL, - /* default */ TRUE); - -static MYSQL_THDVAR_BOOL(strict_mode, PLUGIN_VAR_OPCMDARG, - "Use strict mode when evaluating create options.", - NULL, NULL, FALSE); - -static MYSQL_THDVAR_ULONG(lock_wait_timeout, PLUGIN_VAR_RQCMDARG, - "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.", - NULL, NULL, 50, 1, 1024 * 1024 * 1024, 0); - - -static handler *innobase_create_handler(handlerton *hton, - TABLE_SHARE *table, - MEM_ROOT *mem_root) -{ - return new (mem_root) ha_innobase(hton, table); -} - -/*******************************************************************//** -This function is used to prepare an X/Open XA distributed transaction. -@return 0 or error number */ -static -int -innobase_xa_prepare( -/*================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - THD* thd, /*!< in: handle to the MySQL thread of - the user whose XA transaction should - be prepared */ - bool all); /*!< in: TRUE - commit transaction - FALSE - the current SQL statement - ended */ -/*******************************************************************//** -This function is used to recover X/Open XA distributed transactions. -@return number of prepared transactions stored in xid_list */ -static -int -innobase_xa_recover( -/*================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - XID* xid_list,/*!< in/out: prepared transactions */ - uint len); /*!< in: number of slots in xid_list */ -/*******************************************************************//** -This function is used to commit one X/Open XA distributed transaction -which is in the prepared state -@return 0 or error number */ -static -int -innobase_commit_by_xid( -/*===================*/ - handlerton* hton, - XID* xid); /*!< in: X/Open XA transaction identification */ -/*******************************************************************//** -This function is used to rollback one X/Open XA distributed transaction -which is in the prepared state -@return 0 or error number */ -static -int -innobase_rollback_by_xid( -/*=====================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - XID* xid); /*!< in: X/Open XA transaction - identification */ -/*******************************************************************//** -Create a consistent view for a cursor based on current transaction -which is created if the corresponding MySQL thread still lacks one. -This consistent view is then used inside of MySQL when accessing records -using a cursor. -@return pointer to cursor view or NULL */ -static -void* -innobase_create_cursor_view( -/*========================*/ - handlerton* hton, /*!< in: innobase hton */ - THD* thd); /*!< in: user thread handle */ -/*******************************************************************//** -Set the given consistent cursor view to a transaction which is created -if the corresponding MySQL thread still lacks one. If the given -consistent cursor view is NULL global read view of a transaction is -restored to a transaction read view. */ -static -void -innobase_set_cursor_view( -/*=====================*/ - handlerton* hton, - THD* thd, /*!< in: user thread handle */ - void* curview);/*!< in: Consistent cursor view to be set */ -/*******************************************************************//** -Close the given consistent cursor view of a transaction and restore -global read view to a transaction read view. Transaction is created if the -corresponding MySQL thread still lacks one. */ -static -void -innobase_close_cursor_view( -/*=======================*/ - handlerton* hton, - THD* thd, /*!< in: user thread handle */ - void* curview);/*!< in: Consistent read view to be closed */ -/*****************************************************************//** -Removes all tables in the named database inside InnoDB. */ -static -void -innobase_drop_database( -/*===================*/ - handlerton* hton, /*!< in: handlerton of Innodb */ - char* path); /*!< in: database path; inside InnoDB the name - of the last directory in the path is used as - the database name: for example, in 'mysql/data/test' - the database name is 'test' */ -/*******************************************************************//** -Closes an InnoDB database. */ -static -int -innobase_end(handlerton *hton, ha_panic_function type); - -/*****************************************************************//** -Creates an InnoDB transaction struct for the thd if it does not yet have one. -Starts a new InnoDB transaction if a transaction is not yet started. And -assigns a new snapshot for a consistent read if the transaction does not yet -have one. -@return 0 */ -static -int -innobase_start_trx_and_assign_read_view( -/*====================================*/ - handlerton* hton, /*!< in: Innodb handlerton */ - THD* thd); /*!< in: MySQL thread handle of the user for whom - the transaction should be committed */ -/****************************************************************//** -Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes -the logs, and the name of this function should be innobase_checkpoint. -@return TRUE if error */ -static -bool -innobase_flush_logs( -/*================*/ - handlerton* hton); /*!< in: InnoDB handlerton */ - -/************************************************************************//** -Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB -Monitor to the client. */ -static -bool -innodb_show_status( -/*===============*/ - handlerton* hton, /*!< in: the innodb handlerton */ - THD* thd, /*!< in: the MySQL query thread of the caller */ - stat_print_fn *stat_print); -static -bool innobase_show_status(handlerton *hton, THD* thd, - stat_print_fn* stat_print, - enum ha_stat_type stat_type); - -/*****************************************************************//** -Commits a transaction in an InnoDB database. */ -static -void -innobase_commit_low( -/*================*/ - trx_t* trx); /*!< in: transaction handle */ - -static SHOW_VAR innodb_status_variables[]= { - {"buffer_pool_pages_data", - (char*) &export_vars.innodb_buffer_pool_pages_data, SHOW_LONG}, - {"buffer_pool_pages_dirty", - (char*) &export_vars.innodb_buffer_pool_pages_dirty, SHOW_LONG}, - {"buffer_pool_pages_flushed", - (char*) &export_vars.innodb_buffer_pool_pages_flushed, SHOW_LONG}, - {"buffer_pool_pages_free", - (char*) &export_vars.innodb_buffer_pool_pages_free, SHOW_LONG}, -#ifdef UNIV_DEBUG - {"buffer_pool_pages_latched", - (char*) &export_vars.innodb_buffer_pool_pages_latched, SHOW_LONG}, -#endif /* UNIV_DEBUG */ - {"buffer_pool_pages_misc", - (char*) &export_vars.innodb_buffer_pool_pages_misc, SHOW_LONG}, - {"buffer_pool_pages_total", - (char*) &export_vars.innodb_buffer_pool_pages_total, SHOW_LONG}, - {"buffer_pool_read_ahead", - (char*) &export_vars.innodb_buffer_pool_read_ahead, SHOW_LONG}, - {"buffer_pool_read_ahead_evicted", - (char*) &export_vars.innodb_buffer_pool_read_ahead_evicted, SHOW_LONG}, - {"buffer_pool_read_requests", - (char*) &export_vars.innodb_buffer_pool_read_requests, SHOW_LONG}, - {"buffer_pool_reads", - (char*) &export_vars.innodb_buffer_pool_reads, SHOW_LONG}, - {"buffer_pool_wait_free", - (char*) &export_vars.innodb_buffer_pool_wait_free, SHOW_LONG}, - {"buffer_pool_write_requests", - (char*) &export_vars.innodb_buffer_pool_write_requests, SHOW_LONG}, - {"data_fsyncs", - (char*) &export_vars.innodb_data_fsyncs, SHOW_LONG}, - {"data_pending_fsyncs", - (char*) &export_vars.innodb_data_pending_fsyncs, SHOW_LONG}, - {"data_pending_reads", - (char*) &export_vars.innodb_data_pending_reads, SHOW_LONG}, - {"data_pending_writes", - (char*) &export_vars.innodb_data_pending_writes, SHOW_LONG}, - {"data_read", - (char*) &export_vars.innodb_data_read, SHOW_LONG}, - {"data_reads", - (char*) &export_vars.innodb_data_reads, SHOW_LONG}, - {"data_writes", - (char*) &export_vars.innodb_data_writes, SHOW_LONG}, - {"data_written", - (char*) &export_vars.innodb_data_written, SHOW_LONG}, - {"dblwr_pages_written", - (char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG}, - {"dblwr_writes", - (char*) &export_vars.innodb_dblwr_writes, SHOW_LONG}, - {"have_atomic_builtins", - (char*) &export_vars.innodb_have_atomic_builtins, SHOW_BOOL}, - {"log_waits", - (char*) &export_vars.innodb_log_waits, SHOW_LONG}, - {"log_write_requests", - (char*) &export_vars.innodb_log_write_requests, SHOW_LONG}, - {"log_writes", - (char*) &export_vars.innodb_log_writes, SHOW_LONG}, - {"os_log_fsyncs", - (char*) &export_vars.innodb_os_log_fsyncs, SHOW_LONG}, - {"os_log_pending_fsyncs", - (char*) &export_vars.innodb_os_log_pending_fsyncs, SHOW_LONG}, - {"os_log_pending_writes", - (char*) &export_vars.innodb_os_log_pending_writes, SHOW_LONG}, - {"os_log_written", - (char*) &export_vars.innodb_os_log_written, SHOW_LONG}, - {"page_size", - (char*) &export_vars.innodb_page_size, SHOW_LONG}, - {"pages_created", - (char*) &export_vars.innodb_pages_created, SHOW_LONG}, - {"pages_read", - (char*) &export_vars.innodb_pages_read, SHOW_LONG}, - {"pages_written", - (char*) &export_vars.innodb_pages_written, SHOW_LONG}, - {"row_lock_current_waits", - (char*) &export_vars.innodb_row_lock_current_waits, SHOW_LONG}, - {"row_lock_time", - (char*) &export_vars.innodb_row_lock_time, SHOW_LONGLONG}, - {"row_lock_time_avg", - (char*) &export_vars.innodb_row_lock_time_avg, SHOW_LONG}, - {"row_lock_time_max", - (char*) &export_vars.innodb_row_lock_time_max, SHOW_LONG}, - {"row_lock_waits", - (char*) &export_vars.innodb_row_lock_waits, SHOW_LONG}, - {"rows_deleted", - (char*) &export_vars.innodb_rows_deleted, SHOW_LONG}, - {"rows_inserted", - (char*) &export_vars.innodb_rows_inserted, SHOW_LONG}, - {"rows_read", - (char*) &export_vars.innodb_rows_read, SHOW_LONG}, - {"rows_updated", - (char*) &export_vars.innodb_rows_updated, SHOW_LONG}, - {NullS, NullS, SHOW_LONG} -}; - -/* General functions */ - -/******************************************************************//** -Returns true if the thread is the replication thread on the slave -server. Used in srv_conc_enter_innodb() to determine if the thread -should be allowed to enter InnoDB - the replication thread is treated -differently than other threads. Also used in -srv_conc_force_exit_innodb(). -@return true if thd is the replication thread */ -extern "C" UNIV_INTERN -ibool -thd_is_replication_slave_thread( -/*============================*/ - void* thd) /*!< in: thread handle (THD*) */ -{ - return((ibool) thd_slave_thread((THD*) thd)); -} - -/******************************************************************//** -Save some CPU by testing the value of srv_thread_concurrency in inline -functions. */ -static inline -void -innodb_srv_conc_enter_innodb( -/*=========================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - if (UNIV_LIKELY(!srv_thread_concurrency)) { - - return; - } - - srv_conc_enter_innodb(trx); -} - -/******************************************************************//** -Save some CPU by testing the value of srv_thread_concurrency in inline -functions. */ -static inline -void -innodb_srv_conc_exit_innodb( -/*========================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - if (UNIV_LIKELY(!trx->declared_to_be_inside_innodb)) { - - return; - } - - srv_conc_exit_innodb(trx); -} - -/******************************************************************//** -Releases possible search latch and InnoDB thread FIFO ticket. These should -be released at each SQL statement end, and also when mysqld passes the -control to the client. It does no harm to release these also in the middle -of an SQL statement. */ -static inline -void -innobase_release_stat_resources( -/*============================*/ - trx_t* trx) /*!< in: transaction object */ -{ - if (trx->has_search_latch) { - trx_search_latch_release_if_reserved(trx); - } - - if (trx->declared_to_be_inside_innodb) { - /* Release our possible ticket in the FIFO */ - - srv_conc_force_exit_innodb(trx); - } -} - -/******************************************************************//** -Returns true if the transaction this thread is processing has edited -non-transactional tables. Used by the deadlock detector when deciding -which transaction to rollback in case of a deadlock - we try to avoid -rolling back transactions that have edited non-transactional tables. -@return true if non-transactional tables have been edited */ -extern "C" UNIV_INTERN -ibool -thd_has_edited_nontrans_tables( -/*===========================*/ - void* thd) /*!< in: thread handle (THD*) */ -{ - return((ibool) thd_non_transactional_update((THD*) thd)); -} - -/******************************************************************//** -Returns true if the thread is executing a SELECT statement. -@return true if thd is executing SELECT */ -extern "C" UNIV_INTERN -ibool -thd_is_select( -/*==========*/ - const void* thd) /*!< in: thread handle (THD*) */ -{ - return(thd_sql_command((const THD*) thd) == SQLCOM_SELECT); -} - -/******************************************************************//** -Returns true if the thread supports XA, -global value of innodb_supports_xa if thd is NULL. -@return true if thd has XA support */ -extern "C" UNIV_INTERN -ibool -thd_supports_xa( -/*============*/ - void* thd) /*!< in: thread handle (THD*), or NULL to query - the global innodb_supports_xa */ -{ - return(THDVAR((THD*) thd, support_xa)); -} - -/******************************************************************//** -Returns the lock wait timeout for the current connection. -@return the lock wait timeout, in seconds */ -extern "C" UNIV_INTERN -ulong -thd_lock_wait_timeout( -/*==================*/ - void* thd) /*!< in: thread handle (THD*), or NULL to query - the global innodb_lock_wait_timeout */ -{ - /* According to , passing thd == NULL - returns the global value of the session variable. */ - return(THDVAR((THD*) thd, lock_wait_timeout)); -} - -/********************************************************************//** -Obtain the InnoDB transaction of a MySQL thread. -@return reference to transaction pointer */ -static inline -trx_t*& -thd_to_trx( -/*=======*/ - THD* thd) /*!< in: MySQL thread */ -{ - return(*(trx_t**) thd_ha_data(thd, innodb_hton_ptr)); -} - -/********************************************************************//** -Call this function when mysqld passes control to the client. That is to -avoid deadlocks on the adaptive hash S-latch possibly held by thd. For more -documentation, see handler.cc. -@return 0 */ -static -int -innobase_release_temporary_latches( -/*===============================*/ - handlerton* hton, /*!< in: handlerton */ - THD* thd) /*!< in: MySQL thread */ -{ - trx_t* trx; - - DBUG_ASSERT(hton == innodb_hton_ptr); - - if (!innodb_inited) { - - return(0); - } - - trx = thd_to_trx(thd); - - if (trx) { - innobase_release_stat_resources(trx); - } - return(0); -} - -/********************************************************************//** -Increments innobase_active_counter and every INNOBASE_WAKE_INTERVALth -time calls srv_active_wake_master_thread. This function should be used -when a single database operation may introduce a small need for -server utility activity, like checkpointing. */ -static inline -void -innobase_active_small(void) -/*=======================*/ -{ - innobase_active_counter++; - - if ((innobase_active_counter % INNOBASE_WAKE_INTERVAL) == 0) { - srv_active_wake_master_thread(); - } -} - -/********************************************************************//** -Converts an InnoDB error code to a MySQL error code and also tells to MySQL -about a possible transaction rollback inside InnoDB caused by a lock wait -timeout or a deadlock. -@return MySQL error code */ -extern "C" UNIV_INTERN -int -convert_error_code_to_mysql( -/*========================*/ - int error, /*!< in: InnoDB error code */ - ulint flags, /*!< in: InnoDB table flags, or 0 */ - THD* thd) /*!< in: user thread handle or NULL */ -{ - switch (error) { - case DB_SUCCESS: - return(0); - - case DB_INTERRUPTED: - my_error(ER_QUERY_INTERRUPTED, MYF(0)); - /* fall through */ - case DB_ERROR: - default: - return(-1); /* unspecified error */ - - case DB_DUPLICATE_KEY: - /* Be cautious with returning this error, since - mysql could re-enter the storage layer to get - duplicated key info, the operation requires a - valid table handle and/or transaction information, - which might not always be available in the error - handling stage. */ - return(HA_ERR_FOUND_DUPP_KEY); - - case DB_FOREIGN_DUPLICATE_KEY: - return(HA_ERR_FOREIGN_DUPLICATE_KEY); - - case DB_MISSING_HISTORY: - return(HA_ERR_TABLE_DEF_CHANGED); - - case DB_RECORD_NOT_FOUND: - return(HA_ERR_NO_ACTIVE_RECORD); - - case DB_DEADLOCK: - /* Since we rolled back the whole transaction, we must - tell it also to MySQL so that MySQL knows to empty the - cached binlog for this transaction */ - - if (thd) { - thd_mark_transaction_to_rollback(thd, TRUE); - } - - return(HA_ERR_LOCK_DEADLOCK); - - case DB_LOCK_WAIT_TIMEOUT: - /* Starting from 5.0.13, we let MySQL just roll back the - latest SQL statement in a lock wait timeout. Previously, we - rolled back the whole transaction. */ - - if (thd) { - thd_mark_transaction_to_rollback( - thd, (bool)row_rollback_on_timeout); - } - - return(HA_ERR_LOCK_WAIT_TIMEOUT); - - case DB_NO_REFERENCED_ROW: - return(HA_ERR_NO_REFERENCED_ROW); - - case DB_ROW_IS_REFERENCED: - return(HA_ERR_ROW_IS_REFERENCED); - - case DB_CANNOT_ADD_CONSTRAINT: - return(HA_ERR_CANNOT_ADD_FOREIGN); - - case DB_CANNOT_DROP_CONSTRAINT: - - return(HA_ERR_ROW_IS_REFERENCED); /* TODO: This is a bit - misleading, a new MySQL error - code should be introduced */ - - case DB_COL_APPEARS_TWICE_IN_INDEX: - case DB_CORRUPTION: - return(HA_ERR_CRASHED); - - case DB_OUT_OF_FILE_SPACE: - return(HA_ERR_RECORD_FILE_FULL); - - case DB_TABLE_IS_BEING_USED: - return(HA_ERR_WRONG_COMMAND); - - case DB_TABLE_NOT_FOUND: - return(HA_ERR_NO_SUCH_TABLE); - - case DB_TOO_BIG_RECORD: - my_error(ER_TOO_BIG_ROWSIZE, MYF(0), - page_get_free_space_of_empty(flags - & DICT_TF_COMPACT) / 2); - return(HA_ERR_TO_BIG_ROW); - - case DB_NO_SAVEPOINT: - return(HA_ERR_NO_SAVEPOINT); - - case DB_LOCK_TABLE_FULL: - /* Since we rolled back the whole transaction, we must - tell it also to MySQL so that MySQL knows to empty the - cached binlog for this transaction */ - - if (thd) { - thd_mark_transaction_to_rollback(thd, TRUE); - } - - return(HA_ERR_LOCK_TABLE_FULL); - - case DB_PRIMARY_KEY_IS_NULL: - return(ER_PRIMARY_CANT_HAVE_NULL); - - case DB_TOO_MANY_CONCURRENT_TRXS: - /* New error code HA_ERR_TOO_MANY_CONCURRENT_TRXS is only - available in 5.1.38 and later, but the plugin should still - work with previous versions of MySQL. */ -#ifdef HA_ERR_TOO_MANY_CONCURRENT_TRXS - return(HA_ERR_TOO_MANY_CONCURRENT_TRXS); -#else /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ - return(HA_ERR_RECORD_FILE_FULL); -#endif /* HA_ERR_TOO_MANY_CONCURRENT_TRXS */ - case DB_UNSUPPORTED: - return(HA_ERR_UNSUPPORTED); - } -} - -/*************************************************************//** -Prints info of a THD object (== user session thread) to the given file. */ -extern "C" UNIV_INTERN -void -innobase_mysql_print_thd( -/*=====================*/ - FILE* f, /*!< in: output stream */ - void* thd, /*!< in: pointer to a MySQL THD object */ - uint max_query_len) /*!< in: max query length to print, or 0 to - use the default max length */ -{ - char buffer[1024]; - - fputs(thd_security_context((THD*) thd, buffer, sizeof buffer, - max_query_len), f); - putc('\n', f); -} - -/******************************************************************//** -Get the variable length bounds of the given character set. */ -extern "C" UNIV_INTERN -void -innobase_get_cset_width( -/*====================*/ - ulint cset, /*!< in: MySQL charset-collation code */ - ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ - ulint* mbmaxlen) /*!< out: maximum length of a char (in bytes) */ -{ - CHARSET_INFO* cs; - ut_ad(cset < 256); - ut_ad(mbminlen); - ut_ad(mbmaxlen); - - cs = all_charsets[cset]; - if (cs) { - *mbminlen = cs->mbminlen; - *mbmaxlen = cs->mbmaxlen; - } else { - THD* thd = current_thd; - - if (thd && thd_sql_command(thd) == SQLCOM_DROP_TABLE) { - - /* Fix bug#46256: allow tables to be dropped if the - collation is not found, but issue a warning. */ - if ((global_system_variables.log_warnings) - && (cset != 0)){ - - sql_print_warning( - "Unknown collation #%lu.", cset); - } - } else { - - ut_a(cset == 0); - } - - *mbminlen = *mbmaxlen = 0; - } -} - -/******************************************************************//** -Converts an identifier to a table name. */ -extern "C" UNIV_INTERN -void -innobase_convert_from_table_id( -/*===========================*/ - struct charset_info_st* cs, /*!< in: the 'from' character set */ - char* to, /*!< out: converted identifier */ - const char* from, /*!< in: identifier to convert */ - ulint len) /*!< in: length of 'to', in bytes */ -{ - uint errors; - - strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors); -} - -/******************************************************************//** -Converts an identifier to UTF-8. */ -extern "C" UNIV_INTERN -void -innobase_convert_from_id( -/*=====================*/ - struct charset_info_st* cs, /*!< in: the 'from' character set */ - char* to, /*!< out: converted identifier */ - const char* from, /*!< in: identifier to convert */ - ulint len) /*!< in: length of 'to', in bytes */ -{ - uint errors; - - strconvert(cs, from, system_charset_info, to, (uint) len, &errors); -} - -/******************************************************************//** -Compares NUL-terminated UTF-8 strings case insensitively. -@return 0 if a=b, <0 if a1 if a>b */ -extern "C" UNIV_INTERN -int -innobase_strcasecmp( -/*================*/ - const char* a, /*!< in: first string to compare */ - const char* b) /*!< in: second string to compare */ -{ - return(my_strcasecmp(system_charset_info, a, b)); -} - -/******************************************************************//** -Makes all characters in a NUL-terminated UTF-8 string lower case. */ -extern "C" UNIV_INTERN -void -innobase_casedn_str( -/*================*/ - char* a) /*!< in/out: string to put in lower case */ -{ - my_casedn_str(system_charset_info, a); -} - -/**********************************************************************//** -Determines the connection character set. -@return connection character set */ -extern "C" UNIV_INTERN -struct charset_info_st* -innobase_get_charset( -/*=================*/ - void* mysql_thd) /*!< in: MySQL thread handle */ -{ - return(thd_charset((THD*) mysql_thd)); -} - -#if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) -extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list; -/*******************************************************************//** -Map an OS error to an errno value. The OS error number is stored in -_doserrno and the mapped value is stored in errno) */ -extern "C" -void __cdecl -_dosmaperr( - unsigned long); /*!< in: OS error value */ - -/*********************************************************************//** -Creates a temporary file. -@return temporary file descriptor, or < 0 on error */ -extern "C" UNIV_INTERN -int -innobase_mysql_tmpfile(void) -/*========================*/ -{ - int fd; /* handle of opened file */ - HANDLE osfh; /* OS handle of opened file */ - char* tmpdir; /* point to the directory - where to create file */ - TCHAR path_buf[MAX_PATH - 14]; /* buffer for tmp file path. - The length cannot be longer - than MAX_PATH - 14, or - GetTempFileName will fail. */ - char filename[MAX_PATH]; /* name of the tmpfile */ - DWORD fileaccess = GENERIC_READ /* OS file access */ - | GENERIC_WRITE - | DELETE; - DWORD fileshare = FILE_SHARE_READ /* OS file sharing mode */ - | FILE_SHARE_WRITE - | FILE_SHARE_DELETE; - DWORD filecreate = CREATE_ALWAYS; /* OS method of open/create */ - DWORD fileattrib = /* OS file attribute flags */ - FILE_ATTRIBUTE_NORMAL - | FILE_FLAG_DELETE_ON_CLOSE - | FILE_ATTRIBUTE_TEMPORARY - | FILE_FLAG_SEQUENTIAL_SCAN; - - DBUG_ENTER("innobase_mysql_tmpfile"); - - tmpdir = my_tmpdir(&mysql_tmpdir_list); - - /* The tmpdir parameter can not be NULL for GetTempFileName. */ - if (!tmpdir) { - uint ret; - - /* Use GetTempPath to determine path for temporary files. */ - ret = GetTempPath(sizeof(path_buf), path_buf); - if (ret > sizeof(path_buf) || (ret == 0)) { - - _dosmaperr(GetLastError()); /* map error */ - DBUG_RETURN(-1); - } - - tmpdir = path_buf; - } - - /* Use GetTempFileName to generate a unique filename. */ - if (!GetTempFileName(tmpdir, "ib", 0, filename)) { - - _dosmaperr(GetLastError()); /* map error */ - DBUG_RETURN(-1); - } - - DBUG_PRINT("info", ("filename: %s", filename)); - - /* Open/Create the file. */ - osfh = CreateFile(filename, fileaccess, fileshare, NULL, - filecreate, fileattrib, NULL); - if (osfh == INVALID_HANDLE_VALUE) { - - /* open/create file failed! */ - _dosmaperr(GetLastError()); /* map error */ - DBUG_RETURN(-1); - } - - do { - /* Associates a CRT file descriptor with the OS file handle. */ - fd = _open_osfhandle((intptr_t) osfh, 0); - } while (fd == -1 && errno == EINTR); - - if (fd == -1) { - /* Open failed, close the file handle. */ - - _dosmaperr(GetLastError()); /* map error */ - CloseHandle(osfh); /* no need to check if - CloseHandle fails */ - } - - DBUG_RETURN(fd); -} -#else -/*********************************************************************//** -Creates a temporary file. -@return temporary file descriptor, or < 0 on error */ -extern "C" UNIV_INTERN -int -innobase_mysql_tmpfile(void) -/*========================*/ -{ - int fd2 = -1; - File fd = mysql_tmpfile("ib"); - if (fd >= 0) { - /* Copy the file descriptor, so that the additional resources - allocated by create_temp_file() can be freed by invoking - my_close(). - - Because the file descriptor returned by this function - will be passed to fdopen(), it will be closed by invoking - fclose(), which in turn will invoke close() instead of - my_close(). */ - -#ifdef _WIN32 - /* Note that on Windows, the integer returned by mysql_tmpfile - has no relation to C runtime file descriptor. Here, we need - to call my_get_osfhandle to get the HANDLE and then convert it - to C runtime filedescriptor. */ - { - HANDLE hFile = my_get_osfhandle(fd); - HANDLE hDup; - BOOL bOK = - DuplicateHandle(GetCurrentProcess(), hFile, GetCurrentProcess(), - &hDup, 0, FALSE, DUPLICATE_SAME_ACCESS); - if(bOK) { - fd2 = _open_osfhandle((intptr_t)hDup,0); - } - else { - my_osmaperr(GetLastError()); - fd2 = -1; - } - } -#else - fd2 = dup(fd); -#endif - if (fd2 < 0) { - DBUG_PRINT("error",("Got error %d on dup",fd2)); - my_errno=errno; - my_error(EE_OUT_OF_FILERESOURCES, - MYF(ME_BELL+ME_WAITTANG), - "ib*", my_errno); - } - my_close(fd, MYF(MY_WME)); - } - return(fd2); -} -#endif /* defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) */ - -/*********************************************************************//** -Wrapper around MySQL's copy_and_convert function. -@return number of bytes copied to 'to' */ -extern "C" UNIV_INTERN -ulint -innobase_convert_string( -/*====================*/ - void* to, /*!< out: converted string */ - ulint to_length, /*!< in: number of bytes reserved - for the converted string */ - CHARSET_INFO* to_cs, /*!< in: character set to convert to */ - const void* from, /*!< in: string to convert */ - ulint from_length, /*!< in: number of bytes to convert */ - CHARSET_INFO* from_cs, /*!< in: character set to convert from */ - uint* errors) /*!< out: number of errors encountered - during the conversion */ -{ - return(copy_and_convert((char*)to, (uint32) to_length, to_cs, - (const char*)from, (uint32) from_length, from_cs, - errors)); -} - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) that is of -type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes -the result to "buf". The result is converted to "system_charset_info". -Not more than "buf_size" bytes are written to "buf". -The result is always NUL-terminated (provided buf_size > 0) and the -number of bytes that were written to "buf" is returned (including the -terminating NUL). -@return number of bytes that were written */ -extern "C" UNIV_INTERN -ulint -innobase_raw_format( -/*================*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - ulint charset_coll, /*!< in: charset collation */ - char* buf, /*!< out: output buffer */ - ulint buf_size) /*!< in: output buffer size - in bytes */ -{ - /* XXX we use a hard limit instead of allocating - but_size bytes from the heap */ - CHARSET_INFO* data_cs; - char buf_tmp[8192]; - ulint buf_tmp_used; - uint num_errors; - - data_cs = all_charsets[charset_coll]; - - buf_tmp_used = innobase_convert_string(buf_tmp, sizeof(buf_tmp), - system_charset_info, - data, data_len, data_cs, - &num_errors); - - return(ut_str_sql_format(buf_tmp, buf_tmp_used, buf, buf_size)); -} - -/*********************************************************************//** -Compute the next autoinc value. - -For MySQL replication the autoincrement values can be partitioned among -the nodes. The offset is the start or origin of the autoincrement value -for a particular node. For n nodes the increment will be n and the offset -will be in the interval [1, n]. The formula tries to allocate the next -value for a particular node. - -Note: This function is also called with increment set to the number of -values we want to reserve for multi-value inserts e.g., - - INSERT INTO T VALUES(), (), (); - -innobase_next_autoinc() will be called with increment set to -n * 3 where autoinc_lock_mode != TRADITIONAL because we want -to reserve 3 values for the multi-value INSERT above. -@return the next value */ -static -ulonglong -innobase_next_autoinc( -/*==================*/ - ulonglong current, /*!< in: Current value */ - ulonglong increment, /*!< in: increment current by */ - ulonglong offset, /*!< in: AUTOINC offset */ - ulonglong max_value) /*!< in: max value for type */ -{ - ulonglong next_value; - - /* Should never be 0. */ - ut_a(increment > 0); - - /* According to MySQL documentation, if the offset is greater than - the increment then the offset is ignored. */ - if (offset > increment) { - offset = 0; - } - - if (max_value <= current) { - next_value = max_value; - } else if (offset <= 1) { - /* Offset 0 and 1 are the same, because there must be at - least one node in the system. */ - if (max_value - current <= increment) { - next_value = max_value; - } else { - next_value = current + increment; - } - } else if (max_value > current) { - if (current > offset) { - next_value = ((current - offset) / increment) + 1; - } else { - next_value = ((offset - current) / increment) + 1; - } - - ut_a(increment > 0); - ut_a(next_value > 0); - - /* Check for multiplication overflow. */ - if (increment > (max_value / next_value)) { - - next_value = max_value; - } else { - next_value *= increment; - - ut_a(max_value >= next_value); - - /* Check for overflow. */ - if (max_value - next_value <= offset) { - next_value = max_value; - } else { - next_value += offset; - } - } - } else { - next_value = max_value; - } - - ut_a(next_value <= max_value); - - return(next_value); -} - -/*********************************************************************//** -Initializes some fields in an InnoDB transaction object. */ -static -void -innobase_trx_init( -/*==============*/ - THD* thd, /*!< in: user thread handle */ - trx_t* trx) /*!< in/out: InnoDB transaction handle */ -{ - DBUG_ENTER("innobase_trx_init"); - DBUG_ASSERT(EQ_CURRENT_THD(thd)); - DBUG_ASSERT(thd == trx->mysql_thd); - - trx->check_foreigns = !thd_test_options( - thd, OPTION_NO_FOREIGN_KEY_CHECKS); - - trx->check_unique_secondary = !thd_test_options( - thd, OPTION_RELAXED_UNIQUE_CHECKS); - - DBUG_VOID_RETURN; -} - -/*********************************************************************//** -Allocates an InnoDB transaction for a MySQL handler object. -@return InnoDB transaction handle */ -extern "C" UNIV_INTERN -trx_t* -innobase_trx_allocate( -/*==================*/ - THD* thd) /*!< in: user thread handle */ -{ - trx_t* trx; - - DBUG_ENTER("innobase_trx_allocate"); - DBUG_ASSERT(thd != NULL); - DBUG_ASSERT(EQ_CURRENT_THD(thd)); - - trx = trx_allocate_for_mysql(); - - trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); - - innobase_trx_init(thd, trx); - - DBUG_RETURN(trx); -} - -/*********************************************************************//** -Gets the InnoDB transaction handle for a MySQL handler object, creates -an InnoDB transaction struct if the corresponding MySQL thread struct still -lacks one. -@return InnoDB transaction handle */ -static -trx_t* -check_trx_exists( -/*=============*/ - THD* thd) /*!< in: user thread handle */ -{ - trx_t*& trx = thd_to_trx(thd); - - ut_ad(EQ_CURRENT_THD(thd)); - - if (trx == NULL) { - trx = innobase_trx_allocate(thd); - } else if (UNIV_UNLIKELY(trx->magic_n != TRX_MAGIC_N)) { - mem_analyze_corruption(trx); - ut_error; - } - - innobase_trx_init(thd, trx); - - return(trx); -} - - -/*********************************************************************//** -Construct ha_innobase handler. */ -UNIV_INTERN -ha_innobase::ha_innobase(handlerton *hton, TABLE_SHARE *table_arg) - :handler(hton, table_arg), - int_table_flags(HA_REC_NOT_IN_SEQ | - HA_NULL_IN_KEY | - HA_CAN_INDEX_BLOBS | - HA_CAN_SQL_HANDLER | - HA_PRIMARY_KEY_REQUIRED_FOR_POSITION | - HA_PRIMARY_KEY_IN_READ_INDEX | - HA_BINLOG_ROW_CAPABLE | - HA_CAN_GEOMETRY | HA_PARTIAL_COLUMN_READ | - HA_TABLE_SCAN_ON_INDEX), - start_of_scan(0), - num_write_row(0) -{} - -/*********************************************************************//** -Destruct ha_innobase handler. */ -UNIV_INTERN -ha_innobase::~ha_innobase() -{ -} - -/*********************************************************************//** -Updates the user_thd field in a handle and also allocates a new InnoDB -transaction handle if needed, and updates the transaction fields in the -prebuilt struct. */ -UNIV_INTERN inline -void -ha_innobase::update_thd( -/*====================*/ - THD* thd) /*!< in: thd to use the handle */ -{ - trx_t* trx; - - trx = check_trx_exists(thd); - - if (prebuilt->trx != trx) { - - row_update_prebuilt_trx(prebuilt, trx); - } - - user_thd = thd; -} - -/*********************************************************************//** -Updates the user_thd field in a handle and also allocates a new InnoDB -transaction handle if needed, and updates the transaction fields in the -prebuilt struct. */ -UNIV_INTERN -void -ha_innobase::update_thd() -/*=====================*/ -{ - THD* thd = ha_thd(); - ut_ad(EQ_CURRENT_THD(thd)); - update_thd(thd); -} - -/*********************************************************************//** -Registers that InnoDB takes part in an SQL statement, so that MySQL knows to -roll back the statement if the statement results in an error. This MUST be -called for every SQL statement that may be rolled back by MySQL. Calling this -several times to register the same statement is allowed, too. */ -static inline -void -innobase_register_stmt( -/*===================*/ - handlerton* hton, /*!< in: Innobase hton */ - THD* thd) /*!< in: MySQL thd (connection) object */ -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - /* Register the statement */ - trans_register_ha(thd, FALSE, hton); -} - -/*********************************************************************//** -Registers an InnoDB transaction in MySQL, so that the MySQL XA code knows -to call the InnoDB prepare and commit, or rollback for the transaction. This -MUST be called for every transaction for which the user may call commit or -rollback. Calling this several times to register the same transaction is -allowed, too. -This function also registers the current SQL statement. */ -static inline -void -innobase_register_trx_and_stmt( -/*===========================*/ - handlerton *hton, /*!< in: Innobase handlerton */ - THD* thd) /*!< in: MySQL thd (connection) object */ -{ - /* NOTE that actually innobase_register_stmt() registers also - the transaction in the AUTOCOMMIT=1 mode. */ - - innobase_register_stmt(hton, thd); - - if (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - - /* No autocommit mode, register for a transaction */ - trans_register_ha(thd, TRUE, hton); - } -} - -/* BACKGROUND INFO: HOW THE MYSQL QUERY CACHE WORKS WITH INNODB - ------------------------------------------------------------ - -1) The use of the query cache for TBL is disabled when there is an -uncommitted change to TBL. - -2) When a change to TBL commits, InnoDB stores the current value of -its global trx id counter, let us denote it by INV_TRX_ID, to the table object -in the InnoDB data dictionary, and does only allow such transactions whose -id <= INV_TRX_ID to use the query cache. - -3) When InnoDB does an INSERT/DELETE/UPDATE to a table TBL, or an implicit -modification because an ON DELETE CASCADE, we invalidate the MySQL query cache -of TBL immediately. - -How this is implemented inside InnoDB: - -1) Since every modification always sets an IX type table lock on the InnoDB -table, it is easy to check if there can be uncommitted modifications for a -table: just check if there are locks in the lock list of the table. - -2) When a transaction inside InnoDB commits, it reads the global trx id -counter and stores the value INV_TRX_ID to the tables on which it had a lock. - -3) If there is an implicit table change from ON DELETE CASCADE or SET NULL, -InnoDB calls an invalidate method for the MySQL query cache for that table. - -How this is implemented inside sql_cache.cc: - -1) The query cache for an InnoDB table TBL is invalidated immediately at an -INSERT/UPDATE/DELETE, just like in the case of MyISAM. No need to delay -invalidation to the transaction commit. - -2) To store or retrieve a value from the query cache of an InnoDB table TBL, -any query must first ask InnoDB's permission. We must pass the thd as a -parameter because InnoDB will look at the trx id, if any, associated with -that thd. - -3) Use of the query cache for InnoDB tables is now allowed also when -AUTOCOMMIT==0 or we are inside BEGIN ... COMMIT. Thus transactions no longer -put restrictions on the use of the query cache. -*/ - -/******************************************************************//** -The MySQL query cache uses this to check from InnoDB if the query cache at -the moment is allowed to operate on an InnoDB table. The SQL query must -be a non-locking SELECT. - -The query cache is allowed to operate on certain query only if this function -returns TRUE for all tables in the query. - -If thd is not in the autocommit state, this function also starts a new -transaction for thd if there is no active trx yet, and assigns a consistent -read view to it if there is no read view yet. - -Why a deadlock of threads is not possible: the query cache calls this function -at the start of a SELECT processing. Then the calling thread cannot be -holding any InnoDB semaphores. The calling thread is holding the -query cache mutex, and this function will reserver the InnoDB kernel mutex. -Thus, the 'rank' in sync0sync.h of the MySQL query cache mutex is above -the InnoDB kernel mutex. -@return TRUE if permitted, FALSE if not; note that the value FALSE -does not mean we should invalidate the query cache: invalidation is -called explicitly */ -static -my_bool -innobase_query_caching_of_table_permitted( -/*======================================*/ - THD* thd, /*!< in: thd of the user who is trying to - store a result to the query cache or - retrieve it */ - char* full_name, /*!< in: concatenation of database name, - the null character NUL, and the table - name */ - uint full_name_len, /*!< in: length of the full name, i.e. - len(dbname) + len(tablename) + 1 */ - ulonglong *unused) /*!< unused for this engine */ -{ - ibool is_autocommit; - trx_t* trx; - char norm_name[1000]; - - ut_a(full_name_len < 999); - - trx = check_trx_exists(thd); - - if (trx->isolation_level == TRX_ISO_SERIALIZABLE) { - /* In the SERIALIZABLE mode we add LOCK IN SHARE MODE to every - plain SELECT if AUTOCOMMIT is not on. */ - - return((my_bool)FALSE); - } - - if (trx->has_search_latch) { - sql_print_error("The calling thread is holding the adaptive " - "search, latch though calling " - "innobase_query_caching_of_table_permitted."); - - mutex_enter(&kernel_mutex); - trx_print(stderr, trx, 1024); - mutex_exit(&kernel_mutex); - } - - innobase_release_stat_resources(trx); - - if (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - - is_autocommit = TRUE; - } else { - is_autocommit = FALSE; - - } - - if (is_autocommit && trx->n_mysql_tables_in_use == 0) { - /* We are going to retrieve the query result from the query - cache. This cannot be a store operation to the query cache - because then MySQL would have locks on tables already. - - TODO: if the user has used LOCK TABLES to lock the table, - then we open a transaction in the call of row_.. below. - That trx can stay open until UNLOCK TABLES. The same problem - exists even if we do not use the query cache. MySQL should be - modified so that it ALWAYS calls some cleanup function when - the processing of a query ends! - - We can imagine we instantaneously serialize this consistent - read trx to the current trx id counter. If trx2 would have - changed the tables of a query result stored in the cache, and - trx2 would have already committed, making the result obsolete, - then trx2 would have already invalidated the cache. Thus we - can trust the result in the cache is ok for this query. */ - - return((my_bool)TRUE); - } - - /* Normalize the table name to InnoDB format */ - - memcpy(norm_name, full_name, full_name_len); - - norm_name[strlen(norm_name)] = '/'; /* InnoDB uses '/' as the - separator between db and table */ - norm_name[full_name_len] = '\0'; -#ifdef __WIN__ - innobase_casedn_str(norm_name); -#endif - /* The call of row_search_.. will start a new transaction if it is - not yet started */ - - if (trx->active_trans == 0) { - - innobase_register_trx_and_stmt(innodb_hton_ptr, thd); - trx->active_trans = 1; - } - - if (row_search_check_if_query_cache_permitted(trx, norm_name)) { - - /* printf("Query cache for %s permitted\n", norm_name); */ - - return((my_bool)TRUE); - } - - /* printf("Query cache for %s NOT permitted\n", norm_name); */ - - return((my_bool)FALSE); -} - -/*****************************************************************//** -Invalidates the MySQL query cache for the table. */ -extern "C" UNIV_INTERN -void -innobase_invalidate_query_cache( -/*============================*/ - trx_t* trx, /*!< in: transaction which - modifies the table */ - const char* full_name, /*!< in: concatenation of - database name, null char NUL, - table name, null char NUL; - NOTE that in Windows this is - always in LOWER CASE! */ - ulint full_name_len) /*!< in: full name length where - also the null chars count */ -{ - /* Note that the sync0sync.h rank of the query cache mutex is just - above the InnoDB kernel mutex. The caller of this function must not - have latches of a lower rank. */ - - /* Argument TRUE below means we are using transactions */ -#ifdef HAVE_QUERY_CACHE - mysql_query_cache_invalidate4((THD*) trx->mysql_thd, - full_name, - (uint32) full_name_len, - TRUE); -#endif -} - -/*****************************************************************//** -Convert an SQL identifier to the MySQL system_charset_info (UTF-8) -and quote it if needed. -@return pointer to the end of buf */ -static -char* -innobase_convert_identifier( -/*========================*/ - char* buf, /*!< out: buffer for converted identifier */ - ulint buflen, /*!< in: length of buf, in bytes */ - const char* id, /*!< in: identifier to convert */ - ulint idlen, /*!< in: length of id, in bytes */ - void* thd, /*!< in: MySQL connection thread, or NULL */ - ibool file_id)/*!< in: TRUE=id is a table or database name; - FALSE=id is an UTF-8 string */ -{ - char nz[NAME_LEN + 1]; -#if MYSQL_VERSION_ID >= 50141 - char nz2[NAME_LEN + 1 + EXPLAIN_FILENAME_MAX_EXTRA_LENGTH]; -#else /* MYSQL_VERSION_ID >= 50141 */ - char nz2[NAME_LEN + 1 + sizeof srv_mysql50_table_name_prefix]; -#endif /* MYSQL_VERSION_ID >= 50141 */ - - const char* s = id; - int q; - - if (file_id) { - /* Decode the table name. The MySQL function expects - a NUL-terminated string. The input and output strings - buffers must not be shared. */ - - if (UNIV_UNLIKELY(idlen > (sizeof nz) - 1)) { - idlen = (sizeof nz) - 1; - } - - memcpy(nz, id, idlen); - nz[idlen] = 0; - - s = nz2; -#if MYSQL_VERSION_ID >= 50141 - idlen = explain_filename((THD*) thd, nz, nz2, sizeof nz2, - EXPLAIN_PARTITIONS_AS_COMMENT); - goto no_quote; -#else /* MYSQL_VERSION_ID >= 50141 */ - idlen = filename_to_tablename(nz, nz2, sizeof nz2); -#endif /* MYSQL_VERSION_ID >= 50141 */ - } - - /* See if the identifier needs to be quoted. */ - if (UNIV_UNLIKELY(!thd)) { - q = '"'; - } else { - q = get_quote_char_for_identifier((THD*) thd, s, (int) idlen); - } - - if (q == EOF) { -#if MYSQL_VERSION_ID >= 50141 -no_quote: -#endif /* MYSQL_VERSION_ID >= 50141 */ - if (UNIV_UNLIKELY(idlen > buflen)) { - idlen = buflen; - } - memcpy(buf, s, idlen); - return(buf + idlen); - } - - /* Quote the identifier. */ - if (buflen < 2) { - return(buf); - } - - *buf++ = q; - buflen--; - - for (; idlen; idlen--) { - int c = *s++; - if (UNIV_UNLIKELY(c == q)) { - if (UNIV_UNLIKELY(buflen < 3)) { - break; - } - - *buf++ = c; - *buf++ = c; - buflen -= 2; - } else { - if (UNIV_UNLIKELY(buflen < 2)) { - break; - } - - *buf++ = c; - buflen--; - } - } - - *buf++ = q; - return(buf); -} - -/*****************************************************************//** -Convert a table or index name to the MySQL system_charset_info (UTF-8) -and quote it if needed. -@return pointer to the end of buf */ -extern "C" UNIV_INTERN -char* -innobase_convert_name( -/*==================*/ - char* buf, /*!< out: buffer for converted identifier */ - ulint buflen, /*!< in: length of buf, in bytes */ - const char* id, /*!< in: identifier to convert */ - ulint idlen, /*!< in: length of id, in bytes */ - void* thd, /*!< in: MySQL connection thread, or NULL */ - ibool table_id)/*!< in: TRUE=id is a table or database name; - FALSE=id is an index name */ -{ - char* s = buf; - const char* bufend = buf + buflen; - - if (table_id) { - const char* slash = (const char*) memchr(id, '/', idlen); - if (!slash) { - - goto no_db_name; - } - - /* Print the database name and table name separately. */ - s = innobase_convert_identifier(s, bufend - s, id, slash - id, - thd, TRUE); - if (UNIV_LIKELY(s < bufend)) { - *s++ = '.'; - s = innobase_convert_identifier(s, bufend - s, - slash + 1, idlen - - (slash - id) - 1, - thd, TRUE); - } - } else if (UNIV_UNLIKELY(*id == TEMP_INDEX_PREFIX)) { - /* Temporary index name (smart ALTER TABLE) */ - const char temp_index_suffix[]= "--temporary--"; - - s = innobase_convert_identifier(buf, buflen, id + 1, idlen - 1, - thd, FALSE); - if (s - buf + (sizeof temp_index_suffix - 1) < buflen) { - memcpy(s, temp_index_suffix, - sizeof temp_index_suffix - 1); - s += sizeof temp_index_suffix - 1; - } - } else { -no_db_name: - s = innobase_convert_identifier(buf, buflen, id, idlen, - thd, table_id); - } - - return(s); - -} - -/**********************************************************************//** -Determines if the currently running transaction has been interrupted. -@return TRUE if interrupted */ -extern "C" UNIV_INTERN -ibool -trx_is_interrupted( -/*===============*/ - trx_t* trx) /*!< in: transaction */ -{ - return(trx && trx->mysql_thd && thd_killed((THD*) trx->mysql_thd)); -} - -/**************************************************************//** -Resets some fields of a prebuilt struct. The template is used in fast -retrieval of just those column values MySQL needs in its processing. */ -static -void -reset_template( -/*===========*/ - row_prebuilt_t* prebuilt) /*!< in/out: prebuilt struct */ -{ - prebuilt->keep_other_fields_on_keyread = 0; - prebuilt->read_just_key = 0; -} - -/*****************************************************************//** -Call this when you have opened a new table handle in HANDLER, before you -call index_read_idx() etc. Actually, we can let the cursor stay open even -over a transaction commit! Then you should call this before every operation, -fetch next etc. This function inits the necessary things even after a -transaction commit. */ -UNIV_INTERN -void -ha_innobase::init_table_handle_for_HANDLER(void) -/*============================================*/ -{ - /* If current thd does not yet have a trx struct, create one. - If the current handle does not yet have a prebuilt struct, create - one. Update the trx pointers in the prebuilt struct. Normally - this operation is done in external_lock. */ - - update_thd(ha_thd()); - - /* Initialize the prebuilt struct much like it would be inited in - external_lock */ - - innobase_release_stat_resources(prebuilt->trx); - - /* If the transaction is not started yet, start it */ - - trx_start_if_not_started(prebuilt->trx); - - /* Assign a read view if the transaction does not have it yet */ - - trx_assign_read_view(prebuilt->trx); - - /* Set the MySQL flag to mark that there is an active transaction */ - - if (prebuilt->trx->active_trans == 0) { - - innobase_register_trx_and_stmt(ht, user_thd); - - prebuilt->trx->active_trans = 1; - } - - /* We did the necessary inits in this function, no need to repeat them - in row_search_for_mysql */ - - prebuilt->sql_stat_start = FALSE; - - /* We let HANDLER always to do the reads as consistent reads, even - if the trx isolation level would have been specified as SERIALIZABLE */ - - prebuilt->select_lock_type = LOCK_NONE; - prebuilt->stored_select_lock_type = LOCK_NONE; - - /* Always fetch all columns in the index record */ - - prebuilt->hint_need_to_fetch_extra_cols = ROW_RETRIEVE_ALL_COLS; - - /* We want always to fetch all columns in the whole row? Or do - we???? */ - - prebuilt->used_in_HANDLER = TRUE; - reset_template(prebuilt); -} - -/*********************************************************************//** -Opens an InnoDB database. -@return 0 on success, error code on failure */ -static -int -innobase_init( -/*==========*/ - void *p) /*!< in: InnoDB handlerton */ -{ - static char current_dir[3]; /*!< Set if using current lib */ - int err; - bool ret; - char *default_path; - uint format_id; - - DBUG_ENTER("innobase_init"); - handlerton *innobase_hton= (handlerton *)p; - innodb_hton_ptr = innobase_hton; - - innobase_hton->state = SHOW_OPTION_YES; - innobase_hton->db_type= DB_TYPE_INNODB; - innobase_hton->savepoint_offset=sizeof(trx_named_savept_t); - innobase_hton->close_connection=innobase_close_connection; - innobase_hton->savepoint_set=innobase_savepoint; - innobase_hton->savepoint_rollback=innobase_rollback_to_savepoint; - innobase_hton->savepoint_release=innobase_release_savepoint; - innobase_hton->commit=innobase_commit; - innobase_hton->rollback=innobase_rollback; - innobase_hton->prepare=innobase_xa_prepare; - innobase_hton->recover=innobase_xa_recover; - innobase_hton->commit_by_xid=innobase_commit_by_xid; - innobase_hton->rollback_by_xid=innobase_rollback_by_xid; - innobase_hton->create_cursor_read_view=innobase_create_cursor_view; - innobase_hton->set_cursor_read_view=innobase_set_cursor_view; - innobase_hton->close_cursor_read_view=innobase_close_cursor_view; - innobase_hton->create=innobase_create_handler; - innobase_hton->drop_database=innobase_drop_database; - innobase_hton->panic=innobase_end; - innobase_hton->start_consistent_snapshot=innobase_start_trx_and_assign_read_view; - innobase_hton->flush_logs=innobase_flush_logs; - innobase_hton->show_status=innobase_show_status; - innobase_hton->flags=HTON_NO_FLAGS; - innobase_hton->release_temporary_latches=innobase_release_temporary_latches; - innobase_hton->alter_table_flags = innobase_alter_table_flags; - - ut_a(DATA_MYSQL_TRUE_VARCHAR == (ulint)MYSQL_TYPE_VARCHAR); - -#ifdef UNIV_DEBUG - static const char test_filename[] = "-@"; - char test_tablename[sizeof test_filename - + sizeof srv_mysql50_table_name_prefix]; - if ((sizeof test_tablename) - 1 - != filename_to_tablename(test_filename, test_tablename, - sizeof test_tablename) - || strncmp(test_tablename, - srv_mysql50_table_name_prefix, - sizeof srv_mysql50_table_name_prefix) - || strcmp(test_tablename - + sizeof srv_mysql50_table_name_prefix, - test_filename)) { - sql_print_error("tablename encoding has been changed"); - goto error; - } -#endif /* UNIV_DEBUG */ - - /* Check that values don't overflow on 32-bit systems. */ - if (sizeof(ulint) == 4) { - if (innobase_buffer_pool_size > UINT_MAX32) { - sql_print_error( - "innobase_buffer_pool_size can't be over 4GB" - " on 32-bit systems"); - - goto error; - } - - if (innobase_log_file_size > UINT_MAX32) { - sql_print_error( - "innobase_log_file_size can't be over 4GB" - " on 32-bit systems"); - - goto error; - } - } - - os_innodb_umask = (ulint)my_umask; - - /* First calculate the default path for innodb_data_home_dir etc., - in case the user has not given any value. - - Note that when using the embedded server, the datadirectory is not - necessarily the current directory of this program. */ - - if (mysqld_embedded) { - default_path = mysql_real_data_home; - fil_path_to_mysql_datadir = mysql_real_data_home; - } else { - /* It's better to use current lib, to keep paths short */ - current_dir[0] = FN_CURLIB; - current_dir[1] = FN_LIBCHAR; - current_dir[2] = 0; - default_path = current_dir; - } - - ut_a(default_path); - - /* Set InnoDB initialization parameters according to the values - read from MySQL .cnf file */ - - /*--------------- Data files -------------------------*/ - - /* The default dir for data files is the datadir of MySQL */ - - srv_data_home = (innobase_data_home_dir ? innobase_data_home_dir : - default_path); - - /* Set default InnoDB data file size to 10 MB and let it be - auto-extending. Thus users can use InnoDB in >= 4.0 without having - to specify any startup options. */ - - if (!innobase_data_file_path) { - innobase_data_file_path = (char*) "ibdata1:10M:autoextend"; - } - - /* Since InnoDB edits the argument in the next call, we make another - copy of it: */ - - internal_innobase_data_file_path = my_strdup(innobase_data_file_path, - MYF(MY_FAE)); - - ret = (bool) srv_parse_data_file_paths_and_sizes( - internal_innobase_data_file_path); - if (ret == FALSE) { - sql_print_error( - "InnoDB: syntax error in innodb_data_file_path"); -mem_free_and_error: - srv_free_paths_and_sizes(); - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - goto error; - } - - /* -------------- Log files ---------------------------*/ - - /* The default dir for log files is the datadir of MySQL */ - - if (!innobase_log_group_home_dir) { - innobase_log_group_home_dir = default_path; - } - -#ifdef UNIV_LOG_ARCHIVE - /* Since innodb_log_arch_dir has no relevance under MySQL, - starting from 4.0.6 we always set it the same as - innodb_log_group_home_dir: */ - - innobase_log_arch_dir = innobase_log_group_home_dir; - - srv_arch_dir = innobase_log_arch_dir; -#endif /* UNIG_LOG_ARCHIVE */ - - ret = (bool) - srv_parse_log_group_home_dirs(innobase_log_group_home_dir); - - if (ret == FALSE || innobase_mirrored_log_groups != 1) { - sql_print_error("syntax error in innodb_log_group_home_dir, or a " - "wrong number of mirrored log groups"); - - goto mem_free_and_error; - } - - /* Validate the file format by animal name */ - if (innobase_file_format_name != NULL) { - - format_id = innobase_file_format_name_lookup( - innobase_file_format_name); - - if (format_id > DICT_TF_FORMAT_MAX) { - - sql_print_error("InnoDB: wrong innodb_file_format."); - - goto mem_free_and_error; - } - } else { - /* Set it to the default file format id. Though this - should never happen. */ - format_id = 0; - } - - srv_file_format = format_id; - - /* Given the type of innobase_file_format_name we have little - choice but to cast away the constness from the returned name. - innobase_file_format_name is used in the MySQL set variable - interface and so can't be const. */ - - innobase_file_format_name = - (char*) trx_sys_file_format_id_to_name(format_id); - - /* Process innobase_file_format_check variable */ - ut_a(innobase_file_format_check != NULL); - - /* As a side effect it will set srv_check_file_format_at_startup - on valid input. First we check for "on"/"off". */ - if (!innobase_file_format_check_on_off(innobase_file_format_check)) { - - /* Did the user specify a format name that we support ? - As a side effect it will update the variable - srv_check_file_format_at_startup */ - if (innobase_file_format_validate_and_set( - innobase_file_format_check) < 0) { - - sql_print_error("InnoDB: invalid " - "innodb_file_format_check value: " - "should be either 'on' or 'off' or " - "any value up to %s or its " - "equivalent numeric id", - trx_sys_file_format_id_to_name( - DICT_TF_FORMAT_MAX)); - - goto mem_free_and_error; - } - } - - if (innobase_change_buffering) { - ulint use; - - for (use = 0; - use < UT_ARR_SIZE(innobase_change_buffering_values); - use++) { - if (!innobase_strcasecmp( - innobase_change_buffering, - innobase_change_buffering_values[use])) { - ibuf_use = (ibuf_use_t) use; - goto innobase_change_buffering_inited_ok; - } - } - - sql_print_error("InnoDB: invalid value " - "innodb_file_format_check=%s", - innobase_change_buffering); - goto mem_free_and_error; - } - -innobase_change_buffering_inited_ok: - ut_a((ulint) ibuf_use < UT_ARR_SIZE(innobase_change_buffering_values)); - innobase_change_buffering = (char*) - innobase_change_buffering_values[ibuf_use]; - - /* --------------------------------------------------*/ - - srv_file_flush_method_str = innobase_file_flush_method; - - srv_n_log_groups = (ulint) innobase_mirrored_log_groups; - srv_n_log_files = (ulint) innobase_log_files_in_group; - srv_log_file_size = (ulint) innobase_log_file_size; - -#ifdef UNIV_LOG_ARCHIVE - srv_log_archive_on = (ulint) innobase_log_archive; -#endif /* UNIV_LOG_ARCHIVE */ - srv_log_buffer_size = (ulint) innobase_log_buffer_size; - - srv_buf_pool_size = (ulint) innobase_buffer_pool_size; - - srv_mem_pool_size = (ulint) innobase_additional_mem_pool_size; - - srv_n_file_io_threads = (ulint) innobase_file_io_threads; - srv_n_read_io_threads = (ulint) innobase_read_io_threads; - srv_n_write_io_threads = (ulint) innobase_write_io_threads; - - srv_force_recovery = (ulint) innobase_force_recovery; - - srv_use_doublewrite_buf = (ibool) innobase_use_doublewrite; - srv_use_checksums = (ibool) innobase_use_checksums; - -#ifdef HAVE_LARGE_PAGES - if ((os_use_large_pages = (ibool) my_use_large_pages)) - os_large_page_size = (ulint) opt_large_page_size; -#endif - - row_rollback_on_timeout = (ibool) innobase_rollback_on_timeout; - - srv_locks_unsafe_for_binlog = (ibool) innobase_locks_unsafe_for_binlog; - - srv_max_n_open_files = (ulint) innobase_open_files; - srv_innodb_status = (ibool) innobase_create_status_file; - - srv_print_verbose_log = mysqld_embedded ? 0 : 1; - - /* Store the default charset-collation number of this MySQL - installation */ - - data_mysql_default_charset_coll = (ulint)default_charset_info->number; - - ut_a(DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL == - my_charset_latin1.number); - ut_a(DATA_MYSQL_BINARY_CHARSET_COLL == my_charset_bin.number); - - /* Store the latin1_swedish_ci character ordering table to InnoDB. For - non-latin1_swedish_ci charsets we use the MySQL comparison functions, - and consequently we do not need to know the ordering internally in - InnoDB. */ - - ut_a(0 == strcmp(my_charset_latin1.name, "latin1_swedish_ci")); - srv_latin1_ordering = my_charset_latin1.sort_order; - - innobase_old_blocks_pct = buf_LRU_old_ratio_update( - innobase_old_blocks_pct, FALSE); - - innobase_commit_concurrency_init_default(); - - /* Since we in this module access directly the fields of a trx - struct, and due to different headers and flags it might happen that - mutex_t has a different size in this module and in InnoDB - modules, we check at run time that the size is the same in - these compilation modules. */ - - err = innobase_start_or_create_for_mysql(); - - if (err != DB_SUCCESS) { - goto mem_free_and_error; - } - - innobase_open_tables = hash_create(200); - pthread_mutex_init(&innobase_share_mutex, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&prepare_commit_mutex, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&commit_threads_m, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&commit_cond_m, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&analyze_mutex, MY_MUTEX_INIT_FAST); - pthread_cond_init(&commit_cond, NULL); - innodb_inited= 1; -#ifdef MYSQL_DYNAMIC_PLUGIN - if (innobase_hton != p) { - innobase_hton = reinterpret_cast(p); - *innobase_hton = *innodb_hton_ptr; - } -#endif /* MYSQL_DYNAMIC_PLUGIN */ - - /* Get the current high water mark format. */ - innobase_file_format_check = (char*) trx_sys_file_format_max_get(); - - DBUG_RETURN(FALSE); -error: - DBUG_RETURN(TRUE); -} - -/*******************************************************************//** -Closes an InnoDB database. -@return TRUE if error */ -static -int -innobase_end( -/*=========*/ - handlerton* hton, /*!< in/out: InnoDB handlerton */ - ha_panic_function type __attribute__((unused))) - /*!< in: ha_panic() parameter */ -{ - int err= 0; - - DBUG_ENTER("innobase_end"); - DBUG_ASSERT(hton == innodb_hton_ptr); - -#ifdef __NETWARE__ /* some special cleanup for NetWare */ - if (nw_panic) { - set_panic_flag_for_netware(); - } -#endif - if (innodb_inited) { - - srv_fast_shutdown = (ulint) innobase_fast_shutdown; - innodb_inited = 0; - hash_table_free(innobase_open_tables); - innobase_open_tables = NULL; - if (innobase_shutdown_for_mysql() != DB_SUCCESS) { - err = 1; - } - srv_free_paths_and_sizes(); - my_free(internal_innobase_data_file_path, - MYF(MY_ALLOW_ZERO_PTR)); - pthread_mutex_destroy(&innobase_share_mutex); - pthread_mutex_destroy(&prepare_commit_mutex); - pthread_mutex_destroy(&commit_threads_m); - pthread_mutex_destroy(&commit_cond_m); - pthread_mutex_destroy(&analyze_mutex); - pthread_cond_destroy(&commit_cond); - } - - DBUG_RETURN(err); -} - -/****************************************************************//** -Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes -the logs, and the name of this function should be innobase_checkpoint. -@return TRUE if error */ -static -bool -innobase_flush_logs( -/*================*/ - handlerton* hton) /*!< in/out: InnoDB handlerton */ -{ - bool result = 0; - - DBUG_ENTER("innobase_flush_logs"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - log_buffer_flush_to_disk(); - - DBUG_RETURN(result); -} - -/****************************************************************//** -Return alter table flags supported in an InnoDB database. */ -static -uint -innobase_alter_table_flags( -/*=======================*/ - uint flags) -{ - return(HA_ONLINE_ADD_INDEX_NO_WRITES - | HA_ONLINE_DROP_INDEX_NO_WRITES - | HA_ONLINE_ADD_UNIQUE_INDEX_NO_WRITES - | HA_ONLINE_DROP_UNIQUE_INDEX_NO_WRITES - | HA_ONLINE_ADD_PK_INDEX_NO_WRITES); -} - -/*****************************************************************//** -Commits a transaction in an InnoDB database. */ -static -void -innobase_commit_low( -/*================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - if (trx->conc_state == TRX_NOT_STARTED) { - - return; - } - - trx_commit_for_mysql(trx); -} - -/*****************************************************************//** -Creates an InnoDB transaction struct for the thd if it does not yet have one. -Starts a new InnoDB transaction if a transaction is not yet started. And -assigns a new snapshot for a consistent read if the transaction does not yet -have one. -@return 0 */ -static -int -innobase_start_trx_and_assign_read_view( -/*====================================*/ - handlerton *hton, /*!< in: Innodb handlerton */ - THD* thd) /*!< in: MySQL thread handle of the user for whom - the transaction should be committed */ -{ - trx_t* trx; - - DBUG_ENTER("innobase_start_trx_and_assign_read_view"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - /* Create a new trx struct for thd, if it does not yet have one */ - - trx = check_trx_exists(thd); - - /* This is just to play safe: release a possible FIFO ticket and - search latch. Since we will reserve the kernel mutex, we have to - release the search system latch first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - /* If the transaction is not started yet, start it */ - - trx_start_if_not_started(trx); - - /* Assign a read view if the transaction does not have it yet */ - - trx_assign_read_view(trx); - - /* Set the MySQL flag to mark that there is an active transaction */ - - if (trx->active_trans == 0) { - innobase_register_trx_and_stmt(hton, thd); - trx->active_trans = 1; - } - - DBUG_RETURN(0); -} - -/*****************************************************************//** -Commits a transaction in an InnoDB database or marks an SQL statement -ended. -@return 0 */ -static -int -innobase_commit( -/*============*/ - handlerton *hton, /*!< in: Innodb handlerton */ - THD* thd, /*!< in: MySQL thread handle of the user for whom - the transaction should be committed */ - bool all) /*!< in: TRUE - commit transaction - FALSE - the current SQL statement ended */ -{ - trx_t* trx; - - DBUG_ENTER("innobase_commit"); - DBUG_ASSERT(hton == innodb_hton_ptr); - DBUG_PRINT("trans", ("ending transaction")); - - trx = check_trx_exists(thd); - - /* Since we will reserve the kernel mutex, we have to release - the search system latch first to obey the latching order. */ - - if (trx->has_search_latch) { - trx_search_latch_release_if_reserved(trx); - } - - /* The flag trx->active_trans is set to 1 in - - 1. ::external_lock(), - 2. ::start_stmt(), - 3. innobase_query_caching_of_table_permitted(), - 4. innobase_savepoint(), - 5. ::init_table_handle_for_HANDLER(), - 6. innobase_start_trx_and_assign_read_view(), - 7. ::transactional_table_lock() - - and it is only set to 0 in a commit or a rollback. If it is 0 we know - there cannot be resources to be freed and we could return immediately. - For the time being, we play safe and do the cleanup though there should - be nothing to clean up. */ - - if (trx->active_trans == 0 - && trx->conc_state != TRX_NOT_STARTED) { - - sql_print_error("trx->active_trans == 0, but" - " trx->conc_state != TRX_NOT_STARTED"); - } - if (all - || (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) { - - /* We were instructed to commit the whole transaction, or - this is an SQL statement end and autocommit is on */ - - /* We need current binlog position for ibbackup to work. - Note, the position is current because of - prepare_commit_mutex */ -retry: - if (innobase_commit_concurrency > 0) { - pthread_mutex_lock(&commit_cond_m); - commit_threads++; - - if (commit_threads > innobase_commit_concurrency) { - commit_threads--; - pthread_cond_wait(&commit_cond, - &commit_cond_m); - pthread_mutex_unlock(&commit_cond_m); - goto retry; - } - else { - pthread_mutex_unlock(&commit_cond_m); - } - } - - /* The following calls to read the MySQL binary log - file name and the position return consistent results: - 1) Other InnoDB transactions cannot intervene between - these calls as we are holding prepare_commit_mutex. - 2) Binary logging of other engines is not relevant - to InnoDB as all InnoDB requires is that committing - InnoDB transactions appear in the same order in the - MySQL binary log as they appear in InnoDB logs. - 3) A MySQL log file rotation cannot happen because - MySQL protects against this by having a counter of - transactions in prepared state and it only allows - a rotation when the counter drops to zero. See - LOCK_prep_xids and COND_prep_xids in log.cc. */ - trx->mysql_log_file_name = mysql_bin_log_file_name(); - trx->mysql_log_offset = (ib_int64_t) mysql_bin_log_file_pos(); - - /* Don't do write + flush right now. For group commit - to work we want to do the flush after releasing the - prepare_commit_mutex. */ - trx->flush_log_later = TRUE; - innobase_commit_low(trx); - trx->flush_log_later = FALSE; - - if (innobase_commit_concurrency > 0) { - pthread_mutex_lock(&commit_cond_m); - commit_threads--; - pthread_cond_signal(&commit_cond); - pthread_mutex_unlock(&commit_cond_m); - } - - if (trx->active_trans == 2) { - - pthread_mutex_unlock(&prepare_commit_mutex); - } - - /* Now do a write + flush of logs. */ - trx_commit_complete_for_mysql(trx); - trx->active_trans = 0; - - } else { - /* We just mark the SQL statement ended and do not do a - transaction commit */ - - /* If we had reserved the auto-inc lock for some - table in this SQL statement we release it now */ - - row_unlock_table_autoinc_for_mysql(trx); - - /* Store the current undo_no of the transaction so that we - know where to roll back if we have to roll back the next - SQL statement */ - - trx_mark_sql_stat_end(trx); - } - - trx->n_autoinc_rows = 0; /* Reset the number AUTO-INC rows required */ - - if (trx->declared_to_be_inside_innodb) { - /* Release our possible ticket in the FIFO */ - - srv_conc_force_exit_innodb(trx); - } - - /* Tell the InnoDB server that there might be work for utility - threads: */ - srv_active_wake_master_thread(); - - DBUG_RETURN(0); -} - -/*****************************************************************//** -Rolls back a transaction or the latest SQL statement. -@return 0 or error number */ -static -int -innobase_rollback( -/*==============*/ - handlerton *hton, /*!< in: Innodb handlerton */ - THD* thd, /*!< in: handle to the MySQL thread of the user - whose transaction should be rolled back */ - bool all) /*!< in: TRUE - commit transaction - FALSE - the current SQL statement ended */ -{ - int error = 0; - trx_t* trx; - - DBUG_ENTER("innobase_rollback"); - DBUG_ASSERT(hton == innodb_hton_ptr); - DBUG_PRINT("trans", ("aborting transaction")); - - trx = check_trx_exists(thd); - - /* Release a possible FIFO ticket and search latch. Since we will - reserve the kernel mutex, we have to release the search system latch - first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - trx->n_autoinc_rows = 0; /* Reset the number AUTO-INC rows required */ - - /* If we had reserved the auto-inc lock for some table (if - we come here to roll back the latest SQL statement) we - release it now before a possibly lengthy rollback */ - - row_unlock_table_autoinc_for_mysql(trx); - - if (all - || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - - error = trx_rollback_for_mysql(trx); - trx->active_trans = 0; - } else { - error = trx_rollback_last_sql_stat_for_mysql(trx); - } - - DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); -} - -/*****************************************************************//** -Rolls back a transaction -@return 0 or error number */ -static -int -innobase_rollback_trx( -/*==================*/ - trx_t* trx) /*!< in: transaction */ -{ - int error = 0; - - DBUG_ENTER("innobase_rollback_trx"); - DBUG_PRINT("trans", ("aborting transaction")); - - /* Release a possible FIFO ticket and search latch. Since we will - reserve the kernel mutex, we have to release the search system latch - first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - /* If we had reserved the auto-inc lock for some table (if - we come here to roll back the latest SQL statement) we - release it now before a possibly lengthy rollback */ - - row_unlock_table_autoinc_for_mysql(trx); - - error = trx_rollback_for_mysql(trx); - - DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); -} - -/*****************************************************************//** -Rolls back a transaction to a savepoint. -@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the -given name */ -static -int -innobase_rollback_to_savepoint( -/*===========================*/ - handlerton *hton, /*!< in: Innodb handlerton */ - THD* thd, /*!< in: handle to the MySQL thread of the user - whose transaction should be rolled back */ - void* savepoint) /*!< in: savepoint data */ -{ - ib_int64_t mysql_binlog_cache_pos; - int error = 0; - trx_t* trx; - char name[64]; - - DBUG_ENTER("innobase_rollback_to_savepoint"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - trx = check_trx_exists(thd); - - /* Release a possible FIFO ticket and search latch. Since we will - reserve the kernel mutex, we have to release the search system latch - first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - /* TODO: use provided savepoint data area to store savepoint data */ - - longlong2str((ulint)savepoint, name, 36); - - error = (int) trx_rollback_to_savepoint_for_mysql(trx, name, - &mysql_binlog_cache_pos); - DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); -} - -/*****************************************************************//** -Release transaction savepoint name. -@return 0 if success, HA_ERR_NO_SAVEPOINT if no savepoint with the -given name */ -static -int -innobase_release_savepoint( -/*=======================*/ - handlerton* hton, /*!< in: handlerton for Innodb */ - THD* thd, /*!< in: handle to the MySQL thread of the user - whose transaction should be rolled back */ - void* savepoint) /*!< in: savepoint data */ -{ - int error = 0; - trx_t* trx; - char name[64]; - - DBUG_ENTER("innobase_release_savepoint"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - trx = check_trx_exists(thd); - - /* TODO: use provided savepoint data area to store savepoint data */ - - longlong2str((ulint)savepoint, name, 36); - - error = (int) trx_release_savepoint_for_mysql(trx, name); - - DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); -} - -/*****************************************************************//** -Sets a transaction savepoint. -@return always 0, that is, always succeeds */ -static -int -innobase_savepoint( -/*===============*/ - handlerton* hton, /*!< in: handle to the Innodb handlerton */ - THD* thd, /*!< in: handle to the MySQL thread */ - void* savepoint) /*!< in: savepoint data */ -{ - int error = 0; - trx_t* trx; - - DBUG_ENTER("innobase_savepoint"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - /* - In the autocommit mode there is no sense to set a savepoint - (unless we are in sub-statement), so SQL layer ensures that - this method is never called in such situation. - */ -#ifdef MYSQL_SERVER /* plugins cannot access thd->in_sub_stmt */ - DBUG_ASSERT(thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN) || - thd->in_sub_stmt); -#endif /* MYSQL_SERVER */ - - trx = check_trx_exists(thd); - - /* Release a possible FIFO ticket and search latch. Since we will - reserve the kernel mutex, we have to release the search system latch - first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - /* cannot happen outside of transaction */ - DBUG_ASSERT(trx->active_trans); - - /* TODO: use provided savepoint data area to store savepoint data */ - char name[64]; - longlong2str((ulint)savepoint,name,36); - - error = (int) trx_savepoint_for_mysql(trx, name, (ib_int64_t)0); - - DBUG_RETURN(convert_error_code_to_mysql(error, 0, NULL)); -} - -/*****************************************************************//** -Frees a possible InnoDB trx object associated with the current THD. -@return 0 or error number */ -static -int -innobase_close_connection( -/*======================*/ - handlerton* hton, /*!< in: innobase handlerton */ - THD* thd) /*!< in: handle to the MySQL thread of the user - whose resources should be free'd */ -{ - trx_t* trx; - - DBUG_ENTER("innobase_close_connection"); - DBUG_ASSERT(hton == innodb_hton_ptr); - trx = thd_to_trx(thd); - - ut_a(trx); - - if (trx->active_trans == 0 - && trx->conc_state != TRX_NOT_STARTED) { - - sql_print_error("trx->active_trans == 0, but" - " trx->conc_state != TRX_NOT_STARTED"); - } - - - if (trx->conc_state != TRX_NOT_STARTED && - global_system_variables.log_warnings) { - sql_print_warning( - "MySQL is closing a connection that has an active " - "InnoDB transaction. %lu row modifications will " - "roll back.", - (ulong) trx->undo_no.low); - } - - innobase_rollback_trx(trx); - - thr_local_free(trx->mysql_thread_id); - trx_free_for_mysql(trx); - - DBUG_RETURN(0); -} - - -/*************************************************************************//** -** InnoDB database tables -*****************************************************************************/ - -/****************************************************************//** -Get the record format from the data dictionary. -@return one of ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, -ROW_TYPE_COMPRESSED, ROW_TYPE_DYNAMIC */ -UNIV_INTERN -enum row_type -ha_innobase::get_row_type() const -/*=============================*/ -{ - if (prebuilt && prebuilt->table) { - const ulint flags = prebuilt->table->flags; - - if (UNIV_UNLIKELY(!flags)) { - return(ROW_TYPE_REDUNDANT); - } - - ut_ad(flags & DICT_TF_COMPACT); - - switch (flags & DICT_TF_FORMAT_MASK) { - case DICT_TF_FORMAT_51 << DICT_TF_FORMAT_SHIFT: - return(ROW_TYPE_COMPACT); - case DICT_TF_FORMAT_ZIP << DICT_TF_FORMAT_SHIFT: - if (flags & DICT_TF_ZSSIZE_MASK) { - return(ROW_TYPE_COMPRESSED); - } else { - return(ROW_TYPE_DYNAMIC); - } -#if DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX -# error "DICT_TF_FORMAT_ZIP != DICT_TF_FORMAT_MAX" -#endif - } - } - ut_ad(0); - return(ROW_TYPE_NOT_USED); -} - - - -/****************************************************************//** -Get the table flags to use for the statement. -@return table flags */ -UNIV_INTERN -handler::Table_flags -ha_innobase::table_flags() const -/*============================*/ -{ - /* Need to use tx_isolation here since table flags is (also) - called before prebuilt is inited. */ - ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED) - return int_table_flags; - return int_table_flags | HA_BINLOG_STMT_CAPABLE; -} - -/****************************************************************//** -Gives the file extension of an InnoDB single-table tablespace. */ -static const char* ha_innobase_exts[] = { - ".ibd", - NullS -}; - -/****************************************************************//** -Returns the table type (storage engine name). -@return table type */ -UNIV_INTERN -const char* -ha_innobase::table_type() const -/*===========================*/ -{ - return(innobase_hton_name); -} - -/****************************************************************//** -Returns the index type. */ -UNIV_INTERN -const char* -ha_innobase::index_type( -/*====================*/ - uint) - /*!< out: index type */ -{ - return("BTREE"); -} - -/****************************************************************//** -Returns the table file name extension. -@return file extension string */ -UNIV_INTERN -const char** -ha_innobase::bas_ext() const -/*========================*/ -{ - return(ha_innobase_exts); -} - -/****************************************************************//** -Returns the operations supported for indexes. -@return flags of supported operations */ -UNIV_INTERN -ulong -ha_innobase::index_flags( -/*=====================*/ - uint, - uint, - bool) -const -{ - return(HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER - | HA_READ_RANGE | HA_KEYREAD_ONLY); -} - -/****************************************************************//** -Returns the maximum number of keys. -@return MAX_KEY */ -UNIV_INTERN -uint -ha_innobase::max_supported_keys() const -/*===================================*/ -{ - return(MAX_KEY); -} - -/****************************************************************//** -Returns the maximum key length. -@return maximum supported key length, in bytes */ -UNIV_INTERN -uint -ha_innobase::max_supported_key_length() const -/*=========================================*/ -{ - /* An InnoDB page must store >= 2 keys; a secondary key record - must also contain the primary key value: max key length is - therefore set to slightly less than 1 / 4 of page size which - is 16 kB; but currently MySQL does not work with keys whose - size is > MAX_KEY_LENGTH */ - return(3500); -} - -/****************************************************************//** -Returns the key map of keys that are usable for scanning. -@return key_map_full */ -UNIV_INTERN -const key_map* -ha_innobase::keys_to_use_for_scanning() -{ - return(&key_map_full); -} - -/****************************************************************//** -Determines if table caching is supported. -@return HA_CACHE_TBL_ASKTRANSACT */ -UNIV_INTERN -uint8 -ha_innobase::table_cache_type() -{ - return(HA_CACHE_TBL_ASKTRANSACT); -} - -/****************************************************************//** -Determines if the primary key is clustered index. -@return true */ -UNIV_INTERN -bool -ha_innobase::primary_key_is_clustered() -{ - return(true); -} - -/*****************************************************************//** -Normalizes a table name string. A normalized name consists of the -database name catenated to '/' and table name. An example: -test/mytable. On Windows normalization puts both the database name and the -table name always to lower case. */ -static -void -normalize_table_name( -/*=================*/ - char* norm_name, /*!< out: normalized name as a - null-terminated string */ - const char* name) /*!< in: table name string */ -{ - char* name_ptr; - char* db_ptr; - char* ptr; - - /* Scan name from the end */ - - ptr = strend(name)-1; - - while (ptr >= name && *ptr != '\\' && *ptr != '/') { - ptr--; - } - - name_ptr = ptr + 1; - - DBUG_ASSERT(ptr > name); - - ptr--; - - while (ptr >= name && *ptr != '\\' && *ptr != '/') { - ptr--; - } - - db_ptr = ptr + 1; - - memcpy(norm_name, db_ptr, strlen(name) + 1 - (db_ptr - name)); - - norm_name[name_ptr - db_ptr - 1] = '/'; - -#ifdef __WIN__ - innobase_casedn_str(norm_name); -#endif -} - -/********************************************************************//** -Get the upper limit of the MySQL integral and floating-point type. -@return maximum allowed value for the field */ -static -ulonglong -innobase_get_int_col_max_value( -/*===========================*/ - const Field* field) /*!< in: MySQL field */ -{ - ulonglong max_value = 0; - - switch(field->key_type()) { - /* TINY */ - case HA_KEYTYPE_BINARY: - max_value = 0xFFULL; - break; - case HA_KEYTYPE_INT8: - max_value = 0x7FULL; - break; - /* SHORT */ - case HA_KEYTYPE_USHORT_INT: - max_value = 0xFFFFULL; - break; - case HA_KEYTYPE_SHORT_INT: - max_value = 0x7FFFULL; - break; - /* MEDIUM */ - case HA_KEYTYPE_UINT24: - max_value = 0xFFFFFFULL; - break; - case HA_KEYTYPE_INT24: - max_value = 0x7FFFFFULL; - break; - /* LONG */ - case HA_KEYTYPE_ULONG_INT: - max_value = 0xFFFFFFFFULL; - break; - case HA_KEYTYPE_LONG_INT: - max_value = 0x7FFFFFFFULL; - break; - /* BIG */ - case HA_KEYTYPE_ULONGLONG: - max_value = 0xFFFFFFFFFFFFFFFFULL; - break; - case HA_KEYTYPE_LONGLONG: - max_value = 0x7FFFFFFFFFFFFFFFULL; - break; - case HA_KEYTYPE_FLOAT: - /* We use the maximum as per IEEE754-2008 standard, 2^24 */ - max_value = 0x1000000ULL; - break; - case HA_KEYTYPE_DOUBLE: - /* We use the maximum as per IEEE754-2008 standard, 2^53 */ - max_value = 0x20000000000000ULL; - break; - default: - ut_error; - } - - return(max_value); -} - -/*******************************************************************//** -This function checks whether the index column information -is consistent between KEY info from mysql and that from innodb index. -@return TRUE if all column types match. */ -static -ibool -innobase_match_index_columns( -/*=========================*/ - const KEY* key_info, /*!< in: Index info - from mysql */ - const dict_index_t* index_info) /*!< in: Index info - from Innodb */ -{ - const KEY_PART_INFO* key_part; - const KEY_PART_INFO* key_end; - const dict_field_t* innodb_idx_fld; - const dict_field_t* innodb_idx_fld_end; - - DBUG_ENTER("innobase_match_index_columns"); - - /* Check whether user defined index column count matches */ - if (key_info->key_parts != index_info->n_user_defined_cols) { - DBUG_RETURN(FALSE); - } - - key_part = key_info->key_part; - key_end = key_part + key_info->key_parts; - innodb_idx_fld = index_info->fields; - innodb_idx_fld_end = index_info->fields + index_info->n_fields; - - /* Check each index column's datatype. We do not check - column name because there exists case that index - column name got modified in mysql but such change does not - propagate to InnoDB. - One hidden assumption here is that the index column sequences - are matched up between those in mysql and Innodb. */ - for (; key_part != key_end; ++key_part) { - ulint col_type; - ibool is_unsigned; - ulint mtype = innodb_idx_fld->col->mtype; - - /* Need to translate to InnoDB column type before - comparison. */ - col_type = get_innobase_type_from_mysql_type(&is_unsigned, - key_part->field); - - /* Ignore Innodb specific system columns. */ - while (mtype == DATA_SYS) { - innodb_idx_fld++; - - if (innodb_idx_fld >= innodb_idx_fld_end) { - DBUG_RETURN(FALSE); - } - } - - if (col_type != mtype) { - /* Column Type mismatches */ - DBUG_RETURN(FALSE); - } - - innodb_idx_fld++; - } - - DBUG_RETURN(TRUE); -} - -/*******************************************************************//** -This function builds a translation table in INNOBASE_SHARE -structure for fast index location with mysql array number from its -table->key_info structure. This also provides the necessary translation -between the key order in mysql key_info and Innodb ib_table->indexes if -they are not fully matched with each other. -Note we do not have any mutex protecting the translation table -building based on the assumption that there is no concurrent -index creation/drop and DMLs that requires index lookup. All table -handle will be closed before the index creation/drop. -@return TRUE if index translation table built successfully */ -static -ibool -innobase_build_index_translation( -/*=============================*/ - const TABLE* table, /*!< in: table in MySQL data - dictionary */ - dict_table_t* ib_table, /*!< in: table in Innodb data - dictionary */ - INNOBASE_SHARE* share) /*!< in/out: share structure - where index translation table - will be constructed in. */ -{ - ulint mysql_num_index; - ulint ib_num_index; - dict_index_t** index_mapping; - ibool ret = TRUE; - - DBUG_ENTER("innobase_build_index_translation"); - - mysql_num_index = table->s->keys; - ib_num_index = UT_LIST_GET_LEN(ib_table->indexes); - - index_mapping = share->idx_trans_tbl.index_mapping; - - /* If there exists inconsistency between MySQL and InnoDB dictionary - (metadata) information, the number of index defined in MySQL - could exceed that in InnoDB, do not build index translation - table in such case */ - if (UNIV_UNLIKELY(ib_num_index < mysql_num_index)) { - ret = FALSE; - goto func_exit; - } - - /* If index entry count is non-zero, nothing has - changed since last update, directly return TRUE */ - if (share->idx_trans_tbl.index_count) { - /* Index entry count should still match mysql_num_index */ - ut_a(share->idx_trans_tbl.index_count == mysql_num_index); - goto func_exit; - } - - /* The number of index increased, rebuild the mapping table */ - if (mysql_num_index > share->idx_trans_tbl.array_size) { - index_mapping = (dict_index_t**) my_realloc(index_mapping, - mysql_num_index * - sizeof(*index_mapping), - MYF(MY_ALLOW_ZERO_PTR)); - - if (!index_mapping) { - ret = FALSE; - goto func_exit; - } - - share->idx_trans_tbl.array_size = mysql_num_index; - } - - - /* For each index in the mysql key_info array, fetch its - corresponding InnoDB index pointer into index_mapping - array. */ - for (ulint count = 0; count < mysql_num_index; count++) { - - /* Fetch index pointers into index_mapping according to mysql - index sequence */ - index_mapping[count] = dict_table_get_index_on_name( - ib_table, table->key_info[count].name); - - if (!index_mapping[count]) { - sql_print_error("Cannot find index %s in InnoDB " - "index dictionary.", - table->key_info[count].name); - ret = FALSE; - goto func_exit; - } - - /* Double check fetched index has the same - column info as those in mysql key_info. */ - if (!innobase_match_index_columns(&table->key_info[count], - index_mapping[count])) { - sql_print_error("Found index %s whose column info " - "does not match that of MySQL.", - table->key_info[count].name); - ret = FALSE; - goto func_exit; - } - } - - /* Successfully built the translation table */ - share->idx_trans_tbl.index_count = mysql_num_index; - -func_exit: - if (!ret) { - /* Build translation table failed. */ - my_free(index_mapping, MYF(MY_ALLOW_ZERO_PTR)); - - share->idx_trans_tbl.array_size = 0; - share->idx_trans_tbl.index_count = 0; - index_mapping = NULL; - } - - share->idx_trans_tbl.index_mapping = index_mapping; - - DBUG_RETURN(ret); -} - -/*******************************************************************//** -This function uses index translation table to quickly locate the -requested index structure. -Note we do not have mutex protection for the index translatoin table -access, it is based on the assumption that there is no concurrent -translation table rebuild (fter create/drop index) and DMLs that -require index lookup. -@return dict_index_t structure for requested index. NULL if -fail to locate the index structure. */ -static -dict_index_t* -innobase_index_lookup( -/*==================*/ - INNOBASE_SHARE* share, /*!< in: share structure for index - translation table. */ - uint keynr) /*!< in: index number for the requested - index */ -{ - if (!share->idx_trans_tbl.index_mapping - || keynr >= share->idx_trans_tbl.index_count) { - return(NULL); - } - - return(share->idx_trans_tbl.index_mapping[keynr]); -} - -/************************************************************************ -Set the autoinc column max value. This should only be called once from -ha_innobase::open(). Therefore there's no need for a covering lock. */ -UNIV_INTERN -void -ha_innobase::innobase_initialize_autoinc() -/*======================================*/ -{ - ulonglong auto_inc; - const Field* field = table->found_next_number_field; - - if (field != NULL) { - auto_inc = innobase_get_int_col_max_value(field); - } else { - /* We have no idea what's been passed in to us as the - autoinc column. We set it to the 0, effectively disabling - updates to the table. */ - auto_inc = 0; - - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Unable to determine the AUTOINC " - "column name\n"); - } - - if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { - /* If the recovery level is set so high that writes - are disabled we force the AUTOINC counter to 0 - value effectively disabling writes to the table. - Secondly, we avoid reading the table in case the read - results in failure due to a corrupted table/index. - - We will not return an error to the client, so that the - tables can be dumped with minimal hassle. If an error - were returned in this case, the first attempt to read - the table would fail and subsequent SELECTs would succeed. */ - auto_inc = 0; - } else if (field == NULL) { - /* This is a far more serious error, best to avoid - opening the table and return failure. */ - my_error(ER_AUTOINC_READ_FAILED, MYF(0)); - } else { - dict_index_t* index; - const char* col_name; - ulonglong read_auto_inc; - ulint err; - - update_thd(ha_thd()); - - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - - col_name = field->field_name; - index = innobase_get_index(table->s->next_number_index); - - /* Execute SELECT MAX(col_name) FROM TABLE; */ - err = row_search_max_autoinc(index, col_name, &read_auto_inc); - - switch (err) { - case DB_SUCCESS: - /* At the this stage we do not know the increment - or the offset, so use a default increment of 1. */ - auto_inc = read_auto_inc + 1; - break; - - case DB_RECORD_NOT_FOUND: - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: MySQL and InnoDB data " - "dictionaries are out of sync.\n" - "InnoDB: Unable to find the AUTOINC column " - "%s in the InnoDB table %s.\n" - "InnoDB: We set the next AUTOINC column " - "value to 0,\n" - "InnoDB: in effect disabling the AUTOINC " - "next value generation.\n" - "InnoDB: You can either set the next " - "AUTOINC value explicitly using ALTER TABLE\n" - "InnoDB: or fix the data dictionary by " - "recreating the table.\n", - col_name, index->table->name); - - /* This will disable the AUTOINC generation. */ - auto_inc = 0; - - /* We want the open to succeed, so that the user can - take corrective action. ie. reads should succeed but - updates should fail. */ - err = DB_SUCCESS; - break; - default: - /* row_search_max_autoinc() should only return - one of DB_SUCCESS or DB_RECORD_NOT_FOUND. */ - ut_error; - } - } - - dict_table_autoinc_initialize(prebuilt->table, auto_inc); -} - -/*****************************************************************//** -Creates and opens a handle to a table which already exists in an InnoDB -database. -@return 1 if error, 0 if success */ -UNIV_INTERN -int -ha_innobase::open( -/*==============*/ - const char* name, /*!< in: table name */ - int mode, /*!< in: not used */ - uint test_if_locked) /*!< in: not used */ -{ - dict_table_t* ib_table; - char norm_name[1000]; - THD* thd; - ulint retries = 0; - char* is_part = NULL; - - DBUG_ENTER("ha_innobase::open"); - - UT_NOT_USED(mode); - UT_NOT_USED(test_if_locked); - - thd = ha_thd(); - - /* Under some cases MySQL seems to call this function while - holding btr_search_latch. This breaks the latching order as - we acquire dict_sys->mutex below and leads to a deadlock. */ - if (thd != NULL) { - innobase_release_temporary_latches(ht, thd); - } - - normalize_table_name(norm_name, name); - - user_thd = NULL; - - if (!(share=get_share(name))) { - - DBUG_RETURN(1); - } - - /* Create buffers for packing the fields of a record. Why - table->reclength did not work here? Obviously, because char - fields when packed actually became 1 byte longer, when we also - stored the string length as the first byte. */ - - upd_and_key_val_buff_len = - table->s->reclength + table->s->max_key_length - + MAX_REF_PARTS * 3; - if (!(uchar*) my_multi_malloc(MYF(MY_WME), - &upd_buff, upd_and_key_val_buff_len, - &key_val_buff, upd_and_key_val_buff_len, - NullS)) { - free_share(share); - - DBUG_RETURN(1); - } - - /* We look for pattern #P# to see if the table is partitioned - MySQL table. The retry logic for partitioned tables is a - workaround for http://bugs.mysql.com/bug.php?id=33349. Look - at support issue https://support.mysql.com/view.php?id=21080 - for more details. */ - is_part = strstr(norm_name, "#P#"); -retry: - /* Get pointer to a table object in InnoDB dictionary cache */ - ib_table = dict_table_get(norm_name, TRUE); - - if (NULL == ib_table) { - if (is_part && retries < 10) { - ++retries; - os_thread_sleep(100000); - goto retry; - } - - if (is_part) { - sql_print_error("Failed to open table %s after " - "%lu attempts.\n", norm_name, - retries); - } - - sql_print_error("Cannot find or open table %s from\n" - "the internal data dictionary of InnoDB " - "though the .frm file for the\n" - "table exists. Maybe you have deleted and " - "recreated InnoDB data\n" - "files but have forgotten to delete the " - "corresponding .frm files\n" - "of InnoDB tables, or you have moved .frm " - "files to another database?\n" - "or, the table contains indexes that this " - "version of the engine\n" - "doesn't support.\n" - "See " REFMAN "innodb-troubleshooting.html\n" - "how you can resolve the problem.\n", - norm_name); - free_share(share); - my_free(upd_buff, MYF(0)); - my_errno = ENOENT; - - DBUG_RETURN(HA_ERR_NO_SUCH_TABLE); - } - - if (ib_table->ibd_file_missing && !thd_tablespace_op(thd)) { - sql_print_error("MySQL is trying to open a table handle but " - "the .ibd file for\ntable %s does not exist.\n" - "Have you deleted the .ibd file from the " - "database directory under\nthe MySQL datadir, " - "or have you used DISCARD TABLESPACE?\n" - "See " REFMAN "innodb-troubleshooting.html\n" - "how you can resolve the problem.\n", - norm_name); - free_share(share); - my_free(upd_buff, MYF(0)); - my_errno = ENOENT; - - dict_table_decrement_handle_count(ib_table, FALSE); - DBUG_RETURN(HA_ERR_NO_SUCH_TABLE); - } - - prebuilt = row_create_prebuilt(ib_table); - - prebuilt->mysql_row_len = table->s->reclength; - prebuilt->default_rec = table->s->default_values; - ut_ad(prebuilt->default_rec); - - /* Looks like MySQL-3.23 sometimes has primary key number != 0 */ - - primary_key = table->s->primary_key; - key_used_on_scan = primary_key; - - if (!innobase_build_index_translation(table, ib_table, share)) { - sql_print_error("Build InnoDB index translation table for" - " Table %s failed", name); - } - - /* Allocate a buffer for a 'row reference'. A row reference is - a string of bytes of length ref_length which uniquely specifies - a row in our table. Note that MySQL may also compare two row - references for equality by doing a simple memcmp on the strings - of length ref_length! */ - - if (!row_table_got_default_clust_index(ib_table)) { - - prebuilt->clust_index_was_generated = FALSE; - - if (UNIV_UNLIKELY(primary_key >= MAX_KEY)) { - sql_print_error("Table %s has a primary key in " - "InnoDB data dictionary, but not " - "in MySQL!", name); - - /* This mismatch could cause further problems - if not attended, bring this to the user's attention - by printing a warning in addition to log a message - in the errorlog */ - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NO_SUCH_INDEX, - "InnoDB: Table %s has a " - "primary key in InnoDB data " - "dictionary, but not in " - "MySQL!", name); - - /* If primary_key >= MAX_KEY, its (primary_key) - value could be out of bound if continue to index - into key_info[] array. Find InnoDB primary index, - and assign its key_length to ref_length. - In addition, since MySQL indexes are sorted starting - with primary index, unique index etc., initialize - ref_length to the first index key length in - case we fail to find InnoDB cluster index. - - Please note, this will not resolve the primary - index mismatch problem, other side effects are - possible if users continue to use the table. - However, we allow this table to be opened so - that user can adopt necessary measures for the - mismatch while still being accessible to the table - date. */ - ref_length = table->key_info[0].key_length; - - /* Find correspoinding cluster index - key length in MySQL's key_info[] array */ - for (ulint i = 0; i < table->s->keys; i++) { - dict_index_t* index; - index = innobase_get_index(i); - if (dict_index_is_clust(index)) { - ref_length = - table->key_info[i].key_length; - } - } - } else { - /* MySQL allocates the buffer for ref. - key_info->key_length includes space for all key - columns + one byte for each column that may be - NULL. ref_length must be as exact as possible to - save space, because all row reference buffers are - allocated based on ref_length. */ - - ref_length = table->key_info[primary_key].key_length; - } - } else { - if (primary_key != MAX_KEY) { - sql_print_error( - "Table %s has no primary key in InnoDB data " - "dictionary, but has one in MySQL! If you " - "created the table with a MySQL version < " - "3.23.54 and did not define a primary key, " - "but defined a unique key with all non-NULL " - "columns, then MySQL internally treats that " - "key as the primary key. You can fix this " - "error by dump + DROP + CREATE + reimport " - "of the table.", name); - - /* This mismatch could cause further problems - if not attended, bring this to the user attention - by printing a warning in addition to log a message - in the errorlog */ - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NO_SUCH_INDEX, - "InnoDB: Table %s has no " - "primary key in InnoDB data " - "dictionary, but has one in " - "MySQL!", name); - } - - prebuilt->clust_index_was_generated = TRUE; - - ref_length = DATA_ROW_ID_LEN; - - /* If we automatically created the clustered index, then - MySQL does not know about it, and MySQL must NOT be aware - of the index used on scan, to make it avoid checking if we - update the column of the index. That is why we assert below - that key_used_on_scan is the undefined value MAX_KEY. - The column is the row id in the automatical generation case, - and it will never be updated anyway. */ - - if (key_used_on_scan != MAX_KEY) { - sql_print_warning( - "Table %s key_used_on_scan is %lu even " - "though there is no primary key inside " - "InnoDB.", name, (ulong) key_used_on_scan); - } - } - - /* Index block size in InnoDB: used by MySQL in query optimization */ - stats.block_size = 16 * 1024; - - /* Init table lock structure */ - thr_lock_data_init(&share->lock,&lock,(void*) 0); - - if (prebuilt->table) { - /* We update the highest file format in the system table - space, if this table has higher file format setting. */ - - trx_sys_file_format_max_upgrade( - (const char**) &innobase_file_format_check, - dict_table_get_format(prebuilt->table)); - } - - info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST); - - /* Only if the table has an AUTOINC column. */ - if (prebuilt->table != NULL && table->found_next_number_field != NULL) { - dict_table_autoinc_lock(prebuilt->table); - - /* Since a table can already be "open" in InnoDB's internal - data dictionary, we only init the autoinc counter once, the - first time the table is loaded. We can safely reuse the - autoinc value from a previous MySQL open. */ - if (dict_table_autoinc_read(prebuilt->table) == 0) { - - innobase_initialize_autoinc(); - } - - dict_table_autoinc_unlock(prebuilt->table); - } - - DBUG_RETURN(0); -} - -UNIV_INTERN -uint -ha_innobase::max_supported_key_part_length() const -{ - return(DICT_MAX_INDEX_COL_LEN - 1); -} - -/******************************************************************//** -Closes a handle to an InnoDB table. -@return 0 */ -UNIV_INTERN -int -ha_innobase::close(void) -/*====================*/ -{ - THD* thd; - - DBUG_ENTER("ha_innobase::close"); - - thd = ha_thd(); - if (thd != NULL) { - innobase_release_temporary_latches(ht, thd); - } - - row_prebuilt_free(prebuilt, FALSE); - - my_free(upd_buff, MYF(0)); - free_share(share); - - /* Tell InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - DBUG_RETURN(0); -} - -/* The following accessor functions should really be inside MySQL code! */ - -/**************************************************************//** -Gets field offset for a field in a table. -@return offset */ -static inline -uint -get_field_offset( -/*=============*/ - TABLE* table, /*!< in: MySQL table object */ - Field* field) /*!< in: MySQL field object */ -{ - return((uint) (field->ptr - table->record[0])); -} - -/**************************************************************//** -Checks if a field in a record is SQL NULL. Uses the record format -information in table to track the null bit in record. -@return 1 if NULL, 0 otherwise */ -static inline -uint -field_in_record_is_null( -/*====================*/ - TABLE* table, /*!< in: MySQL table object */ - Field* field, /*!< in: MySQL field object */ - char* record) /*!< in: a row in MySQL format */ -{ - int null_offset; - - if (!field->null_ptr) { - - return(0); - } - - null_offset = (uint) ((char*) field->null_ptr - - (char*) table->record[0]); - - if (record[null_offset] & field->null_bit) { - - return(1); - } - - return(0); -} - -/**************************************************************//** -Sets a field in a record to SQL NULL. Uses the record format -information in table to track the null bit in record. */ -static inline -void -set_field_in_record_to_null( -/*========================*/ - TABLE* table, /*!< in: MySQL table object */ - Field* field, /*!< in: MySQL field object */ - char* record) /*!< in: a row in MySQL format */ -{ - int null_offset; - - null_offset = (uint) ((char*) field->null_ptr - - (char*) table->record[0]); - - record[null_offset] = record[null_offset] | field->null_bit; -} - -/*************************************************************//** -InnoDB uses this function to compare two data fields for which the data type -is such that we must use MySQL code to compare them. NOTE that the prototype -of this function is in rem0cmp.c in InnoDB source code! If you change this -function, remember to update the prototype there! -@return 1, 0, -1, if a is greater, equal, less than b, respectively */ -extern "C" UNIV_INTERN -int -innobase_mysql_cmp( -/*===============*/ - int mysql_type, /*!< in: MySQL type */ - uint charset_number, /*!< in: number of the charset */ - const unsigned char* a, /*!< in: data field */ - unsigned int a_length, /*!< in: data field length, - not UNIV_SQL_NULL */ - const unsigned char* b, /*!< in: data field */ - unsigned int b_length) /*!< in: data field length, - not UNIV_SQL_NULL */ -{ - CHARSET_INFO* charset; - enum_field_types mysql_tp; - int ret; - - DBUG_ASSERT(a_length != UNIV_SQL_NULL); - DBUG_ASSERT(b_length != UNIV_SQL_NULL); - - mysql_tp = (enum_field_types) mysql_type; - - switch (mysql_tp) { - - case MYSQL_TYPE_BIT: - case MYSQL_TYPE_STRING: - case MYSQL_TYPE_VAR_STRING: - case MYSQL_TYPE_TINY_BLOB: - case MYSQL_TYPE_MEDIUM_BLOB: - case MYSQL_TYPE_BLOB: - case MYSQL_TYPE_LONG_BLOB: - case MYSQL_TYPE_VARCHAR: - /* Use the charset number to pick the right charset struct for - the comparison. Since the MySQL function get_charset may be - slow before Bar removes the mutex operation there, we first - look at 2 common charsets directly. */ - - if (charset_number == default_charset_info->number) { - charset = default_charset_info; - } else if (charset_number == my_charset_latin1.number) { - charset = &my_charset_latin1; - } else { - charset = get_charset(charset_number, MYF(MY_WME)); - - if (charset == NULL) { - sql_print_error("InnoDB needs charset %lu for doing " - "a comparison, but MySQL cannot " - "find that charset.", - (ulong) charset_number); - ut_a(0); - } - } - - /* Starting from 4.1.3, we use strnncollsp() in comparisons of - non-latin1_swedish_ci strings. NOTE that the collation order - changes then: 'b\0\0...' is ordered BEFORE 'b ...'. Users - having indexes on such data need to rebuild their tables! */ - - ret = charset->coll->strnncollsp(charset, - a, a_length, - b, b_length, 0); - if (ret < 0) { - return(-1); - } else if (ret > 0) { - return(1); - } else { - return(0); - } - default: - ut_error; - } - - return(0); -} - -/**************************************************************//** -Converts a MySQL type to an InnoDB type. Note that this function returns -the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 -VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. -@return DATA_BINARY, DATA_VARCHAR, ... */ -extern "C" UNIV_INTERN -ulint -get_innobase_type_from_mysql_type( -/*==============================*/ - ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an - 'unsigned type'; - at least ENUM and SET, - and unsigned integer - types are 'unsigned types' */ - const void* f) /*!< in: MySQL Field */ -{ - const class Field* field = reinterpret_cast(f); - - /* The following asserts try to check that the MySQL type code fits in - 8 bits: this is used in ibuf and also when DATA_NOT_NULL is ORed to - the type */ - - DBUG_ASSERT((ulint)MYSQL_TYPE_STRING < 256); - DBUG_ASSERT((ulint)MYSQL_TYPE_VAR_STRING < 256); - DBUG_ASSERT((ulint)MYSQL_TYPE_DOUBLE < 256); - DBUG_ASSERT((ulint)MYSQL_TYPE_FLOAT < 256); - DBUG_ASSERT((ulint)MYSQL_TYPE_DECIMAL < 256); - - if (field->flags & UNSIGNED_FLAG) { - - *unsigned_flag = DATA_UNSIGNED; - } else { - *unsigned_flag = 0; - } - - if (field->real_type() == MYSQL_TYPE_ENUM - || field->real_type() == MYSQL_TYPE_SET) { - - /* MySQL has field->type() a string type for these, but the - data is actually internally stored as an unsigned integer - code! */ - - *unsigned_flag = DATA_UNSIGNED; /* MySQL has its own unsigned - flag set to zero, even though - internally this is an unsigned - integer type */ - return(DATA_INT); - } - - switch (field->type()) { - /* NOTE that we only allow string types in DATA_MYSQL and - DATA_VARMYSQL */ - case MYSQL_TYPE_VAR_STRING: /* old <= 4.1 VARCHAR */ - case MYSQL_TYPE_VARCHAR: /* new >= 5.0.3 true VARCHAR */ - if (field->binary()) { - return(DATA_BINARY); - } else if (strcmp( - field->charset()->name, - "latin1_swedish_ci") == 0) { - return(DATA_VARCHAR); - } else { - return(DATA_VARMYSQL); - } - case MYSQL_TYPE_BIT: - case MYSQL_TYPE_STRING: if (field->binary()) { - - return(DATA_FIXBINARY); - } else if (strcmp( - field->charset()->name, - "latin1_swedish_ci") == 0) { - return(DATA_CHAR); - } else { - return(DATA_MYSQL); - } - case MYSQL_TYPE_NEWDECIMAL: - return(DATA_FIXBINARY); - case MYSQL_TYPE_LONG: - case MYSQL_TYPE_LONGLONG: - case MYSQL_TYPE_TINY: - case MYSQL_TYPE_SHORT: - case MYSQL_TYPE_INT24: - case MYSQL_TYPE_DATE: - case MYSQL_TYPE_DATETIME: - case MYSQL_TYPE_YEAR: - case MYSQL_TYPE_NEWDATE: - case MYSQL_TYPE_TIME: - case MYSQL_TYPE_TIMESTAMP: - return(DATA_INT); - case MYSQL_TYPE_FLOAT: - return(DATA_FLOAT); - case MYSQL_TYPE_DOUBLE: - return(DATA_DOUBLE); - case MYSQL_TYPE_DECIMAL: - return(DATA_DECIMAL); - case MYSQL_TYPE_GEOMETRY: - case MYSQL_TYPE_TINY_BLOB: - case MYSQL_TYPE_MEDIUM_BLOB: - case MYSQL_TYPE_BLOB: - case MYSQL_TYPE_LONG_BLOB: - return(DATA_BLOB); - default: - ut_error; - } - - return(0); -} - -/*******************************************************************//** -Writes an unsigned integer value < 64k to 2 bytes, in the little-endian -storage format. */ -static inline -void -innobase_write_to_2_little_endian( -/*==============================*/ - byte* buf, /*!< in: where to store */ - ulint val) /*!< in: value to write, must be < 64k */ -{ - ut_a(val < 256 * 256); - - buf[0] = (byte)(val & 0xFF); - buf[1] = (byte)(val / 256); -} - -/*******************************************************************//** -Reads an unsigned integer value < 64k from 2 bytes, in the little-endian -storage format. -@return value */ -static inline -uint -innobase_read_from_2_little_endian( -/*===============================*/ - const uchar* buf) /*!< in: from where to read */ -{ - return (uint) ((ulint)(buf[0]) + 256 * ((ulint)(buf[1]))); -} - -/*******************************************************************//** -Stores a key value for a row to a buffer. -@return key value length as stored in buff */ -UNIV_INTERN -uint -ha_innobase::store_key_val_for_row( -/*===============================*/ - uint keynr, /*!< in: key number */ - char* buff, /*!< in/out: buffer for the key value (in MySQL - format) */ - uint buff_len,/*!< in: buffer length */ - const uchar* record)/*!< in: row in MySQL format */ -{ - KEY* key_info = table->key_info + keynr; - KEY_PART_INFO* key_part = key_info->key_part; - KEY_PART_INFO* end = key_part + key_info->key_parts; - char* buff_start = buff; - enum_field_types mysql_type; - Field* field; - ibool is_null; - - DBUG_ENTER("store_key_val_for_row"); - - /* The format for storing a key field in MySQL is the following: - - 1. If the column can be NULL, then in the first byte we put 1 if the - field value is NULL, 0 otherwise. - - 2. If the column is of a BLOB type (it must be a column prefix field - in this case), then we put the length of the data in the field to the - next 2 bytes, in the little-endian format. If the field is SQL NULL, - then these 2 bytes are set to 0. Note that the length of data in the - field is <= column prefix length. - - 3. In a column prefix field, prefix_len next bytes are reserved for - data. In a normal field the max field length next bytes are reserved - for data. For a VARCHAR(n) the max field length is n. If the stored - value is the SQL NULL then these data bytes are set to 0. - - 4. We always use a 2 byte length for a true >= 5.0.3 VARCHAR. Note that - in the MySQL row format, the length is stored in 1 or 2 bytes, - depending on the maximum allowed length. But in the MySQL key value - format, the length always takes 2 bytes. - - We have to zero-fill the buffer so that MySQL is able to use a - simple memcmp to compare two key values to determine if they are - equal. MySQL does this to compare contents of two 'ref' values. */ - - bzero(buff, buff_len); - - for (; key_part != end; key_part++) { - is_null = FALSE; - - if (key_part->null_bit) { - if (record[key_part->null_offset] - & key_part->null_bit) { - *buff = 1; - is_null = TRUE; - } else { - *buff = 0; - } - buff++; - } - - field = key_part->field; - mysql_type = field->type(); - - if (mysql_type == MYSQL_TYPE_VARCHAR) { - /* >= 5.0.3 true VARCHAR */ - ulint lenlen; - ulint len; - const byte* data; - ulint key_len; - ulint true_len; - CHARSET_INFO* cs; - int error=0; - - key_len = key_part->length; - - if (is_null) { - buff += key_len + 2; - - continue; - } - cs = field->charset(); - - lenlen = (ulint) - (((Field_varstring*)field)->length_bytes); - - data = row_mysql_read_true_varchar(&len, - (byte*) (record - + (ulint)get_field_offset(table, field)), - lenlen); - - true_len = len; - - /* For multi byte character sets we need to calculate - the true length of the key */ - - if (len > 0 && cs->mbmaxlen > 1) { - true_len = (ulint) cs->cset->well_formed_len(cs, - (const char *) data, - (const char *) data + len, - (uint) (key_len / - cs->mbmaxlen), - &error); - } - - /* In a column prefix index, we may need to truncate - the stored value: */ - - if (true_len > key_len) { - true_len = key_len; - } - - /* The length in a key value is always stored in 2 - bytes */ - - row_mysql_store_true_var_len((byte*)buff, true_len, 2); - buff += 2; - - memcpy(buff, data, true_len); - - /* Note that we always reserve the maximum possible - length of the true VARCHAR in the key value, though - only len first bytes after the 2 length bytes contain - actual data. The rest of the space was reset to zero - in the bzero() call above. */ - - buff += key_len; - - } else if (mysql_type == MYSQL_TYPE_TINY_BLOB - || mysql_type == MYSQL_TYPE_MEDIUM_BLOB - || mysql_type == MYSQL_TYPE_BLOB - || mysql_type == MYSQL_TYPE_LONG_BLOB - /* MYSQL_TYPE_GEOMETRY data is treated - as BLOB data in innodb. */ - || mysql_type == MYSQL_TYPE_GEOMETRY) { - - CHARSET_INFO* cs; - ulint key_len; - ulint true_len; - int error=0; - ulint blob_len; - const byte* blob_data; - - ut_a(key_part->key_part_flag & HA_PART_KEY_SEG); - - key_len = key_part->length; - - if (is_null) { - buff += key_len + 2; - - continue; - } - - cs = field->charset(); - - blob_data = row_mysql_read_blob_ref(&blob_len, - (byte*) (record - + (ulint)get_field_offset(table, field)), - (ulint) field->pack_length()); - - true_len = blob_len; - - ut_a(get_field_offset(table, field) - == key_part->offset); - - /* For multi byte character sets we need to calculate - the true length of the key */ - - if (blob_len > 0 && cs->mbmaxlen > 1) { - true_len = (ulint) cs->cset->well_formed_len(cs, - (const char *) blob_data, - (const char *) blob_data - + blob_len, - (uint) (key_len / - cs->mbmaxlen), - &error); - } - - /* All indexes on BLOB and TEXT are column prefix - indexes, and we may need to truncate the data to be - stored in the key value: */ - - if (true_len > key_len) { - true_len = key_len; - } - - /* MySQL reserves 2 bytes for the length and the - storage of the number is little-endian */ - - innobase_write_to_2_little_endian( - (byte*)buff, true_len); - buff += 2; - - memcpy(buff, blob_data, true_len); - - /* Note that we always reserve the maximum possible - length of the BLOB prefix in the key value. */ - - buff += key_len; - } else { - /* Here we handle all other data types except the - true VARCHAR, BLOB and TEXT. Note that the column - value we store may be also in a column prefix - index. */ - - CHARSET_INFO* cs; - ulint true_len; - ulint key_len; - const uchar* src_start; - int error=0; - enum_field_types real_type; - - key_len = key_part->length; - - if (is_null) { - buff += key_len; - - continue; - } - - src_start = record + key_part->offset; - real_type = field->real_type(); - true_len = key_len; - - /* Character set for the field is defined only - to fields whose type is string and real field - type is not enum or set. For these fields check - if character set is multi byte. */ - - if (real_type != MYSQL_TYPE_ENUM - && real_type != MYSQL_TYPE_SET - && ( mysql_type == MYSQL_TYPE_VAR_STRING - || mysql_type == MYSQL_TYPE_STRING)) { - - cs = field->charset(); - - /* For multi byte character sets we need to - calculate the true length of the key */ - - if (key_len > 0 && cs->mbmaxlen > 1) { - - true_len = (ulint) - cs->cset->well_formed_len(cs, - (const char *)src_start, - (const char *)src_start - + key_len, - (uint) (key_len / - cs->mbmaxlen), - &error); - } - } - - memcpy(buff, src_start, true_len); - buff += true_len; - - /* Pad the unused space with spaces. Note that no - padding is ever needed for UCS-2 because in MySQL, - all UCS2 characters are 2 bytes, as MySQL does not - support surrogate pairs, which are needed to represent - characters in the range U+10000 to U+10FFFF. */ - - if (true_len < key_len) { - ulint pad_len = key_len - true_len; - memset(buff, ' ', pad_len); - buff += pad_len; - } - } - } - - ut_a(buff <= buff_start + buff_len); - - DBUG_RETURN((uint)(buff - buff_start)); -} - -/**************************************************************//** -Builds a 'template' to the prebuilt struct. The template is used in fast -retrieval of just those column values MySQL needs in its processing. */ -static -void -build_template( -/*===========*/ - row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct */ - THD* thd, /*!< in: current user thread, used - only if templ_type is - ROW_MYSQL_REC_FIELDS */ - TABLE* table, /*!< in: MySQL table */ - uint templ_type) /*!< in: ROW_MYSQL_WHOLE_ROW or - ROW_MYSQL_REC_FIELDS */ -{ - dict_index_t* index; - dict_index_t* clust_index; - mysql_row_templ_t* templ; - Field* field; - ulint n_fields; - ulint n_requested_fields = 0; - ibool fetch_all_in_key = FALSE; - ibool fetch_primary_key_cols = FALSE; - ulint i; - /* byte offset of the end of last requested column */ - ulint mysql_prefix_len = 0; - - if (prebuilt->select_lock_type == LOCK_X) { - /* We always retrieve the whole clustered index record if we - use exclusive row level locks, for example, if the read is - done in an UPDATE statement. */ - - templ_type = ROW_MYSQL_WHOLE_ROW; - } - - if (templ_type == ROW_MYSQL_REC_FIELDS) { - if (prebuilt->hint_need_to_fetch_extra_cols - == ROW_RETRIEVE_ALL_COLS) { - - /* We know we must at least fetch all columns in the - key, or all columns in the table */ - - if (prebuilt->read_just_key) { - /* MySQL has instructed us that it is enough - to fetch the columns in the key; looks like - MySQL can set this flag also when there is - only a prefix of the column in the key: in - that case we retrieve the whole column from - the clustered index */ - - fetch_all_in_key = TRUE; - } else { - templ_type = ROW_MYSQL_WHOLE_ROW; - } - } else if (prebuilt->hint_need_to_fetch_extra_cols - == ROW_RETRIEVE_PRIMARY_KEY) { - /* We must at least fetch all primary key cols. Note - that if the clustered index was internally generated - by InnoDB on the row id (no primary key was - defined), then row_search_for_mysql() will always - retrieve the row id to a special buffer in the - prebuilt struct. */ - - fetch_primary_key_cols = TRUE; - } - } - - clust_index = dict_table_get_first_index(prebuilt->table); - - if (templ_type == ROW_MYSQL_REC_FIELDS) { - index = prebuilt->index; - } else { - index = clust_index; - } - - if (index == clust_index) { - prebuilt->need_to_access_clustered = TRUE; - } else { - prebuilt->need_to_access_clustered = FALSE; - /* Below we check column by column if we need to access - the clustered index */ - } - - n_fields = (ulint)table->s->fields; /* number of columns */ - - if (!prebuilt->mysql_template) { - prebuilt->mysql_template = (mysql_row_templ_t*) - mem_alloc(n_fields * sizeof(mysql_row_templ_t)); - } - - prebuilt->template_type = templ_type; - prebuilt->null_bitmap_len = table->s->null_bytes; - - prebuilt->templ_contains_blob = FALSE; - - /* Note that in InnoDB, i is the column number. MySQL calls columns - 'fields'. */ - for (i = 0; i < n_fields; i++) { - templ = prebuilt->mysql_template + n_requested_fields; - field = table->field[i]; - - if (UNIV_LIKELY(templ_type == ROW_MYSQL_REC_FIELDS)) { - /* Decide which columns we should fetch - and which we can skip. */ - register const ibool index_contains_field = - dict_index_contains_col_or_prefix(index, i); - - if (!index_contains_field && prebuilt->read_just_key) { - /* If this is a 'key read', we do not need - columns that are not in the key */ - - goto skip_field; - } - - if (index_contains_field && fetch_all_in_key) { - /* This field is needed in the query */ - - goto include_field; - } - - if (bitmap_is_set(table->read_set, i) || - bitmap_is_set(table->write_set, i)) { - /* This field is needed in the query */ - - goto include_field; - } - - if (fetch_primary_key_cols - && dict_table_col_in_clustered_key( - index->table, i)) { - /* This field is needed in the query */ - - goto include_field; - } - - /* This field is not needed in the query, skip it */ - - goto skip_field; - } -include_field: - n_requested_fields++; - - templ->col_no = i; - - if (index == clust_index) { - templ->rec_field_no = dict_col_get_clust_pos( - &index->table->cols[i], index); - } else { - templ->rec_field_no = dict_index_get_nth_col_pos( - index, i); - } - - if (templ->rec_field_no == ULINT_UNDEFINED) { - prebuilt->need_to_access_clustered = TRUE; - } - - if (field->null_ptr) { - templ->mysql_null_byte_offset = - (ulint) ((char*) field->null_ptr - - (char*) table->record[0]); - - templ->mysql_null_bit_mask = (ulint) field->null_bit; - } else { - templ->mysql_null_bit_mask = 0; - } - - templ->mysql_col_offset = (ulint) - get_field_offset(table, field); - - templ->mysql_col_len = (ulint) field->pack_length(); - if (mysql_prefix_len < templ->mysql_col_offset - + templ->mysql_col_len) { - mysql_prefix_len = templ->mysql_col_offset - + templ->mysql_col_len; - } - templ->type = index->table->cols[i].mtype; - templ->mysql_type = (ulint)field->type(); - - if (templ->mysql_type == DATA_MYSQL_TRUE_VARCHAR) { - templ->mysql_length_bytes = (ulint) - (((Field_varstring*)field)->length_bytes); - } - - templ->charset = dtype_get_charset_coll( - index->table->cols[i].prtype); - templ->mbminlen = index->table->cols[i].mbminlen; - templ->mbmaxlen = index->table->cols[i].mbmaxlen; - templ->is_unsigned = index->table->cols[i].prtype - & DATA_UNSIGNED; - if (templ->type == DATA_BLOB) { - prebuilt->templ_contains_blob = TRUE; - } -skip_field: - ; - } - - prebuilt->n_template = n_requested_fields; - prebuilt->mysql_prefix_len = mysql_prefix_len; - - if (index != clust_index && prebuilt->need_to_access_clustered) { - /* Change rec_field_no's to correspond to the clustered index - record */ - for (i = 0; i < n_requested_fields; i++) { - templ = prebuilt->mysql_template + i; - - templ->rec_field_no = dict_col_get_clust_pos( - &index->table->cols[templ->col_no], - clust_index); - } - } -} - -/********************************************************************//** -This special handling is really to overcome the limitations of MySQL's -binlogging. We need to eliminate the non-determinism that will arise in -INSERT ... SELECT type of statements, since MySQL binlog only stores the -min value of the autoinc interval. Once that is fixed we can get rid of -the special lock handling. -@return DB_SUCCESS if all OK else error code */ -UNIV_INTERN -ulint -ha_innobase::innobase_lock_autoinc(void) -/*====================================*/ -{ - ulint error = DB_SUCCESS; - - switch (innobase_autoinc_lock_mode) { - case AUTOINC_NO_LOCKING: - /* Acquire only the AUTOINC mutex. */ - dict_table_autoinc_lock(prebuilt->table); - break; - - case AUTOINC_NEW_STYLE_LOCKING: - /* For simple (single/multi) row INSERTs, we fallback to the - old style only if another transaction has already acquired - the AUTOINC lock on behalf of a LOAD FILE or INSERT ... SELECT - etc. type of statement. */ - if (thd_sql_command(user_thd) == SQLCOM_INSERT - || thd_sql_command(user_thd) == SQLCOM_REPLACE) { - dict_table_t* table = prebuilt->table; - - /* Acquire the AUTOINC mutex. */ - dict_table_autoinc_lock(table); - - /* We need to check that another transaction isn't - already holding the AUTOINC lock on the table. */ - if (table->n_waiting_or_granted_auto_inc_locks) { - /* Release the mutex to avoid deadlocks. */ - dict_table_autoinc_unlock(table); - } else { - break; - } - } - /* Fall through to old style locking. */ - - case AUTOINC_OLD_STYLE_LOCKING: - error = row_lock_table_autoinc_for_mysql(prebuilt); - - if (error == DB_SUCCESS) { - - /* Acquire the AUTOINC mutex. */ - dict_table_autoinc_lock(prebuilt->table); - } - break; - - default: - ut_error; - } - - return(ulong(error)); -} - -/********************************************************************//** -Reset the autoinc value in the table. -@return DB_SUCCESS if all went well else error code */ -UNIV_INTERN -ulint -ha_innobase::innobase_reset_autoinc( -/*================================*/ - ulonglong autoinc) /*!< in: value to store */ -{ - ulint error; - - error = innobase_lock_autoinc(); - - if (error == DB_SUCCESS) { - - dict_table_autoinc_initialize(prebuilt->table, autoinc); - - dict_table_autoinc_unlock(prebuilt->table); - } - - return(ulong(error)); -} - -/********************************************************************//** -Store the autoinc value in the table. The autoinc value is only set if -it's greater than the existing autoinc value in the table. -@return DB_SUCCESS if all went well else error code */ -UNIV_INTERN -ulint -ha_innobase::innobase_set_max_autoinc( -/*==================================*/ - ulonglong auto_inc) /*!< in: value to store */ -{ - ulint error; - - error = innobase_lock_autoinc(); - - if (error == DB_SUCCESS) { - - dict_table_autoinc_update_if_greater(prebuilt->table, auto_inc); - - dict_table_autoinc_unlock(prebuilt->table); - } - - return(ulong(error)); -} - -/********************************************************************//** -Stores a row in an InnoDB database, to the table specified in this -handle. -@return error code */ -UNIV_INTERN -int -ha_innobase::write_row( -/*===================*/ - uchar* record) /*!< in: a row in MySQL format */ -{ - ulint error = 0; - int error_result= 0; - ibool auto_inc_used= FALSE; - ulint sql_command; - trx_t* trx = thd_to_trx(user_thd); - - DBUG_ENTER("ha_innobase::write_row"); - - if (prebuilt->trx != trx) { - sql_print_error("The transaction object for the table handle is at " - "%p, but for the current thread it is at %p", - (const void*) prebuilt->trx, (const void*) trx); - - fputs("InnoDB: Dump of 200 bytes around prebuilt: ", stderr); - ut_print_buf(stderr, ((const byte*)prebuilt) - 100, 200); - fputs("\n" - "InnoDB: Dump of 200 bytes around ha_data: ", - stderr); - ut_print_buf(stderr, ((const byte*) trx) - 100, 200); - putc('\n', stderr); - ut_error; - } - - ha_statistic_increment(&SSV::ha_write_count); - - if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_INSERT) - table->timestamp_field->set_time(); - - sql_command = thd_sql_command(user_thd); - - if ((sql_command == SQLCOM_ALTER_TABLE - || sql_command == SQLCOM_OPTIMIZE - || sql_command == SQLCOM_CREATE_INDEX - || sql_command == SQLCOM_DROP_INDEX) - && num_write_row >= 10000) { - /* ALTER TABLE is COMMITted at every 10000 copied rows. - The IX table lock for the original table has to be re-issued. - As this method will be called on a temporary table where the - contents of the original table is being copied to, it is - a bit tricky to determine the source table. The cursor - position in the source table need not be adjusted after the - intermediate COMMIT, since writes by other transactions are - being blocked by a MySQL table lock TL_WRITE_ALLOW_READ. */ - - dict_table_t* src_table; - enum lock_mode mode; - - num_write_row = 0; - - /* Commit the transaction. This will release the table - locks, so they have to be acquired again. */ - - /* Altering an InnoDB table */ - /* Get the source table. */ - src_table = lock_get_src_table( - prebuilt->trx, prebuilt->table, &mode); - if (!src_table) { -no_commit: - /* Unknown situation: do not commit */ - /* - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ALTER TABLE is holding lock" - " on %lu tables!\n", - prebuilt->trx->mysql_n_tables_locked); - */ - ; - } else if (src_table == prebuilt->table) { - /* Source table is not in InnoDB format: - no need to re-acquire locks on it. */ - - /* Altering to InnoDB format */ - innobase_commit(ht, user_thd, 1); - /* Note that this transaction is still active. */ - prebuilt->trx->active_trans = 1; - /* We will need an IX lock on the destination table. */ - prebuilt->sql_stat_start = TRUE; - } else { - /* Ensure that there are no other table locks than - LOCK_IX and LOCK_AUTO_INC on the destination table. */ - - if (!lock_is_table_exclusive(prebuilt->table, - prebuilt->trx)) { - goto no_commit; - } - - /* Commit the transaction. This will release the table - locks, so they have to be acquired again. */ - innobase_commit(ht, user_thd, 1); - /* Note that this transaction is still active. */ - prebuilt->trx->active_trans = 1; - /* Re-acquire the table lock on the source table. */ - row_lock_table_for_mysql(prebuilt, src_table, mode); - /* We will need an IX lock on the destination table. */ - prebuilt->sql_stat_start = TRUE; - } - } - - num_write_row++; - - /* This is the case where the table has an auto-increment column */ - if (table->next_number_field && record == table->record[0]) { - - /* Reset the error code before calling - innobase_get_auto_increment(). */ - prebuilt->autoinc_error = DB_SUCCESS; - - if ((error = update_auto_increment())) { - /* We don't want to mask autoinc overflow errors. */ - - /* Handle the case where the AUTOINC sub-system - failed during initialization. */ - if (prebuilt->autoinc_error == DB_UNSUPPORTED) { - error_result = ER_AUTOINC_READ_FAILED; - /* Set the error message to report too. */ - my_error(ER_AUTOINC_READ_FAILED, MYF(0)); - goto func_exit; - } else if (prebuilt->autoinc_error != DB_SUCCESS) { - error = (int) prebuilt->autoinc_error; - goto report_error; - } - - /* MySQL errors are passed straight back. */ - error_result = (int) error; - goto func_exit; - } - - auto_inc_used = TRUE; - } - - if (prebuilt->mysql_template == NULL - || prebuilt->template_type != ROW_MYSQL_WHOLE_ROW) { - - /* Build the template used in converting quickly between - the two database formats */ - - build_template(prebuilt, NULL, table, ROW_MYSQL_WHOLE_ROW); - } - - innodb_srv_conc_enter_innodb(prebuilt->trx); - - error = row_insert_for_mysql((byte*) record, prebuilt); - - /* Handle duplicate key errors */ - if (auto_inc_used) { - ulint err; - ulonglong auto_inc; - ulonglong col_max_value; - - /* Note the number of rows processed for this statement, used - by get_auto_increment() to determine the number of AUTO-INC - values to reserve. This is only useful for a mult-value INSERT - and is a statement level counter.*/ - if (trx->n_autoinc_rows > 0) { - --trx->n_autoinc_rows; - } - - /* We need the upper limit of the col type to check for - whether we update the table autoinc counter or not. */ - col_max_value = innobase_get_int_col_max_value( - table->next_number_field); - - /* Get the value that MySQL attempted to store in the table.*/ - auto_inc = table->next_number_field->val_int(); - - switch (error) { - case DB_DUPLICATE_KEY: - - /* A REPLACE command and LOAD DATA INFILE REPLACE - handle a duplicate key error themselves, but we - must update the autoinc counter if we are performing - those statements. */ - - switch (sql_command) { - case SQLCOM_LOAD: - if ((trx->duplicates - & (TRX_DUP_IGNORE | TRX_DUP_REPLACE))) { - - goto set_max_autoinc; - } - break; - - case SQLCOM_REPLACE: - case SQLCOM_INSERT_SELECT: - case SQLCOM_REPLACE_SELECT: - goto set_max_autoinc; - - default: - break; - } - - break; - - case DB_SUCCESS: - /* If the actual value inserted is greater than - the upper limit of the interval, then we try and - update the table upper limit. Note: last_value - will be 0 if get_auto_increment() was not called.*/ - - if (auto_inc >= prebuilt->autoinc_last_value) { -set_max_autoinc: - /* This should filter out the negative - values set explicitly by the user. */ - if (auto_inc <= col_max_value) { - ut_a(prebuilt->autoinc_increment > 0); - - ulonglong need; - ulonglong offset; - - offset = prebuilt->autoinc_offset; - need = prebuilt->autoinc_increment; - - auto_inc = innobase_next_autoinc( - auto_inc, - need, offset, col_max_value); - - err = innobase_set_max_autoinc( - auto_inc); - - if (err != DB_SUCCESS) { - error = err; - } - } - } - break; - } - } - - innodb_srv_conc_exit_innodb(prebuilt->trx); - -report_error: - error_result = convert_error_code_to_mysql((int) error, - prebuilt->table->flags, - user_thd); - -func_exit: - innobase_active_small(); - - DBUG_RETURN(error_result); -} - -/**********************************************************************//** -Checks which fields have changed in a row and stores information -of them to an update vector. -@return error number or 0 */ -static -int -calc_row_difference( -/*================*/ - upd_t* uvect, /*!< in/out: update vector */ - uchar* old_row, /*!< in: old row in MySQL format */ - uchar* new_row, /*!< in: new row in MySQL format */ - TABLE* table, /*!< in: table in MySQL data - dictionary */ - uchar* upd_buff, /*!< in: buffer to use */ - ulint buff_len, /*!< in: buffer length */ - row_prebuilt_t* prebuilt, /*!< in: InnoDB prebuilt struct */ - THD* thd) /*!< in: user thread */ -{ - uchar* original_upd_buff = upd_buff; - Field* field; - enum_field_types field_mysql_type; - uint n_fields; - ulint o_len; - ulint n_len; - ulint col_pack_len; - const byte* new_mysql_row_col; - const byte* o_ptr; - const byte* n_ptr; - byte* buf; - upd_field_t* ufield; - ulint col_type; - ulint n_changed = 0; - dfield_t dfield; - dict_index_t* clust_index; - uint i; - - n_fields = table->s->fields; - clust_index = dict_table_get_first_index(prebuilt->table); - - /* We use upd_buff to convert changed fields */ - buf = (byte*) upd_buff; - - for (i = 0; i < n_fields; i++) { - field = table->field[i]; - - o_ptr = (const byte*) old_row + get_field_offset(table, field); - n_ptr = (const byte*) new_row + get_field_offset(table, field); - - /* Use new_mysql_row_col and col_pack_len save the values */ - - new_mysql_row_col = n_ptr; - col_pack_len = field->pack_length(); - - o_len = col_pack_len; - n_len = col_pack_len; - - /* We use o_ptr and n_ptr to dig up the actual data for - comparison. */ - - field_mysql_type = field->type(); - - col_type = prebuilt->table->cols[i].mtype; - - switch (col_type) { - - case DATA_BLOB: - o_ptr = row_mysql_read_blob_ref(&o_len, o_ptr, o_len); - n_ptr = row_mysql_read_blob_ref(&n_len, n_ptr, n_len); - - break; - - case DATA_VARCHAR: - case DATA_BINARY: - case DATA_VARMYSQL: - if (field_mysql_type == MYSQL_TYPE_VARCHAR) { - /* This is a >= 5.0.3 type true VARCHAR where - the real payload data length is stored in - 1 or 2 bytes */ - - o_ptr = row_mysql_read_true_varchar( - &o_len, o_ptr, - (ulint) - (((Field_varstring*)field)->length_bytes)); - - n_ptr = row_mysql_read_true_varchar( - &n_len, n_ptr, - (ulint) - (((Field_varstring*)field)->length_bytes)); - } - - break; - default: - ; - } - - if (field->null_ptr) { - if (field_in_record_is_null(table, field, - (char*) old_row)) { - o_len = UNIV_SQL_NULL; - } - - if (field_in_record_is_null(table, field, - (char*) new_row)) { - n_len = UNIV_SQL_NULL; - } - } - - if (o_len != n_len || (o_len != UNIV_SQL_NULL && - 0 != memcmp(o_ptr, n_ptr, o_len))) { - /* The field has changed */ - - ufield = uvect->fields + n_changed; - - /* Let us use a dummy dfield to make the conversion - from the MySQL column format to the InnoDB format */ - - dict_col_copy_type(prebuilt->table->cols + i, - dfield_get_type(&dfield)); - - if (n_len != UNIV_SQL_NULL) { - buf = row_mysql_store_col_in_innobase_format( - &dfield, - (byte*)buf, - TRUE, - new_mysql_row_col, - col_pack_len, - dict_table_is_comp(prebuilt->table)); - dfield_copy_data(&ufield->new_val, &dfield); - } else { - dfield_set_null(&ufield->new_val); - } - - ufield->exp = NULL; - ufield->orig_len = 0; - ufield->field_no = dict_col_get_clust_pos( - &prebuilt->table->cols[i], clust_index); - n_changed++; - } - } - - uvect->n_fields = n_changed; - uvect->info_bits = 0; - - ut_a(buf <= (byte*)original_upd_buff + buff_len); - - return(0); -} - -/**********************************************************************//** -Updates a row given as a parameter to a new value. Note that we are given -whole rows, not just the fields which are updated: this incurs some -overhead for CPU when we check which fields are actually updated. -TODO: currently InnoDB does not prevent the 'Halloween problem': -in a searched update a single row can get updated several times -if its index columns are updated! -@return error number or 0 */ -UNIV_INTERN -int -ha_innobase::update_row( -/*====================*/ - const uchar* old_row, /*!< in: old row in MySQL format */ - uchar* new_row) /*!< in: new row in MySQL format */ -{ - upd_t* uvect; - int error = 0; - trx_t* trx = thd_to_trx(user_thd); - - DBUG_ENTER("ha_innobase::update_row"); - - ut_a(prebuilt->trx == trx); - - ha_statistic_increment(&SSV::ha_update_count); - - if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_UPDATE) - table->timestamp_field->set_time(); - - if (prebuilt->upd_node) { - uvect = prebuilt->upd_node->update; - } else { - uvect = row_get_prebuilt_update_vector(prebuilt); - } - - /* Build an update vector from the modified fields in the rows - (uses upd_buff of the handle) */ - - calc_row_difference(uvect, (uchar*) old_row, new_row, table, - upd_buff, (ulint)upd_and_key_val_buff_len, - prebuilt, user_thd); - - /* This is not a delete */ - prebuilt->upd_node->is_delete = FALSE; - - ut_a(prebuilt->template_type == ROW_MYSQL_WHOLE_ROW); - - innodb_srv_conc_enter_innodb(trx); - - error = row_update_for_mysql((byte*) old_row, prebuilt); - - /* We need to do some special AUTOINC handling for the following case: - - INSERT INTO t (c1,c2) VALUES(x,y) ON DUPLICATE KEY UPDATE ... - - We need to use the AUTOINC counter that was actually used by - MySQL in the UPDATE statement, which can be different from the - value used in the INSERT statement.*/ - - if (error == DB_SUCCESS - && table->next_number_field - && new_row == table->record[0] - && thd_sql_command(user_thd) == SQLCOM_INSERT - && (trx->duplicates & (TRX_DUP_IGNORE | TRX_DUP_REPLACE)) - == TRX_DUP_IGNORE) { - - ulonglong auto_inc; - ulonglong col_max_value; - - auto_inc = table->next_number_field->val_int(); - - /* We need the upper limit of the col type to check for - whether we update the table autoinc counter or not. */ - col_max_value = innobase_get_int_col_max_value( - table->next_number_field); - - if (auto_inc <= col_max_value && auto_inc != 0) { - - ulonglong need; - ulonglong offset; - - offset = prebuilt->autoinc_offset; - need = prebuilt->autoinc_increment; - - auto_inc = innobase_next_autoinc( - auto_inc, need, offset, col_max_value); - - error = innobase_set_max_autoinc(auto_inc); - } - } - - innodb_srv_conc_exit_innodb(trx); - - error = convert_error_code_to_mysql(error, - prebuilt->table->flags, user_thd); - - if (error == 0 /* success */ - && uvect->n_fields == 0 /* no columns were updated */) { - - /* This is the same as success, but instructs - MySQL that the row is not really updated and it - should not increase the count of updated rows. - This is fix for http://bugs.mysql.com/29157 */ - error = HA_ERR_RECORD_IS_THE_SAME; - } - - /* Tell InnoDB server that there might be work for - utility threads: */ - - innobase_active_small(); - - DBUG_RETURN(error); -} - -/**********************************************************************//** -Deletes a row given as the parameter. -@return error number or 0 */ -UNIV_INTERN -int -ha_innobase::delete_row( -/*====================*/ - const uchar* record) /*!< in: a row in MySQL format */ -{ - int error = 0; - trx_t* trx = thd_to_trx(user_thd); - - DBUG_ENTER("ha_innobase::delete_row"); - - ut_a(prebuilt->trx == trx); - - ha_statistic_increment(&SSV::ha_delete_count); - - if (!prebuilt->upd_node) { - row_get_prebuilt_update_vector(prebuilt); - } - - /* This is a delete */ - - prebuilt->upd_node->is_delete = TRUE; - - innodb_srv_conc_enter_innodb(trx); - - error = row_update_for_mysql((byte*) record, prebuilt); - - innodb_srv_conc_exit_innodb(trx); - - error = convert_error_code_to_mysql( - error, prebuilt->table->flags, user_thd); - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - innobase_active_small(); - - DBUG_RETURN(error); -} - -/**********************************************************************//** -Removes a new lock set on a row, if it was not read optimistically. This can -be called after a row has been read in the processing of an UPDATE or a DELETE -query, if the option innodb_locks_unsafe_for_binlog is set. */ -UNIV_INTERN -void -ha_innobase::unlock_row(void) -/*=========================*/ -{ - DBUG_ENTER("ha_innobase::unlock_row"); - - /* Consistent read does not take any locks, thus there is - nothing to unlock. */ - - if (prebuilt->select_lock_type == LOCK_NONE) { - DBUG_VOID_RETURN; - } - - switch (prebuilt->row_read_type) { - case ROW_READ_WITH_LOCKS: - if (!srv_locks_unsafe_for_binlog - && prebuilt->trx->isolation_level - != TRX_ISO_READ_COMMITTED) { - break; - } - /* fall through */ - case ROW_READ_TRY_SEMI_CONSISTENT: - row_unlock_for_mysql(prebuilt, FALSE); - break; - case ROW_READ_DID_SEMI_CONSISTENT: - prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; - break; - } - - DBUG_VOID_RETURN; -} - -/* See handler.h and row0mysql.h for docs on this function. */ -UNIV_INTERN -bool -ha_innobase::was_semi_consistent_read(void) -/*=======================================*/ -{ - return(prebuilt->row_read_type == ROW_READ_DID_SEMI_CONSISTENT); -} - -/* See handler.h and row0mysql.h for docs on this function. */ -UNIV_INTERN -void -ha_innobase::try_semi_consistent_read(bool yes) -/*===========================================*/ -{ - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - /* Row read type is set to semi consistent read if this was - requested by the MySQL and either innodb_locks_unsafe_for_binlog - option is used or this session is using READ COMMITTED isolation - level. */ - - if (yes - && (srv_locks_unsafe_for_binlog - || prebuilt->trx->isolation_level == TRX_ISO_READ_COMMITTED)) { - prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; - } else { - prebuilt->row_read_type = ROW_READ_WITH_LOCKS; - } -} - -/******************************************************************//** -Initializes a handle to use an index. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::index_init( -/*====================*/ - uint keynr, /*!< in: key (index) number */ - bool sorted) /*!< in: 1 if result MUST be sorted according to index */ -{ - DBUG_ENTER("index_init"); - - DBUG_RETURN(change_active_index(keynr)); -} - -/******************************************************************//** -Currently does nothing. -@return 0 */ -UNIV_INTERN -int -ha_innobase::index_end(void) -/*========================*/ -{ - int error = 0; - DBUG_ENTER("index_end"); - active_index=MAX_KEY; - DBUG_RETURN(error); -} - -/*********************************************************************//** -Converts a search mode flag understood by MySQL to a flag understood -by InnoDB. */ -static inline -ulint -convert_search_mode_to_innobase( -/*============================*/ - enum ha_rkey_function find_flag) -{ - switch (find_flag) { - case HA_READ_KEY_EXACT: - /* this does not require the index to be UNIQUE */ - return(PAGE_CUR_GE); - case HA_READ_KEY_OR_NEXT: - return(PAGE_CUR_GE); - case HA_READ_KEY_OR_PREV: - return(PAGE_CUR_LE); - case HA_READ_AFTER_KEY: - return(PAGE_CUR_G); - case HA_READ_BEFORE_KEY: - return(PAGE_CUR_L); - case HA_READ_PREFIX: - return(PAGE_CUR_GE); - case HA_READ_PREFIX_LAST: - return(PAGE_CUR_LE); - case HA_READ_PREFIX_LAST_OR_PREV: - return(PAGE_CUR_LE); - /* In MySQL-4.0 HA_READ_PREFIX and HA_READ_PREFIX_LAST always - pass a complete-field prefix of a key value as the search - tuple. I.e., it is not allowed that the last field would - just contain n first bytes of the full field value. - MySQL uses a 'padding' trick to convert LIKE 'abc%' - type queries so that it can use as a search tuple - a complete-field-prefix of a key value. Thus, the InnoDB - search mode PAGE_CUR_LE_OR_EXTENDS is never used. - TODO: when/if MySQL starts to use also partial-field - prefixes, we have to deal with stripping of spaces - and comparison of non-latin1 char type fields in - innobase_mysql_cmp() to get PAGE_CUR_LE_OR_EXTENDS to - work correctly. */ - case HA_READ_MBR_CONTAIN: - case HA_READ_MBR_INTERSECT: - case HA_READ_MBR_WITHIN: - case HA_READ_MBR_DISJOINT: - case HA_READ_MBR_EQUAL: - return(PAGE_CUR_UNSUPP); - /* do not use "default:" in order to produce a gcc warning: - enumeration value '...' not handled in switch - (if -Wswitch or -Wall is used) */ - } - - my_error(ER_CHECK_NOT_IMPLEMENTED, MYF(0), "this functionality"); - - return(PAGE_CUR_UNSUPP); -} - -/* - BACKGROUND INFO: HOW A SELECT SQL QUERY IS EXECUTED - --------------------------------------------------- -The following does not cover all the details, but explains how we determine -the start of a new SQL statement, and what is associated with it. - -For each table in the database the MySQL interpreter may have several -table handle instances in use, also in a single SQL query. For each table -handle instance there is an InnoDB 'prebuilt' struct which contains most -of the InnoDB data associated with this table handle instance. - - A) if the user has not explicitly set any MySQL table level locks: - - 1) MySQL calls ::external_lock to set an 'intention' table level lock on -the table of the handle instance. There we set -prebuilt->sql_stat_start = TRUE. The flag sql_stat_start should be set -true if we are taking this table handle instance to use in a new SQL -statement issued by the user. We also increment trx->n_mysql_tables_in_use. - - 2) If prebuilt->sql_stat_start == TRUE we 'pre-compile' the MySQL search -instructions to prebuilt->template of the table handle instance in -::index_read. The template is used to save CPU time in large joins. - - 3) In row_search_for_mysql, if prebuilt->sql_stat_start is true, we -allocate a new consistent read view for the trx if it does not yet have one, -or in the case of a locking read, set an InnoDB 'intention' table level -lock on the table. - - 4) We do the SELECT. MySQL may repeatedly call ::index_read for the -same table handle instance, if it is a join. - - 5) When the SELECT ends, MySQL removes its intention table level locks -in ::external_lock. When trx->n_mysql_tables_in_use drops to zero, - (a) we execute a COMMIT there if the autocommit is on, - (b) we also release possible 'SQL statement level resources' InnoDB may -have for this SQL statement. The MySQL interpreter does NOT execute -autocommit for pure read transactions, though it should. That is why the -table handler in that case has to execute the COMMIT in ::external_lock. - - B) If the user has explicitly set MySQL table level locks, then MySQL -does NOT call ::external_lock at the start of the statement. To determine -when we are at the start of a new SQL statement we at the start of -::index_read also compare the query id to the latest query id where the -table handle instance was used. If it has changed, we know we are at the -start of a new SQL statement. Since the query id can theoretically -overwrap, we use this test only as a secondary way of determining the -start of a new SQL statement. */ - - -/**********************************************************************//** -Positions an index cursor to the index specified in the handle. Fetches the -row if any. -@return 0, HA_ERR_KEY_NOT_FOUND, or error number */ -UNIV_INTERN -int -ha_innobase::index_read( -/*====================*/ - uchar* buf, /*!< in/out: buffer for the returned - row */ - const uchar* key_ptr, /*!< in: key value; if this is NULL - we position the cursor at the - start or end of index; this can - also contain an InnoDB row id, in - which case key_len is the InnoDB - row id length; the key value can - also be a prefix of a full key value, - and the last column can be a prefix - of a full column */ - uint key_len,/*!< in: key value length */ - enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ -{ - ulint mode; - dict_index_t* index; - ulint match_mode = 0; - int error; - ulint ret; - - DBUG_ENTER("index_read"); - - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - - ha_statistic_increment(&SSV::ha_read_key_count); - - index = prebuilt->index; - - if (UNIV_UNLIKELY(index == NULL)) { - prebuilt->index_usable = FALSE; - DBUG_RETURN(HA_ERR_CRASHED); - } - - /* Note that if the index for which the search template is built is not - necessarily prebuilt->index, but can also be the clustered index */ - - if (prebuilt->sql_stat_start) { - build_template(prebuilt, user_thd, table, ROW_MYSQL_REC_FIELDS); - } - - if (key_ptr) { - /* Convert the search key value to InnoDB format into - prebuilt->search_tuple */ - - row_sel_convert_mysql_key_to_innobase( - prebuilt->search_tuple, - (byte*) key_val_buff, - (ulint)upd_and_key_val_buff_len, - index, - (byte*) key_ptr, - (ulint) key_len, - prebuilt->trx); - } else { - /* We position the cursor to the last or the first entry - in the index */ - - dtuple_set_n_fields(prebuilt->search_tuple, 0); - } - - mode = convert_search_mode_to_innobase(find_flag); - - match_mode = 0; - - if (find_flag == HA_READ_KEY_EXACT) { - - match_mode = ROW_SEL_EXACT; - - } else if (find_flag == HA_READ_PREFIX - || find_flag == HA_READ_PREFIX_LAST) { - - match_mode = ROW_SEL_EXACT_PREFIX; - } - - last_match_mode = (uint) match_mode; - - if (mode != PAGE_CUR_UNSUPP) { - - innodb_srv_conc_enter_innodb(prebuilt->trx); - - ret = row_search_for_mysql((byte*) buf, mode, prebuilt, - match_mode, 0); - - innodb_srv_conc_exit_innodb(prebuilt->trx); - } else { - - ret = DB_UNSUPPORTED; - } - - switch (ret) { - case DB_SUCCESS: - error = 0; - table->status = 0; - break; - case DB_RECORD_NOT_FOUND: - error = HA_ERR_KEY_NOT_FOUND; - table->status = STATUS_NOT_FOUND; - break; - case DB_END_OF_INDEX: - error = HA_ERR_KEY_NOT_FOUND; - table->status = STATUS_NOT_FOUND; - break; - default: - error = convert_error_code_to_mysql((int) ret, - prebuilt->table->flags, - user_thd); - table->status = STATUS_NOT_FOUND; - break; - } - - DBUG_RETURN(error); -} - -/*******************************************************************//** -The following functions works like index_read, but it find the last -row with the current key value or prefix. -@return 0, HA_ERR_KEY_NOT_FOUND, or an error code */ -UNIV_INTERN -int -ha_innobase::index_read_last( -/*=========================*/ - uchar* buf, /*!< out: fetched row */ - const uchar* key_ptr,/*!< in: key value, or a prefix of a full - key value */ - uint key_len)/*!< in: length of the key val or prefix - in bytes */ -{ - return(index_read(buf, key_ptr, key_len, HA_READ_PREFIX_LAST)); -} - -/********************************************************************//** -Get the index for a handle. Does not change active index. -@return NULL or index instance. */ -UNIV_INTERN -dict_index_t* -ha_innobase::innobase_get_index( -/*============================*/ - uint keynr) /*!< in: use this index; MAX_KEY means always - clustered index, even if it was internally - generated by InnoDB */ -{ - KEY* key = 0; - dict_index_t* index = 0; - - DBUG_ENTER("innobase_get_index"); - ha_statistic_increment(&SSV::ha_read_key_count); - - if (keynr != MAX_KEY && table->s->keys > 0) { - key = table->key_info + keynr; - - index = innobase_index_lookup(share, keynr); - - if (index) { - ut_a(ut_strcmp(index->name, key->name) == 0); - } else { - /* Can't find index with keynr in the translation - table. Only print message if the index translation - table exists */ - if (share->idx_trans_tbl.index_mapping) { - sql_print_error("InnoDB could not find " - "index %s key no %u for " - "table %s through its " - "index translation table", - key ? key->name : "NULL", - keynr, - prebuilt->table->name); - } - - index = dict_table_get_index_on_name(prebuilt->table, - key->name); - } - } else { - index = dict_table_get_first_index(prebuilt->table); - } - - if (!index) { - sql_print_error( - "Innodb could not find key n:o %u with name %s " - "from dict cache for table %s", - keynr, key ? key->name : "NULL", - prebuilt->table->name); - } - - DBUG_RETURN(index); -} - -/********************************************************************//** -Changes the active index of a handle. -@return 0 or error code */ -UNIV_INTERN -int -ha_innobase::change_active_index( -/*=============================*/ - uint keynr) /*!< in: use this index; MAX_KEY means always clustered - index, even if it was internally generated by - InnoDB */ -{ - DBUG_ENTER("change_active_index"); - - ut_ad(user_thd == ha_thd()); - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - - active_index = keynr; - - prebuilt->index = innobase_get_index(keynr); - - if (UNIV_UNLIKELY(!prebuilt->index)) { - sql_print_warning("InnoDB: change_active_index(%u) failed", - keynr); - prebuilt->index_usable = FALSE; - DBUG_RETURN(1); - } - - prebuilt->index_usable = row_merge_is_index_usable(prebuilt->trx, - prebuilt->index); - - if (UNIV_UNLIKELY(!prebuilt->index_usable)) { - push_warning_printf(user_thd, MYSQL_ERROR::WARN_LEVEL_WARN, - HA_ERR_TABLE_DEF_CHANGED, - "InnoDB: insufficient history for index %u", - keynr); - /* The caller seems to ignore this. Thus, we must check - this again in row_search_for_mysql(). */ - DBUG_RETURN(2); - } - - ut_a(prebuilt->search_tuple != 0); - - dtuple_set_n_fields(prebuilt->search_tuple, prebuilt->index->n_fields); - - dict_index_copy_types(prebuilt->search_tuple, prebuilt->index, - prebuilt->index->n_fields); - - /* MySQL changes the active index for a handle also during some - queries, for example SELECT MAX(a), SUM(a) first retrieves the MAX() - and then calculates the sum. Previously we played safe and used - the flag ROW_MYSQL_WHOLE_ROW below, but that caused unnecessary - copying. Starting from MySQL-4.1 we use a more efficient flag here. */ - - build_template(prebuilt, user_thd, table, ROW_MYSQL_REC_FIELDS); - - DBUG_RETURN(0); -} - -/**********************************************************************//** -Positions an index cursor to the index specified in keynr. Fetches the -row if any. -??? This is only used to read whole keys ??? -@return error number or 0 */ -UNIV_INTERN -int -ha_innobase::index_read_idx( -/*========================*/ - uchar* buf, /*!< in/out: buffer for the returned - row */ - uint keynr, /*!< in: use this index */ - const uchar* key, /*!< in: key value; if this is NULL - we position the cursor at the - start or end of index */ - uint key_len, /*!< in: key value length */ - enum ha_rkey_function find_flag)/*!< in: search flags from my_base.h */ -{ - if (change_active_index(keynr)) { - - return(1); - } - - return(index_read(buf, key, key_len, find_flag)); -} - -/***********************************************************************//** -Reads the next or previous row from a cursor, which must have previously been -positioned using index_read. -@return 0, HA_ERR_END_OF_FILE, or error number */ -UNIV_INTERN -int -ha_innobase::general_fetch( -/*=======================*/ - uchar* buf, /*!< in/out: buffer for next row in MySQL - format */ - uint direction, /*!< in: ROW_SEL_NEXT or ROW_SEL_PREV */ - uint match_mode) /*!< in: 0, ROW_SEL_EXACT, or - ROW_SEL_EXACT_PREFIX */ -{ - ulint ret; - int error = 0; - - DBUG_ENTER("general_fetch"); - - ut_a(prebuilt->trx == thd_to_trx(user_thd)); - - innodb_srv_conc_enter_innodb(prebuilt->trx); - - ret = row_search_for_mysql( - (byte*)buf, 0, prebuilt, match_mode, direction); - - innodb_srv_conc_exit_innodb(prebuilt->trx); - - switch (ret) { - case DB_SUCCESS: - error = 0; - table->status = 0; - break; - case DB_RECORD_NOT_FOUND: - error = HA_ERR_END_OF_FILE; - table->status = STATUS_NOT_FOUND; - break; - case DB_END_OF_INDEX: - error = HA_ERR_END_OF_FILE; - table->status = STATUS_NOT_FOUND; - break; - default: - error = convert_error_code_to_mysql( - (int) ret, prebuilt->table->flags, user_thd); - table->status = STATUS_NOT_FOUND; - break; - } - - DBUG_RETURN(error); -} - -/***********************************************************************//** -Reads the next row from a cursor, which must have previously been -positioned using index_read. -@return 0, HA_ERR_END_OF_FILE, or error number */ -UNIV_INTERN -int -ha_innobase::index_next( -/*====================*/ - uchar* buf) /*!< in/out: buffer for next row in MySQL - format */ -{ - ha_statistic_increment(&SSV::ha_read_next_count); - - return(general_fetch(buf, ROW_SEL_NEXT, 0)); -} - -/*******************************************************************//** -Reads the next row matching to the key value given as the parameter. -@return 0, HA_ERR_END_OF_FILE, or error number */ -UNIV_INTERN -int -ha_innobase::index_next_same( -/*=========================*/ - uchar* buf, /*!< in/out: buffer for the row */ - const uchar* key, /*!< in: key value */ - uint keylen) /*!< in: key value length */ -{ - ha_statistic_increment(&SSV::ha_read_next_count); - - return(general_fetch(buf, ROW_SEL_NEXT, last_match_mode)); -} - -/***********************************************************************//** -Reads the previous row from a cursor, which must have previously been -positioned using index_read. -@return 0, HA_ERR_END_OF_FILE, or error number */ -UNIV_INTERN -int -ha_innobase::index_prev( -/*====================*/ - uchar* buf) /*!< in/out: buffer for previous row in MySQL format */ -{ - ha_statistic_increment(&SSV::ha_read_prev_count); - - return(general_fetch(buf, ROW_SEL_PREV, 0)); -} - -/********************************************************************//** -Positions a cursor on the first record in an index and reads the -corresponding row to buf. -@return 0, HA_ERR_END_OF_FILE, or error code */ -UNIV_INTERN -int -ha_innobase::index_first( -/*=====================*/ - uchar* buf) /*!< in/out: buffer for the row */ -{ - int error; - - DBUG_ENTER("index_first"); - ha_statistic_increment(&SSV::ha_read_first_count); - - error = index_read(buf, NULL, 0, HA_READ_AFTER_KEY); - - /* MySQL does not seem to allow this to return HA_ERR_KEY_NOT_FOUND */ - - if (error == HA_ERR_KEY_NOT_FOUND) { - error = HA_ERR_END_OF_FILE; - } - - DBUG_RETURN(error); -} - -/********************************************************************//** -Positions a cursor on the last record in an index and reads the -corresponding row to buf. -@return 0, HA_ERR_END_OF_FILE, or error code */ -UNIV_INTERN -int -ha_innobase::index_last( -/*====================*/ - uchar* buf) /*!< in/out: buffer for the row */ -{ - int error; - - DBUG_ENTER("index_last"); - ha_statistic_increment(&SSV::ha_read_last_count); - - error = index_read(buf, NULL, 0, HA_READ_BEFORE_KEY); - - /* MySQL does not seem to allow this to return HA_ERR_KEY_NOT_FOUND */ - - if (error == HA_ERR_KEY_NOT_FOUND) { - error = HA_ERR_END_OF_FILE; - } - - DBUG_RETURN(error); -} - -/****************************************************************//** -Initialize a table scan. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::rnd_init( -/*==================*/ - bool scan) /*!< in: TRUE if table/index scan FALSE otherwise */ -{ - int err; - - /* Store the active index value so that we can restore the original - value after a scan */ - - if (prebuilt->clust_index_was_generated) { - err = change_active_index(MAX_KEY); - } else { - err = change_active_index(primary_key); - } - - /* Don't use semi-consistent read in random row reads (by position). - This means we must disable semi_consistent_read if scan is false */ - - if (!scan) { - try_semi_consistent_read(0); - } - - start_of_scan = 1; - - return(err); -} - -/*****************************************************************//** -Ends a table scan. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::rnd_end(void) -/*======================*/ -{ - return(index_end()); -} - -/*****************************************************************//** -Reads the next row in a table scan (also used to read the FIRST row -in a table scan). -@return 0, HA_ERR_END_OF_FILE, or error number */ -UNIV_INTERN -int -ha_innobase::rnd_next( -/*==================*/ - uchar* buf) /*!< in/out: returns the row in this buffer, - in MySQL format */ -{ - int error; - - DBUG_ENTER("rnd_next"); - ha_statistic_increment(&SSV::ha_read_rnd_next_count); - - if (start_of_scan) { - error = index_first(buf); - - if (error == HA_ERR_KEY_NOT_FOUND) { - error = HA_ERR_END_OF_FILE; - } - - start_of_scan = 0; - } else { - error = general_fetch(buf, ROW_SEL_NEXT, 0); - } - - DBUG_RETURN(error); -} - -/**********************************************************************//** -Fetches a row from the table based on a row reference. -@return 0, HA_ERR_KEY_NOT_FOUND, or error code */ -UNIV_INTERN -int -ha_innobase::rnd_pos( -/*=================*/ - uchar* buf, /*!< in/out: buffer for the row */ - uchar* pos) /*!< in: primary key value of the row in the - MySQL format, or the row id if the clustered - index was internally generated by InnoDB; the - length of data in pos has to be ref_length */ -{ - int error; - uint keynr = active_index; - DBUG_ENTER("rnd_pos"); - DBUG_DUMP("key", pos, ref_length); - - ha_statistic_increment(&SSV::ha_read_rnd_count); - - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - if (prebuilt->clust_index_was_generated) { - /* No primary key was defined for the table and we - generated the clustered index from the row id: the - row reference is the row id, not any key value - that MySQL knows of */ - - error = change_active_index(MAX_KEY); - } else { - error = change_active_index(primary_key); - } - - if (error) { - DBUG_PRINT("error", ("Got error: %d", error)); - DBUG_RETURN(error); - } - - /* Note that we assume the length of the row reference is fixed - for the table, and it is == ref_length */ - - error = index_read(buf, pos, ref_length, HA_READ_KEY_EXACT); - - if (error) { - DBUG_PRINT("error", ("Got error: %d", error)); - } - - change_active_index(keynr); - - DBUG_RETURN(error); -} - -/*********************************************************************//** -Stores a reference to the current row to 'ref' field of the handle. Note -that in the case where we have generated the clustered index for the -table, the function parameter is illogical: we MUST ASSUME that 'record' -is the current 'position' of the handle, because if row ref is actually -the row id internally generated in InnoDB, then 'record' does not contain -it. We just guess that the row id must be for the record where the handle -was positioned the last time. */ -UNIV_INTERN -void -ha_innobase::position( -/*==================*/ - const uchar* record) /*!< in: row in MySQL format */ -{ - uint len; - - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - if (prebuilt->clust_index_was_generated) { - /* No primary key was defined for the table and we - generated the clustered index from row id: the - row reference will be the row id, not any key value - that MySQL knows of */ - - len = DATA_ROW_ID_LEN; - - memcpy(ref, prebuilt->row_id, len); - } else { - len = store_key_val_for_row(primary_key, (char*)ref, - ref_length, record); - } - - /* We assume that the 'ref' value len is always fixed for the same - table. */ - - if (len != ref_length) { - sql_print_error("Stored ref len is %lu, but table ref len is %lu", - (ulong) len, (ulong) ref_length); - } -} - -/* limit innodb monitor access to users with PROCESS privilege. -See http://bugs.mysql.com/32710 for expl. why we choose PROCESS. */ -#define IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(table_name, thd) \ - (row_is_magic_monitor_table(table_name) \ - && check_global_access(thd, PROCESS_ACL)) - -/*****************************************************************//** -Creates a table definition to an InnoDB database. */ -static -int -create_table_def( -/*=============*/ - trx_t* trx, /*!< in: InnoDB transaction handle */ - TABLE* form, /*!< in: information on table - columns and indexes */ - const char* table_name, /*!< in: table name */ - const char* path_of_temp_table,/*!< in: if this is a table explicitly - created by the user with the - TEMPORARY keyword, then this - parameter is the dir path where the - table should be placed if we create - an .ibd file for it (no .ibd extension - in the path, though); otherwise this - is NULL */ - ulint flags) /*!< in: table flags */ -{ - Field* field; - dict_table_t* table; - ulint n_cols; - int error; - ulint col_type; - ulint col_len; - ulint nulls_allowed; - ulint unsigned_type; - ulint binary_type; - ulint long_true_varchar; - ulint charset_no; - ulint i; - - DBUG_ENTER("create_table_def"); - DBUG_PRINT("enter", ("table_name: %s", table_name)); - - ut_a(trx->mysql_thd != NULL); - if (IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(table_name, - (THD*) trx->mysql_thd)) { - DBUG_RETURN(HA_ERR_GENERIC); - } - - n_cols = form->s->fields; - - /* We pass 0 as the space id, and determine at a lower level the space - id where to store the table */ - - table = dict_mem_table_create(table_name, 0, n_cols, flags); - - if (path_of_temp_table) { - table->dir_path_of_temp_table = - mem_heap_strdup(table->heap, path_of_temp_table); - } - - for (i = 0; i < n_cols; i++) { - field = form->field[i]; - - col_type = get_innobase_type_from_mysql_type(&unsigned_type, - field); - if (field->null_ptr) { - nulls_allowed = 0; - } else { - nulls_allowed = DATA_NOT_NULL; - } - - if (field->binary()) { - binary_type = DATA_BINARY_TYPE; - } else { - binary_type = 0; - } - - charset_no = 0; - - if (dtype_is_string_type(col_type)) { - - charset_no = (ulint)field->charset()->number; - - if (UNIV_UNLIKELY(charset_no >= 256)) { - /* in data0type.h we assume that the - number fits in one byte in prtype */ - push_warning_printf( - (THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_CANT_CREATE_TABLE, - "In InnoDB, charset-collation codes" - " must be below 256." - " Unsupported code %lu.", - (ulong) charset_no); - DBUG_RETURN(ER_CANT_CREATE_TABLE); - } - } - - ut_a(field->type() < 256); /* we assume in dtype_form_prtype() - that this fits in one byte */ - col_len = field->pack_length(); - - /* The MySQL pack length contains 1 or 2 bytes length field - for a true VARCHAR. Let us subtract that, so that the InnoDB - column length in the InnoDB data dictionary is the real - maximum byte length of the actual data. */ - - long_true_varchar = 0; - - if (field->type() == MYSQL_TYPE_VARCHAR) { - col_len -= ((Field_varstring*)field)->length_bytes; - - if (((Field_varstring*)field)->length_bytes == 2) { - long_true_varchar = DATA_LONG_TRUE_VARCHAR; - } - } - - /* First check whether the column to be added has a - system reserved name. */ - if (dict_col_name_is_reserved(field->field_name)){ - my_error(ER_WRONG_COLUMN_NAME, MYF(0), - field->field_name); - - dict_mem_table_free(table); - trx_commit_for_mysql(trx); - - error = DB_ERROR; - goto error_ret; - } - - dict_mem_table_add_col(table, table->heap, - (char*) field->field_name, - col_type, - dtype_form_prtype( - (ulint)field->type() - | nulls_allowed | unsigned_type - | binary_type | long_true_varchar, - charset_no), - col_len); - } - - error = row_create_table_for_mysql(table, trx); - - if (error == DB_DUPLICATE_KEY) { - char buf[100]; - char* buf_end = innobase_convert_identifier( - buf, sizeof buf - 1, table_name, strlen(table_name), - trx->mysql_thd, TRUE); - - *buf_end = '\0'; - my_error(ER_TABLE_EXISTS_ERROR, MYF(0), buf); - } - -error_ret: - error = convert_error_code_to_mysql(error, flags, NULL); - - DBUG_RETURN(error); -} - -/*****************************************************************//** -Creates an index in an InnoDB database. */ -static -int -create_index( -/*=========*/ - trx_t* trx, /*!< in: InnoDB transaction handle */ - TABLE* form, /*!< in: information on table - columns and indexes */ - ulint flags, /*!< in: InnoDB table flags */ - const char* table_name, /*!< in: table name */ - uint key_num) /*!< in: index number */ -{ - Field* field; - dict_index_t* index; - int error; - ulint n_fields; - KEY* key; - KEY_PART_INFO* key_part; - ulint ind_type; - ulint col_type; - ulint prefix_len; - ulint is_unsigned; - ulint i; - ulint j; - ulint* field_lengths; - - DBUG_ENTER("create_index"); - - key = form->key_info + key_num; - - n_fields = key->key_parts; - - /* Assert that "GEN_CLUST_INDEX" cannot be used as non-primary index */ - ut_a(innobase_strcasecmp(key->name, innobase_index_reserve_name) != 0); - - ind_type = 0; - - if (key_num == form->s->primary_key) { - ind_type = ind_type | DICT_CLUSTERED; - } - - if (key->flags & HA_NOSAME ) { - ind_type = ind_type | DICT_UNIQUE; - } - - /* We pass 0 as the space id, and determine at a lower level the space - id where to store the table */ - - index = dict_mem_index_create(table_name, key->name, 0, - ind_type, n_fields); - - field_lengths = (ulint*) my_malloc(sizeof(ulint) * n_fields, - MYF(MY_FAE)); - - for (i = 0; i < n_fields; i++) { - key_part = key->key_part + i; - - /* (The flag HA_PART_KEY_SEG denotes in MySQL a column prefix - field in an index: we only store a specified number of first - bytes of the column to the index field.) The flag does not - seem to be properly set by MySQL. Let us fall back on testing - the length of the key part versus the column. */ - - field = NULL; - for (j = 0; j < form->s->fields; j++) { - - field = form->field[j]; - - if (0 == innobase_strcasecmp( - field->field_name, - key_part->field->field_name)) { - /* Found the corresponding column */ - - break; - } - } - - ut_a(j < form->s->fields); - - col_type = get_innobase_type_from_mysql_type( - &is_unsigned, key_part->field); - - if (DATA_BLOB == col_type - || (key_part->length < field->pack_length() - && field->type() != MYSQL_TYPE_VARCHAR) - || (field->type() == MYSQL_TYPE_VARCHAR - && key_part->length < field->pack_length() - - ((Field_varstring*)field)->length_bytes)) { - - prefix_len = key_part->length; - - if (col_type == DATA_INT - || col_type == DATA_FLOAT - || col_type == DATA_DOUBLE - || col_type == DATA_DECIMAL) { - sql_print_error( - "MySQL is trying to create a column " - "prefix index field, on an " - "inappropriate data type. Table " - "name %s, column name %s.", - table_name, - key_part->field->field_name); - - prefix_len = 0; - } - } else { - prefix_len = 0; - } - - field_lengths[i] = key_part->length; - - dict_mem_index_add_field(index, - (char*) key_part->field->field_name, prefix_len); - } - - /* Even though we've defined max_supported_key_part_length, we - still do our own checking using field_lengths to be absolutely - sure we don't create too long indexes. */ - error = row_create_index_for_mysql(index, trx, field_lengths); - - error = convert_error_code_to_mysql(error, flags, NULL); - - my_free(field_lengths, MYF(0)); - - DBUG_RETURN(error); -} - -/*****************************************************************//** -Creates an index to an InnoDB table when the user has defined no -primary index. */ -static -int -create_clustered_index_when_no_primary( -/*===================================*/ - trx_t* trx, /*!< in: InnoDB transaction handle */ - ulint flags, /*!< in: InnoDB table flags */ - const char* table_name) /*!< in: table name */ -{ - dict_index_t* index; - int error; - - /* We pass 0 as the space id, and determine at a lower level the space - id where to store the table */ - index = dict_mem_index_create(table_name, - innobase_index_reserve_name, - 0, DICT_CLUSTERED, 0); - - error = row_create_index_for_mysql(index, trx, NULL); - - error = convert_error_code_to_mysql(error, flags, NULL); - - return(error); -} - -/*****************************************************************//** -Validates the create options. We may build on this function -in future. For now, it checks two specifiers: -KEY_BLOCK_SIZE and ROW_FORMAT -If innodb_strict_mode is not set then this function is a no-op -@return TRUE if valid. */ -static -ibool -create_options_are_valid( -/*=====================*/ - THD* thd, /*!< in: connection thread. */ - TABLE* form, /*!< in: information on table - columns and indexes */ - HA_CREATE_INFO* create_info) /*!< in: create info. */ -{ - ibool kbs_specified = FALSE; - ibool ret = TRUE; - - - ut_ad(thd != NULL); - - /* If innodb_strict_mode is not set don't do any validation. */ - if (!(THDVAR(thd, strict_mode))) { - return(TRUE); - } - - ut_ad(form != NULL); - ut_ad(create_info != NULL); - - /* First check if KEY_BLOCK_SIZE was specified. */ - if (create_info->key_block_size - || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { - - kbs_specified = TRUE; - switch (create_info->key_block_size) { - case 1: - case 2: - case 4: - case 8: - case 16: - /* Valid value. */ - break; - default: - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: invalid" - " KEY_BLOCK_SIZE = %lu." - " Valid values are" - " [1, 2, 4, 8, 16]", - create_info->key_block_size); - ret = FALSE; - } - } - - /* If KEY_BLOCK_SIZE was specified, check for its - dependencies. */ - if (kbs_specified && !srv_file_per_table) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: KEY_BLOCK_SIZE" - " requires innodb_file_per_table."); - ret = FALSE; - } - - if (kbs_specified && srv_file_format < DICT_TF_FORMAT_ZIP) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: KEY_BLOCK_SIZE" - " requires innodb_file_format >" - " Antelope."); - ret = FALSE; - } - - /* Now check for ROW_FORMAT specifier. */ - if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { - switch (form->s->row_type) { - const char* row_format_name; - case ROW_TYPE_COMPRESSED: - case ROW_TYPE_DYNAMIC: - row_format_name - = form->s->row_type == ROW_TYPE_COMPRESSED - ? "COMPRESSED" - : "DYNAMIC"; - - /* These two ROW_FORMATs require - srv_file_per_table and srv_file_format */ - if (!srv_file_per_table) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ROW_FORMAT=%s" - " requires innodb_file_per_table.", - row_format_name); - ret = FALSE; - - } - - if (srv_file_format < DICT_TF_FORMAT_ZIP) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ROW_FORMAT=%s" - " requires innodb_file_format >" - " Antelope.", - row_format_name); - ret = FALSE; - } - - /* Cannot specify KEY_BLOCK_SIZE with - ROW_FORMAT = DYNAMIC. - However, we do allow COMPRESSED to be - specified with KEY_BLOCK_SIZE. */ - if (kbs_specified - && form->s->row_type == ROW_TYPE_DYNAMIC) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: cannot specify" - " ROW_FORMAT = DYNAMIC with" - " KEY_BLOCK_SIZE."); - ret = FALSE; - } - - break; - - case ROW_TYPE_REDUNDANT: - case ROW_TYPE_COMPACT: - case ROW_TYPE_DEFAULT: - /* Default is COMPACT. */ - row_format_name - = form->s->row_type == ROW_TYPE_REDUNDANT - ? "REDUNDANT" - : "COMPACT"; - - /* Cannot specify KEY_BLOCK_SIZE with these - format specifiers. */ - if (kbs_specified) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: cannot specify" - " ROW_FORMAT = %s with" - " KEY_BLOCK_SIZE.", - row_format_name); - ret = FALSE; - } - - break; - - default: - push_warning(thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: invalid ROW_FORMAT specifier."); - ret = FALSE; - - } - } - - return(ret); -} - -/*****************************************************************//** -Update create_info. Used in SHOW CREATE TABLE et al. */ -UNIV_INTERN -void -ha_innobase::update_create_info( -/*============================*/ - HA_CREATE_INFO* create_info) /*!< in/out: create info */ -{ - if (!(create_info->used_fields & HA_CREATE_USED_AUTO)) { - ha_innobase::info(HA_STATUS_AUTO); - create_info->auto_increment_value = stats.auto_increment_value; - } -} - -/*****************************************************************//** -Creates a new table to an InnoDB database. -@return error number */ -UNIV_INTERN -int -ha_innobase::create( -/*================*/ - const char* name, /*!< in: table name */ - TABLE* form, /*!< in: information on table - columns and indexes */ - HA_CREATE_INFO* create_info) /*!< in: more information of the - created table, contains also the - create statement string */ -{ - int error; - dict_table_t* innobase_table; - trx_t* parent_trx; - trx_t* trx; - int primary_key_no; - uint i; - char name2[FN_REFLEN]; - char norm_name[FN_REFLEN]; - THD* thd = ha_thd(); - ib_int64_t auto_inc_value; - ulint flags; - /* Cache the value of innodb_file_format, in case it is - modified by another thread while the table is being created. */ - const ulint file_format = srv_file_format; - - DBUG_ENTER("ha_innobase::create"); - - DBUG_ASSERT(thd != NULL); - DBUG_ASSERT(create_info != NULL); - -#ifdef __WIN__ - /* Names passed in from server are in two formats: - 1. /: for normal table creation - 2. full path: for temp table creation, or sym link - - When srv_file_per_table is on and mysqld_embedded is off, - check for full path pattern, i.e. - X:\dir\..., X is a driver letter, or - \\dir1\dir2\..., UNC path - returns error if it is in full path format, but not creating a temp. - table. Currently InnoDB does not support symbolic link on Windows. */ - - if (srv_file_per_table - && !mysqld_embedded - && (!create_info->options & HA_LEX_CREATE_TMP_TABLE)) { - - if ((name[1] == ':') - || (name[0] == '\\' && name[1] == '\\')) { - sql_print_error("Cannot create table %s\n", name); - DBUG_RETURN(HA_ERR_GENERIC); - } - } -#endif - - if (form->s->fields > 1000) { - /* The limit probably should be REC_MAX_N_FIELDS - 3 = 1020, - but we play safe here */ - - DBUG_RETURN(HA_ERR_TO_BIG_ROW); - } - - /* Get the transaction associated with the current thd, or create one - if not yet created */ - - parent_trx = check_trx_exists(thd); - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(parent_trx); - - trx = innobase_trx_allocate(thd); - - if (lower_case_table_names) { - srv_lower_case_table_names = TRUE; - } else { - srv_lower_case_table_names = FALSE; - } - - strcpy(name2, name); - - normalize_table_name(norm_name, name2); - - /* Latch the InnoDB data dictionary exclusively so that no deadlocks - or lock waits can happen in it during a table create operation. - Drop table etc. do this latching in row0mysql.c. */ - - row_mysql_lock_data_dictionary(trx); - - /* Create the table definition in InnoDB */ - - flags = 0; - - /* Validate create options if innodb_strict_mode is set. */ - if (!create_options_are_valid(thd, form, create_info)) { - error = ER_ILLEGAL_HA_CREATE_OPTION; - goto cleanup; - } - - if (create_info->key_block_size - || (create_info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE)) { - /* Determine the page_zip.ssize corresponding to the - requested page size (key_block_size) in kilobytes. */ - - ulint ssize, ksize; - ulint key_block_size = create_info->key_block_size; - - for (ssize = ksize = 1; ssize <= DICT_TF_ZSSIZE_MAX; - ssize++, ksize <<= 1) { - if (key_block_size == ksize) { - flags = ssize << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; - break; - } - } - - if (!srv_file_per_table) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: KEY_BLOCK_SIZE" - " requires innodb_file_per_table."); - flags = 0; - } - - if (file_format < DICT_TF_FORMAT_ZIP) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: KEY_BLOCK_SIZE" - " requires innodb_file_format >" - " Antelope."); - flags = 0; - } - - if (!flags) { - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ignoring" - " KEY_BLOCK_SIZE=%lu.", - create_info->key_block_size); - } - } - - if (create_info->used_fields & HA_CREATE_USED_ROW_FORMAT) { - if (flags) { - /* KEY_BLOCK_SIZE was specified. */ - if (form->s->row_type != ROW_TYPE_COMPRESSED) { - /* ROW_FORMAT other than COMPRESSED - ignores KEY_BLOCK_SIZE. It does not - make sense to reject conflicting - KEY_BLOCK_SIZE and ROW_FORMAT, because - such combinations can be obtained - with ALTER TABLE anyway. */ - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ignoring KEY_BLOCK_SIZE=%lu" - " unless ROW_FORMAT=COMPRESSED.", - create_info->key_block_size); - flags = 0; - } - } else { - /* No KEY_BLOCK_SIZE */ - if (form->s->row_type == ROW_TYPE_COMPRESSED) { - /* ROW_FORMAT=COMPRESSED without - KEY_BLOCK_SIZE implies half the - maximum KEY_BLOCK_SIZE. */ - flags = (DICT_TF_ZSSIZE_MAX - 1) - << DICT_TF_ZSSIZE_SHIFT - | DICT_TF_COMPACT - | DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT; -#if DICT_TF_ZSSIZE_MAX < 1 -# error "DICT_TF_ZSSIZE_MAX < 1" -#endif - } - } - - switch (form->s->row_type) { - const char* row_format_name; - case ROW_TYPE_REDUNDANT: - break; - case ROW_TYPE_COMPRESSED: - case ROW_TYPE_DYNAMIC: - row_format_name - = form->s->row_type == ROW_TYPE_COMPRESSED - ? "COMPRESSED" - : "DYNAMIC"; - - if (!srv_file_per_table) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ROW_FORMAT=%s" - " requires innodb_file_per_table.", - row_format_name); - } else if (file_format < DICT_TF_FORMAT_ZIP) { - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: ROW_FORMAT=%s" - " requires innodb_file_format >" - " Antelope.", - row_format_name); - } else { - flags |= DICT_TF_COMPACT - | (DICT_TF_FORMAT_ZIP - << DICT_TF_FORMAT_SHIFT); - break; - } - - /* fall through */ - case ROW_TYPE_NOT_USED: - case ROW_TYPE_FIXED: - default: - push_warning(thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_ILLEGAL_HA_CREATE_OPTION, - "InnoDB: assuming ROW_FORMAT=COMPACT."); - case ROW_TYPE_DEFAULT: - case ROW_TYPE_COMPACT: - flags = DICT_TF_COMPACT; - break; - } - } else if (!flags) { - /* No KEY_BLOCK_SIZE or ROW_FORMAT specified: - use ROW_FORMAT=COMPACT by default. */ - flags = DICT_TF_COMPACT; - } - - /* Look for a primary key */ - - primary_key_no= (form->s->primary_key != MAX_KEY ? - (int) form->s->primary_key : - -1); - - /* Our function row_get_mysql_key_number_for_index assumes - the primary key is always number 0, if it exists */ - - ut_a(primary_key_no == -1 || primary_key_no == 0); - - /* Check for name conflicts (with reserved name) for - any user indices to be created. */ - if (innobase_index_name_is_reserved(trx, form->key_info, - form->s->keys)) { - error = -1; - goto cleanup; - } - - if (create_info->options & HA_LEX_CREATE_TMP_TABLE) { - flags |= DICT_TF2_TEMPORARY << DICT_TF2_SHIFT; - } - - error = create_table_def(trx, form, norm_name, - create_info->options & HA_LEX_CREATE_TMP_TABLE ? name2 : NULL, - flags); - - if (error) { - goto cleanup; - } - - - /* Create the keys */ - - if (form->s->keys == 0 || primary_key_no == -1) { - /* Create an index which is used as the clustered index; - order the rows by their row id which is internally generated - by InnoDB */ - - error = create_clustered_index_when_no_primary( - trx, flags, norm_name); - if (error) { - goto cleanup; - } - } - - if (primary_key_no != -1) { - /* In InnoDB the clustered index must always be created - first */ - if ((error = create_index(trx, form, flags, norm_name, - (uint) primary_key_no))) { - goto cleanup; - } - } - - for (i = 0; i < form->s->keys; i++) { - - if (i != (uint) primary_key_no) { - - if ((error = create_index(trx, form, flags, norm_name, - i))) { - goto cleanup; - } - } - } - - if (*trx->mysql_query_str) { - error = row_table_add_foreign_constraints(trx, - *trx->mysql_query_str, norm_name, - create_info->options & HA_LEX_CREATE_TMP_TABLE); - - error = convert_error_code_to_mysql(error, flags, NULL); - - if (error) { - goto cleanup; - } - } - - innobase_commit_low(trx); - - row_mysql_unlock_data_dictionary(trx); - - /* Flush the log to reduce probability that the .frm files and - the InnoDB data dictionary get out-of-sync if the user runs - with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - - innobase_table = dict_table_get(norm_name, FALSE); - - DBUG_ASSERT(innobase_table != 0); - - if (innobase_table) { - /* We update the highest file format in the system table - space, if this table has higher file format setting. */ - - trx_sys_file_format_max_upgrade( - (const char**) &innobase_file_format_check, - dict_table_get_format(innobase_table)); - } - - /* Note: We can't call update_thd() as prebuilt will not be - setup at this stage and so we use thd. */ - - /* We need to copy the AUTOINC value from the old table if - this is an ALTER TABLE or CREATE INDEX because CREATE INDEX - does a table copy too. */ - - if (((create_info->used_fields & HA_CREATE_USED_AUTO) - || thd_sql_command(thd) == SQLCOM_ALTER_TABLE - || thd_sql_command(thd) == SQLCOM_CREATE_INDEX) - && create_info->auto_increment_value > 0) { - - /* Query was one of : - CREATE TABLE ...AUTO_INCREMENT = x; or - ALTER TABLE...AUTO_INCREMENT = x; or - CREATE INDEX x on t(...); - Find out a table definition from the dictionary and get - the current value of the auto increment field. Set a new - value to the auto increment field if the value is greater - than the maximum value in the column. */ - - auto_inc_value = create_info->auto_increment_value; - - dict_table_autoinc_lock(innobase_table); - dict_table_autoinc_initialize(innobase_table, auto_inc_value); - dict_table_autoinc_unlock(innobase_table); - } - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - trx_free_for_mysql(trx); - - DBUG_RETURN(0); - -cleanup: - innobase_commit_low(trx); - - row_mysql_unlock_data_dictionary(trx); - - trx_free_for_mysql(trx); - - DBUG_RETURN(error); -} - -/*****************************************************************//** -Discards or imports an InnoDB tablespace. -@return 0 == success, -1 == error */ -UNIV_INTERN -int -ha_innobase::discard_or_import_tablespace( -/*======================================*/ - my_bool discard) /*!< in: TRUE if discard, else import */ -{ - dict_table_t* dict_table; - trx_t* trx; - int err; - - DBUG_ENTER("ha_innobase::discard_or_import_tablespace"); - - ut_a(prebuilt->trx); - ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - dict_table = prebuilt->table; - trx = prebuilt->trx; - - if (discard) { - err = row_discard_tablespace_for_mysql(dict_table->name, trx); - } else { - err = row_import_tablespace_for_mysql(dict_table->name, trx); - } - - err = convert_error_code_to_mysql(err, dict_table->flags, NULL); - - DBUG_RETURN(err); -} - -/*****************************************************************//** -Deletes all rows of an InnoDB table. -@return error number */ -UNIV_INTERN -int -ha_innobase::delete_all_rows(void) -/*==============================*/ -{ - int error; - - DBUG_ENTER("ha_innobase::delete_all_rows"); - - /* Get the transaction associated with the current thd, or create one - if not yet created, and update prebuilt->trx */ - - update_thd(ha_thd()); - - if (thd_sql_command(user_thd) != SQLCOM_TRUNCATE) { - fallback: - /* We only handle TRUNCATE TABLE t as a special case. - DELETE FROM t will have to use ha_innobase::delete_row(), - because DELETE is transactional while TRUNCATE is not. */ - DBUG_RETURN(my_errno=HA_ERR_WRONG_COMMAND); - } - - /* Truncate the table in InnoDB */ - - error = row_truncate_table_for_mysql(prebuilt->table, prebuilt->trx); - if (error == DB_ERROR) { - /* Cannot truncate; resort to ha_innobase::delete_row() */ - goto fallback; - } - - error = convert_error_code_to_mysql(error, prebuilt->table->flags, - NULL); - - DBUG_RETURN(error); -} - -/*****************************************************************//** -Drops a table from an InnoDB database. Before calling this function, -MySQL calls innobase_commit to commit the transaction of the current user. -Then the current user cannot have locks set on the table. Drop table -operation inside InnoDB will remove all locks any user has on the table -inside InnoDB. -@return error number */ -UNIV_INTERN -int -ha_innobase::delete_table( -/*======================*/ - const char* name) /*!< in: table name */ -{ - ulint name_len; - int error; - trx_t* parent_trx; - trx_t* trx; - THD *thd = ha_thd(); - char norm_name[1000]; - - DBUG_ENTER("ha_innobase::delete_table"); - - /* Strangely, MySQL passes the table name without the '.frm' - extension, in contrast to ::create */ - normalize_table_name(norm_name, name); - - if (IS_MAGIC_TABLE_AND_USER_DENIED_ACCESS(norm_name, thd)) { - DBUG_RETURN(HA_ERR_GENERIC); - } - - /* Get the transaction associated with the current thd, or create one - if not yet created */ - - parent_trx = check_trx_exists(thd); - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(parent_trx); - - trx = innobase_trx_allocate(thd); - - if (lower_case_table_names) { - srv_lower_case_table_names = TRUE; - } else { - srv_lower_case_table_names = FALSE; - } - - name_len = strlen(name); - - ut_a(name_len < 1000); - - /* Drop the table in InnoDB */ - - error = row_drop_table_for_mysql(norm_name, trx, - thd_sql_command(thd) - == SQLCOM_DROP_DB); - - /* Flush the log to reduce probability that the .frm files and - the InnoDB data dictionary get out-of-sync if the user runs - with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - innobase_commit_low(trx); - - trx_free_for_mysql(trx); - - error = convert_error_code_to_mysql(error, 0, NULL); - - DBUG_RETURN(error); -} - -/*****************************************************************//** -Removes all tables in the named database inside InnoDB. */ -static -void -innobase_drop_database( -/*===================*/ - handlerton *hton, /*!< in: handlerton of Innodb */ - char* path) /*!< in: database path; inside InnoDB the name - of the last directory in the path is used as - the database name: for example, in 'mysql/data/test' - the database name is 'test' */ -{ - ulint len = 0; - trx_t* trx; - char* ptr; - int error; - char* namebuf; - THD* thd = current_thd; - - /* Get the transaction associated with the current thd, or create one - if not yet created */ - - DBUG_ASSERT(hton == innodb_hton_ptr); - - /* In the Windows plugin, thd = current_thd is always NULL */ - if (thd) { - trx_t* parent_trx = check_trx_exists(thd); - - /* In case MySQL calls this in the middle of a SELECT - query, release possible adaptive hash latch to avoid - deadlocks of threads */ - - trx_search_latch_release_if_reserved(parent_trx); - } - - ptr = strend(path) - 2; - - while (ptr >= path && *ptr != '\\' && *ptr != '/') { - ptr--; - len++; - } - - ptr++; - namebuf = (char*) my_malloc((uint) len + 2, MYF(0)); - - memcpy(namebuf, ptr, len); - namebuf[len] = '/'; - namebuf[len + 1] = '\0'; -#ifdef __WIN__ - innobase_casedn_str(namebuf); -#endif -#if defined __WIN__ && !defined MYSQL_SERVER - /* In the Windows plugin, thd = current_thd is always NULL */ - trx = trx_allocate_for_mysql(); - trx->mysql_thd = NULL; - trx->mysql_query_str = NULL; -#else - trx = innobase_trx_allocate(thd); -#endif - error = row_drop_database_for_mysql(namebuf, trx); - my_free(namebuf, MYF(0)); - - /* Flush the log to reduce probability that the .frm files and - the InnoDB data dictionary get out-of-sync if the user runs - with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - innobase_commit_low(trx); - trx_free_for_mysql(trx); -} -/*********************************************************************//** -Renames an InnoDB table. -@return 0 or error code */ -static -int -innobase_rename_table( -/*==================*/ - trx_t* trx, /*!< in: transaction */ - const char* from, /*!< in: old name of the table */ - const char* to, /*!< in: new name of the table */ - ibool lock_and_commit) - /*!< in: TRUE=lock data dictionary and commit */ -{ - int error; - char* norm_to; - char* norm_from; - - if (lower_case_table_names) { - srv_lower_case_table_names = TRUE; - } else { - srv_lower_case_table_names = FALSE; - } - - // Magic number 64 arbitrary - norm_to = (char*) my_malloc(strlen(to) + 64, MYF(0)); - norm_from = (char*) my_malloc(strlen(from) + 64, MYF(0)); - - normalize_table_name(norm_to, to); - normalize_table_name(norm_from, from); - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - if (lock_and_commit) { - row_mysql_lock_data_dictionary(trx); - } - - error = row_rename_table_for_mysql( - norm_from, norm_to, trx, lock_and_commit); - - if (error != DB_SUCCESS) { - FILE* ef = dict_foreign_err_file; - - fputs("InnoDB: Renaming table ", ef); - ut_print_name(ef, trx, TRUE, norm_from); - fputs(" to ", ef); - ut_print_name(ef, trx, TRUE, norm_to); - fputs(" failed!\n", ef); - } - - if (lock_and_commit) { - row_mysql_unlock_data_dictionary(trx); - - /* Flush the log to reduce probability that the .frm - files and the InnoDB data dictionary get out-of-sync - if the user runs with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - } - - my_free(norm_to, MYF(0)); - my_free(norm_from, MYF(0)); - - return error; -} -/*********************************************************************//** -Renames an InnoDB table. -@return 0 or error code */ -UNIV_INTERN -int -ha_innobase::rename_table( -/*======================*/ - const char* from, /*!< in: old name of the table */ - const char* to) /*!< in: new name of the table */ -{ - trx_t* trx; - int error; - trx_t* parent_trx; - THD* thd = ha_thd(); - - DBUG_ENTER("ha_innobase::rename_table"); - - /* Get the transaction associated with the current thd, or create one - if not yet created */ - - parent_trx = check_trx_exists(thd); - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(parent_trx); - - trx = innobase_trx_allocate(thd); - - error = innobase_rename_table(trx, from, to, TRUE); - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - innobase_commit_low(trx); - trx_free_for_mysql(trx); - - /* Add a special case to handle the Duplicated Key error - and return DB_ERROR instead. - This is to avoid a possible SIGSEGV error from mysql error - handling code. Currently, mysql handles the Duplicated Key - error by re-entering the storage layer and getting dup key - info by calling get_dup_key(). This operation requires a valid - table handle ('row_prebuilt_t' structure) which could no - longer be available in the error handling stage. The suggested - solution is to report a 'table exists' error message (since - the dup key error here is due to an existing table whose name - is the one we are trying to rename to) and return the generic - error code. */ - if (error == (int) DB_DUPLICATE_KEY) { - my_error(ER_TABLE_EXISTS_ERROR, MYF(0), to); - - error = DB_ERROR; - } - - error = convert_error_code_to_mysql(error, 0, NULL); - - DBUG_RETURN(error); -} - -/*********************************************************************//** -Estimates the number of index records in a range. -@return estimated number of rows */ -UNIV_INTERN -ha_rows -ha_innobase::records_in_range( -/*==========================*/ - uint keynr, /*!< in: index number */ - key_range *min_key, /*!< in: start key value of the - range, may also be 0 */ - key_range *max_key) /*!< in: range end key val, may - also be 0 */ -{ - KEY* key; - dict_index_t* index; - uchar* key_val_buff2 = (uchar*) my_malloc( - table->s->reclength - + table->s->max_key_length + 100, - MYF(MY_FAE)); - ulint buff2_len = table->s->reclength - + table->s->max_key_length + 100; - dtuple_t* range_start; - dtuple_t* range_end; - ib_int64_t n_rows; - ulint mode1; - ulint mode2; - mem_heap_t* heap; - - DBUG_ENTER("records_in_range"); - - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - prebuilt->trx->op_info = (char*)"estimating records in index range"; - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(prebuilt->trx); - - active_index = keynr; - - key = table->key_info + active_index; - - index = innobase_get_index(keynr); - - /* There exists possibility of not being able to find requested - index due to inconsistency between MySQL and InoDB dictionary info. - Necessary message should have been printed in innobase_get_index() */ - if (UNIV_UNLIKELY(!index)) { - n_rows = HA_POS_ERROR; - goto func_exit; - } - - heap = mem_heap_create(2 * (key->key_parts * sizeof(dfield_t) - + sizeof(dtuple_t))); - - range_start = dtuple_create(heap, key->key_parts); - dict_index_copy_types(range_start, index, key->key_parts); - - range_end = dtuple_create(heap, key->key_parts); - dict_index_copy_types(range_end, index, key->key_parts); - - row_sel_convert_mysql_key_to_innobase( - range_start, (byte*) key_val_buff, - (ulint)upd_and_key_val_buff_len, - index, - (byte*) (min_key ? min_key->key : - (const uchar*) 0), - (ulint) (min_key ? min_key->length : 0), - prebuilt->trx); - - row_sel_convert_mysql_key_to_innobase( - range_end, (byte*) key_val_buff2, - buff2_len, index, - (byte*) (max_key ? max_key->key : - (const uchar*) 0), - (ulint) (max_key ? max_key->length : 0), - prebuilt->trx); - - mode1 = convert_search_mode_to_innobase(min_key ? min_key->flag : - HA_READ_KEY_EXACT); - mode2 = convert_search_mode_to_innobase(max_key ? max_key->flag : - HA_READ_KEY_EXACT); - - if (mode1 != PAGE_CUR_UNSUPP && mode2 != PAGE_CUR_UNSUPP) { - - n_rows = btr_estimate_n_rows_in_range(index, range_start, - mode1, range_end, - mode2); - } else { - - n_rows = HA_POS_ERROR; - } - - mem_heap_free(heap); - -func_exit: - my_free(key_val_buff2, MYF(0)); - - prebuilt->trx->op_info = (char*)""; - - /* The MySQL optimizer seems to believe an estimate of 0 rows is - always accurate and may return the result 'Empty set' based on that. - The accuracy is not guaranteed, and even if it were, for a locking - read we should anyway perform the search to set the next-key lock. - Add 1 to the value to make sure MySQL does not make the assumption! */ - - if (n_rows == 0) { - n_rows = 1; - } - - DBUG_RETURN((ha_rows) n_rows); -} - -/*********************************************************************//** -Gives an UPPER BOUND to the number of rows in a table. This is used in -filesort.cc. -@return upper bound of rows */ -UNIV_INTERN -ha_rows -ha_innobase::estimate_rows_upper_bound(void) -/*======================================*/ -{ - dict_index_t* index; - ulonglong estimate; - ulonglong local_data_file_length; - - DBUG_ENTER("estimate_rows_upper_bound"); - - /* We do not know if MySQL can call this function before calling - external_lock(). To be safe, update the thd of the current table - handle. */ - - update_thd(ha_thd()); - - prebuilt->trx->op_info = (char*) - "calculating upper bound for table rows"; - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(prebuilt->trx); - - index = dict_table_get_first_index(prebuilt->table); - - ut_a(index->stat_n_leaf_pages > 0); - - local_data_file_length = - ((ulonglong) index->stat_n_leaf_pages) * UNIV_PAGE_SIZE; - - - /* Calculate a minimum length for a clustered index record and from - that an upper bound for the number of rows. Since we only calculate - new statistics in row0mysql.c when a table has grown by a threshold - factor, we must add a safety factor 2 in front of the formula below. */ - - estimate = 2 * local_data_file_length / - dict_index_calc_min_rec_len(index); - - prebuilt->trx->op_info = (char*)""; - - DBUG_RETURN((ha_rows) estimate); -} - -/*********************************************************************//** -How many seeks it will take to read through the table. This is to be -comparable to the number returned by records_in_range so that we can -decide if we should scan the table or use keys. -@return estimated time measured in disk seeks */ -UNIV_INTERN -double -ha_innobase::scan_time() -/*====================*/ -{ - /* Since MySQL seems to favor table scans too much over index - searches, we pretend that a sequential read takes the same time - as a random disk read, that is, we do not divide the following - by 10, which would be physically realistic. */ - - return((double) (prebuilt->table->stat_clustered_index_size)); -} - -/******************************************************************//** -Calculate the time it takes to read a set of ranges through an index -This enables us to optimise reads for clustered indexes. -@return estimated time measured in disk seeks */ -UNIV_INTERN -double -ha_innobase::read_time( -/*===================*/ - uint index, /*!< in: key number */ - uint ranges, /*!< in: how many ranges */ - ha_rows rows) /*!< in: estimated number of rows in the ranges */ -{ - ha_rows total_rows; - double time_for_scan; - - if (index != table->s->primary_key) { - /* Not clustered */ - return(handler::read_time(index, ranges, rows)); - } - - if (rows <= 2) { - - return((double) rows); - } - - /* Assume that the read time is proportional to the scan time for all - rows + at most one seek per range. */ - - time_for_scan = scan_time(); - - if ((total_rows = estimate_rows_upper_bound()) < rows) { - - return(time_for_scan); - } - - return(ranges + (double) rows / (double) total_rows * time_for_scan); -} - -/*********************************************************************//** -Returns statistics information of the table to the MySQL interpreter, -in various fields of the handle object. */ -UNIV_INTERN -int -ha_innobase::info( -/*==============*/ - uint flag) /*!< in: what information MySQL requests */ -{ - dict_table_t* ib_table; - dict_index_t* index; - ha_rows rec_per_key; - ib_int64_t n_rows; - ulong j; - ulong i; - char path[FN_REFLEN]; - os_file_stat_t stat_info; - - - DBUG_ENTER("info"); - - /* If we are forcing recovery at a high level, we will suppress - statistics calculation on tables, because that may crash the - server if an index is badly corrupted. */ - - if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) { - - /* We return success (0) instead of HA_ERR_CRASHED, - because we want MySQL to process this query and not - stop, like it would do if it received the error code - HA_ERR_CRASHED. */ - - DBUG_RETURN(0); - } - - /* We do not know if MySQL can call this function before calling - external_lock(). To be safe, update the thd of the current table - handle. */ - - update_thd(ha_thd()); - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - prebuilt->trx->op_info = (char*)"returning various info to MySQL"; - - trx_search_latch_release_if_reserved(prebuilt->trx); - - ib_table = prebuilt->table; - - if (flag & HA_STATUS_TIME) { - if (innobase_stats_on_metadata) { - /* In sql_show we call with this flag: update - then statistics so that they are up-to-date */ - - prebuilt->trx->op_info = "updating table statistics"; - - dict_update_statistics(ib_table); - - prebuilt->trx->op_info = "returning various info to MySQL"; - } - - my_snprintf(path, sizeof(path), "%s/%s%s", - mysql_data_home, ib_table->name, reg_ext); - - unpack_filename(path,path); - - /* Note that we do not know the access time of the table, - nor the CHECK TABLE time, nor the UPDATE or INSERT time. */ - - if (os_file_get_status(path,&stat_info)) { - stats.create_time = (ulong) stat_info.ctime; - } - } - - if (flag & HA_STATUS_VARIABLE) { - n_rows = ib_table->stat_n_rows; - - /* Because we do not protect stat_n_rows by any mutex in a - delete, it is theoretically possible that the value can be - smaller than zero! TODO: fix this race. - - The MySQL optimizer seems to assume in a left join that n_rows - is an accurate estimate if it is zero. Of course, it is not, - since we do not have any locks on the rows yet at this phase. - Since SHOW TABLE STATUS seems to call this function with the - HA_STATUS_TIME flag set, while the left join optimizer does not - set that flag, we add one to a zero value if the flag is not - set. That way SHOW TABLE STATUS will show the best estimate, - while the optimizer never sees the table empty. */ - - if (n_rows < 0) { - n_rows = 0; - } - - if (n_rows == 0 && !(flag & HA_STATUS_TIME)) { - n_rows++; - } - - /* Fix bug#40386: Not flushing query cache after truncate. - n_rows can not be 0 unless the table is empty, set to 1 - instead. The original problem of bug#29507 is actually - fixed in the server code. */ - if (thd_sql_command(user_thd) == SQLCOM_TRUNCATE) { - - n_rows = 1; - - /* We need to reset the prebuilt value too, otherwise - checks for values greater than the last value written - to the table will fail and the autoinc counter will - not be updated. This will force write_row() into - attempting an update of the table's AUTOINC counter. */ - - prebuilt->autoinc_last_value = 0; - } - - stats.records = (ha_rows)n_rows; - stats.deleted = 0; - stats.data_file_length = ((ulonglong) - ib_table->stat_clustered_index_size) - * UNIV_PAGE_SIZE; - stats.index_file_length = ((ulonglong) - ib_table->stat_sum_of_other_index_sizes) - * UNIV_PAGE_SIZE; - - /* Since fsp_get_available_space_in_free_extents() is - acquiring latches inside InnoDB, we do not call it if we - are asked by MySQL to avoid locking. Another reason to - avoid the call is that it uses quite a lot of CPU. - See Bug#38185. - We do not update delete_length if no locking is requested - so the "old" value can remain. delete_length is initialized - to 0 in the ha_statistics' constructor. */ - if (!(flag & HA_STATUS_NO_LOCK)) { - - /* lock the data dictionary to avoid races with - ibd_file_missing and tablespace_discarded */ - row_mysql_lock_data_dictionary(prebuilt->trx); - - /* ib_table->space must be an existent tablespace */ - if (!ib_table->ibd_file_missing - && !ib_table->tablespace_discarded) { - - stats.delete_length = - fsp_get_available_space_in_free_extents( - ib_table->space) * 1024; - } else { - - THD* thd; - - thd = ha_thd(); - - push_warning_printf( - thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_CANT_GET_STAT, - "InnoDB: Trying to get the free " - "space for table %s but its " - "tablespace has been discarded or " - "the .ibd file is missing. Setting " - "the free space to zero.", - ib_table->name); - - stats.delete_length = 0; - } - - row_mysql_unlock_data_dictionary(prebuilt->trx); - } - - stats.check_time = 0; - - if (stats.records == 0) { - stats.mean_rec_length = 0; - } else { - stats.mean_rec_length = (ulong) (stats.data_file_length / stats.records); - } - } - - if (flag & HA_STATUS_CONST) { - /* Verify the number of index in InnoDB and MySQL - matches up. If prebuilt->clust_index_was_generated - holds, InnoDB defines GEN_CLUST_INDEX internally */ - ulint num_innodb_index = UT_LIST_GET_LEN(ib_table->indexes) - - prebuilt->clust_index_was_generated; - - if (table->s->keys != num_innodb_index) { - sql_print_error("Table %s contains %lu " - "indexes inside InnoDB, which " - "is different from the number of " - "indexes %u defined in the MySQL ", - ib_table->name, num_innodb_index, - table->s->keys); - } - - for (i = 0; i < table->s->keys; i++) { - /* We could get index quickly through internal - index mapping with the index translation table. - The identity of index (match up index name with - that of table->key_info[i]) is already verified in - innobase_get_index(). */ - index = innobase_get_index(i); - - if (index == NULL) { - sql_print_error("Table %s contains fewer " - "indexes inside InnoDB than " - "are defined in the MySQL " - ".frm file. Have you mixed up " - ".frm files from different " - "installations? See " - REFMAN - "innodb-troubleshooting.html\n", - ib_table->name); - break; - } - - for (j = 0; j < table->key_info[i].key_parts; j++) { - - if (j + 1 > index->n_uniq) { - sql_print_error( -"Index %s of %s has %lu columns unique inside InnoDB, but MySQL is asking " -"statistics for %lu columns. Have you mixed up .frm files from different " -"installations? " -"See " REFMAN "innodb-troubleshooting.html\n", - index->name, - ib_table->name, - (unsigned long) - index->n_uniq, j + 1); - break; - } - - if (index->stat_n_diff_key_vals[j + 1] == 0) { - - rec_per_key = stats.records; - } else { - rec_per_key = (ha_rows)(stats.records / - index->stat_n_diff_key_vals[j + 1]); - } - - /* Since MySQL seems to favor table scans - too much over index searches, we pretend - index selectivity is 2 times better than - our estimate: */ - - rec_per_key = rec_per_key / 2; - - if (rec_per_key == 0) { - rec_per_key = 1; - } - - table->key_info[i].rec_per_key[j]= - rec_per_key >= ~(ulong) 0 ? ~(ulong) 0 : - (ulong) rec_per_key; - } - } - } - - if (flag & HA_STATUS_ERRKEY) { - const dict_index_t* err_index; - - ut_a(prebuilt->trx); - ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); - - err_index = trx_get_error_info(prebuilt->trx); - - if (err_index) { - errkey = (unsigned int) - row_get_mysql_key_number_for_index(err_index); - } else { - errkey = (unsigned int) prebuilt->trx->error_key_num; - } - } - - if ((flag & HA_STATUS_AUTO) && table->found_next_number_field) { - stats.auto_increment_value = innobase_peek_autoinc(); - } - - prebuilt->trx->op_info = (char*)""; - - DBUG_RETURN(0); -} - -/**********************************************************************//** -Updates index cardinalities of the table, based on 8 random dives into -each index tree. This does NOT calculate exact statistics on the table. -@return returns always 0 (success) */ -UNIV_INTERN -int -ha_innobase::analyze( -/*=================*/ - THD* thd, /*!< in: connection thread handle */ - HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ -{ - /* Serialize ANALYZE TABLE inside InnoDB, see - Bug#38996 Race condition in ANALYZE TABLE */ - pthread_mutex_lock(&analyze_mutex); - - /* Simply call ::info() with all the flags */ - info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); - - pthread_mutex_unlock(&analyze_mutex); - - return(0); -} - -/**********************************************************************//** -This is mapped to "ALTER TABLE tablename ENGINE=InnoDB", which rebuilds -the table in MySQL. */ -UNIV_INTERN -int -ha_innobase::optimize( -/*==================*/ - THD* thd, /*!< in: connection thread handle */ - HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ -{ - return(HA_ADMIN_TRY_ALTER); -} - -/*******************************************************************//** -Tries to check that an InnoDB table is not corrupted. If corruption is -noticed, prints to stderr information about it. In case of corruption -may also assert a failure and crash the server. -@return HA_ADMIN_CORRUPT or HA_ADMIN_OK */ -UNIV_INTERN -int -ha_innobase::check( -/*===============*/ - THD* thd, /*!< in: user thread handle */ - HA_CHECK_OPT* check_opt) /*!< in: check options, currently - ignored */ -{ - dict_index_t* index; - ulint n_rows; - ulint n_rows_in_table = ULINT_UNDEFINED; - ibool is_ok = TRUE; - ulint old_isolation_level; - - DBUG_ENTER("ha_innobase::check"); - DBUG_ASSERT(thd == ha_thd()); - ut_a(prebuilt->trx); - ut_a(prebuilt->trx->magic_n == TRX_MAGIC_N); - ut_a(prebuilt->trx == thd_to_trx(thd)); - - if (prebuilt->mysql_template == NULL) { - /* Build the template; we will use a dummy template - in index scans done in checking */ - - build_template(prebuilt, NULL, table, ROW_MYSQL_WHOLE_ROW); - } - - if (prebuilt->table->ibd_file_missing) { - sql_print_error("InnoDB: Error:\n" - "InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir, or have you" - " used DISCARD TABLESPACE?\n" - "InnoDB: Please refer to\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - prebuilt->table->name); - DBUG_RETURN(HA_ADMIN_CORRUPT); - } - - prebuilt->trx->op_info = "checking table"; - - old_isolation_level = prebuilt->trx->isolation_level; - - /* We must run the index record counts at an isolation level - >= READ COMMITTED, because a dirty read can see a wrong number - of records in some index; to play safe, we use always - REPEATABLE READ here */ - - prebuilt->trx->isolation_level = TRX_ISO_REPEATABLE_READ; - - /* Enlarge the fatal lock wait timeout during CHECK TABLE. */ - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - for (index = dict_table_get_first_index(prebuilt->table); - index != NULL; - index = dict_table_get_next_index(index)) { -#if 0 - fputs("Validating index ", stderr); - ut_print_name(stderr, trx, FALSE, index->name); - putc('\n', stderr); -#endif - - if (!btr_validate_index(index, prebuilt->trx)) { - is_ok = FALSE; - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NOT_KEYFILE, - "InnoDB: The B-tree of" - " index '%-.200s' is corrupted.", - index->name); - continue; - } - - /* Instead of invoking change_active_index(), set up - a dummy template for non-locking reads, disabling - access to the clustered index. */ - prebuilt->index = index; - - prebuilt->index_usable = row_merge_is_index_usable( - prebuilt->trx, prebuilt->index); - - if (UNIV_UNLIKELY(!prebuilt->index_usable)) { - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - HA_ERR_TABLE_DEF_CHANGED, - "InnoDB: Insufficient history for" - " index '%-.200s'", - index->name); - continue; - } - - prebuilt->sql_stat_start = TRUE; - prebuilt->template_type = ROW_MYSQL_DUMMY_TEMPLATE; - prebuilt->n_template = 0; - prebuilt->need_to_access_clustered = FALSE; - - dtuple_set_n_fields(prebuilt->search_tuple, 0); - - prebuilt->select_lock_type = LOCK_NONE; - - if (!row_check_index_for_mysql(prebuilt, index, &n_rows)) { - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NOT_KEYFILE, - "InnoDB: The B-tree of" - " index '%-.200s' is corrupted.", - index->name); - is_ok = FALSE; - } - - if (thd_killed(user_thd)) { - break; - } - -#if 0 - fprintf(stderr, "%lu entries in index %s\n", n_rows, - index->name); -#endif - - if (index == dict_table_get_first_index(prebuilt->table)) { - n_rows_in_table = n_rows; - } else if (n_rows != n_rows_in_table) { - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NOT_KEYFILE, - "InnoDB: Index '%-.200s'" - " contains %lu entries," - " should be %lu.", - index->name, - (ulong) n_rows, - (ulong) n_rows_in_table); - is_ok = FALSE; - } - } - - /* Restore the original isolation level */ - prebuilt->trx->isolation_level = old_isolation_level; - - /* We validate also the whole adaptive hash index for all tables - at every CHECK TABLE */ - - if (!btr_search_validate()) { - push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_NOT_KEYFILE, - "InnoDB: The adaptive hash index is corrupted."); - is_ok = FALSE; - } - - /* Restore the fatal lock wait timeout after CHECK TABLE. */ - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - prebuilt->trx->op_info = ""; - if (thd_killed(user_thd)) { - my_error(ER_QUERY_INTERRUPTED, MYF(0)); - } - - DBUG_RETURN(is_ok ? HA_ADMIN_OK : HA_ADMIN_CORRUPT); -} - -/*************************************************************//** -Adds information about free space in the InnoDB tablespace to a table comment -which is printed out when a user calls SHOW TABLE STATUS. Adds also info on -foreign keys. -@return table comment + InnoDB free space + info on foreign keys */ -UNIV_INTERN -char* -ha_innobase::update_table_comment( -/*==============================*/ - const char* comment)/*!< in: table comment defined by user */ -{ - uint length = (uint) strlen(comment); - char* str; - long flen; - - /* We do not know if MySQL can call this function before calling - external_lock(). To be safe, update the thd of the current table - handle. */ - - if (length > 64000 - 3) { - return((char*)comment); /* string too long */ - } - - update_thd(ha_thd()); - - prebuilt->trx->op_info = (char*)"returning table comment"; - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads */ - - trx_search_latch_release_if_reserved(prebuilt->trx); - str = NULL; - - /* output the data to a temporary file */ - - mutex_enter(&srv_dict_tmpfile_mutex); - rewind(srv_dict_tmpfile); - - fprintf(srv_dict_tmpfile, "InnoDB free: %llu kB", - fsp_get_available_space_in_free_extents( - prebuilt->table->space)); - - dict_print_info_on_foreign_keys(FALSE, srv_dict_tmpfile, - prebuilt->trx, prebuilt->table); - flen = ftell(srv_dict_tmpfile); - if (flen < 0) { - flen = 0; - } else if (length + flen + 3 > 64000) { - flen = 64000 - 3 - length; - } - - /* allocate buffer for the full string, and - read the contents of the temporary file */ - - str = (char*) my_malloc(length + flen + 3, MYF(0)); - - if (str) { - char* pos = str + length; - if (length) { - memcpy(str, comment, length); - *pos++ = ';'; - *pos++ = ' '; - } - rewind(srv_dict_tmpfile); - flen = (uint) fread(pos, 1, flen, srv_dict_tmpfile); - pos[flen] = 0; - } - - mutex_exit(&srv_dict_tmpfile_mutex); - - prebuilt->trx->op_info = (char*)""; - - return(str ? str : (char*) comment); -} - -/*******************************************************************//** -Gets the foreign key create info for a table stored in InnoDB. -@return own: character string in the form which can be inserted to the -CREATE TABLE statement, MUST be freed with -ha_innobase::free_foreign_key_create_info */ -UNIV_INTERN -char* -ha_innobase::get_foreign_key_create_info(void) -/*==========================================*/ -{ - char* str = 0; - long flen; - - ut_a(prebuilt != NULL); - - /* We do not know if MySQL can call this function before calling - external_lock(). To be safe, update the thd of the current table - handle. */ - - update_thd(ha_thd()); - - prebuilt->trx->op_info = (char*)"getting info on foreign keys"; - - /* In case MySQL calls this in the middle of a SELECT query, - release possible adaptive hash latch to avoid - deadlocks of threads */ - - trx_search_latch_release_if_reserved(prebuilt->trx); - - mutex_enter(&srv_dict_tmpfile_mutex); - rewind(srv_dict_tmpfile); - - /* output the data to a temporary file */ - dict_print_info_on_foreign_keys(TRUE, srv_dict_tmpfile, - prebuilt->trx, prebuilt->table); - prebuilt->trx->op_info = (char*)""; - - flen = ftell(srv_dict_tmpfile); - if (flen < 0) { - flen = 0; - } else if (flen > 64000 - 1) { - flen = 64000 - 1; - } - - /* allocate buffer for the string, and - read the contents of the temporary file */ - - str = (char*) my_malloc(flen + 1, MYF(0)); - - if (str) { - rewind(srv_dict_tmpfile); - flen = (uint) fread(str, 1, flen, srv_dict_tmpfile); - str[flen] = 0; - } - - mutex_exit(&srv_dict_tmpfile_mutex); - - return(str); -} - - -UNIV_INTERN -int -ha_innobase::get_foreign_key_list(THD *thd, List *f_key_list) -{ - dict_foreign_t* foreign; - - DBUG_ENTER("get_foreign_key_list"); - ut_a(prebuilt != NULL); - update_thd(ha_thd()); - prebuilt->trx->op_info = (char*)"getting list of foreign keys"; - trx_search_latch_release_if_reserved(prebuilt->trx); - mutex_enter(&(dict_sys->mutex)); - foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list); - - while (foreign != NULL) { - uint i; - FOREIGN_KEY_INFO f_key_info; - LEX_STRING *name= 0; - uint ulen; - char uname[NAME_LEN+1]; /* Unencoded name */ - char db_name[NAME_LEN+1]; - const char *tmp_buff; - - tmp_buff= foreign->id; - i= 0; - while (tmp_buff[i] != '/') - i++; - tmp_buff+= i + 1; - f_key_info.forein_id = thd_make_lex_string(thd, 0, - tmp_buff, (uint) strlen(tmp_buff), 1); - tmp_buff= foreign->referenced_table_name; - - /* Database name */ - i= 0; - while (tmp_buff[i] != '/') - { - db_name[i]= tmp_buff[i]; - i++; - } - db_name[i]= 0; - ulen= filename_to_tablename(db_name, uname, sizeof(uname)); - f_key_info.referenced_db = thd_make_lex_string(thd, 0, - uname, ulen, 1); - - /* Table name */ - tmp_buff+= i + 1; - ulen= filename_to_tablename(tmp_buff, uname, sizeof(uname)); - f_key_info.referenced_table = thd_make_lex_string(thd, 0, - uname, ulen, 1); - - for (i= 0;;) { - tmp_buff= foreign->foreign_col_names[i]; - name = thd_make_lex_string(thd, name, - tmp_buff, (uint) strlen(tmp_buff), 1); - f_key_info.foreign_fields.push_back(name); - tmp_buff= foreign->referenced_col_names[i]; - name = thd_make_lex_string(thd, name, - tmp_buff, (uint) strlen(tmp_buff), 1); - f_key_info.referenced_fields.push_back(name); - if (++i >= foreign->n_fields) - break; - } - - ulong length; - if (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE) - { - length=7; - tmp_buff= "CASCADE"; - } - else if (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL) - { - length=8; - tmp_buff= "SET NULL"; - } - else if (foreign->type & DICT_FOREIGN_ON_DELETE_NO_ACTION) - { - length=9; - tmp_buff= "NO ACTION"; - } - else - { - length=8; - tmp_buff= "RESTRICT"; - } - f_key_info.delete_method = thd_make_lex_string( - thd, f_key_info.delete_method, tmp_buff, length, 1); - - - if (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE) - { - length=7; - tmp_buff= "CASCADE"; - } - else if (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL) - { - length=8; - tmp_buff= "SET NULL"; - } - else if (foreign->type & DICT_FOREIGN_ON_UPDATE_NO_ACTION) - { - length=9; - tmp_buff= "NO ACTION"; - } - else - { - length=8; - tmp_buff= "RESTRICT"; - } - f_key_info.update_method = thd_make_lex_string( - thd, f_key_info.update_method, tmp_buff, length, 1); - if (foreign->referenced_index && - foreign->referenced_index->name) - { - f_key_info.referenced_key_name = thd_make_lex_string( - thd, f_key_info.referenced_key_name, - foreign->referenced_index->name, - (uint) strlen(foreign->referenced_index->name), 1); - } - else - f_key_info.referenced_key_name= 0; - - FOREIGN_KEY_INFO *pf_key_info = (FOREIGN_KEY_INFO *) - thd_memdup(thd, &f_key_info, sizeof(FOREIGN_KEY_INFO)); - f_key_list->push_back(pf_key_info); - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - mutex_exit(&(dict_sys->mutex)); - prebuilt->trx->op_info = (char*)""; - - DBUG_RETURN(0); -} - -/*****************************************************************//** -Checks if ALTER TABLE may change the storage engine of the table. -Changing storage engines is not allowed for tables for which there -are foreign key constraints (parent or child tables). -@return TRUE if can switch engines */ -UNIV_INTERN -bool -ha_innobase::can_switch_engines(void) -/*=================================*/ -{ - bool can_switch; - - DBUG_ENTER("ha_innobase::can_switch_engines"); - - ut_a(prebuilt->trx == thd_to_trx(ha_thd())); - - prebuilt->trx->op_info = - "determining if there are foreign key constraints"; - row_mysql_lock_data_dictionary(prebuilt->trx); - - can_switch = !UT_LIST_GET_FIRST(prebuilt->table->referenced_list) - && !UT_LIST_GET_FIRST(prebuilt->table->foreign_list); - - row_mysql_unlock_data_dictionary(prebuilt->trx); - prebuilt->trx->op_info = ""; - - DBUG_RETURN(can_switch); -} - -/*******************************************************************//** -Checks if a table is referenced by a foreign key. The MySQL manual states that -a REPLACE is either equivalent to an INSERT, or DELETE(s) + INSERT. Only a -delete is then allowed internally to resolve a duplicate key conflict in -REPLACE, not an update. -@return > 0 if referenced by a FOREIGN KEY */ -UNIV_INTERN -uint -ha_innobase::referenced_by_foreign_key(void) -/*========================================*/ -{ - if (dict_table_is_referenced_by_foreign_key(prebuilt->table)) { - - return(1); - } - - return(0); -} - -/*******************************************************************//** -Frees the foreign key create info for a table stored in InnoDB, if it is -non-NULL. */ -UNIV_INTERN -void -ha_innobase::free_foreign_key_create_info( -/*======================================*/ - char* str) /*!< in, own: create info string to free */ -{ - if (str) { - my_free(str, MYF(0)); - } -} - -/*******************************************************************//** -Tells something additional to the handler about how to do things. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::extra( -/*===============*/ - enum ha_extra_function operation) - /*!< in: HA_EXTRA_FLUSH or some other flag */ -{ - /* Warning: since it is not sure that MySQL calls external_lock - before calling this function, the trx field in prebuilt can be - obsolete! */ - - switch (operation) { - case HA_EXTRA_FLUSH: - if (prebuilt->blob_heap) { - row_mysql_prebuilt_free_blob_heap(prebuilt); - } - break; - case HA_EXTRA_RESET_STATE: - reset_template(prebuilt); - break; - case HA_EXTRA_NO_KEYREAD: - prebuilt->read_just_key = 0; - break; - case HA_EXTRA_KEYREAD: - prebuilt->read_just_key = 1; - break; - case HA_EXTRA_KEYREAD_PRESERVE_FIELDS: - prebuilt->keep_other_fields_on_keyread = 1; - break; - - /* IMPORTANT: prebuilt->trx can be obsolete in - this method, because it is not sure that MySQL - calls external_lock before this method with the - parameters below. We must not invoke update_thd() - either, because the calling threads may change. - CAREFUL HERE, OR MEMORY CORRUPTION MAY OCCUR! */ - case HA_EXTRA_IGNORE_DUP_KEY: - thd_to_trx(ha_thd())->duplicates |= TRX_DUP_IGNORE; - break; - case HA_EXTRA_WRITE_CAN_REPLACE: - thd_to_trx(ha_thd())->duplicates |= TRX_DUP_REPLACE; - break; - case HA_EXTRA_WRITE_CANNOT_REPLACE: - thd_to_trx(ha_thd())->duplicates &= ~TRX_DUP_REPLACE; - break; - case HA_EXTRA_NO_IGNORE_DUP_KEY: - thd_to_trx(ha_thd())->duplicates &= - ~(TRX_DUP_IGNORE | TRX_DUP_REPLACE); - break; - default:/* Do nothing */ - ; - } - - return(0); -} - -UNIV_INTERN -int -ha_innobase::reset() -{ - if (prebuilt->blob_heap) { - row_mysql_prebuilt_free_blob_heap(prebuilt); - } - - reset_template(prebuilt); - - /* TODO: This should really be reset in reset_template() but for now - it's safer to do it explicitly here. */ - - /* This is a statement level counter. */ - prebuilt->autoinc_last_value = 0; - - return(0); -} - -/******************************************************************//** -MySQL calls this function at the start of each SQL statement inside LOCK -TABLES. Inside LOCK TABLES the ::external_lock method does not work to -mark SQL statement borders. Note also a special case: if a temporary table -is created inside LOCK TABLES, MySQL has not called external_lock() at all -on that table. -MySQL-5.0 also calls this before each statement in an execution of a stored -procedure. To make the execution more deterministic for binlogging, MySQL-5.0 -locks all tables involved in a stored procedure with full explicit table -locks (thd_in_lock_tables(thd) holds in store_lock()) before executing the -procedure. -@return 0 or error code */ -UNIV_INTERN -int -ha_innobase::start_stmt( -/*====================*/ - THD* thd, /*!< in: handle to the user thread */ - thr_lock_type lock_type) -{ - trx_t* trx; - - update_thd(thd); - - trx = prebuilt->trx; - - /* Here we release the search latch and the InnoDB thread FIFO ticket - if they were reserved. They should have been released already at the - end of the previous statement, but because inside LOCK TABLES the - lock count method does not work to mark the end of a SELECT statement, - that may not be the case. We MUST release the search latch before an - INSERT, for example. */ - - innobase_release_stat_resources(trx); - - /* Reset the AUTOINC statement level counter for multi-row INSERTs. */ - trx->n_autoinc_rows = 0; - - prebuilt->sql_stat_start = TRUE; - prebuilt->hint_need_to_fetch_extra_cols = 0; - reset_template(prebuilt); - - if (!prebuilt->mysql_has_locked) { - /* This handle is for a temporary table created inside - this same LOCK TABLES; since MySQL does NOT call external_lock - in this case, we must use x-row locks inside InnoDB to be - prepared for an update of a row */ - - prebuilt->select_lock_type = LOCK_X; - } else { - if (trx->isolation_level != TRX_ISO_SERIALIZABLE - && thd_sql_command(thd) == SQLCOM_SELECT - && lock_type == TL_READ) { - - /* For other than temporary tables, we obtain - no lock for consistent read (plain SELECT). */ - - prebuilt->select_lock_type = LOCK_NONE; - } else { - /* Not a consistent read: restore the - select_lock_type value. The value of - stored_select_lock_type was decided in: - 1) ::store_lock(), - 2) ::external_lock(), - 3) ::init_table_handle_for_HANDLER(), and - 4) ::transactional_table_lock(). */ - - prebuilt->select_lock_type = - prebuilt->stored_select_lock_type; - } - } - - trx->detailed_error[0] = '\0'; - - /* Set the MySQL flag to mark that there is an active transaction */ - if (trx->active_trans == 0) { - - innobase_register_trx_and_stmt(ht, thd); - trx->active_trans = 1; - } else { - innobase_register_stmt(ht, thd); - } - - return(0); -} - -/******************************************************************//** -Maps a MySQL trx isolation level code to the InnoDB isolation level code -@return InnoDB isolation level */ -static inline -ulint -innobase_map_isolation_level( -/*=========================*/ - enum_tx_isolation iso) /*!< in: MySQL isolation level code */ -{ - switch(iso) { - case ISO_REPEATABLE_READ: return(TRX_ISO_REPEATABLE_READ); - case ISO_READ_COMMITTED: return(TRX_ISO_READ_COMMITTED); - case ISO_SERIALIZABLE: return(TRX_ISO_SERIALIZABLE); - case ISO_READ_UNCOMMITTED: return(TRX_ISO_READ_UNCOMMITTED); - default: ut_a(0); return(0); - } -} - -/******************************************************************//** -As MySQL will execute an external lock for every new table it uses when it -starts to process an SQL statement (an exception is when MySQL calls -start_stmt for the handle) we can use this function to store the pointer to -the THD in the handle. We will also use this function to communicate -to InnoDB that a new SQL statement has started and that we must store a -savepoint to our transaction handle, so that we are able to roll back -the SQL statement in case of an error. -@return 0 */ -UNIV_INTERN -int -ha_innobase::external_lock( -/*=======================*/ - THD* thd, /*!< in: handle to the user thread */ - int lock_type) /*!< in: lock type */ -{ - trx_t* trx; - - DBUG_ENTER("ha_innobase::external_lock"); - DBUG_PRINT("enter",("lock_type: %d", lock_type)); - - update_thd(thd); - - /* Statement based binlogging does not work in isolation level - READ UNCOMMITTED and READ COMMITTED since the necessary - locks cannot be taken. In this case, we print an - informative error message and return with an error. */ - if (lock_type == F_WRLCK) - { - ulong const binlog_format= thd_binlog_format(thd); - ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED - && binlog_format == BINLOG_FORMAT_STMT -#if MYSQL_VERSION_ID > 50140 - && thd_binlog_filter_ok(thd) -#endif /* MYSQL_VERSION_ID > 50140 */ - ) - { - char buf[256]; - my_snprintf(buf, sizeof(buf), - "Transaction level '%s' in" - " InnoDB is not safe for binlog mode '%s'", - tx_isolation_names[tx_isolation], - binlog_format_names[binlog_format]); - my_error(ER_BINLOG_LOGGING_IMPOSSIBLE, MYF(0), buf); - DBUG_RETURN(HA_ERR_LOGGING_IMPOSSIBLE); - } - } - - - trx = prebuilt->trx; - - prebuilt->sql_stat_start = TRUE; - prebuilt->hint_need_to_fetch_extra_cols = 0; - - reset_template(prebuilt); - - if (lock_type == F_WRLCK) { - - /* If this is a SELECT, then it is in UPDATE TABLE ... - or SELECT ... FOR UPDATE */ - prebuilt->select_lock_type = LOCK_X; - prebuilt->stored_select_lock_type = LOCK_X; - } - - if (lock_type != F_UNLCK) { - /* MySQL is setting a new table lock */ - - trx->detailed_error[0] = '\0'; - - /* Set the MySQL flag to mark that there is an active - transaction */ - if (trx->active_trans == 0) { - - innobase_register_trx_and_stmt(ht, thd); - trx->active_trans = 1; - } else if (trx->n_mysql_tables_in_use == 0) { - innobase_register_stmt(ht, thd); - } - - if (trx->isolation_level == TRX_ISO_SERIALIZABLE - && prebuilt->select_lock_type == LOCK_NONE - && thd_test_options(thd, - OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - - /* To get serializable execution, we let InnoDB - conceptually add 'LOCK IN SHARE MODE' to all SELECTs - which otherwise would have been consistent reads. An - exception is consistent reads in the AUTOCOMMIT=1 mode: - we know that they are read-only transactions, and they - can be serialized also if performed as consistent - reads. */ - - prebuilt->select_lock_type = LOCK_S; - prebuilt->stored_select_lock_type = LOCK_S; - } - - /* Starting from 4.1.9, no InnoDB table lock is taken in LOCK - TABLES if AUTOCOMMIT=1. It does not make much sense to acquire - an InnoDB table lock if it is released immediately at the end - of LOCK TABLES, and InnoDB's table locks in that case cause - VERY easily deadlocks. - - We do not set InnoDB table locks if user has not explicitly - requested a table lock. Note that thd_in_lock_tables(thd) - can hold in some cases, e.g., at the start of a stored - procedure call (SQLCOM_CALL). */ - - if (prebuilt->select_lock_type != LOCK_NONE) { - - if (thd_sql_command(thd) == SQLCOM_LOCK_TABLES - && THDVAR(thd, table_locks) - && thd_test_options(thd, OPTION_NOT_AUTOCOMMIT) - && thd_in_lock_tables(thd)) { - - ulint error = row_lock_table_for_mysql( - prebuilt, NULL, 0); - - if (error != DB_SUCCESS) { - error = convert_error_code_to_mysql( - (int) error, 0, thd); - DBUG_RETURN((int) error); - } - } - - trx->mysql_n_tables_locked++; - } - - trx->n_mysql_tables_in_use++; - prebuilt->mysql_has_locked = TRUE; - - DBUG_RETURN(0); - } - - /* MySQL is releasing a table lock */ - - trx->n_mysql_tables_in_use--; - prebuilt->mysql_has_locked = FALSE; - - /* Release a possible FIFO ticket and search latch. Since we - may reserve the kernel mutex, we have to release the search - system latch first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - /* If the MySQL lock count drops to zero we know that the current SQL - statement has ended */ - - if (trx->n_mysql_tables_in_use == 0) { - - trx->mysql_n_tables_locked = 0; - prebuilt->used_in_HANDLER = FALSE; - - if (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - if (trx->active_trans != 0) { - innobase_commit(ht, thd, TRUE); - } - } else { - if (trx->isolation_level <= TRX_ISO_READ_COMMITTED - && trx->global_read_view) { - - /* At low transaction isolation levels we let - each consistent read set its own snapshot */ - - read_view_close_for_mysql(trx); - } - } - } - - DBUG_RETURN(0); -} - -/******************************************************************//** -With this function MySQL request a transactional lock to a table when -user issued query LOCK TABLES..WHERE ENGINE = InnoDB. -@return error code */ -UNIV_INTERN -int -ha_innobase::transactional_table_lock( -/*==================================*/ - THD* thd, /*!< in: handle to the user thread */ - int lock_type) /*!< in: lock type */ -{ - trx_t* trx; - - DBUG_ENTER("ha_innobase::transactional_table_lock"); - DBUG_PRINT("enter",("lock_type: %d", lock_type)); - - /* We do not know if MySQL can call this function before calling - external_lock(). To be safe, update the thd of the current table - handle. */ - - update_thd(thd); - - if (prebuilt->table->ibd_file_missing && !thd_tablespace_op(thd)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir?" - "InnoDB: See " REFMAN - "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - prebuilt->table->name); - DBUG_RETURN(HA_ERR_CRASHED); - } - - trx = prebuilt->trx; - - prebuilt->sql_stat_start = TRUE; - prebuilt->hint_need_to_fetch_extra_cols = 0; - - reset_template(prebuilt); - - if (lock_type == F_WRLCK) { - prebuilt->select_lock_type = LOCK_X; - prebuilt->stored_select_lock_type = LOCK_X; - } else if (lock_type == F_RDLCK) { - prebuilt->select_lock_type = LOCK_S; - prebuilt->stored_select_lock_type = LOCK_S; - } else { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB error:\n" -"MySQL is trying to set transactional table lock with corrupted lock type\n" -"to table %s, lock type %d does not exist.\n", - prebuilt->table->name, lock_type); - DBUG_RETURN(HA_ERR_CRASHED); - } - - /* MySQL is setting a new transactional table lock */ - - /* Set the MySQL flag to mark that there is an active transaction */ - if (trx->active_trans == 0) { - - innobase_register_trx_and_stmt(ht, thd); - trx->active_trans = 1; - } - - if (THDVAR(thd, table_locks) && thd_in_lock_tables(thd)) { - ulint error = DB_SUCCESS; - - error = row_lock_table_for_mysql(prebuilt, NULL, 0); - - if (error != DB_SUCCESS) { - error = convert_error_code_to_mysql( - (int) error, prebuilt->table->flags, thd); - DBUG_RETURN((int) error); - } - - if (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) { - - /* Store the current undo_no of the transaction - so that we know where to roll back if we have - to roll back the next SQL statement */ - - trx_mark_sql_stat_end(trx); - } - } - - DBUG_RETURN(0); -} - -/************************************************************************//** -Here we export InnoDB status variables to MySQL. */ -static -void -innodb_export_status(void) -/*======================*/ -{ - if (innodb_inited) { - srv_export_innodb_status(); - } -} - -/************************************************************************//** -Implements the SHOW INNODB STATUS command. Sends the output of the InnoDB -Monitor to the client. */ -static -bool -innodb_show_status( -/*===============*/ - handlerton* hton, /*!< in: the innodb handlerton */ - THD* thd, /*!< in: the MySQL query thread of the caller */ - stat_print_fn *stat_print) -{ - trx_t* trx; - static const char truncated_msg[] = "... truncated...\n"; - const long MAX_STATUS_SIZE = 64000; - ulint trx_list_start = ULINT_UNDEFINED; - ulint trx_list_end = ULINT_UNDEFINED; - - DBUG_ENTER("innodb_show_status"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - trx = check_trx_exists(thd); - - innobase_release_stat_resources(trx); - - /* We let the InnoDB Monitor to output at most MAX_STATUS_SIZE - bytes of text. */ - - long flen, usable_len; - char* str; - - mutex_enter(&srv_monitor_file_mutex); - rewind(srv_monitor_file); - srv_printf_innodb_monitor(srv_monitor_file, FALSE, - &trx_list_start, &trx_list_end); - flen = ftell(srv_monitor_file); - os_file_set_eof(srv_monitor_file); - - if (flen < 0) { - flen = 0; - } - - if (flen > MAX_STATUS_SIZE) { - usable_len = MAX_STATUS_SIZE; - } else { - usable_len = flen; - } - - /* allocate buffer for the string, and - read the contents of the temporary file */ - - if (!(str = (char*) my_malloc(usable_len + 1, MYF(0)))) { - mutex_exit(&srv_monitor_file_mutex); - DBUG_RETURN(TRUE); - } - - rewind(srv_monitor_file); - if (flen < MAX_STATUS_SIZE) { - /* Display the entire output. */ - flen = (long) fread(str, 1, flen, srv_monitor_file); - } else if (trx_list_end < (ulint) flen - && trx_list_start < trx_list_end - && trx_list_start + (flen - trx_list_end) - < MAX_STATUS_SIZE - sizeof truncated_msg - 1) { - /* Omit the beginning of the list of active transactions. */ - long len = (long) fread(str, 1, trx_list_start, srv_monitor_file); - memcpy(str + len, truncated_msg, sizeof truncated_msg - 1); - len += sizeof truncated_msg - 1; - usable_len = (MAX_STATUS_SIZE - 1) - len; - fseek(srv_monitor_file, flen - usable_len, SEEK_SET); - len += (long) fread(str + len, 1, usable_len, srv_monitor_file); - flen = len; - } else { - /* Omit the end of the output. */ - flen = (long) fread(str, 1, MAX_STATUS_SIZE - 1, srv_monitor_file); - } - - mutex_exit(&srv_monitor_file_mutex); - - bool result = FALSE; - - if (stat_print(thd, innobase_hton_name, (uint) strlen(innobase_hton_name), - STRING_WITH_LEN(""), str, flen)) { - result= TRUE; - } - my_free(str, MYF(0)); - - DBUG_RETURN(FALSE); -} - -/************************************************************************//** -Implements the SHOW MUTEX STATUS command. -@return TRUE on failure, FALSE on success. */ -static -bool -innodb_mutex_show_status( -/*=====================*/ - handlerton* hton, /*!< in: the innodb handlerton */ - THD* thd, /*!< in: the MySQL query thread of the - caller */ - stat_print_fn* stat_print) /*!< in: function for printing - statistics */ -{ - char buf1[IO_SIZE], buf2[IO_SIZE]; - mutex_t* mutex; - rw_lock_t* lock; - ulint block_mutex_oswait_count = 0; - ulint block_lock_oswait_count = 0; - mutex_t* block_mutex = NULL; - rw_lock_t* block_lock = NULL; -#ifdef UNIV_DEBUG - ulint rw_lock_count= 0; - ulint rw_lock_count_spin_loop= 0; - ulint rw_lock_count_spin_rounds= 0; - ulint rw_lock_count_os_wait= 0; - ulint rw_lock_count_os_yield= 0; - ulonglong rw_lock_wait_time= 0; -#endif /* UNIV_DEBUG */ - uint hton_name_len= (uint) strlen(innobase_hton_name), buf1len, buf2len; - DBUG_ENTER("innodb_mutex_show_status"); - DBUG_ASSERT(hton == innodb_hton_ptr); - - mutex_enter(&mutex_list_mutex); - - for (mutex = UT_LIST_GET_FIRST(mutex_list); mutex != NULL; - mutex = UT_LIST_GET_NEXT(list, mutex)) { - if (mutex->count_os_wait == 0) { - continue; - } - - if (buf_pool_is_block_mutex(mutex)) { - block_mutex = mutex; - block_mutex_oswait_count += mutex->count_os_wait; - continue; - } -#ifdef UNIV_DEBUG - if (mutex->mutex_type != 1) { - if (mutex->count_using > 0) { - buf1len= my_snprintf(buf1, sizeof(buf1), - "%s:%s", - mutex->cmutex_name, mutex->cfile_name); - buf2len= my_snprintf(buf2, sizeof(buf2), - "count=%lu, spin_waits=%lu," - " spin_rounds=%lu, " - "os_waits=%lu, os_yields=%lu," - " os_wait_times=%lu", - mutex->count_using, - mutex->count_spin_loop, - mutex->count_spin_rounds, - mutex->count_os_wait, - mutex->count_os_yield, - (ulong) (mutex->lspent_time/1000)); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&mutex_list_mutex); - DBUG_RETURN(1); - } - } - } else { - rw_lock_count += mutex->count_using; - rw_lock_count_spin_loop += mutex->count_spin_loop; - rw_lock_count_spin_rounds += mutex->count_spin_rounds; - rw_lock_count_os_wait += mutex->count_os_wait; - rw_lock_count_os_yield += mutex->count_os_yield; - rw_lock_wait_time += mutex->lspent_time; - } -#else /* UNIV_DEBUG */ - buf1len= (uint) my_snprintf(buf1, sizeof(buf1), "%s:%lu", - mutex->cfile_name, (ulong) mutex->cline); - buf2len= (uint) my_snprintf(buf2, sizeof(buf2), "os_waits=%lu", - (ulong) mutex->count_os_wait); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&mutex_list_mutex); - DBUG_RETURN(1); - } -#endif /* UNIV_DEBUG */ - } - - if (block_mutex) { - buf1len = (uint) my_snprintf(buf1, sizeof buf1, - "combined %s:%lu", - block_mutex->cfile_name, - (ulong) block_mutex->cline); - buf2len = (uint) my_snprintf(buf2, sizeof buf2, - "os_waits=%lu", - (ulong) block_mutex_oswait_count); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&mutex_list_mutex); - DBUG_RETURN(1); - } - } - - mutex_exit(&mutex_list_mutex); - - mutex_enter(&rw_lock_list_mutex); - - for (lock = UT_LIST_GET_FIRST(rw_lock_list); lock != NULL; - lock = UT_LIST_GET_NEXT(list, lock)) { - if (lock->count_os_wait) { - continue; - } - - if (buf_pool_is_block_lock(lock)) { - block_lock = lock; - block_lock_oswait_count += lock->count_os_wait; - continue; - } - - buf1len = my_snprintf(buf1, sizeof buf1, "%s:%lu", - lock->cfile_name, (ulong) lock->cline); - buf2len = my_snprintf(buf2, sizeof buf2, "os_waits=%lu", - (ulong) lock->count_os_wait); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&rw_lock_list_mutex); - DBUG_RETURN(1); - } - } - - if (block_lock) { - buf1len = (uint) my_snprintf(buf1, sizeof buf1, - "combined %s:%lu", - block_lock->cfile_name, - (ulong) block_lock->cline); - buf2len = (uint) my_snprintf(buf2, sizeof buf2, - "os_waits=%lu", - (ulong) block_lock_oswait_count); - - if (stat_print(thd, innobase_hton_name, - hton_name_len, buf1, buf1len, - buf2, buf2len)) { - mutex_exit(&rw_lock_list_mutex); - DBUG_RETURN(1); - } - } - - mutex_exit(&rw_lock_list_mutex); - -#ifdef UNIV_DEBUG - buf2len = my_snprintf(buf2, sizeof buf2, - "count=%lu, spin_waits=%lu, spin_rounds=%lu, " - "os_waits=%lu, os_yields=%lu, os_wait_times=%lu", - (ulong) rw_lock_count, - (ulong) rw_lock_count_spin_loop, - (ulong) rw_lock_count_spin_rounds, - (ulong) rw_lock_count_os_wait, - (ulong) rw_lock_count_os_yield, - (ulong) (rw_lock_wait_time / 1000)); - - if (stat_print(thd, innobase_hton_name, hton_name_len, - STRING_WITH_LEN("rw_lock_mutexes"), buf2, buf2len)) { - DBUG_RETURN(1); - } -#endif /* UNIV_DEBUG */ - - DBUG_RETURN(FALSE); -} - -static -bool innobase_show_status(handlerton *hton, THD* thd, - stat_print_fn* stat_print, - enum ha_stat_type stat_type) -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - - switch (stat_type) { - case HA_ENGINE_STATUS: - return innodb_show_status(hton, thd, stat_print); - case HA_ENGINE_MUTEX: - return innodb_mutex_show_status(hton, thd, stat_print); - default: - return(FALSE); - } -} - -/************************************************************************//** - Handling the shared INNOBASE_SHARE structure that is needed to provide table - locking. -****************************************************************************/ - -static INNOBASE_SHARE* get_share(const char* table_name) -{ - INNOBASE_SHARE *share; - pthread_mutex_lock(&innobase_share_mutex); - - ulint fold = ut_fold_string(table_name); - - HASH_SEARCH(table_name_hash, innobase_open_tables, fold, - INNOBASE_SHARE*, share, - ut_ad(share->use_count > 0), - !strcmp(share->table_name, table_name)); - - if (!share) { - - uint length = (uint) strlen(table_name); - - /* TODO: invoke HASH_MIGRATE if innobase_open_tables - grows too big */ - - share = (INNOBASE_SHARE *) my_malloc(sizeof(*share)+length+1, - MYF(MY_FAE | MY_ZEROFILL)); - - share->table_name = (char*) memcpy(share + 1, - table_name, length + 1); - - HASH_INSERT(INNOBASE_SHARE, table_name_hash, - innobase_open_tables, fold, share); - - thr_lock_init(&share->lock); - - /* Index translation table initialization */ - share->idx_trans_tbl.index_mapping = NULL; - share->idx_trans_tbl.index_count = 0; - share->idx_trans_tbl.array_size = 0; - } - - share->use_count++; - pthread_mutex_unlock(&innobase_share_mutex); - - return(share); -} - -static void free_share(INNOBASE_SHARE* share) -{ - pthread_mutex_lock(&innobase_share_mutex); - -#ifdef UNIV_DEBUG - INNOBASE_SHARE* share2; - ulint fold = ut_fold_string(share->table_name); - - HASH_SEARCH(table_name_hash, innobase_open_tables, fold, - INNOBASE_SHARE*, share2, - ut_ad(share->use_count > 0), - !strcmp(share->table_name, share2->table_name)); - - ut_a(share2 == share); -#endif /* UNIV_DEBUG */ - - if (!--share->use_count) { - ulint fold = ut_fold_string(share->table_name); - - HASH_DELETE(INNOBASE_SHARE, table_name_hash, - innobase_open_tables, fold, share); - thr_lock_delete(&share->lock); - - /* Free any memory from index translation table */ - my_free(share->idx_trans_tbl.index_mapping, - MYF(MY_ALLOW_ZERO_PTR)); - - my_free(share, MYF(0)); - - /* TODO: invoke HASH_MIGRATE if innobase_open_tables - shrinks too much */ - } - - pthread_mutex_unlock(&innobase_share_mutex); -} - -/*****************************************************************//** -Converts a MySQL table lock stored in the 'lock' field of the handle to -a proper type before storing pointer to the lock into an array of pointers. -MySQL also calls this if it wants to reset some table locks to a not-locked -state during the processing of an SQL query. An example is that during a -SELECT the read lock is released early on the 'const' tables where we only -fetch one row. MySQL does not call this when it releases all locks at the -end of an SQL statement. -@return pointer to the next element in the 'to' array */ -UNIV_INTERN -THR_LOCK_DATA** -ha_innobase::store_lock( -/*====================*/ - THD* thd, /*!< in: user thread handle */ - THR_LOCK_DATA** to, /*!< in: pointer to an array - of pointers to lock structs; - pointer to the 'lock' field - of current handle is stored - next to this array */ - enum thr_lock_type lock_type) /*!< in: lock type to store in - 'lock'; this may also be - TL_IGNORE */ -{ - trx_t* trx; - - /* Note that trx in this function is NOT necessarily prebuilt->trx - because we call update_thd() later, in ::external_lock()! Failure to - understand this caused a serious memory corruption bug in 5.1.11. */ - - trx = check_trx_exists(thd); - - /* NOTE: MySQL can call this function with lock 'type' TL_IGNORE! - Be careful to ignore TL_IGNORE if we are going to do something with - only 'real' locks! */ - - /* If no MySQL table is in use, we need to set the isolation level - of the transaction. */ - - if (lock_type != TL_IGNORE - && trx->n_mysql_tables_in_use == 0) { - trx->isolation_level = innobase_map_isolation_level( - (enum_tx_isolation) thd_tx_isolation(thd)); - - if (trx->isolation_level <= TRX_ISO_READ_COMMITTED - && trx->global_read_view) { - - /* At low transaction isolation levels we let - each consistent read set its own snapshot */ - - read_view_close_for_mysql(trx); - } - } - - DBUG_ASSERT(EQ_CURRENT_THD(thd)); - const bool in_lock_tables = thd_in_lock_tables(thd); - const uint sql_command = thd_sql_command(thd); - - if (sql_command == SQLCOM_DROP_TABLE) { - - /* MySQL calls this function in DROP TABLE though this table - handle may belong to another thd that is running a query. Let - us in that case skip any changes to the prebuilt struct. */ - - } else if ((lock_type == TL_READ && in_lock_tables) - || (lock_type == TL_READ_HIGH_PRIORITY && in_lock_tables) - || lock_type == TL_READ_WITH_SHARED_LOCKS - || lock_type == TL_READ_NO_INSERT - || (lock_type != TL_IGNORE - && sql_command != SQLCOM_SELECT)) { - - /* The OR cases above are in this order: - 1) MySQL is doing LOCK TABLES ... READ LOCAL, or we - are processing a stored procedure or function, or - 2) (we do not know when TL_READ_HIGH_PRIORITY is used), or - 3) this is a SELECT ... IN SHARE MODE, or - 4) we are doing a complex SQL statement like - INSERT INTO ... SELECT ... and the logical logging (MySQL - binlog) requires the use of a locking read, or - MySQL is doing LOCK TABLES ... READ. - 5) we let InnoDB do locking reads for all SQL statements that - are not simple SELECTs; note that select_lock_type in this - case may get strengthened in ::external_lock() to LOCK_X. - Note that we MUST use a locking read in all data modifying - SQL statements, because otherwise the execution would not be - serializable, and also the results from the update could be - unexpected if an obsolete consistent read view would be - used. */ - - ulint isolation_level; - - isolation_level = trx->isolation_level; - - if ((srv_locks_unsafe_for_binlog - || isolation_level == TRX_ISO_READ_COMMITTED) - && isolation_level != TRX_ISO_SERIALIZABLE - && (lock_type == TL_READ || lock_type == TL_READ_NO_INSERT) - && (sql_command == SQLCOM_INSERT_SELECT - || sql_command == SQLCOM_REPLACE_SELECT - || sql_command == SQLCOM_UPDATE - || sql_command == SQLCOM_CREATE_TABLE)) { - - /* If we either have innobase_locks_unsafe_for_binlog - option set or this session is using READ COMMITTED - isolation level and isolation level of the transaction - is not set to serializable and MySQL is doing - INSERT INTO...SELECT or REPLACE INTO...SELECT - or UPDATE ... = (SELECT ...) or CREATE ... - SELECT... without FOR UPDATE or IN SHARE - MODE in select, then we use consistent read - for select. */ - - prebuilt->select_lock_type = LOCK_NONE; - prebuilt->stored_select_lock_type = LOCK_NONE; - } else if (sql_command == SQLCOM_CHECKSUM) { - /* Use consistent read for checksum table */ - - prebuilt->select_lock_type = LOCK_NONE; - prebuilt->stored_select_lock_type = LOCK_NONE; - } else { - prebuilt->select_lock_type = LOCK_S; - prebuilt->stored_select_lock_type = LOCK_S; - } - - } else if (lock_type != TL_IGNORE) { - - /* We set possible LOCK_X value in external_lock, not yet - here even if this would be SELECT ... FOR UPDATE */ - - prebuilt->select_lock_type = LOCK_NONE; - prebuilt->stored_select_lock_type = LOCK_NONE; - } - - if (lock_type != TL_IGNORE && lock.type == TL_UNLOCK) { - - /* Starting from 5.0.7, we weaken also the table locks - set at the start of a MySQL stored procedure call, just like - we weaken the locks set at the start of an SQL statement. - MySQL does set in_lock_tables TRUE there, but in reality - we do not need table locks to make the execution of a - single transaction stored procedure call deterministic - (if it does not use a consistent read). */ - - if (lock_type == TL_READ - && sql_command == SQLCOM_LOCK_TABLES) { - /* We come here if MySQL is processing LOCK TABLES - ... READ LOCAL. MyISAM under that table lock type - reads the table as it was at the time the lock was - granted (new inserts are allowed, but not seen by the - reader). To get a similar effect on an InnoDB table, - we must use LOCK TABLES ... READ. We convert the lock - type here, so that for InnoDB, READ LOCAL is - equivalent to READ. This will change the InnoDB - behavior in mysqldump, so that dumps of InnoDB tables - are consistent with dumps of MyISAM tables. */ - - lock_type = TL_READ_NO_INSERT; - } - - /* If we are not doing a LOCK TABLE, DISCARD/IMPORT - TABLESPACE or TRUNCATE TABLE then allow multiple - writers. Note that ALTER TABLE uses a TL_WRITE_ALLOW_READ - < TL_WRITE_CONCURRENT_INSERT. - - We especially allow multiple writers if MySQL is at the - start of a stored procedure call (SQLCOM_CALL) or a - stored function call (MySQL does have in_lock_tables - TRUE there). */ - - if ((lock_type >= TL_WRITE_CONCURRENT_INSERT - && lock_type <= TL_WRITE) - && !(in_lock_tables - && sql_command == SQLCOM_LOCK_TABLES) - && !thd_tablespace_op(thd) - && sql_command != SQLCOM_TRUNCATE - && sql_command != SQLCOM_OPTIMIZE - && sql_command != SQLCOM_CREATE_TABLE) { - - lock_type = TL_WRITE_ALLOW_WRITE; - } - - /* In queries of type INSERT INTO t1 SELECT ... FROM t2 ... - MySQL would use the lock TL_READ_NO_INSERT on t2, and that - would conflict with TL_WRITE_ALLOW_WRITE, blocking all inserts - to t2. Convert the lock to a normal read lock to allow - concurrent inserts to t2. - - We especially allow concurrent inserts if MySQL is at the - start of a stored procedure call (SQLCOM_CALL) - (MySQL does have thd_in_lock_tables() TRUE there). */ - - if (lock_type == TL_READ_NO_INSERT - && sql_command != SQLCOM_LOCK_TABLES) { - - lock_type = TL_READ; - } - - lock.type = lock_type; - } - - *to++= &lock; - - return(to); -} - -/*********************************************************************//** -Read the next autoinc value. Acquire the relevant locks before reading -the AUTOINC value. If SUCCESS then the table AUTOINC mutex will be locked -on return and all relevant locks acquired. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -ha_innobase::innobase_get_autoinc( -/*==============================*/ - ulonglong* value) /*!< out: autoinc value */ -{ - *value = 0; - - prebuilt->autoinc_error = innobase_lock_autoinc(); - - if (prebuilt->autoinc_error == DB_SUCCESS) { - - /* Determine the first value of the interval */ - *value = dict_table_autoinc_read(prebuilt->table); - - /* It should have been initialized during open. */ - if (*value == 0) { - prebuilt->autoinc_error = DB_UNSUPPORTED; - dict_table_autoinc_unlock(prebuilt->table); - } - } - - return(prebuilt->autoinc_error); -} - -/*******************************************************************//** -This function reads the global auto-inc counter. It doesn't use the -AUTOINC lock even if the lock mode is set to TRADITIONAL. -@return the autoinc value */ -UNIV_INTERN -ulonglong -ha_innobase::innobase_peek_autoinc(void) -/*====================================*/ -{ - ulonglong auto_inc; - dict_table_t* innodb_table; - - ut_a(prebuilt != NULL); - ut_a(prebuilt->table != NULL); - - innodb_table = prebuilt->table; - - dict_table_autoinc_lock(innodb_table); - - auto_inc = dict_table_autoinc_read(innodb_table); - - ut_a(auto_inc > 0); - - dict_table_autoinc_unlock(innodb_table); - - return(auto_inc); -} - -/*********************************************************************//** -This function initializes the auto-inc counter if it has not been -initialized yet. This function does not change the value of the auto-inc -counter if it already has been initialized. Returns the value of the -auto-inc counter in *first_value, and ULONGLONG_MAX in *nb_reserved_values (as -we have a table-level lock). offset, increment, nb_desired_values are ignored. -*first_value is set to -1 if error (deadlock or lock wait timeout) */ -UNIV_INTERN -void -ha_innobase::get_auto_increment( -/*============================*/ - ulonglong offset, /*!< in: table autoinc offset */ - ulonglong increment, /*!< in: table autoinc increment */ - ulonglong nb_desired_values, /*!< in: number of values reqd */ - ulonglong *first_value, /*!< out: the autoinc value */ - ulonglong *nb_reserved_values) /*!< out: count of reserved values */ -{ - trx_t* trx; - ulint error; - ulonglong autoinc = 0; - - /* Prepare prebuilt->trx in the table handle */ - update_thd(ha_thd()); - - error = innobase_get_autoinc(&autoinc); - - if (error != DB_SUCCESS) { - *first_value = (~(ulonglong) 0); - return; - } - - /* This is a hack, since nb_desired_values seems to be accurate only - for the first call to get_auto_increment() for multi-row INSERT and - meaningless for other statements e.g, LOAD etc. Subsequent calls to - this method for the same statement results in different values which - don't make sense. Therefore we store the value the first time we are - called and count down from that as rows are written (see write_row()). - */ - - trx = prebuilt->trx; - - /* Note: We can't rely on *first_value since some MySQL engines, - in particular the partition engine, don't initialize it to 0 when - invoking this method. So we are not sure if it's guaranteed to - be 0 or not. */ - - /* We need the upper limit of the col type to check for - whether we update the table autoinc counter or not. */ - ulonglong col_max_value = innobase_get_int_col_max_value( - table->next_number_field); - - /* Called for the first time ? */ - if (trx->n_autoinc_rows == 0) { - - trx->n_autoinc_rows = (ulint) nb_desired_values; - - /* It's possible for nb_desired_values to be 0: - e.g., INSERT INTO T1(C) SELECT C FROM T2; */ - if (nb_desired_values == 0) { - - trx->n_autoinc_rows = 1; - } - - set_if_bigger(*first_value, autoinc); - /* Not in the middle of a mult-row INSERT. */ - } else if (prebuilt->autoinc_last_value == 0) { - set_if_bigger(*first_value, autoinc); - /* Check for -ve values. */ - } else if (*first_value > col_max_value && trx->n_autoinc_rows > 0) { - /* Set to next logical value. */ - ut_a(autoinc > trx->n_autoinc_rows); - *first_value = (autoinc - trx->n_autoinc_rows) - 1; - } - - *nb_reserved_values = trx->n_autoinc_rows; - - /* With old style AUTOINC locking we only update the table's - AUTOINC counter after attempting to insert the row. */ - if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { - ulonglong need; - ulonglong current; - ulonglong next_value; - - current = *first_value > col_max_value ? autoinc : *first_value; - need = *nb_reserved_values * increment; - - /* Compute the last value in the interval */ - next_value = innobase_next_autoinc( - current, need, offset, col_max_value); - - prebuilt->autoinc_last_value = next_value; - - if (prebuilt->autoinc_last_value < *first_value) { - *first_value = (~(ulonglong) 0); - } else { - /* Update the table autoinc variable */ - dict_table_autoinc_update_if_greater( - prebuilt->table, prebuilt->autoinc_last_value); - } - } else { - /* This will force write_row() into attempting an update - of the table's AUTOINC counter. */ - prebuilt->autoinc_last_value = 0; - } - - /* The increment to be used to increase the AUTOINC value, we use - this in write_row() and update_row() to increase the autoinc counter - for columns that are filled by the user. We need the offset and - the increment. */ - prebuilt->autoinc_offset = offset; - prebuilt->autoinc_increment = increment; - - dict_table_autoinc_unlock(prebuilt->table); -} - -/*******************************************************************//** -Reset the auto-increment counter to the given value, i.e. the next row -inserted will get the given value. This is called e.g. after TRUNCATE -is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is -returned by storage engines that don't support this operation. -@return 0 or error code */ -UNIV_INTERN -int -ha_innobase::reset_auto_increment( -/*==============================*/ - ulonglong value) /*!< in: new value for table autoinc */ -{ - DBUG_ENTER("ha_innobase::reset_auto_increment"); - - int error; - - update_thd(ha_thd()); - - error = row_lock_table_autoinc_for_mysql(prebuilt); - - if (error != DB_SUCCESS) { - error = convert_error_code_to_mysql(error, - prebuilt->table->flags, - user_thd); - - DBUG_RETURN(error); - } - - /* The next value can never be 0. */ - if (value == 0) { - value = 1; - } - - innobase_reset_autoinc(value); - - DBUG_RETURN(0); -} - -/* See comment in handler.cc */ -UNIV_INTERN -bool -ha_innobase::get_error_message(int error, String *buf) -{ - trx_t* trx = check_trx_exists(ha_thd()); - - buf->copy(trx->detailed_error, (uint) strlen(trx->detailed_error), - system_charset_info); - - return(FALSE); -} - -/*******************************************************************//** -Compares two 'refs'. A 'ref' is the (internal) primary key value of the row. -If there is no explicitly declared non-null unique key or a primary key, then -InnoDB internally uses the row id as the primary key. -@return < 0 if ref1 < ref2, 0 if equal, else > 0 */ -UNIV_INTERN -int -ha_innobase::cmp_ref( -/*=================*/ - const uchar* ref1, /*!< in: an (internal) primary key value in the - MySQL key value format */ - const uchar* ref2) /*!< in: an (internal) primary key value in the - MySQL key value format */ -{ - enum_field_types mysql_type; - Field* field; - KEY_PART_INFO* key_part; - KEY_PART_INFO* key_part_end; - uint len1; - uint len2; - int result; - - if (prebuilt->clust_index_was_generated) { - /* The 'ref' is an InnoDB row id */ - - return(memcmp(ref1, ref2, DATA_ROW_ID_LEN)); - } - - /* Do a type-aware comparison of primary key fields. PK fields - are always NOT NULL, so no checks for NULL are performed. */ - - key_part = table->key_info[table->s->primary_key].key_part; - - key_part_end = key_part - + table->key_info[table->s->primary_key].key_parts; - - for (; key_part != key_part_end; ++key_part) { - field = key_part->field; - mysql_type = field->type(); - - if (mysql_type == MYSQL_TYPE_TINY_BLOB - || mysql_type == MYSQL_TYPE_MEDIUM_BLOB - || mysql_type == MYSQL_TYPE_BLOB - || mysql_type == MYSQL_TYPE_LONG_BLOB) { - - /* In the MySQL key value format, a column prefix of - a BLOB is preceded by a 2-byte length field */ - - len1 = innobase_read_from_2_little_endian(ref1); - len2 = innobase_read_from_2_little_endian(ref2); - - ref1 += 2; - ref2 += 2; - result = ((Field_blob*)field)->cmp( ref1, len1, - ref2, len2); - } else { - result = field->key_cmp(ref1, ref2); - } - - if (result) { - - return(result); - } - - ref1 += key_part->store_length; - ref2 += key_part->store_length; - } - - return(0); -} - -/*******************************************************************//** -Ask InnoDB if a query to a table can be cached. -@return TRUE if query caching of the table is permitted */ -UNIV_INTERN -my_bool -ha_innobase::register_query_cache_table( -/*====================================*/ - THD* thd, /*!< in: user thread handle */ - char* table_key, /*!< in: concatenation of database name, - the null character NUL, - and the table name */ - uint key_length, /*!< in: length of the full name, i.e. - len(dbname) + len(tablename) + 1 */ - qc_engine_callback* - call_back, /*!< out: pointer to function for - checking if query caching - is permitted */ - ulonglong *engine_data) /*!< in/out: data to call_back */ -{ - *call_back = innobase_query_caching_of_table_permitted; - *engine_data = 0; - return(innobase_query_caching_of_table_permitted(thd, table_key, - key_length, - engine_data)); -} - -UNIV_INTERN -char* -ha_innobase::get_mysql_bin_log_name() -{ - return(trx_sys_mysql_bin_log_name); -} - -UNIV_INTERN -ulonglong -ha_innobase::get_mysql_bin_log_pos() -{ - /* trx... is ib_int64_t, which is a typedef for a 64-bit integer - (__int64 or longlong) so it's ok to cast it to ulonglong. */ - - return(trx_sys_mysql_bin_log_pos); -} - -/******************************************************************//** -This function is used to find the storage length in bytes of the first n -characters for prefix indexes using a multibyte character set. The function -finds charset information and returns length of prefix_len characters in the -index field in bytes. -@return number of bytes occupied by the first n characters */ -extern "C" UNIV_INTERN -ulint -innobase_get_at_most_n_mbchars( -/*===========================*/ - ulint charset_id, /*!< in: character set id */ - ulint prefix_len, /*!< in: prefix length in bytes of the index - (this has to be divided by mbmaxlen to get the - number of CHARACTERS n in the prefix) */ - ulint data_len, /*!< in: length of the string in bytes */ - const char* str) /*!< in: character string */ -{ - ulint char_length; /*!< character length in bytes */ - ulint n_chars; /*!< number of characters in prefix */ - CHARSET_INFO* charset; /*!< charset used in the field */ - - charset = get_charset((uint) charset_id, MYF(MY_WME)); - - ut_ad(charset); - ut_ad(charset->mbmaxlen); - - /* Calculate how many characters at most the prefix index contains */ - - n_chars = prefix_len / charset->mbmaxlen; - - /* If the charset is multi-byte, then we must find the length of the - first at most n chars in the string. If the string contains less - characters than n, then we return the length to the end of the last - character. */ - - if (charset->mbmaxlen > 1) { - /* my_charpos() returns the byte length of the first n_chars - characters, or a value bigger than the length of str, if - there were not enough full characters in str. - - Why does the code below work: - Suppose that we are looking for n UTF-8 characters. - - 1) If the string is long enough, then the prefix contains at - least n complete UTF-8 characters + maybe some extra - characters + an incomplete UTF-8 character. No problem in - this case. The function returns the pointer to the - end of the nth character. - - 2) If the string is not long enough, then the string contains - the complete value of a column, that is, only complete UTF-8 - characters, and we can store in the column prefix index the - whole string. */ - - char_length = my_charpos(charset, str, - str + data_len, (int) n_chars); - if (char_length > data_len) { - char_length = data_len; - } - } else { - if (data_len < prefix_len) { - char_length = data_len; - } else { - char_length = prefix_len; - } - } - - return(char_length); -} - -/*******************************************************************//** -This function is used to prepare an X/Open XA distributed transaction. -@return 0 or error number */ -static -int -innobase_xa_prepare( -/*================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - THD* thd, /*!< in: handle to the MySQL thread of - the user whose XA transaction should - be prepared */ - bool all) /*!< in: TRUE - commit transaction - FALSE - the current SQL statement - ended */ -{ - int error = 0; - trx_t* trx = check_trx_exists(thd); - - DBUG_ASSERT(hton == innodb_hton_ptr); - - /* we use support_xa value as it was seen at transaction start - time, not the current session variable value. Any possible changes - to the session variable take effect only in the next transaction */ - if (!trx->support_xa) { - - return(0); - } - - thd_get_xid(thd, (MYSQL_XID*) &trx->xid); - - /* Release a possible FIFO ticket and search latch. Since we will - reserve the kernel mutex, we have to release the search system latch - first to obey the latching order. */ - - innobase_release_stat_resources(trx); - - if (trx->active_trans == 0 && trx->conc_state != TRX_NOT_STARTED) { - - sql_print_error("trx->active_trans == 0, but trx->conc_state != " - "TRX_NOT_STARTED"); - } - - if (all - || (!thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) { - - /* We were instructed to prepare the whole transaction, or - this is an SQL statement end and autocommit is on */ - - ut_ad(trx->active_trans); - - error = (int) trx_prepare_for_mysql(trx); - } else { - /* We just mark the SQL statement ended and do not do a - transaction prepare */ - - /* If we had reserved the auto-inc lock for some - table in this SQL statement we release it now */ - - row_unlock_table_autoinc_for_mysql(trx); - - /* Store the current undo_no of the transaction so that we - know where to roll back if we have to roll back the next - SQL statement */ - - trx_mark_sql_stat_end(trx); - } - - /* Tell the InnoDB server that there might be work for utility - threads: */ - - srv_active_wake_master_thread(); - - if (thd_sql_command(thd) != SQLCOM_XA_PREPARE && - (all || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN))) - { - - /* For ibbackup to work the order of transactions in binlog - and InnoDB must be the same. Consider the situation - - thread1> prepare; write to binlog; ... - - thread2> prepare; write to binlog; commit - thread1> ... commit - - To ensure this will not happen we're taking the mutex on - prepare, and releasing it on commit. - - Note: only do it for normal commits, done via ha_commit_trans. - If 2pc protocol is executed by external transaction - coordinator, it will be just a regular MySQL client - executing XA PREPARE and XA COMMIT commands. - In this case we cannot know how many minutes or hours - will be between XA PREPARE and XA COMMIT, and we don't want - to block for undefined period of time. */ - pthread_mutex_lock(&prepare_commit_mutex); - trx->active_trans = 2; - } - - return(error); -} - -/*******************************************************************//** -This function is used to recover X/Open XA distributed transactions. -@return number of prepared transactions stored in xid_list */ -static -int -innobase_xa_recover( -/*================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - XID* xid_list,/*!< in/out: prepared transactions */ - uint len) /*!< in: number of slots in xid_list */ -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - - if (len == 0 || xid_list == NULL) { - - return(0); - } - - return(trx_recover_for_mysql(xid_list, len)); -} - -/*******************************************************************//** -This function is used to commit one X/Open XA distributed transaction -which is in the prepared state -@return 0 or error number */ -static -int -innobase_commit_by_xid( -/*===================*/ - handlerton *hton, - XID* xid) /*!< in: X/Open XA transaction identification */ -{ - trx_t* trx; - - DBUG_ASSERT(hton == innodb_hton_ptr); - - trx = trx_get_trx_by_xid(xid); - - if (trx) { - innobase_commit_low(trx); - - return(XA_OK); - } else { - return(XAER_NOTA); - } -} - -/*******************************************************************//** -This function is used to rollback one X/Open XA distributed transaction -which is in the prepared state -@return 0 or error number */ -static -int -innobase_rollback_by_xid( -/*=====================*/ - handlerton* hton, /*!< in: InnoDB handlerton */ - XID* xid) /*!< in: X/Open XA transaction - identification */ -{ - trx_t* trx; - - DBUG_ASSERT(hton == innodb_hton_ptr); - - trx = trx_get_trx_by_xid(xid); - - if (trx) { - return(innobase_rollback_trx(trx)); - } else { - return(XAER_NOTA); - } -} - -/*******************************************************************//** -Create a consistent view for a cursor based on current transaction -which is created if the corresponding MySQL thread still lacks one. -This consistent view is then used inside of MySQL when accessing records -using a cursor. -@return pointer to cursor view or NULL */ -static -void* -innobase_create_cursor_view( -/*========================*/ - handlerton *hton, /*!< in: innobase hton */ - THD* thd) /*!< in: user thread handle */ -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - - return(read_cursor_view_create_for_mysql(check_trx_exists(thd))); -} - -/*******************************************************************//** -Close the given consistent cursor view of a transaction and restore -global read view to a transaction read view. Transaction is created if the -corresponding MySQL thread still lacks one. */ -static -void -innobase_close_cursor_view( -/*=======================*/ - handlerton *hton, - THD* thd, /*!< in: user thread handle */ - void* curview)/*!< in: Consistent read view to be closed */ -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - - read_cursor_view_close_for_mysql(check_trx_exists(thd), - (cursor_view_t*) curview); -} - -/*******************************************************************//** -Set the given consistent cursor view to a transaction which is created -if the corresponding MySQL thread still lacks one. If the given -consistent cursor view is NULL global read view of a transaction is -restored to a transaction read view. */ -static -void -innobase_set_cursor_view( -/*=====================*/ - handlerton *hton, - THD* thd, /*!< in: user thread handle */ - void* curview)/*!< in: Consistent cursor view to be set */ -{ - DBUG_ASSERT(hton == innodb_hton_ptr); - - read_cursor_set_for_mysql(check_trx_exists(thd), - (cursor_view_t*) curview); -} - -/*******************************************************************//** -If col_name is not NULL, check whether the named column is being -renamed in the table. If col_name is not provided, check -whether any one of columns in the table is being renamed. -@return true if the column is being renamed */ -static -bool -check_column_being_renamed( -/*=======================*/ - const TABLE* table, /*!< in: MySQL table */ - const char* col_name) /*!< in: name of the column */ -{ - uint k; - Field* field; - - for (k = 0; k < table->s->fields; k++) { - field = table->field[k]; - - if (field->flags & FIELD_IS_RENAMED) { - - /* If col_name is not provided, return - if the field is marked as being renamed. */ - if (!col_name) { - return(true); - } - - /* If col_name is provided, return only - if names match */ - if (innobase_strcasecmp(field->field_name, - col_name) == 0) { - return(true); - } - } - } - - return(false); -} - -/*******************************************************************//** -Check whether any of the given columns is being renamed in the table. -@return true if any of col_names is being renamed in table */ -static -bool -column_is_being_renamed( -/*====================*/ - TABLE* table, /*!< in: MySQL table */ - uint n_cols, /*!< in: number of columns */ - const char** col_names) /*!< in: names of the columns */ -{ - uint j; - - for (j = 0; j < n_cols; j++) { - if (check_column_being_renamed(table, col_names[j])) { - return(true); - } - } - - return(false); -} - -/*********************************************************************** -Check whether a column in table "table" is being renamed and if this column -is part of a foreign key, either part of another table, referencing this -table or part of this table, referencing another table. */ -static -bool -foreign_key_column_is_being_renamed( -/*================================*/ - /* out: true if a column that - participates in a foreign key definition - is being renamed */ - row_prebuilt_t* prebuilt, /* in: InnoDB prebuilt struct */ - TABLE* table) /* in: MySQL table */ -{ - dict_foreign_t* foreign; - - /* check whether there are foreign keys at all */ - if (UT_LIST_GET_LEN(prebuilt->table->foreign_list) == 0 - && UT_LIST_GET_LEN(prebuilt->table->referenced_list) == 0) { - /* no foreign keys involved with prebuilt->table */ - - return(false); - } - - row_mysql_lock_data_dictionary(prebuilt->trx); - - /* Check whether any column in the foreign key constraints which refer - to this table is being renamed. */ - for (foreign = UT_LIST_GET_FIRST(prebuilt->table->referenced_list); - foreign != NULL; - foreign = UT_LIST_GET_NEXT(referenced_list, foreign)) { - - if (column_is_being_renamed(table, foreign->n_fields, - foreign->referenced_col_names)) { - - row_mysql_unlock_data_dictionary(prebuilt->trx); - return(true); - } - } - - /* Check whether any column in the foreign key constraints in the - table is being renamed. */ - for (foreign = UT_LIST_GET_FIRST(prebuilt->table->foreign_list); - foreign != NULL; - foreign = UT_LIST_GET_NEXT(foreign_list, foreign)) { - - if (column_is_being_renamed(table, foreign->n_fields, - foreign->foreign_col_names)) { - - row_mysql_unlock_data_dictionary(prebuilt->trx); - return(true); - } - } - - row_mysql_unlock_data_dictionary(prebuilt->trx); - - return(false); -} - -UNIV_INTERN -bool -ha_innobase::check_if_incompatible_data( - HA_CREATE_INFO* info, - uint table_changes) -{ - if (table_changes != IS_EQUAL_YES) { - - return(COMPATIBLE_DATA_NO); - } - - /* Check that auto_increment value was not changed */ - if ((info->used_fields & HA_CREATE_USED_AUTO) && - info->auto_increment_value != 0) { - - return(COMPATIBLE_DATA_NO); - } - - /* For column rename operation, MySQL does not supply enough - information (new column name etc.) for InnoDB to make appropriate - system metadata change. To avoid system metadata inconsistency, - currently we can just request a table rebuild/copy by returning - COMPATIBLE_DATA_NO */ - if (check_column_being_renamed(table, NULL)) { - return COMPATIBLE_DATA_NO; - } - - /* Check if a column participating in a foreign key is being renamed. - There is no mechanism for updating InnoDB foreign key definitions. */ - if (foreign_key_column_is_being_renamed(prebuilt, table)) { - - return COMPATIBLE_DATA_NO; - } - - /* Check that row format didn't change */ - if ((info->used_fields & HA_CREATE_USED_ROW_FORMAT) - && info->row_type != ROW_TYPE_DEFAULT - && info->row_type != get_row_type()) { - - return(COMPATIBLE_DATA_NO); - } - - /* Specifying KEY_BLOCK_SIZE requests a rebuild of the table. */ - if (info->used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE) { - return(COMPATIBLE_DATA_NO); - } - - return(COMPATIBLE_DATA_YES); -} - -/************************************************************//** -Validate the file format name and return its corresponding id. -@return valid file format id */ -static -uint -innobase_file_format_name_lookup( -/*=============================*/ - const char* format_name) /*!< in: pointer to file format name */ -{ - char* endp; - uint format_id; - - ut_a(format_name != NULL); - - /* The format name can contain the format id itself instead of - the name and we check for that. */ - format_id = (uint) strtoul(format_name, &endp, 10); - - /* Check for valid parse. */ - if (*endp == '\0' && *format_name != '\0') { - - if (format_id <= DICT_TF_FORMAT_MAX) { - - return(format_id); - } - } else { - - for (format_id = 0; format_id <= DICT_TF_FORMAT_MAX; - format_id++) { - const char* name; - - name = trx_sys_file_format_id_to_name(format_id); - - if (!innobase_strcasecmp(format_name, name)) { - - return(format_id); - } - } - } - - return(DICT_TF_FORMAT_MAX + 1); -} - -/************************************************************//** -Validate the file format check value, is it one of "on" or "off", -as a side effect it sets the srv_check_file_format_at_startup variable. -@return true if config value one of "on" or "off" */ -static -bool -innobase_file_format_check_on_off( -/*==============================*/ - const char* format_check) /*!< in: parameter value */ -{ - bool ret = true; - - if (!innobase_strcasecmp(format_check, "off")) { - - /* Set the value to disable checking. */ - srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX + 1; - - } else if (!innobase_strcasecmp(format_check, "on")) { - - /* Set the value to the lowest supported format. */ - srv_check_file_format_at_startup = DICT_TF_FORMAT_51; - } else { - ret = FALSE; - } - - return(ret); -} - -/************************************************************//** -Validate the file format check config parameters, as a side effect it -sets the srv_check_file_format_at_startup variable. -@return the format_id if valid config value, otherwise, return -1 */ -static -int -innobase_file_format_validate_and_set( -/*================================*/ - const char* format_check) /*!< in: parameter value */ -{ - uint format_id; - - format_id = innobase_file_format_name_lookup(format_check); - - if (format_id < DICT_TF_FORMAT_MAX + 1) { - srv_check_file_format_at_startup = format_id; - - return((int) format_id); - } else { - return(-1); - } -} - -/*************************************************************//** -Check if it is a valid file format. This function is registered as -a callback with MySQL. -@return 0 for valid file format */ -static -int -innodb_file_format_name_validate( -/*=============================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to system - variable */ - void* save, /*!< out: immediate result - for update function */ - struct st_mysql_value* value) /*!< in: incoming string */ -{ - const char* file_format_input; - char buff[STRING_BUFFER_USUAL_SIZE]; - int len = sizeof(buff); - - ut_a(save != NULL); - ut_a(value != NULL); - - file_format_input = value->val_str(value, buff, &len); - - if (file_format_input != NULL) { - uint format_id; - - format_id = innobase_file_format_name_lookup( - file_format_input); - - if (format_id <= DICT_TF_FORMAT_MAX) { - - /* Save a pointer to the name in the - 'file_format_name_map' constant array. */ - *static_cast(save) = - trx_sys_file_format_id_to_name(format_id); - - return(0); - } - } - - *static_cast(save) = NULL; - return(1); -} - -/****************************************************************//** -Update the system variable innodb_file_format using the "saved" -value. This function is registered as a callback with MySQL. */ -static -void -innodb_file_format_name_update( -/*===========================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr, /*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ -{ - const char* format_name; - - ut_a(var_ptr != NULL); - ut_a(save != NULL); - - format_name = *static_cast(save); - - if (format_name) { - uint format_id; - - format_id = innobase_file_format_name_lookup(format_name); - - if (format_id <= DICT_TF_FORMAT_MAX) { - srv_file_format = format_id; - } - } - - *static_cast(var_ptr) - = trx_sys_file_format_id_to_name(srv_file_format); -} - -/*************************************************************//** -Check if valid argument to innodb_file_format_check. This -function is registered as a callback with MySQL. -@return 0 for valid file format */ -static -int -innodb_file_format_check_validate( -/*==============================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to system - variable */ - void* save, /*!< out: immediate result - for update function */ - struct st_mysql_value* value) /*!< in: incoming string */ -{ - const char* file_format_input; - char buff[STRING_BUFFER_USUAL_SIZE]; - int len = sizeof(buff); - int format_id; - - ut_a(save != NULL); - ut_a(value != NULL); - - file_format_input = value->val_str(value, buff, &len); - - if (file_format_input != NULL) { - - /* Check if user set on/off, we want to print a suitable - message if they did so. */ - - if (innobase_file_format_check_on_off(file_format_input)) { - push_warning_printf(thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_WRONG_ARGUMENTS, - "InnoDB: invalid innodb_file_format_check " - "value; on/off can only be set at startup or " - "in the configuration file"); - } else { - format_id = innobase_file_format_validate_and_set( - file_format_input); - - if (format_id >= 0) { - /* Save a pointer to the name in the - 'file_format_name_map' constant array. */ - *static_cast(save) = - trx_sys_file_format_id_to_name( - (uint)format_id); - - return(0); - - } else { - push_warning_printf(thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_WRONG_ARGUMENTS, - "InnoDB: invalid innodb_file_format_check " - "value; can be any format up to %s " - "or its equivalent numeric id", - trx_sys_file_format_id_to_name( - DICT_TF_FORMAT_MAX)); - } - } - } - - *static_cast(save) = NULL; - return(1); -} - -/****************************************************************//** -Update the system variable innodb_file_format_check using the "saved" -value. This function is registered as a callback with MySQL. */ -static -void -innodb_file_format_check_update( -/*============================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr, /*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ -{ - const char* format_name_in; - const char** format_name_out; - uint format_id; - - ut_a(save != NULL); - ut_a(var_ptr != NULL); - - format_name_in = *static_cast(save); - - if (!format_name_in) { - - return; - } - - format_id = innobase_file_format_name_lookup(format_name_in); - - if (format_id > DICT_TF_FORMAT_MAX) { - /* DEFAULT is "on", which is invalid at runtime. */ - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, - ER_WRONG_ARGUMENTS, - "Ignoring SET innodb_file_format=%s", - format_name_in); - return; - } - - format_name_out = static_cast(var_ptr); - - /* Update the max format id in the system tablespace. */ - if (trx_sys_file_format_max_set(format_id, format_name_out)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " [Info] InnoDB: the file format in the system " - "tablespace is now set to %s.\n", *format_name_out); - } -} - -/****************************************************************//** -Update the system variable innodb_adaptive_hash_index using the "saved" -value. This function is registered as a callback with MySQL. */ -static -void -innodb_adaptive_hash_index_update( -/*==============================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr, /*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ -{ - if (*(my_bool*) save) { - btr_search_enable(); - } else { - btr_search_disable(); - } -} - -/****************************************************************//** -Update the system variable innodb_old_blocks_pct using the "saved" -value. This function is registered as a callback with MySQL. */ -static -void -innodb_old_blocks_pct_update( -/*=========================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr,/*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ -{ - innobase_old_blocks_pct = buf_LRU_old_ratio_update( - *static_cast(save), TRUE); -} - -/*************************************************************//** -Check if it is a valid value of innodb_change_buffering. This function is -registered as a callback with MySQL. -@return 0 for valid innodb_change_buffering */ -static -int -innodb_change_buffering_validate( -/*=============================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to system - variable */ - void* save, /*!< out: immediate result - for update function */ - struct st_mysql_value* value) /*!< in: incoming string */ -{ - const char* change_buffering_input; - char buff[STRING_BUFFER_USUAL_SIZE]; - int len = sizeof(buff); - - ut_a(save != NULL); - ut_a(value != NULL); - - change_buffering_input = value->val_str(value, buff, &len); - - if (change_buffering_input != NULL) { - ulint use; - - for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values); - use++) { - if (!innobase_strcasecmp( - change_buffering_input, - innobase_change_buffering_values[use])) { - *(ibuf_use_t*) save = (ibuf_use_t) use; - return(0); - } - } - } - - return(1); -} - -/****************************************************************//** -Update the system variable innodb_change_buffering using the "saved" -value. This function is registered as a callback with MySQL. */ -static -void -innodb_change_buffering_update( -/*===========================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr, /*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ -{ - ut_a(var_ptr != NULL); - ut_a(save != NULL); - ut_a((*(ibuf_use_t*) save) < IBUF_USE_COUNT); - - ibuf_use = *(const ibuf_use_t*) save; - - *(const char**) var_ptr = innobase_change_buffering_values[ibuf_use]; -} - -static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) -{ - innodb_export_status(); - var->type= SHOW_ARRAY; - var->value= (char *) &innodb_status_variables; - return 0; -} - -/*********************************************************************** -This function checks each index name for a table against reserved -system default primary index name 'GEN_CLUST_INDEX'. If a name matches, -this function pushes an warning message to the client, and returns true. */ -extern "C" UNIV_INTERN -bool -innobase_index_name_is_reserved( -/*============================*/ - /* out: true if an index name - matches the reserved name */ - const trx_t* trx, /* in: InnoDB transaction handle */ - const KEY* key_info, /* in: Indexes to be created */ - ulint num_of_keys) /* in: Number of indexes to - be created. */ -{ - const KEY* key; - uint key_num; /* index number */ - - for (key_num = 0; key_num < num_of_keys; key_num++) { - key = &key_info[key_num]; - - if (innobase_strcasecmp(key->name, - innobase_index_reserve_name) == 0) { - /* Push warning to mysql */ - push_warning_printf((THD*) trx->mysql_thd, - MYSQL_ERROR::WARN_LEVEL_WARN, - ER_WRONG_NAME_FOR_INDEX, - "Cannot Create Index with name " - "'%s'. The name is reserved " - "for the system default primary " - "index.", - innobase_index_reserve_name); - - my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), - innobase_index_reserve_name); - - return(true); - } - } - - return(false); -} - -static SHOW_VAR innodb_status_variables_export[]= { - {"Innodb", (char*) &show_innodb_vars, SHOW_FUNC}, - {NullS, NullS, SHOW_LONG} -}; - -static struct st_mysql_storage_engine innobase_storage_engine= -{ MYSQL_HANDLERTON_INTERFACE_VERSION }; - -/* plugin options */ -static MYSQL_SYSVAR_BOOL(checksums, innobase_use_checksums, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, - "Enable InnoDB checksums validation (enabled by default). " - "Disable with --skip-innodb-checksums.", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_STR(data_home_dir, innobase_data_home_dir, - PLUGIN_VAR_READONLY, - "The common part for InnoDB table spaces.", - NULL, NULL, NULL); - -static MYSQL_SYSVAR_BOOL(doublewrite, innobase_use_doublewrite, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, - "Enable InnoDB doublewrite buffer (enabled by default). " - "Disable with --skip-innodb-doublewrite.", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_ULONG(io_capacity, srv_io_capacity, - PLUGIN_VAR_RQCMDARG, - "Number of IOPs the server can do. Tunes the background IO rate", - NULL, NULL, 200, 100, ~0L, 0); - -static MYSQL_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown, - PLUGIN_VAR_OPCMDARG, - "Speeds up the shutdown process of the InnoDB storage engine. Possible " - "values are 0, 1 (faster)" - /* - NetWare can't close unclosed files, can't automatically kill remaining - threads, etc, so on this OS we disable the crash-like InnoDB shutdown. - */ - IF_NETWARE("", " or 2 (fastest - crash-like)") - ".", - NULL, NULL, 1, 0, IF_NETWARE(1,2), 0); - -static MYSQL_SYSVAR_BOOL(file_per_table, srv_file_per_table, - PLUGIN_VAR_NOCMDARG, - "Stores each InnoDB table to an .ibd file in the database dir.", - NULL, NULL, FALSE); - -static MYSQL_SYSVAR_STR(file_format, innobase_file_format_name, - PLUGIN_VAR_RQCMDARG, - "File format to use for new tables in .ibd files.", - innodb_file_format_name_validate, - innodb_file_format_name_update, "Antelope"); - -/* If a new file format is introduced, the file format -name needs to be updated accordingly. Please refer to -file_format_name_map[] defined in trx0sys.c for the next -file format name. */ -static MYSQL_SYSVAR_STR(file_format_check, innobase_file_format_check, - PLUGIN_VAR_OPCMDARG, - "The highest file format in the tablespace.", - innodb_file_format_check_validate, - innodb_file_format_check_update, "Barracuda"); - -static MYSQL_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit, - PLUGIN_VAR_OPCMDARG, - "Set to 0 (write and flush once per second)," - " 1 (write and flush at each commit)" - " or 2 (write at commit, flush once per second).", - NULL, NULL, 1, 0, 2, 0); - -static MYSQL_SYSVAR_STR(flush_method, innobase_file_flush_method, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "With which method to flush data.", NULL, NULL, NULL); - -static MYSQL_SYSVAR_BOOL(locks_unsafe_for_binlog, innobase_locks_unsafe_for_binlog, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, - "Force InnoDB to not use next-key locking, to use only row-level locking.", - NULL, NULL, FALSE); - -#ifdef UNIV_LOG_ARCHIVE -static MYSQL_SYSVAR_STR(log_arch_dir, innobase_log_arch_dir, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Where full logs should be archived.", NULL, NULL, NULL); - -static MYSQL_SYSVAR_BOOL(log_archive, innobase_log_archive, - PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, - "Set to 1 if you want to have logs archived.", NULL, NULL, FALSE); -#endif /* UNIV_LOG_ARCHIVE */ - -static MYSQL_SYSVAR_STR(log_group_home_dir, innobase_log_group_home_dir, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Path to InnoDB log files.", NULL, NULL, NULL); - -static MYSQL_SYSVAR_ULONG(max_dirty_pages_pct, srv_max_buf_pool_modified_pct, - PLUGIN_VAR_RQCMDARG, - "Percentage of dirty pages allowed in bufferpool.", - NULL, NULL, 75, 0, 99, 0); - -static MYSQL_SYSVAR_BOOL(adaptive_flushing, srv_adaptive_flushing, - PLUGIN_VAR_NOCMDARG, - "Attempt flushing dirty pages to avoid IO bursts at checkpoints.", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_ULONG(max_purge_lag, srv_max_purge_lag, - PLUGIN_VAR_RQCMDARG, - "Desired maximum length of the purge queue (0 = no limit)", - NULL, NULL, 0, 0, ~0L, 0); - -static MYSQL_SYSVAR_BOOL(rollback_on_timeout, innobase_rollback_on_timeout, - PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, - "Roll back the complete transaction on lock wait timeout, for 4.x compatibility (disabled by default)", - NULL, NULL, FALSE); - -static MYSQL_SYSVAR_BOOL(status_file, innobase_create_status_file, - PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_NOSYSVAR, - "Enable SHOW INNODB STATUS output in the innodb_status. file", - NULL, NULL, FALSE); - -static MYSQL_SYSVAR_BOOL(stats_on_metadata, innobase_stats_on_metadata, - PLUGIN_VAR_OPCMDARG, - "Enable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_ULONGLONG(stats_sample_pages, srv_stats_sample_pages, - PLUGIN_VAR_RQCMDARG, - "The number of index pages to sample when calculating statistics (default 8)", - NULL, NULL, 8, 1, ~0ULL, 0); - -static MYSQL_SYSVAR_BOOL(adaptive_hash_index, btr_search_enabled, - PLUGIN_VAR_OPCMDARG, - "Enable InnoDB adaptive hash index (enabled by default). " - "Disable with --skip-innodb-adaptive-hash-index.", - NULL, innodb_adaptive_hash_index_update, TRUE); - -static MYSQL_SYSVAR_ULONG(replication_delay, srv_replication_delay, - PLUGIN_VAR_RQCMDARG, - "Replication thread delay (ms) on the slave server if " - "innodb_thread_concurrency is reached (0 by default)", - NULL, NULL, 0, 0, ~0UL, 0); - -static MYSQL_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.", - NULL, NULL, 8*1024*1024L, 512*1024L, LONG_MAX, 1024); - -static MYSQL_SYSVAR_ULONG(autoextend_increment, srv_auto_extend_increment, - PLUGIN_VAR_RQCMDARG, - "Data file autoextend increment in megabytes", - NULL, NULL, 8L, 1L, 1000L, 0); - -static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", - NULL, NULL, 128*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); - -static MYSQL_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency, - PLUGIN_VAR_RQCMDARG, - "Helps in performance tuning in heavily concurrent environments.", - innobase_commit_concurrency_validate, NULL, 0, 0, 1000, 0); - -static MYSQL_SYSVAR_ULONG(concurrency_tickets, srv_n_free_tickets_to_enter, - PLUGIN_VAR_RQCMDARG, - "Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket", - NULL, NULL, 500L, 1L, ~0L, 0); - -static MYSQL_SYSVAR_LONG(file_io_threads, innobase_file_io_threads, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY | PLUGIN_VAR_NOSYSVAR, - "Number of file I/O threads in InnoDB.", - NULL, NULL, 4, 4, 64, 0); - -static MYSQL_SYSVAR_ULONG(read_io_threads, innobase_read_io_threads, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Number of background read I/O threads in InnoDB.", - NULL, NULL, 4, 1, 64, 0); - -static MYSQL_SYSVAR_ULONG(write_io_threads, innobase_write_io_threads, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Number of background write I/O threads in InnoDB.", - NULL, NULL, 4, 1, 64, 0); - -static MYSQL_SYSVAR_LONG(force_recovery, innobase_force_recovery, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Helps to save your data in case the disk image of the database becomes corrupt.", - NULL, NULL, 0, 0, 6, 0); - -static MYSQL_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "The size of the buffer which InnoDB uses to write log to the log files on disk.", - NULL, NULL, 8*1024*1024L, 256*1024L, LONG_MAX, 1024); - -static MYSQL_SYSVAR_LONGLONG(log_file_size, innobase_log_file_size, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Size of each log file in a log group.", - NULL, NULL, 5*1024*1024L, 1*1024*1024L, LONGLONG_MAX, 1024*1024L); - -static MYSQL_SYSVAR_LONG(log_files_in_group, innobase_log_files_in_group, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Number of log files in the log group. InnoDB writes to the files in a circular fashion. Value 3 is recommended here.", - NULL, NULL, 2, 2, 100, 0); - -static MYSQL_SYSVAR_LONG(mirrored_log_groups, innobase_mirrored_log_groups, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Number of identical copies of log groups we keep for the database. Currently this should be set to 1.", - NULL, NULL, 1, 1, 10, 0); - -static MYSQL_SYSVAR_UINT(old_blocks_pct, innobase_old_blocks_pct, - PLUGIN_VAR_RQCMDARG, - "Percentage of the buffer pool to reserve for 'old' blocks.", - NULL, innodb_old_blocks_pct_update, 100 * 3 / 8, 5, 95, 0); - -static MYSQL_SYSVAR_UINT(old_blocks_time, buf_LRU_old_threshold_ms, - PLUGIN_VAR_RQCMDARG, - "Move blocks to the 'new' end of the buffer pool if the first access" - " was at least this many milliseconds ago." - " The timeout is disabled if 0 (the default).", - NULL, NULL, 0, 0, UINT_MAX32, 0); - -static MYSQL_SYSVAR_LONG(open_files, innobase_open_files, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "How many files at the maximum InnoDB keeps open at the same time.", - NULL, NULL, 300L, 10L, LONG_MAX, 0); - -static MYSQL_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds, - PLUGIN_VAR_RQCMDARG, - "Count of spin-loop rounds in InnoDB mutexes (30 by default)", - NULL, NULL, 30L, 0L, ~0L, 0); - -static MYSQL_SYSVAR_ULONG(spin_wait_delay, srv_spin_wait_delay, - PLUGIN_VAR_OPCMDARG, - "Maximum delay between polling for a spin lock (6 by default)", - NULL, NULL, 6L, 0L, ~0L, 0); - -static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency, - PLUGIN_VAR_RQCMDARG, - "Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.", - NULL, NULL, 0, 0, 1000, 0); - -static MYSQL_SYSVAR_ULONG(thread_sleep_delay, srv_thread_sleep_delay, - PLUGIN_VAR_RQCMDARG, - "Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep", - NULL, NULL, 10000L, 0L, ~0L, 0); - -static MYSQL_SYSVAR_STR(data_file_path, innobase_data_file_path, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "Path to individual files and their sizes.", - NULL, NULL, NULL); - -static MYSQL_SYSVAR_LONG(autoinc_lock_mode, innobase_autoinc_lock_mode, - PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, - "The AUTOINC lock modes supported by InnoDB: " - "0 => Old style AUTOINC locking (for backward" - " compatibility) " - "1 => New style AUTOINC locking " - "2 => No AUTOINC locking (unsafe for SBR)", - NULL, NULL, - AUTOINC_NEW_STYLE_LOCKING, /* Default setting */ - AUTOINC_OLD_STYLE_LOCKING, /* Minimum value */ - AUTOINC_NO_LOCKING, 0); /* Maximum value */ - -static MYSQL_SYSVAR_STR(version, innodb_version_str, - PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY, - "InnoDB version", NULL, NULL, INNODB_VERSION_STR); - -static MYSQL_SYSVAR_BOOL(use_sys_malloc, srv_use_sys_malloc, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, - "Use OS memory allocator instead of InnoDB's internal memory allocator", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_BOOL(use_native_aio, srv_use_native_aio, - PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY, - "Use native AIO if supported on this platform.", - NULL, NULL, TRUE); - -static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, - PLUGIN_VAR_RQCMDARG, - "Buffer changes to reduce random access: " - "OFF, ON, inserting, deleting, changing, or purging.", - innodb_change_buffering_validate, - innodb_change_buffering_update, NULL); - -static MYSQL_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold, - PLUGIN_VAR_RQCMDARG, - "Number of pages that must be accessed sequentially for InnoDB to" - "trigger a readahead.", - NULL, NULL, 56, 0, 64, 0); - -static struct st_mysql_sys_var* innobase_system_variables[]= { - MYSQL_SYSVAR(additional_mem_pool_size), - MYSQL_SYSVAR(autoextend_increment), - MYSQL_SYSVAR(buffer_pool_size), - MYSQL_SYSVAR(checksums), - MYSQL_SYSVAR(commit_concurrency), - MYSQL_SYSVAR(concurrency_tickets), - MYSQL_SYSVAR(data_file_path), - MYSQL_SYSVAR(data_home_dir), - MYSQL_SYSVAR(doublewrite), - MYSQL_SYSVAR(fast_shutdown), - MYSQL_SYSVAR(file_io_threads), - MYSQL_SYSVAR(read_io_threads), - MYSQL_SYSVAR(write_io_threads), - MYSQL_SYSVAR(file_per_table), - MYSQL_SYSVAR(file_format), - MYSQL_SYSVAR(file_format_check), - MYSQL_SYSVAR(flush_log_at_trx_commit), - MYSQL_SYSVAR(flush_method), - MYSQL_SYSVAR(force_recovery), - MYSQL_SYSVAR(locks_unsafe_for_binlog), - MYSQL_SYSVAR(lock_wait_timeout), -#ifdef UNIV_LOG_ARCHIVE - MYSQL_SYSVAR(log_arch_dir), - MYSQL_SYSVAR(log_archive), -#endif /* UNIV_LOG_ARCHIVE */ - MYSQL_SYSVAR(log_buffer_size), - MYSQL_SYSVAR(log_file_size), - MYSQL_SYSVAR(log_files_in_group), - MYSQL_SYSVAR(log_group_home_dir), - MYSQL_SYSVAR(max_dirty_pages_pct), - MYSQL_SYSVAR(adaptive_flushing), - MYSQL_SYSVAR(max_purge_lag), - MYSQL_SYSVAR(mirrored_log_groups), - MYSQL_SYSVAR(old_blocks_pct), - MYSQL_SYSVAR(old_blocks_time), - MYSQL_SYSVAR(open_files), - MYSQL_SYSVAR(rollback_on_timeout), - MYSQL_SYSVAR(stats_on_metadata), - MYSQL_SYSVAR(stats_sample_pages), - MYSQL_SYSVAR(adaptive_hash_index), - MYSQL_SYSVAR(replication_delay), - MYSQL_SYSVAR(status_file), - MYSQL_SYSVAR(strict_mode), - MYSQL_SYSVAR(support_xa), - MYSQL_SYSVAR(sync_spin_loops), - MYSQL_SYSVAR(spin_wait_delay), - MYSQL_SYSVAR(table_locks), - MYSQL_SYSVAR(thread_concurrency), - MYSQL_SYSVAR(thread_sleep_delay), - MYSQL_SYSVAR(autoinc_lock_mode), - MYSQL_SYSVAR(version), - MYSQL_SYSVAR(use_sys_malloc), - MYSQL_SYSVAR(use_native_aio), - MYSQL_SYSVAR(change_buffering), - MYSQL_SYSVAR(read_ahead_threshold), - MYSQL_SYSVAR(io_capacity), - NULL -}; - -mysql_declare_plugin(innobase) -{ - MYSQL_STORAGE_ENGINE_PLUGIN, - &innobase_storage_engine, - innobase_hton_name, - "Innobase Oy", - "Supports transactions, row-level locking, and foreign keys", - PLUGIN_LICENSE_GPL, - innobase_init, /* Plugin Init */ - NULL, /* Plugin Deinit */ - INNODB_VERSION_SHORT, - innodb_status_variables_export,/* status variables */ - innobase_system_variables, /* system variables */ - NULL /* reserved */ -}, -i_s_innodb_trx, -i_s_innodb_locks, -i_s_innodb_lock_waits, -i_s_innodb_cmp, -i_s_innodb_cmp_reset, -i_s_innodb_cmpmem, -i_s_innodb_cmpmem_reset -mysql_declare_plugin_end; - -/** @brief Initialize the default value of innodb_commit_concurrency. - -Once InnoDB is running, the innodb_commit_concurrency must not change -from zero to nonzero. (Bug #42101) - -The initial default value is 0, and without this extra initialization, -SET GLOBAL innodb_commit_concurrency=DEFAULT would set the parameter -to 0, even if it was initially set to nonzero at the command line -or configuration file. */ -static -void -innobase_commit_concurrency_init_default(void) -/*==========================================*/ -{ - MYSQL_SYSVAR_NAME(commit_concurrency).def_val - = innobase_commit_concurrency; -} - -#ifdef UNIV_COMPILE_TEST_FUNCS - -typedef struct innobase_convert_name_test_struct { - char* buf; - ulint buflen; - const char* id; - ulint idlen; - void* thd; - ibool file_id; - - const char* expected; -} innobase_convert_name_test_t; - -void -test_innobase_convert_name() -{ - char buf[1024]; - ulint i; - - innobase_convert_name_test_t test_input[] = { - {buf, sizeof(buf), "abcd", 4, NULL, TRUE, "\"abcd\""}, - {buf, 7, "abcd", 4, NULL, TRUE, "\"abcd\""}, - {buf, 6, "abcd", 4, NULL, TRUE, "\"abcd\""}, - {buf, 5, "abcd", 4, NULL, TRUE, "\"abc\""}, - {buf, 4, "abcd", 4, NULL, TRUE, "\"ab\""}, - - {buf, sizeof(buf), "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, - {buf, 9, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, - {buf, 8, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, - {buf, 7, "ab@0060cd", 9, NULL, TRUE, "\"ab`cd\""}, - {buf, 6, "ab@0060cd", 9, NULL, TRUE, "\"ab`c\""}, - {buf, 5, "ab@0060cd", 9, NULL, TRUE, "\"ab`\""}, - {buf, 4, "ab@0060cd", 9, NULL, TRUE, "\"ab\""}, - - {buf, sizeof(buf), "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\"\"cd\""}, - {buf, 17, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\"\"cd\""}, - {buf, 16, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\"\"c\""}, - {buf, 15, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\"\"\""}, - {buf, 14, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\""}, - {buf, 13, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#ab\""}, - {buf, 12, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#a\""}, - {buf, 11, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50#\""}, - {buf, 10, "ab\"cd", 5, NULL, TRUE, - "\"#mysql50\""}, - - {buf, sizeof(buf), "ab/cd", 5, NULL, TRUE, "\"ab\".\"cd\""}, - {buf, 9, "ab/cd", 5, NULL, TRUE, "\"ab\".\"cd\""}, - {buf, 8, "ab/cd", 5, NULL, TRUE, "\"ab\".\"c\""}, - {buf, 7, "ab/cd", 5, NULL, TRUE, "\"ab\".\"\""}, - {buf, 6, "ab/cd", 5, NULL, TRUE, "\"ab\"."}, - {buf, 5, "ab/cd", 5, NULL, TRUE, "\"ab\"."}, - {buf, 4, "ab/cd", 5, NULL, TRUE, "\"ab\""}, - {buf, 3, "ab/cd", 5, NULL, TRUE, "\"a\""}, - {buf, 2, "ab/cd", 5, NULL, TRUE, "\"\""}, - /* XXX probably "" is a better result in this case - {buf, 1, "ab/cd", 5, NULL, TRUE, "."}, - */ - {buf, 0, "ab/cd", 5, NULL, TRUE, ""}, - }; - - for (i = 0; i < sizeof(test_input) / sizeof(test_input[0]); i++) { - - char* end; - ibool ok = TRUE; - size_t res_len; - - fprintf(stderr, "TESTING %lu, %s, %lu, %s\n", - test_input[i].buflen, - test_input[i].id, - test_input[i].idlen, - test_input[i].expected); - - end = innobase_convert_name( - test_input[i].buf, - test_input[i].buflen, - test_input[i].id, - test_input[i].idlen, - test_input[i].thd, - test_input[i].file_id); - - res_len = (size_t) (end - test_input[i].buf); - - if (res_len != strlen(test_input[i].expected)) { - - fprintf(stderr, "unexpected len of the result: %u, " - "expected: %u\n", (unsigned) res_len, - (unsigned) strlen(test_input[i].expected)); - ok = FALSE; - } - - if (memcmp(test_input[i].buf, - test_input[i].expected, - strlen(test_input[i].expected)) != 0 - || !ok) { - - fprintf(stderr, "unexpected result: %.*s, " - "expected: %s\n", (int) res_len, - test_input[i].buf, - test_input[i].expected); - ok = FALSE; - } - - if (ok) { - fprintf(stderr, "OK: res: %.*s\n\n", (int) res_len, - buf); - } else { - fprintf(stderr, "FAILED\n\n"); - return; - } - } -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/handler/ha_innodb.h b/perfschema/handler/ha_innodb.h deleted file mode 100644 index 8a3e1ccff82..00000000000 --- a/perfschema/handler/ha_innodb.h +++ /dev/null @@ -1,326 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2000, 2010, MySQL AB & Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/* - This file is based on ha_berkeley.h of MySQL distribution - - This file defines the Innodb handler: the interface between MySQL and - Innodb -*/ - -#ifdef USE_PRAGMA_INTERFACE -#pragma interface /* gcc class implementation */ -#endif - -/* Structure defines translation table between mysql index and innodb -index structures */ -typedef struct innodb_idx_translate_struct { - ulint index_count; /*!< number of valid index entries - in the index_mapping array */ - ulint array_size; /*!< array size of index_mapping */ - dict_index_t** index_mapping; /*!< index pointer array directly - maps to index in Innodb from MySQL - array index */ -} innodb_idx_translate_t; - - -/** InnoDB table share */ -typedef struct st_innobase_share { - THR_LOCK lock; /*!< MySQL lock protecting - this structure */ - const char* table_name; /*!< InnoDB table name */ - uint use_count; /*!< reference count, - incremented in get_share() - and decremented in - free_share() */ - void* table_name_hash;/*!< hash table chain node */ - innodb_idx_translate_t idx_trans_tbl; /*!< index translation - table between MySQL and - Innodb */ -} INNOBASE_SHARE; - - -/** InnoDB B-tree index */ -struct dict_index_struct; -/** Prebuilt structures in an Innobase table handle used within MySQL */ -struct row_prebuilt_struct; - -/** InnoDB B-tree index */ -typedef struct dict_index_struct dict_index_t; -/** Prebuilt structures in an Innobase table handle used within MySQL */ -typedef struct row_prebuilt_struct row_prebuilt_t; - -/** The class defining a handle to an Innodb table */ -class ha_innobase: public handler -{ - row_prebuilt_t* prebuilt; /*!< prebuilt struct in InnoDB, used - to save CPU time with prebuilt data - structures*/ - THD* user_thd; /*!< the thread handle of the user - currently using the handle; this is - set in external_lock function */ - THR_LOCK_DATA lock; - INNOBASE_SHARE* share; /*!< information for MySQL - table locking */ - - uchar* upd_buff; /*!< buffer used in updates */ - uchar* key_val_buff; /*!< buffer used in converting - search key values from MySQL format - to Innodb format */ - ulong upd_and_key_val_buff_len; - /* the length of each of the previous - two buffers */ - Table_flags int_table_flags; - uint primary_key; - ulong start_of_scan; /*!< this is set to 1 when we are - starting a table scan but have not - yet fetched any row, else 0 */ - uint last_match_mode;/* match mode of the latest search: - ROW_SEL_EXACT, ROW_SEL_EXACT_PREFIX, - or undefined */ - uint num_write_row; /*!< number of write_row() calls */ - - uint store_key_val_for_row(uint keynr, char* buff, uint buff_len, - const uchar* record); - inline void update_thd(THD* thd); - void update_thd(); - int change_active_index(uint keynr); - int general_fetch(uchar* buf, uint direction, uint match_mode); - ulint innobase_lock_autoinc(); - ulonglong innobase_peek_autoinc(); - ulint innobase_set_max_autoinc(ulonglong auto_inc); - ulint innobase_reset_autoinc(ulonglong auto_inc); - ulint innobase_get_autoinc(ulonglong* value); - ulint innobase_update_autoinc(ulonglong auto_inc); - void innobase_initialize_autoinc(); - dict_index_t* innobase_get_index(uint keynr); - - /* Init values for the class: */ - public: - ha_innobase(handlerton *hton, TABLE_SHARE *table_arg); - ~ha_innobase(); - /* - Get the row type from the storage engine. If this method returns - ROW_TYPE_NOT_USED, the information in HA_CREATE_INFO should be used. - */ - enum row_type get_row_type() const; - - const char* table_type() const; - const char* index_type(uint key_number); - const char** bas_ext() const; - Table_flags table_flags() const; - ulong index_flags(uint idx, uint part, bool all_parts) const; - uint max_supported_keys() const; - uint max_supported_key_length() const; - uint max_supported_key_part_length() const; - const key_map* keys_to_use_for_scanning(); - - int open(const char *name, int mode, uint test_if_locked); - int close(void); - double scan_time(); - double read_time(uint index, uint ranges, ha_rows rows); - - int write_row(uchar * buf); - int update_row(const uchar * old_data, uchar * new_data); - int delete_row(const uchar * buf); - bool was_semi_consistent_read(); - void try_semi_consistent_read(bool yes); - void unlock_row(); - - int index_init(uint index, bool sorted); - int index_end(); - int index_read(uchar * buf, const uchar * key, - uint key_len, enum ha_rkey_function find_flag); - int index_read_idx(uchar * buf, uint index, const uchar * key, - uint key_len, enum ha_rkey_function find_flag); - int index_read_last(uchar * buf, const uchar * key, uint key_len); - int index_next(uchar * buf); - int index_next_same(uchar * buf, const uchar *key, uint keylen); - int index_prev(uchar * buf); - int index_first(uchar * buf); - int index_last(uchar * buf); - - int rnd_init(bool scan); - int rnd_end(); - int rnd_next(uchar *buf); - int rnd_pos(uchar * buf, uchar *pos); - - void position(const uchar *record); - int info(uint); - int analyze(THD* thd,HA_CHECK_OPT* check_opt); - int optimize(THD* thd,HA_CHECK_OPT* check_opt); - int discard_or_import_tablespace(my_bool discard); - int extra(enum ha_extra_function operation); - int reset(); - int external_lock(THD *thd, int lock_type); - int transactional_table_lock(THD *thd, int lock_type); - int start_stmt(THD *thd, thr_lock_type lock_type); - void position(uchar *record); - ha_rows records_in_range(uint inx, key_range *min_key, key_range - *max_key); - ha_rows estimate_rows_upper_bound(); - - void update_create_info(HA_CREATE_INFO* create_info); - int create(const char *name, register TABLE *form, - HA_CREATE_INFO *create_info); - int delete_all_rows(); - int delete_table(const char *name); - int rename_table(const char* from, const char* to); - int check(THD* thd, HA_CHECK_OPT* check_opt); - char* update_table_comment(const char* comment); - char* get_foreign_key_create_info(); - int get_foreign_key_list(THD *thd, List *f_key_list); - bool can_switch_engines(); - uint referenced_by_foreign_key(); - void free_foreign_key_create_info(char* str); - THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, - enum thr_lock_type lock_type); - void init_table_handle_for_HANDLER(); - virtual void get_auto_increment(ulonglong offset, ulonglong increment, - ulonglong nb_desired_values, - ulonglong *first_value, - ulonglong *nb_reserved_values); - int reset_auto_increment(ulonglong value); - - virtual bool get_error_message(int error, String *buf); - - uint8 table_cache_type(); - /* - ask handler about permission to cache table during query registration - */ - my_bool register_query_cache_table(THD *thd, char *table_key, - uint key_length, - qc_engine_callback *call_back, - ulonglong *engine_data); - static char *get_mysql_bin_log_name(); - static ulonglong get_mysql_bin_log_pos(); - bool primary_key_is_clustered(); - int cmp_ref(const uchar *ref1, const uchar *ref2); - /** Fast index creation (smart ALTER TABLE) @see handler0alter.cc @{ */ - int add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys); - int prepare_drop_index(TABLE *table_arg, uint *key_num, - uint num_of_keys); - int final_drop_index(TABLE *table_arg); - /** @} */ - bool check_if_incompatible_data(HA_CREATE_INFO *info, - uint table_changes); -}; - -/* Some accessor functions which the InnoDB plugin needs, but which -can not be added to mysql/plugin.h as part of the public interface; -the definitions are bracketed with #ifdef INNODB_COMPATIBILITY_HOOKS */ - -#ifndef INNODB_COMPATIBILITY_HOOKS -#error InnoDB needs MySQL to be built with #define INNODB_COMPATIBILITY_HOOKS -#endif - -extern "C" { -struct charset_info_st *thd_charset(MYSQL_THD thd); -char **thd_query(MYSQL_THD thd); - -/** Get the file name of the MySQL binlog. - * @return the name of the binlog file - */ -const char* mysql_bin_log_file_name(void); - -/** Get the current position of the MySQL binlog. - * @return byte offset from the beginning of the binlog - */ -ulonglong mysql_bin_log_file_pos(void); - -/** - Check if a user thread is a replication slave thread - @param thd user thread - @retval 0 the user thread is not a replication slave thread - @retval 1 the user thread is a replication slave thread -*/ -int thd_slave_thread(const MYSQL_THD thd); - -/** - Check if a user thread is running a non-transactional update - @param thd user thread - @retval 0 the user thread is not running a non-transactional update - @retval 1 the user thread is running a non-transactional update -*/ -int thd_non_transactional_update(const MYSQL_THD thd); - -/** - Get the user thread's binary logging format - @param thd user thread - @return Value to be used as index into the binlog_format_names array -*/ -int thd_binlog_format(const MYSQL_THD thd); - -/** - Mark transaction to rollback and mark error as fatal to a sub-statement. - @param thd Thread handle - @param all TRUE <=> rollback main transaction. -*/ -void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all); - -#if MYSQL_VERSION_ID > 50140 -/** - Check if binary logging is filtered for thread's current db. - @param thd Thread handle - @retval 1 the query is not filtered, 0 otherwise. -*/ -bool thd_binlog_filter_ok(const MYSQL_THD thd); -#endif /* MYSQL_VERSION_ID > 50140 */ -} - -typedef struct trx_struct trx_t; -/********************************************************************//** -@file handler/ha_innodb.h -Converts an InnoDB error code to a MySQL error code and also tells to MySQL -about a possible transaction rollback inside InnoDB caused by a lock wait -timeout or a deadlock. -@return MySQL error code */ -extern "C" -int -convert_error_code_to_mysql( -/*========================*/ - int error, /*!< in: InnoDB error code */ - ulint flags, /*!< in: InnoDB table flags, or 0 */ - MYSQL_THD thd); /*!< in: user thread handle or NULL */ - -/*********************************************************************//** -Allocates an InnoDB transaction for a MySQL handler object. -@return InnoDB transaction handle */ -extern "C" -trx_t* -innobase_trx_allocate( -/*==================*/ - MYSQL_THD thd); /*!< in: user thread handle */ - - -/*********************************************************************//** -This function checks each index name for a table against reserved -system default primary index name 'GEN_CLUST_INDEX'. If a name -matches, this function pushes an warning message to the client, -and returns true. */ -extern "C" -bool -innobase_index_name_is_reserved( -/*============================*/ - /* out: true if the index name - matches the reserved name */ - const trx_t* trx, /* in: InnoDB transaction handle */ - const KEY* key_info, /* in: Indexes to be created */ - ulint num_of_keys); /* in: Number of indexes to - be created. */ - diff --git a/perfschema/handler/handler0alter.cc b/perfschema/handler/handler0alter.cc deleted file mode 100644 index 071253d2dae..00000000000 --- a/perfschema/handler/handler0alter.cc +++ /dev/null @@ -1,1234 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file handler/handler0alter.cc -Smart ALTER TABLE -*******************************************************/ - -#include -#include - -extern "C" { -#include "log0log.h" -#include "row0merge.h" -#include "srv0srv.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "ha_prototypes.h" -#include "handler0alter.h" -} - -#include "ha_innodb.h" - -/*************************************************************//** -Copies an InnoDB column to a MySQL field. This function is -adapted from row_sel_field_store_in_mysql_format(). */ -static -void -innobase_col_to_mysql( -/*==================*/ - const dict_col_t* col, /*!< in: InnoDB column */ - const uchar* data, /*!< in: InnoDB column data */ - ulint len, /*!< in: length of data, in bytes */ - Field* field) /*!< in/out: MySQL field */ -{ - uchar* ptr; - uchar* dest = field->ptr; - ulint flen = field->pack_length(); - - switch (col->mtype) { - case DATA_INT: - ut_ad(len == flen); - - /* Convert integer data from Innobase to little-endian - format, sign bit restored to normal */ - - for (ptr = dest + len; ptr != dest; ) { - *--ptr = *data++; - } - - if (!(field->flags & UNSIGNED_FLAG)) { - ((byte*) dest)[len - 1] ^= 0x80; - } - - break; - - case DATA_VARCHAR: - case DATA_VARMYSQL: - case DATA_BINARY: - field->reset(); - - if (field->type() == MYSQL_TYPE_VARCHAR) { - /* This is a >= 5.0.3 type true VARCHAR. Store the - length of the data to the first byte or the first - two bytes of dest. */ - - dest = row_mysql_store_true_var_len( - dest, len, flen - field->key_length()); - } - - /* Copy the actual data */ - memcpy(dest, data, len); - break; - - case DATA_BLOB: - /* Store a pointer to the BLOB buffer to dest: the BLOB was - already copied to the buffer in row_sel_store_mysql_rec */ - - row_mysql_store_blob_ref(dest, flen, data, len); - break; - -#ifdef UNIV_DEBUG - case DATA_MYSQL: - ut_ad(flen >= len); - ut_ad(col->mbmaxlen >= col->mbminlen); - ut_ad(col->mbmaxlen > col->mbminlen || flen == len); - memcpy(dest, data, len); - break; - - default: - case DATA_SYS_CHILD: - case DATA_SYS: - /* These column types should never be shipped to MySQL. */ - ut_ad(0); - - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_FLOAT: - case DATA_DOUBLE: - case DATA_DECIMAL: - /* Above are the valid column types for MySQL data. */ - ut_ad(flen == len); -#else /* UNIV_DEBUG */ - default: -#endif /* UNIV_DEBUG */ - memcpy(dest, data, len); - } -} - -/*************************************************************//** -Copies an InnoDB record to table->record[0]. */ -extern "C" UNIV_INTERN -void -innobase_rec_to_mysql( -/*==================*/ - TABLE* table, /*!< in/out: MySQL table */ - const rec_t* rec, /*!< in: record */ - const dict_index_t* index, /*!< in: index */ - const ulint* offsets) /*!< in: rec_get_offsets( - rec, index, ...) */ -{ - uint n_fields = table->s->fields; - uint i; - - ut_ad(n_fields == dict_table_get_n_user_cols(index->table)); - - for (i = 0; i < n_fields; i++) { - Field* field = table->field[i]; - ulint ipos; - ulint ilen; - const uchar* ifield; - - field->reset(); - - ipos = dict_index_get_nth_col_pos(index, i); - - if (UNIV_UNLIKELY(ipos == ULINT_UNDEFINED)) { -null_field: - field->set_null(); - continue; - } - - ifield = rec_get_nth_field(rec, offsets, ipos, &ilen); - - /* Assign the NULL flag */ - if (ilen == UNIV_SQL_NULL) { - ut_ad(field->real_maybe_null()); - goto null_field; - } - - field->set_notnull(); - - innobase_col_to_mysql( - dict_field_get_col( - dict_index_get_nth_field(index, ipos)), - ifield, ilen, field); - } -} - -/*************************************************************//** -Resets table->record[0]. */ -extern "C" UNIV_INTERN -void -innobase_rec_reset( -/*===============*/ - TABLE* table) /*!< in/out: MySQL table */ -{ - uint n_fields = table->s->fields; - uint i; - - for (i = 0; i < n_fields; i++) { - table->field[i]->set_default(); - } -} - -/******************************************************************//** -Removes the filename encoding of a database and table name. */ -static -void -innobase_convert_tablename( -/*=======================*/ - char* s) /*!< in: identifier; out: decoded identifier */ -{ - uint errors; - - char* slash = strchr(s, '/'); - - if (slash) { - char* t; - /* Temporarily replace the '/' with NUL. */ - *slash = 0; - /* Convert the database name. */ - strconvert(&my_charset_filename, s, system_charset_info, - s, slash - s + 1, &errors); - - t = s + strlen(s); - ut_ad(slash >= t); - /* Append a '.' after the database name. */ - *t++ = '.'; - slash++; - /* Convert the table name. */ - strconvert(&my_charset_filename, slash, system_charset_info, - t, slash - t + strlen(slash), &errors); - } else { - strconvert(&my_charset_filename, s, - system_charset_info, s, strlen(s), &errors); - } -} - -/*******************************************************************//** -This function checks that index keys are sensible. -@return 0 or error number */ -static -int -innobase_check_index_keys( -/*======================*/ - const KEY* key_info, /*!< in: Indexes to be - created */ - ulint num_of_keys, /*!< in: Number of - indexes to be created */ - const dict_table_t* table) /*!< in: Existing indexes */ -{ - ulint key_num; - - ut_ad(key_info); - ut_ad(num_of_keys); - - for (key_num = 0; key_num < num_of_keys; key_num++) { - const KEY& key = key_info[key_num]; - - /* Check that the same index name does not appear - twice in indexes to be created. */ - - for (ulint i = 0; i < key_num; i++) { - const KEY& key2 = key_info[i]; - - if (0 == strcmp(key.name, key2.name)) { - my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), - key.name); - - return(ER_WRONG_NAME_FOR_INDEX); - } - } - - /* Check that the same index name does not already exist. */ - - for (const dict_index_t* index - = dict_table_get_first_index(table); - index; index = dict_table_get_next_index(index)) { - - if (0 == strcmp(key.name, index->name)) { - my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), - key.name); - - return(ER_WRONG_NAME_FOR_INDEX); - } - } - - /* Check that MySQL does not try to create a column - prefix index field on an inappropriate data type and - that the same column does not appear twice in the index. */ - - for (ulint i = 0; i < key.key_parts; i++) { - const KEY_PART_INFO& key_part1 - = key.key_part[i]; - const Field* field - = key_part1.field; - ibool is_unsigned; - - switch (get_innobase_type_from_mysql_type( - &is_unsigned, field)) { - default: - break; - case DATA_INT: - case DATA_FLOAT: - case DATA_DOUBLE: - case DATA_DECIMAL: - if (field->type() == MYSQL_TYPE_VARCHAR) { - if (key_part1.length - >= field->pack_length() - - ((Field_varstring*) field) - ->length_bytes) { - break; - } - } else { - if (key_part1.length - >= field->pack_length()) { - break; - } - } - - my_error(ER_WRONG_KEY_COLUMN, MYF(0), - field->field_name); - return(ER_WRONG_KEY_COLUMN); - } - - for (ulint j = 0; j < i; j++) { - const KEY_PART_INFO& key_part2 - = key.key_part[j]; - - if (strcmp(key_part1.field->field_name, - key_part2.field->field_name)) { - continue; - } - - my_error(ER_WRONG_KEY_COLUMN, MYF(0), - key_part1.field->field_name); - return(ER_WRONG_KEY_COLUMN); - } - } - } - - return(0); -} - -/*******************************************************************//** -Create index field definition for key part */ -static -void -innobase_create_index_field_def( -/*============================*/ - KEY_PART_INFO* key_part, /*!< in: MySQL key definition */ - mem_heap_t* heap, /*!< in: memory heap */ - merge_index_field_t* index_field) /*!< out: index field - definition for key_part */ -{ - Field* field; - ibool is_unsigned; - ulint col_type; - - DBUG_ENTER("innobase_create_index_field_def"); - - ut_ad(key_part); - ut_ad(index_field); - - field = key_part->field; - ut_a(field); - - col_type = get_innobase_type_from_mysql_type(&is_unsigned, field); - - if (DATA_BLOB == col_type - || (key_part->length < field->pack_length() - && field->type() != MYSQL_TYPE_VARCHAR) - || (field->type() == MYSQL_TYPE_VARCHAR - && key_part->length < field->pack_length() - - ((Field_varstring*)field)->length_bytes)) { - - index_field->prefix_len = key_part->length; - } else { - index_field->prefix_len = 0; - } - - index_field->field_name = mem_heap_strdup(heap, field->field_name); - - DBUG_VOID_RETURN; -} - -/*******************************************************************//** -Create index definition for key */ -static -void -innobase_create_index_def( -/*======================*/ - KEY* key, /*!< in: key definition */ - bool new_primary, /*!< in: TRUE=generating - a new primary key - on the table */ - bool key_primary, /*!< in: TRUE if this key - is a primary key */ - merge_index_def_t* index, /*!< out: index definition */ - mem_heap_t* heap) /*!< in: heap where memory - is allocated */ -{ - ulint i; - ulint len; - ulint n_fields = key->key_parts; - char* index_name; - - DBUG_ENTER("innobase_create_index_def"); - - index->fields = (merge_index_field_t*) mem_heap_alloc( - heap, n_fields * sizeof *index->fields); - - index->ind_type = 0; - index->n_fields = n_fields; - len = strlen(key->name) + 1; - index->name = index_name = (char*) mem_heap_alloc(heap, - len + !new_primary); - - if (UNIV_LIKELY(!new_primary)) { - *index_name++ = TEMP_INDEX_PREFIX; - } - - memcpy(index_name, key->name, len); - - if (key->flags & HA_NOSAME) { - index->ind_type |= DICT_UNIQUE; - } - - if (key_primary) { - index->ind_type |= DICT_CLUSTERED; - } - - for (i = 0; i < n_fields; i++) { - innobase_create_index_field_def(&key->key_part[i], heap, - &index->fields[i]); - } - - DBUG_VOID_RETURN; -} - -/*******************************************************************//** -Copy index field definition */ -static -void -innobase_copy_index_field_def( -/*==========================*/ - const dict_field_t* field, /*!< in: definition to copy */ - merge_index_field_t* index_field) /*!< out: copied definition */ -{ - DBUG_ENTER("innobase_copy_index_field_def"); - DBUG_ASSERT(field != NULL); - DBUG_ASSERT(index_field != NULL); - - index_field->field_name = field->name; - index_field->prefix_len = field->prefix_len; - - DBUG_VOID_RETURN; -} - -/*******************************************************************//** -Copy index definition for the index */ -static -void -innobase_copy_index_def( -/*====================*/ - const dict_index_t* index, /*!< in: index definition to copy */ - merge_index_def_t* new_index,/*!< out: Index definition */ - mem_heap_t* heap) /*!< in: heap where allocated */ -{ - ulint n_fields; - ulint i; - - DBUG_ENTER("innobase_copy_index_def"); - - /* Note that we take only those fields that user defined to be - in the index. In the internal representation more colums were - added and those colums are not copied .*/ - - n_fields = index->n_user_defined_cols; - - new_index->fields = (merge_index_field_t*) mem_heap_alloc( - heap, n_fields * sizeof *new_index->fields); - - /* When adding a PRIMARY KEY, we may convert a previous - clustered index to a secondary index (UNIQUE NOT NULL). */ - new_index->ind_type = index->type & ~DICT_CLUSTERED; - new_index->n_fields = n_fields; - new_index->name = index->name; - - for (i = 0; i < n_fields; i++) { - innobase_copy_index_field_def(&index->fields[i], - &new_index->fields[i]); - } - - DBUG_VOID_RETURN; -} - -/*******************************************************************//** -Create an index table where indexes are ordered as follows: - -IF a new primary key is defined for the table THEN - - 1) New primary key - 2) Original secondary indexes - 3) New secondary indexes - -ELSE - - 1) All new indexes in the order they arrive from MySQL - -ENDIF - - -@return key definitions or NULL */ -static -merge_index_def_t* -innobase_create_key_def( -/*====================*/ - trx_t* trx, /*!< in: trx */ - const dict_table_t*table, /*!< in: table definition */ - mem_heap_t* heap, /*!< in: heap where space for key - definitions are allocated */ - KEY* key_info, /*!< in: Indexes to be created */ - ulint& n_keys) /*!< in/out: Number of indexes to - be created */ -{ - ulint i = 0; - merge_index_def_t* indexdef; - merge_index_def_t* indexdefs; - bool new_primary; - - DBUG_ENTER("innobase_create_key_def"); - - indexdef = indexdefs = (merge_index_def_t*) - mem_heap_alloc(heap, sizeof *indexdef - * (n_keys + UT_LIST_GET_LEN(table->indexes))); - - /* If there is a primary key, it is always the first index - defined for the table. */ - - new_primary = !my_strcasecmp(system_charset_info, - key_info->name, "PRIMARY"); - - /* If there is a UNIQUE INDEX consisting entirely of NOT NULL - columns and if the index does not contain column prefix(es) - (only prefix/part of the column is indexed), MySQL will treat the - index as a PRIMARY KEY unless the table already has one. */ - - if (!new_primary && (key_info->flags & HA_NOSAME) - && (!(key_info->flags & HA_KEY_HAS_PART_KEY_SEG)) - && row_table_got_default_clust_index(table)) { - uint key_part = key_info->key_parts; - - new_primary = TRUE; - - while (key_part--) { - if (key_info->key_part[key_part].key_type - & FIELDFLAG_MAYBE_NULL) { - new_primary = FALSE; - break; - } - } - } - - if (new_primary) { - const dict_index_t* index; - - /* Create the PRIMARY key index definition */ - innobase_create_index_def(&key_info[i++], TRUE, TRUE, - indexdef++, heap); - - row_mysql_lock_data_dictionary(trx); - - index = dict_table_get_first_index(table); - - /* Copy the index definitions of the old table. Skip - the old clustered index if it is a generated clustered - index or a PRIMARY KEY. If the clustered index is a - UNIQUE INDEX, it must be converted to a secondary index. */ - - if (dict_index_get_nth_col(index, 0)->mtype == DATA_SYS - || !my_strcasecmp(system_charset_info, - index->name, "PRIMARY")) { - index = dict_table_get_next_index(index); - } - - while (index) { - innobase_copy_index_def(index, indexdef++, heap); - index = dict_table_get_next_index(index); - } - - row_mysql_unlock_data_dictionary(trx); - } - - /* Create definitions for added secondary indexes. */ - - while (i < n_keys) { - innobase_create_index_def(&key_info[i++], new_primary, FALSE, - indexdef++, heap); - } - - n_keys = indexdef - indexdefs; - - DBUG_RETURN(indexdefs); -} - -/*******************************************************************//** -Create a temporary tablename using query id, thread id, and id -@return temporary tablename */ -static -char* -innobase_create_temporary_tablename( -/*================================*/ - mem_heap_t* heap, /*!< in: memory heap */ - char id, /*!< in: identifier [0-9a-zA-Z] */ - const char* table_name) /*!< in: table name */ -{ - char* name; - ulint len; - static const char suffix[] = "@0023 "; /* "# " */ - - len = strlen(table_name); - - name = (char*) mem_heap_alloc(heap, len + sizeof suffix); - memcpy(name, table_name, len); - memcpy(name + len, suffix, sizeof suffix); - name[len + (sizeof suffix - 2)] = id; - - return(name); -} - -/*******************************************************************//** -Create indexes. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::add_index( -/*===================*/ - TABLE* table, /*!< in: Table where indexes are created */ - KEY* key_info, /*!< in: Indexes to be created */ - uint num_of_keys) /*!< in: Number of indexes to be created */ -{ - dict_index_t** index; /*!< Index to be created */ - dict_table_t* innodb_table; /*!< InnoDB table in dictionary */ - dict_table_t* indexed_table; /*!< Table where indexes are created */ - merge_index_def_t* index_defs; /*!< Index definitions */ - mem_heap_t* heap; /*!< Heap for index definitions */ - trx_t* trx; /*!< Transaction */ - ulint num_of_idx; - ulint num_created = 0; - ibool dict_locked = FALSE; - ulint new_primary; - int error; - - DBUG_ENTER("ha_innobase::add_index"); - ut_a(table); - ut_a(key_info); - ut_a(num_of_keys); - - if (srv_created_new_raw || srv_force_recovery) { - DBUG_RETURN(HA_ERR_WRONG_COMMAND); - } - - update_thd(); - - heap = mem_heap_create(1024); - - /* In case MySQL calls this in the middle of a SELECT query, release - possible adaptive hash latch to avoid deadlocks of threads. */ - trx_search_latch_release_if_reserved(prebuilt->trx); - trx_start_if_not_started(prebuilt->trx); - - /* Create a background transaction for the operations on - the data dictionary tables. */ - trx = innobase_trx_allocate(user_thd); - trx_start_if_not_started(trx); - - innodb_table = indexed_table - = dict_table_get(prebuilt->table->name, FALSE); - - if (UNIV_UNLIKELY(!innodb_table)) { - error = HA_ERR_NO_SUCH_TABLE; - goto err_exit; - } - - /* Check if the index name is reserved. */ - if (innobase_index_name_is_reserved(trx, key_info, num_of_keys)) { - error = -1; - } else { - /* Check that index keys are sensible */ - error = innobase_check_index_keys(key_info, num_of_keys, - innodb_table); - } - - if (UNIV_UNLIKELY(error)) { -err_exit: - mem_heap_free(heap); - trx_general_rollback_for_mysql(trx, NULL); - trx_free_for_mysql(trx); - trx_commit_for_mysql(prebuilt->trx); - DBUG_RETURN(error); - } - - /* Create table containing all indexes to be built in this - alter table add index so that they are in the correct order - in the table. */ - - num_of_idx = num_of_keys; - - index_defs = innobase_create_key_def( - trx, innodb_table, heap, key_info, num_of_idx); - - new_primary = DICT_CLUSTERED & index_defs[0].ind_type; - - /* Allocate memory for dictionary index definitions */ - - index = (dict_index_t**) mem_heap_alloc( - heap, num_of_idx * sizeof *index); - - /* Flag this transaction as a dictionary operation, so that - the data dictionary will be locked in crash recovery. */ - trx_set_dict_operation(trx, TRX_DICT_OP_INDEX); - - /* Acquire a lock on the table before creating any indexes. */ - error = row_merge_lock_table(prebuilt->trx, innodb_table, - new_primary ? LOCK_X : LOCK_S); - - if (UNIV_UNLIKELY(error != DB_SUCCESS)) { - - goto error_handling; - } - - /* Latch the InnoDB data dictionary exclusively so that no deadlocks - or lock waits can happen in it during an index create operation. */ - - row_mysql_lock_data_dictionary(trx); - dict_locked = TRUE; - - /* If a new primary key is defined for the table we need - to drop the original table and rebuild all indexes. */ - - if (UNIV_UNLIKELY(new_primary)) { - /* This transaction should be the only one - operating on the table. */ - ut_a(innodb_table->n_mysql_handles_opened == 1); - - char* new_table_name = innobase_create_temporary_tablename( - heap, '1', innodb_table->name); - - /* Clone the table. */ - trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - indexed_table = row_merge_create_temporary_table( - new_table_name, index_defs, innodb_table, trx); - - if (!indexed_table) { - - switch (trx->error_state) { - case DB_TABLESPACE_ALREADY_EXISTS: - case DB_DUPLICATE_KEY: - innobase_convert_tablename(new_table_name); - my_error(HA_ERR_TABLE_EXIST, MYF(0), - new_table_name); - error = HA_ERR_TABLE_EXIST; - break; - default: - error = convert_error_code_to_mysql( - trx->error_state, innodb_table->flags, - user_thd); - } - - row_mysql_unlock_data_dictionary(trx); - goto err_exit; - } - - trx->table_id = indexed_table->id; - } - - /* Create the indexes in SYS_INDEXES and load into dictionary. */ - - for (ulint i = 0; i < num_of_idx; i++) { - - index[i] = row_merge_create_index(trx, indexed_table, - &index_defs[i]); - - if (!index[i]) { - error = trx->error_state; - goto error_handling; - } - - num_created++; - } - - ut_ad(error == DB_SUCCESS); - - /* We will need to rebuild index translation table. Set - valid index entry count in the translation table to zero */ - share->idx_trans_tbl.index_count = 0; - - /* Commit the data dictionary transaction in order to release - the table locks on the system tables. This means that if - MySQL crashes while creating a new primary key inside - row_merge_build_indexes(), indexed_table will not be dropped - by trx_rollback_active(). It will have to be recovered or - dropped by the database administrator. */ - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - dict_locked = FALSE; - - ut_a(trx->n_active_thrs == 0); - ut_a(UT_LIST_GET_LEN(trx->signals) == 0); - - if (UNIV_UNLIKELY(new_primary)) { - /* A primary key is to be built. Acquire an exclusive - table lock also on the table that is being created. */ - ut_ad(indexed_table != innodb_table); - - error = row_merge_lock_table(prebuilt->trx, indexed_table, - LOCK_X); - - if (UNIV_UNLIKELY(error != DB_SUCCESS)) { - - goto error_handling; - } - } - - /* Read the clustered index of the table and build indexes - based on this information using temporary files and merge sort. */ - error = row_merge_build_indexes(prebuilt->trx, - innodb_table, indexed_table, - index, num_of_idx, table); - -error_handling: - /* After an error, remove all those index definitions from the - dictionary which were defined. */ - - switch (error) { - const char* old_name; - char* tmp_name; - case DB_SUCCESS: - ut_a(!dict_locked); - row_mysql_lock_data_dictionary(trx); - dict_locked = TRUE; - - ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); - - if (!new_primary) { - error = row_merge_rename_indexes(trx, indexed_table); - - if (error != DB_SUCCESS) { - row_merge_drop_indexes(trx, indexed_table, - index, num_created); - } - - goto convert_error; - } - - /* If a new primary key was defined for the table and - there was no error at this point, we can now rename - the old table as a temporary table, rename the new - temporary table as the old table and drop the old table. */ - old_name = innodb_table->name; - tmp_name = innobase_create_temporary_tablename(heap, '2', - old_name); - - error = row_merge_rename_tables(innodb_table, indexed_table, - tmp_name, trx); - - if (error != DB_SUCCESS) { - - row_merge_drop_table(trx, indexed_table); - - switch (error) { - case DB_TABLESPACE_ALREADY_EXISTS: - case DB_DUPLICATE_KEY: - innobase_convert_tablename(tmp_name); - my_error(HA_ERR_TABLE_EXIST, MYF(0), tmp_name); - error = HA_ERR_TABLE_EXIST; - break; - default: - goto convert_error; - } - break; - } - - trx_commit_for_mysql(prebuilt->trx); - row_prebuilt_free(prebuilt, TRUE); - prebuilt = row_create_prebuilt(indexed_table); - - indexed_table->n_mysql_handles_opened++; - - error = row_merge_drop_table(trx, innodb_table); - innodb_table = indexed_table; - goto convert_error; - - case DB_TOO_BIG_RECORD: - my_error(HA_ERR_TO_BIG_ROW, MYF(0)); - goto error; - case DB_PRIMARY_KEY_IS_NULL: - my_error(ER_PRIMARY_CANT_HAVE_NULL, MYF(0)); - /* fall through */ - case DB_DUPLICATE_KEY: -error: - prebuilt->trx->error_info = NULL; - /* fall through */ - default: - if (new_primary) { - if (indexed_table != innodb_table) { - row_merge_drop_table(trx, indexed_table); - } - } else { - if (!dict_locked) { - row_mysql_lock_data_dictionary(trx); - dict_locked = TRUE; - } - - row_merge_drop_indexes(trx, indexed_table, - index, num_created); - } - -convert_error: - error = convert_error_code_to_mysql(error, - innodb_table->flags, - user_thd); - } - - mem_heap_free(heap); - trx_commit_for_mysql(trx); - if (prebuilt->trx) { - trx_commit_for_mysql(prebuilt->trx); - } - - if (dict_locked) { - row_mysql_unlock_data_dictionary(trx); - } - - trx_free_for_mysql(trx); - - /* There might be work for utility threads.*/ - srv_active_wake_master_thread(); - - DBUG_RETURN(error); -} - -/*******************************************************************//** -Prepare to drop some indexes of a table. -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::prepare_drop_index( -/*============================*/ - TABLE* table, /*!< in: Table where indexes are dropped */ - uint* key_num, /*!< in: Key nums to be dropped */ - uint num_of_keys) /*!< in: Number of keys to be dropped */ -{ - trx_t* trx; - int err = 0; - uint n_key; - - DBUG_ENTER("ha_innobase::prepare_drop_index"); - ut_ad(table); - ut_ad(key_num); - ut_ad(num_of_keys); - if (srv_created_new_raw || srv_force_recovery) { - DBUG_RETURN(HA_ERR_WRONG_COMMAND); - } - - update_thd(); - - trx_search_latch_release_if_reserved(prebuilt->trx); - trx = prebuilt->trx; - - /* Test and mark all the indexes to be dropped */ - - row_mysql_lock_data_dictionary(trx); - - /* Check that none of the indexes have previously been flagged - for deletion. */ - { - const dict_index_t* index - = dict_table_get_first_index(prebuilt->table); - do { - ut_a(!index->to_be_dropped); - index = dict_table_get_next_index(index); - } while (index); - } - - for (n_key = 0; n_key < num_of_keys; n_key++) { - const KEY* key; - dict_index_t* index; - - key = table->key_info + key_num[n_key]; - index = dict_table_get_index_on_name_and_min_id( - prebuilt->table, key->name); - - if (!index) { - sql_print_error("InnoDB could not find key n:o %u " - "with name %s for table %s", - key_num[n_key], - key ? key->name : "NULL", - prebuilt->table->name); - - err = HA_ERR_KEY_NOT_FOUND; - goto func_exit; - } - - /* Refuse to drop the clustered index. It would be - better to automatically generate a clustered index, - but mysql_alter_table() will call this method only - after ha_innobase::add_index(). */ - - if (dict_index_is_clust(index)) { - my_error(ER_REQUIRES_PRIMARY_KEY, MYF(0)); - err = -1; - goto func_exit; - } - - index->to_be_dropped = TRUE; - } - - /* If FOREIGN_KEY_CHECK = 1 you may not drop an index defined - for a foreign key constraint because InnoDB requires that both - tables contain indexes for the constraint. Note that CREATE - INDEX id ON table does a CREATE INDEX and DROP INDEX, and we - can ignore here foreign keys because a new index for the - foreign key has already been created. - - We check for the foreign key constraints after marking the - candidate indexes for deletion, because when we check for an - equivalent foreign index we don't want to select an index that - is later deleted. */ - - if (trx->check_foreigns - && thd_sql_command(user_thd) != SQLCOM_CREATE_INDEX) { - dict_index_t* index; - - for (index = dict_table_get_first_index(prebuilt->table); - index; - index = dict_table_get_next_index(index)) { - dict_foreign_t* foreign; - - if (!index->to_be_dropped) { - - continue; - } - - /* Check if the index is referenced. */ - foreign = dict_table_get_referenced_constraint( - prebuilt->table, index); - - if (foreign) { -index_needed: - trx_set_detailed_error( - trx, - "Index needed in foreign key " - "constraint"); - - trx->error_info = index; - - err = HA_ERR_DROP_INDEX_FK; - break; - } else { - /* Check if this index references some - other table */ - foreign = dict_table_get_foreign_constraint( - prebuilt->table, index); - - if (foreign) { - ut_a(foreign->foreign_index == index); - - /* Search for an equivalent index that - the foreign key constraint could use - if this index were to be deleted. */ - if (!dict_foreign_find_equiv_index( - foreign)) { - - goto index_needed; - } - } - } - } - } else if (thd_sql_command(user_thd) == SQLCOM_CREATE_INDEX) { - /* This is a drop of a foreign key constraint index that - was created by MySQL when the constraint was added. MySQL - does this when the user creates an index explicitly which - can be used in place of the automatically generated index. */ - - dict_index_t* index; - - for (index = dict_table_get_first_index(prebuilt->table); - index; - index = dict_table_get_next_index(index)) { - dict_foreign_t* foreign; - - if (!index->to_be_dropped) { - - continue; - } - - /* Check if this index references some other table */ - foreign = dict_table_get_foreign_constraint( - prebuilt->table, index); - - if (foreign == NULL) { - - continue; - } - - ut_a(foreign->foreign_index == index); - - /* Search for an equivalent index that the - foreign key constraint could use if this index - were to be deleted. */ - - if (!dict_foreign_find_equiv_index(foreign)) { - trx_set_detailed_error( - trx, - "Index needed in foreign key " - "constraint"); - - trx->error_info = foreign->foreign_index; - - err = HA_ERR_DROP_INDEX_FK; - break; - } - } - } - -func_exit: - if (err) { - /* Undo our changes since there was some sort of error. */ - dict_index_t* index - = dict_table_get_first_index(prebuilt->table); - - do { - index->to_be_dropped = FALSE; - index = dict_table_get_next_index(index); - } while (index); - } - - row_mysql_unlock_data_dictionary(trx); - - DBUG_RETURN(err); -} - -/*******************************************************************//** -Drop the indexes that were passed to a successful prepare_drop_index(). -@return 0 or error number */ -UNIV_INTERN -int -ha_innobase::final_drop_index( -/*==========================*/ - TABLE* table) /*!< in: Table where indexes are dropped */ -{ - dict_index_t* index; /*!< Index to be dropped */ - trx_t* trx; /*!< Transaction */ - int err; - - DBUG_ENTER("ha_innobase::final_drop_index"); - ut_ad(table); - - if (srv_created_new_raw || srv_force_recovery) { - DBUG_RETURN(HA_ERR_WRONG_COMMAND); - } - - update_thd(); - - trx_search_latch_release_if_reserved(prebuilt->trx); - trx_start_if_not_started(prebuilt->trx); - - /* Create a background transaction for the operations on - the data dictionary tables. */ - trx = innobase_trx_allocate(user_thd); - trx_start_if_not_started(trx); - - /* Flag this transaction as a dictionary operation, so that - the data dictionary will be locked in crash recovery. */ - trx_set_dict_operation(trx, TRX_DICT_OP_INDEX); - - /* Lock the table exclusively, to ensure that no active - transaction depends on an index that is being dropped. */ - err = convert_error_code_to_mysql( - row_merge_lock_table(prebuilt->trx, prebuilt->table, LOCK_X), - prebuilt->table->flags, user_thd); - - row_mysql_lock_data_dictionary(trx); - - if (UNIV_UNLIKELY(err)) { - - /* Unmark the indexes to be dropped. */ - for (index = dict_table_get_first_index(prebuilt->table); - index; index = dict_table_get_next_index(index)) { - - index->to_be_dropped = FALSE; - } - - goto func_exit; - } - - /* Drop indexes marked to be dropped */ - - index = dict_table_get_first_index(prebuilt->table); - - while (index) { - dict_index_t* next_index; - - next_index = dict_table_get_next_index(index); - - if (index->to_be_dropped) { - - row_merge_drop_index(index, prebuilt->table, trx); - } - - index = next_index; - } - - /* Check that all flagged indexes were dropped. */ - for (index = dict_table_get_first_index(prebuilt->table); - index; index = dict_table_get_next_index(index)) { - ut_a(!index->to_be_dropped); - } - - /* We will need to rebuild index translation table. Set - valid index entry count in the translation table to zero */ - share->idx_trans_tbl.index_count = 0; - - ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); - -func_exit: - trx_commit_for_mysql(trx); - trx_commit_for_mysql(prebuilt->trx); - row_mysql_unlock_data_dictionary(trx); - - /* Flush the log to reduce probability that the .frm files and - the InnoDB data dictionary get out-of-sync if the user runs - with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - - trx_free_for_mysql(trx); - - /* Tell the InnoDB server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - DBUG_RETURN(err); -} diff --git a/perfschema/handler/i_s.cc b/perfschema/handler/i_s.cc deleted file mode 100644 index 524fe696de2..00000000000 --- a/perfschema/handler/i_s.cc +++ /dev/null @@ -1,1578 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file handler/i_s.cc -InnoDB INFORMATION SCHEMA tables interface to MySQL. - -Created July 18, 2007 Vasil Dimov -*******************************************************/ - -#include -#include - -#include -#include -#include -#include -#include -#include "i_s.h" -#include - -extern "C" { -#include "trx0i_s.h" -#include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */ -#include "buf0buddy.h" /* for i_s_cmpmem */ -#include "buf0buf.h" /* for buf_pool and PAGE_ZIP_MIN_SIZE */ -#include "ha_prototypes.h" /* for innobase_convert_name() */ -#include "srv0start.h" /* for srv_was_started */ -} - -static const char plugin_author[] = "Innobase Oy"; - -#define OK(expr) \ - if ((expr) != 0) { \ - DBUG_RETURN(1); \ - } - -#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \ -do { \ - if (!srv_was_started) { \ - push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, \ - ER_CANT_FIND_SYSTEM_REC, \ - "InnoDB: SELECTing from " \ - "INFORMATION_SCHEMA.%s but " \ - "the InnoDB storage engine " \ - "is not installed", plugin_name); \ - DBUG_RETURN(0); \ - } \ -} while (0) - -#if !defined __STRICT_ANSI__ && defined __GNUC__ && (__GNUC__) > 2 && !defined __INTEL_COMPILER -#define STRUCT_FLD(name, value) name: value -#else -#define STRUCT_FLD(name, value) value -#endif - -/* Don't use a static const variable here, as some C++ compilers (notably -HPUX aCC: HP ANSI C++ B3910B A.03.65) can't handle it. */ -#define END_OF_ST_FIELD_INFO \ - {STRUCT_FLD(field_name, NULL), \ - STRUCT_FLD(field_length, 0), \ - STRUCT_FLD(field_type, MYSQL_TYPE_NULL), \ - STRUCT_FLD(value, 0), \ - STRUCT_FLD(field_flags, 0), \ - STRUCT_FLD(old_name, ""), \ - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)} - -/* -Use the following types mapping: - -C type ST_FIELD_INFO::field_type ---------------------------------- -long MYSQL_TYPE_LONGLONG -(field_length=MY_INT64_NUM_DECIMAL_DIGITS) - -long unsigned MYSQL_TYPE_LONGLONG -(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED) - -char* MYSQL_TYPE_STRING -(field_length=n) - -float MYSQL_TYPE_FLOAT -(field_length=0 is ignored) - -void* MYSQL_TYPE_LONGLONG -(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED) - -boolean (if else) MYSQL_TYPE_LONG -(field_length=1) - -time_t MYSQL_TYPE_DATETIME -(field_length=0 ignored) ---------------------------------- -*/ - -/* XXX these are defined in mysql_priv.h inside #ifdef MYSQL_SERVER */ -bool schema_table_store_record(THD *thd, TABLE *table); -void localtime_to_TIME(MYSQL_TIME *to, struct tm *from); -bool check_global_access(THD *thd, ulong want_access); - -/*******************************************************************//** -Common function to fill any of the dynamic tables: -INFORMATION_SCHEMA.innodb_trx -INFORMATION_SCHEMA.innodb_locks -INFORMATION_SCHEMA.innodb_lock_waits -@return 0 on success */ -static -int -trx_i_s_common_fill_table( -/*======================*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond); /*!< in: condition (not used) */ - -/*******************************************************************//** -Unbind a dynamic INFORMATION_SCHEMA table. -@return 0 on success */ -static -int -i_s_common_deinit( -/*==============*/ - void* p); /*!< in/out: table schema object */ - -/*******************************************************************//** -Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME -field. -@return 0 on success */ -static -int -field_store_time_t( -/*===============*/ - Field* field, /*!< in/out: target field for storage */ - time_t time) /*!< in: value to store */ -{ - MYSQL_TIME my_time; - struct tm tm_time; - -#if 0 - /* use this if you are sure that `variables' and `time_zone' - are always initialized */ - thd->variables.time_zone->gmt_sec_to_TIME( - &my_time, (my_time_t) time); -#else - localtime_r(&time, &tm_time); - localtime_to_TIME(&my_time, &tm_time); - my_time.time_type = MYSQL_TIMESTAMP_DATETIME; -#endif - - return(field->store_time(&my_time, MYSQL_TIMESTAMP_DATETIME)); -} - -/*******************************************************************//** -Auxiliary function to store char* value in MYSQL_TYPE_STRING field. -@return 0 on success */ -static -int -field_store_string( -/*===============*/ - Field* field, /*!< in/out: target field for storage */ - const char* str) /*!< in: NUL-terminated utf-8 string, - or NULL */ -{ - int ret; - - if (str != NULL) { - - ret = field->store(str, strlen(str), - system_charset_info); - field->set_notnull(); - } else { - - ret = 0; /* success */ - field->set_null(); - } - - return(ret); -} - -/*******************************************************************//** -Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field. -If the value is ULINT_UNDEFINED then the field it set to NULL. -@return 0 on success */ -static -int -field_store_ulint( -/*==============*/ - Field* field, /*!< in/out: target field for storage */ - ulint n) /*!< in: value to store */ -{ - int ret; - - if (n != ULINT_UNDEFINED) { - - ret = field->store(n); - field->set_notnull(); - } else { - - ret = 0; /* success */ - field->set_null(); - } - - return(ret); -} - -/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_trx */ -static ST_FIELD_INFO innodb_trx_fields_info[] = -{ -#define IDX_TRX_ID 0 - {STRUCT_FLD(field_name, "trx_id"), - STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_STATE 1 - {STRUCT_FLD(field_name, "trx_state"), - STRUCT_FLD(field_length, TRX_QUE_STATE_STR_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_STARTED 2 - {STRUCT_FLD(field_name, "trx_started"), - STRUCT_FLD(field_length, 0), - STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_REQUESTED_LOCK_ID 3 - {STRUCT_FLD(field_name, "trx_requested_lock_id"), - STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_WAIT_STARTED 4 - {STRUCT_FLD(field_name, "trx_wait_started"), - STRUCT_FLD(field_length, 0), - STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_WEIGHT 5 - {STRUCT_FLD(field_name, "trx_weight"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_MYSQL_THREAD_ID 6 - {STRUCT_FLD(field_name, "trx_mysql_thread_id"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_TRX_QUERY 7 - {STRUCT_FLD(field_name, "trx_query"), - STRUCT_FLD(field_length, TRX_I_S_TRX_QUERY_MAX_LEN), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - END_OF_ST_FIELD_INFO -}; - -/*******************************************************************//** -Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_trx -table with it. -@return 0 on success */ -static -int -fill_innodb_trx_from_cache( -/*=======================*/ - trx_i_s_cache_t* cache, /*!< in: cache to read from */ - THD* thd, /*!< in: used to call - schema_table_store_record() */ - TABLE* table) /*!< in/out: fill this table */ -{ - Field** fields; - ulint rows_num; - char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; - ulint i; - - DBUG_ENTER("fill_innodb_trx_from_cache"); - - fields = table->field; - - rows_num = trx_i_s_cache_get_rows_used(cache, - I_S_INNODB_TRX); - - for (i = 0; i < rows_num; i++) { - - i_s_trx_row_t* row; - char trx_id[TRX_ID_MAX_LEN + 1]; - - row = (i_s_trx_row_t*) - trx_i_s_cache_get_nth_row( - cache, I_S_INNODB_TRX, i); - - /* trx_id */ - ut_snprintf(trx_id, sizeof(trx_id), TRX_ID_FMT, row->trx_id); - OK(field_store_string(fields[IDX_TRX_ID], trx_id)); - - /* trx_state */ - OK(field_store_string(fields[IDX_TRX_STATE], - row->trx_state)); - - /* trx_started */ - OK(field_store_time_t(fields[IDX_TRX_STARTED], - (time_t) row->trx_started)); - - /* trx_requested_lock_id */ - /* trx_wait_started */ - if (row->trx_wait_started != 0) { - - OK(field_store_string( - fields[IDX_TRX_REQUESTED_LOCK_ID], - trx_i_s_create_lock_id( - row->requested_lock_row, - lock_id, sizeof(lock_id)))); - /* field_store_string() sets it no notnull */ - - OK(field_store_time_t( - fields[IDX_TRX_WAIT_STARTED], - (time_t) row->trx_wait_started)); - fields[IDX_TRX_WAIT_STARTED]->set_notnull(); - } else { - - fields[IDX_TRX_REQUESTED_LOCK_ID]->set_null(); - fields[IDX_TRX_WAIT_STARTED]->set_null(); - } - - /* trx_weight */ - OK(fields[IDX_TRX_WEIGHT]->store((longlong) row->trx_weight, - true)); - - /* trx_mysql_thread_id */ - OK(fields[IDX_TRX_MYSQL_THREAD_ID]->store( - row->trx_mysql_thread_id)); - - /* trx_query */ - OK(field_store_string(fields[IDX_TRX_QUERY], - row->trx_query)); - - OK(schema_table_store_record(thd, table)); - } - - DBUG_RETURN(0); -} - -/*******************************************************************//** -Bind the dynamic table INFORMATION_SCHEMA.innodb_trx -@return 0 on success */ -static -int -innodb_trx_init( -/*============*/ - void* p) /*!< in/out: table schema object */ -{ - ST_SCHEMA_TABLE* schema; - - DBUG_ENTER("innodb_trx_init"); - - schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = innodb_trx_fields_info; - schema->fill_table = trx_i_s_common_fill_table; - - DBUG_RETURN(0); -} - -static struct st_mysql_information_schema i_s_info = -{ - MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION -}; - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_trx = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_TRX"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "InnoDB transactions"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, innodb_trx_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_locks */ -static ST_FIELD_INFO innodb_locks_fields_info[] = -{ -#define IDX_LOCK_ID 0 - {STRUCT_FLD(field_name, "lock_id"), - STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_TRX_ID 1 - {STRUCT_FLD(field_name, "lock_trx_id"), - STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_MODE 2 - {STRUCT_FLD(field_name, "lock_mode"), - /* S[,GAP] X[,GAP] IS[,GAP] IX[,GAP] AUTO_INC UNKNOWN */ - STRUCT_FLD(field_length, 32), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_TYPE 3 - {STRUCT_FLD(field_name, "lock_type"), - STRUCT_FLD(field_length, 32 /* RECORD|TABLE|UNKNOWN */), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_TABLE 4 - {STRUCT_FLD(field_name, "lock_table"), - STRUCT_FLD(field_length, 1024), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_INDEX 5 - {STRUCT_FLD(field_name, "lock_index"), - STRUCT_FLD(field_length, 1024), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_SPACE 6 - {STRUCT_FLD(field_name, "lock_space"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_PAGE 7 - {STRUCT_FLD(field_name, "lock_page"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_REC 8 - {STRUCT_FLD(field_name, "lock_rec"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_LOCK_DATA 9 - {STRUCT_FLD(field_name, "lock_data"), - STRUCT_FLD(field_length, TRX_I_S_LOCK_DATA_MAX_LEN), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - END_OF_ST_FIELD_INFO -}; - -/*******************************************************************//** -Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_locks -table with it. -@return 0 on success */ -static -int -fill_innodb_locks_from_cache( -/*=========================*/ - trx_i_s_cache_t* cache, /*!< in: cache to read from */ - THD* thd, /*!< in: MySQL client connection */ - TABLE* table) /*!< in/out: fill this table */ -{ - Field** fields; - ulint rows_num; - char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; - ulint i; - - DBUG_ENTER("fill_innodb_locks_from_cache"); - - fields = table->field; - - rows_num = trx_i_s_cache_get_rows_used(cache, - I_S_INNODB_LOCKS); - - for (i = 0; i < rows_num; i++) { - - i_s_locks_row_t* row; - - /* note that the decoded database or table name is - never expected to be longer than NAME_LEN; - NAME_LEN for database name - 2 for surrounding quotes around database name - NAME_LEN for table name - 2 for surrounding quotes around table name - 1 for the separating dot (.) - 9 for the #mysql50# prefix */ - char buf[2 * NAME_LEN + 14]; - const char* bufend; - - char lock_trx_id[TRX_ID_MAX_LEN + 1]; - - row = (i_s_locks_row_t*) - trx_i_s_cache_get_nth_row( - cache, I_S_INNODB_LOCKS, i); - - /* lock_id */ - trx_i_s_create_lock_id(row, lock_id, sizeof(lock_id)); - OK(field_store_string(fields[IDX_LOCK_ID], - lock_id)); - - /* lock_trx_id */ - ut_snprintf(lock_trx_id, sizeof(lock_trx_id), - TRX_ID_FMT, row->lock_trx_id); - OK(field_store_string(fields[IDX_LOCK_TRX_ID], lock_trx_id)); - - /* lock_mode */ - OK(field_store_string(fields[IDX_LOCK_MODE], - row->lock_mode)); - - /* lock_type */ - OK(field_store_string(fields[IDX_LOCK_TYPE], - row->lock_type)); - - /* lock_table */ - bufend = innobase_convert_name(buf, sizeof(buf), - row->lock_table, - strlen(row->lock_table), - thd, TRUE); - OK(fields[IDX_LOCK_TABLE]->store(buf, bufend - buf, - system_charset_info)); - - /* lock_index */ - if (row->lock_index != NULL) { - - bufend = innobase_convert_name(buf, sizeof(buf), - row->lock_index, - strlen(row->lock_index), - thd, FALSE); - OK(fields[IDX_LOCK_INDEX]->store(buf, bufend - buf, - system_charset_info)); - fields[IDX_LOCK_INDEX]->set_notnull(); - } else { - - fields[IDX_LOCK_INDEX]->set_null(); - } - - /* lock_space */ - OK(field_store_ulint(fields[IDX_LOCK_SPACE], - row->lock_space)); - - /* lock_page */ - OK(field_store_ulint(fields[IDX_LOCK_PAGE], - row->lock_page)); - - /* lock_rec */ - OK(field_store_ulint(fields[IDX_LOCK_REC], - row->lock_rec)); - - /* lock_data */ - OK(field_store_string(fields[IDX_LOCK_DATA], - row->lock_data)); - - OK(schema_table_store_record(thd, table)); - } - - DBUG_RETURN(0); -} - -/*******************************************************************//** -Bind the dynamic table INFORMATION_SCHEMA.innodb_locks -@return 0 on success */ -static -int -innodb_locks_init( -/*==============*/ - void* p) /*!< in/out: table schema object */ -{ - ST_SCHEMA_TABLE* schema; - - DBUG_ENTER("innodb_locks_init"); - - schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = innodb_locks_fields_info; - schema->fill_table = trx_i_s_common_fill_table; - - DBUG_RETURN(0); -} - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_locks = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_LOCKS"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "InnoDB conflicting locks"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, innodb_locks_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_lock_waits */ -static ST_FIELD_INFO innodb_lock_waits_fields_info[] = -{ -#define IDX_REQUESTING_TRX_ID 0 - {STRUCT_FLD(field_name, "requesting_trx_id"), - STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_REQUESTED_LOCK_ID 1 - {STRUCT_FLD(field_name, "requested_lock_id"), - STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_BLOCKING_TRX_ID 2 - {STRUCT_FLD(field_name, "blocking_trx_id"), - STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - -#define IDX_BLOCKING_LOCK_ID 3 - {STRUCT_FLD(field_name, "blocking_lock_id"), - STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1), - STRUCT_FLD(field_type, MYSQL_TYPE_STRING), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, ""), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - END_OF_ST_FIELD_INFO -}; - -/*******************************************************************//** -Read data from cache buffer and fill the -INFORMATION_SCHEMA.innodb_lock_waits table with it. -@return 0 on success */ -static -int -fill_innodb_lock_waits_from_cache( -/*==============================*/ - trx_i_s_cache_t* cache, /*!< in: cache to read from */ - THD* thd, /*!< in: used to call - schema_table_store_record() */ - TABLE* table) /*!< in/out: fill this table */ -{ - Field** fields; - ulint rows_num; - char requested_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; - char blocking_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1]; - ulint i; - - DBUG_ENTER("fill_innodb_lock_waits_from_cache"); - - fields = table->field; - - rows_num = trx_i_s_cache_get_rows_used(cache, - I_S_INNODB_LOCK_WAITS); - - for (i = 0; i < rows_num; i++) { - - i_s_lock_waits_row_t* row; - - char requesting_trx_id[TRX_ID_MAX_LEN + 1]; - char blocking_trx_id[TRX_ID_MAX_LEN + 1]; - - row = (i_s_lock_waits_row_t*) - trx_i_s_cache_get_nth_row( - cache, I_S_INNODB_LOCK_WAITS, i); - - /* requesting_trx_id */ - ut_snprintf(requesting_trx_id, sizeof(requesting_trx_id), - TRX_ID_FMT, row->requested_lock_row->lock_trx_id); - OK(field_store_string(fields[IDX_REQUESTING_TRX_ID], - requesting_trx_id)); - - /* requested_lock_id */ - OK(field_store_string( - fields[IDX_REQUESTED_LOCK_ID], - trx_i_s_create_lock_id( - row->requested_lock_row, - requested_lock_id, - sizeof(requested_lock_id)))); - - /* blocking_trx_id */ - ut_snprintf(blocking_trx_id, sizeof(blocking_trx_id), - TRX_ID_FMT, row->blocking_lock_row->lock_trx_id); - OK(field_store_string(fields[IDX_BLOCKING_TRX_ID], - blocking_trx_id)); - - /* blocking_lock_id */ - OK(field_store_string( - fields[IDX_BLOCKING_LOCK_ID], - trx_i_s_create_lock_id( - row->blocking_lock_row, - blocking_lock_id, - sizeof(blocking_lock_id)))); - - OK(schema_table_store_record(thd, table)); - } - - DBUG_RETURN(0); -} - -/*******************************************************************//** -Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits -@return 0 on success */ -static -int -innodb_lock_waits_init( -/*===================*/ - void* p) /*!< in/out: table schema object */ -{ - ST_SCHEMA_TABLE* schema; - - DBUG_ENTER("innodb_lock_waits_init"); - - schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = innodb_lock_waits_fields_info; - schema->fill_table = trx_i_s_common_fill_table; - - DBUG_RETURN(0); -} - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_LOCK_WAITS"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, "Innobase Oy"), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "InnoDB which lock is blocking which"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, innodb_lock_waits_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -/*******************************************************************//** -Common function to fill any of the dynamic tables: -INFORMATION_SCHEMA.innodb_trx -INFORMATION_SCHEMA.innodb_locks -INFORMATION_SCHEMA.innodb_lock_waits -@return 0 on success */ -static -int -trx_i_s_common_fill_table( -/*======================*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond) /*!< in: condition (not used) */ -{ - const char* table_name; - int ret; - trx_i_s_cache_t* cache; - - DBUG_ENTER("trx_i_s_common_fill_table"); - - /* deny access to non-superusers */ - if (check_global_access(thd, PROCESS_ACL)) { - - DBUG_RETURN(0); - } - - /* minimize the number of places where global variables are - referenced */ - cache = trx_i_s_cache; - - /* which table we have to fill? */ - table_name = tables->schema_table_name; - /* or table_name = tables->schema_table->table_name; */ - - RETURN_IF_INNODB_NOT_STARTED(table_name); - - /* update the cache */ - trx_i_s_cache_start_write(cache); - trx_i_s_possibly_fetch_data_into_cache(cache); - trx_i_s_cache_end_write(cache); - - if (trx_i_s_cache_is_truncated(cache)) { - - /* XXX show warning to user if possible */ - fprintf(stderr, "Warning: data in %s truncated due to " - "memory limit of %d bytes\n", table_name, - TRX_I_S_MEM_LIMIT); - } - - ret = 0; - - trx_i_s_cache_start_read(cache); - - if (innobase_strcasecmp(table_name, "innodb_trx") == 0) { - - if (fill_innodb_trx_from_cache( - cache, thd, tables->table) != 0) { - - ret = 1; - } - - } else if (innobase_strcasecmp(table_name, "innodb_locks") == 0) { - - if (fill_innodb_locks_from_cache( - cache, thd, tables->table) != 0) { - - ret = 1; - } - - } else if (innobase_strcasecmp(table_name, "innodb_lock_waits") == 0) { - - if (fill_innodb_lock_waits_from_cache( - cache, thd, tables->table) != 0) { - - ret = 1; - } - - } else { - - /* huh! what happened!? */ - fprintf(stderr, - "InnoDB: trx_i_s_common_fill_table() was " - "called to fill unknown table: %s.\n" - "This function only knows how to fill " - "innodb_trx, innodb_locks and " - "innodb_lock_waits tables.\n", table_name); - - ret = 1; - } - - trx_i_s_cache_end_read(cache); - -#if 0 - DBUG_RETURN(ret); -#else - /* if this function returns something else than 0 then a - deadlock occurs between the mysqld server and mysql client, - see http://bugs.mysql.com/29900 ; when that bug is resolved - we can enable the DBUG_RETURN(ret) above */ - DBUG_RETURN(0); -#endif -} - -/* Fields of the dynamic table information_schema.innodb_cmp. */ -static ST_FIELD_INFO i_s_cmp_fields_info[] = -{ - {STRUCT_FLD(field_name, "page_size"), - STRUCT_FLD(field_length, 5), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Compressed Page Size"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "compress_ops"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Number of Compressions"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "compress_ops_ok"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Number of" - " Successful Compressions"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "compress_time"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Compressions," - " in Seconds"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "uncompress_ops"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Number of Decompressions"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "uncompress_time"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Decompressions," - " in Seconds"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - END_OF_ST_FIELD_INFO -}; - - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmp or -innodb_cmp_reset. -@return 0 on success, 1 on failure */ -static -int -i_s_cmp_fill_low( -/*=============*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond, /*!< in: condition (ignored) */ - ibool reset) /*!< in: TRUE=reset cumulated counts */ -{ - TABLE* table = (TABLE *) tables->table; - int status = 0; - - DBUG_ENTER("i_s_cmp_fill_low"); - - /* deny access to non-superusers */ - if (check_global_access(thd, PROCESS_ACL)) { - - DBUG_RETURN(0); - } - - RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); - - for (uint i = 0; i < PAGE_ZIP_NUM_SSIZE - 1; i++) { - page_zip_stat_t* zip_stat = &page_zip_stat[i]; - - table->field[0]->store(PAGE_ZIP_MIN_SIZE << i); - - /* The cumulated counts are not protected by any - mutex. Thus, some operation in page0zip.c could - increment a counter between the time we read it and - clear it. We could introduce mutex protection, but it - could cause a measureable performance hit in - page0zip.c. */ - table->field[1]->store(zip_stat->compressed); - table->field[2]->store(zip_stat->compressed_ok); - table->field[3]->store( - (ulong) (zip_stat->compressed_usec / 1000000)); - table->field[4]->store(zip_stat->decompressed); - table->field[5]->store( - (ulong) (zip_stat->decompressed_usec / 1000000)); - - if (reset) { - memset(zip_stat, 0, sizeof *zip_stat); - } - - if (schema_table_store_record(thd, table)) { - status = 1; - break; - } - } - - DBUG_RETURN(status); -} - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmp. -@return 0 on success, 1 on failure */ -static -int -i_s_cmp_fill( -/*=========*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond) /*!< in: condition (ignored) */ -{ - return(i_s_cmp_fill_low(thd, tables, cond, FALSE)); -} - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmp_reset. -@return 0 on success, 1 on failure */ -static -int -i_s_cmp_reset_fill( -/*===============*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond) /*!< in: condition (ignored) */ -{ - return(i_s_cmp_fill_low(thd, tables, cond, TRUE)); -} - -/*******************************************************************//** -Bind the dynamic table information_schema.innodb_cmp. -@return 0 on success */ -static -int -i_s_cmp_init( -/*=========*/ - void* p) /*!< in/out: table schema object */ -{ - DBUG_ENTER("i_s_cmp_init"); - ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = i_s_cmp_fields_info; - schema->fill_table = i_s_cmp_fill; - - DBUG_RETURN(0); -} - -/*******************************************************************//** -Bind the dynamic table information_schema.innodb_cmp_reset. -@return 0 on success */ -static -int -i_s_cmp_reset_init( -/*===============*/ - void* p) /*!< in/out: table schema object */ -{ - DBUG_ENTER("i_s_cmp_reset_init"); - ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = i_s_cmp_fields_info; - schema->fill_table = i_s_cmp_reset_fill; - - DBUG_RETURN(0); -} - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_CMP"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "Statistics for the InnoDB compression"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, i_s_cmp_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp_reset = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_CMP_RESET"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "Statistics for the InnoDB compression;" - " reset cumulated counts"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, i_s_cmp_reset_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -/* Fields of the dynamic table information_schema.innodb_cmpmem. */ -static ST_FIELD_INFO i_s_cmpmem_fields_info[] = -{ - {STRUCT_FLD(field_name, "page_size"), - STRUCT_FLD(field_length, 5), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Buddy Block Size"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "pages_used"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently in Use"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "pages_free"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Currently Available"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "relocation_ops"), - STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Number of Relocations"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - {STRUCT_FLD(field_name, "relocation_time"), - STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), - STRUCT_FLD(field_type, MYSQL_TYPE_LONG), - STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), - STRUCT_FLD(old_name, "Total Duration of Relocations," - " in Seconds"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, - - END_OF_ST_FIELD_INFO -}; - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmpmem or -innodb_cmpmem_reset. -@return 0 on success, 1 on failure */ -static -int -i_s_cmpmem_fill_low( -/*================*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond, /*!< in: condition (ignored) */ - ibool reset) /*!< in: TRUE=reset cumulated counts */ -{ - TABLE* table = (TABLE *) tables->table; - int status = 0; - - DBUG_ENTER("i_s_cmpmem_fill_low"); - - /* deny access to non-superusers */ - if (check_global_access(thd, PROCESS_ACL)) { - - DBUG_RETURN(0); - } - - RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); - - buf_pool_mutex_enter(); - - for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { - buf_buddy_stat_t* buddy_stat = &buf_buddy_stat[x]; - - table->field[0]->store(BUF_BUDDY_LOW << x); - table->field[1]->store(buddy_stat->used); - table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) - ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) - : 0); - table->field[3]->store((longlong) buddy_stat->relocated, true); - table->field[4]->store( - (ulong) (buddy_stat->relocated_usec / 1000000)); - - if (reset) { - /* This is protected by buf_pool_mutex. */ - buddy_stat->relocated = 0; - buddy_stat->relocated_usec = 0; - } - - if (schema_table_store_record(thd, table)) { - status = 1; - break; - } - } - - buf_pool_mutex_exit(); - DBUG_RETURN(status); -} - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmpmem. -@return 0 on success, 1 on failure */ -static -int -i_s_cmpmem_fill( -/*============*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond) /*!< in: condition (ignored) */ -{ - return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE)); -} - -/*******************************************************************//** -Fill the dynamic table information_schema.innodb_cmpmem_reset. -@return 0 on success, 1 on failure */ -static -int -i_s_cmpmem_reset_fill( -/*==================*/ - THD* thd, /*!< in: thread */ - TABLE_LIST* tables, /*!< in/out: tables to fill */ - COND* cond) /*!< in: condition (ignored) */ -{ - return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE)); -} - -/*******************************************************************//** -Bind the dynamic table information_schema.innodb_cmpmem. -@return 0 on success */ -static -int -i_s_cmpmem_init( -/*============*/ - void* p) /*!< in/out: table schema object */ -{ - DBUG_ENTER("i_s_cmpmem_init"); - ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = i_s_cmpmem_fields_info; - schema->fill_table = i_s_cmpmem_fill; - - DBUG_RETURN(0); -} - -/*******************************************************************//** -Bind the dynamic table information_schema.innodb_cmpmem_reset. -@return 0 on success */ -static -int -i_s_cmpmem_reset_init( -/*==================*/ - void* p) /*!< in/out: table schema object */ -{ - DBUG_ENTER("i_s_cmpmem_reset_init"); - ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p; - - schema->fields_info = i_s_cmpmem_fields_info; - schema->fill_table = i_s_cmpmem_reset_fill; - - DBUG_RETURN(0); -} - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_CMPMEM"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, i_s_cmpmem_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset = -{ - /* the plugin type (a MYSQL_XXX_PLUGIN value) */ - /* int */ - STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), - - /* pointer to type-specific plugin descriptor */ - /* void* */ - STRUCT_FLD(info, &i_s_info), - - /* plugin name */ - /* const char* */ - STRUCT_FLD(name, "INNODB_CMPMEM_RESET"), - - /* plugin author (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(author, plugin_author), - - /* general descriptive text (for SHOW PLUGINS) */ - /* const char* */ - STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool;" - " reset cumulated counts"), - - /* the plugin license (PLUGIN_LICENSE_XXX) */ - /* int */ - STRUCT_FLD(license, PLUGIN_LICENSE_GPL), - - /* the function to invoke when plugin is loaded */ - /* int (*)(void*); */ - STRUCT_FLD(init, i_s_cmpmem_reset_init), - - /* the function to invoke when plugin is unloaded */ - /* int (*)(void*); */ - STRUCT_FLD(deinit, i_s_common_deinit), - - /* plugin version (for SHOW PLUGINS) */ - /* unsigned int */ - STRUCT_FLD(version, INNODB_VERSION_SHORT), - - /* struct st_mysql_show_var* */ - STRUCT_FLD(status_vars, NULL), - - /* struct st_mysql_sys_var** */ - STRUCT_FLD(system_vars, NULL), - - /* reserved for dependency checking */ - /* void* */ - STRUCT_FLD(__reserved1, NULL) -}; - -/*******************************************************************//** -Unbind a dynamic INFORMATION_SCHEMA table. -@return 0 on success */ -static -int -i_s_common_deinit( -/*==============*/ - void* p) /*!< in/out: table schema object */ -{ - DBUG_ENTER("i_s_common_deinit"); - - /* Do nothing */ - - DBUG_RETURN(0); -} diff --git a/perfschema/handler/i_s.h b/perfschema/handler/i_s.h deleted file mode 100644 index 402c88bbedb..00000000000 --- a/perfschema/handler/i_s.h +++ /dev/null @@ -1,37 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file handler/i_s.h -InnoDB INFORMATION SCHEMA tables interface to MySQL. - -Created July 18, 2007 Vasil Dimov -*******************************************************/ - -#ifndef i_s_h -#define i_s_h - -extern struct st_mysql_plugin i_s_innodb_trx; -extern struct st_mysql_plugin i_s_innodb_locks; -extern struct st_mysql_plugin i_s_innodb_lock_waits; -extern struct st_mysql_plugin i_s_innodb_cmp; -extern struct st_mysql_plugin i_s_innodb_cmp_reset; -extern struct st_mysql_plugin i_s_innodb_cmpmem; -extern struct st_mysql_plugin i_s_innodb_cmpmem_reset; - -#endif /* i_s_h */ diff --git a/perfschema/handler/mysql_addons.cc b/perfschema/handler/mysql_addons.cc deleted file mode 100644 index eae1fe9fbc2..00000000000 --- a/perfschema/handler/mysql_addons.cc +++ /dev/null @@ -1,42 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file handler/mysql_addons.cc -This file contains functions that need to be added to -MySQL code but have not been added yet. - -Whenever you add a function here submit a MySQL bug -report (feature request) with the implementation. Then -write the bug number in the comment before the -function in this file. - -When MySQL commits the function it can be deleted from -here. In a perfect world this file exists but is empty. - -Created November 07, 2007 Vasil Dimov -*******************************************************/ - -#ifndef MYSQL_SERVER -#define MYSQL_SERVER -#endif /* MYSQL_SERVER */ - -#include - -#include "mysql_addons.h" -#include "univ.i" diff --git a/perfschema/ibuf/ibuf0ibuf.c b/perfschema/ibuf/ibuf0ibuf.c deleted file mode 100644 index cd19ea22bb3..00000000000 --- a/perfschema/ibuf/ibuf0ibuf.c +++ /dev/null @@ -1,4690 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file ibuf/ibuf0ibuf.c -Insert buffer - -Created 7/19/1997 Heikki Tuuri -*******************************************************/ - -#include "ibuf0ibuf.h" - -/** Number of bits describing a single page */ -#define IBUF_BITS_PER_PAGE 4 -#if IBUF_BITS_PER_PAGE % 2 -# error "IBUF_BITS_PER_PAGE must be an even number!" -#endif -/** The start address for an insert buffer bitmap page bitmap */ -#define IBUF_BITMAP PAGE_DATA - -#ifdef UNIV_NONINL -#include "ibuf0ibuf.ic" -#endif - -#ifndef UNIV_HOTBACKUP - -#include "buf0buf.h" -#include "buf0rea.h" -#include "fsp0fsp.h" -#include "trx0sys.h" -#include "fil0fil.h" -#include "thr0loc.h" -#include "rem0rec.h" -#include "btr0cur.h" -#include "btr0pcur.h" -#include "btr0btr.h" -#include "sync0sync.h" -#include "dict0boot.h" -#include "fut0lst.h" -#include "lock0lock.h" -#include "log0recv.h" -#include "que0que.h" - -/* STRUCTURE OF AN INSERT BUFFER RECORD - -In versions < 4.1.x: - -1. The first field is the page number. -2. The second field is an array which stores type info for each subsequent - field. We store the information which affects the ordering of records, and - also the physical storage size of an SQL NULL value. E.g., for CHAR(10) it - is 10 bytes. -3. Next we have the fields of the actual index record. - -In versions >= 4.1.x: - -Note that contary to what we planned in the 1990's, there will only be one -insert buffer tree, and that is in the system tablespace of InnoDB. - -1. The first field is the space id. -2. The second field is a one-byte marker (0) which differentiates records from - the < 4.1.x storage format. -3. The third field is the page number. -4. The fourth field contains the type info, where we have also added 2 bytes to - store the charset. In the compressed table format of 5.0.x we must add more - information here so that we can build a dummy 'index' struct which 5.0.x - can use in the binary search on the index page in the ibuf merge phase. -5. The rest of the fields contain the fields of the actual index record. - -In versions >= 5.0.3: - -The first byte of the fourth field is an additional marker (0) if the record -is in the compact format. The presence of this marker can be detected by -looking at the length of the field modulo DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE. - -The high-order bit of the character set field in the type info is the -"nullable" flag for the field. - -In versions >= InnoDB+ plugin: - -The optional marker byte at the start of the fourth field is replaced by -mandatory 3 fields, totaling 4 bytes: - - 1. 2 bytes: Counter field, used to sort records within a (space id, page - no) in the order they were added. This is needed so that for example the - sequence of operations "INSERT x, DEL MARK x, INSERT x" is handled - correctly. - - 2. 1 byte: Operation type (see ibuf_op_t). - - 3. 1 byte: Flags. Currently only one flag exists, IBUF_REC_COMPACT. - -To ensure older records, which do not have counters to enforce correct -sorting, are merged before any new records, ibuf_insert checks if we're -trying to insert to a position that contains old-style records, and if so, -refuses the insert. Thus, ibuf pages are gradually converted to the new -format as their corresponding buffer pool pages are read into memory. -*/ - - -/* PREVENTING DEADLOCKS IN THE INSERT BUFFER SYSTEM - -If an OS thread performs any operation that brings in disk pages from -non-system tablespaces into the buffer pool, or creates such a page there, -then the operation may have as a side effect an insert buffer index tree -compression. Thus, the tree latch of the insert buffer tree may be acquired -in the x-mode, and also the file space latch of the system tablespace may -be acquired in the x-mode. - -Also, an insert to an index in a non-system tablespace can have the same -effect. How do we know this cannot lead to a deadlock of OS threads? There -is a problem with the i\o-handler threads: they break the latching order -because they own x-latches to pages which are on a lower level than the -insert buffer tree latch, its page latches, and the tablespace latch an -insert buffer operation can reserve. - -The solution is the following: Let all the tree and page latches connected -with the insert buffer be later in the latching order than the fsp latch and -fsp page latches. - -Insert buffer pages must be such that the insert buffer is never invoked -when these pages are accessed as this would result in a recursion violating -the latching order. We let a special i/o-handler thread take care of i/o to -the insert buffer pages and the ibuf bitmap pages, as well as the fsp bitmap -pages and the first inode page, which contains the inode of the ibuf tree: let -us call all these ibuf pages. To prevent deadlocks, we do not let a read-ahead -access both non-ibuf and ibuf pages. - -Then an i/o-handler for the insert buffer never needs to access recursively the -insert buffer tree and thus obeys the latching order. On the other hand, other -i/o-handlers for other tablespaces may require access to the insert buffer, -but because all kinds of latches they need to access there are later in the -latching order, no violation of the latching order occurs in this case, -either. - -A problem is how to grow and contract an insert buffer tree. As it is later -in the latching order than the fsp management, we have to reserve the fsp -latch first, before adding or removing pages from the insert buffer tree. -We let the insert buffer tree have its own file space management: a free -list of pages linked to the tree root. To prevent recursive using of the -insert buffer when adding pages to the tree, we must first load these pages -to memory, obtaining a latch on them, and only after that add them to the -free list of the insert buffer tree. More difficult is removing of pages -from the free list. If there is an excess of pages in the free list of the -ibuf tree, they might be needed if some thread reserves the fsp latch, -intending to allocate more file space. So we do the following: if a thread -reserves the fsp latch, we check the writer count field of the latch. If -this field has value 1, it means that the thread did not own the latch -before entering the fsp system, and the mtr of the thread contains no -modifications to the fsp pages. Now we are free to reserve the ibuf latch, -and check if there is an excess of pages in the free list. We can then, in a -separate mini-transaction, take them out of the free list and free them to -the fsp system. - -To avoid deadlocks in the ibuf system, we divide file pages into three levels: - -(1) non-ibuf pages, -(2) ibuf tree pages and the pages in the ibuf tree free list, and -(3) ibuf bitmap pages. - -No OS thread is allowed to access higher level pages if it has latches to -lower level pages; even if the thread owns a B-tree latch it must not access -the B-tree non-leaf pages if it has latches on lower level pages. Read-ahead -is only allowed for level 1 and 2 pages. Dedicated i/o-handler threads handle -exclusively level 1 i/o. A dedicated i/o handler thread handles exclusively -level 2 i/o. However, if an OS thread does the i/o handling for itself, i.e., -it uses synchronous aio, it can access any pages, as long as it obeys the -access order rules. */ - -/** Buffer pool size per the maximum insert buffer size */ -#define IBUF_POOL_SIZE_PER_MAX_SIZE 2 - -/** Table name for the insert buffer. */ -#define IBUF_TABLE_NAME "SYS_IBUF_TABLE" - -/** Operations that can currently be buffered. */ -UNIV_INTERN ibuf_use_t ibuf_use = IBUF_USE_ALL; - -/** The insert buffer control structure */ -UNIV_INTERN ibuf_t* ibuf = NULL; - -/** Counter for ibuf_should_try() */ -UNIV_INTERN ulint ibuf_flush_count = 0; - -#ifdef UNIV_IBUF_COUNT_DEBUG -/** Number of tablespaces in the ibuf_counts array */ -#define IBUF_COUNT_N_SPACES 4 -/** Number of pages within each tablespace in the ibuf_counts array */ -#define IBUF_COUNT_N_PAGES 130000 - -/** Buffered entry counts for file pages, used in debugging */ -static ulint ibuf_counts[IBUF_COUNT_N_SPACES][IBUF_COUNT_N_PAGES]; - -/******************************************************************//** -Checks that the indexes to ibuf_counts[][] are within limits. */ -UNIV_INLINE -void -ibuf_count_check( -/*=============*/ - ulint space_id, /*!< in: space identifier */ - ulint page_no) /*!< in: page number */ -{ - if (space_id < IBUF_COUNT_N_SPACES && page_no < IBUF_COUNT_N_PAGES) { - return; - } - - fprintf(stderr, - "InnoDB: UNIV_IBUF_COUNT_DEBUG limits space_id and page_no\n" - "InnoDB: and breaks crash recovery.\n" - "InnoDB: space_id=%lu, should be 0<=space_id<%lu\n" - "InnoDB: page_no=%lu, should be 0<=page_no<%lu\n", - (ulint) space_id, (ulint) IBUF_COUNT_N_SPACES, - (ulint) page_no, (ulint) IBUF_COUNT_N_PAGES); - ut_error; -} -#endif - -/** @name Offsets to the per-page bits in the insert buffer bitmap */ -/* @{ */ -#define IBUF_BITMAP_FREE 0 /*!< Bits indicating the - amount of free space */ -#define IBUF_BITMAP_BUFFERED 2 /*!< TRUE if there are buffered - changes for the page */ -#define IBUF_BITMAP_IBUF 3 /*!< TRUE if page is a part of - the ibuf tree, excluding the - root page, or is in the free - list of the ibuf */ -/* @} */ - -/* Various constants for checking the type of an ibuf record and extracting -data from it. For details, see the description of the record format at the -top of this file. */ - -/** @name Format of the fourth column of an insert buffer record -The fourth column in the InnoDB+ Plugin format contains an operation -type, counter, and some flags. */ -/* @{ */ -#define IBUF_REC_INFO_SIZE 4 /*!< Combined size of info fields at - the beginning of the fourth field */ -#if IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE -# error "IBUF_REC_INFO_SIZE >= DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" -#endif - -/* Offsets for the fields at the beginning of the fourth field */ -#define IBUF_REC_OFFSET_COUNTER 0 /*!< Operation counter */ -#define IBUF_REC_OFFSET_TYPE 2 /*!< Type of operation */ -#define IBUF_REC_OFFSET_FLAGS 3 /*!< Additional flags */ - -/* Record flag masks */ -#define IBUF_REC_COMPACT 0x1 /*!< Set in - IBUF_REC_OFFSET_FLAGS if the - user index is in COMPACT - format or later */ - - -/** The mutex used to block pessimistic inserts to ibuf trees */ -static mutex_t ibuf_pessimistic_insert_mutex; - -/** The mutex protecting the insert buffer structs */ -static mutex_t ibuf_mutex; - -/** The mutex protecting the insert buffer bitmaps */ -static mutex_t ibuf_bitmap_mutex; - -/** The area in pages from which contract looks for page numbers for merge */ -#define IBUF_MERGE_AREA 8 - -/** Inside the merge area, pages which have at most 1 per this number less -buffered entries compared to maximum volume that can buffered for a single -page are merged along with the page whose buffer became full */ -#define IBUF_MERGE_THRESHOLD 4 - -/** In ibuf_contract at most this number of pages is read to memory in one -batch, in order to merge the entries for them in the insert buffer */ -#define IBUF_MAX_N_PAGES_MERGED IBUF_MERGE_AREA - -/** If the combined size of the ibuf trees exceeds ibuf->max_size by this -many pages, we start to contract it in connection to inserts there, using -non-synchronous contract */ -#define IBUF_CONTRACT_ON_INSERT_NON_SYNC 0 - -/** If the combined size of the ibuf trees exceeds ibuf->max_size by this -many pages, we start to contract it in connection to inserts there, using -synchronous contract */ -#define IBUF_CONTRACT_ON_INSERT_SYNC 5 - -/** If the combined size of the ibuf trees exceeds ibuf->max_size by -this many pages, we start to contract it synchronous contract, but do -not insert */ -#define IBUF_CONTRACT_DO_NOT_INSERT 10 - -/* TODO: how to cope with drop table if there are records in the insert -buffer for the indexes of the table? Is there actually any problem, -because ibuf merge is done to a page when it is read in, and it is -still physically like the index page even if the index would have been -dropped! So, there seems to be no problem. */ - -/******************************************************************//** -Sets the flag in the current OS thread local storage denoting that it is -inside an insert buffer routine. */ -UNIV_INLINE -void -ibuf_enter(void) -/*============*/ -{ - ibool* ptr; - - ptr = thr_local_get_in_ibuf_field(); - - ut_ad(*ptr == FALSE); - - *ptr = TRUE; -} - -/******************************************************************//** -Sets the flag in the current OS thread local storage denoting that it is -exiting an insert buffer routine. */ -UNIV_INLINE -void -ibuf_exit(void) -/*===========*/ -{ - ibool* ptr; - - ptr = thr_local_get_in_ibuf_field(); - - ut_ad(*ptr == TRUE); - - *ptr = FALSE; -} - -/******************************************************************//** -Returns TRUE if the current OS thread is performing an insert buffer -routine. - -For instance, a read-ahead of non-ibuf pages is forbidden by threads -that are executing an insert buffer routine. -@return TRUE if inside an insert buffer routine */ -UNIV_INTERN -ibool -ibuf_inside(void) -/*=============*/ -{ - return(*thr_local_get_in_ibuf_field()); -} - -/******************************************************************//** -Gets the ibuf header page and x-latches it. -@return insert buffer header page */ -static -page_t* -ibuf_header_page_get( -/*=================*/ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - - ut_ad(!ibuf_inside()); - - block = buf_page_get( - IBUF_SPACE_ID, 0, FSP_IBUF_HEADER_PAGE_NO, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_IBUF_HEADER); - - return(buf_block_get_frame(block)); -} - -/******************************************************************//** -Gets the root page and x-latches it. -@return insert buffer tree root page */ -static -page_t* -ibuf_tree_root_get( -/*===============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - - ut_ad(ibuf_inside()); - - mtr_x_lock(dict_index_get_lock(ibuf->index), mtr); - - block = buf_page_get( - IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, RW_X_LATCH, mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - return(buf_block_get_frame(block)); -} - -#ifdef UNIV_IBUF_COUNT_DEBUG -/******************************************************************//** -Gets the ibuf count for a given page. -@return number of entries in the insert buffer currently buffered for -this page */ -UNIV_INTERN -ulint -ibuf_count_get( -/*===========*/ - ulint space, /*!< in: space id */ - ulint page_no)/*!< in: page number */ -{ - ibuf_count_check(space, page_no); - - return(ibuf_counts[space][page_no]); -} - -/******************************************************************//** -Sets the ibuf count for a given page. */ -static -void -ibuf_count_set( -/*===========*/ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: page number */ - ulint val) /*!< in: value to set */ -{ - ibuf_count_check(space, page_no); - ut_a(val < UNIV_PAGE_SIZE); - - ibuf_counts[space][page_no] = val; -} -#endif - -/******************************************************************//** -Closes insert buffer and frees the data structures. */ -UNIV_INTERN -void -ibuf_close(void) -/*============*/ -{ - mutex_free(&ibuf_pessimistic_insert_mutex); - memset(&ibuf_pessimistic_insert_mutex, - 0x0, sizeof(ibuf_pessimistic_insert_mutex)); - - mutex_free(&ibuf_mutex); - memset(&ibuf_mutex, 0x0, sizeof(ibuf_mutex)); - - mutex_free(&ibuf_bitmap_mutex); - memset(&ibuf_bitmap_mutex, 0x0, sizeof(ibuf_mutex)); - - mem_free(ibuf); - ibuf = NULL; -} - -/******************************************************************//** -Updates the size information of the ibuf, assuming the segment size has not -changed. */ -static -void -ibuf_size_update( -/*=============*/ - const page_t* root, /*!< in: ibuf tree root */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mutex_own(&ibuf_mutex)); - - ibuf->free_list_len = flst_get_len(root + PAGE_HEADER - + PAGE_BTR_IBUF_FREE_LIST, mtr); - - ibuf->height = 1 + btr_page_get_level(root, mtr); - - /* the '1 +' is the ibuf header page */ - ibuf->size = ibuf->seg_size - (1 + ibuf->free_list_len); - - ibuf->empty = page_get_n_recs(root) == 0; -} - -/******************************************************************//** -Creates the insert buffer data structure at a database startup and initializes -the data structures for the insert buffer. */ -UNIV_INTERN -void -ibuf_init_at_db_start(void) -/*=======================*/ -{ - page_t* root; - mtr_t mtr; - dict_table_t* table; - mem_heap_t* heap; - dict_index_t* index; - ulint n_used; - page_t* header_page; - ulint error; - - ibuf = mem_alloc(sizeof(ibuf_t)); - - memset(ibuf, 0, sizeof(*ibuf)); - - /* Note that also a pessimistic delete can sometimes make a B-tree - grow in size, as the references on the upper levels of the tree can - change */ - - ibuf->max_size = buf_pool_get_curr_size() / UNIV_PAGE_SIZE - / IBUF_POOL_SIZE_PER_MAX_SIZE; - - mutex_create(&ibuf_pessimistic_insert_mutex, - SYNC_IBUF_PESS_INSERT_MUTEX); - - mutex_create(&ibuf_mutex, SYNC_IBUF_MUTEX); - - mutex_create(&ibuf_bitmap_mutex, SYNC_IBUF_BITMAP_MUTEX); - - mtr_start(&mtr); - - mutex_enter(&ibuf_mutex); - - mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, NULL), &mtr); - - header_page = ibuf_header_page_get(&mtr); - - fseg_n_reserved_pages(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, - &n_used, &mtr); - ibuf_enter(); - - ut_ad(n_used >= 2); - - ibuf->seg_size = n_used; - - { - buf_block_t* block; - - block = buf_page_get( - IBUF_SPACE_ID, 0, FSP_IBUF_TREE_ROOT_PAGE_NO, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - root = buf_block_get_frame(block); - } - - ibuf_size_update(root, &mtr); - mutex_exit(&ibuf_mutex); - - mtr_commit(&mtr); - - ibuf_exit(); - - heap = mem_heap_create(450); - - /* Use old-style record format for the insert buffer. */ - table = dict_mem_table_create(IBUF_TABLE_NAME, IBUF_SPACE_ID, 1, 0); - - dict_mem_table_add_col(table, heap, "DUMMY_COLUMN", DATA_BINARY, 0, 0); - - table->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); - - dict_table_add_to_cache(table, heap); - mem_heap_free(heap); - - index = dict_mem_index_create( - IBUF_TABLE_NAME, "CLUST_IND", - IBUF_SPACE_ID, DICT_CLUSTERED | DICT_UNIVERSAL | DICT_IBUF, 1); - - dict_mem_index_add_field(index, "DUMMY_COLUMN", 0); - - index->id = ut_dulint_add(DICT_IBUF_ID_MIN, IBUF_SPACE_ID); - - error = dict_index_add_to_cache(table, index, - FSP_IBUF_TREE_ROOT_PAGE_NO, FALSE); - ut_a(error == DB_SUCCESS); - - ibuf->index = dict_table_get_first_index(table); -} -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Initializes an ibuf bitmap page. */ -UNIV_INTERN -void -ibuf_bitmap_page_init( -/*==================*/ - buf_block_t* block, /*!< in: bitmap page */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - ulint byte_offset; - ulint zip_size = buf_block_get_zip_size(block); - - ut_a(ut_is_2pow(zip_size)); - - page = buf_block_get_frame(block); - fil_page_set_type(page, FIL_PAGE_IBUF_BITMAP); - - /* Write all zeros to the bitmap */ - - if (!zip_size) { - byte_offset = UT_BITS_IN_BYTES(UNIV_PAGE_SIZE - * IBUF_BITS_PER_PAGE); - } else { - byte_offset = UT_BITS_IN_BYTES(zip_size * IBUF_BITS_PER_PAGE); - } - - memset(page + IBUF_BITMAP, 0, byte_offset); - - /* The remaining area (up to the page trailer) is uninitialized. */ - -#ifndef UNIV_HOTBACKUP - mlog_write_initial_log_record(page, MLOG_IBUF_BITMAP_INIT, mtr); -#endif /* !UNIV_HOTBACKUP */ -} - -/*********************************************************************//** -Parses a redo log record of an ibuf bitmap page init. -@return end of log record or NULL */ -UNIV_INTERN -byte* -ibuf_parse_bitmap_init( -/*===================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ - buf_block_t* block, /*!< in: block or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ut_ad(ptr && end_ptr); - - if (block) { - ibuf_bitmap_page_init(block, mtr); - } - - return(ptr); -} -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Gets the desired bits for a given page from a bitmap page. -@return value of bits */ -UNIV_INLINE -ulint -ibuf_bitmap_page_get_bits( -/*======================*/ - const page_t* page, /*!< in: bitmap page */ - ulint page_no,/*!< in: page whose bits to get */ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint bit, /*!< in: IBUF_BITMAP_FREE, - IBUF_BITMAP_BUFFERED, ... */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mtr containing an - x-latch to the bitmap page */ -{ - ulint byte_offset; - ulint bit_offset; - ulint map_byte; - ulint value; - - ut_ad(bit < IBUF_BITS_PER_PAGE); -#if IBUF_BITS_PER_PAGE % 2 -# error "IBUF_BITS_PER_PAGE % 2 != 0" -#endif - ut_ad(ut_is_2pow(zip_size)); - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); - - if (!zip_size) { - bit_offset = (page_no % UNIV_PAGE_SIZE) * IBUF_BITS_PER_PAGE - + bit; - } else { - bit_offset = (page_no & (zip_size - 1)) * IBUF_BITS_PER_PAGE - + bit; - } - - byte_offset = bit_offset / 8; - bit_offset = bit_offset % 8; - - ut_ad(byte_offset + IBUF_BITMAP < UNIV_PAGE_SIZE); - - map_byte = mach_read_from_1(page + IBUF_BITMAP + byte_offset); - - value = ut_bit_get_nth(map_byte, bit_offset); - - if (bit == IBUF_BITMAP_FREE) { - ut_ad(bit_offset + 1 < 8); - - value = value * 2 + ut_bit_get_nth(map_byte, bit_offset + 1); - } - - return(value); -} - -/********************************************************************//** -Sets the desired bit for a given page in a bitmap page. */ -static -void -ibuf_bitmap_page_set_bits( -/*======================*/ - page_t* page, /*!< in: bitmap page */ - ulint page_no,/*!< in: page whose bits to set */ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint bit, /*!< in: IBUF_BITMAP_FREE, IBUF_BITMAP_BUFFERED, ... */ - ulint val, /*!< in: value to set */ - mtr_t* mtr) /*!< in: mtr containing an x-latch to the bitmap page */ -{ - ulint byte_offset; - ulint bit_offset; - ulint map_byte; - - ut_ad(bit < IBUF_BITS_PER_PAGE); -#if IBUF_BITS_PER_PAGE % 2 -# error "IBUF_BITS_PER_PAGE % 2 != 0" -#endif - ut_ad(ut_is_2pow(zip_size)); - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a((bit != IBUF_BITMAP_BUFFERED) || (val != FALSE) - || (0 == ibuf_count_get(page_get_space_id(page), - page_no))); -#endif - if (!zip_size) { - bit_offset = (page_no % UNIV_PAGE_SIZE) * IBUF_BITS_PER_PAGE - + bit; - } else { - bit_offset = (page_no & (zip_size - 1)) * IBUF_BITS_PER_PAGE - + bit; - } - - byte_offset = bit_offset / 8; - bit_offset = bit_offset % 8; - - ut_ad(byte_offset + IBUF_BITMAP < UNIV_PAGE_SIZE); - - map_byte = mach_read_from_1(page + IBUF_BITMAP + byte_offset); - - if (bit == IBUF_BITMAP_FREE) { - ut_ad(bit_offset + 1 < 8); - ut_ad(val <= 3); - - map_byte = ut_bit_set_nth(map_byte, bit_offset, val / 2); - map_byte = ut_bit_set_nth(map_byte, bit_offset + 1, val % 2); - } else { - ut_ad(val <= 1); - map_byte = ut_bit_set_nth(map_byte, bit_offset, val); - } - - mlog_write_ulint(page + IBUF_BITMAP + byte_offset, map_byte, - MLOG_1BYTE, mtr); -} - -/********************************************************************//** -Calculates the bitmap page number for a given page number. -@return the bitmap page number where the file page is mapped */ -UNIV_INLINE -ulint -ibuf_bitmap_page_no_calc( -/*=====================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no) /*!< in: tablespace page number */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return(FSP_IBUF_BITMAP_OFFSET - + (page_no & ~(UNIV_PAGE_SIZE - 1))); - } else { - return(FSP_IBUF_BITMAP_OFFSET - + (page_no & ~(zip_size - 1))); - } -} - -/********************************************************************//** -Gets the ibuf bitmap page where the bits describing a given file page are -stored. -@return bitmap page where the file page is mapped, that is, the bitmap -page containing the descriptor bits for the file page; the bitmap page -is x-latched */ -static -page_t* -ibuf_bitmap_get_map_page_func( -/*==========================*/ - ulint space, /*!< in: space id of the file page */ - ulint page_no,/*!< in: page number of the file page */ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - - block = buf_page_get_gen(space, zip_size, - ibuf_bitmap_page_no_calc(zip_size, page_no), - RW_X_LATCH, NULL, BUF_GET, - file, line, mtr); - buf_block_dbg_add_level(block, SYNC_IBUF_BITMAP); - - return(buf_block_get_frame(block)); -} - -/********************************************************************//** -Gets the ibuf bitmap page where the bits describing a given file page are -stored. -@return bitmap page where the file page is mapped, that is, the bitmap -page containing the descriptor bits for the file page; the bitmap page -is x-latched -@param space in: space id of the file page -@param page_no in: page number of the file page -@param zip_size in: compressed page size in bytes; 0 for uncompressed pages -@param mtr in: mini-transaction */ -#define ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr) \ - ibuf_bitmap_get_map_page_func(space, page_no, zip_size, \ - __FILE__, __LINE__, mtr) - -/************************************************************************//** -Sets the free bits of the page in the ibuf bitmap. This is done in a separate -mini-transaction, hence this operation does not restrict further work to only -ibuf bitmap operations, which would result if the latch to the bitmap page -were kept. */ -UNIV_INLINE -void -ibuf_set_free_bits_low( -/*===================*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - const buf_block_t* block, /*!< in: index page; free bits are set if - the index is non-clustered and page - level is 0 */ - ulint val, /*!< in: value to set: < 4 */ - mtr_t* mtr) /*!< in/out: mtr */ -{ - page_t* bitmap_page; - ulint space; - ulint page_no; - - if (!page_is_leaf(buf_block_get_frame(block))) { - - return; - } - - space = buf_block_get_space(block); - page_no = buf_block_get_page_no(block); - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); -#ifdef UNIV_IBUF_DEBUG -# if 0 - fprintf(stderr, - "Setting space %lu page %lu free bits to %lu should be %lu\n", - space, page_no, val, - ibuf_index_page_calc_free(zip_size, block)); -# endif - - ut_a(val <= ibuf_index_page_calc_free(zip_size, block)); -#endif /* UNIV_IBUF_DEBUG */ - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, val, mtr); -} - -/************************************************************************//** -Sets the free bit of the page in the ibuf bitmap. This is done in a separate -mini-transaction, hence this operation does not restrict further work to only -ibuf bitmap operations, which would result if the latch to the bitmap page -were kept. */ -UNIV_INTERN -void -ibuf_set_free_bits_func( -/*====================*/ - buf_block_t* block, /*!< in: index page of a non-clustered index; - free bit is reset if page level is 0 */ -#ifdef UNIV_IBUF_DEBUG - ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum - value which the bits must have before - setting; this is for debugging */ -#endif /* UNIV_IBUF_DEBUG */ - ulint val) /*!< in: value to set: < 4 */ -{ - mtr_t mtr; - page_t* page; - page_t* bitmap_page; - ulint space; - ulint page_no; - ulint zip_size; - - page = buf_block_get_frame(block); - - if (!page_is_leaf(page)) { - - return; - } - - mtr_start(&mtr); - - space = buf_block_get_space(block); - page_no = buf_block_get_page_no(block); - zip_size = buf_block_get_zip_size(block); - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, &mtr); - -#ifdef UNIV_IBUF_DEBUG - if (max_val != ULINT_UNDEFINED) { - ulint old_val; - - old_val = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, &mtr); -# if 0 - if (old_val != max_val) { - fprintf(stderr, - "Ibuf: page %lu old val %lu max val %lu\n", - page_get_page_no(page), - old_val, max_val); - } -# endif - - ut_a(old_val <= max_val); - } -# if 0 - fprintf(stderr, "Setting page no %lu free bits to %lu should be %lu\n", - page_get_page_no(page), val, - ibuf_index_page_calc_free(zip_size, block)); -# endif - - ut_a(val <= ibuf_index_page_calc_free(zip_size, block)); -#endif /* UNIV_IBUF_DEBUG */ - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, val, &mtr); - mtr_commit(&mtr); -} - -/************************************************************************//** -Resets the free bits of the page in the ibuf bitmap. This is done in a -separate mini-transaction, hence this operation does not restrict -further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to decrement or reset the bits in the bitmap in a mini-transaction -that is committed before the mini-transaction that affects the free -space. */ -UNIV_INTERN -void -ibuf_reset_free_bits( -/*=================*/ - buf_block_t* block) /*!< in: index page; free bits are set to 0 - if the index is a non-clustered - non-unique, and page level is 0 */ -{ - ibuf_set_free_bits(block, 0, ULINT_UNDEFINED); -} - -/**********************************************************************//** -Updates the free bits for an uncompressed page to reflect the present -state. Does this in the mtr given, which means that the latching -order rules virtually prevent any further operations for this OS -thread until mtr is committed. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to set the free bits in the same mini-transaction that updated the -page. */ -UNIV_INTERN -void -ibuf_update_free_bits_low( -/*======================*/ - const buf_block_t* block, /*!< in: index page */ - ulint max_ins_size, /*!< in: value of - maximum insert size - with reorganize before - the latest operation - performed to the page */ - mtr_t* mtr) /*!< in/out: mtr */ -{ - ulint before; - ulint after; - - ut_a(!buf_block_get_page_zip(block)); - - before = ibuf_index_page_calc_free_bits(0, max_ins_size); - - after = ibuf_index_page_calc_free(0, block); - - /* This approach cannot be used on compressed pages, since the - computed value of "before" often does not match the current - state of the bitmap. This is because the free space may - increase or decrease when a compressed page is reorganized. */ - if (before != after) { - ibuf_set_free_bits_low(0, block, after, mtr); - } -} - -/**********************************************************************//** -Updates the free bits for a compressed page to reflect the present -state. Does this in the mtr given, which means that the latching -order rules virtually prevent any further operations for this OS -thread until mtr is committed. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to set the free bits in the same mini-transaction that updated the -page. */ -UNIV_INTERN -void -ibuf_update_free_bits_zip( -/*======================*/ - buf_block_t* block, /*!< in/out: index page */ - mtr_t* mtr) /*!< in/out: mtr */ -{ - page_t* bitmap_page; - ulint space; - ulint page_no; - ulint zip_size; - ulint after; - - space = buf_block_get_space(block); - page_no = buf_block_get_page_no(block); - zip_size = buf_block_get_zip_size(block); - - ut_a(page_is_leaf(buf_block_get_frame(block))); - ut_a(zip_size); - - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); - - after = ibuf_index_page_calc_free_zip(zip_size, block); - - if (after == 0) { - /* We move the page to the front of the buffer pool LRU list: - the purpose of this is to prevent those pages to which we - cannot make inserts using the insert buffer from slipping - out of the buffer pool */ - - buf_page_make_young(&block->page); - } - - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, after, mtr); -} - -/**********************************************************************//** -Updates the free bits for the two pages to reflect the present state. -Does this in the mtr given, which means that the latching order rules -virtually prevent any further operations until mtr is committed. -NOTE: The free bits in the insert buffer bitmap must never exceed the -free space on a page. It is safe to set the free bits in the same -mini-transaction that updated the pages. */ -UNIV_INTERN -void -ibuf_update_free_bits_for_two_pages_low( -/*====================================*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - buf_block_t* block1, /*!< in: index page */ - buf_block_t* block2, /*!< in: index page */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint state; - - /* As we have to x-latch two random bitmap pages, we have to acquire - the bitmap mutex to prevent a deadlock with a similar operation - performed by another OS thread. */ - - mutex_enter(&ibuf_bitmap_mutex); - - state = ibuf_index_page_calc_free(zip_size, block1); - - ibuf_set_free_bits_low(zip_size, block1, state, mtr); - - state = ibuf_index_page_calc_free(zip_size, block2); - - ibuf_set_free_bits_low(zip_size, block2, state, mtr); - - mutex_exit(&ibuf_bitmap_mutex); -} - -/**********************************************************************//** -Returns TRUE if the page is one of the fixed address ibuf pages. -@return TRUE if a fixed address ibuf i/o page */ -UNIV_INLINE -ibool -ibuf_fixed_addr_page( -/*=================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no)/*!< in: page number */ -{ - return((space == IBUF_SPACE_ID && page_no == IBUF_TREE_ROOT_PAGE_NO) - || ibuf_bitmap_page(zip_size, page_no)); -} - -/***********************************************************************//** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. -Must not be called when recv_no_ibuf_operations==TRUE. -@return TRUE if level 2 or level 3 page */ -UNIV_INTERN -ibool -ibuf_page( -/*======*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number */ - mtr_t* mtr) /*!< in: mtr which will contain an x-latch to the - bitmap page if the page is not one of the fixed - address ibuf pages, or NULL, in which case a new - transaction is created. */ -{ - ibool ret; - mtr_t local_mtr; - page_t* bitmap_page; - - ut_ad(!recv_no_ibuf_operations); - - if (ibuf_fixed_addr_page(space, zip_size, page_no)) { - - return(TRUE); - } else if (space != IBUF_SPACE_ID) { - - return(FALSE); - } - - ut_ad(fil_space_get_type(IBUF_SPACE_ID) == FIL_TABLESPACE); - - if (mtr == NULL) { - mtr = &local_mtr; - mtr_start(mtr); - } - - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr); - - ret = ibuf_bitmap_page_get_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_IBUF, mtr); - - if (mtr == &local_mtr) { - mtr_commit(mtr); - } - - return(ret); -} - -/********************************************************************//** -Returns the page number field of an ibuf record. -@return page number */ -static -ulint -ibuf_rec_get_page_no( -/*=================*/ - const rec_t* rec) /*!< in: ibuf record */ -{ - const byte* field; - ulint len; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); - - field = rec_get_nth_field_old(rec, 1, &len); - - if (len == 1) { - /* This is of the >= 4.1.x record format */ - ut_a(trx_sys_multiple_tablespace_format); - - field = rec_get_nth_field_old(rec, 2, &len); - } else { - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - field = rec_get_nth_field_old(rec, 0, &len); - } - - ut_a(len == 4); - - return(mach_read_from_4(field)); -} - -/********************************************************************//** -Returns the space id field of an ibuf record. For < 4.1.x format records -returns 0. -@return space id */ -static -ulint -ibuf_rec_get_space( -/*===============*/ - const rec_t* rec) /*!< in: ibuf record */ -{ - const byte* field; - ulint len; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); - - field = rec_get_nth_field_old(rec, 1, &len); - - if (len == 1) { - /* This is of the >= 4.1.x record format */ - - ut_a(trx_sys_multiple_tablespace_format); - field = rec_get_nth_field_old(rec, 0, &len); - ut_a(len == 4); - - return(mach_read_from_4(field)); - } - - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - return(0); -} - -/****************************************************************//** -Get various information about an ibuf record in >= 4.1.x format. */ -static -void -ibuf_rec_get_info( -/*==============*/ - const rec_t* rec, /*!< in: ibuf record */ - ibuf_op_t* op, /*!< out: operation type, or NULL */ - ibool* comp, /*!< out: compact flag, or NULL */ - ulint* info_len, /*!< out: length of info fields at the - start of the fourth field, or - NULL */ - ulint* counter) /*!< in: counter value, or NULL */ -{ - const byte* types; - ulint fields; - ulint len; - - /* Local variables to shadow arguments. */ - ibuf_op_t op_local; - ibool comp_local; - ulint info_len_local; - ulint counter_local; - - ut_ad(ibuf_inside()); - fields = rec_get_n_fields_old(rec); - ut_a(fields > 4); - - types = rec_get_nth_field_old(rec, 3, &len); - - info_len_local = len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; - - switch (info_len_local) { - case 0: - case 1: - op_local = IBUF_OP_INSERT; - comp_local = info_len_local; - ut_ad(!counter); - counter_local = ULINT_UNDEFINED; - break; - - case IBUF_REC_INFO_SIZE: - op_local = (ibuf_op_t)types[IBUF_REC_OFFSET_TYPE]; - comp_local = types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT; - counter_local = mach_read_from_2( - types + IBUF_REC_OFFSET_COUNTER); - break; - - default: - ut_error; - } - - ut_a(op_local < IBUF_OP_COUNT); - ut_a((len - info_len_local) == - (fields - 4) * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - - if (op) { - *op = op_local; - } - - if (comp) { - *comp = comp_local; - } - - if (info_len) { - *info_len = info_len_local; - } - - if (counter) { - *counter = counter_local; - } -} - -/****************************************************************//** -Returns the operation type field of an ibuf record. -@return operation type */ -static -ibuf_op_t -ibuf_rec_get_op_type( -/*=================*/ - const rec_t* rec) /*!< in: ibuf record */ -{ - ulint len; - const byte* field; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); - - field = rec_get_nth_field_old(rec, 1, &len); - - if (len > 1) { - /* This is a < 4.1.x format record */ - - return(IBUF_OP_INSERT); - } else { - ibuf_op_t op; - - ibuf_rec_get_info(rec, &op, NULL, NULL, NULL); - - return(op); - } -} - -/****************************************************************//** -Read the first two bytes from a record's fourth field (counter field in new -records; something else in older records). -@return "counter" field, or ULINT_UNDEFINED if for some reason it -can't be read */ -UNIV_INTERN -ulint -ibuf_rec_get_counter( -/*=================*/ - const rec_t* rec) /*!< in: ibuf record */ -{ - const byte* ptr; - ulint len; - - if (rec_get_n_fields_old(rec) < 4) { - - return(ULINT_UNDEFINED); - } - - ptr = rec_get_nth_field_old(rec, 3, &len); - - if (len >= 2) { - - return(mach_read_from_2(ptr)); - } else { - - return(ULINT_UNDEFINED); - } -} - -/****************************************************************//** -Add accumulated operation counts to a permanent array. Both arrays must be -of size IBUF_OP_COUNT. */ -static -void -ibuf_add_ops( -/*=========*/ - ulint* arr, /*!< in/out: array to modify */ - const ulint* ops) /*!< in: operation counts */ - -{ - ulint i; - - for (i = 0; i < IBUF_OP_COUNT; i++) { - arr[i] += ops[i]; - } -} - -/****************************************************************//** -Print operation counts. The array must be of size IBUF_OP_COUNT. */ -static -void -ibuf_print_ops( -/*===========*/ - const ulint* ops, /*!< in: operation counts */ - FILE* file) /*!< in: file where to print */ -{ - static const char* op_names[] = { - "insert", - "delete mark", - "delete" - }; - ulint i; - - ut_a(UT_ARR_SIZE(op_names) == IBUF_OP_COUNT); - - for (i = 0; i < IBUF_OP_COUNT; i++) { - fprintf(file, "%s %lu%s", op_names[i], - (ulong) ops[i], (i < (IBUF_OP_COUNT - 1)) ? ", " : ""); - } - - putc('\n', file); -} - -/********************************************************************//** -Creates a dummy index for inserting a record to a non-clustered index. -@return dummy index */ -static -dict_index_t* -ibuf_dummy_index_create( -/*====================*/ - ulint n, /*!< in: number of fields */ - ibool comp) /*!< in: TRUE=use compact record format */ -{ - dict_table_t* table; - dict_index_t* index; - - table = dict_mem_table_create("IBUF_DUMMY", - DICT_HDR_SPACE, n, - comp ? DICT_TF_COMPACT : 0); - - index = dict_mem_index_create("IBUF_DUMMY", "IBUF_DUMMY", - DICT_HDR_SPACE, 0, n); - - index->table = table; - - /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ - index->cached = TRUE; - - return(index); -} -/********************************************************************//** -Add a column to the dummy index */ -static -void -ibuf_dummy_index_add_col( -/*=====================*/ - dict_index_t* index, /*!< in: dummy index */ - const dtype_t* type, /*!< in: the data type of the column */ - ulint len) /*!< in: length of the column */ -{ - ulint i = index->table->n_def; - dict_mem_table_add_col(index->table, NULL, NULL, - dtype_get_mtype(type), - dtype_get_prtype(type), - dtype_get_len(type)); - dict_index_add_col(index, index->table, - dict_table_get_nth_col(index->table, i), len); -} -/********************************************************************//** -Deallocates a dummy index for inserting a record to a non-clustered index. */ -static -void -ibuf_dummy_index_free( -/*==================*/ - dict_index_t* index) /*!< in, own: dummy index */ -{ - dict_table_t* table = index->table; - - dict_mem_index_free(index); - dict_mem_table_free(table); -} - -/*********************************************************************//** -Builds the entry to insert into a non-clustered index when we have the -corresponding record in an ibuf index. - -NOTE that as we copy pointers to fields in ibuf_rec, the caller must -hold a latch to the ibuf_rec page as long as the entry is used! - -@return own: entry to insert to a non-clustered index */ -UNIV_INLINE -dtuple_t* -ibuf_build_entry_pre_4_1_x( -/*=======================*/ - const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ - mem_heap_t* heap, /*!< in: heap where built */ - dict_index_t** pindex) /*!< out, own: dummy index that - describes the entry */ -{ - ulint i; - ulint len; - const byte* types; - dtuple_t* tuple; - ulint n_fields; - - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - n_fields = rec_get_n_fields_old(ibuf_rec) - 2; - tuple = dtuple_create(heap, n_fields); - types = rec_get_nth_field_old(ibuf_rec, 1, &len); - - ut_a(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); - - for (i = 0; i < n_fields; i++) { - const byte* data; - dfield_t* field; - - field = dtuple_get_nth_field(tuple, i); - - data = rec_get_nth_field_old(ibuf_rec, i + 2, &len); - - dfield_set_data(field, data, len); - - dtype_read_for_order_and_null_size( - dfield_get_type(field), - types + i * DATA_ORDER_NULL_TYPE_BUF_SIZE); - } - - *pindex = ibuf_dummy_index_create(n_fields, FALSE); - - return(tuple); -} - -/*********************************************************************//** -Builds the entry used to - -1) IBUF_OP_INSERT: insert into a non-clustered index - -2) IBUF_OP_DELETE_MARK: find the record whose delete-mark flag we need to - activate - -3) IBUF_OP_DELETE: find the record we need to delete - -when we have the corresponding record in an ibuf index. - -NOTE that as we copy pointers to fields in ibuf_rec, the caller must -hold a latch to the ibuf_rec page as long as the entry is used! - -@return own: entry to insert to a non-clustered index */ -static -dtuple_t* -ibuf_build_entry_from_ibuf_rec( -/*===========================*/ - const rec_t* ibuf_rec, /*!< in: record in an insert buffer */ - mem_heap_t* heap, /*!< in: heap where built */ - dict_index_t** pindex) /*!< out, own: dummy index that - describes the entry */ -{ - dtuple_t* tuple; - dfield_t* field; - ulint n_fields; - const byte* types; - const byte* data; - ulint len; - ulint info_len; - ulint i; - ulint comp; - dict_index_t* index; - - data = rec_get_nth_field_old(ibuf_rec, 1, &len); - - if (len > 1) { - /* This a < 4.1.x format record */ - - return(ibuf_build_entry_pre_4_1_x(ibuf_rec, heap, pindex)); - } - - /* This a >= 4.1.x format record */ - - ut_a(trx_sys_multiple_tablespace_format); - ut_a(*data == 0); - ut_a(rec_get_n_fields_old(ibuf_rec) > 4); - - n_fields = rec_get_n_fields_old(ibuf_rec) - 4; - - tuple = dtuple_create(heap, n_fields); - - types = rec_get_nth_field_old(ibuf_rec, 3, &len); - - ibuf_rec_get_info(ibuf_rec, NULL, &comp, &info_len, NULL); - - index = ibuf_dummy_index_create(n_fields, comp); - - len -= info_len; - types += info_len; - - ut_a(len == n_fields * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - - for (i = 0; i < n_fields; i++) { - field = dtuple_get_nth_field(tuple, i); - - data = rec_get_nth_field_old(ibuf_rec, i + 4, &len); - - dfield_set_data(field, data, len); - - dtype_new_read_for_order_and_null_size( - dfield_get_type(field), - types + i * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - - ibuf_dummy_index_add_col(index, dfield_get_type(field), len); - } - - /* Prevent an ut_ad() failure in page_zip_write_rec() by - adding system columns to the dummy table pointed to by the - dummy secondary index. The insert buffer is only used for - secondary indexes, whose records never contain any system - columns, such as DB_TRX_ID. */ - ut_d(dict_table_add_system_columns(index->table, index->table->heap)); - - *pindex = index; - - return(tuple); -} - -/******************************************************************//** -Get the data size. -@return size of fields */ -UNIV_INLINE -ulint -ibuf_rec_get_size( -/*==============*/ - const rec_t* rec, /*!< in: ibuf record */ - const byte* types, /*!< in: fields */ - ulint n_fields, /*!< in: number of fields */ - ibool pre_4_1, /*!< in: TRUE=pre-4.1 format, - FALSE=newer */ - ulint comp) /*!< in: 0=ROW_FORMAT=REDUNDANT, - nonzero=ROW_FORMAT=COMPACT */ -{ - ulint i; - ulint field_offset; - ulint types_offset; - ulint size = 0; - - if (pre_4_1) { - field_offset = 2; - types_offset = DATA_ORDER_NULL_TYPE_BUF_SIZE; - } else { - field_offset = 4; - types_offset = DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; - } - - for (i = 0; i < n_fields; i++) { - ulint len; - dtype_t dtype; - - rec_get_nth_field_offs_old(rec, i + field_offset, &len); - - if (len != UNIV_SQL_NULL) { - size += len; - } else if (pre_4_1) { - dtype_read_for_order_and_null_size(&dtype, types); - - size += dtype_get_sql_null_size(&dtype, comp); - } else { - dtype_new_read_for_order_and_null_size(&dtype, types); - - size += dtype_get_sql_null_size(&dtype, comp); - } - - types += types_offset; - } - - return(size); -} - -/********************************************************************//** -Returns the space taken by a stored non-clustered index entry if converted to -an index record. -@return size of index record in bytes + an upper limit of the space -taken in the page directory */ -static -ulint -ibuf_rec_get_volume( -/*================*/ - const rec_t* ibuf_rec)/*!< in: ibuf record */ -{ - ulint len; - const byte* data; - const byte* types; - ulint n_fields; - ulint data_size; - ibool pre_4_1; - ulint comp; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(ibuf_rec) > 2); - - data = rec_get_nth_field_old(ibuf_rec, 1, &len); - pre_4_1 = (len > 1); - - if (pre_4_1) { - /* < 4.1.x format record */ - - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - n_fields = rec_get_n_fields_old(ibuf_rec) - 2; - - types = rec_get_nth_field_old(ibuf_rec, 1, &len); - - ut_ad(len == n_fields * DATA_ORDER_NULL_TYPE_BUF_SIZE); - comp = 0; - } else { - /* >= 4.1.x format record */ - ibuf_op_t op; - ulint info_len; - - ut_a(trx_sys_multiple_tablespace_format); - ut_a(*data == 0); - - types = rec_get_nth_field_old(ibuf_rec, 3, &len); - - ibuf_rec_get_info(ibuf_rec, &op, &comp, &info_len, NULL); - - if (op == IBUF_OP_DELETE_MARK || op == IBUF_OP_DELETE) { - /* Delete-marking a record doesn't take any - additional space, and while deleting a record - actually frees up space, we have to play it safe and - pretend it takes no additional space (the record - might not exist, etc.). */ - - return(0); - } else if (comp) { - dtuple_t* entry; - ulint volume; - dict_index_t* dummy_index; - mem_heap_t* heap = mem_heap_create(500); - - entry = ibuf_build_entry_from_ibuf_rec( - ibuf_rec, heap, &dummy_index); - - volume = rec_get_converted_size(dummy_index, entry, 0); - - ibuf_dummy_index_free(dummy_index); - mem_heap_free(heap); - - return(volume + page_dir_calc_reserved_space(1)); - } - - types += info_len; - n_fields = rec_get_n_fields_old(ibuf_rec) - 4; - } - - data_size = ibuf_rec_get_size(ibuf_rec, types, n_fields, pre_4_1, comp); - - return(data_size + rec_get_converted_extra_size(data_size, n_fields, 0) - + page_dir_calc_reserved_space(1)); -} - -/*********************************************************************//** -Builds the tuple to insert to an ibuf tree when we have an entry for a -non-clustered index. - -NOTE that the original entry must be kept because we copy pointers to -its fields. - -@return own: entry to insert into an ibuf index tree */ -static -dtuple_t* -ibuf_entry_build( -/*=============*/ - ibuf_op_t op, /*!< in: operation type */ - dict_index_t* index, /*!< in: non-clustered index */ - const dtuple_t* entry, /*!< in: entry for a non-clustered index */ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: index page number where entry should - be inserted */ - ulint counter,/*!< in: counter value; - ULINT_UNDEFINED=not used */ - mem_heap_t* heap) /*!< in: heap into which to build */ -{ - dtuple_t* tuple; - dfield_t* field; - const dfield_t* entry_field; - ulint n_fields; - byte* buf; - byte* ti; - byte* type_info; - ulint i; - - ut_ad(counter != ULINT_UNDEFINED || op == IBUF_OP_INSERT); - ut_ad(counter == ULINT_UNDEFINED || counter <= 0xFFFF); - ut_ad(op < IBUF_OP_COUNT); - - /* We have to build a tuple with the following fields: - - 1-4) These are described at the top of this file. - - 5) The rest of the fields are copied from the entry. - - All fields in the tuple are ordered like the type binary in our - insert buffer tree. */ - - n_fields = dtuple_get_n_fields(entry); - - tuple = dtuple_create(heap, n_fields + 4); - - /* 1) Space Id */ - - field = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, space); - - dfield_set_data(field, buf, 4); - - /* 2) Marker byte */ - - field = dtuple_get_nth_field(tuple, 1); - - buf = mem_heap_alloc(heap, 1); - - /* We set the marker byte zero */ - - mach_write_to_1(buf, 0); - - dfield_set_data(field, buf, 1); - - /* 3) Page number */ - - field = dtuple_get_nth_field(tuple, 2); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, page_no); - - dfield_set_data(field, buf, 4); - - /* 4) Type info, part #1 */ - - if (counter == ULINT_UNDEFINED) { - i = dict_table_is_comp(index->table) ? 1 : 0; - } else { - ut_ad(counter <= 0xFFFF); - i = IBUF_REC_INFO_SIZE; - } - - ti = type_info = mem_heap_alloc(heap, i + n_fields - * DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE); - - switch (i) { - default: - ut_error; - break; - case 1: - /* set the flag for ROW_FORMAT=COMPACT */ - *ti++ = 0; - /* fall through */ - case 0: - /* the old format does not allow delete buffering */ - ut_ad(op == IBUF_OP_INSERT); - break; - case IBUF_REC_INFO_SIZE: - mach_write_to_2(ti + IBUF_REC_OFFSET_COUNTER, counter); - - ti[IBUF_REC_OFFSET_TYPE] = (byte) op; - ti[IBUF_REC_OFFSET_FLAGS] = dict_table_is_comp(index->table) - ? IBUF_REC_COMPACT : 0; - ti += IBUF_REC_INFO_SIZE; - break; - } - - /* 5+) Fields from the entry */ - - for (i = 0; i < n_fields; i++) { - ulint fixed_len; - const dict_field_t* ifield; - - /* We add 4 below because we have the 4 extra fields at the - start of an ibuf record */ - - field = dtuple_get_nth_field(tuple, i + 4); - entry_field = dtuple_get_nth_field(entry, i); - dfield_copy(field, entry_field); - - ifield = dict_index_get_nth_field(index, i); - /* Prefix index columns of fixed-length columns are of - fixed length. However, in the function call below, - dfield_get_type(entry_field) contains the fixed length - of the column in the clustered index. Replace it with - the fixed length of the secondary index column. */ - fixed_len = ifield->fixed_len; - -#ifdef UNIV_DEBUG - if (fixed_len) { - /* dict_index_add_col() should guarantee these */ - ut_ad(fixed_len <= (ulint) - dfield_get_type(entry_field)->len); - if (ifield->prefix_len) { - ut_ad(ifield->prefix_len == fixed_len); - } else { - ut_ad(fixed_len == (ulint) - dfield_get_type(entry_field)->len); - } - } -#endif /* UNIV_DEBUG */ - - dtype_new_store_for_order_and_null_size( - ti, dfield_get_type(entry_field), fixed_len); - ti += DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE; - } - - /* 4) Type info, part #2 */ - - field = dtuple_get_nth_field(tuple, 3); - - dfield_set_data(field, type_info, ti - type_info); - - /* Set all the types in the new tuple binary */ - - dtuple_set_types_binary(tuple, n_fields + 4); - - return(tuple); -} - -/*********************************************************************//** -Builds a search tuple used to search buffered inserts for an index page. -This is for < 4.1.x format records -@return own: search tuple */ -static -dtuple_t* -ibuf_search_tuple_build( -/*====================*/ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: index page number */ - mem_heap_t* heap) /*!< in: heap into which to build */ -{ - dtuple_t* tuple; - dfield_t* field; - byte* buf; - - ut_a(space == 0); - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - tuple = dtuple_create(heap, 1); - - /* Store the page number in tuple */ - - field = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, page_no); - - dfield_set_data(field, buf, 4); - - dtuple_set_types_binary(tuple, 1); - - return(tuple); -} - -/*********************************************************************//** -Builds a search tuple used to search buffered inserts for an index page. -This is for >= 4.1.x format records. -@return own: search tuple */ -static -dtuple_t* -ibuf_new_search_tuple_build( -/*========================*/ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: index page number */ - mem_heap_t* heap) /*!< in: heap into which to build */ -{ - dtuple_t* tuple; - dfield_t* field; - byte* buf; - - ut_a(trx_sys_multiple_tablespace_format); - - tuple = dtuple_create(heap, 3); - - /* Store the space id in tuple */ - - field = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, space); - - dfield_set_data(field, buf, 4); - - /* Store the new format record marker byte */ - - field = dtuple_get_nth_field(tuple, 1); - - buf = mem_heap_alloc(heap, 1); - - mach_write_to_1(buf, 0); - - dfield_set_data(field, buf, 1); - - /* Store the page number in tuple */ - - field = dtuple_get_nth_field(tuple, 2); - - buf = mem_heap_alloc(heap, 4); - - mach_write_to_4(buf, page_no); - - dfield_set_data(field, buf, 4); - - dtuple_set_types_binary(tuple, 3); - - return(tuple); -} - -/*********************************************************************//** -Checks if there are enough pages in the free list of the ibuf tree that we -dare to start a pessimistic insert to the insert buffer. -@return TRUE if enough free pages in list */ -UNIV_INLINE -ibool -ibuf_data_enough_free_for_insert(void) -/*==================================*/ -{ - ut_ad(mutex_own(&ibuf_mutex)); - - /* We want a big margin of free pages, because a B-tree can sometimes - grow in size also if records are deleted from it, as the node pointers - can change, and we must make sure that we are able to delete the - inserts buffered for pages that we read to the buffer pool, without - any risk of running out of free space in the insert buffer. */ - - return(ibuf->free_list_len >= (ibuf->size / 2) + 3 * ibuf->height); -} - -/*********************************************************************//** -Checks if there are enough pages in the free list of the ibuf tree that we -should remove them and free to the file space management. -@return TRUE if enough free pages in list */ -UNIV_INLINE -ibool -ibuf_data_too_much_free(void) -/*=========================*/ -{ - ut_ad(mutex_own(&ibuf_mutex)); - - return(ibuf->free_list_len >= 3 + (ibuf->size / 2) + 3 * ibuf->height); -} - -/*********************************************************************//** -Allocates a new page from the ibuf file segment and adds it to the free -list. -@return DB_SUCCESS, or DB_STRONG_FAIL if no space left */ -static -ulint -ibuf_add_free_page(void) -/*====================*/ -{ - mtr_t mtr; - page_t* header_page; - ulint flags; - ulint zip_size; - ulint page_no; - page_t* page; - page_t* root; - page_t* bitmap_page; - - mtr_start(&mtr); - - /* Acquire the fsp latch before the ibuf header, obeying the latching - order */ - mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - header_page = ibuf_header_page_get(&mtr); - - /* Allocate a new page: NOTE that if the page has been a part of a - non-clustered index which has subsequently been dropped, then the - page may have buffered inserts in the insert buffer, and these - should be deleted from there. These get deleted when the page - allocation creates the page in buffer. Thus the call below may end - up calling the insert buffer routines and, as we yet have no latches - to insert buffer tree pages, these routines can run without a risk - of a deadlock. This is the reason why we created a special ibuf - header page apart from the ibuf tree. */ - - page_no = fseg_alloc_free_page( - header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, 0, FSP_UP, - &mtr); - - if (page_no == FIL_NULL) { - mtr_commit(&mtr); - - return(DB_STRONG_FAIL); - } - - { - buf_block_t* block; - - block = buf_page_get( - IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE_NEW); - - - page = buf_block_get_frame(block); - } - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - - root = ibuf_tree_root_get(&mtr); - - /* Add the page to the free list and update the ibuf size data */ - - flst_add_last(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, &mtr); - - mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_IBUF_FREE_LIST, - MLOG_2BYTES, &mtr); - - ibuf->seg_size++; - ibuf->free_list_len++; - - /* Set the bit indicating that this page is now an ibuf tree page - (level 2 page) */ - - bitmap_page = ibuf_bitmap_get_map_page( - IBUF_SPACE_ID, page_no, zip_size, &mtr); - - ibuf_bitmap_page_set_bits( - bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, TRUE, &mtr); - - mtr_commit(&mtr); - - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Removes a page from the free list and frees it to the fsp system. */ -static -void -ibuf_remove_free_page(void) -/*=======================*/ -{ - mtr_t mtr; - mtr_t mtr2; - page_t* header_page; - ulint flags; - ulint zip_size; - ulint page_no; - page_t* page; - page_t* root; - page_t* bitmap_page; - - mtr_start(&mtr); - - /* Acquire the fsp latch before the ibuf header, obeying the latching - order */ - mtr_x_lock(fil_space_get_latch(IBUF_SPACE_ID, &flags), &mtr); - zip_size = dict_table_flags_to_zip_size(flags); - - header_page = ibuf_header_page_get(&mtr); - - /* Prevent pessimistic inserts to insert buffer trees for a while */ - mutex_enter(&ibuf_pessimistic_insert_mutex); - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - - if (!ibuf_data_too_much_free()) { - - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - mutex_exit(&ibuf_pessimistic_insert_mutex); - - mtr_commit(&mtr); - - return; - } - - mtr_start(&mtr2); - - root = ibuf_tree_root_get(&mtr2); - - page_no = flst_get_last(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - &mtr2).page; - - /* NOTE that we must release the latch on the ibuf tree root - because in fseg_free_page we access level 1 pages, and the root - is a level 2 page. */ - - mtr_commit(&mtr2); - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - /* Since pessimistic inserts were prevented, we know that the - page is still in the free list. NOTE that also deletes may take - pages from the free list, but they take them from the start, and - the free list was so long that they cannot have taken the last - page from it. */ - - fseg_free_page(header_page + IBUF_HEADER + IBUF_TREE_SEG_HEADER, - IBUF_SPACE_ID, page_no, &mtr); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - buf_page_reset_file_page_was_freed(IBUF_SPACE_ID, page_no); -#endif - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - - root = ibuf_tree_root_get(&mtr); - - ut_ad(page_no == flst_get_last(root + PAGE_HEADER - + PAGE_BTR_IBUF_FREE_LIST, &mtr).page); - - { - buf_block_t* block; - - block = buf_page_get( - IBUF_SPACE_ID, 0, page_no, RW_X_LATCH, &mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - - page = buf_block_get_frame(block); - } - - /* Remove the page from the free list and update the ibuf size data */ - - flst_remove(root + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST, - page + PAGE_HEADER + PAGE_BTR_IBUF_FREE_LIST_NODE, &mtr); - - ibuf->seg_size--; - ibuf->free_list_len--; - - mutex_exit(&ibuf_pessimistic_insert_mutex); - - /* Set the bit indicating that this page is no more an ibuf tree page - (level 2 page) */ - - bitmap_page = ibuf_bitmap_get_map_page( - IBUF_SPACE_ID, page_no, zip_size, &mtr); - - ibuf_bitmap_page_set_bits( - bitmap_page, page_no, zip_size, IBUF_BITMAP_IBUF, FALSE, &mtr); - -#ifdef UNIV_DEBUG_FILE_ACCESSES - buf_page_set_file_page_was_freed(IBUF_SPACE_ID, page_no); -#endif - mtr_commit(&mtr); - - mutex_exit(&ibuf_mutex); - - ibuf_exit(); -} - -/***********************************************************************//** -Frees excess pages from the ibuf free list. This function is called when an OS -thread calls fsp services to allocate a new file segment, or a new page to a -file segment, and the thread did not own the fsp latch before this call. */ -UNIV_INTERN -void -ibuf_free_excess_pages(void) -/*========================*/ -{ - ulint i; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(fil_space_get_latch(IBUF_SPACE_ID, NULL), - RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - ut_ad(rw_lock_get_x_lock_count( - fil_space_get_latch(IBUF_SPACE_ID, NULL)) == 1); - - ut_ad(!ibuf_inside()); - - /* NOTE: We require that the thread did not own the latch before, - because then we know that we can obey the correct latching order - for ibuf latches */ - - if (!ibuf) { - /* Not yet initialized; not sure if this is possible, but - does no harm to check for it. */ - - return; - } - - /* Free at most a few pages at a time, so that we do not delay the - requested service too much */ - - for (i = 0; i < 4; i++) { - - mutex_enter(&ibuf_mutex); - - if (!ibuf_data_too_much_free()) { - - mutex_exit(&ibuf_mutex); - - return; - } - - mutex_exit(&ibuf_mutex); - - ibuf_remove_free_page(); - } -} - -/*********************************************************************//** -Reads page numbers from a leaf in an ibuf tree. -@return a lower limit for the combined volume of records which will be -merged */ -static -ulint -ibuf_get_merge_page_nos( -/*====================*/ - ibool contract,/*!< in: TRUE if this function is called to - contract the tree, FALSE if this is called - when a single page becomes full and we look - if it pays to read also nearby pages */ - rec_t* rec, /*!< in: record from which we read up and down - in the chain of records */ - ulint* space_ids,/*!< in/out: space id's of the pages */ - ib_int64_t* space_versions,/*!< in/out: tablespace version - timestamps; used to prevent reading in old - pages after DISCARD + IMPORT tablespace */ - ulint* page_nos,/*!< in/out: buffer for at least - IBUF_MAX_N_PAGES_MERGED many page numbers; - the page numbers are in an ascending order */ - ulint* n_stored)/*!< out: number of page numbers stored to - page_nos in this function */ -{ - ulint prev_page_no; - ulint prev_space_id; - ulint first_page_no; - ulint first_space_id; - ulint rec_page_no; - ulint rec_space_id; - ulint sum_volumes; - ulint volume_for_page; - ulint rec_volume; - ulint limit; - ulint n_pages; - - *n_stored = 0; - - limit = ut_min(IBUF_MAX_N_PAGES_MERGED, buf_pool->curr_size / 4); - - if (page_rec_is_supremum(rec)) { - - rec = page_rec_get_prev(rec); - } - - if (page_rec_is_infimum(rec)) { - - rec = page_rec_get_next(rec); - } - - if (page_rec_is_supremum(rec)) { - - return(0); - } - - first_page_no = ibuf_rec_get_page_no(rec); - first_space_id = ibuf_rec_get_space(rec); - n_pages = 0; - prev_page_no = 0; - prev_space_id = 0; - - /* Go backwards from the first rec until we reach the border of the - 'merge area', or the page start or the limit of storeable pages is - reached */ - - while (!page_rec_is_infimum(rec) && UNIV_LIKELY(n_pages < limit)) { - - rec_page_no = ibuf_rec_get_page_no(rec); - rec_space_id = ibuf_rec_get_space(rec); - - if (rec_space_id != first_space_id - || (rec_page_no / IBUF_MERGE_AREA) - != (first_page_no / IBUF_MERGE_AREA)) { - - break; - } - - if (rec_page_no != prev_page_no - || rec_space_id != prev_space_id) { - n_pages++; - } - - prev_page_no = rec_page_no; - prev_space_id = rec_space_id; - - rec = page_rec_get_prev(rec); - } - - rec = page_rec_get_next(rec); - - /* At the loop start there is no prev page; we mark this with a pair - of space id, page no (0, 0) for which there can never be entries in - the insert buffer */ - - prev_page_no = 0; - prev_space_id = 0; - sum_volumes = 0; - volume_for_page = 0; - - while (*n_stored < limit) { - if (page_rec_is_supremum(rec)) { - /* When no more records available, mark this with - another 'impossible' pair of space id, page no */ - rec_page_no = 1; - rec_space_id = 0; - } else { - rec_page_no = ibuf_rec_get_page_no(rec); - rec_space_id = ibuf_rec_get_space(rec); - ut_ad(rec_page_no > IBUF_TREE_ROOT_PAGE_NO); - } - -#ifdef UNIV_IBUF_DEBUG - ut_a(*n_stored < IBUF_MAX_N_PAGES_MERGED); -#endif - if ((rec_space_id != prev_space_id - || rec_page_no != prev_page_no) - && (prev_space_id != 0 || prev_page_no != 0)) { - - if ((prev_page_no == first_page_no - && prev_space_id == first_space_id) - || contract - || (volume_for_page - > ((IBUF_MERGE_THRESHOLD - 1) - * 4 * UNIV_PAGE_SIZE - / IBUF_PAGE_SIZE_PER_FREE_SPACE) - / IBUF_MERGE_THRESHOLD)) { - - space_ids[*n_stored] = prev_space_id; - space_versions[*n_stored] - = fil_space_get_version(prev_space_id); - page_nos[*n_stored] = prev_page_no; - - (*n_stored)++; - - sum_volumes += volume_for_page; - } - - if (rec_space_id != first_space_id - || rec_page_no / IBUF_MERGE_AREA - != first_page_no / IBUF_MERGE_AREA) { - - break; - } - - volume_for_page = 0; - } - - if (rec_page_no == 1 && rec_space_id == 0) { - /* Supremum record */ - - break; - } - - rec_volume = ibuf_rec_get_volume(rec); - - volume_for_page += rec_volume; - - prev_page_no = rec_page_no; - prev_space_id = rec_space_id; - - rec = page_rec_get_next(rec); - } - -#ifdef UNIV_IBUF_DEBUG - ut_a(*n_stored <= IBUF_MAX_N_PAGES_MERGED); -#endif -#if 0 - fprintf(stderr, "Ibuf merge batch %lu pages %lu volume\n", - *n_stored, sum_volumes); -#endif - return(sum_volumes); -} - -/*********************************************************************//** -Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which -will be merged from ibuf trees to the pages read, 0 if ibuf is -empty */ -static -ulint -ibuf_contract_ext( -/*==============*/ - ulint* n_pages,/*!< out: number of pages to which merged */ - ibool sync) /*!< in: TRUE if the caller wants to wait for the - issued read with the highest tablespace address - to complete */ -{ - btr_pcur_t pcur; - ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; - ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; - ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; - ulint n_stored; - ulint sum_sizes; - mtr_t mtr; - - *n_pages = 0; - ut_ad(!ibuf_inside()); - - mutex_enter(&ibuf_mutex); - - if (ibuf->empty) { -ibuf_is_empty: - mutex_exit(&ibuf_mutex); - -#if 0 /* TODO */ - if (srv_shutdown_state) { - /* If the insert buffer becomes empty during - shutdown, note it in the system tablespace. */ - - trx_sys_set_ibuf_format(TRX_SYS_IBUF_EMPTY); - } - - /* TO DO: call trx_sys_set_ibuf_format() at startup - and whenever ibuf_use is changed to allow buffered - delete-marking or deleting. Never downgrade the - stamped format except when the insert buffer becomes - empty. */ -#endif - - return(0); - } - - mtr_start(&mtr); - - ibuf_enter(); - - /* Open a cursor to a randomly chosen leaf of the tree, at a random - position within the leaf */ - - btr_pcur_open_at_rnd_pos(ibuf->index, BTR_SEARCH_LEAF, &pcur, &mtr); - - if (page_get_n_recs(btr_pcur_get_page(&pcur)) == 0) { - /* When the ibuf tree is emptied completely, the last record - is removed using an optimistic delete and ibuf_size_update - is not called, causing ibuf->empty to remain FALSE. If we do - not reset it to TRUE here then database shutdown will hang - in the loop in ibuf_contract_for_n_pages. */ - - ibuf->empty = TRUE; - - ibuf_exit(); - - mtr_commit(&mtr); - btr_pcur_close(&pcur); - - goto ibuf_is_empty; - } - - mutex_exit(&ibuf_mutex); - - sum_sizes = ibuf_get_merge_page_nos(TRUE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, - page_nos, &n_stored); -#if 0 /* defined UNIV_IBUF_DEBUG */ - fprintf(stderr, "Ibuf contract sync %lu pages %lu volume %lu\n", - sync, n_stored, sum_sizes); -#endif - ibuf_exit(); - - mtr_commit(&mtr); - btr_pcur_close(&pcur); - - buf_read_ibuf_merge_pages(sync, space_ids, space_versions, page_nos, - n_stored); - *n_pages = n_stored; - - return(sum_sizes + 1); -} - -/*********************************************************************//** -Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which -will be merged from ibuf trees to the pages read, 0 if ibuf is -empty */ -UNIV_INTERN -ulint -ibuf_contract( -/*==========*/ - ibool sync) /*!< in: TRUE if the caller wants to wait for the - issued read with the highest tablespace address - to complete */ -{ - ulint n_pages; - - return(ibuf_contract_ext(&n_pages, sync)); -} - -/*********************************************************************//** -Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which -will be merged from ibuf trees to the pages read, 0 if ibuf is -empty */ -UNIV_INTERN -ulint -ibuf_contract_for_n_pages( -/*======================*/ - ibool sync, /*!< in: TRUE if the caller wants to wait for the - issued read with the highest tablespace address - to complete */ - ulint n_pages)/*!< in: try to read at least this many pages to - the buffer pool and merge the ibuf contents to - them */ -{ - ulint sum_bytes = 0; - ulint sum_pages = 0; - ulint n_bytes; - ulint n_pag2; - - while (sum_pages < n_pages) { - n_bytes = ibuf_contract_ext(&n_pag2, sync); - - if (n_bytes == 0) { - return(sum_bytes); - } - - sum_bytes += n_bytes; - sum_pages += n_pag2; - } - - return(sum_bytes); -} - -/*********************************************************************//** -Contract insert buffer trees after insert if they are too big. */ -UNIV_INLINE -void -ibuf_contract_after_insert( -/*=======================*/ - ulint entry_size) /*!< in: size of a record which was inserted - into an ibuf tree */ -{ - ibool sync; - ulint sum_sizes; - ulint size; - - mutex_enter(&ibuf_mutex); - - if (ibuf->size < ibuf->max_size + IBUF_CONTRACT_ON_INSERT_NON_SYNC) { - mutex_exit(&ibuf_mutex); - - return; - } - - sync = FALSE; - - if (ibuf->size >= ibuf->max_size + IBUF_CONTRACT_ON_INSERT_SYNC) { - - sync = TRUE; - } - - mutex_exit(&ibuf_mutex); - - /* Contract at least entry_size many bytes */ - sum_sizes = 0; - size = 1; - - while ((size > 0) && (sum_sizes < entry_size)) { - - size = ibuf_contract(sync); - sum_sizes += size; - } -} - -/*********************************************************************//** -Determine if an insert buffer record has been encountered already. -@return TRUE if a new record, FALSE if possible duplicate */ -static -ibool -ibuf_get_volume_buffered_hash( -/*==========================*/ - const rec_t* rec, /*!< in: ibuf record in post-4.1 format */ - const byte* types, /*!< in: fields */ - const byte* data, /*!< in: start of user record data */ - ulint comp, /*!< in: 0=ROW_FORMAT=REDUNDANT, - nonzero=ROW_FORMAT=COMPACT */ - byte* hash, /*!< in/out: hash array */ - ulint size) /*!< in: size of hash array, in bytes */ -{ - ulint len; - ulint fold; - ulint bitmask; - - len = ibuf_rec_get_size(rec, types, rec_get_n_fields_old(rec) - 4, - FALSE, comp); - fold = ut_fold_binary(data, len); - - hash += (fold / 8) % size; - bitmask = 1 << (fold % 8); - - if (*hash & bitmask) { - - return(FALSE); - } - - /* We have not seen this record yet. Insert it. */ - *hash |= bitmask; - - return(TRUE); -} - -/*********************************************************************//** -Update the estimate of the number of records on a page, and -get the space taken by merging the buffered record to the index page. -@return size of index record in bytes + an upper limit of the space -taken in the page directory */ -static -ulint -ibuf_get_volume_buffered_count( -/*===========================*/ - const rec_t* rec, /*!< in: insert buffer record */ - byte* hash, /*!< in/out: hash array */ - ulint size, /*!< in: size of hash array, in bytes */ - lint* n_recs) /*!< in/out: estimated number of records - on the page that rec points to */ -{ - ulint len; - ibuf_op_t ibuf_op; - const byte* types; - ulint n_fields = rec_get_n_fields_old(rec); - - ut_ad(ibuf_inside()); - ut_ad(n_fields > 4); - n_fields -= 4; - - rec_get_nth_field_offs_old(rec, 1, &len); - /* This function is only invoked when buffering new - operations. All pre-4.1 records should have been merged - when the database was started up. */ - ut_a(len == 1); - ut_ad(trx_sys_multiple_tablespace_format); - - types = rec_get_nth_field_old(rec, 3, &len); - - switch (UNIV_EXPECT(len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE, - IBUF_REC_INFO_SIZE)) { - default: - ut_error; - case 0: - /* This ROW_TYPE=REDUNDANT record does not include an - operation counter. Exclude it from the *n_recs, - because deletes cannot be buffered if there are - old-style inserts buffered for the page. */ - - len = ibuf_rec_get_size(rec, types, n_fields, FALSE, 0); - - return(len - + rec_get_converted_extra_size(len, n_fields, 0) - + page_dir_calc_reserved_space(1)); - case 1: - /* This ROW_TYPE=COMPACT record does not include an - operation counter. Exclude it from the *n_recs, - because deletes cannot be buffered if there are - old-style inserts buffered for the page. */ - goto get_volume_comp; - - case IBUF_REC_INFO_SIZE: - ibuf_op = (ibuf_op_t) types[IBUF_REC_OFFSET_TYPE]; - types += IBUF_REC_INFO_SIZE; - break; - } - - switch (ibuf_op) { - case IBUF_OP_INSERT: - /* Inserts can be done by - btr_cur_set_deleted_flag_for_ibuf(). Because - delete-mark and insert operations can be pointing to - the same records, we must not count duplicates. */ - case IBUF_OP_DELETE_MARK: - /* There must be a record to delete-mark. - See if this record has been already buffered. */ - if (n_recs && ibuf_get_volume_buffered_hash( - rec, types + IBUF_REC_INFO_SIZE, - types + len, - types[IBUF_REC_OFFSET_FLAGS] & IBUF_REC_COMPACT, - hash, size)) { - (*n_recs)++; - } - - if (ibuf_op == IBUF_OP_DELETE_MARK) { - /* Setting the delete-mark flag does not - affect the available space on the page. */ - return(0); - } - break; - case IBUF_OP_DELETE: - /* A record will be removed from the page. */ - if (n_recs) { - (*n_recs)--; - } - /* While deleting a record actually frees up space, - we have to play it safe and pretend that it takes no - additional space (the record might not exist, etc.). */ - return(0); - default: - ut_error; - } - - ut_ad(ibuf_op == IBUF_OP_INSERT); - -get_volume_comp: - { - dtuple_t* entry; - ulint volume; - dict_index_t* dummy_index; - mem_heap_t* heap = mem_heap_create(500); - - entry = ibuf_build_entry_from_ibuf_rec( - rec, heap, &dummy_index); - - volume = rec_get_converted_size(dummy_index, entry, 0); - - ibuf_dummy_index_free(dummy_index); - mem_heap_free(heap); - - return(volume + page_dir_calc_reserved_space(1)); - } -} - -/*********************************************************************//** -Gets an upper limit for the combined size of entries buffered in the insert -buffer for a given page. -@return upper limit for the volume of buffered inserts for the index -page, in bytes; UNIV_PAGE_SIZE, if the entries for the index page span -several pages in the insert buffer */ -static -ulint -ibuf_get_volume_buffered( -/*=====================*/ - btr_pcur_t* pcur, /*!< in: pcur positioned at a place in an - insert buffer tree where we would insert an - entry for the index page whose number is - page_no, latch mode has to be BTR_MODIFY_PREV - or BTR_MODIFY_TREE */ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: page number of an index page */ - lint* n_recs, /*!< in/out: minimum number of records on the - page after the buffered changes have been - applied, or NULL to disable the counting */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint volume; - rec_t* rec; - page_t* page; - ulint prev_page_no; - page_t* prev_page; - ulint next_page_no; - page_t* next_page; - byte hash_bitmap[128]; /* bitmap of buffered records */ - - ut_a(trx_sys_multiple_tablespace_format); - - ut_ad((pcur->latch_mode == BTR_MODIFY_PREV) - || (pcur->latch_mode == BTR_MODIFY_TREE)); - - /* Count the volume of inserts earlier in the alphabetical order than - pcur */ - - volume = 0; - - if (n_recs) { - memset(hash_bitmap, 0, sizeof hash_bitmap); - } - - rec = btr_pcur_get_rec(pcur); - page = page_align(rec); - - if (page_rec_is_supremum(rec)) { - rec = page_rec_get_prev(rec); - } - - for (;;) { - if (page_rec_is_infimum(rec)) { - - break; - } - - if (page_no != ibuf_rec_get_page_no(rec) - || space != ibuf_rec_get_space(rec)) { - - goto count_later; - } - - volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - - rec = page_rec_get_prev(rec); - } - - /* Look at the previous page */ - - prev_page_no = btr_page_get_prev(page, mtr); - - if (prev_page_no == FIL_NULL) { - - goto count_later; - } - - { - buf_block_t* block; - - block = buf_page_get( - IBUF_SPACE_ID, 0, prev_page_no, RW_X_LATCH, mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - - prev_page = buf_block_get_frame(block); - } - -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_next(prev_page, mtr) - == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - rec = page_get_supremum_rec(prev_page); - rec = page_rec_get_prev(rec); - - for (;;) { - if (page_rec_is_infimum(rec)) { - - /* We cannot go to yet a previous page, because we - do not have the x-latch on it, and cannot acquire one - because of the latching order: we have to give up */ - - return(UNIV_PAGE_SIZE); - } - - if (page_no != ibuf_rec_get_page_no(rec) - || space != ibuf_rec_get_space(rec)) { - - goto count_later; - } - - volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - - rec = page_rec_get_prev(rec); - } - -count_later: - rec = btr_pcur_get_rec(pcur); - - if (!page_rec_is_supremum(rec)) { - rec = page_rec_get_next(rec); - } - - for (;;) { - if (page_rec_is_supremum(rec)) { - - break; - } - - if (page_no != ibuf_rec_get_page_no(rec) - || space != ibuf_rec_get_space(rec)) { - - return(volume); - } - - volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - - rec = page_rec_get_next(rec); - } - - /* Look at the next page */ - - next_page_no = btr_page_get_next(page, mtr); - - if (next_page_no == FIL_NULL) { - - return(volume); - } - - { - buf_block_t* block; - - block = buf_page_get( - IBUF_SPACE_ID, 0, next_page_no, RW_X_LATCH, mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - - next_page = buf_block_get_frame(block); - } - -#ifdef UNIV_BTR_DEBUG - ut_a(btr_page_get_prev(next_page, mtr) == page_get_page_no(page)); -#endif /* UNIV_BTR_DEBUG */ - - rec = page_get_infimum_rec(next_page); - rec = page_rec_get_next(rec); - - for (;;) { - if (page_rec_is_supremum(rec)) { - - /* We give up */ - - return(UNIV_PAGE_SIZE); - } - - if (page_no != ibuf_rec_get_page_no(rec) - || space != ibuf_rec_get_space(rec)) { - - return(volume); - } - - volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); - - rec = page_rec_get_next(rec); - } -} - -/*********************************************************************//** -Reads the biggest tablespace id from the high end of the insert buffer -tree and updates the counter in fil_system. */ -UNIV_INTERN -void -ibuf_update_max_tablespace_id(void) -/*===============================*/ -{ - ulint max_space_id; - const rec_t* rec; - const byte* field; - ulint len; - btr_pcur_t pcur; - mtr_t mtr; - - ut_a(!dict_table_is_comp(ibuf->index->table)); - - ibuf_enter(); - - mtr_start(&mtr); - - btr_pcur_open_at_index_side( - FALSE, ibuf->index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - - btr_pcur_move_to_prev(&pcur, &mtr); - - if (btr_pcur_is_before_first_on_page(&pcur)) { - /* The tree is empty */ - - max_space_id = 0; - } else { - rec = btr_pcur_get_rec(&pcur); - - field = rec_get_nth_field_old(rec, 0, &len); - - ut_a(len == 4); - - max_space_id = mach_read_from_4(field); - } - - mtr_commit(&mtr); - ibuf_exit(); - - /* printf("Maximum space id in insert buffer %lu\n", max_space_id); */ - - fil_set_max_space_id_if_bigger(max_space_id); -} - -/****************************************************************//** -Helper function for ibuf_set_entry_counter. Checks if rec is for (space, -page_no), and if so, reads counter value from it and returns that + 1. -Otherwise, returns 0. -@return new counter value, or 0 */ -static -ulint -ibuf_get_entry_counter_low( -/*=======================*/ - const rec_t* rec, /*!< in: insert buffer record */ - ulint space, /*!< in: space id */ - ulint page_no) /*!< in: page number */ -{ - ulint counter; - const byte* field; - ulint len; - - ut_ad(ibuf_inside()); - ut_ad(rec_get_n_fields_old(rec) > 2); - - field = rec_get_nth_field_old(rec, 1, &len); - - if (UNIV_UNLIKELY(len != 1)) { - /* pre-4.1 format */ - ut_a(trx_doublewrite_must_reset_space_ids); - ut_a(!trx_sys_multiple_tablespace_format); - - return(ULINT_UNDEFINED); - } - - ut_a(trx_sys_multiple_tablespace_format); - - /* Check the tablespace identifier. */ - field = rec_get_nth_field_old(rec, 0, &len); - ut_a(len == 4); - - if (mach_read_from_4(field) != space) { - - return(0); - } - - /* Check the page offset. */ - field = rec_get_nth_field_old(rec, 2, &len); - ut_a(len == 4); - - if (mach_read_from_4(field) != page_no) { - - return(0); - } - - /* Check if the record contains a counter field. */ - field = rec_get_nth_field_old(rec, 3, &len); - - switch (len % DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE) { - default: - ut_error; - case 0: /* ROW_FORMAT=REDUNDANT */ - case 1: /* ROW_FORMAT=COMPACT */ - return(ULINT_UNDEFINED); - - case IBUF_REC_INFO_SIZE: - counter = mach_read_from_2(field + IBUF_REC_OFFSET_COUNTER); - ut_a(counter < 0xFFFF); - return(counter + 1); - } -} - -/****************************************************************//** -Set the counter field in entry to the correct value based on the current -last record in ibuf for (space, page_no). -@return FALSE if we should abort this insertion to ibuf */ -static -ibool -ibuf_set_entry_counter( -/*===================*/ - dtuple_t* entry, /*!< in/out: entry to patch */ - ulint space, /*!< in: space id of entry */ - ulint page_no, /*!< in: page number of entry */ - btr_pcur_t* pcur, /*!< in: pcur positioned on the record - found by btr_pcur_open(.., entry, - PAGE_CUR_LE, ..., pcur, ...) */ - ibool is_optimistic, /*!< in: is this an optimistic insert */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint counter; - dfield_t* field; - byte* data; - - /* pcur points to either a user rec or to a page's infimum record. */ - - if (btr_pcur_is_on_user_rec(pcur)) { - - counter = ibuf_get_entry_counter_low( - btr_pcur_get_rec(pcur), space, page_no); - - if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { - /* The record lacks a counter field. - Such old records must be merged before - new records can be buffered. */ - - return(FALSE); - } - } else if (btr_pcur_is_before_first_in_tree(pcur, mtr)) { - /* Ibuf tree is either completely empty, or the insert - position is at the very first record of a non-empty tree. In - either case we have no previous records for (space, - page_no). */ - - counter = 0; - } else if (btr_pcur_is_before_first_on_page(pcur)) { - btr_cur_t* cursor = btr_pcur_get_btr_cur(pcur); - - if (cursor->low_match < 3) { - /* If low_match < 3, we know that the father node - pointer did not contain the searched for (space, - page_no), which means that the search ended on the - right page regardless of the counter value, and - since we're at the infimum record, there are no - existing records. */ - - counter = 0; - } else { - rec_t* rec; - const page_t* page; - buf_block_t* block; - page_t* prev_page; - ulint prev_page_no; - - ut_a(cursor->ibuf_cnt != ULINT_UNDEFINED); - - page = btr_pcur_get_page(pcur); - prev_page_no = btr_page_get_prev(page, mtr); - - ut_a(prev_page_no != FIL_NULL); - - block = buf_page_get( - IBUF_SPACE_ID, 0, prev_page_no, - RW_X_LATCH, mtr); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - - prev_page = buf_block_get_frame(block); - - rec = page_rec_get_prev( - page_get_supremum_rec(prev_page)); - - ut_ad(page_rec_is_user_rec(rec)); - - counter = ibuf_get_entry_counter_low( - rec, space, page_no); - - if (UNIV_UNLIKELY(counter == ULINT_UNDEFINED)) { - /* The record lacks a counter field. - Such old records must be merged before - new records can be buffered. */ - - return(FALSE); - } - - if (counter < cursor->ibuf_cnt) { - /* Search ended on the wrong page. */ - - if (is_optimistic) { - /* In an optimistic insert, we can - shift the insert position to the left - page, since it only needs an X-latch - on the page itself, which the - original search acquired for us. */ - - btr_cur_position( - ibuf->index, rec, block, - btr_pcur_get_btr_cur(pcur)); - } else { - /* We can't shift the insert - position to the left page in a - pessimistic insert since it would - require an X-latch on the left - page's left page, so we have to - abort. */ - - return(FALSE); - } - } else { - /* The counter field in the father node is - the same as we would insert; we don't know - whether the insert should go to this page or - the left page (the later fields can differ), - so refuse the insert. */ - - return(FALSE); - } - } - } - - /* Patch counter value in already built entry. */ - field = dtuple_get_nth_field(entry, 3); - data = dfield_get_data(field); - - mach_write_to_2(data + IBUF_REC_OFFSET_COUNTER, counter); - - return(TRUE); -} - -/*********************************************************************//** -Buffer an operation in the insert/delete buffer, instead of doing it -directly to the disk page, if this is possible. -@return DB_SUCCESS, DB_FAIL, DB_STRONG_FAIL */ -static -ulint -ibuf_insert_low( -/*============*/ - ulint mode, /*!< in: BTR_MODIFY_PREV or BTR_MODIFY_TREE */ - ibuf_op_t op, /*!< in: operation type */ - ibool no_counter, - /*!< in: TRUE=use 5.0.3 format; - FALSE=allow delete buffering */ - const dtuple_t* entry, /*!< in: index entry to insert */ - ulint entry_size, - /*!< in: rec_get_converted_size(index, entry) */ - dict_index_t* index, /*!< in: index where to insert; must not be - unique or clustered */ - ulint space, /*!< in: space id where to insert */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number where to insert */ - que_thr_t* thr) /*!< in: query thread */ -{ - big_rec_t* dummy_big_rec; - btr_pcur_t pcur; - btr_cur_t* cursor; - dtuple_t* ibuf_entry; - mem_heap_t* heap; - ulint buffered; - lint min_n_recs; - rec_t* ins_rec; - ibool old_bit_value; - page_t* bitmap_page; - page_t* root; - ulint err; - ibool do_merge; - ulint space_ids[IBUF_MAX_N_PAGES_MERGED]; - ib_int64_t space_versions[IBUF_MAX_N_PAGES_MERGED]; - ulint page_nos[IBUF_MAX_N_PAGES_MERGED]; - ulint n_stored; - mtr_t mtr; - mtr_t bitmap_mtr; - - ut_a(!dict_index_is_clust(index)); - ut_ad(dtuple_check_typed(entry)); - ut_ad(ut_is_2pow(zip_size)); - ut_ad(!no_counter || op == IBUF_OP_INSERT); - ut_a(op < IBUF_OP_COUNT); - - ut_a(trx_sys_multiple_tablespace_format); - - do_merge = FALSE; - - mutex_enter(&ibuf_mutex); - - if (ibuf->size >= ibuf->max_size + IBUF_CONTRACT_DO_NOT_INSERT) { - /* Insert buffer is now too big, contract it but do not try - to insert */ - - mutex_exit(&ibuf_mutex); - -#ifdef UNIV_IBUF_DEBUG - fputs("Ibuf too big\n", stderr); -#endif - /* Use synchronous contract (== TRUE) */ - ibuf_contract(TRUE); - - return(DB_STRONG_FAIL); - } - - mutex_exit(&ibuf_mutex); - - if (mode == BTR_MODIFY_TREE) { - mutex_enter(&ibuf_pessimistic_insert_mutex); - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - - while (!ibuf_data_enough_free_for_insert()) { - - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - mutex_exit(&ibuf_pessimistic_insert_mutex); - - err = ibuf_add_free_page(); - - if (err == DB_STRONG_FAIL) { - - return(err); - } - - mutex_enter(&ibuf_pessimistic_insert_mutex); - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - } - } else { - ibuf_enter(); - } - - heap = mem_heap_create(512); - - /* Build the entry which contains the space id and the page number - as the first fields and the type information for other fields, and - which will be inserted to the insert buffer. Using a counter value - of 0xFFFF we find the last record for (space, page_no), from which - we can then read the counter value N and use N + 1 in the record we - insert. (We patch the ibuf_entry's counter field to the correct - value just before actually inserting the entry.) */ - - ibuf_entry = ibuf_entry_build( - op, index, entry, space, page_no, - no_counter ? ULINT_UNDEFINED : 0xFFFF, heap); - - /* Open a cursor to the insert buffer tree to calculate if we can add - the new entry to it without exceeding the free space limit for the - page. */ - - mtr_start(&mtr); - - btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); - - /* Find out the volume of already buffered inserts for the same index - page */ - min_n_recs = 0; - buffered = ibuf_get_volume_buffered(&pcur, space, page_no, - op == IBUF_OP_DELETE - ? &min_n_recs - : NULL, &mtr); - - if (op == IBUF_OP_DELETE - && (min_n_recs < 2 - || buf_pool_watch_occurred(space, page_no))) { - /* The page could become empty after the record is - deleted, or the page has been read in to the buffer - pool. Refuse to buffer the operation. */ - - /* The buffer pool watch is needed for IBUF_OP_DELETE - because of latching order considerations. We can - check buf_pool_watch_occurred() only after latching - the insert buffer B-tree pages that contain buffered - changes for the page. We never buffer IBUF_OP_DELETE, - unless some IBUF_OP_INSERT or IBUF_OP_DELETE_MARK have - been previously buffered for the page. Because there - are buffered operations for the page, the insert - buffer B-tree page latches held by mtr will guarantee - that no changes for the user page will be merged - before mtr_commit(&mtr). We must not mtr_commit(&mtr) - until after the IBUF_OP_DELETE has been buffered. */ - - err = DB_STRONG_FAIL; - - goto function_exit; - } - - /* After this point, the page could still be loaded to the - buffer pool, but we do not have to care about it, since we are - holding a latch on the insert buffer leaf page that contains - buffered changes for (space, page_no). If the page enters the - buffer pool, buf_page_io_complete() for (space, page_no) will - have to acquire a latch on the same insert buffer leaf page, - which it cannot do until we have buffered the IBUF_OP_DELETE - and done mtr_commit(&mtr) to release the latch. */ - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a((buffered == 0) || ibuf_count_get(space, page_no)); -#endif - mtr_start(&bitmap_mtr); - - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, - zip_size, &bitmap_mtr); - - /* We check if the index page is suitable for buffered entries */ - - if (buf_page_peek(space, page_no) - || lock_rec_expl_exist_on_page(space, page_no)) { - - goto bitmap_fail; - } - - if (op == IBUF_OP_INSERT) { - ulint bits = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, IBUF_BITMAP_FREE, - &bitmap_mtr); - - if (buffered + entry_size + page_dir_calc_reserved_space(1) - > ibuf_index_page_calc_free_from_bits(zip_size, bits)) { - /* Release the bitmap page latch early. */ - mtr_commit(&bitmap_mtr); - - /* It may not fit */ - do_merge = TRUE; - - ibuf_get_merge_page_nos( - FALSE, btr_pcur_get_rec(&pcur), - space_ids, space_versions, - page_nos, &n_stored); - - err = DB_STRONG_FAIL; - - goto function_exit; - } - } - - /* Patch correct counter value to the entry to insert. This can - change the insert position, which can result in the need to abort in - some cases. */ - if (!no_counter - && !ibuf_set_entry_counter(ibuf_entry, space, page_no, &pcur, - mode == BTR_MODIFY_PREV, &mtr)) { -bitmap_fail: - err = DB_STRONG_FAIL; - - mtr_commit(&bitmap_mtr); - - goto function_exit; - } - - /* Set the bitmap bit denoting that the insert buffer contains - buffered entries for this index page, if the bit is not set yet */ - - old_bit_value = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_BUFFERED, &bitmap_mtr); - - if (!old_bit_value) { - ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size, - IBUF_BITMAP_BUFFERED, TRUE, - &bitmap_mtr); - } - - mtr_commit(&bitmap_mtr); - - cursor = btr_pcur_get_btr_cur(&pcur); - - if (mode == BTR_MODIFY_PREV) { - err = btr_cur_optimistic_insert(BTR_NO_LOCKING_FLAG, cursor, - ibuf_entry, &ins_rec, - &dummy_big_rec, 0, thr, &mtr); - if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { - /* Update the page max trx id field */ - page_update_max_trx_id(btr_cur_get_block(cursor), NULL, - thr_get_trx(thr)->id, &mtr); - } - } else { - ut_ad(mode == BTR_MODIFY_TREE); - - /* We acquire an x-latch to the root page before the insert, - because a pessimistic insert releases the tree x-latch, - which would cause the x-latching of the root after that to - break the latching order. */ - - root = ibuf_tree_root_get(&mtr); - - err = btr_cur_pessimistic_insert(BTR_NO_LOCKING_FLAG - | BTR_NO_UNDO_LOG_FLAG, - cursor, - ibuf_entry, &ins_rec, - &dummy_big_rec, 0, thr, &mtr); - if (err == DB_SUCCESS && op != IBUF_OP_DELETE) { - /* Update the page max trx id field */ - page_update_max_trx_id(btr_cur_get_block(cursor), NULL, - thr_get_trx(thr)->id, &mtr); - } - - ibuf_size_update(root, &mtr); - } - -function_exit: -#ifdef UNIV_IBUF_COUNT_DEBUG - if (err == DB_SUCCESS) { - fprintf(stderr, - "Incrementing ibuf count of space %lu page %lu\n" - "from %lu by 1\n", space, page_no, - ibuf_count_get(space, page_no)); - - ibuf_count_set(space, page_no, - ibuf_count_get(space, page_no) + 1); - } -#endif - if (mode == BTR_MODIFY_TREE) { - - mutex_exit(&ibuf_mutex); - mutex_exit(&ibuf_pessimistic_insert_mutex); - } - - mtr_commit(&mtr); - btr_pcur_close(&pcur); - ibuf_exit(); - - mem_heap_free(heap); - - if (err == DB_SUCCESS) { - mutex_enter(&ibuf_mutex); - - ibuf->empty = FALSE; - - mutex_exit(&ibuf_mutex); - - if (mode == BTR_MODIFY_TREE) { - ibuf_contract_after_insert(entry_size); - } - } - - if (do_merge) { -#ifdef UNIV_IBUF_DEBUG - ut_a(n_stored <= IBUF_MAX_N_PAGES_MERGED); -#endif - buf_read_ibuf_merge_pages(FALSE, space_ids, space_versions, - page_nos, n_stored); - } - - return(err); -} - -/*********************************************************************//** -Buffer an operation in the insert/delete buffer, instead of doing it -directly to the disk page, if this is possible. Does not do it if the index -is clustered or unique. -@return TRUE if success */ -UNIV_INTERN -ibool -ibuf_insert( -/*========*/ - ibuf_op_t op, /*!< in: operation type */ - const dtuple_t* entry, /*!< in: index entry to insert */ - dict_index_t* index, /*!< in: index where to insert */ - ulint space, /*!< in: space id where to insert */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number where to insert */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - ulint entry_size; - ibool no_counter; - /* Read the settable global variable ibuf_use only once in - this function, so that we will have a consistent view of it. */ - ibuf_use_t use = ibuf_use; - - ut_a(trx_sys_multiple_tablespace_format); - ut_ad(dtuple_check_typed(entry)); - ut_ad(ut_is_2pow(zip_size)); - - ut_a(!dict_index_is_clust(index)); - - no_counter = use <= IBUF_USE_INSERT; - - switch (op) { - case IBUF_OP_INSERT: - switch (use) { - case IBUF_USE_NONE: - case IBUF_USE_DELETE: - case IBUF_USE_DELETE_MARK: - return(FALSE); - case IBUF_USE_INSERT: - case IBUF_USE_INSERT_DELETE_MARK: - case IBUF_USE_ALL: - goto check_watch; - case IBUF_USE_COUNT: - break; - } - break; - case IBUF_OP_DELETE_MARK: - switch (use) { - case IBUF_USE_NONE: - case IBUF_USE_INSERT: - return(FALSE); - case IBUF_USE_DELETE_MARK: - case IBUF_USE_DELETE: - case IBUF_USE_INSERT_DELETE_MARK: - case IBUF_USE_ALL: - ut_ad(!no_counter); - goto check_watch; - case IBUF_USE_COUNT: - break; - } - break; - case IBUF_OP_DELETE: - switch (use) { - case IBUF_USE_NONE: - case IBUF_USE_INSERT: - case IBUF_USE_INSERT_DELETE_MARK: - return(FALSE); - case IBUF_USE_DELETE_MARK: - case IBUF_USE_DELETE: - case IBUF_USE_ALL: - ut_ad(!no_counter); - goto skip_watch; - case IBUF_USE_COUNT: - break; - } - break; - case IBUF_OP_COUNT: - break; - } - - /* unknown op or use */ - ut_error; - -check_watch: - /* If a thread attempts to buffer an insert on a page while a - purge is in progress on the same page, the purge must not be - buffered, because it could remove a record that was - re-inserted later. For simplicity, we block the buffering of - all operations on a page that has a purge pending. - - We do not check this in the IBUF_OP_DELETE case, because that - would always trigger the buffer pool watch during purge and - thus prevent the buffering of delete operations. We assume - that the issuer of IBUF_OP_DELETE has called - buf_pool_watch_set(space, page_no). */ - - { - buf_page_t* bpage; - ulint fold = buf_page_address_fold(space, page_no); - - buf_pool_mutex_enter(); - bpage = buf_page_hash_get_low(space, page_no, fold); - buf_pool_mutex_exit(); - - if (UNIV_LIKELY_NULL(bpage)) { - /* A buffer pool watch has been set or the - page has been read into the buffer pool. - Do not buffer the request. If a purge operation - is being buffered, have this request executed - directly on the page in the buffer pool after the - buffered entries for this page have been merged. */ - return(FALSE); - } - } - -skip_watch: - entry_size = rec_get_converted_size(index, entry, 0); - - if (entry_size - >= page_get_free_space_of_empty(dict_table_is_comp(index->table)) - / 2) { - - return(FALSE); - } - - err = ibuf_insert_low(BTR_MODIFY_PREV, op, no_counter, - entry, entry_size, - index, space, zip_size, page_no, thr); - if (err == DB_FAIL) { - err = ibuf_insert_low(BTR_MODIFY_TREE, op, no_counter, - entry, entry_size, - index, space, zip_size, page_no, thr); - } - - if (err == DB_SUCCESS) { -#ifdef UNIV_IBUF_DEBUG - /* fprintf(stderr, "Ibuf insert for page no %lu of index %s\n", - page_no, index->name); */ -#endif - return(TRUE); - - } else { - ut_a(err == DB_STRONG_FAIL); - - return(FALSE); - } -} - -/********************************************************************//** -During merge, inserts to an index page a secondary index entry extracted -from the insert buffer. */ -static -void -ibuf_insert_to_index_page( -/*======================*/ - dtuple_t* entry, /*!< in: buffered entry to insert */ - buf_block_t* block, /*!< in/out: index page where the buffered entry - should be placed */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t page_cur; - ulint low_match; - page_t* page = buf_block_get_frame(block); - rec_t* rec; - page_t* bitmap_page; - ulint old_bits; - - ut_ad(ibuf_inside()); - ut_ad(dtuple_check_typed(entry)); - - if (UNIV_UNLIKELY(dict_table_is_comp(index->table) - != (ibool)!!page_is_comp(page))) { - fputs("InnoDB: Trying to insert a record from" - " the insert buffer to an index page\n" - "InnoDB: but the 'compact' flag does not match!\n", - stderr); - goto dump; - } - - rec = page_rec_get_next(page_get_infimum_rec(page)); - - if (page_rec_is_supremum(rec)) { - /* Empty pages can result from buffered delete operations. - The first record from the free list can be used to find the - father node. */ - rec = page_header_get_ptr(page, PAGE_FREE); - if (UNIV_UNLIKELY(rec == NULL)) { - fputs("InnoDB: Trying to insert a record from" - " the insert buffer to an index page\n" - "InnoDB: but the index page is empty!\n", - stderr); - goto dump; - } - } - - if (UNIV_UNLIKELY(rec_get_n_fields(rec, index) - != dtuple_get_n_fields(entry))) { - fputs("InnoDB: Trying to insert a record from" - " the insert buffer to an index page\n" - "InnoDB: but the number of fields does not match!\n", - stderr); -dump: - buf_page_print(page, 0); - - dtuple_print(stderr, entry); - - fputs("InnoDB: The table where where" - " this index record belongs\n" - "InnoDB: is now probably corrupt." - " Please run CHECK TABLE on\n" - "InnoDB: your tables.\n" - "InnoDB: Submit a detailed bug report to" - " http://bugs.mysql.com!\n", stderr); - - return; - } - - low_match = page_cur_search(block, index, entry, - PAGE_CUR_LE, &page_cur); - - if (low_match == dtuple_get_n_fields(entry)) { - page_zip_des_t* page_zip; - - rec = page_cur_get_rec(&page_cur); - page_zip = buf_block_get_page_zip(block); - - btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, FALSE, mtr); - } else { - rec = page_cur_tuple_insert(&page_cur, entry, index, 0, mtr); - - if (UNIV_LIKELY(rec != NULL)) { - return; - } - - /* If the record did not fit, reorganize */ - - btr_page_reorganize(block, index, mtr); - page_cur_search(block, index, entry, PAGE_CUR_LE, &page_cur); - - /* This time the record must fit */ - if (UNIV_UNLIKELY - (!page_cur_tuple_insert(&page_cur, entry, index, - 0, mtr))) { - ulint space; - ulint page_no; - ulint zip_size; - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: Insert buffer insert" - " fails; page free %lu," - " dtuple size %lu\n", - (ulong) page_get_max_insert_size( - page, 1), - (ulong) rec_get_converted_size( - index, entry, 0)); - fputs("InnoDB: Cannot insert index record ", - stderr); - dtuple_print(stderr, entry); - fputs("\nInnoDB: The table where" - " this index record belongs\n" - "InnoDB: is now probably corrupt." - " Please run CHECK TABLE on\n" - "InnoDB: that table.\n", stderr); - - space = page_get_space_id(page); - zip_size = buf_block_get_zip_size(block); - page_no = page_get_page_no(page); - - bitmap_page = ibuf_bitmap_get_map_page( - space, page_no, zip_size, mtr); - old_bits = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, mtr); - - fprintf(stderr, - "InnoDB: space %lu, page %lu," - " zip_size %lu, bitmap bits %lu\n", - (ulong) space, (ulong) page_no, - (ulong) zip_size, (ulong) old_bits); - - fputs("InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", stderr); - } - } -} - -/****************************************************************//** -During merge, sets the delete mark on a record for a secondary index -entry. */ -static -void -ibuf_set_del_mark( -/*==============*/ - const dtuple_t* entry, /*!< in: entry */ - buf_block_t* block, /*!< in/out: block */ - const dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t page_cur; - ulint low_match; - - ut_ad(ibuf_inside()); - ut_ad(dtuple_check_typed(entry)); - - low_match = page_cur_search( - block, index, entry, PAGE_CUR_LE, &page_cur); - - if (low_match == dtuple_get_n_fields(entry)) { - rec_t* rec; - page_zip_des_t* page_zip; - - rec = page_cur_get_rec(&page_cur); - page_zip = page_cur_get_page_zip(&page_cur); - - btr_cur_set_deleted_flag_for_ibuf(rec, page_zip, TRUE, mtr); - } else { - /* This can happen benignly in some situations. */ - } -} - -/****************************************************************//** -During merge, delete a record for a secondary index entry. */ -static -void -ibuf_delete( -/*========*/ - const dtuple_t* entry, /*!< in: entry */ - buf_block_t* block, /*!< in/out: block */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in/out: mtr; must be committed - before latching any further pages */ -{ - page_cur_t page_cur; - ulint low_match; - - ut_ad(ibuf_inside()); - ut_ad(dtuple_check_typed(entry)); - - low_match = page_cur_search( - block, index, entry, PAGE_CUR_LE, &page_cur); - - if (low_match == dtuple_get_n_fields(entry)) { - page_zip_des_t* page_zip= buf_block_get_page_zip(block); - page_t* page = buf_block_get_frame(block); - rec_t* rec = page_cur_get_rec(&page_cur); - - /* TODO: the below should probably be a separate function, - it's a bastardized version of btr_cur_optimistic_delete. */ - - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - mem_heap_t* heap = NULL; - ulint max_ins_size; - - rec_offs_init(offsets_); - - offsets = rec_get_offsets( - rec, index, offsets, ULINT_UNDEFINED, &heap); - - /* Refuse to delete the last record. */ - ut_a(page_get_n_recs(page) > 1); - - /* The record should have been marked for deletion. */ - ut_ad(REC_INFO_DELETED_FLAG - & rec_get_info_bits(rec, page_is_comp(page))); - - lock_update_delete(block, rec); - - if (!page_zip) { - max_ins_size - = page_get_max_insert_size_after_reorganize( - page, 1); - } -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - page_cur_delete_rec(&page_cur, index, offsets, mtr); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (page_zip) { - ibuf_update_free_bits_zip(block, mtr); - } else { - ibuf_update_free_bits_low(block, max_ins_size, mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } else { - /* This can happen benignly in some situations: either when - we crashed at just the right time, or on database startup - when we redo some old log entries (due to worse stored - position granularity on disk than in memory). */ - } -} - -/*********************************************************************//** -Restores insert buffer tree cursor position -@return TRUE if the position was restored; FALSE if not */ -static __attribute__((nonnull)) -ibool -ibuf_restore_pos( -/*=============*/ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: index page number where the record - should belong */ - const dtuple_t* search_tuple, - /*!< in: search tuple for entries of page_no */ - ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ - btr_pcur_t* pcur, /*!< in/out: persistent cursor whose - position is to be restored */ - mtr_t* mtr) /*!< in/out: mini-transaction */ -{ - ut_ad(mode == BTR_MODIFY_LEAF || mode == BTR_MODIFY_TREE); - - if (btr_pcur_restore_position(mode, pcur, mtr)) { - - return(TRUE); - } - - if (fil_space_get_flags(space) == ULINT_UNDEFINED) { - /* The tablespace has been dropped. It is possible - that another thread has deleted the insert buffer - entry. Do not complain. */ - btr_pcur_commit_specify_mtr(pcur, mtr); - } else { - fprintf(stderr, - "InnoDB: ERROR: Submit the output to" - " http://bugs.mysql.com\n" - "InnoDB: ibuf cursor restoration fails!\n" - "InnoDB: ibuf record inserted to page %lu:%lu\n", - (ulong) space, (ulong) page_no); - fflush(stderr); - - rec_print_old(stderr, btr_pcur_get_rec(pcur)); - rec_print_old(stderr, pcur->old_rec); - dtuple_print(stderr, search_tuple); - - rec_print_old(stderr, - page_rec_get_next(btr_pcur_get_rec(pcur))); - fflush(stderr); - - btr_pcur_commit_specify_mtr(pcur, mtr); - - fputs("InnoDB: Validating insert buffer tree:\n", stderr); - if (!btr_validate_index(ibuf->index, NULL)) { - ut_error; - } - - fprintf(stderr, "InnoDB: ibuf tree ok\n"); - fflush(stderr); - } - - return(FALSE); -} - -/*********************************************************************//** -Deletes from ibuf the record on which pcur is positioned. If we have to -resort to a pessimistic delete, this function commits mtr and closes -the cursor. -@return TRUE if mtr was committed and pcur closed in this operation */ -static -ibool -ibuf_delete_rec( -/*============*/ - ulint space, /*!< in: space id */ - ulint page_no,/*!< in: index page number where the record - should belong */ - btr_pcur_t* pcur, /*!< in: pcur positioned on the record to - delete, having latch mode BTR_MODIFY_LEAF */ - const dtuple_t* search_tuple, - /*!< in: search tuple for entries of page_no */ - mtr_t* mtr) /*!< in: mtr */ -{ - ibool success; - page_t* root; - ulint err; - - ut_ad(ibuf_inside()); - ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); - ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); - ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); - - success = btr_cur_optimistic_delete(btr_pcur_get_btr_cur(pcur), mtr); - - if (success) { -#ifdef UNIV_IBUF_COUNT_DEBUG - fprintf(stderr, - "Decrementing ibuf count of space %lu page %lu\n" - "from %lu by 1\n", space, page_no, - ibuf_count_get(space, page_no)); - ibuf_count_set(space, page_no, - ibuf_count_get(space, page_no) - 1); -#endif - return(FALSE); - } - - ut_ad(page_rec_is_user_rec(btr_pcur_get_rec(pcur))); - ut_ad(ibuf_rec_get_page_no(btr_pcur_get_rec(pcur)) == page_no); - ut_ad(ibuf_rec_get_space(btr_pcur_get_rec(pcur)) == space); - - /* We have to resort to a pessimistic delete from ibuf */ - btr_pcur_store_position(pcur, mtr); - - btr_pcur_commit_specify_mtr(pcur, mtr); - - mutex_enter(&ibuf_mutex); - - mtr_start(mtr); - - if (!ibuf_restore_pos(space, page_no, search_tuple, - BTR_MODIFY_TREE, pcur, mtr)) { - - goto func_exit; - } - - root = ibuf_tree_root_get(mtr); - - btr_cur_pessimistic_delete(&err, TRUE, btr_pcur_get_btr_cur(pcur), - RB_NONE, mtr); - ut_a(err == DB_SUCCESS); - -#ifdef UNIV_IBUF_COUNT_DEBUG - ibuf_count_set(space, page_no, ibuf_count_get(space, page_no) - 1); -#endif - ibuf_size_update(root, mtr); - btr_pcur_commit_specify_mtr(pcur, mtr); - -func_exit: - btr_pcur_close(pcur); - - mutex_exit(&ibuf_mutex); - - return(TRUE); -} - -/*********************************************************************//** -When an index page is read from a disk to the buffer pool, this function -applies any buffered operations to the page and deletes the entries from the -insert buffer. If the page is not read, but created in the buffer pool, this -function deletes its buffered entries from the insert buffer; there can -exist entries for such a page if the page belonged to an index which -subsequently was dropped. */ -UNIV_INTERN -void -ibuf_merge_or_delete_for_page( -/*==========================*/ - buf_block_t* block, /*!< in: if page has been read from - disk, pointer to the page x-latched, - else NULL */ - ulint space, /*!< in: space id of the index page */ - ulint page_no,/*!< in: page number of the index page */ - ulint zip_size,/*!< in: compressed page size in bytes, - or 0 */ - ibool update_ibuf_bitmap)/*!< in: normally this is set - to TRUE, but if we have deleted or are - deleting the tablespace, then we - naturally do not want to update a - non-existent bitmap page */ -{ - mem_heap_t* heap; - btr_pcur_t pcur; - dtuple_t* search_tuple; -#ifdef UNIV_IBUF_DEBUG - ulint volume; -#endif - page_zip_des_t* page_zip = NULL; - ibool tablespace_being_deleted = FALSE; - ibool corruption_noticed = FALSE; - mtr_t mtr; - - /* Counts for merged & discarded operations. */ - ulint mops[IBUF_OP_COUNT]; - ulint dops[IBUF_OP_COUNT]; - - ut_ad(!block || buf_block_get_space(block) == space); - ut_ad(!block || buf_block_get_page_no(block) == page_no); - ut_ad(!block || buf_block_get_zip_size(block) == zip_size); - - if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE - || trx_sys_hdr_page(space, page_no)) { - return; - } - - /* We cannot refer to zip_size in the following, because - zip_size is passed as ULINT_UNDEFINED (it is unknown) when - buf_read_ibuf_merge_pages() is merging (discarding) changes - for a dropped tablespace. When block != NULL or - update_ibuf_bitmap is specified, the zip_size must be known. - That is why we will repeat the check below, with zip_size in - place of 0. Passing zip_size as 0 assumes that the - uncompressed page size always is a power-of-2 multiple of the - compressed page size. */ - - if (ibuf_fixed_addr_page(space, 0, page_no) - || fsp_descr_page(0, page_no)) { - return; - } - - if (UNIV_LIKELY(update_ibuf_bitmap)) { - ut_a(ut_is_2pow(zip_size)); - - if (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no)) { - return; - } - - /* If the following returns FALSE, we get the counter - incremented, and must decrement it when we leave this - function. When the counter is > 0, that prevents tablespace - from being dropped. */ - - tablespace_being_deleted = fil_inc_pending_ibuf_merges(space); - - if (UNIV_UNLIKELY(tablespace_being_deleted)) { - /* Do not try to read the bitmap page from space; - just delete the ibuf records for the page */ - - block = NULL; - update_ibuf_bitmap = FALSE; - } else { - page_t* bitmap_page; - - mtr_start(&mtr); - - bitmap_page = ibuf_bitmap_get_map_page( - space, page_no, zip_size, &mtr); - - if (!ibuf_bitmap_page_get_bits(bitmap_page, page_no, - zip_size, - IBUF_BITMAP_BUFFERED, - &mtr)) { - /* No inserts buffered for this page */ - mtr_commit(&mtr); - - if (!tablespace_being_deleted) { - fil_decr_pending_ibuf_merges(space); - } - - return; - } - mtr_commit(&mtr); - } - } else if (block - && (ibuf_fixed_addr_page(space, zip_size, page_no) - || fsp_descr_page(zip_size, page_no))) { - - return; - } - - ibuf_enter(); - - heap = mem_heap_create(512); - - if (!trx_sys_multiple_tablespace_format) { - ut_a(trx_doublewrite_must_reset_space_ids); - search_tuple = ibuf_search_tuple_build(space, page_no, heap); - } else { - search_tuple = ibuf_new_search_tuple_build(space, page_no, - heap); - } - - if (block) { - /* Move the ownership of the x-latch on the page to this OS - thread, so that we can acquire a second x-latch on it. This - is needed for the insert operations to the index page to pass - the debug checks. */ - - rw_lock_x_lock_move_ownership(&(block->lock)); - page_zip = buf_block_get_page_zip(block); - - if (UNIV_UNLIKELY(fil_page_get_type(block->frame) - != FIL_PAGE_INDEX) - || UNIV_UNLIKELY(!page_is_leaf(block->frame))) { - - page_t* bitmap_page; - - corruption_noticed = TRUE; - - ut_print_timestamp(stderr); - - mtr_start(&mtr); - - fputs(" InnoDB: Dump of the ibuf bitmap page:\n", - stderr); - - bitmap_page = ibuf_bitmap_get_map_page(space, page_no, - zip_size, &mtr); - buf_page_print(bitmap_page, 0); - - mtr_commit(&mtr); - - fputs("\nInnoDB: Dump of the page:\n", stderr); - - buf_page_print(block->frame, 0); - - fprintf(stderr, - "InnoDB: Error: corruption in the tablespace." - " Bitmap shows insert\n" - "InnoDB: buffer records to page n:o %lu" - " though the page\n" - "InnoDB: type is %lu, which is" - " not an index leaf page!\n" - "InnoDB: We try to resolve the problem" - " by skipping the insert buffer\n" - "InnoDB: merge for this page." - " Please run CHECK TABLE on your tables\n" - "InnoDB: to determine if they are corrupt" - " after this.\n\n" - "InnoDB: Please submit a detailed bug report" - " to http://bugs.mysql.com\n\n", - (ulong) page_no, - (ulong) - fil_page_get_type(block->frame)); - } - } - - memset(mops, 0, sizeof(mops)); - memset(dops, 0, sizeof(dops)); - -#ifdef UNIV_IBUF_DEBUG - volume = 0; -#endif -loop: - mtr_start(&mtr); - - if (block) { - ibool success; - - success = buf_page_get_known_nowait( - RW_X_LATCH, block, - BUF_KEEP_OLD, __FILE__, __LINE__, &mtr); - - ut_a(success); - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - } - - /* Position pcur in the insert buffer at the first entry for this - index page */ - btr_pcur_open_on_user_rec( - ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, - &pcur, &mtr); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); - - goto reset_bit; - } - - for (;;) { - rec_t* rec; - - ut_ad(btr_pcur_is_on_user_rec(&pcur)); - - rec = btr_pcur_get_rec(&pcur); - - /* Check if the entry is for this index page */ - if (ibuf_rec_get_page_no(rec) != page_no - || ibuf_rec_get_space(rec) != space) { - - if (block) { - page_header_reset_last_insert( - block->frame, page_zip, &mtr); - } - - goto reset_bit; - } - - if (UNIV_UNLIKELY(corruption_noticed)) { - fputs("InnoDB: Discarding record\n ", stderr); - rec_print_old(stderr, rec); - fputs("\nInnoDB: from the insert buffer!\n\n", stderr); - } else if (block) { - /* Now we have at pcur a record which should be - inserted to the index page; NOTE that the call below - copies pointers to fields in rec, and we must - keep the latch to the rec page until the - insertion is finished! */ - dtuple_t* entry; - trx_id_t max_trx_id; - dict_index_t* dummy_index; - ibuf_op_t op = ibuf_rec_get_op_type(rec); - - max_trx_id = page_get_max_trx_id(page_align(rec)); - page_update_max_trx_id(block, page_zip, max_trx_id, - &mtr); - - entry = ibuf_build_entry_from_ibuf_rec( - rec, heap, &dummy_index); -#ifdef UNIV_IBUF_DEBUG - if (op == IBUF_OP_INSERT) { - - volume += rec_get_converted_size( - dummy_index, entry, 0); - - volume += page_dir_calc_reserved_space(1); - - ut_a(volume <= 4 * UNIV_PAGE_SIZE - / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } -#endif - switch (op) { - case IBUF_OP_INSERT: - ibuf_insert_to_index_page( - entry, block, dummy_index, &mtr); - break; - - case IBUF_OP_DELETE_MARK: - ibuf_set_del_mark( - entry, block, dummy_index, &mtr); - break; - - case IBUF_OP_DELETE: - ibuf_delete(entry, block, dummy_index, &mtr); - /* Because ibuf_delete() will latch an - insert buffer bitmap page, commit mtr - before latching any further pages. - Store and restore the cursor position. */ - ut_ad(rec == btr_pcur_get_rec(&pcur)); - ut_ad(page_rec_is_user_rec(rec)); - ut_ad(ibuf_rec_get_page_no(rec) == page_no); - ut_ad(ibuf_rec_get_space(rec) == space); - - btr_pcur_store_position(&pcur, &mtr); - btr_pcur_commit_specify_mtr(&pcur, &mtr); - - mtr_start(&mtr); - - if (block) { - ibool success; - success = buf_page_get_known_nowait( - RW_X_LATCH, block, - BUF_KEEP_OLD, - __FILE__, __LINE__, &mtr); - ut_a(success); - - buf_block_dbg_add_level( - block, SYNC_TREE_NODE); - } - - if (!ibuf_restore_pos(space, page_no, - search_tuple, - BTR_MODIFY_LEAF, - &pcur, &mtr)) { - - mtr_commit(&mtr); - mops[op]++; - ibuf_dummy_index_free(dummy_index); - goto loop; - } - - break; - default: - ut_error; - } - - mops[op]++; - - ibuf_dummy_index_free(dummy_index); - } else { - dops[ibuf_rec_get_op_type(rec)]++; - } - - /* Delete the record from ibuf */ - if (ibuf_delete_rec(space, page_no, &pcur, search_tuple, - &mtr)) { - /* Deletion was pessimistic and mtr was committed: - we start from the beginning again */ - - goto loop; - } else if (btr_pcur_is_after_last_on_page(&pcur)) { - mtr_commit(&mtr); - btr_pcur_close(&pcur); - - goto loop; - } - } - -reset_bit: - if (UNIV_LIKELY(update_ibuf_bitmap)) { - page_t* bitmap_page; - - bitmap_page = ibuf_bitmap_get_map_page( - space, page_no, zip_size, &mtr); - - ibuf_bitmap_page_set_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_BUFFERED, FALSE, &mtr); - - if (block) { - ulint old_bits = ibuf_bitmap_page_get_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, &mtr); - - ulint new_bits = ibuf_index_page_calc_free( - zip_size, block); - - if (old_bits != new_bits) { - ibuf_bitmap_page_set_bits( - bitmap_page, page_no, zip_size, - IBUF_BITMAP_FREE, new_bits, &mtr); - } - } - } - - mtr_commit(&mtr); - btr_pcur_close(&pcur); - mem_heap_free(heap); - - /* Protect our statistics keeping from race conditions */ - mutex_enter(&ibuf_mutex); - - ibuf->n_merges++; - ibuf_add_ops(ibuf->n_merged_ops, mops); - ibuf_add_ops(ibuf->n_discarded_ops, dops); - - mutex_exit(&ibuf_mutex); - - if (update_ibuf_bitmap && !tablespace_being_deleted) { - - fil_decr_pending_ibuf_merges(space); - } - - ibuf_exit(); - -#ifdef UNIV_IBUF_COUNT_DEBUG - ut_a(ibuf_count_get(space, page_no) == 0); -#endif -} - -/*********************************************************************//** -Deletes all entries in the insert buffer for a given space id. This is used -in DISCARD TABLESPACE and IMPORT TABLESPACE. -NOTE: this does not update the page free bitmaps in the space. The space will -become CORRUPT when you call this function! */ -UNIV_INTERN -void -ibuf_delete_for_discarded_space( -/*============================*/ - ulint space) /*!< in: space id */ -{ - mem_heap_t* heap; - btr_pcur_t pcur; - dtuple_t* search_tuple; - rec_t* ibuf_rec; - ulint page_no; - ibool closed; - mtr_t mtr; - - /* Counts for discarded operations. */ - ulint dops[IBUF_OP_COUNT]; - - heap = mem_heap_create(512); - - /* Use page number 0 to build the search tuple so that we get the - cursor positioned at the first entry for this space id */ - - search_tuple = ibuf_new_search_tuple_build(space, 0, heap); - - memset(dops, 0, sizeof(dops)); -loop: - ibuf_enter(); - - mtr_start(&mtr); - - /* Position pcur in the insert buffer at the first entry for the - space */ - btr_pcur_open_on_user_rec( - ibuf->index, search_tuple, PAGE_CUR_GE, BTR_MODIFY_LEAF, - &pcur, &mtr); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - ut_ad(btr_pcur_is_after_last_in_tree(&pcur, &mtr)); - - goto leave_loop; - } - - for (;;) { - ut_ad(btr_pcur_is_on_user_rec(&pcur)); - - ibuf_rec = btr_pcur_get_rec(&pcur); - - /* Check if the entry is for this space */ - if (ibuf_rec_get_space(ibuf_rec) != space) { - - goto leave_loop; - } - - page_no = ibuf_rec_get_page_no(ibuf_rec); - - dops[ibuf_rec_get_op_type(ibuf_rec)]++; - - /* Delete the record from ibuf */ - closed = ibuf_delete_rec(space, page_no, &pcur, search_tuple, - &mtr); - if (closed) { - /* Deletion was pessimistic and mtr was committed: - we start from the beginning again */ - - ibuf_exit(); - - goto loop; - } - - if (btr_pcur_is_after_last_on_page(&pcur)) { - mtr_commit(&mtr); - btr_pcur_close(&pcur); - - ibuf_exit(); - - goto loop; - } - } - -leave_loop: - mtr_commit(&mtr); - btr_pcur_close(&pcur); - - /* Protect our statistics keeping from race conditions */ - mutex_enter(&ibuf_mutex); - ibuf_add_ops(ibuf->n_discarded_ops, dops); - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - mem_heap_free(heap); -} - -/******************************************************************//** -Looks if the insert buffer is empty. -@return TRUE if empty */ -UNIV_INTERN -ibool -ibuf_is_empty(void) -/*===============*/ -{ - ibool is_empty; - const page_t* root; - mtr_t mtr; - - ibuf_enter(); - - mutex_enter(&ibuf_mutex); - - mtr_start(&mtr); - - root = ibuf_tree_root_get(&mtr); - - if (page_get_n_recs(root) == 0) { - - is_empty = TRUE; - - if (ibuf->empty == FALSE) { - fprintf(stderr, - "InnoDB: Warning: insert buffer tree is empty" - " but the data struct does not\n" - "InnoDB: know it. This condition is legal" - " if the master thread has not yet\n" - "InnoDB: run to completion.\n"); - } - } else { - ut_a(ibuf->empty == FALSE); - - is_empty = FALSE; - } - - mtr_commit(&mtr); - - mutex_exit(&ibuf_mutex); - - ibuf_exit(); - - return(is_empty); -} - -/******************************************************************//** -Prints info of ibuf. */ -UNIV_INTERN -void -ibuf_print( -/*=======*/ - FILE* file) /*!< in: file where to print */ -{ -#ifdef UNIV_IBUF_COUNT_DEBUG - ulint i; - ulint j; -#endif - - mutex_enter(&ibuf_mutex); - - fprintf(file, - "Ibuf: size %lu, free list len %lu," - " seg size %lu, %lu merges\n", - (ulong) ibuf->size, - (ulong) ibuf->free_list_len, - (ulong) ibuf->seg_size, - (ulong) ibuf->n_merges); - - fputs("merged operations:\n ", file); - ibuf_print_ops(ibuf->n_merged_ops, file); - - fputs("discarded operations:\n ", file); - ibuf_print_ops(ibuf->n_discarded_ops, file); - -#ifdef UNIV_IBUF_COUNT_DEBUG - for (i = 0; i < IBUF_COUNT_N_SPACES; i++) { - for (j = 0; j < IBUF_COUNT_N_PAGES; j++) { - ulint count = ibuf_count_get(i, j); - - if (count > 0) { - fprintf(stderr, - "Ibuf count for space/page %lu/%lu" - " is %lu\n", - (ulong) i, (ulong) j, (ulong) count); - } - } - } -#endif /* UNIV_IBUF_COUNT_DEBUG */ - - mutex_exit(&ibuf_mutex); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0btr.h b/perfschema/include/btr0btr.h deleted file mode 100644 index cc4063cc32c..00000000000 --- a/perfschema/include/btr0btr.h +++ /dev/null @@ -1,528 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0btr.h -The B-tree - -Created 6/2/1994 Heikki Tuuri -*******************************************************/ - -#ifndef btr0btr_h -#define btr0btr_h - -#include "univ.i" - -#include "dict0dict.h" -#include "data0data.h" -#include "page0cur.h" -#include "mtr0mtr.h" -#include "btr0types.h" - -#ifndef UNIV_HOTBACKUP -/** Maximum record size which can be stored on a page, without using the -special big record storage structure */ -#define BTR_PAGE_MAX_REC_SIZE (UNIV_PAGE_SIZE / 2 - 200) - -/** @brief Maximum depth of a B-tree in InnoDB. - -Note that this isn't a maximum as such; none of the tree operations -avoid producing trees bigger than this. It is instead a "max depth -that other code must work with", useful for e.g. fixed-size arrays -that must store some information about each level in a tree. In other -words: if a B-tree with bigger depth than this is encountered, it is -not acceptable for it to lead to mysterious memory corruption, but it -is acceptable for the program to die with a clear assert failure. */ -#define BTR_MAX_LEVELS 100 - -/** Latching modes for btr_cur_search_to_nth_level(). */ -enum btr_latch_mode { - /** Search a record on a leaf page and S-latch it. */ - BTR_SEARCH_LEAF = RW_S_LATCH, - /** (Prepare to) modify a record on a leaf page and X-latch it. */ - BTR_MODIFY_LEAF = RW_X_LATCH, - /** Obtain no latches. */ - BTR_NO_LATCHES = RW_NO_LATCH, - /** Start modifying the entire B-tree. */ - BTR_MODIFY_TREE = 33, - /** Continue modifying the entire B-tree. */ - BTR_CONT_MODIFY_TREE = 34, - /** Search the previous record. */ - BTR_SEARCH_PREV = 35, - /** Modify the previous record. */ - BTR_MODIFY_PREV = 36 -}; - -/* BTR_INSERT, BTR_DELETE and BTR_DELETE_MARK are mutually exclusive. */ - -/** If this is ORed to btr_latch_mode, it means that the search tuple -will be inserted to the index, at the searched position. -When the record is not in the buffer pool, try to use the insert buffer. */ -#define BTR_INSERT 512 - -/** This flag ORed to btr_latch_mode says that we do the search in query -optimization */ -#define BTR_ESTIMATE 1024 - -/** This flag ORed to btr_latch_mode says that we can ignore possible -UNIQUE definition on secondary indexes when we decide if we can use -the insert buffer to speed up inserts */ -#define BTR_IGNORE_SEC_UNIQUE 2048 - -/** Try to delete mark the record at the searched position using the -insert/delete buffer when the record is not in the buffer pool. */ -#define BTR_DELETE_MARK 4096 - -/** Try to purge the record at the searched position using the insert/delete -buffer when the record is not in the buffer pool. */ -#define BTR_DELETE 8192 - -/**************************************************************//** -Gets the root node of a tree and x-latches it. -@return root page, x-latched */ -UNIV_INTERN -page_t* -btr_root_get( -/*=========*/ - dict_index_t* index, /*!< in: index tree */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Gets a buffer page and declares its latching order level. */ -UNIV_INLINE -buf_block_t* -btr_block_get( -/*==========*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - ulint mode, /*!< in: latch mode */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Gets a buffer page and declares its latching order level. */ -UNIV_INLINE -page_t* -btr_page_get( -/*=========*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - ulint mode, /*!< in: latch mode */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* !UNIV_HOTBACKUP */ -/**************************************************************//** -Gets the index id field of a page. -@return index id */ -UNIV_INLINE -dulint -btr_page_get_index_id( -/*==================*/ - const page_t* page); /*!< in: index page */ -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Gets the node level field in an index page. -@return level, leaf level == 0 */ -UNIV_INLINE -ulint -btr_page_get_level_low( -/*===================*/ - const page_t* page); /*!< in: index page */ -/********************************************************//** -Gets the node level field in an index page. -@return level, leaf level == 0 */ -UNIV_INLINE -ulint -btr_page_get_level( -/*===============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Gets the next index page number. -@return next page number */ -UNIV_INLINE -ulint -btr_page_get_next( -/*==============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Gets the previous index page number. -@return prev page number */ -UNIV_INLINE -ulint -btr_page_get_prev( -/*==============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/*************************************************************//** -Gets pointer to the previous user record in the tree. It is assumed -that the caller has appropriate latches on the page and its neighbor. -@return previous user record, NULL if there is none */ -UNIV_INTERN -rec_t* -btr_get_prev_user_rec( -/*==================*/ - rec_t* rec, /*!< in: record on leaf level */ - mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if - needed, also to the previous page */ -/*************************************************************//** -Gets pointer to the next user record in the tree. It is assumed -that the caller has appropriate latches on the page and its neighbor. -@return next user record, NULL if there is none */ -UNIV_INTERN -rec_t* -btr_get_next_user_rec( -/*==================*/ - rec_t* rec, /*!< in: record on leaf level */ - mtr_t* mtr); /*!< in: mtr holding a latch on the page, and if - needed, also to the next page */ -/**************************************************************//** -Releases the latch on a leaf page and bufferunfixes it. */ -UNIV_INLINE -void -btr_leaf_page_release( -/*==================*/ - buf_block_t* block, /*!< in: buffer block */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or - BTR_MODIFY_LEAF */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Gets the child node file address in a node pointer. -NOTE: the offsets array must contain all offsets for the record since -we read the last field according to offsets and assume that it contains -the child page number. In other words offsets must have been retrieved -with rec_get_offsets(n_fields=ULINT_UNDEFINED). -@return child node address */ -UNIV_INLINE -ulint -btr_node_ptr_get_child_page_no( -/*===========================*/ - const rec_t* rec, /*!< in: node pointer record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/************************************************************//** -Creates the root node for a new index tree. -@return page number of the created root, FIL_NULL if did not succeed */ -UNIV_INTERN -ulint -btr_create( -/*=======*/ - ulint type, /*!< in: type of the index */ - ulint space, /*!< in: space where created */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - dulint index_id,/*!< in: index id */ - dict_index_t* index, /*!< in: index */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/************************************************************//** -Frees a B-tree except the root page, which MUST be freed after this -by calling btr_free_root. */ -UNIV_INTERN -void -btr_free_but_not_root( -/*==================*/ - ulint space, /*!< in: space where created */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint root_page_no); /*!< in: root page number */ -/************************************************************//** -Frees the B-tree root page. Other tree MUST already have been freed. */ -UNIV_INTERN -void -btr_free_root( -/*==========*/ - ulint space, /*!< in: space where created */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint root_page_no, /*!< in: root page number */ - mtr_t* mtr); /*!< in: a mini-transaction which has already - been started */ -/*************************************************************//** -Makes tree one level higher by splitting the root, and inserts -the tuple. It is assumed that mtr contains an x-latch on the tree. -NOTE that the operation of this function must always succeed, -we cannot reverse it: therefore enough free disk space must be -guaranteed to be available before this function is called. -@return inserted record */ -UNIV_INTERN -rec_t* -btr_root_raise_and_insert( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert: must be - on the root page; when the function returns, - the cursor is positioned on the predecessor - of the inserted record */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Reorganizes an index page. -IMPORTANT: if btr_page_reorganize() is invoked on a compressed leaf -page of a non-clustered index, the caller must update the insert -buffer free bits in the same mini-transaction in such a way that the -modification will be redo-logged. -@return TRUE on success, FALSE on failure */ -UNIV_INTERN -ibool -btr_page_reorganize( -/*================*/ - buf_block_t* block, /*!< in: page to be reorganized */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Decides if the page should be split at the convergence point of -inserts converging to left. -@return TRUE if split recommended */ -UNIV_INTERN -ibool -btr_page_get_split_rec_to_left( -/*===========================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert */ - rec_t** split_rec);/*!< out: if split recommended, - the first record on upper half page, - or NULL if tuple should be first */ -/*************************************************************//** -Decides if the page should be split at the convergence point of -inserts converging to right. -@return TRUE if split recommended */ -UNIV_INTERN -ibool -btr_page_get_split_rec_to_right( -/*============================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert */ - rec_t** split_rec);/*!< out: if split recommended, - the first record on upper half page, - or NULL if tuple should be first */ -/*************************************************************//** -Splits an index page to halves and inserts the tuple. It is assumed -that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is -released within this function! NOTE that the operation of this -function must always succeed, we cannot reverse it: therefore enough -free disk space (2 pages) must be guaranteed to be available before -this function is called. - -@return inserted record */ -UNIV_INTERN -rec_t* -btr_page_split_and_insert( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor at which to insert; when the - function returns, the cursor is positioned - on the predecessor of the inserted record */ - const dtuple_t* tuple, /*!< in: tuple to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr); /*!< in: mtr */ -/*******************************************************//** -Inserts a data tuple to a tree on a non-leaf level. It is assumed -that mtr holds an x-latch on the tree. */ -UNIV_INTERN -void -btr_insert_on_non_leaf_level_func( -/*==============================*/ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: level, must be > 0 */ - dtuple_t* tuple, /*!< in: the record to be inserted */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -# define btr_insert_on_non_leaf_level(i,l,t,m) \ - btr_insert_on_non_leaf_level_func(i,l,t,__FILE__,__LINE__,m) -#endif /* !UNIV_HOTBACKUP */ -/****************************************************************//** -Sets a record as the predefined minimum record. */ -UNIV_INTERN -void -btr_set_min_rec_mark( -/*=================*/ - rec_t* rec, /*!< in/out: record */ - mtr_t* mtr); /*!< in: mtr */ -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Deletes on the upper level the node pointer to a page. */ -UNIV_INTERN -void -btr_node_ptr_delete( -/*================*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: page whose node pointer is deleted */ - mtr_t* mtr); /*!< in: mtr */ -#ifdef UNIV_DEBUG -/************************************************************//** -Checks that the node pointer to a page is appropriate. -@return TRUE */ -UNIV_INTERN -ibool -btr_check_node_ptr( -/*===============*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: index page */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* UNIV_DEBUG */ -/*************************************************************//** -Tries to merge the page first to the left immediate brother if such a -brother exists, and the node pointers to the current page and to the -brother reside on the same page. If the left brother does not satisfy these -conditions, looks at the right brother. If the page is the only one on that -level lifts the records of the page to the father page, thus reducing the -tree height. It is assumed that mtr holds an x-latch on the tree and on the -page. If cursor is on the leaf level, mtr must also hold x-latches to -the brothers, if they exist. -@return TRUE on success */ -UNIV_INTERN -ibool -btr_compress( -/*=========*/ - btr_cur_t* cursor, /*!< in: cursor on the page to merge or lift; - the page must not be empty: in record delete - use btr_discard_page if the page would become - empty */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Discards a page from a B-tree. This is used to remove the last record from -a B-tree page: the whole page must be removed at the same time. This cannot -be used for the root page, which is allowed to be empty. */ -UNIV_INTERN -void -btr_discard_page( -/*=============*/ - btr_cur_t* cursor, /*!< in: cursor on the page to discard: not on - the root page */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* !UNIV_HOTBACKUP */ -/****************************************************************//** -Parses the redo log record for setting an index record as the predefined -minimum record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_parse_set_min_rec_mark( -/*=======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - ulint comp, /*!< in: nonzero=compact page format */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/***********************************************************//** -Parses a redo log record of reorganizing a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_parse_page_reorganize( -/*======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - dict_index_t* index, /*!< in: record descriptor */ - buf_block_t* block, /*!< in: page to be reorganized, or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -#ifndef UNIV_HOTBACKUP -/**************************************************************//** -Gets the number of pages in a B-tree. -@return number of pages */ -UNIV_INTERN -ulint -btr_get_size( -/*=========*/ - dict_index_t* index, /*!< in: index */ - ulint flag); /*!< in: BTR_N_LEAF_PAGES or BTR_TOTAL_SIZE */ -/**************************************************************//** -Allocates a new file page to be used in an index tree. NOTE: we assume -that the caller has made the reservation for free extents! -@return new allocated block, x-latched; NULL if out of space */ -UNIV_INTERN -buf_block_t* -btr_page_alloc( -/*===========*/ - dict_index_t* index, /*!< in: index tree */ - ulint hint_page_no, /*!< in: hint of a good page */ - byte file_direction, /*!< in: direction where a possible - page split is made */ - ulint level, /*!< in: level where the page is placed - in the tree */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Frees a file page used in an index tree. NOTE: cannot free field external -storage pages because the page must contain info on its level. */ -UNIV_INTERN -void -btr_page_free( -/*==========*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: block to be freed, x-latched */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Frees a file page used in an index tree. Can be used also to BLOB -external storage pages, because the page level 0 can be given as an -argument. */ -UNIV_INTERN -void -btr_page_free_low( -/*==============*/ - dict_index_t* index, /*!< in: index tree */ - buf_block_t* block, /*!< in: block to be freed, x-latched */ - ulint level, /*!< in: page level */ - mtr_t* mtr); /*!< in: mtr */ -#ifdef UNIV_BTR_PRINT -/*************************************************************//** -Prints size info of a B-tree. */ -UNIV_INTERN -void -btr_print_size( -/*===========*/ - dict_index_t* index); /*!< in: index tree */ -/**************************************************************//** -Prints directories and other info of all nodes in the index. */ -UNIV_INTERN -void -btr_print_index( -/*============*/ - dict_index_t* index, /*!< in: index */ - ulint width); /*!< in: print this many entries from start - and end */ -#endif /* UNIV_BTR_PRINT */ -/************************************************************//** -Checks the size and number of fields in a record based on the definition of -the index. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_index_rec_validate( -/*===================*/ - const rec_t* rec, /*!< in: index record */ - const dict_index_t* index, /*!< in: index */ - ibool dump_on_error); /*!< in: TRUE if the function - should print hex dump of record - and page on error */ -/**************************************************************//** -Checks the consistency of an index tree. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_validate_index( -/*===============*/ - dict_index_t* index, /*!< in: index */ - trx_t* trx); /*!< in: transaction or NULL */ - -#define BTR_N_LEAF_PAGES 1 -#define BTR_TOTAL_SIZE 2 -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "btr0btr.ic" -#endif - -#endif diff --git a/perfschema/include/btr0btr.ic b/perfschema/include/btr0btr.ic deleted file mode 100644 index 4ec27117d85..00000000000 --- a/perfschema/include/btr0btr.ic +++ /dev/null @@ -1,314 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0btr.ic -The B-tree - -Created 6/2/1994 Heikki Tuuri -*******************************************************/ - -#include "mach0data.h" -#ifndef UNIV_HOTBACKUP -#include "mtr0mtr.h" -#include "mtr0log.h" -#include "page0zip.h" - -#define BTR_MAX_NODE_LEVEL 50 /*!< Maximum B-tree page level - (not really a hard limit). - Used in debug assertions - in btr_page_set_level and - btr_page_get_level_low */ - -/**************************************************************//** -Gets a buffer page and declares its latching order level. */ -UNIV_INLINE -buf_block_t* -btr_block_get( -/*==========*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - ulint mode, /*!< in: latch mode */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - - block = buf_page_get(space, zip_size, page_no, mode, mtr); - - if (mode != RW_NO_LATCH) { - - buf_block_dbg_add_level(block, SYNC_TREE_NODE); - } - - return(block); -} - -/**************************************************************//** -Gets a buffer page and declares its latching order level. */ -UNIV_INLINE -page_t* -btr_page_get( -/*=========*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - ulint mode, /*!< in: latch mode */ - mtr_t* mtr) /*!< in: mtr */ -{ - return(buf_block_get_frame(btr_block_get(space, zip_size, page_no, - mode, mtr))); -} - -/**************************************************************//** -Sets the index id field of a page. */ -UNIV_INLINE -void -btr_page_set_index_id( -/*==================*/ - page_t* page, /*!< in: page to be created */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - dulint id, /*!< in: index id */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_8(page + (PAGE_HEADER + PAGE_INDEX_ID), id); - page_zip_write_header(page_zip, - page + (PAGE_HEADER + PAGE_INDEX_ID), - 8, mtr); - } else { - mlog_write_dulint(page + (PAGE_HEADER + PAGE_INDEX_ID), - id, mtr); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/**************************************************************//** -Gets the index id field of a page. -@return index id */ -UNIV_INLINE -dulint -btr_page_get_index_id( -/*==================*/ - const page_t* page) /*!< in: index page */ -{ - return(mach_read_from_8(page + PAGE_HEADER + PAGE_INDEX_ID)); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Gets the node level field in an index page. -@return level, leaf level == 0 */ -UNIV_INLINE -ulint -btr_page_get_level_low( -/*===================*/ - const page_t* page) /*!< in: index page */ -{ - ulint level; - - ut_ad(page); - - level = mach_read_from_2(page + PAGE_HEADER + PAGE_LEVEL); - - ut_ad(level <= BTR_MAX_NODE_LEVEL); - - return(level); -} - -/********************************************************//** -Gets the node level field in an index page. -@return level, leaf level == 0 */ -UNIV_INLINE -ulint -btr_page_get_level( -/*===============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - return(btr_page_get_level_low(page)); -} - -/********************************************************//** -Sets the node level field in an index page. */ -UNIV_INLINE -void -btr_page_set_level( -/*===============*/ - page_t* page, /*!< in: index page */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - ulint level, /*!< in: level, leaf level == 0 */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - ut_ad(level <= BTR_MAX_NODE_LEVEL); - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_2(page + (PAGE_HEADER + PAGE_LEVEL), level); - page_zip_write_header(page_zip, - page + (PAGE_HEADER + PAGE_LEVEL), - 2, mtr); - } else { - mlog_write_ulint(page + (PAGE_HEADER + PAGE_LEVEL), level, - MLOG_2BYTES, mtr); - } -} - -/********************************************************//** -Gets the next index page number. -@return next page number */ -UNIV_INLINE -ulint -btr_page_get_next( -/*==============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX) - || mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_S_FIX)); - - return(mach_read_from_4(page + FIL_PAGE_NEXT)); -} - -/********************************************************//** -Sets the next index page field. */ -UNIV_INLINE -void -btr_page_set_next( -/*==============*/ - page_t* page, /*!< in: index page */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - ulint next, /*!< in: next page number */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_4(page + FIL_PAGE_NEXT, next); - page_zip_write_header(page_zip, page + FIL_PAGE_NEXT, 4, mtr); - } else { - mlog_write_ulint(page + FIL_PAGE_NEXT, next, MLOG_4BYTES, mtr); - } -} - -/********************************************************//** -Gets the previous index page number. -@return prev page number */ -UNIV_INLINE -ulint -btr_page_get_prev( -/*==============*/ - const page_t* page, /*!< in: index page */ - mtr_t* mtr __attribute__((unused))) /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - return(mach_read_from_4(page + FIL_PAGE_PREV)); -} - -/********************************************************//** -Sets the previous index page field. */ -UNIV_INLINE -void -btr_page_set_prev( -/*==============*/ - page_t* page, /*!< in: index page */ - page_zip_des_t* page_zip,/*!< in: compressed page whose uncompressed - part will be updated, or NULL */ - ulint prev, /*!< in: previous page number */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_4(page + FIL_PAGE_PREV, prev); - page_zip_write_header(page_zip, page + FIL_PAGE_PREV, 4, mtr); - } else { - mlog_write_ulint(page + FIL_PAGE_PREV, prev, MLOG_4BYTES, mtr); - } -} - -/**************************************************************//** -Gets the child node file address in a node pointer. -NOTE: the offsets array must contain all offsets for the record since -we read the last field according to offsets and assume that it contains -the child page number. In other words offsets must have been retrieved -with rec_get_offsets(n_fields=ULINT_UNDEFINED). -@return child node address */ -UNIV_INLINE -ulint -btr_node_ptr_get_child_page_no( -/*===========================*/ - const rec_t* rec, /*!< in: node pointer record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - const byte* field; - ulint len; - ulint page_no; - - ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec)); - - /* The child address is in the last field */ - field = rec_get_nth_field(rec, offsets, - rec_offs_n_fields(offsets) - 1, &len); - - ut_ad(len == 4); - - page_no = mach_read_from_4(field); - - if (UNIV_UNLIKELY(page_no == 0)) { - fprintf(stderr, - "InnoDB: a nonsensical page number 0" - " in a node ptr record at offset %lu\n", - (ulong) page_offset(rec)); - buf_page_print(page_align(rec), 0); - } - - return(page_no); -} - -/**************************************************************//** -Releases the latches on a leaf page and bufferunfixes it. */ -UNIV_INLINE -void -btr_leaf_page_release( -/*==================*/ - buf_block_t* block, /*!< in: buffer block */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or - BTR_MODIFY_LEAF */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(latch_mode == BTR_SEARCH_LEAF || latch_mode == BTR_MODIFY_LEAF); - ut_ad(!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)); - - mtr_memo_release(mtr, block, - latch_mode == BTR_SEARCH_LEAF - ? MTR_MEMO_PAGE_S_FIX - : MTR_MEMO_PAGE_X_FIX); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0cur.h b/perfschema/include/btr0cur.h deleted file mode 100644 index 136d2d068a1..00000000000 --- a/perfschema/include/btr0cur.h +++ /dev/null @@ -1,787 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0cur.h -The index tree cursor - -Created 10/16/1994 Heikki Tuuri -*******************************************************/ - -#ifndef btr0cur_h -#define btr0cur_h - -#include "univ.i" -#include "dict0dict.h" -#include "page0cur.h" -#include "btr0types.h" - -/* Mode flags for btr_cur operations; these can be ORed */ -#define BTR_NO_UNDO_LOG_FLAG 1 /* do no undo logging */ -#define BTR_NO_LOCKING_FLAG 2 /* do no record lock checking */ -#define BTR_KEEP_SYS_FLAG 4 /* sys fields will be found from the - update vector or inserted entry */ - -#ifndef UNIV_HOTBACKUP -#include "que0types.h" -#include "row0types.h" -#include "ha0ha.h" - -#define BTR_CUR_ADAPT -#define BTR_CUR_HASH_ADAPT - -#ifdef UNIV_DEBUG -/*********************************************************//** -Returns the page cursor component of a tree cursor. -@return pointer to page cursor component */ -UNIV_INLINE -page_cur_t* -btr_cur_get_page_cur( -/*=================*/ - const btr_cur_t* cursor);/*!< in: tree cursor */ -#else /* UNIV_DEBUG */ -# define btr_cur_get_page_cur(cursor) (&(cursor)->page_cur) -#endif /* UNIV_DEBUG */ -/*********************************************************//** -Returns the buffer block on which the tree cursor is positioned. -@return pointer to buffer block */ -UNIV_INLINE -buf_block_t* -btr_cur_get_block( -/*==============*/ - btr_cur_t* cursor);/*!< in: tree cursor */ -/*********************************************************//** -Returns the record pointer of a tree cursor. -@return pointer to record */ -UNIV_INLINE -rec_t* -btr_cur_get_rec( -/*============*/ - btr_cur_t* cursor);/*!< in: tree cursor */ -/*********************************************************//** -Returns the compressed page on which the tree cursor is positioned. -@return pointer to compressed page, or NULL if the page is not compressed */ -UNIV_INLINE -page_zip_des_t* -btr_cur_get_page_zip( -/*=================*/ - btr_cur_t* cursor);/*!< in: tree cursor */ -/*********************************************************//** -Invalidates a tree cursor by setting record pointer to NULL. */ -UNIV_INLINE -void -btr_cur_invalidate( -/*===============*/ - btr_cur_t* cursor);/*!< in: tree cursor */ -/*********************************************************//** -Returns the page of a tree cursor. -@return pointer to page */ -UNIV_INLINE -page_t* -btr_cur_get_page( -/*=============*/ - btr_cur_t* cursor);/*!< in: tree cursor */ -/*********************************************************//** -Returns the index of a cursor. -@return index */ -UNIV_INLINE -dict_index_t* -btr_cur_get_index( -/*==============*/ - btr_cur_t* cursor);/*!< in: B-tree cursor */ -/*********************************************************//** -Positions a tree cursor at a given record. */ -UNIV_INLINE -void -btr_cur_position( -/*=============*/ - dict_index_t* index, /*!< in: index */ - rec_t* rec, /*!< in: record in tree */ - buf_block_t* block, /*!< in: buffer block of rec */ - btr_cur_t* cursor);/*!< in: cursor */ -/********************************************************************//** -Searches an index tree and positions a tree cursor on a given level. -NOTE: n_fields_cmp in tuple must be set so that it cannot be compared -to node pointer page number fields on the upper levels of the tree! -Note that if mode is PAGE_CUR_LE, which is used in inserts, then -cursor->up_match and cursor->low_match both will have sensible values. -If mode is PAGE_CUR_GE, then up_match will a have a sensible value. */ -UNIV_INTERN -void -btr_cur_search_to_nth_level( -/*========================*/ - dict_index_t* index, /*!< in: index */ - ulint level, /*!< in: the tree level of search */ - const dtuple_t* tuple, /*!< in: data tuple; NOTE: n_fields_cmp in - tuple must be set so that it cannot get - compared to the node ptr page number field! */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - NOTE that if the search is made using a unique - prefix of a record, mode should be PAGE_CUR_LE, - not PAGE_CUR_GE, as the latter may end up on - the previous page of the record! Inserts - should always be made using PAGE_CUR_LE to - search the position! */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ..., ORed with - at most one of BTR_INSERT, BTR_DELETE_MARK, - BTR_DELETE, or BTR_ESTIMATE; - cursor->left_block is used to store a pointer - to the left neighbor page, in the cases - BTR_SEARCH_PREV and BTR_MODIFY_PREV; - NOTE that if has_search_latch - is != 0, we maybe do not have a latch set - on the cursor page, we assume - the caller uses his search latch - to protect the record! */ - btr_cur_t* cursor, /*!< in/out: tree cursor; the cursor page is - s- or x-latched, but see also above! */ - ulint has_search_latch,/*!< in: latch mode the caller - currently has on btr_search_latch: - RW_S_LATCH, or 0 */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Opens a cursor at either end of an index. */ -UNIV_INTERN -void -btr_cur_open_at_index_side_func( -/*============================*/ - ibool from_left, /*!< in: TRUE if open to the low end, - FALSE if to the high end */ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: latch mode */ - btr_cur_t* cursor, /*!< in: cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_cur_open_at_index_side(f,i,l,c,m) \ - btr_cur_open_at_index_side_func(f,i,l,c,__FILE__,__LINE__,m) -/**********************************************************************//** -Positions a cursor at a randomly chosen position within a B-tree. */ -UNIV_INTERN -void -btr_cur_open_at_rnd_pos_func( -/*=========================*/ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /*!< in/out: B-tree cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_cur_open_at_rnd_pos(i,l,c,m) \ - btr_cur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) -/*************************************************************//** -Tries to perform an insert to a page in an index tree, next to cursor. -It is assumed that mtr holds an x-latch on the page. The operation does -not succeed if there is too little space on the page. If there is just -one record on the page, the insert will always succeed; this is to -prevent trying to split a page with just one record. -@return DB_SUCCESS, DB_WAIT_LOCK, DB_FAIL, or error number */ -UNIV_INTERN -ulint -btr_cur_optimistic_insert( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags: if not - zero, the parameters index and thr should be - specified */ - btr_cur_t* cursor, /*!< in: cursor on page after which to insert; - cursor stays valid */ - dtuple_t* entry, /*!< in/out: entry to insert */ - rec_t** rec, /*!< out: pointer to inserted record if - succeed */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or - NULL */ - ulint n_ext, /*!< in: number of externally stored columns */ - que_thr_t* thr, /*!< in: query thread or NULL */ - mtr_t* mtr); /*!< in: mtr; if this function returns - DB_SUCCESS on a leaf page of a secondary - index in a compressed tablespace, the - mtr must be committed before latching - any further pages */ -/*************************************************************//** -Performs an insert on a page of an index tree. It is assumed that mtr -holds an x-latch on the tree and on the cursor page. If the insert is -made on the leaf level, to avoid deadlocks, mtr must also own x-latches -to brothers of page, if those brothers exist. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -btr_cur_pessimistic_insert( -/*=======================*/ - ulint flags, /*!< in: undo logging and locking flags: if not - zero, the parameter thr should be - specified; if no undo logging is specified, - then the caller must have reserved enough - free extents in the file space so that the - insertion will certainly succeed */ - btr_cur_t* cursor, /*!< in: cursor after which to insert; - cursor stays valid */ - dtuple_t* entry, /*!< in/out: entry to insert */ - rec_t** rec, /*!< out: pointer to inserted record if - succeed */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or - NULL */ - ulint n_ext, /*!< in: number of externally stored columns */ - que_thr_t* thr, /*!< in: query thread or NULL */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Updates a record when the update causes no size changes in its fields. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -btr_cur_update_in_place( -/*====================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update; - cursor stays valid and positioned on the - same record */ - const upd_t* update, /*!< in: update vector */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in: mtr; must be committed before - latching any further pages */ -/*************************************************************//** -Tries to update a record on a page in an index tree. It is assumed that mtr -holds an x-latch on the page. The operation does not succeed if there is too -little space on the page or if the update would result in too empty a page, -so that tree compression is recommended. -@return DB_SUCCESS, or DB_OVERFLOW if the updated record does not fit, -DB_UNDERFLOW if the page would become too empty, or DB_ZIP_OVERFLOW if -there is not enough space left on the compressed page */ -UNIV_INTERN -ulint -btr_cur_optimistic_update( -/*======================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update; - cursor stays valid and positioned on the - same record */ - const upd_t* update, /*!< in: update vector; this must also - contain trx id and roll ptr fields */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in: mtr; must be committed before - latching any further pages */ -/*************************************************************//** -Performs an update of a record on a page of a tree. It is assumed -that mtr holds an x-latch on the tree and on the cursor page. If the -update is made on the leaf level, to avoid deadlocks, mtr must also -own x-latches to brothers of page, if those brothers exist. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -btr_cur_pessimistic_update( -/*=======================*/ - ulint flags, /*!< in: undo logging, locking, and rollback - flags */ - btr_cur_t* cursor, /*!< in: cursor on the record to update */ - mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/*!< out: big rec vector whose fields have to - be stored externally by the caller, or NULL */ - const upd_t* update, /*!< in: update vector; this is allowed also - contain trx id and roll ptr fields, but - the values in update vector have no effect */ - ulint cmpl_info,/*!< in: compiler info on secondary index - updates */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in: mtr; must be committed before - latching any further pages */ -/***********************************************************//** -Marks a clustered index record deleted. Writes an undo log record to -undo log on this delete marking. Writes in the trx id field the id -of the deleting transaction, and in the roll ptr field pointer to the -undo log record created. -@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ -UNIV_INTERN -ulint -btr_cur_del_mark_set_clust_rec( -/*===========================*/ - ulint flags, /*!< in: undo logging and locking flags */ - btr_cur_t* cursor, /*!< in: cursor */ - ibool val, /*!< in: value to set */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in: mtr */ -/***********************************************************//** -Sets a secondary index record delete mark to TRUE or FALSE. -@return DB_SUCCESS, DB_LOCK_WAIT, or error number */ -UNIV_INTERN -ulint -btr_cur_del_mark_set_sec_rec( -/*=========================*/ - ulint flags, /*!< in: locking flag */ - btr_cur_t* cursor, /*!< in: cursor */ - ibool val, /*!< in: value to set */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Tries to compress a page of the tree if it seems useful. It is assumed -that mtr holds an x-latch on the tree and on the cursor page. To avoid -deadlocks, mtr must also own x-latches to brothers of page, if those -brothers exist. NOTE: it is assumed that the caller has reserved enough -free extents so that the compression will always succeed if done! -@return TRUE if compression occurred */ -UNIV_INTERN -ibool -btr_cur_compress_if_useful( -/*=======================*/ - btr_cur_t* cursor, /*!< in: cursor on the page to compress; - cursor does not stay valid if compression - occurs */ - mtr_t* mtr); /*!< in: mtr */ -/*******************************************************//** -Removes the record on which the tree cursor is positioned. It is assumed -that the mtr has an x-latch on the page where the cursor is positioned, -but no latch on the whole tree. -@return TRUE if success, i.e., the page did not become too empty */ -UNIV_INTERN -ibool -btr_cur_optimistic_delete( -/*======================*/ - btr_cur_t* cursor, /*!< in: cursor on the record to delete; - cursor stays valid: if deletion succeeds, - on function exit it points to the successor - of the deleted record */ - mtr_t* mtr); /*!< in: mtr; if this function returns - TRUE on a leaf page of a secondary - index, the mtr must be committed - before latching any further pages */ -/*************************************************************//** -Removes the record on which the tree cursor is positioned. Tries -to compress the page if its fillfactor drops below a threshold -or if it is the only page on the level. It is assumed that mtr holds -an x-latch on the tree and on the cursor page. To avoid deadlocks, -mtr must also own x-latches to brothers of page, if those brothers -exist. -@return TRUE if compression occurred */ -UNIV_INTERN -ibool -btr_cur_pessimistic_delete( -/*=======================*/ - ulint* err, /*!< out: DB_SUCCESS or DB_OUT_OF_FILE_SPACE; - the latter may occur because we may have - to update node pointers on upper levels, - and in the case of variable length keys - these may actually grow in size */ - ibool has_reserved_extents, /*!< in: TRUE if the - caller has already reserved enough free - extents so that he knows that the operation - will succeed */ - btr_cur_t* cursor, /*!< in: cursor on the record to delete; - if compression does not occur, the cursor - stays valid: it points to successor of - deleted record on function exit */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Parses a redo log record of updating a record in-place. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_update_in_place( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - dict_index_t* index); /*!< in: index corresponding to page */ -/****************************************************************//** -Parses the redo log record for delete marking or unmarking of a clustered -index record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_del_mark_set_clust_rec( -/*=================================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - dict_index_t* index); /*!< in: index corresponding to page */ -/****************************************************************//** -Parses the redo log record for delete marking or unmarking of a secondary -index record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -btr_cur_parse_del_mark_set_sec_rec( -/*===============================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in/out: page or NULL */ - page_zip_des_t* page_zip);/*!< in/out: compressed page, or NULL */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Estimates the number of rows in a given index range. -@return estimated number of rows */ -UNIV_INTERN -ib_int64_t -btr_estimate_n_rows_in_range( -/*=========================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple1, /*!< in: range start, may also be empty tuple */ - ulint mode1, /*!< in: search mode for range start */ - const dtuple_t* tuple2, /*!< in: range end, may also be empty tuple */ - ulint mode2); /*!< in: search mode for range end */ -/*******************************************************************//** -Estimates the number of different key values in a given index, for -each n-column prefix of the index where n <= dict_index_get_n_unique(index). -The estimates are stored in the array index->stat_n_diff_key_vals. */ -UNIV_INTERN -void -btr_estimate_number_of_different_key_vals( -/*======================================*/ - dict_index_t* index); /*!< in: index */ -/*******************************************************************//** -Marks not updated extern fields as not-owned by this record. The ownership -is transferred to the updated record which is inserted elsewhere in the -index tree. In purge only the owner of externally stored field is allowed -to free the field. */ -UNIV_INTERN -void -btr_cur_mark_extern_inherited_fields( -/*=================================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed - part will be updated, or NULL */ - rec_t* rec, /*!< in/out: record in a clustered index */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - const upd_t* update, /*!< in: update vector */ - mtr_t* mtr); /*!< in: mtr, or NULL if not logged */ -/*******************************************************************//** -The complement of the previous function: in an update entry may inherit -some externally stored fields from a record. We must mark them as inherited -in entry, so that they are not freed in a rollback. */ -UNIV_INTERN -void -btr_cur_mark_dtuple_inherited_extern( -/*=================================*/ - dtuple_t* entry, /*!< in/out: updated entry to be - inserted to clustered index */ - const upd_t* update); /*!< in: update vector */ -/*******************************************************************//** -Marks all extern fields in a dtuple as owned by the record. */ -UNIV_INTERN -void -btr_cur_unmark_dtuple_extern_fields( -/*================================*/ - dtuple_t* entry); /*!< in/out: clustered index entry */ -/*******************************************************************//** -Stores the fields in big_rec_vec to the tablespace and puts pointers to -them in rec. The extern flags in rec will have to be set beforehand. -The fields are stored on pages allocated from leaf node -file segment of the index tree. -@return DB_SUCCESS or error */ -UNIV_INTERN -ulint -btr_store_big_rec_extern_fields( -/*============================*/ - dict_index_t* index, /*!< in: index of rec; the index tree - MUST be X-latched */ - buf_block_t* rec_block, /*!< in/out: block containing rec */ - rec_t* rec, /*!< in: record */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index); - the "external storage" flags in offsets - will not correspond to rec when - this function returns */ - big_rec_t* big_rec_vec, /*!< in: vector containing fields - to be stored externally */ - mtr_t* local_mtr); /*!< in: mtr containing the latch to - rec and to the tree */ -/*******************************************************************//** -Frees the space in an externally stored field to the file space -management if the field in data is owned the externally stored field, -in a rollback we may have the additional condition that the field must -not be inherited. */ -UNIV_INTERN -void -btr_free_externally_stored_field( -/*=============================*/ - dict_index_t* index, /*!< in: index of the data, the index - tree MUST be X-latched; if the tree - height is 1, then also the root page - must be X-latched! (this is relevant - in the case this function is called - from purge where 'data' is located on - an undo log page, not an index - page) */ - byte* field_ref, /*!< in/out: field reference */ - const rec_t* rec, /*!< in: record containing field_ref, for - page_zip_write_blob_ptr(), or NULL */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index), - or NULL */ - page_zip_des_t* page_zip, /*!< in: compressed page corresponding - to rec, or NULL if rec == NULL */ - ulint i, /*!< in: field number of field_ref; - ignored if rec == NULL */ - enum trx_rb_ctx rb_ctx, /*!< in: rollback context */ - mtr_t* local_mtr); /*!< in: mtr containing the latch to - data an an X-latch to the index - tree */ -/*******************************************************************//** -Copies the prefix of an externally stored field of a record. The -clustered index record must be protected by a lock or a page latch. -@return the length of the copied field, or 0 if the column was being -or has been deleted */ -UNIV_INTERN -ulint -btr_copy_externally_stored_field_prefix( -/*====================================*/ - byte* buf, /*!< out: the field, or a prefix of it */ - ulint len, /*!< in: length of buf, in bytes */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - const byte* data, /*!< in: 'internally' stored part of the - field containing also the reference to - the external part; must be protected by - a lock or a page latch */ - ulint local_len);/*!< in: length of data, in bytes */ -/*******************************************************************//** -Copies an externally stored field of a record to mem heap. -@return the field copied to heap */ -UNIV_INTERN -byte* -btr_rec_copy_externally_stored_field( -/*=================================*/ - const rec_t* rec, /*!< in: record in a clustered index; - must be protected by a lock or a page latch */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint zip_size,/*!< in: nonzero=compressed BLOB page size, - zero for uncompressed BLOBs */ - ulint no, /*!< in: field number */ - ulint* len, /*!< out: length of the field */ - mem_heap_t* heap); /*!< in: mem heap */ -/*******************************************************************//** -Flags the data tuple fields that are marked as extern storage in the -update vector. We use this function to remember which fields we must -mark as extern storage in a record inserted for an update. -@return number of flagged external columns */ -UNIV_INTERN -ulint -btr_push_update_extern_fields( -/*==========================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const upd_t* update, /*!< in: update vector */ - mem_heap_t* heap) /*!< in: memory heap */ - __attribute__((nonnull)); -/***********************************************************//** -Sets a secondary index record's delete mark to the given value. This -function is only used by the insert buffer merge mechanism. */ -UNIV_INTERN -void -btr_cur_set_deleted_flag_for_ibuf( -/*==============================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip, /*!< in/out: compressed page - corresponding to rec, or NULL - when the tablespace is - uncompressed */ - ibool val, /*!< in: value to set */ - mtr_t* mtr); /*!< in: mtr */ -/*######################################################################*/ - -/** In the pessimistic delete, if the page data size drops below this -limit, merging it to a neighbor is tried */ -#define BTR_CUR_PAGE_COMPRESS_LIMIT (UNIV_PAGE_SIZE / 2) - -/** A slot in the path array. We store here info on a search path down the -tree. Each slot contains data on a single level of the tree. */ - -typedef struct btr_path_struct btr_path_t; -struct btr_path_struct{ - ulint nth_rec; /*!< index of the record - where the page cursor stopped on - this level (index in alphabetical - order); value ULINT_UNDEFINED - denotes array end */ - ulint n_recs; /*!< number of records on the page */ -}; - -#define BTR_PATH_ARRAY_N_SLOTS 250 /*!< size of path array (in slots) */ - -/** Values for the flag documenting the used search method */ -enum btr_cur_method { - BTR_CUR_HASH = 1, /*!< successful shortcut using - the hash index */ - BTR_CUR_HASH_FAIL, /*!< failure using hash, success using - binary search: the misleading hash - reference is stored in the field - hash_node, and might be necessary to - update */ - BTR_CUR_BINARY, /*!< success using the binary search */ - BTR_CUR_INSERT_TO_IBUF, /*!< performed the intended insert to - the insert buffer */ - BTR_CUR_DEL_MARK_IBUF, /*!< performed the intended delete - mark in the insert/delete buffer */ - BTR_CUR_DELETE_IBUF, /*!< performed the intended delete in - the insert/delete buffer */ - BTR_CUR_DELETE_REF /*!< row_purge_poss_sec() failed */ -}; - -/** The tree cursor: the definition appears here only for the compiler -to know struct size! */ -struct btr_cur_struct { - dict_index_t* index; /*!< index where positioned */ - page_cur_t page_cur; /*!< page cursor */ - purge_node_t* purge_node; /*!< purge node, for BTR_DELETE */ - buf_block_t* left_block; /*!< this field is used to store - a pointer to the left neighbor - page, in the cases - BTR_SEARCH_PREV and - BTR_MODIFY_PREV */ - /*------------------------------*/ - que_thr_t* thr; /*!< this field is only used - when btr_cur_search_to_nth_level - is called for an index entry - insertion: the calling query - thread is passed here to be - used in the insert buffer */ - /*------------------------------*/ - /** The following fields are used in - btr_cur_search_to_nth_level to pass information: */ - /* @{ */ - enum btr_cur_method flag; /*!< Search method used */ - ulint tree_height; /*!< Tree height if the search is done - for a pessimistic insert or update - operation */ - ulint up_match; /*!< If the search mode was PAGE_CUR_LE, - the number of matched fields to the - the first user record to the right of - the cursor record after - btr_cur_search_to_nth_level; - for the mode PAGE_CUR_GE, the matched - fields to the first user record AT THE - CURSOR or to the right of it; - NOTE that the up_match and low_match - values may exceed the correct values - for comparison to the adjacent user - record if that record is on a - different leaf page! (See the note in - row_ins_duplicate_key.) */ - ulint up_bytes; /*!< number of matched bytes to the - right at the time cursor positioned; - only used internally in searches: not - defined after the search */ - ulint low_match; /*!< if search mode was PAGE_CUR_LE, - the number of matched fields to the - first user record AT THE CURSOR or - to the left of it after - btr_cur_search_to_nth_level; - NOT defined for PAGE_CUR_GE or any - other search modes; see also the NOTE - in up_match! */ - ulint low_bytes; /*!< number of matched bytes to the - right at the time cursor positioned; - only used internally in searches: not - defined after the search */ - ulint n_fields; /*!< prefix length used in a hash - search if hash_node != NULL */ - ulint n_bytes; /*!< hash prefix bytes if hash_node != - NULL */ - ulint fold; /*!< fold value used in the search if - flag is BTR_CUR_HASH */ - /*----- Delete buffering -------*/ - ulint ibuf_cnt; /* in searches done on insert buffer - trees, this contains the "counter" - value (the first two bytes of the - fourth field) extracted from the - page above the leaf page, from the - father node pointer that pointed to - the leaf page. in other words, it - contains the minimum counter value - for records to be inserted on the - chosen leaf page. If for some reason - this can't be read, or if the search - ended on the leftmost leaf page in - the tree (in which case the father - node pointer had the 'minimum - record' flag set), this is - ULINT_UNDEFINED. */ - /*------------------------------*/ - /* @} */ - btr_path_t* path_arr; /*!< in estimating the number of - rows in range, we store in this array - information of the path through - the tree */ -}; - -/** If pessimistic delete fails because of lack of file space, there -is still a good change of success a little later. Try this many -times. */ -#define BTR_CUR_RETRY_DELETE_N_TIMES 100 -/** If pessimistic delete fails because of lack of file space, there -is still a good change of success a little later. Sleep this many -microseconds between retries. */ -#define BTR_CUR_RETRY_SLEEP_TIME 50000 - -/** The reference in a field for which data is stored on a different page. -The reference is at the end of the 'locally' stored part of the field. -'Locally' means storage in the index record. -We store locally a long enough prefix of each column so that we can determine -the ordering parts of each index record without looking into the externally -stored part. */ -/*-------------------------------------- @{ */ -#define BTR_EXTERN_SPACE_ID 0 /*!< space id where stored */ -#define BTR_EXTERN_PAGE_NO 4 /*!< page no where stored */ -#define BTR_EXTERN_OFFSET 8 /*!< offset of BLOB header - on that page */ -#define BTR_EXTERN_LEN 12 /*!< 8 bytes containing the - length of the externally - stored part of the BLOB. - The 2 highest bits are - reserved to the flags below. */ -/*-------------------------------------- @} */ -/* #define BTR_EXTERN_FIELD_REF_SIZE 20 // moved to btr0types.h */ - -/** The most significant bit of BTR_EXTERN_LEN (i.e., the most -significant bit of the byte at smallest address) is set to 1 if this -field does not 'own' the externally stored field; only the owner field -is allowed to free the field in purge! */ -#define BTR_EXTERN_OWNER_FLAG 128 -/** If the second most significant bit of BTR_EXTERN_LEN (i.e., the -second most significant bit of the byte at smallest address) is 1 then -it means that the externally stored field was inherited from an -earlier version of the row. In rollback we are not allowed to free an -inherited external field. */ -#define BTR_EXTERN_INHERITED_FLAG 64 - -/** Number of searches down the B-tree in btr_cur_search_to_nth_level(). */ -extern ulint btr_cur_n_non_sea; -/** Number of successful adaptive hash index lookups in -btr_cur_search_to_nth_level(). */ -extern ulint btr_cur_n_sea; -/** Old value of btr_cur_n_non_sea. Copied by -srv_refresh_innodb_monitor_stats(). Referenced by -srv_printf_innodb_monitor(). */ -extern ulint btr_cur_n_non_sea_old; -/** Old value of btr_cur_n_sea. Copied by -srv_refresh_innodb_monitor_stats(). Referenced by -srv_printf_innodb_monitor(). */ -extern ulint btr_cur_n_sea_old; -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "btr0cur.ic" -#endif - -#endif diff --git a/perfschema/include/btr0cur.ic b/perfschema/include/btr0cur.ic deleted file mode 100644 index 280583f6ccf..00000000000 --- a/perfschema/include/btr0cur.ic +++ /dev/null @@ -1,200 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0cur.ic -The index tree cursor - -Created 10/16/1994 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_HOTBACKUP -#include "btr0btr.h" - -#ifdef UNIV_DEBUG -/*********************************************************//** -Returns the page cursor component of a tree cursor. -@return pointer to page cursor component */ -UNIV_INLINE -page_cur_t* -btr_cur_get_page_cur( -/*=================*/ - const btr_cur_t* cursor) /*!< in: tree cursor */ -{ - return(&((btr_cur_t*) cursor)->page_cur); -} -#endif /* UNIV_DEBUG */ -/*********************************************************//** -Returns the buffer block on which the tree cursor is positioned. -@return pointer to buffer block */ -UNIV_INLINE -buf_block_t* -btr_cur_get_block( -/*==============*/ - btr_cur_t* cursor) /*!< in: tree cursor */ -{ - return(page_cur_get_block(btr_cur_get_page_cur(cursor))); -} - -/*********************************************************//** -Returns the record pointer of a tree cursor. -@return pointer to record */ -UNIV_INLINE -rec_t* -btr_cur_get_rec( -/*============*/ - btr_cur_t* cursor) /*!< in: tree cursor */ -{ - return(page_cur_get_rec(&(cursor->page_cur))); -} - -/*********************************************************//** -Returns the compressed page on which the tree cursor is positioned. -@return pointer to compressed page, or NULL if the page is not compressed */ -UNIV_INLINE -page_zip_des_t* -btr_cur_get_page_zip( -/*=================*/ - btr_cur_t* cursor) /*!< in: tree cursor */ -{ - return(buf_block_get_page_zip(btr_cur_get_block(cursor))); -} - -/*********************************************************//** -Invalidates a tree cursor by setting record pointer to NULL. */ -UNIV_INLINE -void -btr_cur_invalidate( -/*===============*/ - btr_cur_t* cursor) /*!< in: tree cursor */ -{ - page_cur_invalidate(&(cursor->page_cur)); -} - -/*********************************************************//** -Returns the page of a tree cursor. -@return pointer to page */ -UNIV_INLINE -page_t* -btr_cur_get_page( -/*=============*/ - btr_cur_t* cursor) /*!< in: tree cursor */ -{ - return(page_align(page_cur_get_rec(&(cursor->page_cur)))); -} - -/*********************************************************//** -Returns the index of a cursor. -@return index */ -UNIV_INLINE -dict_index_t* -btr_cur_get_index( -/*==============*/ - btr_cur_t* cursor) /*!< in: B-tree cursor */ -{ - return(cursor->index); -} - -/*********************************************************//** -Positions a tree cursor at a given record. */ -UNIV_INLINE -void -btr_cur_position( -/*=============*/ - dict_index_t* index, /*!< in: index */ - rec_t* rec, /*!< in: record in tree */ - buf_block_t* block, /*!< in: buffer block of rec */ - btr_cur_t* cursor) /*!< out: cursor */ -{ - ut_ad(page_align(rec) == block->frame); - - page_cur_position(rec, block, btr_cur_get_page_cur(cursor)); - - cursor->index = index; -} - -/*********************************************************************//** -Checks if compressing an index page where a btr cursor is placed makes -sense. -@return TRUE if compression is recommended */ -UNIV_INLINE -ibool -btr_cur_compress_recommendation( -/*============================*/ - btr_cur_t* cursor, /*!< in: btr cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - - ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), - MTR_MEMO_PAGE_X_FIX)); - - page = btr_cur_get_page(cursor); - - if ((page_get_data_size(page) < BTR_CUR_PAGE_COMPRESS_LIMIT) - || ((btr_page_get_next(page, mtr) == FIL_NULL) - && (btr_page_get_prev(page, mtr) == FIL_NULL))) { - - /* The page fillfactor has dropped below a predefined - minimum value OR the level in the B-tree contains just - one page: we recommend compression if this is not the - root page. */ - - return(dict_index_get_page(cursor->index) - != page_get_page_no(page)); - } - - return(FALSE); -} - -/*********************************************************************//** -Checks if the record on which the cursor is placed can be deleted without -making tree compression necessary (or, recommended). -@return TRUE if can be deleted without recommended compression */ -UNIV_INLINE -ibool -btr_cur_can_delete_without_compress( -/*================================*/ - btr_cur_t* cursor, /*!< in: btr cursor */ - ulint rec_size,/*!< in: rec_get_size(btr_cur_get_rec(cursor))*/ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* page; - - ut_ad(mtr_memo_contains(mtr, btr_cur_get_block(cursor), - MTR_MEMO_PAGE_X_FIX)); - - page = btr_cur_get_page(cursor); - - if ((page_get_data_size(page) - rec_size < BTR_CUR_PAGE_COMPRESS_LIMIT) - || ((btr_page_get_next(page, mtr) == FIL_NULL) - && (btr_page_get_prev(page, mtr) == FIL_NULL)) - || (page_get_n_recs(page) < 2)) { - - /* The page fillfactor will drop below a predefined - minimum value, OR the level in the B-tree contains just - one page, OR the page will become empty: we recommend - compression if this is not the root page. */ - - return(dict_index_get_page(cursor->index) - == page_get_page_no(page)); - } - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/btr0pcur.h b/perfschema/include/btr0pcur.h deleted file mode 100644 index 2334a266280..00000000000 --- a/perfschema/include/btr0pcur.h +++ /dev/null @@ -1,551 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0pcur.h -The index tree persistent cursor - -Created 2/23/1996 Heikki Tuuri -*******************************************************/ - -#ifndef btr0pcur_h -#define btr0pcur_h - -#include "univ.i" -#include "dict0dict.h" -#include "data0data.h" -#include "mtr0mtr.h" -#include "page0cur.h" -#include "btr0cur.h" -#include "btr0btr.h" -#include "btr0types.h" - -/* Relative positions for a stored cursor position */ -#define BTR_PCUR_ON 1 -#define BTR_PCUR_BEFORE 2 -#define BTR_PCUR_AFTER 3 -/* Note that if the tree is not empty, btr_pcur_store_position does not -use the following, but only uses the above three alternatives, where the -position is stored relative to a specific record: this makes implementation -of a scroll cursor easier */ -#define BTR_PCUR_BEFORE_FIRST_IN_TREE 4 /* in an empty tree */ -#define BTR_PCUR_AFTER_LAST_IN_TREE 5 /* in an empty tree */ - -/**************************************************************//** -Allocates memory for a persistent cursor object and initializes the cursor. -@return own: persistent cursor */ -UNIV_INTERN -btr_pcur_t* -btr_pcur_create_for_mysql(void); -/*============================*/ -/**************************************************************//** -Frees the memory for a persistent cursor object. */ -UNIV_INTERN -void -btr_pcur_free_for_mysql( -/*====================*/ - btr_pcur_t* cursor); /*!< in, own: persistent cursor */ -/**************************************************************//** -Copies the stored position of a pcur to another pcur. */ -UNIV_INTERN -void -btr_pcur_copy_stored_position( -/*==========================*/ - btr_pcur_t* pcur_receive, /*!< in: pcur which will receive the - position info */ - btr_pcur_t* pcur_donate); /*!< in: pcur from which the info is - copied */ -/**************************************************************//** -Sets the old_rec_buf field to NULL. */ -UNIV_INLINE -void -btr_pcur_init( -/*==========*/ - btr_pcur_t* pcur); /*!< in: persistent cursor */ -/**************************************************************//** -Initializes and opens a persistent cursor to an index tree. It should be -closed with btr_pcur_close. */ -UNIV_INLINE -void -btr_pcur_open_func( -/*===============*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - NOTE that if the search is made using a unique - prefix of a record, mode should be - PAGE_CUR_LE, not PAGE_CUR_GE, as the latter - may end up on the previous page from the - record! */ - ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_pcur_open(i,t,md,l,c,m) \ - btr_pcur_open_func(i,t,md,l,c,__FILE__,__LINE__,m) -/**************************************************************//** -Opens an persistent cursor to an index tree without initializing the -cursor. */ -UNIV_INLINE -void -btr_pcur_open_with_no_init_func( -/*============================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - NOTE that if the search is made using a unique - prefix of a record, mode should be - PAGE_CUR_LE, not PAGE_CUR_GE, as the latter - may end up on the previous page of the - record! */ - ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; - NOTE that if has_search_latch != 0 then - we maybe do not acquire a latch on the cursor - page, but assume that the caller uses his - btr search latch to protect the record! */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - ulint has_search_latch,/*!< in: latch mode the caller - currently has on btr_search_latch: - RW_S_LATCH, or 0 */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_pcur_open_with_no_init(ix,t,md,l,cur,has,m) \ - btr_pcur_open_with_no_init_func(ix,t,md,l,cur,has,__FILE__,__LINE__,m) - -/*****************************************************************//** -Opens a persistent cursor at either end of an index. */ -UNIV_INLINE -void -btr_pcur_open_at_index_side( -/*========================*/ - ibool from_left, /*!< in: TRUE if open to the low end, - FALSE if to the high end */ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: latch mode */ - btr_pcur_t* pcur, /*!< in: cursor */ - ibool do_init, /*!< in: TRUE if should be initialized */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Gets the up_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if -search mode was PAGE_CUR_GE, otherwise undefined */ -UNIV_INLINE -ulint -btr_pcur_get_up_match( -/*==================*/ - btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ -/**************************************************************//** -Gets the low_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if -search mode was PAGE_CUR_LE, otherwise undefined */ -UNIV_INLINE -ulint -btr_pcur_get_low_match( -/*===================*/ - btr_pcur_t* cursor); /*!< in: memory buffer for persistent cursor */ -/**************************************************************//** -If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first -user record satisfying the search condition, in the case PAGE_CUR_L or -PAGE_CUR_LE, on the last user record. If no such user record exists, then -in the first case sets the cursor after last in tree, and in the latter case -before first in tree. The latching mode must be BTR_SEARCH_LEAF or -BTR_MODIFY_LEAF. */ -UNIV_INTERN -void -btr_pcur_open_on_user_rec_func( -/*===========================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ... */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF or - BTR_MODIFY_LEAF */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent - cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_pcur_open_on_user_rec(i,t,md,l,c,m) \ - btr_pcur_open_on_user_rec_func(i,t,md,l,c,__FILE__,__LINE__,m) -/**********************************************************************//** -Positions a cursor at a randomly chosen position within a B-tree. */ -UNIV_INLINE -void -btr_pcur_open_at_rnd_pos_func( -/*==========================*/ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_pcur_open_at_rnd_pos(i,l,c,m) \ - btr_pcur_open_at_rnd_pos_func(i,l,c,__FILE__,__LINE__,m) -/**************************************************************//** -Frees the possible old_rec_buf buffer of a persistent cursor and sets the -latch mode of the persistent cursor to BTR_NO_LATCHES. */ -UNIV_INLINE -void -btr_pcur_close( -/*===========*/ - btr_pcur_t* cursor); /*!< in: persistent cursor */ -/**************************************************************//** -The position of the cursor is stored by taking an initial segment of the -record the cursor is positioned on, before, or after, and copying it to the -cursor data structure, or just setting a flag if the cursor id before the -first in an EMPTY tree, or after the last in an EMPTY tree. NOTE that the -page where the cursor is positioned must not be empty if the index tree is -not totally empty! */ -UNIV_INTERN -void -btr_pcur_store_position( -/*====================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr */ -/**************************************************************//** -Restores the stored position of a persistent cursor bufferfixing the page and -obtaining the specified latches. If the cursor position was saved when the -(1) cursor was positioned on a user record: this function restores the position -to the last record LESS OR EQUAL to the stored record; -(2) cursor was positioned on a page infimum record: restores the position to -the last record LESS than the user record which was the successor of the page -infimum; -(3) cursor was positioned on the page supremum: restores to the first record -GREATER than the user record which was the predecessor of the supremum. -(4) cursor was positioned before the first or after the last in an empty tree: -restores to before first or after the last in the tree. -@return TRUE if the cursor position was stored when it was on a user -record and it can be restored on a user record whose ordering fields -are identical to the ones of the original user record */ -UNIV_INTERN -ibool -btr_pcur_restore_position_func( -/*===========================*/ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in: detached persistent cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mtr */ -#define btr_pcur_restore_position(l,cur,mtr) \ - btr_pcur_restore_position_func(l,cur,__FILE__,__LINE__,mtr) -/**************************************************************//** -If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, -releases the page latch and bufferfix reserved by the cursor. -NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes -made by the current mini-transaction to the data protected by the -cursor latch, as then the latch must not be released until mtr_commit. */ -UNIV_INTERN -void -btr_pcur_release_leaf( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Gets the rel_pos field for a cursor whose position has been stored. -@return BTR_PCUR_ON, ... */ -UNIV_INLINE -ulint -btr_pcur_get_rel_pos( -/*=================*/ - const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Sets the mtr field for a pcur. */ -UNIV_INLINE -void -btr_pcur_set_mtr( -/*=============*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in, own: mtr */ -/*********************************************************//** -Gets the mtr field for a pcur. -@return mtr */ -UNIV_INLINE -mtr_t* -btr_pcur_get_mtr( -/*=============*/ - btr_pcur_t* cursor); /*!< in: persistent cursor */ -/**************************************************************//** -Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, -that is, the cursor becomes detached. If there have been modifications -to the page where pcur is positioned, this can be used instead of -btr_pcur_release_leaf. Function btr_pcur_store_position should be used -before calling this, if restoration of cursor is wanted later. */ -UNIV_INLINE -void -btr_pcur_commit_specify_mtr( -/*========================*/ - btr_pcur_t* pcur, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr to commit */ -/**************************************************************//** -Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. -@return TRUE if detached */ -UNIV_INLINE -ibool -btr_pcur_is_detached( -/*=================*/ - btr_pcur_t* pcur); /*!< in: persistent cursor */ -/*********************************************************//** -Moves the persistent cursor to the next record in the tree. If no records are -left, the cursor stays 'after last in tree'. -@return TRUE if the cursor was not after last in tree */ -UNIV_INLINE -ibool -btr_pcur_move_to_next( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor to the previous record in the tree. If no records -are left, the cursor stays 'before first in tree'. -@return TRUE if the cursor was not before first in tree */ -UNIV_INTERN -ibool -btr_pcur_move_to_prev( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor to the last record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_last_on_page( -/*==========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor to the next user record in the tree. If no user -records are left, the cursor ends up 'after last in tree'. -@return TRUE if the cursor moved forward, ending on a user record */ -UNIV_INLINE -ibool -btr_pcur_move_to_next_user_rec( -/*===========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor to the first record on the next page. -Releases the latch on the current page, and bufferunfixes it. -Note that there must not be modifications on the current page, -as then the x-latch can be released only in mtr_commit. */ -UNIV_INTERN -void -btr_pcur_move_to_next_page( -/*=======================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; must be on the - last record of the current page */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor backward if it is on the first record -of the page. Releases the latch on the current page, and bufferunfixes -it. Note that to prevent a possible deadlock, the operation first -stores the position of the cursor, releases the leaf latch, acquires -necessary latches and restores the cursor position again before returning. -The alphabetical position of the cursor is guaranteed to be sensible -on return, but it may happen that the cursor is not positioned on the -last record of any page, because the structure of the tree may have -changed while the cursor had no latches. */ -UNIV_INTERN -void -btr_pcur_move_backward_from_page( -/*=============================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor, must be on the - first record of the current page */ - mtr_t* mtr); /*!< in: mtr */ -#ifdef UNIV_DEBUG -/*********************************************************//** -Returns the btr cursor component of a persistent cursor. -@return pointer to btr cursor component */ -UNIV_INLINE -btr_cur_t* -btr_pcur_get_btr_cur( -/*=================*/ - const btr_pcur_t* cursor); /*!< in: persistent cursor */ -/*********************************************************//** -Returns the page cursor component of a persistent cursor. -@return pointer to page cursor component */ -UNIV_INLINE -page_cur_t* -btr_pcur_get_page_cur( -/*==================*/ - const btr_pcur_t* cursor); /*!< in: persistent cursor */ -#else /* UNIV_DEBUG */ -# define btr_pcur_get_btr_cur(cursor) (&(cursor)->btr_cur) -# define btr_pcur_get_page_cur(cursor) (&(cursor)->btr_cur.page_cur) -#endif /* UNIV_DEBUG */ -/*********************************************************//** -Returns the page of a persistent cursor. -@return pointer to the page */ -UNIV_INLINE -page_t* -btr_pcur_get_page( -/*==============*/ - btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Returns the buffer block of a persistent cursor. -@return pointer to the block */ -UNIV_INLINE -buf_block_t* -btr_pcur_get_block( -/*===============*/ - btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Returns the record of a persistent cursor. -@return pointer to the record */ -UNIV_INLINE -rec_t* -btr_pcur_get_rec( -/*=============*/ - btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Checks if the persistent cursor is on a user record. */ -UNIV_INLINE -ibool -btr_pcur_is_on_user_rec( -/*====================*/ - const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Checks if the persistent cursor is after the last user record on -a page. */ -UNIV_INLINE -ibool -btr_pcur_is_after_last_on_page( -/*===========================*/ - const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Checks if the persistent cursor is before the first user record on -a page. */ -UNIV_INLINE -ibool -btr_pcur_is_before_first_on_page( -/*=============================*/ - const btr_pcur_t* cursor);/*!< in: persistent cursor */ -/*********************************************************//** -Checks if the persistent cursor is before the first user record in -the index tree. */ -UNIV_INLINE -ibool -btr_pcur_is_before_first_in_tree( -/*=============================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Checks if the persistent cursor is after the last user record in -the index tree. */ -UNIV_INLINE -ibool -btr_pcur_is_after_last_in_tree( -/*===========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************//** -Moves the persistent cursor to the next record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_next_on_page( -/*==========================*/ - btr_pcur_t* cursor);/*!< in/out: persistent cursor */ -/*********************************************************//** -Moves the persistent cursor to the previous record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_prev_on_page( -/*==========================*/ - btr_pcur_t* cursor);/*!< in/out: persistent cursor */ - - -/* The persistent B-tree cursor structure. This is used mainly for SQL -selects, updates, and deletes. */ - -struct btr_pcur_struct{ - btr_cur_t btr_cur; /*!< a B-tree cursor */ - ulint latch_mode; /*!< see TODO note below! - BTR_SEARCH_LEAF, BTR_MODIFY_LEAF, - BTR_MODIFY_TREE, or BTR_NO_LATCHES, - depending on the latching state of - the page and tree where the cursor is - positioned; the last value means that - the cursor is not currently positioned: - we say then that the cursor is - detached; it can be restored to - attached if the old position was - stored in old_rec */ - ulint old_stored; /*!< BTR_PCUR_OLD_STORED - or BTR_PCUR_OLD_NOT_STORED */ - rec_t* old_rec; /*!< if cursor position is stored, - contains an initial segment of the - latest record cursor was positioned - either on, before, or after */ - ulint old_n_fields; /*!< number of fields in old_rec */ - ulint rel_pos; /*!< BTR_PCUR_ON, BTR_PCUR_BEFORE, or - BTR_PCUR_AFTER, depending on whether - cursor was on, before, or after the - old_rec record */ - buf_block_t* block_when_stored;/* buffer block when the position was - stored */ - ib_uint64_t modify_clock; /*!< the modify clock value of the - buffer block when the cursor position - was stored */ - ulint pos_state; /*!< see TODO note below! - BTR_PCUR_IS_POSITIONED, - BTR_PCUR_WAS_POSITIONED, - BTR_PCUR_NOT_POSITIONED */ - ulint search_mode; /*!< PAGE_CUR_G, ... */ - trx_t* trx_if_known; /*!< the transaction, if we know it; - otherwise this field is not defined; - can ONLY BE USED in error prints in - fatal assertion failures! */ - /*-----------------------------*/ - /* NOTE that the following fields may possess dynamically allocated - memory which should be freed if not needed anymore! */ - - mtr_t* mtr; /*!< NULL, or this field may contain - a mini-transaction which holds the - latch on the cursor page */ - byte* old_rec_buf; /*!< NULL, or a dynamically allocated - buffer for old_rec */ - ulint buf_size; /*!< old_rec_buf size if old_rec_buf - is not NULL */ -}; - -#define BTR_PCUR_IS_POSITIONED 1997660512 /* TODO: currently, the state - can be BTR_PCUR_IS_POSITIONED, - though it really should be - BTR_PCUR_WAS_POSITIONED, - because we have no obligation - to commit the cursor with - mtr; similarly latch_mode may - be out of date. This can - lead to problems if btr_pcur - is not used the right way; - all current code should be - ok. */ -#define BTR_PCUR_WAS_POSITIONED 1187549791 -#define BTR_PCUR_NOT_POSITIONED 1328997689 - -#define BTR_PCUR_OLD_STORED 908467085 -#define BTR_PCUR_OLD_NOT_STORED 122766467 - -#ifndef UNIV_NONINL -#include "btr0pcur.ic" -#endif - -#endif diff --git a/perfschema/include/btr0pcur.ic b/perfschema/include/btr0pcur.ic deleted file mode 100644 index 0c38797e6c5..00000000000 --- a/perfschema/include/btr0pcur.ic +++ /dev/null @@ -1,642 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/btr0pcur.ic -The index tree persistent cursor - -Created 2/23/1996 Heikki Tuuri -*******************************************************/ - - -/*********************************************************//** -Gets the rel_pos field for a cursor whose position has been stored. -@return BTR_PCUR_ON, ... */ -UNIV_INLINE -ulint -btr_pcur_get_rel_pos( -/*=================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor); - ut_ad(cursor->old_rec); - ut_ad(cursor->old_stored == BTR_PCUR_OLD_STORED); - ut_ad(cursor->pos_state == BTR_PCUR_WAS_POSITIONED - || cursor->pos_state == BTR_PCUR_IS_POSITIONED); - - return(cursor->rel_pos); -} - -/*********************************************************//** -Sets the mtr field for a pcur. */ -UNIV_INLINE -void -btr_pcur_set_mtr( -/*=============*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in, own: mtr */ -{ - ut_ad(cursor); - - cursor->mtr = mtr; -} - -/*********************************************************//** -Gets the mtr field for a pcur. -@return mtr */ -UNIV_INLINE -mtr_t* -btr_pcur_get_mtr( -/*=============*/ - btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor); - - return(cursor->mtr); -} - -#ifdef UNIV_DEBUG -/*********************************************************//** -Returns the btr cursor component of a persistent cursor. -@return pointer to btr cursor component */ -UNIV_INLINE -btr_cur_t* -btr_pcur_get_btr_cur( -/*=================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - const btr_cur_t* btr_cur = &cursor->btr_cur; - return((btr_cur_t*) btr_cur); -} - -/*********************************************************//** -Returns the page cursor component of a persistent cursor. -@return pointer to page cursor component */ -UNIV_INLINE -page_cur_t* -btr_pcur_get_page_cur( -/*==================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - return(btr_cur_get_page_cur(btr_pcur_get_btr_cur(cursor))); -} -#endif /* UNIV_DEBUG */ -/*********************************************************//** -Returns the page of a persistent cursor. -@return pointer to the page */ -UNIV_INLINE -page_t* -btr_pcur_get_page( -/*==============*/ - btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - - return(btr_cur_get_page(btr_pcur_get_btr_cur(cursor))); -} - -/*********************************************************//** -Returns the buffer block of a persistent cursor. -@return pointer to the block */ -UNIV_INLINE -buf_block_t* -btr_pcur_get_block( -/*===============*/ - btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - - return(btr_cur_get_block(btr_pcur_get_btr_cur(cursor))); -} - -/*********************************************************//** -Returns the record of a persistent cursor. -@return pointer to the record */ -UNIV_INLINE -rec_t* -btr_pcur_get_rec( -/*=============*/ - btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - return(btr_cur_get_rec(btr_pcur_get_btr_cur(cursor))); -} - -/**************************************************************//** -Gets the up_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if -search mode was PAGE_CUR_GE, otherwise undefined */ -UNIV_INLINE -ulint -btr_pcur_get_up_match( -/*==================*/ - btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ -{ - btr_cur_t* btr_cursor; - - ut_ad((cursor->pos_state == BTR_PCUR_WAS_POSITIONED) - || (cursor->pos_state == BTR_PCUR_IS_POSITIONED)); - - btr_cursor = btr_pcur_get_btr_cur(cursor); - - ut_ad(btr_cursor->up_match != ULINT_UNDEFINED); - - return(btr_cursor->up_match); -} - -/**************************************************************//** -Gets the low_match value for a pcur after a search. -@return number of matched fields at the cursor or to the right if -search mode was PAGE_CUR_LE, otherwise undefined */ -UNIV_INLINE -ulint -btr_pcur_get_low_match( -/*===================*/ - btr_pcur_t* cursor) /*!< in: memory buffer for persistent cursor */ -{ - btr_cur_t* btr_cursor; - - ut_ad((cursor->pos_state == BTR_PCUR_WAS_POSITIONED) - || (cursor->pos_state == BTR_PCUR_IS_POSITIONED)); - - btr_cursor = btr_pcur_get_btr_cur(cursor); - ut_ad(btr_cursor->low_match != ULINT_UNDEFINED); - - return(btr_cursor->low_match); -} - -/*********************************************************//** -Checks if the persistent cursor is after the last user record on -a page. */ -UNIV_INLINE -ibool -btr_pcur_is_after_last_on_page( -/*===========================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); -} - -/*********************************************************//** -Checks if the persistent cursor is before the first user record on -a page. */ -UNIV_INLINE -ibool -btr_pcur_is_before_first_on_page( -/*=============================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); -} - -/*********************************************************//** -Checks if the persistent cursor is on a user record. */ -UNIV_INLINE -ibool -btr_pcur_is_on_user_rec( -/*====================*/ - const btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - if (btr_pcur_is_before_first_on_page(cursor) - || btr_pcur_is_after_last_on_page(cursor)) { - - return(FALSE); - } - - return(TRUE); -} - -/*********************************************************//** -Checks if the persistent cursor is before the first user record in -the index tree. */ -UNIV_INLINE -ibool -btr_pcur_is_before_first_in_tree( -/*=============================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - if (btr_page_get_prev(btr_pcur_get_page(cursor), mtr) != FIL_NULL) { - - return(FALSE); - } - - return(page_cur_is_before_first(btr_pcur_get_page_cur(cursor))); -} - -/*********************************************************//** -Checks if the persistent cursor is after the last user record in -the index tree. */ -UNIV_INLINE -ibool -btr_pcur_is_after_last_in_tree( -/*===========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - if (btr_page_get_next(btr_pcur_get_page(cursor), mtr) != FIL_NULL) { - - return(FALSE); - } - - return(page_cur_is_after_last(btr_pcur_get_page_cur(cursor))); -} - -/*********************************************************//** -Moves the persistent cursor to the next record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_next_on_page( -/*==========================*/ - btr_pcur_t* cursor) /*!< in/out: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - page_cur_move_to_next(btr_pcur_get_page_cur(cursor)); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; -} - -/*********************************************************//** -Moves the persistent cursor to the previous record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_prev_on_page( -/*==========================*/ - btr_pcur_t* cursor) /*!< in/out: persistent cursor */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - page_cur_move_to_prev(btr_pcur_get_page_cur(cursor)); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; -} - -/*********************************************************//** -Moves the persistent cursor to the last record on the same page. */ -UNIV_INLINE -void -btr_pcur_move_to_last_on_page( -/*==========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr */ -{ - UT_NOT_USED(mtr); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - page_cur_set_after_last(btr_pcur_get_block(cursor), - btr_pcur_get_page_cur(cursor)); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; -} - -/*********************************************************//** -Moves the persistent cursor to the next user record in the tree. If no user -records are left, the cursor ends up 'after last in tree'. -@return TRUE if the cursor moved forward, ending on a user record */ -UNIV_INLINE -ibool -btr_pcur_move_to_next_user_rec( -/*===========================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; -loop: - if (btr_pcur_is_after_last_on_page(cursor)) { - - if (btr_pcur_is_after_last_in_tree(cursor, mtr)) { - - return(FALSE); - } - - btr_pcur_move_to_next_page(cursor, mtr); - } else { - btr_pcur_move_to_next_on_page(cursor); - } - - if (btr_pcur_is_on_user_rec(cursor)) { - - return(TRUE); - } - - goto loop; -} - -/*********************************************************//** -Moves the persistent cursor to the next record in the tree. If no records are -left, the cursor stays 'after last in tree'. -@return TRUE if the cursor was not after last in tree */ -UNIV_INLINE -ibool -btr_pcur_move_to_next( -/*==================*/ - btr_pcur_t* cursor, /*!< in: persistent cursor; NOTE that the - function may release the page latch */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(cursor->pos_state == BTR_PCUR_IS_POSITIONED); - ut_ad(cursor->latch_mode != BTR_NO_LATCHES); - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - if (btr_pcur_is_after_last_on_page(cursor)) { - - if (btr_pcur_is_after_last_in_tree(cursor, mtr)) { - - return(FALSE); - } - - btr_pcur_move_to_next_page(cursor, mtr); - - return(TRUE); - } - - btr_pcur_move_to_next_on_page(cursor); - - return(TRUE); -} - -/**************************************************************//** -Commits the mtr and sets the pcur latch mode to BTR_NO_LATCHES, -that is, the cursor becomes detached. If there have been modifications -to the page where pcur is positioned, this can be used instead of -btr_pcur_release_leaf. Function btr_pcur_store_position should be used -before calling this, if restoration of cursor is wanted later. */ -UNIV_INLINE -void -btr_pcur_commit_specify_mtr( -/*========================*/ - btr_pcur_t* pcur, /*!< in: persistent cursor */ - mtr_t* mtr) /*!< in: mtr to commit */ -{ - ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); - - pcur->latch_mode = BTR_NO_LATCHES; - - mtr_commit(mtr); - - pcur->pos_state = BTR_PCUR_WAS_POSITIONED; -} - -/**************************************************************//** -Sets the pcur latch mode to BTR_NO_LATCHES. */ -UNIV_INLINE -void -btr_pcur_detach( -/*============*/ - btr_pcur_t* pcur) /*!< in: persistent cursor */ -{ - ut_a(pcur->pos_state == BTR_PCUR_IS_POSITIONED); - - pcur->latch_mode = BTR_NO_LATCHES; - - pcur->pos_state = BTR_PCUR_WAS_POSITIONED; -} - -/**************************************************************//** -Tests if a cursor is detached: that is the latch mode is BTR_NO_LATCHES. -@return TRUE if detached */ -UNIV_INLINE -ibool -btr_pcur_is_detached( -/*=================*/ - btr_pcur_t* pcur) /*!< in: persistent cursor */ -{ - if (pcur->latch_mode == BTR_NO_LATCHES) { - - return(TRUE); - } - - return(FALSE); -} - -/**************************************************************//** -Sets the old_rec_buf field to NULL. */ -UNIV_INLINE -void -btr_pcur_init( -/*==========*/ - btr_pcur_t* pcur) /*!< in: persistent cursor */ -{ - pcur->old_stored = BTR_PCUR_OLD_NOT_STORED; - pcur->old_rec_buf = NULL; - pcur->old_rec = NULL; -} - -/**************************************************************//** -Initializes and opens a persistent cursor to an index tree. It should be -closed with btr_pcur_close. */ -UNIV_INLINE -void -btr_pcur_open_func( -/*===============*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - NOTE that if the search is made using a unique - prefix of a record, mode should be - PAGE_CUR_LE, not PAGE_CUR_GE, as the latter - may end up on the previous page from the - record! */ - ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - btr_cur_t* btr_cursor; - - /* Initialize the cursor */ - - btr_pcur_init(cursor); - - cursor->latch_mode = latch_mode; - cursor->search_mode = mode; - - /* Search with the tree cursor */ - - btr_cursor = btr_pcur_get_btr_cur(cursor); - - btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, - btr_cursor, 0, file, line, mtr); - cursor->pos_state = BTR_PCUR_IS_POSITIONED; - - cursor->trx_if_known = NULL; -} - -/**************************************************************//** -Opens an persistent cursor to an index tree without initializing the -cursor. */ -UNIV_INLINE -void -btr_pcur_open_with_no_init_func( -/*============================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* tuple, /*!< in: tuple on which search done */ - ulint mode, /*!< in: PAGE_CUR_L, ...; - NOTE that if the search is made using a unique - prefix of a record, mode should be - PAGE_CUR_LE, not PAGE_CUR_GE, as the latter - may end up on the previous page of the - record! */ - ulint latch_mode,/*!< in: BTR_SEARCH_LEAF, ...; - NOTE that if has_search_latch != 0 then - we maybe do not acquire a latch on the cursor - page, but assume that the caller uses his - btr search latch to protect the record! */ - btr_pcur_t* cursor, /*!< in: memory buffer for persistent cursor */ - ulint has_search_latch,/*!< in: latch mode the caller - currently has on btr_search_latch: - RW_S_LATCH, or 0 */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - btr_cur_t* btr_cursor; - - cursor->latch_mode = latch_mode; - cursor->search_mode = mode; - - /* Search with the tree cursor */ - - btr_cursor = btr_pcur_get_btr_cur(cursor); - - btr_cur_search_to_nth_level(index, 0, tuple, mode, latch_mode, - btr_cursor, has_search_latch, - file, line, mtr); - cursor->pos_state = BTR_PCUR_IS_POSITIONED; - - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - cursor->trx_if_known = NULL; -} - -/*****************************************************************//** -Opens a persistent cursor at either end of an index. */ -UNIV_INLINE -void -btr_pcur_open_at_index_side( -/*========================*/ - ibool from_left, /*!< in: TRUE if open to the low end, - FALSE if to the high end */ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: latch mode */ - btr_pcur_t* pcur, /*!< in: cursor */ - ibool do_init, /*!< in: TRUE if should be initialized */ - mtr_t* mtr) /*!< in: mtr */ -{ - pcur->latch_mode = latch_mode; - - if (from_left) { - pcur->search_mode = PAGE_CUR_G; - } else { - pcur->search_mode = PAGE_CUR_L; - } - - if (do_init) { - btr_pcur_init(pcur); - } - - btr_cur_open_at_index_side(from_left, index, latch_mode, - btr_pcur_get_btr_cur(pcur), mtr); - pcur->pos_state = BTR_PCUR_IS_POSITIONED; - - pcur->old_stored = BTR_PCUR_OLD_NOT_STORED; - - pcur->trx_if_known = NULL; -} - -/**********************************************************************//** -Positions a cursor at a randomly chosen position within a B-tree. */ -UNIV_INLINE -void -btr_pcur_open_at_rnd_pos_func( -/*==========================*/ - dict_index_t* index, /*!< in: index */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_pcur_t* cursor, /*!< in/out: B-tree pcur */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr) /*!< in: mtr */ -{ - /* Initialize the cursor */ - - cursor->latch_mode = latch_mode; - cursor->search_mode = PAGE_CUR_G; - - btr_pcur_init(cursor); - - btr_cur_open_at_rnd_pos_func(index, latch_mode, - btr_pcur_get_btr_cur(cursor), - file, line, mtr); - cursor->pos_state = BTR_PCUR_IS_POSITIONED; - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - cursor->trx_if_known = NULL; -} - -/**************************************************************//** -Frees the possible memory heap of a persistent cursor and sets the latch -mode of the persistent cursor to BTR_NO_LATCHES. */ -UNIV_INLINE -void -btr_pcur_close( -/*===========*/ - btr_pcur_t* cursor) /*!< in: persistent cursor */ -{ - if (cursor->old_rec_buf != NULL) { - - mem_free(cursor->old_rec_buf); - - cursor->old_rec = NULL; - cursor->old_rec_buf = NULL; - } - - cursor->btr_cur.page_cur.rec = NULL; - cursor->btr_cur.page_cur.block = NULL; - cursor->old_rec = NULL; - cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; - - cursor->latch_mode = BTR_NO_LATCHES; - cursor->pos_state = BTR_PCUR_NOT_POSITIONED; - - cursor->trx_if_known = NULL; -} diff --git a/perfschema/include/btr0sea.h b/perfschema/include/btr0sea.h deleted file mode 100644 index f98ba386f9c..00000000000 --- a/perfschema/include/btr0sea.h +++ /dev/null @@ -1,310 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/btr0sea.h -The index tree adaptive search - -Created 2/17/1996 Heikki Tuuri -*************************************************************************/ - -#ifndef btr0sea_h -#define btr0sea_h - -#include "univ.i" - -#include "rem0rec.h" -#include "dict0dict.h" -#include "btr0types.h" -#include "mtr0mtr.h" -#include "ha0ha.h" - -/*****************************************************************//** -Creates and initializes the adaptive search system at a database start. */ -UNIV_INTERN -void -btr_search_sys_create( -/*==================*/ - ulint hash_size); /*!< in: hash index hash table size */ -/*****************************************************************//** -Frees the adaptive search system at a database shutdown. */ -UNIV_INTERN -void -btr_search_sys_free(void); -/*=====================*/ - -/********************************************************************//** -Disable the adaptive hash search system and empty the index. */ -UNIV_INTERN -void -btr_search_disable(void); -/*====================*/ -/********************************************************************//** -Enable the adaptive hash search system. */ -UNIV_INTERN -void -btr_search_enable(void); -/*====================*/ - -/********************************************************************//** -Returns search info for an index. -@return search info; search mutex reserved */ -UNIV_INLINE -btr_search_t* -btr_search_get_info( -/*================*/ - dict_index_t* index); /*!< in: index */ -/*****************************************************************//** -Creates and initializes a search info struct. -@return own: search info struct */ -UNIV_INTERN -btr_search_t* -btr_search_info_create( -/*===================*/ - mem_heap_t* heap); /*!< in: heap where created */ -/*****************************************************************//** -Returns the value of ref_count. The value is protected by -btr_search_latch. -@return ref_count value. */ -UNIV_INTERN -ulint -btr_search_info_get_ref_count( -/*==========================*/ - btr_search_t* info); /*!< in: search info. */ -/*********************************************************************//** -Updates the search info. */ -UNIV_INLINE -void -btr_search_info_update( -/*===================*/ - dict_index_t* index, /*!< in: index of the cursor */ - btr_cur_t* cursor);/*!< in: cursor which was just positioned */ -/******************************************************************//** -Tries to guess the right search position based on the hash search info -of the index. Note that if mode is PAGE_CUR_LE, which is used in inserts, -and the function returns TRUE, then cursor->up_match and cursor->low_match -both have sensible values. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -btr_search_guess_on_hash( -/*=====================*/ - dict_index_t* index, /*!< in: index */ - btr_search_t* info, /*!< in: index search info */ - const dtuple_t* tuple, /*!< in: logical record */ - ulint mode, /*!< in: PAGE_CUR_L, ... */ - ulint latch_mode, /*!< in: BTR_SEARCH_LEAF, ... */ - btr_cur_t* cursor, /*!< out: tree cursor */ - ulint has_search_latch,/*!< in: latch mode the caller - currently has on btr_search_latch: - RW_S_LATCH, RW_X_LATCH, or 0 */ - mtr_t* mtr); /*!< in: mtr */ -/********************************************************************//** -Moves or deletes hash entries for moved records. If new_page is already hashed, -then the hash index for page, if any, is dropped. If new_page is not hashed, -and page is hashed, then a new hash index is built to new_page with the same -parameters as page (this often happens when a page is split). */ -UNIV_INTERN -void -btr_search_move_or_delete_hash_entries( -/*===================================*/ - buf_block_t* new_block, /*!< in: records are copied - to this page */ - buf_block_t* block, /*!< in: index page from which - records were copied, and the - copied records will be deleted - from this page */ - dict_index_t* index); /*!< in: record descriptor */ -/********************************************************************//** -Drops a page hash index. */ -UNIV_INTERN -void -btr_search_drop_page_hash_index( -/*============================*/ - buf_block_t* block); /*!< in: block containing index page, - s- or x-latched, or an index page - for which we know that - block->buf_fix_count == 0 */ -/********************************************************************//** -Drops a page hash index when a page is freed from a fseg to the file system. -Drops possible hash index if the page happens to be in the buffer pool. */ -UNIV_INTERN -void -btr_search_drop_page_hash_when_freed( -/*=================================*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no); /*!< in: page number */ -/********************************************************************//** -Updates the page hash index when a single record is inserted on a page. */ -UNIV_INTERN -void -btr_search_update_hash_node_on_insert( -/*==================================*/ - btr_cur_t* cursor);/*!< in: cursor which was positioned to the - place to insert using btr_cur_search_..., - and the new record has been inserted next - to the cursor */ -/********************************************************************//** -Updates the page hash index when a single record is inserted on a page. */ -UNIV_INTERN -void -btr_search_update_hash_on_insert( -/*=============================*/ - btr_cur_t* cursor);/*!< in: cursor which was positioned to the - place to insert using btr_cur_search_..., - and the new record has been inserted next - to the cursor */ -/********************************************************************//** -Updates the page hash index when a single record is deleted from a page. */ -UNIV_INTERN -void -btr_search_update_hash_on_delete( -/*=============================*/ - btr_cur_t* cursor);/*!< in: cursor which was positioned on the - record to delete using btr_cur_search_..., - the record is not yet deleted */ -/********************************************************************//** -Validates the search system. -@return TRUE if ok */ -UNIV_INTERN -ibool -btr_search_validate(void); -/*======================*/ - -/** Flag: has the search system been enabled? -Protected by btr_search_latch and btr_search_enabled_mutex. */ -extern char btr_search_enabled; - -/** The search info struct in an index */ -struct btr_search_struct{ - ulint ref_count; /*!< Number of blocks in this index tree - that have search index built - i.e. block->index points to this index. - Protected by btr_search_latch except - when during initialization in - btr_search_info_create(). */ - - /* @{ The following fields are not protected by any latch. - Unfortunately, this means that they must be aligned to - the machine word, i.e., they cannot be turned into bit-fields. */ - buf_block_t* root_guess;/*!< the root page frame when it was last time - fetched, or NULL */ - ulint hash_analysis; /*!< when this exceeds - BTR_SEARCH_HASH_ANALYSIS, the hash - analysis starts; this is reset if no - success noticed */ - ibool last_hash_succ; /*!< TRUE if the last search would have - succeeded, or did succeed, using the hash - index; NOTE that the value here is not exact: - it is not calculated for every search, and the - calculation itself is not always accurate! */ - ulint n_hash_potential; - /*!< number of consecutive searches - which would have succeeded, or did succeed, - using the hash index; - the range is 0 .. BTR_SEARCH_BUILD_LIMIT + 5 */ - /* @} */ - /*---------------------- @{ */ - ulint n_fields; /*!< recommended prefix length for hash search: - number of full fields */ - ulint n_bytes; /*!< recommended prefix: number of bytes in - an incomplete field - @see BTR_PAGE_MAX_REC_SIZE */ - ibool left_side; /*!< TRUE or FALSE, depending on whether - the leftmost record of several records with - the same prefix should be indexed in the - hash index */ - /*---------------------- @} */ -#ifdef UNIV_SEARCH_PERF_STAT - ulint n_hash_succ; /*!< number of successful hash searches thus - far */ - ulint n_hash_fail; /*!< number of failed hash searches */ - ulint n_patt_succ; /*!< number of successful pattern searches thus - far */ - ulint n_searches; /*!< number of searches */ -#endif /* UNIV_SEARCH_PERF_STAT */ -#ifdef UNIV_DEBUG - ulint magic_n; /*!< magic number @see BTR_SEARCH_MAGIC_N */ -/** value of btr_search_struct::magic_n, used in assertions */ -# define BTR_SEARCH_MAGIC_N 1112765 -#endif /* UNIV_DEBUG */ -}; - -/** The hash index system */ -typedef struct btr_search_sys_struct btr_search_sys_t; - -/** The hash index system */ -struct btr_search_sys_struct{ - hash_table_t* hash_index; /*!< the adaptive hash index, - mapping dtuple_fold values - to rec_t pointers on index pages */ -}; - -/** The adaptive hash index */ -extern btr_search_sys_t* btr_search_sys; - -/** @brief The latch protecting the adaptive search system - -This latch protects the -(1) hash index; -(2) columns of a record to which we have a pointer in the hash index; - -but does NOT protect: - -(3) next record offset field in a record; -(4) next or previous records on the same page. - -Bear in mind (3) and (4) when using the hash index. -*/ -extern rw_lock_t* btr_search_latch_temp; - -/** The latch protecting the adaptive search system */ -#define btr_search_latch (*btr_search_latch_temp) - -#ifdef UNIV_SEARCH_PERF_STAT -/** Number of successful adaptive hash index lookups */ -extern ulint btr_search_n_succ; -/** Number of failed adaptive hash index lookups */ -extern ulint btr_search_n_hash_fail; -#endif /* UNIV_SEARCH_PERF_STAT */ - -/** After change in n_fields or n_bytes in info, this many rounds are waited -before starting the hash analysis again: this is to save CPU time when there -is no hope in building a hash index. */ -#define BTR_SEARCH_HASH_ANALYSIS 17 - -/** Limit of consecutive searches for trying a search shortcut on the search -pattern */ -#define BTR_SEARCH_ON_PATTERN_LIMIT 3 - -/** Limit of consecutive searches for trying a search shortcut using -the hash index */ -#define BTR_SEARCH_ON_HASH_LIMIT 3 - -/** We do this many searches before trying to keep the search latch -over calls from MySQL. If we notice someone waiting for the latch, we -again set this much timeout. This is to reduce contention. */ -#define BTR_SEA_TIMEOUT 10000 - -#ifndef UNIV_NONINL -#include "btr0sea.ic" -#endif - -#endif diff --git a/perfschema/include/btr0sea.ic b/perfschema/include/btr0sea.ic deleted file mode 100644 index beadeeb8d02..00000000000 --- a/perfschema/include/btr0sea.ic +++ /dev/null @@ -1,84 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/btr0sea.ic -The index tree adaptive search - -Created 2/17/1996 Heikki Tuuri -*************************************************************************/ - -#include "dict0mem.h" -#include "btr0cur.h" -#include "buf0buf.h" - -/*********************************************************************//** -Updates the search info. */ -UNIV_INTERN -void -btr_search_info_update_slow( -/*========================*/ - btr_search_t* info, /*!< in/out: search info */ - btr_cur_t* cursor);/*!< in: cursor which was just positioned */ - -/********************************************************************//** -Returns search info for an index. -@return search info; search mutex reserved */ -UNIV_INLINE -btr_search_t* -btr_search_get_info( -/*================*/ - dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - - return(index->search_info); -} - -/*********************************************************************//** -Updates the search info. */ -UNIV_INLINE -void -btr_search_info_update( -/*===================*/ - dict_index_t* index, /*!< in: index of the cursor */ - btr_cur_t* cursor) /*!< in: cursor which was just positioned */ -{ - btr_search_t* info; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); - ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - info = btr_search_get_info(index); - - info->hash_analysis++; - - if (info->hash_analysis < BTR_SEARCH_HASH_ANALYSIS) { - - /* Do nothing */ - - return; - - } - - ut_ad(cursor->flag != BTR_CUR_HASH); - - btr_search_info_update_slow(info, cursor); -} diff --git a/perfschema/include/btr0types.h b/perfschema/include/btr0types.h deleted file mode 100644 index ef4a6b04b34..00000000000 --- a/perfschema/include/btr0types.h +++ /dev/null @@ -1,51 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/btr0types.h -The index tree general types - -Created 2/17/1996 Heikki Tuuri -*************************************************************************/ - -#ifndef btr0types_h -#define btr0types_h - -#include "univ.i" - -#include "rem0types.h" -#include "page0types.h" - -/** Persistent cursor */ -typedef struct btr_pcur_struct btr_pcur_t; -/** B-tree cursor */ -typedef struct btr_cur_struct btr_cur_t; -/** B-tree search information for the adaptive hash index */ -typedef struct btr_search_struct btr_search_t; - -/** The size of a reference to data stored on a different page. -The reference is stored at the end of the prefix of the field -in the index record. */ -#define BTR_EXTERN_FIELD_REF_SIZE 20 - -/** A BLOB field reference full of zero, for use in assertions and tests. -Initially, BLOB field references are set to zero, in -dtuple_convert_big_rec(). */ -extern const byte field_ref_zero[BTR_EXTERN_FIELD_REF_SIZE]; - -#endif diff --git a/perfschema/include/buf0buddy.h b/perfschema/include/buf0buddy.h deleted file mode 100644 index 7648950d5d1..00000000000 --- a/perfschema/include/buf0buddy.h +++ /dev/null @@ -1,90 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0buddy.h -Binary buddy allocator for compressed pages - -Created December 2006 by Marko Makela -*******************************************************/ - -#ifndef buf0buddy_h -#define buf0buddy_h - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE -#endif - -#include "univ.i" -#include "buf0types.h" - -/**********************************************************************//** -Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any -block->mutex. The buf_pool_mutex may only be released and reacquired -if lru != NULL. This function should only be used for allocating -compressed page frames or control blocks (buf_page_t). Allocated -control blocks must be properly initialized immediately after -buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. -@return allocated block, possibly NULL if lru == NULL */ -UNIV_INLINE -void* -buf_buddy_alloc( -/*============*/ - ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ - __attribute__((malloc)); - -/**********************************************************************//** -Release a block. */ -UNIV_INLINE -void -buf_buddy_free( -/*===========*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ - __attribute__((nonnull)); - -/** Statistics of buddy blocks of a given size. */ -struct buf_buddy_stat_struct { - /** Number of blocks allocated from the buddy system. */ - ulint used; - /** Number of blocks relocated by the buddy system. */ - ib_uint64_t relocated; - /** Total duration of block relocations, in microseconds. */ - ib_uint64_t relocated_usec; -}; - -/** Statistics of buddy blocks of a given size. */ -typedef struct buf_buddy_stat_struct buf_buddy_stat_t; - -/** Statistics of the buddy system, indexed by block size. -Protected by buf_pool_mutex. */ -extern buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; - -#ifndef UNIV_NONINL -# include "buf0buddy.ic" -#endif - -#endif /* buf0buddy_h */ diff --git a/perfschema/include/buf0buddy.ic b/perfschema/include/buf0buddy.ic deleted file mode 100644 index c419a2374d9..00000000000 --- a/perfschema/include/buf0buddy.ic +++ /dev/null @@ -1,127 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0buddy.ic -Binary buddy allocator for compressed pages - -Created December 2006 by Marko Makela -*******************************************************/ - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE -#endif - -#include "buf0buf.h" -#include "buf0buddy.h" -#include "ut0ut.h" -#include "sync0sync.h" - -/**********************************************************************//** -Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. -@return allocated block, possibly NULL if lru==NULL */ -UNIV_INTERN -void* -buf_buddy_alloc_low( -/*================*/ - ulint i, /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ - __attribute__((malloc)); - -/**********************************************************************//** -Deallocate a block. */ -UNIV_INTERN -void -buf_buddy_free_low( -/*===============*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint i) /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ - __attribute__((nonnull)); - -/**********************************************************************//** -Get the index of buf_pool->zip_free[] for a given block size. -@return index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ -UNIV_INLINE -ulint -buf_buddy_get_slot( -/*===============*/ - ulint size) /*!< in: block size */ -{ - ulint i; - ulint s; - - for (i = 0, s = BUF_BUDDY_LOW; s < size; i++, s <<= 1) { - } - - ut_ad(i <= BUF_BUDDY_SIZES); - return(i); -} - -/**********************************************************************//** -Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any -block->mutex. The buf_pool_mutex may only be released and reacquired -if lru != NULL. This function should only be used for allocating -compressed page frames or control blocks (buf_page_t). Allocated -control blocks must be properly initialized immediately after -buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. -@return allocated block, possibly NULL if lru == NULL */ -UNIV_INLINE -void* -buf_buddy_alloc( -/*============*/ - ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ -{ - ut_ad(buf_pool_mutex_own()); - - return(buf_buddy_alloc_low(buf_buddy_get_slot(size), lru)); -} - -/**********************************************************************//** -Deallocate a block. */ -UNIV_INLINE -void -buf_buddy_free( -/*===========*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ -{ - ut_ad(buf_pool_mutex_own()); - - buf_buddy_free_low(buf, buf_buddy_get_slot(size)); -} - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE UNIV_INLINE_ORIGINAL -#endif diff --git a/perfschema/include/buf0buf.h b/perfschema/include/buf0buf.h deleted file mode 100644 index 38c163feeb4..00000000000 --- a/perfschema/include/buf0buf.h +++ /dev/null @@ -1,1633 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0buf.h -The database buffer pool high-level routines - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef buf0buf_h -#define buf0buf_h - -#include "univ.i" -#include "fil0fil.h" -#include "mtr0types.h" -#include "buf0types.h" -#include "hash0hash.h" -#include "ut0byte.h" -#include "page0types.h" -#ifndef UNIV_HOTBACKUP -#include "ut0rbt.h" -#include "os0proc.h" - -/** @name Modes for buf_page_get_gen */ -/* @{ */ -#define BUF_GET 10 /*!< get always */ -#define BUF_GET_IF_IN_POOL 11 /*!< get if in pool */ -#define BUF_GET_NO_LATCH 14 /*!< get and bufferfix, but - set no latch; we have - separated this case, because - it is error-prone programming - not to set a latch, and it - should be used with care */ -#define BUF_GET_IF_IN_POOL_OR_WATCH 15 - /*!< Get the page only if it's in the - buffer pool, if not then set a watch - on the page. */ -/* @} */ -/** @name Modes for buf_page_get_known_nowait */ -/* @{ */ -#define BUF_MAKE_YOUNG 51 /*!< Move the block to the - start of the LRU list if there - is a danger that the block - would drift out of the buffer - pool*/ -#define BUF_KEEP_OLD 52 /*!< Preserve the current LRU - position of the block. */ -/* @} */ - -extern buf_pool_t* buf_pool; /*!< The buffer pool of the database */ -#ifdef UNIV_DEBUG -extern ibool buf_debug_prints;/*!< If this is set TRUE, the program - prints info whenever read or flush - occurs */ -#endif /* UNIV_DEBUG */ -extern ulint srv_buf_pool_write_requests; /*!< variable to count write request - issued */ -#else /* !UNIV_HOTBACKUP */ -extern buf_block_t* back_block1; /*!< first block, for --apply-log */ -extern buf_block_t* back_block2; /*!< second block, for page reorganize */ -#endif /* !UNIV_HOTBACKUP */ - -/** Magic value to use instead of checksums when they are disabled */ -#define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL - -/** @brief States of a control block -@see buf_page_struct - -The enumeration values must be 0..7. */ -enum buf_page_state { - BUF_BLOCK_ZIP_FREE = 0, /*!< contains a free - compressed page */ - BUF_BLOCK_POOL_WATCH = 0, /*!< a sentinel for the buffer pool - watch, element of buf_pool_watch[] */ - BUF_BLOCK_ZIP_PAGE, /*!< contains a clean - compressed page */ - BUF_BLOCK_ZIP_DIRTY, /*!< contains a compressed - page that is in the - buf_pool->flush_list */ - - BUF_BLOCK_NOT_USED, /*!< is in the free list; - must be after the BUF_BLOCK_ZIP_ - constants for compressed-only pages - @see buf_block_state_valid() */ - BUF_BLOCK_READY_FOR_USE, /*!< when buf_LRU_get_free_block - returns a block, it is in this state */ - BUF_BLOCK_FILE_PAGE, /*!< contains a buffered file page */ - BUF_BLOCK_MEMORY, /*!< contains some main memory - object */ - BUF_BLOCK_REMOVE_HASH /*!< hash index should be removed - before putting to the free list */ -}; - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Creates the buffer pool. -@return own: buf_pool object, NULL if not enough memory or error */ -UNIV_INTERN -buf_pool_t* -buf_pool_init(void); -/*===============*/ -/********************************************************************//** -Frees the buffer pool at shutdown. This must not be invoked before -freeing all mutexes. */ -UNIV_INTERN -void -buf_pool_free(void); -/*===============*/ - -/********************************************************************//** -Drops the adaptive hash index. To prevent a livelock, this function -is only to be called while holding btr_search_latch and while -btr_search_enabled == FALSE. */ -UNIV_INTERN -void -buf_pool_drop_hash_index(void); -/*==========================*/ - -/********************************************************************//** -Relocate a buffer control block. Relocates the block on the LRU list -and in buf_pool->page_hash. Does not relocate bpage->list. -The caller must take care of relocating bpage->list. */ -UNIV_INTERN -void -buf_relocate( -/*=========*/ - buf_page_t* bpage, /*!< in/out: control block being relocated; - buf_page_get_state(bpage) must be - BUF_BLOCK_ZIP_DIRTY or BUF_BLOCK_ZIP_PAGE */ - buf_page_t* dpage) /*!< in/out: destination control block */ - __attribute__((nonnull)); -/********************************************************************//** -Resizes the buffer pool. */ -UNIV_INTERN -void -buf_pool_resize(void); -/*=================*/ -/*********************************************************************//** -Gets the current size of buffer buf_pool in bytes. -@return size in bytes */ -UNIV_INLINE -ulint -buf_pool_get_curr_size(void); -/*========================*/ -/********************************************************************//** -Gets the smallest oldest_modification lsn for any page in the pool. Returns -zero if all modified pages have been flushed to disk. -@return oldest modification in pool, zero if none */ -UNIV_INLINE -ib_uint64_t -buf_pool_get_oldest_modification(void); -/*==================================*/ -/********************************************************************//** -Allocates a buffer block. -@return own: the allocated block, in state BUF_BLOCK_MEMORY */ -UNIV_INLINE -buf_block_t* -buf_block_alloc( -/*============*/ - ulint zip_size); /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ -/********************************************************************//** -Frees a buffer block which does not contain a file page. */ -UNIV_INLINE -void -buf_block_free( -/*===========*/ - buf_block_t* block); /*!< in, own: block to be freed */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Copies contents of a buffer frame to a given buffer. -@return buf */ -UNIV_INLINE -byte* -buf_frame_copy( -/*===========*/ - byte* buf, /*!< in: buffer to copy to */ - const buf_frame_t* frame); /*!< in: buffer frame */ -#ifndef UNIV_HOTBACKUP -/**************************************************************//** -NOTE! The following macros should be used instead of buf_page_get_gen, -to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed -in LA! */ -#define buf_page_get(SP, ZS, OF, LA, MTR) buf_page_get_gen(\ - SP, ZS, OF, LA, NULL,\ - BUF_GET, __FILE__, __LINE__, MTR) -/**************************************************************//** -Use these macros to bufferfix a page with no latching. Remember not to -read the contents of the page unless you know it is safe. Do not modify -the contents of the page! We have separated this case, because it is -error-prone programming not to set a latch, and it should be used -with care. */ -#define buf_page_get_with_no_latch(SP, ZS, OF, MTR) buf_page_get_gen(\ - SP, ZS, OF, RW_NO_LATCH, NULL,\ - BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR) -/********************************************************************//** -This is the general function used to get optimistic access to a database -page. -@return TRUE if success */ -UNIV_INTERN -ibool -buf_page_optimistic_get( -/*====================*/ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /*!< in: guessed block */ - ib_uint64_t modify_clock,/*!< in: modify clock value if mode is - ..._GUESS_ON_CLOCK */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mini-transaction */ -/********************************************************************//** -This is used to get access to a known database page, when no waiting can be -done. -@return TRUE if success */ -UNIV_INTERN -ibool -buf_page_get_known_nowait( -/*======================*/ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH */ - buf_block_t* block, /*!< in: the known page */ - ulint mode, /*!< in: BUF_MAKE_YOUNG or BUF_KEEP_OLD */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mini-transaction */ - -/*******************************************************************//** -Given a tablespace id and page number tries to get that page. If the -page is not in the buffer pool it is not loaded and NULL is returned. -Suitable for using when holding the kernel mutex. */ -UNIV_INTERN -const buf_block_t* -buf_page_try_get_func( -/*==================*/ - ulint space_id,/*!< in: tablespace id */ - ulint page_no,/*!< in: page number */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mini-transaction */ - -/** Tries to get a page. If the page is not in the buffer pool it is -not loaded. Suitable for using when holding the kernel mutex. -@param space_id in: tablespace id -@param page_no in: page number -@param mtr in: mini-transaction -@return the page if in buffer pool, NULL if not */ -#define buf_page_try_get(space_id, page_no, mtr) \ - buf_page_try_get_func(space_id, page_no, __FILE__, __LINE__, mtr); - -/********************************************************************//** -Get read access to a compressed page (usually of type -FIL_PAGE_TYPE_ZBLOB or FIL_PAGE_TYPE_ZBLOB2). -The page must be released with buf_page_release_zip(). -NOTE: the page is not protected by any latch. Mutual exclusion has to -be implemented at a higher level. In other words, all possible -accesses to a given page through this function must be protected by -the same set of mutexes or latches. -@return pointer to the block, or NULL if not compressed */ -UNIV_INTERN -buf_page_t* -buf_page_get_zip( -/*=============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -This is the general function used to get access to a database page. -@return pointer to the block or NULL */ -UNIV_INTERN -buf_block_t* -buf_page_get_gen( -/*=============*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint offset, /*!< in: page number */ - ulint rw_latch,/*!< in: RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ - buf_block_t* guess, /*!< in: guessed block or NULL */ - ulint mode, /*!< in: BUF_GET, BUF_GET_IF_IN_POOL, - BUF_GET_NO_LATCH or - BUF_GET_IF_IN_POOL_OR_WATCH */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line where called */ - mtr_t* mtr); /*!< in: mini-transaction */ -/********************************************************************//** -Initializes a page to the buffer buf_pool. The page is usually not read -from a file even if it cannot be found in the buffer buf_pool. This is one -of the functions which perform to a block a state transition NOT_USED => -FILE_PAGE (the other is buf_page_get_gen). -@return pointer to the block, page bufferfixed */ -UNIV_INTERN -buf_block_t* -buf_page_create( -/*============*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space in units of - a page */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -#else /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ -UNIV_INTERN -void -buf_page_init_for_backup_restore( -/*=============================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space - in units of a page */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - buf_block_t* block); /*!< in: block to init */ -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Releases a compressed-only page acquired with buf_page_get_zip(). */ -UNIV_INLINE -void -buf_page_release_zip( -/*=================*/ - buf_page_t* bpage); /*!< in: buffer block */ -/********************************************************************//** -Decrements the bufferfix count of a buffer control block and releases -a latch, if specified. */ -UNIV_INLINE -void -buf_page_release( -/*=============*/ - buf_block_t* block, /*!< in: buffer block */ - ulint rw_latch); /*!< in: RW_S_LATCH, RW_X_LATCH, - RW_NO_LATCH */ -/********************************************************************//** -Moves a page to the start of the buffer pool LRU list. This high-level -function can be used to prevent an important page from slipping out of -the buffer pool. */ -UNIV_INTERN -void -buf_page_make_young( -/*================*/ - buf_page_t* bpage); /*!< in: buffer block of a file page */ -/********************************************************************//** -Returns TRUE if the page can be found in the buffer pool hash table. - -NOTE that it is possible that the page is not yet read from disk, -though. - -@return TRUE if found in the page hash table */ -UNIV_INLINE -ibool -buf_page_peek( -/*==========*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -Resets the check_index_page_at_flush field of a page if found in the buffer -pool. */ -UNIV_INTERN -void -buf_reset_check_index_page_at_flush( -/*================================*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: page number */ -#ifdef UNIV_DEBUG_FILE_ACCESSES -/********************************************************************//** -Sets file_page_was_freed TRUE if the page is found in the buffer pool. -This function should be called when we free a file page and want the -debug version to check that it is not accessed any more unless -reallocated. -@return control block if found in page hash table, otherwise NULL */ -UNIV_INTERN -buf_page_t* -buf_page_set_file_page_was_freed( -/*=============================*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -Sets file_page_was_freed FALSE if the page is found in the buffer pool. -This function should be called when we free a file page and want the -debug version to check that it is not accessed any more unless -reallocated. -@return control block if found in page hash table, otherwise NULL */ -UNIV_INTERN -buf_page_t* -buf_page_reset_file_page_was_freed( -/*===============================*/ - ulint space, /*!< in: space id */ - ulint offset); /*!< in: page number */ -#endif /* UNIV_DEBUG_FILE_ACCESSES */ -/********************************************************************//** -Reads the freed_page_clock of a buffer block. -@return freed_page_clock */ -UNIV_INLINE -ulint -buf_page_get_freed_page_clock( -/*==========================*/ - const buf_page_t* bpage) /*!< in: block */ - __attribute__((pure)); -/********************************************************************//** -Reads the freed_page_clock of a buffer block. -@return freed_page_clock */ -UNIV_INLINE -ulint -buf_block_get_freed_page_clock( -/*===========================*/ - const buf_block_t* block) /*!< in: block */ - __attribute__((pure)); - -/********************************************************************//** -Recommends a move of a block to the start of the LRU list if there is danger -of dropping from the buffer pool. NOTE: does not reserve the buffer pool -mutex. -@return TRUE if should be made younger */ -UNIV_INLINE -ibool -buf_page_peek_if_too_old( -/*=====================*/ - const buf_page_t* bpage); /*!< in: block to make younger */ -/********************************************************************//** -Returns the current state of is_hashed of a page. FALSE if the page is -not in the pool. NOTE that this operation does not fix the page in the -pool if it is found there. -@return TRUE if page hash index is built in search system */ -UNIV_INTERN -ibool -buf_page_peek_if_search_hashed( -/*===========================*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -Gets the youngest modification log sequence number for a frame. -Returns zero if not file page or no modification occurred yet. -@return newest modification to page */ -UNIV_INLINE -ib_uint64_t -buf_page_get_newest_modification( -/*=============================*/ - const buf_page_t* bpage); /*!< in: block containing the - page frame */ -/********************************************************************//** -Increments the modify clock of a frame by 1. The caller must (1) own the -buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock -on the block. */ -UNIV_INLINE -void -buf_block_modify_clock_inc( -/*=======================*/ - buf_block_t* block); /*!< in: block */ -/********************************************************************//** -Returns the value of the modify clock. The caller must have an s-lock -or x-lock on the block. -@return value */ -UNIV_INLINE -ib_uint64_t -buf_block_get_modify_clock( -/*=======================*/ - buf_block_t* block); /*!< in: block */ -#else /* !UNIV_HOTBACKUP */ -# define buf_block_modify_clock_inc(block) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Calculates a page checksum which is stored to the page when it is written -to a file. Note that we must be careful to calculate the same value -on 32-bit and 64-bit architectures. -@return checksum */ -UNIV_INTERN -ulint -buf_calc_page_new_checksum( -/*=======================*/ - const byte* page); /*!< in: buffer page */ -/********************************************************************//** -In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only -looked at the first few bytes of the page. This calculates that old -checksum. -NOTE: we must first store the new formula checksum to -FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum -because this takes that field as an input! -@return checksum */ -UNIV_INTERN -ulint -buf_calc_page_old_checksum( -/*=======================*/ - const byte* page); /*!< in: buffer page */ -/********************************************************************//** -Checks if a page is corrupt. -@return TRUE if corrupted */ -UNIV_INTERN -ibool -buf_page_is_corrupted( -/*==================*/ - const byte* read_buf, /*!< in: a database page */ - ulint zip_size); /*!< in: size of compressed page; - 0 for uncompressed pages */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Gets the space id, page offset, and byte offset within page of a -pointer pointing to a buffer frame containing a file page. */ -UNIV_INLINE -void -buf_ptr_get_fsp_addr( -/*=================*/ - const void* ptr, /*!< in: pointer to a buffer frame */ - ulint* space, /*!< out: space id */ - fil_addr_t* addr); /*!< out: page offset and byte offset */ -/**********************************************************************//** -Gets the hash value of a block. This can be used in searches in the -lock hash table. -@return lock hash value */ -UNIV_INLINE -ulint -buf_block_get_lock_hash_val( -/*========================*/ - const buf_block_t* block) /*!< in: block */ - __attribute__((pure)); -#ifdef UNIV_DEBUG -/*********************************************************************//** -Finds a block in the buffer pool that points to a -given compressed page. -@return buffer block pointing to the compressed page, or NULL */ -UNIV_INTERN -buf_block_t* -buf_pool_contains_zip( -/*==================*/ - const void* data); /*!< in: pointer to compressed page */ -#endif /* UNIV_DEBUG */ -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/*********************************************************************//** -Validates the buffer pool data structure. -@return TRUE */ -UNIV_INTERN -ibool -buf_validate(void); -/*==============*/ -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/*********************************************************************//** -Prints info of the buffer pool data structure. */ -UNIV_INTERN -void -buf_print(void); -/*============*/ -#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Prints a page to stderr. */ -UNIV_INTERN -void -buf_page_print( -/*===========*/ - const byte* read_buf, /*!< in: a database page */ - ulint zip_size); /*!< in: compressed page size, or - 0 for uncompressed pages */ -/********************************************************************//** -Decompress a block. -@return TRUE if successful */ -UNIV_INTERN -ibool -buf_zip_decompress( -/*===============*/ - buf_block_t* block, /*!< in/out: block */ - ibool check); /*!< in: TRUE=verify the page checksum */ -#ifndef UNIV_HOTBACKUP -#ifdef UNIV_DEBUG -/*********************************************************************//** -Returns the number of latched pages in the buffer pool. -@return number of latched pages */ -UNIV_INTERN -ulint -buf_get_latched_pages_number(void); -/*==============================*/ -#endif /* UNIV_DEBUG */ -/*********************************************************************//** -Returns the number of pending buf pool ios. -@return number of pending I/O operations */ -UNIV_INTERN -ulint -buf_get_n_pending_ios(void); -/*=======================*/ -/*********************************************************************//** -Prints info of the buffer i/o. */ -UNIV_INTERN -void -buf_print_io( -/*=========*/ - FILE* file); /*!< in: file where to print */ -/*********************************************************************//** -Returns the ratio in percents of modified pages in the buffer pool / -database pages in the buffer pool. -@return modified page percentage ratio */ -UNIV_INTERN -ulint -buf_get_modified_ratio_pct(void); -/*============================*/ -/**********************************************************************//** -Refreshes the statistics used to print per-second averages. */ -UNIV_INTERN -void -buf_refresh_io_stats(void); -/*======================*/ -/*********************************************************************//** -Asserts that all file pages in the buffer are in a replaceable state. -@return TRUE */ -UNIV_INTERN -ibool -buf_all_freed(void); -/*===============*/ -/*********************************************************************//** -Checks that there currently are no pending i/o-operations for the buffer -pool. -@return TRUE if there is no pending i/o */ -UNIV_INTERN -ibool -buf_pool_check_no_pending_io(void); -/*==============================*/ -/*********************************************************************//** -Invalidates the file pages in the buffer pool when an archive recovery is -completed. All the file pages buffered must be in a replaceable state when -this function is called: not latched and not modified. */ -UNIV_INTERN -void -buf_pool_invalidate(void); -/*=====================*/ -#endif /* !UNIV_HOTBACKUP */ - -/*======================================================================== ---------------------------- LOWER LEVEL ROUTINES ------------------------- -=========================================================================*/ - -#ifdef UNIV_SYNC_DEBUG -/*********************************************************************//** -Adds latch level info for the rw-lock protecting the buffer frame. This -should be called in the debug version after a successful latching of a -page if we know the latching order level of the acquired latch. */ -UNIV_INLINE -void -buf_block_dbg_add_level( -/*====================*/ - buf_block_t* block, /*!< in: buffer page - where we have acquired latch */ - ulint level); /*!< in: latching order level */ -#else /* UNIV_SYNC_DEBUG */ -# define buf_block_dbg_add_level(block, level) /* nothing */ -#endif /* UNIV_SYNC_DEBUG */ -/*********************************************************************//** -Gets the state of a block. -@return state */ -UNIV_INLINE -enum buf_page_state -buf_page_get_state( -/*===============*/ - const buf_page_t* bpage); /*!< in: pointer to the control block */ -/*********************************************************************//** -Gets the state of a block. -@return state */ -UNIV_INLINE -enum buf_page_state -buf_block_get_state( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Sets the state of a block. */ -UNIV_INLINE -void -buf_page_set_state( -/*===============*/ - buf_page_t* bpage, /*!< in/out: pointer to control block */ - enum buf_page_state state); /*!< in: state */ -/*********************************************************************//** -Sets the state of a block. */ -UNIV_INLINE -void -buf_block_set_state( -/*================*/ - buf_block_t* block, /*!< in/out: pointer to control block */ - enum buf_page_state state); /*!< in: state */ -/*********************************************************************//** -Determines if a block is mapped to a tablespace. -@return TRUE if mapped */ -UNIV_INLINE -ibool -buf_page_in_file( -/*=============*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ - __attribute__((pure)); -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Determines if a block should be on unzip_LRU list. -@return TRUE if block belongs to unzip_LRU */ -UNIV_INLINE -ibool -buf_page_belongs_to_unzip_LRU( -/*==========================*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ - __attribute__((pure)); - -/*********************************************************************//** -Gets the mutex of a block. -@return pointer to mutex protecting bpage */ -UNIV_INLINE -mutex_t* -buf_page_get_mutex( -/*===============*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ - __attribute__((pure)); - -/*********************************************************************//** -Get the flush type of a page. -@return flush type */ -UNIV_INLINE -enum buf_flush -buf_page_get_flush_type( -/*====================*/ - const buf_page_t* bpage) /*!< in: buffer page */ - __attribute__((pure)); -/*********************************************************************//** -Set the flush type of a page. */ -UNIV_INLINE -void -buf_page_set_flush_type( -/*====================*/ - buf_page_t* bpage, /*!< in: buffer page */ - enum buf_flush flush_type); /*!< in: flush type */ -/*********************************************************************//** -Map a block to a file page. */ -UNIV_INLINE -void -buf_block_set_file_page( -/*====================*/ - buf_block_t* block, /*!< in/out: pointer to control block */ - ulint space, /*!< in: tablespace id */ - ulint page_no);/*!< in: page number */ -/*********************************************************************//** -Gets the io_fix state of a block. -@return io_fix state */ -UNIV_INLINE -enum buf_io_fix -buf_page_get_io_fix( -/*================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the io_fix state of a block. -@return io_fix state */ -UNIV_INLINE -enum buf_io_fix -buf_block_get_io_fix( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Sets the io_fix state of a block. */ -UNIV_INLINE -void -buf_page_set_io_fix( -/*================*/ - buf_page_t* bpage, /*!< in/out: control block */ - enum buf_io_fix io_fix);/*!< in: io_fix state */ -/*********************************************************************//** -Sets the io_fix state of a block. */ -UNIV_INLINE -void -buf_block_set_io_fix( -/*=================*/ - buf_block_t* block, /*!< in/out: control block */ - enum buf_io_fix io_fix);/*!< in: io_fix state */ - -/********************************************************************//** -Determine if a buffer block can be relocated in memory. The block -can be dirty, but it must not be I/O-fixed or bufferfixed. */ -UNIV_INLINE -ibool -buf_page_can_relocate( -/*==================*/ - const buf_page_t* bpage) /*!< control block being relocated */ - __attribute__((pure)); - -/*********************************************************************//** -Determine if a block has been flagged old. -@return TRUE if old */ -UNIV_INLINE -ibool -buf_page_is_old( -/*============*/ - const buf_page_t* bpage) /*!< in: control block */ - __attribute__((pure)); -/*********************************************************************//** -Flag a block old. */ -UNIV_INLINE -void -buf_page_set_old( -/*=============*/ - buf_page_t* bpage, /*!< in/out: control block */ - ibool old); /*!< in: old */ -/*********************************************************************//** -Determine the time of first access of a block in the buffer pool. -@return ut_time_ms() at the time of first access, 0 if not accessed */ -UNIV_INLINE -unsigned -buf_page_is_accessed( -/*=================*/ - const buf_page_t* bpage) /*!< in: control block */ - __attribute__((nonnull, pure)); -/*********************************************************************//** -Flag a block accessed. */ -UNIV_INLINE -void -buf_page_set_accessed( -/*==================*/ - buf_page_t* bpage, /*!< in/out: control block */ - ulint time_ms) /*!< in: ut_time_ms() */ - __attribute__((nonnull)); -/*********************************************************************//** -Gets the buf_block_t handle of a buffered file block if an uncompressed -page frame exists, or NULL. -@return control block, or NULL */ -UNIV_INLINE -buf_block_t* -buf_page_get_block( -/*===============*/ - buf_page_t* bpage) /*!< in: control block, or NULL */ - __attribute__((pure)); -#endif /* !UNIV_HOTBACKUP */ -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets a pointer to the memory frame of a block. -@return pointer to the frame */ -UNIV_INLINE -buf_frame_t* -buf_block_get_frame( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -#else /* UNIV_DEBUG */ -# define buf_block_get_frame(block) (block)->frame -#endif /* UNIV_DEBUG */ -/*********************************************************************//** -Gets the space id of a block. -@return space id */ -UNIV_INLINE -ulint -buf_page_get_space( -/*===============*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the space id of a block. -@return space id */ -UNIV_INLINE -ulint -buf_block_get_space( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the page number of a block. -@return page number */ -UNIV_INLINE -ulint -buf_page_get_page_no( -/*=================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the page number of a block. -@return page number */ -UNIV_INLINE -ulint -buf_block_get_page_no( -/*==================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the compressed page size of a block. -@return compressed page size, or 0 */ -UNIV_INLINE -ulint -buf_page_get_zip_size( -/*==================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the compressed page size of a block. -@return compressed page size, or 0 */ -UNIV_INLINE -ulint -buf_block_get_zip_size( -/*===================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ - __attribute__((pure)); -/*********************************************************************//** -Gets the compressed page descriptor corresponding to an uncompressed page -if applicable. */ -#define buf_block_get_page_zip(block) \ - (UNIV_LIKELY_NULL((block)->page.zip.data) ? &(block)->page.zip : NULL) -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Gets the block to whose frame the pointer is pointing to. -@return pointer to block, never NULL */ -UNIV_INTERN -buf_block_t* -buf_block_align( -/*============*/ - const byte* ptr); /*!< in: pointer to a frame */ -/********************************************************************//** -Find out if a pointer belongs to a buf_block_t. It can be a pointer to -the buf_block_t itself or a member of it -@return TRUE if ptr belongs to a buf_block_t struct */ -UNIV_INTERN -ibool -buf_pointer_is_block_field( -/*=======================*/ - const void* ptr); /*!< in: pointer not - dereferenced */ -/** Find out if a pointer corresponds to a buf_block_t::mutex. -@param m in: mutex candidate -@return TRUE if m is a buf_block_t::mutex */ -#define buf_pool_is_block_mutex(m) \ - buf_pointer_is_block_field((const void*)(m)) -/** Find out if a pointer corresponds to a buf_block_t::lock. -@param l in: rw-lock candidate -@return TRUE if l is a buf_block_t::lock */ -#define buf_pool_is_block_lock(l) \ - buf_pointer_is_block_field((const void*)(l)) - -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/*********************************************************************//** -Gets the compressed page descriptor corresponding to an uncompressed page -if applicable. -@return compressed page descriptor, or NULL */ -UNIV_INLINE -const page_zip_des_t* -buf_frame_get_page_zip( -/*===================*/ - const byte* ptr); /*!< in: pointer to the page */ -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -/********************************************************************//** -Function which inits a page for read to the buffer buf_pool. If the page is -(1) already in buf_pool, or -(2) if we specify to read only ibuf pages and the page is not an ibuf page, or -(3) if the space is deleted or being deleted, -then this function does nothing. -Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock -on the buffer frame. The io-handler must take care that the flag is cleared -and the lock released later. -@return pointer to the block or NULL */ -UNIV_INTERN -buf_page_t* -buf_page_init_for_read( -/*===================*/ - ulint* err, /*!< out: DB_SUCCESS or DB_TABLESPACE_DELETED */ - ulint mode, /*!< in: BUF_READ_IBUF_PAGES_ONLY, ... */ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size, or 0 */ - ibool unzip, /*!< in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong - version of the tablespace in case we have done - DISCARD + IMPORT */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -Completes an asynchronous read or write request of a file page to or from -the buffer pool. */ -UNIV_INTERN -void -buf_page_io_complete( -/*=================*/ - buf_page_t* bpage); /*!< in: pointer to the block in question */ -/********************************************************************//** -Calculates a folded value of a file page address to use in the page hash -table. -@return the folded value */ -UNIV_INLINE -ulint -buf_page_address_fold( -/*==================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ - __attribute__((const)); -/******************************************************************//** -Returns the control block of a file page, NULL if not found. -@return block, NULL if not found */ -UNIV_INLINE -buf_page_t* -buf_page_hash_get_low( -/*==================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space */ - ulint fold); /*!< in: buf_page_address_fold(space, offset) */ -/******************************************************************//** -Returns the control block of a file page, NULL if not found. -@return block, NULL if not found or not a real control block */ -UNIV_INLINE -buf_page_t* -buf_page_hash_get( -/*==============*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: offset of the page within space */ -/******************************************************************//** -Returns the control block of a file page, NULL if not found -or an uncompressed page frame does not exist. -@return block, NULL if not found */ -UNIV_INLINE -buf_block_t* -buf_block_hash_get( -/*===============*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: offset of the page within space */ -/*********************************************************************//** -Gets the current length of the free list of buffer blocks. -@return length of the free list */ -UNIV_INTERN -ulint -buf_get_free_list_len(void); -/*=======================*/ - -/******************************************************************** -Determine if a block is a sentinel for a buffer pool watch. -@return TRUE if a sentinel for a buffer pool watch, FALSE if not */ -UNIV_INTERN -ibool -buf_pool_watch_is( -/*==============*/ - const buf_page_t* bpage) /*!< in: block */ - __attribute__((nonnull, warn_unused_result)); -/****************************************************************//** -Add watch for the given page to be read in. Caller must have the buffer pool -@return NULL if watch set, block if the page is in the buffer pool */ -UNIV_INTERN -buf_page_t* -buf_pool_watch_set( -/*===============*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: page number */ - ulint fold) /*!< in: buf_page_address_fold(space, offset) */ - __attribute__((warn_unused_result)); -/****************************************************************//** -Stop watching if the page has been read in. -buf_pool_watch_set(space,offset) must have returned NULL before. */ -UNIV_INTERN -void -buf_pool_watch_unset( -/*=================*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: page number */ -/****************************************************************//** -Check if the page has been read in. -This may only be called after buf_pool_watch_set(space,offset) -has returned NULL and before invoking buf_pool_watch_unset(space,offset). -@return FALSE if the given page was not read in, TRUE if it was */ -UNIV_INTERN -ibool -buf_pool_watch_occurred( -/*====================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ - __attribute__((warn_unused_result)); -#endif /* !UNIV_HOTBACKUP */ - -/** The common buffer control block structure -for compressed and uncompressed frames */ - -struct buf_page_struct{ - /** @name General fields - None of these bit-fields must be modified without holding - buf_page_get_mutex() [buf_block_struct::mutex or - buf_pool_zip_mutex], since they can be stored in the same - machine word. Some of these fields are additionally protected - by buf_pool_mutex. */ - /* @{ */ - - unsigned space:32; /*!< tablespace id; also protected - by buf_pool_mutex. */ - unsigned offset:32; /*!< page number; also protected - by buf_pool_mutex. */ - - unsigned state:3; /*!< state of the control block; also - protected by buf_pool_mutex. - State transitions from - BUF_BLOCK_READY_FOR_USE to - BUF_BLOCK_MEMORY need not be - protected by buf_page_get_mutex(). - @see enum buf_page_state */ -#ifndef UNIV_HOTBACKUP - unsigned flush_type:2; /*!< if this block is currently being - flushed to disk, this tells the - flush_type. - @see enum buf_flush */ - unsigned io_fix:2; /*!< type of pending I/O operation; - also protected by buf_pool_mutex - @see enum buf_io_fix */ - unsigned buf_fix_count:25;/*!< count of how manyfold this block - is currently bufferfixed */ - /* @} */ -#endif /* !UNIV_HOTBACKUP */ - page_zip_des_t zip; /*!< compressed page; zip.data - (but not the data it points to) is - also protected by buf_pool_mutex; - state == BUF_BLOCK_ZIP_PAGE and - zip.data == NULL means an active - buf_pool_watch */ -#ifndef UNIV_HOTBACKUP - buf_page_t* hash; /*!< node used in chaining to - buf_pool->page_hash or - buf_pool->zip_hash */ -#ifdef UNIV_DEBUG - ibool in_page_hash; /*!< TRUE if in buf_pool->page_hash */ - ibool in_zip_hash; /*!< TRUE if in buf_pool->zip_hash */ -#endif /* UNIV_DEBUG */ - - /** @name Page flushing fields - All these are protected by buf_pool_mutex. */ - /* @{ */ - - UT_LIST_NODE_T(buf_page_t) list; - /*!< based on state, this is a - list node, protected either by - buf_pool_mutex or by - flush_list_mutex, in one of the - following lists in buf_pool: - - - BUF_BLOCK_NOT_USED: free - - BUF_BLOCK_FILE_PAGE: flush_list - - BUF_BLOCK_ZIP_DIRTY: flush_list - - BUF_BLOCK_ZIP_PAGE: zip_clean - - BUF_BLOCK_ZIP_FREE: zip_free[] - - If bpage is part of flush_list - then the node pointers are - covered by flush_list_mutex. - Otherwise these pointers are - protected by buf_pool_mutex. - - The contents of the list node - is undefined if !in_flush_list - && state == BUF_BLOCK_FILE_PAGE, - or if state is one of - BUF_BLOCK_MEMORY, - BUF_BLOCK_REMOVE_HASH or - BUF_BLOCK_READY_IN_USE. */ - -#ifdef UNIV_DEBUG - ibool in_flush_list; /*!< TRUE if in buf_pool->flush_list; - when flush_list_mutex is free, the - following should hold: in_flush_list - == (state == BUF_BLOCK_FILE_PAGE - || state == BUF_BLOCK_ZIP_DIRTY) - Writes to this field must be - covered by both block->mutex - and flush_list_mutex. Hence - reads can happen while holding - any one of the two mutexes */ - ibool in_free_list; /*!< TRUE if in buf_pool->free; when - buf_pool_mutex is free, the following - should hold: in_free_list - == (state == BUF_BLOCK_NOT_USED) */ -#endif /* UNIV_DEBUG */ - ib_uint64_t newest_modification; - /*!< log sequence number of - the youngest modification to - this block, zero if not - modified. Protected by block - mutex */ - ib_uint64_t oldest_modification; - /*!< log sequence number of - the START of the log entry - written of the oldest - modification to this block - which has not yet been flushed - on disk; zero if all - modifications are on disk. - Writes to this field must be - covered by both block->mutex - and flush_list_mutex. Hence - reads can happen while holding - any one of the two mutexes */ - /* @} */ - /** @name LRU replacement algorithm fields - These fields are protected by buf_pool_mutex only (not - buf_pool_zip_mutex or buf_block_struct::mutex). */ - /* @{ */ - - UT_LIST_NODE_T(buf_page_t) LRU; - /*!< node of the LRU list */ -#ifdef UNIV_DEBUG - ibool in_LRU_list; /*!< TRUE if the page is in - the LRU list; used in - debugging */ -#endif /* UNIV_DEBUG */ - unsigned old:1; /*!< TRUE if the block is in the old - blocks in buf_pool->LRU_old */ - unsigned freed_page_clock:31;/*!< the value of - buf_pool->freed_page_clock - when this block was the last - time put to the head of the - LRU list; a thread is allowed - to read this for heuristic - purposes without holding any - mutex or latch */ - unsigned access_time:32; /*!< time of first access, or - 0 if the block was never accessed - in the buffer pool */ - /* @} */ -# ifdef UNIV_DEBUG_FILE_ACCESSES - ibool file_page_was_freed; - /*!< this is set to TRUE when fsp - frees a page in buffer pool */ -# endif /* UNIV_DEBUG_FILE_ACCESSES */ -#endif /* !UNIV_HOTBACKUP */ -}; - -/** The buffer control block structure */ - -struct buf_block_struct{ - - /** @name General fields */ - /* @{ */ - - buf_page_t page; /*!< page information; this must - be the first field, so that - buf_pool->page_hash can point - to buf_page_t or buf_block_t */ - byte* frame; /*!< pointer to buffer frame which - is of size UNIV_PAGE_SIZE, and - aligned to an address divisible by - UNIV_PAGE_SIZE */ -#ifndef UNIV_HOTBACKUP - UT_LIST_NODE_T(buf_block_t) unzip_LRU; - /*!< node of the decompressed LRU list; - a block is in the unzip_LRU list - if page.state == BUF_BLOCK_FILE_PAGE - and page.zip.data != NULL */ -#ifdef UNIV_DEBUG - ibool in_unzip_LRU_list;/*!< TRUE if the page is in the - decompressed LRU list; - used in debugging */ -#endif /* UNIV_DEBUG */ - mutex_t mutex; /*!< mutex protecting this block: - state (also protected by the buffer - pool mutex), io_fix, buf_fix_count, - and accessed; we introduce this new - mutex in InnoDB-5.1 to relieve - contention on the buffer pool mutex */ - rw_lock_t lock; /*!< read-write lock of the buffer - frame */ - unsigned lock_hash_val:32;/*!< hashed value of the page address - in the record lock hash table; - protected by buf_block_t::lock - (or buf_block_t::mutex, buf_pool_mutex - in buf_page_get_gen(), - buf_page_init_for_read() - and buf_page_create()) */ - ibool check_index_page_at_flush; - /*!< TRUE if we know that this is - an index page, and want the database - to check its consistency before flush; - note that there may be pages in the - buffer pool which are index pages, - but this flag is not set because - we do not keep track of all pages; - NOT protected by any mutex */ - /* @} */ - /** @name Optimistic search field */ - /* @{ */ - - ib_uint64_t modify_clock; /*!< this clock is incremented every - time a pointer to a record on the - page may become obsolete; this is - used in the optimistic cursor - positioning: if the modify clock has - not changed, we know that the pointer - is still valid; this field may be - changed if the thread (1) owns the - pool mutex and the page is not - bufferfixed, or (2) the thread has an - x-latch on the block */ - /* @} */ - /** @name Hash search fields (unprotected) - NOTE that these fields are NOT protected by any semaphore! */ - /* @{ */ - - ulint n_hash_helps; /*!< counter which controls building - of a new hash index for the page */ - ulint n_fields; /*!< recommended prefix length for hash - search: number of full fields */ - ulint n_bytes; /*!< recommended prefix: number of bytes - in an incomplete field */ - ibool left_side; /*!< TRUE or FALSE, depending on - whether the leftmost record of several - records with the same prefix should be - indexed in the hash index */ - /* @} */ - - /** @name Hash search fields - These 6 fields may only be modified when we have - an x-latch on btr_search_latch AND - - we are holding an s-latch or x-latch on buf_block_struct::lock or - - we know that buf_block_struct::buf_fix_count == 0. - - An exception to this is when we init or create a page - in the buffer pool in buf0buf.c. */ - - /* @{ */ - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - ulint n_pointers; /*!< used in debugging: the number of - pointers in the adaptive hash index - pointing to this frame */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - unsigned is_hashed:1; /*!< TRUE if hash index has - already been built on this - page; note that it does not - guarantee that the index is - complete, though: there may - have been hash collisions, - record deletions, etc. */ - unsigned curr_n_fields:10;/*!< prefix length for hash indexing: - number of full fields */ - unsigned curr_n_bytes:15;/*!< number of bytes in hash - indexing */ - unsigned curr_left_side:1;/*!< TRUE or FALSE in hash indexing */ - dict_index_t* index; /*!< Index for which the adaptive - hash index has been created. */ - /* @} */ -# ifdef UNIV_SYNC_DEBUG - /** @name Debug fields */ - /* @{ */ - rw_lock_t debug_latch; /*!< in the debug version, each thread - which bufferfixes the block acquires - an s-latch here; so we can use the - debug utilities in sync0rw */ - /* @} */ -# endif -#endif /* !UNIV_HOTBACKUP */ -}; - -/** Check if a buf_block_t object is in a valid state -@param block buffer block -@return TRUE if valid */ -#define buf_block_state_valid(block) \ -(buf_block_get_state(block) >= BUF_BLOCK_NOT_USED \ - && (buf_block_get_state(block) <= BUF_BLOCK_REMOVE_HASH)) - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Compute the hash fold value for blocks in buf_pool->zip_hash. */ -/* @{ */ -#define BUF_POOL_ZIP_FOLD_PTR(ptr) ((ulint) (ptr) / UNIV_PAGE_SIZE) -#define BUF_POOL_ZIP_FOLD(b) BUF_POOL_ZIP_FOLD_PTR((b)->frame) -#define BUF_POOL_ZIP_FOLD_BPAGE(b) BUF_POOL_ZIP_FOLD((buf_block_t*) (b)) -/* @} */ - -/** @brief The buffer pool statistics structure. */ -struct buf_pool_stat_struct{ - ulint n_page_gets; /*!< number of page gets performed; - also successful searches through - the adaptive hash index are - counted as page gets; this field - is NOT protected by the buffer - pool mutex */ - ulint n_pages_read; /*!< number read operations */ - ulint n_pages_written;/*!< number write operations */ - ulint n_pages_created;/*!< number of pages created - in the pool with no read */ - ulint n_ra_pages_read;/*!< number of pages read in - as part of read ahead */ - ulint n_ra_pages_evicted;/*!< number of read ahead - pages that are evicted without - being accessed */ - ulint n_pages_made_young; /*!< number of pages made young, in - calls to buf_LRU_make_block_young() */ - ulint n_pages_not_made_young; /*!< number of pages not made - young because the first access - was not long enough ago, in - buf_page_peek_if_too_old() */ -}; - -/** @brief The buffer pool structure. - -NOTE! The definition appears here only for other modules of this -directory (buf) to see it. Do not use from outside! */ - -struct buf_pool_struct{ - - /** @name General fields */ - /* @{ */ - - ulint n_chunks; /*!< number of buffer pool chunks */ - buf_chunk_t* chunks; /*!< buffer pool chunks */ - ulint curr_size; /*!< current pool size in pages */ - hash_table_t* page_hash; /*!< hash table of buf_page_t or - buf_block_t file pages, - buf_page_in_file() == TRUE, - indexed by (space_id, offset) */ - hash_table_t* zip_hash; /*!< hash table of buf_block_t blocks - whose frames are allocated to the - zip buddy system, - indexed by block->frame */ - ulint n_pend_reads; /*!< number of pending read operations */ - ulint n_pend_unzip; /*!< number of pending decompressions */ - - time_t last_printout_time; - /*!< when buf_print_io was last time - called */ - buf_pool_stat_t stat; /*!< current statistics */ - buf_pool_stat_t old_stat; /*!< old statistics */ - - /* @} */ - - /** @name Page flushing algorithm fields */ - - /* @{ */ - - mutex_t flush_list_mutex;/*!< mutex protecting the - flush list access. This mutex - protects flush_list, flush_rbt - and bpage::list pointers when - the bpage is on flush_list. It - also protects writes to - bpage::oldest_modification */ - UT_LIST_BASE_NODE_T(buf_page_t) flush_list; - /*!< base node of the modified block - list */ - ibool init_flush[BUF_FLUSH_N_TYPES]; - /*!< this is TRUE when a flush of the - given type is being initialized */ - ulint n_flush[BUF_FLUSH_N_TYPES]; - /*!< this is the number of pending - writes in the given flush type */ - os_event_t no_flush[BUF_FLUSH_N_TYPES]; - /*!< this is in the set state - when there is no flush batch - of the given type running */ - ib_rbt_t* flush_rbt; /*!< a red-black tree is used - exclusively during recovery to - speed up insertions in the - flush_list. This tree contains - blocks in order of - oldest_modification LSN and is - kept in sync with the - flush_list. - Each member of the tree MUST - also be on the flush_list. - This tree is relevant only in - recovery and is set to NULL - once the recovery is over. - Protected by flush_list_mutex */ - ulint freed_page_clock;/*!< a sequence number used - to count the number of buffer - blocks removed from the end of - the LRU list; NOTE that this - counter may wrap around at 4 - billion! A thread is allowed - to read this for heuristic - purposes without holding any - mutex or latch */ - ulint LRU_flush_ended;/*!< when an LRU flush ends for a page, - this is incremented by one; this is - set to zero when a buffer block is - allocated */ - /* @} */ - - /** @name LRU replacement algorithm fields */ - /* @{ */ - - UT_LIST_BASE_NODE_T(buf_page_t) free; - /*!< base node of the free - block list */ - UT_LIST_BASE_NODE_T(buf_page_t) LRU; - /*!< base node of the LRU list */ - buf_page_t* LRU_old; /*!< pointer to the about - buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV - oldest blocks in the LRU list; - NULL if LRU length less than - BUF_LRU_OLD_MIN_LEN; - NOTE: when LRU_old != NULL, its length - should always equal LRU_old_len */ - ulint LRU_old_len; /*!< length of the LRU list from - the block to which LRU_old points - onward, including that block; - see buf0lru.c for the restrictions - on this value; 0 if LRU_old == NULL; - NOTE: LRU_old_len must be adjusted - whenever LRU_old shrinks or grows! */ - - UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU; - /*!< base node of the - unzip_LRU list */ - - /* @} */ - /** @name Buddy allocator fields - The buddy allocator is used for allocating compressed page - frames and buf_page_t descriptors of blocks that exist - in the buffer pool only in compressed form. */ - /* @{ */ - UT_LIST_BASE_NODE_T(buf_page_t) zip_clean; - /*!< unmodified compressed pages */ - UT_LIST_BASE_NODE_T(buf_page_t) zip_free[BUF_BUDDY_SIZES]; - /*!< buddy free lists */ -#if BUF_BUDDY_HIGH != UNIV_PAGE_SIZE -# error "BUF_BUDDY_HIGH != UNIV_PAGE_SIZE" -#endif -#if BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE -# error "BUF_BUDDY_LOW > PAGE_ZIP_MIN_SIZE" -#endif - /* @} */ -}; - -/** mutex protecting the buffer pool struct and control blocks, except the -read-write lock in them */ -extern mutex_t buf_pool_mutex; -/** mutex protecting the control blocks of compressed-only pages -(of type buf_page_t, not buf_block_t) */ -extern mutex_t buf_pool_zip_mutex; - -/** @name Accessors for buf_pool_mutex. -Use these instead of accessing buf_pool_mutex directly. */ -/* @{ */ - -/** Test if buf_pool_mutex is owned. */ -#define buf_pool_mutex_own() mutex_own(&buf_pool_mutex) -/** Acquire the buffer pool mutex. */ -#define buf_pool_mutex_enter() do { \ - ut_ad(!mutex_own(&buf_pool_zip_mutex)); \ - mutex_enter(&buf_pool_mutex); \ -} while (0) - -/** Test if flush list mutex is owned. */ -#define buf_flush_list_mutex_own() mutex_own(&buf_pool->flush_list_mutex) - -/** Acquire the flush list mutex. */ -#define buf_flush_list_mutex_enter() do { \ - mutex_enter(&buf_pool->flush_list_mutex); \ -} while (0) -/** Release the flush list mutex. */ -# define buf_flush_list_mutex_exit() do { \ - mutex_exit(&buf_pool->flush_list_mutex); \ -} while (0) - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/** Flag to forbid the release of the buffer pool mutex. -Protected by buf_pool_mutex. */ -extern ulint buf_pool_mutex_exit_forbidden; -/** Forbid the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_forbid() do { \ - ut_ad(buf_pool_mutex_own()); \ - buf_pool_mutex_exit_forbidden++; \ -} while (0) -/** Allow the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_allow() do { \ - ut_ad(buf_pool_mutex_own()); \ - ut_a(buf_pool_mutex_exit_forbidden); \ - buf_pool_mutex_exit_forbidden--; \ -} while (0) -/** Release the buffer pool mutex. */ -# define buf_pool_mutex_exit() do { \ - ut_a(!buf_pool_mutex_exit_forbidden); \ - mutex_exit(&buf_pool_mutex); \ -} while (0) -#else -/** Forbid the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_forbid() ((void) 0) -/** Allow the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_allow() ((void) 0) -/** Release the buffer pool mutex. */ -# define buf_pool_mutex_exit() mutex_exit(&buf_pool_mutex) -#endif -#endif /* !UNIV_HOTBACKUP */ -/* @} */ - -/********************************************************************** -Let us list the consistency conditions for different control block states. - -NOT_USED: is in free list, not in LRU list, not in flush list, nor - page hash table -READY_FOR_USE: is not in free list, LRU list, or flush list, nor page - hash table -MEMORY: is not in free list, LRU list, or flush list, nor page - hash table -FILE_PAGE: space and offset are defined, is in page hash table - if io_fix == BUF_IO_WRITE, - pool: no_flush[flush_type] is in reset state, - pool: n_flush[flush_type] > 0 - - (1) if buf_fix_count == 0, then - is in LRU list, not in free list - is in flush list, - if and only if oldest_modification > 0 - is x-locked, - if and only if io_fix == BUF_IO_READ - is s-locked, - if and only if io_fix == BUF_IO_WRITE - - (2) if buf_fix_count > 0, then - is not in LRU list, not in free list - is in flush list, - if and only if oldest_modification > 0 - if io_fix == BUF_IO_READ, - is x-locked - if io_fix == BUF_IO_WRITE, - is s-locked - -State transitions: - -NOT_USED => READY_FOR_USE -READY_FOR_USE => MEMORY -READY_FOR_USE => FILE_PAGE -MEMORY => NOT_USED -FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if - (1) buf_fix_count == 0, - (2) oldest_modification == 0, and - (3) io_fix == 0. -*/ - -#ifndef UNIV_NONINL -#include "buf0buf.ic" -#endif - -#endif diff --git a/perfschema/include/buf0buf.ic b/perfschema/include/buf0buf.ic deleted file mode 100644 index 0a3572e3e49..00000000000 --- a/perfschema/include/buf0buf.ic +++ /dev/null @@ -1,1090 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0buf.ic -The database buffer buf_pool - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#include "mtr0mtr.h" -#ifndef UNIV_HOTBACKUP -#include "buf0flu.h" -#include "buf0lru.h" -#include "buf0rea.h" - -/********************************************************************//** -Reads the freed_page_clock of a buffer block. -@return freed_page_clock */ -UNIV_INLINE -ulint -buf_page_get_freed_page_clock( -/*==========================*/ - const buf_page_t* bpage) /*!< in: block */ -{ - /* This is sometimes read without holding buf_pool_mutex. */ - return(bpage->freed_page_clock); -} - -/********************************************************************//** -Reads the freed_page_clock of a buffer block. -@return freed_page_clock */ -UNIV_INLINE -ulint -buf_block_get_freed_page_clock( -/*===========================*/ - const buf_block_t* block) /*!< in: block */ -{ - return(buf_page_get_freed_page_clock(&block->page)); -} - -/********************************************************************//** -Recommends a move of a block to the start of the LRU list if there is danger -of dropping from the buffer pool. NOTE: does not reserve the buffer pool -mutex. -@return TRUE if should be made younger */ -UNIV_INLINE -ibool -buf_page_peek_if_too_old( -/*=====================*/ - const buf_page_t* bpage) /*!< in: block to make younger */ -{ - if (UNIV_UNLIKELY(buf_pool->freed_page_clock == 0)) { - /* If eviction has not started yet, do not update the - statistics or move blocks in the LRU list. This is - either the warm-up phase or an in-memory workload. */ - return(FALSE); - } else if (buf_LRU_old_threshold_ms && bpage->old) { - unsigned access_time = buf_page_is_accessed(bpage); - - if (access_time > 0 - && (ut_time_ms() - access_time) - >= buf_LRU_old_threshold_ms) { - return(TRUE); - } - - buf_pool->stat.n_pages_not_made_young++; - return(FALSE); - } else { - /* FIXME: bpage->freed_page_clock is 31 bits */ - return((buf_pool->freed_page_clock & ((1UL << 31) - 1)) - > ((ulint) bpage->freed_page_clock - + (buf_pool->curr_size - * (BUF_LRU_OLD_RATIO_DIV - buf_LRU_old_ratio) - / (BUF_LRU_OLD_RATIO_DIV * 4)))); - } -} - -/*********************************************************************//** -Gets the current size of buffer buf_pool in bytes. -@return size in bytes */ -UNIV_INLINE -ulint -buf_pool_get_curr_size(void) -/*========================*/ -{ - return(buf_pool->curr_size * UNIV_PAGE_SIZE); -} - -/********************************************************************//** -Gets the smallest oldest_modification lsn for any page in the pool. Returns -zero if all modified pages have been flushed to disk. -@return oldest modification in pool, zero if none */ -UNIV_INLINE -ib_uint64_t -buf_pool_get_oldest_modification(void) -/*==================================*/ -{ - buf_page_t* bpage; - ib_uint64_t lsn; - - buf_flush_list_mutex_enter(); - - bpage = UT_LIST_GET_LAST(buf_pool->flush_list); - - if (bpage == NULL) { - lsn = 0; - } else { - ut_ad(bpage->in_flush_list); - lsn = bpage->oldest_modification; - } - - buf_flush_list_mutex_exit(); - - /* The returned answer may be out of date: the flush_list can - change after the mutex has been released. */ - - return(lsn); -} -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Gets the state of a block. -@return state */ -UNIV_INLINE -enum buf_page_state -buf_page_get_state( -/*===============*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ -{ - enum buf_page_state state = (enum buf_page_state) bpage->state; - -#ifdef UNIV_DEBUG - switch (state) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_FILE_PAGE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - break; - default: - ut_error; - } -#endif /* UNIV_DEBUG */ - - return(state); -} -/*********************************************************************//** -Gets the state of a block. -@return state */ -UNIV_INLINE -enum buf_page_state -buf_block_get_state( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - return(buf_page_get_state(&block->page)); -} -/*********************************************************************//** -Sets the state of a block. */ -UNIV_INLINE -void -buf_page_set_state( -/*===============*/ - buf_page_t* bpage, /*!< in/out: pointer to control block */ - enum buf_page_state state) /*!< in: state */ -{ -#ifdef UNIV_DEBUG - enum buf_page_state old_state = buf_page_get_state(bpage); - - switch (old_state) { - case BUF_BLOCK_ZIP_FREE: - ut_error; - break; - case BUF_BLOCK_ZIP_PAGE: - ut_a(state == BUF_BLOCK_ZIP_DIRTY); - break; - case BUF_BLOCK_ZIP_DIRTY: - ut_a(state == BUF_BLOCK_ZIP_PAGE); - break; - case BUF_BLOCK_NOT_USED: - ut_a(state == BUF_BLOCK_READY_FOR_USE); - break; - case BUF_BLOCK_READY_FOR_USE: - ut_a(state == BUF_BLOCK_MEMORY - || state == BUF_BLOCK_FILE_PAGE - || state == BUF_BLOCK_NOT_USED); - break; - case BUF_BLOCK_MEMORY: - ut_a(state == BUF_BLOCK_NOT_USED); - break; - case BUF_BLOCK_FILE_PAGE: - ut_a(state == BUF_BLOCK_NOT_USED - || state == BUF_BLOCK_REMOVE_HASH); - break; - case BUF_BLOCK_REMOVE_HASH: - ut_a(state == BUF_BLOCK_MEMORY); - break; - } -#endif /* UNIV_DEBUG */ - bpage->state = state; - ut_ad(buf_page_get_state(bpage) == state); -} - -/*********************************************************************//** -Sets the state of a block. */ -UNIV_INLINE -void -buf_block_set_state( -/*================*/ - buf_block_t* block, /*!< in/out: pointer to control block */ - enum buf_page_state state) /*!< in: state */ -{ - buf_page_set_state(&block->page, state); -} - -/*********************************************************************//** -Determines if a block is mapped to a tablespace. -@return TRUE if mapped */ -UNIV_INLINE -ibool -buf_page_in_file( -/*=============*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ -{ - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - /* This is a free page in buf_pool->zip_free[]. - Such pages should only be accessed by the buddy allocator. */ - ut_error; - break; - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_FILE_PAGE: - return(TRUE); - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - break; - } - - return(FALSE); -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Determines if a block should be on unzip_LRU list. -@return TRUE if block belongs to unzip_LRU */ -UNIV_INLINE -ibool -buf_page_belongs_to_unzip_LRU( -/*==========================*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ -{ - ut_ad(buf_page_in_file(bpage)); - - return(bpage->zip.data - && buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); -} - -/*********************************************************************//** -Gets the mutex of a block. -@return pointer to mutex protecting bpage */ -UNIV_INLINE -mutex_t* -buf_page_get_mutex( -/*===============*/ - const buf_page_t* bpage) /*!< in: pointer to control block */ -{ - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_FREE: - ut_error; - return(NULL); - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - return(&buf_pool_zip_mutex); - default: - return(&((buf_block_t*) bpage)->mutex); - } -} - -/*********************************************************************//** -Get the flush type of a page. -@return flush type */ -UNIV_INLINE -enum buf_flush -buf_page_get_flush_type( -/*====================*/ - const buf_page_t* bpage) /*!< in: buffer page */ -{ - enum buf_flush flush_type = (enum buf_flush) bpage->flush_type; - -#ifdef UNIV_DEBUG - switch (flush_type) { - case BUF_FLUSH_LRU: - case BUF_FLUSH_SINGLE_PAGE: - case BUF_FLUSH_LIST: - return(flush_type); - case BUF_FLUSH_N_TYPES: - break; - } - ut_error; -#endif /* UNIV_DEBUG */ - return(flush_type); -} -/*********************************************************************//** -Set the flush type of a page. */ -UNIV_INLINE -void -buf_page_set_flush_type( -/*====================*/ - buf_page_t* bpage, /*!< in: buffer page */ - enum buf_flush flush_type) /*!< in: flush type */ -{ - bpage->flush_type = flush_type; - ut_ad(buf_page_get_flush_type(bpage) == flush_type); -} - -/*********************************************************************//** -Map a block to a file page. */ -UNIV_INLINE -void -buf_block_set_file_page( -/*====================*/ - buf_block_t* block, /*!< in/out: pointer to control block */ - ulint space, /*!< in: tablespace id */ - ulint page_no)/*!< in: page number */ -{ - buf_block_set_state(block, BUF_BLOCK_FILE_PAGE); - block->page.space = space; - block->page.offset = page_no; -} - -/*********************************************************************//** -Gets the io_fix state of a block. -@return io_fix state */ -UNIV_INLINE -enum buf_io_fix -buf_page_get_io_fix( -/*================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ -{ - enum buf_io_fix io_fix = (enum buf_io_fix) bpage->io_fix; -#ifdef UNIV_DEBUG - switch (io_fix) { - case BUF_IO_NONE: - case BUF_IO_READ: - case BUF_IO_WRITE: - return(io_fix); - } - ut_error; -#endif /* UNIV_DEBUG */ - return(io_fix); -} - -/*********************************************************************//** -Gets the io_fix state of a block. -@return io_fix state */ -UNIV_INLINE -enum buf_io_fix -buf_block_get_io_fix( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - return(buf_page_get_io_fix(&block->page)); -} - -/*********************************************************************//** -Sets the io_fix state of a block. */ -UNIV_INLINE -void -buf_page_set_io_fix( -/*================*/ - buf_page_t* bpage, /*!< in/out: control block */ - enum buf_io_fix io_fix) /*!< in: io_fix state */ -{ - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - - bpage->io_fix = io_fix; - ut_ad(buf_page_get_io_fix(bpage) == io_fix); -} - -/*********************************************************************//** -Sets the io_fix state of a block. */ -UNIV_INLINE -void -buf_block_set_io_fix( -/*=================*/ - buf_block_t* block, /*!< in/out: control block */ - enum buf_io_fix io_fix) /*!< in: io_fix state */ -{ - buf_page_set_io_fix(&block->page, io_fix); -} - -/********************************************************************//** -Determine if a buffer block can be relocated in memory. The block -can be dirty, but it must not be I/O-fixed or bufferfixed. */ -UNIV_INLINE -ibool -buf_page_can_relocate( -/*==================*/ - const buf_page_t* bpage) /*!< control block being relocated */ -{ - ut_ad(buf_pool_mutex_own()); - ut_ad(mutex_own(buf_page_get_mutex(bpage))); - ut_ad(buf_page_in_file(bpage)); - ut_ad(bpage->in_LRU_list); - - return(buf_page_get_io_fix(bpage) == BUF_IO_NONE - && bpage->buf_fix_count == 0); -} - -/*********************************************************************//** -Determine if a block has been flagged old. -@return TRUE if old */ -UNIV_INLINE -ibool -buf_page_is_old( -/*============*/ - const buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - - return(bpage->old); -} - -/*********************************************************************//** -Flag a block old. */ -UNIV_INLINE -void -buf_page_set_old( -/*=============*/ - buf_page_t* bpage, /*!< in/out: control block */ - ibool old) /*!< in: old */ -{ - ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - ut_ad(bpage->in_LRU_list); - -#ifdef UNIV_LRU_DEBUG - ut_a((buf_pool->LRU_old_len == 0) == (buf_pool->LRU_old == NULL)); - /* If a block is flagged "old", the LRU_old list must exist. */ - ut_a(!old || buf_pool->LRU_old); - - if (UT_LIST_GET_PREV(LRU, bpage) && UT_LIST_GET_NEXT(LRU, bpage)) { - const buf_page_t* prev = UT_LIST_GET_PREV(LRU, bpage); - const buf_page_t* next = UT_LIST_GET_NEXT(LRU, bpage); - if (prev->old == next->old) { - ut_a(prev->old == old); - } else { - ut_a(!prev->old); - ut_a(buf_pool->LRU_old == (old ? bpage : next)); - } - } -#endif /* UNIV_LRU_DEBUG */ - - bpage->old = old; -} - -/*********************************************************************//** -Determine the time of first access of a block in the buffer pool. -@return ut_time_ms() at the time of first access, 0 if not accessed */ -UNIV_INLINE -unsigned -buf_page_is_accessed( -/*=================*/ - const buf_page_t* bpage) /*!< in: control block */ -{ - ut_ad(buf_page_in_file(bpage)); - - return(bpage->access_time); -} - -/*********************************************************************//** -Flag a block accessed. */ -UNIV_INLINE -void -buf_page_set_accessed( -/*==================*/ - buf_page_t* bpage, /*!< in/out: control block */ - ulint time_ms) /*!< in: ut_time_ms() */ -{ - ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); - - if (!bpage->access_time) { - /* Make this the time of the first access. */ - bpage->access_time = time_ms; - } -} - -/*********************************************************************//** -Gets the buf_block_t handle of a buffered file block if an uncompressed -page frame exists, or NULL. -@return control block, or NULL */ -UNIV_INLINE -buf_block_t* -buf_page_get_block( -/*===============*/ - buf_page_t* bpage) /*!< in: control block, or NULL */ -{ - if (UNIV_LIKELY(bpage != NULL)) { - ut_ad(buf_page_in_file(bpage)); - - if (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE) { - return((buf_block_t*) bpage); - } - } - - return(NULL); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets a pointer to the memory frame of a block. -@return pointer to the frame */ -UNIV_INLINE -buf_frame_t* -buf_block_get_frame( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - ut_ad(block); - - switch (buf_block_get_state(block)) { - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - case BUF_BLOCK_NOT_USED: - ut_error; - break; - case BUF_BLOCK_FILE_PAGE: -# ifndef UNIV_HOTBACKUP - ut_a(block->page.buf_fix_count > 0); -# endif /* !UNIV_HOTBACKUP */ - /* fall through */ - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - goto ok; - } - ut_error; -ok: - return((buf_frame_t*) block->frame); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Gets the space id of a block. -@return space id */ -UNIV_INLINE -ulint -buf_page_get_space( -/*===============*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ -{ - ut_ad(bpage); - ut_a(buf_page_in_file(bpage)); - - return(bpage->space); -} - -/*********************************************************************//** -Gets the space id of a block. -@return space id */ -UNIV_INLINE -ulint -buf_block_get_space( -/*================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - ut_ad(block); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - return(block->page.space); -} - -/*********************************************************************//** -Gets the page number of a block. -@return page number */ -UNIV_INLINE -ulint -buf_page_get_page_no( -/*=================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ -{ - ut_ad(bpage); - ut_a(buf_page_in_file(bpage)); - - return(bpage->offset); -} - -/*********************************************************************//** -Gets the page number of a block. -@return page number */ -UNIV_INLINE -ulint -buf_block_get_page_no( -/*==================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - ut_ad(block); - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - - return(block->page.offset); -} - -/*********************************************************************//** -Gets the compressed page size of a block. -@return compressed page size, or 0 */ -UNIV_INLINE -ulint -buf_page_get_zip_size( -/*==================*/ - const buf_page_t* bpage) /*!< in: pointer to the control block */ -{ - return(bpage->zip.ssize ? 512 << bpage->zip.ssize : 0); -} - -/*********************************************************************//** -Gets the compressed page size of a block. -@return compressed page size, or 0 */ -UNIV_INLINE -ulint -buf_block_get_zip_size( -/*===================*/ - const buf_block_t* block) /*!< in: pointer to the control block */ -{ - return(block->page.zip.ssize ? 512 << block->page.zip.ssize : 0); -} - -#ifndef UNIV_HOTBACKUP -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/*********************************************************************//** -Gets the compressed page descriptor corresponding to an uncompressed page -if applicable. -@return compressed page descriptor, or NULL */ -UNIV_INLINE -const page_zip_des_t* -buf_frame_get_page_zip( -/*===================*/ - const byte* ptr) /*!< in: pointer to the page */ -{ - return(buf_block_get_page_zip(buf_block_align(ptr))); -} -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Gets the space id, page offset, and byte offset within page of a -pointer pointing to a buffer frame containing a file page. */ -UNIV_INLINE -void -buf_ptr_get_fsp_addr( -/*=================*/ - const void* ptr, /*!< in: pointer to a buffer frame */ - ulint* space, /*!< out: space id */ - fil_addr_t* addr) /*!< out: page offset and byte offset */ -{ - const page_t* page = (const page_t*) ut_align_down(ptr, - UNIV_PAGE_SIZE); - - *space = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - addr->page = mach_read_from_4(page + FIL_PAGE_OFFSET); - addr->boffset = ut_align_offset(ptr, UNIV_PAGE_SIZE); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Gets the hash value of the page the pointer is pointing to. This can be used -in searches in the lock hash table. -@return lock hash value */ -UNIV_INLINE -ulint -buf_block_get_lock_hash_val( -/*========================*/ - const buf_block_t* block) /*!< in: block */ -{ - ut_ad(block); - ut_ad(buf_page_in_file(&block->page)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_EXCLUSIVE) - || rw_lock_own(&(((buf_block_t*) block)->lock), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - return(block->lock_hash_val); -} - -/********************************************************************//** -Allocates a buffer block. -@return own: the allocated block, in state BUF_BLOCK_MEMORY */ -UNIV_INLINE -buf_block_t* -buf_block_alloc( -/*============*/ - ulint zip_size) /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ -{ - buf_block_t* block; - - block = buf_LRU_get_free_block(zip_size); - - buf_block_set_state(block, BUF_BLOCK_MEMORY); - - return(block); -} - -/********************************************************************//** -Frees a buffer block which does not contain a file page. */ -UNIV_INLINE -void -buf_block_free( -/*===========*/ - buf_block_t* block) /*!< in, own: block to be freed */ -{ - buf_pool_mutex_enter(); - - mutex_enter(&block->mutex); - - ut_a(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE); - - buf_LRU_block_free_non_file_page(block); - - mutex_exit(&block->mutex); - - buf_pool_mutex_exit(); -} -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Copies contents of a buffer frame to a given buffer. -@return buf */ -UNIV_INLINE -byte* -buf_frame_copy( -/*===========*/ - byte* buf, /*!< in: buffer to copy to */ - const buf_frame_t* frame) /*!< in: buffer frame */ -{ - ut_ad(buf && frame); - - ut_memcpy(buf, frame, UNIV_PAGE_SIZE); - - return(buf); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Calculates a folded value of a file page address to use in the page hash -table. -@return the folded value */ -UNIV_INLINE -ulint -buf_page_address_fold( -/*==================*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ -{ - return((space << 20) + space + offset); -} - -/********************************************************************//** -Gets the youngest modification log sequence number for a frame. -Returns zero if not file page or no modification occurred yet. -@return newest modification to page */ -UNIV_INLINE -ib_uint64_t -buf_page_get_newest_modification( -/*=============================*/ - const buf_page_t* bpage) /*!< in: block containing the - page frame */ -{ - ib_uint64_t lsn; - mutex_t* block_mutex = buf_page_get_mutex(bpage); - - mutex_enter(block_mutex); - - if (buf_page_in_file(bpage)) { - lsn = bpage->newest_modification; - } else { - lsn = 0; - } - - mutex_exit(block_mutex); - - return(lsn); -} - -/********************************************************************//** -Increments the modify clock of a frame by 1. The caller must (1) own the -buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock -on the block. */ -UNIV_INLINE -void -buf_block_modify_clock_inc( -/*=======================*/ - buf_block_t* block) /*!< in: block */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad((buf_pool_mutex_own() - && (block->page.buf_fix_count == 0)) - || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE)); -#endif /* UNIV_SYNC_DEBUG */ - - block->modify_clock++; -} - -/********************************************************************//** -Returns the value of the modify clock. The caller must have an s-lock -or x-lock on the block. -@return value */ -UNIV_INLINE -ib_uint64_t -buf_block_get_modify_clock( -/*=======================*/ - buf_block_t* block) /*!< in: block */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_SHARED) - || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE)); -#endif /* UNIV_SYNC_DEBUG */ - - return(block->modify_clock); -} - -/*******************************************************************//** -Increments the bufferfix count. */ -UNIV_INLINE -void -buf_block_buf_fix_inc_func( -/*=======================*/ -#ifdef UNIV_SYNC_DEBUG - const char* file, /*!< in: file name */ - ulint line, /*!< in: line */ -#endif /* UNIV_SYNC_DEBUG */ - buf_block_t* block) /*!< in/out: block to bufferfix */ -{ -#ifdef UNIV_SYNC_DEBUG - ibool ret; - - ret = rw_lock_s_lock_nowait(&(block->debug_latch), file, line); - ut_a(ret); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(mutex_own(&block->mutex)); - - block->page.buf_fix_count++; -} -#ifdef UNIV_SYNC_DEBUG -/** Increments the bufferfix count. -@param b in/out: block to bufferfix -@param f in: file name where requested -@param l in: line number where requested */ -# define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(f,l,b) -#else /* UNIV_SYNC_DEBUG */ -/** Increments the bufferfix count. -@param b in/out: block to bufferfix -@param f in: file name where requested -@param l in: line number where requested */ -# define buf_block_buf_fix_inc(b,f,l) buf_block_buf_fix_inc_func(b) -#endif /* UNIV_SYNC_DEBUG */ - -/*******************************************************************//** -Decrements the bufferfix count. */ -UNIV_INLINE -void -buf_block_buf_fix_dec( -/*==================*/ - buf_block_t* block) /*!< in/out: block to bufferunfix */ -{ - ut_ad(mutex_own(&block->mutex)); - - block->page.buf_fix_count--; -#ifdef UNIV_SYNC_DEBUG - rw_lock_s_unlock(&block->debug_latch); -#endif -} - -/******************************************************************//** -Returns the control block of a file page, NULL if not found. -@return block, NULL if not found */ -UNIV_INLINE -buf_page_t* -buf_page_hash_get_low( -/*==================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space */ - ulint fold) /*!< in: buf_page_address_fold(space, offset) */ -{ - buf_page_t* bpage; - - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - ut_ad(fold == buf_page_address_fold(space, offset)); - - /* Look for the page in the hash table */ - - HASH_SEARCH(hash, buf_pool->page_hash, fold, buf_page_t*, bpage, - ut_ad(bpage->in_page_hash && !bpage->in_zip_hash - && buf_page_in_file(bpage)), - bpage->space == space && bpage->offset == offset); - if (bpage) { - ut_a(buf_page_in_file(bpage)); - ut_ad(bpage->in_page_hash); - ut_ad(!bpage->in_zip_hash); - UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); - } - - return(bpage); -} - -/******************************************************************//** -Returns the control block of a file page, NULL if not found. -@return block, NULL if not found or not a real control block */ -UNIV_INLINE -buf_page_t* -buf_page_hash_get( -/*==============*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ -{ - ulint fold = buf_page_address_fold(space, offset); - buf_page_t* bpage = buf_page_hash_get_low(space, offset, fold); - - if (bpage && UNIV_UNLIKELY(buf_pool_watch_is(bpage))) { - bpage = NULL; - } - - return(bpage); -} - -/******************************************************************//** -Returns the control block of a file page, NULL if not found -or an uncompressed page frame does not exist. -@return block, NULL if not found */ -UNIV_INLINE -buf_block_t* -buf_block_hash_get( -/*===============*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ -{ - buf_block_t* block; - - block = buf_page_get_block(buf_page_hash_get(space, offset)); - - return(block); -} - -/********************************************************************//** -Returns TRUE if the page can be found in the buffer pool hash table. - -NOTE that it is possible that the page is not yet read from disk, -though. - -@return TRUE if found in the page hash table */ -UNIV_INLINE -ibool -buf_page_peek( -/*==========*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: page number */ -{ - const buf_page_t* bpage; - - buf_pool_mutex_enter(); - - bpage = buf_page_hash_get(space, offset); - - buf_pool_mutex_exit(); - - return(bpage != NULL); -} - -/********************************************************************//** -Releases a compressed-only page acquired with buf_page_get_zip(). */ -UNIV_INLINE -void -buf_page_release_zip( -/*=================*/ - buf_page_t* bpage) /*!< in: buffer block */ -{ - buf_block_t* block; - - ut_ad(bpage); - ut_a(bpage->buf_fix_count > 0); - - switch (buf_page_get_state(bpage)) { - case BUF_BLOCK_ZIP_PAGE: - case BUF_BLOCK_ZIP_DIRTY: - mutex_enter(&buf_pool_zip_mutex); - bpage->buf_fix_count--; - mutex_exit(&buf_pool_zip_mutex); - return; - case BUF_BLOCK_FILE_PAGE: - block = (buf_block_t*) bpage; - mutex_enter(&block->mutex); -#ifdef UNIV_SYNC_DEBUG - rw_lock_s_unlock(&block->debug_latch); -#endif - bpage->buf_fix_count--; - mutex_exit(&block->mutex); - return; - case BUF_BLOCK_ZIP_FREE: - case BUF_BLOCK_NOT_USED: - case BUF_BLOCK_READY_FOR_USE: - case BUF_BLOCK_MEMORY: - case BUF_BLOCK_REMOVE_HASH: - break; - } - - ut_error; -} - -/********************************************************************//** -Decrements the bufferfix count of a buffer control block and releases -a latch, if specified. */ -UNIV_INLINE -void -buf_page_release( -/*=============*/ - buf_block_t* block, /*!< in: buffer block */ - ulint rw_latch) /*!< in: RW_S_LATCH, RW_X_LATCH, - RW_NO_LATCH */ -{ - ut_ad(block); - - ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_a(block->page.buf_fix_count > 0); - - mutex_enter(&block->mutex); - -#ifdef UNIV_SYNC_DEBUG - rw_lock_s_unlock(&(block->debug_latch)); -#endif - block->page.buf_fix_count--; - - mutex_exit(&block->mutex); - - if (rw_latch == RW_S_LATCH) { - rw_lock_s_unlock(&(block->lock)); - } else if (rw_latch == RW_X_LATCH) { - rw_lock_x_unlock(&(block->lock)); - } -} - -#ifdef UNIV_SYNC_DEBUG -/*********************************************************************//** -Adds latch level info for the rw-lock protecting the buffer frame. This -should be called in the debug version after a successful latching of a -page if we know the latching order level of the acquired latch. */ -UNIV_INLINE -void -buf_block_dbg_add_level( -/*====================*/ - buf_block_t* block, /*!< in: buffer page - where we have acquired latch */ - ulint level) /*!< in: latching order level */ -{ - sync_thread_add_level(&block->lock, level); -} -#endif /* UNIV_SYNC_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/buf0flu.h b/perfschema/include/buf0flu.h deleted file mode 100644 index 74a202cb60a..00000000000 --- a/perfschema/include/buf0flu.h +++ /dev/null @@ -1,217 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0flu.h -The database buffer pool flush algorithm - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef buf0flu_h -#define buf0flu_h - -#include "univ.i" -#include "ut0byte.h" -#ifndef UNIV_HOTBACKUP -#include "mtr0types.h" -#include "buf0types.h" - -/********************************************************************//** -Remove a block from the flush list of modified blocks. */ -UNIV_INTERN -void -buf_flush_remove( -/*=============*/ - buf_page_t* bpage); /*!< in: pointer to the block in question */ -/*******************************************************************//** -Relocates a buffer control block on the flush_list. -Note that it is assumed that the contents of bpage has already been -copied to dpage. */ -UNIV_INTERN -void -buf_flush_relocate_on_flush_list( -/*=============================*/ - buf_page_t* bpage, /*!< in/out: control block being moved */ - buf_page_t* dpage); /*!< in/out: destination block */ -/********************************************************************//** -Updates the flush system data structures when a write is completed. */ -UNIV_INTERN -void -buf_flush_write_complete( -/*=====================*/ - buf_page_t* bpage); /*!< in: pointer to the block in question */ -/*********************************************************************//** -Flushes pages from the end of the LRU list if there is too small -a margin of replaceable pages there. */ -UNIV_INTERN -void -buf_flush_free_margin(void); -/*=======================*/ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Initializes a page for writing to the tablespace. */ -UNIV_INTERN -void -buf_flush_init_for_writing( -/*=======================*/ - byte* page, /*!< in/out: page */ - void* page_zip_, /*!< in/out: compressed page, or NULL */ - ib_uint64_t newest_lsn); /*!< in: newest modification lsn - to the page */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -This utility flushes dirty blocks from the end of the LRU list or flush_list. -NOTE 1: in the case of an LRU flush the calling thread may own latches to -pages: to avoid deadlocks, this function must be written so that it cannot -end up waiting for these latches! NOTE 2: in the case of a flush list flush, -the calling thread is not allowed to own any latches on pages! -@return number of blocks for which the write request was queued; -ULINT_UNDEFINED if there was a flush of the same type already running */ -UNIV_INTERN -ulint -buf_flush_batch( -/*============*/ - enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or - BUF_FLUSH_LIST; if BUF_FLUSH_LIST, - then the caller must not own any - latches on pages */ - ulint min_n, /*!< in: wished minimum mumber of blocks - flushed (it is not guaranteed that the - actual number is that big, though) */ - ib_uint64_t lsn_limit); /*!< in the case BUF_FLUSH_LIST all - blocks whose oldest_modification is - smaller than this should be flushed - (if their number does not exceed - min_n), otherwise ignored */ -/******************************************************************//** -Waits until a flush batch of the given type ends */ -UNIV_INTERN -void -buf_flush_wait_batch_end( -/*=====================*/ - enum buf_flush type); /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ -/********************************************************************//** -This function should be called at a mini-transaction commit, if a page was -modified in it. Puts the block to the list of modified blocks, if it not -already in it. */ -UNIV_INLINE -void -buf_flush_note_modification( -/*========================*/ - buf_block_t* block, /*!< in: block which is modified */ - mtr_t* mtr); /*!< in: mtr */ -/********************************************************************//** -This function should be called when recovery has modified a buffer page. */ -UNIV_INLINE -void -buf_flush_recv_note_modification( -/*=============================*/ - buf_block_t* block, /*!< in: block which is modified */ - ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a - set of mtr's */ - ib_uint64_t end_lsn); /*!< in: end lsn of the last mtr in the - set of mtr's */ -/********************************************************************//** -Returns TRUE if the file page block is immediately suitable for replacement, -i.e., transition FILE_PAGE => NOT_USED allowed. -@return TRUE if can replace immediately */ -UNIV_INTERN -ibool -buf_flush_ready_for_replace( -/*========================*/ - buf_page_t* bpage); /*!< in: buffer control block, must be - buf_page_in_file(bpage) and in the LRU list */ - -/** @brief Statistics for selecting flush rate based on redo log -generation speed. - -These statistics are generated for heuristics used in estimating the -rate at which we should flush the dirty blocks to avoid bursty IO -activity. Note that the rate of flushing not only depends on how many -dirty pages we have in the buffer pool but it is also a fucntion of -how much redo the workload is generating and at what rate. */ - -struct buf_flush_stat_struct -{ - ib_uint64_t redo; /**< amount of redo generated. */ - ulint n_flushed; /**< number of pages flushed. */ -}; - -/** Statistics for selecting flush rate of dirty pages. */ -typedef struct buf_flush_stat_struct buf_flush_stat_t; -/********************************************************************* -Update the historical stats that we are collecting for flush rate -heuristics at the end of each interval. */ -UNIV_INTERN -void -buf_flush_stat_update(void); -/*=======================*/ -/********************************************************************* -Determines the fraction of dirty pages that need to be flushed based -on the speed at which we generate redo log. Note that if redo log -is generated at significant rate without a corresponding increase -in the number of dirty pages (for example, an in-memory workload) -it can cause IO bursts of flushing. This function implements heuristics -to avoid this burstiness. -@return number of dirty pages to be flushed / second */ -UNIV_INTERN -ulint -buf_flush_get_desired_flush_rate(void); -/*==================================*/ - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/******************************************************************//** -Validates the flush list. -@return TRUE if ok */ -UNIV_INTERN -ibool -buf_flush_validate(void); -/*====================*/ -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - -/********************************************************************//** -Initialize the red-black tree to speed up insertions into the flush_list -during recovery process. Should be called at the start of recovery -process before any page has been read/written. */ -UNIV_INTERN -void -buf_flush_init_flush_rbt(void); -/*==========================*/ - -/********************************************************************//** -Frees up the red-black tree. */ -UNIV_INTERN -void -buf_flush_free_flush_rbt(void); -/*==========================*/ - -/** When buf_flush_free_margin is called, it tries to make this many blocks -available to replacement in the free list and at the end of the LRU list (to -make sure that a read-ahead batch can be read efficiently in a single -sweep). */ -#define BUF_FLUSH_FREE_BLOCK_MARGIN (5 + BUF_READ_AHEAD_AREA) -/** Extra margin to apply above BUF_FLUSH_FREE_BLOCK_MARGIN */ -#define BUF_FLUSH_EXTRA_MARGIN (BUF_FLUSH_FREE_BLOCK_MARGIN / 4 + 100) -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "buf0flu.ic" -#endif - -#endif diff --git a/perfschema/include/buf0flu.ic b/perfschema/include/buf0flu.ic deleted file mode 100644 index 5005bcce513..00000000000 --- a/perfschema/include/buf0flu.ic +++ /dev/null @@ -1,126 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0flu.ic -The database buffer pool flush algorithm - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_HOTBACKUP -#include "buf0buf.h" -#include "mtr0mtr.h" - -/********************************************************************//** -Inserts a modified block into the flush list. */ -UNIV_INTERN -void -buf_flush_insert_into_flush_list( -/*=============================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn); /*!< in: oldest modification */ -/********************************************************************//** -Inserts a modified block into the flush list in the right sorted position. -This function is used by recovery, because there the modifications do not -necessarily come in the order of lsn's. */ -UNIV_INTERN -void -buf_flush_insert_sorted_into_flush_list( -/*====================================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn); /*!< in: oldest modification */ - -/********************************************************************//** -This function should be called at a mini-transaction commit, if a page was -modified in it. Puts the block to the list of modified blocks, if it is not -already in it. */ -UNIV_INLINE -void -buf_flush_note_modification( -/*========================*/ - buf_block_t* block, /*!< in: block which is modified */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(block); - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->page.buf_fix_count > 0); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); - - ut_ad(mtr->start_lsn != 0); - ut_ad(mtr->modifications); - - mutex_enter(&block->mutex); - ut_ad(block->page.newest_modification <= mtr->end_lsn); - - block->page.newest_modification = mtr->end_lsn; - - if (!block->page.oldest_modification) { - buf_flush_insert_into_flush_list(block, mtr->start_lsn); - } else { - ut_ad(block->page.oldest_modification <= mtr->start_lsn); - } - - mutex_exit(&block->mutex); - - ++srv_buf_pool_write_requests; -} - -/********************************************************************//** -This function should be called when recovery has modified a buffer page. */ -UNIV_INLINE -void -buf_flush_recv_note_modification( -/*=============================*/ - buf_block_t* block, /*!< in: block which is modified */ - ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a - set of mtr's */ - ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the - set of mtr's */ -{ - ut_ad(block); - ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - ut_ad(block->page.buf_fix_count > 0); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); - - ut_ad(start_lsn != 0); - ut_ad(block->page.newest_modification <= end_lsn); - - mutex_enter(&block->mutex); - block->page.newest_modification = end_lsn; - - if (!block->page.oldest_modification) { - buf_flush_insert_sorted_into_flush_list(block, start_lsn); - } else { - ut_ad(block->page.oldest_modification <= start_lsn); - } - - mutex_exit(&block->mutex); - -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/buf0lru.h b/perfschema/include/buf0lru.h deleted file mode 100644 index 009430af35b..00000000000 --- a/perfschema/include/buf0lru.h +++ /dev/null @@ -1,295 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0lru.h -The database buffer pool LRU replacement algorithm - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef buf0lru_h -#define buf0lru_h - -#include "univ.i" -#include "ut0byte.h" -#include "buf0types.h" - -/** The return type of buf_LRU_free_block() */ -enum buf_lru_free_block_status { - /** freed */ - BUF_LRU_FREED = 0, - /** not freed because the caller asked to remove the - uncompressed frame but the control block cannot be - relocated */ - BUF_LRU_CANNOT_RELOCATE, - /** not freed because of some other reason */ - BUF_LRU_NOT_FREED -}; - -/******************************************************************//** -Tries to remove LRU flushed blocks from the end of the LRU list and put them -to the free list. This is beneficial for the efficiency of the insert buffer -operation, as flushed pages from non-unique non-clustered indexes are here -taken out of the buffer pool, and their inserts redirected to the insert -buffer. Otherwise, the flushed blocks could get modified again before read -operations need new buffer blocks, and the i/o work done in flushing would be -wasted. */ -UNIV_INTERN -void -buf_LRU_try_free_flushed_blocks(void); -/*==================================*/ -/******************************************************************//** -Returns TRUE if less than 25 % of the buffer pool is available. This can be -used in heuristics to prevent huge transactions eating up the whole buffer -pool for their locks. -@return TRUE if less than 25 % of buffer pool left */ -UNIV_INTERN -ibool -buf_LRU_buf_pool_running_out(void); -/*==============================*/ - -/*####################################################################### -These are low-level functions -#########################################################################*/ - -/** Minimum LRU list length for which the LRU_old pointer is defined */ -#define BUF_LRU_OLD_MIN_LEN 512 /* 8 megabytes of 16k pages */ - -/** Maximum LRU list search length in buf_flush_LRU_recommendation() */ -#define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) - -/******************************************************************//** -Invalidates all pages belonging to a given tablespace when we are deleting -the data file(s) of that tablespace. A PROBLEM: if readahead is being started, -what guarantees that it will not try to read in pages after this operation has -completed? */ -UNIV_INTERN -void -buf_LRU_invalidate_tablespace( -/*==========================*/ - ulint id); /*!< in: space id */ -/********************************************************************//** -Insert a compressed block into buf_pool->zip_clean in the LRU order. */ -UNIV_INTERN -void -buf_LRU_insert_zip_clean( -/*=====================*/ - buf_page_t* bpage); /*!< in: pointer to the block in question */ - -/******************************************************************//** -Try to free a block. If bpage is a descriptor of a compressed-only -page, the descriptor object will be freed as well. - -NOTE: If this function returns BUF_LRU_FREED, it will not temporarily -release buf_pool_mutex. Furthermore, the page frame will no longer be -accessible via bpage. - -The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and -release these two mutexes after the call. No other -buf_page_get_mutex() may be held when calling this function. -@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or -BUF_LRU_NOT_FREED otherwise. */ -UNIV_INTERN -enum buf_lru_free_block_status -buf_LRU_free_block( -/*===============*/ - buf_page_t* bpage, /*!< in: block to be freed */ - ibool zip, /*!< in: TRUE if should remove also the - compressed page of an uncompressed page */ - ibool* buf_pool_mutex_released); - /*!< in: pointer to a variable that will - be assigned TRUE if buf_pool_mutex - was temporarily released, or NULL */ -/******************************************************************//** -Try to free a replaceable block. -@return TRUE if found and freed */ -UNIV_INTERN -ibool -buf_LRU_search_and_free_block( -/*==========================*/ - ulint n_iterations); /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; if - n_iterations < 10, then we search - n_iterations / 10 * buf_pool->curr_size - pages from the end of the LRU list; if - n_iterations < 5, then we will also search - n_iterations / 5 of the unzip_LRU list. */ -/******************************************************************//** -Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, returns NULL. -@return a free control block, or NULL if the buf_block->free list is empty */ -UNIV_INTERN -buf_block_t* -buf_LRU_get_free_only(void); -/*=======================*/ -/******************************************************************//** -Returns a free block from the buf_pool. The block is taken off the -free list. If it is empty, blocks are moved from the end of the -LRU list to the free list. -@return the free control block, in state BUF_BLOCK_READY_FOR_USE */ -UNIV_INTERN -buf_block_t* -buf_LRU_get_free_block( -/*===================*/ - ulint zip_size); /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ - -/******************************************************************//** -Puts a block back to the free list. */ -UNIV_INTERN -void -buf_LRU_block_free_non_file_page( -/*=============================*/ - buf_block_t* block); /*!< in: block, must not contain a file page */ -/******************************************************************//** -Adds a block to the LRU list. */ -UNIV_INTERN -void -buf_LRU_add_block( -/*==============*/ - buf_page_t* bpage, /*!< in: control block */ - ibool old); /*!< in: TRUE if should be put to the old - blocks in the LRU list, else put to the - start; if the LRU list is very short, added to - the start regardless of this parameter */ -/******************************************************************//** -Adds a block to the LRU list of decompressed zip pages. */ -UNIV_INTERN -void -buf_unzip_LRU_add_block( -/*====================*/ - buf_block_t* block, /*!< in: control block */ - ibool old); /*!< in: TRUE if should be put to the end - of the list, else put to the start */ -/******************************************************************//** -Moves a block to the start of the LRU list. */ -UNIV_INTERN -void -buf_LRU_make_block_young( -/*=====================*/ - buf_page_t* bpage); /*!< in: control block */ -/******************************************************************//** -Moves a block to the end of the LRU list. */ -UNIV_INTERN -void -buf_LRU_make_block_old( -/*===================*/ - buf_page_t* bpage); /*!< in: control block */ -/**********************************************************************//** -Updates buf_LRU_old_ratio. -@return updated old_pct */ -UNIV_INTERN -uint -buf_LRU_old_ratio_update( -/*=====================*/ - uint old_pct,/*!< in: Reserve this percentage of - the buffer pool for "old" blocks. */ - ibool adjust);/*!< in: TRUE=adjust the LRU list; - FALSE=just assign buf_LRU_old_ratio - during the initialization of InnoDB */ -/********************************************************************//** -Update the historical stats that we are collecting for LRU eviction -policy at the end of each interval. */ -UNIV_INTERN -void -buf_LRU_stat_update(void); -/*=====================*/ - -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Validates the LRU list. -@return TRUE */ -UNIV_INTERN -ibool -buf_LRU_validate(void); -/*==================*/ -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Prints the LRU list. */ -UNIV_INTERN -void -buf_LRU_print(void); -/*===============*/ -#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ - -/** @name Heuristics for detecting index scan @{ */ -/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for -"old" blocks. Protected by buf_pool_mutex. */ -extern uint buf_LRU_old_ratio; -/** The denominator of buf_LRU_old_ratio. */ -#define BUF_LRU_OLD_RATIO_DIV 1024 -/** Maximum value of buf_LRU_old_ratio. -@see buf_LRU_old_adjust_len -@see buf_LRU_old_ratio_update */ -#define BUF_LRU_OLD_RATIO_MAX BUF_LRU_OLD_RATIO_DIV -/** Minimum value of buf_LRU_old_ratio. -@see buf_LRU_old_adjust_len -@see buf_LRU_old_ratio_update -The minimum must exceed -(BUF_LRU_OLD_TOLERANCE + 5) * BUF_LRU_OLD_RATIO_DIV / BUF_LRU_OLD_MIN_LEN. */ -#define BUF_LRU_OLD_RATIO_MIN 51 - -#if BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX -# error "BUF_LRU_OLD_RATIO_MIN >= BUF_LRU_OLD_RATIO_MAX" -#endif -#if BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV -# error "BUF_LRU_OLD_RATIO_MAX > BUF_LRU_OLD_RATIO_DIV" -#endif - -/** Move blocks to "new" LRU list only if the first access was at -least this many milliseconds ago. Not protected by any mutex or latch. */ -extern uint buf_LRU_old_threshold_ms; -/* @} */ - -/** @brief Statistics for selecting the LRU list for eviction. - -These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O -and page_zip_decompress() operations. Based on the statistics we decide -if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU. */ -struct buf_LRU_stat_struct -{ - ulint io; /**< Counter of buffer pool I/O operations. */ - ulint unzip; /**< Counter of page_zip_decompress operations. */ -}; - -/** Statistics for selecting the LRU list for eviction. */ -typedef struct buf_LRU_stat_struct buf_LRU_stat_t; - -/** Current operation counters. Not protected by any mutex. -Cleared by buf_LRU_stat_update(). */ -extern buf_LRU_stat_t buf_LRU_stat_cur; - -/** Running sum of past values of buf_LRU_stat_cur. -Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ -extern buf_LRU_stat_t buf_LRU_stat_sum; - -/********************************************************************//** -Increments the I/O counter in buf_LRU_stat_cur. */ -#define buf_LRU_stat_inc_io() buf_LRU_stat_cur.io++ -/********************************************************************//** -Increments the page_zip_decompress() counter in buf_LRU_stat_cur. */ -#define buf_LRU_stat_inc_unzip() buf_LRU_stat_cur.unzip++ - -#ifndef UNIV_NONINL -#include "buf0lru.ic" -#endif - -#endif diff --git a/perfschema/include/buf0lru.ic b/perfschema/include/buf0lru.ic deleted file mode 100644 index 556f45d987f..00000000000 --- a/perfschema/include/buf0lru.ic +++ /dev/null @@ -1,25 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0lru.ic -The database buffer replacement algorithm - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - diff --git a/perfschema/include/buf0rea.h b/perfschema/include/buf0rea.h deleted file mode 100644 index 093750623d6..00000000000 --- a/perfschema/include/buf0rea.h +++ /dev/null @@ -1,137 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0rea.h -The database buffer read - -Created 11/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef buf0rea_h -#define buf0rea_h - -#include "univ.i" -#include "buf0types.h" - -/********************************************************************//** -High-level function which reads a page asynchronously from a file to the -buffer buf_pool if it is not already there. Sets the io_fix flag and sets -an exclusive lock on the buffer frame. The flag is cleared and the x-lock -released by the i/o-handler thread. -@return TRUE if page has been read in, FALSE in case of failure */ -UNIV_INTERN -ibool -buf_read_page( -/*==========*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint offset);/*!< in: page number */ -/********************************************************************//** -Applies linear read-ahead if in the buf_pool the page is a border page of -a linear read-ahead area and all the pages in the area have been accessed. -Does not read any page if the read-ahead mechanism is not activated. Note -that the algorithm looks at the 'natural' adjacent successor and -predecessor of the page, which on the leaf level of a B-tree are the next -and previous page in the chain of leaves. To know these, the page specified -in (space, offset) must already be present in the buf_pool. Thus, the -natural way to use this function is to call it when a page in the buf_pool -is accessed the first time, calling this function just after it has been -bufferfixed. -NOTE 1: as this function looks at the natural predecessor and successor -fields on the page, what happens, if these are not initialized to any -sensible value? No problem, before applying read-ahead we check that the -area to read is within the span of the space, if not, read-ahead is not -applied. An uninitialized value may result in a useless read operation, but -only very improbably. -NOTE 2: the calling thread may own latches on pages: to avoid deadlocks this -function must be written such that it cannot end up waiting for these -latches! -NOTE 3: the calling thread must want access to the page given: this rule is -set to prevent unintended read-aheads performed by ibuf routines, a situation -which could result in a deadlock if the OS does not support asynchronous io. -@return number of page read requests issued */ -UNIV_INTERN -ulint -buf_read_ahead_linear( -/*==================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint offset);/*!< in: page number of a page; NOTE: the current thread - must want access to this page (see NOTE 3 above) */ -/********************************************************************//** -Issues read requests for pages which the ibuf module wants to read in, in -order to contract the insert buffer tree. Technically, this function is like -a read-ahead function. */ -UNIV_INTERN -void -buf_read_ibuf_merge_pages( -/*======================*/ - ibool sync, /*!< in: TRUE if the caller - wants this function to wait - for the highest address page - to get read in, before this - function returns */ - const ulint* space_ids, /*!< in: array of space ids */ - const ib_int64_t* space_versions,/*!< in: the spaces must have - this version number - (timestamp), otherwise we - discard the read; we use this - to cancel reads if DISCARD + - IMPORT may have changed the - tablespace size */ - const ulint* page_nos, /*!< in: array of page numbers - to read, with the highest page - number the last in the - array */ - ulint n_stored); /*!< in: number of elements - in the arrays */ -/********************************************************************//** -Issues read requests for pages which recovery wants to read in. */ -UNIV_INTERN -void -buf_read_recv_pages( -/*================*/ - ibool sync, /*!< in: TRUE if the caller - wants this function to wait - for the highest address page - to get read in, before this - function returns */ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in - bytes, or 0 */ - const ulint* page_nos, /*!< in: array of page numbers - to read, with the highest page - number the last in the - array */ - ulint n_stored); /*!< in: number of page numbers - in the array */ - -/** The size in pages of the area which the read-ahead algorithms read if -invoked */ -#define BUF_READ_AHEAD_AREA \ - ut_min(64, ut_2_power_up(buf_pool->curr_size / 32)) - -/** @name Modes used in read-ahead @{ */ -/** read only pages belonging to the insert buffer tree */ -#define BUF_READ_IBUF_PAGES_ONLY 131 -/** read any page */ -#define BUF_READ_ANY_PAGE 132 -/* @} */ - -#endif diff --git a/perfschema/include/buf0types.h b/perfschema/include/buf0types.h deleted file mode 100644 index bfae6477135..00000000000 --- a/perfschema/include/buf0types.h +++ /dev/null @@ -1,82 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/buf0types.h -The database buffer pool global types for the directory - -Created 11/17/1995 Heikki Tuuri -*******************************************************/ - -#ifndef buf0types_h -#define buf0types_h - -/** Buffer page (uncompressed or compressed) */ -typedef struct buf_page_struct buf_page_t; -/** Buffer block for which an uncompressed page exists */ -typedef struct buf_block_struct buf_block_t; -/** Buffer pool chunk comprising buf_block_t */ -typedef struct buf_chunk_struct buf_chunk_t; -/** Buffer pool comprising buf_chunk_t */ -typedef struct buf_pool_struct buf_pool_t; -/** Buffer pool statistics struct */ -typedef struct buf_pool_stat_struct buf_pool_stat_t; - -/** A buffer frame. @see page_t */ -typedef byte buf_frame_t; - -/** Flags for flush types */ -enum buf_flush { - BUF_FLUSH_LRU = 0, /*!< flush via the LRU list */ - BUF_FLUSH_SINGLE_PAGE, /*!< flush a single page */ - BUF_FLUSH_LIST, /*!< flush via the flush list - of dirty blocks */ - BUF_FLUSH_N_TYPES /*!< index of last element + 1 */ -}; - -/** Flags for io_fix types */ -enum buf_io_fix { - BUF_IO_NONE = 0, /**< no pending I/O */ - BUF_IO_READ, /**< read pending */ - BUF_IO_WRITE /**< write pending */ -}; - -/** Parameters of binary buddy system for compressed pages (buf0buddy.h) */ -/* @{ */ -#if UNIV_WORD_SIZE <= 4 /* 32-bit system */ -/** Base-2 logarithm of the smallest buddy block size */ -# define BUF_BUDDY_LOW_SHIFT 6 -#else /* 64-bit system */ -/** Base-2 logarithm of the smallest buddy block size */ -# define BUF_BUDDY_LOW_SHIFT 7 -#endif -#define BUF_BUDDY_LOW (1 << BUF_BUDDY_LOW_SHIFT) - /*!< minimum block size in the binary - buddy system; must be at least - sizeof(buf_page_t) */ -#define BUF_BUDDY_SIZES (UNIV_PAGE_SIZE_SHIFT - BUF_BUDDY_LOW_SHIFT) - /*!< number of buddy sizes */ - -/** twice the maximum block size of the buddy system; -the underlying memory is aligned by this amount: -this must be equal to UNIV_PAGE_SIZE */ -#define BUF_BUDDY_HIGH (BUF_BUDDY_LOW << BUF_BUDDY_SIZES) -/* @} */ - -#endif - diff --git a/perfschema/include/data0data.h b/perfschema/include/data0data.h deleted file mode 100644 index f9fce3f3657..00000000000 --- a/perfschema/include/data0data.h +++ /dev/null @@ -1,483 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/data0data.h -SQL data field and tuple - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#ifndef data0data_h -#define data0data_h - -#include "univ.i" - -#include "data0types.h" -#include "data0type.h" -#include "mem0mem.h" -#include "dict0types.h" - -/** Storage for overflow data in a big record, that is, a clustered -index record which needs external storage of data fields */ -typedef struct big_rec_struct big_rec_t; - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets pointer to the type struct of SQL data field. -@return pointer to the type struct */ -UNIV_INLINE -dtype_t* -dfield_get_type( -/*============*/ - const dfield_t* field); /*!< in: SQL data field */ -/*********************************************************************//** -Gets pointer to the data in a field. -@return pointer to data */ -UNIV_INLINE -void* -dfield_get_data( -/*============*/ - const dfield_t* field); /*!< in: field */ -#else /* UNIV_DEBUG */ -# define dfield_get_type(field) (&(field)->type) -# define dfield_get_data(field) ((field)->data) -#endif /* UNIV_DEBUG */ -/*********************************************************************//** -Sets the type struct of SQL data field. */ -UNIV_INLINE -void -dfield_set_type( -/*============*/ - dfield_t* field, /*!< in: SQL data field */ - dtype_t* type); /*!< in: pointer to data type struct */ -/*********************************************************************//** -Gets length of field data. -@return length of data; UNIV_SQL_NULL if SQL null data */ -UNIV_INLINE -ulint -dfield_get_len( -/*===========*/ - const dfield_t* field); /*!< in: field */ -/*********************************************************************//** -Sets length in a field. */ -UNIV_INLINE -void -dfield_set_len( -/*===========*/ - dfield_t* field, /*!< in: field */ - ulint len); /*!< in: length or UNIV_SQL_NULL */ -/*********************************************************************//** -Determines if a field is SQL NULL -@return nonzero if SQL null data */ -UNIV_INLINE -ulint -dfield_is_null( -/*===========*/ - const dfield_t* field); /*!< in: field */ -/*********************************************************************//** -Determines if a field is externally stored -@return nonzero if externally stored */ -UNIV_INLINE -ulint -dfield_is_ext( -/*==========*/ - const dfield_t* field); /*!< in: field */ -/*********************************************************************//** -Sets the "external storage" flag */ -UNIV_INLINE -void -dfield_set_ext( -/*===========*/ - dfield_t* field); /*!< in/out: field */ -/*********************************************************************//** -Sets pointer to the data and length in a field. */ -UNIV_INLINE -void -dfield_set_data( -/*============*/ - dfield_t* field, /*!< in: field */ - const void* data, /*!< in: data */ - ulint len); /*!< in: length or UNIV_SQL_NULL */ -/*********************************************************************//** -Sets a data field to SQL NULL. */ -UNIV_INLINE -void -dfield_set_null( -/*============*/ - dfield_t* field); /*!< in/out: field */ -/**********************************************************************//** -Writes an SQL null field full of zeros. */ -UNIV_INLINE -void -data_write_sql_null( -/*================*/ - byte* data, /*!< in: pointer to a buffer of size len */ - ulint len); /*!< in: SQL null size in bytes */ -/*********************************************************************//** -Copies the data and len fields. */ -UNIV_INLINE -void -dfield_copy_data( -/*=============*/ - dfield_t* field1, /*!< out: field to copy to */ - const dfield_t* field2);/*!< in: field to copy from */ -/*********************************************************************//** -Copies a data field to another. */ -UNIV_INLINE -void -dfield_copy( -/*========*/ - dfield_t* field1, /*!< out: field to copy to */ - const dfield_t* field2);/*!< in: field to copy from */ -/*********************************************************************//** -Copies the data pointed to by a data field. */ -UNIV_INLINE -void -dfield_dup( -/*=======*/ - dfield_t* field, /*!< in/out: data field */ - mem_heap_t* heap); /*!< in: memory heap where allocated */ -/*********************************************************************//** -Tests if data length and content is equal for two dfields. -@return TRUE if equal */ -UNIV_INLINE -ibool -dfield_datas_are_binary_equal( -/*==========================*/ - const dfield_t* field1, /*!< in: field */ - const dfield_t* field2);/*!< in: field */ -/*********************************************************************//** -Tests if dfield data length and content is equal to the given. -@return TRUE if equal */ -UNIV_INTERN -ibool -dfield_data_is_binary_equal( -/*========================*/ - const dfield_t* field, /*!< in: field */ - ulint len, /*!< in: data length or UNIV_SQL_NULL */ - const byte* data); /*!< in: data */ -/*********************************************************************//** -Gets number of fields in a data tuple. -@return number of fields */ -UNIV_INLINE -ulint -dtuple_get_n_fields( -/*================*/ - const dtuple_t* tuple); /*!< in: tuple */ -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets nth field of a tuple. -@return nth field */ -UNIV_INLINE -dfield_t* -dtuple_get_nth_field( -/*=================*/ - const dtuple_t* tuple, /*!< in: tuple */ - ulint n); /*!< in: index of field */ -#else /* UNIV_DEBUG */ -# define dtuple_get_nth_field(tuple, n) ((tuple)->fields + (n)) -#endif /* UNIV_DEBUG */ -/*********************************************************************//** -Gets info bits in a data tuple. -@return info bits */ -UNIV_INLINE -ulint -dtuple_get_info_bits( -/*=================*/ - const dtuple_t* tuple); /*!< in: tuple */ -/*********************************************************************//** -Sets info bits in a data tuple. */ -UNIV_INLINE -void -dtuple_set_info_bits( -/*=================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint info_bits); /*!< in: info bits */ -/*********************************************************************//** -Gets number of fields used in record comparisons. -@return number of fields used in comparisons in rem0cmp.* */ -UNIV_INLINE -ulint -dtuple_get_n_fields_cmp( -/*====================*/ - const dtuple_t* tuple); /*!< in: tuple */ -/*********************************************************************//** -Gets number of fields used in record comparisons. */ -UNIV_INLINE -void -dtuple_set_n_fields_cmp( -/*====================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint n_fields_cmp); /*!< in: number of fields used in - comparisons in rem0cmp.* */ -/**********************************************************//** -Creates a data tuple to a memory heap. The default value for number -of fields used in record comparisons for this tuple is n_fields. -@return own: created tuple */ -UNIV_INLINE -dtuple_t* -dtuple_create( -/*==========*/ - mem_heap_t* heap, /*!< in: memory heap where the tuple - is created */ - ulint n_fields); /*!< in: number of fields */ - -/**********************************************************//** -Wrap data fields in a tuple. The default value for number -of fields used in record comparisons for this tuple is n_fields. -@return data tuple */ -UNIV_INLINE -const dtuple_t* -dtuple_from_fields( -/*===============*/ - dtuple_t* tuple, /*!< in: storage for data tuple */ - const dfield_t* fields, /*!< in: fields */ - ulint n_fields); /*!< in: number of fields */ - -/*********************************************************************//** -Sets number of fields used in a tuple. Normally this is set in -dtuple_create, but if you want later to set it smaller, you can use this. */ -UNIV_INTERN -void -dtuple_set_n_fields( -/*================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint n_fields); /*!< in: number of fields */ -/*********************************************************************//** -Copies a data tuple to another. This is a shallow copy; if a deep copy -is desired, dfield_dup() will have to be invoked on each field. -@return own: copy of tuple */ -UNIV_INLINE -dtuple_t* -dtuple_copy( -/*========*/ - const dtuple_t* tuple, /*!< in: tuple to copy from */ - mem_heap_t* heap); /*!< in: memory heap - where the tuple is created */ -/**********************************************************//** -The following function returns the sum of data lengths of a tuple. The space -occupied by the field structs or the tuple struct is not counted. -@return sum of data lens */ -UNIV_INLINE -ulint -dtuple_get_data_size( -/*=================*/ - const dtuple_t* tuple, /*!< in: typed data tuple */ - ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -/*********************************************************************//** -Computes the number of externally stored fields in a data tuple. -@return number of fields */ -UNIV_INLINE -ulint -dtuple_get_n_ext( -/*=============*/ - const dtuple_t* tuple); /*!< in: tuple */ -/************************************************************//** -Compare two data tuples, respecting the collation of character fields. -@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, -than tuple2 */ -UNIV_INTERN -int -dtuple_coll_cmp( -/*============*/ - const dtuple_t* tuple1, /*!< in: tuple 1 */ - const dtuple_t* tuple2);/*!< in: tuple 2 */ -/************************************************************//** -Folds a prefix given as the number of fields of a tuple. -@return the folded value */ -UNIV_INLINE -ulint -dtuple_fold( -/*========*/ - const dtuple_t* tuple, /*!< in: the tuple */ - ulint n_fields,/*!< in: number of complete fields to fold */ - ulint n_bytes,/*!< in: number of bytes to fold in an - incomplete last field */ - dulint tree_id)/*!< in: index tree id */ - __attribute__((pure)); -/*******************************************************************//** -Sets types of fields binary in a tuple. */ -UNIV_INLINE -void -dtuple_set_types_binary( -/*====================*/ - dtuple_t* tuple, /*!< in: data tuple */ - ulint n); /*!< in: number of fields to set */ -/**********************************************************************//** -Checks if a dtuple contains an SQL null value. -@return TRUE if some field is SQL null */ -UNIV_INLINE -ibool -dtuple_contains_null( -/*=================*/ - const dtuple_t* tuple); /*!< in: dtuple */ -/**********************************************************//** -Checks that a data field is typed. Asserts an error if not. -@return TRUE if ok */ -UNIV_INTERN -ibool -dfield_check_typed( -/*===============*/ - const dfield_t* field); /*!< in: data field */ -/**********************************************************//** -Checks that a data tuple is typed. Asserts an error if not. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_check_typed( -/*===============*/ - const dtuple_t* tuple); /*!< in: tuple */ -/**********************************************************//** -Checks that a data tuple is typed. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_check_typed_no_assert( -/*=========================*/ - const dtuple_t* tuple); /*!< in: tuple */ -#ifdef UNIV_DEBUG -/**********************************************************//** -Validates the consistency of a tuple which must be complete, i.e, -all fields must have been set. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtuple_validate( -/*============*/ - const dtuple_t* tuple); /*!< in: tuple */ -#endif /* UNIV_DEBUG */ -/*************************************************************//** -Pretty prints a dfield value according to its data type. */ -UNIV_INTERN -void -dfield_print( -/*=========*/ - const dfield_t* dfield);/*!< in: dfield */ -/*************************************************************//** -Pretty prints a dfield value according to its data type. Also the hex string -is printed if a string contains non-printable characters. */ -UNIV_INTERN -void -dfield_print_also_hex( -/*==================*/ - const dfield_t* dfield); /*!< in: dfield */ -/**********************************************************//** -The following function prints the contents of a tuple. */ -UNIV_INTERN -void -dtuple_print( -/*=========*/ - FILE* f, /*!< in: output stream */ - const dtuple_t* tuple); /*!< in: tuple */ -/**************************************************************//** -Moves parts of long fields in entry to the big record vector so that -the size of tuple drops below the maximum record size allowed in the -database. Moves data only from those fields which are not necessary -to determine uniquely the insertion place of the tuple in the index. -@return own: created big record vector, NULL if we are not able to -shorten the entry enough, i.e., if there are too many fixed-length or -short fields in entry or the index is clustered */ -UNIV_INTERN -big_rec_t* -dtuple_convert_big_rec( -/*===================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in/out: index entry */ - ulint* n_ext); /*!< in/out: number of - externally stored columns */ -/**************************************************************//** -Puts back to entry the data stored in vector. Note that to ensure the -fields in entry can accommodate the data, vector must have been created -from entry with dtuple_convert_big_rec. */ -UNIV_INTERN -void -dtuple_convert_back_big_rec( -/*========================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: entry whose data was put to vector */ - big_rec_t* vector);/*!< in, own: big rec vector; it is - freed in this function */ -/**************************************************************//** -Frees the memory in a big rec vector. */ -UNIV_INLINE -void -dtuple_big_rec_free( -/*================*/ - big_rec_t* vector); /*!< in, own: big rec vector; it is - freed in this function */ - -/*######################################################################*/ - -/** Structure for an SQL data field */ -struct dfield_struct{ - void* data; /*!< pointer to data */ - unsigned ext:1; /*!< TRUE=externally stored, FALSE=local */ - unsigned len:32; /*!< data length; UNIV_SQL_NULL if SQL null */ - dtype_t type; /*!< type of data */ -}; - -/** Structure for an SQL data tuple of fields (logical record) */ -struct dtuple_struct { - ulint info_bits; /*!< info bits of an index record: - the default is 0; this field is used - if an index record is built from - a data tuple */ - ulint n_fields; /*!< number of fields in dtuple */ - ulint n_fields_cmp; /*!< number of fields which should - be used in comparison services - of rem0cmp.*; the index search - is performed by comparing only these - fields, others are ignored; the - default value in dtuple creation is - the same value as n_fields */ - dfield_t* fields; /*!< fields */ - UT_LIST_NODE_T(dtuple_t) tuple_list; - /*!< data tuples can be linked into a - list using this field */ -#ifdef UNIV_DEBUG - ulint magic_n; /*!< magic number, used in - debug assertions */ -/** Value of dtuple_struct::magic_n */ -# define DATA_TUPLE_MAGIC_N 65478679 -#endif /* UNIV_DEBUG */ -}; - -/** A slot for a field in a big rec vector */ -typedef struct big_rec_field_struct big_rec_field_t; -/** A slot for a field in a big rec vector */ -struct big_rec_field_struct { - ulint field_no; /*!< field number in record */ - ulint len; /*!< stored data length, in bytes */ - const void* data; /*!< stored data */ -}; - -/** Storage format for overflow data in a big record, that is, a -clustered index record which needs external storage of data fields */ -struct big_rec_struct { - mem_heap_t* heap; /*!< memory heap from which - allocated */ - ulint n_fields; /*!< number of stored fields */ - big_rec_field_t*fields; /*!< stored fields */ -}; - -#ifndef UNIV_NONINL -#include "data0data.ic" -#endif - -#endif diff --git a/perfschema/include/data0data.ic b/perfschema/include/data0data.ic deleted file mode 100644 index da79aa33702..00000000000 --- a/perfschema/include/data0data.ic +++ /dev/null @@ -1,612 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/data0data.ic -SQL data field and tuple - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#include "mem0mem.h" -#include "ut0rnd.h" - -#ifdef UNIV_DEBUG -/** Dummy variable to catch access to uninitialized fields. In the -debug version, dtuple_create() will make all fields of dtuple_t point -to data_error. */ -extern byte data_error; - -/*********************************************************************//** -Gets pointer to the type struct of SQL data field. -@return pointer to the type struct */ -UNIV_INLINE -dtype_t* -dfield_get_type( -/*============*/ - const dfield_t* field) /*!< in: SQL data field */ -{ - ut_ad(field); - - return((dtype_t*) &(field->type)); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Sets the type struct of SQL data field. */ -UNIV_INLINE -void -dfield_set_type( -/*============*/ - dfield_t* field, /*!< in: SQL data field */ - dtype_t* type) /*!< in: pointer to data type struct */ -{ - ut_ad(field && type); - - field->type = *type; -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets pointer to the data in a field. -@return pointer to data */ -UNIV_INLINE -void* -dfield_get_data( -/*============*/ - const dfield_t* field) /*!< in: field */ -{ - ut_ad(field); - ut_ad((field->len == UNIV_SQL_NULL) - || (field->data != &data_error)); - - return((void*) field->data); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Gets length of field data. -@return length of data; UNIV_SQL_NULL if SQL null data */ -UNIV_INLINE -ulint -dfield_get_len( -/*===========*/ - const dfield_t* field) /*!< in: field */ -{ - ut_ad(field); - ut_ad((field->len == UNIV_SQL_NULL) - || (field->data != &data_error)); - - return(field->len); -} - -/*********************************************************************//** -Sets length in a field. */ -UNIV_INLINE -void -dfield_set_len( -/*===========*/ - dfield_t* field, /*!< in: field */ - ulint len) /*!< in: length or UNIV_SQL_NULL */ -{ - ut_ad(field); -#ifdef UNIV_VALGRIND_DEBUG - if (len != UNIV_SQL_NULL) UNIV_MEM_ASSERT_RW(field->data, len); -#endif /* UNIV_VALGRIND_DEBUG */ - - field->ext = 0; - field->len = len; -} - -/*********************************************************************//** -Determines if a field is SQL NULL -@return nonzero if SQL null data */ -UNIV_INLINE -ulint -dfield_is_null( -/*===========*/ - const dfield_t* field) /*!< in: field */ -{ - ut_ad(field); - - return(field->len == UNIV_SQL_NULL); -} - -/*********************************************************************//** -Determines if a field is externally stored -@return nonzero if externally stored */ -UNIV_INLINE -ulint -dfield_is_ext( -/*==========*/ - const dfield_t* field) /*!< in: field */ -{ - ut_ad(field); - - return(UNIV_UNLIKELY(field->ext)); -} - -/*********************************************************************//** -Sets the "external storage" flag */ -UNIV_INLINE -void -dfield_set_ext( -/*===========*/ - dfield_t* field) /*!< in/out: field */ -{ - ut_ad(field); - - field->ext = 1; -} - -/*********************************************************************//** -Sets pointer to the data and length in a field. */ -UNIV_INLINE -void -dfield_set_data( -/*============*/ - dfield_t* field, /*!< in: field */ - const void* data, /*!< in: data */ - ulint len) /*!< in: length or UNIV_SQL_NULL */ -{ - ut_ad(field); - -#ifdef UNIV_VALGRIND_DEBUG - if (len != UNIV_SQL_NULL) UNIV_MEM_ASSERT_RW(data, len); -#endif /* UNIV_VALGRIND_DEBUG */ - field->data = (void*) data; - field->ext = 0; - field->len = len; -} - -/*********************************************************************//** -Sets a data field to SQL NULL. */ -UNIV_INLINE -void -dfield_set_null( -/*============*/ - dfield_t* field) /*!< in/out: field */ -{ - dfield_set_data(field, NULL, UNIV_SQL_NULL); -} - -/*********************************************************************//** -Copies the data and len fields. */ -UNIV_INLINE -void -dfield_copy_data( -/*=============*/ - dfield_t* field1, /*!< out: field to copy to */ - const dfield_t* field2) /*!< in: field to copy from */ -{ - ut_ad(field1 && field2); - - field1->data = field2->data; - field1->len = field2->len; - field1->ext = field2->ext; -} - -/*********************************************************************//** -Copies a data field to another. */ -UNIV_INLINE -void -dfield_copy( -/*========*/ - dfield_t* field1, /*!< out: field to copy to */ - const dfield_t* field2) /*!< in: field to copy from */ -{ - *field1 = *field2; -} - -/*********************************************************************//** -Copies the data pointed to by a data field. */ -UNIV_INLINE -void -dfield_dup( -/*=======*/ - dfield_t* field, /*!< in/out: data field */ - mem_heap_t* heap) /*!< in: memory heap where allocated */ -{ - if (!dfield_is_null(field)) { - UNIV_MEM_ASSERT_RW(field->data, field->len); - field->data = mem_heap_dup(heap, field->data, field->len); - } -} - -/*********************************************************************//** -Tests if data length and content is equal for two dfields. -@return TRUE if equal */ -UNIV_INLINE -ibool -dfield_datas_are_binary_equal( -/*==========================*/ - const dfield_t* field1, /*!< in: field */ - const dfield_t* field2) /*!< in: field */ -{ - ulint len; - - len = field1->len; - - return(len == field2->len - && (len == UNIV_SQL_NULL - || !memcmp(field1->data, field2->data, len))); -} - -/*********************************************************************//** -Gets info bits in a data tuple. -@return info bits */ -UNIV_INLINE -ulint -dtuple_get_info_bits( -/*=================*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - ut_ad(tuple); - - return(tuple->info_bits); -} - -/*********************************************************************//** -Sets info bits in a data tuple. */ -UNIV_INLINE -void -dtuple_set_info_bits( -/*=================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint info_bits) /*!< in: info bits */ -{ - ut_ad(tuple); - - tuple->info_bits = info_bits; -} - -/*********************************************************************//** -Gets number of fields used in record comparisons. -@return number of fields used in comparisons in rem0cmp.* */ -UNIV_INLINE -ulint -dtuple_get_n_fields_cmp( -/*====================*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - ut_ad(tuple); - - return(tuple->n_fields_cmp); -} - -/*********************************************************************//** -Sets number of fields used in record comparisons. */ -UNIV_INLINE -void -dtuple_set_n_fields_cmp( -/*====================*/ - dtuple_t* tuple, /*!< in: tuple */ - ulint n_fields_cmp) /*!< in: number of fields used in - comparisons in rem0cmp.* */ -{ - ut_ad(tuple); - ut_ad(n_fields_cmp <= tuple->n_fields); - - tuple->n_fields_cmp = n_fields_cmp; -} - -/*********************************************************************//** -Gets number of fields in a data tuple. -@return number of fields */ -UNIV_INLINE -ulint -dtuple_get_n_fields( -/*================*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - ut_ad(tuple); - - return(tuple->n_fields); -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Gets nth field of a tuple. -@return nth field */ -UNIV_INLINE -dfield_t* -dtuple_get_nth_field( -/*=================*/ - const dtuple_t* tuple, /*!< in: tuple */ - ulint n) /*!< in: index of field */ -{ - ut_ad(tuple); - ut_ad(n < tuple->n_fields); - - return((dfield_t*) tuple->fields + n); -} -#endif /* UNIV_DEBUG */ - -/**********************************************************//** -Creates a data tuple to a memory heap. The default value for number -of fields used in record comparisons for this tuple is n_fields. -@return own: created tuple */ -UNIV_INLINE -dtuple_t* -dtuple_create( -/*==========*/ - mem_heap_t* heap, /*!< in: memory heap where the tuple - is created */ - ulint n_fields) /*!< in: number of fields */ -{ - dtuple_t* tuple; - - ut_ad(heap); - - tuple = (dtuple_t*) mem_heap_alloc(heap, sizeof(dtuple_t) - + n_fields * sizeof(dfield_t)); - tuple->info_bits = 0; - tuple->n_fields = n_fields; - tuple->n_fields_cmp = n_fields; - tuple->fields = (dfield_t*) &tuple[1]; - -#ifdef UNIV_DEBUG - tuple->magic_n = DATA_TUPLE_MAGIC_N; - - { /* In the debug version, initialize fields to an error value */ - ulint i; - - for (i = 0; i < n_fields; i++) { - dfield_t* field; - - field = dtuple_get_nth_field(tuple, i); - - dfield_set_len(field, UNIV_SQL_NULL); - field->data = &data_error; - dfield_get_type(field)->mtype = DATA_ERROR; - } - } - - UNIV_MEM_INVALID(tuple->fields, n_fields * sizeof *tuple->fields); -#endif - return(tuple); -} - -/**********************************************************//** -Wrap data fields in a tuple. The default value for number -of fields used in record comparisons for this tuple is n_fields. -@return data tuple */ -UNIV_INLINE -const dtuple_t* -dtuple_from_fields( -/*===============*/ - dtuple_t* tuple, /*!< in: storage for data tuple */ - const dfield_t* fields, /*!< in: fields */ - ulint n_fields) /*!< in: number of fields */ -{ - tuple->info_bits = 0; - tuple->n_fields = tuple->n_fields_cmp = n_fields; - tuple->fields = (dfield_t*) fields; - ut_d(tuple->magic_n = DATA_TUPLE_MAGIC_N); - - return(tuple); -} - -/*********************************************************************//** -Copies a data tuple to another. This is a shallow copy; if a deep copy -is desired, dfield_dup() will have to be invoked on each field. -@return own: copy of tuple */ -UNIV_INLINE -dtuple_t* -dtuple_copy( -/*========*/ - const dtuple_t* tuple, /*!< in: tuple to copy from */ - mem_heap_t* heap) /*!< in: memory heap - where the tuple is created */ -{ - ulint n_fields = dtuple_get_n_fields(tuple); - dtuple_t* new_tuple = dtuple_create(heap, n_fields); - ulint i; - - for (i = 0; i < n_fields; i++) { - dfield_copy(dtuple_get_nth_field(new_tuple, i), - dtuple_get_nth_field(tuple, i)); - } - - return(new_tuple); -} - -/**********************************************************//** -The following function returns the sum of data lengths of a tuple. The space -occupied by the field structs or the tuple struct is not counted. Neither -is possible space in externally stored parts of the field. -@return sum of data lengths */ -UNIV_INLINE -ulint -dtuple_get_data_size( -/*=================*/ - const dtuple_t* tuple, /*!< in: typed data tuple */ - ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ -{ - const dfield_t* field; - ulint n_fields; - ulint len; - ulint i; - ulint sum = 0; - - ut_ad(tuple); - ut_ad(dtuple_check_typed(tuple)); - ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); - - n_fields = tuple->n_fields; - - for (i = 0; i < n_fields; i++) { - field = dtuple_get_nth_field(tuple, i); - len = dfield_get_len(field); - - if (len == UNIV_SQL_NULL) { - len = dtype_get_sql_null_size(dfield_get_type(field), - comp); - } - - sum += len; - } - - return(sum); -} - -/*********************************************************************//** -Computes the number of externally stored fields in a data tuple. -@return number of externally stored fields */ -UNIV_INLINE -ulint -dtuple_get_n_ext( -/*=============*/ - const dtuple_t* tuple) /*!< in: tuple */ -{ - ulint n_ext = 0; - ulint n_fields = tuple->n_fields; - ulint i; - - ut_ad(tuple); - ut_ad(dtuple_check_typed(tuple)); - ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); - - for (i = 0; i < n_fields; i++) { - n_ext += dtuple_get_nth_field(tuple, i)->ext; - } - - return(n_ext); -} - -/*******************************************************************//** -Sets types of fields binary in a tuple. */ -UNIV_INLINE -void -dtuple_set_types_binary( -/*====================*/ - dtuple_t* tuple, /*!< in: data tuple */ - ulint n) /*!< in: number of fields to set */ -{ - dtype_t* dfield_type; - ulint i; - - for (i = 0; i < n; i++) { - dfield_type = dfield_get_type(dtuple_get_nth_field(tuple, i)); - dtype_set(dfield_type, DATA_BINARY, 0, 0); - } -} - -/************************************************************//** -Folds a prefix given as the number of fields of a tuple. -@return the folded value */ -UNIV_INLINE -ulint -dtuple_fold( -/*========*/ - const dtuple_t* tuple, /*!< in: the tuple */ - ulint n_fields,/*!< in: number of complete fields to fold */ - ulint n_bytes,/*!< in: number of bytes to fold in an - incomplete last field */ - dulint tree_id)/*!< in: index tree id */ -{ - const dfield_t* field; - ulint i; - const byte* data; - ulint len; - ulint fold; - - ut_ad(tuple); - ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N); - ut_ad(dtuple_check_typed(tuple)); - - fold = ut_fold_dulint(tree_id); - - for (i = 0; i < n_fields; i++) { - field = dtuple_get_nth_field(tuple, i); - - data = (const byte*) dfield_get_data(field); - len = dfield_get_len(field); - - if (len != UNIV_SQL_NULL) { - fold = ut_fold_ulint_pair(fold, - ut_fold_binary(data, len)); - } - } - - if (n_bytes > 0) { - field = dtuple_get_nth_field(tuple, i); - - data = (const byte*) dfield_get_data(field); - len = dfield_get_len(field); - - if (len != UNIV_SQL_NULL) { - if (len > n_bytes) { - len = n_bytes; - } - - fold = ut_fold_ulint_pair(fold, - ut_fold_binary(data, len)); - } - } - - return(fold); -} - -/**********************************************************************//** -Writes an SQL null field full of zeros. */ -UNIV_INLINE -void -data_write_sql_null( -/*================*/ - byte* data, /*!< in: pointer to a buffer of size len */ - ulint len) /*!< in: SQL null size in bytes */ -{ - memset(data, 0, len); -} - -/**********************************************************************//** -Checks if a dtuple contains an SQL null value. -@return TRUE if some field is SQL null */ -UNIV_INLINE -ibool -dtuple_contains_null( -/*=================*/ - const dtuple_t* tuple) /*!< in: dtuple */ -{ - ulint n; - ulint i; - - n = dtuple_get_n_fields(tuple); - - for (i = 0; i < n; i++) { - if (dfield_is_null(dtuple_get_nth_field(tuple, i))) { - - return(TRUE); - } - } - - return(FALSE); -} - -/**************************************************************//** -Frees the memory in a big rec vector. */ -UNIV_INLINE -void -dtuple_big_rec_free( -/*================*/ - big_rec_t* vector) /*!< in, own: big rec vector; it is - freed in this function */ -{ - mem_heap_free(vector->heap); -} diff --git a/perfschema/include/data0type.h b/perfschema/include/data0type.h deleted file mode 100644 index a73bed3a9f5..00000000000 --- a/perfschema/include/data0type.h +++ /dev/null @@ -1,486 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/data0type.h -Data types - -Created 1/16/1996 Heikki Tuuri -*******************************************************/ - -#ifndef data0type_h -#define data0type_h - -#include "univ.i" - -extern ulint data_mysql_default_charset_coll; -#define DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL 8 -#define DATA_MYSQL_BINARY_CHARSET_COLL 63 - -/* SQL data type struct */ -typedef struct dtype_struct dtype_t; - -/*-------------------------------------------*/ -/* The 'MAIN TYPE' of a column */ -#define DATA_VARCHAR 1 /* character varying of the - latin1_swedish_ci charset-collation; note - that the MySQL format for this, DATA_BINARY, - DATA_VARMYSQL, is also affected by whether the - 'precise type' contains - DATA_MYSQL_TRUE_VARCHAR */ -#define DATA_CHAR 2 /* fixed length character of the - latin1_swedish_ci charset-collation */ -#define DATA_FIXBINARY 3 /* binary string of fixed length */ -#define DATA_BINARY 4 /* binary string */ -#define DATA_BLOB 5 /* binary large object, or a TEXT type; - if prtype & DATA_BINARY_TYPE == 0, then this is - actually a TEXT column (or a BLOB created - with < 4.0.14; since column prefix indexes - came only in 4.0.14, the missing flag in BLOBs - created before that does not cause any harm) */ -#define DATA_INT 6 /* integer: can be any size 1 - 8 bytes */ -#define DATA_SYS_CHILD 7 /* address of the child page in node pointer */ -#define DATA_SYS 8 /* system column */ - -/* Data types >= DATA_FLOAT must be compared using the whole field, not as -binary strings */ - -#define DATA_FLOAT 9 -#define DATA_DOUBLE 10 -#define DATA_DECIMAL 11 /* decimal number stored as an ASCII string */ -#define DATA_VARMYSQL 12 /* any charset varying length char */ -#define DATA_MYSQL 13 /* any charset fixed length char */ - /* NOTE that 4.1.1 used DATA_MYSQL and - DATA_VARMYSQL for all character sets, and the - charset-collation for tables created with it - can also be latin1_swedish_ci */ -#define DATA_MTYPE_MAX 63 /* dtype_store_for_order_and_null_size() - requires the values are <= 63 */ -/*-------------------------------------------*/ -/* The 'PRECISE TYPE' of a column */ -/* -Tables created by a MySQL user have the following convention: - -- In the least significant byte in the precise type we store the MySQL type -code (not applicable for system columns). - -- In the second least significant byte we OR flags DATA_NOT_NULL, -DATA_UNSIGNED, DATA_BINARY_TYPE. - -- In the third least significant byte of the precise type of string types we -store the MySQL charset-collation code. In DATA_BLOB columns created with -< 4.0.14 we do not actually know if it is a BLOB or a TEXT column. Since there -are no indexes on prefixes of BLOB or TEXT columns in < 4.0.14, this is no -problem, though. - -Note that versions < 4.1.2 or < 5.0.1 did not store the charset code to the -precise type, since the charset was always the default charset of the MySQL -installation. If the stored charset code is 0 in the system table SYS_COLUMNS -of InnoDB, that means that the default charset of this MySQL installation -should be used. - -When loading a table definition from the system tables to the InnoDB data -dictionary cache in main memory, InnoDB versions >= 4.1.2 and >= 5.0.1 check -if the stored charset-collation is 0, and if that is the case and the type is -a non-binary string, replace that 0 by the default charset-collation code of -this MySQL installation. In short, in old tables, the charset-collation code -in the system tables on disk can be 0, but in in-memory data structures -(dtype_t), the charset-collation code is always != 0 for non-binary string -types. - -In new tables, in binary string types, the charset-collation code is the -MySQL code for the 'binary charset', that is, != 0. - -For binary string types and for DATA_CHAR, DATA_VARCHAR, and for those -DATA_BLOB which are binary or have the charset-collation latin1_swedish_ci, -InnoDB performs all comparisons internally, without resorting to the MySQL -comparison functions. This is to save CPU time. - -InnoDB's own internal system tables have different precise types for their -columns, and for them the precise type is usually not used at all. -*/ - -#define DATA_ENGLISH 4 /* English language character string: this - is a relic from pre-MySQL time and only used - for InnoDB's own system tables */ -#define DATA_ERROR 111 /* another relic from pre-MySQL time */ - -#define DATA_MYSQL_TYPE_MASK 255 /* AND with this mask to extract the MySQL - type from the precise type */ -#define DATA_MYSQL_TRUE_VARCHAR 15 /* MySQL type code for the >= 5.0.3 - format true VARCHAR */ - -/* Precise data types for system columns and the length of those columns; -NOTE: the values must run from 0 up in the order given! All codes must -be less than 256 */ -#define DATA_ROW_ID 0 /* row id: a dulint */ -#define DATA_ROW_ID_LEN 6 /* stored length for row id */ - -#define DATA_TRX_ID 1 /* transaction id: 6 bytes */ -#define DATA_TRX_ID_LEN 6 - -#define DATA_ROLL_PTR 2 /* rollback data pointer: 7 bytes */ -#define DATA_ROLL_PTR_LEN 7 - -#define DATA_N_SYS_COLS 3 /* number of system columns defined above */ - -#define DATA_SYS_PRTYPE_MASK 0xF /* mask to extract the above from prtype */ - -/* Flags ORed to the precise data type */ -#define DATA_NOT_NULL 256 /* this is ORed to the precise type when - the column is declared as NOT NULL */ -#define DATA_UNSIGNED 512 /* this id ORed to the precise type when - we have an unsigned integer type */ -#define DATA_BINARY_TYPE 1024 /* if the data type is a binary character - string, this is ORed to the precise type: - this only holds for tables created with - >= MySQL-4.0.14 */ -/* #define DATA_NONLATIN1 2048 This is a relic from < 4.1.2 and < 5.0.1. - In earlier versions this was set for some - BLOB columns. -*/ -#define DATA_LONG_TRUE_VARCHAR 4096 /* this is ORed to the precise data - type when the column is true VARCHAR where - MySQL uses 2 bytes to store the data len; - for shorter VARCHARs MySQL uses only 1 byte */ -/*-------------------------------------------*/ - -/* This many bytes we need to store the type information affecting the -alphabetical order for a single field and decide the storage size of an -SQL null*/ -#define DATA_ORDER_NULL_TYPE_BUF_SIZE 4 -/* In the >= 4.1.x storage format we add 2 bytes more so that we can also -store the charset-collation number; one byte is left unused, though */ -#define DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE 6 - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Gets the MySQL type code from a dtype. -@return MySQL type code; this is NOT an InnoDB type code! */ -UNIV_INLINE -ulint -dtype_get_mysql_type( -/*=================*/ - const dtype_t* type); /*!< in: type struct */ -/*********************************************************************//** -Determine how many bytes the first n characters of the given string occupy. -If the string is shorter than n characters, returns the number of bytes -the characters in the string occupy. -@return length of the prefix, in bytes */ -UNIV_INTERN -ulint -dtype_get_at_most_n_mbchars( -/*========================*/ - ulint prtype, /*!< in: precise type */ - ulint mbminlen, /*!< in: minimum length of a - multi-byte character */ - ulint mbmaxlen, /*!< in: maximum length of a - multi-byte character */ - ulint prefix_len, /*!< in: length of the requested - prefix, in characters, multiplied by - dtype_get_mbmaxlen(dtype) */ - ulint data_len, /*!< in: length of str (in bytes) */ - const char* str); /*!< in: the string whose prefix - length is being determined */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Checks if a data main type is a string type. Also a BLOB is considered a -string type. -@return TRUE if string type */ -UNIV_INTERN -ibool -dtype_is_string_type( -/*=================*/ - ulint mtype); /*!< in: InnoDB main data type code: DATA_CHAR, ... */ -/*********************************************************************//** -Checks if a type is a binary string type. Note that for tables created with -< 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For -those DATA_BLOB columns this function currently returns FALSE. -@return TRUE if binary string type */ -UNIV_INTERN -ibool -dtype_is_binary_string_type( -/*========================*/ - ulint mtype, /*!< in: main data type */ - ulint prtype);/*!< in: precise type */ -/*********************************************************************//** -Checks if a type is a non-binary string type. That is, dtype_is_string_type is -TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created -with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. -For those DATA_BLOB columns this function currently returns TRUE. -@return TRUE if non-binary string type */ -UNIV_INTERN -ibool -dtype_is_non_binary_string_type( -/*============================*/ - ulint mtype, /*!< in: main data type */ - ulint prtype);/*!< in: precise type */ -/*********************************************************************//** -Sets a data type structure. */ -UNIV_INLINE -void -dtype_set( -/*======*/ - dtype_t* type, /*!< in: type struct to init */ - ulint mtype, /*!< in: main data type */ - ulint prtype, /*!< in: precise type */ - ulint len); /*!< in: precision of type */ -/*********************************************************************//** -Copies a data type structure. */ -UNIV_INLINE -void -dtype_copy( -/*=======*/ - dtype_t* type1, /*!< in: type struct to copy to */ - const dtype_t* type2); /*!< in: type struct to copy from */ -/*********************************************************************//** -Gets the SQL main data type. -@return SQL main data type */ -UNIV_INLINE -ulint -dtype_get_mtype( -/*============*/ - const dtype_t* type); /*!< in: data type */ -/*********************************************************************//** -Gets the precise data type. -@return precise data type */ -UNIV_INLINE -ulint -dtype_get_prtype( -/*=============*/ - const dtype_t* type); /*!< in: data type */ -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Compute the mbminlen and mbmaxlen members of a data type structure. */ -UNIV_INLINE -void -dtype_get_mblen( -/*============*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type (and collation) */ - ulint* mbminlen, /*!< out: minimum length of a - multi-byte character */ - ulint* mbmaxlen); /*!< out: maximum length of a - multi-byte character */ -/*********************************************************************//** -Gets the MySQL charset-collation code for MySQL string types. -@return MySQL charset-collation code */ -UNIV_INLINE -ulint -dtype_get_charset_coll( -/*===================*/ - ulint prtype);/*!< in: precise data type */ -/*********************************************************************//** -Forms a precise type from the < 4.1.2 format precise type plus the -charset-collation code. -@return precise type, including the charset-collation code */ -UNIV_INTERN -ulint -dtype_form_prtype( -/*==============*/ - ulint old_prtype, /*!< in: the MySQL type code and the flags - DATA_BINARY_TYPE etc. */ - ulint charset_coll); /*!< in: MySQL charset-collation code */ -/*********************************************************************//** -Determines if a MySQL string type is a subset of UTF-8. This function -may return false negatives, in case further character-set collation -codes are introduced in MySQL later. -@return TRUE if a subset of UTF-8 */ -UNIV_INLINE -ibool -dtype_is_utf8( -/*==========*/ - ulint prtype);/*!< in: precise data type */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Gets the type length. -@return fixed length of the type, in bytes, or 0 if variable-length */ -UNIV_INLINE -ulint -dtype_get_len( -/*==========*/ - const dtype_t* type); /*!< in: data type */ -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Gets the minimum length of a character, in bytes. -@return minimum length of a char, in bytes, or 0 if this is not a -character type */ -UNIV_INLINE -ulint -dtype_get_mbminlen( -/*===============*/ - const dtype_t* type); /*!< in: type */ -/*********************************************************************//** -Gets the maximum length of a character, in bytes. -@return maximum length of a char, in bytes, or 0 if this is not a -character type */ -UNIV_INLINE -ulint -dtype_get_mbmaxlen( -/*===============*/ - const dtype_t* type); /*!< in: type */ -/*********************************************************************//** -Gets the padding character code for the type. -@return padding character code, or ULINT_UNDEFINED if no padding specified */ -UNIV_INLINE -ulint -dtype_get_pad_char( -/*===============*/ - ulint mtype, /*!< in: main type */ - ulint prtype); /*!< in: precise type */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************************//** -Returns the size of a fixed size data type, 0 if not a fixed size type. -@return fixed size, or 0 */ -UNIV_INLINE -ulint -dtype_get_fixed_size_low( -/*=====================*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - ulint len, /*!< in: length */ - ulint mbminlen, /*!< in: minimum length of a multibyte char */ - ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ - ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Returns the minimum size of a data type. -@return minimum size */ -UNIV_INLINE -ulint -dtype_get_min_size_low( -/*===================*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - ulint len, /*!< in: length */ - ulint mbminlen, /*!< in: minimum length of a multibyte char */ - ulint mbmaxlen); /*!< in: maximum length of a multibyte char */ -/***********************************************************************//** -Returns the maximum size of a data type. Note: types in system tables may be -incomplete and return incorrect information. -@return maximum size */ -UNIV_INLINE -ulint -dtype_get_max_size_low( -/*===================*/ - ulint mtype, /*!< in: main type */ - ulint len); /*!< in: length */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************************//** -Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. -For fixed length types it is the fixed length of the type, otherwise 0. -@return SQL null storage size in ROW_FORMAT=REDUNDANT */ -UNIV_INLINE -ulint -dtype_get_sql_null_size( -/*====================*/ - const dtype_t* type, /*!< in: type */ - ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Reads to a type the stored information which determines its alphabetical -ordering and the storage size of an SQL NULL value. */ -UNIV_INLINE -void -dtype_read_for_order_and_null_size( -/*===============================*/ - dtype_t* type, /*!< in: type struct */ - const byte* buf); /*!< in: buffer for the stored order info */ -/**********************************************************************//** -Stores for a type the information which determines its alphabetical ordering -and the storage size of an SQL NULL value. This is the >= 4.1.x storage -format. */ -UNIV_INLINE -void -dtype_new_store_for_order_and_null_size( -/*====================================*/ - byte* buf, /*!< in: buffer for - DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE - bytes where we store the info */ - const dtype_t* type, /*!< in: type struct */ - ulint prefix_len);/*!< in: prefix length to - replace type->len, or 0 */ -/**********************************************************************//** -Reads to a type the stored information which determines its alphabetical -ordering and the storage size of an SQL NULL value. This is the 4.1.x storage -format. */ -UNIV_INLINE -void -dtype_new_read_for_order_and_null_size( -/*===================================*/ - dtype_t* type, /*!< in: type struct */ - const byte* buf); /*!< in: buffer for stored type order info */ -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Validates a data type structure. -@return TRUE if ok */ -UNIV_INTERN -ibool -dtype_validate( -/*===========*/ - const dtype_t* type); /*!< in: type struct to validate */ -/*********************************************************************//** -Prints a data type structure. */ -UNIV_INTERN -void -dtype_print( -/*========*/ - const dtype_t* type); /*!< in: type */ - -/* Structure for an SQL data type. -If you add fields to this structure, be sure to initialize them everywhere. -This structure is initialized in the following functions: -dtype_set() -dtype_read_for_order_and_null_size() -dtype_new_read_for_order_and_null_size() -sym_tab_add_null_lit() */ - -struct dtype_struct{ - unsigned mtype:8; /*!< main data type */ - unsigned prtype:24; /*!< precise type; MySQL data - type, charset code, flags to - indicate nullability, - signedness, whether this is a - binary string, whether this is - a true VARCHAR where MySQL - uses 2 bytes to store the length */ - - /* the remaining fields do not affect alphabetical ordering: */ - - unsigned len:16; /*!< length; for MySQL data this - is field->pack_length(), - except that for a >= 5.0.3 - type true VARCHAR this is the - maximum byte length of the - string data (in addition to - the string, MySQL uses 1 or 2 - bytes to store the string length) */ -#ifndef UNIV_HOTBACKUP - unsigned mbminlen:2; /*!< minimum length of a - character, in bytes */ - unsigned mbmaxlen:3; /*!< maximum length of a - character, in bytes */ -#endif /* !UNIV_HOTBACKUP */ -}; - -#ifndef UNIV_NONINL -#include "data0type.ic" -#endif - -#endif diff --git a/perfschema/include/data0type.ic b/perfschema/include/data0type.ic deleted file mode 100644 index 240b4288f39..00000000000 --- a/perfschema/include/data0type.ic +++ /dev/null @@ -1,599 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/data0type.ic -Data types - -Created 1/16/1996 Heikki Tuuri -*******************************************************/ - -#include "mach0data.h" -#ifndef UNIV_HOTBACKUP -# include "ha_prototypes.h" - -/*********************************************************************//** -Gets the MySQL charset-collation code for MySQL string types. -@return MySQL charset-collation code */ -UNIV_INLINE -ulint -dtype_get_charset_coll( -/*===================*/ - ulint prtype) /*!< in: precise data type */ -{ - return((prtype >> 16) & 0xFFUL); -} - -/*********************************************************************//** -Determines if a MySQL string type is a subset of UTF-8. This function -may return false negatives, in case further character-set collation -codes are introduced in MySQL later. -@return TRUE if a subset of UTF-8 */ -UNIV_INLINE -ibool -dtype_is_utf8( -/*==========*/ - ulint prtype) /*!< in: precise data type */ -{ - /* These codes have been copied from strings/ctype-extra.c - and strings/ctype-utf8.c. */ - switch (dtype_get_charset_coll(prtype)) { - case 11: /* ascii_general_ci */ - case 65: /* ascii_bin */ - case 33: /* utf8_general_ci */ - case 83: /* utf8_bin */ - case 254: /* utf8_general_cs */ - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Gets the MySQL type code from a dtype. -@return MySQL type code; this is NOT an InnoDB type code! */ -UNIV_INLINE -ulint -dtype_get_mysql_type( -/*=================*/ - const dtype_t* type) /*!< in: type struct */ -{ - return(type->prtype & 0xFFUL); -} - -/*********************************************************************//** -Compute the mbminlen and mbmaxlen members of a data type structure. */ -UNIV_INLINE -void -dtype_get_mblen( -/*============*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type (and collation) */ - ulint* mbminlen, /*!< out: minimum length of a - multi-byte character */ - ulint* mbmaxlen) /*!< out: maximum length of a - multi-byte character */ -{ - if (dtype_is_string_type(mtype)) { - innobase_get_cset_width(dtype_get_charset_coll(prtype), - mbminlen, mbmaxlen); - ut_ad(*mbminlen <= *mbmaxlen); - ut_ad(*mbminlen <= 2); /* mbminlen in dtype_t is 0..3 */ - ut_ad(*mbmaxlen < 1 << 3); /* mbmaxlen in dtype_t is 0..7 */ - } else { - *mbminlen = *mbmaxlen = 0; - } -} - -/*********************************************************************//** -Compute the mbminlen and mbmaxlen members of a data type structure. */ -UNIV_INLINE -void -dtype_set_mblen( -/*============*/ - dtype_t* type) /*!< in/out: type */ -{ - ulint mbminlen; - ulint mbmaxlen; - - dtype_get_mblen(type->mtype, type->prtype, &mbminlen, &mbmaxlen); - type->mbminlen = mbminlen; - type->mbmaxlen = mbmaxlen; - - ut_ad(dtype_validate(type)); -} -#else /* !UNIV_HOTBACKUP */ -# define dtype_set_mblen(type) (void) 0 -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Sets a data type structure. */ -UNIV_INLINE -void -dtype_set( -/*======*/ - dtype_t* type, /*!< in: type struct to init */ - ulint mtype, /*!< in: main data type */ - ulint prtype, /*!< in: precise type */ - ulint len) /*!< in: precision of type */ -{ - ut_ad(type); - ut_ad(mtype <= DATA_MTYPE_MAX); - - type->mtype = mtype; - type->prtype = prtype; - type->len = len; - - dtype_set_mblen(type); -} - -/*********************************************************************//** -Copies a data type structure. */ -UNIV_INLINE -void -dtype_copy( -/*=======*/ - dtype_t* type1, /*!< in: type struct to copy to */ - const dtype_t* type2) /*!< in: type struct to copy from */ -{ - *type1 = *type2; - - ut_ad(dtype_validate(type1)); -} - -/*********************************************************************//** -Gets the SQL main data type. -@return SQL main data type */ -UNIV_INLINE -ulint -dtype_get_mtype( -/*============*/ - const dtype_t* type) /*!< in: data type */ -{ - ut_ad(type); - - return(type->mtype); -} - -/*********************************************************************//** -Gets the precise data type. -@return precise data type */ -UNIV_INLINE -ulint -dtype_get_prtype( -/*=============*/ - const dtype_t* type) /*!< in: data type */ -{ - ut_ad(type); - - return(type->prtype); -} - -/*********************************************************************//** -Gets the type length. -@return fixed length of the type, in bytes, or 0 if variable-length */ -UNIV_INLINE -ulint -dtype_get_len( -/*==========*/ - const dtype_t* type) /*!< in: data type */ -{ - ut_ad(type); - - return(type->len); -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Gets the minimum length of a character, in bytes. -@return minimum length of a char, in bytes, or 0 if this is not a -character type */ -UNIV_INLINE -ulint -dtype_get_mbminlen( -/*===============*/ - const dtype_t* type) /*!< in: type */ -{ - ut_ad(type); - return(type->mbminlen); -} -/*********************************************************************//** -Gets the maximum length of a character, in bytes. -@return maximum length of a char, in bytes, or 0 if this is not a -character type */ -UNIV_INLINE -ulint -dtype_get_mbmaxlen( -/*===============*/ - const dtype_t* type) /*!< in: type */ -{ - ut_ad(type); - return(type->mbmaxlen); -} - -/*********************************************************************//** -Gets the padding character code for a type. -@return padding character code, or ULINT_UNDEFINED if no padding specified */ -UNIV_INLINE -ulint -dtype_get_pad_char( -/*===============*/ - ulint mtype, /*!< in: main type */ - ulint prtype) /*!< in: precise type */ -{ - switch (mtype) { - case DATA_FIXBINARY: - case DATA_BINARY: - if (UNIV_UNLIKELY(dtype_get_charset_coll(prtype) - == DATA_MYSQL_BINARY_CHARSET_COLL)) { - /* Starting from 5.0.18, do not pad - VARBINARY or BINARY columns. */ - return(ULINT_UNDEFINED); - } - /* Fall through */ - case DATA_CHAR: - case DATA_VARCHAR: - case DATA_MYSQL: - case DATA_VARMYSQL: - /* Space is the padding character for all char and binary - strings, and starting from 5.0.3, also for TEXT strings. */ - - return(0x20); - case DATA_BLOB: - if (!(prtype & DATA_BINARY_TYPE)) { - return(0x20); - } - /* Fall through */ - default: - /* No padding specified */ - return(ULINT_UNDEFINED); - } -} - -/**********************************************************************//** -Stores for a type the information which determines its alphabetical ordering -and the storage size of an SQL NULL value. This is the >= 4.1.x storage -format. */ -UNIV_INLINE -void -dtype_new_store_for_order_and_null_size( -/*====================================*/ - byte* buf, /*!< in: buffer for - DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE - bytes where we store the info */ - const dtype_t* type, /*!< in: type struct */ - ulint prefix_len)/*!< in: prefix length to - replace type->len, or 0 */ -{ -#if 6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE -#error "6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" -#endif - ulint len; - - buf[0] = (byte)(type->mtype & 0xFFUL); - - if (type->prtype & DATA_BINARY_TYPE) { - buf[0] = buf[0] | 128; - } - - /* In versions < 4.1.2 we had: if (type->prtype & DATA_NONLATIN1) { - buf[0] = buf[0] | 64; - } - */ - - buf[1] = (byte)(type->prtype & 0xFFUL); - - len = prefix_len ? prefix_len : type->len; - - mach_write_to_2(buf + 2, len & 0xFFFFUL); - - ut_ad(dtype_get_charset_coll(type->prtype) < 256); - mach_write_to_2(buf + 4, dtype_get_charset_coll(type->prtype)); - - if (type->prtype & DATA_NOT_NULL) { - buf[4] |= 128; - } -} - -/**********************************************************************//** -Reads to a type the stored information which determines its alphabetical -ordering and the storage size of an SQL NULL value. This is the < 4.1.x -storage format. */ -UNIV_INLINE -void -dtype_read_for_order_and_null_size( -/*===============================*/ - dtype_t* type, /*!< in: type struct */ - const byte* buf) /*!< in: buffer for stored type order info */ -{ -#if 4 != DATA_ORDER_NULL_TYPE_BUF_SIZE -# error "4 != DATA_ORDER_NULL_TYPE_BUF_SIZE" -#endif - - type->mtype = buf[0] & 63; - type->prtype = buf[1]; - - if (buf[0] & 128) { - type->prtype = type->prtype | DATA_BINARY_TYPE; - } - - type->len = mach_read_from_2(buf + 2); - - type->prtype = dtype_form_prtype(type->prtype, - data_mysql_default_charset_coll); - dtype_set_mblen(type); -} - -/**********************************************************************//** -Reads to a type the stored information which determines its alphabetical -ordering and the storage size of an SQL NULL value. This is the >= 4.1.x -storage format. */ -UNIV_INLINE -void -dtype_new_read_for_order_and_null_size( -/*===================================*/ - dtype_t* type, /*!< in: type struct */ - const byte* buf) /*!< in: buffer for stored type order info */ -{ - ulint charset_coll; - -#if 6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE -#error "6 != DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE" -#endif - - type->mtype = buf[0] & 63; - type->prtype = buf[1]; - - if (buf[0] & 128) { - type->prtype |= DATA_BINARY_TYPE; - } - - if (buf[4] & 128) { - type->prtype |= DATA_NOT_NULL; - } - - type->len = mach_read_from_2(buf + 2); - - charset_coll = mach_read_from_2(buf + 4) & 0x7fff; - - if (dtype_is_string_type(type->mtype)) { - ut_a(charset_coll < 256); - - if (charset_coll == 0) { - /* This insert buffer record was inserted with MySQL - version < 4.1.2, and the charset-collation code was not - explicitly stored to dtype->prtype at that time. It - must be the default charset-collation of this MySQL - installation. */ - - charset_coll = data_mysql_default_charset_coll; - } - - type->prtype = dtype_form_prtype(type->prtype, charset_coll); - } - dtype_set_mblen(type); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************************//** -Returns the size of a fixed size data type, 0 if not a fixed size type. -@return fixed size, or 0 */ -UNIV_INLINE -ulint -dtype_get_fixed_size_low( -/*=====================*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - ulint len, /*!< in: length */ - ulint mbminlen, /*!< in: minimum length of a multibyte char */ - ulint mbmaxlen, /*!< in: maximum length of a multibyte char */ - ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ -{ - switch (mtype) { - case DATA_SYS: -#ifdef UNIV_DEBUG - switch (prtype & DATA_MYSQL_TYPE_MASK) { - case DATA_ROW_ID: - ut_ad(len == DATA_ROW_ID_LEN); - break; - case DATA_TRX_ID: - ut_ad(len == DATA_TRX_ID_LEN); - break; - case DATA_ROLL_PTR: - ut_ad(len == DATA_ROLL_PTR_LEN); - break; - default: - ut_ad(0); - return(0); - } -#endif /* UNIV_DEBUG */ - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_INT: - case DATA_FLOAT: - case DATA_DOUBLE: - return(len); - case DATA_MYSQL: -#ifndef UNIV_HOTBACKUP - if (prtype & DATA_BINARY_TYPE) { - return(len); - } else if (!comp) { - return(len); - } else { - /* We play it safe here and ask MySQL for - mbminlen and mbmaxlen. Although - mbminlen and mbmaxlen are - initialized if and only if prtype - is (in one of the 3 functions in this file), - it could be that none of these functions - has been called. */ - - ulint i_mbminlen, i_mbmaxlen; - - innobase_get_cset_width( - dtype_get_charset_coll(prtype), - &i_mbminlen, &i_mbmaxlen); - - if (UNIV_UNLIKELY(mbminlen != i_mbminlen) - || UNIV_UNLIKELY(mbmaxlen != i_mbmaxlen)) { - - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: " - "mbminlen=%lu, " - "mbmaxlen=%lu, " - "type->mbminlen=%lu, " - "type->mbmaxlen=%lu\n", - (ulong) i_mbminlen, - (ulong) i_mbmaxlen, - (ulong) mbminlen, - (ulong) mbmaxlen); - } - if (mbminlen == mbmaxlen) { - return(len); - } - } -#else /* !UNIV_HOTBACKUP */ - return(len); -#endif /* !UNIV_HOTBACKUP */ - /* fall through for variable-length charsets */ - case DATA_VARCHAR: - case DATA_BINARY: - case DATA_DECIMAL: - case DATA_VARMYSQL: - case DATA_BLOB: - return(0); - default: - ut_error; - } - - return(0); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Returns the minimum size of a data type. -@return minimum size */ -UNIV_INLINE -ulint -dtype_get_min_size_low( -/*===================*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - ulint len, /*!< in: length */ - ulint mbminlen, /*!< in: minimum length of a multibyte char */ - ulint mbmaxlen) /*!< in: maximum length of a multibyte char */ -{ - switch (mtype) { - case DATA_SYS: -#ifdef UNIV_DEBUG - switch (prtype & DATA_MYSQL_TYPE_MASK) { - case DATA_ROW_ID: - ut_ad(len == DATA_ROW_ID_LEN); - break; - case DATA_TRX_ID: - ut_ad(len == DATA_TRX_ID_LEN); - break; - case DATA_ROLL_PTR: - ut_ad(len == DATA_ROLL_PTR_LEN); - break; - default: - ut_ad(0); - return(0); - } -#endif /* UNIV_DEBUG */ - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_INT: - case DATA_FLOAT: - case DATA_DOUBLE: - return(len); - case DATA_MYSQL: - if ((prtype & DATA_BINARY_TYPE) || mbminlen == mbmaxlen) { - return(len); - } - /* this is a variable-length character set */ - ut_a(mbminlen > 0); - ut_a(mbmaxlen > mbminlen); - ut_a(len % mbmaxlen == 0); - return(len * mbminlen / mbmaxlen); - case DATA_VARCHAR: - case DATA_BINARY: - case DATA_DECIMAL: - case DATA_VARMYSQL: - case DATA_BLOB: - return(0); - default: - ut_error; - } - - return(0); -} - -/***********************************************************************//** -Returns the maximum size of a data type. Note: types in system tables may be -incomplete and return incorrect information. -@return maximum size */ -UNIV_INLINE -ulint -dtype_get_max_size_low( -/*===================*/ - ulint mtype, /*!< in: main type */ - ulint len) /*!< in: length */ -{ - switch (mtype) { - case DATA_SYS: - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_INT: - case DATA_FLOAT: - case DATA_DOUBLE: - case DATA_MYSQL: - case DATA_VARCHAR: - case DATA_BINARY: - case DATA_DECIMAL: - case DATA_VARMYSQL: - return(len); - case DATA_BLOB: - break; - default: - ut_error; - } - - return(ULINT_MAX); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************************//** -Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a type. -For fixed length types it is the fixed length of the type, otherwise 0. -@return SQL null storage size in ROW_FORMAT=REDUNDANT */ -UNIV_INLINE -ulint -dtype_get_sql_null_size( -/*====================*/ - const dtype_t* type, /*!< in: type */ - ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ -{ -#ifndef UNIV_HOTBACKUP - return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, - type->mbminlen, type->mbmaxlen, comp)); -#else /* !UNIV_HOTBACKUP */ - return(dtype_get_fixed_size_low(type->mtype, type->prtype, type->len, - 0, 0, 0)); -#endif /* !UNIV_HOTBACKUP */ -} diff --git a/perfschema/include/data0types.h b/perfschema/include/data0types.h deleted file mode 100644 index 04e835bc401..00000000000 --- a/perfschema/include/data0types.h +++ /dev/null @@ -1,36 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2000, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/data0types.h -Some type definitions - -Created 9/21/2000 Heikki Tuuri -*************************************************************************/ - -#ifndef data0types_h -#define data0types_h - -/* SQL data field struct */ -typedef struct dfield_struct dfield_t; - -/* SQL data tuple struct */ -typedef struct dtuple_struct dtuple_t; - -#endif - diff --git a/perfschema/include/db0err.h b/perfschema/include/db0err.h deleted file mode 100644 index 747e9b5364e..00000000000 --- a/perfschema/include/db0err.h +++ /dev/null @@ -1,106 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/db0err.h -Global error codes for the database - -Created 5/24/1996 Heikki Tuuri -*******************************************************/ - -#ifndef db0err_h -#define db0err_h - - -enum db_err { - DB_SUCCESS = 10, - - /* The following are error codes */ - DB_ERROR, - DB_INTERRUPTED, - DB_OUT_OF_MEMORY, - DB_OUT_OF_FILE_SPACE, - DB_LOCK_WAIT, - DB_DEADLOCK, - DB_ROLLBACK, - DB_DUPLICATE_KEY, - DB_QUE_THR_SUSPENDED, - DB_MISSING_HISTORY, /* required history data has been - deleted due to lack of space in - rollback segment */ - DB_CLUSTER_NOT_FOUND = 30, - DB_TABLE_NOT_FOUND, - DB_MUST_GET_MORE_FILE_SPACE, /* the database has to be stopped - and restarted with more file space */ - DB_TABLE_IS_BEING_USED, - DB_TOO_BIG_RECORD, /* a record in an index would not fit - on a compressed page, or it would - become bigger than 1/2 free space in - an uncompressed page frame */ - DB_LOCK_WAIT_TIMEOUT, /* lock wait lasted too long */ - DB_NO_REFERENCED_ROW, /* referenced key value not found - for a foreign key in an insert or - update of a row */ - DB_ROW_IS_REFERENCED, /* cannot delete or update a row - because it contains a key value - which is referenced */ - DB_CANNOT_ADD_CONSTRAINT, /* adding a foreign key constraint - to a table failed */ - DB_CORRUPTION, /* data structure corruption noticed */ - DB_COL_APPEARS_TWICE_IN_INDEX, /* InnoDB cannot handle an index - where same column appears twice */ - DB_CANNOT_DROP_CONSTRAINT, /* dropping a foreign key constraint - from a table failed */ - DB_NO_SAVEPOINT, /* no savepoint exists with the given - name */ - DB_TABLESPACE_ALREADY_EXISTS, /* we cannot create a new single-table - tablespace because a file of the same - name already exists */ - DB_TABLESPACE_DELETED, /* tablespace does not exist or is - being dropped right now */ - DB_LOCK_TABLE_FULL, /* lock structs have exhausted the - buffer pool (for big transactions, - InnoDB stores the lock structs in the - buffer pool) */ - DB_FOREIGN_DUPLICATE_KEY, /* foreign key constraints - activated by the operation would - lead to a duplicate key in some - table */ - DB_TOO_MANY_CONCURRENT_TRXS, /* when InnoDB runs out of the - preconfigured undo slots, this can - only happen when there are too many - concurrent transactions */ - DB_UNSUPPORTED, /* when InnoDB sees any artefact or - a feature that it can't recoginize or - work with e.g., FT indexes created by - a later version of the engine. */ - - DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY - was found to be NULL */ - - /* The following are partial failure codes */ - DB_FAIL = 1000, - DB_OVERFLOW, - DB_UNDERFLOW, - DB_STRONG_FAIL, - DB_ZIP_OVERFLOW, - DB_RECORD_NOT_FOUND = 1500, - DB_END_OF_INDEX -}; - -#endif diff --git a/perfschema/include/dict0boot.h b/perfschema/include/dict0boot.h deleted file mode 100644 index e01fafe652d..00000000000 --- a/perfschema/include/dict0boot.h +++ /dev/null @@ -1,151 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0boot.h -Data dictionary creation and booting - -Created 4/18/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0boot_h -#define dict0boot_h - -#include "univ.i" - -#include "mtr0mtr.h" -#include "mtr0log.h" -#include "ut0byte.h" -#include "buf0buf.h" -#include "fsp0fsp.h" -#include "dict0dict.h" - -typedef byte dict_hdr_t; - -/**********************************************************************//** -Gets a pointer to the dictionary header and x-latches its page. -@return pointer to the dictionary header, page x-latched */ -UNIV_INTERN -dict_hdr_t* -dict_hdr_get( -/*=========*/ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Returns a new row, table, index, or tree id. -@return the new id */ -UNIV_INTERN -dulint -dict_hdr_get_new_id( -/*================*/ - ulint type); /*!< in: DICT_HDR_ROW_ID, ... */ -/**********************************************************************//** -Returns a new row id. -@return the new id */ -UNIV_INLINE -dulint -dict_sys_get_new_row_id(void); -/*=========================*/ -/**********************************************************************//** -Reads a row id from a record or other 6-byte stored form. -@return row id */ -UNIV_INLINE -dulint -dict_sys_read_row_id( -/*=================*/ - byte* field); /*!< in: record field */ -/**********************************************************************//** -Writes a row id to a record or other 6-byte stored form. */ -UNIV_INLINE -void -dict_sys_write_row_id( -/*==================*/ - byte* field, /*!< in: record field */ - dulint row_id);/*!< in: row id */ -/*****************************************************************//** -Initializes the data dictionary memory structures when the database is -started. This function is also called when the data dictionary is created. */ -UNIV_INTERN -void -dict_boot(void); -/*===========*/ -/*****************************************************************//** -Creates and initializes the data dictionary at the database creation. */ -UNIV_INTERN -void -dict_create(void); -/*=============*/ - - -/* Space id and page no where the dictionary header resides */ -#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ -#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO - -/* The ids for the basic system tables and their indexes */ -#define DICT_TABLES_ID ut_dulint_create(0, 1) -#define DICT_COLUMNS_ID ut_dulint_create(0, 2) -#define DICT_INDEXES_ID ut_dulint_create(0, 3) -#define DICT_FIELDS_ID ut_dulint_create(0, 4) -/* The following is a secondary index on SYS_TABLES */ -#define DICT_TABLE_IDS_ID ut_dulint_create(0, 5) - -#define DICT_HDR_FIRST_ID 10 /* the ids for tables etc. start - from this number, except for basic - system tables and their above defined - indexes; ibuf tables and indexes are - assigned as the id the number - DICT_IBUF_ID_MIN plus the space id */ -#define DICT_IBUF_ID_MIN ut_dulint_create(0xFFFFFFFFUL, 0) - -/* The offset of the dictionary header on the page */ -#define DICT_HDR FSEG_PAGE_DATA - -/*-------------------------------------------------------------*/ -/* Dictionary header offsets */ -#define DICT_HDR_ROW_ID 0 /* The latest assigned row id */ -#define DICT_HDR_TABLE_ID 8 /* The latest assigned table id */ -#define DICT_HDR_INDEX_ID 16 /* The latest assigned index id */ -#define DICT_HDR_MIX_ID 24 /* Obsolete, always 0. */ -#define DICT_HDR_TABLES 32 /* Root of the table index tree */ -#define DICT_HDR_TABLE_IDS 36 /* Root of the table index tree */ -#define DICT_HDR_COLUMNS 40 /* Root of the column index tree */ -#define DICT_HDR_INDEXES 44 /* Root of the index index tree */ -#define DICT_HDR_FIELDS 48 /* Root of the index field - index tree */ - -#define DICT_HDR_FSEG_HEADER 56 /* Segment header for the tablespace - segment into which the dictionary - header is created */ -/*-------------------------------------------------------------*/ - -/* The field number of the page number field in the sys_indexes table -clustered index */ -#define DICT_SYS_INDEXES_PAGE_NO_FIELD 8 -#define DICT_SYS_INDEXES_SPACE_NO_FIELD 7 -#define DICT_SYS_INDEXES_TYPE_FIELD 6 -#define DICT_SYS_INDEXES_NAME_FIELD 3 - -/* When a row id which is zero modulo this number (which must be a power of -two) is assigned, the field DICT_HDR_ROW_ID on the dictionary header page is -updated */ -#define DICT_HDR_ROW_ID_WRITE_MARGIN 256 - -#ifndef UNIV_NONINL -#include "dict0boot.ic" -#endif - -#endif diff --git a/perfschema/include/dict0boot.ic b/perfschema/include/dict0boot.ic deleted file mode 100644 index d5f372e38c4..00000000000 --- a/perfschema/include/dict0boot.ic +++ /dev/null @@ -1,93 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0boot.ic -Data dictionary creation and booting - -Created 4/18/1996 Heikki Tuuri -*******************************************************/ - -/**********************************************************************//** -Writes the current value of the row id counter to the dictionary header file -page. */ -UNIV_INTERN -void -dict_hdr_flush_row_id(void); -/*=======================*/ - - -/**********************************************************************//** -Returns a new row id. -@return the new id */ -UNIV_INLINE -dulint -dict_sys_get_new_row_id(void) -/*=========================*/ -{ - dulint id; - - mutex_enter(&(dict_sys->mutex)); - - id = dict_sys->row_id; - - if (0 == (ut_dulint_get_low(id) % DICT_HDR_ROW_ID_WRITE_MARGIN)) { - - dict_hdr_flush_row_id(); - } - - UT_DULINT_INC(dict_sys->row_id); - - mutex_exit(&(dict_sys->mutex)); - - return(id); -} - -/**********************************************************************//** -Reads a row id from a record or other 6-byte stored form. -@return row id */ -UNIV_INLINE -dulint -dict_sys_read_row_id( -/*=================*/ - byte* field) /*!< in: record field */ -{ -#if DATA_ROW_ID_LEN != 6 -# error "DATA_ROW_ID_LEN != 6" -#endif - - return(mach_read_from_6(field)); -} - -/**********************************************************************//** -Writes a row id to a record or other 6-byte stored form. */ -UNIV_INLINE -void -dict_sys_write_row_id( -/*==================*/ - byte* field, /*!< in: record field */ - dulint row_id) /*!< in: row id */ -{ -#if DATA_ROW_ID_LEN != 6 -# error "DATA_ROW_ID_LEN != 6" -#endif - - mach_write_to_6(field, row_id); -} - - diff --git a/perfschema/include/dict0crea.h b/perfschema/include/dict0crea.h deleted file mode 100644 index cce1246b789..00000000000 --- a/perfschema/include/dict0crea.h +++ /dev/null @@ -1,197 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0crea.h -Database object creation - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0crea_h -#define dict0crea_h - -#include "univ.i" -#include "dict0types.h" -#include "dict0dict.h" -#include "que0types.h" -#include "row0types.h" -#include "mtr0mtr.h" - -/*********************************************************************//** -Creates a table create graph. -@return own: table create node */ -UNIV_INTERN -tab_node_t* -tab_create_graph_create( -/*====================*/ - dict_table_t* table, /*!< in: table to create, built as a memory data - structure */ - mem_heap_t* heap); /*!< in: heap where created */ -/*********************************************************************//** -Creates an index create graph. -@return own: index create node */ -UNIV_INTERN -ind_node_t* -ind_create_graph_create( -/*====================*/ - dict_index_t* index, /*!< in: index to create, built as a memory data - structure */ - mem_heap_t* heap); /*!< in: heap where created */ -/***********************************************************//** -Creates a table. This is a high-level function used in SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -dict_create_table_step( -/*===================*/ - que_thr_t* thr); /*!< in: query thread */ -/***********************************************************//** -Creates an index. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -dict_create_index_step( -/*===================*/ - que_thr_t* thr); /*!< in: query thread */ -/*******************************************************************//** -Truncates the index tree associated with a row in SYS_INDEXES table. -@return new root page number, or FIL_NULL on failure */ -UNIV_INTERN -ulint -dict_truncate_index_tree( -/*=====================*/ - dict_table_t* table, /*!< in: the table the index belongs to */ - ulint space, /*!< in: 0=truncate, - nonzero=create the index tree in the - given tablespace */ - btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to - record in the clustered index of - SYS_INDEXES table. The cursor may be - repositioned in this call. */ - mtr_t* mtr); /*!< in: mtr having the latch - on the record page. The mtr may be - committed and restarted in this call. */ -/*******************************************************************//** -Drops the index tree associated with a row in SYS_INDEXES table. */ -UNIV_INTERN -void -dict_drop_index_tree( -/*=================*/ - rec_t* rec, /*!< in/out: record in the clustered index - of SYS_INDEXES table */ - mtr_t* mtr); /*!< in: mtr having the latch on the record page */ -/****************************************************************//** -Creates the foreign key constraints system tables inside InnoDB -at database creation or database start if they are not found or are -not of the right form. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_create_or_check_foreign_constraint_tables(void); -/*================================================*/ -/********************************************************************//** -Adds foreign key definitions to data dictionary tables in the database. We -look at table->foreign_list, and also generate names to constraints that were -not named by the user. A generated constraint has a name of the format -databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are -given locally for this table, that is, the number is not global, as in the -old format constraints < 4.0.18 it used to be. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -dict_create_add_foreigns_to_dictionary( -/*===================================*/ - ulint start_id,/*!< in: if we are actually doing ALTER TABLE - ADD CONSTRAINT, we want to generate constraint - numbers which are bigger than in the table so - far; we number the constraints from - start_id + 1 up; start_id should be set to 0 if - we are creating a new table, or if the table - so far has no constraints for which the name - was generated here */ - dict_table_t* table, /*!< in: table */ - trx_t* trx); /*!< in: transaction */ - -/* Table create node structure */ - -struct tab_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_TABLE_CREATE */ - dict_table_t* table; /*!< table to create, built as a memory data - structure with dict_mem_... functions */ - ins_node_t* tab_def; /* child node which does the insert of - the table definition; the row to be inserted - is built by the parent node */ - ins_node_t* col_def; /* child node which does the inserts of - the column definitions; the row to be inserted - is built by the parent node */ - commit_node_t* commit_node; - /* child node which performs a commit after - a successful table creation */ - /*----------------------*/ - /* Local storage for this graph node */ - ulint state; /*!< node execution state */ - ulint col_no; /*!< next column definition to insert */ - mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ -}; - -/* Table create node states */ -#define TABLE_BUILD_TABLE_DEF 1 -#define TABLE_BUILD_COL_DEF 2 -#define TABLE_COMMIT_WORK 3 -#define TABLE_ADD_TO_CACHE 4 -#define TABLE_COMPLETED 5 - -/* Index create node struct */ - -struct ind_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_INDEX_CREATE */ - dict_index_t* index; /*!< index to create, built as a memory data - structure with dict_mem_... functions */ - ins_node_t* ind_def; /* child node which does the insert of - the index definition; the row to be inserted - is built by the parent node */ - ins_node_t* field_def; /* child node which does the inserts of - the field definitions; the row to be inserted - is built by the parent node */ - commit_node_t* commit_node; - /* child node which performs a commit after - a successful index creation */ - /*----------------------*/ - /* Local storage for this graph node */ - ulint state; /*!< node execution state */ - ulint page_no;/* root page number of the index */ - dict_table_t* table; /*!< table which owns the index */ - dtuple_t* ind_row;/* index definition row built */ - ulint field_no;/* next field definition to insert */ - mem_heap_t* heap; /*!< memory heap used as auxiliary storage */ -}; - -/* Index create node states */ -#define INDEX_BUILD_INDEX_DEF 1 -#define INDEX_BUILD_FIELD_DEF 2 -#define INDEX_CREATE_INDEX_TREE 3 -#define INDEX_COMMIT_WORK 4 -#define INDEX_ADD_TO_CACHE 5 - -#ifndef UNIV_NONINL -#include "dict0crea.ic" -#endif - -#endif diff --git a/perfschema/include/dict0crea.ic b/perfschema/include/dict0crea.ic deleted file mode 100644 index c5365ce7489..00000000000 --- a/perfschema/include/dict0crea.ic +++ /dev/null @@ -1,25 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0crea.ic -Database object creation - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - diff --git a/perfschema/include/dict0dict.h b/perfschema/include/dict0dict.h deleted file mode 100644 index 12396556c2d..00000000000 --- a/perfschema/include/dict0dict.h +++ /dev/null @@ -1,1165 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0dict.h -Data dictionary system - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0dict_h -#define dict0dict_h - -#include "univ.i" -#include "dict0types.h" -#include "dict0mem.h" -#include "data0type.h" -#include "data0data.h" -#include "mem0mem.h" -#include "rem0types.h" -#include "ut0mem.h" -#include "ut0lst.h" -#include "hash0hash.h" -#include "ut0rnd.h" -#include "ut0byte.h" -#include "trx0types.h" - -#ifndef UNIV_HOTBACKUP -# include "sync0sync.h" -# include "sync0rw.h" -/******************************************************************//** -Makes all characters in a NUL-terminated UTF-8 string lower case. */ -UNIV_INTERN -void -dict_casedn_str( -/*============*/ - char* a); /*!< in/out: string to put in lower case */ -/********************************************************************//** -Get the database name length in a table name. -@return database name length */ -UNIV_INTERN -ulint -dict_get_db_name_len( -/*=================*/ - const char* name); /*!< in: table name in the form - dbname '/' tablename */ -/********************************************************************//** -Return the end of table name where we have removed dbname and '/'. -@return table name */ - -const char* -dict_remove_db_name( -/*================*/ - const char* name); /*!< in: table name in the form - dbname '/' tablename */ -/**********************************************************************//** -Returns a table object based on table id. -@return table, NULL if does not exist */ -UNIV_INTERN -dict_table_t* -dict_table_get_on_id( -/*=================*/ - dulint table_id, /*!< in: table id */ - trx_t* trx); /*!< in: transaction handle */ -/********************************************************************//** -Decrements the count of open MySQL handles to a table. */ -UNIV_INTERN -void -dict_table_decrement_handle_count( -/*==============================*/ - dict_table_t* table, /*!< in/out: table */ - ibool dict_locked); /*!< in: TRUE=data dictionary locked */ -/**********************************************************************//** -Inits the data dictionary module. */ -UNIV_INTERN -void -dict_init(void); -/*===========*/ -/********************************************************************//** -Gets the space id of every table of the data dictionary and makes a linear -list and a hash table of them to the data dictionary cache. This function -can be called at database startup if we did not need to do a crash recovery. -In crash recovery we must scan the space id's from the .ibd files in MySQL -database directories. */ -UNIV_INTERN -void -dict_load_space_id_list(void); -/*=========================*/ -/*********************************************************************//** -Gets the column data type. */ -UNIV_INLINE -void -dict_col_copy_type( -/*===============*/ - const dict_col_t* col, /*!< in: column */ - dtype_t* type); /*!< out: data type */ -#endif /* !UNIV_HOTBACKUP */ -#ifdef UNIV_DEBUG -/*********************************************************************//** -Assert that a column and a data type match. -@return TRUE */ -UNIV_INLINE -ibool -dict_col_type_assert_equal( -/*=======================*/ - const dict_col_t* col, /*!< in: column */ - const dtype_t* type); /*!< in: data type */ -#endif /* UNIV_DEBUG */ -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Returns the minimum size of the column. -@return minimum size */ -UNIV_INLINE -ulint -dict_col_get_min_size( -/*==================*/ - const dict_col_t* col); /*!< in: column */ -/***********************************************************************//** -Returns the maximum size of the column. -@return maximum size */ -UNIV_INLINE -ulint -dict_col_get_max_size( -/*==================*/ - const dict_col_t* col); /*!< in: column */ -/***********************************************************************//** -Returns the size of a fixed size column, 0 if not a fixed size column. -@return fixed size, or 0 */ -UNIV_INLINE -ulint -dict_col_get_fixed_size( -/*====================*/ - const dict_col_t* col, /*!< in: column */ - ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ -/***********************************************************************//** -Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. -For fixed length types it is the fixed length of the type, otherwise 0. -@return SQL null storage size in ROW_FORMAT=REDUNDANT */ -UNIV_INLINE -ulint -dict_col_get_sql_null_size( -/*=======================*/ - const dict_col_t* col, /*!< in: column */ - ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ - -/*********************************************************************//** -Gets the column number. -@return col->ind, table column position (starting from 0) */ -UNIV_INLINE -ulint -dict_col_get_no( -/*============*/ - const dict_col_t* col); /*!< in: column */ -/*********************************************************************//** -Gets the column position in the clustered index. */ -UNIV_INLINE -ulint -dict_col_get_clust_pos( -/*===================*/ - const dict_col_t* col, /*!< in: table column */ - const dict_index_t* clust_index); /*!< in: clustered index */ -/****************************************************************//** -If the given column name is reserved for InnoDB system columns, return -TRUE. -@return TRUE if name is reserved */ -UNIV_INTERN -ibool -dict_col_name_is_reserved( -/*======================*/ - const char* name); /*!< in: column name */ -/********************************************************************//** -Acquire the autoinc lock. */ -UNIV_INTERN -void -dict_table_autoinc_lock( -/*====================*/ - dict_table_t* table); /*!< in/out: table */ -/********************************************************************//** -Unconditionally set the autoinc counter. */ -UNIV_INTERN -void -dict_table_autoinc_initialize( -/*==========================*/ - dict_table_t* table, /*!< in/out: table */ - ib_uint64_t value); /*!< in: next value to assign to a row */ -/********************************************************************//** -Reads the next autoinc value (== autoinc counter value), 0 if not yet -initialized. -@return value for a new row, or 0 */ -UNIV_INTERN -ib_uint64_t -dict_table_autoinc_read( -/*====================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Updates the autoinc counter if the value supplied is greater than the -current value. */ -UNIV_INTERN -void -dict_table_autoinc_update_if_greater( -/*=================================*/ - - dict_table_t* table, /*!< in/out: table */ - ib_uint64_t value); /*!< in: value which was assigned to a row */ -/********************************************************************//** -Release the autoinc lock. */ -UNIV_INTERN -void -dict_table_autoinc_unlock( -/*======================*/ - dict_table_t* table); /*!< in/out: table */ -#endif /* !UNIV_HOTBACKUP */ -/**********************************************************************//** -Adds system columns to a table object. */ -UNIV_INTERN -void -dict_table_add_system_columns( -/*==========================*/ - dict_table_t* table, /*!< in/out: table */ - mem_heap_t* heap); /*!< in: temporary heap */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Adds a table object to the dictionary cache. */ -UNIV_INTERN -void -dict_table_add_to_cache( -/*====================*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap); /*!< in: temporary heap */ -/**********************************************************************//** -Removes a table object from the dictionary cache. */ -UNIV_INTERN -void -dict_table_remove_from_cache( -/*=========================*/ - dict_table_t* table); /*!< in, own: table */ -/**********************************************************************//** -Renames a table object. -@return TRUE if success */ -UNIV_INTERN -ibool -dict_table_rename_in_cache( -/*=======================*/ - dict_table_t* table, /*!< in/out: table */ - const char* new_name, /*!< in: new name */ - ibool rename_also_foreigns);/*!< in: in ALTER TABLE we want - to preserve the original table name - in constraints which reference it */ -/**********************************************************************//** -Removes an index from the dictionary cache. */ -UNIV_INTERN -void -dict_index_remove_from_cache( -/*=========================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index); /*!< in, own: index */ -/**********************************************************************//** -Change the id of a table object in the dictionary cache. This is used in -DISCARD TABLESPACE. */ -UNIV_INTERN -void -dict_table_change_id_in_cache( -/*==========================*/ - dict_table_t* table, /*!< in/out: table object already in cache */ - dulint new_id);/*!< in: new id to set */ -/**********************************************************************//** -Adds a foreign key constraint object to the dictionary cache. May free -the object if there already is an object with the same identifier in. -At least one of foreign table or referenced table must already be in -the dictionary cache! -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_foreign_add_to_cache( -/*======================*/ - dict_foreign_t* foreign, /*!< in, own: foreign key constraint */ - ibool check_charsets);/*!< in: TRUE=check charset - compatibility */ -/*********************************************************************//** -Check if the index is referenced by a foreign key, if TRUE return the -matching instance NULL otherwise. -@return pointer to foreign key struct if index is defined for foreign -key, otherwise NULL */ -UNIV_INTERN -dict_foreign_t* -dict_table_get_referenced_constraint( -/*=================================*/ - dict_table_t* table, /*!< in: InnoDB table */ - dict_index_t* index); /*!< in: InnoDB index */ -/*********************************************************************//** -Checks if a table is referenced by foreign keys. -@return TRUE if table is referenced by a foreign key */ -UNIV_INTERN -ibool -dict_table_is_referenced_by_foreign_key( -/*====================================*/ - const dict_table_t* table); /*!< in: InnoDB table */ -/**********************************************************************//** -Replace the index in the foreign key list that matches this index's -definition with an equivalent index. */ -UNIV_INTERN -void -dict_table_replace_index_in_foreign_list( -/*=====================================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index); /*!< in: index to be replaced */ -/*********************************************************************//** -Checks if a index is defined for a foreign key constraint. Index is a part -of a foreign key constraint if the index is referenced by foreign key -or index is a foreign key index -@return pointer to foreign key struct if index is defined for foreign -key, otherwise NULL */ -UNIV_INTERN -dict_foreign_t* -dict_table_get_foreign_constraint( -/*==============================*/ - dict_table_t* table, /*!< in: InnoDB table */ - dict_index_t* index); /*!< in: InnoDB index */ -/*********************************************************************//** -Scans a table create SQL string and adds to the data dictionary -the foreign key constraints declared in the string. This function -should be called after the indexes for a table have been created. -Each foreign key constraint must be accompanied with indexes in -bot participating tables. The indexes are allowed to contain more -fields than mentioned in the constraint. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -dict_create_foreign_constraints( -/*============================*/ - trx_t* trx, /*!< in: transaction */ - const char* sql_string, /*!< in: table create statement where - foreign keys are declared like: - FOREIGN KEY (a, b) REFERENCES - table2(c, d), table2 can be written - also with the database - name before it: test.table2; the - default database id the database of - parameter name */ - const char* name, /*!< in: table full name in the - normalized form - database_name/table_name */ - ibool reject_fks); /*!< in: if TRUE, fail with error - code DB_CANNOT_ADD_CONSTRAINT if - any foreign keys are found. */ -/**********************************************************************//** -Parses the CONSTRAINT id's to be dropped in an ALTER TABLE statement. -@return DB_SUCCESS or DB_CANNOT_DROP_CONSTRAINT if syntax error or the -constraint id does not match */ -UNIV_INTERN -ulint -dict_foreign_parse_drop_constraints( -/*================================*/ - mem_heap_t* heap, /*!< in: heap from which we can - allocate memory */ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table, /*!< in: table */ - ulint* n, /*!< out: number of constraints - to drop */ - const char*** constraints_to_drop); /*!< out: id's of the - constraints to drop */ -/**********************************************************************//** -Returns a table object and optionally increment its MySQL open handle count. -NOTE! This is a high-level function to be used mainly from outside the -'dict' directory. Inside this directory dict_table_get_low is usually the -appropriate function. -@return table, NULL if does not exist */ -UNIV_INTERN -dict_table_t* -dict_table_get( -/*===========*/ - const char* table_name, /*!< in: table name */ - ibool inc_mysql_count); - /*!< in: whether to increment the open - handle count on the table */ -/**********************************************************************//** -Returns a index object, based on table and index id, and memoryfixes it. -@return index, NULL if does not exist */ -UNIV_INTERN -dict_index_t* -dict_index_get_on_id_low( -/*=====================*/ - dict_table_t* table, /*!< in: table */ - dulint index_id); /*!< in: index id */ -/**********************************************************************//** -Checks if a table is in the dictionary cache. -@return table, NULL if not found */ - -UNIV_INLINE -dict_table_t* -dict_table_check_if_in_cache_low( -/*=============================*/ - const char* table_name); /*!< in: table name */ -/**********************************************************************//** -Gets a table; loads it to the dictionary cache if necessary. A low-level -function. -@return table, NULL if not found */ -UNIV_INLINE -dict_table_t* -dict_table_get_low( -/*===============*/ - const char* table_name); /*!< in: table name */ -/**********************************************************************//** -Returns a table object based on table id. -@return table, NULL if does not exist */ -UNIV_INLINE -dict_table_t* -dict_table_get_on_id_low( -/*=====================*/ - dulint table_id); /*!< in: table id */ -/**********************************************************************//** -Find an index that is equivalent to the one passed in and is not marked -for deletion. -@return index equivalent to foreign->foreign_index, or NULL */ -UNIV_INTERN -dict_index_t* -dict_foreign_find_equiv_index( -/*==========================*/ - dict_foreign_t* foreign);/*!< in: foreign key */ -/**********************************************************************//** -Returns an index object by matching on the name and column names and -if more than one index matches return the index with the max id -@return matching index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_by_max_id( -/*===========================*/ - dict_table_t* table, /*!< in: table */ - const char* name, /*!< in: the index name to find */ - const char** columns,/*!< in: array of column names */ - ulint n_cols);/*!< in: number of columns */ -/**********************************************************************//** -Returns a column's name. -@return column name. NOTE: not guaranteed to stay valid if table is -modified in any way (columns added, etc.). */ -UNIV_INTERN -const char* -dict_table_get_col_name( -/*====================*/ - const dict_table_t* table, /*!< in: table */ - ulint col_nr);/*!< in: column number */ - -/**********************************************************************//** -Prints a table definition. */ -UNIV_INTERN -void -dict_table_print( -/*=============*/ - dict_table_t* table); /*!< in: table */ -/**********************************************************************//** -Prints a table data. */ -UNIV_INTERN -void -dict_table_print_low( -/*=================*/ - dict_table_t* table); /*!< in: table */ -/**********************************************************************//** -Prints a table data when we know the table name. */ -UNIV_INTERN -void -dict_table_print_by_name( -/*=====================*/ - const char* name); /*!< in: table name */ -/**********************************************************************//** -Outputs info on foreign keys of a table. */ -UNIV_INTERN -void -dict_print_info_on_foreign_keys( -/*============================*/ - ibool create_table_format, /*!< in: if TRUE then print in - a format suitable to be inserted into - a CREATE TABLE, otherwise in the format - of SHOW TABLE STATUS */ - FILE* file, /*!< in: file where to print */ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table); /*!< in: table */ -/**********************************************************************//** -Outputs info on a foreign key of a table in a format suitable for -CREATE TABLE. */ -UNIV_INTERN -void -dict_print_info_on_foreign_key_in_create_format( -/*============================================*/ - FILE* file, /*!< in: file where to print */ - trx_t* trx, /*!< in: transaction */ - dict_foreign_t* foreign, /*!< in: foreign key constraint */ - ibool add_newline); /*!< in: whether to add a newline */ -/********************************************************************//** -Displays the names of the index and the table. */ -UNIV_INTERN -void -dict_index_name_print( -/*==================*/ - FILE* file, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction */ - const dict_index_t* index); /*!< in: index to print */ -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the first index on the table (the clustered index). -@return index, NULL if none exists */ -UNIV_INLINE -dict_index_t* -dict_table_get_first_index( -/*=======================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Gets the next index on the table. -@return index, NULL if none left */ -UNIV_INLINE -dict_index_t* -dict_table_get_next_index( -/*======================*/ - const dict_index_t* index); /*!< in: index */ -#else /* UNIV_DEBUG */ -# define dict_table_get_first_index(table) UT_LIST_GET_FIRST((table)->indexes) -# define dict_table_get_next_index(index) UT_LIST_GET_NEXT(indexes, index) -#endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Check whether the index is the clustered index. -@return nonzero for clustered index, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_clust( -/*================*/ - const dict_index_t* index) /*!< in: index */ - __attribute__((pure)); -/********************************************************************//** -Check whether the index is unique. -@return nonzero for unique index, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_unique( -/*=================*/ - const dict_index_t* index) /*!< in: index */ - __attribute__((pure)); -/********************************************************************//** -Check whether the index is the insert buffer tree. -@return nonzero for insert buffer, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_ibuf( -/*===============*/ - const dict_index_t* index) /*!< in: index */ - __attribute__((pure)); -/********************************************************************//** -Check whether the index is a secondary index or the insert buffer tree. -@return nonzero for insert buffer, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_sec_or_ibuf( -/*======================*/ - const dict_index_t* index) /*!< in: index */ - __attribute__((pure)); - -/********************************************************************//** -Gets the number of user-defined columns in a table in the dictionary -cache. -@return number of user-defined (e.g., not ROW_ID) columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_user_cols( -/*=======================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Gets the number of system columns in a table in the dictionary cache. -@return number of system (e.g., ROW_ID) columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_sys_cols( -/*======================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Gets the number of all columns (also system) in a table in the dictionary -cache. -@return number of columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_cols( -/*==================*/ - const dict_table_t* table); /*!< in: table */ -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the nth column of a table. -@return pointer to column object */ -UNIV_INLINE -dict_col_t* -dict_table_get_nth_col( -/*===================*/ - const dict_table_t* table, /*!< in: table */ - ulint pos); /*!< in: position of column */ -/********************************************************************//** -Gets the given system column of a table. -@return pointer to column object */ -UNIV_INLINE -dict_col_t* -dict_table_get_sys_col( -/*===================*/ - const dict_table_t* table, /*!< in: table */ - ulint sys); /*!< in: DATA_ROW_ID, ... */ -#else /* UNIV_DEBUG */ -#define dict_table_get_nth_col(table, pos) \ -((table)->cols + (pos)) -#define dict_table_get_sys_col(table, sys) \ -((table)->cols + (table)->n_cols + (sys) - DATA_N_SYS_COLS) -#endif /* UNIV_DEBUG */ -/********************************************************************//** -Gets the given system column number of a table. -@return column number */ -UNIV_INLINE -ulint -dict_table_get_sys_col_no( -/*======================*/ - const dict_table_t* table, /*!< in: table */ - ulint sys); /*!< in: DATA_ROW_ID, ... */ -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Returns the minimum data size of an index record. -@return minimum data size in bytes */ -UNIV_INLINE -ulint -dict_index_get_min_size( -/*====================*/ - const dict_index_t* index); /*!< in: index */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Check whether the table uses the compact page format. -@return TRUE if table uses the compact page format */ -UNIV_INLINE -ibool -dict_table_is_comp( -/*===============*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Determine the file format of a table. -@return file format version */ -UNIV_INLINE -ulint -dict_table_get_format( -/*==================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Set the file format of a table. */ -UNIV_INLINE -void -dict_table_set_format( -/*==================*/ - dict_table_t* table, /*!< in/out: table */ - ulint format);/*!< in: file format version */ -/********************************************************************//** -Extract the compressed page size from table flags. -@return compressed page size, or 0 if not compressed */ -UNIV_INLINE -ulint -dict_table_flags_to_zip_size( -/*=========================*/ - ulint flags) /*!< in: flags */ - __attribute__((const)); -/********************************************************************//** -Check whether the table uses the compressed compact page format. -@return compressed page size, or 0 if not compressed */ -UNIV_INLINE -ulint -dict_table_zip_size( -/*================*/ - const dict_table_t* table); /*!< in: table */ -/********************************************************************//** -Checks if a column is in the ordering columns of the clustered index of a -table. Column prefixes are treated like whole columns. -@return TRUE if the column, or its prefix, is in the clustered key */ -UNIV_INTERN -ibool -dict_table_col_in_clustered_key( -/*============================*/ - const dict_table_t* table, /*!< in: table */ - ulint n); /*!< in: column number */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Copies types of columns contained in table to tuple and sets all -fields of the tuple to the SQL NULL value. This function should -be called right after dtuple_create(). */ -UNIV_INTERN -void -dict_table_copy_types( -/*==================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const dict_table_t* table); /*!< in: table */ -/**********************************************************************//** -Looks for an index with the given id. NOTE that we do not reserve -the dictionary mutex: this function is for emergency purposes like -printing info of a corrupt database page! -@return index or NULL if not found from cache */ -UNIV_INTERN -dict_index_t* -dict_index_find_on_id_low( -/*======================*/ - dulint id); /*!< in: index id */ -/**********************************************************************//** -Adds an index to the dictionary cache. -@return DB_SUCCESS, DB_TOO_BIG_RECORD, or DB_CORRUPTION */ -UNIV_INTERN -ulint -dict_index_add_to_cache( -/*====================*/ - dict_table_t* table, /*!< in: table on which the index is */ - dict_index_t* index, /*!< in, own: index; NOTE! The index memory - object is freed in this function! */ - ulint page_no,/*!< in: root page number of the index */ - ibool strict);/*!< in: TRUE=refuse to create the index - if records could be too big to fit in - an B-tree page */ -/**********************************************************************//** -Removes an index from the dictionary cache. */ -UNIV_INTERN -void -dict_index_remove_from_cache( -/*=========================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index); /*!< in, own: index */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Gets the number of fields in the internal representation of an index, -including fields added by the dictionary system. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_fields( -/*====================*/ - const dict_index_t* index); /*!< in: an internal - representation of index (in - the dictionary cache) */ -/********************************************************************//** -Gets the number of fields in the internal representation of an index -that uniquely determine the position of an index entry in the index, if -we do not take multiversioning into account: in the B-tree use the value -returned by dict_index_get_n_unique_in_tree. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_unique( -/*====================*/ - const dict_index_t* index); /*!< in: an internal representation - of index (in the dictionary cache) */ -/********************************************************************//** -Gets the number of fields in the internal representation of an index -which uniquely determine the position of an index entry in the index, if -we also take multiversioning into account. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_unique_in_tree( -/*============================*/ - const dict_index_t* index); /*!< in: an internal representation - of index (in the dictionary cache) */ -/********************************************************************//** -Gets the number of user-defined ordering fields in the index. In the internal -representation we add the row id to the ordering fields to make all indexes -unique, but this function returns the number of fields the user defined -in the index as ordering fields. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_ordering_defined_by_user( -/*======================================*/ - const dict_index_t* index); /*!< in: an internal representation - of index (in the dictionary cache) */ -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the nth field of an index. -@return pointer to field object */ -UNIV_INLINE -dict_field_t* -dict_index_get_nth_field( -/*=====================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos); /*!< in: position of field */ -#else /* UNIV_DEBUG */ -# define dict_index_get_nth_field(index, pos) ((index)->fields + (pos)) -#endif /* UNIV_DEBUG */ -/********************************************************************//** -Gets pointer to the nth column in an index. -@return column */ -UNIV_INLINE -const dict_col_t* -dict_index_get_nth_col( -/*===================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos); /*!< in: position of the field */ -/********************************************************************//** -Gets the column number of the nth field in an index. -@return column number */ -UNIV_INLINE -ulint -dict_index_get_nth_col_no( -/*======================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos); /*!< in: position of the field */ -/********************************************************************//** -Looks for column n in an index. -@return position in internal representation of the index; -ULINT_UNDEFINED if not contained */ -UNIV_INTERN -ulint -dict_index_get_nth_col_pos( -/*=======================*/ - const dict_index_t* index, /*!< in: index */ - ulint n); /*!< in: column number */ -/********************************************************************//** -Returns TRUE if the index contains a column or a prefix of that column. -@return TRUE if contains the column or its prefix */ -UNIV_INTERN -ibool -dict_index_contains_col_or_prefix( -/*==============================*/ - const dict_index_t* index, /*!< in: index */ - ulint n); /*!< in: column number */ -/********************************************************************//** -Looks for a matching field in an index. The column has to be the same. The -column in index must be complete, or must contain a prefix longer than the -column in index2. That is, we must be able to construct the prefix in index2 -from the prefix in index. -@return position in internal representation of the index; -ULINT_UNDEFINED if not contained */ -UNIV_INTERN -ulint -dict_index_get_nth_field_pos( -/*=========================*/ - const dict_index_t* index, /*!< in: index from which to search */ - const dict_index_t* index2, /*!< in: index */ - ulint n); /*!< in: field number in index2 */ -/********************************************************************//** -Looks for column n position in the clustered index. -@return position in internal representation of the clustered index */ -UNIV_INTERN -ulint -dict_table_get_nth_col_pos( -/*=======================*/ - const dict_table_t* table, /*!< in: table */ - ulint n); /*!< in: column number */ -/********************************************************************//** -Returns the position of a system column in an index. -@return position, ULINT_UNDEFINED if not contained */ -UNIV_INLINE -ulint -dict_index_get_sys_col_pos( -/*=======================*/ - const dict_index_t* index, /*!< in: index */ - ulint type); /*!< in: DATA_ROW_ID, ... */ -/*******************************************************************//** -Adds a column to index. */ -UNIV_INTERN -void -dict_index_add_col( -/*===============*/ - dict_index_t* index, /*!< in/out: index */ - const dict_table_t* table, /*!< in: table */ - dict_col_t* col, /*!< in: column */ - ulint prefix_len); /*!< in: column prefix length */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Copies types of fields contained in index to tuple. */ -UNIV_INTERN -void -dict_index_copy_types( -/*==================*/ - dtuple_t* tuple, /*!< in/out: data tuple */ - const dict_index_t* index, /*!< in: index */ - ulint n_fields); /*!< in: number of - field types to copy */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Gets the field column. -@return field->col, pointer to the table column */ -UNIV_INLINE -const dict_col_t* -dict_field_get_col( -/*===============*/ - const dict_field_t* field); /*!< in: index field */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Returns an index object if it is found in the dictionary cache. -Assumes that dict_sys->mutex is already being held. -@return index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_index_get_if_in_cache_low( -/*===========================*/ - dulint index_id); /*!< in: index id */ -#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/**********************************************************************//** -Returns an index object if it is found in the dictionary cache. -@return index, NULL if not found */ -UNIV_INTERN -dict_index_t* -dict_index_get_if_in_cache( -/*=======================*/ - dulint index_id); /*!< in: index id */ -#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ -#ifdef UNIV_DEBUG -/**********************************************************************//** -Checks that a tuple has n_fields_cmp value in a sensible range, so that -no comparison can occur with the page number field in a node pointer. -@return TRUE if ok */ -UNIV_INTERN -ibool -dict_index_check_search_tuple( -/*==========================*/ - const dict_index_t* index, /*!< in: index tree */ - const dtuple_t* tuple); /*!< in: tuple used in a search */ -/**********************************************************************//** -Check for duplicate index entries in a table [using the index name] */ -UNIV_INTERN -void -dict_table_check_for_dup_indexes( -/*=============================*/ - const dict_table_t* table); /*!< in: Check for dup indexes - in this table */ - -#endif /* UNIV_DEBUG */ -/**********************************************************************//** -Builds a node pointer out of a physical record and a page number. -@return own: node pointer */ -UNIV_INTERN -dtuple_t* -dict_index_build_node_ptr( -/*======================*/ - const dict_index_t* index, /*!< in: index */ - const rec_t* rec, /*!< in: record for which to build node - pointer */ - ulint page_no,/*!< in: page number to put in node - pointer */ - mem_heap_t* heap, /*!< in: memory heap where pointer - created */ - ulint level); /*!< in: level of rec in tree: - 0 means leaf level */ -/**********************************************************************//** -Copies an initial segment of a physical record, long enough to specify an -index entry uniquely. -@return pointer to the prefix record */ -UNIV_INTERN -rec_t* -dict_index_copy_rec_order_prefix( -/*=============================*/ - const dict_index_t* index, /*!< in: index */ - const rec_t* rec, /*!< in: record for which to - copy prefix */ - ulint* n_fields,/*!< out: number of fields copied */ - byte** buf, /*!< in/out: memory buffer for the - copied prefix, or NULL */ - ulint* buf_size);/*!< in/out: buffer size */ -/**********************************************************************//** -Builds a typed data tuple out of a physical record. -@return own: data tuple */ -UNIV_INTERN -dtuple_t* -dict_index_build_data_tuple( -/*========================*/ - dict_index_t* index, /*!< in: index */ - rec_t* rec, /*!< in: record for which to build data tuple */ - ulint n_fields,/*!< in: number of data fields */ - mem_heap_t* heap); /*!< in: memory heap where tuple created */ -/*********************************************************************//** -Gets the space id of the root of the index tree. -@return space id */ -UNIV_INLINE -ulint -dict_index_get_space( -/*=================*/ - const dict_index_t* index); /*!< in: index */ -/*********************************************************************//** -Sets the space id of the root of the index tree. */ -UNIV_INLINE -void -dict_index_set_space( -/*=================*/ - dict_index_t* index, /*!< in/out: index */ - ulint space); /*!< in: space id */ -/*********************************************************************//** -Gets the page number of the root of the index tree. -@return page number */ -UNIV_INLINE -ulint -dict_index_get_page( -/*================*/ - const dict_index_t* tree); /*!< in: index */ -/*********************************************************************//** -Sets the page number of the root of index tree. */ -UNIV_INLINE -void -dict_index_set_page( -/*================*/ - dict_index_t* index, /*!< in/out: index */ - ulint page); /*!< in: page number */ -/*********************************************************************//** -Gets the read-write lock of the index tree. -@return read-write lock */ -UNIV_INLINE -rw_lock_t* -dict_index_get_lock( -/*================*/ - dict_index_t* index); /*!< in: index */ -/********************************************************************//** -Returns free space reserved for future updates of records. This is -relevant only in the case of many consecutive inserts, as updates -which make the records bigger might fragment the index. -@return number of free bytes on page, reserved for updates */ -UNIV_INLINE -ulint -dict_index_get_space_reserve(void); -/*==============================*/ -/*********************************************************************//** -Calculates the minimum record length in an index. */ -UNIV_INTERN -ulint -dict_index_calc_min_rec_len( -/*========================*/ - const dict_index_t* index); /*!< in: index */ -/*********************************************************************//** -Calculates new estimates for table and index statistics. The statistics -are used in query optimization. */ -UNIV_INTERN -void -dict_update_statistics_low( -/*=======================*/ - dict_table_t* table, /*!< in/out: table */ - ibool has_dict_mutex);/*!< in: TRUE if the caller has the - dictionary mutex */ -/*********************************************************************//** -Calculates new estimates for table and index statistics. The statistics -are used in query optimization. */ -UNIV_INTERN -void -dict_update_statistics( -/*===================*/ - dict_table_t* table); /*!< in/out: table */ -/********************************************************************//** -Reserves the dictionary system mutex for MySQL. */ -UNIV_INTERN -void -dict_mutex_enter_for_mysql(void); -/*============================*/ -/********************************************************************//** -Releases the dictionary system mutex for MySQL. */ -UNIV_INTERN -void -dict_mutex_exit_for_mysql(void); -/*===========================*/ -/********************************************************************//** -Checks if the database name in two table names is the same. -@return TRUE if same db name */ -UNIV_INTERN -ibool -dict_tables_have_same_db( -/*=====================*/ - const char* name1, /*!< in: table name in the form - dbname '/' tablename */ - const char* name2); /*!< in: table name in the form - dbname '/' tablename */ -/*********************************************************************//** -Removes an index from the cache */ -UNIV_INTERN -void -dict_index_remove_from_cache( -/*=========================*/ - dict_table_t* table, /*!< in/out: table */ - dict_index_t* index); /*!< in, own: index */ -/**********************************************************************//** -Get index by name -@return index, NULL if does not exist */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_on_name( -/*=========================*/ - dict_table_t* table, /*!< in: table */ - const char* name); /*!< in: name of the index to find */ -/**********************************************************************//** -In case there is more than one index with the same name return the index -with the min(id). -@return index, NULL if does not exist */ -UNIV_INTERN -dict_index_t* -dict_table_get_index_on_name_and_min_id( -/*====================================*/ - dict_table_t* table, /*!< in: table */ - const char* name); /*!< in: name of the index to find */ -/* Buffers for storing detailed information about the latest foreign key -and unique key errors */ -extern FILE* dict_foreign_err_file; -extern mutex_t dict_foreign_err_mutex; /* mutex protecting the buffers */ - -/** the dictionary system */ -extern dict_sys_t* dict_sys; -/** the data dictionary rw-latch protecting dict_sys */ -extern rw_lock_t dict_operation_lock; - -/* Dictionary system struct */ -struct dict_sys_struct{ - mutex_t mutex; /*!< mutex protecting the data - dictionary; protects also the - disk-based dictionary system tables; - this mutex serializes CREATE TABLE - and DROP TABLE, as well as reading - the dictionary data for a table from - system tables */ - dulint row_id; /*!< the next row id to assign; - NOTE that at a checkpoint this - must be written to the dict system - header and flushed to a file; in - recovery this must be derived from - the log records */ - hash_table_t* table_hash; /*!< hash table of the tables, based - on name */ - hash_table_t* table_id_hash; /*!< hash table of the tables, based - on id */ - UT_LIST_BASE_NODE_T(dict_table_t) - table_LRU; /*!< LRU list of tables */ - ulint size; /*!< varying space in bytes occupied - by the data dictionary table and - index objects */ - dict_table_t* sys_tables; /*!< SYS_TABLES table */ - dict_table_t* sys_columns; /*!< SYS_COLUMNS table */ - dict_table_t* sys_indexes; /*!< SYS_INDEXES table */ - dict_table_t* sys_fields; /*!< SYS_FIELDS table */ -}; -#endif /* !UNIV_HOTBACKUP */ - -/** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */ -extern dict_index_t* dict_ind_redundant; -/** dummy index for ROW_FORMAT=COMPACT supremum and infimum records */ -extern dict_index_t* dict_ind_compact; - -/**********************************************************************//** -Inits dict_ind_redundant and dict_ind_compact. */ -UNIV_INTERN -void -dict_ind_init(void); -/*===============*/ - -/**********************************************************************//** -Closes the data dictionary module. */ -UNIV_INTERN -void -dict_close(void); -/*============*/ - -#ifndef UNIV_NONINL -#include "dict0dict.ic" -#endif - -#endif diff --git a/perfschema/include/dict0dict.ic b/perfschema/include/dict0dict.ic deleted file mode 100644 index 46e78df8272..00000000000 --- a/perfschema/include/dict0dict.ic +++ /dev/null @@ -1,806 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/dict0dict.ic -Data dictionary system - -Created 1/8/1996 Heikki Tuuri -***********************************************************************/ - -#include "data0type.h" -#ifndef UNIV_HOTBACKUP -#include "dict0load.h" -#include "rem0types.h" - -/*********************************************************************//** -Gets the column data type. */ -UNIV_INLINE -void -dict_col_copy_type( -/*===============*/ - const dict_col_t* col, /*!< in: column */ - dtype_t* type) /*!< out: data type */ -{ - ut_ad(col && type); - - type->mtype = col->mtype; - type->prtype = col->prtype; - type->len = col->len; - type->mbminlen = col->mbminlen; - type->mbmaxlen = col->mbmaxlen; -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Assert that a column and a data type match. -@return TRUE */ -UNIV_INLINE -ibool -dict_col_type_assert_equal( -/*=======================*/ - const dict_col_t* col, /*!< in: column */ - const dtype_t* type) /*!< in: data type */ -{ - ut_ad(col); - ut_ad(type); - - ut_ad(col->mtype == type->mtype); - ut_ad(col->prtype == type->prtype); - ut_ad(col->len == type->len); -# ifndef UNIV_HOTBACKUP - ut_ad(col->mbminlen == type->mbminlen); - ut_ad(col->mbmaxlen == type->mbmaxlen); -# endif /* !UNIV_HOTBACKUP */ - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Returns the minimum size of the column. -@return minimum size */ -UNIV_INLINE -ulint -dict_col_get_min_size( -/*==================*/ - const dict_col_t* col) /*!< in: column */ -{ - return(dtype_get_min_size_low(col->mtype, col->prtype, col->len, - col->mbminlen, col->mbmaxlen)); -} -/***********************************************************************//** -Returns the maximum size of the column. -@return maximum size */ -UNIV_INLINE -ulint -dict_col_get_max_size( -/*==================*/ - const dict_col_t* col) /*!< in: column */ -{ - return(dtype_get_max_size_low(col->mtype, col->len)); -} -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************************//** -Returns the size of a fixed size column, 0 if not a fixed size column. -@return fixed size, or 0 */ -UNIV_INLINE -ulint -dict_col_get_fixed_size( -/*====================*/ - const dict_col_t* col, /*!< in: column */ - ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ -{ - return(dtype_get_fixed_size_low(col->mtype, col->prtype, col->len, - col->mbminlen, col->mbmaxlen, comp)); -} -/***********************************************************************//** -Returns the ROW_FORMAT=REDUNDANT stored SQL NULL size of a column. -For fixed length types it is the fixed length of the type, otherwise 0. -@return SQL null storage size in ROW_FORMAT=REDUNDANT */ -UNIV_INLINE -ulint -dict_col_get_sql_null_size( -/*=======================*/ - const dict_col_t* col, /*!< in: column */ - ulint comp) /*!< in: nonzero=ROW_FORMAT=COMPACT */ -{ - return(dict_col_get_fixed_size(col, comp)); -} - -/*********************************************************************//** -Gets the column number. -@return col->ind, table column position (starting from 0) */ -UNIV_INLINE -ulint -dict_col_get_no( -/*============*/ - const dict_col_t* col) /*!< in: column */ -{ - ut_ad(col); - - return(col->ind); -} - -/*********************************************************************//** -Gets the column position in the clustered index. */ -UNIV_INLINE -ulint -dict_col_get_clust_pos( -/*===================*/ - const dict_col_t* col, /*!< in: table column */ - const dict_index_t* clust_index) /*!< in: clustered index */ -{ - ulint i; - - ut_ad(col); - ut_ad(clust_index); - ut_ad(dict_index_is_clust(clust_index)); - - for (i = 0; i < clust_index->n_def; i++) { - const dict_field_t* field = &clust_index->fields[i]; - - if (!field->prefix_len && field->col == col) { - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -#ifndef UNIV_HOTBACKUP -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the first index on the table (the clustered index). -@return index, NULL if none exists */ -UNIV_INLINE -dict_index_t* -dict_table_get_first_index( -/*=======================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - return(UT_LIST_GET_FIRST(((dict_table_t*) table)->indexes)); -} - -/********************************************************************//** -Gets the next index on the table. -@return index, NULL if none left */ -UNIV_INLINE -dict_index_t* -dict_table_get_next_index( -/*======================*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(UT_LIST_GET_NEXT(indexes, (dict_index_t*) index)); -} -#endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Check whether the index is the clustered index. -@return nonzero for clustered index, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_clust( -/*================*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(UNIV_UNLIKELY(index->type & DICT_CLUSTERED)); -} -/********************************************************************//** -Check whether the index is unique. -@return nonzero for unique index, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_unique( -/*=================*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(UNIV_UNLIKELY(index->type & DICT_UNIQUE)); -} - -/********************************************************************//** -Check whether the index is the insert buffer tree. -@return nonzero for insert buffer, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_ibuf( -/*===============*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(UNIV_UNLIKELY(index->type & DICT_IBUF)); -} - -/********************************************************************//** -Check whether the index is a secondary index or the insert buffer tree. -@return nonzero for insert buffer, zero for other indexes */ -UNIV_INLINE -ulint -dict_index_is_sec_or_ibuf( -/*======================*/ - const dict_index_t* index) /*!< in: index */ -{ - ulint type; - - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - type = index->type; - - return(UNIV_LIKELY(!(type & DICT_CLUSTERED) || (type & DICT_IBUF))); -} - -/********************************************************************//** -Gets the number of user-defined columns in a table in the dictionary -cache. -@return number of user-defined (e.g., not ROW_ID) columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_user_cols( -/*=======================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - return(table->n_cols - DATA_N_SYS_COLS); -} - -/********************************************************************//** -Gets the number of system columns in a table in the dictionary cache. -@return number of system (e.g., ROW_ID) columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_sys_cols( -/*======================*/ - const dict_table_t* table __attribute__((unused))) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - ut_ad(table->cached); - - return(DATA_N_SYS_COLS); -} - -/********************************************************************//** -Gets the number of all columns (also system) in a table in the dictionary -cache. -@return number of columns of a table */ -UNIV_INLINE -ulint -dict_table_get_n_cols( -/*==================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - return(table->n_cols); -} - -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the nth column of a table. -@return pointer to column object */ -UNIV_INLINE -dict_col_t* -dict_table_get_nth_col( -/*===================*/ - const dict_table_t* table, /*!< in: table */ - ulint pos) /*!< in: position of column */ -{ - ut_ad(table); - ut_ad(pos < table->n_def); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - return((dict_col_t*) (table->cols) + pos); -} - -/********************************************************************//** -Gets the given system column of a table. -@return pointer to column object */ -UNIV_INLINE -dict_col_t* -dict_table_get_sys_col( -/*===================*/ - const dict_table_t* table, /*!< in: table */ - ulint sys) /*!< in: DATA_ROW_ID, ... */ -{ - dict_col_t* col; - - ut_ad(table); - ut_ad(sys < DATA_N_SYS_COLS); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - col = dict_table_get_nth_col(table, table->n_cols - - DATA_N_SYS_COLS + sys); - ut_ad(col->mtype == DATA_SYS); - ut_ad(col->prtype == (sys | DATA_NOT_NULL)); - - return(col); -} -#endif /* UNIV_DEBUG */ - -/********************************************************************//** -Gets the given system column number of a table. -@return column number */ -UNIV_INLINE -ulint -dict_table_get_sys_col_no( -/*======================*/ - const dict_table_t* table, /*!< in: table */ - ulint sys) /*!< in: DATA_ROW_ID, ... */ -{ - ut_ad(table); - ut_ad(sys < DATA_N_SYS_COLS); - ut_ad(table->magic_n == DICT_TABLE_MAGIC_N); - - return(table->n_cols - DATA_N_SYS_COLS + sys); -} - -/********************************************************************//** -Check whether the table uses the compact page format. -@return TRUE if table uses the compact page format */ -UNIV_INLINE -ibool -dict_table_is_comp( -/*===============*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - -#if DICT_TF_COMPACT != TRUE -#error -#endif - - return(UNIV_LIKELY(table->flags & DICT_TF_COMPACT)); -} - -/********************************************************************//** -Determine the file format of a table. -@return file format version */ -UNIV_INLINE -ulint -dict_table_get_format( -/*==================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - - return((table->flags & DICT_TF_FORMAT_MASK) >> DICT_TF_FORMAT_SHIFT); -} - -/********************************************************************//** -Determine the file format of a table. */ -UNIV_INLINE -void -dict_table_set_format( -/*==================*/ - dict_table_t* table, /*!< in/out: table */ - ulint format) /*!< in: file format version */ -{ - ut_ad(table); - - table->flags = (table->flags & ~DICT_TF_FORMAT_MASK) - | (format << DICT_TF_FORMAT_SHIFT); -} - -/********************************************************************//** -Extract the compressed page size from table flags. -@return compressed page size, or 0 if not compressed */ -UNIV_INLINE -ulint -dict_table_flags_to_zip_size( -/*=========================*/ - ulint flags) /*!< in: flags */ -{ - ulint zip_size = flags & DICT_TF_ZSSIZE_MASK; - - if (UNIV_UNLIKELY(zip_size)) { - zip_size = ((PAGE_ZIP_MIN_SIZE >> 1) - << (zip_size >> DICT_TF_ZSSIZE_SHIFT)); - - ut_ad(zip_size <= UNIV_PAGE_SIZE); - } - - return(zip_size); -} - -/********************************************************************//** -Check whether the table uses the compressed compact page format. -@return compressed page size, or 0 if not compressed */ -UNIV_INLINE -ulint -dict_table_zip_size( -/*================*/ - const dict_table_t* table) /*!< in: table */ -{ - ut_ad(table); - - return(dict_table_flags_to_zip_size(table->flags)); -} - -/********************************************************************//** -Gets the number of fields in the internal representation of an index, -including fields added by the dictionary system. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_fields( -/*====================*/ - const dict_index_t* index) /*!< in: an internal - representation of index (in - the dictionary cache) */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(index->n_fields); -} - -/********************************************************************//** -Gets the number of fields in the internal representation of an index -that uniquely determine the position of an index entry in the index, if -we do not take multiversioning into account: in the B-tree use the value -returned by dict_index_get_n_unique_in_tree. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_unique( -/*====================*/ - const dict_index_t* index) /*!< in: an internal representation - of index (in the dictionary cache) */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - ut_ad(index->cached); - - return(index->n_uniq); -} - -/********************************************************************//** -Gets the number of fields in the internal representation of an index -which uniquely determine the position of an index entry in the index, if -we also take multiversioning into account. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_unique_in_tree( -/*============================*/ - const dict_index_t* index) /*!< in: an internal representation - of index (in the dictionary cache) */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - ut_ad(index->cached); - - if (dict_index_is_clust(index)) { - - return(dict_index_get_n_unique(index)); - } - - return(dict_index_get_n_fields(index)); -} - -/********************************************************************//** -Gets the number of user-defined ordering fields in the index. In the internal -representation of clustered indexes we add the row id to the ordering fields -to make a clustered index unique, but this function returns the number of -fields the user defined in the index as ordering fields. -@return number of fields */ -UNIV_INLINE -ulint -dict_index_get_n_ordering_defined_by_user( -/*======================================*/ - const dict_index_t* index) /*!< in: an internal representation - of index (in the dictionary cache) */ -{ - return(index->n_user_defined_cols); -} - -#ifdef UNIV_DEBUG -/********************************************************************//** -Gets the nth field of an index. -@return pointer to field object */ -UNIV_INLINE -dict_field_t* -dict_index_get_nth_field( -/*=====================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos) /*!< in: position of field */ -{ - ut_ad(index); - ut_ad(pos < index->n_def); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return((dict_field_t*) (index->fields) + pos); -} -#endif /* UNIV_DEBUG */ - -/********************************************************************//** -Returns the position of a system column in an index. -@return position, ULINT_UNDEFINED if not contained */ -UNIV_INLINE -ulint -dict_index_get_sys_col_pos( -/*=======================*/ - const dict_index_t* index, /*!< in: index */ - ulint type) /*!< in: DATA_ROW_ID, ... */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - ut_ad(!(index->type & DICT_UNIVERSAL)); - - if (dict_index_is_clust(index)) { - - return(dict_col_get_clust_pos( - dict_table_get_sys_col(index->table, type), - index)); - } - - return(dict_index_get_nth_col_pos( - index, dict_table_get_sys_col_no(index->table, type))); -} - -/*********************************************************************//** -Gets the field column. -@return field->col, pointer to the table column */ -UNIV_INLINE -const dict_col_t* -dict_field_get_col( -/*===============*/ - const dict_field_t* field) /*!< in: index field */ -{ - ut_ad(field); - - return(field->col); -} - -/********************************************************************//** -Gets pointer to the nth column in an index. -@return column */ -UNIV_INLINE -const dict_col_t* -dict_index_get_nth_col( -/*===================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos) /*!< in: position of the field */ -{ - return(dict_field_get_col(dict_index_get_nth_field(index, pos))); -} - -/********************************************************************//** -Gets the column number the nth field in an index. -@return column number */ -UNIV_INLINE -ulint -dict_index_get_nth_col_no( -/*======================*/ - const dict_index_t* index, /*!< in: index */ - ulint pos) /*!< in: position of the field */ -{ - return(dict_col_get_no(dict_index_get_nth_col(index, pos))); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Returns the minimum data size of an index record. -@return minimum data size in bytes */ -UNIV_INLINE -ulint -dict_index_get_min_size( -/*====================*/ - const dict_index_t* index) /*!< in: index */ -{ - ulint n = dict_index_get_n_fields(index); - ulint size = 0; - - while (n--) { - size += dict_col_get_min_size(dict_index_get_nth_col(index, - n)); - } - - return(size); -} - -/*********************************************************************//** -Gets the space id of the root of the index tree. -@return space id */ -UNIV_INLINE -ulint -dict_index_get_space( -/*=================*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(index->space); -} - -/*********************************************************************//** -Sets the space id of the root of the index tree. */ -UNIV_INLINE -void -dict_index_set_space( -/*=================*/ - dict_index_t* index, /*!< in/out: index */ - ulint space) /*!< in: space id */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - index->space = space; -} - -/*********************************************************************//** -Gets the page number of the root of the index tree. -@return page number */ -UNIV_INLINE -ulint -dict_index_get_page( -/*================*/ - const dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(index->page); -} - -/*********************************************************************//** -Sets the page number of the root of index tree. */ -UNIV_INLINE -void -dict_index_set_page( -/*================*/ - dict_index_t* index, /*!< in/out: index */ - ulint page) /*!< in: page number */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - index->page = page; -} - -/*********************************************************************//** -Gets the read-write lock of the index tree. -@return read-write lock */ -UNIV_INLINE -rw_lock_t* -dict_index_get_lock( -/*================*/ - dict_index_t* index) /*!< in: index */ -{ - ut_ad(index); - ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); - - return(&(index->lock)); -} - -/********************************************************************//** -Returns free space reserved for future updates of records. This is -relevant only in the case of many consecutive inserts, as updates -which make the records bigger might fragment the index. -@return number of free bytes on page, reserved for updates */ -UNIV_INLINE -ulint -dict_index_get_space_reserve(void) -/*==============================*/ -{ - return(UNIV_PAGE_SIZE / 16); -} - -/**********************************************************************//** -Checks if a table is in the dictionary cache. -@return table, NULL if not found */ -UNIV_INLINE -dict_table_t* -dict_table_check_if_in_cache_low( -/*=============================*/ - const char* table_name) /*!< in: table name */ -{ - dict_table_t* table; - ulint table_fold; - - ut_ad(table_name); - ut_ad(mutex_own(&(dict_sys->mutex))); - - /* Look for the table name in the hash table */ - table_fold = ut_fold_string(table_name); - - HASH_SEARCH(name_hash, dict_sys->table_hash, table_fold, - dict_table_t*, table, ut_ad(table->cached), - !strcmp(table->name, table_name)); - return(table); -} - -/**********************************************************************//** -Gets a table; loads it to the dictionary cache if necessary. A low-level -function. -@return table, NULL if not found */ -UNIV_INLINE -dict_table_t* -dict_table_get_low( -/*===============*/ - const char* table_name) /*!< in: table name */ -{ - dict_table_t* table; - - ut_ad(table_name); - ut_ad(mutex_own(&(dict_sys->mutex))); - - table = dict_table_check_if_in_cache_low(table_name); - - if (table == NULL) { - table = dict_load_table(table_name); - } - - ut_ad(!table || table->cached); - - return(table); -} - -/**********************************************************************//** -Returns a table object based on table id. -@return table, NULL if does not exist */ -UNIV_INLINE -dict_table_t* -dict_table_get_on_id_low( -/*=====================*/ - dulint table_id) /*!< in: table id */ -{ - dict_table_t* table; - ulint fold; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - /* Look for the table name in the hash table */ - fold = ut_fold_dulint(table_id); - - HASH_SEARCH(id_hash, dict_sys->table_id_hash, fold, - dict_table_t*, table, ut_ad(table->cached), - !ut_dulint_cmp(table->id, table_id)); - if (table == NULL) { - table = dict_load_table_on_id(table_id); - } - - ut_ad(!table || table->cached); - - /* TODO: should get the type information from MySQL */ - - return(table); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/dict0load.h b/perfschema/include/dict0load.h deleted file mode 100644 index 60b8c1fb632..00000000000 --- a/perfschema/include/dict0load.h +++ /dev/null @@ -1,115 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0load.h -Loads to the memory cache database object definitions -from dictionary tables - -Created 4/24/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0load_h -#define dict0load_h - -#include "univ.i" -#include "dict0types.h" -#include "ut0byte.h" -#include "mem0mem.h" - -/********************************************************************//** -In a crash recovery we already have all the tablespace objects created. -This function compares the space id information in the InnoDB data dictionary -to what we already read with fil_load_single_table_tablespaces(). - -In a normal startup, we create the tablespace objects for every table in -InnoDB's data dictionary, if the corresponding .ibd file exists. -We also scan the biggest space id, and store it to fil_system. */ -UNIV_INTERN -void -dict_check_tablespaces_and_store_max_id( -/*====================================*/ - ibool in_crash_recovery); /*!< in: are we doing a crash recovery */ -/********************************************************************//** -Finds the first table name in the given database. -@return own: table name, NULL if does not exist; the caller must free -the memory in the string! */ -UNIV_INTERN -char* -dict_get_first_table_name_in_db( -/*============================*/ - const char* name); /*!< in: database name which ends to '/' */ -/********************************************************************//** -Loads a table definition and also all its index definitions, and also -the cluster definition if the table is a member in a cluster. Also loads -all foreign key constraints where the foreign key is in the table or where -a foreign key references columns in this table. -@return table, NULL if does not exist; if the table is stored in an -.ibd file, but the file does not exist, then we set the -ibd_file_missing flag TRUE in the table object we return */ -UNIV_INTERN -dict_table_t* -dict_load_table( -/*============*/ - const char* name); /*!< in: table name in the - databasename/tablename format */ -/***********************************************************************//** -Loads a table object based on the table id. -@return table; NULL if table does not exist */ -UNIV_INTERN -dict_table_t* -dict_load_table_on_id( -/*==================*/ - dulint table_id); /*!< in: table id */ -/********************************************************************//** -This function is called when the database is booted. -Loads system table index definitions except for the clustered index which -is added to the dictionary cache at booting before calling this function. */ -UNIV_INTERN -void -dict_load_sys_table( -/*================*/ - dict_table_t* table); /*!< in: system table */ -/***********************************************************************//** -Loads foreign key constraints where the table is either the foreign key -holder or where the table is referenced by a foreign key. Adds these -constraints to the data dictionary. Note that we know that the dictionary -cache already contains all constraints where the other relevant table is -already in the dictionary cache. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -dict_load_foreigns( -/*===============*/ - const char* table_name, /*!< in: table name */ - ibool check_charsets);/*!< in: TRUE=check charsets - compatibility */ -/********************************************************************//** -Prints to the standard output information on all tables found in the data -dictionary system table. */ -UNIV_INTERN -void -dict_print(void); -/*============*/ - - -#ifndef UNIV_NONINL -#include "dict0load.ic" -#endif - -#endif diff --git a/perfschema/include/dict0load.ic b/perfschema/include/dict0load.ic deleted file mode 100644 index ccc16db165b..00000000000 --- a/perfschema/include/dict0load.ic +++ /dev/null @@ -1,26 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0load.ic -Loads to the memory cache database object definitions -from dictionary tables - -Created 4/24/1996 Heikki Tuuri -*******************************************************/ - diff --git a/perfschema/include/dict0mem.h b/perfschema/include/dict0mem.h deleted file mode 100644 index 9996fb59a75..00000000000 --- a/perfschema/include/dict0mem.h +++ /dev/null @@ -1,555 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0mem.h -Data dictionary memory object creation - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0mem_h -#define dict0mem_h - -#include "univ.i" -#include "dict0types.h" -#include "data0type.h" -#include "mem0mem.h" -#include "rem0types.h" -#include "btr0types.h" -#ifndef UNIV_HOTBACKUP -# include "lock0types.h" -# include "que0types.h" -# include "sync0rw.h" -#endif /* !UNIV_HOTBACKUP */ -#include "ut0mem.h" -#include "ut0lst.h" -#include "ut0rnd.h" -#include "ut0byte.h" -#include "hash0hash.h" -#include "trx0types.h" - -/** Type flags of an index: OR'ing of the flags is allowed to define a -combination of types */ -/* @{ */ -#define DICT_CLUSTERED 1 /*!< clustered index */ -#define DICT_UNIQUE 2 /*!< unique index */ -#define DICT_UNIVERSAL 4 /*!< index which can contain records from any - other index */ -#define DICT_IBUF 8 /*!< insert buffer tree */ -/* @} */ - -/** Types for a table object */ -#define DICT_TABLE_ORDINARY 1 /*!< ordinary table */ -#if 0 /* not implemented */ -#define DICT_TABLE_CLUSTER_MEMBER 2 -#define DICT_TABLE_CLUSTER 3 /* this means that the table is - really a cluster definition */ -#endif - -/** Table flags. All unused bits must be 0. */ -/* @{ */ -#define DICT_TF_COMPACT 1 /* Compact page format. - This must be set for - new file formats - (later than - DICT_TF_FORMAT_51). */ - -/** Compressed page size (0=uncompressed, up to 15 compressed sizes) */ -/* @{ */ -#define DICT_TF_ZSSIZE_SHIFT 1 -#define DICT_TF_ZSSIZE_MASK (15 << DICT_TF_ZSSIZE_SHIFT) -#define DICT_TF_ZSSIZE_MAX (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 1) -/* @} */ - -/** File format */ -/* @{ */ -#define DICT_TF_FORMAT_SHIFT 5 /* file format */ -#define DICT_TF_FORMAT_MASK \ -((~(~0 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT) -#define DICT_TF_FORMAT_51 0 /*!< InnoDB/MySQL up to 5.1 */ -#define DICT_TF_FORMAT_ZIP 1 /*!< InnoDB plugin for 5.1: - compressed tables, - new BLOB treatment */ -/** Maximum supported file format */ -#define DICT_TF_FORMAT_MAX DICT_TF_FORMAT_ZIP -/* @} */ -#define DICT_TF_BITS 6 /*!< number of flag bits */ -#if (1 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT)) <= DICT_TF_FORMAT_MAX -# error "DICT_TF_BITS is insufficient for DICT_TF_FORMAT_MAX" -#endif -/* @} */ - -/** @brief Additional table flags. - -These flags will be stored in SYS_TABLES.MIX_LEN. All unused flags -will be written as 0. The column may contain garbage for tables -created with old versions of InnoDB that only implemented -ROW_FORMAT=REDUNDANT. */ -/* @{ */ -#define DICT_TF2_SHIFT DICT_TF_BITS - /*!< Shift value for - table->flags. */ -#define DICT_TF2_TEMPORARY 1 /*!< TRUE for tables from - CREATE TEMPORARY TABLE. */ -#define DICT_TF2_BITS (DICT_TF2_SHIFT + 1) - /*!< Total number of bits - in table->flags. */ -/* @} */ - - -/**********************************************************************//** -Creates a table memory object. -@return own: table object */ -UNIV_INTERN -dict_table_t* -dict_mem_table_create( -/*==================*/ - const char* name, /*!< in: table name */ - ulint space, /*!< in: space where the clustered index - of the table is placed; this parameter - is ignored if the table is made - a member of a cluster */ - ulint n_cols, /*!< in: number of columns */ - ulint flags); /*!< in: table flags */ -/****************************************************************//** -Free a table memory object. */ -UNIV_INTERN -void -dict_mem_table_free( -/*================*/ - dict_table_t* table); /*!< in: table */ -/**********************************************************************//** -Adds a column definition to a table. */ -UNIV_INTERN -void -dict_mem_table_add_col( -/*===================*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap, /*!< in: temporary memory heap, or NULL */ - const char* name, /*!< in: column name, or NULL */ - ulint mtype, /*!< in: main datatype */ - ulint prtype, /*!< in: precise type */ - ulint len); /*!< in: precision */ -/**********************************************************************//** -Creates an index memory object. -@return own: index object */ -UNIV_INTERN -dict_index_t* -dict_mem_index_create( -/*==================*/ - const char* table_name, /*!< in: table name */ - const char* index_name, /*!< in: index name */ - ulint space, /*!< in: space where the index tree is - placed, ignored if the index is of - the clustered type */ - ulint type, /*!< in: DICT_UNIQUE, - DICT_CLUSTERED, ... ORed */ - ulint n_fields); /*!< in: number of fields */ -/**********************************************************************//** -Adds a field definition to an index. NOTE: does not take a copy -of the column name if the field is a column. The memory occupied -by the column name may be released only after publishing the index. */ -UNIV_INTERN -void -dict_mem_index_add_field( -/*=====================*/ - dict_index_t* index, /*!< in: index */ - const char* name, /*!< in: column name */ - ulint prefix_len); /*!< in: 0 or the column prefix length - in a MySQL index like - INDEX (textcol(25)) */ -/**********************************************************************//** -Frees an index memory object. */ -UNIV_INTERN -void -dict_mem_index_free( -/*================*/ - dict_index_t* index); /*!< in: index */ -/**********************************************************************//** -Creates and initializes a foreign constraint memory object. -@return own: foreign constraint struct */ -UNIV_INTERN -dict_foreign_t* -dict_mem_foreign_create(void); -/*=========================*/ - -/** Data structure for a column in a table */ -struct dict_col_struct{ - /*----------------------*/ - /** The following are copied from dtype_t, - so that all bit-fields can be packed tightly. */ - /* @{ */ - unsigned mtype:8; /*!< main data type */ - unsigned prtype:24; /*!< precise type; MySQL data - type, charset code, flags to - indicate nullability, - signedness, whether this is a - binary string, whether this is - a true VARCHAR where MySQL - uses 2 bytes to store the length */ - - /* the remaining fields do not affect alphabetical ordering: */ - - unsigned len:16; /*!< length; for MySQL data this - is field->pack_length(), - except that for a >= 5.0.3 - type true VARCHAR this is the - maximum byte length of the - string data (in addition to - the string, MySQL uses 1 or 2 - bytes to store the string length) */ - - unsigned mbminlen:2; /*!< minimum length of a - character, in bytes */ - unsigned mbmaxlen:3; /*!< maximum length of a - character, in bytes */ - /*----------------------*/ - /* End of definitions copied from dtype_t */ - /* @} */ - - unsigned ind:10; /*!< table column position - (starting from 0) */ - unsigned ord_part:1; /*!< nonzero if this column - appears in the ordering fields - of an index */ -}; - -/** @brief DICT_MAX_INDEX_COL_LEN is measured in bytes and is the maximum -indexed column length (or indexed prefix length). - -It is set to 3*256, so that one can create a column prefix index on -256 characters of a TEXT or VARCHAR column also in the UTF-8 -charset. In that charset, a character may take at most 3 bytes. This -constant MUST NOT BE CHANGED, or the compatibility of InnoDB data -files would be at risk! */ -#define DICT_MAX_INDEX_COL_LEN REC_MAX_INDEX_COL_LEN - -/** Data structure for a field in an index */ -struct dict_field_struct{ - dict_col_t* col; /*!< pointer to the table column */ - const char* name; /*!< name of the column */ - unsigned prefix_len:10; /*!< 0 or the length of the column - prefix in bytes in a MySQL index of - type, e.g., INDEX (textcol(25)); - must be smaller than - DICT_MAX_INDEX_COL_LEN; NOTE that - in the UTF-8 charset, MySQL sets this - to 3 * the prefix len in UTF-8 chars */ - unsigned fixed_len:10; /*!< 0 or the fixed length of the - column if smaller than - DICT_MAX_INDEX_COL_LEN */ -}; - -/** Data structure for an index. Most fields will be -initialized to 0, NULL or FALSE in dict_mem_index_create(). */ -struct dict_index_struct{ - dulint id; /*!< id of the index */ - mem_heap_t* heap; /*!< memory heap */ - const char* name; /*!< index name */ - const char* table_name;/*!< table name */ - dict_table_t* table; /*!< back pointer to table */ -#ifndef UNIV_HOTBACKUP - unsigned space:32; - /*!< space where the index tree is placed */ - unsigned page:32;/*!< index tree root page number */ -#endif /* !UNIV_HOTBACKUP */ - unsigned type:4; /*!< index type (DICT_CLUSTERED, DICT_UNIQUE, - DICT_UNIVERSAL, DICT_IBUF) */ - unsigned trx_id_offset:10;/*!< position of the trx id column - in a clustered index record, if the fields - before it are known to be of a fixed size, - 0 otherwise */ - unsigned n_user_defined_cols:10; - /*!< number of columns the user defined to - be in the index: in the internal - representation we add more columns */ - unsigned n_uniq:10;/*!< number of fields from the beginning - which are enough to determine an index - entry uniquely */ - unsigned n_def:10;/*!< number of fields defined so far */ - unsigned n_fields:10;/*!< number of fields in the index */ - unsigned n_nullable:10;/*!< number of nullable fields */ - unsigned cached:1;/*!< TRUE if the index object is in the - dictionary cache */ - unsigned to_be_dropped:1; - /*!< TRUE if this index is marked to be - dropped in ha_innobase::prepare_drop_index(), - otherwise FALSE */ - dict_field_t* fields; /*!< array of field descriptions */ -#ifndef UNIV_HOTBACKUP - UT_LIST_NODE_T(dict_index_t) - indexes;/*!< list of indexes of the table */ - btr_search_t* search_info; /*!< info used in optimistic searches */ - /*----------------------*/ - /** Statistics for query optimization */ - /* @{ */ - ib_int64_t* stat_n_diff_key_vals; - /*!< approximate number of different - key values for this index, for each - n-column prefix where n <= - dict_get_n_unique(index); we - periodically calculate new - estimates */ - ulint stat_index_size; - /*!< approximate index size in - database pages */ - ulint stat_n_leaf_pages; - /*!< approximate number of leaf pages in the - index tree */ - /* @} */ - rw_lock_t lock; /*!< read-write lock protecting the - upper levels of the index tree */ - ib_uint64_t trx_id; /*!< id of the transaction that created this - index, or 0 if the index existed - when InnoDB was started up */ -#endif /* !UNIV_HOTBACKUP */ -#ifdef UNIV_DEBUG - ulint magic_n;/*!< magic number */ -/** Value of dict_index_struct::magic_n */ -# define DICT_INDEX_MAGIC_N 76789786 -#endif -}; - -/** Data structure for a foreign key constraint; an example: -FOREIGN KEY (A, B) REFERENCES TABLE2 (C, D). Most fields will be -initialized to 0, NULL or FALSE in dict_mem_foreign_create(). */ -struct dict_foreign_struct{ - mem_heap_t* heap; /*!< this object is allocated from - this memory heap */ - char* id; /*!< id of the constraint as a - null-terminated string */ - unsigned n_fields:10; /*!< number of indexes' first fields - for which the foreign key - constraint is defined: we allow the - indexes to contain more fields than - mentioned in the constraint, as long - as the first fields are as mentioned */ - unsigned type:6; /*!< 0 or DICT_FOREIGN_ON_DELETE_CASCADE - or DICT_FOREIGN_ON_DELETE_SET_NULL */ - char* foreign_table_name;/*!< foreign table name */ - dict_table_t* foreign_table; /*!< table where the foreign key is */ - const char** foreign_col_names;/*!< names of the columns in the - foreign key */ - char* referenced_table_name;/*!< referenced table name */ - dict_table_t* referenced_table;/*!< table where the referenced key - is */ - const char** referenced_col_names;/*!< names of the referenced - columns in the referenced table */ - dict_index_t* foreign_index; /*!< foreign index; we require that - both tables contain explicitly defined - indexes for the constraint: InnoDB - does not generate new indexes - implicitly */ - dict_index_t* referenced_index;/*!< referenced index */ - UT_LIST_NODE_T(dict_foreign_t) - foreign_list; /*!< list node for foreign keys of the - table */ - UT_LIST_NODE_T(dict_foreign_t) - referenced_list;/*!< list node for referenced - keys of the table */ -}; - -/** The flags for ON_UPDATE and ON_DELETE can be ORed; the default is that -a foreign key constraint is enforced, therefore RESTRICT just means no flag */ -/* @{ */ -#define DICT_FOREIGN_ON_DELETE_CASCADE 1 /*!< ON DELETE CASCADE */ -#define DICT_FOREIGN_ON_DELETE_SET_NULL 2 /*!< ON UPDATE SET NULL */ -#define DICT_FOREIGN_ON_UPDATE_CASCADE 4 /*!< ON DELETE CASCADE */ -#define DICT_FOREIGN_ON_UPDATE_SET_NULL 8 /*!< ON UPDATE SET NULL */ -#define DICT_FOREIGN_ON_DELETE_NO_ACTION 16 /*!< ON DELETE NO ACTION */ -#define DICT_FOREIGN_ON_UPDATE_NO_ACTION 32 /*!< ON UPDATE NO ACTION */ -/* @} */ - - -/** Data structure for a database table. Most fields will be -initialized to 0, NULL or FALSE in dict_mem_table_create(). */ -struct dict_table_struct{ - dulint id; /*!< id of the table */ - mem_heap_t* heap; /*!< memory heap */ - const char* name; /*!< table name */ - const char* dir_path_of_temp_table;/*!< NULL or the directory path - where a TEMPORARY table that was explicitly - created by a user should be placed if - innodb_file_per_table is defined in my.cnf; - in Unix this is usually /tmp/..., in Windows - temp\... */ - unsigned space:32; - /*!< space where the clustered index of the - table is placed */ - unsigned flags:DICT_TF2_BITS;/*!< DICT_TF_COMPACT, ... */ - unsigned ibd_file_missing:1; - /*!< TRUE if this is in a single-table - tablespace and the .ibd file is missing; then - we must return in ha_innodb.cc an error if the - user tries to query such an orphaned table */ - unsigned tablespace_discarded:1; - /*!< this flag is set TRUE when the user - calls DISCARD TABLESPACE on this - table, and reset to FALSE in IMPORT - TABLESPACE */ - unsigned cached:1;/*!< TRUE if the table object has been added - to the dictionary cache */ - unsigned n_def:10;/*!< number of columns defined so far */ - unsigned n_cols:10;/*!< number of columns */ - dict_col_t* cols; /*!< array of column descriptions */ - const char* col_names; - /*!< Column names packed in a character string - "name1\0name2\0...nameN\0". Until - the string contains n_cols, it will be - allocated from a temporary heap. The final - string will be allocated from table->heap. */ -#ifndef UNIV_HOTBACKUP - hash_node_t name_hash; /*!< hash chain node */ - hash_node_t id_hash; /*!< hash chain node */ - UT_LIST_BASE_NODE_T(dict_index_t) - indexes; /*!< list of indexes of the table */ - UT_LIST_BASE_NODE_T(dict_foreign_t) - foreign_list;/*!< list of foreign key constraints - in the table; these refer to columns - in other tables */ - UT_LIST_BASE_NODE_T(dict_foreign_t) - referenced_list;/*!< list of foreign key constraints - which refer to this table */ - UT_LIST_NODE_T(dict_table_t) - table_LRU; /*!< node of the LRU list of tables */ - ulint n_mysql_handles_opened; - /*!< count of how many handles MySQL has opened - to this table; dropping of the table is - NOT allowed until this count gets to zero; - MySQL does NOT itself check the number of - open handles at drop */ - ulint n_foreign_key_checks_running; - /*!< count of how many foreign key check - operations are currently being performed - on the table: we cannot drop the table while - there are foreign key checks running on - it! */ - trx_id_t query_cache_inv_trx_id; - /*!< transactions whose trx id is - smaller than this number are not - allowed to store to the MySQL query - cache or retrieve from it; when a trx - with undo logs commits, it sets this - to the value of the trx id counter for - the tables it had an IX lock on */ - UT_LIST_BASE_NODE_T(lock_t) - locks; /*!< list of locks on the table */ -#ifdef UNIV_DEBUG - /*----------------------*/ - ibool does_not_fit_in_memory; - /*!< this field is used to specify in - simulations tables which are so big - that disk should be accessed: disk - access is simulated by putting the - thread to sleep for a while; NOTE that - this flag is not stored to the data - dictionary on disk, and the database - will forget about value TRUE if it has - to reload the table definition from - disk */ -#endif /* UNIV_DEBUG */ - /*----------------------*/ - unsigned big_rows:1; - /*!< flag: TRUE if the maximum length of - a single row exceeds BIG_ROW_SIZE; - initialized in dict_table_add_to_cache() */ - /** Statistics for query optimization */ - /* @{ */ - unsigned stat_initialized:1; /*!< TRUE if statistics have - been calculated the first time - after database startup or table creation */ - ib_int64_t stat_n_rows; - /*!< approximate number of rows in the table; - we periodically calculate new estimates */ - ulint stat_clustered_index_size; - /*!< approximate clustered index size in - database pages */ - ulint stat_sum_of_other_index_sizes; - /*!< other indexes in database pages */ - ulint stat_modified_counter; - /*!< when a row is inserted, updated, - or deleted, - we add 1 to this number; we calculate new - estimates for the stat_... values for the - table and the indexes at an interval of 2 GB - or when about 1 / 16 of table has been - modified; also when the estimate operation is - called for MySQL SHOW TABLE STATUS; the - counter is reset to zero at statistics - calculation; this counter is not protected by - any latch, because this is only used for - heuristics */ - /* @} */ - /*----------------------*/ - /**!< The following fields are used by the - AUTOINC code. The actual collection of - tables locked during AUTOINC read/write is - kept in trx_t. In order to quickly determine - whether a transaction has locked the AUTOINC - lock we keep a pointer to the transaction - here in the autoinc_trx variable. This is to - avoid acquiring the kernel mutex and scanning - the vector in trx_t. - - When an AUTOINC lock has to wait, the - corresponding lock instance is created on - the trx lock heap rather than use the - pre-allocated instance in autoinc_lock below.*/ - /* @{ */ - lock_t* autoinc_lock; - /*!< a buffer for an AUTOINC lock - for this table: we allocate the memory here - so that individual transactions can get it - and release it without a need to allocate - space from the lock heap of the trx: - otherwise the lock heap would grow rapidly - if we do a large insert from a select */ - mutex_t autoinc_mutex; - /*!< mutex protecting the autoincrement - counter */ - ib_uint64_t autoinc;/*!< autoinc counter value to give to the - next inserted row */ - ulong n_waiting_or_granted_auto_inc_locks; - /*!< This counter is used to track the number - of granted and pending autoinc locks on this - table. This value is set after acquiring the - kernel mutex but we peek the contents to - determine whether other transactions have - acquired the AUTOINC lock or not. Of course - only one transaction can be granted the - lock but there can be multiple waiters. */ - const trx_t* autoinc_trx; - /*!< The transaction that currently holds the - the AUTOINC lock on this table. */ - /* @} */ - /*----------------------*/ -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG - ulint magic_n;/*!< magic number */ -/** Value of dict_table_struct::magic_n */ -# define DICT_TABLE_MAGIC_N 76333786 -#endif /* UNIV_DEBUG */ -}; - -#ifndef UNIV_NONINL -#include "dict0mem.ic" -#endif - -#endif diff --git a/perfschema/include/dict0mem.ic b/perfschema/include/dict0mem.ic deleted file mode 100644 index c36adb07a18..00000000000 --- a/perfschema/include/dict0mem.ic +++ /dev/null @@ -1,26 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/dict0mem.ic -Data dictionary memory object creation - -Created 1/8/1996 Heikki Tuuri -***********************************************************************/ - - diff --git a/perfschema/include/dict0types.h b/perfschema/include/dict0types.h deleted file mode 100644 index 7ad69193cc9..00000000000 --- a/perfschema/include/dict0types.h +++ /dev/null @@ -1,48 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dict0types.h -Data dictionary global types - -Created 1/8/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dict0types_h -#define dict0types_h - -typedef struct dict_sys_struct dict_sys_t; -typedef struct dict_col_struct dict_col_t; -typedef struct dict_field_struct dict_field_t; -typedef struct dict_index_struct dict_index_t; -typedef struct dict_table_struct dict_table_t; -typedef struct dict_foreign_struct dict_foreign_t; - -/* A cluster object is a table object with the type field set to -DICT_CLUSTERED */ - -typedef dict_table_t dict_cluster_t; - -typedef struct ind_node_struct ind_node_t; -typedef struct tab_node_struct tab_node_t; - -/* Space id and page no where the dictionary header resides */ -#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ -#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO - -#endif diff --git a/perfschema/include/dyn0dyn.h b/perfschema/include/dyn0dyn.h deleted file mode 100644 index 121a5946ac7..00000000000 --- a/perfschema/include/dyn0dyn.h +++ /dev/null @@ -1,188 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dyn0dyn.h -The dynamically allocated array - -Created 2/5/1996 Heikki Tuuri -*******************************************************/ - -#ifndef dyn0dyn_h -#define dyn0dyn_h - -#include "univ.i" -#include "ut0lst.h" -#include "mem0mem.h" - -/** A block in a dynamically allocated array */ -typedef struct dyn_block_struct dyn_block_t; -/** Dynamically allocated array */ -typedef dyn_block_t dyn_array_t; - - -/** This is the initial 'payload' size of a dynamic array; -this must be > MLOG_BUF_MARGIN + 30! */ -#define DYN_ARRAY_DATA_SIZE 512 - -/*********************************************************************//** -Initializes a dynamic array. -@return initialized dyn array */ -UNIV_INLINE -dyn_array_t* -dyn_array_create( -/*=============*/ - dyn_array_t* arr); /*!< in: pointer to a memory buffer of - size sizeof(dyn_array_t) */ -/************************************************************//** -Frees a dynamic array. */ -UNIV_INLINE -void -dyn_array_free( -/*===========*/ - dyn_array_t* arr); /*!< in: dyn array */ -/*********************************************************************//** -Makes room on top of a dyn array and returns a pointer to a buffer in it. -After copying the elements, the caller must close the buffer using -dyn_array_close. -@return pointer to the buffer */ -UNIV_INLINE -byte* -dyn_array_open( -/*===========*/ - dyn_array_t* arr, /*!< in: dynamic array */ - ulint size); /*!< in: size in bytes of the buffer; MUST be - smaller than DYN_ARRAY_DATA_SIZE! */ -/*********************************************************************//** -Closes the buffer returned by dyn_array_open. */ -UNIV_INLINE -void -dyn_array_close( -/*============*/ - dyn_array_t* arr, /*!< in: dynamic array */ - byte* ptr); /*!< in: buffer space from ptr up was not used */ -/*********************************************************************//** -Makes room on top of a dyn array and returns a pointer to -the added element. The caller must copy the element to -the pointer returned. -@return pointer to the element */ -UNIV_INLINE -void* -dyn_array_push( -/*===========*/ - dyn_array_t* arr, /*!< in: dynamic array */ - ulint size); /*!< in: size in bytes of the element */ -/************************************************************//** -Returns pointer to an element in dyn array. -@return pointer to element */ -UNIV_INLINE -void* -dyn_array_get_element( -/*==================*/ - dyn_array_t* arr, /*!< in: dyn array */ - ulint pos); /*!< in: position of element as bytes - from array start */ -/************************************************************//** -Returns the size of stored data in a dyn array. -@return data size in bytes */ -UNIV_INLINE -ulint -dyn_array_get_data_size( -/*====================*/ - dyn_array_t* arr); /*!< in: dyn array */ -/************************************************************//** -Gets the first block in a dyn array. */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_first_block( -/*======================*/ - dyn_array_t* arr); /*!< in: dyn array */ -/************************************************************//** -Gets the last block in a dyn array. */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_last_block( -/*=====================*/ - dyn_array_t* arr); /*!< in: dyn array */ -/********************************************************************//** -Gets the next block in a dyn array. -@return pointer to next, NULL if end of list */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_next_block( -/*=====================*/ - dyn_array_t* arr, /*!< in: dyn array */ - dyn_block_t* block); /*!< in: dyn array block */ -/********************************************************************//** -Gets the number of used bytes in a dyn array block. -@return number of bytes used */ -UNIV_INLINE -ulint -dyn_block_get_used( -/*===============*/ - dyn_block_t* block); /*!< in: dyn array block */ -/********************************************************************//** -Gets pointer to the start of data in a dyn array block. -@return pointer to data */ -UNIV_INLINE -byte* -dyn_block_get_data( -/*===============*/ - dyn_block_t* block); /*!< in: dyn array block */ -/********************************************************//** -Pushes n bytes to a dyn array. */ -UNIV_INLINE -void -dyn_push_string( -/*============*/ - dyn_array_t* arr, /*!< in: dyn array */ - const byte* str, /*!< in: string to write */ - ulint len); /*!< in: string length */ - -/*#################################################################*/ - -/** @brief A block in a dynamically allocated array. -NOTE! Do not access the fields of the struct directly: the definition -appears here only for the compiler to know its size! */ -struct dyn_block_struct{ - mem_heap_t* heap; /*!< in the first block this is != NULL - if dynamic allocation has been needed */ - ulint used; /*!< number of data bytes used in this block; - DYN_BLOCK_FULL_FLAG is set when the block - becomes full */ - byte data[DYN_ARRAY_DATA_SIZE]; - /*!< storage for array elements */ - UT_LIST_BASE_NODE_T(dyn_block_t) base; - /*!< linear list of dyn blocks: this node is - used only in the first block */ - UT_LIST_NODE_T(dyn_block_t) list; - /*!< linear list node: used in all blocks */ -#ifdef UNIV_DEBUG - ulint buf_end;/*!< only in the debug version: if dyn - array is opened, this is the buffer - end offset, else this is 0 */ - ulint magic_n;/*!< magic number (DYN_BLOCK_MAGIC_N) */ -#endif -}; - - -#ifndef UNIV_NONINL -#include "dyn0dyn.ic" -#endif - -#endif diff --git a/perfschema/include/dyn0dyn.ic b/perfschema/include/dyn0dyn.ic deleted file mode 100644 index 110e674abff..00000000000 --- a/perfschema/include/dyn0dyn.ic +++ /dev/null @@ -1,365 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/dyn0dyn.ic -The dynamically allocated array - -Created 2/5/1996 Heikki Tuuri -*******************************************************/ - -/** Value of dyn_block_struct::magic_n */ -#define DYN_BLOCK_MAGIC_N 375767 -/** Flag for dyn_block_struct::used that indicates a full block */ -#define DYN_BLOCK_FULL_FLAG 0x1000000UL - -/************************************************************//** -Adds a new block to a dyn array. -@return created block */ -UNIV_INTERN -dyn_block_t* -dyn_array_add_block( -/*================*/ - dyn_array_t* arr); /*!< in: dyn array */ - - -/************************************************************//** -Gets the first block in a dyn array. */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_first_block( -/*======================*/ - dyn_array_t* arr) /*!< in: dyn array */ -{ - return(arr); -} - -/************************************************************//** -Gets the last block in a dyn array. */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_last_block( -/*=====================*/ - dyn_array_t* arr) /*!< in: dyn array */ -{ - if (arr->heap == NULL) { - - return(arr); - } - - return(UT_LIST_GET_LAST(arr->base)); -} - -/********************************************************************//** -Gets the next block in a dyn array. -@return pointer to next, NULL if end of list */ -UNIV_INLINE -dyn_block_t* -dyn_array_get_next_block( -/*=====================*/ - dyn_array_t* arr, /*!< in: dyn array */ - dyn_block_t* block) /*!< in: dyn array block */ -{ - ut_ad(arr && block); - - if (arr->heap == NULL) { - ut_ad(arr == block); - - return(NULL); - } - - return(UT_LIST_GET_NEXT(list, block)); -} - -/********************************************************************//** -Gets the number of used bytes in a dyn array block. -@return number of bytes used */ -UNIV_INLINE -ulint -dyn_block_get_used( -/*===============*/ - dyn_block_t* block) /*!< in: dyn array block */ -{ - ut_ad(block); - - return((block->used) & ~DYN_BLOCK_FULL_FLAG); -} - -/********************************************************************//** -Gets pointer to the start of data in a dyn array block. -@return pointer to data */ -UNIV_INLINE -byte* -dyn_block_get_data( -/*===============*/ - dyn_block_t* block) /*!< in: dyn array block */ -{ - ut_ad(block); - - return(block->data); -} - -/*********************************************************************//** -Initializes a dynamic array. -@return initialized dyn array */ -UNIV_INLINE -dyn_array_t* -dyn_array_create( -/*=============*/ - dyn_array_t* arr) /*!< in: pointer to a memory buffer of - size sizeof(dyn_array_t) */ -{ - ut_ad(arr); -#if DYN_ARRAY_DATA_SIZE >= DYN_BLOCK_FULL_FLAG -# error "DYN_ARRAY_DATA_SIZE >= DYN_BLOCK_FULL_FLAG" -#endif - - arr->heap = NULL; - arr->used = 0; - -#ifdef UNIV_DEBUG - arr->buf_end = 0; - arr->magic_n = DYN_BLOCK_MAGIC_N; -#endif - return(arr); -} - -/************************************************************//** -Frees a dynamic array. */ -UNIV_INLINE -void -dyn_array_free( -/*===========*/ - dyn_array_t* arr) /*!< in: dyn array */ -{ - if (arr->heap != NULL) { - mem_heap_free(arr->heap); - } - -#ifdef UNIV_DEBUG - arr->magic_n = 0; -#endif -} - -/*********************************************************************//** -Makes room on top of a dyn array and returns a pointer to the added element. -The caller must copy the element to the pointer returned. -@return pointer to the element */ -UNIV_INLINE -void* -dyn_array_push( -/*===========*/ - dyn_array_t* arr, /*!< in: dynamic array */ - ulint size) /*!< in: size in bytes of the element */ -{ - dyn_block_t* block; - ulint used; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - ut_ad(size <= DYN_ARRAY_DATA_SIZE); - ut_ad(size); - - block = arr; - used = block->used; - - if (used + size > DYN_ARRAY_DATA_SIZE) { - /* Get the last array block */ - - block = dyn_array_get_last_block(arr); - used = block->used; - - if (used + size > DYN_ARRAY_DATA_SIZE) { - block = dyn_array_add_block(arr); - used = block->used; - } - } - - block->used = used + size; - ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); - - return((block->data) + used); -} - -/*********************************************************************//** -Makes room on top of a dyn array and returns a pointer to a buffer in it. -After copying the elements, the caller must close the buffer using -dyn_array_close. -@return pointer to the buffer */ -UNIV_INLINE -byte* -dyn_array_open( -/*===========*/ - dyn_array_t* arr, /*!< in: dynamic array */ - ulint size) /*!< in: size in bytes of the buffer; MUST be - smaller than DYN_ARRAY_DATA_SIZE! */ -{ - dyn_block_t* block; - ulint used; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - ut_ad(size <= DYN_ARRAY_DATA_SIZE); - ut_ad(size); - - block = arr; - used = block->used; - - if (used + size > DYN_ARRAY_DATA_SIZE) { - /* Get the last array block */ - - block = dyn_array_get_last_block(arr); - used = block->used; - - if (used + size > DYN_ARRAY_DATA_SIZE) { - block = dyn_array_add_block(arr); - used = block->used; - ut_a(size <= DYN_ARRAY_DATA_SIZE); - } - } - - ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); -#ifdef UNIV_DEBUG - ut_ad(arr->buf_end == 0); - - arr->buf_end = used + size; -#endif - return((block->data) + used); -} - -/*********************************************************************//** -Closes the buffer returned by dyn_array_open. */ -UNIV_INLINE -void -dyn_array_close( -/*============*/ - dyn_array_t* arr, /*!< in: dynamic array */ - byte* ptr) /*!< in: buffer space from ptr up was not used */ -{ - dyn_block_t* block; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - - block = dyn_array_get_last_block(arr); - - ut_ad(arr->buf_end + block->data >= ptr); - - block->used = ptr - block->data; - - ut_ad(block->used <= DYN_ARRAY_DATA_SIZE); - -#ifdef UNIV_DEBUG - arr->buf_end = 0; -#endif -} - -/************************************************************//** -Returns pointer to an element in dyn array. -@return pointer to element */ -UNIV_INLINE -void* -dyn_array_get_element( -/*==================*/ - dyn_array_t* arr, /*!< in: dyn array */ - ulint pos) /*!< in: position of element as bytes - from array start */ -{ - dyn_block_t* block; - ulint used; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - - /* Get the first array block */ - block = dyn_array_get_first_block(arr); - - if (arr->heap != NULL) { - used = dyn_block_get_used(block); - - while (pos >= used) { - pos -= used; - block = UT_LIST_GET_NEXT(list, block); - ut_ad(block); - - used = dyn_block_get_used(block); - } - } - - ut_ad(block); - ut_ad(dyn_block_get_used(block) >= pos); - - return(block->data + pos); -} - -/************************************************************//** -Returns the size of stored data in a dyn array. -@return data size in bytes */ -UNIV_INLINE -ulint -dyn_array_get_data_size( -/*====================*/ - dyn_array_t* arr) /*!< in: dyn array */ -{ - dyn_block_t* block; - ulint sum = 0; - - ut_ad(arr); - ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); - - if (arr->heap == NULL) { - - return(arr->used); - } - - /* Get the first array block */ - block = dyn_array_get_first_block(arr); - - while (block != NULL) { - sum += dyn_block_get_used(block); - block = dyn_array_get_next_block(arr, block); - } - - return(sum); -} - -/********************************************************//** -Pushes n bytes to a dyn array. */ -UNIV_INLINE -void -dyn_push_string( -/*============*/ - dyn_array_t* arr, /*!< in: dyn array */ - const byte* str, /*!< in: string to write */ - ulint len) /*!< in: string length */ -{ - ulint n_copied; - - while (len > 0) { - if (len > DYN_ARRAY_DATA_SIZE) { - n_copied = DYN_ARRAY_DATA_SIZE; - } else { - n_copied = len; - } - - memcpy(dyn_array_push(arr, n_copied), str, n_copied); - - str += n_copied; - len -= n_copied; - } -} diff --git a/perfschema/include/eval0eval.h b/perfschema/include/eval0eval.h deleted file mode 100644 index 60aefd8d453..00000000000 --- a/perfschema/include/eval0eval.h +++ /dev/null @@ -1,114 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/eval0eval.h -SQL evaluator: evaluates simple data structures, like expressions, in -a query graph - -Created 12/29/1997 Heikki Tuuri -*******************************************************/ - -#ifndef eval0eval_h -#define eval0eval_h - -#include "univ.i" -#include "que0types.h" -#include "pars0sym.h" -#include "pars0pars.h" - -/*****************************************************************//** -Free the buffer from global dynamic memory for a value of a que_node, -if it has been allocated in the above function. The freeing for pushed -column values is done in sel_col_prefetch_buf_free. */ -UNIV_INTERN -void -eval_node_free_val_buf( -/*===================*/ - que_node_t* node); /*!< in: query graph node */ -/*****************************************************************//** -Evaluates a symbol table symbol. */ -UNIV_INLINE -void -eval_sym( -/*=====*/ - sym_node_t* sym_node); /*!< in: symbol table node */ -/*****************************************************************//** -Evaluates an expression. */ -UNIV_INLINE -void -eval_exp( -/*=====*/ - que_node_t* exp_node); /*!< in: expression */ -/*****************************************************************//** -Sets an integer value as the value of an expression node. */ -UNIV_INLINE -void -eval_node_set_int_val( -/*==================*/ - que_node_t* node, /*!< in: expression node */ - lint val); /*!< in: value to set */ -/*****************************************************************//** -Gets an integer value from an expression node. -@return integer value */ -UNIV_INLINE -lint -eval_node_get_int_val( -/*==================*/ - que_node_t* node); /*!< in: expression node */ -/*****************************************************************//** -Copies a binary string value as the value of a query graph node. Allocates a -new buffer if necessary. */ -UNIV_INLINE -void -eval_node_copy_and_alloc_val( -/*=========================*/ - que_node_t* node, /*!< in: query graph node */ - const byte* str, /*!< in: binary string */ - ulint len); /*!< in: string length or UNIV_SQL_NULL */ -/*****************************************************************//** -Copies a query node value to another node. */ -UNIV_INLINE -void -eval_node_copy_val( -/*===============*/ - que_node_t* node1, /*!< in: node to copy to */ - que_node_t* node2); /*!< in: node to copy from */ -/*****************************************************************//** -Gets a iboolean value from a query node. -@return iboolean value */ -UNIV_INLINE -ibool -eval_node_get_ibool_val( -/*====================*/ - que_node_t* node); /*!< in: query graph node */ -/*****************************************************************//** -Evaluates a comparison node. -@return the result of the comparison */ -UNIV_INTERN -ibool -eval_cmp( -/*=====*/ - func_node_t* cmp_node); /*!< in: comparison node */ - - -#ifndef UNIV_NONINL -#include "eval0eval.ic" -#endif - -#endif diff --git a/perfschema/include/eval0eval.ic b/perfschema/include/eval0eval.ic deleted file mode 100644 index fe767f39b00..00000000000 --- a/perfschema/include/eval0eval.ic +++ /dev/null @@ -1,251 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/eval0eval.ic -SQL evaluator: evaluates simple data structures, like expressions, in -a query graph - -Created 12/29/1997 Heikki Tuuri -*******************************************************/ - -#include "que0que.h" -#include "rem0cmp.h" -#include "pars0grm.h" - -/*****************************************************************//** -Evaluates a function node. */ -UNIV_INTERN -void -eval_func( -/*======*/ - func_node_t* func_node); /*!< in: function node */ -/*****************************************************************//** -Allocate a buffer from global dynamic memory for a value of a que_node. -NOTE that this memory must be explicitly freed when the query graph is -freed. If the node already has allocated buffer, that buffer is freed -here. NOTE that this is the only function where dynamic memory should be -allocated for a query node val field. -@return pointer to allocated buffer */ -UNIV_INTERN -byte* -eval_node_alloc_val_buf( -/*====================*/ - que_node_t* node, /*!< in: query graph node; sets the val field - data field to point to the new buffer, and - len field equal to size */ - ulint size); /*!< in: buffer size */ - - -/*****************************************************************//** -Allocates a new buffer if needed. -@return pointer to buffer */ -UNIV_INLINE -byte* -eval_node_ensure_val_buf( -/*=====================*/ - que_node_t* node, /*!< in: query graph node; sets the val field - data field to point to the new buffer, and - len field equal to size */ - ulint size) /*!< in: buffer size */ -{ - dfield_t* dfield; - byte* data; - - dfield = que_node_get_val(node); - dfield_set_len(dfield, size); - - data = dfield_get_data(dfield); - - if (!data || que_node_get_val_buf_size(node) < size) { - - data = eval_node_alloc_val_buf(node, size); - } - - return(data); -} - -/*****************************************************************//** -Evaluates a symbol table symbol. */ -UNIV_INLINE -void -eval_sym( -/*=====*/ - sym_node_t* sym_node) /*!< in: symbol table node */ -{ - - ut_ad(que_node_get_type(sym_node) == QUE_NODE_SYMBOL); - - if (sym_node->indirection) { - /* The symbol table node is an alias for a variable or a - column */ - - dfield_copy_data(que_node_get_val(sym_node), - que_node_get_val(sym_node->indirection)); - } -} - -/*****************************************************************//** -Evaluates an expression. */ -UNIV_INLINE -void -eval_exp( -/*=====*/ - que_node_t* exp_node) /*!< in: expression */ -{ - if (que_node_get_type(exp_node) == QUE_NODE_SYMBOL) { - - eval_sym((sym_node_t*)exp_node); - - return; - } - - eval_func(exp_node); -} - -/*****************************************************************//** -Sets an integer value as the value of an expression node. */ -UNIV_INLINE -void -eval_node_set_int_val( -/*==================*/ - que_node_t* node, /*!< in: expression node */ - lint val) /*!< in: value to set */ -{ - dfield_t* dfield; - byte* data; - - dfield = que_node_get_val(node); - - data = dfield_get_data(dfield); - - if (data == NULL) { - data = eval_node_alloc_val_buf(node, 4); - } - - ut_ad(dfield_get_len(dfield) == 4); - - mach_write_to_4(data, (ulint)val); -} - -/*****************************************************************//** -Gets an integer non-SQL null value from an expression node. -@return integer value */ -UNIV_INLINE -lint -eval_node_get_int_val( -/*==================*/ - que_node_t* node) /*!< in: expression node */ -{ - dfield_t* dfield; - - dfield = que_node_get_val(node); - - ut_ad(dfield_get_len(dfield) == 4); - - return((int)mach_read_from_4(dfield_get_data(dfield))); -} - -/*****************************************************************//** -Gets a iboolean value from a query node. -@return iboolean value */ -UNIV_INLINE -ibool -eval_node_get_ibool_val( -/*====================*/ - que_node_t* node) /*!< in: query graph node */ -{ - dfield_t* dfield; - byte* data; - - dfield = que_node_get_val(node); - - data = dfield_get_data(dfield); - - ut_ad(data != NULL); - - return(mach_read_from_1(data)); -} - -/*****************************************************************//** -Sets a iboolean value as the value of a function node. */ -UNIV_INLINE -void -eval_node_set_ibool_val( -/*====================*/ - func_node_t* func_node, /*!< in: function node */ - ibool val) /*!< in: value to set */ -{ - dfield_t* dfield; - byte* data; - - dfield = que_node_get_val(func_node); - - data = dfield_get_data(dfield); - - if (data == NULL) { - /* Allocate 1 byte to hold the value */ - - data = eval_node_alloc_val_buf(func_node, 1); - } - - ut_ad(dfield_get_len(dfield) == 1); - - mach_write_to_1(data, val); -} - -/*****************************************************************//** -Copies a binary string value as the value of a query graph node. Allocates a -new buffer if necessary. */ -UNIV_INLINE -void -eval_node_copy_and_alloc_val( -/*=========================*/ - que_node_t* node, /*!< in: query graph node */ - const byte* str, /*!< in: binary string */ - ulint len) /*!< in: string length or UNIV_SQL_NULL */ -{ - byte* data; - - if (len == UNIV_SQL_NULL) { - dfield_set_len(que_node_get_val(node), len); - - return; - } - - data = eval_node_ensure_val_buf(node, len); - - ut_memcpy(data, str, len); -} - -/*****************************************************************//** -Copies a query node value to another node. */ -UNIV_INLINE -void -eval_node_copy_val( -/*===============*/ - que_node_t* node1, /*!< in: node to copy to */ - que_node_t* node2) /*!< in: node to copy from */ -{ - dfield_t* dfield2; - - dfield2 = que_node_get_val(node2); - - eval_node_copy_and_alloc_val(node1, dfield_get_data(dfield2), - dfield_get_len(dfield2)); -} diff --git a/perfschema/include/eval0proc.h b/perfschema/include/eval0proc.h deleted file mode 100644 index 13e2e365320..00000000000 --- a/perfschema/include/eval0proc.h +++ /dev/null @@ -1,104 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/eval0proc.h -Executes SQL stored procedures and their control structures - -Created 1/20/1998 Heikki Tuuri -*******************************************************/ - -#ifndef eval0proc_h -#define eval0proc_h - -#include "univ.i" -#include "que0types.h" -#include "pars0sym.h" -#include "pars0pars.h" - -/**********************************************************************//** -Performs an execution step of a procedure node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -proc_step( -/*======*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of an if-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -if_step( -/*====*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of a while-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -while_step( -/*=======*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of a for-loop node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -for_step( -/*=====*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of an assignment statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -assign_step( -/*========*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of a procedure call node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -proc_eval_step( -/*===========*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of an exit statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -exit_step( -/*======*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of a return-statement node. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -return_step( -/*========*/ - que_thr_t* thr); /*!< in: query thread */ - - -#ifndef UNIV_NONINL -#include "eval0proc.ic" -#endif - -#endif diff --git a/perfschema/include/eval0proc.ic b/perfschema/include/eval0proc.ic deleted file mode 100644 index c602af0a694..00000000000 --- a/perfschema/include/eval0proc.ic +++ /dev/null @@ -1,88 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/eval0proc.ic -Executes SQL stored procedures and their control structures - -Created 1/20/1998 Heikki Tuuri -*******************************************************/ - -#include "pars0pars.h" -#include "que0que.h" -#include "eval0eval.h" - -/**********************************************************************//** -Performs an execution step of a procedure node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -proc_step( -/*======*/ - que_thr_t* thr) /*!< in: query thread */ -{ - proc_node_t* node; - - ut_ad(thr); - - node = thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_PROC); - - if (thr->prev_node == que_node_get_parent(node)) { - /* Start execution from the first statement in the statement - list */ - - thr->run_node = node->stat_list; - } else { - /* Move to the next statement */ - ut_ad(que_node_get_next(thr->prev_node) == NULL); - - thr->run_node = NULL; - } - - if (thr->run_node == NULL) { - thr->run_node = que_node_get_parent(node); - } - - return(thr); -} - -/**********************************************************************//** -Performs an execution step of a procedure call node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -proc_eval_step( -/*===========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - func_node_t* node; - - ut_ad(thr); - - node = thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_FUNC); - - /* Evaluate the procedure */ - - eval_exp(node); - - thr->run_node = que_node_get_parent(node); - - return(thr); -} diff --git a/perfschema/include/fil0fil.h b/perfschema/include/fil0fil.h deleted file mode 100644 index 36660d9845b..00000000000 --- a/perfschema/include/fil0fil.h +++ /dev/null @@ -1,724 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/fil0fil.h -The low-level file system - -Created 10/25/1995 Heikki Tuuri -*******************************************************/ - -#ifndef fil0fil_h -#define fil0fil_h - -#include "dict0types.h" -#include "ut0byte.h" -#include "os0file.h" -#ifndef UNIV_HOTBACKUP -#include "sync0rw.h" -#include "ibuf0types.h" -#endif /* !UNIV_HOTBACKUP */ - -/** When mysqld is run, the default directory "." is the mysqld datadir, -but in the MySQL Embedded Server Library and ibbackup it is not the default -directory, and we must set the base file path explicitly */ -extern const char* fil_path_to_mysql_datadir; - -/** Initial size of a single-table tablespace in pages */ -#define FIL_IBD_FILE_INITIAL_SIZE 4 - -/** 'null' (undefined) page offset in the context of file spaces */ -#define FIL_NULL ULINT32_UNDEFINED - -/* Space address data type; this is intended to be used when -addresses accurate to a byte are stored in file pages. If the page part -of the address is FIL_NULL, the address is considered undefined. */ - -typedef byte fil_faddr_t; /*!< 'type' definition in C: an address - stored in a file page is a string of bytes */ -#define FIL_ADDR_PAGE 0 /* first in address is the page offset */ -#define FIL_ADDR_BYTE 4 /* then comes 2-byte byte offset within page*/ - -#define FIL_ADDR_SIZE 6 /* address size is 6 bytes */ - -/** A struct for storing a space address FIL_ADDR, when it is used -in C program data structures. */ - -typedef struct fil_addr_struct fil_addr_t; -/** File space address */ -struct fil_addr_struct{ - ulint page; /*!< page number within a space */ - ulint boffset; /*!< byte offset within the page */ -}; - -/** The null file address */ -extern fil_addr_t fil_addr_null; - -/** The byte offsets on a file page for various variables @{ */ -#define FIL_PAGE_SPACE_OR_CHKSUM 0 /*!< in < MySQL-4.0.14 space id the - page belongs to (== 0) but in later - versions the 'new' checksum of the - page */ -#define FIL_PAGE_OFFSET 4 /*!< page offset inside space */ -#define FIL_PAGE_PREV 8 /*!< if there is a 'natural' - predecessor of the page, its - offset. Otherwise FIL_NULL. - This field is not set on BLOB - pages, which are stored as a - singly-linked list. See also - FIL_PAGE_NEXT. */ -#define FIL_PAGE_NEXT 12 /*!< if there is a 'natural' successor - of the page, its offset. - Otherwise FIL_NULL. - B-tree index pages - (FIL_PAGE_TYPE contains FIL_PAGE_INDEX) - on the same PAGE_LEVEL are maintained - as a doubly linked list via - FIL_PAGE_PREV and FIL_PAGE_NEXT - in the collation order of the - smallest user record on each page. */ -#define FIL_PAGE_LSN 16 /*!< lsn of the end of the newest - modification log record to the page */ -#define FIL_PAGE_TYPE 24 /*!< file page type: FIL_PAGE_INDEX,..., - 2 bytes. - - The contents of this field can only - be trusted in the following case: - if the page is an uncompressed - B-tree index page, then it is - guaranteed that the value is - FIL_PAGE_INDEX. - The opposite does not hold. - - In tablespaces created by - MySQL/InnoDB 5.1.7 or later, the - contents of this field is valid - for all uncompressed pages. */ -#define FIL_PAGE_FILE_FLUSH_LSN 26 /*!< this is only defined for the - first page in a system tablespace - data file (ibdata*, not *.ibd): - the file has been flushed to disk - at least up to this lsn */ -#define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /*!< starting from 4.1.x this - contains the space id of the page */ -#define FIL_PAGE_DATA 38 /*!< start of the data on the page */ -/* @} */ -/** File page trailer @{ */ -#define FIL_PAGE_END_LSN_OLD_CHKSUM 8 /*!< the low 4 bytes of this are used - to store the page checksum, the - last 4 bytes should be identical - to the last 4 bytes of FIL_PAGE_LSN */ -#define FIL_PAGE_DATA_END 8 /*!< size of the page trailer */ -/* @} */ - -/** File page types (values of FIL_PAGE_TYPE) @{ */ -#define FIL_PAGE_INDEX 17855 /*!< B-tree node */ -#define FIL_PAGE_UNDO_LOG 2 /*!< Undo log page */ -#define FIL_PAGE_INODE 3 /*!< Index node */ -#define FIL_PAGE_IBUF_FREE_LIST 4 /*!< Insert buffer free list */ -/* File page types introduced in MySQL/InnoDB 5.1.7 */ -#define FIL_PAGE_TYPE_ALLOCATED 0 /*!< Freshly allocated page */ -#define FIL_PAGE_IBUF_BITMAP 5 /*!< Insert buffer bitmap */ -#define FIL_PAGE_TYPE_SYS 6 /*!< System page */ -#define FIL_PAGE_TYPE_TRX_SYS 7 /*!< Transaction system data */ -#define FIL_PAGE_TYPE_FSP_HDR 8 /*!< File space header */ -#define FIL_PAGE_TYPE_XDES 9 /*!< Extent descriptor page */ -#define FIL_PAGE_TYPE_BLOB 10 /*!< Uncompressed BLOB page */ -#define FIL_PAGE_TYPE_ZBLOB 11 /*!< First compressed BLOB page */ -#define FIL_PAGE_TYPE_ZBLOB2 12 /*!< Subsequent compressed BLOB page */ -/* @} */ - -/** Space types @{ */ -#define FIL_TABLESPACE 501 /*!< tablespace */ -#define FIL_LOG 502 /*!< redo log */ -/* @} */ - -/** The number of fsyncs done to the log */ -extern ulint fil_n_log_flushes; - -/** Number of pending redo log flushes */ -extern ulint fil_n_pending_log_flushes; -/** Number of pending tablespace flushes */ -extern ulint fil_n_pending_tablespace_flushes; - - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Returns the version number of a tablespace, -1 if not found. -@return version number, -1 if the tablespace does not exist in the -memory cache */ -UNIV_INTERN -ib_int64_t -fil_space_get_version( -/*==================*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** -Returns the latch of a file space. -@return latch protecting storage allocation */ -UNIV_INTERN -rw_lock_t* -fil_space_get_latch( -/*================*/ - ulint id, /*!< in: space id */ - ulint* zip_size);/*!< out: compressed page size, or - 0 for uncompressed tablespaces */ -/*******************************************************************//** -Returns the type of a file space. -@return FIL_TABLESPACE or FIL_LOG */ -UNIV_INTERN -ulint -fil_space_get_type( -/*===============*/ - ulint id); /*!< in: space id */ -#endif /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Appends a new file to the chain of files of a space. File must be closed. */ -UNIV_INTERN -void -fil_node_create( -/*============*/ - const char* name, /*!< in: file name (file must be closed) */ - ulint size, /*!< in: file size in database blocks, rounded - downwards to an integer */ - ulint id, /*!< in: space id where to append */ - ibool is_raw);/*!< in: TRUE if a raw device or - a raw disk partition */ -#ifdef UNIV_LOG_ARCHIVE -/****************************************************************//** -Drops files from the start of a file space, so that its size is cut by -the amount given. */ -UNIV_INTERN -void -fil_space_truncate_start( -/*=====================*/ - ulint id, /*!< in: space id */ - ulint trunc_len); /*!< in: truncate by this much; it is an error - if this does not equal to the combined size of - some initial files in the space */ -#endif /* UNIV_LOG_ARCHIVE */ -/*******************************************************************//** -Creates a space memory object and puts it to the 'fil system' hash table. If -there is an error, prints an error message to the .err log. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_space_create( -/*=============*/ - const char* name, /*!< in: space name */ - ulint id, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size, or - 0 for uncompressed tablespaces */ - ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ -/*******************************************************************//** -Returns the size of the space in pages. The tablespace must be cached in the -memory cache. -@return space size, 0 if space not found */ -UNIV_INTERN -ulint -fil_space_get_size( -/*===============*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** -Returns the flags of the space. The tablespace must be cached -in the memory cache. -@return flags, ULINT_UNDEFINED if space not found */ -UNIV_INTERN -ulint -fil_space_get_flags( -/*================*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** -Returns the compressed page size of the space, or 0 if the space -is not compressed. The tablespace must be cached in the memory cache. -@return compressed page size, ULINT_UNDEFINED if space not found */ -UNIV_INTERN -ulint -fil_space_get_zip_size( -/*===================*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** -Checks if the pair space, page_no refers to an existing page in a tablespace -file space. The tablespace must be cached in the memory cache. -@return TRUE if the address is meaningful */ -UNIV_INTERN -ibool -fil_check_adress_in_tablespace( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint page_no);/*!< in: page number */ -/****************************************************************//** -Initializes the tablespace memory cache. */ -UNIV_INTERN -void -fil_init( -/*=====*/ - ulint hash_size, /*!< in: hash table size */ - ulint max_n_open); /*!< in: max number of open files */ -/*******************************************************************//** -Initializes the tablespace memory cache. */ -UNIV_INTERN -void -fil_close(void); -/*===========*/ -/*******************************************************************//** -Opens all log files and system tablespace data files. They stay open until the -database server shutdown. This should be called at a server startup after the -space objects for the log and the system tablespace have been created. The -purpose of this operation is to make sure we never run out of file descriptors -if we need to read from the insert buffer or to write to the log. */ -UNIV_INTERN -void -fil_open_log_and_system_tablespace_files(void); -/*==========================================*/ -/*******************************************************************//** -Closes all open files. There must not be any pending i/o's or not flushed -modifications in the files. */ -UNIV_INTERN -void -fil_close_all_files(void); -/*=====================*/ -/*******************************************************************//** -Sets the max tablespace id counter if the given number is bigger than the -previous value. */ -UNIV_INTERN -void -fil_set_max_space_id_if_bigger( -/*===========================*/ - ulint max_id);/*!< in: maximum known id */ -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Writes the flushed lsn and the latest archived log number to the page -header of the first page of each data file in the system tablespace. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -fil_write_flushed_lsn_to_data_files( -/*================================*/ - ib_uint64_t lsn, /*!< in: lsn to write */ - ulint arch_log_no); /*!< in: latest archived log - file number */ -/*******************************************************************//** -Reads the flushed lsn and arch no fields from a data file at database -startup. */ -UNIV_INTERN -void -fil_read_flushed_lsn_and_arch_log_no( -/*=================================*/ - os_file_t data_file, /*!< in: open data file */ - ibool one_read_already, /*!< in: TRUE if min and max - parameters below already - contain sensible data */ -#ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no, /*!< in/out: */ - ulint* max_arch_log_no, /*!< in/out: */ -#endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn, /*!< in/out: */ - ib_uint64_t* max_flushed_lsn); /*!< in/out: */ -/*******************************************************************//** -Increments the count of pending insert buffer page merges, if space is not -being deleted. -@return TRUE if being deleted, and ibuf merges should be skipped */ -UNIV_INTERN -ibool -fil_inc_pending_ibuf_merges( -/*========================*/ - ulint id); /*!< in: space id */ -/*******************************************************************//** -Decrements the count of pending insert buffer page merges. */ -UNIV_INTERN -void -fil_decr_pending_ibuf_merges( -/*=========================*/ - ulint id); /*!< in: space id */ -#endif /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Parses the body of a log record written about an .ibd file operation. That is, -the log record part after the standard (type, space id, page no) header of the -log record. - -If desired, also replays the delete or rename operation if the .ibd file -exists and the space id in it matches. Replays the create operation if a file -at that path does not exist yet. If the database directory for the file to be -created does not exist, then we create the directory, too. - -Note that ibbackup --apply-log sets fil_path_to_mysql_datadir to point to the -datadir that we should use in replaying the file operations. -@return end of log record, or NULL if the record was not completely -contained between ptr and end_ptr */ -UNIV_INTERN -byte* -fil_op_log_parse_or_replay( -/*=======================*/ - byte* ptr, /*!< in: buffer containing the log record body, - or an initial segment of it, if the record does - not fir completely between ptr and end_ptr */ - byte* end_ptr, /*!< in: buffer end */ - ulint type, /*!< in: the type of this log record */ - ulint space_id, /*!< in: the space id of the tablespace in - question, or 0 if the log record should - only be parsed but not replayed */ - ulint log_flags); /*!< in: redo log flags - (stored in the page number parameter) */ -/*******************************************************************//** -Deletes a single-table tablespace. The tablespace must be cached in the -memory cache. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_delete_tablespace( -/*==================*/ - ulint id); /*!< in: space id */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Discards a single-table tablespace. The tablespace must be cached in the -memory cache. Discarding is like deleting a tablespace, but -1) we do not drop the table from the data dictionary; -2) we remove all insert buffer entries for the tablespace immediately; in DROP -TABLE they are only removed gradually in the background; -3) when the user does IMPORT TABLESPACE, the tablespace will have the same id -as it originally had. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_discard_tablespace( -/*===================*/ - ulint id); /*!< in: space id */ -#endif /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Renames a single-table tablespace. The tablespace must be cached in the -tablespace memory cache. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_rename_tablespace( -/*==================*/ - const char* old_name, /*!< in: old table name in the standard - databasename/tablename format of - InnoDB, or NULL if we do the rename - based on the space id only */ - ulint id, /*!< in: space id */ - const char* new_name); /*!< in: new table name in the standard - databasename/tablename format - of InnoDB */ - -/*******************************************************************//** -Creates a new single-table tablespace to a database directory of MySQL. -Database directories are under the 'datadir' of MySQL. The datadir is the -directory of a running mysqld program. We can refer to it by simply the -path '.'. Tables created with CREATE TEMPORARY TABLE we place in the temp -dir of the mysqld server. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -fil_create_new_single_table_tablespace( -/*===================================*/ - ulint* space_id, /*!< in/out: space id; if this is != 0, - then this is an input parameter, - otherwise output */ - const char* tablename, /*!< in: the table name in the usual - databasename/tablename format - of InnoDB, or a dir path to a temp - table */ - ibool is_temp, /*!< in: TRUE if a table created with - CREATE TEMPORARY TABLE */ - ulint flags, /*!< in: tablespace flags */ - ulint size); /*!< in: the initial size of the - tablespace file in pages, - must be >= FIL_IBD_FILE_INITIAL_SIZE */ -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Tries to open a single-table tablespace and optionally checks the space id is -right in it. If does not succeed, prints an error message to the .err log. This -function is used to open a tablespace when we start up mysqld, and also in -IMPORT TABLESPACE. -NOTE that we assume this operation is used either at the database startup -or under the protection of the dictionary mutex, so that two users cannot -race here. This operation does not leave the file associated with the -tablespace open, but closes it after we have looked at the space id in it. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_open_single_table_tablespace( -/*=============================*/ - ibool check_space_id, /*!< in: should we check that the space - id in the file is right; we assume - that this function runs much faster - if no check is made, since accessing - the file inode probably is much - faster (the OS caches them) than - accessing the first page of the file */ - ulint id, /*!< in: space id */ - ulint flags, /*!< in: tablespace flags */ - const char* name); /*!< in: table name in the - databasename/tablename format */ -/********************************************************************//** -It is possible, though very improbable, that the lsn's in the tablespace to be -imported have risen above the current system lsn, if a lengthy purge, ibuf -merge, or rollback was performed on a backup taken with ibbackup. If that is -the case, reset page lsn's in the file. We assume that mysqld was shut down -after it performed these cleanup operations on the .ibd file, so that it at -the shutdown stamped the latest lsn to the FIL_PAGE_FILE_FLUSH_LSN in the -first page of the .ibd file, and we can determine whether we need to reset the -lsn's just by looking at that flush lsn. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_reset_too_high_lsns( -/*====================*/ - const char* name, /*!< in: table name in the - databasename/tablename format */ - ib_uint64_t current_lsn); /*!< in: reset lsn's if the lsn stamped - to FIL_PAGE_FILE_FLUSH_LSN in the - first page is too high */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -At the server startup, if we need crash recovery, scans the database -directories under the MySQL datadir, looking for .ibd files. Those files are -single-table tablespaces. We need to know the space id in each of them so that -we know into which file we should look to check the contents of a page stored -in the doublewrite buffer, also to know where to apply log records where the -space id is != 0. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -fil_load_single_table_tablespaces(void); -/*===================================*/ -/********************************************************************//** -If we need crash recovery, and we have called -fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), -we can call this function to print an error message of orphaned .ibd files -for which there is not a data dictionary entry with a matching table name -and space id. */ -UNIV_INTERN -void -fil_print_orphaned_tablespaces(void); -/*================================*/ -/*******************************************************************//** -Returns TRUE if a single-table tablespace does not exist in the memory cache, -or is being deleted there. -@return TRUE if does not exist or is being\ deleted */ -UNIV_INTERN -ibool -fil_tablespace_deleted_or_being_deleted_in_mem( -/*===========================================*/ - ulint id, /*!< in: space id */ - ib_int64_t version);/*!< in: tablespace_version should be this; if - you pass -1 as the value of this, then this - parameter is ignored */ -/*******************************************************************//** -Returns TRUE if a single-table tablespace exists in the memory cache. -@return TRUE if exists */ -UNIV_INTERN -ibool -fil_tablespace_exists_in_mem( -/*=========================*/ - ulint id); /*!< in: space id */ -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Returns TRUE if a matching tablespace exists in the InnoDB tablespace memory -cache. Note that if we have not done a crash recovery at the database startup, -there may be many tablespaces which are not yet in the memory cache. -@return TRUE if a matching tablespace exists in the memory cache */ -UNIV_INTERN -ibool -fil_space_for_table_exists_in_mem( -/*==============================*/ - ulint id, /*!< in: space id */ - const char* name, /*!< in: table name in the standard - 'databasename/tablename' format or - the dir path to a temp table */ - ibool is_temp, /*!< in: TRUE if created with CREATE - TEMPORARY TABLE */ - ibool mark_space, /*!< in: in crash recovery, at database - startup we mark all spaces which have - an associated table in the InnoDB - data dictionary, so that - we can print a warning about orphaned - tablespaces */ - ibool print_error_if_does_not_exist); - /*!< in: print detailed error - information to the .err log if a - matching tablespace is not found from - memory */ -#else /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Extends all tablespaces to the size stored in the space header. During the -ibbackup --apply-log phase we extended the spaces on-demand so that log records -could be appllied, but that may have left spaces still too small compared to -the size stored in the space header. */ -UNIV_INTERN -void -fil_extend_tablespaces_to_stored_len(void); -/*======================================*/ -#endif /* !UNIV_HOTBACKUP */ -/**********************************************************************//** -Tries to extend a data file so that it would accommodate the number of pages -given. The tablespace must be cached in the memory cache. If the space is big -enough already, does nothing. -@return TRUE if success */ -UNIV_INTERN -ibool -fil_extend_space_to_desired_size( -/*=============================*/ - ulint* actual_size, /*!< out: size of the space after extension; - if we ran out of disk space this may be lower - than the desired size */ - ulint space_id, /*!< in: space id */ - ulint size_after_extend);/*!< in: desired size in pages after the - extension; if the current space size is bigger - than this already, the function does nothing */ -/*******************************************************************//** -Tries to reserve free extents in a file space. -@return TRUE if succeed */ -UNIV_INTERN -ibool -fil_space_reserve_free_extents( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint n_free_now, /*!< in: number of free extents now */ - ulint n_to_reserve); /*!< in: how many one wants to reserve */ -/*******************************************************************//** -Releases free extents in a file space. */ -UNIV_INTERN -void -fil_space_release_free_extents( -/*===========================*/ - ulint id, /*!< in: space id */ - ulint n_reserved); /*!< in: how many one reserved */ -/*******************************************************************//** -Gets the number of reserved extents. If the database is silent, this number -should be zero. */ -UNIV_INTERN -ulint -fil_space_get_n_reserved_extents( -/*=============================*/ - ulint id); /*!< in: space id */ -/********************************************************************//** -Reads or writes data. This operation is asynchronous (aio). -@return DB_SUCCESS, or DB_TABLESPACE_DELETED if we are trying to do -i/o on a tablespace which does not exist */ -UNIV_INTERN -ulint -fil_io( -/*===*/ - ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE, - ORed to OS_FILE_LOG, if a log i/o - and ORed to OS_AIO_SIMULATED_WAKE_LATER - if simulated aio and we want to post a - batch of i/os; NOTE that a simulated batch - may introduce hidden chances of deadlocks, - because i/os are not actually handled until - all have been posted: use with great - caution! */ - ibool sync, /*!< in: TRUE if synchronous aio is desired */ - ulint space_id, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint block_offset, /*!< in: offset in number of blocks */ - ulint byte_offset, /*!< in: remainder of offset in bytes; in - aio this must be divisible by the OS block - size */ - ulint len, /*!< in: how many bytes to read or write; this - must not cross a file boundary; in aio this - must be a block size multiple */ - void* buf, /*!< in/out: buffer where to store read data - or from where to write; in aio this must be - appropriately aligned */ - void* message); /*!< in: message for aio handler if non-sync - aio used, else ignored */ -/**********************************************************************//** -Waits for an aio operation to complete. This function is used to write the -handler for completed requests. The aio array of pending requests is divided -into segments (see os0file.c for more info). The thread specifies which -segment it wants to wait for. */ -UNIV_INTERN -void -fil_aio_wait( -/*=========*/ - ulint segment); /*!< in: the number of the segment in the aio - array to wait for */ -/**********************************************************************//** -Flushes to disk possible writes cached by the OS. If the space does not exist -or is being dropped, does not do anything. */ -UNIV_INTERN -void -fil_flush( -/*======*/ - ulint space_id); /*!< in: file space id (this can be a group of - log files or a tablespace of the database) */ -/**********************************************************************//** -Flushes to disk writes in file spaces of the given type possibly cached by -the OS. */ -UNIV_INTERN -void -fil_flush_file_spaces( -/*==================*/ - ulint purpose); /*!< in: FIL_TABLESPACE, FIL_LOG */ -/******************************************************************//** -Checks the consistency of the tablespace cache. -@return TRUE if ok */ -UNIV_INTERN -ibool -fil_validate(void); -/*==============*/ -/********************************************************************//** -Returns TRUE if file address is undefined. -@return TRUE if undefined */ -UNIV_INTERN -ibool -fil_addr_is_null( -/*=============*/ - fil_addr_t addr); /*!< in: address */ -/********************************************************************//** -Get the predecessor of a file page. -@return FIL_PAGE_PREV */ -UNIV_INTERN -ulint -fil_page_get_prev( -/*==============*/ - const byte* page); /*!< in: file page */ -/********************************************************************//** -Get the successor of a file page. -@return FIL_PAGE_NEXT */ -UNIV_INTERN -ulint -fil_page_get_next( -/*==============*/ - const byte* page); /*!< in: file page */ -/*********************************************************************//** -Sets the file page type. */ -UNIV_INTERN -void -fil_page_set_type( -/*==============*/ - byte* page, /*!< in/out: file page */ - ulint type); /*!< in: type */ -/*********************************************************************//** -Gets the file page type. -@return type; NOTE that if the type has not been written to page, the -return value not defined */ -UNIV_INTERN -ulint -fil_page_get_type( -/*==============*/ - const byte* page); /*!< in: file page */ - - -typedef struct fil_space_struct fil_space_t; - -#endif diff --git a/perfschema/include/fsp0fsp.h b/perfschema/include/fsp0fsp.h deleted file mode 100644 index 7abd3914eda..00000000000 --- a/perfschema/include/fsp0fsp.h +++ /dev/null @@ -1,359 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/fsp0fsp.h -File space management - -Created 12/18/1995 Heikki Tuuri -*******************************************************/ - -#ifndef fsp0fsp_h -#define fsp0fsp_h - -#include "univ.i" - -#include "mtr0mtr.h" -#include "fut0lst.h" -#include "ut0byte.h" -#include "page0types.h" -#include "fsp0types.h" - -/**********************************************************************//** -Initializes the file space system. */ -UNIV_INTERN -void -fsp_init(void); -/*==========*/ -/**********************************************************************//** -Gets the current free limit of the system tablespace. The free limit -means the place of the first page which has never been put to the -free list for allocation. The space above that address is initialized -to zero. Sets also the global variable log_fsp_current_free_limit. -@return free limit in megabytes */ -UNIV_INTERN -ulint -fsp_header_get_free_limit(void); -/*===========================*/ -/**********************************************************************//** -Gets the size of the system tablespace from the tablespace header. If -we do not have an auto-extending data file, this should be equal to -the size of the data files. If there is an auto-extending data file, -this can be smaller. -@return size in pages */ -UNIV_INTERN -ulint -fsp_header_get_tablespace_size(void); -/*================================*/ -/**********************************************************************//** -Reads the file space size stored in the header page. -@return tablespace size stored in the space header */ -UNIV_INTERN -ulint -fsp_get_size_low( -/*=============*/ - page_t* page); /*!< in: header page (page 0 in the tablespace) */ -/**********************************************************************//** -Reads the space id from the first page of a tablespace. -@return space id, ULINT UNDEFINED if error */ -UNIV_INTERN -ulint -fsp_header_get_space_id( -/*====================*/ - const page_t* page); /*!< in: first page of a tablespace */ -/**********************************************************************//** -Reads the space flags from the first page of a tablespace. -@return flags */ -UNIV_INTERN -ulint -fsp_header_get_flags( -/*=================*/ - const page_t* page); /*!< in: first page of a tablespace */ -/**********************************************************************//** -Reads the compressed page size from the first page of a tablespace. -@return compressed page size in bytes, or 0 if uncompressed */ -UNIV_INTERN -ulint -fsp_header_get_zip_size( -/*====================*/ - const page_t* page); /*!< in: first page of a tablespace */ -/**********************************************************************//** -Writes the space id and compressed page size to a tablespace header. -This function is used past the buffer pool when we in fil0fil.c create -a new single-table tablespace. */ -UNIV_INTERN -void -fsp_header_init_fields( -/*===================*/ - page_t* page, /*!< in/out: first page in the space */ - ulint space_id, /*!< in: space id */ - ulint flags); /*!< in: tablespace flags (FSP_SPACE_FLAGS): - 0, or table->flags if newer than COMPACT */ -/**********************************************************************//** -Initializes the space header of a new created space and creates also the -insert buffer tree root if space == 0. */ -UNIV_INTERN -void -fsp_header_init( -/*============*/ - ulint space, /*!< in: space id */ - ulint size, /*!< in: current size in blocks */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/**********************************************************************//** -Increases the space size field of a space. */ -UNIV_INTERN -void -fsp_header_inc_size( -/*================*/ - ulint space, /*!< in: space id */ - ulint size_inc,/*!< in: size increment in pages */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/**********************************************************************//** -Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL -if could not create segment because of lack of space */ -UNIV_INTERN -buf_block_t* -fseg_create( -/*========*/ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page where the segment header is placed: if - this is != 0, the page must belong to another segment, - if this is 0, a new page will be allocated and it - will belong to the created segment */ - ulint byte_offset, /*!< in: byte offset of the created segment header - on the page */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Creates a new segment. -@return the block where the segment header is placed, x-latched, NULL -if could not create segment because of lack of space */ -UNIV_INTERN -buf_block_t* -fseg_create_general( -/*================*/ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page where the segment header is placed: if - this is != 0, the page must belong to another segment, - if this is 0, a new page will be allocated and it - will belong to the created segment */ - ulint byte_offset, /*!< in: byte offset of the created segment header - on the page */ - ibool has_done_reservation, /*!< in: TRUE if the caller has already - done the reservation for the pages with - fsp_reserve_free_extents (at least 2 extents: one for - the inode and the other for the segment) then there is - no need to do the check for this individual - operation */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Calculates the number of pages reserved by a segment, and how many pages are -currently used. -@return number of reserved pages */ -UNIV_INTERN -ulint -fseg_n_reserved_pages( -/*==================*/ - fseg_header_t* header, /*!< in: segment header */ - ulint* used, /*!< out: number of pages used (<= reserved) */ - mtr_t* mtr); /*!< in: mtr handle */ -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize -file space fragmentation. -@return the allocated page offset FIL_NULL if no page could be allocated */ -UNIV_INTERN -ulint -fseg_alloc_free_page( -/*=================*/ - fseg_header_t* seg_header, /*!< in: segment header */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction, /*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - mtr_t* mtr); /*!< in: mtr handle */ -/**********************************************************************//** -Allocates a single free page from a segment. This function implements -the intelligent allocation strategy which tries to minimize file space -fragmentation. -@return allocated page offset, FIL_NULL if no page could be allocated */ -UNIV_INTERN -ulint -fseg_alloc_free_page_general( -/*=========================*/ - fseg_header_t* seg_header,/*!< in: segment header */ - ulint hint, /*!< in: hint of which page would be desirable */ - byte direction,/*!< in: if the new page is needed because - of an index page split, and records are - inserted there in order, into which - direction they go alphabetically: FSP_DOWN, - FSP_UP, FSP_NO_DIR */ - ibool has_done_reservation, /*!< in: TRUE if the caller has - already done the reservation for the page - with fsp_reserve_free_extents, then there - is no need to do the check for this individual - page */ - mtr_t* mtr); /*!< in: mtr handle */ -/**********************************************************************//** -Reserves free pages from a tablespace. All mini-transactions which may -use several pages from the tablespace should call this function beforehand -and reserve enough free extents so that they certainly will be able -to do their operation, like a B-tree page split, fully. Reservations -must be released with function fil_space_release_free_extents! - -The alloc_type below has the following meaning: FSP_NORMAL means an -operation which will probably result in more space usage, like an -insert in a B-tree; FSP_UNDO means allocation to undo logs: if we are -deleting rows, then this allocation will in the long run result in -less space usage (after a purge); FSP_CLEANING means allocation done -in a physical record delete (like in a purge) or other cleaning operation -which will result in less space usage in the long run. We prefer the latter -two types of allocation: when space is scarce, FSP_NORMAL allocations -will not succeed, but the latter two allocations will succeed, if possible. -The purpose is to avoid dead end where the database is full but the -user cannot free any space because these freeing operations temporarily -reserve some space. - -Single-table tablespaces whose size is < 32 pages are a special case. In this -function we would liberally reserve several 64 page extents for every page -split or merge in a B-tree. But we do not want to waste disk space if the table -only occupies < 32 pages. That is why we apply different rules in that special -case, just ensuring that there are 3 free pages available. -@return TRUE if we were able to make the reservation */ -UNIV_INTERN -ibool -fsp_reserve_free_extents( -/*=====================*/ - ulint* n_reserved,/*!< out: number of extents actually reserved; if we - return TRUE and the tablespace size is < 64 pages, - then this can be 0, otherwise it is n_ext */ - ulint space, /*!< in: space id */ - ulint n_ext, /*!< in: number of extents to reserve */ - ulint alloc_type,/*!< in: FSP_NORMAL, FSP_UNDO, or FSP_CLEANING */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -This function should be used to get information on how much we still -will be able to insert new data to the database without running out the -tablespace. Only free extents are taken into account and we also subtract -the safety margin required by the above function fsp_reserve_free_extents. -@return available space in kB */ -UNIV_INTERN -ullint -fsp_get_available_space_in_free_extents( -/*====================================*/ - ulint space); /*!< in: space id */ -/**********************************************************************//** -Frees a single page of a segment. */ -UNIV_INTERN -void -fseg_free_page( -/*===========*/ - fseg_header_t* seg_header, /*!< in: segment header */ - ulint space, /*!< in: space id */ - ulint page, /*!< in: page offset */ - mtr_t* mtr); /*!< in: mtr handle */ -/**********************************************************************//** -Frees part of a segment. This function can be used to free a segment -by repeatedly calling this function in different mini-transactions. -Doing the freeing in a single mini-transaction might result in -too big a mini-transaction. -@return TRUE if freeing completed */ -UNIV_INTERN -ibool -fseg_free_step( -/*===========*/ - fseg_header_t* header, /*!< in, own: segment header; NOTE: if the header - resides on the first page of the frag list - of the segment, this pointer becomes obsolete - after the last freeing step */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -Frees part of a segment. Differs from fseg_free_step because this function -leaves the header page unfreed. -@return TRUE if freeing completed, except the header page */ -UNIV_INTERN -ibool -fseg_free_step_not_header( -/*======================*/ - fseg_header_t* header, /*!< in: segment header which must reside on - the first fragment page of the segment */ - mtr_t* mtr); /*!< in: mtr */ -/***********************************************************************//** -Checks if a page address is an extent descriptor page address. -@return TRUE if a descriptor page */ -UNIV_INLINE -ibool -fsp_descr_page( -/*===========*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no);/*!< in: page number */ -/***********************************************************//** -Parses a redo log record of a file page init. -@return end of log record or NULL */ -UNIV_INTERN -byte* -fsp_parse_init_file_page( -/*=====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr, /*!< in: buffer end */ - buf_block_t* block); /*!< in: block or NULL */ -/*******************************************************************//** -Validates the file space system and its segments. -@return TRUE if ok */ -UNIV_INTERN -ibool -fsp_validate( -/*=========*/ - ulint space); /*!< in: space id */ -/*******************************************************************//** -Prints info of a file space. */ -UNIV_INTERN -void -fsp_print( -/*======*/ - ulint space); /*!< in: space id */ -#ifdef UNIV_DEBUG -/*******************************************************************//** -Validates a segment. -@return TRUE if ok */ -UNIV_INTERN -ibool -fseg_validate( -/*==========*/ - fseg_header_t* header, /*!< in: segment header */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* UNIV_DEBUG */ -#ifdef UNIV_BTR_PRINT -/*******************************************************************//** -Writes info of a segment. */ -UNIV_INTERN -void -fseg_print( -/*=======*/ - fseg_header_t* header, /*!< in: segment header */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* UNIV_BTR_PRINT */ - -#ifndef UNIV_NONINL -#include "fsp0fsp.ic" -#endif - -#endif diff --git a/perfschema/include/fsp0fsp.ic b/perfschema/include/fsp0fsp.ic deleted file mode 100644 index 434c370b527..00000000000 --- a/perfschema/include/fsp0fsp.ic +++ /dev/null @@ -1,45 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/fsp0fsp.ic -File space management - -Created 12/18/1995 Heikki Tuuri -*******************************************************/ - -/***********************************************************************//** -Checks if a page address is an extent descriptor page address. -@return TRUE if a descriptor page */ -UNIV_INLINE -ibool -fsp_descr_page( -/*===========*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no)/*!< in: page number */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return(UNIV_UNLIKELY((page_no & (UNIV_PAGE_SIZE - 1)) - == FSP_XDES_OFFSET)); - } - - return(UNIV_UNLIKELY((page_no & (zip_size - 1)) == FSP_XDES_OFFSET)); -} diff --git a/perfschema/include/fsp0types.h b/perfschema/include/fsp0types.h deleted file mode 100644 index 496081c2346..00000000000 --- a/perfschema/include/fsp0types.h +++ /dev/null @@ -1,110 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/****************************************************** -@file include/fsp0types.h -File space management types - -Created May 26, 2009 Vasil Dimov -*******************************************************/ - -#ifndef fsp0types_h -#define fsp0types_h - -#include "univ.i" - -#include "fil0fil.h" /* for FIL_PAGE_DATA */ - -/** @name Flags for inserting records in order -If records are inserted in order, there are the following -flags to tell this (their type is made byte for the compiler -to warn if direction and hint parameters are switched in -fseg_alloc_free_page) */ -/* @{ */ -#define FSP_UP ((byte)111) /*!< alphabetically upwards */ -#define FSP_DOWN ((byte)112) /*!< alphabetically downwards */ -#define FSP_NO_DIR ((byte)113) /*!< no order */ -/* @} */ - -/** File space extent size (one megabyte) in pages */ -#define FSP_EXTENT_SIZE (1 << (20 - UNIV_PAGE_SIZE_SHIFT)) - -/** On a page of any file segment, data may be put starting from this -offset */ -#define FSEG_PAGE_DATA FIL_PAGE_DATA - -/** @name File segment header -The file segment header points to the inode describing the file segment. */ -/* @{ */ -/** Data type for file segment header */ -typedef byte fseg_header_t; - -#define FSEG_HDR_SPACE 0 /*!< space id of the inode */ -#define FSEG_HDR_PAGE_NO 4 /*!< page number of the inode */ -#define FSEG_HDR_OFFSET 8 /*!< byte offset of the inode */ - -#define FSEG_HEADER_SIZE 10 /*!< Length of the file system - header, in bytes */ -/* @} */ - -/** Flags for fsp_reserve_free_extents @{ */ -#define FSP_NORMAL 1000000 -#define FSP_UNDO 2000000 -#define FSP_CLEANING 3000000 -/* @} */ - -/* Number of pages described in a single descriptor page: currently each page -description takes less than 1 byte; a descriptor page is repeated every -this many file pages */ -/* #define XDES_DESCRIBED_PER_PAGE UNIV_PAGE_SIZE */ -/* This has been replaced with either UNIV_PAGE_SIZE or page_zip->size. */ - -/** @name The space low address page map -The pages at FSP_XDES_OFFSET and FSP_IBUF_BITMAP_OFFSET are repeated -every XDES_DESCRIBED_PER_PAGE pages in every tablespace. */ -/* @{ */ -/*--------------------------------------*/ -#define FSP_XDES_OFFSET 0 /* !< extent descriptor */ -#define FSP_IBUF_BITMAP_OFFSET 1 /* !< insert buffer bitmap */ - /* The ibuf bitmap pages are the ones whose - page number is the number above plus a - multiple of XDES_DESCRIBED_PER_PAGE */ - -#define FSP_FIRST_INODE_PAGE_NO 2 /*!< in every tablespace */ - /* The following pages exist - in the system tablespace (space 0). */ -#define FSP_IBUF_HEADER_PAGE_NO 3 /*!< insert buffer - header page, in - tablespace 0 */ -#define FSP_IBUF_TREE_ROOT_PAGE_NO 4 /*!< insert buffer - B-tree root page in - tablespace 0 */ - /* The ibuf tree root page number in - tablespace 0; its fseg inode is on the page - number FSP_FIRST_INODE_PAGE_NO */ -#define FSP_TRX_SYS_PAGE_NO 5 /*!< transaction - system header, in - tablespace 0 */ -#define FSP_FIRST_RSEG_PAGE_NO 6 /*!< first rollback segment - page, in tablespace 0 */ -#define FSP_DICT_HDR_PAGE_NO 7 /*!< data dictionary header - page, in tablespace 0 */ -/*--------------------------------------*/ -/* @} */ - -#endif /* fsp0types_h */ diff --git a/perfschema/include/fut0fut.h b/perfschema/include/fut0fut.h deleted file mode 100644 index dce20b3bad6..00000000000 --- a/perfschema/include/fut0fut.h +++ /dev/null @@ -1,55 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/fut0fut.h -File-based utilities - -Created 12/13/1995 Heikki Tuuri -***********************************************************************/ - - -#ifndef fut0fut_h -#define fut0fut_h - -#include "univ.i" - -#include "fil0fil.h" -#include "mtr0mtr.h" - -/********************************************************************//** -Gets a pointer to a file address and latches the page. -@return pointer to a byte in a frame; the file page in the frame is -bufferfixed and latched */ -UNIV_INLINE -byte* -fut_get_ptr( -/*========*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fil_addr_t addr, /*!< in: file address */ - ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ - mtr_t* mtr); /*!< in: mtr handle */ - -#ifndef UNIV_NONINL -#include "fut0fut.ic" -#endif - -#endif - diff --git a/perfschema/include/fut0fut.ic b/perfschema/include/fut0fut.ic deleted file mode 100644 index 0b52719a055..00000000000 --- a/perfschema/include/fut0fut.ic +++ /dev/null @@ -1,56 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/fut0fut.ic -File-based utilities - -Created 12/13/1995 Heikki Tuuri -***********************************************************************/ - -#include "sync0rw.h" -#include "buf0buf.h" - -/********************************************************************//** -Gets a pointer to a file address and latches the page. -@return pointer to a byte in a frame; the file page in the frame is -bufferfixed and latched */ -UNIV_INLINE -byte* -fut_get_ptr( -/*========*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - fil_addr_t addr, /*!< in: file address */ - ulint rw_latch, /*!< in: RW_S_LATCH, RW_X_LATCH */ - mtr_t* mtr) /*!< in: mtr handle */ -{ - buf_block_t* block; - byte* ptr; - - ut_ad(addr.boffset < UNIV_PAGE_SIZE); - ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH)); - - block = buf_page_get(space, zip_size, addr.page, rw_latch, mtr); - ptr = buf_block_get_frame(block) + addr.boffset; - - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - return(ptr); -} diff --git a/perfschema/include/fut0lst.h b/perfschema/include/fut0lst.h deleted file mode 100644 index fe024c2498f..00000000000 --- a/perfschema/include/fut0lst.h +++ /dev/null @@ -1,217 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/fut0lst.h -File-based list utilities - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#ifndef fut0lst_h -#define fut0lst_h - -#include "univ.i" - -#include "fil0fil.h" -#include "mtr0mtr.h" - - -/* The C 'types' of base node and list node: these should be used to -write self-documenting code. Of course, the sizeof macro cannot be -applied to these types! */ - -typedef byte flst_base_node_t; -typedef byte flst_node_t; - -/* The physical size of a list base node in bytes */ -#define FLST_BASE_NODE_SIZE (4 + 2 * FIL_ADDR_SIZE) - -/* The physical size of a list node in bytes */ -#define FLST_NODE_SIZE (2 * FIL_ADDR_SIZE) - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Initializes a list base node. */ -UNIV_INLINE -void -flst_init( -/*======*/ - flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Adds a node as the last node in a list. */ -UNIV_INTERN -void -flst_add_last( -/*==========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node, /*!< in: node to add */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Adds a node as the first node in a list. */ -UNIV_INTERN -void -flst_add_first( -/*===========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node, /*!< in: node to add */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Inserts a node after another in a list. */ -UNIV_INTERN -void -flst_insert_after( -/*==============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node1, /*!< in: node to insert after */ - flst_node_t* node2, /*!< in: node to add */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Inserts a node before another in a list. */ -UNIV_INTERN -void -flst_insert_before( -/*===============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: node to insert */ - flst_node_t* node3, /*!< in: node to insert before */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Removes a node. */ -UNIV_INTERN -void -flst_remove( -/*========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: node to remove */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Cuts off the tail of the list, including the node given. The number of -nodes which will be removed must be provided by the caller, as this function -does not measure the length of the tail. */ -UNIV_INTERN -void -flst_cut_end( -/*=========*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: first node to remove */ - ulint n_nodes,/*!< in: number of nodes to remove, - must be >= 1 */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Cuts off the tail of the list, not including the given node. The number of -nodes which will be removed must be provided by the caller, as this function -does not measure the length of the tail. */ -UNIV_INTERN -void -flst_truncate_end( -/*==============*/ - flst_base_node_t* base, /*!< in: pointer to base node of list */ - flst_node_t* node2, /*!< in: first node not to remove */ - ulint n_nodes,/*!< in: number of nodes to remove */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Gets list length. -@return length */ -UNIV_INLINE -ulint -flst_get_len( -/*=========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Gets list first node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_first( -/*===========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Gets list last node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_last( -/*==========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Gets list next node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_next_addr( -/*===============*/ - const flst_node_t* node, /*!< in: pointer to node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Gets list prev node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_prev_addr( -/*===============*/ - const flst_node_t* node, /*!< in: pointer to node */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Writes a file address. */ -UNIV_INLINE -void -flst_write_addr( -/*============*/ - fil_faddr_t* faddr, /*!< in: pointer to file faddress */ - fil_addr_t addr, /*!< in: file address */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Reads a file address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_read_addr( -/*===========*/ - const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************************//** -Validates a file-based list. -@return TRUE if ok */ -UNIV_INTERN -ibool -flst_validate( -/*==========*/ - const flst_base_node_t* base, /*!< in: pointer to base node of list */ - mtr_t* mtr1); /*!< in: mtr */ -/********************************************************************//** -Prints info of a file-based list. */ -UNIV_INTERN -void -flst_print( -/*=======*/ - const flst_base_node_t* base, /*!< in: pointer to base node of list */ - mtr_t* mtr); /*!< in: mtr */ - - -#ifndef UNIV_NONINL -#include "fut0lst.ic" -#endif - -#endif /* !UNIV_HOTBACKUP */ - -#endif diff --git a/perfschema/include/fut0lst.ic b/perfschema/include/fut0lst.ic deleted file mode 100644 index dcd13c61871..00000000000 --- a/perfschema/include/fut0lst.ic +++ /dev/null @@ -1,167 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/fut0lst.ic -File-based list utilities - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#include "fut0fut.h" -#include "mtr0log.h" -#include "buf0buf.h" - -/* We define the field offsets of a node for the list */ -#define FLST_PREV 0 /* 6-byte address of the previous list element; - the page part of address is FIL_NULL, if no - previous element */ -#define FLST_NEXT FIL_ADDR_SIZE /* 6-byte address of the next - list element; the page part of address - is FIL_NULL, if no next element */ - -/* We define the field offsets of a base node for the list */ -#define FLST_LEN 0 /* 32-bit list length field */ -#define FLST_FIRST 4 /* 6-byte address of the first element - of the list; undefined if empty list */ -#define FLST_LAST (4 + FIL_ADDR_SIZE) /* 6-byte address of the - last element of the list; undefined - if empty list */ - -/********************************************************************//** -Writes a file address. */ -UNIV_INLINE -void -flst_write_addr( -/*============*/ - fil_faddr_t* faddr, /*!< in: pointer to file faddress */ - fil_addr_t addr, /*!< in: file address */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(faddr && mtr); - ut_ad(mtr_memo_contains_page(mtr, faddr, MTR_MEMO_PAGE_X_FIX)); - ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); - ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); - - mlog_write_ulint(faddr + FIL_ADDR_PAGE, addr.page, MLOG_4BYTES, mtr); - mlog_write_ulint(faddr + FIL_ADDR_BYTE, addr.boffset, - MLOG_2BYTES, mtr); -} - -/********************************************************************//** -Reads a file address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_read_addr( -/*===========*/ - const fil_faddr_t* faddr, /*!< in: pointer to file faddress */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - fil_addr_t addr; - - ut_ad(faddr && mtr); - - addr.page = mtr_read_ulint(faddr + FIL_ADDR_PAGE, MLOG_4BYTES, mtr); - addr.boffset = mtr_read_ulint(faddr + FIL_ADDR_BYTE, MLOG_2BYTES, - mtr); - ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA); - ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA); - return(addr); -} - -/********************************************************************//** -Initializes a list base node. */ -UNIV_INLINE -void -flst_init( -/*======*/ - flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX)); - - mlog_write_ulint(base + FLST_LEN, 0, MLOG_4BYTES, mtr); - flst_write_addr(base + FLST_FIRST, fil_addr_null, mtr); - flst_write_addr(base + FLST_LAST, fil_addr_null, mtr); -} - -/********************************************************************//** -Gets list length. -@return length */ -UNIV_INLINE -ulint -flst_get_len( -/*=========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - return(mtr_read_ulint(base + FLST_LEN, MLOG_4BYTES, mtr)); -} - -/********************************************************************//** -Gets list first node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_first( -/*===========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - return(flst_read_addr(base + FLST_FIRST, mtr)); -} - -/********************************************************************//** -Gets list last node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_last( -/*==========*/ - const flst_base_node_t* base, /*!< in: pointer to base node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - return(flst_read_addr(base + FLST_LAST, mtr)); -} - -/********************************************************************//** -Gets list next node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_next_addr( -/*===============*/ - const flst_node_t* node, /*!< in: pointer to node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - return(flst_read_addr(node + FLST_NEXT, mtr)); -} - -/********************************************************************//** -Gets list prev node address. -@return file address */ -UNIV_INLINE -fil_addr_t -flst_get_prev_addr( -/*===============*/ - const flst_node_t* node, /*!< in: pointer to node */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - return(flst_read_addr(node + FLST_PREV, mtr)); -} diff --git a/perfschema/include/ha0ha.h b/perfschema/include/ha0ha.h deleted file mode 100644 index 1ffbd3440aa..00000000000 --- a/perfschema/include/ha0ha.h +++ /dev/null @@ -1,241 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ha0ha.h -The hash table with external chains - -Created 8/18/1994 Heikki Tuuri -*******************************************************/ - -#ifndef ha0ha_h -#define ha0ha_h - -#include "univ.i" - -#include "hash0hash.h" -#include "page0types.h" -#include "buf0types.h" - -/*************************************************************//** -Looks for an element in a hash table. -@return pointer to the data of the first hash table node in chain -having the fold number, NULL if not found */ -UNIV_INLINE -void* -ha_search_and_get_data( -/*===================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: folded value of the searched data */ -/*********************************************************//** -Looks for an element when we know the pointer to the data and updates -the pointer to data if found. */ -UNIV_INTERN -void -ha_search_and_update_if_found_func( -/*===============================*/ - hash_table_t* table, /*!< in/out: hash table */ - ulint fold, /*!< in: folded value of the searched data */ - void* data, /*!< in: pointer to the data */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* new_block,/*!< in: block containing new_data */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* new_data);/*!< in: new pointer to the data */ - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -/** Looks for an element when we know the pointer to the data and -updates the pointer to data if found. -@param table in/out: hash table -@param fold in: folded value of the searched data -@param data in: pointer to the data -@param new_block in: block containing new_data -@param new_data in: new pointer to the data */ -# define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ - ha_search_and_update_if_found_func(table,fold,data,new_block,new_data) -#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/** Looks for an element when we know the pointer to the data and -updates the pointer to data if found. -@param table in/out: hash table -@param fold in: folded value of the searched data -@param data in: pointer to the data -@param new_block ignored: block containing new_data -@param new_data in: new pointer to the data */ -# define ha_search_and_update_if_found(table,fold,data,new_block,new_data) \ - ha_search_and_update_if_found_func(table,fold,data,new_data) -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/*************************************************************//** -Creates a hash table with at least n array cells. The actual number -of cells is chosen to be a prime number slightly bigger than n. -@return own: created table */ -UNIV_INTERN -hash_table_t* -ha_create_func( -/*===========*/ - ulint n, /*!< in: number of array cells */ -#ifdef UNIV_SYNC_DEBUG - ulint mutex_level, /*!< in: level of the mutexes in the latching - order: this is used in the debug version */ -#endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes); /*!< in: number of mutexes to protect the - hash table: must be a power of 2, or 0 */ -#ifdef UNIV_SYNC_DEBUG -/** Creates a hash table. -@return own: created table -@param n_c in: number of array cells. The actual number of cells is -chosen to be a slightly bigger prime number. -@param level in: level of the mutexes in the latching order -@param n_m in: number of mutexes to protect the hash table; - must be a power of 2, or 0 */ -# define ha_create(n_c,n_m,level) ha_create_func(n_c,level,n_m) -#else /* UNIV_SYNC_DEBUG */ -/** Creates a hash table. -@return own: created table -@param n_c in: number of array cells. The actual number of cells is -chosen to be a slightly bigger prime number. -@param level in: level of the mutexes in the latching order -@param n_m in: number of mutexes to protect the hash table; - must be a power of 2, or 0 */ -# define ha_create(n_c,n_m,level) ha_create_func(n_c,n_m) -#endif /* UNIV_SYNC_DEBUG */ - -/*************************************************************//** -Empties a hash table and frees the memory heaps. */ -UNIV_INTERN -void -ha_clear( -/*=====*/ - hash_table_t* table); /*!< in, own: hash table */ - -/*************************************************************//** -Inserts an entry into a hash table. If an entry with the same fold number -is found, its node is updated to point to the new data, and no new node -is inserted. -@return TRUE if succeed, FALSE if no more memory could be allocated */ -UNIV_INTERN -ibool -ha_insert_for_fold_func( -/*====================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of data; if a node with - the same fold value already exists, it is - updated to point to the same data, and no new - node is created! */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /*!< in: buffer block containing the data */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data); /*!< in: data, must not be NULL */ - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -/** -Inserts an entry into a hash table. If an entry with the same fold number -is found, its node is updated to point to the new data, and no new node -is inserted. -@return TRUE if succeed, FALSE if no more memory could be allocated -@param t in: hash table -@param f in: folded value of data -@param b in: buffer block containing the data -@param d in: data, must not be NULL */ -# define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,b,d) -#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/** -Inserts an entry into a hash table. If an entry with the same fold number -is found, its node is updated to point to the new data, and no new node -is inserted. -@return TRUE if succeed, FALSE if no more memory could be allocated -@param t in: hash table -@param f in: folded value of data -@param b ignored: buffer block containing the data -@param d in: data, must not be NULL */ -# define ha_insert_for_fold(t,f,b,d) ha_insert_for_fold_func(t,f,d) -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - -/*********************************************************//** -Looks for an element when we know the pointer to the data and deletes -it from the hash table if found. -@return TRUE if found */ -UNIV_INLINE -ibool -ha_search_and_delete_if_found( -/*==========================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of the searched data */ - void* data); /*!< in: pointer to the data */ -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Removes from the chain determined by fold all nodes whose data pointer -points to the page given. */ -UNIV_INTERN -void -ha_remove_all_nodes_to_page( -/*========================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: fold value */ - const page_t* page); /*!< in: buffer page */ -/*************************************************************//** -Validates a given range of the cells in hash table. -@return TRUE if ok */ -UNIV_INTERN -ibool -ha_validate( -/*========*/ - hash_table_t* table, /*!< in: hash table */ - ulint start_index, /*!< in: start index */ - ulint end_index); /*!< in: end index */ -/*************************************************************//** -Prints info of a hash table. */ -UNIV_INTERN -void -ha_print_info( -/*==========*/ - FILE* file, /*!< in: file where to print */ - hash_table_t* table); /*!< in: hash table */ -#endif /* !UNIV_HOTBACKUP */ - -/** The hash table external chain node */ -typedef struct ha_node_struct ha_node_t; - -/** The hash table external chain node */ -struct ha_node_struct { - ha_node_t* next; /*!< next chain node or NULL if none */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block; /*!< buffer block containing the data, or NULL */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data; /*!< pointer to the data */ - ulint fold; /*!< fold value for the data */ -}; - -#ifndef UNIV_HOTBACKUP -/** Assert that the current thread is holding the mutex protecting a -hash bucket corresponding to a fold value. -@param table in: hash table -@param fold in: fold value */ -# define ASSERT_HASH_MUTEX_OWN(table, fold) \ - ut_ad(!(table)->mutexes || mutex_own(hash_get_mutex(table, fold))) -#else /* !UNIV_HOTBACKUP */ -/** Assert that the current thread is holding the mutex protecting a -hash bucket corresponding to a fold value. -@param table in: hash table -@param fold in: fold value */ -# define ASSERT_HASH_MUTEX_OWN(table, fold) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "ha0ha.ic" -#endif - -#endif diff --git a/perfschema/include/ha0ha.ic b/perfschema/include/ha0ha.ic deleted file mode 100644 index 734403c4cd9..00000000000 --- a/perfschema/include/ha0ha.ic +++ /dev/null @@ -1,220 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/ha0ha.ic -The hash table with external chains - -Created 8/18/1994 Heikki Tuuri -*************************************************************************/ - -#include "ut0rnd.h" -#include "mem0mem.h" - -/***********************************************************//** -Deletes a hash node. */ -UNIV_INTERN -void -ha_delete_hash_node( -/*================*/ - hash_table_t* table, /*!< in: hash table */ - ha_node_t* del_node); /*!< in: node to be deleted */ - -/******************************************************************//** -Gets a hash node data. -@return pointer to the data */ -UNIV_INLINE -void* -ha_node_get_data( -/*=============*/ - ha_node_t* node) /*!< in: hash chain node */ -{ - return(node->data); -} - -/******************************************************************//** -Sets hash node data. */ -UNIV_INLINE -void -ha_node_set_data_func( -/*==================*/ - ha_node_t* node, /*!< in: hash chain node */ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - buf_block_t* block, /*!< in: buffer block containing the data */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data) /*!< in: pointer to the data */ -{ -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG - node->block = block; -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - node->data = data; -} - -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -/** Sets hash node data. -@param n in: hash chain node -@param b in: buffer block containing the data -@param d in: pointer to the data */ -# define ha_node_set_data(n,b,d) ha_node_set_data_func(n,b,d) -#else /* UNIV_AHI_DEBUG || UNIV_DEBUG */ -/** Sets hash node data. -@param n in: hash chain node -@param b in: buffer block containing the data -@param d in: pointer to the data */ -# define ha_node_set_data(n,b,d) ha_node_set_data_func(n,d) -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - -/******************************************************************//** -Gets the next node in a hash chain. -@return next node, NULL if none */ -UNIV_INLINE -ha_node_t* -ha_chain_get_next( -/*==============*/ - ha_node_t* node) /*!< in: hash chain node */ -{ - return(node->next); -} - -/******************************************************************//** -Gets the first node in a hash chain. -@return first node, NULL if none */ -UNIV_INLINE -ha_node_t* -ha_chain_get_first( -/*===============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold value determining the chain */ -{ - return((ha_node_t*) - hash_get_nth_cell(table, hash_calc_hash(fold, table))->node); -} - -/*************************************************************//** -Looks for an element in a hash table. -@return pointer to the first hash table node in chain having the fold -number, NULL if not found */ -UNIV_INLINE -ha_node_t* -ha_search( -/*======*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: folded value of the searched data */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_chain_get_first(table, fold); - - while (node) { - if (node->fold == fold) { - - return(node); - } - - node = ha_chain_get_next(node); - } - - return(NULL); -} - -/*************************************************************//** -Looks for an element in a hash table. -@return pointer to the data of the first hash table node in chain -having the fold number, NULL if not found */ -UNIV_INLINE -void* -ha_search_and_get_data( -/*===================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: folded value of the searched data */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_chain_get_first(table, fold); - - while (node) { - if (node->fold == fold) { - - return(node->data); - } - - node = ha_chain_get_next(node); - } - - return(NULL); -} - -/*********************************************************//** -Looks for an element when we know the pointer to the data. -@return pointer to the hash table node, NULL if not found in the table */ -UNIV_INLINE -ha_node_t* -ha_search_with_data( -/*================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of the searched data */ - void* data) /*!< in: pointer to the data */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_chain_get_first(table, fold); - - while (node) { - if (node->data == data) { - - return(node); - } - - node = ha_chain_get_next(node); - } - - return(NULL); -} - -/*********************************************************//** -Looks for an element when we know the pointer to the data, and deletes -it from the hash table, if found. -@return TRUE if found */ -UNIV_INLINE -ibool -ha_search_and_delete_if_found( -/*==========================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold, /*!< in: folded value of the searched data */ - void* data) /*!< in: pointer to the data */ -{ - ha_node_t* node; - - ASSERT_HASH_MUTEX_OWN(table, fold); - - node = ha_search_with_data(table, fold, data); - - if (node) { - ha_delete_hash_node(table, node); - - return(TRUE); - } - - return(FALSE); -} diff --git a/perfschema/include/ha0storage.h b/perfschema/include/ha0storage.h deleted file mode 100644 index c30bd840579..00000000000 --- a/perfschema/include/ha0storage.h +++ /dev/null @@ -1,140 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ha0storage.h -Hash storage. -Provides a data structure that stores chunks of data in -its own storage, avoiding duplicates. - -Created September 22, 2007 Vasil Dimov -*******************************************************/ - -#ifndef ha0storage_h -#define ha0storage_h - -#include "univ.i" - -/** This value is used by default by ha_storage_create(). More memory -is allocated later when/if it is needed. */ -#define HA_STORAGE_DEFAULT_HEAP_BYTES 1024 - -/** This value is used by default by ha_storage_create(). It is a -constant per ha_storage's lifetime. */ -#define HA_STORAGE_DEFAULT_HASH_CELLS 4096 - -/** Hash storage */ -typedef struct ha_storage_struct ha_storage_t; - -/*******************************************************************//** -Creates a hash storage. If any of the parameters is 0, then a default -value is used. -@return own: hash storage */ -UNIV_INLINE -ha_storage_t* -ha_storage_create( -/*==============*/ - ulint initial_heap_bytes, /*!< in: initial heap's size */ - ulint initial_hash_cells); /*!< in: initial number of cells - in the hash table */ - -/*******************************************************************//** -Copies data into the storage and returns a pointer to the copy. If the -same data chunk is already present, then pointer to it is returned. -Data chunks are considered to be equal if len1 == len2 and -memcmp(data1, data2, len1) == 0. If "data" is not present (and thus -data_len bytes need to be allocated) and the size of storage is going to -become more than "memlim" then "data" is not added and NULL is returned. -To disable this behavior "memlim" can be set to 0, which stands for -"no limit". -@return pointer to the copy */ -UNIV_INTERN -const void* -ha_storage_put_memlim( -/*==================*/ - ha_storage_t* storage, /*!< in/out: hash storage */ - const void* data, /*!< in: data to store */ - ulint data_len, /*!< in: data length */ - ulint memlim); /*!< in: memory limit to obey */ - -/*******************************************************************//** -Same as ha_storage_put_memlim() but without memory limit. -@param storage in/out: hash storage -@param data in: data to store -@param data_len in: data length -@return pointer to the copy of the string */ -#define ha_storage_put(storage, data, data_len) \ - ha_storage_put_memlim((storage), (data), (data_len), 0) - -/*******************************************************************//** -Copies string into the storage and returns a pointer to the copy. If the -same string is already present, then pointer to it is returned. -Strings are considered to be equal if strcmp(str1, str2) == 0. -@param storage in/out: hash storage -@param str in: string to put -@return pointer to the copy of the string */ -#define ha_storage_put_str(storage, str) \ - ((const char*) ha_storage_put((storage), (str), strlen(str) + 1)) - -/*******************************************************************//** -Copies string into the storage and returns a pointer to the copy obeying -a memory limit. -If the same string is already present, then pointer to it is returned. -Strings are considered to be equal if strcmp(str1, str2) == 0. -@param storage in/out: hash storage -@param str in: string to put -@param memlim in: memory limit to obey -@return pointer to the copy of the string */ -#define ha_storage_put_str_memlim(storage, str, memlim) \ - ((const char*) ha_storage_put_memlim((storage), (str), \ - strlen(str) + 1, (memlim))) - -/*******************************************************************//** -Empties a hash storage, freeing memory occupied by data chunks. -This invalidates any pointers previously returned by ha_storage_put(). -The hash storage is not invalidated itself and can be used again. */ -UNIV_INLINE -void -ha_storage_empty( -/*=============*/ - ha_storage_t** storage); /*!< in/out: hash storage */ - -/*******************************************************************//** -Frees a hash storage and everything it contains, it cannot be used after -this call. -This invalidates any pointers previously returned by ha_storage_put(). */ -UNIV_INLINE -void -ha_storage_free( -/*============*/ - ha_storage_t* storage); /*!< in, own: hash storage */ - -/*******************************************************************//** -Gets the size of the memory used by a storage. -@return bytes used */ -UNIV_INLINE -ulint -ha_storage_get_size( -/*================*/ - const ha_storage_t* storage); /*!< in: hash storage */ - -#ifndef UNIV_NONINL -#include "ha0storage.ic" -#endif - -#endif /* ha0storage_h */ diff --git a/perfschema/include/ha0storage.ic b/perfschema/include/ha0storage.ic deleted file mode 100644 index 5acbf82f005..00000000000 --- a/perfschema/include/ha0storage.ic +++ /dev/null @@ -1,148 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ha0storage.ic -Hash storage. -Provides a data structure that stores chunks of data in -its own storage, avoiding duplicates. - -Created September 24, 2007 Vasil Dimov -*******************************************************/ - -#include "univ.i" -#include "ha0storage.h" -#include "hash0hash.h" -#include "mem0mem.h" - -/** Hash storage for strings */ -struct ha_storage_struct { - mem_heap_t* heap; /*!< memory heap from which memory is - allocated */ - hash_table_t* hash; /*!< hash table used to avoid - duplicates */ -}; - -/** Objects of this type are stored in ha_storage_t */ -typedef struct ha_storage_node_struct ha_storage_node_t; -/** Objects of this type are stored in ha_storage_struct */ -struct ha_storage_node_struct { - ulint data_len;/*!< length of the data */ - const void* data; /*!< pointer to data */ - ha_storage_node_t* next; /*!< next node in hash chain */ -}; - -/*******************************************************************//** -Creates a hash storage. If any of the parameters is 0, then a default -value is used. -@return own: hash storage */ -UNIV_INLINE -ha_storage_t* -ha_storage_create( -/*==============*/ - ulint initial_heap_bytes, /*!< in: initial heap's size */ - ulint initial_hash_cells) /*!< in: initial number of cells - in the hash table */ -{ - ha_storage_t* storage; - mem_heap_t* heap; - - if (initial_heap_bytes == 0) { - - initial_heap_bytes = HA_STORAGE_DEFAULT_HEAP_BYTES; - } - - if (initial_hash_cells == 0) { - - initial_hash_cells = HA_STORAGE_DEFAULT_HASH_CELLS; - } - - /* we put "storage" within "storage->heap" */ - - heap = mem_heap_create(sizeof(ha_storage_t) - + initial_heap_bytes); - - storage = (ha_storage_t*) mem_heap_alloc(heap, - sizeof(ha_storage_t)); - - storage->heap = heap; - storage->hash = hash_create(initial_hash_cells); - - return(storage); -} - -/*******************************************************************//** -Empties a hash storage, freeing memory occupied by data chunks. -This invalidates any pointers previously returned by ha_storage_put(). -The hash storage is not invalidated itself and can be used again. */ -UNIV_INLINE -void -ha_storage_empty( -/*=============*/ - ha_storage_t** storage) /*!< in/out: hash storage */ -{ - ha_storage_t temp_storage; - - temp_storage.heap = (*storage)->heap; - temp_storage.hash = (*storage)->hash; - - hash_table_clear(temp_storage.hash); - mem_heap_empty(temp_storage.heap); - - *storage = (ha_storage_t*) mem_heap_alloc(temp_storage.heap, - sizeof(ha_storage_t)); - - (*storage)->heap = temp_storage.heap; - (*storage)->hash = temp_storage.hash; -} - -/*******************************************************************//** -Frees a hash storage and everything it contains, it cannot be used after -this call. -This invalidates any pointers previously returned by ha_storage_put(). */ -UNIV_INLINE -void -ha_storage_free( -/*============*/ - ha_storage_t* storage) /*!< in, own: hash storage */ -{ - /* order is important because the pointer storage->hash is - within the heap */ - hash_table_free(storage->hash); - mem_heap_free(storage->heap); -} - -/*******************************************************************//** -Gets the size of the memory used by a storage. -@return bytes used */ -UNIV_INLINE -ulint -ha_storage_get_size( -/*================*/ - const ha_storage_t* storage) /*!< in: hash storage */ -{ - ulint ret; - - ret = mem_heap_get_size(storage->heap); - - /* this assumes hash->heap and hash->heaps are NULL */ - ret += sizeof(hash_table_t); - ret += sizeof(hash_cell_t) * hash_get_n_cells(storage->hash); - - return(ret); -} diff --git a/perfschema/include/ha_prototypes.h b/perfschema/include/ha_prototypes.h deleted file mode 100644 index b737a00b3dc..00000000000 --- a/perfschema/include/ha_prototypes.h +++ /dev/null @@ -1,261 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ha_prototypes.h -Prototypes for global functions in ha_innodb.cc that are called by -InnoDB C code - -Created 5/11/2006 Osku Salerma -************************************************************************/ - -#ifndef HA_INNODB_PROTOTYPES_H -#define HA_INNODB_PROTOTYPES_H - -#include "trx0types.h" -#include "m_ctype.h" /* CHARSET_INFO */ - -/*********************************************************************//** -Wrapper around MySQL's copy_and_convert function. -@return number of bytes copied to 'to' */ -UNIV_INTERN -ulint -innobase_convert_string( -/*====================*/ - void* to, /*!< out: converted string */ - ulint to_length, /*!< in: number of bytes reserved - for the converted string */ - CHARSET_INFO* to_cs, /*!< in: character set to convert to */ - const void* from, /*!< in: string to convert */ - ulint from_length, /*!< in: number of bytes to convert */ - CHARSET_INFO* from_cs, /*!< in: character set to convert from */ - uint* errors); /*!< out: number of errors encountered - during the conversion */ - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) that is of -type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "charset_coll" and writes -the result to "buf". The result is converted to "system_charset_info". -Not more than "buf_size" bytes are written to "buf". -The result is always NUL-terminated (provided buf_size > 0) and the -number of bytes that were written to "buf" is returned (including the -terminating NUL). -@return number of bytes that were written */ -UNIV_INTERN -ulint -innobase_raw_format( -/*================*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - ulint charset_coll, /*!< in: charset collation */ - char* buf, /*!< out: output buffer */ - ulint buf_size); /*!< in: output buffer size - in bytes */ - -/*****************************************************************//** -Invalidates the MySQL query cache for the table. */ -UNIV_INTERN -void -innobase_invalidate_query_cache( -/*============================*/ - trx_t* trx, /*!< in: transaction which - modifies the table */ - const char* full_name, /*!< in: concatenation of - database name, null char NUL, - table name, null char NUL; - NOTE that in Windows this is - always in LOWER CASE! */ - ulint full_name_len); /*!< in: full name length where - also the null chars count */ - -/*****************************************************************//** -Convert a table or index name to the MySQL system_charset_info (UTF-8) -and quote it if needed. -@return pointer to the end of buf */ -UNIV_INTERN -char* -innobase_convert_name( -/*==================*/ - char* buf, /*!< out: buffer for converted identifier */ - ulint buflen, /*!< in: length of buf, in bytes */ - const char* id, /*!< in: identifier to convert */ - ulint idlen, /*!< in: length of id, in bytes */ - void* thd, /*!< in: MySQL connection thread, or NULL */ - ibool table_id);/*!< in: TRUE=id is a table or database name; - FALSE=id is an index name */ - -/******************************************************************//** -Returns true if the thread is the replication thread on the slave -server. Used in srv_conc_enter_innodb() to determine if the thread -should be allowed to enter InnoDB - the replication thread is treated -differently than other threads. Also used in -srv_conc_force_exit_innodb(). -@return true if thd is the replication thread */ -UNIV_INTERN -ibool -thd_is_replication_slave_thread( -/*============================*/ - void* thd); /*!< in: thread handle (THD*) */ - -/******************************************************************//** -Returns true if the transaction this thread is processing has edited -non-transactional tables. Used by the deadlock detector when deciding -which transaction to rollback in case of a deadlock - we try to avoid -rolling back transactions that have edited non-transactional tables. -@return true if non-transactional tables have been edited */ -UNIV_INTERN -ibool -thd_has_edited_nontrans_tables( -/*===========================*/ - void* thd); /*!< in: thread handle (THD*) */ - -/*************************************************************//** -Prints info of a THD object (== user session thread) to the given file. */ -UNIV_INTERN -void -innobase_mysql_print_thd( -/*=====================*/ - FILE* f, /*!< in: output stream */ - void* thd, /*!< in: pointer to a MySQL THD object */ - uint max_query_len); /*!< in: max query length to print, or 0 to - use the default max length */ - -/**************************************************************//** -Converts a MySQL type to an InnoDB type. Note that this function returns -the 'mtype' of InnoDB. InnoDB differentiates between MySQL's old <= 4.1 -VARCHAR and the new true VARCHAR in >= 5.0.3 by the 'prtype'. -@return DATA_BINARY, DATA_VARCHAR, ... */ -UNIV_INTERN -ulint -get_innobase_type_from_mysql_type( -/*==============================*/ - ulint* unsigned_flag, /*!< out: DATA_UNSIGNED if an - 'unsigned type'; - at least ENUM and SET, - and unsigned integer - types are 'unsigned types' */ - const void* field) /*!< in: MySQL Field */ - __attribute__((nonnull)); - -/******************************************************************//** -Get the variable length bounds of the given character set. */ -UNIV_INTERN -void -innobase_get_cset_width( -/*====================*/ - ulint cset, /*!< in: MySQL charset-collation code */ - ulint* mbminlen, /*!< out: minimum length of a char (in bytes) */ - ulint* mbmaxlen); /*!< out: maximum length of a char (in bytes) */ - -/******************************************************************//** -Compares NUL-terminated UTF-8 strings case insensitively. -@return 0 if a=b, <0 if a1 if a>b */ -UNIV_INTERN -int -innobase_strcasecmp( -/*================*/ - const char* a, /*!< in: first string to compare */ - const char* b); /*!< in: second string to compare */ - -/******************************************************************//** -Returns true if the thread is executing a SELECT statement. -@return true if thd is executing SELECT */ - -ibool -thd_is_select( -/*==========*/ - const void* thd); /*!< in: thread handle (THD*) */ - -/******************************************************************//** -Converts an identifier to a table name. */ -UNIV_INTERN -void -innobase_convert_from_table_id( -/*===========================*/ - struct charset_info_st* cs, /*!< in: the 'from' character set */ - char* to, /*!< out: converted identifier */ - const char* from, /*!< in: identifier to convert */ - ulint len); /*!< in: length of 'to', in bytes; should - be at least 5 * strlen(to) + 1 */ -/******************************************************************//** -Converts an identifier to UTF-8. */ -UNIV_INTERN -void -innobase_convert_from_id( -/*=====================*/ - struct charset_info_st* cs, /*!< in: the 'from' character set */ - char* to, /*!< out: converted identifier */ - const char* from, /*!< in: identifier to convert */ - ulint len); /*!< in: length of 'to', in bytes; should - be at least 3 * strlen(to) + 1 */ -/******************************************************************//** -Makes all characters in a NUL-terminated UTF-8 string lower case. */ -UNIV_INTERN -void -innobase_casedn_str( -/*================*/ - char* a); /*!< in/out: string to put in lower case */ - -/**********************************************************************//** -Determines the connection character set. -@return connection character set */ -struct charset_info_st* -innobase_get_charset( -/*=================*/ - void* mysql_thd); /*!< in: MySQL thread handle */ - -/******************************************************************//** -This function is used to find the storage length in bytes of the first n -characters for prefix indexes using a multibyte character set. The function -finds charset information and returns length of prefix_len characters in the -index field in bytes. -@return number of bytes occupied by the first n characters */ -UNIV_INTERN -ulint -innobase_get_at_most_n_mbchars( -/*===========================*/ - ulint charset_id, /*!< in: character set id */ - ulint prefix_len, /*!< in: prefix length in bytes of the index - (this has to be divided by mbmaxlen to get the - number of CHARACTERS n in the prefix) */ - ulint data_len, /*!< in: length of the string in bytes */ - const char* str); /*!< in: character string */ - -/******************************************************************//** -Returns true if the thread supports XA, -global value of innodb_supports_xa if thd is NULL. -@return true if thd supports XA */ - -ibool -thd_supports_xa( -/*============*/ - void* thd); /*!< in: thread handle (THD*), or NULL to query - the global innodb_supports_xa */ - -/******************************************************************//** -Returns the lock wait timeout for the current connection. -@return the lock wait timeout, in seconds */ - -ulong -thd_lock_wait_timeout( -/*==================*/ - void* thd); /*!< in: thread handle (THD*), or NULL to query - the global innodb_lock_wait_timeout */ - -#endif diff --git a/perfschema/include/handler0alter.h b/perfschema/include/handler0alter.h deleted file mode 100644 index 7f5af6d2e76..00000000000 --- a/perfschema/include/handler0alter.h +++ /dev/null @@ -1,42 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/handler0alter.h -Smart ALTER TABLE -*******************************************************/ - -/*************************************************************//** -Copies an InnoDB record to table->record[0]. */ -UNIV_INTERN -void -innobase_rec_to_mysql( -/*==================*/ - struct TABLE* table, /*!< in/out: MySQL table */ - const rec_t* rec, /*!< in: record */ - const dict_index_t* index, /*!< in: index */ - const ulint* offsets); /*!< in: rec_get_offsets( - rec, index, ...) */ - -/*************************************************************//** -Resets table->record[0]. */ -UNIV_INTERN -void -innobase_rec_reset( -/*===============*/ - struct TABLE* table); /*!< in/out: MySQL table */ diff --git a/perfschema/include/hash0hash.h b/perfschema/include/hash0hash.h deleted file mode 100644 index 977cb829f35..00000000000 --- a/perfschema/include/hash0hash.h +++ /dev/null @@ -1,446 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/hash0hash.h -The simple hash table utility - -Created 5/20/1997 Heikki Tuuri -*******************************************************/ - -#ifndef hash0hash_h -#define hash0hash_h - -#include "univ.i" -#include "mem0mem.h" -#ifndef UNIV_HOTBACKUP -# include "sync0sync.h" -#endif /* !UNIV_HOTBACKUP */ - -typedef struct hash_table_struct hash_table_t; -typedef struct hash_cell_struct hash_cell_t; - -typedef void* hash_node_t; - -/* Fix Bug #13859: symbol collision between imap/mysql */ -#define hash_create hash0_create - -/*************************************************************//** -Creates a hash table with >= n array cells. The actual number -of cells is chosen to be a prime number slightly bigger than n. -@return own: created table */ -UNIV_INTERN -hash_table_t* -hash_create( -/*========*/ - ulint n); /*!< in: number of array cells */ -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Creates a mutex array to protect a hash table. */ -UNIV_INTERN -void -hash_create_mutexes_func( -/*=====================*/ - hash_table_t* table, /*!< in: hash table */ -#ifdef UNIV_SYNC_DEBUG - ulint sync_level, /*!< in: latching order level of the - mutexes: used in the debug version */ -#endif /* UNIV_SYNC_DEBUG */ - ulint n_mutexes); /*!< in: number of mutexes */ -#ifdef UNIV_SYNC_DEBUG -# define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,level,n) -#else /* UNIV_SYNC_DEBUG */ -# define hash_create_mutexes(t,n,level) hash_create_mutexes_func(t,n) -#endif /* UNIV_SYNC_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Frees a hash table. */ -UNIV_INTERN -void -hash_table_free( -/*============*/ - hash_table_t* table); /*!< in, own: hash table */ -/**************************************************************//** -Calculates the hash value from a folded value. -@return hashed value */ -UNIV_INLINE -ulint -hash_calc_hash( -/*===========*/ - ulint fold, /*!< in: folded value */ - hash_table_t* table); /*!< in: hash table */ -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Assert that the mutex for the table in a hash operation is owned. */ -# define HASH_ASSERT_OWNED(TABLE, FOLD) \ -ut_ad(!(TABLE)->mutexes || mutex_own(hash_get_mutex(TABLE, FOLD))); -#else /* !UNIV_HOTBACKUP */ -# define HASH_ASSERT_OWNED(TABLE, FOLD) -#endif /* !UNIV_HOTBACKUP */ - -/*******************************************************************//** -Inserts a struct to a hash table. */ - -#define HASH_INSERT(TYPE, NAME, TABLE, FOLD, DATA)\ -do {\ - hash_cell_t* cell3333;\ - TYPE* struct3333;\ -\ - HASH_ASSERT_OWNED(TABLE, FOLD)\ -\ - (DATA)->NAME = NULL;\ -\ - cell3333 = hash_get_nth_cell(TABLE, hash_calc_hash(FOLD, TABLE));\ -\ - if (cell3333->node == NULL) {\ - cell3333->node = DATA;\ - } else {\ - struct3333 = (TYPE*) cell3333->node;\ -\ - while (struct3333->NAME != NULL) {\ -\ - struct3333 = (TYPE*) struct3333->NAME;\ - }\ -\ - struct3333->NAME = DATA;\ - }\ -} while (0) - -#ifdef UNIV_HASH_DEBUG -# define HASH_ASSERT_VALID(DATA) ut_a((void*) (DATA) != (void*) -1) -# define HASH_INVALIDATE(DATA, NAME) DATA->NAME = (void*) -1 -#else -# define HASH_ASSERT_VALID(DATA) do {} while (0) -# define HASH_INVALIDATE(DATA, NAME) do {} while (0) -#endif - -/*******************************************************************//** -Deletes a struct from a hash table. */ - -#define HASH_DELETE(TYPE, NAME, TABLE, FOLD, DATA)\ -do {\ - hash_cell_t* cell3333;\ - TYPE* struct3333;\ -\ - HASH_ASSERT_OWNED(TABLE, FOLD)\ -\ - cell3333 = hash_get_nth_cell(TABLE, hash_calc_hash(FOLD, TABLE));\ -\ - if (cell3333->node == DATA) {\ - HASH_ASSERT_VALID(DATA->NAME);\ - cell3333->node = DATA->NAME;\ - } else {\ - struct3333 = (TYPE*) cell3333->node;\ -\ - while (struct3333->NAME != DATA) {\ -\ - struct3333 = (TYPE*) struct3333->NAME;\ - ut_a(struct3333);\ - }\ -\ - struct3333->NAME = DATA->NAME;\ - }\ - HASH_INVALIDATE(DATA, NAME);\ -} while (0) - -/*******************************************************************//** -Gets the first struct in a hash chain, NULL if none. */ - -#define HASH_GET_FIRST(TABLE, HASH_VAL)\ - (hash_get_nth_cell(TABLE, HASH_VAL)->node) - -/*******************************************************************//** -Gets the next struct in a hash chain, NULL if none. */ - -#define HASH_GET_NEXT(NAME, DATA) ((DATA)->NAME) - -/********************************************************************//** -Looks for a struct in a hash table. */ -#define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, ASSERTION, TEST)\ -{\ -\ - HASH_ASSERT_OWNED(TABLE, FOLD)\ -\ - (DATA) = (TYPE) HASH_GET_FIRST(TABLE, hash_calc_hash(FOLD, TABLE));\ - HASH_ASSERT_VALID(DATA);\ -\ - while ((DATA) != NULL) {\ - ASSERTION;\ - if (TEST) {\ - break;\ - } else {\ - HASH_ASSERT_VALID(HASH_GET_NEXT(NAME, DATA));\ - (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA);\ - }\ - }\ -} - -/********************************************************************//** -Looks for an item in all hash buckets. */ -#define HASH_SEARCH_ALL(NAME, TABLE, TYPE, DATA, ASSERTION, TEST) \ -do { \ - ulint i3333; \ - \ - for (i3333 = (TABLE)->n_cells; i3333--; ) { \ - (DATA) = (TYPE) HASH_GET_FIRST(TABLE, i3333); \ - \ - while ((DATA) != NULL) { \ - HASH_ASSERT_VALID(DATA); \ - ASSERTION; \ - \ - if (TEST) { \ - break; \ - } \ - \ - (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA); \ - } \ - \ - if ((DATA) != NULL) { \ - break; \ - } \ - } \ -} while (0) - -/************************************************************//** -Gets the nth cell in a hash table. -@return pointer to cell */ -UNIV_INLINE -hash_cell_t* -hash_get_nth_cell( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint n); /*!< in: cell index */ - -/*************************************************************//** -Clears a hash table so that all the cells become empty. */ -UNIV_INLINE -void -hash_table_clear( -/*=============*/ - hash_table_t* table); /*!< in/out: hash table */ - -/*************************************************************//** -Returns the number of cells in a hash table. -@return number of cells */ -UNIV_INLINE -ulint -hash_get_n_cells( -/*=============*/ - hash_table_t* table); /*!< in: table */ -/*******************************************************************//** -Deletes a struct which is stored in the heap of the hash table, and compacts -the heap. The fold value must be stored in the struct NODE in a field named -'fold'. */ - -#define HASH_DELETE_AND_COMPACT(TYPE, NAME, TABLE, NODE)\ -do {\ - TYPE* node111;\ - TYPE* top_node111;\ - hash_cell_t* cell111;\ - ulint fold111;\ -\ - fold111 = (NODE)->fold;\ -\ - HASH_DELETE(TYPE, NAME, TABLE, fold111, NODE);\ -\ - top_node111 = (TYPE*)mem_heap_get_top(\ - hash_get_heap(TABLE, fold111),\ - sizeof(TYPE));\ -\ - /* If the node to remove is not the top node in the heap, compact the\ - heap of nodes by moving the top node in the place of NODE. */\ -\ - if (NODE != top_node111) {\ -\ - /* Copy the top node in place of NODE */\ -\ - *(NODE) = *top_node111;\ -\ - cell111 = hash_get_nth_cell(TABLE,\ - hash_calc_hash(top_node111->fold, TABLE));\ -\ - /* Look for the pointer to the top node, to update it */\ -\ - if (cell111->node == top_node111) {\ - /* The top node is the first in the chain */\ -\ - cell111->node = NODE;\ - } else {\ - /* We have to look for the predecessor of the top\ - node */\ - node111 = cell111->node;\ -\ - while (top_node111 != HASH_GET_NEXT(NAME, node111)) {\ -\ - node111 = HASH_GET_NEXT(NAME, node111);\ - }\ -\ - /* Now we have the predecessor node */\ -\ - node111->NAME = NODE;\ - }\ - }\ -\ - /* Free the space occupied by the top node */\ -\ - mem_heap_free_top(hash_get_heap(TABLE, fold111), sizeof(TYPE));\ -} while (0) - -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Move all hash table entries from OLD_TABLE to NEW_TABLE. */ - -#define HASH_MIGRATE(OLD_TABLE, NEW_TABLE, NODE_TYPE, PTR_NAME, FOLD_FUNC) \ -do {\ - ulint i2222;\ - ulint cell_count2222;\ -\ - cell_count2222 = hash_get_n_cells(OLD_TABLE);\ -\ - for (i2222 = 0; i2222 < cell_count2222; i2222++) {\ - NODE_TYPE* node2222 = HASH_GET_FIRST((OLD_TABLE), i2222);\ -\ - while (node2222) {\ - NODE_TYPE* next2222 = node2222->PTR_NAME;\ - ulint fold2222 = FOLD_FUNC(node2222);\ -\ - HASH_INSERT(NODE_TYPE, PTR_NAME, (NEW_TABLE),\ - fold2222, node2222);\ -\ - node2222 = next2222;\ - }\ - }\ -} while (0) - -/************************************************************//** -Gets the mutex index for a fold value in a hash table. -@return mutex number */ -UNIV_INLINE -ulint -hash_get_mutex_no( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: fold */ -/************************************************************//** -Gets the nth heap in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_nth_heap( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i); /*!< in: index of the heap */ -/************************************************************//** -Gets the heap for a fold value in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_heap( -/*==========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: fold */ -/************************************************************//** -Gets the nth mutex in a hash table. -@return mutex */ -UNIV_INLINE -mutex_t* -hash_get_nth_mutex( -/*===============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i); /*!< in: index of the mutex */ -/************************************************************//** -Gets the mutex for a fold value in a hash table. -@return mutex */ -UNIV_INLINE -mutex_t* -hash_get_mutex( -/*===========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: fold */ -/************************************************************//** -Reserves the mutex for a fold value in a hash table. */ -UNIV_INTERN -void -hash_mutex_enter( -/*=============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: fold */ -/************************************************************//** -Releases the mutex for a fold value in a hash table. */ -UNIV_INTERN -void -hash_mutex_exit( -/*============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold); /*!< in: fold */ -/************************************************************//** -Reserves all the mutexes of a hash table, in an ascending order. */ -UNIV_INTERN -void -hash_mutex_enter_all( -/*=================*/ - hash_table_t* table); /*!< in: hash table */ -/************************************************************//** -Releases all the mutexes of a hash table. */ -UNIV_INTERN -void -hash_mutex_exit_all( -/*================*/ - hash_table_t* table); /*!< in: hash table */ -#else /* !UNIV_HOTBACKUP */ -# define hash_get_heap(table, fold) ((table)->heap) -# define hash_mutex_enter(table, fold) ((void) 0) -# define hash_mutex_exit(table, fold) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -struct hash_cell_struct{ - void* node; /*!< hash chain node, NULL if none */ -}; - -/* The hash table structure */ -struct hash_table_struct { -#if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG -# ifndef UNIV_HOTBACKUP - ibool adaptive;/* TRUE if this is the hash table of the - adaptive hash index */ -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - ulint n_cells;/* number of cells in the hash table */ - hash_cell_t* array; /*!< pointer to cell array */ -#ifndef UNIV_HOTBACKUP - ulint n_mutexes;/* if mutexes != NULL, then the number of - mutexes, must be a power of 2 */ - mutex_t* mutexes;/* NULL, or an array of mutexes used to - protect segments of the hash table */ - mem_heap_t** heaps; /*!< if this is non-NULL, hash chain nodes for - external chaining can be allocated from these - memory heaps; there are then n_mutexes many of - these heaps */ -#endif /* !UNIV_HOTBACKUP */ - mem_heap_t* heap; - ulint magic_n; -}; - -#define HASH_TABLE_MAGIC_N 76561114 - -#ifndef UNIV_NONINL -#include "hash0hash.ic" -#endif - -#endif diff --git a/perfschema/include/hash0hash.ic b/perfschema/include/hash0hash.ic deleted file mode 100644 index 19da2d50701..00000000000 --- a/perfschema/include/hash0hash.ic +++ /dev/null @@ -1,163 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/hash0hash.ic -The simple hash table utility - -Created 5/20/1997 Heikki Tuuri -*******************************************************/ - -#include "ut0rnd.h" - -/************************************************************//** -Gets the nth cell in a hash table. -@return pointer to cell */ -UNIV_INLINE -hash_cell_t* -hash_get_nth_cell( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint n) /*!< in: cell index */ -{ - ut_ad(n < table->n_cells); - - return(table->array + n); -} - -/*************************************************************//** -Clears a hash table so that all the cells become empty. */ -UNIV_INLINE -void -hash_table_clear( -/*=============*/ - hash_table_t* table) /*!< in/out: hash table */ -{ - memset(table->array, 0x0, - table->n_cells * sizeof(*table->array)); -} - -/*************************************************************//** -Returns the number of cells in a hash table. -@return number of cells */ -UNIV_INLINE -ulint -hash_get_n_cells( -/*=============*/ - hash_table_t* table) /*!< in: table */ -{ - return(table->n_cells); -} - -/**************************************************************//** -Calculates the hash value from a folded value. -@return hashed value */ -UNIV_INLINE -ulint -hash_calc_hash( -/*===========*/ - ulint fold, /*!< in: folded value */ - hash_table_t* table) /*!< in: hash table */ -{ - return(ut_hash_ulint(fold, table->n_cells)); -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Gets the mutex index for a fold value in a hash table. -@return mutex number */ -UNIV_INLINE -ulint -hash_get_mutex_no( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ut_ad(ut_is_2pow(table->n_mutexes)); - return(ut_2pow_remainder(hash_calc_hash(fold, table), - table->n_mutexes)); -} - -/************************************************************//** -Gets the nth heap in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_nth_heap( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i) /*!< in: index of the heap */ -{ - ut_ad(i < table->n_mutexes); - - return(table->heaps[i]); -} - -/************************************************************//** -Gets the heap for a fold value in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_heap( -/*==========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ulint i; - - if (table->heap) { - return(table->heap); - } - - i = hash_get_mutex_no(table, fold); - - return(hash_get_nth_heap(table, i)); -} - -/************************************************************//** -Gets the nth mutex in a hash table. -@return mutex */ -UNIV_INLINE -mutex_t* -hash_get_nth_mutex( -/*===============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i) /*!< in: index of the mutex */ -{ - ut_ad(i < table->n_mutexes); - - return(table->mutexes + i); -} - -/************************************************************//** -Gets the mutex for a fold value in a hash table. -@return mutex */ -UNIV_INLINE -mutex_t* -hash_get_mutex( -/*===========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ulint i; - - i = hash_get_mutex_no(table, fold); - - return(hash_get_nth_mutex(table, i)); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/ibuf0ibuf.h b/perfschema/include/ibuf0ibuf.h deleted file mode 100644 index 0f1631fde77..00000000000 --- a/perfschema/include/ibuf0ibuf.h +++ /dev/null @@ -1,407 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ibuf0ibuf.h -Insert buffer - -Created 7/19/1997 Heikki Tuuri -*******************************************************/ - -#ifndef ibuf0ibuf_h -#define ibuf0ibuf_h - -#include "univ.i" - -#include "mtr0mtr.h" -#include "dict0mem.h" -#include "fsp0fsp.h" - -#ifndef UNIV_HOTBACKUP -# include "ibuf0types.h" - -/* Possible operations buffered in the insert/whatever buffer. See -ibuf_insert(). DO NOT CHANGE THE VALUES OF THESE, THEY ARE STORED ON DISK. */ -typedef enum { - IBUF_OP_INSERT = 0, - IBUF_OP_DELETE_MARK = 1, - IBUF_OP_DELETE = 2, - - /* Number of different operation types. */ - IBUF_OP_COUNT = 3, -} ibuf_op_t; - -/** Combinations of operations that can be buffered. Because the enum -values are used for indexing innobase_change_buffering_values[], they -should start at 0 and there should not be any gaps. */ -typedef enum { - IBUF_USE_NONE = 0, - IBUF_USE_INSERT, /* insert */ - IBUF_USE_DELETE_MARK, /* delete */ - IBUF_USE_INSERT_DELETE_MARK, /* insert+delete */ - IBUF_USE_DELETE, /* delete+purge */ - IBUF_USE_ALL, /* insert+delete+purge */ - - IBUF_USE_COUNT /* number of entries in ibuf_use_t */ -} ibuf_use_t; - -/** Operations that can currently be buffered. */ -extern ibuf_use_t ibuf_use; - -/** The insert buffer control structure */ -extern ibuf_t* ibuf; - -/* The purpose of the insert buffer is to reduce random disk access. -When we wish to insert a record into a non-unique secondary index and -the B-tree leaf page where the record belongs to is not in the buffer -pool, we insert the record into the insert buffer B-tree, indexed by -(space_id, page_no). When the page is eventually read into the buffer -pool, we look up the insert buffer B-tree for any modifications to the -page, and apply these upon the completion of the read operation. This -is called the insert buffer merge. */ - -/* The insert buffer merge must always succeed. To guarantee this, -the insert buffer subsystem keeps track of the free space in pages for -which it can buffer operations. Two bits per page in the insert -buffer bitmap indicate the available space in coarse increments. The -free bits in the insert buffer bitmap must never exceed the free space -on a page. It is safe to decrement or reset the bits in the bitmap in -a mini-transaction that is committed before the mini-transaction that -affects the free space. It is unsafe to increment the bits in a -separately committed mini-transaction, because in crash recovery, the -free bits could momentarily be set too high. */ - -/******************************************************************//** -Creates the insert buffer data structure at a database startup. */ -UNIV_INTERN -void -ibuf_init_at_db_start(void); -/*=======================*/ -/*********************************************************************//** -Reads the biggest tablespace id from the high end of the insert buffer -tree and updates the counter in fil_system. */ -UNIV_INTERN -void -ibuf_update_max_tablespace_id(void); -/*===============================*/ -/*********************************************************************//** -Initializes an ibuf bitmap page. */ -UNIV_INTERN -void -ibuf_bitmap_page_init( -/*==================*/ - buf_block_t* block, /*!< in: bitmap page */ - mtr_t* mtr); /*!< in: mtr */ -/************************************************************************//** -Resets the free bits of the page in the ibuf bitmap. This is done in a -separate mini-transaction, hence this operation does not restrict -further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to decrement or reset the bits in the bitmap in a mini-transaction -that is committed before the mini-transaction that affects the free -space. */ -UNIV_INTERN -void -ibuf_reset_free_bits( -/*=================*/ - buf_block_t* block); /*!< in: index page; free bits are set to 0 - if the index is a non-clustered - non-unique, and page level is 0 */ -/************************************************************************//** -Updates the free bits of an uncompressed page in the ibuf bitmap if -there is not enough free on the page any more. This is done in a -separate mini-transaction, hence this operation does not restrict -further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is -unsafe to increment the bits in a separately committed -mini-transaction, because in crash recovery, the free bits could -momentarily be set too high. It is only safe to use this function for -decrementing the free bits. Should more free space become available, -we must not update the free bits here, because that would break crash -recovery. */ -UNIV_INLINE -void -ibuf_update_free_bits_if_full( -/*==========================*/ - buf_block_t* block, /*!< in: index page to which we have added new - records; the free bits are updated if the - index is non-clustered and non-unique and - the page level is 0, and the page becomes - fuller */ - ulint max_ins_size,/*!< in: value of maximum insert size with - reorganize before the latest operation - performed to the page */ - ulint increase);/*!< in: upper limit for the additional space - used in the latest operation, if known, or - ULINT_UNDEFINED */ -/**********************************************************************//** -Updates the free bits for an uncompressed page to reflect the present -state. Does this in the mtr given, which means that the latching -order rules virtually prevent any further operations for this OS -thread until mtr is committed. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to set the free bits in the same mini-transaction that updated the -page. */ -UNIV_INTERN -void -ibuf_update_free_bits_low( -/*======================*/ - const buf_block_t* block, /*!< in: index page */ - ulint max_ins_size, /*!< in: value of - maximum insert size - with reorganize before - the latest operation - performed to the page */ - mtr_t* mtr); /*!< in/out: mtr */ -/**********************************************************************//** -Updates the free bits for a compressed page to reflect the present -state. Does this in the mtr given, which means that the latching -order rules virtually prevent any further operations for this OS -thread until mtr is committed. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is safe -to set the free bits in the same mini-transaction that updated the -page. */ -UNIV_INTERN -void -ibuf_update_free_bits_zip( -/*======================*/ - buf_block_t* block, /*!< in/out: index page */ - mtr_t* mtr); /*!< in/out: mtr */ -/**********************************************************************//** -Updates the free bits for the two pages to reflect the present state. -Does this in the mtr given, which means that the latching order rules -virtually prevent any further operations until mtr is committed. -NOTE: The free bits in the insert buffer bitmap must never exceed the -free space on a page. It is safe to set the free bits in the same -mini-transaction that updated the pages. */ -UNIV_INTERN -void -ibuf_update_free_bits_for_two_pages_low( -/*====================================*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - buf_block_t* block1, /*!< in: index page */ - buf_block_t* block2, /*!< in: index page */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -A basic partial test if an insert to the insert buffer could be possible and -recommended. */ -UNIV_INLINE -ibool -ibuf_should_try( -/*============*/ - dict_index_t* index, /*!< in: index where to insert */ - ulint ignore_sec_unique); /*!< in: if != 0, we should - ignore UNIQUE constraint on - a secondary index when we - decide */ -/******************************************************************//** -Returns TRUE if the current OS thread is performing an insert buffer -routine. - -For instance, a read-ahead of non-ibuf pages is forbidden by threads -that are executing an insert buffer routine. -@return TRUE if inside an insert buffer routine */ -UNIV_INTERN -ibool -ibuf_inside(void); -/*=============*/ -/***********************************************************************//** -Checks if a page address is an ibuf bitmap page (level 3 page) address. -@return TRUE if a bitmap page */ -UNIV_INLINE -ibool -ibuf_bitmap_page( -/*=============*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no);/*!< in: page number */ -/***********************************************************************//** -Checks if a page is a level 2 or 3 page in the ibuf hierarchy of pages. -Must not be called when recv_no_ibuf_operations==TRUE. -@return TRUE if level 2 or level 3 page */ -UNIV_INTERN -ibool -ibuf_page( -/*======*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number */ - mtr_t* mtr); /*!< in: mtr which will contain an x-latch to the - bitmap page if the page is not one of the fixed - address ibuf pages, or NULL, in which case a new - transaction is created. */ -/***********************************************************************//** -Frees excess pages from the ibuf free list. This function is called when an OS -thread calls fsp services to allocate a new file segment, or a new page to a -file segment, and the thread did not own the fsp latch before this call. */ -UNIV_INTERN -void -ibuf_free_excess_pages(void); -/*========================*/ -/*********************************************************************//** -Buffer an operation in the insert/delete buffer, instead of doing it -directly to the disk page, if this is possible. Does not do it if the index -is clustered or unique. -@return TRUE if success */ -UNIV_INTERN -ibool -ibuf_insert( -/*========*/ - ibuf_op_t op, /*!< in: operation type */ - const dtuple_t* entry, /*!< in: index entry to insert */ - dict_index_t* index, /*!< in: index where to insert */ - ulint space, /*!< in: space id where to insert */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number where to insert */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -When an index page is read from a disk to the buffer pool, this function -applies any buffered operations to the page and deletes the entries from the -insert buffer. If the page is not read, but created in the buffer pool, this -function deletes its buffered entries from the insert buffer; there can -exist entries for such a page if the page belonged to an index which -subsequently was dropped. */ -UNIV_INTERN -void -ibuf_merge_or_delete_for_page( -/*==========================*/ - buf_block_t* block, /*!< in: if page has been read from - disk, pointer to the page x-latched, - else NULL */ - ulint space, /*!< in: space id of the index page */ - ulint page_no,/*!< in: page number of the index page */ - ulint zip_size,/*!< in: compressed page size in bytes, - or 0 */ - ibool update_ibuf_bitmap);/*!< in: normally this is set - to TRUE, but if we have deleted or are - deleting the tablespace, then we - naturally do not want to update a - non-existent bitmap page */ -/*********************************************************************//** -Deletes all entries in the insert buffer for a given space id. This is used -in DISCARD TABLESPACE and IMPORT TABLESPACE. -NOTE: this does not update the page free bitmaps in the space. The space will -become CORRUPT when you call this function! */ -UNIV_INTERN -void -ibuf_delete_for_discarded_space( -/*============================*/ - ulint space); /*!< in: space id */ -/*********************************************************************//** -Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which -will be merged from ibuf trees to the pages read, 0 if ibuf is -empty */ -UNIV_INTERN -ulint -ibuf_contract( -/*==========*/ - ibool sync); /*!< in: TRUE if the caller wants to wait for the - issued read with the highest tablespace address - to complete */ -/*********************************************************************//** -Contracts insert buffer trees by reading pages to the buffer pool. -@return a lower limit for the combined size in bytes of entries which -will be merged from ibuf trees to the pages read, 0 if ibuf is -empty */ -UNIV_INTERN -ulint -ibuf_contract_for_n_pages( -/*======================*/ - ibool sync, /*!< in: TRUE if the caller wants to wait for the - issued read with the highest tablespace address - to complete */ - ulint n_pages);/*!< in: try to read at least this many pages to - the buffer pool and merge the ibuf contents to - them */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Parses a redo log record of an ibuf bitmap page init. -@return end of log record or NULL */ -UNIV_INTERN -byte* -ibuf_parse_bitmap_init( -/*===================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: block or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -#ifndef UNIV_HOTBACKUP -#ifdef UNIV_IBUF_COUNT_DEBUG -/******************************************************************//** -Gets the ibuf count for a given page. -@return number of entries in the insert buffer currently buffered for -this page */ -UNIV_INTERN -ulint -ibuf_count_get( -/*===========*/ - ulint space, /*!< in: space id */ - ulint page_no);/*!< in: page number */ -#endif -/******************************************************************//** -Looks if the insert buffer is empty. -@return TRUE if empty */ -UNIV_INTERN -ibool -ibuf_is_empty(void); -/*===============*/ -/******************************************************************//** -Prints info of ibuf. */ -UNIV_INTERN -void -ibuf_print( -/*=======*/ - FILE* file); /*!< in: file where to print */ -/******************************************************************** -Read the first two bytes from a record's fourth field (counter field in new -records; something else in older records). -@return "counter" field, or ULINT_UNDEFINED if for some reason it can't be read */ -UNIV_INTERN -ulint -ibuf_rec_get_counter( -/*=================*/ - const rec_t* rec); /*!< in: ibuf record */ -/******************************************************************//** -Closes insert buffer and frees the data structures. */ -UNIV_INTERN -void -ibuf_close(void); -/*============*/ - -#define IBUF_HEADER_PAGE_NO FSP_IBUF_HEADER_PAGE_NO -#define IBUF_TREE_ROOT_PAGE_NO FSP_IBUF_TREE_ROOT_PAGE_NO - -#endif /* !UNIV_HOTBACKUP */ - -/* The ibuf header page currently contains only the file segment header -for the file segment from which the pages for the ibuf tree are allocated */ -#define IBUF_HEADER PAGE_DATA -#define IBUF_TREE_SEG_HEADER 0 /* fseg header for ibuf tree */ - -/* The insert buffer tree itself is always located in space 0. */ -#define IBUF_SPACE_ID 0 - -#ifndef UNIV_NONINL -#include "ibuf0ibuf.ic" -#endif - -#endif diff --git a/perfschema/include/ibuf0ibuf.ic b/perfschema/include/ibuf0ibuf.ic deleted file mode 100644 index 84c7a004be2..00000000000 --- a/perfschema/include/ibuf0ibuf.ic +++ /dev/null @@ -1,332 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ibuf0ibuf.ic -Insert buffer - -Created 7/19/1997 Heikki Tuuri -*******************************************************/ - -#include "page0page.h" -#include "page0zip.h" -#ifndef UNIV_HOTBACKUP -#include "buf0lru.h" - -/** Counter for ibuf_should_try() */ -extern ulint ibuf_flush_count; - -/** An index page must contain at least UNIV_PAGE_SIZE / -IBUF_PAGE_SIZE_PER_FREE_SPACE bytes of free space for ibuf to try to -buffer inserts to this page. If there is this much of free space, the -corresponding bits are set in the ibuf bitmap. */ -#define IBUF_PAGE_SIZE_PER_FREE_SPACE 32 - -/** Insert buffer struct */ -struct ibuf_struct{ - ulint size; /*!< current size of the ibuf index - tree, in pages */ - ulint max_size; /*!< recommended maximum size of the - ibuf index tree, in pages */ - ulint seg_size; /*!< allocated pages of the file - segment containing ibuf header and - tree */ - ibool empty; /*!< after an insert to the ibuf tree - is performed, this is set to FALSE, - and if a contract operation finds - the tree empty, this is set to - TRUE */ - ulint free_list_len; /*!< length of the free list */ - ulint height; /*!< tree height */ - dict_index_t* index; /*!< insert buffer index */ - - ulint n_merges; /*!< number of pages merged */ - ulint n_merged_ops[IBUF_OP_COUNT]; - /*!< number of operations of each type - merged to index pages */ - ulint n_discarded_ops[IBUF_OP_COUNT]; - /*!< number of operations of each type - discarded without merging due to the - tablespace being deleted or the - index being dropped */ -}; - -/************************************************************************//** -Sets the free bit of the page in the ibuf bitmap. This is done in a separate -mini-transaction, hence this operation does not restrict further work to only -ibuf bitmap operations, which would result if the latch to the bitmap page -were kept. */ -UNIV_INTERN -void -ibuf_set_free_bits_func( -/*====================*/ - buf_block_t* block, /*!< in: index page of a non-clustered index; - free bit is reset if page level is 0 */ -#ifdef UNIV_IBUF_DEBUG - ulint max_val,/*!< in: ULINT_UNDEFINED or a maximum - value which the bits must have before - setting; this is for debugging */ -#endif /* UNIV_IBUF_DEBUG */ - ulint val); /*!< in: value to set: < 4 */ -#ifdef UNIV_IBUF_DEBUG -# define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,max,v) -#else /* UNIV_IBUF_DEBUG */ -# define ibuf_set_free_bits(b,v,max) ibuf_set_free_bits_func(b,v) -#endif /* UNIV_IBUF_DEBUG */ - -/**********************************************************************//** -A basic partial test if an insert to the insert buffer could be possible and -recommended. */ -UNIV_INLINE -ibool -ibuf_should_try( -/*============*/ - dict_index_t* index, /*!< in: index where to insert */ - ulint ignore_sec_unique) /*!< in: if != 0, we should - ignore UNIQUE constraint on - a secondary index when we - decide */ -{ - if (ibuf_use != IBUF_USE_NONE - && !dict_index_is_clust(index) - && (ignore_sec_unique || !dict_index_is_unique(index))) { - - ibuf_flush_count++; - - if (ibuf_flush_count % 4 == 0) { - - buf_LRU_try_free_flushed_blocks(); - } - - return(TRUE); - } - - return(FALSE); -} - -/***********************************************************************//** -Checks if a page address is an ibuf bitmap page address. -@return TRUE if a bitmap page */ -UNIV_INLINE -ibool -ibuf_bitmap_page( -/*=============*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no)/*!< in: page number */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return(UNIV_UNLIKELY((page_no & (UNIV_PAGE_SIZE - 1)) - == FSP_IBUF_BITMAP_OFFSET)); - } - - return(UNIV_UNLIKELY((page_no & (zip_size - 1)) - == FSP_IBUF_BITMAP_OFFSET)); -} - -/*********************************************************************//** -Translates the free space on a page to a value in the ibuf bitmap. -@return value for ibuf bitmap bits */ -UNIV_INLINE -ulint -ibuf_index_page_calc_free_bits( -/*===========================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint max_ins_size) /*!< in: maximum insert size after reorganize - for the page */ -{ - ulint n; - ut_ad(ut_is_2pow(zip_size)); - ut_ad(!zip_size || zip_size > IBUF_PAGE_SIZE_PER_FREE_SPACE); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - - if (zip_size) { - n = max_ins_size - / (zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } else { - n = max_ins_size - / (UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } - - if (n == 3) { - n = 2; - } - - if (n > 3) { - n = 3; - } - - return(n); -} - -/*********************************************************************//** -Translates the ibuf free bits to the free space on a page in bytes. -@return maximum insert size after reorganize for the page */ -UNIV_INLINE -ulint -ibuf_index_page_calc_free_from_bits( -/*================================*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint bits) /*!< in: value for ibuf bitmap bits */ -{ - ut_ad(bits < 4); - ut_ad(ut_is_2pow(zip_size)); - ut_ad(!zip_size || zip_size > IBUF_PAGE_SIZE_PER_FREE_SPACE); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - - if (zip_size) { - if (bits == 3) { - return(4 * zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } - - return(bits * zip_size / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } - - if (bits == 3) { - return(4 * UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } - - return(bits * (UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE)); -} - -/*********************************************************************//** -Translates the free space on a compressed page to a value in the ibuf bitmap. -@return value for ibuf bitmap bits */ -UNIV_INLINE -ulint -ibuf_index_page_calc_free_zip( -/*==========================*/ - ulint zip_size, - /*!< in: compressed page size in bytes */ - const buf_block_t* block) /*!< in: buffer block */ -{ - ulint max_ins_size; - const page_zip_des_t* page_zip; - lint zip_max_ins; - - ut_ad(zip_size == buf_block_get_zip_size(block)); - ut_ad(zip_size); - - max_ins_size = page_get_max_insert_size_after_reorganize( - buf_block_get_frame(block), 1); - - page_zip = buf_block_get_page_zip(block); - zip_max_ins = page_zip_max_ins_size(page_zip, - FALSE/* not clustered */); - - if (UNIV_UNLIKELY(zip_max_ins < 0)) { - return(0); - } else if (UNIV_LIKELY(max_ins_size > (ulint) zip_max_ins)) { - max_ins_size = (ulint) zip_max_ins; - } - - return(ibuf_index_page_calc_free_bits(zip_size, max_ins_size)); -} - -/*********************************************************************//** -Translates the free space on a page to a value in the ibuf bitmap. -@return value for ibuf bitmap bits */ -UNIV_INLINE -ulint -ibuf_index_page_calc_free( -/*======================*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - const buf_block_t* block) /*!< in: buffer block */ -{ - ut_ad(zip_size == buf_block_get_zip_size(block)); - - if (!zip_size) { - ulint max_ins_size; - - max_ins_size = page_get_max_insert_size_after_reorganize( - buf_block_get_frame(block), 1); - - return(ibuf_index_page_calc_free_bits(0, max_ins_size)); - } else { - return(ibuf_index_page_calc_free_zip(zip_size, block)); - } -} - -/************************************************************************//** -Updates the free bits of an uncompressed page in the ibuf bitmap if -there is not enough free on the page any more. This is done in a -separate mini-transaction, hence this operation does not restrict -further work to only ibuf bitmap operations, which would result if the -latch to the bitmap page were kept. NOTE: The free bits in the insert -buffer bitmap must never exceed the free space on a page. It is -unsafe to increment the bits in a separately committed -mini-transaction, because in crash recovery, the free bits could -momentarily be set too high. It is only safe to use this function for -decrementing the free bits. Should more free space become available, -we must not update the free bits here, because that would break crash -recovery. */ -UNIV_INLINE -void -ibuf_update_free_bits_if_full( -/*==========================*/ - buf_block_t* block, /*!< in: index page to which we have added new - records; the free bits are updated if the - index is non-clustered and non-unique and - the page level is 0, and the page becomes - fuller */ - ulint max_ins_size,/*!< in: value of maximum insert size with - reorganize before the latest operation - performed to the page */ - ulint increase)/*!< in: upper limit for the additional space - used in the latest operation, if known, or - ULINT_UNDEFINED */ -{ - ulint before; - ulint after; - - ut_ad(!buf_block_get_page_zip(block)); - - before = ibuf_index_page_calc_free_bits(0, max_ins_size); - - if (max_ins_size >= increase) { -#if ULINT32_UNDEFINED <= UNIV_PAGE_SIZE -# error "ULINT32_UNDEFINED <= UNIV_PAGE_SIZE" -#endif - after = ibuf_index_page_calc_free_bits(0, max_ins_size - - increase); -#ifdef UNIV_IBUF_DEBUG - ut_a(after <= ibuf_index_page_calc_free(0, block)); -#endif - } else { - after = ibuf_index_page_calc_free(0, block); - } - - if (after == 0) { - /* We move the page to the front of the buffer pool LRU list: - the purpose of this is to prevent those pages to which we - cannot make inserts using the insert buffer from slipping - out of the buffer pool */ - - buf_page_make_young(&block->page); - } - - if (before > after) { - ibuf_set_free_bits(block, after, before); - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/ibuf0types.h b/perfschema/include/ibuf0types.h deleted file mode 100644 index 55944f879b2..00000000000 --- a/perfschema/include/ibuf0types.h +++ /dev/null @@ -1,31 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/ibuf0types.h -Insert buffer global types - -Created 7/29/1997 Heikki Tuuri -*******************************************************/ - -#ifndef ibuf0types_h -#define ibuf0types_h - -typedef struct ibuf_struct ibuf_t; - -#endif diff --git a/perfschema/include/lock0iter.h b/perfschema/include/lock0iter.h deleted file mode 100644 index 25a57c9740c..00000000000 --- a/perfschema/include/lock0iter.h +++ /dev/null @@ -1,69 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0iter.h -Lock queue iterator type and function prototypes. - -Created July 16, 2007 Vasil Dimov -*******************************************************/ - -#ifndef lock0iter_h -#define lock0iter_h - -#include "univ.i" -#include "lock0types.h" - -typedef struct lock_queue_iterator_struct { - const lock_t* current_lock; - /* In case this is a record lock queue (not table lock queue) - then bit_no is the record number within the heap in which the - record is stored. */ - ulint bit_no; -} lock_queue_iterator_t; - -/*******************************************************************//** -Initialize lock queue iterator so that it starts to iterate from -"lock". bit_no specifies the record number within the heap where the -record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: -1. If the lock is a table lock, thus we have a table lock queue; -2. If the lock is a record lock and it is a wait lock. In this case - bit_no is calculated in this function by using - lock_rec_find_set_bit(). There is exactly one bit set in the bitmap - of a wait lock. */ -UNIV_INTERN -void -lock_queue_iterator_reset( -/*======================*/ - lock_queue_iterator_t* iter, /*!< out: iterator */ - const lock_t* lock, /*!< in: lock to start from */ - ulint bit_no);/*!< in: record number in the - heap */ - -/*******************************************************************//** -Gets the previous lock in the lock queue, returns NULL if there are no -more locks (i.e. the current lock is the first one). The iterator is -receded (if not-NULL is returned). -@return previous lock or NULL */ - -const lock_t* -lock_queue_iterator_get_prev( -/*=========================*/ - lock_queue_iterator_t* iter); /*!< in/out: iterator */ - -#endif /* lock0iter_h */ diff --git a/perfschema/include/lock0lock.h b/perfschema/include/lock0lock.h deleted file mode 100644 index 7d76cbe3c75..00000000000 --- a/perfschema/include/lock0lock.h +++ /dev/null @@ -1,826 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0lock.h -The transaction lock system - -Created 5/7/1996 Heikki Tuuri -*******************************************************/ - -#ifndef lock0lock_h -#define lock0lock_h - -#include "univ.i" -#include "buf0types.h" -#include "trx0types.h" -#include "mtr0types.h" -#include "rem0types.h" -#include "dict0types.h" -#include "que0types.h" -#include "lock0types.h" -#include "read0types.h" -#include "hash0hash.h" -#include "ut0vec.h" - -#ifdef UNIV_DEBUG -extern ibool lock_print_waits; -#endif /* UNIV_DEBUG */ -/* Buffer for storing information about the most recent deadlock error */ -extern FILE* lock_latest_err_file; - -/*********************************************************************//** -Gets the size of a lock struct. -@return size in bytes */ -UNIV_INTERN -ulint -lock_get_size(void); -/*===============*/ -/*********************************************************************//** -Creates the lock system at database start. */ -UNIV_INTERN -void -lock_sys_create( -/*============*/ - ulint n_cells); /*!< in: number of slots in lock hash table */ -/*********************************************************************//** -Closes the lock system at database shutdown. */ -UNIV_INTERN -void -lock_sys_close(void); -/*================*/ -/*********************************************************************//** -Checks if some transaction has an implicit x-lock on a record in a clustered -index. -@return transaction which has the x-lock, or NULL */ -UNIV_INLINE -trx_t* -lock_clust_rec_some_has_impl( -/*=========================*/ - const rec_t* rec, /*!< in: user record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/*********************************************************************//** -Gets the heap_no of the smallest user record on a page. -@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ -UNIV_INLINE -ulint -lock_get_min_heap_no( -/*=================*/ - const buf_block_t* block); /*!< in: buffer block */ -/*************************************************************//** -Updates the lock table when we have reorganized a page. NOTE: we copy -also the locks set on the infimum of the page; the infimum may carry -locks if an update of a record is occurring on the page, and its locks -were temporarily stored on the infimum. */ -UNIV_INTERN -void -lock_move_reorganize_page( -/*======================*/ - const buf_block_t* block, /*!< in: old index page, now - reorganized */ - const buf_block_t* oblock);/*!< in: copy of the old, not - reorganized page */ -/*************************************************************//** -Moves the explicit locks on user records to another page if a record -list end is moved to another page. */ -UNIV_INTERN -void -lock_move_rec_list_end( -/*===================*/ - const buf_block_t* new_block, /*!< in: index page to move to */ - const buf_block_t* block, /*!< in: index page */ - const rec_t* rec); /*!< in: record on page: this - is the first record moved */ -/*************************************************************//** -Moves the explicit locks on user records to another page if a record -list start is moved to another page. */ -UNIV_INTERN -void -lock_move_rec_list_start( -/*=====================*/ - const buf_block_t* new_block, /*!< in: index page to move to */ - const buf_block_t* block, /*!< in: index page */ - const rec_t* rec, /*!< in: record on page: - this is the first - record NOT copied */ - const rec_t* old_end); /*!< in: old - previous-to-last - record on new_page - before the records - were copied */ -/*************************************************************//** -Updates the lock table when a page is split to the right. */ -UNIV_INTERN -void -lock_update_split_right( -/*====================*/ - const buf_block_t* right_block, /*!< in: right page */ - const buf_block_t* left_block); /*!< in: left page */ -/*************************************************************//** -Updates the lock table when a page is merged to the right. */ -UNIV_INTERN -void -lock_update_merge_right( -/*====================*/ - const buf_block_t* right_block, /*!< in: right page to - which merged */ - const rec_t* orig_succ, /*!< in: original - successor of infimum - on the right page - before merge */ - const buf_block_t* left_block); /*!< in: merged index - page which will be - discarded */ -/*************************************************************//** -Updates the lock table when the root page is copied to another in -btr_root_raise_and_insert. Note that we leave lock structs on the -root page, even though they do not make sense on other than leaf -pages: the reason is that in a pessimistic update the infimum record -of the root page will act as a dummy carrier of the locks of the record -to be updated. */ -UNIV_INTERN -void -lock_update_root_raise( -/*===================*/ - const buf_block_t* block, /*!< in: index page to which copied */ - const buf_block_t* root); /*!< in: root page */ -/*************************************************************//** -Updates the lock table when a page is copied to another and the original page -is removed from the chain of leaf pages, except if page is the root! */ -UNIV_INTERN -void -lock_update_copy_and_discard( -/*=========================*/ - const buf_block_t* new_block, /*!< in: index page to - which copied */ - const buf_block_t* block); /*!< in: index page; - NOT the root! */ -/*************************************************************//** -Updates the lock table when a page is split to the left. */ -UNIV_INTERN -void -lock_update_split_left( -/*===================*/ - const buf_block_t* right_block, /*!< in: right page */ - const buf_block_t* left_block); /*!< in: left page */ -/*************************************************************//** -Updates the lock table when a page is merged to the left. */ -UNIV_INTERN -void -lock_update_merge_left( -/*===================*/ - const buf_block_t* left_block, /*!< in: left page to - which merged */ - const rec_t* orig_pred, /*!< in: original predecessor - of supremum on the left page - before merge */ - const buf_block_t* right_block); /*!< in: merged index page - which will be discarded */ -/*************************************************************//** -Resets the original locks on heir and replaces them with gap type locks -inherited from rec. */ -UNIV_INTERN -void -lock_rec_reset_and_inherit_gap_locks( -/*=================================*/ - const buf_block_t* heir_block, /*!< in: block containing the - record which inherits */ - const buf_block_t* block, /*!< in: block containing the - record from which inherited; - does NOT reset the locks on - this record */ - ulint heir_heap_no, /*!< in: heap_no of the - inheriting record */ - ulint heap_no); /*!< in: heap_no of the - donating record */ -/*************************************************************//** -Updates the lock table when a page is discarded. */ -UNIV_INTERN -void -lock_update_discard( -/*================*/ - const buf_block_t* heir_block, /*!< in: index page - which will inherit the locks */ - ulint heir_heap_no, /*!< in: heap_no of the record - which will inherit the locks */ - const buf_block_t* block); /*!< in: index page - which will be discarded */ -/*************************************************************//** -Updates the lock table when a new user record is inserted. */ -UNIV_INTERN -void -lock_update_insert( -/*===============*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec); /*!< in: the inserted record */ -/*************************************************************//** -Updates the lock table when a record is removed. */ -UNIV_INTERN -void -lock_update_delete( -/*===============*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec); /*!< in: the record to be removed */ -/*********************************************************************//** -Stores on the page infimum record the explicit locks of another record. -This function is used to store the lock state of a record when it is -updated and the size of the record changes in the update. The record -is in such an update moved, perhaps to another page. The infimum record -acts as a dummy carrier record, taking care of lock releases while the -actual record is being moved. */ -UNIV_INTERN -void -lock_rec_store_on_page_infimum( -/*===========================*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec); /*!< in: record whose lock state - is stored on the infimum - record of the same page; lock - bits are reset on the - record */ -/*********************************************************************//** -Restores the state of explicit lock requests on a single record, where the -state was stored on the infimum of the page. */ -UNIV_INTERN -void -lock_rec_restore_from_page_infimum( -/*===============================*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec, /*!< in: record whose lock state - is restored */ - const buf_block_t* donator);/*!< in: page (rec is not - necessarily on this page) - whose infimum stored the lock - state; lock bits are reset on - the infimum */ -/*********************************************************************//** -Returns TRUE if there are explicit record locks on a page. -@return TRUE if there are explicit record locks on the page */ -UNIV_INTERN -ibool -lock_rec_expl_exist_on_page( -/*========================*/ - ulint space, /*!< in: space id */ - ulint page_no);/*!< in: page number */ -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate insert of -a record. If they do, first tests if the query thread should anyway -be suspended for some reason; if not, then puts the transaction and -the query thread to the lock wait state and inserts a waiting request -for a gap x-lock to the lock queue. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_rec_insert_check_and_lock( -/*===========================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is - set, does nothing */ - const rec_t* rec, /*!< in: record after which to insert */ - buf_block_t* block, /*!< in/out: buffer block of rec */ - dict_index_t* index, /*!< in: index */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr, /*!< in/out: mini-transaction */ - ibool* inherit);/*!< out: set to TRUE if the new - inserted record maybe should inherit - LOCK_GAP type locks from the successor - record */ -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate modify (update, -delete mark, or delete unmark) of a clustered index record. If they do, -first tests if the query thread should anyway be suspended for some -reason; if not, then puts the transaction and the query thread to the -lock wait state and inserts a waiting request for a record x-lock to the -lock queue. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_modify_check_and_lock( -/*=================================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: record which should be - modified */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate modify -(delete mark or delete unmark) of a secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_sec_rec_modify_check_and_lock( -/*===============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - buf_block_t* block, /*!< in/out: buffer block of rec */ - const rec_t* rec, /*!< in: record which should be - modified; NOTE: as this is a secondary - index, we always have to modify the - clustered index record first: see the - comment below */ - dict_index_t* index, /*!< in: secondary index */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr); /*!< in/out: mini-transaction */ -/*********************************************************************//** -Like the counterpart for a clustered index below, but now we read a -secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_sec_rec_read_check_and_lock( -/*=============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: secondary index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate read, or passing -over by a read cursor, of a clustered index record. If they do, first tests -if the query thread should anyway be suspended for some reason; if not, then -puts the transaction and the query thread to the lock wait state and inserts a -waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_read_check_and_lock( -/*===============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate read, or passing -over by a read cursor, of a clustered index record. If they do, first tests -if the query thread should anyway be suspended for some reason; if not, then -puts the transaction and the query thread to the lock wait state and inserts a -waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. This is an alternative version of -lock_clust_rec_read_check_and_lock() that does not require the parameter -"offsets". -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_read_check_and_lock_alt( -/*===================================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: clustered index */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Checks that a record is seen in a consistent read. -@return TRUE if sees, or FALSE if an earlier version of the record -should be retrieved */ -UNIV_INTERN -ibool -lock_clust_rec_cons_read_sees( -/*==========================*/ - const rec_t* rec, /*!< in: user record which should be read or - passed over by a read cursor */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - read_view_t* view); /*!< in: consistent read view */ -/*********************************************************************//** -Checks that a non-clustered index record is seen in a consistent read. - -NOTE that a non-clustered index page contains so little information on -its modifications that also in the case FALSE, the present version of -rec may be the right, but we must check this from the clustered index -record. - -@return TRUE if certainly sees, or FALSE if an earlier version of the -clustered index record might be needed */ -UNIV_INTERN -ulint -lock_sec_rec_cons_read_sees( -/*========================*/ - const rec_t* rec, /*!< in: user record which - should be read or passed over - by a read cursor */ - const read_view_t* view); /*!< in: consistent read view */ -/*********************************************************************//** -Locks the specified database table in the mode given. If the lock cannot -be granted immediately, the query thread is put to wait. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_table( -/*=======*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, - does nothing */ - dict_table_t* table, /*!< in: database table in dictionary cache */ - enum lock_mode mode, /*!< in: lock mode */ - que_thr_t* thr); /*!< in: query thread */ -/*************************************************************//** -Removes a granted record lock of a transaction from the queue and grants -locks to other transactions waiting in the queue if they now are entitled -to a lock. */ -UNIV_INTERN -void -lock_rec_unlock( -/*============*/ - trx_t* trx, /*!< in: transaction that has - set a record lock */ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec, /*!< in: record */ - enum lock_mode lock_mode);/*!< in: LOCK_S or LOCK_X */ -/*********************************************************************//** -Releases transaction locks, and releases possible other transactions waiting -because of these locks. */ -UNIV_INTERN -void -lock_release_off_kernel( -/*====================*/ - trx_t* trx); /*!< in: transaction */ -/*********************************************************************//** -Cancels a waiting lock request and releases possible other transactions -waiting behind it. */ -UNIV_INTERN -void -lock_cancel_waiting_and_release( -/*============================*/ - lock_t* lock); /*!< in: waiting lock request */ - -/*********************************************************************//** -Removes locks on a table to be dropped or truncated. -If remove_also_table_sx_locks is TRUE then table-level S and X locks are -also removed in addition to other table-level and record-level locks. -No lock, that is going to be removed, is allowed to be a wait lock. */ -UNIV_INTERN -void -lock_remove_all_on_table( -/*=====================*/ - dict_table_t* table, /*!< in: table to be dropped - or truncated */ - ibool remove_also_table_sx_locks);/*!< in: also removes - table S and X locks */ - -/*********************************************************************//** -Calculates the fold value of a page file address: used in inserting or -searching for a lock in the hash table. -@return folded value */ -UNIV_INLINE -ulint -lock_rec_fold( -/*==========*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ - __attribute__((const)); -/*********************************************************************//** -Calculates the hash value of a page file address: used in inserting or -searching for a lock in the hash table. -@return hashed value */ -UNIV_INLINE -ulint -lock_rec_hash( -/*==========*/ - ulint space, /*!< in: space */ - ulint page_no);/*!< in: page number */ - -/**********************************************************************//** -Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. -@return bit index == heap number of the record, or ULINT_UNDEFINED if -none found */ -UNIV_INTERN -ulint -lock_rec_find_set_bit( -/*==================*/ - const lock_t* lock); /*!< in: record lock with at least one - bit set */ - -/*********************************************************************//** -Gets the source table of an ALTER TABLE transaction. The table must be -covered by an IX or IS table lock. -@return the source table of transaction, if it is covered by an IX or -IS table lock; dest if there is no source table, and NULL if the -transaction is locking more than two tables or an inconsistency is -found */ -UNIV_INTERN -dict_table_t* -lock_get_src_table( -/*===============*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* dest, /*!< in: destination of ALTER TABLE */ - enum lock_mode* mode); /*!< out: lock mode of the source table */ -/*********************************************************************//** -Determine if the given table is exclusively "owned" by the given -transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC -on the table. -@return TRUE if table is only locked by trx, with LOCK_IX, and -possibly LOCK_AUTO_INC */ -UNIV_INTERN -ibool -lock_is_table_exclusive( -/*====================*/ - dict_table_t* table, /*!< in: table */ - trx_t* trx); /*!< in: transaction */ -/*********************************************************************//** -Checks if a lock request lock1 has to wait for request lock2. -@return TRUE if lock1 has to wait for lock2 to be removed */ -UNIV_INTERN -ibool -lock_has_to_wait( -/*=============*/ - const lock_t* lock1, /*!< in: waiting lock */ - const lock_t* lock2); /*!< in: another lock; NOTE that it is - assumed that this has a lock bit set - on the same record as in lock1 if the - locks are record locks */ -/*********************************************************************//** -Checks that a transaction id is sensible, i.e., not in the future. -@return TRUE if ok */ -UNIV_INTERN -ibool -lock_check_trx_id_sanity( -/*=====================*/ - trx_id_t trx_id, /*!< in: trx id */ - const rec_t* rec, /*!< in: user record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ - ibool has_kernel_mutex);/*!< in: TRUE if the caller owns the - kernel mutex */ -/*********************************************************************//** -Prints info of a table lock. */ -UNIV_INTERN -void -lock_table_print( -/*=============*/ - FILE* file, /*!< in: file where to print */ - const lock_t* lock); /*!< in: table type lock */ -/*********************************************************************//** -Prints info of a record lock. */ -UNIV_INTERN -void -lock_rec_print( -/*===========*/ - FILE* file, /*!< in: file where to print */ - const lock_t* lock); /*!< in: record type lock */ -/*********************************************************************//** -Prints info of locks for all transactions. -@return FALSE if not able to obtain kernel mutex -and exits without printing info */ -UNIV_INTERN -ibool -lock_print_info_summary( -/*====================*/ - FILE* file, /*!< in: file where to print */ - ibool nowait);/*!< in: whether to wait for the kernel mutex */ -/************************************************************************* -Prints info of locks for each transaction. */ -UNIV_INTERN -void -lock_print_info_all_transactions( -/*=============================*/ - FILE* file); /*!< in: file where to print */ -/*********************************************************************//** -Return approximate number or record locks (bits set in the bitmap) for -this transaction. Since delete-marked records may be removed, the -record count will not be precise. */ -UNIV_INTERN -ulint -lock_number_of_rows_locked( -/*=======================*/ - trx_t* trx); /*!< in: transaction */ -/*******************************************************************//** -Check if a transaction holds any autoinc locks. -@return TRUE if the transaction holds any AUTOINC locks. */ -UNIV_INTERN -ibool -lock_trx_holds_autoinc_locks( -/*=========================*/ - const trx_t* trx); /*!< in: transaction */ -/*******************************************************************//** -Release all the transaction's autoinc locks. */ -UNIV_INTERN -void -lock_release_autoinc_locks( -/*=======================*/ - trx_t* trx); /*!< in/out: transaction */ - -/*******************************************************************//** -Gets the type of a lock. Non-inline version for using outside of the -lock module. -@return LOCK_TABLE or LOCK_REC */ -UNIV_INTERN -ulint -lock_get_type( -/*==========*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -Gets the id of the transaction owning a lock. -@return transaction id */ -UNIV_INTERN -ullint -lock_get_trx_id( -/*============*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -Gets the mode of a lock in a human readable string. -The string should not be free()'d or modified. -@return lock mode */ -UNIV_INTERN -const char* -lock_get_mode_str( -/*==============*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -Gets the type of a lock in a human readable string. -The string should not be free()'d or modified. -@return lock type */ -UNIV_INTERN -const char* -lock_get_type_str( -/*==============*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -Gets the id of the table on which the lock is. -@return id of the table */ -UNIV_INTERN -ullint -lock_get_table_id( -/*==============*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -Gets the name of the table on which the lock is. -The string should not be free()'d or modified. -@return name of the table */ -UNIV_INTERN -const char* -lock_get_table_name( -/*================*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -For a record lock, gets the index on which the lock is. -@return index */ -UNIV_INTERN -const dict_index_t* -lock_rec_get_index( -/*===============*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -For a record lock, gets the name of the index on which the lock is. -The string should not be free()'d or modified. -@return name of the index */ -UNIV_INTERN -const char* -lock_rec_get_index_name( -/*====================*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -For a record lock, gets the tablespace number on which the lock is. -@return tablespace number */ -UNIV_INTERN -ulint -lock_rec_get_space_id( -/*==================*/ - const lock_t* lock); /*!< in: lock */ - -/*******************************************************************//** -For a record lock, gets the page number on which the lock is. -@return page number */ -UNIV_INTERN -ulint -lock_rec_get_page_no( -/*=================*/ - const lock_t* lock); /*!< in: lock */ - -/** Lock modes and types */ -/* @{ */ -#define LOCK_MODE_MASK 0xFUL /*!< mask used to extract mode from the - type_mode field in a lock */ -/** Lock types */ -/* @{ */ -#define LOCK_TABLE 16 /*!< table lock */ -#define LOCK_REC 32 /*!< record lock */ -#define LOCK_TYPE_MASK 0xF0UL /*!< mask used to extract lock type from the - type_mode field in a lock */ -#if LOCK_MODE_MASK & LOCK_TYPE_MASK -# error "LOCK_MODE_MASK & LOCK_TYPE_MASK" -#endif - -#define LOCK_WAIT 256 /*!< Waiting lock flag; when set, it - means that the lock has not yet been - granted, it is just waiting for its - turn in the wait queue */ -/* Precise modes */ -#define LOCK_ORDINARY 0 /*!< this flag denotes an ordinary - next-key lock in contrast to LOCK_GAP - or LOCK_REC_NOT_GAP */ -#define LOCK_GAP 512 /*!< when this bit is set, it means that the - lock holds only on the gap before the record; - for instance, an x-lock on the gap does not - give permission to modify the record on which - the bit is set; locks of this type are created - when records are removed from the index chain - of records */ -#define LOCK_REC_NOT_GAP 1024 /*!< this bit means that the lock is only on - the index record and does NOT block inserts - to the gap before the index record; this is - used in the case when we retrieve a record - with a unique key, and is also used in - locking plain SELECTs (not part of UPDATE - or DELETE) when the user has set the READ - COMMITTED isolation level */ -#define LOCK_INSERT_INTENTION 2048 /*!< this bit is set when we place a waiting - gap type record lock request in order to let - an insert of an index record to wait until - there are no conflicting locks by other - transactions on the gap; note that this flag - remains set when the waiting lock is granted, - or if the lock is inherited to a neighboring - record */ -#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_MODE_MASK -# error -#endif -#if (LOCK_WAIT|LOCK_GAP|LOCK_REC_NOT_GAP|LOCK_INSERT_INTENTION)&LOCK_TYPE_MASK -# error -#endif -/* @} */ - -/** Lock operation struct */ -typedef struct lock_op_struct lock_op_t; -/** Lock operation struct */ -struct lock_op_struct{ - dict_table_t* table; /*!< table to be locked */ - enum lock_mode mode; /*!< lock mode */ -}; - -/** The lock system struct */ -struct lock_sys_struct{ - hash_table_t* rec_hash; /*!< hash table of the record locks */ -}; - -/** The lock system */ -extern lock_sys_t* lock_sys; - - -#ifndef UNIV_NONINL -#include "lock0lock.ic" -#endif - -#endif diff --git a/perfschema/include/lock0lock.ic b/perfschema/include/lock0lock.ic deleted file mode 100644 index 014722f51c4..00000000000 --- a/perfschema/include/lock0lock.ic +++ /dev/null @@ -1,121 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0lock.ic -The transaction lock system - -Created 5/7/1996 Heikki Tuuri -*******************************************************/ - -#include "sync0sync.h" -#include "srv0srv.h" -#include "dict0dict.h" -#include "row0row.h" -#include "trx0sys.h" -#include "trx0trx.h" -#include "buf0buf.h" -#include "page0page.h" -#include "page0cur.h" -#include "row0vers.h" -#include "que0que.h" -#include "btr0cur.h" -#include "read0read.h" -#include "log0recv.h" - -/*********************************************************************//** -Calculates the fold value of a page file address: used in inserting or -searching for a lock in the hash table. -@return folded value */ -UNIV_INLINE -ulint -lock_rec_fold( -/*==========*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - return(ut_fold_ulint_pair(space, page_no)); -} - -/*********************************************************************//** -Calculates the hash value of a page file address: used in inserting or -searching for a lock in the hash table. -@return hashed value */ -UNIV_INLINE -ulint -lock_rec_hash( -/*==========*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - return(hash_calc_hash(lock_rec_fold(space, page_no), - lock_sys->rec_hash)); -} - -/*********************************************************************//** -Checks if some transaction has an implicit x-lock on a record in a clustered -index. -@return transaction which has the x-lock, or NULL */ -UNIV_INLINE -trx_t* -lock_clust_rec_some_has_impl( -/*=========================*/ - const rec_t* rec, /*!< in: user record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - trx_id_t trx_id; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(dict_index_is_clust(index)); - ut_ad(page_rec_is_user_rec(rec)); - - trx_id = row_get_rec_trx_id(rec, index, offsets); - - if (trx_is_active(trx_id)) { - /* The modifying or inserting transaction is active */ - - return(trx_get_on_id(trx_id)); - } - - return(NULL); -} - -/*********************************************************************//** -Gets the heap_no of the smallest user record on a page. -@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */ -UNIV_INLINE -ulint -lock_get_min_heap_no( -/*=================*/ - const buf_block_t* block) /*!< in: buffer block */ -{ - const page_t* page = block->frame; - - if (page_is_comp(page)) { - return(rec_get_heap_no_new( - page - + rec_get_next_offs(page + PAGE_NEW_INFIMUM, - TRUE))); - } else { - return(rec_get_heap_no_old( - page - + rec_get_next_offs(page + PAGE_OLD_INFIMUM, - FALSE))); - } -} diff --git a/perfschema/include/lock0priv.h b/perfschema/include/lock0priv.h deleted file mode 100644 index 287c151b19f..00000000000 --- a/perfschema/include/lock0priv.h +++ /dev/null @@ -1,108 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0priv.h -Lock module internal structures and methods. - -Created July 12, 2007 Vasil Dimov -*******************************************************/ - -#ifndef lock0priv_h -#define lock0priv_h - -#ifndef LOCK_MODULE_IMPLEMENTATION -/* If you need to access members of the structures defined in this -file, please write appropriate functions that retrieve them and put -those functions in lock/ */ -#error Do not include lock0priv.h outside of the lock/ module -#endif - -#include "univ.i" -#include "dict0types.h" -#include "hash0hash.h" -#include "trx0types.h" -#include "ut0lst.h" - -/** A table lock */ -typedef struct lock_table_struct lock_table_t; -/** A table lock */ -struct lock_table_struct { - dict_table_t* table; /*!< database table in dictionary - cache */ - UT_LIST_NODE_T(lock_t) - locks; /*!< list of locks on the same - table */ -}; - -/** Record lock for a page */ -typedef struct lock_rec_struct lock_rec_t; -/** Record lock for a page */ -struct lock_rec_struct { - ulint space; /*!< space id */ - ulint page_no; /*!< page number */ - ulint n_bits; /*!< number of bits in the lock - bitmap; NOTE: the lock bitmap is - placed immediately after the - lock struct */ -}; - -/** Lock struct */ -struct lock_struct { - trx_t* trx; /*!< transaction owning the - lock */ - UT_LIST_NODE_T(lock_t) - trx_locks; /*!< list of the locks of the - transaction */ - ulint type_mode; /*!< lock type, mode, LOCK_GAP or - LOCK_REC_NOT_GAP, - LOCK_INSERT_INTENTION, - wait flag, ORed */ - hash_node_t hash; /*!< hash chain node for a record - lock */ - dict_index_t* index; /*!< index for a record lock */ - union { - lock_table_t tab_lock;/*!< table lock */ - lock_rec_t rec_lock;/*!< record lock */ - } un_member; /*!< lock details */ -}; - -/*********************************************************************//** -Gets the type of a lock. -@return LOCK_TABLE or LOCK_REC */ -UNIV_INLINE -ulint -lock_get_type_low( -/*==============*/ - const lock_t* lock); /*!< in: lock */ - -/*********************************************************************//** -Gets the previous record lock set on a record. -@return previous lock on the same record, NULL if none exists */ -UNIV_INTERN -const lock_t* -lock_rec_get_prev( -/*==============*/ - const lock_t* in_lock,/*!< in: record lock */ - ulint heap_no);/*!< in: heap number of the record */ - -#ifndef UNIV_NONINL -#include "lock0priv.ic" -#endif - -#endif /* lock0priv_h */ diff --git a/perfschema/include/lock0priv.ic b/perfschema/include/lock0priv.ic deleted file mode 100644 index 30447c99848..00000000000 --- a/perfschema/include/lock0priv.ic +++ /dev/null @@ -1,49 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0priv.ic -Lock module internal inline methods. - -Created July 16, 2007 Vasil Dimov -*******************************************************/ - -/* This file contains only methods which are used in -lock/lock0* files, other than lock/lock0lock.c. -I.e. lock/lock0lock.c contains more internal inline -methods but they are used only in that file. */ - -#ifndef LOCK_MODULE_IMPLEMENTATION -#error Do not include lock0priv.ic outside of the lock/ module -#endif - -/*********************************************************************//** -Gets the type of a lock. -@return LOCK_TABLE or LOCK_REC */ -UNIV_INLINE -ulint -lock_get_type_low( -/*==============*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_ad(lock); - - return(lock->type_mode & LOCK_TYPE_MASK); -} - -/* vim: set filetype=c: */ diff --git a/perfschema/include/lock0types.h b/perfschema/include/lock0types.h deleted file mode 100644 index 45f29e90fe9..00000000000 --- a/perfschema/include/lock0types.h +++ /dev/null @@ -1,45 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/lock0types.h -The transaction lock system global types - -Created 5/7/1996 Heikki Tuuri -*******************************************************/ - -#ifndef lock0types_h -#define lock0types_h - -#define lock_t ib_lock_t -typedef struct lock_struct lock_t; -typedef struct lock_sys_struct lock_sys_t; - -/* Basic lock modes */ -enum lock_mode { - LOCK_IS = 0, /* intention shared */ - LOCK_IX, /* intention exclusive */ - LOCK_S, /* shared */ - LOCK_X, /* exclusive */ - LOCK_AUTO_INC, /* locks the auto-inc counter of a table - in an exclusive mode */ - LOCK_NONE, /* this is used elsewhere to note consistent read */ - LOCK_NUM = LOCK_NONE/* number of lock modes */ -}; - -#endif diff --git a/perfschema/include/log0log.h b/perfschema/include/log0log.h deleted file mode 100644 index 8fce4ef96bc..00000000000 --- a/perfschema/include/log0log.h +++ /dev/null @@ -1,969 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/log0log.h -Database log - -Created 12/9/1995 Heikki Tuuri -*******************************************************/ - -#ifndef log0log_h -#define log0log_h - -#include "univ.i" -#include "ut0byte.h" -#include "ut0lst.h" -#ifndef UNIV_HOTBACKUP -#include "sync0sync.h" -#include "sync0rw.h" -#endif /* !UNIV_HOTBACKUP */ - -/** Redo log buffer */ -typedef struct log_struct log_t; -/** Redo log group */ -typedef struct log_group_struct log_group_t; - -#ifdef UNIV_DEBUG -/** Flag: write to log file? */ -extern ibool log_do_write; -/** Flag: enable debug output when writing to the log? */ -extern ibool log_debug_writes; -#else /* UNIV_DEBUG */ -/** Write to log */ -# define log_do_write TRUE -#endif /* UNIV_DEBUG */ - -/** Wait modes for log_write_up_to @{ */ -#define LOG_NO_WAIT 91 -#define LOG_WAIT_ONE_GROUP 92 -#define LOG_WAIT_ALL_GROUPS 93 -/* @} */ -/** Maximum number of log groups in log_group_struct::checkpoint_buf */ -#define LOG_MAX_N_GROUPS 32 - -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, -so that we know that the limit has been written to a log checkpoint field -on disk. */ -UNIV_INTERN -void -log_fsp_current_free_limit_set_and_checkpoint( -/*==========================================*/ - ulint limit); /*!< in: limit to set */ -#endif /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Calculates where in log files we find a specified lsn. -@return log file number */ -UNIV_INTERN -ulint -log_calc_where_lsn_is( -/*==================*/ - ib_int64_t* log_file_offset, /*!< out: offset in that file - (including the header) */ - ib_uint64_t first_header_lsn, /*!< in: first log file start - lsn */ - ib_uint64_t lsn, /*!< in: lsn whose position to - determine */ - ulint n_log_files, /*!< in: total number of log - files */ - ib_int64_t log_file_size); /*!< in: log file size - (including the header) */ -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Writes to the log the string given. The log must be released with -log_release. -@return end lsn of the log record, zero if did not succeed */ -UNIV_INLINE -ib_uint64_t -log_reserve_and_write_fast( -/*=======================*/ - const void* str, /*!< in: string */ - ulint len, /*!< in: string length */ - ib_uint64_t* start_lsn);/*!< out: start lsn of the log record */ -/***********************************************************************//** -Releases the log mutex. */ -UNIV_INLINE -void -log_release(void); -/*=============*/ -/***********************************************************************//** -Checks if there is need for a log buffer flush or a new checkpoint, and does -this if yes. Any database operation should call this when it has modified -more than about 4 pages. NOTE that this function may only be called when the -OS thread owns no synchronization objects except the dictionary mutex. */ -UNIV_INLINE -void -log_free_check(void); -/*================*/ -/************************************************************//** -Opens the log for log_write_low. The log must be closed with log_close and -released with log_release. -@return start lsn of the log record */ -UNIV_INTERN -ib_uint64_t -log_reserve_and_open( -/*=================*/ - ulint len); /*!< in: length of data to be catenated */ -/************************************************************//** -Writes to the log the string given. It is assumed that the caller holds the -log mutex. */ -UNIV_INTERN -void -log_write_low( -/*==========*/ - byte* str, /*!< in: string */ - ulint str_len); /*!< in: string length */ -/************************************************************//** -Closes the log. -@return lsn */ -UNIV_INTERN -ib_uint64_t -log_close(void); -/*===========*/ -/************************************************************//** -Gets the current lsn. -@return current lsn */ -UNIV_INLINE -ib_uint64_t -log_get_lsn(void); -/*=============*/ -/**************************************************************** -Gets the log group capacity. It is OK to read the value without -holding log_sys->mutex because it is constant. -@return log group capacity */ -UNIV_INLINE -ulint -log_get_capacity(void); -/*==================*/ -/******************************************************//** -Initializes the log. */ -UNIV_INTERN -void -log_init(void); -/*==========*/ -/******************************************************************//** -Inits a log group to the log system. */ -UNIV_INTERN -void -log_group_init( -/*===========*/ - ulint id, /*!< in: group id */ - ulint n_files, /*!< in: number of log files */ - ulint file_size, /*!< in: log file size in bytes */ - ulint space_id, /*!< in: space id of the file space - which contains the log files of this - group */ - ulint archive_space_id); /*!< in: space id of the file space - which contains some archived log - files for this group; currently, only - for the first log group this is - used */ -/******************************************************//** -Completes an i/o to a log file. */ -UNIV_INTERN -void -log_io_complete( -/*============*/ - log_group_t* group); /*!< in: log group */ -/******************************************************//** -This function is called, e.g., when a transaction wants to commit. It checks -that the log has been written to the log file up to the last log entry written -by the transaction. If there is a flush running, it waits and checks if the -flush flushed enough. If not, starts a new flush. */ -UNIV_INTERN -void -log_write_up_to( -/*============*/ - ib_uint64_t lsn, /*!< in: log sequence number up to which - the log should be written, - IB_ULONGLONG_MAX if not specified */ - ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, - or LOG_WAIT_ALL_GROUPS */ - ibool flush_to_disk); - /*!< in: TRUE if we want the written log - also to be flushed to disk */ -/****************************************************************//** -Does a syncronous flush of the log buffer to disk. */ -UNIV_INTERN -void -log_buffer_flush_to_disk(void); -/*==========================*/ -/****************************************************************//** -This functions writes the log buffer to the log file and if 'flush' -is set it forces a flush of the log file as well. This is meant to be -called from background master thread only as it does not wait for -the write (+ possible flush) to finish. */ -UNIV_INTERN -void -log_buffer_sync_in_background( -/*==========================*/ - ibool flush); /*checkpoint_buf. */ -UNIV_INTERN -void -log_group_read_checkpoint_info( -/*===========================*/ - log_group_t* group, /*!< in: log group */ - ulint field); /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ -/*******************************************************************//** -Gets info from a checkpoint about a log group. */ -UNIV_INTERN -void -log_checkpoint_get_nth_group_info( -/*==============================*/ - const byte* buf, /*!< in: buffer containing checkpoint info */ - ulint n, /*!< in: nth slot */ - ulint* file_no,/*!< out: archived file number */ - ulint* offset);/*!< out: archived file offset */ -/******************************************************//** -Writes checkpoint info to groups. */ -UNIV_INTERN -void -log_groups_write_checkpoint_info(void); -/*==================================*/ -/********************************************************************//** -Starts an archiving operation. -@return TRUE if succeed, FALSE if an archiving operation was already running */ -UNIV_INTERN -ibool -log_archive_do( -/*===========*/ - ibool sync, /*!< in: TRUE if synchronous operation is desired */ - ulint* n_bytes);/*!< out: archive log buffer size, 0 if nothing to - archive */ -/****************************************************************//** -Writes the log contents to the archive up to the lsn when this function was -called, and stops the archiving. When archiving is started again, the archived -log file numbers start from a number one higher, so that the archiving will -not write again to the archived log files which exist when this function -returns. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_stop(void); -/*==================*/ -/****************************************************************//** -Starts again archiving which has been stopped. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_start(void); -/*===================*/ -/****************************************************************//** -Stop archiving the log so that a gap may occur in the archived log files. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_noarchivelog(void); -/*==========================*/ -/****************************************************************//** -Start archiving the log so that a gap may occur in the archived log files. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_archivelog(void); -/*========================*/ -/******************************************************//** -Generates an archived log file name. */ -UNIV_INTERN -void -log_archived_file_name_gen( -/*=======================*/ - char* buf, /*!< in: buffer where to write */ - ulint id, /*!< in: group id */ - ulint file_no);/*!< in: file number */ -#else /* !UNIV_HOTBACKUP */ -/******************************************************//** -Writes info to a buffer of a log group when log files are created in -backup restoration. */ -UNIV_INTERN -void -log_reset_first_header_and_checkpoint( -/*==================================*/ - byte* hdr_buf,/*!< in: buffer which will be written to the - start of the first log file */ - ib_uint64_t start); /*!< in: lsn of the start of the first log file; - we pretend that there is a checkpoint at - start + LOG_BLOCK_HDR_SIZE */ -#endif /* !UNIV_HOTBACKUP */ -/********************************************************************//** -Checks that there is enough free space in the log to start a new query step. -Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this -function may only be called if the calling thread owns no synchronization -objects! */ -UNIV_INTERN -void -log_check_margins(void); -/*===================*/ -#ifndef UNIV_HOTBACKUP -/******************************************************//** -Reads a specified log segment to a buffer. */ -UNIV_INTERN -void -log_group_read_log_seg( -/*===================*/ - ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ - byte* buf, /*!< in: buffer where to read */ - log_group_t* group, /*!< in: log group */ - ib_uint64_t start_lsn, /*!< in: read area start */ - ib_uint64_t end_lsn); /*!< in: read area end */ -/******************************************************//** -Writes a buffer to a log file group. */ -UNIV_INTERN -void -log_group_write_buf( -/*================*/ - log_group_t* group, /*!< in: log group */ - byte* buf, /*!< in: buffer */ - ulint len, /*!< in: buffer len; must be divisible - by OS_FILE_LOG_BLOCK_SIZE */ - ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must - be divisible by - OS_FILE_LOG_BLOCK_SIZE */ - ulint new_data_offset);/*!< in: start offset of new data in - buf: this parameter is used to decide - if we have to write a new log file - header */ -/********************************************************//** -Sets the field values in group to correspond to a given lsn. For this function -to work, the values must already be correctly initialized to correspond to -some lsn, for instance, a checkpoint lsn. */ -UNIV_INTERN -void -log_group_set_fields( -/*=================*/ - log_group_t* group, /*!< in/out: group */ - ib_uint64_t lsn); /*!< in: lsn for which the values should be - set */ -/******************************************************//** -Calculates the data capacity of a log group, when the log file headers are not -included. -@return capacity in bytes */ -UNIV_INTERN -ulint -log_group_get_capacity( -/*===================*/ - const log_group_t* group); /*!< in: log group */ -#endif /* !UNIV_HOTBACKUP */ -/************************************************************//** -Gets a log block flush bit. -@return TRUE if this block was the first to be written in a log flush */ -UNIV_INLINE -ibool -log_block_get_flush_bit( -/*====================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Gets a log block number stored in the header. -@return log block number stored in the block header */ -UNIV_INLINE -ulint -log_block_get_hdr_no( -/*=================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Gets a log block data length. -@return log block data length measured as a byte offset from the block start */ -UNIV_INLINE -ulint -log_block_get_data_len( -/*===================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Sets the log block data length. */ -UNIV_INLINE -void -log_block_set_data_len( -/*===================*/ - byte* log_block, /*!< in/out: log block */ - ulint len); /*!< in: data length */ -/************************************************************//** -Calculates the checksum for a log block. -@return checksum */ -UNIV_INLINE -ulint -log_block_calc_checksum( -/*====================*/ - const byte* block); /*!< in: log block */ -/************************************************************//** -Gets a log block checksum field value. -@return checksum */ -UNIV_INLINE -ulint -log_block_get_checksum( -/*===================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Sets a log block checksum field value. */ -UNIV_INLINE -void -log_block_set_checksum( -/*===================*/ - byte* log_block, /*!< in/out: log block */ - ulint checksum); /*!< in: checksum */ -/************************************************************//** -Gets a log block first mtr log record group offset. -@return first mtr log record group byte offset from the block start, 0 -if none */ -UNIV_INLINE -ulint -log_block_get_first_rec_group( -/*==========================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Sets the log block first mtr log record group offset. */ -UNIV_INLINE -void -log_block_set_first_rec_group( -/*==========================*/ - byte* log_block, /*!< in/out: log block */ - ulint offset); /*!< in: offset, 0 if none */ -/************************************************************//** -Gets a log block checkpoint number field (4 lowest bytes). -@return checkpoint no (4 lowest bytes) */ -UNIV_INLINE -ulint -log_block_get_checkpoint_no( -/*========================*/ - const byte* log_block); /*!< in: log block */ -/************************************************************//** -Initializes a log block in the log buffer. */ -UNIV_INLINE -void -log_block_init( -/*===========*/ - byte* log_block, /*!< in: pointer to the log buffer */ - ib_uint64_t lsn); /*!< in: lsn within the log block */ -/************************************************************//** -Initializes a log block in the log buffer in the old, < 3.23.52 format, where -there was no checksum yet. */ -UNIV_INLINE -void -log_block_init_in_old_format( -/*=========================*/ - byte* log_block, /*!< in: pointer to the log buffer */ - ib_uint64_t lsn); /*!< in: lsn within the log block */ -/************************************************************//** -Converts a lsn to a log block number. -@return log block number, it is > 0 and <= 1G */ -UNIV_INLINE -ulint -log_block_convert_lsn_to_no( -/*========================*/ - ib_uint64_t lsn); /*!< in: lsn of a byte within the block */ -/******************************************************//** -Prints info of the log. */ -UNIV_INTERN -void -log_print( -/*======*/ - FILE* file); /*!< in: file where to print */ -/******************************************************//** -Peeks the current lsn. -@return TRUE if success, FALSE if could not get the log system mutex */ -UNIV_INTERN -ibool -log_peek_lsn( -/*=========*/ - ib_uint64_t* lsn); /*!< out: if returns TRUE, current lsn is here */ -/**********************************************************************//** -Refreshes the statistics used to print per-second averages. */ -UNIV_INTERN -void -log_refresh_stats(void); -/*===================*/ -/********************************************************** -Shutdown the log system but do not release all the memory. */ -UNIV_INTERN -void -log_shutdown(void); -/*==============*/ -/********************************************************** -Free the log system data structures. */ -UNIV_INTERN -void -log_mem_free(void); -/*==============*/ - -extern log_t* log_sys; - -/* Values used as flags */ -#define LOG_FLUSH 7652559 -#define LOG_CHECKPOINT 78656949 -#ifdef UNIV_LOG_ARCHIVE -# define LOG_ARCHIVE 11122331 -#endif /* UNIV_LOG_ARCHIVE */ -#define LOG_RECOVER 98887331 - -/* The counting of lsn's starts from this value: this must be non-zero */ -#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_SIZE)) - -#define LOG_BUFFER_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE) -#define LOG_ARCHIVE_BUF_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE / 4) - -/* Offsets of a log block header */ -#define LOG_BLOCK_HDR_NO 0 /* block number which must be > 0 and - is allowed to wrap around at 2G; the - highest bit is set to 1 if this is the - first log block in a log flush write - segment */ -#define LOG_BLOCK_FLUSH_BIT_MASK 0x80000000UL - /* mask used to get the highest bit in - the preceding field */ -#define LOG_BLOCK_HDR_DATA_LEN 4 /* number of bytes of log written to - this block */ -#define LOG_BLOCK_FIRST_REC_GROUP 6 /* offset of the first start of an - mtr log record group in this log block, - 0 if none; if the value is the same - as LOG_BLOCK_HDR_DATA_LEN, it means - that the first rec group has not yet - been catenated to this log block, but - if it will, it will start at this - offset; an archive recovery can - start parsing the log records starting - from this offset in this log block, - if value not 0 */ -#define LOG_BLOCK_CHECKPOINT_NO 8 /* 4 lower bytes of the value of - log_sys->next_checkpoint_no when the - log block was last written to: if the - block has not yet been written full, - this value is only updated before a - log buffer flush */ -#define LOG_BLOCK_HDR_SIZE 12 /* size of the log block header in - bytes */ - -/* Offsets of a log block trailer from the end of the block */ -#define LOG_BLOCK_CHECKSUM 4 /* 4 byte checksum of the log block - contents; in InnoDB versions - < 3.23.52 this did not contain the - checksum but the same value as - .._HDR_NO */ -#define LOG_BLOCK_TRL_SIZE 4 /* trailer size in bytes */ - -/* Offsets for a checkpoint field */ -#define LOG_CHECKPOINT_NO 0 -#define LOG_CHECKPOINT_LSN 8 -#define LOG_CHECKPOINT_OFFSET 16 -#define LOG_CHECKPOINT_LOG_BUF_SIZE 20 -#define LOG_CHECKPOINT_ARCHIVED_LSN 24 -#define LOG_CHECKPOINT_GROUP_ARRAY 32 - -/* For each value smaller than LOG_MAX_N_GROUPS the following 8 bytes: */ - -#define LOG_CHECKPOINT_ARCHIVED_FILE_NO 0 -#define LOG_CHECKPOINT_ARCHIVED_OFFSET 4 - -#define LOG_CHECKPOINT_ARRAY_END (LOG_CHECKPOINT_GROUP_ARRAY\ - + LOG_MAX_N_GROUPS * 8) -#define LOG_CHECKPOINT_CHECKSUM_1 LOG_CHECKPOINT_ARRAY_END -#define LOG_CHECKPOINT_CHECKSUM_2 (4 + LOG_CHECKPOINT_ARRAY_END) -#define LOG_CHECKPOINT_FSP_FREE_LIMIT (8 + LOG_CHECKPOINT_ARRAY_END) - /* current fsp free limit in - tablespace 0, in units of one - megabyte; this information is only used - by ibbackup to decide if it can - truncate unused ends of - non-auto-extending data files in space - 0 */ -#define LOG_CHECKPOINT_FSP_MAGIC_N (12 + LOG_CHECKPOINT_ARRAY_END) - /* this magic number tells if the - checkpoint contains the above field: - the field was added to - InnoDB-3.23.50 */ -#define LOG_CHECKPOINT_SIZE (16 + LOG_CHECKPOINT_ARRAY_END) - -#define LOG_CHECKPOINT_FSP_MAGIC_N_VAL 1441231243 - -/* Offsets of a log file header */ -#define LOG_GROUP_ID 0 /* log group number */ -#define LOG_FILE_START_LSN 4 /* lsn of the start of data in this - log file */ -#define LOG_FILE_NO 12 /* 4-byte archived log file number; - this field is only defined in an - archived log file */ -#define LOG_FILE_WAS_CREATED_BY_HOT_BACKUP 16 - /* a 32-byte field which contains - the string 'ibbackup' and the - creation time if the log file was - created by ibbackup --restore; - when mysqld is first time started - on the restored database, it can - print helpful info for the user */ -#define LOG_FILE_ARCH_COMPLETED OS_FILE_LOG_BLOCK_SIZE - /* this 4-byte field is TRUE when - the writing of an archived log file - has been completed; this field is - only defined in an archived log file */ -#define LOG_FILE_END_LSN (OS_FILE_LOG_BLOCK_SIZE + 4) - /* lsn where the archived log file - at least extends: actually the - archived log file may extend to a - later lsn, as long as it is within the - same log block as this lsn; this field - is defined only when an archived log - file has been completely written */ -#define LOG_CHECKPOINT_1 OS_FILE_LOG_BLOCK_SIZE - /* first checkpoint field in the log - header; we write alternately to the - checkpoint fields when we make new - checkpoints; this field is only defined - in the first log file of a log group */ -#define LOG_CHECKPOINT_2 (3 * OS_FILE_LOG_BLOCK_SIZE) - /* second checkpoint field in the log - header */ -#define LOG_FILE_HDR_SIZE (4 * OS_FILE_LOG_BLOCK_SIZE) - -#define LOG_GROUP_OK 301 -#define LOG_GROUP_CORRUPTED 302 - -/** Log group consists of a number of log files, each of the same size; a log -group is implemented as a space in the sense of the module fil0fil. */ -struct log_group_struct{ - /* The following fields are protected by log_sys->mutex */ - ulint id; /*!< log group id */ - ulint n_files; /*!< number of files in the group */ - ulint file_size; /*!< individual log file size in bytes, - including the log file header */ - ulint space_id; /*!< file space which implements the log - group */ - ulint state; /*!< LOG_GROUP_OK or - LOG_GROUP_CORRUPTED */ - ib_uint64_t lsn; /*!< lsn used to fix coordinates within - the log group */ - ulint lsn_offset; /*!< the offset of the above lsn */ - ulint n_pending_writes;/*!< number of currently pending flush - writes for this log group */ - byte** file_header_bufs_ptr;/*!< unaligned buffers */ - byte** file_header_bufs;/*!< buffers for each file - header in the group */ -#ifdef UNIV_LOG_ARCHIVE - /*-----------------------------*/ - byte** archive_file_header_bufs_ptr;/*!< unaligned buffers */ - byte** archive_file_header_bufs;/*!< buffers for each file - header in the group */ - ulint archive_space_id;/*!< file space which - implements the log group - archive */ - ulint archived_file_no;/*!< file number corresponding to - log_sys->archived_lsn */ - ulint archived_offset;/*!< file offset corresponding to - log_sys->archived_lsn, 0 if we have - not yet written to the archive file - number archived_file_no */ - ulint next_archived_file_no;/*!< during an archive write, - until the write is completed, we - store the next value for - archived_file_no here: the write - completion function then sets the new - value to ..._file_no */ - ulint next_archived_offset; /*!< like the preceding field */ -#endif /* UNIV_LOG_ARCHIVE */ - /*-----------------------------*/ - ib_uint64_t scanned_lsn; /*!< used only in recovery: recovery scan - succeeded up to this lsn in this log - group */ - byte* checkpoint_buf_ptr;/*!< unaligned checkpoint header */ - byte* checkpoint_buf; /*!< checkpoint header is written from - this buffer to the group */ - UT_LIST_NODE_T(log_group_t) - log_groups; /*!< list of log groups */ -}; - -/** Redo log buffer */ -struct log_struct{ - byte pad[64]; /*!< padding to prevent other memory - update hotspots from residing on the - same memory cache line */ - ib_uint64_t lsn; /*!< log sequence number */ - ulint buf_free; /*!< first free offset within the log - buffer */ -#ifndef UNIV_HOTBACKUP - mutex_t mutex; /*!< mutex protecting the log */ -#endif /* !UNIV_HOTBACKUP */ - byte* buf_ptr; /* unaligned log buffer */ - byte* buf; /*!< log buffer */ - ulint buf_size; /*!< log buffer size in bytes */ - ulint max_buf_free; /*!< recommended maximum value of - buf_free, after which the buffer is - flushed */ - ulint old_buf_free; /*!< value of buf free when log was - last time opened; only in the debug - version */ - ib_uint64_t old_lsn; /*!< value of lsn when log was - last time opened; only in the - debug version */ - ibool check_flush_or_checkpoint; - /*!< this is set to TRUE when there may - be need to flush the log buffer, or - preflush buffer pool pages, or make - a checkpoint; this MUST be TRUE when - lsn - last_checkpoint_lsn > - max_checkpoint_age; this flag is - peeked at by log_free_check(), which - does not reserve the log mutex */ - UT_LIST_BASE_NODE_T(log_group_t) - log_groups; /*!< log groups */ - -#ifndef UNIV_HOTBACKUP - /** The fields involved in the log buffer flush @{ */ - - ulint buf_next_to_write;/*!< first offset in the log buffer - where the byte content may not exist - written to file, e.g., the start - offset of a log record catenated - later; this is advanced when a flush - operation is completed to all the log - groups */ - ib_uint64_t written_to_some_lsn; - /*!< first log sequence number not yet - written to any log group; for this to - be advanced, it is enough that the - write i/o has been completed for any - one log group */ - ib_uint64_t written_to_all_lsn; - /*!< first log sequence number not yet - written to some log group; for this to - be advanced, it is enough that the - write i/o has been completed for all - log groups. - Note that since InnoDB currently - has only one log group therefore - this value is redundant. Also it - is possible that this value - falls behind the - flushed_to_disk_lsn transiently. - It is appropriate to use either - flushed_to_disk_lsn or - write_lsn which are always - up-to-date and accurate. */ - ib_uint64_t write_lsn; /*!< end lsn for the current running - write */ - ulint write_end_offset;/*!< the data in buffer has - been written up to this offset - when the current write ends: - this field will then be copied - to buf_next_to_write */ - ib_uint64_t current_flush_lsn;/*!< end lsn for the current running - write + flush operation */ - ib_uint64_t flushed_to_disk_lsn; - /*!< how far we have written the log - AND flushed to disk */ - ulint n_pending_writes;/*!< number of currently - pending flushes or writes */ - /* NOTE on the 'flush' in names of the fields below: starting from - 4.0.14, we separate the write of the log file and the actual fsync() - or other method to flush it to disk. The names below shhould really - be 'flush_or_write'! */ - os_event_t no_flush_event; /*!< this event is in the reset state - when a flush or a write is running; - a thread should wait for this without - owning the log mutex, but NOTE that - to set or reset this event, the - thread MUST own the log mutex! */ - ibool one_flushed; /*!< during a flush, this is - first FALSE and becomes TRUE - when one log group has been - written or flushed */ - os_event_t one_flushed_event;/*!< this event is reset when the - flush or write has not yet completed - for any log group; e.g., this means - that a transaction has been committed - when this is set; a thread should wait - for this without owning the log mutex, - but NOTE that to set or reset this - event, the thread MUST own the log - mutex! */ - ulint n_log_ios; /*!< number of log i/os initiated thus - far */ - ulint n_log_ios_old; /*!< number of log i/o's at the - previous printout */ - time_t last_printout_time;/*!< when log_print was last time - called */ - /* @} */ - - /** Fields involved in checkpoints @{ */ - ulint log_group_capacity; /*!< capacity of the log group; if - the checkpoint age exceeds this, it is - a serious error because it is possible - we will then overwrite log and spoil - crash recovery */ - ulint max_modified_age_async; - /*!< when this recommended - value for lsn - - buf_pool_get_oldest_modification() - is exceeded, we start an - asynchronous preflush of pool pages */ - ulint max_modified_age_sync; - /*!< when this recommended - value for lsn - - buf_pool_get_oldest_modification() - is exceeded, we start a - synchronous preflush of pool pages */ - ulint adm_checkpoint_interval; - /*!< administrator-specified checkpoint - interval in terms of log growth in - bytes; the interval actually used by - the database can be smaller */ - ulint max_checkpoint_age_async; - /*!< when this checkpoint age - is exceeded we start an - asynchronous writing of a new - checkpoint */ - ulint max_checkpoint_age; - /*!< this is the maximum allowed value - for lsn - last_checkpoint_lsn when a - new query step is started */ - ib_uint64_t next_checkpoint_no; - /*!< next checkpoint number */ - ib_uint64_t last_checkpoint_lsn; - /*!< latest checkpoint lsn */ - ib_uint64_t next_checkpoint_lsn; - /*!< next checkpoint lsn */ - ulint n_pending_checkpoint_writes; - /*!< number of currently pending - checkpoint writes */ - rw_lock_t checkpoint_lock;/*!< this latch is x-locked when a - checkpoint write is running; a thread - should wait for this without owning - the log mutex */ -#endif /* !UNIV_HOTBACKUP */ - byte* checkpoint_buf_ptr;/* unaligned checkpoint header */ - byte* checkpoint_buf; /*!< checkpoint header is read to this - buffer */ - /* @} */ -#ifdef UNIV_LOG_ARCHIVE - /** Fields involved in archiving @{ */ - ulint archiving_state;/*!< LOG_ARCH_ON, LOG_ARCH_STOPPING - LOG_ARCH_STOPPED, LOG_ARCH_OFF */ - ib_uint64_t archived_lsn; /*!< archiving has advanced to this - lsn */ - ulint max_archived_lsn_age_async; - /*!< recommended maximum age of - archived_lsn, before we start - asynchronous copying to the archive */ - ulint max_archived_lsn_age; - /*!< maximum allowed age for - archived_lsn */ - ib_uint64_t next_archived_lsn;/*!< during an archive write, - until the write is completed, we - store the next value for - archived_lsn here: the write - completion function then sets the new - value to archived_lsn */ - ulint archiving_phase;/*!< LOG_ARCHIVE_READ or - LOG_ARCHIVE_WRITE */ - ulint n_pending_archive_ios; - /*!< number of currently pending reads - or writes in archiving */ - rw_lock_t archive_lock; /*!< this latch is x-locked when an - archive write is running; a thread - should wait for this without owning - the log mutex */ - ulint archive_buf_size;/*!< size of archive_buf */ - byte* archive_buf; /*!< log segment is written to the - archive from this buffer */ - os_event_t archiving_on; /*!< if archiving has been stopped, - a thread can wait for this event to - become signaled */ - /* @} */ -#endif /* UNIV_LOG_ARCHIVE */ -}; - -#ifdef UNIV_LOG_ARCHIVE -/** Archiving state @{ */ -#define LOG_ARCH_ON 71 -#define LOG_ARCH_STOPPING 72 -#define LOG_ARCH_STOPPING2 73 -#define LOG_ARCH_STOPPED 74 -#define LOG_ARCH_OFF 75 -/* @} */ -#endif /* UNIV_LOG_ARCHIVE */ - -#ifndef UNIV_NONINL -#include "log0log.ic" -#endif - -#endif diff --git a/perfschema/include/log0log.ic b/perfschema/include/log0log.ic deleted file mode 100644 index 139f4041a36..00000000000 --- a/perfschema/include/log0log.ic +++ /dev/null @@ -1,443 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/log0log.ic -Database log - -Created 12/9/1995 Heikki Tuuri -*******************************************************/ - -#include "os0file.h" -#include "mach0data.h" -#include "mtr0mtr.h" - -#ifdef UNIV_LOG_DEBUG -/******************************************************//** -Checks by parsing that the catenated log segment for a single mtr is -consistent. */ -UNIV_INTERN -ibool -log_check_log_recs( -/*===============*/ - const byte* buf, /*!< in: pointer to the start of - the log segment in the - log_sys->buf log buffer */ - ulint len, /*!< in: segment length in bytes */ - ib_uint64_t buf_start_lsn); /*!< in: buffer start lsn */ -#endif /* UNIV_LOG_DEBUG */ - -/************************************************************//** -Gets a log block flush bit. -@return TRUE if this block was the first to be written in a log flush */ -UNIV_INLINE -ibool -log_block_get_flush_bit( -/*====================*/ - const byte* log_block) /*!< in: log block */ -{ - if (LOG_BLOCK_FLUSH_BIT_MASK - & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)) { - - return(TRUE); - } - - return(FALSE); -} - -/************************************************************//** -Sets the log block flush bit. */ -UNIV_INLINE -void -log_block_set_flush_bit( -/*====================*/ - byte* log_block, /*!< in/out: log block */ - ibool val) /*!< in: value to set */ -{ - ulint field; - - field = mach_read_from_4(log_block + LOG_BLOCK_HDR_NO); - - if (val) { - field = field | LOG_BLOCK_FLUSH_BIT_MASK; - } else { - field = field & ~LOG_BLOCK_FLUSH_BIT_MASK; - } - - mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, field); -} - -/************************************************************//** -Gets a log block number stored in the header. -@return log block number stored in the block header */ -UNIV_INLINE -ulint -log_block_get_hdr_no( -/*=================*/ - const byte* log_block) /*!< in: log block */ -{ - return(~LOG_BLOCK_FLUSH_BIT_MASK - & mach_read_from_4(log_block + LOG_BLOCK_HDR_NO)); -} - -/************************************************************//** -Sets the log block number stored in the header; NOTE that this must be set -before the flush bit! */ -UNIV_INLINE -void -log_block_set_hdr_no( -/*=================*/ - byte* log_block, /*!< in/out: log block */ - ulint n) /*!< in: log block number: must be > 0 and - < LOG_BLOCK_FLUSH_BIT_MASK */ -{ - ut_ad(n > 0); - ut_ad(n < LOG_BLOCK_FLUSH_BIT_MASK); - - mach_write_to_4(log_block + LOG_BLOCK_HDR_NO, n); -} - -/************************************************************//** -Gets a log block data length. -@return log block data length measured as a byte offset from the block start */ -UNIV_INLINE -ulint -log_block_get_data_len( -/*===================*/ - const byte* log_block) /*!< in: log block */ -{ - return(mach_read_from_2(log_block + LOG_BLOCK_HDR_DATA_LEN)); -} - -/************************************************************//** -Sets the log block data length. */ -UNIV_INLINE -void -log_block_set_data_len( -/*===================*/ - byte* log_block, /*!< in/out: log block */ - ulint len) /*!< in: data length */ -{ - mach_write_to_2(log_block + LOG_BLOCK_HDR_DATA_LEN, len); -} - -/************************************************************//** -Gets a log block first mtr log record group offset. -@return first mtr log record group byte offset from the block start, 0 -if none */ -UNIV_INLINE -ulint -log_block_get_first_rec_group( -/*==========================*/ - const byte* log_block) /*!< in: log block */ -{ - return(mach_read_from_2(log_block + LOG_BLOCK_FIRST_REC_GROUP)); -} - -/************************************************************//** -Sets the log block first mtr log record group offset. */ -UNIV_INLINE -void -log_block_set_first_rec_group( -/*==========================*/ - byte* log_block, /*!< in/out: log block */ - ulint offset) /*!< in: offset, 0 if none */ -{ - mach_write_to_2(log_block + LOG_BLOCK_FIRST_REC_GROUP, offset); -} - -/************************************************************//** -Gets a log block checkpoint number field (4 lowest bytes). -@return checkpoint no (4 lowest bytes) */ -UNIV_INLINE -ulint -log_block_get_checkpoint_no( -/*========================*/ - const byte* log_block) /*!< in: log block */ -{ - return(mach_read_from_4(log_block + LOG_BLOCK_CHECKPOINT_NO)); -} - -/************************************************************//** -Sets a log block checkpoint number field (4 lowest bytes). */ -UNIV_INLINE -void -log_block_set_checkpoint_no( -/*========================*/ - byte* log_block, /*!< in/out: log block */ - ib_uint64_t no) /*!< in: checkpoint no */ -{ - mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no); -} - -/************************************************************//** -Converts a lsn to a log block number. -@return log block number, it is > 0 and <= 1G */ -UNIV_INLINE -ulint -log_block_convert_lsn_to_no( -/*========================*/ - ib_uint64_t lsn) /*!< in: lsn of a byte within the block */ -{ - return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1); -} - -/************************************************************//** -Calculates the checksum for a log block. -@return checksum */ -UNIV_INLINE -ulint -log_block_calc_checksum( -/*====================*/ - const byte* block) /*!< in: log block */ -{ - ulint sum; - ulint sh; - ulint i; - - sum = 1; - sh = 0; - - for (i = 0; i < OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; i++) { - ulint b = (ulint) block[i]; - sum &= 0x7FFFFFFFUL; - sum += b; - sum += b << sh; - sh++; - if (sh > 24) { - sh = 0; - } - } - - return(sum); -} - -/************************************************************//** -Gets a log block checksum field value. -@return checksum */ -UNIV_INLINE -ulint -log_block_get_checksum( -/*===================*/ - const byte* log_block) /*!< in: log block */ -{ - return(mach_read_from_4(log_block + OS_FILE_LOG_BLOCK_SIZE - - LOG_BLOCK_CHECKSUM)); -} - -/************************************************************//** -Sets a log block checksum field value. */ -UNIV_INLINE -void -log_block_set_checksum( -/*===================*/ - byte* log_block, /*!< in/out: log block */ - ulint checksum) /*!< in: checksum */ -{ - mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE - - LOG_BLOCK_CHECKSUM, - checksum); -} - -/************************************************************//** -Initializes a log block in the log buffer. */ -UNIV_INLINE -void -log_block_init( -/*===========*/ - byte* log_block, /*!< in: pointer to the log buffer */ - ib_uint64_t lsn) /*!< in: lsn within the log block */ -{ - ulint no; - - ut_ad(mutex_own(&(log_sys->mutex))); - - no = log_block_convert_lsn_to_no(lsn); - - log_block_set_hdr_no(log_block, no); - - log_block_set_data_len(log_block, LOG_BLOCK_HDR_SIZE); - log_block_set_first_rec_group(log_block, 0); -} - -/************************************************************//** -Initializes a log block in the log buffer in the old format, where there -was no checksum yet. */ -UNIV_INLINE -void -log_block_init_in_old_format( -/*=========================*/ - byte* log_block, /*!< in: pointer to the log buffer */ - ib_uint64_t lsn) /*!< in: lsn within the log block */ -{ - ulint no; - - ut_ad(mutex_own(&(log_sys->mutex))); - - no = log_block_convert_lsn_to_no(lsn); - - log_block_set_hdr_no(log_block, no); - mach_write_to_4(log_block + OS_FILE_LOG_BLOCK_SIZE - - LOG_BLOCK_CHECKSUM, no); - log_block_set_data_len(log_block, LOG_BLOCK_HDR_SIZE); - log_block_set_first_rec_group(log_block, 0); -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Writes to the log the string given. The log must be released with -log_release. -@return end lsn of the log record, zero if did not succeed */ -UNIV_INLINE -ib_uint64_t -log_reserve_and_write_fast( -/*=======================*/ - const void* str, /*!< in: string */ - ulint len, /*!< in: string length */ - ib_uint64_t* start_lsn)/*!< out: start lsn of the log record */ -{ - ulint data_len; -#ifdef UNIV_LOG_LSN_DEBUG - /* length of the LSN pseudo-record */ - ulint lsn_len; -#endif /* UNIV_LOG_LSN_DEBUG */ - - mutex_enter(&log_sys->mutex); -#ifdef UNIV_LOG_LSN_DEBUG - lsn_len = 1 - + mach_get_compressed_size(log_sys->lsn >> 32) - + mach_get_compressed_size(log_sys->lsn & 0xFFFFFFFFUL); -#endif /* UNIV_LOG_LSN_DEBUG */ - - data_len = len -#ifdef UNIV_LOG_LSN_DEBUG - + lsn_len -#endif /* UNIV_LOG_LSN_DEBUG */ - + log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE; - - if (data_len >= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { - - /* The string does not fit within the current log block - or the log block would become full */ - - mutex_exit(&log_sys->mutex); - - return(0); - } - - *start_lsn = log_sys->lsn; - -#ifdef UNIV_LOG_LSN_DEBUG - { - /* Write the LSN pseudo-record. */ - byte* b = &log_sys->buf[log_sys->buf_free]; - *b++ = MLOG_LSN | (MLOG_SINGLE_REC_FLAG & *(const byte*) str); - /* Write the LSN in two parts, - as a pseudo page number and space id. */ - b += mach_write_compressed(b, log_sys->lsn >> 32); - b += mach_write_compressed(b, log_sys->lsn & 0xFFFFFFFFUL); - ut_a(b - lsn_len == &log_sys->buf[log_sys->buf_free]); - - memcpy(b, str, len); - len += lsn_len; - } -#else /* UNIV_LOG_LSN_DEBUG */ - memcpy(log_sys->buf + log_sys->buf_free, str, len); -#endif /* UNIV_LOG_LSN_DEBUG */ - - log_block_set_data_len((byte*) ut_align_down(log_sys->buf - + log_sys->buf_free, - OS_FILE_LOG_BLOCK_SIZE), - data_len); -#ifdef UNIV_LOG_DEBUG - log_sys->old_buf_free = log_sys->buf_free; - log_sys->old_lsn = log_sys->lsn; -#endif - log_sys->buf_free += len; - - ut_ad(log_sys->buf_free <= log_sys->buf_size); - - log_sys->lsn += len; - -#ifdef UNIV_LOG_DEBUG - log_check_log_recs(log_sys->buf + log_sys->old_buf_free, - log_sys->buf_free - log_sys->old_buf_free, - log_sys->old_lsn); -#endif - return(log_sys->lsn); -} - -/***********************************************************************//** -Releases the log mutex. */ -UNIV_INLINE -void -log_release(void) -/*=============*/ -{ - mutex_exit(&(log_sys->mutex)); -} - -/************************************************************//** -Gets the current lsn. -@return current lsn */ -UNIV_INLINE -ib_uint64_t -log_get_lsn(void) -/*=============*/ -{ - ib_uint64_t lsn; - - mutex_enter(&(log_sys->mutex)); - - lsn = log_sys->lsn; - - mutex_exit(&(log_sys->mutex)); - - return(lsn); -} - -/**************************************************************** -Gets the log group capacity. It is OK to read the value without -holding log_sys->mutex because it is constant. -@return log group capacity */ -UNIV_INLINE -ulint -log_get_capacity(void) -/*==================*/ -{ - return(log_sys->log_group_capacity); -} - -/***********************************************************************//** -Checks if there is need for a log buffer flush or a new checkpoint, and does -this if yes. Any database operation should call this when it has modified -more than about 4 pages. NOTE that this function may only be called when the -OS thread owns no synchronization objects except the dictionary mutex. */ -UNIV_INLINE -void -log_free_check(void) -/*================*/ -{ - /* ut_ad(sync_thread_levels_empty()); */ - - if (log_sys->check_flush_or_checkpoint) { - - log_check_margins(); - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/log0recv.h b/perfschema/include/log0recv.h deleted file mode 100644 index 3209799e140..00000000000 --- a/perfschema/include/log0recv.h +++ /dev/null @@ -1,497 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/log0recv.h -Recovery - -Created 9/20/1997 Heikki Tuuri -*******************************************************/ - -#ifndef log0recv_h -#define log0recv_h - -#include "univ.i" -#include "ut0byte.h" -#include "buf0types.h" -#include "hash0hash.h" -#include "log0log.h" - -#ifdef UNIV_HOTBACKUP -extern ibool recv_replay_file_ops; - -/*******************************************************************//** -Reads the checkpoint info needed in hot backup. -@return TRUE if success */ -UNIV_INTERN -ibool -recv_read_cp_info_for_backup( -/*=========================*/ - const byte* hdr, /*!< in: buffer containing the log group - header */ - ib_uint64_t* lsn, /*!< out: checkpoint lsn */ - ulint* offset, /*!< out: checkpoint offset in the log group */ - ulint* fsp_limit,/*!< out: fsp limit of space 0, - 1000000000 if the database is running - with < version 3.23.50 of InnoDB */ - ib_uint64_t* cp_no, /*!< out: checkpoint number */ - ib_uint64_t* first_header_lsn); - /*!< out: lsn of of the start of the - first log file */ -/*******************************************************************//** -Scans the log segment and n_bytes_scanned is set to the length of valid -log scanned. */ -UNIV_INTERN -void -recv_scan_log_seg_for_backup( -/*=========================*/ - byte* buf, /*!< in: buffer containing log data */ - ulint buf_len, /*!< in: data length in that buffer */ - ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, - we return scanned lsn */ - ulint* scanned_checkpoint_no, - /*!< in/out: 4 lowest bytes of the - highest scanned checkpoint number so - far */ - ulint* n_bytes_scanned);/*!< out: how much we were able to - scan, smaller than buf_len if log - data ended here */ -#endif /* UNIV_HOTBACKUP */ -/*******************************************************************//** -Returns TRUE if recovery is currently running. -@return recv_recovery_on */ -UNIV_INLINE -ibool -recv_recovery_is_on(void); -/*=====================*/ -#ifdef UNIV_LOG_ARCHIVE -/*******************************************************************//** -Returns TRUE if recovery from backup is currently running. -@return recv_recovery_from_backup_on */ -UNIV_INLINE -ibool -recv_recovery_from_backup_is_on(void); -/*=================================*/ -#endif /* UNIV_LOG_ARCHIVE */ -/************************************************************************//** -Applies the hashed log records to the page, if the page lsn is less than the -lsn of a log record. This can be called when a buffer page has just been -read in, or also for a page already in the buffer pool. */ -UNIV_INTERN -void -recv_recover_page_func( -/*===================*/ -#ifndef UNIV_HOTBACKUP - ibool just_read_in, - /*!< in: TRUE if the i/o handler calls - this for a freshly read page */ -#endif /* !UNIV_HOTBACKUP */ - buf_block_t* block); /*!< in/out: buffer block */ -#ifndef UNIV_HOTBACKUP -/** Wrapper for recv_recover_page_func(). -Applies the hashed log records to the page, if the page lsn is less than the -lsn of a log record. This can be called when a buffer page has just been -read in, or also for a page already in the buffer pool. -@param jri in: TRUE if just read in (the i/o handler calls this for -a freshly read page) -@param block in/out: the buffer block -*/ -# define recv_recover_page(jri, block) recv_recover_page_func(jri, block) -#else /* !UNIV_HOTBACKUP */ -/** Wrapper for recv_recover_page_func(). -Applies the hashed log records to the page, if the page lsn is less than the -lsn of a log record. This can be called when a buffer page has just been -read in, or also for a page already in the buffer pool. -@param jri in: TRUE if just read in (the i/o handler calls this for -a freshly read page) -@param block in/out: the buffer block -*/ -# define recv_recover_page(jri, block) recv_recover_page_func(block) -#endif /* !UNIV_HOTBACKUP */ -/********************************************************//** -Recovers from a checkpoint. When this function returns, the database is able -to start processing of new user transactions, but the function -recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -recv_recovery_from_checkpoint_start_func( -/*=====================================*/ -#ifdef UNIV_LOG_ARCHIVE - ulint type, /*!< in: LOG_CHECKPOINT or - LOG_ARCHIVE */ - ib_uint64_t limit_lsn, /*!< in: recover up to this lsn - if possible */ -#endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from - data files */ - ib_uint64_t max_flushed_lsn);/*!< in: max flushed lsn from - data files */ -#ifdef UNIV_LOG_ARCHIVE -/** Wrapper for recv_recovery_from_checkpoint_start_func(). -Recovers from a checkpoint. When this function returns, the database is able -to start processing of new user transactions, but the function -recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. -@param type in: LOG_CHECKPOINT or LOG_ARCHIVE -@param lim in: recover up to this log sequence number if possible -@param min in: minimum flushed log sequence number from data files -@param max in: maximum flushed log sequence number from data files -@return error code or DB_SUCCESS */ -# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ - recv_recovery_from_checkpoint_start_func(type,lim,min,max) -#else /* UNIV_LOG_ARCHIVE */ -/** Wrapper for recv_recovery_from_checkpoint_start_func(). -Recovers from a checkpoint. When this function returns, the database is able -to start processing of new user transactions, but the function -recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. -@param type ignored: LOG_CHECKPOINT or LOG_ARCHIVE -@param lim ignored: recover up to this log sequence number if possible -@param min in: minimum flushed log sequence number from data files -@param max in: maximum flushed log sequence number from data files -@return error code or DB_SUCCESS */ -# define recv_recovery_from_checkpoint_start(type,lim,min,max) \ - recv_recovery_from_checkpoint_start_func(min,max) -#endif /* UNIV_LOG_ARCHIVE */ -/********************************************************//** -Completes recovery from a checkpoint. */ -UNIV_INTERN -void -recv_recovery_from_checkpoint_finish(void); -/*======================================*/ -/********************************************************//** -Initiates the rollback of active transactions. */ -UNIV_INTERN -void -recv_recovery_rollback_active(void); -/*===============================*/ -/*******************************************************//** -Scans log from a buffer and stores new log data to the parsing buffer. -Parses and hashes the log records if new data found. Unless -UNIV_HOTBACKUP is defined, this function will apply log records -automatically when the hash table becomes full. -@return TRUE if limit_lsn has been reached, or not able to scan any -more in this log group */ -UNIV_INTERN -ibool -recv_scan_log_recs( -/*===============*/ - ulint available_memory,/*!< in: we let the hash table of recs - to grow to this size, at the maximum */ - ibool store_to_hash, /*!< in: TRUE if the records should be - stored to the hash table; this is set - to FALSE if just debug checking is - needed */ - const byte* buf, /*!< in: buffer containing a log - segment or garbage */ - ulint len, /*!< in: buffer length */ - ib_uint64_t start_lsn, /*!< in: buffer start lsn */ - ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log - groups contain contiguous log data up - to this lsn */ - ib_uint64_t* group_scanned_lsn);/*!< out: scanning succeeded up to - this lsn */ -/******************************************************//** -Resets the logs. The contents of log files will be lost! */ -UNIV_INTERN -void -recv_reset_logs( -/*============*/ - ib_uint64_t lsn, /*!< in: reset to this lsn - rounded up to be divisible by - OS_FILE_LOG_BLOCK_SIZE, after - which we add - LOG_BLOCK_HDR_SIZE */ -#ifdef UNIV_LOG_ARCHIVE - ulint arch_log_no, /*!< in: next archived log file number */ -#endif /* UNIV_LOG_ARCHIVE */ - ibool new_logs_created);/*!< in: TRUE if resetting logs - is done at the log creation; - FALSE if it is done after - archive recovery */ -#ifdef UNIV_HOTBACKUP -/******************************************************//** -Creates new log files after a backup has been restored. */ -UNIV_INTERN -void -recv_reset_log_files_for_backup( -/*============================*/ - const char* log_dir, /*!< in: log file directory path */ - ulint n_log_files, /*!< in: number of log files */ - ulint log_file_size, /*!< in: log file size */ - ib_uint64_t lsn); /*!< in: new start lsn, must be - divisible by OS_FILE_LOG_BLOCK_SIZE */ -#endif /* UNIV_HOTBACKUP */ -/********************************************************//** -Creates the recovery system. */ -UNIV_INTERN -void -recv_sys_create(void); -/*=================*/ -/**********************************************************//** -Release recovery system mutexes. */ -UNIV_INTERN -void -recv_sys_close(void); -/*================*/ -/********************************************************//** -Frees the recovery system memory. */ -UNIV_INTERN -void -recv_sys_mem_free(void); -/*===================*/ -/********************************************************//** -Inits the recovery system for a recovery operation. */ -UNIV_INTERN -void -recv_sys_init( -/*==========*/ - ulint available_memory); /*!< in: available memory in bytes */ -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Reset the state of the recovery system variables. */ -UNIV_INTERN -void -recv_sys_var_init(void); -/*===================*/ -#endif /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Empties the hash table of stored log records, applying them to appropriate -pages. */ -UNIV_INTERN -void -recv_apply_hashed_log_recs( -/*=======================*/ - ibool allow_ibuf); /*!< in: if TRUE, also ibuf operations are - allowed during the application; if FALSE, - no ibuf operations are allowed, and after - the application all file pages are flushed to - disk and invalidated in buffer pool: this - alternative means that no new log records - can be generated during the application */ -#ifdef UNIV_HOTBACKUP -/*******************************************************************//** -Applies log records in the hash table to a backup. */ -UNIV_INTERN -void -recv_apply_log_recs_for_backup(void); -/*================================*/ -#endif -#ifdef UNIV_LOG_ARCHIVE -/********************************************************//** -Recovers from archived log files, and also from log files, if they exist. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -recv_recovery_from_archive_start( -/*=============================*/ - ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the - data files */ - ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if - possible */ - ulint first_log_no); /*!< in: number of the first archived - log file to use in the recovery; the - file will be searched from - INNOBASE_LOG_ARCH_DIR specified in - server config file */ -/********************************************************//** -Completes recovery from archive. */ -UNIV_INTERN -void -recv_recovery_from_archive_finish(void); -/*===================================*/ -#endif /* UNIV_LOG_ARCHIVE */ - -/** Block of log record data */ -typedef struct recv_data_struct recv_data_t; -/** Block of log record data */ -struct recv_data_struct{ - recv_data_t* next; /*!< pointer to the next block or NULL */ - /*!< the log record data is stored physically - immediately after this struct, max amount - RECV_DATA_BLOCK_SIZE bytes of it */ -}; - -/** Stored log record struct */ -typedef struct recv_struct recv_t; -/** Stored log record struct */ -struct recv_struct{ - byte type; /*!< log record type */ - ulint len; /*!< log record body length in bytes */ - recv_data_t* data; /*!< chain of blocks containing the log record - body */ - ib_uint64_t start_lsn;/*!< start lsn of the log segment written by - the mtr which generated this log record: NOTE - that this is not necessarily the start lsn of - this log record */ - ib_uint64_t end_lsn;/*!< end lsn of the log segment written by - the mtr which generated this log record: NOTE - that this is not necessarily the end lsn of - this log record */ - UT_LIST_NODE_T(recv_t) - rec_list;/*!< list of log records for this page */ -}; - -/** States of recv_addr_struct */ -enum recv_addr_state { - /** not yet processed */ - RECV_NOT_PROCESSED, - /** page is being read */ - RECV_BEING_READ, - /** log records are being applied on the page */ - RECV_BEING_PROCESSED, - /** log records have been applied on the page, or they have - been discarded because the tablespace does not exist */ - RECV_PROCESSED -}; - -/** Hashed page file address struct */ -typedef struct recv_addr_struct recv_addr_t; -/** Hashed page file address struct */ -struct recv_addr_struct{ - enum recv_addr_state state; - /*!< recovery state of the page */ - ulint space; /*!< space id */ - ulint page_no;/*!< page number */ - UT_LIST_BASE_NODE_T(recv_t) - rec_list;/*!< list of log records for this page */ - hash_node_t addr_hash;/*!< hash node in the hash bucket chain */ -}; - -/** Recovery system data structure */ -typedef struct recv_sys_struct recv_sys_t; -/** Recovery system data structure */ -struct recv_sys_struct{ -#ifndef UNIV_HOTBACKUP - mutex_t mutex; /*!< mutex protecting the fields apply_log_recs, - n_addrs, and the state field in each recv_addr - struct */ -#endif /* !UNIV_HOTBACKUP */ - ibool apply_log_recs; - /*!< this is TRUE when log rec application to - pages is allowed; this flag tells the - i/o-handler if it should do log record - application */ - ibool apply_batch_on; - /*!< this is TRUE when a log rec application - batch is running */ - ib_uint64_t lsn; /*!< log sequence number */ - ulint last_log_buf_size; - /*!< size of the log buffer when the database - last time wrote to the log */ - byte* last_block; - /*!< possible incomplete last recovered log - block */ - byte* last_block_buf_start; - /*!< the nonaligned start address of the - preceding buffer */ - byte* buf; /*!< buffer for parsing log records */ - ulint len; /*!< amount of data in buf */ - ib_uint64_t parse_start_lsn; - /*!< this is the lsn from which we were able to - start parsing log records and adding them to - the hash table; zero if a suitable - start point not found yet */ - ib_uint64_t scanned_lsn; - /*!< the log data has been scanned up to this - lsn */ - ulint scanned_checkpoint_no; - /*!< the log data has been scanned up to this - checkpoint number (lowest 4 bytes) */ - ulint recovered_offset; - /*!< start offset of non-parsed log records in - buf */ - ib_uint64_t recovered_lsn; - /*!< the log records have been parsed up to - this lsn */ - ib_uint64_t limit_lsn;/*!< recovery should be made at most - up to this lsn */ - ibool found_corrupt_log; - /*!< this is set to TRUE if we during log - scan find a corrupt log block, or a corrupt - log record, or there is a log parsing - buffer overflow */ -#ifdef UNIV_LOG_ARCHIVE - log_group_t* archive_group; - /*!< in archive recovery: the log group whose - archive is read */ -#endif /* !UNIV_LOG_ARCHIVE */ - mem_heap_t* heap; /*!< memory heap of log records and file - addresses*/ - hash_table_t* addr_hash;/*!< hash table of file addresses of pages */ - ulint n_addrs;/*!< number of not processed hashed file - addresses in the hash table */ -}; - -/** The recovery system */ -extern recv_sys_t* recv_sys; - -/** TRUE when applying redo log records during crash recovery; FALSE -otherwise. Note that this is FALSE while a background thread is -rolling back incomplete transactions. */ -extern ibool recv_recovery_on; -/** If the following is TRUE, the buffer pool file pages must be invalidated -after recovery and no ibuf operations are allowed; this becomes TRUE if -the log record hash table becomes too full, and log records must be merged -to file pages already before the recovery is finished: in this case no -ibuf operations are allowed, as they could modify the pages read in the -buffer pool before the pages have been recovered to the up-to-date state. - -TRUE means that recovery is running and no operations on the log files -are allowed yet: the variable name is misleading. */ -extern ibool recv_no_ibuf_operations; -/** TRUE when recv_init_crash_recovery() has been called. */ -extern ibool recv_needed_recovery; -#ifdef UNIV_DEBUG -/** TRUE if writing to the redo log (mtr_commit) is forbidden. -Protected by log_sys->mutex. */ -extern ibool recv_no_log_write; -#endif /* UNIV_DEBUG */ - -/** TRUE if buf_page_is_corrupted() should check if the log sequence -number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by -recv_recovery_from_checkpoint_start_func(). */ -extern ibool recv_lsn_checks_on; -#ifdef UNIV_HOTBACKUP -/** TRUE when the redo log is being backed up */ -extern ibool recv_is_making_a_backup; -#endif /* UNIV_HOTBACKUP */ -/** Maximum page number encountered in the redo log */ -extern ulint recv_max_parsed_page_no; - -/** Size of the parsing buffer; it must accommodate RECV_SCAN_SIZE many -times! */ -#define RECV_PARSING_BUF_SIZE (2 * 1024 * 1024) - -/** Size of block reads when the log groups are scanned forward to do a -roll-forward */ -#define RECV_SCAN_SIZE (4 * UNIV_PAGE_SIZE) - -/** This many frames must be left free in the buffer pool when we scan -the log and store the scanned log records in the buffer pool: we will -use these free frames to read in pages when we start applying the -log records to the database. */ -extern ulint recv_n_pool_free_frames; - -#ifndef UNIV_NONINL -#include "log0recv.ic" -#endif - -#endif diff --git a/perfschema/include/log0recv.ic b/perfschema/include/log0recv.ic deleted file mode 100644 index 0a8e55b96fa..00000000000 --- a/perfschema/include/log0recv.ic +++ /dev/null @@ -1,53 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/log0recv.ic -Recovery - -Created 9/20/1997 Heikki Tuuri -*******************************************************/ - -#include "univ.i" - -/*******************************************************************//** -Returns TRUE if recovery is currently running. -@return recv_recovery_on */ -UNIV_INLINE -ibool -recv_recovery_is_on(void) -/*=====================*/ -{ - return(UNIV_UNLIKELY(recv_recovery_on)); -} - -#ifdef UNIV_LOG_ARCHIVE -/** TRUE when applying redo log records from an archived log file */ -extern ibool recv_recovery_from_backup_on; - -/*******************************************************************//** -Returns TRUE if recovery from backup is currently running. -@return recv_recovery_from_backup_on */ -UNIV_INLINE -ibool -recv_recovery_from_backup_is_on(void) -/*=================================*/ -{ - return(recv_recovery_from_backup_on); -} -#endif /* UNIV_LOG_ARCHIVE */ diff --git a/perfschema/include/mach0data.h b/perfschema/include/mach0data.h deleted file mode 100644 index 44ee3df22ce..00000000000 --- a/perfschema/include/mach0data.h +++ /dev/null @@ -1,400 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/mach0data.h -Utilities for converting data from the database file -to the machine format. - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#ifndef mach0data_h -#define mach0data_h - -#include "univ.i" -#include "ut0byte.h" - -/* The data and all fields are always stored in a database file -in the same format: ascii, big-endian, ... . -All data in the files MUST be accessed using the functions in this -module. */ - -/*******************************************************//** -The following function is used to store data in one byte. */ -UNIV_INLINE -void -mach_write_to_1( -/*============*/ - byte* b, /*!< in: pointer to byte where to store */ - ulint n); /*!< in: ulint integer to be stored, >= 0, < 256 */ -/********************************************************//** -The following function is used to fetch data from one byte. -@return ulint integer, >= 0, < 256 */ -UNIV_INLINE -ulint -mach_read_from_1( -/*=============*/ - const byte* b) /*!< in: pointer to byte */ - __attribute__((nonnull, pure)); -/*******************************************************//** -The following function is used to store data in two consecutive -bytes. We store the most significant byte to the lower address. */ -UNIV_INLINE -void -mach_write_to_2( -/*============*/ - byte* b, /*!< in: pointer to two bytes where to store */ - ulint n); /*!< in: ulint integer to be stored, >= 0, < 64k */ -/********************************************************//** -The following function is used to fetch data from two consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer, >= 0, < 64k */ -UNIV_INLINE -ulint -mach_read_from_2( -/*=============*/ - const byte* b) /*!< in: pointer to two bytes */ - __attribute__((nonnull, pure)); - -/********************************************************//** -The following function is used to convert a 16-bit data item -to the canonical format, for fast bytewise equality test -against memory. -@return 16-bit integer in canonical format */ -UNIV_INLINE -uint16 -mach_encode_2( -/*==========*/ - ulint n) /*!< in: integer in machine-dependent format */ - __attribute__((const)); -/********************************************************//** -The following function is used to convert a 16-bit data item -from the canonical format, for fast bytewise equality test -against memory. -@return integer in machine-dependent format */ -UNIV_INLINE -ulint -mach_decode_2( -/*==========*/ - uint16 n) /*!< in: 16-bit integer in canonical format */ - __attribute__((const)); -/*******************************************************//** -The following function is used to store data in 3 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_3( -/*============*/ - byte* b, /*!< in: pointer to 3 bytes where to store */ - ulint n); /*!< in: ulint integer to be stored */ -/********************************************************//** -The following function is used to fetch data from 3 consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer */ -UNIV_INLINE -ulint -mach_read_from_3( -/*=============*/ - const byte* b) /*!< in: pointer to 3 bytes */ - __attribute__((nonnull, pure)); -/*******************************************************//** -The following function is used to store data in four consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_4( -/*============*/ - byte* b, /*!< in: pointer to four bytes where to store */ - ulint n); /*!< in: ulint integer to be stored */ -/********************************************************//** -The following function is used to fetch data from 4 consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer */ -UNIV_INLINE -ulint -mach_read_from_4( -/*=============*/ - const byte* b) /*!< in: pointer to four bytes */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a ulint in a compressed form (1..5 bytes). -@return stored size in bytes */ -UNIV_INLINE -ulint -mach_write_compressed( -/*==================*/ - byte* b, /*!< in: pointer to memory where to store */ - ulint n); /*!< in: ulint integer to be stored */ -/*********************************************************//** -Returns the size of an ulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_get_compressed_size( -/*=====================*/ - ulint n) /*!< in: ulint integer to be stored */ - __attribute__((const)); -/*********************************************************//** -Reads a ulint in a compressed form. -@return read integer */ -UNIV_INLINE -ulint -mach_read_compressed( -/*=================*/ - const byte* b) /*!< in: pointer to memory from where to read */ - __attribute__((nonnull, pure)); -/*******************************************************//** -The following function is used to store data in 6 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_6( -/*============*/ - byte* b, /*!< in: pointer to 6 bytes where to store */ - dulint n); /*!< in: dulint integer to be stored */ -/********************************************************//** -The following function is used to fetch data from 6 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_6( -/*=============*/ - const byte* b) /*!< in: pointer to 6 bytes */ - __attribute__((nonnull, pure)); -/*******************************************************//** -The following function is used to store data in 7 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_7( -/*============*/ - byte* b, /*!< in: pointer to 7 bytes where to store */ - dulint n); /*!< in: dulint integer to be stored */ -/********************************************************//** -The following function is used to fetch data from 7 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_7( -/*=============*/ - const byte* b) /*!< in: pointer to 7 bytes */ - __attribute__((nonnull, pure)); -/*******************************************************//** -The following function is used to store data in 8 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_8( -/*============*/ - byte* b, /*!< in: pointer to 8 bytes where to store */ - dulint n); /*!< in: dulint integer to be stored */ -/*******************************************************//** -The following function is used to store data in 8 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_ull( -/*===========*/ - byte* b, /*!< in: pointer to 8 bytes where to store */ - ib_uint64_t n); /*!< in: 64-bit integer to be stored */ -/********************************************************//** -The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_8( -/*=============*/ - const byte* b) /*!< in: pointer to 8 bytes */ - __attribute__((nonnull, pure)); -/********************************************************//** -The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. -@return 64-bit integer */ -UNIV_INLINE -ib_uint64_t -mach_read_ull( -/*==========*/ - const byte* b) /*!< in: pointer to 8 bytes */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a dulint in a compressed form (5..9 bytes). -@return size in bytes */ -UNIV_INLINE -ulint -mach_dulint_write_compressed( -/*=========================*/ - byte* b, /*!< in: pointer to memory where to store */ - dulint n); /*!< in: dulint integer to be stored */ -/*********************************************************//** -Returns the size of a dulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_dulint_get_compressed_size( -/*============================*/ - dulint n); /*!< in: dulint integer to be stored */ -/*********************************************************//** -Reads a dulint in a compressed form. -@return read dulint */ -UNIV_INLINE -dulint -mach_dulint_read_compressed( -/*========================*/ - const byte* b) /*!< in: pointer to memory from where to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a dulint in a compressed form (1..11 bytes). -@return size in bytes */ -UNIV_INLINE -ulint -mach_dulint_write_much_compressed( -/*==============================*/ - byte* b, /*!< in: pointer to memory where to store */ - dulint n); /*!< in: dulint integer to be stored */ -/*********************************************************//** -Returns the size of a dulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_dulint_get_much_compressed_size( -/*=================================*/ - dulint n) /*!< in: dulint integer to be stored */ - __attribute__((const)); -/*********************************************************//** -Reads a dulint in a compressed form. -@return read dulint */ -UNIV_INLINE -dulint -mach_dulint_read_much_compressed( -/*=============================*/ - const byte* b) /*!< in: pointer to memory from where to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Reads a ulint in a compressed form if the log record fully contains it. -@return pointer to end of the stored field, NULL if not complete */ -UNIV_INTERN -byte* -mach_parse_compressed( -/*==================*/ - byte* ptr, /*!< in: pointer to buffer from where to read */ - byte* end_ptr,/*!< in: pointer to end of the buffer */ - ulint* val); /*!< out: read value */ -/*********************************************************//** -Reads a dulint in a compressed form if the log record fully contains it. -@return pointer to end of the stored field, NULL if not complete */ -UNIV_INTERN -byte* -mach_dulint_parse_compressed( -/*=========================*/ - byte* ptr, /*!< in: pointer to buffer from where to read */ - byte* end_ptr,/*!< in: pointer to end of the buffer */ - dulint* val); /*!< out: read value */ -#ifndef UNIV_HOTBACKUP -/*********************************************************//** -Reads a double. It is stored in a little-endian format. -@return double read */ -UNIV_INLINE -double -mach_double_read( -/*=============*/ - const byte* b) /*!< in: pointer to memory from where to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a double. It is stored in a little-endian format. */ -UNIV_INLINE -void -mach_double_write( -/*==============*/ - byte* b, /*!< in: pointer to memory where to write */ - double d); /*!< in: double */ -/*********************************************************//** -Reads a float. It is stored in a little-endian format. -@return float read */ -UNIV_INLINE -float -mach_float_read( -/*============*/ - const byte* b) /*!< in: pointer to memory from where to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a float. It is stored in a little-endian format. */ -UNIV_INLINE -void -mach_float_write( -/*=============*/ - byte* b, /*!< in: pointer to memory where to write */ - float d); /*!< in: float */ -/*********************************************************//** -Reads a ulint stored in the little-endian format. -@return unsigned long int */ -UNIV_INLINE -ulint -mach_read_from_n_little_endian( -/*===========================*/ - const byte* buf, /*!< in: from where to read */ - ulint buf_size) /*!< in: from how many bytes to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a ulint in the little-endian format. */ -UNIV_INLINE -void -mach_write_to_n_little_endian( -/*==========================*/ - byte* dest, /*!< in: where to write */ - ulint dest_size, /*!< in: into how many bytes to write */ - ulint n); /*!< in: unsigned long int to write */ -/*********************************************************//** -Reads a ulint stored in the little-endian format. -@return unsigned long int */ -UNIV_INLINE -ulint -mach_read_from_2_little_endian( -/*===========================*/ - const byte* buf) /*!< in: from where to read */ - __attribute__((nonnull, pure)); -/*********************************************************//** -Writes a ulint in the little-endian format. */ -UNIV_INLINE -void -mach_write_to_2_little_endian( -/*==========================*/ - byte* dest, /*!< in: where to write */ - ulint n); /*!< in: unsigned long int to write */ - -/*********************************************************//** -Convert integral type from storage byte order (big endian) to -host byte order. -@return integer value */ -UNIV_INLINE -ullint -mach_read_int_type( -/*===============*/ - const byte* src, /*!< in: where to read from */ - ulint len, /*!< in: length of src */ - ibool unsigned_type); /*!< in: signed or unsigned flag */ -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "mach0data.ic" -#endif - -#endif diff --git a/perfschema/include/mach0data.ic b/perfschema/include/mach0data.ic deleted file mode 100644 index ef20356bd31..00000000000 --- a/perfschema/include/mach0data.ic +++ /dev/null @@ -1,786 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/mach0data.ic -Utilities for converting data from the database file -to the machine format. - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#include "ut0mem.h" - -/*******************************************************//** -The following function is used to store data in one byte. */ -UNIV_INLINE -void -mach_write_to_1( -/*============*/ - byte* b, /*!< in: pointer to byte where to store */ - ulint n) /*!< in: ulint integer to be stored, >= 0, < 256 */ -{ - ut_ad(b); - ut_ad(n <= 0xFFUL); - - b[0] = (byte)n; -} - -/********************************************************//** -The following function is used to fetch data from one byte. -@return ulint integer, >= 0, < 256 */ -UNIV_INLINE -ulint -mach_read_from_1( -/*=============*/ - const byte* b) /*!< in: pointer to byte */ -{ - ut_ad(b); - return((ulint)(b[0])); -} - -/*******************************************************//** -The following function is used to store data in two consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_2( -/*============*/ - byte* b, /*!< in: pointer to two bytes where to store */ - ulint n) /*!< in: ulint integer to be stored */ -{ - ut_ad(b); - ut_ad(n <= 0xFFFFUL); - - b[0] = (byte)(n >> 8); - b[1] = (byte)(n); -} - -/********************************************************//** -The following function is used to fetch data from 2 consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer */ -UNIV_INLINE -ulint -mach_read_from_2( -/*=============*/ - const byte* b) /*!< in: pointer to 2 bytes */ -{ - ut_ad(b); - return( ((ulint)(b[0]) << 8) - + (ulint)(b[1]) - ); -} - -/********************************************************//** -The following function is used to convert a 16-bit data item -to the canonical format, for fast bytewise equality test -against memory. -@return 16-bit integer in canonical format */ -UNIV_INLINE -uint16 -mach_encode_2( -/*==========*/ - ulint n) /*!< in: integer in machine-dependent format */ -{ - uint16 ret; - ut_ad(2 == sizeof ret); - mach_write_to_2((byte*) &ret, n); - return(ret); -} -/********************************************************//** -The following function is used to convert a 16-bit data item -from the canonical format, for fast bytewise equality test -against memory. -@return integer in machine-dependent format */ -UNIV_INLINE -ulint -mach_decode_2( -/*==========*/ - uint16 n) /*!< in: 16-bit integer in canonical format */ -{ - ut_ad(2 == sizeof n); - return(mach_read_from_2((const byte*) &n)); -} - -/*******************************************************//** -The following function is used to store data in 3 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_3( -/*============*/ - byte* b, /*!< in: pointer to 3 bytes where to store */ - ulint n) /*!< in: ulint integer to be stored */ -{ - ut_ad(b); - ut_ad(n <= 0xFFFFFFUL); - - b[0] = (byte)(n >> 16); - b[1] = (byte)(n >> 8); - b[2] = (byte)(n); -} - -/********************************************************//** -The following function is used to fetch data from 3 consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer */ -UNIV_INLINE -ulint -mach_read_from_3( -/*=============*/ - const byte* b) /*!< in: pointer to 3 bytes */ -{ - ut_ad(b); - return( ((ulint)(b[0]) << 16) - + ((ulint)(b[1]) << 8) - + (ulint)(b[2]) - ); -} - -/*******************************************************//** -The following function is used to store data in four consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_4( -/*============*/ - byte* b, /*!< in: pointer to four bytes where to store */ - ulint n) /*!< in: ulint integer to be stored */ -{ - ut_ad(b); - - b[0] = (byte)(n >> 24); - b[1] = (byte)(n >> 16); - b[2] = (byte)(n >> 8); - b[3] = (byte)n; -} - -/********************************************************//** -The following function is used to fetch data from 4 consecutive -bytes. The most significant byte is at the lowest address. -@return ulint integer */ -UNIV_INLINE -ulint -mach_read_from_4( -/*=============*/ - const byte* b) /*!< in: pointer to four bytes */ -{ - ut_ad(b); - return( ((ulint)(b[0]) << 24) - + ((ulint)(b[1]) << 16) - + ((ulint)(b[2]) << 8) - + (ulint)(b[3]) - ); -} - -/*********************************************************//** -Writes a ulint in a compressed form where the first byte codes the -length of the stored ulint. We look at the most significant bits of -the byte. If the most significant bit is zero, it means 1-byte storage, -else if the 2nd bit is 0, it means 2-byte storage, else if 3rd is 0, -it means 3-byte storage, else if 4th is 0, it means 4-byte storage, -else the storage is 5-byte. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_write_compressed( -/*==================*/ - byte* b, /*!< in: pointer to memory where to store */ - ulint n) /*!< in: ulint integer (< 2^32) to be stored */ -{ - ut_ad(b); - - if (n < 0x80UL) { - mach_write_to_1(b, n); - return(1); - } else if (n < 0x4000UL) { - mach_write_to_2(b, n | 0x8000UL); - return(2); - } else if (n < 0x200000UL) { - mach_write_to_3(b, n | 0xC00000UL); - return(3); - } else if (n < 0x10000000UL) { - mach_write_to_4(b, n | 0xE0000000UL); - return(4); - } else { - mach_write_to_1(b, 0xF0UL); - mach_write_to_4(b + 1, n); - return(5); - } -} - -/*********************************************************//** -Returns the size of a ulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_get_compressed_size( -/*=====================*/ - ulint n) /*!< in: ulint integer (< 2^32) to be stored */ -{ - if (n < 0x80UL) { - return(1); - } else if (n < 0x4000UL) { - return(2); - } else if (n < 0x200000UL) { - return(3); - } else if (n < 0x10000000UL) { - return(4); - } else { - return(5); - } -} - -/*********************************************************//** -Reads a ulint in a compressed form. -@return read integer (< 2^32) */ -UNIV_INLINE -ulint -mach_read_compressed( -/*=================*/ - const byte* b) /*!< in: pointer to memory from where to read */ -{ - ulint flag; - - ut_ad(b); - - flag = mach_read_from_1(b); - - if (flag < 0x80UL) { - return(flag); - } else if (flag < 0xC0UL) { - return(mach_read_from_2(b) & 0x7FFFUL); - } else if (flag < 0xE0UL) { - return(mach_read_from_3(b) & 0x3FFFFFUL); - } else if (flag < 0xF0UL) { - return(mach_read_from_4(b) & 0x1FFFFFFFUL); - } else { - ut_ad(flag == 0xF0UL); - return(mach_read_from_4(b + 1)); - } -} - -/*******************************************************//** -The following function is used to store data in 8 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_8( -/*============*/ - byte* b, /*!< in: pointer to 8 bytes where to store */ - dulint n) /*!< in: dulint integer to be stored */ -{ - ut_ad(b); - - mach_write_to_4(b, ut_dulint_get_high(n)); - mach_write_to_4(b + 4, ut_dulint_get_low(n)); -} - -/*******************************************************//** -The following function is used to store data in 8 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_ull( -/*===========*/ - byte* b, /*!< in: pointer to 8 bytes where to store */ - ib_uint64_t n) /*!< in: 64-bit integer to be stored */ -{ - ut_ad(b); - - mach_write_to_4(b, (ulint) (n >> 32)); - mach_write_to_4(b + 4, (ulint) n); -} - -/********************************************************//** -The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_8( -/*=============*/ - const byte* b) /*!< in: pointer to 8 bytes */ -{ - ulint high; - ulint low; - - ut_ad(b); - - high = mach_read_from_4(b); - low = mach_read_from_4(b + 4); - - return(ut_dulint_create(high, low)); -} - -/********************************************************//** -The following function is used to fetch data from 8 consecutive -bytes. The most significant byte is at the lowest address. -@return 64-bit integer */ -UNIV_INLINE -ib_uint64_t -mach_read_ull( -/*==========*/ - const byte* b) /*!< in: pointer to 8 bytes */ -{ - ib_uint64_t ull; - - ull = ((ib_uint64_t) mach_read_from_4(b)) << 32; - ull |= (ib_uint64_t) mach_read_from_4(b + 4); - - return(ull); -} - -/*******************************************************//** -The following function is used to store data in 7 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_7( -/*============*/ - byte* b, /*!< in: pointer to 7 bytes where to store */ - dulint n) /*!< in: dulint integer to be stored */ -{ - ut_ad(b); - - mach_write_to_3(b, ut_dulint_get_high(n)); - mach_write_to_4(b + 3, ut_dulint_get_low(n)); -} - -/********************************************************//** -The following function is used to fetch data from 7 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_7( -/*=============*/ - const byte* b) /*!< in: pointer to 7 bytes */ -{ - ulint high; - ulint low; - - ut_ad(b); - - high = mach_read_from_3(b); - low = mach_read_from_4(b + 3); - - return(ut_dulint_create(high, low)); -} - -/*******************************************************//** -The following function is used to store data in 6 consecutive -bytes. We store the most significant byte to the lowest address. */ -UNIV_INLINE -void -mach_write_to_6( -/*============*/ - byte* b, /*!< in: pointer to 6 bytes where to store */ - dulint n) /*!< in: dulint integer to be stored */ -{ - ut_ad(b); - - mach_write_to_2(b, ut_dulint_get_high(n)); - mach_write_to_4(b + 2, ut_dulint_get_low(n)); -} - -/********************************************************//** -The following function is used to fetch data from 6 consecutive -bytes. The most significant byte is at the lowest address. -@return dulint integer */ -UNIV_INLINE -dulint -mach_read_from_6( -/*=============*/ - const byte* b) /*!< in: pointer to 6 bytes */ -{ - ulint high; - ulint low; - - ut_ad(b); - - high = mach_read_from_2(b); - low = mach_read_from_4(b + 2); - - return(ut_dulint_create(high, low)); -} - -/*********************************************************//** -Writes a dulint in a compressed form (5..9 bytes). -@return size in bytes */ -UNIV_INLINE -ulint -mach_dulint_write_compressed( -/*=========================*/ - byte* b, /*!< in: pointer to memory where to store */ - dulint n) /*!< in: dulint integer to be stored */ -{ - ulint size; - - ut_ad(b); - - size = mach_write_compressed(b, ut_dulint_get_high(n)); - mach_write_to_4(b + size, ut_dulint_get_low(n)); - - return(size + 4); -} - -/*********************************************************//** -Returns the size of a dulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_dulint_get_compressed_size( -/*============================*/ - dulint n) /*!< in: dulint integer to be stored */ -{ - return(4 + mach_get_compressed_size(ut_dulint_get_high(n))); -} - -/*********************************************************//** -Reads a dulint in a compressed form. -@return read dulint */ -UNIV_INLINE -dulint -mach_dulint_read_compressed( -/*========================*/ - const byte* b) /*!< in: pointer to memory from where to read */ -{ - ulint high; - ulint low; - ulint size; - - ut_ad(b); - - high = mach_read_compressed(b); - - size = mach_get_compressed_size(high); - - low = mach_read_from_4(b + size); - - return(ut_dulint_create(high, low)); -} - -/*********************************************************//** -Writes a dulint in a compressed form (1..11 bytes). -@return size in bytes */ -UNIV_INLINE -ulint -mach_dulint_write_much_compressed( -/*==============================*/ - byte* b, /*!< in: pointer to memory where to store */ - dulint n) /*!< in: dulint integer to be stored */ -{ - ulint size; - - ut_ad(b); - - if (ut_dulint_get_high(n) == 0) { - return(mach_write_compressed(b, ut_dulint_get_low(n))); - } - - *b = (byte)0xFF; - size = 1 + mach_write_compressed(b + 1, ut_dulint_get_high(n)); - - size += mach_write_compressed(b + size, ut_dulint_get_low(n)); - - return(size); -} - -/*********************************************************//** -Returns the size of a dulint when written in the compressed form. -@return compressed size in bytes */ -UNIV_INLINE -ulint -mach_dulint_get_much_compressed_size( -/*=================================*/ - dulint n) /*!< in: dulint integer to be stored */ -{ - if (0 == ut_dulint_get_high(n)) { - return(mach_get_compressed_size(ut_dulint_get_low(n))); - } - - return(1 + mach_get_compressed_size(ut_dulint_get_high(n)) - + mach_get_compressed_size(ut_dulint_get_low(n))); -} - -/*********************************************************//** -Reads a dulint in a compressed form. -@return read dulint */ -UNIV_INLINE -dulint -mach_dulint_read_much_compressed( -/*=============================*/ - const byte* b) /*!< in: pointer to memory from where to read */ -{ - ulint high; - ulint low; - ulint size; - - ut_ad(b); - - if (*b != (byte)0xFF) { - high = 0; - size = 0; - } else { - high = mach_read_compressed(b + 1); - - size = 1 + mach_get_compressed_size(high); - } - - low = mach_read_compressed(b + size); - - return(ut_dulint_create(high, low)); -} -#ifndef UNIV_HOTBACKUP -/*********************************************************//** -Reads a double. It is stored in a little-endian format. -@return double read */ -UNIV_INLINE -double -mach_double_read( -/*=============*/ - const byte* b) /*!< in: pointer to memory from where to read */ -{ - double d; - ulint i; - byte* ptr; - - ptr = (byte*)&d; - - for (i = 0; i < sizeof(double); i++) { -#ifdef WORDS_BIGENDIAN - ptr[sizeof(double) - i - 1] = b[i]; -#else - ptr[i] = b[i]; -#endif - } - - return(d); -} - -/*********************************************************//** -Writes a double. It is stored in a little-endian format. */ -UNIV_INLINE -void -mach_double_write( -/*==============*/ - byte* b, /*!< in: pointer to memory where to write */ - double d) /*!< in: double */ -{ - ulint i; - byte* ptr; - - ptr = (byte*)&d; - - for (i = 0; i < sizeof(double); i++) { -#ifdef WORDS_BIGENDIAN - b[i] = ptr[sizeof(double) - i - 1]; -#else - b[i] = ptr[i]; -#endif - } -} - -/*********************************************************//** -Reads a float. It is stored in a little-endian format. -@return float read */ -UNIV_INLINE -float -mach_float_read( -/*============*/ - const byte* b) /*!< in: pointer to memory from where to read */ -{ - float d; - ulint i; - byte* ptr; - - ptr = (byte*)&d; - - for (i = 0; i < sizeof(float); i++) { -#ifdef WORDS_BIGENDIAN - ptr[sizeof(float) - i - 1] = b[i]; -#else - ptr[i] = b[i]; -#endif - } - - return(d); -} - -/*********************************************************//** -Writes a float. It is stored in a little-endian format. */ -UNIV_INLINE -void -mach_float_write( -/*=============*/ - byte* b, /*!< in: pointer to memory where to write */ - float d) /*!< in: float */ -{ - ulint i; - byte* ptr; - - ptr = (byte*)&d; - - for (i = 0; i < sizeof(float); i++) { -#ifdef WORDS_BIGENDIAN - b[i] = ptr[sizeof(float) - i - 1]; -#else - b[i] = ptr[i]; -#endif - } -} - -/*********************************************************//** -Reads a ulint stored in the little-endian format. -@return unsigned long int */ -UNIV_INLINE -ulint -mach_read_from_n_little_endian( -/*===========================*/ - const byte* buf, /*!< in: from where to read */ - ulint buf_size) /*!< in: from how many bytes to read */ -{ - ulint n = 0; - const byte* ptr; - - ut_ad(buf_size <= sizeof(ulint)); - ut_ad(buf_size > 0); - - ptr = buf + buf_size; - - for (;;) { - ptr--; - - n = n << 8; - - n += (ulint)(*ptr); - - if (ptr == buf) { - break; - } - } - - return(n); -} - -/*********************************************************//** -Writes a ulint in the little-endian format. */ -UNIV_INLINE -void -mach_write_to_n_little_endian( -/*==========================*/ - byte* dest, /*!< in: where to write */ - ulint dest_size, /*!< in: into how many bytes to write */ - ulint n) /*!< in: unsigned long int to write */ -{ - byte* end; - - ut_ad(dest_size <= sizeof(ulint)); - ut_ad(dest_size > 0); - - end = dest + dest_size; - - for (;;) { - *dest = (byte)(n & 0xFF); - - n = n >> 8; - - dest++; - - if (dest == end) { - break; - } - } - - ut_ad(n == 0); -} - -/*********************************************************//** -Reads a ulint stored in the little-endian format. -@return unsigned long int */ -UNIV_INLINE -ulint -mach_read_from_2_little_endian( -/*===========================*/ - const byte* buf) /*!< in: from where to read */ -{ - return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); -} - -/*********************************************************//** -Writes a ulint in the little-endian format. */ -UNIV_INLINE -void -mach_write_to_2_little_endian( -/*==========================*/ - byte* dest, /*!< in: where to write */ - ulint n) /*!< in: unsigned long int to write */ -{ - ut_ad(n < 256 * 256); - - *dest = (byte)(n & 0xFFUL); - - n = n >> 8; - dest++; - - *dest = (byte)(n & 0xFFUL); -} - -/*********************************************************//** -Convert integral type from storage byte order (big endian) to -host byte order. -@return integer value */ -UNIV_INLINE -ullint -mach_read_int_type( -/*===============*/ - const byte* src, /*!< in: where to read from */ - ulint len, /*!< in: length of src */ - ibool unsigned_type) /*!< in: signed or unsigned flag */ -{ - /* XXX this can be optimized on big-endian machines */ - - ullint ret; - uint i; - - if (unsigned_type || (src[0] & 0x80)) { - - ret = 0x0000000000000000ULL; - } else { - - ret = 0xFFFFFFFFFFFFFF00ULL; - } - - if (unsigned_type) { - - ret |= src[0]; - } else { - - ret |= src[0] ^ 0x80; - } - - for (i = 1; i < len; i++) { - ret <<= 8; - ret |= src[i]; - } - - return(ret); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mem0dbg.h b/perfschema/include/mem0dbg.h deleted file mode 100644 index d81e1418b2b..00000000000 --- a/perfschema/include/mem0dbg.h +++ /dev/null @@ -1,150 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mem0dbg.h -The memory management: the debug code. This is not a compilation module, -but is included in mem0mem.* ! - -Created 6/9/1994 Heikki Tuuri -*******************************************************/ - -/* In the debug version each allocated field is surrounded with -check fields whose sizes are given below */ - -#ifdef UNIV_MEM_DEBUG -# ifndef UNIV_HOTBACKUP -/* The mutex which protects in the debug version the hash table -containing the list of live memory heaps, and also the global -variables in mem0dbg.c. */ -extern mutex_t mem_hash_mutex; -# endif /* !UNIV_HOTBACKUP */ - -#define MEM_FIELD_HEADER_SIZE ut_calc_align(2 * sizeof(ulint),\ - UNIV_MEM_ALIGNMENT) -#define MEM_FIELD_TRAILER_SIZE sizeof(ulint) -#else -#define MEM_FIELD_HEADER_SIZE 0 -#endif - - -/* Space needed when allocating for a user a field of -length N. The space is allocated only in multiples of -UNIV_MEM_ALIGNMENT. In the debug version there are also -check fields at the both ends of the field. */ -#ifdef UNIV_MEM_DEBUG -#define MEM_SPACE_NEEDED(N) ut_calc_align((N) + MEM_FIELD_HEADER_SIZE\ - + MEM_FIELD_TRAILER_SIZE, UNIV_MEM_ALIGNMENT) -#else -#define MEM_SPACE_NEEDED(N) ut_calc_align((N), UNIV_MEM_ALIGNMENT) -#endif - -#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG -/***************************************************************//** -Checks a memory heap for consistency and prints the contents if requested. -Outputs the sum of sizes of buffers given to the user (only in -the debug version), the physical size of the heap and the number of -blocks in the heap. In case of error returns 0 as sizes and number -of blocks. */ -UNIV_INTERN -void -mem_heap_validate_or_print( -/*=======================*/ - mem_heap_t* heap, /*!< in: memory heap */ - byte* top, /*!< in: calculate and validate only until - this top pointer in the heap is reached, - if this pointer is NULL, ignored */ - ibool print, /*!< in: if TRUE, prints the contents - of the heap; works only in - the debug version */ - ibool* error, /*!< out: TRUE if error */ - ulint* us_size,/*!< out: allocated memory - (for the user) in the heap, - if a NULL pointer is passed as this - argument, it is ignored; in the - non-debug version this is always -1 */ - ulint* ph_size,/*!< out: physical size of the heap, - if a NULL pointer is passed as this - argument, it is ignored */ - ulint* n_blocks); /*!< out: number of blocks in the heap, - if a NULL pointer is passed as this - argument, it is ignored */ -/**************************************************************//** -Validates the contents of a memory heap. -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_heap_validate( -/*==============*/ - mem_heap_t* heap); /*!< in: memory heap */ -#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ -#ifdef UNIV_DEBUG -/**************************************************************//** -Checks that an object is a memory heap (or a block of it) -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_heap_check( -/*===========*/ - mem_heap_t* heap); /*!< in: memory heap */ -#endif /* UNIV_DEBUG */ -#ifdef UNIV_MEM_DEBUG -/*****************************************************************//** -TRUE if no memory is currently allocated. -@return TRUE if no heaps exist */ -UNIV_INTERN -ibool -mem_all_freed(void); -/*===============*/ -/*****************************************************************//** -Validates the dynamic memory -@return TRUE if error */ -UNIV_INTERN -ibool -mem_validate_no_assert(void); -/*=========================*/ -/************************************************************//** -Validates the dynamic memory -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_validate(void); -/*===============*/ -#endif /* UNIV_MEM_DEBUG */ -/************************************************************//** -Tries to find neigboring memory allocation blocks and dumps to stderr -the neighborhood of a given pointer. */ -UNIV_INTERN -void -mem_analyze_corruption( -/*===================*/ - void* ptr); /*!< in: pointer to place of possible corruption */ -/*****************************************************************//** -Prints information of dynamic memory usage and currently allocated memory -heaps or buffers. Can only be used in the debug version. */ -UNIV_INTERN -void -mem_print_info(void); -/*================*/ -/*****************************************************************//** -Prints information of dynamic memory usage and currently allocated memory -heaps or buffers since the last ..._print_info or..._print_new_info. */ -UNIV_INTERN -void -mem_print_new_info(void); -/*====================*/ diff --git a/perfschema/include/mem0dbg.ic b/perfschema/include/mem0dbg.ic deleted file mode 100644 index b0c8178a623..00000000000 --- a/perfschema/include/mem0dbg.ic +++ /dev/null @@ -1,109 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/mem0dbg.ic -The memory management: the debug code. This is not an independent -compilation module but is included in mem0mem.*. - -Created 6/8/1994 Heikki Tuuri -*************************************************************************/ - -#ifdef UNIV_MEM_DEBUG -extern ulint mem_current_allocated_memory; - -/******************************************************************//** -Initializes an allocated memory field in the debug version. */ -UNIV_INTERN -void -mem_field_init( -/*===========*/ - byte* buf, /*!< in: memory field */ - ulint n); /*!< in: how many bytes the user requested */ -/******************************************************************//** -Erases an allocated memory field in the debug version. */ -UNIV_INTERN -void -mem_field_erase( -/*============*/ - byte* buf, /*!< in: memory field */ - ulint n); /*!< in: how many bytes the user requested */ -/***************************************************************//** -Initializes a buffer to a random combination of hex BA and BE. -Used to initialize allocated memory. */ -UNIV_INTERN -void -mem_init_buf( -/*=========*/ - byte* buf, /*!< in: pointer to buffer */ - ulint n); /*!< in: length of buffer */ -/***************************************************************//** -Initializes a buffer to a random combination of hex DE and AD. -Used to erase freed memory. */ -UNIV_INTERN -void -mem_erase_buf( -/*==========*/ - byte* buf, /*!< in: pointer to buffer */ - ulint n); /*!< in: length of buffer */ -/***************************************************************//** -Inserts a created memory heap to the hash table of -current allocated memory heaps. -Initializes the hash table when first called. */ -UNIV_INTERN -void -mem_hash_insert( -/*============*/ - mem_heap_t* heap, /*!< in: the created heap */ - const char* file_name, /*!< in: file name of creation */ - ulint line); /*!< in: line where created */ -/***************************************************************//** -Removes a memory heap (which is going to be freed by the caller) -from the list of live memory heaps. Returns the size of the heap -in terms of how much memory in bytes was allocated for the user of -the heap (not the total space occupied by the heap). -Also validates the heap. -NOTE: This function does not free the storage occupied by the -heap itself, only the node in the list of heaps. */ -UNIV_INTERN -void -mem_hash_remove( -/*============*/ - mem_heap_t* heap, /*!< in: the heap to be freed */ - const char* file_name, /*!< in: file name of freeing */ - ulint line); /*!< in: line where freed */ - - -void -mem_field_header_set_len(byte* field, ulint len); - -ulint -mem_field_header_get_len(byte* field); - -void -mem_field_header_set_check(byte* field, ulint check); - -ulint -mem_field_header_get_check(byte* field); - -void -mem_field_trailer_set_check(byte* field, ulint check); - -ulint -mem_field_trailer_get_check(byte* field); -#endif /* UNIV_MEM_DEBUG */ diff --git a/perfschema/include/mem0mem.h b/perfschema/include/mem0mem.h deleted file mode 100644 index 5181bb4c9f7..00000000000 --- a/perfschema/include/mem0mem.h +++ /dev/null @@ -1,402 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mem0mem.h -The memory management - -Created 6/9/1994 Heikki Tuuri -*******************************************************/ - -#ifndef mem0mem_h -#define mem0mem_h - -#include "univ.i" -#include "ut0mem.h" -#include "ut0byte.h" -#include "ut0rnd.h" -#ifndef UNIV_HOTBACKUP -# include "sync0sync.h" -#endif /* UNIV_HOTBACKUP */ -#include "ut0lst.h" -#include "mach0data.h" - -/* -------------------- MEMORY HEAPS ----------------------------- */ - -/* The info structure stored at the beginning of a heap block */ -typedef struct mem_block_info_struct mem_block_info_t; - -/* A block of a memory heap consists of the info structure -followed by an area of memory */ -typedef mem_block_info_t mem_block_t; - -/* A memory heap is a nonempty linear list of memory blocks */ -typedef mem_block_t mem_heap_t; - -/* Types of allocation for memory heaps: DYNAMIC means allocation from the -dynamic memory pool of the C compiler, BUFFER means allocation from the -buffer pool; the latter method is used for very big heaps */ - -#define MEM_HEAP_DYNAMIC 0 /* the most common type */ -#define MEM_HEAP_BUFFER 1 -#define MEM_HEAP_BTR_SEARCH 2 /* this flag can optionally be - ORed to MEM_HEAP_BUFFER, in which - case heap->free_block is used in - some cases for memory allocations, - and if it's NULL, the memory - allocation functions can return - NULL. */ - -/* The following start size is used for the first block in the memory heap if -the size is not specified, i.e., 0 is given as the parameter in the call of -create. The standard size is the maximum (payload) size of the blocks used for -allocations of small buffers. */ - -#define MEM_BLOCK_START_SIZE 64 -#define MEM_BLOCK_STANDARD_SIZE \ - (UNIV_PAGE_SIZE >= 16384 ? 8000 : MEM_MAX_ALLOC_IN_BUF) - -/* If a memory heap is allowed to grow into the buffer pool, the following -is the maximum size for a single allocated buffer: */ -#define MEM_MAX_ALLOC_IN_BUF (UNIV_PAGE_SIZE - 200) - -/******************************************************************//** -Initializes the memory system. */ -UNIV_INTERN -void -mem_init( -/*=====*/ - ulint size); /*!< in: common pool size in bytes */ -/******************************************************************//** -Closes the memory system. */ -UNIV_INTERN -void -mem_close(void); -/*===========*/ - -/**************************************************************//** -Use this macro instead of the corresponding function! Macro for memory -heap creation. */ - -#define mem_heap_create(N) mem_heap_create_func(\ - (N), MEM_HEAP_DYNAMIC, __FILE__, __LINE__) -/**************************************************************//** -Use this macro instead of the corresponding function! Macro for memory -heap creation. */ - -#define mem_heap_create_in_buffer(N) mem_heap_create_func(\ - (N), MEM_HEAP_BUFFER, __FILE__, __LINE__) -/**************************************************************//** -Use this macro instead of the corresponding function! Macro for memory -heap creation. */ - -#define mem_heap_create_in_btr_search(N) mem_heap_create_func(\ - (N), MEM_HEAP_BTR_SEARCH | MEM_HEAP_BUFFER,\ - __FILE__, __LINE__) - -/**************************************************************//** -Use this macro instead of the corresponding function! Macro for memory -heap freeing. */ - -#define mem_heap_free(heap) mem_heap_free_func(\ - (heap), __FILE__, __LINE__) -/*****************************************************************//** -NOTE: Use the corresponding macros instead of this function. Creates a -memory heap. For debugging purposes, takes also the file name and line as -arguments. -@return own: memory heap, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INLINE -mem_heap_t* -mem_heap_create_func( -/*=================*/ - ulint n, /*!< in: desired start block size, - this means that a single user buffer - of size n will fit in the block, - 0 creates a default size block */ - ulint type, /*!< in: heap type */ - const char* file_name, /*!< in: file name where created */ - ulint line); /*!< in: line where created */ -/*****************************************************************//** -NOTE: Use the corresponding macro instead of this function. Frees the space -occupied by a memory heap. In the debug version erases the heap memory -blocks. */ -UNIV_INLINE -void -mem_heap_free_func( -/*===============*/ - mem_heap_t* heap, /*!< in, own: heap to be freed */ - const char* file_name, /*!< in: file name where freed */ - ulint line); /*!< in: line where freed */ -/***************************************************************//** -Allocates and zero-fills n bytes of memory from a memory heap. -@return allocated, zero-filled storage */ -UNIV_INLINE -void* -mem_heap_zalloc( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n); /*!< in: number of bytes; if the heap is allowed - to grow into the buffer pool, this must be - <= MEM_MAX_ALLOC_IN_BUF */ -/***************************************************************//** -Allocates n bytes of memory from a memory heap. -@return allocated storage, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INLINE -void* -mem_heap_alloc( -/*===========*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n); /*!< in: number of bytes; if the heap is allowed - to grow into the buffer pool, this must be - <= MEM_MAX_ALLOC_IN_BUF */ -/*****************************************************************//** -Returns a pointer to the heap top. -@return pointer to the heap top */ -UNIV_INLINE -byte* -mem_heap_get_heap_top( -/*==================*/ - mem_heap_t* heap); /*!< in: memory heap */ -/*****************************************************************//** -Frees the space in a memory heap exceeding the pointer given. The -pointer must have been acquired from mem_heap_get_heap_top. The first -memory block of the heap is not freed. */ -UNIV_INLINE -void -mem_heap_free_heap_top( -/*===================*/ - mem_heap_t* heap, /*!< in: heap from which to free */ - byte* old_top);/*!< in: pointer to old top of heap */ -/*****************************************************************//** -Empties a memory heap. The first memory block of the heap is not freed. */ -UNIV_INLINE -void -mem_heap_empty( -/*===========*/ - mem_heap_t* heap); /*!< in: heap to empty */ -/*****************************************************************//** -Returns a pointer to the topmost element in a memory heap. -The size of the element must be given. -@return pointer to the topmost element */ -UNIV_INLINE -void* -mem_heap_get_top( -/*=============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n); /*!< in: size of the topmost element */ -/*****************************************************************//** -Frees the topmost element in a memory heap. -The size of the element must be given. */ -UNIV_INLINE -void -mem_heap_free_top( -/*==============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n); /*!< in: size of the topmost element */ -/*****************************************************************//** -Returns the space in bytes occupied by a memory heap. */ -UNIV_INLINE -ulint -mem_heap_get_size( -/*==============*/ - mem_heap_t* heap); /*!< in: heap */ -/**************************************************************//** -Use this macro instead of the corresponding function! -Macro for memory buffer allocation */ - -#define mem_zalloc(N) memset(mem_alloc(N), 0, (N)); - -#define mem_alloc(N) mem_alloc_func((N), NULL, __FILE__, __LINE__) -#define mem_alloc2(N,S) mem_alloc_func((N), (S), __FILE__, __LINE__) -/***************************************************************//** -NOTE: Use the corresponding macro instead of this function. -Allocates a single buffer of memory from the dynamic memory of -the C compiler. Is like malloc of C. The buffer must be freed -with mem_free. -@return own: free storage */ -UNIV_INLINE -void* -mem_alloc_func( -/*===========*/ - ulint n, /*!< in: requested size in bytes */ - ulint* size, /*!< out: allocated size in bytes, - or NULL */ - const char* file_name, /*!< in: file name where created */ - ulint line); /*!< in: line where created */ - -/**************************************************************//** -Use this macro instead of the corresponding function! -Macro for memory buffer freeing */ - -#define mem_free(PTR) mem_free_func((PTR), __FILE__, __LINE__) -/***************************************************************//** -NOTE: Use the corresponding macro instead of this function. -Frees a single buffer of storage from -the dynamic memory of C compiler. Similar to free of C. */ -UNIV_INLINE -void -mem_free_func( -/*==========*/ - void* ptr, /*!< in, own: buffer to be freed */ - const char* file_name, /*!< in: file name where created */ - ulint line); /*!< in: line where created */ - -/**********************************************************************//** -Duplicates a NUL-terminated string. -@return own: a copy of the string, must be deallocated with mem_free */ -UNIV_INLINE -char* -mem_strdup( -/*=======*/ - const char* str); /*!< in: string to be copied */ -/**********************************************************************//** -Makes a NUL-terminated copy of a nonterminated string. -@return own: a copy of the string, must be deallocated with mem_free */ -UNIV_INLINE -char* -mem_strdupl( -/*========*/ - const char* str, /*!< in: string to be copied */ - ulint len); /*!< in: length of str, in bytes */ - -/**********************************************************************//** -Duplicates a NUL-terminated string, allocated from a memory heap. -@return own: a copy of the string */ -UNIV_INTERN -char* -mem_heap_strdup( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* str); /*!< in: string to be copied */ -/**********************************************************************//** -Makes a NUL-terminated copy of a nonterminated string, -allocated from a memory heap. -@return own: a copy of the string */ -UNIV_INLINE -char* -mem_heap_strdupl( -/*=============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* str, /*!< in: string to be copied */ - ulint len); /*!< in: length of str, in bytes */ - -/**********************************************************************//** -Concatenate two strings and return the result, using a memory heap. -@return own: the result */ -UNIV_INTERN -char* -mem_heap_strcat( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* s1, /*!< in: string 1 */ - const char* s2); /*!< in: string 2 */ - -/**********************************************************************//** -Duplicate a block of data, allocated from a memory heap. -@return own: a copy of the data */ -UNIV_INTERN -void* -mem_heap_dup( -/*=========*/ - mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ - const void* data, /*!< in: data to be copied */ - ulint len); /*!< in: length of data, in bytes */ - -/****************************************************************//** -A simple (s)printf replacement that dynamically allocates the space for the -formatted string from the given heap. This supports a very limited set of -the printf syntax: types 's' and 'u' and length modifier 'l' (which is -required for the 'u' type). -@return heap-allocated formatted string */ -UNIV_INTERN -char* -mem_heap_printf( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap */ - const char* format, /*!< in: format string */ - ...) __attribute__ ((format (printf, 2, 3))); - -#ifdef MEM_PERIODIC_CHECK -/******************************************************************//** -Goes through the list of all allocated mem blocks, checks their magic -numbers, and reports possible corruption. */ -UNIV_INTERN -void -mem_validate_all_blocks(void); -/*=========================*/ -#endif - -/*#######################################################################*/ - -/* The info header of a block in a memory heap */ - -struct mem_block_info_struct { - ulint magic_n;/* magic number for debugging */ - char file_name[8];/* file name where the mem heap was created */ - ulint line; /*!< line number where the mem heap was created */ - UT_LIST_BASE_NODE_T(mem_block_t) base; /* In the first block in the - the list this is the base node of the list of blocks; - in subsequent blocks this is undefined */ - UT_LIST_NODE_T(mem_block_t) list; /* This contains pointers to next - and prev in the list. The first block allocated - to the heap is also the first block in this list, - though it also contains the base node of the list. */ - ulint len; /*!< physical length of this block in bytes */ - ulint total_size; /*!< physical length in bytes of all blocks - in the heap. This is defined only in the base - node and is set to ULINT_UNDEFINED in others. */ - ulint type; /*!< type of heap: MEM_HEAP_DYNAMIC, or - MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH */ - ulint free; /*!< offset in bytes of the first free position for - user data in the block */ - ulint start; /*!< the value of the struct field 'free' at the - creation of the block */ -#ifndef UNIV_HOTBACKUP - void* free_block; - /* if the MEM_HEAP_BTR_SEARCH bit is set in type, - and this is the heap root, this can contain an - allocated buffer frame, which can be appended as a - free block to the heap, if we need more space; - otherwise, this is NULL */ - void* buf_block; - /* if this block has been allocated from the buffer - pool, this contains the buf_block_t handle; - otherwise, this is NULL */ -#endif /* !UNIV_HOTBACKUP */ -#ifdef MEM_PERIODIC_CHECK - UT_LIST_NODE_T(mem_block_t) mem_block_list; - /* List of all mem blocks allocated; protected - by the mem_comm_pool mutex */ -#endif -}; - -#define MEM_BLOCK_MAGIC_N 764741555 -#define MEM_FREED_BLOCK_MAGIC_N 547711122 - -/* Header size for a memory heap block */ -#define MEM_BLOCK_HEADER_SIZE ut_calc_align(sizeof(mem_block_info_t),\ - UNIV_MEM_ALIGNMENT) -#include "mem0dbg.h" - -#ifndef UNIV_NONINL -#include "mem0mem.ic" -#endif - -#endif diff --git a/perfschema/include/mem0mem.ic b/perfschema/include/mem0mem.ic deleted file mode 100644 index cbce2edc661..00000000000 --- a/perfschema/include/mem0mem.ic +++ /dev/null @@ -1,640 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/mem0mem.ic -The memory management - -Created 6/8/1994 Heikki Tuuri -*************************************************************************/ - -#include "mem0dbg.ic" -#ifndef UNIV_HOTBACKUP -# include "mem0pool.h" -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -Creates a memory heap block where data can be allocated. -@return own: memory heap block, NULL if did not succeed (only possible -for MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INTERN -mem_block_t* -mem_heap_create_block( -/*==================*/ - mem_heap_t* heap, /*!< in: memory heap or NULL if first block - should be created */ - ulint n, /*!< in: number of bytes needed for user data */ - ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or - MEM_HEAP_BUFFER */ - const char* file_name,/*!< in: file name where created */ - ulint line); /*!< in: line where created */ -/******************************************************************//** -Frees a block from a memory heap. */ -UNIV_INTERN -void -mem_heap_block_free( -/*================*/ - mem_heap_t* heap, /*!< in: heap */ - mem_block_t* block); /*!< in: block to free */ -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Frees the free_block field from a memory heap. */ -UNIV_INTERN -void -mem_heap_free_block_free( -/*=====================*/ - mem_heap_t* heap); /*!< in: heap */ -#endif /* !UNIV_HOTBACKUP */ -/***************************************************************//** -Adds a new block to a memory heap. -@return created block, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INTERN -mem_block_t* -mem_heap_add_block( -/*===============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n); /*!< in: number of bytes user needs */ - -UNIV_INLINE -void -mem_block_set_len(mem_block_t* block, ulint len) -{ - ut_ad(len > 0); - - block->len = len; -} - -UNIV_INLINE -ulint -mem_block_get_len(mem_block_t* block) -{ - return(block->len); -} - -UNIV_INLINE -void -mem_block_set_type(mem_block_t* block, ulint type) -{ - ut_ad((type == MEM_HEAP_DYNAMIC) || (type == MEM_HEAP_BUFFER) - || (type == MEM_HEAP_BUFFER + MEM_HEAP_BTR_SEARCH)); - - block->type = type; -} - -UNIV_INLINE -ulint -mem_block_get_type(mem_block_t* block) -{ - return(block->type); -} - -UNIV_INLINE -void -mem_block_set_free(mem_block_t* block, ulint free) -{ - ut_ad(free > 0); - ut_ad(free <= mem_block_get_len(block)); - - block->free = free; -} - -UNIV_INLINE -ulint -mem_block_get_free(mem_block_t* block) -{ - return(block->free); -} - -UNIV_INLINE -void -mem_block_set_start(mem_block_t* block, ulint start) -{ - ut_ad(start > 0); - - block->start = start; -} - -UNIV_INLINE -ulint -mem_block_get_start(mem_block_t* block) -{ - return(block->start); -} - -/***************************************************************//** -Allocates and zero-fills n bytes of memory from a memory heap. -@return allocated, zero-filled storage */ -UNIV_INLINE -void* -mem_heap_zalloc( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n) /*!< in: number of bytes; if the heap is allowed - to grow into the buffer pool, this must be - <= MEM_MAX_ALLOC_IN_BUF */ -{ - ut_ad(heap); - ut_ad(!(heap->type & MEM_HEAP_BTR_SEARCH)); - return(memset(mem_heap_alloc(heap, n), 0, n)); -} - -/***************************************************************//** -Allocates n bytes of memory from a memory heap. -@return allocated storage, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INLINE -void* -mem_heap_alloc( -/*===========*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n) /*!< in: number of bytes; if the heap is allowed - to grow into the buffer pool, this must be - <= MEM_MAX_ALLOC_IN_BUF */ -{ - mem_block_t* block; - void* buf; - ulint free; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - - ut_ad(!(block->type & MEM_HEAP_BUFFER) || (n <= MEM_MAX_ALLOC_IN_BUF)); - - /* Check if there is enough space in block. If not, create a new - block to the heap */ - - if (mem_block_get_len(block) - < mem_block_get_free(block) + MEM_SPACE_NEEDED(n)) { - - block = mem_heap_add_block(heap, n); - - if (block == NULL) { - - return(NULL); - } - } - - free = mem_block_get_free(block); - - buf = (byte*)block + free; - - mem_block_set_free(block, free + MEM_SPACE_NEEDED(n)); - -#ifdef UNIV_MEM_DEBUG - UNIV_MEM_ALLOC(buf, - n + MEM_FIELD_HEADER_SIZE + MEM_FIELD_TRAILER_SIZE); - - /* In the debug version write debugging info to the field */ - mem_field_init((byte*)buf, n); - - /* Advance buf to point at the storage which will be given to the - caller */ - buf = (byte*)buf + MEM_FIELD_HEADER_SIZE; - -#endif -#ifdef UNIV_SET_MEM_TO_ZERO - UNIV_MEM_ALLOC(buf, n); - memset(buf, '\0', n); -#endif - UNIV_MEM_ALLOC(buf, n); - return(buf); -} - -/*****************************************************************//** -Returns a pointer to the heap top. -@return pointer to the heap top */ -UNIV_INLINE -byte* -mem_heap_get_heap_top( -/*==================*/ - mem_heap_t* heap) /*!< in: memory heap */ -{ - mem_block_t* block; - byte* buf; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - - buf = (byte*)block + mem_block_get_free(block); - - return(buf); -} - -/*****************************************************************//** -Frees the space in a memory heap exceeding the pointer given. The -pointer must have been acquired from mem_heap_get_heap_top. The first -memory block of the heap is not freed. */ -UNIV_INLINE -void -mem_heap_free_heap_top( -/*===================*/ - mem_heap_t* heap, /*!< in: heap from which to free */ - byte* old_top)/*!< in: pointer to old top of heap */ -{ - mem_block_t* block; - mem_block_t* prev_block; -#ifdef UNIV_MEM_DEBUG - ibool error; - ulint total_size; - ulint size; -#endif - - ut_ad(mem_heap_check(heap)); - -#ifdef UNIV_MEM_DEBUG - - /* Validate the heap and get its total allocated size */ - mem_heap_validate_or_print(heap, NULL, FALSE, &error, &total_size, - NULL, NULL); - ut_a(!error); - - /* Get the size below top pointer */ - mem_heap_validate_or_print(heap, old_top, FALSE, &error, &size, NULL, - NULL); - ut_a(!error); - -#endif - - block = UT_LIST_GET_LAST(heap->base); - - while (block != NULL) { - if (((byte*)block + mem_block_get_free(block) >= old_top) - && ((byte*)block <= old_top)) { - /* Found the right block */ - - break; - } - - /* Store prev_block value before freeing the current block - (the current block will be erased in freeing) */ - - prev_block = UT_LIST_GET_PREV(list, block); - - mem_heap_block_free(heap, block); - - block = prev_block; - } - - ut_ad(block); - - /* Set the free field of block */ - mem_block_set_free(block, old_top - (byte*)block); - -#ifdef UNIV_MEM_DEBUG - ut_ad(mem_block_get_start(block) <= mem_block_get_free(block)); - - /* In the debug version erase block from top up */ - mem_erase_buf(old_top, (byte*)block + block->len - old_top); - - /* Update allocated memory count */ - mutex_enter(&mem_hash_mutex); - mem_current_allocated_memory -= (total_size - size); - mutex_exit(&mem_hash_mutex); -#else /* UNIV_MEM_DEBUG */ - UNIV_MEM_ASSERT_W(old_top, (byte*)block + block->len - old_top); -#endif /* UNIV_MEM_DEBUG */ - UNIV_MEM_ALLOC(old_top, (byte*)block + block->len - old_top); - - /* If free == start, we may free the block if it is not the first - one */ - - if ((heap != block) && (mem_block_get_free(block) - == mem_block_get_start(block))) { - mem_heap_block_free(heap, block); - } -} - -/*****************************************************************//** -Empties a memory heap. The first memory block of the heap is not freed. */ -UNIV_INLINE -void -mem_heap_empty( -/*===========*/ - mem_heap_t* heap) /*!< in: heap to empty */ -{ - mem_heap_free_heap_top(heap, (byte*)heap + mem_block_get_start(heap)); -#ifndef UNIV_HOTBACKUP - if (heap->free_block) { - mem_heap_free_block_free(heap); - } -#endif /* !UNIV_HOTBACKUP */ -} - -/*****************************************************************//** -Returns a pointer to the topmost element in a memory heap. The size of the -element must be given. -@return pointer to the topmost element */ -UNIV_INLINE -void* -mem_heap_get_top( -/*=============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n) /*!< in: size of the topmost element */ -{ - mem_block_t* block; - void* buf; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - - buf = (byte*)block + mem_block_get_free(block) - MEM_SPACE_NEEDED(n); - -#ifdef UNIV_MEM_DEBUG - ut_ad(mem_block_get_start(block) <=(ulint)((byte*)buf - (byte*)block)); - - /* In the debug version, advance buf to point at the storage which - was given to the caller in the allocation*/ - - buf = (byte*)buf + MEM_FIELD_HEADER_SIZE; - - /* Check that the field lengths agree */ - ut_ad(n == (ulint)mem_field_header_get_len(buf)); -#endif - - return(buf); -} - -/*****************************************************************//** -Frees the topmost element in a memory heap. The size of the element must be -given. */ -UNIV_INLINE -void -mem_heap_free_top( -/*==============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n) /*!< in: size of the topmost element */ -{ - mem_block_t* block; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - - /* Subtract the free field of block */ - mem_block_set_free(block, mem_block_get_free(block) - - MEM_SPACE_NEEDED(n)); - UNIV_MEM_ASSERT_W((byte*) block + mem_block_get_free(block), n); -#ifdef UNIV_MEM_DEBUG - - ut_ad(mem_block_get_start(block) <= mem_block_get_free(block)); - - /* In the debug version check the consistency, and erase field */ - mem_field_erase((byte*)block + mem_block_get_free(block), n); -#endif - - /* If free == start, we may free the block if it is not the first - one */ - - if ((heap != block) && (mem_block_get_free(block) - == mem_block_get_start(block))) { - mem_heap_block_free(heap, block); - } else { - /* Avoid a bogus UNIV_MEM_ASSERT_W() warning in a - subsequent invocation of mem_heap_free_top(). - Originally, this was UNIV_MEM_FREE(), to catch writes - to freed memory. */ - UNIV_MEM_ALLOC((byte*) block + mem_block_get_free(block), n); - } -} - -/*****************************************************************//** -NOTE: Use the corresponding macros instead of this function. Creates a -memory heap. For debugging purposes, takes also the file name and line as -argument. -@return own: memory heap, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INLINE -mem_heap_t* -mem_heap_create_func( -/*=================*/ - ulint n, /*!< in: desired start block size, - this means that a single user buffer - of size n will fit in the block, - 0 creates a default size block */ - ulint type, /*!< in: heap type */ - const char* file_name, /*!< in: file name where created */ - ulint line) /*!< in: line where created */ -{ - mem_block_t* block; - - if (!n) { - n = MEM_BLOCK_START_SIZE; - } - - block = mem_heap_create_block(NULL, n, type, file_name, line); - - if (block == NULL) { - - return(NULL); - } - - UT_LIST_INIT(block->base); - - /* Add the created block itself as the first block in the list */ - UT_LIST_ADD_FIRST(list, block->base, block); - -#ifdef UNIV_MEM_DEBUG - - mem_hash_insert(block, file_name, line); - -#endif - - return(block); -} - -/*****************************************************************//** -NOTE: Use the corresponding macro instead of this function. Frees the space -occupied by a memory heap. In the debug version erases the heap memory -blocks. */ -UNIV_INLINE -void -mem_heap_free_func( -/*===============*/ - mem_heap_t* heap, /*!< in, own: heap to be freed */ - const char* file_name __attribute__((unused)), - /*!< in: file name where freed */ - ulint line __attribute__((unused))) -{ - mem_block_t* block; - mem_block_t* prev_block; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - -#ifdef UNIV_MEM_DEBUG - - /* In the debug version remove the heap from the hash table of heaps - and check its consistency */ - - mem_hash_remove(heap, file_name, line); - -#endif -#ifndef UNIV_HOTBACKUP - if (heap->free_block) { - mem_heap_free_block_free(heap); - } -#endif /* !UNIV_HOTBACKUP */ - - while (block != NULL) { - /* Store the contents of info before freeing current block - (it is erased in freeing) */ - - prev_block = UT_LIST_GET_PREV(list, block); - - mem_heap_block_free(heap, block); - - block = prev_block; - } -} - -/***************************************************************//** -NOTE: Use the corresponding macro instead of this function. -Allocates a single buffer of memory from the dynamic memory of -the C compiler. Is like malloc of C. The buffer must be freed -with mem_free. -@return own: free storage */ -UNIV_INLINE -void* -mem_alloc_func( -/*===========*/ - ulint n, /*!< in: desired number of bytes */ - ulint* size, /*!< out: allocated size in bytes, - or NULL */ - const char* file_name, /*!< in: file name where created */ - ulint line) /*!< in: line where created */ -{ - mem_heap_t* heap; - void* buf; - - heap = mem_heap_create_func(n, MEM_HEAP_DYNAMIC, file_name, line); - - /* Note that as we created the first block in the heap big enough - for the buffer requested by the caller, the buffer will be in the - first block and thus we can calculate the pointer to the heap from - the pointer to the buffer when we free the memory buffer. */ - - if (UNIV_LIKELY_NULL(size)) { - /* Adjust the allocation to the actual size of the - memory block. */ - ulint m = mem_block_get_len(heap) - - mem_block_get_free(heap); -#ifdef UNIV_MEM_DEBUG - m -= MEM_FIELD_HEADER_SIZE + MEM_FIELD_TRAILER_SIZE; -#endif /* UNIV_MEM_DEBUG */ - ut_ad(m >= n); - *size = n = m; - } - - buf = mem_heap_alloc(heap, n); - - ut_a((byte*)heap == (byte*)buf - MEM_BLOCK_HEADER_SIZE - - MEM_FIELD_HEADER_SIZE); - return(buf); -} - -/***************************************************************//** -NOTE: Use the corresponding macro instead of this function. Frees a single -buffer of storage from the dynamic memory of the C compiler. Similar to the -free of C. */ -UNIV_INLINE -void -mem_free_func( -/*==========*/ - void* ptr, /*!< in, own: buffer to be freed */ - const char* file_name, /*!< in: file name where created */ - ulint line) /*!< in: line where created */ -{ - mem_heap_t* heap; - - heap = (mem_heap_t*)((byte*)ptr - MEM_BLOCK_HEADER_SIZE - - MEM_FIELD_HEADER_SIZE); - mem_heap_free_func(heap, file_name, line); -} - -/*****************************************************************//** -Returns the space in bytes occupied by a memory heap. */ -UNIV_INLINE -ulint -mem_heap_get_size( -/*==============*/ - mem_heap_t* heap) /*!< in: heap */ -{ - ulint size = 0; - - ut_ad(mem_heap_check(heap)); - - size = heap->total_size; - -#ifndef UNIV_HOTBACKUP - if (heap->free_block) { - size += UNIV_PAGE_SIZE; - } -#endif /* !UNIV_HOTBACKUP */ - - return(size); -} - -/**********************************************************************//** -Duplicates a NUL-terminated string. -@return own: a copy of the string, must be deallocated with mem_free */ -UNIV_INLINE -char* -mem_strdup( -/*=======*/ - const char* str) /*!< in: string to be copied */ -{ - ulint len = strlen(str) + 1; - return((char*) memcpy(mem_alloc(len), str, len)); -} - -/**********************************************************************//** -Makes a NUL-terminated copy of a nonterminated string. -@return own: a copy of the string, must be deallocated with mem_free */ -UNIV_INLINE -char* -mem_strdupl( -/*========*/ - const char* str, /*!< in: string to be copied */ - ulint len) /*!< in: length of str, in bytes */ -{ - char* s = (char*) mem_alloc(len + 1); - s[len] = 0; - return((char*) memcpy(s, str, len)); -} - -/**********************************************************************//** -Makes a NUL-terminated copy of a nonterminated string, -allocated from a memory heap. -@return own: a copy of the string */ -UNIV_INLINE -char* -mem_heap_strdupl( -/*=============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* str, /*!< in: string to be copied */ - ulint len) /*!< in: length of str, in bytes */ -{ - char* s = (char*) mem_heap_alloc(heap, len + 1); - s[len] = 0; - return((char*) memcpy(s, str, len)); -} diff --git a/perfschema/include/mem0pool.h b/perfschema/include/mem0pool.h deleted file mode 100644 index 5e93bf88a47..00000000000 --- a/perfschema/include/mem0pool.h +++ /dev/null @@ -1,136 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mem0pool.h -The lowest-level memory management - -Created 6/9/1994 Heikki Tuuri -*******************************************************/ - -#ifndef mem0pool_h -#define mem0pool_h - -#include "univ.i" -#include "os0file.h" -#include "ut0lst.h" - -/** Memory area header */ -typedef struct mem_area_struct mem_area_t; -/** Memory pool */ -typedef struct mem_pool_struct mem_pool_t; - -/** The common memory pool */ -extern mem_pool_t* mem_comm_pool; - -/** Memory area header */ - -struct mem_area_struct{ - ulint size_and_free; /*!< memory area size is obtained by - anding with ~MEM_AREA_FREE; area in - a free list if ANDing with - MEM_AREA_FREE results in nonzero */ - UT_LIST_NODE_T(mem_area_t) - free_list; /*!< free list node */ -}; - -/** Each memory area takes this many extra bytes for control information */ -#define MEM_AREA_EXTRA_SIZE (ut_calc_align(sizeof(struct mem_area_struct),\ - UNIV_MEM_ALIGNMENT)) - -/********************************************************************//** -Creates a memory pool. -@return memory pool */ -UNIV_INTERN -mem_pool_t* -mem_pool_create( -/*============*/ - ulint size); /*!< in: pool size in bytes */ -/********************************************************************//** -Frees a memory pool. */ -UNIV_INTERN -void -mem_pool_free( -/*==========*/ - mem_pool_t* pool); /*!< in, own: memory pool */ -/********************************************************************//** -Allocates memory from a pool. NOTE: This low-level function should only be -used in mem0mem.*! -@return own: allocated memory buffer */ -UNIV_INTERN -void* -mem_area_alloc( -/*===========*/ - ulint* psize, /*!< in: requested size in bytes; for optimum - space usage, the size should be a power of 2 - minus MEM_AREA_EXTRA_SIZE; - out: allocated size in bytes (greater than - or equal to the requested size) */ - mem_pool_t* pool); /*!< in: memory pool */ -/********************************************************************//** -Frees memory to a pool. */ -UNIV_INTERN -void -mem_area_free( -/*==========*/ - void* ptr, /*!< in, own: pointer to allocated memory - buffer */ - mem_pool_t* pool); /*!< in: memory pool */ -/********************************************************************//** -Returns the amount of reserved memory. -@return reserved mmeory in bytes */ -UNIV_INTERN -ulint -mem_pool_get_reserved( -/*==================*/ - mem_pool_t* pool); /*!< in: memory pool */ -/********************************************************************//** -Reserves the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_enter(void); -/*======================*/ -/********************************************************************//** -Releases the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_exit(void); -/*=====================*/ -/********************************************************************//** -Validates a memory pool. -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_pool_validate( -/*==============*/ - mem_pool_t* pool); /*!< in: memory pool */ -/********************************************************************//** -Prints info of a memory pool. */ -UNIV_INTERN -void -mem_pool_print_info( -/*================*/ - FILE* outfile,/*!< in: output file to write to */ - mem_pool_t* pool); /*!< in: memory pool */ - - -#ifndef UNIV_NONINL -#include "mem0pool.ic" -#endif - -#endif diff --git a/perfschema/include/mem0pool.ic b/perfschema/include/mem0pool.ic deleted file mode 100644 index b891dd6dea0..00000000000 --- a/perfschema/include/mem0pool.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/mem0pool.ic -The lowest-level memory management - -Created 6/8/1994 Heikki Tuuri -*************************************************************************/ diff --git a/perfschema/include/mtr0log.h b/perfschema/include/mtr0log.h deleted file mode 100644 index 6322af2a569..00000000000 --- a/perfschema/include/mtr0log.h +++ /dev/null @@ -1,250 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mtr0log.h -Mini-transaction logging routines - -Created 12/7/1995 Heikki Tuuri -*******************************************************/ - -#ifndef mtr0log_h -#define mtr0log_h - -#include "univ.i" -#include "mtr0mtr.h" -#include "dict0types.h" - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Writes 1 - 4 bytes to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_ulint( -/*=============*/ - byte* ptr, /*!< in: pointer where to write */ - ulint val, /*!< in: value to write */ - byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Writes 8 bytes to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_dulint( -/*==============*/ - byte* ptr, /*!< in: pointer where to write */ - dulint val, /*!< in: value to write */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Writes a string to a file page buffered in the buffer pool. Writes the -corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_string( -/*==============*/ - byte* ptr, /*!< in: pointer where to write */ - const byte* str, /*!< in: string to write */ - ulint len, /*!< in: string length */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Logs a write of a string to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_log_string( -/*============*/ - byte* ptr, /*!< in: pointer written to */ - ulint len, /*!< in: string length */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Writes initial part of a log record consisting of one-byte item -type and four-byte space and page numbers. */ -UNIV_INTERN -void -mlog_write_initial_log_record( -/*==========================*/ - const byte* ptr, /*!< in: pointer to (inside) a buffer - frame holding the file page where - modification is made */ - byte type, /*!< in: log item type: MLOG_1BYTE, ... */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Writes a log record about an .ibd file create/delete/rename. -@return new value of log_ptr */ -UNIV_INLINE -byte* -mlog_write_initial_log_record_for_file_op( -/*======================================*/ - ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or - MLOG_FILE_RENAME */ - ulint space_id,/*!< in: space id, if applicable */ - ulint page_no,/*!< in: page number (not relevant currently) */ - byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ - mtr_t* mtr); /*!< in: mtr */ -/********************************************************//** -Catenates 1 - 4 bytes to the mtr log. */ -UNIV_INLINE -void -mlog_catenate_ulint( -/*================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint val, /*!< in: value to write */ - ulint type); /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ -/********************************************************//** -Catenates n bytes to the mtr log. */ -UNIV_INTERN -void -mlog_catenate_string( -/*=================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* str, /*!< in: string to write */ - ulint len); /*!< in: string length */ -/********************************************************//** -Catenates a compressed ulint to mlog. */ -UNIV_INLINE -void -mlog_catenate_ulint_compressed( -/*===========================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint val); /*!< in: value to write */ -/********************************************************//** -Catenates a compressed dulint to mlog. */ -UNIV_INLINE -void -mlog_catenate_dulint_compressed( -/*============================*/ - mtr_t* mtr, /*!< in: mtr */ - dulint val); /*!< in: value to write */ -/********************************************************//** -Opens a buffer to mlog. It must be closed with mlog_close. -@return buffer, NULL if log mode MTR_LOG_NONE */ -UNIV_INLINE -byte* -mlog_open( -/*======*/ - mtr_t* mtr, /*!< in: mtr */ - ulint size); /*!< in: buffer size in bytes; MUST be - smaller than DYN_ARRAY_DATA_SIZE! */ -/********************************************************//** -Closes a buffer opened to mlog. */ -UNIV_INLINE -void -mlog_close( -/*=======*/ - mtr_t* mtr, /*!< in: mtr */ - byte* ptr); /*!< in: buffer space from ptr up was not used */ -/********************************************************//** -Writes the initial part of a log record (3..11 bytes). -If the implementation of this function is changed, all -size parameters to mlog_open() should be adjusted accordingly! -@return new value of log_ptr */ -UNIV_INLINE -byte* -mlog_write_initial_log_record_fast( -/*===============================*/ - const byte* ptr, /*!< in: pointer to (inside) a buffer - frame holding the file page where - modification is made */ - byte type, /*!< in: log item type: MLOG_1BYTE, ... */ - byte* log_ptr,/*!< in: pointer to mtr log which has - been opened */ - mtr_t* mtr); /*!< in: mtr */ -#else /* !UNIV_HOTBACKUP */ -# define mlog_write_initial_log_record(ptr,type,mtr) ((void) 0) -# define mlog_write_initial_log_record_fast(ptr,type,log_ptr,mtr) ((byte *) 0) -#endif /* !UNIV_HOTBACKUP */ -/********************************************************//** -Parses an initial log record written by mlog_write_initial_log_record. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_initial_log_record( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ - ulint* space, /*!< out: space id */ - ulint* page_no);/*!< out: page number */ -/********************************************************//** -Parses a log record written by mlog_write_ulint or mlog_write_dulint. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_nbytes( -/*==============*/ - ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* page, /*!< in: page where to apply the log record, or NULL */ - void* page_zip);/*!< in/out: compressed page, or NULL */ -/********************************************************//** -Parses a log record written by mlog_write_string. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_string( -/*==============*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* page, /*!< in: page where to apply the log record, or NULL */ - void* page_zip);/*!< in/out: compressed page, or NULL */ - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Opens a buffer for mlog, writes the initial log record and, -if needed, the field lengths of an index. Reserves space -for further log entries. The log entry must be closed with -mtr_close(). -@return buffer, NULL if log mode MTR_LOG_NONE */ -UNIV_INTERN -byte* -mlog_open_and_write_index( -/*======================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* rec, /*!< in: index record or page */ - dict_index_t* index, /*!< in: record descriptor */ - byte type, /*!< in: log item type */ - ulint size); /*!< in: requested buffer size in bytes - (if 0, calls mlog_close() and returns NULL) */ -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Parses a log record written by mlog_open_and_write_index. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_index( -/*=============*/ - byte* ptr, /*!< in: buffer */ - const byte* end_ptr,/*!< in: buffer end */ - ibool comp, /*!< in: TRUE=compact record format */ - dict_index_t** index); /*!< out, own: dummy index */ - -#ifndef UNIV_HOTBACKUP -/* Insert, update, and maybe other functions may use this value to define an -extra mlog buffer size for variable size data */ -#define MLOG_BUF_MARGIN 256 -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "mtr0log.ic" -#endif - -#endif diff --git a/perfschema/include/mtr0log.ic b/perfschema/include/mtr0log.ic deleted file mode 100644 index 5c24c38b337..00000000000 --- a/perfschema/include/mtr0log.ic +++ /dev/null @@ -1,274 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mtr0log.ic -Mini-transaction logging routines - -Created 12/7/1995 Heikki Tuuri -*******************************************************/ - -#include "mach0data.h" -#include "ut0lst.h" -#include "buf0buf.h" -#include "fsp0types.h" -#include "trx0sys.h" - -/********************************************************//** -Opens a buffer to mlog. It must be closed with mlog_close. -@return buffer, NULL if log mode MTR_LOG_NONE */ -UNIV_INLINE -byte* -mlog_open( -/*======*/ - mtr_t* mtr, /*!< in: mtr */ - ulint size) /*!< in: buffer size in bytes; MUST be - smaller than DYN_ARRAY_DATA_SIZE! */ -{ - dyn_array_t* mlog; - - mtr->modifications = TRUE; - - if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { - - return(NULL); - } - - mlog = &(mtr->log); - - return(dyn_array_open(mlog, size)); -} - -/********************************************************//** -Closes a buffer opened to mlog. */ -UNIV_INLINE -void -mlog_close( -/*=======*/ - mtr_t* mtr, /*!< in: mtr */ - byte* ptr) /*!< in: buffer space from ptr up was not used */ -{ - dyn_array_t* mlog; - - ut_ad(mtr_get_log_mode(mtr) != MTR_LOG_NONE); - - mlog = &(mtr->log); - - dyn_array_close(mlog, ptr); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Catenates 1 - 4 bytes to the mtr log. The value is not compressed. */ -UNIV_INLINE -void -mlog_catenate_ulint( -/*================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint val, /*!< in: value to write */ - ulint type) /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ -{ - dyn_array_t* mlog; - byte* ptr; - - if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { - - return; - } - - mlog = &(mtr->log); - -#if MLOG_1BYTE != 1 -# error "MLOG_1BYTE != 1" -#endif -#if MLOG_2BYTES != 2 -# error "MLOG_2BYTES != 2" -#endif -#if MLOG_4BYTES != 4 -# error "MLOG_4BYTES != 4" -#endif -#if MLOG_8BYTES != 8 -# error "MLOG_8BYTES != 8" -#endif - ptr = (byte*) dyn_array_push(mlog, type); - - if (type == MLOG_4BYTES) { - mach_write_to_4(ptr, val); - } else if (type == MLOG_2BYTES) { - mach_write_to_2(ptr, val); - } else { - ut_ad(type == MLOG_1BYTE); - mach_write_to_1(ptr, val); - } -} - -/********************************************************//** -Catenates a compressed ulint to mlog. */ -UNIV_INLINE -void -mlog_catenate_ulint_compressed( -/*===========================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint val) /*!< in: value to write */ -{ - byte* log_ptr; - - log_ptr = mlog_open(mtr, 10); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr += mach_write_compressed(log_ptr, val); - - mlog_close(mtr, log_ptr); -} - -/********************************************************//** -Catenates a compressed dulint to mlog. */ -UNIV_INLINE -void -mlog_catenate_dulint_compressed( -/*============================*/ - mtr_t* mtr, /*!< in: mtr */ - dulint val) /*!< in: value to write */ -{ - byte* log_ptr; - - log_ptr = mlog_open(mtr, 15); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr += mach_dulint_write_compressed(log_ptr, val); - - mlog_close(mtr, log_ptr); -} - -/********************************************************//** -Writes the initial part of a log record (3..11 bytes). -If the implementation of this function is changed, all -size parameters to mlog_open() should be adjusted accordingly! -@return new value of log_ptr */ -UNIV_INLINE -byte* -mlog_write_initial_log_record_fast( -/*===============================*/ - const byte* ptr, /*!< in: pointer to (inside) a buffer - frame holding the file page where - modification is made */ - byte type, /*!< in: log item type: MLOG_1BYTE, ... */ - byte* log_ptr,/*!< in: pointer to mtr log which has - been opened */ - mtr_t* mtr) /*!< in: mtr */ -{ -#ifdef UNIV_DEBUG - buf_block_t* block; -#endif - const byte* page; - ulint space; - ulint offset; - - ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); - ut_ad(type <= MLOG_BIGGEST_TYPE); - ut_ad(ptr && log_ptr); - - page = (const byte*) ut_align_down(ptr, UNIV_PAGE_SIZE); - space = mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - offset = mach_read_from_4(page + FIL_PAGE_OFFSET); - - /* check whether the page is in the doublewrite buffer; - the doublewrite buffer is located in pages - FSP_EXTENT_SIZE, ..., 3 * FSP_EXTENT_SIZE - 1 in the - system tablespace */ - if (space == TRX_SYS_SPACE - && offset >= FSP_EXTENT_SIZE && offset < 3 * FSP_EXTENT_SIZE) { - if (trx_doublewrite_buf_is_being_created) { - /* Do nothing: we only come to this branch in an - InnoDB database creation. We do not redo log - anything for the doublewrite buffer pages. */ - return(log_ptr); - } else { - fprintf(stderr, - "Error: trying to redo log a record of type " - "%d on page %lu of space %lu in the " - "doublewrite buffer, continuing anyway.\n" - "Please post a bug report to " - "bugs.mysql.com.\n", - type, offset, space); - } - } - - mach_write_to_1(log_ptr, type); - log_ptr++; - log_ptr += mach_write_compressed(log_ptr, space); - log_ptr += mach_write_compressed(log_ptr, offset); - - mtr->n_log_recs++; - -#ifdef UNIV_LOG_DEBUG - fprintf(stderr, - "Adding to mtr log record type %lu space %lu page no %lu\n", - (ulong) type, space, offset); -#endif - -#ifdef UNIV_DEBUG - /* We now assume that all x-latched pages have been modified! */ - block = (buf_block_t*) buf_block_align(ptr); - - if (!mtr_memo_contains(mtr, block, MTR_MEMO_MODIFY)) { - - mtr_memo_push(mtr, block, MTR_MEMO_MODIFY); - } -#endif - return(log_ptr); -} - -/********************************************************//** -Writes a log record about an .ibd file create/delete/rename. -@return new value of log_ptr */ -UNIV_INLINE -byte* -mlog_write_initial_log_record_for_file_op( -/*======================================*/ - ulint type, /*!< in: MLOG_FILE_CREATE, MLOG_FILE_DELETE, or - MLOG_FILE_RENAME */ - ulint space_id,/*!< in: space id, if applicable */ - ulint page_no,/*!< in: page number (not relevant currently) */ - byte* log_ptr,/*!< in: pointer to mtr log which has been opened */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(log_ptr); - - mach_write_to_1(log_ptr, type); - log_ptr++; - - /* We write dummy space id and page number */ - log_ptr += mach_write_compressed(log_ptr, space_id); - log_ptr += mach_write_compressed(log_ptr, page_no); - - mtr->n_log_recs++; - - return(log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mtr0mtr.h b/perfschema/include/mtr0mtr.h deleted file mode 100644 index bc3f1951be9..00000000000 --- a/perfschema/include/mtr0mtr.h +++ /dev/null @@ -1,419 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mtr0mtr.h -Mini-transaction buffer - -Created 11/26/1995 Heikki Tuuri -*******************************************************/ - -#ifndef mtr0mtr_h -#define mtr0mtr_h - -#include "univ.i" -#include "mem0mem.h" -#include "dyn0dyn.h" -#include "buf0types.h" -#include "sync0rw.h" -#include "ut0byte.h" -#include "mtr0types.h" -#include "page0types.h" - -/* Logging modes for a mini-transaction */ -#define MTR_LOG_ALL 21 /* default mode: log all operations - modifying disk-based data */ -#define MTR_LOG_NONE 22 /* log no operations */ -/*#define MTR_LOG_SPACE 23 */ /* log only operations modifying - file space page allocation data - (operations in fsp0fsp.* ) */ -#define MTR_LOG_SHORT_INSERTS 24 /* inserts are logged in a shorter - form */ - -/* Types for the mlock objects to store in the mtr memo; NOTE that the -first 3 values must be RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH */ -#define MTR_MEMO_PAGE_S_FIX RW_S_LATCH -#define MTR_MEMO_PAGE_X_FIX RW_X_LATCH -#define MTR_MEMO_BUF_FIX RW_NO_LATCH -#define MTR_MEMO_MODIFY 54 -#define MTR_MEMO_S_LOCK 55 -#define MTR_MEMO_X_LOCK 56 - -/** @name Log item types -The log items are declared 'byte' so that the compiler can warn if val -and type parameters are switched in a call to mlog_write_ulint. NOTE! -For 1 - 8 bytes, the flag value must give the length also! @{ */ -#define MLOG_SINGLE_REC_FLAG 128 /*!< if the mtr contains only - one log record for one page, - i.e., write_initial_log_record - has been called only once, - this flag is ORed to the type - of that first log record */ -#define MLOG_1BYTE (1) /*!< one byte is written */ -#define MLOG_2BYTES (2) /*!< 2 bytes ... */ -#define MLOG_4BYTES (4) /*!< 4 bytes ... */ -#define MLOG_8BYTES (8) /*!< 8 bytes ... */ -#define MLOG_REC_INSERT ((byte)9) /*!< record insert */ -#define MLOG_REC_CLUST_DELETE_MARK ((byte)10) /*!< mark clustered index record - deleted */ -#define MLOG_REC_SEC_DELETE_MARK ((byte)11) /*!< mark secondary index record - deleted */ -#define MLOG_REC_UPDATE_IN_PLACE ((byte)13) /*!< update of a record, - preserves record field sizes */ -#define MLOG_REC_DELETE ((byte)14) /*!< delete a record from a - page */ -#define MLOG_LIST_END_DELETE ((byte)15) /*!< delete record list end on - index page */ -#define MLOG_LIST_START_DELETE ((byte)16) /*!< delete record list start on - index page */ -#define MLOG_LIST_END_COPY_CREATED ((byte)17) /*!< copy record list end to a - new created index page */ -#define MLOG_PAGE_REORGANIZE ((byte)18) /*!< reorganize an - index page in - ROW_FORMAT=REDUNDANT */ -#define MLOG_PAGE_CREATE ((byte)19) /*!< create an index page */ -#define MLOG_UNDO_INSERT ((byte)20) /*!< insert entry in an undo - log */ -#define MLOG_UNDO_ERASE_END ((byte)21) /*!< erase an undo log - page end */ -#define MLOG_UNDO_INIT ((byte)22) /*!< initialize a page in an - undo log */ -#define MLOG_UNDO_HDR_DISCARD ((byte)23) /*!< discard an update undo log - header */ -#define MLOG_UNDO_HDR_REUSE ((byte)24) /*!< reuse an insert undo log - header */ -#define MLOG_UNDO_HDR_CREATE ((byte)25) /*!< create an undo - log header */ -#define MLOG_REC_MIN_MARK ((byte)26) /*!< mark an index - record as the - predefined minimum - record */ -#define MLOG_IBUF_BITMAP_INIT ((byte)27) /*!< initialize an - ibuf bitmap page */ -/*#define MLOG_FULL_PAGE ((byte)28) full contents of a page */ -#ifdef UNIV_LOG_LSN_DEBUG -# define MLOG_LSN ((byte)28) /* current LSN */ -#endif -#define MLOG_INIT_FILE_PAGE ((byte)29) /*!< this means that a - file page is taken - into use and the prior - contents of the page - should be ignored: in - recovery we must not - trust the lsn values - stored to the file - page */ -#define MLOG_WRITE_STRING ((byte)30) /*!< write a string to - a page */ -#define MLOG_MULTI_REC_END ((byte)31) /*!< if a single mtr writes - several log records, - this log record ends the - sequence of these records */ -#define MLOG_DUMMY_RECORD ((byte)32) /*!< dummy log record used to - pad a log block full */ -#define MLOG_FILE_CREATE ((byte)33) /*!< log record about an .ibd - file creation */ -#define MLOG_FILE_RENAME ((byte)34) /*!< log record about an .ibd - file rename */ -#define MLOG_FILE_DELETE ((byte)35) /*!< log record about an .ibd - file deletion */ -#define MLOG_COMP_REC_MIN_MARK ((byte)36) /*!< mark a compact - index record as the - predefined minimum - record */ -#define MLOG_COMP_PAGE_CREATE ((byte)37) /*!< create a compact - index page */ -#define MLOG_COMP_REC_INSERT ((byte)38) /*!< compact record insert */ -#define MLOG_COMP_REC_CLUST_DELETE_MARK ((byte)39) - /*!< mark compact - clustered index record - deleted */ -#define MLOG_COMP_REC_SEC_DELETE_MARK ((byte)40)/*!< mark compact - secondary index record - deleted; this log - record type is - redundant, as - MLOG_REC_SEC_DELETE_MARK - is independent of the - record format. */ -#define MLOG_COMP_REC_UPDATE_IN_PLACE ((byte)41)/*!< update of a - compact record, - preserves record field - sizes */ -#define MLOG_COMP_REC_DELETE ((byte)42) /*!< delete a compact record - from a page */ -#define MLOG_COMP_LIST_END_DELETE ((byte)43) /*!< delete compact record list - end on index page */ -#define MLOG_COMP_LIST_START_DELETE ((byte)44) /*!< delete compact record list - start on index page */ -#define MLOG_COMP_LIST_END_COPY_CREATED ((byte)45) - /*!< copy compact - record list end to a - new created index - page */ -#define MLOG_COMP_PAGE_REORGANIZE ((byte)46) /*!< reorganize an index page */ -#define MLOG_FILE_CREATE2 ((byte)47) /*!< log record about creating - an .ibd file, with format */ -#define MLOG_ZIP_WRITE_NODE_PTR ((byte)48) /*!< write the node pointer of - a record on a compressed - non-leaf B-tree page */ -#define MLOG_ZIP_WRITE_BLOB_PTR ((byte)49) /*!< write the BLOB pointer - of an externally stored column - on a compressed page */ -#define MLOG_ZIP_WRITE_HEADER ((byte)50) /*!< write to compressed page - header */ -#define MLOG_ZIP_PAGE_COMPRESS ((byte)51) /*!< compress an index page */ -#define MLOG_BIGGEST_TYPE ((byte)51) /*!< biggest value (used in - assertions) */ -/* @} */ - -/** @name Flags for MLOG_FILE operations -(stored in the page number parameter, called log_flags in the -functions). The page number parameter was originally written as 0. @{ */ -#define MLOG_FILE_FLAG_TEMP 1 /*!< identifies TEMPORARY TABLE in - MLOG_FILE_CREATE, MLOG_FILE_CREATE2 */ -/* @} */ - -/***************************************************************//** -Starts a mini-transaction and creates a mini-transaction handle -and buffer in the memory buffer given by the caller. -@return mtr buffer which also acts as the mtr handle */ -UNIV_INLINE -mtr_t* -mtr_start( -/*======*/ - mtr_t* mtr); /*!< in: memory buffer for the mtr buffer */ -/***************************************************************//** -Commits a mini-transaction. */ -UNIV_INTERN -void -mtr_commit( -/*=======*/ - mtr_t* mtr); /*!< in: mini-transaction */ -/**********************************************************//** -Sets and returns a savepoint in mtr. -@return savepoint */ -UNIV_INLINE -ulint -mtr_set_savepoint( -/*==============*/ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************//** -Releases the latches stored in an mtr memo down to a savepoint. -NOTE! The mtr must not have made changes to buffer pages after the -savepoint, as these can be handled only by mtr_commit. */ -UNIV_INTERN -void -mtr_rollback_to_savepoint( -/*======================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint savepoint); /*!< in: savepoint */ -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Releases the (index tree) s-latch stored in an mtr memo after a -savepoint. */ -UNIV_INLINE -void -mtr_release_s_latch_at_savepoint( -/*=============================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint savepoint, /*!< in: savepoint */ - rw_lock_t* lock); /*!< in: latch to release */ -#else /* !UNIV_HOTBACKUP */ -# define mtr_release_s_latch_at_savepoint(mtr,savepoint,lock) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ -/***************************************************************//** -Gets the logging mode of a mini-transaction. -@return logging mode: MTR_LOG_NONE, ... */ -UNIV_INLINE -ulint -mtr_get_log_mode( -/*=============*/ - mtr_t* mtr); /*!< in: mtr */ -/***************************************************************//** -Changes the logging mode of a mini-transaction. -@return old mode */ -UNIV_INLINE -ulint -mtr_set_log_mode( -/*=============*/ - mtr_t* mtr, /*!< in: mtr */ - ulint mode); /*!< in: logging mode: MTR_LOG_NONE, ... */ -/********************************************************//** -Reads 1 - 4 bytes from a file page buffered in the buffer pool. -@return value read */ -UNIV_INTERN -ulint -mtr_read_ulint( -/*===========*/ - const byte* ptr, /*!< in: pointer from where to read */ - ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -/********************************************************//** -Reads 8 bytes from a file page buffered in the buffer pool. -@return value read */ -UNIV_INTERN -dulint -mtr_read_dulint( -/*============*/ - const byte* ptr, /*!< in: pointer from where to read */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -This macro locks an rw-lock in s-mode. */ -#define mtr_s_lock(B, MTR) mtr_s_lock_func((B), __FILE__, __LINE__,\ - (MTR)) -/*********************************************************************//** -This macro locks an rw-lock in x-mode. */ -#define mtr_x_lock(B, MTR) mtr_x_lock_func((B), __FILE__, __LINE__,\ - (MTR)) -/*********************************************************************//** -NOTE! Use the macro above! -Locks a lock in s-mode. */ -UNIV_INLINE -void -mtr_s_lock_func( -/*============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line number */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************************//** -NOTE! Use the macro above! -Locks a lock in x-mode. */ -UNIV_INLINE -void -mtr_x_lock_func( -/*============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line number */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************//** -Releases an object in the memo stack. */ -UNIV_INTERN -void -mtr_memo_release( -/*=============*/ - mtr_t* mtr, /*!< in: mtr */ - void* object, /*!< in: object */ - ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ -#ifdef UNIV_DEBUG -# ifndef UNIV_HOTBACKUP -/**********************************************************//** -Checks if memo contains the given item. -@return TRUE if contains */ -UNIV_INLINE -ibool -mtr_memo_contains( -/*==============*/ - mtr_t* mtr, /*!< in: mtr */ - const void* object, /*!< in: object to search */ - ulint type); /*!< in: type of object */ - -/**********************************************************//** -Checks if memo contains the given page. -@return TRUE if contains */ -UNIV_INTERN -ibool -mtr_memo_contains_page( -/*===================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* ptr, /*!< in: pointer to buffer frame */ - ulint type); /*!< in: type of object */ -/*********************************************************//** -Prints info of an mtr handle. */ -UNIV_INTERN -void -mtr_print( -/*======*/ - mtr_t* mtr); /*!< in: mtr */ -# else /* !UNIV_HOTBACKUP */ -# define mtr_memo_contains(mtr, object, type) TRUE -# define mtr_memo_contains_page(mtr, ptr, type) TRUE -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_DEBUG */ -/*######################################################################*/ - -#define MTR_BUF_MEMO_SIZE 200 /* number of slots in memo */ - -/***************************************************************//** -Returns the log object of a mini-transaction buffer. -@return log */ -UNIV_INLINE -dyn_array_t* -mtr_get_log( -/*========*/ - mtr_t* mtr); /*!< in: mini-transaction */ -/***************************************************//** -Pushes an object to an mtr memo stack. */ -UNIV_INLINE -void -mtr_memo_push( -/*==========*/ - mtr_t* mtr, /*!< in: mtr */ - void* object, /*!< in: object */ - ulint type); /*!< in: object type: MTR_MEMO_S_LOCK, ... */ - - -/* Type definition of a mini-transaction memo stack slot. */ -typedef struct mtr_memo_slot_struct mtr_memo_slot_t; -struct mtr_memo_slot_struct{ - ulint type; /*!< type of the stored object (MTR_MEMO_S_LOCK, ...) */ - void* object; /*!< pointer to the object */ -}; - -/* Mini-transaction handle and buffer */ -struct mtr_struct{ -#ifdef UNIV_DEBUG - ulint state; /*!< MTR_ACTIVE, MTR_COMMITTING, MTR_COMMITTED */ -#endif - dyn_array_t memo; /*!< memo stack for locks etc. */ - dyn_array_t log; /*!< mini-transaction log */ - ibool modifications; - /* TRUE if the mtr made modifications to - buffer pool pages */ - ulint n_log_recs; - /* count of how many page initial log records - have been written to the mtr log */ - ulint log_mode; /* specifies which operations should be - logged; default value MTR_LOG_ALL */ - ib_uint64_t start_lsn;/* start lsn of the possible log entry for - this mtr */ - ib_uint64_t end_lsn;/* end lsn of the possible log entry for - this mtr */ -#ifdef UNIV_DEBUG - ulint magic_n; -#endif /* UNIV_DEBUG */ -}; - -#ifdef UNIV_DEBUG -# define MTR_MAGIC_N 54551 -#endif /* UNIV_DEBUG */ - -#define MTR_ACTIVE 12231 -#define MTR_COMMITTING 56456 -#define MTR_COMMITTED 34676 - -#ifndef UNIV_NONINL -#include "mtr0mtr.ic" -#endif - -#endif diff --git a/perfschema/include/mtr0mtr.ic b/perfschema/include/mtr0mtr.ic deleted file mode 100644 index eaf68e1b393..00000000000 --- a/perfschema/include/mtr0mtr.ic +++ /dev/null @@ -1,275 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mtr0mtr.ic -Mini-transaction buffer - -Created 11/26/1995 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_HOTBACKUP -# include "sync0sync.h" -# include "sync0rw.h" -#endif /* !UNIV_HOTBACKUP */ -#include "mach0data.h" - -/***************************************************************//** -Starts a mini-transaction and creates a mini-transaction handle -and a buffer in the memory buffer given by the caller. -@return mtr buffer which also acts as the mtr handle */ -UNIV_INLINE -mtr_t* -mtr_start( -/*======*/ - mtr_t* mtr) /*!< in: memory buffer for the mtr buffer */ -{ - dyn_array_create(&(mtr->memo)); - dyn_array_create(&(mtr->log)); - - mtr->log_mode = MTR_LOG_ALL; - mtr->modifications = FALSE; - mtr->n_log_recs = 0; - - ut_d(mtr->state = MTR_ACTIVE); - ut_d(mtr->magic_n = MTR_MAGIC_N); - - return(mtr); -} - -/***************************************************//** -Pushes an object to an mtr memo stack. */ -UNIV_INLINE -void -mtr_memo_push( -/*==========*/ - mtr_t* mtr, /*!< in: mtr */ - void* object, /*!< in: object */ - ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ -{ - dyn_array_t* memo; - mtr_memo_slot_t* slot; - - ut_ad(object); - ut_ad(type >= MTR_MEMO_PAGE_S_FIX); - ut_ad(type <= MTR_MEMO_X_LOCK); - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - - memo = &(mtr->memo); - - slot = (mtr_memo_slot_t*) dyn_array_push(memo, sizeof *slot); - - slot->object = object; - slot->type = type; -} - -/**********************************************************//** -Sets and returns a savepoint in mtr. -@return savepoint */ -UNIV_INLINE -ulint -mtr_set_savepoint( -/*==============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - dyn_array_t* memo; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - - memo = &(mtr->memo); - - return(dyn_array_get_data_size(memo)); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Releases the (index tree) s-latch stored in an mtr memo after a -savepoint. */ -UNIV_INLINE -void -mtr_release_s_latch_at_savepoint( -/*=============================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint savepoint, /*!< in: savepoint */ - rw_lock_t* lock) /*!< in: latch to release */ -{ - mtr_memo_slot_t* slot; - dyn_array_t* memo; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - - memo = &(mtr->memo); - - ut_ad(dyn_array_get_data_size(memo) > savepoint); - - slot = (mtr_memo_slot_t*) dyn_array_get_element(memo, savepoint); - - ut_ad(slot->object == lock); - ut_ad(slot->type == MTR_MEMO_S_LOCK); - - rw_lock_s_unlock(lock); - - slot->object = NULL; -} - -# ifdef UNIV_DEBUG -/**********************************************************//** -Checks if memo contains the given item. -@return TRUE if contains */ -UNIV_INLINE -ibool -mtr_memo_contains( -/*==============*/ - mtr_t* mtr, /*!< in: mtr */ - const void* object, /*!< in: object to search */ - ulint type) /*!< in: type of object */ -{ - mtr_memo_slot_t* slot; - dyn_array_t* memo; - ulint offset; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE || mtr->state == MTR_COMMITTING); - - memo = &(mtr->memo); - - offset = dyn_array_get_data_size(memo); - - while (offset > 0) { - offset -= sizeof(mtr_memo_slot_t); - - slot = dyn_array_get_element(memo, offset); - - if ((object == slot->object) && (type == slot->type)) { - - return(TRUE); - } - } - - return(FALSE); -} -# endif /* UNIV_DEBUG */ -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -Returns the log object of a mini-transaction buffer. -@return log */ -UNIV_INLINE -dyn_array_t* -mtr_get_log( -/*========*/ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - - return(&(mtr->log)); -} - -/***************************************************************//** -Gets the logging mode of a mini-transaction. -@return logging mode: MTR_LOG_NONE, ... */ -UNIV_INLINE -ulint -mtr_get_log_mode( -/*=============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mtr); - ut_ad(mtr->log_mode >= MTR_LOG_ALL); - ut_ad(mtr->log_mode <= MTR_LOG_SHORT_INSERTS); - - return(mtr->log_mode); -} - -/***************************************************************//** -Changes the logging mode of a mini-transaction. -@return old mode */ -UNIV_INLINE -ulint -mtr_set_log_mode( -/*=============*/ - mtr_t* mtr, /*!< in: mtr */ - ulint mode) /*!< in: logging mode: MTR_LOG_NONE, ... */ -{ - ulint old_mode; - - ut_ad(mtr); - ut_ad(mode >= MTR_LOG_ALL); - ut_ad(mode <= MTR_LOG_SHORT_INSERTS); - - old_mode = mtr->log_mode; - - if ((mode == MTR_LOG_SHORT_INSERTS) && (old_mode == MTR_LOG_NONE)) { - /* Do nothing */ - } else { - mtr->log_mode = mode; - } - - ut_ad(old_mode >= MTR_LOG_ALL); - ut_ad(old_mode <= MTR_LOG_SHORT_INSERTS); - - return(old_mode); -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Locks a lock in s-mode. */ -UNIV_INLINE -void -mtr_s_lock_func( -/*============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line number */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mtr); - ut_ad(lock); - - rw_lock_s_lock_func(lock, 0, file, line); - - mtr_memo_push(mtr, lock, MTR_MEMO_S_LOCK); -} - -/*********************************************************************//** -Locks a lock in x-mode. */ -UNIV_INLINE -void -mtr_x_lock_func( -/*============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - const char* file, /*!< in: file name */ - ulint line, /*!< in: line number */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mtr); - ut_ad(lock); - - rw_lock_x_lock_func(lock, 0, file, line); - - mtr_memo_push(mtr, lock, MTR_MEMO_X_LOCK); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/mtr0types.h b/perfschema/include/mtr0types.h deleted file mode 100644 index 83a7aaf3839..00000000000 --- a/perfschema/include/mtr0types.h +++ /dev/null @@ -1,31 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mtr0types.h -Mini-transaction buffer global types - -Created 11/26/1995 Heikki Tuuri -*******************************************************/ - -#ifndef mtr0types_h -#define mtr0types_h - -typedef struct mtr_struct mtr_t; - -#endif diff --git a/perfschema/include/mysql_addons.h b/perfschema/include/mysql_addons.h deleted file mode 100644 index 17660c18710..00000000000 --- a/perfschema/include/mysql_addons.h +++ /dev/null @@ -1,33 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/mysql_addons.h -This file contains functions that need to be added to -MySQL code but have not been added yet. - -Whenever you add a function here submit a MySQL bug -report (feature request) with the implementation. Then -write the bug number in the comment before the -function in this file. - -When MySQL commits the function it can be deleted from -here. In a perfect world this file exists but is empty. - -Created November 07, 2007 Vasil Dimov -*******************************************************/ diff --git a/perfschema/include/os0file.h b/perfschema/include/os0file.h deleted file mode 100644 index bb35362fc58..00000000000 --- a/perfschema/include/os0file.h +++ /dev/null @@ -1,811 +0,0 @@ -/*********************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ - -/**************************************************//** -@file include/os0file.h -The interface to the operating system file io - -Created 10/21/1995 Heikki Tuuri -*******************************************************/ - -#ifndef os0file_h -#define os0file_h - -#include "univ.i" - -#ifndef __WIN__ -#include -#include -#include -#endif - -/** File node of a tablespace or the log data space */ -typedef struct fil_node_struct fil_node_t; - -#ifdef UNIV_DO_FLUSH -extern ibool os_do_not_call_flush_at_each_write; -#endif /* UNIV_DO_FLUSH */ -extern ibool os_has_said_disk_full; -/** Flag: enable debug printout for asynchronous i/o */ -extern ibool os_aio_print_debug; - -/** Number of pending os_file_pread() operations */ -extern ulint os_file_n_pending_preads; -/** Number of pending os_file_pwrite() operations */ -extern ulint os_file_n_pending_pwrites; - -/** Number of pending read operations */ -extern ulint os_n_pending_reads; -/** Number of pending write operations */ -extern ulint os_n_pending_writes; - -#ifdef __WIN__ - -/** We define always WIN_ASYNC_IO, and check at run-time whether - the OS actually supports it: Win 95 does not, NT does. */ -#define WIN_ASYNC_IO - -/** Use unbuffered I/O */ -#define UNIV_NON_BUFFERED_IO - -#endif - -#ifdef __WIN__ -/** File handle */ -#define os_file_t HANDLE -/** Convert a C file descriptor to a native file handle -@param fd file descriptor -@return native file handle */ -#define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) -#else -/** File handle */ -typedef int os_file_t; -/** Convert a C file descriptor to a native file handle -@param fd file descriptor -@return native file handle */ -#define OS_FILE_FROM_FD(fd) fd -#endif - -/** Umask for creating files */ -extern ulint os_innodb_umask; - -/** The next value should be smaller or equal to the smallest sector size used -on any disk. A log block is required to be a portion of disk which is written -so that if the start and the end of a block get written to disk, then the -whole block gets written. This should be true even in most cases of a crash: -if this fails for a log block, then it is equivalent to a media failure in the -log. */ - -#define OS_FILE_LOG_BLOCK_SIZE 512 - -/** Options for file_create @{ */ -#define OS_FILE_OPEN 51 -#define OS_FILE_CREATE 52 -#define OS_FILE_OVERWRITE 53 -#define OS_FILE_OPEN_RAW 54 -#define OS_FILE_CREATE_PATH 55 -#define OS_FILE_OPEN_RETRY 56 /* for os_file_create() on - the first ibdata file */ - -#define OS_FILE_READ_ONLY 333 -#define OS_FILE_READ_WRITE 444 -#define OS_FILE_READ_ALLOW_DELETE 555 /* for ibbackup */ - -/* Options for file_create */ -#define OS_FILE_AIO 61 -#define OS_FILE_NORMAL 62 -/* @} */ - -/** Types for file create @{ */ -#define OS_DATA_FILE 100 -#define OS_LOG_FILE 101 -/* @} */ - -/** Error codes from os_file_get_last_error @{ */ -#define OS_FILE_NOT_FOUND 71 -#define OS_FILE_DISK_FULL 72 -#define OS_FILE_ALREADY_EXISTS 73 -#define OS_FILE_PATH_ERROR 74 -#define OS_FILE_AIO_RESOURCES_RESERVED 75 /* wait for OS aio resources - to become available again */ -#define OS_FILE_SHARING_VIOLATION 76 -#define OS_FILE_ERROR_NOT_SPECIFIED 77 -#define OS_FILE_INSUFFICIENT_RESOURCE 78 -#define OS_FILE_AIO_INTERRUPTED 79 -#define OS_FILE_OPERATION_ABORTED 80 -/* @} */ - -/** Types for aio operations @{ */ -#define OS_FILE_READ 10 -#define OS_FILE_WRITE 11 - -#define OS_FILE_LOG 256 /* This can be ORed to type */ -/* @} */ - -#define OS_AIO_N_PENDING_IOS_PER_THREAD 32 /*!< Win NT does not allow more - than 64 */ - -/** Modes for aio operations @{ */ -#define OS_AIO_NORMAL 21 /*!< Normal asynchronous i/o not for ibuf - pages or ibuf bitmap pages */ -#define OS_AIO_IBUF 22 /*!< Asynchronous i/o for ibuf pages or ibuf - bitmap pages */ -#define OS_AIO_LOG 23 /*!< Asynchronous i/o for the log */ -#define OS_AIO_SYNC 24 /*!< Asynchronous i/o where the calling thread - will itself wait for the i/o to complete, - doing also the job of the i/o-handler thread; - can be used for any pages, ibuf or non-ibuf. - This is used to save CPU time, as we can do - with fewer thread switches. Plain synchronous - i/o is not as good, because it must serialize - the file seek and read or write, causing a - bottleneck for parallelism. */ - -#define OS_AIO_SIMULATED_WAKE_LATER 512 /*!< This can be ORed to mode - in the call of os_aio(...), - if the caller wants to post several i/o - requests in a batch, and only after that - wake the i/o-handler thread; this has - effect only in simulated aio */ -/* @} */ - -#define OS_WIN31 1 /*!< Microsoft Windows 3.x */ -#define OS_WIN95 2 /*!< Microsoft Windows 95 */ -#define OS_WINNT 3 /*!< Microsoft Windows NT 3.x */ -#define OS_WIN2000 4 /*!< Microsoft Windows 2000 */ - -extern ulint os_n_file_reads; -extern ulint os_n_file_writes; -extern ulint os_n_fsyncs; - -/* File types for directory entry data type */ - -enum os_file_type_enum{ - OS_FILE_TYPE_UNKNOWN = 0, - OS_FILE_TYPE_FILE, /* regular file */ - OS_FILE_TYPE_DIR, /* directory */ - OS_FILE_TYPE_LINK /* symbolic link */ -}; -typedef enum os_file_type_enum os_file_type_t; - -/* Maximum path string length in bytes when referring to tables with in the -'./databasename/tablename.ibd' path format; we can allocate at least 2 buffers -of this size from the thread stack; that is why this should not be made much -bigger than 4000 bytes */ -#define OS_FILE_MAX_PATH 4000 - -/* Struct used in fetching information of a file in a directory */ -struct os_file_stat_struct{ - char name[OS_FILE_MAX_PATH]; /*!< path to a file */ - os_file_type_t type; /*!< file type */ - ib_int64_t size; /*!< file size */ - time_t ctime; /*!< creation time */ - time_t mtime; /*!< modification time */ - time_t atime; /*!< access time */ -}; -typedef struct os_file_stat_struct os_file_stat_t; - -#ifdef __WIN__ -typedef HANDLE os_file_dir_t; /*!< directory stream */ -#else -typedef DIR* os_file_dir_t; /*!< directory stream */ -#endif - -/***********************************************************************//** -Gets the operating system version. Currently works only on Windows. -@return OS_WIN95, OS_WIN31, OS_WINNT, or OS_WIN2000 */ -UNIV_INTERN -ulint -os_get_os_version(void); -/*===================*/ -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Creates the seek mutexes used in positioned reads and writes. */ -UNIV_INTERN -void -os_io_init_simple(void); -/*===================*/ -/***********************************************************************//** -Creates a temporary file. This function is like tmpfile(3), but -the temporary file is created in the MySQL temporary directory. -On Netware, this function is like tmpfile(3), because the C run-time -library of Netware does not expose the delete-on-close flag. -@return temporary file handle, or NULL on error */ - -FILE* -os_file_create_tmpfile(void); -/*========================*/ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************************//** -The os_file_opendir() function opens a directory stream corresponding to the -directory named by the dirname argument. The directory stream is positioned -at the first entry. In both Unix and Windows we automatically skip the '.' -and '..' items at the start of the directory listing. -@return directory stream, NULL if error */ -UNIV_INTERN -os_file_dir_t -os_file_opendir( -/*============*/ - const char* dirname, /*!< in: directory name; it must not - contain a trailing '\' or '/' */ - ibool error_is_fatal);/*!< in: TRUE if we should treat an - error as a fatal error; if we try to - open symlinks then we do not wish a - fatal error if it happens not to be - a directory */ -/***********************************************************************//** -Closes a directory stream. -@return 0 if success, -1 if failure */ -UNIV_INTERN -int -os_file_closedir( -/*=============*/ - os_file_dir_t dir); /*!< in: directory stream */ -/***********************************************************************//** -This function returns information of the next file in the directory. We jump -over the '.' and '..' entries in the directory. -@return 0 if ok, -1 if error, 1 if at the end of the directory */ -UNIV_INTERN -int -os_file_readdir_next_file( -/*======================*/ - const char* dirname,/*!< in: directory name or path */ - os_file_dir_t dir, /*!< in: directory stream */ - os_file_stat_t* info); /*!< in/out: buffer where the info is returned */ -/*****************************************************************//** -This function attempts to create a directory named pathname. The new directory -gets default permissions. On Unix, the permissions are (0770 & ~umask). If the -directory exists already, nothing is done and the call succeeds, unless the -fail_if_exists arguments is true. -@return TRUE if call succeeds, FALSE on error */ -UNIV_INTERN -ibool -os_file_create_directory( -/*=====================*/ - const char* pathname, /*!< in: directory name as - null-terminated string */ - ibool fail_if_exists);/*!< in: if TRUE, pre-existing directory - is treated as an error. */ -/****************************************************************//** -A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create_simple( -/*==================*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is - opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error), or - OS_FILE_CREATE_PATH if new file - (if exists, error) and subdirectories along - its path are created (if needed)*/ - ulint access_type,/*!< in: OS_FILE_READ_ONLY or - OS_FILE_READ_WRITE */ - ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/****************************************************************//** -A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create_simple_no_error_handling( -/*====================================*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file - is opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error) */ - ulint access_type,/*!< in: OS_FILE_READ_ONLY, - OS_FILE_READ_WRITE, or - OS_FILE_READ_ALLOW_DELETE; the last option is - used by a backup program reading the file */ - ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/****************************************************************//** -Tries to disable OS caching on an opened file descriptor. */ -UNIV_INTERN -void -os_file_set_nocache( -/*================*/ - int fd, /*!< in: file descriptor to alter */ - const char* file_name, /*!< in: file name, used in the - diagnostic message */ - const char* operation_name);/*!< in: "open" or "create"; used in the - diagnostic message */ -/****************************************************************//** -Opens an existing file or creates a new. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create( -/*===========*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file - is opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error), - OS_FILE_OVERWRITE if a new file is created - or an old overwritten; - OS_FILE_OPEN_RAW, if a raw device or disk - partition should be opened */ - ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, - non-buffered i/o is desired, - OS_FILE_NORMAL, if any normal file; - NOTE that it also depends on type, os_aio_.. - and srv_.. variables whether we really use - async i/o or unbuffered i/o: look in the - function source code for the exact rules */ - ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ - ibool* success);/*!< out: TRUE if succeed, FALSE if error */ -/***********************************************************************//** -Deletes a file. The file has to be closed before calling this. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_delete( -/*===========*/ - const char* name); /*!< in: file path as a null-terminated string */ - -/***********************************************************************//** -Deletes a file if it exists. The file has to be closed before calling this. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_delete_if_exists( -/*=====================*/ - const char* name); /*!< in: file path as a null-terminated string */ -/***********************************************************************//** -Renames a file (can also move it to another directory). It is safest that the -file is closed before calling this function. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_rename( -/*===========*/ - const char* oldpath, /*!< in: old file path as a - null-terminated string */ - const char* newpath); /*!< in: new file path */ -/***********************************************************************//** -Closes a file handle. In case of error, error number can be retrieved with -os_file_get_last_error. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_close( -/*==========*/ - os_file_t file); /*!< in, own: handle to a file */ -#ifdef UNIV_HOTBACKUP -/***********************************************************************//** -Closes a file handle. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_close_no_error_handling( -/*============================*/ - os_file_t file); /*!< in, own: handle to a file */ -#endif /* UNIV_HOTBACKUP */ -/***********************************************************************//** -Gets a file size. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_get_size( -/*=============*/ - os_file_t file, /*!< in: handle to a file */ - ulint* size, /*!< out: least significant 32 bits of file - size */ - ulint* size_high);/*!< out: most significant 32 bits of size */ -/***********************************************************************//** -Gets file size as a 64-bit integer ib_int64_t. -@return size in bytes, -1 if error */ -UNIV_INTERN -ib_int64_t -os_file_get_size_as_iblonglong( -/*===========================*/ - os_file_t file); /*!< in: handle to a file */ -/***********************************************************************//** -Write the specified number of zeros to a newly created file. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_set_size( -/*=============*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - os_file_t file, /*!< in: handle to a file */ - ulint size, /*!< in: least significant 32 bits of file - size */ - ulint size_high);/*!< in: most significant 32 bits of size */ -/***********************************************************************//** -Truncates a file at its current position. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_set_eof( -/*============*/ - FILE* file); /*!< in: file to be truncated */ -/***********************************************************************//** -Flushes the write buffers of a given file to the disk. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_flush( -/*==========*/ - os_file_t file); /*!< in, own: handle to a file */ -/***********************************************************************//** -Retrieves the last error number if an error occurs in a file io function. -The number should be retrieved before any other OS calls (because they may -overwrite the error number). If the number is not known to this program, -the OS error number + 100 is returned. -@return error number, or OS error number + 100 */ -UNIV_INTERN -ulint -os_file_get_last_error( -/*===================*/ - ibool report_all_errors); /*!< in: TRUE if we want an error message - printed of all errors */ -/*******************************************************************//** -Requests a synchronous read operation. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_read( -/*=========*/ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to read */ - ulint offset_high,/*!< in: most significant 32 bits of - offset */ - ulint n); /*!< in: number of bytes to read */ -/*******************************************************************//** -Rewind file to its start, read at most size - 1 bytes from it to str, and -NUL-terminate str. All errors are silently ignored. This function is -mostly meant to be used with temporary files. */ -UNIV_INTERN -void -os_file_read_string( -/*================*/ - FILE* file, /*!< in: file to read from */ - char* str, /*!< in: buffer where to read */ - ulint size); /*!< in: size of buffer */ -/*******************************************************************//** -Requests a synchronous positioned read operation. This function does not do -any error handling. In case of error it returns FALSE. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_read_no_error_handling( -/*===========================*/ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to read */ - ulint offset_high,/*!< in: most significant 32 bits of - offset */ - ulint n); /*!< in: number of bytes to read */ - -/*******************************************************************//** -Requests a synchronous write operation. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_write( -/*==========*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - os_file_t file, /*!< in: handle to a file */ - const void* buf, /*!< in: buffer from which to write */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to write */ - ulint offset_high,/*!< in: most significant 32 bits of - offset */ - ulint n); /*!< in: number of bytes to write */ -/*******************************************************************//** -Check the existence and type of the given file. -@return TRUE if call succeeded */ -UNIV_INTERN -ibool -os_file_status( -/*===========*/ - const char* path, /*!< in: pathname of the file */ - ibool* exists, /*!< out: TRUE if file exists */ - os_file_type_t* type); /*!< out: type of the file (if it exists) */ -/****************************************************************//** -The function os_file_dirname returns a directory component of a -null-terminated pathname string. In the usual case, dirname returns -the string up to, but not including, the final '/', and basename -is the component following the final '/'. Trailing '/' charac­ -ters are not counted as part of the pathname. - -If path does not contain a slash, dirname returns the string ".". - -Concatenating the string returned by dirname, a "/", and the basename -yields a complete pathname. - -The return value is a copy of the directory component of the pathname. -The copy is allocated from heap. It is the caller responsibility -to free it after it is no longer needed. - -The following list of examples (taken from SUSv2) shows the strings -returned by dirname and basename for different paths: - - path dirname basename - "/usr/lib" "/usr" "lib" - "/usr/" "/" "usr" - "usr" "." "usr" - "/" "/" "/" - "." "." "." - ".." "." ".." - -@return own: directory component of the pathname */ -UNIV_INTERN -char* -os_file_dirname( -/*============*/ - const char* path); /*!< in: pathname */ -/****************************************************************//** -Creates all missing subdirectories along the given path. -@return TRUE if call succeeded FALSE otherwise */ -UNIV_INTERN -ibool -os_file_create_subdirs_if_needed( -/*=============================*/ - const char* path); /*!< in: path name */ -/*********************************************************************** -Initializes the asynchronous io system. Creates one array each for ibuf -and log i/o. Also creates one array each for read and write where each -array is divided logically into n_read_segs and n_write_segs -respectively. The caller must create an i/o handler thread for each -segment in these arrays. This function also creates the sync array. -No i/o handler thread needs to be created for that */ -UNIV_INTERN -ibool -os_aio_init( -/*========*/ - ulint n_per_seg, /* -#include -#endif - -typedef void* os_process_t; -typedef unsigned long int os_process_id_t; - -extern ibool os_use_large_pages; -/* Large page size. This may be a boot-time option on some platforms */ -extern ulint os_large_page_size; - -/****************************************************************//** -Converts the current process id to a number. It is not guaranteed that the -number is unique. In Linux returns the 'process number' of the current -thread. That number is the same as one sees in 'top', for example. In Linux -the thread id is not the same as one sees in 'top'. -@return process id as a number */ -UNIV_INTERN -ulint -os_proc_get_number(void); -/*====================*/ -/****************************************************************//** -Allocates large pages memory. -@return allocated memory */ -UNIV_INTERN -void* -os_mem_alloc_large( -/*===============*/ - ulint* n); /*!< in/out: number of bytes */ -/****************************************************************//** -Frees large pages memory. */ -UNIV_INTERN -void -os_mem_free_large( -/*==============*/ - void *ptr, /*!< in: pointer returned by - os_mem_alloc_large() */ - ulint size); /*!< in: size returned by - os_mem_alloc_large() */ - -#ifndef UNIV_NONINL -#include "os0proc.ic" -#endif - -#endif diff --git a/perfschema/include/os0proc.ic b/perfschema/include/os0proc.ic deleted file mode 100644 index c9641644525..00000000000 --- a/perfschema/include/os0proc.ic +++ /dev/null @@ -1,27 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0proc.ic -The interface to the operating system -process control primitives - -Created 9/30/1995 Heikki Tuuri -*******************************************************/ - - diff --git a/perfschema/include/os0sync.h b/perfschema/include/os0sync.h deleted file mode 100644 index 0c22162b900..00000000000 --- a/perfschema/include/os0sync.h +++ /dev/null @@ -1,445 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0sync.h -The interface to the operating system -synchronization primitives. - -Created 9/6/1995 Heikki Tuuri -*******************************************************/ - -#ifndef os0sync_h -#define os0sync_h - -#include "univ.i" -#include "ut0lst.h" - -#ifdef __WIN__ - -/** Native mutex */ -#define os_fast_mutex_t CRITICAL_SECTION - -/** Native event */ -typedef HANDLE os_native_event_t; - -/** Operating system event */ -typedef struct os_event_struct os_event_struct_t; -/** Operating system event handle */ -typedef os_event_struct_t* os_event_t; - -/** An asynchronous signal sent between threads */ -struct os_event_struct { - os_native_event_t handle; - /*!< Windows event */ - UT_LIST_NODE_T(os_event_struct_t) os_event_list; - /*!< list of all created events */ -}; -#else -/** Native mutex */ -typedef pthread_mutex_t os_fast_mutex_t; - -/** Operating system event */ -typedef struct os_event_struct os_event_struct_t; -/** Operating system event handle */ -typedef os_event_struct_t* os_event_t; - -/** An asynchronous signal sent between threads */ -struct os_event_struct { - os_fast_mutex_t os_mutex; /*!< this mutex protects the next - fields */ - ibool is_set; /*!< this is TRUE when the event is - in the signaled state, i.e., a thread - does not stop if it tries to wait for - this event */ - ib_int64_t signal_count; /*!< this is incremented each time - the event becomes signaled */ - pthread_cond_t cond_var; /*!< condition variable is used in - waiting for the event */ - UT_LIST_NODE_T(os_event_struct_t) os_event_list; - /*!< list of all created events */ -}; -#endif - -/** Operating system mutex */ -typedef struct os_mutex_struct os_mutex_str_t; -/** Operating system mutex handle */ -typedef os_mutex_str_t* os_mutex_t; - -/** Denotes an infinite delay for os_event_wait_time() */ -#define OS_SYNC_INFINITE_TIME ((ulint)(-1)) - -/** Return value of os_event_wait_time() when the time is exceeded */ -#define OS_SYNC_TIME_EXCEEDED 1 - -/** Mutex protecting counts and the event and OS 'slow' mutex lists */ -extern os_mutex_t os_sync_mutex; - -/** This is incremented by 1 in os_thread_create and decremented by 1 in -os_thread_exit */ -extern ulint os_thread_count; - -extern ulint os_event_count; -extern ulint os_mutex_count; -extern ulint os_fast_mutex_count; - -/*********************************************************//** -Initializes global event and OS 'slow' mutex lists. */ -UNIV_INTERN -void -os_sync_init(void); -/*==============*/ -/*********************************************************//** -Frees created events and OS 'slow' mutexes. */ -UNIV_INTERN -void -os_sync_free(void); -/*==============*/ -/*********************************************************//** -Creates an event semaphore, i.e., a semaphore which may just have two states: -signaled and nonsignaled. The created event is manual reset: it must be reset -explicitly by calling sync_os_reset_event. -@return the event handle */ -UNIV_INTERN -os_event_t -os_event_create( -/*============*/ - const char* name); /*!< in: the name of the event, if NULL - the event is created without a name */ -/**********************************************************//** -Sets an event semaphore to the signaled state: lets waiting threads -proceed. */ -UNIV_INTERN -void -os_event_set( -/*=========*/ - os_event_t event); /*!< in: event to set */ -/**********************************************************//** -Resets an event semaphore to the nonsignaled state. Waiting threads will -stop to wait for the event. -The return value should be passed to os_even_wait_low() if it is desired -that this thread should not wait in case of an intervening call to -os_event_set() between this os_event_reset() and the -os_event_wait_low() call. See comments for os_event_wait_low(). */ -UNIV_INTERN -ib_int64_t -os_event_reset( -/*===========*/ - os_event_t event); /*!< in: event to reset */ -/**********************************************************//** -Frees an event object. */ -UNIV_INTERN -void -os_event_free( -/*==========*/ - os_event_t event); /*!< in: event to free */ - -/**********************************************************//** -Waits for an event object until it is in the signaled state. If -srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the -waiting thread when the event becomes signaled (or immediately if the -event is already in the signaled state). - -Typically, if the event has been signalled after the os_event_reset() -we'll return immediately because event->is_set == TRUE. -There are, however, situations (e.g.: sync_array code) where we may -lose this information. For example: - -thread A calls os_event_reset() -thread B calls os_event_set() [event->is_set == TRUE] -thread C calls os_event_reset() [event->is_set == FALSE] -thread A calls os_event_wait() [infinite wait!] -thread C calls os_event_wait() [infinite wait!] - -Where such a scenario is possible, to avoid infinite wait, the -value returned by os_event_reset() should be passed in as -reset_sig_count. */ -UNIV_INTERN -void -os_event_wait_low( -/*==============*/ - os_event_t event, /*!< in: event to wait */ - ib_int64_t reset_sig_count);/*!< in: zero or the value - returned by previous call of - os_event_reset(). */ - -#define os_event_wait(event) os_event_wait_low(event, 0) - -/**********************************************************//** -Waits for an event object until it is in the signaled state or -a timeout is exceeded. In Unix the timeout is always infinite. -@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ -UNIV_INTERN -ulint -os_event_wait_time( -/*===============*/ - os_event_t event, /*!< in: event to wait */ - ulint time); /*!< in: timeout in microseconds, or - OS_SYNC_INFINITE_TIME */ -#ifdef __WIN__ -/**********************************************************//** -Waits for any event in an OS native event array. Returns if even a single -one is signaled or becomes signaled. -@return index of the event which was signaled */ -UNIV_INTERN -ulint -os_event_wait_multiple( -/*===================*/ - ulint n, /*!< in: number of events in the - array */ - os_native_event_t* native_event_array); - /*!< in: pointer to an array of event - handles */ -#endif -/*********************************************************//** -Creates an operating system mutex semaphore. Because these are slow, the -mutex semaphore of InnoDB itself (mutex_t) should be used where possible. -@return the mutex handle */ -UNIV_INTERN -os_mutex_t -os_mutex_create( -/*============*/ - const char* name); /*!< in: the name of the mutex, if NULL - the mutex is created without a name */ -/**********************************************************//** -Acquires ownership of a mutex semaphore. */ -UNIV_INTERN -void -os_mutex_enter( -/*===========*/ - os_mutex_t mutex); /*!< in: mutex to acquire */ -/**********************************************************//** -Releases ownership of a mutex. */ -UNIV_INTERN -void -os_mutex_exit( -/*==========*/ - os_mutex_t mutex); /*!< in: mutex to release */ -/**********************************************************//** -Frees an mutex object. */ -UNIV_INTERN -void -os_mutex_free( -/*==========*/ - os_mutex_t mutex); /*!< in: mutex to free */ -/**********************************************************//** -Acquires ownership of a fast mutex. Currently in Windows this is the same -as os_fast_mutex_lock! -@return 0 if success, != 0 if was reserved by another thread */ -UNIV_INLINE -ulint -os_fast_mutex_trylock( -/*==================*/ - os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ -/**********************************************************//** -Releases ownership of a fast mutex. */ -UNIV_INTERN -void -os_fast_mutex_unlock( -/*=================*/ - os_fast_mutex_t* fast_mutex); /*!< in: mutex to release */ -/*********************************************************//** -Initializes an operating system fast mutex semaphore. */ -UNIV_INTERN -void -os_fast_mutex_init( -/*===============*/ - os_fast_mutex_t* fast_mutex); /*!< in: fast mutex */ -/**********************************************************//** -Acquires ownership of a fast mutex. */ -UNIV_INTERN -void -os_fast_mutex_lock( -/*===============*/ - os_fast_mutex_t* fast_mutex); /*!< in: mutex to acquire */ -/**********************************************************//** -Frees an mutex object. */ -UNIV_INTERN -void -os_fast_mutex_free( -/*===============*/ - os_fast_mutex_t* fast_mutex); /*!< in: mutex to free */ - -/**********************************************************//** -Atomic compare-and-swap and increment for InnoDB. */ - -#if defined(HAVE_IB_GCC_ATOMIC_BUILTINS) - -#define HAVE_ATOMIC_BUILTINS - -/**********************************************************//** -Returns true if swapped, ptr is pointer to target, old_val is value to -compare to, new_val is the value to swap in. */ - -# define os_compare_and_swap(ptr, old_val, new_val) \ - __sync_bool_compare_and_swap(ptr, old_val, new_val) - -# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ - os_compare_and_swap(ptr, old_val, new_val) - -# define os_compare_and_swap_lint(ptr, old_val, new_val) \ - os_compare_and_swap(ptr, old_val, new_val) - -# ifdef HAVE_IB_ATOMIC_PTHREAD_T_GCC -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ - os_compare_and_swap(ptr, old_val, new_val) -# define INNODB_RW_LOCKS_USE_ATOMICS -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes and rw_locks use GCC atomic builtins" -# else /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes use GCC atomic builtins, rw_locks do not" -# endif /* HAVE_IB_ATOMIC_PTHREAD_T_GCC */ - -/**********************************************************//** -Returns the resulting value, ptr is pointer to target, amount is the -amount of increment. */ - -# define os_atomic_increment(ptr, amount) \ - __sync_add_and_fetch(ptr, amount) - -# define os_atomic_increment_lint(ptr, amount) \ - os_atomic_increment(ptr, amount) - -# define os_atomic_increment_ulint(ptr, amount) \ - os_atomic_increment(ptr, amount) - -/**********************************************************//** -Returns the old value of *ptr, atomically sets *ptr to new_val */ - -# define os_atomic_test_and_set_byte(ptr, new_val) \ - __sync_lock_test_and_set(ptr, new_val) - -#elif defined(HAVE_IB_SOLARIS_ATOMICS) - -#define HAVE_ATOMIC_BUILTINS - -/* If not compiling with GCC or GCC doesn't support the atomic -intrinsics and running on Solaris >= 10 use Solaris atomics */ - -#include - -/**********************************************************//** -Returns true if swapped, ptr is pointer to target, old_val is value to -compare to, new_val is the value to swap in. */ - -# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ - (atomic_cas_ulong(ptr, old_val, new_val) == old_val) - -# define os_compare_and_swap_lint(ptr, old_val, new_val) \ - ((lint)atomic_cas_ulong((ulong_t*) ptr, old_val, new_val) == old_val) - -# ifdef HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS -# if SIZEOF_PTHREAD_T == 4 -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ - ((pthread_t)atomic_cas_32(ptr, old_val, new_val) == old_val) -# elif SIZEOF_PTHREAD_T == 8 -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ - ((pthread_t)atomic_cas_64(ptr, old_val, new_val) == old_val) -# else -# error "SIZEOF_PTHREAD_T != 4 or 8" -# endif /* SIZEOF_PTHREAD_T CHECK */ -# define INNODB_RW_LOCKS_USE_ATOMICS -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes and rw_locks use Solaris atomic functions" -# else /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes use Solaris atomic functions, rw_locks do not" -# endif /* HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS */ - -/**********************************************************//** -Returns the resulting value, ptr is pointer to target, amount is the -amount of increment. */ - -# define os_atomic_increment_lint(ptr, amount) \ - atomic_add_long_nv((ulong_t*) ptr, amount) - -# define os_atomic_increment_ulint(ptr, amount) \ - atomic_add_long_nv(ptr, amount) - -/**********************************************************//** -Returns the old value of *ptr, atomically sets *ptr to new_val */ - -# define os_atomic_test_and_set_byte(ptr, new_val) \ - atomic_swap_uchar(ptr, new_val) - -#elif defined(HAVE_WINDOWS_ATOMICS) - -#define HAVE_ATOMIC_BUILTINS - -/* On Windows, use Windows atomics / interlocked */ -# ifdef _WIN64 -# define win_cmp_and_xchg InterlockedCompareExchange64 -# define win_xchg_and_add InterlockedExchangeAdd64 -# else /* _WIN64 */ -# define win_cmp_and_xchg InterlockedCompareExchange -# define win_xchg_and_add InterlockedExchangeAdd -# endif - -/**********************************************************//** -Returns true if swapped, ptr is pointer to target, old_val is value to -compare to, new_val is the value to swap in. */ - -# define os_compare_and_swap_ulint(ptr, old_val, new_val) \ - (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) - -# define os_compare_and_swap_lint(ptr, old_val, new_val) \ - (win_cmp_and_xchg(ptr, new_val, old_val) == old_val) - -/* windows thread objects can always be passed to windows atomic functions */ -# define os_compare_and_swap_thread_id(ptr, old_val, new_val) \ - (InterlockedCompareExchange(ptr, new_val, old_val) == old_val) -# define INNODB_RW_LOCKS_USE_ATOMICS -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes and rw_locks use Windows interlocked functions" - -/**********************************************************//** -Returns the resulting value, ptr is pointer to target, amount is the -amount of increment. */ - -# define os_atomic_increment_lint(ptr, amount) \ - (win_xchg_and_add(ptr, amount) + amount) - -# define os_atomic_increment_ulint(ptr, amount) \ - ((ulint) (win_xchg_and_add(ptr, amount) + amount)) - -/**********************************************************//** -Returns the old value of *ptr, atomically sets *ptr to new_val. -InterlockedExchange() operates on LONG, and the LONG will be -clobbered */ - -# define os_atomic_test_and_set_byte(ptr, new_val) \ - ((byte) InterlockedExchange(ptr, new_val)) - -#else -# define IB_ATOMICS_STARTUP_MSG \ - "Mutexes and rw_locks use InnoDB's own implementation" -#endif - -#ifndef UNIV_NONINL -#include "os0sync.ic" -#endif - -#endif diff --git a/perfschema/include/os0sync.ic b/perfschema/include/os0sync.ic deleted file mode 100644 index 1f3ce38fa65..00000000000 --- a/perfschema/include/os0sync.ic +++ /dev/null @@ -1,53 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0sync.ic -The interface to the operating system synchronization primitives. - -Created 9/6/1995 Heikki Tuuri -*******************************************************/ - -#ifdef __WIN__ -#include -#endif - -/**********************************************************//** -Acquires ownership of a fast mutex. Currently in Windows this is the same -as os_fast_mutex_lock! -@return 0 if success, != 0 if was reserved by another thread */ -UNIV_INLINE -ulint -os_fast_mutex_trylock( -/*==================*/ - os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ -{ -#ifdef __WIN__ - EnterCriticalSection(fast_mutex); - - return(0); -#else - /* NOTE that the MySQL my_pthread.h redefines pthread_mutex_trylock - so that it returns 0 on success. In the operating system - libraries, HP-UX-10.20 follows the old Posix 1003.4a Draft 4 and - returns 1 on success (but MySQL remaps that to 0), while Linux, - FreeBSD, Solaris, AIX, Tru64 Unix, HP-UX-11.0 return 0 on success. */ - - return((ulint) pthread_mutex_trylock(fast_mutex)); -#endif -} diff --git a/perfschema/include/os0thread.h b/perfschema/include/os0thread.h deleted file mode 100644 index 6583de0005f..00000000000 --- a/perfschema/include/os0thread.h +++ /dev/null @@ -1,162 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0thread.h -The interface to the operating system -process and thread control primitives - -Created 9/8/1995 Heikki Tuuri -*******************************************************/ - -#ifndef os0thread_h -#define os0thread_h - -#include "univ.i" - -/* Maximum number of threads which can be created in the program; -this is also the size of the wait slot array for MySQL threads which -can wait inside InnoDB */ - -#define OS_THREAD_MAX_N srv_max_n_threads - - -/* Possible fixed priorities for threads */ -#define OS_THREAD_PRIORITY_NONE 100 -#define OS_THREAD_PRIORITY_BACKGROUND 1 -#define OS_THREAD_PRIORITY_NORMAL 2 -#define OS_THREAD_PRIORITY_ABOVE_NORMAL 3 - -#ifdef __WIN__ -typedef void* os_thread_t; -typedef unsigned long os_thread_id_t; /*!< In Windows the thread id - is an unsigned long int */ -#else -typedef pthread_t os_thread_t; -typedef os_thread_t os_thread_id_t; /*!< In Unix we use the thread - handle itself as the id of - the thread */ -#endif - -/* Define a function pointer type to use in a typecast */ -typedef void* (*os_posix_f_t) (void*); - -/***************************************************************//** -Compares two thread ids for equality. -@return TRUE if equal */ -UNIV_INTERN -ibool -os_thread_eq( -/*=========*/ - os_thread_id_t a, /*!< in: OS thread or thread id */ - os_thread_id_t b); /*!< in: OS thread or thread id */ -/****************************************************************//** -Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is -unique for the thread though! -@return thread identifier as a number */ -UNIV_INTERN -ulint -os_thread_pf( -/*=========*/ - os_thread_id_t a); /*!< in: OS thread identifier */ -/****************************************************************//** -Creates a new thread of execution. The execution starts from -the function given. The start function takes a void* parameter -and returns a ulint. -NOTE: We count the number of threads in os_thread_exit(). A created -thread should always use that to exit and not use return() to exit. -@return handle to the thread */ -UNIV_INTERN -os_thread_t -os_thread_create( -/*=============*/ -#ifndef __WIN__ - os_posix_f_t start_f, -#else - ulint (*start_f)(void*), /*!< in: pointer to function - from which to start */ -#endif - void* arg, /*!< in: argument to start - function */ - os_thread_id_t* thread_id); /*!< out: id of the created - thread, or NULL */ - -/*****************************************************************//** -Exits the current thread. */ -UNIV_INTERN -void -os_thread_exit( -/*===========*/ - void* exit_value); /*!< in: exit value; in Windows this void* - is cast as a DWORD */ -/*****************************************************************//** -Returns the thread identifier of current thread. -@return current thread identifier */ -UNIV_INTERN -os_thread_id_t -os_thread_get_curr_id(void); -/*========================*/ -/*****************************************************************//** -Returns handle to the current thread. -@return current thread handle */ -UNIV_INTERN -os_thread_t -os_thread_get_curr(void); -/*====================*/ -/*****************************************************************//** -Advises the os to give up remainder of the thread's time slice. */ -UNIV_INTERN -void -os_thread_yield(void); -/*=================*/ -/*****************************************************************//** -The thread sleeps at least the time given in microseconds. */ -UNIV_INTERN -void -os_thread_sleep( -/*============*/ - ulint tm); /*!< in: time in microseconds */ -/******************************************************************//** -Gets a thread priority. -@return priority */ -UNIV_INTERN -ulint -os_thread_get_priority( -/*===================*/ - os_thread_t handle);/*!< in: OS handle to the thread */ -/******************************************************************//** -Sets a thread priority. */ -UNIV_INTERN -void -os_thread_set_priority( -/*===================*/ - os_thread_t handle, /*!< in: OS handle to the thread */ - ulint pri); /*!< in: priority: one of OS_PRIORITY_... */ -/******************************************************************//** -Gets the last operating system error code for the calling thread. -@return last error on Windows, 0 otherwise */ -UNIV_INTERN -ulint -os_thread_get_last_error(void); -/*==========================*/ - -#ifndef UNIV_NONINL -#include "os0thread.ic" -#endif - -#endif diff --git a/perfschema/include/os0thread.ic b/perfschema/include/os0thread.ic deleted file mode 100644 index f89bc40b4fa..00000000000 --- a/perfschema/include/os0thread.ic +++ /dev/null @@ -1,25 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0thread.ic -The interface to the operating system -process and thread control primitives - -Created 9/8/1995 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/page0cur.h b/perfschema/include/page0cur.h deleted file mode 100644 index 1544b0abe1c..00000000000 --- a/perfschema/include/page0cur.h +++ /dev/null @@ -1,346 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/page0cur.h -The page cursor - -Created 10/4/1994 Heikki Tuuri -*************************************************************************/ - -#ifndef page0cur_h -#define page0cur_h - -#include "univ.i" - -#include "buf0types.h" -#include "page0page.h" -#include "rem0rec.h" -#include "data0data.h" -#include "mtr0mtr.h" - - -#define PAGE_CUR_ADAPT - -/* Page cursor search modes; the values must be in this order! */ - -#define PAGE_CUR_UNSUPP 0 -#define PAGE_CUR_G 1 -#define PAGE_CUR_GE 2 -#define PAGE_CUR_L 3 -#define PAGE_CUR_LE 4 -/*#define PAGE_CUR_LE_OR_EXTENDS 5*/ /* This is a search mode used in - "column LIKE 'abc%' ORDER BY column DESC"; - we have to find strings which are <= 'abc' or - which extend it */ -#ifdef UNIV_SEARCH_DEBUG -# define PAGE_CUR_DBG 6 /* As PAGE_CUR_LE, but skips search shortcut */ -#endif /* UNIV_SEARCH_DEBUG */ - -#ifdef UNIV_DEBUG -/*********************************************************//** -Gets pointer to the page frame where the cursor is positioned. -@return page */ -UNIV_INLINE -page_t* -page_cur_get_page( -/*==============*/ - page_cur_t* cur); /*!< in: page cursor */ -/*********************************************************//** -Gets pointer to the buffer block where the cursor is positioned. -@return page */ -UNIV_INLINE -buf_block_t* -page_cur_get_block( -/*===============*/ - page_cur_t* cur); /*!< in: page cursor */ -/*********************************************************//** -Gets pointer to the page frame where the cursor is positioned. -@return page */ -UNIV_INLINE -page_zip_des_t* -page_cur_get_page_zip( -/*==================*/ - page_cur_t* cur); /*!< in: page cursor */ -/*********************************************************//** -Gets the record where the cursor is positioned. -@return record */ -UNIV_INLINE -rec_t* -page_cur_get_rec( -/*=============*/ - page_cur_t* cur); /*!< in: page cursor */ -#else /* UNIV_DEBUG */ -# define page_cur_get_page(cur) page_align((cur)->rec) -# define page_cur_get_block(cur) (cur)->block -# define page_cur_get_page_zip(cur) buf_block_get_page_zip((cur)->block) -# define page_cur_get_rec(cur) (cur)->rec -#endif /* UNIV_DEBUG */ -/*********************************************************//** -Sets the cursor object to point before the first user record -on the page. */ -UNIV_INLINE -void -page_cur_set_before_first( -/*======================*/ - const buf_block_t* block, /*!< in: index page */ - page_cur_t* cur); /*!< in: cursor */ -/*********************************************************//** -Sets the cursor object to point after the last user record on -the page. */ -UNIV_INLINE -void -page_cur_set_after_last( -/*====================*/ - const buf_block_t* block, /*!< in: index page */ - page_cur_t* cur); /*!< in: cursor */ -/*********************************************************//** -Returns TRUE if the cursor is before first user record on page. -@return TRUE if at start */ -UNIV_INLINE -ibool -page_cur_is_before_first( -/*=====================*/ - const page_cur_t* cur); /*!< in: cursor */ -/*********************************************************//** -Returns TRUE if the cursor is after last user record. -@return TRUE if at end */ -UNIV_INLINE -ibool -page_cur_is_after_last( -/*===================*/ - const page_cur_t* cur); /*!< in: cursor */ -/**********************************************************//** -Positions the cursor on the given record. */ -UNIV_INLINE -void -page_cur_position( -/*==============*/ - const rec_t* rec, /*!< in: record on a page */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - page_cur_t* cur); /*!< out: page cursor */ -/**********************************************************//** -Invalidates a page cursor by setting the record pointer NULL. */ -UNIV_INLINE -void -page_cur_invalidate( -/*================*/ - page_cur_t* cur); /*!< out: page cursor */ -/**********************************************************//** -Moves the cursor to the next record on page. */ -UNIV_INLINE -void -page_cur_move_to_next( -/*==================*/ - page_cur_t* cur); /*!< in/out: cursor; must not be after last */ -/**********************************************************//** -Moves the cursor to the previous record on page. */ -UNIV_INLINE -void -page_cur_move_to_prev( -/*==================*/ - page_cur_t* cur); /*!< in/out: cursor; not before first */ -#ifndef UNIV_HOTBACKUP -/***********************************************************//** -Inserts a record next to page cursor. Returns pointer to inserted record if -succeed, i.e., enough space available, NULL otherwise. The cursor stays at -the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INLINE -rec_t* -page_cur_tuple_insert( -/*==================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - const dtuple_t* tuple, /*!< in: pointer to a data tuple */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Inserts a record next to page cursor. Returns pointer to inserted record if -succeed, i.e., enough space available, NULL otherwise. The cursor stays at -the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INLINE -rec_t* -page_cur_rec_insert( -/*================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - const rec_t* rec, /*!< in: record to insert */ - dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/***********************************************************//** -Inserts a record next to page cursor on an uncompressed page. -Returns pointer to inserted record if succeed, i.e., enough -space available, NULL otherwise. The cursor stays at the same position. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INTERN -rec_t* -page_cur_insert_rec_low( -/*====================*/ - rec_t* current_rec,/*!< in: pointer to current record after - which the new record is inserted */ - dict_index_t* index, /*!< in: record descriptor */ - const rec_t* rec, /*!< in: pointer to a physical record */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/***********************************************************//** -Inserts a record next to page cursor on a compressed and uncompressed -page. Returns pointer to inserted record if succeed, i.e., -enough space available, NULL otherwise. -The cursor stays at the same position. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INTERN -rec_t* -page_cur_insert_rec_zip( -/*====================*/ - rec_t** current_rec,/*!< in/out: pointer to current record after - which the new record is inserted */ - buf_block_t* block, /*!< in: buffer block of *current_rec */ - dict_index_t* index, /*!< in: record descriptor */ - const rec_t* rec, /*!< in: pointer to a physical record */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr); /*!< in: mini-transaction handle, or NULL */ -/*************************************************************//** -Copies records from page to a newly created page, from a given record onward, -including that record. Infimum and supremum records are not copied. */ -UNIV_INTERN -void -page_copy_rec_list_end_to_created_page( -/*===================================*/ - page_t* new_page, /*!< in/out: index page to copy to */ - rec_t* rec, /*!< in: first record to copy */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr */ -/***********************************************************//** -Deletes a record at the page cursor. The cursor is moved to the -next record after the deleted one. */ -UNIV_INTERN -void -page_cur_delete_rec( -/*================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - dict_index_t* index, /*!< in: record descriptor */ - const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ - mtr_t* mtr); /*!< in: mini-transaction handle */ -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Searches the right position for a page cursor. -@return number of matched fields on the left */ -UNIV_INLINE -ulint -page_cur_search( -/*============*/ - const buf_block_t* block, /*!< in: buffer block */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint mode, /*!< in: PAGE_CUR_L, - PAGE_CUR_LE, PAGE_CUR_G, or - PAGE_CUR_GE */ - page_cur_t* cursor);/*!< out: page cursor */ -/****************************************************************//** -Searches the right position for a page cursor. */ -UNIV_INTERN -void -page_cur_search_with_match( -/*=======================*/ - const buf_block_t* block, /*!< in: buffer block */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint mode, /*!< in: PAGE_CUR_L, - PAGE_CUR_LE, PAGE_CUR_G, or - PAGE_CUR_GE */ - ulint* iup_matched_fields, - /*!< in/out: already matched - fields in upper limit record */ - ulint* iup_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - ulint* ilow_matched_fields, - /*!< in/out: already matched - fields in lower limit record */ - ulint* ilow_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - page_cur_t* cursor);/*!< out: page cursor */ -/***********************************************************//** -Positions a page cursor on a randomly chosen user record on a page. If there -are no user records, sets the cursor on the infimum record. */ -UNIV_INTERN -void -page_cur_open_on_rnd_user_rec( -/*==========================*/ - buf_block_t* block, /*!< in: page */ - page_cur_t* cursor);/*!< out: page cursor */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Parses a log record of a record insert on a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_cur_parse_insert_rec( -/*======================*/ - ibool is_short,/*!< in: TRUE if short inserts */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/**********************************************************//** -Parses a log record of copying a record list end to a new created page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_copy_rec_list_to_created_page( -/*=====================================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/***********************************************************//** -Parses log record of a record delete on a page. -@return pointer to record end or NULL */ -UNIV_INTERN -byte* -page_cur_parse_delete_rec( -/*======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr or NULL */ - -/** Index page cursor */ - -struct page_cur_struct{ - byte* rec; /*!< pointer to a record on page */ - buf_block_t* block; /*!< pointer to the block containing rec */ -}; - -#ifndef UNIV_NONINL -#include "page0cur.ic" -#endif - -#endif diff --git a/perfschema/include/page0cur.ic b/perfschema/include/page0cur.ic deleted file mode 100644 index 3520677dfb3..00000000000 --- a/perfschema/include/page0cur.ic +++ /dev/null @@ -1,299 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/page0cur.ic -The page cursor - -Created 10/4/1994 Heikki Tuuri -*************************************************************************/ - -#include "page0page.h" -#include "buf0types.h" - -#ifdef UNIV_DEBUG -/*********************************************************//** -Gets pointer to the page frame where the cursor is positioned. -@return page */ -UNIV_INLINE -page_t* -page_cur_get_page( -/*==============*/ - page_cur_t* cur) /*!< in: page cursor */ -{ - ut_ad(cur); - ut_ad(page_align(cur->rec) == cur->block->frame); - - return(page_align(cur->rec)); -} - -/*********************************************************//** -Gets pointer to the buffer block where the cursor is positioned. -@return page */ -UNIV_INLINE -buf_block_t* -page_cur_get_block( -/*===============*/ - page_cur_t* cur) /*!< in: page cursor */ -{ - ut_ad(cur); - ut_ad(page_align(cur->rec) == cur->block->frame); - return(cur->block); -} - -/*********************************************************//** -Gets pointer to the page frame where the cursor is positioned. -@return page */ -UNIV_INLINE -page_zip_des_t* -page_cur_get_page_zip( -/*==================*/ - page_cur_t* cur) /*!< in: page cursor */ -{ - return(buf_block_get_page_zip(page_cur_get_block(cur))); -} - -/*********************************************************//** -Gets the record where the cursor is positioned. -@return record */ -UNIV_INLINE -rec_t* -page_cur_get_rec( -/*=============*/ - page_cur_t* cur) /*!< in: page cursor */ -{ - ut_ad(cur); - ut_ad(page_align(cur->rec) == cur->block->frame); - - return(cur->rec); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************//** -Sets the cursor object to point before the first user record -on the page. */ -UNIV_INLINE -void -page_cur_set_before_first( -/*======================*/ - const buf_block_t* block, /*!< in: index page */ - page_cur_t* cur) /*!< in: cursor */ -{ - cur->block = (buf_block_t*) block; - cur->rec = page_get_infimum_rec(buf_block_get_frame(cur->block)); -} - -/*********************************************************//** -Sets the cursor object to point after the last user record on -the page. */ -UNIV_INLINE -void -page_cur_set_after_last( -/*====================*/ - const buf_block_t* block, /*!< in: index page */ - page_cur_t* cur) /*!< in: cursor */ -{ - cur->block = (buf_block_t*) block; - cur->rec = page_get_supremum_rec(buf_block_get_frame(cur->block)); -} - -/*********************************************************//** -Returns TRUE if the cursor is before first user record on page. -@return TRUE if at start */ -UNIV_INLINE -ibool -page_cur_is_before_first( -/*=====================*/ - const page_cur_t* cur) /*!< in: cursor */ -{ - ut_ad(cur); - ut_ad(page_align(cur->rec) == cur->block->frame); - return(page_rec_is_infimum(cur->rec)); -} - -/*********************************************************//** -Returns TRUE if the cursor is after last user record. -@return TRUE if at end */ -UNIV_INLINE -ibool -page_cur_is_after_last( -/*===================*/ - const page_cur_t* cur) /*!< in: cursor */ -{ - ut_ad(cur); - ut_ad(page_align(cur->rec) == cur->block->frame); - return(page_rec_is_supremum(cur->rec)); -} - -/**********************************************************//** -Positions the cursor on the given record. */ -UNIV_INLINE -void -page_cur_position( -/*==============*/ - const rec_t* rec, /*!< in: record on a page */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - page_cur_t* cur) /*!< out: page cursor */ -{ - ut_ad(rec && block && cur); - ut_ad(page_align(rec) == block->frame); - - cur->rec = (rec_t*) rec; - cur->block = (buf_block_t*) block; -} - -/**********************************************************//** -Invalidates a page cursor by setting the record pointer NULL. */ -UNIV_INLINE -void -page_cur_invalidate( -/*================*/ - page_cur_t* cur) /*!< out: page cursor */ -{ - ut_ad(cur); - - cur->rec = NULL; - cur->block = NULL; -} - -/**********************************************************//** -Moves the cursor to the next record on page. */ -UNIV_INLINE -void -page_cur_move_to_next( -/*==================*/ - page_cur_t* cur) /*!< in/out: cursor; must not be after last */ -{ - ut_ad(!page_cur_is_after_last(cur)); - - cur->rec = page_rec_get_next(cur->rec); -} - -/**********************************************************//** -Moves the cursor to the previous record on page. */ -UNIV_INLINE -void -page_cur_move_to_prev( -/*==================*/ - page_cur_t* cur) /*!< in/out: page cursor, not before first */ -{ - ut_ad(!page_cur_is_before_first(cur)); - - cur->rec = page_rec_get_prev(cur->rec); -} - -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Searches the right position for a page cursor. -@return number of matched fields on the left */ -UNIV_INLINE -ulint -page_cur_search( -/*============*/ - const buf_block_t* block, /*!< in: buffer block */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint mode, /*!< in: PAGE_CUR_L, - PAGE_CUR_LE, PAGE_CUR_G, or - PAGE_CUR_GE */ - page_cur_t* cursor) /*!< out: page cursor */ -{ - ulint low_matched_fields = 0; - ulint low_matched_bytes = 0; - ulint up_matched_fields = 0; - ulint up_matched_bytes = 0; - - ut_ad(dtuple_check_typed(tuple)); - - page_cur_search_with_match(block, index, tuple, mode, - &up_matched_fields, - &up_matched_bytes, - &low_matched_fields, - &low_matched_bytes, - cursor); - return(low_matched_fields); -} - -/***********************************************************//** -Inserts a record next to page cursor. Returns pointer to inserted record if -succeed, i.e., enough space available, NULL otherwise. The cursor stays at -the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INLINE -rec_t* -page_cur_tuple_insert( -/*==================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - const dtuple_t* tuple, /*!< in: pointer to a data tuple */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n_ext, /*!< in: number of externally stored columns */ - mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ -{ - mem_heap_t* heap; - ulint* offsets; - ulint size - = rec_get_converted_size(index, tuple, n_ext); - rec_t* rec; - - heap = mem_heap_create(size - + (4 + REC_OFFS_HEADER_SIZE - + dtuple_get_n_fields(tuple)) - * sizeof *offsets); - rec = rec_convert_dtuple_to_rec((byte*) mem_heap_alloc(heap, size), - index, tuple, n_ext); - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); - - if (buf_block_get_page_zip(cursor->block)) { - rec = page_cur_insert_rec_zip(&cursor->rec, cursor->block, - index, rec, offsets, mtr); - } else { - rec = page_cur_insert_rec_low(cursor->rec, - index, rec, offsets, mtr); - } - - mem_heap_free(heap); - return(rec); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Inserts a record next to page cursor. Returns pointer to inserted record if -succeed, i.e., enough space available, NULL otherwise. The cursor stays at -the same logical position, but the physical position may change if it is -pointing to a compressed page that was reorganized. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INLINE -rec_t* -page_cur_rec_insert( -/*================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - const rec_t* rec, /*!< in: record to insert */ - dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ -{ - if (buf_block_get_page_zip(cursor->block)) { - return(page_cur_insert_rec_zip(&cursor->rec, cursor->block, - index, rec, offsets, mtr)); - } else { - return(page_cur_insert_rec_low(cursor->rec, - index, rec, offsets, mtr)); - } -} diff --git a/perfschema/include/page0page.h b/perfschema/include/page0page.h deleted file mode 100644 index 3899499fb6a..00000000000 --- a/perfschema/include/page0page.h +++ /dev/null @@ -1,1015 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/page0page.h -Index page routines - -Created 2/2/1994 Heikki Tuuri -*******************************************************/ - -#ifndef page0page_h -#define page0page_h - -#include "univ.i" - -#include "page0types.h" -#include "fil0fil.h" -#include "buf0buf.h" -#include "data0data.h" -#include "dict0dict.h" -#include "rem0rec.h" -#include "fsp0fsp.h" -#include "mtr0mtr.h" - -#ifdef UNIV_MATERIALIZE -#undef UNIV_INLINE -#define UNIV_INLINE -#endif - -/* PAGE HEADER - =========== - -Index page header starts at the first offset left free by the FIL-module */ - -typedef byte page_header_t; - -#define PAGE_HEADER FSEG_PAGE_DATA /* index page header starts at this - offset */ -/*-----------------------------*/ -#define PAGE_N_DIR_SLOTS 0 /* number of slots in page directory */ -#define PAGE_HEAP_TOP 2 /* pointer to record heap top */ -#define PAGE_N_HEAP 4 /* number of records in the heap, - bit 15=flag: new-style compact page format */ -#define PAGE_FREE 6 /* pointer to start of page free record list */ -#define PAGE_GARBAGE 8 /* number of bytes in deleted records */ -#define PAGE_LAST_INSERT 10 /* pointer to the last inserted record, or - NULL if this info has been reset by a delete, - for example */ -#define PAGE_DIRECTION 12 /* last insert direction: PAGE_LEFT, ... */ -#define PAGE_N_DIRECTION 14 /* number of consecutive inserts to the same - direction */ -#define PAGE_N_RECS 16 /* number of user records on the page */ -#define PAGE_MAX_TRX_ID 18 /* highest id of a trx which may have modified - a record on the page; a dulint; defined only - in secondary indexes and in the insert buffer - tree; NOTE: this may be modified only - when the thread has an x-latch to the page, - and ALSO an x-latch to btr_search_latch - if there is a hash index to the page! */ -#define PAGE_HEADER_PRIV_END 26 /* end of private data structure of the page - header which are set in a page create */ -/*----*/ -#define PAGE_LEVEL 26 /* level of the node in an index tree; the - leaf level is the level 0. This field should - not be written to after page creation. */ -#define PAGE_INDEX_ID 28 /* index id where the page belongs. - This field should not be written to after - page creation. */ -#define PAGE_BTR_SEG_LEAF 36 /* file segment header for the leaf pages in - a B-tree: defined only on the root page of a - B-tree, but not in the root of an ibuf tree */ -#define PAGE_BTR_IBUF_FREE_LIST PAGE_BTR_SEG_LEAF -#define PAGE_BTR_IBUF_FREE_LIST_NODE PAGE_BTR_SEG_LEAF - /* in the place of PAGE_BTR_SEG_LEAF and _TOP - there is a free list base node if the page is - the root page of an ibuf tree, and at the same - place is the free list node if the page is in - a free list */ -#define PAGE_BTR_SEG_TOP (36 + FSEG_HEADER_SIZE) - /* file segment header for the non-leaf pages - in a B-tree: defined only on the root page of - a B-tree, but not in the root of an ibuf - tree */ -/*----*/ -#define PAGE_DATA (PAGE_HEADER + 36 + 2 * FSEG_HEADER_SIZE) - /* start of data on the page */ - -#define PAGE_OLD_INFIMUM (PAGE_DATA + 1 + REC_N_OLD_EXTRA_BYTES) - /* offset of the page infimum record on an - old-style page */ -#define PAGE_OLD_SUPREMUM (PAGE_DATA + 2 + 2 * REC_N_OLD_EXTRA_BYTES + 8) - /* offset of the page supremum record on an - old-style page */ -#define PAGE_OLD_SUPREMUM_END (PAGE_OLD_SUPREMUM + 9) - /* offset of the page supremum record end on - an old-style page */ -#define PAGE_NEW_INFIMUM (PAGE_DATA + REC_N_NEW_EXTRA_BYTES) - /* offset of the page infimum record on a - new-style compact page */ -#define PAGE_NEW_SUPREMUM (PAGE_DATA + 2 * REC_N_NEW_EXTRA_BYTES + 8) - /* offset of the page supremum record on a - new-style compact page */ -#define PAGE_NEW_SUPREMUM_END (PAGE_NEW_SUPREMUM + 8) - /* offset of the page supremum record end on - a new-style compact page */ -/*-----------------------------*/ - -/* Heap numbers */ -#define PAGE_HEAP_NO_INFIMUM 0 /* page infimum */ -#define PAGE_HEAP_NO_SUPREMUM 1 /* page supremum */ -#define PAGE_HEAP_NO_USER_LOW 2 /* first user record in - creation (insertion) order, - not necessarily collation order; - this record may have been deleted */ - -/* Directions of cursor movement */ -#define PAGE_LEFT 1 -#define PAGE_RIGHT 2 -#define PAGE_SAME_REC 3 -#define PAGE_SAME_PAGE 4 -#define PAGE_NO_DIRECTION 5 - -/* PAGE DIRECTORY - ============== -*/ - -typedef byte page_dir_slot_t; -typedef page_dir_slot_t page_dir_t; - -/* Offset of the directory start down from the page end. We call the -slot with the highest file address directory start, as it points to -the first record in the list of records. */ -#define PAGE_DIR FIL_PAGE_DATA_END - -/* We define a slot in the page directory as two bytes */ -#define PAGE_DIR_SLOT_SIZE 2 - -/* The offset of the physically lower end of the directory, counted from -page end, when the page is empty */ -#define PAGE_EMPTY_DIR_START (PAGE_DIR + 2 * PAGE_DIR_SLOT_SIZE) - -/* The maximum and minimum number of records owned by a directory slot. The -number may drop below the minimum in the first and the last slot in the -directory. */ -#define PAGE_DIR_SLOT_MAX_N_OWNED 8 -#define PAGE_DIR_SLOT_MIN_N_OWNED 4 - -/************************************************************//** -Gets the start of a page. -@return start of the page */ -UNIV_INLINE -page_t* -page_align( -/*=======*/ - const void* ptr) /*!< in: pointer to page frame */ - __attribute__((const)); -/************************************************************//** -Gets the offset within a page. -@return offset from the start of the page */ -UNIV_INLINE -ulint -page_offset( -/*========*/ - const void* ptr) /*!< in: pointer to page frame */ - __attribute__((const)); -/*************************************************************//** -Returns the max trx id field value. */ -UNIV_INLINE -trx_id_t -page_get_max_trx_id( -/*================*/ - const page_t* page); /*!< in: page */ -/*************************************************************//** -Sets the max trx id field value. */ -UNIV_INTERN -void -page_set_max_trx_id( -/*================*/ - buf_block_t* block, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr); /*!< in/out: mini-transaction, or NULL */ -/*************************************************************//** -Sets the max trx id field value if trx_id is bigger than the previous -value. */ -UNIV_INLINE -void -page_update_max_trx_id( -/*===================*/ - buf_block_t* block, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr); /*!< in/out: mini-transaction */ -/*************************************************************//** -Reads the given header field. */ -UNIV_INLINE -ulint -page_header_get_field( -/*==================*/ - const page_t* page, /*!< in: page */ - ulint field); /*!< in: PAGE_N_DIR_SLOTS, ... */ -/*************************************************************//** -Sets the given header field. */ -UNIV_INLINE -void -page_header_set_field( -/*==================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ - ulint val); /*!< in: value */ -/*************************************************************//** -Returns the offset stored in the given header field. -@return offset from the start of the page, or 0 */ -UNIV_INLINE -ulint -page_header_get_offs( -/*=================*/ - const page_t* page, /*!< in: page */ - ulint field) /*!< in: PAGE_FREE, ... */ - __attribute__((nonnull, pure)); - -/*************************************************************//** -Returns the pointer stored in the given header field, or NULL. */ -#define page_header_get_ptr(page, field) \ - (page_header_get_offs(page, field) \ - ? page + page_header_get_offs(page, field) : NULL) -/*************************************************************//** -Sets the pointer stored in the given header field. */ -UNIV_INLINE -void -page_header_set_ptr( -/*================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint field, /*!< in/out: PAGE_FREE, ... */ - const byte* ptr); /*!< in: pointer or NULL*/ -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Resets the last insert info field in the page header. Writes to mlog -about this operation. */ -UNIV_INLINE -void -page_header_reset_last_insert( -/*==========================*/ - page_t* page, /*!< in: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - mtr_t* mtr); /*!< in: mtr */ -#endif /* !UNIV_HOTBACKUP */ -/************************************************************//** -Gets the offset of the first record on the page. -@return offset of the first record in record list, relative from page */ -UNIV_INLINE -ulint -page_get_infimum_offset( -/*====================*/ - const page_t* page); /*!< in: page which must have record(s) */ -/************************************************************//** -Gets the offset of the last record on the page. -@return offset of the last record in record list, relative from page */ -UNIV_INLINE -ulint -page_get_supremum_offset( -/*=====================*/ - const page_t* page); /*!< in: page which must have record(s) */ -#define page_get_infimum_rec(page) ((page) + page_get_infimum_offset(page)) -#define page_get_supremum_rec(page) ((page) + page_get_supremum_offset(page)) -/************************************************************//** -Returns the middle record of record list. If there are an even number -of records in the list, returns the first record of upper half-list. -@return middle record */ -UNIV_INTERN -rec_t* -page_get_middle_rec( -/*================*/ - page_t* page); /*!< in: page */ -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Compares a data tuple to a physical record. Differs from the function -cmp_dtuple_rec_with_match in the way that the record must reside on an -index page, and also page infimum and supremum records can be given in -the parameter rec. These are considered as the negative infinity and -the positive infinity in the alphabetical order. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared */ -UNIV_INLINE -int -page_cmp_dtuple_rec_with_match( -/*===========================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record on a page; may also - be page infimum or supremum, in which case - matched-parameter values below are not - affected */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when function returns - contains the value for current comparison */ - ulint* matched_bytes); /*!< in/out: number of already matched - bytes within the first field not completely - matched; when function returns contains the - value for current comparison */ -#endif /* !UNIV_HOTBACKUP */ -/*************************************************************//** -Gets the page number. -@return page number */ -UNIV_INLINE -ulint -page_get_page_no( -/*=============*/ - const page_t* page); /*!< in: page */ -/*************************************************************//** -Gets the tablespace identifier. -@return space id */ -UNIV_INLINE -ulint -page_get_space_id( -/*==============*/ - const page_t* page); /*!< in: page */ -/*************************************************************//** -Gets the number of user records on page (the infimum and supremum records -are not user records). -@return number of user records */ -UNIV_INLINE -ulint -page_get_n_recs( -/*============*/ - const page_t* page); /*!< in: index page */ -/***************************************************************//** -Returns the number of records before the given record in chain. -The number includes infimum and supremum records. -@return number of records */ -UNIV_INTERN -ulint -page_rec_get_n_recs_before( -/*=======================*/ - const rec_t* rec); /*!< in: the physical record */ -/*************************************************************//** -Gets the number of records in the heap. -@return number of user records */ -UNIV_INLINE -ulint -page_dir_get_n_heap( -/*================*/ - const page_t* page); /*!< in: index page */ -/*************************************************************//** -Sets the number of records in the heap. */ -UNIV_INLINE -void -page_dir_set_n_heap( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL. - Note that the size of the dense page directory - in the compressed page trailer is - n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ - ulint n_heap);/*!< in: number of records */ -/*************************************************************//** -Gets the number of dir slots in directory. -@return number of slots */ -UNIV_INLINE -ulint -page_dir_get_n_slots( -/*=================*/ - const page_t* page); /*!< in: index page */ -/*************************************************************//** -Sets the number of dir slots in directory. */ -UNIV_INLINE -void -page_dir_set_n_slots( -/*=================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint n_slots);/*!< in: number of slots */ -#ifdef UNIV_DEBUG -/*************************************************************//** -Gets pointer to nth directory slot. -@return pointer to dir slot */ -UNIV_INLINE -page_dir_slot_t* -page_dir_get_nth_slot( -/*==================*/ - const page_t* page, /*!< in: index page */ - ulint n); /*!< in: position */ -#else /* UNIV_DEBUG */ -# define page_dir_get_nth_slot(page, n) \ - ((page) + UNIV_PAGE_SIZE - PAGE_DIR \ - - (n + 1) * PAGE_DIR_SLOT_SIZE) -#endif /* UNIV_DEBUG */ -/**************************************************************//** -Used to check the consistency of a record on a page. -@return TRUE if succeed */ -UNIV_INLINE -ibool -page_rec_check( -/*===========*/ - const rec_t* rec); /*!< in: record */ -/***************************************************************//** -Gets the record pointed to by a directory slot. -@return pointer to record */ -UNIV_INLINE -const rec_t* -page_dir_slot_get_rec( -/*==================*/ - const page_dir_slot_t* slot); /*!< in: directory slot */ -/***************************************************************//** -This is used to set the record offset in a directory slot. */ -UNIV_INLINE -void -page_dir_slot_set_rec( -/*==================*/ - page_dir_slot_t* slot, /*!< in: directory slot */ - rec_t* rec); /*!< in: record on the page */ -/***************************************************************//** -Gets the number of records owned by a directory slot. -@return number of records */ -UNIV_INLINE -ulint -page_dir_slot_get_n_owned( -/*======================*/ - const page_dir_slot_t* slot); /*!< in: page directory slot */ -/***************************************************************//** -This is used to set the owned records field of a directory slot. */ -UNIV_INLINE -void -page_dir_slot_set_n_owned( -/*======================*/ - page_dir_slot_t*slot, /*!< in/out: directory slot */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint n); /*!< in: number of records owned by the slot */ -/************************************************************//** -Calculates the space reserved for directory slots of a given -number of records. The exact value is a fraction number -n * PAGE_DIR_SLOT_SIZE / PAGE_DIR_SLOT_MIN_N_OWNED, and it is -rounded upwards to an integer. */ -UNIV_INLINE -ulint -page_dir_calc_reserved_space( -/*=========================*/ - ulint n_recs); /*!< in: number of records */ -/***************************************************************//** -Looks for the directory slot which owns the given record. -@return the directory slot number */ -UNIV_INTERN -ulint -page_dir_find_owner_slot( -/*=====================*/ - const rec_t* rec); /*!< in: the physical record */ -/************************************************************//** -Determine whether the page is in new-style compact format. -@return nonzero if the page is in compact format, zero if it is in -old-style format */ -UNIV_INLINE -ulint -page_is_comp( -/*=========*/ - const page_t* page); /*!< in: index page */ -/************************************************************//** -TRUE if the record is on a page in compact format. -@return nonzero if in compact format */ -UNIV_INLINE -ulint -page_rec_is_comp( -/*=============*/ - const rec_t* rec); /*!< in: record */ -/***************************************************************//** -Returns the heap number of a record. -@return heap number */ -UNIV_INLINE -ulint -page_rec_get_heap_no( -/*=================*/ - const rec_t* rec); /*!< in: the physical record */ -/************************************************************//** -Determine whether the page is a B-tree leaf. -@return TRUE if the page is a B-tree leaf */ -UNIV_INLINE -ibool -page_is_leaf( -/*=========*/ - const page_t* page) /*!< in: page */ - __attribute__((nonnull, pure)); -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -const rec_t* -page_rec_get_next_low( -/*==================*/ - const rec_t* rec, /*!< in: pointer to record */ - ulint comp); /*!< in: nonzero=compact page layout */ -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -rec_t* -page_rec_get_next( -/*==============*/ - rec_t* rec); /*!< in: pointer to record */ -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -const rec_t* -page_rec_get_next_const( -/*====================*/ - const rec_t* rec); /*!< in: pointer to record */ -/************************************************************//** -Sets the pointer to the next record on the page. */ -UNIV_INLINE -void -page_rec_set_next( -/*==============*/ - rec_t* rec, /*!< in: pointer to record, - must not be page supremum */ - rec_t* next); /*!< in: pointer to next record, - must not be page infimum */ -/************************************************************//** -Gets the pointer to the previous record. -@return pointer to previous record */ -UNIV_INLINE -const rec_t* -page_rec_get_prev_const( -/*====================*/ - const rec_t* rec); /*!< in: pointer to record, must not be page - infimum */ -/************************************************************//** -Gets the pointer to the previous record. -@return pointer to previous record */ -UNIV_INLINE -rec_t* -page_rec_get_prev( -/*==============*/ - rec_t* rec); /*!< in: pointer to record, - must not be page infimum */ -/************************************************************//** -TRUE if the record is a user record on the page. -@return TRUE if a user record */ -UNIV_INLINE -ibool -page_rec_is_user_rec_low( -/*=====================*/ - ulint offset) /*!< in: record offset on page */ - __attribute__((const)); -/************************************************************//** -TRUE if the record is the supremum record on a page. -@return TRUE if the supremum record */ -UNIV_INLINE -ibool -page_rec_is_supremum_low( -/*=====================*/ - ulint offset) /*!< in: record offset on page */ - __attribute__((const)); -/************************************************************//** -TRUE if the record is the infimum record on a page. -@return TRUE if the infimum record */ -UNIV_INLINE -ibool -page_rec_is_infimum_low( -/*====================*/ - ulint offset) /*!< in: record offset on page */ - __attribute__((const)); - -/************************************************************//** -TRUE if the record is a user record on the page. -@return TRUE if a user record */ -UNIV_INLINE -ibool -page_rec_is_user_rec( -/*=================*/ - const rec_t* rec) /*!< in: record */ - __attribute__((const)); -/************************************************************//** -TRUE if the record is the supremum record on a page. -@return TRUE if the supremum record */ -UNIV_INLINE -ibool -page_rec_is_supremum( -/*=================*/ - const rec_t* rec) /*!< in: record */ - __attribute__((const)); - -/************************************************************//** -TRUE if the record is the infimum record on a page. -@return TRUE if the infimum record */ -UNIV_INLINE -ibool -page_rec_is_infimum( -/*================*/ - const rec_t* rec) /*!< in: record */ - __attribute__((const)); -/***************************************************************//** -Looks for the record which owns the given record. -@return the owner record */ -UNIV_INLINE -rec_t* -page_rec_find_owner_rec( -/*====================*/ - rec_t* rec); /*!< in: the physical record */ -/***********************************************************************//** -This is a low-level operation which is used in a database index creation -to update the page number of a created B-tree to a data dictionary -record. */ -UNIV_INTERN -void -page_rec_write_index_page_no( -/*=========================*/ - rec_t* rec, /*!< in: record to update */ - ulint i, /*!< in: index of the field to update */ - ulint page_no,/*!< in: value to write */ - mtr_t* mtr); /*!< in: mtr */ -/************************************************************//** -Returns the maximum combined size of records which can be inserted on top -of record heap. -@return maximum combined size for inserted records */ -UNIV_INLINE -ulint -page_get_max_insert_size( -/*=====================*/ - const page_t* page, /*!< in: index page */ - ulint n_recs);/*!< in: number of records */ -/************************************************************//** -Returns the maximum combined size of records which can be inserted on top -of record heap if page is first reorganized. -@return maximum combined size for inserted records */ -UNIV_INLINE -ulint -page_get_max_insert_size_after_reorganize( -/*======================================*/ - const page_t* page, /*!< in: index page */ - ulint n_recs);/*!< in: number of records */ -/*************************************************************//** -Calculates free space if a page is emptied. -@return free space */ -UNIV_INLINE -ulint -page_get_free_space_of_empty( -/*=========================*/ - ulint comp) /*!< in: nonzero=compact page format */ - __attribute__((const)); -/**********************************************************//** -Returns the base extra size of a physical record. This is the -size of the fixed header, independent of the record size. -@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ -UNIV_INLINE -ulint -page_rec_get_base_extra_size( -/*=========================*/ - const rec_t* rec); /*!< in: physical record */ -/************************************************************//** -Returns the sum of the sizes of the records in the record list -excluding the infimum and supremum records. -@return data in bytes */ -UNIV_INLINE -ulint -page_get_data_size( -/*===============*/ - const page_t* page); /*!< in: index page */ -/************************************************************//** -Allocates a block of memory from the head of the free list -of an index page. */ -UNIV_INLINE -void -page_mem_alloc_free( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page with enough - space available for inserting the record, - or NULL */ - rec_t* next_rec,/*!< in: pointer to the new head of the - free record list */ - ulint need); /*!< in: number of bytes allocated */ -/************************************************************//** -Allocates a block of memory from the heap of an index page. -@return pointer to start of allocated buffer, or NULL if allocation fails */ -UNIV_INTERN -byte* -page_mem_alloc_heap( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page with enough - space available for inserting the record, - or NULL */ - ulint need, /*!< in: total number of bytes needed */ - ulint* heap_no);/*!< out: this contains the heap number - of the allocated record - if allocation succeeds */ -/************************************************************//** -Puts a record to free list. */ -UNIV_INLINE -void -page_mem_free( -/*==========*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - rec_t* rec, /*!< in: pointer to the (origin of) record */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -Create an uncompressed B-tree index page. -@return pointer to the page */ -UNIV_INTERN -page_t* -page_create( -/*========*/ - buf_block_t* block, /*!< in: a buffer block where the - page is created */ - mtr_t* mtr, /*!< in: mini-transaction handle */ - ulint comp); /*!< in: nonzero=compact page format */ -/**********************************************************//** -Create a compressed B-tree index page. -@return pointer to the page */ -UNIV_INTERN -page_t* -page_create_zip( -/*============*/ - buf_block_t* block, /*!< in/out: a buffer frame where the - page is created */ - dict_index_t* index, /*!< in: the index of the page */ - ulint level, /*!< in: the B-tree level of the page */ - mtr_t* mtr); /*!< in: mini-transaction handle */ - -/*************************************************************//** -Differs from page_copy_rec_list_end, because this function does not -touch the lock table and max trx id on page or compress the page. */ -UNIV_INTERN -void -page_copy_rec_list_end_no_locks( -/*============================*/ - buf_block_t* new_block, /*!< in: index page to copy to */ - buf_block_t* block, /*!< in: index page of rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************//** -Copies records from page to new_page, from the given record onward, -including that record. Infimum and supremum records are not copied. -The records are copied to the start of the record list on new_page. -@return pointer to the original successor of the infimum record on -new_page, or NULL on zip overflow (new_block will be decompressed) */ -UNIV_INTERN -rec_t* -page_copy_rec_list_end( -/*===================*/ - buf_block_t* new_block, /*!< in/out: index page to copy to */ - buf_block_t* block, /*!< in: index page containing rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull)); -/*************************************************************//** -Copies records from page to new_page, up to the given record, NOT -including that record. Infimum and supremum records are not copied. -The records are copied to the end of the record list on new_page. -@return pointer to the original predecessor of the supremum record on -new_page, or NULL on zip overflow (new_block will be decompressed) */ -UNIV_INTERN -rec_t* -page_copy_rec_list_start( -/*=====================*/ - buf_block_t* new_block, /*!< in/out: index page to copy to */ - buf_block_t* block, /*!< in: index page containing rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull)); -/*************************************************************//** -Deletes records from a page from a given record onward, including that record. -The infimum and supremum records are not deleted. */ -UNIV_INTERN -void -page_delete_rec_list_end( -/*=====================*/ - rec_t* rec, /*!< in: pointer to record on page */ - buf_block_t* block, /*!< in: buffer block of the page */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n_recs, /*!< in: number of records to delete, - or ULINT_UNDEFINED if not known */ - ulint size, /*!< in: the sum of the sizes of the - records in the end of the chain to - delete, or ULINT_UNDEFINED if not known */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull)); -/*************************************************************//** -Deletes records from page, up to the given record, NOT including -that record. Infimum and supremum records are not deleted. */ -UNIV_INTERN -void -page_delete_rec_list_start( -/*=======================*/ - rec_t* rec, /*!< in: record on page */ - buf_block_t* block, /*!< in: buffer block of the page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull)); -/*************************************************************//** -Moves record list end to another page. Moved records include -split_rec. -@return TRUE on success; FALSE on compression failure (new_block will -be decompressed) */ -UNIV_INTERN -ibool -page_move_rec_list_end( -/*===================*/ - buf_block_t* new_block, /*!< in/out: index page where to move */ - buf_block_t* block, /*!< in: index page from where to move */ - rec_t* split_rec, /*!< in: first record to move */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull(1, 2, 4, 5))); -/*************************************************************//** -Moves record list start to another page. Moved records do not include -split_rec. -@return TRUE on success; FALSE on compression failure */ -UNIV_INTERN -ibool -page_move_rec_list_start( -/*=====================*/ - buf_block_t* new_block, /*!< in/out: index page where to move */ - buf_block_t* block, /*!< in/out: page containing split_rec */ - rec_t* split_rec, /*!< in: first record not to move */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ - __attribute__((nonnull(1, 2, 4, 5))); -/****************************************************************//** -Splits a directory slot which owns too many records. */ -UNIV_INTERN -void -page_dir_split_slot( -/*================*/ - page_t* page, /*!< in: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be written, or NULL */ - ulint slot_no)/*!< in: the directory slot */ - __attribute__((nonnull(1))); -/*************************************************************//** -Tries to balance the given directory slot with too few records -with the upper neighbor, so that there are at least the minimum number -of records owned by the slot; this may result in the merging of -two slots. */ -UNIV_INTERN -void -page_dir_balance_slot( -/*==================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint slot_no)/*!< in: the directory slot */ - __attribute__((nonnull(1))); -/**********************************************************//** -Parses a log record of a record list end or start deletion. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_delete_rec_list( -/*=======================*/ - byte type, /*!< in: MLOG_LIST_END_DELETE, - MLOG_LIST_START_DELETE, - MLOG_COMP_LIST_END_DELETE or - MLOG_COMP_LIST_START_DELETE */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in/out: buffer block or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/***********************************************************//** -Parses a redo log record of creating a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_create( -/*==============*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - ulint comp, /*!< in: nonzero=compact page format */ - buf_block_t* block, /*!< in: block or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/************************************************************//** -Prints record contents including the data relevant only in -the index page context. */ -UNIV_INTERN -void -page_rec_print( -/*===========*/ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: record descriptor */ -/***************************************************************//** -This is used to print the contents of the directory for -debugging purposes. */ -UNIV_INTERN -void -page_dir_print( -/*===========*/ - page_t* page, /*!< in: index page */ - ulint pr_n); /*!< in: print n first and n last entries */ -/***************************************************************//** -This is used to print the contents of the page record list for -debugging purposes. */ -UNIV_INTERN -void -page_print_list( -/*============*/ - buf_block_t* block, /*!< in: index page */ - dict_index_t* index, /*!< in: dictionary index of the page */ - ulint pr_n); /*!< in: print n first and n last entries */ -/***************************************************************//** -Prints the info in a page header. */ -UNIV_INTERN -void -page_header_print( -/*==============*/ - const page_t* page); /*!< in: index page */ -/***************************************************************//** -This is used to print the contents of the page for -debugging purposes. */ -UNIV_INTERN -void -page_print( -/*=======*/ - buf_block_t* block, /*!< in: index page */ - dict_index_t* index, /*!< in: dictionary index of the page */ - ulint dn, /*!< in: print dn first and last entries - in directory */ - ulint rn); /*!< in: print rn first and last records - in directory */ -/***************************************************************//** -The following is used to validate a record on a page. This function -differs from rec_validate as it can also check the n_owned field and -the heap_no field. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_rec_validate( -/*==============*/ - rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Checks that the first directory slot points to the infimum record and -the last to the supremum. This function is intended to track if the -bug fixed in 4.0.14 has caused corruption to users' databases. */ -UNIV_INTERN -void -page_check_dir( -/*===========*/ - const page_t* page); /*!< in: index page */ -/***************************************************************//** -This function checks the consistency of an index page when we do not -know the index. This is also resilient so that this should never crash -even if the page is total garbage. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_simple_validate_old( -/*=====================*/ - page_t* page); /*!< in: old-style index page */ -/***************************************************************//** -This function checks the consistency of an index page when we do not -know the index. This is also resilient so that this should never crash -even if the page is total garbage. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_simple_validate_new( -/*=====================*/ - page_t* block); /*!< in: new-style index page */ -/***************************************************************//** -This function checks the consistency of an index page. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_validate( -/*==========*/ - page_t* page, /*!< in: index page */ - dict_index_t* index); /*!< in: data dictionary index containing - the page record type definition */ -/***************************************************************//** -Looks in the page record list for a record with the given heap number. -@return record, NULL if not found */ - -const rec_t* -page_find_rec_with_heap_no( -/*=======================*/ - const page_t* page, /*!< in: index page */ - ulint heap_no);/*!< in: heap number */ - -#ifdef UNIV_MATERIALIZE -#undef UNIV_INLINE -#define UNIV_INLINE UNIV_INLINE_ORIGINAL -#endif - -#ifndef UNIV_NONINL -#include "page0page.ic" -#endif - -#endif diff --git a/perfschema/include/page0page.ic b/perfschema/include/page0page.ic deleted file mode 100644 index 8f794410f20..00000000000 --- a/perfschema/include/page0page.ic +++ /dev/null @@ -1,1073 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/page0page.ic -Index page routines - -Created 2/2/1994 Heikki Tuuri -*******************************************************/ - -#include "mach0data.h" -#ifdef UNIV_DEBUG -# include "log0recv.h" -#endif /* !UNIV_DEBUG */ -#ifndef UNIV_HOTBACKUP -# include "rem0cmp.h" -#endif /* !UNIV_HOTBACKUP */ -#include "mtr0log.h" -#include "page0zip.h" - -#ifdef UNIV_MATERIALIZE -#undef UNIV_INLINE -#define UNIV_INLINE -#endif - -/************************************************************//** -Gets the start of a page. -@return start of the page */ -UNIV_INLINE -page_t* -page_align( -/*=======*/ - const void* ptr) /*!< in: pointer to page frame */ -{ - return((page_t*) ut_align_down(ptr, UNIV_PAGE_SIZE)); -} -/************************************************************//** -Gets the offset within a page. -@return offset from the start of the page */ -UNIV_INLINE -ulint -page_offset( -/*========*/ - const void* ptr) /*!< in: pointer to page frame */ -{ - return(ut_align_offset(ptr, UNIV_PAGE_SIZE)); -} -/*************************************************************//** -Returns the max trx id field value. */ -UNIV_INLINE -trx_id_t -page_get_max_trx_id( -/*================*/ - const page_t* page) /*!< in: page */ -{ - ut_ad(page); - - return(mach_read_from_8(page + PAGE_HEADER + PAGE_MAX_TRX_ID)); -} - -/*************************************************************//** -Sets the max trx id field value if trx_id is bigger than the previous -value. */ -UNIV_INLINE -void -page_update_max_trx_id( -/*===================*/ - buf_block_t* block, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in/out: mini-transaction */ -{ - ut_ad(block); - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - /* During crash recovery, this function may be called on - something else than a leaf page of a secondary index or the - insert buffer index tree (dict_index_is_sec_or_ibuf() returns - TRUE for the dummy indexes constructed during redo log - application). In that case, PAGE_MAX_TRX_ID is unused, - and trx_id is usually zero. */ - ut_ad(!ut_dulint_is_zero(trx_id) || recv_recovery_is_on()); - ut_ad(page_is_leaf(buf_block_get_frame(block))); - - if (ut_dulint_cmp(page_get_max_trx_id(buf_block_get_frame(block)), - trx_id) < 0) { - - page_set_max_trx_id(block, page_zip, trx_id, mtr); - } -} - -/*************************************************************//** -Reads the given header field. */ -UNIV_INLINE -ulint -page_header_get_field( -/*==================*/ - const page_t* page, /*!< in: page */ - ulint field) /*!< in: PAGE_LEVEL, ... */ -{ - ut_ad(page); - ut_ad(field <= PAGE_INDEX_ID); - - return(mach_read_from_2(page + PAGE_HEADER + field)); -} - -/*************************************************************//** -Sets the given header field. */ -UNIV_INLINE -void -page_header_set_field( -/*==================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint field, /*!< in: PAGE_N_DIR_SLOTS, ... */ - ulint val) /*!< in: value */ -{ - ut_ad(page); - ut_ad(field <= PAGE_N_RECS); - ut_ad(field == PAGE_N_HEAP || val < UNIV_PAGE_SIZE); - ut_ad(field != PAGE_N_HEAP || (val & 0x7fff) < UNIV_PAGE_SIZE); - - mach_write_to_2(page + PAGE_HEADER + field, val); - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_write_header(page_zip, - page + PAGE_HEADER + field, 2, NULL); - } -} - -/*************************************************************//** -Returns the offset stored in the given header field. -@return offset from the start of the page, or 0 */ -UNIV_INLINE -ulint -page_header_get_offs( -/*=================*/ - const page_t* page, /*!< in: page */ - ulint field) /*!< in: PAGE_FREE, ... */ -{ - ulint offs; - - ut_ad(page); - ut_ad((field == PAGE_FREE) - || (field == PAGE_LAST_INSERT) - || (field == PAGE_HEAP_TOP)); - - offs = page_header_get_field(page, field); - - ut_ad((field != PAGE_HEAP_TOP) || offs); - - return(offs); -} - -/*************************************************************//** -Sets the pointer stored in the given header field. */ -UNIV_INLINE -void -page_header_set_ptr( -/*================*/ - page_t* page, /*!< in: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint field, /*!< in: PAGE_FREE, ... */ - const byte* ptr) /*!< in: pointer or NULL*/ -{ - ulint offs; - - ut_ad(page); - ut_ad((field == PAGE_FREE) - || (field == PAGE_LAST_INSERT) - || (field == PAGE_HEAP_TOP)); - - if (ptr == NULL) { - offs = 0; - } else { - offs = ptr - page; - } - - ut_ad((field != PAGE_HEAP_TOP) || offs); - - page_header_set_field(page, page_zip, field, offs); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Resets the last insert info field in the page header. Writes to mlog -about this operation. */ -UNIV_INLINE -void -page_header_reset_last_insert( -/*==========================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(page && mtr); - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_2(page + (PAGE_HEADER + PAGE_LAST_INSERT), 0); - page_zip_write_header(page_zip, - page + (PAGE_HEADER + PAGE_LAST_INSERT), - 2, mtr); - } else { - mlog_write_ulint(page + (PAGE_HEADER + PAGE_LAST_INSERT), 0, - MLOG_2BYTES, mtr); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/************************************************************//** -Determine whether the page is in new-style compact format. -@return nonzero if the page is in compact format, zero if it is in -old-style format */ -UNIV_INLINE -ulint -page_is_comp( -/*=========*/ - const page_t* page) /*!< in: index page */ -{ - return(UNIV_EXPECT(page_header_get_field(page, PAGE_N_HEAP) & 0x8000, - 0x8000)); -} - -/************************************************************//** -TRUE if the record is on a page in compact format. -@return nonzero if in compact format */ -UNIV_INLINE -ulint -page_rec_is_comp( -/*=============*/ - const rec_t* rec) /*!< in: record */ -{ - return(page_is_comp(page_align(rec))); -} - -/***************************************************************//** -Returns the heap number of a record. -@return heap number */ -UNIV_INLINE -ulint -page_rec_get_heap_no( -/*=================*/ - const rec_t* rec) /*!< in: the physical record */ -{ - if (page_rec_is_comp(rec)) { - return(rec_get_heap_no_new(rec)); - } else { - return(rec_get_heap_no_old(rec)); - } -} - -/************************************************************//** -Determine whether the page is a B-tree leaf. -@return TRUE if the page is a B-tree leaf */ -UNIV_INLINE -ibool -page_is_leaf( -/*=========*/ - const page_t* page) /*!< in: page */ -{ - return(!*(const uint16*) (page + (PAGE_HEADER + PAGE_LEVEL))); -} - -/************************************************************//** -Gets the offset of the first record on the page. -@return offset of the first record in record list, relative from page */ -UNIV_INLINE -ulint -page_get_infimum_offset( -/*====================*/ - const page_t* page) /*!< in: page which must have record(s) */ -{ - ut_ad(page); - ut_ad(!page_offset(page)); - - if (page_is_comp(page)) { - return(PAGE_NEW_INFIMUM); - } else { - return(PAGE_OLD_INFIMUM); - } -} - -/************************************************************//** -Gets the offset of the last record on the page. -@return offset of the last record in record list, relative from page */ -UNIV_INLINE -ulint -page_get_supremum_offset( -/*=====================*/ - const page_t* page) /*!< in: page which must have record(s) */ -{ - ut_ad(page); - ut_ad(!page_offset(page)); - - if (page_is_comp(page)) { - return(PAGE_NEW_SUPREMUM); - } else { - return(PAGE_OLD_SUPREMUM); - } -} - -/************************************************************//** -TRUE if the record is a user record on the page. -@return TRUE if a user record */ -UNIV_INLINE -ibool -page_rec_is_user_rec_low( -/*=====================*/ - ulint offset) /*!< in: record offset on page */ -{ - ut_ad(offset >= PAGE_NEW_INFIMUM); -#if PAGE_OLD_INFIMUM < PAGE_NEW_INFIMUM -# error "PAGE_OLD_INFIMUM < PAGE_NEW_INFIMUM" -#endif -#if PAGE_OLD_SUPREMUM < PAGE_NEW_SUPREMUM -# error "PAGE_OLD_SUPREMUM < PAGE_NEW_SUPREMUM" -#endif -#if PAGE_NEW_INFIMUM > PAGE_OLD_SUPREMUM -# error "PAGE_NEW_INFIMUM > PAGE_OLD_SUPREMUM" -#endif -#if PAGE_OLD_INFIMUM > PAGE_NEW_SUPREMUM -# error "PAGE_OLD_INFIMUM > PAGE_NEW_SUPREMUM" -#endif -#if PAGE_NEW_SUPREMUM > PAGE_OLD_SUPREMUM_END -# error "PAGE_NEW_SUPREMUM > PAGE_OLD_SUPREMUM_END" -#endif -#if PAGE_OLD_SUPREMUM > PAGE_NEW_SUPREMUM_END -# error "PAGE_OLD_SUPREMUM > PAGE_NEW_SUPREMUM_END" -#endif - ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); - - return(UNIV_LIKELY(offset != PAGE_NEW_SUPREMUM) - && UNIV_LIKELY(offset != PAGE_NEW_INFIMUM) - && UNIV_LIKELY(offset != PAGE_OLD_INFIMUM) - && UNIV_LIKELY(offset != PAGE_OLD_SUPREMUM)); -} - -/************************************************************//** -TRUE if the record is the supremum record on a page. -@return TRUE if the supremum record */ -UNIV_INLINE -ibool -page_rec_is_supremum_low( -/*=====================*/ - ulint offset) /*!< in: record offset on page */ -{ - ut_ad(offset >= PAGE_NEW_INFIMUM); - ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); - - return(UNIV_UNLIKELY(offset == PAGE_NEW_SUPREMUM) - || UNIV_UNLIKELY(offset == PAGE_OLD_SUPREMUM)); -} - -/************************************************************//** -TRUE if the record is the infimum record on a page. -@return TRUE if the infimum record */ -UNIV_INLINE -ibool -page_rec_is_infimum_low( -/*====================*/ - ulint offset) /*!< in: record offset on page */ -{ - ut_ad(offset >= PAGE_NEW_INFIMUM); - ut_ad(offset <= UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START); - - return(UNIV_UNLIKELY(offset == PAGE_NEW_INFIMUM) - || UNIV_UNLIKELY(offset == PAGE_OLD_INFIMUM)); -} - -/************************************************************//** -TRUE if the record is a user record on the page. -@return TRUE if a user record */ -UNIV_INLINE -ibool -page_rec_is_user_rec( -/*=================*/ - const rec_t* rec) /*!< in: record */ -{ - return(page_rec_is_user_rec_low(page_offset(rec))); -} - -/************************************************************//** -TRUE if the record is the supremum record on a page. -@return TRUE if the supremum record */ -UNIV_INLINE -ibool -page_rec_is_supremum( -/*=================*/ - const rec_t* rec) /*!< in: record */ -{ - return(page_rec_is_supremum_low(page_offset(rec))); -} - -/************************************************************//** -TRUE if the record is the infimum record on a page. -@return TRUE if the infimum record */ -UNIV_INLINE -ibool -page_rec_is_infimum( -/*================*/ - const rec_t* rec) /*!< in: record */ -{ - return(page_rec_is_infimum_low(page_offset(rec))); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Compares a data tuple to a physical record. Differs from the function -cmp_dtuple_rec_with_match in the way that the record must reside on an -index page, and also page infimum and supremum records can be given in -the parameter rec. These are considered as the negative infinity and -the positive infinity in the alphabetical order. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared */ -UNIV_INLINE -int -page_cmp_dtuple_rec_with_match( -/*===========================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record on a page; may also - be page infimum or supremum, in which case - matched-parameter values below are not - affected */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when function returns - contains the value for current comparison */ - ulint* matched_bytes) /*!< in/out: number of already matched - bytes within the first field not completely - matched; when function returns contains the - value for current comparison */ -{ - ulint rec_offset; - - ut_ad(dtuple_check_typed(dtuple)); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(!rec_offs_comp(offsets) == !page_rec_is_comp(rec)); - - rec_offset = page_offset(rec); - - if (UNIV_UNLIKELY(rec_offset == PAGE_NEW_INFIMUM) - || UNIV_UNLIKELY(rec_offset == PAGE_OLD_INFIMUM)) { - return(1); - } - if (UNIV_UNLIKELY(rec_offset == PAGE_NEW_SUPREMUM) - || UNIV_UNLIKELY(rec_offset == PAGE_OLD_SUPREMUM)) { - return(-1); - } - - return(cmp_dtuple_rec_with_match(dtuple, rec, offsets, - matched_fields, - matched_bytes)); -} -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Gets the page number. -@return page number */ -UNIV_INLINE -ulint -page_get_page_no( -/*=============*/ - const page_t* page) /*!< in: page */ -{ - ut_ad(page == page_align((page_t*) page)); - return(mach_read_from_4(page + FIL_PAGE_OFFSET)); -} - -/*************************************************************//** -Gets the tablespace identifier. -@return space id */ -UNIV_INLINE -ulint -page_get_space_id( -/*==============*/ - const page_t* page) /*!< in: page */ -{ - ut_ad(page == page_align((page_t*) page)); - return(mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); -} - -/*************************************************************//** -Gets the number of user records on page (infimum and supremum records -are not user records). -@return number of user records */ -UNIV_INLINE -ulint -page_get_n_recs( -/*============*/ - const page_t* page) /*!< in: index page */ -{ - return(page_header_get_field(page, PAGE_N_RECS)); -} - -/*************************************************************//** -Gets the number of dir slots in directory. -@return number of slots */ -UNIV_INLINE -ulint -page_dir_get_n_slots( -/*=================*/ - const page_t* page) /*!< in: index page */ -{ - return(page_header_get_field(page, PAGE_N_DIR_SLOTS)); -} -/*************************************************************//** -Sets the number of dir slots in directory. */ -UNIV_INLINE -void -page_dir_set_n_slots( -/*=================*/ - page_t* page, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - ulint n_slots)/*!< in: number of slots */ -{ - page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots); -} - -/*************************************************************//** -Gets the number of records in the heap. -@return number of user records */ -UNIV_INLINE -ulint -page_dir_get_n_heap( -/*================*/ - const page_t* page) /*!< in: index page */ -{ - return(page_header_get_field(page, PAGE_N_HEAP) & 0x7fff); -} - -/*************************************************************//** -Sets the number of records in the heap. */ -UNIV_INLINE -void -page_dir_set_n_heap( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL. - Note that the size of the dense page directory - in the compressed page trailer is - n_heap * PAGE_ZIP_DIR_SLOT_SIZE. */ - ulint n_heap) /*!< in: number of records */ -{ - ut_ad(n_heap < 0x8000); - ut_ad(!page_zip || n_heap - == (page_header_get_field(page, PAGE_N_HEAP) & 0x7fff) + 1); - - page_header_set_field(page, page_zip, PAGE_N_HEAP, n_heap - | (0x8000 - & page_header_get_field(page, PAGE_N_HEAP))); -} - -#ifdef UNIV_DEBUG -/*************************************************************//** -Gets pointer to nth directory slot. -@return pointer to dir slot */ -UNIV_INLINE -page_dir_slot_t* -page_dir_get_nth_slot( -/*==================*/ - const page_t* page, /*!< in: index page */ - ulint n) /*!< in: position */ -{ - ut_ad(page_dir_get_n_slots(page) > n); - - return((page_dir_slot_t*) - page + UNIV_PAGE_SIZE - PAGE_DIR - - (n + 1) * PAGE_DIR_SLOT_SIZE); -} -#endif /* UNIV_DEBUG */ - -/**************************************************************//** -Used to check the consistency of a record on a page. -@return TRUE if succeed */ -UNIV_INLINE -ibool -page_rec_check( -/*===========*/ - const rec_t* rec) /*!< in: record */ -{ - const page_t* page = page_align(rec); - - ut_a(rec); - - ut_a(page_offset(rec) <= page_header_get_field(page, PAGE_HEAP_TOP)); - ut_a(page_offset(rec) >= PAGE_DATA); - - return(TRUE); -} - -/***************************************************************//** -Gets the record pointed to by a directory slot. -@return pointer to record */ -UNIV_INLINE -const rec_t* -page_dir_slot_get_rec( -/*==================*/ - const page_dir_slot_t* slot) /*!< in: directory slot */ -{ - return(page_align(slot) + mach_read_from_2(slot)); -} - -/***************************************************************//** -This is used to set the record offset in a directory slot. */ -UNIV_INLINE -void -page_dir_slot_set_rec( -/*==================*/ - page_dir_slot_t* slot, /*!< in: directory slot */ - rec_t* rec) /*!< in: record on the page */ -{ - ut_ad(page_rec_check(rec)); - - mach_write_to_2(slot, page_offset(rec)); -} - -/***************************************************************//** -Gets the number of records owned by a directory slot. -@return number of records */ -UNIV_INLINE -ulint -page_dir_slot_get_n_owned( -/*======================*/ - const page_dir_slot_t* slot) /*!< in: page directory slot */ -{ - const rec_t* rec = page_dir_slot_get_rec(slot); - if (page_rec_is_comp(slot)) { - return(rec_get_n_owned_new(rec)); - } else { - return(rec_get_n_owned_old(rec)); - } -} - -/***************************************************************//** -This is used to set the owned records field of a directory slot. */ -UNIV_INLINE -void -page_dir_slot_set_n_owned( -/*======================*/ - page_dir_slot_t*slot, /*!< in/out: directory slot */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint n) /*!< in: number of records owned by the slot */ -{ - rec_t* rec = (rec_t*) page_dir_slot_get_rec(slot); - if (page_rec_is_comp(slot)) { - rec_set_n_owned_new(rec, page_zip, n); - } else { - ut_ad(!page_zip); - rec_set_n_owned_old(rec, n); - } -} - -/************************************************************//** -Calculates the space reserved for directory slots of a given number of -records. The exact value is a fraction number n * PAGE_DIR_SLOT_SIZE / -PAGE_DIR_SLOT_MIN_N_OWNED, and it is rounded upwards to an integer. */ -UNIV_INLINE -ulint -page_dir_calc_reserved_space( -/*=========================*/ - ulint n_recs) /*!< in: number of records */ -{ - return((PAGE_DIR_SLOT_SIZE * n_recs + PAGE_DIR_SLOT_MIN_N_OWNED - 1) - / PAGE_DIR_SLOT_MIN_N_OWNED); -} - -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -const rec_t* -page_rec_get_next_low( -/*==================*/ - const rec_t* rec, /*!< in: pointer to record */ - ulint comp) /*!< in: nonzero=compact page layout */ -{ - ulint offs; - const page_t* page; - - ut_ad(page_rec_check(rec)); - - page = page_align(rec); - - offs = rec_get_next_offs(rec, comp); - - if (UNIV_UNLIKELY(offs >= UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Next record offset is nonsensical %lu" - " in record at offset %lu\n" - "InnoDB: rec address %p, space id %lu, page %lu\n", - (ulong)offs, (ulong) page_offset(rec), - (void*) rec, - (ulong) page_get_space_id(page), - (ulong) page_get_page_no(page)); - buf_page_print(page, 0); - - ut_error; - } - - if (UNIV_UNLIKELY(offs == 0)) { - - return(NULL); - } - - return(page + offs); -} - -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -rec_t* -page_rec_get_next( -/*==============*/ - rec_t* rec) /*!< in: pointer to record */ -{ - return((rec_t*) page_rec_get_next_low(rec, page_rec_is_comp(rec))); -} - -/************************************************************//** -Gets the pointer to the next record on the page. -@return pointer to next record */ -UNIV_INLINE -const rec_t* -page_rec_get_next_const( -/*====================*/ - const rec_t* rec) /*!< in: pointer to record */ -{ - return(page_rec_get_next_low(rec, page_rec_is_comp(rec))); -} - -/************************************************************//** -Sets the pointer to the next record on the page. */ -UNIV_INLINE -void -page_rec_set_next( -/*==============*/ - rec_t* rec, /*!< in: pointer to record, - must not be page supremum */ - rec_t* next) /*!< in: pointer to next record, - must not be page infimum */ -{ - ulint offs; - - ut_ad(page_rec_check(rec)); - ut_ad(!page_rec_is_supremum(rec)); - ut_ad(rec != next); - - ut_ad(!next || !page_rec_is_infimum(next)); - ut_ad(!next || page_align(rec) == page_align(next)); - - if (UNIV_LIKELY(next != NULL)) { - offs = page_offset(next); - } else { - offs = 0; - } - - if (page_rec_is_comp(rec)) { - rec_set_next_offs_new(rec, offs); - } else { - rec_set_next_offs_old(rec, offs); - } -} - -/************************************************************//** -Gets the pointer to the previous record. -@return pointer to previous record */ -UNIV_INLINE -const rec_t* -page_rec_get_prev_const( -/*====================*/ - const rec_t* rec) /*!< in: pointer to record, must not be page - infimum */ -{ - const page_dir_slot_t* slot; - ulint slot_no; - const rec_t* rec2; - const rec_t* prev_rec = NULL; - const page_t* page; - - ut_ad(page_rec_check(rec)); - - page = page_align(rec); - - ut_ad(!page_rec_is_infimum(rec)); - - slot_no = page_dir_find_owner_slot(rec); - - ut_a(slot_no != 0); - - slot = page_dir_get_nth_slot(page, slot_no - 1); - - rec2 = page_dir_slot_get_rec(slot); - - if (page_is_comp(page)) { - while (rec != rec2) { - prev_rec = rec2; - rec2 = page_rec_get_next_low(rec2, TRUE); - } - } else { - while (rec != rec2) { - prev_rec = rec2; - rec2 = page_rec_get_next_low(rec2, FALSE); - } - } - - ut_a(prev_rec); - - return(prev_rec); -} - -/************************************************************//** -Gets the pointer to the previous record. -@return pointer to previous record */ -UNIV_INLINE -rec_t* -page_rec_get_prev( -/*==============*/ - rec_t* rec) /*!< in: pointer to record, must not be page - infimum */ -{ - return((rec_t*) page_rec_get_prev_const(rec)); -} - -/***************************************************************//** -Looks for the record which owns the given record. -@return the owner record */ -UNIV_INLINE -rec_t* -page_rec_find_owner_rec( -/*====================*/ - rec_t* rec) /*!< in: the physical record */ -{ - ut_ad(page_rec_check(rec)); - - if (page_rec_is_comp(rec)) { - while (rec_get_n_owned_new(rec) == 0) { - rec = page_rec_get_next(rec); - } - } else { - while (rec_get_n_owned_old(rec) == 0) { - rec = page_rec_get_next(rec); - } - } - - return(rec); -} - -/**********************************************************//** -Returns the base extra size of a physical record. This is the -size of the fixed header, independent of the record size. -@return REC_N_NEW_EXTRA_BYTES or REC_N_OLD_EXTRA_BYTES */ -UNIV_INLINE -ulint -page_rec_get_base_extra_size( -/*=========================*/ - const rec_t* rec) /*!< in: physical record */ -{ -#if REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES -# error "REC_N_NEW_EXTRA_BYTES + 1 != REC_N_OLD_EXTRA_BYTES" -#endif - return(REC_N_NEW_EXTRA_BYTES + (ulint) !page_rec_is_comp(rec)); -} - -/************************************************************//** -Returns the sum of the sizes of the records in the record list, excluding -the infimum and supremum records. -@return data in bytes */ -UNIV_INLINE -ulint -page_get_data_size( -/*===============*/ - const page_t* page) /*!< in: index page */ -{ - ulint ret; - - ret = (ulint)(page_header_get_field(page, PAGE_HEAP_TOP) - - (page_is_comp(page) - ? PAGE_NEW_SUPREMUM_END - : PAGE_OLD_SUPREMUM_END) - - page_header_get_field(page, PAGE_GARBAGE)); - - ut_ad(ret < UNIV_PAGE_SIZE); - - return(ret); -} - - -/************************************************************//** -Allocates a block of memory from the free list of an index page. */ -UNIV_INLINE -void -page_mem_alloc_free( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page with enough - space available for inserting the record, - or NULL */ - rec_t* next_rec,/*!< in: pointer to the new head of the - free record list */ - ulint need) /*!< in: number of bytes allocated */ -{ - ulint garbage; - -#ifdef UNIV_DEBUG - const rec_t* old_rec = page_header_get_ptr(page, PAGE_FREE); - ulint next_offs; - - ut_ad(old_rec); - next_offs = rec_get_next_offs(old_rec, page_is_comp(page)); - ut_ad(next_rec == (next_offs ? page + next_offs : NULL)); -#endif - - page_header_set_ptr(page, page_zip, PAGE_FREE, next_rec); - - garbage = page_header_get_field(page, PAGE_GARBAGE); - ut_ad(garbage >= need); - - page_header_set_field(page, page_zip, PAGE_GARBAGE, garbage - need); -} - -/*************************************************************//** -Calculates free space if a page is emptied. -@return free space */ -UNIV_INLINE -ulint -page_get_free_space_of_empty( -/*=========================*/ - ulint comp) /*!< in: nonzero=compact page layout */ -{ - if (UNIV_LIKELY(comp)) { - return((ulint)(UNIV_PAGE_SIZE - - PAGE_NEW_SUPREMUM_END - - PAGE_DIR - - 2 * PAGE_DIR_SLOT_SIZE)); - } - - return((ulint)(UNIV_PAGE_SIZE - - PAGE_OLD_SUPREMUM_END - - PAGE_DIR - - 2 * PAGE_DIR_SLOT_SIZE)); -} - -/************************************************************//** -Each user record on a page, and also the deleted user records in the heap -takes its size plus the fraction of the dir cell size / -PAGE_DIR_SLOT_MIN_N_OWNED bytes for it. If the sum of these exceeds the -value of page_get_free_space_of_empty, the insert is impossible, otherwise -it is allowed. This function returns the maximum combined size of records -which can be inserted on top of the record heap. -@return maximum combined size for inserted records */ -UNIV_INLINE -ulint -page_get_max_insert_size( -/*=====================*/ - const page_t* page, /*!< in: index page */ - ulint n_recs) /*!< in: number of records */ -{ - ulint occupied; - ulint free_space; - - if (page_is_comp(page)) { - occupied = page_header_get_field(page, PAGE_HEAP_TOP) - - PAGE_NEW_SUPREMUM_END - + page_dir_calc_reserved_space( - n_recs + page_dir_get_n_heap(page) - 2); - - free_space = page_get_free_space_of_empty(TRUE); - } else { - occupied = page_header_get_field(page, PAGE_HEAP_TOP) - - PAGE_OLD_SUPREMUM_END - + page_dir_calc_reserved_space( - n_recs + page_dir_get_n_heap(page) - 2); - - free_space = page_get_free_space_of_empty(FALSE); - } - - /* Above the 'n_recs +' part reserves directory space for the new - inserted records; the '- 2' excludes page infimum and supremum - records */ - - if (occupied > free_space) { - - return(0); - } - - return(free_space - occupied); -} - -/************************************************************//** -Returns the maximum combined size of records which can be inserted on top -of the record heap if a page is first reorganized. -@return maximum combined size for inserted records */ -UNIV_INLINE -ulint -page_get_max_insert_size_after_reorganize( -/*======================================*/ - const page_t* page, /*!< in: index page */ - ulint n_recs) /*!< in: number of records */ -{ - ulint occupied; - ulint free_space; - - occupied = page_get_data_size(page) - + page_dir_calc_reserved_space(n_recs + page_get_n_recs(page)); - - free_space = page_get_free_space_of_empty(page_is_comp(page)); - - if (occupied > free_space) { - - return(0); - } - - return(free_space - occupied); -} - -/************************************************************//** -Puts a record to free list. */ -UNIV_INLINE -void -page_mem_free( -/*==========*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - rec_t* rec, /*!< in: pointer to the (origin of) record */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - rec_t* free; - ulint garbage; - - ut_ad(rec_offs_validate(rec, index, offsets)); - free = page_header_get_ptr(page, PAGE_FREE); - - page_rec_set_next(rec, free); - page_header_set_ptr(page, page_zip, PAGE_FREE, rec); - - garbage = page_header_get_field(page, PAGE_GARBAGE); - - page_header_set_field(page, page_zip, PAGE_GARBAGE, - garbage + rec_offs_size(offsets)); - - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_dir_delete(page_zip, rec, index, offsets, free); - } else { - page_header_set_field(page, page_zip, PAGE_N_RECS, - page_get_n_recs(page) - 1); - } -} - -#ifdef UNIV_MATERIALIZE -#undef UNIV_INLINE -#define UNIV_INLINE UNIV_INLINE_ORIGINAL -#endif diff --git a/perfschema/include/page0types.h b/perfschema/include/page0types.h deleted file mode 100644 index d9a277bf208..00000000000 --- a/perfschema/include/page0types.h +++ /dev/null @@ -1,150 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/page0types.h -Index page routines - -Created 2/2/1994 Heikki Tuuri -*******************************************************/ - -#ifndef page0types_h -#define page0types_h - -#include "univ.i" -#include "dict0types.h" -#include "mtr0types.h" - -/** Eliminates a name collision on HP-UX */ -#define page_t ib_page_t -/** Type of the index page */ -typedef byte page_t; -/** Index page cursor */ -typedef struct page_cur_struct page_cur_t; - -/** Compressed index page */ -typedef byte page_zip_t; -/** Compressed page descriptor */ -typedef struct page_zip_des_struct page_zip_des_t; - -/* The following definitions would better belong to page0zip.h, -but we cannot include page0zip.h from rem0rec.ic, because -page0*.h includes rem0rec.h and may include rem0rec.ic. */ - -/** Number of bits needed for representing different compressed page sizes */ -#define PAGE_ZIP_SSIZE_BITS 3 - -/** log2 of smallest compressed page size */ -#define PAGE_ZIP_MIN_SIZE_SHIFT 10 -/** Smallest compressed page size */ -#define PAGE_ZIP_MIN_SIZE (1 << PAGE_ZIP_MIN_SIZE_SHIFT) - -/** Number of supported compressed page sizes */ -#define PAGE_ZIP_NUM_SSIZE (UNIV_PAGE_SIZE_SHIFT - PAGE_ZIP_MIN_SIZE_SHIFT + 2) -#if PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS) -# error "PAGE_ZIP_NUM_SSIZE > (1 << PAGE_ZIP_SSIZE_BITS)" -#endif - -/** Compressed page descriptor */ -struct page_zip_des_struct -{ - page_zip_t* data; /*!< compressed page data */ - -#ifdef UNIV_DEBUG - unsigned m_start:16; /*!< start offset of modification log */ -#endif /* UNIV_DEBUG */ - unsigned m_end:16; /*!< end offset of modification log */ - unsigned m_nonempty:1; /*!< TRUE if the modification log - is not empty */ - unsigned n_blobs:12; /*!< number of externally stored - columns on the page; the maximum - is 744 on a 16 KiB page */ - unsigned ssize:PAGE_ZIP_SSIZE_BITS; - /*!< 0 or compressed page size; - the size in bytes is - PAGE_ZIP_MIN_SIZE << (ssize - 1). */ -}; - -/** Compression statistics for a given page size */ -struct page_zip_stat_struct { - /** Number of page compressions */ - ulint compressed; - /** Number of successful page compressions */ - ulint compressed_ok; - /** Number of page decompressions */ - ulint decompressed; - /** Duration of page compressions in microseconds */ - ib_uint64_t compressed_usec; - /** Duration of page decompressions in microseconds */ - ib_uint64_t decompressed_usec; -}; - -/** Compression statistics */ -typedef struct page_zip_stat_struct page_zip_stat_t; - -/** Statistics on compression, indexed by page_zip_des_struct::ssize - 1 */ -extern page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; - -/**********************************************************************//** -Write the "deleted" flag of a record on a compressed page. The flag must -already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_deleted( -/*=====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ - __attribute__((nonnull)); - -/**********************************************************************//** -Write the "owned" flag of a record on a compressed page. The n_owned field -must already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_owned( -/*===================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ - __attribute__((nonnull)); - -/**********************************************************************//** -Shift the dense page directory when a record is deleted. */ -UNIV_INTERN -void -page_zip_dir_delete( -/*================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in: deleted record */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets,/*!< in: rec_get_offsets(rec) */ - const byte* free) /*!< in: previous start of the free list */ - __attribute__((nonnull(1,2,3,4))); - -/**********************************************************************//** -Add a slot to the dense page directory. */ -UNIV_INTERN -void -page_zip_dir_add_slot( -/*==================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - ulint is_clustered) /*!< in: nonzero for clustered index, - zero for others */ - __attribute__((nonnull)); -#endif diff --git a/perfschema/include/page0zip.h b/perfschema/include/page0zip.h deleted file mode 100644 index 574809e5227..00000000000 --- a/perfschema/include/page0zip.h +++ /dev/null @@ -1,475 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/page0zip.h -Compressed page interface - -Created June 2005 by Marko Makela -*******************************************************/ - -#ifndef page0zip_h -#define page0zip_h - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE -#endif - -#include "mtr0types.h" -#include "page0types.h" -#include "buf0types.h" -#include "dict0types.h" -#include "trx0types.h" -#include "mem0mem.h" - -/**********************************************************************//** -Determine the size of a compressed page in bytes. -@return size in bytes */ -UNIV_INLINE -ulint -page_zip_get_size( -/*==============*/ - const page_zip_des_t* page_zip) /*!< in: compressed page */ - __attribute__((nonnull, pure)); -/**********************************************************************//** -Set the size of a compressed page in bytes. */ -UNIV_INLINE -void -page_zip_set_size( -/*==============*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - ulint size); /*!< in: size in bytes */ - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Determine if a record is so big that it needs to be stored externally. -@return FALSE if the entire record can be stored locally on the page */ -UNIV_INLINE -ibool -page_zip_rec_needs_ext( -/*===================*/ - ulint rec_size, /*!< in: length of the record in bytes */ - ulint comp, /*!< in: nonzero=compact format */ - ulint n_fields, /*!< in: number of fields in the record; - ignored if zip_size == 0 */ - ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ - __attribute__((const)); - -/**********************************************************************//** -Determine the guaranteed free space on an empty page. -@return minimum payload size on the page */ -UNIV_INTERN -ulint -page_zip_empty_size( -/*================*/ - ulint n_fields, /*!< in: number of columns in the index */ - ulint zip_size) /*!< in: compressed page size in bytes */ - __attribute__((const)); -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Initialize a compressed page descriptor. */ -UNIV_INLINE -void -page_zip_des_init( -/*==============*/ - page_zip_des_t* page_zip); /*!< in/out: compressed page - descriptor */ - -/**********************************************************************//** -Configure the zlib allocator to use the given memory heap. */ -UNIV_INTERN -void -page_zip_set_alloc( -/*===============*/ - void* stream, /*!< in/out: zlib stream */ - mem_heap_t* heap); /*!< in: memory heap to use */ - -/**********************************************************************//** -Compress a page. -@return TRUE on success, FALSE on failure; page_zip will be left -intact on failure. */ -UNIV_INTERN -ibool -page_zip_compress( -/*==============*/ - page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, - m_start, m_end, m_nonempty */ - const page_t* page, /*!< in: uncompressed page */ - dict_index_t* index, /*!< in: index of the B-tree node */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ - __attribute__((nonnull(1,2,3))); - -/**********************************************************************//** -Decompress a page. This function should tolerate errors on the compressed -page. Instead of letting assertions fail, it will return FALSE if an -inconsistency is detected. -@return TRUE on success, FALSE on failure */ -UNIV_INTERN -ibool -page_zip_decompress( -/*================*/ - page_zip_des_t* page_zip,/*!< in: data, ssize; - out: m_start, m_end, m_nonempty, n_blobs */ - page_t* page, /*!< out: uncompressed page, may be trashed */ - ibool all) /*!< in: TRUE=decompress the whole page; - FALSE=verify but do not copy some - page header fields that should not change - after page creation */ - __attribute__((nonnull(1,2))); - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Validate a compressed page descriptor. -@return TRUE if ok */ -UNIV_INLINE -ibool -page_zip_simple_validate( -/*=====================*/ - const page_zip_des_t* page_zip); /*!< in: compressed page - descriptor */ -#endif /* UNIV_DEBUG */ - -#ifdef UNIV_ZIP_DEBUG -/**********************************************************************//** -Check that the compressed and decompressed pages match. -@return TRUE if valid, FALSE if not */ -UNIV_INTERN -ibool -page_zip_validate_low( -/*==================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const page_t* page, /*!< in: uncompressed page */ - ibool sloppy) /*!< in: FALSE=strict, - TRUE=ignore the MIN_REC_FLAG */ - __attribute__((nonnull)); -/**********************************************************************//** -Check that the compressed and decompressed pages match. */ -UNIV_INTERN -ibool -page_zip_validate( -/*==============*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const page_t* page) /*!< in: uncompressed page */ - __attribute__((nonnull)); -#endif /* UNIV_ZIP_DEBUG */ - -/**********************************************************************//** -Determine how big record can be inserted without recompressing the page. -@return a positive number indicating the maximum size of a record -whose insertion is guaranteed to succeed, or zero or negative */ -UNIV_INLINE -lint -page_zip_max_ins_size( -/*==================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - ibool is_clust)/*!< in: TRUE if clustered index */ - __attribute__((nonnull, pure)); - -/**********************************************************************//** -Determine if enough space is available in the modification log. -@return TRUE if page_zip_write_rec() will succeed */ -UNIV_INLINE -ibool -page_zip_available( -/*===============*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - ibool is_clust,/*!< in: TRUE if clustered index */ - ulint length, /*!< in: combined size of the record */ - ulint create) /*!< in: nonzero=add the record to - the heap */ - __attribute__((nonnull, pure)); - -/**********************************************************************//** -Write data to the uncompressed header portion of a page. The data must -already have been written to the uncompressed page. */ -UNIV_INLINE -void -page_zip_write_header( -/*==================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* str, /*!< in: address on the uncompressed page */ - ulint length, /*!< in: length of the data */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ - __attribute__((nonnull(1,2))); - -/**********************************************************************//** -Write an entire record on the compressed page. The data must already -have been written to the uncompressed page. */ -UNIV_INTERN -void -page_zip_write_rec( -/*===============*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record being written */ - dict_index_t* index, /*!< in: the index the record belongs to */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint create) /*!< in: nonzero=insert, zero=update */ - __attribute__((nonnull)); - -/***********************************************************//** -Parses a log record of writing a BLOB pointer of a record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_blob_ptr( -/*==========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip);/*!< in/out: compressed page */ - -/**********************************************************************//** -Write a BLOB pointer of a record on the leaf page of a clustered index. -The information must already have been updated on the uncompressed page. */ -UNIV_INTERN -void -page_zip_write_blob_ptr( -/*====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in/out: record whose data is being - written */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint n, /*!< in: column index */ - mtr_t* mtr) /*!< in: mini-transaction handle, - or NULL if no logging is needed */ - __attribute__((nonnull(1,2,3,4))); - -/***********************************************************//** -Parses a log record of writing the node pointer of a record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_node_ptr( -/*==========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip);/*!< in/out: compressed page */ - -/**********************************************************************//** -Write the node pointer of a record on a non-leaf compressed page. */ -UNIV_INTERN -void -page_zip_write_node_ptr( -/*====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in/out: record */ - ulint size, /*!< in: data size of rec */ - ulint ptr, /*!< in: node pointer */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ - __attribute__((nonnull(1,2))); - -/**********************************************************************//** -Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ -UNIV_INTERN -void -page_zip_write_trx_id_and_roll_ptr( -/*===============================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in/out: record */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ - trx_id_t trx_id, /*!< in: transaction identifier */ - roll_ptr_t roll_ptr)/*!< in: roll_ptr */ - __attribute__((nonnull)); - -/**********************************************************************//** -Write the "deleted" flag of a record on a compressed page. The flag must -already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_deleted( -/*=====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ - __attribute__((nonnull)); - -/**********************************************************************//** -Write the "owned" flag of a record on a compressed page. The n_owned field -must already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_owned( -/*===================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ - __attribute__((nonnull)); - -/**********************************************************************//** -Insert a record to the dense page directory. */ -UNIV_INTERN -void -page_zip_dir_insert( -/*================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* prev_rec,/*!< in: record after which to insert */ - const byte* free_rec,/*!< in: record from which rec was - allocated, or NULL */ - byte* rec); /*!< in: record to insert */ - -/**********************************************************************//** -Shift the dense page directory and the array of BLOB pointers -when a record is deleted. */ -UNIV_INTERN -void -page_zip_dir_delete( -/*================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in: deleted record */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets,/*!< in: rec_get_offsets(rec) */ - const byte* free) /*!< in: previous start of the free list */ - __attribute__((nonnull(1,2,3,4))); - -/**********************************************************************//** -Add a slot to the dense page directory. */ -UNIV_INTERN -void -page_zip_dir_add_slot( -/*==================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - ulint is_clustered) /*!< in: nonzero for clustered index, - zero for others */ - __attribute__((nonnull)); - -/***********************************************************//** -Parses a log record of writing to the header of a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_header( -/*========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip);/*!< in/out: compressed page */ - -/**********************************************************************//** -Write data to the uncompressed header portion of a page. The data must -already have been written to the uncompressed page. -However, the data portion of the uncompressed page may differ from -the compressed page when a record is being inserted in -page_cur_insert_rec_low(). */ -UNIV_INLINE -void -page_zip_write_header( -/*==================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* str, /*!< in: address on the uncompressed page */ - ulint length, /*!< in: length of the data */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ - __attribute__((nonnull(1,2))); - -/**********************************************************************//** -Reorganize and compress a page. This is a low-level operation for -compressed pages, to be used when page_zip_compress() fails. -On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. -The function btr_page_reorganize() should be preferred whenever possible. -IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a -non-clustered index, the caller must update the insert buffer free -bits in the same mini-transaction in such a way that the modification -will be redo-logged. -@return TRUE on success, FALSE on failure; page_zip will be left -intact on failure, but page will be overwritten. */ -UNIV_INTERN -ibool -page_zip_reorganize( -/*================*/ - buf_block_t* block, /*!< in/out: page with compressed page; - on the compressed page, in: size; - out: data, n_blobs, - m_start, m_end, m_nonempty */ - dict_index_t* index, /*!< in: index of the B-tree node */ - mtr_t* mtr) /*!< in: mini-transaction */ - __attribute__((nonnull)); -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Copy the records of a page byte for byte. Do not copy the page header -or trailer, except those B-tree header fields that are directly -related to the storage of records. Also copy PAGE_MAX_TRX_ID. -NOTE: The caller must update the lock table and the adaptive hash index. */ -UNIV_INTERN -void -page_zip_copy_recs( -/*===============*/ - page_zip_des_t* page_zip, /*!< out: copy of src_zip - (n_blobs, m_start, m_end, - m_nonempty, data[0..size-1]) */ - page_t* page, /*!< out: copy of src */ - const page_zip_des_t* src_zip, /*!< in: compressed page */ - const page_t* src, /*!< in: page */ - dict_index_t* index, /*!< in: index of the B-tree */ - mtr_t* mtr) /*!< in: mini-transaction */ - __attribute__((nonnull(1,2,3,4))); -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Parses a log record of compressing an index page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_compress( -/*====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< out: uncompressed page */ - page_zip_des_t* page_zip)/*!< out: compressed page */ - __attribute__((nonnull(1,2))); - -/**********************************************************************//** -Calculate the compressed page checksum. -@return page checksum */ -UNIV_INTERN -ulint -page_zip_calc_checksum( -/*===================*/ - const void* data, /*!< in: compressed page */ - ulint size) /*!< in: size of compressed page */ - __attribute__((nonnull)); - -#ifndef UNIV_HOTBACKUP -/** Check if a pointer to an uncompressed page matches a compressed page. -@param ptr pointer to an uncompressed page frame -@param page_zip compressed page descriptor -@return TRUE if ptr and page_zip refer to the same block */ -# define PAGE_ZIP_MATCH(ptr, page_zip) \ - (buf_frame_get_page_zip(ptr) == (page_zip)) -#else /* !UNIV_HOTBACKUP */ -/** Check if a pointer to an uncompressed page matches a compressed page. -@param ptr pointer to an uncompressed page frame -@param page_zip compressed page descriptor -@return TRUE if ptr and page_zip refer to the same block */ -# define PAGE_ZIP_MATCH(ptr, page_zip) \ - (page_align(ptr) + UNIV_PAGE_SIZE == (page_zip)->data) -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE UNIV_INLINE_ORIGINAL -#endif - -#ifndef UNIV_NONINL -# include "page0zip.ic" -#endif - -#endif /* page0zip_h */ diff --git a/perfschema/include/page0zip.ic b/perfschema/include/page0zip.ic deleted file mode 100644 index 75cc7a9fcc4..00000000000 --- a/perfschema/include/page0zip.ic +++ /dev/null @@ -1,397 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/page0zip.ic -Compressed page interface - -Created June 2005 by Marko Makela -*******************************************************/ - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE -#endif - -#include "page0zip.h" -#include "page0page.h" - -/* The format of compressed pages is as follows. - -The header and trailer of the uncompressed pages, excluding the page -directory in the trailer, are copied as is to the header and trailer -of the compressed page. - -At the end of the compressed page, there is a dense page directory -pointing to every user record contained on the page, including deleted -records on the free list. The dense directory is indexed in the -collation order, i.e., in the order in which the record list is -linked on the uncompressed page. The infimum and supremum records are -excluded. The two most significant bits of the entries are allocated -for the delete-mark and an n_owned flag indicating the last record in -a chain of records pointed to from the sparse page directory on the -uncompressed page. - -The data between PAGE_ZIP_START and the last page directory entry will -be written in compressed format, starting at offset PAGE_DATA. -Infimum and supremum records are not stored. We exclude the -REC_N_NEW_EXTRA_BYTES in every record header. These can be recovered -from the dense page directory stored at the end of the compressed -page. - -The fields node_ptr (in non-leaf B-tree nodes; level>0), trx_id and -roll_ptr (in leaf B-tree nodes; level=0), and BLOB pointers of -externally stored columns are stored separately, in ascending order of -heap_no and column index, starting backwards from the dense page -directory. - -The compressed data stream may be followed by a modification log -covering the compressed portion of the page, as follows. - -MODIFICATION LOG ENTRY FORMAT -- write record: - - (heap_no - 1) << 1 (1..2 bytes) - - extra bytes backwards - - data bytes -- clear record: - - (heap_no - 1) << 1 | 1 (1..2 bytes) - -The integer values are stored in a variable-length format: -- 0xxxxxxx: 0..127 -- 1xxxxxxx xxxxxxxx: 0..32767 - -The end of the modification log is marked by a 0 byte. - -In summary, the compressed page looks like this: - -(1) Uncompressed page header (PAGE_DATA bytes) -(2) Compressed index information -(3) Compressed page data -(4) Page modification log (page_zip->m_start..page_zip->m_end) -(5) Empty zero-filled space -(6) BLOB pointers (on leaf pages) - - BTR_EXTERN_FIELD_REF_SIZE for each externally stored column - - in descending collation order -(7) Uncompressed columns of user records, n_dense * uncompressed_size bytes, - - indexed by heap_no - - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN for leaf pages of clustered indexes - - REC_NODE_PTR_SIZE for non-leaf pages - - 0 otherwise -(8) dense page directory, stored backwards - - n_dense = n_heap - 2 - - existing records in ascending collation order - - deleted records (free list) in link order -*/ - -/** Start offset of the area that will be compressed */ -#define PAGE_ZIP_START PAGE_NEW_SUPREMUM_END -/** Size of an compressed page directory entry */ -#define PAGE_ZIP_DIR_SLOT_SIZE 2 -/** Mask of record offsets */ -#define PAGE_ZIP_DIR_SLOT_MASK 0x3fff -/** 'owned' flag */ -#define PAGE_ZIP_DIR_SLOT_OWNED 0x4000 -/** 'deleted' flag */ -#define PAGE_ZIP_DIR_SLOT_DEL 0x8000 - -/**********************************************************************//** -Determine the size of a compressed page in bytes. -@return size in bytes */ -UNIV_INLINE -ulint -page_zip_get_size( -/*==============*/ - const page_zip_des_t* page_zip) /*!< in: compressed page */ -{ - ulint size; - - if (UNIV_UNLIKELY(!page_zip->ssize)) { - return(0); - } - - size = (PAGE_ZIP_MIN_SIZE >> 1) << page_zip->ssize; - - ut_ad(size >= PAGE_ZIP_MIN_SIZE); - ut_ad(size <= UNIV_PAGE_SIZE); - - return(size); -} -/**********************************************************************//** -Set the size of a compressed page in bytes. */ -UNIV_INLINE -void -page_zip_set_size( -/*==============*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - ulint size) /*!< in: size in bytes */ -{ - if (size) { - int ssize; - - ut_ad(ut_is_2pow(size)); - - for (ssize = 1; size > (ulint) (512 << ssize); ssize++) { - } - - page_zip->ssize = ssize; - } else { - page_zip->ssize = 0; - } - - ut_ad(page_zip_get_size(page_zip) == size); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Determine if a record is so big that it needs to be stored externally. -@return FALSE if the entire record can be stored locally on the page */ -UNIV_INLINE -ibool -page_zip_rec_needs_ext( -/*===================*/ - ulint rec_size, /*!< in: length of the record in bytes */ - ulint comp, /*!< in: nonzero=compact format */ - ulint n_fields, /*!< in: number of fields in the record; - ignored if zip_size == 0 */ - ulint zip_size) /*!< in: compressed page size in bytes, or 0 */ -{ - ut_ad(rec_size > comp ? REC_N_NEW_EXTRA_BYTES : REC_N_OLD_EXTRA_BYTES); - ut_ad(ut_is_2pow(zip_size)); - ut_ad(comp || !zip_size); - -#if UNIV_PAGE_SIZE > REC_MAX_DATA_SIZE - if (UNIV_UNLIKELY(rec_size >= REC_MAX_DATA_SIZE)) { - return(TRUE); - } -#endif - - if (UNIV_UNLIKELY(zip_size)) { - ut_ad(comp); - /* On a compressed page, there is a two-byte entry in - the dense page directory for every record. But there - is no record header. There should be enough room for - one record on an empty leaf page. Subtract 1 byte for - the encoded heap number. Check also the available space - on the uncompressed page. */ - return(rec_size - (REC_N_NEW_EXTRA_BYTES - 2) - >= (page_zip_empty_size(n_fields, zip_size) - 1) - || rec_size >= page_get_free_space_of_empty(TRUE) / 2); - } - - return(rec_size >= page_get_free_space_of_empty(comp) / 2); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Validate a compressed page descriptor. -@return TRUE if ok */ -UNIV_INLINE -ibool -page_zip_simple_validate( -/*=====================*/ - const page_zip_des_t* page_zip)/*!< in: compressed page descriptor */ -{ - ut_ad(page_zip); - ut_ad(page_zip->data); - ut_ad(page_zip->ssize < PAGE_ZIP_NUM_SSIZE); - ut_ad(page_zip_get_size(page_zip) - > PAGE_DATA + PAGE_ZIP_DIR_SLOT_SIZE); - ut_ad(page_zip->m_start <= page_zip->m_end); - ut_ad(page_zip->m_end < page_zip_get_size(page_zip)); - ut_ad(page_zip->n_blobs - < page_zip_get_size(page_zip) / BTR_EXTERN_FIELD_REF_SIZE); - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -/**********************************************************************//** -Determine if the length of the page trailer. -@return length of the page trailer, in bytes, not including the -terminating zero byte of the modification log */ -UNIV_INLINE -ibool -page_zip_get_trailer_len( -/*=====================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - ibool is_clust,/*!< in: TRUE if clustered index */ - ulint* entry_size)/*!< out: size of the uncompressed - portion of a user record */ -{ - ulint uncompressed_size; - - ut_ad(page_zip_simple_validate(page_zip)); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - if (UNIV_UNLIKELY(!page_is_leaf(page_zip->data))) { - uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE - + REC_NODE_PTR_SIZE; - ut_ad(!page_zip->n_blobs); - } else if (UNIV_UNLIKELY(is_clust)) { - uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - } else { - uncompressed_size = PAGE_ZIP_DIR_SLOT_SIZE; - ut_ad(!page_zip->n_blobs); - } - - if (entry_size) { - *entry_size = uncompressed_size; - } - - return((page_dir_get_n_heap(page_zip->data) - 2) - * uncompressed_size - + page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE); -} - -/**********************************************************************//** -Determine how big record can be inserted without recompressing the page. -@return a positive number indicating the maximum size of a record -whose insertion is guaranteed to succeed, or zero or negative */ -UNIV_INLINE -lint -page_zip_max_ins_size( -/*==================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - ibool is_clust)/*!< in: TRUE if clustered index */ -{ - ulint uncompressed_size; - ulint trailer_len; - - trailer_len = page_zip_get_trailer_len(page_zip, is_clust, - &uncompressed_size); - - /* When a record is created, a pointer may be added to - the dense directory. - Likewise, space for the columns that will not be - compressed will be allocated from the page trailer. - Also the BLOB pointers will be allocated from there, but - we may as well count them in the length of the record. */ - - trailer_len += uncompressed_size; - - return((lint) page_zip_get_size(page_zip) - - trailer_len - page_zip->m_end - - (REC_N_NEW_EXTRA_BYTES - 2)); -} - -/**********************************************************************//** -Determine if enough space is available in the modification log. -@return TRUE if enough space is available */ -UNIV_INLINE -ibool -page_zip_available( -/*===============*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - ibool is_clust,/*!< in: TRUE if clustered index */ - ulint length, /*!< in: combined size of the record */ - ulint create) /*!< in: nonzero=add the record to - the heap */ -{ - ulint uncompressed_size; - ulint trailer_len; - - ut_ad(length > REC_N_NEW_EXTRA_BYTES); - - trailer_len = page_zip_get_trailer_len(page_zip, is_clust, - &uncompressed_size); - - /* Subtract the fixed extra bytes and add the maximum - space needed for identifying the record (encoded heap_no). */ - length -= REC_N_NEW_EXTRA_BYTES - 2; - - if (UNIV_UNLIKELY(create)) { - /* When a record is created, a pointer may be added to - the dense directory. - Likewise, space for the columns that will not be - compressed will be allocated from the page trailer. - Also the BLOB pointers will be allocated from there, but - we may as well count them in the length of the record. */ - - trailer_len += uncompressed_size; - } - - return(UNIV_LIKELY(length - + trailer_len - + page_zip->m_end - < page_zip_get_size(page_zip))); -} - -/**********************************************************************//** -Initialize a compressed page descriptor. */ -UNIV_INLINE -void -page_zip_des_init( -/*==============*/ - page_zip_des_t* page_zip) /*!< in/out: compressed page - descriptor */ -{ - memset(page_zip, 0, sizeof *page_zip); -} - -/**********************************************************************//** -Write a log record of writing to the uncompressed header portion of a page. */ -UNIV_INTERN -void -page_zip_write_header_log( -/*======================*/ - const byte* data,/*!< in: data on the uncompressed page */ - ulint length, /*!< in: length of the data */ - mtr_t* mtr); /*!< in: mini-transaction */ - -/**********************************************************************//** -Write data to the uncompressed header portion of a page. The data must -already have been written to the uncompressed page. -However, the data portion of the uncompressed page may differ from -the compressed page when a record is being inserted in -page_cur_insert_rec_zip(). */ -UNIV_INLINE -void -page_zip_write_header( -/*==================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* str, /*!< in: address on the uncompressed page */ - ulint length, /*!< in: length of the data */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ -{ - ulint pos; - - ut_ad(PAGE_ZIP_MATCH(str, page_zip)); - ut_ad(page_zip_simple_validate(page_zip)); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - pos = page_offset(str); - - ut_ad(pos < PAGE_DATA); - - memcpy(page_zip->data + pos, str, length); - - /* The following would fail in page_cur_insert_rec_zip(). */ - /* ut_ad(page_zip_validate(page_zip, str - pos)); */ - - if (UNIV_LIKELY_NULL(mtr)) { -#ifndef UNIV_HOTBACKUP - page_zip_write_header_log(str, length, mtr); -#endif /* !UNIV_HOTBACKUP */ - } -} - -#ifdef UNIV_MATERIALIZE -# undef UNIV_INLINE -# define UNIV_INLINE UNIV_INLINE_ORIGINAL -#endif diff --git a/perfschema/include/pars0grm.h b/perfschema/include/pars0grm.h deleted file mode 100644 index 3de233eed3a..00000000000 --- a/perfschema/include/pars0grm.h +++ /dev/null @@ -1,236 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software -Foundation, Inc. - -As a special exception, when this file is copied by Bison into a -Bison output file, you may use that output file without restriction. -This special exception was added by the Free Software Foundation -in version 1.24 of Bison. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/* A Bison parser, made by GNU Bison 1.875d. */ - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - PARS_INT_LIT = 258, - PARS_FLOAT_LIT = 259, - PARS_STR_LIT = 260, - PARS_FIXBINARY_LIT = 261, - PARS_BLOB_LIT = 262, - PARS_NULL_LIT = 263, - PARS_ID_TOKEN = 264, - PARS_AND_TOKEN = 265, - PARS_OR_TOKEN = 266, - PARS_NOT_TOKEN = 267, - PARS_GE_TOKEN = 268, - PARS_LE_TOKEN = 269, - PARS_NE_TOKEN = 270, - PARS_PROCEDURE_TOKEN = 271, - PARS_IN_TOKEN = 272, - PARS_OUT_TOKEN = 273, - PARS_BINARY_TOKEN = 274, - PARS_BLOB_TOKEN = 275, - PARS_INT_TOKEN = 276, - PARS_INTEGER_TOKEN = 277, - PARS_FLOAT_TOKEN = 278, - PARS_CHAR_TOKEN = 279, - PARS_IS_TOKEN = 280, - PARS_BEGIN_TOKEN = 281, - PARS_END_TOKEN = 282, - PARS_IF_TOKEN = 283, - PARS_THEN_TOKEN = 284, - PARS_ELSE_TOKEN = 285, - PARS_ELSIF_TOKEN = 286, - PARS_LOOP_TOKEN = 287, - PARS_WHILE_TOKEN = 288, - PARS_RETURN_TOKEN = 289, - PARS_SELECT_TOKEN = 290, - PARS_SUM_TOKEN = 291, - PARS_COUNT_TOKEN = 292, - PARS_DISTINCT_TOKEN = 293, - PARS_FROM_TOKEN = 294, - PARS_WHERE_TOKEN = 295, - PARS_FOR_TOKEN = 296, - PARS_DDOT_TOKEN = 297, - PARS_READ_TOKEN = 298, - PARS_ORDER_TOKEN = 299, - PARS_BY_TOKEN = 300, - PARS_ASC_TOKEN = 301, - PARS_DESC_TOKEN = 302, - PARS_INSERT_TOKEN = 303, - PARS_INTO_TOKEN = 304, - PARS_VALUES_TOKEN = 305, - PARS_UPDATE_TOKEN = 306, - PARS_SET_TOKEN = 307, - PARS_DELETE_TOKEN = 308, - PARS_CURRENT_TOKEN = 309, - PARS_OF_TOKEN = 310, - PARS_CREATE_TOKEN = 311, - PARS_TABLE_TOKEN = 312, - PARS_INDEX_TOKEN = 313, - PARS_UNIQUE_TOKEN = 314, - PARS_CLUSTERED_TOKEN = 315, - PARS_DOES_NOT_FIT_IN_MEM_TOKEN = 316, - PARS_ON_TOKEN = 317, - PARS_ASSIGN_TOKEN = 318, - PARS_DECLARE_TOKEN = 319, - PARS_CURSOR_TOKEN = 320, - PARS_SQL_TOKEN = 321, - PARS_OPEN_TOKEN = 322, - PARS_FETCH_TOKEN = 323, - PARS_CLOSE_TOKEN = 324, - PARS_NOTFOUND_TOKEN = 325, - PARS_TO_CHAR_TOKEN = 326, - PARS_TO_NUMBER_TOKEN = 327, - PARS_TO_BINARY_TOKEN = 328, - PARS_BINARY_TO_NUMBER_TOKEN = 329, - PARS_SUBSTR_TOKEN = 330, - PARS_REPLSTR_TOKEN = 331, - PARS_CONCAT_TOKEN = 332, - PARS_INSTR_TOKEN = 333, - PARS_LENGTH_TOKEN = 334, - PARS_SYSDATE_TOKEN = 335, - PARS_PRINTF_TOKEN = 336, - PARS_ASSERT_TOKEN = 337, - PARS_RND_TOKEN = 338, - PARS_RND_STR_TOKEN = 339, - PARS_ROW_PRINTF_TOKEN = 340, - PARS_COMMIT_TOKEN = 341, - PARS_ROLLBACK_TOKEN = 342, - PARS_WORK_TOKEN = 343, - PARS_UNSIGNED_TOKEN = 344, - PARS_EXIT_TOKEN = 345, - PARS_FUNCTION_TOKEN = 346, - PARS_LOCK_TOKEN = 347, - PARS_SHARE_TOKEN = 348, - PARS_MODE_TOKEN = 349, - NEG = 350 - }; -#endif -#define PARS_INT_LIT 258 -#define PARS_FLOAT_LIT 259 -#define PARS_STR_LIT 260 -#define PARS_FIXBINARY_LIT 261 -#define PARS_BLOB_LIT 262 -#define PARS_NULL_LIT 263 -#define PARS_ID_TOKEN 264 -#define PARS_AND_TOKEN 265 -#define PARS_OR_TOKEN 266 -#define PARS_NOT_TOKEN 267 -#define PARS_GE_TOKEN 268 -#define PARS_LE_TOKEN 269 -#define PARS_NE_TOKEN 270 -#define PARS_PROCEDURE_TOKEN 271 -#define PARS_IN_TOKEN 272 -#define PARS_OUT_TOKEN 273 -#define PARS_BINARY_TOKEN 274 -#define PARS_BLOB_TOKEN 275 -#define PARS_INT_TOKEN 276 -#define PARS_INTEGER_TOKEN 277 -#define PARS_FLOAT_TOKEN 278 -#define PARS_CHAR_TOKEN 279 -#define PARS_IS_TOKEN 280 -#define PARS_BEGIN_TOKEN 281 -#define PARS_END_TOKEN 282 -#define PARS_IF_TOKEN 283 -#define PARS_THEN_TOKEN 284 -#define PARS_ELSE_TOKEN 285 -#define PARS_ELSIF_TOKEN 286 -#define PARS_LOOP_TOKEN 287 -#define PARS_WHILE_TOKEN 288 -#define PARS_RETURN_TOKEN 289 -#define PARS_SELECT_TOKEN 290 -#define PARS_SUM_TOKEN 291 -#define PARS_COUNT_TOKEN 292 -#define PARS_DISTINCT_TOKEN 293 -#define PARS_FROM_TOKEN 294 -#define PARS_WHERE_TOKEN 295 -#define PARS_FOR_TOKEN 296 -#define PARS_DDOT_TOKEN 297 -#define PARS_READ_TOKEN 298 -#define PARS_ORDER_TOKEN 299 -#define PARS_BY_TOKEN 300 -#define PARS_ASC_TOKEN 301 -#define PARS_DESC_TOKEN 302 -#define PARS_INSERT_TOKEN 303 -#define PARS_INTO_TOKEN 304 -#define PARS_VALUES_TOKEN 305 -#define PARS_UPDATE_TOKEN 306 -#define PARS_SET_TOKEN 307 -#define PARS_DELETE_TOKEN 308 -#define PARS_CURRENT_TOKEN 309 -#define PARS_OF_TOKEN 310 -#define PARS_CREATE_TOKEN 311 -#define PARS_TABLE_TOKEN 312 -#define PARS_INDEX_TOKEN 313 -#define PARS_UNIQUE_TOKEN 314 -#define PARS_CLUSTERED_TOKEN 315 -#define PARS_DOES_NOT_FIT_IN_MEM_TOKEN 316 -#define PARS_ON_TOKEN 317 -#define PARS_ASSIGN_TOKEN 318 -#define PARS_DECLARE_TOKEN 319 -#define PARS_CURSOR_TOKEN 320 -#define PARS_SQL_TOKEN 321 -#define PARS_OPEN_TOKEN 322 -#define PARS_FETCH_TOKEN 323 -#define PARS_CLOSE_TOKEN 324 -#define PARS_NOTFOUND_TOKEN 325 -#define PARS_TO_CHAR_TOKEN 326 -#define PARS_TO_NUMBER_TOKEN 327 -#define PARS_TO_BINARY_TOKEN 328 -#define PARS_BINARY_TO_NUMBER_TOKEN 329 -#define PARS_SUBSTR_TOKEN 330 -#define PARS_REPLSTR_TOKEN 331 -#define PARS_CONCAT_TOKEN 332 -#define PARS_INSTR_TOKEN 333 -#define PARS_LENGTH_TOKEN 334 -#define PARS_SYSDATE_TOKEN 335 -#define PARS_PRINTF_TOKEN 336 -#define PARS_ASSERT_TOKEN 337 -#define PARS_RND_TOKEN 338 -#define PARS_RND_STR_TOKEN 339 -#define PARS_ROW_PRINTF_TOKEN 340 -#define PARS_COMMIT_TOKEN 341 -#define PARS_ROLLBACK_TOKEN 342 -#define PARS_WORK_TOKEN 343 -#define PARS_UNSIGNED_TOKEN 344 -#define PARS_EXIT_TOKEN 345 -#define PARS_FUNCTION_TOKEN 346 -#define PARS_LOCK_TOKEN 347 -#define PARS_SHARE_TOKEN 348 -#define PARS_MODE_TOKEN 349 -#define NEG 350 - - - - -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -typedef int YYSTYPE; -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 -#endif - -extern YYSTYPE yylval; - - - diff --git a/perfschema/include/pars0opt.h b/perfschema/include/pars0opt.h deleted file mode 100644 index 42d956068f8..00000000000 --- a/perfschema/include/pars0opt.h +++ /dev/null @@ -1,75 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0opt.h -Simple SQL optimizer - -Created 12/21/1997 Heikki Tuuri -*******************************************************/ - -#ifndef pars0opt_h -#define pars0opt_h - -#include "univ.i" -#include "que0types.h" -#include "usr0types.h" -#include "pars0sym.h" -#include "dict0types.h" -#include "row0sel.h" - -/*******************************************************************//** -Optimizes a select. Decides which indexes to tables to use. The tables -are accessed in the order that they were written to the FROM part in the -select statement. */ -UNIV_INTERN -void -opt_search_plan( -/*============*/ - sel_node_t* sel_node); /*!< in: parsed select node */ -/*******************************************************************//** -Looks for occurrences of the columns of the table in the query subgraph and -adds them to the list of columns if an occurrence of the same column does not -already exist in the list. If the column is already in the list, puts a value -indirection to point to the occurrence in the column list, except if the -column occurrence we are looking at is in the column list, in which case -nothing is done. */ -UNIV_INTERN -void -opt_find_all_cols( -/*==============*/ - ibool copy_val, /*!< in: if TRUE, new found columns are - added as columns to copy */ - dict_index_t* index, /*!< in: index to use */ - sym_node_list_t* col_list, /*!< in: base node of a list where - to add new found columns */ - plan_t* plan, /*!< in: plan or NULL */ - que_node_t* exp); /*!< in: expression or condition */ -/********************************************************************//** -Prints info of a query plan. */ -UNIV_INTERN -void -opt_print_query_plan( -/*=================*/ - sel_node_t* sel_node); /*!< in: select node */ - -#ifndef UNIV_NONINL -#include "pars0opt.ic" -#endif - -#endif diff --git a/perfschema/include/pars0opt.ic b/perfschema/include/pars0opt.ic deleted file mode 100644 index e0bb6bf1af2..00000000000 --- a/perfschema/include/pars0opt.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0opt.ic -Simple SQL optimizer - -Created 12/21/1997 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/pars0pars.h b/perfschema/include/pars0pars.h deleted file mode 100644 index fe5d76ebbb0..00000000000 --- a/perfschema/include/pars0pars.h +++ /dev/null @@ -1,748 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0pars.h -SQL parser - -Created 11/19/1996 Heikki Tuuri -*******************************************************/ - -#ifndef pars0pars_h -#define pars0pars_h - -#include "univ.i" -#include "que0types.h" -#include "usr0types.h" -#include "pars0types.h" -#include "row0types.h" -#include "trx0types.h" -#include "ut0vec.h" - -/** Type of the user functions. The first argument is always InnoDB-supplied -and varies in type, while 'user_arg' is a user-supplied argument. The -meaning of the return type also varies. See the individual use cases, e.g. -the FETCH statement, for details on them. */ -typedef void* (*pars_user_func_cb_t)(void* arg, void* user_arg); - -/** If the following is set TRUE, the parser will emit debugging -information */ -extern int yydebug; - -#ifdef UNIV_SQL_DEBUG -/** If the following is set TRUE, the lexer will print the SQL string -as it tokenizes it */ -extern ibool pars_print_lexed; -#endif /* UNIV_SQL_DEBUG */ - -/* Global variable used while parsing a single procedure or query : the code is -NOT re-entrant */ -extern sym_tab_t* pars_sym_tab_global; - -extern pars_res_word_t pars_to_char_token; -extern pars_res_word_t pars_to_number_token; -extern pars_res_word_t pars_to_binary_token; -extern pars_res_word_t pars_binary_to_number_token; -extern pars_res_word_t pars_substr_token; -extern pars_res_word_t pars_replstr_token; -extern pars_res_word_t pars_concat_token; -extern pars_res_word_t pars_length_token; -extern pars_res_word_t pars_instr_token; -extern pars_res_word_t pars_sysdate_token; -extern pars_res_word_t pars_printf_token; -extern pars_res_word_t pars_assert_token; -extern pars_res_word_t pars_rnd_token; -extern pars_res_word_t pars_rnd_str_token; -extern pars_res_word_t pars_count_token; -extern pars_res_word_t pars_sum_token; -extern pars_res_word_t pars_distinct_token; -extern pars_res_word_t pars_binary_token; -extern pars_res_word_t pars_blob_token; -extern pars_res_word_t pars_int_token; -extern pars_res_word_t pars_char_token; -extern pars_res_word_t pars_float_token; -extern pars_res_word_t pars_update_token; -extern pars_res_word_t pars_asc_token; -extern pars_res_word_t pars_desc_token; -extern pars_res_word_t pars_open_token; -extern pars_res_word_t pars_close_token; -extern pars_res_word_t pars_share_token; -extern pars_res_word_t pars_unique_token; -extern pars_res_word_t pars_clustered_token; - -extern ulint pars_star_denoter; - -/* Procedure parameter types */ -#define PARS_INPUT 0 -#define PARS_OUTPUT 1 -#define PARS_NOT_PARAM 2 - -int -yyparse(void); - -/*************************************************************//** -Parses an SQL string returning the query graph. -@return own: the query graph */ -UNIV_INTERN -que_t* -pars_sql( -/*=====*/ - pars_info_t* info, /*!< in: extra information, or NULL */ - const char* str); /*!< in: SQL string */ -/*************************************************************//** -Retrieves characters to the lexical analyzer. */ -UNIV_INTERN -void -pars_get_lex_chars( -/*===============*/ - char* buf, /*!< in/out: buffer where to copy */ - int* result, /*!< out: number of characters copied or EOF */ - int max_size); /*!< in: maximum number of characters which fit - in the buffer */ -/*************************************************************//** -Called by yyparse on error. */ -UNIV_INTERN -void -yyerror( -/*====*/ - const char* s); /*!< in: error message string */ -/*********************************************************************//** -Parses a variable declaration. -@return own: symbol table node of type SYM_VAR */ -UNIV_INTERN -sym_node_t* -pars_variable_declaration( -/*======================*/ - sym_node_t* node, /*!< in: symbol table node allocated for the - id of the variable */ - pars_res_word_t* type); /*!< in: pointer to a type token */ -/*********************************************************************//** -Parses a function expression. -@return own: function node in a query tree */ -UNIV_INTERN -func_node_t* -pars_func( -/*======*/ - que_node_t* res_word,/*!< in: function name reserved word */ - que_node_t* arg); /*!< in: first argument in the argument list */ -/*********************************************************************//** -Parses an operator expression. -@return own: function node in a query tree */ -UNIV_INTERN -func_node_t* -pars_op( -/*====*/ - int func, /*!< in: operator token code */ - que_node_t* arg1, /*!< in: first argument */ - que_node_t* arg2); /*!< in: second argument or NULL for an unary - operator */ -/*********************************************************************//** -Parses an ORDER BY clause. Order by a single column only is supported. -@return own: order-by node in a query tree */ -UNIV_INTERN -order_node_t* -pars_order_by( -/*==========*/ - sym_node_t* column, /*!< in: column name */ - pars_res_word_t* asc); /*!< in: &pars_asc_token or pars_desc_token */ -/*********************************************************************//** -Parses a select list; creates a query graph node for the whole SELECT -statement. -@return own: select node in a query tree */ -UNIV_INTERN -sel_node_t* -pars_select_list( -/*=============*/ - que_node_t* select_list, /*!< in: select list */ - sym_node_t* into_list); /*!< in: variables list or NULL */ -/*********************************************************************//** -Parses a cursor declaration. -@return sym_node */ -UNIV_INTERN -que_node_t* -pars_cursor_declaration( -/*====================*/ - sym_node_t* sym_node, /*!< in: cursor id node in the symbol - table */ - sel_node_t* select_node); /*!< in: select node */ -/*********************************************************************//** -Parses a function declaration. -@return sym_node */ -UNIV_INTERN -que_node_t* -pars_function_declaration( -/*======================*/ - sym_node_t* sym_node); /*!< in: function id node in the symbol - table */ -/*********************************************************************//** -Parses a select statement. -@return own: select node in a query tree */ -UNIV_INTERN -sel_node_t* -pars_select_statement( -/*==================*/ - sel_node_t* select_node, /*!< in: select node already containing - the select list */ - sym_node_t* table_list, /*!< in: table list */ - que_node_t* search_cond, /*!< in: search condition or NULL */ - pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ - pars_res_word_t* consistent_read,/*!< in: NULL or - &pars_consistent_token */ - order_node_t* order_by); /*!< in: NULL or an order-by node */ -/*********************************************************************//** -Parses a column assignment in an update. -@return column assignment node */ -UNIV_INTERN -col_assign_node_t* -pars_column_assignment( -/*===================*/ - sym_node_t* column, /*!< in: column to assign */ - que_node_t* exp); /*!< in: value to assign */ -/*********************************************************************//** -Parses a delete or update statement start. -@return own: update node in a query tree */ -UNIV_INTERN -upd_node_t* -pars_update_statement_start( -/*========================*/ - ibool is_delete, /*!< in: TRUE if delete */ - sym_node_t* table_sym, /*!< in: table name node */ - col_assign_node_t* col_assign_list);/*!< in: column assignment list, NULL - if delete */ -/*********************************************************************//** -Parses an update or delete statement. -@return own: update node in a query tree */ -UNIV_INTERN -upd_node_t* -pars_update_statement( -/*==================*/ - upd_node_t* node, /*!< in: update node */ - sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in - the symbol table or NULL */ - que_node_t* search_cond); /*!< in: search condition or NULL */ -/*********************************************************************//** -Parses an insert statement. -@return own: update node in a query tree */ -UNIV_INTERN -ins_node_t* -pars_insert_statement( -/*==================*/ - sym_node_t* table_sym, /*!< in: table name node */ - que_node_t* values_list, /*!< in: value expression list or NULL */ - sel_node_t* select); /*!< in: select condition or NULL */ -/*********************************************************************//** -Parses a procedure parameter declaration. -@return own: symbol table node of type SYM_VAR */ -UNIV_INTERN -sym_node_t* -pars_parameter_declaration( -/*=======================*/ - sym_node_t* node, /*!< in: symbol table node allocated for the - id of the parameter */ - ulint param_type, - /*!< in: PARS_INPUT or PARS_OUTPUT */ - pars_res_word_t* type); /*!< in: pointer to a type token */ -/*********************************************************************//** -Parses an elsif element. -@return elsif node */ -UNIV_INTERN -elsif_node_t* -pars_elsif_element( -/*===============*/ - que_node_t* cond, /*!< in: if-condition */ - que_node_t* stat_list); /*!< in: statement list */ -/*********************************************************************//** -Parses an if-statement. -@return if-statement node */ -UNIV_INTERN -if_node_t* -pars_if_statement( -/*==============*/ - que_node_t* cond, /*!< in: if-condition */ - que_node_t* stat_list, /*!< in: statement list */ - que_node_t* else_part); /*!< in: else-part statement list */ -/*********************************************************************//** -Parses a for-loop-statement. -@return for-statement node */ -UNIV_INTERN -for_node_t* -pars_for_statement( -/*===============*/ - sym_node_t* loop_var, /*!< in: loop variable */ - que_node_t* loop_start_limit,/*!< in: loop start expression */ - que_node_t* loop_end_limit, /*!< in: loop end expression */ - que_node_t* stat_list); /*!< in: statement list */ -/*********************************************************************//** -Parses a while-statement. -@return while-statement node */ -UNIV_INTERN -while_node_t* -pars_while_statement( -/*=================*/ - que_node_t* cond, /*!< in: while-condition */ - que_node_t* stat_list); /*!< in: statement list */ -/*********************************************************************//** -Parses an exit statement. -@return exit statement node */ -UNIV_INTERN -exit_node_t* -pars_exit_statement(void); -/*=====================*/ -/*********************************************************************//** -Parses a return-statement. -@return return-statement node */ -UNIV_INTERN -return_node_t* -pars_return_statement(void); -/*=======================*/ -/*********************************************************************//** -Parses a procedure call. -@return function node */ -UNIV_INTERN -func_node_t* -pars_procedure_call( -/*================*/ - que_node_t* res_word,/*!< in: procedure name reserved word */ - que_node_t* args); /*!< in: argument list */ -/*********************************************************************//** -Parses an assignment statement. -@return assignment statement node */ -UNIV_INTERN -assign_node_t* -pars_assignment_statement( -/*======================*/ - sym_node_t* var, /*!< in: variable to assign */ - que_node_t* val); /*!< in: value to assign */ -/*********************************************************************//** -Parses a fetch statement. into_list or user_func (but not both) must be -non-NULL. -@return fetch statement node */ -UNIV_INTERN -fetch_node_t* -pars_fetch_statement( -/*=================*/ - sym_node_t* cursor, /*!< in: cursor node */ - sym_node_t* into_list, /*!< in: variables to set, or NULL */ - sym_node_t* user_func); /*!< in: user function name, or NULL */ -/*********************************************************************//** -Parses an open or close cursor statement. -@return fetch statement node */ -UNIV_INTERN -open_node_t* -pars_open_statement( -/*================*/ - ulint type, /*!< in: ROW_SEL_OPEN_CURSOR - or ROW_SEL_CLOSE_CURSOR */ - sym_node_t* cursor); /*!< in: cursor node */ -/*********************************************************************//** -Parses a row_printf-statement. -@return row_printf-statement node */ -UNIV_INTERN -row_printf_node_t* -pars_row_printf_statement( -/*======================*/ - sel_node_t* sel_node); /*!< in: select node */ -/*********************************************************************//** -Parses a commit statement. -@return own: commit node struct */ -UNIV_INTERN -commit_node_t* -pars_commit_statement(void); -/*=======================*/ -/*********************************************************************//** -Parses a rollback statement. -@return own: rollback node struct */ -UNIV_INTERN -roll_node_t* -pars_rollback_statement(void); -/*=========================*/ -/*********************************************************************//** -Parses a column definition at a table creation. -@return column sym table node */ -UNIV_INTERN -sym_node_t* -pars_column_def( -/*============*/ - sym_node_t* sym_node, /*!< in: column node in the - symbol table */ - pars_res_word_t* type, /*!< in: data type */ - sym_node_t* len, /*!< in: length of column, or - NULL */ - void* is_unsigned, /*!< in: if not NULL, column - is of type UNSIGNED. */ - void* is_not_null); /*!< in: if not NULL, column - is of type NOT NULL. */ -/*********************************************************************//** -Parses a table creation operation. -@return table create subgraph */ -UNIV_INTERN -tab_node_t* -pars_create_table( -/*==============*/ - sym_node_t* table_sym, /*!< in: table name node in the symbol - table */ - sym_node_t* column_defs, /*!< in: list of column names */ - void* not_fit_in_memory);/*!< in: a non-NULL pointer means that - this is a table which in simulations - should be simulated as not fitting - in memory; thread is put to sleep - to simulate disk accesses; NOTE that - this flag is not stored to the data - dictionary on disk, and the database - will forget about non-NULL value if - it has to reload the table definition - from disk */ -/*********************************************************************//** -Parses an index creation operation. -@return index create subgraph */ -UNIV_INTERN -ind_node_t* -pars_create_index( -/*==============*/ - pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ - pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ - sym_node_t* index_sym, /*!< in: index name node in the symbol - table */ - sym_node_t* table_sym, /*!< in: table name node in the symbol - table */ - sym_node_t* column_list); /*!< in: list of column names */ -/*********************************************************************//** -Parses a procedure definition. -@return query fork node */ -UNIV_INTERN -que_fork_t* -pars_procedure_definition( -/*======================*/ - sym_node_t* sym_node, /*!< in: procedure id node in the symbol - table */ - sym_node_t* param_list, /*!< in: parameter declaration list */ - que_node_t* stat_list); /*!< in: statement list */ - -/*************************************************************//** -Parses a stored procedure call, when this is not within another stored -procedure, that is, the client issues a procedure call directly. -In MySQL/InnoDB, stored InnoDB procedures are invoked via the -parsed procedure tree, not via InnoDB SQL, so this function is not used. -@return query graph */ -UNIV_INTERN -que_fork_t* -pars_stored_procedure_call( -/*=======================*/ - sym_node_t* sym_node); /*!< in: stored procedure name */ -/******************************************************************//** -Completes a query graph by adding query thread and fork nodes -above it and prepares the graph for running. The fork created is of -type QUE_FORK_MYSQL_INTERFACE. -@return query thread node to run */ -UNIV_INTERN -que_thr_t* -pars_complete_graph_for_exec( -/*=========================*/ - que_node_t* node, /*!< in: root node for an incomplete - query graph */ - trx_t* trx, /*!< in: transaction handle */ - mem_heap_t* heap); /*!< in: memory heap from which allocated */ - -/****************************************************************//** -Create parser info struct. -@return own: info struct */ -UNIV_INTERN -pars_info_t* -pars_info_create(void); -/*==================*/ - -/****************************************************************//** -Free info struct and everything it contains. */ -UNIV_INTERN -void -pars_info_free( -/*===========*/ - pars_info_t* info); /*!< in, own: info struct */ - -/****************************************************************//** -Add bound literal. */ -UNIV_INTERN -void -pars_info_add_literal( -/*==================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const void* address, /*!< in: address */ - ulint length, /*!< in: length of data */ - ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ - ulint prtype); /*!< in: precise type, e.g. - DATA_UNSIGNED */ - -/****************************************************************//** -Equivalent to pars_info_add_literal(info, name, str, strlen(str), -DATA_VARCHAR, DATA_ENGLISH). */ -UNIV_INTERN -void -pars_info_add_str_literal( -/*======================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const char* str); /*!< in: string */ - -/****************************************************************//** -Equivalent to: - -char buf[4]; -mach_write_to_4(buf, val); -pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); - -except that the buffer is dynamically allocated from the info struct's -heap. */ -UNIV_INTERN -void -pars_info_add_int4_literal( -/*=======================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - lint val); /*!< in: value */ - -/****************************************************************//** -Equivalent to: - -char buf[8]; -mach_write_to_8(buf, val); -pars_info_add_literal(info, name, buf, 8, DATA_BINARY, 0); - -except that the buffer is dynamically allocated from the info struct's -heap. */ -UNIV_INTERN -void -pars_info_add_dulint_literal( -/*=========================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - dulint val); /*!< in: value */ -/****************************************************************//** -Add user function. */ -UNIV_INTERN -void -pars_info_add_function( -/*===================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: function name */ - pars_user_func_cb_t func, /*!< in: function address */ - void* arg); /*!< in: user-supplied argument */ - -/****************************************************************//** -Add bound id. */ -UNIV_INTERN -void -pars_info_add_id( -/*=============*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const char* id); /*!< in: id */ - -/****************************************************************//** -Get user function with the given name. -@return user func, or NULL if not found */ -UNIV_INTERN -pars_user_func_t* -pars_info_get_user_func( -/*====================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name); /*!< in: function name to find*/ - -/****************************************************************//** -Get bound literal with the given name. -@return bound literal, or NULL if not found */ -UNIV_INTERN -pars_bound_lit_t* -pars_info_get_bound_lit( -/*====================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name); /*!< in: bound literal name to find */ - -/****************************************************************//** -Get bound id with the given name. -@return bound id, or NULL if not found */ -UNIV_INTERN -pars_bound_id_t* -pars_info_get_bound_id( -/*===================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name); /*!< in: bound id name to find */ - -/******************************************************************//** -Release any resources used by the lexer. */ -UNIV_INTERN -void -pars_lexer_close(void); -/*==================*/ - -/** Extra information supplied for pars_sql(). */ -struct pars_info_struct { - mem_heap_t* heap; /*!< our own memory heap */ - - ib_vector_t* funcs; /*!< user functions, or NUll - (pars_user_func_t*) */ - ib_vector_t* bound_lits; /*!< bound literals, or NULL - (pars_bound_lit_t*) */ - ib_vector_t* bound_ids; /*!< bound ids, or NULL - (pars_bound_id_t*) */ - - ibool graph_owns_us; /*!< if TRUE (which is the default), - que_graph_free() will free us */ -}; - -/** User-supplied function and argument. */ -struct pars_user_func_struct { - const char* name; /*!< function name */ - pars_user_func_cb_t func; /*!< function address */ - void* arg; /*!< user-supplied argument */ -}; - -/** Bound literal. */ -struct pars_bound_lit_struct { - const char* name; /*!< name */ - const void* address; /*!< address */ - ulint length; /*!< length of data */ - ulint type; /*!< type, e.g. DATA_FIXBINARY */ - ulint prtype; /*!< precise type, e.g. DATA_UNSIGNED */ -}; - -/** Bound identifier. */ -struct pars_bound_id_struct { - const char* name; /*!< name */ - const char* id; /*!< identifier */ -}; - -/** Struct used to denote a reserved word in a parsing tree */ -struct pars_res_word_struct{ - int code; /*!< the token code for the reserved word from - pars0grm.h */ -}; - -/** A predefined function or operator node in a parsing tree; this construct -is also used for some non-functions like the assignment ':=' */ -struct func_node_struct{ - que_common_t common; /*!< type: QUE_NODE_FUNC */ - int func; /*!< token code of the function name */ - ulint class; /*!< class of the function */ - que_node_t* args; /*!< argument(s) of the function */ - UT_LIST_NODE_T(func_node_t) cond_list; - /*!< list of comparison conditions; defined - only for comparison operator nodes except, - presently, for OPT_SCROLL_TYPE ones */ - UT_LIST_NODE_T(func_node_t) func_node_list; - /*!< list of function nodes in a parsed - query graph */ -}; - -/** An order-by node in a select */ -struct order_node_struct{ - que_common_t common; /*!< type: QUE_NODE_ORDER */ - sym_node_t* column; /*!< order-by column */ - ibool asc; /*!< TRUE if ascending, FALSE if descending */ -}; - -/** Procedure definition node */ -struct proc_node_struct{ - que_common_t common; /*!< type: QUE_NODE_PROC */ - sym_node_t* proc_id; /*!< procedure name symbol in the symbol - table of this same procedure */ - sym_node_t* param_list; /*!< input and output parameters */ - que_node_t* stat_list; /*!< statement list */ - sym_tab_t* sym_tab; /*!< symbol table of this procedure */ -}; - -/** elsif-element node */ -struct elsif_node_struct{ - que_common_t common; /*!< type: QUE_NODE_ELSIF */ - que_node_t* cond; /*!< if condition */ - que_node_t* stat_list; /*!< statement list */ -}; - -/** if-statement node */ -struct if_node_struct{ - que_common_t common; /*!< type: QUE_NODE_IF */ - que_node_t* cond; /*!< if condition */ - que_node_t* stat_list; /*!< statement list */ - que_node_t* else_part; /*!< else-part statement list */ - elsif_node_t* elsif_list; /*!< elsif element list */ -}; - -/** while-statement node */ -struct while_node_struct{ - que_common_t common; /*!< type: QUE_NODE_WHILE */ - que_node_t* cond; /*!< while condition */ - que_node_t* stat_list; /*!< statement list */ -}; - -/** for-loop-statement node */ -struct for_node_struct{ - que_common_t common; /*!< type: QUE_NODE_FOR */ - sym_node_t* loop_var; /*!< loop variable: this is the - dereferenced symbol from the - variable declarations, not the - symbol occurrence in the for loop - definition */ - que_node_t* loop_start_limit;/*!< initial value of loop variable */ - que_node_t* loop_end_limit; /*!< end value of loop variable */ - lint loop_end_value; /*!< evaluated value for the end value: - it is calculated only when the loop - is entered, and will not change within - the loop */ - que_node_t* stat_list; /*!< statement list */ -}; - -/** exit statement node */ -struct exit_node_struct{ - que_common_t common; /*!< type: QUE_NODE_EXIT */ -}; - -/** return-statement node */ -struct return_node_struct{ - que_common_t common; /*!< type: QUE_NODE_RETURN */ -}; - -/** Assignment statement node */ -struct assign_node_struct{ - que_common_t common; /*!< type: QUE_NODE_ASSIGNMENT */ - sym_node_t* var; /*!< variable to set */ - que_node_t* val; /*!< value to assign */ -}; - -/** Column assignment node */ -struct col_assign_node_struct{ - que_common_t common; /*!< type: QUE_NODE_COL_ASSIGN */ - sym_node_t* col; /*!< column to set */ - que_node_t* val; /*!< value to assign */ -}; - -/** Classes of functions */ -/* @{ */ -#define PARS_FUNC_ARITH 1 /*!< +, -, *, / */ -#define PARS_FUNC_LOGICAL 2 /*!< AND, OR, NOT */ -#define PARS_FUNC_CMP 3 /*!< comparison operators */ -#define PARS_FUNC_PREDEFINED 4 /*!< TO_NUMBER, SUBSTR, ... */ -#define PARS_FUNC_AGGREGATE 5 /*!< COUNT, DISTINCT, SUM */ -#define PARS_FUNC_OTHER 6 /*!< these are not real functions, - e.g., := */ -/* @} */ - -#ifndef UNIV_NONINL -#include "pars0pars.ic" -#endif - -#endif diff --git a/perfschema/include/pars0pars.ic b/perfschema/include/pars0pars.ic deleted file mode 100644 index ae6c13cd671..00000000000 --- a/perfschema/include/pars0pars.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0pars.ic -SQL parser - -Created 11/19/1996 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/pars0sym.h b/perfschema/include/pars0sym.h deleted file mode 100644 index 6d1a4b82414..00000000000 --- a/perfschema/include/pars0sym.h +++ /dev/null @@ -1,244 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0sym.h -SQL parser symbol table - -Created 12/15/1997 Heikki Tuuri -*******************************************************/ - -#ifndef pars0sym_h -#define pars0sym_h - -#include "univ.i" -#include "que0types.h" -#include "usr0types.h" -#include "dict0types.h" -#include "pars0types.h" -#include "row0types.h" - -/******************************************************************//** -Creates a symbol table for a single stored procedure or query. -@return own: symbol table */ -UNIV_INTERN -sym_tab_t* -sym_tab_create( -/*===========*/ - mem_heap_t* heap); /*!< in: memory heap where to create */ -/******************************************************************//** -Frees the memory allocated dynamically AFTER parsing phase for variables -etc. in the symbol table. Does not free the mem heap where the table was -originally created. Frees also SQL explicit cursor definitions. */ -UNIV_INTERN -void -sym_tab_free_private( -/*=================*/ - sym_tab_t* sym_tab); /*!< in, own: symbol table */ -/******************************************************************//** -Adds an integer literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_int_lit( -/*================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - ulint val); /*!< in: integer value */ -/******************************************************************//** -Adds an string literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_str_lit( -/*================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - byte* str, /*!< in: string with no quotes around - it */ - ulint len); /*!< in: string length */ -/******************************************************************//** -Add a bound literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_bound_lit( -/*==================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - const char* name, /*!< in: name of bound literal */ - ulint* lit_type); /*!< out: type of literal (PARS_*_LIT) */ -/******************************************************************//** -Adds an SQL null literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_null_lit( -/*=================*/ - sym_tab_t* sym_tab); /*!< in: symbol table */ -/******************************************************************//** -Adds an identifier to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_id( -/*===========*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - byte* name, /*!< in: identifier name */ - ulint len); /*!< in: identifier length */ - -/******************************************************************//** -Add a bound identifier to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_bound_id( -/*===========*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - const char* name); /*!< in: name of bound id */ - -/** Index of sym_node_struct::field_nos corresponding to the clustered index */ -#define SYM_CLUST_FIELD_NO 0 -/** Index of sym_node_struct::field_nos corresponding to a secondary index */ -#define SYM_SEC_FIELD_NO 1 - -/** Types of a symbol table node */ -enum sym_tab_entry { - SYM_VAR = 91, /*!< declared parameter or local - variable of a procedure */ - SYM_IMPLICIT_VAR, /*!< storage for a intermediate result - of a calculation */ - SYM_LIT, /*!< literal */ - SYM_TABLE, /*!< database table name */ - SYM_COLUMN, /*!< database table name */ - SYM_CURSOR, /*!< named cursor */ - SYM_PROCEDURE_NAME, /*!< stored procedure name */ - SYM_INDEX, /*!< database index name */ - SYM_FUNCTION /*!< user function name */ -}; - -/** Symbol table node */ -struct sym_node_struct{ - que_common_t common; /*!< node type: - QUE_NODE_SYMBOL */ - /* NOTE: if the data field in 'common.val' is not NULL and the symbol - table node is not for a temporary column, the memory for the value has - been allocated from dynamic memory and it should be freed when the - symbol table is discarded */ - - /* 'alias' and 'indirection' are almost the same, but not quite. - 'alias' always points to the primary instance of the variable, while - 'indirection' does the same only if we should use the primary - instance's values for the node's data. This is usually the case, but - when initializing a cursor (e.g., "DECLARE CURSOR c IS SELECT * FROM - t WHERE id = x;"), we copy the values from the primary instance to - the cursor's instance so that they are fixed for the duration of the - cursor, and set 'indirection' to NULL. If we did not, the value of - 'x' could change between fetches and things would break horribly. - - TODO: It would be cleaner to make 'indirection' a boolean field and - always use 'alias' to refer to the primary node. */ - - sym_node_t* indirection; /*!< pointer to - another symbol table - node which contains - the value for this - node, NULL otherwise */ - sym_node_t* alias; /*!< pointer to - another symbol table - node for which this - node is an alias, - NULL otherwise */ - UT_LIST_NODE_T(sym_node_t) col_var_list; /*!< list of table - columns or a list of - input variables for an - explicit cursor */ - ibool copy_val; /*!< TRUE if a column - and its value should - be copied to dynamic - memory when fetched */ - ulint field_nos[2]; /*!< if a column, in - the position - SYM_CLUST_FIELD_NO is - the field number in the - clustered index; in - the position - SYM_SEC_FIELD_NO - the field number in the - non-clustered index to - use first; if not found - from the index, then - ULINT_UNDEFINED */ - ibool resolved; /*!< TRUE if the - meaning of a variable - or a column has been - resolved; for literals - this is always TRUE */ - enum sym_tab_entry token_type; /*!< type of the - parsed token */ - const char* name; /*!< name of an id */ - ulint name_len; /*!< id name length */ - dict_table_t* table; /*!< table definition - if a table id or a - column id */ - ulint col_no; /*!< column number if a - column */ - sel_buf_t* prefetch_buf; /*!< NULL, or a buffer - for cached column - values for prefetched - rows */ - sel_node_t* cursor_def; /*!< cursor definition - select node if a - named cursor */ - ulint param_type; /*!< PARS_INPUT, - PARS_OUTPUT, or - PARS_NOT_PARAM if not a - procedure parameter */ - sym_tab_t* sym_table; /*!< back pointer to - the symbol table */ - UT_LIST_NODE_T(sym_node_t) sym_list; /*!< list of symbol - nodes */ -}; - -/** Symbol table */ -struct sym_tab_struct{ - que_t* query_graph; - /*!< query graph generated by the - parser */ - const char* sql_string; - /*!< SQL string to parse */ - size_t string_len; - /*!< SQL string length */ - int next_char_pos; - /*!< position of the next character in - sql_string to give to the lexical - analyzer */ - pars_info_t* info; /*!< extra information, or NULL */ - sym_node_list_t sym_list; - /*!< list of symbol nodes in the symbol - table */ - UT_LIST_BASE_NODE_T(func_node_t) - func_node_list; - /*!< list of function nodes in the - parsed query graph */ - mem_heap_t* heap; /*!< memory heap from which we can - allocate space */ -}; - -#ifndef UNIV_NONINL -#include "pars0sym.ic" -#endif - -#endif diff --git a/perfschema/include/pars0sym.ic b/perfschema/include/pars0sym.ic deleted file mode 100644 index 9eb09db3a47..00000000000 --- a/perfschema/include/pars0sym.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0sym.ic -SQL parser symbol table - -Created 12/15/1997 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/pars0types.h b/perfschema/include/pars0types.h deleted file mode 100644 index e0a8a86bf07..00000000000 --- a/perfschema/include/pars0types.h +++ /dev/null @@ -1,50 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/pars0types.h -SQL parser global types - -Created 1/11/1998 Heikki Tuuri -*******************************************************/ - -#ifndef pars0types_h -#define pars0types_h - -typedef struct pars_info_struct pars_info_t; -typedef struct pars_user_func_struct pars_user_func_t; -typedef struct pars_bound_lit_struct pars_bound_lit_t; -typedef struct pars_bound_id_struct pars_bound_id_t; -typedef struct sym_node_struct sym_node_t; -typedef struct sym_tab_struct sym_tab_t; -typedef struct pars_res_word_struct pars_res_word_t; -typedef struct func_node_struct func_node_t; -typedef struct order_node_struct order_node_t; -typedef struct proc_node_struct proc_node_t; -typedef struct elsif_node_struct elsif_node_t; -typedef struct if_node_struct if_node_t; -typedef struct while_node_struct while_node_t; -typedef struct for_node_struct for_node_t; -typedef struct exit_node_struct exit_node_t; -typedef struct return_node_struct return_node_t; -typedef struct assign_node_struct assign_node_t; -typedef struct col_assign_node_struct col_assign_node_t; - -typedef UT_LIST_BASE_NODE_T(sym_node_t) sym_node_list_t; - -#endif diff --git a/perfschema/include/que0que.h b/perfschema/include/que0que.h deleted file mode 100644 index 39f8d07af89..00000000000 --- a/perfschema/include/que0que.h +++ /dev/null @@ -1,524 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/que0que.h -Query graph - -Created 5/27/1996 Heikki Tuuri -*******************************************************/ - -#ifndef que0que_h -#define que0que_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "srv0srv.h" -#include "usr0types.h" -#include "que0types.h" -#include "row0types.h" -#include "pars0types.h" - -/* If the following flag is set TRUE, the module will print trace info -of SQL execution in the UNIV_SQL_DEBUG version */ -extern ibool que_trace_on; - -/***********************************************************************//** -Adds a query graph to the session's list of graphs. */ -UNIV_INTERN -void -que_graph_publish( -/*==============*/ - que_t* graph, /*!< in: graph */ - sess_t* sess); /*!< in: session */ -/***********************************************************************//** -Creates a query graph fork node. -@return own: fork node */ -UNIV_INTERN -que_fork_t* -que_fork_create( -/*============*/ - que_t* graph, /*!< in: graph, if NULL then this - fork node is assumed to be the - graph root */ - que_node_t* parent, /*!< in: parent node */ - ulint fork_type, /*!< in: fork type */ - mem_heap_t* heap); /*!< in: memory heap where created */ -/***********************************************************************//** -Gets the first thr in a fork. */ -UNIV_INLINE -que_thr_t* -que_fork_get_first_thr( -/*===================*/ - que_fork_t* fork); /*!< in: query fork */ -/***********************************************************************//** -Gets the child node of the first thr in a fork. */ -UNIV_INLINE -que_node_t* -que_fork_get_child( -/*===============*/ - que_fork_t* fork); /*!< in: query fork */ -/***********************************************************************//** -Sets the parent of a graph node. */ -UNIV_INLINE -void -que_node_set_parent( -/*================*/ - que_node_t* node, /*!< in: graph node */ - que_node_t* parent);/*!< in: parent */ -/***********************************************************************//** -Creates a query graph thread node. -@return own: query thread node */ -UNIV_INTERN -que_thr_t* -que_thr_create( -/*===========*/ - que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ - mem_heap_t* heap); /*!< in: memory heap where created */ -/**********************************************************************//** -Frees a query graph, but not the heap where it was created. Does not free -explicit cursor declarations, they are freed in que_graph_free. */ -UNIV_INTERN -void -que_graph_free_recursive( -/*=====================*/ - que_node_t* node); /*!< in: query graph node */ -/**********************************************************************//** -Frees a query graph. */ -UNIV_INTERN -void -que_graph_free( -/*===========*/ - que_t* graph); /*!< in: query graph; we assume that the memory - heap where this graph was created is private - to this graph: if not, then use - que_graph_free_recursive and free the heap - afterwards! */ -/**********************************************************************//** -Stops a query thread if graph or trx is in a state requiring it. The -conditions are tested in the order (1) graph, (2) trx. The kernel mutex has -to be reserved. -@return TRUE if stopped */ -UNIV_INTERN -ibool -que_thr_stop( -/*=========*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Moves a thread from another state to the QUE_THR_RUNNING state. Increments -the n_active_thrs counters of the query graph and transaction. */ -UNIV_INTERN -void -que_thr_move_to_run_state_for_mysql( -/*================================*/ - que_thr_t* thr, /*!< in: an query thread */ - trx_t* trx); /*!< in: transaction */ -/**********************************************************************//** -A patch for MySQL used to 'stop' a dummy query thread used in MySQL -select, when there is no error or lock wait. */ -UNIV_INTERN -void -que_thr_stop_for_mysql_no_error( -/*============================*/ - que_thr_t* thr, /*!< in: query thread */ - trx_t* trx); /*!< in: transaction */ -/**********************************************************************//** -A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The -query thread is stopped and made inactive, except in the case where -it was put to the lock wait state in lock0lock.c, but the lock has already -been granted or the transaction chosen as a victim in deadlock resolution. */ -UNIV_INTERN -void -que_thr_stop_for_mysql( -/*===================*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Run a query thread. Handles lock waits. */ -UNIV_INTERN -void -que_run_threads( -/*============*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -After signal handling is finished, returns control to a query graph error -handling routine. (Currently, just returns the control to the root of the -graph so that the graph can communicate an error message to the client.) */ -UNIV_INTERN -void -que_fork_error_handle( -/*==================*/ - trx_t* trx, /*!< in: trx */ - que_t* fork); /*!< in: query graph which was run before signal - handling started, NULL not allowed */ -/**********************************************************************//** -Moves a suspended query thread to the QUE_THR_RUNNING state and releases -a single worker thread to execute it. This function should be used to end -the wait state of a query thread waiting for a lock or a stored procedure -completion. */ -UNIV_INTERN -void -que_thr_end_wait( -/*=============*/ - que_thr_t* thr, /*!< in: query thread in the - QUE_THR_LOCK_WAIT, - or QUE_THR_PROCEDURE_WAIT, or - QUE_THR_SIG_REPLY_WAIT state */ - que_thr_t** next_thr); /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -/**********************************************************************//** -Same as que_thr_end_wait, but no parameter next_thr available. */ -UNIV_INTERN -void -que_thr_end_wait_no_next_thr( -/*=========================*/ - que_thr_t* thr); /*!< in: query thread in the - QUE_THR_LOCK_WAIT, - or QUE_THR_PROCEDURE_WAIT, or - QUE_THR_SIG_REPLY_WAIT state */ -/**********************************************************************//** -Starts execution of a command in a query fork. Picks a query thread which -is not in the QUE_THR_RUNNING state and moves it to that state. If none -can be chosen, a situation which may arise in parallelized fetches, NULL -is returned. -@return a query thread of the graph moved to QUE_THR_RUNNING state, or -NULL; the query thread should be executed by que_run_threads by the -caller */ -UNIV_INTERN -que_thr_t* -que_fork_start_command( -/*===================*/ - que_fork_t* fork); /*!< in: a query fork */ -/***********************************************************************//** -Gets the trx of a query thread. */ -UNIV_INLINE -trx_t* -thr_get_trx( -/*========*/ - que_thr_t* thr); /*!< in: query thread */ -/*******************************************************************//** -Determines if this thread is rolling back an incomplete transaction -in crash recovery. -@return TRUE if thr is rolling back an incomplete transaction in crash -recovery */ -UNIV_INLINE -ibool -thr_is_recv( -/*========*/ - const que_thr_t* thr); /*!< in: query thread */ -/***********************************************************************//** -Gets the type of a graph node. */ -UNIV_INLINE -ulint -que_node_get_type( -/*==============*/ - que_node_t* node); /*!< in: graph node */ -/***********************************************************************//** -Gets pointer to the value data type field of a graph node. */ -UNIV_INLINE -dtype_t* -que_node_get_data_type( -/*===================*/ - que_node_t* node); /*!< in: graph node */ -/***********************************************************************//** -Gets pointer to the value dfield of a graph node. */ -UNIV_INLINE -dfield_t* -que_node_get_val( -/*=============*/ - que_node_t* node); /*!< in: graph node */ -/***********************************************************************//** -Gets the value buffer size of a graph node. -@return val buffer size, not defined if val.data == NULL in node */ -UNIV_INLINE -ulint -que_node_get_val_buf_size( -/*======================*/ - que_node_t* node); /*!< in: graph node */ -/***********************************************************************//** -Sets the value buffer size of a graph node. */ -UNIV_INLINE -void -que_node_set_val_buf_size( -/*======================*/ - que_node_t* node, /*!< in: graph node */ - ulint size); /*!< in: size */ -/*********************************************************************//** -Gets the next list node in a list of query graph nodes. */ -UNIV_INLINE -que_node_t* -que_node_get_next( -/*==============*/ - que_node_t* node); /*!< in: node in a list */ -/*********************************************************************//** -Gets the parent node of a query graph node. -@return parent node or NULL */ -UNIV_INLINE -que_node_t* -que_node_get_parent( -/*================*/ - que_node_t* node); /*!< in: node */ -/****************************************************************//** -Get the first containing loop node (e.g. while_node_t or for_node_t) for the -given node, or NULL if the node is not within a loop. -@return containing loop node, or NULL. */ -UNIV_INTERN -que_node_t* -que_node_get_containing_loop_node( -/*==============================*/ - que_node_t* node); /*!< in: node */ -/*********************************************************************//** -Catenates a query graph node to a list of them, possible empty list. -@return one-way list of nodes */ -UNIV_INLINE -que_node_t* -que_node_list_add_last( -/*===================*/ - que_node_t* node_list, /*!< in: node list, or NULL */ - que_node_t* node); /*!< in: node */ -/*********************************************************************//** -Gets a query graph node list length. -@return length, for NULL list 0 */ -UNIV_INLINE -ulint -que_node_list_get_len( -/*==================*/ - que_node_t* node_list); /*!< in: node list, or NULL */ -/**********************************************************************//** -Checks if graph, trx, or session is in a state where the query thread should -be stopped. -@return TRUE if should be stopped; NOTE that if the peek is made -without reserving the kernel mutex, then another peek with the mutex -reserved is necessary before deciding the actual stopping */ -UNIV_INLINE -ibool -que_thr_peek_stop( -/*==============*/ - que_thr_t* thr); /*!< in: query thread */ -/***********************************************************************//** -Returns TRUE if the query graph is for a SELECT statement. -@return TRUE if a select */ -UNIV_INLINE -ibool -que_graph_is_select( -/*================*/ - que_t* graph); /*!< in: graph */ -/**********************************************************************//** -Prints info of an SQL query graph node. */ -UNIV_INTERN -void -que_node_print_info( -/*================*/ - que_node_t* node); /*!< in: query graph node */ -/*********************************************************************//** -Evaluate the given SQL -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -que_eval_sql( -/*=========*/ - pars_info_t* info, /*!< in: info struct, or NULL */ - const char* sql, /*!< in: SQL string */ - ibool reserve_dict_mutex, - /*!< in: if TRUE, acquire/release - dict_sys->mutex around call to pars_sql. */ - trx_t* trx); /*!< in: trx */ - -/* Query graph query thread node: the fields are protected by the kernel -mutex with the exceptions named below */ - -struct que_thr_struct{ - que_common_t common; /*!< type: QUE_NODE_THR */ - ulint magic_n; /*!< magic number to catch memory - corruption */ - que_node_t* child; /*!< graph child node */ - que_t* graph; /*!< graph where this node belongs */ - ibool is_active; /*!< TRUE if the thread has been set - to the run state in - que_thr_move_to_run_state, but not - deactivated in - que_thr_dec_reference_count */ - ulint state; /*!< state of the query thread */ - UT_LIST_NODE_T(que_thr_t) - thrs; /*!< list of thread nodes of the fork - node */ - UT_LIST_NODE_T(que_thr_t) - trx_thrs; /*!< lists of threads in wait list of - the trx */ - UT_LIST_NODE_T(que_thr_t) - queue; /*!< list of runnable thread nodes in - the server task queue */ - /*------------------------------*/ - /* The following fields are private to the OS thread executing the - query thread, and are not protected by the kernel mutex: */ - - que_node_t* run_node; /*!< pointer to the node where the - subgraph down from this node is - currently executed */ - que_node_t* prev_node; /*!< pointer to the node from which - the control came */ - ulint resource; /*!< resource usage of the query thread - thus far */ - ulint lock_state; /*!< lock state of thread (table or - row) */ -}; - -#define QUE_THR_MAGIC_N 8476583 -#define QUE_THR_MAGIC_FREED 123461526 - -/* Query graph fork node: its fields are protected by the kernel mutex */ -struct que_fork_struct{ - que_common_t common; /*!< type: QUE_NODE_FORK */ - que_t* graph; /*!< query graph of this node */ - ulint fork_type; /*!< fork type */ - ulint n_active_thrs; /*!< if this is the root of a graph, the - number query threads that have been - started in que_thr_move_to_run_state - but for which que_thr_dec_refer_count - has not yet been called */ - trx_t* trx; /*!< transaction: this is set only in - the root node */ - ulint state; /*!< state of the fork node */ - que_thr_t* caller; /*!< pointer to a possible calling query - thread */ - UT_LIST_BASE_NODE_T(que_thr_t) - thrs; /*!< list of query threads */ - /*------------------------------*/ - /* The fields in this section are defined only in the root node */ - sym_tab_t* sym_tab; /*!< symbol table of the query, - generated by the parser, or NULL - if the graph was created 'by hand' */ - pars_info_t* info; /*!< info struct, or NULL */ - /* The following cur_... fields are relevant only in a select graph */ - - ulint cur_end; /*!< QUE_CUR_NOT_DEFINED, QUE_CUR_START, - QUE_CUR_END */ - ulint cur_pos; /*!< if there are n rows in the result - set, values 0 and n + 1 mean before - first row, or after last row, depending - on cur_end; values 1...n mean a row - index */ - ibool cur_on_row; /*!< TRUE if cursor is on a row, i.e., - it is not before the first row or - after the last row */ - dulint n_inserts; /*!< number of rows inserted */ - dulint n_updates; /*!< number of rows updated */ - dulint n_deletes; /*!< number of rows deleted */ - sel_node_t* last_sel_node; /*!< last executed select node, or NULL - if none */ - UT_LIST_NODE_T(que_fork_t) - graphs; /*!< list of query graphs of a session - or a stored procedure */ - /*------------------------------*/ - mem_heap_t* heap; /*!< memory heap where the fork was - created */ - -}; - -/* Query fork (or graph) types */ -#define QUE_FORK_SELECT_NON_SCROLL 1 /* forward-only cursor */ -#define QUE_FORK_SELECT_SCROLL 2 /* scrollable cursor */ -#define QUE_FORK_INSERT 3 -#define QUE_FORK_UPDATE 4 -#define QUE_FORK_ROLLBACK 5 - /* This is really the undo graph used in rollback, - no signal-sending roll_node in this graph */ -#define QUE_FORK_PURGE 6 -#define QUE_FORK_EXECUTE 7 -#define QUE_FORK_PROCEDURE 8 -#define QUE_FORK_PROCEDURE_CALL 9 -#define QUE_FORK_MYSQL_INTERFACE 10 -#define QUE_FORK_RECOVERY 11 - -/* Query fork (or graph) states */ -#define QUE_FORK_ACTIVE 1 -#define QUE_FORK_COMMAND_WAIT 2 -#define QUE_FORK_INVALID 3 -#define QUE_FORK_BEING_FREED 4 - -/* Flag which is ORed to control structure statement node types */ -#define QUE_NODE_CONTROL_STAT 1024 - -/* Query graph node types */ -#define QUE_NODE_LOCK 1 -#define QUE_NODE_INSERT 2 -#define QUE_NODE_UPDATE 4 -#define QUE_NODE_CURSOR 5 -#define QUE_NODE_SELECT 6 -#define QUE_NODE_AGGREGATE 7 -#define QUE_NODE_FORK 8 -#define QUE_NODE_THR 9 -#define QUE_NODE_UNDO 10 -#define QUE_NODE_COMMIT 11 -#define QUE_NODE_ROLLBACK 12 -#define QUE_NODE_PURGE 13 -#define QUE_NODE_CREATE_TABLE 14 -#define QUE_NODE_CREATE_INDEX 15 -#define QUE_NODE_SYMBOL 16 -#define QUE_NODE_RES_WORD 17 -#define QUE_NODE_FUNC 18 -#define QUE_NODE_ORDER 19 -#define QUE_NODE_PROC (20 + QUE_NODE_CONTROL_STAT) -#define QUE_NODE_IF (21 + QUE_NODE_CONTROL_STAT) -#define QUE_NODE_WHILE (22 + QUE_NODE_CONTROL_STAT) -#define QUE_NODE_ASSIGNMENT 23 -#define QUE_NODE_FETCH 24 -#define QUE_NODE_OPEN 25 -#define QUE_NODE_COL_ASSIGNMENT 26 -#define QUE_NODE_FOR (27 + QUE_NODE_CONTROL_STAT) -#define QUE_NODE_RETURN 28 -#define QUE_NODE_ROW_PRINTF 29 -#define QUE_NODE_ELSIF 30 -#define QUE_NODE_CALL 31 -#define QUE_NODE_EXIT 32 - -/* Query thread states */ -#define QUE_THR_RUNNING 1 -#define QUE_THR_PROCEDURE_WAIT 2 -#define QUE_THR_COMPLETED 3 /* in selects this means that the - thread is at the end of its result set - (or start, in case of a scroll cursor); - in other statements, this means the - thread has done its task */ -#define QUE_THR_COMMAND_WAIT 4 -#define QUE_THR_LOCK_WAIT 5 -#define QUE_THR_SIG_REPLY_WAIT 6 -#define QUE_THR_SUSPENDED 7 -#define QUE_THR_ERROR 8 - -/* Query thread lock states */ -#define QUE_THR_LOCK_NOLOCK 0 -#define QUE_THR_LOCK_ROW 1 -#define QUE_THR_LOCK_TABLE 2 - -/* From where the cursor position is counted */ -#define QUE_CUR_NOT_DEFINED 1 -#define QUE_CUR_START 2 -#define QUE_CUR_END 3 - - -#ifndef UNIV_NONINL -#include "que0que.ic" -#endif - -#endif diff --git a/perfschema/include/que0que.ic b/perfschema/include/que0que.ic deleted file mode 100644 index bd936670e1e..00000000000 --- a/perfschema/include/que0que.ic +++ /dev/null @@ -1,287 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/que0que.ic -Query graph - -Created 5/27/1996 Heikki Tuuri -*******************************************************/ - -#include "usr0sess.h" - -/***********************************************************************//** -Gets the trx of a query thread. */ -UNIV_INLINE -trx_t* -thr_get_trx( -/*========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ut_ad(thr); - - return(thr->graph->trx); -} - -/*******************************************************************//** -Determines if this thread is rolling back an incomplete transaction -in crash recovery. -@return TRUE if thr is rolling back an incomplete transaction in crash -recovery */ -UNIV_INLINE -ibool -thr_is_recv( -/*========*/ - const que_thr_t* thr) /*!< in: query thread */ -{ - return(trx_is_recv(thr->graph->trx)); -} - -/***********************************************************************//** -Gets the first thr in a fork. */ -UNIV_INLINE -que_thr_t* -que_fork_get_first_thr( -/*===================*/ - que_fork_t* fork) /*!< in: query fork */ -{ - return(UT_LIST_GET_FIRST(fork->thrs)); -} - -/***********************************************************************//** -Gets the child node of the first thr in a fork. */ -UNIV_INLINE -que_node_t* -que_fork_get_child( -/*===============*/ - que_fork_t* fork) /*!< in: query fork */ -{ - que_thr_t* thr; - - thr = UT_LIST_GET_FIRST(fork->thrs); - - return(thr->child); -} - -/***********************************************************************//** -Gets the type of a graph node. */ -UNIV_INLINE -ulint -que_node_get_type( -/*==============*/ - que_node_t* node) /*!< in: graph node */ -{ - ut_ad(node); - - return(((que_common_t*)node)->type); -} - -/***********************************************************************//** -Gets pointer to the value dfield of a graph node. */ -UNIV_INLINE -dfield_t* -que_node_get_val( -/*=============*/ - que_node_t* node) /*!< in: graph node */ -{ - ut_ad(node); - - return(&(((que_common_t*)node)->val)); -} - -/***********************************************************************//** -Gets the value buffer size of a graph node. -@return val buffer size, not defined if val.data == NULL in node */ -UNIV_INLINE -ulint -que_node_get_val_buf_size( -/*======================*/ - que_node_t* node) /*!< in: graph node */ -{ - ut_ad(node); - - return(((que_common_t*)node)->val_buf_size); -} - -/***********************************************************************//** -Sets the value buffer size of a graph node. */ -UNIV_INLINE -void -que_node_set_val_buf_size( -/*======================*/ - que_node_t* node, /*!< in: graph node */ - ulint size) /*!< in: size */ -{ - ut_ad(node); - - ((que_common_t*)node)->val_buf_size = size; -} - -/***********************************************************************//** -Sets the parent of a graph node. */ -UNIV_INLINE -void -que_node_set_parent( -/*================*/ - que_node_t* node, /*!< in: graph node */ - que_node_t* parent) /*!< in: parent */ -{ - ut_ad(node); - - ((que_common_t*)node)->parent = parent; -} - -/***********************************************************************//** -Gets pointer to the value data type field of a graph node. */ -UNIV_INLINE -dtype_t* -que_node_get_data_type( -/*===================*/ - que_node_t* node) /*!< in: graph node */ -{ - ut_ad(node); - - return(dfield_get_type(&((que_common_t*) node)->val)); -} - -/*********************************************************************//** -Catenates a query graph node to a list of them, possible empty list. -@return one-way list of nodes */ -UNIV_INLINE -que_node_t* -que_node_list_add_last( -/*===================*/ - que_node_t* node_list, /*!< in: node list, or NULL */ - que_node_t* node) /*!< in: node */ -{ - que_common_t* cnode; - que_common_t* cnode2; - - cnode = (que_common_t*) node; - - cnode->brother = NULL; - - if (node_list == NULL) { - - return(node); - } - - cnode2 = (que_common_t*) node_list; - - while (cnode2->brother != NULL) { - cnode2 = (que_common_t*) cnode2->brother; - } - - cnode2->brother = node; - - return(node_list); -} - -/*********************************************************************//** -Gets the next list node in a list of query graph nodes. -@return next node in a list of nodes */ -UNIV_INLINE -que_node_t* -que_node_get_next( -/*==============*/ - que_node_t* node) /*!< in: node in a list */ -{ - return(((que_common_t*)node)->brother); -} - -/*********************************************************************//** -Gets a query graph node list length. -@return length, for NULL list 0 */ -UNIV_INLINE -ulint -que_node_list_get_len( -/*==================*/ - que_node_t* node_list) /*!< in: node list, or NULL */ -{ - const que_common_t* cnode; - ulint len; - - cnode = (const que_common_t*) node_list; - len = 0; - - while (cnode != NULL) { - len++; - cnode = (const que_common_t*) cnode->brother; - } - - return(len); -} - -/*********************************************************************//** -Gets the parent node of a query graph node. -@return parent node or NULL */ -UNIV_INLINE -que_node_t* -que_node_get_parent( -/*================*/ - que_node_t* node) /*!< in: node */ -{ - return(((que_common_t*)node)->parent); -} - -/**********************************************************************//** -Checks if graph, trx, or session is in a state where the query thread should -be stopped. -@return TRUE if should be stopped; NOTE that if the peek is made -without reserving the kernel mutex, then another peek with the mutex -reserved is necessary before deciding the actual stopping */ -UNIV_INLINE -ibool -que_thr_peek_stop( -/*==============*/ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - que_t* graph; - - graph = thr->graph; - trx = graph->trx; - - if (graph->state != QUE_FORK_ACTIVE - || trx->que_state == TRX_QUE_LOCK_WAIT - || (UT_LIST_GET_LEN(trx->signals) > 0 - && trx->que_state == TRX_QUE_RUNNING)) { - - return(TRUE); - } - - return(FALSE); -} - -/***********************************************************************//** -Returns TRUE if the query graph is for a SELECT statement. -@return TRUE if a select */ -UNIV_INLINE -ibool -que_graph_is_select( -/*================*/ - que_t* graph) /*!< in: graph */ -{ - if (graph->fork_type == QUE_FORK_SELECT_SCROLL - || graph->fork_type == QUE_FORK_SELECT_NON_SCROLL) { - - return(TRUE); - } - - return(FALSE); -} diff --git a/perfschema/include/que0types.h b/perfschema/include/que0types.h deleted file mode 100644 index ea976074768..00000000000 --- a/perfschema/include/que0types.h +++ /dev/null @@ -1,60 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/que0types.h -Query graph global types - -Created 5/27/1996 Heikki Tuuri -*******************************************************/ - -#ifndef que0types_h -#define que0types_h - -#include "data0data.h" -#include "dict0types.h" - -/* Pseudotype for all graph nodes */ -typedef void que_node_t; - -typedef struct que_fork_struct que_fork_t; - -/* Query graph root is a fork node */ -typedef que_fork_t que_t; - -typedef struct que_thr_struct que_thr_t; -typedef struct que_common_struct que_common_t; - -/* Common struct at the beginning of each query graph node; the name of this -substruct must be 'common' */ - -struct que_common_struct{ - ulint type; /*!< query node type */ - que_node_t* parent; /*!< back pointer to parent node, or NULL */ - que_node_t* brother;/* pointer to a possible brother node */ - dfield_t val; /*!< evaluated value for an expression */ - ulint val_buf_size; - /* buffer size for the evaluated value data, - if the buffer has been allocated dynamically: - if this field is != 0, and the node is a - symbol node or a function node, then we - have to free the data field in val - explicitly */ -}; - -#endif diff --git a/perfschema/include/read0read.h b/perfschema/include/read0read.h deleted file mode 100644 index 4d9a9fade36..00000000000 --- a/perfschema/include/read0read.h +++ /dev/null @@ -1,194 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/read0read.h -Cursor read - -Created 2/16/1997 Heikki Tuuri -*******************************************************/ - -#ifndef read0read_h -#define read0read_h - -#include "univ.i" - - -#include "ut0byte.h" -#include "ut0lst.h" -#include "trx0trx.h" -#include "read0types.h" - -/*********************************************************************//** -Opens a read view where exactly the transactions serialized before this -point in time are seen in the view. -@return own: read view struct */ -UNIV_INTERN -read_view_t* -read_view_open_now( -/*===============*/ - trx_id_t cr_trx_id, /*!< in: trx_id of creating - transaction, or ut_dulint_zero - used in purge */ - mem_heap_t* heap); /*!< in: memory heap from which - allocated */ -/*********************************************************************//** -Makes a copy of the oldest existing read view, or opens a new. The view -must be closed with ..._close. -@return own: read view struct */ -UNIV_INTERN -read_view_t* -read_view_oldest_copy_or_open_new( -/*==============================*/ - trx_id_t cr_trx_id, /*!< in: trx_id of creating - transaction, or ut_dulint_zero - used in purge */ - mem_heap_t* heap); /*!< in: memory heap from which - allocated */ -/*********************************************************************//** -Closes a read view. */ -UNIV_INTERN -void -read_view_close( -/*============*/ - read_view_t* view); /*!< in: read view */ -/*********************************************************************//** -Closes a consistent read view for MySQL. This function is called at an SQL -statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ -UNIV_INTERN -void -read_view_close_for_mysql( -/*======================*/ - trx_t* trx); /*!< in: trx which has a read view */ -/*********************************************************************//** -Checks if a read view sees the specified transaction. -@return TRUE if sees */ -UNIV_INLINE -ibool -read_view_sees_trx_id( -/*==================*/ - const read_view_t* view, /*!< in: read view */ - trx_id_t trx_id);/*!< in: trx id */ -/*********************************************************************//** -Prints a read view to stderr. */ -UNIV_INTERN -void -read_view_print( -/*============*/ - const read_view_t* view); /*!< in: read view */ -/*********************************************************************//** -Create a consistent cursor view for mysql to be used in cursors. In this -consistent read view modifications done by the creating transaction or future -transactions are not visible. */ -UNIV_INTERN -cursor_view_t* -read_cursor_view_create_for_mysql( -/*==============================*/ - trx_t* cr_trx);/*!< in: trx where cursor view is created */ -/*********************************************************************//** -Close a given consistent cursor view for mysql and restore global read view -back to a transaction read view. */ -UNIV_INTERN -void -read_cursor_view_close_for_mysql( -/*=============================*/ - trx_t* trx, /*!< in: trx */ - cursor_view_t* curview); /*!< in: cursor view to be closed */ -/*********************************************************************//** -This function sets a given consistent cursor view to a transaction -read view if given consistent cursor view is not NULL. Otherwise, function -restores a global read view to a transaction read view. */ -UNIV_INTERN -void -read_cursor_set_for_mysql( -/*======================*/ - trx_t* trx, /*!< in: transaction where cursor is set */ - cursor_view_t* curview);/*!< in: consistent cursor view to be set */ - -/** Read view lists the trx ids of those transactions for which a consistent -read should not see the modifications to the database. */ - -struct read_view_struct{ - ulint type; /*!< VIEW_NORMAL, VIEW_HIGH_GRANULARITY */ - undo_no_t undo_no;/*!< ut_dulint_zero or if type is - VIEW_HIGH_GRANULARITY - transaction undo_no when this high-granularity - consistent read view was created */ - trx_id_t low_limit_no; - /*!< The view does not need to see the undo - logs for transactions whose transaction number - is strictly smaller (<) than this value: they - can be removed in purge if not needed by other - views */ - trx_id_t low_limit_id; - /*!< The read should not see any transaction - with trx id >= this value. In other words, - this is the "high water mark". */ - trx_id_t up_limit_id; - /*!< The read should see all trx ids which - are strictly smaller (<) than this value. - In other words, - this is the "low water mark". */ - ulint n_trx_ids; - /*!< Number of cells in the trx_ids array */ - trx_id_t* trx_ids;/*!< Additional trx ids which the read should - not see: typically, these are the active - transactions at the time when the read is - serialized, except the reading transaction - itself; the trx ids in this array are in a - descending order. These trx_ids should be - between the "low" and "high" water marks, - that is, up_limit_id and low_limit_id. */ - trx_id_t creator_trx_id; - /*!< trx id of creating transaction, or - ut_dulint_zero used in purge */ - UT_LIST_NODE_T(read_view_t) view_list; - /*!< List of read views in trx_sys */ -}; - -/** Read view types @{ */ -#define VIEW_NORMAL 1 /*!< Normal consistent read view - where transaction does not see changes - made by active transactions except - creating transaction. */ -#define VIEW_HIGH_GRANULARITY 2 /*!< High-granularity read view where - transaction does not see changes - made by active transactions and own - changes after a point in time when this - read view was created. */ -/* @} */ - -/** Implement InnoDB framework to support consistent read views in -cursors. This struct holds both heap where consistent read view -is allocated and pointer to a read view. */ - -struct cursor_view_struct{ - mem_heap_t* heap; - /*!< Memory heap for the cursor view */ - read_view_t* read_view; - /*!< Consistent read view of the cursor*/ - ulint n_mysql_tables_in_use; - /*!< number of Innobase tables used in the - processing of this cursor */ -}; - -#ifndef UNIV_NONINL -#include "read0read.ic" -#endif - -#endif diff --git a/perfschema/include/read0read.ic b/perfschema/include/read0read.ic deleted file mode 100644 index 9924967cc2d..00000000000 --- a/perfschema/include/read0read.ic +++ /dev/null @@ -1,98 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/read0read.ic -Cursor read - -Created 2/16/1997 Heikki Tuuri -*******************************************************/ - -/*********************************************************************//** -Gets the nth trx id in a read view. -@return trx id */ -UNIV_INLINE -trx_id_t -read_view_get_nth_trx_id( -/*=====================*/ - const read_view_t* view, /*!< in: read view */ - ulint n) /*!< in: position */ -{ - ut_ad(n < view->n_trx_ids); - - return(*(view->trx_ids + n)); -} - -/*********************************************************************//** -Sets the nth trx id in a read view. */ -UNIV_INLINE -void -read_view_set_nth_trx_id( -/*=====================*/ - read_view_t* view, /*!< in: read view */ - ulint n, /*!< in: position */ - trx_id_t trx_id) /*!< in: trx id to set */ -{ - ut_ad(n < view->n_trx_ids); - - *(view->trx_ids + n) = trx_id; -} - -/*********************************************************************//** -Checks if a read view sees the specified transaction. -@return TRUE if sees */ -UNIV_INLINE -ibool -read_view_sees_trx_id( -/*==================*/ - const read_view_t* view, /*!< in: read view */ - trx_id_t trx_id) /*!< in: trx id */ -{ - ulint n_ids; - int cmp; - ulint i; - - if (ut_dulint_cmp(trx_id, view->up_limit_id) < 0) { - - return(TRUE); - } - - if (ut_dulint_cmp(trx_id, view->low_limit_id) >= 0) { - - return(FALSE); - } - - /* We go through the trx ids in the array smallest first: this order - may save CPU time, because if there was a very long running - transaction in the trx id array, its trx id is looked at first, and - the first two comparisons may well decide the visibility of trx_id. */ - - n_ids = view->n_trx_ids; - - for (i = 0; i < n_ids; i++) { - - cmp = ut_dulint_cmp( - trx_id, - read_view_get_nth_trx_id(view, n_ids - i - 1)); - if (cmp <= 0) { - return(cmp < 0); - } - } - - return(TRUE); -} diff --git a/perfschema/include/read0types.h b/perfschema/include/read0types.h deleted file mode 100644 index caf69e3fb51..00000000000 --- a/perfschema/include/read0types.h +++ /dev/null @@ -1,32 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/read0types.h -Cursor read - -Created 2/16/1997 Heikki Tuuri -*******************************************************/ - -#ifndef read0types_h -#define read0types_h - -typedef struct read_view_struct read_view_t; -typedef struct cursor_view_struct cursor_view_t; - -#endif diff --git a/perfschema/include/rem0cmp.h b/perfschema/include/rem0cmp.h deleted file mode 100644 index 072f74267ea..00000000000 --- a/perfschema/include/rem0cmp.h +++ /dev/null @@ -1,194 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/rem0cmp.h -Comparison services for records - -Created 7/1/1994 Heikki Tuuri -************************************************************************/ - -#ifndef rem0cmp_h -#define rem0cmp_h - -#include "univ.i" -#include "data0data.h" -#include "data0type.h" -#include "dict0dict.h" -#include "rem0rec.h" - -/*************************************************************//** -Returns TRUE if two columns are equal for comparison purposes. -@return TRUE if the columns are considered equal in comparisons */ -UNIV_INTERN -ibool -cmp_cols_are_equal( -/*===============*/ - const dict_col_t* col1, /*!< in: column 1 */ - const dict_col_t* col2, /*!< in: column 2 */ - ibool check_charsets); - /*!< in: whether to check charsets */ -/*************************************************************//** -This function is used to compare two data fields for which we know the -data type. -@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ -UNIV_INLINE -int -cmp_data_data( -/*==========*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - const byte* data1, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ - const byte* data2, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ -/*************************************************************//** -This function is used to compare two data fields for which we know the -data type. -@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ -UNIV_INTERN -int -cmp_data_data_slow( -/*===============*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - const byte* data1, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ - const byte* data2, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len2); /*!< in: data field length or UNIV_SQL_NULL */ -/*************************************************************//** -This function is used to compare two dfields where at least the first -has its data type field set. -@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, -respectively */ -UNIV_INLINE -int -cmp_dfield_dfield( -/*==============*/ - const dfield_t* dfield1,/*!< in: data field; must have type field set */ - const dfield_t* dfield2);/*!< in: data field */ -/*************************************************************//** -This function is used to compare a data tuple to a physical record. -Only dtuple->n_fields_cmp first fields are taken into account for -the data tuple! If we denote by n = n_fields_cmp, then rec must -have either m >= n fields, or it must differ from dtuple in some of -the m fields rec has. If rec has an externally stored field we do not -compare it but return with value 0 if such a comparison should be -made. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared, or until -the first externally stored field in rec */ -UNIV_INTERN -int -cmp_dtuple_rec_with_match( -/*======================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record which differs from - dtuple in some of the common fields, or which - has an equal number or more fields than - dtuple */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when function returns, - contains the value for current comparison */ - ulint* matched_bytes); /*!< in/out: number of already matched - bytes within the first field not completely - matched; when function returns, contains the - value for current comparison */ -/**************************************************************//** -Compares a data tuple to a physical record. -@see cmp_dtuple_rec_with_match -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ -UNIV_INTERN -int -cmp_dtuple_rec( -/*===========*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**************************************************************//** -Checks if a dtuple is a prefix of a record. The last field in dtuple -is allowed to be a prefix of the corresponding field in the record. -@return TRUE if prefix */ -UNIV_INTERN -ibool -cmp_dtuple_is_prefix_of_rec( -/*========================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/*************************************************************//** -Compare two physical records that contain the same number of columns, -none of which are stored externally. -@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ -UNIV_INTERN -int -cmp_rec_rec_simple( -/*===============*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ - const dict_index_t* index); /*!< in: data dictionary index */ -/*************************************************************//** -This function is used to compare two physical records. Only the common -first fields are compared, and if an externally stored field is -encountered, then 0 is returned. -@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ -UNIV_INTERN -int -cmp_rec_rec_with_match( -/*===================*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ - dict_index_t* index, /*!< in: data dictionary index */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when the function returns, - contains the value the for current - comparison */ - ulint* matched_bytes);/*!< in/out: number of already matched - bytes within the first field not completely - matched; when the function returns, contains - the value for the current comparison */ -/*************************************************************//** -This function is used to compare two physical records. Only the common -first fields are compared. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than -rec2; only the common first fields are compared */ -UNIV_INLINE -int -cmp_rec_rec( -/*========*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ - dict_index_t* index); /*!< in: data dictionary index */ - - -#ifndef UNIV_NONINL -#include "rem0cmp.ic" -#endif - -#endif diff --git a/perfschema/include/rem0cmp.ic b/perfschema/include/rem0cmp.ic deleted file mode 100644 index 39ef5f4fba3..00000000000 --- a/perfschema/include/rem0cmp.ic +++ /dev/null @@ -1,91 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/rem0cmp.ic -Comparison services for records - -Created 7/1/1994 Heikki Tuuri -************************************************************************/ - -/*************************************************************//** -This function is used to compare two data fields for which we know the -data type. -@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ -UNIV_INLINE -int -cmp_data_data( -/*==========*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - const byte* data1, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ - const byte* data2, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ -{ - return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2)); -} - -/*************************************************************//** -This function is used to compare two dfields where at least the first -has its data type field set. -@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2, -respectively */ -UNIV_INLINE -int -cmp_dfield_dfield( -/*==============*/ - const dfield_t* dfield1,/*!< in: data field; must have type field set */ - const dfield_t* dfield2)/*!< in: data field */ -{ - const dtype_t* type; - - ut_ad(dfield_check_typed(dfield1)); - - type = dfield_get_type(dfield1); - - return(cmp_data_data(type->mtype, type->prtype, - (const byte*) dfield_get_data(dfield1), - dfield_get_len(dfield1), - (const byte*) dfield_get_data(dfield2), - dfield_get_len(dfield2))); -} - -/*************************************************************//** -This function is used to compare two physical records. Only the common -first fields are compared. -@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than -rec2; only the common first fields are compared */ -UNIV_INLINE -int -cmp_rec_rec( -/*========*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ - dict_index_t* index) /*!< in: data dictionary index */ -{ - ulint match_f = 0; - ulint match_b = 0; - - return(cmp_rec_rec_with_match(rec1, rec2, offsets1, offsets2, index, - &match_f, &match_b)); -} diff --git a/perfschema/include/rem0rec.h b/perfschema/include/rem0rec.h deleted file mode 100644 index 17d08afabb9..00000000000 --- a/perfschema/include/rem0rec.h +++ /dev/null @@ -1,824 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/rem0rec.h -Record manager - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#ifndef rem0rec_h -#define rem0rec_h - -#include "univ.i" -#include "data0data.h" -#include "rem0types.h" -#include "mtr0types.h" -#include "page0types.h" - -/* Info bit denoting the predefined minimum record: this bit is set -if and only if the record is the first user record on a non-leaf -B-tree page that is the leftmost page on its level -(PAGE_LEVEL is nonzero and FIL_PAGE_PREV is FIL_NULL). */ -#define REC_INFO_MIN_REC_FLAG 0x10UL -/* The deleted flag in info bits */ -#define REC_INFO_DELETED_FLAG 0x20UL /* when bit is set to 1, it means the - record has been delete marked */ - -/* Number of extra bytes in an old-style record, -in addition to the data and the offsets */ -#define REC_N_OLD_EXTRA_BYTES 6 -/* Number of extra bytes in a new-style record, -in addition to the data and the offsets */ -#define REC_N_NEW_EXTRA_BYTES 5 - -/* Record status values */ -#define REC_STATUS_ORDINARY 0 -#define REC_STATUS_NODE_PTR 1 -#define REC_STATUS_INFIMUM 2 -#define REC_STATUS_SUPREMUM 3 - -/* The following four constants are needed in page0zip.c in order to -efficiently compress and decompress pages. */ - -/* The offset of heap_no in a compact record */ -#define REC_NEW_HEAP_NO 4 -/* The shift of heap_no in a compact record. -The status is stored in the low-order bits. */ -#define REC_HEAP_NO_SHIFT 3 - -/* Length of a B-tree node pointer, in bytes */ -#define REC_NODE_PTR_SIZE 4 - -#ifdef UNIV_DEBUG -/* Length of the rec_get_offsets() header */ -# define REC_OFFS_HEADER_SIZE 4 -#else /* UNIV_DEBUG */ -/* Length of the rec_get_offsets() header */ -# define REC_OFFS_HEADER_SIZE 2 -#endif /* UNIV_DEBUG */ - -/* Number of elements that should be initially allocated for the -offsets[] array, first passed to rec_get_offsets() */ -#define REC_OFFS_NORMAL_SIZE 100 -#define REC_OFFS_SMALL_SIZE 10 - -/******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -const rec_t* -rec_get_next_ptr_const( -/*===================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -rec_t* -rec_get_next_ptr( -/*=============*/ - rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to get the offset of the -next chained record on the same page. -@return the page offset of the next chained record, or 0 if none */ -UNIV_INLINE -ulint -rec_get_next_offs( -/*==============*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to set the next record offset field -of an old-style record. */ -UNIV_INLINE -void -rec_set_next_offs_old( -/*==================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint next); /*!< in: offset of the next record */ -/******************************************************//** -The following function is used to set the next record offset field -of a new-style record. */ -UNIV_INLINE -void -rec_set_next_offs_new( -/*==================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - ulint next); /*!< in: offset of the next record */ -/******************************************************//** -The following function is used to get the number of fields -in an old-style record. -@return number of data fields */ -UNIV_INLINE -ulint -rec_get_n_fields_old( -/*=================*/ - const rec_t* rec); /*!< in: physical record */ -/******************************************************//** -The following function is used to get the number of fields -in a record. -@return number of data fields */ -UNIV_INLINE -ulint -rec_get_n_fields( -/*=============*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index); /*!< in: record descriptor */ -/******************************************************//** -The following function is used to get the number of records owned by the -previous directory record. -@return number of owned records */ -UNIV_INLINE -ulint -rec_get_n_owned_old( -/*================*/ - const rec_t* rec); /*!< in: old-style physical record */ -/******************************************************//** -The following function is used to set the number of owned records. */ -UNIV_INLINE -void -rec_set_n_owned_old( -/*================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint n_owned); /*!< in: the number of owned */ -/******************************************************//** -The following function is used to get the number of records owned by the -previous directory record. -@return number of owned records */ -UNIV_INLINE -ulint -rec_get_n_owned_new( -/*================*/ - const rec_t* rec); /*!< in: new-style physical record */ -/******************************************************//** -The following function is used to set the number of owned records. */ -UNIV_INLINE -void -rec_set_n_owned_new( -/*================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint n_owned);/*!< in: the number of owned */ -/******************************************************//** -The following function is used to retrieve the info bits of -a record. -@return info bits */ -UNIV_INLINE -ulint -rec_get_info_bits( -/*==============*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to set the info bits of a record. */ -UNIV_INLINE -void -rec_set_info_bits_old( -/*==================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint bits); /*!< in: info bits */ -/******************************************************//** -The following function is used to set the info bits of a record. */ -UNIV_INLINE -void -rec_set_info_bits_new( -/*==================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - ulint bits); /*!< in: info bits */ -/******************************************************//** -The following function retrieves the status bits of a new-style record. -@return status bits */ -UNIV_INLINE -ulint -rec_get_status( -/*===========*/ - const rec_t* rec); /*!< in: physical record */ - -/******************************************************//** -The following function is used to set the status bits of a new-style record. */ -UNIV_INLINE -void -rec_set_status( -/*===========*/ - rec_t* rec, /*!< in/out: physical record */ - ulint bits); /*!< in: info bits */ - -/******************************************************//** -The following function is used to retrieve the info and status -bits of a record. (Only compact records have status bits.) -@return info bits */ -UNIV_INLINE -ulint -rec_get_info_and_status_bits( -/*=========================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to set the info and status -bits of a record. (Only compact records have status bits.) */ -UNIV_INLINE -void -rec_set_info_and_status_bits( -/*=========================*/ - rec_t* rec, /*!< in/out: compact physical record */ - ulint bits); /*!< in: info bits */ - -/******************************************************//** -The following function tells if record is delete marked. -@return nonzero if delete marked */ -UNIV_INLINE -ulint -rec_get_deleted_flag( -/*=================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp); /*!< in: nonzero=compact page format */ -/******************************************************//** -The following function is used to set the deleted bit. */ -UNIV_INLINE -void -rec_set_deleted_flag_old( -/*=====================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint flag); /*!< in: nonzero if delete marked */ -/******************************************************//** -The following function is used to set the deleted bit. */ -UNIV_INLINE -void -rec_set_deleted_flag_new( -/*=====================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint flag); /*!< in: nonzero if delete marked */ -/******************************************************//** -The following function tells if a new-style record is a node pointer. -@return TRUE if node pointer */ -UNIV_INLINE -ibool -rec_get_node_ptr_flag( -/*==================*/ - const rec_t* rec); /*!< in: physical record */ -/******************************************************//** -The following function is used to get the order number -of an old-style record in the heap of the index page. -@return heap order number */ -UNIV_INLINE -ulint -rec_get_heap_no_old( -/*================*/ - const rec_t* rec); /*!< in: physical record */ -/******************************************************//** -The following function is used to set the heap number -field in an old-style record. */ -UNIV_INLINE -void -rec_set_heap_no_old( -/*================*/ - rec_t* rec, /*!< in: physical record */ - ulint heap_no);/*!< in: the heap number */ -/******************************************************//** -The following function is used to get the order number -of a new-style record in the heap of the index page. -@return heap order number */ -UNIV_INLINE -ulint -rec_get_heap_no_new( -/*================*/ - const rec_t* rec); /*!< in: physical record */ -/******************************************************//** -The following function is used to set the heap number -field in a new-style record. */ -UNIV_INLINE -void -rec_set_heap_no_new( -/*================*/ - rec_t* rec, /*!< in/out: physical record */ - ulint heap_no);/*!< in: the heap number */ -/******************************************************//** -The following function is used to test whether the data offsets -in the record are stored in one-byte or two-byte format. -@return TRUE if 1-byte form */ -UNIV_INLINE -ibool -rec_get_1byte_offs_flag( -/*====================*/ - const rec_t* rec); /*!< in: physical record */ - -/******************************************************//** -Determine how many of the first n columns in a compact -physical record are stored externally. -@return number of externally stored columns */ -UNIV_INTERN -ulint -rec_get_n_extern_new( -/*=================*/ - const rec_t* rec, /*!< in: compact physical record */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n); /*!< in: number of columns to scan */ - -/******************************************************//** -The following function determines the offsets to each field -in the record. It can reuse a previously allocated array. -@return the new offsets */ -UNIV_INTERN -ulint* -rec_get_offsets_func( -/*=================*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets,/*!< in/out: array consisting of - offsets[0] allocated elements, - or an array from rec_get_offsets(), - or NULL */ - ulint n_fields,/*!< in: maximum number of - initialized fields - (ULINT_UNDEFINED if all fields) */ - mem_heap_t** heap, /*!< in/out: memory heap */ - const char* file, /*!< in: file name where called */ - ulint line); /*!< in: line number where called */ - -#define rec_get_offsets(rec,index,offsets,n,heap) \ - rec_get_offsets_func(rec,index,offsets,n,heap,__FILE__,__LINE__) - -/******************************************************//** -Determine the offset to each field in a leaf-page record -in ROW_FORMAT=COMPACT. This is a special case of -rec_init_offsets() and rec_get_offsets_func(). */ -UNIV_INTERN -void -rec_init_offsets_comp_ordinary( -/*===========================*/ - const rec_t* rec, /*!< in: physical record in - ROW_FORMAT=COMPACT */ - ulint extra, /*!< in: number of bytes to reserve - between the record header and - the data payload - (usually REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets);/*!< in/out: array of offsets; - in: n=rec_offs_n_fields(offsets) */ - -/******************************************************//** -The following function determines the offsets to each field -in the record. It can reuse a previously allocated array. */ -UNIV_INTERN -void -rec_get_offsets_reverse( -/*====================*/ - const byte* extra, /*!< in: the extra bytes of a - compact record in reverse order, - excluding the fixed-size - REC_N_NEW_EXTRA_BYTES */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint node_ptr,/*!< in: nonzero=node pointer, - 0=leaf node */ - ulint* offsets);/*!< in/out: array consisting of - offsets[0] allocated elements */ - -/************************************************************//** -Validates offsets returned by rec_get_offsets(). -@return TRUE if valid */ -UNIV_INLINE -ibool -rec_offs_validate( -/*==============*/ - const rec_t* rec, /*!< in: record or NULL */ - const dict_index_t* index, /*!< in: record descriptor or NULL */ - const ulint* offsets);/*!< in: array returned by - rec_get_offsets() */ -#ifdef UNIV_DEBUG -/************************************************************//** -Updates debug data in offsets, in order to avoid bogus -rec_offs_validate() failures. */ -UNIV_INLINE -void -rec_offs_make_valid( -/*================*/ - const rec_t* rec, /*!< in: record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets);/*!< in: array returned by - rec_get_offsets() */ -#else -# define rec_offs_make_valid(rec, index, offsets) ((void) 0) -#endif /* UNIV_DEBUG */ - -/************************************************************//** -The following function is used to get the offset to the nth -data field in an old-style record. -@return offset to the field */ -UNIV_INTERN -ulint -rec_get_nth_field_offs_old( -/*=======================*/ - const rec_t* rec, /*!< in: record */ - ulint n, /*!< in: index of the field */ - ulint* len); /*!< out: length of the field; UNIV_SQL_NULL - if SQL null */ -#define rec_get_nth_field_old(rec, n, len) \ -((rec) + rec_get_nth_field_offs_old(rec, n, len)) -/************************************************************//** -Gets the physical size of an old-style field. -Also an SQL null may have a field of size > 0, -if the data type is of a fixed size. -@return field size in bytes */ -UNIV_INLINE -ulint -rec_get_nth_field_size( -/*===================*/ - const rec_t* rec, /*!< in: record */ - ulint n); /*!< in: index of the field */ -/************************************************************//** -The following function is used to get an offset to the nth -data field in a record. -@return offset from the origin of rec */ -UNIV_INLINE -ulint -rec_get_nth_field_offs( -/*===================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n, /*!< in: index of the field */ - ulint* len); /*!< out: length of the field; UNIV_SQL_NULL - if SQL null */ -#define rec_get_nth_field(rec, offsets, n, len) \ -((rec) + rec_get_nth_field_offs(offsets, n, len)) -/******************************************************//** -Determine if the offsets are for a record in the new -compact format. -@return nonzero if compact format */ -UNIV_INLINE -ulint -rec_offs_comp( -/*==========*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************//** -Determine if the offsets are for a record containing -externally stored columns. -@return nonzero if externally stored */ -UNIV_INLINE -ulint -rec_offs_any_extern( -/*================*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/******************************************************//** -Returns nonzero if the extern bit is set in nth field of rec. -@return nonzero if externally stored */ -UNIV_INLINE -ulint -rec_offs_nth_extern( -/*================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n); /*!< in: nth field */ -/******************************************************//** -Returns nonzero if the SQL NULL bit is set in nth field of rec. -@return nonzero if SQL NULL */ -UNIV_INLINE -ulint -rec_offs_nth_sql_null( -/*==================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n); /*!< in: nth field */ -/******************************************************//** -Gets the physical size of a field. -@return length of field */ -UNIV_INLINE -ulint -rec_offs_nth_size( -/*==============*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n); /*!< in: nth field */ - -/******************************************************//** -Returns the number of extern bits set in a record. -@return number of externally stored fields */ -UNIV_INLINE -ulint -rec_offs_n_extern( -/*==============*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***********************************************************//** -This is used to modify the value of an already existing field in a record. -The previous value must have exactly the same size as the new value. If len -is UNIV_SQL_NULL then the field is treated as an SQL null. -For records in ROW_FORMAT=COMPACT (new-style records), len must not be -UNIV_SQL_NULL unless the field already is SQL null. */ -UNIV_INLINE -void -rec_set_nth_field( -/*==============*/ - rec_t* rec, /*!< in: record */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n, /*!< in: index number of the field */ - const void* data, /*!< in: pointer to the data if not SQL null */ - ulint len); /*!< in: length of the data or UNIV_SQL_NULL */ -/**********************************************************//** -The following function returns the data size of an old-style physical -record, that is the sum of field lengths. SQL null fields -are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. -@return size */ -UNIV_INLINE -ulint -rec_get_data_size_old( -/*==================*/ - const rec_t* rec); /*!< in: physical record */ -/**********************************************************//** -The following function returns the number of allocated elements -for an array of offsets. -@return number of elements */ -UNIV_INLINE -ulint -rec_offs_get_n_alloc( -/*=================*/ - const ulint* offsets);/*!< in: array for rec_get_offsets() */ -/**********************************************************//** -The following function sets the number of allocated elements -for an array of offsets. */ -UNIV_INLINE -void -rec_offs_set_n_alloc( -/*=================*/ - ulint* offsets, /*!< out: array for rec_get_offsets(), - must be allocated */ - ulint n_alloc); /*!< in: number of elements */ -#define rec_offs_init(offsets) \ - rec_offs_set_n_alloc(offsets, (sizeof offsets) / sizeof *offsets) -/**********************************************************//** -The following function returns the number of fields in a record. -@return number of fields */ -UNIV_INLINE -ulint -rec_offs_n_fields( -/*==============*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -The following function returns the data size of a physical -record, that is the sum of field lengths. SQL null fields -are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. -@return size */ -UNIV_INLINE -ulint -rec_offs_data_size( -/*===============*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -Returns the total size of record minus data size of record. -The value returned by the function is the distance from record -start to record origin in bytes. -@return size */ -UNIV_INLINE -ulint -rec_offs_extra_size( -/*================*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -Returns the total size of a physical record. -@return size */ -UNIV_INLINE -ulint -rec_offs_size( -/*==========*/ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -Returns a pointer to the start of the record. -@return pointer to start */ -UNIV_INLINE -byte* -rec_get_start( -/*==========*/ - rec_t* rec, /*!< in: pointer to record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/**********************************************************//** -Returns a pointer to the end of the record. -@return pointer to end */ -UNIV_INLINE -byte* -rec_get_end( -/*========*/ - rec_t* rec, /*!< in: pointer to record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Copies a physical record to a buffer. -@return pointer to the origin of the copy */ -UNIV_INLINE -rec_t* -rec_copy( -/*=====*/ - void* buf, /*!< in: buffer */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -#ifndef UNIV_HOTBACKUP -/**************************************************************//** -Copies the first n fields of a physical record to a new physical record in -a buffer. -@return own: copied record */ -UNIV_INTERN -rec_t* -rec_copy_prefix_to_buf( -/*===================*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint n_fields, /*!< in: number of fields - to copy */ - byte** buf, /*!< in/out: memory buffer - for the copied prefix, - or NULL */ - ulint* buf_size); /*!< in/out: buffer size */ -/************************************************************//** -Folds a prefix of a physical record to a ulint. -@return the folded value */ -UNIV_INLINE -ulint -rec_fold( -/*=====*/ - const rec_t* rec, /*!< in: the physical record */ - const ulint* offsets, /*!< in: array returned by - rec_get_offsets() */ - ulint n_fields, /*!< in: number of complete - fields to fold */ - ulint n_bytes, /*!< in: number of bytes to fold - in an incomplete last field */ - dulint tree_id) /*!< in: index tree id */ - __attribute__((pure)); -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************//** -Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ -UNIV_INTERN -void -rec_convert_dtuple_to_rec_comp( -/*===========================*/ - rec_t* rec, /*!< in: origin of record */ - ulint extra, /*!< in: number of bytes to - reserve between the record - header and the data payload - (normally REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint status, /*!< in: status bits of the record */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields);/*!< in: number of data fields */ -/*********************************************************//** -Builds a physical record out of a data tuple and -stores it into the given buffer. -@return pointer to the origin of physical record */ -UNIV_INTERN -rec_t* -rec_convert_dtuple_to_rec( -/*======================*/ - byte* buf, /*!< in: start address of the - physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* dtuple, /*!< in: data tuple */ - ulint n_ext); /*!< in: number of - externally stored columns */ -/**********************************************************//** -Returns the extra size of an old-style physical record if we know its -data size and number of fields. -@return extra size */ -UNIV_INLINE -ulint -rec_get_converted_extra_size( -/*=========================*/ - ulint data_size, /*!< in: data size */ - ulint n_fields, /*!< in: number of fields */ - ulint n_ext) /*!< in: number of externally stored columns */ - __attribute__((const)); -/**********************************************************//** -Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. -@return total size */ -UNIV_INTERN -ulint -rec_get_converted_size_comp_prefix( -/*===============================*/ - const dict_index_t* index, /*!< in: record descriptor; - dict_table_is_comp() is - assumed to hold, even if - it does not */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields,/*!< in: number of data fields */ - ulint* extra); /*!< out: extra size */ -/**********************************************************//** -Determines the size of a data tuple in ROW_FORMAT=COMPACT. -@return total size */ -UNIV_INTERN -ulint -rec_get_converted_size_comp( -/*========================*/ - const dict_index_t* index, /*!< in: record descriptor; - dict_table_is_comp() is - assumed to hold, even if - it does not */ - ulint status, /*!< in: status bits of the record */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields,/*!< in: number of data fields */ - ulint* extra); /*!< out: extra size */ -/**********************************************************//** -The following function returns the size of a data tuple when converted to -a physical record. -@return size */ -UNIV_INLINE -ulint -rec_get_converted_size( -/*===================*/ - dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* dtuple, /*!< in: data tuple */ - ulint n_ext); /*!< in: number of externally stored columns */ -#ifndef UNIV_HOTBACKUP -/**************************************************************//** -Copies the first n fields of a physical record to a data tuple. -The fields are copied to the memory heap. */ -UNIV_INTERN -void -rec_copy_prefix_to_dtuple( -/*======================*/ - dtuple_t* tuple, /*!< out: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint n_fields, /*!< in: number of fields - to copy */ - mem_heap_t* heap); /*!< in: memory heap */ -#endif /* !UNIV_HOTBACKUP */ -/***************************************************************//** -Validates the consistency of a physical record. -@return TRUE if ok */ -UNIV_INTERN -ibool -rec_validate( -/*=========*/ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Prints an old-style physical record. */ -UNIV_INTERN -void -rec_print_old( -/*==========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec); /*!< in: physical record */ -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Prints a physical record in ROW_FORMAT=COMPACT. Ignores the -record header. */ -UNIV_INTERN -void -rec_print_comp( -/*===========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Prints a physical record. */ -UNIV_INTERN -void -rec_print_new( -/*==========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Prints a physical record. */ -UNIV_INTERN -void -rec_print( -/*======*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - dict_index_t* index); /*!< in: record descriptor */ -#endif /* UNIV_HOTBACKUP */ - -#define REC_INFO_BITS 6 /* This is single byte bit-field */ - -/* Maximum lengths for the data in a physical record if the offsets -are given in one byte (resp. two byte) format. */ -#define REC_1BYTE_OFFS_LIMIT 0x7FUL -#define REC_2BYTE_OFFS_LIMIT 0x7FFFUL - -/* The data size of record must be smaller than this because we reserve -two upmost bits in a two byte offset for special purposes */ -#define REC_MAX_DATA_SIZE (16 * 1024) - -#ifndef UNIV_NONINL -#include "rem0rec.ic" -#endif - -#endif diff --git a/perfschema/include/rem0rec.ic b/perfschema/include/rem0rec.ic deleted file mode 100644 index 8e5bd9a7fcd..00000000000 --- a/perfschema/include/rem0rec.ic +++ /dev/null @@ -1,1647 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/rem0rec.ic -Record manager - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#include "mach0data.h" -#include "ut0byte.h" -#include "dict0dict.h" - -/* Compact flag ORed to the extra size returned by rec_get_offsets() */ -#define REC_OFFS_COMPACT ((ulint) 1 << 31) -/* SQL NULL flag in offsets returned by rec_get_offsets() */ -#define REC_OFFS_SQL_NULL ((ulint) 1 << 31) -/* External flag in offsets returned by rec_get_offsets() */ -#define REC_OFFS_EXTERNAL ((ulint) 1 << 30) -/* Mask for offsets returned by rec_get_offsets() */ -#define REC_OFFS_MASK (REC_OFFS_EXTERNAL - 1) - -/* Offsets of the bit-fields in an old-style record. NOTE! In the table the -most significant bytes and bits are written below less significant. - - (1) byte offset (2) bit usage within byte - downward from - origin -> 1 8 bits pointer to next record - 2 8 bits pointer to next record - 3 1 bit short flag - 7 bits number of fields - 4 3 bits number of fields - 5 bits heap number - 5 8 bits heap number - 6 4 bits n_owned - 4 bits info bits -*/ - -/* Offsets of the bit-fields in a new-style record. NOTE! In the table the -most significant bytes and bits are written below less significant. - - (1) byte offset (2) bit usage within byte - downward from - origin -> 1 8 bits relative offset of next record - 2 8 bits relative offset of next record - the relative offset is an unsigned 16-bit - integer: - (offset_of_next_record - - offset_of_this_record) mod 64Ki, - where mod is the modulo as a non-negative - number; - we can calculate the offset of the next - record with the formula: - relative_offset + offset_of_this_record - mod UNIV_PAGE_SIZE - 3 3 bits status: - 000=conventional record - 001=node pointer record (inside B-tree) - 010=infimum record - 011=supremum record - 1xx=reserved - 5 bits heap number - 4 8 bits heap number - 5 4 bits n_owned - 4 bits info bits -*/ - -/* We list the byte offsets from the origin of the record, the mask, -and the shift needed to obtain each bit-field of the record. */ - -#define REC_NEXT 2 -#define REC_NEXT_MASK 0xFFFFUL -#define REC_NEXT_SHIFT 0 - -#define REC_OLD_SHORT 3 /* This is single byte bit-field */ -#define REC_OLD_SHORT_MASK 0x1UL -#define REC_OLD_SHORT_SHIFT 0 - -#define REC_OLD_N_FIELDS 4 -#define REC_OLD_N_FIELDS_MASK 0x7FEUL -#define REC_OLD_N_FIELDS_SHIFT 1 - -#define REC_NEW_STATUS 3 /* This is single byte bit-field */ -#define REC_NEW_STATUS_MASK 0x7UL -#define REC_NEW_STATUS_SHIFT 0 - -#define REC_OLD_HEAP_NO 5 -#define REC_HEAP_NO_MASK 0xFFF8UL -#if 0 /* defined in rem0rec.h for use of page0zip.c */ -#define REC_NEW_HEAP_NO 4 -#define REC_HEAP_NO_SHIFT 3 -#endif - -#define REC_OLD_N_OWNED 6 /* This is single byte bit-field */ -#define REC_NEW_N_OWNED 5 /* This is single byte bit-field */ -#define REC_N_OWNED_MASK 0xFUL -#define REC_N_OWNED_SHIFT 0 - -#define REC_OLD_INFO_BITS 6 /* This is single byte bit-field */ -#define REC_NEW_INFO_BITS 5 /* This is single byte bit-field */ -#define REC_INFO_BITS_MASK 0xF0UL -#define REC_INFO_BITS_SHIFT 0 - -/* The following masks are used to filter the SQL null bit from -one-byte and two-byte offsets */ - -#define REC_1BYTE_SQL_NULL_MASK 0x80UL -#define REC_2BYTE_SQL_NULL_MASK 0x8000UL - -/* In a 2-byte offset the second most significant bit denotes -a field stored to another page: */ - -#define REC_2BYTE_EXTERN_MASK 0x4000UL - -#if REC_OLD_SHORT_MASK << (8 * (REC_OLD_SHORT - 3)) \ - ^ REC_OLD_N_FIELDS_MASK << (8 * (REC_OLD_N_FIELDS - 4)) \ - ^ REC_HEAP_NO_MASK << (8 * (REC_OLD_HEAP_NO - 4)) \ - ^ REC_N_OWNED_MASK << (8 * (REC_OLD_N_OWNED - 3)) \ - ^ REC_INFO_BITS_MASK << (8 * (REC_OLD_INFO_BITS - 3)) \ - ^ 0xFFFFFFFFUL -# error "sum of old-style masks != 0xFFFFFFFFUL" -#endif -#if REC_NEW_STATUS_MASK << (8 * (REC_NEW_STATUS - 3)) \ - ^ REC_HEAP_NO_MASK << (8 * (REC_NEW_HEAP_NO - 4)) \ - ^ REC_N_OWNED_MASK << (8 * (REC_NEW_N_OWNED - 3)) \ - ^ REC_INFO_BITS_MASK << (8 * (REC_NEW_INFO_BITS - 3)) \ - ^ 0xFFFFFFUL -# error "sum of new-style masks != 0xFFFFFFUL" -#endif - -/***********************************************************//** -Sets the value of the ith field SQL null bit of an old-style record. */ -UNIV_INTERN -void -rec_set_nth_field_null_bit( -/*=======================*/ - rec_t* rec, /*!< in: record */ - ulint i, /*!< in: ith field */ - ibool val); /*!< in: value to set */ -/***********************************************************//** -Sets an old-style record field to SQL null. -The physical size of the field is not changed. */ -UNIV_INTERN -void -rec_set_nth_field_sql_null( -/*=======================*/ - rec_t* rec, /*!< in: record */ - ulint n); /*!< in: index of the field */ - -/******************************************************//** -Gets a bit field from within 1 byte. */ -UNIV_INLINE -ulint -rec_get_bit_field_1( -/*================*/ - const rec_t* rec, /*!< in: pointer to record origin */ - ulint offs, /*!< in: offset from the origin down */ - ulint mask, /*!< in: mask used to filter bits */ - ulint shift) /*!< in: shift right applied after masking */ -{ - ut_ad(rec); - - return((mach_read_from_1(rec - offs) & mask) >> shift); -} - -/******************************************************//** -Sets a bit field within 1 byte. */ -UNIV_INLINE -void -rec_set_bit_field_1( -/*================*/ - rec_t* rec, /*!< in: pointer to record origin */ - ulint val, /*!< in: value to set */ - ulint offs, /*!< in: offset from the origin down */ - ulint mask, /*!< in: mask used to filter bits */ - ulint shift) /*!< in: shift right applied after masking */ -{ - ut_ad(rec); - ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); - ut_ad(mask); - ut_ad(mask <= 0xFFUL); - ut_ad(((mask >> shift) << shift) == mask); - ut_ad(((val << shift) & mask) == (val << shift)); - - mach_write_to_1(rec - offs, - (mach_read_from_1(rec - offs) & ~mask) - | (val << shift)); -} - -/******************************************************//** -Gets a bit field from within 2 bytes. */ -UNIV_INLINE -ulint -rec_get_bit_field_2( -/*================*/ - const rec_t* rec, /*!< in: pointer to record origin */ - ulint offs, /*!< in: offset from the origin down */ - ulint mask, /*!< in: mask used to filter bits */ - ulint shift) /*!< in: shift right applied after masking */ -{ - ut_ad(rec); - - return((mach_read_from_2(rec - offs) & mask) >> shift); -} - -/******************************************************//** -Sets a bit field within 2 bytes. */ -UNIV_INLINE -void -rec_set_bit_field_2( -/*================*/ - rec_t* rec, /*!< in: pointer to record origin */ - ulint val, /*!< in: value to set */ - ulint offs, /*!< in: offset from the origin down */ - ulint mask, /*!< in: mask used to filter bits */ - ulint shift) /*!< in: shift right applied after masking */ -{ - ut_ad(rec); - ut_ad(offs <= REC_N_OLD_EXTRA_BYTES); - ut_ad(mask > 0xFFUL); - ut_ad(mask <= 0xFFFFUL); - ut_ad((mask >> shift) & 1); - ut_ad(0 == ((mask >> shift) & ((mask >> shift) + 1))); - ut_ad(((mask >> shift) << shift) == mask); - ut_ad(((val << shift) & mask) == (val << shift)); - - mach_write_to_2(rec - offs, - (mach_read_from_2(rec - offs) & ~mask) - | (val << shift)); -} - -/******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -const rec_t* -rec_get_next_ptr_const( -/*===================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - ulint field_value; - - ut_ad(REC_NEXT_MASK == 0xFFFFUL); - ut_ad(REC_NEXT_SHIFT == 0); - - field_value = mach_read_from_2(rec - REC_NEXT); - - if (UNIV_UNLIKELY(field_value == 0)) { - - return(NULL); - } - - if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { -#if UNIV_PAGE_SIZE <= 32768 - /* Note that for 64 KiB pages, field_value can 'wrap around' - and the debug assertion is not valid */ - - /* In the following assertion, field_value is interpreted - as signed 16-bit integer in 2's complement arithmetics. - If all platforms defined int16_t in the standard headers, - the expression could be written simpler as - (int16_t) field_value + ut_align_offset(...) < UNIV_PAGE_SIZE - */ - ut_ad((field_value >= 32768 - ? field_value - 65536 - : field_value) - + ut_align_offset(rec, UNIV_PAGE_SIZE) - < UNIV_PAGE_SIZE); -#endif - /* There must be at least REC_N_NEW_EXTRA_BYTES + 1 - between each record. */ - ut_ad((field_value > REC_N_NEW_EXTRA_BYTES - && field_value < 32768) - || field_value < (uint16) -REC_N_NEW_EXTRA_BYTES); - - return((byte*) ut_align_down(rec, UNIV_PAGE_SIZE) - + ut_align_offset(rec + field_value, UNIV_PAGE_SIZE)); - } else { - ut_ad(field_value < UNIV_PAGE_SIZE); - - return((byte*) ut_align_down(rec, UNIV_PAGE_SIZE) - + field_value); - } -} - -/******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -rec_t* -rec_get_next_ptr( -/*=============*/ - rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - return((rec_t*) rec_get_next_ptr_const(rec, comp)); -} - -/******************************************************//** -The following function is used to get the offset of the next chained record -on the same page. -@return the page offset of the next chained record, or 0 if none */ -UNIV_INLINE -ulint -rec_get_next_offs( -/*==============*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - ulint field_value; -#if REC_NEXT_MASK != 0xFFFFUL -# error "REC_NEXT_MASK != 0xFFFFUL" -#endif -#if REC_NEXT_SHIFT -# error "REC_NEXT_SHIFT != 0" -#endif - - field_value = mach_read_from_2(rec - REC_NEXT); - - if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { -#if UNIV_PAGE_SIZE <= 32768 - /* Note that for 64 KiB pages, field_value can 'wrap around' - and the debug assertion is not valid */ - - /* In the following assertion, field_value is interpreted - as signed 16-bit integer in 2's complement arithmetics. - If all platforms defined int16_t in the standard headers, - the expression could be written simpler as - (int16_t) field_value + ut_align_offset(...) < UNIV_PAGE_SIZE - */ - ut_ad((field_value >= 32768 - ? field_value - 65536 - : field_value) - + ut_align_offset(rec, UNIV_PAGE_SIZE) - < UNIV_PAGE_SIZE); -#endif - if (UNIV_UNLIKELY(field_value == 0)) { - - return(0); - } - - /* There must be at least REC_N_NEW_EXTRA_BYTES + 1 - between each record. */ - ut_ad((field_value > REC_N_NEW_EXTRA_BYTES - && field_value < 32768) - || field_value < (uint16) -REC_N_NEW_EXTRA_BYTES); - - return(ut_align_offset(rec + field_value, UNIV_PAGE_SIZE)); - } else { - ut_ad(field_value < UNIV_PAGE_SIZE); - - return(field_value); - } -} - -/******************************************************//** -The following function is used to set the next record offset field -of an old-style record. */ -UNIV_INLINE -void -rec_set_next_offs_old( -/*==================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint next) /*!< in: offset of the next record */ -{ - ut_ad(rec); - ut_ad(UNIV_PAGE_SIZE > next); -#if REC_NEXT_MASK != 0xFFFFUL -# error "REC_NEXT_MASK != 0xFFFFUL" -#endif -#if REC_NEXT_SHIFT -# error "REC_NEXT_SHIFT != 0" -#endif - - mach_write_to_2(rec - REC_NEXT, next); -} - -/******************************************************//** -The following function is used to set the next record offset field -of a new-style record. */ -UNIV_INLINE -void -rec_set_next_offs_new( -/*==================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - ulint next) /*!< in: offset of the next record */ -{ - ulint field_value; - - ut_ad(rec); - ut_ad(UNIV_PAGE_SIZE > next); - - if (UNIV_UNLIKELY(!next)) { - field_value = 0; - } else { - /* The following two statements calculate - next - offset_of_rec mod 64Ki, where mod is the modulo - as a non-negative number */ - - field_value = (ulint) - ((lint) next - - (lint) ut_align_offset(rec, UNIV_PAGE_SIZE)); - field_value &= REC_NEXT_MASK; - } - - mach_write_to_2(rec - REC_NEXT, field_value); -} - -/******************************************************//** -The following function is used to get the number of fields -in an old-style record. -@return number of data fields */ -UNIV_INLINE -ulint -rec_get_n_fields_old( -/*=================*/ - const rec_t* rec) /*!< in: physical record */ -{ - ulint ret; - - ut_ad(rec); - - ret = rec_get_bit_field_2(rec, REC_OLD_N_FIELDS, - REC_OLD_N_FIELDS_MASK, - REC_OLD_N_FIELDS_SHIFT); - ut_ad(ret <= REC_MAX_N_FIELDS); - ut_ad(ret > 0); - - return(ret); -} - -/******************************************************//** -The following function is used to set the number of fields -in an old-style record. */ -UNIV_INLINE -void -rec_set_n_fields_old( -/*=================*/ - rec_t* rec, /*!< in: physical record */ - ulint n_fields) /*!< in: the number of fields */ -{ - ut_ad(rec); - ut_ad(n_fields <= REC_MAX_N_FIELDS); - ut_ad(n_fields > 0); - - rec_set_bit_field_2(rec, n_fields, REC_OLD_N_FIELDS, - REC_OLD_N_FIELDS_MASK, REC_OLD_N_FIELDS_SHIFT); -} - -/******************************************************//** -The following function retrieves the status bits of a new-style record. -@return status bits */ -UNIV_INLINE -ulint -rec_get_status( -/*===========*/ - const rec_t* rec) /*!< in: physical record */ -{ - ulint ret; - - ut_ad(rec); - - ret = rec_get_bit_field_1(rec, REC_NEW_STATUS, - REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); - ut_ad((ret & ~REC_NEW_STATUS_MASK) == 0); - - return(ret); -} - -/******************************************************//** -The following function is used to get the number of fields -in a record. -@return number of data fields */ -UNIV_INLINE -ulint -rec_get_n_fields( -/*=============*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index) /*!< in: record descriptor */ -{ - ut_ad(rec); - ut_ad(index); - - if (!dict_table_is_comp(index->table)) { - return(rec_get_n_fields_old(rec)); - } - - switch (rec_get_status(rec)) { - case REC_STATUS_ORDINARY: - return(dict_index_get_n_fields(index)); - case REC_STATUS_NODE_PTR: - return(dict_index_get_n_unique_in_tree(index) + 1); - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - return(1); - default: - ut_error; - return(ULINT_UNDEFINED); - } -} - -/******************************************************//** -The following function is used to get the number of records owned by the -previous directory record. -@return number of owned records */ -UNIV_INLINE -ulint -rec_get_n_owned_old( -/*================*/ - const rec_t* rec) /*!< in: old-style physical record */ -{ - return(rec_get_bit_field_1(rec, REC_OLD_N_OWNED, - REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); -} - -/******************************************************//** -The following function is used to set the number of owned records. */ -UNIV_INLINE -void -rec_set_n_owned_old( -/*================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint n_owned) /*!< in: the number of owned */ -{ - rec_set_bit_field_1(rec, n_owned, REC_OLD_N_OWNED, - REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); -} - -/******************************************************//** -The following function is used to get the number of records owned by the -previous directory record. -@return number of owned records */ -UNIV_INLINE -ulint -rec_get_n_owned_new( -/*================*/ - const rec_t* rec) /*!< in: new-style physical record */ -{ - return(rec_get_bit_field_1(rec, REC_NEW_N_OWNED, - REC_N_OWNED_MASK, REC_N_OWNED_SHIFT)); -} - -/******************************************************//** -The following function is used to set the number of owned records. */ -UNIV_INLINE -void -rec_set_n_owned_new( -/*================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint n_owned)/*!< in: the number of owned */ -{ - rec_set_bit_field_1(rec, n_owned, REC_NEW_N_OWNED, - REC_N_OWNED_MASK, REC_N_OWNED_SHIFT); - if (UNIV_LIKELY_NULL(page_zip) - && UNIV_LIKELY(rec_get_status(rec) - != REC_STATUS_SUPREMUM)) { - page_zip_rec_set_owned(page_zip, rec, n_owned); - } -} - -/******************************************************//** -The following function is used to retrieve the info bits of a record. -@return info bits */ -UNIV_INLINE -ulint -rec_get_info_bits( -/*==============*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - return(rec_get_bit_field_1( - rec, comp ? REC_NEW_INFO_BITS : REC_OLD_INFO_BITS, - REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT)); -} - -/******************************************************//** -The following function is used to set the info bits of a record. */ -UNIV_INLINE -void -rec_set_info_bits_old( -/*==================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint bits) /*!< in: info bits */ -{ - rec_set_bit_field_1(rec, bits, REC_OLD_INFO_BITS, - REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); -} -/******************************************************//** -The following function is used to set the info bits of a record. */ -UNIV_INLINE -void -rec_set_info_bits_new( -/*==================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - ulint bits) /*!< in: info bits */ -{ - rec_set_bit_field_1(rec, bits, REC_NEW_INFO_BITS, - REC_INFO_BITS_MASK, REC_INFO_BITS_SHIFT); -} - -/******************************************************//** -The following function is used to set the status bits of a new-style record. */ -UNIV_INLINE -void -rec_set_status( -/*===========*/ - rec_t* rec, /*!< in/out: physical record */ - ulint bits) /*!< in: info bits */ -{ - rec_set_bit_field_1(rec, bits, REC_NEW_STATUS, - REC_NEW_STATUS_MASK, REC_NEW_STATUS_SHIFT); -} - -/******************************************************//** -The following function is used to retrieve the info and status -bits of a record. (Only compact records have status bits.) -@return info bits */ -UNIV_INLINE -ulint -rec_get_info_and_status_bits( -/*=========================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - ulint bits; -#if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ -& (REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT) -# error "REC_NEW_STATUS_MASK and REC_INFO_BITS_MASK overlap" -#endif - if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { - bits = rec_get_info_bits(rec, TRUE) | rec_get_status(rec); - } else { - bits = rec_get_info_bits(rec, FALSE); - ut_ad(!(bits & ~(REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT))); - } - return(bits); -} -/******************************************************//** -The following function is used to set the info and status -bits of a record. (Only compact records have status bits.) */ -UNIV_INLINE -void -rec_set_info_and_status_bits( -/*=========================*/ - rec_t* rec, /*!< in/out: physical record */ - ulint bits) /*!< in: info bits */ -{ -#if (REC_NEW_STATUS_MASK >> REC_NEW_STATUS_SHIFT) \ -& (REC_INFO_BITS_MASK >> REC_INFO_BITS_SHIFT) -# error "REC_NEW_STATUS_MASK and REC_INFO_BITS_MASK overlap" -#endif - rec_set_status(rec, bits & REC_NEW_STATUS_MASK); - rec_set_info_bits_new(rec, bits & ~REC_NEW_STATUS_MASK); -} - -/******************************************************//** -The following function tells if record is delete marked. -@return nonzero if delete marked */ -UNIV_INLINE -ulint -rec_get_deleted_flag( -/*=================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - if (UNIV_EXPECT(comp, REC_OFFS_COMPACT)) { - return(UNIV_UNLIKELY( - rec_get_bit_field_1(rec, REC_NEW_INFO_BITS, - REC_INFO_DELETED_FLAG, - REC_INFO_BITS_SHIFT))); - } else { - return(UNIV_UNLIKELY( - rec_get_bit_field_1(rec, REC_OLD_INFO_BITS, - REC_INFO_DELETED_FLAG, - REC_INFO_BITS_SHIFT))); - } -} - -/******************************************************//** -The following function is used to set the deleted bit. */ -UNIV_INLINE -void -rec_set_deleted_flag_old( -/*=====================*/ - rec_t* rec, /*!< in: old-style physical record */ - ulint flag) /*!< in: nonzero if delete marked */ -{ - ulint val; - - val = rec_get_info_bits(rec, FALSE); - - if (flag) { - val |= REC_INFO_DELETED_FLAG; - } else { - val &= ~REC_INFO_DELETED_FLAG; - } - - rec_set_info_bits_old(rec, val); -} - -/******************************************************//** -The following function is used to set the deleted bit. */ -UNIV_INLINE -void -rec_set_deleted_flag_new( -/*=====================*/ - rec_t* rec, /*!< in/out: new-style physical record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint flag) /*!< in: nonzero if delete marked */ -{ - ulint val; - - val = rec_get_info_bits(rec, TRUE); - - if (flag) { - val |= REC_INFO_DELETED_FLAG; - } else { - val &= ~REC_INFO_DELETED_FLAG; - } - - rec_set_info_bits_new(rec, val); - - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_rec_set_deleted(page_zip, rec, flag); - } -} - -/******************************************************//** -The following function tells if a new-style record is a node pointer. -@return TRUE if node pointer */ -UNIV_INLINE -ibool -rec_get_node_ptr_flag( -/*==================*/ - const rec_t* rec) /*!< in: physical record */ -{ - return(REC_STATUS_NODE_PTR == rec_get_status(rec)); -} - -/******************************************************//** -The following function is used to get the order number -of an old-style record in the heap of the index page. -@return heap order number */ -UNIV_INLINE -ulint -rec_get_heap_no_old( -/*================*/ - const rec_t* rec) /*!< in: physical record */ -{ - return(rec_get_bit_field_2(rec, REC_OLD_HEAP_NO, - REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); -} - -/******************************************************//** -The following function is used to set the heap number -field in an old-style record. */ -UNIV_INLINE -void -rec_set_heap_no_old( -/*================*/ - rec_t* rec, /*!< in: physical record */ - ulint heap_no)/*!< in: the heap number */ -{ - rec_set_bit_field_2(rec, heap_no, REC_OLD_HEAP_NO, - REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); -} - -/******************************************************//** -The following function is used to get the order number -of a new-style record in the heap of the index page. -@return heap order number */ -UNIV_INLINE -ulint -rec_get_heap_no_new( -/*================*/ - const rec_t* rec) /*!< in: physical record */ -{ - return(rec_get_bit_field_2(rec, REC_NEW_HEAP_NO, - REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT)); -} - -/******************************************************//** -The following function is used to set the heap number -field in a new-style record. */ -UNIV_INLINE -void -rec_set_heap_no_new( -/*================*/ - rec_t* rec, /*!< in/out: physical record */ - ulint heap_no)/*!< in: the heap number */ -{ - rec_set_bit_field_2(rec, heap_no, REC_NEW_HEAP_NO, - REC_HEAP_NO_MASK, REC_HEAP_NO_SHIFT); -} - -/******************************************************//** -The following function is used to test whether the data offsets in the record -are stored in one-byte or two-byte format. -@return TRUE if 1-byte form */ -UNIV_INLINE -ibool -rec_get_1byte_offs_flag( -/*====================*/ - const rec_t* rec) /*!< in: physical record */ -{ -#if TRUE != 1 -#error "TRUE != 1" -#endif - - return(rec_get_bit_field_1(rec, REC_OLD_SHORT, REC_OLD_SHORT_MASK, - REC_OLD_SHORT_SHIFT)); -} - -/******************************************************//** -The following function is used to set the 1-byte offsets flag. */ -UNIV_INLINE -void -rec_set_1byte_offs_flag( -/*====================*/ - rec_t* rec, /*!< in: physical record */ - ibool flag) /*!< in: TRUE if 1byte form */ -{ -#if TRUE != 1 -#error "TRUE != 1" -#endif - ut_ad(flag <= TRUE); - - rec_set_bit_field_1(rec, flag, REC_OLD_SHORT, REC_OLD_SHORT_MASK, - REC_OLD_SHORT_SHIFT); -} - -/******************************************************//** -Returns the offset of nth field end if the record is stored in the 1-byte -offsets form. If the field is SQL null, the flag is ORed in the returned -value. -@return offset of the start of the field, SQL null flag ORed */ -UNIV_INLINE -ulint -rec_1_get_field_end_info( -/*=====================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(rec_get_1byte_offs_flag(rec)); - ut_ad(n < rec_get_n_fields_old(rec)); - - return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1))); -} - -/******************************************************//** -Returns the offset of nth field end if the record is stored in the 2-byte -offsets form. If the field is SQL null, the flag is ORed in the returned -value. -@return offset of the start of the field, SQL null flag and extern -storage flag ORed */ -UNIV_INLINE -ulint -rec_2_get_field_end_info( -/*=====================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(!rec_get_1byte_offs_flag(rec)); - ut_ad(n < rec_get_n_fields_old(rec)); - - return(mach_read_from_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n + 2))); -} - -/* Get the base address of offsets. The extra_size is stored at -this position, and following positions hold the end offsets of -the fields. */ -#define rec_offs_base(offsets) (offsets + REC_OFFS_HEADER_SIZE) - -/**********************************************************//** -The following function returns the number of allocated elements -for an array of offsets. -@return number of elements */ -UNIV_INLINE -ulint -rec_offs_get_n_alloc( -/*=================*/ - const ulint* offsets)/*!< in: array for rec_get_offsets() */ -{ - ulint n_alloc; - ut_ad(offsets); - n_alloc = offsets[0]; - ut_ad(n_alloc > REC_OFFS_HEADER_SIZE); - UNIV_MEM_ASSERT_W(offsets, n_alloc * sizeof *offsets); - return(n_alloc); -} - -/**********************************************************//** -The following function sets the number of allocated elements -for an array of offsets. */ -UNIV_INLINE -void -rec_offs_set_n_alloc( -/*=================*/ - ulint* offsets, /*!< out: array for rec_get_offsets(), - must be allocated */ - ulint n_alloc) /*!< in: number of elements */ -{ - ut_ad(offsets); - ut_ad(n_alloc > REC_OFFS_HEADER_SIZE); - UNIV_MEM_ASSERT_AND_ALLOC(offsets, n_alloc * sizeof *offsets); - offsets[0] = n_alloc; -} - -/**********************************************************//** -The following function returns the number of fields in a record. -@return number of fields */ -UNIV_INLINE -ulint -rec_offs_n_fields( -/*==============*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint n_fields; - ut_ad(offsets); - n_fields = offsets[1]; - ut_ad(n_fields > 0); - ut_ad(n_fields <= REC_MAX_N_FIELDS); - ut_ad(n_fields + REC_OFFS_HEADER_SIZE - <= rec_offs_get_n_alloc(offsets)); - return(n_fields); -} - -/************************************************************//** -Validates offsets returned by rec_get_offsets(). -@return TRUE if valid */ -UNIV_INLINE -ibool -rec_offs_validate( -/*==============*/ - const rec_t* rec, /*!< in: record or NULL */ - const dict_index_t* index, /*!< in: record descriptor or NULL */ - const ulint* offsets)/*!< in: array returned by - rec_get_offsets() */ -{ - ulint i = rec_offs_n_fields(offsets); - ulint last = ULINT_MAX; - ulint comp = *rec_offs_base(offsets) & REC_OFFS_COMPACT; - - if (rec) { - ut_ad((ulint) rec == offsets[2]); - if (!comp) { - ut_a(rec_get_n_fields_old(rec) >= i); - } - } - if (index) { - ulint max_n_fields; - ut_ad((ulint) index == offsets[3]); - max_n_fields = ut_max( - dict_index_get_n_fields(index), - dict_index_get_n_unique_in_tree(index) + 1); - if (comp && rec) { - switch (rec_get_status(rec)) { - case REC_STATUS_ORDINARY: - break; - case REC_STATUS_NODE_PTR: - max_n_fields = dict_index_get_n_unique_in_tree( - index) + 1; - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - max_n_fields = 1; - break; - default: - ut_error; - } - } - /* index->n_def == 0 for dummy indexes if !comp */ - ut_a(!comp || index->n_def); - ut_a(!index->n_def || i <= max_n_fields); - } - while (i--) { - ulint curr = rec_offs_base(offsets)[1 + i] & REC_OFFS_MASK; - ut_a(curr <= last); - last = curr; - } - return(TRUE); -} -#ifdef UNIV_DEBUG -/************************************************************//** -Updates debug data in offsets, in order to avoid bogus -rec_offs_validate() failures. */ -UNIV_INLINE -void -rec_offs_make_valid( -/*================*/ - const rec_t* rec, /*!< in: record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets)/*!< in: array returned by - rec_get_offsets() */ -{ - ut_ad(rec); - ut_ad(index); - ut_ad(offsets); - ut_ad(rec_get_n_fields(rec, index) >= rec_offs_n_fields(offsets)); - offsets[2] = (ulint) rec; - offsets[3] = (ulint) index; -} -#endif /* UNIV_DEBUG */ - -/************************************************************//** -The following function is used to get an offset to the nth -data field in a record. -@return offset from the origin of rec */ -UNIV_INLINE -ulint -rec_get_nth_field_offs( -/*===================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n, /*!< in: index of the field */ - ulint* len) /*!< out: length of the field; UNIV_SQL_NULL - if SQL null */ -{ - ulint offs; - ulint length; - ut_ad(n < rec_offs_n_fields(offsets)); - ut_ad(len); - - if (UNIV_UNLIKELY(n == 0)) { - offs = 0; - } else { - offs = rec_offs_base(offsets)[n] & REC_OFFS_MASK; - } - - length = rec_offs_base(offsets)[1 + n]; - - if (length & REC_OFFS_SQL_NULL) { - length = UNIV_SQL_NULL; - } else { - length &= REC_OFFS_MASK; - length -= offs; - } - - *len = length; - return(offs); -} - -/******************************************************//** -Determine if the offsets are for a record in the new -compact format. -@return nonzero if compact format */ -UNIV_INLINE -ulint -rec_offs_comp( -/*==========*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - return(*rec_offs_base(offsets) & REC_OFFS_COMPACT); -} - -/******************************************************//** -Determine if the offsets are for a record containing -externally stored columns. -@return nonzero if externally stored */ -UNIV_INLINE -ulint -rec_offs_any_extern( -/*================*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - return(UNIV_UNLIKELY(*rec_offs_base(offsets) & REC_OFFS_EXTERNAL)); -} - -/******************************************************//** -Returns nonzero if the extern bit is set in nth field of rec. -@return nonzero if externally stored */ -UNIV_INLINE -ulint -rec_offs_nth_extern( -/*================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n) /*!< in: nth field */ -{ - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - ut_ad(n < rec_offs_n_fields(offsets)); - return(UNIV_UNLIKELY(rec_offs_base(offsets)[1 + n] - & REC_OFFS_EXTERNAL)); -} - -/******************************************************//** -Returns nonzero if the SQL NULL bit is set in nth field of rec. -@return nonzero if SQL NULL */ -UNIV_INLINE -ulint -rec_offs_nth_sql_null( -/*==================*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n) /*!< in: nth field */ -{ - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - ut_ad(n < rec_offs_n_fields(offsets)); - return(UNIV_UNLIKELY(rec_offs_base(offsets)[1 + n] - & REC_OFFS_SQL_NULL)); -} - -/******************************************************//** -Gets the physical size of a field. -@return length of field */ -UNIV_INLINE -ulint -rec_offs_nth_size( -/*==============*/ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n) /*!< in: nth field */ -{ - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - ut_ad(n < rec_offs_n_fields(offsets)); - if (!n) { - return(rec_offs_base(offsets)[1 + n] & REC_OFFS_MASK); - } - return((rec_offs_base(offsets)[1 + n] - rec_offs_base(offsets)[n]) - & REC_OFFS_MASK); -} - -/******************************************************//** -Returns the number of extern bits set in a record. -@return number of externally stored fields */ -UNIV_INLINE -ulint -rec_offs_n_extern( -/*==============*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint n = 0; - - if (rec_offs_any_extern(offsets)) { - ulint i; - - for (i = rec_offs_n_fields(offsets); i--; ) { - if (rec_offs_nth_extern(offsets, i)) { - n++; - } - } - } - - return(n); -} - -/******************************************************//** -Returns the offset of n - 1th field end if the record is stored in the 1-byte -offsets form. If the field is SQL null, the flag is ORed in the returned -value. This function and the 2-byte counterpart are defined here because the -C-compiler was not able to sum negative and positive constant offsets, and -warned of constant arithmetic overflow within the compiler. -@return offset of the start of the PREVIOUS field, SQL null flag ORed */ -UNIV_INLINE -ulint -rec_1_get_prev_field_end_info( -/*==========================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(rec_get_1byte_offs_flag(rec)); - ut_ad(n <= rec_get_n_fields_old(rec)); - - return(mach_read_from_1(rec - (REC_N_OLD_EXTRA_BYTES + n))); -} - -/******************************************************//** -Returns the offset of n - 1th field end if the record is stored in the 2-byte -offsets form. If the field is SQL null, the flag is ORed in the returned -value. -@return offset of the start of the PREVIOUS field, SQL null flag ORed */ -UNIV_INLINE -ulint -rec_2_get_prev_field_end_info( -/*==========================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(!rec_get_1byte_offs_flag(rec)); - ut_ad(n <= rec_get_n_fields_old(rec)); - - return(mach_read_from_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n))); -} - -/******************************************************//** -Sets the field end info for the nth field if the record is stored in the -1-byte format. */ -UNIV_INLINE -void -rec_1_set_field_end_info( -/*=====================*/ - rec_t* rec, /*!< in: record */ - ulint n, /*!< in: field index */ - ulint info) /*!< in: value to set */ -{ - ut_ad(rec_get_1byte_offs_flag(rec)); - ut_ad(n < rec_get_n_fields_old(rec)); - - mach_write_to_1(rec - (REC_N_OLD_EXTRA_BYTES + n + 1), info); -} - -/******************************************************//** -Sets the field end info for the nth field if the record is stored in the -2-byte format. */ -UNIV_INLINE -void -rec_2_set_field_end_info( -/*=====================*/ - rec_t* rec, /*!< in: record */ - ulint n, /*!< in: field index */ - ulint info) /*!< in: value to set */ -{ - ut_ad(!rec_get_1byte_offs_flag(rec)); - ut_ad(n < rec_get_n_fields_old(rec)); - - mach_write_to_2(rec - (REC_N_OLD_EXTRA_BYTES + 2 * n + 2), info); -} - -/******************************************************//** -Returns the offset of nth field start if the record is stored in the 1-byte -offsets form. -@return offset of the start of the field */ -UNIV_INLINE -ulint -rec_1_get_field_start_offs( -/*=======================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(rec_get_1byte_offs_flag(rec)); - ut_ad(n <= rec_get_n_fields_old(rec)); - - if (n == 0) { - - return(0); - } - - return(rec_1_get_prev_field_end_info(rec, n) - & ~REC_1BYTE_SQL_NULL_MASK); -} - -/******************************************************//** -Returns the offset of nth field start if the record is stored in the 2-byte -offsets form. -@return offset of the start of the field */ -UNIV_INLINE -ulint -rec_2_get_field_start_offs( -/*=======================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(!rec_get_1byte_offs_flag(rec)); - ut_ad(n <= rec_get_n_fields_old(rec)); - - if (n == 0) { - - return(0); - } - - return(rec_2_get_prev_field_end_info(rec, n) - & ~(REC_2BYTE_SQL_NULL_MASK | REC_2BYTE_EXTERN_MASK)); -} - -/******************************************************//** -The following function is used to read the offset of the start of a data field -in the record. The start of an SQL null field is the end offset of the -previous non-null field, or 0, if none exists. If n is the number of the last -field + 1, then the end offset of the last field is returned. -@return offset of the start of the field */ -UNIV_INLINE -ulint -rec_get_field_start_offs( -/*=====================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: field index */ -{ - ut_ad(rec); - ut_ad(n <= rec_get_n_fields_old(rec)); - - if (n == 0) { - - return(0); - } - - if (rec_get_1byte_offs_flag(rec)) { - - return(rec_1_get_field_start_offs(rec, n)); - } - - return(rec_2_get_field_start_offs(rec, n)); -} - -/************************************************************//** -Gets the physical size of an old-style field. -Also an SQL null may have a field of size > 0, -if the data type is of a fixed size. -@return field size in bytes */ -UNIV_INLINE -ulint -rec_get_nth_field_size( -/*===================*/ - const rec_t* rec, /*!< in: record */ - ulint n) /*!< in: index of the field */ -{ - ulint os; - ulint next_os; - - os = rec_get_field_start_offs(rec, n); - next_os = rec_get_field_start_offs(rec, n + 1); - - ut_ad(next_os - os < UNIV_PAGE_SIZE); - - return(next_os - os); -} - -/***********************************************************//** -This is used to modify the value of an already existing field in a record. -The previous value must have exactly the same size as the new value. If len -is UNIV_SQL_NULL then the field is treated as an SQL null. -For records in ROW_FORMAT=COMPACT (new-style records), len must not be -UNIV_SQL_NULL unless the field already is SQL null. */ -UNIV_INLINE -void -rec_set_nth_field( -/*==============*/ - rec_t* rec, /*!< in: record */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n, /*!< in: index number of the field */ - const void* data, /*!< in: pointer to the data - if not SQL null */ - ulint len) /*!< in: length of the data or UNIV_SQL_NULL */ -{ - byte* data2; - ulint len2; - - ut_ad(rec); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - if (UNIV_UNLIKELY(len == UNIV_SQL_NULL)) { - if (!rec_offs_nth_sql_null(offsets, n)) { - ut_a(!rec_offs_comp(offsets)); - rec_set_nth_field_sql_null(rec, n); - } - - return; - } - - data2 = rec_get_nth_field(rec, offsets, n, &len2); - if (len2 == UNIV_SQL_NULL) { - ut_ad(!rec_offs_comp(offsets)); - rec_set_nth_field_null_bit(rec, n, FALSE); - ut_ad(len == rec_get_nth_field_size(rec, n)); - } else { - ut_ad(len2 == len); - } - - ut_memcpy(data2, data, len); -} - -/**********************************************************//** -The following function returns the data size of an old-style physical -record, that is the sum of field lengths. SQL null fields -are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. -@return size */ -UNIV_INLINE -ulint -rec_get_data_size_old( -/*==================*/ - const rec_t* rec) /*!< in: physical record */ -{ - ut_ad(rec); - - return(rec_get_field_start_offs(rec, rec_get_n_fields_old(rec))); -} - -/**********************************************************//** -The following function sets the number of fields in offsets. */ -UNIV_INLINE -void -rec_offs_set_n_fields( -/*==================*/ - ulint* offsets, /*!< in/out: array returned by - rec_get_offsets() */ - ulint n_fields) /*!< in: number of fields */ -{ - ut_ad(offsets); - ut_ad(n_fields > 0); - ut_ad(n_fields <= REC_MAX_N_FIELDS); - ut_ad(n_fields + REC_OFFS_HEADER_SIZE - <= rec_offs_get_n_alloc(offsets)); - offsets[1] = n_fields; -} - -/**********************************************************//** -The following function returns the data size of a physical -record, that is the sum of field lengths. SQL null fields -are counted as length 0 fields. The value returned by the function -is the distance from record origin to record end in bytes. -@return size */ -UNIV_INLINE -ulint -rec_offs_data_size( -/*===============*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint size; - - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - size = rec_offs_base(offsets)[rec_offs_n_fields(offsets)] - & REC_OFFS_MASK; - ut_ad(size < UNIV_PAGE_SIZE); - return(size); -} - -/**********************************************************//** -Returns the total size of record minus data size of record. The value -returned by the function is the distance from record start to record origin -in bytes. -@return size */ -UNIV_INLINE -ulint -rec_offs_extra_size( -/*================*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint size; - ut_ad(rec_offs_validate(NULL, NULL, offsets)); - size = *rec_offs_base(offsets) & ~(REC_OFFS_COMPACT | REC_OFFS_EXTERNAL); - ut_ad(size < UNIV_PAGE_SIZE); - return(size); -} - -/**********************************************************//** -Returns the total size of a physical record. -@return size */ -UNIV_INLINE -ulint -rec_offs_size( -/*==========*/ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - return(rec_offs_data_size(offsets) + rec_offs_extra_size(offsets)); -} - -/**********************************************************//** -Returns a pointer to the end of the record. -@return pointer to end */ -UNIV_INLINE -byte* -rec_get_end( -/*========*/ - rec_t* rec, /*!< in: pointer to record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ut_ad(rec_offs_validate(rec, NULL, offsets)); - return(rec + rec_offs_data_size(offsets)); -} - -/**********************************************************//** -Returns a pointer to the start of the record. -@return pointer to start */ -UNIV_INLINE -byte* -rec_get_start( -/*==========*/ - rec_t* rec, /*!< in: pointer to record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ut_ad(rec_offs_validate(rec, NULL, offsets)); - return(rec - rec_offs_extra_size(offsets)); -} - -/***************************************************************//** -Copies a physical record to a buffer. -@return pointer to the origin of the copy */ -UNIV_INLINE -rec_t* -rec_copy( -/*=====*/ - void* buf, /*!< in: buffer */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint extra_len; - ulint data_len; - - ut_ad(rec && buf); - ut_ad(rec_offs_validate((rec_t*) rec, NULL, offsets)); - ut_ad(rec_validate(rec, offsets)); - - extra_len = rec_offs_extra_size(offsets); - data_len = rec_offs_data_size(offsets); - - ut_memcpy(buf, rec - extra_len, extra_len + data_len); - - return((byte*)buf + extra_len); -} - -/**********************************************************//** -Returns the extra size of an old-style physical record if we know its -data size and number of fields. -@return extra size */ -UNIV_INLINE -ulint -rec_get_converted_extra_size( -/*=========================*/ - ulint data_size, /*!< in: data size */ - ulint n_fields, /*!< in: number of fields */ - ulint n_ext) /*!< in: number of externally stored columns */ -{ - if (!n_ext && data_size <= REC_1BYTE_OFFS_LIMIT) { - - return(REC_N_OLD_EXTRA_BYTES + n_fields); - } - - return(REC_N_OLD_EXTRA_BYTES + 2 * n_fields); -} - -/**********************************************************//** -The following function returns the size of a data tuple when converted to -a physical record. -@return size */ -UNIV_INLINE -ulint -rec_get_converted_size( -/*===================*/ - dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* dtuple, /*!< in: data tuple */ - ulint n_ext) /*!< in: number of externally stored columns */ -{ - ulint data_size; - ulint extra_size; - - ut_ad(index); - ut_ad(dtuple); - ut_ad(dtuple_check_typed(dtuple)); - - ut_ad(index->type & DICT_UNIVERSAL - || dtuple_get_n_fields(dtuple) - == (((dtuple_get_info_bits(dtuple) & REC_NEW_STATUS_MASK) - == REC_STATUS_NODE_PTR) - ? dict_index_get_n_unique_in_tree(index) + 1 - : dict_index_get_n_fields(index))); - - if (dict_table_is_comp(index->table)) { - return(rec_get_converted_size_comp(index, - dtuple_get_info_bits(dtuple) - & REC_NEW_STATUS_MASK, - dtuple->fields, - dtuple->n_fields, NULL)); - } - - data_size = dtuple_get_data_size(dtuple, 0); - - extra_size = rec_get_converted_extra_size( - data_size, dtuple_get_n_fields(dtuple), n_ext); - - return(data_size + extra_size); -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Folds a prefix of a physical record to a ulint. Folds only existing fields, -that is, checks that we do not run out of the record. -@return the folded value */ -UNIV_INLINE -ulint -rec_fold( -/*=====*/ - const rec_t* rec, /*!< in: the physical record */ - const ulint* offsets, /*!< in: array returned by - rec_get_offsets() */ - ulint n_fields, /*!< in: number of complete - fields to fold */ - ulint n_bytes, /*!< in: number of bytes to fold - in an incomplete last field */ - dulint tree_id) /*!< in: index tree id */ -{ - ulint i; - const byte* data; - ulint len; - ulint fold; - ulint n_fields_rec; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(rec_validate(rec, offsets)); - ut_ad(n_fields + n_bytes > 0); - - n_fields_rec = rec_offs_n_fields(offsets); - ut_ad(n_fields <= n_fields_rec); - ut_ad(n_fields < n_fields_rec || n_bytes == 0); - - if (n_fields > n_fields_rec) { - n_fields = n_fields_rec; - } - - if (n_fields == n_fields_rec) { - n_bytes = 0; - } - - fold = ut_fold_dulint(tree_id); - - for (i = 0; i < n_fields; i++) { - data = rec_get_nth_field(rec, offsets, i, &len); - - if (len != UNIV_SQL_NULL) { - fold = ut_fold_ulint_pair(fold, - ut_fold_binary(data, len)); - } - } - - if (n_bytes > 0) { - data = rec_get_nth_field(rec, offsets, i, &len); - - if (len != UNIV_SQL_NULL) { - if (len > n_bytes) { - len = n_bytes; - } - - fold = ut_fold_ulint_pair(fold, - ut_fold_binary(data, len)); - } - } - - return(fold); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/rem0types.h b/perfschema/include/rem0types.h deleted file mode 100644 index 8b84d4af233..00000000000 --- a/perfschema/include/rem0types.h +++ /dev/null @@ -1,46 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file include/rem0types.h -Record manager global types - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#ifndef rem0types_h -#define rem0types_h - -/* We define the physical record simply as an array of bytes */ -typedef byte rec_t; - -/* Maximum values for various fields (for non-blob tuples) */ -#define REC_MAX_N_FIELDS (1024 - 1) -#define REC_MAX_HEAP_NO (2 * 8192 - 1) -#define REC_MAX_N_OWNED (16 - 1) - -/* REC_MAX_INDEX_COL_LEN is measured in bytes and is the maximum -indexed column length (or indexed prefix length). It is set to 3*256, -so that one can create a column prefix index on 256 characters of a -TEXT or VARCHAR column also in the UTF-8 charset. In that charset, -a character may take at most 3 bytes. -This constant MUST NOT BE CHANGED, or the compatibility of InnoDB data -files would be at risk! */ -#define REC_MAX_INDEX_COL_LEN 768 - -#endif diff --git a/perfschema/include/row0ext.h b/perfschema/include/row0ext.h deleted file mode 100644 index 43d82d644e6..00000000000 --- a/perfschema/include/row0ext.h +++ /dev/null @@ -1,95 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0ext.h -Caching of externally stored column prefixes - -Created September 2006 Marko Makela -*******************************************************/ - -#ifndef row0ext_h -#define row0ext_h - -#include "univ.i" -#include "row0types.h" -#include "data0types.h" -#include "mem0mem.h" - -/********************************************************************//** -Creates a cache of column prefixes of externally stored columns. -@return own: column prefix cache */ -UNIV_INTERN -row_ext_t* -row_ext_create( -/*===========*/ - ulint n_ext, /*!< in: number of externally stored columns */ - const ulint* ext, /*!< in: col_no's of externally stored columns - in the InnoDB table object, as reported by - dict_col_get_no(); NOT relative to the records - in the clustered index */ - const dtuple_t* tuple, /*!< in: data tuple containing the field - references of the externally stored - columns; must be indexed by col_no; - the clustered index record must be - covered by a lock or a page latch - to prevent deletion (rollback or purge). */ - ulint zip_size,/*!< compressed page size in bytes, or 0 */ - mem_heap_t* heap); /*!< in: heap where created */ - -/********************************************************************//** -Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, -or pointer to field_ref_zero if the BLOB pointer is unset */ -UNIV_INLINE -const byte* -row_ext_lookup_ith( -/*===============*/ - const row_ext_t* ext, /*!< in/out: column prefix cache */ - ulint i, /*!< in: index of ext->ext[] */ - ulint* len); /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ -/********************************************************************//** -Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, -or pointer to field_ref_zero if the BLOB pointer is unset */ -UNIV_INLINE -const byte* -row_ext_lookup( -/*===========*/ - const row_ext_t* ext, /*!< in: column prefix cache */ - ulint col, /*!< in: column number in the InnoDB - table object, as reported by - dict_col_get_no(); NOT relative to the - records in the clustered index */ - ulint* len); /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ - -/** Prefixes of externally stored columns */ -struct row_ext_struct{ - ulint n_ext; /*!< number of externally stored columns */ - const ulint* ext; /*!< col_no's of externally stored columns */ - byte* buf; /*!< backing store of the column prefix cache */ - ulint len[1]; /*!< prefix lengths; 0 if not cached */ -}; - -#ifndef UNIV_NONINL -#include "row0ext.ic" -#endif - -#endif diff --git a/perfschema/include/row0ext.ic b/perfschema/include/row0ext.ic deleted file mode 100644 index 82771a9312a..00000000000 --- a/perfschema/include/row0ext.ic +++ /dev/null @@ -1,84 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0ext.ic -Caching of externally stored column prefixes - -Created September 2006 Marko Makela -*******************************************************/ - -#include "rem0types.h" -#include "btr0types.h" - -/********************************************************************//** -Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, -or pointer to field_ref_zero if the BLOB pointer is unset */ -UNIV_INLINE -const byte* -row_ext_lookup_ith( -/*===============*/ - const row_ext_t* ext, /*!< in/out: column prefix cache */ - ulint i, /*!< in: index of ext->ext[] */ - ulint* len) /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ -{ - ut_ad(ext); - ut_ad(len); - ut_ad(i < ext->n_ext); - - *len = ext->len[i]; - - if (UNIV_UNLIKELY(*len == 0)) { - /* The BLOB could not be fetched to the cache. */ - return(field_ref_zero); - } else { - return(ext->buf + i * REC_MAX_INDEX_COL_LEN); - } -} - -/********************************************************************//** -Looks up a column prefix of an externally stored column. -@return column prefix, or NULL if the column is not stored externally, -or pointer to field_ref_zero if the BLOB pointer is unset */ -UNIV_INLINE -const byte* -row_ext_lookup( -/*===========*/ - const row_ext_t* ext, /*!< in: column prefix cache */ - ulint col, /*!< in: column number in the InnoDB - table object, as reported by - dict_col_get_no(); NOT relative to the - records in the clustered index */ - ulint* len) /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ -{ - ulint i; - - ut_ad(ext); - ut_ad(len); - - for (i = 0; i < ext->n_ext; i++) { - if (col == ext->ext[i]) { - return(row_ext_lookup_ith(ext, i, len)); - } - } - - return(NULL); -} diff --git a/perfschema/include/row0ins.h b/perfschema/include/row0ins.h deleted file mode 100644 index 9f93565ddb7..00000000000 --- a/perfschema/include/row0ins.h +++ /dev/null @@ -1,156 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0ins.h -Insert into a table - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - -#ifndef row0ins_h -#define row0ins_h - -#include "univ.i" -#include "data0data.h" -#include "que0types.h" -#include "dict0types.h" -#include "trx0types.h" -#include "row0types.h" - -/***************************************************************//** -Checks if foreign key constraint fails for an index entry. Sets shared locks -which lock either the success or the failure of the constraint. NOTE that -the caller must have a shared latch on dict_foreign_key_check_lock. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_NO_REFERENCED_ROW, or -DB_ROW_IS_REFERENCED */ -UNIV_INTERN -ulint -row_ins_check_foreign_constraint( -/*=============================*/ - ibool check_ref,/*!< in: TRUE If we want to check that - the referenced table is ok, FALSE if we - want to check the foreign key table */ - dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the - tables mentioned in it must be in the - dictionary cache if they exist at all */ - dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign - table, else the referenced table */ - dtuple_t* entry, /*!< in: index entry for index */ - que_thr_t* thr); /*!< in: query thread */ -/*********************************************************************//** -Creates an insert node struct. -@return own: insert node struct */ -UNIV_INTERN -ins_node_t* -ins_node_create( -/*============*/ - ulint ins_type, /*!< in: INS_VALUES, ... */ - dict_table_t* table, /*!< in: table where to insert */ - mem_heap_t* heap); /*!< in: mem heap where created */ -/*********************************************************************//** -Sets a new row to insert for an INS_DIRECT node. This function is only used -if we have constructed the row separately, which is a rare case; this -function is quite slow. */ -UNIV_INTERN -void -ins_node_set_new_row( -/*=================*/ - ins_node_t* node, /*!< in: insert node */ - dtuple_t* row); /*!< in: new row (or first row) for the node */ -/***************************************************************//** -Inserts an index entry to index. Tries first optimistic, then pessimistic -descent down the tree. If the entry matches enough to a delete marked record, -performs the insert by updating or delete unmarking the delete marked -record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ -UNIV_INTERN -ulint -row_ins_index_entry( -/*================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - ibool foreign,/*!< in: TRUE=check foreign key constraints */ - que_thr_t* thr); /*!< in: query thread */ -/***********************************************************//** -Inserts a row to a table. This is a high-level function used in -SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_ins_step( -/*=========*/ - que_thr_t* thr); /*!< in: query thread */ -/***********************************************************//** -Creates an entry template for each index of a table. */ -UNIV_INTERN -void -ins_node_create_entry_list( -/*=======================*/ - ins_node_t* node); /*!< in: row insert node */ - -/* Insert node structure */ - -struct ins_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_INSERT */ - ulint ins_type;/* INS_VALUES, INS_SEARCHED, or INS_DIRECT */ - dtuple_t* row; /*!< row to insert */ - dict_table_t* table; /*!< table where to insert */ - sel_node_t* select; /*!< select in searched insert */ - que_node_t* values_list;/* list of expressions to evaluate and - insert in an INS_VALUES insert */ - ulint state; /*!< node execution state */ - dict_index_t* index; /*!< NULL, or the next index where the index - entry should be inserted */ - dtuple_t* entry; /*!< NULL, or entry to insert in the index; - after a successful insert of the entry, - this should be reset to NULL */ - UT_LIST_BASE_NODE_T(dtuple_t) - entry_list;/* list of entries, one for each index */ - byte* row_id_buf;/* buffer for the row id sys field in row */ - trx_id_t trx_id; /*!< trx id or the last trx which executed the - node */ - byte* trx_id_buf;/* buffer for the trx id sys field in row */ - mem_heap_t* entry_sys_heap; - /* memory heap used as auxiliary storage; - entry_list and sys fields are stored here; - if this is NULL, entry list should be created - and buffers for sys fields in row allocated */ - ulint magic_n; -}; - -#define INS_NODE_MAGIC_N 15849075 - -/* Insert node types */ -#define INS_SEARCHED 0 /* INSERT INTO ... SELECT ... */ -#define INS_VALUES 1 /* INSERT INTO ... VALUES ... */ -#define INS_DIRECT 2 /* this is for internal use in dict0crea: - insert the row directly */ - -/* Node execution states */ -#define INS_NODE_SET_IX_LOCK 1 /* we should set an IX lock on table */ -#define INS_NODE_ALLOC_ROW_ID 2 /* row id should be allocated */ -#define INS_NODE_INSERT_ENTRIES 3 /* index entries should be built and - inserted */ - -#ifndef UNIV_NONINL -#include "row0ins.ic" -#endif - -#endif diff --git a/perfschema/include/row0ins.ic b/perfschema/include/row0ins.ic deleted file mode 100644 index 84f6da255bf..00000000000 --- a/perfschema/include/row0ins.ic +++ /dev/null @@ -1,26 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0ins.ic -Insert into a table - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - - diff --git a/perfschema/include/row0merge.h b/perfschema/include/row0merge.h deleted file mode 100644 index fbeb125ce7b..00000000000 --- a/perfschema/include/row0merge.h +++ /dev/null @@ -1,197 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0merge.h -Index build routines using a merge sort - -Created 13/06/2005 Jan Lindstrom -*******************************************************/ - -#ifndef row0merge_h -#define row0merge_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "mtr0mtr.h" -#include "rem0types.h" -#include "rem0rec.h" -#include "read0types.h" -#include "btr0types.h" -#include "row0mysql.h" -#include "lock0types.h" - -/** Index field definition */ -struct merge_index_field_struct { - ulint prefix_len; /*!< column prefix length, or 0 - if indexing the whole column */ - const char* field_name; /*!< field name */ -}; - -/** Index field definition */ -typedef struct merge_index_field_struct merge_index_field_t; - -/** Definition of an index being created */ -struct merge_index_def_struct { - const char* name; /*!< index name */ - ulint ind_type; /*!< 0, DICT_UNIQUE, - or DICT_CLUSTERED */ - ulint n_fields; /*!< number of fields - in index */ - merge_index_field_t* fields; /*!< field definitions */ -}; - -/** Definition of an index being created */ -typedef struct merge_index_def_struct merge_index_def_t; - -/*********************************************************************//** -Sets an exclusive lock on a table, for the duration of creating indexes. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_merge_lock_table( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - dict_table_t* table, /*!< in: table to lock */ - enum lock_mode mode); /*!< in: LOCK_X or LOCK_S */ -/*********************************************************************//** -Drop an index from the InnoDB system tables. The data dictionary must -have been locked exclusively by the caller, because the transaction -will not be committed. */ -UNIV_INTERN -void -row_merge_drop_index( -/*=================*/ - dict_index_t* index, /*!< in: index to be removed */ - dict_table_t* table, /*!< in: table */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Drop those indexes which were created before an error occurred when -building an index. The data dictionary must have been locked -exclusively by the caller, because the transaction will not be -committed. */ -UNIV_INTERN -void -row_merge_drop_indexes( -/*===================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table, /*!< in: table containing the indexes */ - dict_index_t** index, /*!< in: indexes to drop */ - ulint num_created); /*!< in: number of elements in index[] */ -/*********************************************************************//** -Drop all partially created indexes during crash recovery. */ -UNIV_INTERN -void -row_merge_drop_temp_indexes(void); -/*=============================*/ -/*********************************************************************//** -Rename the tables in the data dictionary. The data dictionary must -have been locked exclusively by the caller, because the transaction -will not be committed. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_merge_rename_tables( -/*====================*/ - dict_table_t* old_table, /*!< in/out: old table, renamed to - tmp_name */ - dict_table_t* new_table, /*!< in/out: new table, renamed to - old_table->name */ - const char* tmp_name, /*!< in: new name for old_table */ - trx_t* trx); /*!< in: transaction handle */ - -/*********************************************************************//** -Create a temporary table for creating a primary key, using the definition -of an existing table. -@return table, or NULL on error */ -UNIV_INTERN -dict_table_t* -row_merge_create_temporary_table( -/*=============================*/ - const char* table_name, /*!< in: new table name */ - const merge_index_def_t*index_def, /*!< in: the index definition - of the primary key */ - const dict_table_t* table, /*!< in: old table definition */ - trx_t* trx); /*!< in/out: transaction - (sets error_state) */ -/*********************************************************************//** -Rename the temporary indexes in the dictionary to permanent ones. The -data dictionary must have been locked exclusively by the caller, -because the transaction will not be committed. -@return DB_SUCCESS if all OK */ -UNIV_INTERN -ulint -row_merge_rename_indexes( -/*=====================*/ - trx_t* trx, /*!< in/out: transaction */ - dict_table_t* table); /*!< in/out: table with new indexes */ -/*********************************************************************//** -Create the index and load in to the dictionary. -@return index, or NULL on error */ -UNIV_INTERN -dict_index_t* -row_merge_create_index( -/*===================*/ - trx_t* trx, /*!< in/out: trx (sets error_state) */ - dict_table_t* table, /*!< in: the index is on this table */ - const merge_index_def_t*index_def); - /*!< in: the index definition */ -/*********************************************************************//** -Check if a transaction can use an index. -@return TRUE if index can be used by the transaction else FALSE */ -UNIV_INTERN -ibool -row_merge_is_index_usable( -/*======================*/ - const trx_t* trx, /*!< in: transaction */ - const dict_index_t* index); /*!< in: index to check */ -/*********************************************************************//** -If there are views that refer to the old table name then we "attach" to -the new instance of the table else we drop it immediately. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_merge_drop_table( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table); /*!< in: table instance to drop */ - -/*********************************************************************//** -Build indexes on a table by reading a clustered index, -creating a temporary file containing index entries, merge sorting -these index entries and inserting sorted index entries to indexes. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_merge_build_indexes( -/*====================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* old_table, /*!< in: table where rows are - read from */ - dict_table_t* new_table, /*!< in: table where indexes are - created; identical to old_table - unless creating a PRIMARY KEY */ - dict_index_t** indexes, /*!< in: indexes to be created */ - ulint n_indexes, /*!< in: size of indexes[] */ - struct TABLE* table); /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -#endif /* row0merge.h */ diff --git a/perfschema/include/row0mysql.h b/perfschema/include/row0mysql.h deleted file mode 100644 index d2a8734c61f..00000000000 --- a/perfschema/include/row0mysql.h +++ /dev/null @@ -1,795 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0mysql.h -Interface between Innobase row operations and MySQL. -Contains also create table and other data dictionary operations. - -Created 9/17/2000 Heikki Tuuri -*******************************************************/ - -#ifndef row0mysql_h -#define row0mysql_h - -#include "univ.i" -#include "data0data.h" -#include "que0types.h" -#include "dict0types.h" -#include "trx0types.h" -#include "row0types.h" -#include "btr0pcur.h" -#include "trx0types.h" - -extern ibool row_rollback_on_timeout; - -typedef struct row_prebuilt_struct row_prebuilt_t; - -/*******************************************************************//** -Frees the blob heap in prebuilt when no longer needed. */ -UNIV_INTERN -void -row_mysql_prebuilt_free_blob_heap( -/*==============================*/ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct of a - ha_innobase:: table handle */ -/*******************************************************************//** -Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row -format. -@return pointer to the data, we skip the 1 or 2 bytes at the start -that are used to store the len */ -UNIV_INTERN -byte* -row_mysql_store_true_var_len( -/*=========================*/ - byte* dest, /*!< in: where to store */ - ulint len, /*!< in: length, must fit in two bytes */ - ulint lenlen);/*!< in: storage length of len: either 1 or 2 bytes */ -/*******************************************************************//** -Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and -returns a pointer to the data. -@return pointer to the data, we skip the 1 or 2 bytes at the start -that are used to store the len */ -UNIV_INTERN -const byte* -row_mysql_read_true_varchar( -/*========================*/ - ulint* len, /*!< out: variable-length field length */ - const byte* field, /*!< in: field in the MySQL format */ - ulint lenlen);/*!< in: storage length of len: either 1 - or 2 bytes */ -/*******************************************************************//** -Stores a reference to a BLOB in the MySQL format. */ -UNIV_INTERN -void -row_mysql_store_blob_ref( -/*=====================*/ - byte* dest, /*!< in: where to store */ - ulint col_len,/*!< in: dest buffer size: determines into - how many bytes the BLOB length is stored, - the space for the length may vary from 1 - to 4 bytes */ - const void* data, /*!< in: BLOB data; if the value to store - is SQL NULL this should be NULL pointer */ - ulint len); /*!< in: BLOB length; if the value to store - is SQL NULL this should be 0; remember - also to set the NULL bit in the MySQL record - header! */ -/*******************************************************************//** -Reads a reference to a BLOB in the MySQL format. -@return pointer to BLOB data */ -UNIV_INTERN -const byte* -row_mysql_read_blob_ref( -/*====================*/ - ulint* len, /*!< out: BLOB length */ - const byte* ref, /*!< in: BLOB reference in the - MySQL format */ - ulint col_len); /*!< in: BLOB reference length - (not BLOB length) */ -/**************************************************************//** -Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. -The counterpart of this function is row_sel_field_store_in_mysql_format() in -row0sel.c. -@return up to which byte we used buf in the conversion */ -UNIV_INTERN -byte* -row_mysql_store_col_in_innobase_format( -/*===================================*/ - dfield_t* dfield, /*!< in/out: dfield where dtype - information must be already set when - this function is called! */ - byte* buf, /*!< in/out: buffer for a converted - integer value; this must be at least - col_len long then! */ - ibool row_format_col, /*!< TRUE if the mysql_data is from - a MySQL row, FALSE if from a MySQL - key value; - in MySQL, a true VARCHAR storage - format differs in a row and in a - key value: in a key value the length - is always stored in 2 bytes! */ - const byte* mysql_data, /*!< in: MySQL column value, not - SQL NULL; NOTE that dfield may also - get a pointer to mysql_data, - therefore do not discard this as long - as dfield is used! */ - ulint col_len, /*!< in: MySQL column length; NOTE that - this is the storage length of the - column in the MySQL format row, not - necessarily the length of the actual - payload data; if the column is a true - VARCHAR then this is irrelevant */ - ulint comp); /*!< in: nonzero=compact format */ -/****************************************************************//** -Handles user errors and lock waits detected by the database engine. -@return TRUE if it was a lock wait and we should continue running the -query thread */ -UNIV_INTERN -ibool -row_mysql_handle_errors( -/*====================*/ - ulint* new_err,/*!< out: possible new error encountered in - rollback, or the old error which was - during the function entry */ - trx_t* trx, /*!< in: transaction */ - que_thr_t* thr, /*!< in: query thread */ - trx_savept_t* savept);/*!< in: savepoint */ -/********************************************************************//** -Create a prebuilt struct for a MySQL table handle. -@return own: a prebuilt struct */ -UNIV_INTERN -row_prebuilt_t* -row_create_prebuilt( -/*================*/ - dict_table_t* table); /*!< in: Innobase table handle */ -/********************************************************************//** -Free a prebuilt struct for a MySQL table handle. */ -UNIV_INTERN -void -row_prebuilt_free( -/*==============*/ - row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ - ibool dict_locked); /*!< in: TRUE=data dictionary locked */ -/*********************************************************************//** -Updates the transaction pointers in query graphs stored in the prebuilt -struct. */ -UNIV_INTERN -void -row_update_prebuilt_trx( -/*====================*/ - row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct - in MySQL handle */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Unlocks AUTO_INC type locks that were possibly reserved by a trx. This -function should be called at the the end of an SQL statement, by the -connection thread that owns the transaction (trx->mysql_thd). */ -UNIV_INTERN -void -row_unlock_table_autoinc_for_mysql( -/*===============================*/ - trx_t* trx); /*!< in/out: transaction */ -/*********************************************************************//** -Sets an AUTO_INC type lock on the table mentioned in prebuilt. The -AUTO_INC lock gives exclusive access to the auto-inc counter of the -table. The lock is reserved only for the duration of an SQL statement. -It is not compatible with another AUTO_INC or exclusive lock on the -table. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_lock_table_autoinc_for_mysql( -/*=============================*/ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in the MySQL - table handle */ -/*********************************************************************//** -Sets a table lock on the table mentioned in prebuilt. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_lock_table_for_mysql( -/*=====================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL - table handle */ - dict_table_t* table, /*!< in: table to lock, or NULL - if prebuilt->table should be - locked as - prebuilt->select_lock_type */ - ulint mode); /*!< in: lock mode of table - (ignored if table==NULL) */ - -/*********************************************************************//** -Does an insert for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_insert_for_mysql( -/*=================*/ - byte* mysql_rec, /*!< in: row in the MySQL format */ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL - handle */ -/*********************************************************************//** -Builds a dummy query graph used in selects. */ -UNIV_INTERN -void -row_prebuild_sel_graph( -/*===================*/ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL - handle */ -/*********************************************************************//** -Gets pointer to a prebuilt update vector used in updates. If the update -graph has not yet been built in the prebuilt struct, then this function -first builds it. -@return prebuilt update vector */ -UNIV_INTERN -upd_t* -row_get_prebuilt_update_vector( -/*===========================*/ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL - handle */ -/*********************************************************************//** -Checks if a table is such that we automatically created a clustered -index on it (on row id). -@return TRUE if the clustered index was generated automatically */ -UNIV_INTERN -ibool -row_table_got_default_clust_index( -/*==============================*/ - const dict_table_t* table); /*!< in: table */ -/*********************************************************************//** -Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table -@return the key number used inside MySQL */ -UNIV_INTERN -ulint -row_get_mysql_key_number_for_index( -/*===============================*/ - const dict_index_t* index); /*!< in: index */ -/*********************************************************************//** -Does an update or delete of a row for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_update_for_mysql( -/*=================*/ - byte* mysql_rec, /*!< in: the row to be updated, in - the MySQL format */ - row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL - handle */ -/*********************************************************************//** -This can only be used when srv_locks_unsafe_for_binlog is TRUE or -session is using a READ COMMITTED isolation level. Before -calling this function we must use trx_reset_new_rec_lock_info() and -trx_register_new_rec_lock() to store the information which new record locks -really were set. This function removes a newly set lock under prebuilt->pcur, -and also under prebuilt->clust_pcur. Currently, this is only used and tested -in the case of an UPDATE or a DELETE statement, where the row lock is of the -LOCK_X type. -Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_unlock_for_mysql( -/*=================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL - handle */ - ibool has_latches_on_recs);/*!< TRUE if called so that we have - the latches on the records under pcur - and clust_pcur, and we do not need to - reposition the cursors. */ -/*********************************************************************//** -Creates an query graph node of 'update' type to be used in the MySQL -interface. -@return own: update node */ -UNIV_INTERN -upd_node_t* -row_create_update_node_for_mysql( -/*=============================*/ - dict_table_t* table, /*!< in: table to update */ - mem_heap_t* heap); /*!< in: mem heap from which allocated */ -/**********************************************************************//** -Does a cascaded delete or set null in a foreign key operation. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_update_cascade_for_mysql( -/*=========================*/ - que_thr_t* thr, /*!< in: query thread */ - upd_node_t* node, /*!< in: update node used in the cascade - or set null operation */ - dict_table_t* table); /*!< in: table where we do the operation */ -/*********************************************************************//** -Locks the data dictionary exclusively for performing a table create or other -data dictionary modification operation. */ -UNIV_INTERN -void -row_mysql_lock_data_dictionary_func( -/*================================*/ - trx_t* trx, /*!< in/out: transaction */ - const char* file, /*!< in: file name */ - ulint line); /*!< in: line number */ -#define row_mysql_lock_data_dictionary(trx) \ - row_mysql_lock_data_dictionary_func(trx, __FILE__, __LINE__) -/*********************************************************************//** -Unlocks the data dictionary exclusive lock. */ -UNIV_INTERN -void -row_mysql_unlock_data_dictionary( -/*=============================*/ - trx_t* trx); /*!< in/out: transaction */ -/*********************************************************************//** -Locks the data dictionary in shared mode from modifications, for performing -foreign key check, rollback, or other operation invisible to MySQL. */ -UNIV_INTERN -void -row_mysql_freeze_data_dictionary_func( -/*==================================*/ - trx_t* trx, /*!< in/out: transaction */ - const char* file, /*!< in: file name */ - ulint line); /*!< in: line number */ -#define row_mysql_freeze_data_dictionary(trx) \ - row_mysql_freeze_data_dictionary_func(trx, __FILE__, __LINE__) -/*********************************************************************//** -Unlocks the data dictionary shared lock. */ -UNIV_INTERN -void -row_mysql_unfreeze_data_dictionary( -/*===============================*/ - trx_t* trx); /*!< in/out: transaction */ -/*********************************************************************//** -Creates a table for MySQL. If the name of the table ends in -one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also start the printing of monitor -output by the master thread. If the table name ends in "innodb_mem_validate", -InnoDB will try to invoke mem_validate(). -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_create_table_for_mysql( -/*=======================*/ - dict_table_t* table, /*!< in, own: table definition - (will be freed) */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Does an index creation operation for MySQL. TODO: currently failure -to create an index results in dropping the whole table! This is no problem -currently as all indexes must be created at the same time as the table. -@return error number or DB_SUCCESS */ -UNIV_INTERN -int -row_create_index_for_mysql( -/*=======================*/ - dict_index_t* index, /*!< in, own: index definition - (will be freed) */ - trx_t* trx, /*!< in: transaction handle */ - const ulint* field_lengths); /*!< in: if not NULL, must contain - dict_index_get_n_fields(index) - actual field lengths for the - index columns, which are - then checked for not being too - large. */ -/*********************************************************************//** -Scans a table create SQL string and adds to the data dictionary -the foreign key constraints declared in the string. This function -should be called after the indexes for a table have been created. -Each foreign key constraint must be accompanied with indexes in -bot participating tables. The indexes are allowed to contain more -fields than mentioned in the constraint. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_table_add_foreign_constraints( -/*==============================*/ - trx_t* trx, /*!< in: transaction */ - const char* sql_string, /*!< in: table create statement where - foreign keys are declared like: - FOREIGN KEY (a, b) REFERENCES table2(c, d), - table2 can be written also with the - database name before it: test.table2 */ - const char* name, /*!< in: table full name in the - normalized form - database_name/table_name */ - ibool reject_fks); /*!< in: if TRUE, fail with error - code DB_CANNOT_ADD_CONSTRAINT if - any foreign keys are found. */ - -/*********************************************************************//** -The master thread in srv0srv.c calls this regularly to drop tables which -we must drop in background after queries to them have ended. Such lazy -dropping of tables is needed in ALTER TABLE on Unix. -@return how many tables dropped + remaining tables in list */ -UNIV_INTERN -ulint -row_drop_tables_for_mysql_in_background(void); -/*=========================================*/ -/*********************************************************************//** -Get the background drop list length. NOTE: the caller must own the kernel -mutex! -@return how many tables in list */ -UNIV_INTERN -ulint -row_get_background_drop_list_len_low(void); -/*======================================*/ -/*********************************************************************//** -Truncates a table for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_truncate_table_for_mysql( -/*=========================*/ - dict_table_t* table, /*!< in: table handle */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Drops a table for MySQL. If the name of the dropped table ends in -one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also stop the printing of monitor -output by the master thread. If the data dictionary was not already locked -by the transaction, the transaction will be committed. Otherwise, the -data dictionary will remain locked. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_drop_table_for_mysql( -/*=====================*/ - const char* name, /*!< in: table name */ - trx_t* trx, /*!< in: transaction handle */ - ibool drop_db);/*!< in: TRUE=dropping whole database */ -/*********************************************************************//** -Drop all temporary tables during crash recovery. */ -UNIV_INTERN -void -row_mysql_drop_temp_tables(void); -/*============================*/ - -/*********************************************************************//** -Discards the tablespace of a table which stored in an .ibd file. Discarding -means that this function deletes the .ibd file and assigns a new table id for -the table. Also the flag table->ibd_file_missing is set TRUE. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_discard_tablespace_for_mysql( -/*=============================*/ - const char* name, /*!< in: table name */ - trx_t* trx); /*!< in: transaction handle */ -/*****************************************************************//** -Imports a tablespace. The space id in the .ibd file must match the space id -of the table in the data dictionary. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_import_tablespace_for_mysql( -/*============================*/ - const char* name, /*!< in: table name */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Drops a database for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_drop_database_for_mysql( -/*========================*/ - const char* name, /*!< in: database name which ends to '/' */ - trx_t* trx); /*!< in: transaction handle */ -/*********************************************************************//** -Renames a table for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_rename_table_for_mysql( -/*=======================*/ - const char* old_name, /*!< in: old table name */ - const char* new_name, /*!< in: new table name */ - trx_t* trx, /*!< in: transaction handle */ - ibool commit); /*!< in: if TRUE then commit trx */ -/*********************************************************************//** -Checks that the index contains entries in an ascending order, unique -constraint is not broken, and calculates the number of index entries -in the read view of the current transaction. -@return DB_SUCCESS if ok */ -UNIV_INTERN -ulint -row_check_index_for_mysql( -/*======================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct - in MySQL handle */ - const dict_index_t* index, /*!< in: index */ - ulint* n_rows); /*!< out: number of entries - seen in the consistent read */ - -/*********************************************************************//** -Determines if a table is a magic monitor table. -@return TRUE if monitor table */ -UNIV_INTERN -ibool -row_is_magic_monitor_table( -/*=======================*/ - const char* table_name); /*!< in: name of the table, in the - form database/table_name */ - -/* A struct describing a place for an individual column in the MySQL -row format which is presented to the table handler in ha_innobase. -This template struct is used to speed up row transformations between -Innobase and MySQL. */ - -typedef struct mysql_row_templ_struct mysql_row_templ_t; -struct mysql_row_templ_struct { - ulint col_no; /*!< column number of the column */ - ulint rec_field_no; /*!< field number of the column in an - Innobase record in the current index; - not defined if template_type is - ROW_MYSQL_WHOLE_ROW */ - ulint mysql_col_offset; /*!< offset of the column in the MySQL - row format */ - ulint mysql_col_len; /*!< length of the column in the MySQL - row format */ - ulint mysql_null_byte_offset; /*!< MySQL NULL bit byte offset in a - MySQL record */ - ulint mysql_null_bit_mask; /*!< bit mask to get the NULL bit, - zero if column cannot be NULL */ - ulint type; /*!< column type in Innobase mtype - numbers DATA_CHAR... */ - ulint mysql_type; /*!< MySQL type code; this is always - < 256 */ - ulint mysql_length_bytes; /*!< if mysql_type - == DATA_MYSQL_TRUE_VARCHAR, this tells - whether we should use 1 or 2 bytes to - store the MySQL true VARCHAR data - length at the start of row in the MySQL - format (NOTE that the MySQL key value - format always uses 2 bytes for the data - len) */ - ulint charset; /*!< MySQL charset-collation code - of the column, or zero */ - ulint mbminlen; /*!< minimum length of a char, in bytes, - or zero if not a char type */ - ulint mbmaxlen; /*!< maximum length of a char, in bytes, - or zero if not a char type */ - ulint is_unsigned; /*!< if a column type is an integer - type and this field is != 0, then - it is an unsigned integer type */ -}; - -#define MYSQL_FETCH_CACHE_SIZE 8 -/* After fetching this many rows, we start caching them in fetch_cache */ -#define MYSQL_FETCH_CACHE_THRESHOLD 4 - -#define ROW_PREBUILT_ALLOCATED 78540783 -#define ROW_PREBUILT_FREED 26423527 - -/** A struct for (sometimes lazily) prebuilt structures in an Innobase table -handle used within MySQL; these are used to save CPU time. */ - -struct row_prebuilt_struct { - ulint magic_n; /*!< this magic number is set to - ROW_PREBUILT_ALLOCATED when created, - or ROW_PREBUILT_FREED when the - struct has been freed */ - dict_table_t* table; /*!< Innobase table handle */ - dict_index_t* index; /*!< current index for a search, if - any */ - trx_t* trx; /*!< current transaction handle */ - unsigned sql_stat_start:1;/*!< TRUE when we start processing of - an SQL statement: we may have to set - an intention lock on the table, - create a consistent read view etc. */ - unsigned mysql_has_locked:1;/*!< this is set TRUE when MySQL - calls external_lock on this handle - with a lock flag, and set FALSE when - with the F_UNLOCK flag */ - unsigned clust_index_was_generated:1; - /*!< if the user did not define a - primary key in MySQL, then Innobase - automatically generated a clustered - index where the ordering column is - the row id: in this case this flag - is set to TRUE */ - unsigned index_usable:1; /*!< caches the value of - row_merge_is_index_usable(trx,index) */ - unsigned read_just_key:1;/*!< set to 1 when MySQL calls - ha_innobase::extra with the - argument HA_EXTRA_KEYREAD; it is enough - to read just columns defined in - the index (i.e., no read of the - clustered index record necessary) */ - unsigned used_in_HANDLER:1;/*!< TRUE if we have been using this - handle in a MySQL HANDLER low level - index cursor command: then we must - store the pcur position even in a - unique search from a clustered index, - because HANDLER allows NEXT and PREV - in such a situation */ - unsigned template_type:2;/*!< ROW_MYSQL_WHOLE_ROW, - ROW_MYSQL_REC_FIELDS, - ROW_MYSQL_DUMMY_TEMPLATE, or - ROW_MYSQL_NO_TEMPLATE */ - unsigned n_template:10; /*!< number of elements in the - template */ - unsigned null_bitmap_len:10;/*!< number of bytes in the SQL NULL - bitmap at the start of a row in the - MySQL format */ - unsigned need_to_access_clustered:1; /*!< if we are fetching - columns through a secondary index - and at least one column is not in - the secondary index, then this is - set to TRUE */ - unsigned templ_contains_blob:1;/*!< TRUE if the template contains - BLOB column(s) */ - mysql_row_templ_t* mysql_template;/*!< template used to transform - rows fast between MySQL and Innobase - formats; memory for this template - is not allocated from 'heap' */ - mem_heap_t* heap; /*!< memory heap from which - these auxiliary structures are - allocated when needed */ - ins_node_t* ins_node; /*!< Innobase SQL insert node - used to perform inserts - to the table */ - byte* ins_upd_rec_buff;/*!< buffer for storing data converted - to the Innobase format from the MySQL - format */ - const byte* default_rec; /*!< the default values of all columns - (a "default row") in MySQL format */ - ulint hint_need_to_fetch_extra_cols; - /*!< normally this is set to 0; if this - is set to ROW_RETRIEVE_PRIMARY_KEY, - then we should at least retrieve all - columns in the primary key; if this - is set to ROW_RETRIEVE_ALL_COLS, then - we must retrieve all columns in the - key (if read_just_key == 1), or all - columns in the table */ - upd_node_t* upd_node; /*!< Innobase SQL update node used - to perform updates and deletes */ - que_fork_t* ins_graph; /*!< Innobase SQL query graph used - in inserts */ - que_fork_t* upd_graph; /*!< Innobase SQL query graph used - in updates or deletes */ - btr_pcur_t* pcur; /*!< persistent cursor used in selects - and updates */ - btr_pcur_t* clust_pcur; /*!< persistent cursor used in - some selects and updates */ - que_fork_t* sel_graph; /*!< dummy query graph used in - selects */ - dtuple_t* search_tuple; /*!< prebuilt dtuple used in selects */ - byte row_id[DATA_ROW_ID_LEN]; - /*!< if the clustered index was - generated, the row id of the - last row fetched is stored - here */ - dtuple_t* clust_ref; /*!< prebuilt dtuple used in - sel/upd/del */ - ulint select_lock_type;/*!< LOCK_NONE, LOCK_S, or LOCK_X */ - ulint stored_select_lock_type;/*!< this field is used to - remember the original select_lock_type - that was decided in ha_innodb.cc, - ::store_lock(), ::external_lock(), - etc. */ - ulint row_read_type; /*!< ROW_READ_WITH_LOCKS if row locks - should be the obtained for records - under an UPDATE or DELETE cursor. - If innodb_locks_unsafe_for_binlog - is TRUE, this can be set to - ROW_READ_TRY_SEMI_CONSISTENT, so that - if the row under an UPDATE or DELETE - cursor was locked by another - transaction, InnoDB will resort - to reading the last committed value - ('semi-consistent read'). Then, - this field will be set to - ROW_READ_DID_SEMI_CONSISTENT to - indicate that. If the row does not - match the WHERE condition, MySQL will - invoke handler::unlock_row() to - clear the flag back to - ROW_READ_TRY_SEMI_CONSISTENT and - to simply skip the row. If - the row matches, the next call to - row_search_for_mysql() will lock - the row. - This eliminates lock waits in some - cases; note that this breaks - serializability. */ - ulint new_rec_locks; /*!< normally 0; if - srv_locks_unsafe_for_binlog is - TRUE or session is using READ - COMMITTED isolation level, in a - cursor search, if we set a new - record lock on an index, this is - incremented; this is used in - releasing the locks under the - cursors if we are performing an - UPDATE and we determine after - retrieving the row that it does - not need to be locked; thus, - these can be used to implement a - 'mini-rollback' that releases - the latest record locks */ - ulint mysql_prefix_len;/*!< byte offset of the end of - the last requested column */ - ulint mysql_row_len; /*!< length in bytes of a row in the - MySQL format */ - ulint n_rows_fetched; /*!< number of rows fetched after - positioning the current cursor */ - ulint fetch_direction;/*!< ROW_SEL_NEXT or ROW_SEL_PREV */ - byte* fetch_cache[MYSQL_FETCH_CACHE_SIZE]; - /*!< a cache for fetched rows if we - fetch many rows from the same cursor: - it saves CPU time to fetch them in a - batch; we reserve mysql_row_len - bytes for each such row; these - pointers point 4 bytes past the - allocated mem buf start, because - there is a 4 byte magic number at the - start and at the end */ - ibool keep_other_fields_on_keyread; /*!< when using fetch - cache with HA_EXTRA_KEYREAD, don't - overwrite other fields in mysql row - row buffer.*/ - ulint fetch_cache_first;/*!< position of the first not yet - fetched row in fetch_cache */ - ulint n_fetch_cached; /*!< number of not yet fetched rows - in fetch_cache */ - mem_heap_t* blob_heap; /*!< in SELECTS BLOB fields are copied - to this heap */ - mem_heap_t* old_vers_heap; /*!< memory heap where a previous - version is built in consistent read */ - /*----------------------*/ - ulonglong autoinc_last_value; - /*!< last value of AUTO-INC interval */ - ulonglong autoinc_increment;/*!< The increment step of the auto - increment column. Value must be - greater than or equal to 1. Required to - calculate the next value */ - ulonglong autoinc_offset; /*!< The offset passed to - get_auto_increment() by MySQL. Required - to calculate the next value */ - ulint autoinc_error; /*!< The actual error code encountered - while trying to init or read the - autoinc value from the table. We - store it here so that we can return - it to MySQL */ - /*----------------------*/ - ulint magic_n2; /*!< this should be the same as - magic_n */ -}; - -#define ROW_PREBUILT_FETCH_MAGIC_N 465765687 - -#define ROW_MYSQL_WHOLE_ROW 0 -#define ROW_MYSQL_REC_FIELDS 1 -#define ROW_MYSQL_NO_TEMPLATE 2 -#define ROW_MYSQL_DUMMY_TEMPLATE 3 /* dummy template used in - row_scan_and_check_index */ - -/* Values for hint_need_to_fetch_extra_cols */ -#define ROW_RETRIEVE_PRIMARY_KEY 1 -#define ROW_RETRIEVE_ALL_COLS 2 - -/* Values for row_read_type */ -#define ROW_READ_WITH_LOCKS 0 -#define ROW_READ_TRY_SEMI_CONSISTENT 1 -#define ROW_READ_DID_SEMI_CONSISTENT 2 - -#ifndef UNIV_NONINL -#include "row0mysql.ic" -#endif - -#endif diff --git a/perfschema/include/row0mysql.ic b/perfschema/include/row0mysql.ic deleted file mode 100644 index 35033aa2ad1..00000000000 --- a/perfschema/include/row0mysql.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2001, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0mysql.ic -MySQL interface for Innobase - -Created 1/23/2001 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/row0purge.h b/perfschema/include/row0purge.h deleted file mode 100644 index 485d51dbc83..00000000000 --- a/perfschema/include/row0purge.h +++ /dev/null @@ -1,118 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0purge.h -Purge obsolete records - -Created 3/14/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0purge_h -#define row0purge_h - -#include "univ.i" -#include "data0data.h" -#include "btr0types.h" -#include "btr0pcur.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "row0types.h" - -/********************************************************************//** -Creates a purge node to a query graph. -@return own: purge node */ -UNIV_INTERN -purge_node_t* -row_purge_node_create( -/*==================*/ - que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ - mem_heap_t* heap); /*!< in: memory heap where created */ -/***********************************************************//** -Determines if it is possible to remove a secondary index entry. -Removal is possible if the secondary index entry does not refer to any -not delete marked version of a clustered index record where DB_TRX_ID -is newer than the purge view. - -NOTE: This function should only be called by the purge thread, only -while holding a latch on the leaf page of the secondary index entry -(or keeping the buffer pool watch on the page). It is possible that -this function first returns TRUE and then FALSE, if a user transaction -inserts a record that the secondary index entry would refer to. -However, in that case, the user transaction would also re-insert the -secondary index entry after purge has removed it and released the leaf -page latch. -@return TRUE if the secondary index record can be purged */ -UNIV_INTERN -ibool -row_purge_poss_sec( -/*===============*/ - purge_node_t* node, /*!< in/out: row purge node */ - dict_index_t* index, /*!< in: secondary index */ - const dtuple_t* entry); /*!< in: secondary index entry */ -/*************************************************************** -Does the purge operation for a single undo log record. This is a high-level -function used in an SQL execution graph. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_purge_step( -/*===========*/ - que_thr_t* thr); /*!< in: query thread */ - -/* Purge node structure */ - -struct purge_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_PURGE */ - /*----------------------*/ - /* Local storage for this graph node */ - roll_ptr_t roll_ptr;/* roll pointer to undo log record */ - trx_undo_rec_t* undo_rec;/* undo log record */ - trx_undo_inf_t* reservation;/* reservation for the undo log record in - the purge array */ - undo_no_t undo_no;/* undo number of the record */ - ulint rec_type;/* undo log record type: TRX_UNDO_INSERT_REC, - ... */ - btr_pcur_t pcur; /*!< persistent cursor used in searching the - clustered index record */ - ibool found_clust;/* TRUE if the clustered index record - determined by ref was found in the clustered - index, and we were able to position pcur on - it */ - dict_table_t* table; /*!< table where purge is done */ - ulint cmpl_info;/* compiler analysis info of an update */ - upd_t* update; /*!< update vector for a clustered index - record */ - dtuple_t* ref; /*!< NULL, or row reference to the next row to - handle */ - dtuple_t* row; /*!< NULL, or a copy (also fields copied to - heap) of the indexed fields of the row to - handle */ - dict_index_t* index; /*!< NULL, or the next index whose record should - be handled */ - mem_heap_t* heap; /*!< memory heap used as auxiliary storage for - row; this must be emptied after a successful - purge of a row */ -}; - -#ifndef UNIV_NONINL -#include "row0purge.ic" -#endif - -#endif diff --git a/perfschema/include/row0purge.ic b/perfschema/include/row0purge.ic deleted file mode 100644 index 23d7d3845a4..00000000000 --- a/perfschema/include/row0purge.ic +++ /dev/null @@ -1,25 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - - -/**************************************************//** -@file include/row0purge.ic -Purge obsolete records - -Created 3/14/1997 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/row0row.h b/perfschema/include/row0row.h deleted file mode 100644 index b40aa619f9f..00000000000 --- a/perfschema/include/row0row.h +++ /dev/null @@ -1,324 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0row.h -General row routines - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - -#ifndef row0row_h -#define row0row_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "mtr0mtr.h" -#include "rem0types.h" -#include "read0types.h" -#include "row0types.h" -#include "btr0types.h" - -/*********************************************************************//** -Gets the offset of the trx id field, in bytes relative to the origin of -a clustered index record. -@return offset of DATA_TRX_ID */ -UNIV_INTERN -ulint -row_get_trx_id_offset( -/*==================*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/*********************************************************************//** -Reads the trx id field from a clustered index record. -@return value of the field */ -UNIV_INLINE -trx_id_t -row_get_rec_trx_id( -/*===============*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/*********************************************************************//** -Reads the roll pointer field from a clustered index record. -@return value of the field */ -UNIV_INLINE -roll_ptr_t -row_get_rec_roll_ptr( -/*=================*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/*****************************************************************//** -When an insert or purge to a table is performed, this function builds -the entry to be inserted into or purged from an index on the table. -@return index entry which should be inserted or purged, or NULL if the -externally stored columns in the clustered index record are -unavailable and ext != NULL */ -UNIV_INTERN -dtuple_t* -row_build_index_entry( -/*==================*/ - const dtuple_t* row, /*!< in: row which should be - inserted or purged */ - row_ext_t* ext, /*!< in: externally stored column prefixes, - or NULL */ - dict_index_t* index, /*!< in: index on the table */ - mem_heap_t* heap); /*!< in: memory heap from which the memory for - the index entry is allocated */ -/*******************************************************************//** -An inverse function to row_build_index_entry. Builds a row from a -record in a clustered index. -@return own: row built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_build( -/*======*/ - ulint type, /*!< in: ROW_COPY_POINTERS or - ROW_COPY_DATA; the latter - copies also the data fields to - heap while the first only - places pointers to data fields - on the index page, and thus is - more efficient */ - const dict_index_t* index, /*!< in: clustered index */ - const rec_t* rec, /*!< in: record in the clustered - index; NOTE: in the case - ROW_COPY_POINTERS the data - fields in the row will point - directly into this record, - therefore, the buffer page of - this record must be at least - s-latched and the latch held - as long as the row dtuple is used! */ - const ulint* offsets,/*!< in: rec_get_offsets(rec,index) - or NULL, in which case this function - will invoke rec_get_offsets() */ - const dict_table_t* col_table, - /*!< in: table, to check which - externally stored columns - occur in the ordering columns - of an index, or NULL if - index->table should be - consulted instead; the user - columns in this table should be - the same columns as in index->table */ - row_ext_t** ext, /*!< out, own: cache of - externally stored column - prefixes, or NULL */ - mem_heap_t* heap); /*!< in: memory heap from which - the memory needed is allocated */ -/*******************************************************************//** -Converts an index record to a typed data tuple. -@return index entry built; does not set info_bits, and the data fields -in the entry will point directly to rec */ -UNIV_INTERN -dtuple_t* -row_rec_to_index_entry_low( -/*=======================*/ - const rec_t* rec, /*!< in: record in the index */ - const dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint* n_ext, /*!< out: number of externally - stored columns */ - mem_heap_t* heap); /*!< in: memory heap from which - the memory needed is allocated */ -/*******************************************************************//** -Converts an index record to a typed data tuple. NOTE that externally -stored (often big) fields are NOT copied to heap. -@return own: index entry built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_rec_to_index_entry( -/*===================*/ - ulint type, /*!< in: ROW_COPY_DATA, or - ROW_COPY_POINTERS: the former - copies also the data fields to - heap as the latter only places - pointers to data fields on the - index page */ - const rec_t* rec, /*!< in: record in the index; - NOTE: in the case - ROW_COPY_POINTERS the data - fields in the row will point - directly into this record, - therefore, the buffer page of - this record must be at least - s-latched and the latch held - as long as the dtuple is used! */ - const dict_index_t* index, /*!< in: index */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ - ulint* n_ext, /*!< out: number of externally - stored columns */ - mem_heap_t* heap); /*!< in: memory heap from which - the memory needed is allocated */ -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. -@return own: row reference built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_build_row_ref( -/*==============*/ - ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: - the former copies also the data fields to - heap, whereas the latter only places pointers - to data fields on the index page */ - dict_index_t* index, /*!< in: secondary index */ - const rec_t* rec, /*!< in: record in the index; - NOTE: in the case ROW_COPY_POINTERS - the data fields in the row will point - directly into this record, therefore, - the buffer page of this record must be - at least s-latched and the latch held - as long as the row reference is used! */ - mem_heap_t* heap); /*!< in: memory heap from which the memory - needed is allocated */ -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. */ -UNIV_INTERN -void -row_build_row_ref_in_tuple( -/*=======================*/ - dtuple_t* ref, /*!< in/out: row reference built; - see the NOTE below! */ - const rec_t* rec, /*!< in: record in the index; - NOTE: the data fields in ref - will point directly into this - record, therefore, the buffer - page of this record must be at - least s-latched and the latch - held as long as the row - reference is used! */ - const dict_index_t* index, /*!< in: secondary index */ - ulint* offsets,/*!< in: rec_get_offsets(rec, index) - or NULL */ - trx_t* trx); /*!< in: transaction */ -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. */ -UNIV_INLINE -void -row_build_row_ref_fast( -/*===================*/ - dtuple_t* ref, /*!< in/out: typed data tuple where the - reference is built */ - const ulint* map, /*!< in: array of field numbers in rec - telling how ref should be built from - the fields of rec */ - const rec_t* rec, /*!< in: record in the index; must be - preserved while ref is used, as we do - not copy field values to heap */ - const ulint* offsets);/*!< in: array returned by rec_get_offsets() */ -/***************************************************************//** -Searches the clustered index record for a row, if we have the row -reference. -@return TRUE if found */ -UNIV_INTERN -ibool -row_search_on_row_ref( -/*==================*/ - btr_pcur_t* pcur, /*!< out: persistent cursor, which must - be closed by the caller */ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - const dict_table_t* table, /*!< in: table */ - const dtuple_t* ref, /*!< in: row reference */ - mtr_t* mtr); /*!< in/out: mtr */ -/*********************************************************************//** -Fetches the clustered index record for a secondary index record. The latches -on the secondary index record are preserved. -@return record or NULL, if no record found */ -UNIV_INTERN -rec_t* -row_get_clust_rec( -/*==============*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - const rec_t* rec, /*!< in: record in a secondary index */ - dict_index_t* index, /*!< in: secondary index */ - dict_index_t** clust_index,/*!< out: clustered index */ - mtr_t* mtr); /*!< in: mtr */ - -/** Result of row_search_index_entry */ -enum row_search_result { - ROW_FOUND = 0, /*!< the record was found */ - ROW_NOT_FOUND, /*!< record not found */ - ROW_BUFFERED, /*!< one of BTR_INSERT, BTR_DELETE, or - BTR_DELETE_MARK was specified, the - secondary index leaf page was not in - the buffer pool, and the operation was - enqueued in the insert/delete buffer */ - ROW_NOT_DELETED_REF, /*!< BTR_DELETE was specified, and - row_purge_poss_sec() failed */ -}; - -/***************************************************************//** -Searches an index record. -@return whether the record was found or buffered */ -UNIV_INTERN -enum row_search_result -row_search_index_entry( -/*===================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry, /*!< in: index entry */ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must - be closed by the caller */ - mtr_t* mtr); /*!< in: mtr */ - - -#define ROW_COPY_DATA 1 -#define ROW_COPY_POINTERS 2 - -/* The allowed latching order of index records is the following: -(1) a secondary index record -> -(2) the clustered index record -> -(3) rollback segment data for the clustered index record. - -No new latches may be obtained while the kernel mutex is reserved. -However, the kernel mutex can be reserved while latches are owned. */ - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) using -"dict_field" and writes the result to "buf". -Not more than "buf_size" bytes are written to "buf". -The result is always NUL-terminated (provided buf_size is positive) and the -number of bytes that were written to "buf" is returned (including the -terminating NUL). -@return number of bytes that were written */ -UNIV_INTERN -ulint -row_raw_format( -/*===========*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - const dict_field_t* dict_field, /*!< in: index field */ - char* buf, /*!< out: output buffer */ - ulint buf_size); /*!< in: output buffer size - in bytes */ - -#ifndef UNIV_NONINL -#include "row0row.ic" -#endif - -#endif diff --git a/perfschema/include/row0row.ic b/perfschema/include/row0row.ic deleted file mode 100644 index 05c007641af..00000000000 --- a/perfschema/include/row0row.ic +++ /dev/null @@ -1,120 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0row.ic -General row routines - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - -#include "dict0dict.h" -#include "rem0rec.h" -#include "trx0undo.h" - -/*********************************************************************//** -Reads the trx id field from a clustered index record. -@return value of the field */ -UNIV_INLINE -trx_id_t -row_get_rec_trx_id( -/*===============*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - ulint offset; - - ut_ad(dict_index_is_clust(index)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - offset = index->trx_id_offset; - - if (!offset) { - offset = row_get_trx_id_offset(rec, index, offsets); - } - - return(trx_read_trx_id(rec + offset)); -} - -/*********************************************************************//** -Reads the roll pointer field from a clustered index record. -@return value of the field */ -UNIV_INLINE -roll_ptr_t -row_get_rec_roll_ptr( -/*=================*/ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - ulint offset; - - ut_ad(dict_index_is_clust(index)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - offset = index->trx_id_offset; - - if (!offset) { - offset = row_get_trx_id_offset(rec, index, offsets); - } - - return(trx_read_roll_ptr(rec + offset + DATA_TRX_ID_LEN)); -} - -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. */ -UNIV_INLINE -void -row_build_row_ref_fast( -/*===================*/ - dtuple_t* ref, /*!< in/out: typed data tuple where the - reference is built */ - const ulint* map, /*!< in: array of field numbers in rec - telling how ref should be built from - the fields of rec */ - const rec_t* rec, /*!< in: record in the index; must be - preserved while ref is used, as we do - not copy field values to heap */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - dfield_t* dfield; - const byte* field; - ulint len; - ulint ref_len; - ulint field_no; - ulint i; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(!rec_offs_any_extern(offsets)); - ref_len = dtuple_get_n_fields(ref); - - for (i = 0; i < ref_len; i++) { - dfield = dtuple_get_nth_field(ref, i); - - field_no = *(map + i); - - if (field_no != ULINT_UNDEFINED) { - - field = rec_get_nth_field(rec, offsets, - field_no, &len); - dfield_set_data(dfield, field, len); - } - } -} diff --git a/perfschema/include/row0sel.h b/perfschema/include/row0sel.h deleted file mode 100644 index 430493e4cde..00000000000 --- a/perfschema/include/row0sel.h +++ /dev/null @@ -1,402 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0sel.h -Select - -Created 12/19/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0sel_h -#define row0sel_h - -#include "univ.i" -#include "data0data.h" -#include "que0types.h" -#include "dict0types.h" -#include "trx0types.h" -#include "row0types.h" -#include "que0types.h" -#include "pars0sym.h" -#include "btr0pcur.h" -#include "read0read.h" -#include "row0mysql.h" - -/*********************************************************************//** -Creates a select node struct. -@return own: select node struct */ -UNIV_INTERN -sel_node_t* -sel_node_create( -/*============*/ - mem_heap_t* heap); /*!< in: memory heap where created */ -/*********************************************************************//** -Frees the memory private to a select node when a query graph is freed, -does not free the heap where the node was originally created. */ -UNIV_INTERN -void -sel_node_free_private( -/*==================*/ - sel_node_t* node); /*!< in: select node struct */ -/*********************************************************************//** -Frees a prefetch buffer for a column, including the dynamically allocated -memory for data stored there. */ -UNIV_INTERN -void -sel_col_prefetch_buf_free( -/*======================*/ - sel_buf_t* prefetch_buf); /*!< in, own: prefetch buffer */ -/*********************************************************************//** -Gets the plan node for the nth table in a join. -@return plan node */ -UNIV_INLINE -plan_t* -sel_node_get_nth_plan( -/*==================*/ - sel_node_t* node, /*!< in: select node */ - ulint i); /*!< in: get ith plan node */ -/**********************************************************************//** -Performs a select step. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_sel_step( -/*=========*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs an execution step of an open or close cursor statement node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -open_step( -/*======*/ - que_thr_t* thr); /*!< in: query thread */ -/**********************************************************************//** -Performs a fetch for a cursor. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -fetch_step( -/*=======*/ - que_thr_t* thr); /*!< in: query thread */ -/****************************************************************//** -Sample callback function for fetch that prints each row. -@return always returns non-NULL */ -UNIV_INTERN -void* -row_fetch_print( -/*============*/ - void* row, /*!< in: sel_node_t* */ - void* user_arg); /*!< in: not used */ -/***********************************************************//** -Prints a row in a select result. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_printf_step( -/*============*/ - que_thr_t* thr); /*!< in: query thread */ -/****************************************************************//** -Converts a key value stored in MySQL format to an Innobase dtuple. The last -field of the key value may be just a prefix of a fixed length field: hence -the parameter key_len. But currently we do not allow search keys where the -last field is only a prefix of the full key field len and print a warning if -such appears. */ -UNIV_INTERN -void -row_sel_convert_mysql_key_to_innobase( -/*==================================*/ - dtuple_t* tuple, /*!< in/out: tuple where to build; - NOTE: we assume that the type info - in the tuple is already according - to index! */ - byte* buf, /*!< in: buffer to use in field - conversions */ - ulint buf_len, /*!< in: buffer length */ - dict_index_t* index, /*!< in: index of the key value */ - const byte* key_ptr, /*!< in: MySQL key value */ - ulint key_len, /*!< in: MySQL key value length */ - trx_t* trx); /*!< in: transaction */ -/********************************************************************//** -Searches for rows in the database. This is used in the interface to -MySQL. This function opens a cursor, and also implements fetch next -and fetch prev. NOTE that if we do a search with a full key value -from a unique index (ROW_SEL_EXACT), then we will not store the cursor -position and fetch next or fetch prev must not be tried to the cursor! -@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, -DB_LOCK_TABLE_FULL, or DB_TOO_BIG_RECORD */ -UNIV_INTERN -ulint -row_search_for_mysql( -/*=================*/ - byte* buf, /*!< in/out: buffer for the fetched - row in the MySQL format */ - ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the - table handle; this contains the info - of search_tuple, index; if search - tuple contains 0 fields then we - position the cursor at the start or - the end of the index, depending on - 'mode' */ - ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or - ROW_SEL_EXACT_PREFIX */ - ulint direction); /*!< in: 0 or ROW_SEL_NEXT or - ROW_SEL_PREV; NOTE: if this is != 0, - then prebuilt must have a pcur - with stored position! In opening of a - cursor 'direction' should be 0. */ -/*******************************************************************//** -Checks if MySQL at the moment is allowed for this table to retrieve a -consistent read result, or store it to the query cache. -@return TRUE if storing or retrieving from the query cache is permitted */ -UNIV_INTERN -ibool -row_search_check_if_query_cache_permitted( -/*======================================*/ - trx_t* trx, /*!< in: transaction object */ - const char* norm_name); /*!< in: concatenation of database name, - '/' char, table name */ -/*******************************************************************//** -Read the max AUTOINC value from an index. -@return DB_SUCCESS if all OK else error code */ -UNIV_INTERN -ulint -row_search_max_autoinc( -/*===================*/ - dict_index_t* index, /*!< in: index to search */ - const char* col_name, /*!< in: autoinc column name */ - ib_uint64_t* value); /*!< out: AUTOINC value read */ - -/** A structure for caching column values for prefetched rows */ -struct sel_buf_struct{ - byte* data; /*!< data, or NULL; if not NULL, this field - has allocated memory which must be explicitly - freed; can be != NULL even when len is - UNIV_SQL_NULL */ - ulint len; /*!< data length or UNIV_SQL_NULL */ - ulint val_buf_size; - /*!< size of memory buffer allocated for data: - this can be more than len; this is defined - when data != NULL */ -}; - -/** Query plan */ -struct plan_struct{ - dict_table_t* table; /*!< table struct in the dictionary - cache */ - dict_index_t* index; /*!< table index used in the search */ - btr_pcur_t pcur; /*!< persistent cursor used to search - the index */ - ibool asc; /*!< TRUE if cursor traveling upwards */ - ibool pcur_is_open; /*!< TRUE if pcur has been positioned - and we can try to fetch new rows */ - ibool cursor_at_end; /*!< TRUE if the cursor is open but - we know that there are no more - qualifying rows left to retrieve from - the index tree; NOTE though, that - there may still be unprocessed rows in - the prefetch stack; always FALSE when - pcur_is_open is FALSE */ - ibool stored_cursor_rec_processed; - /*!< TRUE if the pcur position has been - stored and the record it is positioned - on has already been processed */ - que_node_t** tuple_exps; /*!< array of expressions - which are used to calculate - the field values in the search - tuple: there is one expression - for each field in the search - tuple */ - dtuple_t* tuple; /*!< search tuple */ - ulint mode; /*!< search mode: PAGE_CUR_G, ... */ - ulint n_exact_match; /*!< number of first fields in - the search tuple which must be - exactly matched */ - ibool unique_search; /*!< TRUE if we are searching an - index record with a unique key */ - ulint n_rows_fetched; /*!< number of rows fetched using pcur - after it was opened */ - ulint n_rows_prefetched;/*!< number of prefetched rows cached - for fetch: fetching several rows in - the same mtr saves CPU time */ - ulint first_prefetched;/*!< index of the first cached row in - select buffer arrays for each column */ - ibool no_prefetch; /*!< no prefetch for this table */ - sym_node_list_t columns; /*!< symbol table nodes for the columns - to retrieve from the table */ - UT_LIST_BASE_NODE_T(func_node_t) - end_conds; /*!< conditions which determine the - fetch limit of the index segment we - have to look at: when one of these - fails, the result set has been - exhausted for the cursor in this - index; these conditions are normalized - so that in a comparison the column - for this table is the first argument */ - UT_LIST_BASE_NODE_T(func_node_t) - other_conds; /*!< the rest of search conditions we can - test at this table in a join */ - ibool must_get_clust; /*!< TRUE if index is a non-clustered - index and we must also fetch the - clustered index record; this is the - case if the non-clustered record does - not contain all the needed columns, or - if this is a single-table explicit - cursor, or a searched update or - delete */ - ulint* clust_map; /*!< map telling how clust_ref is built - from the fields of a non-clustered - record */ - dtuple_t* clust_ref; /*!< the reference to the clustered - index entry is built here if index is - a non-clustered index */ - btr_pcur_t clust_pcur; /*!< if index is non-clustered, we use - this pcur to search the clustered - index */ - mem_heap_t* old_vers_heap; /*!< memory heap used in building an old - version of a row, or NULL */ -}; - -/** Select node states */ -enum sel_node_state { - SEL_NODE_CLOSED, /*!< it is a declared cursor which is not - currently open */ - SEL_NODE_OPEN, /*!< intention locks not yet set on tables */ - SEL_NODE_FETCH, /*!< intention locks have been set */ - SEL_NODE_NO_MORE_ROWS /*!< cursor has reached the result set end */ -}; - -/** Select statement node */ -struct sel_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_SELECT */ - enum sel_node_state - state; /*!< node state */ - que_node_t* select_list; /*!< select list */ - sym_node_t* into_list; /*!< variables list or NULL */ - sym_node_t* table_list; /*!< table list */ - ibool asc; /*!< TRUE if the rows should be fetched - in an ascending order */ - ibool set_x_locks; /*!< TRUE if the cursor is for update or - delete, which means that a row x-lock - should be placed on the cursor row */ - ulint row_lock_mode; /*!< LOCK_X or LOCK_S */ - ulint n_tables; /*!< number of tables */ - ulint fetch_table; /*!< number of the next table to access - in the join */ - plan_t* plans; /*!< array of n_tables many plan nodes - containing the search plan and the - search data structures */ - que_node_t* search_cond; /*!< search condition */ - read_view_t* read_view; /*!< if the query is a non-locking - consistent read, its read view is - placed here, otherwise NULL */ - ibool consistent_read;/*!< TRUE if the select is a consistent, - non-locking read */ - order_node_t* order_by; /*!< order by column definition, or - NULL */ - ibool is_aggregate; /*!< TRUE if the select list consists of - aggregate functions */ - ibool aggregate_already_fetched; - /*!< TRUE if the aggregate row has - already been fetched for the current - cursor */ - ibool can_get_updated;/*!< this is TRUE if the select - is in a single-table explicit - cursor which can get updated - within the stored procedure, - or in a searched update or - delete; NOTE that to determine - of an explicit cursor if it - can get updated, the parser - checks from a stored procedure - if it contains positioned - update or delete statements */ - sym_node_t* explicit_cursor;/*!< not NULL if an explicit cursor */ - UT_LIST_BASE_NODE_T(sym_node_t) - copy_variables; /*!< variables whose values we have to - copy when an explicit cursor is opened, - so that they do not change between - fetches */ -}; - -/** Fetch statement node */ -struct fetch_node_struct{ - que_common_t common; /*!< type: QUE_NODE_FETCH */ - sel_node_t* cursor_def; /*!< cursor definition */ - sym_node_t* into_list; /*!< variables to set */ - - pars_user_func_t* - func; /*!< User callback function or NULL. - The first argument to the function - is a sel_node_t*, containing the - results of the SELECT operation for - one row. If the function returns - NULL, it is not interested in - further rows and the cursor is - modified so (cursor % NOTFOUND) is - true. If it returns not-NULL, - continue normally. See - row_fetch_print() for an example - (and a useful debugging tool). */ -}; - -/** Open or close cursor operation type */ -enum open_node_op { - ROW_SEL_OPEN_CURSOR, /*!< open cursor */ - ROW_SEL_CLOSE_CURSOR /*!< close cursor */ -}; - -/** Open or close cursor statement node */ -struct open_node_struct{ - que_common_t common; /*!< type: QUE_NODE_OPEN */ - enum open_node_op - op_type; /*!< operation type: open or - close cursor */ - sel_node_t* cursor_def; /*!< cursor definition */ -}; - -/** Row printf statement node */ -struct row_printf_node_struct{ - que_common_t common; /*!< type: QUE_NODE_ROW_PRINTF */ - sel_node_t* sel_node; /*!< select */ -}; - -/** Search direction for the MySQL interface */ -enum row_sel_direction { - ROW_SEL_NEXT = 1, /*!< ascending direction */ - ROW_SEL_PREV = 2 /*!< descending direction */ -}; - -/** Match mode for the MySQL interface */ -enum row_sel_match_mode { - ROW_SEL_EXACT = 1, /*!< search using a complete key value */ - ROW_SEL_EXACT_PREFIX /*!< search using a key prefix which - must match rows: the prefix may - contain an incomplete field (the last - field in prefix may be just a prefix - of a fixed length column) */ -}; - -#ifndef UNIV_NONINL -#include "row0sel.ic" -#endif - -#endif diff --git a/perfschema/include/row0sel.ic b/perfschema/include/row0sel.ic deleted file mode 100644 index 5907f9913da..00000000000 --- a/perfschema/include/row0sel.ic +++ /dev/null @@ -1,105 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0sel.ic -Select - -Created 12/19/1997 Heikki Tuuri -*******************************************************/ - -#include "que0que.h" - -/*********************************************************************//** -Gets the plan node for the nth table in a join. -@return plan node */ -UNIV_INLINE -plan_t* -sel_node_get_nth_plan( -/*==================*/ - sel_node_t* node, /*!< in: select node */ - ulint i) /*!< in: get ith plan node */ -{ - ut_ad(i < node->n_tables); - - return(node->plans + i); -} - -/*********************************************************************//** -Resets the cursor defined by sel_node to the SEL_NODE_OPEN state, which means -that it will start fetching from the start of the result set again, regardless -of where it was before, and it will set intention locks on the tables. */ -UNIV_INLINE -void -sel_node_reset_cursor( -/*==================*/ - sel_node_t* node) /*!< in: select node */ -{ - node->state = SEL_NODE_OPEN; -} - -/**********************************************************************//** -Performs an execution step of an open or close cursor statement node. -@return query thread to run next or NULL */ -UNIV_INLINE -que_thr_t* -open_step( -/*======*/ - que_thr_t* thr) /*!< in: query thread */ -{ - sel_node_t* sel_node; - open_node_t* node; - ulint err; - - ut_ad(thr); - - node = (open_node_t*) thr->run_node; - ut_ad(que_node_get_type(node) == QUE_NODE_OPEN); - - sel_node = node->cursor_def; - - err = DB_SUCCESS; - - if (node->op_type == ROW_SEL_OPEN_CURSOR) { - - /* if (sel_node->state == SEL_NODE_CLOSED) { */ - - sel_node_reset_cursor(sel_node); - /* } else { - err = DB_ERROR; - } */ - } else { - if (sel_node->state != SEL_NODE_CLOSED) { - - sel_node->state = SEL_NODE_CLOSED; - } else { - err = DB_ERROR; - } - } - - if (UNIV_EXPECT(err, DB_SUCCESS) != DB_SUCCESS) { - /* SQL error detected */ - fprintf(stderr, "SQL error %lu\n", (ulong) err); - - ut_error; - } - - thr->run_node = que_node_get_parent(node); - - return(thr); -} diff --git a/perfschema/include/row0types.h b/perfschema/include/row0types.h deleted file mode 100644 index 1be729206ba..00000000000 --- a/perfschema/include/row0types.h +++ /dev/null @@ -1,59 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0types.h -Row operation global types - -Created 12/27/1996 Heikki Tuuri -*******************************************************/ - -#ifndef row0types_h -#define row0types_h - -typedef struct plan_struct plan_t; - -typedef struct upd_struct upd_t; - -typedef struct upd_field_struct upd_field_t; - -typedef struct upd_node_struct upd_node_t; - -typedef struct del_node_struct del_node_t; - -typedef struct ins_node_struct ins_node_t; - -typedef struct sel_node_struct sel_node_t; - -typedef struct open_node_struct open_node_t; - -typedef struct fetch_node_struct fetch_node_t; - -typedef struct row_printf_node_struct row_printf_node_t; -typedef struct sel_buf_struct sel_buf_t; - -typedef struct undo_node_struct undo_node_t; - -typedef struct purge_node_struct purge_node_t; - -typedef struct row_ext_struct row_ext_t; - -/* MySQL data types */ -struct TABLE; - -#endif diff --git a/perfschema/include/row0uins.h b/perfschema/include/row0uins.h deleted file mode 100644 index 77b071c3a6b..00000000000 --- a/perfschema/include/row0uins.h +++ /dev/null @@ -1,54 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0uins.h -Fresh insert undo - -Created 2/25/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0uins_h -#define row0uins_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "row0types.h" -#include "mtr0mtr.h" - -/***********************************************************//** -Undoes a fresh insert of a row to a table. A fresh insert means that -the same clustered index unique key did not have any record, even delete -marked, at the time of the insert. InnoDB is eager in a rollback: -if it figures out that an index record will be removed in the purge -anyway, it will remove it in the rollback. -@return DB_SUCCESS */ -UNIV_INTERN -ulint -row_undo_ins( -/*=========*/ - undo_node_t* node); /*!< in: row undo node */ - -#ifndef UNIV_NONINL -#include "row0uins.ic" -#endif - -#endif diff --git a/perfschema/include/row0uins.ic b/perfschema/include/row0uins.ic deleted file mode 100644 index 27606150d8e..00000000000 --- a/perfschema/include/row0uins.ic +++ /dev/null @@ -1,25 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0uins.ic -Fresh insert undo - -Created 2/25/1997 Heikki Tuuri -*******************************************************/ - diff --git a/perfschema/include/row0umod.h b/perfschema/include/row0umod.h deleted file mode 100644 index ed44cc8d601..00000000000 --- a/perfschema/include/row0umod.h +++ /dev/null @@ -1,52 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0umod.h -Undo modify of a row - -Created 2/27/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0umod_h -#define row0umod_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "row0types.h" -#include "mtr0mtr.h" - -/***********************************************************//** -Undoes a modify operation on a row of a table. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_undo_mod( -/*=========*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr); /*!< in: query thread */ - - -#ifndef UNIV_NONINL -#include "row0umod.ic" -#endif - -#endif diff --git a/perfschema/include/row0umod.ic b/perfschema/include/row0umod.ic deleted file mode 100644 index ea3fd3b43c7..00000000000 --- a/perfschema/include/row0umod.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0umod.ic -Undo modify of a row - -Created 2/27/1997 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/row0undo.h b/perfschema/include/row0undo.h deleted file mode 100644 index 6eb4ca448b3..00000000000 --- a/perfschema/include/row0undo.h +++ /dev/null @@ -1,142 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0undo.h -Row undo - -Created 1/8/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0undo_h -#define row0undo_h - -#include "univ.i" -#include "mtr0mtr.h" -#include "trx0sys.h" -#include "btr0types.h" -#include "btr0pcur.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "row0types.h" - -/********************************************************************//** -Creates a row undo node to a query graph. -@return own: undo node */ -UNIV_INTERN -undo_node_t* -row_undo_node_create( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ - mem_heap_t* heap); /*!< in: memory heap where created */ -/***********************************************************//** -Looks for the clustered index record when node has the row reference. -The pcur in node is used in the search. If found, stores the row to node, -and stores the position of pcur, and detaches it. The pcur must be closed -by the caller in any case. -@return TRUE if found; NOTE the node->pcur must be closed by the -caller, regardless of the return value */ -UNIV_INTERN -ibool -row_undo_search_clust_to_pcur( -/*==========================*/ - undo_node_t* node); /*!< in: row undo node */ -/***********************************************************//** -Undoes a row operation in a table. This is a high-level function used -in SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_undo_step( -/*==========*/ - que_thr_t* thr); /*!< in: query thread */ - -/* A single query thread will try to perform the undo for all successive -versions of a clustered index record, if the transaction has modified it -several times during the execution which is rolled back. It may happen -that the task is transferred to another query thread, if the other thread -is assigned to handle an undo log record in the chain of different versions -of the record, and the other thread happens to get the x-latch to the -clustered index record at the right time. - If a query thread notices that the clustered index record it is looking -for is missing, or the roll ptr field in the record doed not point to the -undo log record the thread was assigned to handle, then it gives up the undo -task for that undo log record, and fetches the next. This situation can occur -just in the case where the transaction modified the same record several times -and another thread is currently doing the undo for successive versions of -that index record. */ - -/** Execution state of an undo node */ -enum undo_exec { - UNDO_NODE_FETCH_NEXT = 1, /*!< we should fetch the next - undo log record */ - UNDO_NODE_PREV_VERS, /*!< the roll ptr to previous - version of a row is stored in - node, and undo should be done - based on it */ - UNDO_NODE_INSERT, /*!< undo a fresh insert of a - row to a table */ - UNDO_NODE_MODIFY /*!< undo a modify operation - (DELETE or UPDATE) on a row - of a table */ -}; - -/** Undo node structure */ -struct undo_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_UNDO */ - enum undo_exec state; /*!< node execution state */ - trx_t* trx; /*!< trx for which undo is done */ - roll_ptr_t roll_ptr;/*!< roll pointer to undo log record */ - trx_undo_rec_t* undo_rec;/*!< undo log record */ - undo_no_t undo_no;/*!< undo number of the record */ - ulint rec_type;/*!< undo log record type: TRX_UNDO_INSERT_REC, - ... */ - roll_ptr_t new_roll_ptr; - /*!< roll ptr to restore to clustered index - record */ - trx_id_t new_trx_id; /*!< trx id to restore to clustered index - record */ - btr_pcur_t pcur; /*!< persistent cursor used in searching the - clustered index record */ - dict_table_t* table; /*!< table where undo is done */ - ulint cmpl_info;/*!< compiler analysis of an update */ - upd_t* update; /*!< update vector for a clustered index - record */ - dtuple_t* ref; /*!< row reference to the next row to handle */ - dtuple_t* row; /*!< a copy (also fields copied to heap) of the - row to handle */ - row_ext_t* ext; /*!< NULL, or prefixes of the externally - stored columns of the row */ - dtuple_t* undo_row;/*!< NULL, or the row after undo */ - row_ext_t* undo_ext;/*!< NULL, or prefixes of the externally - stored columns of undo_row */ - dict_index_t* index; /*!< the next index whose record should be - handled */ - mem_heap_t* heap; /*!< memory heap used as auxiliary storage for - row; this must be emptied after undo is tried - on a row */ -}; - - -#ifndef UNIV_NONINL -#include "row0undo.ic" -#endif - -#endif diff --git a/perfschema/include/row0undo.ic b/perfschema/include/row0undo.ic deleted file mode 100644 index dc788debc14..00000000000 --- a/perfschema/include/row0undo.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0undo.ic -Row undo - -Created 1/8/1997 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/row0upd.h b/perfschema/include/row0upd.h deleted file mode 100644 index 635d746d5a1..00000000000 --- a/perfschema/include/row0upd.h +++ /dev/null @@ -1,483 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0upd.h -Update of a row - -Created 12/27/1996 Heikki Tuuri -*******************************************************/ - -#ifndef row0upd_h -#define row0upd_h - -#include "univ.i" -#include "data0data.h" -#include "row0types.h" -#include "btr0types.h" -#include "dict0types.h" -#include "trx0types.h" - -#ifndef UNIV_HOTBACKUP -# include "btr0pcur.h" -# include "que0types.h" -# include "pars0types.h" -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Creates an update vector object. -@return own: update vector object */ -UNIV_INLINE -upd_t* -upd_create( -/*=======*/ - ulint n, /*!< in: number of fields */ - mem_heap_t* heap); /*!< in: heap from which memory allocated */ -/*********************************************************************//** -Returns the number of fields in the update vector == number of columns -to be updated by an update vector. -@return number of fields */ -UNIV_INLINE -ulint -upd_get_n_fields( -/*=============*/ - const upd_t* update); /*!< in: update vector */ -#ifdef UNIV_DEBUG -/*********************************************************************//** -Returns the nth field of an update vector. -@return update vector field */ -UNIV_INLINE -upd_field_t* -upd_get_nth_field( -/*==============*/ - const upd_t* update, /*!< in: update vector */ - ulint n); /*!< in: field position in update vector */ -#else -# define upd_get_nth_field(update, n) ((update)->fields + (n)) -#endif -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Sets an index field number to be updated by an update vector field. */ -UNIV_INLINE -void -upd_field_set_field_no( -/*===================*/ - upd_field_t* upd_field, /*!< in: update vector field */ - ulint field_no, /*!< in: field number in a clustered - index */ - dict_index_t* index, /*!< in: index */ - trx_t* trx); /*!< in: transaction */ -/*********************************************************************//** -Returns a field of an update vector by field_no. -@return update vector field, or NULL */ -UNIV_INLINE -const upd_field_t* -upd_get_field_by_field_no( -/*======================*/ - const upd_t* update, /*!< in: update vector */ - ulint no) /*!< in: field_no */ - __attribute__((nonnull, pure)); -/*********************************************************************//** -Writes into the redo log the values of trx id and roll ptr and enough info -to determine their positions within a clustered index record. -@return new pointer to mlog */ -UNIV_INTERN -byte* -row_upd_write_sys_vals_to_log( -/*==========================*/ - dict_index_t* index, /*!< in: clustered index */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ - byte* log_ptr,/*!< pointer to a buffer of size > 20 opened - in mlog */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record when -a row is updated or marked deleted. */ -UNIV_INLINE -void -row_upd_rec_sys_fields( -/*===================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ -/*********************************************************************//** -Sets the trx id or roll ptr field of a clustered index entry. */ -UNIV_INTERN -void -row_upd_index_entry_sys_field( -/*==========================*/ - const dtuple_t* entry, /*!< in: index entry, where the memory buffers - for sys fields are already allocated: - the function just copies the new values to - them */ - dict_index_t* index, /*!< in: clustered index */ - ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ - dulint val); /*!< in: value to write */ -/*********************************************************************//** -Creates an update node for a query graph. -@return own: update node */ -UNIV_INTERN -upd_node_t* -upd_node_create( -/*============*/ - mem_heap_t* heap); /*!< in: mem heap where created */ -/***********************************************************//** -Writes to the redo log the new values of the fields occurring in the index. */ -UNIV_INTERN -void -row_upd_index_write_log( -/*====================*/ - const upd_t* update, /*!< in: update vector */ - byte* log_ptr,/*!< in: pointer to mlog buffer: must - contain at least MLOG_BUF_MARGIN bytes - of free space; the buffer is closed - within this function */ - mtr_t* mtr); /*!< in: mtr into whose log to write */ -/***********************************************************//** -Returns TRUE if row update changes size of some field in index or if some -field to be updated is stored externally in rec or update. -@return TRUE if the update changes the size of some field in index or -the field is external in rec or update */ -UNIV_INTERN -ibool -row_upd_changes_field_size_or_external( -/*===================================*/ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - const upd_t* update);/*!< in: update vector */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Replaces the new column values stored in the update vector to the record -given. No field size changes are allowed. */ -UNIV_INTERN -void -row_upd_rec_in_place( -/*=================*/ - rec_t* rec, /*!< in/out: record where replaced */ - dict_index_t* index, /*!< in: the index the record belongs to */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - const upd_t* update, /*!< in: update vector */ - page_zip_des_t* page_zip);/*!< in: compressed page with enough space - available, or NULL */ -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Builds an update vector from those fields which in a secondary index entry -differ from a record that has the equal ordering fields. NOTE: we compare -the fields as binary strings! -@return own: update vector of differing fields */ -UNIV_INTERN -upd_t* -row_upd_build_sec_rec_difference_binary( -/*====================================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry, /*!< in: entry to insert */ - const rec_t* rec, /*!< in: secondary index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/***************************************************************//** -Builds an update vector from those fields, excluding the roll ptr and -trx id fields, which in an index entry differ from a record that has -the equal ordering fields. NOTE: we compare the fields as binary strings! -@return own: update vector of differing fields, excluding roll ptr and -trx id */ -UNIV_INTERN -upd_t* -row_upd_build_difference_binary( -/*============================*/ - dict_index_t* index, /*!< in: clustered index */ - const dtuple_t* entry, /*!< in: entry to insert */ - const rec_t* rec, /*!< in: clustered index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap); /*!< in: memory heap from which allocated */ -/***********************************************************//** -Replaces the new column values stored in the update vector to the index entry -given. */ -UNIV_INTERN -void -row_upd_index_replace_new_col_vals_index_pos( -/*=========================================*/ - dtuple_t* entry, /*!< in/out: index entry where replaced; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - dict_index_t* index, /*!< in: index; NOTE that this may also be a - non-clustered index */ - const upd_t* update, /*!< in: an update vector built for the index so - that the field number in an upd_field is the - index position */ - ibool order_only, - /*!< in: if TRUE, limit the replacement to - ordering fields of index; note that this - does not work for non-clustered indexes. */ - mem_heap_t* heap) /*!< in: memory heap for allocating and - copying the new values */ - __attribute__((nonnull)); -/***********************************************************//** -Replaces the new column values stored in the update vector to the index entry -given. */ -UNIV_INTERN -void -row_upd_index_replace_new_col_vals( -/*===============================*/ - dtuple_t* entry, /*!< in/out: index entry where replaced; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - dict_index_t* index, /*!< in: index; NOTE that this may also be a - non-clustered index */ - const upd_t* update, /*!< in: an update vector built for the - CLUSTERED index so that the field number in - an upd_field is the clustered index position */ - mem_heap_t* heap) /*!< in: memory heap for allocating and - copying the new values */ - __attribute__((nonnull)); -/***********************************************************//** -Replaces the new column values stored in the update vector. */ -UNIV_INTERN -void -row_upd_replace( -/*============*/ - dtuple_t* row, /*!< in/out: row where replaced, - indexed by col_no; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - row_ext_t** ext, /*!< out, own: NULL, or externally - stored column prefixes */ - const dict_index_t* index, /*!< in: clustered index */ - const upd_t* update, /*!< in: an update vector built for the - clustered index */ - mem_heap_t* heap); /*!< in: memory heap */ -/***********************************************************//** -Checks if an update vector changes an ordering field of an index record. - -This function is fast if the update vector is short or the number of ordering -fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! -@return TRUE if update vector changes an ordering field in the index record */ -UNIV_INTERN -ibool -row_upd_changes_ord_field_binary( -/*=============================*/ - const dtuple_t* row, /*!< in: old value of row, or NULL if the - row and the data values in update are not - known when this function is called, e.g., at - compile time */ - dict_index_t* index, /*!< in: index of the record */ - const upd_t* update);/*!< in: update vector for the row; NOTE: the - field numbers in this MUST be clustered index - positions! */ -/***********************************************************//** -Checks if an update vector changes an ordering field of an index record. -This function is fast if the update vector is short or the number of ordering -fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! -@return TRUE if update vector may change an ordering field in an index -record */ -UNIV_INTERN -ibool -row_upd_changes_some_index_ord_field_binary( -/*========================================*/ - const dict_table_t* table, /*!< in: table */ - const upd_t* update);/*!< in: update vector for the row */ -/***********************************************************//** -Updates a row in a table. This is a high-level function used -in SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_upd_step( -/*=========*/ - que_thr_t* thr); /*!< in: query thread */ -#endif /* !UNIV_HOTBACKUP */ -/*********************************************************************//** -Parses the log data of system field values. -@return log data end or NULL */ -UNIV_INTERN -byte* -row_upd_parse_sys_vals( -/*===================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - ulint* pos, /*!< out: TRX_ID position in record */ - trx_id_t* trx_id, /*!< out: trx id */ - roll_ptr_t* roll_ptr);/*!< out: roll ptr */ -/*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record in database -recovery. */ -UNIV_INTERN -void -row_upd_rec_sys_fields_in_recovery( -/*===============================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint pos, /*!< in: TRX_ID position in rec */ - trx_id_t trx_id, /*!< in: transaction id */ - roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ -/*********************************************************************//** -Parses the log data written by row_upd_index_write_log. -@return log data end or NULL */ -UNIV_INTERN -byte* -row_upd_index_parse( -/*================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - mem_heap_t* heap, /*!< in: memory heap where update vector is - built */ - upd_t** update_out);/*!< out: update vector */ - - -/* Update vector field */ -struct upd_field_struct{ - unsigned field_no:16; /*!< field number in an index, usually - the clustered index, but in updating - a secondary index record in btr0cur.c - this is the position in the secondary - index */ -#ifndef UNIV_HOTBACKUP - unsigned orig_len:16; /*!< original length of the locally - stored part of an externally stored - column, or 0 */ - que_node_t* exp; /*!< expression for calculating a new - value: it refers to column values and - constants in the symbol table of the - query graph */ -#endif /* !UNIV_HOTBACKUP */ - dfield_t new_val; /*!< new value for the column */ -}; - -/* Update vector structure */ -struct upd_struct{ - ulint info_bits; /*!< new value of info bits to record; - default is 0 */ - ulint n_fields; /*!< number of update fields */ - upd_field_t* fields; /*!< array of update fields */ -}; - -#ifndef UNIV_HOTBACKUP -/* Update node structure which also implements the delete operation -of a row */ - -struct upd_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_UPDATE */ - ibool is_delete;/* TRUE if delete, FALSE if update */ - ibool searched_update; - /* TRUE if searched update, FALSE if - positioned */ - ibool in_mysql_interface; - /* TRUE if the update node was created - for the MySQL interface */ - dict_foreign_t* foreign;/* NULL or pointer to a foreign key - constraint if this update node is used in - doing an ON DELETE or ON UPDATE operation */ - upd_node_t* cascade_node;/* NULL or an update node template which - is used to implement ON DELETE/UPDATE CASCADE - or ... SET NULL for foreign keys */ - mem_heap_t* cascade_heap;/* NULL or a mem heap where the cascade - node is created */ - sel_node_t* select; /*!< query graph subtree implementing a base - table cursor: the rows returned will be - updated */ - btr_pcur_t* pcur; /*!< persistent cursor placed on the clustered - index record which should be updated or - deleted; the cursor is stored in the graph - of 'select' field above, except in the case - of the MySQL interface */ - dict_table_t* table; /*!< table where updated */ - upd_t* update; /*!< update vector for the row */ - ulint update_n_fields; - /* when this struct is used to implement - a cascade operation for foreign keys, we store - here the size of the buffer allocated for use - as the update vector */ - sym_node_list_t columns;/* symbol table nodes for the columns - to retrieve from the table */ - ibool has_clust_rec_x_lock; - /* TRUE if the select which retrieves the - records to update already sets an x-lock on - the clustered record; note that it must always - set at least an s-lock */ - ulint cmpl_info;/* information extracted during query - compilation; speeds up execution: - UPD_NODE_NO_ORD_CHANGE and - UPD_NODE_NO_SIZE_CHANGE, ORed */ - /*----------------------*/ - /* Local storage for this graph node */ - ulint state; /*!< node execution state */ - dict_index_t* index; /*!< NULL, or the next index whose record should - be updated */ - dtuple_t* row; /*!< NULL, or a copy (also fields copied to - heap) of the row to update; this must be reset - to NULL after a successful update */ - row_ext_t* ext; /*!< NULL, or prefixes of the externally - stored columns in the old row */ - dtuple_t* upd_row;/* NULL, or a copy of the updated row */ - row_ext_t* upd_ext;/* NULL, or prefixes of the externally - stored columns in upd_row */ - mem_heap_t* heap; /*!< memory heap used as auxiliary storage; - this must be emptied after a successful - update */ - /*----------------------*/ - sym_node_t* table_sym;/* table node in symbol table */ - que_node_t* col_assign_list; - /* column assignment list */ - ulint magic_n; -}; - -#define UPD_NODE_MAGIC_N 1579975 - -/* Node execution states */ -#define UPD_NODE_SET_IX_LOCK 1 /* execution came to the node from - a node above and if the field - has_clust_rec_x_lock is FALSE, we - should set an intention x-lock on - the table */ -#define UPD_NODE_UPDATE_CLUSTERED 2 /* clustered index record should be - updated */ -#define UPD_NODE_INSERT_CLUSTERED 3 /* clustered index record should be - inserted, old record is already delete - marked */ -#define UPD_NODE_UPDATE_ALL_SEC 4 /* an ordering field of the clustered - index record was changed, or this is - a delete operation: should update - all the secondary index records */ -#define UPD_NODE_UPDATE_SOME_SEC 5 /* secondary index entries should be - looked at and updated if an ordering - field changed */ - -/* Compilation info flags: these must fit within 3 bits; see trx0rec.h */ -#define UPD_NODE_NO_ORD_CHANGE 1 /* no secondary index record will be - changed in the update and no ordering - field of the clustered index */ -#define UPD_NODE_NO_SIZE_CHANGE 2 /* no record field size will be - changed in the update */ - -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "row0upd.ic" -#endif - -#endif diff --git a/perfschema/include/row0upd.ic b/perfschema/include/row0upd.ic deleted file mode 100644 index 18e22f1eca9..00000000000 --- a/perfschema/include/row0upd.ic +++ /dev/null @@ -1,184 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0upd.ic -Update of a row - -Created 12/27/1996 Heikki Tuuri -*******************************************************/ - -#include "mtr0log.h" -#ifndef UNIV_HOTBACKUP -# include "trx0trx.h" -# include "trx0undo.h" -# include "row0row.h" -# include "btr0sea.h" -#endif /* !UNIV_HOTBACKUP */ -#include "page0zip.h" - -/*********************************************************************//** -Creates an update vector object. -@return own: update vector object */ -UNIV_INLINE -upd_t* -upd_create( -/*=======*/ - ulint n, /*!< in: number of fields */ - mem_heap_t* heap) /*!< in: heap from which memory allocated */ -{ - upd_t* update; - - update = (upd_t*) mem_heap_alloc(heap, sizeof(upd_t)); - - update->info_bits = 0; - update->n_fields = n; - update->fields = (upd_field_t*) - mem_heap_alloc(heap, sizeof(upd_field_t) * n); - - return(update); -} - -/*********************************************************************//** -Returns the number of fields in the update vector == number of columns -to be updated by an update vector. -@return number of fields */ -UNIV_INLINE -ulint -upd_get_n_fields( -/*=============*/ - const upd_t* update) /*!< in: update vector */ -{ - ut_ad(update); - - return(update->n_fields); -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Returns the nth field of an update vector. -@return update vector field */ -UNIV_INLINE -upd_field_t* -upd_get_nth_field( -/*==============*/ - const upd_t* update, /*!< in: update vector */ - ulint n) /*!< in: field position in update vector */ -{ - ut_ad(update); - ut_ad(n < update->n_fields); - - return((upd_field_t*) update->fields + n); -} -#endif /* UNIV_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Sets an index field number to be updated by an update vector field. */ -UNIV_INLINE -void -upd_field_set_field_no( -/*===================*/ - upd_field_t* upd_field, /*!< in: update vector field */ - ulint field_no, /*!< in: field number in a clustered - index */ - dict_index_t* index, /*!< in: index */ - trx_t* trx) /*!< in: transaction */ -{ - upd_field->field_no = field_no; - upd_field->orig_len = 0; - - if (UNIV_UNLIKELY(field_no >= dict_index_get_n_fields(index))) { - fprintf(stderr, - "InnoDB: Error: trying to access field %lu in ", - (ulong) field_no); - dict_index_name_print(stderr, trx, index); - fprintf(stderr, "\n" - "InnoDB: but index only has %lu fields\n", - (ulong) dict_index_get_n_fields(index)); - } - - dict_col_copy_type(dict_index_get_nth_col(index, field_no), - dfield_get_type(&upd_field->new_val)); -} - -/*********************************************************************//** -Returns a field of an update vector by field_no. -@return update vector field, or NULL */ -UNIV_INLINE -const upd_field_t* -upd_get_field_by_field_no( -/*======================*/ - const upd_t* update, /*!< in: update vector */ - ulint no) /*!< in: field_no */ -{ - ulint i; - for (i = 0; i < upd_get_n_fields(update); i++) { - const upd_field_t* uf = upd_get_nth_field(update, i); - - if (uf->field_no == no) { - - return(uf); - } - } - - return(NULL); -} - -/*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record when -a row is updated or marked deleted. */ -UNIV_INLINE -void -row_upd_rec_sys_fields( -/*===================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be updated, or NULL */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ -{ - ut_ad(dict_index_is_clust(index)); - ut_ad(rec_offs_validate(rec, index, offsets)); -#ifdef UNIV_SYNC_DEBUG - if (!rw_lock_own(&btr_search_latch, RW_LOCK_EX)) { - ut_ad(!buf_block_align(rec)->is_hashed); - } -#endif /* UNIV_SYNC_DEBUG */ - - if (UNIV_LIKELY_NULL(page_zip)) { - ulint pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); - page_zip_write_trx_id_and_roll_ptr(page_zip, rec, offsets, - pos, trx->id, roll_ptr); - } else { - ulint offset = index->trx_id_offset; - - if (!offset) { - offset = row_get_trx_id_offset(rec, index, offsets); - } - -#if DATA_TRX_ID + 1 != DATA_ROLL_PTR -# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" -#endif - trx_write_trx_id(rec + offset, trx->id); - trx_write_roll_ptr(rec + offset + DATA_TRX_ID_LEN, roll_ptr); - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/row0vers.h b/perfschema/include/row0vers.h deleted file mode 100644 index 5a2e38230d5..00000000000 --- a/perfschema/include/row0vers.h +++ /dev/null @@ -1,142 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0vers.h -Row versions - -Created 2/6/1997 Heikki Tuuri -*******************************************************/ - -#ifndef row0vers_h -#define row0vers_h - -#include "univ.i" -#include "data0data.h" -#include "dict0types.h" -#include "trx0types.h" -#include "que0types.h" -#include "rem0types.h" -#include "mtr0mtr.h" -#include "read0types.h" - -/*****************************************************************//** -Finds out if an active transaction has inserted or modified a secondary -index record. NOTE: the kernel mutex is temporarily released in this -function! -@return NULL if committed, else the active transaction */ -UNIV_INTERN -trx_t* -row_vers_impl_x_locked_off_kernel( -/*==============================*/ - const rec_t* rec, /*!< in: record in a secondary index */ - dict_index_t* index, /*!< in: the secondary index */ - const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ -/*****************************************************************//** -Finds out if we must preserve a delete marked earlier version of a clustered -index record, because it is >= the purge view. -@return TRUE if earlier version should be preserved */ -UNIV_INTERN -ibool -row_vers_must_preserve_del_marked( -/*==============================*/ - trx_id_t trx_id, /*!< in: transaction id in the version */ - mtr_t* mtr); /*!< in: mtr holding the latch on the - clustered index record; it will also - hold the latch on purge_view */ -/*****************************************************************//** -Finds out if a version of the record, where the version >= the current -purge view, should have ientry as its secondary index entry. We check -if there is any not delete marked version of the record where the trx -id >= purge view, and the secondary index entry == ientry; exactly in -this case we return TRUE. -@return TRUE if earlier version should have */ -UNIV_INTERN -ibool -row_vers_old_has_index_entry( -/*=========================*/ - ibool also_curr,/*!< in: TRUE if also rec is included in the - versions to search; otherwise only versions - prior to it are searched */ - const rec_t* rec, /*!< in: record in the clustered index; the - caller must have a latch on the page */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will - also hold the latch on purge_view */ - dict_index_t* index, /*!< in: the secondary index */ - const dtuple_t* ientry);/*!< in: the secondary index entry */ -/*****************************************************************//** -Constructs the version of a clustered index record which a consistent -read should see. We assume that the trx id stored in rec is such that -the consistent read should not see rec in its present version. -@return DB_SUCCESS or DB_MISSING_HISTORY */ -UNIV_INTERN -ulint -row_vers_build_for_consistent_read( -/*===============================*/ - const rec_t* rec, /*!< in: record in a clustered index; the - caller must have a latch on the page; this - latch locks the top of the stack of versions - of this records */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will - also hold the latch on purge_view */ - dict_index_t* index, /*!< in: the clustered index */ - ulint** offsets,/*!< in/out: offsets returned by - rec_get_offsets(rec, index) */ - read_view_t* view, /*!< in: the consistent read view */ - mem_heap_t** offset_heap,/*!< in/out: memory heap from which - the offsets are allocated */ - mem_heap_t* in_heap,/*!< in: memory heap from which the memory for - *old_vers is allocated; memory for possible - intermediate versions is allocated and freed - locally within the function */ - rec_t** old_vers);/*!< out, own: old version, or NULL if the - record does not exist in the view, that is, - it was freshly inserted afterwards */ - -/*****************************************************************//** -Constructs the last committed version of a clustered index record, -which should be seen by a semi-consistent read. -@return DB_SUCCESS or DB_MISSING_HISTORY */ -UNIV_INTERN -ulint -row_vers_build_for_semi_consistent_read( -/*====================================*/ - const rec_t* rec, /*!< in: record in a clustered index; the - caller must have a latch on the page; this - latch locks the top of the stack of versions - of this records */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec */ - dict_index_t* index, /*!< in: the clustered index */ - ulint** offsets,/*!< in/out: offsets returned by - rec_get_offsets(rec, index) */ - mem_heap_t** offset_heap,/*!< in/out: memory heap from which - the offsets are allocated */ - mem_heap_t* in_heap,/*!< in: memory heap from which the memory for - *old_vers is allocated; memory for possible - intermediate versions is allocated and freed - locally within the function */ - const rec_t** old_vers);/*!< out: rec, old version, or NULL if the - record does not exist in the view, that is, - it was freshly inserted afterwards */ - - -#ifndef UNIV_NONINL -#include "row0vers.ic" -#endif - -#endif diff --git a/perfschema/include/row0vers.ic b/perfschema/include/row0vers.ic deleted file mode 100644 index 8bb3a5c0cb3..00000000000 --- a/perfschema/include/row0vers.ic +++ /dev/null @@ -1,30 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/row0vers.ic -Row versions - -Created 2/6/1997 Heikki Tuuri -*******************************************************/ - -#include "row0row.h" -#include "dict0dict.h" -#include "read0read.h" -#include "page0page.h" -#include "log0recv.h" diff --git a/perfschema/include/srv0que.h b/perfschema/include/srv0que.h deleted file mode 100644 index 82ee7739ef7..00000000000 --- a/perfschema/include/srv0que.h +++ /dev/null @@ -1,42 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0que.h -Server query execution - -Created 6/5/1996 Heikki Tuuri -*******************************************************/ - -#ifndef srv0que_h -#define srv0que_h - -#include "univ.i" -#include "que0types.h" - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue_low( -/*=====================*/ - que_thr_t* thr); /*!< in: query thread */ - -#endif - diff --git a/perfschema/include/srv0srv.h b/perfschema/include/srv0srv.h deleted file mode 100644 index c1778ccaf1b..00000000000 --- a/perfschema/include/srv0srv.h +++ /dev/null @@ -1,657 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, 2009, Google Inc. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0srv.h -The server main program - -Created 10/10/1995 Heikki Tuuri -*******************************************************/ - -#ifndef srv0srv_h -#define srv0srv_h - -#include "univ.i" -#ifndef UNIV_HOTBACKUP -#include "sync0sync.h" -#include "os0sync.h" -#include "que0types.h" -#include "trx0types.h" - -extern const char* srv_main_thread_op_info; - -/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ -extern const char srv_mysql50_table_name_prefix[9]; - -/* When this event is set the lock timeout and InnoDB monitor -thread starts running */ -extern os_event_t srv_lock_timeout_thread_event; - -/* If the last data file is auto-extended, we add this many pages to it -at a time */ -#define SRV_AUTO_EXTEND_INCREMENT \ - (srv_auto_extend_increment * ((1024 * 1024) / UNIV_PAGE_SIZE)) - -/* This is set to TRUE if the MySQL user has set it in MySQL */ -extern ibool srv_lower_case_table_names; - -/* Mutex for locking srv_monitor_file */ -extern mutex_t srv_monitor_file_mutex; -/* Temporary file for innodb monitor output */ -extern FILE* srv_monitor_file; -/* Mutex for locking srv_dict_tmpfile. -This mutex has a very high rank; threads reserving it should not -be holding any InnoDB latches. */ -extern mutex_t srv_dict_tmpfile_mutex; -/* Temporary file for output from the data dictionary */ -extern FILE* srv_dict_tmpfile; -/* Mutex for locking srv_misc_tmpfile. -This mutex has a very low rank; threads reserving it should not -acquire any further latches or sleep before releasing this one. */ -extern mutex_t srv_misc_tmpfile_mutex; -/* Temporary file for miscellanous diagnostic output */ -extern FILE* srv_misc_tmpfile; - -/* Server parameters which are read from the initfile */ - -extern char* srv_data_home; -#ifdef UNIV_LOG_ARCHIVE -extern char* srv_arch_dir; -#endif /* UNIV_LOG_ARCHIVE */ - -/** store to its own file each table created by an user; data -dictionary tables are in the system tablespace 0 */ -#ifndef UNIV_HOTBACKUP -extern my_bool srv_file_per_table; -#else -extern ibool srv_file_per_table; -#endif /* UNIV_HOTBACKUP */ -/** The file format to use on new *.ibd files. */ -extern ulint srv_file_format; -/** Whether to check file format during startup. A value of -DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to -set it to the highest format we support. */ -extern ulint srv_check_file_format_at_startup; -/** Place locks to records only i.e. do not use next-key locking except -on duplicate key checking and foreign key checking */ -extern ibool srv_locks_unsafe_for_binlog; -#endif /* !UNIV_HOTBACKUP */ - -/* If this flag is TRUE, then we will use the native aio of the -OS (provided we compiled Innobase with it in), otherwise we will -use simulated aio we build below with threads. -Currently we support native aio on windows and linux */ -extern my_bool srv_use_native_aio; -extern ulint srv_n_data_files; -extern char** srv_data_file_names; -extern ulint* srv_data_file_sizes; -extern ulint* srv_data_file_is_raw_partition; - -extern ibool srv_auto_extend_last_data_file; -extern ulint srv_last_file_size_max; -extern char** srv_log_group_home_dirs; -#ifndef UNIV_HOTBACKUP -extern ulong srv_auto_extend_increment; - -extern ibool srv_created_new_raw; - -extern ulint srv_n_log_groups; -extern ulint srv_n_log_files; -extern ulint srv_log_file_size; -extern ulint srv_log_buffer_size; -extern ulong srv_flush_log_at_trx_commit; -extern char srv_adaptive_flushing; - - -/* The sort order table of the MySQL latin1_swedish_ci character set -collation */ -extern const byte* srv_latin1_ordering; -#ifndef UNIV_HOTBACKUP -extern my_bool srv_use_sys_malloc; -#else -extern ibool srv_use_sys_malloc; -#endif /* UNIV_HOTBACKUP */ -extern ulint srv_buf_pool_size; /*!< requested size in bytes */ -extern ulint srv_buf_pool_old_size; /*!< previously requested size */ -extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ -extern ulint srv_mem_pool_size; -extern ulint srv_lock_table_size; - -extern ulint srv_n_file_io_threads; -extern ulong srv_read_ahead_threshold; -extern ulint srv_n_read_io_threads; -extern ulint srv_n_write_io_threads; - -/* Number of IO operations per second the server can do */ -extern ulong srv_io_capacity; -/* Returns the number of IO operations that is X percent of the -capacity. PCT_IO(5) -> returns the number of IO operations that -is 5% of the max where max is srv_io_capacity. */ -#define PCT_IO(p) ((ulong) (srv_io_capacity * ((double) p / 100.0))) - -#ifdef UNIV_LOG_ARCHIVE -extern ibool srv_log_archive_on; -extern ibool srv_archive_recovery; -extern dulint srv_archive_recovery_limit_lsn; -#endif /* UNIV_LOG_ARCHIVE */ - -extern char* srv_file_flush_method_str; -extern ulint srv_unix_file_flush_method; -extern ulint srv_win_file_flush_method; - -extern ulint srv_max_n_open_files; - -extern ulint srv_max_dirty_pages_pct; - -extern ulint srv_force_recovery; -extern ulong srv_thread_concurrency; - -extern ulint srv_max_n_threads; - -extern lint srv_conc_n_threads; - -extern ulint srv_fast_shutdown; /* If this is 1, do not do a - purge and index buffer merge. - If this 2, do not even flush the - buffer pool to data files at the - shutdown: we effectively 'crash' - InnoDB (but lose no committed - transactions). */ -extern ibool srv_innodb_status; - -extern unsigned long long srv_stats_sample_pages; - -extern ibool srv_use_doublewrite_buf; -extern ibool srv_use_checksums; - -extern ulong srv_max_buf_pool_modified_pct; -extern ulong srv_max_purge_lag; - -extern ulong srv_replication_delay; -/*-------------------------------------------*/ - -extern ulint srv_n_rows_inserted; -extern ulint srv_n_rows_updated; -extern ulint srv_n_rows_deleted; -extern ulint srv_n_rows_read; - -extern ibool srv_print_innodb_monitor; -extern ibool srv_print_innodb_lock_monitor; -extern ibool srv_print_innodb_tablespace_monitor; -extern ibool srv_print_verbose_log; -extern ibool srv_print_innodb_table_monitor; - -extern ibool srv_lock_timeout_active; -extern ibool srv_monitor_active; -extern ibool srv_error_monitor_active; - -extern ulong srv_n_spin_wait_rounds; -extern ulong srv_n_free_tickets_to_enter; -extern ulong srv_thread_sleep_delay; -extern ulong srv_spin_wait_delay; -extern ibool srv_priority_boost; - -extern ulint srv_mem_pool_size; -extern ulint srv_lock_table_size; - -#ifdef UNIV_DEBUG -extern ibool srv_print_thread_releases; -extern ibool srv_print_lock_waits; -extern ibool srv_print_buf_io; -extern ibool srv_print_log_io; -extern ibool srv_print_latch_waits; -#else /* UNIV_DEBUG */ -# define srv_print_thread_releases FALSE -# define srv_print_lock_waits FALSE -# define srv_print_buf_io FALSE -# define srv_print_log_io FALSE -# define srv_print_latch_waits FALSE -#endif /* UNIV_DEBUG */ - -extern ulint srv_activity_count; -extern ulint srv_fatal_semaphore_wait_threshold; -extern ulint srv_dml_needed_delay; - -extern mutex_t* kernel_mutex_temp;/* mutex protecting the server, trx structs, - query threads, and lock table: we allocate - it from dynamic memory to get it to the - same DRAM page as other hotspot semaphores */ -#define kernel_mutex (*kernel_mutex_temp) - -#define SRV_MAX_N_IO_THREADS 130 - -/* Array of English strings describing the current state of an -i/o handler thread */ -extern const char* srv_io_thread_op_info[]; -extern const char* srv_io_thread_function[]; - -/* the number of the log write requests done */ -extern ulint srv_log_write_requests; - -/* the number of physical writes to the log performed */ -extern ulint srv_log_writes; - -/* amount of data written to the log files in bytes */ -extern ulint srv_os_log_written; - -/* amount of writes being done to the log files */ -extern ulint srv_os_log_pending_writes; - -/* we increase this counter, when there we don't have enough space in the -log buffer and have to flush it */ -extern ulint srv_log_waits; - -/* variable that counts amount of data read in total (in bytes) */ -extern ulint srv_data_read; - -/* here we count the amount of data written in total (in bytes) */ -extern ulint srv_data_written; - -/* this variable counts the amount of times, when the doublewrite buffer -was flushed */ -extern ulint srv_dblwr_writes; - -/* here we store the number of pages that have been flushed to the -doublewrite buffer */ -extern ulint srv_dblwr_pages_written; - -/* in this variable we store the number of write requests issued */ -extern ulint srv_buf_pool_write_requests; - -/* here we store the number of times when we had to wait for a free page -in the buffer pool. It happens when the buffer pool is full and we need -to make a flush, in order to be able to read or create a page. */ -extern ulint srv_buf_pool_wait_free; - -/* variable to count the number of pages that were written from the -buffer pool to disk */ -extern ulint srv_buf_pool_flushed; - -/** Number of buffer pool reads that led to the -reading of a disk page */ -extern ulint srv_buf_pool_reads; - -/** Status variables to be passed to MySQL */ -typedef struct export_var_struct export_struc; - -/** Status variables to be passed to MySQL */ -extern export_struc export_vars; - -/** The server system */ -typedef struct srv_sys_struct srv_sys_t; - -/** The server system */ -extern srv_sys_t* srv_sys; -#endif /* !UNIV_HOTBACKUP */ - -/** Types of raw partitions in innodb_data_file_path */ -enum { - SRV_NOT_RAW = 0, /*!< Not a raw partition */ - SRV_NEW_RAW, /*!< A 'newraw' partition, only to be - initialized */ - SRV_OLD_RAW /*!< An initialized raw partition */ -}; - -/** Alternatives for the file flush option in Unix; see the InnoDB manual -about what these mean */ -enum { - SRV_UNIX_FSYNC = 1, /*!< fsync, the default */ - SRV_UNIX_O_DSYNC, /*!< open log files in O_SYNC mode */ - SRV_UNIX_LITTLESYNC, /*!< do not call os_file_flush() - when writing data files, but do flush - after writing to log files */ - SRV_UNIX_NOSYNC, /*!< do not flush after writing */ - SRV_UNIX_O_DIRECT /*!< invoke os_file_set_nocache() on - data files */ -}; - -/** Alternatives for file i/o in Windows */ -enum { - SRV_WIN_IO_NORMAL = 1, /*!< buffered I/O */ - SRV_WIN_IO_UNBUFFERED /*!< unbuffered I/O; this is the default */ -}; - -/** Alternatives for srv_force_recovery. Non-zero values are intended -to help the user get a damaged database up so that he can dump intact -tables and rows with SELECT INTO OUTFILE. The database must not otherwise -be used with these options! A bigger number below means that all precautions -of lower numbers are included. */ -enum { - SRV_FORCE_IGNORE_CORRUPT = 1, /*!< let the server run even if it - detects a corrupt page */ - SRV_FORCE_NO_BACKGROUND = 2, /*!< prevent the main thread from - running: if a crash would occur - in purge, this prevents it */ - SRV_FORCE_NO_TRX_UNDO = 3, /*!< do not run trx rollback after - recovery */ - SRV_FORCE_NO_IBUF_MERGE = 4, /*!< prevent also ibuf operations: - if they would cause a crash, better - not do them */ - SRV_FORCE_NO_UNDO_LOG_SCAN = 5, /*!< do not look at undo logs when - starting the database: InnoDB will - treat even incomplete transactions - as committed */ - SRV_FORCE_NO_LOG_REDO = 6 /*!< do not do the log roll-forward - in connection with recovery */ -}; - -#ifndef UNIV_HOTBACKUP -/** Types of threads existing in the system. */ -enum srv_thread_type { - SRV_COM = 1, /**< threads serving communication and queries */ - SRV_CONSOLE, /**< thread serving console */ - SRV_WORKER, /**< threads serving parallelized queries and - queries released from lock wait */ -#if 0 - /* Utility threads */ - SRV_BUFFER, /**< thread flushing dirty buffer blocks */ - SRV_RECOVERY, /**< threads finishing a recovery */ - SRV_INSERT, /**< thread flushing the insert buffer to disk */ -#endif - SRV_MASTER /**< the master thread, (whose type number must - be biggest) */ -}; - -/*********************************************************************//** -Boots Innobase server. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -srv_boot(void); -/*==========*/ -/*********************************************************************//** -Initializes the server. */ -UNIV_INTERN -void -srv_init(void); -/*==========*/ -/*********************************************************************//** -Frees the data structures created in srv_init(). */ -UNIV_INTERN -void -srv_free(void); -/*==========*/ -/*********************************************************************//** -Initializes the synchronization primitives, memory system, and the thread -local storage. */ -UNIV_INTERN -void -srv_general_init(void); -/*==================*/ -/*********************************************************************//** -Gets the number of threads in the system. -@return sum of srv_n_threads[] */ -UNIV_INTERN -ulint -srv_get_n_threads(void); -/*===================*/ -/*********************************************************************//** -Returns the calling thread type. -@return SRV_COM, ... */ - -enum srv_thread_type -srv_get_thread_type(void); -/*=====================*/ -/*********************************************************************//** -Sets the info describing an i/o thread current state. */ -UNIV_INTERN -void -srv_set_io_thread_op_info( -/*======================*/ - ulint i, /*!< in: the 'segment' of the i/o thread */ - const char* str); /*!< in: constant char string describing the - state */ -/*********************************************************************//** -Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be less than n if not -enough threads were suspended at the moment */ -UNIV_INTERN -ulint -srv_release_threads( -/*================*/ - enum srv_thread_type type, /*!< in: thread type */ - ulint n); /*!< in: number of threads to release */ -/*********************************************************************//** -The master thread controlling the server. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_master_thread( -/*==============*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ -/*******************************************************************//** -Tells the Innobase server that there has been activity in the database -and wakes up the master thread if it is suspended (not sleeping). Used -in the MySQL interface. Note that there is a small chance that the master -thread stays suspended (we do not protect our operation with the kernel -mutex, for performace reasons). */ -UNIV_INTERN -void -srv_active_wake_master_thread(void); -/*===============================*/ -/*******************************************************************//** -Wakes up the master thread if it is suspended or being suspended. */ -UNIV_INTERN -void -srv_wake_master_thread(void); -/*========================*/ -/*********************************************************************//** -Puts an OS thread to wait if there are too many concurrent threads -(>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ -UNIV_INTERN -void -srv_conc_enter_innodb( -/*==================*/ - trx_t* trx); /*!< in: transaction object associated with the - thread */ -/*********************************************************************//** -This lets a thread enter InnoDB regardless of the number of threads inside -InnoDB. This must be called when a thread ends a lock wait. */ -UNIV_INTERN -void -srv_conc_force_enter_innodb( -/*========================*/ - trx_t* trx); /*!< in: transaction object associated with the - thread */ -/*********************************************************************//** -This must be called when a thread exits InnoDB in a lock wait or at the -end of an SQL statement. */ -UNIV_INTERN -void -srv_conc_force_exit_innodb( -/*=======================*/ - trx_t* trx); /*!< in: transaction object associated with the - thread */ -/*********************************************************************//** -This must be called when a thread exits InnoDB. */ -UNIV_INTERN -void -srv_conc_exit_innodb( -/*=================*/ - trx_t* trx); /*!< in: transaction object associated with the - thread */ -/***************************************************************//** -Puts a MySQL OS thread to wait for a lock to be released. If an error -occurs during the wait trx->error_state associated with thr is -!= DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK -are possible errors. DB_DEADLOCK is returned if selective deadlock -resolution chose this transaction as a victim. */ -UNIV_INTERN -void -srv_suspend_mysql_thread( -/*=====================*/ - que_thr_t* thr); /*!< in: query thread associated with the MySQL - OS thread */ -/********************************************************************//** -Releases a MySQL OS thread waiting for a lock to be released, if the -thread is already suspended. */ -UNIV_INTERN -void -srv_release_mysql_thread_if_suspended( -/*==================================*/ - que_thr_t* thr); /*!< in: query thread associated with the - MySQL OS thread */ -/*********************************************************************//** -A thread which wakes up threads whose lock wait may have lasted too long. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_lock_timeout_thread( -/*====================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ -/*********************************************************************//** -A thread which prints the info output by various InnoDB monitors. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_monitor_thread( -/*===============*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ -/************************************************************************* -A thread which prints warnings about semaphore waits which have lasted -too long. These can be used to track bugs which cause hangs. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_error_monitor_thread( -/*=====================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ -/******************************************************************//** -Outputs to a file the output of the InnoDB Monitor. -@return FALSE if not all information printed -due to failure to obtain necessary mutex */ -UNIV_INTERN -ibool -srv_printf_innodb_monitor( -/*======================*/ - FILE* file, /*!< in: output stream */ - ibool nowait, /*!< in: whether to wait for kernel mutex */ - ulint* trx_start, /*!< out: file position of the start of - the list of active transactions */ - ulint* trx_end); /*!< out: file position of the end of - the list of active transactions */ - -/******************************************************************//** -Function to pass InnoDB status variables to MySQL */ -UNIV_INTERN -void -srv_export_innodb_status(void); -/*==========================*/ - -/** Thread slot in the thread table */ -typedef struct srv_slot_struct srv_slot_t; - -/** Thread table is an array of slots */ -typedef srv_slot_t srv_table_t; - -/** Status variables to be passed to MySQL */ -struct export_var_struct{ - ulint innodb_data_pending_reads; /*!< Pending reads */ - ulint innodb_data_pending_writes; /*!< Pending writes */ - ulint innodb_data_pending_fsyncs; /*!< Pending fsyncs */ - ulint innodb_data_fsyncs; /*!< Number of fsyncs so far */ - ulint innodb_data_read; /*!< Data bytes read */ - ulint innodb_data_writes; /*!< I/O write requests */ - ulint innodb_data_written; /*!< Data bytes written */ - ulint innodb_data_reads; /*!< I/O read requests */ - ulint innodb_buffer_pool_pages_total; /*!< Buffer pool size */ - ulint innodb_buffer_pool_pages_data; /*!< Data pages */ - ulint innodb_buffer_pool_pages_dirty; /*!< Dirty data pages */ - ulint innodb_buffer_pool_pages_misc; /*!< Miscellanous pages */ - ulint innodb_buffer_pool_pages_free; /*!< Free pages */ -#ifdef UNIV_DEBUG - ulint innodb_buffer_pool_pages_latched; /*!< Latched pages */ -#endif /* UNIV_DEBUG */ - ulint innodb_buffer_pool_read_requests; /*!< buf_pool->stat.n_page_gets */ - ulint innodb_buffer_pool_reads; /*!< srv_buf_pool_reads */ - ulint innodb_buffer_pool_wait_free; /*!< srv_buf_pool_wait_free */ - ulint innodb_buffer_pool_pages_flushed; /*!< srv_buf_pool_flushed */ - ulint innodb_buffer_pool_write_requests;/*!< srv_buf_pool_write_requests */ - ulint innodb_buffer_pool_read_ahead; /*!< srv_read_ahead */ - ulint innodb_buffer_pool_read_ahead_evicted;/*!< srv_read_ahead evicted*/ - ulint innodb_dblwr_pages_written; /*!< srv_dblwr_pages_written */ - ulint innodb_dblwr_writes; /*!< srv_dblwr_writes */ - ibool innodb_have_atomic_builtins; /*!< HAVE_ATOMIC_BUILTINS */ - ulint innodb_log_waits; /*!< srv_log_waits */ - ulint innodb_log_write_requests; /*!< srv_log_write_requests */ - ulint innodb_log_writes; /*!< srv_log_writes */ - ulint innodb_os_log_written; /*!< srv_os_log_written */ - ulint innodb_os_log_fsyncs; /*!< fil_n_log_flushes */ - ulint innodb_os_log_pending_writes; /*!< srv_os_log_pending_writes */ - ulint innodb_os_log_pending_fsyncs; /*!< fil_n_pending_log_flushes */ - ulint innodb_page_size; /*!< UNIV_PAGE_SIZE */ - ulint innodb_pages_created; /*!< buf_pool->stat.n_pages_created */ - ulint innodb_pages_read; /*!< buf_pool->stat.n_pages_read */ - ulint innodb_pages_written; /*!< buf_pool->stat.n_pages_written */ - ulint innodb_row_lock_waits; /*!< srv_n_lock_wait_count */ - ulint innodb_row_lock_current_waits; /*!< srv_n_lock_wait_current_count */ - ib_int64_t innodb_row_lock_time; /*!< srv_n_lock_wait_time - / 1000 */ - ulint innodb_row_lock_time_avg; /*!< srv_n_lock_wait_time - / 1000 - / srv_n_lock_wait_count */ - ulint innodb_row_lock_time_max; /*!< srv_n_lock_max_wait_time - / 1000 */ - ulint innodb_rows_read; /*!< srv_n_rows_read */ - ulint innodb_rows_inserted; /*!< srv_n_rows_inserted */ - ulint innodb_rows_updated; /*!< srv_n_rows_updated */ - ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ -}; - -/** The server system struct */ -struct srv_sys_struct{ - srv_table_t* threads; /*!< server thread table */ - UT_LIST_BASE_NODE_T(que_thr_t) - tasks; /*!< task queue */ -}; - -extern ulint srv_n_threads_active[]; -#else /* !UNIV_HOTBACKUP */ -# define srv_use_adaptive_hash_indexes FALSE -# define srv_use_checksums TRUE -# define srv_use_native_aio FALSE -# define srv_force_recovery 0UL -# define srv_set_io_thread_op_info(t,info) ((void) 0) -# define srv_is_being_started 0 -# define srv_win_file_flush_method SRV_WIN_IO_UNBUFFERED -# define srv_unix_file_flush_method SRV_UNIX_O_DSYNC -# define srv_start_raw_disk_in_use 0 -# define srv_file_per_table 1 -#endif /* !UNIV_HOTBACKUP */ - -#endif diff --git a/perfschema/include/srv0srv.ic b/perfschema/include/srv0srv.ic deleted file mode 100644 index 8a1a678a016..00000000000 --- a/perfschema/include/srv0srv.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0srv.ic -Server main program - -Created 10/4/1995 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/srv0start.h b/perfschema/include/srv0start.h deleted file mode 100644 index 8abf15da9c1..00000000000 --- a/perfschema/include/srv0start.h +++ /dev/null @@ -1,134 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0start.h -Starts the Innobase database server - -Created 10/10/1995 Heikki Tuuri -*******************************************************/ - -#ifndef srv0start_h -#define srv0start_h - -#include "univ.i" -#include "ut0byte.h" - -/*********************************************************************//** -Normalizes a directory path for Windows: converts slashes to backslashes. */ -UNIV_INTERN -void -srv_normalize_path_for_win( -/*=======================*/ - char* str); /*!< in/out: null-terminated character string */ -/*********************************************************************//** -Reads the data files and their sizes from a character string given in -the .cnf file. -@return TRUE if ok, FALSE on parse error */ -UNIV_INTERN -ibool -srv_parse_data_file_paths_and_sizes( -/*================================*/ - char* str); /*!< in/out: the data file path string */ -/*********************************************************************//** -Reads log group home directories from a character string given in -the .cnf file. -@return TRUE if ok, FALSE on parse error */ -UNIV_INTERN -ibool -srv_parse_log_group_home_dirs( -/*==========================*/ - char* str); /*!< in/out: character string */ -/*********************************************************************//** -Frees the memory allocated by srv_parse_data_file_paths_and_sizes() -and srv_parse_log_group_home_dirs(). */ -UNIV_INTERN -void -srv_free_paths_and_sizes(void); -/*==========================*/ -/*********************************************************************//** -Adds a slash or a backslash to the end of a string if it is missing -and the string is not empty. -@return string which has the separator if the string is not empty */ -UNIV_INTERN -char* -srv_add_path_separator_if_needed( -/*=============================*/ - char* str); /*!< in: null-terminated character string */ -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Starts Innobase and creates a new database if database files -are not found and the user wants. -@return DB_SUCCESS or error code */ -UNIV_INTERN -int -innobase_start_or_create_for_mysql(void); -/*====================================*/ -/****************************************************************//** -Shuts down the Innobase database. -@return DB_SUCCESS or error code */ -UNIV_INTERN -int -innobase_shutdown_for_mysql(void); -/*=============================*/ -/** Log sequence number at shutdown */ -extern ib_uint64_t srv_shutdown_lsn; -/** Log sequence number immediately after startup */ -extern ib_uint64_t srv_start_lsn; - -#ifdef __NETWARE__ -void set_panic_flag_for_netware(void); -#endif - -#ifdef HAVE_DARWIN_THREADS -/** TRUE if the F_FULLFSYNC option is available */ -extern ibool srv_have_fullfsync; -#endif - -/** TRUE if the server is being started */ -extern ibool srv_is_being_started; -/** TRUE if the server was successfully started */ -extern ibool srv_was_started; -/** TRUE if the server is being started, before rolling back any -incomplete transactions */ -extern ibool srv_startup_is_before_trx_rollback_phase; - -/** TRUE if a raw partition is in use */ -extern ibool srv_start_raw_disk_in_use; - - -/** Shutdown state */ -enum srv_shutdown_state { - SRV_SHUTDOWN_NONE = 0, /*!< Database running normally */ - SRV_SHUTDOWN_CLEANUP, /*!< Cleaning up in - logs_empty_and_mark_files_at_shutdown() */ - SRV_SHUTDOWN_LAST_PHASE,/*!< Last phase after ensuring that - the buffer pool can be freed: flush - all file spaces and close all files */ - SRV_SHUTDOWN_EXIT_THREADS/*!< Exit all threads */ -}; - -/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to -SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ -extern enum srv_shutdown_state srv_shutdown_state; -#endif /* !UNIV_HOTBACKUP */ - -/** Log 'spaces' have id's >= this */ -#define SRV_LOG_SPACE_FIRST_ID 0xFFFFFFF0UL - -#endif diff --git a/perfschema/include/sync0arr.h b/perfschema/include/sync0arr.h deleted file mode 100644 index 5f1280f5e28..00000000000 --- a/perfschema/include/sync0arr.h +++ /dev/null @@ -1,142 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0arr.h -The wait array used in synchronization primitives - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef sync0arr_h -#define sync0arr_h - -#include "univ.i" -#include "ut0lst.h" -#include "ut0mem.h" -#include "os0thread.h" - -/** Synchronization wait array cell */ -typedef struct sync_cell_struct sync_cell_t; -/** Synchronization wait array */ -typedef struct sync_array_struct sync_array_t; - -/** Parameters for sync_array_create() @{ */ -#define SYNC_ARRAY_OS_MUTEX 1 /*!< protected by os_mutex_t */ -#define SYNC_ARRAY_MUTEX 2 /*!< protected by mutex_t */ -/* @} */ - -/*******************************************************************//** -Creates a synchronization wait array. It is protected by a mutex -which is automatically reserved when the functions operating on it -are called. -@return own: created wait array */ -UNIV_INTERN -sync_array_t* -sync_array_create( -/*==============*/ - ulint n_cells, /*!< in: number of cells in the array - to create */ - ulint protection); /*!< in: either SYNC_ARRAY_OS_MUTEX or - SYNC_ARRAY_MUTEX: determines the type - of mutex protecting the data structure */ -/******************************************************************//** -Frees the resources in a wait array. */ -UNIV_INTERN -void -sync_array_free( -/*============*/ - sync_array_t* arr); /*!< in, own: sync wait array */ -/******************************************************************//** -Reserves a wait array cell for waiting for an object. -The event of the cell is reset to nonsignalled state. */ -UNIV_INTERN -void -sync_array_reserve_cell( -/*====================*/ - sync_array_t* arr, /*!< in: wait array */ - void* object, /*!< in: pointer to the object to wait for */ - ulint type, /*!< in: lock request type */ - const char* file, /*!< in: file where requested */ - ulint line, /*!< in: line where requested */ - ulint* index); /*!< out: index of the reserved cell */ -/******************************************************************//** -This function should be called when a thread starts to wait on -a wait array cell. In the debug version this function checks -if the wait for a semaphore will result in a deadlock, in which -case prints info and asserts. */ -UNIV_INTERN -void -sync_array_wait_event( -/*==================*/ - sync_array_t* arr, /*!< in: wait array */ - ulint index); /*!< in: index of the reserved cell */ -/******************************************************************//** -Frees the cell. NOTE! sync_array_wait_event frees the cell -automatically! */ -UNIV_INTERN -void -sync_array_free_cell( -/*=================*/ - sync_array_t* arr, /*!< in: wait array */ - ulint index); /*!< in: index of the cell in array */ -/**********************************************************************//** -Note that one of the wait objects was signalled. */ -UNIV_INTERN -void -sync_array_object_signalled( -/*========================*/ - sync_array_t* arr); /*!< in: wait array */ -/**********************************************************************//** -If the wakeup algorithm does not work perfectly at semaphore relases, -this function will do the waking (see the comment in mutex_exit). This -function should be called about every 1 second in the server. */ -UNIV_INTERN -void -sync_arr_wake_threads_if_sema_free(void); -/*====================================*/ -/**********************************************************************//** -Prints warnings of long semaphore waits to stderr. -@return TRUE if fatal semaphore wait threshold was exceeded */ -UNIV_INTERN -ibool -sync_array_print_long_waits(void); -/*=============================*/ -/********************************************************************//** -Validates the integrity of the wait array. Checks -that the number of reserved cells equals the count variable. */ -UNIV_INTERN -void -sync_array_validate( -/*================*/ - sync_array_t* arr); /*!< in: sync wait array */ -/**********************************************************************//** -Prints info of the wait array. */ -UNIV_INTERN -void -sync_array_print_info( -/*==================*/ - FILE* file, /*!< in: file where to print */ - sync_array_t* arr); /*!< in: wait array */ - - -#ifndef UNIV_NONINL -#include "sync0arr.ic" -#endif - -#endif diff --git a/perfschema/include/sync0arr.ic b/perfschema/include/sync0arr.ic deleted file mode 100644 index bf57f5b2dc2..00000000000 --- a/perfschema/include/sync0arr.ic +++ /dev/null @@ -1,27 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0arr.ic -The wait array for synchronization primitives - -Inline code - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - diff --git a/perfschema/include/sync0rw.h b/perfschema/include/sync0rw.h deleted file mode 100644 index aedfd5f3f86..00000000000 --- a/perfschema/include/sync0rw.h +++ /dev/null @@ -1,585 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0rw.h -The read-write lock (for threads, not for database transactions) - -Created 9/11/1995 Heikki Tuuri -*******************************************************/ - -#ifndef sync0rw_h -#define sync0rw_h - -#include "univ.i" -#ifndef UNIV_HOTBACKUP -#include "ut0lst.h" -#include "sync0sync.h" -#include "os0sync.h" - -/* The following undef is to prevent a name conflict with a macro -in MySQL: */ -#undef rw_lock_t -#endif /* !UNIV_HOTBACKUP */ - -/* Latch types; these are used also in btr0btr.h: keep the numerical values -smaller than 30 and the order of the numerical values like below! */ -#define RW_S_LATCH 1 -#define RW_X_LATCH 2 -#define RW_NO_LATCH 3 - -#ifndef UNIV_HOTBACKUP -/* We decrement lock_word by this amount for each x_lock. It is also the -start value for the lock_word, meaning that it limits the maximum number -of concurrent read locks before the rw_lock breaks. The current value of -0x00100000 allows 1,048,575 concurrent readers and 2047 recursive writers.*/ -#define X_LOCK_DECR 0x00100000 - -typedef struct rw_lock_struct rw_lock_t; -#ifdef UNIV_SYNC_DEBUG -typedef struct rw_lock_debug_struct rw_lock_debug_t; -#endif /* UNIV_SYNC_DEBUG */ - -typedef UT_LIST_BASE_NODE_T(rw_lock_t) rw_lock_list_t; - -extern rw_lock_list_t rw_lock_list; -extern mutex_t rw_lock_list_mutex; - -#ifdef UNIV_SYNC_DEBUG -/* The global mutex which protects debug info lists of all rw-locks. -To modify the debug info list of an rw-lock, this mutex has to be - -acquired in addition to the mutex protecting the lock. */ -extern mutex_t rw_lock_debug_mutex; -extern os_event_t rw_lock_debug_event; /*!< If deadlock detection does - not get immediately the mutex it - may wait for this event */ -extern ibool rw_lock_debug_waiters; /*!< This is set to TRUE, if - there may be waiters for the event */ -#endif /* UNIV_SYNC_DEBUG */ - -/** number of spin waits on rw-latches, -resulted during exclusive (write) locks */ -extern ib_int64_t rw_s_spin_wait_count; -/** number of spin loop rounds on rw-latches, -resulted during exclusive (write) locks */ -extern ib_int64_t rw_s_spin_round_count; -/** number of unlocks (that unlock shared locks), -set only when UNIV_SYNC_PERF_STAT is defined */ -extern ib_int64_t rw_s_exit_count; -/** number of OS waits on rw-latches, -resulted during shared (read) locks */ -extern ib_int64_t rw_s_os_wait_count; -/** number of spin waits on rw-latches, -resulted during shared (read) locks */ -extern ib_int64_t rw_x_spin_wait_count; -/** number of spin loop rounds on rw-latches, -resulted during shared (read) locks */ -extern ib_int64_t rw_x_spin_round_count; -/** number of OS waits on rw-latches, -resulted during exclusive (write) locks */ -extern ib_int64_t rw_x_os_wait_count; -/** number of unlocks (that unlock exclusive locks), -set only when UNIV_SYNC_PERF_STAT is defined */ -extern ib_int64_t rw_x_exit_count; - -/******************************************************************//** -Creates, or rather, initializes an rw-lock object in a specified memory -location (which must be appropriately aligned). The rw-lock is initialized -to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free -is necessary only if the memory block containing it is freed. */ -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG -# define rw_lock_create(L, level) \ - rw_lock_create_func((L), (level), #L, __FILE__, __LINE__) -# else /* UNIV_SYNC_DEBUG */ -# define rw_lock_create(L, level) \ - rw_lock_create_func((L), #L, __FILE__, __LINE__) -# endif /* UNIV_SYNC_DEBUG */ -#else /* UNIV_DEBUG */ -# define rw_lock_create(L, level) \ - rw_lock_create_func((L), __FILE__, __LINE__) -#endif /* UNIV_DEBUG */ - -/******************************************************************//** -Creates, or rather, initializes an rw-lock object in a specified memory -location (which must be appropriately aligned). The rw-lock is initialized -to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free -is necessary only if the memory block containing it is freed. */ -UNIV_INTERN -void -rw_lock_create_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to memory */ -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG - ulint level, /*!< in: level */ -# endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /*!< in: mutex name */ -#endif /* UNIV_DEBUG */ - const char* cfile_name, /*!< in: file name where created */ - ulint cline); /*!< in: file line where created */ -/******************************************************************//** -Calling this function is obligatory only if the memory buffer containing -the rw-lock is freed. Removes an rw-lock object from the global list. The -rw-lock is checked to be in the non-locked state. */ -UNIV_INTERN -void -rw_lock_free( -/*=========*/ - rw_lock_t* lock); /*!< in: rw-lock */ -#ifdef UNIV_DEBUG -/******************************************************************//** -Checks that the rw-lock has been initialized and that there are no -simultaneous shared and exclusive locks. -@return TRUE */ -UNIV_INTERN -ibool -rw_lock_validate( -/*=============*/ - rw_lock_t* lock); /*!< in: rw-lock */ -#endif /* UNIV_DEBUG */ -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock(M) rw_lock_s_lock_func(\ - (M), 0, __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock_gen(M, P) rw_lock_s_lock_func(\ - (M), (P), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock_nowait(M, F, L) rw_lock_s_lock_low(\ - (M), 0, (F), (L)) -/******************************************************************//** -Low-level function which tries to lock an rw-lock in s-mode. Performs no -spinning. -@return TRUE if success */ -UNIV_INLINE -ibool -rw_lock_s_lock_low( -/*===============*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass __attribute__((unused)), - /*!< in: pass value; != 0, if the lock will be - passed to another thread to unlock */ - const char* file_name, /*!< in: file name where lock requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function, except if -you supply the file name and line number. Lock an rw-lock in shared mode -for the current thread. If the rw-lock is locked in exclusive mode, or -there is an exclusive lock request waiting, the function spins a preset -time (controlled by SYNC_SPIN_ROUNDS), waiting for the lock, before -suspending the thread. */ -UNIV_INLINE -void -rw_lock_s_lock_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in exclusive mode for the current thread if the lock can be -obtained immediately. -@return TRUE if success */ -UNIV_INLINE -ibool -rw_lock_x_lock_func_nowait( -/*=======================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -Releases a shared mode lock. */ -UNIV_INLINE -void -rw_lock_s_unlock_func( -/*==================*/ -#ifdef UNIV_SYNC_DEBUG - ulint pass, /*!< in: pass value; != 0, if the lock may have - been passed to another thread to unlock */ -#endif - rw_lock_t* lock); /*!< in/out: rw-lock */ - -#ifdef UNIV_SYNC_DEBUG -# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) -#else -# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) -#endif -/*******************************************************************//** -Releases a shared mode lock. */ -#define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) - -/**************************************************************//** -NOTE! The following macro should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock(M) rw_lock_x_lock_func(\ - (M), 0, __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macro should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock_gen(M, P) rw_lock_x_lock_func(\ - (M), (P), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock_nowait(M) rw_lock_x_lock_func_nowait(\ - (M), __FILE__, __LINE__) -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in exclusive mode for the current thread. If the rw-lock is locked -in shared or exclusive mode, or there is an exclusive lock request waiting, -the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting -for the lock, before suspending the thread. If the same thread has an x-lock -on the rw-lock, locking succeed, with the following exception: if pass != 0, -only a single x-lock may be taken on the lock. NOTE: If the same thread has -an s-lock, locking does not succeed! */ -UNIV_INTERN -void -rw_lock_x_lock_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -Releases an exclusive mode lock. */ -UNIV_INLINE -void -rw_lock_x_unlock_func( -/*==================*/ -#ifdef UNIV_SYNC_DEBUG - ulint pass, /*!< in: pass value; != 0, if the lock may have - been passed to another thread to unlock */ -#endif - rw_lock_t* lock); /*!< in/out: rw-lock */ - -#ifdef UNIV_SYNC_DEBUG -# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) -#else -# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) -#endif -/*******************************************************************//** -Releases an exclusive mode lock. */ -#define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) - -/******************************************************************//** -Low-level function which locks an rw-lock in s-mode when we know that it -is possible and none else is currently accessing the rw-lock structure. -Then we can do the locking without reserving the mutex. */ -UNIV_INLINE -void -rw_lock_s_lock_direct( -/*==================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - const char* file_name, /*!< in: file name where requested */ - ulint line); /*!< in: line where lock requested */ -/******************************************************************//** -Low-level function which locks an rw-lock in x-mode when we know that it -is not locked and none else is currently accessing the rw-lock structure. -Then we can do the locking without reserving the mutex. */ -UNIV_INLINE -void -rw_lock_x_lock_direct( -/*==================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - const char* file_name, /*!< in: file name where requested */ - ulint line); /*!< in: line where lock requested */ -/******************************************************************//** -This function is used in the insert buffer to move the ownership of an -x-latch on a buffer frame to the current thread. The x-latch was set by -the buffer read operation and it protected the buffer frame while the -read was done. The ownership is moved because we want that the current -thread is able to acquire a second x-latch which is stored in an mtr. -This, in turn, is needed to pass the debug checks of index page -operations. */ -UNIV_INTERN -void -rw_lock_x_lock_move_ownership( -/*==========================*/ - rw_lock_t* lock); /*!< in: lock which was x-locked in the - buffer read */ -/******************************************************************//** -Releases a shared mode lock when we know there are no waiters and none -else will access the lock during the time this function is executed. */ -UNIV_INLINE -void -rw_lock_s_unlock_direct( -/*====================*/ - rw_lock_t* lock); /*!< in/out: rw-lock */ -/******************************************************************//** -Releases an exclusive mode lock when we know there are no waiters, and -none else will access the lock durint the time this function is executed. */ -UNIV_INLINE -void -rw_lock_x_unlock_direct( -/*====================*/ - rw_lock_t* lock); /*!< in/out: rw-lock */ -/******************************************************************//** -Returns the value of writer_count for the lock. Does not reserve the lock -mutex, so the caller must be sure it is not changed during the call. -@return value of writer_count */ -UNIV_INLINE -ulint -rw_lock_get_x_lock_count( -/*=====================*/ - const rw_lock_t* lock); /*!< in: rw-lock */ -/********************************************************************//** -Check if there are threads waiting for the rw-lock. -@return 1 if waiters, 0 otherwise */ -UNIV_INLINE -ulint -rw_lock_get_waiters( -/*================*/ - const rw_lock_t* lock); /*!< in: rw-lock */ -/******************************************************************//** -Returns the write-status of the lock - this function made more sense -with the old rw_lock implementation. -@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ -UNIV_INLINE -ulint -rw_lock_get_writer( -/*===============*/ - const rw_lock_t* lock); /*!< in: rw-lock */ -/******************************************************************//** -Returns the number of readers. -@return number of readers */ -UNIV_INLINE -ulint -rw_lock_get_reader_count( -/*=====================*/ - const rw_lock_t* lock); /*!< in: rw-lock */ -/******************************************************************//** -Decrements lock_word the specified amount if it is greater than 0. -This is used by both s_lock and x_lock operations. -@return TRUE if decr occurs */ -UNIV_INLINE -ibool -rw_lock_lock_word_decr( -/*===================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - ulint amount); /*!< in: amount to decrement */ -/******************************************************************//** -Increments lock_word the specified amount and returns new value. -@return lock->lock_word after increment */ -UNIV_INLINE -lint -rw_lock_lock_word_incr( -/*===================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - ulint amount); /*!< in: amount to increment */ -/******************************************************************//** -This function sets the lock->writer_thread and lock->recursive fields. -For platforms where we are using atomic builtins instead of lock->mutex -it sets the lock->writer_thread field using atomics to ensure memory -ordering. Note that it is assumed that the caller of this function -effectively owns the lock i.e.: nobody else is allowed to modify -lock->writer_thread at this point in time. -The protocol is that lock->writer_thread MUST be updated BEFORE the -lock->recursive flag is set. */ -UNIV_INLINE -void -rw_lock_set_writer_id_and_recursion_flag( -/*=====================================*/ - rw_lock_t* lock, /*!< in/out: lock to work on */ - ibool recursive); /*!< in: TRUE if recursion - allowed */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Checks if the thread has locked the rw-lock in the specified mode, with -the pass value == 0. */ -UNIV_INTERN -ibool -rw_lock_own( -/*========*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, - RW_LOCK_EX */ -#endif /* UNIV_SYNC_DEBUG */ -/******************************************************************//** -Checks if somebody has locked the rw-lock in the specified mode. */ -UNIV_INTERN -ibool -rw_lock_is_locked( -/*==============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, - RW_LOCK_EX */ -#ifdef UNIV_SYNC_DEBUG -/***************************************************************//** -Prints debug info of an rw-lock. */ -UNIV_INTERN -void -rw_lock_print( -/*==========*/ - rw_lock_t* lock); /*!< in: rw-lock */ -/***************************************************************//** -Prints debug info of currently locked rw-locks. */ -UNIV_INTERN -void -rw_lock_list_print_info( -/*====================*/ - FILE* file); /*!< in: file where to print */ -/***************************************************************//** -Returns the number of currently locked rw-locks. -Works only in the debug version. -@return number of locked rw-locks */ -UNIV_INTERN -ulint -rw_lock_n_locked(void); -/*==================*/ - -/*#####################################################################*/ - -/******************************************************************//** -Acquires the debug mutex. We cannot use the mutex defined in sync0sync, -because the debug mutex is also acquired in sync0arr while holding the OS -mutex protecting the sync array, and the ordinary mutex_enter might -recursively call routines in sync0arr, leading to a deadlock on the OS -mutex. */ -UNIV_INTERN -void -rw_lock_debug_mutex_enter(void); -/*==========================*/ -/******************************************************************//** -Releases the debug mutex. */ -UNIV_INTERN -void -rw_lock_debug_mutex_exit(void); -/*==========================*/ -/*********************************************************************//** -Prints info of a debug struct. */ -UNIV_INTERN -void -rw_lock_debug_print( -/*================*/ - rw_lock_debug_t* info); /*!< in: debug struct */ -#endif /* UNIV_SYNC_DEBUG */ - -/* NOTE! The structure appears here only for the compiler to know its size. -Do not use its fields directly! */ - -/** The structure used in the spin lock implementation of a read-write -lock. Several threads may have a shared lock simultaneously in this -lock, but only one writer may have an exclusive lock, in which case no -shared locks are allowed. To prevent starving of a writer blocked by -readers, a writer may queue for x-lock by decrementing lock_word: no -new readers will be let in while the thread waits for readers to -exit. */ -struct rw_lock_struct { - volatile lint lock_word; - /*!< Holds the state of the lock. */ - volatile ulint waiters;/*!< 1: there are waiters */ - volatile ibool recursive;/*!< Default value FALSE which means the lock - is non-recursive. The value is typically set - to TRUE making normal rw_locks recursive. In - case of asynchronous IO, when a non-zero - value of 'pass' is passed then we keep the - lock non-recursive. - This flag also tells us about the state of - writer_thread field. If this flag is set - then writer_thread MUST contain the thread - id of the current x-holder or wait-x thread. - This flag must be reset in x_unlock - functions before incrementing the lock_word */ - volatile os_thread_id_t writer_thread; - /*!< Thread id of writer thread. Is only - guaranteed to have sane and non-stale - value iff recursive flag is set. */ - os_event_t event; /*!< Used by sync0arr.c for thread queueing */ - os_event_t wait_ex_event; - /*!< Event for next-writer to wait on. A thread - must decrement lock_word before waiting. */ -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_t mutex; /*!< The mutex protecting rw_lock_struct */ -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ - - UT_LIST_NODE_T(rw_lock_t) list; - /*!< All allocated rw locks are put into a - list */ -#ifdef UNIV_SYNC_DEBUG - UT_LIST_BASE_NODE_T(rw_lock_debug_t) debug_list; - /*!< In the debug version: pointer to the debug - info list of the lock */ - ulint level; /*!< Level in the global latching order. */ -#endif /* UNIV_SYNC_DEBUG */ - ulint count_os_wait; /*!< Count of os_waits. May not be accurate */ - const char* cfile_name;/*!< File name where lock created */ - /* last s-lock file/line is not guaranteed to be correct */ - const char* last_s_file_name;/*!< File name where last s-locked */ - const char* last_x_file_name;/*!< File name where last x-locked */ - ibool writer_is_wait_ex; - /*!< This is TRUE if the writer field is - RW_LOCK_WAIT_EX; this field is located far - from the memory update hotspot fields which - are at the start of this struct, thus we can - peek this field without causing much memory - bus traffic */ - unsigned cline:14; /*!< Line where created */ - unsigned last_s_line:14; /*!< Line number where last time s-locked */ - unsigned last_x_line:14; /*!< Line number where last time x-locked */ - ulint magic_n; /*!< RW_LOCK_MAGIC_N */ -}; - -/** Value of rw_lock_struct::magic_n */ -#define RW_LOCK_MAGIC_N 22643 - -#ifdef UNIV_SYNC_DEBUG -/** The structure for storing debug info of an rw-lock */ -struct rw_lock_debug_struct { - - os_thread_id_t thread_id; /*!< The thread id of the thread which - locked the rw-lock */ - ulint pass; /*!< Pass value given in the lock operation */ - ulint lock_type; /*!< Type of the lock: RW_LOCK_EX, - RW_LOCK_SHARED, RW_LOCK_WAIT_EX */ - const char* file_name;/*!< File name where the lock was obtained */ - ulint line; /*!< Line where the rw-lock was locked */ - UT_LIST_NODE_T(rw_lock_debug_t) list; - /*!< Debug structs are linked in a two-way - list */ -}; -#endif /* UNIV_SYNC_DEBUG */ - -#ifndef UNIV_NONINL -#include "sync0rw.ic" -#endif -#endif /* !UNIV_HOTBACKUP */ - -#endif diff --git a/perfschema/include/sync0rw.ic b/perfschema/include/sync0rw.ic deleted file mode 100644 index 7116f1b7c9b..00000000000 --- a/perfschema/include/sync0rw.ic +++ /dev/null @@ -1,624 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0rw.ic -The read-write lock (for threads) - -Created 9/11/1995 Heikki Tuuri -*******************************************************/ - -/******************************************************************//** -Lock an rw-lock in shared mode for the current thread. If the rw-lock is -locked in exclusive mode, or there is an exclusive lock request waiting, -the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), -waiting for the lock before suspending the thread. */ -UNIV_INTERN -void -rw_lock_s_lock_spin( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line); /*!< in: line where requested */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Inserts the debug information for an rw-lock. */ -UNIV_INTERN -void -rw_lock_add_debug_info( -/*===================*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint pass, /*!< in: pass value */ - ulint lock_type, /*!< in: lock type */ - const char* file_name, /*!< in: file where requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -Removes a debug information struct for an rw-lock. */ -UNIV_INTERN -void -rw_lock_remove_debug_info( -/*======================*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint pass, /*!< in: pass value */ - ulint lock_type); /*!< in: lock type */ -#endif /* UNIV_SYNC_DEBUG */ - -/********************************************************************//** -Check if there are threads waiting for the rw-lock. -@return 1 if waiters, 0 otherwise */ -UNIV_INLINE -ulint -rw_lock_get_waiters( -/*================*/ - const rw_lock_t* lock) /*!< in: rw-lock */ -{ - return(lock->waiters); -} - -/********************************************************************//** -Sets lock->waiters to 1. It is not an error if lock->waiters is already -1. On platforms where ATOMIC builtins are used this function enforces a -memory barrier. */ -UNIV_INLINE -void -rw_lock_set_waiter_flag( -/*====================*/ - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap_ulint(&lock->waiters, 0, 1); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ - lock->waiters = 1; -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -} - -/********************************************************************//** -Resets lock->waiters to 0. It is not an error if lock->waiters is already -0. On platforms where ATOMIC builtins are used this function enforces a -memory barrier. */ -UNIV_INLINE -void -rw_lock_reset_waiter_flag( -/*======================*/ - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_compare_and_swap_ulint(&lock->waiters, 1, 0); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ - lock->waiters = 0; -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -} - -/******************************************************************//** -Returns the write-status of the lock - this function made more sense -with the old rw_lock implementation. -@return RW_LOCK_NOT_LOCKED, RW_LOCK_EX, RW_LOCK_WAIT_EX */ -UNIV_INLINE -ulint -rw_lock_get_writer( -/*===============*/ - const rw_lock_t* lock) /*!< in: rw-lock */ -{ - lint lock_word = lock->lock_word; - if (lock_word > 0) { - /* return NOT_LOCKED in s-lock state, like the writer - member of the old lock implementation. */ - return(RW_LOCK_NOT_LOCKED); - } else if (((-lock_word) % X_LOCK_DECR) == 0) { - return(RW_LOCK_EX); - } else { - ut_ad(lock_word > -X_LOCK_DECR); - return(RW_LOCK_WAIT_EX); - } -} - -/******************************************************************//** -Returns the number of readers. -@return number of readers */ -UNIV_INLINE -ulint -rw_lock_get_reader_count( -/*=====================*/ - const rw_lock_t* lock) /*!< in: rw-lock */ -{ - lint lock_word = lock->lock_word; - if (lock_word > 0) { - /* s-locked, no x-waiters */ - return(X_LOCK_DECR - lock_word); - } else if (lock_word < 0 && lock_word > -X_LOCK_DECR) { - /* s-locked, with x-waiters */ - return((ulint)(-lock_word)); - } - return(0); -} - -#ifndef INNODB_RW_LOCKS_USE_ATOMICS -UNIV_INLINE -mutex_t* -rw_lock_get_mutex( -/*==============*/ - rw_lock_t* lock) -{ - return(&(lock->mutex)); -} -#endif - -/******************************************************************//** -Returns the value of writer_count for the lock. Does not reserve the lock -mutex, so the caller must be sure it is not changed during the call. -@return value of writer_count */ -UNIV_INLINE -ulint -rw_lock_get_x_lock_count( -/*=====================*/ - const rw_lock_t* lock) /*!< in: rw-lock */ -{ - lint lock_copy = lock->lock_word; - /* If there is a reader, lock_word is not divisible by X_LOCK_DECR */ - if (lock_copy > 0 || (-lock_copy) % X_LOCK_DECR != 0) { - return(0); - } - return(((-lock_copy) / X_LOCK_DECR) + 1); -} - -/******************************************************************//** -Two different implementations for decrementing the lock_word of a rw_lock: -one for systems supporting atomic operations, one for others. This does -does not support recusive x-locks: they should be handled by the caller and -need not be atomic since they are performed by the current lock holder. -Returns true if the decrement was made, false if not. -@return TRUE if decr occurs */ -UNIV_INLINE -ibool -rw_lock_lock_word_decr( -/*===================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - ulint amount) /*!< in: amount to decrement */ -{ -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - lint local_lock_word = lock->lock_word; - while (local_lock_word > 0) { - if (os_compare_and_swap_lint(&lock->lock_word, - local_lock_word, - local_lock_word - amount)) { - return(TRUE); - } - local_lock_word = lock->lock_word; - } - return(FALSE); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ - ibool success = FALSE; - mutex_enter(&(lock->mutex)); - if (lock->lock_word > 0) { - lock->lock_word -= amount; - success = TRUE; - } - mutex_exit(&(lock->mutex)); - return(success); -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -} - -/******************************************************************//** -Increments lock_word the specified amount and returns new value. -@return lock->lock_word after increment */ -UNIV_INLINE -lint -rw_lock_lock_word_incr( -/*===================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - ulint amount) /*!< in: amount of increment */ -{ -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - return(os_atomic_increment_lint(&lock->lock_word, amount)); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ - lint local_lock_word; - - mutex_enter(&(lock->mutex)); - - lock->lock_word += amount; - local_lock_word = lock->lock_word; - - mutex_exit(&(lock->mutex)); - - return(local_lock_word); -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -} - -/******************************************************************//** -This function sets the lock->writer_thread and lock->recursive fields. -For platforms where we are using atomic builtins instead of lock->mutex -it sets the lock->writer_thread field using atomics to ensure memory -ordering. Note that it is assumed that the caller of this function -effectively owns the lock i.e.: nobody else is allowed to modify -lock->writer_thread at this point in time. -The protocol is that lock->writer_thread MUST be updated BEFORE the -lock->recursive flag is set. */ -UNIV_INLINE -void -rw_lock_set_writer_id_and_recursion_flag( -/*=====================================*/ - rw_lock_t* lock, /*!< in/out: lock to work on */ - ibool recursive) /*!< in: TRUE if recursion - allowed */ -{ - os_thread_id_t curr_thread = os_thread_get_curr_id(); - -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - os_thread_id_t local_thread; - ibool success; - - /* Prevent Valgrind warnings about writer_thread being - uninitialized. It does not matter if writer_thread is - uninitialized, because we are comparing writer_thread against - itself, and the operation should always succeed. */ - UNIV_MEM_VALID(&lock->writer_thread, sizeof lock->writer_thread); - - local_thread = lock->writer_thread; - success = os_compare_and_swap_thread_id( - &lock->writer_thread, local_thread, curr_thread); - ut_a(success); - lock->recursive = recursive; - -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ - - mutex_enter(&lock->mutex); - lock->writer_thread = curr_thread; - lock->recursive = recursive; - mutex_exit(&lock->mutex); - -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ -} - -/******************************************************************//** -Low-level function which tries to lock an rw-lock in s-mode. Performs no -spinning. -@return TRUE if success */ -UNIV_INLINE -ibool -rw_lock_s_lock_low( -/*===============*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass __attribute__((unused)), - /*!< in: pass value; != 0, if the lock will be - passed to another thread to unlock */ - const char* file_name, /*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ - if (!rw_lock_lock_word_decr(lock, 1)) { - /* Locking did not succeed */ - return(FALSE); - } - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_SHARED, file_name, line); -#endif - /* These debugging values are not set safely: they may be incorrect - or even refer to a line that is invalid for the file name. */ - lock->last_s_file_name = file_name; - lock->last_s_line = line; - - return(TRUE); /* locking succeeded */ -} - -/******************************************************************//** -Low-level function which locks an rw-lock in s-mode when we know that it -is possible and none else is currently accessing the rw-lock structure. -Then we can do the locking without reserving the mutex. */ -UNIV_INLINE -void -rw_lock_s_lock_direct( -/*==================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - const char* file_name, /*!< in: file name where requested */ - ulint line) /*!< in: line where lock requested */ -{ - ut_ad(lock->lock_word == X_LOCK_DECR); - - /* Indicate there is a new reader by decrementing lock_word */ - lock->lock_word--; - - lock->last_s_file_name = file_name; - lock->last_s_line = line; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, 0, RW_LOCK_SHARED, file_name, line); -#endif -} - -/******************************************************************//** -Low-level function which locks an rw-lock in x-mode when we know that it -is not locked and none else is currently accessing the rw-lock structure. -Then we can do the locking without reserving the mutex. */ -UNIV_INLINE -void -rw_lock_x_lock_direct( -/*==================*/ - rw_lock_t* lock, /*!< in/out: rw-lock */ - const char* file_name, /*!< in: file name where requested */ - ulint line) /*!< in: line where lock requested */ -{ - ut_ad(rw_lock_validate(lock)); - ut_ad(lock->lock_word == X_LOCK_DECR); - - lock->lock_word -= X_LOCK_DECR; - lock->writer_thread = os_thread_get_curr_id(); - lock->recursive = TRUE; - - lock->last_x_file_name = file_name; - lock->last_x_line = line; - -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); -#endif -} - -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in shared mode for the current thread. If the rw-lock is locked -in exclusive mode, or there is an exclusive lock request waiting, the -function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for -the lock, before suspending the thread. */ -UNIV_INLINE -void -rw_lock_s_lock_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - /* NOTE: As we do not know the thread ids for threads which have - s-locked a latch, and s-lockers will be served only after waiting - x-lock requests have been fulfilled, then if this thread already - owns an s-lock here, it may end up in a deadlock with another thread - which requests an x-lock here. Therefore, we will forbid recursive - s-locking of a latch: the following assert will warn the programmer - of the possibility of this kind of a deadlock. If we want to implement - safe recursive s-locking, we should keep in a list the thread ids of - the threads which have s-locked a latch. This would use some CPU - time. */ - -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(lock, RW_LOCK_SHARED)); /* see NOTE above */ -#endif /* UNIV_SYNC_DEBUG */ - - /* TODO: study performance of UNIV_LIKELY branch prediction hints. */ - if (rw_lock_s_lock_low(lock, pass, file_name, line)) { - - return; /* Success */ - } else { - /* Did not succeed, try spin wait */ - - rw_lock_s_lock_spin(lock, pass, file_name, line); - - return; - } -} - -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in exclusive mode for the current thread if the lock can be -obtained immediately. -@return TRUE if success */ -UNIV_INLINE -ibool -rw_lock_x_lock_func_nowait( -/*=======================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - os_thread_id_t curr_thread = os_thread_get_curr_id(); - - ibool success; - -#ifdef INNODB_RW_LOCKS_USE_ATOMICS - success = os_compare_and_swap_lint(&lock->lock_word, X_LOCK_DECR, 0); -#else - - success = FALSE; - mutex_enter(&(lock->mutex)); - if (lock->lock_word == X_LOCK_DECR) { - lock->lock_word = 0; - success = TRUE; - } - mutex_exit(&(lock->mutex)); - -#endif - if (success) { - rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); - - } else if (lock->recursive - && os_thread_eq(lock->writer_thread, curr_thread)) { - /* Relock: this lock_word modification is safe since no other - threads can modify (lock, unlock, or reserve) lock_word while - there is an exclusive writer and this is the writer thread. */ - lock->lock_word -= X_LOCK_DECR; - - ut_ad(((-lock->lock_word) % X_LOCK_DECR) == 0); - - } else { - /* Failure */ - return(FALSE); - } -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, 0, RW_LOCK_EX, file_name, line); -#endif - - lock->last_x_file_name = file_name; - lock->last_x_line = line; - - ut_ad(rw_lock_validate(lock)); - - return(TRUE); -} - -/******************************************************************//** -Releases a shared mode lock. */ -UNIV_INLINE -void -rw_lock_s_unlock_func( -/*==================*/ -#ifdef UNIV_SYNC_DEBUG - ulint pass, /*!< in: pass value; != 0, if the lock may have - been passed to another thread to unlock */ -#endif - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ - ut_ad((lock->lock_word % X_LOCK_DECR) != 0); - -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, pass, RW_LOCK_SHARED); -#endif - - /* Increment lock_word to indicate 1 less reader */ - if (rw_lock_lock_word_incr(lock, 1) == 0) { - - /* wait_ex waiter exists. It may not be asleep, but we signal - anyway. We do not wake other waiters, because they can't - exist without wait_ex waiter and wait_ex waiter goes first.*/ - os_event_set(lock->wait_ex_event); - sync_array_object_signalled(sync_primary_wait_array); - - } - - ut_ad(rw_lock_validate(lock)); - -#ifdef UNIV_SYNC_PERF_STAT - rw_s_exit_count++; -#endif -} - -/******************************************************************//** -Releases a shared mode lock when we know there are no waiters and none -else will access the lock during the time this function is executed. */ -UNIV_INLINE -void -rw_lock_s_unlock_direct( -/*====================*/ - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ - ut_ad(lock->lock_word < X_LOCK_DECR); - -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, 0, RW_LOCK_SHARED); -#endif - - /* Decrease reader count by incrementing lock_word */ - lock->lock_word++; - - ut_ad(!lock->waiters); - ut_ad(rw_lock_validate(lock)); -#ifdef UNIV_SYNC_PERF_STAT - rw_s_exit_count++; -#endif -} - -/******************************************************************//** -Releases an exclusive mode lock. */ -UNIV_INLINE -void -rw_lock_x_unlock_func( -/*==================*/ -#ifdef UNIV_SYNC_DEBUG - ulint pass, /*!< in: pass value; != 0, if the lock may have - been passed to another thread to unlock */ -#endif - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ - ut_ad((lock->lock_word % X_LOCK_DECR) == 0); - - /* lock->recursive flag also indicates if lock->writer_thread is - valid or stale. If we are the last of the recursive callers - then we must unset lock->recursive flag to indicate that the - lock->writer_thread is now stale. - Note that since we still hold the x-lock we can safely read the - lock_word. */ - if (lock->lock_word == 0) { - /* Last caller in a possible recursive chain. */ - lock->recursive = FALSE; - UNIV_MEM_INVALID(&lock->writer_thread, - sizeof lock->writer_thread); - } - -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, pass, RW_LOCK_EX); -#endif - - if (rw_lock_lock_word_incr(lock, X_LOCK_DECR) == X_LOCK_DECR) { - /* Lock is now free. May have to signal read/write waiters. - We do not need to signal wait_ex waiters, since they cannot - exist when there is a writer. */ - if (lock->waiters) { - rw_lock_reset_waiter_flag(lock); - os_event_set(lock->event); - sync_array_object_signalled(sync_primary_wait_array); - } - } - - ut_ad(rw_lock_validate(lock)); - -#ifdef UNIV_SYNC_PERF_STAT - rw_x_exit_count++; -#endif -} - -/******************************************************************//** -Releases an exclusive mode lock when we know there are no waiters, and -none else will access the lock during the time this function is executed. */ -UNIV_INLINE -void -rw_lock_x_unlock_direct( -/*====================*/ - rw_lock_t* lock) /*!< in/out: rw-lock */ -{ - /* Reset the exclusive lock if this thread no longer has an x-mode - lock */ - - ut_ad((lock->lock_word % X_LOCK_DECR) == 0); - -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, 0, RW_LOCK_EX); -#endif - - if (lock->lock_word == 0) { - lock->recursive = FALSE; - UNIV_MEM_INVALID(&lock->writer_thread, - sizeof lock->writer_thread); - } - - lock->lock_word += X_LOCK_DECR; - - ut_ad(!lock->waiters); - ut_ad(rw_lock_validate(lock)); - -#ifdef UNIV_SYNC_PERF_STAT - rw_x_exit_count++; -#endif -} diff --git a/perfschema/include/sync0sync.h b/perfschema/include/sync0sync.h deleted file mode 100644 index 09cab4ef4b7..00000000000 --- a/perfschema/include/sync0sync.h +++ /dev/null @@ -1,590 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0sync.h -Mutex, the basic synchronization primitive - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef sync0sync_h -#define sync0sync_h - -#include "univ.i" -#include "sync0types.h" -#include "ut0lst.h" -#include "ut0mem.h" -#include "os0thread.h" -#include "os0sync.h" -#include "sync0arr.h" - -#if defined(UNIV_DEBUG) && !defined(UNIV_HOTBACKUP) -extern my_bool timed_mutexes; -#endif /* UNIV_DEBUG && !UNIV_HOTBACKUP */ - -#ifdef HAVE_WINDOWS_ATOMICS -typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates - on LONG variable */ -#else -typedef byte lock_word_t; -#endif - -/******************************************************************//** -Initializes the synchronization data structures. */ -UNIV_INTERN -void -sync_init(void); -/*===========*/ -/******************************************************************//** -Frees the resources in synchronization data structures. */ -UNIV_INTERN -void -sync_close(void); -/*===========*/ -/******************************************************************//** -Creates, or rather, initializes a mutex object to a specified memory -location (which must be appropriately aligned). The mutex is initialized -in the reset state. Explicit freeing of the mutex with mutex_free is -necessary only if the memory block containing it is freed. */ - -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG -# define mutex_create(M, level) \ - mutex_create_func((M), #M, (level), __FILE__, __LINE__) -# else -# define mutex_create(M, level) \ - mutex_create_func((M), #M, __FILE__, __LINE__) -# endif -#else -# define mutex_create(M, level) \ - mutex_create_func((M), __FILE__, __LINE__) -#endif - -/******************************************************************//** -Creates, or rather, initializes a mutex object in a specified memory -location (which must be appropriately aligned). The mutex is initialized -in the reset state. Explicit freeing of the mutex with mutex_free is -necessary only if the memory block containing it is freed. */ -UNIV_INTERN -void -mutex_create_func( -/*==============*/ - mutex_t* mutex, /*!< in: pointer to memory */ -#ifdef UNIV_DEBUG - const char* cmutex_name, /*!< in: mutex name */ -# ifdef UNIV_SYNC_DEBUG - ulint level, /*!< in: level */ -# endif /* UNIV_SYNC_DEBUG */ -#endif /* UNIV_DEBUG */ - const char* cfile_name, /*!< in: file name where created */ - ulint cline); /*!< in: file line where created */ - -#undef mutex_free /* Fix for MacOS X */ - -/******************************************************************//** -Calling this function is obligatory only if the memory buffer containing -the mutex is freed. Removes a mutex object from the mutex list. The mutex -is checked to be in the reset state. */ -UNIV_INTERN -void -mutex_free( -/*=======*/ - mutex_t* mutex); /*!< in: mutex */ -/**************************************************************//** -NOTE! The following macro should be used in mutex locking, not the -corresponding function. */ - -#define mutex_enter(M) mutex_enter_func((M), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macro should be used in mutex locking, not the -corresponding function. */ - -/* NOTE! currently same as mutex_enter! */ - -#define mutex_enter_fast(M) mutex_enter_func((M), __FILE__, __LINE__) -/******************************************************************//** -NOTE! Use the corresponding macro in the header file, not this function -directly. Locks a mutex for the current thread. If the mutex is reserved -the function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting -for the mutex before suspending the thread. */ -UNIV_INLINE -void -mutex_enter_func( -/*=============*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name, /*!< in: file name where locked */ - ulint line); /*!< in: line where locked */ -/**************************************************************//** -NOTE! The following macro should be used in mutex locking, not the -corresponding function. */ - -#define mutex_enter_nowait(M) \ - mutex_enter_nowait_func((M), __FILE__, __LINE__) -/********************************************************************//** -NOTE! Use the corresponding macro in the header file, not this function -directly. Tries to lock the mutex for the current thread. If the lock is not -acquired immediately, returns with return value 1. -@return 0 if succeed, 1 if not */ -UNIV_INTERN -ulint -mutex_enter_nowait_func( -/*====================*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name, /*!< in: file name where mutex - requested */ - ulint line); /*!< in: line where requested */ -/******************************************************************//** -Unlocks a mutex owned by the current thread. */ -UNIV_INLINE -void -mutex_exit( -/*=======*/ - mutex_t* mutex); /*!< in: pointer to mutex */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Returns TRUE if no mutex or rw-lock is currently locked. -Works only in the debug version. -@return TRUE if no mutexes and rw-locks reserved */ -UNIV_INTERN -ibool -sync_all_freed(void); -/*================*/ -#endif /* UNIV_SYNC_DEBUG */ -/*##################################################################### -FUNCTION PROTOTYPES FOR DEBUGGING */ -/*******************************************************************//** -Prints wait info of the sync system. */ -UNIV_INTERN -void -sync_print_wait_info( -/*=================*/ - FILE* file); /*!< in: file where to print */ -/*******************************************************************//** -Prints info of the sync system. */ -UNIV_INTERN -void -sync_print( -/*=======*/ - FILE* file); /*!< in: file where to print */ -#ifdef UNIV_DEBUG -/******************************************************************//** -Checks that the mutex has been initialized. -@return TRUE */ -UNIV_INTERN -ibool -mutex_validate( -/*===========*/ - const mutex_t* mutex); /*!< in: mutex */ -/******************************************************************//** -Checks that the current thread owns the mutex. Works only -in the debug version. -@return TRUE if owns */ -UNIV_INTERN -ibool -mutex_own( -/*======*/ - const mutex_t* mutex); /*!< in: mutex */ -#endif /* UNIV_DEBUG */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Adds a latch and its level in the thread level array. Allocates the memory -for the array if called first time for this OS thread. Makes the checks -against other latch levels stored in the array for this thread. */ -UNIV_INTERN -void -sync_thread_add_level( -/*==================*/ - void* latch, /*!< in: pointer to a mutex or an rw-lock */ - ulint level); /*!< in: level in the latching order; if - SYNC_LEVEL_VARYING, nothing is done */ -/******************************************************************//** -Removes a latch from the thread level array if it is found there. -@return TRUE if found in the array; it is no error if the latch is -not found, as we presently are not able to determine the level for -every latch reservation the program does */ -UNIV_INTERN -ibool -sync_thread_reset_level( -/*====================*/ - void* latch); /*!< in: pointer to a mutex or an rw-lock */ -/******************************************************************//** -Checks that the level array for the current thread is empty. -@return TRUE if empty */ -UNIV_INTERN -ibool -sync_thread_levels_empty(void); -/*==========================*/ -/******************************************************************//** -Checks if the level array for the current thread contains a -mutex or rw-latch at the specified level. -@return a matching latch, or NULL if not found */ -UNIV_INTERN -void* -sync_thread_levels_contains( -/*========================*/ - ulint level); /*!< in: latching order level - (SYNC_DICT, ...)*/ -/******************************************************************//** -Checks if the level array for the current thread is empty. -@return a latch, or NULL if empty except the exceptions specified below */ -UNIV_INTERN -void* -sync_thread_levels_nonempty_gen( -/*============================*/ - ibool dict_mutex_allowed); /*!< in: TRUE if dictionary mutex is - allowed to be owned by the thread, - also purge_is_running mutex is - allowed */ -#define sync_thread_levels_empty_gen(d) (!sync_thread_levels_nonempty_gen(d)) -/******************************************************************//** -Gets the debug information for a reserved mutex. */ -UNIV_INTERN -void -mutex_get_debug_info( -/*=================*/ - mutex_t* mutex, /*!< in: mutex */ - const char** file_name, /*!< out: file where requested */ - ulint* line, /*!< out: line where requested */ - os_thread_id_t* thread_id); /*!< out: id of the thread which owns - the mutex */ -/******************************************************************//** -Counts currently reserved mutexes. Works only in the debug version. -@return number of reserved mutexes */ -UNIV_INTERN -ulint -mutex_n_reserved(void); -/*==================*/ -#endif /* UNIV_SYNC_DEBUG */ -/******************************************************************//** -NOT to be used outside this module except in debugging! Gets the value -of the lock word. */ -UNIV_INLINE -lock_word_t -mutex_get_lock_word( -/*================*/ - const mutex_t* mutex); /*!< in: mutex */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -NOT to be used outside this module except in debugging! Gets the waiters -field in a mutex. -@return value to set */ -UNIV_INLINE -ulint -mutex_get_waiters( -/*==============*/ - const mutex_t* mutex); /*!< in: mutex */ -#endif /* UNIV_SYNC_DEBUG */ - -/* - LATCHING ORDER WITHIN THE DATABASE - ================================== - -The mutex or latch in the central memory object, for instance, a rollback -segment object, must be acquired before acquiring the latch or latches to -the corresponding file data structure. In the latching order below, these -file page object latches are placed immediately below the corresponding -central memory object latch or mutex. - -Synchronization object Notes ----------------------- ----- - -Dictionary mutex If we have a pointer to a dictionary -| object, e.g., a table, it can be -| accessed without reserving the -| dictionary mutex. We must have a -| reservation, a memoryfix, to the -| appropriate table object in this case, -| and the table must be explicitly -| released later. -V -Dictionary header -| -V -Secondary index tree latch The tree latch protects also all -| the B-tree non-leaf pages. These -V can be read with the page only -Secondary index non-leaf bufferfixed to save CPU time, -| no s-latch is needed on the page. -| Modification of a page requires an -| x-latch on the page, however. If a -| thread owns an x-latch to the tree, -| it is allowed to latch non-leaf pages -| even after it has acquired the fsp -| latch. -V -Secondary index leaf The latch on the secondary index leaf -| can be kept while accessing the -| clustered index, to save CPU time. -V -Clustered index tree latch To increase concurrency, the tree -| latch is usually released when the -| leaf page latch has been acquired. -V -Clustered index non-leaf -| -V -Clustered index leaf -| -V -Transaction system header -| -V -Transaction undo mutex The undo log entry must be written -| before any index page is modified. -| Transaction undo mutex is for the undo -| logs the analogue of the tree latch -| for a B-tree. If a thread has the -| trx undo mutex reserved, it is allowed -| to latch the undo log pages in any -| order, and also after it has acquired -| the fsp latch. -V -Rollback segment mutex The rollback segment mutex must be -| reserved, if, e.g., a new page must -| be added to an undo log. The rollback -| segment and the undo logs in its -| history list can be seen as an -| analogue of a B-tree, and the latches -| reserved similarly, using a version of -| lock-coupling. If an undo log must be -| extended by a page when inserting an -| undo log record, this corresponds to -| a pessimistic insert in a B-tree. -V -Rollback segment header -| -V -Purge system latch -| -V -Undo log pages If a thread owns the trx undo mutex, -| or for a log in the history list, the -| rseg mutex, it is allowed to latch -| undo log pages in any order, and even -| after it has acquired the fsp latch. -| If a thread does not have the -| appropriate mutex, it is allowed to -| latch only a single undo log page in -| a mini-transaction. -V -File space management latch If a mini-transaction must allocate -| several file pages, it can do that, -| because it keeps the x-latch to the -| file space management in its memo. -V -File system pages -| -V -Kernel mutex If a kernel operation needs a file -| page allocation, it must reserve the -| fsp x-latch before acquiring the kernel -| mutex. -V -Search system mutex -| -V -Buffer pool mutex -| -V -Log mutex -| -Any other latch -| -V -Memory pool mutex */ - -/* Latching order levels */ - -/* User transaction locks are higher than any of the latch levels below: -no latches are allowed when a thread goes to wait for a normal table -or row lock! */ -#define SYNC_USER_TRX_LOCK 9999 -#define SYNC_NO_ORDER_CHECK 3000 /* this can be used to suppress - latching order checking */ -#define SYNC_LEVEL_VARYING 2000 /* Level is varying. Only used with - buffer pool page locks, which do not - have a fixed level, but instead have - their level set after the page is - locked; see e.g. - ibuf_bitmap_get_map_page(). */ -#define SYNC_TRX_I_S_RWLOCK 1910 /* Used for - trx_i_s_cache_t::rw_lock */ -#define SYNC_TRX_I_S_LAST_READ 1900 /* Used for - trx_i_s_cache_t::last_read_mutex */ -#define SYNC_FILE_FORMAT_TAG 1200 /* Used to serialize access to the - file format tag */ -#define SYNC_DICT_OPERATION 1001 /* table create, drop, etc. reserve - this in X-mode, implicit or backround - operations purge, rollback, foreign - key checks reserve this in S-mode */ -#define SYNC_DICT 1000 -#define SYNC_DICT_AUTOINC_MUTEX 999 -#define SYNC_DICT_HEADER 995 -#define SYNC_IBUF_HEADER 914 -#define SYNC_IBUF_PESS_INSERT_MUTEX 912 -#define SYNC_IBUF_MUTEX 910 /* ibuf mutex is really below - SYNC_FSP_PAGE: we assign a value this - high only to make the program to pass - the debug checks */ -/*-------------------------------*/ -#define SYNC_INDEX_TREE 900 -#define SYNC_TREE_NODE_NEW 892 -#define SYNC_TREE_NODE_FROM_HASH 891 -#define SYNC_TREE_NODE 890 -#define SYNC_PURGE_SYS 810 -#define SYNC_PURGE_LATCH 800 -#define SYNC_TRX_UNDO 700 -#define SYNC_RSEG 600 -#define SYNC_RSEG_HEADER_NEW 591 -#define SYNC_RSEG_HEADER 590 -#define SYNC_TRX_UNDO_PAGE 570 -#define SYNC_EXTERN_STORAGE 500 -#define SYNC_FSP 400 -#define SYNC_FSP_PAGE 395 -/*------------------------------------- Insert buffer headers */ -/*------------------------------------- ibuf_mutex */ -/*------------------------------------- Insert buffer tree */ -#define SYNC_IBUF_BITMAP_MUTEX 351 -#define SYNC_IBUF_BITMAP 350 -/*------------------------------------- MySQL query cache mutex */ -/*------------------------------------- MySQL binlog mutex */ -/*-------------------------------*/ -#define SYNC_KERNEL 300 -#define SYNC_REC_LOCK 299 -#define SYNC_TRX_LOCK_HEAP 298 -#define SYNC_TRX_SYS_HEADER 290 -#define SYNC_LOG 170 -#define SYNC_RECV 168 -#define SYNC_WORK_QUEUE 162 -#define SYNC_SEARCH_SYS_CONF 161 /* for assigning btr_search_enabled */ -#define SYNC_SEARCH_SYS 160 /* NOTE that if we have a memory - heap that can be extended to the - buffer pool, its logical level is - SYNC_SEARCH_SYS, as memory allocation - can call routines there! Otherwise - the level is SYNC_MEM_HASH. */ -#define SYNC_BUF_POOL 150 /* Buffer pool mutex */ -#define SYNC_BUF_BLOCK 149 /* Block mutex */ -#define SYNC_BUF_FLUSH_LIST 145 /* Buffer flush list mutex */ -#define SYNC_DOUBLEWRITE 140 -#define SYNC_ANY_LATCH 135 -#define SYNC_THR_LOCAL 133 -#define SYNC_MEM_HASH 131 -#define SYNC_MEM_POOL 130 - -/* Codes used to designate lock operations */ -#define RW_LOCK_NOT_LOCKED 350 -#define RW_LOCK_EX 351 -#define RW_LOCK_EXCLUSIVE 351 -#define RW_LOCK_SHARED 352 -#define RW_LOCK_WAIT_EX 353 -#define SYNC_MUTEX 354 - -/* NOTE! The structure appears here only for the compiler to know its size. -Do not use its fields directly! The structure used in the spin lock -implementation of a mutual exclusion semaphore. */ - -/** InnoDB mutex */ -struct mutex_struct { - os_event_t event; /*!< Used by sync0arr.c for the wait queue */ - volatile lock_word_t lock_word; /*!< lock_word is the target - of the atomic test-and-set instruction when - atomic operations are enabled. */ - -#if !defined(HAVE_ATOMIC_BUILTINS) - os_fast_mutex_t - os_fast_mutex; /*!< We use this OS mutex in place of lock_word - when atomic operations are not enabled */ -#endif - ulint waiters; /*!< This ulint is set to 1 if there are (or - may be) threads waiting in the global wait - array for this mutex to be released. - Otherwise, this is 0. */ - UT_LIST_NODE_T(mutex_t) list; /*!< All allocated mutexes are put into - a list. Pointers to the next and prev. */ -#ifdef UNIV_SYNC_DEBUG - const char* file_name; /*!< File where the mutex was locked */ - ulint line; /*!< Line where the mutex was locked */ - ulint level; /*!< Level in the global latching order */ -#endif /* UNIV_SYNC_DEBUG */ - const char* cfile_name;/*!< File name where mutex created */ - ulint cline; /*!< Line where created */ -#ifdef UNIV_DEBUG - os_thread_id_t thread_id; /*!< The thread id of the thread - which locked the mutex. */ - ulint magic_n; /*!< MUTEX_MAGIC_N */ -/** Value of mutex_struct::magic_n */ -# define MUTEX_MAGIC_N (ulint)979585 -#endif /* UNIV_DEBUG */ - ulong count_os_wait; /*!< count of os_wait */ -#ifdef UNIV_DEBUG - ulong count_using; /*!< count of times mutex used */ - ulong count_spin_loop; /*!< count of spin loops */ - ulong count_spin_rounds;/*!< count of spin rounds */ - ulong count_os_yield; /*!< count of os_wait */ - ulonglong lspent_time; /*!< mutex os_wait timer msec */ - ulonglong lmax_spent_time;/*!< mutex os_wait timer msec */ - const char* cmutex_name; /*!< mutex name */ - ulint mutex_type; /*!< 0=usual mutex, 1=rw_lock mutex */ -#endif /* UNIV_DEBUG */ -}; - -/** The global array of wait cells for implementation of the databases own -mutexes and read-write locks. */ -extern sync_array_t* sync_primary_wait_array;/* Appears here for - debugging purposes only! */ - -/** Constant determining how long spin wait is continued before suspending -the thread. A value 600 rounds on a 1995 100 MHz Pentium seems to correspond -to 20 microseconds. */ - -#define SYNC_SPIN_ROUNDS srv_n_spin_wait_rounds - -/** The number of mutex_exit calls. Intended for performance monitoring. */ -extern ib_int64_t mutex_exit_count; - -#ifdef UNIV_SYNC_DEBUG -/** Latching order checks start when this is set TRUE */ -extern ibool sync_order_checks_on; -#endif /* UNIV_SYNC_DEBUG */ - -/** This variable is set to TRUE when sync_init is called */ -extern ibool sync_initialized; - -/** Global list of database mutexes (not OS mutexes) created. */ -typedef UT_LIST_BASE_NODE_T(mutex_t) ut_list_base_node_t; -/** Global list of database mutexes (not OS mutexes) created. */ -extern ut_list_base_node_t mutex_list; - -/** Mutex protecting the mutex_list variable */ -extern mutex_t mutex_list_mutex; - - -#ifndef UNIV_NONINL -#include "sync0sync.ic" -#endif - -#endif diff --git a/perfschema/include/sync0sync.ic b/perfschema/include/sync0sync.ic deleted file mode 100644 index b05020b5660..00000000000 --- a/perfschema/include/sync0sync.ic +++ /dev/null @@ -1,222 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0sync.ic -Mutex, the basic synchronization primitive - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -/******************************************************************//** -Sets the waiters field in a mutex. */ -UNIV_INTERN -void -mutex_set_waiters( -/*==============*/ - mutex_t* mutex, /*!< in: mutex */ - ulint n); /*!< in: value to set */ -/******************************************************************//** -Reserves a mutex for the current thread. If the mutex is reserved, the -function spins a preset time (controlled by SYNC_SPIN_ROUNDS) waiting -for the mutex before suspending the thread. */ -UNIV_INTERN -void -mutex_spin_wait( -/*============*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name, /*!< in: file name where mutex - requested */ - ulint line); /*!< in: line where requested */ -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Sets the debug information for a reserved mutex. */ -UNIV_INTERN -void -mutex_set_debug_info( -/*=================*/ - mutex_t* mutex, /*!< in: mutex */ - const char* file_name, /*!< in: file where requested */ - ulint line); /*!< in: line where requested */ -#endif /* UNIV_SYNC_DEBUG */ -/******************************************************************//** -Releases the threads waiting in the primary wait array for this mutex. */ -UNIV_INTERN -void -mutex_signal_object( -/*================*/ - mutex_t* mutex); /*!< in: mutex */ - -/******************************************************************//** -Performs an atomic test-and-set instruction to the lock_word field of a -mutex. -@return the previous value of lock_word: 0 or 1 */ -UNIV_INLINE -byte -mutex_test_and_set( -/*===============*/ - mutex_t* mutex) /*!< in: mutex */ -{ -#if defined(HAVE_ATOMIC_BUILTINS) - return(os_atomic_test_and_set_byte(&mutex->lock_word, 1)); -#else - ibool ret; - - ret = os_fast_mutex_trylock(&(mutex->os_fast_mutex)); - - if (ret == 0) { - /* We check that os_fast_mutex_trylock does not leak - and allow race conditions */ - ut_a(mutex->lock_word == 0); - - mutex->lock_word = 1; - } - - return((byte)ret); -#endif -} - -/******************************************************************//** -Performs a reset instruction to the lock_word field of a mutex. This -instruction also serializes memory operations to the program order. */ -UNIV_INLINE -void -mutex_reset_lock_word( -/*==================*/ - mutex_t* mutex) /*!< in: mutex */ -{ -#if defined(HAVE_ATOMIC_BUILTINS) - /* In theory __sync_lock_release should be used to release the lock. - Unfortunately, it does not work properly alone. The workaround is - that more conservative __sync_lock_test_and_set is used instead. */ - os_atomic_test_and_set_byte(&mutex->lock_word, 0); -#else - mutex->lock_word = 0; - - os_fast_mutex_unlock(&(mutex->os_fast_mutex)); -#endif -} - -/******************************************************************//** -Gets the value of the lock word. */ -UNIV_INLINE -lock_word_t -mutex_get_lock_word( -/*================*/ - const mutex_t* mutex) /*!< in: mutex */ -{ - ut_ad(mutex); - - return(mutex->lock_word); -} - -/******************************************************************//** -Gets the waiters field in a mutex. -@return value to set */ -UNIV_INLINE -ulint -mutex_get_waiters( -/*==============*/ - const mutex_t* mutex) /*!< in: mutex */ -{ - const volatile ulint* ptr; /*!< declared volatile to ensure that - the value is read from memory */ - ut_ad(mutex); - - ptr = &(mutex->waiters); - - return(*ptr); /* Here we assume that the read of a single - word from memory is atomic */ -} - -/******************************************************************//** -Unlocks a mutex owned by the current thread. */ -UNIV_INLINE -void -mutex_exit( -/*=======*/ - mutex_t* mutex) /*!< in: pointer to mutex */ -{ - ut_ad(mutex_own(mutex)); - - ut_d(mutex->thread_id = (os_thread_id_t) ULINT_UNDEFINED); - -#ifdef UNIV_SYNC_DEBUG - sync_thread_reset_level(mutex); -#endif - mutex_reset_lock_word(mutex); - - /* A problem: we assume that mutex_reset_lock word - is a memory barrier, that is when we read the waiters - field next, the read must be serialized in memory - after the reset. A speculative processor might - perform the read first, which could leave a waiting - thread hanging indefinitely. - - Our current solution call every second - sync_arr_wake_threads_if_sema_free() - to wake up possible hanging threads if - they are missed in mutex_signal_object. */ - - if (mutex_get_waiters(mutex) != 0) { - - mutex_signal_object(mutex); - } - -#ifdef UNIV_SYNC_PERF_STAT - mutex_exit_count++; -#endif -} - -/******************************************************************//** -Locks a mutex for the current thread. If the mutex is reserved, the function -spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting for the mutex -before suspending the thread. */ -UNIV_INLINE -void -mutex_enter_func( -/*=============*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name, /*!< in: file name where locked */ - ulint line) /*!< in: line where locked */ -{ - ut_ad(mutex_validate(mutex)); - ut_ad(!mutex_own(mutex)); - - /* Note that we do not peek at the value of lock_word before trying - the atomic test_and_set; we could peek, and possibly save time. */ - - ut_d(mutex->count_using++); - - if (!mutex_test_and_set(mutex)) { - ut_d(mutex->thread_id = os_thread_get_curr_id()); -#ifdef UNIV_SYNC_DEBUG - mutex_set_debug_info(mutex, file_name, line); -#endif - return; /* Succeeded! */ - } - - mutex_spin_wait(mutex, file_name, line); -} diff --git a/perfschema/include/sync0types.h b/perfschema/include/sync0types.h deleted file mode 100644 index 1911bbac7fd..00000000000 --- a/perfschema/include/sync0types.h +++ /dev/null @@ -1,34 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/sync0types.h -Global types for sync - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -#ifndef sync0types_h -#define sync0types_h - -/** Rename mutex_t to avoid name space collision on some systems */ -#define mutex_t ib_mutex_t -/** InnoDB mutex */ -typedef struct mutex_struct mutex_t; - -#endif diff --git a/perfschema/include/thr0loc.h b/perfschema/include/thr0loc.h deleted file mode 100644 index b7eb29f2ed0..00000000000 --- a/perfschema/include/thr0loc.h +++ /dev/null @@ -1,90 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/thr0loc.h -The thread local storage - -Created 10/5/1995 Heikki Tuuri -*******************************************************/ - -/* This module implements storage private to each thread, -a capability useful in some situations like storing the -OS handle to the current thread, or its priority. */ - -#ifndef thr0loc_h -#define thr0loc_h - -#include "univ.i" -#include "os0thread.h" - -/****************************************************************//** -Initializes the thread local storage module. */ -UNIV_INTERN -void -thr_local_init(void); -/*================*/ - /****************************************************************//** -Close the thread local storage module. */ -UNIV_INTERN -void -thr_local_close(void); -/*=================*/ -/*******************************************************************//** -Creates a local storage struct for the calling new thread. */ -UNIV_INTERN -void -thr_local_create(void); -/*==================*/ -/*******************************************************************//** -Frees the local storage struct for the specified thread. */ -UNIV_INTERN -void -thr_local_free( -/*===========*/ - os_thread_id_t id); /*!< in: thread id */ -/*******************************************************************//** -Gets the slot number in the thread table of a thread. -@return slot number */ -UNIV_INTERN -ulint -thr_local_get_slot_no( -/*==================*/ - os_thread_id_t id); /*!< in: thread id of the thread */ -/*******************************************************************//** -Sets in the local storage the slot number in the thread table of a thread. */ -UNIV_INTERN -void -thr_local_set_slot_no( -/*==================*/ - os_thread_id_t id, /*!< in: thread id of the thread */ - ulint slot_no);/*!< in: slot number */ -/*******************************************************************//** -Returns pointer to the 'in_ibuf' field within the current thread local -storage. -@return pointer to the in_ibuf field */ -UNIV_INTERN -ibool* -thr_local_get_in_ibuf_field(void); -/*=============================*/ - -#ifndef UNIV_NONINL -#include "thr0loc.ic" -#endif - -#endif diff --git a/perfschema/include/thr0loc.ic b/perfschema/include/thr0loc.ic deleted file mode 100644 index ce44e512320..00000000000 --- a/perfschema/include/thr0loc.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/thr0loc.ic -Thread local storage - -Created 10/4/1995 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/trx0i_s.h b/perfschema/include/trx0i_s.h deleted file mode 100644 index 7bd4e1b88c8..00000000000 --- a/perfschema/include/trx0i_s.h +++ /dev/null @@ -1,247 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0i_s.h -INFORMATION SCHEMA innodb_trx, innodb_locks and -innodb_lock_waits tables cache structures and public -functions. - -Created July 17, 2007 Vasil Dimov -*******************************************************/ - -#ifndef trx0i_s_h -#define trx0i_s_h - -#include "univ.i" -#include "trx0types.h" -#include "ut0ut.h" - -/** The maximum amount of memory that can be consumed by innodb_trx, -innodb_locks and innodb_lock_waits information schema tables. */ -#define TRX_I_S_MEM_LIMIT 16777216 /* 16 MiB */ - -/** The maximum length of a string that can be stored in -i_s_locks_row_t::lock_data */ -#define TRX_I_S_LOCK_DATA_MAX_LEN 8192 - -/** The maximum length of a string that can be stored in -i_s_trx_row_t::trx_query */ -#define TRX_I_S_TRX_QUERY_MAX_LEN 1024 - -/** A row of INFORMATION_SCHEMA.innodb_locks */ -typedef struct i_s_locks_row_struct i_s_locks_row_t; -/** A row of INFORMATION_SCHEMA.innodb_trx */ -typedef struct i_s_trx_row_struct i_s_trx_row_t; -/** A row of INFORMATION_SCHEMA.innodb_lock_waits */ -typedef struct i_s_lock_waits_row_struct i_s_lock_waits_row_t; - -/** Objects of trx_i_s_cache_t::locks_hash */ -typedef struct i_s_hash_chain_struct i_s_hash_chain_t; - -/** Objects of this type are added to the hash table -trx_i_s_cache_t::locks_hash */ -struct i_s_hash_chain_struct { - i_s_locks_row_t* value; /*!< row of - INFORMATION_SCHEMA.innodb_locks*/ - i_s_hash_chain_t* next; /*!< next item in the hash chain */ -}; - -/** This structure represents INFORMATION_SCHEMA.innodb_locks row */ -struct i_s_locks_row_struct { - ullint lock_trx_id; /*!< transaction identifier */ - const char* lock_mode; /*!< lock mode from - lock_get_mode_str() */ - const char* lock_type; /*!< lock type from - lock_get_type_str() */ - const char* lock_table; /*!< table name from - lock_get_table_name() */ - const char* lock_index; /*!< index name from - lock_rec_get_index_name() */ - /** Information for record locks. All these are - ULINT_UNDEFINED for table locks. */ - /* @{ */ - ulint lock_space; /*!< tablespace identifier */ - ulint lock_page; /*!< page number within the_space */ - ulint lock_rec; /*!< heap number of the record - on the page */ - const char* lock_data; /*!< (some) content of the record */ - /* @} */ - - /** The following are auxiliary and not included in the table */ - /* @{ */ - ullint lock_table_id; - /*!< table identifier from - lock_get_table_id */ - i_s_hash_chain_t hash_chain; /*!< hash table chain node for - trx_i_s_cache_t::locks_hash */ - /* @} */ -}; - -/** This structure represents INFORMATION_SCHEMA.innodb_trx row */ -struct i_s_trx_row_struct { - ullint trx_id; /*!< transaction identifier */ - const char* trx_state; /*!< transaction state from - trx_get_que_state_str() */ - ib_time_t trx_started; /*!< trx_struct::start_time */ - const i_s_locks_row_t* requested_lock_row; - /*!< pointer to a row - in innodb_locks if trx - is waiting, or NULL */ - ib_time_t trx_wait_started; - /*!< trx_struct::wait_started */ - ullint trx_weight; /*!< TRX_WEIGHT() */ - ulint trx_mysql_thread_id; - /*!< thd_get_thread_id() */ - const char* trx_query; /*!< MySQL statement being - executed in the transaction */ -}; - -/** This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */ -struct i_s_lock_waits_row_struct { - const i_s_locks_row_t* requested_lock_row; /*!< requested lock */ - const i_s_locks_row_t* blocking_lock_row; /*!< blocking lock */ -}; - -/** Cache of INFORMATION_SCHEMA table data */ -typedef struct trx_i_s_cache_struct trx_i_s_cache_t; - -/** Auxiliary enum used by functions that need to select one of the -INFORMATION_SCHEMA tables */ -enum i_s_table { - I_S_INNODB_TRX, /*!< INFORMATION_SCHEMA.innodb_trx */ - I_S_INNODB_LOCKS, /*!< INFORMATION_SCHEMA.innodb_locks */ - I_S_INNODB_LOCK_WAITS /*!< INFORMATION_SCHEMA.innodb_lock_waits */ -}; - -/** This is the intermediate buffer where data needed to fill the -INFORMATION SCHEMA tables is fetched and later retrieved by the C++ -code in handler/i_s.cc. */ -extern trx_i_s_cache_t* trx_i_s_cache; - -/*******************************************************************//** -Initialize INFORMATION SCHEMA trx related cache. */ -UNIV_INTERN -void -trx_i_s_cache_init( -/*===============*/ - trx_i_s_cache_t* cache); /*!< out: cache to init */ -/*******************************************************************//** -Free the INFORMATION SCHEMA trx related cache. */ -UNIV_INTERN -void -trx_i_s_cache_free( -/*===============*/ - trx_i_s_cache_t* cache); /*!< in/out: cache to free */ - -/*******************************************************************//** -Issue a shared/read lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_start_read( -/*=====================*/ - trx_i_s_cache_t* cache); /*!< in: cache */ - -/*******************************************************************//** -Release a shared/read lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_end_read( -/*===================*/ - trx_i_s_cache_t* cache); /*!< in: cache */ - -/*******************************************************************//** -Issue an exclusive/write lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_start_write( -/*======================*/ - trx_i_s_cache_t* cache); /*!< in: cache */ - -/*******************************************************************//** -Release an exclusive/write lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_end_write( -/*====================*/ - trx_i_s_cache_t* cache); /*!< in: cache */ - - -/*******************************************************************//** -Retrieves the number of used rows in the cache for a given -INFORMATION SCHEMA table. -@return number of rows */ -UNIV_INTERN -ulint -trx_i_s_cache_get_rows_used( -/*========================*/ - trx_i_s_cache_t* cache, /*!< in: cache */ - enum i_s_table table); /*!< in: which table */ - -/*******************************************************************//** -Retrieves the nth row in the cache for a given INFORMATION SCHEMA -table. -@return row */ -UNIV_INTERN -void* -trx_i_s_cache_get_nth_row( -/*======================*/ - trx_i_s_cache_t* cache, /*!< in: cache */ - enum i_s_table table, /*!< in: which table */ - ulint n); /*!< in: row number */ - -/*******************************************************************//** -Update the transactions cache if it has not been read for some time. -@return 0 - fetched, 1 - not */ -UNIV_INTERN -int -trx_i_s_possibly_fetch_data_into_cache( -/*===================================*/ - trx_i_s_cache_t* cache); /*!< in/out: cache */ - -/*******************************************************************//** -Returns TRUE if the data in the cache is truncated due to the memory -limit posed by TRX_I_S_MEM_LIMIT. -@return TRUE if truncated */ -UNIV_INTERN -ibool -trx_i_s_cache_is_truncated( -/*=======================*/ - trx_i_s_cache_t* cache); /*!< in: cache */ - -/** The maximum length of a resulting lock_id_size in -trx_i_s_create_lock_id(), not including the terminating NUL. -":%lu:%lu:%lu" -> 63 chars */ -#define TRX_I_S_LOCK_ID_MAX_LEN (TRX_ID_MAX_LEN + 63) - -/*******************************************************************//** -Crafts a lock id string from a i_s_locks_row_t object. Returns its -second argument. This function aborts if there is not enough space in -lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you -want to be 100% sure that it will not abort. -@return resulting lock id */ -UNIV_INTERN -char* -trx_i_s_create_lock_id( -/*===================*/ - const i_s_locks_row_t* row, /*!< in: innodb_locks row */ - char* lock_id,/*!< out: resulting lock_id */ - ulint lock_id_size);/*!< in: size of the lock id - buffer */ - -#endif /* trx0i_s_h */ diff --git a/perfschema/include/trx0purge.h b/perfschema/include/trx0purge.h deleted file mode 100644 index 908760580f6..00000000000 --- a/perfschema/include/trx0purge.h +++ /dev/null @@ -1,189 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0purge.h -Purge old versions - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0purge_h -#define trx0purge_h - -#include "univ.i" -#include "trx0types.h" -#include "mtr0mtr.h" -#include "trx0sys.h" -#include "que0types.h" -#include "page0page.h" -#include "usr0sess.h" -#include "fil0fil.h" - -/** The global data structure coordinating a purge */ -extern trx_purge_t* purge_sys; - -/** A dummy undo record used as a return value when we have a whole undo log -which needs no purge */ -extern trx_undo_rec_t trx_purge_dummy_rec; - -/********************************************************************//** -Calculates the file address of an undo log header when we have the file -address of its history list node. -@return file address of the log */ -UNIV_INLINE -fil_addr_t -trx_purge_get_log_from_hist( -/*========================*/ - fil_addr_t node_addr); /*!< in: file address of the history - list node of the log */ -/*****************************************************************//** -Checks if trx_id is >= purge_view: then it is guaranteed that its update -undo log still exists in the system. -@return TRUE if is sure that it is preserved, also if the function -returns FALSE, it is possible that the undo log still exists in the -system */ -UNIV_INTERN -ibool -trx_purge_update_undo_must_exist( -/*=============================*/ - trx_id_t trx_id);/*!< in: transaction id */ -/********************************************************************//** -Creates the global purge system control structure and inits the history -mutex. */ -UNIV_INTERN -void -trx_purge_sys_create(void); -/*======================*/ -/********************************************************************//** -Frees the global purge system control structure. */ -UNIV_INTERN -void -trx_purge_sys_close(void); -/*======================*/ -/************************************************************************ -Adds the update undo log as the first log in the history list. Removes the -update undo log segment from the rseg slot if it is too big for reuse. */ -UNIV_INTERN -void -trx_purge_add_update_undo_to_history( -/*=================================*/ - trx_t* trx, /*!< in: transaction */ - page_t* undo_page, /*!< in: update undo log header page, - x-latched */ - mtr_t* mtr); /*!< in: mtr */ -/********************************************************************//** -Fetches the next undo log record from the history list to purge. It must be -released with the corresponding release function. -@return copy of an undo log record or pointer to trx_purge_dummy_rec, -if the whole undo log can skipped in purge; NULL if none left */ -UNIV_INTERN -trx_undo_rec_t* -trx_purge_fetch_next_rec( -/*=====================*/ - roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ - trx_undo_inf_t** cell, /*!< out: storage cell for the record in the - purge array */ - mem_heap_t* heap); /*!< in: memory heap where copied */ -/*******************************************************************//** -Releases a reserved purge undo record. */ -UNIV_INTERN -void -trx_purge_rec_release( -/*==================*/ - trx_undo_inf_t* cell); /*!< in: storage cell */ -/*******************************************************************//** -This function runs a purge batch. -@return number of undo log pages handled in the batch */ -UNIV_INTERN -ulint -trx_purge(void); -/*===========*/ -/******************************************************************//** -Prints information of the purge system to stderr. */ -UNIV_INTERN -void -trx_purge_sys_print(void); -/*======================*/ - -/** The control structure used in the purge operation */ -struct trx_purge_struct{ - ulint state; /*!< Purge system state */ - sess_t* sess; /*!< System session running the purge - query */ - trx_t* trx; /*!< System transaction running the purge - query: this trx is not in the trx list - of the trx system and it never ends */ - que_t* query; /*!< The query graph which will do the - parallelized purge operation */ - rw_lock_t latch; /*!< The latch protecting the purge view. - A purge operation must acquire an - x-latch here for the instant at which - it changes the purge view: an undo - log operation can prevent this by - obtaining an s-latch here. */ - read_view_t* view; /*!< The purge will not remove undo logs - which are >= this view (purge view) */ - mutex_t mutex; /*!< Mutex protecting the fields below */ - ulint n_pages_handled;/*!< Approximate number of undo log - pages processed in purge */ - ulint handle_limit; /*!< Target of how many pages to get - processed in the current purge */ - /*------------------------------*/ - /* The following two fields form the 'purge pointer' which advances - during a purge, and which is used in history list truncation */ - - trx_id_t purge_trx_no; /*!< Purge has advanced past all - transactions whose number is less - than this */ - undo_no_t purge_undo_no; /*!< Purge has advanced past all records - whose undo number is less than this */ - /*-----------------------------*/ - ibool next_stored; /*!< TRUE if the info of the next record - to purge is stored below: if yes, then - the transaction number and the undo - number of the record are stored in - purge_trx_no and purge_undo_no above */ - trx_rseg_t* rseg; /*!< Rollback segment for the next undo - record to purge */ - ulint page_no; /*!< Page number for the next undo - record to purge, page number of the - log header, if dummy record */ - ulint offset; /*!< Page offset for the next undo - record to purge, 0 if the dummy - record */ - ulint hdr_page_no; /*!< Header page of the undo log where - the next record to purge belongs */ - ulint hdr_offset; /*!< Header byte offset on the page */ - /*-----------------------------*/ - trx_undo_arr_t* arr; /*!< Array of transaction numbers and - undo numbers of the undo records - currently under processing in purge */ - mem_heap_t* heap; /*!< Temporary storage used during a - purge: can be emptied after purge - completes */ -}; - -#define TRX_PURGE_ON 1 /* purge operation is running */ -#define TRX_STOP_PURGE 2 /* purge operation is stopped, or - it should be stopped */ -#ifndef UNIV_NONINL -#include "trx0purge.ic" -#endif - -#endif diff --git a/perfschema/include/trx0purge.ic b/perfschema/include/trx0purge.ic deleted file mode 100644 index de09e393654..00000000000 --- a/perfschema/include/trx0purge.ic +++ /dev/null @@ -1,43 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0purge.ic -Purge old versions - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0undo.h" - -/********************************************************************//** -Calculates the file address of an undo log header when we have the file -address of its history list node. -@return file address of the log */ -UNIV_INLINE -fil_addr_t -trx_purge_get_log_from_hist( -/*========================*/ - fil_addr_t node_addr) /*!< in: file address of the history - list node of the log */ -{ - node_addr.boffset -= TRX_UNDO_HISTORY_NODE; - - return(node_addr); -} - diff --git a/perfschema/include/trx0rec.h b/perfschema/include/trx0rec.h deleted file mode 100644 index a6e56e963c6..00000000000 --- a/perfschema/include/trx0rec.h +++ /dev/null @@ -1,338 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0rec.h -Transaction undo log record - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0rec_h -#define trx0rec_h - -#include "univ.i" -#include "trx0types.h" -#include "row0types.h" -#include "mtr0mtr.h" -#include "dict0types.h" -#include "data0data.h" -#include "rem0types.h" - -#ifndef UNIV_HOTBACKUP -# include "que0types.h" - -/***********************************************************************//** -Copies the undo record to the heap. -@return own: copy of undo log record */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_rec_copy( -/*==============*/ - const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - mem_heap_t* heap); /*!< in: heap where copied */ -/**********************************************************************//** -Reads the undo log record type. -@return record type */ -UNIV_INLINE -ulint -trx_undo_rec_get_type( -/*==================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** -Reads from an undo log record the record compiler info. -@return compiler info */ -UNIV_INLINE -ulint -trx_undo_rec_get_cmpl_info( -/*=======================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** -Returns TRUE if an undo log record contains an extern storage field. -@return TRUE if extern */ -UNIV_INLINE -ibool -trx_undo_rec_get_extern_storage( -/*============================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** -Reads the undo log record number. -@return undo no */ -UNIV_INLINE -undo_no_t -trx_undo_rec_get_undo_no( -/*=====================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** -Returns the start of the undo record data area. -@return offset to the data area */ -UNIV_INLINE -ulint -trx_undo_rec_get_offset( -/*====================*/ - undo_no_t undo_no) /*!< in: undo no read from node */ - __attribute__((const)); - -/**********************************************************************//** -Returns the start of the undo record data area. */ -#define trx_undo_rec_get_ptr(undo_rec, undo_no) \ - ((undo_rec) + trx_undo_rec_get_offset(undo_no)) - -/**********************************************************************//** -Reads from an undo log record the general parameters. -@return remaining part of undo log record after reading these values */ -UNIV_INTERN -byte* -trx_undo_rec_get_pars( -/*==================*/ - trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - ulint* type, /*!< out: undo record type: - TRX_UNDO_INSERT_REC, ... */ - ulint* cmpl_info, /*!< out: compiler info, relevant only - for update type records */ - ibool* updated_extern, /*!< out: TRUE if we updated an - externally stored fild */ - undo_no_t* undo_no, /*!< out: undo log record number */ - dulint* table_id); /*!< out: table id */ -/*******************************************************************//** -Builds a row reference from an undo log record. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_get_row_ref( -/*=====================*/ - byte* ptr, /*!< in: remaining part of a copy of an undo log - record, at the start of the row reference; - NOTE that this copy of the undo log record must - be preserved as long as the row reference is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - dtuple_t** ref, /*!< out, own: row reference */ - mem_heap_t* heap); /*!< in: memory heap from which the memory - needed is allocated */ -/*******************************************************************//** -Skips a row reference from an undo log record. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_skip_row_ref( -/*======================*/ - byte* ptr, /*!< in: remaining part in update undo log - record, at the start of the row reference */ - dict_index_t* index); /*!< in: clustered index */ -/**********************************************************************//** -Reads from an undo log update record the system field values of the old -version. -@return remaining part of undo log record after reading these values */ -UNIV_INTERN -byte* -trx_undo_update_rec_get_sys_cols( -/*=============================*/ - byte* ptr, /*!< in: remaining part of undo - log record after reading - general parameters */ - trx_id_t* trx_id, /*!< out: trx id */ - roll_ptr_t* roll_ptr, /*!< out: roll ptr */ - ulint* info_bits); /*!< out: info bits state */ -/*******************************************************************//** -Builds an update vector based on a remaining part of an undo log record. -@return remaining part of the record, NULL if an error detected, which -means that the record is corrupted */ -UNIV_INTERN -byte* -trx_undo_update_rec_get_update( -/*===========================*/ - byte* ptr, /*!< in: remaining part in update undo log - record, after reading the row reference - NOTE that this copy of the undo log record must - be preserved as long as the update vector is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, - TRX_UNDO_UPD_DEL_REC, or - TRX_UNDO_DEL_MARK_REC; in the last case, - only trx id and roll ptr fields are added to - the update vector */ - trx_id_t trx_id, /*!< in: transaction id from this undorecord */ - roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ - ulint info_bits,/*!< in: info bits from this undo record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap, /*!< in: memory heap from which the memory - needed is allocated */ - upd_t** upd); /*!< out, own: update vector */ -/*******************************************************************//** -Builds a partial row from an update undo log record. It contains the -columns which occur as ordering in any index of the table. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_get_partial_row( -/*=========================*/ - byte* ptr, /*!< in: remaining part in update undo log - record of a suitable type, at the start of - the stored index columns; - NOTE that this copy of the undo log record must - be preserved as long as the partial row is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - dtuple_t** row, /*!< out, own: partial row */ - ibool ignore_prefix, /*!< in: flag to indicate if we - expect blob prefixes in undo. Used - only in the assertion. */ - mem_heap_t* heap); /*!< in: memory heap from which the memory - needed is allocated */ -/***********************************************************************//** -Writes information to an undo log about an insert, update, or a delete marking -of a clustered index record. This information is used in a rollback of the -transaction and in consistent reads that must look to the history of this -transaction. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -trx_undo_report_row_operation( -/*==========================*/ - ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is - set, does nothing */ - ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or - TRX_UNDO_MODIFY_OP */ - que_thr_t* thr, /*!< in: query thread */ - dict_index_t* index, /*!< in: clustered index */ - const dtuple_t* clust_entry, /*!< in: in the case of an insert, - index entry to insert into the - clustered index, otherwise NULL */ - const upd_t* update, /*!< in: in the case of an update, - the update vector, otherwise NULL */ - ulint cmpl_info, /*!< in: compiler info on secondary - index updates */ - const rec_t* rec, /*!< in: case of an update or delete - marking, the record in the clustered - index, otherwise NULL */ - roll_ptr_t* roll_ptr); /*!< out: rollback pointer to the - inserted undo log record, - ut_dulint_zero if BTR_NO_UNDO_LOG - flag was specified */ -/******************************************************************//** -Copies an undo record to heap. This function can be called if we know that -the undo log record exists. -@return own: copy of the record */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_undo_rec_low( -/*======================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ - mem_heap_t* heap); /*!< in: memory heap where copied */ -/******************************************************************//** -Copies an undo record to heap. - -NOTE: the caller must have latches on the clustered index page and -purge_view. - -@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been -truncated and we cannot fetch the old version */ -UNIV_INTERN -ulint -trx_undo_get_undo_rec( -/*==================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ - trx_id_t trx_id, /*!< in: id of the trx that generated - the roll pointer: it points to an - undo log of this transaction */ - trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ - mem_heap_t* heap); /*!< in: memory heap where copied */ -/*******************************************************************//** -Build a previous version of a clustered index record. This function checks -that the caller has a latch on the index page of the clustered index record -and an s-latch on the purge_view. This guarantees that the stack of versions -is locked. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is -earlier than purge_view, which means that it may have been removed, -DB_ERROR if corrupted record */ -UNIV_INTERN -ulint -trx_undo_prev_version_build( -/*========================*/ - const rec_t* index_rec,/*!< in: clustered index record in the - index tree */ - mtr_t* index_mtr,/*!< in: mtr which contains the latch to - index_rec page and purge_view */ - const rec_t* rec, /*!< in: version of a clustered index record */ - dict_index_t* index, /*!< in: clustered index */ - ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - mem_heap_t* heap, /*!< in: memory heap from which the memory - needed is allocated */ - rec_t** old_vers);/*!< out, own: previous version, or NULL if - rec is the first inserted version, or if - history data has been deleted */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Parses a redo log record of adding an undo log record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_add_undo_rec( -/*========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page); /*!< in: page or NULL */ -/***********************************************************//** -Parses a redo log record of erasing of an undo page end. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_erase_page_end( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ - -#ifndef UNIV_HOTBACKUP - -/* Types of an undo log record: these have to be smaller than 16, as the -compilation info multiplied by 16 is ORed to this value in an undo log -record */ - -#define TRX_UNDO_INSERT_REC 11 /* fresh insert into clustered index */ -#define TRX_UNDO_UPD_EXIST_REC 12 /* update of a non-delete-marked - record */ -#define TRX_UNDO_UPD_DEL_REC 13 /* update of a delete marked record to - a not delete marked record; also the - fields of the record can change */ -#define TRX_UNDO_DEL_MARK_REC 14 /* delete marking of a record; fields - do not change */ -#define TRX_UNDO_CMPL_INFO_MULT 16 /* compilation info is multiplied by - this and ORed to the type above */ -#define TRX_UNDO_UPD_EXTERN 128 /* This bit can be ORed to type_cmpl - to denote that we updated external - storage fields: used by purge to - free the external storage */ - -/* Operation type flags used in trx_undo_report_row_operation */ -#define TRX_UNDO_INSERT_OP 1 -#define TRX_UNDO_MODIFY_OP 2 - -#ifndef UNIV_NONINL -#include "trx0rec.ic" -#endif - -#endif /* !UNIV_HOTBACKUP */ - -#endif /* trx0rec_h */ diff --git a/perfschema/include/trx0rec.ic b/perfschema/include/trx0rec.ic deleted file mode 100644 index e7e41d6d9f6..00000000000 --- a/perfschema/include/trx0rec.ic +++ /dev/null @@ -1,112 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0rec.ic -Transaction undo log record - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Reads from an undo log record the record type. -@return record type */ -UNIV_INLINE -ulint -trx_undo_rec_get_type( -/*==================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); -} - -/**********************************************************************//** -Reads from an undo log record the record compiler info. -@return compiler info */ -UNIV_INLINE -ulint -trx_undo_rec_get_cmpl_info( -/*=======================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); -} - -/**********************************************************************//** -Returns TRUE if an undo log record contains an extern storage field. -@return TRUE if extern */ -UNIV_INLINE -ibool -trx_undo_rec_get_extern_storage( -/*============================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - if (mach_read_from_1(undo_rec + 2) & TRX_UNDO_UPD_EXTERN) { - - return(TRUE); - } - - return(FALSE); -} - -/**********************************************************************//** -Reads the undo log record number. -@return undo no */ -UNIV_INLINE -undo_no_t -trx_undo_rec_get_undo_no( -/*=====================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - const byte* ptr; - - ptr = undo_rec + 3; - - return(mach_dulint_read_much_compressed(ptr)); -} - -/**********************************************************************//** -Returns the start of the undo record data area. -@return offset to the data area */ -UNIV_INLINE -ulint -trx_undo_rec_get_offset( -/*====================*/ - undo_no_t undo_no) /*!< in: undo no read from node */ -{ - return (3 + mach_dulint_get_much_compressed_size(undo_no)); -} - -/***********************************************************************//** -Copies the undo record to the heap. -@return own: copy of undo log record */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_rec_copy( -/*==============*/ - const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - mem_heap_t* heap) /*!< in: heap where copied */ -{ - ulint len; - - len = mach_read_from_2(undo_rec) - - ut_align_offset(undo_rec, UNIV_PAGE_SIZE); - return(mem_heap_dup(heap, undo_rec, len)); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0roll.h b/perfschema/include/trx0roll.h deleted file mode 100644 index 1dee5655c8c..00000000000 --- a/perfschema/include/trx0roll.h +++ /dev/null @@ -1,352 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0roll.h -Transaction rollback - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0roll_h -#define trx0roll_h - -#include "univ.i" -#include "trx0trx.h" -#include "trx0types.h" -#include "mtr0mtr.h" -#include "trx0sys.h" - -#define trx_roll_free_all_savepoints(s) trx_roll_savepoints_free((s), NULL) - -/*******************************************************************//** -Determines if this transaction is rolling back an incomplete transaction -in crash recovery. -@return TRUE if trx is an incomplete transaction that is being rolled -back in crash recovery */ -UNIV_INTERN -ibool -trx_is_recv( -/*========*/ - const trx_t* trx); /*!< in: transaction */ -/*******************************************************************//** -Returns a transaction savepoint taken at this point in time. -@return savepoint */ -UNIV_INTERN -trx_savept_t -trx_savept_take( -/*============*/ - trx_t* trx); /*!< in: transaction */ -/*******************************************************************//** -Creates an undo number array. */ -UNIV_INTERN -trx_undo_arr_t* -trx_undo_arr_create(void); -/*=====================*/ -/*******************************************************************//** -Frees an undo number array. */ -UNIV_INTERN -void -trx_undo_arr_free( -/*==============*/ - trx_undo_arr_t* arr); /*!< in: undo number array */ -/*******************************************************************//** -Returns pointer to nth element in an undo number array. -@return pointer to the nth element */ -UNIV_INLINE -trx_undo_inf_t* -trx_undo_arr_get_nth_info( -/*======================*/ - trx_undo_arr_t* arr, /*!< in: undo number array */ - ulint n); /*!< in: position */ -/***********************************************************************//** -Tries truncate the undo logs. */ -UNIV_INTERN -void -trx_roll_try_truncate( -/*==================*/ - trx_t* trx); /*!< in/out: transaction */ -/********************************************************************//** -Pops the topmost record when the two undo logs of a transaction are seen -as a single stack of records ordered by their undo numbers. Inserts the -undo number of the popped undo record to the array of currently processed -undo numbers in the transaction. When the query thread finishes processing -of this undo record, it must be released with trx_undo_rec_release. -@return undo log record copied to heap, NULL if none left, or if the -undo number of the top record would be less than the limit */ -UNIV_INTERN -trx_undo_rec_t* -trx_roll_pop_top_rec_of_trx( -/*========================*/ - trx_t* trx, /*!< in: transaction */ - undo_no_t limit, /*!< in: least undo number we need */ - roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ - mem_heap_t* heap); /*!< in: memory heap where copied */ -/********************************************************************//** -Reserves an undo log record for a query thread to undo. This should be -called if the query thread gets the undo log record not using the pop -function above. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -trx_undo_rec_reserve( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - undo_no_t undo_no);/*!< in: undo number of the record */ -/*******************************************************************//** -Releases a reserved undo record. */ -UNIV_INTERN -void -trx_undo_rec_release( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - undo_no_t undo_no);/*!< in: undo number */ -/*********************************************************************//** -Starts a rollback operation. */ -UNIV_INTERN -void -trx_rollback( -/*=========*/ - trx_t* trx, /*!< in: transaction */ - trx_sig_t* sig, /*!< in: signal starting the rollback */ - que_thr_t** next_thr);/*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -/*******************************************************************//** -Rollback or clean up any incomplete transactions which were -encountered in crash recovery. If the transaction already was -committed, then we clean up a possible insert undo log. If the -transaction was not yet committed, then we roll it back. */ -UNIV_INTERN -void -trx_rollback_or_clean_recovered( -/*============================*/ - ibool all); /*!< in: FALSE=roll back dictionary transactions; - TRUE=roll back all non-PREPARED transactions */ -/*******************************************************************//** -Rollback or clean up any incomplete transactions which were -encountered in crash recovery. If the transaction already was -committed, then we clean up a possible insert undo log. If the -transaction was not yet committed, then we roll it back. -Note: this is done in a background thread. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -trx_rollback_or_clean_all_recovered( -/*================================*/ - void* arg __attribute__((unused))); - /*!< in: a dummy parameter required by - os_thread_create */ -/****************************************************************//** -Finishes a transaction rollback. */ -UNIV_INTERN -void -trx_finish_rollback_off_kernel( -/*===========================*/ - que_t* graph, /*!< in: undo graph which can now be freed */ - trx_t* trx, /*!< in: transaction */ - que_thr_t** next_thr);/*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if this parameter is - NULL, it is ignored */ -/****************************************************************//** -Builds an undo 'query' graph for a transaction. The actual rollback is -performed by executing this query graph like a query subprocedure call. -The reply about the completion of the rollback will be sent by this -graph. -@return own: the query graph */ -UNIV_INTERN -que_t* -trx_roll_graph_build( -/*=================*/ - trx_t* trx); /*!< in: trx handle */ -/*********************************************************************//** -Creates a rollback command node struct. -@return own: rollback node struct */ -UNIV_INTERN -roll_node_t* -roll_node_create( -/*=============*/ - mem_heap_t* heap); /*!< in: mem heap where created */ -/***********************************************************//** -Performs an execution step for a rollback command node in a query graph. -@return query thread to run next, or NULL */ -UNIV_INTERN -que_thr_t* -trx_rollback_step( -/*==============*/ - que_thr_t* thr); /*!< in: query thread */ -/*******************************************************************//** -Rollback a transaction used in MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_rollback_for_mysql( -/*===================*/ - trx_t* trx); /*!< in: transaction handle */ -/*******************************************************************//** -Rollback the latest SQL statement for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_rollback_last_sql_stat_for_mysql( -/*=================================*/ - trx_t* trx); /*!< in: transaction handle */ -/*******************************************************************//** -Rollback a transaction used in MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_general_rollback_for_mysql( -/*===========================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_savept_t* savept);/*!< in: pointer to savepoint undo number, if - partial rollback requested, or NULL for - complete rollback */ -/*******************************************************************//** -Rolls back a transaction back to a named savepoint. Modifications after the -savepoint are undone but InnoDB does NOT release the corresponding locks -which are stored in memory. If a lock is 'implicit', that is, a new inserted -row holds a lock where the lock information is carried by the trx id stored in -the row, these locks are naturally released in the rollback. Savepoints which -were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, -otherwise DB_SUCCESS */ -UNIV_INTERN -ulint -trx_rollback_to_savepoint_for_mysql( -/*================================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name, /*!< in: savepoint name */ - ib_int64_t* mysql_binlog_cache_pos);/*!< out: the MySQL binlog cache - position corresponding to this - savepoint; MySQL needs this - information to remove the - binlog entries of the queries - executed after the savepoint */ -/*******************************************************************//** -Creates a named savepoint. If the transaction is not yet started, starts it. -If there is already a savepoint of the same name, this call erases that old -savepoint and replaces it with a new. Savepoints are deleted in a transaction -commit or rollback. -@return always DB_SUCCESS */ -UNIV_INTERN -ulint -trx_savepoint_for_mysql( -/*====================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name, /*!< in: savepoint name */ - ib_int64_t binlog_cache_pos); /*!< in: MySQL binlog cache - position corresponding to this - connection at the time of the - savepoint */ - -/*******************************************************************//** -Releases a named savepoint. Savepoints which -were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, -otherwise DB_SUCCESS */ -UNIV_INTERN -ulint -trx_release_savepoint_for_mysql( -/*============================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name); /*!< in: savepoint name */ - -/*******************************************************************//** -Frees a single savepoint struct. */ -UNIV_INTERN -void -trx_roll_savepoint_free( -/*=====================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_named_savept_t* savep); /*!< in: savepoint to free */ - -/*******************************************************************//** -Frees savepoint structs starting from savep, if savep == NULL then -free all savepoints. */ -UNIV_INTERN -void -trx_roll_savepoints_free( -/*=====================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_named_savept_t* savep); /*!< in: free all savepoints > this one; - if this is NULL, free all savepoints - of trx */ - -/** A cell of trx_undo_arr_struct; used during a rollback and a purge */ -struct trx_undo_inf_struct{ - trx_id_t trx_no; /*!< transaction number: not defined during - a rollback */ - undo_no_t undo_no;/*!< undo number of an undo record */ - ibool in_use; /*!< TRUE if the cell is in use */ -}; - -/** During a rollback and a purge, undo numbers of undo records currently being -processed are stored in this array */ - -struct trx_undo_arr_struct{ - ulint n_cells; /*!< number of cells in the array */ - ulint n_used; /*!< number of cells currently in use */ - trx_undo_inf_t* infos; /*!< the array of undo infos */ - mem_heap_t* heap; /*!< memory heap from which allocated */ -}; - -/** Rollback node states */ -enum roll_node_state { - ROLL_NODE_SEND = 1, /*!< about to send a rollback signal to - the transaction */ - ROLL_NODE_WAIT /*!< rollback signal sent to the transaction, - waiting for completion */ -}; - -/** Rollback command node in a query graph */ -struct roll_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_ROLLBACK */ - enum roll_node_state state; /*!< node execution state */ - ibool partial;/*!< TRUE if we want a partial - rollback */ - trx_savept_t savept; /*!< savepoint to which to - roll back, in the case of a - partial rollback */ -}; - -/** A savepoint set with SQL's "SAVEPOINT savepoint_id" command */ -struct trx_named_savept_struct{ - char* name; /*!< savepoint name */ - trx_savept_t savept; /*!< the undo number corresponding to - the savepoint */ - ib_int64_t mysql_binlog_cache_pos; - /*!< the MySQL binlog cache position - corresponding to this savepoint, not - defined if the MySQL binlogging is not - enabled */ - UT_LIST_NODE_T(trx_named_savept_t) - trx_savepoints; /*!< the list of savepoints of a - transaction */ -}; - -#ifndef UNIV_NONINL -#include "trx0roll.ic" -#endif - -#endif diff --git a/perfschema/include/trx0roll.ic b/perfschema/include/trx0roll.ic deleted file mode 100644 index 3460832b18c..00000000000 --- a/perfschema/include/trx0roll.ic +++ /dev/null @@ -1,40 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0roll.ic -Transaction rollback - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -/*******************************************************************//** -Returns pointer to nth element in an undo number array. -@return pointer to the nth element */ -UNIV_INLINE -trx_undo_inf_t* -trx_undo_arr_get_nth_info( -/*======================*/ - trx_undo_arr_t* arr, /*!< in: undo number array */ - ulint n) /*!< in: position */ -{ - ut_ad(arr); - ut_ad(n < arr->n_cells); - - return(arr->infos + n); -} diff --git a/perfschema/include/trx0rseg.h b/perfschema/include/trx0rseg.h deleted file mode 100644 index a25d84f1e84..00000000000 --- a/perfschema/include/trx0rseg.h +++ /dev/null @@ -1,209 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0rseg.h -Rollback segment - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0rseg_h -#define trx0rseg_h - -#include "univ.i" -#include "trx0types.h" -#include "trx0sys.h" - -/******************************************************************//** -Gets a rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get( -/*==========*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Gets a newly created rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get_new( -/*==============*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr); /*!< in: mtr */ -/***************************************************************//** -Gets the file page number of the nth undo log slot. -@return page number of the undo log segment */ -UNIV_INLINE -ulint -trx_rsegf_get_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - mtr_t* mtr); /*!< in: mtr */ -/***************************************************************//** -Sets the file page number of the nth undo log slot. */ -UNIV_INLINE -void -trx_rsegf_set_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - ulint page_no,/*!< in: page number of the undo log segment */ - mtr_t* mtr); /*!< in: mtr */ -/****************************************************************//** -Looks for a free slot for an undo log segment. -@return slot index or ULINT_UNDEFINED if not found */ -UNIV_INLINE -ulint -trx_rsegf_undo_find_free( -/*=====================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Looks for a rollback segment, based on the rollback segment id. -@return rollback segment */ -UNIV_INTERN -trx_rseg_t* -trx_rseg_get_on_id( -/*===============*/ - ulint id); /*!< in: rollback segment id */ -/****************************************************************//** -Creates a rollback segment header. This function is called only when -a new rollback segment is created in the database. -@return page number of the created segment, FIL_NULL if fail */ -UNIV_INTERN -ulint -trx_rseg_header_create( -/*===================*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint max_size, /*!< in: max size in pages */ - ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ - mtr_t* mtr); /*!< in: mtr */ -/*********************************************************************//** -Creates the memory copies for rollback segments and initializes the -rseg list and array in trx_sys at a database startup. */ -UNIV_INTERN -void -trx_rseg_list_and_array_init( -/*=========================*/ - trx_sysf_t* sys_header, /*!< in: trx system header */ - mtr_t* mtr); /*!< in: mtr */ -/*************************************************************************** -Free's an instance of the rollback segment in memory. */ -UNIV_INTERN -void -trx_rseg_mem_free( -/*==============*/ - trx_rseg_t* rseg); /* in, own: instance to free */ - - -/* Number of undo log slots in a rollback segment file copy */ -#define TRX_RSEG_N_SLOTS (UNIV_PAGE_SIZE / 16) - -/* Maximum number of transactions supported by a single rollback segment */ -#define TRX_RSEG_MAX_N_TRXS (TRX_RSEG_N_SLOTS / 2) - -/* The rollback segment memory object */ -struct trx_rseg_struct{ - /*--------------------------------------------------------*/ - ulint id; /*!< rollback segment id == the index of - its slot in the trx system file copy */ - mutex_t mutex; /*!< mutex protecting the fields in this - struct except id; NOTE that the latching - order must always be kernel mutex -> - rseg mutex */ - ulint space; /*!< space where the rollback segment is - header is placed */ - ulint zip_size;/* compressed page size of space - in bytes, or 0 for uncompressed spaces */ - ulint page_no;/* page number of the rollback segment - header */ - ulint max_size;/* maximum allowed size in pages */ - ulint curr_size;/* current size in pages */ - /*--------------------------------------------------------*/ - /* Fields for update undo logs */ - UT_LIST_BASE_NODE_T(trx_undo_t) update_undo_list; - /* List of update undo logs */ - UT_LIST_BASE_NODE_T(trx_undo_t) update_undo_cached; - /* List of update undo log segments - cached for fast reuse */ - /*--------------------------------------------------------*/ - /* Fields for insert undo logs */ - UT_LIST_BASE_NODE_T(trx_undo_t) insert_undo_list; - /* List of insert undo logs */ - UT_LIST_BASE_NODE_T(trx_undo_t) insert_undo_cached; - /* List of insert undo log segments - cached for fast reuse */ - /*--------------------------------------------------------*/ - ulint last_page_no; /*!< Page number of the last not yet - purged log header in the history list; - FIL_NULL if all list purged */ - ulint last_offset; /*!< Byte offset of the last not yet - purged log header */ - trx_id_t last_trx_no; /*!< Transaction number of the last not - yet purged log */ - ibool last_del_marks; /*!< TRUE if the last not yet purged log - needs purging */ - /*--------------------------------------------------------*/ - UT_LIST_NODE_T(trx_rseg_t) rseg_list; - /* the list of the rollback segment - memory objects */ -}; - -/* Undo log segment slot in a rollback segment header */ -/*-------------------------------------------------------------*/ -#define TRX_RSEG_SLOT_PAGE_NO 0 /* Page number of the header page of - an undo log segment */ -/*-------------------------------------------------------------*/ -/* Slot size */ -#define TRX_RSEG_SLOT_SIZE 4 - -/* The offset of the rollback segment header on its page */ -#define TRX_RSEG FSEG_PAGE_DATA - -/* Transaction rollback segment header */ -/*-------------------------------------------------------------*/ -#define TRX_RSEG_MAX_SIZE 0 /* Maximum allowed size for rollback - segment in pages */ -#define TRX_RSEG_HISTORY_SIZE 4 /* Number of file pages occupied - by the logs in the history list */ -#define TRX_RSEG_HISTORY 8 /* The update undo logs for committed - transactions */ -#define TRX_RSEG_FSEG_HEADER (8 + FLST_BASE_NODE_SIZE) - /* Header for the file segment where - this page is placed */ -#define TRX_RSEG_UNDO_SLOTS (8 + FLST_BASE_NODE_SIZE + FSEG_HEADER_SIZE) - /* Undo log segment slots */ -/*-------------------------------------------------------------*/ - -#ifndef UNIV_NONINL -#include "trx0rseg.ic" -#endif - -#endif diff --git a/perfschema/include/trx0rseg.ic b/perfschema/include/trx0rseg.ic deleted file mode 100644 index daffa92fc7d..00000000000 --- a/perfschema/include/trx0rseg.ic +++ /dev/null @@ -1,145 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0rseg.ic -Rollback segment - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "srv0srv.h" -#include "mtr0log.h" - -/******************************************************************//** -Gets a rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get( -/*==========*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - trx_rsegf_t* header; - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_RSEG_HEADER); - - header = TRX_RSEG + buf_block_get_frame(block); - - return(header); -} - -/******************************************************************//** -Gets a newly created rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get_new( -/*==============*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - trx_rsegf_t* header; - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); - - header = TRX_RSEG + buf_block_get_frame(block); - - return(header); -} - -/***************************************************************//** -Gets the file page number of the nth undo log slot. -@return page number of the undo log segment */ -UNIV_INLINE -ulint -trx_rsegf_get_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { - fprintf(stderr, - "InnoDB: Error: trying to get slot %lu of rseg\n", - (ulong) n); - ut_error; - } - - return(mtr_read_ulint(rsegf + TRX_RSEG_UNDO_SLOTS - + n * TRX_RSEG_SLOT_SIZE, MLOG_4BYTES, mtr)); -} - -/***************************************************************//** -Sets the file page number of the nth undo log slot. */ -UNIV_INLINE -void -trx_rsegf_set_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - ulint page_no,/*!< in: page number of the undo log segment */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { - fprintf(stderr, - "InnoDB: Error: trying to set slot %lu of rseg\n", - (ulong) n); - ut_error; - } - - mlog_write_ulint(rsegf + TRX_RSEG_UNDO_SLOTS + n * TRX_RSEG_SLOT_SIZE, - page_no, MLOG_4BYTES, mtr); -} - -/****************************************************************//** -Looks for a free slot for an undo log segment. -@return slot index or ULINT_UNDEFINED if not found */ -UNIV_INLINE -ulint -trx_rsegf_undo_find_free( -/*=====================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - ulint page_no; - - for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { - - page_no = trx_rsegf_get_nth_undo(rsegf, i, mtr); - - if (page_no == FIL_NULL) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} diff --git a/perfschema/include/trx0sys.h b/perfschema/include/trx0sys.h deleted file mode 100644 index cbb89689748..00000000000 --- a/perfschema/include/trx0sys.h +++ /dev/null @@ -1,626 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0sys.h -Transaction system - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0sys_h -#define trx0sys_h - -#include "univ.i" - -#include "trx0types.h" -#include "fsp0types.h" -#include "fil0fil.h" -#include "buf0buf.h" -#ifndef UNIV_HOTBACKUP -#include "mtr0mtr.h" -#include "ut0byte.h" -#include "mem0mem.h" -#include "sync0sync.h" -#include "ut0lst.h" -#include "read0types.h" -#include "page0types.h" - -/** In a MySQL replication slave, in crash recovery we store the master log -file name and position here. */ -/* @{ */ -/** Master binlog file name */ -extern char trx_sys_mysql_master_log_name[]; -/** Master binlog file position. We have successfully got the updates -up to this position. -1 means that no crash recovery was needed, or -there was no master log position info inside InnoDB.*/ -extern ib_int64_t trx_sys_mysql_master_log_pos; -/* @} */ - -/** If this MySQL server uses binary logging, after InnoDB has been inited -and if it has done a crash recovery, we store the binlog file name and position -here. */ -/* @{ */ -/** Binlog file name */ -extern char trx_sys_mysql_bin_log_name[]; -/** Binlog file position, or -1 if unknown */ -extern ib_int64_t trx_sys_mysql_bin_log_pos; -/* @} */ - -/** The transaction system */ -extern trx_sys_t* trx_sys; - -/** Doublewrite system */ -extern trx_doublewrite_t* trx_doublewrite; -/** The following is set to TRUE when we are upgrading from pre-4.1 -format data files to the multiple tablespaces format data files */ -extern ibool trx_doublewrite_must_reset_space_ids; -/** Set to TRUE when the doublewrite buffer is being created */ -extern ibool trx_doublewrite_buf_is_being_created; -/** The following is TRUE when we are using the database in the -post-4.1 format, i.e., we have successfully upgraded, or have created -a new database installation */ -extern ibool trx_sys_multiple_tablespace_format; - -/****************************************************************//** -Creates the doublewrite buffer to a new InnoDB installation. The header of the -doublewrite buffer is placed on the trx system header page. */ -UNIV_INTERN -void -trx_sys_create_doublewrite_buf(void); -/*================================*/ -/****************************************************************//** -At a database startup initializes the doublewrite buffer memory structure if -we already have a doublewrite buffer created in the data files. If we are -upgrading to an InnoDB version which supports multiple tablespaces, then this -function performs the necessary update operations. If we are in a crash -recovery, this function uses a possible doublewrite buffer to restore -half-written pages in the data files. */ -UNIV_INTERN -void -trx_sys_doublewrite_init_or_restore_pages( -/*======================================*/ - ibool restore_corrupt_pages); /*!< in: TRUE=restore pages */ -/****************************************************************//** -Marks the trx sys header when we have successfully upgraded to the >= 4.1.x -multiple tablespace format. */ -UNIV_INTERN -void -trx_sys_mark_upgraded_to_multiple_tablespaces(void); -/*===============================================*/ -/****************************************************************//** -Determines if a page number is located inside the doublewrite buffer. -@return TRUE if the location is inside the two blocks of the -doublewrite buffer */ -UNIV_INTERN -ibool -trx_doublewrite_page_inside( -/*========================*/ - ulint page_no); /*!< in: page number */ -/***************************************************************//** -Checks if a page address is the trx sys header page. -@return TRUE if trx sys header page */ -UNIV_INLINE -ibool -trx_sys_hdr_page( -/*=============*/ - ulint space, /*!< in: space */ - ulint page_no);/*!< in: page number */ -/*****************************************************************//** -Creates and initializes the central memory structures for the transaction -system. This is called when the database is started. */ -UNIV_INTERN -void -trx_sys_init_at_db_start(void); -/*==========================*/ -/*****************************************************************//** -Creates and initializes the transaction system at the database creation. */ -UNIV_INTERN -void -trx_sys_create(void); -/*================*/ -/****************************************************************//** -Looks for a free slot for a rollback segment in the trx system file copy. -@return slot index or ULINT_UNDEFINED if not found */ -UNIV_INTERN -ulint -trx_sysf_rseg_find_free( -/*====================*/ - mtr_t* mtr); /*!< in: mtr */ -/***************************************************************//** -Gets the pointer in the nth slot of the rseg array. -@return pointer to rseg object, NULL if slot not in use */ -UNIV_INLINE -trx_rseg_t* -trx_sys_get_nth_rseg( -/*=================*/ - trx_sys_t* sys, /*!< in: trx system */ - ulint n); /*!< in: index of slot */ -/***************************************************************//** -Sets the pointer in the nth slot of the rseg array. */ -UNIV_INLINE -void -trx_sys_set_nth_rseg( -/*=================*/ - trx_sys_t* sys, /*!< in: trx system */ - ulint n, /*!< in: index of slot */ - trx_rseg_t* rseg); /*!< in: pointer to rseg object, NULL if slot - not in use */ -/**********************************************************************//** -Gets a pointer to the transaction system file copy and x-locks its page. -@return pointer to system file copy, page x-locked */ -UNIV_INLINE -trx_sysf_t* -trx_sysf_get( -/*=========*/ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Gets the space of the nth rollback segment slot in the trx system -file copy. -@return space id */ -UNIV_INLINE -ulint -trx_sysf_rseg_get_space( -/*====================*/ - trx_sysf_t* sys_header, /*!< in: trx sys file copy */ - ulint i, /*!< in: slot index == rseg id */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Gets the page number of the nth rollback segment slot in the trx system -file copy. -@return page number, FIL_NULL if slot unused */ -UNIV_INLINE -ulint -trx_sysf_rseg_get_page_no( -/*======================*/ - trx_sysf_t* sys_header, /*!< in: trx sys file copy */ - ulint i, /*!< in: slot index == rseg id */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Sets the space id of the nth rollback segment slot in the trx system -file copy. */ -UNIV_INLINE -void -trx_sysf_rseg_set_space( -/*====================*/ - trx_sysf_t* sys_header, /*!< in: trx sys file copy */ - ulint i, /*!< in: slot index == rseg id */ - ulint space, /*!< in: space id */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Sets the page number of the nth rollback segment slot in the trx system -file copy. */ -UNIV_INLINE -void -trx_sysf_rseg_set_page_no( -/*======================*/ - trx_sysf_t* sys_header, /*!< in: trx sys file copy */ - ulint i, /*!< in: slot index == rseg id */ - ulint page_no, /*!< in: page number, FIL_NULL if - the slot is reset to unused */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Allocates a new transaction id. -@return new, allocated trx id */ -UNIV_INLINE -trx_id_t -trx_sys_get_new_trx_id(void); -/*========================*/ -/*****************************************************************//** -Allocates a new transaction number. -@return new, allocated trx number */ -UNIV_INLINE -trx_id_t -trx_sys_get_new_trx_no(void); -/*========================*/ -#endif /* !UNIV_HOTBACKUP */ -/*****************************************************************//** -Writes a trx id to an index page. In case that the id size changes in -some future version, this function should be used instead of -mach_write_... */ -UNIV_INLINE -void -trx_write_trx_id( -/*=============*/ - byte* ptr, /*!< in: pointer to memory where written */ - trx_id_t id); /*!< in: id */ -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Reads a trx id from an index page. In case that the id size changes in -some future version, this function should be used instead of -mach_read_... -@return id */ -UNIV_INLINE -trx_id_t -trx_read_trx_id( -/*============*/ - const byte* ptr); /*!< in: pointer to memory from where to read */ -/****************************************************************//** -Looks for the trx handle with the given id in trx_list. -@return the trx handle or NULL if not found */ -UNIV_INLINE -trx_t* -trx_get_on_id( -/*==========*/ - trx_id_t trx_id);/*!< in: trx id to search for */ -/****************************************************************//** -Returns the minumum trx id in trx list. This is the smallest id for which -the trx can possibly be active. (But, you must look at the trx->conc_state to -find out if the minimum trx id transaction itself is active, or already -committed.) -@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ -UNIV_INLINE -trx_id_t -trx_list_get_min_trx_id(void); -/*=========================*/ -/****************************************************************//** -Checks if a transaction with the given id is active. -@return TRUE if active */ -UNIV_INLINE -ibool -trx_is_active( -/*==========*/ - trx_id_t trx_id);/*!< in: trx id of the transaction */ -/****************************************************************//** -Checks that trx is in the trx list. -@return TRUE if is in */ -UNIV_INTERN -ibool -trx_in_trx_list( -/*============*/ - trx_t* in_trx);/*!< in: trx */ -/*****************************************************************//** -Updates the offset information about the end of the MySQL binlog entry -which corresponds to the transaction just being committed. In a MySQL -replication slave updates the latest master binlog position up to which -replication has proceeded. */ -UNIV_INTERN -void -trx_sys_update_mysql_binlog_offset( -/*===============================*/ - const char* file_name,/*!< in: MySQL log file name */ - ib_int64_t offset, /*!< in: position in that log file */ - ulint field, /*!< in: offset of the MySQL log info field in - the trx sys header */ - mtr_t* mtr); /*!< in: mtr */ -/*****************************************************************//** -Prints to stderr the MySQL binlog offset info in the trx system header if -the magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset(void); -/*===================================*/ -/*****************************************************************//** -Prints to stderr the MySQL master log offset info in the trx system header if -the magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_master_log_pos(void); -/*====================================*/ -/*****************************************************************//** -Initializes the tablespace tag system. */ -UNIV_INTERN -void -trx_sys_file_format_init(void); -/*==========================*/ -/*****************************************************************//** -Closes the tablespace tag system. */ -UNIV_INTERN -void -trx_sys_file_format_close(void); -/*===========================*/ -/********************************************************************//** -Tags the system table space with minimum format id if it has not been -tagged yet. -WARNING: This function is only called during the startup and AFTER the -redo log application during recovery has finished. */ -UNIV_INTERN -void -trx_sys_file_format_tag_init(void); -/*==============================*/ -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Shutdown/Close the transaction system. */ -UNIV_INTERN -void -trx_sys_close(void); -/*===============*/ -#endif /* !UNIV_HOTBACKUP */ -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the name */ -UNIV_INTERN -const char* -trx_sys_file_format_id_to_name( -/*===========================*/ - const ulint id); /*!< in: id of the file format */ -/*****************************************************************//** -Set the file format id unconditionally except if it's already the -same value. -@return TRUE if value updated */ -UNIV_INTERN -ibool -trx_sys_file_format_max_set( -/*========================*/ - ulint format_id, /*!< in: file format id */ - const char** name); /*!< out: max file format name or - NULL if not needed. */ -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the max format name */ -UNIV_INTERN -const char* -trx_sys_file_format_max_get(void); -/*=============================*/ -/*****************************************************************//** -Check for the max file format tag stored on disk. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -trx_sys_file_format_max_check( -/*==========================*/ - ulint max_format_id); /*!< in: the max format id to check */ -/********************************************************************//** -Update the file format tag in the system tablespace only if the given -format id is greater than the known max id. -@return TRUE if format_id was bigger than the known max id */ -UNIV_INTERN -ibool -trx_sys_file_format_max_upgrade( -/*============================*/ - const char** name, /*!< out: max file format name */ - ulint format_id); /*!< in: file format identifier */ -#else /* !UNIV_HOTBACKUP */ -/*****************************************************************//** -Prints to stderr the MySQL binlog info in the system header if the -magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset_from_page( -/*========================================*/ - const byte* page); /*!< in: buffer containing the trx - system header page, i.e., page number - TRX_SYS_PAGE_NO in the tablespace */ -/*****************************************************************//** -Reads the file format id from the first system table space file. -Even if the call succeeds and returns TRUE, the returned format id -may be ULINT_UNDEFINED signalling that the format id was not present -in the data file. -@return TRUE if call succeeds */ -UNIV_INTERN -ibool -trx_sys_read_file_format_id( -/*========================*/ - const char *pathname, /*!< in: pathname of the first system - table space file */ - ulint *format_id); /*!< out: file format of the system table - space */ -/*****************************************************************//** -Reads the file format id from the given per-table data file. -@return TRUE if call succeeds */ -UNIV_INTERN -ibool -trx_sys_read_pertable_file_format_id( -/*=================================*/ - const char *pathname, /*!< in: pathname of a per-table - datafile */ - ulint *format_id); /*!< out: file format of the per-table - data file */ -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the name */ -UNIV_INTERN -const char* -trx_sys_file_format_id_to_name( -/*===========================*/ - const ulint id); /*!< in: id of the file format */ - -#endif /* !UNIV_HOTBACKUP */ -/* The automatically created system rollback segment has this id */ -#define TRX_SYS_SYSTEM_RSEG_ID 0 - -/* Space id and page no where the trx system file copy resides */ -#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ -#include "fsp0fsp.h" -#define TRX_SYS_PAGE_NO FSP_TRX_SYS_PAGE_NO - -/* The offset of the transaction system header on the page */ -#define TRX_SYS FSEG_PAGE_DATA - -/** Transaction system header */ -/*------------------------------------------------------------- @{ */ -#define TRX_SYS_TRX_ID_STORE 0 /*!< the maximum trx id or trx - number modulo - TRX_SYS_TRX_ID_UPDATE_MARGIN - written to a file page by any - transaction; the assignment of - transaction ids continues from - this number rounded up by - TRX_SYS_TRX_ID_UPDATE_MARGIN - plus - TRX_SYS_TRX_ID_UPDATE_MARGIN - when the database is - started */ -#define TRX_SYS_FSEG_HEADER 8 /*!< segment header for the - tablespace segment the trx - system is created into */ -#define TRX_SYS_RSEGS (8 + FSEG_HEADER_SIZE) - /*!< the start of the array of - rollback segment specification - slots */ -/*------------------------------------------------------------- @} */ - -/** Maximum number of rollback segments: the number of segment -specification slots in the transaction system array; rollback segment -id must fit in one byte, therefore 256; each slot is currently 8 bytes -in size */ -#define TRX_SYS_N_RSEGS 256 - -/** Maximum length of MySQL binlog file name, in bytes. -@see trx_sys_mysql_master_log_name -@see trx_sys_mysql_bin_log_name */ -#define TRX_SYS_MYSQL_LOG_NAME_LEN 512 -/** Contents of TRX_SYS_MYSQL_LOG_MAGIC_N_FLD */ -#define TRX_SYS_MYSQL_LOG_MAGIC_N 873422344 - -#if UNIV_PAGE_SIZE < 4096 -# error "UNIV_PAGE_SIZE < 4096" -#endif -/** The offset of the MySQL replication info in the trx system header; -this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */ -#define TRX_SYS_MYSQL_MASTER_LOG_INFO (UNIV_PAGE_SIZE - 2000) - -/** The offset of the MySQL binlog offset info in the trx system header */ -#define TRX_SYS_MYSQL_LOG_INFO (UNIV_PAGE_SIZE - 1000) -#define TRX_SYS_MYSQL_LOG_MAGIC_N_FLD 0 /*!< magic number which is - TRX_SYS_MYSQL_LOG_MAGIC_N - if we have valid data in the - MySQL binlog info */ -#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH 4 /*!< high 4 bytes of the offset - within that file */ -#define TRX_SYS_MYSQL_LOG_OFFSET_LOW 8 /*!< low 4 bytes of the offset - within that file */ -#define TRX_SYS_MYSQL_LOG_NAME 12 /*!< MySQL log file name */ - -/** Doublewrite buffer */ -/* @{ */ -/** The offset of the doublewrite buffer header on the trx system header page */ -#define TRX_SYS_DOUBLEWRITE (UNIV_PAGE_SIZE - 200) -/*-------------------------------------------------------------*/ -#define TRX_SYS_DOUBLEWRITE_FSEG 0 /*!< fseg header of the fseg - containing the doublewrite - buffer */ -#define TRX_SYS_DOUBLEWRITE_MAGIC FSEG_HEADER_SIZE - /*!< 4-byte magic number which - shows if we already have - created the doublewrite - buffer */ -#define TRX_SYS_DOUBLEWRITE_BLOCK1 (4 + FSEG_HEADER_SIZE) - /*!< page number of the - first page in the first - sequence of 64 - (= FSP_EXTENT_SIZE) consecutive - pages in the doublewrite - buffer */ -#define TRX_SYS_DOUBLEWRITE_BLOCK2 (8 + FSEG_HEADER_SIZE) - /*!< page number of the - first page in the second - sequence of 64 consecutive - pages in the doublewrite - buffer */ -#define TRX_SYS_DOUBLEWRITE_REPEAT 12 /*!< we repeat - TRX_SYS_DOUBLEWRITE_MAGIC, - TRX_SYS_DOUBLEWRITE_BLOCK1, - TRX_SYS_DOUBLEWRITE_BLOCK2 - so that if the trx sys - header is half-written - to disk, we still may - be able to recover the - information */ -/** If this is not yet set to TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, -we must reset the doublewrite buffer, because starting from 4.1.x the -space id of a data page is stored into -FIL_PAGE_ARCH_LOG_NO_OR_SPACE_NO. */ -#define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED (24 + FSEG_HEADER_SIZE) - -/*-------------------------------------------------------------*/ -/** Contents of TRX_SYS_DOUBLEWRITE_MAGIC */ -#define TRX_SYS_DOUBLEWRITE_MAGIC_N 536853855 -/** Contents of TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED */ -#define TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N 1783657386 - -/** Size of the doublewrite block in pages */ -#define TRX_SYS_DOUBLEWRITE_BLOCK_SIZE FSP_EXTENT_SIZE -/* @} */ - -#ifndef UNIV_HOTBACKUP -/** File format tag */ -/* @{ */ -/** The offset of the file format tag on the trx system header page -(TRX_SYS_PAGE_NO of TRX_SYS_SPACE) */ -#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) - -/** Contents of TRX_SYS_FILE_FORMAT_TAG when valid. The file format -identifier is added to this constant. */ -#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL -/** Contents of TRX_SYS_FILE_FORMAT_TAG+4 when valid */ -#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL -/* @} */ - -/** Doublewrite control struct */ -struct trx_doublewrite_struct{ - mutex_t mutex; /*!< mutex protecting the first_free field and - write_buf */ - ulint block1; /*!< the page number of the first - doublewrite block (64 pages) */ - ulint block2; /*!< page number of the second block */ - ulint first_free; /*!< first free position in write_buf measured - in units of UNIV_PAGE_SIZE */ - byte* write_buf; /*!< write buffer used in writing to the - doublewrite buffer, aligned to an - address divisible by UNIV_PAGE_SIZE - (which is required by Windows aio) */ - byte* write_buf_unaligned; - /*!< pointer to write_buf, but unaligned */ - buf_page_t** - buf_block_arr; /*!< array to store pointers to the buffer - blocks which have been cached to write_buf */ -}; - -/** The transaction system central memory data structure; protected by the -kernel mutex */ -struct trx_sys_struct{ - trx_id_t max_trx_id; /*!< The smallest number not yet - assigned as a transaction id or - transaction number */ - UT_LIST_BASE_NODE_T(trx_t) trx_list; - /*!< List of active and committed in - memory transactions, sorted on trx id, - biggest first */ - UT_LIST_BASE_NODE_T(trx_t) mysql_trx_list; - /*!< List of transactions created - for MySQL */ - UT_LIST_BASE_NODE_T(trx_rseg_t) rseg_list; - /*!< List of rollback segment - objects */ - trx_rseg_t* latest_rseg; /*!< Latest rollback segment in the - round-robin assignment of rollback - segments to transactions */ - trx_rseg_t* rseg_array[TRX_SYS_N_RSEGS]; - /*!< Pointer array to rollback - segments; NULL if slot not in use */ - ulint rseg_history_len;/*!< Length of the TRX_RSEG_HISTORY - list (update undo logs for committed - transactions), protected by - rseg->mutex */ - UT_LIST_BASE_NODE_T(read_view_t) view_list; - /*!< List of read views sorted - on trx no, biggest first */ -}; - -/** When a trx id which is zero modulo this number (which must be a power of -two) is assigned, the field TRX_SYS_TRX_ID_STORE on the transaction system -page is updated */ -#define TRX_SYS_TRX_ID_WRITE_MARGIN 256 -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_NONINL -#include "trx0sys.ic" -#endif - -#endif diff --git a/perfschema/include/trx0sys.ic b/perfschema/include/trx0sys.ic deleted file mode 100644 index 820d31d0692..00000000000 --- a/perfschema/include/trx0sys.ic +++ /dev/null @@ -1,387 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0sys.ic -Transaction system - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0trx.h" -#include "data0type.h" -#ifndef UNIV_HOTBACKUP -# include "srv0srv.h" -# include "mtr0log.h" - -/* The typedef for rseg slot in the file copy */ -typedef byte trx_sysf_rseg_t; - -/* Rollback segment specification slot offsets */ -/*-------------------------------------------------------------*/ -#define TRX_SYS_RSEG_SPACE 0 /* space where the segment - header is placed; starting with - MySQL/InnoDB 5.1.7, this is - UNIV_UNDEFINED if the slot is unused */ -#define TRX_SYS_RSEG_PAGE_NO 4 /* page number where the segment - header is placed; this is FIL_NULL - if the slot is unused */ -/*-------------------------------------------------------------*/ -/* Size of a rollback segment specification slot */ -#define TRX_SYS_RSEG_SLOT_SIZE 8 - -/*****************************************************************//** -Writes the value of max_trx_id to the file based trx system header. */ -UNIV_INTERN -void -trx_sys_flush_max_trx_id(void); -/*==========================*/ - -/***************************************************************//** -Checks if a page address is the trx sys header page. -@return TRUE if trx sys header page */ -UNIV_INLINE -ibool -trx_sys_hdr_page( -/*=============*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - if ((space == TRX_SYS_SPACE) && (page_no == TRX_SYS_PAGE_NO)) { - - return(TRUE); - } - - return(FALSE); -} - -/***************************************************************//** -Gets the pointer in the nth slot of the rseg array. -@return pointer to rseg object, NULL if slot not in use */ -UNIV_INLINE -trx_rseg_t* -trx_sys_get_nth_rseg( -/*=================*/ - trx_sys_t* sys, /*!< in: trx system */ - ulint n) /*!< in: index of slot */ -{ - ut_ad(mutex_own(&(kernel_mutex))); - ut_ad(n < TRX_SYS_N_RSEGS); - - return(sys->rseg_array[n]); -} - -/***************************************************************//** -Sets the pointer in the nth slot of the rseg array. */ -UNIV_INLINE -void -trx_sys_set_nth_rseg( -/*=================*/ - trx_sys_t* sys, /*!< in: trx system */ - ulint n, /*!< in: index of slot */ - trx_rseg_t* rseg) /*!< in: pointer to rseg object, NULL if slot - not in use */ -{ - ut_ad(n < TRX_SYS_N_RSEGS); - - sys->rseg_array[n] = rseg; -} - -/**********************************************************************//** -Gets a pointer to the transaction system header and x-latches its page. -@return pointer to system header, page x-latched. */ -UNIV_INLINE -trx_sysf_t* -trx_sysf_get( -/*=========*/ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - trx_sysf_t* header; - - ut_ad(mtr); - - block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, - RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); - - header = TRX_SYS + buf_block_get_frame(block); - - return(header); -} - -/*****************************************************************//** -Gets the space of the nth rollback segment slot in the trx system -file copy. -@return space id */ -UNIV_INLINE -ulint -trx_sysf_rseg_get_space( -/*====================*/ - trx_sysf_t* sys_header, /*!< in: trx sys header */ - ulint i, /*!< in: slot index == rseg id */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mutex_own(&(kernel_mutex))); - ut_ad(sys_header); - ut_ad(i < TRX_SYS_N_RSEGS); - - return(mtr_read_ulint(sys_header + TRX_SYS_RSEGS - + i * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE, MLOG_4BYTES, mtr)); -} - -/*****************************************************************//** -Gets the page number of the nth rollback segment slot in the trx system -header. -@return page number, FIL_NULL if slot unused */ -UNIV_INLINE -ulint -trx_sysf_rseg_get_page_no( -/*======================*/ - trx_sysf_t* sys_header, /*!< in: trx system header */ - ulint i, /*!< in: slot index == rseg id */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(sys_header); - ut_ad(mutex_own(&(kernel_mutex))); - ut_ad(i < TRX_SYS_N_RSEGS); - - return(mtr_read_ulint(sys_header + TRX_SYS_RSEGS - + i * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_PAGE_NO, MLOG_4BYTES, mtr)); -} - -/*****************************************************************//** -Sets the space id of the nth rollback segment slot in the trx system -file copy. */ -UNIV_INLINE -void -trx_sysf_rseg_set_space( -/*====================*/ - trx_sysf_t* sys_header, /*!< in: trx sys file copy */ - ulint i, /*!< in: slot index == rseg id */ - ulint space, /*!< in: space id */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mutex_own(&(kernel_mutex))); - ut_ad(sys_header); - ut_ad(i < TRX_SYS_N_RSEGS); - - mlog_write_ulint(sys_header + TRX_SYS_RSEGS - + i * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE, - space, - MLOG_4BYTES, mtr); -} - -/*****************************************************************//** -Sets the page number of the nth rollback segment slot in the trx system -header. */ -UNIV_INLINE -void -trx_sysf_rseg_set_page_no( -/*======================*/ - trx_sysf_t* sys_header, /*!< in: trx sys header */ - ulint i, /*!< in: slot index == rseg id */ - ulint page_no, /*!< in: page number, FIL_NULL if the - slot is reset to unused */ - mtr_t* mtr) /*!< in: mtr */ -{ - ut_ad(mutex_own(&(kernel_mutex))); - ut_ad(sys_header); - ut_ad(i < TRX_SYS_N_RSEGS); - - mlog_write_ulint(sys_header + TRX_SYS_RSEGS - + i * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_PAGE_NO, - page_no, - MLOG_4BYTES, mtr); -} -#endif /* !UNIV_HOTBACKUP */ - -/*****************************************************************//** -Writes a trx id to an index page. In case that the id size changes in -some future version, this function should be used instead of -mach_write_... */ -UNIV_INLINE -void -trx_write_trx_id( -/*=============*/ - byte* ptr, /*!< in: pointer to memory where written */ - trx_id_t id) /*!< in: id */ -{ -#if DATA_TRX_ID_LEN != 6 -# error "DATA_TRX_ID_LEN != 6" -#endif - mach_write_to_6(ptr, id); -} - -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Reads a trx id from an index page. In case that the id size changes in -some future version, this function should be used instead of -mach_read_... -@return id */ -UNIV_INLINE -trx_id_t -trx_read_trx_id( -/*============*/ - const byte* ptr) /*!< in: pointer to memory from where to read */ -{ -#if DATA_TRX_ID_LEN != 6 -# error "DATA_TRX_ID_LEN != 6" -#endif - return(mach_read_from_6(ptr)); -} - -/****************************************************************//** -Looks for the trx handle with the given id in trx_list. -@return the trx handle or NULL if not found */ -UNIV_INLINE -trx_t* -trx_get_on_id( -/*==========*/ - trx_id_t trx_id) /*!< in: trx id to search for */ -{ - trx_t* trx; - - ut_ad(mutex_own(&(kernel_mutex))); - - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx != NULL) { - if (0 == ut_dulint_cmp(trx_id, trx->id)) { - - return(trx); - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - return(NULL); -} - -/****************************************************************//** -Returns the minumum trx id in trx list. This is the smallest id for which -the trx can possibly be active. (But, you must look at the trx->conc_state to -find out if the minimum trx id transaction itself is active, or already -committed.) -@return the minimum trx id, or trx_sys->max_trx_id if the trx list is empty */ -UNIV_INLINE -trx_id_t -trx_list_get_min_trx_id(void) -/*=========================*/ -{ - trx_t* trx; - - ut_ad(mutex_own(&(kernel_mutex))); - - trx = UT_LIST_GET_LAST(trx_sys->trx_list); - - if (trx == NULL) { - - return(trx_sys->max_trx_id); - } - - return(trx->id); -} - -/****************************************************************//** -Checks if a transaction with the given id is active. -@return TRUE if active */ -UNIV_INLINE -ibool -trx_is_active( -/*==========*/ - trx_id_t trx_id) /*!< in: trx id of the transaction */ -{ - trx_t* trx; - - ut_ad(mutex_own(&(kernel_mutex))); - - if (ut_dulint_cmp(trx_id, trx_list_get_min_trx_id()) < 0) { - - return(FALSE); - } - - if (ut_dulint_cmp(trx_id, trx_sys->max_trx_id) >= 0) { - - /* There must be corruption: we return TRUE because this - function is only called by lock_clust_rec_some_has_impl() - and row_vers_impl_x_locked_off_kernel() and they have - diagnostic prints in this case */ - - return(TRUE); - } - - trx = trx_get_on_id(trx_id); - if (trx && (trx->conc_state == TRX_ACTIVE - || trx->conc_state == TRX_PREPARED)) { - - return(TRUE); - } - - return(FALSE); -} - -/*****************************************************************//** -Allocates a new transaction id. -@return new, allocated trx id */ -UNIV_INLINE -trx_id_t -trx_sys_get_new_trx_id(void) -/*========================*/ -{ - trx_id_t id; - - ut_ad(mutex_own(&kernel_mutex)); - - /* VERY important: after the database is started, max_trx_id value is - divisible by TRX_SYS_TRX_ID_WRITE_MARGIN, and the following if - will evaluate to TRUE when this function is first time called, - and the value for trx id will be written to disk-based header! - Thus trx id values will not overlap when the database is - repeatedly started! */ - - if (ut_dulint_get_low(trx_sys->max_trx_id) - % TRX_SYS_TRX_ID_WRITE_MARGIN == 0) { - - trx_sys_flush_max_trx_id(); - } - - id = trx_sys->max_trx_id; - - UT_DULINT_INC(trx_sys->max_trx_id); - - return(id); -} - -/*****************************************************************//** -Allocates a new transaction number. -@return new, allocated trx number */ -UNIV_INLINE -trx_id_t -trx_sys_get_new_trx_no(void) -/*========================*/ -{ - ut_ad(mutex_own(&kernel_mutex)); - - return(trx_sys_get_new_trx_id()); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0trx.h b/perfschema/include/trx0trx.h deleted file mode 100644 index 480f265a138..00000000000 --- a/perfschema/include/trx0trx.h +++ /dev/null @@ -1,817 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0trx.h -The transaction - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0trx_h -#define trx0trx_h - -#include "univ.i" -#include "trx0types.h" -#include "dict0types.h" -#ifndef UNIV_HOTBACKUP -#include "lock0types.h" -#include "usr0types.h" -#include "que0types.h" -#include "mem0mem.h" -#include "read0types.h" -#include "trx0xa.h" -#include "ut0vec.h" - -/** Dummy session used currently in MySQL interface */ -extern sess_t* trx_dummy_sess; - -/** Number of transactions currently allocated for MySQL: protected by -the kernel mutex */ -extern ulint trx_n_mysql_transactions; - -/********************************************************************//** -Releases the search latch if trx has reserved it. */ -UNIV_INTERN -void -trx_search_latch_release_if_reserved( -/*=================================*/ - trx_t* trx); /*!< in: transaction */ -/******************************************************************//** -Set detailed error message for the transaction. */ -UNIV_INTERN -void -trx_set_detailed_error( -/*===================*/ - trx_t* trx, /*!< in: transaction struct */ - const char* msg); /*!< in: detailed error message */ -/*************************************************************//** -Set detailed error message for the transaction from a file. Note that the -file is rewinded before reading from it. */ -UNIV_INTERN -void -trx_set_detailed_error_from_file( -/*=============================*/ - trx_t* trx, /*!< in: transaction struct */ - FILE* file); /*!< in: file to read message from */ -/****************************************************************//** -Retrieves the error_info field from a trx. -@return the error info */ -UNIV_INLINE -const dict_index_t* -trx_get_error_info( -/*===============*/ - const trx_t* trx); /*!< in: trx object */ -/****************************************************************//** -Creates and initializes a transaction object. -@return own: the transaction */ -UNIV_INTERN -trx_t* -trx_create( -/*=======*/ - sess_t* sess) /*!< in: session */ - __attribute__((nonnull)); -/********************************************************************//** -Creates a transaction object for MySQL. -@return own: transaction object */ -UNIV_INTERN -trx_t* -trx_allocate_for_mysql(void); -/*========================*/ -/********************************************************************//** -Creates a transaction object for background operations by the master thread. -@return own: transaction object */ -UNIV_INTERN -trx_t* -trx_allocate_for_background(void); -/*=============================*/ -/********************************************************************//** -Frees a transaction object. */ -UNIV_INTERN -void -trx_free( -/*=====*/ - trx_t* trx); /*!< in, own: trx object */ -/********************************************************************//** -Frees a transaction object for MySQL. */ -UNIV_INTERN -void -trx_free_for_mysql( -/*===============*/ - trx_t* trx); /*!< in, own: trx object */ -/********************************************************************//** -Frees a transaction object of a background operation of the master thread. */ -UNIV_INTERN -void -trx_free_for_background( -/*====================*/ - trx_t* trx); /*!< in, own: trx object */ -/****************************************************************//** -Creates trx objects for transactions and initializes the trx list of -trx_sys at database start. Rollback segment and undo log lists must -already exist when this function is called, because the lists of -transactions to be rolled back or cleaned up are built based on the -undo log lists. */ -UNIV_INTERN -void -trx_lists_init_at_db_start(void); -/*============================*/ -/****************************************************************//** -Starts a new transaction. -@return TRUE if success, FALSE if the rollback segment could not -support this many transactions */ -UNIV_INTERN -ibool -trx_start( -/*======*/ - trx_t* trx, /*!< in: transaction */ - ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED - is passed, the system chooses the rollback segment - automatically in a round-robin fashion */ -/****************************************************************//** -Starts a new transaction. -@return TRUE */ -UNIV_INTERN -ibool -trx_start_low( -/*==========*/ - trx_t* trx, /*!< in: transaction */ - ulint rseg_id);/*!< in: rollback segment id; if ULINT_UNDEFINED - is passed, the system chooses the rollback segment - automatically in a round-robin fashion */ -/*************************************************************//** -Starts the transaction if it is not yet started. */ -UNIV_INLINE -void -trx_start_if_not_started( -/*=====================*/ - trx_t* trx); /*!< in: transaction */ -/*************************************************************//** -Starts the transaction if it is not yet started. Assumes we have reserved -the kernel mutex! */ -UNIV_INLINE -void -trx_start_if_not_started_low( -/*=========================*/ - trx_t* trx); /*!< in: transaction */ -/****************************************************************//** -Commits a transaction. */ -UNIV_INTERN -void -trx_commit_off_kernel( -/*==================*/ - trx_t* trx); /*!< in: transaction */ -/****************************************************************//** -Cleans up a transaction at database startup. The cleanup is needed if -the transaction already got to the middle of a commit when the database -crashed, and we cannot roll it back. */ -UNIV_INTERN -void -trx_cleanup_at_db_startup( -/*======================*/ - trx_t* trx); /*!< in: transaction */ -/**********************************************************************//** -Does the transaction commit for MySQL. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -trx_commit_for_mysql( -/*=================*/ - trx_t* trx); /*!< in: trx handle */ -/**********************************************************************//** -Does the transaction prepare for MySQL. -@return 0 or error number */ -UNIV_INTERN -ulint -trx_prepare_for_mysql( -/*==================*/ - trx_t* trx); /*!< in: trx handle */ -/**********************************************************************//** -This function is used to find number of prepared transactions and -their transaction objects for a recovery. -@return number of prepared transactions */ -UNIV_INTERN -int -trx_recover_for_mysql( -/*==================*/ - XID* xid_list, /*!< in/out: prepared transactions */ - ulint len); /*!< in: number of slots in xid_list */ -/*******************************************************************//** -This function is used to find one X/Open XA distributed transaction -which is in the prepared state -@return trx or NULL */ -UNIV_INTERN -trx_t * -trx_get_trx_by_xid( -/*===============*/ - XID* xid); /*!< in: X/Open XA transaction identification */ -/**********************************************************************//** -If required, flushes the log to disk if we called trx_commit_for_mysql() -with trx->flush_log_later == TRUE. -@return 0 or error number */ -UNIV_INTERN -ulint -trx_commit_complete_for_mysql( -/*==========================*/ - trx_t* trx); /*!< in: trx handle */ -/**********************************************************************//** -Marks the latest SQL statement ended. */ -UNIV_INTERN -void -trx_mark_sql_stat_end( -/*==================*/ - trx_t* trx); /*!< in: trx handle */ -/********************************************************************//** -Assigns a read view for a consistent read query. All the consistent reads -within the same transaction will get the same read view, which is created -when this function is first called for a new started transaction. -@return consistent read view */ -UNIV_INTERN -read_view_t* -trx_assign_read_view( -/*=================*/ - trx_t* trx); /*!< in: active transaction */ -/***********************************************************//** -The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to -the TRX_QUE_RUNNING state and releases query threads which were -waiting for a lock in the wait_thrs list. */ -UNIV_INTERN -void -trx_end_lock_wait( -/*==============*/ - trx_t* trx); /*!< in: transaction */ -/****************************************************************//** -Sends a signal to a trx object. */ -UNIV_INTERN -void -trx_sig_send( -/*=========*/ - trx_t* trx, /*!< in: trx handle */ - ulint type, /*!< in: signal type */ - ulint sender, /*!< in: TRX_SIG_SELF or - TRX_SIG_OTHER_SESS */ - que_thr_t* receiver_thr, /*!< in: query thread which wants the - reply, or NULL; if type is - TRX_SIG_END_WAIT, this must be NULL */ - trx_savept_t* savept, /*!< in: possible rollback savepoint, or - NULL */ - que_thr_t** next_thr); /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if the parameter - is NULL, it is ignored */ -/****************************************************************//** -Send the reply message when a signal in the queue of the trx has -been handled. */ -UNIV_INTERN -void -trx_sig_reply( -/*==========*/ - trx_sig_t* sig, /*!< in: signal */ - que_thr_t** next_thr); /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -/****************************************************************//** -Removes the signal object from a trx signal queue. */ -UNIV_INTERN -void -trx_sig_remove( -/*===========*/ - trx_t* trx, /*!< in: trx handle */ - trx_sig_t* sig); /*!< in, own: signal */ -/****************************************************************//** -Starts handling of a trx signal. */ -UNIV_INTERN -void -trx_sig_start_handle( -/*=================*/ - trx_t* trx, /*!< in: trx handle */ - que_thr_t** next_thr); /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -/****************************************************************//** -Ends signal handling. If the session is in the error state, and -trx->graph_before_signal_handling != NULL, returns control to the error -handling routine of the graph (currently only returns the control to the -graph root which then sends an error message to the client). */ -UNIV_INTERN -void -trx_end_signal_handling( -/*====================*/ - trx_t* trx); /*!< in: trx */ -/*********************************************************************//** -Creates a commit command node struct. -@return own: commit node struct */ -UNIV_INTERN -commit_node_t* -commit_node_create( -/*===============*/ - mem_heap_t* heap); /*!< in: mem heap where created */ -/***********************************************************//** -Performs an execution step for a commit type node in a query graph. -@return query thread to run next, or NULL */ -UNIV_INTERN -que_thr_t* -trx_commit_step( -/*============*/ - que_thr_t* thr); /*!< in: query thread */ - -/**********************************************************************//** -Prints info about a transaction to the given file. The caller must own the -kernel mutex. */ -UNIV_INTERN -void -trx_print( -/*======*/ - FILE* f, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction */ - ulint max_query_len); /*!< in: max query length to print, or 0 to - use the default max length */ - -/** Type of data dictionary operation */ -typedef enum trx_dict_op { - /** The transaction is not modifying the data dictionary. */ - TRX_DICT_OP_NONE = 0, - /** The transaction is creating a table or an index, or - dropping a table. The table must be dropped in crash - recovery. This and TRX_DICT_OP_NONE are the only possible - operation modes in crash recovery. */ - TRX_DICT_OP_TABLE = 1, - /** The transaction is creating or dropping an index in an - existing table. In crash recovery, the data dictionary - must be locked, but the table must not be dropped. */ - TRX_DICT_OP_INDEX = 2 -} trx_dict_op_t; - -/**********************************************************************//** -Determine if a transaction is a dictionary operation. -@return dictionary operation mode */ -UNIV_INLINE -enum trx_dict_op -trx_get_dict_operation( -/*===================*/ - const trx_t* trx) /*!< in: transaction */ - __attribute__((pure)); -/**********************************************************************//** -Flag a transaction a dictionary operation. */ -UNIV_INLINE -void -trx_set_dict_operation( -/*===================*/ - trx_t* trx, /*!< in/out: transaction */ - enum trx_dict_op op); /*!< in: operation, not - TRX_DICT_OP_NONE */ - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Determines if the currently running transaction has been interrupted. -@return TRUE if interrupted */ -UNIV_INTERN -ibool -trx_is_interrupted( -/*===============*/ - trx_t* trx); /*!< in: transaction */ -#else /* !UNIV_HOTBACKUP */ -#define trx_is_interrupted(trx) FALSE -#endif /* !UNIV_HOTBACKUP */ - -/*******************************************************************//** -Calculates the "weight" of a transaction. The weight of one transaction -is estimated as the number of altered rows + the number of locked rows. -@param t transaction -@return transaction weight */ -#define TRX_WEIGHT(t) \ - ut_dulint_add((t)->undo_no, UT_LIST_GET_LEN((t)->trx_locks)) - -/*******************************************************************//** -Compares the "weight" (or size) of two transactions. Transactions that -have edited non-transactional tables are considered heavier than ones -that have not. -@return <0, 0 or >0; similar to strcmp(3) */ -UNIV_INTERN -int -trx_weight_cmp( -/*===========*/ - const trx_t* a, /*!< in: the first transaction to be compared */ - const trx_t* b); /*!< in: the second transaction to be compared */ - -/*******************************************************************//** -Retrieves transacion's id, represented as unsigned long long. -@return transaction's id */ -UNIV_INLINE -ullint -trx_get_id( -/*=======*/ - const trx_t* trx); /*!< in: transaction */ - -/* Maximum length of a string that can be returned by -trx_get_que_state_str(). */ -#define TRX_QUE_STATE_STR_MAX_LEN 12 /* "ROLLING BACK" */ - -/*******************************************************************//** -Retrieves transaction's que state in a human readable string. The string -should not be free()'d or modified. -@return string in the data segment */ -UNIV_INLINE -const char* -trx_get_que_state_str( -/*==================*/ - const trx_t* trx); /*!< in: transaction */ - -/* Signal to a transaction */ -struct trx_sig_struct{ - unsigned type:3; /*!< signal type */ - unsigned sender:1; /*!< TRX_SIG_SELF or - TRX_SIG_OTHER_SESS */ - que_thr_t* receiver; /*!< non-NULL if the sender of the signal - wants reply after the operation induced - by the signal is completed */ - trx_savept_t savept; /*!< possible rollback savepoint */ - UT_LIST_NODE_T(trx_sig_t) - signals; /*!< queue of pending signals to the - transaction */ - UT_LIST_NODE_T(trx_sig_t) - reply_signals; /*!< list of signals for which the sender - transaction is waiting a reply */ -}; - -#define TRX_MAGIC_N 91118598 - -/* The transaction handle; every session has a trx object which is freed only -when the session is freed; in addition there may be session-less transactions -rolling back after a database recovery */ - -struct trx_struct{ - ulint magic_n; - - /* These fields are not protected by any mutex. */ - const char* op_info; /*!< English text describing the - current operation, or an empty - string */ - ulint conc_state; /*!< state of the trx from the point - of view of concurrency control: - TRX_ACTIVE, TRX_COMMITTED_IN_MEMORY, - ... */ - ulint isolation_level;/* TRX_ISO_REPEATABLE_READ, ... */ - ulint check_foreigns; /* normally TRUE, but if the user - wants to suppress foreign key checks, - (in table imports, for example) we - set this FALSE */ - ulint check_unique_secondary; - /* normally TRUE, but if the user - wants to speed up inserts by - suppressing unique key checks - for secondary indexes when we decide - if we can use the insert buffer for - them, we set this FALSE */ - ulint support_xa; /*!< normally we do the XA two-phase - commit steps, but by setting this to - FALSE, one can save CPU time and about - 150 bytes in the undo log size as then - we skip XA steps */ - ulint flush_log_later;/* In 2PC, we hold the - prepare_commit mutex across - both phases. In that case, we - defer flush of the logs to disk - until after we release the - mutex. */ - ulint must_flush_log_later;/* this flag is set to TRUE in - trx_commit_off_kernel() if - flush_log_later was TRUE, and there - were modifications by the transaction; - in that case we must flush the log - in trx_commit_complete_for_mysql() */ - ulint duplicates; /*!< TRX_DUP_IGNORE | TRX_DUP_REPLACE */ - ulint active_trans; /*!< 1 - if a transaction in MySQL - is active. 2 - if prepare_commit_mutex - was taken */ - ulint has_search_latch; - /* TRUE if this trx has latched the - search system latch in S-mode */ - ulint deadlock_mark; /*!< a mark field used in deadlock - checking algorithm. */ - trx_dict_op_t dict_operation; /**< @see enum trx_dict_op */ - - /* Fields protected by the srv_conc_mutex. */ - ulint declared_to_be_inside_innodb; - /* this is TRUE if we have declared - this transaction in - srv_conc_enter_innodb to be inside the - InnoDB engine */ - - /* Fields protected by dict_operation_lock. The very latch - it is used to track. */ - ulint dict_operation_lock_mode; - /*!< 0, RW_S_LATCH, or RW_X_LATCH: - the latch mode trx currently holds - on dict_operation_lock */ - - /* All the next fields are protected by the kernel mutex, except the - undo logs which are protected by undo_mutex */ - ulint is_purge; /*!< 0=user transaction, 1=purge */ - ulint is_recovered; /*!< 0=normal transaction, - 1=recovered, must be rolled back */ - ulint que_state; /*!< valid when conc_state - == TRX_ACTIVE: TRX_QUE_RUNNING, - TRX_QUE_LOCK_WAIT, ... */ - ulint handling_signals;/* this is TRUE as long as the trx - is handling signals */ - time_t start_time; /*!< time the trx object was created - or the state last time became - TRX_ACTIVE */ - trx_id_t id; /*!< transaction id */ - XID xid; /*!< X/Open XA transaction - identification to identify a - transaction branch */ - trx_id_t no; /*!< transaction serialization number == - max trx id when the transaction is - moved to COMMITTED_IN_MEMORY state */ - ib_uint64_t commit_lsn; /*!< lsn at the time of the commit */ - trx_id_t table_id; /*!< Table to drop iff dict_operation - is TRUE, or ut_dulint_zero. */ - /*------------------------------*/ - void* mysql_thd; /*!< MySQL thread handle corresponding - to this trx, or NULL */ - char** mysql_query_str;/* pointer to the field in mysqld_thd - which contains the pointer to the - current SQL query string */ - const char* mysql_log_file_name; - /* if MySQL binlog is used, this field - contains a pointer to the latest file - name; this is NULL if binlog is not - used */ - ib_int64_t mysql_log_offset;/* if MySQL binlog is used, this field - contains the end offset of the binlog - entry */ - os_thread_id_t mysql_thread_id;/* id of the MySQL thread associated - with this transaction object */ - ulint mysql_process_no;/* since in Linux, 'top' reports - process id's and not thread id's, we - store the process number too */ - /*------------------------------*/ - ulint n_mysql_tables_in_use; /* number of Innobase tables - used in the processing of the current - SQL statement in MySQL */ - ulint mysql_n_tables_locked; - /* how many tables the current SQL - statement uses, except those - in consistent read */ - ulint search_latch_timeout; - /* If we notice that someone is - waiting for our S-lock on the search - latch to be released, we wait in - row0sel.c for BTR_SEA_TIMEOUT new - searches until we try to keep - the search latch again over - calls from MySQL; this is intended - to reduce contention on the search - latch */ - /*------------------------------*/ - ulint n_tickets_to_enter_innodb; - /* this can be > 0 only when - declared_to_... is TRUE; when we come - to srv_conc_innodb_enter, if the value - here is > 0, we decrement this by 1 */ - /*------------------------------*/ - UT_LIST_NODE_T(trx_t) - trx_list; /*!< list of transactions */ - UT_LIST_NODE_T(trx_t) - mysql_trx_list; /*!< list of transactions created for - MySQL */ - /*------------------------------*/ - ulint error_state; /*!< 0 if no error, otherwise error - number; NOTE That ONLY the thread - doing the transaction is allowed to - set this field: this is NOT protected - by the kernel mutex */ - const dict_index_t*error_info; /*!< if the error number indicates a - duplicate key error, a pointer to - the problematic index is stored here */ - ulint error_key_num; /*!< if the index creation fails to a - duplicate key error, a mysql key - number of that index is stored here */ - sess_t* sess; /*!< session of the trx, NULL if none */ - que_t* graph; /*!< query currently run in the session, - or NULL if none; NOTE that the query - belongs to the session, and it can - survive over a transaction commit, if - it is a stored procedure with a COMMIT - WORK statement, for instance */ - ulint n_active_thrs; /*!< number of active query threads */ - que_t* graph_before_signal_handling; - /* value of graph when signal handling - for this trx started: this is used to - return control to the original query - graph for error processing */ - trx_sig_t sig; /*!< one signal object can be allocated - in this space, avoiding mem_alloc */ - UT_LIST_BASE_NODE_T(trx_sig_t) - signals; /*!< queue of processed or pending - signals to the trx */ - UT_LIST_BASE_NODE_T(trx_sig_t) - reply_signals; /*!< list of signals sent by the query - threads of this trx for which a thread - is waiting for a reply; if this trx is - killed, the reply requests in the list - must be canceled */ - /*------------------------------*/ - lock_t* wait_lock; /*!< if trx execution state is - TRX_QUE_LOCK_WAIT, this points to - the lock request, otherwise this is - NULL */ - ibool was_chosen_as_deadlock_victim; - /* when the transaction decides to wait - for a lock, it sets this to FALSE; - if another transaction chooses this - transaction as a victim in deadlock - resolution, it sets this to TRUE */ - time_t wait_started; /*!< lock wait started at this time */ - UT_LIST_BASE_NODE_T(que_thr_t) - wait_thrs; /*!< query threads belonging to this - trx that are in the QUE_THR_LOCK_WAIT - state */ - /*------------------------------*/ - mem_heap_t* lock_heap; /*!< memory heap for the locks of the - transaction */ - UT_LIST_BASE_NODE_T(lock_t) - trx_locks; /*!< locks reserved by the transaction */ - /*------------------------------*/ - mem_heap_t* global_read_view_heap; - /* memory heap for the global read - view */ - read_view_t* global_read_view; - /* consistent read view associated - to a transaction or NULL */ - read_view_t* read_view; /*!< consistent read view used in the - transaction or NULL, this read view - if defined can be normal read view - associated to a transaction (i.e. - same as global_read_view) or read view - associated to a cursor */ - /*------------------------------*/ - UT_LIST_BASE_NODE_T(trx_named_savept_t) - trx_savepoints; /*!< savepoints set with SAVEPOINT ..., - oldest first */ - /*------------------------------*/ - mutex_t undo_mutex; /*!< mutex protecting the fields in this - section (down to undo_no_arr), EXCEPT - last_sql_stat_start, which can be - accessed only when we know that there - cannot be any activity in the undo - logs! */ - undo_no_t undo_no; /*!< next undo log record number to - assign; since the undo log is - private for a transaction, this - is a simple ascending sequence - with no gaps; thus it represents - the number of modified/inserted - rows in a transaction */ - trx_savept_t last_sql_stat_start; - /* undo_no when the last sql statement - was started: in case of an error, trx - is rolled back down to this undo - number; see note at undo_mutex! */ - trx_rseg_t* rseg; /*!< rollback segment assigned to the - transaction, or NULL if not assigned - yet */ - trx_undo_t* insert_undo; /*!< pointer to the insert undo log, or - NULL if no inserts performed yet */ - trx_undo_t* update_undo; /*!< pointer to the update undo log, or - NULL if no update performed yet */ - undo_no_t roll_limit; /*!< least undo number to undo during - a rollback */ - ulint pages_undone; /*!< number of undo log pages undone - since the last undo log truncation */ - trx_undo_arr_t* undo_no_arr; /*!< array of undo numbers of undo log - records which are currently processed - by a rollback operation */ - /*------------------------------*/ - ulint n_autoinc_rows; /*!< no. of AUTO-INC rows required for - an SQL statement. This is useful for - multi-row INSERTs */ - ib_vector_t* autoinc_locks; /* AUTOINC locks held by this - transaction. Note that these are - also in the lock list trx_locks. This - vector needs to be freed explicitly - when the trx_t instance is desrtoyed */ - /*------------------------------*/ - char detailed_error[256]; /*!< detailed error message for last - error, or empty. */ -}; - -#define TRX_MAX_N_THREADS 32 /* maximum number of - concurrent threads running a - single operation of a - transaction, e.g., a parallel - query */ -/* Transaction concurrency states (trx->conc_state) */ -#define TRX_NOT_STARTED 0 -#define TRX_ACTIVE 1 -#define TRX_COMMITTED_IN_MEMORY 2 -#define TRX_PREPARED 3 /* Support for 2PC/XA */ - -/* Transaction execution states when trx->conc_state == TRX_ACTIVE */ -#define TRX_QUE_RUNNING 0 /* transaction is running */ -#define TRX_QUE_LOCK_WAIT 1 /* transaction is waiting for a lock */ -#define TRX_QUE_ROLLING_BACK 2 /* transaction is rolling back */ -#define TRX_QUE_COMMITTING 3 /* transaction is committing */ - -/* Transaction isolation levels (trx->isolation_level) */ -#define TRX_ISO_READ_UNCOMMITTED 0 /* dirty read: non-locking - SELECTs are performed so that - we do not look at a possible - earlier version of a record; - thus they are not 'consistent' - reads under this isolation - level; otherwise like level - 2 */ - -#define TRX_ISO_READ_COMMITTED 1 /* somewhat Oracle-like - isolation, except that in - range UPDATE and DELETE we - must block phantom rows - with next-key locks; - SELECT ... FOR UPDATE and ... - LOCK IN SHARE MODE only lock - the index records, NOT the - gaps before them, and thus - allow free inserting; - each consistent read reads its - own snapshot */ - -#define TRX_ISO_REPEATABLE_READ 2 /* this is the default; - all consistent reads in the - same trx read the same - snapshot; - full next-key locking used - in locking reads to block - insertions into gaps */ - -#define TRX_ISO_SERIALIZABLE 3 /* all plain SELECTs are - converted to LOCK IN SHARE - MODE reads */ - -/* Treatment of duplicate values (trx->duplicates; for example, in inserts). -Multiple flags can be combined with bitwise OR. */ -#define TRX_DUP_IGNORE 1 /* duplicate rows are to be updated */ -#define TRX_DUP_REPLACE 2 /* duplicate rows are to be replaced */ - - -/* Types of a trx signal */ -#define TRX_SIG_NO_SIGNAL 0 -#define TRX_SIG_TOTAL_ROLLBACK 1 -#define TRX_SIG_ROLLBACK_TO_SAVEPT 2 -#define TRX_SIG_COMMIT 3 -#define TRX_SIG_ERROR_OCCURRED 4 -#define TRX_SIG_BREAK_EXECUTION 5 - -/* Sender types of a signal */ -#define TRX_SIG_SELF 0 /* sent by the session itself, or - by an error occurring within this - session */ -#define TRX_SIG_OTHER_SESS 1 /* sent by another session (which - must hold rights to this) */ - -/** Commit node states */ -enum commit_node_state { - COMMIT_NODE_SEND = 1, /*!< about to send a commit signal to - the transaction */ - COMMIT_NODE_WAIT /*!< commit signal sent to the transaction, - waiting for completion */ -}; - -/** Commit command node in a query graph */ -struct commit_node_struct{ - que_common_t common; /*!< node type: QUE_NODE_COMMIT */ - enum commit_node_state - state; /*!< node execution state */ -}; - - - -#ifndef UNIV_NONINL -#include "trx0trx.ic" -#endif -#endif /* !UNIV_HOTBACKUP */ - -#endif diff --git a/perfschema/include/trx0trx.ic b/perfschema/include/trx0trx.ic deleted file mode 100644 index 7332eeece85..00000000000 --- a/perfschema/include/trx0trx.ic +++ /dev/null @@ -1,164 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0trx.ic -The transaction - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -/*************************************************************//** -Starts the transaction if it is not yet started. */ -UNIV_INLINE -void -trx_start_if_not_started( -/*=====================*/ - trx_t* trx) /*!< in: transaction */ -{ - ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); - - if (trx->conc_state == TRX_NOT_STARTED) { - - trx_start(trx, ULINT_UNDEFINED); - } -} - -/*************************************************************//** -Starts the transaction if it is not yet started. Assumes we have reserved -the kernel mutex! */ -UNIV_INLINE -void -trx_start_if_not_started_low( -/*=========================*/ - trx_t* trx) /*!< in: transaction */ -{ - ut_ad(trx->conc_state != TRX_COMMITTED_IN_MEMORY); - - if (trx->conc_state == TRX_NOT_STARTED) { - - trx_start_low(trx, ULINT_UNDEFINED); - } -} - -/****************************************************************//** -Retrieves the error_info field from a trx. -@return the error info */ -UNIV_INLINE -const dict_index_t* -trx_get_error_info( -/*===============*/ - const trx_t* trx) /*!< in: trx object */ -{ - return(trx->error_info); -} - -/*******************************************************************//** -Retrieves transacion's id, represented as unsigned long long. -@return transaction's id */ -UNIV_INLINE -ullint -trx_get_id( -/*=======*/ - const trx_t* trx) /*!< in: transaction */ -{ - return((ullint)ut_conv_dulint_to_longlong(trx->id)); -} - -/*******************************************************************//** -Retrieves transaction's que state in a human readable string. The string -should not be free()'d or modified. -@return string in the data segment */ -UNIV_INLINE -const char* -trx_get_que_state_str( -/*==================*/ - const trx_t* trx) /*!< in: transaction */ -{ - /* be sure to adjust TRX_QUE_STATE_STR_MAX_LEN if you change this */ - switch (trx->que_state) { - case TRX_QUE_RUNNING: - return("RUNNING"); - case TRX_QUE_LOCK_WAIT: - return("LOCK WAIT"); - case TRX_QUE_ROLLING_BACK: - return("ROLLING BACK"); - case TRX_QUE_COMMITTING: - return("COMMITTING"); - default: - return("UNKNOWN"); - } -} - -/**********************************************************************//** -Determine if a transaction is a dictionary operation. -@return dictionary operation mode */ -UNIV_INLINE -enum trx_dict_op -trx_get_dict_operation( -/*===================*/ - const trx_t* trx) /*!< in: transaction */ -{ - enum trx_dict_op op = (enum trx_dict_op) trx->dict_operation; - -#ifdef UNIV_DEBUG - switch (op) { - case TRX_DICT_OP_NONE: - case TRX_DICT_OP_TABLE: - case TRX_DICT_OP_INDEX: - return(op); - } - ut_error; -#endif /* UNIV_DEBUG */ - return((enum trx_dict_op) UNIV_EXPECT(op, TRX_DICT_OP_NONE)); -} -/**********************************************************************//** -Flag a transaction a dictionary operation. */ -UNIV_INLINE -void -trx_set_dict_operation( -/*===================*/ - trx_t* trx, /*!< in/out: transaction */ - enum trx_dict_op op) /*!< in: operation, not - TRX_DICT_OP_NONE */ -{ -#ifdef UNIV_DEBUG - enum trx_dict_op old_op = trx_get_dict_operation(trx); - - switch (op) { - case TRX_DICT_OP_NONE: - ut_error; - break; - case TRX_DICT_OP_TABLE: - switch (old_op) { - case TRX_DICT_OP_NONE: - case TRX_DICT_OP_INDEX: - case TRX_DICT_OP_TABLE: - goto ok; - } - ut_error; - break; - case TRX_DICT_OP_INDEX: - ut_ad(old_op == TRX_DICT_OP_NONE); - break; - } -ok: -#endif /* UNIV_DEBUG */ - - trx->dict_operation = op; -} diff --git a/perfschema/include/trx0types.h b/perfschema/include/trx0types.h deleted file mode 100644 index 40a7256cbfd..00000000000 --- a/perfschema/include/trx0types.h +++ /dev/null @@ -1,115 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0types.h -Transaction system global type definitions - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0types_h -#define trx0types_h - -#include "ut0byte.h" - -/** prepare trx_t::id for being printed via printf(3) */ -#define TRX_ID_PREP_PRINTF(id) (ullint) ut_conv_dulint_to_longlong(id) - -/** printf(3) format used for printing TRX_ID_PRINTF_PREP() */ -#define TRX_ID_FMT "%llX" - -/** maximum length that a formatted trx_t::id could take, not including -the terminating NUL character. */ -#define TRX_ID_MAX_LEN 17 - -/** Memory objects */ -/* @{ */ -/** Transaction */ -typedef struct trx_struct trx_t; -/** Transaction system */ -typedef struct trx_sys_struct trx_sys_t; -/** Doublewrite information */ -typedef struct trx_doublewrite_struct trx_doublewrite_t; -/** Signal */ -typedef struct trx_sig_struct trx_sig_t; -/** Rollback segment */ -typedef struct trx_rseg_struct trx_rseg_t; -/** Transaction undo log */ -typedef struct trx_undo_struct trx_undo_t; -/** Array of undo numbers of undo records being rolled back or purged */ -typedef struct trx_undo_arr_struct trx_undo_arr_t; -/** A cell of trx_undo_arr_t */ -typedef struct trx_undo_inf_struct trx_undo_inf_t; -/** The control structure used in the purge operation */ -typedef struct trx_purge_struct trx_purge_t; -/** Rollback command node in a query graph */ -typedef struct roll_node_struct roll_node_t; -/** Commit command node in a query graph */ -typedef struct commit_node_struct commit_node_t; -/** SAVEPOINT command node in a query graph */ -typedef struct trx_named_savept_struct trx_named_savept_t; -/* @} */ - -/** Rollback contexts */ -enum trx_rb_ctx { - RB_NONE = 0, /*!< no rollback */ - RB_NORMAL, /*!< normal rollback */ - RB_RECOVERY_PURGE_REC, - /*!< rolling back an incomplete transaction, - in crash recovery, rolling back an - INSERT that was performed by updating a - delete-marked record; if the delete-marked record - no longer exists in an active read view, it will - be purged */ - RB_RECOVERY /*!< rolling back an incomplete transaction, - in crash recovery */ -}; - -/** Transaction identifier (DB_TRX_ID, DATA_TRX_ID) */ -typedef dulint trx_id_t; -/** Rollback pointer (DB_ROLL_PTR, DATA_ROLL_PTR) */ -typedef dulint roll_ptr_t; -/** Undo number */ -typedef dulint undo_no_t; - -/** Transaction savepoint */ -typedef struct trx_savept_struct trx_savept_t; -/** Transaction savepoint */ -struct trx_savept_struct{ - undo_no_t least_undo_no; /*!< least undo number to undo */ -}; - -/** File objects */ -/* @{ */ -/** Transaction system header */ -typedef byte trx_sysf_t; -/** Rollback segment header */ -typedef byte trx_rsegf_t; -/** Undo segment header */ -typedef byte trx_usegf_t; -/** Undo log header */ -typedef byte trx_ulogf_t; -/** Undo log page header */ -typedef byte trx_upagef_t; - -/** Undo log record */ -typedef byte trx_undo_rec_t; -/* @} */ - -#endif diff --git a/perfschema/include/trx0undo.h b/perfschema/include/trx0undo.h deleted file mode 100644 index a084f2394b5..00000000000 --- a/perfschema/include/trx0undo.h +++ /dev/null @@ -1,551 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0undo.h -Transaction undo log - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0undo_h -#define trx0undo_h - -#include "univ.i" -#include "trx0types.h" -#include "mtr0mtr.h" -#include "trx0sys.h" -#include "page0types.h" -#include "trx0xa.h" - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Builds a roll pointer. -@return roll pointer */ -UNIV_INLINE -roll_ptr_t -trx_undo_build_roll_ptr( -/*====================*/ - ibool is_insert, /*!< in: TRUE if insert undo log */ - ulint rseg_id, /*!< in: rollback segment id */ - ulint page_no, /*!< in: page number */ - ulint offset); /*!< in: offset of the undo entry within page */ -/***********************************************************************//** -Decodes a roll pointer. */ -UNIV_INLINE -void -trx_undo_decode_roll_ptr( -/*=====================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer */ - ibool* is_insert, /*!< out: TRUE if insert undo log */ - ulint* rseg_id, /*!< out: rollback segment id */ - ulint* page_no, /*!< out: page number */ - ulint* offset); /*!< out: offset of the undo - entry within page */ -/***********************************************************************//** -Returns TRUE if the roll pointer is of the insert type. -@return TRUE if insert undo log */ -UNIV_INLINE -ibool -trx_undo_roll_ptr_is_insert( -/*========================*/ - roll_ptr_t roll_ptr); /*!< in: roll pointer */ -#endif /* !UNIV_HOTBACKUP */ -/*****************************************************************//** -Writes a roll ptr to an index page. In case that the size changes in -some future version, this function should be used instead of -mach_write_... */ -UNIV_INLINE -void -trx_write_roll_ptr( -/*===============*/ - byte* ptr, /*!< in: pointer to memory where - written */ - roll_ptr_t roll_ptr); /*!< in: roll ptr */ -/*****************************************************************//** -Reads a roll ptr from an index page. In case that the roll ptr size -changes in some future version, this function should be used instead of -mach_read_... -@return roll ptr */ -UNIV_INLINE -roll_ptr_t -trx_read_roll_ptr( -/*==============*/ - const byte* ptr); /*!< in: pointer to memory from where to read */ -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Gets an undo log page and x-latches it. -@return pointer to page x-latched */ -UNIV_INLINE -page_t* -trx_undo_page_get( -/*==============*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Gets an undo log page and s-latches it. -@return pointer to page s-latched */ -UNIV_INLINE -page_t* -trx_undo_page_get_s_latched( -/*========================*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Returns the previous undo record on the page in the specified log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_prev_rec( -/*=======================*/ - trx_undo_rec_t* rec, /*!< in: undo log record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset);/*!< in: undo log header offset on page */ -/******************************************************************//** -Returns the next undo log record on the page in the specified log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_next_rec( -/*=======================*/ - trx_undo_rec_t* rec, /*!< in: undo log record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset);/*!< in: undo log header offset on page */ -/******************************************************************//** -Returns the last undo record on the page in the specified undo log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_last_rec( -/*=======================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset); /*!< in: undo log header offset on page */ -/******************************************************************//** -Returns the first undo record on the page in the specified undo log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_first_rec( -/*========================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset);/*!< in: undo log header offset on page */ -/***********************************************************************//** -Gets the previous record in an undo log. -@return undo log record, the page s-latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_prev_rec( -/*==================*/ - trx_undo_rec_t* rec, /*!< in: undo record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - mtr_t* mtr); /*!< in: mtr */ -/***********************************************************************//** -Gets the next record in an undo log. -@return undo log record, the page s-latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_next_rec( -/*==================*/ - trx_undo_rec_t* rec, /*!< in: undo record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - mtr_t* mtr); /*!< in: mtr */ -/***********************************************************************//** -Gets the first record in an undo log. -@return undo log record, the page latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_first_rec( -/*===================*/ - ulint space, /*!< in: undo log header space */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr); /*!< in: mtr */ -/********************************************************************//** -Tries to add a page to the undo log segment where the undo log is placed. -@return page number if success, else FIL_NULL */ -UNIV_INTERN -ulint -trx_undo_add_page( -/*==============*/ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory object */ - mtr_t* mtr); /*!< in: mtr which does not have a latch to any - undo log page; the caller must have reserved - the rollback segment mutex */ -/***********************************************************************//** -Truncates an undo log from the end. This function is used during a rollback -to free space from an undo log. */ -UNIV_INTERN -void -trx_undo_truncate_end( -/*==================*/ - trx_t* trx, /*!< in: transaction whose undo log it is */ - trx_undo_t* undo, /*!< in: undo log */ - undo_no_t limit); /*!< in: all undo records with undo number - >= this value should be truncated */ -/***********************************************************************//** -Truncates an undo log from the start. This function is used during a purge -operation. */ -UNIV_INTERN -void -trx_undo_truncate_start( -/*====================*/ - trx_rseg_t* rseg, /*!< in: rollback segment */ - ulint space, /*!< in: space id of the log */ - ulint hdr_page_no, /*!< in: header page number */ - ulint hdr_offset, /*!< in: header offset on the page */ - undo_no_t limit); /*!< in: all undo pages with - undo numbers < this value - should be truncated; NOTE that - the function only frees whole - pages; the header page is not - freed, but emptied, if all the - records there are < limit */ -/********************************************************************//** -Initializes the undo log lists for a rollback segment memory copy. -This function is only called when the database is started or a new -rollback segment created. -@return the combined size of undo log segments in pages */ -UNIV_INTERN -ulint -trx_undo_lists_init( -/*================*/ - trx_rseg_t* rseg); /*!< in: rollback segment memory object */ -/**********************************************************************//** -Assigns an undo log for a transaction. A new undo log is created or a cached -undo log reused. -@return DB_SUCCESS if undo log assign successful, possible error codes -are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE -DB_OUT_OF_MEMORY */ -UNIV_INTERN -ulint -trx_undo_assign_undo( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - ulint type); /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ -/******************************************************************//** -Sets the state of the undo log segment at a transaction finish. -@return undo log segment header page, x-latched */ -UNIV_INTERN -page_t* -trx_undo_set_state_at_finish( -/*=========================*/ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory copy */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Sets the state of the undo log segment at a transaction prepare. -@return undo log segment header page, x-latched */ -UNIV_INTERN -page_t* -trx_undo_set_state_at_prepare( -/*==========================*/ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory copy */ - mtr_t* mtr); /*!< in: mtr */ - -/**********************************************************************//** -Adds the update undo log header as the first in the history list, and -frees the memory object, or puts it to the list of cached update undo log -segments. */ -UNIV_INTERN -void -trx_undo_update_cleanup( -/*====================*/ - trx_t* trx, /*!< in: trx owning the update undo log */ - page_t* undo_page, /*!< in: update undo log header page, - x-latched */ - mtr_t* mtr); /*!< in: mtr */ -/******************************************************************//** -Frees or caches an insert undo log after a transaction commit or rollback. -Knowledge of inserts is not needed after a commit or rollback, therefore -the data can be discarded. */ -UNIV_INTERN -void -trx_undo_insert_cleanup( -/*====================*/ - trx_t* trx); /*!< in: transaction handle */ -#endif /* !UNIV_HOTBACKUP */ -/***********************************************************//** -Parses the redo log entry of an undo log page initialization. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_page_init( -/*=====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/***********************************************************//** -Parses the redo log entry of an undo log page header create or reuse. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_page_header( -/*=======================*/ - ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/***********************************************************//** -Parses the redo log entry of an undo log page header discard. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_discard_latest( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ -/************************************************************************ -Frees an undo log memory copy. */ -UNIV_INTERN -void -trx_undo_mem_free( -/*==============*/ - trx_undo_t* undo); /* in: the undo object to be freed */ - -/* Types of an undo log segment */ -#define TRX_UNDO_INSERT 1 /* contains undo entries for inserts */ -#define TRX_UNDO_UPDATE 2 /* contains undo entries for updates - and delete markings: in short, - modifys (the name 'UPDATE' is a - historical relic) */ -/* States of an undo log segment */ -#define TRX_UNDO_ACTIVE 1 /* contains an undo log of an active - transaction */ -#define TRX_UNDO_CACHED 2 /* cached for quick reuse */ -#define TRX_UNDO_TO_FREE 3 /* insert undo segment can be freed */ -#define TRX_UNDO_TO_PURGE 4 /* update undo segment will not be - reused: it can be freed in purge when - all undo data in it is removed */ -#define TRX_UNDO_PREPARED 5 /* contains an undo log of an - prepared transaction */ - -#ifndef UNIV_HOTBACKUP -/** Transaction undo log memory object; this is protected by the undo_mutex -in the corresponding transaction object */ - -struct trx_undo_struct{ - /*-----------------------------*/ - ulint id; /*!< undo log slot number within the - rollback segment */ - ulint type; /*!< TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - ulint state; /*!< state of the corresponding undo log - segment */ - ibool del_marks; /*!< relevant only in an update undo log: - this is TRUE if the transaction may - have delete marked records, because of - a delete of a row or an update of an - indexed field; purge is then - necessary; also TRUE if the transaction - has updated an externally stored - field */ - trx_id_t trx_id; /*!< id of the trx assigned to the undo - log */ - XID xid; /*!< X/Open XA transaction - identification */ - ibool dict_operation; /*!< TRUE if a dict operation trx */ - dulint table_id; /*!< if a dict operation, then the table - id */ - trx_rseg_t* rseg; /*!< rseg where the undo log belongs */ - /*-----------------------------*/ - ulint space; /*!< space id where the undo log - placed */ - ulint zip_size; /*!< compressed page size of space - in bytes, or 0 for uncompressed */ - ulint hdr_page_no; /*!< page number of the header page in - the undo log */ - ulint hdr_offset; /*!< header offset of the undo log on the - page */ - ulint last_page_no; /*!< page number of the last page in the - undo log; this may differ from - top_page_no during a rollback */ - ulint size; /*!< current size in pages */ - /*-----------------------------*/ - ulint empty; /*!< TRUE if the stack of undo log - records is currently empty */ - ulint top_page_no; /*!< page number where the latest undo - log record was catenated; during - rollback the page from which the latest - undo record was chosen */ - ulint top_offset; /*!< offset of the latest undo record, - i.e., the topmost element in the undo - log if we think of it as a stack */ - undo_no_t top_undo_no; /*!< undo number of the latest record */ - buf_block_t* guess_block; /*!< guess for the buffer block where - the top page might reside */ - /*-----------------------------*/ - UT_LIST_NODE_T(trx_undo_t) undo_list; - /*!< undo log objects in the rollback - segment are chained into lists */ -}; -#endif /* !UNIV_HOTBACKUP */ - -/** The offset of the undo log page header on pages of the undo log */ -#define TRX_UNDO_PAGE_HDR FSEG_PAGE_DATA -/*-------------------------------------------------------------*/ -/** Transaction undo log page header offsets */ -/* @{ */ -#define TRX_UNDO_PAGE_TYPE 0 /*!< TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ -#define TRX_UNDO_PAGE_START 2 /*!< Byte offset where the undo log - records for the LATEST transaction - start on this page (remember that - in an update undo log, the first page - can contain several undo logs) */ -#define TRX_UNDO_PAGE_FREE 4 /*!< On each page of the undo log this - field contains the byte offset of the - first free byte on the page */ -#define TRX_UNDO_PAGE_NODE 6 /*!< The file list node in the chain - of undo log pages */ -/*-------------------------------------------------------------*/ -#define TRX_UNDO_PAGE_HDR_SIZE (6 + FLST_NODE_SIZE) - /*!< Size of the transaction undo - log page header, in bytes */ -/* @} */ - -/** An update undo segment with just one page can be reused if it has -at most this many bytes used; we must leave space at least for one new undo -log header on the page */ - -#define TRX_UNDO_PAGE_REUSE_LIMIT (3 * UNIV_PAGE_SIZE / 4) - -/* An update undo log segment may contain several undo logs on its first page -if the undo logs took so little space that the segment could be cached and -reused. All the undo log headers are then on the first page, and the last one -owns the undo log records on subsequent pages if the segment is bigger than -one page. If an undo log is stored in a segment, then on the first page it is -allowed to have zero undo records, but if the segment extends to several -pages, then all the rest of the pages must contain at least one undo log -record. */ - -/** The offset of the undo log segment header on the first page of the undo -log segment */ - -#define TRX_UNDO_SEG_HDR (TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE) -/** Undo log segment header */ -/* @{ */ -/*-------------------------------------------------------------*/ -#define TRX_UNDO_STATE 0 /*!< TRX_UNDO_ACTIVE, ... */ -#define TRX_UNDO_LAST_LOG 2 /*!< Offset of the last undo log header - on the segment header page, 0 if - none */ -#define TRX_UNDO_FSEG_HEADER 4 /*!< Header for the file segment which - the undo log segment occupies */ -#define TRX_UNDO_PAGE_LIST (4 + FSEG_HEADER_SIZE) - /*!< Base node for the list of pages in - the undo log segment; defined only on - the undo log segment's first page */ -/*-------------------------------------------------------------*/ -/** Size of the undo log segment header */ -#define TRX_UNDO_SEG_HDR_SIZE (4 + FSEG_HEADER_SIZE + FLST_BASE_NODE_SIZE) -/* @} */ - - -/** The undo log header. There can be several undo log headers on the first -page of an update undo log segment. */ -/* @{ */ -/*-------------------------------------------------------------*/ -#define TRX_UNDO_TRX_ID 0 /*!< Transaction id */ -#define TRX_UNDO_TRX_NO 8 /*!< Transaction number of the - transaction; defined only if the log - is in a history list */ -#define TRX_UNDO_DEL_MARKS 16 /*!< Defined only in an update undo - log: TRUE if the transaction may have - done delete markings of records, and - thus purge is necessary */ -#define TRX_UNDO_LOG_START 18 /*!< Offset of the first undo log record - of this log on the header page; purge - may remove undo log record from the - log start, and therefore this is not - necessarily the same as this log - header end offset */ -#define TRX_UNDO_XID_EXISTS 20 /*!< TRUE if undo log header includes - X/Open XA transaction identification - XID */ -#define TRX_UNDO_DICT_TRANS 21 /*!< TRUE if the transaction is a table - create, index create, or drop - transaction: in recovery - the transaction cannot be rolled back - in the usual way: a 'rollback' rather - means dropping the created or dropped - table, if it still exists */ -#define TRX_UNDO_TABLE_ID 22 /*!< Id of the table if the preceding - field is TRUE */ -#define TRX_UNDO_NEXT_LOG 30 /*!< Offset of the next undo log header - on this page, 0 if none */ -#define TRX_UNDO_PREV_LOG 32 /*!< Offset of the previous undo log - header on this page, 0 if none */ -#define TRX_UNDO_HISTORY_NODE 34 /*!< If the log is put to the history - list, the file list node is here */ -/*-------------------------------------------------------------*/ -/** Size of the undo log header without XID information */ -#define TRX_UNDO_LOG_OLD_HDR_SIZE (34 + FLST_NODE_SIZE) - -/* Note: the writing of the undo log old header is coded by a log record -MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE. The appending of an XID to the -header is logged separately. In this sense, the XID is not really a member -of the undo log header. TODO: do not append the XID to the log header if XA -is not needed by the user. The XID wastes about 150 bytes of space in every -undo log. In the history list we may have millions of undo logs, which means -quite a large overhead. */ - -/** X/Open XA Transaction Identification (XID) */ -/* @{ */ -/** xid_t::formatID */ -#define TRX_UNDO_XA_FORMAT (TRX_UNDO_LOG_OLD_HDR_SIZE) -/** xid_t::gtrid_length */ -#define TRX_UNDO_XA_TRID_LEN (TRX_UNDO_XA_FORMAT + 4) -/** xid_t::bqual_length */ -#define TRX_UNDO_XA_BQUAL_LEN (TRX_UNDO_XA_TRID_LEN + 4) -/** Distributed transaction identifier data */ -#define TRX_UNDO_XA_XID (TRX_UNDO_XA_BQUAL_LEN + 4) -/*--------------------------------------------------------------*/ -#define TRX_UNDO_LOG_XA_HDR_SIZE (TRX_UNDO_XA_XID + XIDDATASIZE) - /*!< Total size of the undo log header - with the XA XID */ -/* @} */ - -#ifndef UNIV_NONINL -#include "trx0undo.ic" -#endif - -#endif diff --git a/perfschema/include/trx0undo.ic b/perfschema/include/trx0undo.ic deleted file mode 100644 index 2d289b34ef1..00000000000 --- a/perfschema/include/trx0undo.ic +++ /dev/null @@ -1,351 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0undo.ic -Transaction undo log - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "data0type.h" -#include "page0page.h" - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Builds a roll pointer. -@return roll pointer */ -UNIV_INLINE -roll_ptr_t -trx_undo_build_roll_ptr( -/*====================*/ - ibool is_insert, /*!< in: TRUE if insert undo log */ - ulint rseg_id, /*!< in: rollback segment id */ - ulint page_no, /*!< in: page number */ - ulint offset) /*!< in: offset of the undo entry within page */ -{ -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif - ut_ad(rseg_id < 128); - - return(ut_dulint_create(is_insert * 128 * 256 * 256 - + rseg_id * 256 * 256 - + (page_no / 256) / 256, - (page_no % (256 * 256)) * 256 * 256 - + offset)); -} - -/***********************************************************************//** -Decodes a roll pointer. */ -UNIV_INLINE -void -trx_undo_decode_roll_ptr( -/*=====================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer */ - ibool* is_insert, /*!< out: TRUE if insert undo log */ - ulint* rseg_id, /*!< out: rollback segment id */ - ulint* page_no, /*!< out: page number */ - ulint* offset) /*!< out: offset of the undo - entry within page */ -{ - ulint low; - ulint high; -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif -#if TRUE != 1 -# error "TRUE != 1" -#endif - high = ut_dulint_get_high(roll_ptr); - low = ut_dulint_get_low(roll_ptr); - - *offset = low % (256 * 256); - - *is_insert = high / (256 * 256 * 128); /* TRUE == 1 */ - *rseg_id = (high / (256 * 256)) % 128; - - *page_no = (high % (256 * 256)) * 256 * 256 - + (low / 256) / 256; -} - -/***********************************************************************//** -Returns TRUE if the roll pointer is of the insert type. -@return TRUE if insert undo log */ -UNIV_INLINE -ibool -trx_undo_roll_ptr_is_insert( -/*========================*/ - roll_ptr_t roll_ptr) /*!< in: roll pointer */ -{ - ulint high; -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif -#if TRUE != 1 -# error "TRUE != 1" -#endif - high = ut_dulint_get_high(roll_ptr); - - return(high / (256 * 256 * 128)); -} -#endif /* !UNIV_HOTBACKUP */ - -/*****************************************************************//** -Writes a roll ptr to an index page. In case that the size changes in -some future version, this function should be used instead of -mach_write_... */ -UNIV_INLINE -void -trx_write_roll_ptr( -/*===============*/ - byte* ptr, /*!< in: pointer to memory where - written */ - roll_ptr_t roll_ptr) /*!< in: roll ptr */ -{ -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif - mach_write_to_7(ptr, roll_ptr); -} - -/*****************************************************************//** -Reads a roll ptr from an index page. In case that the roll ptr size -changes in some future version, this function should be used instead of -mach_read_... -@return roll ptr */ -UNIV_INLINE -roll_ptr_t -trx_read_roll_ptr( -/*==============*/ - const byte* ptr) /*!< in: pointer to memory from where to read */ -{ -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif - return(mach_read_from_7(ptr)); -} - -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Gets an undo log page and x-latches it. -@return pointer to page x-latched */ -UNIV_INLINE -page_t* -trx_undo_page_get( -/*==============*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block = buf_page_get(space, zip_size, page_no, - RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); - - return(buf_block_get_frame(block)); -} - -/******************************************************************//** -Gets an undo log page and s-latches it. -@return pointer to page s-latched */ -UNIV_INLINE -page_t* -trx_undo_page_get_s_latched( -/*========================*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block = buf_page_get(space, zip_size, page_no, - RW_S_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); - - return(buf_block_get_frame(block)); -} - -/******************************************************************//** -Returns the start offset of the undo log records of the specified undo -log on the page. -@return start offset */ -UNIV_INLINE -ulint -trx_undo_page_get_start( -/*====================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - ulint start; - - if (page_no == page_get_page_no(undo_page)) { - - start = mach_read_from_2(offset + undo_page - + TRX_UNDO_LOG_START); - } else { - start = TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE; - } - - return(start); -} - -/******************************************************************//** -Returns the end offset of the undo log records of the specified undo -log on the page. -@return end offset */ -UNIV_INLINE -ulint -trx_undo_page_get_end( -/*==================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - trx_ulogf_t* log_hdr; - ulint end; - - if (page_no == page_get_page_no(undo_page)) { - - log_hdr = undo_page + offset; - - end = mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG); - - if (end == 0) { - end = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - } - } else { - end = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - } - - return(end); -} - -/******************************************************************//** -Returns the previous undo record on the page in the specified log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_prev_rec( -/*=======================*/ - trx_undo_rec_t* rec, /*!< in: undo log record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - page_t* undo_page; - ulint start; - - undo_page = (page_t*) ut_align_down(rec, UNIV_PAGE_SIZE); - - start = trx_undo_page_get_start(undo_page, page_no, offset); - - if (start + undo_page == rec) { - - return(NULL); - } - - return(undo_page + mach_read_from_2(rec - 2)); -} - -/******************************************************************//** -Returns the next undo log record on the page in the specified log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_next_rec( -/*=======================*/ - trx_undo_rec_t* rec, /*!< in: undo log record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - page_t* undo_page; - ulint end; - ulint next; - - undo_page = (page_t*) ut_align_down(rec, UNIV_PAGE_SIZE); - - end = trx_undo_page_get_end(undo_page, page_no, offset); - - next = mach_read_from_2(rec); - - if (next == end) { - - return(NULL); - } - - return(undo_page + next); -} - -/******************************************************************//** -Returns the last undo record on the page in the specified undo log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_last_rec( -/*=======================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - ulint start; - ulint end; - - start = trx_undo_page_get_start(undo_page, page_no, offset); - end = trx_undo_page_get_end(undo_page, page_no, offset); - - if (start == end) { - - return(NULL); - } - - return(undo_page + mach_read_from_2(undo_page + end - 2)); -} - -/******************************************************************//** -Returns the first undo record on the page in the specified undo log, or -NULL if none exists. -@return pointer to record, NULL if none */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_page_get_first_rec( -/*========================*/ - page_t* undo_page,/*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header offset on page */ -{ - ulint start; - ulint end; - - start = trx_undo_page_get_start(undo_page, page_no, offset); - end = trx_undo_page_get_end(undo_page, page_no, offset); - - if (start == end) { - - return(NULL); - } - - return(undo_page + start); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/include/trx0xa.h b/perfschema/include/trx0xa.h deleted file mode 100644 index e0dd8a1af5b..00000000000 --- a/perfschema/include/trx0xa.h +++ /dev/null @@ -1,70 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/* - * Start of xa.h header - * - * Define a symbol to prevent multiple inclusions of this header file - */ -#ifndef XA_H -#define XA_H - -/* - * Transaction branch identification: XID and NULLXID: - */ -#ifndef XIDDATASIZE - -/** Sizes of transaction identifier */ -#define XIDDATASIZE 128 /*!< maximum size of a transaction - identifier, in bytes */ -#define MAXGTRIDSIZE 64 /*!< maximum size in bytes of gtrid */ -#define MAXBQUALSIZE 64 /*!< maximum size in bytes of bqual */ - -/** X/Open XA distributed transaction identifier */ -struct xid_t { - long formatID; /*!< format identifier; -1 - means that the XID is null */ - long gtrid_length; /*!< value from 1 through 64 */ - long bqual_length; /*!< value from 1 through 64 */ - char data[XIDDATASIZE]; /*!< distributed transaction - identifier */ -}; -/** X/Open XA distributed transaction identifier */ -typedef struct xid_t XID; -#endif -/** X/Open XA distributed transaction status codes */ -/* @{ */ -#define XA_OK 0 /*!< normal execution */ -#define XAER_ASYNC -2 /*!< asynchronous operation already - outstanding */ -#define XAER_RMERR -3 /*!< a resource manager error - occurred in the transaction - branch */ -#define XAER_NOTA -4 /*!< the XID is not valid */ -#define XAER_INVAL -5 /*!< invalid arguments were given */ -#define XAER_PROTO -6 /*!< routine invoked in an improper - context */ -#define XAER_RMFAIL -7 /*!< resource manager unavailable */ -#define XAER_DUPID -8 /*!< the XID already exists */ -#define XAER_OUTSIDE -9 /*!< resource manager doing - work outside transaction */ -/* @} */ -#endif /* ifndef XA_H */ -/* - * End of xa.h header - */ diff --git a/perfschema/include/univ.i b/perfschema/include/univ.i deleted file mode 100644 index e8596aa9483..00000000000 --- a/perfschema/include/univ.i +++ /dev/null @@ -1,484 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. -Copyright (c) 2009, Sun Microsystems, Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted by -Sun Microsystems, Inc. Those modifications are gratefully acknowledged and -are described briefly in the InnoDB documentation. The contributions by -Sun Microsystems are incorporated with their permission, and subject to the -conditions contained in the file COPYING.Sun_Microsystems. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***********************************************************************//** -@file include/univ.i -Version control for database, common definitions, and include files - -Created 1/20/1994 Heikki Tuuri -****************************************************************************/ - -#ifndef univ_i -#define univ_i - -#ifdef UNIV_HOTBACKUP -#include "hb_univ.i" -#endif /* UNIV_HOTBACKUP */ - -#define INNODB_VERSION_MAJOR 1 -#define INNODB_VERSION_MINOR 1 -#define INNODB_VERSION_BUGFIX 0 - -/* The following is the InnoDB version as shown in -SELECT plugin_version FROM information_schema.plugins; -calculated in make_version_string() in sql/sql_show.cc like this: -"version >> 8" . "version & 0xff" -because the version is shown with only one dot, we skip the last -component, i.e. we show M.N.P as M.N */ -#define INNODB_VERSION_SHORT \ - (INNODB_VERSION_MAJOR << 8 | INNODB_VERSION_MINOR) - -/* auxiliary macros to help creating the version as string */ -#define __INNODB_VERSION(a, b, c) (#a "." #b "." #c) -#define _INNODB_VERSION(a, b, c) __INNODB_VERSION(a, b, c) - -#define INNODB_VERSION_STR \ - _INNODB_VERSION(INNODB_VERSION_MAJOR, \ - INNODB_VERSION_MINOR, \ - INNODB_VERSION_BUGFIX) - -#define REFMAN "http://dev.mysql.com/doc/refman/5.1/en/" - -#ifdef MYSQL_DYNAMIC_PLUGIN -/* In the dynamic plugin, redefine some externally visible symbols -in order not to conflict with the symbols of a builtin InnoDB. */ - -/* Rename all C++ classes that contain virtual functions, because we -have not figured out how to apply the visibility=hidden attribute to -the virtual method table (vtable) in GCC 3. */ -# define ha_innobase ha_innodb -#endif /* MYSQL_DYNAMIC_PLUGIN */ - -/* if any of the following macros is defined at this point this means -that the code from the "right" plug.in was executed and we do not -need to include ut0auxconf.h which would either define the same macros -or will be empty */ -#if !defined(HAVE_IB_GCC_ATOMIC_BUILTINS) \ - && !defined(HAVE_IB_ATOMIC_PTHREAD_T_GCC) \ - && !defined(HAVE_IB_SOLARIS_ATOMICS) \ - && !defined(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS) \ - && !defined(SIZEOF_PTHREAD_T) \ - && !defined(HAVE_IB_PAUSE_INSTRUCTION) -# include "ut0auxconf.h" -#endif - -#if (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)) && !defined(MYSQL_SERVER) && !defined(__WIN__) -# undef __WIN__ -# define __WIN__ - -# include - -# ifdef _NT_ -# define __NT__ -# endif - -#else -/* The defines used with MySQL */ - -/* Include two header files from MySQL to make the Unix flavor used -in compiling more Posix-compatible. These headers also define __WIN__ -if we are compiling on Windows. */ - -#ifndef UNIV_HOTBACKUP -# include -# include -#endif /* UNIV_HOTBACKUP */ - -/* Include to get S_I... macros defined for os0file.c */ -# include -# if !defined(__NETWARE__) && !defined(__WIN__) -# include /* mmap() for os0proc.c */ -# endif - -/* Include the header file generated by GNU autoconf */ -# ifndef __WIN__ -# ifndef UNIV_HOTBACKUP -# include "config.h" -# endif /* UNIV_HOTBACKUP */ -# endif - -# ifdef HAVE_SCHED_H -# include -# endif - -/* We only try to do explicit inlining of functions with gcc and -Sun Studio */ - -# if !defined(__GNUC__) && !(defined(__SUNPRO_C) || defined(__SUNPRO_CC)) -# undef UNIV_MUST_NOT_INLINE /* Remove compiler warning */ -# define UNIV_MUST_NOT_INLINE -# endif - -# ifdef HAVE_PREAD -# define HAVE_PWRITE -# endif - -#endif /* #if (defined(WIN32) || ... */ - -/* DEBUG VERSION CONTROL - ===================== */ - -/* The following flag will make InnoDB to initialize -all memory it allocates to zero. It hides Purify -warnings about reading unallocated memory unless -memory is read outside the allocated blocks. */ -/* -#define UNIV_INIT_MEM_TO_ZERO -*/ - -/* When this macro is defined then additional test functions will be -compiled. These functions live at the end of each relevant source file -and have "test_" prefix. These functions are not called from anywhere in -the code, they can be called from gdb after -innobase_start_or_create_for_mysql() has executed using the call -command. Not tested on Windows. */ -/* -#define UNIV_COMPILE_TEST_FUNCS -*/ - -#if 0 -#define UNIV_DEBUG_VALGRIND /* Enable extra - Valgrind instrumentation */ -#define UNIV_DEBUG_PRINT /* Enable the compilation of - some debug print functions */ -#define UNIV_AHI_DEBUG /* Enable adaptive hash index - debugging without UNIV_DEBUG */ -#define UNIV_BUF_DEBUG /* Enable buffer pool - debugging without UNIV_DEBUG */ -#define UNIV_DEBUG /* Enable ut_ad() assertions - and disable UNIV_INLINE */ -#define UNIV_DEBUG_LOCK_VALIDATE /* Enable - ut_ad(lock_rec_validate_page()) - assertions. */ -#define UNIV_DEBUG_FILE_ACCESSES /* Debug .ibd file access - (field file_page_was_freed - in buf_page_t) */ -#define UNIV_LRU_DEBUG /* debug the buffer pool LRU */ -#define UNIV_HASH_DEBUG /* debug HASH_ macros */ -#define UNIV_LIST_DEBUG /* debug UT_LIST_ macros */ -#define UNIV_LOG_LSN_DEBUG /* write LSN to the redo log; -this will break redo log file compatibility, but it may be useful when -debugging redo log application problems. */ -#define UNIV_MEM_DEBUG /* detect memory leaks etc */ -#define UNIV_IBUF_DEBUG /* debug the insert buffer */ -#define UNIV_IBUF_COUNT_DEBUG /* debug the insert buffer; -this limits the database to IBUF_COUNT_N_SPACES and IBUF_COUNT_N_PAGES, -and the insert buffer must be empty when the database is started */ -#define UNIV_SYNC_DEBUG /* debug mutex and latch -operations (very slow); also UNIV_DEBUG must be defined */ -#define UNIV_SEARCH_DEBUG /* debug B-tree comparisons */ -#define UNIV_SYNC_PERF_STAT /* operation counts for - rw-locks and mutexes */ -#define UNIV_SEARCH_PERF_STAT /* statistics for the - adaptive hash index */ -#define UNIV_SRV_PRINT_LATCH_WAITS /* enable diagnostic output - in sync0sync.c */ -#define UNIV_BTR_PRINT /* enable functions for - printing B-trees */ -#define UNIV_ZIP_DEBUG /* extensive consistency checks - for compressed pages */ -#define UNIV_ZIP_COPY /* call page_zip_copy_recs() - more often */ -#define UNIV_AIO_DEBUG /* prints info about - submitted and reaped AIO - requests to the log. */ -#endif - -#define UNIV_BTR_DEBUG /* check B-tree links */ -#define UNIV_LIGHT_MEM_DEBUG /* light memory debugging */ - -#ifdef HAVE_purify -/* The following sets all new allocated memory to zero before use: -this can be used to eliminate unnecessary Purify warnings, but note that -it also masks many bugs Purify could detect. For detailed Purify analysis it -is best to remove the define below and look through the warnings one -by one. */ -#define UNIV_SET_MEM_TO_ZERO -#endif - -/* -#define UNIV_SQL_DEBUG -#define UNIV_LOG_DEBUG -*/ - /* the above option prevents forcing of log to disk - at a buffer page write: it should be tested with this - option off; also some ibuf tests are suppressed */ - -/* Linkage specifier for non-static InnoDB symbols (variables and functions) -that are only referenced from within InnoDB, not from MySQL */ -#if defined(__GNUC__) && (__GNUC__ >= 4) || defined(__INTEL_COMPILER) -# define UNIV_INTERN __attribute__((visibility ("hidden"))) -#else -# define UNIV_INTERN -#endif - -#if (!defined(UNIV_DEBUG) && !defined(UNIV_MUST_NOT_INLINE)) -/* Definition for inline version */ - -#ifdef __WIN__ -# define UNIV_INLINE __inline -#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) -# define UNIV_INLINE static inline -#else -# define UNIV_INLINE static __inline__ -#endif - -#else -/* If we want to compile a noninlined version we use the following macro -definitions: */ - -#define UNIV_NONINL -#define UNIV_INLINE UNIV_INTERN - -#endif /* UNIV_DEBUG */ - -#ifdef _WIN32 -#define UNIV_WORD_SIZE 4 -#elif defined(_WIN64) -#define UNIV_WORD_SIZE 8 -#else -/* MySQL config.h generated by GNU autoconf will define SIZEOF_LONG in Posix */ -#define UNIV_WORD_SIZE SIZEOF_LONG -#endif - -/* The following alignment is used in memory allocations in memory heap -management to ensure correct alignment for doubles etc. */ -#define UNIV_MEM_ALIGNMENT 8 - -/* The following alignment is used in aligning lints etc. */ -#define UNIV_WORD_ALIGNMENT UNIV_WORD_SIZE - -/* - DATABASE VERSION CONTROL - ======================== -*/ - -/* The 2-logarithm of UNIV_PAGE_SIZE: */ -#define UNIV_PAGE_SIZE_SHIFT 14 -/* The universal page size of the database */ -#define UNIV_PAGE_SIZE (1 << UNIV_PAGE_SIZE_SHIFT) - -/* Maximum number of parallel threads in a parallelized operation */ -#define UNIV_MAX_PARALLELISM 32 - -/* - UNIVERSAL TYPE DEFINITIONS - ========================== -*/ - -/* Note that inside MySQL 'byte' is defined as char on Linux! */ -#define byte unsigned char - -/* Define an unsigned integer type that is exactly 32 bits. */ - -#if SIZEOF_INT == 4 -typedef unsigned int ib_uint32_t; -#elif SIZEOF_LONG == 4 -typedef unsigned long ib_uint32_t; -#else -#error "Neither int or long is 4 bytes" -#endif - -/* Another basic type we use is unsigned long integer which should be equal to -the word size of the machine, that is on a 32-bit platform 32 bits, and on a -64-bit platform 64 bits. We also give the printf format for the type as a -macro ULINTPF. */ - -#ifdef _WIN64 -typedef unsigned __int64 ulint; -#define ULINTPF "%I64u" -typedef __int64 lint; -#else -typedef unsigned long int ulint; -#define ULINTPF "%lu" -typedef long int lint; -#endif - -#ifdef __WIN__ -typedef __int64 ib_int64_t; -typedef unsigned __int64 ib_uint64_t; -#elif !defined(UNIV_HOTBACKUP) -/* Note: longlong and ulonglong come from MySQL headers. */ -typedef longlong ib_int64_t; -typedef ulonglong ib_uint64_t; -#endif - -#ifndef UNIV_HOTBACKUP -typedef unsigned long long int ullint; -#endif /* UNIV_HOTBACKUP */ - -#ifndef __WIN__ -#if SIZEOF_LONG != SIZEOF_VOIDP -#error "Error: InnoDB's ulint must be of the same size as void*" -#endif -#endif - -/* The 'undefined' value for a ulint */ -#define ULINT_UNDEFINED ((ulint)(-1)) - -/* The undefined 32-bit unsigned integer */ -#define ULINT32_UNDEFINED 0xFFFFFFFF - -/* Maximum value for a ulint */ -#define ULINT_MAX ((ulint)(-2)) - -/* Maximum value for ib_uint64_t */ -#define IB_ULONGLONG_MAX ((ib_uint64_t) (~0ULL)) - -/* This 'ibool' type is used within Innobase. Remember that different included -headers may define 'bool' differently. Do not assume that 'bool' is a ulint! */ -#define ibool ulint - -#ifndef TRUE - -#define TRUE 1 -#define FALSE 0 - -#endif - -/* The following number as the length of a logical field means that the field -has the SQL NULL as its value. NOTE that because we assume that the length -of a field is a 32-bit integer when we store it, for example, to an undo log -on disk, we must have also this number fit in 32 bits, also in 64-bit -computers! */ - -#define UNIV_SQL_NULL ULINT32_UNDEFINED - -/* Lengths which are not UNIV_SQL_NULL, but bigger than the following -number indicate that a field contains a reference to an externally -stored part of the field in the tablespace. The length field then -contains the sum of the following flag and the locally stored len. */ - -#define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE) - -/* Some macros to improve branch prediction and reduce cache misses */ -#if defined(__GNUC__) && (__GNUC__ > 2) && ! defined(__INTEL_COMPILER) -/* Tell the compiler that 'expr' probably evaluates to 'constant'. */ -# define UNIV_EXPECT(expr,constant) __builtin_expect(expr, constant) -/* Tell the compiler that a pointer is likely to be NULL */ -# define UNIV_LIKELY_NULL(ptr) __builtin_expect((ulint) ptr, 0) -/* Minimize cache-miss latency by moving data at addr into a cache before -it is read. */ -# define UNIV_PREFETCH_R(addr) __builtin_prefetch(addr, 0, 3) -/* Minimize cache-miss latency by moving data at addr into a cache before -it is read or written. */ -# define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3) -/* Sun Studio includes sun_prefetch.h as of version 5.9 */ -#elif (defined(__SUNPRO_C) && __SUNPRO_C >= 0x590) \ - || (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590) -# include -#if __SUNPRO_C >= 0x550 -# undef UNIV_INTERN -# define UNIV_INTERN __hidden -#endif /* __SUNPRO_C >= 0x550 */ -/* Use sun_prefetch when compile with Sun Studio */ -# define UNIV_EXPECT(expr,value) (expr) -# define UNIV_LIKELY_NULL(expr) (expr) -# define UNIV_PREFETCH_R(addr) sun_prefetch_read_many(addr) -# define UNIV_PREFETCH_RW(addr) sun_prefetch_write_many(addr) -#else -/* Dummy versions of the macros */ -# define UNIV_EXPECT(expr,value) (expr) -# define UNIV_LIKELY_NULL(expr) (expr) -# define UNIV_PREFETCH_R(addr) ((void) 0) -# define UNIV_PREFETCH_RW(addr) ((void) 0) -#endif -/* Tell the compiler that cond is likely to hold */ -#define UNIV_LIKELY(cond) UNIV_EXPECT(cond, TRUE) -/* Tell the compiler that cond is unlikely to hold */ -#define UNIV_UNLIKELY(cond) UNIV_EXPECT(cond, FALSE) - -/* Compile-time constant of the given array's size. */ -#define UT_ARR_SIZE(a) (sizeof(a) / sizeof((a)[0])) - -/* The return type from a thread's start function differs between Unix and -Windows, so define a typedef for it and a macro to use at the end of such -functions. */ - -#ifdef __WIN__ -typedef ulint os_thread_ret_t; -#define OS_THREAD_DUMMY_RETURN return(0) -#else -typedef void* os_thread_ret_t; -#define OS_THREAD_DUMMY_RETURN return(NULL) -#endif - -#include -#include "ut0dbg.h" -#include "ut0ut.h" -#include "db0err.h" -#ifdef UNIV_DEBUG_VALGRIND -# include -# define UNIV_MEM_VALID(addr, size) VALGRIND_MAKE_MEM_DEFINED(addr, size) -# define UNIV_MEM_INVALID(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size) -# define UNIV_MEM_FREE(addr, size) VALGRIND_MAKE_MEM_NOACCESS(addr, size) -# define UNIV_MEM_ALLOC(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size) -# define UNIV_MEM_DESC(addr, size, b) VALGRIND_CREATE_BLOCK(addr, size, b) -# define UNIV_MEM_UNDESC(b) VALGRIND_DISCARD(b) -# define UNIV_MEM_ASSERT_RW(addr, size) do { \ - const void* _p = (const void*) (ulint) \ - VALGRIND_CHECK_MEM_IS_DEFINED(addr, size); \ - if (UNIV_LIKELY_NULL(_p)) \ - fprintf(stderr, "%s:%d: %p[%u] undefined at %ld\n", \ - __FILE__, __LINE__, \ - (const void*) (addr), (unsigned) (size), (long) \ - (((const char*) _p) - ((const char*) (addr)))); \ - } while (0) -# define UNIV_MEM_ASSERT_W(addr, size) do { \ - const void* _p = (const void*) (ulint) \ - VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr, size); \ - if (UNIV_LIKELY_NULL(_p)) \ - fprintf(stderr, "%s:%d: %p[%u] unwritable at %ld\n", \ - __FILE__, __LINE__, \ - (const void*) (addr), (unsigned) (size), (long) \ - (((const char*) _p) - ((const char*) (addr)))); \ - } while (0) -#else -# define UNIV_MEM_VALID(addr, size) do {} while(0) -# define UNIV_MEM_INVALID(addr, size) do {} while(0) -# define UNIV_MEM_FREE(addr, size) do {} while(0) -# define UNIV_MEM_ALLOC(addr, size) do {} while(0) -# define UNIV_MEM_DESC(addr, size, b) do {} while(0) -# define UNIV_MEM_UNDESC(b) do {} while(0) -# define UNIV_MEM_ASSERT_RW(addr, size) do {} while(0) -# define UNIV_MEM_ASSERT_W(addr, size) do {} while(0) -#endif -#define UNIV_MEM_ASSERT_AND_FREE(addr, size) do { \ - UNIV_MEM_ASSERT_W(addr, size); \ - UNIV_MEM_FREE(addr, size); \ -} while (0) -#define UNIV_MEM_ASSERT_AND_ALLOC(addr, size) do { \ - UNIV_MEM_ASSERT_W(addr, size); \ - UNIV_MEM_ALLOC(addr, size); \ -} while (0) - -#endif diff --git a/perfschema/include/usr0sess.h b/perfschema/include/usr0sess.h deleted file mode 100644 index 2c288f7d455..00000000000 --- a/perfschema/include/usr0sess.h +++ /dev/null @@ -1,76 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/usr0sess.h -Sessions - -Created 6/25/1996 Heikki Tuuri -*******************************************************/ - -#ifndef usr0sess_h -#define usr0sess_h - -#include "univ.i" -#include "ut0byte.h" -#include "trx0types.h" -#include "srv0srv.h" -#include "trx0types.h" -#include "usr0types.h" -#include "que0types.h" -#include "data0data.h" -#include "rem0rec.h" - -/*********************************************************************//** -Opens a session. -@return own: session object */ -UNIV_INTERN -sess_t* -sess_open(void); -/*============*/ -/*********************************************************************//** -Closes a session, freeing the memory occupied by it. */ -UNIV_INTERN -void -sess_close( -/*=======*/ - sess_t* sess); /* in, own: session object */ - -/* The session handle. All fields are protected by the kernel mutex */ -struct sess_struct{ - ulint state; /*!< state of the session */ - trx_t* trx; /*!< transaction object permanently - assigned for the session: the - transaction instance designated by the - trx id changes, but the memory - structure is preserved */ - UT_LIST_BASE_NODE_T(que_t) - graphs; /*!< query graphs belonging to this - session */ -}; - -/* Session states */ -#define SESS_ACTIVE 1 -#define SESS_ERROR 2 /* session contains an error message - which has not yet been communicated - to the client */ -#ifndef UNIV_NONINL -#include "usr0sess.ic" -#endif - -#endif diff --git a/perfschema/include/usr0sess.ic b/perfschema/include/usr0sess.ic deleted file mode 100644 index 35a75d75acc..00000000000 --- a/perfschema/include/usr0sess.ic +++ /dev/null @@ -1,24 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/usr0sess.ic -Sessions - -Created 6/25/1996 Heikki Tuuri -*******************************************************/ diff --git a/perfschema/include/usr0types.h b/perfschema/include/usr0types.h deleted file mode 100644 index 6cc6f015613..00000000000 --- a/perfschema/include/usr0types.h +++ /dev/null @@ -1,31 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/usr0types.h -Users and sessions global types - -Created 6/25/1996 Heikki Tuuri -*******************************************************/ - -#ifndef usr0types_h -#define usr0types_h - -typedef struct sess_struct sess_t; - -#endif diff --git a/perfschema/include/ut0auxconf.h b/perfschema/include/ut0auxconf.h deleted file mode 100644 index 16bcc308392..00000000000 --- a/perfschema/include/ut0auxconf.h +++ /dev/null @@ -1,14 +0,0 @@ -/* Do not remove this file even though it is empty. -This file is included in univ.i and will cause compilation failure -if not present. -A custom checks have been added in the generated -storage/innobase/Makefile.in that is shipped with the InnoDB Plugin -source archive. These checks eventually define some macros and put -them in this file. -This is a hack that has been developed in order to deploy new compile -time checks without the need to regenerate the ./configure script that is -distributed in the MySQL 5.1 official source archives. -If by any chance Makefile.in and ./configure are regenerated and thus -the hack from Makefile.in wiped away then the "real" checks from plug.in -will take over. -*/ diff --git a/perfschema/include/ut0byte.h b/perfschema/include/ut0byte.h deleted file mode 100644 index f55e2888c60..00000000000 --- a/perfschema/include/ut0byte.h +++ /dev/null @@ -1,270 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/ut0byte.h -Utilities for byte operations - -Created 1/20/1994 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0byte_h -#define ut0byte_h - - -#include "univ.i" - -/** Pair of ulint integers. */ -typedef struct dulint_struct dulint; -/** Type definition for a 64-bit unsigned integer, which works also -in 32-bit machines. NOTE! Access the fields only with the accessor -functions. This definition appears here only for the compiler to -know the size of a dulint. */ -struct dulint_struct{ - ulint high; /*!< most significant 32 bits */ - ulint low; /*!< least significant 32 bits */ -}; - -/** Zero value for a dulint */ -extern const dulint ut_dulint_zero; - -/** Maximum value for a dulint */ -extern const dulint ut_dulint_max; - -/*******************************************************//** -Creates a 64-bit dulint out of two ulints. -@return created dulint */ -UNIV_INLINE -dulint -ut_dulint_create( -/*=============*/ - ulint high, /*!< in: high-order 32 bits */ - ulint low); /*!< in: low-order 32 bits */ -/*******************************************************//** -Gets the high-order 32 bits of a dulint. -@return 32 bits in ulint */ -UNIV_INLINE -ulint -ut_dulint_get_high( -/*===============*/ - dulint d); /*!< in: dulint */ -/*******************************************************//** -Gets the low-order 32 bits of a dulint. -@return 32 bits in ulint */ -UNIV_INLINE -ulint -ut_dulint_get_low( -/*==============*/ - dulint d); /*!< in: dulint */ -/*******************************************************//** -Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit -integer type. -@return value in ib_int64_t type */ -UNIV_INLINE -ib_int64_t -ut_conv_dulint_to_longlong( -/*=======================*/ - dulint d); /*!< in: dulint */ -/*******************************************************//** -Tests if a dulint is zero. -@return TRUE if zero */ -UNIV_INLINE -ibool -ut_dulint_is_zero( -/*==============*/ - dulint a); /*!< in: dulint */ -/*******************************************************//** -Compares two dulints. -@return -1 if a < b, 0 if a == b, 1 if a > b */ -UNIV_INLINE -int -ut_dulint_cmp( -/*==========*/ - dulint a, /*!< in: dulint */ - dulint b); /*!< in: dulint */ -/*******************************************************//** -Calculates the max of two dulints. -@return max(a, b) */ -UNIV_INLINE -dulint -ut_dulint_get_max( -/*==============*/ - dulint a, /*!< in: dulint */ - dulint b); /*!< in: dulint */ -/*******************************************************//** -Calculates the min of two dulints. -@return min(a, b) */ -UNIV_INLINE -dulint -ut_dulint_get_min( -/*==============*/ - dulint a, /*!< in: dulint */ - dulint b); /*!< in: dulint */ -/*******************************************************//** -Adds a ulint to a dulint. -@return sum a + b */ -UNIV_INLINE -dulint -ut_dulint_add( -/*==========*/ - dulint a, /*!< in: dulint */ - ulint b); /*!< in: ulint */ -/*******************************************************//** -Subtracts a ulint from a dulint. -@return a - b */ -UNIV_INLINE -dulint -ut_dulint_subtract( -/*===============*/ - dulint a, /*!< in: dulint */ - ulint b); /*!< in: ulint, b <= a */ -/*******************************************************//** -Subtracts a dulint from another. NOTE that the difference must be positive -and smaller that 4G. -@return a - b */ -UNIV_INLINE -ulint -ut_dulint_minus( -/*============*/ - dulint a, /*!< in: dulint; NOTE a must be >= b and at most - 2 to power 32 - 1 greater */ - dulint b); /*!< in: dulint */ -/********************************************************//** -Rounds a dulint downward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -dulint -ut_dulint_align_down( -/*=================*/ - dulint n, /*!< in: number to be rounded */ - ulint align_no); /*!< in: align by this number which must be a - power of 2 */ -/********************************************************//** -Rounds a dulint upward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -dulint -ut_dulint_align_up( -/*===============*/ - dulint n, /*!< in: number to be rounded */ - ulint align_no); /*!< in: align by this number which must be a - power of 2 */ -/********************************************************//** -Rounds a dulint downward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -ib_uint64_t -ut_uint64_align_down( -/*=================*/ - ib_uint64_t n, /*!< in: number to be rounded */ - ulint align_no); /*!< in: align by this number - which must be a power of 2 */ -/********************************************************//** -Rounds ib_uint64_t upward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -ib_uint64_t -ut_uint64_align_up( -/*===============*/ - ib_uint64_t n, /*!< in: number to be rounded */ - ulint align_no); /*!< in: align by this number - which must be a power of 2 */ -/*******************************************************//** -Increments a dulint variable by 1. */ -#define UT_DULINT_INC(D)\ -{\ - if ((D).low == 0xFFFFFFFFUL) {\ - (D).high = (D).high + 1;\ - (D).low = 0;\ - } else {\ - (D).low = (D).low + 1;\ - }\ -} -/*******************************************************//** -Tests if two dulints are equal. */ -#define UT_DULINT_EQ(D1, D2) (((D1).low == (D2).low)\ - && ((D1).high == (D2).high)) -#ifdef notdefined -/************************************************************//** -Sort function for dulint arrays. */ -UNIV_INTERN -void -ut_dulint_sort( -/*===========*/ - dulint* arr, /*!< in/out: array to be sorted */ - dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ - ulint low, /*!< in: low bound of sort interval, inclusive */ - ulint high); /*!< in: high bound of sort interval, noninclusive */ -#endif /* notdefined */ - -/*********************************************************//** -The following function rounds up a pointer to the nearest aligned address. -@return aligned pointer */ -UNIV_INLINE -void* -ut_align( -/*=====*/ - const void* ptr, /*!< in: pointer */ - ulint align_no); /*!< in: align by this number */ -/*********************************************************//** -The following function rounds down a pointer to the nearest -aligned address. -@return aligned pointer */ -UNIV_INLINE -void* -ut_align_down( -/*==========*/ - const void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ - __attribute__((const)); -/*********************************************************//** -The following function computes the offset of a pointer from the nearest -aligned address. -@return distance from aligned pointer */ -UNIV_INLINE -ulint -ut_align_offset( -/*============*/ - const void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ - __attribute__((const)); -/*****************************************************************//** -Gets the nth bit of a ulint. -@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ -UNIV_INLINE -ibool -ut_bit_get_nth( -/*===========*/ - ulint a, /*!< in: ulint */ - ulint n); /*!< in: nth bit requested */ -/*****************************************************************//** -Sets the nth bit of a ulint. -@return the ulint with the bit set as requested */ -UNIV_INLINE -ulint -ut_bit_set_nth( -/*===========*/ - ulint a, /*!< in: ulint */ - ulint n, /*!< in: nth bit requested */ - ibool val); /*!< in: value for the bit to set */ - -#ifndef UNIV_NONINL -#include "ut0byte.ic" -#endif - -#endif diff --git a/perfschema/include/ut0byte.ic b/perfschema/include/ut0byte.ic deleted file mode 100644 index 3dd51890cb4..00000000000 --- a/perfschema/include/ut0byte.ic +++ /dev/null @@ -1,411 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************************//** -@file include/ut0byte.ic -Utilities for byte operations - -Created 5/30/1994 Heikki Tuuri -*******************************************************************/ - -/*******************************************************//** -Creates a 64-bit dulint out of two ulints. -@return created dulint */ -UNIV_INLINE -dulint -ut_dulint_create( -/*=============*/ - ulint high, /*!< in: high-order 32 bits */ - ulint low) /*!< in: low-order 32 bits */ -{ - dulint res; - - ut_ad(high <= 0xFFFFFFFF); - ut_ad(low <= 0xFFFFFFFF); - - res.high = high; - res.low = low; - - return(res); -} - -/*******************************************************//** -Gets the high-order 32 bits of a dulint. -@return 32 bits in ulint */ -UNIV_INLINE -ulint -ut_dulint_get_high( -/*===============*/ - dulint d) /*!< in: dulint */ -{ - return(d.high); -} - -/*******************************************************//** -Gets the low-order 32 bits of a dulint. -@return 32 bits in ulint */ -UNIV_INLINE -ulint -ut_dulint_get_low( -/*==============*/ - dulint d) /*!< in: dulint */ -{ - return(d.low); -} - -/*******************************************************//** -Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit -integer type. -@return value in ib_int64_t type */ -UNIV_INLINE -ib_int64_t -ut_conv_dulint_to_longlong( -/*=======================*/ - dulint d) /*!< in: dulint */ -{ - return((ib_int64_t)d.low - + (((ib_int64_t)d.high) << 32)); -} - -/*******************************************************//** -Tests if a dulint is zero. -@return TRUE if zero */ -UNIV_INLINE -ibool -ut_dulint_is_zero( -/*==============*/ - dulint a) /*!< in: dulint */ -{ - if ((a.low == 0) && (a.high == 0)) { - - return(TRUE); - } - - return(FALSE); -} - -/*******************************************************//** -Compares two dulints. -@return -1 if a < b, 0 if a == b, 1 if a > b */ -UNIV_INLINE -int -ut_dulint_cmp( -/*==========*/ - dulint a, /*!< in: dulint */ - dulint b) /*!< in: dulint */ -{ - if (a.high > b.high) { - return(1); - } else if (a.high < b.high) { - return(-1); - } else if (a.low > b.low) { - return(1); - } else if (a.low < b.low) { - return(-1); - } else { - return(0); - } -} - -/*******************************************************//** -Calculates the max of two dulints. -@return max(a, b) */ -UNIV_INLINE -dulint -ut_dulint_get_max( -/*==============*/ - dulint a, /*!< in: dulint */ - dulint b) /*!< in: dulint */ -{ - if (ut_dulint_cmp(a, b) > 0) { - - return(a); - } - - return(b); -} - -/*******************************************************//** -Calculates the min of two dulints. -@return min(a, b) */ -UNIV_INLINE -dulint -ut_dulint_get_min( -/*==============*/ - dulint a, /*!< in: dulint */ - dulint b) /*!< in: dulint */ -{ - if (ut_dulint_cmp(a, b) > 0) { - - return(b); - } - - return(a); -} - -/*******************************************************//** -Adds a ulint to a dulint. -@return sum a + b */ -UNIV_INLINE -dulint -ut_dulint_add( -/*==========*/ - dulint a, /*!< in: dulint */ - ulint b) /*!< in: ulint */ -{ - if (0xFFFFFFFFUL - b >= a.low) { - a.low += b; - - return(a); - } - - a.low = a.low - (0xFFFFFFFFUL - b) - 1; - - a.high++; - - return(a); -} - -/*******************************************************//** -Subtracts a ulint from a dulint. -@return a - b */ -UNIV_INLINE -dulint -ut_dulint_subtract( -/*===============*/ - dulint a, /*!< in: dulint */ - ulint b) /*!< in: ulint, b <= a */ -{ - if (a.low >= b) { - a.low -= b; - - return(a); - } - - b -= a.low + 1; - - a.low = 0xFFFFFFFFUL - b; - - ut_ad(a.high > 0); - - a.high--; - - return(a); -} - -/*******************************************************//** -Subtracts a dulint from another. NOTE that the difference must be positive -and smaller that 4G. -@return a - b */ -UNIV_INLINE -ulint -ut_dulint_minus( -/*============*/ - dulint a, /*!< in: dulint; NOTE a must be >= b and at most - 2 to power 32 - 1 greater */ - dulint b) /*!< in: dulint */ -{ - ulint diff; - - if (a.high == b.high) { - ut_ad(a.low >= b.low); - - return(a.low - b.low); - } - - ut_ad(a.high == b.high + 1); - - diff = (ulint)(0xFFFFFFFFUL - b.low); - diff += 1 + a.low; - - ut_ad(diff > a.low); - - return(diff); -} - -/********************************************************//** -Rounds a dulint downward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -dulint -ut_dulint_align_down( -/*=================*/ - dulint n, /*!< in: number to be rounded */ - ulint align_no) /*!< in: align by this number which must be a - power of 2 */ -{ - ulint low, high; - - ut_ad(align_no > 0); - ut_ad(((align_no - 1) & align_no) == 0); - - low = ut_dulint_get_low(n); - high = ut_dulint_get_high(n); - - low = low & ~(align_no - 1); - - return(ut_dulint_create(high, low)); -} - -/********************************************************//** -Rounds a dulint upward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -dulint -ut_dulint_align_up( -/*===============*/ - dulint n, /*!< in: number to be rounded */ - ulint align_no) /*!< in: align by this number which must be a - power of 2 */ -{ - return(ut_dulint_align_down(ut_dulint_add(n, align_no - 1), align_no)); -} - -/********************************************************//** -Rounds ib_uint64_t downward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -ib_uint64_t -ut_uint64_align_down( -/*=================*/ - ib_uint64_t n, /*!< in: number to be rounded */ - ulint align_no) /*!< in: align by this number - which must be a power of 2 */ -{ - ut_ad(align_no > 0); - ut_ad(ut_is_2pow(align_no)); - - return(n & ~((ib_uint64_t) align_no - 1)); -} - -/********************************************************//** -Rounds ib_uint64_t upward to a multiple of a power of 2. -@return rounded value */ -UNIV_INLINE -ib_uint64_t -ut_uint64_align_up( -/*===============*/ - ib_uint64_t n, /*!< in: number to be rounded */ - ulint align_no) /*!< in: align by this number - which must be a power of 2 */ -{ - ib_uint64_t align_1 = (ib_uint64_t) align_no - 1; - - ut_ad(align_no > 0); - ut_ad(ut_is_2pow(align_no)); - - return((n + align_1) & ~align_1); -} - -/*********************************************************//** -The following function rounds up a pointer to the nearest aligned address. -@return aligned pointer */ -UNIV_INLINE -void* -ut_align( -/*=====*/ - const void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ -{ - ut_ad(align_no > 0); - ut_ad(((align_no - 1) & align_no) == 0); - ut_ad(ptr); - - ut_ad(sizeof(void*) == sizeof(ulint)); - - return((void*)((((ulint)ptr) + align_no - 1) & ~(align_no - 1))); -} - -/*********************************************************//** -The following function rounds down a pointer to the nearest -aligned address. -@return aligned pointer */ -UNIV_INLINE -void* -ut_align_down( -/*==========*/ - const void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ -{ - ut_ad(align_no > 0); - ut_ad(((align_no - 1) & align_no) == 0); - ut_ad(ptr); - - ut_ad(sizeof(void*) == sizeof(ulint)); - - return((void*)((((ulint)ptr)) & ~(align_no - 1))); -} - -/*********************************************************//** -The following function computes the offset of a pointer from the nearest -aligned address. -@return distance from aligned pointer */ -UNIV_INLINE -ulint -ut_align_offset( -/*============*/ - const void* ptr, /*!< in: pointer */ - ulint align_no) /*!< in: align by this number */ -{ - ut_ad(align_no > 0); - ut_ad(((align_no - 1) & align_no) == 0); - ut_ad(ptr); - - ut_ad(sizeof(void*) == sizeof(ulint)); - - return(((ulint)ptr) & (align_no - 1)); -} - -/*****************************************************************//** -Gets the nth bit of a ulint. -@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */ -UNIV_INLINE -ibool -ut_bit_get_nth( -/*===========*/ - ulint a, /*!< in: ulint */ - ulint n) /*!< in: nth bit requested */ -{ - ut_ad(n < 8 * sizeof(ulint)); -#if TRUE != 1 -# error "TRUE != 1" -#endif - return(1 & (a >> n)); -} - -/*****************************************************************//** -Sets the nth bit of a ulint. -@return the ulint with the bit set as requested */ -UNIV_INLINE -ulint -ut_bit_set_nth( -/*===========*/ - ulint a, /*!< in: ulint */ - ulint n, /*!< in: nth bit requested */ - ibool val) /*!< in: value for the bit to set */ -{ - ut_ad(n < 8 * sizeof(ulint)); -#if TRUE != 1 -# error "TRUE != 1" -#endif - if (val) { - return(((ulint) 1 << n) | a); - } else { - return(~((ulint) 1 << n) & a); - } -} diff --git a/perfschema/include/ut0dbg.h b/perfschema/include/ut0dbg.h deleted file mode 100644 index 78b525c38ab..00000000000 --- a/perfschema/include/ut0dbg.h +++ /dev/null @@ -1,175 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*****************************************************************//** -@file include/ut0dbg.h -Debug utilities for Innobase - -Created 1/30/1994 Heikki Tuuri -**********************************************************************/ - -#ifndef ut0dbg_h -#define ut0dbg_h - -#include "univ.i" -#include -#include "os0thread.h" - -#if defined(__GNUC__) && (__GNUC__ > 2) -/** Test if an assertion fails. -@param EXPR assertion expression -@return nonzero if EXPR holds, zero if not */ -# define UT_DBG_FAIL(EXPR) UNIV_UNLIKELY(!((ulint)(EXPR))) -#else -/** This is used to eliminate compiler warnings */ -extern ulint ut_dbg_zero; -/** Test if an assertion fails. -@param EXPR assertion expression -@return nonzero if EXPR holds, zero if not */ -# define UT_DBG_FAIL(EXPR) !((ulint)(EXPR) + ut_dbg_zero) -#endif - -/*************************************************************//** -Report a failed assertion. */ -UNIV_INTERN -void -ut_dbg_assertion_failed( -/*====================*/ - const char* expr, /*!< in: the failed assertion */ - const char* file, /*!< in: source file containing the assertion */ - ulint line); /*!< in: line number of the assertion */ - -#ifdef __NETWARE__ -/** Flag for ignoring further assertion failures. This is set to TRUE -when on NetWare there happens an InnoDB assertion failure or other -fatal error condition that requires an immediate shutdown. */ -extern ibool panic_shutdown; -/* Abort the execution. */ -void ut_dbg_panic(void); -# define UT_DBG_PANIC ut_dbg_panic() -/* Stop threads in ut_a(). */ -# define UT_DBG_STOP do {} while (0) /* We do not do this on NetWare */ -#else /* __NETWARE__ */ -# if defined(__WIN__) || defined(__INTEL_COMPILER) -# undef UT_DBG_USE_ABORT -# elif defined(__GNUC__) && (__GNUC__ > 2) -# define UT_DBG_USE_ABORT -# endif - -# ifndef UT_DBG_USE_ABORT -/** A null pointer that will be dereferenced to trigger a memory trap */ -extern ulint* ut_dbg_null_ptr; -# endif - -# if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads -will stop at the next ut_a() or ut_ad(). */ -extern ibool ut_dbg_stop_threads; - -/*************************************************************//** -Stop a thread after assertion failure. */ -UNIV_INTERN -void -ut_dbg_stop_thread( -/*===============*/ - const char* file, - ulint line); -# endif - -# ifdef UT_DBG_USE_ABORT -/** Abort the execution. */ -# define UT_DBG_PANIC abort() -/** Stop threads (null operation) */ -# define UT_DBG_STOP do {} while (0) -# else /* UT_DBG_USE_ABORT */ -/** Abort the execution. */ -# define UT_DBG_PANIC \ - if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL -/** Stop threads in ut_a(). */ -# define UT_DBG_STOP do \ - if (UNIV_UNLIKELY(ut_dbg_stop_threads)) { \ - ut_dbg_stop_thread(__FILE__, (ulint) __LINE__); \ - } while (0) -# endif /* UT_DBG_USE_ABORT */ -#endif /* __NETWARE__ */ - -/** Abort execution if EXPR does not evaluate to nonzero. -@param EXPR assertion expression that should hold */ -#define ut_a(EXPR) do { \ - if (UT_DBG_FAIL(EXPR)) { \ - ut_dbg_assertion_failed(#EXPR, \ - __FILE__, (ulint) __LINE__); \ - UT_DBG_PANIC; \ - } \ - UT_DBG_STOP; \ -} while (0) - -/** Abort execution. */ -#define ut_error do { \ - ut_dbg_assertion_failed(0, __FILE__, (ulint) __LINE__); \ - UT_DBG_PANIC; \ -} while (0) - -#ifdef UNIV_DEBUG -/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ -#define ut_ad(EXPR) ut_a(EXPR) -/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ -#define ut_d(EXPR) do {EXPR;} while (0) -#else -/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */ -#define ut_ad(EXPR) -/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */ -#define ut_d(EXPR) -#endif - -/** Silence warnings about an unused variable by doing a null assignment. -@param A the unused variable */ -#define UT_NOT_USED(A) A = A - -#ifdef UNIV_COMPILE_TEST_FUNCS - -#include -#include -#include - -/** structure used for recording usage statistics */ -typedef struct speedo_struct { - struct rusage ru; /*!< getrusage() result */ - struct timeval tv; /*!< gettimeofday() result */ -} speedo_t; - -/*******************************************************************//** -Resets a speedo (records the current time in it). */ -UNIV_INTERN -void -speedo_reset( -/*=========*/ - speedo_t* speedo); /*!< out: speedo */ - -/*******************************************************************//** -Shows the time elapsed and usage statistics since the last reset of a -speedo. */ -UNIV_INTERN -void -speedo_show( -/*========*/ - const speedo_t* speedo); /*!< in: speedo */ - -#endif /* UNIV_COMPILE_TEST_FUNCS */ - -#endif diff --git a/perfschema/include/ut0list.h b/perfschema/include/ut0list.h deleted file mode 100644 index ec67f4e2a0f..00000000000 --- a/perfschema/include/ut0list.h +++ /dev/null @@ -1,172 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0list.h -A double-linked list - -Created 4/26/2006 Osku Salerma -************************************************************************/ - -/*******************************************************************//** -A double-linked list. This differs from the one in ut0lst.h in that in this -one, each list node contains a pointer to the data, whereas the one in -ut0lst.h uses a strategy where the list pointers are embedded in the data -items themselves. - -Use this one when you need to store arbitrary data in the list where you -can't embed the list pointers in the data, if a data item needs to be -stored in multiple lists, etc. - -Note about the memory management: ib_list_t is a fixed-size struct whose -allocation/deallocation is done through ib_list_create/ib_list_free, but the -memory for the list nodes is allocated through a user-given memory heap, -which can either be the same for all nodes or vary per node. Most users will -probably want to create a memory heap to store the item-specific data, and -pass in this same heap to the list node creation functions, thus -automatically freeing the list node when the item's heap is freed. - -************************************************************************/ - -#ifndef IB_LIST_H -#define IB_LIST_H - -#include "mem0mem.h" - -typedef struct ib_list_struct ib_list_t; -typedef struct ib_list_node_struct ib_list_node_t; -typedef struct ib_list_helper_struct ib_list_helper_t; - -/****************************************************************//** -Create a new list using mem_alloc. Lists created with this function must be -freed with ib_list_free. -@return list */ -UNIV_INTERN -ib_list_t* -ib_list_create(void); -/*=================*/ - - -/****************************************************************//** -Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for -lists created with this function. -@return list */ -UNIV_INTERN -ib_list_t* -ib_list_create_heap( -/*================*/ - mem_heap_t* heap); /*!< in: memory heap to use */ - -/****************************************************************//** -Free a list. */ -UNIV_INTERN -void -ib_list_free( -/*=========*/ - ib_list_t* list); /*!< in: list */ - -/****************************************************************//** -Add the data to the start of the list. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_first( -/*==============*/ - ib_list_t* list, /*!< in: list */ - void* data, /*!< in: data */ - mem_heap_t* heap); /*!< in: memory heap to use */ - -/****************************************************************//** -Add the data to the end of the list. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_last( -/*=============*/ - ib_list_t* list, /*!< in: list */ - void* data, /*!< in: data */ - mem_heap_t* heap); /*!< in: memory heap to use */ - -/****************************************************************//** -Add the data after the indicated node. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_after( -/*==============*/ - ib_list_t* list, /*!< in: list */ - ib_list_node_t* prev_node, /*!< in: node preceding new node (can - be NULL) */ - void* data, /*!< in: data */ - mem_heap_t* heap); /*!< in: memory heap to use */ - -/****************************************************************//** -Remove the node from the list. */ -UNIV_INTERN -void -ib_list_remove( -/*===========*/ - ib_list_t* list, /*!< in: list */ - ib_list_node_t* node); /*!< in: node to remove */ - -/****************************************************************//** -Get the first node in the list. -@return first node, or NULL */ -UNIV_INLINE -ib_list_node_t* -ib_list_get_first( -/*==============*/ - ib_list_t* list); /*!< in: list */ - -/****************************************************************//** -Get the last node in the list. -@return last node, or NULL */ -UNIV_INLINE -ib_list_node_t* -ib_list_get_last( -/*=============*/ - ib_list_t* list); /*!< in: list */ - -/* List. */ -struct ib_list_struct { - ib_list_node_t* first; /*!< first node */ - ib_list_node_t* last; /*!< last node */ - ibool is_heap_list; /*!< TRUE if this list was - allocated through a heap */ -}; - -/* A list node. */ -struct ib_list_node_struct { - ib_list_node_t* prev; /*!< previous node */ - ib_list_node_t* next; /*!< next node */ - void* data; /*!< user data */ -}; - -/* Quite often, the only additional piece of data you need is the per-item -memory heap, so we have this generic struct available to use in those -cases. */ -struct ib_list_helper_struct { - mem_heap_t* heap; /*!< memory heap */ - void* data; /*!< user data */ -}; - -#ifndef UNIV_NONINL -#include "ut0list.ic" -#endif - -#endif diff --git a/perfschema/include/ut0list.ic b/perfschema/include/ut0list.ic deleted file mode 100644 index eb5c62796e8..00000000000 --- a/perfschema/include/ut0list.ic +++ /dev/null @@ -1,48 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0list.ic -A double-linked list - -Created 4/26/2006 Osku Salerma -************************************************************************/ - -/****************************************************************//** -Get the first node in the list. -@return first node, or NULL */ -UNIV_INLINE -ib_list_node_t* -ib_list_get_first( -/*==============*/ - ib_list_t* list) /*!< in: list */ -{ - return(list->first); -} - -/****************************************************************//** -Get the last node in the list. -@return last node, or NULL */ -UNIV_INLINE -ib_list_node_t* -ib_list_get_last( -/*=============*/ - ib_list_t* list) /*!< in: list */ -{ - return(list->last); -} diff --git a/perfschema/include/ut0lst.h b/perfschema/include/ut0lst.h deleted file mode 100644 index 261d33963dc..00000000000 --- a/perfschema/include/ut0lst.h +++ /dev/null @@ -1,261 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/ut0lst.h -List utilities - -Created 9/10/1995 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0lst_h -#define ut0lst_h - -#include "univ.i" - -/* This module implements the two-way linear list which should be used -if a list is used in the database. Note that a single struct may belong -to two or more lists, provided that the list are given different names. -An example of the usage of the lists can be found in fil0fil.c. */ - -/*******************************************************************//** -This macro expands to the unnamed type definition of a struct which acts -as the two-way list base node. The base node contains pointers -to both ends of the list and a count of nodes in the list (excluding -the base node from the count). -@param TYPE the name of the list node data type */ -#define UT_LIST_BASE_NODE_T(TYPE)\ -struct {\ - ulint count; /*!< count of nodes in list */\ - TYPE * start; /*!< pointer to list start, NULL if empty */\ - TYPE * end; /*!< pointer to list end, NULL if empty */\ -}\ - -/*******************************************************************//** -This macro expands to the unnamed type definition of a struct which -should be embedded in the nodes of the list, the node type must be a struct. -This struct contains the pointers to next and previous nodes in the list. -The name of the field in the node struct should be the name given -to the list. -@param TYPE the list node type name */ -/* Example: -typedef struct LRU_node_struct LRU_node_t; -struct LRU_node_struct { - UT_LIST_NODE_T(LRU_node_t) LRU_list; - ... -} -The example implements an LRU list of name LRU_list. Its nodes are of type -LRU_node_t. */ - -#define UT_LIST_NODE_T(TYPE)\ -struct {\ - TYPE * prev; /*!< pointer to the previous node,\ - NULL if start of list */\ - TYPE * next; /*!< pointer to next node, NULL if end of list */\ -}\ - -/*******************************************************************//** -Initializes the base node of a two-way list. -@param BASE the list base node -*/ -#define UT_LIST_INIT(BASE)\ -{\ - (BASE).count = 0;\ - (BASE).start = NULL;\ - (BASE).end = NULL;\ -}\ - -/*******************************************************************//** -Adds the node as the first element in a two-way linked list. -@param NAME list name -@param BASE the base node (not a pointer to it) -@param N pointer to the node to be added to the list. -*/ -#define UT_LIST_ADD_FIRST(NAME, BASE, N)\ -{\ - ut_ad(N);\ - ((BASE).count)++;\ - ((N)->NAME).next = (BASE).start;\ - ((N)->NAME).prev = NULL;\ - if (UNIV_LIKELY((BASE).start != NULL)) {\ - ut_ad((BASE).start != (N));\ - (((BASE).start)->NAME).prev = (N);\ - }\ - (BASE).start = (N);\ - if (UNIV_UNLIKELY((BASE).end == NULL)) {\ - (BASE).end = (N);\ - }\ -}\ - -/*******************************************************************//** -Adds the node as the last element in a two-way linked list. -@param NAME list name -@param BASE the base node (not a pointer to it) -@param N pointer to the node to be added to the list -*/ -#define UT_LIST_ADD_LAST(NAME, BASE, N)\ -{\ - ut_ad(N);\ - ((BASE).count)++;\ - ((N)->NAME).prev = (BASE).end;\ - ((N)->NAME).next = NULL;\ - if ((BASE).end != NULL) {\ - ut_ad((BASE).end != (N));\ - (((BASE).end)->NAME).next = (N);\ - }\ - (BASE).end = (N);\ - if ((BASE).start == NULL) {\ - (BASE).start = (N);\ - }\ -}\ - -/*******************************************************************//** -Inserts a NODE2 after NODE1 in a list. -@param NAME list name -@param BASE the base node (not a pointer to it) -@param NODE1 pointer to node after which NODE2 is inserted -@param NODE2 pointer to node being inserted after NODE1 -*/ -#define UT_LIST_INSERT_AFTER(NAME, BASE, NODE1, NODE2)\ -{\ - ut_ad(NODE1);\ - ut_ad(NODE2);\ - ut_ad((NODE1) != (NODE2));\ - ((BASE).count)++;\ - ((NODE2)->NAME).prev = (NODE1);\ - ((NODE2)->NAME).next = ((NODE1)->NAME).next;\ - if (((NODE1)->NAME).next != NULL) {\ - ((((NODE1)->NAME).next)->NAME).prev = (NODE2);\ - }\ - ((NODE1)->NAME).next = (NODE2);\ - if ((BASE).end == (NODE1)) {\ - (BASE).end = (NODE2);\ - }\ -}\ - -#ifdef UNIV_LIST_DEBUG -/** Invalidate the pointers in a list node. -@param NAME list name -@param N pointer to the node that was removed */ -# define UT_LIST_REMOVE_CLEAR(NAME, N) \ -((N)->NAME.prev = (N)->NAME.next = (void*) -1) -#else -/** Invalidate the pointers in a list node. -@param NAME list name -@param N pointer to the node that was removed */ -# define UT_LIST_REMOVE_CLEAR(NAME, N) while (0) -#endif - -/*******************************************************************//** -Removes a node from a two-way linked list. -@param NAME list name -@param BASE the base node (not a pointer to it) -@param N pointer to the node to be removed from the list -*/ -#define UT_LIST_REMOVE(NAME, BASE, N) \ -do { \ - ut_ad(N); \ - ut_a((BASE).count > 0); \ - ((BASE).count)--; \ - if (((N)->NAME).next != NULL) { \ - ((((N)->NAME).next)->NAME).prev = ((N)->NAME).prev; \ - } else { \ - (BASE).end = ((N)->NAME).prev; \ - } \ - if (((N)->NAME).prev != NULL) { \ - ((((N)->NAME).prev)->NAME).next = ((N)->NAME).next; \ - } else { \ - (BASE).start = ((N)->NAME).next; \ - } \ - UT_LIST_REMOVE_CLEAR(NAME, N); \ -} while (0) - -/********************************************************************//** -Gets the next node in a two-way list. -@param NAME list name -@param N pointer to a node -@return the successor of N in NAME, or NULL */ -#define UT_LIST_GET_NEXT(NAME, N)\ - (((N)->NAME).next) - -/********************************************************************//** -Gets the previous node in a two-way list. -@param NAME list name -@param N pointer to a node -@return the predecessor of N in NAME, or NULL */ -#define UT_LIST_GET_PREV(NAME, N)\ - (((N)->NAME).prev) - -/********************************************************************//** -Alternative macro to get the number of nodes in a two-way list, i.e., -its length. -@param BASE the base node (not a pointer to it). -@return the number of nodes in the list */ -#define UT_LIST_GET_LEN(BASE)\ - (BASE).count - -/********************************************************************//** -Gets the first node in a two-way list. -@param BASE the base node (not a pointer to it) -@return first node, or NULL if the list is empty */ -#define UT_LIST_GET_FIRST(BASE)\ - (BASE).start - -/********************************************************************//** -Gets the last node in a two-way list. -@param BASE the base node (not a pointer to it) -@return last node, or NULL if the list is empty */ -#define UT_LIST_GET_LAST(BASE)\ - (BASE).end - -/********************************************************************//** -Checks the consistency of a two-way list. -@param NAME the name of the list -@param TYPE node type -@param BASE base node (not a pointer to it) -@param ASSERTION a condition on ut_list_node_313 */ -#define UT_LIST_VALIDATE(NAME, TYPE, BASE, ASSERTION) \ -do { \ - ulint ut_list_i_313; \ - TYPE* ut_list_node_313; \ - \ - ut_list_node_313 = (BASE).start; \ - \ - for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ - ut_a(ut_list_node_313); \ - ASSERTION; \ - ut_ad((ut_list_node_313->NAME).next || !ut_list_i_313); \ - ut_list_node_313 = (ut_list_node_313->NAME).next; \ - } \ - \ - ut_a(ut_list_node_313 == NULL); \ - \ - ut_list_node_313 = (BASE).end; \ - \ - for (ut_list_i_313 = (BASE).count; ut_list_i_313--; ) { \ - ut_a(ut_list_node_313); \ - ASSERTION; \ - ut_ad((ut_list_node_313->NAME).prev || !ut_list_i_313); \ - ut_list_node_313 = (ut_list_node_313->NAME).prev; \ - } \ - \ - ut_a(ut_list_node_313 == NULL); \ -} while (0) - -#endif - diff --git a/perfschema/include/ut0mem.h b/perfschema/include/ut0mem.h deleted file mode 100644 index cf41cba4643..00000000000 --- a/perfschema/include/ut0mem.h +++ /dev/null @@ -1,306 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0mem.h -Memory primitives - -Created 5/30/1994 Heikki Tuuri -************************************************************************/ - -#ifndef ut0mem_h -#define ut0mem_h - -#include "univ.i" -#include -#ifndef UNIV_HOTBACKUP -# include "os0sync.h" - -/** The total amount of memory currently allocated from the operating -system with os_mem_alloc_large() or malloc(). Does not count malloc() -if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ -extern ulint ut_total_allocated_memory; - -/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ -extern os_fast_mutex_t ut_list_mutex; -#endif /* !UNIV_HOTBACKUP */ - -/** Wrapper for memcpy(3). Copy memory area when the source and -target are not overlapping. -* @param dest in: copy to -* @param sour in: copy from -* @param n in: number of bytes to copy -* @return dest */ -UNIV_INLINE -void* -ut_memcpy(void* dest, const void* sour, ulint n); - -/** Wrapper for memmove(3). Copy memory area when the source and -target are overlapping. -* @param dest in: copy to -* @param sour in: copy from -* @param n in: number of bytes to copy -* @return dest */ -UNIV_INLINE -void* -ut_memmove(void* dest, const void* sour, ulint n); - -/** Wrapper for memcmp(3). Compare memory areas. -* @param str1 in: first memory block to compare -* @param str2 in: second memory block to compare -* @param n in: number of bytes to compare -* @return negative, 0, or positive if str1 is smaller, equal, - or greater than str2, respectively. */ -UNIV_INLINE -int -ut_memcmp(const void* str1, const void* str2, ulint n); - -/**********************************************************************//** -Initializes the mem block list at database startup. */ -UNIV_INTERN -void -ut_mem_init(void); -/*=============*/ - -/**********************************************************************//** -Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined and set_to_zero is TRUE. -@return own: allocated memory */ -UNIV_INTERN -void* -ut_malloc_low( -/*==========*/ - ulint n, /*!< in: number of bytes to allocate */ - ibool set_to_zero, /*!< in: TRUE if allocated memory - should be set to zero if - UNIV_SET_MEM_TO_ZERO is defined */ - ibool assert_on_error); /*!< in: if TRUE, we crash mysqld if - the memory cannot be allocated */ -/**********************************************************************//** -Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined. -@return own: allocated memory */ -UNIV_INTERN -void* -ut_malloc( -/*======*/ - ulint n); /*!< in: number of bytes to allocate */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs -out. It cannot be used if we want to return an error message. Prints to -stderr a message if fails. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -ut_test_malloc( -/*===========*/ - ulint n); /*!< in: try to allocate this many bytes */ -#endif /* !UNIV_HOTBACKUP */ -/**********************************************************************//** -Frees a memory block allocated with ut_malloc. */ -UNIV_INTERN -void -ut_free( -/*====*/ - void* ptr); /*!< in, own: memory block */ -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not -use this function because the allocation functions in mem0mem.h are the -recommended ones in InnoDB. - -man realloc in Linux, 2004: - - realloc() changes the size of the memory block pointed to - by ptr to size bytes. The contents will be unchanged to - the minimum of the old and new sizes; newly allocated mem­ - ory will be uninitialized. If ptr is NULL, the call is - equivalent to malloc(size); if size is equal to zero, the - call is equivalent to free(ptr). Unless ptr is NULL, it - must have been returned by an earlier call to malloc(), - calloc() or realloc(). - -RETURN VALUE - realloc() returns a pointer to the newly allocated memory, - which is suitably aligned for any kind of variable and may - be different from ptr, or NULL if the request fails. If - size was equal to 0, either NULL or a pointer suitable to - be passed to free() is returned. If realloc() fails the - original block is left untouched - it is not freed or - moved. -@return own: pointer to new mem block or NULL */ -UNIV_INTERN -void* -ut_realloc( -/*=======*/ - void* ptr, /*!< in: pointer to old block or NULL */ - ulint size); /*!< in: desired size */ -/**********************************************************************//** -Frees in shutdown all allocated memory not freed yet. */ -UNIV_INTERN -void -ut_free_all_mem(void); -/*=================*/ -#endif /* !UNIV_HOTBACKUP */ - -/** Wrapper for strcpy(3). Copy a NUL-terminated string. -* @param dest in: copy to -* @param sour in: copy from -* @return dest */ -UNIV_INLINE -char* -ut_strcpy(char* dest, const char* sour); - -/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. -* @param str in: string -* @return length of the string in bytes, excluding the terminating NUL */ -UNIV_INLINE -ulint -ut_strlen(const char* str); - -/** Wrapper for strcmp(3). Compare NUL-terminated strings. -* @param str1 in: first string to compare -* @param str2 in: second string to compare -* @return negative, 0, or positive if str1 is smaller, equal, - or greater than str2, respectively. */ -UNIV_INLINE -int -ut_strcmp(const char* str1, const char* str2); - -/**********************************************************************//** -Copies up to size - 1 characters from the NUL-terminated string src to -dst, NUL-terminating the result. Returns strlen(src), so truncation -occurred if the return value >= size. -@return strlen(src) */ -UNIV_INTERN -ulint -ut_strlcpy( -/*=======*/ - char* dst, /*!< in: destination buffer */ - const char* src, /*!< in: source buffer */ - ulint size); /*!< in: size of destination buffer */ - -/**********************************************************************//** -Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last -(size - 1) bytes of src, not the first. -@return strlen(src) */ -UNIV_INTERN -ulint -ut_strlcpy_rev( -/*===========*/ - char* dst, /*!< in: destination buffer */ - const char* src, /*!< in: source buffer */ - ulint size); /*!< in: size of destination buffer */ - -/**********************************************************************//** -Compute strlen(ut_strcpyq(str, q)). -@return length of the string when quoted */ -UNIV_INLINE -ulint -ut_strlenq( -/*=======*/ - const char* str, /*!< in: null-terminated string */ - char q); /*!< in: the quote character */ - -/**********************************************************************//** -Make a quoted copy of a NUL-terminated string. Leading and trailing -quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_memcpyq(). -@return pointer to end of dest */ -UNIV_INTERN -char* -ut_strcpyq( -/*=======*/ - char* dest, /*!< in: output buffer */ - char q, /*!< in: the quote character */ - const char* src); /*!< in: null-terminated string */ - -/**********************************************************************//** -Make a quoted copy of a fixed-length string. Leading and trailing -quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_strcpyq(). -@return pointer to end of dest */ -UNIV_INTERN -char* -ut_memcpyq( -/*=======*/ - char* dest, /*!< in: output buffer */ - char q, /*!< in: the quote character */ - const char* src, /*!< in: string to be quoted */ - ulint len); /*!< in: length of src */ - -/**********************************************************************//** -Return the number of times s2 occurs in s1. Overlapping instances of s2 -are only counted once. -@return the number of times s2 occurs in s1 */ -UNIV_INTERN -ulint -ut_strcount( -/*========*/ - const char* s1, /*!< in: string to search in */ - const char* s2); /*!< in: string to search for */ - -/**********************************************************************//** -Replace every occurrence of s1 in str with s2. Overlapping instances of s1 -are only replaced once. -@return own: modified string, must be freed with mem_free() */ -UNIV_INTERN -char* -ut_strreplace( -/*==========*/ - const char* str, /*!< in: string to operate on */ - const char* s1, /*!< in: string to replace */ - const char* s2); /*!< in: string to replace s1 with */ - -/**********************************************************************//** -Converts a raw binary data to a NUL-terminated hex string. The output is -truncated if there is not enough space in "hex", make sure "hex_size" is at -least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the NUL). -@return number of chars written */ -UNIV_INLINE -ulint -ut_raw_to_hex( -/*==========*/ - const void* raw, /*!< in: raw data */ - ulint raw_size, /*!< in: "raw" length in bytes */ - char* hex, /*!< out: hex string */ - ulint hex_size); /*!< in: "hex" size in bytes */ - -/*******************************************************************//** -Adds single quotes to the start and end of string and escapes any quotes -by doubling them. Returns the number of bytes that were written to "buf" -(including the terminating NUL). If buf_size is too small then the -trailing bytes from "str" are discarded. -@return number of bytes that were written */ -UNIV_INLINE -ulint -ut_str_sql_format( -/*==============*/ - const char* str, /*!< in: string */ - ulint str_len, /*!< in: string length in bytes */ - char* buf, /*!< out: output buffer */ - ulint buf_size); /*!< in: output buffer size - in bytes */ - -#ifndef UNIV_NONINL -#include "ut0mem.ic" -#endif - -#endif diff --git a/perfschema/include/ut0mem.ic b/perfschema/include/ut0mem.ic deleted file mode 100644 index f36c28f1989..00000000000 --- a/perfschema/include/ut0mem.ic +++ /dev/null @@ -1,338 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0mem.ic -Memory primitives - -Created 5/30/1994 Heikki Tuuri -************************************************************************/ - -#include "ut0byte.h" -#include "mach0data.h" - -/** Wrapper for memcpy(3). Copy memory area when the source and -target are not overlapping. -* @param dest in: copy to -* @param sour in: copy from -* @param n in: number of bytes to copy -* @return dest */ -UNIV_INLINE -void* -ut_memcpy(void* dest, const void* sour, ulint n) -{ - return(memcpy(dest, sour, n)); -} - -/** Wrapper for memmove(3). Copy memory area when the source and -target are overlapping. -* @param dest in: copy to -* @param sour in: copy from -* @param n in: number of bytes to copy -* @return dest */ -UNIV_INLINE -void* -ut_memmove(void* dest, const void* sour, ulint n) -{ - return(memmove(dest, sour, n)); -} - -/** Wrapper for memcmp(3). Compare memory areas. -* @param str1 in: first memory block to compare -* @param str2 in: second memory block to compare -* @param n in: number of bytes to compare -* @return negative, 0, or positive if str1 is smaller, equal, - or greater than str2, respectively. */ -UNIV_INLINE -int -ut_memcmp(const void* str1, const void* str2, ulint n) -{ - return(memcmp(str1, str2, n)); -} - -/** Wrapper for strcpy(3). Copy a NUL-terminated string. -* @param dest in: copy to -* @param sour in: copy from -* @return dest */ -UNIV_INLINE -char* -ut_strcpy(char* dest, const char* sour) -{ - return(strcpy(dest, sour)); -} - -/** Wrapper for strlen(3). Determine the length of a NUL-terminated string. -* @param str in: string -* @return length of the string in bytes, excluding the terminating NUL */ -UNIV_INLINE -ulint -ut_strlen(const char* str) -{ - return(strlen(str)); -} - -/** Wrapper for strcmp(3). Compare NUL-terminated strings. -* @param str1 in: first string to compare -* @param str2 in: second string to compare -* @return negative, 0, or positive if str1 is smaller, equal, - or greater than str2, respectively. */ -UNIV_INLINE -int -ut_strcmp(const char* str1, const char* str2) -{ - return(strcmp(str1, str2)); -} - -/**********************************************************************//** -Compute strlen(ut_strcpyq(str, q)). -@return length of the string when quoted */ -UNIV_INLINE -ulint -ut_strlenq( -/*=======*/ - const char* str, /*!< in: null-terminated string */ - char q) /*!< in: the quote character */ -{ - ulint len; - - for (len = 0; *str; len++, str++) { - if (*str == q) { - len++; - } - } - - return(len); -} - -/**********************************************************************//** -Converts a raw binary data to a NUL-terminated hex string. The output is -truncated if there is not enough space in "hex", make sure "hex_size" is at -least (2 * raw_size + 1) if you do not want this to happen. Returns the -actual number of characters written to "hex" (including the NUL). -@return number of chars written */ -UNIV_INLINE -ulint -ut_raw_to_hex( -/*==========*/ - const void* raw, /*!< in: raw data */ - ulint raw_size, /*!< in: "raw" length in bytes */ - char* hex, /*!< out: hex string */ - ulint hex_size) /*!< in: "hex" size in bytes */ -{ - -#ifdef WORDS_BIGENDIAN - -#define MK_UINT16(a, b) (((uint16) (a)) << 8 | (uint16) (b)) - -#define UINT16_GET_A(u) ((unsigned char) ((u) >> 8)) -#define UINT16_GET_B(u) ((unsigned char) ((u) & 0xFF)) - -#else /* WORDS_BIGENDIAN */ - -#define MK_UINT16(a, b) (((uint16) (b)) << 8 | (uint16) (a)) - -#define UINT16_GET_A(u) ((unsigned char) ((u) & 0xFF)) -#define UINT16_GET_B(u) ((unsigned char) ((u) >> 8)) - -#endif /* WORDS_BIGENDIAN */ - -#define MK_ALL_UINT16_WITH_A(a) \ - MK_UINT16(a, '0'), \ - MK_UINT16(a, '1'), \ - MK_UINT16(a, '2'), \ - MK_UINT16(a, '3'), \ - MK_UINT16(a, '4'), \ - MK_UINT16(a, '5'), \ - MK_UINT16(a, '6'), \ - MK_UINT16(a, '7'), \ - MK_UINT16(a, '8'), \ - MK_UINT16(a, '9'), \ - MK_UINT16(a, 'A'), \ - MK_UINT16(a, 'B'), \ - MK_UINT16(a, 'C'), \ - MK_UINT16(a, 'D'), \ - MK_UINT16(a, 'E'), \ - MK_UINT16(a, 'F') - - static const uint16 hex_map[256] = { - MK_ALL_UINT16_WITH_A('0'), - MK_ALL_UINT16_WITH_A('1'), - MK_ALL_UINT16_WITH_A('2'), - MK_ALL_UINT16_WITH_A('3'), - MK_ALL_UINT16_WITH_A('4'), - MK_ALL_UINT16_WITH_A('5'), - MK_ALL_UINT16_WITH_A('6'), - MK_ALL_UINT16_WITH_A('7'), - MK_ALL_UINT16_WITH_A('8'), - MK_ALL_UINT16_WITH_A('9'), - MK_ALL_UINT16_WITH_A('A'), - MK_ALL_UINT16_WITH_A('B'), - MK_ALL_UINT16_WITH_A('C'), - MK_ALL_UINT16_WITH_A('D'), - MK_ALL_UINT16_WITH_A('E'), - MK_ALL_UINT16_WITH_A('F') - }; - const unsigned char* rawc; - ulint read_bytes; - ulint write_bytes; - ulint i; - - rawc = (const unsigned char*) raw; - - if (hex_size == 0) { - - return(0); - } - - if (hex_size <= 2 * raw_size) { - - read_bytes = hex_size / 2; - write_bytes = hex_size; - } else { - - read_bytes = raw_size; - write_bytes = 2 * raw_size + 1; - } - -#define LOOP_READ_BYTES(ASSIGN) \ - for (i = 0; i < read_bytes; i++) { \ - ASSIGN; \ - hex += 2; \ - rawc++; \ - } - - if (ut_align_offset(hex, 2) == 0) { - - LOOP_READ_BYTES( - *(uint16*) hex = hex_map[*rawc] - ); - } else { - - LOOP_READ_BYTES( - *hex = UINT16_GET_A(hex_map[*rawc]); - *(hex + 1) = UINT16_GET_B(hex_map[*rawc]) - ); - } - - if (hex_size <= 2 * raw_size && hex_size % 2 == 0) { - - hex--; - } - - *hex = '\0'; - - return(write_bytes); -} - -/*******************************************************************//** -Adds single quotes to the start and end of string and escapes any quotes -by doubling them. Returns the number of bytes that were written to "buf" -(including the terminating NUL). If buf_size is too small then the -trailing bytes from "str" are discarded. -@return number of bytes that were written */ -UNIV_INLINE -ulint -ut_str_sql_format( -/*==============*/ - const char* str, /*!< in: string */ - ulint str_len, /*!< in: string length in bytes */ - char* buf, /*!< out: output buffer */ - ulint buf_size) /*!< in: output buffer size - in bytes */ -{ - ulint str_i; - ulint buf_i; - - buf_i = 0; - - switch (buf_size) { - case 3: - - if (str_len == 0) { - - buf[buf_i] = '\''; - buf_i++; - buf[buf_i] = '\''; - buf_i++; - } - /* FALLTHROUGH */ - case 2: - case 1: - - buf[buf_i] = '\0'; - buf_i++; - /* FALLTHROUGH */ - case 0: - - return(buf_i); - } - - /* buf_size >= 4 */ - - buf[0] = '\''; - buf_i = 1; - - for (str_i = 0; str_i < str_len; str_i++) { - - char ch; - - if (buf_size - buf_i == 2) { - - break; - } - - ch = str[str_i]; - - switch (ch) { - case '\0': - - if (UNIV_UNLIKELY(buf_size - buf_i < 4)) { - - goto func_exit; - } - buf[buf_i] = '\\'; - buf_i++; - buf[buf_i] = '0'; - buf_i++; - break; - case '\'': - case '\\': - - if (UNIV_UNLIKELY(buf_size - buf_i < 4)) { - - goto func_exit; - } - buf[buf_i] = ch; - buf_i++; - /* FALLTHROUGH */ - default: - - buf[buf_i] = ch; - buf_i++; - } - } - -func_exit: - - buf[buf_i] = '\''; - buf_i++; - buf[buf_i] = '\0'; - buf_i++; - - return(buf_i); -} diff --git a/perfschema/include/ut0rbt.h b/perfschema/include/ut0rbt.h deleted file mode 100644 index a35807be442..00000000000 --- a/perfschema/include/ut0rbt.h +++ /dev/null @@ -1,293 +0,0 @@ -/****************************************************** -Red-Black tree implementation. -(c) 2007 Oracle/Innobase Oy - -Created 2007-03-20 Sunny Bains -*******************************************************/ - -#ifndef INNOBASE_UT0RBT_H -#define INNOBASE_UT0RBT_H - -#if !defined(IB_RBT_TESTING) -#include "univ.i" -#include "ut0mem.h" -#else -#include -#include -#include -#include - -#define ut_malloc malloc -#define ut_free free -#define ulint unsigned long -#define ut_a(c) assert(c) -#define ut_error assert(0) -#define ibool unsigned int -#define TRUE 1 -#define FALSE 0 -#endif - -/* Red black tree typedefs */ -typedef struct ib_rbt_struct ib_rbt_t; -typedef struct ib_rbt_node_struct ib_rbt_node_t; -// FIXME: Iterator is a better name than _bound_ -typedef struct ib_rbt_bound_struct ib_rbt_bound_t; -typedef void (*ib_rbt_print_node)(const ib_rbt_node_t* node); -typedef int (*ib_rbt_compare)(const void* p1, const void* p2); - -/* Red black tree color types */ -enum ib_rbt_color_enum { - IB_RBT_RED, - IB_RBT_BLACK -}; - -typedef enum ib_rbt_color_enum ib_rbt_color_t; - -/* Red black tree node */ -struct ib_rbt_node_struct { - ib_rbt_color_t color; /* color of this node */ - - ib_rbt_node_t* left; /* points left child */ - ib_rbt_node_t* right; /* points right child */ - ib_rbt_node_t* parent; /* points parent node */ - - char value[1]; /* Data value */ -}; - -/* Red black tree instance.*/ -struct ib_rbt_struct { - ib_rbt_node_t* nil; /* Black colored node that is - used as a sentinel. This is - pre-allocated too.*/ - - ib_rbt_node_t* root; /* Root of the tree, this is - pre-allocated and the first - data node is the left child.*/ - - ulint n_nodes; /* Total number of data nodes */ - - ib_rbt_compare compare; /* Fn. to use for comparison */ - ulint sizeof_value; /* Sizeof the item in bytes */ -}; - -/* The result of searching for a key in the tree, this is useful for -a speedy lookup and insert if key doesn't exist.*/ -struct ib_rbt_bound_struct { - const ib_rbt_node_t* - last; /* Last node visited */ - - int result; /* Result of comparing with - the last non-nil node that - was visited */ -}; - -/* Size in elements (t is an rb tree instance) */ -#define rbt_size(t) (t->n_nodes) - -/* Check whether the rb tree is empty (t is an rb tree instance) */ -#define rbt_empty(t) (rbt_size(t) == 0) - -/* Get data value (t is the data type, n is an rb tree node instance) */ -#define rbt_value(t, n) ((t*) &n->value[0]) - -/* Compare a key with the node value (t is tree, k is key, n is node)*/ -#define rbt_compare(t, k, n) (t->compare(k, n->value)) - -/************************************************************************ -Free an instance of a red black tree */ -UNIV_INTERN -void -rbt_free( -/*=====*/ - ib_rbt_t* tree); /*!< in: rb tree to free */ -/************************************************************************ -Create an instance of a red black tree -@return rb tree instance */ -UNIV_INTERN -ib_rbt_t* -rbt_create( -/*=======*/ - size_t sizeof_value, /*!< in: size in bytes */ - ib_rbt_compare compare); /*!< in: comparator */ -/************************************************************************ -Delete a node from the red black tree, identified by key */ -UNIV_INTERN -ibool -rbt_delete( -/*=======*/ - /* in: TRUE on success */ - ib_rbt_t* tree, /* in: rb tree */ - const void* key); /* in: key to delete */ -/************************************************************************ -Remove a node from the red black tree, NOTE: This function will not delete -the node instance, THAT IS THE CALLERS RESPONSIBILITY. -@return the deleted node with the const. */ -UNIV_INTERN -ib_rbt_node_t* -rbt_remove_node( -/*============*/ - ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* - node); /*!< in: node to delete, this - is a fudge and declared const - because the caller has access - only to const nodes.*/ -/************************************************************************ -Return a node from the red black tree, identified by -key, NULL if not found -@return node if found else return NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_lookup( -/*=======*/ - const ib_rbt_t* tree, /*!< in: rb tree to search */ - const void* key); /*!< in: key to lookup */ -/************************************************************************ -Add data to the red black tree, identified by key (no dups yet!) -@return inserted node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_insert( -/*=======*/ - ib_rbt_t* tree, /*!< in: rb tree */ - const void* key, /*!< in: key for ordering */ - const void* value); /*!< in: data that will be - copied to the node.*/ -/************************************************************************ -Add a new node to the tree, useful for data that is pre-sorted. -@return appended node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_add_node( -/*=========*/ - ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: parent */ - const void* value); /*!< in: this value is copied - to the node */ -/************************************************************************ -Return the left most data node in the tree -@return left most node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_first( -/*======*/ - const ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ -Return the right most data node in the tree -@return right most node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_last( -/*=====*/ - const ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ -Return the next node from current. -@return successor node to current that is passed in. */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_next( -/*=====*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* /* in: current node */ - current); -/************************************************************************ -Return the prev node from current. -@return precedessor node to current that is passed in */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_prev( -/*=====*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* /* in: current node */ - current); -/************************************************************************ -Find the node that has the lowest key that is >= key. -@return node that satisfies the lower bound constraint or NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_lower_bound( -/*============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const void* key); /*!< in: key to search */ -/************************************************************************ -Find the node that has the greatest key that is <= key. -@return node that satisifies the upper bound constraint or NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_upper_bound( -/*============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const void* key); /*!< in: key to search */ -/************************************************************************ -Search for the key, a node will be retuned in parent.last, whether it -was found or not. If not found then parent.last will contain the -parent node for the possibly new key otherwise the matching node. -@return result of last comparison */ -UNIV_INTERN -int -rbt_search( -/*=======*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: search bounds */ - const void* key); /*!< in: key to search */ -/************************************************************************ -Search for the key, a node will be retuned in parent.last, whether it -was found or not. If not found then parent.last will contain the -parent node for the possibly new key otherwise the matching node. -@return result of last comparison */ -UNIV_INTERN -int -rbt_search_cmp( -/*===========*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: search bounds */ - const void* key, /*!< in: key to search */ - ib_rbt_compare compare); /*!< in: comparator */ -/************************************************************************ -Clear the tree, deletes (and free's) all the nodes. */ -UNIV_INTERN -void -rbt_clear( -/*======*/ - ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ -Merge the node from dst into src. Return the number of nodes merged. -@return no. of recs merged */ -UNIV_INTERN -ulint -rbt_merge_uniq( -/*===========*/ - ib_rbt_t* dst, /*!< in: dst rb tree */ - const ib_rbt_t* src); /*!< in: src rb tree */ -/************************************************************************ -Merge the node from dst into src. Return the number of nodes merged. -Delete the nodes from src after copying node to dst. As a side effect -the duplicates will be left untouched in the src, since we don't support -duplicates (yet). NOTE: src and dst must be similar, the function doesn't -check for this condition (yet). -@return no. of recs merged */ -UNIV_INTERN -ulint -rbt_merge_uniq_destructive( -/*=======================*/ - ib_rbt_t* dst, /*!< in: dst rb tree */ - ib_rbt_t* src); /*!< in: src rb tree */ -/************************************************************************ -Verify the integrity of the RB tree. For debugging. 0 failure else height -of tree (in count of black nodes). -@return TRUE if OK FALSE if tree invalid. */ -UNIV_INTERN -ibool -rbt_validate( -/*=========*/ - const ib_rbt_t* tree); /*!< in: tree to validate */ -/************************************************************************ -Iterate over the tree in depth first order. */ -UNIV_INTERN -void -rbt_print( -/*======*/ - const ib_rbt_t* tree, /*!< in: tree to traverse */ - ib_rbt_print_node print); /*!< in: print function */ - -#endif /* INNOBASE_UT0RBT_H */ diff --git a/perfschema/include/ut0rnd.h b/perfschema/include/ut0rnd.h deleted file mode 100644 index ce5152e942f..00000000000 --- a/perfschema/include/ut0rnd.h +++ /dev/null @@ -1,143 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/ut0rnd.h -Random numbers and hashing - -Created 1/20/1994 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0rnd_h -#define ut0rnd_h - -#include "univ.i" - -#include "ut0byte.h" - -/** The 'character code' for end of field or string (used -in folding records */ -#define UT_END_OF_FIELD 257 - -/********************************************************//** -This is used to set the random number seed. */ -UNIV_INLINE -void -ut_rnd_set_seed( -/*============*/ - ulint seed); /*!< in: seed */ -/********************************************************//** -The following function generates a series of 'random' ulint integers. -@return the next 'random' number */ -UNIV_INLINE -ulint -ut_rnd_gen_next_ulint( -/*==================*/ - ulint rnd); /*!< in: the previous random number value */ -/*********************************************************//** -The following function generates 'random' ulint integers which -enumerate the value space (let there be N of them) of ulint integers -in a pseudo-random fashion. Note that the same integer is repeated -always after N calls to the generator. -@return the 'random' number */ -UNIV_INLINE -ulint -ut_rnd_gen_ulint(void); -/*==================*/ -/********************************************************//** -Generates a random integer from a given interval. -@return the 'random' number */ -UNIV_INLINE -ulint -ut_rnd_interval( -/*============*/ - ulint low, /*!< in: low limit; can generate also this value */ - ulint high); /*!< in: high limit; can generate also this value */ -/*********************************************************//** -Generates a random iboolean value. -@return the random value */ -UNIV_INLINE -ibool -ut_rnd_gen_ibool(void); -/*=================*/ -/*******************************************************//** -The following function generates a hash value for a ulint integer -to a hash table of size table_size, which should be a prime or some -random number to work reliably. -@return hash value */ -UNIV_INLINE -ulint -ut_hash_ulint( -/*==========*/ - ulint key, /*!< in: value to be hashed */ - ulint table_size); /*!< in: hash table size */ -/*************************************************************//** -Folds a pair of ulints. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_ulint_pair( -/*===============*/ - ulint n1, /*!< in: ulint */ - ulint n2) /*!< in: ulint */ - __attribute__((const)); -/*************************************************************//** -Folds a dulint. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_dulint( -/*===========*/ - dulint d) /*!< in: dulint */ - __attribute__((const)); -/*************************************************************//** -Folds a character string ending in the null character. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_string( -/*===========*/ - const char* str) /*!< in: null-terminated string */ - __attribute__((pure)); -/*************************************************************//** -Folds a binary string. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_binary( -/*===========*/ - const byte* str, /*!< in: string of bytes */ - ulint len) /*!< in: length */ - __attribute__((pure)); -/***********************************************************//** -Looks for a prime number slightly greater than the given argument. -The prime is chosen so that it is not near any power of 2. -@return prime */ -UNIV_INTERN -ulint -ut_find_prime( -/*==========*/ - ulint n) /*!< in: positive number > 100 */ - __attribute__((const)); - - -#ifndef UNIV_NONINL -#include "ut0rnd.ic" -#endif - -#endif diff --git a/perfschema/include/ut0rnd.ic b/perfschema/include/ut0rnd.ic deleted file mode 100644 index 763469142ec..00000000000 --- a/perfschema/include/ut0rnd.ic +++ /dev/null @@ -1,230 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************************//** -@file include/ut0rnd.ic -Random numbers and hashing - -Created 5/30/1994 Heikki Tuuri -*******************************************************************/ - -#define UT_HASH_RANDOM_MASK 1463735687 -#define UT_HASH_RANDOM_MASK2 1653893711 -#define UT_RND1 151117737 -#define UT_RND2 119785373 -#define UT_RND3 85689495 -#define UT_RND4 76595339 -#define UT_SUM_RND2 98781234 -#define UT_SUM_RND3 126792457 -#define UT_SUM_RND4 63498502 -#define UT_XOR_RND1 187678878 -#define UT_XOR_RND2 143537923 - -/** Seed value of ut_rnd_gen_ulint() */ -extern ulint ut_rnd_ulint_counter; - -/********************************************************//** -This is used to set the random number seed. */ -UNIV_INLINE -void -ut_rnd_set_seed( -/*============*/ - ulint seed) /*!< in: seed */ -{ - ut_rnd_ulint_counter = seed; -} - -/********************************************************//** -The following function generates a series of 'random' ulint integers. -@return the next 'random' number */ -UNIV_INLINE -ulint -ut_rnd_gen_next_ulint( -/*==================*/ - ulint rnd) /*!< in: the previous random number value */ -{ - ulint n_bits; - - n_bits = 8 * sizeof(ulint); - - rnd = UT_RND2 * rnd + UT_SUM_RND3; - rnd = UT_XOR_RND1 ^ rnd; - rnd = (rnd << 20) + (rnd >> (n_bits - 20)); - rnd = UT_RND3 * rnd + UT_SUM_RND4; - rnd = UT_XOR_RND2 ^ rnd; - rnd = (rnd << 20) + (rnd >> (n_bits - 20)); - rnd = UT_RND1 * rnd + UT_SUM_RND2; - - return(rnd); -} - -/********************************************************//** -The following function generates 'random' ulint integers which -enumerate the value space of ulint integers in a pseudo random -fashion. Note that the same integer is repeated always after -2 to power 32 calls to the generator (if ulint is 32-bit). -@return the 'random' number */ -UNIV_INLINE -ulint -ut_rnd_gen_ulint(void) -/*==================*/ -{ - ulint rnd; - ulint n_bits; - - n_bits = 8 * sizeof(ulint); - - ut_rnd_ulint_counter = UT_RND1 * ut_rnd_ulint_counter + UT_RND2; - - rnd = ut_rnd_gen_next_ulint(ut_rnd_ulint_counter); - - return(rnd); -} - -/********************************************************//** -Generates a random integer from a given interval. -@return the 'random' number */ -UNIV_INLINE -ulint -ut_rnd_interval( -/*============*/ - ulint low, /*!< in: low limit; can generate also this value */ - ulint high) /*!< in: high limit; can generate also this value */ -{ - ulint rnd; - - ut_ad(high >= low); - - if (low == high) { - - return(low); - } - - rnd = ut_rnd_gen_ulint(); - - return(low + (rnd % (high - low + 1))); -} - -/*********************************************************//** -Generates a random iboolean value. -@return the random value */ -UNIV_INLINE -ibool -ut_rnd_gen_ibool(void) -/*=================*/ -{ - ulint x; - - x = ut_rnd_gen_ulint(); - - if (((x >> 20) + (x >> 15)) & 1) { - - return(TRUE); - } - - return(FALSE); -} - -/*******************************************************//** -The following function generates a hash value for a ulint integer -to a hash table of size table_size, which should be a prime -or some random number for the hash table to work reliably. -@return hash value */ -UNIV_INLINE -ulint -ut_hash_ulint( -/*==========*/ - ulint key, /*!< in: value to be hashed */ - ulint table_size) /*!< in: hash table size */ -{ - key = key ^ UT_HASH_RANDOM_MASK2; - - return(key % table_size); -} - -/*************************************************************//** -Folds a pair of ulints. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_ulint_pair( -/*===============*/ - ulint n1, /*!< in: ulint */ - ulint n2) /*!< in: ulint */ -{ - return(((((n1 ^ n2 ^ UT_HASH_RANDOM_MASK2) << 8) + n1) - ^ UT_HASH_RANDOM_MASK) + n2); -} - -/*************************************************************//** -Folds a dulint. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_dulint( -/*===========*/ - dulint d) /*!< in: dulint */ -{ - return(ut_fold_ulint_pair(ut_dulint_get_low(d), - ut_dulint_get_high(d))); -} - -/*************************************************************//** -Folds a character string ending in the null character. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_string( -/*===========*/ - const char* str) /*!< in: null-terminated string */ -{ - ulint fold = 0; - - ut_ad(str); - - while (*str != '\0') { - fold = ut_fold_ulint_pair(fold, (ulint)(*str)); - str++; - } - - return(fold); -} - -/*************************************************************//** -Folds a binary string. -@return folded value */ -UNIV_INLINE -ulint -ut_fold_binary( -/*===========*/ - const byte* str, /*!< in: string of bytes */ - ulint len) /*!< in: length */ -{ - const byte* str_end = str + len; - ulint fold = 0; - - ut_ad(str || !len); - - while (str < str_end) { - fold = ut_fold_ulint_pair(fold, (ulint)(*str)); - - str++; - } - - return(fold); -} diff --git a/perfschema/include/ut0sort.h b/perfschema/include/ut0sort.h deleted file mode 100644 index 5c6647dda9e..00000000000 --- a/perfschema/include/ut0sort.h +++ /dev/null @@ -1,106 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/ut0sort.h -Sort utility - -Created 11/9/1995 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0sort_h -#define ut0sort_h - -#include "univ.i" - -/* This module gives a macro definition of the body of -a standard sort function for an array of elements of any -type. The comparison function is given as a parameter to -the macro. The sort algorithm is mergesort which has logarithmic -worst case. -*/ - -/*******************************************************************//** -This macro expands to the body of a standard sort function. -The sort function uses mergesort and must be defined separately -for each type of array. -Also the comparison function has to be defined individually -for each array cell type. SORT_FUN is the sort function name. -The function takes the array to be sorted (ARR), -the array of auxiliary space (AUX_ARR) of same size, -and the low (LOW), inclusive, and high (HIGH), noninclusive, -limits for the sort interval as arguments. -CMP_FUN is the comparison function name. It takes as arguments -two elements from the array and returns 1, if the first is bigger, -0 if equal, and -1 if the second bigger. */ - -#define UT_SORT_FUNCTION_BODY(SORT_FUN, ARR, AUX_ARR, LOW, HIGH, CMP_FUN)\ -{\ - ulint ut_sort_mid77;\ - ulint ut_sort_i77;\ - ulint ut_sort_low77;\ - ulint ut_sort_high77;\ -\ - ut_ad((LOW) < (HIGH));\ - ut_ad(ARR);\ - ut_ad(AUX_ARR);\ -\ - if ((LOW) == (HIGH) - 1) {\ - return;\ - } else if ((LOW) == (HIGH) - 2) {\ - if (CMP_FUN((ARR)[LOW], (ARR)[(HIGH) - 1]) > 0) {\ - (AUX_ARR)[LOW] = (ARR)[LOW];\ - (ARR)[LOW] = (ARR)[(HIGH) - 1];\ - (ARR)[(HIGH) - 1] = (AUX_ARR)[LOW];\ - }\ - return;\ - }\ -\ - ut_sort_mid77 = ((LOW) + (HIGH)) / 2;\ -\ - SORT_FUN((ARR), (AUX_ARR), (LOW), ut_sort_mid77);\ - SORT_FUN((ARR), (AUX_ARR), ut_sort_mid77, (HIGH));\ -\ - ut_sort_low77 = (LOW);\ - ut_sort_high77 = ut_sort_mid77;\ -\ - for (ut_sort_i77 = (LOW); ut_sort_i77 < (HIGH); ut_sort_i77++) {\ -\ - if (ut_sort_low77 >= ut_sort_mid77) {\ - (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_high77];\ - ut_sort_high77++;\ - } else if (ut_sort_high77 >= (HIGH)) {\ - (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_low77];\ - ut_sort_low77++;\ - } else if (CMP_FUN((ARR)[ut_sort_low77],\ - (ARR)[ut_sort_high77]) > 0) {\ - (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_high77];\ - ut_sort_high77++;\ - } else {\ - (AUX_ARR)[ut_sort_i77] = (ARR)[ut_sort_low77];\ - ut_sort_low77++;\ - }\ - }\ -\ - memcpy((void*) ((ARR) + (LOW)), (AUX_ARR) + (LOW),\ - ((HIGH) - (LOW)) * sizeof *(ARR));\ -}\ - - -#endif - diff --git a/perfschema/include/ut0ut.h b/perfschema/include/ut0ut.h deleted file mode 100644 index 197b8401428..00000000000 --- a/perfschema/include/ut0ut.h +++ /dev/null @@ -1,403 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Sun Microsystems, Inc. - -Portions of this file contain modifications contributed and copyrighted by -Sun Microsystems, Inc. Those modifications are gratefully acknowledged and -are described briefly in the InnoDB documentation. The contributions by -Sun Microsystems are incorporated with their permission, and subject to the -conditions contained in the file COPYING.Sun_Microsystems. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/ut0ut.h -Various utilities - -Created 1/20/1994 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0ut_h -#define ut0ut_h - -#include "univ.i" - -#ifndef UNIV_HOTBACKUP -# include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ -#endif /* UNIV_HOTBACKUP */ - -#include -#ifndef MYSQL_SERVER -#include -#endif - -/** Index name prefix in fast index creation */ -#define TEMP_INDEX_PREFIX '\377' -/** Index name prefix in fast index creation, as a string constant */ -#define TEMP_INDEX_PREFIX_STR "\377" - -/** Time stamp */ -typedef time_t ib_time_t; - -#ifndef UNIV_HOTBACKUP -#if defined(HAVE_IB_PAUSE_INSTRUCTION) -# ifdef WIN32 - /* In the Win32 API, the x86 PAUSE instruction is executed by calling - the YieldProcessor macro defined in WinNT.h. It is a CPU architecture- - independent way by using YieldProcessor.*/ -# define UT_RELAX_CPU() YieldProcessor() -# else - /* According to the gcc info page, asm volatile means that the - instruction has important side-effects and must not be removed. - Also asm volatile may trigger a memory barrier (spilling all registers - to memory). */ -# define UT_RELAX_CPU() __asm__ __volatile__ ("pause") -# endif -#elif defined(HAVE_ATOMIC_BUILTINS) -# define UT_RELAX_CPU() do { \ - volatile lint volatile_var; \ - os_compare_and_swap_lint(&volatile_var, 0, 1); \ - } while (0) -#else -# define UT_RELAX_CPU() ((void)0) /* avoid warning for an empty statement */ -#endif - -/*********************************************************************//** -Delays execution for at most max_wait_us microseconds or returns earlier -if cond becomes true. -@param cond in: condition to wait for; evaluated every 2 ms -@param max_wait_us in: maximum delay to wait, in microseconds */ -#define UT_WAIT_FOR(cond, max_wait_us) \ -do { \ - ullint start_us; \ - start_us = ut_time_us(NULL); \ - while (!(cond) \ - && ut_time_us(NULL) - start_us < (max_wait_us)) {\ - \ - os_thread_sleep(2000 /* 2 ms */); \ - } \ -} while (0) -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Gets the high 32 bits in a ulint. That is makes a shift >> 32, -but since there seem to be compiler bugs in both gcc and Visual C++, -we do this by a special conversion. -@return a >> 32 */ -UNIV_INTERN -ulint -ut_get_high32( -/*==========*/ - ulint a); /*!< in: ulint */ -/******************************************************//** -Calculates the minimum of two ulints. -@return minimum */ -UNIV_INLINE -ulint -ut_min( -/*===*/ - ulint n1, /*!< in: first number */ - ulint n2); /*!< in: second number */ -/******************************************************//** -Calculates the maximum of two ulints. -@return maximum */ -UNIV_INLINE -ulint -ut_max( -/*===*/ - ulint n1, /*!< in: first number */ - ulint n2); /*!< in: second number */ -/****************************************************************//** -Calculates minimum of two ulint-pairs. */ -UNIV_INLINE -void -ut_pair_min( -/*========*/ - ulint* a, /*!< out: more significant part of minimum */ - ulint* b, /*!< out: less significant part of minimum */ - ulint a1, /*!< in: more significant part of first pair */ - ulint b1, /*!< in: less significant part of first pair */ - ulint a2, /*!< in: more significant part of second pair */ - ulint b2); /*!< in: less significant part of second pair */ -/******************************************************//** -Compares two ulints. -@return 1 if a > b, 0 if a == b, -1 if a < b */ -UNIV_INLINE -int -ut_ulint_cmp( -/*=========*/ - ulint a, /*!< in: ulint */ - ulint b); /*!< in: ulint */ -/*******************************************************//** -Compares two pairs of ulints. -@return -1 if a < b, 0 if a == b, 1 if a > b */ -UNIV_INLINE -int -ut_pair_cmp( -/*========*/ - ulint a1, /*!< in: more significant part of first pair */ - ulint a2, /*!< in: less significant part of first pair */ - ulint b1, /*!< in: more significant part of second pair */ - ulint b2); /*!< in: less significant part of second pair */ -/*************************************************************//** -Determines if a number is zero or a power of two. -@param n in: number -@return nonzero if n is zero or a power of two; zero otherwise */ -#define ut_is_2pow(n) UNIV_LIKELY(!((n) & ((n) - 1))) -/*************************************************************//** -Calculates fast the remainder of n/m when m is a power of two. -@param n in: numerator -@param m in: denominator, must be a power of two -@return the remainder of n/m */ -#define ut_2pow_remainder(n, m) ((n) & ((m) - 1)) -/*************************************************************//** -Calculates the biggest multiple of m that is not bigger than n -when m is a power of two. In other words, rounds n down to m * k. -@param n in: number to round down -@param m in: alignment, must be a power of two -@return n rounded down to the biggest possible integer multiple of m */ -#define ut_2pow_round(n, m) ((n) & ~((m) - 1)) -/** Align a number down to a multiple of a power of two. -@param n in: number to round down -@param m in: alignment, must be a power of two -@return n rounded down to the biggest possible integer multiple of m */ -#define ut_calc_align_down(n, m) ut_2pow_round(n, m) -/********************************************************//** -Calculates the smallest multiple of m that is not smaller than n -when m is a power of two. In other words, rounds n up to m * k. -@param n in: number to round up -@param m in: alignment, must be a power of two -@return n rounded up to the smallest possible integer multiple of m */ -#define ut_calc_align(n, m) (((n) + ((m) - 1)) & ~((m) - 1)) -/*************************************************************//** -Calculates fast the 2-logarithm of a number, rounded upward to an -integer. -@return logarithm in the base 2, rounded upward */ -UNIV_INLINE -ulint -ut_2_log( -/*=====*/ - ulint n); /*!< in: number */ -/*************************************************************//** -Calculates 2 to power n. -@return 2 to power n */ -UNIV_INLINE -ulint -ut_2_exp( -/*=====*/ - ulint n); /*!< in: number */ -/*************************************************************//** -Calculates fast the number rounded up to the nearest power of 2. -@return first power of 2 which is >= n */ -UNIV_INTERN -ulint -ut_2_power_up( -/*==========*/ - ulint n) /*!< in: number != 0 */ - __attribute__((const)); - -/** Determine how many bytes (groups of 8 bits) are needed to -store the given number of bits. -@param b in: bits -@return number of bytes (octets) needed to represent b */ -#define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) - -/**********************************************************//** -Returns system time. We do not specify the format of the time returned: -the only way to manipulate it is to use the function ut_difftime. -@return system time */ -UNIV_INTERN -ib_time_t -ut_time(void); -/*=========*/ -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Returns system time. -Upon successful completion, the value 0 is returned; otherwise the -value -1 is returned and the global variable errno is set to indicate the -error. -@return 0 on success, -1 otherwise */ -UNIV_INTERN -int -ut_usectime( -/*========*/ - ulint* sec, /*!< out: seconds since the Epoch */ - ulint* ms); /*!< out: microseconds since the Epoch+*sec */ - -/**********************************************************//** -Returns the number of microseconds since epoch. Similar to -time(3), the return value is also stored in *tloc, provided -that tloc is non-NULL. -@return us since epoch */ -UNIV_INTERN -ullint -ut_time_us( -/*=======*/ - ullint* tloc); /*!< out: us since epoch, if non-NULL */ -/**********************************************************//** -Returns the number of milliseconds since some epoch. The -value may wrap around. It should only be used for heuristic -purposes. -@return ms since epoch */ -UNIV_INTERN -ulint -ut_time_ms(void); -/*============*/ -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************//** -Returns the difference of two times in seconds. -@return time2 - time1 expressed in seconds */ -UNIV_INTERN -double -ut_difftime( -/*========*/ - ib_time_t time2, /*!< in: time */ - ib_time_t time1); /*!< in: time */ -/**********************************************************//** -Prints a timestamp to a file. */ -UNIV_INTERN -void -ut_print_timestamp( -/*===============*/ - FILE* file); /*!< in: file where to print */ -/**********************************************************//** -Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ -UNIV_INTERN -void -ut_sprintf_timestamp( -/*=================*/ - char* buf); /*!< in: buffer where to sprintf */ -#ifdef UNIV_HOTBACKUP -/**********************************************************//** -Sprintfs a timestamp to a buffer with no spaces and with ':' characters -replaced by '_'. */ -UNIV_INTERN -void -ut_sprintf_timestamp_without_extra_chars( -/*=====================================*/ - char* buf); /*!< in: buffer where to sprintf */ -/**********************************************************//** -Returns current year, month, day. */ -UNIV_INTERN -void -ut_get_year_month_day( -/*==================*/ - ulint* year, /*!< out: current year */ - ulint* month, /*!< out: month */ - ulint* day); /*!< out: day */ -#else /* UNIV_HOTBACKUP */ -/*************************************************************//** -Runs an idle loop on CPU. The argument gives the desired delay -in microseconds on 100 MHz Pentium + Visual C++. -@return dummy value */ -UNIV_INTERN -ulint -ut_delay( -/*=====*/ - ulint delay); /*!< in: delay in microseconds on 100 MHz Pentium */ -#endif /* UNIV_HOTBACKUP */ -/*************************************************************//** -Prints the contents of a memory buffer in hex and ascii. */ -UNIV_INTERN -void -ut_print_buf( -/*=========*/ - FILE* file, /*!< in: file where to print */ - const void* buf, /*!< in: memory buffer */ - ulint len); /*!< in: length of the buffer */ - -/**********************************************************************//** -Outputs a NUL-terminated file name, quoted with apostrophes. */ -UNIV_INTERN -void -ut_print_filename( -/*==============*/ - FILE* f, /*!< in: output stream */ - const char* name); /*!< in: name to print */ - -#ifndef UNIV_HOTBACKUP -/* Forward declaration of transaction handle */ -struct trx_struct; - -/**********************************************************************//** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ -UNIV_INTERN -void -ut_print_name( -/*==========*/ - FILE* f, /*!< in: output stream */ - struct trx_struct*trx, /*!< in: transaction */ - ibool table_id,/*!< in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name); /*!< in: name to print */ - -/**********************************************************************//** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ -UNIV_INTERN -void -ut_print_namel( -/*===========*/ - FILE* f, /*!< in: output stream */ - struct trx_struct*trx, /*!< in: transaction (NULL=no quotes) */ - ibool table_id,/*!< in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name, /*!< in: name to print */ - ulint namelen);/*!< in: length of name */ - -/**********************************************************************//** -Catenate files. */ -UNIV_INTERN -void -ut_copy_file( -/*=========*/ - FILE* dest, /*!< in: output file */ - FILE* src); /*!< in: input file to be appended to output */ -#endif /* !UNIV_HOTBACKUP */ - -#ifdef __WIN__ -/**********************************************************************//** -A substitute for snprintf(3), formatted output conversion into -a limited buffer. -@return number of characters that would have been printed if the size -were unlimited, not including the terminating '\0'. */ -UNIV_INTERN -int -ut_snprintf( -/*========*/ - char* str, /*!< out: string */ - size_t size, /*!< in: str size */ - const char* fmt, /*!< in: format */ - ...); /*!< in: format values */ -#else -/**********************************************************************//** -A wrapper for snprintf(3), formatted output conversion into -a limited buffer. */ -# define ut_snprintf snprintf -#endif /* __WIN__ */ - -#ifndef UNIV_NONINL -#include "ut0ut.ic" -#endif - -#endif - diff --git a/perfschema/include/ut0ut.ic b/perfschema/include/ut0ut.ic deleted file mode 100644 index 6f55c7e410e..00000000000 --- a/perfschema/include/ut0ut.ic +++ /dev/null @@ -1,162 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************************//** -@file include/ut0ut.ic -Various utilities - -Created 5/30/1994 Heikki Tuuri -*******************************************************************/ - -/******************************************************//** -Calculates the minimum of two ulints. -@return minimum */ -UNIV_INLINE -ulint -ut_min( -/*===*/ - ulint n1, /*!< in: first number */ - ulint n2) /*!< in: second number */ -{ - return((n1 <= n2) ? n1 : n2); -} - -/******************************************************//** -Calculates the maximum of two ulints. -@return maximum */ -UNIV_INLINE -ulint -ut_max( -/*===*/ - ulint n1, /*!< in: first number */ - ulint n2) /*!< in: second number */ -{ - return((n1 <= n2) ? n2 : n1); -} - -/****************************************************************//** -Calculates minimum of two ulint-pairs. */ -UNIV_INLINE -void -ut_pair_min( -/*========*/ - ulint* a, /*!< out: more significant part of minimum */ - ulint* b, /*!< out: less significant part of minimum */ - ulint a1, /*!< in: more significant part of first pair */ - ulint b1, /*!< in: less significant part of first pair */ - ulint a2, /*!< in: more significant part of second pair */ - ulint b2) /*!< in: less significant part of second pair */ -{ - if (a1 == a2) { - *a = a1; - *b = ut_min(b1, b2); - } else if (a1 < a2) { - *a = a1; - *b = b1; - } else { - *a = a2; - *b = b2; - } -} - -/******************************************************//** -Compares two ulints. -@return 1 if a > b, 0 if a == b, -1 if a < b */ -UNIV_INLINE -int -ut_ulint_cmp( -/*=========*/ - ulint a, /*!< in: ulint */ - ulint b) /*!< in: ulint */ -{ - if (a < b) { - return(-1); - } else if (a == b) { - return(0); - } else { - return(1); - } -} - -/*******************************************************//** -Compares two pairs of ulints. -@return -1 if a < b, 0 if a == b, 1 if a > b */ -UNIV_INLINE -int -ut_pair_cmp( -/*========*/ - ulint a1, /*!< in: more significant part of first pair */ - ulint a2, /*!< in: less significant part of first pair */ - ulint b1, /*!< in: more significant part of second pair */ - ulint b2) /*!< in: less significant part of second pair */ -{ - if (a1 > b1) { - return(1); - } else if (a1 < b1) { - return(-1); - } else if (a2 > b2) { - return(1); - } else if (a2 < b2) { - return(-1); - } else { - return(0); - } -} - -/*************************************************************//** -Calculates fast the 2-logarithm of a number, rounded upward to an -integer. -@return logarithm in the base 2, rounded upward */ -UNIV_INLINE -ulint -ut_2_log( -/*=====*/ - ulint n) /*!< in: number != 0 */ -{ - ulint res; - - res = 0; - - ut_ad(n > 0); - - n = n - 1; - - for (;;) { - n = n / 2; - - if (n == 0) { - break; - } - - res++; - } - - return(res + 1); -} - -/*************************************************************//** -Calculates 2 to power n. -@return 2 to power n */ -UNIV_INLINE -ulint -ut_2_exp( -/*=====*/ - ulint n) /*!< in: number */ -{ - return((ulint) 1 << n); -} diff --git a/perfschema/include/ut0vec.h b/perfschema/include/ut0vec.h deleted file mode 100644 index a770f671cfc..00000000000 --- a/perfschema/include/ut0vec.h +++ /dev/null @@ -1,125 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0vec.h -A vector of pointers to data items - -Created 4/6/2006 Osku Salerma -************************************************************************/ - -#ifndef IB_VECTOR_H -#define IB_VECTOR_H - -#include "univ.i" -#include "mem0mem.h" - -/** An automatically resizing vector data type. */ -typedef struct ib_vector_struct ib_vector_t; - -/* An automatically resizing vector datatype with the following properties: - - -Contains void* items. - - -The items are owned by the caller. - - -All memory allocation is done through a heap owned by the caller, who is - responsible for freeing it when done with the vector. - - -When the vector is resized, the old memory area is left allocated since it - uses the same heap as the new memory area, so this is best used for - relatively small or short-lived uses. -*/ - -/****************************************************************//** -Create a new vector with the given initial size. -@return vector */ -UNIV_INTERN -ib_vector_t* -ib_vector_create( -/*=============*/ - mem_heap_t* heap, /*!< in: heap */ - ulint size); /*!< in: initial size */ - -/****************************************************************//** -Push a new element to the vector, increasing its size if necessary. */ -UNIV_INTERN -void -ib_vector_push( -/*===========*/ - ib_vector_t* vec, /*!< in: vector */ - void* elem); /*!< in: data element */ - -/****************************************************************//** -Get the number of elements in the vector. -@return number of elements in vector */ -UNIV_INLINE -ulint -ib_vector_size( -/*===========*/ - const ib_vector_t* vec); /*!< in: vector */ - -/****************************************************************//** -Test whether a vector is empty or not. -@return TRUE if empty */ -UNIV_INLINE -ibool -ib_vector_is_empty( -/*===============*/ - const ib_vector_t* vec); /*!< in: vector */ - -/****************************************************************//** -Get the n'th element. -@return n'th element */ -UNIV_INLINE -void* -ib_vector_get( -/*==========*/ - ib_vector_t* vec, /*!< in: vector */ - ulint n); /*!< in: element index to get */ - -/****************************************************************//** -Remove the last element from the vector. */ -UNIV_INLINE -void* -ib_vector_pop( -/*==========*/ - ib_vector_t* vec); /*!< in: vector */ - -/****************************************************************//** -Free the underlying heap of the vector. Note that vec is invalid -after this call. */ -UNIV_INLINE -void -ib_vector_free( -/*===========*/ - ib_vector_t* vec); /*!< in,own: vector */ - -/** An automatically resizing vector data type. */ -struct ib_vector_struct { - mem_heap_t* heap; /*!< heap */ - void** data; /*!< data elements */ - ulint used; /*!< number of elements currently used */ - ulint total; /*!< number of elements allocated */ -}; - -#ifndef UNIV_NONINL -#include "ut0vec.ic" -#endif - -#endif diff --git a/perfschema/include/ut0vec.ic b/perfschema/include/ut0vec.ic deleted file mode 100644 index 02e881f9bca..00000000000 --- a/perfschema/include/ut0vec.ic +++ /dev/null @@ -1,96 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0vec.ic -A vector of pointers to data items - -Created 4/6/2006 Osku Salerma -************************************************************************/ - -/****************************************************************//** -Get number of elements in vector. -@return number of elements in vector */ -UNIV_INLINE -ulint -ib_vector_size( -/*===========*/ - const ib_vector_t* vec) /*!< in: vector */ -{ - return(vec->used); -} - -/****************************************************************//** -Get n'th element. -@return n'th element */ -UNIV_INLINE -void* -ib_vector_get( -/*==========*/ - ib_vector_t* vec, /*!< in: vector */ - ulint n) /*!< in: element index to get */ -{ - ut_a(n < vec->used); - - return(vec->data[n]); -} - -/****************************************************************//** -Remove the last element from the vector. -@return last vector element */ -UNIV_INLINE -void* -ib_vector_pop( -/*==========*/ - ib_vector_t* vec) /*!< in/out: vector */ -{ - void* elem; - - ut_a(vec->used > 0); - --vec->used; - elem = vec->data[vec->used]; - - ut_d(vec->data[vec->used] = NULL); - UNIV_MEM_INVALID(&vec->data[vec->used], sizeof(*vec->data)); - - return(elem); -} - -/****************************************************************//** -Free the underlying heap of the vector. Note that vec is invalid -after this call. */ -UNIV_INLINE -void -ib_vector_free( -/*===========*/ - ib_vector_t* vec) /*!< in, own: vector */ -{ - mem_heap_free(vec->heap); -} - -/****************************************************************//** -Test whether a vector is empty or not. -@return TRUE if empty */ -UNIV_INLINE -ibool -ib_vector_is_empty( -/*===============*/ - const ib_vector_t* vec) /*!< in: vector */ -{ - return(ib_vector_size(vec) == 0); -} diff --git a/perfschema/include/ut0wqueue.h b/perfschema/include/ut0wqueue.h deleted file mode 100644 index 2ec0f16ab05..00000000000 --- a/perfschema/include/ut0wqueue.h +++ /dev/null @@ -1,85 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file include/ut0wqueue.h -A work queue - -Created 4/26/2006 Osku Salerma -************************************************************************/ - -/*******************************************************************//** -A Work queue. Threads can add work items to the queue and other threads can -wait for work items to be available and take them off the queue for -processing. -************************************************************************/ - -#ifndef IB_WORK_QUEUE_H -#define IB_WORK_QUEUE_H - -#include "ut0list.h" -#include "mem0mem.h" -#include "os0sync.h" -#include "sync0types.h" - -typedef struct ib_wqueue_struct ib_wqueue_t; - -/****************************************************************//** -Create a new work queue. -@return work queue */ -UNIV_INTERN -ib_wqueue_t* -ib_wqueue_create(void); -/*===================*/ - -/****************************************************************//** -Free a work queue. */ -UNIV_INTERN -void -ib_wqueue_free( -/*===========*/ - ib_wqueue_t* wq); /*!< in: work queue */ - -/****************************************************************//** -Add a work item to the queue. */ -UNIV_INTERN -void -ib_wqueue_add( -/*==========*/ - ib_wqueue_t* wq, /*!< in: work queue */ - void* item, /*!< in: work item */ - mem_heap_t* heap); /*!< in: memory heap to use for allocating the - list node */ - -/****************************************************************//** -Wait for a work item to appear in the queue. -@return work item */ -UNIV_INTERN -void* -ib_wqueue_wait( -/*===========*/ - ib_wqueue_t* wq); /*!< in: work queue */ - -/* Work queue. */ -struct ib_wqueue_struct { - mutex_t mutex; /*!< mutex protecting everything */ - ib_list_t* items; /*!< work item list */ - os_event_t event; /*!< event we use to signal additions to list */ -}; - -#endif diff --git a/perfschema/lock/lock0iter.c b/perfschema/lock/lock0iter.c deleted file mode 100644 index 51d1802ccde..00000000000 --- a/perfschema/lock/lock0iter.c +++ /dev/null @@ -1,114 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file lock/lock0iter.c -Lock queue iterator. Can iterate over table and record -lock queues. - -Created July 16, 2007 Vasil Dimov -*******************************************************/ - -#define LOCK_MODULE_IMPLEMENTATION - -#include "univ.i" -#include "lock0iter.h" -#include "lock0lock.h" -#include "lock0priv.h" -#include "ut0dbg.h" -#include "ut0lst.h" -#ifdef UNIV_DEBUG -# include "srv0srv.h" /* kernel_mutex */ -#endif /* UNIV_DEBUG */ - -/*******************************************************************//** -Initialize lock queue iterator so that it starts to iterate from -"lock". bit_no specifies the record number within the heap where the -record is stored. It can be undefined (ULINT_UNDEFINED) in two cases: -1. If the lock is a table lock, thus we have a table lock queue; -2. If the lock is a record lock and it is a wait lock. In this case - bit_no is calculated in this function by using - lock_rec_find_set_bit(). There is exactly one bit set in the bitmap - of a wait lock. */ -UNIV_INTERN -void -lock_queue_iterator_reset( -/*======================*/ - lock_queue_iterator_t* iter, /*!< out: iterator */ - const lock_t* lock, /*!< in: lock to start from */ - ulint bit_no) /*!< in: record number in the - heap */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - iter->current_lock = lock; - - if (bit_no != ULINT_UNDEFINED) { - - iter->bit_no = bit_no; - } else { - - switch (lock_get_type_low(lock)) { - case LOCK_TABLE: - iter->bit_no = ULINT_UNDEFINED; - break; - case LOCK_REC: - iter->bit_no = lock_rec_find_set_bit(lock); - ut_a(iter->bit_no != ULINT_UNDEFINED); - break; - default: - ut_error; - } - } -} - -/*******************************************************************//** -Gets the previous lock in the lock queue, returns NULL if there are no -more locks (i.e. the current lock is the first one). The iterator is -receded (if not-NULL is returned). -@return previous lock or NULL */ -UNIV_INTERN -const lock_t* -lock_queue_iterator_get_prev( -/*=========================*/ - lock_queue_iterator_t* iter) /*!< in/out: iterator */ -{ - const lock_t* prev_lock; - - ut_ad(mutex_own(&kernel_mutex)); - - switch (lock_get_type_low(iter->current_lock)) { - case LOCK_REC: - prev_lock = lock_rec_get_prev( - iter->current_lock, iter->bit_no); - break; - case LOCK_TABLE: - prev_lock = UT_LIST_GET_PREV( - un_member.tab_lock.locks, iter->current_lock); - break; - default: - ut_error; - } - - if (prev_lock != NULL) { - - iter->current_lock = prev_lock; - } - - return(prev_lock); -} diff --git a/perfschema/lock/lock0lock.c b/perfschema/lock/lock0lock.c deleted file mode 100644 index d5fff572aee..00000000000 --- a/perfschema/lock/lock0lock.c +++ /dev/null @@ -1,5713 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file lock/lock0lock.c -The transaction lock system - -Created 5/7/1996 Heikki Tuuri -*******************************************************/ - -#define LOCK_MODULE_IMPLEMENTATION - -#include "lock0lock.h" -#include "lock0priv.h" - -#ifdef UNIV_NONINL -#include "lock0lock.ic" -#include "lock0priv.ic" -#endif - -#include "ha_prototypes.h" -#include "usr0sess.h" -#include "trx0purge.h" -#include "dict0mem.h" -#include "trx0sys.h" - -/* Restricts the length of search we will do in the waits-for -graph of transactions */ -#define LOCK_MAX_N_STEPS_IN_DEADLOCK_CHECK 1000000 - -/* Restricts the recursion depth of the search we will do in the waits-for -graph of transactions */ -#define LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK 200 - -/* When releasing transaction locks, this specifies how often we release -the kernel mutex for a moment to give also others access to it */ - -#define LOCK_RELEASE_KERNEL_INTERVAL 1000 - -/* Safety margin when creating a new record lock: this many extra records -can be inserted to the page without need to create a lock with a bigger -bitmap */ - -#define LOCK_PAGE_BITMAP_MARGIN 64 - -/* An explicit record lock affects both the record and the gap before it. -An implicit x-lock does not affect the gap, it only locks the index -record from read or update. - -If a transaction has modified or inserted an index record, then -it owns an implicit x-lock on the record. On a secondary index record, -a transaction has an implicit x-lock also if it has modified the -clustered index record, the max trx id of the page where the secondary -index record resides is >= trx id of the transaction (or database recovery -is running), and there are no explicit non-gap lock requests on the -secondary index record. - -This complicated definition for a secondary index comes from the -implementation: we want to be able to determine if a secondary index -record has an implicit x-lock, just by looking at the present clustered -index record, not at the historical versions of the record. The -complicated definition can be explained to the user so that there is -nondeterminism in the access path when a query is answered: we may, -or may not, access the clustered index record and thus may, or may not, -bump into an x-lock set there. - -Different transaction can have conflicting locks set on the gap at the -same time. The locks on the gap are purely inhibitive: an insert cannot -be made, or a select cursor may have to wait if a different transaction -has a conflicting lock on the gap. An x-lock on the gap does not give -the right to insert into the gap. - -An explicit lock can be placed on a user record or the supremum record of -a page. The locks on the supremum record are always thought to be of the gap -type, though the gap bit is not set. When we perform an update of a record -where the size of the record changes, we may temporarily store its explicit -locks on the infimum record of the page, though the infimum otherwise never -carries locks. - -A waiting record lock can also be of the gap type. A waiting lock request -can be granted when there is no conflicting mode lock request by another -transaction ahead of it in the explicit lock queue. - -In version 4.0.5 we added yet another explicit lock type: LOCK_REC_NOT_GAP. -It only locks the record it is placed on, not the gap before the record. -This lock type is necessary to emulate an Oracle-like READ COMMITTED isolation -level. - -------------------------------------------------------------------------- -RULE 1: If there is an implicit x-lock on a record, and there are non-gap -------- -lock requests waiting in the queue, then the transaction holding the implicit -x-lock also has an explicit non-gap record x-lock. Therefore, as locks are -released, we can grant locks to waiting lock requests purely by looking at -the explicit lock requests in the queue. - -RULE 3: Different transactions cannot have conflicting granted non-gap locks -------- -on a record at the same time. However, they can have conflicting granted gap -locks. -RULE 4: If a there is a waiting lock request in a queue, no lock request, -------- -gap or not, can be inserted ahead of it in the queue. In record deletes -and page splits new gap type locks can be created by the database manager -for a transaction, and without rule 4, the waits-for graph of transactions -might become cyclic without the database noticing it, as the deadlock check -is only performed when a transaction itself requests a lock! -------------------------------------------------------------------------- - -An insert is allowed to a gap if there are no explicit lock requests by -other transactions on the next record. It does not matter if these lock -requests are granted or waiting, gap bit set or not, with the exception -that a gap type request set by another transaction to wait for -its turn to do an insert is ignored. On the other hand, an -implicit x-lock by another transaction does not prevent an insert, which -allows for more concurrency when using an Oracle-style sequence number -generator for the primary key with many transactions doing inserts -concurrently. - -A modify of a record is allowed if the transaction has an x-lock on the -record, or if other transactions do not have any non-gap lock requests on the -record. - -A read of a single user record with a cursor is allowed if the transaction -has a non-gap explicit, or an implicit lock on the record, or if the other -transactions have no x-lock requests on the record. At a page supremum a -read is always allowed. - -In summary, an implicit lock is seen as a granted x-lock only on the -record, not on the gap. An explicit lock with no gap bit set is a lock -both on the record and the gap. If the gap bit is set, the lock is only -on the gap. Different transaction cannot own conflicting locks on the -record at the same time, but they may own conflicting locks on the gap. -Granted locks on a record give an access right to the record, but gap type -locks just inhibit operations. - -NOTE: Finding out if some transaction has an implicit x-lock on a secondary -index record can be cumbersome. We may have to look at previous versions of -the corresponding clustered index record to find out if a delete marked -secondary index record was delete marked by an active transaction, not by -a committed one. - -FACT A: If a transaction has inserted a row, it can delete it any time -without need to wait for locks. - -PROOF: The transaction has an implicit x-lock on every index record inserted -for the row, and can thus modify each record without the need to wait. Q.E.D. - -FACT B: If a transaction has read some result set with a cursor, it can read -it again, and retrieves the same result set, if it has not modified the -result set in the meantime. Hence, there is no phantom problem. If the -biggest record, in the alphabetical order, touched by the cursor is removed, -a lock wait may occur, otherwise not. - -PROOF: When a read cursor proceeds, it sets an s-lock on each user record -it passes, and a gap type s-lock on each page supremum. The cursor must -wait until it has these locks granted. Then no other transaction can -have a granted x-lock on any of the user records, and therefore cannot -modify the user records. Neither can any other transaction insert into -the gaps which were passed over by the cursor. Page splits and merges, -and removal of obsolete versions of records do not affect this, because -when a user record or a page supremum is removed, the next record inherits -its locks as gap type locks, and therefore blocks inserts to the same gap. -Also, if a page supremum is inserted, it inherits its locks from the successor -record. When the cursor is positioned again at the start of the result set, -the records it will touch on its course are either records it touched -during the last pass or new inserted page supremums. It can immediately -access all these records, and when it arrives at the biggest record, it -notices that the result set is complete. If the biggest record was removed, -lock wait can occur because the next record only inherits a gap type lock, -and a wait may be needed. Q.E.D. */ - -/* If an index record should be changed or a new inserted, we must check -the lock on the record or the next. When a read cursor starts reading, -we will set a record level s-lock on each record it passes, except on the -initial record on which the cursor is positioned before we start to fetch -records. Our index tree search has the convention that the B-tree -cursor is positioned BEFORE the first possibly matching record in -the search. Optimizations are possible here: if the record is searched -on an equality condition to a unique key, we could actually set a special -lock on the record, a lock which would not prevent any insert before -this record. In the next key locking an x-lock set on a record also -prevents inserts just before that record. - There are special infimum and supremum records on each page. -A supremum record can be locked by a read cursor. This records cannot be -updated but the lock prevents insert of a user record to the end of -the page. - Next key locks will prevent the phantom problem where new rows -could appear to SELECT result sets after the select operation has been -performed. Prevention of phantoms ensures the serilizability of -transactions. - What should we check if an insert of a new record is wanted? -Only the lock on the next record on the same page, because also the -supremum record can carry a lock. An s-lock prevents insertion, but -what about an x-lock? If it was set by a searched update, then there -is implicitly an s-lock, too, and the insert should be prevented. -What if our transaction owns an x-lock to the next record, but there is -a waiting s-lock request on the next record? If this s-lock was placed -by a read cursor moving in the ascending order in the index, we cannot -do the insert immediately, because when we finally commit our transaction, -the read cursor should see also the new inserted record. So we should -move the read cursor backward from the next record for it to pass over -the new inserted record. This move backward may be too cumbersome to -implement. If we in this situation just enqueue a second x-lock request -for our transaction on the next record, then the deadlock mechanism -notices a deadlock between our transaction and the s-lock request -transaction. This seems to be an ok solution. - We could have the convention that granted explicit record locks, -lock the corresponding records from changing, and also lock the gaps -before them from inserting. A waiting explicit lock request locks the gap -before from inserting. Implicit record x-locks, which we derive from the -transaction id in the clustered index record, only lock the record itself -from modification, not the gap before it from inserting. - How should we store update locks? If the search is done by a unique -key, we could just modify the record trx id. Otherwise, we could put a record -x-lock on the record. If the update changes ordering fields of the -clustered index record, the inserted new record needs no record lock in -lock table, the trx id is enough. The same holds for a secondary index -record. Searched delete is similar to update. - -PROBLEM: -What about waiting lock requests? If a transaction is waiting to make an -update to a record which another modified, how does the other transaction -know to send the end-lock-wait signal to the waiting transaction? If we have -the convention that a transaction may wait for just one lock at a time, how -do we preserve it if lock wait ends? - -PROBLEM: -Checking the trx id label of a secondary index record. In the case of a -modification, not an insert, is this necessary? A secondary index record -is modified only by setting or resetting its deleted flag. A secondary index -record contains fields to uniquely determine the corresponding clustered -index record. A secondary index record is therefore only modified if we -also modify the clustered index record, and the trx id checking is done -on the clustered index record, before we come to modify the secondary index -record. So, in the case of delete marking or unmarking a secondary index -record, we do not have to care about trx ids, only the locks in the lock -table must be checked. In the case of a select from a secondary index, the -trx id is relevant, and in this case we may have to search the clustered -index record. - -PROBLEM: How to update record locks when page is split or merged, or --------------------------------------------------------------------- -a record is deleted or updated? -If the size of fields in a record changes, we perform the update by -a delete followed by an insert. How can we retain the locks set or -waiting on the record? Because a record lock is indexed in the bitmap -by the heap number of the record, when we remove the record from the -record list, it is possible still to keep the lock bits. If the page -is reorganized, we could make a table of old and new heap numbers, -and permute the bitmaps in the locks accordingly. We can add to the -table a row telling where the updated record ended. If the update does -not require a reorganization of the page, we can simply move the lock -bits for the updated record to the position determined by its new heap -number (we may have to allocate a new lock, if we run out of the bitmap -in the old one). - A more complicated case is the one where the reinsertion of the -updated record is done pessimistically, because the structure of the -tree may change. - -PROBLEM: If a supremum record is removed in a page merge, or a record ---------------------------------------------------------------------- -removed in a purge, what to do to the waiting lock requests? In a split to -the right, we just move the lock requests to the new supremum. If a record -is removed, we could move the waiting lock request to its inheritor, the -next record in the index. But, the next record may already have lock -requests on its own queue. A new deadlock check should be made then. Maybe -it is easier just to release the waiting transactions. They can then enqueue -new lock requests on appropriate records. - -PROBLEM: When a record is inserted, what locks should it inherit from the -------------------------------------------------------------------------- -upper neighbor? An insert of a new supremum record in a page split is -always possible, but an insert of a new user record requires that the upper -neighbor does not have any lock requests by other transactions, granted or -waiting, in its lock queue. Solution: We can copy the locks as gap type -locks, so that also the waiting locks are transformed to granted gap type -locks on the inserted record. */ - -/* LOCK COMPATIBILITY MATRIX - * IS IX S X AI - * IS + + + - + - * IX + + - - + - * S + - + - - - * X - - - - - - * AI + + - - - - * - * Note that for rows, InnoDB only acquires S or X locks. - * For tables, InnoDB normally acquires IS or IX locks. - * S or X table locks are only acquired for LOCK TABLES. - * Auto-increment (AI) locks are needed because of - * statement-level MySQL binlog. - * See also lock_mode_compatible(). - */ -#define LK(a,b) (1 << ((a) * LOCK_NUM + (b))) -#define LKS(a,b) LK(a,b) | LK(b,a) - -/* Define the lock compatibility matrix in a ulint. The first line below -defines the diagonal entries. The following lines define the compatibility -for LOCK_IX, LOCK_S, and LOCK_AUTO_INC using LKS(), since the matrix -is symmetric. */ -#define LOCK_MODE_COMPATIBILITY 0 \ - | LK(LOCK_IS, LOCK_IS) | LK(LOCK_IX, LOCK_IX) | LK(LOCK_S, LOCK_S) \ - | LKS(LOCK_IX, LOCK_IS) | LKS(LOCK_IS, LOCK_AUTO_INC) \ - | LKS(LOCK_S, LOCK_IS) \ - | LKS(LOCK_AUTO_INC, LOCK_IS) | LKS(LOCK_AUTO_INC, LOCK_IX) - -/* STRONGER-OR-EQUAL RELATION (mode1=row, mode2=column) - * IS IX S X AI - * IS + - - - - - * IX + + - - - - * S + - + - - - * X + + + + + - * AI - - - - + - * See lock_mode_stronger_or_eq(). - */ - -/* Define the stronger-or-equal lock relation in a ulint. This relation -contains all pairs LK(mode1, mode2) where mode1 is stronger than or -equal to mode2. */ -#define LOCK_MODE_STRONGER_OR_EQ 0 \ - | LK(LOCK_IS, LOCK_IS) \ - | LK(LOCK_IX, LOCK_IS) | LK(LOCK_IX, LOCK_IX) \ - | LK(LOCK_S, LOCK_IS) | LK(LOCK_S, LOCK_S) \ - | LK(LOCK_AUTO_INC, LOCK_AUTO_INC) \ - | LK(LOCK_X, LOCK_IS) | LK(LOCK_X, LOCK_IX) | LK(LOCK_X, LOCK_S) \ - | LK(LOCK_X, LOCK_AUTO_INC) | LK(LOCK_X, LOCK_X) - -#ifdef UNIV_DEBUG -UNIV_INTERN ibool lock_print_waits = FALSE; - -/*********************************************************************//** -Validates the lock system. -@return TRUE if ok */ -static -ibool -lock_validate(void); -/*===============*/ - -/*********************************************************************//** -Validates the record lock queues on a page. -@return TRUE if ok */ -static -ibool -lock_rec_validate_page( -/*===================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no);/*!< in: page number */ -#endif /* UNIV_DEBUG */ - -/* The lock system */ -UNIV_INTERN lock_sys_t* lock_sys = NULL; - -/* We store info on the latest deadlock error to this buffer. InnoDB -Monitor will then fetch it and print */ -UNIV_INTERN ibool lock_deadlock_found = FALSE; -UNIV_INTERN FILE* lock_latest_err_file; - -/* Flags for recursive deadlock search */ -#define LOCK_VICTIM_IS_START 1 -#define LOCK_VICTIM_IS_OTHER 2 -#define LOCK_EXCEED_MAX_DEPTH 3 - -/********************************************************************//** -Checks if a lock request results in a deadlock. -@return TRUE if a deadlock was detected and we chose trx as a victim; -FALSE if no deadlock, or there was a deadlock, but we chose other -transaction(s) as victim(s) */ -static -ibool -lock_deadlock_occurs( -/*=================*/ - lock_t* lock, /*!< in: lock the transaction is requesting */ - trx_t* trx); /*!< in: transaction */ -/********************************************************************//** -Looks recursively for a deadlock. -@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a -deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a -deadlock was found and we chose some other trx as a victim: we must do -the search again in this last case because there may be another -deadlock! -LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ -static -ulint -lock_deadlock_recursive( -/*====================*/ - trx_t* start, /*!< in: recursion starting point */ - trx_t* trx, /*!< in: a transaction waiting for a lock */ - lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ - ulint* cost, /*!< in/out: number of calculation steps thus - far: if this exceeds LOCK_MAX_N_STEPS_... - we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth); /*!< in: recursion depth: if this exceeds - LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we - return LOCK_EXCEED_MAX_DEPTH */ - -/*********************************************************************//** -Gets the nth bit of a record lock. -@return TRUE if bit set also if i == ULINT_UNDEFINED return FALSE*/ -UNIV_INLINE -ibool -lock_rec_get_nth_bit( -/*=================*/ - const lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit */ -{ - ulint byte_index; - ulint bit_index; - - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - if (i >= lock->un_member.rec_lock.n_bits) { - - return(FALSE); - } - - byte_index = i / 8; - bit_index = i % 8; - - return(1 & ((const byte*) &lock[1])[byte_index] >> bit_index); -} - -/*************************************************************************/ - -#define lock_mutex_enter_kernel() mutex_enter(&kernel_mutex) -#define lock_mutex_exit_kernel() mutex_exit(&kernel_mutex) - -/*********************************************************************//** -Checks that a transaction id is sensible, i.e., not in the future. -@return TRUE if ok */ -UNIV_INTERN -ibool -lock_check_trx_id_sanity( -/*=====================*/ - trx_id_t trx_id, /*!< in: trx id */ - const rec_t* rec, /*!< in: user record */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ - ibool has_kernel_mutex)/*!< in: TRUE if the caller owns the - kernel mutex */ -{ - ibool is_ok = TRUE; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (!has_kernel_mutex) { - mutex_enter(&kernel_mutex); - } - - /* A sanity check: the trx_id in rec must be smaller than the global - trx id counter */ - - if (ut_dulint_cmp(trx_id, trx_sys->max_trx_id) >= 0) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: transaction id associated" - " with record\n", - stderr); - rec_print_new(stderr, rec, offsets); - fputs("InnoDB: in ", stderr); - dict_index_name_print(stderr, NULL, index); - fprintf(stderr, "\n" - "InnoDB: is " TRX_ID_FMT " which is higher than the" - " global trx id counter " TRX_ID_FMT "!\n" - "InnoDB: The table is corrupt. You have to do" - " dump + drop + reimport.\n", - TRX_ID_PREP_PRINTF(trx_id), - TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); - - is_ok = FALSE; - } - - if (!has_kernel_mutex) { - mutex_exit(&kernel_mutex); - } - - return(is_ok); -} - -/*********************************************************************//** -Checks that a record is seen in a consistent read. -@return TRUE if sees, or FALSE if an earlier version of the record -should be retrieved */ -UNIV_INTERN -ibool -lock_clust_rec_cons_read_sees( -/*==========================*/ - const rec_t* rec, /*!< in: user record which should be read or - passed over by a read cursor */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - read_view_t* view) /*!< in: consistent read view */ -{ - trx_id_t trx_id; - - ut_ad(dict_index_is_clust(index)); - ut_ad(page_rec_is_user_rec(rec)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - /* NOTE that we call this function while holding the search - system latch. To obey the latching order we must NOT reserve the - kernel mutex here! */ - - trx_id = row_get_rec_trx_id(rec, index, offsets); - - return(read_view_sees_trx_id(view, trx_id)); -} - -/*********************************************************************//** -Checks that a non-clustered index record is seen in a consistent read. - -NOTE that a non-clustered index page contains so little information on -its modifications that also in the case FALSE, the present version of -rec may be the right, but we must check this from the clustered index -record. - -@return TRUE if certainly sees, or FALSE if an earlier version of the -clustered index record might be needed */ -UNIV_INTERN -ulint -lock_sec_rec_cons_read_sees( -/*========================*/ - const rec_t* rec, /*!< in: user record which - should be read or passed over - by a read cursor */ - const read_view_t* view) /*!< in: consistent read view */ -{ - trx_id_t max_trx_id; - - ut_ad(page_rec_is_user_rec(rec)); - - /* NOTE that we might call this function while holding the search - system latch. To obey the latching order we must NOT reserve the - kernel mutex here! */ - - if (recv_recovery_is_on()) { - - return(FALSE); - } - - max_trx_id = page_get_max_trx_id(page_align(rec)); - ut_ad(!ut_dulint_is_zero(max_trx_id)); - - return(ut_dulint_cmp(max_trx_id, view->up_limit_id) < 0); -} - -/*********************************************************************//** -Creates the lock system at database start. */ -UNIV_INTERN -void -lock_sys_create( -/*============*/ - ulint n_cells) /*!< in: number of slots in lock hash table */ -{ - lock_sys = mem_alloc(sizeof(lock_sys_t)); - - lock_sys->rec_hash = hash_create(n_cells); - - /* hash_create_mutexes(lock_sys->rec_hash, 2, SYNC_REC_LOCK); */ - - lock_latest_err_file = os_file_create_tmpfile(); - ut_a(lock_latest_err_file); -} - -/*********************************************************************//** -Closes the lock system at database shutdown. */ -UNIV_INTERN -void -lock_sys_close(void) -/*================*/ -{ - if (lock_latest_err_file != NULL) { - fclose(lock_latest_err_file); - lock_latest_err_file = NULL; - } - - hash_table_free(lock_sys->rec_hash); - mem_free(lock_sys); - lock_sys = NULL; -} - -/*********************************************************************//** -Gets the size of a lock struct. -@return size in bytes */ -UNIV_INTERN -ulint -lock_get_size(void) -/*===============*/ -{ - return((ulint)sizeof(lock_t)); -} - -/*********************************************************************//** -Gets the mode of a lock. -@return mode */ -UNIV_INLINE -enum lock_mode -lock_get_mode( -/*==========*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_ad(lock); - - return(lock->type_mode & LOCK_MODE_MASK); -} - -/*********************************************************************//** -Gets the wait flag of a lock. -@return TRUE if waiting */ -UNIV_INLINE -ibool -lock_get_wait( -/*==========*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_ad(lock); - - if (UNIV_UNLIKELY(lock->type_mode & LOCK_WAIT)) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Gets the source table of an ALTER TABLE transaction. The table must be -covered by an IX or IS table lock. -@return the source table of transaction, if it is covered by an IX or -IS table lock; dest if there is no source table, and NULL if the -transaction is locking more than two tables or an inconsistency is -found */ -UNIV_INTERN -dict_table_t* -lock_get_src_table( -/*===============*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* dest, /*!< in: destination of ALTER TABLE */ - enum lock_mode* mode) /*!< out: lock mode of the source table */ -{ - dict_table_t* src; - lock_t* lock; - - src = NULL; - *mode = LOCK_NONE; - - for (lock = UT_LIST_GET_FIRST(trx->trx_locks); - lock; - lock = UT_LIST_GET_NEXT(trx_locks, lock)) { - lock_table_t* tab_lock; - enum lock_mode lock_mode; - if (!(lock_get_type_low(lock) & LOCK_TABLE)) { - /* We are only interested in table locks. */ - continue; - } - tab_lock = &lock->un_member.tab_lock; - if (dest == tab_lock->table) { - /* We are not interested in the destination table. */ - continue; - } else if (!src) { - /* This presumably is the source table. */ - src = tab_lock->table; - if (UT_LIST_GET_LEN(src->locks) != 1 - || UT_LIST_GET_FIRST(src->locks) != lock) { - /* We only support the case when - there is only one lock on this table. */ - return(NULL); - } - } else if (src != tab_lock->table) { - /* The transaction is locking more than - two tables (src and dest): abort */ - return(NULL); - } - - /* Check that the source table is locked by - LOCK_IX or LOCK_IS. */ - lock_mode = lock_get_mode(lock); - if (lock_mode == LOCK_IX || lock_mode == LOCK_IS) { - if (*mode != LOCK_NONE && *mode != lock_mode) { - /* There are multiple locks on src. */ - return(NULL); - } - *mode = lock_mode; - } - } - - if (!src) { - /* No source table lock found: flag the situation to caller */ - src = dest; - } - - return(src); -} - -/*********************************************************************//** -Determine if the given table is exclusively "owned" by the given -transaction, i.e., transaction holds LOCK_IX and possibly LOCK_AUTO_INC -on the table. -@return TRUE if table is only locked by trx, with LOCK_IX, and -possibly LOCK_AUTO_INC */ -UNIV_INTERN -ibool -lock_is_table_exclusive( -/*====================*/ - dict_table_t* table, /*!< in: table */ - trx_t* trx) /*!< in: transaction */ -{ - const lock_t* lock; - ibool ok = FALSE; - - ut_ad(table); - ut_ad(trx); - - lock_mutex_enter_kernel(); - - for (lock = UT_LIST_GET_FIRST(table->locks); - lock; - lock = UT_LIST_GET_NEXT(locks, &lock->un_member.tab_lock)) { - if (lock->trx != trx) { - /* A lock on the table is held - by some other transaction. */ - goto not_ok; - } - - if (!(lock_get_type_low(lock) & LOCK_TABLE)) { - /* We are interested in table locks only. */ - continue; - } - - switch (lock_get_mode(lock)) { - case LOCK_IX: - ok = TRUE; - break; - case LOCK_AUTO_INC: - /* It is allowed for trx to hold an - auto_increment lock. */ - break; - default: -not_ok: - /* Other table locks than LOCK_IX are not allowed. */ - ok = FALSE; - goto func_exit; - } - } - -func_exit: - lock_mutex_exit_kernel(); - - return(ok); -} - -/*********************************************************************//** -Sets the wait flag of a lock and the back pointer in trx to lock. */ -UNIV_INLINE -void -lock_set_lock_and_trx_wait( -/*=======================*/ - lock_t* lock, /*!< in: lock */ - trx_t* trx) /*!< in: trx */ -{ - ut_ad(lock); - ut_ad(trx->wait_lock == NULL); - - trx->wait_lock = lock; - lock->type_mode |= LOCK_WAIT; -} - -/**********************************************************************//** -The back pointer to a waiting lock request in the transaction is set to NULL -and the wait bit in lock type_mode is reset. */ -UNIV_INLINE -void -lock_reset_lock_and_trx_wait( -/*=========================*/ - lock_t* lock) /*!< in: record lock */ -{ - ut_ad((lock->trx)->wait_lock == lock); - ut_ad(lock_get_wait(lock)); - - /* Reset the back pointer in trx to this waiting lock request */ - - (lock->trx)->wait_lock = NULL; - lock->type_mode &= ~LOCK_WAIT; -} - -/*********************************************************************//** -Gets the gap flag of a record lock. -@return TRUE if gap flag set */ -UNIV_INLINE -ibool -lock_rec_get_gap( -/*=============*/ - const lock_t* lock) /*!< in: record lock */ -{ - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - if (lock->type_mode & LOCK_GAP) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Gets the LOCK_REC_NOT_GAP flag of a record lock. -@return TRUE if LOCK_REC_NOT_GAP flag set */ -UNIV_INLINE -ibool -lock_rec_get_rec_not_gap( -/*=====================*/ - const lock_t* lock) /*!< in: record lock */ -{ - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - if (lock->type_mode & LOCK_REC_NOT_GAP) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Gets the waiting insert flag of a record lock. -@return TRUE if gap flag set */ -UNIV_INLINE -ibool -lock_rec_get_insert_intention( -/*==========================*/ - const lock_t* lock) /*!< in: record lock */ -{ - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - if (lock->type_mode & LOCK_INSERT_INTENTION) { - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Calculates if lock mode 1 is stronger or equal to lock mode 2. -@return nonzero if mode1 stronger or equal to mode2 */ -UNIV_INLINE -ulint -lock_mode_stronger_or_eq( -/*=====================*/ - enum lock_mode mode1, /*!< in: lock mode */ - enum lock_mode mode2) /*!< in: lock mode */ -{ - ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX - || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); - ut_ad(mode2 == LOCK_X || mode2 == LOCK_S || mode2 == LOCK_IX - || mode2 == LOCK_IS || mode2 == LOCK_AUTO_INC); - - return((LOCK_MODE_STRONGER_OR_EQ) & LK(mode1, mode2)); -} - -/*********************************************************************//** -Calculates if lock mode 1 is compatible with lock mode 2. -@return nonzero if mode1 compatible with mode2 */ -UNIV_INLINE -ulint -lock_mode_compatible( -/*=================*/ - enum lock_mode mode1, /*!< in: lock mode */ - enum lock_mode mode2) /*!< in: lock mode */ -{ - ut_ad(mode1 == LOCK_X || mode1 == LOCK_S || mode1 == LOCK_IX - || mode1 == LOCK_IS || mode1 == LOCK_AUTO_INC); - ut_ad(mode2 == LOCK_X || mode2 == LOCK_S || mode2 == LOCK_IX - || mode2 == LOCK_IS || mode2 == LOCK_AUTO_INC); - - return((LOCK_MODE_COMPATIBILITY) & LK(mode1, mode2)); -} - -/*********************************************************************//** -Checks if a lock request for a new lock has to wait for request lock2. -@return TRUE if new lock has to wait for lock2 to be removed */ -UNIV_INLINE -ibool -lock_rec_has_to_wait( -/*=================*/ - const trx_t* trx, /*!< in: trx of new lock */ - ulint type_mode,/*!< in: precise mode of the new lock - to set: LOCK_S or LOCK_X, possibly - ORed to LOCK_GAP or LOCK_REC_NOT_GAP, - LOCK_INSERT_INTENTION */ - const lock_t* lock2, /*!< in: another record lock; NOTE that - it is assumed that this has a lock bit - set on the same record as in the new - lock we are setting */ - ibool lock_is_on_supremum) /*!< in: TRUE if we are setting the - lock on the 'supremum' record of an - index page: we know then that the lock - request is really for a 'gap' type lock */ -{ - ut_ad(trx && lock2); - ut_ad(lock_get_type_low(lock2) == LOCK_REC); - - if (trx != lock2->trx - && !lock_mode_compatible(LOCK_MODE_MASK & type_mode, - lock_get_mode(lock2))) { - - /* We have somewhat complex rules when gap type record locks - cause waits */ - - if ((lock_is_on_supremum || (type_mode & LOCK_GAP)) - && !(type_mode & LOCK_INSERT_INTENTION)) { - - /* Gap type locks without LOCK_INSERT_INTENTION flag - do not need to wait for anything. This is because - different users can have conflicting lock types - on gaps. */ - - return(FALSE); - } - - if (!(type_mode & LOCK_INSERT_INTENTION) - && lock_rec_get_gap(lock2)) { - - /* Record lock (LOCK_ORDINARY or LOCK_REC_NOT_GAP - does not need to wait for a gap type lock */ - - return(FALSE); - } - - if ((type_mode & LOCK_GAP) - && lock_rec_get_rec_not_gap(lock2)) { - - /* Lock on gap does not need to wait for - a LOCK_REC_NOT_GAP type lock */ - - return(FALSE); - } - - if (lock_rec_get_insert_intention(lock2)) { - - /* No lock request needs to wait for an insert - intention lock to be removed. This is ok since our - rules allow conflicting locks on gaps. This eliminates - a spurious deadlock caused by a next-key lock waiting - for an insert intention lock; when the insert - intention lock was granted, the insert deadlocked on - the waiting next-key lock. - - Also, insert intention locks do not disturb each - other. */ - - return(FALSE); - } - - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Checks if a lock request lock1 has to wait for request lock2. -@return TRUE if lock1 has to wait for lock2 to be removed */ -UNIV_INTERN -ibool -lock_has_to_wait( -/*=============*/ - const lock_t* lock1, /*!< in: waiting lock */ - const lock_t* lock2) /*!< in: another lock; NOTE that it is - assumed that this has a lock bit set - on the same record as in lock1 if the - locks are record locks */ -{ - ut_ad(lock1 && lock2); - - if (lock1->trx != lock2->trx - && !lock_mode_compatible(lock_get_mode(lock1), - lock_get_mode(lock2))) { - if (lock_get_type_low(lock1) == LOCK_REC) { - ut_ad(lock_get_type_low(lock2) == LOCK_REC); - - /* If this lock request is for a supremum record - then the second bit on the lock bitmap is set */ - - return(lock_rec_has_to_wait(lock1->trx, - lock1->type_mode, lock2, - lock_rec_get_nth_bit( - lock1, 1))); - } - - return(TRUE); - } - - return(FALSE); -} - -/*============== RECORD LOCK BASIC FUNCTIONS ============================*/ - -/*********************************************************************//** -Gets the number of bits in a record lock bitmap. -@return number of bits */ -UNIV_INLINE -ulint -lock_rec_get_n_bits( -/*================*/ - const lock_t* lock) /*!< in: record lock */ -{ - return(lock->un_member.rec_lock.n_bits); -} - -/**********************************************************************//** -Sets the nth bit of a record lock to TRUE. */ -UNIV_INLINE -void -lock_rec_set_nth_bit( -/*=================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit */ -{ - ulint byte_index; - ulint bit_index; - - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - byte_index = i / 8; - bit_index = i % 8; - - ((byte*) &lock[1])[byte_index] |= 1 << bit_index; -} - -/**********************************************************************//** -Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. -@return bit index == heap number of the record, or ULINT_UNDEFINED if -none found */ -UNIV_INTERN -ulint -lock_rec_find_set_bit( -/*==================*/ - const lock_t* lock) /*!< in: record lock with at least one bit set */ -{ - ulint i; - - for (i = 0; i < lock_rec_get_n_bits(lock); i++) { - - if (lock_rec_get_nth_bit(lock, i)) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Resets the nth bit of a record lock. */ -UNIV_INLINE -void -lock_rec_reset_nth_bit( -/*===================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit which must be set to TRUE - when this function is called */ -{ - ulint byte_index; - ulint bit_index; - - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - byte_index = i / 8; - bit_index = i % 8; - - ((byte*) &lock[1])[byte_index] &= ~(1 << bit_index); -} - -/*********************************************************************//** -Gets the first or next record lock on a page. -@return next lock, NULL if none exists */ -UNIV_INLINE -lock_t* -lock_rec_get_next_on_page( -/*======================*/ - lock_t* lock) /*!< in: a record lock */ -{ - ulint space; - ulint page_no; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - space = lock->un_member.rec_lock.space; - page_no = lock->un_member.rec_lock.page_no; - - for (;;) { - lock = HASH_GET_NEXT(hash, lock); - - if (!lock) { - - break; - } - - if ((lock->un_member.rec_lock.space == space) - && (lock->un_member.rec_lock.page_no == page_no)) { - - break; - } - } - - return(lock); -} - -/*********************************************************************//** -Gets the first record lock on a page, where the page is identified by its -file address. -@return first lock, NULL if none exists */ -UNIV_INLINE -lock_t* -lock_rec_get_first_on_page_addr( -/*============================*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = HASH_GET_FIRST(lock_sys->rec_hash, - lock_rec_hash(space, page_no)); - while (lock) { - if ((lock->un_member.rec_lock.space == space) - && (lock->un_member.rec_lock.page_no == page_no)) { - - break; - } - - lock = HASH_GET_NEXT(hash, lock); - } - - return(lock); -} - -/*********************************************************************//** -Returns TRUE if there are explicit record locks on a page. -@return TRUE if there are explicit record locks on the page */ -UNIV_INTERN -ibool -lock_rec_expl_exist_on_page( -/*========================*/ - ulint space, /*!< in: space id */ - ulint page_no)/*!< in: page number */ -{ - ibool ret; - - mutex_enter(&kernel_mutex); - - if (lock_rec_get_first_on_page_addr(space, page_no)) { - ret = TRUE; - } else { - ret = FALSE; - } - - mutex_exit(&kernel_mutex); - - return(ret); -} - -/*********************************************************************//** -Gets the first record lock on a page, where the page is identified by a -pointer to it. -@return first lock, NULL if none exists */ -UNIV_INLINE -lock_t* -lock_rec_get_first_on_page( -/*=======================*/ - const buf_block_t* block) /*!< in: buffer block */ -{ - ulint hash; - lock_t* lock; - ulint space = buf_block_get_space(block); - ulint page_no = buf_block_get_page_no(block); - - ut_ad(mutex_own(&kernel_mutex)); - - hash = buf_block_get_lock_hash_val(block); - - lock = HASH_GET_FIRST(lock_sys->rec_hash, hash); - - while (lock) { - if ((lock->un_member.rec_lock.space == space) - && (lock->un_member.rec_lock.page_no == page_no)) { - - break; - } - - lock = HASH_GET_NEXT(hash, lock); - } - - return(lock); -} - -/*********************************************************************//** -Gets the next explicit lock request on a record. -@return next lock, NULL if none exists or if heap_no == ULINT_UNDEFINED */ -UNIV_INLINE -lock_t* -lock_rec_get_next( -/*==============*/ - ulint heap_no,/*!< in: heap number of the record */ - lock_t* lock) /*!< in: lock */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - do { - ut_ad(lock_get_type_low(lock) == LOCK_REC); - lock = lock_rec_get_next_on_page(lock); - } while (lock && !lock_rec_get_nth_bit(lock, heap_no)); - - return(lock); -} - -/*********************************************************************//** -Gets the first explicit lock request on a record. -@return first lock, NULL if none exists */ -UNIV_INLINE -lock_t* -lock_rec_get_first( -/*===============*/ - const buf_block_t* block, /*!< in: block containing the record */ - ulint heap_no)/*!< in: heap number of the record */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - for (lock = lock_rec_get_first_on_page(block); lock; - lock = lock_rec_get_next_on_page(lock)) { - if (lock_rec_get_nth_bit(lock, heap_no)) { - break; - } - } - - return(lock); -} - -/*********************************************************************//** -Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock -pointer in the transaction! This function is used in lock object creation -and resetting. */ -static -void -lock_rec_bitmap_reset( -/*==================*/ - lock_t* lock) /*!< in: record lock */ -{ - ulint n_bytes; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - /* Reset to zero the bitmap which resides immediately after the lock - struct */ - - n_bytes = lock_rec_get_n_bits(lock) / 8; - - ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); - - memset(&lock[1], 0, n_bytes); -} - -/*********************************************************************//** -Copies a record lock to heap. -@return copy of lock */ -static -lock_t* -lock_rec_copy( -/*==========*/ - const lock_t* lock, /*!< in: record lock */ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ulint size; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - size = sizeof(lock_t) + lock_rec_get_n_bits(lock) / 8; - - return(mem_heap_dup(heap, lock, size)); -} - -/*********************************************************************//** -Gets the previous record lock set on a record. -@return previous lock on the same record, NULL if none exists */ -UNIV_INTERN -const lock_t* -lock_rec_get_prev( -/*==============*/ - const lock_t* in_lock,/*!< in: record lock */ - ulint heap_no)/*!< in: heap number of the record */ -{ - lock_t* lock; - ulint space; - ulint page_no; - lock_t* found_lock = NULL; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_type_low(in_lock) == LOCK_REC); - - space = in_lock->un_member.rec_lock.space; - page_no = in_lock->un_member.rec_lock.page_no; - - lock = lock_rec_get_first_on_page_addr(space, page_no); - - for (;;) { - ut_ad(lock); - - if (lock == in_lock) { - - return(found_lock); - } - - if (lock_rec_get_nth_bit(lock, heap_no)) { - - found_lock = lock; - } - - lock = lock_rec_get_next_on_page(lock); - } -} - -/*============= FUNCTIONS FOR ANALYZING TABLE LOCK QUEUE ================*/ - -/*********************************************************************//** -Checks if a transaction has the specified table lock, or stronger. -@return lock or NULL */ -UNIV_INLINE -lock_t* -lock_table_has( -/*===========*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table, /*!< in: table */ - enum lock_mode mode) /*!< in: lock mode */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - /* Look for stronger locks the same trx already has on the table */ - - lock = UT_LIST_GET_LAST(table->locks); - - while (lock != NULL) { - - if (lock->trx == trx - && lock_mode_stronger_or_eq(lock_get_mode(lock), mode)) { - - /* The same trx already has locked the table in - a mode stronger or equal to the mode given */ - - ut_ad(!lock_get_wait(lock)); - - return(lock); - } - - lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, lock); - } - - return(NULL); -} - -/*============= FUNCTIONS FOR ANALYZING RECORD LOCK QUEUE ================*/ - -/*********************************************************************//** -Checks if a transaction has a GRANTED explicit lock on rec stronger or equal -to precise_mode. -@return lock or NULL */ -UNIV_INLINE -lock_t* -lock_rec_has_expl( -/*==============*/ - ulint precise_mode,/*!< in: LOCK_S or LOCK_X - possibly ORed to LOCK_GAP or - LOCK_REC_NOT_GAP, for a - supremum record we regard this - always a gap type request */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - trx_t* trx) /*!< in: transaction */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad((precise_mode & LOCK_MODE_MASK) == LOCK_S - || (precise_mode & LOCK_MODE_MASK) == LOCK_X); - ut_ad(!(precise_mode & LOCK_INSERT_INTENTION)); - - lock = lock_rec_get_first(block, heap_no); - - while (lock) { - if (lock->trx == trx - && lock_mode_stronger_or_eq(lock_get_mode(lock), - precise_mode & LOCK_MODE_MASK) - && !lock_get_wait(lock) - && (!lock_rec_get_rec_not_gap(lock) - || (precise_mode & LOCK_REC_NOT_GAP) - || heap_no == PAGE_HEAP_NO_SUPREMUM) - && (!lock_rec_get_gap(lock) - || (precise_mode & LOCK_GAP) - || heap_no == PAGE_HEAP_NO_SUPREMUM) - && (!lock_rec_get_insert_intention(lock))) { - - return(lock); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - return(NULL); -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Checks if some other transaction has a lock request in the queue. -@return lock or NULL */ -static -lock_t* -lock_rec_other_has_expl_req( -/*========================*/ - enum lock_mode mode, /*!< in: LOCK_S or LOCK_X */ - ulint gap, /*!< in: LOCK_GAP if also gap - locks are taken into account, - or 0 if not */ - ulint wait, /*!< in: LOCK_WAIT if also - waiting locks are taken into - account, or 0 if not */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - const trx_t* trx) /*!< in: transaction, or NULL if - requests by all transactions - are taken into account */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(mode == LOCK_X || mode == LOCK_S); - ut_ad(gap == 0 || gap == LOCK_GAP); - ut_ad(wait == 0 || wait == LOCK_WAIT); - - lock = lock_rec_get_first(block, heap_no); - - while (lock) { - if (lock->trx != trx - && (gap - || !(lock_rec_get_gap(lock) - || heap_no == PAGE_HEAP_NO_SUPREMUM)) - && (wait || !lock_get_wait(lock)) - && lock_mode_stronger_or_eq(lock_get_mode(lock), mode)) { - - return(lock); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - return(NULL); -} -#endif /* UNIV_DEBUG */ - -/*********************************************************************//** -Checks if some other transaction has a conflicting explicit lock request -in the queue, so that we have to wait. -@return lock or NULL */ -static -lock_t* -lock_rec_other_has_conflicting( -/*===========================*/ - enum lock_mode mode, /*!< in: LOCK_S or LOCK_X, - possibly ORed to LOCK_GAP or - LOC_REC_NOT_GAP, - LOCK_INSERT_INTENTION */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - trx_t* trx) /*!< in: our transaction */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = lock_rec_get_first(block, heap_no); - - if (UNIV_LIKELY_NULL(lock)) { - if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { - - do { - if (lock_rec_has_to_wait(trx, mode, lock, - TRUE)) { - return(lock); - } - - lock = lock_rec_get_next(heap_no, lock); - } while (lock); - } else { - - do { - if (lock_rec_has_to_wait(trx, mode, lock, - FALSE)) { - return(lock); - } - - lock = lock_rec_get_next(heap_no, lock); - } while (lock); - } - } - - return(NULL); -} - -/*********************************************************************//** -Looks for a suitable type record lock struct by the same trx on the same page. -This can be used to save space when a new record lock should be set on a page: -no new struct is needed, if a suitable old is found. -@return lock or NULL */ -UNIV_INLINE -lock_t* -lock_rec_find_similar_on_page( -/*==========================*/ - ulint type_mode, /*!< in: lock type_mode field */ - ulint heap_no, /*!< in: heap number of the record */ - lock_t* lock, /*!< in: lock_rec_get_first_on_page() */ - const trx_t* trx) /*!< in: transaction */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - while (lock != NULL) { - if (lock->trx == trx - && lock->type_mode == type_mode - && lock_rec_get_n_bits(lock) > heap_no) { - - return(lock); - } - - lock = lock_rec_get_next_on_page(lock); - } - - return(NULL); -} - -/*********************************************************************//** -Checks if some transaction has an implicit x-lock on a record in a secondary -index. -@return transaction which has the x-lock, or NULL */ -static -trx_t* -lock_sec_rec_some_has_impl_off_kernel( -/*==================================*/ - const rec_t* rec, /*!< in: user record */ - dict_index_t* index, /*!< in: secondary index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - const page_t* page = page_align(rec); - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(!dict_index_is_clust(index)); - ut_ad(page_rec_is_user_rec(rec)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - /* Some transaction may have an implicit x-lock on the record only - if the max trx id for the page >= min trx id for the trx list, or - database recovery is running. We do not write the changes of a page - max trx id to the log, and therefore during recovery, this value - for a page may be incorrect. */ - - if (!(ut_dulint_cmp(page_get_max_trx_id(page), - trx_list_get_min_trx_id()) >= 0) - && !recv_recovery_is_on()) { - - return(NULL); - } - - /* Ok, in this case it is possible that some transaction has an - implicit x-lock. We have to look in the clustered index. */ - - if (!lock_check_trx_id_sanity(page_get_max_trx_id(page), - rec, index, offsets, TRUE)) { - buf_page_print(page, 0); - - /* The page is corrupt: try to avoid a crash by returning - NULL */ - return(NULL); - } - - return(row_vers_impl_x_locked_off_kernel(rec, index, offsets)); -} - -/*********************************************************************//** -Return approximate number or record locks (bits set in the bitmap) for -this transaction. Since delete-marked records may be removed, the -record count will not be precise. */ -UNIV_INTERN -ulint -lock_number_of_rows_locked( -/*=======================*/ - trx_t* trx) /*!< in: transaction */ -{ - lock_t* lock; - ulint n_records = 0; - ulint n_bits; - ulint n_bit; - - lock = UT_LIST_GET_FIRST(trx->trx_locks); - - while (lock) { - if (lock_get_type_low(lock) == LOCK_REC) { - n_bits = lock_rec_get_n_bits(lock); - - for (n_bit = 0; n_bit < n_bits; n_bit++) { - if (lock_rec_get_nth_bit(lock, n_bit)) { - n_records++; - } - } - } - - lock = UT_LIST_GET_NEXT(trx_locks, lock); - } - - return (n_records); -} - -/*============== RECORD LOCK CREATION AND QUEUE MANAGEMENT =============*/ - -/*********************************************************************//** -Creates a new record lock and inserts it to the lock queue. Does NOT check -for deadlocks or lock compatibility! -@return created lock */ -static -lock_t* -lock_rec_create( -/*============*/ - ulint type_mode,/*!< in: lock mode and wait - flag, type is ignored and - replaced by LOCK_REC */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - dict_index_t* index, /*!< in: index of record */ - trx_t* trx) /*!< in: transaction */ -{ - lock_t* lock; - ulint page_no; - ulint space; - ulint n_bits; - ulint n_bytes; - const page_t* page; - - ut_ad(mutex_own(&kernel_mutex)); - - space = buf_block_get_space(block); - page_no = buf_block_get_page_no(block); - page = block->frame; - - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - - /* If rec is the supremum record, then we reset the gap and - LOCK_REC_NOT_GAP bits, as all locks on the supremum are - automatically of the gap type */ - - if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { - ut_ad(!(type_mode & LOCK_REC_NOT_GAP)); - - type_mode = type_mode & ~(LOCK_GAP | LOCK_REC_NOT_GAP); - } - - /* Make lock bitmap bigger by a safety margin */ - n_bits = page_dir_get_n_heap(page) + LOCK_PAGE_BITMAP_MARGIN; - n_bytes = 1 + n_bits / 8; - - lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t) + n_bytes); - - UT_LIST_ADD_LAST(trx_locks, trx->trx_locks, lock); - - lock->trx = trx; - - lock->type_mode = (type_mode & ~LOCK_TYPE_MASK) | LOCK_REC; - lock->index = index; - - lock->un_member.rec_lock.space = space; - lock->un_member.rec_lock.page_no = page_no; - lock->un_member.rec_lock.n_bits = n_bytes * 8; - - /* Reset to zero the bitmap which resides immediately after the - lock struct */ - - lock_rec_bitmap_reset(lock); - - /* Set the bit corresponding to rec */ - lock_rec_set_nth_bit(lock, heap_no); - - HASH_INSERT(lock_t, hash, lock_sys->rec_hash, - lock_rec_fold(space, page_no), lock); - if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { - - lock_set_lock_and_trx_wait(lock, trx); - } - - return(lock); -} - -/*********************************************************************//** -Enqueues a waiting request for a lock which cannot be granted immediately. -Checks for deadlocks. -@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or -DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another -transaction was chosen as a victim, and we got the lock immediately: -no need to wait then */ -static -ulint -lock_rec_enqueue_waiting( -/*=====================*/ - ulint type_mode,/*!< in: lock mode this - transaction is requesting: - LOCK_S or LOCK_X, possibly - ORed with LOCK_GAP or - LOCK_REC_NOT_GAP, ORed with - LOCK_INSERT_INTENTION if this - waiting lock request is set - when performing an insert of - an index record */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - dict_index_t* index, /*!< in: index of record */ - que_thr_t* thr) /*!< in: query thread */ -{ - lock_t* lock; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - - /* Test if there already is some other reason to suspend thread: - we do not enqueue a lock request if the query thread should be - stopped anyway */ - - if (UNIV_UNLIKELY(que_thr_stop(thr))) { - - ut_error; - - return(DB_QUE_THR_SUSPENDED); - } - - trx = thr_get_trx(thr); - - switch (trx_get_dict_operation(trx)) { - case TRX_DICT_OP_NONE: - break; - case TRX_DICT_OP_TABLE: - case TRX_DICT_OP_INDEX: - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: a record lock wait happens" - " in a dictionary operation!\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - fputs(".\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", - stderr); - } - - /* Enqueue the lock request that will wait to be granted */ - lock = lock_rec_create(type_mode | LOCK_WAIT, - block, heap_no, index, trx); - - /* Check if a deadlock occurs: if yes, remove the lock request and - return an error code */ - - if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, trx))) { - - lock_reset_lock_and_trx_wait(lock); - lock_rec_reset_nth_bit(lock, heap_no); - - return(DB_DEADLOCK); - } - - /* If there was a deadlock but we chose another transaction as a - victim, it is possible that we already have the lock now granted! */ - - if (trx->wait_lock == NULL) { - - return(DB_SUCCESS); - } - - trx->que_state = TRX_QUE_LOCK_WAIT; - trx->was_chosen_as_deadlock_victim = FALSE; - trx->wait_started = time(NULL); - - ut_a(que_thr_stop(thr)); - -#ifdef UNIV_DEBUG - if (lock_print_waits) { - fprintf(stderr, "Lock wait for trx %lu in index ", - (ulong) ut_dulint_get_low(trx->id)); - ut_print_name(stderr, trx, FALSE, index->name); - } -#endif /* UNIV_DEBUG */ - - return(DB_LOCK_WAIT); -} - -/*********************************************************************//** -Adds a record lock request in the record queue. The request is normally -added as the last in the queue, but if there are no waiting lock requests -on the record, and the request to be added is not a waiting request, we -can reuse a suitable record lock object already existing on the same page, -just setting the appropriate bit in its bitmap. This is a low-level function -which does NOT check for deadlocks or lock compatibility! -@return lock where the bit was set */ -static -lock_t* -lock_rec_add_to_queue( -/*==================*/ - ulint type_mode,/*!< in: lock mode, wait, gap - etc. flags; type is ignored - and replaced by LOCK_REC */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of the record */ - dict_index_t* index, /*!< in: index of record */ - trx_t* trx) /*!< in: transaction */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); -#ifdef UNIV_DEBUG - switch (type_mode & LOCK_MODE_MASK) { - case LOCK_X: - case LOCK_S: - break; - default: - ut_error; - } - - if (!(type_mode & (LOCK_WAIT | LOCK_GAP))) { - enum lock_mode mode = (type_mode & LOCK_MODE_MASK) == LOCK_S - ? LOCK_X - : LOCK_S; - lock_t* other_lock - = lock_rec_other_has_expl_req(mode, 0, LOCK_WAIT, - block, heap_no, trx); - ut_a(!other_lock); - } -#endif /* UNIV_DEBUG */ - - type_mode |= LOCK_REC; - - /* If rec is the supremum record, then we can reset the gap bit, as - all locks on the supremum are automatically of the gap type, and we - try to avoid unnecessary memory consumption of a new record lock - struct for a gap type lock */ - - if (UNIV_UNLIKELY(heap_no == PAGE_HEAP_NO_SUPREMUM)) { - ut_ad(!(type_mode & LOCK_REC_NOT_GAP)); - - /* There should never be LOCK_REC_NOT_GAP on a supremum - record, but let us play safe */ - - type_mode = type_mode & ~(LOCK_GAP | LOCK_REC_NOT_GAP); - } - - /* Look for a waiting lock request on the same record or on a gap */ - - lock = lock_rec_get_first_on_page(block); - - while (lock != NULL) { - if (lock_get_wait(lock) - && (lock_rec_get_nth_bit(lock, heap_no))) { - - goto somebody_waits; - } - - lock = lock_rec_get_next_on_page(lock); - } - - if (UNIV_LIKELY(!(type_mode & LOCK_WAIT))) { - - /* Look for a similar record lock on the same page: - if one is found and there are no waiting lock requests, - we can just set the bit */ - - lock = lock_rec_find_similar_on_page( - type_mode, heap_no, - lock_rec_get_first_on_page(block), trx); - - if (lock) { - - lock_rec_set_nth_bit(lock, heap_no); - - return(lock); - } - } - -somebody_waits: - return(lock_rec_create(type_mode, block, heap_no, index, trx)); -} - -/*********************************************************************//** -This is a fast routine for locking a record in the most common cases: -there are no explicit locks on the page, or there is just one lock, owned -by this transaction, and of the right type_mode. This is a low-level function -which does NOT look at implicit locks! Checks lock compatibility within -explicit locks. This function sets a normal next-key lock, or in the case of -a page supremum record, a gap type lock. -@return TRUE if locking succeeded */ -UNIV_INLINE -ibool -lock_rec_lock_fast( -/*===============*/ - ibool impl, /*!< in: if TRUE, no lock is set - if no wait is necessary: we - assume that the caller will - set an implicit lock */ - ulint mode, /*!< in: lock mode: LOCK_X or - LOCK_S possibly ORed to either - LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of record */ - dict_index_t* index, /*!< in: index of record */ - que_thr_t* thr) /*!< in: query thread */ -{ - lock_t* lock; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_S - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_X - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - ut_ad((LOCK_MODE_MASK & mode) == LOCK_S - || (LOCK_MODE_MASK & mode) == LOCK_X); - ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP - || mode - (LOCK_MODE_MASK & mode) == 0 - || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP); - - lock = lock_rec_get_first_on_page(block); - - trx = thr_get_trx(thr); - - if (lock == NULL) { - if (!impl) { - lock_rec_create(mode, block, heap_no, index, trx); - } - - return(TRUE); - } - - if (lock_rec_get_next_on_page(lock)) { - - return(FALSE); - } - - if (lock->trx != trx - || lock->type_mode != (mode | LOCK_REC) - || lock_rec_get_n_bits(lock) <= heap_no) { - - return(FALSE); - } - - if (!impl) { - /* If the nth bit of the record lock is already set then we - do not set a new lock bit, otherwise we do set */ - - if (!lock_rec_get_nth_bit(lock, heap_no)) { - lock_rec_set_nth_bit(lock, heap_no); - } - } - - return(TRUE); -} - -/*********************************************************************//** -This is the general, and slower, routine for locking a record. This is a -low-level function which does NOT look at implicit locks! Checks lock -compatibility within explicit locks. This function sets a normal next-key -lock, or in the case of a page supremum record, a gap type lock. -@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ -static -ulint -lock_rec_lock_slow( -/*===============*/ - ibool impl, /*!< in: if TRUE, no lock is set - if no wait is necessary: we - assume that the caller will - set an implicit lock */ - ulint mode, /*!< in: lock mode: LOCK_X or - LOCK_S possibly ORed to either - LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of record */ - dict_index_t* index, /*!< in: index of record */ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - ulint err; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_S - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_X - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - ut_ad((LOCK_MODE_MASK & mode) == LOCK_S - || (LOCK_MODE_MASK & mode) == LOCK_X); - ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP - || mode - (LOCK_MODE_MASK & mode) == 0 - || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP); - - trx = thr_get_trx(thr); - - if (lock_rec_has_expl(mode, block, heap_no, trx)) { - /* The trx already has a strong enough lock on rec: do - nothing */ - - err = DB_SUCCESS; - } else if (lock_rec_other_has_conflicting(mode, block, heap_no, trx)) { - - /* If another transaction has a non-gap conflicting request in - the queue, as this transaction does not have a lock strong - enough already granted on the record, we have to wait. */ - - err = lock_rec_enqueue_waiting(mode, block, heap_no, - index, thr); - } else { - if (!impl) { - /* Set the requested lock on the record */ - - lock_rec_add_to_queue(LOCK_REC | mode, block, - heap_no, index, trx); - } - - err = DB_SUCCESS; - } - - return(err); -} - -/*********************************************************************//** -Tries to lock the specified record in the mode requested. If not immediately -possible, enqueues a waiting lock request. This is a low-level function -which does NOT look at implicit locks! Checks lock compatibility within -explicit locks. This function sets a normal next-key lock, or in the case -of a page supremum record, a gap type lock. -@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ -static -ulint -lock_rec_lock( -/*==========*/ - ibool impl, /*!< in: if TRUE, no lock is set - if no wait is necessary: we - assume that the caller will - set an implicit lock */ - ulint mode, /*!< in: lock mode: LOCK_X or - LOCK_S possibly ORed to either - LOCK_GAP or LOCK_REC_NOT_GAP */ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no,/*!< in: heap number of record */ - dict_index_t* index, /*!< in: index of record */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_S - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); - ut_ad((LOCK_MODE_MASK & mode) != LOCK_X - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - ut_ad((LOCK_MODE_MASK & mode) == LOCK_S - || (LOCK_MODE_MASK & mode) == LOCK_X); - ut_ad(mode - (LOCK_MODE_MASK & mode) == LOCK_GAP - || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP - || mode - (LOCK_MODE_MASK & mode) == 0); - - if (lock_rec_lock_fast(impl, mode, block, heap_no, index, thr)) { - - /* We try a simplified and faster subroutine for the most - common cases */ - - err = DB_SUCCESS; - } else { - err = lock_rec_lock_slow(impl, mode, block, - heap_no, index, thr); - } - - return(err); -} - -/*********************************************************************//** -Checks if a waiting record lock request still has to wait in a queue. -@return TRUE if still has to wait */ -static -ibool -lock_rec_has_to_wait_in_queue( -/*==========================*/ - lock_t* wait_lock) /*!< in: waiting record lock */ -{ - lock_t* lock; - ulint space; - ulint page_no; - ulint heap_no; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_wait(wait_lock)); - ut_ad(lock_get_type_low(wait_lock) == LOCK_REC); - - space = wait_lock->un_member.rec_lock.space; - page_no = wait_lock->un_member.rec_lock.page_no; - heap_no = lock_rec_find_set_bit(wait_lock); - - lock = lock_rec_get_first_on_page_addr(space, page_no); - - while (lock != wait_lock) { - - if (lock_rec_get_nth_bit(lock, heap_no) - && lock_has_to_wait(wait_lock, lock)) { - - return(TRUE); - } - - lock = lock_rec_get_next_on_page(lock); - } - - return(FALSE); -} - -/*************************************************************//** -Grants a lock to a waiting lock request and releases the waiting -transaction. */ -static -void -lock_grant( -/*=======*/ - lock_t* lock) /*!< in/out: waiting lock request */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - lock_reset_lock_and_trx_wait(lock); - - if (lock_get_mode(lock) == LOCK_AUTO_INC) { - trx_t* trx = lock->trx; - dict_table_t* table = lock->un_member.tab_lock.table; - - if (table->autoinc_trx == trx) { - fprintf(stderr, - "InnoDB: Error: trx already had" - " an AUTO-INC lock!\n"); - } else { - table->autoinc_trx = trx; - - ib_vector_push(trx->autoinc_locks, lock); - } - } - -#ifdef UNIV_DEBUG - if (lock_print_waits) { - fprintf(stderr, "Lock wait for trx %lu ends\n", - (ulong) ut_dulint_get_low(lock->trx->id)); - } -#endif /* UNIV_DEBUG */ - - /* If we are resolving a deadlock by choosing another transaction - as a victim, then our original transaction may not be in the - TRX_QUE_LOCK_WAIT state, and there is no need to end the lock wait - for it */ - - if (lock->trx->que_state == TRX_QUE_LOCK_WAIT) { - trx_end_lock_wait(lock->trx); - } -} - -/*************************************************************//** -Cancels a waiting record lock request and releases the waiting transaction -that requested it. NOTE: does NOT check if waiting lock requests behind this -one can now be granted! */ -static -void -lock_rec_cancel( -/*============*/ - lock_t* lock) /*!< in: waiting record lock request */ -{ - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - /* Reset the bit (there can be only one set bit) in the lock bitmap */ - lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit(lock)); - - /* Reset the wait flag and the back pointer to lock in trx */ - - lock_reset_lock_and_trx_wait(lock); - - /* The following function releases the trx from lock wait */ - - trx_end_lock_wait(lock->trx); -} - -/*************************************************************//** -Removes a record lock request, waiting or granted, from the queue and -grants locks to other transactions in the queue if they now are entitled -to a lock. NOTE: all record locks contained in in_lock are removed. */ -static -void -lock_rec_dequeue_from_page( -/*=======================*/ - lock_t* in_lock)/*!< in: record lock object: all record locks which - are contained in this lock object are removed; - transactions waiting behind will get their lock - requests granted, if they are now qualified to it */ -{ - ulint space; - ulint page_no; - lock_t* lock; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_type_low(in_lock) == LOCK_REC); - - trx = in_lock->trx; - - space = in_lock->un_member.rec_lock.space; - page_no = in_lock->un_member.rec_lock.page_no; - - HASH_DELETE(lock_t, hash, lock_sys->rec_hash, - lock_rec_fold(space, page_no), in_lock); - - UT_LIST_REMOVE(trx_locks, trx->trx_locks, in_lock); - - /* Check if waiting locks in the queue can now be granted: grant - locks if there are no conflicting locks ahead. */ - - lock = lock_rec_get_first_on_page_addr(space, page_no); - - while (lock != NULL) { - if (lock_get_wait(lock) - && !lock_rec_has_to_wait_in_queue(lock)) { - - /* Grant the lock */ - lock_grant(lock); - } - - lock = lock_rec_get_next_on_page(lock); - } -} - -/*************************************************************//** -Removes a record lock request, waiting or granted, from the queue. */ -static -void -lock_rec_discard( -/*=============*/ - lock_t* in_lock)/*!< in: record lock object: all record locks which - are contained in this lock object are removed */ -{ - ulint space; - ulint page_no; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_type_low(in_lock) == LOCK_REC); - - trx = in_lock->trx; - - space = in_lock->un_member.rec_lock.space; - page_no = in_lock->un_member.rec_lock.page_no; - - HASH_DELETE(lock_t, hash, lock_sys->rec_hash, - lock_rec_fold(space, page_no), in_lock); - - UT_LIST_REMOVE(trx_locks, trx->trx_locks, in_lock); -} - -/*************************************************************//** -Removes record lock objects set on an index page which is discarded. This -function does not move locks, or check for waiting locks, therefore the -lock bitmaps must already be reset when this function is called. */ -static -void -lock_rec_free_all_from_discard_page( -/*================================*/ - const buf_block_t* block) /*!< in: page to be discarded */ -{ - ulint space; - ulint page_no; - lock_t* lock; - lock_t* next_lock; - - ut_ad(mutex_own(&kernel_mutex)); - - space = buf_block_get_space(block); - page_no = buf_block_get_page_no(block); - - lock = lock_rec_get_first_on_page_addr(space, page_no); - - while (lock != NULL) { - ut_ad(lock_rec_find_set_bit(lock) == ULINT_UNDEFINED); - ut_ad(!lock_get_wait(lock)); - - next_lock = lock_rec_get_next_on_page(lock); - - lock_rec_discard(lock); - - lock = next_lock; - } -} - -/*============= RECORD LOCK MOVING AND INHERITING ===================*/ - -/*************************************************************//** -Resets the lock bits for a single record. Releases transactions waiting for -lock requests here. */ -static -void -lock_rec_reset_and_release_wait( -/*============================*/ - const buf_block_t* block, /*!< in: buffer block containing - the record */ - ulint heap_no)/*!< in: heap number of record */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = lock_rec_get_first(block, heap_no); - - while (lock != NULL) { - if (lock_get_wait(lock)) { - lock_rec_cancel(lock); - } else { - lock_rec_reset_nth_bit(lock, heap_no); - } - - lock = lock_rec_get_next(heap_no, lock); - } -} - -/*************************************************************//** -Makes a record to inherit the locks (except LOCK_INSERT_INTENTION type) -of another record as gap type locks, but does not reset the lock bits of -the other record. Also waiting lock requests on rec are inherited as -GRANTED gap locks. */ -static -void -lock_rec_inherit_to_gap( -/*====================*/ - const buf_block_t* heir_block, /*!< in: block containing the - record which inherits */ - const buf_block_t* block, /*!< in: block containing the - record from which inherited; - does NOT reset the locks on - this record */ - ulint heir_heap_no, /*!< in: heap_no of the - inheriting record */ - ulint heap_no) /*!< in: heap_no of the - donating record */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = lock_rec_get_first(block, heap_no); - - /* If srv_locks_unsafe_for_binlog is TRUE or session is using - READ COMMITTED isolation level, we do not want locks set - by an UPDATE or a DELETE to be inherited as gap type locks. But we - DO want S-locks set by a consistency constraint to be inherited also - then. */ - - while (lock != NULL) { - if (!lock_rec_get_insert_intention(lock) - && !((srv_locks_unsafe_for_binlog - || lock->trx->isolation_level - == TRX_ISO_READ_COMMITTED) - && lock_get_mode(lock) == LOCK_X)) { - - lock_rec_add_to_queue(LOCK_REC | LOCK_GAP - | lock_get_mode(lock), - heir_block, heir_heap_no, - lock->index, lock->trx); - } - - lock = lock_rec_get_next(heap_no, lock); - } -} - -/*************************************************************//** -Makes a record to inherit the gap locks (except LOCK_INSERT_INTENTION type) -of another record as gap type locks, but does not reset the lock bits of the -other record. Also waiting lock requests are inherited as GRANTED gap locks. */ -static -void -lock_rec_inherit_to_gap_if_gap_lock( -/*================================*/ - const buf_block_t* block, /*!< in: buffer block */ - ulint heir_heap_no, /*!< in: heap_no of - record which inherits */ - ulint heap_no) /*!< in: heap_no of record - from which inherited; - does NOT reset the locks - on this record */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = lock_rec_get_first(block, heap_no); - - while (lock != NULL) { - if (!lock_rec_get_insert_intention(lock) - && (heap_no == PAGE_HEAP_NO_SUPREMUM - || !lock_rec_get_rec_not_gap(lock))) { - - lock_rec_add_to_queue(LOCK_REC | LOCK_GAP - | lock_get_mode(lock), - block, heir_heap_no, - lock->index, lock->trx); - } - - lock = lock_rec_get_next(heap_no, lock); - } -} - -/*************************************************************//** -Moves the locks of a record to another record and resets the lock bits of -the donating record. */ -static -void -lock_rec_move( -/*==========*/ - const buf_block_t* receiver, /*!< in: buffer block containing - the receiving record */ - const buf_block_t* donator, /*!< in: buffer block containing - the donating record */ - ulint receiver_heap_no,/*!< in: heap_no of the record - which gets the locks; there - must be no lock requests - on it! */ - ulint donator_heap_no)/*!< in: heap_no of the record - which gives the locks */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = lock_rec_get_first(donator, donator_heap_no); - - ut_ad(lock_rec_get_first(receiver, receiver_heap_no) == NULL); - - while (lock != NULL) { - const ulint type_mode = lock->type_mode; - - lock_rec_reset_nth_bit(lock, donator_heap_no); - - if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { - lock_reset_lock_and_trx_wait(lock); - } - - /* Note that we FIRST reset the bit, and then set the lock: - the function works also if donator == receiver */ - - lock_rec_add_to_queue(type_mode, receiver, receiver_heap_no, - lock->index, lock->trx); - lock = lock_rec_get_next(donator_heap_no, lock); - } - - ut_ad(lock_rec_get_first(donator, donator_heap_no) == NULL); -} - -/*************************************************************//** -Updates the lock table when we have reorganized a page. NOTE: we copy -also the locks set on the infimum of the page; the infimum may carry -locks if an update of a record is occurring on the page, and its locks -were temporarily stored on the infimum. */ -UNIV_INTERN -void -lock_move_reorganize_page( -/*======================*/ - const buf_block_t* block, /*!< in: old index page, now - reorganized */ - const buf_block_t* oblock) /*!< in: copy of the old, not - reorganized page */ -{ - lock_t* lock; - UT_LIST_BASE_NODE_T(lock_t) old_locks; - mem_heap_t* heap = NULL; - ulint comp; - - lock_mutex_enter_kernel(); - - lock = lock_rec_get_first_on_page(block); - - if (lock == NULL) { - lock_mutex_exit_kernel(); - - return; - } - - heap = mem_heap_create(256); - - /* Copy first all the locks on the page to heap and reset the - bitmaps in the original locks; chain the copies of the locks - using the trx_locks field in them. */ - - UT_LIST_INIT(old_locks); - - do { - /* Make a copy of the lock */ - lock_t* old_lock = lock_rec_copy(lock, heap); - - UT_LIST_ADD_LAST(trx_locks, old_locks, old_lock); - - /* Reset bitmap of lock */ - lock_rec_bitmap_reset(lock); - - if (lock_get_wait(lock)) { - lock_reset_lock_and_trx_wait(lock); - } - - lock = lock_rec_get_next_on_page(lock); - } while (lock != NULL); - - comp = page_is_comp(block->frame); - ut_ad(comp == page_is_comp(oblock->frame)); - - for (lock = UT_LIST_GET_FIRST(old_locks); lock; - lock = UT_LIST_GET_NEXT(trx_locks, lock)) { - /* NOTE: we copy also the locks set on the infimum and - supremum of the page; the infimum may carry locks if an - update of a record is occurring on the page, and its locks - were temporarily stored on the infimum */ - page_cur_t cur1; - page_cur_t cur2; - - page_cur_set_before_first(block, &cur1); - page_cur_set_before_first(oblock, &cur2); - - /* Set locks according to old locks */ - for (;;) { - ulint old_heap_no; - ulint new_heap_no; - - ut_ad(comp || !memcmp(page_cur_get_rec(&cur1), - page_cur_get_rec(&cur2), - rec_get_data_size_old( - page_cur_get_rec( - &cur2)))); - if (UNIV_LIKELY(comp)) { - old_heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur2)); - new_heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur1)); - } else { - old_heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur2)); - new_heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur1)); - } - - if (lock_rec_get_nth_bit(lock, old_heap_no)) { - - /* Clear the bit in old_lock. */ - ut_d(lock_rec_reset_nth_bit(lock, - old_heap_no)); - - /* NOTE that the old lock bitmap could be too - small for the new heap number! */ - - lock_rec_add_to_queue(lock->type_mode, block, - new_heap_no, - lock->index, lock->trx); - - /* if (new_heap_no == PAGE_HEAP_NO_SUPREMUM - && lock_get_wait(lock)) { - fprintf(stderr, - "---\n--\n!!!Lock reorg: supr type %lu\n", - lock->type_mode); - } */ - } - - if (UNIV_UNLIKELY - (new_heap_no == PAGE_HEAP_NO_SUPREMUM)) { - - ut_ad(old_heap_no == PAGE_HEAP_NO_SUPREMUM); - break; - } - - page_cur_move_to_next(&cur1); - page_cur_move_to_next(&cur2); - } - -#ifdef UNIV_DEBUG - { - ulint i = lock_rec_find_set_bit(lock); - - /* Check that all locks were moved. */ - if (UNIV_UNLIKELY(i != ULINT_UNDEFINED)) { - fprintf(stderr, - "lock_move_reorganize_page():" - " %lu not moved in %p\n", - (ulong) i, (void*) lock); - ut_error; - } - } -#endif /* UNIV_DEBUG */ - } - - lock_mutex_exit_kernel(); - - mem_heap_free(heap); - -#ifdef UNIV_DEBUG_LOCK_VALIDATE - ut_ad(lock_rec_validate_page(buf_block_get_space(block), - buf_block_get_zip_size(block), - buf_block_get_page_no(block))); -#endif -} - -/*************************************************************//** -Moves the explicit locks on user records to another page if a record -list end is moved to another page. */ -UNIV_INTERN -void -lock_move_rec_list_end( -/*===================*/ - const buf_block_t* new_block, /*!< in: index page to move to */ - const buf_block_t* block, /*!< in: index page */ - const rec_t* rec) /*!< in: record on page: this - is the first record moved */ -{ - lock_t* lock; - const ulint comp = page_rec_is_comp(rec); - - lock_mutex_enter_kernel(); - - /* Note: when we move locks from record to record, waiting locks - and possible granted gap type locks behind them are enqueued in - the original order, because new elements are inserted to a hash - table to the end of the hash chain, and lock_rec_add_to_queue - does not reuse locks if there are waiters in the queue. */ - - for (lock = lock_rec_get_first_on_page(block); lock; - lock = lock_rec_get_next_on_page(lock)) { - page_cur_t cur1; - page_cur_t cur2; - const ulint type_mode = lock->type_mode; - - page_cur_position(rec, block, &cur1); - - if (page_cur_is_before_first(&cur1)) { - page_cur_move_to_next(&cur1); - } - - page_cur_set_before_first(new_block, &cur2); - page_cur_move_to_next(&cur2); - - /* Copy lock requests on user records to new page and - reset the lock bits on the old */ - - while (!page_cur_is_after_last(&cur1)) { - ulint heap_no; - - if (comp) { - heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur1)); - } else { - heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur1)); - ut_ad(!memcmp(page_cur_get_rec(&cur1), - page_cur_get_rec(&cur2), - rec_get_data_size_old( - page_cur_get_rec(&cur2)))); - } - - if (lock_rec_get_nth_bit(lock, heap_no)) { - lock_rec_reset_nth_bit(lock, heap_no); - - if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { - lock_reset_lock_and_trx_wait(lock); - } - - if (comp) { - heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur2)); - } else { - heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur2)); - } - - lock_rec_add_to_queue(type_mode, - new_block, heap_no, - lock->index, lock->trx); - } - - page_cur_move_to_next(&cur1); - page_cur_move_to_next(&cur2); - } - } - - lock_mutex_exit_kernel(); - -#ifdef UNIV_DEBUG_LOCK_VALIDATE - ut_ad(lock_rec_validate_page(buf_block_get_space(block), - buf_block_get_zip_size(block), - buf_block_get_page_no(block))); - ut_ad(lock_rec_validate_page(buf_block_get_space(new_block), - buf_block_get_zip_size(block), - buf_block_get_page_no(new_block))); -#endif -} - -/*************************************************************//** -Moves the explicit locks on user records to another page if a record -list start is moved to another page. */ -UNIV_INTERN -void -lock_move_rec_list_start( -/*=====================*/ - const buf_block_t* new_block, /*!< in: index page to move to */ - const buf_block_t* block, /*!< in: index page */ - const rec_t* rec, /*!< in: record on page: - this is the first - record NOT copied */ - const rec_t* old_end) /*!< in: old - previous-to-last - record on new_page - before the records - were copied */ -{ - lock_t* lock; - const ulint comp = page_rec_is_comp(rec); - - ut_ad(block->frame == page_align(rec)); - ut_ad(new_block->frame == page_align(old_end)); - - lock_mutex_enter_kernel(); - - for (lock = lock_rec_get_first_on_page(block); lock; - lock = lock_rec_get_next_on_page(lock)) { - page_cur_t cur1; - page_cur_t cur2; - const ulint type_mode = lock->type_mode; - - page_cur_set_before_first(block, &cur1); - page_cur_move_to_next(&cur1); - - page_cur_position(old_end, new_block, &cur2); - page_cur_move_to_next(&cur2); - - /* Copy lock requests on user records to new page and - reset the lock bits on the old */ - - while (page_cur_get_rec(&cur1) != rec) { - ulint heap_no; - - if (comp) { - heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur1)); - } else { - heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur1)); - ut_ad(!memcmp(page_cur_get_rec(&cur1), - page_cur_get_rec(&cur2), - rec_get_data_size_old( - page_cur_get_rec( - &cur2)))); - } - - if (lock_rec_get_nth_bit(lock, heap_no)) { - lock_rec_reset_nth_bit(lock, heap_no); - - if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { - lock_reset_lock_and_trx_wait(lock); - } - - if (comp) { - heap_no = rec_get_heap_no_new( - page_cur_get_rec(&cur2)); - } else { - heap_no = rec_get_heap_no_old( - page_cur_get_rec(&cur2)); - } - - lock_rec_add_to_queue(type_mode, - new_block, heap_no, - lock->index, lock->trx); - } - - page_cur_move_to_next(&cur1); - page_cur_move_to_next(&cur2); - } - -#ifdef UNIV_DEBUG - if (page_rec_is_supremum(rec)) { - ulint i; - - for (i = PAGE_HEAP_NO_USER_LOW; - i < lock_rec_get_n_bits(lock); i++) { - if (UNIV_UNLIKELY - (lock_rec_get_nth_bit(lock, i))) { - - fprintf(stderr, - "lock_move_rec_list_start():" - " %lu not moved in %p\n", - (ulong) i, (void*) lock); - ut_error; - } - } - } -#endif /* UNIV_DEBUG */ - } - - lock_mutex_exit_kernel(); - -#ifdef UNIV_DEBUG_LOCK_VALIDATE - ut_ad(lock_rec_validate_page(buf_block_get_space(block), - buf_block_get_zip_size(block), - buf_block_get_page_no(block))); -#endif -} - -/*************************************************************//** -Updates the lock table when a page is split to the right. */ -UNIV_INTERN -void -lock_update_split_right( -/*====================*/ - const buf_block_t* right_block, /*!< in: right page */ - const buf_block_t* left_block) /*!< in: left page */ -{ - ulint heap_no = lock_get_min_heap_no(right_block); - - lock_mutex_enter_kernel(); - - /* Move the locks on the supremum of the left page to the supremum - of the right page */ - - lock_rec_move(right_block, left_block, - PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); - - /* Inherit the locks to the supremum of left page from the successor - of the infimum on right page */ - - lock_rec_inherit_to_gap(left_block, right_block, - PAGE_HEAP_NO_SUPREMUM, heap_no); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a page is merged to the right. */ -UNIV_INTERN -void -lock_update_merge_right( -/*====================*/ - const buf_block_t* right_block, /*!< in: right page to - which merged */ - const rec_t* orig_succ, /*!< in: original - successor of infimum - on the right page - before merge */ - const buf_block_t* left_block) /*!< in: merged index - page which will be - discarded */ -{ - lock_mutex_enter_kernel(); - - /* Inherit the locks from the supremum of the left page to the - original successor of infimum on the right page, to which the left - page was merged */ - - lock_rec_inherit_to_gap(right_block, left_block, - page_rec_get_heap_no(orig_succ), - PAGE_HEAP_NO_SUPREMUM); - - /* Reset the locks on the supremum of the left page, releasing - waiting transactions */ - - lock_rec_reset_and_release_wait(left_block, - PAGE_HEAP_NO_SUPREMUM); - - lock_rec_free_all_from_discard_page(left_block); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when the root page is copied to another in -btr_root_raise_and_insert. Note that we leave lock structs on the -root page, even though they do not make sense on other than leaf -pages: the reason is that in a pessimistic update the infimum record -of the root page will act as a dummy carrier of the locks of the record -to be updated. */ -UNIV_INTERN -void -lock_update_root_raise( -/*===================*/ - const buf_block_t* block, /*!< in: index page to which copied */ - const buf_block_t* root) /*!< in: root page */ -{ - lock_mutex_enter_kernel(); - - /* Move the locks on the supremum of the root to the supremum - of block */ - - lock_rec_move(block, root, - PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a page is copied to another and the original page -is removed from the chain of leaf pages, except if page is the root! */ -UNIV_INTERN -void -lock_update_copy_and_discard( -/*=========================*/ - const buf_block_t* new_block, /*!< in: index page to - which copied */ - const buf_block_t* block) /*!< in: index page; - NOT the root! */ -{ - lock_mutex_enter_kernel(); - - /* Move the locks on the supremum of the old page to the supremum - of new_page */ - - lock_rec_move(new_block, block, - PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); - lock_rec_free_all_from_discard_page(block); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a page is split to the left. */ -UNIV_INTERN -void -lock_update_split_left( -/*===================*/ - const buf_block_t* right_block, /*!< in: right page */ - const buf_block_t* left_block) /*!< in: left page */ -{ - ulint heap_no = lock_get_min_heap_no(right_block); - - lock_mutex_enter_kernel(); - - /* Inherit the locks to the supremum of the left page from the - successor of the infimum on the right page */ - - lock_rec_inherit_to_gap(left_block, right_block, - PAGE_HEAP_NO_SUPREMUM, heap_no); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a page is merged to the left. */ -UNIV_INTERN -void -lock_update_merge_left( -/*===================*/ - const buf_block_t* left_block, /*!< in: left page to - which merged */ - const rec_t* orig_pred, /*!< in: original predecessor - of supremum on the left page - before merge */ - const buf_block_t* right_block) /*!< in: merged index page - which will be discarded */ -{ - const rec_t* left_next_rec; - - ut_ad(left_block->frame == page_align(orig_pred)); - - lock_mutex_enter_kernel(); - - left_next_rec = page_rec_get_next_const(orig_pred); - - if (!page_rec_is_supremum(left_next_rec)) { - - /* Inherit the locks on the supremum of the left page to the - first record which was moved from the right page */ - - lock_rec_inherit_to_gap(left_block, left_block, - page_rec_get_heap_no(left_next_rec), - PAGE_HEAP_NO_SUPREMUM); - - /* Reset the locks on the supremum of the left page, - releasing waiting transactions */ - - lock_rec_reset_and_release_wait(left_block, - PAGE_HEAP_NO_SUPREMUM); - } - - /* Move the locks from the supremum of right page to the supremum - of the left page */ - - lock_rec_move(left_block, right_block, - PAGE_HEAP_NO_SUPREMUM, PAGE_HEAP_NO_SUPREMUM); - - lock_rec_free_all_from_discard_page(right_block); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Resets the original locks on heir and replaces them with gap type locks -inherited from rec. */ -UNIV_INTERN -void -lock_rec_reset_and_inherit_gap_locks( -/*=================================*/ - const buf_block_t* heir_block, /*!< in: block containing the - record which inherits */ - const buf_block_t* block, /*!< in: block containing the - record from which inherited; - does NOT reset the locks on - this record */ - ulint heir_heap_no, /*!< in: heap_no of the - inheriting record */ - ulint heap_no) /*!< in: heap_no of the - donating record */ -{ - mutex_enter(&kernel_mutex); - - lock_rec_reset_and_release_wait(heir_block, heir_heap_no); - - lock_rec_inherit_to_gap(heir_block, block, heir_heap_no, heap_no); - - mutex_exit(&kernel_mutex); -} - -/*************************************************************//** -Updates the lock table when a page is discarded. */ -UNIV_INTERN -void -lock_update_discard( -/*================*/ - const buf_block_t* heir_block, /*!< in: index page - which will inherit the locks */ - ulint heir_heap_no, /*!< in: heap_no of the record - which will inherit the locks */ - const buf_block_t* block) /*!< in: index page - which will be discarded */ -{ - const page_t* page = block->frame; - const rec_t* rec; - ulint heap_no; - - lock_mutex_enter_kernel(); - - if (!lock_rec_get_first_on_page(block)) { - /* No locks exist on page, nothing to do */ - - lock_mutex_exit_kernel(); - - return; - } - - /* Inherit all the locks on the page to the record and reset all - the locks on the page */ - - if (page_is_comp(page)) { - rec = page + PAGE_NEW_INFIMUM; - - do { - heap_no = rec_get_heap_no_new(rec); - - lock_rec_inherit_to_gap(heir_block, block, - heir_heap_no, heap_no); - - lock_rec_reset_and_release_wait(block, heap_no); - - rec = page + rec_get_next_offs(rec, TRUE); - } while (heap_no != PAGE_HEAP_NO_SUPREMUM); - } else { - rec = page + PAGE_OLD_INFIMUM; - - do { - heap_no = rec_get_heap_no_old(rec); - - lock_rec_inherit_to_gap(heir_block, block, - heir_heap_no, heap_no); - - lock_rec_reset_and_release_wait(block, heap_no); - - rec = page + rec_get_next_offs(rec, FALSE); - } while (heap_no != PAGE_HEAP_NO_SUPREMUM); - } - - lock_rec_free_all_from_discard_page(block); - - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a new user record is inserted. */ -UNIV_INTERN -void -lock_update_insert( -/*===============*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec) /*!< in: the inserted record */ -{ - ulint receiver_heap_no; - ulint donator_heap_no; - - ut_ad(block->frame == page_align(rec)); - - /* Inherit the gap-locking locks for rec, in gap mode, from the next - record */ - - if (page_rec_is_comp(rec)) { - receiver_heap_no = rec_get_heap_no_new(rec); - donator_heap_no = rec_get_heap_no_new( - page_rec_get_next_low(rec, TRUE)); - } else { - receiver_heap_no = rec_get_heap_no_old(rec); - donator_heap_no = rec_get_heap_no_old( - page_rec_get_next_low(rec, FALSE)); - } - - lock_mutex_enter_kernel(); - lock_rec_inherit_to_gap_if_gap_lock(block, - receiver_heap_no, donator_heap_no); - lock_mutex_exit_kernel(); -} - -/*************************************************************//** -Updates the lock table when a record is removed. */ -UNIV_INTERN -void -lock_update_delete( -/*===============*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec) /*!< in: the record to be removed */ -{ - const page_t* page = block->frame; - ulint heap_no; - ulint next_heap_no; - - ut_ad(page == page_align(rec)); - - if (page_is_comp(page)) { - heap_no = rec_get_heap_no_new(rec); - next_heap_no = rec_get_heap_no_new(page - + rec_get_next_offs(rec, - TRUE)); - } else { - heap_no = rec_get_heap_no_old(rec); - next_heap_no = rec_get_heap_no_old(page - + rec_get_next_offs(rec, - FALSE)); - } - - lock_mutex_enter_kernel(); - - /* Let the next record inherit the locks from rec, in gap mode */ - - lock_rec_inherit_to_gap(block, block, next_heap_no, heap_no); - - /* Reset the lock bits on rec and release waiting transactions */ - - lock_rec_reset_and_release_wait(block, heap_no); - - lock_mutex_exit_kernel(); -} - -/*********************************************************************//** -Stores on the page infimum record the explicit locks of another record. -This function is used to store the lock state of a record when it is -updated and the size of the record changes in the update. The record -is moved in such an update, perhaps to another page. The infimum record -acts as a dummy carrier record, taking care of lock releases while the -actual record is being moved. */ -UNIV_INTERN -void -lock_rec_store_on_page_infimum( -/*===========================*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec) /*!< in: record whose lock state - is stored on the infimum - record of the same page; lock - bits are reset on the - record */ -{ - ulint heap_no = page_rec_get_heap_no(rec); - - ut_ad(block->frame == page_align(rec)); - - lock_mutex_enter_kernel(); - - lock_rec_move(block, block, PAGE_HEAP_NO_INFIMUM, heap_no); - - lock_mutex_exit_kernel(); -} - -/*********************************************************************//** -Restores the state of explicit lock requests on a single record, where the -state was stored on the infimum of the page. */ -UNIV_INTERN -void -lock_rec_restore_from_page_infimum( -/*===============================*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec, /*!< in: record whose lock state - is restored */ - const buf_block_t* donator)/*!< in: page (rec is not - necessarily on this page) - whose infimum stored the lock - state; lock bits are reset on - the infimum */ -{ - ulint heap_no = page_rec_get_heap_no(rec); - - lock_mutex_enter_kernel(); - - lock_rec_move(block, donator, heap_no, PAGE_HEAP_NO_INFIMUM); - - lock_mutex_exit_kernel(); -} - -/*=========== DEADLOCK CHECKING ======================================*/ - -/********************************************************************//** -Checks if a lock request results in a deadlock. -@return TRUE if a deadlock was detected and we chose trx as a victim; -FALSE if no deadlock, or there was a deadlock, but we chose other -transaction(s) as victim(s) */ -static -ibool -lock_deadlock_occurs( -/*=================*/ - lock_t* lock, /*!< in: lock the transaction is requesting */ - trx_t* trx) /*!< in: transaction */ -{ - trx_t* mark_trx; - ulint ret; - ulint cost = 0; - - ut_ad(trx); - ut_ad(lock); - ut_ad(mutex_own(&kernel_mutex)); -retry: - /* We check that adding this trx to the waits-for graph - does not produce a cycle. First mark all active transactions - with 0: */ - - mark_trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (mark_trx) { - mark_trx->deadlock_mark = 0; - mark_trx = UT_LIST_GET_NEXT(trx_list, mark_trx); - } - - ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0); - - switch (ret) { - case LOCK_VICTIM_IS_OTHER: - /* We chose some other trx as a victim: retry if there still - is a deadlock */ - goto retry; - - case LOCK_EXCEED_MAX_DEPTH: - /* If the lock search exceeds the max step - or the max depth, the current trx will be - the victim. Print its information. */ - rewind(lock_latest_err_file); - ut_print_timestamp(lock_latest_err_file); - - fputs("TOO DEEP OR LONG SEARCH IN THE LOCK TABLE" - " WAITS-FOR GRAPH, WE WILL ROLL BACK" - " FOLLOWING TRANSACTION \n", - lock_latest_err_file); - - fputs("\n*** TRANSACTION:\n", lock_latest_err_file); - trx_print(lock_latest_err_file, trx, 3000); - - fputs("*** WAITING FOR THIS LOCK TO BE GRANTED:\n", - lock_latest_err_file); - - if (lock_get_type(lock) == LOCK_REC) { - lock_rec_print(lock_latest_err_file, lock); - } else { - lock_table_print(lock_latest_err_file, lock); - } - break; - - case LOCK_VICTIM_IS_START: - fputs("*** WE ROLL BACK TRANSACTION (2)\n", - lock_latest_err_file); - break; - - default: - /* No deadlock detected*/ - return(FALSE); - } - - lock_deadlock_found = TRUE; - - return(TRUE); -} - -/********************************************************************//** -Looks recursively for a deadlock. -@return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a -deadlock and we chose 'start' as the victim, LOCK_VICTIM_IS_OTHER if a -deadlock was found and we chose some other trx as a victim: we must do -the search again in this last case because there may be another -deadlock! -LOCK_EXCEED_MAX_DEPTH if the lock search exceeds max steps or max depth. */ -static -ulint -lock_deadlock_recursive( -/*====================*/ - trx_t* start, /*!< in: recursion starting point */ - trx_t* trx, /*!< in: a transaction waiting for a lock */ - lock_t* wait_lock, /*!< in: lock that is waiting to be granted */ - ulint* cost, /*!< in/out: number of calculation steps thus - far: if this exceeds LOCK_MAX_N_STEPS_... - we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth) /*!< in: recursion depth: if this exceeds - LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we - return LOCK_EXCEED_MAX_DEPTH */ -{ - ulint ret; - lock_t* lock; - trx_t* lock_trx; - ulint heap_no = ULINT_UNDEFINED; - - ut_a(trx); - ut_a(start); - ut_a(wait_lock); - ut_ad(mutex_own(&kernel_mutex)); - - if (trx->deadlock_mark == 1) { - /* We have already exhaustively searched the subtree starting - from this trx */ - - return(0); - } - - *cost = *cost + 1; - - if (lock_get_type_low(wait_lock) == LOCK_REC) { - ulint space; - ulint page_no; - - heap_no = lock_rec_find_set_bit(wait_lock); - ut_a(heap_no != ULINT_UNDEFINED); - - space = wait_lock->un_member.rec_lock.space; - page_no = wait_lock->un_member.rec_lock.page_no; - - lock = lock_rec_get_first_on_page_addr(space, page_no); - - /* Position the iterator on the first matching record lock. */ - while (lock != NULL - && lock != wait_lock - && !lock_rec_get_nth_bit(lock, heap_no)) { - - lock = lock_rec_get_next_on_page(lock); - } - - if (lock == wait_lock) { - lock = NULL; - } - - ut_ad(lock == NULL || lock_rec_get_nth_bit(lock, heap_no)); - - } else { - lock = wait_lock; - } - - /* Look at the locks ahead of wait_lock in the lock queue */ - - for (;;) { - /* Get previous table lock. */ - if (heap_no == ULINT_UNDEFINED) { - - lock = UT_LIST_GET_PREV( - un_member.tab_lock.locks, lock); - } - - if (lock == NULL) { - /* We can mark this subtree as searched */ - trx->deadlock_mark = 1; - - return(FALSE); - } - - if (lock_has_to_wait(wait_lock, lock)) { - - ibool too_far - = depth > LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK - || *cost > LOCK_MAX_N_STEPS_IN_DEADLOCK_CHECK; - - lock_trx = lock->trx; - - if (lock_trx == start) { - - /* We came back to the recursion starting - point: a deadlock detected; or we have - searched the waits-for graph too long */ - - FILE* ef = lock_latest_err_file; - - rewind(ef); - ut_print_timestamp(ef); - - fputs("\n*** (1) TRANSACTION:\n", ef); - - trx_print(ef, wait_lock->trx, 3000); - - fputs("*** (1) WAITING FOR THIS LOCK" - " TO BE GRANTED:\n", ef); - - if (lock_get_type_low(wait_lock) == LOCK_REC) { - lock_rec_print(ef, wait_lock); - } else { - lock_table_print(ef, wait_lock); - } - - fputs("*** (2) TRANSACTION:\n", ef); - - trx_print(ef, lock->trx, 3000); - - fputs("*** (2) HOLDS THE LOCK(S):\n", ef); - - if (lock_get_type_low(lock) == LOCK_REC) { - lock_rec_print(ef, lock); - } else { - lock_table_print(ef, lock); - } - - fputs("*** (2) WAITING FOR THIS LOCK" - " TO BE GRANTED:\n", ef); - - if (lock_get_type_low(start->wait_lock) - == LOCK_REC) { - lock_rec_print(ef, start->wait_lock); - } else { - lock_table_print(ef, start->wait_lock); - } -#ifdef UNIV_DEBUG - if (lock_print_waits) { - fputs("Deadlock detected\n", - stderr); - } -#endif /* UNIV_DEBUG */ - - if (trx_weight_cmp(wait_lock->trx, - start) >= 0) { - /* Our recursion starting point - transaction is 'smaller', let us - choose 'start' as the victim and roll - back it */ - - return(LOCK_VICTIM_IS_START); - } - - lock_deadlock_found = TRUE; - - /* Let us choose the transaction of wait_lock - as a victim to try to avoid deadlocking our - recursion starting point transaction */ - - fputs("*** WE ROLL BACK TRANSACTION (1)\n", - ef); - - wait_lock->trx->was_chosen_as_deadlock_victim - = TRUE; - - lock_cancel_waiting_and_release(wait_lock); - - /* Since trx and wait_lock are no longer - in the waits-for graph, we can return FALSE; - note that our selective algorithm can choose - several transactions as victims, but still - we may end up rolling back also the recursion - starting point transaction! */ - - return(LOCK_VICTIM_IS_OTHER); - } - - if (too_far) { - -#ifdef UNIV_DEBUG - if (lock_print_waits) { - fputs("Deadlock search exceeds" - " max steps or depth.\n", - stderr); - } -#endif /* UNIV_DEBUG */ - /* The information about transaction/lock - to be rolled back is available in the top - level. Do not print anything here. */ - return(LOCK_EXCEED_MAX_DEPTH); - } - - if (lock_trx->que_state == TRX_QUE_LOCK_WAIT) { - - /* Another trx ahead has requested lock in an - incompatible mode, and is itself waiting for - a lock */ - - ret = lock_deadlock_recursive( - start, lock_trx, - lock_trx->wait_lock, cost, depth + 1); - - if (ret != 0) { - - return(ret); - } - } - } - /* Get the next record lock to check. */ - if (heap_no != ULINT_UNDEFINED) { - - ut_a(lock != NULL); - - do { - lock = lock_rec_get_next_on_page(lock); - } while (lock != NULL - && lock != wait_lock - && !lock_rec_get_nth_bit(lock, heap_no)); - - if (lock == wait_lock) { - lock = NULL; - } - } - }/* end of the 'for (;;)'-loop */ -} - -/*========================= TABLE LOCKS ==============================*/ - -/*********************************************************************//** -Creates a table lock object and adds it as the last in the lock queue -of the table. Does NOT check for deadlocks or lock compatibility. -@return own: new lock object */ -UNIV_INLINE -lock_t* -lock_table_create( -/*==============*/ - dict_table_t* table, /*!< in: database table in dictionary cache */ - ulint type_mode,/*!< in: lock mode possibly ORed with - LOCK_WAIT */ - trx_t* trx) /*!< in: trx */ -{ - lock_t* lock; - - ut_ad(table && trx); - ut_ad(mutex_own(&kernel_mutex)); - - if ((type_mode & LOCK_MODE_MASK) == LOCK_AUTO_INC) { - ++table->n_waiting_or_granted_auto_inc_locks; - } - - /* For AUTOINC locking we reuse the lock instance only if - there is no wait involved else we allocate the waiting lock - from the transaction lock heap. */ - if (type_mode == LOCK_AUTO_INC) { - - lock = table->autoinc_lock; - - table->autoinc_trx = trx; - - ib_vector_push(trx->autoinc_locks, lock); - } else { - lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t)); - } - - UT_LIST_ADD_LAST(trx_locks, trx->trx_locks, lock); - - lock->type_mode = type_mode | LOCK_TABLE; - lock->trx = trx; - - lock->un_member.tab_lock.table = table; - - UT_LIST_ADD_LAST(un_member.tab_lock.locks, table->locks, lock); - - if (UNIV_UNLIKELY(type_mode & LOCK_WAIT)) { - - lock_set_lock_and_trx_wait(lock, trx); - } - - return(lock); -} - -/*************************************************************//** -Removes a table lock request from the queue and the trx list of locks; -this is a low-level function which does NOT check if waiting requests -can now be granted. */ -UNIV_INLINE -void -lock_table_remove_low( -/*==================*/ - lock_t* lock) /*!< in: table lock */ -{ - trx_t* trx; - dict_table_t* table; - - ut_ad(mutex_own(&kernel_mutex)); - - trx = lock->trx; - table = lock->un_member.tab_lock.table; - - /* Remove the table from the transaction's AUTOINC vector, if - the lock that is being release is an AUTOINC lock. */ - if (lock_get_mode(lock) == LOCK_AUTO_INC) { - - /* The table's AUTOINC lock can get transferred to - another transaction before we get here. */ - if (table->autoinc_trx == trx) { - table->autoinc_trx = NULL; - } - - /* The locks must be freed in the reverse order from - the one in which they were acquired. This is to avoid - traversing the AUTOINC lock vector unnecessarily. - - We only store locks that were granted in the - trx->autoinc_locks vector (see lock_table_create() - and lock_grant()). Therefore it can be empty and we - need to check for that. */ - - if (!lock_get_wait(lock) - && !ib_vector_is_empty(trx->autoinc_locks)) { - lock_t* autoinc_lock; - - autoinc_lock = ib_vector_pop(trx->autoinc_locks); - ut_a(autoinc_lock == lock); - } - - ut_a(table->n_waiting_or_granted_auto_inc_locks > 0); - --table->n_waiting_or_granted_auto_inc_locks; - } - - UT_LIST_REMOVE(trx_locks, trx->trx_locks, lock); - UT_LIST_REMOVE(un_member.tab_lock.locks, table->locks, lock); -} - -/*********************************************************************//** -Enqueues a waiting request for a table lock which cannot be granted -immediately. Checks for deadlocks. -@return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or -DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another -transaction was chosen as a victim, and we got the lock immediately: -no need to wait then */ -static -ulint -lock_table_enqueue_waiting( -/*=======================*/ - ulint mode, /*!< in: lock mode this transaction is - requesting */ - dict_table_t* table, /*!< in: table */ - que_thr_t* thr) /*!< in: query thread */ -{ - lock_t* lock; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - - /* Test if there already is some other reason to suspend thread: - we do not enqueue a lock request if the query thread should be - stopped anyway */ - - if (que_thr_stop(thr)) { - ut_error; - - return(DB_QUE_THR_SUSPENDED); - } - - trx = thr_get_trx(thr); - - switch (trx_get_dict_operation(trx)) { - case TRX_DICT_OP_NONE: - break; - case TRX_DICT_OP_TABLE: - case TRX_DICT_OP_INDEX: - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: a table lock wait happens" - " in a dictionary operation!\n" - "InnoDB: Table name ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs(".\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", - stderr); - } - - /* Enqueue the lock request that will wait to be granted */ - - lock = lock_table_create(table, mode | LOCK_WAIT, trx); - - /* Check if a deadlock occurs: if yes, remove the lock request and - return an error code */ - - if (lock_deadlock_occurs(lock, trx)) { - - /* The order here is important, we don't want to - lose the state of the lock before calling remove. */ - lock_table_remove_low(lock); - lock_reset_lock_and_trx_wait(lock); - - return(DB_DEADLOCK); - } - - if (trx->wait_lock == NULL) { - /* Deadlock resolution chose another transaction as a victim, - and we accidentally got our lock granted! */ - - return(DB_SUCCESS); - } - - trx->que_state = TRX_QUE_LOCK_WAIT; - trx->was_chosen_as_deadlock_victim = FALSE; - trx->wait_started = time(NULL); - - ut_a(que_thr_stop(thr)); - - return(DB_LOCK_WAIT); -} - -/*********************************************************************//** -Checks if other transactions have an incompatible mode lock request in -the lock queue. -@return lock or NULL */ -UNIV_INLINE -lock_t* -lock_table_other_has_incompatible( -/*==============================*/ - trx_t* trx, /*!< in: transaction, or NULL if all - transactions should be included */ - ulint wait, /*!< in: LOCK_WAIT if also waiting locks are - taken into account, or 0 if not */ - dict_table_t* table, /*!< in: table */ - enum lock_mode mode) /*!< in: lock mode */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = UT_LIST_GET_LAST(table->locks); - - while (lock != NULL) { - - if ((lock->trx != trx) - && (!lock_mode_compatible(lock_get_mode(lock), mode)) - && (wait || !(lock_get_wait(lock)))) { - - return(lock); - } - - lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, lock); - } - - return(NULL); -} - -/*********************************************************************//** -Locks the specified database table in the mode given. If the lock cannot -be granted immediately, the query thread is put to wait. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_table( -/*=======*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is set, - does nothing */ - dict_table_t* table, /*!< in: database table in dictionary cache */ - enum lock_mode mode, /*!< in: lock mode */ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - ulint err; - - ut_ad(table && thr); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - ut_a(flags == 0); - - trx = thr_get_trx(thr); - - lock_mutex_enter_kernel(); - - /* Look for stronger locks the same trx already has on the table */ - - if (lock_table_has(trx, table, mode)) { - - lock_mutex_exit_kernel(); - - return(DB_SUCCESS); - } - - /* We have to check if the new lock is compatible with any locks - other transactions have in the table lock queue. */ - - if (lock_table_other_has_incompatible(trx, LOCK_WAIT, table, mode)) { - - /* Another trx has a request on the table in an incompatible - mode: this trx may have to wait */ - - err = lock_table_enqueue_waiting(mode | flags, table, thr); - - lock_mutex_exit_kernel(); - - return(err); - } - - lock_table_create(table, mode | flags, trx); - - ut_a(!flags || mode == LOCK_S || mode == LOCK_X); - - lock_mutex_exit_kernel(); - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Checks if a waiting table lock request still has to wait in a queue. -@return TRUE if still has to wait */ -static -ibool -lock_table_has_to_wait_in_queue( -/*============================*/ - lock_t* wait_lock) /*!< in: waiting table lock */ -{ - dict_table_t* table; - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(lock_get_wait(wait_lock)); - - table = wait_lock->un_member.tab_lock.table; - - lock = UT_LIST_GET_FIRST(table->locks); - - while (lock != wait_lock) { - - if (lock_has_to_wait(wait_lock, lock)) { - - return(TRUE); - } - - lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); - } - - return(FALSE); -} - -/*************************************************************//** -Removes a table lock request, waiting or granted, from the queue and grants -locks to other transactions in the queue, if they now are entitled to a -lock. */ -static -void -lock_table_dequeue( -/*===============*/ - lock_t* in_lock)/*!< in: table lock object; transactions waiting - behind will get their lock requests granted, if - they are now qualified to it */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - ut_a(lock_get_type_low(in_lock) == LOCK_TABLE); - - lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, in_lock); - - lock_table_remove_low(in_lock); - - /* Check if waiting locks in the queue can now be granted: grant - locks if there are no conflicting locks ahead. */ - - while (lock != NULL) { - - if (lock_get_wait(lock) - && !lock_table_has_to_wait_in_queue(lock)) { - - /* Grant the lock */ - lock_grant(lock); - } - - lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); - } -} - -/*=========================== LOCK RELEASE ==============================*/ - -/*************************************************************//** -Removes a granted record lock of a transaction from the queue and grants -locks to other transactions waiting in the queue if they now are entitled -to a lock. */ -UNIV_INTERN -void -lock_rec_unlock( -/*============*/ - trx_t* trx, /*!< in: transaction that has - set a record lock */ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec, /*!< in: record */ - enum lock_mode lock_mode)/*!< in: LOCK_S or LOCK_X */ -{ - lock_t* lock; - lock_t* release_lock = NULL; - ulint heap_no; - - ut_ad(trx && rec); - ut_ad(block->frame == page_align(rec)); - - heap_no = page_rec_get_heap_no(rec); - - mutex_enter(&kernel_mutex); - - lock = lock_rec_get_first(block, heap_no); - - /* Find the last lock with the same lock_mode and transaction - from the record. */ - - while (lock != NULL) { - if (lock->trx == trx && lock_get_mode(lock) == lock_mode) { - release_lock = lock; - ut_a(!lock_get_wait(lock)); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - /* If a record lock is found, release the record lock */ - - if (UNIV_LIKELY(release_lock != NULL)) { - lock_rec_reset_nth_bit(release_lock, heap_no); - } else { - mutex_exit(&kernel_mutex); - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: unlock row could not" - " find a %lu mode lock on the record\n", - (ulong) lock_mode); - - return; - } - - /* Check if we can now grant waiting lock requests */ - - lock = lock_rec_get_first(block, heap_no); - - while (lock != NULL) { - if (lock_get_wait(lock) - && !lock_rec_has_to_wait_in_queue(lock)) { - - /* Grant the lock */ - lock_grant(lock); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - mutex_exit(&kernel_mutex); -} - -/*********************************************************************//** -Releases transaction locks, and releases possible other transactions waiting -because of these locks. */ -UNIV_INTERN -void -lock_release_off_kernel( -/*====================*/ - trx_t* trx) /*!< in: transaction */ -{ - dict_table_t* table; - ulint count; - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = UT_LIST_GET_LAST(trx->trx_locks); - - count = 0; - - while (lock != NULL) { - - count++; - - if (lock_get_type_low(lock) == LOCK_REC) { - - lock_rec_dequeue_from_page(lock); - } else { - ut_ad(lock_get_type_low(lock) & LOCK_TABLE); - - if (lock_get_mode(lock) != LOCK_IS - && !ut_dulint_is_zero(trx->undo_no)) { - - /* The trx may have modified the table. We - block the use of the MySQL query cache for - all currently active transactions. */ - - table = lock->un_member.tab_lock.table; - - table->query_cache_inv_trx_id - = trx_sys->max_trx_id; - } - - lock_table_dequeue(lock); - } - - if (count == LOCK_RELEASE_KERNEL_INTERVAL) { - /* Release the kernel mutex for a while, so that we - do not monopolize it */ - - lock_mutex_exit_kernel(); - - lock_mutex_enter_kernel(); - - count = 0; - } - - lock = UT_LIST_GET_LAST(trx->trx_locks); - } - - ut_a(ib_vector_size(trx->autoinc_locks) == 0); - - mem_heap_empty(trx->lock_heap); -} - -/*********************************************************************//** -Cancels a waiting lock request and releases possible other transactions -waiting behind it. */ -UNIV_INTERN -void -lock_cancel_waiting_and_release( -/*============================*/ - lock_t* lock) /*!< in: waiting lock request */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - if (lock_get_type_low(lock) == LOCK_REC) { - - lock_rec_dequeue_from_page(lock); - } else { - ut_ad(lock_get_type_low(lock) & LOCK_TABLE); - - if (lock->trx->autoinc_locks != NULL) { - /* Release the transaction's AUTOINC locks/ */ - lock_release_autoinc_locks(lock->trx); - } - - lock_table_dequeue(lock); - } - - /* Reset the wait flag and the back pointer to lock in trx */ - - lock_reset_lock_and_trx_wait(lock); - - /* The following function releases the trx from lock wait */ - - trx_end_lock_wait(lock->trx); -} - -/* True if a lock mode is S or X */ -#define IS_LOCK_S_OR_X(lock) \ - (lock_get_mode(lock) == LOCK_S \ - || lock_get_mode(lock) == LOCK_X) - - -/*********************************************************************//** -Removes locks of a transaction on a table to be dropped. -If remove_also_table_sx_locks is TRUE then table-level S and X locks are -also removed in addition to other table-level and record-level locks. -No lock, that is going to be removed, is allowed to be a wait lock. */ -static -void -lock_remove_all_on_table_for_trx( -/*=============================*/ - dict_table_t* table, /*!< in: table to be dropped */ - trx_t* trx, /*!< in: a transaction */ - ibool remove_also_table_sx_locks)/*!< in: also removes - table S and X locks */ -{ - lock_t* lock; - lock_t* prev_lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = UT_LIST_GET_LAST(trx->trx_locks); - - while (lock != NULL) { - prev_lock = UT_LIST_GET_PREV(trx_locks, lock); - - if (lock_get_type_low(lock) == LOCK_REC - && lock->index->table == table) { - ut_a(!lock_get_wait(lock)); - - lock_rec_discard(lock); - } else if (lock_get_type_low(lock) & LOCK_TABLE - && lock->un_member.tab_lock.table == table - && (remove_also_table_sx_locks - || !IS_LOCK_S_OR_X(lock))) { - - ut_a(!lock_get_wait(lock)); - - lock_table_remove_low(lock); - } - - lock = prev_lock; - } -} - -/*********************************************************************//** -Removes locks on a table to be dropped or truncated. -If remove_also_table_sx_locks is TRUE then table-level S and X locks are -also removed in addition to other table-level and record-level locks. -No lock, that is going to be removed, is allowed to be a wait lock. */ -UNIV_INTERN -void -lock_remove_all_on_table( -/*=====================*/ - dict_table_t* table, /*!< in: table to be dropped - or truncated */ - ibool remove_also_table_sx_locks)/*!< in: also removes - table S and X locks */ -{ - lock_t* lock; - lock_t* prev_lock; - - mutex_enter(&kernel_mutex); - - lock = UT_LIST_GET_FIRST(table->locks); - - while (lock != NULL) { - - prev_lock = UT_LIST_GET_PREV(un_member.tab_lock.locks, - lock); - - /* If we should remove all locks (remove_also_table_sx_locks - is TRUE), or if the lock is not table-level S or X lock, - then check we are not going to remove a wait lock. */ - if (remove_also_table_sx_locks - || !(lock_get_type(lock) == LOCK_TABLE - && IS_LOCK_S_OR_X(lock))) { - - ut_a(!lock_get_wait(lock)); - } - - lock_remove_all_on_table_for_trx(table, lock->trx, - remove_also_table_sx_locks); - - if (prev_lock == NULL) { - if (lock == UT_LIST_GET_FIRST(table->locks)) { - /* lock was not removed, pick its successor */ - lock = UT_LIST_GET_NEXT( - un_member.tab_lock.locks, lock); - } else { - /* lock was removed, pick the first one */ - lock = UT_LIST_GET_FIRST(table->locks); - } - } else if (UT_LIST_GET_NEXT(un_member.tab_lock.locks, - prev_lock) != lock) { - /* If lock was removed by - lock_remove_all_on_table_for_trx() then pick the - successor of prev_lock ... */ - lock = UT_LIST_GET_NEXT( - un_member.tab_lock.locks, prev_lock); - } else { - /* ... otherwise pick the successor of lock. */ - lock = UT_LIST_GET_NEXT( - un_member.tab_lock.locks, lock); - } - } - - mutex_exit(&kernel_mutex); -} - -/*===================== VALIDATION AND DEBUGGING ====================*/ - -/*********************************************************************//** -Prints info of a table lock. */ -UNIV_INTERN -void -lock_table_print( -/*=============*/ - FILE* file, /*!< in: file where to print */ - const lock_t* lock) /*!< in: table type lock */ -{ - ut_ad(mutex_own(&kernel_mutex)); - ut_a(lock_get_type_low(lock) == LOCK_TABLE); - - fputs("TABLE LOCK table ", file); - ut_print_name(file, lock->trx, TRUE, - lock->un_member.tab_lock.table->name); - fprintf(file, " trx id " TRX_ID_FMT, - TRX_ID_PREP_PRINTF(lock->trx->id)); - - if (lock_get_mode(lock) == LOCK_S) { - fputs(" lock mode S", file); - } else if (lock_get_mode(lock) == LOCK_X) { - fputs(" lock mode X", file); - } else if (lock_get_mode(lock) == LOCK_IS) { - fputs(" lock mode IS", file); - } else if (lock_get_mode(lock) == LOCK_IX) { - fputs(" lock mode IX", file); - } else if (lock_get_mode(lock) == LOCK_AUTO_INC) { - fputs(" lock mode AUTO-INC", file); - } else { - fprintf(file, " unknown lock mode %lu", - (ulong) lock_get_mode(lock)); - } - - if (lock_get_wait(lock)) { - fputs(" waiting", file); - } - - putc('\n', file); -} - -/*********************************************************************//** -Prints info of a record lock. */ -UNIV_INTERN -void -lock_rec_print( -/*===========*/ - FILE* file, /*!< in: file where to print */ - const lock_t* lock) /*!< in: record type lock */ -{ - const buf_block_t* block; - ulint space; - ulint page_no; - ulint i; - mtr_t mtr; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(mutex_own(&kernel_mutex)); - ut_a(lock_get_type_low(lock) == LOCK_REC); - - space = lock->un_member.rec_lock.space; - page_no = lock->un_member.rec_lock.page_no; - - fprintf(file, "RECORD LOCKS space id %lu page no %lu n bits %lu ", - (ulong) space, (ulong) page_no, - (ulong) lock_rec_get_n_bits(lock)); - dict_index_name_print(file, lock->trx, lock->index); - fprintf(file, " trx id " TRX_ID_FMT, - TRX_ID_PREP_PRINTF(lock->trx->id)); - - if (lock_get_mode(lock) == LOCK_S) { - fputs(" lock mode S", file); - } else if (lock_get_mode(lock) == LOCK_X) { - fputs(" lock_mode X", file); - } else { - ut_error; - } - - if (lock_rec_get_gap(lock)) { - fputs(" locks gap before rec", file); - } - - if (lock_rec_get_rec_not_gap(lock)) { - fputs(" locks rec but not gap", file); - } - - if (lock_rec_get_insert_intention(lock)) { - fputs(" insert intention", file); - } - - if (lock_get_wait(lock)) { - fputs(" waiting", file); - } - - mtr_start(&mtr); - - putc('\n', file); - - block = buf_page_try_get(space, page_no, &mtr); - - for (i = 0; i < lock_rec_get_n_bits(lock); ++i) { - - if (!lock_rec_get_nth_bit(lock, i)) { - continue; - } - - fprintf(file, "Record lock, heap no %lu", (ulong) i); - - if (block) { - const rec_t* rec; - - rec = page_find_rec_with_heap_no( - buf_block_get_frame(block), i); - - offsets = rec_get_offsets( - rec, lock->index, offsets, - ULINT_UNDEFINED, &heap); - - putc(' ', file); - rec_print_new(file, rec, offsets); - } - - putc('\n', file); - } - - mtr_commit(&mtr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -#ifdef UNIV_DEBUG -/* Print the number of lock structs from lock_print_info_summary() only -in non-production builds for performance reasons, see -http://bugs.mysql.com/36942 */ -#define PRINT_NUM_OF_LOCK_STRUCTS -#endif /* UNIV_DEBUG */ - -#ifdef PRINT_NUM_OF_LOCK_STRUCTS -/*********************************************************************//** -Calculates the number of record lock structs in the record lock hash table. -@return number of record locks */ -static -ulint -lock_get_n_rec_locks(void) -/*======================*/ -{ - lock_t* lock; - ulint n_locks = 0; - ulint i; - - ut_ad(mutex_own(&kernel_mutex)); - - for (i = 0; i < hash_get_n_cells(lock_sys->rec_hash); i++) { - - lock = HASH_GET_FIRST(lock_sys->rec_hash, i); - - while (lock) { - n_locks++; - - lock = HASH_GET_NEXT(hash, lock); - } - } - - return(n_locks); -} -#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ - -/*********************************************************************//** -Prints info of locks for all transactions. -@return FALSE if not able to obtain kernel mutex -and exits without printing info */ -UNIV_INTERN -ibool -lock_print_info_summary( -/*====================*/ - FILE* file, /*!< in: file where to print */ - ibool nowait) /*!< in: whether to wait for the kernel mutex */ -{ - /* if nowait is FALSE, wait on the kernel mutex, - otherwise return immediately if fail to obtain the - mutex. */ - if (!nowait) { - lock_mutex_enter_kernel(); - } else if (mutex_enter_nowait(&kernel_mutex)) { - fputs("FAIL TO OBTAIN KERNEL MUTEX, " - "SKIP LOCK INFO PRINTING\n", file); - return(FALSE); - } - - if (lock_deadlock_found) { - fputs("------------------------\n" - "LATEST DETECTED DEADLOCK\n" - "------------------------\n", file); - - ut_copy_file(file, lock_latest_err_file); - } - - fputs("------------\n" - "TRANSACTIONS\n" - "------------\n", file); - - fprintf(file, "Trx id counter " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); - - fprintf(file, - "Purge done for trx's n:o < " TRX_ID_FMT - " undo n:o < " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(purge_sys->purge_trx_no), - TRX_ID_PREP_PRINTF(purge_sys->purge_undo_no)); - - fprintf(file, - "History list length %lu\n", - (ulong) trx_sys->rseg_history_len); - -#ifdef PRINT_NUM_OF_LOCK_STRUCTS - fprintf(file, - "Total number of lock structs in row lock hash table %lu\n", - (ulong) lock_get_n_rec_locks()); -#endif /* PRINT_NUM_OF_LOCK_STRUCTS */ - return(TRUE); -} - -/*********************************************************************//** -Prints info of locks for each transaction. */ -UNIV_INTERN -void -lock_print_info_all_transactions( -/*=============================*/ - FILE* file) /*!< in: file where to print */ -{ - lock_t* lock; - ibool load_page_first = TRUE; - ulint nth_trx = 0; - ulint nth_lock = 0; - ulint i; - mtr_t mtr; - trx_t* trx; - - fprintf(file, "LIST OF TRANSACTIONS FOR EACH SESSION:\n"); - - /* First print info on non-active transactions */ - - trx = UT_LIST_GET_FIRST(trx_sys->mysql_trx_list); - - while (trx) { - if (trx->conc_state == TRX_NOT_STARTED) { - fputs("---", file); - trx_print(file, trx, 600); - } - - trx = UT_LIST_GET_NEXT(mysql_trx_list, trx); - } - -loop: - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - i = 0; - - /* Since we temporarily release the kernel mutex when - reading a database page in below, variable trx may be - obsolete now and we must loop through the trx list to - get probably the same trx, or some other trx. */ - - while (trx && (i < nth_trx)) { - trx = UT_LIST_GET_NEXT(trx_list, trx); - i++; - } - - if (trx == NULL) { - lock_mutex_exit_kernel(); - - ut_ad(lock_validate()); - - return; - } - - if (nth_lock == 0) { - fputs("---", file); - trx_print(file, trx, 600); - - if (trx->read_view) { - fprintf(file, - "Trx read view will not see trx with" - " id >= " TRX_ID_FMT - ", sees < " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF( - trx->read_view->low_limit_id), - TRX_ID_PREP_PRINTF( - trx->read_view->up_limit_id)); - } - - if (trx->que_state == TRX_QUE_LOCK_WAIT) { - fprintf(file, - "------- TRX HAS BEEN WAITING %lu SEC" - " FOR THIS LOCK TO BE GRANTED:\n", - (ulong) difftime(time(NULL), - trx->wait_started)); - - if (lock_get_type_low(trx->wait_lock) == LOCK_REC) { - lock_rec_print(file, trx->wait_lock); - } else { - lock_table_print(file, trx->wait_lock); - } - - fputs("------------------\n", file); - } - } - - if (!srv_print_innodb_lock_monitor) { - nth_trx++; - goto loop; - } - - i = 0; - - /* Look at the note about the trx loop above why we loop here: - lock may be an obsolete pointer now. */ - - lock = UT_LIST_GET_FIRST(trx->trx_locks); - - while (lock && (i < nth_lock)) { - lock = UT_LIST_GET_NEXT(trx_locks, lock); - i++; - } - - if (lock == NULL) { - nth_trx++; - nth_lock = 0; - - goto loop; - } - - if (lock_get_type_low(lock) == LOCK_REC) { - if (load_page_first) { - ulint space = lock->un_member.rec_lock.space; - ulint zip_size= fil_space_get_zip_size(space); - ulint page_no = lock->un_member.rec_lock.page_no; - - if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { - - /* It is a single table tablespace and - the .ibd file is missing (TRUNCATE - TABLE probably stole the locks): just - print the lock without attempting to - load the page in the buffer pool. */ - - fprintf(file, "RECORD LOCKS on" - " non-existing space %lu\n", - (ulong) space); - goto print_rec; - } - - lock_mutex_exit_kernel(); - - mtr_start(&mtr); - - buf_page_get_with_no_latch(space, zip_size, - page_no, &mtr); - - mtr_commit(&mtr); - - load_page_first = FALSE; - - lock_mutex_enter_kernel(); - - goto loop; - } - -print_rec: - lock_rec_print(file, lock); - } else { - ut_ad(lock_get_type_low(lock) & LOCK_TABLE); - - lock_table_print(file, lock); - } - - load_page_first = TRUE; - - nth_lock++; - - if (nth_lock >= 10) { - fputs("10 LOCKS PRINTED FOR THIS TRX:" - " SUPPRESSING FURTHER PRINTS\n", - file); - - nth_trx++; - nth_lock = 0; - - goto loop; - } - - goto loop; -} - -#ifdef UNIV_DEBUG -/*********************************************************************//** -Validates the lock queue on a table. -@return TRUE if ok */ -static -ibool -lock_table_queue_validate( -/*======================*/ - dict_table_t* table) /*!< in: table */ -{ - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - lock = UT_LIST_GET_FIRST(table->locks); - - while (lock) { - ut_a(((lock->trx)->conc_state == TRX_ACTIVE) - || ((lock->trx)->conc_state == TRX_PREPARED) - || ((lock->trx)->conc_state == TRX_COMMITTED_IN_MEMORY)); - - if (!lock_get_wait(lock)) { - - ut_a(!lock_table_other_has_incompatible( - lock->trx, 0, table, - lock_get_mode(lock))); - } else { - - ut_a(lock_table_has_to_wait_in_queue(lock)); - } - - lock = UT_LIST_GET_NEXT(un_member.tab_lock.locks, lock); - } - - return(TRUE); -} - -/*********************************************************************//** -Validates the lock queue on a single record. -@return TRUE if ok */ -static -ibool -lock_rec_queue_validate( -/*====================*/ - const buf_block_t* block, /*!< in: buffer block containing rec */ - const rec_t* rec, /*!< in: record to look at */ - dict_index_t* index, /*!< in: index, or NULL if not known */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - trx_t* impl_trx; - lock_t* lock; - ulint heap_no; - - ut_a(rec); - ut_a(block->frame == page_align(rec)); - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); - - heap_no = page_rec_get_heap_no(rec); - - lock_mutex_enter_kernel(); - - if (!page_rec_is_user_rec(rec)) { - - lock = lock_rec_get_first(block, heap_no); - - while (lock) { - switch(lock->trx->conc_state) { - case TRX_ACTIVE: - case TRX_PREPARED: - case TRX_COMMITTED_IN_MEMORY: - break; - default: - ut_error; - } - - ut_a(trx_in_trx_list(lock->trx)); - - if (lock_get_wait(lock)) { - ut_a(lock_rec_has_to_wait_in_queue(lock)); - } - - if (index) { - ut_a(lock->index == index); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - lock_mutex_exit_kernel(); - - return(TRUE); - } - - if (!index); - else if (dict_index_is_clust(index)) { - - impl_trx = lock_clust_rec_some_has_impl(rec, index, offsets); - - if (impl_trx - && lock_rec_other_has_expl_req(LOCK_S, 0, LOCK_WAIT, - block, heap_no, impl_trx)) { - - ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, - block, heap_no, impl_trx)); - } - } else { - - /* The kernel mutex may get released temporarily in the - next function call: we have to release lock table mutex - to obey the latching order */ - - /* If this thread is holding the file space latch - (fil_space_t::latch), the following check WILL break - latching order and may cause a deadlock of threads. */ - - impl_trx = lock_sec_rec_some_has_impl_off_kernel( - rec, index, offsets); - - if (impl_trx - && lock_rec_other_has_expl_req(LOCK_S, 0, LOCK_WAIT, - block, heap_no, impl_trx)) { - - ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, - block, heap_no, impl_trx)); - } - } - - lock = lock_rec_get_first(block, heap_no); - - while (lock) { - ut_a(lock->trx->conc_state == TRX_ACTIVE - || lock->trx->conc_state == TRX_PREPARED - || lock->trx->conc_state == TRX_COMMITTED_IN_MEMORY); - ut_a(trx_in_trx_list(lock->trx)); - - if (index) { - ut_a(lock->index == index); - } - - if (!lock_rec_get_gap(lock) && !lock_get_wait(lock)) { - - enum lock_mode mode; - - if (lock_get_mode(lock) == LOCK_S) { - mode = LOCK_X; - } else { - mode = LOCK_S; - } - ut_a(!lock_rec_other_has_expl_req( - mode, 0, 0, block, heap_no, lock->trx)); - - } else if (lock_get_wait(lock) && !lock_rec_get_gap(lock)) { - - ut_a(lock_rec_has_to_wait_in_queue(lock)); - } - - lock = lock_rec_get_next(heap_no, lock); - } - - lock_mutex_exit_kernel(); - - return(TRUE); -} - -/*********************************************************************//** -Validates the record lock queues on a page. -@return TRUE if ok */ -static -ibool -lock_rec_validate_page( -/*===================*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no)/*!< in: page number */ -{ - dict_index_t* index; - buf_block_t* block; - const page_t* page; - lock_t* lock; - const rec_t* rec; - ulint nth_lock = 0; - ulint nth_bit = 0; - ulint i; - mtr_t mtr; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(!mutex_own(&kernel_mutex)); - - mtr_start(&mtr); - - ut_ad(zip_size != ULINT_UNDEFINED); - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - page = block->frame; - - lock_mutex_enter_kernel(); -loop: - lock = lock_rec_get_first_on_page_addr(space, page_no); - - if (!lock) { - goto function_exit; - } - - for (i = 0; i < nth_lock; i++) { - - lock = lock_rec_get_next_on_page(lock); - - if (!lock) { - goto function_exit; - } - } - - ut_a(trx_in_trx_list(lock->trx)); - ut_a(lock->trx->conc_state == TRX_ACTIVE - || lock->trx->conc_state == TRX_PREPARED - || lock->trx->conc_state == TRX_COMMITTED_IN_MEMORY); - -# ifdef UNIV_SYNC_DEBUG - /* Only validate the record queues when this thread is not - holding a space->latch. Deadlocks are possible due to - latching order violation when UNIV_DEBUG is defined while - UNIV_SYNC_DEBUG is not. */ - if (!sync_thread_levels_contains(SYNC_FSP)) -# endif /* UNIV_SYNC_DEBUG */ - for (i = nth_bit; i < lock_rec_get_n_bits(lock); i++) { - - if (i == 1 || lock_rec_get_nth_bit(lock, i)) { - - index = lock->index; - rec = page_find_rec_with_heap_no(page, i); - ut_a(rec); - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - fprintf(stderr, - "Validating %lu %lu\n", - (ulong) space, (ulong) page_no); - - lock_mutex_exit_kernel(); - - /* If this thread is holding the file space - latch (fil_space_t::latch), the following - check WILL break the latching order and may - cause a deadlock of threads. */ - - lock_rec_queue_validate(block, rec, index, offsets); - - lock_mutex_enter_kernel(); - - nth_bit = i + 1; - - goto loop; - } - } - - nth_bit = 0; - nth_lock++; - - goto loop; - -function_exit: - lock_mutex_exit_kernel(); - - mtr_commit(&mtr); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(TRUE); -} - -/*********************************************************************//** -Validates the lock system. -@return TRUE if ok */ -static -ibool -lock_validate(void) -/*===============*/ -{ - lock_t* lock; - trx_t* trx; - dulint limit; - ulint space; - ulint page_no; - ulint i; - - lock_mutex_enter_kernel(); - - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx) { - lock = UT_LIST_GET_FIRST(trx->trx_locks); - - while (lock) { - if (lock_get_type_low(lock) & LOCK_TABLE) { - - lock_table_queue_validate( - lock->un_member.tab_lock.table); - } - - lock = UT_LIST_GET_NEXT(trx_locks, lock); - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - for (i = 0; i < hash_get_n_cells(lock_sys->rec_hash); i++) { - - limit = ut_dulint_zero; - - for (;;) { - lock = HASH_GET_FIRST(lock_sys->rec_hash, i); - - while (lock) { - ut_a(trx_in_trx_list(lock->trx)); - - space = lock->un_member.rec_lock.space; - page_no = lock->un_member.rec_lock.page_no; - - if (ut_dulint_cmp( - ut_dulint_create(space, page_no), - limit) >= 0) { - break; - } - - lock = HASH_GET_NEXT(hash, lock); - } - - if (!lock) { - - break; - } - - lock_mutex_exit_kernel(); - - lock_rec_validate_page(space, - fil_space_get_zip_size(space), - page_no); - - lock_mutex_enter_kernel(); - - limit = ut_dulint_create(space, page_no + 1); - } - } - - lock_mutex_exit_kernel(); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ -/*============ RECORD LOCK CHECKS FOR ROW OPERATIONS ====================*/ - -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate insert of -a record. If they do, first tests if the query thread should anyway -be suspended for some reason; if not, then puts the transaction and -the query thread to the lock wait state and inserts a waiting request -for a gap x-lock to the lock queue. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_rec_insert_check_and_lock( -/*===========================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG bit is - set, does nothing */ - const rec_t* rec, /*!< in: record after which to insert */ - buf_block_t* block, /*!< in/out: buffer block of rec */ - dict_index_t* index, /*!< in: index */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr, /*!< in/out: mini-transaction */ - ibool* inherit)/*!< out: set to TRUE if the new - inserted record maybe should inherit - LOCK_GAP type locks from the successor - record */ -{ - const rec_t* next_rec; - trx_t* trx; - lock_t* lock; - ulint err; - ulint next_rec_heap_no; - - ut_ad(block->frame == page_align(rec)); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - trx = thr_get_trx(thr); - next_rec = page_rec_get_next_const(rec); - next_rec_heap_no = page_rec_get_heap_no(next_rec); - - lock_mutex_enter_kernel(); - - /* When inserting a record into an index, the table must be at - least IX-locked or we must be building an index, in which case - the table must be at least S-locked. */ - ut_ad(lock_table_has(trx, index->table, LOCK_IX) - || (*index->name == TEMP_INDEX_PREFIX - && lock_table_has(trx, index->table, LOCK_S))); - - lock = lock_rec_get_first(block, next_rec_heap_no); - - if (UNIV_LIKELY(lock == NULL)) { - /* We optimize CPU time usage in the simplest case */ - - lock_mutex_exit_kernel(); - - if (!dict_index_is_clust(index)) { - /* Update the page max trx id field */ - page_update_max_trx_id(block, - buf_block_get_page_zip(block), - trx->id, mtr); - } - - *inherit = FALSE; - - return(DB_SUCCESS); - } - - *inherit = TRUE; - - /* If another transaction has an explicit lock request which locks - the gap, waiting or granted, on the successor, the insert has to wait. - - An exception is the case where the lock by the another transaction - is a gap type lock which it placed to wait for its turn to insert. We - do not consider that kind of a lock conflicting with our insert. This - eliminates an unnecessary deadlock which resulted when 2 transactions - had to wait for their insert. Both had waiting gap type lock requests - on the successor, which produced an unnecessary deadlock. */ - - if (lock_rec_other_has_conflicting( - LOCK_X | LOCK_GAP | LOCK_INSERT_INTENTION, - block, next_rec_heap_no, trx)) { - - /* Note that we may get DB_SUCCESS also here! */ - err = lock_rec_enqueue_waiting(LOCK_X | LOCK_GAP - | LOCK_INSERT_INTENTION, - block, next_rec_heap_no, - index, thr); - } else { - err = DB_SUCCESS; - } - - lock_mutex_exit_kernel(); - - if ((err == DB_SUCCESS) && !dict_index_is_clust(index)) { - /* Update the page max trx id field */ - page_update_max_trx_id(block, - buf_block_get_page_zip(block), - trx->id, mtr); - } - -#ifdef UNIV_DEBUG - { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - offsets = rec_get_offsets(next_rec, index, offsets_, - ULINT_UNDEFINED, &heap); - ut_ad(lock_rec_queue_validate(block, - next_rec, index, offsets)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } -#endif /* UNIV_DEBUG */ - - return(err); -} - -/*********************************************************************//** -If a transaction has an implicit x-lock on a record, but no explicit x-lock -set on the record, sets one for it. NOTE that in the case of a secondary -index, the kernel mutex may get temporarily released. */ -static -void -lock_rec_convert_impl_to_expl( -/*==========================*/ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record on page */ - dict_index_t* index, /*!< in: index of record */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - trx_t* impl_trx; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(page_rec_is_user_rec(rec)); - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); - - if (dict_index_is_clust(index)) { - impl_trx = lock_clust_rec_some_has_impl(rec, index, offsets); - } else { - impl_trx = lock_sec_rec_some_has_impl_off_kernel( - rec, index, offsets); - } - - if (impl_trx) { - ulint heap_no = page_rec_get_heap_no(rec); - - /* If the transaction has no explicit x-lock set on the - record, set one for it */ - - if (!lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, block, - heap_no, impl_trx)) { - - lock_rec_add_to_queue( - LOCK_REC | LOCK_X | LOCK_REC_NOT_GAP, - block, heap_no, index, impl_trx); - } - } -} - -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate modify (update, -delete mark, or delete unmark) of a clustered index record. If they do, -first tests if the query thread should anyway be suspended for some -reason; if not, then puts the transaction and the query thread to the -lock wait state and inserts a waiting request for a record x-lock to the -lock queue. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_modify_check_and_lock( -/*=================================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: record which should be - modified */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - ulint heap_no; - - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(dict_index_is_clust(index)); - ut_ad(block->frame == page_align(rec)); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - heap_no = rec_offs_comp(offsets) - ? rec_get_heap_no_new(rec) - : rec_get_heap_no_old(rec); - - lock_mutex_enter_kernel(); - - ut_ad(lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - - /* If a transaction has no explicit x-lock set on the record, set one - for it */ - - lock_rec_convert_impl_to_expl(block, rec, index, offsets); - - err = lock_rec_lock(TRUE, LOCK_X | LOCK_REC_NOT_GAP, - block, heap_no, index, thr); - - lock_mutex_exit_kernel(); - - ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); - - return(err); -} - -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate modify (delete -mark or delete unmark) of a secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_sec_rec_modify_check_and_lock( -/*===============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - buf_block_t* block, /*!< in/out: buffer block of rec */ - const rec_t* rec, /*!< in: record which should be - modified; NOTE: as this is a secondary - index, we always have to modify the - clustered index record first: see the - comment below */ - dict_index_t* index, /*!< in: secondary index */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in/out: mini-transaction */ -{ - ulint err; - ulint heap_no; - - ut_ad(!dict_index_is_clust(index)); - ut_ad(block->frame == page_align(rec)); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - heap_no = page_rec_get_heap_no(rec); - - /* Another transaction cannot have an implicit lock on the record, - because when we come here, we already have modified the clustered - index record, and this would not have been possible if another active - transaction had modified this secondary index record. */ - - lock_mutex_enter_kernel(); - - ut_ad(lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - - err = lock_rec_lock(TRUE, LOCK_X | LOCK_REC_NOT_GAP, - block, heap_no, index, thr); - - lock_mutex_exit_kernel(); - -#ifdef UNIV_DEBUG - { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } -#endif /* UNIV_DEBUG */ - - if (err == DB_SUCCESS) { - /* Update the page max trx id field */ - page_update_max_trx_id(block, - buf_block_get_page_zip(block), - thr_get_trx(thr)->id, mtr); - } - - return(err); -} - -/*********************************************************************//** -Like the counterpart for a clustered index below, but now we read a -secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_sec_rec_read_check_and_lock( -/*=============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: secondary index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - ulint heap_no; - - ut_ad(!dict_index_is_clust(index)); - ut_ad(block->frame == page_align(rec)); - ut_ad(page_rec_is_user_rec(rec) || page_rec_is_supremum(rec)); - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(mode == LOCK_X || mode == LOCK_S); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - heap_no = page_rec_get_heap_no(rec); - - lock_mutex_enter_kernel(); - - ut_ad(mode != LOCK_X - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - ut_ad(mode != LOCK_S - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); - - /* Some transaction may have an implicit x-lock on the record only - if the max trx id for the page >= min trx id for the trx list or a - database recovery is running. */ - - if (((ut_dulint_cmp(page_get_max_trx_id(block->frame), - trx_list_get_min_trx_id()) >= 0) - || recv_recovery_is_on()) - && !page_rec_is_supremum(rec)) { - - lock_rec_convert_impl_to_expl(block, rec, index, offsets); - } - - err = lock_rec_lock(FALSE, mode | gap_mode, - block, heap_no, index, thr); - - lock_mutex_exit_kernel(); - - ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); - - return(err); -} - -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate read, or passing -over by a read cursor, of a clustered index record. If they do, first tests -if the query thread should anyway be suspended for some reason; if not, then -puts the transaction and the query thread to the lock wait state and inserts a -waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_read_check_and_lock( -/*===============================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - ulint heap_no; - - ut_ad(dict_index_is_clust(index)); - ut_ad(block->frame == page_align(rec)); - ut_ad(page_rec_is_user_rec(rec) || page_rec_is_supremum(rec)); - ut_ad(gap_mode == LOCK_ORDINARY || gap_mode == LOCK_GAP - || gap_mode == LOCK_REC_NOT_GAP); - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (flags & BTR_NO_LOCKING_FLAG) { - - return(DB_SUCCESS); - } - - heap_no = page_rec_get_heap_no(rec); - - lock_mutex_enter_kernel(); - - ut_ad(mode != LOCK_X - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IX)); - ut_ad(mode != LOCK_S - || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); - - if (UNIV_LIKELY(heap_no != PAGE_HEAP_NO_SUPREMUM)) { - - lock_rec_convert_impl_to_expl(block, rec, index, offsets); - } - - err = lock_rec_lock(FALSE, mode | gap_mode, - block, heap_no, index, thr); - - lock_mutex_exit_kernel(); - - ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); - - return(err); -} -/*********************************************************************//** -Checks if locks of other transactions prevent an immediate read, or passing -over by a read cursor, of a clustered index record. If they do, first tests -if the query thread should anyway be suspended for some reason; if not, then -puts the transaction and the query thread to the lock wait state and inserts a -waiting request for a record lock to the lock queue. Sets the requested mode -lock on the record. This is an alternative version of -lock_clust_rec_read_check_and_lock() that does not require the parameter -"offsets". -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ -UNIV_INTERN -ulint -lock_clust_rec_read_check_and_lock_alt( -/*===================================*/ - ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG - bit is set, does nothing */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: user record or page - supremum record which should - be read or passed over by a - read cursor */ - dict_index_t* index, /*!< in: clustered index */ - enum lock_mode mode, /*!< in: mode of the lock which - the read cursor should set on - records: LOCK_S or LOCK_X; the - latter is possible in - SELECT FOR UPDATE */ - ulint gap_mode,/*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP */ - que_thr_t* thr) /*!< in: query thread */ -{ - mem_heap_t* tmp_heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - ulint ret; - rec_offs_init(offsets_); - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &tmp_heap); - ret = lock_clust_rec_read_check_and_lock(flags, block, rec, index, - offsets, mode, gap_mode, thr); - if (tmp_heap) { - mem_heap_free(tmp_heap); - } - return(ret); -} - -/*******************************************************************//** -Release the last lock from the transaction's autoinc locks. */ -UNIV_INLINE -void -lock_release_autoinc_last_lock( -/*===========================*/ - ib_vector_t* autoinc_locks) /*!< in/out: vector of AUTOINC locks */ -{ - ulint last; - lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - ut_a(!ib_vector_is_empty(autoinc_locks)); - - /* The lock to be release must be the last lock acquired. */ - last = ib_vector_size(autoinc_locks) - 1; - lock = ib_vector_get(autoinc_locks, last); - - /* Should have only AUTOINC locks in the vector. */ - ut_a(lock_get_mode(lock) == LOCK_AUTO_INC); - ut_a(lock_get_type(lock) == LOCK_TABLE); - - ut_a(lock->un_member.tab_lock.table != NULL); - - /* This will remove the lock from the trx autoinc_locks too. */ - lock_table_dequeue(lock); -} - -/*******************************************************************//** -Check if a transaction holds any autoinc locks. -@return TRUE if the transaction holds any AUTOINC locks. */ -UNIV_INTERN -ibool -lock_trx_holds_autoinc_locks( -/*=========================*/ - const trx_t* trx) /*!< in: transaction */ -{ - ut_a(trx->autoinc_locks != NULL); - - return(!ib_vector_is_empty(trx->autoinc_locks)); -} - -/*******************************************************************//** -Release all the transaction's autoinc locks. */ -UNIV_INTERN -void -lock_release_autoinc_locks( -/*=======================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - ut_a(trx->autoinc_locks != NULL); - - /* We release the locks in the reverse order. This is to - avoid searching the vector for the element to delete at - the lower level. See (lock_table_remove_low()) for details. */ - while (!ib_vector_is_empty(trx->autoinc_locks)) { - - /* lock_table_remove_low() will also remove the lock from - the transaction's autoinc_locks vector. */ - lock_release_autoinc_last_lock(trx->autoinc_locks); - } - - /* Should release all locks. */ - ut_a(ib_vector_is_empty(trx->autoinc_locks)); -} - -/*******************************************************************//** -Gets the type of a lock. Non-inline version for using outside of the -lock module. -@return LOCK_TABLE or LOCK_REC */ -UNIV_INTERN -ulint -lock_get_type( -/*==========*/ - const lock_t* lock) /*!< in: lock */ -{ - return(lock_get_type_low(lock)); -} - -/*******************************************************************//** -Gets the id of the transaction owning a lock. -@return transaction id */ -UNIV_INTERN -ullint -lock_get_trx_id( -/*============*/ - const lock_t* lock) /*!< in: lock */ -{ - return(trx_get_id(lock->trx)); -} - -/*******************************************************************//** -Gets the mode of a lock in a human readable string. -The string should not be free()'d or modified. -@return lock mode */ -UNIV_INTERN -const char* -lock_get_mode_str( -/*==============*/ - const lock_t* lock) /*!< in: lock */ -{ - ibool is_gap_lock; - - is_gap_lock = lock_get_type_low(lock) == LOCK_REC - && lock_rec_get_gap(lock); - - switch (lock_get_mode(lock)) { - case LOCK_S: - if (is_gap_lock) { - return("S,GAP"); - } else { - return("S"); - } - case LOCK_X: - if (is_gap_lock) { - return("X,GAP"); - } else { - return("X"); - } - case LOCK_IS: - if (is_gap_lock) { - return("IS,GAP"); - } else { - return("IS"); - } - case LOCK_IX: - if (is_gap_lock) { - return("IX,GAP"); - } else { - return("IX"); - } - case LOCK_AUTO_INC: - return("AUTO_INC"); - default: - return("UNKNOWN"); - } -} - -/*******************************************************************//** -Gets the type of a lock in a human readable string. -The string should not be free()'d or modified. -@return lock type */ -UNIV_INTERN -const char* -lock_get_type_str( -/*==============*/ - const lock_t* lock) /*!< in: lock */ -{ - switch (lock_get_type_low(lock)) { - case LOCK_REC: - return("RECORD"); - case LOCK_TABLE: - return("TABLE"); - default: - return("UNKNOWN"); - } -} - -/*******************************************************************//** -Gets the table on which the lock is. -@return table */ -UNIV_INLINE -dict_table_t* -lock_get_table( -/*===========*/ - const lock_t* lock) /*!< in: lock */ -{ - switch (lock_get_type_low(lock)) { - case LOCK_REC: - return(lock->index->table); - case LOCK_TABLE: - return(lock->un_member.tab_lock.table); - default: - ut_error; - return(NULL); - } -} - -/*******************************************************************//** -Gets the id of the table on which the lock is. -@return id of the table */ -UNIV_INTERN -ullint -lock_get_table_id( -/*==============*/ - const lock_t* lock) /*!< in: lock */ -{ - dict_table_t* table; - - table = lock_get_table(lock); - - return((ullint)ut_conv_dulint_to_longlong(table->id)); -} - -/*******************************************************************//** -Gets the name of the table on which the lock is. -The string should not be free()'d or modified. -@return name of the table */ -UNIV_INTERN -const char* -lock_get_table_name( -/*================*/ - const lock_t* lock) /*!< in: lock */ -{ - dict_table_t* table; - - table = lock_get_table(lock); - - return(table->name); -} - -/*******************************************************************//** -For a record lock, gets the index on which the lock is. -@return index */ -UNIV_INTERN -const dict_index_t* -lock_rec_get_index( -/*===============*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_a(lock_get_type_low(lock) == LOCK_REC); - - return(lock->index); -} - -/*******************************************************************//** -For a record lock, gets the name of the index on which the lock is. -The string should not be free()'d or modified. -@return name of the index */ -UNIV_INTERN -const char* -lock_rec_get_index_name( -/*====================*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_a(lock_get_type_low(lock) == LOCK_REC); - - return(lock->index->name); -} - -/*******************************************************************//** -For a record lock, gets the tablespace number on which the lock is. -@return tablespace number */ -UNIV_INTERN -ulint -lock_rec_get_space_id( -/*==================*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_a(lock_get_type_low(lock) == LOCK_REC); - - return(lock->un_member.rec_lock.space); -} - -/*******************************************************************//** -For a record lock, gets the page number on which the lock is. -@return page number */ -UNIV_INTERN -ulint -lock_rec_get_page_no( -/*=================*/ - const lock_t* lock) /*!< in: lock */ -{ - ut_a(lock_get_type_low(lock) == LOCK_REC); - - return(lock->un_member.rec_lock.page_no); -} diff --git a/perfschema/log/log0log.c b/perfschema/log/log0log.c deleted file mode 100644 index 183c24d2147..00000000000 --- a/perfschema/log/log0log.c +++ /dev/null @@ -1,3450 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file log/log0log.c -Database log - -Created 12/9/1995 Heikki Tuuri -*******************************************************/ - -#include "log0log.h" - -#ifdef UNIV_NONINL -#include "log0log.ic" -#endif - -#ifndef UNIV_HOTBACKUP -#include "mem0mem.h" -#include "buf0buf.h" -#include "buf0flu.h" -#include "srv0srv.h" -#include "log0recv.h" -#include "fil0fil.h" -#include "dict0boot.h" -#include "srv0srv.h" -#include "srv0start.h" -#include "trx0sys.h" -#include "trx0trx.h" - -/* -General philosophy of InnoDB redo-logs: - -1) Every change to a contents of a data page must be done -through mtr, which in mtr_commit() writes log records -to the InnoDB redo log. - -2) Normally these changes are performed using a mlog_write_ulint() -or similar function. - -3) In some page level operations only a code number of a -c-function and its parameters are written to the log to -reduce the size of the log. - - 3a) You should not add parameters to these kind of functions - (e.g. trx_undo_header_create(), trx_undo_insert_header_reuse()) - - 3b) You should not add such functionality which either change - working when compared with the old or are dependent on data - outside of the page. These kind of functions should implement - self-contained page transformation and it should be unchanged - if you don't have very essential reasons to change log - semantics or format. - -*/ - -/* Current free limit of space 0; protected by the log sys mutex; 0 means -uninitialized */ -UNIV_INTERN ulint log_fsp_current_free_limit = 0; - -/* Global log system variable */ -UNIV_INTERN log_t* log_sys = NULL; - -#ifdef UNIV_DEBUG -UNIV_INTERN ibool log_do_write = TRUE; -#endif /* UNIV_DEBUG */ - -/* These control how often we print warnings if the last checkpoint is too -old */ -UNIV_INTERN ibool log_has_printed_chkp_warning = FALSE; -UNIV_INTERN time_t log_last_warning_time; - -#ifdef UNIV_LOG_ARCHIVE -/* Pointer to this variable is used as the i/o-message when we do i/o to an -archive */ -UNIV_INTERN byte log_archive_io; -#endif /* UNIV_LOG_ARCHIVE */ - -/* A margin for free space in the log buffer before a log entry is catenated */ -#define LOG_BUF_WRITE_MARGIN (4 * OS_FILE_LOG_BLOCK_SIZE) - -/* Margins for free space in the log buffer after a log entry is catenated */ -#define LOG_BUF_FLUSH_RATIO 2 -#define LOG_BUF_FLUSH_MARGIN (LOG_BUF_WRITE_MARGIN + 4 * UNIV_PAGE_SIZE) - -/* Margin for the free space in the smallest log group, before a new query -step which modifies the database, is started */ - -#define LOG_CHECKPOINT_FREE_PER_THREAD (4 * UNIV_PAGE_SIZE) -#define LOG_CHECKPOINT_EXTRA_FREE (8 * UNIV_PAGE_SIZE) - -/* This parameter controls asynchronous making of a new checkpoint; the value -should be bigger than LOG_POOL_PREFLUSH_RATIO_SYNC */ - -#define LOG_POOL_CHECKPOINT_RATIO_ASYNC 32 - -/* This parameter controls synchronous preflushing of modified buffer pages */ -#define LOG_POOL_PREFLUSH_RATIO_SYNC 16 - -/* The same ratio for asynchronous preflushing; this value should be less than -the previous */ -#define LOG_POOL_PREFLUSH_RATIO_ASYNC 8 - -/* Extra margin, in addition to one log file, used in archiving */ -#define LOG_ARCHIVE_EXTRA_MARGIN (4 * UNIV_PAGE_SIZE) - -/* This parameter controls asynchronous writing to the archive */ -#define LOG_ARCHIVE_RATIO_ASYNC 16 - -/* Codes used in unlocking flush latches */ -#define LOG_UNLOCK_NONE_FLUSHED_LOCK 1 -#define LOG_UNLOCK_FLUSH_LOCK 2 - -/* States of an archiving operation */ -#define LOG_ARCHIVE_READ 1 -#define LOG_ARCHIVE_WRITE 2 - -/******************************************************//** -Completes a checkpoint write i/o to a log file. */ -static -void -log_io_complete_checkpoint(void); -/*============================*/ -#ifdef UNIV_LOG_ARCHIVE -/******************************************************//** -Completes an archiving i/o. */ -static -void -log_io_complete_archive(void); -/*=========================*/ -#endif /* UNIV_LOG_ARCHIVE */ - -/****************************************************************//** -Sets the global variable log_fsp_current_free_limit. Also makes a checkpoint, -so that we know that the limit has been written to a log checkpoint field -on disk. */ -UNIV_INTERN -void -log_fsp_current_free_limit_set_and_checkpoint( -/*==========================================*/ - ulint limit) /*!< in: limit to set */ -{ - ibool success; - - mutex_enter(&(log_sys->mutex)); - - log_fsp_current_free_limit = limit; - - mutex_exit(&(log_sys->mutex)); - - /* Try to make a synchronous checkpoint */ - - success = FALSE; - - while (!success) { - success = log_checkpoint(TRUE, TRUE); - } -} - -/****************************************************************//** -Returns the oldest modified block lsn in the pool, or log_sys->lsn if none -exists. -@return LSN of oldest modification */ -static -ib_uint64_t -log_buf_pool_get_oldest_modification(void) -/*======================================*/ -{ - ib_uint64_t lsn; - - ut_ad(mutex_own(&(log_sys->mutex))); - - lsn = buf_pool_get_oldest_modification(); - - if (!lsn) { - - lsn = log_sys->lsn; - } - - return(lsn); -} - -/************************************************************//** -Opens the log for log_write_low. The log must be closed with log_close and -released with log_release. -@return start lsn of the log record */ -UNIV_INTERN -ib_uint64_t -log_reserve_and_open( -/*=================*/ - ulint len) /*!< in: length of data to be catenated */ -{ - log_t* log = log_sys; - ulint len_upper_limit; -#ifdef UNIV_LOG_ARCHIVE - ulint archived_lsn_age; - ulint dummy; -#endif /* UNIV_LOG_ARCHIVE */ -#ifdef UNIV_DEBUG - ulint count = 0; -#endif /* UNIV_DEBUG */ - - ut_a(len < log->buf_size / 2); -loop: - mutex_enter(&(log->mutex)); - ut_ad(!recv_no_log_write); - - /* Calculate an upper limit for the space the string may take in the - log buffer */ - - len_upper_limit = LOG_BUF_WRITE_MARGIN + (5 * len) / 4; - - if (log->buf_free + len_upper_limit > log->buf_size) { - - mutex_exit(&(log->mutex)); - - /* Not enough free space, do a syncronous flush of the log - buffer */ - - log_buffer_flush_to_disk(); - - srv_log_waits++; - - ut_ad(++count < 50); - - goto loop; - } - -#ifdef UNIV_LOG_ARCHIVE - if (log->archiving_state != LOG_ARCH_OFF) { - - archived_lsn_age = log->lsn - log->archived_lsn; - if (archived_lsn_age + len_upper_limit - > log->max_archived_lsn_age) { - /* Not enough free archived space in log groups: do a - synchronous archive write batch: */ - - mutex_exit(&(log->mutex)); - - ut_ad(len_upper_limit <= log->max_archived_lsn_age); - - log_archive_do(TRUE, &dummy); - - ut_ad(++count < 50); - - goto loop; - } - } -#endif /* UNIV_LOG_ARCHIVE */ - -#ifdef UNIV_LOG_DEBUG - log->old_buf_free = log->buf_free; - log->old_lsn = log->lsn; -#endif - return(log->lsn); -} - -/************************************************************//** -Writes to the log the string given. It is assumed that the caller holds the -log mutex. */ -UNIV_INTERN -void -log_write_low( -/*==========*/ - byte* str, /*!< in: string */ - ulint str_len) /*!< in: string length */ -{ - log_t* log = log_sys; - ulint len; - ulint data_len; - byte* log_block; - - ut_ad(mutex_own(&(log->mutex))); -part_loop: - ut_ad(!recv_no_log_write); - /* Calculate a part length */ - - data_len = (log->buf_free % OS_FILE_LOG_BLOCK_SIZE) + str_len; - - if (data_len <= OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { - - /* The string fits within the current log block */ - - len = str_len; - } else { - data_len = OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; - - len = OS_FILE_LOG_BLOCK_SIZE - - (log->buf_free % OS_FILE_LOG_BLOCK_SIZE) - - LOG_BLOCK_TRL_SIZE; - } - - ut_memcpy(log->buf + log->buf_free, str, len); - - str_len -= len; - str = str + len; - - log_block = ut_align_down(log->buf + log->buf_free, - OS_FILE_LOG_BLOCK_SIZE); - log_block_set_data_len(log_block, data_len); - - if (data_len == OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { - /* This block became full */ - log_block_set_data_len(log_block, OS_FILE_LOG_BLOCK_SIZE); - log_block_set_checkpoint_no(log_block, - log_sys->next_checkpoint_no); - len += LOG_BLOCK_HDR_SIZE + LOG_BLOCK_TRL_SIZE; - - log->lsn += len; - - /* Initialize the next block header */ - log_block_init(log_block + OS_FILE_LOG_BLOCK_SIZE, log->lsn); - } else { - log->lsn += len; - } - - log->buf_free += len; - - ut_ad(log->buf_free <= log->buf_size); - - if (str_len > 0) { - goto part_loop; - } - - srv_log_write_requests++; -} - -/************************************************************//** -Closes the log. -@return lsn */ -UNIV_INTERN -ib_uint64_t -log_close(void) -/*===========*/ -{ - byte* log_block; - ulint first_rec_group; - ib_uint64_t oldest_lsn; - ib_uint64_t lsn; - log_t* log = log_sys; - ib_uint64_t checkpoint_age; - - ut_ad(mutex_own(&(log->mutex))); - ut_ad(!recv_no_log_write); - - lsn = log->lsn; - - log_block = ut_align_down(log->buf + log->buf_free, - OS_FILE_LOG_BLOCK_SIZE); - first_rec_group = log_block_get_first_rec_group(log_block); - - if (first_rec_group == 0) { - /* We initialized a new log block which was not written - full by the current mtr: the next mtr log record group - will start within this block at the offset data_len */ - - log_block_set_first_rec_group( - log_block, log_block_get_data_len(log_block)); - } - - if (log->buf_free > log->max_buf_free) { - - log->check_flush_or_checkpoint = TRUE; - } - - checkpoint_age = lsn - log->last_checkpoint_lsn; - - if (checkpoint_age >= log->log_group_capacity) { - /* TODO: split btr_store_big_rec_extern_fields() into small - steps so that we can release all latches in the middle, and - call log_free_check() to ensure we never write over log written - after the latest checkpoint. In principle, we should split all - big_rec operations, but other operations are smaller. */ - - if (!log_has_printed_chkp_warning - || difftime(time(NULL), log_last_warning_time) > 15) { - - log_has_printed_chkp_warning = TRUE; - log_last_warning_time = time(NULL); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: the age of the last" - " checkpoint is %lu,\n" - "InnoDB: which exceeds the log group" - " capacity %lu.\n" - "InnoDB: If you are using big" - " BLOB or TEXT rows, you must set the\n" - "InnoDB: combined size of log files" - " at least 10 times bigger than the\n" - "InnoDB: largest such row.\n", - (ulong) checkpoint_age, - (ulong) log->log_group_capacity); - } - } - - if (checkpoint_age <= log->max_modified_age_async) { - - goto function_exit; - } - - oldest_lsn = buf_pool_get_oldest_modification(); - - if (!oldest_lsn - || lsn - oldest_lsn > log->max_modified_age_async - || checkpoint_age > log->max_checkpoint_age_async) { - - log->check_flush_or_checkpoint = TRUE; - } -function_exit: - -#ifdef UNIV_LOG_DEBUG - log_check_log_recs(log->buf + log->old_buf_free, - log->buf_free - log->old_buf_free, log->old_lsn); -#endif - - return(lsn); -} - -#ifdef UNIV_LOG_ARCHIVE -/******************************************************//** -Pads the current log block full with dummy log records. Used in producing -consistent archived log files. */ -static -void -log_pad_current_log_block(void) -/*===========================*/ -{ - byte b = MLOG_DUMMY_RECORD; - ulint pad_length; - ulint i; - ib_uint64_t lsn; - - /* We retrieve lsn only because otherwise gcc crashed on HP-UX */ - lsn = log_reserve_and_open(OS_FILE_LOG_BLOCK_SIZE); - - pad_length = OS_FILE_LOG_BLOCK_SIZE - - (log_sys->buf_free % OS_FILE_LOG_BLOCK_SIZE) - - LOG_BLOCK_TRL_SIZE; - - for (i = 0; i < pad_length; i++) { - log_write_low(&b, 1); - } - - lsn = log_sys->lsn; - - log_close(); - log_release(); - - ut_a(lsn % OS_FILE_LOG_BLOCK_SIZE == LOG_BLOCK_HDR_SIZE); -} -#endif /* UNIV_LOG_ARCHIVE */ - -/******************************************************//** -Calculates the data capacity of a log group, when the log file headers are not -included. -@return capacity in bytes */ -UNIV_INTERN -ulint -log_group_get_capacity( -/*===================*/ - const log_group_t* group) /*!< in: log group */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - return((group->file_size - LOG_FILE_HDR_SIZE) * group->n_files); -} - -/******************************************************//** -Calculates the offset within a log group, when the log file headers are not -included. -@return size offset (<= offset) */ -UNIV_INLINE -ulint -log_group_calc_size_offset( -/*=======================*/ - ulint offset, /*!< in: real offset within the - log group */ - const log_group_t* group) /*!< in: log group */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - return(offset - LOG_FILE_HDR_SIZE * (1 + offset / group->file_size)); -} - -/******************************************************//** -Calculates the offset within a log group, when the log file headers are -included. -@return real offset (>= offset) */ -UNIV_INLINE -ulint -log_group_calc_real_offset( -/*=======================*/ - ulint offset, /*!< in: size offset within the - log group */ - const log_group_t* group) /*!< in: log group */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - return(offset + LOG_FILE_HDR_SIZE - * (1 + offset / (group->file_size - LOG_FILE_HDR_SIZE))); -} - -/******************************************************//** -Calculates the offset of an lsn within a log group. -@return offset within the log group */ -static -ulint -log_group_calc_lsn_offset( -/*======================*/ - ib_uint64_t lsn, /*!< in: lsn, must be within 4 GB of - group->lsn */ - const log_group_t* group) /*!< in: log group */ -{ - ib_uint64_t gr_lsn; - ib_int64_t gr_lsn_size_offset; - ib_int64_t difference; - ib_int64_t group_size; - ib_int64_t offset; - - ut_ad(mutex_own(&(log_sys->mutex))); - - /* If total log file size is > 2 GB we can easily get overflows - with 32-bit integers. Use 64-bit integers instead. */ - - gr_lsn = group->lsn; - - gr_lsn_size_offset = (ib_int64_t) - log_group_calc_size_offset(group->lsn_offset, group); - - group_size = (ib_int64_t) log_group_get_capacity(group); - - if (lsn >= gr_lsn) { - - difference = (ib_int64_t) (lsn - gr_lsn); - } else { - difference = (ib_int64_t) (gr_lsn - lsn); - - difference = difference % group_size; - - difference = group_size - difference; - } - - offset = (gr_lsn_size_offset + difference) % group_size; - - ut_a(offset < (((ib_int64_t) 1) << 32)); /* offset must be < 4 GB */ - - /* fprintf(stderr, - "Offset is %lu gr_lsn_offset is %lu difference is %lu\n", - (ulint)offset,(ulint)gr_lsn_size_offset, (ulint)difference); - */ - - return(log_group_calc_real_offset((ulint)offset, group)); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_DEBUG -UNIV_INTERN ibool log_debug_writes = FALSE; -#endif /* UNIV_DEBUG */ - -/*******************************************************************//** -Calculates where in log files we find a specified lsn. -@return log file number */ -UNIV_INTERN -ulint -log_calc_where_lsn_is( -/*==================*/ - ib_int64_t* log_file_offset, /*!< out: offset in that file - (including the header) */ - ib_uint64_t first_header_lsn, /*!< in: first log file start - lsn */ - ib_uint64_t lsn, /*!< in: lsn whose position to - determine */ - ulint n_log_files, /*!< in: total number of log - files */ - ib_int64_t log_file_size) /*!< in: log file size - (including the header) */ -{ - ib_int64_t capacity = log_file_size - LOG_FILE_HDR_SIZE; - ulint file_no; - ib_int64_t add_this_many; - - if (lsn < first_header_lsn) { - add_this_many = 1 + (first_header_lsn - lsn) - / (capacity * (ib_int64_t)n_log_files); - lsn += add_this_many - * capacity * (ib_int64_t)n_log_files; - } - - ut_a(lsn >= first_header_lsn); - - file_no = ((ulint)((lsn - first_header_lsn) / capacity)) - % n_log_files; - *log_file_offset = (lsn - first_header_lsn) % capacity; - - *log_file_offset = *log_file_offset + LOG_FILE_HDR_SIZE; - - return(file_no); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Sets the field values in group to correspond to a given lsn. For this function -to work, the values must already be correctly initialized to correspond to -some lsn, for instance, a checkpoint lsn. */ -UNIV_INTERN -void -log_group_set_fields( -/*=================*/ - log_group_t* group, /*!< in/out: group */ - ib_uint64_t lsn) /*!< in: lsn for which the values should be - set */ -{ - group->lsn_offset = log_group_calc_lsn_offset(lsn, group); - group->lsn = lsn; -} - -/*****************************************************************//** -Calculates the recommended highest values for lsn - last_checkpoint_lsn, -lsn - buf_get_oldest_modification(), and lsn - max_archive_lsn_age. -@return error value FALSE if the smallest log group is too small to -accommodate the number of OS threads in the database server */ -static -ibool -log_calc_max_ages(void) -/*===================*/ -{ - log_group_t* group; - ulint margin; - ulint free; - ibool success = TRUE; - ulint smallest_capacity; - ulint archive_margin; - ulint smallest_archive_margin; - - mutex_enter(&(log_sys->mutex)); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - ut_ad(group); - - smallest_capacity = ULINT_MAX; - smallest_archive_margin = ULINT_MAX; - - while (group) { - if (log_group_get_capacity(group) < smallest_capacity) { - - smallest_capacity = log_group_get_capacity(group); - } - - archive_margin = log_group_get_capacity(group) - - (group->file_size - LOG_FILE_HDR_SIZE) - - LOG_ARCHIVE_EXTRA_MARGIN; - - if (archive_margin < smallest_archive_margin) { - - smallest_archive_margin = archive_margin; - } - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - /* Add extra safety */ - smallest_capacity = smallest_capacity - smallest_capacity / 10; - - /* For each OS thread we must reserve so much free space in the - smallest log group that it can accommodate the log entries produced - by single query steps: running out of free log space is a serious - system error which requires rebooting the database. */ - - free = LOG_CHECKPOINT_FREE_PER_THREAD * (10 + srv_thread_concurrency) - + LOG_CHECKPOINT_EXTRA_FREE; - if (free >= smallest_capacity / 2) { - success = FALSE; - - goto failure; - } else { - margin = smallest_capacity - free; - } - - margin = ut_min(margin, log_sys->adm_checkpoint_interval); - - margin = margin - margin / 10; /* Add still some extra safety */ - - log_sys->log_group_capacity = smallest_capacity; - - log_sys->max_modified_age_async = margin - - margin / LOG_POOL_PREFLUSH_RATIO_ASYNC; - log_sys->max_modified_age_sync = margin - - margin / LOG_POOL_PREFLUSH_RATIO_SYNC; - - log_sys->max_checkpoint_age_async = margin - margin - / LOG_POOL_CHECKPOINT_RATIO_ASYNC; - log_sys->max_checkpoint_age = margin; - -#ifdef UNIV_LOG_ARCHIVE - log_sys->max_archived_lsn_age = smallest_archive_margin; - - log_sys->max_archived_lsn_age_async = smallest_archive_margin - - smallest_archive_margin / LOG_ARCHIVE_RATIO_ASYNC; -#endif /* UNIV_LOG_ARCHIVE */ -failure: - mutex_exit(&(log_sys->mutex)); - - if (!success) { - fprintf(stderr, - "InnoDB: Error: ib_logfiles are too small" - " for innodb_thread_concurrency %lu.\n" - "InnoDB: The combined size of ib_logfiles" - " should be bigger than\n" - "InnoDB: 200 kB * innodb_thread_concurrency.\n" - "InnoDB: To get mysqld to start up, set" - " innodb_thread_concurrency in my.cnf\n" - "InnoDB: to a lower value, for example, to 8." - " After an ERROR-FREE shutdown\n" - "InnoDB: of mysqld you can adjust the size of" - " ib_logfiles, as explained in\n" - "InnoDB: " REFMAN "adding-and-removing.html\n" - "InnoDB: Cannot continue operation." - " Calling exit(1).\n", - (ulong)srv_thread_concurrency); - - exit(1); - } - - return(success); -} - -/******************************************************//** -Initializes the log. */ -UNIV_INTERN -void -log_init(void) -/*==========*/ -{ - log_sys = mem_alloc(sizeof(log_t)); - - mutex_create(&log_sys->mutex, SYNC_LOG); - - mutex_enter(&(log_sys->mutex)); - - /* Start the lsn from one log block from zero: this way every - log record has a start lsn != zero, a fact which we will use */ - - log_sys->lsn = LOG_START_LSN; - - ut_a(LOG_BUFFER_SIZE >= 16 * OS_FILE_LOG_BLOCK_SIZE); - ut_a(LOG_BUFFER_SIZE >= 4 * UNIV_PAGE_SIZE); - - log_sys->buf_ptr = mem_alloc(LOG_BUFFER_SIZE + OS_FILE_LOG_BLOCK_SIZE); - log_sys->buf = ut_align(log_sys->buf_ptr, OS_FILE_LOG_BLOCK_SIZE); - - log_sys->buf_size = LOG_BUFFER_SIZE; - - memset(log_sys->buf, '\0', LOG_BUFFER_SIZE); - - log_sys->max_buf_free = log_sys->buf_size / LOG_BUF_FLUSH_RATIO - - LOG_BUF_FLUSH_MARGIN; - log_sys->check_flush_or_checkpoint = TRUE; - UT_LIST_INIT(log_sys->log_groups); - - log_sys->n_log_ios = 0; - - log_sys->n_log_ios_old = log_sys->n_log_ios; - log_sys->last_printout_time = time(NULL); - /*----------------------------*/ - - log_sys->buf_next_to_write = 0; - - log_sys->write_lsn = 0; - log_sys->current_flush_lsn = 0; - log_sys->flushed_to_disk_lsn = 0; - - log_sys->written_to_some_lsn = log_sys->lsn; - log_sys->written_to_all_lsn = log_sys->lsn; - - log_sys->n_pending_writes = 0; - - log_sys->no_flush_event = os_event_create(NULL); - - os_event_set(log_sys->no_flush_event); - - log_sys->one_flushed_event = os_event_create(NULL); - - os_event_set(log_sys->one_flushed_event); - - /*----------------------------*/ - log_sys->adm_checkpoint_interval = ULINT_MAX; - - log_sys->next_checkpoint_no = 0; - log_sys->last_checkpoint_lsn = log_sys->lsn; - log_sys->n_pending_checkpoint_writes = 0; - - rw_lock_create(&log_sys->checkpoint_lock, SYNC_NO_ORDER_CHECK); - - log_sys->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); - log_sys->checkpoint_buf = ut_align(log_sys->checkpoint_buf_ptr, - OS_FILE_LOG_BLOCK_SIZE); - memset(log_sys->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); - /*----------------------------*/ - -#ifdef UNIV_LOG_ARCHIVE - /* Under MySQL, log archiving is always off */ - log_sys->archiving_state = LOG_ARCH_OFF; - log_sys->archived_lsn = log_sys->lsn; - log_sys->next_archived_lsn = 0; - - log_sys->n_pending_archive_ios = 0; - - rw_lock_create(&log_sys->archive_lock, SYNC_NO_ORDER_CHECK); - - log_sys->archive_buf = NULL; - - /* ut_align( - ut_malloc(LOG_ARCHIVE_BUF_SIZE - + OS_FILE_LOG_BLOCK_SIZE), - OS_FILE_LOG_BLOCK_SIZE); */ - log_sys->archive_buf_size = 0; - - /* memset(log_sys->archive_buf, '\0', LOG_ARCHIVE_BUF_SIZE); */ - - log_sys->archiving_on = os_event_create(NULL); -#endif /* UNIV_LOG_ARCHIVE */ - - /*----------------------------*/ - - log_block_init(log_sys->buf, log_sys->lsn); - log_block_set_first_rec_group(log_sys->buf, LOG_BLOCK_HDR_SIZE); - - log_sys->buf_free = LOG_BLOCK_HDR_SIZE; - log_sys->lsn = LOG_START_LSN + LOG_BLOCK_HDR_SIZE; - - mutex_exit(&(log_sys->mutex)); - -#ifdef UNIV_LOG_DEBUG - recv_sys_create(); - recv_sys_init(buf_pool_get_curr_size()); - - recv_sys->parse_start_lsn = log_sys->lsn; - recv_sys->scanned_lsn = log_sys->lsn; - recv_sys->scanned_checkpoint_no = 0; - recv_sys->recovered_lsn = log_sys->lsn; - recv_sys->limit_lsn = IB_ULONGLONG_MAX; -#endif -} - -/******************************************************************//** -Inits a log group to the log system. */ -UNIV_INTERN -void -log_group_init( -/*===========*/ - ulint id, /*!< in: group id */ - ulint n_files, /*!< in: number of log files */ - ulint file_size, /*!< in: log file size in bytes */ - ulint space_id, /*!< in: space id of the file space - which contains the log files of this - group */ - ulint archive_space_id __attribute__((unused))) - /*!< in: space id of the file space - which contains some archived log - files for this group; currently, only - for the first log group this is - used */ -{ - ulint i; - - log_group_t* group; - - group = mem_alloc(sizeof(log_group_t)); - - group->id = id; - group->n_files = n_files; - group->file_size = file_size; - group->space_id = space_id; - group->state = LOG_GROUP_OK; - group->lsn = LOG_START_LSN; - group->lsn_offset = LOG_FILE_HDR_SIZE; - group->n_pending_writes = 0; - - group->file_header_bufs_ptr = mem_alloc(sizeof(byte*) * n_files); - group->file_header_bufs = mem_alloc(sizeof(byte*) * n_files); -#ifdef UNIV_LOG_ARCHIVE - group->archive_file_header_bufs_ptr = mem_alloc( - sizeof(byte*) * n_files); - group->archive_file_header_bufs = mem_alloc(sizeof(byte*) * n_files); -#endif /* UNIV_LOG_ARCHIVE */ - - for (i = 0; i < n_files; i++) { - group->file_header_bufs_ptr[i] = mem_alloc( - LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); - - group->file_header_bufs[i] = ut_align( - group->file_header_bufs_ptr[i], - OS_FILE_LOG_BLOCK_SIZE); - - memset(*(group->file_header_bufs + i), '\0', - LOG_FILE_HDR_SIZE); - -#ifdef UNIV_LOG_ARCHIVE - group->archive_file_header_bufs_ptr[i] = mem_alloc( - LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); - - group->archive_file_header_bufs[i] = ut_align( - group->archive_file_header_bufs_ptr[i], - OS_FILE_LOG_BLOCK_SIZE); - - memset(*(group->archive_file_header_bufs + i), '\0', - LOG_FILE_HDR_SIZE); -#endif /* UNIV_LOG_ARCHIVE */ - } - -#ifdef UNIV_LOG_ARCHIVE - group->archive_space_id = archive_space_id; - - group->archived_file_no = 0; - group->archived_offset = 0; -#endif /* UNIV_LOG_ARCHIVE */ - - group->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); - group->checkpoint_buf = ut_align(group->checkpoint_buf_ptr, - OS_FILE_LOG_BLOCK_SIZE); - - memset(group->checkpoint_buf, '\0', OS_FILE_LOG_BLOCK_SIZE); - - UT_LIST_ADD_LAST(log_groups, log_sys->log_groups, group); - - ut_a(log_calc_max_ages()); -} - -/******************************************************************//** -Does the unlockings needed in flush i/o completion. */ -UNIV_INLINE -void -log_flush_do_unlocks( -/*=================*/ - ulint code) /*!< in: any ORed combination of LOG_UNLOCK_FLUSH_LOCK - and LOG_UNLOCK_NONE_FLUSHED_LOCK */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - /* NOTE that we must own the log mutex when doing the setting of the - events: this is because transactions will wait for these events to - be set, and at that moment the log flush they were waiting for must - have ended. If the log mutex were not reserved here, the i/o-thread - calling this function might be preempted for a while, and when it - resumed execution, it might be that a new flush had been started, and - this function would erroneously signal the NEW flush as completed. - Thus, the changes in the state of these events are performed - atomically in conjunction with the changes in the state of - log_sys->n_pending_writes etc. */ - - if (code & LOG_UNLOCK_NONE_FLUSHED_LOCK) { - os_event_set(log_sys->one_flushed_event); - } - - if (code & LOG_UNLOCK_FLUSH_LOCK) { - os_event_set(log_sys->no_flush_event); - } -} - -/******************************************************************//** -Checks if a flush is completed for a log group and does the completion -routine if yes. -@return LOG_UNLOCK_NONE_FLUSHED_LOCK or 0 */ -UNIV_INLINE -ulint -log_group_check_flush_completion( -/*=============================*/ - log_group_t* group) /*!< in: log group */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - if (!log_sys->one_flushed && group->n_pending_writes == 0) { -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Log flushed first to group %lu\n", - (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - log_sys->written_to_some_lsn = log_sys->write_lsn; - log_sys->one_flushed = TRUE; - - return(LOG_UNLOCK_NONE_FLUSHED_LOCK); - } - -#ifdef UNIV_DEBUG - if (log_debug_writes && (group->n_pending_writes == 0)) { - - fprintf(stderr, "Log flushed to group %lu\n", - (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - return(0); -} - -/******************************************************//** -Checks if a flush is completed and does the completion routine if yes. -@return LOG_UNLOCK_FLUSH_LOCK or 0 */ -static -ulint -log_sys_check_flush_completion(void) -/*================================*/ -{ - ulint move_start; - ulint move_end; - - ut_ad(mutex_own(&(log_sys->mutex))); - - if (log_sys->n_pending_writes == 0) { - - log_sys->written_to_all_lsn = log_sys->write_lsn; - log_sys->buf_next_to_write = log_sys->write_end_offset; - - if (log_sys->write_end_offset > log_sys->max_buf_free / 2) { - /* Move the log buffer content to the start of the - buffer */ - - move_start = ut_calc_align_down( - log_sys->write_end_offset, - OS_FILE_LOG_BLOCK_SIZE); - move_end = ut_calc_align(log_sys->buf_free, - OS_FILE_LOG_BLOCK_SIZE); - - ut_memmove(log_sys->buf, log_sys->buf + move_start, - move_end - move_start); - log_sys->buf_free -= move_start; - - log_sys->buf_next_to_write -= move_start; - } - - return(LOG_UNLOCK_FLUSH_LOCK); - } - - return(0); -} - -/******************************************************//** -Completes an i/o to a log file. */ -UNIV_INTERN -void -log_io_complete( -/*============*/ - log_group_t* group) /*!< in: log group or a dummy pointer */ -{ - ulint unlock; - -#ifdef UNIV_LOG_ARCHIVE - if ((byte*)group == &log_archive_io) { - /* It was an archive write */ - - log_io_complete_archive(); - - return; - } -#endif /* UNIV_LOG_ARCHIVE */ - - if ((ulint)group & 0x1UL) { - /* It was a checkpoint write */ - group = (log_group_t*)((ulint)group - 1); - - if (srv_unix_file_flush_method != SRV_UNIX_O_DSYNC - && srv_unix_file_flush_method != SRV_UNIX_NOSYNC) { - - fil_flush(group->space_id); - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Checkpoint info written to group %lu\n", - group->id); - } -#endif /* UNIV_DEBUG */ - log_io_complete_checkpoint(); - - return; - } - - ut_error; /*!< We currently use synchronous writing of the - logs and cannot end up here! */ - - if (srv_unix_file_flush_method != SRV_UNIX_O_DSYNC - && srv_unix_file_flush_method != SRV_UNIX_NOSYNC - && srv_flush_log_at_trx_commit != 2) { - - fil_flush(group->space_id); - } - - mutex_enter(&(log_sys->mutex)); - ut_ad(!recv_no_log_write); - - ut_a(group->n_pending_writes > 0); - ut_a(log_sys->n_pending_writes > 0); - - group->n_pending_writes--; - log_sys->n_pending_writes--; - - unlock = log_group_check_flush_completion(group); - unlock = unlock | log_sys_check_flush_completion(); - - log_flush_do_unlocks(unlock); - - mutex_exit(&(log_sys->mutex)); -} - -/******************************************************//** -Writes a log file header to a log file space. */ -static -void -log_group_file_header_flush( -/*========================*/ - log_group_t* group, /*!< in: log group */ - ulint nth_file, /*!< in: header to the nth file in the - log file space */ - ib_uint64_t start_lsn) /*!< in: log file data starts at this - lsn */ -{ - byte* buf; - ulint dest_offset; - - ut_ad(mutex_own(&(log_sys->mutex))); - ut_ad(!recv_no_log_write); - ut_a(nth_file < group->n_files); - - buf = *(group->file_header_bufs + nth_file); - - mach_write_to_4(buf + LOG_GROUP_ID, group->id); - mach_write_ull(buf + LOG_FILE_START_LSN, start_lsn); - - /* Wipe over possible label of ibbackup --restore */ - memcpy(buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, " ", 4); - - dest_offset = nth_file * group->file_size; - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Writing log file header to group %lu file %lu\n", - (ulong) group->id, (ulong) nth_file); - } -#endif /* UNIV_DEBUG */ - if (log_do_write) { - log_sys->n_log_ios++; - - srv_os_log_pending_writes++; - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->space_id, 0, - dest_offset / UNIV_PAGE_SIZE, - dest_offset % UNIV_PAGE_SIZE, - OS_FILE_LOG_BLOCK_SIZE, - buf, group); - - srv_os_log_pending_writes--; - } -} - -/******************************************************//** -Stores a 4-byte checksum to the trailer checksum field of a log block -before writing it to a log file. This checksum is used in recovery to -check the consistency of a log block. */ -static -void -log_block_store_checksum( -/*=====================*/ - byte* block) /*!< in/out: pointer to a log block */ -{ - log_block_set_checksum(block, log_block_calc_checksum(block)); -} - -/******************************************************//** -Writes a buffer to a log file group. */ -UNIV_INTERN -void -log_group_write_buf( -/*================*/ - log_group_t* group, /*!< in: log group */ - byte* buf, /*!< in: buffer */ - ulint len, /*!< in: buffer len; must be divisible - by OS_FILE_LOG_BLOCK_SIZE */ - ib_uint64_t start_lsn, /*!< in: start lsn of the buffer; must - be divisible by - OS_FILE_LOG_BLOCK_SIZE */ - ulint new_data_offset)/*!< in: start offset of new data in - buf: this parameter is used to decide - if we have to write a new log file - header */ -{ - ulint write_len; - ibool write_header; - ulint next_offset; - ulint i; - - ut_ad(mutex_own(&(log_sys->mutex))); - ut_ad(!recv_no_log_write); - ut_a(len % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_a(((ulint) start_lsn) % OS_FILE_LOG_BLOCK_SIZE == 0); - - if (new_data_offset == 0) { - write_header = TRUE; - } else { - write_header = FALSE; - } -loop: - if (len == 0) { - - return; - } - - next_offset = log_group_calc_lsn_offset(start_lsn, group); - - if ((next_offset % group->file_size == LOG_FILE_HDR_SIZE) - && write_header) { - /* We start to write a new log file instance in the group */ - - log_group_file_header_flush(group, - next_offset / group->file_size, - start_lsn); - srv_os_log_written+= OS_FILE_LOG_BLOCK_SIZE; - srv_log_writes++; - } - - if ((next_offset % group->file_size) + len > group->file_size) { - - write_len = group->file_size - - (next_offset % group->file_size); - } else { - write_len = len; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - - fprintf(stderr, - "Writing log file segment to group %lu" - " offset %lu len %lu\n" - "start lsn %llu\n" - "First block n:o %lu last block n:o %lu\n", - (ulong) group->id, (ulong) next_offset, - (ulong) write_len, - start_lsn, - (ulong) log_block_get_hdr_no(buf), - (ulong) log_block_get_hdr_no( - buf + write_len - OS_FILE_LOG_BLOCK_SIZE)); - ut_a(log_block_get_hdr_no(buf) - == log_block_convert_lsn_to_no(start_lsn)); - - for (i = 0; i < write_len / OS_FILE_LOG_BLOCK_SIZE; i++) { - - ut_a(log_block_get_hdr_no(buf) + i - == log_block_get_hdr_no( - buf + i * OS_FILE_LOG_BLOCK_SIZE)); - } - } -#endif /* UNIV_DEBUG */ - /* Calculate the checksums for each log block and write them to - the trailer fields of the log blocks */ - - for (i = 0; i < write_len / OS_FILE_LOG_BLOCK_SIZE; i++) { - log_block_store_checksum(buf + i * OS_FILE_LOG_BLOCK_SIZE); - } - - if (log_do_write) { - log_sys->n_log_ios++; - - srv_os_log_pending_writes++; - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->space_id, 0, - next_offset / UNIV_PAGE_SIZE, - next_offset % UNIV_PAGE_SIZE, write_len, buf, group); - - srv_os_log_pending_writes--; - - srv_os_log_written+= write_len; - srv_log_writes++; - } - - if (write_len < len) { - start_lsn += write_len; - len -= write_len; - buf += write_len; - - write_header = TRUE; - - goto loop; - } -} - -/******************************************************//** -This function is called, e.g., when a transaction wants to commit. It checks -that the log has been written to the log file up to the last log entry written -by the transaction. If there is a flush running, it waits and checks if the -flush flushed enough. If not, starts a new flush. */ -UNIV_INTERN -void -log_write_up_to( -/*============*/ - ib_uint64_t lsn, /*!< in: log sequence number up to which - the log should be written, - IB_ULONGLONG_MAX if not specified */ - ulint wait, /*!< in: LOG_NO_WAIT, LOG_WAIT_ONE_GROUP, - or LOG_WAIT_ALL_GROUPS */ - ibool flush_to_disk) - /*!< in: TRUE if we want the written log - also to be flushed to disk */ -{ - log_group_t* group; - ulint start_offset; - ulint end_offset; - ulint area_start; - ulint area_end; -#ifdef UNIV_DEBUG - ulint loop_count = 0; -#endif /* UNIV_DEBUG */ - ulint unlock; - - if (recv_no_ibuf_operations) { - /* Recovery is running and no operations on the log files are - allowed yet (the variable name .._no_ibuf_.. is misleading) */ - - return; - } - -loop: -#ifdef UNIV_DEBUG - loop_count++; - - ut_ad(loop_count < 5); - -# if 0 - if (loop_count > 2) { - fprintf(stderr, "Log loop count %lu\n", loop_count); - } -# endif -#endif - - mutex_enter(&(log_sys->mutex)); - ut_ad(!recv_no_log_write); - - if (flush_to_disk - && log_sys->flushed_to_disk_lsn >= lsn) { - - mutex_exit(&(log_sys->mutex)); - - return; - } - - if (!flush_to_disk - && (log_sys->written_to_all_lsn >= lsn - || (log_sys->written_to_some_lsn >= lsn - && wait != LOG_WAIT_ALL_GROUPS))) { - - mutex_exit(&(log_sys->mutex)); - - return; - } - - if (log_sys->n_pending_writes > 0) { - /* A write (+ possibly flush to disk) is running */ - - if (flush_to_disk - && log_sys->current_flush_lsn >= lsn) { - /* The write + flush will write enough: wait for it to - complete */ - - goto do_waits; - } - - if (!flush_to_disk - && log_sys->write_lsn >= lsn) { - /* The write will write enough: wait for it to - complete */ - - goto do_waits; - } - - mutex_exit(&(log_sys->mutex)); - - /* Wait for the write to complete and try to start a new - write */ - - os_event_wait(log_sys->no_flush_event); - - goto loop; - } - - if (!flush_to_disk - && log_sys->buf_free == log_sys->buf_next_to_write) { - /* Nothing to write and no flush to disk requested */ - - mutex_exit(&(log_sys->mutex)); - - return; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Writing log from %llu up to lsn %llu\n", - log_sys->written_to_all_lsn, - log_sys->lsn); - } -#endif /* UNIV_DEBUG */ - log_sys->n_pending_writes++; - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - group->n_pending_writes++; /*!< We assume here that we have only - one log group! */ - - os_event_reset(log_sys->no_flush_event); - os_event_reset(log_sys->one_flushed_event); - - start_offset = log_sys->buf_next_to_write; - end_offset = log_sys->buf_free; - - area_start = ut_calc_align_down(start_offset, OS_FILE_LOG_BLOCK_SIZE); - area_end = ut_calc_align(end_offset, OS_FILE_LOG_BLOCK_SIZE); - - ut_ad(area_end - area_start > 0); - - log_sys->write_lsn = log_sys->lsn; - - if (flush_to_disk) { - log_sys->current_flush_lsn = log_sys->lsn; - } - - log_sys->one_flushed = FALSE; - - log_block_set_flush_bit(log_sys->buf + area_start, TRUE); - log_block_set_checkpoint_no( - log_sys->buf + area_end - OS_FILE_LOG_BLOCK_SIZE, - log_sys->next_checkpoint_no); - - /* Copy the last, incompletely written, log block a log block length - up, so that when the flush operation writes from the log buffer, the - segment to write will not be changed by writers to the log */ - - ut_memcpy(log_sys->buf + area_end, - log_sys->buf + area_end - OS_FILE_LOG_BLOCK_SIZE, - OS_FILE_LOG_BLOCK_SIZE); - - log_sys->buf_free += OS_FILE_LOG_BLOCK_SIZE; - log_sys->write_end_offset = log_sys->buf_free; - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - /* Do the write to the log files */ - - while (group) { - log_group_write_buf( - group, log_sys->buf + area_start, - area_end - area_start, - ut_uint64_align_down(log_sys->written_to_all_lsn, - OS_FILE_LOG_BLOCK_SIZE), - start_offset - area_start); - - log_group_set_fields(group, log_sys->write_lsn); - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - mutex_exit(&(log_sys->mutex)); - - if (srv_unix_file_flush_method == SRV_UNIX_O_DSYNC) { - /* O_DSYNC means the OS did not buffer the log file at all: - so we have also flushed to disk what we have written */ - - log_sys->flushed_to_disk_lsn = log_sys->write_lsn; - - } else if (flush_to_disk) { - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - fil_flush(group->space_id); - log_sys->flushed_to_disk_lsn = log_sys->write_lsn; - } - - mutex_enter(&(log_sys->mutex)); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - ut_a(group->n_pending_writes == 1); - ut_a(log_sys->n_pending_writes == 1); - - group->n_pending_writes--; - log_sys->n_pending_writes--; - - unlock = log_group_check_flush_completion(group); - unlock = unlock | log_sys_check_flush_completion(); - - log_flush_do_unlocks(unlock); - - mutex_exit(&(log_sys->mutex)); - - return; - -do_waits: - mutex_exit(&(log_sys->mutex)); - - switch (wait) { - case LOG_WAIT_ONE_GROUP: - os_event_wait(log_sys->one_flushed_event); - break; - case LOG_WAIT_ALL_GROUPS: - os_event_wait(log_sys->no_flush_event); - break; -#ifdef UNIV_DEBUG - case LOG_NO_WAIT: - break; - default: - ut_error; -#endif /* UNIV_DEBUG */ - } -} - -/****************************************************************//** -Does a syncronous flush of the log buffer to disk. */ -UNIV_INTERN -void -log_buffer_flush_to_disk(void) -/*==========================*/ -{ - ib_uint64_t lsn; - - mutex_enter(&(log_sys->mutex)); - - lsn = log_sys->lsn; - - mutex_exit(&(log_sys->mutex)); - - log_write_up_to(lsn, LOG_WAIT_ALL_GROUPS, TRUE); -} - -/****************************************************************//** -This functions writes the log buffer to the log file and if 'flush' -is set it forces a flush of the log file as well. This is meant to be -called from background master thread only as it does not wait for -the write (+ possible flush) to finish. */ -UNIV_INTERN -void -log_buffer_sync_in_background( -/*==========================*/ - ibool flush) /*!< in: flush the logs to disk */ -{ - ib_uint64_t lsn; - - mutex_enter(&(log_sys->mutex)); - - lsn = log_sys->lsn; - - mutex_exit(&(log_sys->mutex)); - - log_write_up_to(lsn, LOG_NO_WAIT, flush); -} - -/******************************************************************** - -Tries to establish a big enough margin of free space in the log buffer, such -that a new log entry can be catenated without an immediate need for a flush. */ -static -void -log_flush_margin(void) -/*==================*/ -{ - log_t* log = log_sys; - ib_uint64_t lsn = 0; - - mutex_enter(&(log->mutex)); - - if (log->buf_free > log->max_buf_free) { - - if (log->n_pending_writes > 0) { - /* A flush is running: hope that it will provide enough - free space */ - } else { - lsn = log->lsn; - } - } - - mutex_exit(&(log->mutex)); - - if (lsn) { - log_write_up_to(lsn, LOG_NO_WAIT, FALSE); - } -} - -/****************************************************************//** -Advances the smallest lsn for which there are unflushed dirty blocks in the -buffer pool. NOTE: this function may only be called if the calling thread owns -no synchronization objects! -@return FALSE if there was a flush batch of the same type running, -which means that we could not start this flush batch */ -UNIV_INTERN -ibool -log_preflush_pool_modified_pages( -/*=============================*/ - ib_uint64_t new_oldest, /*!< in: try to advance - oldest_modified_lsn at least - to this lsn */ - ibool sync) /*!< in: TRUE if synchronous - operation is desired */ -{ - ulint n_pages; - - if (recv_recovery_on) { - /* If the recovery is running, we must first apply all - log records to their respective file pages to get the - right modify lsn values to these pages: otherwise, there - might be pages on disk which are not yet recovered to the - current lsn, and even after calling this function, we could - not know how up-to-date the disk version of the database is, - and we could not make a new checkpoint on the basis of the - info on the buffer pool only. */ - - recv_apply_hashed_log_recs(TRUE); - } - - n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, new_oldest); - - if (sync) { - buf_flush_wait_batch_end(BUF_FLUSH_LIST); - } - - if (n_pages == ULINT_UNDEFINED) { - - return(FALSE); - } - - return(TRUE); -} - -/******************************************************//** -Completes a checkpoint. */ -static -void -log_complete_checkpoint(void) -/*=========================*/ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - ut_ad(log_sys->n_pending_checkpoint_writes == 0); - - log_sys->next_checkpoint_no++; - - log_sys->last_checkpoint_lsn = log_sys->next_checkpoint_lsn; - - rw_lock_x_unlock_gen(&(log_sys->checkpoint_lock), LOG_CHECKPOINT); -} - -/******************************************************//** -Completes an asynchronous checkpoint info write i/o to a log file. */ -static -void -log_io_complete_checkpoint(void) -/*============================*/ -{ - mutex_enter(&(log_sys->mutex)); - - ut_ad(log_sys->n_pending_checkpoint_writes > 0); - - log_sys->n_pending_checkpoint_writes--; - - if (log_sys->n_pending_checkpoint_writes == 0) { - log_complete_checkpoint(); - } - - mutex_exit(&(log_sys->mutex)); -} - -/*******************************************************************//** -Writes info to a checkpoint about a log group. */ -static -void -log_checkpoint_set_nth_group_info( -/*==============================*/ - byte* buf, /*!< in: buffer for checkpoint info */ - ulint n, /*!< in: nth slot */ - ulint file_no,/*!< in: archived file number */ - ulint offset) /*!< in: archived file offset */ -{ - ut_ad(n < LOG_MAX_N_GROUPS); - - mach_write_to_4(buf + LOG_CHECKPOINT_GROUP_ARRAY - + 8 * n + LOG_CHECKPOINT_ARCHIVED_FILE_NO, file_no); - mach_write_to_4(buf + LOG_CHECKPOINT_GROUP_ARRAY - + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET, offset); -} - -/*******************************************************************//** -Gets info from a checkpoint about a log group. */ -UNIV_INTERN -void -log_checkpoint_get_nth_group_info( -/*==============================*/ - const byte* buf, /*!< in: buffer containing checkpoint info */ - ulint n, /*!< in: nth slot */ - ulint* file_no,/*!< out: archived file number */ - ulint* offset) /*!< out: archived file offset */ -{ - ut_ad(n < LOG_MAX_N_GROUPS); - - *file_no = mach_read_from_4(buf + LOG_CHECKPOINT_GROUP_ARRAY - + 8 * n + LOG_CHECKPOINT_ARCHIVED_FILE_NO); - *offset = mach_read_from_4(buf + LOG_CHECKPOINT_GROUP_ARRAY - + 8 * n + LOG_CHECKPOINT_ARCHIVED_OFFSET); -} - -/******************************************************//** -Writes the checkpoint info to a log group header. */ -static -void -log_group_checkpoint( -/*=================*/ - log_group_t* group) /*!< in: log group */ -{ - log_group_t* group2; -#ifdef UNIV_LOG_ARCHIVE - ib_uint64_t archived_lsn; - ib_uint64_t next_archived_lsn; -#endif /* UNIV_LOG_ARCHIVE */ - ulint write_offset; - ulint fold; - byte* buf; - ulint i; - - ut_ad(mutex_own(&(log_sys->mutex))); -#if LOG_CHECKPOINT_SIZE > OS_FILE_LOG_BLOCK_SIZE -# error "LOG_CHECKPOINT_SIZE > OS_FILE_LOG_BLOCK_SIZE" -#endif - - buf = group->checkpoint_buf; - - mach_write_ull(buf + LOG_CHECKPOINT_NO, log_sys->next_checkpoint_no); - mach_write_ull(buf + LOG_CHECKPOINT_LSN, log_sys->next_checkpoint_lsn); - - mach_write_to_4(buf + LOG_CHECKPOINT_OFFSET, - log_group_calc_lsn_offset( - log_sys->next_checkpoint_lsn, group)); - - mach_write_to_4(buf + LOG_CHECKPOINT_LOG_BUF_SIZE, log_sys->buf_size); - -#ifdef UNIV_LOG_ARCHIVE - if (log_sys->archiving_state == LOG_ARCH_OFF) { - archived_lsn = IB_ULONGLONG_MAX; - } else { - archived_lsn = log_sys->archived_lsn; - - if (archived_lsn != log_sys->next_archived_lsn) { - next_archived_lsn = log_sys->next_archived_lsn; - /* For debugging only */ - } - } - - mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, archived_lsn); -#else /* UNIV_LOG_ARCHIVE */ - mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, IB_ULONGLONG_MAX); -#endif /* UNIV_LOG_ARCHIVE */ - - for (i = 0; i < LOG_MAX_N_GROUPS; i++) { - log_checkpoint_set_nth_group_info(buf, i, 0, 0); - } - - group2 = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group2) { - log_checkpoint_set_nth_group_info(buf, group2->id, -#ifdef UNIV_LOG_ARCHIVE - group2->archived_file_no, - group2->archived_offset -#else /* UNIV_LOG_ARCHIVE */ - 0, 0 -#endif /* UNIV_LOG_ARCHIVE */ - ); - - group2 = UT_LIST_GET_NEXT(log_groups, group2); - } - - fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); - mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_1, fold); - - fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, - LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); - mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_2, fold); - - /* Starting from InnoDB-3.23.50, we also write info on allocated - size in the tablespace */ - - mach_write_to_4(buf + LOG_CHECKPOINT_FSP_FREE_LIMIT, - log_fsp_current_free_limit); - - mach_write_to_4(buf + LOG_CHECKPOINT_FSP_MAGIC_N, - LOG_CHECKPOINT_FSP_MAGIC_N_VAL); - - /* We alternate the physical place of the checkpoint info in the first - log file */ - - if ((log_sys->next_checkpoint_no & 1) == 0) { - write_offset = LOG_CHECKPOINT_1; - } else { - write_offset = LOG_CHECKPOINT_2; - } - - if (log_do_write) { - if (log_sys->n_pending_checkpoint_writes == 0) { - - rw_lock_x_lock_gen(&(log_sys->checkpoint_lock), - LOG_CHECKPOINT); - } - - log_sys->n_pending_checkpoint_writes++; - - log_sys->n_log_ios++; - - /* We send as the last parameter the group machine address - added with 1, as we want to distinguish between a normal log - file write and a checkpoint field write */ - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, FALSE, group->space_id, 0, - write_offset / UNIV_PAGE_SIZE, - write_offset % UNIV_PAGE_SIZE, - OS_FILE_LOG_BLOCK_SIZE, - buf, ((byte*)group + 1)); - - ut_ad(((ulint)group & 0x1UL) == 0); - } -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_HOTBACKUP -/******************************************************//** -Writes info to a buffer of a log group when log files are created in -backup restoration. */ -UNIV_INTERN -void -log_reset_first_header_and_checkpoint( -/*==================================*/ - byte* hdr_buf,/*!< in: buffer which will be written to the - start of the first log file */ - ib_uint64_t start) /*!< in: lsn of the start of the first log file; - we pretend that there is a checkpoint at - start + LOG_BLOCK_HDR_SIZE */ -{ - ulint fold; - byte* buf; - ib_uint64_t lsn; - - mach_write_to_4(hdr_buf + LOG_GROUP_ID, 0); - mach_write_ull(hdr_buf + LOG_FILE_START_LSN, start); - - lsn = start + LOG_BLOCK_HDR_SIZE; - - /* Write the label of ibbackup --restore */ - strcpy((char*) hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, - "ibbackup "); - ut_sprintf_timestamp((char*) hdr_buf - + (LOG_FILE_WAS_CREATED_BY_HOT_BACKUP - + (sizeof "ibbackup ") - 1)); - buf = hdr_buf + LOG_CHECKPOINT_1; - - mach_write_ull(buf + LOG_CHECKPOINT_NO, 0); - mach_write_ull(buf + LOG_CHECKPOINT_LSN, lsn); - - mach_write_to_4(buf + LOG_CHECKPOINT_OFFSET, - LOG_FILE_HDR_SIZE + LOG_BLOCK_HDR_SIZE); - - mach_write_to_4(buf + LOG_CHECKPOINT_LOG_BUF_SIZE, 2 * 1024 * 1024); - - mach_write_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN, IB_ULONGLONG_MAX); - - fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); - mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_1, fold); - - fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, - LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); - mach_write_to_4(buf + LOG_CHECKPOINT_CHECKSUM_2, fold); - - /* Starting from InnoDB-3.23.50, we should also write info on - allocated size in the tablespace, but unfortunately we do not - know it here */ -} -#endif /* UNIV_HOTBACKUP */ - -#ifndef UNIV_HOTBACKUP -/******************************************************//** -Reads a checkpoint info from a log group header to log_sys->checkpoint_buf. */ -UNIV_INTERN -void -log_group_read_checkpoint_info( -/*===========================*/ - log_group_t* group, /*!< in: log group */ - ulint field) /*!< in: LOG_CHECKPOINT_1 or LOG_CHECKPOINT_2 */ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - log_sys->n_log_ios++; - - fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, group->space_id, 0, - field / UNIV_PAGE_SIZE, field % UNIV_PAGE_SIZE, - OS_FILE_LOG_BLOCK_SIZE, log_sys->checkpoint_buf, NULL); -} - -/******************************************************//** -Writes checkpoint info to groups. */ -UNIV_INTERN -void -log_groups_write_checkpoint_info(void) -/*==================================*/ -{ - log_group_t* group; - - ut_ad(mutex_own(&(log_sys->mutex))); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group) { - log_group_checkpoint(group); - - group = UT_LIST_GET_NEXT(log_groups, group); - } -} - -/******************************************************//** -Makes a checkpoint. Note that this function does not flush dirty -blocks from the buffer pool: it only checks what is lsn of the oldest -modification in the pool, and writes information about the lsn in -log files. Use log_make_checkpoint_at to flush also the pool. -@return TRUE if success, FALSE if a checkpoint write was already running */ -UNIV_INTERN -ibool -log_checkpoint( -/*===========*/ - ibool sync, /*!< in: TRUE if synchronous operation is - desired */ - ibool write_always) /*!< in: the function normally checks if the - the new checkpoint would have a greater - lsn than the previous one: if not, then no - physical write is done; by setting this - parameter TRUE, a physical write will always be - made to log files */ -{ - ib_uint64_t oldest_lsn; - - if (recv_recovery_is_on()) { - recv_apply_hashed_log_recs(TRUE); - } - - if (srv_unix_file_flush_method != SRV_UNIX_NOSYNC) { - fil_flush_file_spaces(FIL_TABLESPACE); - } - - mutex_enter(&(log_sys->mutex)); - - ut_ad(!recv_no_log_write); - oldest_lsn = log_buf_pool_get_oldest_modification(); - - mutex_exit(&(log_sys->mutex)); - - /* Because log also contains headers and dummy log records, - if the buffer pool contains no dirty buffers, oldest_lsn - gets the value log_sys->lsn from the previous function, - and we must make sure that the log is flushed up to that - lsn. If there are dirty buffers in the buffer pool, then our - write-ahead-logging algorithm ensures that the log has been flushed - up to oldest_lsn. */ - - log_write_up_to(oldest_lsn, LOG_WAIT_ALL_GROUPS, TRUE); - - mutex_enter(&(log_sys->mutex)); - - if (!write_always - && log_sys->last_checkpoint_lsn >= oldest_lsn) { - - mutex_exit(&(log_sys->mutex)); - - return(TRUE); - } - - ut_ad(log_sys->flushed_to_disk_lsn >= oldest_lsn); - - if (log_sys->n_pending_checkpoint_writes > 0) { - /* A checkpoint write is running */ - - mutex_exit(&(log_sys->mutex)); - - if (sync) { - /* Wait for the checkpoint write to complete */ - rw_lock_s_lock(&(log_sys->checkpoint_lock)); - rw_lock_s_unlock(&(log_sys->checkpoint_lock)); - } - - return(FALSE); - } - - log_sys->next_checkpoint_lsn = oldest_lsn; - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, "Making checkpoint no %lu at lsn %llu\n", - (ulong) log_sys->next_checkpoint_no, - oldest_lsn); - } -#endif /* UNIV_DEBUG */ - - log_groups_write_checkpoint_info(); - - mutex_exit(&(log_sys->mutex)); - - if (sync) { - /* Wait for the checkpoint write to complete */ - rw_lock_s_lock(&(log_sys->checkpoint_lock)); - rw_lock_s_unlock(&(log_sys->checkpoint_lock)); - } - - return(TRUE); -} - -/****************************************************************//** -Makes a checkpoint at a given lsn or later. */ -UNIV_INTERN -void -log_make_checkpoint_at( -/*===================*/ - ib_uint64_t lsn, /*!< in: make a checkpoint at this or a - later lsn, if IB_ULONGLONG_MAX, makes - a checkpoint at the latest lsn */ - ibool write_always) /*!< in: the function normally checks if - the new checkpoint would have a - greater lsn than the previous one: if - not, then no physical write is done; - by setting this parameter TRUE, a - physical write will always be made to - log files */ -{ - /* Preflush pages synchronously */ - - while (!log_preflush_pool_modified_pages(lsn, TRUE)); - - while (!log_checkpoint(TRUE, write_always)); -} - -/****************************************************************//** -Tries to establish a big enough margin of free space in the log groups, such -that a new log entry can be catenated without an immediate need for a -checkpoint. NOTE: this function may only be called if the calling thread -owns no synchronization objects! */ -static -void -log_checkpoint_margin(void) -/*=======================*/ -{ - log_t* log = log_sys; - ib_uint64_t age; - ib_uint64_t checkpoint_age; - ib_uint64_t advance; - ib_uint64_t oldest_lsn; - ibool sync; - ibool checkpoint_sync; - ibool do_checkpoint; - ibool success; -loop: - sync = FALSE; - checkpoint_sync = FALSE; - do_checkpoint = FALSE; - - mutex_enter(&(log->mutex)); - ut_ad(!recv_no_log_write); - - if (log->check_flush_or_checkpoint == FALSE) { - mutex_exit(&(log->mutex)); - - return; - } - - oldest_lsn = log_buf_pool_get_oldest_modification(); - - age = log->lsn - oldest_lsn; - - if (age > log->max_modified_age_sync) { - - /* A flush is urgent: we have to do a synchronous preflush */ - - sync = TRUE; - advance = 2 * (age - log->max_modified_age_sync); - } else if (age > log->max_modified_age_async) { - - /* A flush is not urgent: we do an asynchronous preflush */ - advance = age - log->max_modified_age_async; - } else { - advance = 0; - } - - checkpoint_age = log->lsn - log->last_checkpoint_lsn; - - if (checkpoint_age > log->max_checkpoint_age) { - /* A checkpoint is urgent: we do it synchronously */ - - checkpoint_sync = TRUE; - - do_checkpoint = TRUE; - - } else if (checkpoint_age > log->max_checkpoint_age_async) { - /* A checkpoint is not urgent: do it asynchronously */ - - do_checkpoint = TRUE; - - log->check_flush_or_checkpoint = FALSE; - } else { - log->check_flush_or_checkpoint = FALSE; - } - - mutex_exit(&(log->mutex)); - - if (advance) { - ib_uint64_t new_oldest = oldest_lsn + advance; - - success = log_preflush_pool_modified_pages(new_oldest, sync); - - /* If the flush succeeded, this thread has done its part - and can proceed. If it did not succeed, there was another - thread doing a flush at the same time. If sync was FALSE, - the flush was not urgent, and we let this thread proceed. - Otherwise, we let it start from the beginning again. */ - - if (sync && !success) { - mutex_enter(&(log->mutex)); - - log->check_flush_or_checkpoint = TRUE; - - mutex_exit(&(log->mutex)); - goto loop; - } - } - - if (do_checkpoint) { - log_checkpoint(checkpoint_sync, FALSE); - - if (checkpoint_sync) { - - goto loop; - } - } -} - -/******************************************************//** -Reads a specified log segment to a buffer. */ -UNIV_INTERN -void -log_group_read_log_seg( -/*===================*/ - ulint type, /*!< in: LOG_ARCHIVE or LOG_RECOVER */ - byte* buf, /*!< in: buffer where to read */ - log_group_t* group, /*!< in: log group */ - ib_uint64_t start_lsn, /*!< in: read area start */ - ib_uint64_t end_lsn) /*!< in: read area end */ -{ - ulint len; - ulint source_offset; - ibool sync; - - ut_ad(mutex_own(&(log_sys->mutex))); - - sync = (type == LOG_RECOVER); -loop: - source_offset = log_group_calc_lsn_offset(start_lsn, group); - - len = (ulint) (end_lsn - start_lsn); - - ut_ad(len != 0); - - if ((source_offset % group->file_size) + len > group->file_size) { - - len = group->file_size - (source_offset % group->file_size); - } - -#ifdef UNIV_LOG_ARCHIVE - if (type == LOG_ARCHIVE) { - - log_sys->n_pending_archive_ios++; - } -#endif /* UNIV_LOG_ARCHIVE */ - - log_sys->n_log_ios++; - - fil_io(OS_FILE_READ | OS_FILE_LOG, sync, group->space_id, 0, - source_offset / UNIV_PAGE_SIZE, source_offset % UNIV_PAGE_SIZE, - len, buf, NULL); - - start_lsn += len; - buf += len; - - if (start_lsn != end_lsn) { - - goto loop; - } -} - -#ifdef UNIV_LOG_ARCHIVE -/******************************************************//** -Generates an archived log file name. */ -UNIV_INTERN -void -log_archived_file_name_gen( -/*=======================*/ - char* buf, /*!< in: buffer where to write */ - ulint id __attribute__((unused)), - /*!< in: group id; - currently we only archive the first group */ - ulint file_no)/*!< in: file number */ -{ - sprintf(buf, "%sib_arch_log_%010lu", srv_arch_dir, (ulong) file_no); -} - -/******************************************************//** -Writes a log file header to a log file space. */ -static -void -log_group_archive_file_header_write( -/*================================*/ - log_group_t* group, /*!< in: log group */ - ulint nth_file, /*!< in: header to the nth file in the - archive log file space */ - ulint file_no, /*!< in: archived file number */ - ib_uint64_t start_lsn) /*!< in: log file data starts at this - lsn */ -{ - byte* buf; - ulint dest_offset; - - ut_ad(mutex_own(&(log_sys->mutex))); - - ut_a(nth_file < group->n_files); - - buf = *(group->archive_file_header_bufs + nth_file); - - mach_write_to_4(buf + LOG_GROUP_ID, group->id); - mach_write_ull(buf + LOG_FILE_START_LSN, start_lsn); - mach_write_to_4(buf + LOG_FILE_NO, file_no); - - mach_write_to_4(buf + LOG_FILE_ARCH_COMPLETED, FALSE); - - dest_offset = nth_file * group->file_size; - - log_sys->n_log_ios++; - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->archive_space_id, - dest_offset / UNIV_PAGE_SIZE, - dest_offset % UNIV_PAGE_SIZE, - 2 * OS_FILE_LOG_BLOCK_SIZE, - buf, &log_archive_io); -} - -/******************************************************//** -Writes a log file header to a completed archived log file. */ -static -void -log_group_archive_completed_header_write( -/*=====================================*/ - log_group_t* group, /*!< in: log group */ - ulint nth_file, /*!< in: header to the nth file in the - archive log file space */ - ib_uint64_t end_lsn) /*!< in: end lsn of the file */ -{ - byte* buf; - ulint dest_offset; - - ut_ad(mutex_own(&(log_sys->mutex))); - ut_a(nth_file < group->n_files); - - buf = *(group->archive_file_header_bufs + nth_file); - - mach_write_to_4(buf + LOG_FILE_ARCH_COMPLETED, TRUE); - mach_write_ull(buf + LOG_FILE_END_LSN, end_lsn); - - dest_offset = nth_file * group->file_size + LOG_FILE_ARCH_COMPLETED; - - log_sys->n_log_ios++; - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, group->archive_space_id, - dest_offset / UNIV_PAGE_SIZE, - dest_offset % UNIV_PAGE_SIZE, - OS_FILE_LOG_BLOCK_SIZE, - buf + LOG_FILE_ARCH_COMPLETED, - &log_archive_io); -} - -/******************************************************//** -Does the archive writes for a single log group. */ -static -void -log_group_archive( -/*==============*/ - log_group_t* group) /*!< in: log group */ -{ - os_file_t file_handle; - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - char name[1024]; - byte* buf; - ulint len; - ibool ret; - ulint next_offset; - ulint n_files; - ulint open_mode; - - ut_ad(mutex_own(&(log_sys->mutex))); - - start_lsn = log_sys->archived_lsn; - - ut_a(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); - - end_lsn = log_sys->next_archived_lsn; - - ut_a(end_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); - - buf = log_sys->archive_buf; - - n_files = 0; - - next_offset = group->archived_offset; -loop: - if ((next_offset % group->file_size == 0) - || (fil_space_get_size(group->archive_space_id) == 0)) { - - /* Add the file to the archive file space; create or open the - file */ - - if (next_offset % group->file_size == 0) { - open_mode = OS_FILE_CREATE; - } else { - open_mode = OS_FILE_OPEN; - } - - log_archived_file_name_gen(name, group->id, - group->archived_file_no + n_files); - - file_handle = os_file_create(name, open_mode, OS_FILE_AIO, - OS_DATA_FILE, &ret); - - if (!ret && (open_mode == OS_FILE_CREATE)) { - file_handle = os_file_create( - name, OS_FILE_OPEN, OS_FILE_AIO, - OS_DATA_FILE, &ret); - } - - if (!ret) { - fprintf(stderr, - "InnoDB: Cannot create or open" - " archive log file %s.\n" - "InnoDB: Cannot continue operation.\n" - "InnoDB: Check that the log archive" - " directory exists,\n" - "InnoDB: you have access rights to it, and\n" - "InnoDB: there is space available.\n", name); - exit(1); - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, "Created archive file %s\n", name); - } -#endif /* UNIV_DEBUG */ - - ret = os_file_close(file_handle); - - ut_a(ret); - - /* Add the archive file as a node to the space */ - - fil_node_create(name, group->file_size / UNIV_PAGE_SIZE, - group->archive_space_id, FALSE); - - if (next_offset % group->file_size == 0) { - log_group_archive_file_header_write( - group, n_files, - group->archived_file_no + n_files, - start_lsn); - - next_offset += LOG_FILE_HDR_SIZE; - } - } - - len = end_lsn - start_lsn; - - if (group->file_size < (next_offset % group->file_size) + len) { - - len = group->file_size - (next_offset % group->file_size); - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Archiving starting at lsn %llu, len %lu" - " to group %lu\n", - start_lsn, - (ulong) len, (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - - log_sys->n_pending_archive_ios++; - - log_sys->n_log_ios++; - - fil_io(OS_FILE_WRITE | OS_FILE_LOG, FALSE, group->archive_space_id, - next_offset / UNIV_PAGE_SIZE, next_offset % UNIV_PAGE_SIZE, - ut_calc_align(len, OS_FILE_LOG_BLOCK_SIZE), buf, - &log_archive_io); - - start_lsn += len; - next_offset += len; - buf += len; - - if (next_offset % group->file_size == 0) { - n_files++; - } - - if (end_lsn != start_lsn) { - - goto loop; - } - - group->next_archived_file_no = group->archived_file_no + n_files; - group->next_archived_offset = next_offset % group->file_size; - - ut_a(group->next_archived_offset % OS_FILE_LOG_BLOCK_SIZE == 0); -} - -/*****************************************************//** -(Writes to the archive of each log group.) Currently, only the first -group is archived. */ -static -void -log_archive_groups(void) -/*====================*/ -{ - log_group_t* group; - - ut_ad(mutex_own(&(log_sys->mutex))); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - log_group_archive(group); -} - -/*****************************************************//** -Completes the archiving write phase for (each log group), currently, -the first log group. */ -static -void -log_archive_write_complete_groups(void) -/*===================================*/ -{ - log_group_t* group; - ulint end_offset; - ulint trunc_files; - ulint n_files; - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - ulint i; - - ut_ad(mutex_own(&(log_sys->mutex))); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - group->archived_file_no = group->next_archived_file_no; - group->archived_offset = group->next_archived_offset; - - /* Truncate from the archive file space all but the last - file, or if it has been written full, all files */ - - n_files = (UNIV_PAGE_SIZE - * fil_space_get_size(group->archive_space_id)) - / group->file_size; - ut_ad(n_files > 0); - - end_offset = group->archived_offset; - - if (end_offset % group->file_size == 0) { - - trunc_files = n_files; - } else { - trunc_files = n_files - 1; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes && trunc_files) { - fprintf(stderr, - "Complete file(s) archived to group %lu\n", - (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - - /* Calculate the archive file space start lsn */ - start_lsn = log_sys->next_archived_lsn - - (end_offset - LOG_FILE_HDR_SIZE + trunc_files - * (group->file_size - LOG_FILE_HDR_SIZE)); - end_lsn = start_lsn; - - for (i = 0; i < trunc_files; i++) { - - end_lsn += group->file_size - LOG_FILE_HDR_SIZE; - - /* Write a notice to the headers of archived log - files that the file write has been completed */ - - log_group_archive_completed_header_write(group, i, end_lsn); - } - - fil_space_truncate_start(group->archive_space_id, - trunc_files * group->file_size); - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fputs("Archiving writes completed\n", stderr); - } -#endif /* UNIV_DEBUG */ -} - -/******************************************************//** -Completes an archiving i/o. */ -static -void -log_archive_check_completion_low(void) -/*==================================*/ -{ - ut_ad(mutex_own(&(log_sys->mutex))); - - if (log_sys->n_pending_archive_ios == 0 - && log_sys->archiving_phase == LOG_ARCHIVE_READ) { - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fputs("Archiving read completed\n", stderr); - } -#endif /* UNIV_DEBUG */ - - /* Archive buffer has now been read in: start archive writes */ - - log_sys->archiving_phase = LOG_ARCHIVE_WRITE; - - log_archive_groups(); - } - - if (log_sys->n_pending_archive_ios == 0 - && log_sys->archiving_phase == LOG_ARCHIVE_WRITE) { - - log_archive_write_complete_groups(); - - log_sys->archived_lsn = log_sys->next_archived_lsn; - - rw_lock_x_unlock_gen(&(log_sys->archive_lock), LOG_ARCHIVE); - } -} - -/******************************************************//** -Completes an archiving i/o. */ -static -void -log_io_complete_archive(void) -/*=========================*/ -{ - log_group_t* group; - - mutex_enter(&(log_sys->mutex)); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - mutex_exit(&(log_sys->mutex)); - - fil_flush(group->archive_space_id); - - mutex_enter(&(log_sys->mutex)); - - ut_ad(log_sys->n_pending_archive_ios > 0); - - log_sys->n_pending_archive_ios--; - - log_archive_check_completion_low(); - - mutex_exit(&(log_sys->mutex)); -} - -/********************************************************************//** -Starts an archiving operation. -@return TRUE if succeed, FALSE if an archiving operation was already running */ -UNIV_INTERN -ibool -log_archive_do( -/*===========*/ - ibool sync, /*!< in: TRUE if synchronous operation is desired */ - ulint* n_bytes)/*!< out: archive log buffer size, 0 if nothing to - archive */ -{ - ibool calc_new_limit; - ib_uint64_t start_lsn; - ib_uint64_t limit_lsn; - - calc_new_limit = TRUE; -loop: - mutex_enter(&(log_sys->mutex)); - - switch (log_sys->archiving_state) { - case LOG_ARCH_OFF: -arch_none: - mutex_exit(&(log_sys->mutex)); - - *n_bytes = 0; - - return(TRUE); - case LOG_ARCH_STOPPED: - case LOG_ARCH_STOPPING2: - mutex_exit(&(log_sys->mutex)); - - os_event_wait(log_sys->archiving_on); - - goto loop; - } - - start_lsn = log_sys->archived_lsn; - - if (calc_new_limit) { - ut_a(log_sys->archive_buf_size % OS_FILE_LOG_BLOCK_SIZE == 0); - limit_lsn = start_lsn + log_sys->archive_buf_size; - - *n_bytes = log_sys->archive_buf_size; - - if (limit_lsn >= log_sys->lsn) { - - limit_lsn = ut_uint64_align_down( - log_sys->lsn, OS_FILE_LOG_BLOCK_SIZE); - } - } - - if (log_sys->archived_lsn >= limit_lsn) { - - goto arch_none; - } - - if (log_sys->written_to_all_lsn < limit_lsn) { - - mutex_exit(&(log_sys->mutex)); - - log_write_up_to(limit_lsn, LOG_WAIT_ALL_GROUPS, TRUE); - - calc_new_limit = FALSE; - - goto loop; - } - - if (log_sys->n_pending_archive_ios > 0) { - /* An archiving operation is running */ - - mutex_exit(&(log_sys->mutex)); - - if (sync) { - rw_lock_s_lock(&(log_sys->archive_lock)); - rw_lock_s_unlock(&(log_sys->archive_lock)); - } - - *n_bytes = log_sys->archive_buf_size; - - return(FALSE); - } - - rw_lock_x_lock_gen(&(log_sys->archive_lock), LOG_ARCHIVE); - - log_sys->archiving_phase = LOG_ARCHIVE_READ; - - log_sys->next_archived_lsn = limit_lsn; - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Archiving from lsn %llu to lsn %llu\n", - log_sys->archived_lsn, limit_lsn); - } -#endif /* UNIV_DEBUG */ - - /* Read the log segment to the archive buffer */ - - log_group_read_log_seg(LOG_ARCHIVE, log_sys->archive_buf, - UT_LIST_GET_FIRST(log_sys->log_groups), - start_lsn, limit_lsn); - - mutex_exit(&(log_sys->mutex)); - - if (sync) { - rw_lock_s_lock(&(log_sys->archive_lock)); - rw_lock_s_unlock(&(log_sys->archive_lock)); - } - - *n_bytes = log_sys->archive_buf_size; - - return(TRUE); -} - -/****************************************************************//** -Writes the log contents to the archive at least up to the lsn when this -function was called. */ -static -void -log_archive_all(void) -/*=================*/ -{ - ib_uint64_t present_lsn; - ulint dummy; - - mutex_enter(&(log_sys->mutex)); - - if (log_sys->archiving_state == LOG_ARCH_OFF) { - mutex_exit(&(log_sys->mutex)); - - return; - } - - present_lsn = log_sys->lsn; - - mutex_exit(&(log_sys->mutex)); - - log_pad_current_log_block(); - - for (;;) { - mutex_enter(&(log_sys->mutex)); - - if (present_lsn <= log_sys->archived_lsn) { - - mutex_exit(&(log_sys->mutex)); - - return; - } - - mutex_exit(&(log_sys->mutex)); - - log_archive_do(TRUE, &dummy); - } -} - -/*****************************************************//** -Closes the possible open archive log file (for each group) the first group, -and if it was open, increments the group file count by 2, if desired. */ -static -void -log_archive_close_groups( -/*=====================*/ - ibool increment_file_count) /*!< in: TRUE if we want to increment - the file count */ -{ - log_group_t* group; - ulint trunc_len; - - ut_ad(mutex_own(&(log_sys->mutex))); - - if (log_sys->archiving_state == LOG_ARCH_OFF) { - - return; - } - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - trunc_len = UNIV_PAGE_SIZE - * fil_space_get_size(group->archive_space_id); - if (trunc_len > 0) { - ut_a(trunc_len == group->file_size); - - /* Write a notice to the headers of archived log - files that the file write has been completed */ - - log_group_archive_completed_header_write( - group, 0, log_sys->archived_lsn); - - fil_space_truncate_start(group->archive_space_id, - trunc_len); - if (increment_file_count) { - group->archived_offset = 0; - group->archived_file_no += 2; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "Incrementing arch file no to %lu" - " in log group %lu\n", - (ulong) group->archived_file_no + 2, - (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - } -} - -/****************************************************************//** -Writes the log contents to the archive up to the lsn when this function was -called, and stops the archiving. When archiving is started again, the archived -log file numbers start from 2 higher, so that the archiving will not write -again to the archived log files which exist when this function returns. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_stop(void) -/*==================*/ -{ - ibool success; - - mutex_enter(&(log_sys->mutex)); - - if (log_sys->archiving_state != LOG_ARCH_ON) { - - mutex_exit(&(log_sys->mutex)); - - return(DB_ERROR); - } - - log_sys->archiving_state = LOG_ARCH_STOPPING; - - mutex_exit(&(log_sys->mutex)); - - log_archive_all(); - - mutex_enter(&(log_sys->mutex)); - - log_sys->archiving_state = LOG_ARCH_STOPPING2; - os_event_reset(log_sys->archiving_on); - - mutex_exit(&(log_sys->mutex)); - - /* Wait for a possible archiving operation to end */ - - rw_lock_s_lock(&(log_sys->archive_lock)); - rw_lock_s_unlock(&(log_sys->archive_lock)); - - mutex_enter(&(log_sys->mutex)); - - /* Close all archived log files, incrementing the file count by 2, - if appropriate */ - - log_archive_close_groups(TRUE); - - mutex_exit(&(log_sys->mutex)); - - /* Make a checkpoint, so that if recovery is needed, the file numbers - of new archived log files will start from the right value */ - - success = FALSE; - - while (!success) { - success = log_checkpoint(TRUE, TRUE); - } - - mutex_enter(&(log_sys->mutex)); - - log_sys->archiving_state = LOG_ARCH_STOPPED; - - mutex_exit(&(log_sys->mutex)); - - return(DB_SUCCESS); -} - -/****************************************************************//** -Starts again archiving which has been stopped. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_start(void) -/*===================*/ -{ - mutex_enter(&(log_sys->mutex)); - - if (log_sys->archiving_state != LOG_ARCH_STOPPED) { - - mutex_exit(&(log_sys->mutex)); - - return(DB_ERROR); - } - - log_sys->archiving_state = LOG_ARCH_ON; - - os_event_set(log_sys->archiving_on); - - mutex_exit(&(log_sys->mutex)); - - return(DB_SUCCESS); -} - -/****************************************************************//** -Stop archiving the log so that a gap may occur in the archived log files. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_noarchivelog(void) -/*==========================*/ -{ -loop: - mutex_enter(&(log_sys->mutex)); - - if (log_sys->archiving_state == LOG_ARCH_STOPPED - || log_sys->archiving_state == LOG_ARCH_OFF) { - - log_sys->archiving_state = LOG_ARCH_OFF; - - os_event_set(log_sys->archiving_on); - - mutex_exit(&(log_sys->mutex)); - - return(DB_SUCCESS); - } - - mutex_exit(&(log_sys->mutex)); - - log_archive_stop(); - - os_thread_sleep(500000); - - goto loop; -} - -/****************************************************************//** -Start archiving the log so that a gap may occur in the archived log files. -@return DB_SUCCESS or DB_ERROR */ -UNIV_INTERN -ulint -log_archive_archivelog(void) -/*========================*/ -{ - mutex_enter(&(log_sys->mutex)); - - if (log_sys->archiving_state == LOG_ARCH_OFF) { - - log_sys->archiving_state = LOG_ARCH_ON; - - log_sys->archived_lsn - = ut_uint64_align_down(log_sys->lsn, - OS_FILE_LOG_BLOCK_SIZE); - mutex_exit(&(log_sys->mutex)); - - return(DB_SUCCESS); - } - - mutex_exit(&(log_sys->mutex)); - - return(DB_ERROR); -} - -/****************************************************************//** -Tries to establish a big enough margin of free space in the log groups, such -that a new log entry can be catenated without an immediate need for -archiving. */ -static -void -log_archive_margin(void) -/*====================*/ -{ - log_t* log = log_sys; - ulint age; - ibool sync; - ulint dummy; -loop: - mutex_enter(&(log->mutex)); - - if (log->archiving_state == LOG_ARCH_OFF) { - mutex_exit(&(log->mutex)); - - return; - } - - age = log->lsn - log->archived_lsn; - - if (age > log->max_archived_lsn_age) { - - /* An archiving is urgent: we have to do synchronous i/o */ - - sync = TRUE; - - } else if (age > log->max_archived_lsn_age_async) { - - /* An archiving is not urgent: we do asynchronous i/o */ - - sync = FALSE; - } else { - /* No archiving required yet */ - - mutex_exit(&(log->mutex)); - - return; - } - - mutex_exit(&(log->mutex)); - - log_archive_do(sync, &dummy); - - if (sync == TRUE) { - /* Check again that enough was written to the archive */ - - goto loop; - } -} -#endif /* UNIV_LOG_ARCHIVE */ - -/********************************************************************//** -Checks that there is enough free space in the log to start a new query step. -Flushes the log buffer or makes a new checkpoint if necessary. NOTE: this -function may only be called if the calling thread owns no synchronization -objects! */ -UNIV_INTERN -void -log_check_margins(void) -/*===================*/ -{ -loop: - log_flush_margin(); - - log_checkpoint_margin(); - -#ifdef UNIV_LOG_ARCHIVE - log_archive_margin(); -#endif /* UNIV_LOG_ARCHIVE */ - - mutex_enter(&(log_sys->mutex)); - ut_ad(!recv_no_log_write); - - if (log_sys->check_flush_or_checkpoint) { - - mutex_exit(&(log_sys->mutex)); - - goto loop; - } - - mutex_exit(&(log_sys->mutex)); -} - -/****************************************************************//** -Makes a checkpoint at the latest lsn and writes it to first page of each -data file in the database, so that we know that the file spaces contain -all modifications up to that lsn. This can only be called at database -shutdown. This function also writes all log in log files to the log archive. */ -UNIV_INTERN -void -logs_empty_and_mark_files_at_shutdown(void) -/*=======================================*/ -{ - ib_uint64_t lsn; - ulint arch_log_no; - - if (srv_print_verbose_log) { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Starting shutdown...\n"); - } - /* Wait until the master thread and all other operations are idle: our - algorithm only works if the server is idle at shutdown */ - - srv_shutdown_state = SRV_SHUTDOWN_CLEANUP; -loop: - os_thread_sleep(100000); - - mutex_enter(&kernel_mutex); - - /* We need the monitor threads to stop before we proceed with a - normal shutdown. In case of very fast shutdown, however, we can - proceed without waiting for monitor threads. */ - - if (srv_fast_shutdown < 2 - && (srv_error_monitor_active - || srv_lock_timeout_active || srv_monitor_active)) { - - mutex_exit(&kernel_mutex); - - goto loop; - } - - /* Check that there are no longer transactions. We need this wait even - for the 'very fast' shutdown, because the InnoDB layer may have - committed or prepared transactions and we don't want to lose them. */ - - if (trx_n_mysql_transactions > 0 - || UT_LIST_GET_LEN(trx_sys->trx_list) > 0) { - - mutex_exit(&kernel_mutex); - - goto loop; - } - - if (srv_fast_shutdown == 2) { - /* In this fastest shutdown we do not flush the buffer pool: - it is essentially a 'crash' of the InnoDB server. Make sure - that the log is all flushed to disk, so that we can recover - all committed transactions in a crash recovery. We must not - write the lsn stamps to the data files, since at a startup - InnoDB deduces from the stamps if the previous shutdown was - clean. */ - - log_buffer_flush_to_disk(); - - return; /* We SKIP ALL THE REST !! */ - } - - /* Check that the master thread is suspended */ - - if (srv_n_threads_active[SRV_MASTER] != 0) { - - mutex_exit(&kernel_mutex); - - goto loop; - } - - mutex_exit(&kernel_mutex); - - mutex_enter(&(log_sys->mutex)); - - if (log_sys->n_pending_checkpoint_writes -#ifdef UNIV_LOG_ARCHIVE - || log_sys->n_pending_archive_ios -#endif /* UNIV_LOG_ARCHIVE */ - || log_sys->n_pending_writes) { - - mutex_exit(&(log_sys->mutex)); - - goto loop; - } - - mutex_exit(&(log_sys->mutex)); - - if (!buf_pool_check_no_pending_io()) { - - goto loop; - } - -#ifdef UNIV_LOG_ARCHIVE - log_archive_all(); -#endif /* UNIV_LOG_ARCHIVE */ - - log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); - - mutex_enter(&(log_sys->mutex)); - - lsn = log_sys->lsn; - - if (lsn != log_sys->last_checkpoint_lsn -#ifdef UNIV_LOG_ARCHIVE - || (srv_log_archive_on - && lsn != log_sys->archived_lsn + LOG_BLOCK_HDR_SIZE) -#endif /* UNIV_LOG_ARCHIVE */ - ) { - - mutex_exit(&(log_sys->mutex)); - - goto loop; - } - - arch_log_no = 0; - -#ifdef UNIV_LOG_ARCHIVE - UT_LIST_GET_FIRST(log_sys->log_groups)->archived_file_no; - - if (0 == UT_LIST_GET_FIRST(log_sys->log_groups)->archived_offset) { - - arch_log_no--; - } - - log_archive_close_groups(TRUE); -#endif /* UNIV_LOG_ARCHIVE */ - - mutex_exit(&(log_sys->mutex)); - - mutex_enter(&kernel_mutex); - /* Check that the master thread has stayed suspended */ - if (srv_n_threads_active[SRV_MASTER] != 0) { - fprintf(stderr, - "InnoDB: Warning: the master thread woke up" - " during shutdown\n"); - - mutex_exit(&kernel_mutex); - - goto loop; - } - mutex_exit(&kernel_mutex); - - fil_flush_file_spaces(FIL_TABLESPACE); - fil_flush_file_spaces(FIL_LOG); - - /* The call fil_write_flushed_lsn_to_data_files() will pass the buffer - pool: therefore it is essential that the buffer pool has been - completely flushed to disk! (We do not call fil_write... if the - 'very fast' shutdown is enabled.) */ - - if (!buf_all_freed()) { - - goto loop; - } - - srv_shutdown_state = SRV_SHUTDOWN_LAST_PHASE; - - /* Make some checks that the server really is quiet */ - ut_a(srv_n_threads_active[SRV_MASTER] == 0); - ut_a(buf_all_freed()); - ut_a(lsn == log_sys->lsn); - - if (lsn < srv_start_lsn) { - fprintf(stderr, - "InnoDB: Error: log sequence number" - " at shutdown %llu\n" - "InnoDB: is lower than at startup %llu!\n", - lsn, srv_start_lsn); - } - - srv_shutdown_lsn = lsn; - - fil_write_flushed_lsn_to_data_files(lsn, arch_log_no); - - fil_flush_file_spaces(FIL_TABLESPACE); - - fil_close_all_files(); - - /* Make some checks that the server really is quiet */ - ut_a(srv_n_threads_active[SRV_MASTER] == 0); - ut_a(buf_all_freed()); - ut_a(lsn == log_sys->lsn); -} - -#ifdef UNIV_LOG_DEBUG -/******************************************************//** -Checks by parsing that the catenated log segment for a single mtr is -consistent. */ -UNIV_INTERN -ibool -log_check_log_recs( -/*===============*/ - const byte* buf, /*!< in: pointer to the start of - the log segment in the - log_sys->buf log buffer */ - ulint len, /*!< in: segment length in bytes */ - ib_uint64_t buf_start_lsn) /*!< in: buffer start lsn */ -{ - ib_uint64_t contiguous_lsn; - ib_uint64_t scanned_lsn; - const byte* start; - const byte* end; - byte* buf1; - byte* scan_buf; - - ut_ad(mutex_own(&(log_sys->mutex))); - - if (len == 0) { - - return(TRUE); - } - - start = ut_align_down(buf, OS_FILE_LOG_BLOCK_SIZE); - end = ut_align(buf + len, OS_FILE_LOG_BLOCK_SIZE); - - buf1 = mem_alloc((end - start) + OS_FILE_LOG_BLOCK_SIZE); - scan_buf = ut_align(buf1, OS_FILE_LOG_BLOCK_SIZE); - - ut_memcpy(scan_buf, start, end - start); - - recv_scan_log_recs((buf_pool->curr_size - - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, - FALSE, scan_buf, end - start, - ut_uint64_align_down(buf_start_lsn, - OS_FILE_LOG_BLOCK_SIZE), - &contiguous_lsn, &scanned_lsn); - - ut_a(scanned_lsn == buf_start_lsn + len); - ut_a(recv_sys->recovered_lsn == scanned_lsn); - - mem_free(buf1); - - return(TRUE); -} -#endif /* UNIV_LOG_DEBUG */ - -/******************************************************//** -Peeks the current lsn. -@return TRUE if success, FALSE if could not get the log system mutex */ -UNIV_INTERN -ibool -log_peek_lsn( -/*=========*/ - ib_uint64_t* lsn) /*!< out: if returns TRUE, current lsn is here */ -{ - if (0 == mutex_enter_nowait(&(log_sys->mutex))) { - *lsn = log_sys->lsn; - - mutex_exit(&(log_sys->mutex)); - - return(TRUE); - } - - return(FALSE); -} - -/******************************************************//** -Prints info of the log. */ -UNIV_INTERN -void -log_print( -/*======*/ - FILE* file) /*!< in: file where to print */ -{ - double time_elapsed; - time_t current_time; - - mutex_enter(&(log_sys->mutex)); - - fprintf(file, - "Log sequence number %llu\n" - "Log flushed up to %llu\n" - "Last checkpoint at %llu\n", - log_sys->lsn, - log_sys->flushed_to_disk_lsn, - log_sys->last_checkpoint_lsn); - - current_time = time(NULL); - - time_elapsed = 0.001 + difftime(current_time, - log_sys->last_printout_time); - fprintf(file, - "%lu pending log writes, %lu pending chkp writes\n" - "%lu log i/o's done, %.2f log i/o's/second\n", - (ulong) log_sys->n_pending_writes, - (ulong) log_sys->n_pending_checkpoint_writes, - (ulong) log_sys->n_log_ios, - ((log_sys->n_log_ios - log_sys->n_log_ios_old) - / time_elapsed)); - - log_sys->n_log_ios_old = log_sys->n_log_ios; - log_sys->last_printout_time = current_time; - - mutex_exit(&(log_sys->mutex)); -} - -/**********************************************************************//** -Refreshes the statistics used to print per-second averages. */ -UNIV_INTERN -void -log_refresh_stats(void) -/*===================*/ -{ - log_sys->n_log_ios_old = log_sys->n_log_ios; - log_sys->last_printout_time = time(NULL); -} - -/********************************************************************** -Closes a log group. */ -static -void -log_group_close( -/*===========*/ - log_group_t* group) /* in,own: log group to close */ -{ - ulint i; - - for (i = 0; i < group->n_files; i++) { - mem_free(group->file_header_bufs_ptr[i]); -#ifdef UNIV_LOG_ARCHIVE - mem_free(group->archive_file_header_bufs_ptr[i]); -#endif /* UNIV_LOG_ARCHIVE */ - } - - mem_free(group->file_header_bufs_ptr); - mem_free(group->file_header_bufs); - -#ifdef UNIV_LOG_ARCHIVE - mem_free(group->archive_file_header_bufs_ptr); - mem_free(group->archive_file_header_bufs); -#endif /* UNIV_LOG_ARCHIVE */ - - mem_free(group->checkpoint_buf_ptr); - - mem_free(group); -} - -/********************************************************** -Shutdown the log system but do not release all the memory. */ -UNIV_INTERN -void -log_shutdown(void) -/*==============*/ -{ - log_group_t* group; - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (UT_LIST_GET_LEN(log_sys->log_groups) > 0) { - log_group_t* prev_group = group; - - group = UT_LIST_GET_NEXT(log_groups, group); - UT_LIST_REMOVE(log_groups, log_sys->log_groups, prev_group); - - log_group_close(prev_group); - } - - mem_free(log_sys->buf_ptr); - log_sys->buf_ptr = NULL; - log_sys->buf = NULL; - mem_free(log_sys->checkpoint_buf_ptr); - log_sys->checkpoint_buf_ptr = NULL; - log_sys->checkpoint_buf = NULL; - - os_event_free(log_sys->no_flush_event); - os_event_free(log_sys->one_flushed_event); - - rw_lock_free(&log_sys->checkpoint_lock); - - mutex_free(&log_sys->mutex); - -#ifdef UNIV_LOG_ARCHIVE - rw_lock_free(&log_sys->archive_lock); - os_event_create(log_sys->archiving_on); -#endif /* UNIV_LOG_ARCHIVE */ - -#ifdef UNIV_LOG_DEBUG - recv_sys_debug_free(); -#endif - - recv_sys_close(); -} - -/********************************************************** -Free the log system data structures. */ -UNIV_INTERN -void -log_mem_free(void) -/*==============*/ -{ - if (log_sys != NULL) { - recv_sys_mem_free(); - mem_free(log_sys); - - log_sys = NULL; - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/log/log0recv.c b/perfschema/log/log0recv.c deleted file mode 100644 index 3e3aaa25ab2..00000000000 --- a/perfschema/log/log0recv.c +++ /dev/null @@ -1,3804 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file log/log0recv.c -Recovery - -Created 9/20/1997 Heikki Tuuri -*******************************************************/ - -#include "log0recv.h" - -#ifdef UNIV_NONINL -#include "log0recv.ic" -#endif - -#include "mem0mem.h" -#include "buf0buf.h" -#include "buf0flu.h" -#include "mtr0mtr.h" -#include "mtr0log.h" -#include "page0cur.h" -#include "page0zip.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "ibuf0ibuf.h" -#include "trx0undo.h" -#include "trx0rec.h" -#include "fil0fil.h" -#ifndef UNIV_HOTBACKUP -# include "buf0rea.h" -# include "srv0srv.h" -# include "srv0start.h" -# include "trx0roll.h" -# include "row0merge.h" -# include "sync0sync.h" -#else /* !UNIV_HOTBACKUP */ - -/** This is set to FALSE if the backup was originally taken with the -ibbackup --include regexp option: then we do not want to create tables in -directories which were not included */ -UNIV_INTERN ibool recv_replay_file_ops = TRUE; -#endif /* !UNIV_HOTBACKUP */ - -/** Log records are stored in the hash table in chunks at most of this size; -this must be less than UNIV_PAGE_SIZE as it is stored in the buffer pool */ -#define RECV_DATA_BLOCK_SIZE (MEM_MAX_ALLOC_IN_BUF - sizeof(recv_data_t)) - -/** Read-ahead area in applying log records to file pages */ -#define RECV_READ_AHEAD_AREA 32 - -/** The recovery system */ -UNIV_INTERN recv_sys_t* recv_sys = NULL; -/** TRUE when applying redo log records during crash recovery; FALSE -otherwise. Note that this is FALSE while a background thread is -rolling back incomplete transactions. */ -UNIV_INTERN ibool recv_recovery_on; -#ifdef UNIV_LOG_ARCHIVE -/** TRUE when applying redo log records from an archived log file */ -UNIV_INTERN ibool recv_recovery_from_backup_on; -#endif /* UNIV_LOG_ARCHIVE */ - -#ifndef UNIV_HOTBACKUP -/** TRUE when recv_init_crash_recovery() has been called. */ -UNIV_INTERN ibool recv_needed_recovery; -# ifdef UNIV_DEBUG -/** TRUE if writing to the redo log (mtr_commit) is forbidden. -Protected by log_sys->mutex. */ -UNIV_INTERN ibool recv_no_log_write = FALSE; -# endif /* UNIV_DEBUG */ - -/** TRUE if buf_page_is_corrupted() should check if the log sequence -number (FIL_PAGE_LSN) is in the future. Initially FALSE, and set by -recv_recovery_from_checkpoint_start_func(). */ -UNIV_INTERN ibool recv_lsn_checks_on; - -/** There are two conditions under which we scan the logs, the first -is normal startup and the second is when we do a recovery from an -archive. -This flag is set if we are doing a scan from the last checkpoint during -startup. If we find log entries that were written after the last checkpoint -we know that the server was not cleanly shutdown. We must then initialize -the crash recovery environment before attempting to store these entries in -the log hash table. */ -static ibool recv_log_scan_is_startup_type; - -/** If the following is TRUE, the buffer pool file pages must be invalidated -after recovery and no ibuf operations are allowed; this becomes TRUE if -the log record hash table becomes too full, and log records must be merged -to file pages already before the recovery is finished: in this case no -ibuf operations are allowed, as they could modify the pages read in the -buffer pool before the pages have been recovered to the up-to-date state. - -TRUE means that recovery is running and no operations on the log files -are allowed yet: the variable name is misleading. */ -UNIV_INTERN ibool recv_no_ibuf_operations; -/** TRUE when the redo log is being backed up */ -# define recv_is_making_a_backup FALSE -/** TRUE when recovering from a backed up redo log file */ -# define recv_is_from_backup FALSE -#else /* !UNIV_HOTBACKUP */ -# define recv_needed_recovery FALSE -/** TRUE when the redo log is being backed up */ -UNIV_INTERN ibool recv_is_making_a_backup = FALSE; -/** TRUE when recovering from a backed up redo log file */ -UNIV_INTERN ibool recv_is_from_backup = FALSE; -# define buf_pool_get_curr_size() (5 * 1024 * 1024) -#endif /* !UNIV_HOTBACKUP */ -/** The following counter is used to decide when to print info on -log scan */ -static ulint recv_scan_print_counter; - -/** The type of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_type; -/** The offset of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_offset; -/** The 'multi' flag of the previous parsed redo log record */ -static ulint recv_previous_parsed_rec_is_multi; - -/** Maximum page number encountered in the redo log */ -UNIV_INTERN ulint recv_max_parsed_page_no; - -/** This many frames must be left free in the buffer pool when we scan -the log and store the scanned log records in the buffer pool: we will -use these free frames to read in pages when we start applying the -log records to the database. -This is the default value. If the actual size of the buffer pool is -larger than 10 MB we'll set this value to 512. */ -UNIV_INTERN ulint recv_n_pool_free_frames; - -/** The maximum lsn we see for a page during the recovery process. If this -is bigger than the lsn we are able to scan up to, that is an indication that -the recovery failed and the database may be corrupt. */ -UNIV_INTERN ib_uint64_t recv_max_page_lsn; - -/* prototypes */ - -#ifndef UNIV_HOTBACKUP -/*******************************************************//** -Initialize crash recovery environment. Can be called iff -recv_needed_recovery == FALSE. */ -static -void -recv_init_crash_recovery(void); -/*===========================*/ -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Creates the recovery system. */ -UNIV_INTERN -void -recv_sys_create(void) -/*=================*/ -{ - if (recv_sys != NULL) { - - return; - } - - recv_sys = mem_alloc(sizeof(*recv_sys)); - memset(recv_sys, 0x0, sizeof(*recv_sys)); - - mutex_create(&recv_sys->mutex, SYNC_RECV); - - recv_sys->heap = NULL; - recv_sys->addr_hash = NULL; -} - -/********************************************************//** -Release recovery system mutexes. */ -UNIV_INTERN -void -recv_sys_close(void) -/*================*/ -{ - if (recv_sys != NULL) { - if (recv_sys->addr_hash != NULL) { - hash_table_free(recv_sys->addr_hash); - } - - if (recv_sys->heap != NULL) { - mem_heap_free(recv_sys->heap); - } - - if (recv_sys->buf != NULL) { - ut_free(recv_sys->buf); - } - - if (recv_sys->last_block_buf_start != NULL) { - mem_free(recv_sys->last_block_buf_start); - } - - mutex_free(&recv_sys->mutex); - - mem_free(recv_sys); - recv_sys = NULL; - } -} - -/********************************************************//** -Frees the recovery system memory. */ -UNIV_INTERN -void -recv_sys_mem_free(void) -/*===================*/ -{ - if (recv_sys != NULL) { - if (recv_sys->addr_hash != NULL) { - hash_table_free(recv_sys->addr_hash); - } - - if (recv_sys->heap != NULL) { - mem_heap_free(recv_sys->heap); - } - - if (recv_sys->buf != NULL) { - ut_free(recv_sys->buf); - } - - if (recv_sys->last_block_buf_start != NULL) { - mem_free(recv_sys->last_block_buf_start); - } - - mem_free(recv_sys); - recv_sys = NULL; - } -} - -#ifndef UNIV_HOTBACKUP -/************************************************************ -Reset the state of the recovery system variables. */ -UNIV_INTERN -void -recv_sys_var_init(void) -/*===================*/ -{ - recv_lsn_checks_on = FALSE; - - recv_n_pool_free_frames = 256; - - recv_recovery_on = FALSE; - -#ifdef UNIV_LOG_ARCHIVE - recv_recovery_from_backup_on = FALSE; -#endif /* UNIV_LOG_ARCHIVE */ - - recv_needed_recovery = FALSE; - - recv_lsn_checks_on = FALSE; - - recv_log_scan_is_startup_type = FALSE; - - recv_no_ibuf_operations = FALSE; - - recv_scan_print_counter = 0; - - recv_previous_parsed_rec_type = 999999; - - recv_previous_parsed_rec_offset = 0; - - recv_previous_parsed_rec_is_multi = 0; - - recv_max_parsed_page_no = 0; - - recv_n_pool_free_frames = 256; - - recv_max_page_lsn = 0; -} -#endif /* !UNIV_HOTBACKUP */ - -/************************************************************ -Inits the recovery system for a recovery operation. */ -UNIV_INTERN -void -recv_sys_init( -/*==========*/ - ulint available_memory) /*!< in: available memory in bytes */ -{ - if (recv_sys->heap != NULL) { - - return; - } - -#ifndef UNIV_HOTBACKUP - /* Initialize red-black tree for fast insertions into the - flush_list during recovery process. - As this initialization is done while holding the buffer pool - mutex we perform it before acquiring recv_sys->mutex. */ - buf_flush_init_flush_rbt(); -#endif /* !UNIV_HOTBACKUP */ - - mutex_enter(&(recv_sys->mutex)); - -#ifndef UNIV_HOTBACKUP - recv_sys->heap = mem_heap_create_in_buffer(256); -#else /* !UNIV_HOTBACKUP */ - recv_sys->heap = mem_heap_create(256); - recv_is_from_backup = TRUE; -#endif /* !UNIV_HOTBACKUP */ - - /* Set appropriate value of recv_n_pool_free_frames. */ - if (buf_pool_get_curr_size() >= (10 * 1024 * 1024)) { - /* Buffer pool of size greater than 10 MB. */ - recv_n_pool_free_frames = 512; - } - - recv_sys->buf = ut_malloc(RECV_PARSING_BUF_SIZE); - recv_sys->len = 0; - recv_sys->recovered_offset = 0; - - recv_sys->addr_hash = hash_create(available_memory / 64); - recv_sys->n_addrs = 0; - - recv_sys->apply_log_recs = FALSE; - recv_sys->apply_batch_on = FALSE; - - recv_sys->last_block_buf_start = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); - - recv_sys->last_block = ut_align(recv_sys->last_block_buf_start, - OS_FILE_LOG_BLOCK_SIZE); - recv_sys->found_corrupt_log = FALSE; - - recv_max_page_lsn = 0; - - mutex_exit(&(recv_sys->mutex)); -} - -/********************************************************//** -Empties the hash table when it has been fully processed. */ -static -void -recv_sys_empty_hash(void) -/*=====================*/ -{ - ut_ad(mutex_own(&(recv_sys->mutex))); - - if (recv_sys->n_addrs != 0) { - fprintf(stderr, - "InnoDB: Error: %lu pages with log records" - " were left unprocessed!\n" - "InnoDB: Maximum page number with" - " log records on it %lu\n", - (ulong) recv_sys->n_addrs, - (ulong) recv_max_parsed_page_no); - ut_error; - } - - hash_table_free(recv_sys->addr_hash); - mem_heap_empty(recv_sys->heap); - - recv_sys->addr_hash = hash_create(buf_pool_get_curr_size() / 256); -} - -#ifndef UNIV_HOTBACKUP -# ifndef UNIV_LOG_DEBUG -/********************************************************//** -Frees the recovery system. */ -static -void -recv_sys_debug_free(void) -/*=====================*/ -{ - mutex_enter(&(recv_sys->mutex)); - - hash_table_free(recv_sys->addr_hash); - mem_heap_free(recv_sys->heap); - ut_free(recv_sys->buf); - mem_free(recv_sys->last_block_buf_start); - - recv_sys->buf = NULL; - recv_sys->heap = NULL; - recv_sys->addr_hash = NULL; - recv_sys->last_block_buf_start = NULL; - - mutex_exit(&(recv_sys->mutex)); - - /* Free up the flush_rbt. */ - buf_flush_free_flush_rbt(); -} -# endif /* UNIV_LOG_DEBUG */ - -/********************************************************//** -Truncates possible corrupted or extra records from a log group. */ -static -void -recv_truncate_group( -/*================*/ - log_group_t* group, /*!< in: log group */ - ib_uint64_t recovered_lsn, /*!< in: recovery succeeded up to this - lsn */ - ib_uint64_t limit_lsn, /*!< in: this was the limit for - recovery */ - ib_uint64_t checkpoint_lsn, /*!< in: recovery was started from this - checkpoint */ - ib_uint64_t archived_lsn) /*!< in: the log has been archived up to - this lsn */ -{ - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - ib_uint64_t finish_lsn1; - ib_uint64_t finish_lsn2; - ib_uint64_t finish_lsn; - ulint len; - ulint i; - - if (archived_lsn == IB_ULONGLONG_MAX) { - /* Checkpoint was taken in the NOARCHIVELOG mode */ - archived_lsn = checkpoint_lsn; - } - - finish_lsn1 = ut_uint64_align_down(archived_lsn, - OS_FILE_LOG_BLOCK_SIZE) - + log_group_get_capacity(group); - - finish_lsn2 = ut_uint64_align_up(recovered_lsn, - OS_FILE_LOG_BLOCK_SIZE) - + recv_sys->last_log_buf_size; - - if (limit_lsn != IB_ULONGLONG_MAX) { - /* We do not know how far we should erase log records: erase - as much as possible */ - - finish_lsn = finish_lsn1; - } else { - /* It is enough to erase the length of the log buffer */ - finish_lsn = finish_lsn1 < finish_lsn2 - ? finish_lsn1 : finish_lsn2; - } - - ut_a(RECV_SCAN_SIZE <= log_sys->buf_size); - - /* Write the log buffer full of zeros */ - for (i = 0; i < RECV_SCAN_SIZE; i++) { - - *(log_sys->buf + i) = '\0'; - } - - start_lsn = ut_uint64_align_down(recovered_lsn, - OS_FILE_LOG_BLOCK_SIZE); - - if (start_lsn != recovered_lsn) { - /* Copy the last incomplete log block to the log buffer and - edit its data length: */ - - ut_memcpy(log_sys->buf, recv_sys->last_block, - OS_FILE_LOG_BLOCK_SIZE); - log_block_set_data_len(log_sys->buf, - (ulint) (recovered_lsn - start_lsn)); - } - - if (start_lsn >= finish_lsn) { - - return; - } - - for (;;) { - end_lsn = start_lsn + RECV_SCAN_SIZE; - - if (end_lsn > finish_lsn) { - - end_lsn = finish_lsn; - } - - len = (ulint) (end_lsn - start_lsn); - - log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); - if (end_lsn >= finish_lsn) { - - return; - } - - /* Write the log buffer full of zeros */ - for (i = 0; i < RECV_SCAN_SIZE; i++) { - - *(log_sys->buf + i) = '\0'; - } - - start_lsn = end_lsn; - } -} - -/********************************************************//** -Copies the log segment between group->recovered_lsn and recovered_lsn from the -most up-to-date log group to group, so that it contains the latest log data. */ -static -void -recv_copy_group( -/*============*/ - log_group_t* up_to_date_group, /*!< in: the most up-to-date log - group */ - log_group_t* group, /*!< in: copy to this log - group */ - ib_uint64_t recovered_lsn) /*!< in: recovery succeeded up - to this lsn */ -{ - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - ulint len; - - if (group->scanned_lsn >= recovered_lsn) { - - return; - } - - ut_a(RECV_SCAN_SIZE <= log_sys->buf_size); - - start_lsn = ut_uint64_align_down(group->scanned_lsn, - OS_FILE_LOG_BLOCK_SIZE); - for (;;) { - end_lsn = start_lsn + RECV_SCAN_SIZE; - - if (end_lsn > recovered_lsn) { - end_lsn = ut_uint64_align_up(recovered_lsn, - OS_FILE_LOG_BLOCK_SIZE); - } - - log_group_read_log_seg(LOG_RECOVER, log_sys->buf, - up_to_date_group, start_lsn, end_lsn); - - len = (ulint) (end_lsn - start_lsn); - - log_group_write_buf(group, log_sys->buf, len, start_lsn, 0); - - if (end_lsn >= recovered_lsn) { - - return; - } - - start_lsn = end_lsn; - } -} - -/********************************************************//** -Copies a log segment from the most up-to-date log group to the other log -groups, so that they all contain the latest log data. Also writes the info -about the latest checkpoint to the groups, and inits the fields in the group -memory structs to up-to-date values. */ -static -void -recv_synchronize_groups( -/*====================*/ - log_group_t* up_to_date_group) /*!< in: the most up-to-date - log group */ -{ - log_group_t* group; - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - ib_uint64_t recovered_lsn; - ib_uint64_t limit_lsn; - - recovered_lsn = recv_sys->recovered_lsn; - limit_lsn = recv_sys->limit_lsn; - - /* Read the last recovered log block to the recovery system buffer: - the block is always incomplete */ - - start_lsn = ut_uint64_align_down(recovered_lsn, - OS_FILE_LOG_BLOCK_SIZE); - end_lsn = ut_uint64_align_up(recovered_lsn, OS_FILE_LOG_BLOCK_SIZE); - - ut_a(start_lsn != end_lsn); - - log_group_read_log_seg(LOG_RECOVER, recv_sys->last_block, - up_to_date_group, start_lsn, end_lsn); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group) { - if (group != up_to_date_group) { - - /* Copy log data if needed */ - - recv_copy_group(group, up_to_date_group, - recovered_lsn); - } - - /* Update the fields in the group struct to correspond to - recovered_lsn */ - - log_group_set_fields(group, recovered_lsn); - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - /* Copy the checkpoint info to the groups; remember that we have - incremented checkpoint_no by one, and the info will not be written - over the max checkpoint info, thus making the preservation of max - checkpoint info on disk certain */ - - log_groups_write_checkpoint_info(); - - mutex_exit(&(log_sys->mutex)); - - /* Wait for the checkpoint write to complete */ - rw_lock_s_lock(&(log_sys->checkpoint_lock)); - rw_lock_s_unlock(&(log_sys->checkpoint_lock)); - - mutex_enter(&(log_sys->mutex)); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************************//** -Checks the consistency of the checkpoint info -@return TRUE if ok */ -static -ibool -recv_check_cp_is_consistent( -/*========================*/ - const byte* buf) /*!< in: buffer containing checkpoint info */ -{ - ulint fold; - - fold = ut_fold_binary(buf, LOG_CHECKPOINT_CHECKSUM_1); - - if ((fold & 0xFFFFFFFFUL) != mach_read_from_4( - buf + LOG_CHECKPOINT_CHECKSUM_1)) { - return(FALSE); - } - - fold = ut_fold_binary(buf + LOG_CHECKPOINT_LSN, - LOG_CHECKPOINT_CHECKSUM_2 - LOG_CHECKPOINT_LSN); - - if ((fold & 0xFFFFFFFFUL) != mach_read_from_4( - buf + LOG_CHECKPOINT_CHECKSUM_2)) { - return(FALSE); - } - - return(TRUE); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Looks for the maximum consistent checkpoint from the log groups. -@return error code or DB_SUCCESS */ -static -ulint -recv_find_max_checkpoint( -/*=====================*/ - log_group_t** max_group, /*!< out: max group */ - ulint* max_field) /*!< out: LOG_CHECKPOINT_1 or - LOG_CHECKPOINT_2 */ -{ - log_group_t* group; - ib_uint64_t max_no; - ib_uint64_t checkpoint_no; - ulint field; - byte* buf; - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - max_no = 0; - *max_group = NULL; - *max_field = 0; - - buf = log_sys->checkpoint_buf; - - while (group) { - group->state = LOG_GROUP_CORRUPTED; - - for (field = LOG_CHECKPOINT_1; field <= LOG_CHECKPOINT_2; - field += LOG_CHECKPOINT_2 - LOG_CHECKPOINT_1) { - - log_group_read_checkpoint_info(group, field); - - if (!recv_check_cp_is_consistent(buf)) { -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Checkpoint in group" - " %lu at %lu invalid, %lu\n", - (ulong) group->id, - (ulong) field, - (ulong) mach_read_from_4( - buf - + LOG_CHECKPOINT_CHECKSUM_1)); - - } -#endif /* UNIV_DEBUG */ - goto not_consistent; - } - - group->state = LOG_GROUP_OK; - - group->lsn = mach_read_ull( - buf + LOG_CHECKPOINT_LSN); - group->lsn_offset = mach_read_from_4( - buf + LOG_CHECKPOINT_OFFSET); - checkpoint_no = mach_read_ull( - buf + LOG_CHECKPOINT_NO); - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Checkpoint number %lu" - " found in group %lu\n", - (ulong) checkpoint_no, - (ulong) group->id); - } -#endif /* UNIV_DEBUG */ - - if (checkpoint_no >= max_no) { - *max_group = group; - *max_field = field; - max_no = checkpoint_no; - } - -not_consistent: - ; - } - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - if (*max_group == NULL) { - - fprintf(stderr, - "InnoDB: No valid checkpoint found.\n" - "InnoDB: If this error appears when you are" - " creating an InnoDB database,\n" - "InnoDB: the problem may be that during" - " an earlier attempt you managed\n" - "InnoDB: to create the InnoDB data files," - " but log file creation failed.\n" - "InnoDB: If that is the case, please refer to\n" - "InnoDB: " REFMAN "error-creating-innodb.html\n"); - return(DB_ERROR); - } - - return(DB_SUCCESS); -} -#else /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Reads the checkpoint info needed in hot backup. -@return TRUE if success */ -UNIV_INTERN -ibool -recv_read_cp_info_for_backup( -/*=========================*/ - const byte* hdr, /*!< in: buffer containing the log group - header */ - ib_uint64_t* lsn, /*!< out: checkpoint lsn */ - ulint* offset, /*!< out: checkpoint offset in the log group */ - ulint* fsp_limit,/*!< out: fsp limit of space 0, - 1000000000 if the database is running - with < version 3.23.50 of InnoDB */ - ib_uint64_t* cp_no, /*!< out: checkpoint number */ - ib_uint64_t* first_header_lsn) - /*!< out: lsn of of the start of the - first log file */ -{ - ulint max_cp = 0; - ib_uint64_t max_cp_no = 0; - const byte* cp_buf; - - cp_buf = hdr + LOG_CHECKPOINT_1; - - if (recv_check_cp_is_consistent(cp_buf)) { - max_cp_no = mach_read_ull(cp_buf + LOG_CHECKPOINT_NO); - max_cp = LOG_CHECKPOINT_1; - } - - cp_buf = hdr + LOG_CHECKPOINT_2; - - if (recv_check_cp_is_consistent(cp_buf)) { - if (mach_read_ull(cp_buf + LOG_CHECKPOINT_NO) > max_cp_no) { - max_cp = LOG_CHECKPOINT_2; - } - } - - if (max_cp == 0) { - return(FALSE); - } - - cp_buf = hdr + max_cp; - - *lsn = mach_read_ull(cp_buf + LOG_CHECKPOINT_LSN); - *offset = mach_read_from_4(cp_buf + LOG_CHECKPOINT_OFFSET); - - /* If the user is running a pre-3.23.50 version of InnoDB, its - checkpoint data does not contain the fsp limit info */ - if (mach_read_from_4(cp_buf + LOG_CHECKPOINT_FSP_MAGIC_N) - == LOG_CHECKPOINT_FSP_MAGIC_N_VAL) { - - *fsp_limit = mach_read_from_4( - cp_buf + LOG_CHECKPOINT_FSP_FREE_LIMIT); - - if (*fsp_limit == 0) { - *fsp_limit = 1000000000; - } - } else { - *fsp_limit = 1000000000; - } - - /* fprintf(stderr, "fsp limit %lu MB\n", *fsp_limit); */ - - *cp_no = mach_read_ull(cp_buf + LOG_CHECKPOINT_NO); - - *first_header_lsn = mach_read_ull(hdr + LOG_FILE_START_LSN); - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ - -/******************************************************//** -Checks the 4-byte checksum to the trailer checksum field of a log -block. We also accept a log block in the old format before -InnoDB-3.23.52 where the checksum field contains the log block number. -@return TRUE if ok, or if the log block may be in the format of InnoDB -version predating 3.23.52 */ -static -ibool -log_block_checksum_is_ok_or_old_format( -/*===================================*/ - const byte* block) /*!< in: pointer to a log block */ -{ -#ifdef UNIV_LOG_DEBUG - return(TRUE); -#endif /* UNIV_LOG_DEBUG */ - if (log_block_calc_checksum(block) == log_block_get_checksum(block)) { - - return(TRUE); - } - - if (log_block_get_hdr_no(block) == log_block_get_checksum(block)) { - - /* We assume the log block is in the format of - InnoDB version < 3.23.52 and the block is ok */ -#if 0 - fprintf(stderr, - "InnoDB: Scanned old format < InnoDB-3.23.52" - " log block number %lu\n", - log_block_get_hdr_no(block)); -#endif - return(TRUE); - } - - return(FALSE); -} - -#ifdef UNIV_HOTBACKUP -/*******************************************************************//** -Scans the log segment and n_bytes_scanned is set to the length of valid -log scanned. */ -UNIV_INTERN -void -recv_scan_log_seg_for_backup( -/*=========================*/ - byte* buf, /*!< in: buffer containing log data */ - ulint buf_len, /*!< in: data length in that buffer */ - ib_uint64_t* scanned_lsn, /*!< in/out: lsn of buffer start, - we return scanned lsn */ - ulint* scanned_checkpoint_no, - /*!< in/out: 4 lowest bytes of the - highest scanned checkpoint number so - far */ - ulint* n_bytes_scanned)/*!< out: how much we were able to - scan, smaller than buf_len if log - data ended here */ -{ - ulint data_len; - byte* log_block; - ulint no; - - *n_bytes_scanned = 0; - - for (log_block = buf; log_block < buf + buf_len; - log_block += OS_FILE_LOG_BLOCK_SIZE) { - - no = log_block_get_hdr_no(log_block); - -#if 0 - fprintf(stderr, "Log block header no %lu\n", no); -#endif - - if (no != log_block_convert_lsn_to_no(*scanned_lsn) - || !log_block_checksum_is_ok_or_old_format(log_block)) { -#if 0 - fprintf(stderr, - "Log block n:o %lu, scanned lsn n:o %lu\n", - no, log_block_convert_lsn_to_no(*scanned_lsn)); -#endif - /* Garbage or an incompletely written log block */ - - log_block += OS_FILE_LOG_BLOCK_SIZE; -#if 0 - fprintf(stderr, - "Next log block n:o %lu\n", - log_block_get_hdr_no(log_block)); -#endif - break; - } - - if (*scanned_checkpoint_no > 0 - && log_block_get_checkpoint_no(log_block) - < *scanned_checkpoint_no - && *scanned_checkpoint_no - - log_block_get_checkpoint_no(log_block) - > 0x80000000UL) { - - /* Garbage from a log buffer flush which was made - before the most recent database recovery */ -#if 0 - fprintf(stderr, - "Scanned cp n:o %lu, block cp n:o %lu\n", - *scanned_checkpoint_no, - log_block_get_checkpoint_no(log_block)); -#endif - break; - } - - data_len = log_block_get_data_len(log_block); - - *scanned_checkpoint_no - = log_block_get_checkpoint_no(log_block); - *scanned_lsn += data_len; - - *n_bytes_scanned += data_len; - - if (data_len < OS_FILE_LOG_BLOCK_SIZE) { - /* Log data ends here */ - -#if 0 - fprintf(stderr, "Log block data len %lu\n", - data_len); -#endif - break; - } - } -} -#endif /* UNIV_HOTBACKUP */ - -/*******************************************************************//** -Tries to parse a single log record body and also applies it to a page if -specified. File ops are parsed, but not applied in this function. -@return log record end, NULL if not a complete record */ -static -byte* -recv_parse_or_apply_log_rec_body( -/*=============================*/ - byte type, /*!< in: type */ - byte* ptr, /*!< in: pointer to a buffer */ - byte* end_ptr,/*!< in: pointer to the buffer end */ - buf_block_t* block, /*!< in/out: buffer block or NULL; if - not NULL, then the log record is - applied to the page, and the log - record should be complete then */ - mtr_t* mtr) /*!< in: mtr or NULL; should be non-NULL - if and only if block is non-NULL */ -{ - dict_index_t* index = NULL; - page_t* page; - page_zip_des_t* page_zip; -#ifdef UNIV_DEBUG - ulint page_type; -#endif /* UNIV_DEBUG */ - - ut_ad(!block == !mtr); - - if (block) { - page = block->frame; - page_zip = buf_block_get_page_zip(block); - ut_d(page_type = fil_page_get_type(page)); - } else { - page = NULL; - page_zip = NULL; - ut_d(page_type = FIL_PAGE_TYPE_ALLOCATED); - } - - switch (type) { -#ifdef UNIV_LOG_LSN_DEBUG - case MLOG_LSN: - /* The LSN is checked in recv_parse_log_rec(). */ - break; -#endif /* UNIV_LOG_LSN_DEBUG */ - case MLOG_1BYTE: case MLOG_2BYTES: case MLOG_4BYTES: case MLOG_8BYTES: -#ifdef UNIV_DEBUG - if (page && page_type == FIL_PAGE_TYPE_ALLOCATED - && end_ptr >= ptr + 2) { - /* It is OK to set FIL_PAGE_TYPE and certain - list node fields on an empty page. Any other - write is not OK. */ - - /* NOTE: There may be bogus assertion failures for - dict_hdr_create(), trx_rseg_header_create(), - trx_sys_create_doublewrite_buf(), and - trx_sysf_create(). - These are only called during database creation. */ - ulint offs = mach_read_from_2(ptr); - - switch (type) { - default: - ut_error; - case MLOG_2BYTES: - /* Note that this can fail when the - redo log been written with something - older than InnoDB Plugin 1.0.4. */ - ut_ad(offs == FIL_PAGE_TYPE - || offs == IBUF_TREE_SEG_HEADER - + IBUF_HEADER + FSEG_HDR_OFFSET - || offs == PAGE_BTR_IBUF_FREE_LIST - + PAGE_HEADER + FIL_ADDR_BYTE - || offs == PAGE_BTR_IBUF_FREE_LIST - + PAGE_HEADER + FIL_ADDR_BYTE - + FIL_ADDR_SIZE - || offs == PAGE_BTR_SEG_LEAF - + PAGE_HEADER + FSEG_HDR_OFFSET - || offs == PAGE_BTR_SEG_TOP - + PAGE_HEADER + FSEG_HDR_OFFSET - || offs == PAGE_BTR_IBUF_FREE_LIST_NODE - + PAGE_HEADER + FIL_ADDR_BYTE - + 0 /*FLST_PREV*/ - || offs == PAGE_BTR_IBUF_FREE_LIST_NODE - + PAGE_HEADER + FIL_ADDR_BYTE - + FIL_ADDR_SIZE /*FLST_NEXT*/); - break; - case MLOG_4BYTES: - /* Note that this can fail when the - redo log been written with something - older than InnoDB Plugin 1.0.4. */ - ut_ad(0 - || offs == IBUF_TREE_SEG_HEADER - + IBUF_HEADER + FSEG_HDR_SPACE - || offs == IBUF_TREE_SEG_HEADER - + IBUF_HEADER + FSEG_HDR_PAGE_NO - || offs == PAGE_BTR_IBUF_FREE_LIST - + PAGE_HEADER/* flst_init */ - || offs == PAGE_BTR_IBUF_FREE_LIST - + PAGE_HEADER + FIL_ADDR_PAGE - || offs == PAGE_BTR_IBUF_FREE_LIST - + PAGE_HEADER + FIL_ADDR_PAGE - + FIL_ADDR_SIZE - || offs == PAGE_BTR_SEG_LEAF - + PAGE_HEADER + FSEG_HDR_PAGE_NO - || offs == PAGE_BTR_SEG_LEAF - + PAGE_HEADER + FSEG_HDR_SPACE - || offs == PAGE_BTR_SEG_TOP - + PAGE_HEADER + FSEG_HDR_PAGE_NO - || offs == PAGE_BTR_SEG_TOP - + PAGE_HEADER + FSEG_HDR_SPACE - || offs == PAGE_BTR_IBUF_FREE_LIST_NODE - + PAGE_HEADER + FIL_ADDR_PAGE - + 0 /*FLST_PREV*/ - || offs == PAGE_BTR_IBUF_FREE_LIST_NODE - + PAGE_HEADER + FIL_ADDR_PAGE - + FIL_ADDR_SIZE /*FLST_NEXT*/); - break; - } - } -#endif /* UNIV_DEBUG */ - ptr = mlog_parse_nbytes(type, ptr, end_ptr, page, page_zip); - break; - case MLOG_REC_INSERT: case MLOG_COMP_REC_INSERT: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_REC_INSERT, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = page_cur_parse_insert_rec(FALSE, ptr, end_ptr, - block, index, mtr); - } - break; - case MLOG_REC_CLUST_DELETE_MARK: case MLOG_COMP_REC_CLUST_DELETE_MARK: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_REC_CLUST_DELETE_MARK, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = btr_cur_parse_del_mark_set_clust_rec( - ptr, end_ptr, page, page_zip, index); - } - break; - case MLOG_COMP_REC_SEC_DELETE_MARK: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - /* This log record type is obsolete, but we process it for - backward compatibility with MySQL 5.0.3 and 5.0.4. */ - ut_a(!page || page_is_comp(page)); - ut_a(!page_zip); - ptr = mlog_parse_index(ptr, end_ptr, TRUE, &index); - if (!ptr) { - break; - } - /* Fall through */ - case MLOG_REC_SEC_DELETE_MARK: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - ptr = btr_cur_parse_del_mark_set_sec_rec(ptr, end_ptr, - page, page_zip); - break; - case MLOG_REC_UPDATE_IN_PLACE: case MLOG_COMP_REC_UPDATE_IN_PLACE: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_REC_UPDATE_IN_PLACE, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = btr_cur_parse_update_in_place(ptr, end_ptr, page, - page_zip, index); - } - break; - case MLOG_LIST_END_DELETE: case MLOG_COMP_LIST_END_DELETE: - case MLOG_LIST_START_DELETE: case MLOG_COMP_LIST_START_DELETE: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_LIST_END_DELETE - || type == MLOG_COMP_LIST_START_DELETE, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = page_parse_delete_rec_list(type, ptr, end_ptr, - block, index, mtr); - } - break; - case MLOG_LIST_END_COPY_CREATED: case MLOG_COMP_LIST_END_COPY_CREATED: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_LIST_END_COPY_CREATED, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = page_parse_copy_rec_list_to_created_page( - ptr, end_ptr, block, index, mtr); - } - break; - case MLOG_PAGE_REORGANIZE: case MLOG_COMP_PAGE_REORGANIZE: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_PAGE_REORGANIZE, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = btr_parse_page_reorganize(ptr, end_ptr, index, - block, mtr); - } - break; - case MLOG_PAGE_CREATE: case MLOG_COMP_PAGE_CREATE: - /* Allow anything in page_type when creating a page. */ - ut_a(!page_zip); - ptr = page_parse_create(ptr, end_ptr, - type == MLOG_COMP_PAGE_CREATE, - block, mtr); - break; - case MLOG_UNDO_INSERT: - ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); - ptr = trx_undo_parse_add_undo_rec(ptr, end_ptr, page); - break; - case MLOG_UNDO_ERASE_END: - ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); - ptr = trx_undo_parse_erase_page_end(ptr, end_ptr, page, mtr); - break; - case MLOG_UNDO_INIT: - /* Allow anything in page_type when creating a page. */ - ptr = trx_undo_parse_page_init(ptr, end_ptr, page, mtr); - break; - case MLOG_UNDO_HDR_DISCARD: - ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); - ptr = trx_undo_parse_discard_latest(ptr, end_ptr, page, mtr); - break; - case MLOG_UNDO_HDR_CREATE: - case MLOG_UNDO_HDR_REUSE: - ut_ad(!page || page_type == FIL_PAGE_UNDO_LOG); - ptr = trx_undo_parse_page_header(type, ptr, end_ptr, - page, mtr); - break; - case MLOG_REC_MIN_MARK: case MLOG_COMP_REC_MIN_MARK: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - /* On a compressed page, MLOG_COMP_REC_MIN_MARK - will be followed by MLOG_COMP_REC_DELETE - or MLOG_ZIP_WRITE_HEADER(FIL_PAGE_PREV, FIL_NULL) - in the same mini-transaction. */ - ut_a(type == MLOG_COMP_REC_MIN_MARK || !page_zip); - ptr = btr_parse_set_min_rec_mark( - ptr, end_ptr, type == MLOG_COMP_REC_MIN_MARK, - page, mtr); - break; - case MLOG_REC_DELETE: case MLOG_COMP_REC_DELETE: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - - if (NULL != (ptr = mlog_parse_index( - ptr, end_ptr, - type == MLOG_COMP_REC_DELETE, - &index))) { - ut_a(!page - || (ibool)!!page_is_comp(page) - == dict_table_is_comp(index->table)); - ptr = page_cur_parse_delete_rec(ptr, end_ptr, - block, index, mtr); - } - break; - case MLOG_IBUF_BITMAP_INIT: - /* Allow anything in page_type when creating a page. */ - ptr = ibuf_parse_bitmap_init(ptr, end_ptr, block, mtr); - break; - case MLOG_INIT_FILE_PAGE: - /* Allow anything in page_type when creating a page. */ - ptr = fsp_parse_init_file_page(ptr, end_ptr, block); - break; - case MLOG_WRITE_STRING: - ut_ad(!page || page_type != FIL_PAGE_TYPE_ALLOCATED); - ptr = mlog_parse_string(ptr, end_ptr, page, page_zip); - break; - case MLOG_FILE_CREATE: - case MLOG_FILE_RENAME: - case MLOG_FILE_DELETE: - case MLOG_FILE_CREATE2: - ptr = fil_op_log_parse_or_replay(ptr, end_ptr, type, 0, 0); - break; - case MLOG_ZIP_WRITE_NODE_PTR: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - ptr = page_zip_parse_write_node_ptr(ptr, end_ptr, - page, page_zip); - break; - case MLOG_ZIP_WRITE_BLOB_PTR: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - ptr = page_zip_parse_write_blob_ptr(ptr, end_ptr, - page, page_zip); - break; - case MLOG_ZIP_WRITE_HEADER: - ut_ad(!page || page_type == FIL_PAGE_INDEX); - ptr = page_zip_parse_write_header(ptr, end_ptr, - page, page_zip); - break; - case MLOG_ZIP_PAGE_COMPRESS: - /* Allow anything in page_type when creating a page. */ - ptr = page_zip_parse_compress(ptr, end_ptr, - page, page_zip); - break; - default: - ptr = NULL; - recv_sys->found_corrupt_log = TRUE; - } - - if (index) { - dict_table_t* table = index->table; - - dict_mem_index_free(index); - dict_mem_table_free(table); - } - - return(ptr); -} - -/*********************************************************************//** -Calculates the fold value of a page file address: used in inserting or -searching for a log record in the hash table. -@return folded value */ -UNIV_INLINE -ulint -recv_fold( -/*======*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - return(ut_fold_ulint_pair(space, page_no)); -} - -/*********************************************************************//** -Calculates the hash value of a page file address: used in inserting or -searching for a log record in the hash table. -@return folded value */ -UNIV_INLINE -ulint -recv_hash( -/*======*/ - ulint space, /*!< in: space */ - ulint page_no)/*!< in: page number */ -{ - return(hash_calc_hash(recv_fold(space, page_no), recv_sys->addr_hash)); -} - -/*********************************************************************//** -Gets the hashed file address struct for a page. -@return file address struct, NULL if not found from the hash table */ -static -recv_addr_t* -recv_get_fil_addr_struct( -/*=====================*/ - ulint space, /*!< in: space id */ - ulint page_no)/*!< in: page number */ -{ - recv_addr_t* recv_addr; - - recv_addr = HASH_GET_FIRST(recv_sys->addr_hash, - recv_hash(space, page_no)); - while (recv_addr) { - if ((recv_addr->space == space) - && (recv_addr->page_no == page_no)) { - - break; - } - - recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); - } - - return(recv_addr); -} - -/*******************************************************************//** -Adds a new log record to the hash table of log records. */ -static -void -recv_add_to_hash_table( -/*===================*/ - byte type, /*!< in: log record type */ - ulint space, /*!< in: space id */ - ulint page_no, /*!< in: page number */ - byte* body, /*!< in: log record body */ - byte* rec_end, /*!< in: log record end */ - ib_uint64_t start_lsn, /*!< in: start lsn of the mtr */ - ib_uint64_t end_lsn) /*!< in: end lsn of the mtr */ -{ - recv_t* recv; - ulint len; - recv_data_t* recv_data; - recv_data_t** prev_field; - recv_addr_t* recv_addr; - - if (fil_tablespace_deleted_or_being_deleted_in_mem(space, -1)) { - /* The tablespace does not exist any more: do not store the - log record */ - - return; - } - - len = rec_end - body; - - recv = mem_heap_alloc(recv_sys->heap, sizeof(recv_t)); - recv->type = type; - recv->len = rec_end - body; - recv->start_lsn = start_lsn; - recv->end_lsn = end_lsn; - - recv_addr = recv_get_fil_addr_struct(space, page_no); - - if (recv_addr == NULL) { - recv_addr = mem_heap_alloc(recv_sys->heap, - sizeof(recv_addr_t)); - recv_addr->space = space; - recv_addr->page_no = page_no; - recv_addr->state = RECV_NOT_PROCESSED; - - UT_LIST_INIT(recv_addr->rec_list); - - HASH_INSERT(recv_addr_t, addr_hash, recv_sys->addr_hash, - recv_fold(space, page_no), recv_addr); - recv_sys->n_addrs++; -#if 0 - fprintf(stderr, "Inserting log rec for space %lu, page %lu\n", - space, page_no); -#endif - } - - UT_LIST_ADD_LAST(rec_list, recv_addr->rec_list, recv); - - prev_field = &(recv->data); - - /* Store the log record body in chunks of less than UNIV_PAGE_SIZE: - recv_sys->heap grows into the buffer pool, and bigger chunks could not - be allocated */ - - while (rec_end > body) { - - len = rec_end - body; - - if (len > RECV_DATA_BLOCK_SIZE) { - len = RECV_DATA_BLOCK_SIZE; - } - - recv_data = mem_heap_alloc(recv_sys->heap, - sizeof(recv_data_t) + len); - *prev_field = recv_data; - - memcpy(recv_data + 1, body, len); - - prev_field = &(recv_data->next); - - body += len; - } - - *prev_field = NULL; -} - -/*********************************************************************//** -Copies the log record body from recv to buf. */ -static -void -recv_data_copy_to_buf( -/*==================*/ - byte* buf, /*!< in: buffer of length at least recv->len */ - recv_t* recv) /*!< in: log record */ -{ - recv_data_t* recv_data; - ulint part_len; - ulint len; - - len = recv->len; - recv_data = recv->data; - - while (len > 0) { - if (len > RECV_DATA_BLOCK_SIZE) { - part_len = RECV_DATA_BLOCK_SIZE; - } else { - part_len = len; - } - - ut_memcpy(buf, ((byte*)recv_data) + sizeof(recv_data_t), - part_len); - buf += part_len; - len -= part_len; - - recv_data = recv_data->next; - } -} - -/************************************************************************//** -Applies the hashed log records to the page, if the page lsn is less than the -lsn of a log record. This can be called when a buffer page has just been -read in, or also for a page already in the buffer pool. */ -UNIV_INTERN -void -recv_recover_page_func( -/*===================*/ -#ifndef UNIV_HOTBACKUP - ibool just_read_in, - /*!< in: TRUE if the i/o handler calls - this for a freshly read page */ -#endif /* !UNIV_HOTBACKUP */ - buf_block_t* block) /*!< in/out: buffer block */ -{ - page_t* page; - page_zip_des_t* page_zip; - recv_addr_t* recv_addr; - recv_t* recv; - byte* buf; - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - ib_uint64_t page_lsn; - ib_uint64_t page_newest_lsn; - ibool modification_to_page; -#ifndef UNIV_HOTBACKUP - ibool success; -#endif /* !UNIV_HOTBACKUP */ - mtr_t mtr; - - mutex_enter(&(recv_sys->mutex)); - - if (recv_sys->apply_log_recs == FALSE) { - - /* Log records should not be applied now */ - - mutex_exit(&(recv_sys->mutex)); - - return; - } - - recv_addr = recv_get_fil_addr_struct(buf_block_get_space(block), - buf_block_get_page_no(block)); - - if ((recv_addr == NULL) - || (recv_addr->state == RECV_BEING_PROCESSED) - || (recv_addr->state == RECV_PROCESSED)) { - - mutex_exit(&(recv_sys->mutex)); - - return; - } - -#if 0 - fprintf(stderr, "Recovering space %lu, page %lu\n", - buf_block_get_space(block), buf_block_get_page_no(block)); -#endif - - recv_addr->state = RECV_BEING_PROCESSED; - - mutex_exit(&(recv_sys->mutex)); - - mtr_start(&mtr); - mtr_set_log_mode(&mtr, MTR_LOG_NONE); - - page = block->frame; - page_zip = buf_block_get_page_zip(block); - -#ifndef UNIV_HOTBACKUP - if (just_read_in) { - /* Move the ownership of the x-latch on the page to - this OS thread, so that we can acquire a second - x-latch on it. This is needed for the operations to - the page to pass the debug checks. */ - - rw_lock_x_lock_move_ownership(&block->lock); - } - - success = buf_page_get_known_nowait(RW_X_LATCH, block, - BUF_KEEP_OLD, - __FILE__, __LINE__, - &mtr); - ut_a(success); - - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); -#endif /* !UNIV_HOTBACKUP */ - - /* Read the newest modification lsn from the page */ - page_lsn = mach_read_ull(page + FIL_PAGE_LSN); - -#ifndef UNIV_HOTBACKUP - /* It may be that the page has been modified in the buffer - pool: read the newest modification lsn there */ - - page_newest_lsn = buf_page_get_newest_modification(&block->page); - - if (page_newest_lsn) { - - page_lsn = page_newest_lsn; - } -#else /* !UNIV_HOTBACKUP */ - /* In recovery from a backup we do not really use the buffer pool */ - page_newest_lsn = 0; -#endif /* !UNIV_HOTBACKUP */ - - modification_to_page = FALSE; - start_lsn = end_lsn = 0; - - recv = UT_LIST_GET_FIRST(recv_addr->rec_list); - - while (recv) { - end_lsn = recv->end_lsn; - - if (recv->len > RECV_DATA_BLOCK_SIZE) { - /* We have to copy the record body to a separate - buffer */ - - buf = mem_alloc(recv->len); - - recv_data_copy_to_buf(buf, recv); - } else { - buf = ((byte*)(recv->data)) + sizeof(recv_data_t); - } - - if (recv->type == MLOG_INIT_FILE_PAGE) { - page_lsn = page_newest_lsn; - - memset(FIL_PAGE_LSN + page, 0, 8); - memset(UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM - + page, 0, 8); - - if (page_zip) { - memset(FIL_PAGE_LSN + page_zip->data, 0, 8); - } - } - - if (recv->start_lsn >= page_lsn) { - - ib_uint64_t end_lsn; - - if (!modification_to_page) { - - modification_to_page = TRUE; - start_lsn = recv->start_lsn; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Applying log rec" - " type %lu len %lu" - " to space %lu page no %lu\n", - (ulong) recv->type, (ulong) recv->len, - (ulong) recv_addr->space, - (ulong) recv_addr->page_no); - } -#endif /* UNIV_DEBUG */ - - recv_parse_or_apply_log_rec_body(recv->type, buf, - buf + recv->len, - block, &mtr); - - end_lsn = recv->start_lsn + recv->len; - mach_write_ull(FIL_PAGE_LSN + page, end_lsn); - mach_write_ull(UNIV_PAGE_SIZE - - FIL_PAGE_END_LSN_OLD_CHKSUM - + page, end_lsn); - - if (page_zip) { - mach_write_ull(FIL_PAGE_LSN - + page_zip->data, end_lsn); - } - } - - if (recv->len > RECV_DATA_BLOCK_SIZE) { - mem_free(buf); - } - - recv = UT_LIST_GET_NEXT(rec_list, recv); - } - -#ifdef UNIV_ZIP_DEBUG - if (fil_page_get_type(page) == FIL_PAGE_INDEX) { - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - - if (page_zip) { - ut_a(page_zip_validate_low(page_zip, page, FALSE)); - } - } -#endif /* UNIV_ZIP_DEBUG */ - - mutex_enter(&(recv_sys->mutex)); - - if (recv_max_page_lsn < page_lsn) { - recv_max_page_lsn = page_lsn; - } - - recv_addr->state = RECV_PROCESSED; - - ut_a(recv_sys->n_addrs); - recv_sys->n_addrs--; - - mutex_exit(&(recv_sys->mutex)); - -#ifndef UNIV_HOTBACKUP - if (modification_to_page) { - ut_a(block); - - buf_flush_recv_note_modification(block, start_lsn, end_lsn); - } -#endif /* !UNIV_HOTBACKUP */ - - /* Make sure that committing mtr does not change the modification - lsn values of page */ - - mtr.modifications = FALSE; - - mtr_commit(&mtr); -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************************//** -Reads in pages which have hashed log records, from an area around a given -page number. -@return number of pages found */ -static -ulint -recv_read_in_area( -/*==============*/ - ulint space, /*!< in: space */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no)/*!< in: page number */ -{ - recv_addr_t* recv_addr; - ulint page_nos[RECV_READ_AHEAD_AREA]; - ulint low_limit; - ulint n; - - low_limit = page_no - (page_no % RECV_READ_AHEAD_AREA); - - n = 0; - - for (page_no = low_limit; page_no < low_limit + RECV_READ_AHEAD_AREA; - page_no++) { - recv_addr = recv_get_fil_addr_struct(space, page_no); - - if (recv_addr && !buf_page_peek(space, page_no)) { - - mutex_enter(&(recv_sys->mutex)); - - if (recv_addr->state == RECV_NOT_PROCESSED) { - recv_addr->state = RECV_BEING_READ; - - page_nos[n] = page_no; - - n++; - } - - mutex_exit(&(recv_sys->mutex)); - } - } - - buf_read_recv_pages(FALSE, space, zip_size, page_nos, n); - /* - fprintf(stderr, "Recv pages at %lu n %lu\n", page_nos[0], n); - */ - return(n); -} - -/*******************************************************************//** -Empties the hash table of stored log records, applying them to appropriate -pages. */ -UNIV_INTERN -void -recv_apply_hashed_log_recs( -/*=======================*/ - ibool allow_ibuf) /*!< in: if TRUE, also ibuf operations are - allowed during the application; if FALSE, - no ibuf operations are allowed, and after - the application all file pages are flushed to - disk and invalidated in buffer pool: this - alternative means that no new log records - can be generated during the application; - the caller must in this case own the log - mutex */ -{ - recv_addr_t* recv_addr; - ulint i; - ulint n_pages; - ibool has_printed = FALSE; - mtr_t mtr; -loop: - mutex_enter(&(recv_sys->mutex)); - - if (recv_sys->apply_batch_on) { - - mutex_exit(&(recv_sys->mutex)); - - os_thread_sleep(500000); - - goto loop; - } - - ut_ad(!allow_ibuf == mutex_own(&log_sys->mutex)); - - if (!allow_ibuf) { - recv_no_ibuf_operations = TRUE; - } - - recv_sys->apply_log_recs = TRUE; - recv_sys->apply_batch_on = TRUE; - - for (i = 0; i < hash_get_n_cells(recv_sys->addr_hash); i++) { - - recv_addr = HASH_GET_FIRST(recv_sys->addr_hash, i); - - while (recv_addr) { - ulint space = recv_addr->space; - ulint zip_size = fil_space_get_zip_size(space); - ulint page_no = recv_addr->page_no; - - if (recv_addr->state == RECV_NOT_PROCESSED) { - if (!has_printed) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Starting an" - " apply batch of log records" - " to the database...\n" - "InnoDB: Progress in percents: ", - stderr); - has_printed = TRUE; - } - - mutex_exit(&(recv_sys->mutex)); - - if (buf_page_peek(space, page_no)) { - buf_block_t* block; - - mtr_start(&mtr); - - block = buf_page_get( - space, zip_size, page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level( - block, SYNC_NO_ORDER_CHECK); - - recv_recover_page(FALSE, block); - mtr_commit(&mtr); - } else { - recv_read_in_area(space, zip_size, - page_no); - } - - mutex_enter(&(recv_sys->mutex)); - } - - recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); - } - - if (has_printed - && (i * 100) / hash_get_n_cells(recv_sys->addr_hash) - != ((i + 1) * 100) - / hash_get_n_cells(recv_sys->addr_hash)) { - - fprintf(stderr, "%lu ", (ulong) - ((i * 100) - / hash_get_n_cells(recv_sys->addr_hash))); - } - } - - /* Wait until all the pages have been processed */ - - while (recv_sys->n_addrs != 0) { - - mutex_exit(&(recv_sys->mutex)); - - os_thread_sleep(500000); - - mutex_enter(&(recv_sys->mutex)); - } - - if (has_printed) { - - fprintf(stderr, "\n"); - } - - if (!allow_ibuf) { - /* Flush all the file pages to disk and invalidate them in - the buffer pool */ - - ut_d(recv_no_log_write = TRUE); - mutex_exit(&(recv_sys->mutex)); - mutex_exit(&(log_sys->mutex)); - - n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, - IB_ULONGLONG_MAX); - ut_a(n_pages != ULINT_UNDEFINED); - - buf_flush_wait_batch_end(BUF_FLUSH_LIST); - - buf_pool_invalidate(); - - mutex_enter(&(log_sys->mutex)); - mutex_enter(&(recv_sys->mutex)); - ut_d(recv_no_log_write = FALSE); - - recv_no_ibuf_operations = FALSE; - } - - recv_sys->apply_log_recs = FALSE; - recv_sys->apply_batch_on = FALSE; - - recv_sys_empty_hash(); - - if (has_printed) { - fprintf(stderr, "InnoDB: Apply batch completed\n"); - } - - mutex_exit(&(recv_sys->mutex)); -} -#else /* !UNIV_HOTBACKUP */ -/*******************************************************************//** -Applies log records in the hash table to a backup. */ -UNIV_INTERN -void -recv_apply_log_recs_for_backup(void) -/*================================*/ -{ - recv_addr_t* recv_addr; - ulint n_hash_cells; - buf_block_t* block; - ulint actual_size; - ibool success; - ulint error; - ulint i; - - recv_sys->apply_log_recs = TRUE; - recv_sys->apply_batch_on = TRUE; - - block = back_block1; - - fputs("InnoDB: Starting an apply batch of log records" - " to the database...\n" - "InnoDB: Progress in percents: ", stderr); - - n_hash_cells = hash_get_n_cells(recv_sys->addr_hash); - - for (i = 0; i < n_hash_cells; i++) { - /* The address hash table is externally chained */ - recv_addr = hash_get_nth_cell(recv_sys->addr_hash, i)->node; - - while (recv_addr != NULL) { - - ulint zip_size - = fil_space_get_zip_size(recv_addr->space); - - if (zip_size == ULINT_UNDEFINED) { -#if 0 - fprintf(stderr, - "InnoDB: Warning: cannot apply" - " log record to" - " tablespace %lu page %lu,\n" - "InnoDB: because tablespace with" - " that id does not exist.\n", - recv_addr->space, recv_addr->page_no); -#endif - recv_addr->state = RECV_PROCESSED; - - ut_a(recv_sys->n_addrs); - recv_sys->n_addrs--; - - goto skip_this_recv_addr; - } - - /* We simulate a page read made by the buffer pool, to - make sure the recovery apparatus works ok. We must init - the block. */ - - buf_page_init_for_backup_restore( - recv_addr->space, recv_addr->page_no, - zip_size, block); - - /* Extend the tablespace's last file if the page_no - does not fall inside its bounds; we assume the last - file is auto-extending, and ibbackup copied the file - when it still was smaller */ - - success = fil_extend_space_to_desired_size( - &actual_size, - recv_addr->space, recv_addr->page_no + 1); - if (!success) { - fprintf(stderr, - "InnoDB: Fatal error: cannot extend" - " tablespace %lu to hold %lu pages\n", - recv_addr->space, recv_addr->page_no); - - exit(1); - } - - /* Read the page from the tablespace file using the - fil0fil.c routines */ - - if (zip_size) { - error = fil_io(OS_FILE_READ, TRUE, - recv_addr->space, zip_size, - recv_addr->page_no, 0, zip_size, - block->page.zip.data, NULL); - if (error == DB_SUCCESS - && !buf_zip_decompress(block, TRUE)) { - exit(1); - } - } else { - error = fil_io(OS_FILE_READ, TRUE, - recv_addr->space, 0, - recv_addr->page_no, 0, - UNIV_PAGE_SIZE, - block->frame, NULL); - } - - if (error != DB_SUCCESS) { - fprintf(stderr, - "InnoDB: Fatal error: cannot read" - " from tablespace" - " %lu page number %lu\n", - (ulong) recv_addr->space, - (ulong) recv_addr->page_no); - - exit(1); - } - - /* Apply the log records to this page */ - recv_recover_page(FALSE, block); - - /* Write the page back to the tablespace file using the - fil0fil.c routines */ - - buf_flush_init_for_writing( - block->frame, buf_block_get_page_zip(block), - mach_read_ull(block->frame + FIL_PAGE_LSN)); - - if (zip_size) { - error = fil_io(OS_FILE_WRITE, TRUE, - recv_addr->space, zip_size, - recv_addr->page_no, 0, - zip_size, - block->page.zip.data, NULL); - } else { - error = fil_io(OS_FILE_WRITE, TRUE, - recv_addr->space, 0, - recv_addr->page_no, 0, - UNIV_PAGE_SIZE, - block->frame, NULL); - } -skip_this_recv_addr: - recv_addr = HASH_GET_NEXT(addr_hash, recv_addr); - } - - if ((100 * i) / n_hash_cells - != (100 * (i + 1)) / n_hash_cells) { - fprintf(stderr, "%lu ", - (ulong) ((100 * i) / n_hash_cells)); - fflush(stderr); - } - } - - recv_sys_empty_hash(); -} -#endif /* !UNIV_HOTBACKUP */ - -/*******************************************************************//** -Tries to parse a single log record and returns its length. -@return length of the record, or 0 if the record was not complete */ -static -ulint -recv_parse_log_rec( -/*===============*/ - byte* ptr, /*!< in: pointer to a buffer */ - byte* end_ptr,/*!< in: pointer to the buffer end */ - byte* type, /*!< out: type */ - ulint* space, /*!< out: space id */ - ulint* page_no,/*!< out: page number */ - byte** body) /*!< out: log record body start */ -{ - byte* new_ptr; - - *body = NULL; - - if (ptr == end_ptr) { - - return(0); - } - - if (*ptr == MLOG_MULTI_REC_END) { - - *type = *ptr; - - return(1); - } - - if (*ptr == MLOG_DUMMY_RECORD) { - *type = *ptr; - - *space = ULINT_UNDEFINED - 1; /* For debugging */ - - return(1); - } - - new_ptr = mlog_parse_initial_log_record(ptr, end_ptr, type, space, - page_no); - *body = new_ptr; - - if (UNIV_UNLIKELY(!new_ptr)) { - - return(0); - } - -#ifdef UNIV_LOG_LSN_DEBUG - if (*type == MLOG_LSN) { - ib_uint64_t lsn = (ib_uint64_t) *space << 32 | *page_no; -# ifdef UNIV_LOG_DEBUG - ut_a(lsn == log_sys->old_lsn); -# else /* UNIV_LOG_DEBUG */ - ut_a(lsn == recv_sys->recovered_lsn); -# endif /* UNIV_LOG_DEBUG */ - } -#endif /* UNIV_LOG_LSN_DEBUG */ - - new_ptr = recv_parse_or_apply_log_rec_body(*type, new_ptr, end_ptr, - NULL, NULL); - if (UNIV_UNLIKELY(new_ptr == NULL)) { - - return(0); - } - - if (*page_no > recv_max_parsed_page_no) { - recv_max_parsed_page_no = *page_no; - } - - return(new_ptr - ptr); -} - -/*******************************************************//** -Calculates the new value for lsn when more data is added to the log. */ -static -ib_uint64_t -recv_calc_lsn_on_data_add( -/*======================*/ - ib_uint64_t lsn, /*!< in: old lsn */ - ib_uint64_t len) /*!< in: this many bytes of data is - added, log block headers not included */ -{ - ulint frag_len; - ulint lsn_len; - - frag_len = (((ulint) lsn) % OS_FILE_LOG_BLOCK_SIZE) - - LOG_BLOCK_HDR_SIZE; - ut_ad(frag_len < OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE - - LOG_BLOCK_TRL_SIZE); - lsn_len = (ulint) len; - lsn_len += (lsn_len + frag_len) - / (OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_HDR_SIZE - - LOG_BLOCK_TRL_SIZE) - * (LOG_BLOCK_HDR_SIZE + LOG_BLOCK_TRL_SIZE); - - return(lsn + lsn_len); -} - -#ifdef UNIV_LOG_DEBUG -/*******************************************************//** -Checks that the parser recognizes incomplete initial segments of a log -record as incomplete. */ -static -void -recv_check_incomplete_log_recs( -/*===========================*/ - byte* ptr, /*!< in: pointer to a complete log record */ - ulint len) /*!< in: length of the log record */ -{ - ulint i; - byte type; - ulint space; - ulint page_no; - byte* body; - - for (i = 0; i < len; i++) { - ut_a(0 == recv_parse_log_rec(ptr, ptr + i, &type, &space, - &page_no, &body)); - } -} -#endif /* UNIV_LOG_DEBUG */ - -/*******************************************************//** -Prints diagnostic info of corrupt log. */ -static -void -recv_report_corrupt_log( -/*====================*/ - byte* ptr, /*!< in: pointer to corrupt log record */ - byte type, /*!< in: type of the record */ - ulint space, /*!< in: space id, this may also be garbage */ - ulint page_no)/*!< in: page number, this may also be garbage */ -{ - fprintf(stderr, - "InnoDB: ############### CORRUPT LOG RECORD FOUND\n" - "InnoDB: Log record type %lu, space id %lu, page number %lu\n" - "InnoDB: Log parsing proceeded successfully up to %llu\n" - "InnoDB: Previous log record type %lu, is multi %lu\n" - "InnoDB: Recv offset %lu, prev %lu\n", - (ulong) type, (ulong) space, (ulong) page_no, - recv_sys->recovered_lsn, - (ulong) recv_previous_parsed_rec_type, - (ulong) recv_previous_parsed_rec_is_multi, - (ulong) (ptr - recv_sys->buf), - (ulong) recv_previous_parsed_rec_offset); - - if ((ulint)(ptr - recv_sys->buf + 100) - > recv_previous_parsed_rec_offset - && (ulint)(ptr - recv_sys->buf + 100 - - recv_previous_parsed_rec_offset) - < 200000) { - fputs("InnoDB: Hex dump of corrupt log starting" - " 100 bytes before the start\n" - "InnoDB: of the previous log rec,\n" - "InnoDB: and ending 100 bytes after the start" - " of the corrupt rec:\n", - stderr); - - ut_print_buf(stderr, - recv_sys->buf - + recv_previous_parsed_rec_offset - 100, - ptr - recv_sys->buf + 200 - - recv_previous_parsed_rec_offset); - putc('\n', stderr); - } - -#ifndef UNIV_HOTBACKUP - if (!srv_force_recovery) { - fputs("InnoDB: Set innodb_force_recovery" - " to ignore this error.\n", stderr); - ut_error; - } -#endif /* !UNIV_HOTBACKUP */ - - fputs("InnoDB: WARNING: the log file may have been corrupt and it\n" - "InnoDB: is possible that the log scan did not proceed\n" - "InnoDB: far enough in recovery! Please run CHECK TABLE\n" - "InnoDB: on your InnoDB tables to check that they are ok!\n" - "InnoDB: If mysqld crashes after this recovery, look at\n" - "InnoDB: " REFMAN "forcing-recovery.html\n" - "InnoDB: about forcing recovery.\n", stderr); - - fflush(stderr); -} - -/*******************************************************//** -Parses log records from a buffer and stores them to a hash table to wait -merging to file pages. -@return currently always returns FALSE */ -static -ibool -recv_parse_log_recs( -/*================*/ - ibool store_to_hash) /*!< in: TRUE if the records should be stored - to the hash table; this is set to FALSE if just - debug checking is needed */ -{ - byte* ptr; - byte* end_ptr; - ulint single_rec; - ulint len; - ulint total_len; - ib_uint64_t new_recovered_lsn; - ib_uint64_t old_lsn; - byte type; - ulint space; - ulint page_no; - byte* body; - ulint n_recs; - - ut_ad(mutex_own(&(log_sys->mutex))); - ut_ad(recv_sys->parse_start_lsn != 0); -loop: - ptr = recv_sys->buf + recv_sys->recovered_offset; - - end_ptr = recv_sys->buf + recv_sys->len; - - if (ptr == end_ptr) { - - return(FALSE); - } - - single_rec = (ulint)*ptr & MLOG_SINGLE_REC_FLAG; - - if (single_rec || *ptr == MLOG_DUMMY_RECORD) { - /* The mtr only modified a single page, or this is a file op */ - - old_lsn = recv_sys->recovered_lsn; - - /* Try to parse a log record, fetching its type, space id, - page no, and a pointer to the body of the log record */ - - len = recv_parse_log_rec(ptr, end_ptr, &type, &space, - &page_no, &body); - - if (len == 0 || recv_sys->found_corrupt_log) { - if (recv_sys->found_corrupt_log) { - - recv_report_corrupt_log(ptr, - type, space, page_no); - } - - return(FALSE); - } - - new_recovered_lsn = recv_calc_lsn_on_data_add(old_lsn, len); - - if (new_recovered_lsn > recv_sys->scanned_lsn) { - /* The log record filled a log block, and we require - that also the next log block should have been scanned - in */ - - return(FALSE); - } - - recv_previous_parsed_rec_type = (ulint)type; - recv_previous_parsed_rec_offset = recv_sys->recovered_offset; - recv_previous_parsed_rec_is_multi = 0; - - recv_sys->recovered_offset += len; - recv_sys->recovered_lsn = new_recovered_lsn; - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Parsed a single log rec" - " type %lu len %lu space %lu page no %lu\n", - (ulong) type, (ulong) len, (ulong) space, - (ulong) page_no); - } -#endif /* UNIV_DEBUG */ - - if (type == MLOG_DUMMY_RECORD) { - /* Do nothing */ - - } else if (!store_to_hash) { - /* In debug checking, update a replicate page - according to the log record, and check that it - becomes identical with the original page */ -#ifdef UNIV_LOG_DEBUG - recv_check_incomplete_log_recs(ptr, len); -#endif/* UNIV_LOG_DEBUG */ - - } else if (type == MLOG_FILE_CREATE - || type == MLOG_FILE_CREATE2 - || type == MLOG_FILE_RENAME - || type == MLOG_FILE_DELETE) { - ut_a(space); -#ifdef UNIV_HOTBACKUP - if (recv_replay_file_ops) { - - /* In ibbackup --apply-log, replay an .ibd file - operation, if possible; note that - fil_path_to_mysql_datadir is set in ibbackup to - point to the datadir we should use there */ - - if (NULL == fil_op_log_parse_or_replay( - body, end_ptr, type, - space, page_no)) { - fprintf(stderr, - "InnoDB: Error: file op" - " log record of type %lu" - " space %lu not complete in\n" - "InnoDB: the replay phase." - " Path %s\n", - (ulint)type, space, - (char*)(body + 2)); - - ut_error; - } - } -#endif - /* In normal mysqld crash recovery we do not try to - replay file operations */ -#ifdef UNIV_LOG_LSN_DEBUG - } else if (type == MLOG_LSN) { - /* Do not add these records to the hash table. - The page number and space id fields are misused - for something else. */ -#endif /* UNIV_LOG_LSN_DEBUG */ - } else { - recv_add_to_hash_table(type, space, page_no, body, - ptr + len, old_lsn, - recv_sys->recovered_lsn); - } - } else { - /* Check that all the records associated with the single mtr - are included within the buffer */ - - total_len = 0; - n_recs = 0; - - for (;;) { - len = recv_parse_log_rec(ptr, end_ptr, &type, &space, - &page_no, &body); - if (len == 0 || recv_sys->found_corrupt_log) { - - if (recv_sys->found_corrupt_log) { - - recv_report_corrupt_log( - ptr, type, space, page_no); - } - - return(FALSE); - } - - recv_previous_parsed_rec_type = (ulint)type; - recv_previous_parsed_rec_offset - = recv_sys->recovered_offset + total_len; - recv_previous_parsed_rec_is_multi = 1; - -#ifdef UNIV_LOG_DEBUG - if ((!store_to_hash) && (type != MLOG_MULTI_REC_END)) { - recv_check_incomplete_log_recs(ptr, len); - } -#endif /* UNIV_LOG_DEBUG */ - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Parsed a multi log rec" - " type %lu len %lu" - " space %lu page no %lu\n", - (ulong) type, (ulong) len, - (ulong) space, (ulong) page_no); - } -#endif /* UNIV_DEBUG */ - - total_len += len; - n_recs++; - - ptr += len; - - if (type == MLOG_MULTI_REC_END) { - - /* Found the end mark for the records */ - - break; - } - } - - new_recovered_lsn = recv_calc_lsn_on_data_add( - recv_sys->recovered_lsn, total_len); - - if (new_recovered_lsn > recv_sys->scanned_lsn) { - /* The log record filled a log block, and we require - that also the next log block should have been scanned - in */ - - return(FALSE); - } - - /* Add all the records to the hash table */ - - ptr = recv_sys->buf + recv_sys->recovered_offset; - - for (;;) { - old_lsn = recv_sys->recovered_lsn; - len = recv_parse_log_rec(ptr, end_ptr, &type, &space, - &page_no, &body); - if (recv_sys->found_corrupt_log) { - - recv_report_corrupt_log(ptr, - type, space, page_no); - } - - ut_a(len != 0); - ut_a(0 == ((ulint)*ptr & MLOG_SINGLE_REC_FLAG)); - - recv_sys->recovered_offset += len; - recv_sys->recovered_lsn - = recv_calc_lsn_on_data_add(old_lsn, len); - if (type == MLOG_MULTI_REC_END) { - - /* Found the end mark for the records */ - - break; - } - - if (store_to_hash -#ifdef UNIV_LOG_LSN_DEBUG - && type != MLOG_LSN -#endif /* UNIV_LOG_LSN_DEBUG */ - ) { - recv_add_to_hash_table(type, space, page_no, - body, ptr + len, - old_lsn, - new_recovered_lsn); - } - - ptr += len; - } - } - - goto loop; -} - -/*******************************************************//** -Adds data from a new log block to the parsing buffer of recv_sys if -recv_sys->parse_start_lsn is non-zero. -@return TRUE if more data added */ -static -ibool -recv_sys_add_to_parsing_buf( -/*========================*/ - const byte* log_block, /*!< in: log block */ - ib_uint64_t scanned_lsn) /*!< in: lsn of how far we were able - to find data in this log block */ -{ - ulint more_len; - ulint data_len; - ulint start_offset; - ulint end_offset; - - ut_ad(scanned_lsn >= recv_sys->scanned_lsn); - - if (!recv_sys->parse_start_lsn) { - /* Cannot start parsing yet because no start point for - it found */ - - return(FALSE); - } - - data_len = log_block_get_data_len(log_block); - - if (recv_sys->parse_start_lsn >= scanned_lsn) { - - return(FALSE); - - } else if (recv_sys->scanned_lsn >= scanned_lsn) { - - return(FALSE); - - } else if (recv_sys->parse_start_lsn > recv_sys->scanned_lsn) { - more_len = (ulint) (scanned_lsn - recv_sys->parse_start_lsn); - } else { - more_len = (ulint) (scanned_lsn - recv_sys->scanned_lsn); - } - - if (more_len == 0) { - - return(FALSE); - } - - ut_ad(data_len >= more_len); - - start_offset = data_len - more_len; - - if (start_offset < LOG_BLOCK_HDR_SIZE) { - start_offset = LOG_BLOCK_HDR_SIZE; - } - - end_offset = data_len; - - if (end_offset > OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE) { - end_offset = OS_FILE_LOG_BLOCK_SIZE - LOG_BLOCK_TRL_SIZE; - } - - ut_ad(start_offset <= end_offset); - - if (start_offset < end_offset) { - ut_memcpy(recv_sys->buf + recv_sys->len, - log_block + start_offset, end_offset - start_offset); - - recv_sys->len += end_offset - start_offset; - - ut_a(recv_sys->len <= RECV_PARSING_BUF_SIZE); - } - - return(TRUE); -} - -/*******************************************************//** -Moves the parsing buffer data left to the buffer start. */ -static -void -recv_sys_justify_left_parsing_buf(void) -/*===================================*/ -{ - ut_memmove(recv_sys->buf, recv_sys->buf + recv_sys->recovered_offset, - recv_sys->len - recv_sys->recovered_offset); - - recv_sys->len -= recv_sys->recovered_offset; - - recv_sys->recovered_offset = 0; -} - -/*******************************************************//** -Scans log from a buffer and stores new log data to the parsing buffer. -Parses and hashes the log records if new data found. Unless -UNIV_HOTBACKUP is defined, this function will apply log records -automatically when the hash table becomes full. -@return TRUE if limit_lsn has been reached, or not able to scan any -more in this log group */ -UNIV_INTERN -ibool -recv_scan_log_recs( -/*===============*/ - ulint available_memory,/*!< in: we let the hash table of recs - to grow to this size, at the maximum */ - ibool store_to_hash, /*!< in: TRUE if the records should be - stored to the hash table; this is set - to FALSE if just debug checking is - needed */ - const byte* buf, /*!< in: buffer containing a log - segment or garbage */ - ulint len, /*!< in: buffer length */ - ib_uint64_t start_lsn, /*!< in: buffer start lsn */ - ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log - groups contain contiguous log data up - to this lsn */ - ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to - this lsn */ -{ - const byte* log_block; - ulint no; - ib_uint64_t scanned_lsn; - ibool finished; - ulint data_len; - ibool more_data; - - ut_ad(start_lsn % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_ad(len % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_ad(len >= OS_FILE_LOG_BLOCK_SIZE); - ut_a(store_to_hash <= TRUE); - - finished = FALSE; - - log_block = buf; - scanned_lsn = start_lsn; - more_data = FALSE; - - do { - no = log_block_get_hdr_no(log_block); - /* - fprintf(stderr, "Log block header no %lu\n", no); - - fprintf(stderr, "Scanned lsn no %lu\n", - log_block_convert_lsn_to_no(scanned_lsn)); - */ - if (no != log_block_convert_lsn_to_no(scanned_lsn) - || !log_block_checksum_is_ok_or_old_format(log_block)) { - - if (no == log_block_convert_lsn_to_no(scanned_lsn) - && !log_block_checksum_is_ok_or_old_format( - log_block)) { - fprintf(stderr, - "InnoDB: Log block no %lu at" - " lsn %llu has\n" - "InnoDB: ok header, but checksum field" - " contains %lu, should be %lu\n", - (ulong) no, - scanned_lsn, - (ulong) log_block_get_checksum( - log_block), - (ulong) log_block_calc_checksum( - log_block)); - } - - /* Garbage or an incompletely written log block */ - - finished = TRUE; - - break; - } - - if (log_block_get_flush_bit(log_block)) { - /* This block was a start of a log flush operation: - we know that the previous flush operation must have - been completed for all log groups before this block - can have been flushed to any of the groups. Therefore, - we know that log data is contiguous up to scanned_lsn - in all non-corrupt log groups. */ - - if (scanned_lsn > *contiguous_lsn) { - *contiguous_lsn = scanned_lsn; - } - } - - data_len = log_block_get_data_len(log_block); - - if ((store_to_hash || (data_len == OS_FILE_LOG_BLOCK_SIZE)) - && scanned_lsn + data_len > recv_sys->scanned_lsn - && (recv_sys->scanned_checkpoint_no > 0) - && (log_block_get_checkpoint_no(log_block) - < recv_sys->scanned_checkpoint_no) - && (recv_sys->scanned_checkpoint_no - - log_block_get_checkpoint_no(log_block) - > 0x80000000UL)) { - - /* Garbage from a log buffer flush which was made - before the most recent database recovery */ - - finished = TRUE; -#ifdef UNIV_LOG_DEBUG - /* This is not really an error, but currently - we stop here in the debug version: */ - - ut_error; -#endif - break; - } - - if (!recv_sys->parse_start_lsn - && (log_block_get_first_rec_group(log_block) > 0)) { - - /* We found a point from which to start the parsing - of log records */ - - recv_sys->parse_start_lsn = scanned_lsn - + log_block_get_first_rec_group(log_block); - recv_sys->scanned_lsn = recv_sys->parse_start_lsn; - recv_sys->recovered_lsn = recv_sys->parse_start_lsn; - } - - scanned_lsn += data_len; - - if (scanned_lsn > recv_sys->scanned_lsn) { - - /* We have found more entries. If this scan is - of startup type, we must initiate crash recovery - environment before parsing these log records. */ - -#ifndef UNIV_HOTBACKUP - if (recv_log_scan_is_startup_type - && !recv_needed_recovery) { - - fprintf(stderr, - "InnoDB: Log scan progressed" - " past the checkpoint lsn %llu\n", - recv_sys->scanned_lsn); - recv_init_crash_recovery(); - } -#endif /* !UNIV_HOTBACKUP */ - - /* We were able to find more log data: add it to the - parsing buffer if parse_start_lsn is already - non-zero */ - - if (recv_sys->len + 4 * OS_FILE_LOG_BLOCK_SIZE - >= RECV_PARSING_BUF_SIZE) { - fprintf(stderr, - "InnoDB: Error: log parsing" - " buffer overflow." - " Recovery may have failed!\n"); - - recv_sys->found_corrupt_log = TRUE; - -#ifndef UNIV_HOTBACKUP - if (!srv_force_recovery) { - fputs("InnoDB: Set" - " innodb_force_recovery" - " to ignore this error.\n", - stderr); - ut_error; - } -#endif /* !UNIV_HOTBACKUP */ - - } else if (!recv_sys->found_corrupt_log) { - more_data = recv_sys_add_to_parsing_buf( - log_block, scanned_lsn); - } - - recv_sys->scanned_lsn = scanned_lsn; - recv_sys->scanned_checkpoint_no - = log_block_get_checkpoint_no(log_block); - } - - if (data_len < OS_FILE_LOG_BLOCK_SIZE) { - /* Log data for this group ends here */ - - finished = TRUE; - break; - } else { - log_block += OS_FILE_LOG_BLOCK_SIZE; - } - } while (log_block < buf + len && !finished); - - *group_scanned_lsn = scanned_lsn; - - if (recv_needed_recovery - || (recv_is_from_backup && !recv_is_making_a_backup)) { - recv_scan_print_counter++; - - if (finished || (recv_scan_print_counter % 80 == 0)) { - - fprintf(stderr, - "InnoDB: Doing recovery: scanned up to" - " log sequence number %llu\n", - *group_scanned_lsn); - } - } - - if (more_data && !recv_sys->found_corrupt_log) { - /* Try to parse more log records */ - - recv_parse_log_recs(store_to_hash); - -#ifndef UNIV_HOTBACKUP - if (store_to_hash && mem_heap_get_size(recv_sys->heap) - > available_memory) { - - /* Hash table of log records has grown too big: - empty it; FALSE means no ibuf operations - allowed, as we cannot add new records to the - log yet: they would be produced by ibuf - operations */ - - recv_apply_hashed_log_recs(FALSE); - } -#endif /* !UNIV_HOTBACKUP */ - - if (recv_sys->recovered_offset > RECV_PARSING_BUF_SIZE / 4) { - /* Move parsing buffer data to the buffer start */ - - recv_sys_justify_left_parsing_buf(); - } - } - - return(finished); -} - -#ifndef UNIV_HOTBACKUP -/*******************************************************//** -Scans log from a buffer and stores new log data to the parsing buffer. Parses -and hashes the log records if new data found. */ -static -void -recv_group_scan_log_recs( -/*=====================*/ - log_group_t* group, /*!< in: log group */ - ib_uint64_t* contiguous_lsn, /*!< in/out: it is known that all log - groups contain contiguous log data up - to this lsn */ - ib_uint64_t* group_scanned_lsn)/*!< out: scanning succeeded up to - this lsn */ -{ - ibool finished; - ib_uint64_t start_lsn; - ib_uint64_t end_lsn; - - finished = FALSE; - - start_lsn = *contiguous_lsn; - - while (!finished) { - end_lsn = start_lsn + RECV_SCAN_SIZE; - - log_group_read_log_seg(LOG_RECOVER, log_sys->buf, - group, start_lsn, end_lsn); - - finished = recv_scan_log_recs( - (buf_pool->curr_size - recv_n_pool_free_frames) - * UNIV_PAGE_SIZE, TRUE, log_sys->buf, RECV_SCAN_SIZE, - start_lsn, contiguous_lsn, group_scanned_lsn); - start_lsn = end_lsn; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Scanned group %lu up to" - " log sequence number %llu\n", - (ulong) group->id, - *group_scanned_lsn); - } -#endif /* UNIV_DEBUG */ -} - -/*******************************************************//** -Initialize crash recovery environment. Can be called iff -recv_needed_recovery == FALSE. */ -static -void -recv_init_crash_recovery(void) -/*==========================*/ -{ - ut_a(!recv_needed_recovery); - - recv_needed_recovery = TRUE; - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Database was not" - " shut down normally!\n" - "InnoDB: Starting crash recovery.\n"); - - fprintf(stderr, - "InnoDB: Reading tablespace information" - " from the .ibd files...\n"); - - fil_load_single_table_tablespaces(); - - /* If we are using the doublewrite method, we will - check if there are half-written pages in data files, - and restore them from the doublewrite buffer if - possible */ - - if (srv_force_recovery < SRV_FORCE_NO_LOG_REDO) { - - fprintf(stderr, - "InnoDB: Restoring possible" - " half-written data pages from" - " the doublewrite\n" - "InnoDB: buffer...\n"); - trx_sys_doublewrite_init_or_restore_pages(TRUE); - } -} - -/********************************************************//** -Recovers from a checkpoint. When this function returns, the database is able -to start processing of new user transactions, but the function -recv_recovery_from_checkpoint_finish should be called later to complete -the recovery and free the resources used in it. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -recv_recovery_from_checkpoint_start_func( -/*=====================================*/ -#ifdef UNIV_LOG_ARCHIVE - ulint type, /*!< in: LOG_CHECKPOINT or - LOG_ARCHIVE */ - ib_uint64_t limit_lsn, /*!< in: recover up to this lsn - if possible */ -#endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn from - data files */ - ib_uint64_t max_flushed_lsn)/*!< in: max flushed lsn from - data files */ -{ - log_group_t* group; - log_group_t* max_cp_group; - log_group_t* up_to_date_group; - ulint max_cp_field; - ib_uint64_t checkpoint_lsn; - ib_uint64_t checkpoint_no; - ib_uint64_t old_scanned_lsn; - ib_uint64_t group_scanned_lsn; - ib_uint64_t contiguous_lsn; - ib_uint64_t archived_lsn; - byte* buf; - byte log_hdr_buf[LOG_FILE_HDR_SIZE]; - ulint err; - -#ifdef UNIV_LOG_ARCHIVE - ut_ad(type != LOG_CHECKPOINT || limit_lsn == IB_ULONGLONG_MAX); -/** TRUE when recovering from a checkpoint */ -# define TYPE_CHECKPOINT (type == LOG_CHECKPOINT) -/** Recover up to this log sequence number */ -# define LIMIT_LSN limit_lsn -#else /* UNIV_LOG_ARCHIVE */ -/** TRUE when recovering from a checkpoint */ -# define TYPE_CHECKPOINT 1 -/** Recover up to this log sequence number */ -# define LIMIT_LSN IB_ULONGLONG_MAX -#endif /* UNIV_LOG_ARCHIVE */ - - if (TYPE_CHECKPOINT) { - recv_sys_create(); - recv_sys_init(buf_pool_get_curr_size()); - } - - if (srv_force_recovery >= SRV_FORCE_NO_LOG_REDO) { - fprintf(stderr, - "InnoDB: The user has set SRV_FORCE_NO_LOG_REDO on\n"); - fprintf(stderr, - "InnoDB: Skipping log redo\n"); - - return(DB_SUCCESS); - } - - recv_recovery_on = TRUE; - - recv_sys->limit_lsn = LIMIT_LSN; - - mutex_enter(&(log_sys->mutex)); - - /* Look for the latest checkpoint from any of the log groups */ - - err = recv_find_max_checkpoint(&max_cp_group, &max_cp_field); - - if (err != DB_SUCCESS) { - - mutex_exit(&(log_sys->mutex)); - - return(err); - } - - log_group_read_checkpoint_info(max_cp_group, max_cp_field); - - buf = log_sys->checkpoint_buf; - - checkpoint_lsn = mach_read_ull(buf + LOG_CHECKPOINT_LSN); - checkpoint_no = mach_read_ull(buf + LOG_CHECKPOINT_NO); - archived_lsn = mach_read_ull(buf + LOG_CHECKPOINT_ARCHIVED_LSN); - - /* Read the first log file header to print a note if this is - a recovery from a restored InnoDB Hot Backup */ - - fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, max_cp_group->space_id, 0, - 0, 0, LOG_FILE_HDR_SIZE, - log_hdr_buf, max_cp_group); - - if (0 == ut_memcmp(log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, - (byte*)"ibbackup", (sizeof "ibbackup") - 1)) { - /* This log file was created by ibbackup --restore: print - a note to the user about it */ - - fprintf(stderr, - "InnoDB: The log file was created by" - " ibbackup --apply-log at\n" - "InnoDB: %s\n", - log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP); - fprintf(stderr, - "InnoDB: NOTE: the following crash recovery" - " is part of a normal restore.\n"); - - /* Wipe over the label now */ - - memset(log_hdr_buf + LOG_FILE_WAS_CREATED_BY_HOT_BACKUP, - ' ', 4); - /* Write to the log file to wipe over the label */ - fil_io(OS_FILE_WRITE | OS_FILE_LOG, TRUE, - max_cp_group->space_id, 0, - 0, 0, OS_FILE_LOG_BLOCK_SIZE, - log_hdr_buf, max_cp_group); - } - -#ifdef UNIV_LOG_ARCHIVE - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group) { - log_checkpoint_get_nth_group_info(buf, group->id, - &(group->archived_file_no), - &(group->archived_offset)); - - group = UT_LIST_GET_NEXT(log_groups, group); - } -#endif /* UNIV_LOG_ARCHIVE */ - - if (TYPE_CHECKPOINT) { - /* Start reading the log groups from the checkpoint lsn up. The - variable contiguous_lsn contains an lsn up to which the log is - known to be contiguously written to all log groups. */ - - recv_sys->parse_start_lsn = checkpoint_lsn; - recv_sys->scanned_lsn = checkpoint_lsn; - recv_sys->scanned_checkpoint_no = 0; - recv_sys->recovered_lsn = checkpoint_lsn; - - srv_start_lsn = checkpoint_lsn; - } - - contiguous_lsn = ut_uint64_align_down(recv_sys->scanned_lsn, - OS_FILE_LOG_BLOCK_SIZE); - if (TYPE_CHECKPOINT) { - up_to_date_group = max_cp_group; -#ifdef UNIV_LOG_ARCHIVE - } else { - ulint capacity; - - /* Try to recover the remaining part from logs: first from - the logs of the archived group */ - - group = recv_sys->archive_group; - capacity = log_group_get_capacity(group); - - if (recv_sys->scanned_lsn > checkpoint_lsn + capacity - || checkpoint_lsn > recv_sys->scanned_lsn + capacity) { - - mutex_exit(&(log_sys->mutex)); - - /* The group does not contain enough log: probably - an archived log file was missing or corrupt */ - - return(DB_ERROR); - } - - recv_group_scan_log_recs(group, &contiguous_lsn, - &group_scanned_lsn); - if (recv_sys->scanned_lsn < checkpoint_lsn) { - - mutex_exit(&(log_sys->mutex)); - - /* The group did not contain enough log: an archived - log file was missing or invalid, or the log group - was corrupt */ - - return(DB_ERROR); - } - - group->scanned_lsn = group_scanned_lsn; - up_to_date_group = group; -#endif /* UNIV_LOG_ARCHIVE */ - } - - ut_ad(RECV_SCAN_SIZE <= log_sys->buf_size); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - -#ifdef UNIV_LOG_ARCHIVE - if ((type == LOG_ARCHIVE) && (group == recv_sys->archive_group)) { - group = UT_LIST_GET_NEXT(log_groups, group); - } -#endif /* UNIV_LOG_ARCHIVE */ - - /* Set the flag to publish that we are doing startup scan. */ - recv_log_scan_is_startup_type = TYPE_CHECKPOINT; - while (group) { - old_scanned_lsn = recv_sys->scanned_lsn; - - recv_group_scan_log_recs(group, &contiguous_lsn, - &group_scanned_lsn); - group->scanned_lsn = group_scanned_lsn; - - if (old_scanned_lsn < group_scanned_lsn) { - /* We found a more up-to-date group */ - - up_to_date_group = group; - } - -#ifdef UNIV_LOG_ARCHIVE - if ((type == LOG_ARCHIVE) - && (group == recv_sys->archive_group)) { - group = UT_LIST_GET_NEXT(log_groups, group); - } -#endif /* UNIV_LOG_ARCHIVE */ - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - /* Done with startup scan. Clear the flag. */ - recv_log_scan_is_startup_type = FALSE; - if (TYPE_CHECKPOINT) { - /* NOTE: we always do a 'recovery' at startup, but only if - there is something wrong we will print a message to the - user about recovery: */ - - if (checkpoint_lsn != max_flushed_lsn - || checkpoint_lsn != min_flushed_lsn) { - - if (checkpoint_lsn < max_flushed_lsn) { - fprintf(stderr, - "InnoDB: #########################" - "#################################\n" - "InnoDB: " - "WARNING!\n" - "InnoDB: The log sequence number" - " in ibdata files is higher\n" - "InnoDB: than the log sequence number" - " in the ib_logfiles! Are you sure\n" - "InnoDB: you are using the right" - " ib_logfiles to start up" - " the database?\n" - "InnoDB: Log sequence number in" - " ib_logfiles is %llu, log\n" - "InnoDB: sequence numbers stamped" - " to ibdata file headers are between\n" - "InnoDB: %llu and %llu.\n" - "InnoDB: #########################" - "#################################\n", - checkpoint_lsn, - min_flushed_lsn, - max_flushed_lsn); - } - - if (!recv_needed_recovery) { - fprintf(stderr, - "InnoDB: The log sequence number" - " in ibdata files does not match\n" - "InnoDB: the log sequence number" - " in the ib_logfiles!\n"); - recv_init_crash_recovery(); - } - } - - if (!recv_needed_recovery) { - /* Init the doublewrite buffer memory structure */ - trx_sys_doublewrite_init_or_restore_pages(FALSE); - } - } - - /* We currently have only one log group */ - if (group_scanned_lsn < checkpoint_lsn) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: We were only able to scan the log" - " up to\n" - "InnoDB: %llu, but a checkpoint was at %llu.\n" - "InnoDB: It is possible that" - " the database is now corrupt!\n", - group_scanned_lsn, - checkpoint_lsn); - } - - if (group_scanned_lsn < recv_max_page_lsn) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: ERROR: We were only able to scan the log" - " up to %llu\n" - "InnoDB: but a database page a had an lsn %llu." - " It is possible that the\n" - "InnoDB: database is now corrupt!\n", - group_scanned_lsn, - recv_max_page_lsn); - } - - if (recv_sys->recovered_lsn < checkpoint_lsn) { - - mutex_exit(&(log_sys->mutex)); - - if (recv_sys->recovered_lsn >= LIMIT_LSN) { - - return(DB_SUCCESS); - } - - ut_error; - - return(DB_ERROR); - } - - /* Synchronize the uncorrupted log groups to the most up-to-date log - group; we also copy checkpoint info to groups */ - - log_sys->next_checkpoint_lsn = checkpoint_lsn; - log_sys->next_checkpoint_no = checkpoint_no + 1; - -#ifdef UNIV_LOG_ARCHIVE - log_sys->archived_lsn = archived_lsn; -#endif /* UNIV_LOG_ARCHIVE */ - - recv_synchronize_groups(up_to_date_group); - - if (!recv_needed_recovery) { - ut_a(checkpoint_lsn == recv_sys->recovered_lsn); - } else { - srv_start_lsn = recv_sys->recovered_lsn; - } - - log_sys->lsn = recv_sys->recovered_lsn; - - ut_memcpy(log_sys->buf, recv_sys->last_block, OS_FILE_LOG_BLOCK_SIZE); - - log_sys->buf_free = (ulint) log_sys->lsn % OS_FILE_LOG_BLOCK_SIZE; - log_sys->buf_next_to_write = log_sys->buf_free; - log_sys->written_to_some_lsn = log_sys->lsn; - log_sys->written_to_all_lsn = log_sys->lsn; - - log_sys->last_checkpoint_lsn = checkpoint_lsn; - - log_sys->next_checkpoint_no = checkpoint_no + 1; - -#ifdef UNIV_LOG_ARCHIVE - if (archived_lsn == IB_ULONGLONG_MAX) { - - log_sys->archiving_state = LOG_ARCH_OFF; - } -#endif /* UNIV_LOG_ARCHIVE */ - - mutex_enter(&(recv_sys->mutex)); - - recv_sys->apply_log_recs = TRUE; - - mutex_exit(&(recv_sys->mutex)); - - mutex_exit(&(log_sys->mutex)); - - recv_lsn_checks_on = TRUE; - - /* The database is now ready to start almost normal processing of user - transactions: transaction rollbacks and the application of the log - records in the hash table can be run in background. */ - - return(DB_SUCCESS); - -#undef TYPE_CHECKPOINT -#undef LIMIT_LSN -} - -/********************************************************//** -Completes recovery from a checkpoint. */ -UNIV_INTERN -void -recv_recovery_from_checkpoint_finish(void) -/*======================================*/ -{ - /* Apply the hashed log records to the respective file pages */ - - if (srv_force_recovery < SRV_FORCE_NO_LOG_REDO) { - - recv_apply_hashed_log_recs(TRUE); - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Log records applied to the database\n"); - } -#endif /* UNIV_DEBUG */ - - if (recv_needed_recovery) { - trx_sys_print_mysql_master_log_pos(); - trx_sys_print_mysql_binlog_offset(); - } - - if (recv_sys->found_corrupt_log) { - - fprintf(stderr, - "InnoDB: WARNING: the log file may have been" - " corrupt and it\n" - "InnoDB: is possible that the log scan or parsing" - " did not proceed\n" - "InnoDB: far enough in recovery. Please run" - " CHECK TABLE\n" - "InnoDB: on your InnoDB tables to check that" - " they are ok!\n" - "InnoDB: It may be safest to recover your" - " InnoDB database from\n" - "InnoDB: a backup!\n"); - } - - /* Free the resources of the recovery system */ - - recv_recovery_on = FALSE; - -#ifndef UNIV_LOG_DEBUG - recv_sys_debug_free(); -#endif - /* Roll back any recovered data dictionary transactions, so - that the data dictionary tables will be free of any locks. - The data dictionary latch should guarantee that there is at - most one data dictionary transaction active at a time. */ - trx_rollback_or_clean_recovered(FALSE); -} - -/********************************************************//** -Initiates the rollback of active transactions. */ -UNIV_INTERN -void -recv_recovery_rollback_active(void) -/*===============================*/ -{ - int i; - -#ifdef UNIV_SYNC_DEBUG - /* Wait for a while so that created threads have time to suspend - themselves before we switch the latching order checks on */ - os_thread_sleep(1000000); - - /* Switch latching order checks on in sync0sync.c */ - sync_order_checks_on = TRUE; -#endif - /* Drop partially created indexes. */ - row_merge_drop_temp_indexes(); - /* Drop temporary tables. */ - row_mysql_drop_temp_tables(); - - if (srv_force_recovery < SRV_FORCE_NO_TRX_UNDO) { - /* Rollback the uncommitted transactions which have no user - session */ - - os_thread_create(trx_rollback_or_clean_all_recovered, - (void *)&i, NULL); - } -} - -/******************************************************//** -Resets the logs. The contents of log files will be lost! */ -UNIV_INTERN -void -recv_reset_logs( -/*============*/ - ib_uint64_t lsn, /*!< in: reset to this lsn - rounded up to be divisible by - OS_FILE_LOG_BLOCK_SIZE, after - which we add - LOG_BLOCK_HDR_SIZE */ -#ifdef UNIV_LOG_ARCHIVE - ulint arch_log_no, /*!< in: next archived log file number */ -#endif /* UNIV_LOG_ARCHIVE */ - ibool new_logs_created)/*!< in: TRUE if resetting logs - is done at the log creation; - FALSE if it is done after - archive recovery */ -{ - log_group_t* group; - - ut_ad(mutex_own(&(log_sys->mutex))); - - log_sys->lsn = ut_uint64_align_up(lsn, OS_FILE_LOG_BLOCK_SIZE); - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group) { - group->lsn = log_sys->lsn; - group->lsn_offset = LOG_FILE_HDR_SIZE; -#ifdef UNIV_LOG_ARCHIVE - group->archived_file_no = arch_log_no; - group->archived_offset = 0; -#endif /* UNIV_LOG_ARCHIVE */ - - if (!new_logs_created) { - recv_truncate_group(group, group->lsn, group->lsn, - group->lsn, group->lsn); - } - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - log_sys->buf_next_to_write = 0; - log_sys->written_to_some_lsn = log_sys->lsn; - log_sys->written_to_all_lsn = log_sys->lsn; - - log_sys->next_checkpoint_no = 0; - log_sys->last_checkpoint_lsn = 0; - -#ifdef UNIV_LOG_ARCHIVE - log_sys->archived_lsn = log_sys->lsn; -#endif /* UNIV_LOG_ARCHIVE */ - - log_block_init(log_sys->buf, log_sys->lsn); - log_block_set_first_rec_group(log_sys->buf, LOG_BLOCK_HDR_SIZE); - - log_sys->buf_free = LOG_BLOCK_HDR_SIZE; - log_sys->lsn += LOG_BLOCK_HDR_SIZE; - - mutex_exit(&(log_sys->mutex)); - - /* Reset the checkpoint fields in logs */ - - log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); - log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); - - mutex_enter(&(log_sys->mutex)); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_HOTBACKUP -/******************************************************//** -Creates new log files after a backup has been restored. */ -UNIV_INTERN -void -recv_reset_log_files_for_backup( -/*============================*/ - const char* log_dir, /*!< in: log file directory path */ - ulint n_log_files, /*!< in: number of log files */ - ulint log_file_size, /*!< in: log file size */ - ib_uint64_t lsn) /*!< in: new start lsn, must be - divisible by OS_FILE_LOG_BLOCK_SIZE */ -{ - os_file_t log_file; - ibool success; - byte* buf; - ulint i; - ulint log_dir_len; - char name[5000]; - static const char ib_logfile_basename[] = "ib_logfile"; - - log_dir_len = strlen(log_dir); - /* full path name of ib_logfile consists of log dir path + basename - + number. This must fit in the name buffer. - */ - ut_a(log_dir_len + strlen(ib_logfile_basename) + 11 < sizeof(name)); - - buf = ut_malloc(LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); - memset(buf, '\0', LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); - - for (i = 0; i < n_log_files; i++) { - - sprintf(name, "%s%s%lu", log_dir, - ib_logfile_basename, (ulong)i); - - log_file = os_file_create_simple(name, OS_FILE_CREATE, - OS_FILE_READ_WRITE, &success); - if (!success) { - fprintf(stderr, - "InnoDB: Cannot create %s. Check that" - " the file does not exist yet.\n", name); - - exit(1); - } - - fprintf(stderr, - "Setting log file size to %lu %lu\n", - (ulong) ut_get_high32(log_file_size), - (ulong) log_file_size & 0xFFFFFFFFUL); - - success = os_file_set_size(name, log_file, - log_file_size & 0xFFFFFFFFUL, - ut_get_high32(log_file_size)); - - if (!success) { - fprintf(stderr, - "InnoDB: Cannot set %s size to %lu %lu\n", - name, (ulong) ut_get_high32(log_file_size), - (ulong) (log_file_size & 0xFFFFFFFFUL)); - exit(1); - } - - os_file_flush(log_file); - os_file_close(log_file); - } - - /* We pretend there is a checkpoint at lsn + LOG_BLOCK_HDR_SIZE */ - - log_reset_first_header_and_checkpoint(buf, lsn); - - log_block_init_in_old_format(buf + LOG_FILE_HDR_SIZE, lsn); - log_block_set_first_rec_group(buf + LOG_FILE_HDR_SIZE, - LOG_BLOCK_HDR_SIZE); - sprintf(name, "%s%s%lu", log_dir, ib_logfile_basename, (ulong)0); - - log_file = os_file_create_simple(name, OS_FILE_OPEN, - OS_FILE_READ_WRITE, &success); - if (!success) { - fprintf(stderr, "InnoDB: Cannot open %s.\n", name); - - exit(1); - } - - os_file_write(name, log_file, buf, 0, 0, - LOG_FILE_HDR_SIZE + OS_FILE_LOG_BLOCK_SIZE); - os_file_flush(log_file); - os_file_close(log_file); - - ut_free(buf); -} -#endif /* UNIV_HOTBACKUP */ - -#ifdef UNIV_LOG_ARCHIVE -/******************************************************//** -Reads from the archive of a log group and performs recovery. -@return TRUE if no more complete consistent archive files */ -static -ibool -log_group_recover_from_archive_file( -/*================================*/ - log_group_t* group) /*!< in: log group */ -{ - os_file_t file_handle; - ib_uint64_t start_lsn; - ib_uint64_t file_end_lsn; - ib_uint64_t dummy_lsn; - ib_uint64_t scanned_lsn; - ulint len; - ibool ret; - byte* buf; - ulint read_offset; - ulint file_size; - ulint file_size_high; - int input_char; - char name[10000]; - - ut_a(0); - -try_open_again: - buf = log_sys->buf; - - /* Add the file to the archive file space; open the file */ - - log_archived_file_name_gen(name, group->id, group->archived_file_no); - - file_handle = os_file_create(name, OS_FILE_OPEN, - OS_FILE_LOG, OS_FILE_AIO, &ret); - - if (ret == FALSE) { -ask_again: - fprintf(stderr, - "InnoDB: Do you want to copy additional" - " archived log files\n" - "InnoDB: to the directory\n"); - fprintf(stderr, - "InnoDB: or were these all the files needed" - " in recovery?\n"); - fprintf(stderr, - "InnoDB: (Y == copy more files; N == this is all)?"); - - input_char = getchar(); - - if (input_char == (int) 'N') { - - return(TRUE); - } else if (input_char == (int) 'Y') { - - goto try_open_again; - } else { - goto ask_again; - } - } - - ret = os_file_get_size(file_handle, &file_size, &file_size_high); - ut_a(ret); - - ut_a(file_size_high == 0); - - fprintf(stderr, "InnoDB: Opened archived log file %s\n", name); - - ret = os_file_close(file_handle); - - if (file_size < LOG_FILE_HDR_SIZE) { - fprintf(stderr, - "InnoDB: Archive file header incomplete %s\n", name); - - return(TRUE); - } - - ut_a(ret); - - /* Add the archive file as a node to the space */ - - fil_node_create(name, 1 + file_size / UNIV_PAGE_SIZE, - group->archive_space_id, FALSE); -#if RECV_SCAN_SIZE < LOG_FILE_HDR_SIZE -# error "RECV_SCAN_SIZE < LOG_FILE_HDR_SIZE" -#endif - - /* Read the archive file header */ - fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, group->archive_space_id, 0, 0, - LOG_FILE_HDR_SIZE, buf, NULL); - - /* Check if the archive file header is consistent */ - - if (mach_read_from_4(buf + LOG_GROUP_ID) != group->id - || mach_read_from_4(buf + LOG_FILE_NO) - != group->archived_file_no) { - fprintf(stderr, - "InnoDB: Archive file header inconsistent %s\n", name); - - return(TRUE); - } - - if (!mach_read_from_4(buf + LOG_FILE_ARCH_COMPLETED)) { - fprintf(stderr, - "InnoDB: Archive file not completely written %s\n", - name); - - return(TRUE); - } - - start_lsn = mach_read_ull(buf + LOG_FILE_START_LSN); - file_end_lsn = mach_read_ull(buf + LOG_FILE_END_LSN); - - if (!recv_sys->scanned_lsn) { - - if (recv_sys->parse_start_lsn < start_lsn) { - fprintf(stderr, - "InnoDB: Archive log file %s" - " starts from too big a lsn\n", - name); - return(TRUE); - } - - recv_sys->scanned_lsn = start_lsn; - } - - if (recv_sys->scanned_lsn != start_lsn) { - - fprintf(stderr, - "InnoDB: Archive log file %s starts from" - " a wrong lsn\n", - name); - return(TRUE); - } - - read_offset = LOG_FILE_HDR_SIZE; - - for (;;) { - len = RECV_SCAN_SIZE; - - if (read_offset + len > file_size) { - len = ut_calc_align_down(file_size - read_offset, - OS_FILE_LOG_BLOCK_SIZE); - } - - if (len == 0) { - - break; - } - -#ifdef UNIV_DEBUG - if (log_debug_writes) { - fprintf(stderr, - "InnoDB: Archive read starting at" - " lsn %llu, len %lu from file %s\n", - start_lsn, - (ulong) len, name); - } -#endif /* UNIV_DEBUG */ - - fil_io(OS_FILE_READ | OS_FILE_LOG, TRUE, - group->archive_space_id, read_offset / UNIV_PAGE_SIZE, - read_offset % UNIV_PAGE_SIZE, len, buf, NULL); - - ret = recv_scan_log_recs( - (buf_pool->n_frames - recv_n_pool_free_frames) - * UNIV_PAGE_SIZE, TRUE, buf, len, start_lsn, - &dummy_lsn, &scanned_lsn); - - if (scanned_lsn == file_end_lsn) { - - return(FALSE); - } - - if (ret) { - fprintf(stderr, - "InnoDB: Archive log file %s" - " does not scan right\n", - name); - return(TRUE); - } - - read_offset += len; - start_lsn += len; - - ut_ad(start_lsn == scanned_lsn); - } - - return(FALSE); -} - -/********************************************************//** -Recovers from archived log files, and also from log files, if they exist. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -recv_recovery_from_archive_start( -/*=============================*/ - ib_uint64_t min_flushed_lsn,/*!< in: min flushed lsn field from the - data files */ - ib_uint64_t limit_lsn, /*!< in: recover up to this lsn if - possible */ - ulint first_log_no) /*!< in: number of the first archived - log file to use in the recovery; the - file will be searched from - INNOBASE_LOG_ARCH_DIR specified in - server config file */ -{ - log_group_t* group; - ulint group_id; - ulint trunc_len; - ibool ret; - ulint err; - - ut_a(0); - - recv_sys_create(); - recv_sys_init(buf_pool_get_curr_size()); - - recv_recovery_on = TRUE; - recv_recovery_from_backup_on = TRUE; - - recv_sys->limit_lsn = limit_lsn; - - group_id = 0; - - group = UT_LIST_GET_FIRST(log_sys->log_groups); - - while (group) { - if (group->id == group_id) { - - break; - } - - group = UT_LIST_GET_NEXT(log_groups, group); - } - - if (!group) { - fprintf(stderr, - "InnoDB: There is no log group defined with id %lu!\n", - (ulong) group_id); - return(DB_ERROR); - } - - group->archived_file_no = first_log_no; - - recv_sys->parse_start_lsn = min_flushed_lsn; - - recv_sys->scanned_lsn = 0; - recv_sys->scanned_checkpoint_no = 0; - recv_sys->recovered_lsn = recv_sys->parse_start_lsn; - - recv_sys->archive_group = group; - - ret = FALSE; - - mutex_enter(&(log_sys->mutex)); - - while (!ret) { - ret = log_group_recover_from_archive_file(group); - - /* Close and truncate a possible processed archive file - from the file space */ - - trunc_len = UNIV_PAGE_SIZE - * fil_space_get_size(group->archive_space_id); - if (trunc_len > 0) { - fil_space_truncate_start(group->archive_space_id, - trunc_len); - } - - group->archived_file_no++; - } - - if (recv_sys->recovered_lsn < limit_lsn) { - - if (!recv_sys->scanned_lsn) { - - recv_sys->scanned_lsn = recv_sys->parse_start_lsn; - } - - mutex_exit(&(log_sys->mutex)); - - err = recv_recovery_from_checkpoint_start(LOG_ARCHIVE, - limit_lsn, - IB_ULONGLONG_MAX, - IB_ULONGLONG_MAX); - if (err != DB_SUCCESS) { - - return(err); - } - - mutex_enter(&(log_sys->mutex)); - } - - if (limit_lsn != IB_ULONGLONG_MAX) { - - recv_apply_hashed_log_recs(FALSE); - - recv_reset_logs(recv_sys->recovered_lsn, 0, FALSE); - } - - mutex_exit(&(log_sys->mutex)); - - return(DB_SUCCESS); -} - -/********************************************************//** -Completes recovery from archive. */ -UNIV_INTERN -void -recv_recovery_from_archive_finish(void) -/*===================================*/ -{ - recv_recovery_from_checkpoint_finish(); - - recv_recovery_from_backup_on = FALSE; -} -#endif /* UNIV_LOG_ARCHIVE */ diff --git a/perfschema/mach/mach0data.c b/perfschema/mach/mach0data.c deleted file mode 100644 index e030ce9aadf..00000000000 --- a/perfschema/mach/mach0data.c +++ /dev/null @@ -1,134 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/******************************************************************//** -@file mach/mach0data.c -Utilities for converting data from the database file -to the machine format. - -Created 11/28/1995 Heikki Tuuri -***********************************************************************/ - -#include "mach0data.h" - -#ifdef UNIV_NONINL -#include "mach0data.ic" -#endif - -/*********************************************************//** -Reads a ulint in a compressed form if the log record fully contains it. -@return pointer to end of the stored field, NULL if not complete */ -UNIV_INTERN -byte* -mach_parse_compressed( -/*==================*/ - byte* ptr, /*!< in: pointer to buffer from where to read */ - byte* end_ptr,/*!< in: pointer to end of the buffer */ - ulint* val) /*!< out: read value (< 2^32) */ -{ - ulint flag; - - ut_ad(ptr && end_ptr && val); - - if (ptr >= end_ptr) { - - return(NULL); - } - - flag = mach_read_from_1(ptr); - - if (flag < 0x80UL) { - *val = flag; - return(ptr + 1); - - } else if (flag < 0xC0UL) { - if (end_ptr < ptr + 2) { - return(NULL); - } - - *val = mach_read_from_2(ptr) & 0x7FFFUL; - - return(ptr + 2); - - } else if (flag < 0xE0UL) { - if (end_ptr < ptr + 3) { - return(NULL); - } - - *val = mach_read_from_3(ptr) & 0x3FFFFFUL; - - return(ptr + 3); - } else if (flag < 0xF0UL) { - if (end_ptr < ptr + 4) { - return(NULL); - } - - *val = mach_read_from_4(ptr) & 0x1FFFFFFFUL; - - return(ptr + 4); - } else { - ut_ad(flag == 0xF0UL); - - if (end_ptr < ptr + 5) { - return(NULL); - } - - *val = mach_read_from_4(ptr + 1); - return(ptr + 5); - } -} - -/*********************************************************//** -Reads a dulint in a compressed form if the log record fully contains it. -@return pointer to end of the stored field, NULL if not complete */ -UNIV_INTERN -byte* -mach_dulint_parse_compressed( -/*=========================*/ - byte* ptr, /*!< in: pointer to buffer from where to read */ - byte* end_ptr,/*!< in: pointer to end of the buffer */ - dulint* val) /*!< out: read value */ -{ - ulint high; - ulint low; - ulint size; - - ut_ad(ptr && end_ptr && val); - - if (end_ptr < ptr + 5) { - - return(NULL); - } - - high = mach_read_compressed(ptr); - - size = mach_get_compressed_size(high); - - ptr += size; - - if (end_ptr < ptr + 4) { - - return(NULL); - } - - low = mach_read_from_4(ptr); - - *val = ut_dulint_create(high, low); - - return(ptr + 4); -} diff --git a/perfschema/mem/mem0dbg.c b/perfschema/mem/mem0dbg.c deleted file mode 100644 index 1cd2ff15bab..00000000000 --- a/perfschema/mem/mem0dbg.c +++ /dev/null @@ -1,1041 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file mem/mem0dbg.c -The memory management: the debug code. This is not a compilation module, -but is included in mem0mem.* ! - -Created 6/9/1994 Heikki Tuuri -*************************************************************************/ - -#ifdef UNIV_MEM_DEBUG -# ifndef UNIV_HOTBACKUP -/* The mutex which protects in the debug version the hash table -containing the list of live memory heaps, and also the global -variables below. */ -UNIV_INTERN mutex_t mem_hash_mutex; -# endif /* !UNIV_HOTBACKUP */ - -/* The following variables contain information about the -extent of memory allocations. Only used in the debug version. -Protected by mem_hash_mutex above. */ - -static ulint mem_n_created_heaps = 0; -static ulint mem_n_allocations = 0; -static ulint mem_total_allocated_memory = 0; -UNIV_INTERN ulint mem_current_allocated_memory = 0; -static ulint mem_max_allocated_memory = 0; -# ifndef UNIV_HOTBACKUP -static ulint mem_last_print_info = 0; -static ibool mem_hash_initialized = FALSE; -# endif /* !UNIV_HOTBACKUP */ - -/* Size of the hash table for memory management tracking */ -#define MEM_HASH_SIZE 997 - -/* The node of the list containing currently allocated memory heaps */ - -typedef struct mem_hash_node_struct mem_hash_node_t; -struct mem_hash_node_struct { - UT_LIST_NODE_T(mem_hash_node_t) - list; /*!< hash list node */ - mem_heap_t* heap; /*!< memory heap */ - const char* file_name;/* file where heap was created*/ - ulint line; /*!< file line of creation */ - ulint nth_heap;/* this is the nth heap created */ - UT_LIST_NODE_T(mem_hash_node_t) - all_list;/* list of all created heaps */ -}; - -typedef UT_LIST_BASE_NODE_T(mem_hash_node_t) mem_hash_cell_t; - -/* The hash table of allocated heaps */ -static mem_hash_cell_t mem_hash_table[MEM_HASH_SIZE]; - -/* The base node of the list of all allocated heaps */ -static mem_hash_cell_t mem_all_list_base; - - - -UNIV_INLINE -mem_hash_cell_t* -mem_hash_get_nth_cell(ulint i); - -/* Accessor function for the hash table. Returns a pointer to the -table cell. */ -UNIV_INLINE -mem_hash_cell_t* -mem_hash_get_nth_cell(ulint i) -{ - ut_a(i < MEM_HASH_SIZE); - - return(&(mem_hash_table[i])); -} - -/* Accessor functions for a memory field in the debug version */ -UNIV_INTERN -void -mem_field_header_set_len(byte* field, ulint len) -{ - mach_write_to_4(field - 2 * sizeof(ulint), len); -} - -UNIV_INTERN -ulint -mem_field_header_get_len(byte* field) -{ - return(mach_read_from_4(field - 2 * sizeof(ulint))); -} - -UNIV_INTERN -void -mem_field_header_set_check(byte* field, ulint check) -{ - mach_write_to_4(field - sizeof(ulint), check); -} - -UNIV_INTERN -ulint -mem_field_header_get_check(byte* field) -{ - return(mach_read_from_4(field - sizeof(ulint))); -} - -UNIV_INTERN -void -mem_field_trailer_set_check(byte* field, ulint check) -{ - mach_write_to_4(field + mem_field_header_get_len(field), check); -} - -UNIV_INTERN -ulint -mem_field_trailer_get_check(byte* field) -{ - return(mach_read_from_4(field - + mem_field_header_get_len(field))); -} -#endif /* UNIV_MEM_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Initializes the memory system. */ -UNIV_INTERN -void -mem_init( -/*=====*/ - ulint size) /*!< in: common pool size in bytes */ -{ -#ifdef UNIV_MEM_DEBUG - - ulint i; - - /* Initialize the hash table */ - ut_a(FALSE == mem_hash_initialized); - - mutex_create(&mem_hash_mutex, SYNC_MEM_HASH); - - for (i = 0; i < MEM_HASH_SIZE; i++) { - UT_LIST_INIT(*mem_hash_get_nth_cell(i)); - } - - UT_LIST_INIT(mem_all_list_base); - - mem_hash_initialized = TRUE; -#endif - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - /* When innodb_use_sys_malloc is set, the - mem_comm_pool won't be used for any allocations. We - create a dummy mem_comm_pool, because some statistics - and debugging code relies on it being initialized. */ - size = 1; - } - - mem_comm_pool = mem_pool_create(size); -} - -/******************************************************************//** -Closes the memory system. */ -UNIV_INTERN -void -mem_close(void) -/*===========*/ -{ - mem_pool_free(mem_comm_pool); - mem_comm_pool = NULL; -#ifdef UNIV_MEM_DEBUG - mutex_free(&mem_hash_mutex); - mem_hash_initialized = FALSE; -#endif /* UNIV_MEM_DEBUG */ -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef UNIV_MEM_DEBUG -/******************************************************************//** -Initializes an allocated memory field in the debug version. */ -UNIV_INTERN -void -mem_field_init( -/*===========*/ - byte* buf, /*!< in: memory field */ - ulint n) /*!< in: how many bytes the user requested */ -{ - ulint rnd; - byte* usr_buf; - - usr_buf = buf + MEM_FIELD_HEADER_SIZE; - - /* In the debug version write the length field and the - check fields to the start and the end of the allocated storage. - The field header consists of a length field and - a random number field, in this order. The field trailer contains - the same random number as a check field. */ - - mem_field_header_set_len(usr_buf, n); - - rnd = ut_rnd_gen_ulint(); - - mem_field_header_set_check(usr_buf, rnd); - mem_field_trailer_set_check(usr_buf, rnd); - - /* Update the memory allocation information */ - - mutex_enter(&mem_hash_mutex); - - mem_total_allocated_memory += n; - mem_current_allocated_memory += n; - mem_n_allocations++; - - if (mem_current_allocated_memory > mem_max_allocated_memory) { - mem_max_allocated_memory = mem_current_allocated_memory; - } - - mutex_exit(&mem_hash_mutex); - - /* In the debug version set the buffer to a random - combination of 0xBA and 0xBE */ - - mem_init_buf(usr_buf, n); -} - -/******************************************************************//** -Erases an allocated memory field in the debug version. */ -UNIV_INTERN -void -mem_field_erase( -/*============*/ - byte* buf, /*!< in: memory field */ - ulint n __attribute__((unused))) - /*!< in: how many bytes the user requested */ -{ - byte* usr_buf; - - usr_buf = buf + MEM_FIELD_HEADER_SIZE; - - mutex_enter(&mem_hash_mutex); - mem_current_allocated_memory -= n; - mutex_exit(&mem_hash_mutex); - - /* Check that the field lengths agree */ - ut_ad(n == (ulint)mem_field_header_get_len(usr_buf)); - - /* In the debug version, set the freed space to a random - combination of 0xDE and 0xAD */ - - mem_erase_buf(buf, MEM_SPACE_NEEDED(n)); -} - -/***************************************************************//** -Initializes a buffer to a random combination of hex BA and BE. -Used to initialize allocated memory. */ -UNIV_INTERN -void -mem_init_buf( -/*=========*/ - byte* buf, /*!< in: pointer to buffer */ - ulint n) /*!< in: length of buffer */ -{ - byte* ptr; - - UNIV_MEM_ASSERT_W(buf, n); - - for (ptr = buf; ptr < buf + n; ptr++) { - - if (ut_rnd_gen_ibool()) { - *ptr = 0xBA; - } else { - *ptr = 0xBE; - } - } - - UNIV_MEM_INVALID(buf, n); -} - -/***************************************************************//** -Initializes a buffer to a random combination of hex DE and AD. -Used to erase freed memory. */ -UNIV_INTERN -void -mem_erase_buf( -/*==========*/ - byte* buf, /*!< in: pointer to buffer */ - ulint n) /*!< in: length of buffer */ -{ - byte* ptr; - - UNIV_MEM_ASSERT_W(buf, n); - - for (ptr = buf; ptr < buf + n; ptr++) { - if (ut_rnd_gen_ibool()) { - *ptr = 0xDE; - } else { - *ptr = 0xAD; - } - } - - UNIV_MEM_FREE(buf, n); -} - -/***************************************************************//** -Inserts a created memory heap to the hash table of current allocated -memory heaps. */ -UNIV_INTERN -void -mem_hash_insert( -/*============*/ - mem_heap_t* heap, /*!< in: the created heap */ - const char* file_name, /*!< in: file name of creation */ - ulint line) /*!< in: line where created */ -{ - mem_hash_node_t* new_node; - ulint cell_no ; - - ut_ad(mem_heap_check(heap)); - - mutex_enter(&mem_hash_mutex); - - cell_no = ut_hash_ulint((ulint)heap, MEM_HASH_SIZE); - - /* Allocate a new node to the list */ - new_node = ut_malloc(sizeof(mem_hash_node_t)); - - new_node->heap = heap; - new_node->file_name = file_name; - new_node->line = line; - new_node->nth_heap = mem_n_created_heaps; - - /* Insert into lists */ - UT_LIST_ADD_FIRST(list, *mem_hash_get_nth_cell(cell_no), new_node); - - UT_LIST_ADD_LAST(all_list, mem_all_list_base, new_node); - - mem_n_created_heaps++; - - mutex_exit(&mem_hash_mutex); -} - -/***************************************************************//** -Removes a memory heap (which is going to be freed by the caller) -from the list of live memory heaps. Returns the size of the heap -in terms of how much memory in bytes was allocated for the user of -the heap (not the total space occupied by the heap). -Also validates the heap. -NOTE: This function does not free the storage occupied by the -heap itself, only the node in the list of heaps. */ -UNIV_INTERN -void -mem_hash_remove( -/*============*/ - mem_heap_t* heap, /*!< in: the heap to be freed */ - const char* file_name, /*!< in: file name of freeing */ - ulint line) /*!< in: line where freed */ -{ - mem_hash_node_t* node; - ulint cell_no; - ibool error; - ulint size; - - ut_ad(mem_heap_check(heap)); - - mutex_enter(&mem_hash_mutex); - - cell_no = ut_hash_ulint((ulint)heap, MEM_HASH_SIZE); - - /* Look for the heap in the hash table list */ - node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(cell_no)); - - while (node != NULL) { - if (node->heap == heap) { - - break; - } - - node = UT_LIST_GET_NEXT(list, node); - } - - if (node == NULL) { - fprintf(stderr, - "Memory heap or buffer freed in %s line %lu" - " did not exist.\n", - file_name, (ulong) line); - ut_error; - } - - /* Remove from lists */ - UT_LIST_REMOVE(list, *mem_hash_get_nth_cell(cell_no), node); - - UT_LIST_REMOVE(all_list, mem_all_list_base, node); - - /* Validate the heap which will be freed */ - mem_heap_validate_or_print(node->heap, NULL, FALSE, &error, &size, - NULL, NULL); - if (error) { - fprintf(stderr, - "Inconsistency in memory heap or" - " buffer n:o %lu created\n" - "in %s line %lu and tried to free in %s line %lu.\n" - "Hex dump of 400 bytes around memory heap" - " first block start:\n", - node->nth_heap, node->file_name, (ulong) node->line, - file_name, (ulong) line); - ut_print_buf(stderr, (byte*)node->heap - 200, 400); - fputs("\nDump of the mem heap:\n", stderr); - mem_heap_validate_or_print(node->heap, NULL, TRUE, &error, - &size, NULL, NULL); - ut_error; - } - - /* Free the memory occupied by the node struct */ - ut_free(node); - - mem_current_allocated_memory -= size; - - mutex_exit(&mem_hash_mutex); -} -#endif /* UNIV_MEM_DEBUG */ - -#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG -/***************************************************************//** -Checks a memory heap for consistency and prints the contents if requested. -Outputs the sum of sizes of buffers given to the user (only in -the debug version), the physical size of the heap and the number of -blocks in the heap. In case of error returns 0 as sizes and number -of blocks. */ -UNIV_INTERN -void -mem_heap_validate_or_print( -/*=======================*/ - mem_heap_t* heap, /*!< in: memory heap */ - byte* top __attribute__((unused)), - /*!< in: calculate and validate only until - this top pointer in the heap is reached, - if this pointer is NULL, ignored */ - ibool print, /*!< in: if TRUE, prints the contents - of the heap; works only in - the debug version */ - ibool* error, /*!< out: TRUE if error */ - ulint* us_size,/*!< out: allocated memory - (for the user) in the heap, - if a NULL pointer is passed as this - argument, it is ignored; in the - non-debug version this is always -1 */ - ulint* ph_size,/*!< out: physical size of the heap, - if a NULL pointer is passed as this - argument, it is ignored */ - ulint* n_blocks) /*!< out: number of blocks in the heap, - if a NULL pointer is passed as this - argument, it is ignored */ -{ - mem_block_t* block; - ulint total_len = 0; - ulint block_count = 0; - ulint phys_len = 0; -#ifdef UNIV_MEM_DEBUG - ulint len; - byte* field; - byte* user_field; - ulint check_field; -#endif - - /* Pessimistically, we set the parameters to error values */ - if (us_size != NULL) { - *us_size = 0; - } - if (ph_size != NULL) { - *ph_size = 0; - } - if (n_blocks != NULL) { - *n_blocks = 0; - } - *error = TRUE; - - block = heap; - - if (block->magic_n != MEM_BLOCK_MAGIC_N) { - return; - } - - if (print) { - fputs("Memory heap:", stderr); - } - - while (block != NULL) { - phys_len += mem_block_get_len(block); - - if ((block->type == MEM_HEAP_BUFFER) - && (mem_block_get_len(block) > UNIV_PAGE_SIZE)) { - - fprintf(stderr, - "InnoDB: Error: mem block %p" - " length %lu > UNIV_PAGE_SIZE\n", - (void*) block, - (ulong) mem_block_get_len(block)); - /* error */ - - return; - } - -#ifdef UNIV_MEM_DEBUG - /* We can trace the fields of the block only in the debug - version */ - if (print) { - fprintf(stderr, " Block %ld:", block_count); - } - - field = (byte*)block + mem_block_get_start(block); - - if (top && (field == top)) { - - goto completed; - } - - while (field < (byte*)block + mem_block_get_free(block)) { - - /* Calculate the pointer to the storage - which was given to the user */ - - user_field = field + MEM_FIELD_HEADER_SIZE; - - len = mem_field_header_get_len(user_field); - - if (print) { - ut_print_buf(stderr, user_field, len); - putc('\n', stderr); - } - - total_len += len; - check_field = mem_field_header_get_check(user_field); - - if (check_field - != mem_field_trailer_get_check(user_field)) { - /* error */ - - fprintf(stderr, - "InnoDB: Error: block %lx mem" - " field %lx len %lu\n" - "InnoDB: header check field is" - " %lx but trailer %lx\n", - (ulint)block, - (ulint)field, len, check_field, - mem_field_trailer_get_check( - user_field)); - - return; - } - - /* Move to next field */ - field = field + MEM_SPACE_NEEDED(len); - - if (top && (field == top)) { - - goto completed; - } - - } - - /* At the end check that we have arrived to the first free - position */ - - if (field != (byte*)block + mem_block_get_free(block)) { - /* error */ - - fprintf(stderr, - "InnoDB: Error: block %lx end of" - " mem fields %lx\n" - "InnoDB: but block free at %lx\n", - (ulint)block, (ulint)field, - (ulint)((byte*)block - + mem_block_get_free(block))); - - return; - } - -#endif - - block = UT_LIST_GET_NEXT(list, block); - block_count++; - } -#ifdef UNIV_MEM_DEBUG -completed: -#endif - if (us_size != NULL) { - *us_size = total_len; - } - if (ph_size != NULL) { - *ph_size = phys_len; - } - if (n_blocks != NULL) { - *n_blocks = block_count; - } - *error = FALSE; -} - -/**************************************************************//** -Prints the contents of a memory heap. */ -static -void -mem_heap_print( -/*===========*/ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ibool error; - ulint us_size; - ulint phys_size; - ulint n_blocks; - - ut_ad(mem_heap_check(heap)); - - mem_heap_validate_or_print(heap, NULL, TRUE, &error, - &us_size, &phys_size, &n_blocks); - fprintf(stderr, - "\nheap type: %lu; size: user size %lu;" - " physical size %lu; blocks %lu.\n", - (ulong) heap->type, (ulong) us_size, - (ulong) phys_size, (ulong) n_blocks); - ut_a(!error); -} - -/**************************************************************//** -Validates the contents of a memory heap. -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_heap_validate( -/*==============*/ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ibool error; - ulint us_size; - ulint phys_size; - ulint n_blocks; - - ut_ad(mem_heap_check(heap)); - - mem_heap_validate_or_print(heap, NULL, FALSE, &error, &us_size, - &phys_size, &n_blocks); - if (error) { - mem_heap_print(heap); - } - - ut_a(!error); - - return(TRUE); -} -#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */ - -#ifdef UNIV_DEBUG -/**************************************************************//** -Checks that an object is a memory heap (or a block of it). -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_heap_check( -/*===========*/ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -#ifdef UNIV_MEM_DEBUG -/*****************************************************************//** -TRUE if no memory is currently allocated. -@return TRUE if no heaps exist */ -UNIV_INTERN -ibool -mem_all_freed(void) -/*===============*/ -{ - mem_hash_node_t* node; - ulint heap_count = 0; - ulint i; - - mem_validate(); - - mutex_enter(&mem_hash_mutex); - - for (i = 0; i < MEM_HASH_SIZE; i++) { - - node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i)); - while (node != NULL) { - heap_count++; - node = UT_LIST_GET_NEXT(list, node); - } - } - - mutex_exit(&mem_hash_mutex); - - if (heap_count == 0) { -# ifndef UNIV_HOTBACKUP - ut_a(mem_pool_get_reserved(mem_comm_pool) == 0); -# endif /* !UNIV_HOTBACKUP */ - - return(TRUE); - } else { - return(FALSE); - } -} - -/*****************************************************************//** -Validates the dynamic memory allocation system. -@return TRUE if error */ -UNIV_INTERN -ibool -mem_validate_no_assert(void) -/*========================*/ -{ - mem_hash_node_t* node; - ulint n_heaps = 0; - ulint allocated_mem; - ulint ph_size; - ulint total_allocated_mem = 0; - ibool error = FALSE; - ulint n_blocks; - ulint i; - -# ifndef UNIV_HOTBACKUP - mem_pool_validate(mem_comm_pool); -# endif /* !UNIV_HOTBACKUP */ - - mutex_enter(&mem_hash_mutex); - - for (i = 0; i < MEM_HASH_SIZE; i++) { - - node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i)); - - while (node != NULL) { - n_heaps++; - - mem_heap_validate_or_print(node->heap, NULL, - FALSE, &error, - &allocated_mem, - &ph_size, &n_blocks); - - if (error) { - fprintf(stderr, - "\nERROR!!!!!!!!!!!!!!!!!!!" - "!!!!!!!!!!!!!!!!!!!!!!!\n\n" - "Inconsistency in memory heap" - " or buffer created\n" - "in %s line %lu.\n", - node->file_name, node->line); - - mutex_exit(&mem_hash_mutex); - - return(TRUE); - } - - total_allocated_mem += allocated_mem; - node = UT_LIST_GET_NEXT(list, node); - } - } - - if ((n_heaps == 0) && (mem_current_allocated_memory != 0)) { - error = TRUE; - } - - if (mem_total_allocated_memory < mem_current_allocated_memory) { - error = TRUE; - } - - if (mem_max_allocated_memory > mem_total_allocated_memory) { - error = TRUE; - } - - if (mem_n_created_heaps < n_heaps) { - error = TRUE; - } - - mutex_exit(&mem_hash_mutex); - - return(error); -} - -/************************************************************//** -Validates the dynamic memory -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_validate(void) -/*==============*/ -{ - ut_a(!mem_validate_no_assert()); - - return(TRUE); -} -#endif /* UNIV_MEM_DEBUG */ - -/************************************************************//** -Tries to find neigboring memory allocation blocks and dumps to stderr -the neighborhood of a given pointer. */ -UNIV_INTERN -void -mem_analyze_corruption( -/*===================*/ - void* ptr) /*!< in: pointer to place of possible corruption */ -{ - byte* p; - ulint i; - ulint dist; - - fputs("InnoDB: Apparent memory corruption: mem dump ", stderr); - ut_print_buf(stderr, (byte*)ptr - 250, 500); - - fputs("\nInnoDB: Scanning backward trying to find" - " previous allocated mem blocks\n", stderr); - - p = (byte*)ptr; - dist = 0; - - for (i = 0; i < 10; i++) { - for (;;) { - if (((ulint)p) % 4 == 0) { - - if (*((ulint*)p) == MEM_BLOCK_MAGIC_N) { - fprintf(stderr, - "Mem block at - %lu," - " file %s, line %lu\n", - (ulong) dist, - (p + sizeof(ulint)), - (ulong) - (*(ulint*)(p + 8 - + sizeof(ulint)))); - - break; - } - - if (*((ulint*)p) == MEM_FREED_BLOCK_MAGIC_N) { - fprintf(stderr, - "Freed mem block at - %lu," - " file %s, line %lu\n", - (ulong) dist, - (p + sizeof(ulint)), - (ulong) - (*(ulint*)(p + 8 - + sizeof(ulint)))); - - break; - } - } - - p--; - dist++; - } - - p--; - dist++; - } - - fprintf(stderr, - "InnoDB: Scanning forward trying to find next" - " allocated mem blocks\n"); - - p = (byte*)ptr; - dist = 0; - - for (i = 0; i < 10; i++) { - for (;;) { - if (((ulint)p) % 4 == 0) { - - if (*((ulint*)p) == MEM_BLOCK_MAGIC_N) { - fprintf(stderr, - "Mem block at + %lu, file %s," - " line %lu\n", - (ulong) dist, - (p + sizeof(ulint)), - (ulong) - (*(ulint*)(p + 8 - + sizeof(ulint)))); - - break; - } - - if (*((ulint*)p) == MEM_FREED_BLOCK_MAGIC_N) { - fprintf(stderr, - "Freed mem block at + %lu," - " file %s, line %lu\n", - (ulong) dist, - (p + sizeof(ulint)), - (ulong) - (*(ulint*)(p + 8 - + sizeof(ulint)))); - - break; - } - } - - p++; - dist++; - } - - p++; - dist++; - } -} - -#ifndef UNIV_HOTBACKUP -/*****************************************************************//** -Prints information of dynamic memory usage and currently allocated -memory heaps or buffers. Can only be used in the debug version. */ -static -void -mem_print_info_low( -/*===============*/ - ibool print_all) /*!< in: if TRUE, all heaps are printed, - else only the heaps allocated after the - previous call of this function */ -{ -#ifdef UNIV_MEM_DEBUG - mem_hash_node_t* node; - ulint n_heaps = 0; - ulint allocated_mem; - ulint ph_size; - ulint total_allocated_mem = 0; - ibool error; - ulint n_blocks; -#endif - FILE* outfile; - - /* outfile = fopen("ibdebug", "a"); */ - - outfile = stdout; - - fprintf(outfile, "\n"); - fprintf(outfile, - "________________________________________________________\n"); - fprintf(outfile, "MEMORY ALLOCATION INFORMATION\n\n"); - -#ifndef UNIV_MEM_DEBUG - - UT_NOT_USED(print_all); - - mem_pool_print_info(outfile, mem_comm_pool); - - fprintf(outfile, - "Sorry, non-debug version cannot give more memory info\n"); - - /* fclose(outfile); */ - - return; -#else - mutex_enter(&mem_hash_mutex); - - fprintf(outfile, "LIST OF CREATED HEAPS AND ALLOCATED BUFFERS: \n\n"); - - if (!print_all) { - fprintf(outfile, "AFTER THE LAST PRINT INFO\n"); - } - - node = UT_LIST_GET_FIRST(mem_all_list_base); - - while (node != NULL) { - n_heaps++; - - if (!print_all && node->nth_heap < mem_last_print_info) { - - goto next_heap; - } - - mem_heap_validate_or_print(node->heap, NULL, - FALSE, &error, &allocated_mem, - &ph_size, &n_blocks); - total_allocated_mem += allocated_mem; - - fprintf(outfile, - "%lu: file %s line %lu of size %lu phys.size %lu" - " with %lu blocks, type %lu\n", - node->nth_heap, node->file_name, node->line, - allocated_mem, ph_size, n_blocks, - (node->heap)->type); -next_heap: - node = UT_LIST_GET_NEXT(all_list, node); - } - - fprintf(outfile, "\n"); - - fprintf(outfile, "Current allocated memory : %lu\n", - mem_current_allocated_memory); - fprintf(outfile, "Current allocated heaps and buffers : %lu\n", - n_heaps); - fprintf(outfile, "Cumulative allocated memory : %lu\n", - mem_total_allocated_memory); - fprintf(outfile, "Maximum allocated memory : %lu\n", - mem_max_allocated_memory); - fprintf(outfile, "Cumulative created heaps and buffers : %lu\n", - mem_n_created_heaps); - fprintf(outfile, "Cumulative number of allocations : %lu\n", - mem_n_allocations); - - mem_last_print_info = mem_n_created_heaps; - - mutex_exit(&mem_hash_mutex); - - mem_pool_print_info(outfile, mem_comm_pool); - - /* mem_validate(); */ - - /* fclose(outfile); */ -#endif -} - -/*****************************************************************//** -Prints information of dynamic memory usage and currently allocated memory -heaps or buffers. Can only be used in the debug version. */ -UNIV_INTERN -void -mem_print_info(void) -/*================*/ -{ - mem_print_info_low(TRUE); -} - -/*****************************************************************//** -Prints information of dynamic memory usage and currently allocated memory -heaps or buffers since the last ..._print_info or..._print_new_info. */ -UNIV_INTERN -void -mem_print_new_info(void) -/*====================*/ -{ - mem_print_info_low(FALSE); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/mem/mem0mem.c b/perfschema/mem/mem0mem.c deleted file mode 100644 index c0ce8a3e1ac..00000000000 --- a/perfschema/mem/mem0mem.c +++ /dev/null @@ -1,573 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file mem/mem0mem.c -The memory management - -Created 6/9/1994 Heikki Tuuri -*************************************************************************/ - -#include "mem0mem.h" -#ifdef UNIV_NONINL -#include "mem0mem.ic" -#endif - -#include "buf0buf.h" -#include "srv0srv.h" -#include "mem0dbg.c" -#include - -/* - THE MEMORY MANAGEMENT - ===================== - -The basic element of the memory management is called a memory -heap. A memory heap is conceptually a -stack from which memory can be allocated. The stack may grow infinitely. -The top element of the stack may be freed, or -the whole stack can be freed at one time. The advantage of the -memory heap concept is that we can avoid using the malloc and free -functions of C which are quite expensive, for example, on the Solaris + GCC -system (50 MHz Sparc, 1993) the pair takes 3 microseconds, -on Win NT + 100MHz Pentium, 2.5 microseconds. -When we use a memory heap, -we can allocate larger blocks of memory at a time and thus -reduce overhead. Slightly more efficient the method is when we -allocate the memory from the index page buffer pool, as we can -claim a new page fast. This is called buffer allocation. -When we allocate the memory from the dynamic memory of the -C environment, that is called dynamic allocation. - -The default way of operation of the memory heap is the following. -First, when the heap is created, an initial block of memory is -allocated. In dynamic allocation this may be about 50 bytes. -If more space is needed, additional blocks are allocated -and they are put into a linked list. -After the initial block, each allocated block is twice the size of the -previous, until a threshold is attained, after which the sizes -of the blocks stay the same. An exception is, of course, the case -where the caller requests a memory buffer whose size is -bigger than the threshold. In that case a block big enough must -be allocated. - -The heap is physically arranged so that if the current block -becomes full, a new block is allocated and always inserted in the -chain of blocks as the last block. - -In the debug version of the memory management, all the allocated -heaps are kept in a list (which is implemented as a hash table). -Thus we can notice if the caller tries to free an already freed -heap. In addition, each buffer given to the caller contains -start field at the start and a trailer field at the end of the buffer. - -The start field has the following content: -A. sizeof(ulint) bytes of field length (in the standard byte order) -B. sizeof(ulint) bytes of check field (a random number) - -The trailer field contains: -A. sizeof(ulint) bytes of check field (the same random number as at the start) - -Thus we can notice if something has been copied over the -borders of the buffer, which is illegal. -The memory in the buffers is initialized to a random byte sequence. -After freeing, all the blocks in the heap are set to random bytes -to help us discover errors which result from the use of -buffers in an already freed heap. */ - -#ifdef MEM_PERIODIC_CHECK - -ibool mem_block_list_inited; -/* List of all mem blocks allocated; protected by the mem_comm_pool mutex */ -UT_LIST_BASE_NODE_T(mem_block_t) mem_block_list; - -#endif - -/**********************************************************************//** -Duplicates a NUL-terminated string, allocated from a memory heap. -@return own: a copy of the string */ -UNIV_INTERN -char* -mem_heap_strdup( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* str) /*!< in: string to be copied */ -{ - return(mem_heap_dup(heap, str, strlen(str) + 1)); -} - -/**********************************************************************//** -Duplicate a block of data, allocated from a memory heap. -@return own: a copy of the data */ -UNIV_INTERN -void* -mem_heap_dup( -/*=========*/ - mem_heap_t* heap, /*!< in: memory heap where copy is allocated */ - const void* data, /*!< in: data to be copied */ - ulint len) /*!< in: length of data, in bytes */ -{ - return(memcpy(mem_heap_alloc(heap, len), data, len)); -} - -/**********************************************************************//** -Concatenate two strings and return the result, using a memory heap. -@return own: the result */ -UNIV_INTERN -char* -mem_heap_strcat( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap where string is allocated */ - const char* s1, /*!< in: string 1 */ - const char* s2) /*!< in: string 2 */ -{ - char* s; - ulint s1_len = strlen(s1); - ulint s2_len = strlen(s2); - - s = mem_heap_alloc(heap, s1_len + s2_len + 1); - - memcpy(s, s1, s1_len); - memcpy(s + s1_len, s2, s2_len); - - s[s1_len + s2_len] = '\0'; - - return(s); -} - - -/****************************************************************//** -Helper function for mem_heap_printf. -@return length of formatted string, including terminating NUL */ -static -ulint -mem_heap_printf_low( -/*================*/ - char* buf, /*!< in/out: buffer to store formatted string - in, or NULL to just calculate length */ - const char* format, /*!< in: format string */ - va_list ap) /*!< in: arguments */ -{ - ulint len = 0; - - while (*format) { - - /* Does this format specifier have the 'l' length modifier. */ - ibool is_long = FALSE; - - /* Length of one parameter. */ - size_t plen; - - if (*format++ != '%') { - /* Non-format character. */ - - len++; - - if (buf) { - *buf++ = *(format - 1); - } - - continue; - } - - if (*format == 'l') { - is_long = TRUE; - format++; - } - - switch (*format++) { - case 's': - /* string */ - { - char* s = va_arg(ap, char*); - - /* "%ls" is a non-sensical format specifier. */ - ut_a(!is_long); - - plen = strlen(s); - len += plen; - - if (buf) { - memcpy(buf, s, plen); - buf += plen; - } - } - - break; - - case 'u': - /* unsigned int */ - { - char tmp[32]; - unsigned long val; - - /* We only support 'long' values for now. */ - ut_a(is_long); - - val = va_arg(ap, unsigned long); - - plen = sprintf(tmp, "%lu", val); - len += plen; - - if (buf) { - memcpy(buf, tmp, plen); - buf += plen; - } - } - - break; - - case '%': - - /* "%l%" is a non-sensical format specifier. */ - ut_a(!is_long); - - len++; - - if (buf) { - *buf++ = '%'; - } - - break; - - default: - ut_error; - } - } - - /* For the NUL character. */ - len++; - - if (buf) { - *buf = '\0'; - } - - return(len); -} - -/****************************************************************//** -A simple (s)printf replacement that dynamically allocates the space for the -formatted string from the given heap. This supports a very limited set of -the printf syntax: types 's' and 'u' and length modifier 'l' (which is -required for the 'u' type). -@return heap-allocated formatted string */ -UNIV_INTERN -char* -mem_heap_printf( -/*============*/ - mem_heap_t* heap, /*!< in: memory heap */ - const char* format, /*!< in: format string */ - ...) -{ - va_list ap; - char* str; - ulint len; - - /* Calculate length of string */ - len = 0; - va_start(ap, format); - len = mem_heap_printf_low(NULL, format, ap); - va_end(ap); - - /* Now create it for real. */ - str = mem_heap_alloc(heap, len); - va_start(ap, format); - mem_heap_printf_low(str, format, ap); - va_end(ap); - - return(str); -} - -/***************************************************************//** -Creates a memory heap block where data can be allocated. -@return own: memory heap block, NULL if did not succeed (only possible -for MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INTERN -mem_block_t* -mem_heap_create_block( -/*==================*/ - mem_heap_t* heap, /*!< in: memory heap or NULL if first block - should be created */ - ulint n, /*!< in: number of bytes needed for user data */ - ulint type, /*!< in: type of heap: MEM_HEAP_DYNAMIC or - MEM_HEAP_BUFFER */ - const char* file_name,/*!< in: file name where created */ - ulint line) /*!< in: line where created */ -{ -#ifndef UNIV_HOTBACKUP - buf_block_t* buf_block = NULL; -#endif /* !UNIV_HOTBACKUP */ - mem_block_t* block; - ulint len; - - ut_ad((type == MEM_HEAP_DYNAMIC) || (type == MEM_HEAP_BUFFER) - || (type == MEM_HEAP_BUFFER + MEM_HEAP_BTR_SEARCH)); - - if (heap && heap->magic_n != MEM_BLOCK_MAGIC_N) { - mem_analyze_corruption(heap); - } - - /* In dynamic allocation, calculate the size: block header + data. */ - len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); - -#ifndef UNIV_HOTBACKUP - if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { - - ut_ad(type == MEM_HEAP_DYNAMIC || n <= MEM_MAX_ALLOC_IN_BUF); - - block = mem_area_alloc(&len, mem_comm_pool); - } else { - len = UNIV_PAGE_SIZE; - - if ((type & MEM_HEAP_BTR_SEARCH) && heap) { - /* We cannot allocate the block from the - buffer pool, but must get the free block from - the heap header free block field */ - - buf_block = heap->free_block; - heap->free_block = NULL; - - if (UNIV_UNLIKELY(!buf_block)) { - - return(NULL); - } - } else { - buf_block = buf_block_alloc(0); - } - - block = (mem_block_t*) buf_block->frame; - } - - ut_ad(block); - block->buf_block = buf_block; - block->free_block = NULL; -#else /* !UNIV_HOTBACKUP */ - len = MEM_BLOCK_HEADER_SIZE + MEM_SPACE_NEEDED(n); - block = ut_malloc(len); - ut_ad(block); -#endif /* !UNIV_HOTBACKUP */ - - block->magic_n = MEM_BLOCK_MAGIC_N; - ut_strlcpy_rev(block->file_name, file_name, sizeof(block->file_name)); - block->line = line; - -#ifdef MEM_PERIODIC_CHECK - mem_pool_mutex_enter(); - - if (!mem_block_list_inited) { - mem_block_list_inited = TRUE; - UT_LIST_INIT(mem_block_list); - } - - UT_LIST_ADD_LAST(mem_block_list, mem_block_list, block); - - mem_pool_mutex_exit(); -#endif - mem_block_set_len(block, len); - mem_block_set_type(block, type); - mem_block_set_free(block, MEM_BLOCK_HEADER_SIZE); - mem_block_set_start(block, MEM_BLOCK_HEADER_SIZE); - - if (UNIV_UNLIKELY(heap == NULL)) { - /* This is the first block of the heap. The field - total_size should be initialized here */ - block->total_size = len; - } else { - /* Not the first allocation for the heap. This block's - total_length field should be set to undefined. */ - ut_d(block->total_size = ULINT_UNDEFINED); - UNIV_MEM_INVALID(&block->total_size, - sizeof block->total_size); - - heap->total_size += len; - } - - ut_ad((ulint)MEM_BLOCK_HEADER_SIZE < len); - - return(block); -} - -/***************************************************************//** -Adds a new block to a memory heap. -@return created block, NULL if did not succeed (only possible for -MEM_HEAP_BTR_SEARCH type heaps) */ -UNIV_INTERN -mem_block_t* -mem_heap_add_block( -/*===============*/ - mem_heap_t* heap, /*!< in: memory heap */ - ulint n) /*!< in: number of bytes user needs */ -{ - mem_block_t* block; - mem_block_t* new_block; - ulint new_size; - - ut_ad(mem_heap_check(heap)); - - block = UT_LIST_GET_LAST(heap->base); - - /* We have to allocate a new block. The size is always at least - doubled until the standard size is reached. After that the size - stays the same, except in cases where the caller needs more space. */ - - new_size = 2 * mem_block_get_len(block); - - if (heap->type != MEM_HEAP_DYNAMIC) { - /* From the buffer pool we allocate buffer frames */ - ut_a(n <= MEM_MAX_ALLOC_IN_BUF); - - if (new_size > MEM_MAX_ALLOC_IN_BUF) { - new_size = MEM_MAX_ALLOC_IN_BUF; - } - } else if (new_size > MEM_BLOCK_STANDARD_SIZE) { - - new_size = MEM_BLOCK_STANDARD_SIZE; - } - - if (new_size < n) { - new_size = n; - } - - new_block = mem_heap_create_block(heap, new_size, heap->type, - heap->file_name, heap->line); - if (new_block == NULL) { - - return(NULL); - } - - /* Add the new block as the last block */ - - UT_LIST_INSERT_AFTER(list, heap->base, block, new_block); - - return(new_block); -} - -/******************************************************************//** -Frees a block from a memory heap. */ -UNIV_INTERN -void -mem_heap_block_free( -/*================*/ - mem_heap_t* heap, /*!< in: heap */ - mem_block_t* block) /*!< in: block to free */ -{ - ulint type; - ulint len; -#ifndef UNIV_HOTBACKUP - buf_block_t* buf_block = block->buf_block; -#endif /* !UNIV_HOTBACKUP */ - - if (block->magic_n != MEM_BLOCK_MAGIC_N) { - mem_analyze_corruption(block); - } - - UT_LIST_REMOVE(list, heap->base, block); - -#ifdef MEM_PERIODIC_CHECK - mem_pool_mutex_enter(); - - UT_LIST_REMOVE(mem_block_list, mem_block_list, block); - - mem_pool_mutex_exit(); -#endif - - ut_ad(heap->total_size >= block->len); - heap->total_size -= block->len; - - type = heap->type; - len = block->len; - block->magic_n = MEM_FREED_BLOCK_MAGIC_N; - -#ifndef UNIV_HOTBACKUP - if (!srv_use_sys_malloc) { -#ifdef UNIV_MEM_DEBUG - /* In the debug version we set the memory to a random - combination of hex 0xDE and 0xAD. */ - - mem_erase_buf((byte*)block, len); -#else /* UNIV_MEM_DEBUG */ - UNIV_MEM_ASSERT_AND_FREE(block, len); -#endif /* UNIV_MEM_DEBUG */ - - } - if (type == MEM_HEAP_DYNAMIC || len < UNIV_PAGE_SIZE / 2) { - - ut_ad(!buf_block); - mem_area_free(block, mem_comm_pool); - } else { - ut_ad(type & MEM_HEAP_BUFFER); - - buf_block_free(buf_block); - } -#else /* !UNIV_HOTBACKUP */ -#ifdef UNIV_MEM_DEBUG - /* In the debug version we set the memory to a random - combination of hex 0xDE and 0xAD. */ - - mem_erase_buf((byte*)block, len); -#else /* UNIV_MEM_DEBUG */ - UNIV_MEM_ASSERT_AND_FREE(block, len); -#endif /* UNIV_MEM_DEBUG */ - ut_free(block); -#endif /* !UNIV_HOTBACKUP */ -} - -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Frees the free_block field from a memory heap. */ -UNIV_INTERN -void -mem_heap_free_block_free( -/*=====================*/ - mem_heap_t* heap) /*!< in: heap */ -{ - if (UNIV_LIKELY_NULL(heap->free_block)) { - - buf_block_free(heap->free_block); - - heap->free_block = NULL; - } -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef MEM_PERIODIC_CHECK -/******************************************************************//** -Goes through the list of all allocated mem blocks, checks their magic -numbers, and reports possible corruption. */ -UNIV_INTERN -void -mem_validate_all_blocks(void) -/*=========================*/ -{ - mem_block_t* block; - - mem_pool_mutex_enter(); - - block = UT_LIST_GET_FIRST(mem_block_list); - - while (block) { - if (block->magic_n != MEM_BLOCK_MAGIC_N) { - mem_analyze_corruption(block); - } - - block = UT_LIST_GET_NEXT(mem_block_list, block); - } - - mem_pool_mutex_exit(); -} -#endif diff --git a/perfschema/mem/mem0pool.c b/perfschema/mem/mem0pool.c deleted file mode 100644 index c4f8af607e0..00000000000 --- a/perfschema/mem/mem0pool.c +++ /dev/null @@ -1,717 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file mem/mem0pool.c -The lowest-level memory management - -Created 5/12/1997 Heikki Tuuri -*************************************************************************/ - -#include "mem0pool.h" -#ifdef UNIV_NONINL -#include "mem0pool.ic" -#endif - -#include "srv0srv.h" -#include "sync0sync.h" -#include "ut0mem.h" -#include "ut0lst.h" -#include "ut0byte.h" -#include "mem0mem.h" - -/* We would like to use also the buffer frames to allocate memory. This -would be desirable, because then the memory consumption of the database -would be fixed, and we might even lock the buffer pool to the main memory. -The problem here is that the buffer management routines can themselves call -memory allocation, while the buffer pool mutex is reserved. - -The main components of the memory consumption are: - -1. buffer pool, -2. parsed and optimized SQL statements, -3. data dictionary cache, -4. log buffer, -5. locks for each transaction, -6. hash table for the adaptive index, -7. state and buffers for each SQL query currently being executed, -8. session for each user, and -9. stack for each OS thread. - -Items 1 and 2 are managed by an LRU algorithm. Items 5 and 6 can potentially -consume very much memory. Items 7 and 8 should consume quite little memory, -and the OS should take care of item 9, which too should consume little memory. - -A solution to the memory management: - -1. the buffer pool size is set separately; -2. log buffer size is set separately; -3. the common pool size for all the other entries, except 8, is set separately. - -Problems: we may waste memory if the common pool is set too big. Another -problem is the locks, which may take very much space in big transactions. -Then the shared pool size should be set very big. We can allow locks to take -space from the buffer pool, but the SQL optimizer is then unaware of the -usable size of the buffer pool. We could also combine the objects in the -common pool and the buffers in the buffer pool into a single LRU list and -manage it uniformly, but this approach does not take into account the parsing -and other costs unique to SQL statements. - -The locks for a transaction can be seen as a part of the state of the -transaction. Hence, they should be stored in the common pool. We still -have the problem of a very big update transaction, for example, which -will set very many x-locks on rows, and the locks will consume a lot -of memory, say, half of the buffer pool size. - -Another problem is what to do if we are not able to malloc a requested -block of memory from the common pool. Then we can request memory from -the operating system. If it does not help, a system error results. - -Because 5 and 6 may potentially consume very much memory, we let them grow -into the buffer pool. We may let the locks of a transaction take frames -from the buffer pool, when the corresponding memory heap block has grown to -the size of a buffer frame. Similarly for the hash node cells of the locks, -and for the adaptive index. Thus, for each individual transaction, its locks -can occupy at most about the size of the buffer frame of memory in the common -pool, and after that its locks will grow into the buffer pool. */ - -/** Mask used to extract the free bit from area->size */ -#define MEM_AREA_FREE 1 - -/** The smallest memory area total size */ -#define MEM_AREA_MIN_SIZE (2 * MEM_AREA_EXTRA_SIZE) - - -/** Data structure for a memory pool. The space is allocated using the buddy -algorithm, where free list i contains areas of size 2 to power i. */ -struct mem_pool_struct{ - byte* buf; /*!< memory pool */ - ulint size; /*!< memory common pool size */ - ulint reserved; /*!< amount of currently allocated - memory */ - mutex_t mutex; /*!< mutex protecting this struct */ - UT_LIST_BASE_NODE_T(mem_area_t) - free_list[64]; /*!< lists of free memory areas: an - area is put to the list whose number - is the 2-logarithm of the area size */ -}; - -/** The common memory pool */ -UNIV_INTERN mem_pool_t* mem_comm_pool = NULL; - -/* We use this counter to check that the mem pool mutex does not leak; -this is to track a strange assertion failure reported at -mysql@lists.mysql.com */ - -UNIV_INTERN ulint mem_n_threads_inside = 0; - -/********************************************************************//** -Reserves the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_enter(void) -/*======================*/ -{ - mutex_enter(&(mem_comm_pool->mutex)); -} - -/********************************************************************//** -Releases the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_exit(void) -/*=====================*/ -{ - mutex_exit(&(mem_comm_pool->mutex)); -} - -/********************************************************************//** -Returns memory area size. -@return size */ -UNIV_INLINE -ulint -mem_area_get_size( -/*==============*/ - mem_area_t* area) /*!< in: area */ -{ - return(area->size_and_free & ~MEM_AREA_FREE); -} - -/********************************************************************//** -Sets memory area size. */ -UNIV_INLINE -void -mem_area_set_size( -/*==============*/ - mem_area_t* area, /*!< in: area */ - ulint size) /*!< in: size */ -{ - area->size_and_free = (area->size_and_free & MEM_AREA_FREE) - | size; -} - -/********************************************************************//** -Returns memory area free bit. -@return TRUE if free */ -UNIV_INLINE -ibool -mem_area_get_free( -/*==============*/ - mem_area_t* area) /*!< in: area */ -{ -#if TRUE != MEM_AREA_FREE -# error "TRUE != MEM_AREA_FREE" -#endif - return(area->size_and_free & MEM_AREA_FREE); -} - -/********************************************************************//** -Sets memory area free bit. */ -UNIV_INLINE -void -mem_area_set_free( -/*==============*/ - mem_area_t* area, /*!< in: area */ - ibool free) /*!< in: free bit value */ -{ -#if TRUE != MEM_AREA_FREE -# error "TRUE != MEM_AREA_FREE" -#endif - area->size_and_free = (area->size_and_free & ~MEM_AREA_FREE) - | free; -} - -/********************************************************************//** -Creates a memory pool. -@return memory pool */ -UNIV_INTERN -mem_pool_t* -mem_pool_create( -/*============*/ - ulint size) /*!< in: pool size in bytes */ -{ - mem_pool_t* pool; - mem_area_t* area; - ulint i; - ulint used; - - pool = ut_malloc(sizeof(mem_pool_t)); - - /* We do not set the memory to zero (FALSE) in the pool, - but only when allocated at a higher level in mem0mem.c. - This is to avoid masking useful Purify warnings. */ - - pool->buf = ut_malloc_low(size, FALSE, TRUE); - pool->size = size; - - mutex_create(&pool->mutex, SYNC_MEM_POOL); - - /* Initialize the free lists */ - - for (i = 0; i < 64; i++) { - - UT_LIST_INIT(pool->free_list[i]); - } - - used = 0; - - while (size - used >= MEM_AREA_MIN_SIZE) { - - i = ut_2_log(size - used); - - if (ut_2_exp(i) > size - used) { - - /* ut_2_log rounds upward */ - - i--; - } - - area = (mem_area_t*)(pool->buf + used); - - mem_area_set_size(area, ut_2_exp(i)); - mem_area_set_free(area, TRUE); - UNIV_MEM_FREE(MEM_AREA_EXTRA_SIZE + (byte*) area, - ut_2_exp(i) - MEM_AREA_EXTRA_SIZE); - - UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area); - - used = used + ut_2_exp(i); - } - - ut_ad(size >= used); - - pool->reserved = 0; - - return(pool); -} - -/********************************************************************//** -Frees a memory pool. */ -UNIV_INTERN -void -mem_pool_free( -/*==========*/ - mem_pool_t* pool) /*!< in, own: memory pool */ -{ - ut_free(pool->buf); - ut_free(pool); -} - -/********************************************************************//** -Fills the specified free list. -@return TRUE if we were able to insert a block to the free list */ -static -ibool -mem_pool_fill_free_list( -/*====================*/ - ulint i, /*!< in: free list index */ - mem_pool_t* pool) /*!< in: memory pool */ -{ - mem_area_t* area; - mem_area_t* area2; - ibool ret; - - ut_ad(mutex_own(&(pool->mutex))); - - if (UNIV_UNLIKELY(i >= 63)) { - /* We come here when we have run out of space in the - memory pool: */ - - return(FALSE); - } - - area = UT_LIST_GET_FIRST(pool->free_list[i + 1]); - - if (area == NULL) { - if (UT_LIST_GET_LEN(pool->free_list[i + 1]) > 0) { - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: mem pool free list %lu" - " length is %lu\n" - "InnoDB: though the list is empty!\n", - (ulong) i + 1, - (ulong) - UT_LIST_GET_LEN(pool->free_list[i + 1])); - } - - ret = mem_pool_fill_free_list(i + 1, pool); - - if (ret == FALSE) { - - return(FALSE); - } - - area = UT_LIST_GET_FIRST(pool->free_list[i + 1]); - } - - if (UNIV_UNLIKELY(UT_LIST_GET_LEN(pool->free_list[i + 1]) == 0)) { - mem_analyze_corruption(area); - - ut_error; - } - - UT_LIST_REMOVE(free_list, pool->free_list[i + 1], area); - - area2 = (mem_area_t*)(((byte*)area) + ut_2_exp(i)); - UNIV_MEM_ALLOC(area2, MEM_AREA_EXTRA_SIZE); - - mem_area_set_size(area2, ut_2_exp(i)); - mem_area_set_free(area2, TRUE); - - UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area2); - - mem_area_set_size(area, ut_2_exp(i)); - - UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area); - - return(TRUE); -} - -/********************************************************************//** -Allocates memory from a pool. NOTE: This low-level function should only be -used in mem0mem.*! -@return own: allocated memory buffer */ -UNIV_INTERN -void* -mem_area_alloc( -/*===========*/ - ulint* psize, /*!< in: requested size in bytes; for optimum - space usage, the size should be a power of 2 - minus MEM_AREA_EXTRA_SIZE; - out: allocated size in bytes (greater than - or equal to the requested size) */ - mem_pool_t* pool) /*!< in: memory pool */ -{ - mem_area_t* area; - ulint size; - ulint n; - ibool ret; - - /* If we are using os allocator just make a simple call - to malloc */ - if (UNIV_LIKELY(srv_use_sys_malloc)) { - return(malloc(*psize)); - } - - size = *psize; - n = ut_2_log(ut_max(size + MEM_AREA_EXTRA_SIZE, MEM_AREA_MIN_SIZE)); - - mutex_enter(&(pool->mutex)); - mem_n_threads_inside++; - - ut_a(mem_n_threads_inside == 1); - - area = UT_LIST_GET_FIRST(pool->free_list[n]); - - if (area == NULL) { - ret = mem_pool_fill_free_list(n, pool); - - if (ret == FALSE) { - /* Out of memory in memory pool: we try to allocate - from the operating system with the regular malloc: */ - - mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); - - return(ut_malloc(size)); - } - - area = UT_LIST_GET_FIRST(pool->free_list[n]); - } - - if (!mem_area_get_free(area)) { - fprintf(stderr, - "InnoDB: Error: Removing element from mem pool" - " free list %lu though the\n" - "InnoDB: element is not marked free!\n", - (ulong) n); - - mem_analyze_corruption(area); - - /* Try to analyze a strange assertion failure reported at - mysql@lists.mysql.com where the free bit IS 1 in the - hex dump above */ - - if (mem_area_get_free(area)) { - fprintf(stderr, - "InnoDB: Probably a race condition" - " because now the area is marked free!\n"); - } - - ut_error; - } - - if (UT_LIST_GET_LEN(pool->free_list[n]) == 0) { - fprintf(stderr, - "InnoDB: Error: Removing element from mem pool" - " free list %lu\n" - "InnoDB: though the list length is 0!\n", - (ulong) n); - mem_analyze_corruption(area); - - ut_error; - } - - ut_ad(mem_area_get_size(area) == ut_2_exp(n)); - - mem_area_set_free(area, FALSE); - - UT_LIST_REMOVE(free_list, pool->free_list[n], area); - - pool->reserved += mem_area_get_size(area); - - mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); - - ut_ad(mem_pool_validate(pool)); - - *psize = ut_2_exp(n) - MEM_AREA_EXTRA_SIZE; - UNIV_MEM_ALLOC(MEM_AREA_EXTRA_SIZE + (byte*)area, *psize); - - return((void*)(MEM_AREA_EXTRA_SIZE + ((byte*)area))); -} - -/********************************************************************//** -Gets the buddy of an area, if it exists in pool. -@return the buddy, NULL if no buddy in pool */ -UNIV_INLINE -mem_area_t* -mem_area_get_buddy( -/*===============*/ - mem_area_t* area, /*!< in: memory area */ - ulint size, /*!< in: memory area size */ - mem_pool_t* pool) /*!< in: memory pool */ -{ - mem_area_t* buddy; - - ut_ad(size != 0); - - if (((((byte*)area) - pool->buf) % (2 * size)) == 0) { - - /* The buddy is in a higher address */ - - buddy = (mem_area_t*)(((byte*)area) + size); - - if ((((byte*)buddy) - pool->buf) + size > pool->size) { - - /* The buddy is not wholly contained in the pool: - there is no buddy */ - - buddy = NULL; - } - } else { - /* The buddy is in a lower address; NOTE that area cannot - be at the pool lower end, because then we would end up to - the upper branch in this if-clause: the remainder would be - 0 */ - - buddy = (mem_area_t*)(((byte*)area) - size); - } - - return(buddy); -} - -/********************************************************************//** -Frees memory to a pool. */ -UNIV_INTERN -void -mem_area_free( -/*==========*/ - void* ptr, /*!< in, own: pointer to allocated memory - buffer */ - mem_pool_t* pool) /*!< in: memory pool */ -{ - mem_area_t* area; - mem_area_t* buddy; - void* new_ptr; - ulint size; - ulint n; - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - free(ptr); - - return; - } - - /* It may be that the area was really allocated from the OS with - regular malloc: check if ptr points within our memory pool */ - - if ((byte*)ptr < pool->buf || (byte*)ptr >= pool->buf + pool->size) { - ut_free(ptr); - - return; - } - - area = (mem_area_t*) (((byte*)ptr) - MEM_AREA_EXTRA_SIZE); - - if (mem_area_get_free(area)) { - fprintf(stderr, - "InnoDB: Error: Freeing element to mem pool" - " free list though the\n" - "InnoDB: element is marked free!\n"); - - mem_analyze_corruption(area); - ut_error; - } - - size = mem_area_get_size(area); - UNIV_MEM_FREE(ptr, size - MEM_AREA_EXTRA_SIZE); - - if (size == 0) { - fprintf(stderr, - "InnoDB: Error: Mem area size is 0. Possibly a" - " memory overrun of the\n" - "InnoDB: previous allocated area!\n"); - - mem_analyze_corruption(area); - ut_error; - } - -#ifdef UNIV_LIGHT_MEM_DEBUG - if (((byte*)area) + size < pool->buf + pool->size) { - - ulint next_size; - - next_size = mem_area_get_size( - (mem_area_t*)(((byte*)area) + size)); - if (UNIV_UNLIKELY(!next_size || !ut_is_2pow(next_size))) { - fprintf(stderr, - "InnoDB: Error: Memory area size %lu," - " next area size %lu not a power of 2!\n" - "InnoDB: Possibly a memory overrun of" - " the buffer being freed here.\n", - (ulong) size, (ulong) next_size); - mem_analyze_corruption(area); - - ut_error; - } - } -#endif - buddy = mem_area_get_buddy(area, size, pool); - - n = ut_2_log(size); - - mutex_enter(&(pool->mutex)); - mem_n_threads_inside++; - - ut_a(mem_n_threads_inside == 1); - - if (buddy && mem_area_get_free(buddy) - && (size == mem_area_get_size(buddy))) { - - /* The buddy is in a free list */ - - if ((byte*)buddy < (byte*)area) { - new_ptr = ((byte*)buddy) + MEM_AREA_EXTRA_SIZE; - - mem_area_set_size(buddy, 2 * size); - mem_area_set_free(buddy, FALSE); - } else { - new_ptr = ptr; - - mem_area_set_size(area, 2 * size); - } - - /* Remove the buddy from its free list and merge it to area */ - - UT_LIST_REMOVE(free_list, pool->free_list[n], buddy); - - pool->reserved += ut_2_exp(n); - - mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); - - mem_area_free(new_ptr, pool); - - return; - } else { - UT_LIST_ADD_FIRST(free_list, pool->free_list[n], area); - - mem_area_set_free(area, TRUE); - - ut_ad(pool->reserved >= size); - - pool->reserved -= size; - } - - mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); - - ut_ad(mem_pool_validate(pool)); -} - -/********************************************************************//** -Validates a memory pool. -@return TRUE if ok */ -UNIV_INTERN -ibool -mem_pool_validate( -/*==============*/ - mem_pool_t* pool) /*!< in: memory pool */ -{ - mem_area_t* area; - mem_area_t* buddy; - ulint free; - ulint i; - - mutex_enter(&(pool->mutex)); - - free = 0; - - for (i = 0; i < 64; i++) { - - UT_LIST_VALIDATE(free_list, mem_area_t, pool->free_list[i], - (void) 0); - - area = UT_LIST_GET_FIRST(pool->free_list[i]); - - while (area != NULL) { - ut_a(mem_area_get_free(area)); - ut_a(mem_area_get_size(area) == ut_2_exp(i)); - - buddy = mem_area_get_buddy(area, ut_2_exp(i), pool); - - ut_a(!buddy || !mem_area_get_free(buddy) - || (ut_2_exp(i) != mem_area_get_size(buddy))); - - area = UT_LIST_GET_NEXT(free_list, area); - - free += ut_2_exp(i); - } - } - - ut_a(free + pool->reserved == pool->size); - - mutex_exit(&(pool->mutex)); - - return(TRUE); -} - -/********************************************************************//** -Prints info of a memory pool. */ -UNIV_INTERN -void -mem_pool_print_info( -/*================*/ - FILE* outfile,/*!< in: output file to write to */ - mem_pool_t* pool) /*!< in: memory pool */ -{ - ulint i; - - mem_pool_validate(pool); - - fprintf(outfile, "INFO OF A MEMORY POOL\n"); - - mutex_enter(&(pool->mutex)); - - for (i = 0; i < 64; i++) { - if (UT_LIST_GET_LEN(pool->free_list[i]) > 0) { - - fprintf(outfile, - "Free list length %lu for" - " blocks of size %lu\n", - (ulong) UT_LIST_GET_LEN(pool->free_list[i]), - (ulong) ut_2_exp(i)); - } - } - - fprintf(outfile, "Pool size %lu, reserved %lu.\n", (ulong) pool->size, - (ulong) pool->reserved); - mutex_exit(&(pool->mutex)); -} - -/********************************************************************//** -Returns the amount of reserved memory. -@return reserved memory in bytes */ -UNIV_INTERN -ulint -mem_pool_get_reserved( -/*==================*/ - mem_pool_t* pool) /*!< in: memory pool */ -{ - ulint reserved; - - mutex_enter(&(pool->mutex)); - - reserved = pool->reserved; - - mutex_exit(&(pool->mutex)); - - return(reserved); -} diff --git a/perfschema/mtr/mtr0log.c b/perfschema/mtr/mtr0log.c deleted file mode 100644 index 3f3dab36b76..00000000000 --- a/perfschema/mtr/mtr0log.c +++ /dev/null @@ -1,612 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file mtr/mtr0log.c -Mini-transaction log routines - -Created 12/7/1995 Heikki Tuuri -*******************************************************/ - -#include "mtr0log.h" - -#ifdef UNIV_NONINL -#include "mtr0log.ic" -#endif - -#include "buf0buf.h" -#include "dict0dict.h" -#include "log0recv.h" -#include "page0page.h" - -#ifndef UNIV_HOTBACKUP -# include "dict0boot.h" - -/********************************************************//** -Catenates n bytes to the mtr log. */ -UNIV_INTERN -void -mlog_catenate_string( -/*=================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* str, /*!< in: string to write */ - ulint len) /*!< in: string length */ -{ - dyn_array_t* mlog; - - if (mtr_get_log_mode(mtr) == MTR_LOG_NONE) { - - return; - } - - mlog = &(mtr->log); - - dyn_push_string(mlog, str, len); -} - -/********************************************************//** -Writes the initial part of a log record consisting of one-byte item -type and four-byte space and page numbers. Also pushes info -to the mtr memo that a buffer page has been modified. */ -UNIV_INTERN -void -mlog_write_initial_log_record( -/*==========================*/ - const byte* ptr, /*!< in: pointer to (inside) a buffer - frame holding the file page where - modification is made */ - byte type, /*!< in: log item type: MLOG_1BYTE, ... */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - - ut_ad(type <= MLOG_BIGGEST_TYPE); - ut_ad(type > MLOG_8BYTES); - - log_ptr = mlog_open(mtr, 11); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr = mlog_write_initial_log_record_fast(ptr, type, log_ptr, mtr); - - mlog_close(mtr, log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Parses an initial log record written by mlog_write_initial_log_record. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_initial_log_record( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* type, /*!< out: log record type: MLOG_1BYTE, ... */ - ulint* space, /*!< out: space id */ - ulint* page_no)/*!< out: page number */ -{ - if (end_ptr < ptr + 1) { - - return(NULL); - } - - *type = (byte)((ulint)*ptr & ~MLOG_SINGLE_REC_FLAG); - ut_ad(*type <= MLOG_BIGGEST_TYPE); - - ptr++; - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - ptr = mach_parse_compressed(ptr, end_ptr, space); - - if (ptr == NULL) { - - return(NULL); - } - - ptr = mach_parse_compressed(ptr, end_ptr, page_no); - - return(ptr); -} - -/********************************************************//** -Parses a log record written by mlog_write_ulint or mlog_write_dulint. -@return parsed record end, NULL if not a complete record or a corrupt record */ -UNIV_INTERN -byte* -mlog_parse_nbytes( -/*==============*/ - ulint type, /*!< in: log record type: MLOG_1BYTE, ... */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* page, /*!< in: page where to apply the log record, or NULL */ - void* page_zip)/*!< in/out: compressed page, or NULL */ -{ - ulint offset; - ulint val; - dulint dval; - - ut_a(type <= MLOG_8BYTES); - ut_a(!page || !page_zip || fil_page_get_type(page) != FIL_PAGE_INDEX); - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - ptr += 2; - - if (offset >= UNIV_PAGE_SIZE) { - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (type == MLOG_8BYTES) { - ptr = mach_dulint_parse_compressed(ptr, end_ptr, &dval); - - if (ptr == NULL) { - - return(NULL); - } - - if (page) { - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_8 - (((page_zip_des_t*) page_zip)->data - + offset, dval); - } - mach_write_to_8(page + offset, dval); - } - - return(ptr); - } - - ptr = mach_parse_compressed(ptr, end_ptr, &val); - - if (ptr == NULL) { - - return(NULL); - } - - switch (type) { - case MLOG_1BYTE: - if (UNIV_UNLIKELY(val > 0xFFUL)) { - goto corrupt; - } - if (page) { - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_1 - (((page_zip_des_t*) page_zip)->data - + offset, val); - } - mach_write_to_1(page + offset, val); - } - break; - case MLOG_2BYTES: - if (UNIV_UNLIKELY(val > 0xFFFFUL)) { - goto corrupt; - } - if (page) { - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_2 - (((page_zip_des_t*) page_zip)->data - + offset, val); - } - mach_write_to_2(page + offset, val); - } - break; - case MLOG_4BYTES: - if (page) { - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_4 - (((page_zip_des_t*) page_zip)->data - + offset, val); - } - mach_write_to_4(page + offset, val); - } - break; - default: - corrupt: - recv_sys->found_corrupt_log = TRUE; - ptr = NULL; - } - - return(ptr); -} - -/********************************************************//** -Writes 1 - 4 bytes to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_ulint( -/*=============*/ - byte* ptr, /*!< in: pointer where to write */ - ulint val, /*!< in: value to write */ - byte type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - - switch (type) { - case MLOG_1BYTE: - mach_write_to_1(ptr, val); - break; - case MLOG_2BYTES: - mach_write_to_2(ptr, val); - break; - case MLOG_4BYTES: - mach_write_to_4(ptr, val); - break; - default: - ut_error; - } - - log_ptr = mlog_open(mtr, 11 + 2 + 5); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr = mlog_write_initial_log_record_fast(ptr, type, log_ptr, mtr); - - mach_write_to_2(log_ptr, page_offset(ptr)); - log_ptr += 2; - - log_ptr += mach_write_compressed(log_ptr, val); - - mlog_close(mtr, log_ptr); -} - -/********************************************************//** -Writes 8 bytes to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_dulint( -/*==============*/ - byte* ptr, /*!< in: pointer where to write */ - dulint val, /*!< in: value to write */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - - ut_ad(ptr && mtr); - - mach_write_to_8(ptr, val); - - log_ptr = mlog_open(mtr, 11 + 2 + 9); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr = mlog_write_initial_log_record_fast(ptr, MLOG_8BYTES, - log_ptr, mtr); - - mach_write_to_2(log_ptr, page_offset(ptr)); - log_ptr += 2; - - log_ptr += mach_dulint_write_compressed(log_ptr, val); - - mlog_close(mtr, log_ptr); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Writes a string to a file page buffered in the buffer pool. Writes the -corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_write_string( -/*==============*/ - byte* ptr, /*!< in: pointer where to write */ - const byte* str, /*!< in: string to write */ - ulint len, /*!< in: string length */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ut_ad(ptr && mtr); - ut_a(len < UNIV_PAGE_SIZE); - - memcpy(ptr, str, len); - - mlog_log_string(ptr, len, mtr); -} - -/********************************************************//** -Logs a write of a string to a file page buffered in the buffer pool. -Writes the corresponding log record to the mini-transaction log. */ -UNIV_INTERN -void -mlog_log_string( -/*============*/ - byte* ptr, /*!< in: pointer written to */ - ulint len, /*!< in: string length */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - - ut_ad(ptr && mtr); - ut_ad(len <= UNIV_PAGE_SIZE); - - log_ptr = mlog_open(mtr, 30); - - /* If no logging is requested, we may return now */ - if (log_ptr == NULL) { - - return; - } - - log_ptr = mlog_write_initial_log_record_fast(ptr, MLOG_WRITE_STRING, - log_ptr, mtr); - mach_write_to_2(log_ptr, page_offset(ptr)); - log_ptr += 2; - - mach_write_to_2(log_ptr, len); - log_ptr += 2; - - mlog_close(mtr, log_ptr); - - mlog_catenate_string(mtr, ptr, len); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Parses a log record written by mlog_write_string. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_string( -/*==============*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - byte* page, /*!< in: page where to apply the log record, or NULL */ - void* page_zip)/*!< in/out: compressed page, or NULL */ -{ - ulint offset; - ulint len; - - ut_a(!page || !page_zip || fil_page_get_type(page) != FIL_PAGE_INDEX); - - if (end_ptr < ptr + 4) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - ptr += 2; - len = mach_read_from_2(ptr); - ptr += 2; - - if (UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) - || UNIV_UNLIKELY(len + offset) > UNIV_PAGE_SIZE) { - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (end_ptr < ptr + len) { - - return(NULL); - } - - if (page) { - if (UNIV_LIKELY_NULL(page_zip)) { - memcpy(((page_zip_des_t*) page_zip)->data - + offset, ptr, len); - } - memcpy(page + offset, ptr, len); - } - - return(ptr + len); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************//** -Opens a buffer for mlog, writes the initial log record and, -if needed, the field lengths of an index. -@return buffer, NULL if log mode MTR_LOG_NONE */ -UNIV_INTERN -byte* -mlog_open_and_write_index( -/*======================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* rec, /*!< in: index record or page */ - dict_index_t* index, /*!< in: record descriptor */ - byte type, /*!< in: log item type */ - ulint size) /*!< in: requested buffer size in bytes - (if 0, calls mlog_close() and returns NULL) */ -{ - byte* log_ptr; - const byte* log_start; - const byte* log_end; - - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - - if (!page_rec_is_comp(rec)) { - log_start = log_ptr = mlog_open(mtr, 11 + size); - if (!log_ptr) { - return(NULL); /* logging is disabled */ - } - log_ptr = mlog_write_initial_log_record_fast(rec, type, - log_ptr, mtr); - log_end = log_ptr + 11 + size; - } else { - ulint i; - ulint n = dict_index_get_n_fields(index); - /* total size needed */ - ulint total = 11 + size + (n + 2) * 2; - ulint alloc = total; - /* allocate at most DYN_ARRAY_DATA_SIZE at a time */ - if (alloc > DYN_ARRAY_DATA_SIZE) { - alloc = DYN_ARRAY_DATA_SIZE; - } - log_start = log_ptr = mlog_open(mtr, alloc); - if (!log_ptr) { - return(NULL); /* logging is disabled */ - } - log_end = log_ptr + alloc; - log_ptr = mlog_write_initial_log_record_fast(rec, type, - log_ptr, mtr); - mach_write_to_2(log_ptr, n); - log_ptr += 2; - mach_write_to_2(log_ptr, - dict_index_get_n_unique_in_tree(index)); - log_ptr += 2; - for (i = 0; i < n; i++) { - dict_field_t* field; - const dict_col_t* col; - ulint len; - - field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(field); - len = field->fixed_len; - ut_ad(len < 0x7fff); - if (len == 0 - && (col->len > 255 || col->mtype == DATA_BLOB)) { - /* variable-length field - with maximum length > 255 */ - len = 0x7fff; - } - if (col->prtype & DATA_NOT_NULL) { - len |= 0x8000; - } - if (log_ptr + 2 > log_end) { - mlog_close(mtr, log_ptr); - ut_a(total > (ulint) (log_ptr - log_start)); - total -= log_ptr - log_start; - alloc = total; - if (alloc > DYN_ARRAY_DATA_SIZE) { - alloc = DYN_ARRAY_DATA_SIZE; - } - log_start = log_ptr = mlog_open(mtr, alloc); - if (!log_ptr) { - return(NULL); /* logging is disabled */ - } - log_end = log_ptr + alloc; - } - mach_write_to_2(log_ptr, len); - log_ptr += 2; - } - } - if (size == 0) { - mlog_close(mtr, log_ptr); - log_ptr = NULL; - } else if (log_ptr + size > log_end) { - mlog_close(mtr, log_ptr); - log_ptr = mlog_open(mtr, size); - } - return(log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Parses a log record written by mlog_open_and_write_index. -@return parsed record end, NULL if not a complete record */ -UNIV_INTERN -byte* -mlog_parse_index( -/*=============*/ - byte* ptr, /*!< in: buffer */ - const byte* end_ptr,/*!< in: buffer end */ - ibool comp, /*!< in: TRUE=compact record format */ - dict_index_t** index) /*!< out, own: dummy index */ -{ - ulint i, n, n_uniq; - dict_table_t* table; - dict_index_t* ind; - - ut_ad(comp == FALSE || comp == TRUE); - - if (comp) { - if (end_ptr < ptr + 4) { - return(NULL); - } - n = mach_read_from_2(ptr); - ptr += 2; - n_uniq = mach_read_from_2(ptr); - ptr += 2; - ut_ad(n_uniq <= n); - if (end_ptr < ptr + n * 2) { - return(NULL); - } - } else { - n = n_uniq = 1; - } - table = dict_mem_table_create("LOG_DUMMY", DICT_HDR_SPACE, n, - comp ? DICT_TF_COMPACT : 0); - ind = dict_mem_index_create("LOG_DUMMY", "LOG_DUMMY", - DICT_HDR_SPACE, 0, n); - ind->table = table; - ind->n_uniq = (unsigned int) n_uniq; - if (n_uniq != n) { - ut_a(n_uniq + DATA_ROLL_PTR <= n); - ind->type = DICT_CLUSTERED; - } - if (comp) { - for (i = 0; i < n; i++) { - ulint len = mach_read_from_2(ptr); - ptr += 2; - /* The high-order bit of len is the NOT NULL flag; - the rest is 0 or 0x7fff for variable-length fields, - and 1..0x7ffe for fixed-length fields. */ - dict_mem_table_add_col( - table, NULL, NULL, - ((len + 1) & 0x7fff) <= 1 - ? DATA_BINARY : DATA_FIXBINARY, - len & 0x8000 ? DATA_NOT_NULL : 0, - len & 0x7fff); - - dict_index_add_col(ind, table, - dict_table_get_nth_col(table, i), - 0); - } - dict_table_add_system_columns(table, table->heap); - if (n_uniq != n) { - /* Identify DB_TRX_ID and DB_ROLL_PTR in the index. */ - ut_a(DATA_TRX_ID_LEN - == dict_index_get_nth_col(ind, DATA_TRX_ID - 1 - + n_uniq)->len); - ut_a(DATA_ROLL_PTR_LEN - == dict_index_get_nth_col(ind, DATA_ROLL_PTR - 1 - + n_uniq)->len); - ind->fields[DATA_TRX_ID - 1 + n_uniq].col - = &table->cols[n + DATA_TRX_ID]; - ind->fields[DATA_ROLL_PTR - 1 + n_uniq].col - = &table->cols[n + DATA_ROLL_PTR]; - } - } - /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ - ind->cached = TRUE; - *index = ind; - return(ptr); -} diff --git a/perfschema/mtr/mtr0mtr.c b/perfschema/mtr/mtr0mtr.c deleted file mode 100644 index f331924d63c..00000000000 --- a/perfschema/mtr/mtr0mtr.c +++ /dev/null @@ -1,412 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file mtr/mtr0mtr.c -Mini-transaction buffer - -Created 11/26/1995 Heikki Tuuri -*******************************************************/ - -#include "mtr0mtr.h" - -#ifdef UNIV_NONINL -#include "mtr0mtr.ic" -#endif - -#include "buf0buf.h" -#include "buf0flu.h" -#include "page0types.h" -#include "mtr0log.h" -#include "log0log.h" - -#ifndef UNIV_HOTBACKUP -# include "log0recv.h" -/*****************************************************************//** -Releases the item in the slot given. */ -static -void -mtr_memo_slot_release( -/*==================*/ - mtr_t* mtr, /*!< in: mtr */ - mtr_memo_slot_t* slot) /*!< in: memo slot */ -{ - void* object; - ulint type; - - ut_ad(mtr); - ut_ad(slot); - -#ifndef UNIV_DEBUG - UT_NOT_USED(mtr); -#endif /* UNIV_DEBUG */ - - object = slot->object; - type = slot->type; - - if (UNIV_LIKELY(object != NULL)) { - if (type <= MTR_MEMO_BUF_FIX) { - buf_page_release((buf_block_t*)object, type); - } else if (type == MTR_MEMO_S_LOCK) { - rw_lock_s_unlock((rw_lock_t*)object); -#ifdef UNIV_DEBUG - } else if (type != MTR_MEMO_X_LOCK) { - ut_ad(type == MTR_MEMO_MODIFY); - ut_ad(mtr_memo_contains(mtr, object, - MTR_MEMO_PAGE_X_FIX)); -#endif /* UNIV_DEBUG */ - } else { - rw_lock_x_unlock((rw_lock_t*)object); - } - } - - slot->object = NULL; -} - -/**********************************************************//** -Releases the mlocks and other objects stored in an mtr memo. -They are released in the order opposite to which they were pushed -to the memo. */ -static -void -mtr_memo_pop_all( -/*=============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - mtr_memo_slot_t* slot; - dyn_array_t* memo; - ulint offset; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in - commit */ - memo = &(mtr->memo); - - offset = dyn_array_get_data_size(memo); - - while (offset > 0) { - offset -= sizeof(mtr_memo_slot_t); - slot = dyn_array_get_element(memo, offset); - - mtr_memo_slot_release(mtr, slot); - } -} - -/*****************************************************************//** -Releases the item in the slot given. */ -static -void -mtr_memo_slot_note_modification( -/*============================*/ - mtr_t* mtr, /*!< in: mtr */ - mtr_memo_slot_t* slot) /*!< in: memo slot */ -{ - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->modifications); - - if (slot->object != NULL && slot->type == MTR_MEMO_PAGE_X_FIX) { - buf_flush_note_modification((buf_block_t*) slot->object, mtr); - } -} - -/**********************************************************//** -Add the modified pages to the buffer flush list. They are released -in the order opposite to which they were pushed to the memo. NOTE! It is -essential that the x-rw-lock on a modified buffer page is not released -before buf_page_note_modification is called for that page! Otherwise, -some thread might race to modify it, and the flush list sort order on -lsn would be destroyed. */ -static -void -mtr_memo_note_modifications( -/*========================*/ - mtr_t* mtr) /*!< in: mtr */ -{ - dyn_array_t* memo; - ulint offset; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_COMMITTING); /* Currently only used in - commit */ - memo = &mtr->memo; - - offset = dyn_array_get_data_size(memo); - - while (offset > 0) { - mtr_memo_slot_t* slot; - - offset -= sizeof(mtr_memo_slot_t); - slot = dyn_array_get_element(memo, offset); - - mtr_memo_slot_note_modification(mtr, slot); - } -} - -/************************************************************//** -Writes the contents of a mini-transaction log, if any, to the database log. */ -static -void -mtr_log_reserve_and_write( -/*======================*/ - mtr_t* mtr) /*!< in: mtr */ -{ - dyn_array_t* mlog; - dyn_block_t* block; - ulint data_size; - byte* first_data; - - ut_ad(mtr); - - mlog = &(mtr->log); - - first_data = dyn_block_get_data(mlog); - - if (mtr->n_log_recs > 1) { - mlog_catenate_ulint(mtr, MLOG_MULTI_REC_END, MLOG_1BYTE); - } else { - *first_data = (byte)((ulint)*first_data - | MLOG_SINGLE_REC_FLAG); - } - - if (mlog->heap == NULL) { - mtr->end_lsn = log_reserve_and_write_fast( - first_data, dyn_block_get_used(mlog), - &mtr->start_lsn); - if (mtr->end_lsn) { - - /* Success. We have the log mutex. - Add pages to flush list and exit */ - goto func_exit; - } - } - - data_size = dyn_array_get_data_size(mlog); - - /* Open the database log for log_write_low */ - mtr->start_lsn = log_reserve_and_open(data_size); - - if (mtr->log_mode == MTR_LOG_ALL) { - - block = mlog; - - while (block != NULL) { - log_write_low(dyn_block_get_data(block), - dyn_block_get_used(block)); - block = dyn_array_get_next_block(mlog, block); - } - } else { - ut_ad(mtr->log_mode == MTR_LOG_NONE); - /* Do nothing */ - } - - mtr->end_lsn = log_close(); - -func_exit: - if (mtr->modifications) { - mtr_memo_note_modifications(mtr); - } - - log_release(); -} -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -Commits a mini-transaction. */ -UNIV_INTERN -void -mtr_commit( -/*=======*/ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - ut_d(mtr->state = MTR_COMMITTING); - -#ifndef UNIV_HOTBACKUP - /* This is a dirty read, for debugging. */ - ut_ad(!recv_no_log_write); - - if (mtr->modifications && mtr->n_log_recs) { - mtr_log_reserve_and_write(mtr); - } - - mtr_memo_pop_all(mtr); -#endif /* !UNIV_HOTBACKUP */ - - ut_d(mtr->state = MTR_COMMITTED); - dyn_array_free(&(mtr->memo)); - dyn_array_free(&(mtr->log)); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Releases the latches stored in an mtr memo down to a savepoint. -NOTE! The mtr must not have made changes to buffer pages after the -savepoint, as these can be handled only by mtr_commit. */ -UNIV_INTERN -void -mtr_rollback_to_savepoint( -/*======================*/ - mtr_t* mtr, /*!< in: mtr */ - ulint savepoint) /*!< in: savepoint */ -{ - mtr_memo_slot_t* slot; - dyn_array_t* memo; - ulint offset; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - - memo = &(mtr->memo); - - offset = dyn_array_get_data_size(memo); - ut_ad(offset >= savepoint); - - while (offset > savepoint) { - offset -= sizeof(mtr_memo_slot_t); - - slot = dyn_array_get_element(memo, offset); - - ut_ad(slot->type != MTR_MEMO_MODIFY); - - /* We do not call mtr_memo_slot_note_modification() - because there MUST be no changes made to the buffer - pages after the savepoint */ - mtr_memo_slot_release(mtr, slot); - } -} - -/***************************************************//** -Releases an object in the memo stack. */ -UNIV_INTERN -void -mtr_memo_release( -/*=============*/ - mtr_t* mtr, /*!< in: mtr */ - void* object, /*!< in: object */ - ulint type) /*!< in: object type: MTR_MEMO_S_LOCK, ... */ -{ - mtr_memo_slot_t* slot; - dyn_array_t* memo; - ulint offset; - - ut_ad(mtr); - ut_ad(mtr->magic_n == MTR_MAGIC_N); - ut_ad(mtr->state == MTR_ACTIVE); - - memo = &(mtr->memo); - - offset = dyn_array_get_data_size(memo); - - while (offset > 0) { - offset -= sizeof(mtr_memo_slot_t); - - slot = dyn_array_get_element(memo, offset); - - if (object == slot->object && type == slot->type) { - if (mtr->modifications) { - mtr_memo_slot_note_modification(mtr, slot); - } - - mtr_memo_slot_release(mtr, slot); - - break; - } - } -} -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************//** -Reads 1 - 4 bytes from a file page buffered in the buffer pool. -@return value read */ -UNIV_INTERN -ulint -mtr_read_ulint( -/*===========*/ - const byte* ptr, /*!< in: pointer from where to read */ - ulint type, /*!< in: MLOG_1BYTE, MLOG_2BYTES, MLOG_4BYTES */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mini-transaction handle */ -{ - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); - if (type == MLOG_1BYTE) { - return(mach_read_from_1(ptr)); - } else if (type == MLOG_2BYTES) { - return(mach_read_from_2(ptr)); - } else { - ut_ad(type == MLOG_4BYTES); - return(mach_read_from_4(ptr)); - } -} - -/********************************************************//** -Reads 8 bytes from a file page buffered in the buffer pool. -@return value read */ -UNIV_INTERN -dulint -mtr_read_dulint( -/*============*/ - const byte* ptr, /*!< in: pointer from where to read */ - mtr_t* mtr __attribute__((unused))) - /*!< in: mini-transaction handle */ -{ - ut_ad(mtr->state == MTR_ACTIVE); - ut_ad(mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains_page(mtr, ptr, MTR_MEMO_PAGE_X_FIX)); - return(mach_read_from_8(ptr)); -} - -#ifdef UNIV_DEBUG -# ifndef UNIV_HOTBACKUP -/**********************************************************//** -Checks if memo contains the given page. -@return TRUE if contains */ -UNIV_INTERN -ibool -mtr_memo_contains_page( -/*===================*/ - mtr_t* mtr, /*!< in: mtr */ - const byte* ptr, /*!< in: pointer to buffer frame */ - ulint type) /*!< in: type of object */ -{ - return(mtr_memo_contains(mtr, buf_block_align(ptr), type)); -} - -/*********************************************************//** -Prints info of an mtr handle. */ -UNIV_INTERN -void -mtr_print( -/*======*/ - mtr_t* mtr) /*!< in: mtr */ -{ - fprintf(stderr, - "Mini-transaction handle: memo size %lu bytes" - " log size %lu bytes\n", - (ulong) dyn_array_get_data_size(&(mtr->memo)), - (ulong) dyn_array_get_data_size(&(mtr->log))); -} -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_DEBUG */ diff --git a/perfschema/mysql-test/ctype_innodb_like.inc b/perfschema/mysql-test/ctype_innodb_like.inc deleted file mode 100644 index ae43342885a..00000000000 --- a/perfschema/mysql-test/ctype_innodb_like.inc +++ /dev/null @@ -1,21 +0,0 @@ -# -# Bug#11650: LIKE pattern matching using prefix index -# doesn't return correct result -# ---disable_warnings -# -# This query creates a column using -# character_set_connection and -# collation_connection. -# -create table t1 engine=innodb select repeat('a',50) as c1; ---enable_warnings -alter table t1 add index(c1(5)); - -insert into t1 values ('abcdefg'),('abcde100'),('abcde110'),('abcde111'); -select collation(c1) from t1 limit 1; -select c1 from t1 where c1 like 'abcdef%' order by c1; -select c1 from t1 where c1 like 'abcde1%' order by c1; -select c1 from t1 where c1 like 'abcde11%' order by c1; -select c1 from t1 where c1 like 'abcde111%' order by c1; -drop table t1; diff --git a/perfschema/mysql-test/have_innodb.inc b/perfschema/mysql-test/have_innodb.inc deleted file mode 100644 index 8944cc46f3e..00000000000 --- a/perfschema/mysql-test/have_innodb.inc +++ /dev/null @@ -1,4 +0,0 @@ -disable_query_log; ---require r/true.require -select (support = 'YES' or support = 'DEFAULT' or support = 'ENABLED') as `TRUE` from information_schema.engines where engine = 'innodb'; -enable_query_log; diff --git a/perfschema/mysql-test/innodb-analyze.result b/perfschema/mysql-test/innodb-analyze.result deleted file mode 100644 index 2aee004a2d6..00000000000 --- a/perfschema/mysql-test/innodb-analyze.result +++ /dev/null @@ -1,2 +0,0 @@ -Variable_name Value -innodb_stats_sample_pages 1 diff --git a/perfschema/mysql-test/innodb-analyze.test b/perfschema/mysql-test/innodb-analyze.test deleted file mode 100644 index 9bdb9db697c..00000000000 --- a/perfschema/mysql-test/innodb-analyze.test +++ /dev/null @@ -1,65 +0,0 @@ -# -# Test that mysqld does not crash when running ANALYZE TABLE with -# different values of the parameter innodb_stats_sample_pages. -# - --- source include/have_innodb.inc - -# we care only that the following SQL commands do not produce errors -# and do not crash the server --- disable_query_log --- disable_result_log --- enable_warnings - -let $sample_pages=`select @@innodb_stats_sample_pages`; -SET GLOBAL innodb_stats_sample_pages=0; - -# check that the value has been adjusted to 1 --- enable_result_log -SHOW VARIABLES LIKE 'innodb_stats_sample_pages'; --- disable_result_log - -CREATE TABLE innodb_analyze ( - a INT, - b INT, - KEY(a), - KEY(b,a) -) ENGINE=InnoDB; - -# test with empty table - -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=2; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=4; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=8; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=16; -ANALYZE TABLE innodb_analyze; - -INSERT INTO innodb_analyze VALUES -(1,1), (1,1), (1,2), (1,3), (1,4), (1,5), -(8,1), (8,8), (8,2), (7,1), (1,4), (3,5); - -SET GLOBAL innodb_stats_sample_pages=1; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=2; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=4; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=8; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=16; -ANALYZE TABLE innodb_analyze; - -DROP TABLE innodb_analyze; -EVAL SET GLOBAL innodb_stats_sample_pages=$sample_pages; diff --git a/perfschema/mysql-test/innodb-autoinc-44030.result b/perfschema/mysql-test/innodb-autoinc-44030.result deleted file mode 100644 index c0695bf0be0..00000000000 --- a/perfschema/mysql-test/innodb-autoinc-44030.result +++ /dev/null @@ -1,30 +0,0 @@ -drop table if exists t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -d1 -1 -2 -SELECT * FROM t1; -d1 -1 -2 -INSERT INTO t1 VALUES(null); -Got one of the listed errors -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `d1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`d1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -d1 -1 -2 -3 -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc-44030.test b/perfschema/mysql-test/innodb-autoinc-44030.test deleted file mode 100644 index af2e3015280..00000000000 --- a/perfschema/mysql-test/innodb-autoinc-44030.test +++ /dev/null @@ -1,34 +0,0 @@ --- source include/have_innodb.inc -# embedded server ignores 'delayed', so skip this --- source include/not_embedded.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from -# the index (PRIMARY) -# This test requires a restart of the server -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -# Restart the server --- source include/restart_mysqld.inc -# The MySQL and InnoDB data dictionaries should now be out of sync. -# The select should print message to the error log -SELECT * FROM t1; -# MySQL have made a change (http://lists.mysql.com/commits/75268) that no -# longer results in the two data dictionaries being out of sync. If they -# revert their changes then this check for ER_AUTOINC_READ_FAILED will need -# to be enabled. Also, see http://bugs.mysql.com/bug.php?id=47621. --- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 VALUES(null); -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc.result b/perfschema/mysql-test/innodb-autoinc.result deleted file mode 100644 index a36b3a1a865..00000000000 --- a/perfschema/mysql-test/innodb-autoinc.result +++ /dev/null @@ -1,1246 +0,0 @@ -drop table if exists t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -9223372036854775807 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (127, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -127 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (255, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -255 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (32767, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -32767 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (65535, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -65535 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (8388607, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -8388607 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (16777215, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -16777215 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (2147483647, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -2147483647 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4294967295, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -4294967295 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -9223372036854775807 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (18446744073709551615, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -18446744073709551615 NULL -DROP TABLE t1; -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -TRUNCATE TABLE t1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DELETE FROM t1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -7 -8 -9 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1); -INSERT INTO t1 VALUES (NULL,8); -SELECT * FROM t1; -c1 c2 -2 1 -3 8 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1), (NULL, 8); -INSERT INTO t1 VALUES (NULL,9); -SELECT * FROM t1; -c1 c2 -2 1 -3 8 -5 9 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(5),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 -5 -10 -110 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -c1 -5 -10 -110 -250 -310 -400 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(0); -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 --1 -1 -2 -10 -110 -250 -410 -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -Got one of the listed errors -SELECT * FROM t1; -c1 --1 -1 -2 -10 -110 -250 -410 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -c1 --1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 --2 --1 -1 -2 -10 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -c1 --2 --1 -1 -2 -10 -250 -310 -400 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (250); -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -310 -400 -1000 -1010 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -410 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -Got one of the listed errors -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (9223372036854775794); -SELECT * FROM t1; -c1 -1 -9223372036854775794 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 2 -auto_increment_offset 10 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -c1 -1 -9223372036854775794 -9223372036854775796 -9223372036854775798 -9223372036854775800 -9223372036854775802 -9223372036854775804 -9223372036854775806 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 2 -auto_increment_offset 10 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -18446744073709551604 -18446744073709551606 -18446744073709551608 -18446744073709551610 -18446744073709551612 -18446744073709551614 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 5 -auto_increment_offset 7 -INSERT INTO t1 VALUES (NULL),(NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -18446744073709551607 -18446744073709551612 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(-9223372036854775806); -INSERT INTO t1 VALUES(-9223372036854775807); -INSERT INTO t1 VALUES(-9223372036854775808); -SELECT * FROM t1; -c1 --9223372036854775808 --9223372036854775807 --9223372036854775806 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 3 -auto_increment_offset 3 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -SELECT * FROM t1; -c1 --9223372036854775808 --9223372036854775807 --9223372036854775806 -1 -3 -6 -9 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551610); -SELECT * FROM t1; -c1 -1 -18446744073709551610 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; -Warnings: -Warning 1292 Truncated incorrect auto_increment_increment value: '1152921504606846976' -Warning 1292 Truncated incorrect auto_increment_offset value: '1152921504606846976' -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 65535 -auto_increment_offset 65535 -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551610 -18446744073709551615 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -3 3 -4 4 -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -3 3 -4 4 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -DROP TABLE IF EXISTS t2; -Warnings: -Note 1051 Unknown table 't2' -CREATE TABLE t1 ( -a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, -b INT(10) UNSIGNED NOT NULL, -c ENUM('FALSE','TRUE') DEFAULT NULL, -PRIMARY KEY (a)) ENGINE = InnoDB; -CREATE TABLE t2 ( -m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, -n INT(10) UNSIGNED NOT NULL, -o enum('FALSE','TRUE') DEFAULT NULL, -PRIMARY KEY (m)) ENGINE = InnoDB; -INSERT INTO t2 (n,o) VALUES -(1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), -(3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `m` int(11) unsigned NOT NULL AUTO_INCREMENT, - `n` int(10) unsigned NOT NULL, - `o` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`m`) -) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -30 1 FALSE -31 2 FALSE -32 3 FALSE -33 4 FALSE -34 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -30 1 FALSE -31 2 FALSE -32 3 FALSE -33 4 FALSE -34 5 FALSE -37 1 FALSE -38 2 FALSE -39 3 FALSE -40 4 FALSE -41 5 FALSE -44 1 FALSE -45 2 FALSE -46 3 FALSE -47 4 FALSE -48 5 FALSE -51 1 FALSE -52 2 FALSE -53 3 FALSE -54 4 FALSE -55 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE t2; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -DROP TABLE IF EXISTS t2; -Warnings: -Note 1051 Unknown table 't2' -CREATE TABLE t1( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT -PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -CREATE TABLE t2( -c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT -PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 SELECT c1 FROM t1; -Got one of the listed errors -INSERT INTO t2 SELECT NULL FROM t1; -Got one of the listed errors -DROP TABLE t1; -DROP TABLE t2; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` tinyint(4) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --127 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-127, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` tinyint(3) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32767, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` smallint(6) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --32767 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-32757, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` smallint(5) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` mediumint(9) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --8388607 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-8388607, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --2147483647 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(10) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --9223372036854775807 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on t1(c2); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - `c2` int(11) DEFAULT NULL, - PRIMARY KEY (`c1`), - KEY `i1` (`c2`) -) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -INSERT INTO t1 (c2) values (0); -SELECT * FROM t1; -c1 c2 -10 0 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `C1` double NOT NULL AUTO_INCREMENT, - `C2` char(10) DEFAULT NULL, - PRIMARY KEY (`C1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `C1` float NOT NULL AUTO_INCREMENT, - `C2` char(10) DEFAULT NULL, - PRIMARY KEY (`C1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 SET c1 = 1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 -INSERT INTO t1 SET c1 = 2; -INSERT INTO t1 SET c1 = -1; -SELECT * FROM t1; -c1 --1 -1 -2 -INSERT INTO t1 SET c1 = -1; -Got one of the listed errors -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -REPLACE INTO t1 VALUES (-1); -SELECT * FROM t1; -c1 --1 -1 -2 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); -SELECT * FROM t1; -c1 --685113344 -2 -3 -4 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); -INSERT INTO t1 VALUES (4), (5), (6), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -4 -5 -6 -7 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); -SELECT * FROM t1; -c1 --685113344 -1 -2 -5 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-autoinc.test b/perfschema/mysql-test/innodb-autoinc.test deleted file mode 100644 index ef0359b78b0..00000000000 --- a/perfschema/mysql-test/innodb-autoinc.test +++ /dev/null @@ -1,664 +0,0 @@ --- source include/have_innodb.inc -# embedded server ignores 'delayed', so skip this --- source include/not_embedded.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Bug #34335 -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -## Test AUTOINC overflow -## - -# TINYINT -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (127, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (255, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# SMALLINT -# -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (32767, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (65535, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# MEDIUMINT -# -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (8388607, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (16777215, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# INT -# -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (2147483647, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4294967295, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# BIGINT -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (18446744073709551615, null); --- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug 37531 -# After truncate, auto_increment behaves incorrectly for InnoDB -# -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -TRUNCATE TABLE t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -# -# Deleting all records should not reset the AUTOINC counter. -# -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DELETE FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -# -# Bug 38839 -# Reset the last value generated at end of statement -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1); -INSERT INTO t1 VALUES (NULL,8); -SELECT * FROM t1; -DROP TABLE t1; -# Bug 38839 -- same as above but for multi value insert -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1), (NULL, 8); -INSERT INTO t1 VALUES (NULL,9); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Test changes to AUTOINC next value calculation -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(5),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with SIGNED INT column, by inserting a 0 for the first column value -# 0 is treated in the same was NULL. -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(0); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -SET @@INSERT_ID=400; -# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with SIGNED INT column -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with UNSIGNED INT column, single insert -# The sign in the value is ignored and a new column value is generated -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (250); -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with UNSIGNED INT column, multi-value inserts -# The sign in the value is ignored and a new column value is generated -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment is > 1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (9223372036854775794); #-- 2^63 - 14 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should just fit -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment and offser are > 1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't, it seems to be -# a MySQL server bug. It wraps around to 0 for the last value. -# See MySQL Bug# 39828 -# -# Instead of wrapping around, it asserts when MySQL is compiled --with-debug -# (see sql/handler.cc:handler::update_auto_increment()). Don't test for -# overflow until Bug #39828 is fixed. -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -#INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -#else -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment and offset are odd numbers -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't. It fails with -# a duplicate entry message because of a MySQL server bug, it wraps -# around. See MySQL Bug# 39828, once MySQL fix the bug we can replace -# the ER_DUP_ENTRY, 1062 below with the appropriate error message -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -# Still need to fix this error code, error should mention overflow -#-- error ER_DUP_ENTRY,1062 -#INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -#else -INSERT INTO t1 VALUES (NULL),(NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# Check for overflow handling when increment and offset are odd numbers -# and check for large -ve numbers -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(-9223372036854775806); #-- -2^63 + 2 -INSERT INTO t1 VALUES(-9223372036854775807); #-- -2^63 + 1 -INSERT INTO t1 VALUES(-9223372036854775808); #-- -2^63 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -SELECT * FROM t1; -DROP TABLE t1; -# -# Check for overflow handling when increment and offset are very -# large numbers 2^60 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551610); #-- 2^64 - 2 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't. It wraps around -# and the autoinc values look bogus too. -# See MySQL Bug# 39828, once MySQL fix the bug we can enable the error -# code expected test. -# -- error ER_AUTOINC_READ_FAILED,1467 -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -#-- error ER_AUTOINC_READ_FAILED,1467 -#INSERT INTO t1 VALUES (NULL),(NULL); -#else -INSERT INTO t1 VALUES (NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for floating point autoinc column handling -# -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug# 42714: AUTOINC column calculated next value not greater than highest -# value stored in table. -# -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -CREATE TABLE t1 ( - a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, - b INT(10) UNSIGNED NOT NULL, - c ENUM('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (a)) ENGINE = InnoDB; -CREATE TABLE t2 ( - m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, - n INT(10) UNSIGNED NOT NULL, - o enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (m)) ENGINE = InnoDB; -INSERT INTO t2 (n,o) VALUES - (1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), - (3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); -SHOW CREATE TABLE t2; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -DROP TABLE t2; -# -# 43203: Overflow from auto incrementing causes server segv -# - -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -CREATE TABLE t1( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT - PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -CREATE TABLE t2( - c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT - PRIMARY KEY) ENGINE=InnoDB; --- error ER_DUP_ENTRY,1062 -INSERT INTO t2 SELECT c1 FROM t1; --- error ER_DUP_ENTRY,1467 -INSERT INTO t2 SELECT NULL FROM t1; -DROP TABLE t1; -DROP TABLE t2; - -# If the user has specified negative values for an AUTOINC column then -# InnoDB should ignore those values when setting the table's max value. -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SHOW VARIABLES LIKE "%auto_inc%"; -# TINYINT -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# SMALLINT -# -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32767, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32757, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# MEDIUMINT -# -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# INT -# -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# BIGINT -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# End negative number check - -## -# 47125: auto_increment start value is ignored if an index is created -# and engine=innodb -# -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on t1(c2); -SHOW CREATE TABLE t1; -INSERT INTO t1 (c2) values (0); -SELECT * FROM t1; -DROP TABLE t1; - -## -# 49032: Use the correct function to read the AUTOINC column value -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -# Restart the server --- source include/restart_mysqld.inc -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -# Restart the server --- source include/restart_mysqld.inc -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -DROP TABLE t1; - -## -# 47720: REPLACE INTO Autoincrement column with negative values -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 SET c1 = 1; -SHOW CREATE TABLE t1; -INSERT INTO t1 SET c1 = 2; -INSERT INTO t1 SET c1 = -1; -SELECT * FROM t1; --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 SET c1 = -1; -SHOW CREATE TABLE t1; -REPLACE INTO t1 VALUES (-1); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -## -# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); -INSERT INTO t1 VALUES (4), (5), (6), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-consistent-master.opt b/perfschema/mysql-test/innodb-consistent-master.opt deleted file mode 100644 index cb48f1aaf60..00000000000 --- a/perfschema/mysql-test/innodb-consistent-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose-innodb_lock_wait_timeout=2 diff --git a/perfschema/mysql-test/innodb-consistent.result b/perfschema/mysql-test/innodb-consistent.result deleted file mode 100644 index 9115791b99c..00000000000 --- a/perfschema/mysql-test/innodb-consistent.result +++ /dev/null @@ -1,35 +0,0 @@ -drop table if exists t1; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -begin; -replace into t1 select * from t2; -set session transaction isolation level read committed; -set autocommit=0; -delete from t2 where a=5; -commit; -delete from t2; -commit; -commit; -begin; -insert into t1 select * from t2; -set session transaction isolation level read committed; -set autocommit=0; -delete from t2 where a=5; -commit; -delete from t2; -commit; -commit; -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; -drop table t2; diff --git a/perfschema/mysql-test/innodb-consistent.test b/perfschema/mysql-test/innodb-consistent.test deleted file mode 100644 index bf829a74ea2..00000000000 --- a/perfschema/mysql-test/innodb-consistent.test +++ /dev/null @@ -1,58 +0,0 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do -# a consistent read of the source table. - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; - -# REPLACE INTO ... SELECT case -begin; -# this should not result in any locks on t2. -replace into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cause a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -# INSERT INTO ... SELECT case -begin; -# this should not result in any locks on t2. -insert into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cause a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -select * from t1; -drop table t1; -drop table t2; - -connection default; -disconnect a; -disconnect b; diff --git a/perfschema/mysql-test/innodb-index.inc b/perfschema/mysql-test/innodb-index.inc deleted file mode 100644 index 37de3162abe..00000000000 --- a/perfschema/mysql-test/innodb-index.inc +++ /dev/null @@ -1,26 +0,0 @@ ---eval create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=$charset -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; ---error ER_DUP_ENTRY -alter table t1 add unique index (b); -insert into t1 values(8,9,'fff','fff'); -select * from t1; -show create table t1; -alter table t1 add index (b); -insert into t1 values(10,10,'kkk','iii'); -select * from t1; -select * from t1 force index(b) order by b; -explain select * from t1 force index(b) order by b; -show create table t1; -alter table t1 add unique index (c), add index (d); -insert into t1 values(11,11,'aaa','mmm'); -select * from t1; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -select * from t1 force index(d) order by d; -explain select * from t1 force index(b) order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 force index(d) order by d; -show create table t1; -check table t1; -drop table t1; diff --git a/perfschema/mysql-test/innodb-index.result b/perfschema/mysql-test/innodb-index.result deleted file mode 100644 index f384b825a2c..00000000000 --- a/perfschema/mysql-test/innodb-index.result +++ /dev/null @@ -1,1165 +0,0 @@ -create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; -insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); -commit; -alter table t1 add index b (b), add index b (b); -ERROR 42000: Duplicate key name 'b' -alter table t1 add index (b,b); -ERROR 42S21: Duplicate column name 'b' -alter table t1 add index d2 (d); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(d2) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d2 23 NULL 4 -select * from t1 force index (d2) order by d; -a b c d -3 4 ad ad -2 3 ak ak -5 5 oo oo -4 4 tr tr -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '4' for key 'b' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (c), add index (d); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 4 -alter table t1 add primary key (a), drop index c; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add primary key (c); -ERROR 42000: Multiple primary key defined -alter table t1 drop primary key, add primary key (b); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -create unique index c on t1 (c); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 4 -select * from t1 force index(c) order by c; -a b c d -3 4 ad ad -2 3 ak ak -5 5 oo oo -4 4 tr tr -alter table t1 drop index b, add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `d` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -insert into t1 values(6,1,'ggg','ggg'); -select * from t1; -a b c d -2 3 ak ak -3 4 ad ad -4 4 tr tr -5 5 oo oo -6 1 ggg ggg -select * from t1 force index(b) order by b; -a b c d -6 1 ggg ggg -2 3 ak ak -3 4 ad ad -4 4 tr tr -5 5 oo oo -select * from t1 force index(c) order by c; -a b c d -3 4 ad ad -2 3 ak ak -6 1 ggg ggg -5 5 oo oo -4 4 tr tr -select * from t1 force index(d) order by d; -a b c d -3 4 ad ad -2 3 ak ak -6 1 ggg ggg -5 5 oo oo -4 4 tr tr -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 5 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 5 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 23 NULL 5 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `d` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add index (c(2)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (d(10)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `d` (`d`(10)), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -insert into t1 values(5,1,'ggg','ggg'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `d` (`d`(10)), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 drop index d; -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -8 9 fff fff -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -8 9 fff fff -5 1 ggg ggg -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -explain select * from t1 order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b,c); -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 5 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add index (b,c); -insert into t1 values(11,11,'kkk','kkk'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`), - KEY `b_2` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (c,d); -insert into t1 values(13,13,'yyy','aaa'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 34 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`), - UNIQUE KEY `c` (`c`,`d`), - KEY `b_2` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; -create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; -create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; -create table t2(a int not null, b int not null, c int not null, d int not null, e int, -foreign key (b) references t1(b) on delete cascade, -foreign key (c) references t3(c), foreign key (d) references t4(d)) -engine = innodb; -alter table t1 drop index b; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -alter table t3 drop index c; -ERROR HY000: Cannot drop index 'c': needed in a foreign key constraint -alter table t4 drop index d; -ERROR HY000: Cannot drop index 'd': needed in a foreign key constraint -alter table t2 drop index b; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -alter table t2 drop index b, drop index c, drop index d; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -create unique index dc on t2 (d,c); -create index dc on t1 (b,c); -alter table t2 add primary key (a); -insert into t1 values (1,1,1); -insert into t3 values (1,1,1); -insert into t4 values (1,1,1); -insert into t2 values (1,1,1,1,1); -commit; -alter table t4 add constraint dc foreign key (a) references t1(a); -show create table t4; -Table Create Table -t4 CREATE TABLE `t4` ( - `a` int(11) NOT NULL, - `d` int(11) NOT NULL, - `e` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `d` (`d`), - CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t3 add constraint dc foreign key (a) references t1(a); -ERROR HY000: Can't create table '#sql-temporary' (errno: 121) -show create table t3; -Table Create Table -t3 CREATE TABLE `t3` ( - `a` int(11) NOT NULL, - `c` int(11) NOT NULL, - `d` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t2 drop index b, add index (b); -ERROR 42000: Incorrect index name 'b' -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - `c` int(11) NOT NULL, - `d` int(11) NOT NULL, - `e` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `dc` (`d`,`c`), - KEY `b` (`b`), - KEY `c` (`c`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE, - CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`), - CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -delete from t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -drop index dc on t4; -ERROR 42000: Can't DROP 'dc'; check that column/key exists -alter table t3 drop foreign key dc; -ERROR HY000: Error on rename of './test/t3' to '#sql2-temporary' (errno: 152) -alter table t4 drop foreign key dc; -select * from t2; -a b c d e -1 1 1 1 1 -delete from t1; -select * from t2; -a b c d e -drop table t2,t4,t3,t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=utf8; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '2' for key 'b' -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -alter table t1 add index (b); -insert into t1 values(10,10,'kkk','iii'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -alter table t1 add unique index (c), add index (d); -insert into t1 values(11,11,'aaa','mmm'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(c) order by c; -a b c d -11 11 aaa mmm -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 31 NULL 7 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 63 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; -create table t1(a int not null, b int) engine = innodb; -insert into t1 values (1,1),(1,1),(1,1),(1,1); -alter table t1 add unique index (a); -ERROR 23000: Duplicate entry '1' for key 'a' -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '1' for key 'b' -alter table t1 add unique index (a), add unique index(b); -ERROR 23000: Duplicate entry '1' for key 'a' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; -alter table t1 drop index c, drop index b; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `c` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine = innodb; -alter table t1 add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); -alter table t1 add unique index (b), add unique index (c), add unique index (d); -ERROR 23000: Duplicate entry '4' for key 'b' -alter table t1 add unique index (c), add unique index (b), add index (d); -ERROR 23000: Duplicate entry 'ac' for key 'c' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; -insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); -alter table t1 add unique index (b); -insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - `c` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`), - KEY `c` (`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 5 NULL 9 -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 9 -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL 9 -select * from t1 order by a; -a b c -1 5 1 -2 4 2 -3 3 3 -4 2 4 -5 1 5 -10 20 20 -11 19 19 -12 18 18 -13 17 17 -select * from t1 force index(b) order by b; -a b c -5 1 5 -4 2 4 -3 3 3 -2 4 2 -1 5 1 -13 17 17 -12 18 18 -11 19 19 -10 20 20 -select * from t1 force index(c) order by c; -a b c -1 5 1 -2 4 2 -3 3 3 -4 2 4 -5 1 5 -13 17 17 -12 18 18 -11 19 19 -10 20 20 -drop table t1; -create table t1(a int not null, b int not null) engine=innodb; -insert into t1 values (1,1); -alter table t1 add primary key(b); -insert into t1 values (2,2); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - PRIMARY KEY (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -select * from t1; -a b -1 1 -2 2 -explain select * from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 -checksum table t1; -Table Checksum -test.t1 582702641 -drop table t1; -create table t1(a int not null) engine=innodb; -insert into t1 values (1); -alter table t1 add primary key(a); -insert into t1 values (2); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -commit; -select * from t1; -a -1 -2 -explain select * from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index -drop table t1; -create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; -create table t3(a int primary key) engine=innodb; -insert into t3 values(22),(44),(33),(55),(66); -insert into t2 values ('jejdkrun87'),('adfd72nh9k'), -('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); -create table t1(a int, b blob, c text, d text not null) -engine=innodb default charset = utf8; -insert into t1 -select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; -drop table t2, t3; -select count(*) from t1 where a=44; -count(*) -5 -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d -22 22000 1 4400 1 adfd72nh9k -22 35200 1 7040 1 adfdijn0loKNHJik -22 28600 1 5720 1 adfdijnmnb78k -22 26400 1 5280 1 adfdpplkeock -22 22000 1 4400 1 jejdkrun87 -33 33000 1 6600 1 adfd72nh9k -33 52800 1 10560 1 adfdijn0loKNHJik -33 42900 1 8580 1 adfdijnmnb78k -33 39600 1 7920 1 adfdpplkeock -33 33000 1 6600 1 jejdkrun87 -44 44000 1 8800 1 adfd72nh9k -44 65535 1 14080 1 adfdijn0loKNHJik -44 57200 1 11440 1 adfdijnmnb78k -44 52800 1 10560 1 adfdpplkeock -44 44000 1 8800 1 jejdkrun87 -55 55000 1 11000 1 adfd72nh9k -55 65535 1 17600 1 adfdijn0loKNHJik -55 65535 1 14300 1 adfdijnmnb78k -55 65535 1 13200 1 adfdpplkeock -55 55000 1 11000 1 jejdkrun87 -66 65535 1 13200 1 adfd72nh9k -66 65535 1 21120 1 adfdijn0loKNHJik -66 65535 1 17160 1 adfdijnmnb78k -66 65535 1 15840 1 adfdpplkeock -66 65535 1 13200 1 jejdkrun87 -alter table t1 add primary key (a), add key (b(20)); -ERROR 23000: Duplicate entry '22' for key 'PRIMARY' -delete from t1 where a%2; -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); -select count(*) from t1 where a=44; -count(*) -5 -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d -22 22000 1 4400 1 adfd72nh9k -22 35200 1 7040 1 adfdijn0loKNHJik -22 28600 1 5720 1 adfdijnmnb78k -22 26400 1 5280 1 adfdpplkeock -22 22000 1 4400 1 jejdkrun87 -44 44000 1 8800 1 adfd72nh9k -44 65535 1 14080 1 adfdijn0loKNHJik -44 57200 1 11440 1 adfdijnmnb78k -44 52800 1 10560 1 adfdpplkeock -44 44000 1 8800 1 jejdkrun87 -66 65535 1 13200 1 adfd72nh9k -66 65535 1 21120 1 adfdijn0loKNHJik -66 65535 1 17160 1 adfdijnmnb78k -66 65535 1 15840 1 adfdpplkeock -66 65535 1 13200 1 jejdkrun87 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL DEFAULT '0', - `b` blob NOT NULL, - `c` text NOT NULL, - `d` text NOT NULL, - PRIMARY KEY (`a`,`b`(255),`c`(255)), - KEY `b` (`b`(767)) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -explain select * from t1 where b like 'adfd%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; -set innodb_lock_wait_timeout=1; -begin; -select a from t1 limit 1 for update; -a -22 -set innodb_lock_wait_timeout=1; -create index t1ba on t1 (b,a); -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -begin; -select a from t1 limit 1 lock in share mode; -a -22 -create index t1ba on t1 (b,a); -drop index t1ba on t1; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL t1ba 261 NULL 15 Using index -select a,sleep(2+a/100) from t1 order by b limit 3; -select sleep(1); -sleep(1) -0 -drop index t1ba on t1; -a sleep(2+a/100) -22 0 -44 0 -66 0 -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 261 NULL 15 Using index; Using filesort -select a from t1 order by b limit 3; -a -22 -66 -44 -commit; -drop table t1; -set global innodb_file_per_table=on; -set global innodb_file_format='Barracuda'; -create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, -i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, -q blob,r blob,s blob,t blob,u blob) -engine=innodb row_format=dynamic; -create index t1a on t1 (a(1)); -create index t1b on t1 (b(1)); -create index t1c on t1 (c(1)); -create index t1d on t1 (d(1)); -create index t1e on t1 (e(1)); -create index t1f on t1 (f(1)); -create index t1g on t1 (g(1)); -create index t1h on t1 (h(1)); -create index t1i on t1 (i(1)); -create index t1j on t1 (j(1)); -create index t1k on t1 (k(1)); -create index t1l on t1 (l(1)); -create index t1m on t1 (m(1)); -create index t1n on t1 (n(1)); -create index t1o on t1 (o(1)); -create index t1p on t1 (p(1)); -create index t1q on t1 (q(1)); -create index t1r on t1 (r(1)); -create index t1s on t1 (s(1)); -create index t1t on t1 (t(1)); -create index t1u on t1 (u(1)); -ERROR HY000: Too big row -create index t1ut on t1 (u(1), t(1)); -ERROR HY000: Too big row -create index t1st on t1 (s(1), t(1)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` blob, - `b` blob, - `c` blob, - `d` blob, - `e` blob, - `f` blob, - `g` blob, - `h` blob, - `i` blob, - `j` blob, - `k` blob, - `l` blob, - `m` blob, - `n` blob, - `o` blob, - `p` blob, - `q` blob, - `r` blob, - `s` blob, - `t` blob, - `u` blob, - KEY `t1a` (`a`(1)), - KEY `t1b` (`b`(1)), - KEY `t1c` (`c`(1)), - KEY `t1d` (`d`(1)), - KEY `t1e` (`e`(1)), - KEY `t1f` (`f`(1)), - KEY `t1g` (`g`(1)), - KEY `t1h` (`h`(1)), - KEY `t1i` (`i`(1)), - KEY `t1j` (`j`(1)), - KEY `t1k` (`k`(1)), - KEY `t1l` (`l`(1)), - KEY `t1m` (`m`(1)), - KEY `t1n` (`n`(1)), - KEY `t1o` (`o`(1)), - KEY `t1p` (`p`(1)), - KEY `t1q` (`q`(1)), - KEY `t1r` (`r`(1)), - KEY `t1s` (`s`(1)), - KEY `t1t` (`t`(1)), - KEY `t1st` (`s`(1),`t`(1)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC -create index t1u on t1 (u(1)); -ERROR HY000: Too big row -alter table t1 row_format=compact; -create index t1u on t1 (u(1)); -drop table t1; -set global innodb_file_per_table=0; -set global innodb_file_format=Antelope; -set global innodb_file_format_check=Antelope; -SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; -SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; -CREATE TABLE t1( -c1 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3) REFERENCES t1(c1); -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; -INSERT INTO t2 VALUES(0,0,0); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -INSERT INTO t1 VALUES(0); -INSERT INTO t2 VALUES(0,0,0); -DROP TABLE t2; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1,c2,c3) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3) REFERENCES t1(c1); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`,`c2`,`c3`), - KEY `fk_t2_ca` (`c3`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`,`c2`,`c3`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -INSERT INTO t2 VALUES(0,0,1); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -INSERT INTO t2 VALUES(0,0,0); -DELETE FROM t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -DELETE FROM t2; -DROP TABLE t2; -DROP TABLE t1; -CREATE TABLE t1( -c1 BIGINT(12) NOT NULL, -c2 INT(4) NOT NULL, -PRIMARY KEY (c2,c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(12) NOT NULL, - `c2` bigint(12) NOT NULL, - PRIMARY KEY (`c2`,`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2; -DROP TABLE t1; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -BEGIN; -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -CREATE INDEX t1a ON t1(a); -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -ERROR HY000: Table definition has changed, please retry transaction -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -a b -0 d -1 c -1 e -3 a -3 b -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb-index.test b/perfschema/mysql-test/innodb-index.test deleted file mode 100644 index da1bc543ae9..00000000000 --- a/perfschema/mysql-test/innodb-index.test +++ /dev/null @@ -1,540 +0,0 @@ --- source include/have_innodb.inc - -let $MYSQLD_DATADIR= `select @@datadir`; - -let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; - -create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; -insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); -commit; ---error ER_DUP_KEYNAME -alter table t1 add index b (b), add index b (b); ---error ER_DUP_FIELDNAME -alter table t1 add index (b,b); -alter table t1 add index d2 (d); -show create table t1; -explain select * from t1 force index(d2) order by d; -select * from t1 force index (d2) order by d; ---error ER_DUP_ENTRY -alter table t1 add unique index (b); -show create table t1; -alter table t1 add index (b); -show create table t1; - -alter table t1 add unique index (c), add index (d); -show create table t1; -explain select * from t1 force index(c) order by c; -alter table t1 add primary key (a), drop index c; -show create table t1; ---error ER_MULTIPLE_PRI_KEY -alter table t1 add primary key (c); ---error ER_DUP_ENTRY -alter table t1 drop primary key, add primary key (b); -create unique index c on t1 (c); -show create table t1; -explain select * from t1 force index(c) order by c; -select * from t1 force index(c) order by c; -alter table t1 drop index b, add index (b); -show create table t1; -insert into t1 values(6,1,'ggg','ggg'); -select * from t1; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -select * from t1 force index(d) order by d; -explain select * from t1 force index(b) order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 force index(d) order by d; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add index (c(2)); -show create table t1; -alter table t1 add unique index (d(10)); -show create table t1; -insert into t1 values(5,1,'ggg','ggg'); -select * from t1; -select * from t1 force index(c) order by c; -select * from t1 force index(d) order by d; -explain select * from t1 order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 force index(d) order by d; -show create table t1; -alter table t1 drop index d; -insert into t1 values(8,9,'fff','fff'); -select * from t1; -select * from t1 force index(c) order by c; -explain select * from t1 order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 order by d; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b,c); -insert into t1 values(8,9,'fff','fff'); -select * from t1; -select * from t1 force index(b) order by b; -explain select * from t1 force index(b) order by b; -show create table t1; -alter table t1 add index (b,c); -insert into t1 values(11,11,'kkk','kkk'); -select * from t1; -select * from t1 force index(b) order by b; -explain select * from t1 force index(b) order by b; -show create table t1; -alter table t1 add unique index (c,d); -insert into t1 values(13,13,'yyy','aaa'); -select * from t1; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -explain select * from t1 force index(b) order by b; -explain select * from t1 force index(c) order by c; -show create table t1; -drop table t1; - -create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; -create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; -create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; -create table t2(a int not null, b int not null, c int not null, d int not null, e int, -foreign key (b) references t1(b) on delete cascade, -foreign key (c) references t3(c), foreign key (d) references t4(d)) -engine = innodb; ---error ER_DROP_INDEX_FK -alter table t1 drop index b; ---error ER_DROP_INDEX_FK -alter table t3 drop index c; ---error ER_DROP_INDEX_FK -alter table t4 drop index d; ---error ER_DROP_INDEX_FK -alter table t2 drop index b; ---error ER_DROP_INDEX_FK -alter table t2 drop index b, drop index c, drop index d; -# Apparently, the following makes mysql_alter_table() drop index d. -create unique index dc on t2 (d,c); -create index dc on t1 (b,c); -# This should preserve the foreign key constraints. -alter table t2 add primary key (a); -insert into t1 values (1,1,1); -insert into t3 values (1,1,1); -insert into t4 values (1,1,1); -insert into t2 values (1,1,1,1,1); -commit; -alter table t4 add constraint dc foreign key (a) references t1(a); -show create table t4; ---replace_regex /'test\.#sql-[0-9a-f_]*'/'#sql-temporary'/ -# a foreign key 'test/dc' already exists ---error ER_CANT_CREATE_TABLE -alter table t3 add constraint dc foreign key (a) references t1(a); -show create table t3; -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t2 drop index b, add index (b); -show create table t2; ---error ER_ROW_IS_REFERENCED_2 -delete from t1; ---error ER_CANT_DROP_FIELD_OR_KEY -drop index dc on t4; -# there is no foreign key dc on t3 ---replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' ---error ER_ERROR_ON_RENAME -alter table t3 drop foreign key dc; -alter table t4 drop foreign key dc; -select * from t2; -delete from t1; -select * from t2; - -drop table t2,t4,t3,t1; - --- let charset = utf8 --- source include/innodb-index.inc - -create table t1(a int not null, b int) engine = innodb; -insert into t1 values (1,1),(1,1),(1,1),(1,1); ---error ER_DUP_ENTRY -alter table t1 add unique index (a); ---error ER_DUP_ENTRY -alter table t1 add unique index (b); ---error ER_DUP_ENTRY -alter table t1 add unique index (a), add unique index(b); -show create table t1; -drop table t1; - -create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; -alter table t1 drop index c, drop index b; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, primary key(a)) engine = innodb; -alter table t1 add index (b); -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); ---error ER_DUP_ENTRY -alter table t1 add unique index (b), add unique index (c), add unique index (d); ---error ER_DUP_ENTRY -alter table t1 add unique index (c), add unique index (b), add index (d); -show create table t1; -drop table t1; - -create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; -insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); -alter table t1 add unique index (b); -insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); -show create table t1; -check table t1; -explain select * from t1 force index(c) order by c; -explain select * from t1 order by a; -explain select * from t1 force index(b) order by b; -select * from t1 order by a; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -drop table t1; - -create table t1(a int not null, b int not null) engine=innodb; -insert into t1 values (1,1); -alter table t1 add primary key(b); -insert into t1 values (2,2); -show create table t1; -check table t1; -select * from t1; -explain select * from t1; -explain select * from t1 order by a; -explain select * from t1 order by b; -checksum table t1; -drop table t1; - -create table t1(a int not null) engine=innodb; -insert into t1 values (1); -alter table t1 add primary key(a); -insert into t1 values (2); -show create table t1; -check table t1; -commit; -select * from t1; -explain select * from t1; -explain select * from t1 order by a; -drop table t1; - -create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; -create table t3(a int primary key) engine=innodb; - -insert into t3 values(22),(44),(33),(55),(66); - -insert into t2 values ('jejdkrun87'),('adfd72nh9k'), -('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); - -create table t1(a int, b blob, c text, d text not null) -engine=innodb default charset = utf8; - -# r2667 The following test is disabled because MySQL behavior changed. -# r2667 The test was added with this comment: -# r2667 -# r2667 ------------------------------------------------------------------------ -# r2667 r1699 | marko | 2007-08-10 19:53:19 +0300 (Fri, 10 Aug 2007) | 5 lines -# r2667 -# r2667 branches/zip: Add changes that accidentally omitted from r1698: -# r2667 -# r2667 innodb-index.test, innodb-index.result: Add a test for creating -# r2667 a PRIMARY KEY on a column that contains a NULL value. -# r2667 ------------------------------------------------------------------------ -# r2667 -# r2667 but in BZR-r2667: -# r2667 http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.1/revision/davi%40mysql.com-20080617141221-8yre8ys9j4uw3xx5?start_revid=joerg%40mysql.com-20080630105418-7qoe5ehomgrcdb89 -# r2667 MySQL changed the behavior to do full table copy when creating PRIMARY INDEX -# r2667 on a non-NULL column instead of calling ::add_index() which would fail (and -# r2667 this is what we were testing here). Before r2667 the code execution path was -# r2667 like this (when adding PRIMARY INDEX on a non-NULL column with ALTER TABLE): -# r2667 -# r2667 mysql_alter_table() -# r2667 compare_tables() // would return ALTER_TABLE_INDEX_CHANGED -# r2667 ::add_index() // would fail with "primary index cannot contain NULL" -# r2667 -# r2667 after r2667 the code execution path is the following: -# r2667 -# r2667 mysql_alter_table() -# r2667 compare_tables() // returns ALTER_TABLE_DATA_CHANGED -# r2667 full copy is done, without calling ::add_index() -# r2667 -# r2667 To enable, remove "# r2667: " below. -# r2667 -# r2667: insert into t1 values (null,null,null,'null'); -insert into t1 -select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; -drop table t2, t3; -select count(*) from t1 where a=44; -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -# r2667: --error ER_PRIMARY_CANT_HAVE_NULL -# r2667: alter table t1 add primary key (a), add key (b(20)); -# r2667: delete from t1 where d='null'; ---error ER_DUP_ENTRY -alter table t1 add primary key (a), add key (b(20)); -delete from t1 where a%2; -check table t1; -alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); -select count(*) from t1 where a=44; -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -show create table t1; -check table t1; -explain select * from t1 where b like 'adfd%'; - -# -# Test locking -# - -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set innodb_lock_wait_timeout=1; -begin; -# Obtain an IX lock on the table -select a from t1 limit 1 for update; -connection b; -set innodb_lock_wait_timeout=1; -# This would require an S lock on the table, conflicting with the IX lock. ---error ER_LOCK_WAIT_TIMEOUT -create index t1ba on t1 (b,a); -connection a; -commit; -begin; -# Obtain an IS lock on the table -select a from t1 limit 1 lock in share mode; -connection b; -# This will require an S lock on the table. No conflict with the IS lock. -create index t1ba on t1 (b,a); -# This would require an X lock on the table, conflicting with the IS lock. ---error ER_LOCK_WAIT_TIMEOUT -drop index t1ba on t1; -connection a; -commit; -explain select a from t1 order by b; ---send -select a,sleep(2+a/100) from t1 order by b limit 3; - -# The following DROP INDEX will succeed, altough the SELECT above has -# opened a read view. However, during the execution of the SELECT, -# MySQL should hold a table lock that should block the execution -# of the DROP INDEX below. - -connection b; -select sleep(1); -drop index t1ba on t1; - -# After the index was dropped, subsequent SELECTs will use the same -# read view, but they should not be accessing the dropped index any more. - -connection a; -reap; -explain select a from t1 order by b; -select a from t1 order by b limit 3; -commit; - -connection default; -disconnect a; -disconnect b; - -drop table t1; - -let $per_table=`select @@innodb_file_per_table`; -let $format=`select @@innodb_file_format`; -set global innodb_file_per_table=on; -set global innodb_file_format='Barracuda'; -# Test creating a table that could lead to undo log overflow. -# In the undo log, we write a 768-byte prefix (REC_MAX_INDEX_COL_LEN) -# of each externally stored column that appears as a column prefix in an index. -# For this test case, it would suffice to write 1 byte, though. -create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, - i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, - q blob,r blob,s blob,t blob,u blob) - engine=innodb row_format=dynamic; -create index t1a on t1 (a(1)); -create index t1b on t1 (b(1)); -create index t1c on t1 (c(1)); -create index t1d on t1 (d(1)); -create index t1e on t1 (e(1)); -create index t1f on t1 (f(1)); -create index t1g on t1 (g(1)); -create index t1h on t1 (h(1)); -create index t1i on t1 (i(1)); -create index t1j on t1 (j(1)); -create index t1k on t1 (k(1)); -create index t1l on t1 (l(1)); -create index t1m on t1 (m(1)); -create index t1n on t1 (n(1)); -create index t1o on t1 (o(1)); -create index t1p on t1 (p(1)); -create index t1q on t1 (q(1)); -create index t1r on t1 (r(1)); -create index t1s on t1 (s(1)); -create index t1t on t1 (t(1)); ---error 139 -create index t1u on t1 (u(1)); ---error 139 -create index t1ut on t1 (u(1), t(1)); -create index t1st on t1 (s(1), t(1)); -show create table t1; ---error 139 -create index t1u on t1 (u(1)); -alter table t1 row_format=compact; -create index t1u on t1 (u(1)); - -drop table t1; -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format=$format; -eval set global innodb_file_format_check=$format; - -# -# Test to check whether CREATE INDEX handles implicit foreign key -# constraint modifications (Issue #70, Bug #38786) -# -SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; -SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; - -CREATE TABLE t1( - c1 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3) REFERENCES t1(c1); - -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; - -SHOW CREATE TABLE t2; - -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); - -SHOW CREATE TABLE t2; - -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; - ---error ER_NO_REFERENCED_ROW_2 -INSERT INTO t2 VALUES(0,0,0); -INSERT INTO t1 VALUES(0); -INSERT INTO t2 VALUES(0,0,0); - -DROP TABLE t2; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1,c2,c3) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3) REFERENCES t1(c1); - -SHOW CREATE TABLE t2; - -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); - -SHOW CREATE TABLE t2; ---error ER_NO_REFERENCED_ROW_2 -INSERT INTO t2 VALUES(0,0,1); -INSERT INTO t2 VALUES(0,0,0); ---error ER_ROW_IS_REFERENCED_2 -DELETE FROM t1; -DELETE FROM t2; - -DROP TABLE t2; -DROP TABLE t1; - -CREATE TABLE t1( - c1 BIGINT(12) NOT NULL, - c2 INT(4) NOT NULL, - PRIMARY KEY (c2,c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -SHOW CREATE TABLE t1; -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; - -DROP TABLE t2; -DROP TABLE t1; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -connection b; -BEGIN; -SELECT * FROM t1; -connection a; -CREATE INDEX t1a ON t1(a); -connection b; -SELECT * FROM t1; ---error ER_TABLE_DEF_CHANGED -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -SELECT * FROM t1; -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -connection default; -disconnect a; -disconnect b; - -DROP TABLE t1; - -# -# restore environment to the state it was before this test execution -# - --- disable_query_log -eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/perfschema/mysql-test/innodb-index_ucs2.result b/perfschema/mysql-test/innodb-index_ucs2.result deleted file mode 100644 index c8a1e8c7da1..00000000000 --- a/perfschema/mysql-test/innodb-index_ucs2.result +++ /dev/null @@ -1,116 +0,0 @@ -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=ucs2; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '2' for key 'b' -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -alter table t1 add index (b); -insert into t1 values(10,10,'kkk','iii'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -alter table t1 add unique index (c), add index (d); -insert into t1 values(11,11,'aaa','mmm'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(c) order by c; -a b c d -11 11 aaa mmm -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 21 NULL 7 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 43 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; diff --git a/perfschema/mysql-test/innodb-index_ucs2.test b/perfschema/mysql-test/innodb-index_ucs2.test deleted file mode 100644 index fff9a4da1a8..00000000000 --- a/perfschema/mysql-test/innodb-index_ucs2.test +++ /dev/null @@ -1,5 +0,0 @@ --- source include/have_innodb.inc --- source include/have_ucs2.inc - --- let charset = ucs2 --- source include/innodb-index.inc diff --git a/perfschema/mysql-test/innodb-lock.result b/perfschema/mysql-test/innodb-lock.result deleted file mode 100644 index 4ace4065c34..00000000000 --- a/perfschema/mysql-test/innodb-lock.result +++ /dev/null @@ -1,57 +0,0 @@ -set global innodb_table_locks=1; -select @@innodb_table_locks; -@@innodb_table_locks -1 -drop table if exists t1; -set @@innodb_table_locks=1; -create table t1 (id integer, x integer) engine=INNODB; -insert into t1 values(0, 0); -set autocommit=0; -SELECT * from t1 where id = 0 FOR UPDATE; -id x -0 0 -set autocommit=0; -lock table t1 write; -update t1 set x=1 where id = 0; -select * from t1; -id x -0 1 -commit; -update t1 set x=2 where id = 0; -commit; -unlock tables; -select * from t1; -id x -0 2 -commit; -drop table t1; -set @@innodb_table_locks=0; -create table t1 (id integer primary key, x integer) engine=INNODB; -insert into t1 values(0, 0),(1,1),(2,2); -commit; -SELECT * from t1 where id = 0 FOR UPDATE; -id x -0 0 -set autocommit=0; -set @@innodb_table_locks=0; -lock table t1 write; -update t1 set x=10 where id = 2; -SELECT * from t1 where id = 2; -id x -2 2 -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -id x -0 0 -1 1 -2 3 -commit; -unlock tables; -commit; -select * from t1; -id x -0 0 -1 1 -2 10 -drop table t1; diff --git a/perfschema/mysql-test/innodb-lock.test b/perfschema/mysql-test/innodb-lock.test deleted file mode 100644 index eacf7e562be..00000000000 --- a/perfschema/mysql-test/innodb-lock.test +++ /dev/null @@ -1,102 +0,0 @@ --- source include/have_innodb.inc - -# -# Check and select innodb lock type -# - -set global innodb_table_locks=1; - -select @@innodb_table_locks; - -# -# Testing of explicit table locks with enforced table locks -# - -connect (con1,localhost,root,,); -connect (con2,localhost,root,,); - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Testing of explicit table locks with enforced table locks -# - -set @@innodb_table_locks=1; - -connection con1; -create table t1 (id integer, x integer) engine=INNODB; -insert into t1 values(0, 0); -set autocommit=0; -SELECT * from t1 where id = 0 FOR UPDATE; - -connection con2; -set autocommit=0; - -# The following statement should hang because con1 is locking the page ---send -lock table t1 write; ---sleep 2 - -connection con1; -update t1 set x=1 where id = 0; -select * from t1; -commit; - -connection con2; -reap; -update t1 set x=2 where id = 0; -commit; -unlock tables; - -connection con1; -select * from t1; -commit; - -drop table t1; - -# -# Try with old lock method (where LOCK TABLE is ignored by InnoDB) -# - -set @@innodb_table_locks=0; - -create table t1 (id integer primary key, x integer) engine=INNODB; -insert into t1 values(0, 0),(1,1),(2,2); -commit; -SELECT * from t1 where id = 0 FOR UPDATE; - -connection con2; -set autocommit=0; -set @@innodb_table_locks=0; - -# The following statement should work becase innodb doesn't check table locks -lock table t1 write; - -connection con1; - -# This will be locked by MySQL ---send -update t1 set x=10 where id = 2; ---sleep 2 - -connection con2; - -# Note that we will get a deadlock if we try to select any rows marked -# for update by con1 ! - -SELECT * from t1 where id = 2; -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -commit; -unlock tables; - -connection con1; -reap; -commit; -select * from t1; -drop table t1; - -# End of 4.1 tests diff --git a/perfschema/mysql-test/innodb-master.opt b/perfschema/mysql-test/innodb-master.opt deleted file mode 100644 index 72c88068345..00000000000 --- a/perfschema/mysql-test/innodb-master.opt +++ /dev/null @@ -1 +0,0 @@ ---binlog_cache_size=32768 --loose_innodb_lock_wait_timeout=1 diff --git a/perfschema/mysql-test/innodb-replace.result b/perfschema/mysql-test/innodb-replace.result deleted file mode 100644 index c926bb89a2e..00000000000 --- a/perfschema/mysql-test/innodb-replace.result +++ /dev/null @@ -1,13 +0,0 @@ -drop table if exists t1; -create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; -select * from t1; -c1 c2 stamp -replace delayed into t1 (c1, c2) values ( "text1","11"); -ERROR HY000: DELAYED option not supported for table 't1' -select * from t1; -c1 c2 stamp -replace delayed into t1 (c1, c2) values ( "text1","12"); -ERROR HY000: DELAYED option not supported for table 't1' -select * from t1; -c1 c2 stamp -drop table t1; diff --git a/perfschema/mysql-test/innodb-replace.test b/perfschema/mysql-test/innodb-replace.test deleted file mode 100644 index 8c3aacde5e8..00000000000 --- a/perfschema/mysql-test/innodb-replace.test +++ /dev/null @@ -1,22 +0,0 @@ --- source include/have_innodb.inc -# embedded server ignores 'delayed', so skip this --- source include/not_embedded.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Bug #1078 -# -create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; -select * from t1; ---error ER_DELAYED_NOT_SUPPORTED -replace delayed into t1 (c1, c2) values ( "text1","11"); -select * from t1; ---error ER_DELAYED_NOT_SUPPORTED -replace delayed into t1 (c1, c2) values ( "text1","12"); -select * from t1; -drop table t1; - -# End of 4.1 tests diff --git a/perfschema/mysql-test/innodb-semi-consistent-master.opt b/perfschema/mysql-test/innodb-semi-consistent-master.opt deleted file mode 100644 index cb48f1aaf60..00000000000 --- a/perfschema/mysql-test/innodb-semi-consistent-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose-innodb_lock_wait_timeout=2 diff --git a/perfschema/mysql-test/innodb-semi-consistent.result b/perfschema/mysql-test/innodb-semi-consistent.result deleted file mode 100644 index ca0e362ef80..00000000000 --- a/perfschema/mysql-test/innodb-semi-consistent.result +++ /dev/null @@ -1,47 +0,0 @@ -drop table if exists t1; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -select * from t1 where a=3 lock in share mode; -a -3 -set binlog_format=mixed; -set session transaction isolation level repeatable read; -set autocommit=0; -update t1 set a=10 where a=5; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -set session transaction isolation level read committed; -update t1 set a=10 where a=5; -select * from t1 where a=2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -select * from t1 where a=2 limit 1 for update; -a -2 -update t1 set a=11 where a=6; -update t1 set a=12 where a=2; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -update t1 set a=13 where a=1; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -update t1 set a=14 where a=1; -commit; -select * from t1; -a -14 -2 -3 -4 -10 -11 -7 -drop table t1; -create table t1 (a int, b int) engine=myisam; -create table t2 (c int, d int, key (c)) engine=innodb; -insert into t1 values (1,1); -insert into t2 values (1,2); -set session transaction isolation level read committed; -delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); -drop table t1, t2; diff --git a/perfschema/mysql-test/innodb-semi-consistent.test b/perfschema/mysql-test/innodb-semi-consistent.test deleted file mode 100644 index 61ad7815ca9..00000000000 --- a/perfschema/mysql-test/innodb-semi-consistent.test +++ /dev/null @@ -1,68 +0,0 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# basic tests of semi-consistent reads - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -# this should lock the entire table -select * from t1 where a=3 lock in share mode; -connection b; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -set autocommit=0; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=10 where a=5; -connection a; -commit; -connection b; -# perform a semi-consisent read (and unlock non-matching rows) -set session transaction isolation level read committed; -update t1 set a=10 where a=5; -connection a; --- error ER_LOCK_WAIT_TIMEOUT -select * from t1 where a=2 for update; -# this should lock the records (1),(2) -select * from t1 where a=2 limit 1 for update; -connection b; -# semi-consistent read will skip non-matching locked rows a=1, a=2 -update t1 set a=11 where a=6; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=12 where a=2; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=13 where a=1; -connection a; -commit; -connection b; -update t1 set a=14 where a=1; -commit; -connection a; -select * from t1; -drop table t1; - -connection default; -disconnect a; -disconnect b; - -# Bug 39320 -create table t1 (a int, b int) engine=myisam; -create table t2 (c int, d int, key (c)) engine=innodb; -insert into t1 values (1,1); -insert into t2 values (1,2); -connect (a,localhost,root,,); -connection a; -set session transaction isolation level read committed; -delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); -connection default; -disconnect a; -drop table t1, t2; diff --git a/perfschema/mysql-test/innodb-timeout.result b/perfschema/mysql-test/innodb-timeout.result deleted file mode 100644 index be9a688cd72..00000000000 --- a/perfschema/mysql-test/innodb-timeout.result +++ /dev/null @@ -1,38 +0,0 @@ -set global innodb_lock_wait_timeout=42; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -1 -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set global innodb_lock_wait_timeout=347; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -1 -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -347 -create table t1(a int primary key)engine=innodb; -begin; -insert into t1 values(1),(2),(3); -select * from t1 for update; -commit; -a -1 -2 -3 -begin; -insert into t1 values(4); -select * from t1 for update; -commit; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -drop table t1; -set global innodb_lock_wait_timeout=50; diff --git a/perfschema/mysql-test/innodb-timeout.test b/perfschema/mysql-test/innodb-timeout.test deleted file mode 100644 index f23fe3cff2d..00000000000 --- a/perfschema/mysql-test/innodb-timeout.test +++ /dev/null @@ -1,64 +0,0 @@ --- source include/have_innodb.inc - -let $timeout=`select @@innodb_lock_wait_timeout`; -set global innodb_lock_wait_timeout=42; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); - -connection a; -select @@innodb_lock_wait_timeout; -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; - -connection b; -select @@innodb_lock_wait_timeout; -set global innodb_lock_wait_timeout=347; -select @@innodb_lock_wait_timeout; -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; - -connect (c,localhost,root,,); -connection c; -select @@innodb_lock_wait_timeout; -connection default; -disconnect c; - -connection a; -create table t1(a int primary key)engine=innodb; -begin; -insert into t1 values(1),(2),(3); - -connection b; ---send -select * from t1 for update; - -connection a; -commit; - -connection b; -reap; - -connection a; -begin; -insert into t1 values(4); - -connection b; ---send -select * from t1 for update; - -connection a; -sleep 2; -commit; - -connection b; ---error ER_LOCK_WAIT_TIMEOUT -reap; -drop table t1; - -connection default; - -disconnect a; -disconnect b; - -eval set global innodb_lock_wait_timeout=$timeout; diff --git a/perfschema/mysql-test/innodb-use-sys-malloc-master.opt b/perfschema/mysql-test/innodb-use-sys-malloc-master.opt deleted file mode 100644 index fc8582b5887..00000000000 --- a/perfschema/mysql-test/innodb-use-sys-malloc-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose-innodb-use-sys-malloc=true diff --git a/perfschema/mysql-test/innodb-use-sys-malloc.result b/perfschema/mysql-test/innodb-use-sys-malloc.result deleted file mode 100644 index 2ec4c7c8130..00000000000 --- a/perfschema/mysql-test/innodb-use-sys-malloc.result +++ /dev/null @@ -1,48 +0,0 @@ -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -SET @@GLOBAL.innodb_use_sys_malloc=0; -ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable -Expected error 'Read only variable' -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -drop table if exists t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -SET @@GLOBAL.innodb_use_sys_malloc=0; -ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable -Expected error 'Read only variable' -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -drop table if exists t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; diff --git a/perfschema/mysql-test/innodb-use-sys-malloc.test b/perfschema/mysql-test/innodb-use-sys-malloc.test deleted file mode 100644 index 325dd19d086..00000000000 --- a/perfschema/mysql-test/innodb-use-sys-malloc.test +++ /dev/null @@ -1,48 +0,0 @@ ---source include/have_innodb.inc - -#display current value of innodb_use_sys_malloc -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - -#try changing it. Should fail. ---error ER_INCORRECT_GLOBAL_LOCAL_VAR -SET @@GLOBAL.innodb_use_sys_malloc=0; ---echo Expected error 'Read only variable' - -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - - -#do some stuff to see if it works. ---disable_warnings -drop table if exists t1; ---enable_warnings - -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -drop table t1; ---source include/have_innodb.inc - -#display current value of innodb_use_sys_malloc -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - -#try changing it. Should fail. ---error ER_INCORRECT_GLOBAL_LOCAL_VAR -SET @@GLOBAL.innodb_use_sys_malloc=0; ---echo Expected error 'Read only variable' - -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - - -#do some stuff to see if it works. ---disable_warnings -drop table if exists t1; ---enable_warnings - -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -drop table t1; diff --git a/perfschema/mysql-test/innodb-zip.result b/perfschema/mysql-test/innodb-zip.result deleted file mode 100644 index 21396d81ba8..00000000000 --- a/perfschema/mysql-test/innodb-zip.result +++ /dev/null @@ -1,421 +0,0 @@ -set global innodb_file_per_table=off; -set global innodb_file_format=`0`; -create table t0(a int primary key) engine=innodb row_format=compressed; -Warnings: -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t00(a int primary key) engine=innodb -key_block_size=4 row_format=compressed; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=4. -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t1(a int primary key) engine=innodb row_format=dynamic; -Warnings: -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t2(a int primary key) engine=innodb row_format=redundant; -create table t3(a int primary key) engine=innodb row_format=compact; -create table t4(a int primary key) engine=innodb key_block_size=9; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. -create table t5(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. -set global innodb_file_per_table=on; -create table t6(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. -set global innodb_file_format=`1`; -create table t7(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t8(a int primary key) engine=innodb -key_block_size=1 row_format=fixed; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t9(a int primary key) engine=innodb -key_block_size=1 row_format=compact; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t10(a int primary key) engine=innodb -key_block_size=1 row_format=dynamic; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t11(a int primary key) engine=innodb -key_block_size=1 row_format=compressed; -create table t12(a int primary key) engine=innodb -key_block_size=1; -create table t13(a int primary key) engine=innodb -row_format=compressed; -create table t14(a int primary key) engine=innodb key_block_size=9; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t0 Compact -test t00 Compact -test t1 Compact -test t10 Dynamic -test t11 Compressed -test t12 Compressed -test t13 Compressed -test t14 Compact -test t2 Redundant -test t3 Compact -test t4 Compact -test t5 Redundant -test t6 Redundant -test t7 Redundant -test t8 Compact -test t9 Compact -drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; -alter table t1 key_block_size=0; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. -alter table t1 row_format=dynamic; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Dynamic -alter table t1 row_format=compact; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compact -alter table t1 row_format=redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Redundant -drop table t1; -create table t1(a int not null, b text, index(b(10))) engine=innodb -key_block_size=1; -create table t2(b text)engine=innodb; -insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); -insert into t1 select 1, b from t2; -commit; -begin; -update t1 set b=repeat('B',100); -select a,left(b,40) from t1 natural join t2; -a left(b,40) -1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA -rollback; -select a,left(b,40) from t1 natural join t2; -a left(b,40) -1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compressed -test t2 Compact -drop table t1,t2; -SET SESSION innodb_strict_mode = off; -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; -drop table t1; -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); -DROP TABLE t1; -create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, -primary key(c1, c2(22), c3(22))) -engine = innodb row_format = dynamic; -begin; -insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), -repeat('C', 20000)); -update t1 set c3 = repeat('D', 20000) where c1 = 1; -commit; -select count(*) from t1 where c2 = repeat('A', 20000); -count(*) -1 -select count(*) from t1 where c3 = repeat('D', 20000); -count(*) -1 -select count(*) from t1 where c4 = repeat('C', 20000); -count(*) -1 -update t1 set c3 = repeat('E', 20000) where c1 = 1; -drop table t1; -set global innodb_file_format=`0`; -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format=`1`; -select @@innodb_file_format; -@@innodb_file_format -Barracuda -set global innodb_file_format=`2`; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=`-1`; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=`Antelope`; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format=`Cheetah`; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=`abc`; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=`1a`; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=``; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_per_table = on; -set global innodb_file_format = `1`; -set innodb_strict_mode = off; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. -drop table t1; -set innodb_strict_mode = on; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16] -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 9; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 1; -create table t4 (id int primary key) engine = innodb key_block_size = 2; -create table t5 (id int primary key) engine = innodb key_block_size = 4; -create table t6 (id int primary key) engine = innodb key_block_size = 8; -create table t7 (id int primary key) engine = innodb key_block_size = 16; -create table t8 (id int primary key) engine = innodb row_format = compressed; -create table t9 (id int primary key) engine = innodb row_format = dynamic; -create table t10(id int primary key) engine = innodb row_format = compact; -create table t11(id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t10 Compact -test t11 Redundant -test t3 Compressed -test t4 Compressed -test t5 Compressed -test t6 Compressed -test t7 Compressed -test t8 Compressed -test t9 Dynamic -drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; -create table t1 (id int primary key) engine = innodb -key_block_size = 8 row_format = compressed; -create table t2 (id int primary key) engine = innodb -key_block_size = 8 row_format = redundant; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb -key_block_size = 8 row_format = compact; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb -key_block_size = 8 row_format = dynamic; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb -key_block_size = 8 row_format = default; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t5' (errno: 1478) -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compressed -drop table t1; -create table t1 (id int primary key) engine = innodb -key_block_size = 9 row_format = redundant; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = compact; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = dynamic; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -set global innodb_file_per_table = off; -create table t1 (id int primary key) engine = innodb key_block_size = 1; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 2; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 4; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb key_block_size = 8; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb key_block_size = 16; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t5' (errno: 1478) -create table t6 (id int primary key) engine = innodb row_format = compressed; -ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Error 1005 Can't create table 'test.t6' (errno: 1478) -create table t7 (id int primary key) engine = innodb row_format = dynamic; -ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. -Error 1005 Can't create table 'test.t7' (errno: 1478) -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t8 Compact -test t9 Redundant -drop table t8, t9; -set global innodb_file_per_table = on; -set global innodb_file_format = `0`; -create table t1 (id int primary key) engine = innodb key_block_size = 1; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 2; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 4; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb key_block_size = 8; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb key_block_size = 16; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t5' (errno: 1478) -create table t6 (id int primary key) engine = innodb row_format = compressed; -ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t6' (errno: 1478) -create table t7 (id int primary key) engine = innodb row_format = dynamic; -ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t7' (errno: 1478) -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t8 Compact -test t9 Redundant -drop table t8, t9; -set global innodb_file_per_table=0; -set global innodb_file_format=Antelope; -set global innodb_file_per_table=on; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format_check=`Antelope`; -create table normal_table ( -c1 int -) engine = innodb; -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -create table zip_table ( -c1 int -) engine = innodb key_block_size = 8; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=`Antelope`; -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -show table status; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -drop table normal_table, zip_table; diff --git a/perfschema/mysql-test/innodb-zip.test b/perfschema/mysql-test/innodb-zip.test deleted file mode 100644 index fdb9b89e37a..00000000000 --- a/perfschema/mysql-test/innodb-zip.test +++ /dev/null @@ -1,343 +0,0 @@ --- source include/have_innodb.inc - -let $per_table=`select @@innodb_file_per_table`; -let $format=`select @@innodb_file_format`; -let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; -set global innodb_file_per_table=off; -set global innodb_file_format=`0`; - -create table t0(a int primary key) engine=innodb row_format=compressed; -create table t00(a int primary key) engine=innodb -key_block_size=4 row_format=compressed; -create table t1(a int primary key) engine=innodb row_format=dynamic; -create table t2(a int primary key) engine=innodb row_format=redundant; -create table t3(a int primary key) engine=innodb row_format=compact; -create table t4(a int primary key) engine=innodb key_block_size=9; -create table t5(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; - -set global innodb_file_per_table=on; -create table t6(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -set global innodb_file_format=`1`; -create table t7(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -create table t8(a int primary key) engine=innodb -key_block_size=1 row_format=fixed; -create table t9(a int primary key) engine=innodb -key_block_size=1 row_format=compact; -create table t10(a int primary key) engine=innodb -key_block_size=1 row_format=dynamic; -create table t11(a int primary key) engine=innodb -key_block_size=1 row_format=compressed; -create table t12(a int primary key) engine=innodb -key_block_size=1; -create table t13(a int primary key) engine=innodb -row_format=compressed; -create table t14(a int primary key) engine=innodb key_block_size=9; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; - -drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; -alter table t1 key_block_size=0; -alter table t1 row_format=dynamic; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -alter table t1 row_format=compact; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -alter table t1 row_format=redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1; - -create table t1(a int not null, b text, index(b(10))) engine=innodb -key_block_size=1; - -create table t2(b text)engine=innodb; -insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); - -insert into t1 select 1, b from t2; -commit; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); - -connection a; -begin; -update t1 set b=repeat('B',100); - -connection b; -select a,left(b,40) from t1 natural join t2; - -connection a; -rollback; - -connection b; -select a,left(b,40) from t1 natural join t2; - -connection default; -disconnect a; -disconnect b; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1,t2; - -# The following should fail even in non-strict mode. -SET SESSION innodb_strict_mode = off; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; -drop table t1; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); -DROP TABLE t1; - -# -# Test blob column inheritance (mantis issue#36) -# - -create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, - primary key(c1, c2(22), c3(22))) - engine = innodb row_format = dynamic; -begin; -insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), - repeat('C', 20000)); - -update t1 set c3 = repeat('D', 20000) where c1 = 1; -commit; - -# one blob column which is unchanged in update and part of PK -# one blob column which is changed and part of of PK -# one blob column which is not part of PK and is unchanged -select count(*) from t1 where c2 = repeat('A', 20000); -select count(*) from t1 where c3 = repeat('D', 20000); -select count(*) from t1 where c4 = repeat('C', 20000); - -update t1 set c3 = repeat('E', 20000) where c1 = 1; -drop table t1; - -# -# -# Test innodb_file_format -# -set global innodb_file_format=`0`; -select @@innodb_file_format; -set global innodb_file_format=`1`; -select @@innodb_file_format; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=`2`; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=`-1`; -set global innodb_file_format=`Antelope`; -set global innodb_file_format=`Barracuda`; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=`Cheetah`; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=`abc`; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=`1a`; --- error ER_WRONG_ARGUMENTS -set global innodb_file_format=``; - -#test strict mode. -# this does not work anymore, has been removed from mysqltest -# -- enable_errors -set global innodb_file_per_table = on; -set global innodb_file_format = `1`; - -set innodb_strict_mode = off; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -drop table t1; - -#set strict_mode -set innodb_strict_mode = on; - -#Test different values of KEY_BLOCK_SIZE - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 0; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 9; -show warnings; - - -create table t3 (id int primary key) engine = innodb key_block_size = 1; -create table t4 (id int primary key) engine = innodb key_block_size = 2; -create table t5 (id int primary key) engine = innodb key_block_size = 4; -create table t6 (id int primary key) engine = innodb key_block_size = 8; -create table t7 (id int primary key) engine = innodb key_block_size = 16; - -#check various ROW_FORMAT values. -create table t8 (id int primary key) engine = innodb row_format = compressed; -create table t9 (id int primary key) engine = innodb row_format = dynamic; -create table t10(id int primary key) engine = innodb row_format = compact; -create table t11(id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; - -#test different values of ROW_FORMAT with KEY_BLOCK_SIZE -create table t1 (id int primary key) engine = innodb -key_block_size = 8 row_format = compressed; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 8 row_format = redundant; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb -key_block_size = 8 row_format = compact; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb -key_block_size = 8 row_format = dynamic; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb -key_block_size = 8 row_format = default; -show warnings; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1; - -#test multiple errors ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb -key_block_size = 9 row_format = redundant; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = compact; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = dynamic; -show warnings; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; - -#test valid values with innodb_file_per_table unset -set global innodb_file_per_table = off; - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 1; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 2; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb key_block_size = 4; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb key_block_size = 8; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb key_block_size = 16; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t6 (id int primary key) engine = innodb row_format = compressed; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t7 (id int primary key) engine = innodb row_format = dynamic; -show warnings; -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t8, t9; - -#test valid values with innodb_file_format unset -set global innodb_file_per_table = on; -set global innodb_file_format = `0`; - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 1; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 2; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb key_block_size = 4; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb key_block_size = 8; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb key_block_size = 16; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t6 (id int primary key) engine = innodb row_format = compressed; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t7 (id int primary key) engine = innodb row_format = dynamic; -show warnings; -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t8, t9; - -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format=$format; -# -# Testing of tablespace tagging -# --- disable_info -set global innodb_file_per_table=on; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format_check=`Antelope`; -create table normal_table ( - c1 int -) engine = innodb; -select @@innodb_file_format_check; -create table zip_table ( - c1 int -) engine = innodb key_block_size = 8; -select @@innodb_file_format_check; -set global innodb_file_format_check=`Antelope`; -select @@innodb_file_format_check; --- disable_result_log -show table status; --- enable_result_log -select @@innodb_file_format_check; -drop table normal_table, zip_table; --- disable_result_log - -# -# restore environment to the state it was before this test execution -# - --- disable_query_log -eval set global innodb_file_format=$format; -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/perfschema/mysql-test/innodb.result b/perfschema/mysql-test/innodb.result deleted file mode 100644 index d7f4731436b..00000000000 --- a/perfschema/mysql-test/innodb.result +++ /dev/null @@ -1,3318 +0,0 @@ -drop table if exists t1,t2,t3,t4; -drop database if exists mysqltest; -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -update ignore t1 set id = 8, name = 'Sinisa' where id < 3; -select id, code, name from t1 order by id; -id code name -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -8 1 Sinisa -update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; -select id, code, name from t1 order by id; -id code name -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -8 1 Sinisa -12 1 Ralph -drop table t1; -CREATE TABLE t1 ( -id int(11) NOT NULL auto_increment, -parent_id int(11) DEFAULT '0' NOT NULL, -level tinyint(4) DEFAULT '0' NOT NULL, -PRIMARY KEY (id), -KEY parent_id (parent_id), -KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -id parent_id level -8 102 2 -9 102 2 -15 102 2 -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -Got one of the listed errors -select * from t1; -id parent_id level -1001 100 0 -1002 101 1 -1003 101 1 -1004 101 1 -1005 101 1 -1006 101 1 -1007 101 1 -1008 102 2 -1009 102 2 -1015 102 2 -1016 103 2 -1017 103 2 -1018 103 2 -1019 103 2 -1020 103 2 -1021 104 2 -1022 104 2 -1024 104 2 -1025 105 2 -1026 105 2 -1027 105 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1034 106 2 -1035 106 2 -1036 107 2 -1037 107 2 -1038 107 2 -1040 107 2 -1157 100 0 -1179 105 2 -1183 104 2 -1193 105 2 -1202 107 2 -1203 107 2 -update ignore t1 set id=id+1; -select * from t1; -id parent_id level -1001 100 0 -1002 101 1 -1003 101 1 -1004 101 1 -1005 101 1 -1006 101 1 -1007 101 1 -1008 102 2 -1010 102 2 -1015 102 2 -1016 103 2 -1017 103 2 -1018 103 2 -1019 103 2 -1020 103 2 -1021 104 2 -1023 104 2 -1024 104 2 -1025 105 2 -1026 105 2 -1027 105 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1034 106 2 -1035 106 2 -1036 107 2 -1037 107 2 -1039 107 2 -1041 107 2 -1158 100 0 -1180 105 2 -1184 104 2 -1194 105 2 -1202 107 2 -1204 107 2 -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; -id parent_id level -1008 102 2 -1010 102 2 -1015 102 2 -explain select level from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -explain select level,id from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -explain select level,id,parent_id from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # -select level,id from t1 where level=1; -level id -1 1002 -1 1003 -1 1004 -1 1005 -1 1006 -1 1007 -select level,id,parent_id from t1 where level=1; -level id parent_id -1 1002 101 -1 1003 101 -1 1004 101 -1 1005 101 -1 1006 101 -1 1007 101 -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 id A # NULL NULL BTREE -t1 1 parent_id 1 parent_id A # NULL NULL BTREE -t1 1 level 1 level A # NULL NULL BTREE -drop table t1; -CREATE TABLE t1 ( -gesuchnr int(11) DEFAULT '0' NOT NULL, -benutzer_id int(11) DEFAULT '0' NOT NULL, -PRIMARY KEY (gesuchnr,benutzer_id) -) engine=innodb; -replace into t1 (gesuchnr,benutzer_id) values (2,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -select * from t1; -gesuchnr benutzer_id -1 1 -2 1 -drop table t1; -create table t1 (a int) engine=innodb; -insert into t1 values (1), (2); -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -delete from t1 where a = 1; -select * from t1; -a -2 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; -create table t1 (a int,b varchar(20)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -delete from t1 where a = 1; -select * from t1; -a b -2 testing -create index skr on t1 (a); -insert into t1 values (3,""), (4,"testing"); -analyze table t1; -Table Op Msg_type Msg_text -test.t1 analyze status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 1 skr 1 a A # NULL NULL YES BTREE -drop table t1; -create table t1 (a int,b varchar(20),key(a)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -select * from t1 where a = 1; -a b -1 -drop table t1; -create table t1 (n int not null primary key) engine=innodb; -set autocommit=0; -insert into t1 values (4); -rollback; -select n, "after rollback" from t1; -n after rollback -insert into t1 values (4); -commit; -select n, "after commit" from t1; -n after commit -4 after commit -commit; -insert into t1 values (5); -insert into t1 values (4); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -commit; -select n, "after commit" from t1; -n after commit -4 after commit -5 after commit -set autocommit=1; -insert into t1 values (6); -insert into t1 values (4); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -select n from t1; -n -4 -5 -6 -set autocommit=0; -begin; -savepoint `my_savepoint`; -insert into t1 values (7); -savepoint `savept2`; -insert into t1 values (3); -select n from t1; -n -3 -4 -5 -6 -7 -savepoint savept3; -rollback to savepoint savept2; -rollback to savepoint savept3; -ERROR 42000: SAVEPOINT savept3 does not exist -rollback to savepoint savept2; -release savepoint `my_savepoint`; -select n from t1; -n -4 -5 -6 -7 -rollback to savepoint `my_savepoint`; -ERROR 42000: SAVEPOINT my_savepoint does not exist -rollback to savepoint savept2; -ERROR 42000: SAVEPOINT savept2 does not exist -insert into t1 values (8); -savepoint sv; -commit; -savepoint sv; -set autocommit=1; -rollback; -drop table t1; -create table t1 (n int not null primary key) engine=innodb; -start transaction; -insert into t1 values (4); -flush tables with read lock; -commit; -unlock tables; -commit; -select * from t1; -n -4 -drop table t1; -create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; -begin; -insert into t1 values(1,'hamdouni'); -select id as afterbegin_id,nom as afterbegin_nom from t1; -afterbegin_id afterbegin_nom -1 hamdouni -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -afterrollback_id afterrollback_nom -set autocommit=0; -insert into t1 values(2,'mysql'); -select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; -afterautocommit0_id afterautocommit0_nom -2 mysql -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -afterrollback_id afterrollback_nom -set autocommit=1; -drop table t1; -CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; -insert into t1 values ('pippo', 12); -insert into t1 values ('pippo', 12); -ERROR 23000: Duplicate entry 'pippo' for key 'PRIMARY' -delete from t1; -delete from t1 where id = 'pippo'; -select * from t1; -id val -insert into t1 values ('pippo', 12); -set autocommit=0; -delete from t1; -rollback; -select * from t1; -id val -pippo 12 -delete from t1; -commit; -select * from t1; -id val -drop table t1; -create table t1 (a integer) engine=innodb; -start transaction; -rename table t1 to t2; -create table t1 (b integer) engine=innodb; -insert into t1 values (1); -rollback; -drop table t1; -rename table t2 to t1; -drop table t1; -set autocommit=1; -CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; -INSERT INTO t1 VALUES (1, 'Jochen'); -select * from t1; -ID NAME -1 Jochen -drop table t1; -CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; -set autocommit=0; -INSERT INTO t1 SET _userid='marc@anyware.co.uk'; -COMMIT; -SELECT * FROM t1; -_userid -marc@anyware.co.uk -SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; -_userid -marc@anyware.co.uk -drop table t1; -set autocommit=1; -CREATE TABLE t1 ( -user_id int(10) DEFAULT '0' NOT NULL, -name varchar(100), -phone varchar(100), -ref_email varchar(100) DEFAULT '' NOT NULL, -detail varchar(200), -PRIMARY KEY (user_id,ref_email) -)engine=innodb; -INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); -select * from t1 where user_id=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); -select * from t1 where user_id=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -select * from t1 where user_id>=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -10293 shirish 2333604 shirish@yahoo.com ddsds -select * from t1 where user_id>10292; -user_id name phone ref_email detail -10293 shirish 2333604 shirish@yahoo.com ddsds -select * from t1 where user_id<10292; -user_id name phone ref_email detail -10291 sanjeev 29153373 sansh777@hotmail.com xxx -drop table t1; -CREATE TABLE t1 (a int not null, b int not null,c int not null, -key(a),primary key(a,b), unique(c),key(a),unique(b)); -show index from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE -t1 0 PRIMARY 2 b A # NULL NULL BTREE -t1 0 c 1 c A # NULL NULL BTREE -t1 0 b 1 b A # NULL NULL BTREE -t1 1 a 1 a A # NULL NULL BTREE -t1 1 a_2 1 a A # NULL NULL BTREE -drop table t1; -create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); -alter table t1 engine=innodb; -insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); -select * from t1; -col1 col2 -1 1 -2 3 -3 4 -4 4 -5 2 -update t1 set col2='7' where col1='4'; -select * from t1; -col1 col2 -1 1 -2 3 -3 4 -4 7 -5 2 -alter table t1 add co3 int not null; -select * from t1; -col1 col2 co3 -1 1 0 -2 3 0 -3 4 0 -4 7 0 -5 2 0 -update t1 set col2='9' where col1='2'; -select * from t1; -col1 col2 co3 -1 1 0 -2 9 0 -3 4 0 -4 7 0 -5 2 0 -drop table t1; -create table t1 (a int not null , b int, primary key (a)) engine = innodb; -create table t2 (a int not null , b int, primary key (a)) engine = myisam; -insert into t1 VALUES (1,3) , (2,3), (3,3); -select * from t1; -a b -1 3 -2 3 -3 3 -insert into t2 select * from t1; -select * from t2; -a b -1 3 -2 3 -3 3 -delete from t1 where b = 3; -select * from t1; -a b -insert into t1 select * from t2; -select * from t1; -a b -1 3 -2 3 -3 3 -select * from t2; -a b -1 3 -2 3 -3 3 -drop table t1,t2; -CREATE TABLE t1 ( -user_name varchar(12), -password text, -subscribed char(1), -user_id int(11) DEFAULT '0' NOT NULL, -quota bigint(20), -weight double, -access_date date, -access_time time, -approved datetime, -dummy_primary_key int(11) NOT NULL auto_increment, -PRIMARY KEY (dummy_primary_key) -) ENGINE=innodb; -INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); -INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); -INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); -INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); -INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); -select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; -user_name password subscribed user_id quota weight access_date access_time approved dummy_primary_key -user_0 somepassword N 0 0 0 2000-09-07 23:06:59 2000-09-07 23:06:59 1 -user_1 somepassword Y 1 1 1 2000-09-07 23:06:59 2000-09-07 23:06:59 2 -user_2 somepassword N 2 2 1.4142135623731 2000-09-07 23:06:59 2000-09-07 23:06:59 3 -user_3 somepassword Y 3 3 1.7320508075689 2000-09-07 23:06:59 2000-09-07 23:06:59 4 -user_4 somepassword N 4 4 2 2000-09-07 23:06:59 2000-09-07 23:06:59 5 -drop table t1; -CREATE TABLE t1 ( -id int(11) NOT NULL auto_increment, -parent_id int(11) DEFAULT '0' NOT NULL, -level tinyint(4) DEFAULT '0' NOT NULL, -KEY (id), -KEY parent_id (parent_id), -KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); -INSERT INTO t1 values (179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -id parent_id level -8 102 2 -9 102 2 -15 102 2 -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -select * from t1; -id parent_id level -1001 100 0 -1003 101 1 -1004 101 1 -1008 102 2 -1024 102 2 -1017 103 2 -1022 104 2 -1024 104 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1203 107 2 -1202 107 2 -1020 103 2 -1157 100 0 -1193 105 2 -1040 107 2 -1002 101 1 -1015 102 2 -1006 101 1 -1034 106 2 -1035 106 2 -1016 103 2 -1007 101 1 -1036 107 2 -1018 103 2 -1026 105 2 -1027 105 2 -1183 104 2 -1038 107 2 -1025 105 2 -1037 107 2 -1021 104 2 -1019 103 2 -1005 101 1 -1179 105 2 -update ignore t1 set id=id+1; -select * from t1; -id parent_id level -1002 100 0 -1004 101 1 -1005 101 1 -1009 102 2 -1025 102 2 -1018 103 2 -1023 104 2 -1025 104 2 -1029 105 2 -1030 105 2 -1031 105 2 -1032 106 2 -1033 106 2 -1034 106 2 -1204 107 2 -1203 107 2 -1021 103 2 -1158 100 0 -1194 105 2 -1041 107 2 -1003 101 1 -1016 102 2 -1007 101 1 -1035 106 2 -1036 106 2 -1017 103 2 -1008 101 1 -1037 107 2 -1019 103 2 -1027 105 2 -1028 105 2 -1184 104 2 -1039 107 2 -1026 105 2 -1038 107 2 -1022 104 2 -1020 103 2 -1006 101 1 -1180 105 2 -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; -id parent_id level -1009 102 2 -1025 102 2 -1016 102 2 -explain select level from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -select level,id from t1 where level=1; -level id -1 1004 -1 1005 -1 1003 -1 1007 -1 1008 -1 1006 -select level,id,parent_id from t1 where level=1; -level id parent_id -1 1004 101 -1 1005 101 -1 1003 101 -1 1007 101 -1 1008 101 -1 1006 101 -select level,id from t1 where level=1 order by id; -level id -1 1003 -1 1004 -1 1005 -1 1006 -1 1007 -1 1008 -delete from t1 where level=1; -select * from t1; -id parent_id level -1002 100 0 -1009 102 2 -1025 102 2 -1018 103 2 -1023 104 2 -1025 104 2 -1029 105 2 -1030 105 2 -1031 105 2 -1032 106 2 -1033 106 2 -1034 106 2 -1204 107 2 -1203 107 2 -1021 103 2 -1158 100 0 -1194 105 2 -1041 107 2 -1016 102 2 -1035 106 2 -1036 106 2 -1017 103 2 -1037 107 2 -1019 103 2 -1027 105 2 -1028 105 2 -1184 104 2 -1039 107 2 -1026 105 2 -1038 107 2 -1022 104 2 -1020 103 2 -1180 105 2 -drop table t1; -CREATE TABLE t1 ( -sca_code char(6) NOT NULL, -cat_code char(6) NOT NULL, -sca_desc varchar(50), -lan_code char(2) NOT NULL, -sca_pic varchar(100), -sca_sdesc varchar(50), -sca_sch_desc varchar(16), -PRIMARY KEY (sca_code, cat_code, lan_code), -INDEX sca_pic (sca_pic) -) engine = innodb ; -INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); -select count(*) from t1 where sca_code = 'PD'; -count(*) -1 -select count(*) from t1 where sca_code <= 'PD'; -count(*) -1 -select count(*) from t1 where sca_pic is null; -count(*) -2 -alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); -ERROR 42000: Incorrect index name 'sca_pic' -alter table t1 drop index sca_pic; -alter table t1 add index sca_pic (cat_code, sca_pic); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -count(*) -1 -select count(*) from t1 where cat_code='E'; -count(*) -0 -alter table t1 drop index sca_pic, add index (sca_pic, cat_code); -ERROR 42000: Incorrect index name 'sca_pic' -alter table t1 drop index sca_pic; -alter table t1 add index (sca_pic, cat_code); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -count(*) -1 -select count(*) from t1 where sca_pic >= 'n'; -count(*) -1 -select sca_pic from t1 where sca_pic is null; -sca_pic -NULL -NULL -update t1 set sca_pic="test" where sca_pic is null; -delete from t1 where sca_code='pd'; -drop table t1; -set @a:=now(); -CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; -insert into t1 (a) values(1),(2),(3); -select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; -a -1 -2 -3 -select a from t1 natural join t1 as t2 where b >= @a order by a; -a -1 -2 -3 -update t1 set a=5 where a=1; -select a from t1; -a -2 -3 -5 -drop table t1; -create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; -insert into t1 values("hello",1),("world",2); -select * from t1 order by b desc; -a b -world 2 -hello 1 -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE -drop table t1; -create table t1 (i int, j int ) ENGINE=innodb; -insert into t1 values (1,2); -select * from t1 where i=1 and j=2; -i j -1 2 -create index ax1 on t1 (i,j); -select * from t1 where i=1 and j=2; -i j -1 2 -drop table t1; -CREATE TABLE t1 ( -a int3 unsigned NOT NULL, -b int1 unsigned NOT NULL, -UNIQUE (a, b) -) ENGINE = innodb; -INSERT INTO t1 VALUES (1, 1); -SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; -MIN(B) MAX(b) -1 1 -drop table t1; -CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; -INSERT INTO t1 VALUES (1); -SELECT * FROM t1; -a -1 -DROP TABLE t1; -create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; -insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); -explain select * from t1 where a > 0 and a < 50; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where -drop table t1; -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' -select id from t1; -id -0 -1 -2 -select id from t1; -id -0 -1 -2 -UNLOCK TABLES; -DROP TABLE t1; -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -begin; -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' -select id from t1; -id -0 -1 -2 -insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); -commit; -select id,id3 from t1; -id id3 -0 0 -1 1 -2 2 -100 2 -UNLOCK TABLES; -DROP TABLE t1; -create table t1 (a char(20), unique (a(5))) engine=innodb; -drop table t1; -create table t1 (a char(20), index (a(5))) engine=innodb; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` char(20) DEFAULT NULL, - KEY `a` (`a`(5)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; -insert into t1 values (NULL),(NULL),(NULL); -delete from t1 where a=3; -insert into t1 values (NULL); -select * from t1; -a -1 -2 -4 -alter table t1 add b int; -select * from t1; -a b -1 NULL -2 NULL -4 NULL -drop table t1; -create table t1 -( -id int auto_increment primary key, -name varchar(32) not null, -value text not null, -uid int not null, -unique key(name,uid) -) engine=innodb; -insert into t1 values (1,'one','one value',101), -(2,'two','two value',102),(3,'three','three value',103); -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -delete from t1 where uid=102; -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -set insert_id=6; -replace into t1 (value,name,uid) values ('other value','two',102); -select * from t1; -id name value uid -1 one one value 101 -3 three three value 103 -6 two other value 102 -drop table t1; -create database mysqltest; -create table mysqltest.t1 (a int not null) engine= innodb; -insert into mysqltest.t1 values(1); -create table mysqltest.t2 (a int not null) engine= myisam; -insert into mysqltest.t2 values(1); -create table mysqltest.t3 (a int not null) engine= heap; -insert into mysqltest.t3 values(1); -commit; -drop database mysqltest; -show tables from mysqltest; -ERROR 42000: Unknown database 'mysqltest' -set autocommit=0; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -commit; -truncate table t1; -truncate table t1; -select * from t1; -a -insert into t1 values(1),(2); -delete from t1; -select * from t1; -a -commit; -drop table t1; -set autocommit=1; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -insert into t1 values(1),(2); -select * from t1; -a -1 -2 -truncate table t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -a -drop table t1; -create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; -insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL # -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort -explain select * from t1 order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort -explain select a from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL # Using index -explain select b from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b,c from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # -drop table t1; -create table t1 (t int not null default 1, key (t)) engine=innodb; -desc t1; -Field Type Null Key Default Extra -t int(11) NO MUL 1 -drop table t1; -CREATE TABLE t1 ( -number bigint(20) NOT NULL default '0', -cname char(15) NOT NULL default '', -carrier_id smallint(6) NOT NULL default '0', -privacy tinyint(4) NOT NULL default '0', -last_mod_date timestamp NOT NULL, -last_mod_id smallint(6) NOT NULL default '0', -last_app_date timestamp NOT NULL, -last_app_id smallint(6) default '-1', -version smallint(6) NOT NULL default '0', -assigned_scps int(11) default '0', -status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); -INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); -INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); -INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); -INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); -INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); -CREATE TABLE t2 ( -number bigint(20) NOT NULL default '0', -cname char(15) NOT NULL default '', -carrier_id smallint(6) NOT NULL default '0', -privacy tinyint(4) NOT NULL default '0', -last_mod_date timestamp NOT NULL, -last_mod_id smallint(6) NOT NULL default '0', -last_app_date timestamp NOT NULL, -last_app_id smallint(6) default '-1', -version smallint(6) NOT NULL default '0', -assigned_scps int(11) default '0', -status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); -INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); -INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); -INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); -select * from t1; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -4077711111 SeanWheeler 90 2 2002-01-11 11:28:46 500 0000-00-00 00:00:00 -1 2 3 1 -9197722223 berry 90 3 2002-01-11 11:28:09 500 2002-01-02 11:45:32 501 4 10 0 -650 San Francisco 0 0 2001-12-27 11:13:36 342 0000-00-00 00:00:00 -1 1 24 1 -302467 Sue's Subshop 90 3 2002-01-09 11:32:41 500 2002-01-02 11:51:11 501 7 24 0 -6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 -333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -4077711111 SeanWheeler 0 2 2002-01-11 11:28:53 500 0000-00-00 00:00:00 -1 2 3 1 -9197722223 berry 90 3 2002-01-11 11:28:18 500 2002-01-02 11:45:32 501 4 10 0 -650 San Francisco 90 0 2002-01-09 11:31:58 342 0000-00-00 00:00:00 -1 1 24 1 -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); -select * from t1; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 -333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -drop table t1,t2; -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -SELECT @@tx_isolation,@@global.tx_isolation; -@@tx_isolation @@global.tx_isolation -SERIALIZABLE REPEATABLE-READ -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -COMMIT; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; -insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -COMMIT; -SET binlog_format='MIXED'; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; -insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -COMMIT; -DROP TABLE t1; -create table t1 (n int(10), d int(10)) engine=innodb; -create table t2 (n int(10), d int(10)) engine=innodb; -insert into t1 values(1,1),(1,2); -insert into t2 values(1,10),(2,20); -UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; -select * from t1; -n d -1 10 -1 10 -select * from t2; -n d -1 30 -2 20 -drop table t1,t2; -drop table if exists t1, t2; -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row -insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); -delete t2 from t2; -ERROR 23000: Duplicate entry '1' for key 'PRIMARY' -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; -count(*) -2 -drop table t1, t2; -drop table if exists t1, t2; -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row -insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); -delete t2 from t2; -ERROR 23000: Duplicate entry '1' for key 'PRIMARY' -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; -count(*) -2 -drop table t1, t2; -create table t1 (a int, b int) engine=innodb; -insert into t1 values(20,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a; -b ifnull(t2.b,"this is null") -NULL this is null -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -b ifnull(t2.b,"this is null") -NULL this is null -insert into t1 values(10,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -b ifnull(t2.b,"this is null") -NULL this is null -NULL this is null -drop table t1; -create table t1 (a varchar(10) not null) engine=myisam; -create table t2 (b varchar(10) not null unique) engine=innodb; -select t1.a from t1,t2 where t1.a=t2.b; -a -drop table t1,t2; -create table t1 (a int not null, b int, primary key (a)) engine = innodb; -create table t2 (a int not null, b int, primary key (a)) engine = innodb; -insert into t1 values (10, 20); -insert into t2 values (10, 20); -update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; -drop table t1,t2; -CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; -insert into t1 set id=1; -insert into t2 set id=1, t1_id=1; -delete t1,t2 from t1,t2 where t1.id=t2.t1_id; -select * from t1; -id -select * from t2; -id t1_id -drop table t2,t1; -CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1, 1); -SELECT * from t1; -id -1 -UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; -SELECT * from t1; -id -2 -UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; -SELECT * from t1; -id -3 -DROP TABLE t1,t2; -set autocommit=0; -CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; -CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; -CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; -INSERT INTO t3 VALUES("my-test-1", "my-test-2"); -COMMIT; -INSERT INTO t1 VALUES("this-key", "will disappear"); -INSERT INTO t2 VALUES("this-key", "will also disappear"); -DELETE FROM t3 WHERE id1="my-test-1"; -SELECT * FROM t1; -id value -this-key will disappear -SELECT * FROM t2; -id value -this-key will also disappear -SELECT * FROM t3; -id1 id2 -ROLLBACK; -SELECT * FROM t1; -id value -SELECT * FROM t2; -id value -SELECT * FROM t3; -id1 id2 -my-test-1 my-test-2 -SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; -id1 id2 -my-test-1 my-test-2 -COMMIT; -set autocommit=1; -DROP TABLE t1,t2,t3; -CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; -SELECT * from t1; -a b -1 1 -102 2 -103 3 -4 4 -5 5 -6 6 -7 7 -8 8 -9 9 -drop table t1; -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -update t1,t2 set t1.a=t1.a+100; -select * from t1; -a b -101 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; -a b -201 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; -a b -201 1 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -a b -201 1 -103 5 -104 6 -106 6 -105 7 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -select * from t2; -a b -1 1 -2 2 -6 6 -7 7 -8 8 -9 9 -3 13 -4 14 -5 15 -drop table t1,t2; -CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; -CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; -SET AUTOCOMMIT=0; -INSERT INTO t1 ( B_ID ) VALUES ( 1 ); -INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); -ROLLBACK; -Warnings: -Warning 1196 Some non-transactional changed tables couldn't be rolled back -SELECT * FROM t1; -B_ID -drop table t1,t2; -create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; -insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); -select distinct parent,child from t1 order by parent; -parent child -0 4 -1 2 -1 3 -2 1 -drop table t1; -create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; -create table t2 (a int not null auto_increment primary key, b int); -insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); -insert into t2 (a) select b from t1; -insert into t1 (b) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -select count(*) from t1; -count(*) -623 -explain select * from t1 where c between 1 and 2500; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range c c 5 NULL # Using where -update t1 set c=a; -explain select * from t1 where c between 1 and 2500; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL c NULL NULL NULL # Using where -drop table t1,t2; -create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; -insert into t1 (id) values (null),(null),(null),(null),(null); -update t1 set fk=69 where fk is null order by id limit 1; -SELECT * from t1; -id fk -2 NULL -3 NULL -4 NULL -5 NULL -1 69 -drop table t1; -create table t1 (a int not null, b int not null, key (a)); -insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); -SET @tmp=0; -update t1 set b=(@tmp:=@tmp+1) order by a; -update t1 set b=99 where a=1 order by b asc limit 1; -update t1 set b=100 where a=1 order by b desc limit 2; -update t1 set a=a+10+b where a=1 order by b; -select * from t1 order by a,b; -a b -2 4 -2 5 -2 6 -3 7 -3 8 -3 9 -3 10 -3 11 -3 12 -13 2 -111 100 -111 100 -drop table t1; -create table t1 ( c char(8) not null ) engine=innodb; -insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); -insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); -alter table t1 add b char(8) not null; -alter table t1 add a char(8) not null; -alter table t1 add primary key (a,b,c); -update t1 set a=c, b=c; -create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; -insert into t2 select * from t1; -delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; -drop table t1,t2; -SET AUTOCOMMIT=1; -create table t1 (a integer auto_increment primary key) engine=innodb; -insert into t1 (a) values (NULL),(NULL); -truncate table t1; -insert into t1 (a) values (NULL),(NULL); -SELECT * from t1; -a -1 -2 -drop table t1; -CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; -drop table t2,t1; -create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; -insert into `t1`values ( 1 ) ; -create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; -insert into `t2`values ( 1 ) ; -create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; -insert into `t3`values ( 1 ) ; -delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) -update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) -update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 42S22: Unknown column 't1.id' in 'where clause' -drop table t3,t2,t1; -create table t1( -id int primary key, -pid int, -index(pid), -foreign key(pid) references t1(id) on delete cascade) engine=innodb; -insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), -(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); -delete from t1 where id=0; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `t1` (`id`) ON DELETE CASCADE) -delete from t1 where id=15; -delete from t1 where id=0; -drop table t1; -CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; -CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx -(stamp))ENGINE=InnoDB; -insert into t1 values (1),(2),(3); -insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); -Warnings: -Warning 1265 Data truncated for column 'stamp' at row 3 -SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < -'20020204120000' GROUP BY col1; -col1 -1 -2 -3 -4 -drop table t1,t2; -CREATE TABLE t1 ( -`id` int(10) unsigned NOT NULL auto_increment, -`id_object` int(10) unsigned default '0', -`id_version` int(10) unsigned NOT NULL default '1', -`label` varchar(100) NOT NULL default '', -`description` text, -PRIMARY KEY (`id`), -KEY `id_object` (`id_object`), -KEY `id_version` (`id_version`) -) ENGINE=InnoDB; -INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); -CREATE TABLE t2 ( -`id` int(10) unsigned NOT NULL auto_increment, -`id_version` int(10) unsigned NOT NULL default '1', -PRIMARY KEY (`id`), -KEY `id_version` (`id_version`) -) ENGINE=InnoDB; -INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); -SELECT t2.id, t1.`label` FROM t2 INNER JOIN -(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl -ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); -id label -3382 Test -102 Le Pekin (Test) -1794 Test de resto -1822 Test 3 -3524 Societe Test -3525 Fournisseur Test -drop table t1,t2; -create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; -create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; -create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; -insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); -insert t2 select * from t1; -insert t3 select * from t1; -checksum table t1, t2, t3, t4 quick; -Table Checksum -test.t1 2948697075 -test.t2 NULL -test.t3 NULL -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -checksum table t1, t2, t3, t4; -Table Checksum -test.t1 2948697075 -test.t2 2948697075 -test.t3 2948697075 -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -checksum table t1, t2, t3, t4 extended; -Table Checksum -test.t1 2948697075 -test.t2 2948697075 -test.t3 2948697075 -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -drop table t1,t2,t3; -create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; -insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); -select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; -trim(name2) -fff -sss -ttt -first -second -third -1 -2 -3 -drop table t1; -create table t1 (a int) engine=innodb; -create table t2 like t1; -drop table t1,t2; -create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; -create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `t1_id_fk` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create index id on t2 (id); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create index id2 on t2 (id); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - KEY `id2` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop index id2 on t2; -drop index id on t2; -ERROR HY000: Cannot drop index 'id': needed in a foreign key constraint -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - KEY `t1_id_fk` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create unique index id on t2 (id,id2); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - KEY `t1_id_fk` (`id2`,`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - KEY `t1_id_fk` (`id2`,`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - PRIMARY KEY (`id`), - KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - KEY `t1_id_fk` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t2 add index id_test (id), add index id_test2 (id,id2); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - KEY `id_test` (`id`), - KEY `id_test2` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; -ERROR 42000: Incorrect foreign key definition for 't1_id_fk': Key reference and table reference don't match -create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL AUTO_INCREMENT, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b_2` (`b`), - KEY `b` (`b`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL AUTO_INCREMENT, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`), - CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2, t1; -create table t1 (c char(10), index (c,c)) engine=innodb; -ERROR 42S21: Duplicate column name 'c' -create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10)) engine=innodb; -alter table t1 add key (c1,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c2,c1,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c1,c2,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c1,c1,c2); -ERROR 42S21: Duplicate column name 'c1' -drop table t1; -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -concat(a, b) -11113333 -drop table t1; -CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; -SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); -ERROR HY000: The used table type doesn't support FULLTEXT indexes -DROP TABLE t1; -CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t1 VALUES (1),(2),(3); -CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), -CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); -SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; -a_id b_list -1 1,2,3 -2 4,5 -3 NULL -DROP TABLE t2; -DROP TABLE t1; -create temporary table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -a -42 -drop table t1; -create table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -a -42 -drop table t1; -create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; -insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); -select * from t1 order by a,b,c,d; -a b c d e -1 1 a 1 1 -2 2 b 2 2 -3 3 ab 3 3 -explain select * from t1 order by a,b,c,d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort -drop table t1; -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -min(a) -4 -select min(b) from t1 where a='8'; -min(b) -6 -drop table t1; -create table t1 (x bigint unsigned not null primary key) engine=innodb; -insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); -select * from t1; -x -18446744073709551600 -18446744073709551601 -select count(*) from t1 where x>0; -count(*) -2 -select count(*) from t1 where x=0; -count(*) -0 -select count(*) from t1 where x<0; -count(*) -0 -select count(*) from t1 where x < -16; -count(*) -0 -select count(*) from t1 where x = -16; -count(*) -0 -explain select count(*) from t1 where x > -16; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 2 Using where; Using index -select count(*) from t1 where x > -16; -count(*) -2 -select * from t1 where x > -16; -x -18446744073709551600 -18446744073709551601 -select count(*) from t1 where x = 18446744073709551601; -count(*) -1 -drop table t1; -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; -variable_value -8191 -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; -variable_value -16384 -SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; -variable_value - @innodb_rows_deleted_orig -71 -SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; -variable_value - @innodb_rows_inserted_orig -1084 -SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; -variable_value - @innodb_rows_updated_orig -885 -SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; -variable_value - @innodb_row_lock_waits_orig -0 -SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; -variable_value - @innodb_row_lock_current_waits_orig -0 -SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; -variable_value - @innodb_row_lock_time_orig -0 -SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; -variable_value - @innodb_row_lock_time_max_orig -0 -SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; -variable_value - @innodb_row_lock_time_avg_orig -0 -SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 30 -set global innodb_sync_spin_loops=1000; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 1000 -set global innodb_sync_spin_loops=0; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 0 -set global innodb_sync_spin_loops=20; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 20 -set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 0 -set global innodb_thread_concurrency=1001; -Warnings: -Warning 1292 Truncated incorrect thread_concurrency value: '1001' -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 1000 -set global innodb_thread_concurrency=0; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 0 -set global innodb_thread_concurrency=16; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 16 -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 500 -set global innodb_concurrency_tickets=1000; -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 1000 -set global innodb_concurrency_tickets=0; -Warnings: -Warning 1292 Truncated incorrect concurrency_tickets value: '0' -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 1 -set global innodb_concurrency_tickets=500; -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 500 -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 10000 -set global innodb_thread_sleep_delay=100000; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 100000 -set global innodb_thread_sleep_delay=0; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 0 -set global innodb_thread_sleep_delay=10000; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 10000 -set storage_engine=INNODB; -set session old_alter_table=1; -drop table if exists t1,t2,t3; ---- Testing varchar --- ---- Testing varchar --- -create table t1 (v varchar(10), c char(10), t text); -insert into t1 values('+ ', '+ ', '+ '); -set @a=repeat(' ',20); -insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a)); -Warnings: -Note 1265 Data truncated for column 'v' at row 1 -select concat('*',v,'*',c,'*',t,'*') from t1; -concat('*',v,'*',c,'*',t,'*') -*+ *+*+ * -*+ *+*+ * -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create table t2 like t1; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create table t3 select * from t1; -show create table t3; -Table Create Table -t3 CREATE TABLE `t3` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify c varchar(10); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify v char(10); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify t varchar(10); -Warnings: -Note 1265 Data truncated for column 't' at row 2 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` varchar(10) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select concat('*',v,'*',c,'*',t,'*') from t1; -concat('*',v,'*',c,'*',t,'*') -*+*+*+ * -*+*+*+ * -drop table t1,t2,t3; -create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10))); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `v` (`v`), - KEY `c` (`c`), - KEY `t` (`t`(10)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1; -count(*) -270 -insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where c='a'; -count(*) -10 -select count(*) from t1 where t='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where c='a '; -count(*) -10 -select count(*) from t1 where t='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where c like 'a%'; -count(*) -11 -select count(*) from t1 where t like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -explain select count(*) from t1 where c='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref c c 11 const # Using where; Using index -explain select count(*) from t1 where t='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref t t 13 const # Using where -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 13 NULL # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -alter table t1 add unique(v); -ERROR 23000: Duplicate entry '{ ' for key 'v_2' -alter table t1 add key(v); -select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; -qq -*a*a*a* -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v,v_2 # 13 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(c) from t1 group by v limit 10; -v count(c) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(c) from t1 group by v limit 10; -v count(c) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select c,count(*) from t1 group by c limit 10; -c count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select c,count(t) from t1 group by c limit 10; -c count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result c,count(t) from t1 group by c limit 10; -c count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select t,count(*) from t1 group by t limit 10; -t count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select t,count(t) from t1 group by t limit 10; -t count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result t,count(t) from t1 group by t limit 10; -t count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(300) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 303 NULL # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 drop key v, add key v (v(30)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(300) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`(30)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 33 NULL # Using where -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 modify v varchar(600), drop key v, add key v (v); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(600) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -drop table t1; -create table t1 (a char(10), unique (a)); -insert into t1 values ('a '); -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a' for key 'a' -alter table t1 modify a varchar(10); -insert into t1 values ('a '),('a '),('a '),('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -update t1 set a='a ' where a like 'a%'; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='abc ' where a like 'a '; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='a ' where a like 'a %'; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='a ' where a like 'a '; -select concat(a,'.') from t1; -concat(a,'.') -a . -drop table t1; -create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5))); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `v` (`v`(5)), - KEY `c` (`c`(5)), - KEY `t` (`t`(5)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v char(10) character set utf8); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) CHARACTER SET utf8 DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v varchar(10), c char(10)) row_format=fixed; -Warnings: -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED -insert into t1 values('a','a'),('a ','a '); -select concat('*',v,'*',c,'*') from t1; -concat('*',v,'*',c,'*') -*a*a* -*a *a* -drop table t1; -create table t1 (v varchar(65530), key(v(10))); -insert into t1 values(repeat('a',65530)); -select length(v) from t1 where v=repeat('a',65530); -length(v) -65530 -drop table t1; -create table t1(a int, b varchar(12), key ba(b, a)); -insert into t1 values (1, 'A'), (20, NULL); -explain select * from t1 where a=20 and b is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index -select * from t1 where a=20 and b is null; -a b -20 NULL -drop table t1; -set session old_alter_table=0; -create table t1 (v varchar(65530), key(v)); -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -drop table t1; -create table t1 (v varchar(65536)); -Warnings: -Note 1246 Converting column 'v' from VARCHAR to TEXT -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` mediumtext -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v varchar(65530) character set utf8); -Warnings: -Note 1246 Converting column 'v' from VARCHAR to TEXT -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` mediumtext CHARACTER SET utf8 -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -set storage_engine=MyISAM; -create table t1 (v varchar(16384)) engine=innodb; -drop table t1; -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -min(a) -4 -select min(b) from t1 where a='8'; -min(b) -6 -drop table t1; -CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; -insert into t1 (b) values (1); -replace into t1 (b) values (2), (1), (3); -select * from t1; -a b -3 1 -2 2 -4 3 -truncate table t1; -insert into t1 (b) values (1); -replace into t1 (b) values (2); -replace into t1 (b) values (1); -replace into t1 (b) values (3); -select * from t1; -a b -3 1 -2 2 -4 3 -drop table t1; -create table t1 (rowid int not null auto_increment, val int not null,primary -key (rowid), unique(val)) engine=innodb; -replace into t1 (val) values ('1'),('2'); -replace into t1 (val) values ('1'),('2'); -insert into t1 (val) values ('1'),('2'); -ERROR 23000: Duplicate entry '1' for key 'val' -select * from t1; -rowid val -3 1 -4 2 -drop table t1; -create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; -insert into t1 (val) values (1); -update t1 set a=2 where a=1; -insert into t1 (val) values (1); -ERROR 23000: Duplicate entry '2' for key 'PRIMARY' -select * from t1; -a val -2 1 -drop table t1; -CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; -INSERT INTO t1 (GRADE) VALUES (151),(252),(343); -SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; -GRADE -252 -SELECT GRADE FROM t1 WHERE GRADE= 151; -GRADE -151 -DROP TABLE t1; -create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; -create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; -insert into t2 values ('aa','cc'); -insert into t1 values ('aa','bb'),('aa','cc'); -delete t1 from t1,t2 where f1=f3 and f4='cc'; -select * from t1; -f1 f2 -drop table t1,t2; -CREATE TABLE t1 ( -id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) -) ENGINE=InnoDB; -CREATE TABLE t2 ( -id INTEGER NOT NULL, -FOREIGN KEY (id) REFERENCES t1 (id) -) ENGINE=InnoDB; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -DELETE FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -DROP TABLE t2, t1; -CREATE TABLE t1 -( -id INT PRIMARY KEY -) ENGINE=InnoDB; -CREATE TEMPORARY TABLE t2 -( -id INT NOT NULL PRIMARY KEY, -b INT, -FOREIGN KEY (b) REFERENCES test.t1(id) -) ENGINE=InnoDB; -Got one of the listed errors -DROP TABLE t1; -create table t1 (col1 varchar(2000), index (col1(767))) -character set = latin1 engine = innodb; -create table t2 (col1 char(255), index (col1)) -character set = latin1 engine = innodb; -create table t3 (col1 binary(255), index (col1)) -character set = latin1 engine = innodb; -create table t4 (col1 varchar(767), index (col1)) -character set = latin1 engine = innodb; -create table t5 (col1 varchar(767) primary key) -character set = latin1 engine = innodb; -create table t6 (col1 varbinary(767) primary key) -character set = latin1 engine = innodb; -create table t7 (col1 text, index(col1(767))) -character set = latin1 engine = innodb; -create table t8 (col1 blob, index(col1(767))) -character set = latin1 engine = innodb; -create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) -character set = latin1 engine = innodb; -show create table t9; -Table Create Table -t9 CREATE TABLE `t9` ( - `col1` varchar(512) DEFAULT NULL, - `col2` varchar(512) DEFAULT NULL, - KEY `col1` (`col1`,`col2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; -create table t1 (col1 varchar(768), index(col1)) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t2 (col1 varbinary(768), index(col1)) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t3 (col1 text, index(col1(768))) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t4 (col1 blob, index(col1(768))) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `col1` varchar(768) DEFAULT NULL, - KEY `col1` (`col1`(767)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2, t3, t4; -create table t1 (col1 varchar(768) primary key) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t2 (col1 varbinary(768) primary key) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t3 (col1 text, primary key(col1(768))) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t4 (col1 blob, primary key(col1(768))) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -CREATE TABLE t1 -( -id INT PRIMARY KEY -) ENGINE=InnoDB; -CREATE TABLE t2 -( -v INT, -CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) -) ENGINE=InnoDB; -INSERT INTO t2 VALUES(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1); -DELETE FROM t1 WHERE id = 1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -DROP TABLE t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails -SET FOREIGN_KEY_CHECKS=0; -DROP TABLE t1; -SET FOREIGN_KEY_CHECKS=1; -INSERT INTO t2 VALUES(3); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -DROP TABLE t2; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=0; -checksum table t1; -Table Checksum -test.t1 1531596814 -insert into t1 values(3); -checksum table t1; -Table Checksum -test.t1 1531596814 -commit; -checksum table t1; -Table Checksum -test.t1 2050879373 -commit; -drop table t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=1; -checksum table t1; -Table Checksum -test.t1 1531596814 -set autocommit=1; -insert into t1 values(3); -checksum table t1; -Table Checksum -test.t1 2050879373 -drop table t1; -set foreign_key_checks=0; -create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; -create table t1(a char(10) primary key, b varchar(20)) engine = innodb; -ERROR HY000: Can't create table 'test.t1' (errno: 150) -set foreign_key_checks=1; -drop table t2; -set foreign_key_checks=0; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; -ERROR HY000: Can't create table 'test.t2' (errno: 150) -set foreign_key_checks=1; -drop table t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; -create table t1(a varchar(10) primary key) engine = innodb; -alter table t1 modify column a int; -Got one of the listed errors -set foreign_key_checks=1; -drop table t2,t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -alter table t1 convert to character set utf8; -set foreign_key_checks=1; -drop table t2,t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; -rename table t3 to t1; -ERROR HY000: Error on rename of './test/t3' to './test/t1' (errno: 150) -set foreign_key_checks=1; -drop table t2,t3; -create table t1(a int primary key) row_format=redundant engine=innodb; -create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; -create table t3(a int primary key) row_format=compact engine=innodb; -create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; -insert into t1 values(1); -insert into t3 values(1); -insert into t2 values(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -insert into t4 values(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -insert into t2 values(1); -insert into t4 values(1); -update t1 set a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -update t2 set a=2; -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -update t3 set a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -update t4 set a=2; -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -truncate t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -truncate t3; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -truncate t2; -truncate t4; -truncate t1; -truncate t3; -drop table t4,t3,t2,t1; -create table t1 (a varchar(255) character set utf8, -b varchar(255) character set utf8, -c varchar(255) character set utf8, -d varchar(255) character set utf8, -key (a,b,c,d)) engine=innodb; -drop table t1; -create table t1 (a varchar(255) character set utf8, -b varchar(255) character set utf8, -c varchar(255) character set utf8, -d varchar(255) character set utf8, -e varchar(255) character set utf8, -key (a,b,c,d,e)) engine=innodb; -ERROR 42000: Specified key was too long; max key length is 3072 bytes -create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; -create table t2 (s1 binary(2),primary key (s1)) engine=innodb; -create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; -create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; -insert into t1 values (0x41),(0x4120),(0x4100); -insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' -insert into t2 values (0x41),(0x4120); -insert into t3 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' -insert into t3 values (0x41),(0x4100); -insert into t4 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' -insert into t4 values (0x41),(0x4100); -select hex(s1) from t1; -hex(s1) -41 -4100 -4120 -select hex(s1) from t2; -hex(s1) -4100 -4120 -select hex(s1) from t3; -hex(s1) -4100 -41 -select hex(s1) from t4; -hex(s1) -4100 -41 -drop table t1,t2,t3,t4; -create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; -create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; -insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); -insert into t2 values(0x42); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -insert into t2 values(0x41); -select hex(s1) from t2; -hex(s1) -4100 -update t1 set s1=0x123456 where a=2; -select hex(s1) from t2; -hex(s1) -4100 -update t1 set s1=0x12 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x12345678 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x123457 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x1220 where a=1; -select hex(s1) from t2; -hex(s1) -1220 -update t1 set s1=0x1200 where a=1; -select hex(s1) from t2; -hex(s1) -1200 -update t1 set s1=0x4200 where a=1; -select hex(s1) from t2; -hex(s1) -4200 -delete from t1 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -delete from t1 where a=2; -update t2 set s1=0x4120; -delete from t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -delete from t1 where a!=3; -select a,hex(s1) from t1; -a hex(s1) -3 4120 -select hex(s1) from t2; -hex(s1) -4120 -drop table t2,t1; -create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; -create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; -insert into t1 values(1,0x4100),(2,0x41); -insert into t2 values(0x41); -select hex(s1) from t2; -hex(s1) -41 -update t1 set s1=0x1234 where a=1; -select hex(s1) from t2; -hex(s1) -41 -update t1 set s1=0x12 where a=2; -select hex(s1) from t2; -hex(s1) -12 -delete from t1 where a=1; -delete from t1 where a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -select a,hex(s1) from t1; -a hex(s1) -2 12 -select hex(s1) from t2; -hex(s1) -12 -drop table t2,t1; -CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; -CREATE TABLE t2(a INT) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; -ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) DEFAULT NULL, - KEY `t2_ibfk_0` (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2,t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -set autocommit = 0; -update t1 set b = 5 where a = 2; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -set autocommit = 0; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -commit; -commit; -drop trigger t1t; -drop table t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); -create trigger t1t before insert on t1 for each row begin -INSERT INTO t2 SET a = NEW.a; -end | -create trigger t2t before insert on t2 for each row begin -DELETE FROM t3 WHERE a = NEW.a; -end | -create trigger t3t before delete on t3 for each row begin -UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | -create trigger t4t before update on t4 for each row begin -UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; -CREATE TABLE t1 ( -field1 varchar(8) NOT NULL DEFAULT '', -field2 varchar(8) NOT NULL DEFAULT '', -PRIMARY KEY (field1, field2) -) ENGINE=InnoDB; -CREATE TABLE t2 ( -field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, -FOREIGN KEY (field1) REFERENCES t1 (field1) -ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB; -INSERT INTO t1 VALUES ('old', 'somevalu'); -INSERT INTO t1 VALUES ('other', 'anyvalue'); -INSERT INTO t2 VALUES ('old'); -INSERT INTO t2 VALUES ('other'); -UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; -ERROR 23000: Upholding foreign key constraints for table 't1', entry 'other-somevalu', key 1 would lead to a duplicate entry -DROP TABLE t2; -DROP TABLE t1; -create table t1 ( -c1 bigint not null, -c2 bigint not null, -primary key (c1), -unique key (c2) -) engine=innodb; -create table t2 ( -c1 bigint not null, -primary key (c1) -) engine=innodb; -alter table t1 add constraint c2_fk foreign key (c2) -references t2(c1) on delete cascade; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL, - `c2` bigint(20) NOT NULL, - PRIMARY KEY (`c1`), - UNIQUE KEY `c2` (`c2`), - CONSTRAINT `c2_fk` FOREIGN KEY (`c2`) REFERENCES `t2` (`c1`) ON DELETE CASCADE -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 drop foreign key c2_fk; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL, - `c2` bigint(20) NOT NULL, - PRIMARY KEY (`c1`), - UNIQUE KEY `c2` (`c2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2; -create table t1(a date) engine=innodb; -create table t2(a date, key(a)) engine=innodb; -insert into t1 values('2005-10-01'); -insert into t2 values('2005-10-01'); -select * from t1, t2 -where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; -a a -2005-10-01 2005-10-01 -drop table t1, t2; -create table t1 (id int not null, f_id int not null, f int not null, -primary key(f_id, id)) engine=innodb; -create table t2 (id int not null,s_id int not null,s varchar(200), -primary key(id)) engine=innodb; -INSERT INTO t1 VALUES (8, 1, 3); -INSERT INTO t1 VALUES (1, 2, 1); -INSERT INTO t2 VALUES (1, 0, ''); -INSERT INTO t2 VALUES (8, 1, ''); -commit; -DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) -WHERE mm.id IS NULL; -select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) -where mm.id is null lock in share mode; -id f_id f -drop table t1,t2; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); -commit; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t1 set b = 5 where b = 1; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -select * from t1 where a = 7 and b = 3 for update; -a b -7 3 -commit; -commit; -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); -commit; -set autocommit = 0; -select * from t1 lock in share mode; -a b -1 1 -2 2 -3 1 -4 2 -5 1 -6 2 -update t1 set b = 5 where b = 1; -set autocommit = 0; -select * from t1 where a = 2 and b = 2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -commit; -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(d int not null, e int, primary key(d)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -d e -3 1 -8 6 -12 1 -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t1 select * from t2; -update t1 set b = (select e from t2 where a = d); -create table t3(d int not null, e int, primary key(d)) engine=innodb -select * from t2; -commit; -commit; -drop table t1, t2, t3; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(a int not null, b int, primary key(a)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -create table t3(d int not null, b int, primary key(d)) engine=innodb; -insert into t3 values (8,6),(12,1),(3,1); -create table t5(a int not null, b int, primary key(a)) engine=innodb; -insert into t5 values (1,2),(5,3),(4,2); -create table t6(d int not null, e int, primary key(d)) engine=innodb; -insert into t6 values (8,6),(12,1),(3,1); -create table t8(a int not null, b int, primary key(a)) engine=innodb; -insert into t8 values (1,2),(5,3),(4,2); -create table t9(d int not null, e int, primary key(d)) engine=innodb; -insert into t9 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -a b -3 1 -8 6 -12 1 -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -insert into t1 select * from t2; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -update t3 set b = (select b from t2 where a = d); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t5 (select * from t2 lock in share mode); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t6 set e = (select b from t2 where a = d lock in share mode); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t8 (select * from t2 for update); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t9 set e = (select b from t2 where a = d for update); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -drop table t1, t2, t3, t5, t6, t8, t9; -CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; -ERROR 42000: Incorrect column name 'DB_ROW_ID' -CREATE TABLE t1 ( -a BIGINT(20) NOT NULL, -PRIMARY KEY (a) -) ENGINE=INNODB DEFAULT CHARSET=UTF8; -CREATE TABLE t2 ( -a BIGINT(20) NOT NULL, -b VARCHAR(128) NOT NULL, -c TEXT NOT NULL, -PRIMARY KEY (a,b), -KEY idx_t2_b_c (b,c(200)), -CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) -ON DELETE CASCADE -) ENGINE=INNODB DEFAULT CHARSET=UTF8; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1, 'bar', 'vbar'); -INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); -INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); -INSERT INTO t2 VALUES (1, 'customer_over', '1'); -SELECT * FROM t2 WHERE b = 'customer_over'; -a b c -1 customer_over 1 -SELECT * FROM t2 WHERE BINARY b = 'customer_over'; -a b c -1 customer_over 1 -SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; -a -1 -/* Bang: Empty result set, above was expected: */ -SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -a -1 -SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -a -1 -drop table t2, t1; -CREATE TABLE t1 ( a int ) ENGINE=innodb; -BEGIN; -INSERT INTO t1 VALUES (1); -OPTIMIZE TABLE t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -DROP TABLE t1; -CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; -CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, -CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) -ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON -DELETE CASCADE ON UPDATE CASCADE; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `f` int(11) NOT NULL, - PRIMARY KEY (`id`), - KEY `f` (`f`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f`) REFERENCES `t1` (`f`) ON DELETE CASCADE ON UPDATE CASCADE, - CONSTRAINT `t2_t1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2, t1; -CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; -CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; -ALTER TABLE t2 MODIFY a INT NOT NULL; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) -DELETE FROM t1; -DROP TABLE t2,t1; -CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) -ENGINE=InnoDB; -INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); -DELETE FROM t1; -INSERT INTO t1 VALUES ('DDD'); -SELECT * FROM t1; -a -DDD -DROP TABLE t1; -CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB -AUTO_INCREMENT=42; -INSERT INTO t1 VALUES (0),(347),(0); -SELECT * FROM t1; -id -42 -347 -348 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`id`) -) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 -CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 VALUES(42),(347),(348); -ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`id`), - CONSTRAINT `t1_t2` FOREIGN KEY (`id`) REFERENCES `t2` (`id`) -) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 -DROP TABLE t1,t2; -set innodb_strict_mode=on; -CREATE TABLE t1 ( -c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), -c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), -c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), -c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), -c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), -c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), -c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), -c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) -) ENGINE = InnoDB; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1( -id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY -) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-10); -SELECT * FROM t1; -id --10 -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -id --10 -1 -DROP TABLE t1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -DROP TABLE IF EXISTS t1, t2; -Warnings: -Note 1051 Unknown table 't1' -Note 1051 Unknown table 't2' -CREATE TABLE t1 ( a int ) ENGINE=InnoDB; -CREATE TABLE t2 LIKE t1; -SELECT * FROM t2; -a -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (1); -COMMIT; -SELECT * FROM t1 WHERE a=1; -a -1 -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -SELECT * FROM t2; -a -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (2); -COMMIT; -SELECT * FROM t1 WHERE a=2; -a -2 -SELECT * FROM t1 WHERE a=2; -a -2 -DROP TABLE t1; -DROP TABLE t2; -create table t1 (i int, j int) engine=innodb; -insert into t1 (i, j) values (1, 1), (2, 2); -update t1 set j = 2; -affected rows: 1 -info: Rows matched: 2 Changed: 1 Warnings: 0 -drop table t1; -create table t1 (id int) comment='this is a comment' engine=innodb; -select table_comment, data_free > 0 as data_free_is_set -from information_schema.tables -where table_schema='test' and table_name = 't1'; -table_comment data_free_is_set -this is a comment 1 -drop table t1; -CREATE TABLE t1 ( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, -c2 VARCHAR(128) NOT NULL, -PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; -CREATE TABLE t2 ( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, -c2 INT(10) UNSIGNED DEFAULT NULL, -PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -AUTO_INCREMENT -200 -ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -AUTO_INCREMENT -200 -DROP TABLE t2; -DROP TABLE t1; -CREATE TABLE t1 (c1 int default NULL, -c2 int default NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -TRUNCATE TABLE t1; -affected rows: 0 -INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); -affected rows: 5 -info: Records: 5 Duplicates: 0 Warnings: 0 -TRUNCATE TABLE t1; -affected rows: 0 -DROP TABLE t1; -Variable_name Value -Handler_update 0 -Variable_name Value -Handler_delete 0 -Variable_name Value -Handler_update 1 -Variable_name Value -Handler_delete 1 diff --git a/perfschema/mysql-test/innodb.test b/perfschema/mysql-test/innodb.test deleted file mode 100644 index 9f9766acd82..00000000000 --- a/perfschema/mysql-test/innodb.test +++ /dev/null @@ -1,2582 +0,0 @@ -####################################################################### -# # -# Please, DO NOT TOUCH this file as well as the innodb.result file. # -# These files are to be modified ONLY BY INNOBASE guys. # -# # -# Use innodb_mysql.[test|result] files instead. # -# # -# If nevertheless you need to make some changes here, please, forward # -# your commit message # -# To: innodb_dev_ww@oracle.com # -# Cc: dev-innodb@mysql.com # -# (otherwise your changes may be erased). # -# # -####################################################################### - --- source include/have_innodb.inc - -let $MYSQLD_DATADIR= `select @@datadir`; - -# Save the original values of some variables in order to be able to -# estimate how much they have changed during the tests. Previously this -# test assumed that e.g. rows_deleted is 0 here and after deleting 23 -# rows it expected that rows_deleted will be 23. Now we do not make -# assumptions about the values of the variables at the beginning, e.g. -# rows_deleted should be 23 + "rows_deleted before the test". This allows -# the test to be run multiple times without restarting the mysqld server. -# See Bug#43309 Test main.innodb can't be run twice --- disable_query_log -SET @innodb_thread_concurrency_orig = @@innodb_thread_concurrency; - -SET @innodb_rows_deleted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'); -SET @innodb_rows_inserted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'); -SET @innodb_rows_updated_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'); -SET @innodb_row_lock_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'); -SET @innodb_row_lock_current_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'); -SET @innodb_row_lock_time_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'); -SET @innodb_row_lock_time_max_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'); -SET @innodb_row_lock_time_avg_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'); --- enable_query_log - ---disable_warnings -drop table if exists t1,t2,t3,t4; -drop database if exists mysqltest; ---enable_warnings - -# -# Small basic test with ignore -# - -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; - -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; - -update ignore t1 set id = 8, name = 'Sinisa' where id < 3; -select id, code, name from t1 order by id; -update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; -select id, code, name from t1 order by id; - -drop table t1; - -# -# A bit bigger test -# The 'replace_column' statements are needed because the cardinality calculated -# by innodb is not always the same between runs -# - -CREATE TABLE t1 ( - id int(11) NOT NULL auto_increment, - parent_id int(11) DEFAULT '0' NOT NULL, - level tinyint(4) DEFAULT '0' NOT NULL, - PRIMARY KEY (id), - KEY parent_id (parent_id), - KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -update t1 set id=id+1000; --- error ER_DUP_ENTRY,1022 -update t1 set id=1024 where id=1009; -select * from t1; -update ignore t1 set id=id+1; # This will change all rows -select * from t1; -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; ---replace_column 9 # -explain select level from t1 where level=1; ---replace_column 9 # -explain select level,id from t1 where level=1; ---replace_column 9 # -explain select level,id,parent_id from t1 where level=1; -select level,id from t1 where level=1; -select level,id,parent_id from t1 where level=1; -optimize table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - -# -# Test replace -# - -CREATE TABLE t1 ( - gesuchnr int(11) DEFAULT '0' NOT NULL, - benutzer_id int(11) DEFAULT '0' NOT NULL, - PRIMARY KEY (gesuchnr,benutzer_id) -) engine=innodb; - -replace into t1 (gesuchnr,benutzer_id) values (2,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -select * from t1; -drop table t1; - -# -# test delete using hidden_primary_key -# - -create table t1 (a int) engine=innodb; -insert into t1 values (1), (2); -optimize table t1; -delete from t1 where a = 1; -select * from t1; -check table t1; -drop table t1; - -create table t1 (a int,b varchar(20)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -delete from t1 where a = 1; -select * from t1; -create index skr on t1 (a); -insert into t1 values (3,""), (4,"testing"); -analyze table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - - -# Test of reading on secondary key with may be null - -create table t1 (a int,b varchar(20),key(a)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -select * from t1 where a = 1; -drop table t1; - -# -# Test rollback -# - -create table t1 (n int not null primary key) engine=innodb; -set autocommit=0; -insert into t1 values (4); -rollback; -select n, "after rollback" from t1; -insert into t1 values (4); -commit; -select n, "after commit" from t1; -commit; -insert into t1 values (5); --- error ER_DUP_ENTRY -insert into t1 values (4); -commit; -select n, "after commit" from t1; -set autocommit=1; -insert into t1 values (6); --- error ER_DUP_ENTRY -insert into t1 values (4); -select n from t1; -set autocommit=0; -# -# savepoints -# -begin; -savepoint `my_savepoint`; -insert into t1 values (7); -savepoint `savept2`; -insert into t1 values (3); -select n from t1; -savepoint savept3; -rollback to savepoint savept2; ---error 1305 -rollback to savepoint savept3; -rollback to savepoint savept2; -release savepoint `my_savepoint`; -select n from t1; --- error 1305 -rollback to savepoint `my_savepoint`; ---error 1305 -rollback to savepoint savept2; -insert into t1 values (8); -savepoint sv; -commit; -savepoint sv; -set autocommit=1; -# nop -rollback; -drop table t1; - -# -# Test for commit and FLUSH TABLES WITH READ LOCK -# - -create table t1 (n int not null primary key) engine=innodb; -start transaction; -insert into t1 values (4); -flush tables with read lock; -# -# Current code can't handle a read lock in middle of transaction -#--error 1223; -commit; -unlock tables; -commit; -select * from t1; -drop table t1; - -# -# Testing transactions -# - -create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; -begin; -insert into t1 values(1,'hamdouni'); -select id as afterbegin_id,nom as afterbegin_nom from t1; -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -set autocommit=0; -insert into t1 values(2,'mysql'); -select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -set autocommit=1; -drop table t1; - -# -# Simple not autocommit test -# - -CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; -insert into t1 values ('pippo', 12); --- error ER_DUP_ENTRY -insert into t1 values ('pippo', 12); # Gives error -delete from t1; -delete from t1 where id = 'pippo'; -select * from t1; - -insert into t1 values ('pippo', 12); -set autocommit=0; -delete from t1; -rollback; -select * from t1; -delete from t1; -commit; -select * from t1; -drop table t1; - -# -# Test of active transactions -# - -create table t1 (a integer) engine=innodb; -start transaction; -rename table t1 to t2; -create table t1 (b integer) engine=innodb; -insert into t1 values (1); -rollback; -drop table t1; -rename table t2 to t1; -drop table t1; -set autocommit=1; - -# -# The following simple tests failed at some point -# - -CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; -INSERT INTO t1 VALUES (1, 'Jochen'); -select * from t1; -drop table t1; - -CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; -set autocommit=0; -INSERT INTO t1 SET _userid='marc@anyware.co.uk'; -COMMIT; -SELECT * FROM t1; -SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; -drop table t1; -set autocommit=1; - -# -# Test when reading on part of unique key -# -CREATE TABLE t1 ( - user_id int(10) DEFAULT '0' NOT NULL, - name varchar(100), - phone varchar(100), - ref_email varchar(100) DEFAULT '' NOT NULL, - detail varchar(200), - PRIMARY KEY (user_id,ref_email) -)engine=innodb; - -INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); -select * from t1 where user_id=10292; -INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); -select * from t1 where user_id=10292; -select * from t1 where user_id>=10292; -select * from t1 where user_id>10292; -select * from t1 where user_id<10292; -drop table t1; - -# -# Test that keys are created in right order -# - -CREATE TABLE t1 (a int not null, b int not null,c int not null, -key(a),primary key(a,b), unique(c),key(a),unique(b)); ---replace_column 7 # -show index from t1; -drop table t1; - -# -# Test of ALTER TABLE and innodb tables -# - -create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); -alter table t1 engine=innodb; -insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); -select * from t1; -update t1 set col2='7' where col1='4'; -select * from t1; -alter table t1 add co3 int not null; -select * from t1; -update t1 set col2='9' where col1='2'; -select * from t1; -drop table t1; - -# -# INSERT INTO innodb tables -# - -create table t1 (a int not null , b int, primary key (a)) engine = innodb; -create table t2 (a int not null , b int, primary key (a)) engine = myisam; -insert into t1 VALUES (1,3) , (2,3), (3,3); -select * from t1; -insert into t2 select * from t1; -select * from t2; -delete from t1 where b = 3; -select * from t1; -insert into t1 select * from t2; -select * from t1; -select * from t2; -drop table t1,t2; - -# -# ORDER BY on not primary key -# - -CREATE TABLE t1 ( - user_name varchar(12), - password text, - subscribed char(1), - user_id int(11) DEFAULT '0' NOT NULL, - quota bigint(20), - weight double, - access_date date, - access_time time, - approved datetime, - dummy_primary_key int(11) NOT NULL auto_increment, - PRIMARY KEY (dummy_primary_key) -) ENGINE=innodb; -INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); -INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); -INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); -INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); -INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); -select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; -drop table t1; - -# -# Testing of tables without primary keys -# - -CREATE TABLE t1 ( - id int(11) NOT NULL auto_increment, - parent_id int(11) DEFAULT '0' NOT NULL, - level tinyint(4) DEFAULT '0' NOT NULL, - KEY (id), - KEY parent_id (parent_id), - KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); -INSERT INTO t1 values (179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -select * from t1; -update ignore t1 set id=id+1; # This will change all rows -select * from t1; -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; ---replace_column 9 # -explain select level from t1 where level=1; -select level,id from t1 where level=1; -select level,id,parent_id from t1 where level=1; -select level,id from t1 where level=1 order by id; -delete from t1 where level=1; -select * from t1; -drop table t1; - -# -# Test of index only reads -# -CREATE TABLE t1 ( - sca_code char(6) NOT NULL, - cat_code char(6) NOT NULL, - sca_desc varchar(50), - lan_code char(2) NOT NULL, - sca_pic varchar(100), - sca_sdesc varchar(50), - sca_sch_desc varchar(16), - PRIMARY KEY (sca_code, cat_code, lan_code), - INDEX sca_pic (sca_pic) -) engine = innodb ; - -INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); -select count(*) from t1 where sca_code = 'PD'; -select count(*) from t1 where sca_code <= 'PD'; -select count(*) from t1 where sca_pic is null; -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); -alter table t1 drop index sca_pic; -alter table t1 add index sca_pic (cat_code, sca_pic); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -select count(*) from t1 where cat_code='E'; - -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t1 drop index sca_pic, add index (sca_pic, cat_code); -alter table t1 drop index sca_pic; -alter table t1 add index (sca_pic, cat_code); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -select count(*) from t1 where sca_pic >= 'n'; -select sca_pic from t1 where sca_pic is null; -update t1 set sca_pic="test" where sca_pic is null; -delete from t1 where sca_code='pd'; -drop table t1; - -# -# Test of opening table twice and timestamps -# -set @a:=now(); -CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; -insert into t1 (a) values(1),(2),(3); -select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; -select a from t1 natural join t1 as t2 where b >= @a order by a; -update t1 set a=5 where a=1; -select a from t1; -drop table t1; - -# -# Test with variable length primary key -# -create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; -insert into t1 values("hello",1),("world",2); -select * from t1 order by b desc; -optimize table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - -# -# Test of create index with NULL columns -# -create table t1 (i int, j int ) ENGINE=innodb; -insert into t1 values (1,2); -select * from t1 where i=1 and j=2; -create index ax1 on t1 (i,j); -select * from t1 where i=1 and j=2; -drop table t1; - -# -# Test min-max optimization -# - -CREATE TABLE t1 ( - a int3 unsigned NOT NULL, - b int1 unsigned NOT NULL, - UNIQUE (a, b) -) ENGINE = innodb; - -INSERT INTO t1 VALUES (1, 1); -SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; -drop table t1; - -# -# Test INSERT DELAYED -# - -CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; -# Can't test this in 3.23 -# INSERT DELAYED INTO t1 VALUES (1); -INSERT INTO t1 VALUES (1); -SELECT * FROM t1; -DROP TABLE t1; - - -# -# Crash when using many tables (Test case by Jeremy D Zawodny) -# - -create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; -insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); ---replace_column 9 # -explain select * from t1 where a > 0 and a < 50; -drop table t1; - -# -# Test lock tables -# - -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; ---error ER_DUP_ENTRY -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -select id from t1; -select id from t1; -UNLOCK TABLES; -DROP TABLE t1; - -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -begin; ---error ER_DUP_ENTRY -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -select id from t1; -insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); -commit; -select id,id3 from t1; -UNLOCK TABLES; -DROP TABLE t1; - -# -# Test prefix key -# -create table t1 (a char(20), unique (a(5))) engine=innodb; -drop table t1; -create table t1 (a char(20), index (a(5))) engine=innodb; -show create table t1; -drop table t1; - -# -# Test using temporary table and auto_increment -# - -create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; -insert into t1 values (NULL),(NULL),(NULL); -delete from t1 where a=3; -insert into t1 values (NULL); -select * from t1; -alter table t1 add b int; -select * from t1; -drop table t1; - -#Slashdot bug -create table t1 - ( - id int auto_increment primary key, - name varchar(32) not null, - value text not null, - uid int not null, - unique key(name,uid) - ) engine=innodb; -insert into t1 values (1,'one','one value',101), - (2,'two','two value',102),(3,'three','three value',103); -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -delete from t1 where uid=102; -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -set insert_id=6; -replace into t1 (value,name,uid) values ('other value','two',102); -select * from t1; -drop table t1; - -# -# Test DROP DATABASE -# - -create database mysqltest; -create table mysqltest.t1 (a int not null) engine= innodb; -insert into mysqltest.t1 values(1); -create table mysqltest.t2 (a int not null) engine= myisam; -insert into mysqltest.t2 values(1); -create table mysqltest.t3 (a int not null) engine= heap; -insert into mysqltest.t3 values(1); -commit; -drop database mysqltest; -# Don't check error message ---error 1049 -show tables from mysqltest; - -# -# Test truncate table with and without auto_commit -# - -set autocommit=0; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -commit; -truncate table t1; -truncate table t1; -select * from t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -commit; -drop table t1; -set autocommit=1; - -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -insert into t1 values(1),(2); -select * from t1; -truncate table t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -drop table t1; - -# -# Test of how ORDER BY works when doing it on the whole table -# - -create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; -insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); ---replace_column 9 # -explain select * from t1 order by a; ---replace_column 9 # -explain select * from t1 order by b; ---replace_column 9 # -explain select * from t1 order by c; ---replace_column 9 # -explain select a from t1 order by a; ---replace_column 9 # -explain select b from t1 order by b; ---replace_column 9 # -explain select a,b from t1 order by b; ---replace_column 9 # -explain select a,b from t1; ---replace_column 9 # -explain select a,b,c from t1; -drop table t1; - -# -# Check describe -# - -create table t1 (t int not null default 1, key (t)) engine=innodb; -desc t1; -drop table t1; - -# -# Test of multi-table-delete -# - -CREATE TABLE t1 ( - number bigint(20) NOT NULL default '0', - cname char(15) NOT NULL default '', - carrier_id smallint(6) NOT NULL default '0', - privacy tinyint(4) NOT NULL default '0', - last_mod_date timestamp NOT NULL, - last_mod_id smallint(6) NOT NULL default '0', - last_app_date timestamp NOT NULL, - last_app_id smallint(6) default '-1', - version smallint(6) NOT NULL default '0', - assigned_scps int(11) default '0', - status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); -INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); -INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); -INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); -INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); -INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); -CREATE TABLE t2 ( - number bigint(20) NOT NULL default '0', - cname char(15) NOT NULL default '', - carrier_id smallint(6) NOT NULL default '0', - privacy tinyint(4) NOT NULL default '0', - last_mod_date timestamp NOT NULL, - last_mod_id smallint(6) NOT NULL default '0', - last_app_date timestamp NOT NULL, - last_app_id smallint(6) default '-1', - version smallint(6) NOT NULL default '0', - assigned_scps int(11) default '0', - status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); -INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); -INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); -INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); -select * from t1; -select * from t2; -delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); -select * from t1; -select * from t2; -select * from t2; -drop table t1,t2; - -# -# A simple test with some isolation levels -# TODO: Make this into a test using replication to really test how -# this works. -# - -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; - -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -SELECT @@tx_isolation,@@global.tx_isolation; -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); -select id, code, name from t1 order by id; -COMMIT; - -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; -insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); -select id, code, name from t1 order by id; -COMMIT; - -SET binlog_format='MIXED'; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; -insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -COMMIT; -DROP TABLE t1; - -# -# Test of multi-table-update -# -create table t1 (n int(10), d int(10)) engine=innodb; -create table t2 (n int(10), d int(10)) engine=innodb; -insert into t1 values(1,1),(1,2); -insert into t2 values(1,10),(2,20); -UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; -select * from t1; -select * from t2; -drop table t1,t2; - -# -# Bug #29136 erred multi-delete on trans table does not rollback -# - -# prepare ---disable_warnings -drop table if exists t1, t2; ---enable_warnings -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row - insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); - - -# exec cases A, B - see multi_update.test - -# A. send_error() w/o send_eof() branch - ---error ER_DUP_ENTRY -delete t2 from t2; - -# check - -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; - -# cleanup bug#29136 - -drop table t1, t2; - - -# -# Bug #29136 erred multi-delete on trans table does not rollback -# - -# prepare ---disable_warnings -drop table if exists t1, t2; ---enable_warnings -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row - insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); - - -# exec cases A, B - see multi_update.test - -# A. send_error() w/o send_eof() branch - ---error ER_DUP_ENTRY -delete t2 from t2; - -# check - -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; - -# cleanup bug#29136 - -drop table t1, t2; - - -# -# Testing of IFNULL -# -create table t1 (a int, b int) engine=innodb; -insert into t1 values(20,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a; -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -insert into t1 values(10,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -drop table t1; - -# -# Test of read_through not existing const_table -# - -create table t1 (a varchar(10) not null) engine=myisam; -create table t2 (b varchar(10) not null unique) engine=innodb; -select t1.a from t1,t2 where t1.a=t2.b; -drop table t1,t2; -create table t1 (a int not null, b int, primary key (a)) engine = innodb; -create table t2 (a int not null, b int, primary key (a)) engine = innodb; -insert into t1 values (10, 20); -insert into t2 values (10, 20); -update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; -drop table t1,t2; - -# -# Test of multi-table-delete with foreign key constraints -# - -CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; -insert into t1 set id=1; -insert into t2 set id=1, t1_id=1; -delete t1,t2 from t1,t2 where t1.id=t2.t1_id; -select * from t1; -select * from t2; -drop table t2,t1; -CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1, 1); -SELECT * from t1; -UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; -SELECT * from t1; -UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; -SELECT * from t1; -DROP TABLE t1,t2; - -# -# Test of range_optimizer -# - -set autocommit=0; - -CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; - -CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; - -CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; - -INSERT INTO t3 VALUES("my-test-1", "my-test-2"); -COMMIT; - -INSERT INTO t1 VALUES("this-key", "will disappear"); -INSERT INTO t2 VALUES("this-key", "will also disappear"); -DELETE FROM t3 WHERE id1="my-test-1"; - -SELECT * FROM t1; -SELECT * FROM t2; -SELECT * FROM t3; -ROLLBACK; - -SELECT * FROM t1; -SELECT * FROM t2; -SELECT * FROM t3; -SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; -COMMIT; -set autocommit=1; -DROP TABLE t1,t2,t3; - -# -# Check update with conflicting key -# - -CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -# We need the a < 1000 test here to quard against the halloween problems -UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; -SELECT * from t1; -drop table t1; - -# -# Test multi update with different join methods -# - -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); - -# Full join, without key -update t1,t2 set t1.a=t1.a+100; -select * from t1; - -# unique key -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; - -# ref key -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; - -# Range key (in t1) -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -select * from t2; - -drop table t1,t2; -CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; -CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; -SET AUTOCOMMIT=0; -INSERT INTO t1 ( B_ID ) VALUES ( 1 ); -INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); -ROLLBACK; -SELECT * FROM t1; -drop table t1,t2; -create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; -insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); -select distinct parent,child from t1 order by parent; -drop table t1; - -# -# Test that MySQL priorities clustered indexes -# -create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; -create table t2 (a int not null auto_increment primary key, b int); -insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); -insert into t2 (a) select b from t1; -insert into t1 (b) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -select count(*) from t1; ---replace_column 9 # -explain select * from t1 where c between 1 and 2500; -update t1 set c=a; ---replace_column 9 # -explain select * from t1 where c between 1 and 2500; -drop table t1,t2; - -# -# Test of UPDATE ... ORDER BY -# - -create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; - -insert into t1 (id) values (null),(null),(null),(null),(null); -update t1 set fk=69 where fk is null order by id limit 1; -SELECT * from t1; -drop table t1; - -create table t1 (a int not null, b int not null, key (a)); -insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); -SET @tmp=0; -update t1 set b=(@tmp:=@tmp+1) order by a; -update t1 set b=99 where a=1 order by b asc limit 1; -update t1 set b=100 where a=1 order by b desc limit 2; -update t1 set a=a+10+b where a=1 order by b; -select * from t1 order by a,b; -drop table t1; - -# -# Test of multi-table-updates (bug #1980). -# - -create table t1 ( c char(8) not null ) engine=innodb; -insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); -insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); - -alter table t1 add b char(8) not null; -alter table t1 add a char(8) not null; -alter table t1 add primary key (a,b,c); -update t1 set a=c, b=c; - -create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; -insert into t2 select * from t1; - -delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; -drop table t1,t2; - -# -# test autoincrement with TRUNCATE -# - -SET AUTOCOMMIT=1; -create table t1 (a integer auto_increment primary key) engine=innodb; -insert into t1 (a) values (NULL),(NULL); -truncate table t1; -insert into t1 (a) values (NULL),(NULL); -SELECT * from t1; -drop table t1; - -# -# Test dictionary handling with spaceand quoting -# - -CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; -#show create table t2; -drop table t2,t1; - -# -# Test of multi updated and foreign keys -# - -create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; -insert into `t1`values ( 1 ) ; -create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; -insert into `t2`values ( 1 ) ; -create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; -insert into `t3`values ( 1 ) ; ---error 1451 -delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; ---error 1451 -update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; ---error 1054 -update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -drop table t3,t2,t1; - -# -# test for recursion depth limit -# -create table t1( - id int primary key, - pid int, - index(pid), - foreign key(pid) references t1(id) on delete cascade) engine=innodb; -insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), - (8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); --- error 1451 -delete from t1 where id=0; -delete from t1 where id=15; -delete from t1 where id=0; - -drop table t1; - -# -# Test timestamps -# - -CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; -CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx -(stamp))ENGINE=InnoDB; -insert into t1 values (1),(2),(3); -# Note that timestamp 3 is wrong -insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); -SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < -'20020204120000' GROUP BY col1; -drop table t1,t2; - -# -# Test by Francois MASUREL -# - -CREATE TABLE t1 ( - `id` int(10) unsigned NOT NULL auto_increment, - `id_object` int(10) unsigned default '0', - `id_version` int(10) unsigned NOT NULL default '1', - `label` varchar(100) NOT NULL default '', - `description` text, - PRIMARY KEY (`id`), - KEY `id_object` (`id_object`), - KEY `id_version` (`id_version`) -) ENGINE=InnoDB; - -INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); - -CREATE TABLE t2 ( - `id` int(10) unsigned NOT NULL auto_increment, - `id_version` int(10) unsigned NOT NULL default '1', - PRIMARY KEY (`id`), - KEY `id_version` (`id_version`) -) ENGINE=InnoDB; - -INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); - -SELECT t2.id, t1.`label` FROM t2 INNER JOIN -(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl -ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); -drop table t1,t2; - -create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; -create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; -create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; -insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); -insert t2 select * from t1; -insert t3 select * from t1; -checksum table t1, t2, t3, t4 quick; -checksum table t1, t2, t3, t4; -checksum table t1, t2, t3, t4 extended; -#show table status; -drop table t1,t2,t3; - -# -# Test problem with refering to different fields in same table in UNION -# (Bug #2552) -# -create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; -insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); -select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; -drop table t1; - -# -# Bug2160 -# -create table t1 (a int) engine=innodb; -create table t2 like t1; -drop table t1,t2; - -# -# Test of automaticly created foreign keys -# - -create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; -create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; -show create table t1; -show create table t2; -create index id on t2 (id); -show create table t2; -create index id2 on t2 (id); -show create table t2; -drop index id2 on t2; ---error ER_DROP_INDEX_FK -drop index id on t2; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; -show create table t2; -create unique index id on t2 (id,id2); -show create table t2; -drop table t2; - -# Check foreign key columns created in different order than key columns -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; -show create table t2; -alter table t2 add index id_test (id), add index id_test2 (id,id2); -show create table t2; -drop table t2; - -# Test error handling - -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' ---error ER_WRONG_FK_DEF -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; - -# bug#3749 - -create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -drop table t2; -create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -drop table t2, t1; - - -# -# Bug #6126: Duplicate columns in keys gives misleading error message -# ---error 1060 -create table t1 (c char(10), index (c,c)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; -create table t1 (c1 char(10), c2 char(10)) engine=innodb; ---error 1060 -alter table t1 add key (c1,c1); ---error 1060 -alter table t1 add key (c2,c1,c1); ---error 1060 -alter table t1 add key (c1,c2,c1); ---error 1060 -alter table t1 add key (c1,c1,c2); -drop table t1; - -# -# Bug #4082: integer truncation -# - -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -drop table t1; - -# -# BUG#7709 test case - Boolean fulltext query against unsupported -# engines does not fail -# - -CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; ---error 1214 -SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); -DROP TABLE t1; - -# -# check null values #1 -# - ---disable_warnings -CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t1 VALUES (1),(2),(3); -CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), - CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; ---enable_warnings -INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); -SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; -DROP TABLE t2; -DROP TABLE t1; - -# -# Bug#11816 - Truncate table doesn't work with temporary innodb tables -# This is not an innodb bug, but we test it using innodb. -# -create temporary table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -drop table t1; -# Show that it works with permanent tables too. -create table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -drop table t1; - -# -# Bug #13025 Server crash during filesort -# - -create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; -insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); -select * from t1 order by a,b,c,d; -explain select * from t1 order by a,b,c,d; -drop table t1; - -# -# BUG#11039,#13218 Wrong key length in min() -# - -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -select min(b) from t1 where a='8'; -drop table t1; - -# End of 4.1 tests - -# -# range optimizer problem -# - -create table t1 (x bigint unsigned not null primary key) engine=innodb; -insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); -select * from t1; -select count(*) from t1 where x>0; -select count(*) from t1 where x=0; -select count(*) from t1 where x<0; -select count(*) from t1 where x < -16; -select count(*) from t1 where x = -16; -explain select count(*) from t1 where x > -16; -select count(*) from t1 where x > -16; -select * from t1 where x > -16; -select count(*) from t1 where x = 18446744073709551601; -drop table t1; - - -# Test for testable InnoDB status variables. This test -# uses previous ones(pages_created, rows_deleted, ...). ---replace_result 8192 8191 -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; -SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; -SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; -SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; - -# Test for row locks InnoDB status variables. -SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; -SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; -SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; -SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; -SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; - -# Test for innodb_sync_spin_loops variable -SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=1000; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=0; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=20; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; - -# Test for innodb_thread_concurrency variable -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=1001; -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=0; -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=16; -show variables like "innodb_thread_concurrency"; - -# Test for innodb_concurrency_tickets variable -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=1000; -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=0; -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=500; -show variables like "innodb_concurrency_tickets"; - -# Test for innodb_thread_sleep_delay variable -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=100000; -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=0; -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=10000; -show variables like "innodb_thread_sleep_delay"; - -# -# Test varchar -# - -let $default=`select @@storage_engine`; -set storage_engine=INNODB; -# this should be fixed by MySQL (see Bug #51451) -set session old_alter_table=1; -source include/varchar.inc; -set session old_alter_table=0; - -# -# Some errors/warnings on create -# - -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' -create table t1 (v varchar(65530), key(v)); -drop table t1; -create table t1 (v varchar(65536)); -show create table t1; -drop table t1; -create table t1 (v varchar(65530) character set utf8); -show create table t1; -drop table t1; - -eval set storage_engine=$default; - -# InnoDB specific varchar tests -create table t1 (v varchar(16384)) engine=innodb; -drop table t1; - -# -# BUG#11039 Wrong key length in min() -# - -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -select min(b) from t1 where a='8'; -drop table t1; - -# -# Bug #11080 & #11005 Multi-row REPLACE fails on a duplicate key error -# - -CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; -insert into t1 (b) values (1); -replace into t1 (b) values (2), (1), (3); -select * from t1; -truncate table t1; -insert into t1 (b) values (1); -replace into t1 (b) values (2); -replace into t1 (b) values (1); -replace into t1 (b) values (3); -select * from t1; -drop table t1; - -create table t1 (rowid int not null auto_increment, val int not null,primary -key (rowid), unique(val)) engine=innodb; -replace into t1 (val) values ('1'),('2'); -replace into t1 (val) values ('1'),('2'); ---error ER_DUP_ENTRY -insert into t1 (val) values ('1'),('2'); -select * from t1; -drop table t1; - -# -# Test that update does not change internal auto-increment value -# - -create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; -insert into t1 (val) values (1); -update t1 set a=2 where a=1; -# We should get the following error because InnoDB does not update the counter ---error ER_DUP_ENTRY -insert into t1 (val) values (1); -select * from t1; -drop table t1; -# -# Bug #10465 -# - ---disable_warnings -CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; ---enable_warnings -INSERT INTO t1 (GRADE) VALUES (151),(252),(343); -SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; -SELECT GRADE FROM t1 WHERE GRADE= 151; -DROP TABLE t1; - -# -# Bug #12340 multitable delete deletes only one record -# -create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; -create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; -insert into t2 values ('aa','cc'); -insert into t1 values ('aa','bb'),('aa','cc'); -delete t1 from t1,t2 where f1=f3 and f4='cc'; -select * from t1; -drop table t1,t2; - -# -# Test that the slow TRUNCATE implementation resets autoincrement columns -# (bug #11946) -# - -CREATE TABLE t1 ( -id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) -) ENGINE=InnoDB; - -CREATE TABLE t2 ( -id INTEGER NOT NULL, -FOREIGN KEY (id) REFERENCES t1 (id) -) ENGINE=InnoDB; - -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; - -# continued from above; test that doing a slow TRUNCATE on a table with 0 -# rows resets autoincrement columns -DELETE FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -DROP TABLE t2, t1; - -# Test that foreign keys in temporary tables are not accepted (bug #12084) -CREATE TABLE t1 -( - id INT PRIMARY KEY -) ENGINE=InnoDB; - ---error 1005,1005 -CREATE TEMPORARY TABLE t2 -( - id INT NOT NULL PRIMARY KEY, - b INT, - FOREIGN KEY (b) REFERENCES test.t1(id) -) ENGINE=InnoDB; -DROP TABLE t1; - -# -# Test that index column max sizes are honored (bug #13315) -# - -# prefix index -create table t1 (col1 varchar(2000), index (col1(767))) - character set = latin1 engine = innodb; - -# normal indexes -create table t2 (col1 char(255), index (col1)) - character set = latin1 engine = innodb; -create table t3 (col1 binary(255), index (col1)) - character set = latin1 engine = innodb; -create table t4 (col1 varchar(767), index (col1)) - character set = latin1 engine = innodb; -create table t5 (col1 varchar(767) primary key) - character set = latin1 engine = innodb; -create table t6 (col1 varbinary(767) primary key) - character set = latin1 engine = innodb; -create table t7 (col1 text, index(col1(767))) - character set = latin1 engine = innodb; -create table t8 (col1 blob, index(col1(767))) - character set = latin1 engine = innodb; - -# multi-column indexes are allowed to be longer -create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) - character set = latin1 engine = innodb; - -show create table t9; - -drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; - -# these should have their index length trimmed -create table t1 (col1 varchar(768), index(col1)) - character set = latin1 engine = innodb; -create table t2 (col1 varbinary(768), index(col1)) - character set = latin1 engine = innodb; -create table t3 (col1 text, index(col1(768))) - character set = latin1 engine = innodb; -create table t4 (col1 blob, index(col1(768))) - character set = latin1 engine = innodb; - -show create table t1; - -drop table t1, t2, t3, t4; - -# these should be refused ---error 1071 -create table t1 (col1 varchar(768) primary key) - character set = latin1 engine = innodb; ---error 1071 -create table t2 (col1 varbinary(768) primary key) - character set = latin1 engine = innodb; ---error 1071 -create table t3 (col1 text, primary key(col1(768))) - character set = latin1 engine = innodb; ---error 1071 -create table t4 (col1 blob, primary key(col1(768))) - character set = latin1 engine = innodb; - -# -# Test improved foreign key error messages (bug #3443) -# - -CREATE TABLE t1 -( - id INT PRIMARY KEY -) ENGINE=InnoDB; - -CREATE TABLE t2 -( - v INT, - CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) -) ENGINE=InnoDB; - ---error 1452 -INSERT INTO t2 VALUES(2); - -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1); - ---error 1451 -DELETE FROM t1 WHERE id = 1; - ---error 1217 -DROP TABLE t1; - -SET FOREIGN_KEY_CHECKS=0; -DROP TABLE t1; -SET FOREIGN_KEY_CHECKS=1; - ---error 1452 -INSERT INTO t2 VALUES(3); - -DROP TABLE t2; -# -# Test that checksum table uses a consistent read Bug #12669 -# -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=0; -checksum table t1; -connection b; -insert into t1 values(3); -connection a; -# -# Here checksum should not see insert -# -checksum table t1; -connection a; -commit; -checksum table t1; -commit; -drop table t1; -# -# autocommit = 1 -# -connection a; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=1; -checksum table t1; -connection b; -set autocommit=1; -insert into t1 values(3); -connection a; -# -# Here checksum sees insert -# -checksum table t1; -drop table t1; - -connection default; -disconnect a; -disconnect b; - -# tests for bugs #9802 and #13778 - -# test that FKs between invalid types are not accepted - -set foreign_key_checks=0; -create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' --- error 1005 -create table t1(a char(10) primary key, b varchar(20)) engine = innodb; -set foreign_key_checks=1; -drop table t2; - -# test that FKs between different charsets are not accepted in CREATE even -# when f_k_c is 0 - -set foreign_key_checks=0; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' --- error 1005 -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; -set foreign_key_checks=1; -drop table t1; - -# test that invalid datatype conversions with ALTER are not allowed - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; -create table t1(a varchar(10) primary key) engine = innodb; --- error 1025,1025 -alter table t1 modify column a int; -set foreign_key_checks=1; -drop table t2,t1; - -# test that charset conversions with ALTER are allowed when f_k_c is 0 - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -alter table t1 convert to character set utf8; -set foreign_key_checks=1; -drop table t2,t1; - -# test that RENAME does not allow invalid charsets when f_k_c is 0 - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' --- error 1025 -rename table t3 to t1; -set foreign_key_checks=1; -drop table t2,t3; - -# test that foreign key errors are reported correctly (Bug #15550) - -create table t1(a int primary key) row_format=redundant engine=innodb; -create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; -create table t3(a int primary key) row_format=compact engine=innodb; -create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; - -insert into t1 values(1); -insert into t3 values(1); --- error 1452 -insert into t2 values(2); --- error 1452 -insert into t4 values(2); -insert into t2 values(1); -insert into t4 values(1); --- error 1451 -update t1 set a=2; --- error 1452 -update t2 set a=2; --- error 1451 -update t3 set a=2; --- error 1452 -update t4 set a=2; --- error 1451 -truncate t1; --- error 1451 -truncate t3; -truncate t2; -truncate t4; -truncate t1; -truncate t3; - -drop table t4,t3,t2,t1; - - -# -# Test that we can create a large (>1K) key -# -create table t1 (a varchar(255) character set utf8, - b varchar(255) character set utf8, - c varchar(255) character set utf8, - d varchar(255) character set utf8, - key (a,b,c,d)) engine=innodb; -drop table t1; ---error ER_TOO_LONG_KEY -create table t1 (a varchar(255) character set utf8, - b varchar(255) character set utf8, - c varchar(255) character set utf8, - d varchar(255) character set utf8, - e varchar(255) character set utf8, - key (a,b,c,d,e)) engine=innodb; - - -# test the padding of BINARY types and collations (Bug #14189) - -create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; -create table t2 (s1 binary(2),primary key (s1)) engine=innodb; -create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; -create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; - -insert into t1 values (0x41),(0x4120),(0x4100); --- error ER_DUP_ENTRY -insert into t2 values (0x41),(0x4120),(0x4100); -insert into t2 values (0x41),(0x4120); --- error ER_DUP_ENTRY -insert into t3 values (0x41),(0x4120),(0x4100); -insert into t3 values (0x41),(0x4100); --- error ER_DUP_ENTRY -insert into t4 values (0x41),(0x4120),(0x4100); -insert into t4 values (0x41),(0x4100); -select hex(s1) from t1; -select hex(s1) from t2; -select hex(s1) from t3; -select hex(s1) from t4; -drop table t1,t2,t3,t4; - -create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; -create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; - -insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); --- error 1452 -insert into t2 values(0x42); -insert into t2 values(0x41); -select hex(s1) from t2; -update t1 set s1=0x123456 where a=2; -select hex(s1) from t2; --- error 1451 -update t1 set s1=0x12 where a=1; --- error 1451 -update t1 set s1=0x12345678 where a=1; --- error 1451 -update t1 set s1=0x123457 where a=1; -update t1 set s1=0x1220 where a=1; -select hex(s1) from t2; -update t1 set s1=0x1200 where a=1; -select hex(s1) from t2; -update t1 set s1=0x4200 where a=1; -select hex(s1) from t2; --- error 1451 -delete from t1 where a=1; -delete from t1 where a=2; -update t2 set s1=0x4120; --- error 1451 -delete from t1; -delete from t1 where a!=3; -select a,hex(s1) from t1; -select hex(s1) from t2; - -drop table t2,t1; - -create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; -create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; - -insert into t1 values(1,0x4100),(2,0x41); -insert into t2 values(0x41); -select hex(s1) from t2; -update t1 set s1=0x1234 where a=1; -select hex(s1) from t2; -update t1 set s1=0x12 where a=2; -select hex(s1) from t2; -delete from t1 where a=1; --- error 1451 -delete from t1 where a=2; -select a,hex(s1) from t1; -select hex(s1) from t2; - -drop table t2,t1; -# Ensure that _ibfk_0 is not mistreated as a -# generated foreign key identifier. (Bug #16387) - -CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; -CREATE TABLE t2(a INT) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; -ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; -SHOW CREATE TABLE t2; -DROP TABLE t2,t1; - -# -# Test case for bug #16229: MySQL/InnoDB uses full explicit table locks in trigger processing -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -connection b; -set autocommit = 0; -update t1 set b = 5 where a = 2; -connection a; -delimiter |; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -delimiter ;| -set autocommit = 0; -connection a; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -connection b; -commit; -connection a; -commit; -drop trigger t1t; -drop table t1; -disconnect a; -disconnect b; -# -# Another trigger test -# -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); - -delimiter |; -create trigger t1t before insert on t1 for each row begin - INSERT INTO t2 SET a = NEW.a; -end | - -create trigger t2t before insert on t2 for each row begin - DELETE FROM t3 WHERE a = NEW.a; -end | - -create trigger t3t before delete on t3 for each row begin - UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | - -create trigger t4t before update on t4 for each row begin - UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -delimiter ;| -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -connection b; -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; -connection default; -disconnect a; -disconnect b; - -# -# Test that cascading updates leading to duplicate keys give the correct -# error message (bug #9680) -# - -CREATE TABLE t1 ( - field1 varchar(8) NOT NULL DEFAULT '', - field2 varchar(8) NOT NULL DEFAULT '', - PRIMARY KEY (field1, field2) -) ENGINE=InnoDB; - -CREATE TABLE t2 ( - field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, - FOREIGN KEY (field1) REFERENCES t1 (field1) - ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB; - -INSERT INTO t1 VALUES ('old', 'somevalu'); -INSERT INTO t1 VALUES ('other', 'anyvalue'); - -INSERT INTO t2 VALUES ('old'); -INSERT INTO t2 VALUES ('other'); - ---error ER_FOREIGN_DUPLICATE_KEY -UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; - -DROP TABLE t2; -DROP TABLE t1; - -# -# Bug#18477 - MySQL/InnoDB Ignoring Foreign Keys in ALTER TABLE -# -create table t1 ( - c1 bigint not null, - c2 bigint not null, - primary key (c1), - unique key (c2) -) engine=innodb; -# -create table t2 ( - c1 bigint not null, - primary key (c1) -) engine=innodb; -# -alter table t1 add constraint c2_fk foreign key (c2) - references t2(c1) on delete cascade; -show create table t1; -# -alter table t1 drop foreign key c2_fk; -show create table t1; -# -drop table t1, t2; - -# -# Bug #14360: problem with intervals -# - -create table t1(a date) engine=innodb; -create table t2(a date, key(a)) engine=innodb; -insert into t1 values('2005-10-01'); -insert into t2 values('2005-10-01'); -select * from t1, t2 - where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; -drop table t1, t2; - -create table t1 (id int not null, f_id int not null, f int not null, -primary key(f_id, id)) engine=innodb; -create table t2 (id int not null,s_id int not null,s varchar(200), -primary key(id)) engine=innodb; -INSERT INTO t1 VALUES (8, 1, 3); -INSERT INTO t1 VALUES (1, 2, 1); -INSERT INTO t2 VALUES (1, 0, ''); -INSERT INTO t2 VALUES (8, 1, ''); -commit; -DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) -WHERE mm.id IS NULL; -select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) -where mm.id is null lock in share mode; -drop table t1,t2; - -# -# Test case where X-locks on unused rows should be released in a -# update (because READ COMMITTED isolation level) -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); -commit; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t1 set b = 5 where b = 1; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -# -# X-lock to record (7,3) should be released in a update -# -select * from t1 where a = 7 and b = 3 for update; -connection a; -commit; -connection b; -commit; -drop table t1; -connection default; -disconnect a; -disconnect b; - -# -# Test case where no locks should be released (because we are not -# using READ COMMITTED isolation level) -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); -commit; -set autocommit = 0; -select * from t1 lock in share mode; -update t1 set b = 5 where b = 1; -connection b; -set autocommit = 0; -# -# S-lock to records (2,2),(4,2), and (6,2) should not be released in a update -# ---error 1205 -select * from t1 where a = 2 and b = 2 for update; -# -# X-lock to record (1,1),(3,1),(5,1) should not be released in a update -# ---error 1205 -connection a; -commit; -connection b; -commit; -connection default; -disconnect a; -disconnect b; -drop table t1; - -# -# Consistent read should be used in following selects -# -# 1) INSERT INTO ... SELECT -# 2) UPDATE ... = ( SELECT ...) -# 3) CREATE ... SELECT - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(d int not null, e int, primary key(d)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t1 select * from t2; -update t1 set b = (select e from t2 where a = d); -create table t3(d int not null, e int, primary key(d)) engine=innodb -select * from t2; -commit; -connection a; -commit; -connection default; -disconnect a; -disconnect b; -drop table t1, t2, t3; - -# -# Consistent read should not be used if -# -# (a) isolation level is serializable OR -# (b) select ... lock in share mode OR -# (c) select ... for update -# -# in following queries: -# -# 1) INSERT INTO ... SELECT -# 2) UPDATE ... = ( SELECT ...) -# 3) CREATE ... SELECT - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connect (c,localhost,root,,); -connect (d,localhost,root,,); -connect (e,localhost,root,,); -connect (f,localhost,root,,); -connect (g,localhost,root,,); -connect (h,localhost,root,,); -connect (i,localhost,root,,); -connect (j,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(a int not null, b int, primary key(a)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -create table t3(d int not null, b int, primary key(d)) engine=innodb; -insert into t3 values (8,6),(12,1),(3,1); -create table t5(a int not null, b int, primary key(a)) engine=innodb; -insert into t5 values (1,2),(5,3),(4,2); -create table t6(d int not null, e int, primary key(d)) engine=innodb; -insert into t6 values (8,6),(12,1),(3,1); -create table t8(a int not null, b int, primary key(a)) engine=innodb; -insert into t8 values (1,2),(5,3),(4,2); -create table t9(d int not null, e int, primary key(d)) engine=innodb; -insert into t9 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -insert into t1 select * from t2; -connection c; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -update t3 set b = (select b from t2 where a = d); -connection d; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; -connection e; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -insert into t5 (select * from t2 lock in share mode); -connection f; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -update t6 set e = (select b from t2 where a = d lock in share mode); -connection g; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; -connection h; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -insert into t8 (select * from t2 for update); -connection i; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -update t9 set e = (select b from t2 where a = d for update); -connection j; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; - -connection b; ---error 1205 -reap; - -connection c; ---error 1205 -reap; - -connection d; ---error 1205 -reap; - -connection e; ---error 1205 -reap; - -connection f; ---error 1205 -reap; - -connection g; ---error 1205 -reap; - -connection h; ---error 1205 -reap; - -connection i; ---error 1205 -reap; - -connection j; ---error 1205 -reap; - -connection a; -commit; - -connection default; -disconnect a; -disconnect b; -disconnect c; -disconnect d; -disconnect e; -disconnect f; -disconnect g; -disconnect h; -disconnect i; -disconnect j; -drop table t1, t2, t3, t5, t6, t8, t9; - -# bug 18934, "InnoDB crashes when table uses column names like DB_ROW_ID" ---error ER_WRONG_COLUMN_NAME -CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; - -# -# Bug #17152: Wrong result with BINARY comparison on aliased column -# - -CREATE TABLE t1 ( - a BIGINT(20) NOT NULL, - PRIMARY KEY (a) - ) ENGINE=INNODB DEFAULT CHARSET=UTF8; - -CREATE TABLE t2 ( - a BIGINT(20) NOT NULL, - b VARCHAR(128) NOT NULL, - c TEXT NOT NULL, - PRIMARY KEY (a,b), - KEY idx_t2_b_c (b,c(200)), - CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) - ON DELETE CASCADE - ) ENGINE=INNODB DEFAULT CHARSET=UTF8; - -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1, 'bar', 'vbar'); -INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); -INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); -INSERT INTO t2 VALUES (1, 'customer_over', '1'); - -SELECT * FROM t2 WHERE b = 'customer_over'; -SELECT * FROM t2 WHERE BINARY b = 'customer_over'; -SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; -/* Bang: Empty result set, above was expected: */ -SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; - -drop table t2, t1; - -# -# Test optimize on table with open transaction -# - -CREATE TABLE t1 ( a int ) ENGINE=innodb; -BEGIN; -INSERT INTO t1 VALUES (1); -OPTIMIZE TABLE t1; -DROP TABLE t1; - -# -# Bug #24741 (existing cascade clauses disappear when adding foreign keys) -# - -CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; - -CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, - CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) - ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; - -ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON -DELETE CASCADE ON UPDATE CASCADE; - -SHOW CREATE TABLE t2; -DROP TABLE t2, t1; - -# -# Bug #25927: Prevent ALTER TABLE ... MODIFY ... NOT NULL on columns -# for which there is a foreign key constraint ON ... SET NULL. -# - -CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; -CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' ---error 1025 -ALTER TABLE t2 MODIFY a INT NOT NULL; -DELETE FROM t1; -DROP TABLE t2,t1; - -# -# Bug #26835: table corruption after delete+insert -# - -CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) -ENGINE=InnoDB; -INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); -DELETE FROM t1; -INSERT INTO t1 VALUES ('DDD'); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug #23313 (AUTO_INCREMENT=# not reported back for InnoDB tables) -# Bug #21404 (AUTO_INCREMENT value reset when Adding FKEY (or ALTER?)) -# - -CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB -AUTO_INCREMENT=42; - -INSERT INTO t1 VALUES (0),(347),(0); -SELECT * FROM t1; - -SHOW CREATE TABLE t1; - -CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 VALUES(42),(347),(348); -ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); -SHOW CREATE TABLE t1; - -DROP TABLE t1,t2; - -# -# Bug #21101 (Prints wrong error message if max row size is too large) -# -set innodb_strict_mode=on; ---error 1118 -CREATE TABLE t1 ( - c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), - c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), - c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), - c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), - c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), - c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), - c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), - c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) - ) ENGINE = InnoDB; - -# -# Bug #31860 InnoDB assumes AUTOINC values can only be positive. -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1( - id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY - ) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-10); -SELECT * FROM t1; -# -# NOTE: The server really needs to be restarted at this point -# for the test to be useful. -# -# Without the fix InnoDB would trip over an assertion here. -INSERT INTO t1 VALUES(NULL); -# The next value should be 1 and not -9 or a -ve number -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug #21409 Incorrect result returned when in READ-COMMITTED with -# query_cache ON -# -CONNECT (c1,localhost,root,,); -CONNECT (c2,localhost,root,,); -CONNECTION c1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -DROP TABLE IF EXISTS t1, t2; -CREATE TABLE t1 ( a int ) ENGINE=InnoDB; -CREATE TABLE t2 LIKE t1; -SELECT * FROM t2; -CONNECTION c2; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (1); -COMMIT; -CONNECTION c1; -SELECT * FROM t1 WHERE a=1; -DISCONNECT c1; -DISCONNECT c2; -CONNECT (c1,localhost,root,,); -CONNECT (c2,localhost,root,,); -CONNECTION c1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -SELECT * FROM t2; -CONNECTION c2; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (2); -COMMIT; -CONNECTION c1; -# The result set below should be the same for both selects -SELECT * FROM t1 WHERE a=2; -SELECT * FROM t1 WHERE a=2; -DROP TABLE t1; -DROP TABLE t2; -DISCONNECT c1; -DISCONNECT c2; -CONNECTION default; - -# -# Bug #29157 UPDATE, changed rows incorrect -# -create table t1 (i int, j int) engine=innodb; -insert into t1 (i, j) values (1, 1), (2, 2); ---enable_info -update t1 set j = 2; ---disable_info -drop table t1; - -# -# Bug #32440 InnoDB free space info does not appear in SHOW TABLE STATUS or -# I_S -# -create table t1 (id int) comment='this is a comment' engine=innodb; -select table_comment, data_free > 0 as data_free_is_set - from information_schema.tables - where table_schema='test' and table_name = 't1'; -drop table t1; - -# -# Bug 34920 test -# -CONNECTION default; -CREATE TABLE t1 ( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, - c2 VARCHAR(128) NOT NULL, - PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; - -CREATE TABLE t2 ( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, - c2 INT(10) UNSIGNED DEFAULT NULL, - PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; - -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -DROP TABLE t2; -DROP TABLE t1; -# End 34920 test -# -# Bug #29507 TRUNCATE shows to many rows effected -# -CONNECTION default; -CREATE TABLE t1 (c1 int default NULL, - c2 int default NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - ---enable_info -TRUNCATE TABLE t1; - -INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); -TRUNCATE TABLE t1; - ---disable_info -DROP TABLE t1; -# -# Bug#35537 Innodb doesn't increment handler_update and handler_delete. -# --- disable_query_log --- disable_result_log - -CONNECT (c1,localhost,root,,); - -DROP TABLE IF EXISTS bug35537; -CREATE TABLE bug35537 ( - c1 int -) ENGINE=InnoDB; - -INSERT INTO bug35537 VALUES (1); - --- enable_result_log - -SHOW SESSION STATUS LIKE 'Handler_update%'; -SHOW SESSION STATUS LIKE 'Handler_delete%'; - -UPDATE bug35537 SET c1 = 2 WHERE c1 = 1; -DELETE FROM bug35537 WHERE c1 = 2; - -SHOW SESSION STATUS LIKE 'Handler_update%'; -SHOW SESSION STATUS LIKE 'Handler_delete%'; - -DROP TABLE bug35537; - -DISCONNECT c1; -CONNECTION default; - -SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig; - --- enable_query_log - -####################################################################### -# # -# Please, DO NOT TOUCH this file as well as the innodb.result file. # -# These files are to be modified ONLY BY INNOBASE guys. # -# # -# Use innodb_mysql.[test|result] files instead. # -# # -# If nevertheless you need to make some changes here, please, forward # -# your commit message # -# To: innodb_dev_ww@oracle.com # -# Cc: dev-innodb@mysql.com # -# (otherwise your changes may be erased). # -# # -####################################################################### diff --git a/perfschema/mysql-test/innodb_bug21704.result b/perfschema/mysql-test/innodb_bug21704.result deleted file mode 100644 index ffbfa8a337e..00000000000 --- a/perfschema/mysql-test/innodb_bug21704.result +++ /dev/null @@ -1,55 +0,0 @@ -# -# Bug#21704: Renaming column does not update FK definition. -# - -# Test that it's not possible to rename columns participating in a -# foreign key (either in the referencing or referenced table). - -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -DROP TABLE IF EXISTS t3; -CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; -CREATE TABLE t2 (a INT PRIMARY KEY, b INT, -CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; -CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, -CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; -INSERT INTO t1 VALUES (1,1),(2,2),(3,3); -INSERT INTO t2 VALUES (1,1),(2,2),(3,3); -INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); - -# Test renaming the column in the referenced table. - -ALTER TABLE t1 CHANGE a c INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t1 CHANGE b c INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Test renaming the column in the referencing table - -ALTER TABLE t2 CHANGE a c INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t2 CHANGE b c INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Test with self-referential constraints - -ALTER TABLE t3 CHANGE a d INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) -ALTER TABLE t3 CHANGE b d INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t3 CHANGE c d INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Cleanup. - -DROP TABLE t3; -DROP TABLE t2; -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb_bug21704.test b/perfschema/mysql-test/innodb_bug21704.test deleted file mode 100644 index c649b61034c..00000000000 --- a/perfschema/mysql-test/innodb_bug21704.test +++ /dev/null @@ -1,96 +0,0 @@ --- source include/have_innodb.inc - ---echo # ---echo # Bug#21704: Renaming column does not update FK definition. ---echo # - ---echo ---echo # Test that it's not possible to rename columns participating in a ---echo # foreign key (either in the referencing or referenced table). ---echo - ---disable_warnings -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -DROP TABLE IF EXISTS t3; ---enable_warnings - -CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; - -CREATE TABLE t2 (a INT PRIMARY KEY, b INT, - CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; - -CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, - CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; - -INSERT INTO t1 VALUES (1,1),(2,2),(3,3); -INSERT INTO t2 VALUES (1,1),(2,2),(3,3); -INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); - ---echo ---echo # Test renaming the column in the referenced table. ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t1 CHANGE a c INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t1 CHANGE b c INT; ---disable_info - ---echo ---echo # Test renaming the column in the referencing table ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t2 CHANGE a c INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t2 CHANGE b c INT; ---disable_info - ---echo ---echo # Test with self-referential constraints ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t3 CHANGE a d INT; - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t3 CHANGE b d INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t3 CHANGE c d INT; ---disable_info - ---echo ---echo # Cleanup. ---echo - -DROP TABLE t3; -DROP TABLE t2; -DROP TABLE t1; diff --git a/perfschema/mysql-test/innodb_bug34053.result b/perfschema/mysql-test/innodb_bug34053.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/perfschema/mysql-test/innodb_bug34053.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug34053.test b/perfschema/mysql-test/innodb_bug34053.test deleted file mode 100644 index b935e45c06d..00000000000 --- a/perfschema/mysql-test/innodb_bug34053.test +++ /dev/null @@ -1,50 +0,0 @@ -# -# Make sure http://bugs.mysql.com/34053 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting success or failure according to our -# expectations --- disable_query_log --- disable_result_log - -GRANT USAGE ON *.* TO 'shane'@'localhost' IDENTIFIED BY '12345'; -FLUSH PRIVILEGES; - --- connect (con1,localhost,shane,12345,) - --- connection con1 --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; -CREATE TABLE innodb_monitorx (a INT) ENGINE=INNODB; -DROP TABLE innodb_monitorx; -CREATE TABLE innodb_monito (a INT) ENGINE=INNODB; -DROP TABLE innodb_monito; -CREATE TABLE xinnodb_monitor (a INT) ENGINE=INNODB; -DROP TABLE xinnodb_monitor; -CREATE TABLE nnodb_monitor (a INT) ENGINE=INNODB; -DROP TABLE nnodb_monitor; - --- connection default -CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; -CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; - --- connection con1 --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -DROP TABLE innodb_monitor; --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -DROP TABLE innodb_mem_validate; - --- connection default -DROP TABLE innodb_monitor; -DROP TABLE innodb_mem_validate; -DROP USER 'shane'@'localhost'; - --- disconnect con1 diff --git a/perfschema/mysql-test/innodb_bug34300.result b/perfschema/mysql-test/innodb_bug34300.result deleted file mode 100644 index ae9fee81ad7..00000000000 --- a/perfschema/mysql-test/innodb_bug34300.result +++ /dev/null @@ -1,4 +0,0 @@ -f4 f8 -xxx zzz -f4 f8 -xxx zzz diff --git a/perfschema/mysql-test/innodb_bug34300.test b/perfschema/mysql-test/innodb_bug34300.test deleted file mode 100644 index 68c385fd72a..00000000000 --- a/perfschema/mysql-test/innodb_bug34300.test +++ /dev/null @@ -1,34 +0,0 @@ -# -# Bug#34300 Tinyblob & tinytext fields currupted after export/import and alter in 5.1 -# http://bugs.mysql.com/34300 -# - --- source include/have_innodb.inc - --- disable_query_log --- disable_result_log - -# set packet size and reconnect -let $max_packet=`select @@global.max_allowed_packet`; -SET @@global.max_allowed_packet=16777216; ---connect (newconn, localhost, root,,) - -DROP TABLE IF EXISTS bug34300; -CREATE TABLE bug34300 ( - f4 TINYTEXT, - f6 MEDIUMTEXT, - f8 TINYBLOB -) ENGINE=InnoDB; - -INSERT INTO bug34300 VALUES ('xxx', repeat('a', 8459264), 'zzz'); - --- enable_result_log - -SELECT f4, f8 FROM bug34300; - -ALTER TABLE bug34300 ADD COLUMN (f10 INT); - -SELECT f4, f8 FROM bug34300; - -DROP TABLE bug34300; -EVAL SET @@global.max_allowed_packet=$max_packet; diff --git a/perfschema/mysql-test/innodb_bug35220.result b/perfschema/mysql-test/innodb_bug35220.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/perfschema/mysql-test/innodb_bug35220.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug35220.test b/perfschema/mysql-test/innodb_bug35220.test deleted file mode 100644 index 26f7d6b1ddd..00000000000 --- a/perfschema/mysql-test/innodb_bug35220.test +++ /dev/null @@ -1,16 +0,0 @@ -# -# Bug#35220 ALTER TABLE too picky on reserved word "foreign" -# http://bugs.mysql.com/35220 -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not produce errors --- disable_query_log --- disable_result_log - -CREATE TABLE bug35220 (foreign_col INT, dummy_cant_delete_all_columns INT); -ALTER TABLE bug35220 DROP foreign_col; -DROP TABLE bug35220; diff --git a/perfschema/mysql-test/innodb_bug36169.result b/perfschema/mysql-test/innodb_bug36169.result deleted file mode 100644 index aa80e4d7aa4..00000000000 --- a/perfschema/mysql-test/innodb_bug36169.result +++ /dev/null @@ -1,2 +0,0 @@ -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=ON; diff --git a/perfschema/mysql-test/innodb_bug36169.test b/perfschema/mysql-test/innodb_bug36169.test deleted file mode 100644 index 5bf55193b5c..00000000000 --- a/perfschema/mysql-test/innodb_bug36169.test +++ /dev/null @@ -1,1159 +0,0 @@ -# -# Bug#36169 create innodb compressed table with too large row size crashed -# http://bugs.mysql.com/36169 -# - --- source include/have_innodb.inc - -let $file_format=`select @@innodb_file_format`; -let $file_per_table=`select @@innodb_file_per_table`; -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=ON; - -# -# The following is copied from http://bugs.mysql.com/36169 -# (http://bugs.mysql.com/file.php?id=9121) -# Probably it can be simplified but that is not obvious. -# - -# we care only that the following SQL commands do produce errors -# as expected and do not crash the server --- disable_query_log --- disable_result_log - -# Generating 10 tables -# Creating a table with 94 columns and 24 indexes -DROP TABLE IF EXISTS `table0`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table0` -(`col0` BOOL, -`col1` BOOL, -`col2` TINYINT, -`col3` DATE, -`col4` TIME, -`col5` SET ('test1','test2','test3'), -`col6` TIME, -`col7` TEXT, -`col8` DECIMAL, -`col9` SET ('test1','test2','test3'), -`col10` FLOAT, -`col11` DOUBLE PRECISION, -`col12` ENUM ('test1','test2','test3'), -`col13` TINYBLOB, -`col14` YEAR, -`col15` SET ('test1','test2','test3'), -`col16` NUMERIC, -`col17` NUMERIC, -`col18` BLOB, -`col19` DATETIME, -`col20` DOUBLE PRECISION, -`col21` DECIMAL, -`col22` DATETIME, -`col23` NUMERIC, -`col24` NUMERIC, -`col25` LONGTEXT, -`col26` TINYBLOB, -`col27` TIME, -`col28` TINYBLOB, -`col29` ENUM ('test1','test2','test3'), -`col30` SMALLINT, -`col31` REAL, -`col32` FLOAT, -`col33` CHAR (175), -`col34` TINYTEXT, -`col35` TINYTEXT, -`col36` TINYBLOB, -`col37` TINYBLOB, -`col38` TINYTEXT, -`col39` MEDIUMBLOB, -`col40` TIMESTAMP, -`col41` DOUBLE, -`col42` SMALLINT, -`col43` LONGBLOB, -`col44` VARCHAR (80), -`col45` MEDIUMTEXT, -`col46` NUMERIC, -`col47` BIGINT, -`col48` DATE, -`col49` TINYBLOB, -`col50` DATE, -`col51` BOOL, -`col52` MEDIUMINT, -`col53` FLOAT, -`col54` TINYBLOB, -`col55` LONGTEXT, -`col56` SMALLINT, -`col57` ENUM ('test1','test2','test3'), -`col58` DATETIME, -`col59` MEDIUMTEXT, -`col60` VARCHAR (232), -`col61` NUMERIC, -`col62` YEAR, -`col63` SMALLINT, -`col64` TIMESTAMP, -`col65` BLOB, -`col66` LONGBLOB, -`col67` INT, -`col68` LONGTEXT, -`col69` ENUM ('test1','test2','test3'), -`col70` INT, -`col71` TIME, -`col72` TIMESTAMP, -`col73` TIMESTAMP, -`col74` VARCHAR (170), -`col75` SET ('test1','test2','test3'), -`col76` TINYBLOB, -`col77` BIGINT, -`col78` NUMERIC, -`col79` DATETIME, -`col80` YEAR, -`col81` NUMERIC, -`col82` LONGBLOB, -`col83` TEXT, -`col84` CHAR (83), -`col85` DECIMAL, -`col86` FLOAT, -`col87` INT, -`col88` VARCHAR (145), -`col89` DATE, -`col90` DECIMAL, -`col91` DECIMAL, -`col92` MEDIUMBLOB, -`col93` TIME, -KEY `idx0` (`col69`,`col90`,`col8`), -KEY `idx1` (`col60`), -KEY `idx2` (`col60`,`col70`,`col74`), -KEY `idx3` (`col22`,`col32`,`col72`,`col30`), -KEY `idx4` (`col29`), -KEY `idx5` (`col19`,`col45`(143)), -KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), -KEY `idx7` (`col48`,`col61`), -KEY `idx8` (`col93`), -KEY `idx9` (`col31`), -KEY `idx10` (`col30`,`col21`), -KEY `idx11` (`col67`), -KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), -KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), -KEY `idx14` (`col78`), -KEY `idx15` (`col63`,`col67`,`col64`), -KEY `idx16` (`col17`,`col86`), -KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), -KEY `idx18` (`col62`), -KEY `idx19` (`col31`,`col57`,`col56`,`col53`), -KEY `idx20` (`col46`), -KEY `idx21` (`col83`(54)), -KEY `idx22` (`col51`,`col7`(120)), -KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 10 columns and 32 indexes -DROP TABLE IF EXISTS `table1`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table1` -(`col0` CHAR (113), -`col1` FLOAT, -`col2` BIGINT, -`col3` DECIMAL, -`col4` BLOB, -`col5` LONGTEXT, -`col6` SET ('test1','test2','test3'), -`col7` BIGINT, -`col8` BIGINT, -`col9` TINYBLOB, -KEY `idx0` (`col5`(101),`col7`,`col8`), -KEY `idx1` (`col8`), -KEY `idx2` (`col4`(177),`col9`(126),`col6`,`col3`), -KEY `idx3` (`col5`(160)), -KEY `idx4` (`col9`(242)), -KEY `idx5` (`col4`(139),`col2`,`col3`), -KEY `idx6` (`col7`), -KEY `idx7` (`col6`,`col2`,`col0`,`col3`), -KEY `idx8` (`col9`(66)), -KEY `idx9` (`col5`(253)), -KEY `idx10` (`col1`,`col7`,`col2`), -KEY `idx11` (`col9`(242),`col0`,`col8`,`col5`(163)), -KEY `idx12` (`col8`), -KEY `idx13` (`col0`,`col9`(37)), -KEY `idx14` (`col0`), -KEY `idx15` (`col5`(111)), -KEY `idx16` (`col8`,`col0`,`col5`(13)), -KEY `idx17` (`col4`(139)), -KEY `idx18` (`col5`(189),`col2`,`col3`,`col9`(136)), -KEY `idx19` (`col0`,`col3`,`col1`,`col8`), -KEY `idx20` (`col8`), -KEY `idx21` (`col0`,`col7`,`col9`(227),`col3`), -KEY `idx22` (`col0`), -KEY `idx23` (`col2`), -KEY `idx24` (`col3`), -KEY `idx25` (`col2`,`col3`), -KEY `idx26` (`col0`), -KEY `idx27` (`col5`(254)), -KEY `idx28` (`col3`), -KEY `idx29` (`col3`), -KEY `idx30` (`col7`,`col3`,`col0`,`col4`(220)), -KEY `idx31` (`col4`(1),`col0`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 141 columns and 18 indexes -DROP TABLE IF EXISTS `table2`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table2` -(`col0` BOOL, -`col1` MEDIUMINT, -`col2` VARCHAR (209), -`col3` MEDIUMBLOB, -`col4` CHAR (13), -`col5` DOUBLE, -`col6` TINYTEXT, -`col7` REAL, -`col8` SMALLINT, -`col9` BLOB, -`col10` TINYINT, -`col11` DECIMAL, -`col12` BLOB, -`col13` DECIMAL, -`col14` LONGBLOB, -`col15` SMALLINT, -`col16` LONGBLOB, -`col17` TINYTEXT, -`col18` FLOAT, -`col19` CHAR (78), -`col20` MEDIUMTEXT, -`col21` SET ('test1','test2','test3'), -`col22` MEDIUMINT, -`col23` INT, -`col24` MEDIUMBLOB, -`col25` ENUM ('test1','test2','test3'), -`col26` TINYBLOB, -`col27` VARCHAR (116), -`col28` TIMESTAMP, -`col29` BLOB, -`col30` SMALLINT, -`col31` DOUBLE PRECISION, -`col32` DECIMAL, -`col33` DECIMAL, -`col34` TEXT, -`col35` MEDIUMINT, -`col36` MEDIUMINT, -`col37` BIGINT, -`col38` VARCHAR (253), -`col39` TINYBLOB, -`col40` MEDIUMBLOB, -`col41` BIGINT, -`col42` DOUBLE, -`col43` TEXT, -`col44` BLOB, -`col45` TIME, -`col46` MEDIUMINT, -`col47` DOUBLE PRECISION, -`col48` SET ('test1','test2','test3'), -`col49` DOUBLE PRECISION, -`col50` VARCHAR (97), -`col51` TEXT, -`col52` NUMERIC, -`col53` ENUM ('test1','test2','test3'), -`col54` MEDIUMTEXT, -`col55` MEDIUMINT, -`col56` DATETIME, -`col57` DATETIME, -`col58` MEDIUMTEXT, -`col59` CHAR (244), -`col60` LONGBLOB, -`col61` MEDIUMBLOB, -`col62` DOUBLE, -`col63` SMALLINT, -`col64` BOOL, -`col65` SMALLINT, -`col66` VARCHAR (212), -`col67` TIME, -`col68` REAL, -`col69` BOOL, -`col70` BIGINT, -`col71` DATE, -`col72` TINYINT, -`col73` ENUM ('test1','test2','test3'), -`col74` DATE, -`col75` TIME, -`col76` DATETIME, -`col77` BOOL, -`col78` TINYTEXT, -`col79` MEDIUMINT, -`col80` NUMERIC, -`col81` LONGTEXT, -`col82` SET ('test1','test2','test3'), -`col83` DOUBLE PRECISION, -`col84` NUMERIC, -`col85` VARCHAR (184), -`col86` DOUBLE PRECISION, -`col87` MEDIUMTEXT, -`col88` MEDIUMBLOB, -`col89` BOOL, -`col90` SMALLINT, -`col91` TINYINT, -`col92` ENUM ('test1','test2','test3'), -`col93` BOOL, -`col94` TIMESTAMP, -`col95` BOOL, -`col96` MEDIUMTEXT, -`col97` DECIMAL, -`col98` BOOL, -`col99` DECIMAL, -`col100` MEDIUMINT, -`col101` DOUBLE PRECISION, -`col102` TINYINT, -`col103` BOOL, -`col104` MEDIUMINT, -`col105` DECIMAL, -`col106` NUMERIC, -`col107` TIMESTAMP, -`col108` MEDIUMBLOB, -`col109` TINYBLOB, -`col110` SET ('test1','test2','test3'), -`col111` YEAR, -`col112` TIMESTAMP, -`col113` CHAR (201), -`col114` BOOL, -`col115` TINYINT, -`col116` DOUBLE, -`col117` TINYINT, -`col118` TIMESTAMP, -`col119` SET ('test1','test2','test3'), -`col120` SMALLINT, -`col121` TINYBLOB, -`col122` TIMESTAMP, -`col123` BLOB, -`col124` DATE, -`col125` SMALLINT, -`col126` ENUM ('test1','test2','test3'), -`col127` MEDIUMBLOB, -`col128` DOUBLE PRECISION, -`col129` REAL, -`col130` VARCHAR (159), -`col131` MEDIUMBLOB, -`col132` BIGINT, -`col133` INT, -`col134` SET ('test1','test2','test3'), -`col135` CHAR (198), -`col136` SET ('test1','test2','test3'), -`col137` MEDIUMTEXT, -`col138` SMALLINT, -`col139` BLOB, -`col140` LONGBLOB, -KEY `idx0` (`col14`(139),`col24`(208),`col38`,`col35`), -KEY `idx1` (`col48`,`col118`,`col29`(131),`col100`), -KEY `idx2` (`col86`,`col67`,`col43`(175)), -KEY `idx3` (`col19`), -KEY `idx4` (`col40`(220),`col67`), -KEY `idx5` (`col99`,`col56`), -KEY `idx6` (`col68`,`col28`,`col137`(157)), -KEY `idx7` (`col51`(160),`col99`,`col45`,`col39`(9)), -KEY `idx8` (`col15`,`col52`,`col90`,`col94`), -KEY `idx9` (`col24`(3),`col139`(248),`col108`(118),`col41`), -KEY `idx10` (`col36`,`col92`,`col114`), -KEY `idx11` (`col115`,`col9`(116)), -KEY `idx12` (`col130`,`col93`,`col134`), -KEY `idx13` (`col123`(65)), -KEY `idx14` (`col44`(90),`col86`,`col119`), -KEY `idx15` (`col69`), -KEY `idx16` (`col132`,`col81`(118),`col18`), -KEY `idx17` (`col24`(250),`col7`,`col92`,`col45`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 199 columns and 1 indexes -DROP TABLE IF EXISTS `table3`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table3` -(`col0` SMALLINT, -`col1` SET ('test1','test2','test3'), -`col2` TINYTEXT, -`col3` DOUBLE, -`col4` NUMERIC, -`col5` DATE, -`col6` BIGINT, -`col7` DOUBLE, -`col8` TEXT, -`col9` INT, -`col10` REAL, -`col11` TINYINT, -`col12` NUMERIC, -`col13` NUMERIC, -`col14` TIME, -`col15` DOUBLE, -`col16` REAL, -`col17` MEDIUMBLOB, -`col18` YEAR, -`col19` TINYTEXT, -`col20` YEAR, -`col21` CHAR (250), -`col22` TINYINT, -`col23` TINYINT, -`col24` SMALLINT, -`col25` DATETIME, -`col26` MEDIUMINT, -`col27` LONGBLOB, -`col28` VARCHAR (106), -`col29` FLOAT, -`col30` MEDIUMTEXT, -`col31` TINYBLOB, -`col32` BIGINT, -`col33` YEAR, -`col34` REAL, -`col35` MEDIUMBLOB, -`col36` LONGTEXT, -`col37` LONGBLOB, -`col38` BIGINT, -`col39` FLOAT, -`col40` TIME, -`col41` DATETIME, -`col42` BOOL, -`col43` BIGINT, -`col44` SMALLINT, -`col45` TIME, -`col46` DOUBLE PRECISION, -`col47` TIME, -`col48` TINYTEXT, -`col49` DOUBLE PRECISION, -`col50` BIGINT, -`col51` NUMERIC, -`col52` TINYBLOB, -`col53` DATE, -`col54` DECIMAL, -`col55` SMALLINT, -`col56` TINYTEXT, -`col57` ENUM ('test1','test2','test3'), -`col58` YEAR, -`col59` TIME, -`col60` TINYINT, -`col61` DECIMAL, -`col62` DOUBLE, -`col63` DATE, -`col64` LONGTEXT, -`col65` DOUBLE, -`col66` VARCHAR (88), -`col67` MEDIUMTEXT, -`col68` DATE, -`col69` MEDIUMINT, -`col70` DECIMAL, -`col71` MEDIUMTEXT, -`col72` LONGTEXT, -`col73` REAL, -`col74` DOUBLE, -`col75` TIME, -`col76` DATE, -`col77` DECIMAL, -`col78` MEDIUMBLOB, -`col79` NUMERIC, -`col80` BIGINT, -`col81` YEAR, -`col82` SMALLINT, -`col83` MEDIUMINT, -`col84` TINYINT, -`col85` MEDIUMBLOB, -`col86` TIME, -`col87` MEDIUMBLOB, -`col88` LONGTEXT, -`col89` BOOL, -`col90` BLOB, -`col91` LONGBLOB, -`col92` YEAR, -`col93` BLOB, -`col94` INT, -`col95` TINYTEXT, -`col96` TINYINT, -`col97` DECIMAL, -`col98` ENUM ('test1','test2','test3'), -`col99` MEDIUMINT, -`col100` TINYINT, -`col101` MEDIUMBLOB, -`col102` TINYINT, -`col103` SET ('test1','test2','test3'), -`col104` TIMESTAMP, -`col105` TEXT, -`col106` DATETIME, -`col107` MEDIUMTEXT, -`col108` CHAR (220), -`col109` TIME, -`col110` VARCHAR (131), -`col111` DECIMAL, -`col112` FLOAT, -`col113` SMALLINT, -`col114` BIGINT, -`col115` LONGBLOB, -`col116` SET ('test1','test2','test3'), -`col117` ENUM ('test1','test2','test3'), -`col118` BLOB, -`col119` MEDIUMTEXT, -`col120` SET ('test1','test2','test3'), -`col121` DATETIME, -`col122` FLOAT, -`col123` VARCHAR (242), -`col124` YEAR, -`col125` MEDIUMBLOB, -`col126` TIME, -`col127` BOOL, -`col128` TINYBLOB, -`col129` DOUBLE, -`col130` TINYINT, -`col131` BIGINT, -`col132` SMALLINT, -`col133` INT, -`col134` DOUBLE PRECISION, -`col135` MEDIUMBLOB, -`col136` SET ('test1','test2','test3'), -`col137` TINYTEXT, -`col138` DOUBLE PRECISION, -`col139` NUMERIC, -`col140` BLOB, -`col141` SET ('test1','test2','test3'), -`col142` INT, -`col143` VARCHAR (26), -`col144` BLOB, -`col145` REAL, -`col146` SET ('test1','test2','test3'), -`col147` LONGBLOB, -`col148` TEXT, -`col149` BLOB, -`col150` CHAR (189), -`col151` LONGTEXT, -`col152` INT, -`col153` FLOAT, -`col154` LONGTEXT, -`col155` DATE, -`col156` LONGBLOB, -`col157` TINYBLOB, -`col158` REAL, -`col159` DATE, -`col160` TIME, -`col161` YEAR, -`col162` DOUBLE, -`col163` VARCHAR (90), -`col164` FLOAT, -`col165` NUMERIC, -`col166` ENUM ('test1','test2','test3'), -`col167` DOUBLE PRECISION, -`col168` DOUBLE PRECISION, -`col169` TINYBLOB, -`col170` TIME, -`col171` SMALLINT, -`col172` TINYTEXT, -`col173` SMALLINT, -`col174` DOUBLE, -`col175` VARCHAR (14), -`col176` VARCHAR (90), -`col177` REAL, -`col178` MEDIUMINT, -`col179` TINYBLOB, -`col180` FLOAT, -`col181` TIMESTAMP, -`col182` REAL, -`col183` DOUBLE PRECISION, -`col184` BIGINT, -`col185` INT, -`col186` MEDIUMTEXT, -`col187` TIME, -`col188` FLOAT, -`col189` TIME, -`col190` INT, -`col191` FLOAT, -`col192` MEDIUMINT, -`col193` TINYINT, -`col194` MEDIUMTEXT, -`col195` DATE, -`col196` TIME, -`col197` YEAR, -`col198` CHAR (206), -KEY `idx0` (`col39`,`col23`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 133 columns and 16 indexes -DROP TABLE IF EXISTS `table4`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table4` -(`col0` VARCHAR (60), -`col1` NUMERIC, -`col2` LONGTEXT, -`col3` MEDIUMTEXT, -`col4` LONGTEXT, -`col5` LONGBLOB, -`col6` LONGBLOB, -`col7` DATETIME, -`col8` TINYTEXT, -`col9` BLOB, -`col10` BOOL, -`col11` BIGINT, -`col12` TEXT, -`col13` VARCHAR (213), -`col14` TINYBLOB, -`col15` BOOL, -`col16` MEDIUMTEXT, -`col17` DOUBLE, -`col18` TEXT, -`col19` BLOB, -`col20` SET ('test1','test2','test3'), -`col21` TINYINT, -`col22` DATETIME, -`col23` TINYINT, -`col24` ENUM ('test1','test2','test3'), -`col25` REAL, -`col26` BOOL, -`col27` FLOAT, -`col28` LONGBLOB, -`col29` DATETIME, -`col30` FLOAT, -`col31` SET ('test1','test2','test3'), -`col32` LONGBLOB, -`col33` NUMERIC, -`col34` YEAR, -`col35` VARCHAR (146), -`col36` BIGINT, -`col37` DATETIME, -`col38` DATE, -`col39` SET ('test1','test2','test3'), -`col40` CHAR (112), -`col41` FLOAT, -`col42` YEAR, -`col43` TIME, -`col44` DOUBLE, -`col45` NUMERIC, -`col46` FLOAT, -`col47` DECIMAL, -`col48` BIGINT, -`col49` DECIMAL, -`col50` YEAR, -`col51` MEDIUMTEXT, -`col52` LONGBLOB, -`col53` SET ('test1','test2','test3'), -`col54` BLOB, -`col55` FLOAT, -`col56` REAL, -`col57` REAL, -`col58` TEXT, -`col59` MEDIUMBLOB, -`col60` INT, -`col61` INT, -`col62` DATE, -`col63` TEXT, -`col64` DATE, -`col65` ENUM ('test1','test2','test3'), -`col66` DOUBLE PRECISION, -`col67` TINYTEXT, -`col68` TINYBLOB, -`col69` FLOAT, -`col70` BLOB, -`col71` DATETIME, -`col72` DOUBLE, -`col73` LONGTEXT, -`col74` TIME, -`col75` DATETIME, -`col76` VARCHAR (122), -`col77` MEDIUMTEXT, -`col78` MEDIUMTEXT, -`col79` BOOL, -`col80` LONGTEXT, -`col81` TINYTEXT, -`col82` NUMERIC, -`col83` DOUBLE PRECISION, -`col84` DATE, -`col85` YEAR, -`col86` BLOB, -`col87` TINYTEXT, -`col88` DOUBLE PRECISION, -`col89` MEDIUMINT, -`col90` MEDIUMTEXT, -`col91` NUMERIC, -`col92` DATETIME, -`col93` NUMERIC, -`col94` SET ('test1','test2','test3'), -`col95` TINYTEXT, -`col96` SET ('test1','test2','test3'), -`col97` YEAR, -`col98` MEDIUMINT, -`col99` TEXT, -`col100` TEXT, -`col101` TIME, -`col102` VARCHAR (225), -`col103` TINYTEXT, -`col104` TEXT, -`col105` MEDIUMTEXT, -`col106` TINYINT, -`col107` TEXT, -`col108` LONGBLOB, -`col109` LONGTEXT, -`col110` TINYTEXT, -`col111` CHAR (56), -`col112` YEAR, -`col113` ENUM ('test1','test2','test3'), -`col114` TINYBLOB, -`col115` DATETIME, -`col116` DATE, -`col117` TIME, -`col118` MEDIUMTEXT, -`col119` DOUBLE PRECISION, -`col120` FLOAT, -`col121` TIMESTAMP, -`col122` MEDIUMINT, -`col123` YEAR, -`col124` DATE, -`col125` TEXT, -`col126` FLOAT, -`col127` TINYTEXT, -`col128` BOOL, -`col129` NUMERIC, -`col130` TIMESTAMP, -`col131` INT, -`col132` MEDIUMBLOB, -KEY `idx0` (`col130`), -KEY `idx1` (`col30`,`col55`,`col19`(31)), -KEY `idx2` (`col104`(186)), -KEY `idx3` (`col131`), -KEY `idx4` (`col64`,`col93`,`col2`(11)), -KEY `idx5` (`col34`,`col121`,`col22`), -KEY `idx6` (`col33`,`col55`,`col83`), -KEY `idx7` (`col17`,`col87`(245),`col99`(17)), -KEY `idx8` (`col65`,`col120`), -KEY `idx9` (`col82`), -KEY `idx10` (`col9`(72)), -KEY `idx11` (`col88`), -KEY `idx12` (`col128`,`col9`(200),`col71`,`col66`), -KEY `idx13` (`col77`(126)), -KEY `idx14` (`col105`(26),`col13`,`col117`), -KEY `idx15` (`col4`(246),`col130`,`col115`,`col3`(141)) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 176 columns and 13 indexes -DROP TABLE IF EXISTS `table5`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table5` -(`col0` MEDIUMTEXT, -`col1` VARCHAR (90), -`col2` TINYTEXT, -`col3` TIME, -`col4` BOOL, -`col5` TINYTEXT, -`col6` BOOL, -`col7` TIMESTAMP, -`col8` TINYBLOB, -`col9` TINYINT, -`col10` YEAR, -`col11` SET ('test1','test2','test3'), -`col12` TEXT, -`col13` CHAR (248), -`col14` BIGINT, -`col15` TEXT, -`col16` TINYINT, -`col17` NUMERIC, -`col18` SET ('test1','test2','test3'), -`col19` LONGBLOB, -`col20` FLOAT, -`col21` INT, -`col22` TEXT, -`col23` BOOL, -`col24` DECIMAL, -`col25` DOUBLE PRECISION, -`col26` FLOAT, -`col27` TINYBLOB, -`col28` NUMERIC, -`col29` MEDIUMBLOB, -`col30` DATE, -`col31` LONGTEXT, -`col32` DATE, -`col33` FLOAT, -`col34` BIGINT, -`col35` TINYTEXT, -`col36` MEDIUMTEXT, -`col37` TIME, -`col38` INT, -`col39` TINYINT, -`col40` SET ('test1','test2','test3'), -`col41` CHAR (130), -`col42` SMALLINT, -`col43` INT, -`col44` MEDIUMTEXT, -`col45` VARCHAR (126), -`col46` INT, -`col47` DOUBLE PRECISION, -`col48` BIGINT, -`col49` MEDIUMTEXT, -`col50` TINYBLOB, -`col51` MEDIUMINT, -`col52` TEXT, -`col53` VARCHAR (208), -`col54` VARCHAR (207), -`col55` NUMERIC, -`col56` DATETIME, -`col57` ENUM ('test1','test2','test3'), -`col58` NUMERIC, -`col59` TINYBLOB, -`col60` VARCHAR (73), -`col61` MEDIUMTEXT, -`col62` TINYBLOB, -`col63` DATETIME, -`col64` NUMERIC, -`col65` MEDIUMINT, -`col66` DATETIME, -`col67` NUMERIC, -`col68` TINYINT, -`col69` VARCHAR (58), -`col70` DECIMAL, -`col71` MEDIUMTEXT, -`col72` DATE, -`col73` TIME, -`col74` DOUBLE PRECISION, -`col75` DECIMAL, -`col76` MEDIUMBLOB, -`col77` REAL, -`col78` YEAR, -`col79` YEAR, -`col80` LONGBLOB, -`col81` BLOB, -`col82` BIGINT, -`col83` ENUM ('test1','test2','test3'), -`col84` NUMERIC, -`col85` SET ('test1','test2','test3'), -`col86` MEDIUMTEXT, -`col87` LONGBLOB, -`col88` TIME, -`col89` ENUM ('test1','test2','test3'), -`col90` DECIMAL, -`col91` FLOAT, -`col92` DATETIME, -`col93` TINYTEXT, -`col94` TIMESTAMP, -`col95` TIMESTAMP, -`col96` TEXT, -`col97` REAL, -`col98` VARCHAR (198), -`col99` TIME, -`col100` TINYINT, -`col101` BIGINT, -`col102` LONGBLOB, -`col103` LONGBLOB, -`col104` MEDIUMINT, -`col105` MEDIUMTEXT, -`col106` TIMESTAMP, -`col107` SMALLINT, -`col108` NUMERIC, -`col109` DECIMAL, -`col110` FLOAT, -`col111` DECIMAL, -`col112` REAL, -`col113` TINYTEXT, -`col114` FLOAT, -`col115` VARCHAR (7), -`col116` LONGTEXT, -`col117` DATE, -`col118` BIGINT, -`col119` TEXT, -`col120` BIGINT, -`col121` BLOB, -`col122` CHAR (110), -`col123` NUMERIC, -`col124` MEDIUMBLOB, -`col125` NUMERIC, -`col126` NUMERIC, -`col127` BOOL, -`col128` TIME, -`col129` TINYBLOB, -`col130` TINYBLOB, -`col131` DATE, -`col132` INT, -`col133` VARCHAR (123), -`col134` CHAR (238), -`col135` VARCHAR (225), -`col136` LONGTEXT, -`col137` LONGBLOB, -`col138` REAL, -`col139` TINYBLOB, -`col140` DATETIME, -`col141` TINYTEXT, -`col142` LONGBLOB, -`col143` BIGINT, -`col144` VARCHAR (236), -`col145` TEXT, -`col146` YEAR, -`col147` DECIMAL, -`col148` TEXT, -`col149` MEDIUMBLOB, -`col150` TINYINT, -`col151` BOOL, -`col152` VARCHAR (72), -`col153` INT, -`col154` VARCHAR (165), -`col155` TINYINT, -`col156` MEDIUMTEXT, -`col157` DOUBLE PRECISION, -`col158` TIME, -`col159` MEDIUMBLOB, -`col160` LONGBLOB, -`col161` DATETIME, -`col162` DOUBLE PRECISION, -`col163` BLOB, -`col164` ENUM ('test1','test2','test3'), -`col165` TIMESTAMP, -`col166` DATE, -`col167` TINYBLOB, -`col168` TINYBLOB, -`col169` LONGBLOB, -`col170` DATETIME, -`col171` BIGINT, -`col172` VARCHAR (30), -`col173` LONGTEXT, -`col174` TIME, -`col175` FLOAT, -KEY `idx0` (`col16`,`col156`(139),`col97`,`col120`), -KEY `idx1` (`col24`,`col0`(108)), -KEY `idx2` (`col117`,`col173`(34),`col132`,`col82`), -KEY `idx3` (`col2`(86)), -KEY `idx4` (`col2`(43)), -KEY `idx5` (`col83`,`col35`(87),`col111`), -KEY `idx6` (`col6`,`col134`,`col92`), -KEY `idx7` (`col56`), -KEY `idx8` (`col30`,`col53`,`col129`(66)), -KEY `idx9` (`col53`,`col113`(211),`col32`,`col15`(75)), -KEY `idx10` (`col34`), -KEY `idx11` (`col126`), -KEY `idx12` (`col24`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 179 columns and 46 indexes -DROP TABLE IF EXISTS `table6`; --- error ER_TOO_BIG_ROWSIZE ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table6` -(`col0` ENUM ('test1','test2','test3'), -`col1` MEDIUMBLOB, -`col2` MEDIUMBLOB, -`col3` DATETIME, -`col4` DATE, -`col5` YEAR, -`col6` REAL, -`col7` NUMERIC, -`col8` MEDIUMBLOB, -`col9` TEXT, -`col10` TIMESTAMP, -`col11` DOUBLE, -`col12` DOUBLE, -`col13` SMALLINT, -`col14` TIMESTAMP, -`col15` DECIMAL, -`col16` DATE, -`col17` TEXT, -`col18` LONGBLOB, -`col19` BIGINT, -`col20` FLOAT, -`col21` DATETIME, -`col22` TINYINT, -`col23` MEDIUMBLOB, -`col24` SET ('test1','test2','test3'), -`col25` TIME, -`col26` TEXT, -`col27` LONGTEXT, -`col28` BIGINT, -`col29` REAL, -`col30` YEAR, -`col31` MEDIUMBLOB, -`col32` MEDIUMINT, -`col33` FLOAT, -`col34` TEXT, -`col35` DATE, -`col36` TIMESTAMP, -`col37` REAL, -`col38` BLOB, -`col39` BLOB, -`col40` BLOB, -`col41` TINYBLOB, -`col42` INT, -`col43` TINYINT, -`col44` REAL, -`col45` BIGINT, -`col46` TIMESTAMP, -`col47` BLOB, -`col48` ENUM ('test1','test2','test3'), -`col49` BOOL, -`col50` CHAR (109), -`col51` DOUBLE, -`col52` DOUBLE PRECISION, -`col53` ENUM ('test1','test2','test3'), -`col54` FLOAT, -`col55` DOUBLE PRECISION, -`col56` CHAR (166), -`col57` TEXT, -`col58` TIME, -`col59` DECIMAL, -`col60` TEXT, -`col61` ENUM ('test1','test2','test3'), -`col62` LONGTEXT, -`col63` YEAR, -`col64` DOUBLE, -`col65` CHAR (87), -`col66` DATE, -`col67` BOOL, -`col68` MEDIUMBLOB, -`col69` DATETIME, -`col70` DECIMAL, -`col71` TIME, -`col72` REAL, -`col73` LONGTEXT, -`col74` BLOB, -`col75` REAL, -`col76` INT, -`col77` INT, -`col78` FLOAT, -`col79` DOUBLE, -`col80` MEDIUMINT, -`col81` ENUM ('test1','test2','test3'), -`col82` VARCHAR (221), -`col83` BIGINT, -`col84` TINYINT, -`col85` BIGINT, -`col86` FLOAT, -`col87` MEDIUMBLOB, -`col88` CHAR (126), -`col89` MEDIUMBLOB, -`col90` DATETIME, -`col91` TINYINT, -`col92` DOUBLE, -`col93` NUMERIC, -`col94` DATE, -`col95` BLOB, -`col96` DATETIME, -`col97` TIME, -`col98` LONGBLOB, -`col99` INT, -`col100` SET ('test1','test2','test3'), -`col101` TINYBLOB, -`col102` INT, -`col103` MEDIUMBLOB, -`col104` MEDIUMTEXT, -`col105` FLOAT, -`col106` TINYBLOB, -`col107` VARCHAR (26), -`col108` TINYINT, -`col109` TIME, -`col110` TINYBLOB, -`col111` LONGBLOB, -`col112` TINYTEXT, -`col113` FLOAT, -`col114` TINYINT, -`col115` NUMERIC, -`col116` TIME, -`col117` SET ('test1','test2','test3'), -`col118` DATE, -`col119` SMALLINT, -`col120` BLOB, -`col121` TINYTEXT, -`col122` REAL, -`col123` YEAR, -`col124` REAL, -`col125` BOOL, -`col126` BLOB, -`col127` REAL, -`col128` MEDIUMBLOB, -`col129` TIMESTAMP, -`col130` LONGBLOB, -`col131` MEDIUMBLOB, -`col132` YEAR, -`col133` YEAR, -`col134` INT, -`col135` MEDIUMINT, -`col136` MEDIUMINT, -`col137` TINYTEXT, -`col138` TINYBLOB, -`col139` BLOB, -`col140` SET ('test1','test2','test3'), -`col141` ENUM ('test1','test2','test3'), -`col142` ENUM ('test1','test2','test3'), -`col143` TINYTEXT, -`col144` DATETIME, -`col145` TEXT, -`col146` DOUBLE PRECISION, -`col147` DECIMAL, -`col148` MEDIUMTEXT, -`col149` TINYTEXT, -`col150` SET ('test1','test2','test3'), -`col151` MEDIUMTEXT, -`col152` CHAR (126), -`col153` DOUBLE, -`col154` CHAR (243), -`col155` SET ('test1','test2','test3'), -`col156` SET ('test1','test2','test3'), -`col157` DATETIME, -`col158` DOUBLE, -`col159` NUMERIC, -`col160` DECIMAL, -`col161` FLOAT, -`col162` LONGBLOB, -`col163` LONGTEXT, -`col164` INT, -`col165` TIME, -`col166` CHAR (27), -`col167` VARCHAR (63), -`col168` TEXT, -`col169` TINYBLOB, -`col170` TINYBLOB, -`col171` ENUM ('test1','test2','test3'), -`col172` INT, -`col173` TIME, -`col174` DECIMAL, -`col175` DOUBLE, -`col176` MEDIUMBLOB, -`col177` LONGBLOB, -`col178` CHAR (43), -KEY `idx0` (`col131`(219)), -KEY `idx1` (`col67`,`col122`,`col59`,`col87`(33)), -KEY `idx2` (`col83`,`col42`,`col57`(152)), -KEY `idx3` (`col106`(124)), -KEY `idx4` (`col173`,`col80`,`col165`,`col89`(78)), -KEY `idx5` (`col174`,`col145`(108),`col23`(228),`col141`), -KEY `idx6` (`col157`,`col140`), -KEY `idx7` (`col130`(188),`col15`), -KEY `idx8` (`col52`), -KEY `idx9` (`col144`), -KEY `idx10` (`col155`), -KEY `idx11` (`col62`(230),`col1`(109)), -KEY `idx12` (`col151`(24),`col95`(85)), -KEY `idx13` (`col114`), -KEY `idx14` (`col42`,`col98`(56),`col146`), -KEY `idx15` (`col147`,`col39`(254),`col35`), -KEY `idx16` (`col79`), -KEY `idx17` (`col65`), -KEY `idx18` (`col149`(165),`col168`(119),`col32`,`col117`), -KEY `idx19` (`col64`), -KEY `idx20` (`col93`), -KEY `idx21` (`col64`,`col113`,`col104`(182)), -KEY `idx22` (`col52`,`col111`(189)), -KEY `idx23` (`col45`), -KEY `idx24` (`col154`,`col107`,`col110`(159)), -KEY `idx25` (`col149`(1),`col87`(131)), -KEY `idx26` (`col58`,`col115`,`col63`), -KEY `idx27` (`col95`(9),`col0`,`col87`(113)), -KEY `idx28` (`col92`,`col130`(1)), -KEY `idx29` (`col151`(129),`col137`(254),`col13`), -KEY `idx30` (`col49`), -KEY `idx31` (`col28`), -KEY `idx32` (`col83`,`col146`), -KEY `idx33` (`col155`,`col90`,`col17`(245)), -KEY `idx34` (`col174`,`col169`(44),`col107`), -KEY `idx35` (`col113`), -KEY `idx36` (`col52`), -KEY `idx37` (`col16`,`col120`(190)), -KEY `idx38` (`col28`), -KEY `idx39` (`col131`(165)), -KEY `idx40` (`col135`,`col26`(86)), -KEY `idx41` (`col69`,`col94`), -KEY `idx42` (`col105`,`col151`(38),`col97`), -KEY `idx43` (`col88`), -KEY `idx44` (`col176`(100),`col42`,`col73`(189),`col94`), -KEY `idx45` (`col2`(27),`col27`(116)) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -DROP TABLE IF EXISTS table0; -DROP TABLE IF EXISTS table1; -DROP TABLE IF EXISTS table2; -DROP TABLE IF EXISTS table3; -DROP TABLE IF EXISTS table4; -DROP TABLE IF EXISTS table5; -DROP TABLE IF EXISTS table6; - -EVAL SET GLOBAL innodb_file_format=$file_format; -EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/perfschema/mysql-test/innodb_bug36172.result b/perfschema/mysql-test/innodb_bug36172.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/perfschema/mysql-test/innodb_bug36172.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug36172.test b/perfschema/mysql-test/innodb_bug36172.test deleted file mode 100644 index c6c4e6fae47..00000000000 --- a/perfschema/mysql-test/innodb_bug36172.test +++ /dev/null @@ -1,32 +0,0 @@ -# -# Test case for bug 36172 -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting success or failure according to our -# expectations - --- disable_query_log --- disable_result_log - -let $file_format=`select @@innodb_file_format`; -let $file_format_check=`select @@innodb_file_format_check`; -let $file_per_table=`select @@innodb_file_per_table`; -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=on; - -DROP TABLE IF EXISTS `table0`; -CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2; -insert ignore into `table0` set `col23` = 7887371.5084383683, `col24` = 4293854615.6906948000, `col25` = 'vitalist', `col26` = 'widespread', `col27` = '3570490', `col28` = 'habitual', `col30` = -5471, `col31` = 4286985783.6771750000, `col32` = 6354540.9826654866, `col33` = 'defoliation', `col34` = 'logarithms', `col35` = 'tegument\'s', `col36` = 'scouting\'s', `col37` = 'intermittency', `col38` = 'elongates', `col39` = 'prophecies', `col40` = '20560103035939', `col41` = 4292809130.0544143000, `col42` = 22057, `col43` = 'Hess\'s', `col44` = 'bandstand', `col45` = 'phenylketonuria', `col46` = 6338767.4018677324, `col47` = 5310247, `col48` = '12592418', `col49` = 'churchman\'s', `col50` = '32226125', `col51` = -58, `col52` = -6207968, `col53` = 1244839.3255104220, `col54` = 'robotized', `col55` = 'monotonous', `col56` = -26909, `col58` = '20720107023550', `col59` = 'suggestiveness\'s', `col60` = 'gemology', `col61` = 4287800670.2229986000, `col62` = '1944', `col63` = -16827, `col64` = '20700107212324', `col65` = 'Nicolais', `col66` = 'apteryx', `col67` = 6935317, `col68` = 'stroganoff', `col70` = 3316430, `col71` = '3277608', `col72` = '19300511045918', `col73` = '20421201003327', `col74` = 'attenuant', `col75` = '15173', `col76` = 'upstroke\'s', `col77` = 8118987, `col78` = 6791516.2735374002, `col79` = '20780701144624', `col80` = '2134', `col81` = 4290682351.3127537000, `col82` = 'unexplainably', `col83` = 'Storm', `col84` = 'Greyso\'s', `col85` = 4289119212.4306774000, `col86` = 7617575.8796655172, `col87` = -6325335, `col88` = 'fondue\'s', `col89` = '40608940', `col90` = 1659421.8093508712, `col91` = 8346904.6584368423, `col92` = 'reloads', `col93` = '5188366'; -CHECK TABLE table0 EXTENDED; -INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; -CHECK TABLE table0 EXTENDED; -DROP TABLE table0; -EVAL SET GLOBAL innodb_file_format=$file_format; -EVAL SET GLOBAL innodb_file_format_check=$file_format_check; -EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/perfschema/mysql-test/innodb_bug38231.result b/perfschema/mysql-test/innodb_bug38231.result deleted file mode 100644 index 2f909779755..00000000000 --- a/perfschema/mysql-test/innodb_bug38231.result +++ /dev/null @@ -1,11 +0,0 @@ -SET storage_engine=InnoDB; -INSERT INTO bug38231 VALUES (1), (10), (300); -SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; -a -1 -10 -300 -TRUNCATE TABLE bug38231; -COMMIT; -DROP TABLE bug38231; diff --git a/perfschema/mysql-test/innodb_bug38231.test b/perfschema/mysql-test/innodb_bug38231.test deleted file mode 100644 index 54f58844c42..00000000000 --- a/perfschema/mysql-test/innodb_bug38231.test +++ /dev/null @@ -1,97 +0,0 @@ -# -# Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK -# http://bugs.mysql.com/38231 -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not crash the server --- disable_query_log --- disable_result_log - -DROP TABLE IF EXISTS bug38231; -CREATE TABLE bug38231 (a INT); - --- connect (con1,localhost,root,,) --- connect (con2,localhost,root,,) --- connect (con3,localhost,root,,) - --- connection con1 -SET autocommit=0; -LOCK TABLE bug38231 WRITE; - --- connection con2 -SET autocommit=0; --- send -LOCK TABLE bug38231 WRITE; - --- connection con3 -SET autocommit=0; --- send -LOCK TABLE bug38231 WRITE; - --- connection default --- send -TRUNCATE TABLE bug38231; - --- connection con1 -# Wait for TRUNCATE and the other two LOCKs to be executed; without this, -# sometimes UNLOCK executes before them. We assume there are no other -# sessions executing at the same time with the same SQL commands. -let $wait_condition = - SELECT COUNT(*) = 1 FROM information_schema.processlist - WHERE info = 'TRUNCATE TABLE bug38231'; --- source include/wait_condition.inc -let $wait_condition = - SELECT COUNT(*) = 2 FROM information_schema.processlist - WHERE info = 'LOCK TABLE bug38231 WRITE'; --- source include/wait_condition.inc -# the above enables query log, re-disable it --- disable_query_log - -# this crashes the server if the bug is present -UNLOCK TABLES; - -# clean up - --- connection con2 --- reap -UNLOCK TABLES; - --- connection con3 --- reap -UNLOCK TABLES; - --- connection default --- reap - --- disconnect con1 --- disconnect con2 --- disconnect con3 - -# test that TRUNCATE works with with row-level locks - --- enable_query_log --- enable_result_log - -INSERT INTO bug38231 VALUES (1), (10), (300); - --- connect (con4,localhost,root,,) - --- connection con4 -SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; - --- connection default -TRUNCATE TABLE bug38231; - --- connection con4 -COMMIT; - --- connection default - --- disconnect con4 - -DROP TABLE bug38231; diff --git a/perfschema/mysql-test/innodb_bug39438-master.opt b/perfschema/mysql-test/innodb_bug39438-master.opt deleted file mode 100644 index 43fac202fd4..00000000000 --- a/perfschema/mysql-test/innodb_bug39438-master.opt +++ /dev/null @@ -1 +0,0 @@ ---innodb-file-per-table=1 diff --git a/perfschema/mysql-test/innodb_bug39438.result b/perfschema/mysql-test/innodb_bug39438.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/perfschema/mysql-test/innodb_bug39438.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_bug39438.test b/perfschema/mysql-test/innodb_bug39438.test deleted file mode 100644 index 52302871beb..00000000000 --- a/perfschema/mysql-test/innodb_bug39438.test +++ /dev/null @@ -1,51 +0,0 @@ -# -# Bug#39438 Testcase for Bug#39436 crashes on 5.1 in fil_space_get_latch -# http://bugs.mysql.com/39438 -# -# This test must be run with innodb_file_per_table=1 because the crash -# only occurs if that option is turned on and DISCARD TABLESPACE only -# works with innodb_file_per_table. -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not crash the server --- disable_query_log --- disable_result_log - -DROP TABLE IF EXISTS bug39438; - -CREATE TABLE bug39438 (id INT) ENGINE=INNODB; - -# remove: XXX Uncomment the following ALTER and remove those lines after -# remove: applying the patch. -# remove: Obviously this test is useless without this ALTER command, -# remove: but it causes warnings to be printed by mysqld and the whole -# remove: mysql-test suite fails at the end (returns non-zero). Please -# remove: apply this patch to the mysql source tree, remove those lines -# remove: and uncomment the following ALTER. We do not care about the -# remove: warnings, this test is to ensure mysqld does not crash. -# remove: === modified file 'mysql-test/lib/mtr_report.pl' -# remove: --- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000 -# remove: +++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000 -# remove: @@ -412,7 +412,10 @@ -# remove: -# remove: # When trying to set lower_case_table_names = 2 -# remove: # on a case sensitive file system. Bug#37402. -# remove: - /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ -# remove: + /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or -# remove: + -# remove: + # this test is expected to print warnings -# remove: + ($testname eq 'main.innodb_bug39438') -# remove: ) -# remove: { -# remove: next; # Skip these lines -# remove: -#ALTER TABLE bug39438 DISCARD TABLESPACE; - -# this crashes the server if the bug is present -SHOW TABLE STATUS; - -DROP TABLE bug39438; diff --git a/perfschema/mysql-test/innodb_bug40360.result b/perfschema/mysql-test/innodb_bug40360.result deleted file mode 100644 index ef4cf463903..00000000000 --- a/perfschema/mysql-test/innodb_bug40360.result +++ /dev/null @@ -1,4 +0,0 @@ -SET TX_ISOLATION='READ-COMMITTED'; -CREATE TABLE bug40360 (a INT) engine=innodb; -INSERT INTO bug40360 VALUES (1); -DROP TABLE bug40360; diff --git a/perfschema/mysql-test/innodb_bug40360.test b/perfschema/mysql-test/innodb_bug40360.test deleted file mode 100644 index e88837aab4f..00000000000 --- a/perfschema/mysql-test/innodb_bug40360.test +++ /dev/null @@ -1,16 +0,0 @@ -# -# Make sure http://bugs.mysql.com/40360 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET TX_ISOLATION='READ-COMMITTED'; - -# This is the default since MySQL 5.1.29 SET BINLOG_FORMAT='STATEMENT'; - -CREATE TABLE bug40360 (a INT) engine=innodb; - -INSERT INTO bug40360 VALUES (1); - -DROP TABLE bug40360; diff --git a/perfschema/mysql-test/innodb_bug40565.result b/perfschema/mysql-test/innodb_bug40565.result deleted file mode 100644 index 21e923d9336..00000000000 --- a/perfschema/mysql-test/innodb_bug40565.result +++ /dev/null @@ -1,9 +0,0 @@ -create table bug40565(value decimal(4,2)) engine=innodb; -insert into bug40565 values (1), (null); -update bug40565 set value=NULL; -affected rows: 1 -info: Rows matched: 2 Changed: 1 Warnings: 0 -update bug40565 set value=NULL; -affected rows: 0 -info: Rows matched: 2 Changed: 0 Warnings: 0 -drop table bug40565; diff --git a/perfschema/mysql-test/innodb_bug40565.test b/perfschema/mysql-test/innodb_bug40565.test deleted file mode 100644 index d7aa0fd514a..00000000000 --- a/perfschema/mysql-test/innodb_bug40565.test +++ /dev/null @@ -1,10 +0,0 @@ -# Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows" --- source include/have_innodb.inc - -create table bug40565(value decimal(4,2)) engine=innodb; -insert into bug40565 values (1), (null); ---enable_info -update bug40565 set value=NULL; -update bug40565 set value=NULL; ---disable_info -drop table bug40565; diff --git a/perfschema/mysql-test/innodb_bug41904.result b/perfschema/mysql-test/innodb_bug41904.result deleted file mode 100644 index 6070d32d181..00000000000 --- a/perfschema/mysql-test/innodb_bug41904.result +++ /dev/null @@ -1,4 +0,0 @@ -CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; -INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); -CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); -DROP TABLE bug41904; diff --git a/perfschema/mysql-test/innodb_bug41904.test b/perfschema/mysql-test/innodb_bug41904.test deleted file mode 100644 index 365c5229adc..00000000000 --- a/perfschema/mysql-test/innodb_bug41904.test +++ /dev/null @@ -1,14 +0,0 @@ -# -# Make sure http://bugs.mysql.com/41904 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; - -INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); - -CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); - -DROP TABLE bug41904; diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt b/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt deleted file mode 100644 index 455d66a06b8..00000000000 --- a/perfschema/mysql-test/innodb_bug42101-nonzero-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose_innodb_commit_concurrency=1 diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero.result b/perfschema/mysql-test/innodb_bug42101-nonzero.result deleted file mode 100644 index 277dfffdd35..00000000000 --- a/perfschema/mysql-test/innodb_bug42101-nonzero.result +++ /dev/null @@ -1,26 +0,0 @@ -set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -42 -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 diff --git a/perfschema/mysql-test/innodb_bug42101-nonzero.test b/perfschema/mysql-test/innodb_bug42101-nonzero.test deleted file mode 100644 index 685fdf20489..00000000000 --- a/perfschema/mysql-test/innodb_bug42101-nonzero.test +++ /dev/null @@ -1,21 +0,0 @@ -# -# Bug#42101 Race condition in innodb_commit_concurrency -# http://bugs.mysql.com/42101 -# - --- source include/have_innodb.inc - ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; diff --git a/perfschema/mysql-test/innodb_bug42101.result b/perfschema/mysql-test/innodb_bug42101.result deleted file mode 100644 index 805097ffe9d..00000000000 --- a/perfschema/mysql-test/innodb_bug42101.result +++ /dev/null @@ -1,22 +0,0 @@ -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=1; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=42; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 diff --git a/perfschema/mysql-test/innodb_bug42101.test b/perfschema/mysql-test/innodb_bug42101.test deleted file mode 100644 index b6536490d48..00000000000 --- a/perfschema/mysql-test/innodb_bug42101.test +++ /dev/null @@ -1,19 +0,0 @@ -# -# Bug#42101 Race condition in innodb_commit_concurrency -# http://bugs.mysql.com/42101 -# - --- source include/have_innodb.inc - -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; diff --git a/perfschema/mysql-test/innodb_bug44032.result b/perfschema/mysql-test/innodb_bug44032.result deleted file mode 100644 index da2a000b06e..00000000000 --- a/perfschema/mysql-test/innodb_bug44032.result +++ /dev/null @@ -1,7 +0,0 @@ -CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT -ENGINE=InnoDB; -INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); -UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; -UPDATE bug44032 SET c=NULL WHERE c='DDD'; -UPDATE bug44032 SET c='DDD' WHERE c IS NULL; -DROP TABLE bug44032; diff --git a/perfschema/mysql-test/innodb_bug44032.test b/perfschema/mysql-test/innodb_bug44032.test deleted file mode 100644 index a963cb8b68f..00000000000 --- a/perfschema/mysql-test/innodb_bug44032.test +++ /dev/null @@ -1,13 +0,0 @@ -# Bug44032 no update-in-place of UTF-8 columns in ROW_FORMAT=REDUNDANT -# (btr_cur_update_in_place not invoked when updating from/to NULL; -# the update is performed by delete and insert instead) - --- source include/have_innodb.inc - -CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT -ENGINE=InnoDB; -INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); -UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; -UPDATE bug44032 SET c=NULL WHERE c='DDD'; -UPDATE bug44032 SET c='DDD' WHERE c IS NULL; -DROP TABLE bug44032; diff --git a/perfschema/mysql-test/innodb_bug44369.result b/perfschema/mysql-test/innodb_bug44369.result deleted file mode 100644 index ff25c774aa2..00000000000 --- a/perfschema/mysql-test/innodb_bug44369.result +++ /dev/null @@ -1,6 +0,0 @@ -create table bug44369 (DB_ROW_ID int) engine=innodb; -ERROR 42000: Incorrect column name 'DB_ROW_ID' -create table bug44369 (db_row_id int) engine=innodb; -ERROR 42000: Incorrect column name 'db_row_id' -create table bug44369 (db_TRX_Id int) engine=innodb; -ERROR 42000: Incorrect column name 'db_TRX_Id' diff --git a/perfschema/mysql-test/innodb_bug44369.test b/perfschema/mysql-test/innodb_bug44369.test deleted file mode 100644 index f5d85cd5815..00000000000 --- a/perfschema/mysql-test/innodb_bug44369.test +++ /dev/null @@ -1,17 +0,0 @@ -# This is the test for bug 44369. We should -# block table creation with columns match -# some innodb internal reserved key words, -# both case sensitively and insensitely. - ---source include/have_innodb.inc - -# This create table operation should fail. ---error ER_WRONG_COLUMN_NAME -create table bug44369 (DB_ROW_ID int) engine=innodb; - -# This create should fail as well ---error ER_WRONG_COLUMN_NAME -create table bug44369 (db_row_id int) engine=innodb; - ---error ER_WRONG_COLUMN_NAME -create table bug44369 (db_TRX_Id int) engine=innodb; diff --git a/perfschema/mysql-test/innodb_bug44571.result b/perfschema/mysql-test/innodb_bug44571.result deleted file mode 100644 index 7ee7820a02d..00000000000 --- a/perfschema/mysql-test/innodb_bug44571.result +++ /dev/null @@ -1,8 +0,0 @@ -CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; -ALTER TABLE bug44571 CHANGE foo bar INT; -ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -ERROR 42000: Key column 'foo' doesn't exist in table -ALTER TABLE bug44571 ADD INDEX bug44571c (bar); -DROP INDEX bug44571c ON bug44571; -CREATE INDEX bug44571c ON bug44571 (bar); -DROP TABLE bug44571; diff --git a/perfschema/mysql-test/innodb_bug44571.test b/perfschema/mysql-test/innodb_bug44571.test deleted file mode 100644 index 91b6722d8af..00000000000 --- a/perfschema/mysql-test/innodb_bug44571.test +++ /dev/null @@ -1,22 +0,0 @@ -# -# Bug#44571 InnoDB Plugin crashes on ADD INDEX -# http://bugs.mysql.com/44571 -# Please also refer to related fix in -# http://bugs.mysql.com/47621 -# --- source include/have_innodb.inc - -CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; -ALTER TABLE bug44571 CHANGE foo bar INT; -# Create index with the old column name will fail, -# because the CHANGE foo bar is successful. And -# the column name change would communicate to -# InnoDB with the fix from bug #47621 --- error ER_KEY_COLUMN_DOES_NOT_EXITS -ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -# The following create indexes should succeed, -# indirectly confirm the CHANGE foo bar is successful. -ALTER TABLE bug44571 ADD INDEX bug44571c (bar); -DROP INDEX bug44571c ON bug44571; -CREATE INDEX bug44571c ON bug44571 (bar); -DROP TABLE bug44571; diff --git a/perfschema/mysql-test/innodb_bug45357.result b/perfschema/mysql-test/innodb_bug45357.result deleted file mode 100644 index 7adeff2062f..00000000000 --- a/perfschema/mysql-test/innodb_bug45357.result +++ /dev/null @@ -1,7 +0,0 @@ -set session transaction isolation level read committed; -create table bug45357(a int, b int,key(b))engine=innodb; -insert into bug45357 values (25170,6122); -update bug45357 set a=1 where b=30131; -delete from bug45357 where b < 20996; -delete from bug45357 where b < 7001; -drop table bug45357; diff --git a/perfschema/mysql-test/innodb_bug45357.test b/perfschema/mysql-test/innodb_bug45357.test deleted file mode 100644 index 81727f352dd..00000000000 --- a/perfschema/mysql-test/innodb_bug45357.test +++ /dev/null @@ -1,10 +0,0 @@ --- source include/have_innodb.inc - -set session transaction isolation level read committed; - -create table bug45357(a int, b int,key(b))engine=innodb; -insert into bug45357 values (25170,6122); -update bug45357 set a=1 where b=30131; -delete from bug45357 where b < 20996; -delete from bug45357 where b < 7001; -drop table bug45357; diff --git a/perfschema/mysql-test/innodb_bug46000.result b/perfschema/mysql-test/innodb_bug46000.result deleted file mode 100644 index c8e3db8d641..00000000000 --- a/perfschema/mysql-test/innodb_bug46000.result +++ /dev/null @@ -1,19 +0,0 @@ -create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -show warnings; -Level Code Message -Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. -Error 1280 Incorrect index name 'GEN_CLUST_INDEX' -Error 1005 Can't create table 'test.bug46000' (errno: -1) -create table bug46000(id int) engine=innodb; -create index GEN_CLUST_INDEX on bug46000(id); -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -show warnings; -Level Code Message -Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. -Error 1280 Incorrect index name 'GEN_CLUST_INDEX' -Error 1030 Got error -1 from storage engine -create index idx on bug46000(id); -drop table bug46000; diff --git a/perfschema/mysql-test/innodb_bug46000.test b/perfschema/mysql-test/innodb_bug46000.test deleted file mode 100644 index 5a3c666326e..00000000000 --- a/perfschema/mysql-test/innodb_bug46000.test +++ /dev/null @@ -1,32 +0,0 @@ -# This is the test for bug 46000. We shall -# block any index creation with the name of -# "GEN_CLUST_INDEX", which is the reserved -# name for innodb default primary index. - ---source include/have_innodb.inc - -# This 'create table' operation should fail because of -# using the reserve name as its index name. ---error ER_WRONG_NAME_FOR_INDEX -create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; - -# Mixed upper/lower case of the reserved key words ---error ER_WRONG_NAME_FOR_INDEX -create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; - -show warnings; - -create table bug46000(id int) engine=innodb; - -# This 'create index' operation should fail. ---error ER_WRONG_NAME_FOR_INDEX -create index GEN_CLUST_INDEX on bug46000(id); - -show warnings; - -# This 'create index' operation should succeed, no -# temp table left from last failed create index -# operation. -create index idx on bug46000(id); - -drop table bug46000; diff --git a/perfschema/mysql-test/innodb_bug47621.result b/perfschema/mysql-test/innodb_bug47621.result deleted file mode 100644 index c5f56c09788..00000000000 --- a/perfschema/mysql-test/innodb_bug47621.result +++ /dev/null @@ -1,21 +0,0 @@ -CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; -ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; -create index orgs on bug47621(sales_acct_id); -ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; -drop table bug47621; -CREATE TABLE bug47621_sale ( -salesperson INT, -PRIMARY KEY(salesperson)) engine = innodb; -CREATE TABLE bug47621_shirt( -id SMALLINT, -owner INT, -FOREIGN KEY(owner) -references bug47621_sale(salesperson) ON DELETE RESTRICT) -engine = innodb; -insert into bug47621_sale values(9); -insert into bug47621_shirt values(1, 9); -ALTER TABLE bug47621_shirt CHANGE id new_id INT; -drop table bug47621_shirt; -ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; -ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); -drop table bug47621_sale; diff --git a/perfschema/mysql-test/innodb_bug47621.test b/perfschema/mysql-test/innodb_bug47621.test deleted file mode 100644 index 4863cc6bba1..00000000000 --- a/perfschema/mysql-test/innodb_bug47621.test +++ /dev/null @@ -1,57 +0,0 @@ -# This is the test for bug #47621, column rename operation should -# not result in column definition inconsistency between MySQL and -# InnoDB - ---source include/have_innodb.inc - -CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB; - -# Change the column name -ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT; - -# If there is inconsistency of column name definition -# in MySQL or InnoDB, following create index would fail -create index orgs on bug47621(sales_acct_id); - -# Change the column name back with the index defined on it. -ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT; - -drop table bug47621; - -CREATE TABLE bug47621_sale ( - salesperson INT, - PRIMARY KEY(salesperson)) engine = innodb; - -CREATE TABLE bug47621_shirt( - id SMALLINT, - owner INT, - FOREIGN KEY(owner) - references bug47621_sale(salesperson) ON DELETE RESTRICT) - engine = innodb; - -insert into bug47621_sale values(9); - -insert into bug47621_shirt values(1, 9); - -# Any rename operation on columns involved in a reference constraint will -# fail, as it will be rejected by InnoDB row_rename_table_for_mysql(). -# In above example, any rename on column "salesperson" for table -# "bug47621_sale", or on column "owner" for table "bug47621_shirt will -# be blocked. We do not put such rename in the test since InnoDB error -# message will be printed in the error log, and result in test failure. -# -# ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; - -# Any rename on columns not involved in the foreign key constraint -# could still proceed -ALTER TABLE bug47621_shirt CHANGE id new_id INT; - -# Referencing table dropped, the rename operation on related columns -# could proceed -drop table bug47621_shirt; - -ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT; - -ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id); - -drop table bug47621_sale; diff --git a/perfschema/mysql-test/innodb_bug47622.result b/perfschema/mysql-test/innodb_bug47622.result deleted file mode 100644 index f5d13711c52..00000000000 --- a/perfschema/mysql-test/innodb_bug47622.result +++ /dev/null @@ -1,23 +0,0 @@ -CREATE TABLE bug47622( -`rule_key` int(11) NOT NULL DEFAULT '0', -`seq` smallint(6) NOT NULL DEFAULT '0', -`action` smallint(6) NOT NULL DEFAULT '0', -`arg_id` smallint(6) DEFAULT NULL, -`else_ind` TINYINT NOT NULL, -KEY IDX_A (`arg_id`) -) ENGINE=InnoDB; -ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); -drop index IDX_B on bug47622; -create index idx on bug47622(seq, arg_id); -ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); -drop table bug47622; -CREATE TABLE bug47622 ( -`a` int(11) NOT NULL, -`b` int(11) DEFAULT NULL, -`c` char(10) DEFAULT NULL, -`d` varchar(20) DEFAULT NULL, -PRIMARY KEY (`a`), -KEY `b` (`b`) -) ENGINE=InnoDB; -alter table bug47622 add unique index (c), add index (d); -drop table bug47622; diff --git a/perfschema/mysql-test/innodb_bug47622.test b/perfschema/mysql-test/innodb_bug47622.test deleted file mode 100644 index 9cf9d0e531b..00000000000 --- a/perfschema/mysql-test/innodb_bug47622.test +++ /dev/null @@ -1,55 +0,0 @@ -# This is the test for bug 47622. There could be index -# metadata sequence mismatch between MySQL and Innodb -# after creating index through FIC interfaces. -# We resolve the problem by sync the index sequence -# up when opening the table. - ---source include/have_innodb.inc - -connect (a,localhost,root,,); -connect (b,localhost,root,,); - -# Create a table with a non-unique index -CREATE TABLE bug47622( - `rule_key` int(11) NOT NULL DEFAULT '0', - `seq` smallint(6) NOT NULL DEFAULT '0', - `action` smallint(6) NOT NULL DEFAULT '0', - `arg_id` smallint(6) DEFAULT NULL, - `else_ind` TINYINT NOT NULL, - KEY IDX_A (`arg_id`) -) ENGINE=InnoDB; - -connection a; - -# A subsequent creating unique index should not trigger -# any error message. Unique index would be ranked ahead -# of regular index. -ALTER TABLE bug47622 ADD UNIQUE IDX_B (rule_key,else_ind,seq,action,arg_id); - -drop index IDX_B on bug47622; - -# In another connection, create additional set of normal -# index and unique index. Again, unique index would be ranked -# ahead of regular index. -connection b; -create index idx on bug47622(seq, arg_id); - -ALTER TABLE bug47622 ADD UNIQUE IDX_X (rule_key,else_ind,seq,action); - -drop table bug47622; - -# Create a table with one Primary key and a non-unique key -CREATE TABLE bug47622 ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB; - -# Add two index with one unique and one non-unique. -# Index sequence is "PRIMARY", "c", "b" and "d" -alter table bug47622 add unique index (c), add index (d); - -drop table bug47622; diff --git a/perfschema/mysql-test/innodb_bug47777.result b/perfschema/mysql-test/innodb_bug47777.result deleted file mode 100644 index fbba47edcfc..00000000000 --- a/perfschema/mysql-test/innodb_bug47777.result +++ /dev/null @@ -1,13 +0,0 @@ -create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; -insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -count(*) -1 -update bug47777 set c2=GeomFromText('POINT(1 1)'); -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -count(*) -0 -select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); -count(*) -1 -drop table bug47777; diff --git a/perfschema/mysql-test/innodb_bug47777.test b/perfschema/mysql-test/innodb_bug47777.test deleted file mode 100644 index 8f2985b2cf0..00000000000 --- a/perfschema/mysql-test/innodb_bug47777.test +++ /dev/null @@ -1,24 +0,0 @@ -# This is the test for bug 47777. GEOMETRY -# data is treated as BLOB data in innodb. -# Consequently, its key value generation/storing -# should follow the process for the BLOB -# datatype as well. - ---source include/have_innodb.inc - -create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; - -insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); - -# Verify correct row get inserted. -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); - -# Update table bug47777 should be successful. -update bug47777 set c2=GeomFromText('POINT(1 1)'); - -# Verify the row get updated successfully. The original -# c2 value should be changed to GeomFromText('POINT(1 1)'). -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); - -drop table bug47777; diff --git a/perfschema/mysql-test/innodb_bug51378.result b/perfschema/mysql-test/innodb_bug51378.result deleted file mode 100644 index a3ca73c16a9..00000000000 --- a/perfschema/mysql-test/innodb_bug51378.result +++ /dev/null @@ -1,66 +0,0 @@ -create table bug51378 ( -col1 int not null, -col2 blob not null, -col3 time not null) engine = innodb; -create unique index idx on bug51378(col1, col2(31)); -alter table bug51378 add unique index idx2(col1, col2(31)); -create unique index idx3 on bug51378(col1, col3); -SHOW CREATE TABLE bug51378; -Table Create Table -bug51378 CREATE TABLE `bug51378` ( - `col1` int(11) NOT NULL, - `col2` blob NOT NULL, - `col3` time NOT NULL, - UNIQUE KEY `idx3` (`col1`,`col3`), - UNIQUE KEY `idx` (`col1`,`col2`(31)), - UNIQUE KEY `idx2` (`col1`,`col2`(31)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop index idx3 on bug51378; -SHOW CREATE TABLE bug51378; -Table Create Table -bug51378 CREATE TABLE `bug51378` ( - `col1` int(11) NOT NULL, - `col2` blob NOT NULL, - `col3` time NOT NULL, - UNIQUE KEY `idx` (`col1`,`col2`(31)), - UNIQUE KEY `idx2` (`col1`,`col2`(31)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table bug51378 add primary key idx3(col1, col2(31)); -SHOW CREATE TABLE bug51378; -Table Create Table -bug51378 CREATE TABLE `bug51378` ( - `col1` int(11) NOT NULL, - `col2` blob NOT NULL, - `col3` time NOT NULL, - PRIMARY KEY (`col1`,`col2`(31)), - UNIQUE KEY `idx` (`col1`,`col2`(31)), - UNIQUE KEY `idx2` (`col1`,`col2`(31)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table bug51378; -create table bug51378 ( -col1 int not null, -col2 blob not null, -col3 time not null, primary key(col1, col2(31))) engine = innodb; -create unique index idx on bug51378(col1, col2(31)); -SHOW CREATE TABLE bug51378; -Table Create Table -bug51378 CREATE TABLE `bug51378` ( - `col1` int(11) NOT NULL, - `col2` blob NOT NULL, - `col3` time NOT NULL, - PRIMARY KEY (`col1`,`col2`(31)), - UNIQUE KEY `idx` (`col1`,`col2`(31)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table bug51378; -create table bug51378 ( -col1 int not null, -col2 int ) engine = innodb; -create unique index idx on bug51378(col1, col2); -SHOW CREATE TABLE bug51378; -Table Create Table -bug51378 CREATE TABLE `bug51378` ( - `col1` int(11) NOT NULL, - `col2` int(11) DEFAULT NULL, - UNIQUE KEY `idx` (`col1`,`col2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table bug51378; diff --git a/perfschema/mysql-test/innodb_bug51378.test b/perfschema/mysql-test/innodb_bug51378.test deleted file mode 100644 index 8f7b0b9605a..00000000000 --- a/perfschema/mysql-test/innodb_bug51378.test +++ /dev/null @@ -1,77 +0,0 @@ -# This is the test for bug 51378. Unique index created -# through "create index" and "alter table add unique index" -# interfaces should not be treated as primary index if indexed -# columns contain one or more column prefix(es) (only prefix/part of -# the column is indexed) -# On the other hand, if there is a unique index covers all -# columns of a table, and they are non-null columns, and -# full length of the column are indexed, then this index -# will be created as primary index -# Following queries test various scenario, no mismatch -# error message should be printed. ---source include/have_innodb.inc - -# Create a table contains a BLOB column -create table bug51378 ( - col1 int not null, - col2 blob not null, - col3 time not null) engine = innodb; - -# Create following unique indexes on 'col1' and 'col2(31)' -# of the table, the index should not be treated as primary -# key because it indexes only first 31 bytes of col2. -# Thus it contains "column prefix", and will not be -# upgraded to primary index. -# There should not be mismatch message printed in the -# errorlog -create unique index idx on bug51378(col1, col2(31)); - -alter table bug51378 add unique index idx2(col1, col2(31)); - -# Unique index on 'col1' and 'col3' will be created as primary index, -# since the index does not contain column prefix -create unique index idx3 on bug51378(col1, col3); - -# Show create table would show idx3 created as unique index, internally, -# idx3 is treated as primary index both by MySQL and Innodb -SHOW CREATE TABLE bug51378; - -# "GEN_CLUST_INDEX" will be re-created as default primary index -# after idx3 is dropped -drop index idx3 on bug51378; - -SHOW CREATE TABLE bug51378; - -# Or we can add the primary key through alter table interfaces -alter table bug51378 add primary key idx3(col1, col2(31)); - -SHOW CREATE TABLE bug51378; - -drop table bug51378; - -# Or we can create such primary key through create table interfaces -create table bug51378 ( - col1 int not null, - col2 blob not null, - col3 time not null, primary key(col1, col2(31))) engine = innodb; - -# Unique index on one or more column prefix(es) will be created -# as non-cluster index -create unique index idx on bug51378(col1, col2(31)); - -SHOW CREATE TABLE bug51378; - -drop table bug51378; - -# If a table has a NULLABLE column, unique index on it will not -# be treated as primary index. -create table bug51378 ( - col1 int not null, - col2 int ) engine = innodb; - -# This will be created as non-cluster index since col2 is nullable -create unique index idx on bug51378(col1, col2); - -SHOW CREATE TABLE bug51378; - -drop table bug51378; diff --git a/perfschema/mysql-test/innodb_file_format.result b/perfschema/mysql-test/innodb_file_format.result deleted file mode 100644 index 86d60706084..00000000000 --- a/perfschema/mysql-test/innodb_file_format.result +++ /dev/null @@ -1,43 +0,0 @@ -select @@innodb_file_format; -@@innodb_file_format -Antelope -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -set global innodb_file_format=antelope; -set global innodb_file_format=barracuda; -set global innodb_file_format=cheetah; -ERROR HY000: Incorrect arguments to SET -select @@innodb_file_format; -@@innodb_file_format -Barracuda -set global innodb_file_format=default; -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format=on; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=off; -ERROR HY000: Incorrect arguments to SET -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format_check=antelope; -set global innodb_file_format_check=barracuda; -set global innodb_file_format_check=cheetah; -ERROR HY000: Incorrect arguments to SET -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=default; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format=on; -ERROR HY000: Incorrect arguments to SET -set global innodb_file_format=off; -ERROR HY000: Incorrect arguments to SET -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=antelope; diff --git a/perfschema/mysql-test/innodb_file_format.test b/perfschema/mysql-test/innodb_file_format.test deleted file mode 100644 index d63c9b0228f..00000000000 --- a/perfschema/mysql-test/innodb_file_format.test +++ /dev/null @@ -1,29 +0,0 @@ --- source include/have_innodb.inc - -select @@innodb_file_format; -select @@innodb_file_format_check; -set global innodb_file_format=antelope; -set global innodb_file_format=barracuda; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format=cheetah; -select @@innodb_file_format; -set global innodb_file_format=default; -select @@innodb_file_format; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format=on; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format=off; -select @@innodb_file_format; -set global innodb_file_format_check=antelope; -set global innodb_file_format_check=barracuda; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format_check=cheetah; -select @@innodb_file_format_check; -set global innodb_file_format_check=default; -select @@innodb_file_format_check; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format=on; ---error ER_WRONG_ARGUMENTS -set global innodb_file_format=off; -select @@innodb_file_format_check; -set global innodb_file_format_check=antelope; diff --git a/perfschema/mysql-test/innodb_information_schema.result b/perfschema/mysql-test/innodb_information_schema.result deleted file mode 100644 index 396cae579ce..00000000000 --- a/perfschema/mysql-test/innodb_information_schema.result +++ /dev/null @@ -1,23 +0,0 @@ -lock_mode lock_type lock_table lock_index lock_rec lock_data -X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' -X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' -X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' -X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' -X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' -X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' -X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' -X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' -X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 -X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 -X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 -X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 -X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record -X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record -lock_table COUNT(*) -`test`.`t_max` 2 -`test`.`t_min` 2 -`test`.```t'\"_str` 10 -lock_table COUNT(*) -"test"."t_max" 2 -"test"."t_min" 2 -"test"."`t'\""_str" 10 diff --git a/perfschema/mysql-test/innodb_information_schema.test b/perfschema/mysql-test/innodb_information_schema.test deleted file mode 100644 index fc1d38d8d14..00000000000 --- a/perfschema/mysql-test/innodb_information_schema.test +++ /dev/null @@ -1,149 +0,0 @@ -# -# Test that user data is correctly "visualized" in -# INFORMATION_SCHEMA.innodb_locks.lock_data -# - --- source include/have_innodb.inc - --- disable_query_log --- disable_result_log - -SET storage_engine=InnoDB; - --- disable_warnings -DROP TABLE IF EXISTS t_min, t_max; --- enable_warnings - -let $table_def = -( - c01 TINYINT, - c02 TINYINT UNSIGNED, - c03 SMALLINT, - c04 SMALLINT UNSIGNED, - c05 MEDIUMINT, - c06 MEDIUMINT UNSIGNED, - c07 INT, - c08 INT UNSIGNED, - c09 BIGINT, - c10 BIGINT UNSIGNED, - PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10) -); - --- eval CREATE TABLE t_min $table_def; -INSERT INTO t_min VALUES -(-128, 0, - -32768, 0, - -8388608, 0, - -2147483648, 0, - -9223372036854775808, 0); - --- eval CREATE TABLE t_max $table_def; -INSERT INTO t_max VALUES -(127, 255, - 32767, 65535, - 8388607, 16777215, - 2147483647, 4294967295, - 9223372036854775807, 18446744073709551615); - -CREATE TABLE ```t'\"_str` ( - c1 VARCHAR(32), - c2 VARCHAR(32), - c3 VARCHAR(32), - c4 VARCHAR(32), - c5 VARCHAR(32), - c6 VARCHAR(32), - c7 VARCHAR(32), - PRIMARY KEY(c1, c2, c3, c4, c5, c6, c7) -); -INSERT INTO ```t'\"_str` VALUES -('1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''); -INSERT INTO ```t'\"_str` VALUES -('2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'); -INSERT INTO ```t'\"_str` VALUES -('3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'); -INSERT INTO ```t'\"_str` VALUES -('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000); - --- connect (con_lock,localhost,root,,) --- connect (con_min_trylock,localhost,root,,) --- connect (con_max_trylock,localhost,root,,) --- connect (con_str_insert_supremum,localhost,root,,) --- connect (con_str_lock_row1,localhost,root,,) --- connect (con_str_lock_row2,localhost,root,,) --- connect (con_str_lock_row3,localhost,root,,) --- connect (con_str_lock_row4,localhost,root,,) --- connect (con_verify_innodb_locks,localhost,root,,) - --- connection con_lock -SET autocommit=0; -SELECT * FROM t_min FOR UPDATE; -SELECT * FROM t_max FOR UPDATE; -SELECT * FROM ```t'\"_str` FOR UPDATE; - --- connection con_min_trylock --- send -SELECT * FROM t_min FOR UPDATE; - --- connection con_max_trylock --- send -SELECT * FROM t_max FOR UPDATE; - --- connection con_str_insert_supremum --- send -INSERT INTO ```t'\"_str` VALUES -('z', 'z', 'z', 'z', 'z', 'z', 'z'); - --- connection con_str_lock_row1 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '1' FOR UPDATE; - --- connection con_str_lock_row2 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '2' FOR UPDATE; - --- connection con_str_lock_row3 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE; - --- connection con_str_lock_row4 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE; - --- enable_result_log --- connection con_verify_innodb_locks -# Wait for the above queries to execute before continuing. -# Without this, it sometimes happens that the SELECT from innodb_locks -# executes before some of them, resulting in less than expected number -# of rows being selected from innodb_locks. If there is a bug and there -# are no 14 rows in innodb_locks then this test will fail with timeout. -let $count = 14; -let $table = INFORMATION_SCHEMA.INNODB_LOCKS; --- source include/wait_until_rows_count.inc -# the above enables the query log, re-disable it --- disable_query_log -SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data -FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data; - -SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS -GROUP BY lock_table; - -set @save_sql_mode = @@sql_mode; -SET SQL_MODE='ANSI_QUOTES'; -SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS -GROUP BY lock_table; -SET @@sql_mode=@save_sql_mode; --- disable_result_log - --- connection default - --- disconnect con_lock --- disconnect con_min_trylock --- disconnect con_max_trylock --- disconnect con_str_insert_supremum --- disconnect con_str_lock_row1 --- disconnect con_str_lock_row2 --- disconnect con_str_lock_row3 --- disconnect con_str_lock_row4 --- disconnect con_verify_innodb_locks - -DROP TABLE t_min, t_max, ```t'\"_str`; diff --git a/perfschema/mysql-test/innodb_trx_weight.inc b/perfschema/mysql-test/innodb_trx_weight.inc deleted file mode 100644 index 56d3d47da36..00000000000 --- a/perfschema/mysql-test/innodb_trx_weight.inc +++ /dev/null @@ -1,51 +0,0 @@ --- connect (con1,localhost,root,,) --- connect (con2,localhost,root,,) - --- connection con1 -SET autocommit=0; -SELECT * FROM t1 FOR UPDATE; --- if ($con1_extra_sql_present) { - -- eval $con1_extra_sql --- } - --- connection con2 -SET autocommit=0; -SELECT * FROM t2 FOR UPDATE; --- if ($con2_extra_sql_present) { - -- eval $con2_extra_sql --- } - --- if ($con1_should_be_rolledback) { - -- connection con1 - -- send - INSERT INTO t2 VALUES (0); - - -- connection con2 - INSERT INTO t1 VALUES (0); - ROLLBACK; - - -- connection con1 - -- error ER_LOCK_DEADLOCK - -- reap --- } -# else --- if (!$con1_should_be_rolledback) { - -- connection con2 - -- send - INSERT INTO t1 VALUES (0); - - -- connection con1 - INSERT INTO t2 VALUES (0); - ROLLBACK; - - -- connection con2 - -- error ER_LOCK_DEADLOCK - -- reap --- } - --- connection default - -DELETE FROM t5_nontrans; - --- disconnect con1 --- disconnect con2 diff --git a/perfschema/mysql-test/innodb_trx_weight.result b/perfschema/mysql-test/innodb_trx_weight.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/perfschema/mysql-test/innodb_trx_weight.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/perfschema/mysql-test/innodb_trx_weight.test b/perfschema/mysql-test/innodb_trx_weight.test deleted file mode 100644 index b72eaad345f..00000000000 --- a/perfschema/mysql-test/innodb_trx_weight.test +++ /dev/null @@ -1,108 +0,0 @@ -# -# Ensure that the number of locks (SELECT FOR UPDATE for example) is -# added to the number of altered rows when choosing the smallest -# transaction to kill as a victim when a deadlock is detected. -# Also transactions what had edited non-transactional tables should -# be heavier than ones that had not. -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting the deadlock resolved according to our -# expectations --- disable_query_log --- disable_result_log - -# we want to use "-- eval statement1; statement2" which does not work with -# prepared statements. Because this test should not behave differently with -# or without prepared statements we disable them so the test does not fail -# if someone runs ./mysql-test-run.pl --ps-protocol --- disable_ps_protocol - --- disable_warnings -DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans; --- enable_warnings - -# we will create a simple deadlock with t1, t2 and two connections -CREATE TABLE t1 (a INT); -CREATE TABLE t2 (a INT); - -# auxiliary table with a bulk of rows which will be locked by a -# transaction to increase its weight -CREATE TABLE t3 (a INT); - -# auxiliary empty table which will be inserted by a -# transaction to increase its weight -CREATE TABLE t4 (a INT); - -# auxiliary non-transactional table which will be edited by a -# transaction to tremendously increase its weight -CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM; - -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -# insert a lot of rows in t3 -INSERT INTO t3 VALUES (1); -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; - -# test locking weight - --- let $con1_extra_sql = --- let $con1_extra_sql_present = 0 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - -# test weight when non-transactional tables are edited - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = --- let $con2_extra_sql_present = 0 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - -DROP TABLE t1, t2, t3, t4, t5_nontrans; diff --git a/perfschema/mysql-test/patches/README b/perfschema/mysql-test/patches/README deleted file mode 100644 index 122d756e9e3..00000000000 --- a/perfschema/mysql-test/patches/README +++ /dev/null @@ -1,30 +0,0 @@ -This directory contains patches that need to be applied to the MySQL -source tree in order to get the mysql-test suite to succeed (when -storage/innobase is replaced with this InnoDB branch). Things to keep -in mind when adding new patches here: - -* The patch must be appliable from the mysql top-level source directory. - -* The patch filename must end in ".diff". - -* All patches here are expected to apply cleanly to the latest MySQL 5.1 - tree when storage/innobase is replaced with this InnoDB branch. If - changes to either of those cause the patch to fail, then please check - whether the patch is still needed and, if yes, adjust it so it applies - cleanly. - -* If applicable, always submit the patch at http://bugs.mysql.com and - name the file here like bug%d.diff. Once the patch is committed to - MySQL remove the file from here. - -* If the patch cannot be proposed for inclusion in the MySQL source tree - (via http://bugs.mysql.com) then add a comment at the beginning of the - patch, explaining the problem it is solving, how it does solve it and - why it is not applicable for inclusion in the MySQL source tree. - Obviously this is a very bad situation and should be avoided at all - costs, especially for files that are in the MySQL source repository - (not in storage/innobase). - -* If you ever need to add a patch here that is not related to mysql-test - suite, then please move this directory from ./mysql-test/patches to - ./patches and remove this text. diff --git a/perfschema/mysql-test/patches/index_merge_innodb-explain.diff b/perfschema/mysql-test/patches/index_merge_innodb-explain.diff deleted file mode 100644 index d1ed8afc778..00000000000 --- a/perfschema/mysql-test/patches/index_merge_innodb-explain.diff +++ /dev/null @@ -1,31 +0,0 @@ -InnoDB's estimate for the index cardinality depends on a pseudo random -number generator (it picks up random pages to sample). After an -optimization that was made in r2625 the following EXPLAINs started -returning a different number of rows (3 instead of 4). - -This patch adjusts the result file. - -This patch cannot be proposed to MySQL because the failures occur only -in this tree and do not occur in the standard InnoDB 5.1. Furthermore, -the file index_merge2.inc is used by other engines too. - ---- mysql-test/r/index_merge_innodb.result.orig 2008-09-30 18:32:13.000000000 +0300 -+++ mysql-test/r/index_merge_innodb.result 2008-09-30 18:33:01.000000000 +0300 -@@ -111,7 +111,7 @@ - explain select count(*) from t1 where - key1a = 2 and key1b is null and key2a = 2 and key2b is null; - id select_type table type possible_keys key key_len ref rows Extra --1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 4 Using intersect(i1,i2); Using where; Using index -+1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 3 Using intersect(i1,i2); Using where; Using index - select count(*) from t1 where - key1a = 2 and key1b is null and key2a = 2 and key2b is null; - count(*) -@@ -119,7 +119,7 @@ - explain select count(*) from t1 where - key1a = 2 and key1b is null and key3a = 2 and key3b is null; - id select_type table type possible_keys key key_len ref rows Extra --1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 4 Using intersect(i1,i3); Using where; Using index -+1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 3 Using intersect(i1,i3); Using where; Using index - select count(*) from t1 where - key1a = 2 and key1b is null and key3a = 2 and key3b is null; - count(*) diff --git a/perfschema/mysql-test/patches/information_schema.diff b/perfschema/mysql-test/patches/information_schema.diff deleted file mode 100644 index a3a21f7a08d..00000000000 --- a/perfschema/mysql-test/patches/information_schema.diff +++ /dev/null @@ -1,124 +0,0 @@ ---- mysql-test/r/information_schema.result.orig 2009-01-31 03:38:50.000000000 +0200 -+++ mysql-test/r/information_schema.result 2009-01-31 07:51:58.000000000 +0200 -@@ -71,6 +71,13 @@ - TRIGGERS - USER_PRIVILEGES - VIEWS -+INNODB_CMP_RESET -+INNODB_TRX -+INNODB_CMPMEM_RESET -+INNODB_LOCK_WAITS -+INNODB_CMPMEM -+INNODB_CMP -+INNODB_LOCKS - columns_priv - db - event -@@ -799,6 +806,8 @@ - TABLES UPDATE_TIME datetime - TABLES CHECK_TIME datetime - TRIGGERS CREATED datetime -+INNODB_TRX trx_started datetime -+INNODB_TRX trx_wait_started datetime - event execute_at datetime - event last_executed datetime - event starts datetime -@@ -852,7 +861,7 @@ - flush privileges; - SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA; - table_schema count(*) --information_schema 28 -+information_schema 35 - mysql 22 - create table t1 (i int, j int); - create trigger trg1 before insert on t1 for each row -@@ -1267,6 +1276,13 @@ - TRIGGERS TRIGGER_SCHEMA - USER_PRIVILEGES GRANTEE - VIEWS TABLE_SCHEMA -+INNODB_CMP_RESET page_size -+INNODB_TRX trx_id -+INNODB_CMPMEM_RESET page_size -+INNODB_LOCK_WAITS requesting_trx_id -+INNODB_CMPMEM page_size -+INNODB_CMP page_size -+INNODB_LOCKS lock_id - SELECT t.table_name, c1.column_name - FROM information_schema.tables t - INNER JOIN -@@ -1310,6 +1326,13 @@ - TRIGGERS TRIGGER_SCHEMA - USER_PRIVILEGES GRANTEE - VIEWS TABLE_SCHEMA -+INNODB_CMP_RESET page_size -+INNODB_TRX trx_id -+INNODB_CMPMEM_RESET page_size -+INNODB_LOCK_WAITS requesting_trx_id -+INNODB_CMPMEM page_size -+INNODB_CMP page_size -+INNODB_LOCKS lock_id - SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test'); - MAX(table_name) - VIEWS -@@ -1386,6 +1409,13 @@ - FILES information_schema.FILES 1 - GLOBAL_STATUS information_schema.GLOBAL_STATUS 1 - GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1 -+INNODB_CMP information_schema.INNODB_CMP 1 -+INNODB_CMPMEM information_schema.INNODB_CMPMEM 1 -+INNODB_CMPMEM_RESET information_schema.INNODB_CMPMEM_RESET 1 -+INNODB_CMP_RESET information_schema.INNODB_CMP_RESET 1 -+INNODB_LOCKS information_schema.INNODB_LOCKS 1 -+INNODB_LOCK_WAITS information_schema.INNODB_LOCK_WAITS 1 -+INNODB_TRX information_schema.INNODB_TRX 1 - KEY_COLUMN_USAGE information_schema.KEY_COLUMN_USAGE 1 - PARTITIONS information_schema.PARTITIONS 1 - PLUGINS information_schema.PLUGINS 1 -diff mysql-test/r/information_schema_db.result.orig mysql-test/r/information_schema_db.result ---- mysql-test/r/information_schema_db.result.orig 2008-08-04 09:27:49.000000000 +0300 -+++ mysql-test/r/information_schema_db.result 2008-10-07 12:26:31.000000000 +0300 -@@ -33,6 +33,13 @@ - TRIGGERS - USER_PRIVILEGES - VIEWS -+INNODB_CMP_RESET -+INNODB_TRX -+INNODB_CMPMEM_RESET -+INNODB_LOCK_WAITS -+INNODB_CMPMEM -+INNODB_CMP -+INNODB_LOCKS - show tables from INFORMATION_SCHEMA like 'T%'; - Tables_in_information_schema (T%) - TABLES -diff mysql-test/r/mysqlshow.result.orig mysql-test/r/mysqlshow.result ---- mysql-test/r/mysqlshow.result.orig 2008-08-04 09:27:51.000000000 +0300 -+++ mysql-test/r/mysqlshow.result 2008-10-07 12:35:39.000000000 +0300 -@@ -107,6 +107,13 @@ - | TRIGGERS | - | USER_PRIVILEGES | - | VIEWS | -+| INNODB_CMP_RESET | -+| INNODB_TRX | -+| INNODB_CMPMEM_RESET | -+| INNODB_LOCK_WAITS | -+| INNODB_CMPMEM | -+| INNODB_CMP | -+| INNODB_LOCKS | - +---------------------------------------+ - Database: INFORMATION_SCHEMA - +---------------------------------------+ -@@ -140,6 +147,13 @@ - | TRIGGERS | - | USER_PRIVILEGES | - | VIEWS | -+| INNODB_CMP_RESET | -+| INNODB_TRX | -+| INNODB_CMPMEM_RESET | -+| INNODB_LOCK_WAITS | -+| INNODB_CMPMEM | -+| INNODB_CMP | -+| INNODB_LOCKS | - +---------------------------------------+ - Wildcard: inf_rmation_schema - +--------------------+ diff --git a/perfschema/mysql-test/patches/innodb_file_per_table.diff b/perfschema/mysql-test/patches/innodb_file_per_table.diff deleted file mode 100644 index 8b7ae2036c9..00000000000 --- a/perfschema/mysql-test/patches/innodb_file_per_table.diff +++ /dev/null @@ -1,47 +0,0 @@ -diff mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test ---- mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test.orig 2008-10-07 11:32:30.000000000 +0300 -+++ mysql-test/suite/sys_vars/t/innodb_file_per_table_basic.test 2008-10-07 11:52:14.000000000 +0300 -@@ -37,10 +37,6 @@ - # Check if Value can set # - #################################################################### - ----error ER_INCORRECT_GLOBAL_LOCAL_VAR --SET @@GLOBAL.innodb_file_per_table=1; ----echo Expected error 'Read only variable' -- - SELECT COUNT(@@GLOBAL.innodb_file_per_table); - --echo 1 Expected - -@@ -52,7 +48,7 @@ - # Check if the value in GLOBAL Table matches value in variable # - ################################################################# - --SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE -+SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE - FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES - WHERE VARIABLE_NAME='innodb_file_per_table'; - --echo 1 Expected -diff mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result ---- mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result.orig 2008-10-07 11:32:02.000000000 +0300 -+++ mysql-test/suite/sys_vars/r/innodb_file_per_table_basic.result 2008-10-07 11:52:47.000000000 +0300 -@@ -4,18 +4,15 @@ - 1 - 1 Expected - '#---------------------BS_STVARS_028_02----------------------#' --SET @@GLOBAL.innodb_file_per_table=1; --ERROR HY000: Variable 'innodb_file_per_table' is a read only variable --Expected error 'Read only variable' - SELECT COUNT(@@GLOBAL.innodb_file_per_table); - COUNT(@@GLOBAL.innodb_file_per_table) - 1 - 1 Expected - '#---------------------BS_STVARS_028_03----------------------#' --SELECT @@GLOBAL.innodb_file_per_table = VARIABLE_VALUE -+SELECT IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE - FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES - WHERE VARIABLE_NAME='innodb_file_per_table'; --@@GLOBAL.innodb_file_per_table = VARIABLE_VALUE -+IF(@@GLOBAL.innodb_file_per_table,'ON','OFF') = VARIABLE_VALUE - 1 - 1 Expected - SELECT COUNT(@@GLOBAL.innodb_file_per_table); diff --git a/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff b/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff deleted file mode 100644 index bc61a0f5841..00000000000 --- a/perfschema/mysql-test/patches/innodb_lock_wait_timeout.diff +++ /dev/null @@ -1,55 +0,0 @@ ---- mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test.orig 2008-08-04 09:28:16.000000000 +0300 -+++ mysql-test/suite/sys_vars/t/innodb_lock_wait_timeout_basic.test 2008-10-07 11:14:15.000000000 +0300 -@@ -37,10 +37,6 @@ - # Check if Value can set # - #################################################################### - ----error ER_INCORRECT_GLOBAL_LOCAL_VAR --SET @@GLOBAL.innodb_lock_wait_timeout=1; ----echo Expected error 'Read only variable' -- - SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); - --echo 1 Expected - -@@ -84,13 +80,9 @@ - SELECT COUNT(@@innodb_lock_wait_timeout); - --echo 1 Expected - ----Error ER_INCORRECT_GLOBAL_LOCAL_VAR - SELECT COUNT(@@local.innodb_lock_wait_timeout); ----echo Expected error 'Variable is a GLOBAL variable' - ----Error ER_INCORRECT_GLOBAL_LOCAL_VAR - SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); ----echo Expected error 'Variable is a GLOBAL variable' - - SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); - --echo 1 Expected ---- mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result.orig 2008-08-04 09:27:50.000000000 +0300 -+++ mysql-test/suite/sys_vars/r/innodb_lock_wait_timeout_basic.result 2008-10-07 11:15:14.000000000 +0300 -@@ -4,9 +4,6 @@ - 1 - 1 Expected - '#---------------------BS_STVARS_032_02----------------------#' --SET @@GLOBAL.innodb_lock_wait_timeout=1; --ERROR HY000: Variable 'innodb_lock_wait_timeout' is a read only variable --Expected error 'Read only variable' - SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); - COUNT(@@GLOBAL.innodb_lock_wait_timeout) - 1 -@@ -39,11 +36,11 @@ - 1 - 1 Expected - SELECT COUNT(@@local.innodb_lock_wait_timeout); --ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable --Expected error 'Variable is a GLOBAL variable' -+COUNT(@@local.innodb_lock_wait_timeout) -+1 - SELECT COUNT(@@SESSION.innodb_lock_wait_timeout); --ERROR HY000: Variable 'innodb_lock_wait_timeout' is a GLOBAL variable --Expected error 'Variable is a GLOBAL variable' -+COUNT(@@SESSION.innodb_lock_wait_timeout) -+1 - SELECT COUNT(@@GLOBAL.innodb_lock_wait_timeout); - COUNT(@@GLOBAL.innodb_lock_wait_timeout) - 1 diff --git a/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff b/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff deleted file mode 100644 index 72e5457905f..00000000000 --- a/perfschema/mysql-test/patches/innodb_thread_concurrency_basic.diff +++ /dev/null @@ -1,31 +0,0 @@ ---- mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result.orig 2008-12-04 18:45:52 -06:00 -+++ mysql-test/suite/sys_vars/r/innodb_thread_concurrency_basic.result 2009-02-12 02:05:48 -06:00 -@@ -1,19 +1,19 @@ - SET @global_start_value = @@global.innodb_thread_concurrency; - SELECT @global_start_value; - @global_start_value --8 -+0 - '#--------------------FN_DYNVARS_046_01------------------------#' - SET @@global.innodb_thread_concurrency = 0; - SET @@global.innodb_thread_concurrency = DEFAULT; - SELECT @@global.innodb_thread_concurrency; - @@global.innodb_thread_concurrency --8 -+0 - '#---------------------FN_DYNVARS_046_02-------------------------#' - SET innodb_thread_concurrency = 1; - ERROR HY000: Variable 'innodb_thread_concurrency' is a GLOBAL variable and should be set with SET GLOBAL - SELECT @@innodb_thread_concurrency; - @@innodb_thread_concurrency --8 -+0 - SELECT local.innodb_thread_concurrency; - ERROR 42S02: Unknown table 'local' in field list - SET global innodb_thread_concurrency = 0; -@@ -93,4 +93,4 @@ - SET @@global.innodb_thread_concurrency = @global_start_value; - SELECT @@global.innodb_thread_concurrency; - @@global.innodb_thread_concurrency --8 -+0 diff --git a/perfschema/mysql-test/patches/partition_innodb.diff b/perfschema/mysql-test/patches/partition_innodb.diff deleted file mode 100644 index 01bc073008e..00000000000 --- a/perfschema/mysql-test/patches/partition_innodb.diff +++ /dev/null @@ -1,59 +0,0 @@ -The partition_innodb test only fails if run immediately after innodb_trx_weight. -The reason for this failure is that innodb_trx_weight creates deadlocks and -leaves something like this in the SHOW ENGINE INNODB STATUS output: - - ------------------------ - LATEST DETECTED DEADLOCK - ------------------------ - 090213 10:26:25 - *** (1) TRANSACTION: - TRANSACTION 313, ACTIVE 0 sec, OS thread id 13644672 inserting - mysql tables in use 1, locked 1 - LOCK WAIT 4 lock struct(s), heap size 488, 3 row lock(s) - MySQL thread id 3, query id 36 localhost root update - -The regular expressions that partition_innodb is using are intended to extract -the lock structs and row locks numbers from another part of the output: - - ------------ - TRANSACTIONS - ------------ - Trx id counter 31D - Purge done for trx's n:o < 0 undo n:o < 0 - History list length 4 - LIST OF TRANSACTIONS FOR EACH SESSION: - ---TRANSACTION 0, not started, OS thread id 13645056 - 0 lock struct(s), heap size 488, 0 row lock(s) - MySQL thread id 8, query id 81 localhost root - -In the InnoDB Plugin a transaction id is not printed as 2 consecutive -decimal integers (as it is in InnoDB 5.1) but rather as a single -hexadecimal integer. Thus the regular expressions somehow pick the wrong -part of the SHOW ENGINE INNODB STATUS output. - -So after the regular expressions are adjusted to the InnoDB Plugin's variant -of trx_id prinout, then they pick the expected part of the output. - -This patch cannot be proposed to MySQL because the failures occur only -in this tree and do not occur in the standard InnoDB 5.1. - ---- mysql-test/t/partition_innodb.test 2008-11-14 22:51:17 +0000 -+++ mysql-test/t/partition_innodb.test 2009-02-13 07:36:07 +0000 -@@ -27,14 +27,14 @@ - - # grouping/referencing in replace_regex is very slow on long strings, - # removing all before/after the interesting row before grouping/referencing ----replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ -+--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ - SHOW ENGINE InnoDB STATUS; - - UPDATE t1 SET data = data*2 WHERE data = 2; - - # grouping/referencing in replace_regex is very slow on long strings, - # removing all before/after the interesting row before grouping/referencing ----replace_regex /.*---TRANSACTION [0-9]+ [0-9]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ -+--replace_regex /.*---TRANSACTION [0-9A-F]+, .*, OS thread id [0-9]+// /MySQL thread id [0-9]+, query id [0-9]+ .*// /.*([0-9]+ lock struct\(s\)), heap size [0-9]+, ([0-9]+ row lock\(s\)).*/\1 \2/ - SHOW ENGINE InnoDB STATUS; - - SET @@session.tx_isolation = @old_tx_isolation; - diff --git a/perfschema/os/os0file.c b/perfschema/os/os0file.c deleted file mode 100644 index db81e23d90d..00000000000 --- a/perfschema/os/os0file.c +++ /dev/null @@ -1,5144 +0,0 @@ -/*********************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -***********************************************************************/ - -/**************************************************//** -@file os/os0file.c -The interface to the operating system file i/o primitives - -Created 10/21/1995 Heikki Tuuri -*******************************************************/ - -#include "os0file.h" -#include "ut0mem.h" -#include "srv0srv.h" -#include "srv0start.h" -#include "fil0fil.h" -#include "buf0buf.h" -#ifndef UNIV_HOTBACKUP -# include "os0sync.h" -# include "os0thread.h" -#else /* !UNIV_HOTBACKUP */ -# ifdef __WIN__ -/* Add includes for the _stat() call to compile on Windows */ -# include -# include -# include -# endif /* __WIN__ */ -#endif /* !UNIV_HOTBACKUP */ - -#if defined(LINUX_NATIVE_AIO) -#include -#endif - -/* This specifies the file permissions InnoDB uses when it creates files in -Unix; the value of os_innodb_umask is initialized in ha_innodb.cc to -my_umask */ - -#ifndef __WIN__ -/** Umask for creating files */ -UNIV_INTERN ulint os_innodb_umask - = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; -#else -/** Umask for creating files */ -UNIV_INTERN ulint os_innodb_umask = 0; -#endif - -#ifdef UNIV_DO_FLUSH -/* If the following is set to TRUE, we do not call os_file_flush in every -os_file_write. We can set this TRUE when the doublewrite buffer is used. */ -UNIV_INTERN ibool os_do_not_call_flush_at_each_write = FALSE; -#else -/* We do not call os_file_flush in every os_file_write. */ -#endif /* UNIV_DO_FLUSH */ - -#ifndef UNIV_HOTBACKUP -/* We use these mutexes to protect lseek + file i/o operation, if the -OS does not provide an atomic pread or pwrite, or similar */ -#define OS_FILE_N_SEEK_MUTEXES 16 -UNIV_INTERN os_mutex_t os_file_seek_mutexes[OS_FILE_N_SEEK_MUTEXES]; - -/* In simulated aio, merge at most this many consecutive i/os */ -#define OS_AIO_MERGE_N_CONSECUTIVE 64 - -/********************************************************************** - -InnoDB AIO Implementation: -========================= - -We support native AIO for windows and linux. For rest of the platforms -we simulate AIO by special io-threads servicing the IO-requests. - -Simulated AIO: -============== - -In platforms where we 'simulate' AIO following is a rough explanation -of the high level design. -There are four io-threads (for ibuf, log, read, write). -All synchronous IO requests are serviced by the calling thread using -os_file_write/os_file_read. The Asynchronous requests are queued up -in an array (there are four such arrays) by the calling thread. -Later these requests are picked up by the io-thread and are serviced -synchronously. - -Windows native AIO: -================== - -If srv_use_native_aio is not set then windows follow the same -code as simulated AIO. If the flag is set then native AIO interface -is used. On windows, one of the limitation is that if a file is opened -for AIO no synchronous IO can be done on it. Therefore we have an -extra fifth array to queue up synchronous IO requests. -There are innodb_file_io_threads helper threads. These threads work -on the four arrays mentioned above in Simulated AIO. No thread is -required for the sync array. -If a synchronous IO request is made, it is first queued in the sync -array. Then the calling thread itself waits on the request, thus -making the call synchronous. -If an AIO request is made the calling thread not only queues it in the -array but also submits the requests. The helper thread then collects -the completed IO request and calls completion routine on it. - -Linux native AIO: -================= - -If we have libaio installed on the system and innodb_use_native_aio -is set to TRUE we follow the code path of native AIO, otherwise we -do simulated AIO. -There are innodb_file_io_threads helper threads. These threads work -on the four arrays mentioned above in Simulated AIO. -If a synchronous IO request is made, it is handled by calling -os_file_write/os_file_read. -If an AIO request is made the calling thread not only queues it in the -array but also submits the requests. The helper thread then collects -the completed IO request and calls completion routine on it. - -**********************************************************************/ - -/** Flag: enable debug printout for asynchronous i/o */ -UNIV_INTERN ibool os_aio_print_debug = FALSE; - -/** The asynchronous i/o array slot structure */ -typedef struct os_aio_slot_struct os_aio_slot_t; - -/** The asynchronous i/o array slot structure */ -struct os_aio_slot_struct{ - ibool is_read; /*!< TRUE if a read operation */ - ulint pos; /*!< index of the slot in the aio - array */ - ibool reserved; /*!< TRUE if this slot is reserved */ - time_t reservation_time;/*!< time when reserved */ - ulint len; /*!< length of the block to read or - write */ - byte* buf; /*!< buffer used in i/o */ - ulint type; /*!< OS_FILE_READ or OS_FILE_WRITE */ - ulint offset; /*!< 32 low bits of file offset in - bytes */ - ulint offset_high; /*!< 32 high bits of file offset */ - os_file_t file; /*!< file where to read or write */ - const char* name; /*!< file name or path */ - ibool io_already_done;/*!< used only in simulated aio: - TRUE if the physical i/o already - made and only the slot message - needs to be passed to the caller - of os_aio_simulated_handle */ - fil_node_t* message1; /*!< message which is given by the */ - void* message2; /*!< the requester of an aio operation - and which can be used to identify - which pending aio operation was - completed */ -#ifdef WIN_ASYNC_IO - os_event_t event; /*!< event object we need in the - OVERLAPPED struct */ - OVERLAPPED control; /*!< Windows control block for the - aio request */ -#elif defined(LINUX_NATIVE_AIO) - struct iocb control; /* Linux control block for aio */ - int n_bytes; /* bytes written/read. */ - int ret; /* AIO return code */ -#endif -}; - -/** The asynchronous i/o array structure */ -typedef struct os_aio_array_struct os_aio_array_t; - -/** The asynchronous i/o array structure */ -struct os_aio_array_struct{ - os_mutex_t mutex; /*!< the mutex protecting the aio array */ - os_event_t not_full; - /*!< The event which is set to the - signaled state when there is space in - the aio outside the ibuf segment */ - os_event_t is_empty; - /*!< The event which is set to the - signaled state when there are no - pending i/os in this array */ - ulint n_slots;/*!< Total number of slots in the aio - array. This must be divisible by - n_threads. */ - ulint n_segments; - /*!< Number of segments in the aio - array of pending aio requests. A - thread can wait separately for any one - of the segments. */ - ulint cur_seg;/*!< We reserve IO requests in round - robin fashion to different segments. - This points to the segment that is to - be used to service next IO request. */ - ulint n_reserved; - /*!< Number of reserved slots in the - aio array outside the ibuf segment */ - os_aio_slot_t* slots; /*!< Pointer to the slots in the array */ -#ifdef __WIN__ - os_native_event_t* native_events; - /*!< Pointer to an array of OS native - event handles where we copied the - handles from slots, in the same - order. This can be used in - WaitForMultipleObjects; used only in - Windows */ -#endif - -#if defined(LINUX_NATIVE_AIO) - io_context_t* aio_ctx; - /* completion queue for IO. There is - one such queue per segment. Each thread - will work on one ctx exclusively. */ - struct io_event* aio_events; - /* The array to collect completed IOs. - There is one such event for each - possible pending IO. The size of the - array is equal to n_slots. */ -#endif -}; - -#if defined(LINUX_NATIVE_AIO) -/** timeout for each io_getevents() call = 500ms. */ -#define OS_AIO_REAP_TIMEOUT (500000000UL) - -/** time to sleep, in microseconds if io_setup() returns EAGAIN. */ -#define OS_AIO_IO_SETUP_RETRY_SLEEP (500000UL) - -/** number of attempts before giving up on io_setup(). */ -#define OS_AIO_IO_SETUP_RETRY_ATTEMPTS 5 -#endif - -/** Array of events used in simulated aio */ -static os_event_t* os_aio_segment_wait_events = NULL; - -/** The aio arrays for non-ibuf i/o and ibuf i/o, as well as sync aio. These -are NULL when the module has not yet been initialized. @{ */ -static os_aio_array_t* os_aio_read_array = NULL; /*!< Reads */ -static os_aio_array_t* os_aio_write_array = NULL; /*!< Writes */ -static os_aio_array_t* os_aio_ibuf_array = NULL; /*!< Insert buffer */ -static os_aio_array_t* os_aio_log_array = NULL; /*!< Redo log */ -static os_aio_array_t* os_aio_sync_array = NULL; /*!< Synchronous I/O */ -/* @} */ - -/** Number of asynchronous I/O segments. Set by os_aio_init(). */ -static ulint os_aio_n_segments = ULINT_UNDEFINED; - -/** If the following is TRUE, read i/o handler threads try to -wait until a batch of new read requests have been posted */ -static ibool os_aio_recommend_sleep_for_read_threads = FALSE; -#endif /* !UNIV_HOTBACKUP */ - -UNIV_INTERN ulint os_n_file_reads = 0; -UNIV_INTERN ulint os_bytes_read_since_printout = 0; -UNIV_INTERN ulint os_n_file_writes = 0; -UNIV_INTERN ulint os_n_fsyncs = 0; -UNIV_INTERN ulint os_n_file_reads_old = 0; -UNIV_INTERN ulint os_n_file_writes_old = 0; -UNIV_INTERN ulint os_n_fsyncs_old = 0; -UNIV_INTERN time_t os_last_printout; - -UNIV_INTERN ibool os_has_said_disk_full = FALSE; - -#ifndef UNIV_HOTBACKUP -/** The mutex protecting the following counts of pending I/O operations */ -static os_mutex_t os_file_count_mutex; -#endif /* !UNIV_HOTBACKUP */ -/** Number of pending os_file_pread() operations */ -UNIV_INTERN ulint os_file_n_pending_preads = 0; -/** Number of pending os_file_pwrite() operations */ -UNIV_INTERN ulint os_file_n_pending_pwrites = 0; -/** Number of pending write operations */ -UNIV_INTERN ulint os_n_pending_writes = 0; -/** Number of pending read operations */ -UNIV_INTERN ulint os_n_pending_reads = 0; - -/***********************************************************************//** -Gets the operating system version. Currently works only on Windows. -@return OS_WIN95, OS_WIN31, OS_WINNT, OS_WIN2000 */ -UNIV_INTERN -ulint -os_get_os_version(void) -/*===================*/ -{ -#ifdef __WIN__ - OSVERSIONINFO os_info; - - os_info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - - ut_a(GetVersionEx(&os_info)); - - if (os_info.dwPlatformId == VER_PLATFORM_WIN32s) { - return(OS_WIN31); - } else if (os_info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { - return(OS_WIN95); - } else if (os_info.dwPlatformId == VER_PLATFORM_WIN32_NT) { - if (os_info.dwMajorVersion <= 4) { - return(OS_WINNT); - } else { - return(OS_WIN2000); - } - } else { - ut_error; - return(0); - } -#else - ut_error; - - return(0); -#endif -} - -/***********************************************************************//** -Retrieves the last error number if an error occurs in a file io function. -The number should be retrieved before any other OS calls (because they may -overwrite the error number). If the number is not known to this program, -the OS error number + 100 is returned. -@return error number, or OS error number + 100 */ -UNIV_INTERN -ulint -os_file_get_last_error( -/*===================*/ - ibool report_all_errors) /*!< in: TRUE if we want an error message - printed of all errors */ -{ - ulint err; - -#ifdef __WIN__ - - err = (ulint) GetLastError(); - - if (report_all_errors - || (err != ERROR_DISK_FULL && err != ERROR_FILE_EXISTS)) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Operating system error number %lu" - " in a file operation.\n", (ulong) err); - - if (err == ERROR_PATH_NOT_FOUND) { - fprintf(stderr, - "InnoDB: The error means the system" - " cannot find the path specified.\n"); - - if (srv_is_being_started) { - fprintf(stderr, - "InnoDB: If you are installing InnoDB," - " remember that you must create\n" - "InnoDB: directories yourself, InnoDB" - " does not create them.\n"); - } - } else if (err == ERROR_ACCESS_DENIED) { - fprintf(stderr, - "InnoDB: The error means mysqld does not have" - " the access rights to\n" - "InnoDB: the directory. It may also be" - " you have created a subdirectory\n" - "InnoDB: of the same name as a data file.\n"); - } else if (err == ERROR_SHARING_VIOLATION - || err == ERROR_LOCK_VIOLATION) { - fprintf(stderr, - "InnoDB: The error means that another program" - " is using InnoDB's files.\n" - "InnoDB: This might be a backup or antivirus" - " software or another instance\n" - "InnoDB: of MySQL." - " Please close it to get rid of this error.\n"); - } else if (err == ERROR_WORKING_SET_QUOTA - || err == ERROR_NO_SYSTEM_RESOURCES) { - fprintf(stderr, - "InnoDB: The error means that there are no" - " sufficient system resources or quota to" - " complete the operation.\n"); - } else if (err == ERROR_OPERATION_ABORTED) { - fprintf(stderr, - "InnoDB: The error means that the I/O" - " operation has been aborted\n" - "InnoDB: because of either a thread exit" - " or an application request.\n" - "InnoDB: Retry attempt is made.\n"); - } else { - fprintf(stderr, - "InnoDB: Some operating system error numbers" - " are described at\n" - "InnoDB: " - REFMAN - "operating-system-error-codes.html\n"); - } - } - - fflush(stderr); - - if (err == ERROR_FILE_NOT_FOUND) { - return(OS_FILE_NOT_FOUND); - } else if (err == ERROR_DISK_FULL) { - return(OS_FILE_DISK_FULL); - } else if (err == ERROR_FILE_EXISTS) { - return(OS_FILE_ALREADY_EXISTS); - } else if (err == ERROR_SHARING_VIOLATION - || err == ERROR_LOCK_VIOLATION) { - return(OS_FILE_SHARING_VIOLATION); - } else if (err == ERROR_WORKING_SET_QUOTA - || err == ERROR_NO_SYSTEM_RESOURCES) { - return(OS_FILE_INSUFFICIENT_RESOURCE); - } else if (err == ERROR_OPERATION_ABORTED) { - return(OS_FILE_OPERATION_ABORTED); - } else { - return(100 + err); - } -#else - err = (ulint) errno; - - if (report_all_errors - || (err != ENOSPC && err != EEXIST)) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Operating system error number %lu" - " in a file operation.\n", (ulong) err); - - if (err == ENOENT) { - fprintf(stderr, - "InnoDB: The error means the system" - " cannot find the path specified.\n"); - - if (srv_is_being_started) { - fprintf(stderr, - "InnoDB: If you are installing InnoDB," - " remember that you must create\n" - "InnoDB: directories yourself, InnoDB" - " does not create them.\n"); - } - } else if (err == EACCES) { - fprintf(stderr, - "InnoDB: The error means mysqld does not have" - " the access rights to\n" - "InnoDB: the directory.\n"); - } else { - if (strerror((int)err) != NULL) { - fprintf(stderr, - "InnoDB: Error number %lu" - " means '%s'.\n", - err, strerror((int)err)); - } - - fprintf(stderr, - "InnoDB: Some operating system" - " error numbers are described at\n" - "InnoDB: " - REFMAN - "operating-system-error-codes.html\n"); - } - } - - fflush(stderr); - - switch (err) { - case ENOSPC: - return(OS_FILE_DISK_FULL); - case ENOENT: - return(OS_FILE_NOT_FOUND); - case EEXIST: - return(OS_FILE_ALREADY_EXISTS); - case EXDEV: - case ENOTDIR: - case EISDIR: - return(OS_FILE_PATH_ERROR); - case EAGAIN: - if (srv_use_native_aio) { - return(OS_FILE_AIO_RESOURCES_RESERVED); - } - break; - case EINTR: - if (srv_use_native_aio) { - return(OS_FILE_AIO_INTERRUPTED); - } - break; - } - return(100 + err); -#endif -} - -/****************************************************************//** -Does error handling when a file operation fails. -Conditionally exits (calling exit(3)) based on should_exit value and the -error type -@return TRUE if we should retry the operation */ -static -ibool -os_file_handle_error_cond_exit( -/*===========================*/ - const char* name, /*!< in: name of a file or NULL */ - const char* operation, /*!< in: operation */ - ibool should_exit) /*!< in: call exit(3) if unknown error - and this parameter is TRUE */ -{ - ulint err; - - err = os_file_get_last_error(FALSE); - - if (err == OS_FILE_DISK_FULL) { - /* We only print a warning about disk full once */ - - if (os_has_said_disk_full) { - - return(FALSE); - } - - if (name) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Encountered a problem with" - " file %s\n", name); - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Disk is full. Try to clean the disk" - " to free space.\n"); - - os_has_said_disk_full = TRUE; - - fflush(stderr); - - return(FALSE); - } else if (err == OS_FILE_AIO_RESOURCES_RESERVED) { - - return(TRUE); - } else if (err == OS_FILE_AIO_INTERRUPTED) { - - return(TRUE); - } else if (err == OS_FILE_ALREADY_EXISTS - || err == OS_FILE_PATH_ERROR) { - - return(FALSE); - } else if (err == OS_FILE_SHARING_VIOLATION) { - - os_thread_sleep(10000000); /* 10 sec */ - return(TRUE); - } else if (err == OS_FILE_INSUFFICIENT_RESOURCE) { - - os_thread_sleep(100000); /* 100 ms */ - return(TRUE); - } else if (err == OS_FILE_OPERATION_ABORTED) { - - os_thread_sleep(100000); /* 100 ms */ - return(TRUE); - } else { - if (name) { - fprintf(stderr, "InnoDB: File name %s\n", name); - } - - fprintf(stderr, "InnoDB: File operation call: '%s'.\n", - operation); - - if (should_exit) { - fprintf(stderr, "InnoDB: Cannot continue operation.\n"); - - fflush(stderr); - - exit(1); - } - } - - return(FALSE); -} - -/****************************************************************//** -Does error handling when a file operation fails. -@return TRUE if we should retry the operation */ -static -ibool -os_file_handle_error( -/*=================*/ - const char* name, /*!< in: name of a file or NULL */ - const char* operation)/*!< in: operation */ -{ - /* exit in case of unknown error */ - return(os_file_handle_error_cond_exit(name, operation, TRUE)); -} - -/****************************************************************//** -Does error handling when a file operation fails. -@return TRUE if we should retry the operation */ -static -ibool -os_file_handle_error_no_exit( -/*=========================*/ - const char* name, /*!< in: name of a file or NULL */ - const char* operation)/*!< in: operation */ -{ - /* don't exit in case of unknown error */ - return(os_file_handle_error_cond_exit(name, operation, FALSE)); -} - -#undef USE_FILE_LOCK -#define USE_FILE_LOCK -#if defined(UNIV_HOTBACKUP) || defined(__WIN__) || defined(__NETWARE__) -/* InnoDB Hot Backup does not lock the data files. - * On Windows, mandatory locking is used. - */ -# undef USE_FILE_LOCK -#endif -#ifdef USE_FILE_LOCK -/****************************************************************//** -Obtain an exclusive lock on a file. -@return 0 on success */ -static -int -os_file_lock( -/*=========*/ - int fd, /*!< in: file descriptor */ - const char* name) /*!< in: file name */ -{ - struct flock lk; - lk.l_type = F_WRLCK; - lk.l_whence = SEEK_SET; - lk.l_start = lk.l_len = 0; - if (fcntl(fd, F_SETLK, &lk) == -1) { - fprintf(stderr, - "InnoDB: Unable to lock %s, error: %d\n", name, errno); - - if (errno == EAGAIN || errno == EACCES) { - fprintf(stderr, - "InnoDB: Check that you do not already have" - " another mysqld process\n" - "InnoDB: using the same InnoDB data" - " or log files.\n"); - } - - return(-1); - } - - return(0); -} -#endif /* USE_FILE_LOCK */ - -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Creates the seek mutexes used in positioned reads and writes. */ -UNIV_INTERN -void -os_io_init_simple(void) -/*===================*/ -{ - ulint i; - - os_file_count_mutex = os_mutex_create(NULL); - - for (i = 0; i < OS_FILE_N_SEEK_MUTEXES; i++) { - os_file_seek_mutexes[i] = os_mutex_create(NULL); - } -} - -/***********************************************************************//** -Creates a temporary file. This function is like tmpfile(3), but -the temporary file is created in the MySQL temporary directory. -On Netware, this function is like tmpfile(3), because the C run-time -library of Netware does not expose the delete-on-close flag. -@return temporary file handle, or NULL on error */ -UNIV_INTERN -FILE* -os_file_create_tmpfile(void) -/*========================*/ -{ -#ifdef __NETWARE__ - FILE* file = tmpfile(); -#else /* __NETWARE__ */ - FILE* file = NULL; - int fd = innobase_mysql_tmpfile(); - - if (fd >= 0) { - file = fdopen(fd, "w+b"); - } -#endif /* __NETWARE__ */ - - if (!file) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: unable to create temporary file;" - " errno: %d\n", errno); -#ifndef __NETWARE__ - if (fd >= 0) { - close(fd); - } -#endif /* !__NETWARE__ */ - } - - return(file); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************************//** -The os_file_opendir() function opens a directory stream corresponding to the -directory named by the dirname argument. The directory stream is positioned -at the first entry. In both Unix and Windows we automatically skip the '.' -and '..' items at the start of the directory listing. -@return directory stream, NULL if error */ -UNIV_INTERN -os_file_dir_t -os_file_opendir( -/*============*/ - const char* dirname, /*!< in: directory name; it must not - contain a trailing '\' or '/' */ - ibool error_is_fatal) /*!< in: TRUE if we should treat an - error as a fatal error; if we try to - open symlinks then we do not wish a - fatal error if it happens not to be - a directory */ -{ - os_file_dir_t dir; -#ifdef __WIN__ - LPWIN32_FIND_DATA lpFindFileData; - char path[OS_FILE_MAX_PATH + 3]; - - ut_a(strlen(dirname) < OS_FILE_MAX_PATH); - - strcpy(path, dirname); - strcpy(path + strlen(path), "\\*"); - - /* Note that in Windows opening the 'directory stream' also retrieves - the first entry in the directory. Since it is '.', that is no problem, - as we will skip over the '.' and '..' entries anyway. */ - - lpFindFileData = ut_malloc(sizeof(WIN32_FIND_DATA)); - - dir = FindFirstFile((LPCTSTR) path, lpFindFileData); - - ut_free(lpFindFileData); - - if (dir == INVALID_HANDLE_VALUE) { - - if (error_is_fatal) { - os_file_handle_error(dirname, "opendir"); - } - - return(NULL); - } - - return(dir); -#else - dir = opendir(dirname); - - if (dir == NULL && error_is_fatal) { - os_file_handle_error(dirname, "opendir"); - } - - return(dir); -#endif -} - -/***********************************************************************//** -Closes a directory stream. -@return 0 if success, -1 if failure */ -UNIV_INTERN -int -os_file_closedir( -/*=============*/ - os_file_dir_t dir) /*!< in: directory stream */ -{ -#ifdef __WIN__ - BOOL ret; - - ret = FindClose(dir); - - if (!ret) { - os_file_handle_error_no_exit(NULL, "closedir"); - - return(-1); - } - - return(0); -#else - int ret; - - ret = closedir(dir); - - if (ret) { - os_file_handle_error_no_exit(NULL, "closedir"); - } - - return(ret); -#endif -} - -/***********************************************************************//** -This function returns information of the next file in the directory. We jump -over the '.' and '..' entries in the directory. -@return 0 if ok, -1 if error, 1 if at the end of the directory */ -UNIV_INTERN -int -os_file_readdir_next_file( -/*======================*/ - const char* dirname,/*!< in: directory name or path */ - os_file_dir_t dir, /*!< in: directory stream */ - os_file_stat_t* info) /*!< in/out: buffer where the info is returned */ -{ -#ifdef __WIN__ - LPWIN32_FIND_DATA lpFindFileData; - BOOL ret; - - lpFindFileData = ut_malloc(sizeof(WIN32_FIND_DATA)); -next_file: - ret = FindNextFile(dir, lpFindFileData); - - if (ret) { - ut_a(strlen((char *) lpFindFileData->cFileName) - < OS_FILE_MAX_PATH); - - if (strcmp((char *) lpFindFileData->cFileName, ".") == 0 - || strcmp((char *) lpFindFileData->cFileName, "..") == 0) { - - goto next_file; - } - - strcpy(info->name, (char *) lpFindFileData->cFileName); - - info->size = (ib_int64_t)(lpFindFileData->nFileSizeLow) - + (((ib_int64_t)(lpFindFileData->nFileSizeHigh)) - << 32); - - if (lpFindFileData->dwFileAttributes - & FILE_ATTRIBUTE_REPARSE_POINT) { - /* TODO: test Windows symlinks */ - /* TODO: MySQL has apparently its own symlink - implementation in Windows, dbname.sym can - redirect a database directory: - REFMAN "windows-symbolic-links.html" */ - info->type = OS_FILE_TYPE_LINK; - } else if (lpFindFileData->dwFileAttributes - & FILE_ATTRIBUTE_DIRECTORY) { - info->type = OS_FILE_TYPE_DIR; - } else { - /* It is probably safest to assume that all other - file types are normal. Better to check them rather - than blindly skip them. */ - - info->type = OS_FILE_TYPE_FILE; - } - } - - ut_free(lpFindFileData); - - if (ret) { - return(0); - } else if (GetLastError() == ERROR_NO_MORE_FILES) { - - return(1); - } else { - os_file_handle_error_no_exit(dirname, - "readdir_next_file"); - return(-1); - } -#else - struct dirent* ent; - char* full_path; - int ret; - struct stat statinfo; -#ifdef HAVE_READDIR_R - char dirent_buf[sizeof(struct dirent) - + _POSIX_PATH_MAX + 100]; - /* In /mysys/my_lib.c, _POSIX_PATH_MAX + 1 is used as - the max file name len; but in most standards, the - length is NAME_MAX; we add 100 to be even safer */ -#endif - -next_file: - -#ifdef HAVE_READDIR_R - ret = readdir_r(dir, (struct dirent*)dirent_buf, &ent); - - if (ret != 0 -#ifdef UNIV_AIX - /* On AIX, only if we got non-NULL 'ent' (result) value and - a non-zero 'ret' (return) value, it indicates a failed - readdir_r() call. An NULL 'ent' with an non-zero 'ret' - would indicate the "end of the directory" is reached. */ - && ent != NULL -#endif - ) { - fprintf(stderr, - "InnoDB: cannot read directory %s, error %lu\n", - dirname, (ulong)ret); - - return(-1); - } - - if (ent == NULL) { - /* End of directory */ - - return(1); - } - - ut_a(strlen(ent->d_name) < _POSIX_PATH_MAX + 100 - 1); -#else - ent = readdir(dir); - - if (ent == NULL) { - - return(1); - } -#endif - ut_a(strlen(ent->d_name) < OS_FILE_MAX_PATH); - - if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) { - - goto next_file; - } - - strcpy(info->name, ent->d_name); - - full_path = ut_malloc(strlen(dirname) + strlen(ent->d_name) + 10); - - sprintf(full_path, "%s/%s", dirname, ent->d_name); - - ret = stat(full_path, &statinfo); - - if (ret) { - - if (errno == ENOENT) { - /* readdir() returned a file that does not exist, - it must have been deleted in the meantime. Do what - would have happened if the file was deleted before - readdir() - ignore and go to the next entry. - If this is the last entry then info->name will still - contain the name of the deleted file when this - function returns, but this is not an issue since the - caller shouldn't be looking at info when end of - directory is returned. */ - - ut_free(full_path); - - goto next_file; - } - - os_file_handle_error_no_exit(full_path, "stat"); - - ut_free(full_path); - - return(-1); - } - - info->size = (ib_int64_t)statinfo.st_size; - - if (S_ISDIR(statinfo.st_mode)) { - info->type = OS_FILE_TYPE_DIR; - } else if (S_ISLNK(statinfo.st_mode)) { - info->type = OS_FILE_TYPE_LINK; - } else if (S_ISREG(statinfo.st_mode)) { - info->type = OS_FILE_TYPE_FILE; - } else { - info->type = OS_FILE_TYPE_UNKNOWN; - } - - ut_free(full_path); - - return(0); -#endif -} - -/*****************************************************************//** -This function attempts to create a directory named pathname. The new directory -gets default permissions. On Unix the permissions are (0770 & ~umask). If the -directory exists already, nothing is done and the call succeeds, unless the -fail_if_exists arguments is true. -@return TRUE if call succeeds, FALSE on error */ -UNIV_INTERN -ibool -os_file_create_directory( -/*=====================*/ - const char* pathname, /*!< in: directory name as - null-terminated string */ - ibool fail_if_exists) /*!< in: if TRUE, pre-existing directory - is treated as an error. */ -{ -#ifdef __WIN__ - BOOL rcode; - - rcode = CreateDirectory((LPCTSTR) pathname, NULL); - if (!(rcode != 0 - || (GetLastError() == ERROR_ALREADY_EXISTS - && !fail_if_exists))) { - /* failure */ - os_file_handle_error(pathname, "CreateDirectory"); - - return(FALSE); - } - - return (TRUE); -#else - int rcode; - - rcode = mkdir(pathname, 0770); - - if (!(rcode == 0 || (errno == EEXIST && !fail_if_exists))) { - /* failure */ - os_file_handle_error(pathname, "mkdir"); - - return(FALSE); - } - - return (TRUE); -#endif -} - -/****************************************************************//** -A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create_simple( -/*==================*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is - opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error), or - OS_FILE_CREATE_PATH if new file - (if exists, error) and subdirectories along - its path are created (if needed)*/ - ulint access_type,/*!< in: OS_FILE_READ_ONLY or - OS_FILE_READ_WRITE */ - ibool* success)/*!< out: TRUE if succeed, FALSE if error */ -{ -#ifdef __WIN__ - os_file_t file; - DWORD create_flag; - DWORD access; - DWORD attributes = 0; - ibool retry; - -try_again: - ut_a(name); - - if (create_mode == OS_FILE_OPEN) { - create_flag = OPEN_EXISTING; - } else if (create_mode == OS_FILE_CREATE) { - create_flag = CREATE_NEW; - } else if (create_mode == OS_FILE_CREATE_PATH) { - /* create subdirs along the path if needed */ - *success = os_file_create_subdirs_if_needed(name); - if (!*success) { - ut_error; - } - create_flag = CREATE_NEW; - create_mode = OS_FILE_CREATE; - } else { - create_flag = 0; - ut_error; - } - - if (access_type == OS_FILE_READ_ONLY) { - access = GENERIC_READ; - } else if (access_type == OS_FILE_READ_WRITE) { - access = GENERIC_READ | GENERIC_WRITE; - } else { - access = 0; - ut_error; - } - - file = CreateFile((LPCTSTR) name, - access, - FILE_SHARE_READ | FILE_SHARE_WRITE, - /* file can be read and written also - by other processes */ - NULL, /* default security attributes */ - create_flag, - attributes, - NULL); /*!< no template file */ - - if (file == INVALID_HANDLE_VALUE) { - *success = FALSE; - - retry = os_file_handle_error(name, - create_mode == OS_FILE_OPEN ? - "open" : "create"); - if (retry) { - goto try_again; - } - } else { - *success = TRUE; - } - - return(file); -#else /* __WIN__ */ - os_file_t file; - int create_flag; - ibool retry; - -try_again: - ut_a(name); - - if (create_mode == OS_FILE_OPEN) { - if (access_type == OS_FILE_READ_ONLY) { - create_flag = O_RDONLY; - } else { - create_flag = O_RDWR; - } - } else if (create_mode == OS_FILE_CREATE) { - create_flag = O_RDWR | O_CREAT | O_EXCL; - } else if (create_mode == OS_FILE_CREATE_PATH) { - /* create subdirs along the path if needed */ - *success = os_file_create_subdirs_if_needed(name); - if (!*success) { - return (-1); - } - create_flag = O_RDWR | O_CREAT | O_EXCL; - create_mode = OS_FILE_CREATE; - } else { - create_flag = 0; - ut_error; - } - - if (create_mode == OS_FILE_CREATE) { - file = open(name, create_flag, S_IRUSR | S_IWUSR - | S_IRGRP | S_IWGRP); - } else { - file = open(name, create_flag); - } - - if (file == -1) { - *success = FALSE; - - retry = os_file_handle_error(name, - create_mode == OS_FILE_OPEN ? - "open" : "create"); - if (retry) { - goto try_again; - } -#ifdef USE_FILE_LOCK - } else if (access_type == OS_FILE_READ_WRITE - && os_file_lock(file, name)) { - *success = FALSE; - close(file); - file = -1; -#endif - } else { - *success = TRUE; - } - - return(file); -#endif /* __WIN__ */ -} - -/****************************************************************//** -A simple function to open or create a file. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create_simple_no_error_handling( -/*====================================*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file - is opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error) */ - ulint access_type,/*!< in: OS_FILE_READ_ONLY, - OS_FILE_READ_WRITE, or - OS_FILE_READ_ALLOW_DELETE; the last option is - used by a backup program reading the file */ - ibool* success)/*!< out: TRUE if succeed, FALSE if error */ -{ -#ifdef __WIN__ - os_file_t file; - DWORD create_flag; - DWORD access; - DWORD attributes = 0; - DWORD share_mode = FILE_SHARE_READ | FILE_SHARE_WRITE; - - ut_a(name); - - if (create_mode == OS_FILE_OPEN) { - create_flag = OPEN_EXISTING; - } else if (create_mode == OS_FILE_CREATE) { - create_flag = CREATE_NEW; - } else { - create_flag = 0; - ut_error; - } - - if (access_type == OS_FILE_READ_ONLY) { - access = GENERIC_READ; - } else if (access_type == OS_FILE_READ_WRITE) { - access = GENERIC_READ | GENERIC_WRITE; - } else if (access_type == OS_FILE_READ_ALLOW_DELETE) { - access = GENERIC_READ; - share_mode = FILE_SHARE_DELETE | FILE_SHARE_READ - | FILE_SHARE_WRITE; /*!< A backup program has to give - mysqld the maximum freedom to - do what it likes with the - file */ - } else { - access = 0; - ut_error; - } - - file = CreateFile((LPCTSTR) name, - access, - share_mode, - NULL, /* default security attributes */ - create_flag, - attributes, - NULL); /*!< no template file */ - - if (file == INVALID_HANDLE_VALUE) { - *success = FALSE; - } else { - *success = TRUE; - } - - return(file); -#else /* __WIN__ */ - os_file_t file; - int create_flag; - - ut_a(name); - - if (create_mode == OS_FILE_OPEN) { - if (access_type == OS_FILE_READ_ONLY) { - create_flag = O_RDONLY; - } else { - create_flag = O_RDWR; - } - } else if (create_mode == OS_FILE_CREATE) { - create_flag = O_RDWR | O_CREAT | O_EXCL; - } else { - create_flag = 0; - ut_error; - } - - if (create_mode == OS_FILE_CREATE) { - file = open(name, create_flag, S_IRUSR | S_IWUSR - | S_IRGRP | S_IWGRP); - } else { - file = open(name, create_flag); - } - - if (file == -1) { - *success = FALSE; -#ifdef USE_FILE_LOCK - } else if (access_type == OS_FILE_READ_WRITE - && os_file_lock(file, name)) { - *success = FALSE; - close(file); - file = -1; -#endif - } else { - *success = TRUE; - } - - return(file); -#endif /* __WIN__ */ -} - -/****************************************************************//** -Tries to disable OS caching on an opened file descriptor. */ -UNIV_INTERN -void -os_file_set_nocache( -/*================*/ - int fd, /*!< in: file descriptor to alter */ - const char* file_name, /*!< in: file name, used in the - diagnostic message */ - const char* operation_name) /*!< in: "open" or "create"; used in the - diagnostic message */ -{ - /* some versions of Solaris may not have DIRECTIO_ON */ -#if defined(UNIV_SOLARIS) && defined(DIRECTIO_ON) - if (directio(fd, DIRECTIO_ON) == -1) { - int errno_save; - errno_save = (int)errno; - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Failed to set DIRECTIO_ON " - "on file %s: %s: %s, continuing anyway\n", - file_name, operation_name, strerror(errno_save)); - } -#elif defined(O_DIRECT) - if (fcntl(fd, F_SETFL, O_DIRECT) == -1) { - int errno_save; - errno_save = (int)errno; - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Failed to set O_DIRECT " - "on file %s: %s: %s, continuing anyway\n", - file_name, operation_name, strerror(errno_save)); - if (errno_save == EINVAL) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: O_DIRECT is known to result in " - "'Invalid argument' on Linux on tmpfs, " - "see MySQL Bug#26662\n"); - } - } -#endif -} - -/****************************************************************//** -Opens an existing file or creates a new. -@return own: handle to the file, not defined if error, error number -can be retrieved with os_file_get_last_error */ -UNIV_INTERN -os_file_t -os_file_create( -/*===========*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file - is opened (if does not exist, error), or - OS_FILE_CREATE if a new file is created - (if exists, error), - OS_FILE_OVERWRITE if a new file is created - or an old overwritten; - OS_FILE_OPEN_RAW, if a raw device or disk - partition should be opened */ - ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, - non-buffered i/o is desired, - OS_FILE_NORMAL, if any normal file; - NOTE that it also depends on type, os_aio_.. - and srv_.. variables whether we really use - async i/o or unbuffered i/o: look in the - function source code for the exact rules */ - ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ - ibool* success)/*!< out: TRUE if succeed, FALSE if error */ -{ -#ifdef __WIN__ - os_file_t file; - DWORD share_mode = FILE_SHARE_READ; - DWORD create_flag; - DWORD attributes; - ibool retry; -try_again: - ut_a(name); - - if (create_mode == OS_FILE_OPEN_RAW) { - create_flag = OPEN_EXISTING; - share_mode = FILE_SHARE_WRITE; - } else if (create_mode == OS_FILE_OPEN - || create_mode == OS_FILE_OPEN_RETRY) { - create_flag = OPEN_EXISTING; - } else if (create_mode == OS_FILE_CREATE) { - create_flag = CREATE_NEW; - } else if (create_mode == OS_FILE_OVERWRITE) { - create_flag = CREATE_ALWAYS; - } else { - create_flag = 0; - ut_error; - } - - if (purpose == OS_FILE_AIO) { - /* If specified, use asynchronous (overlapped) io and no - buffering of writes in the OS */ - attributes = 0; -#ifdef WIN_ASYNC_IO - if (srv_use_native_aio) { - attributes = attributes | FILE_FLAG_OVERLAPPED; - } -#endif -#ifdef UNIV_NON_BUFFERED_IO -# ifndef UNIV_HOTBACKUP - if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { - /* Do not use unbuffered i/o to log files because - value 2 denotes that we do not flush the log at every - commit, but only once per second */ - } else if (srv_win_file_flush_method - == SRV_WIN_IO_UNBUFFERED) { - attributes = attributes | FILE_FLAG_NO_BUFFERING; - } -# else /* !UNIV_HOTBACKUP */ - attributes = attributes | FILE_FLAG_NO_BUFFERING; -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_NON_BUFFERED_IO */ - } else if (purpose == OS_FILE_NORMAL) { - attributes = 0; -#ifdef UNIV_NON_BUFFERED_IO -# ifndef UNIV_HOTBACKUP - if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) { - /* Do not use unbuffered i/o to log files because - value 2 denotes that we do not flush the log at every - commit, but only once per second */ - } else if (srv_win_file_flush_method - == SRV_WIN_IO_UNBUFFERED) { - attributes = attributes | FILE_FLAG_NO_BUFFERING; - } -# else /* !UNIV_HOTBACKUP */ - attributes = attributes | FILE_FLAG_NO_BUFFERING; -# endif /* !UNIV_HOTBACKUP */ -#endif /* UNIV_NON_BUFFERED_IO */ - } else { - attributes = 0; - ut_error; - } - - file = CreateFile((LPCTSTR) name, - GENERIC_READ | GENERIC_WRITE, /* read and write - access */ - share_mode, /* File can be read also by other - processes; we must give the read - permission because of ibbackup. We do - not give the write permission to - others because if one would succeed to - start 2 instances of mysqld on the - SAME files, that could cause severe - database corruption! When opening - raw disk partitions, Microsoft manuals - say that we must give also the write - permission. */ - NULL, /* default security attributes */ - create_flag, - attributes, - NULL); /*!< no template file */ - - if (file == INVALID_HANDLE_VALUE) { - *success = FALSE; - - /* When srv_file_per_table is on, file creation failure may not - be critical to the whole instance. Do not crash the server in - case of unknown errors. */ - if (srv_file_per_table) { - retry = os_file_handle_error_no_exit(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); - } else { - retry = os_file_handle_error(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); - } - - if (retry) { - goto try_again; - } - } else { - *success = TRUE; - } - - return(file); -#else /* __WIN__ */ - os_file_t file; - int create_flag; - ibool retry; - const char* mode_str = NULL; - const char* type_str = NULL; - const char* purpose_str = NULL; - -try_again: - ut_a(name); - - if (create_mode == OS_FILE_OPEN || create_mode == OS_FILE_OPEN_RAW - || create_mode == OS_FILE_OPEN_RETRY) { - mode_str = "OPEN"; - create_flag = O_RDWR; - } else if (create_mode == OS_FILE_CREATE) { - mode_str = "CREATE"; - create_flag = O_RDWR | O_CREAT | O_EXCL; - } else if (create_mode == OS_FILE_OVERWRITE) { - mode_str = "OVERWRITE"; - create_flag = O_RDWR | O_CREAT | O_TRUNC; - } else { - create_flag = 0; - ut_error; - } - - if (type == OS_LOG_FILE) { - type_str = "LOG"; - } else if (type == OS_DATA_FILE) { - type_str = "DATA"; - } else { - ut_error; - } - - if (purpose == OS_FILE_AIO) { - purpose_str = "AIO"; - } else if (purpose == OS_FILE_NORMAL) { - purpose_str = "NORMAL"; - } else { - ut_error; - } - -#if 0 - fprintf(stderr, "Opening file %s, mode %s, type %s, purpose %s\n", - name, mode_str, type_str, purpose_str); -#endif -#ifdef O_SYNC - /* We let O_SYNC only affect log files; note that we map O_DSYNC to - O_SYNC because the datasync options seemed to corrupt files in 2001 - in both Linux and Solaris */ - if (type == OS_LOG_FILE - && srv_unix_file_flush_method == SRV_UNIX_O_DSYNC) { - -# if 0 - fprintf(stderr, "Using O_SYNC for file %s\n", name); -# endif - - create_flag = create_flag | O_SYNC; - } -#endif /* O_SYNC */ - - file = open(name, create_flag, os_innodb_umask); - - if (file == -1) { - *success = FALSE; - - /* When srv_file_per_table is on, file creation failure may not - be critical to the whole instance. Do not crash the server in - case of unknown errors. */ - if (srv_file_per_table) { - retry = os_file_handle_error_no_exit(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); - } else { - retry = os_file_handle_error(name, - create_mode == OS_FILE_CREATE ? - "create" : "open"); - } - - if (retry) { - goto try_again; - } else { - return(file /* -1 */); - } - } - /* else */ - - *success = TRUE; - - /* We disable OS caching (O_DIRECT) only on data files */ - if (type != OS_LOG_FILE - && srv_unix_file_flush_method == SRV_UNIX_O_DIRECT) { - - os_file_set_nocache(file, name, mode_str); - } - -#ifdef USE_FILE_LOCK - if (create_mode != OS_FILE_OPEN_RAW && os_file_lock(file, name)) { - - if (create_mode == OS_FILE_OPEN_RETRY) { - int i; - ut_print_timestamp(stderr); - fputs(" InnoDB: Retrying to lock" - " the first data file\n", - stderr); - for (i = 0; i < 100; i++) { - os_thread_sleep(1000000); - if (!os_file_lock(file, name)) { - *success = TRUE; - return(file); - } - } - ut_print_timestamp(stderr); - fputs(" InnoDB: Unable to open the first data file\n", - stderr); - } - - *success = FALSE; - close(file); - file = -1; - } -#endif /* USE_FILE_LOCK */ - - return(file); -#endif /* __WIN__ */ -} - -/***********************************************************************//** -Deletes a file if it exists. The file has to be closed before calling this. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_delete_if_exists( -/*=====================*/ - const char* name) /*!< in: file path as a null-terminated string */ -{ -#ifdef __WIN__ - BOOL ret; - ulint count = 0; -loop: - /* In Windows, deleting an .ibd file may fail if ibbackup is copying - it */ - - ret = DeleteFile((LPCTSTR)name); - - if (ret) { - return(TRUE); - } - - if (GetLastError() == ERROR_FILE_NOT_FOUND) { - /* the file does not exist, this not an error */ - - return(TRUE); - } - - count++; - - if (count > 100 && 0 == (count % 10)) { - fprintf(stderr, - "InnoDB: Warning: cannot delete file %s\n" - "InnoDB: Are you running ibbackup" - " to back up the file?\n", name); - - os_file_get_last_error(TRUE); /* print error information */ - } - - os_thread_sleep(1000000); /* sleep for a second */ - - if (count > 2000) { - - return(FALSE); - } - - goto loop; -#else - int ret; - - ret = unlink(name); - - if (ret != 0 && errno != ENOENT) { - os_file_handle_error_no_exit(name, "delete"); - - return(FALSE); - } - - return(TRUE); -#endif -} - -/***********************************************************************//** -Deletes a file. The file has to be closed before calling this. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_delete( -/*===========*/ - const char* name) /*!< in: file path as a null-terminated string */ -{ -#ifdef __WIN__ - BOOL ret; - ulint count = 0; -loop: - /* In Windows, deleting an .ibd file may fail if ibbackup is copying - it */ - - ret = DeleteFile((LPCTSTR)name); - - if (ret) { - return(TRUE); - } - - if (GetLastError() == ERROR_FILE_NOT_FOUND) { - /* If the file does not exist, we classify this as a 'mild' - error and return */ - - return(FALSE); - } - - count++; - - if (count > 100 && 0 == (count % 10)) { - fprintf(stderr, - "InnoDB: Warning: cannot delete file %s\n" - "InnoDB: Are you running ibbackup" - " to back up the file?\n", name); - - os_file_get_last_error(TRUE); /* print error information */ - } - - os_thread_sleep(1000000); /* sleep for a second */ - - if (count > 2000) { - - return(FALSE); - } - - goto loop; -#else - int ret; - - ret = unlink(name); - - if (ret != 0) { - os_file_handle_error_no_exit(name, "delete"); - - return(FALSE); - } - - return(TRUE); -#endif -} - -/***********************************************************************//** -Renames a file (can also move it to another directory). It is safest that the -file is closed before calling this function. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_rename( -/*===========*/ - const char* oldpath,/*!< in: old file path as a null-terminated - string */ - const char* newpath)/*!< in: new file path */ -{ -#ifdef __WIN__ - BOOL ret; - - ret = MoveFile((LPCTSTR)oldpath, (LPCTSTR)newpath); - - if (ret) { - return(TRUE); - } - - os_file_handle_error_no_exit(oldpath, "rename"); - - return(FALSE); -#else - int ret; - - ret = rename(oldpath, newpath); - - if (ret != 0) { - os_file_handle_error_no_exit(oldpath, "rename"); - - return(FALSE); - } - - return(TRUE); -#endif -} - -/***********************************************************************//** -Closes a file handle. In case of error, error number can be retrieved with -os_file_get_last_error. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_close( -/*==========*/ - os_file_t file) /*!< in, own: handle to a file */ -{ -#ifdef __WIN__ - BOOL ret; - - ut_a(file); - - ret = CloseHandle(file); - - if (ret) { - return(TRUE); - } - - os_file_handle_error(NULL, "close"); - - return(FALSE); -#else - int ret; - - ret = close(file); - - if (ret == -1) { - os_file_handle_error(NULL, "close"); - - return(FALSE); - } - - return(TRUE); -#endif -} - -#ifdef UNIV_HOTBACKUP -/***********************************************************************//** -Closes a file handle. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_close_no_error_handling( -/*============================*/ - os_file_t file) /*!< in, own: handle to a file */ -{ -#ifdef __WIN__ - BOOL ret; - - ut_a(file); - - ret = CloseHandle(file); - - if (ret) { - return(TRUE); - } - - return(FALSE); -#else - int ret; - - ret = close(file); - - if (ret == -1) { - - return(FALSE); - } - - return(TRUE); -#endif -} -#endif /* UNIV_HOTBACKUP */ - -/***********************************************************************//** -Gets a file size. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_get_size( -/*=============*/ - os_file_t file, /*!< in: handle to a file */ - ulint* size, /*!< out: least significant 32 bits of file - size */ - ulint* size_high)/*!< out: most significant 32 bits of size */ -{ -#ifdef __WIN__ - DWORD high; - DWORD low; - - low = GetFileSize(file, &high); - - if ((low == 0xFFFFFFFF) && (GetLastError() != NO_ERROR)) { - return(FALSE); - } - - *size = low; - *size_high = high; - - return(TRUE); -#else - off_t offs; - - offs = lseek(file, 0, SEEK_END); - - if (offs == ((off_t)-1)) { - - return(FALSE); - } - - if (sizeof(off_t) > 4) { - *size = (ulint)(offs & 0xFFFFFFFFUL); - *size_high = (ulint)(offs >> 32); - } else { - *size = (ulint) offs; - *size_high = 0; - } - - return(TRUE); -#endif -} - -/***********************************************************************//** -Gets file size as a 64-bit integer ib_int64_t. -@return size in bytes, -1 if error */ -UNIV_INTERN -ib_int64_t -os_file_get_size_as_iblonglong( -/*===========================*/ - os_file_t file) /*!< in: handle to a file */ -{ - ulint size; - ulint size_high; - ibool success; - - success = os_file_get_size(file, &size, &size_high); - - if (!success) { - - return(-1); - } - - return((((ib_int64_t)size_high) << 32) + (ib_int64_t)size); -} - -/***********************************************************************//** -Write the specified number of zeros to a newly created file. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_set_size( -/*=============*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - os_file_t file, /*!< in: handle to a file */ - ulint size, /*!< in: least significant 32 bits of file - size */ - ulint size_high)/*!< in: most significant 32 bits of size */ -{ - ib_int64_t current_size; - ib_int64_t desired_size; - ibool ret; - byte* buf; - byte* buf2; - ulint buf_size; - - ut_a(size == (size & 0xFFFFFFFF)); - - current_size = 0; - desired_size = (ib_int64_t)size + (((ib_int64_t)size_high) << 32); - - /* Write up to 1 megabyte at a time. */ - buf_size = ut_min(64, (ulint) (desired_size / UNIV_PAGE_SIZE)) - * UNIV_PAGE_SIZE; - buf2 = ut_malloc(buf_size + UNIV_PAGE_SIZE); - - /* Align the buffer for possible raw i/o */ - buf = ut_align(buf2, UNIV_PAGE_SIZE); - - /* Write buffer full of zeros */ - memset(buf, 0, buf_size); - - if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { - - fprintf(stderr, "InnoDB: Progress in MB:"); - } - - while (current_size < desired_size) { - ulint n_bytes; - - if (desired_size - current_size < (ib_int64_t) buf_size) { - n_bytes = (ulint) (desired_size - current_size); - } else { - n_bytes = buf_size; - } - - ret = os_file_write(name, file, buf, - (ulint)(current_size & 0xFFFFFFFF), - (ulint)(current_size >> 32), - n_bytes); - if (!ret) { - ut_free(buf2); - goto error_handling; - } - - /* Print about progress for each 100 MB written */ - if ((ib_int64_t) (current_size + n_bytes) / (ib_int64_t)(100 * 1024 * 1024) - != current_size / (ib_int64_t)(100 * 1024 * 1024)) { - - fprintf(stderr, " %lu00", - (ulong) ((current_size + n_bytes) - / (ib_int64_t)(100 * 1024 * 1024))); - } - - current_size += n_bytes; - } - - if (desired_size >= (ib_int64_t)(100 * 1024 * 1024)) { - - fprintf(stderr, "\n"); - } - - ut_free(buf2); - - ret = os_file_flush(file); - - if (ret) { - return(TRUE); - } - -error_handling: - return(FALSE); -} - -/***********************************************************************//** -Truncates a file at its current position. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_set_eof( -/*============*/ - FILE* file) /*!< in: file to be truncated */ -{ -#ifdef __WIN__ - HANDLE h = (HANDLE) _get_osfhandle(fileno(file)); - return(SetEndOfFile(h)); -#else /* __WIN__ */ - return(!ftruncate(fileno(file), ftell(file))); -#endif /* __WIN__ */ -} - -#ifndef __WIN__ -/***********************************************************************//** -Wrapper to fsync(2) that retries the call on some errors. -Returns the value 0 if successful; otherwise the value -1 is returned and -the global variable errno is set to indicate the error. -@return 0 if success, -1 otherwise */ - -static -int -os_file_fsync( -/*==========*/ - os_file_t file) /*!< in: handle to a file */ -{ - int ret; - int failures; - ibool retry; - - failures = 0; - - do { - ret = fsync(file); - - os_n_fsyncs++; - - if (ret == -1 && errno == ENOLCK) { - - if (failures % 100 == 0) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: fsync(): " - "No locks available; retrying\n"); - } - - os_thread_sleep(200000 /* 0.2 sec */); - - failures++; - - retry = TRUE; - } else { - - retry = FALSE; - } - } while (retry); - - return(ret); -} -#endif /* !__WIN__ */ - -/***********************************************************************//** -Flushes the write buffers of a given file to the disk. -@return TRUE if success */ -UNIV_INTERN -ibool -os_file_flush( -/*==========*/ - os_file_t file) /*!< in, own: handle to a file */ -{ -#ifdef __WIN__ - BOOL ret; - - ut_a(file); - - os_n_fsyncs++; - - ret = FlushFileBuffers(file); - - if (ret) { - return(TRUE); - } - - /* Since Windows returns ERROR_INVALID_FUNCTION if the 'file' is - actually a raw device, we choose to ignore that error if we are using - raw disks */ - - if (srv_start_raw_disk_in_use && GetLastError() - == ERROR_INVALID_FUNCTION) { - return(TRUE); - } - - os_file_handle_error(NULL, "flush"); - - /* It is a fatal error if a file flush does not succeed, because then - the database can get corrupt on disk */ - ut_error; - - return(FALSE); -#else - int ret; - -#if defined(HAVE_DARWIN_THREADS) -# ifndef F_FULLFSYNC - /* The following definition is from the Mac OS X 10.3 */ -# define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ -# elif F_FULLFSYNC != 51 -# error "F_FULLFSYNC != 51: ABI incompatibility with Mac OS X 10.3" -# endif - /* Apple has disabled fsync() for internal disk drives in OS X. That - caused corruption for a user when he tested a power outage. Let us in - OS X use a nonstandard flush method recommended by an Apple - engineer. */ - - if (!srv_have_fullfsync) { - /* If we are not on an operating system that supports this, - then fall back to a plain fsync. */ - - ret = os_file_fsync(file); - } else { - ret = fcntl(file, F_FULLFSYNC, NULL); - - if (ret) { - /* If we are not on a file system that supports this, - then fall back to a plain fsync. */ - ret = os_file_fsync(file); - } - } -#else - ret = os_file_fsync(file); -#endif - - if (ret == 0) { - return(TRUE); - } - - /* Since Linux returns EINVAL if the 'file' is actually a raw device, - we choose to ignore that error if we are using raw disks */ - - if (srv_start_raw_disk_in_use && errno == EINVAL) { - - return(TRUE); - } - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: the OS said file flush did not succeed\n"); - - os_file_handle_error(NULL, "flush"); - - /* It is a fatal error if a file flush does not succeed, because then - the database can get corrupt on disk */ - ut_error; - - return(FALSE); -#endif -} - -#ifndef __WIN__ -/*******************************************************************//** -Does a synchronous read operation in Posix. -@return number of bytes read, -1 if error */ -static -ssize_t -os_file_pread( -/*==========*/ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read */ - ulint n, /*!< in: number of bytes to read */ - ulint offset, /*!< in: least significant 32 bits of file - offset from where to read */ - ulint offset_high) /*!< in: most significant 32 bits of - offset */ -{ - off_t offs; -#if defined(HAVE_PREAD) && !defined(HAVE_BROKEN_PREAD) - ssize_t n_bytes; -#endif /* HAVE_PREAD && !HAVE_BROKEN_PREAD */ - - ut_a((offset & 0xFFFFFFFFUL) == offset); - - /* If off_t is > 4 bytes in size, then we assume we can pass a - 64-bit address */ - - if (sizeof(off_t) > 4) { - offs = (off_t)offset + (((off_t)offset_high) << 32); - - } else { - offs = (off_t)offset; - - if (offset_high > 0) { - fprintf(stderr, - "InnoDB: Error: file read at offset > 4 GB\n"); - } - } - - os_n_file_reads++; - -#if defined(HAVE_PREAD) && !defined(HAVE_BROKEN_PREAD) - os_mutex_enter(os_file_count_mutex); - os_file_n_pending_preads++; - os_n_pending_reads++; - os_mutex_exit(os_file_count_mutex); - - n_bytes = pread(file, buf, (ssize_t)n, offs); - - os_mutex_enter(os_file_count_mutex); - os_file_n_pending_preads--; - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - return(n_bytes); -#else - { - off_t ret_offset; - ssize_t ret; -#ifndef UNIV_HOTBACKUP - ulint i; -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads++; - os_mutex_exit(os_file_count_mutex); - -#ifndef UNIV_HOTBACKUP - /* Protect the seek / read operation with a mutex */ - i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; - - os_mutex_enter(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - ret_offset = lseek(file, offs, SEEK_SET); - - if (ret_offset < 0) { - ret = -1; - } else { - ret = read(file, buf, (ssize_t)n); - } - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - return(ret); - } -#endif -} - -/*******************************************************************//** -Does a synchronous write operation in Posix. -@return number of bytes written, -1 if error */ -static -ssize_t -os_file_pwrite( -/*===========*/ - os_file_t file, /*!< in: handle to a file */ - const void* buf, /*!< in: buffer from where to write */ - ulint n, /*!< in: number of bytes to write */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to write */ - ulint offset_high) /*!< in: most significant 32 bits of - offset */ -{ - ssize_t ret; - off_t offs; - - ut_a((offset & 0xFFFFFFFFUL) == offset); - - /* If off_t is > 4 bytes in size, then we assume we can pass a - 64-bit address */ - - if (sizeof(off_t) > 4) { - offs = (off_t)offset + (((off_t)offset_high) << 32); - } else { - offs = (off_t)offset; - - if (offset_high > 0) { - fprintf(stderr, - "InnoDB: Error: file write" - " at offset > 4 GB\n"); - } - } - - os_n_file_writes++; - -#if defined(HAVE_PWRITE) && !defined(HAVE_BROKEN_PREAD) - os_mutex_enter(os_file_count_mutex); - os_file_n_pending_pwrites++; - os_n_pending_writes++; - os_mutex_exit(os_file_count_mutex); - - ret = pwrite(file, buf, (ssize_t)n, offs); - - os_mutex_enter(os_file_count_mutex); - os_file_n_pending_pwrites--; - os_n_pending_writes--; - os_mutex_exit(os_file_count_mutex); - -# ifdef UNIV_DO_FLUSH - if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC - && srv_unix_file_flush_method != SRV_UNIX_NOSYNC - && !os_do_not_call_flush_at_each_write) { - - /* Always do fsync to reduce the probability that when - the OS crashes, a database page is only partially - physically written to disk. */ - - ut_a(TRUE == os_file_flush(file)); - } -# endif /* UNIV_DO_FLUSH */ - - return(ret); -#else - { - off_t ret_offset; -# ifndef UNIV_HOTBACKUP - ulint i; -# endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_writes++; - os_mutex_exit(os_file_count_mutex); - -# ifndef UNIV_HOTBACKUP - /* Protect the seek / write operation with a mutex */ - i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; - - os_mutex_enter(os_file_seek_mutexes[i]); -# endif /* UNIV_HOTBACKUP */ - - ret_offset = lseek(file, offs, SEEK_SET); - - if (ret_offset < 0) { - ret = -1; - - goto func_exit; - } - - ret = write(file, buf, (ssize_t)n); - -# ifdef UNIV_DO_FLUSH - if (srv_unix_file_flush_method != SRV_UNIX_LITTLESYNC - && srv_unix_file_flush_method != SRV_UNIX_NOSYNC - && !os_do_not_call_flush_at_each_write) { - - /* Always do fsync to reduce the probability that when - the OS crashes, a database page is only partially - physically written to disk. */ - - ut_a(TRUE == os_file_flush(file)); - } -# endif /* UNIV_DO_FLUSH */ - -func_exit: -# ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -# endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_writes--; - os_mutex_exit(os_file_count_mutex); - - return(ret); - } -#endif -} -#endif - -/*******************************************************************//** -Requests a synchronous positioned read operation. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_read( -/*=========*/ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to read */ - ulint offset_high, /*!< in: most significant 32 bits of - offset */ - ulint n) /*!< in: number of bytes to read */ -{ -#ifdef __WIN__ - BOOL ret; - DWORD len; - DWORD ret2; - DWORD low; - DWORD high; - ibool retry; -#ifndef UNIV_HOTBACKUP - ulint i; -#endif /* !UNIV_HOTBACKUP */ - - ut_a((offset & 0xFFFFFFFFUL) == offset); - - os_n_file_reads++; - os_bytes_read_since_printout += n; - -try_again: - ut_ad(file); - ut_ad(buf); - ut_ad(n > 0); - - low = (DWORD) offset; - high = (DWORD) offset_high; - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads++; - os_mutex_exit(os_file_count_mutex); - -#ifndef UNIV_HOTBACKUP - /* Protect the seek / read operation with a mutex */ - i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; - - os_mutex_enter(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); - - if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - goto error_handling; - } - - ret = ReadFile(file, buf, (DWORD) n, &len, NULL); - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - if (ret && len == n) { - return(TRUE); - } -#else /* __WIN__ */ - ibool retry; - ssize_t ret; - - os_bytes_read_since_printout += n; - -try_again: - ret = os_file_pread(file, buf, n, offset, offset_high); - - if ((ulint)ret == n) { - - return(TRUE); - } - - fprintf(stderr, - "InnoDB: Error: tried to read %lu bytes at offset %lu %lu.\n" - "InnoDB: Was only able to read %ld.\n", - (ulong)n, (ulong)offset_high, - (ulong)offset, (long)ret); -#endif /* __WIN__ */ -#ifdef __WIN__ -error_handling: -#endif - retry = os_file_handle_error(NULL, "read"); - - if (retry) { - goto try_again; - } - - fprintf(stderr, - "InnoDB: Fatal error: cannot read from file." - " OS error number %lu.\n", -#ifdef __WIN__ - (ulong) GetLastError() -#else - (ulong) errno -#endif - ); - fflush(stderr); - - ut_error; - - return(FALSE); -} - -/*******************************************************************//** -Requests a synchronous positioned read operation. This function does not do -any error handling. In case of error it returns FALSE. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_read_no_error_handling( -/*===========================*/ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to read */ - ulint offset_high, /*!< in: most significant 32 bits of - offset */ - ulint n) /*!< in: number of bytes to read */ -{ -#ifdef __WIN__ - BOOL ret; - DWORD len; - DWORD ret2; - DWORD low; - DWORD high; - ibool retry; -#ifndef UNIV_HOTBACKUP - ulint i; -#endif /* !UNIV_HOTBACKUP */ - - ut_a((offset & 0xFFFFFFFFUL) == offset); - - os_n_file_reads++; - os_bytes_read_since_printout += n; - -try_again: - ut_ad(file); - ut_ad(buf); - ut_ad(n > 0); - - low = (DWORD) offset; - high = (DWORD) offset_high; - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads++; - os_mutex_exit(os_file_count_mutex); - -#ifndef UNIV_HOTBACKUP - /* Protect the seek / read operation with a mutex */ - i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; - - os_mutex_enter(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); - - if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - goto error_handling; - } - - ret = ReadFile(file, buf, (DWORD) n, &len, NULL); - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_reads--; - os_mutex_exit(os_file_count_mutex); - - if (ret && len == n) { - return(TRUE); - } -#else /* __WIN__ */ - ibool retry; - ssize_t ret; - - os_bytes_read_since_printout += n; - -try_again: - ret = os_file_pread(file, buf, n, offset, offset_high); - - if ((ulint)ret == n) { - - return(TRUE); - } -#endif /* __WIN__ */ -#ifdef __WIN__ -error_handling: -#endif - retry = os_file_handle_error_no_exit(NULL, "read"); - - if (retry) { - goto try_again; - } - - return(FALSE); -} - -/*******************************************************************//** -Rewind file to its start, read at most size - 1 bytes from it to str, and -NUL-terminate str. All errors are silently ignored. This function is -mostly meant to be used with temporary files. */ -UNIV_INTERN -void -os_file_read_string( -/*================*/ - FILE* file, /*!< in: file to read from */ - char* str, /*!< in: buffer where to read */ - ulint size) /*!< in: size of buffer */ -{ - size_t flen; - - if (size == 0) { - return; - } - - rewind(file); - flen = fread(str, 1, size - 1, file); - str[flen] = '\0'; -} - -/*******************************************************************//** -Requests a synchronous write operation. -@return TRUE if request was successful, FALSE if fail */ -UNIV_INTERN -ibool -os_file_write( -/*==========*/ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - os_file_t file, /*!< in: handle to a file */ - const void* buf, /*!< in: buffer from which to write */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to write */ - ulint offset_high, /*!< in: most significant 32 bits of - offset */ - ulint n) /*!< in: number of bytes to write */ -{ -#ifdef __WIN__ - BOOL ret; - DWORD len; - DWORD ret2; - DWORD low; - DWORD high; - ulint n_retries = 0; - ulint err; -#ifndef UNIV_HOTBACKUP - ulint i; -#endif /* !UNIV_HOTBACKUP */ - - ut_a((offset & 0xFFFFFFFF) == offset); - - os_n_file_writes++; - - ut_ad(file); - ut_ad(buf); - ut_ad(n > 0); -retry: - low = (DWORD) offset; - high = (DWORD) offset_high; - - os_mutex_enter(os_file_count_mutex); - os_n_pending_writes++; - os_mutex_exit(os_file_count_mutex); - -#ifndef UNIV_HOTBACKUP - /* Protect the seek / write operation with a mutex */ - i = ((ulint) file) % OS_FILE_N_SEEK_MUTEXES; - - os_mutex_enter(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - ret2 = SetFilePointer(file, low, &high, FILE_BEGIN); - - if (ret2 == 0xFFFFFFFF && GetLastError() != NO_ERROR) { - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_writes--; - os_mutex_exit(os_file_count_mutex); - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: File pointer positioning to" - " file %s failed at\n" - "InnoDB: offset %lu %lu. Operating system" - " error number %lu.\n" - "InnoDB: Some operating system error numbers" - " are described at\n" - "InnoDB: " - REFMAN "operating-system-error-codes.html\n", - name, (ulong) offset_high, (ulong) offset, - (ulong) GetLastError()); - - return(FALSE); - } - - ret = WriteFile(file, buf, (DWORD) n, &len, NULL); - - /* Always do fsync to reduce the probability that when the OS crashes, - a database page is only partially physically written to disk. */ - -# ifdef UNIV_DO_FLUSH - if (!os_do_not_call_flush_at_each_write) { - ut_a(TRUE == os_file_flush(file)); - } -# endif /* UNIV_DO_FLUSH */ - -#ifndef UNIV_HOTBACKUP - os_mutex_exit(os_file_seek_mutexes[i]); -#endif /* !UNIV_HOTBACKUP */ - - os_mutex_enter(os_file_count_mutex); - os_n_pending_writes--; - os_mutex_exit(os_file_count_mutex); - - if (ret && len == n) { - - return(TRUE); - } - - /* If some background file system backup tool is running, then, at - least in Windows 2000, we may get here a specific error. Let us - retry the operation 100 times, with 1 second waits. */ - - if (GetLastError() == ERROR_LOCK_VIOLATION && n_retries < 100) { - - os_thread_sleep(1000000); - - n_retries++; - - goto retry; - } - - if (!os_has_said_disk_full) { - - err = (ulint)GetLastError(); - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: Write to file %s failed" - " at offset %lu %lu.\n" - "InnoDB: %lu bytes should have been written," - " only %lu were written.\n" - "InnoDB: Operating system error number %lu.\n" - "InnoDB: Check that your OS and file system" - " support files of this size.\n" - "InnoDB: Check also that the disk is not full" - " or a disk quota exceeded.\n", - name, (ulong) offset_high, (ulong) offset, - (ulong) n, (ulong) len, (ulong) err); - - if (strerror((int)err) != NULL) { - fprintf(stderr, - "InnoDB: Error number %lu means '%s'.\n", - (ulong) err, strerror((int)err)); - } - - fprintf(stderr, - "InnoDB: Some operating system error numbers" - " are described at\n" - "InnoDB: " - REFMAN "operating-system-error-codes.html\n"); - - os_has_said_disk_full = TRUE; - } - - return(FALSE); -#else - ssize_t ret; - - ret = os_file_pwrite(file, buf, n, offset, offset_high); - - if ((ulint)ret == n) { - - return(TRUE); - } - - if (!os_has_said_disk_full) { - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: Write to file %s failed" - " at offset %lu %lu.\n" - "InnoDB: %lu bytes should have been written," - " only %ld were written.\n" - "InnoDB: Operating system error number %lu.\n" - "InnoDB: Check that your OS and file system" - " support files of this size.\n" - "InnoDB: Check also that the disk is not full" - " or a disk quota exceeded.\n", - name, offset_high, offset, n, (long int)ret, - (ulint)errno); - if (strerror(errno) != NULL) { - fprintf(stderr, - "InnoDB: Error number %lu means '%s'.\n", - (ulint)errno, strerror(errno)); - } - - fprintf(stderr, - "InnoDB: Some operating system error numbers" - " are described at\n" - "InnoDB: " - REFMAN "operating-system-error-codes.html\n"); - - os_has_said_disk_full = TRUE; - } - - return(FALSE); -#endif -} - -/*******************************************************************//** -Check the existence and type of the given file. -@return TRUE if call succeeded */ -UNIV_INTERN -ibool -os_file_status( -/*===========*/ - const char* path, /*!< in: pathname of the file */ - ibool* exists, /*!< out: TRUE if file exists */ - os_file_type_t* type) /*!< out: type of the file (if it exists) */ -{ -#ifdef __WIN__ - int ret; - struct _stat statinfo; - - ret = _stat(path, &statinfo); - if (ret && (errno == ENOENT || errno == ENOTDIR)) { - /* file does not exist */ - *exists = FALSE; - return(TRUE); - } else if (ret) { - /* file exists, but stat call failed */ - - os_file_handle_error_no_exit(path, "stat"); - - return(FALSE); - } - - if (_S_IFDIR & statinfo.st_mode) { - *type = OS_FILE_TYPE_DIR; - } else if (_S_IFREG & statinfo.st_mode) { - *type = OS_FILE_TYPE_FILE; - } else { - *type = OS_FILE_TYPE_UNKNOWN; - } - - *exists = TRUE; - - return(TRUE); -#else - int ret; - struct stat statinfo; - - ret = stat(path, &statinfo); - if (ret && (errno == ENOENT || errno == ENOTDIR)) { - /* file does not exist */ - *exists = FALSE; - return(TRUE); - } else if (ret) { - /* file exists, but stat call failed */ - - os_file_handle_error_no_exit(path, "stat"); - - return(FALSE); - } - - if (S_ISDIR(statinfo.st_mode)) { - *type = OS_FILE_TYPE_DIR; - } else if (S_ISLNK(statinfo.st_mode)) { - *type = OS_FILE_TYPE_LINK; - } else if (S_ISREG(statinfo.st_mode)) { - *type = OS_FILE_TYPE_FILE; - } else { - *type = OS_FILE_TYPE_UNKNOWN; - } - - *exists = TRUE; - - return(TRUE); -#endif -} - -/*******************************************************************//** -This function returns information about the specified file -@return TRUE if stat information found */ -UNIV_INTERN -ibool -os_file_get_status( -/*===============*/ - const char* path, /*!< in: pathname of the file */ - os_file_stat_t* stat_info) /*!< information of a file in a - directory */ -{ -#ifdef __WIN__ - int ret; - struct _stat statinfo; - - ret = _stat(path, &statinfo); - if (ret && (errno == ENOENT || errno == ENOTDIR)) { - /* file does not exist */ - - return(FALSE); - } else if (ret) { - /* file exists, but stat call failed */ - - os_file_handle_error_no_exit(path, "stat"); - - return(FALSE); - } - if (_S_IFDIR & statinfo.st_mode) { - stat_info->type = OS_FILE_TYPE_DIR; - } else if (_S_IFREG & statinfo.st_mode) { - stat_info->type = OS_FILE_TYPE_FILE; - } else { - stat_info->type = OS_FILE_TYPE_UNKNOWN; - } - - stat_info->ctime = statinfo.st_ctime; - stat_info->atime = statinfo.st_atime; - stat_info->mtime = statinfo.st_mtime; - stat_info->size = statinfo.st_size; - - return(TRUE); -#else - int ret; - struct stat statinfo; - - ret = stat(path, &statinfo); - - if (ret && (errno == ENOENT || errno == ENOTDIR)) { - /* file does not exist */ - - return(FALSE); - } else if (ret) { - /* file exists, but stat call failed */ - - os_file_handle_error_no_exit(path, "stat"); - - return(FALSE); - } - - if (S_ISDIR(statinfo.st_mode)) { - stat_info->type = OS_FILE_TYPE_DIR; - } else if (S_ISLNK(statinfo.st_mode)) { - stat_info->type = OS_FILE_TYPE_LINK; - } else if (S_ISREG(statinfo.st_mode)) { - stat_info->type = OS_FILE_TYPE_FILE; - } else { - stat_info->type = OS_FILE_TYPE_UNKNOWN; - } - - stat_info->ctime = statinfo.st_ctime; - stat_info->atime = statinfo.st_atime; - stat_info->mtime = statinfo.st_mtime; - stat_info->size = statinfo.st_size; - - return(TRUE); -#endif -} - -/* path name separator character */ -#ifdef __WIN__ -# define OS_FILE_PATH_SEPARATOR '\\' -#else -# define OS_FILE_PATH_SEPARATOR '/' -#endif - -/****************************************************************//** -The function os_file_dirname returns a directory component of a -null-terminated pathname string. In the usual case, dirname returns -the string up to, but not including, the final '/', and basename -is the component following the final '/'. Trailing '/' charac­ -ters are not counted as part of the pathname. - -If path does not contain a slash, dirname returns the string ".". - -Concatenating the string returned by dirname, a "/", and the basename -yields a complete pathname. - -The return value is a copy of the directory component of the pathname. -The copy is allocated from heap. It is the caller responsibility -to free it after it is no longer needed. - -The following list of examples (taken from SUSv2) shows the strings -returned by dirname and basename for different paths: - - path dirname basename - "/usr/lib" "/usr" "lib" - "/usr/" "/" "usr" - "usr" "." "usr" - "/" "/" "/" - "." "." "." - ".." "." ".." - -@return own: directory component of the pathname */ -UNIV_INTERN -char* -os_file_dirname( -/*============*/ - const char* path) /*!< in: pathname */ -{ - /* Find the offset of the last slash */ - const char* last_slash = strrchr(path, OS_FILE_PATH_SEPARATOR); - if (!last_slash) { - /* No slash in the path, return "." */ - - return(mem_strdup(".")); - } - - /* Ok, there is a slash */ - - if (last_slash == path) { - /* last slash is the first char of the path */ - - return(mem_strdup("/")); - } - - /* Non-trivial directory component */ - - return(mem_strdupl(path, last_slash - path)); -} - -/****************************************************************//** -Creates all missing subdirectories along the given path. -@return TRUE if call succeeded FALSE otherwise */ -UNIV_INTERN -ibool -os_file_create_subdirs_if_needed( -/*=============================*/ - const char* path) /*!< in: path name */ -{ - char* subdir; - ibool success, subdir_exists; - os_file_type_t type; - - subdir = os_file_dirname(path); - if (strlen(subdir) == 1 - && (*subdir == OS_FILE_PATH_SEPARATOR || *subdir == '.')) { - /* subdir is root or cwd, nothing to do */ - mem_free(subdir); - - return(TRUE); - } - - /* Test if subdir exists */ - success = os_file_status(subdir, &subdir_exists, &type); - if (success && !subdir_exists) { - /* subdir does not exist, create it */ - success = os_file_create_subdirs_if_needed(subdir); - if (!success) { - mem_free(subdir); - - return(FALSE); - } - success = os_file_create_directory(subdir, FALSE); - } - - mem_free(subdir); - - return(success); -} - -#ifndef UNIV_HOTBACKUP -/****************************************************************//** -Returns a pointer to the nth slot in the aio array. -@return pointer to slot */ -static -os_aio_slot_t* -os_aio_array_get_nth_slot( -/*======================*/ - os_aio_array_t* array, /*!< in: aio array */ - ulint index) /*!< in: index of the slot */ -{ - ut_a(index < array->n_slots); - - return((array->slots) + index); -} - -#if defined(LINUX_NATIVE_AIO) -/******************************************************************//** -Creates an io_context for native linux AIO. -@return TRUE on success. */ -static -ibool -os_aio_linux_create_io_ctx( -/*=======================*/ - ulint max_events, /*!< in: number of events. */ - io_context_t* io_ctx) /*!< out: io_ctx to initialize. */ -{ - int ret; - ulint retries = 0; - -retry: - memset(io_ctx, 0x0, sizeof(*io_ctx)); - - /* Initialize the io_ctx. Tell it how many pending - IO requests this context will handle. */ - - ret = io_setup(max_events, io_ctx); - if (ret == 0) { -#if defined(UNIV_AIO_DEBUG) - fprintf(stderr, - "InnoDB: Linux native AIO:" - " initialized io_ctx for segment\n"); -#endif - /* Success. Return now. */ - return(TRUE); - } - - /* If we hit EAGAIN we'll make a few attempts before failing. */ - - switch (ret) { - case -EAGAIN: - if (retries == 0) { - /* First time around. */ - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: io_setup() failed" - " with EAGAIN. Will make %d attempts" - " before giving up.\n", - OS_AIO_IO_SETUP_RETRY_ATTEMPTS); - } - - if (retries < OS_AIO_IO_SETUP_RETRY_ATTEMPTS) { - ++retries; - fprintf(stderr, - "InnoDB: Warning: io_setup() attempt" - " %lu failed.\n", - retries); - os_thread_sleep(OS_AIO_IO_SETUP_RETRY_SLEEP); - goto retry; - } - - /* Have tried enough. Better call it a day. */ - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: io_setup() failed" - " with EAGAIN after %d attempts.\n", - OS_AIO_IO_SETUP_RETRY_ATTEMPTS); - break; - - case -ENOSYS: - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: Linux Native AIO interface" - " is not supported on this platform. Please" - " check your OS documentation and install" - " appropriate binary of InnoDB.\n"); - - break; - - default: - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: Linux Native AIO setup" - " returned following error[%d]\n", -ret); - break; - } - - fprintf(stderr, - "InnoDB: You can disable Linux Native AIO by" - " setting innodb_native_aio = off in my.cnf\n"); - return(FALSE); -} -#endif /* LINUX_NATIVE_AIO */ - -/******************************************************************//** -Creates an aio wait array. Note that we return NULL in case of failure. -We don't care about freeing memory here because we assume that a -failure will result in server refusing to start up. -@return own: aio array, NULL on failure */ -static -os_aio_array_t* -os_aio_array_create( -/*================*/ - ulint n, /*!< in: maximum number of pending aio - operations allowed; n must be - divisible by n_segments */ - ulint n_segments) /*!< in: number of segments in the aio array */ -{ - os_aio_array_t* array; - ulint i; - os_aio_slot_t* slot; -#ifdef WIN_ASYNC_IO - OVERLAPPED* over; -#elif defined(LINUX_NATIVE_AIO) - struct io_event* io_event = NULL; -#endif - ut_a(n > 0); - ut_a(n_segments > 0); - - array = ut_malloc(sizeof(os_aio_array_t)); - - array->mutex = os_mutex_create(NULL); - array->not_full = os_event_create(NULL); - array->is_empty = os_event_create(NULL); - - os_event_set(array->is_empty); - - array->n_slots = n; - array->n_segments = n_segments; - array->n_reserved = 0; - array->cur_seg = 0; - array->slots = ut_malloc(n * sizeof(os_aio_slot_t)); -#ifdef __WIN__ - array->native_events = ut_malloc(n * sizeof(os_native_event_t)); -#endif - -#if defined(LINUX_NATIVE_AIO) - /* If we are not using native aio interface then skip this - part of initialization. */ - if (!srv_use_native_aio) { - goto skip_native_aio; - } - - /* Initialize the io_context array. One io_context - per segment in the array. */ - - array->aio_ctx = ut_malloc(n_segments * - sizeof(*array->aio_ctx)); - for (i = 0; i < n_segments; ++i) { - if (!os_aio_linux_create_io_ctx(n/n_segments, - &array->aio_ctx[i])) { - /* If something bad happened during aio setup - we should call it a day and return right away. - We don't care about any leaks because a failure - to initialize the io subsystem means that the - server (or atleast the innodb storage engine) - is not going to startup. */ - return(NULL); - } - } - - /* Initialize the event array. One event per slot. */ - io_event = ut_malloc(n * sizeof(*io_event)); - memset(io_event, 0x0, sizeof(*io_event) * n); - array->aio_events = io_event; - -skip_native_aio: -#endif /* LINUX_NATIVE_AIO */ - for (i = 0; i < n; i++) { - slot = os_aio_array_get_nth_slot(array, i); - - slot->pos = i; - slot->reserved = FALSE; -#ifdef WIN_ASYNC_IO - slot->event = os_event_create(NULL); - - over = &(slot->control); - - over->hEvent = slot->event->handle; - - *((array->native_events) + i) = over->hEvent; - -#elif defined(LINUX_NATIVE_AIO) - - memset(&slot->control, 0x0, sizeof(slot->control)); - slot->n_bytes = 0; - slot->ret = 0; -#endif - } - - return(array); -} - -/************************************************************************//** -Frees an aio wait array. */ -static -void -os_aio_array_free( -/*==============*/ - os_aio_array_t* array) /*!< in, own: array to free */ -{ -#ifdef WIN_ASYNC_IO - ulint i; - - for (i = 0; i < array->n_slots; i++) { - os_aio_slot_t* slot = os_aio_array_get_nth_slot(array, i); - os_event_free(slot->event); - } -#endif /* WIN_ASYNC_IO */ - -#ifdef __WIN__ - ut_free(array->native_events); -#endif /* __WIN__ */ - os_mutex_free(array->mutex); - os_event_free(array->not_full); - os_event_free(array->is_empty); - - ut_free(array->slots); - ut_free(array); -} - -/*********************************************************************** -Initializes the asynchronous io system. Creates one array each for ibuf -and log i/o. Also creates one array each for read and write where each -array is divided logically into n_read_segs and n_write_segs -respectively. The caller must create an i/o handler thread for each -segment in these arrays. This function also creates the sync array. -No i/o handler thread needs to be created for that */ -UNIV_INTERN -ibool -os_aio_init( -/*========*/ - ulint n_per_seg, /*= 4); - - os_io_init_simple(); - - for (i = 0; i < n_segments; i++) { - srv_set_io_thread_op_info(i, "not started yet"); - } - - - /* fprintf(stderr, "Array n per seg %lu\n", n_per_seg); */ - - os_aio_ibuf_array = os_aio_array_create(n_per_seg, 1); - if (os_aio_ibuf_array == NULL) { - goto err_exit; - } - - srv_io_thread_function[0] = "insert buffer thread"; - - os_aio_log_array = os_aio_array_create(n_per_seg, 1); - if (os_aio_log_array == NULL) { - goto err_exit; - } - - srv_io_thread_function[1] = "log thread"; - - os_aio_read_array = os_aio_array_create(n_read_segs * n_per_seg, - n_read_segs); - if (os_aio_read_array == NULL) { - goto err_exit; - } - - for (i = 2; i < 2 + n_read_segs; i++) { - ut_a(i < SRV_MAX_N_IO_THREADS); - srv_io_thread_function[i] = "read thread"; - } - - os_aio_write_array = os_aio_array_create(n_write_segs * n_per_seg, - n_write_segs); - if (os_aio_write_array == NULL) { - goto err_exit; - } - - for (i = 2 + n_read_segs; i < n_segments; i++) { - ut_a(i < SRV_MAX_N_IO_THREADS); - srv_io_thread_function[i] = "write thread"; - } - - os_aio_sync_array = os_aio_array_create(n_slots_sync, 1); - if (os_aio_sync_array == NULL) { - goto err_exit; - } - - - os_aio_n_segments = n_segments; - - os_aio_validate(); - - os_aio_segment_wait_events = ut_malloc(n_segments * sizeof(void*)); - - for (i = 0; i < n_segments; i++) { - os_aio_segment_wait_events[i] = os_event_create(NULL); - } - - os_last_printout = time(NULL); - - return(TRUE); - -err_exit: - return(FALSE); - -} - -/*********************************************************************** -Frees the asynchronous io system. */ -UNIV_INTERN -void -os_aio_free(void) -/*=============*/ -{ - ulint i; - - os_aio_array_free(os_aio_ibuf_array); - os_aio_ibuf_array = NULL; - os_aio_array_free(os_aio_log_array); - os_aio_log_array = NULL; - os_aio_array_free(os_aio_read_array); - os_aio_read_array = NULL; - os_aio_array_free(os_aio_write_array); - os_aio_write_array = NULL; - os_aio_array_free(os_aio_sync_array); - os_aio_sync_array = NULL; - - for (i = 0; i < os_aio_n_segments; i++) { - os_event_free(os_aio_segment_wait_events[i]); - } - - ut_free(os_aio_segment_wait_events); - os_aio_segment_wait_events = 0; - os_aio_n_segments = 0; -} - -#ifdef WIN_ASYNC_IO -/************************************************************************//** -Wakes up all async i/o threads in the array in Windows async i/o at -shutdown. */ -static -void -os_aio_array_wake_win_aio_at_shutdown( -/*==================================*/ - os_aio_array_t* array) /*!< in: aio array */ -{ - ulint i; - - for (i = 0; i < array->n_slots; i++) { - - os_event_set((array->slots + i)->event); - } -} -#endif - -/************************************************************************//** -Wakes up all async i/o threads so that they know to exit themselves in -shutdown. */ -UNIV_INTERN -void -os_aio_wake_all_threads_at_shutdown(void) -/*=====================================*/ -{ - ulint i; - -#ifdef WIN_ASYNC_IO - /* This code wakes up all ai/o threads in Windows native aio */ - os_aio_array_wake_win_aio_at_shutdown(os_aio_read_array); - os_aio_array_wake_win_aio_at_shutdown(os_aio_write_array); - os_aio_array_wake_win_aio_at_shutdown(os_aio_ibuf_array); - os_aio_array_wake_win_aio_at_shutdown(os_aio_log_array); - -#elif defined(LINUX_NATIVE_AIO) - - /* When using native AIO interface the io helper threads - wait on io_getevents with a timeout value of 500ms. At - each wake up these threads check the server status. - No need to do anything to wake them up. */ - - if (srv_use_native_aio) { - return; - } - /* Fall through to simulated AIO handler wakeup if we are - not using native AIO. */ -#endif - /* This loop wakes up all simulated ai/o threads */ - - for (i = 0; i < os_aio_n_segments; i++) { - - os_event_set(os_aio_segment_wait_events[i]); - } -} - -/************************************************************************//** -Waits until there are no pending writes in os_aio_write_array. There can -be other, synchronous, pending writes. */ -UNIV_INTERN -void -os_aio_wait_until_no_pending_writes(void) -/*=====================================*/ -{ - os_event_wait(os_aio_write_array->is_empty); -} - -/**********************************************************************//** -Calculates segment number for a slot. -@return segment number (which is the number used by, for example, -i/o-handler threads) */ -static -ulint -os_aio_get_segment_no_from_slot( -/*============================*/ - os_aio_array_t* array, /*!< in: aio wait array */ - os_aio_slot_t* slot) /*!< in: slot in this array */ -{ - ulint segment; - ulint seg_len; - - if (array == os_aio_ibuf_array) { - segment = 0; - - } else if (array == os_aio_log_array) { - segment = 1; - - } else if (array == os_aio_read_array) { - seg_len = os_aio_read_array->n_slots - / os_aio_read_array->n_segments; - - segment = 2 + slot->pos / seg_len; - } else { - ut_a(array == os_aio_write_array); - seg_len = os_aio_write_array->n_slots - / os_aio_write_array->n_segments; - - segment = os_aio_read_array->n_segments + 2 - + slot->pos / seg_len; - } - - return(segment); -} - -/**********************************************************************//** -Calculates local segment number and aio array from global segment number. -@return local segment number within the aio array */ -static -ulint -os_aio_get_array_and_local_segment( -/*===============================*/ - os_aio_array_t** array, /*!< out: aio wait array */ - ulint global_segment)/*!< in: global segment number */ -{ - ulint segment; - - ut_a(global_segment < os_aio_n_segments); - - if (global_segment == 0) { - *array = os_aio_ibuf_array; - segment = 0; - - } else if (global_segment == 1) { - *array = os_aio_log_array; - segment = 0; - - } else if (global_segment < os_aio_read_array->n_segments + 2) { - *array = os_aio_read_array; - - segment = global_segment - 2; - } else { - *array = os_aio_write_array; - - segment = global_segment - (os_aio_read_array->n_segments + 2); - } - - return(segment); -} - -/*******************************************************************//** -Requests for a slot in the aio array. If no slot is available, waits until -not_full-event becomes signaled. -@return pointer to slot */ -static -os_aio_slot_t* -os_aio_array_reserve_slot( -/*======================*/ - ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ - os_aio_array_t* array, /*!< in: aio array */ - fil_node_t* message1,/*!< in: message to be passed along with - the aio operation */ - void* message2,/*!< in: message to be passed along with - the aio operation */ - os_file_t file, /*!< in: file handle */ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - void* buf, /*!< in: buffer where to read or from which - to write */ - ulint offset, /*!< in: least significant 32 bits of file - offset */ - ulint offset_high, /*!< in: most significant 32 bits of - offset */ - ulint len) /*!< in: length of the block to read or write */ -{ - os_aio_slot_t* slot = NULL; -#ifdef WIN_ASYNC_IO - OVERLAPPED* control; - -#elif defined(LINUX_NATIVE_AIO) - - struct iocb* iocb; - off_t aio_offset; - -#endif - ulint i; - ulint counter; - ulint slots_per_seg; - ulint local_seg; - - /* No need of a mutex. Only reading constant fields */ - slots_per_seg = array->n_slots / array->n_segments; - - /* We attempt to keep adjacent blocks in the same local - segment. This can help in merging IO requests when we are - doing simulated AIO */ - local_seg = (offset >> (UNIV_PAGE_SIZE_SHIFT + 6)) - % array->n_segments; - -loop: - os_mutex_enter(array->mutex); - - if (array->n_reserved == array->n_slots) { - os_mutex_exit(array->mutex); - - if (!srv_use_native_aio) { - /* If the handler threads are suspended, wake them - so that we get more slots */ - - os_aio_simulated_wake_handler_threads(); - } - - os_event_wait(array->not_full); - - goto loop; - } - - /* We start our search for an available slot from our preferred - local segment and do a full scan of the array. We are - guaranteed to find a slot in full scan. */ - for (i = local_seg * slots_per_seg, counter = 0; - counter < array->n_slots; i++, counter++) { - - i %= array->n_slots; - slot = os_aio_array_get_nth_slot(array, i); - - if (slot->reserved == FALSE) { - goto found; - } - } - - /* We MUST always be able to get hold of a reserved slot. */ - ut_error; - -found: - ut_a(slot->reserved == FALSE); - array->n_reserved++; - - if (array->n_reserved == 1) { - os_event_reset(array->is_empty); - } - - if (array->n_reserved == array->n_slots) { - os_event_reset(array->not_full); - } - - slot->reserved = TRUE; - slot->reservation_time = time(NULL); - slot->message1 = message1; - slot->message2 = message2; - slot->file = file; - slot->name = name; - slot->len = len; - slot->type = type; - slot->buf = buf; - slot->offset = offset; - slot->offset_high = offset_high; - slot->io_already_done = FALSE; - -#ifdef WIN_ASYNC_IO - control = &(slot->control); - control->Offset = (DWORD)offset; - control->OffsetHigh = (DWORD)offset_high; - os_event_reset(slot->event); - -#elif defined(LINUX_NATIVE_AIO) - - /* If we are not using native AIO skip this part. */ - if (!srv_use_native_aio) { - goto skip_native_aio; - } - - /* Check if we are dealing with 64 bit arch. - If not then make sure that offset fits in 32 bits. */ - if (sizeof(aio_offset) == 8) { - aio_offset = offset_high; - aio_offset <<= 32; - aio_offset += offset; - } else { - ut_a(offset_high == 0); - aio_offset = offset; - } - - iocb = &slot->control; - - if (type == OS_FILE_READ) { - io_prep_pread(iocb, file, buf, len, aio_offset); - } else { - ut_a(type == OS_FILE_WRITE); - io_prep_pwrite(iocb, file, buf, len, aio_offset); - } - - iocb->data = (void*)slot; - slot->n_bytes = 0; - slot->ret = 0; - /*fprintf(stderr, "Filled up Linux native iocb.\n");*/ - - -skip_native_aio: -#endif /* LINUX_NATIVE_AIO */ - os_mutex_exit(array->mutex); - - return(slot); -} - -/*******************************************************************//** -Frees a slot in the aio array. */ -static -void -os_aio_array_free_slot( -/*===================*/ - os_aio_array_t* array, /*!< in: aio array */ - os_aio_slot_t* slot) /*!< in: pointer to slot */ -{ - ut_ad(array); - ut_ad(slot); - - os_mutex_enter(array->mutex); - - ut_ad(slot->reserved); - - slot->reserved = FALSE; - - array->n_reserved--; - - if (array->n_reserved == array->n_slots - 1) { - os_event_set(array->not_full); - } - - if (array->n_reserved == 0) { - os_event_set(array->is_empty); - } - -#ifdef WIN_ASYNC_IO - - os_event_reset(slot->event); - -#elif defined(LINUX_NATIVE_AIO) - - if (srv_use_native_aio) { - memset(&slot->control, 0x0, sizeof(slot->control)); - slot->n_bytes = 0; - slot->ret = 0; - /*fprintf(stderr, "Freed up Linux native slot.\n");*/ - } else { - /* These fields should not be used if we are not - using native AIO. */ - ut_ad(slot->n_bytes == 0); - ut_ad(slot->ret == 0); - } - -#endif - os_mutex_exit(array->mutex); -} - -/**********************************************************************//** -Wakes up a simulated aio i/o-handler thread if it has something to do. */ -static -void -os_aio_simulated_wake_handler_thread( -/*=================================*/ - ulint global_segment) /*!< in: the number of the segment in the aio - arrays */ -{ - os_aio_array_t* array; - os_aio_slot_t* slot; - ulint segment; - ulint n; - ulint i; - - ut_ad(!srv_use_native_aio); - - segment = os_aio_get_array_and_local_segment(&array, global_segment); - - n = array->n_slots / array->n_segments; - - /* Look through n slots after the segment * n'th slot */ - - os_mutex_enter(array->mutex); - - for (i = 0; i < n; i++) { - slot = os_aio_array_get_nth_slot(array, i + segment * n); - - if (slot->reserved) { - /* Found an i/o request */ - - break; - } - } - - os_mutex_exit(array->mutex); - - if (i < n) { - os_event_set(os_aio_segment_wait_events[global_segment]); - } -} - -/**********************************************************************//** -Wakes up simulated aio i/o-handler threads if they have something to do. */ -UNIV_INTERN -void -os_aio_simulated_wake_handler_threads(void) -/*=======================================*/ -{ - ulint i; - - if (srv_use_native_aio) { - /* We do not use simulated aio: do nothing */ - - return; - } - - os_aio_recommend_sleep_for_read_threads = FALSE; - - for (i = 0; i < os_aio_n_segments; i++) { - os_aio_simulated_wake_handler_thread(i); - } -} - -/**********************************************************************//** -This function can be called if one wants to post a batch of reads and -prefers an i/o-handler thread to handle them all at once later. You must -call os_aio_simulated_wake_handler_threads later to ensure the threads -are not left sleeping! */ -UNIV_INTERN -void -os_aio_simulated_put_read_threads_to_sleep(void) -/*============================================*/ -{ - -/* The idea of putting background IO threads to sleep is only for -Windows when using simulated AIO. Windows XP seems to schedule -background threads too eagerly to allow for coalescing during -readahead requests. */ -#ifdef __WIN__ - os_aio_array_t* array; - ulint g; - - if (srv_use_native_aio) { - /* We do not use simulated aio: do nothing */ - - return; - } - - os_aio_recommend_sleep_for_read_threads = TRUE; - - for (g = 0; g < os_aio_n_segments; g++) { - os_aio_get_array_and_local_segment(&array, g); - - if (array == os_aio_read_array) { - - os_event_reset(os_aio_segment_wait_events[g]); - } - } -#endif /* __WIN__ */ -} - -#if defined(LINUX_NATIVE_AIO) -/*******************************************************************//** -Dispatch an AIO request to the kernel. -@return TRUE on success. */ -static -ibool -os_aio_linux_dispatch( -/*==================*/ - os_aio_array_t* array, /*!< in: io request array. */ - os_aio_slot_t* slot) /*!< in: an already reserved slot. */ -{ - int ret; - ulint io_ctx_index; - struct iocb* iocb; - - ut_ad(slot != NULL); - ut_ad(array); - - ut_a(slot->reserved); - - /* Find out what we are going to work with. - The iocb struct is directly in the slot. - The io_context is one per segment. */ - - iocb = &slot->control; - io_ctx_index = (slot->pos * array->n_segments) / array->n_slots; - - ret = io_submit(array->aio_ctx[io_ctx_index], 1, &iocb); - -#if defined(UNIV_AIO_DEBUG) - fprintf(stderr, - "io_submit[%c] ret[%d]: slot[%p] ctx[%p] seg[%lu]\n", - (slot->type == OS_FILE_WRITE) ? 'w' : 'r', ret, slot, - array->aio_ctx[io_ctx_index], (ulong)io_ctx_index); -#endif - - /* io_submit returns number of successfully - queued requests or -errno. */ - if (UNIV_UNLIKELY(ret != 1)) { - errno = -ret; - return(FALSE); - } - - return(TRUE); -} -#endif /* LINUX_NATIVE_AIO */ - - -/*******************************************************************//** -Requests an asynchronous i/o operation. -@return TRUE if request was queued successfully, FALSE if fail */ -UNIV_INTERN -ibool -os_aio( -/*===*/ - ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ - ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed - to OS_AIO_SIMULATED_WAKE_LATER: the - last flag advises this function not to wake - i/o-handler threads, but the caller will - do the waking explicitly later, in this - way the caller can post several requests in - a batch; NOTE that the batch must not be - so big that it exhausts the slots in aio - arrays! NOTE that a simulated batch - may introduce hidden chances of deadlocks, - because i/os are not actually handled until - all have been posted: use with great - caution! */ - const char* name, /*!< in: name of the file or path as a - null-terminated string */ - os_file_t file, /*!< in: handle to a file */ - void* buf, /*!< in: buffer where to read or from which - to write */ - ulint offset, /*!< in: least significant 32 bits of file - offset where to read or write */ - ulint offset_high, /*!< in: most significant 32 bits of - offset */ - ulint n, /*!< in: number of bytes to read or write */ - fil_node_t* message1,/*!< in: message for the aio handler - (can be used to identify a completed - aio operation); ignored if mode is - OS_AIO_SYNC */ - void* message2)/*!< in: message for the aio handler - (can be used to identify a completed - aio operation); ignored if mode is - OS_AIO_SYNC */ -{ - os_aio_array_t* array; - os_aio_slot_t* slot; -#ifdef WIN_ASYNC_IO - ibool retval; - BOOL ret = TRUE; - DWORD len = (DWORD) n; - struct fil_node_struct * dummy_mess1; - void* dummy_mess2; - ulint dummy_type; -#endif /* WIN_ASYNC_IO */ - ibool retry; - ulint wake_later; - - ut_ad(file); - ut_ad(buf); - ut_ad(n > 0); - ut_ad(n % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_ad(offset % OS_FILE_LOG_BLOCK_SIZE == 0); - ut_ad(os_aio_validate()); - - wake_later = mode & OS_AIO_SIMULATED_WAKE_LATER; - mode = mode & (~OS_AIO_SIMULATED_WAKE_LATER); - - if (mode == OS_AIO_SYNC -#ifdef WIN_ASYNC_IO - && !srv_use_native_aio -#endif /* WIN_ASYNC_IO */ - ) { - /* This is actually an ordinary synchronous read or write: - no need to use an i/o-handler thread. NOTE that if we use - Windows async i/o, Windows does not allow us to use - ordinary synchronous os_file_read etc. on the same file, - therefore we have built a special mechanism for synchronous - wait in the Windows case. */ - - if (type == OS_FILE_READ) { - return(os_file_read(file, buf, offset, - offset_high, n)); - } - - ut_a(type == OS_FILE_WRITE); - - return(os_file_write(name, file, buf, offset, offset_high, n)); - } - -try_again: - if (mode == OS_AIO_NORMAL) { - if (type == OS_FILE_READ) { - array = os_aio_read_array; - } else { - array = os_aio_write_array; - } - } else if (mode == OS_AIO_IBUF) { - ut_ad(type == OS_FILE_READ); - /* Reduce probability of deadlock bugs in connection with ibuf: - do not let the ibuf i/o handler sleep */ - - wake_later = FALSE; - - array = os_aio_ibuf_array; - } else if (mode == OS_AIO_LOG) { - - array = os_aio_log_array; - } else if (mode == OS_AIO_SYNC) { - array = os_aio_sync_array; - -#if defined(LINUX_NATIVE_AIO) - /* In Linux native AIO we don't use sync IO array. */ - ut_a(!srv_use_native_aio); -#endif /* LINUX_NATIVE_AIO */ - } else { - array = NULL; /* Eliminate compiler warning */ - ut_error; - } - - slot = os_aio_array_reserve_slot(type, array, message1, message2, file, - name, buf, offset, offset_high, n); - if (type == OS_FILE_READ) { - if (srv_use_native_aio) { - os_n_file_reads++; - os_bytes_read_since_printout += n; -#ifdef WIN_ASYNC_IO - ret = ReadFile(file, buf, (DWORD)n, &len, - &(slot->control)); - -#elif defined(LINUX_NATIVE_AIO) - if (!os_aio_linux_dispatch(array, slot)) { - goto err_exit; - } -#endif - } else { - if (!wake_later) { - os_aio_simulated_wake_handler_thread( - os_aio_get_segment_no_from_slot( - array, slot)); - } - } - } else if (type == OS_FILE_WRITE) { - if (srv_use_native_aio) { - os_n_file_writes++; -#ifdef WIN_ASYNC_IO - ret = WriteFile(file, buf, (DWORD)n, &len, - &(slot->control)); - -#elif defined(LINUX_NATIVE_AIO) - if (!os_aio_linux_dispatch(array, slot)) { - goto err_exit; - } -#endif - } else { - if (!wake_later) { - os_aio_simulated_wake_handler_thread( - os_aio_get_segment_no_from_slot( - array, slot)); - } - } - } else { - ut_error; - } - -#ifdef WIN_ASYNC_IO - if (srv_use_native_aio) { - if ((ret && len == n) - || (!ret && GetLastError() == ERROR_IO_PENDING)) { - /* aio was queued successfully! */ - - if (mode == OS_AIO_SYNC) { - /* We want a synchronous i/o operation on a - file where we also use async i/o: in Windows - we must use the same wait mechanism as for - async i/o */ - - retval = os_aio_windows_handle(ULINT_UNDEFINED, - slot->pos, - &dummy_mess1, - &dummy_mess2, - &dummy_type); - - return(retval); - } - - return(TRUE); - } - - goto err_exit; - } -#endif /* WIN_ASYNC_IO */ - /* aio was queued successfully! */ - return(TRUE); - -#if defined LINUX_NATIVE_AIO || defined WIN_ASYNC_IO -err_exit: -#endif /* LINUX_NATIVE_AIO || WIN_ASYNC_IO */ - os_aio_array_free_slot(array, slot); - - retry = os_file_handle_error(name, - type == OS_FILE_READ - ? "aio read" : "aio write"); - if (retry) { - - goto try_again; - } - - return(FALSE); -} - -#ifdef WIN_ASYNC_IO -/**********************************************************************//** -This function is only used in Windows asynchronous i/o. -Waits for an aio operation to complete. This function is used to wait the -for completed requests. The aio array of pending requests is divided -into segments. The thread specifies which segment or slot it wants to wait -for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! -@return TRUE if the aio operation succeeded */ -UNIV_INTERN -ibool -os_aio_windows_handle( -/*==================*/ - ulint segment, /*!< in: the number of the segment in the aio - arrays to wait for; segment 0 is the ibuf - i/o thread, segment 1 the log i/o thread, - then follow the non-ibuf read threads, and as - the last are the non-ibuf write threads; if - this is ULINT_UNDEFINED, then it means that - sync aio is used, and this parameter is - ignored */ - ulint pos, /*!< this parameter is used only in sync aio: - wait for the aio slot at this position */ - fil_node_t**message1, /*!< out: the messages passed with the aio - request; note that also in the case where - the aio operation failed, these output - parameters are valid and can be used to - restart the operation, for example */ - void** message2, - ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ -{ - ulint orig_seg = segment; - os_aio_array_t* array; - os_aio_slot_t* slot; - ulint n; - ulint i; - ibool ret_val; - BOOL ret; - DWORD len; - BOOL retry = FALSE; - - if (segment == ULINT_UNDEFINED) { - array = os_aio_sync_array; - segment = 0; - } else { - segment = os_aio_get_array_and_local_segment(&array, segment); - } - - /* NOTE! We only access constant fields in os_aio_array. Therefore - we do not have to acquire the protecting mutex yet */ - - ut_ad(os_aio_validate()); - ut_ad(segment < array->n_segments); - - n = array->n_slots / array->n_segments; - - if (array == os_aio_sync_array) { - os_event_wait(os_aio_array_get_nth_slot(array, pos)->event); - i = pos; - } else { - srv_set_io_thread_op_info(orig_seg, "wait Windows aio"); - i = os_event_wait_multiple(n, - (array->native_events) - + segment * n); - } - - os_mutex_enter(array->mutex); - - slot = os_aio_array_get_nth_slot(array, i + segment * n); - - ut_a(slot->reserved); - - if (orig_seg != ULINT_UNDEFINED) { - srv_set_io_thread_op_info(orig_seg, - "get windows aio return value"); - } - - ret = GetOverlappedResult(slot->file, &(slot->control), &len, TRUE); - - *message1 = slot->message1; - *message2 = slot->message2; - - *type = slot->type; - - if (ret && len == slot->len) { - ret_val = TRUE; - -#ifdef UNIV_DO_FLUSH - if (slot->type == OS_FILE_WRITE - && !os_do_not_call_flush_at_each_write) { - if (!os_file_flush(slot->file)) { - ut_error; - } - } -#endif /* UNIV_DO_FLUSH */ - } else if (os_file_handle_error(slot->name, "Windows aio")) { - - retry = TRUE; - } else { - - ret_val = FALSE; - } - - os_mutex_exit(array->mutex); - - if (retry) { - /* retry failed read/write operation synchronously. - No need to hold array->mutex. */ - - switch (slot->type) { - case OS_FILE_WRITE: - ret = WriteFile(slot->file, slot->buf, - slot->len, &len, - &(slot->control)); - - break; - case OS_FILE_READ: - ret = ReadFile(slot->file, slot->buf, - slot->len, &len, - &(slot->control)); - - break; - default: - ut_error; - } - - if (!ret && GetLastError() == ERROR_IO_PENDING) { - /* aio was queued successfully! - We want a synchronous i/o operation on a - file where we also use async i/o: in Windows - we must use the same wait mechanism as for - async i/o */ - - ret = GetOverlappedResult(slot->file, - &(slot->control), - &len, TRUE); - } - - ret_val = ret && len == slot->len; - } - - os_aio_array_free_slot(array, slot); - - return(ret_val); -} -#endif - -#if defined(LINUX_NATIVE_AIO) -/******************************************************************//** -This function is only used in Linux native asynchronous i/o. This is -called from within the io-thread. If there are no completed IO requests -in the slot array, the thread calls this function to collect more -requests from the kernel. -The io-thread waits on io_getevents(), which is a blocking call, with -a timeout value. Unless the system is very heavy loaded, keeping the -io-thread very busy, the io-thread will spend most of its time waiting -in this function. -The io-thread also exits in this function. It checks server status at -each wakeup and that is why we use timed wait in io_getevents(). */ -static -void -os_aio_linux_collect( -/*=================*/ - os_aio_array_t* array, /*!< in/out: slot array. */ - ulint segment, /*!< in: local segment no. */ - ulint seg_size) /*!< in: segment size. */ -{ - int i; - int ret; - ulint start_pos; - ulint end_pos; - struct timespec timeout; - struct io_event* events; - struct io_context* io_ctx; - - /* sanity checks. */ - ut_ad(array != NULL); - ut_ad(seg_size > 0); - ut_ad(segment < array->n_segments); - - /* Which part of event array we are going to work on. */ - events = &array->aio_events[segment * seg_size]; - - /* Which io_context we are going to use. */ - io_ctx = array->aio_ctx[segment]; - - /* Starting point of the segment we will be working on. */ - start_pos = segment * seg_size; - - /* End point. */ - end_pos = start_pos + seg_size; - -retry: - - /* Go down if we are in shutdown mode. - In case of srv_fast_shutdown == 2, there may be pending - IO requests but that should be OK as we essentially treat - that as a crash of InnoDB. */ - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - os_thread_exit(NULL); - } - - /* Initialize the events. The timeout value is arbitrary. - We probably need to experiment with it a little. */ - memset(events, 0, sizeof(*events) * seg_size); - timeout.tv_sec = 0; - timeout.tv_nsec = OS_AIO_REAP_TIMEOUT; - - ret = io_getevents(io_ctx, 1, seg_size, events, &timeout); - - /* This error handling is for any error in collecting the - IO requests. The errors, if any, for any particular IO - request are simply passed on to the calling routine. */ - - /* Not enough resources! Try again. */ - if (ret == -EAGAIN) { - goto retry; - } - - /* Interrupted! I have tested the behaviour in case of an - interrupt. If we have some completed IOs available then - the return code will be the number of IOs. We get EINTR only - if there are no completed IOs and we have been interrupted. */ - if (ret == -EINTR) { - goto retry; - } - - /* No pending request! Go back and check again. */ - if (ret == 0) { - goto retry; - } - - /* All other errors! should cause a trap for now. */ - if (UNIV_UNLIKELY(ret < 0)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: unexpected ret_code[%d] from" - " io_getevents()!\n", ret); - ut_error; - } - - ut_a(ret > 0); - - for (i = 0; i < ret; i++) { - os_aio_slot_t* slot; - struct iocb* control; - - control = (struct iocb *)events[i].obj; - ut_a(control != NULL); - - slot = (os_aio_slot_t *) control->data; - - /* Some sanity checks. */ - ut_a(slot != NULL); - ut_a(slot->reserved); - -#if defined(UNIV_AIO_DEBUG) - fprintf(stderr, - "io_getevents[%c]: slot[%p] ctx[%p]" - " seg[%lu]\n", - (slot->type == OS_FILE_WRITE) ? 'w' : 'r', - slot, io_ctx, segment); -#endif - - /* We are not scribbling previous segment. */ - ut_a(slot->pos >= start_pos); - - /* We have not overstepped to next segment. */ - ut_a(slot->pos < end_pos); - - /* Mark this request as completed. The error handling - will be done in the calling function. */ - os_mutex_enter(array->mutex); - slot->n_bytes = events[i].res; - slot->ret = events[i].res2; - slot->io_already_done = TRUE; - os_mutex_exit(array->mutex); - } - - return; -} - -/**********************************************************************//** -This function is only used in Linux native asynchronous i/o. -Waits for an aio operation to complete. This function is used to wait for -the completed requests. The aio array of pending requests is divided -into segments. The thread specifies which segment or slot it wants to wait -for. NOTE: this function will also take care of freeing the aio slot, -therefore no other thread is allowed to do the freeing! -@return TRUE if the IO was successful */ -UNIV_INTERN -ibool -os_aio_linux_handle( -/*================*/ - ulint global_seg, /*!< in: segment number in the aio array - to wait for; segment 0 is the ibuf - i/o thread, segment 1 is log i/o thread, - then follow the non-ibuf read threads, - and the last are the non-ibuf write - threads. */ - fil_node_t**message1, /*!< out: the messages passed with the */ - void** message2, /*!< aio request; note that in case the - aio operation failed, these output - parameters are valid and can be used to - restart the operation. */ - ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ -{ - ulint segment; - os_aio_array_t* array; - os_aio_slot_t* slot; - ulint n; - ulint i; - ibool ret = FALSE; - - /* Should never be doing Sync IO here. */ - ut_a(global_seg != ULINT_UNDEFINED); - - /* Find the array and the local segment. */ - segment = os_aio_get_array_and_local_segment(&array, global_seg); - n = array->n_slots / array->n_segments; - - /* Loop until we have found a completed request. */ - for (;;) { - os_mutex_enter(array->mutex); - for (i = 0; i < n; ++i) { - slot = os_aio_array_get_nth_slot( - array, i + segment * n); - if (slot->reserved && slot->io_already_done) { - /* Something for us to work on. */ - goto found; - } - } - - os_mutex_exit(array->mutex); - - /* We don't have any completed request. - Wait for some request. Note that we return - from wait iff we have found a request. */ - - srv_set_io_thread_op_info(global_seg, - "waiting for completed aio requests"); - os_aio_linux_collect(array, segment, n); - } - -found: - /* Note that it may be that there are more then one completed - IO requests. We process them one at a time. We may have a case - here to improve the performance slightly by dealing with all - requests in one sweep. */ - srv_set_io_thread_op_info(global_seg, - "processing completed aio requests"); - - /* Ensure that we are scribbling only our segment. */ - ut_a(i < n); - - ut_ad(slot != NULL); - ut_ad(slot->reserved); - ut_ad(slot->io_already_done); - - *message1 = slot->message1; - *message2 = slot->message2; - - *type = slot->type; - - if ((slot->ret == 0) && (slot->n_bytes == (long)slot->len)) { - ret = TRUE; - -#ifdef UNIV_DO_FLUSH - if (slot->type == OS_FILE_WRITE - && !os_do_not_call_flush_at_each_write) - && !os_file_flush(slot->file) { - ut_error; - } -#endif /* UNIV_DO_FLUSH */ - } else { - errno = -slot->ret; - - /* os_file_handle_error does tell us if we should retry - this IO. As it stands now, we don't do this retry when - reaping requests from a different context than - the dispatcher. This non-retry logic is the same for - windows and linux native AIO. - We should probably look into this to transparently - re-submit the IO. */ - os_file_handle_error(slot->name, "Linux aio"); - - ret = FALSE; - } - - os_mutex_exit(array->mutex); - - os_aio_array_free_slot(array, slot); - - return(ret); -} -#endif /* LINUX_NATIVE_AIO */ - -/**********************************************************************//** -Does simulated aio. This function should be called by an i/o-handler -thread. -@return TRUE if the aio operation succeeded */ -UNIV_INTERN -ibool -os_aio_simulated_handle( -/*====================*/ - ulint global_segment, /*!< in: the number of the segment in the aio - arrays to wait for; segment 0 is the ibuf - i/o thread, segment 1 the log i/o thread, - then follow the non-ibuf read threads, and as - the last are the non-ibuf write threads */ - fil_node_t**message1, /*!< out: the messages passed with the aio - request; note that also in the case where - the aio operation failed, these output - parameters are valid and can be used to - restart the operation, for example */ - void** message2, - ulint* type) /*!< out: OS_FILE_WRITE or ..._READ */ -{ - os_aio_array_t* array; - ulint segment; - os_aio_slot_t* slot; - os_aio_slot_t* slot2; - os_aio_slot_t* consecutive_ios[OS_AIO_MERGE_N_CONSECUTIVE]; - ulint n_consecutive; - ulint total_len; - ulint offs; - ulint lowest_offset; - ulint biggest_age; - ulint age; - byte* combined_buf; - byte* combined_buf2; - ibool ret; - ulint n; - ulint i; - - segment = os_aio_get_array_and_local_segment(&array, global_segment); - -restart: - /* NOTE! We only access constant fields in os_aio_array. Therefore - we do not have to acquire the protecting mutex yet */ - - srv_set_io_thread_op_info(global_segment, - "looking for i/o requests (a)"); - ut_ad(os_aio_validate()); - ut_ad(segment < array->n_segments); - - n = array->n_slots / array->n_segments; - - /* Look through n slots after the segment * n'th slot */ - - if (array == os_aio_read_array - && os_aio_recommend_sleep_for_read_threads) { - - /* Give other threads chance to add several i/os to the array - at once. */ - - goto recommended_sleep; - } - - os_mutex_enter(array->mutex); - - srv_set_io_thread_op_info(global_segment, - "looking for i/o requests (b)"); - - /* Check if there is a slot for which the i/o has already been - done */ - - for (i = 0; i < n; i++) { - slot = os_aio_array_get_nth_slot(array, i + segment * n); - - if (slot->reserved && slot->io_already_done) { - - if (os_aio_print_debug) { - fprintf(stderr, - "InnoDB: i/o for slot %lu" - " already done, returning\n", - (ulong) i); - } - - ret = TRUE; - - goto slot_io_done; - } - } - - n_consecutive = 0; - - /* If there are at least 2 seconds old requests, then pick the oldest - one to prevent starvation. If several requests have the same age, - then pick the one at the lowest offset. */ - - biggest_age = 0; - lowest_offset = ULINT_MAX; - - for (i = 0; i < n; i++) { - slot = os_aio_array_get_nth_slot(array, i + segment * n); - - if (slot->reserved) { - age = (ulint)difftime(time(NULL), - slot->reservation_time); - - if ((age >= 2 && age > biggest_age) - || (age >= 2 && age == biggest_age - && slot->offset < lowest_offset)) { - - /* Found an i/o request */ - consecutive_ios[0] = slot; - - n_consecutive = 1; - - biggest_age = age; - lowest_offset = slot->offset; - } - } - } - - if (n_consecutive == 0) { - /* There were no old requests. Look for an i/o request at the - lowest offset in the array (we ignore the high 32 bits of the - offset in these heuristics) */ - - lowest_offset = ULINT_MAX; - - for (i = 0; i < n; i++) { - slot = os_aio_array_get_nth_slot(array, - i + segment * n); - - if (slot->reserved && slot->offset < lowest_offset) { - - /* Found an i/o request */ - consecutive_ios[0] = slot; - - n_consecutive = 1; - - lowest_offset = slot->offset; - } - } - } - - if (n_consecutive == 0) { - - /* No i/o requested at the moment */ - - goto wait_for_io; - } - - slot = consecutive_ios[0]; - - /* Check if there are several consecutive blocks to read or write */ - -consecutive_loop: - for (i = 0; i < n; i++) { - slot2 = os_aio_array_get_nth_slot(array, i + segment * n); - - if (slot2->reserved && slot2 != slot - && slot2->offset == slot->offset + slot->len - /* check that sum does not wrap over */ - && slot->offset + slot->len > slot->offset - && slot2->offset_high == slot->offset_high - && slot2->type == slot->type - && slot2->file == slot->file) { - - /* Found a consecutive i/o request */ - - consecutive_ios[n_consecutive] = slot2; - n_consecutive++; - - slot = slot2; - - if (n_consecutive < OS_AIO_MERGE_N_CONSECUTIVE) { - - goto consecutive_loop; - } else { - break; - } - } - } - - srv_set_io_thread_op_info(global_segment, "consecutive i/o requests"); - - /* We have now collected n_consecutive i/o requests in the array; - allocate a single buffer which can hold all data, and perform the - i/o */ - - total_len = 0; - slot = consecutive_ios[0]; - - for (i = 0; i < n_consecutive; i++) { - total_len += consecutive_ios[i]->len; - } - - if (n_consecutive == 1) { - /* We can use the buffer of the i/o request */ - combined_buf = slot->buf; - combined_buf2 = NULL; - } else { - combined_buf2 = ut_malloc(total_len + UNIV_PAGE_SIZE); - - ut_a(combined_buf2); - - combined_buf = ut_align(combined_buf2, UNIV_PAGE_SIZE); - } - - /* We release the array mutex for the time of the i/o: NOTE that - this assumes that there is just one i/o-handler thread serving - a single segment of slots! */ - - os_mutex_exit(array->mutex); - - if (slot->type == OS_FILE_WRITE && n_consecutive > 1) { - /* Copy the buffers to the combined buffer */ - offs = 0; - - for (i = 0; i < n_consecutive; i++) { - - ut_memcpy(combined_buf + offs, consecutive_ios[i]->buf, - consecutive_ios[i]->len); - offs += consecutive_ios[i]->len; - } - } - - srv_set_io_thread_op_info(global_segment, "doing file i/o"); - - if (os_aio_print_debug) { - fprintf(stderr, - "InnoDB: doing i/o of type %lu at offset %lu %lu," - " length %lu\n", - (ulong) slot->type, (ulong) slot->offset_high, - (ulong) slot->offset, (ulong) total_len); - } - - /* Do the i/o with ordinary, synchronous i/o functions: */ - if (slot->type == OS_FILE_WRITE) { - ret = os_file_write(slot->name, slot->file, combined_buf, - slot->offset, slot->offset_high, - total_len); - } else { - ret = os_file_read(slot->file, combined_buf, - slot->offset, slot->offset_high, total_len); - } - - ut_a(ret); - srv_set_io_thread_op_info(global_segment, "file i/o done"); - -#if 0 - fprintf(stderr, - "aio: %lu consecutive %lu:th segment, first offs %lu blocks\n", - n_consecutive, global_segment, slot->offset / UNIV_PAGE_SIZE); -#endif - - if (slot->type == OS_FILE_READ && n_consecutive > 1) { - /* Copy the combined buffer to individual buffers */ - offs = 0; - - for (i = 0; i < n_consecutive; i++) { - - ut_memcpy(consecutive_ios[i]->buf, combined_buf + offs, - consecutive_ios[i]->len); - offs += consecutive_ios[i]->len; - } - } - - if (combined_buf2) { - ut_free(combined_buf2); - } - - os_mutex_enter(array->mutex); - - /* Mark the i/os done in slots */ - - for (i = 0; i < n_consecutive; i++) { - consecutive_ios[i]->io_already_done = TRUE; - } - - /* We return the messages for the first slot now, and if there were - several slots, the messages will be returned with subsequent calls - of this function */ - -slot_io_done: - - ut_a(slot->reserved); - - *message1 = slot->message1; - *message2 = slot->message2; - - *type = slot->type; - - os_mutex_exit(array->mutex); - - os_aio_array_free_slot(array, slot); - - return(ret); - -wait_for_io: - srv_set_io_thread_op_info(global_segment, "resetting wait event"); - - /* We wait here until there again can be i/os in the segment - of this thread */ - - os_event_reset(os_aio_segment_wait_events[global_segment]); - - os_mutex_exit(array->mutex); - -recommended_sleep: - srv_set_io_thread_op_info(global_segment, "waiting for i/o request"); - - os_event_wait(os_aio_segment_wait_events[global_segment]); - - if (os_aio_print_debug) { - fprintf(stderr, - "InnoDB: i/o handler thread for i/o" - " segment %lu wakes up\n", - (ulong) global_segment); - } - - goto restart; -} - -/**********************************************************************//** -Validates the consistency of an aio array. -@return TRUE if ok */ -static -ibool -os_aio_array_validate( -/*==================*/ - os_aio_array_t* array) /*!< in: aio wait array */ -{ - os_aio_slot_t* slot; - ulint n_reserved = 0; - ulint i; - - ut_a(array); - - os_mutex_enter(array->mutex); - - ut_a(array->n_slots > 0); - ut_a(array->n_segments > 0); - - for (i = 0; i < array->n_slots; i++) { - slot = os_aio_array_get_nth_slot(array, i); - - if (slot->reserved) { - n_reserved++; - ut_a(slot->len > 0); - } - } - - ut_a(array->n_reserved == n_reserved); - - os_mutex_exit(array->mutex); - - return(TRUE); -} - -/**********************************************************************//** -Validates the consistency the aio system. -@return TRUE if ok */ -UNIV_INTERN -ibool -os_aio_validate(void) -/*=================*/ -{ - os_aio_array_validate(os_aio_read_array); - os_aio_array_validate(os_aio_write_array); - os_aio_array_validate(os_aio_ibuf_array); - os_aio_array_validate(os_aio_log_array); - os_aio_array_validate(os_aio_sync_array); - - return(TRUE); -} - -/**********************************************************************//** -Prints pending IO requests per segment of an aio array. -We probably don't need per segment statistics but they can help us -during development phase to see if the IO requests are being -distributed as expected. */ -static -void -os_aio_print_segment_info( -/*======================*/ - FILE* file, /*!< in: file where to print */ - ulint* n_seg, /*!< in: pending IO array */ - os_aio_array_t* array) /*!< in: array to process */ -{ - ulint i; - - ut_ad(array); - ut_ad(n_seg); - ut_ad(array->n_segments > 0); - - if (array->n_segments == 1) { - return; - } - - fprintf(file, " ["); - for (i = 0; i < array->n_segments; i++) { - if (i != 0) { - fprintf(file, ", "); - } - - fprintf(file, "%lu", n_seg[i]); - } - fprintf(file, "] "); -} - -/**********************************************************************//** -Prints info of the aio arrays. */ -UNIV_INTERN -void -os_aio_print( -/*=========*/ - FILE* file) /*!< in: file where to print */ -{ - os_aio_array_t* array; - os_aio_slot_t* slot; - ulint n_reserved; - ulint n_res_seg[SRV_MAX_N_IO_THREADS]; - time_t current_time; - double time_elapsed; - double avg_bytes_read; - ulint i; - - for (i = 0; i < srv_n_file_io_threads; i++) { - fprintf(file, "I/O thread %lu state: %s (%s)", (ulong) i, - srv_io_thread_op_info[i], - srv_io_thread_function[i]); - -#ifndef __WIN__ - if (os_aio_segment_wait_events[i]->is_set) { - fprintf(file, " ev set"); - } -#endif - - fprintf(file, "\n"); - } - - fputs("Pending normal aio reads:", file); - - array = os_aio_read_array; -loop: - ut_a(array); - - os_mutex_enter(array->mutex); - - ut_a(array->n_slots > 0); - ut_a(array->n_segments > 0); - - n_reserved = 0; - - memset(n_res_seg, 0x0, sizeof(n_res_seg)); - - for (i = 0; i < array->n_slots; i++) { - ulint seg_no; - - slot = os_aio_array_get_nth_slot(array, i); - - seg_no = (i * array->n_segments) / array->n_slots; - if (slot->reserved) { - n_reserved++; - n_res_seg[seg_no]++; -#if 0 - fprintf(stderr, "Reserved slot, messages %p %p\n", - (void*) slot->message1, - (void*) slot->message2); -#endif - ut_a(slot->len > 0); - } - } - - ut_a(array->n_reserved == n_reserved); - - fprintf(file, " %lu", (ulong) n_reserved); - - os_aio_print_segment_info(file, n_res_seg, array); - - os_mutex_exit(array->mutex); - - if (array == os_aio_read_array) { - fputs(", aio writes:", file); - - array = os_aio_write_array; - - goto loop; - } - - if (array == os_aio_write_array) { - fputs(",\n ibuf aio reads:", file); - array = os_aio_ibuf_array; - - goto loop; - } - - if (array == os_aio_ibuf_array) { - fputs(", log i/o's:", file); - array = os_aio_log_array; - - goto loop; - } - - if (array == os_aio_log_array) { - fputs(", sync i/o's:", file); - array = os_aio_sync_array; - - goto loop; - } - - putc('\n', file); - current_time = time(NULL); - time_elapsed = 0.001 + difftime(current_time, os_last_printout); - - fprintf(file, - "Pending flushes (fsync) log: %lu; buffer pool: %lu\n" - "%lu OS file reads, %lu OS file writes, %lu OS fsyncs\n", - (ulong) fil_n_pending_log_flushes, - (ulong) fil_n_pending_tablespace_flushes, - (ulong) os_n_file_reads, (ulong) os_n_file_writes, - (ulong) os_n_fsyncs); - - if (os_file_n_pending_preads != 0 || os_file_n_pending_pwrites != 0) { - fprintf(file, - "%lu pending preads, %lu pending pwrites\n", - (ulong) os_file_n_pending_preads, - (ulong) os_file_n_pending_pwrites); - } - - if (os_n_file_reads == os_n_file_reads_old) { - avg_bytes_read = 0.0; - } else { - avg_bytes_read = (double) os_bytes_read_since_printout - / (os_n_file_reads - os_n_file_reads_old); - } - - fprintf(file, - "%.2f reads/s, %lu avg bytes/read," - " %.2f writes/s, %.2f fsyncs/s\n", - (os_n_file_reads - os_n_file_reads_old) - / time_elapsed, - (ulong)avg_bytes_read, - (os_n_file_writes - os_n_file_writes_old) - / time_elapsed, - (os_n_fsyncs - os_n_fsyncs_old) - / time_elapsed); - - os_n_file_reads_old = os_n_file_reads; - os_n_file_writes_old = os_n_file_writes; - os_n_fsyncs_old = os_n_fsyncs; - os_bytes_read_since_printout = 0; - - os_last_printout = current_time; -} - -/**********************************************************************//** -Refreshes the statistics used to print per-second averages. */ -UNIV_INTERN -void -os_aio_refresh_stats(void) -/*======================*/ -{ - os_n_file_reads_old = os_n_file_reads; - os_n_file_writes_old = os_n_file_writes; - os_n_fsyncs_old = os_n_fsyncs; - os_bytes_read_since_printout = 0; - - os_last_printout = time(NULL); -} - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Checks that all slots in the system have been freed, that is, there are -no pending io operations. -@return TRUE if all free */ -UNIV_INTERN -ibool -os_aio_all_slots_free(void) -/*=======================*/ -{ - os_aio_array_t* array; - ulint n_res = 0; - - array = os_aio_read_array; - - os_mutex_enter(array->mutex); - - n_res += array->n_reserved; - - os_mutex_exit(array->mutex); - - array = os_aio_write_array; - - os_mutex_enter(array->mutex); - - n_res += array->n_reserved; - - os_mutex_exit(array->mutex); - - array = os_aio_ibuf_array; - - os_mutex_enter(array->mutex); - - n_res += array->n_reserved; - - os_mutex_exit(array->mutex); - - array = os_aio_log_array; - - os_mutex_enter(array->mutex); - - n_res += array->n_reserved; - - os_mutex_exit(array->mutex); - - array = os_aio_sync_array; - - os_mutex_enter(array->mutex); - - n_res += array->n_reserved; - - os_mutex_exit(array->mutex); - - if (n_res == 0) { - - return(TRUE); - } - - return(FALSE); -} -#endif /* UNIV_DEBUG */ - -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/os/os0proc.c b/perfschema/os/os0proc.c deleted file mode 100644 index 48922886f23..00000000000 --- a/perfschema/os/os0proc.c +++ /dev/null @@ -1,231 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file os/os0proc.c -The interface to the operating system -process control primitives - -Created 9/30/1995 Heikki Tuuri -*******************************************************/ - -#include "os0proc.h" -#ifdef UNIV_NONINL -#include "os0proc.ic" -#endif - -#include "ut0mem.h" -#include "ut0byte.h" - -/* FreeBSD for example has only MAP_ANON, Linux has MAP_ANONYMOUS and -MAP_ANON but MAP_ANON is marked as deprecated */ -#if defined(MAP_ANONYMOUS) -#define OS_MAP_ANON MAP_ANONYMOUS -#elif defined(MAP_ANON) -#define OS_MAP_ANON MAP_ANON -#endif - -UNIV_INTERN ibool os_use_large_pages; -/* Large page size. This may be a boot-time option on some platforms */ -UNIV_INTERN ulint os_large_page_size; - -/****************************************************************//** -Converts the current process id to a number. It is not guaranteed that the -number is unique. In Linux returns the 'process number' of the current -thread. That number is the same as one sees in 'top', for example. In Linux -the thread id is not the same as one sees in 'top'. -@return process id as a number */ -UNIV_INTERN -ulint -os_proc_get_number(void) -/*====================*/ -{ -#ifdef __WIN__ - return((ulint)GetCurrentProcessId()); -#else - return((ulint)getpid()); -#endif -} - -/****************************************************************//** -Allocates large pages memory. -@return allocated memory */ -UNIV_INTERN -void* -os_mem_alloc_large( -/*===============*/ - ulint* n) /*!< in/out: number of bytes */ -{ - void* ptr; - ulint size; -#if defined HAVE_LARGE_PAGES && defined UNIV_LINUX - int shmid; - struct shmid_ds buf; - - if (!os_use_large_pages || !os_large_page_size) { - goto skip; - } - - /* Align block size to os_large_page_size */ - ut_ad(ut_is_2pow(os_large_page_size)); - size = ut_2pow_round(*n + (os_large_page_size - 1), - os_large_page_size); - - shmid = shmget(IPC_PRIVATE, (size_t)size, SHM_HUGETLB | SHM_R | SHM_W); - if (shmid < 0) { - fprintf(stderr, "InnoDB: HugeTLB: Warning: Failed to allocate" - " %lu bytes. errno %d\n", size, errno); - ptr = NULL; - } else { - ptr = shmat(shmid, NULL, 0); - if (ptr == (void *)-1) { - fprintf(stderr, "InnoDB: HugeTLB: Warning: Failed to" - " attach shared memory segment, errno %d\n", - errno); - ptr = NULL; - } - - /* Remove the shared memory segment so that it will be - automatically freed after memory is detached or - process exits */ - shmctl(shmid, IPC_RMID, &buf); - } - - if (ptr) { - *n = size; - os_fast_mutex_lock(&ut_list_mutex); - ut_total_allocated_memory += size; - os_fast_mutex_unlock(&ut_list_mutex); -# ifdef UNIV_SET_MEM_TO_ZERO - memset(ptr, '\0', size); -# endif - UNIV_MEM_ALLOC(ptr, size); - return(ptr); - } - - fprintf(stderr, "InnoDB HugeTLB: Warning: Using conventional" - " memory pool\n"); -skip: -#endif /* HAVE_LARGE_PAGES && UNIV_LINUX */ - -#ifdef __WIN__ - SYSTEM_INFO system_info; - GetSystemInfo(&system_info); - - /* Align block size to system page size */ - ut_ad(ut_is_2pow(system_info.dwPageSize)); - /* system_info.dwPageSize is only 32-bit. Casting to ulint is required - on 64-bit Windows. */ - size = *n = ut_2pow_round(*n + (system_info.dwPageSize - 1), - (ulint) system_info.dwPageSize); - ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, - PAGE_READWRITE); - if (!ptr) { - fprintf(stderr, "InnoDB: VirtualAlloc(%lu bytes) failed;" - " Windows error %lu\n", - (ulong) size, (ulong) GetLastError()); - } else { - os_fast_mutex_lock(&ut_list_mutex); - ut_total_allocated_memory += size; - os_fast_mutex_unlock(&ut_list_mutex); - UNIV_MEM_ALLOC(ptr, size); - } -#elif defined __NETWARE__ || !defined OS_MAP_ANON - size = *n; - ptr = ut_malloc_low(size, TRUE, FALSE); -#else -# ifdef HAVE_GETPAGESIZE - size = getpagesize(); -# else - size = UNIV_PAGE_SIZE; -# endif - /* Align block size to system page size */ - ut_ad(ut_is_2pow(size)); - size = *n = ut_2pow_round(*n + (size - 1), size); - ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | OS_MAP_ANON, -1, 0); - if (UNIV_UNLIKELY(ptr == (void*) -1)) { - fprintf(stderr, "InnoDB: mmap(%lu bytes) failed;" - " errno %lu\n", - (ulong) size, (ulong) errno); - ptr = NULL; - } else { - os_fast_mutex_lock(&ut_list_mutex); - ut_total_allocated_memory += size; - os_fast_mutex_unlock(&ut_list_mutex); - UNIV_MEM_ALLOC(ptr, size); - } -#endif - return(ptr); -} - -/****************************************************************//** -Frees large pages memory. */ -UNIV_INTERN -void -os_mem_free_large( -/*==============*/ - void *ptr, /*!< in: pointer returned by - os_mem_alloc_large() */ - ulint size) /*!< in: size returned by - os_mem_alloc_large() */ -{ - os_fast_mutex_lock(&ut_list_mutex); - ut_a(ut_total_allocated_memory >= size); - os_fast_mutex_unlock(&ut_list_mutex); - -#if defined HAVE_LARGE_PAGES && defined UNIV_LINUX - if (os_use_large_pages && os_large_page_size && !shmdt(ptr)) { - os_fast_mutex_lock(&ut_list_mutex); - ut_a(ut_total_allocated_memory >= size); - ut_total_allocated_memory -= size; - os_fast_mutex_unlock(&ut_list_mutex); - UNIV_MEM_FREE(ptr, size); - return; - } -#endif /* HAVE_LARGE_PAGES && UNIV_LINUX */ -#ifdef __WIN__ - /* When RELEASE memory, the size parameter must be 0. - Do not use MEM_RELEASE with MEM_DECOMMIT. */ - if (!VirtualFree(ptr, 0, MEM_RELEASE)) { - fprintf(stderr, "InnoDB: VirtualFree(%p, %lu) failed;" - " Windows error %lu\n", - ptr, (ulong) size, (ulong) GetLastError()); - } else { - os_fast_mutex_lock(&ut_list_mutex); - ut_a(ut_total_allocated_memory >= size); - ut_total_allocated_memory -= size; - os_fast_mutex_unlock(&ut_list_mutex); - UNIV_MEM_FREE(ptr, size); - } -#elif defined __NETWARE__ || !defined OS_MAP_ANON - ut_free(ptr); -#else - if (munmap(ptr, size)) { - fprintf(stderr, "InnoDB: munmap(%p, %lu) failed;" - " errno %lu\n", - ptr, (ulong) size, (ulong) errno); - } else { - os_fast_mutex_lock(&ut_list_mutex); - ut_a(ut_total_allocated_memory >= size); - ut_total_allocated_memory -= size; - os_fast_mutex_unlock(&ut_list_mutex); - UNIV_MEM_FREE(ptr, size); - } -#endif -} diff --git a/perfschema/os/os0sync.c b/perfschema/os/os0sync.c deleted file mode 100644 index 60467242e14..00000000000 --- a/perfschema/os/os0sync.c +++ /dev/null @@ -1,725 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file os/os0sync.c -The interface to the operating system -synchronization primitives. - -Created 9/6/1995 Heikki Tuuri -*******************************************************/ - -#include "os0sync.h" -#ifdef UNIV_NONINL -#include "os0sync.ic" -#endif - -#ifdef __WIN__ -#include -#endif - -#include "ut0mem.h" -#include "srv0start.h" - -/* Type definition for an operating system mutex struct */ -struct os_mutex_struct{ - os_event_t event; /*!< Used by sync0arr.c for queing threads */ - void* handle; /*!< OS handle to mutex */ - ulint count; /*!< we use this counter to check - that the same thread does not - recursively lock the mutex: we - do not assume that the OS mutex - supports recursive locking, though - NT seems to do that */ - UT_LIST_NODE_T(os_mutex_str_t) os_mutex_list; - /* list of all 'slow' OS mutexes created */ -}; - -/** Mutex protecting counts and the lists of OS mutexes and events */ -UNIV_INTERN os_mutex_t os_sync_mutex; -/** TRUE if os_sync_mutex has been initialized */ -static ibool os_sync_mutex_inited = FALSE; -/** TRUE when os_sync_free() is being executed */ -static ibool os_sync_free_called = FALSE; - -/** This is incremented by 1 in os_thread_create and decremented by 1 in -os_thread_exit */ -UNIV_INTERN ulint os_thread_count = 0; - -/** The list of all events created */ -static UT_LIST_BASE_NODE_T(os_event_struct_t) os_event_list; - -/** The list of all OS 'slow' mutexes */ -static UT_LIST_BASE_NODE_T(os_mutex_str_t) os_mutex_list; - -UNIV_INTERN ulint os_event_count = 0; -UNIV_INTERN ulint os_mutex_count = 0; -UNIV_INTERN ulint os_fast_mutex_count = 0; - -/* Because a mutex is embedded inside an event and there is an -event embedded inside a mutex, on free, this generates a recursive call. -This version of the free event function doesn't acquire the global lock */ -static void os_event_free_internal(os_event_t event); - -/*********************************************************//** -Initializes global event and OS 'slow' mutex lists. */ -UNIV_INTERN -void -os_sync_init(void) -/*==============*/ -{ - UT_LIST_INIT(os_event_list); - UT_LIST_INIT(os_mutex_list); - - os_sync_mutex = NULL; - os_sync_mutex_inited = FALSE; - - os_sync_mutex = os_mutex_create(NULL); - - os_sync_mutex_inited = TRUE; -} - -/*********************************************************//** -Frees created events and OS 'slow' mutexes. */ -UNIV_INTERN -void -os_sync_free(void) -/*==============*/ -{ - os_event_t event; - os_mutex_t mutex; - - os_sync_free_called = TRUE; - event = UT_LIST_GET_FIRST(os_event_list); - - while (event) { - - os_event_free(event); - - event = UT_LIST_GET_FIRST(os_event_list); - } - - mutex = UT_LIST_GET_FIRST(os_mutex_list); - - while (mutex) { - if (mutex == os_sync_mutex) { - /* Set the flag to FALSE so that we do not try to - reserve os_sync_mutex any more in remaining freeing - operations in shutdown */ - os_sync_mutex_inited = FALSE; - } - - os_mutex_free(mutex); - - mutex = UT_LIST_GET_FIRST(os_mutex_list); - } - os_sync_free_called = FALSE; -} - -/*********************************************************//** -Creates an event semaphore, i.e., a semaphore which may just have two -states: signaled and nonsignaled. The created event is manual reset: it -must be reset explicitly by calling sync_os_reset_event. -@return the event handle */ -UNIV_INTERN -os_event_t -os_event_create( -/*============*/ - const char* name) /*!< in: the name of the event, if NULL - the event is created without a name */ -{ -#ifdef __WIN__ - os_event_t event; - - event = ut_malloc(sizeof(struct os_event_struct)); - - event->handle = CreateEvent(NULL, /* No security attributes */ - TRUE, /* Manual reset */ - FALSE, /* Initial state nonsignaled */ - (LPCTSTR) name); - if (!event->handle) { - fprintf(stderr, - "InnoDB: Could not create a Windows event semaphore;" - " Windows error %lu\n", - (ulong) GetLastError()); - } -#else /* Unix */ - os_event_t event; - - UT_NOT_USED(name); - - event = ut_malloc(sizeof(struct os_event_struct)); - - os_fast_mutex_init(&(event->os_mutex)); - - ut_a(0 == pthread_cond_init(&(event->cond_var), NULL)); - - event->is_set = FALSE; - - /* We return this value in os_event_reset(), which can then be - be used to pass to the os_event_wait_low(). The value of zero - is reserved in os_event_wait_low() for the case when the - caller does not want to pass any signal_count value. To - distinguish between the two cases we initialize signal_count - to 1 here. */ - event->signal_count = 1; -#endif /* __WIN__ */ - - /* The os_sync_mutex can be NULL because during startup an event - can be created [ because it's embedded in the mutex/rwlock ] before - this module has been initialized */ - if (os_sync_mutex != NULL) { - os_mutex_enter(os_sync_mutex); - } - - /* Put to the list of events */ - UT_LIST_ADD_FIRST(os_event_list, os_event_list, event); - - os_event_count++; - - if (os_sync_mutex != NULL) { - os_mutex_exit(os_sync_mutex); - } - - return(event); -} - -/**********************************************************//** -Sets an event semaphore to the signaled state: lets waiting threads -proceed. */ -UNIV_INTERN -void -os_event_set( -/*=========*/ - os_event_t event) /*!< in: event to set */ -{ -#ifdef __WIN__ - ut_a(event); - ut_a(SetEvent(event->handle)); -#else - ut_a(event); - - os_fast_mutex_lock(&(event->os_mutex)); - - if (event->is_set) { - /* Do nothing */ - } else { - event->is_set = TRUE; - event->signal_count += 1; - ut_a(0 == pthread_cond_broadcast(&(event->cond_var))); - } - - os_fast_mutex_unlock(&(event->os_mutex)); -#endif -} - -/**********************************************************//** -Resets an event semaphore to the nonsignaled state. Waiting threads will -stop to wait for the event. -The return value should be passed to os_even_wait_low() if it is desired -that this thread should not wait in case of an intervening call to -os_event_set() between this os_event_reset() and the -os_event_wait_low() call. See comments for os_event_wait_low(). -@return current signal_count. */ -UNIV_INTERN -ib_int64_t -os_event_reset( -/*===========*/ - os_event_t event) /*!< in: event to reset */ -{ - ib_int64_t ret = 0; - -#ifdef __WIN__ - ut_a(event); - - ut_a(ResetEvent(event->handle)); -#else - ut_a(event); - - os_fast_mutex_lock(&(event->os_mutex)); - - if (!event->is_set) { - /* Do nothing */ - } else { - event->is_set = FALSE; - } - ret = event->signal_count; - - os_fast_mutex_unlock(&(event->os_mutex)); -#endif - return(ret); -} - -/**********************************************************//** -Frees an event object, without acquiring the global lock. */ -static -void -os_event_free_internal( -/*===================*/ - os_event_t event) /*!< in: event to free */ -{ -#ifdef __WIN__ - ut_a(event); - - ut_a(CloseHandle(event->handle)); -#else - ut_a(event); - - /* This is to avoid freeing the mutex twice */ - os_fast_mutex_free(&(event->os_mutex)); - - ut_a(0 == pthread_cond_destroy(&(event->cond_var))); -#endif - /* Remove from the list of events */ - - UT_LIST_REMOVE(os_event_list, os_event_list, event); - - os_event_count--; - - ut_free(event); -} - -/**********************************************************//** -Frees an event object. */ -UNIV_INTERN -void -os_event_free( -/*==========*/ - os_event_t event) /*!< in: event to free */ - -{ -#ifdef __WIN__ - ut_a(event); - - ut_a(CloseHandle(event->handle)); -#else - ut_a(event); - - os_fast_mutex_free(&(event->os_mutex)); - ut_a(0 == pthread_cond_destroy(&(event->cond_var))); -#endif - /* Remove from the list of events */ - - os_mutex_enter(os_sync_mutex); - - UT_LIST_REMOVE(os_event_list, os_event_list, event); - - os_event_count--; - - os_mutex_exit(os_sync_mutex); - - ut_free(event); -} - -/**********************************************************//** -Waits for an event object until it is in the signaled state. If -srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS this also exits the -waiting thread when the event becomes signaled (or immediately if the -event is already in the signaled state). - -Typically, if the event has been signalled after the os_event_reset() -we'll return immediately because event->is_set == TRUE. -There are, however, situations (e.g.: sync_array code) where we may -lose this information. For example: - -thread A calls os_event_reset() -thread B calls os_event_set() [event->is_set == TRUE] -thread C calls os_event_reset() [event->is_set == FALSE] -thread A calls os_event_wait() [infinite wait!] -thread C calls os_event_wait() [infinite wait!] - -Where such a scenario is possible, to avoid infinite wait, the -value returned by os_event_reset() should be passed in as -reset_sig_count. */ -UNIV_INTERN -void -os_event_wait_low( -/*==============*/ - os_event_t event, /*!< in: event to wait */ - ib_int64_t reset_sig_count)/*!< in: zero or the value - returned by previous call of - os_event_reset(). */ -{ -#ifdef __WIN__ - DWORD err; - - ut_a(event); - - UT_NOT_USED(reset_sig_count); - - /* Specify an infinite time limit for waiting */ - err = WaitForSingleObject(event->handle, INFINITE); - - ut_a(err == WAIT_OBJECT_0); - - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - os_thread_exit(NULL); - } -#else - ib_int64_t old_signal_count; - - os_fast_mutex_lock(&(event->os_mutex)); - - if (reset_sig_count) { - old_signal_count = reset_sig_count; - } else { - old_signal_count = event->signal_count; - } - - for (;;) { - if (event->is_set == TRUE - || event->signal_count != old_signal_count) { - - os_fast_mutex_unlock(&(event->os_mutex)); - - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - - os_thread_exit(NULL); - } - /* Ok, we may return */ - - return; - } - - pthread_cond_wait(&(event->cond_var), &(event->os_mutex)); - - /* Solaris manual said that spurious wakeups may occur: we - have to check if the event really has been signaled after - we came here to wait */ - } -#endif -} - -/**********************************************************//** -Waits for an event object until it is in the signaled state or -a timeout is exceeded. In Unix the timeout is always infinite. -@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */ -UNIV_INTERN -ulint -os_event_wait_time( -/*===============*/ - os_event_t event, /*!< in: event to wait */ - ulint time) /*!< in: timeout in microseconds, or - OS_SYNC_INFINITE_TIME */ -{ -#ifdef __WIN__ - DWORD err; - - ut_a(event); - - if (time != OS_SYNC_INFINITE_TIME) { - err = WaitForSingleObject(event->handle, (DWORD) time / 1000); - } else { - err = WaitForSingleObject(event->handle, INFINITE); - } - - if (err == WAIT_OBJECT_0) { - - return(0); - } else if (err == WAIT_TIMEOUT) { - - return(OS_SYNC_TIME_EXCEEDED); - } else { - ut_error; - return(1000000); /* dummy value to eliminate compiler warn. */ - } -#else - UT_NOT_USED(time); - - /* In Posix this is just an ordinary, infinite wait */ - - os_event_wait(event); - - return(0); -#endif -} - -#ifdef __WIN__ -/**********************************************************//** -Waits for any event in an OS native event array. Returns if even a single -one is signaled or becomes signaled. -@return index of the event which was signaled */ -UNIV_INTERN -ulint -os_event_wait_multiple( -/*===================*/ - ulint n, /*!< in: number of events in the - array */ - os_native_event_t* native_event_array) - /*!< in: pointer to an array of event - handles */ -{ - DWORD index; - - ut_a(native_event_array); - ut_a(n > 0); - - index = WaitForMultipleObjects((DWORD) n, native_event_array, - FALSE, /* Wait for any 1 event */ - INFINITE); /* Infinite wait time - limit */ - ut_a(index >= WAIT_OBJECT_0); /* NOTE: Pointless comparison */ - ut_a(index < WAIT_OBJECT_0 + n); - - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - os_thread_exit(NULL); - } - - return(index - WAIT_OBJECT_0); -} -#endif - -/*********************************************************//** -Creates an operating system mutex semaphore. Because these are slow, the -mutex semaphore of InnoDB itself (mutex_t) should be used where possible. -@return the mutex handle */ -UNIV_INTERN -os_mutex_t -os_mutex_create( -/*============*/ - const char* name) /*!< in: the name of the mutex, if NULL - the mutex is created without a name */ -{ -#ifdef __WIN__ - HANDLE mutex; - os_mutex_t mutex_str; - - mutex = CreateMutex(NULL, /* No security attributes */ - FALSE, /* Initial state: no owner */ - (LPCTSTR) name); - ut_a(mutex); -#else - os_fast_mutex_t* mutex; - os_mutex_t mutex_str; - - UT_NOT_USED(name); - - mutex = ut_malloc(sizeof(os_fast_mutex_t)); - - os_fast_mutex_init(mutex); -#endif - mutex_str = ut_malloc(sizeof(os_mutex_str_t)); - - mutex_str->handle = mutex; - mutex_str->count = 0; - mutex_str->event = os_event_create(NULL); - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - /* When creating os_sync_mutex itself we cannot reserve it */ - os_mutex_enter(os_sync_mutex); - } - - UT_LIST_ADD_FIRST(os_mutex_list, os_mutex_list, mutex_str); - - os_mutex_count++; - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - os_mutex_exit(os_sync_mutex); - } - - return(mutex_str); -} - -/**********************************************************//** -Acquires ownership of a mutex semaphore. */ -UNIV_INTERN -void -os_mutex_enter( -/*===========*/ - os_mutex_t mutex) /*!< in: mutex to acquire */ -{ -#ifdef __WIN__ - DWORD err; - - ut_a(mutex); - - /* Specify infinite time limit for waiting */ - err = WaitForSingleObject(mutex->handle, INFINITE); - - ut_a(err == WAIT_OBJECT_0); - - (mutex->count)++; - ut_a(mutex->count == 1); -#else - os_fast_mutex_lock(mutex->handle); - - (mutex->count)++; - - ut_a(mutex->count == 1); -#endif -} - -/**********************************************************//** -Releases ownership of a mutex. */ -UNIV_INTERN -void -os_mutex_exit( -/*==========*/ - os_mutex_t mutex) /*!< in: mutex to release */ -{ - ut_a(mutex); - - ut_a(mutex->count == 1); - - (mutex->count)--; -#ifdef __WIN__ - ut_a(ReleaseMutex(mutex->handle)); -#else - os_fast_mutex_unlock(mutex->handle); -#endif -} - -/**********************************************************//** -Frees a mutex object. */ -UNIV_INTERN -void -os_mutex_free( -/*==========*/ - os_mutex_t mutex) /*!< in: mutex to free */ -{ - ut_a(mutex); - - if (UNIV_LIKELY(!os_sync_free_called)) { - os_event_free_internal(mutex->event); - } - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - os_mutex_enter(os_sync_mutex); - } - - UT_LIST_REMOVE(os_mutex_list, os_mutex_list, mutex); - - os_mutex_count--; - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - os_mutex_exit(os_sync_mutex); - } - -#ifdef __WIN__ - ut_a(CloseHandle(mutex->handle)); - - ut_free(mutex); -#else - os_fast_mutex_free(mutex->handle); - ut_free(mutex->handle); - ut_free(mutex); -#endif -} - -/*********************************************************//** -Initializes an operating system fast mutex semaphore. */ -UNIV_INTERN -void -os_fast_mutex_init( -/*===============*/ - os_fast_mutex_t* fast_mutex) /*!< in: fast mutex */ -{ -#ifdef __WIN__ - ut_a(fast_mutex); - - InitializeCriticalSection((LPCRITICAL_SECTION) fast_mutex); -#else - ut_a(0 == pthread_mutex_init(fast_mutex, MY_MUTEX_INIT_FAST)); -#endif - if (UNIV_LIKELY(os_sync_mutex_inited)) { - /* When creating os_sync_mutex itself (in Unix) we cannot - reserve it */ - - os_mutex_enter(os_sync_mutex); - } - - os_fast_mutex_count++; - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - os_mutex_exit(os_sync_mutex); - } -} - -/**********************************************************//** -Acquires ownership of a fast mutex. */ -UNIV_INTERN -void -os_fast_mutex_lock( -/*===============*/ - os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ -{ -#ifdef __WIN__ - EnterCriticalSection((LPCRITICAL_SECTION) fast_mutex); -#else - pthread_mutex_lock(fast_mutex); -#endif -} - -/**********************************************************//** -Releases ownership of a fast mutex. */ -UNIV_INTERN -void -os_fast_mutex_unlock( -/*=================*/ - os_fast_mutex_t* fast_mutex) /*!< in: mutex to release */ -{ -#ifdef __WIN__ - LeaveCriticalSection(fast_mutex); -#else - pthread_mutex_unlock(fast_mutex); -#endif -} - -/**********************************************************//** -Frees a mutex object. */ -UNIV_INTERN -void -os_fast_mutex_free( -/*===============*/ - os_fast_mutex_t* fast_mutex) /*!< in: mutex to free */ -{ -#ifdef __WIN__ - ut_a(fast_mutex); - - DeleteCriticalSection((LPCRITICAL_SECTION) fast_mutex); -#else - int ret; - - ret = pthread_mutex_destroy(fast_mutex); - - if (UNIV_UNLIKELY(ret != 0)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: error: return value %lu when calling\n" - "InnoDB: pthread_mutex_destroy().\n", (ulint)ret); - fprintf(stderr, - "InnoDB: Byte contents of the pthread mutex at %p:\n", - (void*) fast_mutex); - ut_print_buf(stderr, fast_mutex, sizeof(os_fast_mutex_t)); - putc('\n', stderr); - } -#endif - if (UNIV_LIKELY(os_sync_mutex_inited)) { - /* When freeing the last mutexes, we have - already freed os_sync_mutex */ - - os_mutex_enter(os_sync_mutex); - } - - ut_ad(os_fast_mutex_count > 0); - os_fast_mutex_count--; - - if (UNIV_LIKELY(os_sync_mutex_inited)) { - os_mutex_exit(os_sync_mutex); - } -} diff --git a/perfschema/os/os0thread.c b/perfschema/os/os0thread.c deleted file mode 100644 index ac733373646..00000000000 --- a/perfschema/os/os0thread.c +++ /dev/null @@ -1,361 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file os/os0thread.c -The interface to the operating system thread control primitives - -Created 9/8/1995 Heikki Tuuri -*******************************************************/ - -#include "os0thread.h" -#ifdef UNIV_NONINL -#include "os0thread.ic" -#endif - -#ifdef __WIN__ -#include -#endif - -#ifndef UNIV_HOTBACKUP -#include "srv0srv.h" -#include "os0sync.h" - -/***************************************************************//** -Compares two thread ids for equality. -@return TRUE if equal */ -UNIV_INTERN -ibool -os_thread_eq( -/*=========*/ - os_thread_id_t a, /*!< in: OS thread or thread id */ - os_thread_id_t b) /*!< in: OS thread or thread id */ -{ -#ifdef __WIN__ - if (a == b) { - return(TRUE); - } - - return(FALSE); -#else - if (pthread_equal(a, b)) { - return(TRUE); - } - - return(FALSE); -#endif -} - -/****************************************************************//** -Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is -unique for the thread though! -@return thread identifier as a number */ -UNIV_INTERN -ulint -os_thread_pf( -/*=========*/ - os_thread_id_t a) /*!< in: OS thread identifier */ -{ -#ifdef UNIV_HPUX10 - /* In HP-UX-10.20 a pthread_t is a struct of 3 fields: field1, field2, - field3. We do not know if field1 determines the thread uniquely. */ - - return((ulint)(a.field1)); -#else - return((ulint)a); -#endif -} - -/*****************************************************************//** -Returns the thread identifier of current thread. Currently the thread -identifier in Unix is the thread handle itself. Note that in HP-UX -pthread_t is a struct of 3 fields. -@return current thread identifier */ -UNIV_INTERN -os_thread_id_t -os_thread_get_curr_id(void) -/*=======================*/ -{ -#ifdef __WIN__ - return(GetCurrentThreadId()); -#else - return(pthread_self()); -#endif -} - -/****************************************************************//** -Creates a new thread of execution. The execution starts from -the function given. The start function takes a void* parameter -and returns an ulint. -@return handle to the thread */ -UNIV_INTERN -os_thread_t -os_thread_create( -/*=============*/ -#ifndef __WIN__ - os_posix_f_t start_f, -#else - ulint (*start_f)(void*), /*!< in: pointer to function - from which to start */ -#endif - void* arg, /*!< in: argument to start - function */ - os_thread_id_t* thread_id) /*!< out: id of the created - thread, or NULL */ -{ -#ifdef __WIN__ - os_thread_t thread; - DWORD win_thread_id; - - os_mutex_enter(os_sync_mutex); - os_thread_count++; - os_mutex_exit(os_sync_mutex); - - thread = CreateThread(NULL, /* no security attributes */ - 0, /* default size stack */ - (LPTHREAD_START_ROUTINE)start_f, - arg, - 0, /* thread runs immediately */ - &win_thread_id); - - if (thread_id) { - *thread_id = win_thread_id; - } - - return(thread); -#else - int ret; - os_thread_t pthread; - pthread_attr_t attr; - -#ifndef UNIV_HPUX10 - pthread_attr_init(&attr); -#endif - -#ifdef UNIV_AIX - /* We must make sure a thread stack is at least 32 kB, otherwise - InnoDB might crash; we do not know if the default stack size on - AIX is always big enough. An empirical test on AIX-4.3 suggested - the size was 96 kB, though. */ - - ret = pthread_attr_setstacksize(&attr, - (size_t)(PTHREAD_STACK_MIN - + 32 * 1024)); - if (ret) { - fprintf(stderr, - "InnoDB: Error: pthread_attr_setstacksize" - " returned %d\n", ret); - exit(1); - } -#endif -#ifdef __NETWARE__ - ret = pthread_attr_setstacksize(&attr, - (size_t) NW_THD_STACKSIZE); - if (ret) { - fprintf(stderr, - "InnoDB: Error: pthread_attr_setstacksize" - " returned %d\n", ret); - exit(1); - } -#endif - os_mutex_enter(os_sync_mutex); - os_thread_count++; - os_mutex_exit(os_sync_mutex); - -#ifdef UNIV_HPUX10 - ret = pthread_create(&pthread, pthread_attr_default, start_f, arg); -#else - ret = pthread_create(&pthread, &attr, start_f, arg); -#endif - if (ret) { - fprintf(stderr, - "InnoDB: Error: pthread_create returned %d\n", ret); - exit(1); - } - -#ifndef UNIV_HPUX10 - pthread_attr_destroy(&attr); -#endif - if (thread_id) { - *thread_id = pthread; - } - - return(pthread); -#endif -} - -/*****************************************************************//** -Exits the current thread. */ -UNIV_INTERN -void -os_thread_exit( -/*===========*/ - void* exit_value) /*!< in: exit value; in Windows this void* - is cast as a DWORD */ -{ -#ifdef UNIV_DEBUG_THREAD_CREATION - fprintf(stderr, "Thread exits, id %lu\n", - os_thread_pf(os_thread_get_curr_id())); -#endif - os_mutex_enter(os_sync_mutex); - os_thread_count--; - os_mutex_exit(os_sync_mutex); - -#ifdef __WIN__ - ExitThread((DWORD)exit_value); -#else - pthread_detach(pthread_self()); - pthread_exit(exit_value); -#endif -} - -/*****************************************************************//** -Returns handle to the current thread. -@return current thread handle */ -UNIV_INTERN -os_thread_t -os_thread_get_curr(void) -/*====================*/ -{ -#ifdef __WIN__ - return(GetCurrentThread()); -#else - return(pthread_self()); -#endif -} - -/*****************************************************************//** -Advises the os to give up remainder of the thread's time slice. */ -UNIV_INTERN -void -os_thread_yield(void) -/*=================*/ -{ -#if defined(__WIN__) - Sleep(0); -#elif (defined(HAVE_SCHED_YIELD) && defined(HAVE_SCHED_H)) - sched_yield(); -#elif defined(HAVE_PTHREAD_YIELD_ZERO_ARG) - pthread_yield(); -#elif defined(HAVE_PTHREAD_YIELD_ONE_ARG) - pthread_yield(0); -#else - os_thread_sleep(0); -#endif -} -#endif /* !UNIV_HOTBACKUP */ - -/*****************************************************************//** -The thread sleeps at least the time given in microseconds. */ -UNIV_INTERN -void -os_thread_sleep( -/*============*/ - ulint tm) /*!< in: time in microseconds */ -{ -#ifdef __WIN__ - Sleep((DWORD) tm / 1000); -#elif defined(__NETWARE__) - delay(tm / 1000); -#else - struct timeval t; - - t.tv_sec = tm / 1000000; - t.tv_usec = tm % 1000000; - - select(0, NULL, NULL, NULL, &t); -#endif -} - -#ifndef UNIV_HOTBACKUP -/******************************************************************//** -Sets a thread priority. */ -UNIV_INTERN -void -os_thread_set_priority( -/*===================*/ - os_thread_t handle, /*!< in: OS handle to the thread */ - ulint pri) /*!< in: priority */ -{ -#ifdef __WIN__ - int os_pri; - - if (pri == OS_THREAD_PRIORITY_BACKGROUND) { - os_pri = THREAD_PRIORITY_BELOW_NORMAL; - } else if (pri == OS_THREAD_PRIORITY_NORMAL) { - os_pri = THREAD_PRIORITY_NORMAL; - } else if (pri == OS_THREAD_PRIORITY_ABOVE_NORMAL) { - os_pri = THREAD_PRIORITY_HIGHEST; - } else { - ut_error; - } - - ut_a(SetThreadPriority(handle, os_pri)); -#else - UT_NOT_USED(handle); - UT_NOT_USED(pri); -#endif -} - -/******************************************************************//** -Gets a thread priority. -@return priority */ -UNIV_INTERN -ulint -os_thread_get_priority( -/*===================*/ - os_thread_t handle __attribute__((unused))) - /*!< in: OS handle to the thread */ -{ -#ifdef __WIN__ - int os_pri; - ulint pri; - - os_pri = GetThreadPriority(handle); - - if (os_pri == THREAD_PRIORITY_BELOW_NORMAL) { - pri = OS_THREAD_PRIORITY_BACKGROUND; - } else if (os_pri == THREAD_PRIORITY_NORMAL) { - pri = OS_THREAD_PRIORITY_NORMAL; - } else if (os_pri == THREAD_PRIORITY_HIGHEST) { - pri = OS_THREAD_PRIORITY_ABOVE_NORMAL; - } else { - ut_error; - } - - return(pri); -#else - return(0); -#endif -} - -/******************************************************************//** -Gets the last operating system error code for the calling thread. -@return last error on Windows, 0 otherwise */ -UNIV_INTERN -ulint -os_thread_get_last_error(void) -/*==========================*/ -{ -#ifdef __WIN__ - return(GetLastError()); -#else - return(0); -#endif -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/page/page0cur.c b/perfschema/page/page0cur.c deleted file mode 100644 index f10f16a7dd9..00000000000 --- a/perfschema/page/page0cur.c +++ /dev/null @@ -1,1987 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file page/page0cur.c -The page cursor - -Created 10/4/1994 Heikki Tuuri -*************************************************************************/ - -#include "page0cur.h" -#ifdef UNIV_NONINL -#include "page0cur.ic" -#endif - -#include "page0zip.h" -#include "mtr0log.h" -#include "log0recv.h" -#include "ut0ut.h" -#ifndef UNIV_HOTBACKUP -#include "rem0cmp.h" - -#ifdef PAGE_CUR_ADAPT -# ifdef UNIV_SEARCH_PERF_STAT -static ulint page_cur_short_succ = 0; -# endif /* UNIV_SEARCH_PERF_STAT */ - -/*******************************************************************//** -This is a linear congruential generator PRNG. Returns a pseudo random -number between 0 and 2^64-1 inclusive. The formula and the constants -being used are: -X[n+1] = (a * X[n] + c) mod m -where: -X[0] = ut_time_us(NULL) -a = 1103515245 (3^5 * 5 * 7 * 129749) -c = 12345 (3 * 5 * 823) -m = 18446744073709551616 (2^64) - -@return number between 0 and 2^64-1 */ -static -ib_uint64_t -page_cur_lcg_prng(void) -/*===================*/ -{ -#define LCG_a 1103515245 -#define LCG_c 12345 - static ib_uint64_t lcg_current = 0; - static ibool initialized = FALSE; - - if (!initialized) { - lcg_current = (ib_uint64_t) ut_time_us(NULL); - initialized = TRUE; - } - - /* no need to "% 2^64" explicitly because lcg_current is - 64 bit and this will be done anyway */ - lcg_current = LCG_a * lcg_current + LCG_c; - - return(lcg_current); -} - -/****************************************************************//** -Tries a search shortcut based on the last insert. -@return TRUE on success */ -UNIV_INLINE -ibool -page_cur_try_search_shortcut( -/*=========================*/ - const buf_block_t* block, /*!< in: index page */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint* iup_matched_fields, - /*!< in/out: already matched - fields in upper limit record */ - ulint* iup_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - ulint* ilow_matched_fields, - /*!< in/out: already matched - fields in lower limit record */ - ulint* ilow_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - page_cur_t* cursor) /*!< out: page cursor */ -{ - const rec_t* rec; - const rec_t* next_rec; - ulint low_match; - ulint low_bytes; - ulint up_match; - ulint up_bytes; -#ifdef UNIV_SEARCH_DEBUG - page_cur_t cursor2; -#endif - ibool success = FALSE; - const page_t* page = buf_block_get_frame(block); - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(dtuple_check_typed(tuple)); - - rec = page_header_get_ptr(page, PAGE_LAST_INSERT); - offsets = rec_get_offsets(rec, index, offsets, - dtuple_get_n_fields(tuple), &heap); - - ut_ad(rec); - ut_ad(page_rec_is_user_rec(rec)); - - ut_pair_min(&low_match, &low_bytes, - *ilow_matched_fields, *ilow_matched_bytes, - *iup_matched_fields, *iup_matched_bytes); - - up_match = low_match; - up_bytes = low_bytes; - - if (page_cmp_dtuple_rec_with_match(tuple, rec, offsets, - &low_match, &low_bytes) < 0) { - goto exit_func; - } - - next_rec = page_rec_get_next_const(rec); - offsets = rec_get_offsets(next_rec, index, offsets, - dtuple_get_n_fields(tuple), &heap); - - if (page_cmp_dtuple_rec_with_match(tuple, next_rec, offsets, - &up_match, &up_bytes) >= 0) { - goto exit_func; - } - - page_cur_position(rec, block, cursor); - -#ifdef UNIV_SEARCH_DEBUG - page_cur_search_with_match(block, index, tuple, PAGE_CUR_DBG, - iup_matched_fields, - iup_matched_bytes, - ilow_matched_fields, - ilow_matched_bytes, - &cursor2); - ut_a(cursor2.rec == cursor->rec); - - if (!page_rec_is_supremum(next_rec)) { - - ut_a(*iup_matched_fields == up_match); - ut_a(*iup_matched_bytes == up_bytes); - } - - ut_a(*ilow_matched_fields == low_match); - ut_a(*ilow_matched_bytes == low_bytes); -#endif - if (!page_rec_is_supremum(next_rec)) { - - *iup_matched_fields = up_match; - *iup_matched_bytes = up_bytes; - } - - *ilow_matched_fields = low_match; - *ilow_matched_bytes = low_bytes; - -#ifdef UNIV_SEARCH_PERF_STAT - page_cur_short_succ++; -#endif - success = TRUE; -exit_func: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(success); -} - -#endif - -#ifdef PAGE_CUR_LE_OR_EXTENDS -/****************************************************************//** -Checks if the nth field in a record is a character type field which extends -the nth field in tuple, i.e., the field is longer or equal in length and has -common first characters. -@return TRUE if rec field extends tuple field */ -static -ibool -page_cur_rec_field_extends( -/*=======================*/ - const dtuple_t* tuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: record */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint n) /*!< in: compare nth field */ -{ - const dtype_t* type; - const dfield_t* dfield; - const byte* rec_f; - ulint rec_f_len; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - dfield = dtuple_get_nth_field(tuple, n); - - type = dfield_get_type(dfield); - - rec_f = rec_get_nth_field(rec, offsets, n, &rec_f_len); - - if (type->mtype == DATA_VARCHAR - || type->mtype == DATA_CHAR - || type->mtype == DATA_FIXBINARY - || type->mtype == DATA_BINARY - || type->mtype == DATA_BLOB - || type->mtype == DATA_VARMYSQL - || type->mtype == DATA_MYSQL) { - - if (dfield_get_len(dfield) != UNIV_SQL_NULL - && rec_f_len != UNIV_SQL_NULL - && rec_f_len >= dfield_get_len(dfield) - && !cmp_data_data_slow(type->mtype, type->prtype, - dfield_get_data(dfield), - dfield_get_len(dfield), - rec_f, dfield_get_len(dfield))) { - - return(TRUE); - } - } - - return(FALSE); -} -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - -/****************************************************************//** -Searches the right position for a page cursor. */ -UNIV_INTERN -void -page_cur_search_with_match( -/*=======================*/ - const buf_block_t* block, /*!< in: buffer block */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* tuple, /*!< in: data tuple */ - ulint mode, /*!< in: PAGE_CUR_L, - PAGE_CUR_LE, PAGE_CUR_G, or - PAGE_CUR_GE */ - ulint* iup_matched_fields, - /*!< in/out: already matched - fields in upper limit record */ - ulint* iup_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - ulint* ilow_matched_fields, - /*!< in/out: already matched - fields in lower limit record */ - ulint* ilow_matched_bytes, - /*!< in/out: already matched - bytes in a field not yet - completely matched */ - page_cur_t* cursor) /*!< out: page cursor */ -{ - ulint up; - ulint low; - ulint mid; - const page_t* page; - const page_dir_slot_t* slot; - const rec_t* up_rec; - const rec_t* low_rec; - const rec_t* mid_rec; - ulint up_matched_fields; - ulint up_matched_bytes; - ulint low_matched_fields; - ulint low_matched_bytes; - ulint cur_matched_fields; - ulint cur_matched_bytes; - int cmp; -#ifdef UNIV_SEARCH_DEBUG - int dbg_cmp; - ulint dbg_matched_fields; - ulint dbg_matched_bytes; -#endif -#ifdef UNIV_ZIP_DEBUG - const page_zip_des_t* page_zip = buf_block_get_page_zip(block); -#endif /* UNIV_ZIP_DEBUG */ - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(block && tuple && iup_matched_fields && iup_matched_bytes - && ilow_matched_fields && ilow_matched_bytes && cursor); - ut_ad(dtuple_validate(tuple)); -#ifdef UNIV_DEBUG -# ifdef PAGE_CUR_DBG - if (mode != PAGE_CUR_DBG) -# endif /* PAGE_CUR_DBG */ -# ifdef PAGE_CUR_LE_OR_EXTENDS - if (mode != PAGE_CUR_LE_OR_EXTENDS) -# endif /* PAGE_CUR_LE_OR_EXTENDS */ - ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE - || mode == PAGE_CUR_G || mode == PAGE_CUR_GE); -#endif /* UNIV_DEBUG */ - page = buf_block_get_frame(block); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - page_check_dir(page); - -#ifdef PAGE_CUR_ADAPT - if (page_is_leaf(page) - && (mode == PAGE_CUR_LE) - && (page_header_get_field(page, PAGE_N_DIRECTION) > 3) - && (page_header_get_ptr(page, PAGE_LAST_INSERT)) - && (page_header_get_field(page, PAGE_DIRECTION) == PAGE_RIGHT)) { - - if (page_cur_try_search_shortcut( - block, index, tuple, - iup_matched_fields, iup_matched_bytes, - ilow_matched_fields, ilow_matched_bytes, - cursor)) { - return; - } - } -# ifdef PAGE_CUR_DBG - if (mode == PAGE_CUR_DBG) { - mode = PAGE_CUR_LE; - } -# endif -#endif - - /* The following flag does not work for non-latin1 char sets because - cmp_full_field does not tell how many bytes matched */ -#ifdef PAGE_CUR_LE_OR_EXTENDS - ut_a(mode != PAGE_CUR_LE_OR_EXTENDS); -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - - /* If mode PAGE_CUR_G is specified, we are trying to position the - cursor to answer a query of the form "tuple < X", where tuple is - the input parameter, and X denotes an arbitrary physical record on - the page. We want to position the cursor on the first X which - satisfies the condition. */ - - up_matched_fields = *iup_matched_fields; - up_matched_bytes = *iup_matched_bytes; - low_matched_fields = *ilow_matched_fields; - low_matched_bytes = *ilow_matched_bytes; - - /* Perform binary search. First the search is done through the page - directory, after that as a linear search in the list of records - owned by the upper limit directory slot. */ - - low = 0; - up = page_dir_get_n_slots(page) - 1; - - /* Perform binary search until the lower and upper limit directory - slots come to the distance 1 of each other */ - - while (up - low > 1) { - mid = (low + up) / 2; - slot = page_dir_get_nth_slot(page, mid); - mid_rec = page_dir_slot_get_rec(slot); - - ut_pair_min(&cur_matched_fields, &cur_matched_bytes, - low_matched_fields, low_matched_bytes, - up_matched_fields, up_matched_bytes); - - offsets = rec_get_offsets(mid_rec, index, offsets, - dtuple_get_n_fields_cmp(tuple), - &heap); - - cmp = cmp_dtuple_rec_with_match(tuple, mid_rec, offsets, - &cur_matched_fields, - &cur_matched_bytes); - if (UNIV_LIKELY(cmp > 0)) { -low_slot_match: - low = mid; - low_matched_fields = cur_matched_fields; - low_matched_bytes = cur_matched_bytes; - - } else if (UNIV_EXPECT(cmp, -1)) { -#ifdef PAGE_CUR_LE_OR_EXTENDS - if (mode == PAGE_CUR_LE_OR_EXTENDS - && page_cur_rec_field_extends( - tuple, mid_rec, offsets, - cur_matched_fields)) { - - goto low_slot_match; - } -#endif /* PAGE_CUR_LE_OR_EXTENDS */ -up_slot_match: - up = mid; - up_matched_fields = cur_matched_fields; - up_matched_bytes = cur_matched_bytes; - - } else if (mode == PAGE_CUR_G || mode == PAGE_CUR_LE -#ifdef PAGE_CUR_LE_OR_EXTENDS - || mode == PAGE_CUR_LE_OR_EXTENDS -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - ) { - - goto low_slot_match; - } else { - - goto up_slot_match; - } - } - - slot = page_dir_get_nth_slot(page, low); - low_rec = page_dir_slot_get_rec(slot); - slot = page_dir_get_nth_slot(page, up); - up_rec = page_dir_slot_get_rec(slot); - - /* Perform linear search until the upper and lower records come to - distance 1 of each other. */ - - while (page_rec_get_next_const(low_rec) != up_rec) { - - mid_rec = page_rec_get_next_const(low_rec); - - ut_pair_min(&cur_matched_fields, &cur_matched_bytes, - low_matched_fields, low_matched_bytes, - up_matched_fields, up_matched_bytes); - - offsets = rec_get_offsets(mid_rec, index, offsets, - dtuple_get_n_fields_cmp(tuple), - &heap); - - cmp = cmp_dtuple_rec_with_match(tuple, mid_rec, offsets, - &cur_matched_fields, - &cur_matched_bytes); - if (UNIV_LIKELY(cmp > 0)) { -low_rec_match: - low_rec = mid_rec; - low_matched_fields = cur_matched_fields; - low_matched_bytes = cur_matched_bytes; - - } else if (UNIV_EXPECT(cmp, -1)) { -#ifdef PAGE_CUR_LE_OR_EXTENDS - if (mode == PAGE_CUR_LE_OR_EXTENDS - && page_cur_rec_field_extends( - tuple, mid_rec, offsets, - cur_matched_fields)) { - - goto low_rec_match; - } -#endif /* PAGE_CUR_LE_OR_EXTENDS */ -up_rec_match: - up_rec = mid_rec; - up_matched_fields = cur_matched_fields; - up_matched_bytes = cur_matched_bytes; - } else if (mode == PAGE_CUR_G || mode == PAGE_CUR_LE -#ifdef PAGE_CUR_LE_OR_EXTENDS - || mode == PAGE_CUR_LE_OR_EXTENDS -#endif /* PAGE_CUR_LE_OR_EXTENDS */ - ) { - - goto low_rec_match; - } else { - - goto up_rec_match; - } - } - -#ifdef UNIV_SEARCH_DEBUG - - /* Check that the lower and upper limit records have the - right alphabetical order compared to tuple. */ - dbg_matched_fields = 0; - dbg_matched_bytes = 0; - - offsets = rec_get_offsets(low_rec, index, offsets, - ULINT_UNDEFINED, &heap); - dbg_cmp = page_cmp_dtuple_rec_with_match(tuple, low_rec, offsets, - &dbg_matched_fields, - &dbg_matched_bytes); - if (mode == PAGE_CUR_G) { - ut_a(dbg_cmp >= 0); - } else if (mode == PAGE_CUR_GE) { - ut_a(dbg_cmp == 1); - } else if (mode == PAGE_CUR_L) { - ut_a(dbg_cmp == 1); - } else if (mode == PAGE_CUR_LE) { - ut_a(dbg_cmp >= 0); - } - - if (!page_rec_is_infimum(low_rec)) { - - ut_a(low_matched_fields == dbg_matched_fields); - ut_a(low_matched_bytes == dbg_matched_bytes); - } - - dbg_matched_fields = 0; - dbg_matched_bytes = 0; - - offsets = rec_get_offsets(up_rec, index, offsets, - ULINT_UNDEFINED, &heap); - dbg_cmp = page_cmp_dtuple_rec_with_match(tuple, up_rec, offsets, - &dbg_matched_fields, - &dbg_matched_bytes); - if (mode == PAGE_CUR_G) { - ut_a(dbg_cmp == -1); - } else if (mode == PAGE_CUR_GE) { - ut_a(dbg_cmp <= 0); - } else if (mode == PAGE_CUR_L) { - ut_a(dbg_cmp <= 0); - } else if (mode == PAGE_CUR_LE) { - ut_a(dbg_cmp == -1); - } - - if (!page_rec_is_supremum(up_rec)) { - - ut_a(up_matched_fields == dbg_matched_fields); - ut_a(up_matched_bytes == dbg_matched_bytes); - } -#endif - if (mode <= PAGE_CUR_GE) { - page_cur_position(up_rec, block, cursor); - } else { - page_cur_position(low_rec, block, cursor); - } - - *iup_matched_fields = up_matched_fields; - *iup_matched_bytes = up_matched_bytes; - *ilow_matched_fields = low_matched_fields; - *ilow_matched_bytes = low_matched_bytes; - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/***********************************************************//** -Positions a page cursor on a randomly chosen user record on a page. If there -are no user records, sets the cursor on the infimum record. */ -UNIV_INTERN -void -page_cur_open_on_rnd_user_rec( -/*==========================*/ - buf_block_t* block, /*!< in: page */ - page_cur_t* cursor) /*!< out: page cursor */ -{ - ulint rnd; - ulint n_recs = page_get_n_recs(buf_block_get_frame(block)); - - page_cur_set_before_first(block, cursor); - - if (UNIV_UNLIKELY(n_recs == 0)) { - - return; - } - - rnd = (ulint) (page_cur_lcg_prng() % n_recs); - - do { - page_cur_move_to_next(cursor); - } while (rnd--); -} - -/***********************************************************//** -Writes the log record of a record insert on a page. */ -static -void -page_cur_insert_rec_write_log( -/*==========================*/ - rec_t* insert_rec, /*!< in: inserted physical record */ - ulint rec_size, /*!< in: insert_rec size */ - rec_t* cursor_rec, /*!< in: record the - cursor is pointing to */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - ulint cur_rec_size; - ulint extra_size; - ulint cur_extra_size; - const byte* ins_ptr; - byte* log_ptr; - const byte* log_end; - ulint i; - - ut_a(rec_size < UNIV_PAGE_SIZE); - ut_ad(page_align(insert_rec) == page_align(cursor_rec)); - ut_ad(!page_rec_is_comp(insert_rec) - == !dict_table_is_comp(index->table)); - - { - mem_heap_t* heap = NULL; - ulint cur_offs_[REC_OFFS_NORMAL_SIZE]; - ulint ins_offs_[REC_OFFS_NORMAL_SIZE]; - - ulint* cur_offs; - ulint* ins_offs; - - rec_offs_init(cur_offs_); - rec_offs_init(ins_offs_); - - cur_offs = rec_get_offsets(cursor_rec, index, cur_offs_, - ULINT_UNDEFINED, &heap); - ins_offs = rec_get_offsets(insert_rec, index, ins_offs_, - ULINT_UNDEFINED, &heap); - - extra_size = rec_offs_extra_size(ins_offs); - cur_extra_size = rec_offs_extra_size(cur_offs); - ut_ad(rec_size == rec_offs_size(ins_offs)); - cur_rec_size = rec_offs_size(cur_offs); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - ins_ptr = insert_rec - extra_size; - - i = 0; - - if (cur_extra_size == extra_size) { - ulint min_rec_size = ut_min(cur_rec_size, rec_size); - - const byte* cur_ptr = cursor_rec - cur_extra_size; - - /* Find out the first byte in insert_rec which differs from - cursor_rec; skip the bytes in the record info */ - - do { - if (*ins_ptr == *cur_ptr) { - i++; - ins_ptr++; - cur_ptr++; - } else if ((i < extra_size) - && (i >= extra_size - - page_rec_get_base_extra_size - (insert_rec))) { - i = extra_size; - ins_ptr = insert_rec; - cur_ptr = cursor_rec; - } else { - break; - } - } while (i < min_rec_size); - } - - if (mtr_get_log_mode(mtr) != MTR_LOG_SHORT_INSERTS) { - - if (page_rec_is_comp(insert_rec)) { - log_ptr = mlog_open_and_write_index( - mtr, insert_rec, index, MLOG_COMP_REC_INSERT, - 2 + 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN); - if (UNIV_UNLIKELY(!log_ptr)) { - /* Logging in mtr is switched off - during crash recovery: in that case - mlog_open returns NULL */ - return; - } - } else { - log_ptr = mlog_open(mtr, 11 - + 2 + 5 + 1 + 5 + 5 - + MLOG_BUF_MARGIN); - if (UNIV_UNLIKELY(!log_ptr)) { - /* Logging in mtr is switched off - during crash recovery: in that case - mlog_open returns NULL */ - return; - } - - log_ptr = mlog_write_initial_log_record_fast( - insert_rec, MLOG_REC_INSERT, log_ptr, mtr); - } - - log_end = &log_ptr[2 + 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN]; - /* Write the cursor rec offset as a 2-byte ulint */ - mach_write_to_2(log_ptr, page_offset(cursor_rec)); - log_ptr += 2; - } else { - log_ptr = mlog_open(mtr, 5 + 1 + 5 + 5 + MLOG_BUF_MARGIN); - if (!log_ptr) { - /* Logging in mtr is switched off during crash - recovery: in that case mlog_open returns NULL */ - return; - } - log_end = &log_ptr[5 + 1 + 5 + 5 + MLOG_BUF_MARGIN]; - } - - if (page_rec_is_comp(insert_rec)) { - if (UNIV_UNLIKELY - (rec_get_info_and_status_bits(insert_rec, TRUE) - != rec_get_info_and_status_bits(cursor_rec, TRUE))) { - - goto need_extra_info; - } - } else { - if (UNIV_UNLIKELY - (rec_get_info_and_status_bits(insert_rec, FALSE) - != rec_get_info_and_status_bits(cursor_rec, FALSE))) { - - goto need_extra_info; - } - } - - if (extra_size != cur_extra_size || rec_size != cur_rec_size) { -need_extra_info: - /* Write the record end segment length - and the extra info storage flag */ - log_ptr += mach_write_compressed(log_ptr, - 2 * (rec_size - i) + 1); - - /* Write the info bits */ - mach_write_to_1(log_ptr, - rec_get_info_and_status_bits( - insert_rec, - page_rec_is_comp(insert_rec))); - log_ptr++; - - /* Write the record origin offset */ - log_ptr += mach_write_compressed(log_ptr, extra_size); - - /* Write the mismatch index */ - log_ptr += mach_write_compressed(log_ptr, i); - - ut_a(i < UNIV_PAGE_SIZE); - ut_a(extra_size < UNIV_PAGE_SIZE); - } else { - /* Write the record end segment length - and the extra info storage flag */ - log_ptr += mach_write_compressed(log_ptr, 2 * (rec_size - i)); - } - - /* Write to the log the inserted index record end segment which - differs from the cursor record */ - - rec_size -= i; - - if (log_ptr + rec_size <= log_end) { - memcpy(log_ptr, ins_ptr, rec_size); - mlog_close(mtr, log_ptr + rec_size); - } else { - mlog_close(mtr, log_ptr); - ut_a(rec_size < UNIV_PAGE_SIZE); - mlog_catenate_string(mtr, ins_ptr, rec_size); - } -} -#else /* !UNIV_HOTBACKUP */ -# define page_cur_insert_rec_write_log(ins_rec,size,cur,index,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a log record of a record insert on a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_cur_parse_insert_rec( -/*======================*/ - ibool is_short,/*!< in: TRUE if short inserts */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ulint origin_offset; - ulint end_seg_len; - ulint mismatch_index; - page_t* page; - rec_t* cursor_rec; - byte buf1[1024]; - byte* buf; - byte* ptr2 = ptr; - ulint info_and_status_bits = 0; /* remove warning */ - page_cur_t cursor; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - page = block ? buf_block_get_frame(block) : NULL; - - if (is_short) { - cursor_rec = page_rec_get_prev(page_get_supremum_rec(page)); - } else { - ulint offset; - - /* Read the cursor rec offset as a 2-byte ulint */ - - if (UNIV_UNLIKELY(end_ptr < ptr + 2)) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - ptr += 2; - - cursor_rec = page + offset; - - if (UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE)) { - - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - } - - ptr = mach_parse_compressed(ptr, end_ptr, &end_seg_len); - - if (ptr == NULL) { - - return(NULL); - } - - if (UNIV_UNLIKELY(end_seg_len >= UNIV_PAGE_SIZE << 1)) { - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (end_seg_len & 0x1UL) { - /* Read the info bits */ - - if (end_ptr < ptr + 1) { - - return(NULL); - } - - info_and_status_bits = mach_read_from_1(ptr); - ptr++; - - ptr = mach_parse_compressed(ptr, end_ptr, &origin_offset); - - if (ptr == NULL) { - - return(NULL); - } - - ut_a(origin_offset < UNIV_PAGE_SIZE); - - ptr = mach_parse_compressed(ptr, end_ptr, &mismatch_index); - - if (ptr == NULL) { - - return(NULL); - } - - ut_a(mismatch_index < UNIV_PAGE_SIZE); - } - - if (UNIV_UNLIKELY(end_ptr < ptr + (end_seg_len >> 1))) { - - return(NULL); - } - - if (!block) { - - return(ptr + (end_seg_len >> 1)); - } - - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - ut_ad(!buf_block_get_page_zip(block) || page_is_comp(page)); - - /* Read from the log the inserted index record end segment which - differs from the cursor record */ - - offsets = rec_get_offsets(cursor_rec, index, offsets, - ULINT_UNDEFINED, &heap); - - if (!(end_seg_len & 0x1UL)) { - info_and_status_bits = rec_get_info_and_status_bits( - cursor_rec, page_is_comp(page)); - origin_offset = rec_offs_extra_size(offsets); - mismatch_index = rec_offs_size(offsets) - (end_seg_len >> 1); - } - - end_seg_len >>= 1; - - if (mismatch_index + end_seg_len < sizeof buf1) { - buf = buf1; - } else { - buf = mem_alloc(mismatch_index + end_seg_len); - } - - /* Build the inserted record to buf */ - - if (UNIV_UNLIKELY(mismatch_index >= UNIV_PAGE_SIZE)) { - fprintf(stderr, - "Is short %lu, info_and_status_bits %lu, offset %lu, " - "o_offset %lu\n" - "mismatch index %lu, end_seg_len %lu\n" - "parsed len %lu\n", - (ulong) is_short, (ulong) info_and_status_bits, - (ulong) page_offset(cursor_rec), - (ulong) origin_offset, - (ulong) mismatch_index, (ulong) end_seg_len, - (ulong) (ptr - ptr2)); - - fputs("Dump of 300 bytes of log:\n", stderr); - ut_print_buf(stderr, ptr2, 300); - putc('\n', stderr); - - buf_page_print(page, 0); - - ut_error; - } - - ut_memcpy(buf, rec_get_start(cursor_rec, offsets), mismatch_index); - ut_memcpy(buf + mismatch_index, ptr, end_seg_len); - - if (page_is_comp(page)) { - rec_set_info_and_status_bits(buf + origin_offset, - info_and_status_bits); - } else { - rec_set_info_bits_old(buf + origin_offset, - info_and_status_bits); - } - - page_cur_position(cursor_rec, block, &cursor); - - offsets = rec_get_offsets(buf + origin_offset, index, offsets, - ULINT_UNDEFINED, &heap); - if (UNIV_UNLIKELY(!page_cur_rec_insert(&cursor, - buf + origin_offset, - index, offsets, mtr))) { - /* The redo log record should only have been written - after the write was successful. */ - ut_error; - } - - if (buf != buf1) { - - mem_free(buf); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - return(ptr + end_seg_len); -} - -/***********************************************************//** -Inserts a record next to page cursor on an uncompressed page. -Returns pointer to inserted record if succeed, i.e., enough -space available, NULL otherwise. The cursor stays at the same position. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INTERN -rec_t* -page_cur_insert_rec_low( -/*====================*/ - rec_t* current_rec,/*!< in: pointer to current record after - which the new record is inserted */ - dict_index_t* index, /*!< in: record descriptor */ - const rec_t* rec, /*!< in: pointer to a physical record */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ -{ - byte* insert_buf; - ulint rec_size; - page_t* page; /*!< the relevant page */ - rec_t* last_insert; /*!< cursor position at previous - insert */ - rec_t* free_rec; /*!< a free record that was reused, - or NULL */ - rec_t* insert_rec; /*!< inserted record */ - ulint heap_no; /*!< heap number of the inserted - record */ - - ut_ad(rec_offs_validate(rec, index, offsets)); - - page = page_align(current_rec); - ut_ad(dict_table_is_comp(index->table) - == (ibool) !!page_is_comp(page)); - - ut_ad(!page_rec_is_supremum(current_rec)); - - /* 1. Get the size of the physical record in the page */ - rec_size = rec_offs_size(offsets); - -#ifdef UNIV_DEBUG_VALGRIND - { - const void* rec_start - = rec - rec_offs_extra_size(offsets); - ulint extra_size - = rec_offs_extra_size(offsets) - - (rec_offs_comp(offsets) - ? REC_N_NEW_EXTRA_BYTES - : REC_N_OLD_EXTRA_BYTES); - - /* All data bytes of the record must be valid. */ - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - /* The variable-length header must be valid. */ - UNIV_MEM_ASSERT_RW(rec_start, extra_size); - } -#endif /* UNIV_DEBUG_VALGRIND */ - - /* 2. Try to find suitable space from page memory management */ - - free_rec = page_header_get_ptr(page, PAGE_FREE); - if (UNIV_LIKELY_NULL(free_rec)) { - /* Try to allocate from the head of the free list. */ - ulint foffsets_[REC_OFFS_NORMAL_SIZE]; - ulint* foffsets = foffsets_; - mem_heap_t* heap = NULL; - - rec_offs_init(foffsets_); - - foffsets = rec_get_offsets(free_rec, index, foffsets, - ULINT_UNDEFINED, &heap); - if (rec_offs_size(foffsets) < rec_size) { - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - goto use_heap; - } - - insert_buf = free_rec - rec_offs_extra_size(foffsets); - - if (page_is_comp(page)) { - heap_no = rec_get_heap_no_new(free_rec); - page_mem_alloc_free(page, NULL, - rec_get_next_ptr(free_rec, TRUE), - rec_size); - } else { - heap_no = rec_get_heap_no_old(free_rec); - page_mem_alloc_free(page, NULL, - rec_get_next_ptr(free_rec, FALSE), - rec_size); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } else { -use_heap: - free_rec = NULL; - insert_buf = page_mem_alloc_heap(page, NULL, - rec_size, &heap_no); - - if (UNIV_UNLIKELY(insert_buf == NULL)) { - return(NULL); - } - } - - /* 3. Create the record */ - insert_rec = rec_copy(insert_buf, rec, offsets); - rec_offs_make_valid(insert_rec, index, offsets); - - /* 4. Insert the record in the linked list of records */ - ut_ad(current_rec != insert_rec); - - { - /* next record after current before the insertion */ - rec_t* next_rec = page_rec_get_next(current_rec); -#ifdef UNIV_DEBUG - if (page_is_comp(page)) { - ut_ad(rec_get_status(current_rec) - <= REC_STATUS_INFIMUM); - ut_ad(rec_get_status(insert_rec) < REC_STATUS_INFIMUM); - ut_ad(rec_get_status(next_rec) != REC_STATUS_INFIMUM); - } -#endif - page_rec_set_next(insert_rec, next_rec); - page_rec_set_next(current_rec, insert_rec); - } - - page_header_set_field(page, NULL, PAGE_N_RECS, - 1 + page_get_n_recs(page)); - - /* 5. Set the n_owned field in the inserted record to zero, - and set the heap_no field */ - if (page_is_comp(page)) { - rec_set_n_owned_new(insert_rec, NULL, 0); - rec_set_heap_no_new(insert_rec, heap_no); - } else { - rec_set_n_owned_old(insert_rec, 0); - rec_set_heap_no_old(insert_rec, heap_no); - } - - UNIV_MEM_ASSERT_RW(rec_get_start(insert_rec, offsets), - rec_offs_size(offsets)); - /* 6. Update the last insertion info in page header */ - - last_insert = page_header_get_ptr(page, PAGE_LAST_INSERT); - ut_ad(!last_insert || !page_is_comp(page) - || rec_get_node_ptr_flag(last_insert) - == rec_get_node_ptr_flag(insert_rec)); - - if (UNIV_UNLIKELY(last_insert == NULL)) { - page_header_set_field(page, NULL, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); - - } else if ((last_insert == current_rec) - && (page_header_get_field(page, PAGE_DIRECTION) - != PAGE_LEFT)) { - - page_header_set_field(page, NULL, PAGE_DIRECTION, - PAGE_RIGHT); - page_header_set_field(page, NULL, PAGE_N_DIRECTION, - page_header_get_field( - page, PAGE_N_DIRECTION) + 1); - - } else if ((page_rec_get_next(insert_rec) == last_insert) - && (page_header_get_field(page, PAGE_DIRECTION) - != PAGE_RIGHT)) { - - page_header_set_field(page, NULL, PAGE_DIRECTION, - PAGE_LEFT); - page_header_set_field(page, NULL, PAGE_N_DIRECTION, - page_header_get_field( - page, PAGE_N_DIRECTION) + 1); - } else { - page_header_set_field(page, NULL, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); - } - - page_header_set_ptr(page, NULL, PAGE_LAST_INSERT, insert_rec); - - /* 7. It remains to update the owner record. */ - { - rec_t* owner_rec = page_rec_find_owner_rec(insert_rec); - ulint n_owned; - if (page_is_comp(page)) { - n_owned = rec_get_n_owned_new(owner_rec); - rec_set_n_owned_new(owner_rec, NULL, n_owned + 1); - } else { - n_owned = rec_get_n_owned_old(owner_rec); - rec_set_n_owned_old(owner_rec, n_owned + 1); - } - - /* 8. Now we have incremented the n_owned field of the owner - record. If the number exceeds PAGE_DIR_SLOT_MAX_N_OWNED, - we have to split the corresponding directory slot in two. */ - - if (UNIV_UNLIKELY(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED)) { - page_dir_split_slot( - page, NULL, - page_dir_find_owner_slot(owner_rec)); - } - } - - /* 9. Write log record of the insert */ - if (UNIV_LIKELY(mtr != NULL)) { - page_cur_insert_rec_write_log(insert_rec, rec_size, - current_rec, index, mtr); - } - - return(insert_rec); -} - -/***********************************************************//** -Compresses or reorganizes a page after an optimistic insert. -@return rec if succeed, NULL otherwise */ -static -rec_t* -page_cur_insert_rec_zip_reorg( -/*==========================*/ - rec_t** current_rec,/*!< in/out: pointer to current record after - which the new record is inserted */ - buf_block_t* block, /*!< in: buffer block */ - dict_index_t* index, /*!< in: record descriptor */ - rec_t* rec, /*!< in: inserted record */ - page_t* page, /*!< in: uncompressed page */ - page_zip_des_t* page_zip,/*!< in: compressed page */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ -{ - ulint pos; - - /* Recompress or reorganize and recompress the page. */ - if (UNIV_LIKELY(page_zip_compress(page_zip, page, index, mtr))) { - return(rec); - } - - /* Before trying to reorganize the page, - store the number of preceding records on the page. */ - pos = page_rec_get_n_recs_before(rec); - - if (page_zip_reorganize(block, index, mtr)) { - /* The page was reorganized: Find rec by seeking to pos, - and update *current_rec. */ - rec = page + PAGE_NEW_INFIMUM; - - while (--pos) { - rec = page + rec_get_next_offs(rec, TRUE); - } - - *current_rec = rec; - rec = page + rec_get_next_offs(rec, TRUE); - - return(rec); - } - - /* Out of space: restore the page */ - if (!page_zip_decompress(page_zip, page, FALSE)) { - ut_error; /* Memory corrupted? */ - } - ut_ad(page_validate(page, index)); - return(NULL); -} - -/***********************************************************//** -Inserts a record next to page cursor on a compressed and uncompressed -page. Returns pointer to inserted record if succeed, i.e., -enough space available, NULL otherwise. -The cursor stays at the same position. -@return pointer to record if succeed, NULL otherwise */ -UNIV_INTERN -rec_t* -page_cur_insert_rec_zip( -/*====================*/ - rec_t** current_rec,/*!< in/out: pointer to current record after - which the new record is inserted */ - buf_block_t* block, /*!< in: buffer block of *current_rec */ - dict_index_t* index, /*!< in: record descriptor */ - const rec_t* rec, /*!< in: pointer to a physical record */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec, index) */ - mtr_t* mtr) /*!< in: mini-transaction handle, or NULL */ -{ - byte* insert_buf; - ulint rec_size; - page_t* page; /*!< the relevant page */ - rec_t* last_insert; /*!< cursor position at previous - insert */ - rec_t* free_rec; /*!< a free record that was reused, - or NULL */ - rec_t* insert_rec; /*!< inserted record */ - ulint heap_no; /*!< heap number of the inserted - record */ - page_zip_des_t* page_zip; - - page_zip = buf_block_get_page_zip(block); - ut_ad(page_zip); - - ut_ad(rec_offs_validate(rec, index, offsets)); - - page = page_align(*current_rec); - ut_ad(dict_table_is_comp(index->table)); - ut_ad(page_is_comp(page)); - - ut_ad(!page_rec_is_supremum(*current_rec)); -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - /* 1. Get the size of the physical record in the page */ - rec_size = rec_offs_size(offsets); - -#ifdef UNIV_DEBUG_VALGRIND - { - const void* rec_start - = rec - rec_offs_extra_size(offsets); - ulint extra_size - = rec_offs_extra_size(offsets) - - (rec_offs_comp(offsets) - ? REC_N_NEW_EXTRA_BYTES - : REC_N_OLD_EXTRA_BYTES); - - /* All data bytes of the record must be valid. */ - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - /* The variable-length header must be valid. */ - UNIV_MEM_ASSERT_RW(rec_start, extra_size); - } -#endif /* UNIV_DEBUG_VALGRIND */ - - /* 2. Try to find suitable space from page memory management */ - if (!page_zip_available(page_zip, dict_index_is_clust(index), - rec_size, 1)) { - - /* Try compressing the whole page afterwards. */ - insert_rec = page_cur_insert_rec_low(*current_rec, - index, rec, offsets, - NULL); - - if (UNIV_LIKELY(insert_rec != NULL)) { - insert_rec = page_cur_insert_rec_zip_reorg( - current_rec, block, index, insert_rec, - page, page_zip, mtr); - } - - return(insert_rec); - } - - free_rec = page_header_get_ptr(page, PAGE_FREE); - if (UNIV_LIKELY_NULL(free_rec)) { - /* Try to allocate from the head of the free list. */ - lint extra_size_diff; - ulint foffsets_[REC_OFFS_NORMAL_SIZE]; - ulint* foffsets = foffsets_; - mem_heap_t* heap = NULL; - - rec_offs_init(foffsets_); - - foffsets = rec_get_offsets(free_rec, index, foffsets, - ULINT_UNDEFINED, &heap); - if (rec_offs_size(foffsets) < rec_size) { -too_small: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - goto use_heap; - } - - insert_buf = free_rec - rec_offs_extra_size(foffsets); - - /* On compressed pages, do not relocate records from - the free list. If extra_size would grow, use the heap. */ - extra_size_diff - = rec_offs_extra_size(offsets) - - rec_offs_extra_size(foffsets); - - if (UNIV_UNLIKELY(extra_size_diff < 0)) { - /* Add an offset to the extra_size. */ - if (rec_offs_size(foffsets) - < rec_size - extra_size_diff) { - - goto too_small; - } - - insert_buf -= extra_size_diff; - } else if (UNIV_UNLIKELY(extra_size_diff)) { - /* Do not allow extra_size to grow */ - - goto too_small; - } - - heap_no = rec_get_heap_no_new(free_rec); - page_mem_alloc_free(page, page_zip, - rec_get_next_ptr(free_rec, TRUE), - rec_size); - - if (!page_is_leaf(page)) { - /* Zero out the node pointer of free_rec, - in case it will not be overwritten by - insert_rec. */ - - ut_ad(rec_size > REC_NODE_PTR_SIZE); - - if (rec_offs_extra_size(foffsets) - + rec_offs_data_size(foffsets) > rec_size) { - - memset(rec_get_end(free_rec, foffsets) - - REC_NODE_PTR_SIZE, 0, - REC_NODE_PTR_SIZE); - } - } else if (dict_index_is_clust(index)) { - /* Zero out the DB_TRX_ID and DB_ROLL_PTR - columns of free_rec, in case it will not be - overwritten by insert_rec. */ - - ulint trx_id_col; - ulint trx_id_offs; - ulint len; - - trx_id_col = dict_index_get_sys_col_pos(index, - DATA_TRX_ID); - ut_ad(trx_id_col > 0); - ut_ad(trx_id_col != ULINT_UNDEFINED); - - trx_id_offs = rec_get_nth_field_offs(foffsets, - trx_id_col, &len); - ut_ad(len == DATA_TRX_ID_LEN); - - if (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN + trx_id_offs - + rec_offs_extra_size(foffsets) > rec_size) { - /* We will have to zero out the - DB_TRX_ID and DB_ROLL_PTR, because - they will not be fully overwritten by - insert_rec. */ - - memset(free_rec + trx_id_offs, 0, - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - } - - ut_ad(free_rec + trx_id_offs + DATA_TRX_ID_LEN - == rec_get_nth_field(free_rec, foffsets, - trx_id_col + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } else { -use_heap: - free_rec = NULL; - insert_buf = page_mem_alloc_heap(page, page_zip, - rec_size, &heap_no); - - if (UNIV_UNLIKELY(insert_buf == NULL)) { - return(NULL); - } - - page_zip_dir_add_slot(page_zip, dict_index_is_clust(index)); - } - - /* 3. Create the record */ - insert_rec = rec_copy(insert_buf, rec, offsets); - rec_offs_make_valid(insert_rec, index, offsets); - - /* 4. Insert the record in the linked list of records */ - ut_ad(*current_rec != insert_rec); - - { - /* next record after current before the insertion */ - rec_t* next_rec = page_rec_get_next(*current_rec); - ut_ad(rec_get_status(*current_rec) - <= REC_STATUS_INFIMUM); - ut_ad(rec_get_status(insert_rec) < REC_STATUS_INFIMUM); - ut_ad(rec_get_status(next_rec) != REC_STATUS_INFIMUM); - - page_rec_set_next(insert_rec, next_rec); - page_rec_set_next(*current_rec, insert_rec); - } - - page_header_set_field(page, page_zip, PAGE_N_RECS, - 1 + page_get_n_recs(page)); - - /* 5. Set the n_owned field in the inserted record to zero, - and set the heap_no field */ - rec_set_n_owned_new(insert_rec, NULL, 0); - rec_set_heap_no_new(insert_rec, heap_no); - - UNIV_MEM_ASSERT_RW(rec_get_start(insert_rec, offsets), - rec_offs_size(offsets)); - - page_zip_dir_insert(page_zip, *current_rec, free_rec, insert_rec); - - /* 6. Update the last insertion info in page header */ - - last_insert = page_header_get_ptr(page, PAGE_LAST_INSERT); - ut_ad(!last_insert - || rec_get_node_ptr_flag(last_insert) - == rec_get_node_ptr_flag(insert_rec)); - - if (UNIV_UNLIKELY(last_insert == NULL)) { - page_header_set_field(page, page_zip, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); - - } else if ((last_insert == *current_rec) - && (page_header_get_field(page, PAGE_DIRECTION) - != PAGE_LEFT)) { - - page_header_set_field(page, page_zip, PAGE_DIRECTION, - PAGE_RIGHT); - page_header_set_field(page, page_zip, PAGE_N_DIRECTION, - page_header_get_field( - page, PAGE_N_DIRECTION) + 1); - - } else if ((page_rec_get_next(insert_rec) == last_insert) - && (page_header_get_field(page, PAGE_DIRECTION) - != PAGE_RIGHT)) { - - page_header_set_field(page, page_zip, PAGE_DIRECTION, - PAGE_LEFT); - page_header_set_field(page, page_zip, PAGE_N_DIRECTION, - page_header_get_field( - page, PAGE_N_DIRECTION) + 1); - } else { - page_header_set_field(page, page_zip, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); - } - - page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, insert_rec); - - /* 7. It remains to update the owner record. */ - { - rec_t* owner_rec = page_rec_find_owner_rec(insert_rec); - ulint n_owned; - - n_owned = rec_get_n_owned_new(owner_rec); - rec_set_n_owned_new(owner_rec, page_zip, n_owned + 1); - - /* 8. Now we have incremented the n_owned field of the owner - record. If the number exceeds PAGE_DIR_SLOT_MAX_N_OWNED, - we have to split the corresponding directory slot in two. */ - - if (UNIV_UNLIKELY(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED)) { - page_dir_split_slot( - page, page_zip, - page_dir_find_owner_slot(owner_rec)); - } - } - - page_zip_write_rec(page_zip, insert_rec, index, offsets, 1); - - /* 9. Write log record of the insert */ - if (UNIV_LIKELY(mtr != NULL)) { - page_cur_insert_rec_write_log(insert_rec, rec_size, - *current_rec, index, mtr); - } - - return(insert_rec); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Writes a log record of copying a record list end to a new created page. -@return 4-byte field where to write the log data length, or NULL if -logging is disabled */ -UNIV_INLINE -byte* -page_copy_rec_list_to_created_page_write_log( -/*=========================================*/ - page_t* page, /*!< in: index page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - - log_ptr = mlog_open_and_write_index(mtr, page, index, - page_is_comp(page) - ? MLOG_COMP_LIST_END_COPY_CREATED - : MLOG_LIST_END_COPY_CREATED, 4); - if (UNIV_LIKELY(log_ptr != NULL)) { - mlog_close(mtr, log_ptr + 4); - } - - return(log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************//** -Parses a log record of copying a record list end to a new created page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_copy_rec_list_to_created_page( -/*=====================================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - byte* rec_end; - ulint log_data_len; - page_t* page; - page_zip_des_t* page_zip; - - if (ptr + 4 > end_ptr) { - - return(NULL); - } - - log_data_len = mach_read_from_4(ptr); - ptr += 4; - - rec_end = ptr + log_data_len; - - if (rec_end > end_ptr) { - - return(NULL); - } - - if (!block) { - - return(rec_end); - } - - while (ptr < rec_end) { - ptr = page_cur_parse_insert_rec(TRUE, ptr, end_ptr, - block, index, mtr); - } - - ut_a(ptr == rec_end); - - page = buf_block_get_frame(block); - page_zip = buf_block_get_page_zip(block); - - page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); - page_header_set_field(page, page_zip, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(page, page_zip, PAGE_N_DIRECTION, 0); - - return(rec_end); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Copies records from page to a newly created page, from a given record onward, -including that record. Infimum and supremum records are not copied. */ -UNIV_INTERN -void -page_copy_rec_list_end_to_created_page( -/*===================================*/ - page_t* new_page, /*!< in/out: index page to copy to */ - rec_t* rec, /*!< in: first record to copy */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_dir_slot_t* slot = 0; /* remove warning */ - byte* heap_top; - rec_t* insert_rec = 0; /* remove warning */ - rec_t* prev_rec; - ulint count; - ulint n_recs; - ulint slot_index; - ulint rec_size; - ulint log_mode; - byte* log_ptr; - ulint log_data_len; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(page_dir_get_n_heap(new_page) == PAGE_HEAP_NO_USER_LOW); - ut_ad(page_align(rec) != new_page); - ut_ad(page_rec_is_comp(rec) == page_is_comp(new_page)); - - if (page_rec_is_infimum(rec)) { - - rec = page_rec_get_next(rec); - } - - if (page_rec_is_supremum(rec)) { - - return; - } - -#ifdef UNIV_DEBUG - /* To pass the debug tests we have to set these dummy values - in the debug version */ - page_dir_set_n_slots(new_page, NULL, UNIV_PAGE_SIZE / 2); - page_header_set_ptr(new_page, NULL, PAGE_HEAP_TOP, - new_page + UNIV_PAGE_SIZE - 1); -#endif - - log_ptr = page_copy_rec_list_to_created_page_write_log(new_page, - index, mtr); - - log_data_len = dyn_array_get_data_size(&(mtr->log)); - - /* Individual inserts are logged in a shorter form */ - - log_mode = mtr_set_log_mode(mtr, MTR_LOG_SHORT_INSERTS); - - prev_rec = page_get_infimum_rec(new_page); - if (page_is_comp(new_page)) { - heap_top = new_page + PAGE_NEW_SUPREMUM_END; - } else { - heap_top = new_page + PAGE_OLD_SUPREMUM_END; - } - count = 0; - slot_index = 0; - n_recs = 0; - - do { - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - insert_rec = rec_copy(heap_top, rec, offsets); - - if (page_is_comp(new_page)) { - rec_set_next_offs_new(prev_rec, - page_offset(insert_rec)); - - rec_set_n_owned_new(insert_rec, NULL, 0); - rec_set_heap_no_new(insert_rec, - PAGE_HEAP_NO_USER_LOW + n_recs); - } else { - rec_set_next_offs_old(prev_rec, - page_offset(insert_rec)); - - rec_set_n_owned_old(insert_rec, 0); - rec_set_heap_no_old(insert_rec, - PAGE_HEAP_NO_USER_LOW + n_recs); - } - - count++; - n_recs++; - - if (UNIV_UNLIKELY - (count == (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2)) { - - slot_index++; - - slot = page_dir_get_nth_slot(new_page, slot_index); - - page_dir_slot_set_rec(slot, insert_rec); - page_dir_slot_set_n_owned(slot, NULL, count); - - count = 0; - } - - rec_size = rec_offs_size(offsets); - - ut_ad(heap_top < new_page + UNIV_PAGE_SIZE); - - heap_top += rec_size; - - page_cur_insert_rec_write_log(insert_rec, rec_size, prev_rec, - index, mtr); - prev_rec = insert_rec; - rec = page_rec_get_next(rec); - } while (!page_rec_is_supremum(rec)); - - if ((slot_index > 0) && (count + 1 - + (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2 - <= PAGE_DIR_SLOT_MAX_N_OWNED)) { - /* We can merge the two last dir slots. This operation is - here to make this function imitate exactly the equivalent - task made using page_cur_insert_rec, which we use in database - recovery to reproduce the task performed by this function. - To be able to check the correctness of recovery, it is good - that it imitates exactly. */ - - count += (PAGE_DIR_SLOT_MAX_N_OWNED + 1) / 2; - - page_dir_slot_set_n_owned(slot, NULL, 0); - - slot_index--; - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - log_data_len = dyn_array_get_data_size(&(mtr->log)) - log_data_len; - - ut_a(log_data_len < 100 * UNIV_PAGE_SIZE); - - if (UNIV_LIKELY(log_ptr != NULL)) { - mach_write_to_4(log_ptr, log_data_len); - } - - if (page_is_comp(new_page)) { - rec_set_next_offs_new(insert_rec, PAGE_NEW_SUPREMUM); - } else { - rec_set_next_offs_old(insert_rec, PAGE_OLD_SUPREMUM); - } - - slot = page_dir_get_nth_slot(new_page, 1 + slot_index); - - page_dir_slot_set_rec(slot, page_get_supremum_rec(new_page)); - page_dir_slot_set_n_owned(slot, NULL, count + 1); - - page_dir_set_n_slots(new_page, NULL, 2 + slot_index); - page_header_set_ptr(new_page, NULL, PAGE_HEAP_TOP, heap_top); - page_dir_set_n_heap(new_page, NULL, PAGE_HEAP_NO_USER_LOW + n_recs); - page_header_set_field(new_page, NULL, PAGE_N_RECS, n_recs); - - page_header_set_ptr(new_page, NULL, PAGE_LAST_INSERT, NULL); - page_header_set_field(new_page, NULL, PAGE_DIRECTION, - PAGE_NO_DIRECTION); - page_header_set_field(new_page, NULL, PAGE_N_DIRECTION, 0); - - /* Restore the log mode */ - - mtr_set_log_mode(mtr, log_mode); -} - -/***********************************************************//** -Writes log record of a record delete on a page. */ -UNIV_INLINE -void -page_cur_delete_rec_write_log( -/*==========================*/ - rec_t* rec, /*!< in: record to be deleted */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - byte* log_ptr; - - ut_ad(!!page_rec_is_comp(rec) == dict_table_is_comp(index->table)); - - log_ptr = mlog_open_and_write_index(mtr, rec, index, - page_rec_is_comp(rec) - ? MLOG_COMP_REC_DELETE - : MLOG_REC_DELETE, 2); - - if (!log_ptr) { - /* Logging in mtr is switched off during crash recovery: - in that case mlog_open returns NULL */ - return; - } - - /* Write the cursor rec offset as a 2-byte ulint */ - mach_write_to_2(log_ptr, page_offset(rec)); - - mlog_close(mtr, log_ptr + 2); -} -#else /* !UNIV_HOTBACKUP */ -# define page_cur_delete_rec_write_log(rec,index,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses log record of a record delete on a page. -@return pointer to record end or NULL */ -UNIV_INTERN -byte* -page_cur_parse_delete_rec( -/*======================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in: page or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ulint offset; - page_cur_t cursor; - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - /* Read the cursor rec offset as a 2-byte ulint */ - offset = mach_read_from_2(ptr); - ptr += 2; - - ut_a(offset <= UNIV_PAGE_SIZE); - - if (block) { - page_t* page = buf_block_get_frame(block); - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_t* rec = page + offset; - rec_offs_init(offsets_); - - page_cur_position(rec, block, &cursor); - ut_ad(!buf_block_get_page_zip(block) || page_is_comp(page)); - - page_cur_delete_rec(&cursor, index, - rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap), - mtr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - return(ptr); -} - -/***********************************************************//** -Deletes a record at the page cursor. The cursor is moved to the next -record after the deleted one. */ -UNIV_INTERN -void -page_cur_delete_rec( -/*================*/ - page_cur_t* cursor, /*!< in/out: a page cursor */ - dict_index_t* index, /*!< in: record descriptor */ - const ulint* offsets,/*!< in: rec_get_offsets(cursor->rec, index) */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - page_dir_slot_t* cur_dir_slot; - page_dir_slot_t* prev_slot; - page_t* page; - page_zip_des_t* page_zip; - rec_t* current_rec; - rec_t* prev_rec = NULL; - rec_t* next_rec; - ulint cur_slot_no; - ulint cur_n_owned; - rec_t* rec; - - ut_ad(cursor && mtr); - - page = page_cur_get_page(cursor); - page_zip = page_cur_get_page_zip(cursor); - - /* page_zip_validate() will fail here when - btr_cur_pessimistic_delete() invokes btr_set_min_rec_mark(). - Then, both "page_zip" and "page" would have the min-rec-mark - set on the smallest user record, but "page" would additionally - have it set on the smallest-but-one record. Because sloppy - page_zip_validate_low() only ignores min-rec-flag differences - in the smallest user record, it cannot be used here either. */ - - current_rec = cursor->rec; - ut_ad(rec_offs_validate(current_rec, index, offsets)); - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - - /* The record must not be the supremum or infimum record. */ - ut_ad(page_rec_is_user_rec(current_rec)); - - /* Save to local variables some data associated with current_rec */ - cur_slot_no = page_dir_find_owner_slot(current_rec); - cur_dir_slot = page_dir_get_nth_slot(page, cur_slot_no); - cur_n_owned = page_dir_slot_get_n_owned(cur_dir_slot); - - /* 0. Write the log record */ - page_cur_delete_rec_write_log(current_rec, index, mtr); - - /* 1. Reset the last insert info in the page header and increment - the modify clock for the frame */ - - page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); - - /* The page gets invalid for optimistic searches: increment the - frame modify clock */ - - buf_block_modify_clock_inc(page_cur_get_block(cursor)); - - /* 2. Find the next and the previous record. Note that the cursor is - left at the next record. */ - - ut_ad(cur_slot_no > 0); - prev_slot = page_dir_get_nth_slot(page, cur_slot_no - 1); - - rec = (rec_t*) page_dir_slot_get_rec(prev_slot); - - /* rec now points to the record of the previous directory slot. Look - for the immediate predecessor of current_rec in a loop. */ - - while(current_rec != rec) { - prev_rec = rec; - rec = page_rec_get_next(rec); - } - - page_cur_move_to_next(cursor); - next_rec = cursor->rec; - - /* 3. Remove the record from the linked list of records */ - - page_rec_set_next(prev_rec, next_rec); - - /* 4. If the deleted record is pointed to by a dir slot, update the - record pointer in slot. In the following if-clause we assume that - prev_rec is owned by the same slot, i.e., PAGE_DIR_SLOT_MIN_N_OWNED - >= 2. */ - -#if PAGE_DIR_SLOT_MIN_N_OWNED < 2 -# error "PAGE_DIR_SLOT_MIN_N_OWNED < 2" -#endif - ut_ad(cur_n_owned > 1); - - if (current_rec == page_dir_slot_get_rec(cur_dir_slot)) { - page_dir_slot_set_rec(cur_dir_slot, prev_rec); - } - - /* 5. Update the number of owned records of the slot */ - - page_dir_slot_set_n_owned(cur_dir_slot, page_zip, cur_n_owned - 1); - - /* 6. Free the memory occupied by the record */ - page_mem_free(page, page_zip, current_rec, index, offsets); - - /* 7. Now we have decremented the number of owned records of the slot. - If the number drops below PAGE_DIR_SLOT_MIN_N_OWNED, we balance the - slots. */ - - if (UNIV_UNLIKELY(cur_n_owned <= PAGE_DIR_SLOT_MIN_N_OWNED)) { - page_dir_balance_slot(page, page_zip, cur_slot_no); - } - -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ -} - -#ifdef UNIV_COMPILE_TEST_FUNCS - -/*******************************************************************//** -Print the first n numbers, generated by page_cur_lcg_prng() to make sure -(visually) that it works properly. */ -void -test_page_cur_lcg_prng( -/*===================*/ - int n) /*!< in: print first n numbers */ -{ - int i; - unsigned long long rnd; - - for (i = 0; i < n; i++) { - rnd = page_cur_lcg_prng(); - printf("%llu\t%%2=%llu %%3=%llu %%5=%llu %%7=%llu %%11=%llu\n", - rnd, - rnd % 2, - rnd % 3, - rnd % 5, - rnd % 7, - rnd % 11); - } -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/page/page0page.c b/perfschema/page/page0page.c deleted file mode 100644 index 1068a413e0c..00000000000 --- a/perfschema/page/page0page.c +++ /dev/null @@ -1,2614 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file page/page0page.c -Index page routines - -Created 2/2/1994 Heikki Tuuri -*******************************************************/ - -#define THIS_MODULE -#include "page0page.h" -#ifdef UNIV_NONINL -#include "page0page.ic" -#endif -#undef THIS_MODULE - -#include "page0cur.h" -#include "page0zip.h" -#include "buf0buf.h" -#include "btr0btr.h" -#ifndef UNIV_HOTBACKUP -# include "srv0srv.h" -# include "lock0lock.h" -# include "fut0lst.h" -# include "btr0sea.h" -#endif /* !UNIV_HOTBACKUP */ - -/* THE INDEX PAGE - ============== - -The index page consists of a page header which contains the page's -id and other information. On top of it are the index records -in a heap linked into a one way linear list according to alphabetic order. - -Just below page end is an array of pointers which we call page directory, -to about every sixth record in the list. The pointers are placed in -the directory in the alphabetical order of the records pointed to, -enabling us to make binary search using the array. Each slot n:o I -in the directory points to a record, where a 4-bit field contains a count -of those records which are in the linear list between pointer I and -the pointer I - 1 in the directory, including the record -pointed to by pointer I and not including the record pointed to by I - 1. -We say that the record pointed to by slot I, or that slot I, owns -these records. The count is always kept in the range 4 to 8, with -the exception that it is 1 for the first slot, and 1--8 for the second slot. - -An essentially binary search can be performed in the list of index -records, like we could do if we had pointer to every record in the -page directory. The data structure is, however, more efficient when -we are doing inserts, because most inserts are just pushed on a heap. -Only every 8th insert requires block move in the directory pointer -table, which itself is quite small. A record is deleted from the page -by just taking it off the linear list and updating the number of owned -records-field of the record which owns it, and updating the page directory, -if necessary. A special case is the one when the record owns itself. -Because the overhead of inserts is so small, we may also increase the -page size from the projected default of 8 kB to 64 kB without too -much loss of efficiency in inserts. Bigger page becomes actual -when the disk transfer rate compared to seek and latency time rises. -On the present system, the page size is set so that the page transfer -time (3 ms) is 20 % of the disk random access time (15 ms). - -When the page is split, merged, or becomes full but contains deleted -records, we have to reorganize the page. - -Assuming a page size of 8 kB, a typical index page of a secondary -index contains 300 index entries, and the size of the page directory -is 50 x 4 bytes = 200 bytes. */ - -/***************************************************************//** -Looks for the directory slot which owns the given record. -@return the directory slot number */ -UNIV_INTERN -ulint -page_dir_find_owner_slot( -/*=====================*/ - const rec_t* rec) /*!< in: the physical record */ -{ - const page_t* page; - register uint16 rec_offs_bytes; - register const page_dir_slot_t* slot; - register const page_dir_slot_t* first_slot; - register const rec_t* r = rec; - - ut_ad(page_rec_check(rec)); - - page = page_align(rec); - first_slot = page_dir_get_nth_slot(page, 0); - slot = page_dir_get_nth_slot(page, page_dir_get_n_slots(page) - 1); - - if (page_is_comp(page)) { - while (rec_get_n_owned_new(r) == 0) { - r = rec_get_next_ptr_const(r, TRUE); - ut_ad(r >= page + PAGE_NEW_SUPREMUM); - ut_ad(r < page + (UNIV_PAGE_SIZE - PAGE_DIR)); - } - } else { - while (rec_get_n_owned_old(r) == 0) { - r = rec_get_next_ptr_const(r, FALSE); - ut_ad(r >= page + PAGE_OLD_SUPREMUM); - ut_ad(r < page + (UNIV_PAGE_SIZE - PAGE_DIR)); - } - } - - rec_offs_bytes = mach_encode_2(r - page); - - while (UNIV_LIKELY(*(uint16*) slot != rec_offs_bytes)) { - - if (UNIV_UNLIKELY(slot == first_slot)) { - fprintf(stderr, - "InnoDB: Probable data corruption on" - " page %lu\n" - "InnoDB: Original record ", - (ulong) page_get_page_no(page)); - - if (page_is_comp(page)) { - fputs("(compact record)", stderr); - } else { - rec_print_old(stderr, rec); - } - - fputs("\n" - "InnoDB: on that page.\n" - "InnoDB: Cannot find the dir slot for record ", - stderr); - if (page_is_comp(page)) { - fputs("(compact record)", stderr); - } else { - rec_print_old(stderr, page - + mach_decode_2(rec_offs_bytes)); - } - fputs("\n" - "InnoDB: on that page!\n", stderr); - - buf_page_print(page, 0); - - ut_error; - } - - slot += PAGE_DIR_SLOT_SIZE; - } - - return(((ulint) (first_slot - slot)) / PAGE_DIR_SLOT_SIZE); -} - -/**************************************************************//** -Used to check the consistency of a directory slot. -@return TRUE if succeed */ -static -ibool -page_dir_slot_check( -/*================*/ - page_dir_slot_t* slot) /*!< in: slot */ -{ - page_t* page; - ulint n_slots; - ulint n_owned; - - ut_a(slot); - - page = page_align(slot); - - n_slots = page_dir_get_n_slots(page); - - ut_a(slot <= page_dir_get_nth_slot(page, 0)); - ut_a(slot >= page_dir_get_nth_slot(page, n_slots - 1)); - - ut_a(page_rec_check(page_dir_slot_get_rec(slot))); - - if (page_is_comp(page)) { - n_owned = rec_get_n_owned_new(page_dir_slot_get_rec(slot)); - } else { - n_owned = rec_get_n_owned_old(page_dir_slot_get_rec(slot)); - } - - if (slot == page_dir_get_nth_slot(page, 0)) { - ut_a(n_owned == 1); - } else if (slot == page_dir_get_nth_slot(page, n_slots - 1)) { - ut_a(n_owned >= 1); - ut_a(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED); - } else { - ut_a(n_owned >= PAGE_DIR_SLOT_MIN_N_OWNED); - ut_a(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED); - } - - return(TRUE); -} - -/*************************************************************//** -Sets the max trx id field value. */ -UNIV_INTERN -void -page_set_max_trx_id( -/*================*/ - buf_block_t* block, /*!< in/out: page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in/out: mini-transaction, or NULL */ -{ - page_t* page = buf_block_get_frame(block); -#ifndef UNIV_HOTBACKUP - const ibool is_hashed = block->is_hashed; - - if (is_hashed) { - rw_lock_x_lock(&btr_search_latch); - } - - ut_ad(!mtr || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); -#endif /* !UNIV_HOTBACKUP */ - - /* It is not necessary to write this change to the redo log, as - during a database recovery we assume that the max trx id of every - page is the maximum trx id assigned before the crash. */ - - if (UNIV_LIKELY_NULL(page_zip)) { - mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); - page_zip_write_header(page_zip, - page + (PAGE_HEADER + PAGE_MAX_TRX_ID), - 8, mtr); -#ifndef UNIV_HOTBACKUP - } else if (mtr) { - mlog_write_dulint(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), - trx_id, mtr); -#endif /* !UNIV_HOTBACKUP */ - } else { - mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id); - } - -#ifndef UNIV_HOTBACKUP - if (is_hashed) { - rw_lock_x_unlock(&btr_search_latch); - } -#endif /* !UNIV_HOTBACKUP */ -} - -/************************************************************//** -Allocates a block of memory from the heap of an index page. -@return pointer to start of allocated buffer, or NULL if allocation fails */ -UNIV_INTERN -byte* -page_mem_alloc_heap( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page with enough - space available for inserting the record, - or NULL */ - ulint need, /*!< in: total number of bytes needed */ - ulint* heap_no)/*!< out: this contains the heap number - of the allocated record - if allocation succeeds */ -{ - byte* block; - ulint avl_space; - - ut_ad(page && heap_no); - - avl_space = page_get_max_insert_size(page, 1); - - if (avl_space >= need) { - block = page_header_get_ptr(page, PAGE_HEAP_TOP); - - page_header_set_ptr(page, page_zip, PAGE_HEAP_TOP, - block + need); - *heap_no = page_dir_get_n_heap(page); - - page_dir_set_n_heap(page, page_zip, 1 + *heap_no); - - return(block); - } - - return(NULL); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Writes a log record of page creation. */ -UNIV_INLINE -void -page_create_write_log( -/*==================*/ - buf_frame_t* frame, /*!< in: a buffer frame where the page is - created */ - mtr_t* mtr, /*!< in: mini-transaction handle */ - ibool comp) /*!< in: TRUE=compact page format */ -{ - mlog_write_initial_log_record(frame, comp - ? MLOG_COMP_PAGE_CREATE - : MLOG_PAGE_CREATE, mtr); -} -#else /* !UNIV_HOTBACKUP */ -# define page_create_write_log(frame,mtr,comp) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a redo log record of creating a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_create( -/*==============*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ - ulint comp, /*!< in: nonzero=compact page format */ - buf_block_t* block, /*!< in: block or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ut_ad(ptr && end_ptr); - - /* The record is empty, except for the record initial part */ - - if (block) { - page_create(block, mtr, comp); - } - - return(ptr); -} - -/**********************************************************//** -The index page creation function. -@return pointer to the page */ -static -page_t* -page_create_low( -/*============*/ - buf_block_t* block, /*!< in: a buffer block where the - page is created */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - page_dir_slot_t* slot; - mem_heap_t* heap; - dtuple_t* tuple; - dfield_t* field; - byte* heap_top; - rec_t* infimum_rec; - rec_t* supremum_rec; - page_t* page; - dict_index_t* index; - ulint* offsets; - - ut_ad(block); -#if PAGE_BTR_IBUF_FREE_LIST + FLST_BASE_NODE_SIZE > PAGE_DATA -# error "PAGE_BTR_IBUF_FREE_LIST + FLST_BASE_NODE_SIZE > PAGE_DATA" -#endif -#if PAGE_BTR_IBUF_FREE_LIST_NODE + FLST_NODE_SIZE > PAGE_DATA -# error "PAGE_BTR_IBUF_FREE_LIST_NODE + FLST_NODE_SIZE > PAGE_DATA" -#endif - - /* The infimum and supremum records use a dummy index. */ - if (UNIV_LIKELY(comp)) { - index = dict_ind_compact; - } else { - index = dict_ind_redundant; - } - - /* 1. INCREMENT MODIFY CLOCK */ - buf_block_modify_clock_inc(block); - - page = buf_block_get_frame(block); - - fil_page_set_type(page, FIL_PAGE_INDEX); - - heap = mem_heap_create(200); - - /* 3. CREATE THE INFIMUM AND SUPREMUM RECORDS */ - - /* Create first a data tuple for infimum record */ - tuple = dtuple_create(heap, 1); - dtuple_set_info_bits(tuple, REC_STATUS_INFIMUM); - field = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(field, "infimum", 8); - dtype_set(dfield_get_type(field), - DATA_VARCHAR, DATA_ENGLISH | DATA_NOT_NULL, 8); - /* Set the corresponding physical record to its place in the page - record heap */ - - heap_top = page + PAGE_DATA; - - infimum_rec = rec_convert_dtuple_to_rec(heap_top, index, tuple, 0); - - if (UNIV_LIKELY(comp)) { - ut_a(infimum_rec == page + PAGE_NEW_INFIMUM); - - rec_set_n_owned_new(infimum_rec, NULL, 1); - rec_set_heap_no_new(infimum_rec, 0); - } else { - ut_a(infimum_rec == page + PAGE_OLD_INFIMUM); - - rec_set_n_owned_old(infimum_rec, 1); - rec_set_heap_no_old(infimum_rec, 0); - } - - offsets = rec_get_offsets(infimum_rec, index, NULL, - ULINT_UNDEFINED, &heap); - - heap_top = rec_get_end(infimum_rec, offsets); - - /* Create then a tuple for supremum */ - - tuple = dtuple_create(heap, 1); - dtuple_set_info_bits(tuple, REC_STATUS_SUPREMUM); - field = dtuple_get_nth_field(tuple, 0); - - dfield_set_data(field, "supremum", comp ? 8 : 9); - dtype_set(dfield_get_type(field), - DATA_VARCHAR, DATA_ENGLISH | DATA_NOT_NULL, comp ? 8 : 9); - - supremum_rec = rec_convert_dtuple_to_rec(heap_top, index, tuple, 0); - - if (UNIV_LIKELY(comp)) { - ut_a(supremum_rec == page + PAGE_NEW_SUPREMUM); - - rec_set_n_owned_new(supremum_rec, NULL, 1); - rec_set_heap_no_new(supremum_rec, 1); - } else { - ut_a(supremum_rec == page + PAGE_OLD_SUPREMUM); - - rec_set_n_owned_old(supremum_rec, 1); - rec_set_heap_no_old(supremum_rec, 1); - } - - offsets = rec_get_offsets(supremum_rec, index, offsets, - ULINT_UNDEFINED, &heap); - heap_top = rec_get_end(supremum_rec, offsets); - - ut_ad(heap_top == page - + (comp ? PAGE_NEW_SUPREMUM_END : PAGE_OLD_SUPREMUM_END)); - - mem_heap_free(heap); - - /* 4. INITIALIZE THE PAGE */ - - page_header_set_field(page, NULL, PAGE_N_DIR_SLOTS, 2); - page_header_set_ptr(page, NULL, PAGE_HEAP_TOP, heap_top); - page_header_set_field(page, NULL, PAGE_N_HEAP, comp - ? 0x8000 | PAGE_HEAP_NO_USER_LOW - : PAGE_HEAP_NO_USER_LOW); - page_header_set_ptr(page, NULL, PAGE_FREE, NULL); - page_header_set_field(page, NULL, PAGE_GARBAGE, 0); - page_header_set_ptr(page, NULL, PAGE_LAST_INSERT, NULL); - page_header_set_field(page, NULL, PAGE_DIRECTION, PAGE_NO_DIRECTION); - page_header_set_field(page, NULL, PAGE_N_DIRECTION, 0); - page_header_set_field(page, NULL, PAGE_N_RECS, 0); - page_set_max_trx_id(block, NULL, ut_dulint_zero, NULL); - memset(heap_top, 0, UNIV_PAGE_SIZE - PAGE_EMPTY_DIR_START - - page_offset(heap_top)); - - /* 5. SET POINTERS IN RECORDS AND DIR SLOTS */ - - /* Set the slots to point to infimum and supremum. */ - - slot = page_dir_get_nth_slot(page, 0); - page_dir_slot_set_rec(slot, infimum_rec); - - slot = page_dir_get_nth_slot(page, 1); - page_dir_slot_set_rec(slot, supremum_rec); - - /* Set the next pointers in infimum and supremum */ - - if (UNIV_LIKELY(comp)) { - rec_set_next_offs_new(infimum_rec, PAGE_NEW_SUPREMUM); - rec_set_next_offs_new(supremum_rec, 0); - } else { - rec_set_next_offs_old(infimum_rec, PAGE_OLD_SUPREMUM); - rec_set_next_offs_old(supremum_rec, 0); - } - - return(page); -} - -/**********************************************************//** -Create an uncompressed B-tree index page. -@return pointer to the page */ -UNIV_INTERN -page_t* -page_create( -/*========*/ - buf_block_t* block, /*!< in: a buffer block where the - page is created */ - mtr_t* mtr, /*!< in: mini-transaction handle */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - page_create_write_log(buf_block_get_frame(block), mtr, comp); - return(page_create_low(block, comp)); -} - -/**********************************************************//** -Create a compressed B-tree index page. -@return pointer to the page */ -UNIV_INTERN -page_t* -page_create_zip( -/*============*/ - buf_block_t* block, /*!< in/out: a buffer frame where the - page is created */ - dict_index_t* index, /*!< in: the index of the page */ - ulint level, /*!< in: the B-tree level of the page */ - mtr_t* mtr) /*!< in: mini-transaction handle */ -{ - page_t* page; - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - - ut_ad(block); - ut_ad(page_zip); - ut_ad(index); - ut_ad(dict_table_is_comp(index->table)); - - page = page_create_low(block, TRUE); - mach_write_to_2(page + PAGE_HEADER + PAGE_LEVEL, level); - - if (UNIV_UNLIKELY(!page_zip_compress(page_zip, page, index, mtr))) { - /* The compression of a newly created page - should always succeed. */ - ut_error; - } - - return(page); -} - -/*************************************************************//** -Differs from page_copy_rec_list_end, because this function does not -touch the lock table and max trx id on page or compress the page. */ -UNIV_INTERN -void -page_copy_rec_list_end_no_locks( -/*============================*/ - buf_block_t* new_block, /*!< in: index page to copy to */ - buf_block_t* block, /*!< in: index page of rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* new_page = buf_block_get_frame(new_block); - page_cur_t cur1; - rec_t* cur2; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - page_cur_position(rec, block, &cur1); - - if (page_cur_is_before_first(&cur1)) { - - page_cur_move_to_next(&cur1); - } - - ut_a((ibool)!!page_is_comp(new_page) - == dict_table_is_comp(index->table)); - ut_a(page_is_comp(new_page) == page_rec_is_comp(rec)); - ut_a(mach_read_from_2(new_page + UNIV_PAGE_SIZE - 10) == (ulint) - (page_is_comp(new_page) ? PAGE_NEW_INFIMUM : PAGE_OLD_INFIMUM)); - - cur2 = page_get_infimum_rec(buf_block_get_frame(new_block)); - - /* Copy records from the original page to the new page */ - - while (!page_cur_is_after_last(&cur1)) { - rec_t* cur1_rec = page_cur_get_rec(&cur1); - rec_t* ins_rec; - offsets = rec_get_offsets(cur1_rec, index, offsets, - ULINT_UNDEFINED, &heap); - ins_rec = page_cur_insert_rec_low(cur2, index, - cur1_rec, offsets, mtr); - if (UNIV_UNLIKELY(!ins_rec)) { - /* Track an assertion failure reported on the mailing - list on June 18th, 2003 */ - - buf_page_print(new_page, 0); - buf_page_print(page_align(rec), 0); - ut_print_timestamp(stderr); - - fprintf(stderr, - "InnoDB: rec offset %lu, cur1 offset %lu," - " cur2 offset %lu\n", - (ulong) page_offset(rec), - (ulong) page_offset(page_cur_get_rec(&cur1)), - (ulong) page_offset(cur2)); - ut_error; - } - - page_cur_move_to_next(&cur1); - cur2 = ins_rec; - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Copies records from page to new_page, from a given record onward, -including that record. Infimum and supremum records are not copied. -The records are copied to the start of the record list on new_page. -@return pointer to the original successor of the infimum record on -new_page, or NULL on zip overflow (new_block will be decompressed) */ -UNIV_INTERN -rec_t* -page_copy_rec_list_end( -/*===================*/ - buf_block_t* new_block, /*!< in/out: index page to copy to */ - buf_block_t* block, /*!< in: index page containing rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* new_page = buf_block_get_frame(new_block); - page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); - page_t* page = page_align(rec); - rec_t* ret = page_rec_get_next( - page_get_infimum_rec(new_page)); - ulint log_mode = 0; /* remove warning */ - -#ifdef UNIV_ZIP_DEBUG - if (new_page_zip) { - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - ut_a(page_zip); - - /* Strict page_zip_validate() may fail here. - Furthermore, btr_compress() may set FIL_PAGE_PREV to - FIL_NULL on new_page while leaving it intact on - new_page_zip. So, we cannot validate new_page_zip. */ - ut_a(page_zip_validate_low(page_zip, page, TRUE)); - } -#endif /* UNIV_ZIP_DEBUG */ - ut_ad(buf_block_get_frame(block) == page); - ut_ad(page_is_leaf(page) == page_is_leaf(new_page)); - ut_ad(page_is_comp(page) == page_is_comp(new_page)); - /* Here, "ret" may be pointing to a user record or the - predefined supremum record. */ - - if (UNIV_LIKELY_NULL(new_page_zip)) { - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - } - - if (page_dir_get_n_heap(new_page) == PAGE_HEAP_NO_USER_LOW) { - page_copy_rec_list_end_to_created_page(new_page, rec, - index, mtr); - } else { - page_copy_rec_list_end_no_locks(new_block, block, rec, - index, mtr); - } - - /* Update PAGE_MAX_TRX_ID on the uncompressed page. - Modifications will be redo logged and copied to the compressed - page in page_zip_compress() or page_zip_reorganize() below. */ - if (dict_index_is_sec_or_ibuf(index) && page_is_leaf(page)) { - page_update_max_trx_id(new_block, NULL, - page_get_max_trx_id(page), mtr); - } - - if (UNIV_LIKELY_NULL(new_page_zip)) { - mtr_set_log_mode(mtr, log_mode); - - if (UNIV_UNLIKELY - (!page_zip_compress(new_page_zip, new_page, index, mtr))) { - /* Before trying to reorganize the page, - store the number of preceding records on the page. */ - ulint ret_pos - = page_rec_get_n_recs_before(ret); - /* Before copying, "ret" was the successor of - the predefined infimum record. It must still - have at least one predecessor (the predefined - infimum record, or a freshly copied record - that is smaller than "ret"). */ - ut_a(ret_pos > 0); - - if (UNIV_UNLIKELY - (!page_zip_reorganize(new_block, index, mtr))) { - - if (UNIV_UNLIKELY - (!page_zip_decompress(new_page_zip, - new_page, FALSE))) { - ut_error; - } - ut_ad(page_validate(new_page, index)); - return(NULL); - } else { - /* The page was reorganized: - Seek to ret_pos. */ - ret = new_page + PAGE_NEW_INFIMUM; - - do { - ret = rec_get_next_ptr(ret, TRUE); - } while (--ret_pos); - } - } - } - - /* Update the lock table and possible hash index */ - - lock_move_rec_list_end(new_block, block, rec); - - btr_search_move_or_delete_hash_entries(new_block, block, index); - - return(ret); -} - -/*************************************************************//** -Copies records from page to new_page, up to the given record, -NOT including that record. Infimum and supremum records are not copied. -The records are copied to the end of the record list on new_page. -@return pointer to the original predecessor of the supremum record on -new_page, or NULL on zip overflow (new_block will be decompressed) */ -UNIV_INTERN -rec_t* -page_copy_rec_list_start( -/*=====================*/ - buf_block_t* new_block, /*!< in/out: index page to copy to */ - buf_block_t* block, /*!< in: index page containing rec */ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* new_page = buf_block_get_frame(new_block); - page_zip_des_t* new_page_zip = buf_block_get_page_zip(new_block); - page_cur_t cur1; - rec_t* cur2; - ulint log_mode = 0 /* remove warning */; - mem_heap_t* heap = NULL; - rec_t* ret - = page_rec_get_prev(page_get_supremum_rec(new_page)); - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - /* Here, "ret" may be pointing to a user record or the - predefined infimum record. */ - - if (page_rec_is_infimum(rec)) { - - return(ret); - } - - if (UNIV_LIKELY_NULL(new_page_zip)) { - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - } - - page_cur_set_before_first(block, &cur1); - page_cur_move_to_next(&cur1); - - cur2 = ret; - - /* Copy records from the original page to the new page */ - - while (page_cur_get_rec(&cur1) != rec) { - rec_t* cur1_rec = page_cur_get_rec(&cur1); - offsets = rec_get_offsets(cur1_rec, index, offsets, - ULINT_UNDEFINED, &heap); - cur2 = page_cur_insert_rec_low(cur2, index, - cur1_rec, offsets, mtr); - ut_a(cur2); - - page_cur_move_to_next(&cur1); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - /* Update PAGE_MAX_TRX_ID on the uncompressed page. - Modifications will be redo logged and copied to the compressed - page in page_zip_compress() or page_zip_reorganize() below. */ - if (dict_index_is_sec_or_ibuf(index) - && page_is_leaf(page_align(rec))) { - page_update_max_trx_id(new_block, NULL, - page_get_max_trx_id(page_align(rec)), - mtr); - } - - if (UNIV_LIKELY_NULL(new_page_zip)) { - mtr_set_log_mode(mtr, log_mode); - - if (UNIV_UNLIKELY - (!page_zip_compress(new_page_zip, new_page, index, mtr))) { - /* Before trying to reorganize the page, - store the number of preceding records on the page. */ - ulint ret_pos - = page_rec_get_n_recs_before(ret); - /* Before copying, "ret" was the predecessor - of the predefined supremum record. If it was - the predefined infimum record, then it would - still be the infimum. Thus, the assertion - ut_a(ret_pos > 0) would fail here. */ - - if (UNIV_UNLIKELY - (!page_zip_reorganize(new_block, index, mtr))) { - - if (UNIV_UNLIKELY - (!page_zip_decompress(new_page_zip, - new_page, FALSE))) { - ut_error; - } - ut_ad(page_validate(new_page, index)); - return(NULL); - } else { - /* The page was reorganized: - Seek to ret_pos. */ - ret = new_page + PAGE_NEW_INFIMUM; - - do { - ret = rec_get_next_ptr(ret, TRUE); - } while (--ret_pos); - } - } - } - - /* Update the lock table and possible hash index */ - - lock_move_rec_list_start(new_block, block, rec, ret); - - btr_search_move_or_delete_hash_entries(new_block, block, index); - - return(ret); -} - -/**********************************************************//** -Writes a log record of a record list end or start deletion. */ -UNIV_INLINE -void -page_delete_rec_list_write_log( -/*===========================*/ - rec_t* rec, /*!< in: record on page */ - dict_index_t* index, /*!< in: record descriptor */ - byte type, /*!< in: operation type: - MLOG_LIST_END_DELETE, ... */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - ut_ad(type == MLOG_LIST_END_DELETE - || type == MLOG_LIST_START_DELETE - || type == MLOG_COMP_LIST_END_DELETE - || type == MLOG_COMP_LIST_START_DELETE); - - log_ptr = mlog_open_and_write_index(mtr, rec, index, type, 2); - if (log_ptr) { - /* Write the parameter as a 2-byte ulint */ - mach_write_to_2(log_ptr, page_offset(rec)); - mlog_close(mtr, log_ptr + 2); - } -} -#else /* !UNIV_HOTBACKUP */ -# define page_delete_rec_list_write_log(rec,index,type,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************//** -Parses a log record of a record list end or start deletion. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_parse_delete_rec_list( -/*=======================*/ - byte type, /*!< in: MLOG_LIST_END_DELETE, - MLOG_LIST_START_DELETE, - MLOG_COMP_LIST_END_DELETE or - MLOG_COMP_LIST_START_DELETE */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - buf_block_t* block, /*!< in/out: buffer block or NULL */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - page_t* page; - ulint offset; - - ut_ad(type == MLOG_LIST_END_DELETE - || type == MLOG_LIST_START_DELETE - || type == MLOG_COMP_LIST_END_DELETE - || type == MLOG_COMP_LIST_START_DELETE); - - /* Read the record offset as a 2-byte ulint */ - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - ptr += 2; - - if (!block) { - - return(ptr); - } - - page = buf_block_get_frame(block); - - ut_ad(!!page_is_comp(page) == dict_table_is_comp(index->table)); - - if (type == MLOG_LIST_END_DELETE - || type == MLOG_COMP_LIST_END_DELETE) { - page_delete_rec_list_end(page + offset, block, index, - ULINT_UNDEFINED, ULINT_UNDEFINED, - mtr); - } else { - page_delete_rec_list_start(page + offset, block, index, mtr); - } - - return(ptr); -} - -/*************************************************************//** -Deletes records from a page from a given record onward, including that record. -The infimum and supremum records are not deleted. */ -UNIV_INTERN -void -page_delete_rec_list_end( -/*=====================*/ - rec_t* rec, /*!< in: pointer to record on page */ - buf_block_t* block, /*!< in: buffer block of the page */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n_recs, /*!< in: number of records to delete, - or ULINT_UNDEFINED if not known */ - ulint size, /*!< in: the sum of the sizes of the - records in the end of the chain to - delete, or ULINT_UNDEFINED if not known */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_dir_slot_t*slot; - ulint slot_index; - rec_t* last_rec; - rec_t* prev_rec; - ulint n_owned; - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - page_t* page = page_align(rec); - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(size == ULINT_UNDEFINED || size < UNIV_PAGE_SIZE); - ut_ad(!page_zip || page_rec_is_comp(rec)); -#ifdef UNIV_ZIP_DEBUG - ut_a(!page_zip || page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (page_rec_is_infimum(rec)) { - rec = page_rec_get_next(rec); - } - - if (page_rec_is_supremum(rec)) { - - return; - } - - /* Reset the last insert info in the page header and increment - the modify clock for the frame */ - - page_header_set_ptr(page, page_zip, PAGE_LAST_INSERT, NULL); - - /* The page gets invalid for optimistic searches: increment the - frame modify clock */ - - buf_block_modify_clock_inc(block); - - page_delete_rec_list_write_log(rec, index, page_is_comp(page) - ? MLOG_COMP_LIST_END_DELETE - : MLOG_LIST_END_DELETE, mtr); - - if (UNIV_LIKELY_NULL(page_zip)) { - ulint log_mode; - - ut_a(page_is_comp(page)); - /* Individual deletes are not logged */ - - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - - do { - page_cur_t cur; - page_cur_position(rec, block, &cur); - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - rec = rec_get_next_ptr(rec, TRUE); -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - page_cur_delete_rec(&cur, index, offsets, mtr); - } while (page_offset(rec) != PAGE_NEW_SUPREMUM); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - /* Restore log mode */ - - mtr_set_log_mode(mtr, log_mode); - return; - } - - prev_rec = page_rec_get_prev(rec); - - last_rec = page_rec_get_prev(page_get_supremum_rec(page)); - - if ((size == ULINT_UNDEFINED) || (n_recs == ULINT_UNDEFINED)) { - rec_t* rec2 = rec; - /* Calculate the sum of sizes and the number of records */ - size = 0; - n_recs = 0; - - do { - ulint s; - offsets = rec_get_offsets(rec2, index, offsets, - ULINT_UNDEFINED, &heap); - s = rec_offs_size(offsets); - ut_ad(rec2 - page + s - rec_offs_extra_size(offsets) - < UNIV_PAGE_SIZE); - ut_ad(size + s < UNIV_PAGE_SIZE); - size += s; - n_recs++; - - rec2 = page_rec_get_next(rec2); - } while (!page_rec_is_supremum(rec2)); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - ut_ad(size < UNIV_PAGE_SIZE); - - /* Update the page directory; there is no need to balance the number - of the records owned by the supremum record, as it is allowed to be - less than PAGE_DIR_SLOT_MIN_N_OWNED */ - - if (page_is_comp(page)) { - rec_t* rec2 = rec; - ulint count = 0; - - while (rec_get_n_owned_new(rec2) == 0) { - count++; - - rec2 = rec_get_next_ptr(rec2, TRUE); - } - - ut_ad(rec_get_n_owned_new(rec2) > count); - - n_owned = rec_get_n_owned_new(rec2) - count; - slot_index = page_dir_find_owner_slot(rec2); - slot = page_dir_get_nth_slot(page, slot_index); - } else { - rec_t* rec2 = rec; - ulint count = 0; - - while (rec_get_n_owned_old(rec2) == 0) { - count++; - - rec2 = rec_get_next_ptr(rec2, FALSE); - } - - ut_ad(rec_get_n_owned_old(rec2) > count); - - n_owned = rec_get_n_owned_old(rec2) - count; - slot_index = page_dir_find_owner_slot(rec2); - slot = page_dir_get_nth_slot(page, slot_index); - } - - page_dir_slot_set_rec(slot, page_get_supremum_rec(page)); - page_dir_slot_set_n_owned(slot, NULL, n_owned); - - page_dir_set_n_slots(page, NULL, slot_index + 1); - - /* Remove the record chain segment from the record chain */ - page_rec_set_next(prev_rec, page_get_supremum_rec(page)); - - /* Catenate the deleted chain segment to the page free list */ - - page_rec_set_next(last_rec, page_header_get_ptr(page, PAGE_FREE)); - page_header_set_ptr(page, NULL, PAGE_FREE, rec); - - page_header_set_field(page, NULL, PAGE_GARBAGE, size - + page_header_get_field(page, PAGE_GARBAGE)); - - page_header_set_field(page, NULL, PAGE_N_RECS, - (ulint)(page_get_n_recs(page) - n_recs)); -} - -/*************************************************************//** -Deletes records from page, up to the given record, NOT including -that record. Infimum and supremum records are not deleted. */ -UNIV_INTERN -void -page_delete_rec_list_start( -/*=======================*/ - rec_t* rec, /*!< in: record on page */ - buf_block_t* block, /*!< in: buffer block of the page */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_cur_t cur1; - ulint log_mode; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - mem_heap_t* heap = NULL; - byte type; - - rec_offs_init(offsets_); - - ut_ad((ibool) !!page_rec_is_comp(rec) - == dict_table_is_comp(index->table)); -#ifdef UNIV_ZIP_DEBUG - { - page_zip_des_t* page_zip= buf_block_get_page_zip(block); - page_t* page = buf_block_get_frame(block); - - /* page_zip_validate() would detect a min_rec_mark mismatch - in btr_page_split_and_insert() - between btr_attach_half_pages() and insert_page = ... - when btr_page_get_split_rec_to_left() holds - (direction == FSP_DOWN). */ - ut_a(!page_zip || page_zip_validate_low(page_zip, page, TRUE)); - } -#endif /* UNIV_ZIP_DEBUG */ - - if (page_rec_is_infimum(rec)) { - - return; - } - - if (page_rec_is_comp(rec)) { - type = MLOG_COMP_LIST_START_DELETE; - } else { - type = MLOG_LIST_START_DELETE; - } - - page_delete_rec_list_write_log(rec, index, type, mtr); - - page_cur_set_before_first(block, &cur1); - page_cur_move_to_next(&cur1); - - /* Individual deletes are not logged */ - - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - - while (page_cur_get_rec(&cur1) != rec) { - offsets = rec_get_offsets(page_cur_get_rec(&cur1), index, - offsets, ULINT_UNDEFINED, &heap); - page_cur_delete_rec(&cur1, index, offsets, mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - /* Restore log mode */ - - mtr_set_log_mode(mtr, log_mode); -} - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Moves record list end to another page. Moved records include -split_rec. -@return TRUE on success; FALSE on compression failure (new_block will -be decompressed) */ -UNIV_INTERN -ibool -page_move_rec_list_end( -/*===================*/ - buf_block_t* new_block, /*!< in/out: index page where to move */ - buf_block_t* block, /*!< in: index page from where to move */ - rec_t* split_rec, /*!< in: first record to move */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* new_page = buf_block_get_frame(new_block); - ulint old_data_size; - ulint new_data_size; - ulint old_n_recs; - ulint new_n_recs; - - old_data_size = page_get_data_size(new_page); - old_n_recs = page_get_n_recs(new_page); -#ifdef UNIV_ZIP_DEBUG - { - page_zip_des_t* new_page_zip - = buf_block_get_page_zip(new_block); - page_zip_des_t* page_zip - = buf_block_get_page_zip(block); - ut_a(!new_page_zip == !page_zip); - ut_a(!new_page_zip - || page_zip_validate(new_page_zip, new_page)); - ut_a(!page_zip - || page_zip_validate(page_zip, page_align(split_rec))); - } -#endif /* UNIV_ZIP_DEBUG */ - - if (UNIV_UNLIKELY(!page_copy_rec_list_end(new_block, block, - split_rec, index, mtr))) { - return(FALSE); - } - - new_data_size = page_get_data_size(new_page); - new_n_recs = page_get_n_recs(new_page); - - ut_ad(new_data_size >= old_data_size); - - page_delete_rec_list_end(split_rec, block, index, - new_n_recs - old_n_recs, - new_data_size - old_data_size, mtr); - - return(TRUE); -} - -/*************************************************************//** -Moves record list start to another page. Moved records do not include -split_rec. -@return TRUE on success; FALSE on compression failure */ -UNIV_INTERN -ibool -page_move_rec_list_start( -/*=====================*/ - buf_block_t* new_block, /*!< in/out: index page where to move */ - buf_block_t* block, /*!< in/out: page containing split_rec */ - rec_t* split_rec, /*!< in: first record not to move */ - dict_index_t* index, /*!< in: record descriptor */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (UNIV_UNLIKELY(!page_copy_rec_list_start(new_block, block, - split_rec, index, mtr))) { - return(FALSE); - } - - page_delete_rec_list_start(split_rec, block, index, mtr); - - return(TRUE); -} - -/***********************************************************************//** -This is a low-level operation which is used in a database index creation -to update the page number of a created B-tree to a data dictionary record. */ -UNIV_INTERN -void -page_rec_write_index_page_no( -/*=========================*/ - rec_t* rec, /*!< in: record to update */ - ulint i, /*!< in: index of the field to update */ - ulint page_no,/*!< in: value to write */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* data; - ulint len; - - data = rec_get_nth_field_old(rec, i, &len); - - ut_ad(len == 4); - - mlog_write_ulint(data, page_no, MLOG_4BYTES, mtr); -} -#endif /* !UNIV_HOTBACKUP */ - -/**************************************************************//** -Used to delete n slots from the directory. This function updates -also n_owned fields in the records, so that the first slot after -the deleted ones inherits the records of the deleted slots. */ -UNIV_INLINE -void -page_dir_delete_slot( -/*=================*/ - page_t* page, /*!< in/out: the index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint slot_no)/*!< in: slot to be deleted */ -{ - page_dir_slot_t* slot; - ulint n_owned; - ulint i; - ulint n_slots; - - ut_ad(!page_zip || page_is_comp(page)); - ut_ad(slot_no > 0); - ut_ad(slot_no + 1 < page_dir_get_n_slots(page)); - - n_slots = page_dir_get_n_slots(page); - - /* 1. Reset the n_owned fields of the slots to be - deleted */ - slot = page_dir_get_nth_slot(page, slot_no); - n_owned = page_dir_slot_get_n_owned(slot); - page_dir_slot_set_n_owned(slot, page_zip, 0); - - /* 2. Update the n_owned value of the first non-deleted slot */ - - slot = page_dir_get_nth_slot(page, slot_no + 1); - page_dir_slot_set_n_owned(slot, page_zip, - n_owned + page_dir_slot_get_n_owned(slot)); - - /* 3. Destroy the slot by copying slots */ - for (i = slot_no + 1; i < n_slots; i++) { - rec_t* rec = (rec_t*) - page_dir_slot_get_rec(page_dir_get_nth_slot(page, i)); - page_dir_slot_set_rec(page_dir_get_nth_slot(page, i - 1), rec); - } - - /* 4. Zero out the last slot, which will be removed */ - mach_write_to_2(page_dir_get_nth_slot(page, n_slots - 1), 0); - - /* 5. Update the page header */ - page_header_set_field(page, page_zip, PAGE_N_DIR_SLOTS, n_slots - 1); -} - -/**************************************************************//** -Used to add n slots to the directory. Does not set the record pointers -in the added slots or update n_owned values: this is the responsibility -of the caller. */ -UNIV_INLINE -void -page_dir_add_slot( -/*==============*/ - page_t* page, /*!< in/out: the index page */ - page_zip_des_t* page_zip,/*!< in/out: comprssed page, or NULL */ - ulint start) /*!< in: the slot above which the new slots - are added */ -{ - page_dir_slot_t* slot; - ulint n_slots; - - n_slots = page_dir_get_n_slots(page); - - ut_ad(start < n_slots - 1); - - /* Update the page header */ - page_dir_set_n_slots(page, page_zip, n_slots + 1); - - /* Move slots up */ - slot = page_dir_get_nth_slot(page, n_slots); - memmove(slot, slot + PAGE_DIR_SLOT_SIZE, - (n_slots - 1 - start) * PAGE_DIR_SLOT_SIZE); -} - -/****************************************************************//** -Splits a directory slot which owns too many records. */ -UNIV_INTERN -void -page_dir_split_slot( -/*================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page whose - uncompressed part will be written, or NULL */ - ulint slot_no)/*!< in: the directory slot */ -{ - rec_t* rec; - page_dir_slot_t* new_slot; - page_dir_slot_t* prev_slot; - page_dir_slot_t* slot; - ulint i; - ulint n_owned; - - ut_ad(page); - ut_ad(!page_zip || page_is_comp(page)); - ut_ad(slot_no > 0); - - slot = page_dir_get_nth_slot(page, slot_no); - - n_owned = page_dir_slot_get_n_owned(slot); - ut_ad(n_owned == PAGE_DIR_SLOT_MAX_N_OWNED + 1); - - /* 1. We loop to find a record approximately in the middle of the - records owned by the slot. */ - - prev_slot = page_dir_get_nth_slot(page, slot_no - 1); - rec = (rec_t*) page_dir_slot_get_rec(prev_slot); - - for (i = 0; i < n_owned / 2; i++) { - rec = page_rec_get_next(rec); - } - - ut_ad(n_owned / 2 >= PAGE_DIR_SLOT_MIN_N_OWNED); - - /* 2. We add one directory slot immediately below the slot to be - split. */ - - page_dir_add_slot(page, page_zip, slot_no - 1); - - /* The added slot is now number slot_no, and the old slot is - now number slot_no + 1 */ - - new_slot = page_dir_get_nth_slot(page, slot_no); - slot = page_dir_get_nth_slot(page, slot_no + 1); - - /* 3. We store the appropriate values to the new slot. */ - - page_dir_slot_set_rec(new_slot, rec); - page_dir_slot_set_n_owned(new_slot, page_zip, n_owned / 2); - - /* 4. Finally, we update the number of records field of the - original slot */ - - page_dir_slot_set_n_owned(slot, page_zip, n_owned - (n_owned / 2)); -} - -/*************************************************************//** -Tries to balance the given directory slot with too few records with the upper -neighbor, so that there are at least the minimum number of records owned by -the slot; this may result in the merging of two slots. */ -UNIV_INTERN -void -page_dir_balance_slot( -/*==================*/ - page_t* page, /*!< in/out: index page */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - ulint slot_no)/*!< in: the directory slot */ -{ - page_dir_slot_t* slot; - page_dir_slot_t* up_slot; - ulint n_owned; - ulint up_n_owned; - rec_t* old_rec; - rec_t* new_rec; - - ut_ad(page); - ut_ad(!page_zip || page_is_comp(page)); - ut_ad(slot_no > 0); - - slot = page_dir_get_nth_slot(page, slot_no); - - /* The last directory slot cannot be balanced with the upper - neighbor, as there is none. */ - - if (UNIV_UNLIKELY(slot_no == page_dir_get_n_slots(page) - 1)) { - - return; - } - - up_slot = page_dir_get_nth_slot(page, slot_no + 1); - - n_owned = page_dir_slot_get_n_owned(slot); - up_n_owned = page_dir_slot_get_n_owned(up_slot); - - ut_ad(n_owned == PAGE_DIR_SLOT_MIN_N_OWNED - 1); - - /* If the upper slot has the minimum value of n_owned, we will merge - the two slots, therefore we assert: */ - ut_ad(2 * PAGE_DIR_SLOT_MIN_N_OWNED - 1 <= PAGE_DIR_SLOT_MAX_N_OWNED); - - if (up_n_owned > PAGE_DIR_SLOT_MIN_N_OWNED) { - - /* In this case we can just transfer one record owned - by the upper slot to the property of the lower slot */ - old_rec = (rec_t*) page_dir_slot_get_rec(slot); - - if (page_is_comp(page)) { - new_rec = rec_get_next_ptr(old_rec, TRUE); - - rec_set_n_owned_new(old_rec, page_zip, 0); - rec_set_n_owned_new(new_rec, page_zip, n_owned + 1); - } else { - new_rec = rec_get_next_ptr(old_rec, FALSE); - - rec_set_n_owned_old(old_rec, 0); - rec_set_n_owned_old(new_rec, n_owned + 1); - } - - page_dir_slot_set_rec(slot, new_rec); - - page_dir_slot_set_n_owned(up_slot, page_zip, up_n_owned -1); - } else { - /* In this case we may merge the two slots */ - page_dir_delete_slot(page, page_zip, slot_no); - } -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Returns the middle record of the record list. If there are an even number -of records in the list, returns the first record of the upper half-list. -@return middle record */ -UNIV_INTERN -rec_t* -page_get_middle_rec( -/*================*/ - page_t* page) /*!< in: page */ -{ - page_dir_slot_t* slot; - ulint middle; - ulint i; - ulint n_owned; - ulint count; - rec_t* rec; - - /* This many records we must leave behind */ - middle = (page_get_n_recs(page) + PAGE_HEAP_NO_USER_LOW) / 2; - - count = 0; - - for (i = 0;; i++) { - - slot = page_dir_get_nth_slot(page, i); - n_owned = page_dir_slot_get_n_owned(slot); - - if (count + n_owned > middle) { - break; - } else { - count += n_owned; - } - } - - ut_ad(i > 0); - slot = page_dir_get_nth_slot(page, i - 1); - rec = (rec_t*) page_dir_slot_get_rec(slot); - rec = page_rec_get_next(rec); - - /* There are now count records behind rec */ - - for (i = 0; i < middle - count; i++) { - rec = page_rec_get_next(rec); - } - - return(rec); -} -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -Returns the number of records before the given record in chain. -The number includes infimum and supremum records. -@return number of records */ -UNIV_INTERN -ulint -page_rec_get_n_recs_before( -/*=======================*/ - const rec_t* rec) /*!< in: the physical record */ -{ - const page_dir_slot_t* slot; - const rec_t* slot_rec; - const page_t* page; - ulint i; - lint n = 0; - - ut_ad(page_rec_check(rec)); - - page = page_align(rec); - if (page_is_comp(page)) { - while (rec_get_n_owned_new(rec) == 0) { - - rec = rec_get_next_ptr_const(rec, TRUE); - n--; - } - - for (i = 0; ; i++) { - slot = page_dir_get_nth_slot(page, i); - slot_rec = page_dir_slot_get_rec(slot); - - n += rec_get_n_owned_new(slot_rec); - - if (rec == slot_rec) { - - break; - } - } - } else { - while (rec_get_n_owned_old(rec) == 0) { - - rec = rec_get_next_ptr_const(rec, FALSE); - n--; - } - - for (i = 0; ; i++) { - slot = page_dir_get_nth_slot(page, i); - slot_rec = page_dir_slot_get_rec(slot); - - n += rec_get_n_owned_old(slot_rec); - - if (rec == slot_rec) { - - break; - } - } - } - - n--; - - ut_ad(n >= 0); - - return((ulint) n); -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Prints record contents including the data relevant only in -the index page context. */ -UNIV_INTERN -void -page_rec_print( -/*===========*/ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: record descriptor */ -{ - ut_a(!page_rec_is_comp(rec) == !rec_offs_comp(offsets)); - rec_print_new(stderr, rec, offsets); - if (page_rec_is_comp(rec)) { - fprintf(stderr, - " n_owned: %lu; heap_no: %lu; next rec: %lu\n", - (ulong) rec_get_n_owned_new(rec), - (ulong) rec_get_heap_no_new(rec), - (ulong) rec_get_next_offs(rec, TRUE)); - } else { - fprintf(stderr, - " n_owned: %lu; heap_no: %lu; next rec: %lu\n", - (ulong) rec_get_n_owned_old(rec), - (ulong) rec_get_heap_no_old(rec), - (ulong) rec_get_next_offs(rec, TRUE)); - } - - page_rec_check(rec); - rec_validate(rec, offsets); -} - -/***************************************************************//** -This is used to print the contents of the directory for -debugging purposes. */ -UNIV_INTERN -void -page_dir_print( -/*===========*/ - page_t* page, /*!< in: index page */ - ulint pr_n) /*!< in: print n first and n last entries */ -{ - ulint n; - ulint i; - page_dir_slot_t* slot; - - n = page_dir_get_n_slots(page); - - fprintf(stderr, "--------------------------------\n" - "PAGE DIRECTORY\n" - "Page address %p\n" - "Directory stack top at offs: %lu; number of slots: %lu\n", - page, (ulong) page_offset(page_dir_get_nth_slot(page, n - 1)), - (ulong) n); - for (i = 0; i < n; i++) { - slot = page_dir_get_nth_slot(page, i); - if ((i == pr_n) && (i < n - pr_n)) { - fputs(" ... \n", stderr); - } - if ((i < pr_n) || (i >= n - pr_n)) { - fprintf(stderr, - "Contents of slot: %lu: n_owned: %lu," - " rec offs: %lu\n", - (ulong) i, - (ulong) page_dir_slot_get_n_owned(slot), - (ulong) - page_offset(page_dir_slot_get_rec(slot))); - } - } - fprintf(stderr, "Total of %lu records\n" - "--------------------------------\n", - (ulong) (PAGE_HEAP_NO_USER_LOW + page_get_n_recs(page))); -} - -/***************************************************************//** -This is used to print the contents of the page record list for -debugging purposes. */ -UNIV_INTERN -void -page_print_list( -/*============*/ - buf_block_t* block, /*!< in: index page */ - dict_index_t* index, /*!< in: dictionary index of the page */ - ulint pr_n) /*!< in: print n first and n last entries */ -{ - page_t* page = block->frame; - page_cur_t cur; - ulint count; - ulint n_recs; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_a((ibool)!!page_is_comp(page) == dict_table_is_comp(index->table)); - - fprintf(stderr, - "--------------------------------\n" - "PAGE RECORD LIST\n" - "Page address %p\n", page); - - n_recs = page_get_n_recs(page); - - page_cur_set_before_first(block, &cur); - count = 0; - for (;;) { - offsets = rec_get_offsets(cur.rec, index, offsets, - ULINT_UNDEFINED, &heap); - page_rec_print(cur.rec, offsets); - - if (count == pr_n) { - break; - } - if (page_cur_is_after_last(&cur)) { - break; - } - page_cur_move_to_next(&cur); - count++; - } - - if (n_recs > 2 * pr_n) { - fputs(" ... \n", stderr); - } - - while (!page_cur_is_after_last(&cur)) { - page_cur_move_to_next(&cur); - - if (count + pr_n >= n_recs) { - offsets = rec_get_offsets(cur.rec, index, offsets, - ULINT_UNDEFINED, &heap); - page_rec_print(cur.rec, offsets); - } - count++; - } - - fprintf(stderr, - "Total of %lu records \n" - "--------------------------------\n", - (ulong) (count + 1)); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/***************************************************************//** -Prints the info in a page header. */ -UNIV_INTERN -void -page_header_print( -/*==============*/ - const page_t* page) -{ - fprintf(stderr, - "--------------------------------\n" - "PAGE HEADER INFO\n" - "Page address %p, n records %lu (%s)\n" - "n dir slots %lu, heap top %lu\n" - "Page n heap %lu, free %lu, garbage %lu\n" - "Page last insert %lu, direction %lu, n direction %lu\n", - page, (ulong) page_header_get_field(page, PAGE_N_RECS), - page_is_comp(page) ? "compact format" : "original format", - (ulong) page_header_get_field(page, PAGE_N_DIR_SLOTS), - (ulong) page_header_get_field(page, PAGE_HEAP_TOP), - (ulong) page_dir_get_n_heap(page), - (ulong) page_header_get_field(page, PAGE_FREE), - (ulong) page_header_get_field(page, PAGE_GARBAGE), - (ulong) page_header_get_field(page, PAGE_LAST_INSERT), - (ulong) page_header_get_field(page, PAGE_DIRECTION), - (ulong) page_header_get_field(page, PAGE_N_DIRECTION)); -} - -/***************************************************************//** -This is used to print the contents of the page for -debugging purposes. */ -UNIV_INTERN -void -page_print( -/*=======*/ - buf_block_t* block, /*!< in: index page */ - dict_index_t* index, /*!< in: dictionary index of the page */ - ulint dn, /*!< in: print dn first and last entries - in directory */ - ulint rn) /*!< in: print rn first and last records - in directory */ -{ - page_t* page = block->frame; - - page_header_print(page); - page_dir_print(page, dn); - page_print_list(block, index, rn); -} -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -The following is used to validate a record on a page. This function -differs from rec_validate as it can also check the n_owned field and -the heap_no field. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_rec_validate( -/*==============*/ - rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint n_owned; - ulint heap_no; - page_t* page; - - page = page_align(rec); - ut_a(!page_is_comp(page) == !rec_offs_comp(offsets)); - - page_rec_check(rec); - rec_validate(rec, offsets); - - if (page_rec_is_comp(rec)) { - n_owned = rec_get_n_owned_new(rec); - heap_no = rec_get_heap_no_new(rec); - } else { - n_owned = rec_get_n_owned_old(rec); - heap_no = rec_get_heap_no_old(rec); - } - - if (UNIV_UNLIKELY(!(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED))) { - fprintf(stderr, - "InnoDB: Dir slot of rec %lu, n owned too big %lu\n", - (ulong) page_offset(rec), (ulong) n_owned); - return(FALSE); - } - - if (UNIV_UNLIKELY(!(heap_no < page_dir_get_n_heap(page)))) { - fprintf(stderr, - "InnoDB: Heap no of rec %lu too big %lu %lu\n", - (ulong) page_offset(rec), (ulong) heap_no, - (ulong) page_dir_get_n_heap(page)); - return(FALSE); - } - - return(TRUE); -} - -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Checks that the first directory slot points to the infimum record and -the last to the supremum. This function is intended to track if the -bug fixed in 4.0.14 has caused corruption to users' databases. */ -UNIV_INTERN -void -page_check_dir( -/*===========*/ - const page_t* page) /*!< in: index page */ -{ - ulint n_slots; - ulint infimum_offs; - ulint supremum_offs; - - n_slots = page_dir_get_n_slots(page); - infimum_offs = mach_read_from_2(page_dir_get_nth_slot(page, 0)); - supremum_offs = mach_read_from_2(page_dir_get_nth_slot(page, - n_slots - 1)); - - if (UNIV_UNLIKELY(!page_rec_is_infimum_low(infimum_offs))) { - - fprintf(stderr, - "InnoDB: Page directory corruption:" - " infimum not pointed to\n"); - buf_page_print(page, 0); - } - - if (UNIV_UNLIKELY(!page_rec_is_supremum_low(supremum_offs))) { - - fprintf(stderr, - "InnoDB: Page directory corruption:" - " supremum not pointed to\n"); - buf_page_print(page, 0); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -This function checks the consistency of an index page when we do not -know the index. This is also resilient so that this should never crash -even if the page is total garbage. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_simple_validate_old( -/*=====================*/ - page_t* page) /*!< in: old-style index page */ -{ - page_dir_slot_t* slot; - ulint slot_no; - ulint n_slots; - rec_t* rec; - byte* rec_heap_top; - ulint count; - ulint own_count; - ibool ret = FALSE; - - ut_a(!page_is_comp(page)); - - /* Check first that the record heap and the directory do not - overlap. */ - - n_slots = page_dir_get_n_slots(page); - - if (UNIV_UNLIKELY(n_slots > UNIV_PAGE_SIZE / 4)) { - fprintf(stderr, - "InnoDB: Nonsensical number %lu of page dir slots\n", - (ulong) n_slots); - - goto func_exit; - } - - rec_heap_top = page_header_get_ptr(page, PAGE_HEAP_TOP); - - if (UNIV_UNLIKELY(rec_heap_top - > page_dir_get_nth_slot(page, n_slots - 1))) { - - fprintf(stderr, - "InnoDB: Record heap and dir overlap on a page," - " heap top %lu, dir %lu\n", - (ulong) page_header_get_field(page, PAGE_HEAP_TOP), - (ulong) - page_offset(page_dir_get_nth_slot(page, n_slots - 1))); - - goto func_exit; - } - - /* Validate the record list in a loop checking also that it is - consistent with the page record directory. */ - - count = 0; - own_count = 1; - slot_no = 0; - slot = page_dir_get_nth_slot(page, slot_no); - - rec = page_get_infimum_rec(page); - - for (;;) { - if (UNIV_UNLIKELY(rec > rec_heap_top)) { - fprintf(stderr, - "InnoDB: Record %lu is above" - " rec heap top %lu\n", - (ulong)(rec - page), - (ulong)(rec_heap_top - page)); - - goto func_exit; - } - - if (UNIV_UNLIKELY(rec_get_n_owned_old(rec))) { - /* This is a record pointed to by a dir slot */ - if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) - != own_count)) { - - fprintf(stderr, - "InnoDB: Wrong owned count %lu, %lu," - " rec %lu\n", - (ulong) rec_get_n_owned_old(rec), - (ulong) own_count, - (ulong)(rec - page)); - - goto func_exit; - } - - if (UNIV_UNLIKELY - (page_dir_slot_get_rec(slot) != rec)) { - fprintf(stderr, - "InnoDB: Dir slot does not point" - " to right rec %lu\n", - (ulong)(rec - page)); - - goto func_exit; - } - - own_count = 0; - - if (!page_rec_is_supremum(rec)) { - slot_no++; - slot = page_dir_get_nth_slot(page, slot_no); - } - } - - if (page_rec_is_supremum(rec)) { - - break; - } - - if (UNIV_UNLIKELY - (rec_get_next_offs(rec, FALSE) < FIL_PAGE_DATA - || rec_get_next_offs(rec, FALSE) >= UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Next record offset" - " nonsensical %lu for rec %lu\n", - (ulong) rec_get_next_offs(rec, FALSE), - (ulong) (rec - page)); - - goto func_exit; - } - - count++; - - if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Page record list appears" - " to be circular %lu\n", - (ulong) count); - goto func_exit; - } - - rec = page_rec_get_next(rec); - own_count++; - } - - if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) == 0)) { - fprintf(stderr, "InnoDB: n owned is zero in a supremum rec\n"); - - goto func_exit; - } - - if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { - fprintf(stderr, "InnoDB: n slots wrong %lu, %lu\n", - (ulong) slot_no, (ulong) (n_slots - 1)); - goto func_exit; - } - - if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW - != count + 1)) { - fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", - (ulong) page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW, - (ulong) (count + 1)); - - goto func_exit; - } - - /* Check then the free list */ - rec = page_header_get_ptr(page, PAGE_FREE); - - while (rec != NULL) { - if (UNIV_UNLIKELY(rec < page + FIL_PAGE_DATA - || rec >= page + UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Free list record has" - " a nonsensical offset %lu\n", - (ulong) (rec - page)); - - goto func_exit; - } - - if (UNIV_UNLIKELY(rec > rec_heap_top)) { - fprintf(stderr, - "InnoDB: Free list record %lu" - " is above rec heap top %lu\n", - (ulong) (rec - page), - (ulong) (rec_heap_top - page)); - - goto func_exit; - } - - count++; - - if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Page free list appears" - " to be circular %lu\n", - (ulong) count); - goto func_exit; - } - - rec = page_rec_get_next(rec); - } - - if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { - - fprintf(stderr, "InnoDB: N heap is wrong %lu, %lu\n", - (ulong) page_dir_get_n_heap(page), - (ulong) (count + 1)); - - goto func_exit; - } - - ret = TRUE; - -func_exit: - return(ret); -} - -/***************************************************************//** -This function checks the consistency of an index page when we do not -know the index. This is also resilient so that this should never crash -even if the page is total garbage. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_simple_validate_new( -/*=====================*/ - page_t* page) /*!< in: new-style index page */ -{ - page_dir_slot_t* slot; - ulint slot_no; - ulint n_slots; - rec_t* rec; - byte* rec_heap_top; - ulint count; - ulint own_count; - ibool ret = FALSE; - - ut_a(page_is_comp(page)); - - /* Check first that the record heap and the directory do not - overlap. */ - - n_slots = page_dir_get_n_slots(page); - - if (UNIV_UNLIKELY(n_slots > UNIV_PAGE_SIZE / 4)) { - fprintf(stderr, - "InnoDB: Nonsensical number %lu" - " of page dir slots\n", (ulong) n_slots); - - goto func_exit; - } - - rec_heap_top = page_header_get_ptr(page, PAGE_HEAP_TOP); - - if (UNIV_UNLIKELY(rec_heap_top - > page_dir_get_nth_slot(page, n_slots - 1))) { - - fprintf(stderr, - "InnoDB: Record heap and dir overlap on a page," - " heap top %lu, dir %lu\n", - (ulong) page_header_get_field(page, PAGE_HEAP_TOP), - (ulong) - page_offset(page_dir_get_nth_slot(page, n_slots - 1))); - - goto func_exit; - } - - /* Validate the record list in a loop checking also that it is - consistent with the page record directory. */ - - count = 0; - own_count = 1; - slot_no = 0; - slot = page_dir_get_nth_slot(page, slot_no); - - rec = page_get_infimum_rec(page); - - for (;;) { - if (UNIV_UNLIKELY(rec > rec_heap_top)) { - fprintf(stderr, - "InnoDB: Record %lu is above rec" - " heap top %lu\n", - (ulong) page_offset(rec), - (ulong) page_offset(rec_heap_top)); - - goto func_exit; - } - - if (UNIV_UNLIKELY(rec_get_n_owned_new(rec))) { - /* This is a record pointed to by a dir slot */ - if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) - != own_count)) { - - fprintf(stderr, - "InnoDB: Wrong owned count %lu, %lu," - " rec %lu\n", - (ulong) rec_get_n_owned_new(rec), - (ulong) own_count, - (ulong) page_offset(rec)); - - goto func_exit; - } - - if (UNIV_UNLIKELY - (page_dir_slot_get_rec(slot) != rec)) { - fprintf(stderr, - "InnoDB: Dir slot does not point" - " to right rec %lu\n", - (ulong) page_offset(rec)); - - goto func_exit; - } - - own_count = 0; - - if (!page_rec_is_supremum(rec)) { - slot_no++; - slot = page_dir_get_nth_slot(page, slot_no); - } - } - - if (page_rec_is_supremum(rec)) { - - break; - } - - if (UNIV_UNLIKELY - (rec_get_next_offs(rec, TRUE) < FIL_PAGE_DATA - || rec_get_next_offs(rec, TRUE) >= UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Next record offset nonsensical %lu" - " for rec %lu\n", - (ulong) rec_get_next_offs(rec, TRUE), - (ulong) page_offset(rec)); - - goto func_exit; - } - - count++; - - if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Page record list appears" - " to be circular %lu\n", - (ulong) count); - goto func_exit; - } - - rec = page_rec_get_next(rec); - own_count++; - } - - if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) == 0)) { - fprintf(stderr, "InnoDB: n owned is zero" - " in a supremum rec\n"); - - goto func_exit; - } - - if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { - fprintf(stderr, "InnoDB: n slots wrong %lu, %lu\n", - (ulong) slot_no, (ulong) (n_slots - 1)); - goto func_exit; - } - - if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW - != count + 1)) { - fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", - (ulong) page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW, - (ulong) (count + 1)); - - goto func_exit; - } - - /* Check then the free list */ - rec = page_header_get_ptr(page, PAGE_FREE); - - while (rec != NULL) { - if (UNIV_UNLIKELY(rec < page + FIL_PAGE_DATA - || rec >= page + UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Free list record has" - " a nonsensical offset %lu\n", - (ulong) page_offset(rec)); - - goto func_exit; - } - - if (UNIV_UNLIKELY(rec > rec_heap_top)) { - fprintf(stderr, - "InnoDB: Free list record %lu" - " is above rec heap top %lu\n", - (ulong) page_offset(rec), - (ulong) page_offset(rec_heap_top)); - - goto func_exit; - } - - count++; - - if (UNIV_UNLIKELY(count > UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Page free list appears" - " to be circular %lu\n", - (ulong) count); - goto func_exit; - } - - rec = page_rec_get_next(rec); - } - - if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { - - fprintf(stderr, "InnoDB: N heap is wrong %lu, %lu\n", - (ulong) page_dir_get_n_heap(page), - (ulong) (count + 1)); - - goto func_exit; - } - - ret = TRUE; - -func_exit: - return(ret); -} - -/***************************************************************//** -This function checks the consistency of an index page. -@return TRUE if ok */ -UNIV_INTERN -ibool -page_validate( -/*==========*/ - page_t* page, /*!< in: index page */ - dict_index_t* index) /*!< in: data dictionary index containing - the page record type definition */ -{ - page_dir_slot_t*slot; - mem_heap_t* heap; - byte* buf; - ulint count; - ulint own_count; - ulint rec_own_count; - ulint slot_no; - ulint data_size; - rec_t* rec; - rec_t* old_rec = NULL; - ulint offs; - ulint n_slots; - ibool ret = FALSE; - ulint i; - ulint* offsets = NULL; - ulint* old_offsets = NULL; - - if (UNIV_UNLIKELY((ibool) !!page_is_comp(page) - != dict_table_is_comp(index->table))) { - fputs("InnoDB: 'compact format' flag mismatch\n", stderr); - goto func_exit2; - } - if (page_is_comp(page)) { - if (UNIV_UNLIKELY(!page_simple_validate_new(page))) { - goto func_exit2; - } - } else { - if (UNIV_UNLIKELY(!page_simple_validate_old(page))) { - goto func_exit2; - } - } - - heap = mem_heap_create(UNIV_PAGE_SIZE + 200); - - /* The following buffer is used to check that the - records in the page record heap do not overlap */ - - buf = mem_heap_zalloc(heap, UNIV_PAGE_SIZE); - - /* Check first that the record heap and the directory do not - overlap. */ - - n_slots = page_dir_get_n_slots(page); - - if (UNIV_UNLIKELY(!(page_header_get_ptr(page, PAGE_HEAP_TOP) - <= page_dir_get_nth_slot(page, n_slots - 1)))) { - - fprintf(stderr, - "InnoDB: Record heap and dir overlap" - " on space %lu page %lu index %s, %p, %p\n", - (ulong) page_get_space_id(page), - (ulong) page_get_page_no(page), index->name, - page_header_get_ptr(page, PAGE_HEAP_TOP), - page_dir_get_nth_slot(page, n_slots - 1)); - - goto func_exit; - } - - /* Validate the record list in a loop checking also that - it is consistent with the directory. */ - count = 0; - data_size = 0; - own_count = 1; - slot_no = 0; - slot = page_dir_get_nth_slot(page, slot_no); - - rec = page_get_infimum_rec(page); - - for (;;) { - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - if (page_is_comp(page) && page_rec_is_user_rec(rec) - && UNIV_UNLIKELY(rec_get_node_ptr_flag(rec) - == page_is_leaf(page))) { - fputs("InnoDB: node_ptr flag mismatch\n", stderr); - goto func_exit; - } - - if (UNIV_UNLIKELY(!page_rec_validate(rec, offsets))) { - goto func_exit; - } - -#ifndef UNIV_HOTBACKUP - /* Check that the records are in the ascending order */ - if (UNIV_LIKELY(count >= PAGE_HEAP_NO_USER_LOW) - && !page_rec_is_supremum(rec)) { - if (UNIV_UNLIKELY - (1 != cmp_rec_rec(rec, old_rec, - offsets, old_offsets, index))) { - fprintf(stderr, - "InnoDB: Records in wrong order" - " on space %lu page %lu index %s\n", - (ulong) page_get_space_id(page), - (ulong) page_get_page_no(page), - index->name); - fputs("\nInnoDB: previous record ", stderr); - rec_print_new(stderr, old_rec, old_offsets); - fputs("\nInnoDB: record ", stderr); - rec_print_new(stderr, rec, offsets); - putc('\n', stderr); - - goto func_exit; - } - } -#endif /* !UNIV_HOTBACKUP */ - - if (page_rec_is_user_rec(rec)) { - - data_size += rec_offs_size(offsets); - } - - offs = page_offset(rec_get_start(rec, offsets)); - - for (i = rec_offs_size(offsets); i--; ) { - if (UNIV_UNLIKELY(buf[offs + i])) { - /* No other record may overlap this */ - - fputs("InnoDB: Record overlaps another\n", - stderr); - goto func_exit; - } - - buf[offs + i] = 1; - } - - if (page_is_comp(page)) { - rec_own_count = rec_get_n_owned_new(rec); - } else { - rec_own_count = rec_get_n_owned_old(rec); - } - - if (UNIV_UNLIKELY(rec_own_count)) { - /* This is a record pointed to by a dir slot */ - if (UNIV_UNLIKELY(rec_own_count != own_count)) { - fprintf(stderr, - "InnoDB: Wrong owned count %lu, %lu\n", - (ulong) rec_own_count, - (ulong) own_count); - goto func_exit; - } - - if (page_dir_slot_get_rec(slot) != rec) { - fputs("InnoDB: Dir slot does not" - " point to right rec\n", - stderr); - goto func_exit; - } - - page_dir_slot_check(slot); - - own_count = 0; - if (!page_rec_is_supremum(rec)) { - slot_no++; - slot = page_dir_get_nth_slot(page, slot_no); - } - } - - if (page_rec_is_supremum(rec)) { - break; - } - - count++; - own_count++; - old_rec = rec; - rec = page_rec_get_next(rec); - - /* set old_offsets to offsets; recycle offsets */ - { - ulint* offs = old_offsets; - old_offsets = offsets; - offsets = offs; - } - } - - if (page_is_comp(page)) { - if (UNIV_UNLIKELY(rec_get_n_owned_new(rec) == 0)) { - - goto n_owned_zero; - } - } else if (UNIV_UNLIKELY(rec_get_n_owned_old(rec) == 0)) { -n_owned_zero: - fputs("InnoDB: n owned is zero\n", stderr); - goto func_exit; - } - - if (UNIV_UNLIKELY(slot_no != n_slots - 1)) { - fprintf(stderr, "InnoDB: n slots wrong %lu %lu\n", - (ulong) slot_no, (ulong) (n_slots - 1)); - goto func_exit; - } - - if (UNIV_UNLIKELY(page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW - != count + 1)) { - fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n", - (ulong) page_header_get_field(page, PAGE_N_RECS) - + PAGE_HEAP_NO_USER_LOW, - (ulong) (count + 1)); - goto func_exit; - } - - if (UNIV_UNLIKELY(data_size != page_get_data_size(page))) { - fprintf(stderr, - "InnoDB: Summed data size %lu, returned by func %lu\n", - (ulong) data_size, (ulong) page_get_data_size(page)); - goto func_exit; - } - - /* Check then the free list */ - rec = page_header_get_ptr(page, PAGE_FREE); - - while (rec != NULL) { - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - if (UNIV_UNLIKELY(!page_rec_validate(rec, offsets))) { - - goto func_exit; - } - - count++; - offs = page_offset(rec_get_start(rec, offsets)); - - for (i = rec_offs_size(offsets); i--; ) { - - if (UNIV_UNLIKELY(buf[offs + i])) { - fputs("InnoDB: Record overlaps another" - " in free list\n", stderr); - goto func_exit; - } - - buf[offs + i] = 1; - } - - rec = page_rec_get_next(rec); - } - - if (UNIV_UNLIKELY(page_dir_get_n_heap(page) != count + 1)) { - fprintf(stderr, "InnoDB: N heap is wrong %lu %lu\n", - (ulong) page_dir_get_n_heap(page), - (ulong) count + 1); - goto func_exit; - } - - ret = TRUE; - -func_exit: - mem_heap_free(heap); - - if (UNIV_UNLIKELY(ret == FALSE)) { -func_exit2: - fprintf(stderr, - "InnoDB: Apparent corruption" - " in space %lu page %lu index %s\n", - (ulong) page_get_space_id(page), - (ulong) page_get_page_no(page), - index->name); - buf_page_print(page, 0); - } - - return(ret); -} - -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Looks in the page record list for a record with the given heap number. -@return record, NULL if not found */ -UNIV_INTERN -const rec_t* -page_find_rec_with_heap_no( -/*=======================*/ - const page_t* page, /*!< in: index page */ - ulint heap_no)/*!< in: heap number */ -{ - const rec_t* rec; - - if (page_is_comp(page)) { - rec = page + PAGE_NEW_INFIMUM; - - for(;;) { - ulint rec_heap_no = rec_get_heap_no_new(rec); - - if (rec_heap_no == heap_no) { - - return(rec); - } else if (rec_heap_no == PAGE_HEAP_NO_SUPREMUM) { - - return(NULL); - } - - rec = page + rec_get_next_offs(rec, TRUE); - } - } else { - rec = page + PAGE_OLD_INFIMUM; - - for (;;) { - ulint rec_heap_no = rec_get_heap_no_old(rec); - - if (rec_heap_no == heap_no) { - - return(rec); - } else if (rec_heap_no == PAGE_HEAP_NO_SUPREMUM) { - - return(NULL); - } - - rec = page + rec_get_next_offs(rec, FALSE); - } - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/page/page0zip.c b/perfschema/page/page0zip.c deleted file mode 100644 index aa5e39ff04a..00000000000 --- a/perfschema/page/page0zip.c +++ /dev/null @@ -1,4667 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file page/page0zip.c -Compressed page interface - -Created June 2005 by Marko Makela -*******************************************************/ - -#define THIS_MODULE -#include "page0zip.h" -#ifdef UNIV_NONINL -# include "page0zip.ic" -#endif -#undef THIS_MODULE -#include "page0page.h" -#include "mtr0log.h" -#include "ut0sort.h" -#include "dict0dict.h" -#include "btr0cur.h" -#include "page0types.h" -#include "log0recv.h" -#include "zlib.h" -#ifndef UNIV_HOTBACKUP -# include "buf0lru.h" -# include "btr0sea.h" -# include "dict0boot.h" -# include "lock0lock.h" -#else /* !UNIV_HOTBACKUP */ -# define lock_move_reorganize_page(block, temp_block) ((void) 0) -# define buf_LRU_stat_inc_unzip() ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_HOTBACKUP -/** Statistics on compression, indexed by page_zip_des_t::ssize - 1 */ -UNIV_INTERN page_zip_stat_t page_zip_stat[PAGE_ZIP_NUM_SSIZE - 1]; -#endif /* !UNIV_HOTBACKUP */ - -/* Please refer to ../include/page0zip.ic for a description of the -compressed page format. */ - -/* The infimum and supremum records are omitted from the compressed page. -On compress, we compare that the records are there, and on uncompress we -restore the records. */ -/** Extra bytes of an infimum record */ -static const byte infimum_extra[] = { - 0x01, /* info_bits=0, n_owned=1 */ - 0x00, 0x02 /* heap_no=0, status=2 */ - /* ?, ? */ /* next=(first user rec, or supremum) */ -}; -/** Data bytes of an infimum record */ -static const byte infimum_data[] = { - 0x69, 0x6e, 0x66, 0x69, - 0x6d, 0x75, 0x6d, 0x00 /* "infimum\0" */ -}; -/** Extra bytes and data bytes of a supremum record */ -static const byte supremum_extra_data[] = { - /* 0x0?, */ /* info_bits=0, n_owned=1..8 */ - 0x00, 0x0b, /* heap_no=1, status=3 */ - 0x00, 0x00, /* next=0 */ - 0x73, 0x75, 0x70, 0x72, - 0x65, 0x6d, 0x75, 0x6d /* "supremum" */ -}; - -/** Assert that a block of memory is filled with zero bytes. -Compare at most sizeof(field_ref_zero) bytes. -@param b in: memory block -@param s in: size of the memory block, in bytes */ -#define ASSERT_ZERO(b, s) \ - ut_ad(!memcmp(b, field_ref_zero, ut_min(s, sizeof field_ref_zero))) -/** Assert that a BLOB pointer is filled with zero bytes. -@param b in: BLOB pointer */ -#define ASSERT_ZERO_BLOB(b) \ - ut_ad(!memcmp(b, field_ref_zero, sizeof field_ref_zero)) - -/* Enable some extra debugging output. This code can be enabled -independently of any UNIV_ debugging conditions. */ -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -# include -__attribute__((format (printf, 1, 2))) -/**********************************************************************//** -Report a failure to decompress or compress. -@return number of characters printed */ -static -int -page_zip_fail_func( -/*===============*/ - const char* fmt, /*!< in: printf(3) format string */ - ...) /*!< in: arguments corresponding to fmt */ -{ - int res; - va_list ap; - - ut_print_timestamp(stderr); - fputs(" InnoDB: ", stderr); - va_start(ap, fmt); - res = vfprintf(stderr, fmt, ap); - va_end(ap); - - return(res); -} -/** Wrapper for page_zip_fail_func() -@param fmt_args in: printf(3) format string and arguments */ -# define page_zip_fail(fmt_args) page_zip_fail_func fmt_args -#else /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -/** Dummy wrapper for page_zip_fail_func() -@param fmt_args ignored: printf(3) format string and arguments */ -# define page_zip_fail(fmt_args) /* empty */ -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Determine the guaranteed free space on an empty page. -@return minimum payload size on the page */ -UNIV_INTERN -ulint -page_zip_empty_size( -/*================*/ - ulint n_fields, /*!< in: number of columns in the index */ - ulint zip_size) /*!< in: compressed page size in bytes */ -{ - lint size = zip_size - /* subtract the page header and the longest - uncompressed data needed for one record */ - - (PAGE_DATA - + PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN - + 1/* encoded heap_no==2 in page_zip_write_rec() */ - + 1/* end of modification log */ - - REC_N_NEW_EXTRA_BYTES/* omitted bytes */) - /* subtract the space for page_zip_fields_encode() */ - - compressBound(2 * (n_fields + 1)); - return(size > 0 ? (ulint) size : 0); -} -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Gets the size of the compressed page trailer (the dense page directory), -including deleted records (the free list). -@return length of dense page directory, in bytes */ -UNIV_INLINE -ulint -page_zip_dir_size( -/*==============*/ - const page_zip_des_t* page_zip) /*!< in: compressed page */ -{ - /* Exclude the page infimum and supremum from the record count. */ - ulint size = PAGE_ZIP_DIR_SLOT_SIZE - * (page_dir_get_n_heap(page_zip->data) - - PAGE_HEAP_NO_USER_LOW); - return(size); -} - -/*************************************************************//** -Gets the size of the compressed page trailer (the dense page directory), -only including user records (excluding the free list). -@return length of dense page directory comprising existing records, in bytes */ -UNIV_INLINE -ulint -page_zip_dir_user_size( -/*===================*/ - const page_zip_des_t* page_zip) /*!< in: compressed page */ -{ - ulint size = PAGE_ZIP_DIR_SLOT_SIZE - * page_get_n_recs(page_zip->data); - ut_ad(size <= page_zip_dir_size(page_zip)); - return(size); -} - -/*************************************************************//** -Find the slot of the given record in the dense page directory. -@return dense directory slot, or NULL if record not found */ -UNIV_INLINE -byte* -page_zip_dir_find_low( -/*==================*/ - byte* slot, /*!< in: start of records */ - byte* end, /*!< in: end of records */ - ulint offset) /*!< in: offset of user record */ -{ - ut_ad(slot <= end); - - for (; slot < end; slot += PAGE_ZIP_DIR_SLOT_SIZE) { - if ((mach_read_from_2(slot) & PAGE_ZIP_DIR_SLOT_MASK) - == offset) { - return(slot); - } - } - - return(NULL); -} - -/*************************************************************//** -Find the slot of the given non-free record in the dense page directory. -@return dense directory slot, or NULL if record not found */ -UNIV_INLINE -byte* -page_zip_dir_find( -/*==============*/ - page_zip_des_t* page_zip, /*!< in: compressed page */ - ulint offset) /*!< in: offset of user record */ -{ - byte* end = page_zip->data + page_zip_get_size(page_zip); - - ut_ad(page_zip_simple_validate(page_zip)); - - return(page_zip_dir_find_low(end - page_zip_dir_user_size(page_zip), - end, - offset)); -} - -/*************************************************************//** -Find the slot of the given free record in the dense page directory. -@return dense directory slot, or NULL if record not found */ -UNIV_INLINE -byte* -page_zip_dir_find_free( -/*===================*/ - page_zip_des_t* page_zip, /*!< in: compressed page */ - ulint offset) /*!< in: offset of user record */ -{ - byte* end = page_zip->data + page_zip_get_size(page_zip); - - ut_ad(page_zip_simple_validate(page_zip)); - - return(page_zip_dir_find_low(end - page_zip_dir_size(page_zip), - end - page_zip_dir_user_size(page_zip), - offset)); -} - -/*************************************************************//** -Read a given slot in the dense page directory. -@return record offset on the uncompressed page, possibly ORed with -PAGE_ZIP_DIR_SLOT_DEL or PAGE_ZIP_DIR_SLOT_OWNED */ -UNIV_INLINE -ulint -page_zip_dir_get( -/*=============*/ - const page_zip_des_t* page_zip, /*!< in: compressed page */ - ulint slot) /*!< in: slot - (0=first user record) */ -{ - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(slot < page_zip_dir_size(page_zip) / PAGE_ZIP_DIR_SLOT_SIZE); - return(mach_read_from_2(page_zip->data + page_zip_get_size(page_zip) - - PAGE_ZIP_DIR_SLOT_SIZE * (slot + 1))); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Write a log record of compressing an index page. */ -static -void -page_zip_compress_write_log( -/*========================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const page_t* page, /*!< in: uncompressed page */ - dict_index_t* index, /*!< in: index of the B-tree node */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - byte* log_ptr; - ulint trailer_size; - - ut_ad(!dict_index_is_ibuf(index)); - - log_ptr = mlog_open(mtr, 11 + 2 + 2); - - if (!log_ptr) { - - return; - } - - /* Read the number of user records. */ - trailer_size = page_dir_get_n_heap(page_zip->data) - - PAGE_HEAP_NO_USER_LOW; - /* Multiply by uncompressed of size stored per record */ - if (!page_is_leaf(page)) { - trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE; - } else if (dict_index_is_clust(index)) { - trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - } else { - trailer_size *= PAGE_ZIP_DIR_SLOT_SIZE; - } - /* Add the space occupied by BLOB pointers. */ - trailer_size += page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; - ut_a(page_zip->m_end > PAGE_DATA); -#if FIL_PAGE_DATA > PAGE_DATA -# error "FIL_PAGE_DATA > PAGE_DATA" -#endif - ut_a(page_zip->m_end + trailer_size <= page_zip_get_size(page_zip)); - - log_ptr = mlog_write_initial_log_record_fast((page_t*) page, - MLOG_ZIP_PAGE_COMPRESS, - log_ptr, mtr); - mach_write_to_2(log_ptr, page_zip->m_end - FIL_PAGE_TYPE); - log_ptr += 2; - mach_write_to_2(log_ptr, trailer_size); - log_ptr += 2; - mlog_close(mtr, log_ptr); - - /* Write FIL_PAGE_PREV and FIL_PAGE_NEXT */ - mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_PREV, 4); - mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_NEXT, 4); - /* Write most of the page header, the compressed stream and - the modification log. */ - mlog_catenate_string(mtr, page_zip->data + FIL_PAGE_TYPE, - page_zip->m_end - FIL_PAGE_TYPE); - /* Write the uncompressed trailer of the compressed page. */ - mlog_catenate_string(mtr, page_zip->data + page_zip_get_size(page_zip) - - trailer_size, trailer_size); -} -#endif /* !UNIV_HOTBACKUP */ - -/******************************************************//** -Determine how many externally stored columns are contained -in existing records with smaller heap_no than rec. */ -static -ulint -page_zip_get_n_prev_extern( -/*=======================*/ - const page_zip_des_t* page_zip,/*!< in: dense page directory on - compressed page */ - const rec_t* rec, /*!< in: compact physical record - on a B-tree leaf page */ - dict_index_t* index) /*!< in: record descriptor */ -{ - const page_t* page = page_align(rec); - ulint n_ext = 0; - ulint i; - ulint left; - ulint heap_no; - ulint n_recs = page_get_n_recs(page_zip->data); - - ut_ad(page_is_leaf(page)); - ut_ad(page_is_comp(page)); - ut_ad(dict_table_is_comp(index->table)); - ut_ad(dict_index_is_clust(index)); - ut_ad(!dict_index_is_ibuf(index)); - - heap_no = rec_get_heap_no_new(rec); - ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); - left = heap_no - PAGE_HEAP_NO_USER_LOW; - if (UNIV_UNLIKELY(!left)) { - return(0); - } - - for (i = 0; i < n_recs; i++) { - const rec_t* r = page + (page_zip_dir_get(page_zip, i) - & PAGE_ZIP_DIR_SLOT_MASK); - - if (rec_get_heap_no_new(r) < heap_no) { - n_ext += rec_get_n_extern_new(r, index, - ULINT_UNDEFINED); - if (!--left) { - break; - } - } - } - - return(n_ext); -} - -/**********************************************************************//** -Encode the length of a fixed-length column. -@return buf + length of encoded val */ -static -byte* -page_zip_fixed_field_encode( -/*========================*/ - byte* buf, /*!< in: pointer to buffer where to write */ - ulint val) /*!< in: value to write */ -{ - ut_ad(val >= 2); - - if (UNIV_LIKELY(val < 126)) { - /* - 0 = nullable variable field of at most 255 bytes length; - 1 = not null variable field of at most 255 bytes length; - 126 = nullable variable field with maximum length >255; - 127 = not null variable field with maximum length >255 - */ - *buf++ = (byte) val; - } else { - *buf++ = (byte) (0x80 | val >> 8); - *buf++ = (byte) val; - } - - return(buf); -} - -/**********************************************************************//** -Write the index information for the compressed page. -@return used size of buf */ -static -ulint -page_zip_fields_encode( -/*===================*/ - ulint n, /*!< in: number of fields to compress */ - dict_index_t* index, /*!< in: index comprising at least n fields */ - ulint trx_id_pos,/*!< in: position of the trx_id column - in the index, or ULINT_UNDEFINED if - this is a non-leaf page */ - byte* buf) /*!< out: buffer of (n + 1) * 2 bytes */ -{ - const byte* buf_start = buf; - ulint i; - ulint col; - ulint trx_id_col = 0; - /* sum of lengths of preceding non-nullable fixed fields, or 0 */ - ulint fixed_sum = 0; - - ut_ad(trx_id_pos == ULINT_UNDEFINED || trx_id_pos < n); - - for (i = col = 0; i < n; i++) { - dict_field_t* field = dict_index_get_nth_field(index, i); - ulint val; - - if (dict_field_get_col(field)->prtype & DATA_NOT_NULL) { - val = 1; /* set the "not nullable" flag */ - } else { - val = 0; /* nullable field */ - } - - if (!field->fixed_len) { - /* variable-length field */ - const dict_col_t* column - = dict_field_get_col(field); - - if (UNIV_UNLIKELY(column->len > 255) - || UNIV_UNLIKELY(column->mtype == DATA_BLOB)) { - val |= 0x7e; /* max > 255 bytes */ - } - - if (fixed_sum) { - /* write out the length of any - preceding non-nullable fields */ - buf = page_zip_fixed_field_encode( - buf, fixed_sum << 1 | 1); - fixed_sum = 0; - col++; - } - - *buf++ = (byte) val; - col++; - } else if (val) { - /* fixed-length non-nullable field */ - - if (fixed_sum && UNIV_UNLIKELY - (fixed_sum + field->fixed_len - > DICT_MAX_INDEX_COL_LEN)) { - /* Write out the length of the - preceding non-nullable fields, - to avoid exceeding the maximum - length of a fixed-length column. */ - buf = page_zip_fixed_field_encode( - buf, fixed_sum << 1 | 1); - fixed_sum = 0; - col++; - } - - if (i && UNIV_UNLIKELY(i == trx_id_pos)) { - if (fixed_sum) { - /* Write out the length of any - preceding non-nullable fields, - and start a new trx_id column. */ - buf = page_zip_fixed_field_encode( - buf, fixed_sum << 1 | 1); - col++; - } - - trx_id_col = col; - fixed_sum = field->fixed_len; - } else { - /* add to the sum */ - fixed_sum += field->fixed_len; - } - } else { - /* fixed-length nullable field */ - - if (fixed_sum) { - /* write out the length of any - preceding non-nullable fields */ - buf = page_zip_fixed_field_encode( - buf, fixed_sum << 1 | 1); - fixed_sum = 0; - col++; - } - - buf = page_zip_fixed_field_encode( - buf, field->fixed_len << 1); - col++; - } - } - - if (fixed_sum) { - /* Write out the lengths of last fixed-length columns. */ - buf = page_zip_fixed_field_encode(buf, fixed_sum << 1 | 1); - } - - if (trx_id_pos != ULINT_UNDEFINED) { - /* Write out the position of the trx_id column */ - i = trx_id_col; - } else { - /* Write out the number of nullable fields */ - i = index->n_nullable; - } - - if (i < 128) { - *buf++ = (byte) i; - } else { - *buf++ = (byte) (0x80 | i >> 8); - *buf++ = (byte) i; - } - - ut_ad((ulint) (buf - buf_start) <= (n + 2) * 2); - return((ulint) (buf - buf_start)); -} - -/**********************************************************************//** -Populate the dense page directory from the sparse directory. */ -static -void -page_zip_dir_encode( -/*================*/ - const page_t* page, /*!< in: compact page */ - byte* buf, /*!< in: pointer to dense page directory[-1]; - out: dense directory on compressed page */ - const rec_t** recs) /*!< in: pointer to an array of 0, or NULL; - out: dense page directory sorted by ascending - address (and heap_no) */ -{ - const byte* rec; - ulint status; - ulint min_mark; - ulint heap_no; - ulint i; - ulint n_heap; - ulint offs; - - min_mark = 0; - - if (page_is_leaf(page)) { - status = REC_STATUS_ORDINARY; - } else { - status = REC_STATUS_NODE_PTR; - if (UNIV_UNLIKELY - (mach_read_from_4(page + FIL_PAGE_PREV) == FIL_NULL)) { - min_mark = REC_INFO_MIN_REC_FLAG; - } - } - - n_heap = page_dir_get_n_heap(page); - - /* Traverse the list of stored records in the collation order, - starting from the first user record. */ - - rec = page + PAGE_NEW_INFIMUM, TRUE; - - i = 0; - - for (;;) { - ulint info_bits; - offs = rec_get_next_offs(rec, TRUE); - if (UNIV_UNLIKELY(offs == PAGE_NEW_SUPREMUM)) { - break; - } - rec = page + offs; - heap_no = rec_get_heap_no_new(rec); - ut_a(heap_no >= PAGE_HEAP_NO_USER_LOW); - ut_a(heap_no < n_heap); - ut_a(offs < UNIV_PAGE_SIZE - PAGE_DIR); - ut_a(offs >= PAGE_ZIP_START); -#if PAGE_ZIP_DIR_SLOT_MASK & (PAGE_ZIP_DIR_SLOT_MASK + 1) -# error "PAGE_ZIP_DIR_SLOT_MASK is not 1 less than a power of 2" -#endif -#if PAGE_ZIP_DIR_SLOT_MASK < UNIV_PAGE_SIZE - 1 -# error "PAGE_ZIP_DIR_SLOT_MASK < UNIV_PAGE_SIZE - 1" -#endif - if (UNIV_UNLIKELY(rec_get_n_owned_new(rec))) { - offs |= PAGE_ZIP_DIR_SLOT_OWNED; - } - - info_bits = rec_get_info_bits(rec, TRUE); - if (UNIV_UNLIKELY(info_bits & REC_INFO_DELETED_FLAG)) { - info_bits &= ~REC_INFO_DELETED_FLAG; - offs |= PAGE_ZIP_DIR_SLOT_DEL; - } - ut_a(info_bits == min_mark); - /* Only the smallest user record can have - REC_INFO_MIN_REC_FLAG set. */ - min_mark = 0; - - mach_write_to_2(buf - PAGE_ZIP_DIR_SLOT_SIZE * ++i, offs); - - if (UNIV_LIKELY_NULL(recs)) { - /* Ensure that each heap_no occurs at most once. */ - ut_a(!recs[heap_no - PAGE_HEAP_NO_USER_LOW]); - /* exclude infimum and supremum */ - recs[heap_no - PAGE_HEAP_NO_USER_LOW] = rec; - } - - ut_a(rec_get_status(rec) == status); - } - - offs = page_header_get_field(page, PAGE_FREE); - - /* Traverse the free list (of deleted records). */ - while (offs) { - ut_ad(!(offs & ~PAGE_ZIP_DIR_SLOT_MASK)); - rec = page + offs; - - heap_no = rec_get_heap_no_new(rec); - ut_a(heap_no >= PAGE_HEAP_NO_USER_LOW); - ut_a(heap_no < n_heap); - - ut_a(!rec[-REC_N_NEW_EXTRA_BYTES]); /* info_bits and n_owned */ - ut_a(rec_get_status(rec) == status); - - mach_write_to_2(buf - PAGE_ZIP_DIR_SLOT_SIZE * ++i, offs); - - if (UNIV_LIKELY_NULL(recs)) { - /* Ensure that each heap_no occurs at most once. */ - ut_a(!recs[heap_no - PAGE_HEAP_NO_USER_LOW]); - /* exclude infimum and supremum */ - recs[heap_no - PAGE_HEAP_NO_USER_LOW] = rec; - } - - offs = rec_get_next_offs(rec, TRUE); - } - - /* Ensure that each heap no occurs at least once. */ - ut_a(i + PAGE_HEAP_NO_USER_LOW == n_heap); -} - -/**********************************************************************//** -Allocate memory for zlib. */ -static -void* -page_zip_malloc( -/*============*/ - void* opaque, /*!< in/out: memory heap */ - uInt items, /*!< in: number of items to allocate */ - uInt size) /*!< in: size of an item in bytes */ -{ - return(mem_heap_alloc(opaque, items * size)); -} - -/**********************************************************************//** -Deallocate memory for zlib. */ -static -void -page_zip_free( -/*==========*/ - void* opaque __attribute__((unused)), /*!< in: memory heap */ - void* address __attribute__((unused)))/*!< in: object to free */ -{ -} - -/**********************************************************************//** -Configure the zlib allocator to use the given memory heap. */ -UNIV_INTERN -void -page_zip_set_alloc( -/*===============*/ - void* stream, /*!< in/out: zlib stream */ - mem_heap_t* heap) /*!< in: memory heap to use */ -{ - z_stream* strm = stream; - - strm->zalloc = page_zip_malloc; - strm->zfree = page_zip_free; - strm->opaque = heap; -} - -#if 0 || defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG -/** Symbol for enabling compression and decompression diagnostics */ -# define PAGE_ZIP_COMPRESS_DBG -#endif - -#ifdef PAGE_ZIP_COMPRESS_DBG -/** Set this variable in a debugger to enable -excessive logging in page_zip_compress(). */ -UNIV_INTERN ibool page_zip_compress_dbg; -/** Set this variable in a debugger to enable -binary logging of the data passed to deflate(). -When this variable is nonzero, it will act -as a log file name generator. */ -UNIV_INTERN unsigned page_zip_compress_log; - -/**********************************************************************//** -Wrapper for deflate(). Log the operation if page_zip_compress_dbg is set. -@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ -static -int -page_zip_compress_deflate( -/*======================*/ - FILE* logfile,/*!< in: log file, or NULL */ - z_streamp strm, /*!< in/out: compressed stream for deflate() */ - int flush) /*!< in: deflate() flushing method */ -{ - int status; - if (UNIV_UNLIKELY(page_zip_compress_dbg)) { - ut_print_buf(stderr, strm->next_in, strm->avail_in); - } - if (UNIV_LIKELY_NULL(logfile)) { - fwrite(strm->next_in, 1, strm->avail_in, logfile); - } - status = deflate(strm, flush); - if (UNIV_UNLIKELY(page_zip_compress_dbg)) { - fprintf(stderr, " -> %d\n", status); - } - return(status); -} - -/* Redefine deflate(). */ -# undef deflate -/** Debug wrapper for the zlib compression routine deflate(). -Log the operation if page_zip_compress_dbg is set. -@param strm in/out: compressed stream -@param flush in: flushing method -@return deflate() status: Z_OK, Z_BUF_ERROR, ... */ -# define deflate(strm, flush) page_zip_compress_deflate(logfile, strm, flush) -/** Declaration of the logfile parameter */ -# define FILE_LOGFILE FILE* logfile, -/** The logfile parameter */ -# define LOGFILE logfile, -#else /* PAGE_ZIP_COMPRESS_DBG */ -/** Empty declaration of the logfile parameter */ -# define FILE_LOGFILE -/** Missing logfile parameter */ -# define LOGFILE -#endif /* PAGE_ZIP_COMPRESS_DBG */ - -/**********************************************************************//** -Compress the records of a node pointer page. -@return Z_OK, or a zlib error code */ -static -int -page_zip_compress_node_ptrs( -/*========================*/ - FILE_LOGFILE - z_stream* c_stream, /*!< in/out: compressed page stream */ - const rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense, /*!< in: size of recs[] */ - dict_index_t* index, /*!< in: the index of the page */ - byte* storage, /*!< in: end of dense page directory */ - mem_heap_t* heap) /*!< in: temporary memory heap */ -{ - int err = Z_OK; - ulint* offsets = NULL; - - do { - const rec_t* rec = *recs++; - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - /* Only leaf nodes may contain externally stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - /* Compress the extra bytes. */ - c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES - - c_stream->next_in; - - if (c_stream->avail_in) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - break; - } - } - ut_ad(!c_stream->avail_in); - - /* Compress the data bytes, except node_ptr. */ - c_stream->next_in = (byte*) rec; - c_stream->avail_in = rec_offs_data_size(offsets) - - REC_NODE_PTR_SIZE; - ut_ad(c_stream->avail_in); - - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - break; - } - - ut_ad(!c_stream->avail_in); - - memcpy(storage - REC_NODE_PTR_SIZE - * (rec_get_heap_no_new(rec) - 1), - c_stream->next_in, REC_NODE_PTR_SIZE); - c_stream->next_in += REC_NODE_PTR_SIZE; - } while (--n_dense); - - return(err); -} - -/**********************************************************************//** -Compress the records of a leaf node of a secondary index. -@return Z_OK, or a zlib error code */ -static -int -page_zip_compress_sec( -/*==================*/ - FILE_LOGFILE - z_stream* c_stream, /*!< in/out: compressed page stream */ - const rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense) /*!< in: size of recs[] */ -{ - int err = Z_OK; - - ut_ad(n_dense > 0); - - do { - const rec_t* rec = *recs++; - - /* Compress everything up to this record. */ - c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES - - c_stream->next_in; - - if (UNIV_LIKELY(c_stream->avail_in)) { - UNIV_MEM_ASSERT_RW(c_stream->next_in, - c_stream->avail_in); - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - break; - } - } - - ut_ad(!c_stream->avail_in); - ut_ad(c_stream->next_in == rec - REC_N_NEW_EXTRA_BYTES); - - /* Skip the REC_N_NEW_EXTRA_BYTES. */ - - c_stream->next_in = (byte*) rec; - } while (--n_dense); - - return(err); -} - -/**********************************************************************//** -Compress a record of a leaf node of a clustered index that contains -externally stored columns. -@return Z_OK, or a zlib error code */ -static -int -page_zip_compress_clust_ext( -/*========================*/ - FILE_LOGFILE - z_stream* c_stream, /*!< in/out: compressed page stream */ - const rec_t* rec, /*!< in: record */ - const ulint* offsets, /*!< in: rec_get_offsets(rec) */ - ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ - byte* deleted, /*!< in: dense directory entry pointing - to the head of the free list */ - byte* storage, /*!< in: end of dense page directory */ - byte** externs, /*!< in/out: pointer to the next - available BLOB pointer */ - ulint* n_blobs) /*!< in/out: number of - externally stored columns */ -{ - int err; - ulint i; - - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - ulint len; - const byte* src; - - if (UNIV_UNLIKELY(i == trx_id_col)) { - ut_ad(!rec_offs_nth_extern(offsets, i)); - /* Store trx_id and roll_ptr - in uncompressed form. */ - src = rec_get_nth_field(rec, offsets, i, &len); - ut_ad(src + DATA_TRX_ID_LEN - == rec_get_nth_field(rec, offsets, - i + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); - - /* Compress any preceding bytes. */ - c_stream->avail_in - = src - c_stream->next_in; - - if (c_stream->avail_in) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - - return(err); - } - } - - ut_ad(!c_stream->avail_in); - ut_ad(c_stream->next_in == src); - - memcpy(storage - - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - * (rec_get_heap_no_new(rec) - 1), - c_stream->next_in, - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - c_stream->next_in - += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - - /* Skip also roll_ptr */ - i++; - } else if (rec_offs_nth_extern(offsets, i)) { - src = rec_get_nth_field(rec, offsets, i, &len); - ut_ad(len >= BTR_EXTERN_FIELD_REF_SIZE); - src += len - BTR_EXTERN_FIELD_REF_SIZE; - - c_stream->avail_in = src - - c_stream->next_in; - if (UNIV_LIKELY(c_stream->avail_in)) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - - return(err); - } - } - - ut_ad(!c_stream->avail_in); - ut_ad(c_stream->next_in == src); - - /* Reserve space for the data at - the end of the space reserved for - the compressed data and the page - modification log. */ - - if (UNIV_UNLIKELY - (c_stream->avail_out - <= BTR_EXTERN_FIELD_REF_SIZE)) { - /* out of space */ - return(Z_BUF_ERROR); - } - - ut_ad(*externs == c_stream->next_out - + c_stream->avail_out - + 1/* end of modif. log */); - - c_stream->next_in - += BTR_EXTERN_FIELD_REF_SIZE; - - /* Skip deleted records. */ - if (UNIV_LIKELY_NULL - (page_zip_dir_find_low( - storage, deleted, - page_offset(rec)))) { - continue; - } - - (*n_blobs)++; - c_stream->avail_out - -= BTR_EXTERN_FIELD_REF_SIZE; - *externs -= BTR_EXTERN_FIELD_REF_SIZE; - - /* Copy the BLOB pointer */ - memcpy(*externs, c_stream->next_in - - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - } - } - - return(Z_OK); -} - -/**********************************************************************//** -Compress the records of a leaf node of a clustered index. -@return Z_OK, or a zlib error code */ -static -int -page_zip_compress_clust( -/*====================*/ - FILE_LOGFILE - z_stream* c_stream, /*!< in/out: compressed page stream */ - const rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense, /*!< in: size of recs[] */ - dict_index_t* index, /*!< in: the index of the page */ - ulint* n_blobs, /*!< in: 0; out: number of - externally stored columns */ - ulint trx_id_col, /*!< index of the trx_id column */ - byte* deleted, /*!< in: dense directory entry pointing - to the head of the free list */ - byte* storage, /*!< in: end of dense page directory */ - mem_heap_t* heap) /*!< in: temporary memory heap */ -{ - int err = Z_OK; - ulint* offsets = NULL; - /* BTR_EXTERN_FIELD_REF storage */ - byte* externs = storage - n_dense - * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - ut_ad(*n_blobs == 0); - - do { - const rec_t* rec = *recs++; - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - ut_ad(rec_offs_n_fields(offsets) - == dict_index_get_n_fields(index)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - /* Compress the extra bytes. */ - c_stream->avail_in = rec - REC_N_NEW_EXTRA_BYTES - - c_stream->next_in; - - if (c_stream->avail_in) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - - goto func_exit; - } - } - ut_ad(!c_stream->avail_in); - ut_ad(c_stream->next_in == rec - REC_N_NEW_EXTRA_BYTES); - - /* Compress the data bytes. */ - - c_stream->next_in = (byte*) rec; - - /* Check if there are any externally stored columns. - For each externally stored column, store the - BTR_EXTERN_FIELD_REF separately. */ - if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { - ut_ad(dict_index_is_clust(index)); - - err = page_zip_compress_clust_ext( - LOGFILE - c_stream, rec, offsets, trx_id_col, - deleted, storage, &externs, n_blobs); - - if (UNIV_UNLIKELY(err != Z_OK)) { - - goto func_exit; - } - } else { - ulint len; - const byte* src; - - /* Store trx_id and roll_ptr in uncompressed form. */ - src = rec_get_nth_field(rec, offsets, - trx_id_col, &len); - ut_ad(src + DATA_TRX_ID_LEN - == rec_get_nth_field(rec, offsets, - trx_id_col + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - /* Compress any preceding bytes. */ - c_stream->avail_in = src - c_stream->next_in; - - if (c_stream->avail_in) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - - return(err); - } - } - - ut_ad(!c_stream->avail_in); - ut_ad(c_stream->next_in == src); - - memcpy(storage - - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - * (rec_get_heap_no_new(rec) - 1), - c_stream->next_in, - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - c_stream->next_in - += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - - /* Skip also roll_ptr */ - ut_ad(trx_id_col + 1 < rec_offs_n_fields(offsets)); - } - - /* Compress the last bytes of the record. */ - c_stream->avail_in = rec + rec_offs_data_size(offsets) - - c_stream->next_in; - - if (c_stream->avail_in) { - err = deflate(c_stream, Z_NO_FLUSH); - if (UNIV_UNLIKELY(err != Z_OK)) { - - goto func_exit; - } - } - ut_ad(!c_stream->avail_in); - } while (--n_dense); - -func_exit: - return(err); -} - -/**********************************************************************//** -Compress a page. -@return TRUE on success, FALSE on failure; page_zip will be left -intact on failure. */ -UNIV_INTERN -ibool -page_zip_compress( -/*==============*/ - page_zip_des_t* page_zip,/*!< in: size; out: data, n_blobs, - m_start, m_end, m_nonempty */ - const page_t* page, /*!< in: uncompressed page */ - dict_index_t* index, /*!< in: index of the B-tree node */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ -{ - z_stream c_stream; - int err; - ulint n_fields;/* number of index fields needed */ - byte* fields; /*!< index field information */ - byte* buf; /*!< compressed payload of the page */ - byte* buf_end;/* end of buf */ - ulint n_dense; - ulint slot_size;/* amount of uncompressed bytes per record */ - const rec_t** recs; /*!< dense page directory, sorted by address */ - mem_heap_t* heap; - ulint trx_id_col; - ulint* offsets = NULL; - ulint n_blobs = 0; - byte* storage;/* storage of uncompressed columns */ -#ifndef UNIV_HOTBACKUP - ullint usec = ut_time_us(NULL); -#endif /* !UNIV_HOTBACKUP */ -#ifdef PAGE_ZIP_COMPRESS_DBG - FILE* logfile = NULL; -#endif - - ut_a(page_is_comp(page)); - ut_a(fil_page_get_type(page) == FIL_PAGE_INDEX); - ut_ad(page_simple_validate_new((page_t*) page)); - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(dict_table_is_comp(index->table)); - ut_ad(!dict_index_is_ibuf(index)); - - UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); - - /* Check the data that will be omitted. */ - ut_a(!memcmp(page + (PAGE_NEW_INFIMUM - REC_N_NEW_EXTRA_BYTES), - infimum_extra, sizeof infimum_extra)); - ut_a(!memcmp(page + PAGE_NEW_INFIMUM, - infimum_data, sizeof infimum_data)); - ut_a(page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] - /* info_bits == 0, n_owned <= max */ - <= PAGE_DIR_SLOT_MAX_N_OWNED); - ut_a(!memcmp(page + (PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES + 1), - supremum_extra_data, sizeof supremum_extra_data)); - - if (UNIV_UNLIKELY(!page_get_n_recs(page))) { - ut_a(rec_get_next_offs(page + PAGE_NEW_INFIMUM, TRUE) - == PAGE_NEW_SUPREMUM); - } - - if (page_is_leaf(page)) { - n_fields = dict_index_get_n_fields(index); - } else { - n_fields = dict_index_get_n_unique_in_tree(index); - } - - /* The dense directory excludes the infimum and supremum records. */ - n_dense = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; -#ifdef PAGE_ZIP_COMPRESS_DBG - if (UNIV_UNLIKELY(page_zip_compress_dbg)) { - fprintf(stderr, "compress %p %p %lu %lu %lu\n", - (void*) page_zip, (void*) page, - page_is_leaf(page), - n_fields, n_dense); - } - if (UNIV_UNLIKELY(page_zip_compress_log)) { - /* Create a log file for every compression attempt. */ - char logfilename[9]; - ut_snprintf(logfilename, sizeof logfilename, - "%08x", page_zip_compress_log++); - logfile = fopen(logfilename, "wb"); - - if (logfile) { - /* Write the uncompressed page to the log. */ - fwrite(page, 1, UNIV_PAGE_SIZE, logfile); - /* Record the compressed size as zero. - This will be overwritten at successful exit. */ - putc(0, logfile); - putc(0, logfile); - putc(0, logfile); - putc(0, logfile); - } - } -#endif /* PAGE_ZIP_COMPRESS_DBG */ -#ifndef UNIV_HOTBACKUP - page_zip_stat[page_zip->ssize - 1].compressed++; -#endif /* !UNIV_HOTBACKUP */ - - if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE - >= page_zip_get_size(page_zip))) { - - goto err_exit; - } - - heap = mem_heap_create(page_zip_get_size(page_zip) - + n_fields * (2 + sizeof *offsets) - + n_dense * ((sizeof *recs) - - PAGE_ZIP_DIR_SLOT_SIZE) - + UNIV_PAGE_SIZE * 4 - + (512 << MAX_MEM_LEVEL)); - - recs = mem_heap_zalloc(heap, n_dense * sizeof *recs); - - fields = mem_heap_alloc(heap, (n_fields + 1) * 2); - - buf = mem_heap_alloc(heap, page_zip_get_size(page_zip) - PAGE_DATA); - buf_end = buf + page_zip_get_size(page_zip) - PAGE_DATA; - - /* Compress the data payload. */ - page_zip_set_alloc(&c_stream, heap); - - err = deflateInit2(&c_stream, Z_DEFAULT_COMPRESSION, - Z_DEFLATED, UNIV_PAGE_SIZE_SHIFT, - MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY); - ut_a(err == Z_OK); - - c_stream.next_out = buf; - /* Subtract the space reserved for uncompressed data. */ - /* Page header and the end marker of the modification log */ - c_stream.avail_out = buf_end - buf - 1; - /* Dense page directory and uncompressed columns, if any */ - if (page_is_leaf(page)) { - if (dict_index_is_clust(index)) { - trx_id_col = dict_index_get_sys_col_pos( - index, DATA_TRX_ID); - ut_ad(trx_id_col > 0); - ut_ad(trx_id_col != ULINT_UNDEFINED); - - slot_size = PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - } else { - /* Signal the absence of trx_id - in page_zip_fields_encode() */ - ut_ad(dict_index_get_sys_col_pos(index, DATA_TRX_ID) - == ULINT_UNDEFINED); - trx_id_col = 0; - slot_size = PAGE_ZIP_DIR_SLOT_SIZE; - } - } else { - slot_size = PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE; - trx_id_col = ULINT_UNDEFINED; - } - - if (UNIV_UNLIKELY(c_stream.avail_out <= n_dense * slot_size - + 6/* sizeof(zlib header and footer) */)) { - goto zlib_error; - } - - c_stream.avail_out -= n_dense * slot_size; - c_stream.avail_in = page_zip_fields_encode(n_fields, index, - trx_id_col, fields); - c_stream.next_in = fields; - if (UNIV_LIKELY(!trx_id_col)) { - trx_id_col = ULINT_UNDEFINED; - } - - UNIV_MEM_ASSERT_RW(c_stream.next_in, c_stream.avail_in); - err = deflate(&c_stream, Z_FULL_FLUSH); - if (err != Z_OK) { - goto zlib_error; - } - - ut_ad(!c_stream.avail_in); - - page_zip_dir_encode(page, buf_end, recs); - - c_stream.next_in = (byte*) page + PAGE_ZIP_START; - - storage = buf_end - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; - - /* Compress the records in heap_no order. */ - if (UNIV_UNLIKELY(!n_dense)) { - } else if (!page_is_leaf(page)) { - /* This is a node pointer page. */ - err = page_zip_compress_node_ptrs(LOGFILE - &c_stream, recs, n_dense, - index, storage, heap); - if (UNIV_UNLIKELY(err != Z_OK)) { - goto zlib_error; - } - } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { - /* This is a leaf page in a secondary index. */ - err = page_zip_compress_sec(LOGFILE - &c_stream, recs, n_dense); - if (UNIV_UNLIKELY(err != Z_OK)) { - goto zlib_error; - } - } else { - /* This is a leaf page in a clustered index. */ - err = page_zip_compress_clust(LOGFILE - &c_stream, recs, n_dense, - index, &n_blobs, trx_id_col, - buf_end - PAGE_ZIP_DIR_SLOT_SIZE - * page_get_n_recs(page), - storage, heap); - if (UNIV_UNLIKELY(err != Z_OK)) { - goto zlib_error; - } - } - - /* Finish the compression. */ - ut_ad(!c_stream.avail_in); - /* Compress any trailing garbage, in case the last record was - allocated from an originally longer space on the free list, - or the data of the last record from page_zip_compress_sec(). */ - c_stream.avail_in - = page_header_get_field(page, PAGE_HEAP_TOP) - - (c_stream.next_in - page); - ut_a(c_stream.avail_in <= UNIV_PAGE_SIZE - PAGE_ZIP_START - PAGE_DIR); - - UNIV_MEM_ASSERT_RW(c_stream.next_in, c_stream.avail_in); - err = deflate(&c_stream, Z_FINISH); - - if (UNIV_UNLIKELY(err != Z_STREAM_END)) { -zlib_error: - deflateEnd(&c_stream); - mem_heap_free(heap); -err_exit: -#ifdef PAGE_ZIP_COMPRESS_DBG - if (logfile) { - fclose(logfile); - } -#endif /* PAGE_ZIP_COMPRESS_DBG */ -#ifndef UNIV_HOTBACKUP - page_zip_stat[page_zip->ssize - 1].compressed_usec - += ut_time_us(NULL) - usec; -#endif /* !UNIV_HOTBACKUP */ - return(FALSE); - } - - err = deflateEnd(&c_stream); - ut_a(err == Z_OK); - - ut_ad(buf + c_stream.total_out == c_stream.next_out); - ut_ad((ulint) (storage - c_stream.next_out) >= c_stream.avail_out); - - /* Valgrind believes that zlib does not initialize some bits - in the last 7 or 8 bytes of the stream. Make Valgrind happy. */ - UNIV_MEM_VALID(buf, c_stream.total_out); - - /* Zero out the area reserved for the modification log. - Space for the end marker of the modification log is not - included in avail_out. */ - memset(c_stream.next_out, 0, c_stream.avail_out + 1/* end marker */); - -#ifdef UNIV_DEBUG - page_zip->m_start = -#endif /* UNIV_DEBUG */ - page_zip->m_end = PAGE_DATA + c_stream.total_out; - page_zip->m_nonempty = FALSE; - page_zip->n_blobs = n_blobs; - /* Copy those header fields that will not be written - in buf_flush_init_for_writing() */ - memcpy(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, - FIL_PAGE_LSN - FIL_PAGE_PREV); - memcpy(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, 2); - memcpy(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, - PAGE_DATA - FIL_PAGE_DATA); - /* Copy the rest of the compressed page */ - memcpy(page_zip->data + PAGE_DATA, buf, - page_zip_get_size(page_zip) - PAGE_DATA); - mem_heap_free(heap); -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (mtr) { -#ifndef UNIV_HOTBACKUP - page_zip_compress_write_log(page_zip, page, index, mtr); -#endif /* !UNIV_HOTBACKUP */ - } - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - -#ifdef PAGE_ZIP_COMPRESS_DBG - if (logfile) { - /* Record the compressed size of the block. */ - byte sz[4]; - mach_write_to_4(sz, c_stream.total_out); - fseek(logfile, UNIV_PAGE_SIZE, SEEK_SET); - fwrite(sz, 1, sizeof sz, logfile); - fclose(logfile); - } -#endif /* PAGE_ZIP_COMPRESS_DBG */ -#ifndef UNIV_HOTBACKUP - { - page_zip_stat_t* zip_stat - = &page_zip_stat[page_zip->ssize - 1]; - zip_stat->compressed_ok++; - zip_stat->compressed_usec += ut_time_us(NULL) - usec; - } -#endif /* !UNIV_HOTBACKUP */ - - return(TRUE); -} - -/**********************************************************************//** -Compare two page directory entries. -@return positive if rec1 > rec2 */ -UNIV_INLINE -ibool -page_zip_dir_cmp( -/*=============*/ - const rec_t* rec1, /*!< in: rec1 */ - const rec_t* rec2) /*!< in: rec2 */ -{ - return(rec1 > rec2); -} - -/**********************************************************************//** -Sort the dense page directory by address (heap_no). */ -static -void -page_zip_dir_sort( -/*==============*/ - rec_t** arr, /*!< in/out: dense page directory */ - rec_t** aux_arr,/*!< in/out: work area */ - ulint low, /*!< in: lower bound of the sorting area, inclusive */ - ulint high) /*!< in: upper bound of the sorting area, exclusive */ -{ - UT_SORT_FUNCTION_BODY(page_zip_dir_sort, arr, aux_arr, low, high, - page_zip_dir_cmp); -} - -/**********************************************************************//** -Deallocate the index information initialized by page_zip_fields_decode(). */ -static -void -page_zip_fields_free( -/*=================*/ - dict_index_t* index) /*!< in: dummy index to be freed */ -{ - if (index) { - dict_table_t* table = index->table; - mem_heap_free(index->heap); - mutex_free(&(table->autoinc_mutex)); - mem_heap_free(table->heap); - } -} - -/**********************************************************************//** -Read the index information for the compressed page. -@return own: dummy index describing the page, or NULL on error */ -static -dict_index_t* -page_zip_fields_decode( -/*===================*/ - const byte* buf, /*!< in: index information */ - const byte* end, /*!< in: end of buf */ - ulint* trx_id_col)/*!< in: NULL for non-leaf pages; - for leaf pages, pointer to where to store - the position of the trx_id column */ -{ - const byte* b; - ulint n; - ulint i; - ulint val; - dict_table_t* table; - dict_index_t* index; - - /* Determine the number of fields. */ - for (b = buf, n = 0; b < end; n++) { - if (*b++ & 0x80) { - b++; /* skip the second byte */ - } - } - - n--; /* n_nullable or trx_id */ - - if (UNIV_UNLIKELY(n > REC_MAX_N_FIELDS)) { - - page_zip_fail(("page_zip_fields_decode: n = %lu\n", - (ulong) n)); - return(NULL); - } - - if (UNIV_UNLIKELY(b > end)) { - - page_zip_fail(("page_zip_fields_decode: %p > %p\n", - (const void*) b, (const void*) end)); - return(NULL); - } - - table = dict_mem_table_create("ZIP_DUMMY", DICT_HDR_SPACE, n, - DICT_TF_COMPACT); - index = dict_mem_index_create("ZIP_DUMMY", "ZIP_DUMMY", - DICT_HDR_SPACE, 0, n); - index->table = table; - index->n_uniq = n; - /* avoid ut_ad(index->cached) in dict_index_get_n_unique_in_tree */ - index->cached = TRUE; - - /* Initialize the fields. */ - for (b = buf, i = 0; i < n; i++) { - ulint mtype; - ulint len; - - val = *b++; - - if (UNIV_UNLIKELY(val & 0x80)) { - /* fixed length > 62 bytes */ - val = (val & 0x7f) << 8 | *b++; - len = val >> 1; - mtype = DATA_FIXBINARY; - } else if (UNIV_UNLIKELY(val >= 126)) { - /* variable length with max > 255 bytes */ - len = 0x7fff; - mtype = DATA_BINARY; - } else if (val <= 1) { - /* variable length with max <= 255 bytes */ - len = 0; - mtype = DATA_BINARY; - } else { - /* fixed length < 62 bytes */ - len = val >> 1; - mtype = DATA_FIXBINARY; - } - - dict_mem_table_add_col(table, NULL, NULL, mtype, - val & 1 ? DATA_NOT_NULL : 0, len); - dict_index_add_col(index, table, - dict_table_get_nth_col(table, i), 0); - } - - val = *b++; - if (UNIV_UNLIKELY(val & 0x80)) { - val = (val & 0x7f) << 8 | *b++; - } - - /* Decode the position of the trx_id column. */ - if (trx_id_col) { - if (!val) { - val = ULINT_UNDEFINED; - } else if (UNIV_UNLIKELY(val >= n)) { - page_zip_fields_free(index); - index = NULL; - } else { - index->type = DICT_CLUSTERED; - } - - *trx_id_col = val; - } else { - /* Decode the number of nullable fields. */ - if (UNIV_UNLIKELY(index->n_nullable > val)) { - page_zip_fields_free(index); - index = NULL; - } else { - index->n_nullable = val; - } - } - - ut_ad(b == end); - - return(index); -} - -/**********************************************************************//** -Populate the sparse page directory from the dense directory. -@return TRUE on success, FALSE on failure */ -static -ibool -page_zip_dir_decode( -/*================*/ - const page_zip_des_t* page_zip,/*!< in: dense page directory on - compressed page */ - page_t* page, /*!< in: compact page with valid header; - out: trailer and sparse page directory - filled in */ - rec_t** recs, /*!< out: dense page directory sorted by - ascending address (and heap_no) */ - rec_t** recs_aux,/*!< in/out: scratch area */ - ulint n_dense)/*!< in: number of user records, and - size of recs[] and recs_aux[] */ -{ - ulint i; - ulint n_recs; - byte* slot; - - n_recs = page_get_n_recs(page); - - if (UNIV_UNLIKELY(n_recs > n_dense)) { - page_zip_fail(("page_zip_dir_decode 1: %lu > %lu\n", - (ulong) n_recs, (ulong) n_dense)); - return(FALSE); - } - - /* Traverse the list of stored records in the sorting order, - starting from the first user record. */ - - slot = page + (UNIV_PAGE_SIZE - PAGE_DIR - PAGE_DIR_SLOT_SIZE); - UNIV_PREFETCH_RW(slot); - - /* Zero out the page trailer. */ - memset(slot + PAGE_DIR_SLOT_SIZE, 0, PAGE_DIR); - - mach_write_to_2(slot, PAGE_NEW_INFIMUM); - slot -= PAGE_DIR_SLOT_SIZE; - UNIV_PREFETCH_RW(slot); - - /* Initialize the sparse directory and copy the dense directory. */ - for (i = 0; i < n_recs; i++) { - ulint offs = page_zip_dir_get(page_zip, i); - - if (offs & PAGE_ZIP_DIR_SLOT_OWNED) { - mach_write_to_2(slot, offs & PAGE_ZIP_DIR_SLOT_MASK); - slot -= PAGE_DIR_SLOT_SIZE; - UNIV_PREFETCH_RW(slot); - } - - if (UNIV_UNLIKELY((offs & PAGE_ZIP_DIR_SLOT_MASK) - < PAGE_ZIP_START + REC_N_NEW_EXTRA_BYTES)) { - page_zip_fail(("page_zip_dir_decode 2: %u %u %lx\n", - (unsigned) i, (unsigned) n_recs, - (ulong) offs)); - return(FALSE); - } - - recs[i] = page + (offs & PAGE_ZIP_DIR_SLOT_MASK); - } - - mach_write_to_2(slot, PAGE_NEW_SUPREMUM); - { - const page_dir_slot_t* last_slot = page_dir_get_nth_slot( - page, page_dir_get_n_slots(page) - 1); - - if (UNIV_UNLIKELY(slot != last_slot)) { - page_zip_fail(("page_zip_dir_decode 3: %p != %p\n", - (const void*) slot, - (const void*) last_slot)); - return(FALSE); - } - } - - /* Copy the rest of the dense directory. */ - for (; i < n_dense; i++) { - ulint offs = page_zip_dir_get(page_zip, i); - - if (UNIV_UNLIKELY(offs & ~PAGE_ZIP_DIR_SLOT_MASK)) { - page_zip_fail(("page_zip_dir_decode 4: %u %u %lx\n", - (unsigned) i, (unsigned) n_dense, - (ulong) offs)); - return(FALSE); - } - - recs[i] = page + offs; - } - - if (UNIV_LIKELY(n_dense > 1)) { - page_zip_dir_sort(recs, recs_aux, 0, n_dense); - } - return(TRUE); -} - -/**********************************************************************//** -Initialize the REC_N_NEW_EXTRA_BYTES of each record. -@return TRUE on success, FALSE on failure */ -static -ibool -page_zip_set_extra_bytes( -/*=====================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - page_t* page, /*!< in/out: uncompressed page */ - ulint info_bits)/*!< in: REC_INFO_MIN_REC_FLAG or 0 */ -{ - ulint n; - ulint i; - ulint n_owned = 1; - ulint offs; - rec_t* rec; - - n = page_get_n_recs(page); - rec = page + PAGE_NEW_INFIMUM; - - for (i = 0; i < n; i++) { - offs = page_zip_dir_get(page_zip, i); - - if (UNIV_UNLIKELY(offs & PAGE_ZIP_DIR_SLOT_DEL)) { - info_bits |= REC_INFO_DELETED_FLAG; - } - if (UNIV_UNLIKELY(offs & PAGE_ZIP_DIR_SLOT_OWNED)) { - info_bits |= n_owned; - n_owned = 1; - } else { - n_owned++; - } - offs &= PAGE_ZIP_DIR_SLOT_MASK; - if (UNIV_UNLIKELY(offs < PAGE_ZIP_START - + REC_N_NEW_EXTRA_BYTES)) { - page_zip_fail(("page_zip_set_extra_bytes 1:" - " %u %u %lx\n", - (unsigned) i, (unsigned) n, - (ulong) offs)); - return(FALSE); - } - - rec_set_next_offs_new(rec, offs); - rec = page + offs; - rec[-REC_N_NEW_EXTRA_BYTES] = (byte) info_bits; - info_bits = 0; - } - - /* Set the next pointer of the last user record. */ - rec_set_next_offs_new(rec, PAGE_NEW_SUPREMUM); - - /* Set n_owned of the supremum record. */ - page[PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES] = (byte) n_owned; - - /* The dense directory excludes the infimum and supremum records. */ - n = page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW; - - if (i >= n) { - if (UNIV_LIKELY(i == n)) { - return(TRUE); - } - - page_zip_fail(("page_zip_set_extra_bytes 2: %u != %u\n", - (unsigned) i, (unsigned) n)); - return(FALSE); - } - - offs = page_zip_dir_get(page_zip, i); - - /* Set the extra bytes of deleted records on the free list. */ - for (;;) { - if (UNIV_UNLIKELY(!offs) - || UNIV_UNLIKELY(offs & ~PAGE_ZIP_DIR_SLOT_MASK)) { - - page_zip_fail(("page_zip_set_extra_bytes 3: %lx\n", - (ulong) offs)); - return(FALSE); - } - - rec = page + offs; - rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ - - if (++i == n) { - break; - } - - offs = page_zip_dir_get(page_zip, i); - rec_set_next_offs_new(rec, offs); - } - - /* Terminate the free list. */ - rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ - rec_set_next_offs_new(rec, 0); - - return(TRUE); -} - -/**********************************************************************//** -Apply the modification log to a record containing externally stored -columns. Do not copy the fields that are stored separately. -@return pointer to modification log, or NULL on failure */ -static -const byte* -page_zip_apply_log_ext( -/*===================*/ - rec_t* rec, /*!< in/out: record */ - const ulint* offsets, /*!< in: rec_get_offsets(rec) */ - ulint trx_id_col, /*!< in: position of of DB_TRX_ID */ - const byte* data, /*!< in: modification log */ - const byte* end) /*!< in: end of modification log */ -{ - ulint i; - ulint len; - byte* next_out = rec; - - /* Check if there are any externally stored columns. - For each externally stored column, skip the - BTR_EXTERN_FIELD_REF. */ - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - byte* dst; - - if (UNIV_UNLIKELY(i == trx_id_col)) { - /* Skip trx_id and roll_ptr */ - dst = rec_get_nth_field(rec, offsets, - i, &len); - if (UNIV_UNLIKELY(dst - next_out >= end - data) - || UNIV_UNLIKELY - (len < (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN)) - || rec_offs_nth_extern(offsets, i)) { - page_zip_fail(("page_zip_apply_log_ext:" - " trx_id len %lu," - " %p - %p >= %p - %p\n", - (ulong) len, - (const void*) dst, - (const void*) next_out, - (const void*) end, - (const void*) data)); - return(NULL); - } - - memcpy(next_out, data, dst - next_out); - data += dst - next_out; - next_out = dst + (DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN); - } else if (rec_offs_nth_extern(offsets, i)) { - dst = rec_get_nth_field(rec, offsets, - i, &len); - ut_ad(len - >= BTR_EXTERN_FIELD_REF_SIZE); - - len += dst - next_out - - BTR_EXTERN_FIELD_REF_SIZE; - - if (UNIV_UNLIKELY(data + len >= end)) { - page_zip_fail(("page_zip_apply_log_ext: " - "ext %p+%lu >= %p\n", - (const void*) data, - (ulong) len, - (const void*) end)); - return(NULL); - } - - memcpy(next_out, data, len); - data += len; - next_out += len - + BTR_EXTERN_FIELD_REF_SIZE; - } - } - - /* Copy the last bytes of the record. */ - len = rec_get_end(rec, offsets) - next_out; - if (UNIV_UNLIKELY(data + len >= end)) { - page_zip_fail(("page_zip_apply_log_ext: " - "last %p+%lu >= %p\n", - (const void*) data, - (ulong) len, - (const void*) end)); - return(NULL); - } - memcpy(next_out, data, len); - data += len; - - return(data); -} - -/**********************************************************************//** -Apply the modification log to an uncompressed page. -Do not copy the fields that are stored separately. -@return pointer to end of modification log, or NULL on failure */ -static -const byte* -page_zip_apply_log( -/*===============*/ - const byte* data, /*!< in: modification log */ - ulint size, /*!< in: maximum length of the log, in bytes */ - rec_t** recs, /*!< in: dense page directory, - sorted by address (indexed by - heap_no - PAGE_HEAP_NO_USER_LOW) */ - ulint n_dense,/*!< in: size of recs[] */ - ulint trx_id_col,/*!< in: column number of trx_id in the index, - or ULINT_UNDEFINED if none */ - ulint heap_status, - /*!< in: heap_no and status bits for - the next record to uncompress */ - dict_index_t* index, /*!< in: index of the page */ - ulint* offsets)/*!< in/out: work area for - rec_get_offsets_reverse() */ -{ - const byte* const end = data + size; - - for (;;) { - ulint val; - rec_t* rec; - ulint len; - ulint hs; - - val = *data++; - if (UNIV_UNLIKELY(!val)) { - return(data - 1); - } - if (val & 0x80) { - val = (val & 0x7f) << 8 | *data++; - if (UNIV_UNLIKELY(!val)) { - page_zip_fail(("page_zip_apply_log:" - " invalid val %x%x\n", - data[-2], data[-1])); - return(NULL); - } - } - if (UNIV_UNLIKELY(data >= end)) { - page_zip_fail(("page_zip_apply_log: %p >= %p\n", - (const void*) data, - (const void*) end)); - return(NULL); - } - if (UNIV_UNLIKELY((val >> 1) > n_dense)) { - page_zip_fail(("page_zip_apply_log: %lu>>1 > %lu\n", - (ulong) val, (ulong) n_dense)); - return(NULL); - } - - /* Determine the heap number and status bits of the record. */ - rec = recs[(val >> 1) - 1]; - - hs = ((val >> 1) + 1) << REC_HEAP_NO_SHIFT; - hs |= heap_status & ((1 << REC_HEAP_NO_SHIFT) - 1); - - /* This may either be an old record that is being - overwritten (updated in place, or allocated from - the free list), or a new record, with the next - available_heap_no. */ - if (UNIV_UNLIKELY(hs > heap_status)) { - page_zip_fail(("page_zip_apply_log: %lu > %lu\n", - (ulong) hs, (ulong) heap_status)); - return(NULL); - } else if (hs == heap_status) { - /* A new record was allocated from the heap. */ - if (UNIV_UNLIKELY(val & 1)) { - /* Only existing records may be cleared. */ - page_zip_fail(("page_zip_apply_log:" - " attempting to create" - " deleted rec %lu\n", - (ulong) hs)); - return(NULL); - } - heap_status += 1 << REC_HEAP_NO_SHIFT; - } - - mach_write_to_2(rec - REC_NEW_HEAP_NO, hs); - - if (val & 1) { - /* Clear the data bytes of the record. */ - mem_heap_t* heap = NULL; - ulint* offs; - offs = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - memset(rec, 0, rec_offs_data_size(offs)); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - continue; - } - -#if REC_STATUS_NODE_PTR != TRUE -# error "REC_STATUS_NODE_PTR != TRUE" -#endif - rec_get_offsets_reverse(data, index, - hs & REC_STATUS_NODE_PTR, - offsets); - rec_offs_make_valid(rec, index, offsets); - - /* Copy the extra bytes (backwards). */ - { - byte* start = rec_get_start(rec, offsets); - byte* b = rec - REC_N_NEW_EXTRA_BYTES; - while (b != start) { - *--b = *data++; - } - } - - /* Copy the data bytes. */ - if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { - /* Non-leaf nodes should not contain any - externally stored columns. */ - if (UNIV_UNLIKELY(hs & REC_STATUS_NODE_PTR)) { - page_zip_fail(("page_zip_apply_log: " - "%lu&REC_STATUS_NODE_PTR\n", - (ulong) hs)); - return(NULL); - } - - data = page_zip_apply_log_ext( - rec, offsets, trx_id_col, data, end); - - if (UNIV_UNLIKELY(!data)) { - return(NULL); - } - } else if (UNIV_UNLIKELY(hs & REC_STATUS_NODE_PTR)) { - len = rec_offs_data_size(offsets) - - REC_NODE_PTR_SIZE; - /* Copy the data bytes, except node_ptr. */ - if (UNIV_UNLIKELY(data + len >= end)) { - page_zip_fail(("page_zip_apply_log: " - "node_ptr %p+%lu >= %p\n", - (const void*) data, - (ulong) len, - (const void*) end)); - return(NULL); - } - memcpy(rec, data, len); - data += len; - } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { - len = rec_offs_data_size(offsets); - - /* Copy all data bytes of - a record in a secondary index. */ - if (UNIV_UNLIKELY(data + len >= end)) { - page_zip_fail(("page_zip_apply_log: " - "sec %p+%lu >= %p\n", - (const void*) data, - (ulong) len, - (const void*) end)); - return(NULL); - } - - memcpy(rec, data, len); - data += len; - } else { - /* Skip DB_TRX_ID and DB_ROLL_PTR. */ - ulint l = rec_get_nth_field_offs(offsets, - trx_id_col, &len); - byte* b; - - if (UNIV_UNLIKELY(data + l >= end) - || UNIV_UNLIKELY(len < (DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN))) { - page_zip_fail(("page_zip_apply_log: " - "trx_id %p+%lu >= %p\n", - (const void*) data, - (ulong) l, - (const void*) end)); - return(NULL); - } - - /* Copy any preceding data bytes. */ - memcpy(rec, data, l); - data += l; - - /* Copy any bytes following DB_TRX_ID, DB_ROLL_PTR. */ - b = rec + l + (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - len = rec_get_end(rec, offsets) - b; - if (UNIV_UNLIKELY(data + len >= end)) { - page_zip_fail(("page_zip_apply_log: " - "clust %p+%lu >= %p\n", - (const void*) data, - (ulong) len, - (const void*) end)); - return(NULL); - } - memcpy(b, data, len); - data += len; - } - } -} - -/**********************************************************************//** -Decompress the records of a node pointer page. -@return TRUE on success, FALSE on failure */ -static -ibool -page_zip_decompress_node_ptrs( -/*==========================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - z_stream* d_stream, /*!< in/out: compressed page stream */ - rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense, /*!< in: size of recs[] */ - dict_index_t* index, /*!< in: the index of the page */ - ulint* offsets, /*!< in/out: temporary offsets */ - mem_heap_t* heap) /*!< in: temporary memory heap */ -{ - ulint heap_status = REC_STATUS_NODE_PTR - | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; - ulint slot; - const byte* storage; - - /* Subtract the space reserved for uncompressed data. */ - d_stream->avail_in -= n_dense - * (PAGE_ZIP_DIR_SLOT_SIZE + REC_NODE_PTR_SIZE); - - /* Decompress the records in heap_no order. */ - for (slot = 0; slot < n_dense; slot++) { - rec_t* rec = recs[slot]; - - d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES - - d_stream->next_out; - - ut_ad(d_stream->avail_out < UNIV_PAGE_SIZE - - PAGE_ZIP_START - PAGE_DIR); - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - /* Apparently, n_dense has grown - since the time the page was last compressed. */ - goto zlib_done; - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_node_ptrs:" - " 1 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - - ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); - /* Prepare to decompress the data bytes. */ - d_stream->next_out = rec; - /* Set heap_no and the status bits. */ - mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); - heap_status += 1 << REC_HEAP_NO_SHIFT; - - /* Read the offsets. The status bits are needed here. */ - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - /* Non-leaf nodes should not have any externally - stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - - /* Decompress the data bytes, except node_ptr. */ - d_stream->avail_out = rec_offs_data_size(offsets) - - REC_NODE_PTR_SIZE; - - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - goto zlib_done; - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_node_ptrs:" - " 2 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - - /* Clear the node pointer in case the record - will be deleted and the space will be reallocated - to a smaller record. */ - memset(d_stream->next_out, 0, REC_NODE_PTR_SIZE); - d_stream->next_out += REC_NODE_PTR_SIZE; - - ut_ad(d_stream->next_out == rec_get_end(rec, offsets)); - } - - /* Decompress any trailing garbage, in case the last record was - allocated from an originally longer space on the free list. */ - d_stream->avail_out = page_header_get_field(page_zip->data, - PAGE_HEAP_TOP) - - page_offset(d_stream->next_out); - if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE - - PAGE_ZIP_START - PAGE_DIR)) { - - page_zip_fail(("page_zip_decompress_node_ptrs:" - " avail_out = %u\n", - d_stream->avail_out)); - goto zlib_error; - } - - if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { - page_zip_fail(("page_zip_decompress_node_ptrs:" - " inflate(Z_FINISH)=%s\n", - d_stream->msg)); -zlib_error: - inflateEnd(d_stream); - return(FALSE); - } - - /* Note that d_stream->avail_out > 0 may hold here - if the modification log is nonempty. */ - -zlib_done: - if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { - ut_error; - } - - { - page_t* page = page_align(d_stream->next_out); - - /* Clear the unused heap space on the uncompressed page. */ - memset(d_stream->next_out, 0, - page_dir_get_nth_slot(page, - page_dir_get_n_slots(page) - 1) - - d_stream->next_out); - } - -#ifdef UNIV_DEBUG - page_zip->m_start = PAGE_DATA + d_stream->total_in; -#endif /* UNIV_DEBUG */ - - /* Apply the modification log. */ - { - const byte* mod_log_ptr; - mod_log_ptr = page_zip_apply_log(d_stream->next_in, - d_stream->avail_in + 1, - recs, n_dense, - ULINT_UNDEFINED, heap_status, - index, offsets); - - if (UNIV_UNLIKELY(!mod_log_ptr)) { - return(FALSE); - } - page_zip->m_end = mod_log_ptr - page_zip->data; - page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; - } - - if (UNIV_UNLIKELY - (page_zip_get_trailer_len(page_zip, - dict_index_is_clust(index), NULL) - + page_zip->m_end >= page_zip_get_size(page_zip))) { - page_zip_fail(("page_zip_decompress_node_ptrs:" - " %lu + %lu >= %lu, %lu\n", - (ulong) page_zip_get_trailer_len( - page_zip, dict_index_is_clust(index), - NULL), - (ulong) page_zip->m_end, - (ulong) page_zip_get_size(page_zip), - (ulong) dict_index_is_clust(index))); - return(FALSE); - } - - /* Restore the uncompressed columns in heap_no order. */ - storage = page_zip->data + page_zip_get_size(page_zip) - - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; - - for (slot = 0; slot < n_dense; slot++) { - rec_t* rec = recs[slot]; - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - /* Non-leaf nodes should not have any externally - stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - storage -= REC_NODE_PTR_SIZE; - - memcpy(rec_get_end(rec, offsets) - REC_NODE_PTR_SIZE, - storage, REC_NODE_PTR_SIZE); - } - - return(TRUE); -} - -/**********************************************************************//** -Decompress the records of a leaf node of a secondary index. -@return TRUE on success, FALSE on failure */ -static -ibool -page_zip_decompress_sec( -/*====================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - z_stream* d_stream, /*!< in/out: compressed page stream */ - rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense, /*!< in: size of recs[] */ - dict_index_t* index, /*!< in: the index of the page */ - ulint* offsets) /*!< in/out: temporary offsets */ -{ - ulint heap_status = REC_STATUS_ORDINARY - | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; - ulint slot; - - ut_a(!dict_index_is_clust(index)); - - /* Subtract the space reserved for uncompressed data. */ - d_stream->avail_in -= n_dense * PAGE_ZIP_DIR_SLOT_SIZE; - - for (slot = 0; slot < n_dense; slot++) { - rec_t* rec = recs[slot]; - - /* Decompress everything up to this record. */ - d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES - - d_stream->next_out; - - if (UNIV_LIKELY(d_stream->avail_out)) { - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - /* Apparently, n_dense has grown - since the time the page was last compressed. */ - goto zlib_done; - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_sec:" - " inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - } - - ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); - - /* Skip the REC_N_NEW_EXTRA_BYTES. */ - - d_stream->next_out = rec; - - /* Set heap_no and the status bits. */ - mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); - heap_status += 1 << REC_HEAP_NO_SHIFT; - } - - /* Decompress the data of the last record and any trailing garbage, - in case the last record was allocated from an originally longer space - on the free list. */ - d_stream->avail_out = page_header_get_field(page_zip->data, - PAGE_HEAP_TOP) - - page_offset(d_stream->next_out); - if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE - - PAGE_ZIP_START - PAGE_DIR)) { - - page_zip_fail(("page_zip_decompress_sec:" - " avail_out = %u\n", - d_stream->avail_out)); - goto zlib_error; - } - - if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { - page_zip_fail(("page_zip_decompress_sec:" - " inflate(Z_FINISH)=%s\n", - d_stream->msg)); -zlib_error: - inflateEnd(d_stream); - return(FALSE); - } - - /* Note that d_stream->avail_out > 0 may hold here - if the modification log is nonempty. */ - -zlib_done: - if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { - ut_error; - } - - { - page_t* page = page_align(d_stream->next_out); - - /* Clear the unused heap space on the uncompressed page. */ - memset(d_stream->next_out, 0, - page_dir_get_nth_slot(page, - page_dir_get_n_slots(page) - 1) - - d_stream->next_out); - } - -#ifdef UNIV_DEBUG - page_zip->m_start = PAGE_DATA + d_stream->total_in; -#endif /* UNIV_DEBUG */ - - /* Apply the modification log. */ - { - const byte* mod_log_ptr; - mod_log_ptr = page_zip_apply_log(d_stream->next_in, - d_stream->avail_in + 1, - recs, n_dense, - ULINT_UNDEFINED, heap_status, - index, offsets); - - if (UNIV_UNLIKELY(!mod_log_ptr)) { - return(FALSE); - } - page_zip->m_end = mod_log_ptr - page_zip->data; - page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; - } - - if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, FALSE, NULL) - + page_zip->m_end >= page_zip_get_size(page_zip))) { - - page_zip_fail(("page_zip_decompress_sec: %lu + %lu >= %lu\n", - (ulong) page_zip_get_trailer_len( - page_zip, FALSE, NULL), - (ulong) page_zip->m_end, - (ulong) page_zip_get_size(page_zip))); - return(FALSE); - } - - /* There are no uncompressed columns on leaf pages of - secondary indexes. */ - - return(TRUE); -} - -/**********************************************************************//** -Decompress a record of a leaf node of a clustered index that contains -externally stored columns. -@return TRUE on success */ -static -ibool -page_zip_decompress_clust_ext( -/*==========================*/ - z_stream* d_stream, /*!< in/out: compressed page stream */ - rec_t* rec, /*!< in/out: record */ - const ulint* offsets, /*!< in: rec_get_offsets(rec) */ - ulint trx_id_col) /*!< in: position of of DB_TRX_ID */ -{ - ulint i; - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - ulint len; - byte* dst; - - if (UNIV_UNLIKELY(i == trx_id_col)) { - /* Skip trx_id and roll_ptr */ - dst = rec_get_nth_field(rec, offsets, i, &len); - if (UNIV_UNLIKELY(len < DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN)) { - - page_zip_fail(("page_zip_decompress_clust_ext:" - " len[%lu] = %lu\n", - (ulong) i, (ulong) len)); - return(FALSE); - } - - if (rec_offs_nth_extern(offsets, i)) { - - page_zip_fail(("page_zip_decompress_clust_ext:" - " DB_TRX_ID at %lu is ext\n", - (ulong) i)); - return(FALSE); - } - - d_stream->avail_out = dst - d_stream->next_out; - - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_clust_ext:" - " 1 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - return(FALSE); - } - - ut_ad(d_stream->next_out == dst); - - /* Clear DB_TRX_ID and DB_ROLL_PTR in order to - avoid uninitialized bytes in case the record - is affected by page_zip_apply_log(). */ - memset(dst, 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - d_stream->next_out += DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN; - } else if (rec_offs_nth_extern(offsets, i)) { - dst = rec_get_nth_field(rec, offsets, i, &len); - ut_ad(len >= BTR_EXTERN_FIELD_REF_SIZE); - dst += len - BTR_EXTERN_FIELD_REF_SIZE; - - d_stream->avail_out = dst - d_stream->next_out; - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_clust_ext:" - " 2 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - return(FALSE); - } - - ut_ad(d_stream->next_out == dst); - - /* Clear the BLOB pointer in case - the record will be deleted and the - space will not be reused. Note that - the final initialization of the BLOB - pointers (copying from "externs" - or clearing) will have to take place - only after the page modification log - has been applied. Otherwise, we - could end up with an uninitialized - BLOB pointer when a record is deleted, - reallocated and deleted. */ - memset(d_stream->next_out, 0, - BTR_EXTERN_FIELD_REF_SIZE); - d_stream->next_out - += BTR_EXTERN_FIELD_REF_SIZE; - } - } - - return(TRUE); -} - -/**********************************************************************//** -Compress the records of a leaf node of a clustered index. -@return TRUE on success, FALSE on failure */ -static -ibool -page_zip_decompress_clust( -/*======================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - z_stream* d_stream, /*!< in/out: compressed page stream */ - rec_t** recs, /*!< in: dense page directory - sorted by address */ - ulint n_dense, /*!< in: size of recs[] */ - dict_index_t* index, /*!< in: the index of the page */ - ulint trx_id_col, /*!< index of the trx_id column */ - ulint* offsets, /*!< in/out: temporary offsets */ - mem_heap_t* heap) /*!< in: temporary memory heap */ -{ - int err; - ulint slot; - ulint heap_status = REC_STATUS_ORDINARY - | PAGE_HEAP_NO_USER_LOW << REC_HEAP_NO_SHIFT; - const byte* storage; - const byte* externs; - - ut_a(dict_index_is_clust(index)); - - /* Subtract the space reserved for uncompressed data. */ - d_stream->avail_in -= n_dense * (PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN); - - /* Decompress the records in heap_no order. */ - for (slot = 0; slot < n_dense; slot++) { - rec_t* rec = recs[slot]; - - d_stream->avail_out = rec - REC_N_NEW_EXTRA_BYTES - - d_stream->next_out; - - ut_ad(d_stream->avail_out < UNIV_PAGE_SIZE - - PAGE_ZIP_START - PAGE_DIR); - err = inflate(d_stream, Z_SYNC_FLUSH); - switch (err) { - case Z_STREAM_END: - /* Apparently, n_dense has grown - since the time the page was last compressed. */ - goto zlib_done; - case Z_OK: - case Z_BUF_ERROR: - if (UNIV_LIKELY(!d_stream->avail_out)) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_clust:" - " 1 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - - ut_ad(d_stream->next_out == rec - REC_N_NEW_EXTRA_BYTES); - /* Prepare to decompress the data bytes. */ - d_stream->next_out = rec; - /* Set heap_no and the status bits. */ - mach_write_to_2(rec - REC_NEW_HEAP_NO, heap_status); - heap_status += 1 << REC_HEAP_NO_SHIFT; - - /* Read the offsets. The status bits are needed here. */ - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - /* This is a leaf page in a clustered index. */ - - /* Check if there are any externally stored columns. - For each externally stored column, restore the - BTR_EXTERN_FIELD_REF separately. */ - - if (UNIV_UNLIKELY(rec_offs_any_extern(offsets))) { - if (UNIV_UNLIKELY - (!page_zip_decompress_clust_ext( - d_stream, rec, offsets, trx_id_col))) { - - goto zlib_error; - } - } else { - /* Skip trx_id and roll_ptr */ - ulint len; - byte* dst = rec_get_nth_field(rec, offsets, - trx_id_col, &len); - if (UNIV_UNLIKELY(len < DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN)) { - - page_zip_fail(("page_zip_decompress_clust:" - " len = %lu\n", (ulong) len)); - goto zlib_error; - } - - d_stream->avail_out = dst - d_stream->next_out; - - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_clust:" - " 2 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - - ut_ad(d_stream->next_out == dst); - - /* Clear DB_TRX_ID and DB_ROLL_PTR in order to - avoid uninitialized bytes in case the record - is affected by page_zip_apply_log(). */ - memset(dst, 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - d_stream->next_out += DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN; - } - - /* Decompress the last bytes of the record. */ - d_stream->avail_out = rec_get_end(rec, offsets) - - d_stream->next_out; - - switch (inflate(d_stream, Z_SYNC_FLUSH)) { - case Z_STREAM_END: - case Z_OK: - case Z_BUF_ERROR: - if (!d_stream->avail_out) { - break; - } - /* fall through */ - default: - page_zip_fail(("page_zip_decompress_clust:" - " 3 inflate(Z_SYNC_FLUSH)=%s\n", - d_stream->msg)); - goto zlib_error; - } - } - - /* Decompress any trailing garbage, in case the last record was - allocated from an originally longer space on the free list. */ - d_stream->avail_out = page_header_get_field(page_zip->data, - PAGE_HEAP_TOP) - - page_offset(d_stream->next_out); - if (UNIV_UNLIKELY(d_stream->avail_out > UNIV_PAGE_SIZE - - PAGE_ZIP_START - PAGE_DIR)) { - - page_zip_fail(("page_zip_decompress_clust:" - " avail_out = %u\n", - d_stream->avail_out)); - goto zlib_error; - } - - if (UNIV_UNLIKELY(inflate(d_stream, Z_FINISH) != Z_STREAM_END)) { - page_zip_fail(("page_zip_decompress_clust:" - " inflate(Z_FINISH)=%s\n", - d_stream->msg)); -zlib_error: - inflateEnd(d_stream); - return(FALSE); - } - - /* Note that d_stream->avail_out > 0 may hold here - if the modification log is nonempty. */ - -zlib_done: - if (UNIV_UNLIKELY(inflateEnd(d_stream) != Z_OK)) { - ut_error; - } - - { - page_t* page = page_align(d_stream->next_out); - - /* Clear the unused heap space on the uncompressed page. */ - memset(d_stream->next_out, 0, - page_dir_get_nth_slot(page, - page_dir_get_n_slots(page) - 1) - - d_stream->next_out); - } - -#ifdef UNIV_DEBUG - page_zip->m_start = PAGE_DATA + d_stream->total_in; -#endif /* UNIV_DEBUG */ - - /* Apply the modification log. */ - { - const byte* mod_log_ptr; - mod_log_ptr = page_zip_apply_log(d_stream->next_in, - d_stream->avail_in + 1, - recs, n_dense, - trx_id_col, heap_status, - index, offsets); - - if (UNIV_UNLIKELY(!mod_log_ptr)) { - return(FALSE); - } - page_zip->m_end = mod_log_ptr - page_zip->data; - page_zip->m_nonempty = mod_log_ptr != d_stream->next_in; - } - - if (UNIV_UNLIKELY(page_zip_get_trailer_len(page_zip, TRUE, NULL) - + page_zip->m_end >= page_zip_get_size(page_zip))) { - - page_zip_fail(("page_zip_decompress_clust: %lu + %lu >= %lu\n", - (ulong) page_zip_get_trailer_len( - page_zip, TRUE, NULL), - (ulong) page_zip->m_end, - (ulong) page_zip_get_size(page_zip))); - return(FALSE); - } - - storage = page_zip->data + page_zip_get_size(page_zip) - - n_dense * PAGE_ZIP_DIR_SLOT_SIZE; - - externs = storage - n_dense - * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - /* Restore the uncompressed columns in heap_no order. */ - - for (slot = 0; slot < n_dense; slot++) { - ulint i; - ulint len; - byte* dst; - rec_t* rec = recs[slot]; - ibool exists = !page_zip_dir_find_free( - page_zip, page_offset(rec)); - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - dst = rec_get_nth_field(rec, offsets, - trx_id_col, &len); - ut_ad(len >= DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - storage -= DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - memcpy(dst, storage, - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - /* Check if there are any externally stored - columns in this record. For each externally - stored column, restore or clear the - BTR_EXTERN_FIELD_REF. */ - if (!rec_offs_any_extern(offsets)) { - continue; - } - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - if (!rec_offs_nth_extern(offsets, i)) { - continue; - } - dst = rec_get_nth_field(rec, offsets, i, &len); - - if (UNIV_UNLIKELY(len < BTR_EXTERN_FIELD_REF_SIZE)) { - page_zip_fail(("page_zip_decompress_clust:" - " %lu < 20\n", - (ulong) len)); - return(FALSE); - } - - dst += len - BTR_EXTERN_FIELD_REF_SIZE; - - if (UNIV_LIKELY(exists)) { - /* Existing record: - restore the BLOB pointer */ - externs -= BTR_EXTERN_FIELD_REF_SIZE; - - if (UNIV_UNLIKELY - (externs < page_zip->data - + page_zip->m_end)) { - page_zip_fail(("page_zip_" - "decompress_clust: " - "%p < %p + %lu\n", - (const void*) externs, - (const void*) - page_zip->data, - (ulong) - page_zip->m_end)); - return(FALSE); - } - - memcpy(dst, externs, - BTR_EXTERN_FIELD_REF_SIZE); - - page_zip->n_blobs++; - } else { - /* Deleted record: - clear the BLOB pointer */ - memset(dst, 0, - BTR_EXTERN_FIELD_REF_SIZE); - } - } - } - - return(TRUE); -} - -/**********************************************************************//** -Decompress a page. This function should tolerate errors on the compressed -page. Instead of letting assertions fail, it will return FALSE if an -inconsistency is detected. -@return TRUE on success, FALSE on failure */ -UNIV_INTERN -ibool -page_zip_decompress( -/*================*/ - page_zip_des_t* page_zip,/*!< in: data, ssize; - out: m_start, m_end, m_nonempty, n_blobs */ - page_t* page, /*!< out: uncompressed page, may be trashed */ - ibool all) /*!< in: TRUE=decompress the whole page; - FALSE=verify but do not copy some - page header fields that should not change - after page creation */ -{ - z_stream d_stream; - dict_index_t* index = NULL; - rec_t** recs; /*!< dense page directory, sorted by address */ - ulint n_dense;/* number of user records on the page */ - ulint trx_id_col = ULINT_UNDEFINED; - mem_heap_t* heap; - ulint* offsets; -#ifndef UNIV_HOTBACKUP - ullint usec = ut_time_us(NULL); -#endif /* !UNIV_HOTBACKUP */ - - ut_ad(page_zip_simple_validate(page_zip)); - UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - /* The dense directory excludes the infimum and supremum records. */ - n_dense = page_dir_get_n_heap(page_zip->data) - PAGE_HEAP_NO_USER_LOW; - if (UNIV_UNLIKELY(n_dense * PAGE_ZIP_DIR_SLOT_SIZE - >= page_zip_get_size(page_zip))) { - page_zip_fail(("page_zip_decompress 1: %lu %lu\n", - (ulong) n_dense, - (ulong) page_zip_get_size(page_zip))); - return(FALSE); - } - - heap = mem_heap_create(n_dense * (3 * sizeof *recs) + UNIV_PAGE_SIZE); - recs = mem_heap_alloc(heap, n_dense * (2 * sizeof *recs)); - - if (all) { - /* Copy the page header. */ - memcpy(page, page_zip->data, PAGE_DATA); - } else { - /* Check that the bytes that we skip are identical. */ -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - ut_a(!memcmp(FIL_PAGE_TYPE + page, - FIL_PAGE_TYPE + page_zip->data, - PAGE_HEADER - FIL_PAGE_TYPE)); - ut_a(!memcmp(PAGE_HEADER + PAGE_LEVEL + page, - PAGE_HEADER + PAGE_LEVEL + page_zip->data, - PAGE_DATA - (PAGE_HEADER + PAGE_LEVEL))); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ - - /* Copy the mutable parts of the page header. */ - memcpy(page, page_zip->data, FIL_PAGE_TYPE); - memcpy(PAGE_HEADER + page, PAGE_HEADER + page_zip->data, - PAGE_LEVEL - PAGE_N_DIR_SLOTS); - -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - /* Check that the page headers match after copying. */ - ut_a(!memcmp(page, page_zip->data, PAGE_DATA)); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ - } - -#ifdef UNIV_ZIP_DEBUG - /* Clear the uncompressed page, except the header. */ - memset(PAGE_DATA + page, 0x55, UNIV_PAGE_SIZE - PAGE_DATA); -#endif /* UNIV_ZIP_DEBUG */ - UNIV_MEM_INVALID(PAGE_DATA + page, UNIV_PAGE_SIZE - PAGE_DATA); - - /* Copy the page directory. */ - if (UNIV_UNLIKELY(!page_zip_dir_decode(page_zip, page, recs, - recs + n_dense, n_dense))) { -zlib_error: - mem_heap_free(heap); - return(FALSE); - } - - /* Copy the infimum and supremum records. */ - memcpy(page + (PAGE_NEW_INFIMUM - REC_N_NEW_EXTRA_BYTES), - infimum_extra, sizeof infimum_extra); - if (UNIV_UNLIKELY(!page_get_n_recs(page))) { - rec_set_next_offs_new(page + PAGE_NEW_INFIMUM, - PAGE_NEW_SUPREMUM); - } else { - rec_set_next_offs_new(page + PAGE_NEW_INFIMUM, - page_zip_dir_get(page_zip, 0) - & PAGE_ZIP_DIR_SLOT_MASK); - } - memcpy(page + PAGE_NEW_INFIMUM, infimum_data, sizeof infimum_data); - memcpy(page + (PAGE_NEW_SUPREMUM - REC_N_NEW_EXTRA_BYTES + 1), - supremum_extra_data, sizeof supremum_extra_data); - - page_zip_set_alloc(&d_stream, heap); - - if (UNIV_UNLIKELY(inflateInit2(&d_stream, UNIV_PAGE_SIZE_SHIFT) - != Z_OK)) { - ut_error; - } - - d_stream.next_in = page_zip->data + PAGE_DATA; - /* Subtract the space reserved for - the page header and the end marker of the modification log. */ - d_stream.avail_in = page_zip_get_size(page_zip) - (PAGE_DATA + 1); - - d_stream.next_out = page + PAGE_ZIP_START; - d_stream.avail_out = UNIV_PAGE_SIZE - PAGE_ZIP_START; - - /* Decode the zlib header and the index information. */ - if (UNIV_UNLIKELY(inflate(&d_stream, Z_BLOCK) != Z_OK)) { - - page_zip_fail(("page_zip_decompress:" - " 1 inflate(Z_BLOCK)=%s\n", d_stream.msg)); - goto zlib_error; - } - - if (UNIV_UNLIKELY(inflate(&d_stream, Z_BLOCK) != Z_OK)) { - - page_zip_fail(("page_zip_decompress:" - " 2 inflate(Z_BLOCK)=%s\n", d_stream.msg)); - goto zlib_error; - } - - index = page_zip_fields_decode( - page + PAGE_ZIP_START, d_stream.next_out, - page_is_leaf(page) ? &trx_id_col : NULL); - - if (UNIV_UNLIKELY(!index)) { - - goto zlib_error; - } - - /* Decompress the user records. */ - page_zip->n_blobs = 0; - d_stream.next_out = page + PAGE_ZIP_START; - - { - /* Pre-allocate the offsets for rec_get_offsets_reverse(). */ - ulint n = 1 + 1/* node ptr */ + REC_OFFS_HEADER_SIZE - + dict_index_get_n_fields(index); - offsets = mem_heap_alloc(heap, n * sizeof(ulint)); - *offsets = n; - } - - /* Decompress the records in heap_no order. */ - if (!page_is_leaf(page)) { - /* This is a node pointer page. */ - ulint info_bits; - - if (UNIV_UNLIKELY - (!page_zip_decompress_node_ptrs(page_zip, &d_stream, - recs, n_dense, index, - offsets, heap))) { - goto err_exit; - } - - info_bits = mach_read_from_4(page + FIL_PAGE_PREV) == FIL_NULL - ? REC_INFO_MIN_REC_FLAG : 0; - - if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, page, - info_bits))) { - goto err_exit; - } - } else if (UNIV_LIKELY(trx_id_col == ULINT_UNDEFINED)) { - /* This is a leaf page in a secondary index. */ - if (UNIV_UNLIKELY(!page_zip_decompress_sec(page_zip, &d_stream, - recs, n_dense, - index, offsets))) { - goto err_exit; - } - - if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, - page, 0))) { -err_exit: - page_zip_fields_free(index); - mem_heap_free(heap); - return(FALSE); - } - } else { - /* This is a leaf page in a clustered index. */ - if (UNIV_UNLIKELY(!page_zip_decompress_clust(page_zip, - &d_stream, recs, - n_dense, index, - trx_id_col, - offsets, heap))) { - goto err_exit; - } - - if (UNIV_UNLIKELY(!page_zip_set_extra_bytes(page_zip, - page, 0))) { - goto err_exit; - } - } - - ut_a(page_is_comp(page)); - UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); - - page_zip_fields_free(index); - mem_heap_free(heap); -#ifndef UNIV_HOTBACKUP - { - page_zip_stat_t* zip_stat - = &page_zip_stat[page_zip->ssize - 1]; - zip_stat->decompressed++; - zip_stat->decompressed_usec += ut_time_us(NULL) - usec; - } -#endif /* !UNIV_HOTBACKUP */ - - /* Update the stat counter for LRU policy. */ - buf_LRU_stat_inc_unzip(); - - return(TRUE); -} - -#ifdef UNIV_ZIP_DEBUG -/**********************************************************************//** -Dump a block of memory on the standard error stream. */ -static -void -page_zip_hexdump_func( -/*==================*/ - const char* name, /*!< in: name of the data structure */ - const void* buf, /*!< in: data */ - ulint size) /*!< in: length of the data, in bytes */ -{ - const byte* s = buf; - ulint addr; - const ulint width = 32; /* bytes per line */ - - fprintf(stderr, "%s:\n", name); - - for (addr = 0; addr < size; addr += width) { - ulint i; - - fprintf(stderr, "%04lx ", (ulong) addr); - - i = ut_min(width, size - addr); - - while (i--) { - fprintf(stderr, "%02x", *s++); - } - - putc('\n', stderr); - } -} - -/** Dump a block of memory on the standard error stream. -@param buf in: data -@param size in: length of the data, in bytes */ -#define page_zip_hexdump(buf, size) page_zip_hexdump_func(#buf, buf, size) - -/** Flag: make page_zip_validate() compare page headers only */ -UNIV_INTERN ibool page_zip_validate_header_only = FALSE; - -/**********************************************************************//** -Check that the compressed and decompressed pages match. -@return TRUE if valid, FALSE if not */ -UNIV_INTERN -ibool -page_zip_validate_low( -/*==================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const page_t* page, /*!< in: uncompressed page */ - ibool sloppy) /*!< in: FALSE=strict, - TRUE=ignore the MIN_REC_FLAG */ -{ - page_zip_des_t temp_page_zip; - byte* temp_page_buf; - page_t* temp_page; - ibool valid; - - if (memcmp(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, - FIL_PAGE_LSN - FIL_PAGE_PREV) - || memcmp(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, 2) - || memcmp(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, - PAGE_DATA - FIL_PAGE_DATA)) { - page_zip_fail(("page_zip_validate: page header\n")); - page_zip_hexdump(page_zip, sizeof *page_zip); - page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); - page_zip_hexdump(page, UNIV_PAGE_SIZE); - return(FALSE); - } - - ut_a(page_is_comp(page)); - - if (page_zip_validate_header_only) { - return(TRUE); - } - - /* page_zip_decompress() expects the uncompressed page to be - UNIV_PAGE_SIZE aligned. */ - temp_page_buf = ut_malloc(2 * UNIV_PAGE_SIZE); - temp_page = ut_align(temp_page_buf, UNIV_PAGE_SIZE); - -#ifdef UNIV_DEBUG_VALGRIND - /* Get detailed information on the valid bits in case the - UNIV_MEM_ASSERT_RW() checks fail. The v-bits of page[], - page_zip->data[] or page_zip could be viewed at temp_page[] or - temp_page_zip in a debugger when running valgrind --db-attach. */ - VALGRIND_GET_VBITS(page, temp_page, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); - VALGRIND_GET_VBITS(page_zip, &temp_page_zip, sizeof temp_page_zip); - UNIV_MEM_ASSERT_RW(page_zip, sizeof *page_zip); - VALGRIND_GET_VBITS(page_zip->data, temp_page, - page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); -#endif /* UNIV_DEBUG_VALGRIND */ - - temp_page_zip = *page_zip; - valid = page_zip_decompress(&temp_page_zip, temp_page, TRUE); - if (!valid) { - fputs("page_zip_validate(): failed to decompress\n", stderr); - goto func_exit; - } - if (page_zip->n_blobs != temp_page_zip.n_blobs) { - page_zip_fail(("page_zip_validate: n_blobs: %u!=%u\n", - page_zip->n_blobs, temp_page_zip.n_blobs)); - valid = FALSE; - } -#ifdef UNIV_DEBUG - if (page_zip->m_start != temp_page_zip.m_start) { - page_zip_fail(("page_zip_validate: m_start: %u!=%u\n", - page_zip->m_start, temp_page_zip.m_start)); - valid = FALSE; - } -#endif /* UNIV_DEBUG */ - if (page_zip->m_end != temp_page_zip.m_end) { - page_zip_fail(("page_zip_validate: m_end: %u!=%u\n", - page_zip->m_end, temp_page_zip.m_end)); - valid = FALSE; - } - if (page_zip->m_nonempty != temp_page_zip.m_nonempty) { - page_zip_fail(("page_zip_validate(): m_nonempty: %u!=%u\n", - page_zip->m_nonempty, - temp_page_zip.m_nonempty)); - valid = FALSE; - } - if (memcmp(page + PAGE_HEADER, temp_page + PAGE_HEADER, - UNIV_PAGE_SIZE - PAGE_HEADER - FIL_PAGE_DATA_END)) { - - /* In crash recovery, the "minimum record" flag may be - set incorrectly until the mini-transaction is - committed. Let us tolerate that difference when we - are performing a sloppy validation. */ - - if (sloppy) { - byte info_bits_diff; - ulint offset - = rec_get_next_offs(page + PAGE_NEW_INFIMUM, - TRUE); - ut_a(offset >= PAGE_NEW_SUPREMUM); - offset -= 5 /* REC_NEW_INFO_BITS */; - - info_bits_diff = page[offset] ^ temp_page[offset]; - - if (info_bits_diff == REC_INFO_MIN_REC_FLAG) { - temp_page[offset] = page[offset]; - - if (!memcmp(page + PAGE_HEADER, - temp_page + PAGE_HEADER, - UNIV_PAGE_SIZE - PAGE_HEADER - - FIL_PAGE_DATA_END)) { - - /* Only the minimum record flag - differed. Let us ignore it. */ - page_zip_fail(("page_zip_validate: " - "min_rec_flag " - "(ignored, " - "%lu,%lu,0x%02lx)\n", - page_get_space_id(page), - page_get_page_no(page), - (ulong) page[offset])); - goto func_exit; - } - } - } - page_zip_fail(("page_zip_validate: content\n")); - valid = FALSE; - } - -func_exit: - if (!valid) { - page_zip_hexdump(page_zip, sizeof *page_zip); - page_zip_hexdump(page_zip->data, page_zip_get_size(page_zip)); - page_zip_hexdump(page, UNIV_PAGE_SIZE); - page_zip_hexdump(temp_page, UNIV_PAGE_SIZE); - } - ut_free(temp_page_buf); - return(valid); -} - -/**********************************************************************//** -Check that the compressed and decompressed pages match. -@return TRUE if valid, FALSE if not */ -UNIV_INTERN -ibool -page_zip_validate( -/*==============*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const page_t* page) /*!< in: uncompressed page */ -{ - return(page_zip_validate_low(page_zip, page, - recv_recovery_is_on())); -} -#endif /* UNIV_ZIP_DEBUG */ - -#ifdef UNIV_DEBUG -/**********************************************************************//** -Assert that the compressed and decompressed page headers match. -@return TRUE */ -static -ibool -page_zip_header_cmp( -/*================*/ - const page_zip_des_t* page_zip,/*!< in: compressed page */ - const byte* page) /*!< in: uncompressed page */ -{ - ut_ad(!memcmp(page_zip->data + FIL_PAGE_PREV, page + FIL_PAGE_PREV, - FIL_PAGE_LSN - FIL_PAGE_PREV)); - ut_ad(!memcmp(page_zip->data + FIL_PAGE_TYPE, page + FIL_PAGE_TYPE, - 2)); - ut_ad(!memcmp(page_zip->data + FIL_PAGE_DATA, page + FIL_PAGE_DATA, - PAGE_DATA - FIL_PAGE_DATA)); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -/**********************************************************************//** -Write a record on the compressed page that contains externally stored -columns. The data must already have been written to the uncompressed page. -@return end of modification log */ -static -byte* -page_zip_write_rec_ext( -/*===================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - const page_t* page, /*!< in: page containing rec */ - const byte* rec, /*!< in: record being written */ - dict_index_t* index, /*!< in: record descriptor */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ - ulint create, /*!< in: nonzero=insert, zero=update */ - ulint trx_id_col, /*!< in: position of DB_TRX_ID */ - ulint heap_no, /*!< in: heap number of rec */ - byte* storage, /*!< in: end of dense page directory */ - byte* data) /*!< in: end of modification log */ -{ - const byte* start = rec; - ulint i; - ulint len; - byte* externs = storage; - ulint n_ext = rec_offs_n_extern(offsets); - - ut_ad(rec_offs_validate(rec, index, offsets)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - externs -= (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - * (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW); - - /* Note that this will not take into account - the BLOB columns of rec if create==TRUE. */ - ut_ad(data + rec_offs_data_size(offsets) - - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - - n_ext * BTR_EXTERN_FIELD_REF_SIZE - < externs - BTR_EXTERN_FIELD_REF_SIZE * page_zip->n_blobs); - - { - ulint blob_no = page_zip_get_n_prev_extern( - page_zip, rec, index); - byte* ext_end = externs - page_zip->n_blobs - * BTR_EXTERN_FIELD_REF_SIZE; - ut_ad(blob_no <= page_zip->n_blobs); - externs -= blob_no * BTR_EXTERN_FIELD_REF_SIZE; - - if (create) { - page_zip->n_blobs += n_ext; - ASSERT_ZERO_BLOB(ext_end - n_ext - * BTR_EXTERN_FIELD_REF_SIZE); - memmove(ext_end - n_ext - * BTR_EXTERN_FIELD_REF_SIZE, - ext_end, - externs - ext_end); - } - - ut_a(blob_no + n_ext <= page_zip->n_blobs); - } - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - const byte* src; - - if (UNIV_UNLIKELY(i == trx_id_col)) { - ut_ad(!rec_offs_nth_extern(offsets, - i)); - ut_ad(!rec_offs_nth_extern(offsets, - i + 1)); - /* Locate trx_id and roll_ptr. */ - src = rec_get_nth_field(rec, offsets, - i, &len); - ut_ad(len == DATA_TRX_ID_LEN); - ut_ad(src + DATA_TRX_ID_LEN - == rec_get_nth_field( - rec, offsets, - i + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); - - /* Log the preceding fields. */ - ASSERT_ZERO(data, src - start); - memcpy(data, start, src - start); - data += src - start; - start = src + (DATA_TRX_ID_LEN - + DATA_ROLL_PTR_LEN); - - /* Store trx_id and roll_ptr. */ - memcpy(storage - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - * (heap_no - 1), - src, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - i++; /* skip also roll_ptr */ - } else if (rec_offs_nth_extern(offsets, i)) { - src = rec_get_nth_field(rec, offsets, - i, &len); - - ut_ad(dict_index_is_clust(index)); - ut_ad(len - >= BTR_EXTERN_FIELD_REF_SIZE); - src += len - BTR_EXTERN_FIELD_REF_SIZE; - - ASSERT_ZERO(data, src - start); - memcpy(data, start, src - start); - data += src - start; - start = src + BTR_EXTERN_FIELD_REF_SIZE; - - /* Store the BLOB pointer. */ - externs -= BTR_EXTERN_FIELD_REF_SIZE; - ut_ad(data < externs); - memcpy(externs, src, BTR_EXTERN_FIELD_REF_SIZE); - } - } - - /* Log the last bytes of the record. */ - len = rec_offs_data_size(offsets) - (start - rec); - - ASSERT_ZERO(data, len); - memcpy(data, start, len); - data += len; - - return(data); -} - -/**********************************************************************//** -Write an entire record on the compressed page. The data must already -have been written to the uncompressed page. */ -UNIV_INTERN -void -page_zip_write_rec( -/*===============*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record being written */ - dict_index_t* index, /*!< in: the index the record belongs to */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint create) /*!< in: nonzero=insert, zero=update */ -{ - const page_t* page; - byte* data; - byte* storage; - ulint heap_no; - byte* slot; - - ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(page_zip_get_size(page_zip) - > PAGE_DATA + page_zip_dir_size(page_zip)); - ut_ad(rec_offs_comp(offsets)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - ut_ad(page_zip->m_start >= PAGE_DATA); - - page = page_align(rec); - - ut_ad(page_zip_header_cmp(page_zip, page)); - ut_ad(page_simple_validate_new((page_t*) page)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - slot = page_zip_dir_find(page_zip, page_offset(rec)); - ut_a(slot); - /* Copy the delete mark. */ - if (rec_get_deleted_flag(rec, TRUE)) { - *slot |= PAGE_ZIP_DIR_SLOT_DEL >> 8; - } else { - *slot &= ~(PAGE_ZIP_DIR_SLOT_DEL >> 8); - } - - ut_ad(rec_get_start((rec_t*) rec, offsets) >= page + PAGE_ZIP_START); - ut_ad(rec_get_end((rec_t*) rec, offsets) <= page + UNIV_PAGE_SIZE - - PAGE_DIR - PAGE_DIR_SLOT_SIZE - * page_dir_get_n_slots(page)); - - heap_no = rec_get_heap_no_new(rec); - ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); /* not infimum or supremum */ - ut_ad(heap_no < page_dir_get_n_heap(page)); - - /* Append to the modification log. */ - data = page_zip->data + page_zip->m_end; - ut_ad(!*data); - - /* Identify the record by writing its heap number - 1. - 0 is reserved to indicate the end of the modification log. */ - - if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { - *data++ = (byte) (0x80 | (heap_no - 1) >> 7); - ut_ad(!*data); - } - *data++ = (byte) ((heap_no - 1) << 1); - ut_ad(!*data); - - { - const byte* start = rec - rec_offs_extra_size(offsets); - const byte* b = rec - REC_N_NEW_EXTRA_BYTES; - - /* Write the extra bytes backwards, so that - rec_offs_extra_size() can be easily computed in - page_zip_apply_log() by invoking - rec_get_offsets_reverse(). */ - - while (b != start) { - *data++ = *--b; - ut_ad(!*data); - } - } - - /* Write the data bytes. Store the uncompressed bytes separately. */ - storage = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE; - - if (page_is_leaf(page)) { - ulint len; - - if (dict_index_is_clust(index)) { - ulint trx_id_col; - - trx_id_col = dict_index_get_sys_col_pos(index, - DATA_TRX_ID); - ut_ad(trx_id_col != ULINT_UNDEFINED); - - /* Store separately trx_id, roll_ptr and - the BTR_EXTERN_FIELD_REF of each BLOB column. */ - if (rec_offs_any_extern(offsets)) { - data = page_zip_write_rec_ext( - page_zip, page, - rec, index, offsets, create, - trx_id_col, heap_no, storage, data); - } else { - /* Locate trx_id and roll_ptr. */ - const byte* src - = rec_get_nth_field(rec, offsets, - trx_id_col, &len); - ut_ad(len == DATA_TRX_ID_LEN); - ut_ad(src + DATA_TRX_ID_LEN - == rec_get_nth_field( - rec, offsets, - trx_id_col + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); - - /* Log the preceding fields. */ - ASSERT_ZERO(data, src - rec); - memcpy(data, rec, src - rec); - data += src - rec; - - /* Store trx_id and roll_ptr. */ - memcpy(storage - - (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN) - * (heap_no - 1), - src, - DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - src += DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN; - - /* Log the last bytes of the record. */ - len = rec_offs_data_size(offsets) - - (src - rec); - - ASSERT_ZERO(data, len); - memcpy(data, src, len); - data += len; - } - } else { - /* Leaf page of a secondary index: - no externally stored columns */ - ut_ad(dict_index_get_sys_col_pos(index, DATA_TRX_ID) - == ULINT_UNDEFINED); - ut_ad(!rec_offs_any_extern(offsets)); - - /* Log the entire record. */ - len = rec_offs_data_size(offsets); - - ASSERT_ZERO(data, len); - memcpy(data, rec, len); - data += len; - } - } else { - /* This is a node pointer page. */ - ulint len; - - /* Non-leaf nodes should not have any externally - stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - - /* Copy the data bytes, except node_ptr. */ - len = rec_offs_data_size(offsets) - REC_NODE_PTR_SIZE; - ut_ad(data + len < storage - REC_NODE_PTR_SIZE - * (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW)); - ASSERT_ZERO(data, len); - memcpy(data, rec, len); - data += len; - - /* Copy the node pointer to the uncompressed area. */ - memcpy(storage - REC_NODE_PTR_SIZE - * (heap_no - 1), - rec + len, - REC_NODE_PTR_SIZE); - } - - ut_a(!*data); - ut_ad((ulint) (data - page_zip->data) < page_zip_get_size(page_zip)); - page_zip->m_end = data - page_zip->data; - page_zip->m_nonempty = TRUE; - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page_align(rec))); -#endif /* UNIV_ZIP_DEBUG */ -} - -/***********************************************************//** -Parses a log record of writing a BLOB pointer of a record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_blob_ptr( -/*==========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip)/*!< in/out: compressed page */ -{ - ulint offset; - ulint z_offset; - - ut_ad(!page == !page_zip); - - if (UNIV_UNLIKELY - (end_ptr < ptr + (2 + 2 + BTR_EXTERN_FIELD_REF_SIZE))) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - z_offset = mach_read_from_2(ptr + 2); - - if (UNIV_UNLIKELY(offset < PAGE_ZIP_START) - || UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) - || UNIV_UNLIKELY(z_offset >= UNIV_PAGE_SIZE)) { -corrupt: - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (page) { - if (UNIV_UNLIKELY(!page_zip) - || UNIV_UNLIKELY(!page_is_leaf(page))) { - - goto corrupt; - } - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - memcpy(page + offset, - ptr + 4, BTR_EXTERN_FIELD_REF_SIZE); - memcpy(page_zip->data + z_offset, - ptr + 4, BTR_EXTERN_FIELD_REF_SIZE); - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - } - - return(ptr + (2 + 2 + BTR_EXTERN_FIELD_REF_SIZE)); -} - -/**********************************************************************//** -Write a BLOB pointer of a record on the leaf page of a clustered index. -The information must already have been updated on the uncompressed page. */ -UNIV_INTERN -void -page_zip_write_blob_ptr( -/*====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in/out: record whose data is being - written */ - dict_index_t* index, /*!< in: index of the page */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint n, /*!< in: column index */ - mtr_t* mtr) /*!< in: mini-transaction handle, - or NULL if no logging is needed */ -{ - const byte* field; - byte* externs; - const page_t* page = page_align(rec); - ulint blob_no; - ulint len; - - ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); - ut_ad(page_simple_validate_new((page_t*) page)); - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(page_zip_get_size(page_zip) - > PAGE_DATA + page_zip_dir_size(page_zip)); - ut_ad(rec_offs_comp(offsets)); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(rec_offs_any_extern(offsets)); - ut_ad(rec_offs_nth_extern(offsets, n)); - - ut_ad(page_zip->m_start >= PAGE_DATA); - ut_ad(page_zip_header_cmp(page_zip, page)); - - ut_ad(page_is_leaf(page)); - ut_ad(dict_index_is_clust(index)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - blob_no = page_zip_get_n_prev_extern(page_zip, rec, index) - + rec_get_n_extern_new(rec, index, n); - ut_a(blob_no < page_zip->n_blobs); - - externs = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * (PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - field = rec_get_nth_field(rec, offsets, n, &len); - - externs -= (blob_no + 1) * BTR_EXTERN_FIELD_REF_SIZE; - field += len - BTR_EXTERN_FIELD_REF_SIZE; - - memcpy(externs, field, BTR_EXTERN_FIELD_REF_SIZE); - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - if (mtr) { -#ifndef UNIV_HOTBACKUP - byte* log_ptr = mlog_open( - mtr, 11 + 2 + 2 + BTR_EXTERN_FIELD_REF_SIZE); - if (UNIV_UNLIKELY(!log_ptr)) { - return; - } - - log_ptr = mlog_write_initial_log_record_fast( - (byte*) field, MLOG_ZIP_WRITE_BLOB_PTR, log_ptr, mtr); - mach_write_to_2(log_ptr, page_offset(field)); - log_ptr += 2; - mach_write_to_2(log_ptr, externs - page_zip->data); - log_ptr += 2; - memcpy(log_ptr, externs, BTR_EXTERN_FIELD_REF_SIZE); - log_ptr += BTR_EXTERN_FIELD_REF_SIZE; - mlog_close(mtr, log_ptr); -#endif /* !UNIV_HOTBACKUP */ - } -} - -/***********************************************************//** -Parses a log record of writing the node pointer of a record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_node_ptr( -/*==========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip)/*!< in/out: compressed page */ -{ - ulint offset; - ulint z_offset; - - ut_ad(!page == !page_zip); - - if (UNIV_UNLIKELY(end_ptr < ptr + (2 + 2 + REC_NODE_PTR_SIZE))) { - - return(NULL); - } - - offset = mach_read_from_2(ptr); - z_offset = mach_read_from_2(ptr + 2); - - if (UNIV_UNLIKELY(offset < PAGE_ZIP_START) - || UNIV_UNLIKELY(offset >= UNIV_PAGE_SIZE) - || UNIV_UNLIKELY(z_offset >= UNIV_PAGE_SIZE)) { -corrupt: - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (page) { - byte* storage_end; - byte* field; - byte* storage; - ulint heap_no; - - if (UNIV_UNLIKELY(!page_zip) - || UNIV_UNLIKELY(page_is_leaf(page))) { - - goto corrupt; - } - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - field = page + offset; - storage = page_zip->data + z_offset; - - storage_end = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE; - - heap_no = 1 + (storage_end - storage) / REC_NODE_PTR_SIZE; - - if (UNIV_UNLIKELY((storage_end - storage) % REC_NODE_PTR_SIZE) - || UNIV_UNLIKELY(heap_no < PAGE_HEAP_NO_USER_LOW) - || UNIV_UNLIKELY(heap_no >= page_dir_get_n_heap(page))) { - - goto corrupt; - } - - memcpy(field, ptr + 4, REC_NODE_PTR_SIZE); - memcpy(storage, ptr + 4, REC_NODE_PTR_SIZE); - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - } - - return(ptr + (2 + 2 + REC_NODE_PTR_SIZE)); -} - -/**********************************************************************//** -Write the node pointer of a record on a non-leaf compressed page. */ -UNIV_INTERN -void -page_zip_write_node_ptr( -/*====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in/out: record */ - ulint size, /*!< in: data size of rec */ - ulint ptr, /*!< in: node pointer */ - mtr_t* mtr) /*!< in: mini-transaction, or NULL */ -{ - byte* field; - byte* storage; - page_t* page = page_align(rec); - - ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); - ut_ad(page_simple_validate_new(page)); - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(page_zip_get_size(page_zip) - > PAGE_DATA + page_zip_dir_size(page_zip)); - ut_ad(page_rec_is_comp(rec)); - - ut_ad(page_zip->m_start >= PAGE_DATA); - ut_ad(page_zip_header_cmp(page_zip, page)); - - ut_ad(!page_is_leaf(page)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(rec, size); - - storage = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE - - (rec_get_heap_no_new(rec) - 1) * REC_NODE_PTR_SIZE; - field = rec + size - REC_NODE_PTR_SIZE; - -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - ut_a(!memcmp(storage, field, REC_NODE_PTR_SIZE)); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -#if REC_NODE_PTR_SIZE != 4 -# error "REC_NODE_PTR_SIZE != 4" -#endif - mach_write_to_4(field, ptr); - memcpy(storage, field, REC_NODE_PTR_SIZE); - - if (mtr) { -#ifndef UNIV_HOTBACKUP - byte* log_ptr = mlog_open(mtr, - 11 + 2 + 2 + REC_NODE_PTR_SIZE); - if (UNIV_UNLIKELY(!log_ptr)) { - return; - } - - log_ptr = mlog_write_initial_log_record_fast( - field, MLOG_ZIP_WRITE_NODE_PTR, log_ptr, mtr); - mach_write_to_2(log_ptr, page_offset(field)); - log_ptr += 2; - mach_write_to_2(log_ptr, storage - page_zip->data); - log_ptr += 2; - memcpy(log_ptr, field, REC_NODE_PTR_SIZE); - log_ptr += REC_NODE_PTR_SIZE; - mlog_close(mtr, log_ptr); -#endif /* !UNIV_HOTBACKUP */ - } -} - -/**********************************************************************//** -Write the trx_id and roll_ptr of a record on a B-tree leaf node page. */ -UNIV_INTERN -void -page_zip_write_trx_id_and_roll_ptr( -/*===============================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in/out: record */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint trx_id_col,/*!< in: column number of TRX_ID in rec */ - trx_id_t trx_id, /*!< in: transaction identifier */ - roll_ptr_t roll_ptr)/*!< in: roll_ptr */ -{ - byte* field; - byte* storage; - page_t* page = page_align(rec); - ulint len; - - ut_ad(PAGE_ZIP_MATCH(rec, page_zip)); - ut_ad(page_simple_validate_new(page)); - ut_ad(page_zip_simple_validate(page_zip)); - ut_ad(page_zip_get_size(page_zip) - > PAGE_DATA + page_zip_dir_size(page_zip)); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_ad(rec_offs_comp(offsets)); - - ut_ad(page_zip->m_start >= PAGE_DATA); - ut_ad(page_zip_header_cmp(page_zip, page)); - - ut_ad(page_is_leaf(page)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - storage = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE - - (rec_get_heap_no_new(rec) - 1) - * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - -#if DATA_TRX_ID + 1 != DATA_ROLL_PTR -# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" -#endif - field = rec_get_nth_field(rec, offsets, trx_id_col, &len); - ut_ad(len == DATA_TRX_ID_LEN); - ut_ad(field + DATA_TRX_ID_LEN - == rec_get_nth_field(rec, offsets, trx_id_col + 1, &len)); - ut_ad(len == DATA_ROLL_PTR_LEN); -#if defined UNIV_DEBUG || defined UNIV_ZIP_DEBUG - ut_a(!memcmp(storage, field, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN)); -#endif /* UNIV_DEBUG || UNIV_ZIP_DEBUG */ -#if DATA_TRX_ID_LEN != 6 -# error "DATA_TRX_ID_LEN != 6" -#endif - mach_write_to_6(field, trx_id); -#if DATA_ROLL_PTR_LEN != 7 -# error "DATA_ROLL_PTR_LEN != 7" -#endif - mach_write_to_7(field + DATA_TRX_ID_LEN, roll_ptr); - memcpy(storage, field, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); -} - -#ifdef UNIV_ZIP_DEBUG -/** Set this variable in a debugger to disable page_zip_clear_rec(). -The only observable effect should be the compression ratio due to -deleted records not being zeroed out. In rare cases, there can be -page_zip_validate() failures on the node_ptr, trx_id and roll_ptr -columns if the space is reallocated for a smaller record. */ -UNIV_INTERN ibool page_zip_clear_rec_disable; -#endif /* UNIV_ZIP_DEBUG */ - -/**********************************************************************//** -Clear an area on the uncompressed and compressed page, if possible. */ -static -void -page_zip_clear_rec( -/*===============*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in: record to clear */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - ulint heap_no; - page_t* page = page_align(rec); - /* page_zip_validate() would fail here if a record - containing externally stored columns is being deleted. */ - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(!page_zip_dir_find(page_zip, page_offset(rec))); - ut_ad(page_zip_dir_find_free(page_zip, page_offset(rec))); - ut_ad(page_zip_header_cmp(page_zip, page)); - - heap_no = rec_get_heap_no_new(rec); - ut_ad(heap_no >= PAGE_HEAP_NO_USER_LOW); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - if ( -#ifdef UNIV_ZIP_DEBUG - !page_zip_clear_rec_disable && -#endif /* UNIV_ZIP_DEBUG */ - page_zip->m_end - + 1 + ((heap_no - 1) >= 64)/* size of the log entry */ - + page_zip_get_trailer_len(page_zip, - dict_index_is_clust(index), NULL) - < page_zip_get_size(page_zip)) { - byte* data; - - /* Clear only the data bytes, because the allocator and - the decompressor depend on the extra bytes. */ - memset(rec, 0, rec_offs_data_size(offsets)); - - if (!page_is_leaf(page)) { - /* Clear node_ptr on the compressed page. */ - byte* storage = page_zip->data - + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE; - - memset(storage - (heap_no - 1) * REC_NODE_PTR_SIZE, - 0, REC_NODE_PTR_SIZE); - } else if (dict_index_is_clust(index)) { - /* Clear trx_id and roll_ptr on the compressed page. */ - byte* storage = page_zip->data - + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - - PAGE_HEAP_NO_USER_LOW) - * PAGE_ZIP_DIR_SLOT_SIZE; - - memset(storage - (heap_no - 1) - * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), - 0, DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - } - - /* Log that the data was zeroed out. */ - data = page_zip->data + page_zip->m_end; - ut_ad(!*data); - if (UNIV_UNLIKELY(heap_no - 1 >= 64)) { - *data++ = (byte) (0x80 | (heap_no - 1) >> 7); - ut_ad(!*data); - } - *data++ = (byte) ((heap_no - 1) << 1 | 1); - ut_ad(!*data); - ut_ad((ulint) (data - page_zip->data) - < page_zip_get_size(page_zip)); - page_zip->m_end = data - page_zip->data; - page_zip->m_nonempty = TRUE; - } else if (page_is_leaf(page) && dict_index_is_clust(index)) { - /* Do not clear the record, because there is not enough space - to log the operation. */ - - if (rec_offs_any_extern(offsets)) { - ulint i; - - for (i = rec_offs_n_fields(offsets); i--; ) { - /* Clear all BLOB pointers in order to make - page_zip_validate() pass. */ - if (rec_offs_nth_extern(offsets, i)) { - ulint len; - byte* field = rec_get_nth_field( - rec, offsets, i, &len); - memset(field + len - - BTR_EXTERN_FIELD_REF_SIZE, - 0, BTR_EXTERN_FIELD_REF_SIZE); - } - } - } - } - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ -} - -/**********************************************************************//** -Write the "deleted" flag of a record on a compressed page. The flag must -already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_deleted( -/*=====================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the deleted flag (nonzero=TRUE) */ -{ - byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); - ut_a(slot); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - if (flag) { - *slot |= (PAGE_ZIP_DIR_SLOT_DEL >> 8); - } else { - *slot &= ~(PAGE_ZIP_DIR_SLOT_DEL >> 8); - } -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page_align(rec))); -#endif /* UNIV_ZIP_DEBUG */ -} - -/**********************************************************************//** -Write the "owned" flag of a record on a compressed page. The n_owned field -must already have been written on the uncompressed page. */ -UNIV_INTERN -void -page_zip_rec_set_owned( -/*===================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* rec, /*!< in: record on the uncompressed page */ - ulint flag) /*!< in: the owned flag (nonzero=TRUE) */ -{ - byte* slot = page_zip_dir_find(page_zip, page_offset(rec)); - ut_a(slot); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - if (flag) { - *slot |= (PAGE_ZIP_DIR_SLOT_OWNED >> 8); - } else { - *slot &= ~(PAGE_ZIP_DIR_SLOT_OWNED >> 8); - } -} - -/**********************************************************************//** -Insert a record to the dense page directory. */ -UNIV_INTERN -void -page_zip_dir_insert( -/*================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - const byte* prev_rec,/*!< in: record after which to insert */ - const byte* free_rec,/*!< in: record from which rec was - allocated, or NULL */ - byte* rec) /*!< in: record to insert */ -{ - ulint n_dense; - byte* slot_rec; - byte* slot_free; - - ut_ad(prev_rec != rec); - ut_ad(page_rec_get_next((rec_t*) prev_rec) == rec); - ut_ad(page_zip_simple_validate(page_zip)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - if (page_rec_is_infimum(prev_rec)) { - /* Use the first slot. */ - slot_rec = page_zip->data + page_zip_get_size(page_zip); - } else { - byte* end = page_zip->data + page_zip_get_size(page_zip); - byte* start = end - page_zip_dir_user_size(page_zip); - - if (UNIV_LIKELY(!free_rec)) { - /* PAGE_N_RECS was already incremented - in page_cur_insert_rec_zip(), but the - dense directory slot at that position - contains garbage. Skip it. */ - start += PAGE_ZIP_DIR_SLOT_SIZE; - } - - slot_rec = page_zip_dir_find_low(start, end, - page_offset(prev_rec)); - ut_a(slot_rec); - } - - /* Read the old n_dense (n_heap may have been incremented). */ - n_dense = page_dir_get_n_heap(page_zip->data) - - (PAGE_HEAP_NO_USER_LOW + 1); - - if (UNIV_LIKELY_NULL(free_rec)) { - /* The record was allocated from the free list. - Shift the dense directory only up to that slot. - Note that in this case, n_dense is actually - off by one, because page_cur_insert_rec_zip() - did not increment n_heap. */ - ut_ad(rec_get_heap_no_new(rec) < n_dense + 1 - + PAGE_HEAP_NO_USER_LOW); - ut_ad(rec >= free_rec); - slot_free = page_zip_dir_find(page_zip, page_offset(free_rec)); - ut_ad(slot_free); - slot_free += PAGE_ZIP_DIR_SLOT_SIZE; - } else { - /* The record was allocated from the heap. - Shift the entire dense directory. */ - ut_ad(rec_get_heap_no_new(rec) == n_dense - + PAGE_HEAP_NO_USER_LOW); - - /* Shift to the end of the dense page directory. */ - slot_free = page_zip->data + page_zip_get_size(page_zip) - - PAGE_ZIP_DIR_SLOT_SIZE * n_dense; - } - - /* Shift the dense directory to allocate place for rec. */ - memmove(slot_free - PAGE_ZIP_DIR_SLOT_SIZE, slot_free, - slot_rec - slot_free); - - /* Write the entry for the inserted record. - The "owned" and "deleted" flags must be zero. */ - mach_write_to_2(slot_rec - PAGE_ZIP_DIR_SLOT_SIZE, page_offset(rec)); -} - -/**********************************************************************//** -Shift the dense page directory and the array of BLOB pointers -when a record is deleted. */ -UNIV_INTERN -void -page_zip_dir_delete( -/*================*/ - page_zip_des_t* page_zip,/*!< in/out: compressed page */ - byte* rec, /*!< in: record to delete */ - dict_index_t* index, /*!< in: index of rec */ - const ulint* offsets,/*!< in: rec_get_offsets(rec) */ - const byte* free) /*!< in: previous start of the free list */ -{ - byte* slot_rec; - byte* slot_free; - ulint n_ext; - page_t* page = page_align(rec); - - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(rec_offs_comp(offsets)); - - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(rec, rec_offs_data_size(offsets)); - UNIV_MEM_ASSERT_RW(rec - rec_offs_extra_size(offsets), - rec_offs_extra_size(offsets)); - - slot_rec = page_zip_dir_find(page_zip, page_offset(rec)); - - ut_a(slot_rec); - - /* This could not be done before page_zip_dir_find(). */ - page_header_set_field(page, page_zip, PAGE_N_RECS, - (ulint)(page_get_n_recs(page) - 1)); - - if (UNIV_UNLIKELY(!free)) { - /* Make the last slot the start of the free list. */ - slot_free = page_zip->data + page_zip_get_size(page_zip) - - PAGE_ZIP_DIR_SLOT_SIZE - * (page_dir_get_n_heap(page_zip->data) - - PAGE_HEAP_NO_USER_LOW); - } else { - slot_free = page_zip_dir_find_free(page_zip, - page_offset(free)); - ut_a(slot_free < slot_rec); - /* Grow the free list by one slot by moving the start. */ - slot_free += PAGE_ZIP_DIR_SLOT_SIZE; - } - - if (UNIV_LIKELY(slot_rec > slot_free)) { - memmove(slot_free + PAGE_ZIP_DIR_SLOT_SIZE, - slot_free, - slot_rec - slot_free); - } - - /* Write the entry for the deleted record. - The "owned" and "deleted" flags will be cleared. */ - mach_write_to_2(slot_free, page_offset(rec)); - - if (!page_is_leaf(page) || !dict_index_is_clust(index)) { - ut_ad(!rec_offs_any_extern(offsets)); - goto skip_blobs; - } - - n_ext = rec_offs_n_extern(offsets); - if (UNIV_UNLIKELY(n_ext)) { - /* Shift and zero fill the array of BLOB pointers. */ - ulint blob_no; - byte* externs; - byte* ext_end; - - blob_no = page_zip_get_n_prev_extern(page_zip, rec, index); - ut_a(blob_no + n_ext <= page_zip->n_blobs); - - externs = page_zip->data + page_zip_get_size(page_zip) - - (page_dir_get_n_heap(page) - PAGE_HEAP_NO_USER_LOW) - * (PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - - ext_end = externs - page_zip->n_blobs - * BTR_EXTERN_FIELD_REF_SIZE; - externs -= blob_no * BTR_EXTERN_FIELD_REF_SIZE; - - page_zip->n_blobs -= n_ext; - /* Shift and zero fill the array. */ - memmove(ext_end + n_ext * BTR_EXTERN_FIELD_REF_SIZE, ext_end, - (page_zip->n_blobs - blob_no) - * BTR_EXTERN_FIELD_REF_SIZE); - memset(ext_end, 0, n_ext * BTR_EXTERN_FIELD_REF_SIZE); - } - -skip_blobs: - /* The compression algorithm expects info_bits and n_owned - to be 0 for deleted records. */ - rec[-REC_N_NEW_EXTRA_BYTES] = 0; /* info_bits and n_owned */ - - page_zip_clear_rec(page_zip, rec, index, offsets); -} - -/**********************************************************************//** -Add a slot to the dense page directory. */ -UNIV_INTERN -void -page_zip_dir_add_slot( -/*==================*/ - page_zip_des_t* page_zip, /*!< in/out: compressed page */ - ulint is_clustered) /*!< in: nonzero for clustered index, - zero for others */ -{ - ulint n_dense; - byte* dir; - byte* stored; - - ut_ad(page_is_comp(page_zip->data)); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - /* Read the old n_dense (n_heap has already been incremented). */ - n_dense = page_dir_get_n_heap(page_zip->data) - - (PAGE_HEAP_NO_USER_LOW + 1); - - dir = page_zip->data + page_zip_get_size(page_zip) - - PAGE_ZIP_DIR_SLOT_SIZE * n_dense; - - if (!page_is_leaf(page_zip->data)) { - ut_ad(!page_zip->n_blobs); - stored = dir - n_dense * REC_NODE_PTR_SIZE; - } else if (UNIV_UNLIKELY(is_clustered)) { - /* Move the BLOB pointer array backwards to make space for the - roll_ptr and trx_id columns and the dense directory slot. */ - byte* externs; - - stored = dir - n_dense - * (DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - externs = stored - - page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; - ASSERT_ZERO(externs - - (PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), - PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN); - memmove(externs - (PAGE_ZIP_DIR_SLOT_SIZE - + DATA_TRX_ID_LEN + DATA_ROLL_PTR_LEN), - externs, stored - externs); - } else { - stored = dir - - page_zip->n_blobs * BTR_EXTERN_FIELD_REF_SIZE; - ASSERT_ZERO(stored - PAGE_ZIP_DIR_SLOT_SIZE, - PAGE_ZIP_DIR_SLOT_SIZE); - } - - /* Move the uncompressed area backwards to make space - for one directory slot. */ - memmove(stored - PAGE_ZIP_DIR_SLOT_SIZE, stored, dir - stored); -} - -/***********************************************************//** -Parses a log record of writing to the header of a page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_write_header( -/*========================*/ - byte* ptr, /*!< in: redo log buffer */ - byte* end_ptr,/*!< in: redo log buffer end */ - page_t* page, /*!< in/out: uncompressed page */ - page_zip_des_t* page_zip)/*!< in/out: compressed page */ -{ - ulint offset; - ulint len; - - ut_ad(ptr && end_ptr); - ut_ad(!page == !page_zip); - - if (UNIV_UNLIKELY(end_ptr < ptr + (1 + 1))) { - - return(NULL); - } - - offset = (ulint) *ptr++; - len = (ulint) *ptr++; - - if (UNIV_UNLIKELY(!len) || UNIV_UNLIKELY(offset + len >= PAGE_DATA)) { -corrupt: - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - if (UNIV_UNLIKELY(end_ptr < ptr + len)) { - - return(NULL); - } - - if (page) { - if (UNIV_UNLIKELY(!page_zip)) { - - goto corrupt; - } -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - memcpy(page + offset, ptr, len); - memcpy(page_zip->data + offset, ptr, len); - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - } - - return(ptr + len); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Write a log record of writing to the uncompressed header portion of a page. */ -UNIV_INTERN -void -page_zip_write_header_log( -/*======================*/ - const byte* data, /*!< in: data on the uncompressed page */ - ulint length, /*!< in: length of the data */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - byte* log_ptr = mlog_open(mtr, 11 + 1 + 1); - ulint offset = page_offset(data); - - ut_ad(offset < PAGE_DATA); - ut_ad(offset + length < PAGE_DATA); -#if PAGE_DATA > 255 -# error "PAGE_DATA > 255" -#endif - ut_ad(length < 256); - - /* If no logging is requested, we may return now */ - if (UNIV_UNLIKELY(!log_ptr)) { - - return; - } - - log_ptr = mlog_write_initial_log_record_fast( - (byte*) data, MLOG_ZIP_WRITE_HEADER, log_ptr, mtr); - *log_ptr++ = (byte) offset; - *log_ptr++ = (byte) length; - mlog_close(mtr, log_ptr); - - mlog_catenate_string(mtr, data, length); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Reorganize and compress a page. This is a low-level operation for -compressed pages, to be used when page_zip_compress() fails. -On success, a redo log entry MLOG_ZIP_PAGE_COMPRESS will be written. -The function btr_page_reorganize() should be preferred whenever possible. -IMPORTANT: if page_zip_reorganize() is invoked on a leaf page of a -non-clustered index, the caller must update the insert buffer free -bits in the same mini-transaction in such a way that the modification -will be redo-logged. -@return TRUE on success, FALSE on failure; page_zip will be left -intact on failure, but page will be overwritten. */ -UNIV_INTERN -ibool -page_zip_reorganize( -/*================*/ - buf_block_t* block, /*!< in/out: page with compressed page; - on the compressed page, in: size; - out: data, n_blobs, - m_start, m_end, m_nonempty */ - dict_index_t* index, /*!< in: index of the B-tree node */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - page_zip_des_t* page_zip = buf_block_get_page_zip(block); - page_t* page = buf_block_get_frame(block); - buf_block_t* temp_block; - page_t* temp_page; - ulint log_mode; - - ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); - ut_ad(page_is_comp(page)); - ut_ad(!dict_index_is_ibuf(index)); - /* Note that page_zip_validate(page_zip, page) may fail here. */ - UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); - - /* Disable logging */ - log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); - -#ifndef UNIV_HOTBACKUP - temp_block = buf_block_alloc(0); - btr_search_drop_page_hash_index(block); - block->check_index_page_at_flush = TRUE; -#else /* !UNIV_HOTBACKUP */ - ut_ad(block == back_block1); - temp_block = back_block2; -#endif /* !UNIV_HOTBACKUP */ - temp_page = temp_block->frame; - - /* Copy the old page to temporary space */ - buf_frame_copy(temp_page, page); - - /* Recreate the page: note that global data on page (possible - segment headers, next page-field, etc.) is preserved intact */ - - page_create(block, mtr, TRUE); - - /* Copy the records from the temporary space to the recreated page; - do not copy the lock bits yet */ - - page_copy_rec_list_end_no_locks(block, temp_block, - page_get_infimum_rec(temp_page), - index, mtr); - - if (!dict_index_is_clust(index) && page_is_leaf(temp_page)) { - /* Copy max trx id to recreated page */ - trx_id_t max_trx_id = page_get_max_trx_id(temp_page); - page_set_max_trx_id(block, NULL, max_trx_id, NULL); - ut_ad(!ut_dulint_is_zero(max_trx_id)); - } - - /* Restore logging. */ - mtr_set_log_mode(mtr, log_mode); - - if (UNIV_UNLIKELY(!page_zip_compress(page_zip, page, index, mtr))) { - -#ifndef UNIV_HOTBACKUP - buf_block_free(temp_block); -#endif /* !UNIV_HOTBACKUP */ - return(FALSE); - } - - lock_move_reorganize_page(block, temp_block); - -#ifndef UNIV_HOTBACKUP - buf_block_free(temp_block); -#endif /* !UNIV_HOTBACKUP */ - return(TRUE); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Copy the records of a page byte for byte. Do not copy the page header -or trailer, except those B-tree header fields that are directly -related to the storage of records. Also copy PAGE_MAX_TRX_ID. -NOTE: The caller must update the lock table and the adaptive hash index. */ -UNIV_INTERN -void -page_zip_copy_recs( -/*===============*/ - page_zip_des_t* page_zip, /*!< out: copy of src_zip - (n_blobs, m_start, m_end, - m_nonempty, data[0..size-1]) */ - page_t* page, /*!< out: copy of src */ - const page_zip_des_t* src_zip, /*!< in: compressed page */ - const page_t* src, /*!< in: page */ - dict_index_t* index, /*!< in: index of the B-tree */ - mtr_t* mtr) /*!< in: mini-transaction */ -{ - ut_ad(mtr_memo_contains_page(mtr, page, MTR_MEMO_PAGE_X_FIX)); - ut_ad(mtr_memo_contains_page(mtr, (page_t*) src, MTR_MEMO_PAGE_X_FIX)); - ut_ad(!dict_index_is_ibuf(index)); -#ifdef UNIV_ZIP_DEBUG - /* The B-tree operations that call this function may set - FIL_PAGE_PREV or PAGE_LEVEL, causing a temporary min_rec_flag - mismatch. A strict page_zip_validate() will be executed later - during the B-tree operations. */ - ut_a(page_zip_validate_low(src_zip, src, TRUE)); -#endif /* UNIV_ZIP_DEBUG */ - ut_a(page_zip_get_size(page_zip) == page_zip_get_size(src_zip)); - if (UNIV_UNLIKELY(src_zip->n_blobs)) { - ut_a(page_is_leaf(src)); - ut_a(dict_index_is_clust(index)); - } - - /* The PAGE_MAX_TRX_ID must be set on leaf pages of secondary - indexes. It does not matter on other pages. */ - ut_a(dict_index_is_clust(index) || !page_is_leaf(src) - || !ut_dulint_is_zero(page_get_max_trx_id(src))); - - UNIV_MEM_ASSERT_W(page, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_W(page_zip->data, page_zip_get_size(page_zip)); - UNIV_MEM_ASSERT_RW(src, UNIV_PAGE_SIZE); - UNIV_MEM_ASSERT_RW(src_zip->data, page_zip_get_size(page_zip)); - - /* Copy those B-tree page header fields that are related to - the records stored in the page. Also copy the field - PAGE_MAX_TRX_ID. Skip the rest of the page header and - trailer. On the compressed page, there is no trailer. */ -#if PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END -# error "PAGE_MAX_TRX_ID + 8 != PAGE_HEADER_PRIV_END" -#endif - memcpy(PAGE_HEADER + page, PAGE_HEADER + src, - PAGE_HEADER_PRIV_END); - memcpy(PAGE_DATA + page, PAGE_DATA + src, - UNIV_PAGE_SIZE - PAGE_DATA - FIL_PAGE_DATA_END); - memcpy(PAGE_HEADER + page_zip->data, PAGE_HEADER + src_zip->data, - PAGE_HEADER_PRIV_END); - memcpy(PAGE_DATA + page_zip->data, PAGE_DATA + src_zip->data, - page_zip_get_size(page_zip) - PAGE_DATA); - - /* Copy all fields of src_zip to page_zip, except the pointer - to the compressed data page. */ - { - page_zip_t* data = page_zip->data; - memcpy(page_zip, src_zip, sizeof *page_zip); - page_zip->data = data; - } - ut_ad(page_zip_get_trailer_len(page_zip, - dict_index_is_clust(index), NULL) - + page_zip->m_end < page_zip_get_size(page_zip)); - - if (!page_is_leaf(src) - && UNIV_UNLIKELY(mach_read_from_4(src + FIL_PAGE_PREV) == FIL_NULL) - && UNIV_LIKELY(mach_read_from_4(page - + FIL_PAGE_PREV) != FIL_NULL)) { - /* Clear the REC_INFO_MIN_REC_FLAG of the first user record. */ - ulint offs = rec_get_next_offs(page + PAGE_NEW_INFIMUM, - TRUE); - if (UNIV_LIKELY(offs != PAGE_NEW_SUPREMUM)) { - rec_t* rec = page + offs; - ut_a(rec[-REC_N_NEW_EXTRA_BYTES] - & REC_INFO_MIN_REC_FLAG); - rec[-REC_N_NEW_EXTRA_BYTES] &= ~ REC_INFO_MIN_REC_FLAG; - } - } - -#ifdef UNIV_ZIP_DEBUG - ut_a(page_zip_validate(page_zip, page)); -#endif /* UNIV_ZIP_DEBUG */ - - page_zip_compress_write_log(page_zip, page, index, mtr); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Parses a log record of compressing an index page. -@return end of log record or NULL */ -UNIV_INTERN -byte* -page_zip_parse_compress( -/*====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< out: uncompressed page */ - page_zip_des_t* page_zip)/*!< out: compressed page */ -{ - ulint size; - ulint trailer_size; - - ut_ad(ptr && end_ptr); - ut_ad(!page == !page_zip); - - if (UNIV_UNLIKELY(ptr + (2 + 2) > end_ptr)) { - - return(NULL); - } - - size = mach_read_from_2(ptr); - ptr += 2; - trailer_size = mach_read_from_2(ptr); - ptr += 2; - - if (UNIV_UNLIKELY(ptr + 8 + size + trailer_size > end_ptr)) { - - return(NULL); - } - - if (page) { - if (UNIV_UNLIKELY(!page_zip) - || UNIV_UNLIKELY(page_zip_get_size(page_zip) < size)) { -corrupt: - recv_sys->found_corrupt_log = TRUE; - - return(NULL); - } - - memcpy(page_zip->data + FIL_PAGE_PREV, ptr, 4); - memcpy(page_zip->data + FIL_PAGE_NEXT, ptr + 4, 4); - memcpy(page_zip->data + FIL_PAGE_TYPE, ptr + 8, size); - memset(page_zip->data + FIL_PAGE_TYPE + size, 0, - page_zip_get_size(page_zip) - trailer_size - - (FIL_PAGE_TYPE + size)); - memcpy(page_zip->data + page_zip_get_size(page_zip) - - trailer_size, ptr + 8 + size, trailer_size); - - if (UNIV_UNLIKELY(!page_zip_decompress(page_zip, page, - TRUE))) { - - goto corrupt; - } - } - - return(ptr + 8 + size + trailer_size); -} - -/**********************************************************************//** -Calculate the compressed page checksum. -@return page checksum */ -UNIV_INTERN -ulint -page_zip_calc_checksum( -/*===================*/ - const void* data, /*!< in: compressed page */ - ulint size) /*!< in: size of compressed page */ -{ - /* Exclude FIL_PAGE_SPACE_OR_CHKSUM, FIL_PAGE_LSN, - and FIL_PAGE_FILE_FLUSH_LSN from the checksum. */ - - const Bytef* s = data; - uLong adler; - - ut_ad(size > FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - - adler = adler32(0L, s + FIL_PAGE_OFFSET, - FIL_PAGE_LSN - FIL_PAGE_OFFSET); - adler = adler32(adler, s + FIL_PAGE_TYPE, 2); - adler = adler32(adler, s + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, - size - FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - - return((ulint) adler); -} diff --git a/perfschema/pars/lexyy.c b/perfschema/pars/lexyy.c deleted file mode 100644 index 815395ea316..00000000000 --- a/perfschema/pars/lexyy.c +++ /dev/null @@ -1,2793 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -#include "univ.i" -#line 2 "lexyy.c" - -#line 4 "lexyy.c" - -#define YY_INT_ALIGNED short int - -/* A lexical scanner generated by flex */ - -#define FLEX_SCANNER -#define YY_FLEX_MAJOR_VERSION 2 -#define YY_FLEX_MINOR_VERSION 5 -#define YY_FLEX_SUBMINOR_VERSION 31 -#if YY_FLEX_SUBMINOR_VERSION > 0 -#define FLEX_BETA -#endif - -/* First, we deal with platform-specific or compiler-specific issues. */ - -/* begin standard C headers. */ -#include -#include -#include -#include - -/* end standard C headers. */ - -/* flex integer type definitions */ - -#ifndef FLEXINT_H -#define FLEXINT_H - -/* C99 systems have . Non-C99 systems may or may not. */ - -#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L -#include -typedef int8_t flex_int8_t; -typedef uint8_t flex_uint8_t; -typedef int16_t flex_int16_t; -typedef uint16_t flex_uint16_t; -typedef int32_t flex_int32_t; -typedef uint32_t flex_uint32_t; -#else -typedef signed char flex_int8_t; -typedef short int flex_int16_t; -typedef int flex_int32_t; -typedef unsigned char flex_uint8_t; -typedef unsigned short int flex_uint16_t; -typedef unsigned int flex_uint32_t; -#endif /* ! C99 */ - -/* Limits of integral types. */ -#ifndef INT8_MIN -#define INT8_MIN (-128) -#endif -#ifndef INT16_MIN -#define INT16_MIN (-32767-1) -#endif -#ifndef INT32_MIN -#define INT32_MIN (-2147483647-1) -#endif -#ifndef INT8_MAX -#define INT8_MAX (127) -#endif -#ifndef INT16_MAX -#define INT16_MAX (32767) -#endif -#ifndef INT32_MAX -#define INT32_MAX (2147483647) -#endif -#ifndef UINT8_MAX -#define UINT8_MAX (255U) -#endif -#ifndef UINT16_MAX -#define UINT16_MAX (65535U) -#endif -#ifndef UINT32_MAX -#define UINT32_MAX (4294967295U) -#endif - -#endif /* ! FLEXINT_H */ - -#ifdef __cplusplus - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -#if __STDC__ - -#define YY_USE_CONST - -#endif /* __STDC__ */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. If the signed char is negative, - * we want to instead treat it as an 8-bit unsigned char, hence the - * double cast. - */ -#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) - -/* Enter a start condition. This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN. - */ -#define BEGIN (yy_start) = 1 + 2 * - -/* Translate the current start state into a value that can be later handed - * to BEGIN to return to the state. 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(yy_buffer_stack)[(yy_buffer_stack_top)] \ - : NULL) - -/* Same as previous macro, but useful when we know that the buffer stack is not - * NULL or when we need an lvalue. For internal use only. - */ -#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] - -/* yy_hold_char holds the character lost when yytext is formed. */ -static char yy_hold_char; -static int yy_n_chars; /* number of characters read into yy_ch_buf */ -static int yyleng; - -/* Points to current character in buffer. */ -static char *yy_c_buf_p = (char *) 0; -static int yy_init = 1; /* whether we need to initialize */ -static int yy_start = 0; /* start state number */ - -/* Flag which is used to allow yywrap()'s to do buffer switches - * instead of setting up a fresh yyin. A bit of a hack ... - */ -static int yy_did_buffer_switch_on_eof; - -static void yyrestart (FILE *input_file ); -__attribute__((unused)) static void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); -static YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); -static void yy_delete_buffer (YY_BUFFER_STATE b ); -static void yy_flush_buffer (YY_BUFFER_STATE b ); -__attribute__((unused)) static void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); -__attribute__((unused)) static void yypop_buffer_state (void ); - -static void yyensure_buffer_stack (void ); -static void yy_load_buffer_state (void ); -static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); - -#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) - -YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); -YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); -YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); - -static void *yyalloc (yy_size_t ); -static void *yyrealloc (void *,yy_size_t ); -static void yyfree (void * ); - -#define yy_new_buffer yy_create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! YY_CURRENT_BUFFER ){ \ - yyensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - yy_create_buffer(yyin,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! YY_CURRENT_BUFFER ){\ - yyensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - yy_create_buffer(yyin,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) - -/* Begin user sect3 */ - -#define yywrap(n) 1 -#define YY_SKIP_YYWRAP - -typedef unsigned char YY_CHAR; - -static FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; - -typedef int yy_state_type; - -static int yylineno; - -static int yylineno = 1; - -static char *yytext; -#define yytext_ptr yytext - -static yy_state_type yy_get_previous_state (void ); -static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); -static int yy_get_next_buffer (void ); -static void yy_fatal_error (yyconst char msg[] ); - -/* Done after the current pattern has been matched and before the - * corresponding action - sets up yytext. - */ -#define YY_DO_BEFORE_ACTION \ - (yytext_ptr) = yy_bp; \ - yyleng = (size_t) (yy_cp - yy_bp); \ - (yy_hold_char) = *yy_cp; \ - *yy_cp = '\0'; \ - (yy_c_buf_p) = yy_cp; - -#define YY_NUM_RULES 119 -#define YY_END_OF_BUFFER 120 -/* This struct is not used in this scanner, - but its presence is necessary. */ -struct yy_trans_info - { - flex_int32_t yy_verify; - flex_int32_t yy_nxt; - }; -static yyconst flex_int16_t yy_accept[399] = - { 0, - 0, 0, 114, 114, 0, 0, 0, 0, 120, 118, - 117, 117, 8, 118, 109, 5, 98, 104, 107, 105, - 102, 106, 118, 108, 1, 118, 103, 101, 99, 100, - 112, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 110, 111, 114, 115, 6, 7, 9, 10, 117, 4, - 93, 113, 2, 1, 3, 94, 95, 97, 96, 92, - 92, 92, 92, 92, 92, 44, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 92, 92, 28, 17, 25, 92, 92, 92, 92, 92, - - 54, 61, 92, 14, 92, 92, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 92, 92, 114, 115, 115, 116, 6, 7, 9, 10, - 2, 13, 45, 92, 92, 92, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 92, 27, 92, 92, 92, 41, 92, 92, 92, 92, - 21, 92, 92, 92, 92, 15, 92, 92, 92, 18, - 92, 92, 92, 92, 92, 80, 92, 92, 92, 51, - 92, 12, 92, 36, 92, 92, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 20, 24, - - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 46, 92, 92, 30, 92, 87, 92, 92, 39, 92, - 92, 92, 92, 92, 48, 92, 89, 32, 91, 92, - 11, 64, 92, 92, 92, 42, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 29, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 85, 92, 26, 92, - 66, 92, 92, 92, 37, 92, 92, 92, 92, 92, - 92, 92, 31, 65, 23, 92, 57, 92, 75, 92, - 92, 92, 43, 92, 92, 92, 92, 92, 92, 92, - 92, 90, 92, 92, 56, 92, 92, 92, 92, 92, - - 92, 92, 40, 33, 79, 19, 92, 83, 74, 55, - 92, 63, 92, 52, 92, 92, 92, 47, 92, 76, - 92, 78, 92, 92, 34, 92, 92, 92, 35, 72, - 92, 92, 92, 92, 58, 92, 50, 49, 92, 92, - 53, 62, 92, 92, 92, 22, 92, 92, 73, 81, - 92, 92, 77, 92, 68, 92, 92, 92, 92, 38, - 92, 88, 67, 92, 84, 92, 92, 92, 86, 92, - 59, 92, 16, 92, 70, 69, 92, 92, 82, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 71, - 92, 92, 92, 92, 92, 92, 60, 0 - - } ; - -static yyconst flex_int32_t yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 1, 4, 1, 5, 6, 1, 7, 8, - 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 17, 18, 19, - 20, 21, 22, 1, 23, 24, 25, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, - 39, 40, 41, 42, 43, 44, 45, 46, 47, 32, - 1, 1, 1, 1, 48, 1, 32, 32, 32, 32, - - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 49, 1, 50, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1 - } ; - -static yyconst flex_int32_t yy_meta[51] = - { 0, - 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, - 1, 1, 1, 1, 1, 5, 1, 1, 1, 6, - 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 1, 1 - } ; - -static yyconst flex_int16_t yy_base[409] = - { 0, - 0, 0, 437, 436, 438, 437, 439, 438, 441, 448, - 49, 51, 448, 0, 448, 448, 448, 448, 448, 448, - 448, 448, 426, 429, 41, 418, 448, 38, 448, 417, - 448, 20, 33, 32, 46, 40, 44, 0, 54, 52, - 399, 48, 60, 395, 65, 67, 81, 27, 411, 75, - 448, 448, 0, 98, 0, 426, 0, 428, 113, 0, - 448, 448, 415, 54, 410, 448, 448, 448, 448, 0, - 403, 68, 399, 391, 389, 0, 402, 80, 84, 397, - 383, 96, 381, 394, 379, 393, 387, 375, 379, 375, - 377, 377, 0, 98, 0, 376, 97, 385, 368, 375, - - 0, 0, 381, 381, 364, 94, 103, 379, 98, 65, - 381, 369, 109, 361, 377, 373, 351, 97, 372, 363, - 115, 356, 0, 137, 138, 448, 0, 388, 0, 390, - 377, 0, 0, 365, 360, 367, 365, 348, 346, 345, - 350, 359, 347, 359, 95, 347, 353, 354, 336, 336, - 123, 0, 334, 350, 351, 0, 338, 347, 344, 122, - 124, 341, 336, 330, 340, 338, 331, 328, 336, 0, - 326, 336, 334, 325, 315, 309, 322, 307, 327, 0, - 313, 0, 311, 0, 325, 316, 313, 131, 309, 316, - 323, 302, 304, 309, 309, 301, 304, 299, 0, 0, - - 311, 295, 305, 312, 292, 291, 305, 294, 307, 287, - 0, 297, 279, 0, 298, 0, 295, 282, 0, 281, - 276, 281, 280, 290, 0, 276, 0, 0, 0, 280, - 0, 0, 276, 273, 287, 0, 272, 272, 270, 286, - 271, 283, 280, 264, 282, 277, 0, 272, 272, 258, - 257, 270, 256, 270, 269, 268, 0, 252, 0, 246, - 0, 265, 249, 248, 0, 262, 252, 247, 246, 258, - 248, 247, 0, 0, 0, 251, 0, 239, 0, 253, - 249, 235, 0, 249, 250, 233, 238, 231, 249, 231, - 228, 0, 229, 226, 0, 231, 243, 230, 237, 227, - - 235, 220, 0, 0, 0, 212, 219, 0, 0, 0, - 216, 0, 230, 0, 231, 218, 217, 0, 213, 0, - 216, 0, 208, 210, 0, 209, 223, 216, 0, 0, - 219, 222, 204, 219, 0, 215, 0, 0, 199, 213, - 0, 0, 197, 196, 201, 0, 210, 195, 0, 0, - 201, 197, 0, 192, 0, 204, 204, 192, 202, 0, - 179, 0, 0, 199, 0, 183, 177, 183, 0, 174, - 0, 193, 0, 192, 0, 0, 183, 187, 0, 174, - 174, 180, 166, 189, 181, 180, 166, 151, 118, 0, - 130, 136, 127, 123, 119, 111, 0, 448, 167, 173, - - 179, 152, 181, 124, 187, 193, 199, 205 - } ; - -static yyconst flex_int16_t yy_def[409] = - { 0, - 398, 1, 399, 399, 400, 400, 401, 401, 398, 398, - 398, 398, 398, 402, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 403, 398, 398, 398, 398, - 398, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 398, 398, 405, 406, 407, 398, 408, 398, 398, 402, - 398, 398, 398, 398, 403, 398, 398, 398, 398, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 405, 406, 406, 398, 407, 398, 408, 398, - 398, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 404, 404, 404, - 404, 404, 404, 404, 404, 404, 404, 0, 398, 398, - - 398, 398, 398, 398, 398, 398, 398, 398 - } ; - -static yyconst flex_int16_t yy_nxt[499] = - { 0, - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, - 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, - 30, 31, 32, 33, 34, 35, 36, 37, 38, 38, - 39, 38, 38, 40, 41, 42, 43, 44, 38, 45, - 46, 47, 48, 49, 50, 38, 38, 38, 51, 52, - 59, 59, 59, 59, 63, 71, 64, 67, 68, 73, - 72, 77, 118, 74, 119, 78, 75, 63, 79, 64, - 88, 80, 82, 85, 81, 86, 83, 89, 96, 76, - 90, 93, 84, 91, 99, 87, 92, 101, 97, 94, - 100, 107, 133, 110, 95, 102, 111, 103, 179, 104, - - 108, 109, 105, 115, 121, 112, 180, 125, 134, 113, - 116, 122, 126, 114, 59, 59, 139, 117, 141, 142, - 146, 163, 140, 159, 171, 173, 143, 189, 70, 147, - 172, 177, 183, 164, 207, 208, 148, 190, 160, 161, - 174, 193, 178, 184, 175, 194, 398, 125, 222, 214, - 224, 398, 126, 215, 248, 249, 60, 397, 396, 395, - 225, 394, 393, 223, 392, 391, 250, 53, 53, 53, - 53, 53, 53, 55, 55, 55, 55, 55, 55, 57, - 57, 57, 57, 57, 57, 65, 65, 123, 123, 123, - 390, 123, 123, 124, 124, 124, 124, 124, 124, 127, - - 127, 389, 127, 127, 127, 129, 388, 129, 129, 129, - 129, 387, 386, 385, 384, 383, 382, 381, 380, 379, - 378, 377, 376, 375, 374, 373, 372, 371, 370, 369, - 368, 367, 366, 365, 364, 363, 362, 361, 360, 359, - 358, 357, 356, 355, 354, 353, 352, 351, 350, 349, - 348, 347, 346, 345, 344, 343, 342, 341, 340, 339, - 338, 337, 336, 335, 334, 333, 332, 331, 330, 329, - 328, 327, 326, 325, 324, 323, 322, 321, 320, 319, - 318, 317, 316, 315, 314, 313, 312, 311, 310, 309, - 308, 307, 306, 305, 304, 303, 302, 301, 300, 299, - - 298, 297, 296, 295, 294, 293, 292, 291, 290, 289, - 288, 287, 286, 285, 284, 283, 282, 281, 280, 279, - 278, 277, 276, 275, 274, 273, 272, 271, 270, 269, - 268, 267, 266, 265, 264, 263, 262, 261, 260, 259, - 258, 257, 256, 255, 254, 253, 252, 251, 247, 246, - 245, 244, 243, 242, 241, 240, 239, 238, 237, 236, - 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, - 221, 220, 219, 218, 217, 216, 213, 212, 211, 210, - 209, 206, 205, 204, 203, 202, 201, 200, 199, 198, - 197, 196, 131, 130, 128, 195, 192, 191, 188, 187, - - 186, 185, 182, 181, 176, 170, 169, 168, 167, 166, - 165, 162, 158, 157, 156, 155, 154, 153, 152, 151, - 150, 149, 145, 144, 138, 137, 136, 135, 132, 398, - 131, 130, 128, 120, 106, 98, 69, 66, 62, 61, - 398, 58, 58, 56, 56, 54, 54, 9, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398 - - } ; - -static yyconst flex_int16_t yy_chk[499] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 11, 11, 12, 12, 25, 32, 25, 28, 28, 33, - 32, 34, 48, 33, 48, 34, 33, 64, 34, 64, - 37, 34, 35, 36, 34, 36, 35, 37, 40, 33, - 37, 39, 35, 37, 42, 36, 37, 43, 40, 39, - 42, 45, 72, 46, 39, 43, 46, 43, 110, 43, - - 45, 45, 43, 47, 50, 46, 110, 54, 72, 46, - 47, 50, 54, 46, 59, 59, 78, 47, 79, 79, - 82, 97, 78, 94, 106, 107, 79, 118, 404, 82, - 106, 109, 113, 97, 145, 145, 82, 118, 94, 94, - 107, 121, 109, 113, 107, 121, 124, 125, 160, 151, - 161, 124, 125, 151, 188, 188, 402, 396, 395, 394, - 161, 393, 392, 160, 391, 389, 188, 399, 399, 399, - 399, 399, 399, 400, 400, 400, 400, 400, 400, 401, - 401, 401, 401, 401, 401, 403, 403, 405, 405, 405, - 388, 405, 405, 406, 406, 406, 406, 406, 406, 407, - - 407, 387, 407, 407, 407, 408, 386, 408, 408, 408, - 408, 385, 384, 383, 382, 381, 380, 378, 377, 374, - 372, 370, 368, 367, 366, 364, 361, 359, 358, 357, - 356, 354, 352, 351, 348, 347, 345, 344, 343, 340, - 339, 336, 334, 333, 332, 331, 328, 327, 326, 324, - 323, 321, 319, 317, 316, 315, 313, 311, 307, 306, - 302, 301, 300, 299, 298, 297, 296, 294, 293, 291, - 290, 289, 288, 287, 286, 285, 284, 282, 281, 280, - 278, 276, 272, 271, 270, 269, 268, 267, 266, 264, - 263, 262, 260, 258, 256, 255, 254, 253, 252, 251, - - 250, 249, 248, 246, 245, 244, 243, 242, 241, 240, - 239, 238, 237, 235, 234, 233, 230, 226, 224, 223, - 222, 221, 220, 218, 217, 215, 213, 212, 210, 209, - 208, 207, 206, 205, 204, 203, 202, 201, 198, 197, - 196, 195, 194, 193, 192, 191, 190, 189, 187, 186, - 185, 183, 181, 179, 178, 177, 176, 175, 174, 173, - 172, 171, 169, 168, 167, 166, 165, 164, 163, 162, - 159, 158, 157, 155, 154, 153, 150, 149, 148, 147, - 146, 144, 143, 142, 141, 140, 139, 138, 137, 136, - 135, 134, 131, 130, 128, 122, 120, 119, 117, 116, - - 115, 114, 112, 111, 108, 105, 104, 103, 100, 99, - 98, 96, 92, 91, 90, 89, 88, 87, 86, 85, - 84, 83, 81, 80, 77, 75, 74, 73, 71, 65, - 63, 58, 56, 49, 44, 41, 30, 26, 24, 23, - 9, 8, 7, 6, 5, 4, 3, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398, 398, 398, - 398, 398, 398, 398, 398, 398, 398, 398 - - } ; - -static yy_state_type yy_last_accepting_state; -static char *yy_last_accepting_cpos; - -static int yy_flex_debug; -static int yy_flex_debug = 0; - -/* The intent behind this definition is that it'll catch - * any uses of REJECT which flex missed. - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -static char *yytext; -#line 1 "pars0lex.l" -/**************************************************//** -SQL parser lexical analyzer: input file for the GNU Flex lexer generator - -(c) 1997 Innobase Oy - -Created 12/14/1997 Heikki Tuuri -Published under the GPL version 2 - -The InnoDB parser is frozen because MySQL takes care of SQL parsing. -Therefore we normally keep the InnoDB parser C files as they are, and do -not automatically generate them from pars0grm.y and pars0lex.l. - -How to make the InnoDB parser and lexer C files: - -1. Run ./make_flex.sh to generate lexer files. - -2. Run ./make_bison.sh to generate parser files. - -These instructions seem to work at least with bison-1.875d and flex-2.5.31 on -Linux. -*******************************************************/ -#define YY_NO_INPUT 1 -#define YY_NO_UNISTD_H 1 -#line 38 "pars0lex.l" -#define YYSTYPE que_node_t* - -#include "univ.i" -#include "pars0pars.h" -#include "pars0grm.h" -#include "pars0sym.h" -#include "mem0mem.h" -#include "os0proc.h" - -#define malloc(A) ut_malloc(A) -#define free(A) ut_free(A) -#define realloc(P, A) ut_realloc(P, A) -#define exit(A) ut_error - -#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result, max_size) - -/* String buffer for removing quotes */ -static ulint stringbuf_len_alloc = 0; /* Allocated length */ -static ulint stringbuf_len = 0; /* Current length */ -static char* stringbuf; /* Start of buffer */ -/** Appends a string to the buffer. */ -static -void -string_append( -/*==========*/ - const char* str, /*!< in: string to be appended */ - ulint len) /*!< in: length of the string */ -{ - if (stringbuf == NULL) { - stringbuf = malloc(1); - stringbuf_len_alloc = 1; - } - - if (stringbuf_len + len > stringbuf_len_alloc) { - while (stringbuf_len + len > stringbuf_len_alloc) { - stringbuf_len_alloc <<= 1; - } - stringbuf = realloc(stringbuf, stringbuf_len_alloc); - } - - memcpy(stringbuf + stringbuf_len, str, len); - stringbuf_len += len; -} - - - - -#line 759 "lexyy.c" - -#define INITIAL 0 -#define comment 1 -#define quoted 2 -#define id 3 - -#ifndef YY_NO_UNISTD_H -/* Special case for "unistd.h", since it is non-ANSI. We include it way - * down here because we want the user's section 1 to have been scanned first. - * The user has a chance to override it with an option. - */ -#include -#endif - -#ifndef YY_EXTRA_TYPE -#define YY_EXTRA_TYPE void * -#endif - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int yywrap (void ); -#else -extern int yywrap (void ); -#endif -#endif - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ); -#endif - -#ifndef YY_NO_INPUT - -#ifdef __cplusplus -static int yyinput (void ); -#else -static int input (void ); -#endif - -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#endif - -/* Copy whatever the last rule matched to the standard output. */ -#ifndef ECHO -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - else \ - { \ - errno=0; \ - while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ - { \ - if( errno != EINTR) \ - { \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - break; \ - } \ - errno=0; \ - clearerr(yyin); \ - } \ - }\ -\ - -#endif - -/* No semi-colon after return; correct usage is to write "yyterminate();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#ifndef yyterminate -#define yyterminate() return YY_NULL -#endif - -/* Number of entries by which start-condition stack grows. */ -#ifndef YY_START_STACK_INCR -#define YY_START_STACK_INCR 25 -#endif - -/* Report a fatal error. */ -#ifndef YY_FATAL_ERROR -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) -#endif - -/* end tables serialization structures and prototypes */ - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL_IS_OURS 1 - -UNIV_INTERN int yylex (void); - -#define YY_DECL UNIV_INTERN int yylex (void) -#endif /* !YY_DECL */ - -/* Code executed at the beginning of each rule, after yytext and yyleng - * have been set up. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#define YY_RULE_SETUP \ - YY_USER_ACTION - -/** The main scanner function which does all the work. - */ -YY_DECL -{ - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - -#line 92 "pars0lex.l" - - -#line 914 "lexyy.c" - - if ( (yy_init) ) - { - (yy_init) = 0; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! (yy_start) ) - (yy_start) = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( ! YY_CURRENT_BUFFER ) { - yyensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - yy_create_buffer(yyin,YY_BUF_SIZE ); - } - - yy_load_buffer_state( ); - } - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = (yy_c_buf_p); - - /* Support of yytext. */ - *yy_cp = (yy_hold_char); - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - - yy_current_state = (yy_start); -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 399 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_current_state != 398 ); - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - -yy_find_action: - yy_act = yy_accept[yy_current_state]; - - YY_DO_BEFORE_ACTION; - -do_action: /* This label is used only to access EOF actions. */ - - switch ( yy_act ) - { /* beginning of action switch */ - case 0: /* must back up */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = (yy_hold_char); - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - goto yy_find_action; - -case 1: -YY_RULE_SETUP -#line 94 "pars0lex.l" -{ - yylval = sym_tab_add_int_lit(pars_sym_tab_global, - atoi(yytext)); - return(PARS_INT_LIT); -} - YY_BREAK -case 2: -YY_RULE_SETUP -#line 100 "pars0lex.l" -{ - ut_error; /* not implemented */ - - return(PARS_FLOAT_LIT); -} - YY_BREAK -case 3: -YY_RULE_SETUP -#line 106 "pars0lex.l" -{ - ulint type; - - yylval = sym_tab_add_bound_lit(pars_sym_tab_global, - yytext + 1, &type); - - return((int) type); -} - YY_BREAK -case 4: -YY_RULE_SETUP -#line 115 "pars0lex.l" -{ - yylval = sym_tab_add_bound_id(pars_sym_tab_global, - yytext + 1); - - return(PARS_ID_TOKEN); -} - YY_BREAK -case 5: -YY_RULE_SETUP -#line 122 "pars0lex.l" -{ -/* Quoted character string literals are handled in an explicit -start state 'quoted'. This state is entered and the buffer for -the scanned string is emptied upon encountering a starting quote. - -In the state 'quoted', only two actions are possible (defined below). */ - BEGIN(quoted); - stringbuf_len = 0; -} - YY_BREAK -case 6: -/* rule 6 can match eol */ -YY_RULE_SETUP -#line 131 "pars0lex.l" -{ - /* Got a sequence of characters other than "'": - append to string buffer */ - string_append(yytext, yyleng); -} - YY_BREAK -case 7: -YY_RULE_SETUP -#line 136 "pars0lex.l" -{ - /* Got a sequence of "'" characters: - append half of them to string buffer, - as "''" represents a single "'". - We apply truncating division, - so that "'''" will result in "'". */ - - string_append(yytext, yyleng / 2); - - /* If we got an odd number of quotes, then the - last quote we got is the terminating quote. - At the end of the string, we return to the - initial start state and report the scanned - string literal. */ - - if (yyleng % 2) { - BEGIN(INITIAL); - yylval = sym_tab_add_str_lit( - pars_sym_tab_global, - (byte*) stringbuf, stringbuf_len); - return(PARS_STR_LIT); - } -} - YY_BREAK -case 8: -YY_RULE_SETUP -#line 160 "pars0lex.l" -{ -/* Quoted identifiers are handled in an explicit start state 'id'. -This state is entered and the buffer for the scanned string is emptied -upon encountering a starting quote. - -In the state 'id', only two actions are possible (defined below). */ - BEGIN(id); - stringbuf_len = 0; -} - YY_BREAK -case 9: -/* rule 9 can match eol */ -YY_RULE_SETUP -#line 169 "pars0lex.l" -{ - /* Got a sequence of characters other than '"': - append to string buffer */ - string_append(yytext, yyleng); -} - YY_BREAK -case 10: -YY_RULE_SETUP -#line 174 "pars0lex.l" -{ - /* Got a sequence of '"' characters: - append half of them to string buffer, - as '""' represents a single '"'. - We apply truncating division, - so that '"""' will result in '"'. */ - - string_append(yytext, yyleng / 2); - - /* If we got an odd number of quotes, then the - last quote we got is the terminating quote. - At the end of the string, we return to the - initial start state and report the scanned - identifier. */ - - if (yyleng % 2) { - BEGIN(INITIAL); - yylval = sym_tab_add_id( - pars_sym_tab_global, - (byte*) stringbuf, stringbuf_len); - - return(PARS_ID_TOKEN); - } -} - YY_BREAK -case 11: -YY_RULE_SETUP -#line 199 "pars0lex.l" -{ - yylval = sym_tab_add_null_lit(pars_sym_tab_global); - - return(PARS_NULL_LIT); -} - YY_BREAK -case 12: -YY_RULE_SETUP -#line 205 "pars0lex.l" -{ - /* Implicit cursor name */ - yylval = sym_tab_add_str_lit(pars_sym_tab_global, - (byte*) yytext, yyleng); - return(PARS_SQL_TOKEN); -} - YY_BREAK -case 13: -YY_RULE_SETUP -#line 212 "pars0lex.l" -{ - return(PARS_AND_TOKEN); -} - YY_BREAK -case 14: -YY_RULE_SETUP -#line 216 "pars0lex.l" -{ - return(PARS_OR_TOKEN); -} - YY_BREAK -case 15: -YY_RULE_SETUP -#line 220 "pars0lex.l" -{ - return(PARS_NOT_TOKEN); -} - YY_BREAK -case 16: -YY_RULE_SETUP -#line 224 "pars0lex.l" -{ - return(PARS_PROCEDURE_TOKEN); -} - YY_BREAK -case 17: -YY_RULE_SETUP -#line 228 "pars0lex.l" -{ - return(PARS_IN_TOKEN); -} - YY_BREAK -case 18: -YY_RULE_SETUP -#line 232 "pars0lex.l" -{ - return(PARS_OUT_TOKEN); -} - YY_BREAK -case 19: -YY_RULE_SETUP -#line 236 "pars0lex.l" -{ - return(PARS_BINARY_TOKEN); -} - YY_BREAK -case 20: -YY_RULE_SETUP -#line 240 "pars0lex.l" -{ - return(PARS_BLOB_TOKEN); -} - YY_BREAK -case 21: -YY_RULE_SETUP -#line 244 "pars0lex.l" -{ - return(PARS_INT_TOKEN); -} - YY_BREAK -case 22: -YY_RULE_SETUP -#line 248 "pars0lex.l" -{ - return(PARS_INT_TOKEN); -} - YY_BREAK -case 23: -YY_RULE_SETUP -#line 252 "pars0lex.l" -{ - return(PARS_FLOAT_TOKEN); -} - YY_BREAK -case 24: -YY_RULE_SETUP -#line 256 "pars0lex.l" -{ - return(PARS_CHAR_TOKEN); -} - YY_BREAK -case 25: -YY_RULE_SETUP -#line 260 "pars0lex.l" -{ - return(PARS_IS_TOKEN); -} - YY_BREAK -case 26: -YY_RULE_SETUP -#line 264 "pars0lex.l" -{ - return(PARS_BEGIN_TOKEN); -} - YY_BREAK -case 27: -YY_RULE_SETUP -#line 268 "pars0lex.l" -{ - return(PARS_END_TOKEN); -} - YY_BREAK -case 28: -YY_RULE_SETUP -#line 272 "pars0lex.l" -{ - return(PARS_IF_TOKEN); -} - YY_BREAK -case 29: -YY_RULE_SETUP -#line 276 "pars0lex.l" -{ - return(PARS_THEN_TOKEN); -} - YY_BREAK -case 30: -YY_RULE_SETUP -#line 280 "pars0lex.l" -{ - return(PARS_ELSE_TOKEN); -} - YY_BREAK -case 31: -YY_RULE_SETUP -#line 284 "pars0lex.l" -{ - return(PARS_ELSIF_TOKEN); -} - YY_BREAK -case 32: -YY_RULE_SETUP -#line 288 "pars0lex.l" -{ - return(PARS_LOOP_TOKEN); -} - YY_BREAK -case 33: -YY_RULE_SETUP -#line 292 "pars0lex.l" -{ - return(PARS_WHILE_TOKEN); -} - YY_BREAK -case 34: -YY_RULE_SETUP -#line 296 "pars0lex.l" -{ - return(PARS_RETURN_TOKEN); -} - YY_BREAK -case 35: -YY_RULE_SETUP -#line 300 "pars0lex.l" -{ - return(PARS_SELECT_TOKEN); -} - YY_BREAK -case 36: -YY_RULE_SETUP -#line 304 "pars0lex.l" -{ - return(PARS_SUM_TOKEN); -} - YY_BREAK -case 37: -YY_RULE_SETUP -#line 308 "pars0lex.l" -{ - return(PARS_COUNT_TOKEN); -} - YY_BREAK -case 38: -YY_RULE_SETUP -#line 312 "pars0lex.l" -{ - return(PARS_DISTINCT_TOKEN); -} - YY_BREAK -case 39: -YY_RULE_SETUP -#line 316 "pars0lex.l" -{ - return(PARS_FROM_TOKEN); -} - YY_BREAK -case 40: -YY_RULE_SETUP -#line 320 "pars0lex.l" -{ - return(PARS_WHERE_TOKEN); -} - YY_BREAK -case 41: -YY_RULE_SETUP -#line 324 "pars0lex.l" -{ - return(PARS_FOR_TOKEN); -} - YY_BREAK -case 42: -YY_RULE_SETUP -#line 328 "pars0lex.l" -{ - return(PARS_READ_TOKEN); -} - YY_BREAK -case 43: -YY_RULE_SETUP -#line 332 "pars0lex.l" -{ - return(PARS_ORDER_TOKEN); -} - YY_BREAK -case 44: -YY_RULE_SETUP -#line 336 "pars0lex.l" -{ - return(PARS_BY_TOKEN); -} - YY_BREAK -case 45: -YY_RULE_SETUP -#line 340 "pars0lex.l" -{ - return(PARS_ASC_TOKEN); -} - YY_BREAK -case 46: -YY_RULE_SETUP -#line 344 "pars0lex.l" -{ - return(PARS_DESC_TOKEN); -} - YY_BREAK -case 47: -YY_RULE_SETUP -#line 348 "pars0lex.l" -{ - return(PARS_INSERT_TOKEN); -} - YY_BREAK -case 48: -YY_RULE_SETUP -#line 352 "pars0lex.l" -{ - return(PARS_INTO_TOKEN); -} - YY_BREAK -case 49: -YY_RULE_SETUP -#line 356 "pars0lex.l" -{ - return(PARS_VALUES_TOKEN); -} - YY_BREAK -case 50: -YY_RULE_SETUP -#line 360 "pars0lex.l" -{ - return(PARS_UPDATE_TOKEN); -} - YY_BREAK -case 51: -YY_RULE_SETUP -#line 364 "pars0lex.l" -{ - return(PARS_SET_TOKEN); -} - YY_BREAK -case 52: -YY_RULE_SETUP -#line 368 "pars0lex.l" -{ - return(PARS_DELETE_TOKEN); -} - YY_BREAK -case 53: -YY_RULE_SETUP -#line 372 "pars0lex.l" -{ - return(PARS_CURRENT_TOKEN); -} - YY_BREAK -case 54: -YY_RULE_SETUP -#line 376 "pars0lex.l" -{ - return(PARS_OF_TOKEN); -} - YY_BREAK -case 55: -YY_RULE_SETUP -#line 380 "pars0lex.l" -{ - return(PARS_CREATE_TOKEN); -} - YY_BREAK -case 56: -YY_RULE_SETUP -#line 384 "pars0lex.l" -{ - return(PARS_TABLE_TOKEN); -} - YY_BREAK -case 57: -YY_RULE_SETUP -#line 388 "pars0lex.l" -{ - return(PARS_INDEX_TOKEN); -} - YY_BREAK -case 58: -YY_RULE_SETUP -#line 392 "pars0lex.l" -{ - return(PARS_UNIQUE_TOKEN); -} - YY_BREAK -case 59: -YY_RULE_SETUP -#line 396 "pars0lex.l" -{ - return(PARS_CLUSTERED_TOKEN); -} - YY_BREAK -case 60: -YY_RULE_SETUP -#line 400 "pars0lex.l" -{ - return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); -} - YY_BREAK -case 61: -YY_RULE_SETUP -#line 404 "pars0lex.l" -{ - return(PARS_ON_TOKEN); -} - YY_BREAK -case 62: -YY_RULE_SETUP -#line 408 "pars0lex.l" -{ - return(PARS_DECLARE_TOKEN); -} - YY_BREAK -case 63: -YY_RULE_SETUP -#line 412 "pars0lex.l" -{ - return(PARS_CURSOR_TOKEN); -} - YY_BREAK -case 64: -YY_RULE_SETUP -#line 416 "pars0lex.l" -{ - return(PARS_OPEN_TOKEN); -} - YY_BREAK -case 65: -YY_RULE_SETUP -#line 420 "pars0lex.l" -{ - return(PARS_FETCH_TOKEN); -} - YY_BREAK -case 66: -YY_RULE_SETUP -#line 424 "pars0lex.l" -{ - return(PARS_CLOSE_TOKEN); -} - YY_BREAK -case 67: -YY_RULE_SETUP -#line 428 "pars0lex.l" -{ - return(PARS_NOTFOUND_TOKEN); -} - YY_BREAK -case 68: -YY_RULE_SETUP -#line 432 "pars0lex.l" -{ - return(PARS_TO_CHAR_TOKEN); -} - YY_BREAK -case 69: -YY_RULE_SETUP -#line 436 "pars0lex.l" -{ - return(PARS_TO_NUMBER_TOKEN); -} - YY_BREAK -case 70: -YY_RULE_SETUP -#line 440 "pars0lex.l" -{ - return(PARS_TO_BINARY_TOKEN); -} - YY_BREAK -case 71: -YY_RULE_SETUP -#line 444 "pars0lex.l" -{ - return(PARS_BINARY_TO_NUMBER_TOKEN); -} - YY_BREAK -case 72: -YY_RULE_SETUP -#line 448 "pars0lex.l" -{ - return(PARS_SUBSTR_TOKEN); -} - YY_BREAK -case 73: -YY_RULE_SETUP -#line 452 "pars0lex.l" -{ - return(PARS_REPLSTR_TOKEN); -} - YY_BREAK -case 74: -YY_RULE_SETUP -#line 456 "pars0lex.l" -{ - return(PARS_CONCAT_TOKEN); -} - YY_BREAK -case 75: -YY_RULE_SETUP -#line 460 "pars0lex.l" -{ - return(PARS_INSTR_TOKEN); -} - YY_BREAK -case 76: -YY_RULE_SETUP -#line 464 "pars0lex.l" -{ - return(PARS_LENGTH_TOKEN); -} - YY_BREAK -case 77: -YY_RULE_SETUP -#line 468 "pars0lex.l" -{ - return(PARS_SYSDATE_TOKEN); -} - YY_BREAK -case 78: -YY_RULE_SETUP -#line 472 "pars0lex.l" -{ - return(PARS_PRINTF_TOKEN); -} - YY_BREAK -case 79: -YY_RULE_SETUP -#line 476 "pars0lex.l" -{ - return(PARS_ASSERT_TOKEN); -} - YY_BREAK -case 80: -YY_RULE_SETUP -#line 480 "pars0lex.l" -{ - return(PARS_RND_TOKEN); -} - YY_BREAK -case 81: -YY_RULE_SETUP -#line 484 "pars0lex.l" -{ - return(PARS_RND_STR_TOKEN); -} - YY_BREAK -case 82: -YY_RULE_SETUP -#line 488 "pars0lex.l" -{ - return(PARS_ROW_PRINTF_TOKEN); -} - YY_BREAK -case 83: -YY_RULE_SETUP -#line 492 "pars0lex.l" -{ - return(PARS_COMMIT_TOKEN); -} - YY_BREAK -case 84: -YY_RULE_SETUP -#line 496 "pars0lex.l" -{ - return(PARS_ROLLBACK_TOKEN); -} - YY_BREAK -case 85: -YY_RULE_SETUP -#line 500 "pars0lex.l" -{ - return(PARS_WORK_TOKEN); -} - YY_BREAK -case 86: -YY_RULE_SETUP -#line 504 "pars0lex.l" -{ - return(PARS_UNSIGNED_TOKEN); -} - YY_BREAK -case 87: -YY_RULE_SETUP -#line 508 "pars0lex.l" -{ - return(PARS_EXIT_TOKEN); -} - YY_BREAK -case 88: -YY_RULE_SETUP -#line 512 "pars0lex.l" -{ - return(PARS_FUNCTION_TOKEN); -} - YY_BREAK -case 89: -YY_RULE_SETUP -#line 516 "pars0lex.l" -{ - return(PARS_LOCK_TOKEN); -} - YY_BREAK -case 90: -YY_RULE_SETUP -#line 520 "pars0lex.l" -{ - return(PARS_SHARE_TOKEN); -} - YY_BREAK -case 91: -YY_RULE_SETUP -#line 524 "pars0lex.l" -{ - return(PARS_MODE_TOKEN); -} - YY_BREAK -case 92: -YY_RULE_SETUP -#line 528 "pars0lex.l" -{ - yylval = sym_tab_add_id(pars_sym_tab_global, - (byte*)yytext, - ut_strlen(yytext)); - return(PARS_ID_TOKEN); -} - YY_BREAK -case 93: -YY_RULE_SETUP -#line 535 "pars0lex.l" -{ - return(PARS_DDOT_TOKEN); -} - YY_BREAK -case 94: -YY_RULE_SETUP -#line 539 "pars0lex.l" -{ - return(PARS_ASSIGN_TOKEN); -} - YY_BREAK -case 95: -YY_RULE_SETUP -#line 543 "pars0lex.l" -{ - return(PARS_LE_TOKEN); -} - YY_BREAK -case 96: -YY_RULE_SETUP -#line 547 "pars0lex.l" -{ - return(PARS_GE_TOKEN); -} - YY_BREAK -case 97: -YY_RULE_SETUP -#line 551 "pars0lex.l" -{ - return(PARS_NE_TOKEN); -} - YY_BREAK -case 98: -YY_RULE_SETUP -#line 555 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 99: -YY_RULE_SETUP -#line 560 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 100: -YY_RULE_SETUP -#line 565 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 101: -YY_RULE_SETUP -#line 570 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 102: -YY_RULE_SETUP -#line 575 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 103: -YY_RULE_SETUP -#line 580 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 104: -YY_RULE_SETUP -#line 585 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 105: -YY_RULE_SETUP -#line 590 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 106: -YY_RULE_SETUP -#line 595 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 107: -YY_RULE_SETUP -#line 600 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 108: -YY_RULE_SETUP -#line 605 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 109: -YY_RULE_SETUP -#line 610 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 110: -YY_RULE_SETUP -#line 615 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 111: -YY_RULE_SETUP -#line 620 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 112: -YY_RULE_SETUP -#line 625 "pars0lex.l" -{ - - return((int)(*yytext)); -} - YY_BREAK -case 113: -YY_RULE_SETUP -#line 630 "pars0lex.l" -BEGIN(comment); /* eat up comment */ - YY_BREAK -case 114: -/* rule 114 can match eol */ -YY_RULE_SETUP -#line 632 "pars0lex.l" - - YY_BREAK -case 115: -/* rule 115 can match eol */ -YY_RULE_SETUP -#line 633 "pars0lex.l" - - YY_BREAK -case 116: -YY_RULE_SETUP -#line 634 "pars0lex.l" -BEGIN(INITIAL); - YY_BREAK -case 117: -/* rule 117 can match eol */ -YY_RULE_SETUP -#line 636 "pars0lex.l" -/* eat up whitespace */ - YY_BREAK -case 118: -YY_RULE_SETUP -#line 639 "pars0lex.l" -{ - fprintf(stderr,"Unrecognized character: %02x\n", - *yytext); - - ut_error; - - return(0); -} - YY_BREAK -case 119: -YY_RULE_SETUP -#line 648 "pars0lex.l" -YY_FATAL_ERROR( "flex scanner jammed" ); - YY_BREAK -#line 1916 "lexyy.c" -case YY_STATE_EOF(INITIAL): -case YY_STATE_EOF(comment): -case YY_STATE_EOF(quoted): -case YY_STATE_EOF(id): - yyterminate(); - - case YY_END_OF_BUFFER: - { - /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = (yy_hold_char); - YY_RESTORE_YY_MORE_OFFSET - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) - { - /* We're scanning a new file or input source. It's - * possible that this happened because the user - * just pointed yyin at a new source and called - * yylex(). If so, then we have to assure - * consistency between YY_CURRENT_BUFFER and our - * globals. Here is the right place to do so, because - * this is the first action (other than possibly a - * back-up) that will match for the new input source. - */ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; - } - - /* Note that here we test for yy_c_buf_p "<=" to the position - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the - * end-of-buffer state). Contrast this with the test - * in input(). - */ - if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - { /* This was really a NUL. */ - yy_state_type yy_next_state; - - (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - /* Okay, we're now positioned to make the NUL - * transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we don't - * want to build jamming into it because then it - * will run more slowly). - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state ); - - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++(yy_c_buf_p); - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_END_OF_FILE: - { - (yy_did_buffer_switch_on_eof) = 0; - - if ( yywrap( ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * yytext, we can now set up - * yy_c_buf_p so that if some total - * hoser (like flex itself) wants to - * call the scanner after we return the - * YY_NULL, it'll still work - another - * YY_NULL will get returned. - */ - (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = - (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - (yy_c_buf_p) = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } /* end of action switch */ - } /* end of scanning one token */ -} /* end of yylex */ - -/* yy_get_next_buffer - try to read in a new buffer - * - * Returns a code representing an action: - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ -static int yy_get_next_buffer (void) -{ - register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; - register char *source = (yytext_ptr); - register int number_to_move, i; - int ret_val; - - if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) - { /* Don't try to fill the buffer, so this is an EOF. */ - if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) - { - /* We matched a single character, the EOB, so - * treat this as a final EOF. - */ - return EOB_ACT_END_OF_FILE; - } - - else - { - /* We matched some text prior to the EOB, first - * process it. - */ - return EOB_ACT_LAST_MATCH; - } - } - - /* Try to read more data. */ - - /* First move last chars to start of buffer. */ - number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) - /* don't do the read, it's not guaranteed to return an EOF, - * just force an EOF - */ - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; - - else - { - size_t num_to_read = - YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER; - - int yy_c_buf_p_offset = - (int) ((yy_c_buf_p) - b->yy_ch_buf); - - if ( b->yy_is_our_buffer ) - { - int new_size = b->yy_buf_size * 2; - - if ( new_size <= 0 ) - b->yy_buf_size += b->yy_buf_size / 8; - else - b->yy_buf_size *= 2; - - b->yy_ch_buf = (char *) - /* Include room in for 2 EOB chars. */ - yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - (yy_n_chars), num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - if ( (yy_n_chars) == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - yyrestart(yyin ); - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - (yy_n_chars) += number_to_move; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; - - (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; - - return ret_val; -} - -/* yy_get_previous_state - get the state just before the EOB char was reached */ - - static yy_state_type yy_get_previous_state (void) -{ - register yy_state_type yy_current_state; - register char *yy_cp; - - yy_current_state = (yy_start); - - for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 399 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - } - - return yy_current_state; -} - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) -{ - register int yy_is_jam; - register char *yy_cp = (yy_c_buf_p); - - register YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 399 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 398); - - return yy_is_jam ? 0 : yy_current_state; -} - -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (void) -#else - static int input (void) -#endif - -{ - int c; - - *(yy_c_buf_p) = (yy_hold_char); - - if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - /* This was really a NUL. */ - *(yy_c_buf_p) = '\0'; - - else - { /* need more input */ - int offset = (int)((yy_c_buf_p) - (yytext_ptr)); - ++(yy_c_buf_p); - - switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_LAST_MATCH: - /* This happens because yy_g_n_b() - * sees that we've accumulated a - * token and flags that we need to - * try matching the token before - * proceeding. But for input(), - * there's no matching to consider. - * So convert the EOB_ACT_LAST_MATCH - * to EOB_ACT_END_OF_FILE. - */ - - /* Reset buffer status. */ - yyrestart(yyin ); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( yywrap( ) ) - return EOF; - - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(); -#else - return input(); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = (yytext_ptr) + offset; - break; - } - } - } - - c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ - *(yy_c_buf_p) = '\0'; /* preserve yytext */ - (yy_hold_char) = *++(yy_c_buf_p); - - return c; -} -#endif /* ifndef YY_NO_INPUT */ - -/** Immediately switch to a different input stream. - * @param input_file A readable stream. - * - * @note This function does not reset the start condition to @c INITIAL . - */ - static void yyrestart (FILE * input_file ) -{ - - if ( ! YY_CURRENT_BUFFER ){ - yyensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - yy_create_buffer(yyin,YY_BUF_SIZE ); - } - - yy_init_buffer(YY_CURRENT_BUFFER,input_file ); - yy_load_buffer_state( ); -} - -/** Switch to a different input buffer. - * @param new_buffer The new input buffer. - * - */ - __attribute__((unused)) static void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) -{ - - /* TODO. We should be able to replace this entire function body - * with - * yypop_buffer_state(); - * yypush_buffer_state(new_buffer); - */ - yyensure_buffer_stack (); - if ( YY_CURRENT_BUFFER == new_buffer ) - return; - - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - YY_CURRENT_BUFFER_LVALUE = new_buffer; - yy_load_buffer_state( ); - - /* We don't actually know whether we did this switch during - * EOF (yywrap()) processing, but the only time this flag - * is looked at is after yywrap() is called, so it's safe - * to go ahead and always set it. - */ - (yy_did_buffer_switch_on_eof) = 1; -} - -static void yy_load_buffer_state (void) -{ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; - yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; - (yy_hold_char) = *(yy_c_buf_p); -} - -/** Allocate and initialize an input buffer state. - * @param file A readable stream. - * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. - * - * @return the allocated buffer state. - */ - static YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) -{ - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_is_our_buffer = 1; - - yy_init_buffer(b,file ); - - return b; -} - -/** Destroy the buffer. - * @param b a buffer created with yy_create_buffer() - * - */ - static void yy_delete_buffer (YY_BUFFER_STATE b ) -{ - - if ( ! b ) - return; - - if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ - YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - yyfree((void *) b->yy_ch_buf ); - - yyfree((void *) b ); -} - -/* Initializes or reinitializes a buffer. - * This function is sometimes called more than once on the same buffer, - * such as during a yyrestart() or at EOF. - */ - static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) - -{ - int oerrno = errno; - - yy_flush_buffer(b ); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* If b is the current buffer, then yy_init_buffer was _probably_ - * called from yyrestart() or through yy_get_next_buffer. - * In that case, we don't want to reset the lineno or column. - */ - if (b != YY_CURRENT_BUFFER){ - b->yy_bs_lineno = 1; - b->yy_bs_column = 0; - } - - b->yy_is_interactive = 0; - - errno = oerrno; -} - -/** Discard all buffered characters. On the next scan, YY_INPUT will be called. - * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. - * - */ - static void yy_flush_buffer (YY_BUFFER_STATE b ) -{ - if ( ! b ) - return; - - b->yy_n_chars = 0; - - /* We always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[0]; - - b->yy_at_bol = 1; - b->yy_buffer_status = YY_BUFFER_NEW; - - if ( b == YY_CURRENT_BUFFER ) - yy_load_buffer_state( ); -} - -/** Pushes the new state onto the stack. The new state becomes - * the current state. This function will allocate the stack - * if necessary. - * @param new_buffer The new state. - * - */ -__attribute__((unused)) static void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) -{ - if (new_buffer == NULL) - return; - - yyensure_buffer_stack(); - - /* This block is copied from yy_switch_to_buffer. */ - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - /* Only push if top exists. Otherwise, replace top. */ - if (YY_CURRENT_BUFFER) - (yy_buffer_stack_top)++; - YY_CURRENT_BUFFER_LVALUE = new_buffer; - - /* copied from yy_switch_to_buffer. */ - yy_load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; -} - -/** Removes and deletes the top of the stack, if present. - * The next element becomes the new top. - * - */ -__attribute__((unused)) static void yypop_buffer_state (void) -{ - if (!YY_CURRENT_BUFFER) - return; - - yy_delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - if ((yy_buffer_stack_top) > 0) - --(yy_buffer_stack_top); - - if (YY_CURRENT_BUFFER) { - yy_load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; - } -} - -/* Allocates the stack if it does not exist. - * Guarantees space for at least one push. - */ -static void yyensure_buffer_stack (void) -{ - int num_to_alloc; - - if (!(yy_buffer_stack)) { - - /* First allocation is just for 2 elements, since we don't know if this - * scanner will even need a stack. We use 2 instead of 1 to avoid an - * immediate realloc on the next call. - */ - num_to_alloc = 1; - (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc - (num_to_alloc * sizeof(struct yy_buffer_state*) - ); - - memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); - - (yy_buffer_stack_max) = num_to_alloc; - (yy_buffer_stack_top) = 0; - return; - } - - if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ - - /* Increase the buffer to prepare for a possible push. */ - int grow_size = 8 /* arbitrary grow size */; - - num_to_alloc = (yy_buffer_stack_max) + grow_size; - (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc - ((yy_buffer_stack), - num_to_alloc * sizeof(struct yy_buffer_state*) - ); - - /* zero only the new slots.*/ - memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); - (yy_buffer_stack_max) = num_to_alloc; - } -} - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -static void yy_fatal_error (yyconst char* msg ) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - yytext[yyleng] = (yy_hold_char); \ - (yy_c_buf_p) = yytext + yyless_macro_arg; \ - (yy_hold_char) = *(yy_c_buf_p); \ - *(yy_c_buf_p) = '\0'; \ - yyleng = yyless_macro_arg; \ - } \ - while ( 0 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/** Get the current line number. - * - */ -__attribute__((unused)) static int yyget_lineno (void) -{ - - return yylineno; -} - -/** Get the input stream. - * - */ -__attribute__((unused)) static FILE *yyget_in (void) -{ - return yyin; -} - -/** Get the output stream. - * - */ -__attribute__((unused)) static FILE *yyget_out (void) -{ - return yyout; -} - -/** Get the length of the current token. - * - */ -__attribute__((unused)) static int yyget_leng (void) -{ - return yyleng; -} - -/** Get the current token. - * - */ - -__attribute__((unused)) static char *yyget_text (void) -{ - return yytext; -} - -/** Set the current line number. - * @param line_number - * - */ -__attribute__((unused)) static void yyset_lineno (int line_number ) -{ - - yylineno = line_number; -} - -/** Set the input stream. This does not discard the current - * input buffer. - * @param in_str A readable stream. - * - * @see yy_switch_to_buffer - */ -__attribute__((unused)) static void yyset_in (FILE * in_str ) -{ - yyin = in_str ; -} - -__attribute__((unused)) static void yyset_out (FILE * out_str ) -{ - yyout = out_str ; -} - -__attribute__((unused)) static int yyget_debug (void) -{ - return yy_flex_debug; -} - -__attribute__((unused)) static void yyset_debug (int bdebug ) -{ - yy_flex_debug = bdebug ; -} - -/* yylex_destroy is for both reentrant and non-reentrant scanners. */ -__attribute__((unused)) static int yylex_destroy (void) -{ - - /* Pop the buffer stack, destroying each element. */ - while(YY_CURRENT_BUFFER){ - yy_delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - yypop_buffer_state(); - } - - /* Destroy the stack itself. */ - yyfree((yy_buffer_stack) ); - (yy_buffer_stack) = NULL; - - return 0; -} - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) -{ - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; -} -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * s ) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -static void *yyalloc (yy_size_t size ) -{ - return (void *) malloc( size ); -} - -static void *yyrealloc (void * ptr, yy_size_t size ) -{ - /* The cast to (char *) in the following accommodates both - * implementations that use char* generic pointers, and those - * that use void* generic pointers. It works with the latter - * because both ANSI C and C++ allow castless assignment from - * any pointer type to void*, and deal with argument conversions - * as though doing an assignment. - */ - return (void *) realloc( (char *) ptr, size ); -} - -static void yyfree (void * ptr ) -{ - free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ -} - -#define YYTABLES_NAME "yytables" - -#undef YY_NEW_FILE -#undef YY_FLUSH_BUFFER -#undef yy_set_bol -#undef yy_new_buffer -#undef yy_set_interactive -#undef yytext_ptr -#undef YY_DO_BEFORE_ACTION - -#ifdef YY_DECL_IS_OURS -#undef YY_DECL_IS_OURS -#undef YY_DECL -#endif -#line 648 "pars0lex.l" - - - - -/********************************************************************** -Release any resources used by the lexer. */ -UNIV_INTERN -void -pars_lexer_close(void) -/*==================*/ -{ - yylex_destroy(); - free(stringbuf); - stringbuf = NULL; - stringbuf_len_alloc = stringbuf_len = 0; -} diff --git a/perfschema/pars/make_bison.sh b/perfschema/pars/make_bison.sh deleted file mode 100755 index 09bb86e3106..00000000000 --- a/perfschema/pars/make_bison.sh +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/bash -# -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# -# generate parser files from bison input files. - -set -eu -TMPFILE=pars0grm.tab.c -OUTFILE=pars0grm.c - -bison -d pars0grm.y -mv pars0grm.tab.h ../include/pars0grm.h - -sed -e ' -s/'"$TMPFILE"'/'"$OUTFILE"'/; -s/^\(\(YYSTYPE\|int\) yy\(char\|nerrs\)\)/static \1/; -s/\(\(YYSTYPE\|int\) yy\(lval\|parse\)\)/UNIV_INTERN \1/; -' < "$TMPFILE" > "$OUTFILE" - -rm "$TMPFILE" diff --git a/perfschema/pars/make_flex.sh b/perfschema/pars/make_flex.sh deleted file mode 100755 index 89308a6636f..00000000000 --- a/perfschema/pars/make_flex.sh +++ /dev/null @@ -1,48 +0,0 @@ -#!/bin/bash -# -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# -# generate lexer files from flex input files. - -set -eu - -TMPFILE=_flex_tmp.c -OUTFILE=lexyy.c - -flex -o $TMPFILE pars0lex.l - -# AIX needs its includes done in a certain order, so include "univ.i" first -# to be sure we get it right. -echo '#include "univ.i"' > $OUTFILE - -# flex assigns a pointer to an int in one place without a cast, resulting in -# a warning on Win64. Add the cast. Also define some symbols as static. -sed -e ' -s/'"$TMPFILE"'/'"$OUTFILE"'/; -s/\(int offset = \)\((yy_c_buf_p) - (yytext_ptr)\);/\1(int)(\2);/; -s/\(void yy\(restart\|_\(delete\|flush\)_buffer\)\)/static \1/; -s/\(void yy_switch_to_buffer\)/__attribute__((unused)) static \1/; -s/\(void yy\(push\|pop\)_buffer_state\)/__attribute__((unused)) static \1/; -s/\(YY_BUFFER_STATE yy_create_buffer\)/static \1/; -s/\(\(int\|void\) yy[gs]et_\)/__attribute__((unused)) static \1/; -s/\(void \*\?yy\(\(re\)\?alloc\|free\)\)/static \1/; -s/\(extern \)\?\(int yy\(leng\|lineno\|_flex_debug\)\)/static \2/; -s/\(int yylex_destroy\)/__attribute__((unused)) static \1/; -s/\(extern \)\?\(int yylex \)/UNIV_INTERN \2/; -s/^\(\(FILE\|char\) *\* *yyget\)/__attribute__((unused)) static \1/; -s/^\(extern \)\?\(\(FILE\|char\) *\* *yy\)/static \2/; -' < $TMPFILE >> $OUTFILE - -rm $TMPFILE diff --git a/perfschema/pars/pars0grm.c b/perfschema/pars/pars0grm.c deleted file mode 100644 index d667970735e..00000000000 --- a/perfschema/pars/pars0grm.c +++ /dev/null @@ -1,2601 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software -Foundation, Inc. - -As a special exception, when this file is copied by Bison into a -Bison output file, you may use that output file without restriction. -This special exception was added by the Free Software Foundation -in version 1.24 of Bison. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/* A Bison parser, made by GNU Bison 2.0. */ - -/* Written by Richard Stallman by simplifying the original so called - ``semantic'' parser. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -/* Identify Bison output. */ -#define YYBISON 1 - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 0 - -/* Using locations. */ -#define YYLSP_NEEDED 0 - - - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - PARS_INT_LIT = 258, - PARS_FLOAT_LIT = 259, - PARS_STR_LIT = 260, - PARS_FIXBINARY_LIT = 261, - PARS_BLOB_LIT = 262, - PARS_NULL_LIT = 263, - PARS_ID_TOKEN = 264, - PARS_AND_TOKEN = 265, - PARS_OR_TOKEN = 266, - PARS_NOT_TOKEN = 267, - PARS_GE_TOKEN = 268, - PARS_LE_TOKEN = 269, - PARS_NE_TOKEN = 270, - PARS_PROCEDURE_TOKEN = 271, - PARS_IN_TOKEN = 272, - PARS_OUT_TOKEN = 273, - PARS_BINARY_TOKEN = 274, - PARS_BLOB_TOKEN = 275, - PARS_INT_TOKEN = 276, - PARS_INTEGER_TOKEN = 277, - PARS_FLOAT_TOKEN = 278, - PARS_CHAR_TOKEN = 279, - PARS_IS_TOKEN = 280, - PARS_BEGIN_TOKEN = 281, - PARS_END_TOKEN = 282, - PARS_IF_TOKEN = 283, - PARS_THEN_TOKEN = 284, - PARS_ELSE_TOKEN = 285, - PARS_ELSIF_TOKEN = 286, - PARS_LOOP_TOKEN = 287, - PARS_WHILE_TOKEN = 288, - PARS_RETURN_TOKEN = 289, - PARS_SELECT_TOKEN = 290, - PARS_SUM_TOKEN = 291, - PARS_COUNT_TOKEN = 292, - PARS_DISTINCT_TOKEN = 293, - PARS_FROM_TOKEN = 294, - PARS_WHERE_TOKEN = 295, - PARS_FOR_TOKEN = 296, - PARS_DDOT_TOKEN = 297, - PARS_READ_TOKEN = 298, - PARS_ORDER_TOKEN = 299, - PARS_BY_TOKEN = 300, - PARS_ASC_TOKEN = 301, - PARS_DESC_TOKEN = 302, - PARS_INSERT_TOKEN = 303, - PARS_INTO_TOKEN = 304, - PARS_VALUES_TOKEN = 305, - PARS_UPDATE_TOKEN = 306, - PARS_SET_TOKEN = 307, - PARS_DELETE_TOKEN = 308, - PARS_CURRENT_TOKEN = 309, - PARS_OF_TOKEN = 310, - PARS_CREATE_TOKEN = 311, - PARS_TABLE_TOKEN = 312, - PARS_INDEX_TOKEN = 313, - PARS_UNIQUE_TOKEN = 314, - PARS_CLUSTERED_TOKEN = 315, - PARS_DOES_NOT_FIT_IN_MEM_TOKEN = 316, - PARS_ON_TOKEN = 317, - PARS_ASSIGN_TOKEN = 318, - PARS_DECLARE_TOKEN = 319, - PARS_CURSOR_TOKEN = 320, - PARS_SQL_TOKEN = 321, - PARS_OPEN_TOKEN = 322, - PARS_FETCH_TOKEN = 323, - PARS_CLOSE_TOKEN = 324, - PARS_NOTFOUND_TOKEN = 325, - PARS_TO_CHAR_TOKEN = 326, - PARS_TO_NUMBER_TOKEN = 327, - PARS_TO_BINARY_TOKEN = 328, - PARS_BINARY_TO_NUMBER_TOKEN = 329, - PARS_SUBSTR_TOKEN = 330, - PARS_REPLSTR_TOKEN = 331, - PARS_CONCAT_TOKEN = 332, - PARS_INSTR_TOKEN = 333, - PARS_LENGTH_TOKEN = 334, - PARS_SYSDATE_TOKEN = 335, - PARS_PRINTF_TOKEN = 336, - PARS_ASSERT_TOKEN = 337, - PARS_RND_TOKEN = 338, - PARS_RND_STR_TOKEN = 339, - PARS_ROW_PRINTF_TOKEN = 340, - PARS_COMMIT_TOKEN = 341, - PARS_ROLLBACK_TOKEN = 342, - PARS_WORK_TOKEN = 343, - PARS_UNSIGNED_TOKEN = 344, - PARS_EXIT_TOKEN = 345, - PARS_FUNCTION_TOKEN = 346, - PARS_LOCK_TOKEN = 347, - PARS_SHARE_TOKEN = 348, - PARS_MODE_TOKEN = 349, - NEG = 350 - }; -#endif -#define PARS_INT_LIT 258 -#define PARS_FLOAT_LIT 259 -#define PARS_STR_LIT 260 -#define PARS_FIXBINARY_LIT 261 -#define PARS_BLOB_LIT 262 -#define PARS_NULL_LIT 263 -#define PARS_ID_TOKEN 264 -#define PARS_AND_TOKEN 265 -#define PARS_OR_TOKEN 266 -#define PARS_NOT_TOKEN 267 -#define PARS_GE_TOKEN 268 -#define PARS_LE_TOKEN 269 -#define PARS_NE_TOKEN 270 -#define PARS_PROCEDURE_TOKEN 271 -#define PARS_IN_TOKEN 272 -#define PARS_OUT_TOKEN 273 -#define PARS_BINARY_TOKEN 274 -#define PARS_BLOB_TOKEN 275 -#define PARS_INT_TOKEN 276 -#define PARS_INTEGER_TOKEN 277 -#define PARS_FLOAT_TOKEN 278 -#define PARS_CHAR_TOKEN 279 -#define PARS_IS_TOKEN 280 -#define PARS_BEGIN_TOKEN 281 -#define PARS_END_TOKEN 282 -#define PARS_IF_TOKEN 283 -#define PARS_THEN_TOKEN 284 -#define PARS_ELSE_TOKEN 285 -#define PARS_ELSIF_TOKEN 286 -#define PARS_LOOP_TOKEN 287 -#define PARS_WHILE_TOKEN 288 -#define PARS_RETURN_TOKEN 289 -#define PARS_SELECT_TOKEN 290 -#define PARS_SUM_TOKEN 291 -#define PARS_COUNT_TOKEN 292 -#define PARS_DISTINCT_TOKEN 293 -#define PARS_FROM_TOKEN 294 -#define PARS_WHERE_TOKEN 295 -#define PARS_FOR_TOKEN 296 -#define PARS_DDOT_TOKEN 297 -#define PARS_READ_TOKEN 298 -#define PARS_ORDER_TOKEN 299 -#define PARS_BY_TOKEN 300 -#define PARS_ASC_TOKEN 301 -#define PARS_DESC_TOKEN 302 -#define PARS_INSERT_TOKEN 303 -#define PARS_INTO_TOKEN 304 -#define PARS_VALUES_TOKEN 305 -#define PARS_UPDATE_TOKEN 306 -#define PARS_SET_TOKEN 307 -#define PARS_DELETE_TOKEN 308 -#define PARS_CURRENT_TOKEN 309 -#define PARS_OF_TOKEN 310 -#define PARS_CREATE_TOKEN 311 -#define PARS_TABLE_TOKEN 312 -#define PARS_INDEX_TOKEN 313 -#define PARS_UNIQUE_TOKEN 314 -#define PARS_CLUSTERED_TOKEN 315 -#define PARS_DOES_NOT_FIT_IN_MEM_TOKEN 316 -#define PARS_ON_TOKEN 317 -#define PARS_ASSIGN_TOKEN 318 -#define PARS_DECLARE_TOKEN 319 -#define PARS_CURSOR_TOKEN 320 -#define PARS_SQL_TOKEN 321 -#define PARS_OPEN_TOKEN 322 -#define PARS_FETCH_TOKEN 323 -#define PARS_CLOSE_TOKEN 324 -#define PARS_NOTFOUND_TOKEN 325 -#define PARS_TO_CHAR_TOKEN 326 -#define PARS_TO_NUMBER_TOKEN 327 -#define PARS_TO_BINARY_TOKEN 328 -#define PARS_BINARY_TO_NUMBER_TOKEN 329 -#define PARS_SUBSTR_TOKEN 330 -#define PARS_REPLSTR_TOKEN 331 -#define PARS_CONCAT_TOKEN 332 -#define PARS_INSTR_TOKEN 333 -#define PARS_LENGTH_TOKEN 334 -#define PARS_SYSDATE_TOKEN 335 -#define PARS_PRINTF_TOKEN 336 -#define PARS_ASSERT_TOKEN 337 -#define PARS_RND_TOKEN 338 -#define PARS_RND_STR_TOKEN 339 -#define PARS_ROW_PRINTF_TOKEN 340 -#define PARS_COMMIT_TOKEN 341 -#define PARS_ROLLBACK_TOKEN 342 -#define PARS_WORK_TOKEN 343 -#define PARS_UNSIGNED_TOKEN 344 -#define PARS_EXIT_TOKEN 345 -#define PARS_FUNCTION_TOKEN 346 -#define PARS_LOCK_TOKEN 347 -#define PARS_SHARE_TOKEN 348 -#define PARS_MODE_TOKEN 349 -#define NEG 350 - - - - -/* Copy the first part of user declarations. */ -#line 13 "pars0grm.y" - -/* The value of the semantic attribute is a pointer to a query tree node -que_node_t */ - -#include "univ.i" -#include /* Can't be before univ.i */ -#include "pars0pars.h" -#include "mem0mem.h" -#include "que0types.h" -#include "que0que.h" -#include "row0sel.h" - -#define YYSTYPE que_node_t* - -/* #define __STDC__ */ - -int -yylex(void); - - -/* Enabling traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 0 -#endif - -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -typedef int YYSTYPE; -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 -#endif - - - -/* Copy the second part of user declarations. */ - - -/* Line 213 of yacc.c. */ -#line 297 "pars0grm.c" - -#if ! defined (yyoverflow) || YYERROR_VERBOSE - -# ifndef YYFREE -# define YYFREE free -# endif -# ifndef YYMALLOC -# define YYMALLOC malloc -# endif - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# ifdef YYSTACK_USE_ALLOCA -# if YYSTACK_USE_ALLOCA -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# else -# define YYSTACK_ALLOC alloca -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) -# else -# if defined (__STDC__) || defined (__cplusplus) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# endif -# define YYSTACK_ALLOC YYMALLOC -# define YYSTACK_FREE YYFREE -# endif -#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ - - -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - short int yyss; - YYSTYPE yyvs; - }; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAXIMUM) - -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if defined (__GNUC__) && 1 < __GNUC__ -# define YYCOPY(To, From, Count) \ - __builtin_memcpy (To, From, (Count) * sizeof (*(From))) -# else -# define YYCOPY(To, From, Count) \ - do \ - { \ - register YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ - } \ - while (0) -# endif -# endif - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack, Stack, yysize); \ - Stack = &yyptr->Stack; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (0) - -#endif - -#if defined (__STDC__) || defined (__cplusplus) - typedef signed char yysigned_char; -#else - typedef short int yysigned_char; -#endif - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 5 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 752 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 111 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 70 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 175 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 339 - -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 350 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const unsigned char yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 103, 2, 2, - 105, 106, 100, 99, 108, 98, 2, 101, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 104, - 96, 95, 97, 107, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 109, 2, 110, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, - 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, - 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, - 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, - 102 -}; - -#if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const unsigned short int yyprhs[] = -{ - 0, 0, 3, 6, 8, 11, 14, 17, 20, 23, - 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, - 56, 59, 62, 65, 68, 71, 73, 76, 78, 83, - 85, 87, 89, 91, 93, 95, 97, 101, 105, 109, - 113, 116, 120, 124, 128, 132, 136, 140, 144, 148, - 152, 155, 159, 163, 165, 167, 169, 171, 173, 175, - 177, 179, 181, 183, 185, 186, 188, 192, 199, 204, - 206, 208, 210, 214, 216, 220, 221, 223, 227, 228, - 230, 234, 236, 241, 247, 252, 253, 255, 259, 261, - 265, 267, 268, 271, 272, 275, 276, 281, 282, 284, - 286, 287, 292, 301, 305, 311, 314, 318, 320, 324, - 329, 334, 337, 340, 344, 347, 350, 353, 357, 362, - 364, 367, 368, 371, 373, 381, 388, 399, 401, 403, - 406, 409, 414, 419, 425, 427, 431, 432, 436, 437, - 439, 440, 443, 444, 446, 454, 456, 460, 461, 463, - 464, 466, 477, 480, 483, 485, 487, 489, 491, 493, - 497, 501, 502, 504, 508, 512, 513, 515, 518, 525, - 530, 532, 534, 535, 537, 540 -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const short int yyrhs[] = -{ - 112, 0, -1, 180, 104, -1, 118, -1, 119, 104, - -1, 151, 104, -1, 152, 104, -1, 153, 104, -1, - 150, 104, -1, 154, 104, -1, 146, 104, -1, 133, - 104, -1, 135, 104, -1, 145, 104, -1, 143, 104, - -1, 144, 104, -1, 140, 104, -1, 141, 104, -1, - 155, 104, -1, 157, 104, -1, 156, 104, -1, 169, - 104, -1, 170, 104, -1, 164, 104, -1, 168, 104, - -1, 113, -1, 114, 113, -1, 9, -1, 116, 105, - 124, 106, -1, 3, -1, 4, -1, 5, -1, 6, - -1, 7, -1, 8, -1, 66, -1, 115, 99, 115, - -1, 115, 98, 115, -1, 115, 100, 115, -1, 115, - 101, 115, -1, 98, 115, -1, 105, 115, 106, -1, - 115, 95, 115, -1, 115, 96, 115, -1, 115, 97, - 115, -1, 115, 13, 115, -1, 115, 14, 115, -1, - 115, 15, 115, -1, 115, 10, 115, -1, 115, 11, - 115, -1, 12, 115, -1, 9, 103, 70, -1, 66, - 103, 70, -1, 71, -1, 72, -1, 73, -1, 74, - -1, 75, -1, 77, -1, 78, -1, 79, -1, 80, - -1, 83, -1, 84, -1, -1, 107, -1, 117, 108, - 107, -1, 109, 9, 105, 117, 106, 110, -1, 120, - 105, 124, 106, -1, 76, -1, 81, -1, 82, -1, - 9, 105, 106, -1, 9, -1, 122, 108, 9, -1, - -1, 9, -1, 123, 108, 9, -1, -1, 115, -1, - 124, 108, 115, -1, 115, -1, 37, 105, 100, 106, - -1, 37, 105, 38, 9, 106, -1, 36, 105, 115, - 106, -1, -1, 125, -1, 126, 108, 125, -1, 100, - -1, 126, 49, 123, -1, 126, -1, -1, 40, 115, - -1, -1, 41, 51, -1, -1, 92, 17, 93, 94, - -1, -1, 46, -1, 47, -1, -1, 44, 45, 9, - 131, -1, 35, 127, 39, 122, 128, 129, 130, 132, - -1, 48, 49, 9, -1, 134, 50, 105, 124, 106, - -1, 134, 133, -1, 9, 95, 115, -1, 136, -1, - 137, 108, 136, -1, 40, 54, 55, 9, -1, 51, - 9, 52, 137, -1, 139, 128, -1, 139, 138, -1, - 53, 39, 9, -1, 142, 128, -1, 142, 138, -1, - 85, 133, -1, 9, 63, 115, -1, 31, 115, 29, - 114, -1, 147, -1, 148, 147, -1, -1, 30, 114, - -1, 148, -1, 28, 115, 29, 114, 149, 27, 28, - -1, 33, 115, 32, 114, 27, 32, -1, 41, 9, - 17, 115, 42, 115, 32, 114, 27, 32, -1, 90, - -1, 34, -1, 67, 9, -1, 69, 9, -1, 68, - 9, 49, 123, -1, 68, 9, 49, 121, -1, 9, - 171, 160, 161, 162, -1, 158, -1, 159, 108, 158, - -1, -1, 105, 3, 106, -1, -1, 89, -1, -1, - 12, 8, -1, -1, 61, -1, 56, 57, 9, 105, - 159, 106, 163, -1, 9, -1, 165, 108, 9, -1, - -1, 59, -1, -1, 60, -1, 56, 166, 167, 58, - 9, 62, 9, 105, 165, 106, -1, 86, 88, -1, - 87, 88, -1, 21, -1, 22, -1, 24, -1, 19, - -1, 20, -1, 9, 17, 171, -1, 9, 18, 171, - -1, -1, 172, -1, 173, 108, 172, -1, 9, 171, - 104, -1, -1, 174, -1, 175, 174, -1, 64, 65, - 9, 25, 133, 104, -1, 64, 91, 9, 104, -1, - 176, -1, 177, -1, -1, 178, -1, 179, 178, -1, - 16, 9, 105, 173, 106, 25, 175, 179, 26, 114, - 27, -1 -}; - -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const unsigned short int yyrline[] = -{ - 0, 138, 138, 141, 142, 143, 144, 145, 146, 147, - 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, - 158, 159, 160, 161, 162, 166, 167, 172, 173, 175, - 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, - 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, - 196, 197, 199, 204, 205, 206, 207, 209, 210, 211, - 212, 213, 214, 215, 218, 220, 221, 225, 230, 235, - 236, 237, 241, 245, 246, 251, 252, 253, 258, 259, - 260, 264, 265, 270, 276, 283, 284, 285, 290, 292, - 294, 298, 299, 303, 304, 309, 310, 315, 316, 317, - 321, 322, 327, 337, 342, 344, 349, 353, 354, 359, - 365, 372, 377, 382, 388, 393, 398, 403, 408, 414, - 415, 420, 421, 423, 427, 434, 440, 448, 452, 456, - 462, 468, 470, 475, 480, 481, 486, 487, 492, 493, - 499, 500, 506, 507, 513, 519, 520, 525, 526, 530, - 531, 535, 543, 548, 553, 554, 555, 556, 557, 561, - 564, 570, 571, 572, 577, 581, 583, 584, 588, 594, - 599, 600, 603, 605, 606, 610 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE -/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "PARS_INT_LIT", "PARS_FLOAT_LIT", - "PARS_STR_LIT", "PARS_FIXBINARY_LIT", "PARS_BLOB_LIT", "PARS_NULL_LIT", - "PARS_ID_TOKEN", "PARS_AND_TOKEN", "PARS_OR_TOKEN", "PARS_NOT_TOKEN", - "PARS_GE_TOKEN", "PARS_LE_TOKEN", "PARS_NE_TOKEN", - "PARS_PROCEDURE_TOKEN", "PARS_IN_TOKEN", "PARS_OUT_TOKEN", - "PARS_BINARY_TOKEN", "PARS_BLOB_TOKEN", "PARS_INT_TOKEN", - "PARS_INTEGER_TOKEN", "PARS_FLOAT_TOKEN", "PARS_CHAR_TOKEN", - "PARS_IS_TOKEN", "PARS_BEGIN_TOKEN", "PARS_END_TOKEN", "PARS_IF_TOKEN", - "PARS_THEN_TOKEN", "PARS_ELSE_TOKEN", "PARS_ELSIF_TOKEN", - "PARS_LOOP_TOKEN", "PARS_WHILE_TOKEN", "PARS_RETURN_TOKEN", - "PARS_SELECT_TOKEN", "PARS_SUM_TOKEN", "PARS_COUNT_TOKEN", - "PARS_DISTINCT_TOKEN", "PARS_FROM_TOKEN", "PARS_WHERE_TOKEN", - "PARS_FOR_TOKEN", "PARS_DDOT_TOKEN", "PARS_READ_TOKEN", - "PARS_ORDER_TOKEN", "PARS_BY_TOKEN", "PARS_ASC_TOKEN", "PARS_DESC_TOKEN", - "PARS_INSERT_TOKEN", "PARS_INTO_TOKEN", "PARS_VALUES_TOKEN", - "PARS_UPDATE_TOKEN", "PARS_SET_TOKEN", "PARS_DELETE_TOKEN", - "PARS_CURRENT_TOKEN", "PARS_OF_TOKEN", "PARS_CREATE_TOKEN", - "PARS_TABLE_TOKEN", "PARS_INDEX_TOKEN", "PARS_UNIQUE_TOKEN", - "PARS_CLUSTERED_TOKEN", "PARS_DOES_NOT_FIT_IN_MEM_TOKEN", - "PARS_ON_TOKEN", "PARS_ASSIGN_TOKEN", "PARS_DECLARE_TOKEN", - "PARS_CURSOR_TOKEN", "PARS_SQL_TOKEN", "PARS_OPEN_TOKEN", - "PARS_FETCH_TOKEN", "PARS_CLOSE_TOKEN", "PARS_NOTFOUND_TOKEN", - "PARS_TO_CHAR_TOKEN", "PARS_TO_NUMBER_TOKEN", "PARS_TO_BINARY_TOKEN", - "PARS_BINARY_TO_NUMBER_TOKEN", "PARS_SUBSTR_TOKEN", "PARS_REPLSTR_TOKEN", - "PARS_CONCAT_TOKEN", "PARS_INSTR_TOKEN", "PARS_LENGTH_TOKEN", - "PARS_SYSDATE_TOKEN", "PARS_PRINTF_TOKEN", "PARS_ASSERT_TOKEN", - "PARS_RND_TOKEN", "PARS_RND_STR_TOKEN", "PARS_ROW_PRINTF_TOKEN", - "PARS_COMMIT_TOKEN", "PARS_ROLLBACK_TOKEN", "PARS_WORK_TOKEN", - "PARS_UNSIGNED_TOKEN", "PARS_EXIT_TOKEN", "PARS_FUNCTION_TOKEN", - "PARS_LOCK_TOKEN", "PARS_SHARE_TOKEN", "PARS_MODE_TOKEN", "'='", "'<'", - "'>'", "'-'", "'+'", "'*'", "'/'", "NEG", "'%'", "';'", "'('", "')'", - "'?'", "','", "'{'", "'}'", "$accept", "top_statement", "statement", - "statement_list", "exp", "function_name", "question_mark_list", - "stored_procedure_call", "predefined_procedure_call", - "predefined_procedure_name", "user_function_call", "table_list", - "variable_list", "exp_list", "select_item", "select_item_list", - "select_list", "search_condition", "for_update_clause", - "lock_shared_clause", "order_direction", "order_by_clause", - "select_statement", "insert_statement_start", "insert_statement", - "column_assignment", "column_assignment_list", "cursor_positioned", - "update_statement_start", "update_statement_searched", - "update_statement_positioned", "delete_statement_start", - "delete_statement_searched", "delete_statement_positioned", - "row_printf_statement", "assignment_statement", "elsif_element", - "elsif_list", "else_part", "if_statement", "while_statement", - "for_statement", "exit_statement", "return_statement", - "open_cursor_statement", "close_cursor_statement", "fetch_statement", - "column_def", "column_def_list", "opt_column_len", "opt_unsigned", - "opt_not_null", "not_fit_in_memory", "create_table", "column_list", - "unique_def", "clustered_def", "create_index", "commit_statement", - "rollback_statement", "type_name", "parameter_declaration", - "parameter_declaration_list", "variable_declaration", - "variable_declaration_list", "cursor_declaration", - "function_declaration", "declaration", "declaration_list", - "procedure_definition", 0 -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ -static const unsigned short int yytoknum[] = -{ - 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, - 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, - 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, - 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, - 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, - 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, - 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, - 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, - 345, 346, 347, 348, 349, 61, 60, 62, 45, 43, - 42, 47, 350, 37, 59, 40, 41, 63, 44, 123, - 125 -}; -# endif - -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const unsigned char yyr1[] = -{ - 0, 111, 112, 113, 113, 113, 113, 113, 113, 113, - 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, - 113, 113, 113, 113, 113, 114, 114, 115, 115, 115, - 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, - 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, - 115, 115, 115, 116, 116, 116, 116, 116, 116, 116, - 116, 116, 116, 116, 117, 117, 117, 118, 119, 120, - 120, 120, 121, 122, 122, 123, 123, 123, 124, 124, - 124, 125, 125, 125, 125, 126, 126, 126, 127, 127, - 127, 128, 128, 129, 129, 130, 130, 131, 131, 131, - 132, 132, 133, 134, 135, 135, 136, 137, 137, 138, - 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, - 148, 149, 149, 149, 150, 151, 152, 153, 154, 155, - 156, 157, 157, 158, 159, 159, 160, 160, 161, 161, - 162, 162, 163, 163, 164, 165, 165, 166, 166, 167, - 167, 168, 169, 170, 171, 171, 171, 171, 171, 172, - 172, 173, 173, 173, 174, 175, 175, 175, 176, 177, - 178, 178, 179, 179, 179, 180 -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const unsigned char yyr2[] = -{ - 0, 2, 2, 1, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 1, 2, 1, 4, 1, - 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, - 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 2, 3, 3, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 0, 1, 3, 6, 4, 1, - 1, 1, 3, 1, 3, 0, 1, 3, 0, 1, - 3, 1, 4, 5, 4, 0, 1, 3, 1, 3, - 1, 0, 2, 0, 2, 0, 4, 0, 1, 1, - 0, 4, 8, 3, 5, 2, 3, 1, 3, 4, - 4, 2, 2, 3, 2, 2, 2, 3, 4, 1, - 2, 0, 2, 1, 7, 6, 10, 1, 1, 2, - 2, 4, 4, 5, 1, 3, 0, 3, 0, 1, - 0, 2, 0, 1, 7, 1, 3, 0, 1, 0, - 1, 10, 2, 2, 1, 1, 1, 1, 1, 3, - 3, 0, 1, 3, 3, 0, 1, 2, 6, 4, - 1, 1, 0, 1, 2, 11 -}; - -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero - means the default is an error. */ -static const unsigned char yydefact[] = -{ - 0, 0, 0, 0, 0, 1, 2, 161, 0, 162, - 0, 0, 0, 0, 0, 157, 158, 154, 155, 156, - 159, 160, 165, 163, 0, 166, 172, 0, 0, 167, - 170, 171, 173, 0, 164, 0, 0, 0, 174, 0, - 0, 0, 0, 0, 128, 85, 0, 0, 0, 0, - 147, 0, 0, 0, 69, 70, 71, 0, 0, 0, - 127, 0, 25, 0, 3, 0, 0, 0, 0, 0, - 91, 0, 0, 91, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 169, 0, 29, 30, 31, 32, 33, 34, 27, - 0, 35, 53, 54, 55, 56, 57, 58, 59, 60, - 61, 62, 63, 0, 0, 0, 0, 0, 0, 0, - 88, 81, 86, 90, 0, 0, 0, 0, 0, 0, - 148, 149, 129, 0, 130, 116, 152, 153, 0, 175, - 26, 4, 78, 11, 0, 105, 12, 0, 111, 112, - 16, 17, 114, 115, 14, 15, 13, 10, 8, 5, - 6, 7, 9, 18, 20, 19, 23, 24, 21, 22, - 0, 117, 0, 50, 0, 40, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 78, 0, 0, 0, 75, 0, 0, 0, 103, 0, - 113, 0, 150, 0, 75, 64, 79, 0, 78, 0, - 92, 168, 51, 52, 41, 48, 49, 45, 46, 47, - 121, 42, 43, 44, 37, 36, 38, 39, 0, 0, - 0, 0, 0, 76, 89, 87, 73, 91, 0, 0, - 107, 110, 0, 0, 76, 132, 131, 65, 0, 68, - 0, 0, 0, 0, 0, 119, 123, 0, 28, 0, - 84, 0, 82, 0, 0, 0, 93, 0, 0, 0, - 0, 134, 0, 0, 0, 0, 0, 80, 104, 109, - 122, 0, 120, 0, 125, 83, 77, 74, 0, 95, - 0, 106, 108, 136, 142, 0, 0, 72, 67, 66, - 0, 124, 94, 0, 100, 0, 0, 138, 143, 144, - 135, 0, 118, 0, 0, 102, 0, 0, 139, 140, - 0, 0, 0, 0, 137, 0, 133, 145, 0, 96, - 97, 126, 141, 151, 0, 98, 99, 101, 146 -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const short int yydefgoto[] = -{ - -1, 2, 62, 63, 206, 116, 248, 64, 65, 66, - 245, 237, 234, 207, 122, 123, 124, 148, 289, 304, - 337, 315, 67, 68, 69, 240, 241, 149, 70, 71, - 72, 73, 74, 75, 76, 77, 255, 256, 257, 78, - 79, 80, 81, 82, 83, 84, 85, 271, 272, 307, - 319, 326, 309, 86, 328, 131, 203, 87, 88, 89, - 20, 9, 10, 25, 26, 30, 31, 32, 33, 3 -}; - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -#define YYPACT_NINF -177 -static const short int yypact[] = -{ - 28, 38, 54, -46, -29, -177, -177, 56, 50, -177, - -75, 8, 8, 46, 56, -177, -177, -177, -177, -177, - -177, -177, 63, -177, 8, -177, 2, -26, -51, -177, - -177, -177, -177, -13, -177, 71, 72, 587, -177, 57, - -21, 26, 272, 272, -177, 13, 91, 55, 96, 67, - -22, 99, 100, 103, -177, -177, -177, 75, 29, 35, - -177, 116, -177, 396, -177, 22, 23, 27, -9, 30, - 87, 31, 32, 87, 47, 49, 52, 58, 59, 60, - 61, 62, 65, 66, 74, 77, 78, 86, 89, 102, - 75, -177, 272, -177, -177, -177, -177, -177, -177, 39, - 272, 51, -177, -177, -177, -177, -177, -177, -177, -177, - -177, -177, -177, 272, 272, 361, 25, 489, 45, 90, - -177, 651, -177, -39, 93, 142, 124, 108, 152, 170, - -177, 131, -177, 143, -177, -177, -177, -177, 98, -177, - -177, -177, 272, -177, 110, -177, -177, 256, -177, -177, - -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, - -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, - 112, 651, 137, 101, 147, 204, 88, 272, 272, 272, - 272, 272, 587, 272, 272, 272, 272, 272, 272, 272, - 272, 587, 272, -30, 211, 168, 212, 272, -177, 213, - -177, 118, -177, 167, 217, 122, 651, -63, 272, 175, - 651, -177, -177, -177, -177, 101, 101, 21, 21, 651, - 332, 21, 21, 21, -6, -6, 204, 204, -60, 460, - 198, 222, 126, -177, 125, -177, -177, -33, 584, 140, - -177, 128, 228, 229, 139, -177, 125, -177, -53, -177, - 272, -49, 240, 587, 272, -177, 224, 226, -177, 225, - -177, 150, -177, 258, 272, 260, 230, 272, 272, 213, - 8, -177, -45, 208, 166, 164, 176, 651, -177, -177, - 587, 631, -177, 254, -177, -177, -177, -177, 234, 194, - 638, 651, -177, 182, 227, 228, 280, -177, -177, -177, - 587, -177, -177, 273, 247, 587, 289, 214, -177, -177, - -177, 195, 587, 209, 261, -177, 524, 199, -177, 295, - 292, 215, 299, 279, -177, 304, -177, -177, -44, -177, - -8, -177, -177, -177, 305, -177, -177, -177, -177 -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const short int yypgoto[] = -{ - -177, -177, -62, -176, -40, -177, -177, -177, -177, -177, - -177, -177, 109, -166, 120, -177, -177, -69, -177, -177, - -177, -177, -34, -177, -177, 48, -177, 243, -177, -177, - -177, -177, -177, -177, -177, -177, 64, -177, -177, -177, - -177, -177, -177, -177, -177, -177, -177, 24, -177, -177, - -177, -177, -177, -177, -177, -177, -177, -177, -177, -177, - -12, 307, -177, 297, -177, -177, -177, 285, -177, -177 -}; - -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, syntax error. */ -#define YYTABLE_NINF -1 -static const unsigned short int yytable[] = -{ - 21, 140, 115, 117, 152, 121, 220, 264, 231, 181, - 194, 24, 27, 37, 35, 229, 93, 94, 95, 96, - 97, 98, 99, 135, 228, 100, 45, 15, 16, 17, - 18, 13, 19, 14, 145, 129, 181, 130, 335, 336, - 36, 144, 251, 249, 1, 250, 258, 4, 250, 118, - 119, 28, 171, 275, 5, 276, 170, 278, 6, 250, - 173, 294, 333, 295, 334, 8, 28, 11, 12, 195, - 232, 22, 24, 175, 176, 265, 7, 280, 34, 101, - 39, 40, 90, 91, 102, 103, 104, 105, 106, 92, - 107, 108, 109, 110, 188, 189, 111, 112, 177, 178, - 125, 179, 180, 181, 126, 127, 128, 210, 132, 133, - 45, 113, 134, 120, 179, 180, 181, 136, 114, 186, - 187, 188, 189, 137, 312, 138, 141, 147, 142, 316, - 190, 143, 196, 198, 146, 150, 151, 215, 216, 217, - 218, 219, 172, 221, 222, 223, 224, 225, 226, 227, - 192, 154, 230, 155, 174, 121, 156, 238, 140, 197, - 199, 200, 157, 158, 159, 160, 161, 140, 266, 162, - 163, 93, 94, 95, 96, 97, 98, 99, 164, 201, - 100, 165, 166, 183, 184, 185, 186, 187, 188, 189, - 167, 202, 204, 168, 214, 193, 183, 184, 185, 186, - 187, 188, 189, 205, 118, 119, 169, 212, 177, 178, - 277, 179, 180, 181, 281, 208, 211, 213, 140, 181, - 233, 236, 239, 242, 210, 243, 244, 290, 291, 247, - 252, 261, 262, 263, 101, 268, 269, 270, 273, 102, - 103, 104, 105, 106, 274, 107, 108, 109, 110, 279, - 140, 111, 112, 283, 140, 254, 285, 284, 293, 93, - 94, 95, 96, 97, 98, 99, 113, 286, 100, 287, - 296, 288, 297, 114, 298, 93, 94, 95, 96, 97, - 98, 99, 301, 299, 100, 302, 303, 306, 308, 311, - 313, 314, 317, 183, 184, 185, 186, 187, 188, 189, - 320, 327, 321, 318, 260, 324, 322, 325, 330, 329, - 209, 331, 332, 246, 338, 235, 153, 292, 38, 310, - 282, 23, 101, 29, 0, 0, 0, 102, 103, 104, - 105, 106, 0, 107, 108, 109, 110, 0, 101, 111, - 112, 41, 0, 102, 103, 104, 105, 106, 0, 107, - 108, 109, 110, 0, 113, 111, 112, 0, 0, 0, - 42, 114, 253, 254, 0, 43, 44, 45, 0, 0, - 113, 177, 178, 46, 179, 180, 181, 114, 0, 0, - 47, 0, 0, 48, 0, 49, 0, 0, 50, 0, - 182, 0, 0, 0, 0, 0, 0, 0, 0, 51, - 52, 53, 0, 0, 0, 41, 0, 0, 54, 0, - 0, 0, 0, 55, 56, 0, 0, 57, 58, 59, - 0, 0, 60, 139, 42, 0, 0, 0, 0, 43, - 44, 45, 0, 0, 0, 0, 0, 46, 0, 0, - 0, 61, 0, 0, 47, 0, 0, 48, 0, 49, - 0, 0, 50, 0, 0, 0, 183, 184, 185, 186, - 187, 188, 189, 51, 52, 53, 0, 0, 0, 41, - 0, 0, 54, 0, 0, 0, 0, 55, 56, 0, - 0, 57, 58, 59, 0, 0, 60, 259, 42, 0, - 0, 0, 0, 43, 44, 45, 0, 0, 0, 177, - 178, 46, 179, 180, 181, 61, 0, 0, 47, 0, - 0, 48, 0, 49, 0, 0, 50, 0, 0, 0, - 0, 191, 0, 0, 0, 0, 0, 51, 52, 53, - 0, 0, 0, 41, 0, 0, 54, 0, 0, 0, - 0, 55, 56, 0, 0, 57, 58, 59, 0, 0, - 60, 323, 42, 0, 0, 0, 0, 43, 44, 45, - 0, 0, 0, 0, 0, 46, 0, 0, 0, 61, - 0, 0, 47, 0, 0, 48, 0, 49, 0, 0, - 50, 0, 0, 0, 183, 184, 185, 186, 187, 188, - 189, 51, 52, 53, 177, 178, 41, 179, 180, 181, - 54, 0, 0, 0, 0, 55, 56, 0, 0, 57, - 58, 59, 0, 0, 60, 42, 0, 0, 0, 0, - 43, 44, 45, 0, 0, 0, 267, 0, 46, 0, - 0, 0, 0, 61, 0, 47, 0, 0, 48, 0, - 49, 177, 178, 50, 179, 180, 181, 0, 177, 178, - 0, 179, 180, 181, 51, 52, 53, 0, 0, 0, - 300, 177, 178, 54, 179, 180, 181, 0, 55, 56, - 305, 0, 57, 58, 59, 0, 0, 60, 0, 183, - 184, 185, 186, 187, 188, 189, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 61, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 183, 184, 185, 186, - 187, 188, 189, 183, 184, 185, 186, 187, 188, 189, - 0, 0, 0, 0, 0, 0, 183, 184, 185, 186, - 187, 188, 189 -}; - -static const short int yycheck[] = -{ - 12, 63, 42, 43, 73, 45, 182, 40, 38, 15, - 49, 9, 24, 26, 65, 191, 3, 4, 5, 6, - 7, 8, 9, 57, 190, 12, 35, 19, 20, 21, - 22, 106, 24, 108, 68, 57, 15, 59, 46, 47, - 91, 50, 208, 106, 16, 108, 106, 9, 108, 36, - 37, 64, 92, 106, 0, 108, 90, 106, 104, 108, - 100, 106, 106, 108, 108, 9, 64, 17, 18, 108, - 100, 25, 9, 113, 114, 108, 105, 253, 104, 66, - 9, 9, 25, 104, 71, 72, 73, 74, 75, 63, - 77, 78, 79, 80, 100, 101, 83, 84, 10, 11, - 9, 13, 14, 15, 49, 9, 39, 147, 9, 9, - 35, 98, 9, 100, 13, 14, 15, 88, 105, 98, - 99, 100, 101, 88, 300, 9, 104, 40, 105, 305, - 105, 104, 39, 9, 104, 104, 104, 177, 178, 179, - 180, 181, 103, 183, 184, 185, 186, 187, 188, 189, - 105, 104, 192, 104, 103, 195, 104, 197, 220, 17, - 52, 9, 104, 104, 104, 104, 104, 229, 237, 104, - 104, 3, 4, 5, 6, 7, 8, 9, 104, 9, - 12, 104, 104, 95, 96, 97, 98, 99, 100, 101, - 104, 60, 49, 104, 106, 105, 95, 96, 97, 98, - 99, 100, 101, 105, 36, 37, 104, 70, 10, 11, - 250, 13, 14, 15, 254, 105, 104, 70, 280, 15, - 9, 9, 9, 105, 264, 58, 9, 267, 268, 107, - 55, 9, 106, 108, 66, 95, 108, 9, 9, 71, - 72, 73, 74, 75, 105, 77, 78, 79, 80, 9, - 312, 83, 84, 27, 316, 31, 106, 32, 270, 3, - 4, 5, 6, 7, 8, 9, 98, 9, 12, 9, - 62, 41, 106, 105, 110, 3, 4, 5, 6, 7, - 8, 9, 28, 107, 12, 51, 92, 105, 61, 9, - 17, 44, 3, 95, 96, 97, 98, 99, 100, 101, - 105, 9, 93, 89, 106, 106, 45, 12, 9, 94, - 54, 32, 8, 204, 9, 195, 73, 269, 33, 295, - 256, 14, 66, 26, -1, -1, -1, 71, 72, 73, - 74, 75, -1, 77, 78, 79, 80, -1, 66, 83, - 84, 9, -1, 71, 72, 73, 74, 75, -1, 77, - 78, 79, 80, -1, 98, 83, 84, -1, -1, -1, - 28, 105, 30, 31, -1, 33, 34, 35, -1, -1, - 98, 10, 11, 41, 13, 14, 15, 105, -1, -1, - 48, -1, -1, 51, -1, 53, -1, -1, 56, -1, - 29, -1, -1, -1, -1, -1, -1, -1, -1, 67, - 68, 69, -1, -1, -1, 9, -1, -1, 76, -1, - -1, -1, -1, 81, 82, -1, -1, 85, 86, 87, - -1, -1, 90, 27, 28, -1, -1, -1, -1, 33, - 34, 35, -1, -1, -1, -1, -1, 41, -1, -1, - -1, 109, -1, -1, 48, -1, -1, 51, -1, 53, - -1, -1, 56, -1, -1, -1, 95, 96, 97, 98, - 99, 100, 101, 67, 68, 69, -1, -1, -1, 9, - -1, -1, 76, -1, -1, -1, -1, 81, 82, -1, - -1, 85, 86, 87, -1, -1, 90, 27, 28, -1, - -1, -1, -1, 33, 34, 35, -1, -1, -1, 10, - 11, 41, 13, 14, 15, 109, -1, -1, 48, -1, - -1, 51, -1, 53, -1, -1, 56, -1, -1, -1, - -1, 32, -1, -1, -1, -1, -1, 67, 68, 69, - -1, -1, -1, 9, -1, -1, 76, -1, -1, -1, - -1, 81, 82, -1, -1, 85, 86, 87, -1, -1, - 90, 27, 28, -1, -1, -1, -1, 33, 34, 35, - -1, -1, -1, -1, -1, 41, -1, -1, -1, 109, - -1, -1, 48, -1, -1, 51, -1, 53, -1, -1, - 56, -1, -1, -1, 95, 96, 97, 98, 99, 100, - 101, 67, 68, 69, 10, 11, 9, 13, 14, 15, - 76, -1, -1, -1, -1, 81, 82, -1, -1, 85, - 86, 87, -1, -1, 90, 28, -1, -1, -1, -1, - 33, 34, 35, -1, -1, -1, 42, -1, 41, -1, - -1, -1, -1, 109, -1, 48, -1, -1, 51, -1, - 53, 10, 11, 56, 13, 14, 15, -1, 10, 11, - -1, 13, 14, 15, 67, 68, 69, -1, -1, -1, - 29, 10, 11, 76, 13, 14, 15, -1, 81, 82, - 32, -1, 85, 86, 87, -1, -1, 90, -1, 95, - 96, 97, 98, 99, 100, 101, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 109, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 95, 96, 97, 98, - 99, 100, 101, 95, 96, 97, 98, 99, 100, 101, - -1, -1, -1, -1, -1, -1, 95, 96, 97, 98, - 99, 100, 101 -}; - -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const unsigned char yystos[] = -{ - 0, 16, 112, 180, 9, 0, 104, 105, 9, 172, - 173, 17, 18, 106, 108, 19, 20, 21, 22, 24, - 171, 171, 25, 172, 9, 174, 175, 171, 64, 174, - 176, 177, 178, 179, 104, 65, 91, 26, 178, 9, - 9, 9, 28, 33, 34, 35, 41, 48, 51, 53, - 56, 67, 68, 69, 76, 81, 82, 85, 86, 87, - 90, 109, 113, 114, 118, 119, 120, 133, 134, 135, - 139, 140, 141, 142, 143, 144, 145, 146, 150, 151, - 152, 153, 154, 155, 156, 157, 164, 168, 169, 170, - 25, 104, 63, 3, 4, 5, 6, 7, 8, 9, - 12, 66, 71, 72, 73, 74, 75, 77, 78, 79, - 80, 83, 84, 98, 105, 115, 116, 115, 36, 37, - 100, 115, 125, 126, 127, 9, 49, 9, 39, 57, - 59, 166, 9, 9, 9, 133, 88, 88, 9, 27, - 113, 104, 105, 104, 50, 133, 104, 40, 128, 138, - 104, 104, 128, 138, 104, 104, 104, 104, 104, 104, - 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, - 133, 115, 103, 115, 103, 115, 115, 10, 11, 13, - 14, 15, 29, 95, 96, 97, 98, 99, 100, 101, - 105, 32, 105, 105, 49, 108, 39, 17, 9, 52, - 9, 9, 60, 167, 49, 105, 115, 124, 105, 54, - 115, 104, 70, 70, 106, 115, 115, 115, 115, 115, - 114, 115, 115, 115, 115, 115, 115, 115, 124, 114, - 115, 38, 100, 9, 123, 125, 9, 122, 115, 9, - 136, 137, 105, 58, 9, 121, 123, 107, 117, 106, - 108, 124, 55, 30, 31, 147, 148, 149, 106, 27, - 106, 9, 106, 108, 40, 108, 128, 42, 95, 108, - 9, 158, 159, 9, 105, 106, 108, 115, 106, 9, - 114, 115, 147, 27, 32, 106, 9, 9, 41, 129, - 115, 115, 136, 171, 106, 108, 62, 106, 110, 107, - 29, 28, 51, 92, 130, 32, 105, 160, 61, 163, - 158, 9, 114, 17, 44, 132, 114, 3, 89, 161, - 105, 93, 45, 27, 106, 12, 162, 9, 165, 94, - 9, 32, 8, 106, 108, 46, 47, 131, 9 -}; - -#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) -# define YYSIZE_T __SIZE_TYPE__ -#endif -#if ! defined (YYSIZE_T) && defined (size_t) -# define YYSIZE_T size_t -#endif -#if ! defined (YYSIZE_T) -# if defined (__STDC__) || defined (__cplusplus) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# endif -#endif -#if ! defined (YYSIZE_T) -# define YYSIZE_T unsigned int -#endif - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab - - -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. */ - -#define YYFAIL goto yyerrlab - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY && yylen == 1) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK; \ - goto yybackup; \ - } \ - else \ - { \ - yyerror ("syntax error: cannot back up");\ - YYERROR; \ - } \ -while (0) - - -#define YYTERROR 1 -#define YYERRCODE 256 - - -/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. - If N is 0, then set CURRENT to the empty location which ends - the previous symbol: RHS[0] (always defined). */ - -#define YYRHSLOC(Rhs, K) ((Rhs)[K]) -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - do \ - if (N) \ - { \ - (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ - (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = \ - YYRHSLOC (Rhs, 0).last_line; \ - (Current).first_column = (Current).last_column = \ - YYRHSLOC (Rhs, 0).last_column; \ - } \ - while (0) -#endif - - -/* YY_LOCATION_PRINT -- Print the location on the stream. - This macro was not mandated originally: define only if we know - we won't break user code: when these are the locations we know. */ - -#ifndef YY_LOCATION_PRINT -# if YYLTYPE_IS_TRIVIAL -# define YY_LOCATION_PRINT(File, Loc) \ - fprintf (File, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column) -# else -# define YY_LOCATION_PRINT(File, Loc) ((void) 0) -# endif -#endif - - -/* YYLEX -- calling `yylex' with the right arguments. */ - -#ifdef YYLEX_PARAM -# define YYLEX yylex (YYLEX_PARAM) -#else -# define YYLEX yylex () -#endif - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (0) - -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yysymprint (stderr, \ - Type, Value); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (included). | -`------------------------------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yy_stack_print (short int *bottom, short int *top) -#else -static void -yy_stack_print (bottom, top) - short int *bottom; - short int *top; -#endif -{ - YYFPRINTF (stderr, "Stack now"); - for (/* Nothing. */; bottom <= top; ++bottom) - YYFPRINTF (stderr, " %d", *bottom); - YYFPRINTF (stderr, "\n"); -} - -# define YY_STACK_PRINT(Bottom, Top) \ -do { \ - if (yydebug) \ - yy_stack_print ((Bottom), (Top)); \ -} while (0) - - -/*------------------------------------------------. -| Report that the YYRULE is going to be reduced. | -`------------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yy_reduce_print (int yyrule) -#else -static void -yy_reduce_print (yyrule) - int yyrule; -#endif -{ - int yyi; - unsigned int yylno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", - yyrule - 1, yylno); - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) - YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); - YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (Rule); \ -} while (0) - -/* Nonzero means print parse trace. It is left uninitialized so that - multiple parsers can coexist. */ -int yydebug; -#else /* !YYDEBUG */ -# define YYDPRINTF(Args) -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) -# define YY_STACK_PRINT(Bottom, Top) -# define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ - - -/* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH -# define YYINITDEPTH 200 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined (__GLIBC__) && defined (_STRING_H) -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -static YYSIZE_T -# if defined (__STDC__) || defined (__cplusplus) -yystrlen (const char *yystr) -# else -yystrlen (yystr) - const char *yystr; -# endif -{ - register const char *yys = yystr; - - while (*yys++ != '\0') - continue; - - return yys - yystr - 1; -} -# endif -# endif - -# ifndef yystpcpy -# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -static char * -# if defined (__STDC__) || defined (__cplusplus) -yystpcpy (char *yydest, const char *yysrc) -# else -yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -# endif -{ - register char *yyd = yydest; - register const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -#endif /* !YYERROR_VERBOSE */ - - - -#if YYDEBUG -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) -#else -static void -yysymprint (yyoutput, yytype, yyvaluep) - FILE *yyoutput; - int yytype; - YYSTYPE *yyvaluep; -#endif -{ - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - - if (yytype < YYNTOKENS) - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); - else - YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); - - -# ifdef YYPRINT - if (yytype < YYNTOKENS) - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - switch (yytype) - { - default: - break; - } - YYFPRINTF (yyoutput, ")"); -} - -#endif /* ! YYDEBUG */ -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) -#else -static void -yydestruct (yymsg, yytype, yyvaluep) - const char *yymsg; - int yytype; - YYSTYPE *yyvaluep; -#endif -{ - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - - if (!yymsg) - yymsg = "Deleting"; - YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); - - switch (yytype) - { - - default: - break; - } -} - - -/* Prevent warnings from -Wmissing-prototypes. */ - -#ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -UNIV_INTERN int yyparse (void *YYPARSE_PARAM); -# else -UNIV_INTERN int yyparse (); -# endif -#else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) -UNIV_INTERN int yyparse (void); -#else -UNIV_INTERN int yyparse (); -#endif -#endif /* ! YYPARSE_PARAM */ - - - -/* The look-ahead symbol. */ -static int yychar; - -/* The semantic value of the look-ahead symbol. */ -UNIV_INTERN YYSTYPE yylval; - -/* Number of syntax errors so far. */ -static int yynerrs; - - - -/*----------. -| yyparse. | -`----------*/ - -#ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -UNIV_INTERN int yyparse (void *YYPARSE_PARAM) -# else -UNIV_INTERN int yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -# endif -#else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) -int -yyparse (void) -#else -int -yyparse () - -#endif -#endif -{ - - register int yystate; - register int yyn; - int yyresult; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - /* Look-ahead token as an internal (translated) token number. */ - int yytoken = 0; - - /* Three stacks and their tools: - `yyss': related to states, - `yyvs': related to semantic values, - `yyls': related to locations. - - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - short int yyssa[YYINITDEPTH]; - short int *yyss = yyssa; - register short int *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs = yyvsa; - register YYSTYPE *yyvsp; - - - -#define YYPOPSTACK (yyvsp--, yyssp--) - - YYSIZE_T yystacksize = YYINITDEPTH; - - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - - - /* When reducing, the number of symbols on the RHS of the reduced - rule. */ - int yylen; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - - /* Initialize stack pointers. - Waste one element of value and location stack - so that they stay on the same level as the state stack. - The wasted elements are never initialized. */ - - yyssp = yyss; - yyvsp = yyvs; - - - yyvsp[0] = yylval; - - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. so pushing a state here evens the stacks. - */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - short int *yyss1 = yyss; - - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. This used to be a - conditional around just the two extra args, but that might - be undefined if yyoverflow is a macro. */ - yyoverflow ("parser stack overflow", - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - - &yystacksize); - - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyoverflowlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyoverflowlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - short int *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyoverflowlab; - YYSTACK_RELOCATE (yyss); - YYSTACK_RELOCATE (yyvs); - -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - -/* Do appropriate processing given the current state. */ -/* Read a look-ahead token if we need one and don't already have one. */ -/* yyresume: */ - - /* First try to decide what to do without reference to look-ahead token. */ - - yyn = yypact[yystate]; - if (yyn == YYPACT_NINF) - goto yydefault; - - /* Not known => get a look-ahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); - } - - /* If the proper action on seeing token YYTOKEN is to reduce or to - detect an error, take that action. */ - yyn += yytoken; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) - goto yydefault; - yyn = yytable[yyn]; - if (yyn <= 0) - { - if (yyn == 0 || yyn == YYTABLE_NINF) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - if (yyn == YYFINAL) - YYACCEPT; - - /* Shift the look-ahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the token being shifted unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - *++yyvsp = yylval; - - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - yystate = yyn; - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. - - Otherwise, the following line sets YYVAL to garbage. - This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; - - - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 25: -#line 166 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 26: -#line 168 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-1]), (yyvsp[0])); ;} - break; - - case 27: -#line 172 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 28: -#line 174 "pars0grm.y" - { (yyval) = pars_func((yyvsp[-3]), (yyvsp[-1])); ;} - break; - - case 29: -#line 175 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 30: -#line 176 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 31: -#line 177 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 32: -#line 178 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 33: -#line 179 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 34: -#line 180 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 35: -#line 181 "pars0grm.y" - { (yyval) = (yyvsp[0]);;} - break; - - case 36: -#line 182 "pars0grm.y" - { (yyval) = pars_op('+', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 37: -#line 183 "pars0grm.y" - { (yyval) = pars_op('-', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 38: -#line 184 "pars0grm.y" - { (yyval) = pars_op('*', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 39: -#line 185 "pars0grm.y" - { (yyval) = pars_op('/', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 40: -#line 186 "pars0grm.y" - { (yyval) = pars_op('-', (yyvsp[0]), NULL); ;} - break; - - case 41: -#line 187 "pars0grm.y" - { (yyval) = (yyvsp[-1]); ;} - break; - - case 42: -#line 188 "pars0grm.y" - { (yyval) = pars_op('=', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 43: -#line 189 "pars0grm.y" - { (yyval) = pars_op('<', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 44: -#line 190 "pars0grm.y" - { (yyval) = pars_op('>', (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 45: -#line 191 "pars0grm.y" - { (yyval) = pars_op(PARS_GE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 46: -#line 192 "pars0grm.y" - { (yyval) = pars_op(PARS_LE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 47: -#line 193 "pars0grm.y" - { (yyval) = pars_op(PARS_NE_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 48: -#line 194 "pars0grm.y" - { (yyval) = pars_op(PARS_AND_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 49: -#line 195 "pars0grm.y" - { (yyval) = pars_op(PARS_OR_TOKEN, (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 50: -#line 196 "pars0grm.y" - { (yyval) = pars_op(PARS_NOT_TOKEN, (yyvsp[0]), NULL); ;} - break; - - case 51: -#line 198 "pars0grm.y" - { (yyval) = pars_op(PARS_NOTFOUND_TOKEN, (yyvsp[-2]), NULL); ;} - break; - - case 52: -#line 200 "pars0grm.y" - { (yyval) = pars_op(PARS_NOTFOUND_TOKEN, (yyvsp[-2]), NULL); ;} - break; - - case 53: -#line 204 "pars0grm.y" - { (yyval) = &pars_to_char_token; ;} - break; - - case 54: -#line 205 "pars0grm.y" - { (yyval) = &pars_to_number_token; ;} - break; - - case 55: -#line 206 "pars0grm.y" - { (yyval) = &pars_to_binary_token; ;} - break; - - case 56: -#line 208 "pars0grm.y" - { (yyval) = &pars_binary_to_number_token; ;} - break; - - case 57: -#line 209 "pars0grm.y" - { (yyval) = &pars_substr_token; ;} - break; - - case 58: -#line 210 "pars0grm.y" - { (yyval) = &pars_concat_token; ;} - break; - - case 59: -#line 211 "pars0grm.y" - { (yyval) = &pars_instr_token; ;} - break; - - case 60: -#line 212 "pars0grm.y" - { (yyval) = &pars_length_token; ;} - break; - - case 61: -#line 213 "pars0grm.y" - { (yyval) = &pars_sysdate_token; ;} - break; - - case 62: -#line 214 "pars0grm.y" - { (yyval) = &pars_rnd_token; ;} - break; - - case 63: -#line 215 "pars0grm.y" - { (yyval) = &pars_rnd_str_token; ;} - break; - - case 67: -#line 226 "pars0grm.y" - { (yyval) = pars_stored_procedure_call((yyvsp[-4])); ;} - break; - - case 68: -#line 231 "pars0grm.y" - { (yyval) = pars_procedure_call((yyvsp[-3]), (yyvsp[-1])); ;} - break; - - case 69: -#line 235 "pars0grm.y" - { (yyval) = &pars_replstr_token; ;} - break; - - case 70: -#line 236 "pars0grm.y" - { (yyval) = &pars_printf_token; ;} - break; - - case 71: -#line 237 "pars0grm.y" - { (yyval) = &pars_assert_token; ;} - break; - - case 72: -#line 241 "pars0grm.y" - { (yyval) = (yyvsp[-2]); ;} - break; - - case 73: -#line 245 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 74: -#line 247 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 75: -#line 251 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 76: -#line 252 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 77: -#line 254 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 78: -#line 258 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 79: -#line 259 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0]));;} - break; - - case 80: -#line 260 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 81: -#line 264 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 82: -#line 266 "pars0grm.y" - { (yyval) = pars_func(&pars_count_token, - que_node_list_add_last(NULL, - sym_tab_add_int_lit( - pars_sym_tab_global, 1))); ;} - break; - - case 83: -#line 271 "pars0grm.y" - { (yyval) = pars_func(&pars_count_token, - que_node_list_add_last(NULL, - pars_func(&pars_distinct_token, - que_node_list_add_last( - NULL, (yyvsp[-1]))))); ;} - break; - - case 84: -#line 277 "pars0grm.y" - { (yyval) = pars_func(&pars_sum_token, - que_node_list_add_last(NULL, - (yyvsp[-1]))); ;} - break; - - case 85: -#line 283 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 86: -#line 284 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 87: -#line 286 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 88: -#line 290 "pars0grm.y" - { (yyval) = pars_select_list(&pars_star_denoter, - NULL); ;} - break; - - case 89: -#line 293 "pars0grm.y" - { (yyval) = pars_select_list((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 90: -#line 294 "pars0grm.y" - { (yyval) = pars_select_list((yyvsp[0]), NULL); ;} - break; - - case 91: -#line 298 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 92: -#line 299 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 93: -#line 303 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 94: -#line 305 "pars0grm.y" - { (yyval) = &pars_update_token; ;} - break; - - case 95: -#line 309 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 96: -#line 311 "pars0grm.y" - { yyval = &pars_share_token; ;} - break; - - case 97: -#line 315 "pars0grm.y" - { (yyval) = &pars_asc_token; ;} - break; - - case 98: -#line 316 "pars0grm.y" - { (yyval) = &pars_asc_token; ;} - break; - - case 99: -#line 317 "pars0grm.y" - { (yyval) = &pars_desc_token; ;} - break; - - case 100: -#line 321 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 101: -#line 323 "pars0grm.y" - { (yyval) = pars_order_by((yyvsp[-1]), (yyvsp[0])); ;} - break; - - case 102: -#line 332 "pars0grm.y" - { (yyval) = pars_select_statement((yyvsp[-6]), (yyvsp[-4]), (yyvsp[-3]), - (yyvsp[-2]), (yyvsp[-1]), (yyvsp[0])); ;} - break; - - case 103: -#line 338 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 104: -#line 343 "pars0grm.y" - { (yyval) = pars_insert_statement((yyvsp[-4]), (yyvsp[-1]), NULL); ;} - break; - - case 105: -#line 345 "pars0grm.y" - { (yyval) = pars_insert_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} - break; - - case 106: -#line 349 "pars0grm.y" - { (yyval) = pars_column_assignment((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 107: -#line 353 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 108: -#line 355 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 109: -#line 361 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 110: -#line 367 "pars0grm.y" - { (yyval) = pars_update_statement_start(FALSE, - (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 111: -#line 373 "pars0grm.y" - { (yyval) = pars_update_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} - break; - - case 112: -#line 378 "pars0grm.y" - { (yyval) = pars_update_statement((yyvsp[-1]), (yyvsp[0]), NULL); ;} - break; - - case 113: -#line 383 "pars0grm.y" - { (yyval) = pars_update_statement_start(TRUE, - (yyvsp[0]), NULL); ;} - break; - - case 114: -#line 389 "pars0grm.y" - { (yyval) = pars_update_statement((yyvsp[-1]), NULL, (yyvsp[0])); ;} - break; - - case 115: -#line 394 "pars0grm.y" - { (yyval) = pars_update_statement((yyvsp[-1]), (yyvsp[0]), NULL); ;} - break; - - case 116: -#line 399 "pars0grm.y" - { (yyval) = pars_row_printf_statement((yyvsp[0])); ;} - break; - - case 117: -#line 404 "pars0grm.y" - { (yyval) = pars_assignment_statement((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 118: -#line 410 "pars0grm.y" - { (yyval) = pars_elsif_element((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 119: -#line 414 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 120: -#line 416 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-1]), (yyvsp[0])); ;} - break; - - case 121: -#line 420 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 122: -#line 422 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 123: -#line 423 "pars0grm.y" - { (yyval) = (yyvsp[0]); ;} - break; - - case 124: -#line 430 "pars0grm.y" - { (yyval) = pars_if_statement((yyvsp[-5]), (yyvsp[-3]), (yyvsp[-2])); ;} - break; - - case 125: -#line 436 "pars0grm.y" - { (yyval) = pars_while_statement((yyvsp[-4]), (yyvsp[-2])); ;} - break; - - case 126: -#line 444 "pars0grm.y" - { (yyval) = pars_for_statement((yyvsp[-8]), (yyvsp[-6]), (yyvsp[-4]), (yyvsp[-2])); ;} - break; - - case 127: -#line 448 "pars0grm.y" - { (yyval) = pars_exit_statement(); ;} - break; - - case 128: -#line 452 "pars0grm.y" - { (yyval) = pars_return_statement(); ;} - break; - - case 129: -#line 457 "pars0grm.y" - { (yyval) = pars_open_statement( - ROW_SEL_OPEN_CURSOR, (yyvsp[0])); ;} - break; - - case 130: -#line 463 "pars0grm.y" - { (yyval) = pars_open_statement( - ROW_SEL_CLOSE_CURSOR, (yyvsp[0])); ;} - break; - - case 131: -#line 469 "pars0grm.y" - { (yyval) = pars_fetch_statement((yyvsp[-2]), (yyvsp[0]), NULL); ;} - break; - - case 132: -#line 471 "pars0grm.y" - { (yyval) = pars_fetch_statement((yyvsp[-2]), NULL, (yyvsp[0])); ;} - break; - - case 133: -#line 476 "pars0grm.y" - { (yyval) = pars_column_def((yyvsp[-4]), (yyvsp[-3]), (yyvsp[-2]), (yyvsp[-1]), (yyvsp[0])); ;} - break; - - case 134: -#line 480 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 135: -#line 482 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 136: -#line 486 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 137: -#line 488 "pars0grm.y" - { (yyval) = (yyvsp[-1]); ;} - break; - - case 138: -#line 492 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 139: -#line 494 "pars0grm.y" - { (yyval) = &pars_int_token; - /* pass any non-NULL pointer */ ;} - break; - - case 140: -#line 499 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 141: -#line 501 "pars0grm.y" - { (yyval) = &pars_int_token; - /* pass any non-NULL pointer */ ;} - break; - - case 142: -#line 506 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 143: -#line 508 "pars0grm.y" - { (yyval) = &pars_int_token; - /* pass any non-NULL pointer */ ;} - break; - - case 144: -#line 515 "pars0grm.y" - { (yyval) = pars_create_table((yyvsp[-4]), (yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 145: -#line 519 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 146: -#line 521 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 147: -#line 525 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 148: -#line 526 "pars0grm.y" - { (yyval) = &pars_unique_token; ;} - break; - - case 149: -#line 530 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 150: -#line 531 "pars0grm.y" - { (yyval) = &pars_clustered_token; ;} - break; - - case 151: -#line 539 "pars0grm.y" - { (yyval) = pars_create_index((yyvsp[-8]), (yyvsp[-7]), (yyvsp[-5]), (yyvsp[-3]), (yyvsp[-1])); ;} - break; - - case 152: -#line 544 "pars0grm.y" - { (yyval) = pars_commit_statement(); ;} - break; - - case 153: -#line 549 "pars0grm.y" - { (yyval) = pars_rollback_statement(); ;} - break; - - case 154: -#line 553 "pars0grm.y" - { (yyval) = &pars_int_token; ;} - break; - - case 155: -#line 554 "pars0grm.y" - { (yyval) = &pars_int_token; ;} - break; - - case 156: -#line 555 "pars0grm.y" - { (yyval) = &pars_char_token; ;} - break; - - case 157: -#line 556 "pars0grm.y" - { (yyval) = &pars_binary_token; ;} - break; - - case 158: -#line 557 "pars0grm.y" - { (yyval) = &pars_blob_token; ;} - break; - - case 159: -#line 562 "pars0grm.y" - { (yyval) = pars_parameter_declaration((yyvsp[-2]), - PARS_INPUT, (yyvsp[0])); ;} - break; - - case 160: -#line 565 "pars0grm.y" - { (yyval) = pars_parameter_declaration((yyvsp[-2]), - PARS_OUTPUT, (yyvsp[0])); ;} - break; - - case 161: -#line 570 "pars0grm.y" - { (yyval) = NULL; ;} - break; - - case 162: -#line 571 "pars0grm.y" - { (yyval) = que_node_list_add_last(NULL, (yyvsp[0])); ;} - break; - - case 163: -#line 573 "pars0grm.y" - { (yyval) = que_node_list_add_last((yyvsp[-2]), (yyvsp[0])); ;} - break; - - case 164: -#line 578 "pars0grm.y" - { (yyval) = pars_variable_declaration((yyvsp[-2]), (yyvsp[-1])); ;} - break; - - case 168: -#line 590 "pars0grm.y" - { (yyval) = pars_cursor_declaration((yyvsp[-3]), (yyvsp[-1])); ;} - break; - - case 169: -#line 595 "pars0grm.y" - { (yyval) = pars_function_declaration((yyvsp[-1])); ;} - break; - - case 175: -#line 616 "pars0grm.y" - { (yyval) = pars_procedure_definition((yyvsp[-9]), (yyvsp[-7]), - (yyvsp[-1])); ;} - break; - - - } - -/* Line 1010 of yacc.c. */ -#line 2345 "pars0grm.c" - - yyvsp -= yylen; - yyssp -= yylen; - - - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - - - /* Now `shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ -yyerrlab: - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (YYPACT_NINF < yyn && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - int yytype = YYTRANSLATE (yychar); - const char* yyprefix; - char *yymsg; - int yyx; - - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ - int yyxbegin = yyn < 0 ? -yyn : 0; - - /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn; - int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; - int yycount = 0; - - yyprefix = ", expecting "; - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); - yycount += 1; - if (yycount == 5) - { - yysize = 0; - break; - } - } - yysize += (sizeof ("syntax error, unexpected ") - + yystrlen (yytname[yytype])); - yymsg = (char *) YYSTACK_ALLOC (yysize); - if (yymsg != 0) - { - char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); - yyp = yystpcpy (yyp, yytname[yytype]); - - if (yycount < 5) - { - yyprefix = ", expecting "; - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - yyp = yystpcpy (yyp, yyprefix); - yyp = yystpcpy (yyp, yytname[yyx]); - yyprefix = " or "; - } - } - yyerror (yymsg); - YYSTACK_FREE (yymsg); - } - else - yyerror ("syntax error; also virtual memory exhausted"); - } - else -#endif /* YYERROR_VERBOSE */ - yyerror ("syntax error"); - } - - - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse look-ahead token after an - error, discard it. */ - - if (yychar <= YYEOF) - { - /* If at end of input, pop the error token, - then the rest of the stack, then return failure. */ - if (yychar == YYEOF) - for (;;) - { - - YYPOPSTACK; - if (yyssp == yyss) - YYABORT; - yydestruct ("Error: popping", - yystos[*yyssp], yyvsp); - } - } - else - { - yydestruct ("Error: discarding", yytoken, &yylval); - yychar = YYEMPTY; - } - } - - /* Else will try to reuse look-ahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*---------------------------------------------------. -| yyerrorlab -- error raised explicitly by YYERROR. | -`---------------------------------------------------*/ -yyerrorlab: - -#ifdef __GNUC__ - /* Pacify GCC when the user code never invokes YYERROR and the label - yyerrorlab therefore never appears in user code. */ - if (0) - goto yyerrorlab; -#endif - -yyvsp -= yylen; - yyssp -= yylen; - yystate = *yyssp; - goto yyerrlab1; - - -/*-------------------------------------------------------------. -| yyerrlab1 -- common code for both syntax error and YYERROR. | -`-------------------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (yyn != YYPACT_NINF) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - - yydestruct ("Error: popping", yystos[yystate], yyvsp); - YYPOPSTACK; - yystate = *yyssp; - YY_STACK_PRINT (yyss, yyssp); - } - - if (yyn == YYFINAL) - YYACCEPT; - - *++yyvsp = yylval; - - - /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yydestruct ("Error: discarding lookahead", - yytoken, &yylval); - yychar = YYEMPTY; - yyresult = 1; - goto yyreturn; - -#ifndef yyoverflow -/*----------------------------------------------. -| yyoverflowlab -- parser overflow comes here. | -`----------------------------------------------*/ -yyoverflowlab: - yyerror ("parser stack overflow"); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif - return yyresult; -} - - -#line 620 "pars0grm.y" - - diff --git a/perfschema/pars/pars0grm.y b/perfschema/pars/pars0grm.y deleted file mode 100644 index 14d64f1826f..00000000000 --- a/perfschema/pars/pars0grm.y +++ /dev/null @@ -1,635 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/****************************************************** -SQL parser: input file for the GNU Bison parser generator - -Look from pars0lex.l for instructions how to generate the C files for -the InnoDB parser. - -Created 12/14/1997 Heikki Tuuri -*******************************************************/ - -%{ -/* The value of the semantic attribute is a pointer to a query tree node -que_node_t */ - -#include "univ.i" -#include /* Can't be before univ.i */ -#include "pars0pars.h" -#include "mem0mem.h" -#include "que0types.h" -#include "que0que.h" -#include "row0sel.h" - -#define YYSTYPE que_node_t* - -/* #define __STDC__ */ - -int -yylex(void); -%} - -%token PARS_INT_LIT -%token PARS_FLOAT_LIT -%token PARS_STR_LIT -%token PARS_FIXBINARY_LIT -%token PARS_BLOB_LIT -%token PARS_NULL_LIT -%token PARS_ID_TOKEN -%token PARS_AND_TOKEN -%token PARS_OR_TOKEN -%token PARS_NOT_TOKEN -%token PARS_GE_TOKEN -%token PARS_LE_TOKEN -%token PARS_NE_TOKEN -%token PARS_PROCEDURE_TOKEN -%token PARS_IN_TOKEN -%token PARS_OUT_TOKEN -%token PARS_BINARY_TOKEN -%token PARS_BLOB_TOKEN -%token PARS_INT_TOKEN -%token PARS_INTEGER_TOKEN -%token PARS_FLOAT_TOKEN -%token PARS_CHAR_TOKEN -%token PARS_IS_TOKEN -%token PARS_BEGIN_TOKEN -%token PARS_END_TOKEN -%token PARS_IF_TOKEN -%token PARS_THEN_TOKEN -%token PARS_ELSE_TOKEN -%token PARS_ELSIF_TOKEN -%token PARS_LOOP_TOKEN -%token PARS_WHILE_TOKEN -%token PARS_RETURN_TOKEN -%token PARS_SELECT_TOKEN -%token PARS_SUM_TOKEN -%token PARS_COUNT_TOKEN -%token PARS_DISTINCT_TOKEN -%token PARS_FROM_TOKEN -%token PARS_WHERE_TOKEN -%token PARS_FOR_TOKEN -%token PARS_DDOT_TOKEN -%token PARS_READ_TOKEN -%token PARS_ORDER_TOKEN -%token PARS_BY_TOKEN -%token PARS_ASC_TOKEN -%token PARS_DESC_TOKEN -%token PARS_INSERT_TOKEN -%token PARS_INTO_TOKEN -%token PARS_VALUES_TOKEN -%token PARS_UPDATE_TOKEN -%token PARS_SET_TOKEN -%token PARS_DELETE_TOKEN -%token PARS_CURRENT_TOKEN -%token PARS_OF_TOKEN -%token PARS_CREATE_TOKEN -%token PARS_TABLE_TOKEN -%token PARS_INDEX_TOKEN -%token PARS_UNIQUE_TOKEN -%token PARS_CLUSTERED_TOKEN -%token PARS_DOES_NOT_FIT_IN_MEM_TOKEN -%token PARS_ON_TOKEN -%token PARS_ASSIGN_TOKEN -%token PARS_DECLARE_TOKEN -%token PARS_CURSOR_TOKEN -%token PARS_SQL_TOKEN -%token PARS_OPEN_TOKEN -%token PARS_FETCH_TOKEN -%token PARS_CLOSE_TOKEN -%token PARS_NOTFOUND_TOKEN -%token PARS_TO_CHAR_TOKEN -%token PARS_TO_NUMBER_TOKEN -%token PARS_TO_BINARY_TOKEN -%token PARS_BINARY_TO_NUMBER_TOKEN -%token PARS_SUBSTR_TOKEN -%token PARS_REPLSTR_TOKEN -%token PARS_CONCAT_TOKEN -%token PARS_INSTR_TOKEN -%token PARS_LENGTH_TOKEN -%token PARS_SYSDATE_TOKEN -%token PARS_PRINTF_TOKEN -%token PARS_ASSERT_TOKEN -%token PARS_RND_TOKEN -%token PARS_RND_STR_TOKEN -%token PARS_ROW_PRINTF_TOKEN -%token PARS_COMMIT_TOKEN -%token PARS_ROLLBACK_TOKEN -%token PARS_WORK_TOKEN -%token PARS_UNSIGNED_TOKEN -%token PARS_EXIT_TOKEN -%token PARS_FUNCTION_TOKEN -%token PARS_LOCK_TOKEN -%token PARS_SHARE_TOKEN -%token PARS_MODE_TOKEN - -%left PARS_AND_TOKEN PARS_OR_TOKEN -%left PARS_NOT_TOKEN -%left '=' '<' '>' PARS_GE_TOKEN PARS_LE_TOKEN -%left '-' '+' -%left '*' '/' -%left NEG /* negation--unary minus */ -%left '%' - -/* Grammar follows */ -%% - -top_statement: - procedure_definition ';' - -statement: - stored_procedure_call - | predefined_procedure_call ';' - | while_statement ';' - | for_statement ';' - | exit_statement ';' - | if_statement ';' - | return_statement ';' - | assignment_statement ';' - | select_statement ';' - | insert_statement ';' - | row_printf_statement ';' - | delete_statement_searched ';' - | delete_statement_positioned ';' - | update_statement_searched ';' - | update_statement_positioned ';' - | open_cursor_statement ';' - | fetch_statement ';' - | close_cursor_statement ';' - | commit_statement ';' - | rollback_statement ';' - | create_table ';' - | create_index ';' -; - -statement_list: - statement { $$ = que_node_list_add_last(NULL, $1); } - | statement_list statement - { $$ = que_node_list_add_last($1, $2); } -; - -exp: - PARS_ID_TOKEN { $$ = $1;} - | function_name '(' exp_list ')' - { $$ = pars_func($1, $3); } - | PARS_INT_LIT { $$ = $1;} - | PARS_FLOAT_LIT { $$ = $1;} - | PARS_STR_LIT { $$ = $1;} - | PARS_FIXBINARY_LIT { $$ = $1;} - | PARS_BLOB_LIT { $$ = $1;} - | PARS_NULL_LIT { $$ = $1;} - | PARS_SQL_TOKEN { $$ = $1;} - | exp '+' exp { $$ = pars_op('+', $1, $3); } - | exp '-' exp { $$ = pars_op('-', $1, $3); } - | exp '*' exp { $$ = pars_op('*', $1, $3); } - | exp '/' exp { $$ = pars_op('/', $1, $3); } - | '-' exp %prec NEG { $$ = pars_op('-', $2, NULL); } - | '(' exp ')' { $$ = $2; } - | exp '=' exp { $$ = pars_op('=', $1, $3); } - | exp '<' exp { $$ = pars_op('<', $1, $3); } - | exp '>' exp { $$ = pars_op('>', $1, $3); } - | exp PARS_GE_TOKEN exp { $$ = pars_op(PARS_GE_TOKEN, $1, $3); } - | exp PARS_LE_TOKEN exp { $$ = pars_op(PARS_LE_TOKEN, $1, $3); } - | exp PARS_NE_TOKEN exp { $$ = pars_op(PARS_NE_TOKEN, $1, $3); } - | exp PARS_AND_TOKEN exp{ $$ = pars_op(PARS_AND_TOKEN, $1, $3); } - | exp PARS_OR_TOKEN exp { $$ = pars_op(PARS_OR_TOKEN, $1, $3); } - | PARS_NOT_TOKEN exp { $$ = pars_op(PARS_NOT_TOKEN, $2, NULL); } - | PARS_ID_TOKEN '%' PARS_NOTFOUND_TOKEN - { $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); } - | PARS_SQL_TOKEN '%' PARS_NOTFOUND_TOKEN - { $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); } -; - -function_name: - PARS_TO_CHAR_TOKEN { $$ = &pars_to_char_token; } - | PARS_TO_NUMBER_TOKEN { $$ = &pars_to_number_token; } - | PARS_TO_BINARY_TOKEN { $$ = &pars_to_binary_token; } - | PARS_BINARY_TO_NUMBER_TOKEN - { $$ = &pars_binary_to_number_token; } - | PARS_SUBSTR_TOKEN { $$ = &pars_substr_token; } - | PARS_CONCAT_TOKEN { $$ = &pars_concat_token; } - | PARS_INSTR_TOKEN { $$ = &pars_instr_token; } - | PARS_LENGTH_TOKEN { $$ = &pars_length_token; } - | PARS_SYSDATE_TOKEN { $$ = &pars_sysdate_token; } - | PARS_RND_TOKEN { $$ = &pars_rnd_token; } - | PARS_RND_STR_TOKEN { $$ = &pars_rnd_str_token; } -; - -question_mark_list: - /* Nothing */ - | '?' - | question_mark_list ',' '?' -; - -stored_procedure_call: - '{' PARS_ID_TOKEN '(' question_mark_list ')' '}' - { $$ = pars_stored_procedure_call($2); } -; - -predefined_procedure_call: - predefined_procedure_name '(' exp_list ')' - { $$ = pars_procedure_call($1, $3); } -; - -predefined_procedure_name: - PARS_REPLSTR_TOKEN { $$ = &pars_replstr_token; } - | PARS_PRINTF_TOKEN { $$ = &pars_printf_token; } - | PARS_ASSERT_TOKEN { $$ = &pars_assert_token; } -; - -user_function_call: - PARS_ID_TOKEN '(' ')' { $$ = $1; } -; - -table_list: - PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } - | table_list ',' PARS_ID_TOKEN - { $$ = que_node_list_add_last($1, $3); } -; - -variable_list: - /* Nothing */ { $$ = NULL; } - | PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } - | variable_list ',' PARS_ID_TOKEN - { $$ = que_node_list_add_last($1, $3); } -; - -exp_list: - /* Nothing */ { $$ = NULL; } - | exp { $$ = que_node_list_add_last(NULL, $1);} - | exp_list ',' exp { $$ = que_node_list_add_last($1, $3); } -; - -select_item: - exp { $$ = $1; } - | PARS_COUNT_TOKEN '(' '*' ')' - { $$ = pars_func(&pars_count_token, - que_node_list_add_last(NULL, - sym_tab_add_int_lit( - pars_sym_tab_global, 1))); } - | PARS_COUNT_TOKEN '(' PARS_DISTINCT_TOKEN PARS_ID_TOKEN ')' - { $$ = pars_func(&pars_count_token, - que_node_list_add_last(NULL, - pars_func(&pars_distinct_token, - que_node_list_add_last( - NULL, $4)))); } - | PARS_SUM_TOKEN '(' exp ')' - { $$ = pars_func(&pars_sum_token, - que_node_list_add_last(NULL, - $3)); } -; - -select_item_list: - /* Nothing */ { $$ = NULL; } - | select_item { $$ = que_node_list_add_last(NULL, $1); } - | select_item_list ',' select_item - { $$ = que_node_list_add_last($1, $3); } -; - -select_list: - '*' { $$ = pars_select_list(&pars_star_denoter, - NULL); } - | select_item_list PARS_INTO_TOKEN variable_list - { $$ = pars_select_list($1, $3); } - | select_item_list { $$ = pars_select_list($1, NULL); } -; - -search_condition: - /* Nothing */ { $$ = NULL; } - | PARS_WHERE_TOKEN exp { $$ = $2; } -; - -for_update_clause: - /* Nothing */ { $$ = NULL; } - | PARS_FOR_TOKEN PARS_UPDATE_TOKEN - { $$ = &pars_update_token; } -; - -lock_shared_clause: - /* Nothing */ { $$ = NULL; } - | PARS_LOCK_TOKEN PARS_IN_TOKEN PARS_SHARE_TOKEN PARS_MODE_TOKEN - { $$ = &pars_share_token; } -; - -order_direction: - /* Nothing */ { $$ = &pars_asc_token; } - | PARS_ASC_TOKEN { $$ = &pars_asc_token; } - | PARS_DESC_TOKEN { $$ = &pars_desc_token; } -; - -order_by_clause: - /* Nothing */ { $$ = NULL; } - | PARS_ORDER_TOKEN PARS_BY_TOKEN PARS_ID_TOKEN order_direction - { $$ = pars_order_by($3, $4); } -; - -select_statement: - PARS_SELECT_TOKEN select_list - PARS_FROM_TOKEN table_list - search_condition - for_update_clause - lock_shared_clause - order_by_clause { $$ = pars_select_statement($2, $4, $5, - $6, $7, $8); } -; - -insert_statement_start: - PARS_INSERT_TOKEN PARS_INTO_TOKEN - PARS_ID_TOKEN { $$ = $3; } -; - -insert_statement: - insert_statement_start PARS_VALUES_TOKEN '(' exp_list ')' - { $$ = pars_insert_statement($1, $4, NULL); } - | insert_statement_start select_statement - { $$ = pars_insert_statement($1, NULL, $2); } -; - -column_assignment: - PARS_ID_TOKEN '=' exp { $$ = pars_column_assignment($1, $3); } -; - -column_assignment_list: - column_assignment { $$ = que_node_list_add_last(NULL, $1); } - | column_assignment_list ',' column_assignment - { $$ = que_node_list_add_last($1, $3); } -; - -cursor_positioned: - PARS_WHERE_TOKEN - PARS_CURRENT_TOKEN PARS_OF_TOKEN - PARS_ID_TOKEN { $$ = $4; } -; - -update_statement_start: - PARS_UPDATE_TOKEN PARS_ID_TOKEN - PARS_SET_TOKEN - column_assignment_list { $$ = pars_update_statement_start(FALSE, - $2, $4); } -; - -update_statement_searched: - update_statement_start - search_condition { $$ = pars_update_statement($1, NULL, $2); } -; - -update_statement_positioned: - update_statement_start - cursor_positioned { $$ = pars_update_statement($1, $2, NULL); } -; - -delete_statement_start: - PARS_DELETE_TOKEN PARS_FROM_TOKEN - PARS_ID_TOKEN { $$ = pars_update_statement_start(TRUE, - $3, NULL); } -; - -delete_statement_searched: - delete_statement_start - search_condition { $$ = pars_update_statement($1, NULL, $2); } -; - -delete_statement_positioned: - delete_statement_start - cursor_positioned { $$ = pars_update_statement($1, $2, NULL); } -; - -row_printf_statement: - PARS_ROW_PRINTF_TOKEN select_statement - { $$ = pars_row_printf_statement($2); } -; - -assignment_statement: - PARS_ID_TOKEN PARS_ASSIGN_TOKEN exp - { $$ = pars_assignment_statement($1, $3); } -; - -elsif_element: - PARS_ELSIF_TOKEN - exp PARS_THEN_TOKEN statement_list - { $$ = pars_elsif_element($2, $4); } -; - -elsif_list: - elsif_element { $$ = que_node_list_add_last(NULL, $1); } - | elsif_list elsif_element - { $$ = que_node_list_add_last($1, $2); } -; - -else_part: - /* Nothing */ { $$ = NULL; } - | PARS_ELSE_TOKEN statement_list - { $$ = $2; } - | elsif_list { $$ = $1; } -; - -if_statement: - PARS_IF_TOKEN exp PARS_THEN_TOKEN statement_list - else_part - PARS_END_TOKEN PARS_IF_TOKEN - { $$ = pars_if_statement($2, $4, $5); } -; - -while_statement: - PARS_WHILE_TOKEN exp PARS_LOOP_TOKEN statement_list - PARS_END_TOKEN PARS_LOOP_TOKEN - { $$ = pars_while_statement($2, $4); } -; - -for_statement: - PARS_FOR_TOKEN PARS_ID_TOKEN PARS_IN_TOKEN - exp PARS_DDOT_TOKEN exp - PARS_LOOP_TOKEN statement_list - PARS_END_TOKEN PARS_LOOP_TOKEN - { $$ = pars_for_statement($2, $4, $6, $8); } -; - -exit_statement: - PARS_EXIT_TOKEN { $$ = pars_exit_statement(); } -; - -return_statement: - PARS_RETURN_TOKEN { $$ = pars_return_statement(); } -; - -open_cursor_statement: - PARS_OPEN_TOKEN PARS_ID_TOKEN - { $$ = pars_open_statement( - ROW_SEL_OPEN_CURSOR, $2); } -; - -close_cursor_statement: - PARS_CLOSE_TOKEN PARS_ID_TOKEN - { $$ = pars_open_statement( - ROW_SEL_CLOSE_CURSOR, $2); } -; - -fetch_statement: - PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN variable_list - { $$ = pars_fetch_statement($2, $4, NULL); } - | PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN user_function_call - { $$ = pars_fetch_statement($2, NULL, $4); } -; - -column_def: - PARS_ID_TOKEN type_name opt_column_len opt_unsigned opt_not_null - { $$ = pars_column_def($1, $2, $3, $4, $5); } -; - -column_def_list: - column_def { $$ = que_node_list_add_last(NULL, $1); } - | column_def_list ',' column_def - { $$ = que_node_list_add_last($1, $3); } -; - -opt_column_len: - /* Nothing */ { $$ = NULL; } - | '(' PARS_INT_LIT ')' - { $$ = $2; } -; - -opt_unsigned: - /* Nothing */ { $$ = NULL; } - | PARS_UNSIGNED_TOKEN - { $$ = &pars_int_token; - /* pass any non-NULL pointer */ } -; - -opt_not_null: - /* Nothing */ { $$ = NULL; } - | PARS_NOT_TOKEN PARS_NULL_LIT - { $$ = &pars_int_token; - /* pass any non-NULL pointer */ } -; - -not_fit_in_memory: - /* Nothing */ { $$ = NULL; } - | PARS_DOES_NOT_FIT_IN_MEM_TOKEN - { $$ = &pars_int_token; - /* pass any non-NULL pointer */ } -; - -create_table: - PARS_CREATE_TOKEN PARS_TABLE_TOKEN - PARS_ID_TOKEN '(' column_def_list ')' - not_fit_in_memory { $$ = pars_create_table($3, $5, $7); } -; - -column_list: - PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); } - | column_list ',' PARS_ID_TOKEN - { $$ = que_node_list_add_last($1, $3); } -; - -unique_def: - /* Nothing */ { $$ = NULL; } - | PARS_UNIQUE_TOKEN { $$ = &pars_unique_token; } -; - -clustered_def: - /* Nothing */ { $$ = NULL; } - | PARS_CLUSTERED_TOKEN { $$ = &pars_clustered_token; } -; - -create_index: - PARS_CREATE_TOKEN unique_def - clustered_def - PARS_INDEX_TOKEN - PARS_ID_TOKEN PARS_ON_TOKEN PARS_ID_TOKEN - '(' column_list ')' { $$ = pars_create_index($2, $3, $5, $7, $9); } -; - -commit_statement: - PARS_COMMIT_TOKEN PARS_WORK_TOKEN - { $$ = pars_commit_statement(); } -; - -rollback_statement: - PARS_ROLLBACK_TOKEN PARS_WORK_TOKEN - { $$ = pars_rollback_statement(); } -; - -type_name: - PARS_INT_TOKEN { $$ = &pars_int_token; } - | PARS_INTEGER_TOKEN { $$ = &pars_int_token; } - | PARS_CHAR_TOKEN { $$ = &pars_char_token; } - | PARS_BINARY_TOKEN { $$ = &pars_binary_token; } - | PARS_BLOB_TOKEN { $$ = &pars_blob_token; } -; - -parameter_declaration: - PARS_ID_TOKEN PARS_IN_TOKEN type_name - { $$ = pars_parameter_declaration($1, - PARS_INPUT, $3); } - | PARS_ID_TOKEN PARS_OUT_TOKEN type_name - { $$ = pars_parameter_declaration($1, - PARS_OUTPUT, $3); } -; - -parameter_declaration_list: - /* Nothing */ { $$ = NULL; } - | parameter_declaration { $$ = que_node_list_add_last(NULL, $1); } - | parameter_declaration_list ',' parameter_declaration - { $$ = que_node_list_add_last($1, $3); } -; - -variable_declaration: - PARS_ID_TOKEN type_name ';' - { $$ = pars_variable_declaration($1, $2); } -; - -variable_declaration_list: - /* Nothing */ - | variable_declaration - | variable_declaration_list variable_declaration -; - -cursor_declaration: - PARS_DECLARE_TOKEN PARS_CURSOR_TOKEN PARS_ID_TOKEN - PARS_IS_TOKEN select_statement ';' - { $$ = pars_cursor_declaration($3, $5); } -; - -function_declaration: - PARS_DECLARE_TOKEN PARS_FUNCTION_TOKEN PARS_ID_TOKEN ';' - { $$ = pars_function_declaration($3); } -; - -declaration: - cursor_declaration - | function_declaration -; - -declaration_list: - /* Nothing */ - | declaration - | declaration_list declaration -; - -procedure_definition: - PARS_PROCEDURE_TOKEN PARS_ID_TOKEN '(' parameter_declaration_list ')' - PARS_IS_TOKEN - variable_declaration_list - declaration_list - PARS_BEGIN_TOKEN - statement_list - PARS_END_TOKEN { $$ = pars_procedure_definition($2, $4, - $10); } -; - -%% diff --git a/perfschema/pars/pars0lex.l b/perfschema/pars/pars0lex.l deleted file mode 100644 index 55ed17f82e1..00000000000 --- a/perfschema/pars/pars0lex.l +++ /dev/null @@ -1,676 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/****************************************************** -SQL parser lexical analyzer: input file for the GNU Flex lexer generator - -The InnoDB parser is frozen because MySQL takes care of SQL parsing. -Therefore we normally keep the InnoDB parser C files as they are, and do -not automatically generate them from pars0grm.y and pars0lex.l. - -How to make the InnoDB parser and lexer C files: - -1. Run ./make_flex.sh to generate lexer files. - -2. Run ./make_bison.sh to generate parser files. - -These instructions seem to work at least with bison-1.875d and flex-2.5.31 on -Linux. - -Created 12/14/1997 Heikki Tuuri -*******************************************************/ - -%option nostdinit -%option 8bit -%option warn -%option pointer -%option never-interactive -%option nodefault -%option noinput -%option nounput -%option noyywrap -%option noyy_scan_buffer -%option noyy_scan_bytes -%option noyy_scan_string -%option nounistd - -%{ -#define YYSTYPE que_node_t* - -#include "univ.i" -#include "pars0pars.h" -#include "pars0grm.h" -#include "pars0sym.h" -#include "mem0mem.h" -#include "os0proc.h" - -#define malloc(A) ut_malloc(A) -#define free(A) ut_free(A) -#define realloc(P, A) ut_realloc(P, A) -#define exit(A) ut_error - -#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result, max_size) - -/* String buffer for removing quotes */ -static ulint stringbuf_len_alloc = 0; /* Allocated length */ -static ulint stringbuf_len = 0; /* Current length */ -static char* stringbuf; /* Start of buffer */ -/** Appends a string to the buffer. */ -static -void -string_append( -/*==========*/ - const char* str, /*!< in: string to be appended */ - ulint len) /*!< in: length of the string */ -{ - if (stringbuf == NULL) { - stringbuf = malloc(1); - stringbuf_len_alloc = 1; - } - - if (stringbuf_len + len > stringbuf_len_alloc) { - while (stringbuf_len + len > stringbuf_len_alloc) { - stringbuf_len_alloc <<= 1; - } - stringbuf = realloc(stringbuf, stringbuf_len_alloc); - } - - memcpy(stringbuf + stringbuf_len, str, len); - stringbuf_len += len; -} - -%} - -DIGIT [0-9] -ID [a-z_A-Z][a-z_A-Z0-9]* -BOUND_LIT \:[a-z_A-Z0-9]+ -BOUND_ID \$[a-z_A-Z0-9]+ - -%x comment -%x quoted -%x id -%% - -{DIGIT}+ { - yylval = sym_tab_add_int_lit(pars_sym_tab_global, - atoi(yytext)); - return(PARS_INT_LIT); -} - -{DIGIT}+"."{DIGIT}* { - ut_error; /* not implemented */ - - return(PARS_FLOAT_LIT); -} - -{BOUND_LIT} { - ulint type; - - yylval = sym_tab_add_bound_lit(pars_sym_tab_global, - yytext + 1, &type); - - return((int) type); -} - -{BOUND_ID} { - yylval = sym_tab_add_bound_id(pars_sym_tab_global, - yytext + 1); - - return(PARS_ID_TOKEN); -} - -"'" { -/* Quoted character string literals are handled in an explicit -start state 'quoted'. This state is entered and the buffer for -the scanned string is emptied upon encountering a starting quote. - -In the state 'quoted', only two actions are possible (defined below). */ - BEGIN(quoted); - stringbuf_len = 0; -} -[^\']+ { - /* Got a sequence of characters other than "'": - append to string buffer */ - string_append(yytext, yyleng); -} -"'"+ { - /* Got a sequence of "'" characters: - append half of them to string buffer, - as "''" represents a single "'". - We apply truncating division, - so that "'''" will result in "'". */ - - string_append(yytext, yyleng / 2); - - /* If we got an odd number of quotes, then the - last quote we got is the terminating quote. - At the end of the string, we return to the - initial start state and report the scanned - string literal. */ - - if (yyleng % 2) { - BEGIN(INITIAL); - yylval = sym_tab_add_str_lit( - pars_sym_tab_global, - (byte*) stringbuf, stringbuf_len); - return(PARS_STR_LIT); - } -} - -\" { -/* Quoted identifiers are handled in an explicit start state 'id'. -This state is entered and the buffer for the scanned string is emptied -upon encountering a starting quote. - -In the state 'id', only two actions are possible (defined below). */ - BEGIN(id); - stringbuf_len = 0; -} -[^\"]+ { - /* Got a sequence of characters other than '"': - append to string buffer */ - string_append(yytext, yyleng); -} -\"+ { - /* Got a sequence of '"' characters: - append half of them to string buffer, - as '""' represents a single '"'. - We apply truncating division, - so that '"""' will result in '"'. */ - - string_append(yytext, yyleng / 2); - - /* If we got an odd number of quotes, then the - last quote we got is the terminating quote. - At the end of the string, we return to the - initial start state and report the scanned - identifier. */ - - if (yyleng % 2) { - BEGIN(INITIAL); - yylval = sym_tab_add_id( - pars_sym_tab_global, - (byte*) stringbuf, stringbuf_len); - - return(PARS_ID_TOKEN); - } -} - -"NULL" { - yylval = sym_tab_add_null_lit(pars_sym_tab_global); - - return(PARS_NULL_LIT); -} - -"SQL" { - /* Implicit cursor name */ - yylval = sym_tab_add_str_lit(pars_sym_tab_global, - (byte*) yytext, yyleng); - return(PARS_SQL_TOKEN); -} - -"AND" { - return(PARS_AND_TOKEN); -} - -"OR" { - return(PARS_OR_TOKEN); -} - -"NOT" { - return(PARS_NOT_TOKEN); -} - -"PROCEDURE" { - return(PARS_PROCEDURE_TOKEN); -} - -"IN" { - return(PARS_IN_TOKEN); -} - -"OUT" { - return(PARS_OUT_TOKEN); -} - -"BINARY" { - return(PARS_BINARY_TOKEN); -} - -"BLOB" { - return(PARS_BLOB_TOKEN); -} - -"INT" { - return(PARS_INT_TOKEN); -} - -"INTEGER" { - return(PARS_INT_TOKEN); -} - -"FLOAT" { - return(PARS_FLOAT_TOKEN); -} - -"CHAR" { - return(PARS_CHAR_TOKEN); -} - -"IS" { - return(PARS_IS_TOKEN); -} - -"BEGIN" { - return(PARS_BEGIN_TOKEN); -} - -"END" { - return(PARS_END_TOKEN); -} - -"IF" { - return(PARS_IF_TOKEN); -} - -"THEN" { - return(PARS_THEN_TOKEN); -} - -"ELSE" { - return(PARS_ELSE_TOKEN); -} - -"ELSIF" { - return(PARS_ELSIF_TOKEN); -} - -"LOOP" { - return(PARS_LOOP_TOKEN); -} - -"WHILE" { - return(PARS_WHILE_TOKEN); -} - -"RETURN" { - return(PARS_RETURN_TOKEN); -} - -"SELECT" { - return(PARS_SELECT_TOKEN); -} - -"SUM" { - return(PARS_SUM_TOKEN); -} - -"COUNT" { - return(PARS_COUNT_TOKEN); -} - -"DISTINCT" { - return(PARS_DISTINCT_TOKEN); -} - -"FROM" { - return(PARS_FROM_TOKEN); -} - -"WHERE" { - return(PARS_WHERE_TOKEN); -} - -"FOR" { - return(PARS_FOR_TOKEN); -} - -"READ" { - return(PARS_READ_TOKEN); -} - -"ORDER" { - return(PARS_ORDER_TOKEN); -} - -"BY" { - return(PARS_BY_TOKEN); -} - -"ASC" { - return(PARS_ASC_TOKEN); -} - -"DESC" { - return(PARS_DESC_TOKEN); -} - -"INSERT" { - return(PARS_INSERT_TOKEN); -} - -"INTO" { - return(PARS_INTO_TOKEN); -} - -"VALUES" { - return(PARS_VALUES_TOKEN); -} - -"UPDATE" { - return(PARS_UPDATE_TOKEN); -} - -"SET" { - return(PARS_SET_TOKEN); -} - -"DELETE" { - return(PARS_DELETE_TOKEN); -} - -"CURRENT" { - return(PARS_CURRENT_TOKEN); -} - -"OF" { - return(PARS_OF_TOKEN); -} - -"CREATE" { - return(PARS_CREATE_TOKEN); -} - -"TABLE" { - return(PARS_TABLE_TOKEN); -} - -"INDEX" { - return(PARS_INDEX_TOKEN); -} - -"UNIQUE" { - return(PARS_UNIQUE_TOKEN); -} - -"CLUSTERED" { - return(PARS_CLUSTERED_TOKEN); -} - -"DOES_NOT_FIT_IN_MEMORY" { - return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); -} - -"ON" { - return(PARS_ON_TOKEN); -} - -"DECLARE" { - return(PARS_DECLARE_TOKEN); -} - -"CURSOR" { - return(PARS_CURSOR_TOKEN); -} - -"OPEN" { - return(PARS_OPEN_TOKEN); -} - -"FETCH" { - return(PARS_FETCH_TOKEN); -} - -"CLOSE" { - return(PARS_CLOSE_TOKEN); -} - -"NOTFOUND" { - return(PARS_NOTFOUND_TOKEN); -} - -"TO_CHAR" { - return(PARS_TO_CHAR_TOKEN); -} - -"TO_NUMBER" { - return(PARS_TO_NUMBER_TOKEN); -} - -"TO_BINARY" { - return(PARS_TO_BINARY_TOKEN); -} - -"BINARY_TO_NUMBER" { - return(PARS_BINARY_TO_NUMBER_TOKEN); -} - -"SUBSTR" { - return(PARS_SUBSTR_TOKEN); -} - -"REPLSTR" { - return(PARS_REPLSTR_TOKEN); -} - -"CONCAT" { - return(PARS_CONCAT_TOKEN); -} - -"INSTR" { - return(PARS_INSTR_TOKEN); -} - -"LENGTH" { - return(PARS_LENGTH_TOKEN); -} - -"SYSDATE" { - return(PARS_SYSDATE_TOKEN); -} - -"PRINTF" { - return(PARS_PRINTF_TOKEN); -} - -"ASSERT" { - return(PARS_ASSERT_TOKEN); -} - -"RND" { - return(PARS_RND_TOKEN); -} - -"RND_STR" { - return(PARS_RND_STR_TOKEN); -} - -"ROW_PRINTF" { - return(PARS_ROW_PRINTF_TOKEN); -} - -"COMMIT" { - return(PARS_COMMIT_TOKEN); -} - -"ROLLBACK" { - return(PARS_ROLLBACK_TOKEN); -} - -"WORK" { - return(PARS_WORK_TOKEN); -} - -"UNSIGNED" { - return(PARS_UNSIGNED_TOKEN); -} - -"EXIT" { - return(PARS_EXIT_TOKEN); -} - -"FUNCTION" { - return(PARS_FUNCTION_TOKEN); -} - -"LOCK" { - return(PARS_LOCK_TOKEN); -} - -"SHARE" { - return(PARS_SHARE_TOKEN); -} - -"MODE" { - return(PARS_MODE_TOKEN); -} - -{ID} { - yylval = sym_tab_add_id(pars_sym_tab_global, - (byte*)yytext, - ut_strlen(yytext)); - return(PARS_ID_TOKEN); -} - -".." { - return(PARS_DDOT_TOKEN); -} - -":=" { - return(PARS_ASSIGN_TOKEN); -} - -"<=" { - return(PARS_LE_TOKEN); -} - -">=" { - return(PARS_GE_TOKEN); -} - -"<>" { - return(PARS_NE_TOKEN); -} - -"(" { - - return((int)(*yytext)); -} - -"=" { - - return((int)(*yytext)); -} - -">" { - - return((int)(*yytext)); -} - -"<" { - - return((int)(*yytext)); -} - -"," { - - return((int)(*yytext)); -} - -";" { - - return((int)(*yytext)); -} - -")" { - - return((int)(*yytext)); -} - -"+" { - - return((int)(*yytext)); -} - -"-" { - - return((int)(*yytext)); -} - -"*" { - - return((int)(*yytext)); -} - -"/" { - - return((int)(*yytext)); -} - -"%" { - - return((int)(*yytext)); -} - -"{" { - - return((int)(*yytext)); -} - -"}" { - - return((int)(*yytext)); -} - -"?" { - - return((int)(*yytext)); -} - -"/*" BEGIN(comment); /* eat up comment */ - -[^*]* -"*"+[^*/]* -"*"+"/" BEGIN(INITIAL); - -[ \t\n]+ /* eat up whitespace */ - - -. { - fprintf(stderr,"Unrecognized character: %02x\n", - *yytext); - - ut_error; - - return(0); -} - -%% - -/********************************************************************** -Release any resources used by the lexer. */ -UNIV_INTERN -void -pars_lexer_close(void) -/*==================*/ -{ - yylex_destroy(); - free(stringbuf); - stringbuf = NULL; - stringbuf_len_alloc = stringbuf_len = 0; -} diff --git a/perfschema/pars/pars0opt.c b/perfschema/pars/pars0opt.c deleted file mode 100644 index 2e392ba4836..00000000000 --- a/perfschema/pars/pars0opt.c +++ /dev/null @@ -1,1216 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file pars/pars0opt.c -Simple SQL optimizer - -Created 12/21/1997 Heikki Tuuri -*******************************************************/ - -#include "pars0opt.h" - -#ifdef UNIV_NONINL -#include "pars0opt.ic" -#endif - -#include "row0sel.h" -#include "row0ins.h" -#include "row0upd.h" -#include "dict0dict.h" -#include "dict0mem.h" -#include "que0que.h" -#include "pars0grm.h" -#include "pars0pars.h" -#include "lock0lock.h" - -#define OPT_EQUAL 1 /* comparison by = */ -#define OPT_COMPARISON 2 /* comparison by <, >, <=, or >= */ - -#define OPT_NOT_COND 1 -#define OPT_END_COND 2 -#define OPT_TEST_COND 3 -#define OPT_SCROLL_COND 4 - - -/*******************************************************************//** -Inverts a comparison operator. -@return the equivalent operator when the order of the arguments is switched */ -static -int -opt_invert_cmp_op( -/*==============*/ - int op) /*!< in: operator */ -{ - if (op == '<') { - return('>'); - } else if (op == '>') { - return('<'); - } else if (op == '=') { - return('='); - } else if (op == PARS_LE_TOKEN) { - return(PARS_GE_TOKEN); - } else if (op == PARS_GE_TOKEN) { - return(PARS_LE_TOKEN); - } else { - ut_error; - } - - return(0); -} - -/*******************************************************************//** -Checks if the value of an expression can be calculated BEFORE the nth table -in a join is accessed. If this is the case, it can possibly be used in an -index search for the nth table. -@return TRUE if already determined */ -static -ibool -opt_check_exp_determined_before( -/*============================*/ - que_node_t* exp, /*!< in: expression */ - sel_node_t* sel_node, /*!< in: select node */ - ulint nth_table) /*!< in: nth table will be accessed */ -{ - func_node_t* func_node; - sym_node_t* sym_node; - dict_table_t* table; - que_node_t* arg; - ulint i; - - ut_ad(exp && sel_node); - - if (que_node_get_type(exp) == QUE_NODE_FUNC) { - func_node = exp; - - arg = func_node->args; - - while (arg) { - if (!opt_check_exp_determined_before(arg, sel_node, - nth_table)) { - return(FALSE); - } - - arg = que_node_get_next(arg); - } - - return(TRUE); - } - - ut_a(que_node_get_type(exp) == QUE_NODE_SYMBOL); - - sym_node = exp; - - if (sym_node->token_type != SYM_COLUMN) { - - return(TRUE); - } - - for (i = 0; i < nth_table; i++) { - - table = sel_node_get_nth_plan(sel_node, i)->table; - - if (sym_node->table == table) { - - return(TRUE); - } - } - - return(FALSE); -} - -/*******************************************************************//** -Looks in a comparison condition if a column value is already restricted by -it BEFORE the nth table is accessed. -@return expression restricting the value of the column, or NULL if not known */ -static -que_node_t* -opt_look_for_col_in_comparison_before( -/*==================================*/ - ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ - ulint col_no, /*!< in: column number */ - func_node_t* search_cond, /*!< in: comparison condition */ - sel_node_t* sel_node, /*!< in: select node */ - ulint nth_table, /*!< in: nth table in a join (a query - from a single table is considered a - join of 1 table) */ - ulint* op) /*!< out: comparison operator ('=', - PARS_GE_TOKEN, ... ); this is inverted - if the column appears on the right - side */ -{ - sym_node_t* sym_node; - dict_table_t* table; - que_node_t* exp; - que_node_t* arg; - - ut_ad(search_cond); - - ut_a((search_cond->func == '<') - || (search_cond->func == '>') - || (search_cond->func == '=') - || (search_cond->func == PARS_GE_TOKEN) - || (search_cond->func == PARS_LE_TOKEN)); - - table = sel_node_get_nth_plan(sel_node, nth_table)->table; - - if ((cmp_type == OPT_EQUAL) && (search_cond->func != '=')) { - - return(NULL); - - } else if ((cmp_type == OPT_COMPARISON) - && (search_cond->func != '<') - && (search_cond->func != '>') - && (search_cond->func != PARS_GE_TOKEN) - && (search_cond->func != PARS_LE_TOKEN)) { - - return(NULL); - } - - arg = search_cond->args; - - if (que_node_get_type(arg) == QUE_NODE_SYMBOL) { - sym_node = arg; - - if ((sym_node->token_type == SYM_COLUMN) - && (sym_node->table == table) - && (sym_node->col_no == col_no)) { - - /* sym_node contains the desired column id */ - - /* Check if the expression on the right side of the - operator is already determined */ - - exp = que_node_get_next(arg); - - if (opt_check_exp_determined_before(exp, sel_node, - nth_table)) { - *op = search_cond->func; - - return(exp); - } - } - } - - exp = search_cond->args; - arg = que_node_get_next(arg); - - if (que_node_get_type(arg) == QUE_NODE_SYMBOL) { - sym_node = arg; - - if ((sym_node->token_type == SYM_COLUMN) - && (sym_node->table == table) - && (sym_node->col_no == col_no)) { - - if (opt_check_exp_determined_before(exp, sel_node, - nth_table)) { - *op = opt_invert_cmp_op(search_cond->func); - - return(exp); - } - } - } - - return(NULL); -} - -/*******************************************************************//** -Looks in a search condition if a column value is already restricted by the -search condition BEFORE the nth table is accessed. Takes into account that -if we will fetch in an ascending order, we cannot utilize an upper limit for -a column value; in a descending order, respectively, a lower limit. -@return expression restricting the value of the column, or NULL if not known */ -static -que_node_t* -opt_look_for_col_in_cond_before( -/*============================*/ - ulint cmp_type, /*!< in: OPT_EQUAL, OPT_COMPARISON */ - ulint col_no, /*!< in: column number */ - func_node_t* search_cond, /*!< in: search condition or NULL */ - sel_node_t* sel_node, /*!< in: select node */ - ulint nth_table, /*!< in: nth table in a join (a query - from a single table is considered a - join of 1 table) */ - ulint* op) /*!< out: comparison operator ('=', - PARS_GE_TOKEN, ... ) */ -{ - func_node_t* new_cond; - que_node_t* exp; - - if (search_cond == NULL) { - - return(NULL); - } - - ut_a(que_node_get_type(search_cond) == QUE_NODE_FUNC); - ut_a(search_cond->func != PARS_OR_TOKEN); - ut_a(search_cond->func != PARS_NOT_TOKEN); - - if (search_cond->func == PARS_AND_TOKEN) { - new_cond = search_cond->args; - - exp = opt_look_for_col_in_cond_before(cmp_type, col_no, - new_cond, sel_node, - nth_table, op); - if (exp) { - - return(exp); - } - - new_cond = que_node_get_next(new_cond); - - exp = opt_look_for_col_in_cond_before(cmp_type, col_no, - new_cond, sel_node, - nth_table, op); - return(exp); - } - - exp = opt_look_for_col_in_comparison_before(cmp_type, col_no, - search_cond, sel_node, - nth_table, op); - if (exp == NULL) { - - return(NULL); - } - - /* If we will fetch in an ascending order, we cannot utilize an upper - limit for a column value; in a descending order, respectively, a lower - limit */ - - if (sel_node->asc && ((*op == '<') || (*op == PARS_LE_TOKEN))) { - - return(NULL); - - } else if (!sel_node->asc - && ((*op == '>') || (*op == PARS_GE_TOKEN))) { - - return(NULL); - } - - return(exp); -} - -/*******************************************************************//** -Calculates the goodness for an index according to a select node. The -goodness is 4 times the number of first fields in index whose values we -already know exactly in the query. If we have a comparison condition for -an additional field, 2 point are added. If the index is unique, and we know -all the unique fields for the index we add 1024 points. For a clustered index -we add 1 point. -@return goodness */ -static -ulint -opt_calc_index_goodness( -/*====================*/ - dict_index_t* index, /*!< in: index */ - sel_node_t* sel_node, /*!< in: parsed select node */ - ulint nth_table, /*!< in: nth table in a join */ - que_node_t** index_plan, /*!< in/out: comparison expressions for - this index */ - ulint* last_op) /*!< out: last comparison operator, if - goodness > 1 */ -{ - que_node_t* exp; - ulint goodness; - ulint n_fields; - ulint col_no; - ulint op; - ulint j; - - goodness = 0; - - /* Note that as higher level node pointers in the B-tree contain - page addresses as the last field, we must not put more fields in - the search tuple than dict_index_get_n_unique_in_tree(index); see - the note in btr_cur_search_to_nth_level. */ - - n_fields = dict_index_get_n_unique_in_tree(index); - - for (j = 0; j < n_fields; j++) { - - col_no = dict_index_get_nth_col_no(index, j); - - exp = opt_look_for_col_in_cond_before( - OPT_EQUAL, col_no, sel_node->search_cond, - sel_node, nth_table, &op); - if (exp) { - /* The value for this column is exactly known already - at this stage of the join */ - - index_plan[j] = exp; - *last_op = op; - goodness += 4; - } else { - /* Look for non-equality comparisons */ - - exp = opt_look_for_col_in_cond_before( - OPT_COMPARISON, col_no, sel_node->search_cond, - sel_node, nth_table, &op); - if (exp) { - index_plan[j] = exp; - *last_op = op; - goodness += 2; - } - - break; - } - } - - if (goodness >= 4 * dict_index_get_n_unique(index)) { - goodness += 1024; - - if (dict_index_is_clust(index)) { - - goodness += 1024; - } - } - - /* We have to test for goodness here, as last_op may note be set */ - if (goodness && dict_index_is_clust(index)) { - - goodness++; - } - - return(goodness); -} - -/*******************************************************************//** -Calculates the number of matched fields based on an index goodness. -@return number of excatly or partially matched fields */ -UNIV_INLINE -ulint -opt_calc_n_fields_from_goodness( -/*============================*/ - ulint goodness) /*!< in: goodness */ -{ - return(((goodness % 1024) + 2) / 4); -} - -/*******************************************************************//** -Converts a comparison operator to the corresponding search mode PAGE_CUR_GE, -... -@return search mode */ -UNIV_INLINE -ulint -opt_op_to_search_mode( -/*==================*/ - ibool asc, /*!< in: TRUE if the rows should be fetched in an - ascending order */ - ulint op) /*!< in: operator '=', PARS_GE_TOKEN, ... */ -{ - if (op == '=') { - if (asc) { - return(PAGE_CUR_GE); - } else { - return(PAGE_CUR_LE); - } - } else if (op == '<') { - ut_a(!asc); - return(PAGE_CUR_L); - } else if (op == '>') { - ut_a(asc); - return(PAGE_CUR_G); - } else if (op == PARS_GE_TOKEN) { - ut_a(asc); - return(PAGE_CUR_GE); - } else if (op == PARS_LE_TOKEN) { - ut_a(!asc); - return(PAGE_CUR_LE); - } else { - ut_error; - } - - return(0); -} - -/*******************************************************************//** -Determines if a node is an argument node of a function node. -@return TRUE if is an argument */ -static -ibool -opt_is_arg( -/*=======*/ - que_node_t* arg_node, /*!< in: possible argument node */ - func_node_t* func_node) /*!< in: function node */ -{ - que_node_t* arg; - - arg = func_node->args; - - while (arg) { - if (arg == arg_node) { - - return(TRUE); - } - - arg = que_node_get_next(arg); - } - - return(FALSE); -} - -/*******************************************************************//** -Decides if the fetching of rows should be made in a descending order, and -also checks that the chosen query plan produces a result which satisfies -the order-by. */ -static -void -opt_check_order_by( -/*===============*/ - sel_node_t* sel_node) /*!< in: select node; asserts an error - if the plan does not agree with the - order-by */ -{ - order_node_t* order_node; - dict_table_t* order_table; - ulint order_col_no; - plan_t* plan; - ulint i; - - if (!sel_node->order_by) { - - return; - } - - order_node = sel_node->order_by; - order_col_no = order_node->column->col_no; - order_table = order_node->column->table; - - /* If there is an order-by clause, the first non-exactly matched field - in the index used for the last table in the table list should be the - column defined in the order-by clause, and for all the other tables - we should get only at most a single row, otherwise we cannot presently - calculate the order-by, as we have no sort utility */ - - for (i = 0; i < sel_node->n_tables; i++) { - - plan = sel_node_get_nth_plan(sel_node, i); - - if (i < sel_node->n_tables - 1) { - ut_a(dict_index_get_n_unique(plan->index) - <= plan->n_exact_match); - } else { - ut_a(plan->table == order_table); - - ut_a((dict_index_get_n_unique(plan->index) - <= plan->n_exact_match) - || (dict_index_get_nth_col_no(plan->index, - plan->n_exact_match) - == order_col_no)); - } - } -} - -/*******************************************************************//** -Optimizes a select. Decides which indexes to tables to use. The tables -are accessed in the order that they were written to the FROM part in the -select statement. */ -static -void -opt_search_plan_for_table( -/*======================*/ - sel_node_t* sel_node, /*!< in: parsed select node */ - ulint i, /*!< in: this is the ith table */ - dict_table_t* table) /*!< in: table */ -{ - plan_t* plan; - dict_index_t* index; - dict_index_t* best_index; - ulint n_fields; - ulint goodness; - ulint last_op = 75946965; /* Eliminate a Purify - warning */ - ulint best_goodness; - ulint best_last_op = 0; /* remove warning */ - que_node_t* index_plan[256]; - que_node_t* best_index_plan[256]; - - plan = sel_node_get_nth_plan(sel_node, i); - - plan->table = table; - plan->asc = sel_node->asc; - plan->pcur_is_open = FALSE; - plan->cursor_at_end = FALSE; - - /* Calculate goodness for each index of the table */ - - index = dict_table_get_first_index(table); - best_index = index; /* Eliminate compiler warning */ - best_goodness = 0; - - /* should be do ... until ? comment by Jani */ - while (index) { - goodness = opt_calc_index_goodness(index, sel_node, i, - index_plan, &last_op); - if (goodness > best_goodness) { - - best_index = index; - best_goodness = goodness; - n_fields = opt_calc_n_fields_from_goodness(goodness); - - ut_memcpy(best_index_plan, index_plan, - n_fields * sizeof(void*)); - best_last_op = last_op; - } - - index = dict_table_get_next_index(index); - } - - plan->index = best_index; - - n_fields = opt_calc_n_fields_from_goodness(best_goodness); - - if (n_fields == 0) { - plan->tuple = NULL; - plan->n_exact_match = 0; - } else { - plan->tuple = dtuple_create(pars_sym_tab_global->heap, - n_fields); - dict_index_copy_types(plan->tuple, plan->index, n_fields); - - plan->tuple_exps = mem_heap_alloc(pars_sym_tab_global->heap, - n_fields * sizeof(void*)); - - ut_memcpy(plan->tuple_exps, best_index_plan, - n_fields * sizeof(void*)); - if (best_last_op == '=') { - plan->n_exact_match = n_fields; - } else { - plan->n_exact_match = n_fields - 1; - } - - plan->mode = opt_op_to_search_mode(sel_node->asc, - best_last_op); - } - - if (dict_index_is_clust(best_index) - && (plan->n_exact_match >= dict_index_get_n_unique(best_index))) { - - plan->unique_search = TRUE; - } else { - plan->unique_search = FALSE; - } - - plan->old_vers_heap = NULL; - - btr_pcur_init(&(plan->pcur)); - btr_pcur_init(&(plan->clust_pcur)); -} - -/*******************************************************************//** -Looks at a comparison condition and decides if it can, and need, be tested for -a table AFTER the table has been accessed. -@return OPT_NOT_COND if not for this table, else OPT_END_COND, -OPT_TEST_COND, or OPT_SCROLL_COND, where the last means that the -condition need not be tested, except when scroll cursors are used */ -static -ulint -opt_classify_comparison( -/*====================*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint i, /*!< in: ith table in the join */ - func_node_t* cond) /*!< in: comparison condition */ -{ - plan_t* plan; - ulint n_fields; - ulint op; - ulint j; - - ut_ad(cond && sel_node); - - plan = sel_node_get_nth_plan(sel_node, i); - - /* Check if the condition is determined after the ith table has been - accessed, but not after the i - 1:th */ - - if (!opt_check_exp_determined_before(cond, sel_node, i + 1)) { - - return(OPT_NOT_COND); - } - - if ((i > 0) && opt_check_exp_determined_before(cond, sel_node, i)) { - - return(OPT_NOT_COND); - } - - /* If the condition is an exact match condition used in constructing - the search tuple, it is classified as OPT_END_COND */ - - if (plan->tuple) { - n_fields = dtuple_get_n_fields(plan->tuple); - } else { - n_fields = 0; - } - - for (j = 0; j < plan->n_exact_match; j++) { - - if (opt_is_arg(plan->tuple_exps[j], cond)) { - - return(OPT_END_COND); - } - } - - /* If the condition is an non-exact match condition used in - constructing the search tuple, it is classified as OPT_SCROLL_COND. - When the cursor is positioned, and if a non-scroll cursor is used, - there is no need to test this condition; if a scroll cursor is used - the testing is necessary when the cursor is reversed. */ - - if ((n_fields > plan->n_exact_match) - && opt_is_arg(plan->tuple_exps[n_fields - 1], cond)) { - - return(OPT_SCROLL_COND); - } - - /* If the condition is a non-exact match condition on the first field - in index for which there is no exact match, and it limits the search - range from the opposite side of the search tuple already BEFORE we - access the table, it is classified as OPT_END_COND */ - - if ((dict_index_get_n_fields(plan->index) > plan->n_exact_match) - && opt_look_for_col_in_comparison_before( - OPT_COMPARISON, - dict_index_get_nth_col_no(plan->index, - plan->n_exact_match), - cond, sel_node, i, &op)) { - - if (sel_node->asc && ((op == '<') || (op == PARS_LE_TOKEN))) { - - return(OPT_END_COND); - } - - if (!sel_node->asc && ((op == '>') || (op == PARS_GE_TOKEN))) { - - return(OPT_END_COND); - } - } - - /* Otherwise, cond is classified as OPT_TEST_COND */ - - return(OPT_TEST_COND); -} - -/*******************************************************************//** -Recursively looks for test conditions for a table in a join. */ -static -void -opt_find_test_conds( -/*================*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint i, /*!< in: ith table in the join */ - func_node_t* cond) /*!< in: conjunction of search - conditions or NULL */ -{ - func_node_t* new_cond; - ulint class; - plan_t* plan; - - if (cond == NULL) { - - return; - } - - if (cond->func == PARS_AND_TOKEN) { - new_cond = cond->args; - - opt_find_test_conds(sel_node, i, new_cond); - - new_cond = que_node_get_next(new_cond); - - opt_find_test_conds(sel_node, i, new_cond); - - return; - } - - plan = sel_node_get_nth_plan(sel_node, i); - - class = opt_classify_comparison(sel_node, i, cond); - - if (class == OPT_END_COND) { - UT_LIST_ADD_LAST(cond_list, plan->end_conds, cond); - - } else if (class == OPT_TEST_COND) { - UT_LIST_ADD_LAST(cond_list, plan->other_conds, cond); - - } -} - -/*******************************************************************//** -Normalizes a list of comparison conditions so that a column of the table -appears on the left side of the comparison if possible. This is accomplished -by switching the arguments of the operator. */ -static -void -opt_normalize_cmp_conds( -/*====================*/ - func_node_t* cond, /*!< in: first in a list of comparison - conditions, or NULL */ - dict_table_t* table) /*!< in: table */ -{ - que_node_t* arg1; - que_node_t* arg2; - sym_node_t* sym_node; - - while (cond) { - arg1 = cond->args; - arg2 = que_node_get_next(arg1); - - if (que_node_get_type(arg2) == QUE_NODE_SYMBOL) { - - sym_node = arg2; - - if ((sym_node->token_type == SYM_COLUMN) - && (sym_node->table == table)) { - - /* Switch the order of the arguments */ - - cond->args = arg2; - que_node_list_add_last(NULL, arg2); - que_node_list_add_last(arg2, arg1); - - /* Invert the operator */ - cond->func = opt_invert_cmp_op(cond->func); - } - } - - cond = UT_LIST_GET_NEXT(cond_list, cond); - } -} - -/*******************************************************************//** -Finds out the search condition conjuncts we can, and need, to test as the ith -table in a join is accessed. The search tuple can eliminate the need to test -some conjuncts. */ -static -void -opt_determine_and_normalize_test_conds( -/*===================================*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint i) /*!< in: ith table in the join */ -{ - plan_t* plan; - - plan = sel_node_get_nth_plan(sel_node, i); - - UT_LIST_INIT(plan->end_conds); - UT_LIST_INIT(plan->other_conds); - - /* Recursively go through the conjuncts and classify them */ - - opt_find_test_conds(sel_node, i, sel_node->search_cond); - - opt_normalize_cmp_conds(UT_LIST_GET_FIRST(plan->end_conds), - plan->table); - - ut_a(UT_LIST_GET_LEN(plan->end_conds) >= plan->n_exact_match); -} - -/*******************************************************************//** -Looks for occurrences of the columns of the table in the query subgraph and -adds them to the list of columns if an occurrence of the same column does not -already exist in the list. If the column is already in the list, puts a value -indirection to point to the occurrence in the column list, except if the -column occurrence we are looking at is in the column list, in which case -nothing is done. */ -UNIV_INTERN -void -opt_find_all_cols( -/*==============*/ - ibool copy_val, /*!< in: if TRUE, new found columns are - added as columns to copy */ - dict_index_t* index, /*!< in: index of the table to use */ - sym_node_list_t* col_list, /*!< in: base node of a list where - to add new found columns */ - plan_t* plan, /*!< in: plan or NULL */ - que_node_t* exp) /*!< in: expression or condition or - NULL */ -{ - func_node_t* func_node; - que_node_t* arg; - sym_node_t* sym_node; - sym_node_t* col_node; - ulint col_pos; - - if (exp == NULL) { - - return; - } - - if (que_node_get_type(exp) == QUE_NODE_FUNC) { - func_node = exp; - - arg = func_node->args; - - while (arg) { - opt_find_all_cols(copy_val, index, col_list, plan, - arg); - arg = que_node_get_next(arg); - } - - return; - } - - ut_a(que_node_get_type(exp) == QUE_NODE_SYMBOL); - - sym_node = exp; - - if (sym_node->token_type != SYM_COLUMN) { - - return; - } - - if (sym_node->table != index->table) { - - return; - } - - /* Look for an occurrence of the same column in the plan column - list */ - - col_node = UT_LIST_GET_FIRST(*col_list); - - while (col_node) { - if (col_node->col_no == sym_node->col_no) { - - if (col_node == sym_node) { - /* sym_node was already in a list: do - nothing */ - - return; - } - - /* Put an indirection */ - sym_node->indirection = col_node; - sym_node->alias = col_node; - - return; - } - - col_node = UT_LIST_GET_NEXT(col_var_list, col_node); - } - - /* The same column did not occur in the list: add it */ - - UT_LIST_ADD_LAST(col_var_list, *col_list, sym_node); - - sym_node->copy_val = copy_val; - - /* Fill in the field_no fields in sym_node */ - - sym_node->field_nos[SYM_CLUST_FIELD_NO] = dict_index_get_nth_col_pos( - dict_table_get_first_index(index->table), sym_node->col_no); - if (!dict_index_is_clust(index)) { - - ut_a(plan); - - col_pos = dict_index_get_nth_col_pos(index, sym_node->col_no); - - if (col_pos == ULINT_UNDEFINED) { - - plan->must_get_clust = TRUE; - } - - sym_node->field_nos[SYM_SEC_FIELD_NO] = col_pos; - } -} - -/*******************************************************************//** -Looks for occurrences of the columns of the table in conditions which are -not yet determined AFTER the join operation has fetched a row in the ith -table. The values for these column must be copied to dynamic memory for -later use. */ -static -void -opt_find_copy_cols( -/*===============*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint i, /*!< in: ith table in the join */ - func_node_t* search_cond) /*!< in: search condition or NULL */ -{ - func_node_t* new_cond; - plan_t* plan; - - if (search_cond == NULL) { - - return; - } - - ut_ad(que_node_get_type(search_cond) == QUE_NODE_FUNC); - - if (search_cond->func == PARS_AND_TOKEN) { - new_cond = search_cond->args; - - opt_find_copy_cols(sel_node, i, new_cond); - - new_cond = que_node_get_next(new_cond); - - opt_find_copy_cols(sel_node, i, new_cond); - - return; - } - - if (!opt_check_exp_determined_before(search_cond, sel_node, i + 1)) { - - /* Any ith table columns occurring in search_cond should be - copied, as this condition cannot be tested already on the - fetch from the ith table */ - - plan = sel_node_get_nth_plan(sel_node, i); - - opt_find_all_cols(TRUE, plan->index, &(plan->columns), plan, - search_cond); - } -} - -/*******************************************************************//** -Classifies the table columns according to whether we use the column only while -holding the latch on the page, or whether we have to copy the column value to -dynamic memory. Puts the first occurrence of a column to either list in the -plan node, and puts indirections to later occurrences of the column. */ -static -void -opt_classify_cols( -/*==============*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint i) /*!< in: ith table in the join */ -{ - plan_t* plan; - que_node_t* exp; - - plan = sel_node_get_nth_plan(sel_node, i); - - /* The final value of the following field will depend on the - environment of the select statement: */ - - plan->must_get_clust = FALSE; - - UT_LIST_INIT(plan->columns); - - /* All select list columns should be copied: therefore TRUE as the - first argument */ - - exp = sel_node->select_list; - - while (exp) { - opt_find_all_cols(TRUE, plan->index, &(plan->columns), plan, - exp); - exp = que_node_get_next(exp); - } - - opt_find_copy_cols(sel_node, i, sel_node->search_cond); - - /* All remaining columns in the search condition are temporary - columns: therefore FALSE */ - - opt_find_all_cols(FALSE, plan->index, &(plan->columns), plan, - sel_node->search_cond); -} - -/*******************************************************************//** -Fills in the info in plan which is used in accessing a clustered index -record. The columns must already be classified for the plan node. */ -static -void -opt_clust_access( -/*=============*/ - sel_node_t* sel_node, /*!< in: select node */ - ulint n) /*!< in: nth table in select */ -{ - plan_t* plan; - dict_table_t* table; - dict_index_t* clust_index; - dict_index_t* index; - mem_heap_t* heap; - ulint n_fields; - ulint pos; - ulint i; - - plan = sel_node_get_nth_plan(sel_node, n); - - index = plan->index; - - /* The final value of the following field depends on the environment - of the select statement: */ - - plan->no_prefetch = FALSE; - - if (dict_index_is_clust(index)) { - plan->clust_map = NULL; - plan->clust_ref = NULL; - - return; - } - - table = index->table; - - clust_index = dict_table_get_first_index(table); - - n_fields = dict_index_get_n_unique(clust_index); - - heap = pars_sym_tab_global->heap; - - plan->clust_ref = dtuple_create(heap, n_fields); - - dict_index_copy_types(plan->clust_ref, clust_index, n_fields); - - plan->clust_map = mem_heap_alloc(heap, n_fields * sizeof(ulint)); - - for (i = 0; i < n_fields; i++) { - pos = dict_index_get_nth_field_pos(index, clust_index, i); - - ut_a(pos != ULINT_UNDEFINED); - - /* We optimize here only queries to InnoDB's internal system - tables, and they should not contain column prefix indexes. */ - - if (dict_index_get_nth_field(index, pos)->prefix_len != 0 - || dict_index_get_nth_field(clust_index, i) - ->prefix_len != 0) { - fprintf(stderr, - "InnoDB: Error in pars0opt.c:" - " table %s has prefix_len != 0\n", - index->table_name); - } - - *(plan->clust_map + i) = pos; - - ut_ad(pos != ULINT_UNDEFINED); - } -} - -/*******************************************************************//** -Optimizes a select. Decides which indexes to tables to use. The tables -are accessed in the order that they were written to the FROM part in the -select statement. */ -UNIV_INTERN -void -opt_search_plan( -/*============*/ - sel_node_t* sel_node) /*!< in: parsed select node */ -{ - sym_node_t* table_node; - dict_table_t* table; - order_node_t* order_by; - ulint i; - - sel_node->plans = mem_heap_alloc(pars_sym_tab_global->heap, - sel_node->n_tables * sizeof(plan_t)); - - /* Analyze the search condition to find out what we know at each - join stage about the conditions that the columns of a table should - satisfy */ - - table_node = sel_node->table_list; - - if (sel_node->order_by == NULL) { - sel_node->asc = TRUE; - } else { - order_by = sel_node->order_by; - - sel_node->asc = order_by->asc; - } - - for (i = 0; i < sel_node->n_tables; i++) { - - table = table_node->table; - - /* Choose index through which to access the table */ - - opt_search_plan_for_table(sel_node, i, table); - - /* Determine the search condition conjuncts we can test at - this table; normalize the end conditions */ - - opt_determine_and_normalize_test_conds(sel_node, i); - - table_node = que_node_get_next(table_node); - } - - table_node = sel_node->table_list; - - for (i = 0; i < sel_node->n_tables; i++) { - - /* Classify the table columns into those we only need to access - but not copy, and to those we must copy to dynamic memory */ - - opt_classify_cols(sel_node, i); - - /* Calculate possible info for accessing the clustered index - record */ - - opt_clust_access(sel_node, i); - - table_node = que_node_get_next(table_node); - } - - /* Check that the plan obeys a possible order-by clause: if not, - an assertion error occurs */ - - opt_check_order_by(sel_node); - -#ifdef UNIV_SQL_DEBUG - opt_print_query_plan(sel_node); -#endif -} - -/********************************************************************//** -Prints info of a query plan. */ -UNIV_INTERN -void -opt_print_query_plan( -/*=================*/ - sel_node_t* sel_node) /*!< in: select node */ -{ - plan_t* plan; - ulint n_fields; - ulint i; - - fputs("QUERY PLAN FOR A SELECT NODE\n", stderr); - - fputs(sel_node->asc ? "Asc. search; " : "Desc. search; ", stderr); - - if (sel_node->set_x_locks) { - fputs("sets row x-locks; ", stderr); - ut_a(sel_node->row_lock_mode == LOCK_X); - ut_a(!sel_node->consistent_read); - } else if (sel_node->consistent_read) { - fputs("consistent read; ", stderr); - } else { - ut_a(sel_node->row_lock_mode == LOCK_S); - fputs("sets row s-locks; ", stderr); - } - - putc('\n', stderr); - - for (i = 0; i < sel_node->n_tables; i++) { - plan = sel_node_get_nth_plan(sel_node, i); - - if (plan->tuple) { - n_fields = dtuple_get_n_fields(plan->tuple); - } else { - n_fields = 0; - } - - fputs("Table ", stderr); - dict_index_name_print(stderr, NULL, plan->index); - fprintf(stderr,"; exact m. %lu, match %lu, end conds %lu\n", - (unsigned long) plan->n_exact_match, - (unsigned long) n_fields, - (unsigned long) UT_LIST_GET_LEN(plan->end_conds)); - } -} diff --git a/perfschema/pars/pars0pars.c b/perfschema/pars/pars0pars.c deleted file mode 100644 index 9faf36d00a8..00000000000 --- a/perfschema/pars/pars0pars.c +++ /dev/null @@ -1,2196 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file pars/pars0pars.c -SQL parser - -Created 11/19/1996 Heikki Tuuri -*******************************************************/ - -/* Historical note: Innobase executed its first SQL string (CREATE TABLE) -on 1/27/1998 */ - -#include "pars0pars.h" - -#ifdef UNIV_NONINL -#include "pars0pars.ic" -#endif - -#include "row0sel.h" -#include "row0ins.h" -#include "row0upd.h" -#include "dict0dict.h" -#include "dict0mem.h" -#include "dict0crea.h" -#include "que0que.h" -#include "pars0grm.h" -#include "pars0opt.h" -#include "data0data.h" -#include "data0type.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "lock0lock.h" -#include "eval0eval.h" - -#ifdef UNIV_SQL_DEBUG -/** If the following is set TRUE, the lexer will print the SQL string -as it tokenizes it */ -UNIV_INTERN ibool pars_print_lexed = FALSE; -#endif /* UNIV_SQL_DEBUG */ - -/* Global variable used while parsing a single procedure or query : the code is -NOT re-entrant */ -UNIV_INTERN sym_tab_t* pars_sym_tab_global; - -/* Global variables used to denote certain reserved words, used in -constructing the parsing tree */ - -UNIV_INTERN pars_res_word_t pars_to_char_token = {PARS_TO_CHAR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_to_number_token = {PARS_TO_NUMBER_TOKEN}; -UNIV_INTERN pars_res_word_t pars_to_binary_token = {PARS_TO_BINARY_TOKEN}; -UNIV_INTERN pars_res_word_t pars_binary_to_number_token = {PARS_BINARY_TO_NUMBER_TOKEN}; -UNIV_INTERN pars_res_word_t pars_substr_token = {PARS_SUBSTR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_replstr_token = {PARS_REPLSTR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_concat_token = {PARS_CONCAT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_instr_token = {PARS_INSTR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_length_token = {PARS_LENGTH_TOKEN}; -UNIV_INTERN pars_res_word_t pars_sysdate_token = {PARS_SYSDATE_TOKEN}; -UNIV_INTERN pars_res_word_t pars_printf_token = {PARS_PRINTF_TOKEN}; -UNIV_INTERN pars_res_word_t pars_assert_token = {PARS_ASSERT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_rnd_token = {PARS_RND_TOKEN}; -UNIV_INTERN pars_res_word_t pars_rnd_str_token = {PARS_RND_STR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_count_token = {PARS_COUNT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_sum_token = {PARS_SUM_TOKEN}; -UNIV_INTERN pars_res_word_t pars_distinct_token = {PARS_DISTINCT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_binary_token = {PARS_BINARY_TOKEN}; -UNIV_INTERN pars_res_word_t pars_blob_token = {PARS_BLOB_TOKEN}; -UNIV_INTERN pars_res_word_t pars_int_token = {PARS_INT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_char_token = {PARS_CHAR_TOKEN}; -UNIV_INTERN pars_res_word_t pars_float_token = {PARS_FLOAT_TOKEN}; -UNIV_INTERN pars_res_word_t pars_update_token = {PARS_UPDATE_TOKEN}; -UNIV_INTERN pars_res_word_t pars_asc_token = {PARS_ASC_TOKEN}; -UNIV_INTERN pars_res_word_t pars_desc_token = {PARS_DESC_TOKEN}; -UNIV_INTERN pars_res_word_t pars_open_token = {PARS_OPEN_TOKEN}; -UNIV_INTERN pars_res_word_t pars_close_token = {PARS_CLOSE_TOKEN}; -UNIV_INTERN pars_res_word_t pars_share_token = {PARS_SHARE_TOKEN}; -UNIV_INTERN pars_res_word_t pars_unique_token = {PARS_UNIQUE_TOKEN}; -UNIV_INTERN pars_res_word_t pars_clustered_token = {PARS_CLUSTERED_TOKEN}; - -/** Global variable used to denote the '*' in SELECT * FROM.. */ -UNIV_INTERN ulint pars_star_denoter = 12345678; - - -/*********************************************************************//** -Determines the class of a function code. -@return function class: PARS_FUNC_ARITH, ... */ -static -ulint -pars_func_get_class( -/*================*/ - int func) /*!< in: function code: '=', PARS_GE_TOKEN, ... */ -{ - switch (func) { - case '+': case '-': case '*': case '/': - return(PARS_FUNC_ARITH); - - case '=': case '<': case '>': - case PARS_GE_TOKEN: case PARS_LE_TOKEN: case PARS_NE_TOKEN: - return(PARS_FUNC_CMP); - - case PARS_AND_TOKEN: case PARS_OR_TOKEN: case PARS_NOT_TOKEN: - return(PARS_FUNC_LOGICAL); - - case PARS_COUNT_TOKEN: case PARS_SUM_TOKEN: - return(PARS_FUNC_AGGREGATE); - - case PARS_TO_CHAR_TOKEN: - case PARS_TO_NUMBER_TOKEN: - case PARS_TO_BINARY_TOKEN: - case PARS_BINARY_TO_NUMBER_TOKEN: - case PARS_SUBSTR_TOKEN: - case PARS_CONCAT_TOKEN: - case PARS_LENGTH_TOKEN: - case PARS_INSTR_TOKEN: - case PARS_SYSDATE_TOKEN: - case PARS_NOTFOUND_TOKEN: - case PARS_PRINTF_TOKEN: - case PARS_ASSERT_TOKEN: - case PARS_RND_TOKEN: - case PARS_RND_STR_TOKEN: - case PARS_REPLSTR_TOKEN: - return(PARS_FUNC_PREDEFINED); - - default: - return(PARS_FUNC_OTHER); - } -} - -/*********************************************************************//** -Parses an operator or predefined function expression. -@return own: function node in a query tree */ -static -func_node_t* -pars_func_low( -/*==========*/ - int func, /*!< in: function token code */ - que_node_t* arg) /*!< in: first argument in the argument list */ -{ - func_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(func_node_t)); - - node->common.type = QUE_NODE_FUNC; - dfield_set_data(&(node->common.val), NULL, 0); - node->common.val_buf_size = 0; - - node->func = func; - - node->class = pars_func_get_class(func); - - node->args = arg; - - UT_LIST_ADD_LAST(func_node_list, pars_sym_tab_global->func_node_list, - node); - return(node); -} - -/*********************************************************************//** -Parses a function expression. -@return own: function node in a query tree */ -UNIV_INTERN -func_node_t* -pars_func( -/*======*/ - que_node_t* res_word,/*!< in: function name reserved word */ - que_node_t* arg) /*!< in: first argument in the argument list */ -{ - return(pars_func_low(((pars_res_word_t*)res_word)->code, arg)); -} - -/*********************************************************************//** -Parses an operator expression. -@return own: function node in a query tree */ -UNIV_INTERN -func_node_t* -pars_op( -/*====*/ - int func, /*!< in: operator token code */ - que_node_t* arg1, /*!< in: first argument */ - que_node_t* arg2) /*!< in: second argument or NULL for an unary - operator */ -{ - que_node_list_add_last(NULL, arg1); - - if (arg2) { - que_node_list_add_last(arg1, arg2); - } - - return(pars_func_low(func, arg1)); -} - -/*********************************************************************//** -Parses an ORDER BY clause. Order by a single column only is supported. -@return own: order-by node in a query tree */ -UNIV_INTERN -order_node_t* -pars_order_by( -/*==========*/ - sym_node_t* column, /*!< in: column name */ - pars_res_word_t* asc) /*!< in: &pars_asc_token or pars_desc_token */ -{ - order_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(order_node_t)); - - node->common.type = QUE_NODE_ORDER; - - node->column = column; - - if (asc == &pars_asc_token) { - node->asc = TRUE; - } else { - ut_a(asc == &pars_desc_token); - node->asc = FALSE; - } - - return(node); -} - -/*********************************************************************//** -Determine if a data type is a built-in string data type of the InnoDB -SQL parser. -@return TRUE if string data type */ -static -ibool -pars_is_string_type( -/*================*/ - ulint mtype) /*!< in: main data type */ -{ - switch (mtype) { - case DATA_VARCHAR: case DATA_CHAR: - case DATA_FIXBINARY: case DATA_BINARY: - return(TRUE); - } - - return(FALSE); -} - -/*********************************************************************//** -Resolves the data type of a function in an expression. The argument data -types must already be resolved. */ -static -void -pars_resolve_func_data_type( -/*========================*/ - func_node_t* node) /*!< in: function node */ -{ - que_node_t* arg; - - ut_a(que_node_get_type(node) == QUE_NODE_FUNC); - - arg = node->args; - - switch (node->func) { - case PARS_SUM_TOKEN: - case '+': case '-': case '*': case '/': - /* Inherit the data type from the first argument (which must - not be the SQL null literal whose type is DATA_ERROR) */ - - dtype_copy(que_node_get_data_type(node), - que_node_get_data_type(arg)); - - ut_a(dtype_get_mtype(que_node_get_data_type(node)) - == DATA_INT); - break; - - case PARS_COUNT_TOKEN: - ut_a(arg); - dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); - break; - - case PARS_TO_CHAR_TOKEN: - case PARS_RND_STR_TOKEN: - ut_a(dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT); - dtype_set(que_node_get_data_type(node), DATA_VARCHAR, - DATA_ENGLISH, 0); - break; - - case PARS_TO_BINARY_TOKEN: - if (dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT) { - dtype_set(que_node_get_data_type(node), DATA_VARCHAR, - DATA_ENGLISH, 0); - } else { - dtype_set(que_node_get_data_type(node), DATA_BINARY, - 0, 0); - } - break; - - case PARS_TO_NUMBER_TOKEN: - case PARS_BINARY_TO_NUMBER_TOKEN: - case PARS_LENGTH_TOKEN: - case PARS_INSTR_TOKEN: - ut_a(pars_is_string_type(que_node_get_data_type(arg)->mtype)); - dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); - break; - - case PARS_SYSDATE_TOKEN: - ut_a(arg == NULL); - dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); - break; - - case PARS_SUBSTR_TOKEN: - case PARS_CONCAT_TOKEN: - ut_a(pars_is_string_type(que_node_get_data_type(arg)->mtype)); - dtype_set(que_node_get_data_type(node), DATA_VARCHAR, - DATA_ENGLISH, 0); - break; - - case '>': case '<': case '=': - case PARS_GE_TOKEN: - case PARS_LE_TOKEN: - case PARS_NE_TOKEN: - case PARS_AND_TOKEN: - case PARS_OR_TOKEN: - case PARS_NOT_TOKEN: - case PARS_NOTFOUND_TOKEN: - - /* We currently have no iboolean type: use integer type */ - dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); - break; - - case PARS_RND_TOKEN: - ut_a(dtype_get_mtype(que_node_get_data_type(arg)) == DATA_INT); - dtype_set(que_node_get_data_type(node), DATA_INT, 0, 4); - break; - - default: - ut_error; - } -} - -/*********************************************************************//** -Resolves the meaning of variables in an expression and the data types of -functions. It is an error if some identifier cannot be resolved here. */ -static -void -pars_resolve_exp_variables_and_types( -/*=================================*/ - sel_node_t* select_node, /*!< in: select node or NULL; if - this is not NULL then the variable - sym nodes are added to the - copy_variables list of select_node */ - que_node_t* exp_node) /*!< in: expression */ -{ - func_node_t* func_node; - que_node_t* arg; - sym_node_t* sym_node; - sym_node_t* node; - - ut_a(exp_node); - - if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { - func_node = exp_node; - - arg = func_node->args; - - while (arg) { - pars_resolve_exp_variables_and_types(select_node, arg); - - arg = que_node_get_next(arg); - } - - pars_resolve_func_data_type(func_node); - - return; - } - - ut_a(que_node_get_type(exp_node) == QUE_NODE_SYMBOL); - - sym_node = exp_node; - - if (sym_node->resolved) { - - return; - } - - /* Not resolved yet: look in the symbol table for a variable - or a cursor or a function with the same name */ - - node = UT_LIST_GET_FIRST(pars_sym_tab_global->sym_list); - - while (node) { - if (node->resolved - && ((node->token_type == SYM_VAR) - || (node->token_type == SYM_CURSOR) - || (node->token_type == SYM_FUNCTION)) - && node->name - && (sym_node->name_len == node->name_len) - && (ut_memcmp(sym_node->name, node->name, - node->name_len) == 0)) { - - /* Found a variable or a cursor declared with - the same name */ - - break; - } - - node = UT_LIST_GET_NEXT(sym_list, node); - } - - if (!node) { - fprintf(stderr, "PARSER ERROR: Unresolved identifier %s\n", - sym_node->name); - } - - ut_a(node); - - sym_node->resolved = TRUE; - sym_node->token_type = SYM_IMPLICIT_VAR; - sym_node->alias = node; - sym_node->indirection = node; - - if (select_node) { - UT_LIST_ADD_LAST(col_var_list, select_node->copy_variables, - sym_node); - } - - dfield_set_type(que_node_get_val(sym_node), - que_node_get_data_type(node)); -} - -/*********************************************************************//** -Resolves the meaning of variables in an expression list. It is an error if -some identifier cannot be resolved here. Resolves also the data types of -functions. */ -static -void -pars_resolve_exp_list_variables_and_types( -/*======================================*/ - sel_node_t* select_node, /*!< in: select node or NULL */ - que_node_t* exp_node) /*!< in: expression list first node, or - NULL */ -{ - while (exp_node) { - pars_resolve_exp_variables_and_types(select_node, exp_node); - - exp_node = que_node_get_next(exp_node); - } -} - -/*********************************************************************//** -Resolves the columns in an expression. */ -static -void -pars_resolve_exp_columns( -/*=====================*/ - sym_node_t* table_node, /*!< in: first node in a table list */ - que_node_t* exp_node) /*!< in: expression */ -{ - func_node_t* func_node; - que_node_t* arg; - sym_node_t* sym_node; - dict_table_t* table; - sym_node_t* t_node; - ulint n_cols; - ulint i; - - ut_a(exp_node); - - if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { - func_node = exp_node; - - arg = func_node->args; - - while (arg) { - pars_resolve_exp_columns(table_node, arg); - - arg = que_node_get_next(arg); - } - - return; - } - - ut_a(que_node_get_type(exp_node) == QUE_NODE_SYMBOL); - - sym_node = exp_node; - - if (sym_node->resolved) { - - return; - } - - /* Not resolved yet: look in the table list for a column with the - same name */ - - t_node = table_node; - - while (t_node) { - table = t_node->table; - - n_cols = dict_table_get_n_cols(table); - - for (i = 0; i < n_cols; i++) { - const dict_col_t* col - = dict_table_get_nth_col(table, i); - const char* col_name - = dict_table_get_col_name(table, i); - - if ((sym_node->name_len == ut_strlen(col_name)) - && (0 == ut_memcmp(sym_node->name, col_name, - sym_node->name_len))) { - /* Found */ - sym_node->resolved = TRUE; - sym_node->token_type = SYM_COLUMN; - sym_node->table = table; - sym_node->col_no = i; - sym_node->prefetch_buf = NULL; - - dict_col_copy_type( - col, - dfield_get_type(&sym_node - ->common.val)); - - return; - } - } - - t_node = que_node_get_next(t_node); - } -} - -/*********************************************************************//** -Resolves the meaning of columns in an expression list. */ -static -void -pars_resolve_exp_list_columns( -/*==========================*/ - sym_node_t* table_node, /*!< in: first node in a table list */ - que_node_t* exp_node) /*!< in: expression list first node, or - NULL */ -{ - while (exp_node) { - pars_resolve_exp_columns(table_node, exp_node); - - exp_node = que_node_get_next(exp_node); - } -} - -/*********************************************************************//** -Retrieves the table definition for a table name id. */ -static -void -pars_retrieve_table_def( -/*====================*/ - sym_node_t* sym_node) /*!< in: table node */ -{ - const char* table_name; - - ut_a(sym_node); - ut_a(que_node_get_type(sym_node) == QUE_NODE_SYMBOL); - - sym_node->resolved = TRUE; - sym_node->token_type = SYM_TABLE; - - table_name = (const char*) sym_node->name; - - sym_node->table = dict_table_get_low(table_name); - - ut_a(sym_node->table); -} - -/*********************************************************************//** -Retrieves the table definitions for a list of table name ids. -@return number of tables */ -static -ulint -pars_retrieve_table_list_defs( -/*==========================*/ - sym_node_t* sym_node) /*!< in: first table node in list */ -{ - ulint count = 0; - - if (sym_node == NULL) { - - return(count); - } - - while (sym_node) { - pars_retrieve_table_def(sym_node); - - count++; - - sym_node = que_node_get_next(sym_node); - } - - return(count); -} - -/*********************************************************************//** -Adds all columns to the select list if the query is SELECT * FROM ... */ -static -void -pars_select_all_columns( -/*====================*/ - sel_node_t* select_node) /*!< in: select node already containing - the table list */ -{ - sym_node_t* col_node; - sym_node_t* table_node; - dict_table_t* table; - ulint i; - - select_node->select_list = NULL; - - table_node = select_node->table_list; - - while (table_node) { - table = table_node->table; - - for (i = 0; i < dict_table_get_n_user_cols(table); i++) { - const char* col_name = dict_table_get_col_name( - table, i); - - col_node = sym_tab_add_id(pars_sym_tab_global, - (byte*)col_name, - ut_strlen(col_name)); - - select_node->select_list = que_node_list_add_last( - select_node->select_list, col_node); - } - - table_node = que_node_get_next(table_node); - } -} - -/*********************************************************************//** -Parses a select list; creates a query graph node for the whole SELECT -statement. -@return own: select node in a query tree */ -UNIV_INTERN -sel_node_t* -pars_select_list( -/*=============*/ - que_node_t* select_list, /*!< in: select list */ - sym_node_t* into_list) /*!< in: variables list or NULL */ -{ - sel_node_t* node; - - node = sel_node_create(pars_sym_tab_global->heap); - - node->select_list = select_list; - node->into_list = into_list; - - pars_resolve_exp_list_variables_and_types(NULL, into_list); - - return(node); -} - -/*********************************************************************//** -Checks if the query is an aggregate query, in which case the selct list must -contain only aggregate function items. */ -static -void -pars_check_aggregate( -/*=================*/ - sel_node_t* select_node) /*!< in: select node already containing - the select list */ -{ - que_node_t* exp_node; - func_node_t* func_node; - ulint n_nodes = 0; - ulint n_aggregate_nodes = 0; - - exp_node = select_node->select_list; - - while (exp_node) { - - n_nodes++; - - if (que_node_get_type(exp_node) == QUE_NODE_FUNC) { - - func_node = exp_node; - - if (func_node->class == PARS_FUNC_AGGREGATE) { - - n_aggregate_nodes++; - } - } - - exp_node = que_node_get_next(exp_node); - } - - if (n_aggregate_nodes > 0) { - ut_a(n_nodes == n_aggregate_nodes); - - select_node->is_aggregate = TRUE; - } else { - select_node->is_aggregate = FALSE; - } -} - -/*********************************************************************//** -Parses a select statement. -@return own: select node in a query tree */ -UNIV_INTERN -sel_node_t* -pars_select_statement( -/*==================*/ - sel_node_t* select_node, /*!< in: select node already containing - the select list */ - sym_node_t* table_list, /*!< in: table list */ - que_node_t* search_cond, /*!< in: search condition or NULL */ - pars_res_word_t* for_update, /*!< in: NULL or &pars_update_token */ - pars_res_word_t* lock_shared, /*!< in: NULL or &pars_share_token */ - order_node_t* order_by) /*!< in: NULL or an order-by node */ -{ - select_node->state = SEL_NODE_OPEN; - - select_node->table_list = table_list; - select_node->n_tables = pars_retrieve_table_list_defs(table_list); - - if (select_node->select_list == &pars_star_denoter) { - - /* SELECT * FROM ... */ - pars_select_all_columns(select_node); - } - - if (select_node->into_list) { - ut_a(que_node_list_get_len(select_node->into_list) - == que_node_list_get_len(select_node->select_list)); - } - - UT_LIST_INIT(select_node->copy_variables); - - pars_resolve_exp_list_columns(table_list, select_node->select_list); - pars_resolve_exp_list_variables_and_types(select_node, - select_node->select_list); - pars_check_aggregate(select_node); - - select_node->search_cond = search_cond; - - if (search_cond) { - pars_resolve_exp_columns(table_list, search_cond); - pars_resolve_exp_variables_and_types(select_node, search_cond); - } - - if (for_update) { - ut_a(!lock_shared); - - select_node->set_x_locks = TRUE; - select_node->row_lock_mode = LOCK_X; - - select_node->consistent_read = FALSE; - select_node->read_view = NULL; - } else if (lock_shared){ - select_node->set_x_locks = FALSE; - select_node->row_lock_mode = LOCK_S; - - select_node->consistent_read = FALSE; - select_node->read_view = NULL; - } else { - select_node->set_x_locks = FALSE; - select_node->row_lock_mode = LOCK_S; - - select_node->consistent_read = TRUE; - } - - select_node->order_by = order_by; - - if (order_by) { - pars_resolve_exp_columns(table_list, order_by->column); - } - - /* The final value of the following fields depend on the environment - where the select statement appears: */ - - select_node->can_get_updated = FALSE; - select_node->explicit_cursor = NULL; - - opt_search_plan(select_node); - - return(select_node); -} - -/*********************************************************************//** -Parses a cursor declaration. -@return sym_node */ -UNIV_INTERN -que_node_t* -pars_cursor_declaration( -/*====================*/ - sym_node_t* sym_node, /*!< in: cursor id node in the symbol - table */ - sel_node_t* select_node) /*!< in: select node */ -{ - sym_node->resolved = TRUE; - sym_node->token_type = SYM_CURSOR; - sym_node->cursor_def = select_node; - - select_node->state = SEL_NODE_CLOSED; - select_node->explicit_cursor = sym_node; - - return(sym_node); -} - -/*********************************************************************//** -Parses a function declaration. -@return sym_node */ -UNIV_INTERN -que_node_t* -pars_function_declaration( -/*======================*/ - sym_node_t* sym_node) /*!< in: function id node in the symbol - table */ -{ - sym_node->resolved = TRUE; - sym_node->token_type = SYM_FUNCTION; - - /* Check that the function exists. */ - ut_a(pars_info_get_user_func(pars_sym_tab_global->info, - sym_node->name)); - - return(sym_node); -} - -/*********************************************************************//** -Parses a delete or update statement start. -@return own: update node in a query tree */ -UNIV_INTERN -upd_node_t* -pars_update_statement_start( -/*========================*/ - ibool is_delete, /*!< in: TRUE if delete */ - sym_node_t* table_sym, /*!< in: table name node */ - col_assign_node_t* col_assign_list)/*!< in: column assignment list, NULL - if delete */ -{ - upd_node_t* node; - - node = upd_node_create(pars_sym_tab_global->heap); - - node->is_delete = is_delete; - - node->table_sym = table_sym; - node->col_assign_list = col_assign_list; - - return(node); -} - -/*********************************************************************//** -Parses a column assignment in an update. -@return column assignment node */ -UNIV_INTERN -col_assign_node_t* -pars_column_assignment( -/*===================*/ - sym_node_t* column, /*!< in: column to assign */ - que_node_t* exp) /*!< in: value to assign */ -{ - col_assign_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, - sizeof(col_assign_node_t)); - node->common.type = QUE_NODE_COL_ASSIGNMENT; - - node->col = column; - node->val = exp; - - return(node); -} - -/*********************************************************************//** -Processes an update node assignment list. */ -static -void -pars_process_assign_list( -/*=====================*/ - upd_node_t* node) /*!< in: update node */ -{ - col_assign_node_t* col_assign_list; - sym_node_t* table_sym; - col_assign_node_t* assign_node; - upd_field_t* upd_field; - dict_index_t* clust_index; - sym_node_t* col_sym; - ulint changes_ord_field; - ulint changes_field_size; - ulint n_assigns; - ulint i; - - table_sym = node->table_sym; - col_assign_list = node->col_assign_list; - clust_index = dict_table_get_first_index(node->table); - - assign_node = col_assign_list; - n_assigns = 0; - - while (assign_node) { - pars_resolve_exp_columns(table_sym, assign_node->col); - pars_resolve_exp_columns(table_sym, assign_node->val); - pars_resolve_exp_variables_and_types(NULL, assign_node->val); -#if 0 - ut_a(dtype_get_mtype( - dfield_get_type(que_node_get_val( - assign_node->col))) - == dtype_get_mtype( - dfield_get_type(que_node_get_val( - assign_node->val)))); -#endif - - /* Add to the update node all the columns found in assignment - values as columns to copy: therefore, TRUE */ - - opt_find_all_cols(TRUE, clust_index, &(node->columns), NULL, - assign_node->val); - n_assigns++; - - assign_node = que_node_get_next(assign_node); - } - - node->update = upd_create(n_assigns, pars_sym_tab_global->heap); - - assign_node = col_assign_list; - - changes_field_size = UPD_NODE_NO_SIZE_CHANGE; - - for (i = 0; i < n_assigns; i++) { - upd_field = upd_get_nth_field(node->update, i); - - col_sym = assign_node->col; - - upd_field_set_field_no(upd_field, dict_index_get_nth_col_pos( - clust_index, col_sym->col_no), - clust_index, NULL); - upd_field->exp = assign_node->val; - - if (!dict_col_get_fixed_size( - dict_index_get_nth_col(clust_index, - upd_field->field_no), - dict_table_is_comp(node->table))) { - changes_field_size = 0; - } - - assign_node = que_node_get_next(assign_node); - } - - /* Find out if the update can modify an ordering field in any index */ - - changes_ord_field = UPD_NODE_NO_ORD_CHANGE; - - if (row_upd_changes_some_index_ord_field_binary(node->table, - node->update)) { - changes_ord_field = 0; - } - - node->cmpl_info = changes_ord_field | changes_field_size; -} - -/*********************************************************************//** -Parses an update or delete statement. -@return own: update node in a query tree */ -UNIV_INTERN -upd_node_t* -pars_update_statement( -/*==================*/ - upd_node_t* node, /*!< in: update node */ - sym_node_t* cursor_sym, /*!< in: pointer to a cursor entry in - the symbol table or NULL */ - que_node_t* search_cond) /*!< in: search condition or NULL */ -{ - sym_node_t* table_sym; - sel_node_t* sel_node; - plan_t* plan; - - table_sym = node->table_sym; - - pars_retrieve_table_def(table_sym); - node->table = table_sym->table; - - UT_LIST_INIT(node->columns); - - /* Make the single table node into a list of table nodes of length 1 */ - - que_node_list_add_last(NULL, table_sym); - - if (cursor_sym) { - pars_resolve_exp_variables_and_types(NULL, cursor_sym); - - sel_node = cursor_sym->alias->cursor_def; - - node->searched_update = FALSE; - } else { - sel_node = pars_select_list(NULL, NULL); - - pars_select_statement(sel_node, table_sym, search_cond, NULL, - &pars_share_token, NULL); - node->searched_update = TRUE; - sel_node->common.parent = node; - } - - node->select = sel_node; - - ut_a(!node->is_delete || (node->col_assign_list == NULL)); - ut_a(node->is_delete || (node->col_assign_list != NULL)); - - if (node->is_delete) { - node->cmpl_info = 0; - } else { - pars_process_assign_list(node); - } - - if (node->searched_update) { - node->has_clust_rec_x_lock = TRUE; - sel_node->set_x_locks = TRUE; - sel_node->row_lock_mode = LOCK_X; - } else { - node->has_clust_rec_x_lock = sel_node->set_x_locks; - } - - ut_a(sel_node->n_tables == 1); - ut_a(sel_node->consistent_read == FALSE); - ut_a(sel_node->order_by == NULL); - ut_a(sel_node->is_aggregate == FALSE); - - sel_node->can_get_updated = TRUE; - - node->state = UPD_NODE_UPDATE_CLUSTERED; - - plan = sel_node_get_nth_plan(sel_node, 0); - - plan->no_prefetch = TRUE; - - if (!dict_index_is_clust(plan->index)) { - - plan->must_get_clust = TRUE; - - node->pcur = &(plan->clust_pcur); - } else { - node->pcur = &(plan->pcur); - } - - return(node); -} - -/*********************************************************************//** -Parses an insert statement. -@return own: update node in a query tree */ -UNIV_INTERN -ins_node_t* -pars_insert_statement( -/*==================*/ - sym_node_t* table_sym, /*!< in: table name node */ - que_node_t* values_list, /*!< in: value expression list or NULL */ - sel_node_t* select) /*!< in: select condition or NULL */ -{ - ins_node_t* node; - dtuple_t* row; - ulint ins_type; - - ut_a(values_list || select); - ut_a(!values_list || !select); - - if (values_list) { - ins_type = INS_VALUES; - } else { - ins_type = INS_SEARCHED; - } - - pars_retrieve_table_def(table_sym); - - node = ins_node_create(ins_type, table_sym->table, - pars_sym_tab_global->heap); - - row = dtuple_create(pars_sym_tab_global->heap, - dict_table_get_n_cols(node->table)); - - dict_table_copy_types(row, table_sym->table); - - ins_node_set_new_row(node, row); - - node->select = select; - - if (select) { - select->common.parent = node; - - ut_a(que_node_list_get_len(select->select_list) - == dict_table_get_n_user_cols(table_sym->table)); - } - - node->values_list = values_list; - - if (node->values_list) { - pars_resolve_exp_list_variables_and_types(NULL, values_list); - - ut_a(que_node_list_get_len(values_list) - == dict_table_get_n_user_cols(table_sym->table)); - } - - return(node); -} - -/*********************************************************************//** -Set the type of a dfield. */ -static -void -pars_set_dfield_type( -/*=================*/ - dfield_t* dfield, /*!< in: dfield */ - pars_res_word_t* type, /*!< in: pointer to a type - token */ - ulint len, /*!< in: length, or 0 */ - ibool is_unsigned, /*!< in: if TRUE, column is - UNSIGNED. */ - ibool is_not_null) /*!< in: if TRUE, column is - NOT NULL. */ -{ - ulint flags = 0; - - if (is_not_null) { - flags |= DATA_NOT_NULL; - } - - if (is_unsigned) { - flags |= DATA_UNSIGNED; - } - - if (type == &pars_int_token) { - ut_a(len == 0); - - dtype_set(dfield_get_type(dfield), DATA_INT, flags, 4); - - } else if (type == &pars_char_token) { - ut_a(len == 0); - - dtype_set(dfield_get_type(dfield), DATA_VARCHAR, - DATA_ENGLISH | flags, 0); - } else if (type == &pars_binary_token) { - ut_a(len != 0); - - dtype_set(dfield_get_type(dfield), DATA_FIXBINARY, - DATA_BINARY_TYPE | flags, len); - } else if (type == &pars_blob_token) { - ut_a(len == 0); - - dtype_set(dfield_get_type(dfield), DATA_BLOB, - DATA_BINARY_TYPE | flags, 0); - } else { - ut_error; - } -} - -/*********************************************************************//** -Parses a variable declaration. -@return own: symbol table node of type SYM_VAR */ -UNIV_INTERN -sym_node_t* -pars_variable_declaration( -/*======================*/ - sym_node_t* node, /*!< in: symbol table node allocated for the - id of the variable */ - pars_res_word_t* type) /*!< in: pointer to a type token */ -{ - node->resolved = TRUE; - node->token_type = SYM_VAR; - - node->param_type = PARS_NOT_PARAM; - - pars_set_dfield_type(que_node_get_val(node), type, 0, FALSE, FALSE); - - return(node); -} - -/*********************************************************************//** -Parses a procedure parameter declaration. -@return own: symbol table node of type SYM_VAR */ -UNIV_INTERN -sym_node_t* -pars_parameter_declaration( -/*=======================*/ - sym_node_t* node, /*!< in: symbol table node allocated for the - id of the parameter */ - ulint param_type, - /*!< in: PARS_INPUT or PARS_OUTPUT */ - pars_res_word_t* type) /*!< in: pointer to a type token */ -{ - ut_a((param_type == PARS_INPUT) || (param_type == PARS_OUTPUT)); - - pars_variable_declaration(node, type); - - node->param_type = param_type; - - return(node); -} - -/*********************************************************************//** -Sets the parent field in a query node list. */ -static -void -pars_set_parent_in_list( -/*====================*/ - que_node_t* node_list, /*!< in: first node in a list */ - que_node_t* parent) /*!< in: parent value to set in all - nodes of the list */ -{ - que_common_t* common; - - common = node_list; - - while (common) { - common->parent = parent; - - common = que_node_get_next(common); - } -} - -/*********************************************************************//** -Parses an elsif element. -@return elsif node */ -UNIV_INTERN -elsif_node_t* -pars_elsif_element( -/*===============*/ - que_node_t* cond, /*!< in: if-condition */ - que_node_t* stat_list) /*!< in: statement list */ -{ - elsif_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(elsif_node_t)); - - node->common.type = QUE_NODE_ELSIF; - - node->cond = cond; - - pars_resolve_exp_variables_and_types(NULL, cond); - - node->stat_list = stat_list; - - return(node); -} - -/*********************************************************************//** -Parses an if-statement. -@return if-statement node */ -UNIV_INTERN -if_node_t* -pars_if_statement( -/*==============*/ - que_node_t* cond, /*!< in: if-condition */ - que_node_t* stat_list, /*!< in: statement list */ - que_node_t* else_part) /*!< in: else-part statement list - or elsif element list */ -{ - if_node_t* node; - elsif_node_t* elsif_node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(if_node_t)); - - node->common.type = QUE_NODE_IF; - - node->cond = cond; - - pars_resolve_exp_variables_and_types(NULL, cond); - - node->stat_list = stat_list; - - if (else_part && (que_node_get_type(else_part) == QUE_NODE_ELSIF)) { - - /* There is a list of elsif conditions */ - - node->else_part = NULL; - node->elsif_list = else_part; - - elsif_node = else_part; - - while (elsif_node) { - pars_set_parent_in_list(elsif_node->stat_list, node); - - elsif_node = que_node_get_next(elsif_node); - } - } else { - node->else_part = else_part; - node->elsif_list = NULL; - - pars_set_parent_in_list(else_part, node); - } - - pars_set_parent_in_list(stat_list, node); - - return(node); -} - -/*********************************************************************//** -Parses a while-statement. -@return while-statement node */ -UNIV_INTERN -while_node_t* -pars_while_statement( -/*=================*/ - que_node_t* cond, /*!< in: while-condition */ - que_node_t* stat_list) /*!< in: statement list */ -{ - while_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(while_node_t)); - - node->common.type = QUE_NODE_WHILE; - - node->cond = cond; - - pars_resolve_exp_variables_and_types(NULL, cond); - - node->stat_list = stat_list; - - pars_set_parent_in_list(stat_list, node); - - return(node); -} - -/*********************************************************************//** -Parses a for-loop-statement. -@return for-statement node */ -UNIV_INTERN -for_node_t* -pars_for_statement( -/*===============*/ - sym_node_t* loop_var, /*!< in: loop variable */ - que_node_t* loop_start_limit,/*!< in: loop start expression */ - que_node_t* loop_end_limit, /*!< in: loop end expression */ - que_node_t* stat_list) /*!< in: statement list */ -{ - for_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(for_node_t)); - - node->common.type = QUE_NODE_FOR; - - pars_resolve_exp_variables_and_types(NULL, loop_var); - pars_resolve_exp_variables_and_types(NULL, loop_start_limit); - pars_resolve_exp_variables_and_types(NULL, loop_end_limit); - - node->loop_var = loop_var->indirection; - - ut_a(loop_var->indirection); - - node->loop_start_limit = loop_start_limit; - node->loop_end_limit = loop_end_limit; - - node->stat_list = stat_list; - - pars_set_parent_in_list(stat_list, node); - - return(node); -} - -/*********************************************************************//** -Parses an exit statement. -@return exit statement node */ -UNIV_INTERN -exit_node_t* -pars_exit_statement(void) -/*=====================*/ -{ - exit_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(exit_node_t)); - node->common.type = QUE_NODE_EXIT; - - return(node); -} - -/*********************************************************************//** -Parses a return-statement. -@return return-statement node */ -UNIV_INTERN -return_node_t* -pars_return_statement(void) -/*=======================*/ -{ - return_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, - sizeof(return_node_t)); - node->common.type = QUE_NODE_RETURN; - - return(node); -} - -/*********************************************************************//** -Parses an assignment statement. -@return assignment statement node */ -UNIV_INTERN -assign_node_t* -pars_assignment_statement( -/*======================*/ - sym_node_t* var, /*!< in: variable to assign */ - que_node_t* val) /*!< in: value to assign */ -{ - assign_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, - sizeof(assign_node_t)); - node->common.type = QUE_NODE_ASSIGNMENT; - - node->var = var; - node->val = val; - - pars_resolve_exp_variables_and_types(NULL, var); - pars_resolve_exp_variables_and_types(NULL, val); - - ut_a(dtype_get_mtype(dfield_get_type(que_node_get_val(var))) - == dtype_get_mtype(dfield_get_type(que_node_get_val(val)))); - - return(node); -} - -/*********************************************************************//** -Parses a procedure call. -@return function node */ -UNIV_INTERN -func_node_t* -pars_procedure_call( -/*================*/ - que_node_t* res_word,/*!< in: procedure name reserved word */ - que_node_t* args) /*!< in: argument list */ -{ - func_node_t* node; - - node = pars_func(res_word, args); - - pars_resolve_exp_list_variables_and_types(NULL, args); - - return(node); -} - -/*********************************************************************//** -Parses a fetch statement. into_list or user_func (but not both) must be -non-NULL. -@return fetch statement node */ -UNIV_INTERN -fetch_node_t* -pars_fetch_statement( -/*=================*/ - sym_node_t* cursor, /*!< in: cursor node */ - sym_node_t* into_list, /*!< in: variables to set, or NULL */ - sym_node_t* user_func) /*!< in: user function name, or NULL */ -{ - sym_node_t* cursor_decl; - fetch_node_t* node; - - /* Logical XOR. */ - ut_a(!into_list != !user_func); - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(fetch_node_t)); - - node->common.type = QUE_NODE_FETCH; - - pars_resolve_exp_variables_and_types(NULL, cursor); - - if (into_list) { - pars_resolve_exp_list_variables_and_types(NULL, into_list); - node->into_list = into_list; - node->func = NULL; - } else { - pars_resolve_exp_variables_and_types(NULL, user_func); - - node->func = pars_info_get_user_func(pars_sym_tab_global->info, - user_func->name); - ut_a(node->func); - - node->into_list = NULL; - } - - cursor_decl = cursor->alias; - - ut_a(cursor_decl->token_type == SYM_CURSOR); - - node->cursor_def = cursor_decl->cursor_def; - - if (into_list) { - ut_a(que_node_list_get_len(into_list) - == que_node_list_get_len(node->cursor_def->select_list)); - } - - return(node); -} - -/*********************************************************************//** -Parses an open or close cursor statement. -@return fetch statement node */ -UNIV_INTERN -open_node_t* -pars_open_statement( -/*================*/ - ulint type, /*!< in: ROW_SEL_OPEN_CURSOR - or ROW_SEL_CLOSE_CURSOR */ - sym_node_t* cursor) /*!< in: cursor node */ -{ - sym_node_t* cursor_decl; - open_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, sizeof(open_node_t)); - - node->common.type = QUE_NODE_OPEN; - - pars_resolve_exp_variables_and_types(NULL, cursor); - - cursor_decl = cursor->alias; - - ut_a(cursor_decl->token_type == SYM_CURSOR); - - node->op_type = type; - node->cursor_def = cursor_decl->cursor_def; - - return(node); -} - -/*********************************************************************//** -Parses a row_printf-statement. -@return row_printf-statement node */ -UNIV_INTERN -row_printf_node_t* -pars_row_printf_statement( -/*======================*/ - sel_node_t* sel_node) /*!< in: select node */ -{ - row_printf_node_t* node; - - node = mem_heap_alloc(pars_sym_tab_global->heap, - sizeof(row_printf_node_t)); - node->common.type = QUE_NODE_ROW_PRINTF; - - node->sel_node = sel_node; - - sel_node->common.parent = node; - - return(node); -} - -/*********************************************************************//** -Parses a commit statement. -@return own: commit node struct */ -UNIV_INTERN -commit_node_t* -pars_commit_statement(void) -/*=======================*/ -{ - return(commit_node_create(pars_sym_tab_global->heap)); -} - -/*********************************************************************//** -Parses a rollback statement. -@return own: rollback node struct */ -UNIV_INTERN -roll_node_t* -pars_rollback_statement(void) -/*=========================*/ -{ - return(roll_node_create(pars_sym_tab_global->heap)); -} - -/*********************************************************************//** -Parses a column definition at a table creation. -@return column sym table node */ -UNIV_INTERN -sym_node_t* -pars_column_def( -/*============*/ - sym_node_t* sym_node, /*!< in: column node in the - symbol table */ - pars_res_word_t* type, /*!< in: data type */ - sym_node_t* len, /*!< in: length of column, or - NULL */ - void* is_unsigned, /*!< in: if not NULL, column - is of type UNSIGNED. */ - void* is_not_null) /*!< in: if not NULL, column - is of type NOT NULL. */ -{ - ulint len2; - - if (len) { - len2 = eval_node_get_int_val(len); - } else { - len2 = 0; - } - - pars_set_dfield_type(que_node_get_val(sym_node), type, len2, - is_unsigned != NULL, is_not_null != NULL); - - return(sym_node); -} - -/*********************************************************************//** -Parses a table creation operation. -@return table create subgraph */ -UNIV_INTERN -tab_node_t* -pars_create_table( -/*==============*/ - sym_node_t* table_sym, /*!< in: table name node in the symbol - table */ - sym_node_t* column_defs, /*!< in: list of column names */ - void* not_fit_in_memory __attribute__((unused))) - /*!< in: a non-NULL pointer means that - this is a table which in simulations - should be simulated as not fitting - in memory; thread is put to sleep - to simulate disk accesses; NOTE that - this flag is not stored to the data - dictionary on disk, and the database - will forget about non-NULL value if - it has to reload the table definition - from disk */ -{ - dict_table_t* table; - sym_node_t* column; - tab_node_t* node; - const dtype_t* dtype; - ulint n_cols; - - n_cols = que_node_list_get_len(column_defs); - - /* As the InnoDB SQL parser is for internal use only, - for creating some system tables, this function will only - create tables in the old (not compact) record format. */ - table = dict_mem_table_create(table_sym->name, 0, n_cols, 0); - -#ifdef UNIV_DEBUG - if (not_fit_in_memory != NULL) { - table->does_not_fit_in_memory = TRUE; - } -#endif /* UNIV_DEBUG */ - column = column_defs; - - while (column) { - dtype = dfield_get_type(que_node_get_val(column)); - - dict_mem_table_add_col(table, table->heap, - column->name, dtype->mtype, - dtype->prtype, dtype->len); - column->resolved = TRUE; - column->token_type = SYM_COLUMN; - - column = que_node_get_next(column); - } - - node = tab_create_graph_create(table, pars_sym_tab_global->heap); - - table_sym->resolved = TRUE; - table_sym->token_type = SYM_TABLE; - - return(node); -} - -/*********************************************************************//** -Parses an index creation operation. -@return index create subgraph */ -UNIV_INTERN -ind_node_t* -pars_create_index( -/*==============*/ - pars_res_word_t* unique_def, /*!< in: not NULL if a unique index */ - pars_res_word_t* clustered_def, /*!< in: not NULL if a clustered index */ - sym_node_t* index_sym, /*!< in: index name node in the symbol - table */ - sym_node_t* table_sym, /*!< in: table name node in the symbol - table */ - sym_node_t* column_list) /*!< in: list of column names */ -{ - dict_index_t* index; - sym_node_t* column; - ind_node_t* node; - ulint n_fields; - ulint ind_type; - - n_fields = que_node_list_get_len(column_list); - - ind_type = 0; - - if (unique_def) { - ind_type = ind_type | DICT_UNIQUE; - } - - if (clustered_def) { - ind_type = ind_type | DICT_CLUSTERED; - } - - index = dict_mem_index_create(table_sym->name, index_sym->name, 0, - ind_type, n_fields); - column = column_list; - - while (column) { - dict_mem_index_add_field(index, column->name, 0); - - column->resolved = TRUE; - column->token_type = SYM_COLUMN; - - column = que_node_get_next(column); - } - - node = ind_create_graph_create(index, pars_sym_tab_global->heap); - - table_sym->resolved = TRUE; - table_sym->token_type = SYM_TABLE; - - index_sym->resolved = TRUE; - index_sym->token_type = SYM_TABLE; - - return(node); -} - -/*********************************************************************//** -Parses a procedure definition. -@return query fork node */ -UNIV_INTERN -que_fork_t* -pars_procedure_definition( -/*======================*/ - sym_node_t* sym_node, /*!< in: procedure id node in the symbol - table */ - sym_node_t* param_list, /*!< in: parameter declaration list */ - que_node_t* stat_list) /*!< in: statement list */ -{ - proc_node_t* node; - que_fork_t* fork; - que_thr_t* thr; - mem_heap_t* heap; - - heap = pars_sym_tab_global->heap; - - fork = que_fork_create(NULL, NULL, QUE_FORK_PROCEDURE, heap); - fork->trx = NULL; - - thr = que_thr_create(fork, heap); - - node = mem_heap_alloc(heap, sizeof(proc_node_t)); - - node->common.type = QUE_NODE_PROC; - node->common.parent = thr; - - sym_node->token_type = SYM_PROCEDURE_NAME; - sym_node->resolved = TRUE; - - node->proc_id = sym_node; - node->param_list = param_list; - node->stat_list = stat_list; - - pars_set_parent_in_list(stat_list, node); - - node->sym_tab = pars_sym_tab_global; - - thr->child = node; - - pars_sym_tab_global->query_graph = fork; - - return(fork); -} - -/*************************************************************//** -Parses a stored procedure call, when this is not within another stored -procedure, that is, the client issues a procedure call directly. -In MySQL/InnoDB, stored InnoDB procedures are invoked via the -parsed procedure tree, not via InnoDB SQL, so this function is not used. -@return query graph */ -UNIV_INTERN -que_fork_t* -pars_stored_procedure_call( -/*=======================*/ - sym_node_t* sym_node __attribute__((unused))) - /*!< in: stored procedure name */ -{ - ut_error; - return(NULL); -} - -/*************************************************************//** -Retrieves characters to the lexical analyzer. */ -UNIV_INTERN -void -pars_get_lex_chars( -/*===============*/ - char* buf, /*!< in/out: buffer where to copy */ - int* result, /*!< out: number of characters copied or EOF */ - int max_size) /*!< in: maximum number of characters which fit - in the buffer */ -{ - int len; - - len = pars_sym_tab_global->string_len - - pars_sym_tab_global->next_char_pos; - if (len == 0) { -#ifdef YYDEBUG - /* fputs("SQL string ends\n", stderr); */ -#endif - *result = 0; - - return; - } - - if (len > max_size) { - len = max_size; - } - -#ifdef UNIV_SQL_DEBUG - if (pars_print_lexed) { - - if (len >= 5) { - len = 5; - } - - fwrite(pars_sym_tab_global->sql_string - + pars_sym_tab_global->next_char_pos, - 1, len, stderr); - } -#endif /* UNIV_SQL_DEBUG */ - - ut_memcpy(buf, pars_sym_tab_global->sql_string - + pars_sym_tab_global->next_char_pos, len); - *result = len; - - pars_sym_tab_global->next_char_pos += len; -} - -/*************************************************************//** -Called by yyparse on error. */ -UNIV_INTERN -void -yyerror( -/*====*/ - const char* s __attribute__((unused))) - /*!< in: error message string */ -{ - ut_ad(s); - - fputs("PARSER ERROR: Syntax error in SQL string\n", stderr); - - ut_error; -} - -/*************************************************************//** -Parses an SQL string returning the query graph. -@return own: the query graph */ -UNIV_INTERN -que_t* -pars_sql( -/*=====*/ - pars_info_t* info, /*!< in: extra information, or NULL */ - const char* str) /*!< in: SQL string */ -{ - sym_node_t* sym_node; - mem_heap_t* heap; - que_t* graph; - - ut_ad(str); - - heap = mem_heap_create(256); - - /* Currently, the parser is not reentrant: */ - ut_ad(mutex_own(&(dict_sys->mutex))); - - pars_sym_tab_global = sym_tab_create(heap); - - pars_sym_tab_global->string_len = strlen(str); - pars_sym_tab_global->sql_string = mem_heap_dup( - heap, str, pars_sym_tab_global->string_len + 1); - pars_sym_tab_global->next_char_pos = 0; - pars_sym_tab_global->info = info; - - yyparse(); - - sym_node = UT_LIST_GET_FIRST(pars_sym_tab_global->sym_list); - - while (sym_node) { - ut_a(sym_node->resolved); - - sym_node = UT_LIST_GET_NEXT(sym_list, sym_node); - } - - graph = pars_sym_tab_global->query_graph; - - graph->sym_tab = pars_sym_tab_global; - graph->info = info; - - /* fprintf(stderr, "SQL graph size %lu\n", mem_heap_get_size(heap)); */ - - return(graph); -} - -/******************************************************************//** -Completes a query graph by adding query thread and fork nodes -above it and prepares the graph for running. The fork created is of -type QUE_FORK_MYSQL_INTERFACE. -@return query thread node to run */ -UNIV_INTERN -que_thr_t* -pars_complete_graph_for_exec( -/*=========================*/ - que_node_t* node, /*!< in: root node for an incomplete - query graph */ - trx_t* trx, /*!< in: transaction handle */ - mem_heap_t* heap) /*!< in: memory heap from which allocated */ -{ - que_fork_t* fork; - que_thr_t* thr; - - fork = que_fork_create(NULL, NULL, QUE_FORK_MYSQL_INTERFACE, heap); - fork->trx = trx; - - thr = que_thr_create(fork, heap); - - thr->child = node; - - que_node_set_parent(node, thr); - - trx->graph = NULL; - - return(thr); -} - -/****************************************************************//** -Create parser info struct. -@return own: info struct */ -UNIV_INTERN -pars_info_t* -pars_info_create(void) -/*==================*/ -{ - pars_info_t* info; - mem_heap_t* heap; - - heap = mem_heap_create(512); - - info = mem_heap_alloc(heap, sizeof(*info)); - - info->heap = heap; - info->funcs = NULL; - info->bound_lits = NULL; - info->bound_ids = NULL; - info->graph_owns_us = TRUE; - - return(info); -} - -/****************************************************************//** -Free info struct and everything it contains. */ -UNIV_INTERN -void -pars_info_free( -/*===========*/ - pars_info_t* info) /*!< in, own: info struct */ -{ - mem_heap_free(info->heap); -} - -/****************************************************************//** -Add bound literal. */ -UNIV_INTERN -void -pars_info_add_literal( -/*==================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const void* address, /*!< in: address */ - ulint length, /*!< in: length of data */ - ulint type, /*!< in: type, e.g. DATA_FIXBINARY */ - ulint prtype) /*!< in: precise type, e.g. - DATA_UNSIGNED */ -{ - pars_bound_lit_t* pbl; - - ut_ad(!pars_info_get_bound_lit(info, name)); - - pbl = mem_heap_alloc(info->heap, sizeof(*pbl)); - - pbl->name = name; - pbl->address = address; - pbl->length = length; - pbl->type = type; - pbl->prtype = prtype; - - if (!info->bound_lits) { - info->bound_lits = ib_vector_create(info->heap, 8); - } - - ib_vector_push(info->bound_lits, pbl); -} - -/****************************************************************//** -Equivalent to pars_info_add_literal(info, name, str, strlen(str), -DATA_VARCHAR, DATA_ENGLISH). */ -UNIV_INTERN -void -pars_info_add_str_literal( -/*======================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const char* str) /*!< in: string */ -{ - pars_info_add_literal(info, name, str, strlen(str), - DATA_VARCHAR, DATA_ENGLISH); -} - -/****************************************************************//** -Equivalent to: - -char buf[4]; -mach_write_to_4(buf, val); -pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); - -except that the buffer is dynamically allocated from the info struct's -heap. */ -UNIV_INTERN -void -pars_info_add_int4_literal( -/*=======================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - lint val) /*!< in: value */ -{ - byte* buf = mem_heap_alloc(info->heap, 4); - - mach_write_to_4(buf, val); - pars_info_add_literal(info, name, buf, 4, DATA_INT, 0); -} - -/****************************************************************//** -Equivalent to: - -char buf[8]; -mach_write_to_8(buf, val); -pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); - -except that the buffer is dynamically allocated from the info struct's -heap. */ -UNIV_INTERN -void -pars_info_add_dulint_literal( -/*=========================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - dulint val) /*!< in: value */ -{ - byte* buf = mem_heap_alloc(info->heap, 8); - - mach_write_to_8(buf, val); - - pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); -} - -/****************************************************************//** -Add user function. */ -UNIV_INTERN -void -pars_info_add_function( -/*===================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: function name */ - pars_user_func_cb_t func, /*!< in: function address */ - void* arg) /*!< in: user-supplied argument */ -{ - pars_user_func_t* puf; - - ut_ad(!pars_info_get_user_func(info, name)); - - puf = mem_heap_alloc(info->heap, sizeof(*puf)); - - puf->name = name; - puf->func = func; - puf->arg = arg; - - if (!info->funcs) { - info->funcs = ib_vector_create(info->heap, 8); - } - - ib_vector_push(info->funcs, puf); -} - -/****************************************************************//** -Add bound id. */ -UNIV_INTERN -void -pars_info_add_id( -/*=============*/ - pars_info_t* info, /*!< in: info struct */ - const char* name, /*!< in: name */ - const char* id) /*!< in: id */ -{ - pars_bound_id_t* bid; - - ut_ad(!pars_info_get_bound_id(info, name)); - - bid = mem_heap_alloc(info->heap, sizeof(*bid)); - - bid->name = name; - bid->id = id; - - if (!info->bound_ids) { - info->bound_ids = ib_vector_create(info->heap, 8); - } - - ib_vector_push(info->bound_ids, bid); -} - -/****************************************************************//** -Get user function with the given name. -@return user func, or NULL if not found */ -UNIV_INTERN -pars_user_func_t* -pars_info_get_user_func( -/*====================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name) /*!< in: function name to find*/ -{ - ulint i; - ib_vector_t* vec; - - if (!info || !info->funcs) { - return(NULL); - } - - vec = info->funcs; - - for (i = 0; i < ib_vector_size(vec); i++) { - pars_user_func_t* puf = ib_vector_get(vec, i); - - if (strcmp(puf->name, name) == 0) { - return(puf); - } - } - - return(NULL); -} - -/****************************************************************//** -Get bound literal with the given name. -@return bound literal, or NULL if not found */ -UNIV_INTERN -pars_bound_lit_t* -pars_info_get_bound_lit( -/*====================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name) /*!< in: bound literal name to find */ -{ - ulint i; - ib_vector_t* vec; - - if (!info || !info->bound_lits) { - return(NULL); - } - - vec = info->bound_lits; - - for (i = 0; i < ib_vector_size(vec); i++) { - pars_bound_lit_t* pbl = ib_vector_get(vec, i); - - if (strcmp(pbl->name, name) == 0) { - return(pbl); - } - } - - return(NULL); -} - -/****************************************************************//** -Get bound id with the given name. -@return bound id, or NULL if not found */ -UNIV_INTERN -pars_bound_id_t* -pars_info_get_bound_id( -/*===================*/ - pars_info_t* info, /*!< in: info struct */ - const char* name) /*!< in: bound id name to find */ -{ - ulint i; - ib_vector_t* vec; - - if (!info || !info->bound_ids) { - return(NULL); - } - - vec = info->bound_ids; - - for (i = 0; i < ib_vector_size(vec); i++) { - pars_bound_id_t* bid = ib_vector_get(vec, i); - - if (strcmp(bid->name, name) == 0) { - return(bid); - } - } - - return(NULL); -} diff --git a/perfschema/pars/pars0sym.c b/perfschema/pars/pars0sym.c deleted file mode 100644 index b56350116bb..00000000000 --- a/perfschema/pars/pars0sym.c +++ /dev/null @@ -1,371 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file pars/pars0sym.c -SQL parser symbol table - -Created 12/15/1997 Heikki Tuuri -*******************************************************/ - -#include "pars0sym.h" - -#ifdef UNIV_NONINL -#include "pars0sym.ic" -#endif - -#include "mem0mem.h" -#include "data0type.h" -#include "data0data.h" -#include "pars0grm.h" -#include "pars0pars.h" -#include "que0que.h" -#include "eval0eval.h" -#include "row0sel.h" - -/******************************************************************//** -Creates a symbol table for a single stored procedure or query. -@return own: symbol table */ -UNIV_INTERN -sym_tab_t* -sym_tab_create( -/*===========*/ - mem_heap_t* heap) /*!< in: memory heap where to create */ -{ - sym_tab_t* sym_tab; - - sym_tab = mem_heap_alloc(heap, sizeof(sym_tab_t)); - - UT_LIST_INIT(sym_tab->sym_list); - UT_LIST_INIT(sym_tab->func_node_list); - - sym_tab->heap = heap; - - return(sym_tab); -} - -/******************************************************************//** -Frees the memory allocated dynamically AFTER parsing phase for variables -etc. in the symbol table. Does not free the mem heap where the table was -originally created. Frees also SQL explicit cursor definitions. */ -UNIV_INTERN -void -sym_tab_free_private( -/*=================*/ - sym_tab_t* sym_tab) /*!< in, own: symbol table */ -{ - sym_node_t* sym; - func_node_t* func; - - sym = UT_LIST_GET_FIRST(sym_tab->sym_list); - - while (sym) { - eval_node_free_val_buf(sym); - - if (sym->prefetch_buf) { - sel_col_prefetch_buf_free(sym->prefetch_buf); - } - - if (sym->cursor_def) { - que_graph_free_recursive(sym->cursor_def); - } - - sym = UT_LIST_GET_NEXT(sym_list, sym); - } - - func = UT_LIST_GET_FIRST(sym_tab->func_node_list); - - while (func) { - eval_node_free_val_buf(func); - - func = UT_LIST_GET_NEXT(func_node_list, func); - } -} - -/******************************************************************//** -Adds an integer literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_int_lit( -/*================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - ulint val) /*!< in: integer value */ -{ - sym_node_t* node; - byte* data; - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = TRUE; - node->token_type = SYM_LIT; - - node->indirection = NULL; - - dtype_set(dfield_get_type(&node->common.val), DATA_INT, 0, 4); - - data = mem_heap_alloc(sym_tab->heap, 4); - mach_write_to_4(data, val); - - dfield_set_data(&(node->common.val), data, 4); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - node->sym_table = sym_tab; - - return(node); -} - -/******************************************************************//** -Adds a string literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_str_lit( -/*================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - byte* str, /*!< in: string with no quotes around - it */ - ulint len) /*!< in: string length */ -{ - sym_node_t* node; - byte* data; - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = TRUE; - node->token_type = SYM_LIT; - - node->indirection = NULL; - - dtype_set(dfield_get_type(&node->common.val), - DATA_VARCHAR, DATA_ENGLISH, 0); - - if (len) { - data = mem_heap_alloc(sym_tab->heap, len); - ut_memcpy(data, str, len); - } else { - data = NULL; - } - - dfield_set_data(&(node->common.val), data, len); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - node->sym_table = sym_tab; - - return(node); -} - -/******************************************************************//** -Add a bound literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_bound_lit( -/*==================*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - const char* name, /*!< in: name of bound literal */ - ulint* lit_type) /*!< out: type of literal (PARS_*_LIT) */ -{ - sym_node_t* node; - pars_bound_lit_t* blit; - ulint len = 0; - - blit = pars_info_get_bound_lit(sym_tab->info, name); - ut_a(blit); - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = TRUE; - node->token_type = SYM_LIT; - - node->indirection = NULL; - - switch (blit->type) { - case DATA_FIXBINARY: - len = blit->length; - *lit_type = PARS_FIXBINARY_LIT; - break; - - case DATA_BLOB: - *lit_type = PARS_BLOB_LIT; - break; - - case DATA_VARCHAR: - *lit_type = PARS_STR_LIT; - break; - - case DATA_CHAR: - ut_a(blit->length > 0); - - len = blit->length; - *lit_type = PARS_STR_LIT; - break; - - case DATA_INT: - ut_a(blit->length > 0); - ut_a(blit->length <= 8); - - len = blit->length; - *lit_type = PARS_INT_LIT; - break; - - default: - ut_error; - } - - dtype_set(dfield_get_type(&node->common.val), - blit->type, blit->prtype, len); - - dfield_set_data(&(node->common.val), blit->address, blit->length); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - node->sym_table = sym_tab; - - return(node); -} - -/******************************************************************//** -Adds an SQL null literal to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_null_lit( -/*=================*/ - sym_tab_t* sym_tab) /*!< in: symbol table */ -{ - sym_node_t* node; - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = TRUE; - node->token_type = SYM_LIT; - - node->indirection = NULL; - - dfield_get_type(&node->common.val)->mtype = DATA_ERROR; - - dfield_set_null(&node->common.val); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - node->sym_table = sym_tab; - - return(node); -} - -/******************************************************************//** -Adds an identifier to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_id( -/*===========*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - byte* name, /*!< in: identifier name */ - ulint len) /*!< in: identifier length */ -{ - sym_node_t* node; - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = FALSE; - node->indirection = NULL; - - node->name = mem_heap_strdupl(sym_tab->heap, (char*) name, len); - node->name_len = len; - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - dfield_set_null(&node->common.val); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - node->sym_table = sym_tab; - - return(node); -} - -/******************************************************************//** -Add a bound identifier to a symbol table. -@return symbol table node */ -UNIV_INTERN -sym_node_t* -sym_tab_add_bound_id( -/*===========*/ - sym_tab_t* sym_tab, /*!< in: symbol table */ - const char* name) /*!< in: name of bound id */ -{ - sym_node_t* node; - pars_bound_id_t* bid; - - bid = pars_info_get_bound_id(sym_tab->info, name); - ut_a(bid); - - node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t)); - - node->common.type = QUE_NODE_SYMBOL; - - node->resolved = FALSE; - node->indirection = NULL; - - node->name = mem_heap_strdup(sym_tab->heap, bid->id); - node->name_len = strlen(node->name); - - UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node); - - dfield_set_null(&node->common.val); - - node->common.val_buf_size = 0; - node->prefetch_buf = NULL; - node->cursor_def = NULL; - - node->sym_table = sym_tab; - - return(node); -} diff --git a/perfschema/plug.in b/perfschema/plug.in deleted file mode 100644 index eb51e0ebaa1..00000000000 --- a/perfschema/plug.in +++ /dev/null @@ -1,233 +0,0 @@ -# -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# - -MYSQL_STORAGE_ENGINE(innobase, innodb, [InnoDB Storage Engine], - [Transactional Tables using InnoDB], [max,max-no-ndb]) -MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase]) -MYSQL_PLUGIN_STATIC(innobase, [libinnobase.a]) -MYSQL_PLUGIN_DYNAMIC(innobase, [ha_innodb.la]) -MYSQL_PLUGIN_ACTIONS(innobase, [ - AC_CHECK_HEADERS(sched.h) - AC_CHECK_SIZEOF(int, 4) - AC_CHECK_SIZEOF(long, 4) - AC_CHECK_SIZEOF(void*, 4) - AC_CHECK_FUNCS(sched_yield fdatasync localtime_r) - AC_C_BIGENDIAN - case "$target_os" in - lin*) - AC_CHECK_HEADER(libaio.h, - AC_CHECK_LIB(aio, io_setup, - LIBS="$LIBS -laio" - AC_DEFINE(LINUX_NATIVE_AIO, [1], - [Linux native async I/O support]), - AC_MSG_WARN([No Linux native async I/O])), - AC_MSG_WARN([No Linux native async I/O])) - - CFLAGS="$CFLAGS -DUNIV_LINUX";; - hpux10*) - CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";; - hp*) - CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";; - aix*) - CFLAGS="$CFLAGS -DUNIV_AIX";; - irix*|osf*|sysv5uw7*|openbsd*) - CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";; - *solaris*|*SunOS*) - CFLAGS="$CFLAGS -DUNIV_SOLARIS";; - esac - - INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN" - - case "$target_cpu" in - x86_64) - # The AMD64 ABI forbids absolute addresses in shared libraries - ;; - *86) - # Use absolute addresses on IA-32 - INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic" - ;; - esac - AC_SUBST(INNODB_DYNAMIC_CFLAGS) - - AC_MSG_CHECKING(whether GCC atomic builtins are available) - # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not - AC_TRY_RUN( - [ - int main() - { - long x; - long y; - long res; - char c; - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x, y); - if (!res || x != y) { - return(1); - } - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x + 1, y); - if (res || x != 10) { - return(1); - } - - x = 10; - y = 123; - res = __sync_add_and_fetch(&x, y); - if (res != 123 + 10 || x != 123 + 10) { - return(1); - } - - c = 10; - res = __sync_lock_test_and_set(&c, 123); - if (res != 10 || c != 123) { - return(1); - } - - return(0); - } - ], - [ - AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1], - [GCC atomic builtins are available]) - AC_MSG_RESULT(yes) - ], - [ - AC_MSG_RESULT(no) - ] - ) - - AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins) - # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not - AC_TRY_RUN( - [ - #include - #include - - int main(int argc, char** argv) { - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - __sync_bool_compare_and_swap(&x1, x2, x3); - - return(0); - } - ], - [ - AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1], - [pthread_t can be used by GCC atomic builtins]) - AC_MSG_RESULT(yes) - ], - [ - AC_MSG_RESULT(no) - ] - ) - - AC_MSG_CHECKING(whether Solaris libc atomic functions are available) - # either define HAVE_IB_SOLARIS_ATOMICS or not - AC_CHECK_FUNCS(atomic_add_long \ - atomic_cas_32 \ - atomic_cas_64 \ - atomic_cas_ulong, - - AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1], - [Define to 1 if Solaris libc atomic functions \ - are available]) - ) - - AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions) - # either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not - AC_TRY_RUN( - [ - #include - #include - - int main(int argc, char** argv) { - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - if (sizeof(pthread_t) == 4) { - - atomic_cas_32(&x1, x2, x3); - - } else if (sizeof(pthread_t) == 8) { - - atomic_cas_64(&x1, x2, x3); - - } else { - - return(1); - } - - return(0); - } - ], - [ - AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1], - [pthread_t can be used by solaris atomics]) - AC_MSG_RESULT(yes) - ], - [ - AC_MSG_RESULT(no) - ] - ) - - # this is needed to know which one of atomic_cas_32() or atomic_cas_64() - # to use in the source - AC_CHECK_SIZEOF([pthread_t], [], [#include ]) - - # Check for x86 PAUSE instruction - AC_MSG_CHECKING(for x86 PAUSE instruction) - # We have to actually try running the test program, because of a bug - # in Solaris on x86_64, where it wrongly reports that PAUSE is not - # supported when trying to run an application. See - # http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684 - # We use ib_ prefix to avoid collisoins if this code is added to - # mysql's configure.in. - AC_TRY_RUN( - [ - int main() { - __asm__ __volatile__ ("pause"); - return(0); - } - ], - [ - AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist]) - AC_MSG_RESULT(yes) - ], - [ - AC_MSG_RESULT(no) - ], - [ - AC_MSG_RESULT(no) - ] - ) - ]) - -# vim: set ft=config: diff --git a/perfschema/que/que0que.c b/perfschema/que/que0que.c deleted file mode 100644 index 2fe046fa9b8..00000000000 --- a/perfschema/que/que0que.c +++ /dev/null @@ -1,1436 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file que/que0que.c -Query graph - -Created 5/27/1996 Heikki Tuuri -*******************************************************/ - -#include "que0que.h" - -#ifdef UNIV_NONINL -#include "que0que.ic" -#endif - -#include "srv0que.h" -#include "usr0sess.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "row0undo.h" -#include "row0ins.h" -#include "row0upd.h" -#include "row0sel.h" -#include "row0purge.h" -#include "dict0crea.h" -#include "log0log.h" -#include "eval0proc.h" -#include "eval0eval.h" -#include "pars0types.h" - -#define QUE_PARALLELIZE_LIMIT (64 * 256 * 256 * 256) -#define QUE_ROUND_ROBIN_LIMIT (64 * 256 * 256 * 256) -#define QUE_MAX_LOOPS_WITHOUT_CHECK 16 - -#ifdef UNIV_DEBUG -/* If the following flag is set TRUE, the module will print trace info -of SQL execution in the UNIV_SQL_DEBUG version */ -UNIV_INTERN ibool que_trace_on = FALSE; -#endif /* UNIV_DEBUG */ - -/* Short introduction to query graphs - ================================== - -A query graph consists of nodes linked to each other in various ways. The -execution starts at que_run_threads() which takes a que_thr_t parameter. -que_thr_t contains two fields that control query graph execution: run_node -and prev_node. run_node is the next node to execute and prev_node is the -last node executed. - -Each node has a pointer to a 'next' statement, i.e., its brother, and a -pointer to its parent node. The next pointer is NULL in the last statement -of a block. - -Loop nodes contain a link to the first statement of the enclosed statement -list. While the loop runs, que_thr_step() checks if execution to the loop -node came from its parent or from one of the statement nodes in the loop. If -it came from the parent of the loop node it starts executing the first -statement node in the loop. If it came from one of the statement nodes in -the loop, then it checks if the statement node has another statement node -following it, and runs it if so. - -To signify loop ending, the loop statements (see e.g. while_step()) set -que_thr_t->run_node to the loop node's parent node. This is noticed on the -next call of que_thr_step() and execution proceeds to the node pointed to by -the loop node's 'next' pointer. - -For example, the code: - -X := 1; -WHILE X < 5 LOOP - X := X + 1; - X := X + 1; -X := 5 - -will result in the following node hierarchy, with the X-axis indicating -'next' links and the Y-axis indicating parent/child links: - -A - W - A - | - | - A - A - -A = assign_node_t, W = while_node_t. */ - -/* How a stored procedure containing COMMIT or ROLLBACK commands -is executed? - -The commit or rollback can be seen as a subprocedure call. -The problem is that if there are several query threads -currently running within the transaction, their action could -mess the commit or rollback operation. Or, at the least, the -operation would be difficult to visualize and keep in control. - -Therefore the query thread requesting a commit or a rollback -sends to the transaction a signal, which moves the transaction -to TRX_QUE_SIGNALED state. All running query threads of the -transaction will eventually notice that the transaction is now in -this state and voluntarily suspend themselves. Only the last -query thread which suspends itself will trigger handling of -the signal. - -When the transaction starts to handle a rollback or commit -signal, it builds a query graph which, when executed, will -roll back or commit the incomplete transaction. The transaction -is moved to the TRX_QUE_ROLLING_BACK or TRX_QUE_COMMITTING state. -If specified, the SQL cursors opened by the transaction are closed. -When the execution of the graph completes, it is like returning -from a subprocedure: the query thread which requested the operation -starts running again. */ - -/**********************************************************************//** -Moves a thread from another state to the QUE_THR_RUNNING state. Increments -the n_active_thrs counters of the query graph and transaction. -***NOTE***: This is the only function in which such a transition is allowed -to happen! */ -static -void -que_thr_move_to_run_state( -/*======================*/ - que_thr_t* thr); /*!< in: an query thread */ - -/***********************************************************************//** -Adds a query graph to the session's list of graphs. */ -UNIV_INTERN -void -que_graph_publish( -/*==============*/ - que_t* graph, /*!< in: graph */ - sess_t* sess) /*!< in: session */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - UT_LIST_ADD_LAST(graphs, sess->graphs, graph); -} - -/***********************************************************************//** -Creates a query graph fork node. -@return own: fork node */ -UNIV_INTERN -que_fork_t* -que_fork_create( -/*============*/ - que_t* graph, /*!< in: graph, if NULL then this - fork node is assumed to be the - graph root */ - que_node_t* parent, /*!< in: parent node */ - ulint fork_type, /*!< in: fork type */ - mem_heap_t* heap) /*!< in: memory heap where created */ -{ - que_fork_t* fork; - - ut_ad(heap); - - fork = mem_heap_alloc(heap, sizeof(que_fork_t)); - - fork->common.type = QUE_NODE_FORK; - fork->n_active_thrs = 0; - - fork->state = QUE_FORK_COMMAND_WAIT; - - if (graph != NULL) { - fork->graph = graph; - } else { - fork->graph = fork; - } - - fork->common.parent = parent; - fork->fork_type = fork_type; - - fork->caller = NULL; - - UT_LIST_INIT(fork->thrs); - - fork->sym_tab = NULL; - fork->info = NULL; - - fork->heap = heap; - - return(fork); -} - -/***********************************************************************//** -Creates a query graph thread node. -@return own: query thread node */ -UNIV_INTERN -que_thr_t* -que_thr_create( -/*===========*/ - que_fork_t* parent, /*!< in: parent node, i.e., a fork node */ - mem_heap_t* heap) /*!< in: memory heap where created */ -{ - que_thr_t* thr; - - ut_ad(parent && heap); - - thr = mem_heap_alloc(heap, sizeof(que_thr_t)); - - thr->common.type = QUE_NODE_THR; - thr->common.parent = parent; - - thr->magic_n = QUE_THR_MAGIC_N; - - thr->graph = parent->graph; - - thr->state = QUE_THR_COMMAND_WAIT; - - thr->is_active = FALSE; - - thr->run_node = NULL; - thr->resource = 0; - thr->lock_state = QUE_THR_LOCK_NOLOCK; - - UT_LIST_ADD_LAST(thrs, parent->thrs, thr); - - return(thr); -} - -/**********************************************************************//** -Moves a suspended query thread to the QUE_THR_RUNNING state and may release -a single worker thread to execute it. This function should be used to end -the wait state of a query thread waiting for a lock or a stored procedure -completion. */ -UNIV_INTERN -void -que_thr_end_wait( -/*=============*/ - que_thr_t* thr, /*!< in: query thread in the - QUE_THR_LOCK_WAIT, - or QUE_THR_PROCEDURE_WAIT, or - QUE_THR_SIG_REPLY_WAIT state */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if NULL is passed - as the parameter, it is ignored */ -{ - ibool was_active; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(thr); - ut_ad((thr->state == QUE_THR_LOCK_WAIT) - || (thr->state == QUE_THR_PROCEDURE_WAIT) - || (thr->state == QUE_THR_SIG_REPLY_WAIT)); - ut_ad(thr->run_node); - - thr->prev_node = thr->run_node; - - was_active = thr->is_active; - - que_thr_move_to_run_state(thr); - - if (was_active) { - - return; - } - - if (next_thr && *next_thr == NULL) { - *next_thr = thr; - } else { - ut_a(0); - srv_que_task_enqueue_low(thr); - } -} - -/**********************************************************************//** -Same as que_thr_end_wait, but no parameter next_thr available. */ -UNIV_INTERN -void -que_thr_end_wait_no_next_thr( -/*=========================*/ - que_thr_t* thr) /*!< in: query thread in the QUE_THR_LOCK_WAIT, - or QUE_THR_PROCEDURE_WAIT, or - QUE_THR_SIG_REPLY_WAIT state */ -{ - ibool was_active; - - ut_a(thr->state == QUE_THR_LOCK_WAIT); /* In MySQL this is the - only possible state here */ - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(thr); - ut_ad((thr->state == QUE_THR_LOCK_WAIT) - || (thr->state == QUE_THR_PROCEDURE_WAIT) - || (thr->state == QUE_THR_SIG_REPLY_WAIT)); - - was_active = thr->is_active; - - que_thr_move_to_run_state(thr); - - if (was_active) { - - return; - } - - /* In MySQL we let the OS thread (not just the query thread) to wait - for the lock to be released: */ - - srv_release_mysql_thread_if_suspended(thr); - - /* srv_que_task_enqueue_low(thr); */ -} - -/**********************************************************************//** -Inits a query thread for a command. */ -UNIV_INLINE -void -que_thr_init_command( -/*=================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - thr->run_node = thr; - thr->prev_node = thr->common.parent; - - que_thr_move_to_run_state(thr); -} - -/**********************************************************************//** -Starts execution of a command in a query fork. Picks a query thread which -is not in the QUE_THR_RUNNING state and moves it to that state. If none -can be chosen, a situation which may arise in parallelized fetches, NULL -is returned. -@return a query thread of the graph moved to QUE_THR_RUNNING state, or -NULL; the query thread should be executed by que_run_threads by the -caller */ -UNIV_INTERN -que_thr_t* -que_fork_start_command( -/*===================*/ - que_fork_t* fork) /*!< in: a query fork */ -{ - que_thr_t* thr; - que_thr_t* suspended_thr = NULL; - que_thr_t* completed_thr = NULL; - - fork->state = QUE_FORK_ACTIVE; - - fork->last_sel_node = NULL; - - suspended_thr = NULL; - completed_thr = NULL; - - /* Choose the query thread to run: usually there is just one thread, - but in a parallelized select, which necessarily is non-scrollable, - there may be several to choose from */ - - /* First we try to find a query thread in the QUE_THR_COMMAND_WAIT - state. Then we try to find a query thread in the QUE_THR_SUSPENDED - state, finally we try to find a query thread in the QUE_THR_COMPLETED - state */ - - thr = UT_LIST_GET_FIRST(fork->thrs); - - /* We make a single pass over the thr list within which we note which - threads are ready to run. */ - while (thr) { - switch (thr->state) { - case QUE_THR_COMMAND_WAIT: - - /* We have to send the initial message to query thread - to start it */ - - que_thr_init_command(thr); - - return(thr); - - case QUE_THR_SUSPENDED: - /* In this case the execution of the thread was - suspended: no initial message is needed because - execution can continue from where it was left */ - if (!suspended_thr) { - suspended_thr = thr; - } - - break; - - case QUE_THR_COMPLETED: - if (!completed_thr) { - completed_thr = thr; - } - - break; - - case QUE_THR_LOCK_WAIT: - ut_error; - - } - - thr = UT_LIST_GET_NEXT(thrs, thr); - } - - if (suspended_thr) { - - thr = suspended_thr; - que_thr_move_to_run_state(thr); - - } else if (completed_thr) { - - thr = completed_thr; - que_thr_init_command(thr); - } - - return(thr); -} - -/**********************************************************************//** -After signal handling is finished, returns control to a query graph error -handling routine. (Currently, just returns the control to the root of the -graph so that the graph can communicate an error message to the client.) */ -UNIV_INTERN -void -que_fork_error_handle( -/*==================*/ - trx_t* trx __attribute__((unused)), /*!< in: trx */ - que_t* fork) /*!< in: query graph which was run before signal - handling started, NULL not allowed */ -{ - que_thr_t* thr; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(trx->sess->state == SESS_ERROR); - ut_ad(UT_LIST_GET_LEN(trx->reply_signals) == 0); - ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); - - thr = UT_LIST_GET_FIRST(fork->thrs); - - while (thr != NULL) { - ut_ad(!thr->is_active); - ut_ad(thr->state != QUE_THR_SIG_REPLY_WAIT); - ut_ad(thr->state != QUE_THR_LOCK_WAIT); - - thr->run_node = thr; - thr->prev_node = thr->child; - thr->state = QUE_THR_COMPLETED; - - thr = UT_LIST_GET_NEXT(thrs, thr); - } - - thr = UT_LIST_GET_FIRST(fork->thrs); - - que_thr_move_to_run_state(thr); - - ut_a(0); - srv_que_task_enqueue_low(thr); -} - -/****************************************************************//** -Tests if all the query threads in the same fork have a given state. -@return TRUE if all the query threads in the same fork were in the -given state */ -UNIV_INLINE -ibool -que_fork_all_thrs_in_state( -/*=======================*/ - que_fork_t* fork, /*!< in: query fork */ - ulint state) /*!< in: state */ -{ - que_thr_t* thr_node; - - thr_node = UT_LIST_GET_FIRST(fork->thrs); - - while (thr_node != NULL) { - if (thr_node->state != state) { - - return(FALSE); - } - - thr_node = UT_LIST_GET_NEXT(thrs, thr_node); - } - - return(TRUE); -} - -/**********************************************************************//** -Calls que_graph_free_recursive for statements in a statement list. */ -static -void -que_graph_free_stat_list( -/*=====================*/ - que_node_t* node) /*!< in: first query graph node in the list */ -{ - while (node) { - que_graph_free_recursive(node); - - node = que_node_get_next(node); - } -} - -/**********************************************************************//** -Frees a query graph, but not the heap where it was created. Does not free -explicit cursor declarations, they are freed in que_graph_free. */ -UNIV_INTERN -void -que_graph_free_recursive( -/*=====================*/ - que_node_t* node) /*!< in: query graph node */ -{ - que_fork_t* fork; - que_thr_t* thr; - undo_node_t* undo; - sel_node_t* sel; - ins_node_t* ins; - upd_node_t* upd; - tab_node_t* cre_tab; - ind_node_t* cre_ind; - purge_node_t* purge; - - if (node == NULL) { - - return; - } - - switch (que_node_get_type(node)) { - - case QUE_NODE_FORK: - fork = node; - - thr = UT_LIST_GET_FIRST(fork->thrs); - - while (thr) { - que_graph_free_recursive(thr); - - thr = UT_LIST_GET_NEXT(thrs, thr); - } - - break; - case QUE_NODE_THR: - - thr = node; - - if (thr->magic_n != QUE_THR_MAGIC_N) { - fprintf(stderr, - "que_thr struct appears corrupt;" - " magic n %lu\n", - (unsigned long) thr->magic_n); - mem_analyze_corruption(thr); - ut_error; - } - - thr->magic_n = QUE_THR_MAGIC_FREED; - - que_graph_free_recursive(thr->child); - - break; - case QUE_NODE_UNDO: - - undo = node; - - mem_heap_free(undo->heap); - - break; - case QUE_NODE_SELECT: - - sel = node; - - sel_node_free_private(sel); - - break; - case QUE_NODE_INSERT: - - ins = node; - - que_graph_free_recursive(ins->select); - - mem_heap_free(ins->entry_sys_heap); - - break; - case QUE_NODE_PURGE: - purge = node; - - mem_heap_free(purge->heap); - - break; - - case QUE_NODE_UPDATE: - - upd = node; - - if (upd->in_mysql_interface) { - - btr_pcur_free_for_mysql(upd->pcur); - } - - que_graph_free_recursive(upd->cascade_node); - - if (upd->cascade_heap) { - mem_heap_free(upd->cascade_heap); - } - - que_graph_free_recursive(upd->select); - - mem_heap_free(upd->heap); - - break; - case QUE_NODE_CREATE_TABLE: - cre_tab = node; - - que_graph_free_recursive(cre_tab->tab_def); - que_graph_free_recursive(cre_tab->col_def); - que_graph_free_recursive(cre_tab->commit_node); - - mem_heap_free(cre_tab->heap); - - break; - case QUE_NODE_CREATE_INDEX: - cre_ind = node; - - que_graph_free_recursive(cre_ind->ind_def); - que_graph_free_recursive(cre_ind->field_def); - que_graph_free_recursive(cre_ind->commit_node); - - mem_heap_free(cre_ind->heap); - - break; - case QUE_NODE_PROC: - que_graph_free_stat_list(((proc_node_t*)node)->stat_list); - - break; - case QUE_NODE_IF: - que_graph_free_stat_list(((if_node_t*)node)->stat_list); - que_graph_free_stat_list(((if_node_t*)node)->else_part); - que_graph_free_stat_list(((if_node_t*)node)->elsif_list); - - break; - case QUE_NODE_ELSIF: - que_graph_free_stat_list(((elsif_node_t*)node)->stat_list); - - break; - case QUE_NODE_WHILE: - que_graph_free_stat_list(((while_node_t*)node)->stat_list); - - break; - case QUE_NODE_FOR: - que_graph_free_stat_list(((for_node_t*)node)->stat_list); - - break; - - case QUE_NODE_ASSIGNMENT: - case QUE_NODE_EXIT: - case QUE_NODE_RETURN: - case QUE_NODE_COMMIT: - case QUE_NODE_ROLLBACK: - case QUE_NODE_LOCK: - case QUE_NODE_FUNC: - case QUE_NODE_ORDER: - case QUE_NODE_ROW_PRINTF: - case QUE_NODE_OPEN: - case QUE_NODE_FETCH: - /* No need to do anything */ - - break; - default: - fprintf(stderr, - "que_node struct appears corrupt; type %lu\n", - (unsigned long) que_node_get_type(node)); - mem_analyze_corruption(node); - ut_error; - } -} - -/**********************************************************************//** -Frees a query graph. */ -UNIV_INTERN -void -que_graph_free( -/*===========*/ - que_t* graph) /*!< in: query graph; we assume that the memory - heap where this graph was created is private - to this graph: if not, then use - que_graph_free_recursive and free the heap - afterwards! */ -{ - ut_ad(graph); - - if (graph->sym_tab) { - /* The following call frees dynamic memory allocated - for variables etc. during execution. Frees also explicit - cursor definitions. */ - - sym_tab_free_private(graph->sym_tab); - } - - if (graph->info && graph->info->graph_owns_us) { - pars_info_free(graph->info); - } - - que_graph_free_recursive(graph); - - mem_heap_free(graph->heap); -} - -/****************************************************************//** -Performs an execution step on a thr node. -@return query thread to run next, or NULL if none */ -static -que_thr_t* -que_thr_node_step( -/*==============*/ - que_thr_t* thr) /*!< in: query thread where run_node must - be the thread node itself */ -{ - ut_ad(thr->run_node == thr); - - if (thr->prev_node == thr->common.parent) { - /* If control to the node came from above, it is just passed - on */ - - thr->run_node = thr->child; - - return(thr); - } - - mutex_enter(&kernel_mutex); - - if (que_thr_peek_stop(thr)) { - - mutex_exit(&kernel_mutex); - - return(thr); - } - - /* Thread execution completed */ - - thr->state = QUE_THR_COMPLETED; - - mutex_exit(&kernel_mutex); - - return(NULL); -} - -/**********************************************************************//** -Moves a thread from another state to the QUE_THR_RUNNING state. Increments -the n_active_thrs counters of the query graph and transaction if thr was -not active. -***NOTE***: This and ..._mysql are the only functions in which such a -transition is allowed to happen! */ -static -void -que_thr_move_to_run_state( -/*======================*/ - que_thr_t* thr) /*!< in: an query thread */ -{ - trx_t* trx; - - ut_ad(thr->state != QUE_THR_RUNNING); - - trx = thr_get_trx(thr); - - if (!thr->is_active) { - - (thr->graph)->n_active_thrs++; - - trx->n_active_thrs++; - - thr->is_active = TRUE; - - ut_ad((thr->graph)->n_active_thrs == 1); - ut_ad(trx->n_active_thrs == 1); - } - - thr->state = QUE_THR_RUNNING; -} - -/**********************************************************************//** -Decrements the query thread reference counts in the query graph and the -transaction. May start signal handling, e.g., a rollback. -*** NOTE ***: -This and que_thr_stop_for_mysql are the only functions where the reference -count can be decremented and this function may only be called from inside -que_run_threads or que_thr_check_if_switch! These restrictions exist to make -the rollback code easier to maintain. */ -static -void -que_thr_dec_refer_count( -/*====================*/ - que_thr_t* thr, /*!< in: query thread */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -{ - que_fork_t* fork; - trx_t* trx; - ulint fork_type; - ibool stopped; - - fork = thr->common.parent; - trx = thr_get_trx(thr); - - mutex_enter(&kernel_mutex); - - ut_a(thr->is_active); - - if (thr->state == QUE_THR_RUNNING) { - - stopped = que_thr_stop(thr); - - if (!stopped) { - /* The reason for the thr suspension or wait was - already canceled before we came here: continue - running the thread */ - - /* fputs("!!!!!!!! Wait already ended: continue thr\n", - stderr); */ - - if (next_thr && *next_thr == NULL) { - /* Normally srv_suspend_mysql_thread resets - the state to DB_SUCCESS before waiting, but - in this case we have to do it here, - otherwise nobody does it. */ - trx->error_state = DB_SUCCESS; - - *next_thr = thr; - } else { - ut_error; - srv_que_task_enqueue_low(thr); - } - - mutex_exit(&kernel_mutex); - - return; - } - } - - ut_ad(fork->n_active_thrs == 1); - ut_ad(trx->n_active_thrs == 1); - - fork->n_active_thrs--; - trx->n_active_thrs--; - - thr->is_active = FALSE; - - if (trx->n_active_thrs > 0) { - - mutex_exit(&kernel_mutex); - - return; - } - - fork_type = fork->fork_type; - - /* Check if all query threads in the same fork are completed */ - - if (que_fork_all_thrs_in_state(fork, QUE_THR_COMPLETED)) { - - switch (fork_type) { - case QUE_FORK_ROLLBACK: - /* This is really the undo graph used in rollback, - no roll_node in this graph */ - - ut_ad(UT_LIST_GET_LEN(trx->signals) > 0); - ut_ad(trx->handling_signals == TRUE); - - trx_finish_rollback_off_kernel(fork, trx, next_thr); - break; - - case QUE_FORK_PURGE: - case QUE_FORK_RECOVERY: - case QUE_FORK_MYSQL_INTERFACE: - - /* Do nothing */ - break; - - default: - ut_error; /*!< not used in MySQL */ - } - } - - if (UT_LIST_GET_LEN(trx->signals) > 0 && trx->n_active_thrs == 0) { - - /* If the trx is signaled and its query thread count drops to - zero, then we start processing a signal; from it we may get - a new query thread to run */ - - trx_sig_start_handle(trx, next_thr); - } - - if (trx->handling_signals && UT_LIST_GET_LEN(trx->signals) == 0) { - - trx_end_signal_handling(trx); - } - - mutex_exit(&kernel_mutex); -} - -/**********************************************************************//** -Stops a query thread if graph or trx is in a state requiring it. The -conditions are tested in the order (1) graph, (2) trx. The kernel mutex has -to be reserved. -@return TRUE if stopped */ -UNIV_INTERN -ibool -que_thr_stop( -/*=========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - que_t* graph; - ibool ret = TRUE; - - ut_ad(mutex_own(&kernel_mutex)); - - graph = thr->graph; - trx = graph->trx; - - if (graph->state == QUE_FORK_COMMAND_WAIT) { - thr->state = QUE_THR_SUSPENDED; - - } else if (trx->que_state == TRX_QUE_LOCK_WAIT) { - - UT_LIST_ADD_FIRST(trx_thrs, trx->wait_thrs, thr); - thr->state = QUE_THR_LOCK_WAIT; - - } else if (trx->error_state != DB_SUCCESS - && trx->error_state != DB_LOCK_WAIT) { - - /* Error handling built for the MySQL interface */ - thr->state = QUE_THR_COMPLETED; - - } else if (UT_LIST_GET_LEN(trx->signals) > 0 - && graph->fork_type != QUE_FORK_ROLLBACK) { - - thr->state = QUE_THR_SUSPENDED; - } else { - ut_ad(graph->state == QUE_FORK_ACTIVE); - - ret = FALSE; - } - - return(ret); -} - -/**********************************************************************//** -A patch for MySQL used to 'stop' a dummy query thread used in MySQL. The -query thread is stopped and made inactive, except in the case where -it was put to the lock wait state in lock0lock.c, but the lock has already -been granted or the transaction chosen as a victim in deadlock resolution. */ -UNIV_INTERN -void -que_thr_stop_for_mysql( -/*===================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - - trx = thr_get_trx(thr); - - mutex_enter(&kernel_mutex); - - if (thr->state == QUE_THR_RUNNING) { - - if (trx->error_state != DB_SUCCESS - && trx->error_state != DB_LOCK_WAIT) { - - /* Error handling built for the MySQL interface */ - thr->state = QUE_THR_COMPLETED; - } else { - /* It must have been a lock wait but the lock was - already released, or this transaction was chosen - as a victim in selective deadlock resolution */ - - mutex_exit(&kernel_mutex); - - return; - } - } - - ut_ad(thr->is_active == TRUE); - ut_ad(trx->n_active_thrs == 1); - ut_ad(thr->graph->n_active_thrs == 1); - - thr->is_active = FALSE; - (thr->graph)->n_active_thrs--; - - trx->n_active_thrs--; - - mutex_exit(&kernel_mutex); -} - -/**********************************************************************//** -Moves a thread from another state to the QUE_THR_RUNNING state. Increments -the n_active_thrs counters of the query graph and transaction if thr was -not active. */ -UNIV_INTERN -void -que_thr_move_to_run_state_for_mysql( -/*================================*/ - que_thr_t* thr, /*!< in: an query thread */ - trx_t* trx) /*!< in: transaction */ -{ - if (thr->magic_n != QUE_THR_MAGIC_N) { - fprintf(stderr, - "que_thr struct appears corrupt; magic n %lu\n", - (unsigned long) thr->magic_n); - - mem_analyze_corruption(thr); - - ut_error; - } - - if (!thr->is_active) { - - thr->graph->n_active_thrs++; - - trx->n_active_thrs++; - - thr->is_active = TRUE; - } - - thr->state = QUE_THR_RUNNING; -} - -/**********************************************************************//** -A patch for MySQL used to 'stop' a dummy query thread used in MySQL -select, when there is no error or lock wait. */ -UNIV_INTERN -void -que_thr_stop_for_mysql_no_error( -/*============================*/ - que_thr_t* thr, /*!< in: query thread */ - trx_t* trx) /*!< in: transaction */ -{ - ut_ad(thr->state == QUE_THR_RUNNING); - ut_ad(thr->is_active == TRUE); - ut_ad(trx->n_active_thrs == 1); - ut_ad(thr->graph->n_active_thrs == 1); - - if (thr->magic_n != QUE_THR_MAGIC_N) { - fprintf(stderr, - "que_thr struct appears corrupt; magic n %lu\n", - (unsigned long) thr->magic_n); - - mem_analyze_corruption(thr); - - ut_error; - } - - thr->state = QUE_THR_COMPLETED; - - thr->is_active = FALSE; - (thr->graph)->n_active_thrs--; - - trx->n_active_thrs--; -} - -/****************************************************************//** -Get the first containing loop node (e.g. while_node_t or for_node_t) for the -given node, or NULL if the node is not within a loop. -@return containing loop node, or NULL. */ -UNIV_INTERN -que_node_t* -que_node_get_containing_loop_node( -/*==============================*/ - que_node_t* node) /*!< in: node */ -{ - ut_ad(node); - - for (;;) { - ulint type; - - node = que_node_get_parent(node); - - if (!node) { - break; - } - - type = que_node_get_type(node); - - if ((type == QUE_NODE_FOR) || (type == QUE_NODE_WHILE)) { - break; - } - } - - return(node); -} - -/**********************************************************************//** -Prints info of an SQL query graph node. */ -UNIV_INTERN -void -que_node_print_info( -/*================*/ - que_node_t* node) /*!< in: query graph node */ -{ - ulint type; - const char* str; - - type = que_node_get_type(node); - - if (type == QUE_NODE_SELECT) { - str = "SELECT"; - } else if (type == QUE_NODE_INSERT) { - str = "INSERT"; - } else if (type == QUE_NODE_UPDATE) { - str = "UPDATE"; - } else if (type == QUE_NODE_WHILE) { - str = "WHILE"; - } else if (type == QUE_NODE_ASSIGNMENT) { - str = "ASSIGNMENT"; - } else if (type == QUE_NODE_IF) { - str = "IF"; - } else if (type == QUE_NODE_FETCH) { - str = "FETCH"; - } else if (type == QUE_NODE_OPEN) { - str = "OPEN"; - } else if (type == QUE_NODE_PROC) { - str = "STORED PROCEDURE"; - } else if (type == QUE_NODE_FUNC) { - str = "FUNCTION"; - } else if (type == QUE_NODE_LOCK) { - str = "LOCK"; - } else if (type == QUE_NODE_THR) { - str = "QUERY THREAD"; - } else if (type == QUE_NODE_COMMIT) { - str = "COMMIT"; - } else if (type == QUE_NODE_UNDO) { - str = "UNDO ROW"; - } else if (type == QUE_NODE_PURGE) { - str = "PURGE ROW"; - } else if (type == QUE_NODE_ROLLBACK) { - str = "ROLLBACK"; - } else if (type == QUE_NODE_CREATE_TABLE) { - str = "CREATE TABLE"; - } else if (type == QUE_NODE_CREATE_INDEX) { - str = "CREATE INDEX"; - } else if (type == QUE_NODE_FOR) { - str = "FOR LOOP"; - } else if (type == QUE_NODE_RETURN) { - str = "RETURN"; - } else if (type == QUE_NODE_EXIT) { - str = "EXIT"; - } else { - str = "UNKNOWN NODE TYPE"; - } - - fprintf(stderr, "Node type %lu: %s, address %p\n", - (ulong) type, str, (void*) node); -} - -/**********************************************************************//** -Performs an execution step on a query thread. -@return query thread to run next: it may differ from the input -parameter if, e.g., a subprocedure call is made */ -UNIV_INLINE -que_thr_t* -que_thr_step( -/*=========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - que_node_t* node; - que_thr_t* old_thr; - trx_t* trx; - ulint type; - - trx = thr_get_trx(thr); - - ut_ad(thr->state == QUE_THR_RUNNING); - ut_a(trx->error_state == DB_SUCCESS); - - thr->resource++; - - node = thr->run_node; - type = que_node_get_type(node); - - old_thr = thr; - -#ifdef UNIV_DEBUG - if (que_trace_on) { - fputs("To execute: ", stderr); - que_node_print_info(node); - } -#endif - if (type & QUE_NODE_CONTROL_STAT) { - if ((thr->prev_node != que_node_get_parent(node)) - && que_node_get_next(thr->prev_node)) { - - /* The control statements, like WHILE, always pass the - control to the next child statement if there is any - child left */ - - thr->run_node = que_node_get_next(thr->prev_node); - - } else if (type == QUE_NODE_IF) { - if_step(thr); - } else if (type == QUE_NODE_FOR) { - for_step(thr); - } else if (type == QUE_NODE_PROC) { - - /* We can access trx->undo_no without reserving - trx->undo_mutex, because there cannot be active query - threads doing updating or inserting at the moment! */ - - if (thr->prev_node == que_node_get_parent(node)) { - trx->last_sql_stat_start.least_undo_no - = trx->undo_no; - } - - proc_step(thr); - } else if (type == QUE_NODE_WHILE) { - while_step(thr); - } else { - ut_error; - } - } else if (type == QUE_NODE_ASSIGNMENT) { - assign_step(thr); - } else if (type == QUE_NODE_SELECT) { - thr = row_sel_step(thr); - } else if (type == QUE_NODE_INSERT) { - thr = row_ins_step(thr); - } else if (type == QUE_NODE_UPDATE) { - thr = row_upd_step(thr); - } else if (type == QUE_NODE_FETCH) { - thr = fetch_step(thr); - } else if (type == QUE_NODE_OPEN) { - thr = open_step(thr); - } else if (type == QUE_NODE_FUNC) { - proc_eval_step(thr); - - } else if (type == QUE_NODE_LOCK) { - - ut_error; - /* - thr = que_lock_step(thr); - */ - } else if (type == QUE_NODE_THR) { - thr = que_thr_node_step(thr); - } else if (type == QUE_NODE_COMMIT) { - thr = trx_commit_step(thr); - } else if (type == QUE_NODE_UNDO) { - thr = row_undo_step(thr); - } else if (type == QUE_NODE_PURGE) { - thr = row_purge_step(thr); - } else if (type == QUE_NODE_RETURN) { - thr = return_step(thr); - } else if (type == QUE_NODE_EXIT) { - thr = exit_step(thr); - } else if (type == QUE_NODE_ROLLBACK) { - thr = trx_rollback_step(thr); - } else if (type == QUE_NODE_CREATE_TABLE) { - thr = dict_create_table_step(thr); - } else if (type == QUE_NODE_CREATE_INDEX) { - thr = dict_create_index_step(thr); - } else if (type == QUE_NODE_ROW_PRINTF) { - thr = row_printf_step(thr); - } else { - ut_error; - } - - if (type == QUE_NODE_EXIT) { - old_thr->prev_node = que_node_get_containing_loop_node(node); - } else { - old_thr->prev_node = node; - } - - if (thr) { - ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); - } - - return(thr); -} - -/**********************************************************************//** -Run a query thread until it finishes or encounters e.g. a lock wait. */ -static -void -que_run_threads_low( -/*================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - que_thr_t* next_thr; - ulint cumul_resource; - ulint loop_count; - - ut_ad(thr->state == QUE_THR_RUNNING); - ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); - ut_ad(!mutex_own(&kernel_mutex)); - - /* cumul_resource counts how much resources the OS thread (NOT the - query thread) has spent in this function */ - - loop_count = QUE_MAX_LOOPS_WITHOUT_CHECK; - cumul_resource = 0; -loop: - /* Check that there is enough space in the log to accommodate - possible log entries by this query step; if the operation can touch - more than about 4 pages, checks must be made also within the query - step! */ - - log_free_check(); - - /* Perform the actual query step: note that the query thread - may change if, e.g., a subprocedure call is made */ - - /*-------------------------*/ - next_thr = que_thr_step(thr); - /*-------------------------*/ - - ut_a(!next_thr || (thr_get_trx(next_thr)->error_state == DB_SUCCESS)); - - loop_count++; - - if (next_thr != thr) { - ut_a(next_thr == NULL); - - /* This can change next_thr to a non-NULL value if there was - a lock wait that already completed. */ - que_thr_dec_refer_count(thr, &next_thr); - - if (next_thr == NULL) { - - return; - } - - loop_count = QUE_MAX_LOOPS_WITHOUT_CHECK; - - thr = next_thr; - } - - goto loop; -} - -/**********************************************************************//** -Run a query thread. Handles lock waits. */ -UNIV_INTERN -void -que_run_threads( -/*============*/ - que_thr_t* thr) /*!< in: query thread */ -{ -loop: - ut_a(thr_get_trx(thr)->error_state == DB_SUCCESS); - que_run_threads_low(thr); - - mutex_enter(&kernel_mutex); - - switch (thr->state) { - - case QUE_THR_RUNNING: - /* There probably was a lock wait, but it already ended - before we came here: continue running thr */ - - mutex_exit(&kernel_mutex); - - goto loop; - - case QUE_THR_LOCK_WAIT: - mutex_exit(&kernel_mutex); - - /* The ..._mysql_... function works also for InnoDB's - internal threads. Let us wait that the lock wait ends. */ - - srv_suspend_mysql_thread(thr); - - if (thr_get_trx(thr)->error_state != DB_SUCCESS) { - /* thr was chosen as a deadlock victim or there was - a lock wait timeout */ - - que_thr_dec_refer_count(thr, NULL); - - return; - } - - goto loop; - - case QUE_THR_COMPLETED: - case QUE_THR_COMMAND_WAIT: - /* Do nothing */ - break; - - default: - ut_error; - } - - mutex_exit(&kernel_mutex); -} - -/*********************************************************************//** -Evaluate the given SQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -que_eval_sql( -/*=========*/ - pars_info_t* info, /*!< in: info struct, or NULL */ - const char* sql, /*!< in: SQL string */ - ibool reserve_dict_mutex, - /*!< in: if TRUE, acquire/release - dict_sys->mutex around call to pars_sql. */ - trx_t* trx) /*!< in: trx */ -{ - que_thr_t* thr; - que_t* graph; - - ut_a(trx->error_state == DB_SUCCESS); - - if (reserve_dict_mutex) { - mutex_enter(&dict_sys->mutex); - } - - graph = pars_sql(info, sql); - - if (reserve_dict_mutex) { - mutex_exit(&dict_sys->mutex); - } - - ut_a(graph); - - graph->trx = trx; - trx->graph = NULL; - - graph->fork_type = QUE_FORK_MYSQL_INTERFACE; - - ut_a(thr = que_fork_start_command(graph)); - - que_run_threads(thr); - - que_graph_free(graph); - - return(trx->error_state); -} diff --git a/perfschema/read/read0read.c b/perfschema/read/read0read.c deleted file mode 100644 index 85adae4ddff..00000000000 --- a/perfschema/read/read0read.c +++ /dev/null @@ -1,540 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file read/read0read.c -Cursor read - -Created 2/16/1997 Heikki Tuuri -*******************************************************/ - -#include "read0read.h" - -#ifdef UNIV_NONINL -#include "read0read.ic" -#endif - -#include "srv0srv.h" -#include "trx0sys.h" - -/* -------------------------------------------------------------------------------- -FACT A: Cursor read view on a secondary index sees only committed versions -------- -of the records in the secondary index or those versions of rows created -by transaction which created a cursor before cursor was created even -if transaction which created the cursor has changed that clustered index page. - -PROOF: We must show that read goes always to the clustered index record -to see that record is visible in the cursor read view. Consider e.g. -following table and SQL-clauses: - -create table t1(a int not null, b int, primary key(a), index(b)); -insert into t1 values (1,1),(2,2); -commit; - -Now consider that we have a cursor for a query - -select b from t1 where b >= 1; - -This query will use secondary key on the table t1. Now after the first fetch -on this cursor if we do a update: - -update t1 set b = 5 where b = 2; - -Now second fetch of the cursor should not see record (2,5) instead it should -see record (2,2). - -We also should show that if we have delete t1 where b = 5; we still -can see record (2,2). - -When we access a secondary key record maximum transaction id is fetched -from this record and this trx_id is compared to up_limit_id in the view. -If trx_id in the record is greater or equal than up_limit_id in the view -cluster record is accessed. Because trx_id of the creating -transaction is stored when this view was created to the list of -trx_ids not seen by this read view previous version of the -record is requested to be built. This is build using clustered record. -If the secondary key record is delete marked it's corresponding -clustered record can be already be purged only if records -trx_id < low_limit_no. Purge can't remove any record deleted by a -transaction which was active when cursor was created. But, we still -may have a deleted secondary key record but no clustered record. But, -this is not a problem because this case is handled in -row_sel_get_clust_rec() function which is called -whenever we note that this read view does not see trx_id in the -record. Thus, we see correct version. Q. E. D. - -------------------------------------------------------------------------------- -FACT B: Cursor read view on a clustered index sees only committed versions -------- -of the records in the clustered index or those versions of rows created -by transaction which created a cursor before cursor was created even -if transaction which created the cursor has changed that clustered index page. - -PROOF: Consider e.g.following table and SQL-clauses: - -create table t1(a int not null, b int, primary key(a)); -insert into t1 values (1),(2); -commit; - -Now consider that we have a cursor for a query - -select a from t1 where a >= 1; - -This query will use clustered key on the table t1. Now after the first fetch -on this cursor if we do a update: - -update t1 set a = 5 where a = 2; - -Now second fetch of the cursor should not see record (5) instead it should -see record (2). - -We also should show that if we have execute delete t1 where a = 5; after -the cursor is opened we still can see record (2). - -When accessing clustered record we always check if this read view sees -trx_id stored to clustered record. By default we don't see any changes -if record trx_id >= low_limit_id i.e. change was made transaction -which started after transaction which created the cursor. If row -was changed by the future transaction a previous version of the -clustered record is created. Thus we see only committed version in -this case. We see all changes made by committed transactions i.e. -record trx_id < up_limit_id. In this case we don't need to do anything, -we already see correct version of the record. We don't see any changes -made by active transaction except creating transaction. We have stored -trx_id of creating transaction to list of trx_ids when this view was -created. Thus we can easily see if this record was changed by the -creating transaction. Because we already have clustered record we can -access roll_ptr. Using this roll_ptr we can fetch undo record. -We can now check that undo_no of the undo record is less than undo_no of the -trancaction which created a view when cursor was created. We see this -clustered record only in case when record undo_no is less than undo_no -in the view. If this is not true we build based on undo_rec previous -version of the record. This record is found because purge can't remove -records accessed by active transaction. Thus we see correct version. Q. E. D. -------------------------------------------------------------------------------- -FACT C: Purge does not remove any delete marked row that is visible -------- -to cursor view. - -TODO: proof this - -*/ - -/*********************************************************************//** -Creates a read view object. -@return own: read view struct */ -UNIV_INLINE -read_view_t* -read_view_create_low( -/*=================*/ - ulint n, /*!< in: number of cells in the trx_ids array */ - mem_heap_t* heap) /*!< in: memory heap from which allocated */ -{ - read_view_t* view; - - view = mem_heap_alloc(heap, sizeof(read_view_t)); - - view->n_trx_ids = n; - view->trx_ids = mem_heap_alloc(heap, n * sizeof *view->trx_ids); - - return(view); -} - -/*********************************************************************//** -Makes a copy of the oldest existing read view, with the exception that also -the creating trx of the oldest view is set as not visible in the 'copied' -view. Opens a new view if no views currently exist. The view must be closed -with ..._close. This is used in purge. -@return own: read view struct */ -UNIV_INTERN -read_view_t* -read_view_oldest_copy_or_open_new( -/*==============================*/ - trx_id_t cr_trx_id, /*!< in: trx_id of creating - transaction, or ut_dulint_zero - used in purge */ - mem_heap_t* heap) /*!< in: memory heap from which - allocated */ -{ - read_view_t* old_view; - read_view_t* view_copy; - ibool needs_insert = TRUE; - ulint insert_done = 0; - ulint n; - ulint i; - - ut_ad(mutex_own(&kernel_mutex)); - - old_view = UT_LIST_GET_LAST(trx_sys->view_list); - - if (old_view == NULL) { - - return(read_view_open_now(cr_trx_id, heap)); - } - - n = old_view->n_trx_ids; - - if (!ut_dulint_is_zero(old_view->creator_trx_id)) { - n++; - } else { - needs_insert = FALSE; - } - - view_copy = read_view_create_low(n, heap); - - /* Insert the id of the creator in the right place of the descending - array of ids, if needs_insert is TRUE: */ - - i = 0; - while (i < n) { - if (needs_insert - && (i >= old_view->n_trx_ids - || ut_dulint_cmp(old_view->creator_trx_id, - read_view_get_nth_trx_id(old_view, i)) - > 0)) { - - read_view_set_nth_trx_id(view_copy, i, - old_view->creator_trx_id); - needs_insert = FALSE; - insert_done = 1; - } else { - read_view_set_nth_trx_id(view_copy, i, - read_view_get_nth_trx_id( - old_view, - i - insert_done)); - } - - i++; - } - - view_copy->creator_trx_id = cr_trx_id; - - view_copy->low_limit_no = old_view->low_limit_no; - view_copy->low_limit_id = old_view->low_limit_id; - - - if (n > 0) { - /* The last active transaction has the smallest id: */ - view_copy->up_limit_id = read_view_get_nth_trx_id( - view_copy, n - 1); - } else { - view_copy->up_limit_id = old_view->up_limit_id; - } - - UT_LIST_ADD_LAST(view_list, trx_sys->view_list, view_copy); - - return(view_copy); -} - -/*********************************************************************//** -Opens a read view where exactly the transactions serialized before this -point in time are seen in the view. -@return own: read view struct */ -UNIV_INTERN -read_view_t* -read_view_open_now( -/*===============*/ - trx_id_t cr_trx_id, /*!< in: trx_id of creating - transaction, or ut_dulint_zero - used in purge */ - mem_heap_t* heap) /*!< in: memory heap from which - allocated */ -{ - read_view_t* view; - trx_t* trx; - ulint n; - - ut_ad(mutex_own(&kernel_mutex)); - - view = read_view_create_low(UT_LIST_GET_LEN(trx_sys->trx_list), heap); - - view->creator_trx_id = cr_trx_id; - view->type = VIEW_NORMAL; - view->undo_no = ut_dulint_zero; - - /* No future transactions should be visible in the view */ - - view->low_limit_no = trx_sys->max_trx_id; - view->low_limit_id = view->low_limit_no; - - n = 0; - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - /* No active transaction should be visible, except cr_trx */ - - while (trx) { - if (ut_dulint_cmp(trx->id, cr_trx_id) != 0 - && (trx->conc_state == TRX_ACTIVE - || trx->conc_state == TRX_PREPARED)) { - - read_view_set_nth_trx_id(view, n, trx->id); - - n++; - - /* NOTE that a transaction whose trx number is < - trx_sys->max_trx_id can still be active, if it is - in the middle of its commit! Note that when a - transaction starts, we initialize trx->no to - ut_dulint_max. */ - - if (ut_dulint_cmp(view->low_limit_no, trx->no) > 0) { - - view->low_limit_no = trx->no; - } - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - view->n_trx_ids = n; - - if (n > 0) { - /* The last active transaction has the smallest id: */ - view->up_limit_id = read_view_get_nth_trx_id(view, n - 1); - } else { - view->up_limit_id = view->low_limit_id; - } - - - UT_LIST_ADD_FIRST(view_list, trx_sys->view_list, view); - - return(view); -} - -/*********************************************************************//** -Closes a read view. */ -UNIV_INTERN -void -read_view_close( -/*============*/ - read_view_t* view) /*!< in: read view */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - UT_LIST_REMOVE(view_list, trx_sys->view_list, view); -} - -/*********************************************************************//** -Closes a consistent read view for MySQL. This function is called at an SQL -statement end if the trx isolation level is <= TRX_ISO_READ_COMMITTED. */ -UNIV_INTERN -void -read_view_close_for_mysql( -/*======================*/ - trx_t* trx) /*!< in: trx which has a read view */ -{ - ut_a(trx->global_read_view); - - mutex_enter(&kernel_mutex); - - read_view_close(trx->global_read_view); - - mem_heap_empty(trx->global_read_view_heap); - - trx->read_view = NULL; - trx->global_read_view = NULL; - - mutex_exit(&kernel_mutex); -} - -/*********************************************************************//** -Prints a read view to stderr. */ -UNIV_INTERN -void -read_view_print( -/*============*/ - const read_view_t* view) /*!< in: read view */ -{ - ulint n_ids; - ulint i; - - if (view->type == VIEW_HIGH_GRANULARITY) { - fprintf(stderr, - "High-granularity read view undo_n:o %lu %lu\n", - (ulong) ut_dulint_get_high(view->undo_no), - (ulong) ut_dulint_get_low(view->undo_no)); - } else { - fprintf(stderr, "Normal read view\n"); - } - - fprintf(stderr, "Read view low limit trx n:o %lu %lu\n", - (ulong) ut_dulint_get_high(view->low_limit_no), - (ulong) ut_dulint_get_low(view->low_limit_no)); - - fprintf(stderr, "Read view up limit trx id " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(view->up_limit_id)); - - fprintf(stderr, "Read view low limit trx id " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(view->low_limit_id)); - - fprintf(stderr, "Read view individually stored trx ids:\n"); - - n_ids = view->n_trx_ids; - - for (i = 0; i < n_ids; i++) { - fprintf(stderr, "Read view trx id " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF( - read_view_get_nth_trx_id(view, i))); - } -} - -/*********************************************************************//** -Create a high-granularity consistent cursor view for mysql to be used -in cursors. In this consistent read view modifications done by the -creating transaction after the cursor is created or future transactions -are not visible. */ -UNIV_INTERN -cursor_view_t* -read_cursor_view_create_for_mysql( -/*==============================*/ - trx_t* cr_trx) /*!< in: trx where cursor view is created */ -{ - cursor_view_t* curview; - read_view_t* view; - mem_heap_t* heap; - trx_t* trx; - ulint n; - - ut_a(cr_trx); - - /* Use larger heap than in trx_create when creating a read_view - because cursors are quite long. */ - - heap = mem_heap_create(512); - - curview = (cursor_view_t*) mem_heap_alloc(heap, sizeof(cursor_view_t)); - curview->heap = heap; - - /* Drop cursor tables from consideration when evaluating the need of - auto-commit */ - curview->n_mysql_tables_in_use = cr_trx->n_mysql_tables_in_use; - cr_trx->n_mysql_tables_in_use = 0; - - mutex_enter(&kernel_mutex); - - curview->read_view = read_view_create_low( - UT_LIST_GET_LEN(trx_sys->trx_list), curview->heap); - - view = curview->read_view; - view->creator_trx_id = cr_trx->id; - view->type = VIEW_HIGH_GRANULARITY; - view->undo_no = cr_trx->undo_no; - - /* No future transactions should be visible in the view */ - - view->low_limit_no = trx_sys->max_trx_id; - view->low_limit_id = view->low_limit_no; - - n = 0; - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - /* No active transaction should be visible */ - - while (trx) { - - if (trx->conc_state == TRX_ACTIVE - || trx->conc_state == TRX_PREPARED) { - - read_view_set_nth_trx_id(view, n, trx->id); - - n++; - - /* NOTE that a transaction whose trx number is < - trx_sys->max_trx_id can still be active, if it is - in the middle of its commit! Note that when a - transaction starts, we initialize trx->no to - ut_dulint_max. */ - - if (ut_dulint_cmp(view->low_limit_no, trx->no) > 0) { - - view->low_limit_no = trx->no; - } - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - view->n_trx_ids = n; - - if (n > 0) { - /* The last active transaction has the smallest id: */ - view->up_limit_id = read_view_get_nth_trx_id(view, n - 1); - } else { - view->up_limit_id = view->low_limit_id; - } - - UT_LIST_ADD_FIRST(view_list, trx_sys->view_list, view); - - mutex_exit(&kernel_mutex); - - return(curview); -} - -/*********************************************************************//** -Close a given consistent cursor view for mysql and restore global read view -back to a transaction read view. */ -UNIV_INTERN -void -read_cursor_view_close_for_mysql( -/*=============================*/ - trx_t* trx, /*!< in: trx */ - cursor_view_t* curview)/*!< in: cursor view to be closed */ -{ - ut_a(curview); - ut_a(curview->read_view); - ut_a(curview->heap); - - /* Add cursor's tables to the global count of active tables that - belong to this transaction */ - trx->n_mysql_tables_in_use += curview->n_mysql_tables_in_use; - - mutex_enter(&kernel_mutex); - - read_view_close(curview->read_view); - trx->read_view = trx->global_read_view; - - mutex_exit(&kernel_mutex); - - mem_heap_free(curview->heap); -} - -/*********************************************************************//** -This function sets a given consistent cursor view to a transaction -read view if given consistent cursor view is not NULL. Otherwise, function -restores a global read view to a transaction read view. */ -UNIV_INTERN -void -read_cursor_set_for_mysql( -/*======================*/ - trx_t* trx, /*!< in: transaction where cursor is set */ - cursor_view_t* curview)/*!< in: consistent cursor view to be set */ -{ - ut_a(trx); - - mutex_enter(&kernel_mutex); - - if (UNIV_LIKELY(curview != NULL)) { - trx->read_view = curview->read_view; - } else { - trx->read_view = trx->global_read_view; - } - - mutex_exit(&kernel_mutex); -} diff --git a/perfschema/rem/rem0cmp.c b/perfschema/rem/rem0cmp.c deleted file mode 100644 index e6dab0bc66b..00000000000 --- a/perfschema/rem/rem0cmp.c +++ /dev/null @@ -1,1194 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file rem/rem0cmp.c -Comparison services for records - -Created 7/1/1994 Heikki Tuuri -************************************************************************/ - -#include "rem0cmp.h" - -#ifdef UNIV_NONINL -#include "rem0cmp.ic" -#endif - -#include "srv0srv.h" - -/* ALPHABETICAL ORDER - ================== - -The records are put into alphabetical order in the following -way: let F be the first field where two records disagree. -If there is a character in some position n where the -records disagree, the order is determined by comparison of -the characters at position n, possibly after -collating transformation. If there is no such character, -but the corresponding fields have different lengths, then -if the data type of the fields is paddable, -shorter field is padded with a padding character. If the -data type is not paddable, longer field is considered greater. -Finally, the SQL null is bigger than any other value. - -At the present, the comparison functions return 0 in the case, -where two records disagree only in the way that one -has more fields than the other. */ - -#ifdef UNIV_DEBUG -/*************************************************************//** -Used in debug checking of cmp_dtuple_... . -This function is used to compare a data tuple to a physical record. If -dtuple has n fields then rec must have either m >= n fields, or it must -differ from dtuple in some of the m fields rec has. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared */ -static -int -cmp_debug_dtuple_rec_with_match( -/*============================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record which differs from - dtuple in some of the common fields, or which - has an equal number or more fields than - dtuple */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields);/*!< in/out: number of already - completely matched fields; when function - returns, contains the value for current - comparison */ -#endif /* UNIV_DEBUG */ -/*************************************************************//** -This function is used to compare two data fields for which the data type -is such that we must use MySQL code to compare them. The prototype here -must be a copy of the one in ha_innobase.cc! -@return 1, 0, -1, if a is greater, equal, less than b, respectively */ -extern -int -innobase_mysql_cmp( -/*===============*/ - int mysql_type, /*!< in: MySQL type */ - uint charset_number, /*!< in: number of the charset */ - const unsigned char* a, /*!< in: data field */ - unsigned int a_length, /*!< in: data field length, - not UNIV_SQL_NULL */ - const unsigned char* b, /*!< in: data field */ - unsigned int b_length); /*!< in: data field length, - not UNIV_SQL_NULL */ -/*********************************************************************//** -Transforms the character code so that it is ordered appropriately for the -language. This is only used for the latin1 char set. MySQL does the -comparisons for other char sets. -@return collation order position */ -UNIV_INLINE -ulint -cmp_collate( -/*========*/ - ulint code) /*!< in: code of a character stored in database record */ -{ - return((ulint) srv_latin1_ordering[code]); -} - -/*************************************************************//** -Returns TRUE if two columns are equal for comparison purposes. -@return TRUE if the columns are considered equal in comparisons */ -UNIV_INTERN -ibool -cmp_cols_are_equal( -/*===============*/ - const dict_col_t* col1, /*!< in: column 1 */ - const dict_col_t* col2, /*!< in: column 2 */ - ibool check_charsets) - /*!< in: whether to check charsets */ -{ - if (dtype_is_non_binary_string_type(col1->mtype, col1->prtype) - && dtype_is_non_binary_string_type(col2->mtype, col2->prtype)) { - - /* Both are non-binary string types: they can be compared if - and only if the charset-collation is the same */ - - if (check_charsets) { - return(dtype_get_charset_coll(col1->prtype) - == dtype_get_charset_coll(col2->prtype)); - } else { - return(TRUE); - } - } - - if (dtype_is_binary_string_type(col1->mtype, col1->prtype) - && dtype_is_binary_string_type(col2->mtype, col2->prtype)) { - - /* Both are binary string types: they can be compared */ - - return(TRUE); - } - - if (col1->mtype != col2->mtype) { - - return(FALSE); - } - - if (col1->mtype == DATA_INT - && (col1->prtype & DATA_UNSIGNED) - != (col2->prtype & DATA_UNSIGNED)) { - - /* The storage format of an unsigned integer is different - from a signed integer: in a signed integer we OR - 0x8000... to the value of positive integers. */ - - return(FALSE); - } - - return(col1->mtype != DATA_INT || col1->len == col2->len); -} - -/*************************************************************//** -Innobase uses this function to compare two data fields for which the data type -is such that we must compare whole fields or call MySQL to do the comparison -@return 1, 0, -1, if a is greater, equal, less than b, respectively */ -static -int -cmp_whole_field( -/*============*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - const byte* a, /*!< in: data field */ - unsigned int a_length, /*!< in: data field length, - not UNIV_SQL_NULL */ - const byte* b, /*!< in: data field */ - unsigned int b_length) /*!< in: data field length, - not UNIV_SQL_NULL */ -{ - float f_1; - float f_2; - double d_1; - double d_2; - int swap_flag = 1; - - switch (mtype) { - - case DATA_DECIMAL: - /* Remove preceding spaces */ - for (; a_length && *a == ' '; a++, a_length--); - for (; b_length && *b == ' '; b++, b_length--); - - if (*a == '-') { - if (*b != '-') { - return(-1); - } - - a++; b++; - a_length--; - b_length--; - - swap_flag = -1; - - } else if (*b == '-') { - - return(1); - } - - while (a_length > 0 && (*a == '+' || *a == '0')) { - a++; a_length--; - } - - while (b_length > 0 && (*b == '+' || *b == '0')) { - b++; b_length--; - } - - if (a_length != b_length) { - if (a_length < b_length) { - return(-swap_flag); - } - - return(swap_flag); - } - - while (a_length > 0 && *a == *b) { - - a++; b++; a_length--; - } - - if (a_length == 0) { - - return(0); - } - - if (*a > *b) { - return(swap_flag); - } - - return(-swap_flag); - case DATA_DOUBLE: - d_1 = mach_double_read(a); - d_2 = mach_double_read(b); - - if (d_1 > d_2) { - return(1); - } else if (d_2 > d_1) { - return(-1); - } - - return(0); - - case DATA_FLOAT: - f_1 = mach_float_read(a); - f_2 = mach_float_read(b); - - if (f_1 > f_2) { - return(1); - } else if (f_2 > f_1) { - return(-1); - } - - return(0); - case DATA_BLOB: - if (prtype & DATA_BINARY_TYPE) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: comparing a binary BLOB" - " with a character set sensitive\n" - "InnoDB: comparison!\n"); - } - /* fall through */ - case DATA_VARMYSQL: - case DATA_MYSQL: - return(innobase_mysql_cmp( - (int)(prtype & DATA_MYSQL_TYPE_MASK), - (uint)dtype_get_charset_coll(prtype), - a, a_length, b, b_length)); - default: - fprintf(stderr, - "InnoDB: unknown type number %lu\n", - (ulong) mtype); - ut_error; - } - - return(0); -} - -/*************************************************************//** -This function is used to compare two data fields for which we know the -data type. -@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */ -UNIV_INTERN -int -cmp_data_data_slow( -/*===============*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - const byte* data1, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len1, /*!< in: data field length or UNIV_SQL_NULL */ - const byte* data2, /*!< in: data field (== a pointer to a memory - buffer) */ - ulint len2) /*!< in: data field length or UNIV_SQL_NULL */ -{ - ulint data1_byte; - ulint data2_byte; - ulint cur_bytes; - - if (len1 == UNIV_SQL_NULL || len2 == UNIV_SQL_NULL) { - - if (len1 == len2) { - - return(0); - } - - if (len1 == UNIV_SQL_NULL) { - /* We define the SQL null to be the smallest possible - value of a field in the alphabetical order */ - - return(-1); - } - - return(1); - } - - if (mtype >= DATA_FLOAT - || (mtype == DATA_BLOB - && 0 == (prtype & DATA_BINARY_TYPE) - && dtype_get_charset_coll(prtype) - != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { - - return(cmp_whole_field(mtype, prtype, - data1, (unsigned) len1, - data2, (unsigned) len2)); - } - - /* Compare then the fields */ - - cur_bytes = 0; - - for (;;) { - if (len1 <= cur_bytes) { - if (len2 <= cur_bytes) { - - return(0); - } - - data1_byte = dtype_get_pad_char(mtype, prtype); - - if (data1_byte == ULINT_UNDEFINED) { - - return(-1); - } - } else { - data1_byte = *data1; - } - - if (len2 <= cur_bytes) { - data2_byte = dtype_get_pad_char(mtype, prtype); - - if (data2_byte == ULINT_UNDEFINED) { - - return(1); - } - } else { - data2_byte = *data2; - } - - if (data1_byte == data2_byte) { - /* If the bytes are equal, they will remain such even - after the collation transformation below */ - - goto next_byte; - } - - if (mtype <= DATA_CHAR - || (mtype == DATA_BLOB - && 0 == (prtype & DATA_BINARY_TYPE))) { - - data1_byte = cmp_collate(data1_byte); - data2_byte = cmp_collate(data2_byte); - } - - if (data1_byte > data2_byte) { - - return(1); - } else if (data1_byte < data2_byte) { - - return(-1); - } -next_byte: - /* Next byte */ - cur_bytes++; - data1++; - data2++; - } - - return(0); /* Not reached */ -} - -/*************************************************************//** -This function is used to compare a data tuple to a physical record. -Only dtuple->n_fields_cmp first fields are taken into account for -the data tuple! If we denote by n = n_fields_cmp, then rec must -have either m >= n fields, or it must differ from dtuple in some of -the m fields rec has. If rec has an externally stored field we do not -compare it but return with value 0 if such a comparison should be -made. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared, or until -the first externally stored field in rec */ -UNIV_INTERN -int -cmp_dtuple_rec_with_match( -/*======================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record which differs from - dtuple in some of the common fields, or which - has an equal number or more fields than - dtuple */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when function returns, - contains the value for current comparison */ - ulint* matched_bytes) /*!< in/out: number of already matched - bytes within the first field not completely - matched; when function returns, contains the - value for current comparison */ -{ - const dfield_t* dtuple_field; /* current field in logical record */ - ulint dtuple_f_len; /* the length of the current field - in the logical record */ - const byte* dtuple_b_ptr; /* pointer to the current byte in - logical field data */ - ulint dtuple_byte; /* value of current byte to be compared - in dtuple*/ - ulint rec_f_len; /* length of current field in rec */ - const byte* rec_b_ptr; /* pointer to the current byte in - rec field */ - ulint rec_byte; /* value of current byte to be - compared in rec */ - ulint cur_field; /* current field number */ - ulint cur_bytes; /* number of already matched bytes - in current field */ - int ret = 3333; /* return value */ - - ut_ad(dtuple && rec && matched_fields && matched_bytes); - ut_ad(dtuple_check_typed(dtuple)); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - cur_field = *matched_fields; - cur_bytes = *matched_bytes; - - ut_ad(cur_field <= dtuple_get_n_fields_cmp(dtuple)); - ut_ad(cur_field <= rec_offs_n_fields(offsets)); - - if (cur_bytes == 0 && cur_field == 0) { - ulint rec_info = rec_get_info_bits(rec, - rec_offs_comp(offsets)); - ulint tup_info = dtuple_get_info_bits(dtuple); - - if (UNIV_UNLIKELY(rec_info & REC_INFO_MIN_REC_FLAG)) { - ret = !(tup_info & REC_INFO_MIN_REC_FLAG); - goto order_resolved; - } else if (UNIV_UNLIKELY(tup_info & REC_INFO_MIN_REC_FLAG)) { - ret = -1; - goto order_resolved; - } - } - - /* Match fields in a loop; stop if we run out of fields in dtuple - or find an externally stored field */ - - while (cur_field < dtuple_get_n_fields_cmp(dtuple)) { - - ulint mtype; - ulint prtype; - - dtuple_field = dtuple_get_nth_field(dtuple, cur_field); - { - const dtype_t* type - = dfield_get_type(dtuple_field); - - mtype = type->mtype; - prtype = type->prtype; - } - - dtuple_f_len = dfield_get_len(dtuple_field); - - rec_b_ptr = rec_get_nth_field(rec, offsets, - cur_field, &rec_f_len); - - /* If we have matched yet 0 bytes, it may be that one or - both the fields are SQL null, or the record or dtuple may be - the predefined minimum record, or the field is externally - stored */ - - if (UNIV_LIKELY(cur_bytes == 0)) { - if (rec_offs_nth_extern(offsets, cur_field)) { - /* We do not compare to an externally - stored field */ - - ret = 0; - - goto order_resolved; - } - - if (dtuple_f_len == UNIV_SQL_NULL) { - if (rec_f_len == UNIV_SQL_NULL) { - - goto next_field; - } - - ret = -1; - goto order_resolved; - } else if (rec_f_len == UNIV_SQL_NULL) { - /* We define the SQL null to be the - smallest possible value of a field - in the alphabetical order */ - - ret = 1; - goto order_resolved; - } - } - - if (mtype >= DATA_FLOAT - || (mtype == DATA_BLOB - && 0 == (prtype & DATA_BINARY_TYPE) - && dtype_get_charset_coll(prtype) - != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { - - ret = cmp_whole_field(mtype, prtype, - dfield_get_data(dtuple_field), - (unsigned) dtuple_f_len, - rec_b_ptr, (unsigned) rec_f_len); - - if (ret != 0) { - cur_bytes = 0; - - goto order_resolved; - } else { - goto next_field; - } - } - - /* Set the pointers at the current byte */ - - rec_b_ptr = rec_b_ptr + cur_bytes; - dtuple_b_ptr = (byte*)dfield_get_data(dtuple_field) - + cur_bytes; - /* Compare then the fields */ - - for (;;) { - if (UNIV_UNLIKELY(rec_f_len <= cur_bytes)) { - if (dtuple_f_len <= cur_bytes) { - - goto next_field; - } - - rec_byte = dtype_get_pad_char(mtype, prtype); - - if (rec_byte == ULINT_UNDEFINED) { - ret = 1; - - goto order_resolved; - } - } else { - rec_byte = *rec_b_ptr; - } - - if (UNIV_UNLIKELY(dtuple_f_len <= cur_bytes)) { - dtuple_byte = dtype_get_pad_char(mtype, - prtype); - - if (dtuple_byte == ULINT_UNDEFINED) { - ret = -1; - - goto order_resolved; - } - } else { - dtuple_byte = *dtuple_b_ptr; - } - - if (dtuple_byte == rec_byte) { - /* If the bytes are equal, they will - remain such even after the collation - transformation below */ - - goto next_byte; - } - - if (mtype <= DATA_CHAR - || (mtype == DATA_BLOB - && !(prtype & DATA_BINARY_TYPE))) { - - rec_byte = cmp_collate(rec_byte); - dtuple_byte = cmp_collate(dtuple_byte); - } - - ret = (int) (dtuple_byte - rec_byte); - if (UNIV_LIKELY(ret)) { - if (ret < 0) { - ret = -1; - goto order_resolved; - } else { - ret = 1; - goto order_resolved; - } - } -next_byte: - /* Next byte */ - cur_bytes++; - rec_b_ptr++; - dtuple_b_ptr++; - } - -next_field: - cur_field++; - cur_bytes = 0; - } - - ut_ad(cur_bytes == 0); - - ret = 0; /* If we ran out of fields, dtuple was equal to rec - up to the common fields */ -order_resolved: - ut_ad((ret >= - 1) && (ret <= 1)); - ut_ad(ret == cmp_debug_dtuple_rec_with_match(dtuple, rec, offsets, - matched_fields)); - ut_ad(*matched_fields == cur_field); /* In the debug version, the - above cmp_debug_... sets - *matched_fields to a value */ - *matched_fields = cur_field; - *matched_bytes = cur_bytes; - - return(ret); -} - -/**************************************************************//** -Compares a data tuple to a physical record. -@see cmp_dtuple_rec_with_match -@return 1, 0, -1, if dtuple is greater, equal, less than rec, respectively */ -UNIV_INTERN -int -cmp_dtuple_rec( -/*===========*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint matched_fields = 0; - ulint matched_bytes = 0; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - return(cmp_dtuple_rec_with_match(dtuple, rec, offsets, - &matched_fields, &matched_bytes)); -} - -/**************************************************************//** -Checks if a dtuple is a prefix of a record. The last field in dtuple -is allowed to be a prefix of the corresponding field in the record. -@return TRUE if prefix */ -UNIV_INTERN -ibool -cmp_dtuple_is_prefix_of_rec( -/*========================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint n_fields; - ulint matched_fields = 0; - ulint matched_bytes = 0; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - n_fields = dtuple_get_n_fields(dtuple); - - if (n_fields > rec_offs_n_fields(offsets)) { - - return(FALSE); - } - - cmp_dtuple_rec_with_match(dtuple, rec, offsets, - &matched_fields, &matched_bytes); - if (matched_fields == n_fields) { - - return(TRUE); - } - - if (matched_fields == n_fields - 1 - && matched_bytes == dfield_get_len( - dtuple_get_nth_field(dtuple, n_fields - 1))) { - return(TRUE); - } - - return(FALSE); -} - -/*************************************************************//** -Compare two physical records that contain the same number of columns, -none of which are stored externally. -@return 1, 0, -1 if rec1 is greater, equal, less, respectively, than rec2 */ -UNIV_INTERN -int -cmp_rec_rec_simple( -/*===============*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ - const dict_index_t* index) /*!< in: data dictionary index */ -{ - ulint rec1_f_len; /*!< length of current field in rec1 */ - const byte* rec1_b_ptr; /*!< pointer to the current byte - in rec1 field */ - ulint rec1_byte; /*!< value of current byte to be - compared in rec1 */ - ulint rec2_f_len; /*!< length of current field in rec2 */ - const byte* rec2_b_ptr; /*!< pointer to the current byte - in rec2 field */ - ulint rec2_byte; /*!< value of current byte to be - compared in rec2 */ - ulint cur_field; /*!< current field number */ - ulint n_uniq; - - n_uniq = dict_index_get_n_unique(index); - ut_ad(rec_offs_n_fields(offsets1) >= n_uniq); - ut_ad(rec_offs_n_fields(offsets2) >= n_uniq); - - ut_ad(rec_offs_comp(offsets1) == rec_offs_comp(offsets2)); - - for (cur_field = 0; cur_field < n_uniq; cur_field++) { - - ulint cur_bytes; - ulint mtype; - ulint prtype; - - { - const dict_col_t* col - = dict_index_get_nth_col(index, cur_field); - - mtype = col->mtype; - prtype = col->prtype; - } - - ut_ad(!rec_offs_nth_extern(offsets1, cur_field)); - ut_ad(!rec_offs_nth_extern(offsets2, cur_field)); - - rec1_b_ptr = rec_get_nth_field(rec1, offsets1, - cur_field, &rec1_f_len); - rec2_b_ptr = rec_get_nth_field(rec2, offsets2, - cur_field, &rec2_f_len); - - if (rec1_f_len == UNIV_SQL_NULL - || rec2_f_len == UNIV_SQL_NULL) { - - if (rec1_f_len == rec2_f_len) { - - goto next_field; - - } else if (rec2_f_len == UNIV_SQL_NULL) { - - /* We define the SQL null to be the - smallest possible value of a field - in the alphabetical order */ - - return(1); - } else { - return(-1); - } - } - - if (mtype >= DATA_FLOAT - || (mtype == DATA_BLOB - && 0 == (prtype & DATA_BINARY_TYPE) - && dtype_get_charset_coll(prtype) - != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { - int ret = cmp_whole_field(mtype, prtype, - rec1_b_ptr, - (unsigned) rec1_f_len, - rec2_b_ptr, - (unsigned) rec2_f_len); - if (ret) { - return(ret); - } - - goto next_field; - } - - /* Compare the fields */ - for (cur_bytes = 0;; cur_bytes++, rec1_b_ptr++, rec2_b_ptr++) { - if (rec2_f_len <= cur_bytes) { - - if (rec1_f_len <= cur_bytes) { - - goto next_field; - } - - rec2_byte = dtype_get_pad_char(mtype, prtype); - - if (rec2_byte == ULINT_UNDEFINED) { - return(1); - } - } else { - rec2_byte = *rec2_b_ptr; - } - - if (rec1_f_len <= cur_bytes) { - rec1_byte = dtype_get_pad_char(mtype, prtype); - - if (rec1_byte == ULINT_UNDEFINED) { - return(-1); - } - } else { - rec1_byte = *rec1_b_ptr; - } - - if (rec1_byte == rec2_byte) { - /* If the bytes are equal, they will remain - such even after the collation transformation - below */ - - continue; - } - - if (mtype <= DATA_CHAR - || (mtype == DATA_BLOB - && !(prtype & DATA_BINARY_TYPE))) { - - rec1_byte = cmp_collate(rec1_byte); - rec2_byte = cmp_collate(rec2_byte); - } - - if (rec1_byte < rec2_byte) { - return(-1); - } else if (rec1_byte > rec2_byte) { - return(1); - } - } -next_field: - continue; - } - - /* If we ran out of fields, rec1 was equal to rec2. */ - return(0); -} - -/*************************************************************//** -This function is used to compare two physical records. Only the common -first fields are compared, and if an externally stored field is -encountered, then 0 is returned. -@return 1, 0, -1 if rec1 is greater, equal, less, respectively */ -UNIV_INTERN -int -cmp_rec_rec_with_match( -/*===================*/ - const rec_t* rec1, /*!< in: physical record */ - const rec_t* rec2, /*!< in: physical record */ - const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */ - const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */ - dict_index_t* index, /*!< in: data dictionary index */ - ulint* matched_fields, /*!< in/out: number of already completely - matched fields; when the function returns, - contains the value the for current - comparison */ - ulint* matched_bytes) /*!< in/out: number of already matched - bytes within the first field not completely - matched; when the function returns, contains - the value for the current comparison */ -{ - ulint rec1_n_fields; /* the number of fields in rec */ - ulint rec1_f_len; /* length of current field in rec */ - const byte* rec1_b_ptr; /* pointer to the current byte - in rec field */ - ulint rec1_byte; /* value of current byte to be - compared in rec */ - ulint rec2_n_fields; /* the number of fields in rec */ - ulint rec2_f_len; /* length of current field in rec */ - const byte* rec2_b_ptr; /* pointer to the current byte - in rec field */ - ulint rec2_byte; /* value of current byte to be - compared in rec */ - ulint cur_field; /* current field number */ - ulint cur_bytes; /* number of already matched - bytes in current field */ - int ret = 0; /* return value */ - ulint comp; - - ut_ad(rec1 && rec2 && index); - ut_ad(rec_offs_validate(rec1, index, offsets1)); - ut_ad(rec_offs_validate(rec2, index, offsets2)); - ut_ad(rec_offs_comp(offsets1) == rec_offs_comp(offsets2)); - - comp = rec_offs_comp(offsets1); - rec1_n_fields = rec_offs_n_fields(offsets1); - rec2_n_fields = rec_offs_n_fields(offsets2); - - cur_field = *matched_fields; - cur_bytes = *matched_bytes; - - /* Match fields in a loop */ - - while ((cur_field < rec1_n_fields) && (cur_field < rec2_n_fields)) { - - ulint mtype; - ulint prtype; - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - /* This is for the insert buffer B-tree. */ - mtype = DATA_BINARY; - prtype = 0; - } else { - const dict_col_t* col - = dict_index_get_nth_col(index, cur_field); - - mtype = col->mtype; - prtype = col->prtype; - } - - rec1_b_ptr = rec_get_nth_field(rec1, offsets1, - cur_field, &rec1_f_len); - rec2_b_ptr = rec_get_nth_field(rec2, offsets2, - cur_field, &rec2_f_len); - - if (cur_bytes == 0) { - if (cur_field == 0) { - /* Test if rec is the predefined minimum - record */ - if (UNIV_UNLIKELY(rec_get_info_bits(rec1, comp) - & REC_INFO_MIN_REC_FLAG)) { - - if (!(rec_get_info_bits(rec2, comp) - & REC_INFO_MIN_REC_FLAG)) { - ret = -1; - } - - goto order_resolved; - - } else if (UNIV_UNLIKELY - (rec_get_info_bits(rec2, comp) - & REC_INFO_MIN_REC_FLAG)) { - - ret = 1; - - goto order_resolved; - } - } - - if (rec_offs_nth_extern(offsets1, cur_field) - || rec_offs_nth_extern(offsets2, cur_field)) { - /* We do not compare to an externally - stored field */ - - goto order_resolved; - } - - if (rec1_f_len == UNIV_SQL_NULL - || rec2_f_len == UNIV_SQL_NULL) { - - if (rec1_f_len == rec2_f_len) { - - goto next_field; - - } else if (rec2_f_len == UNIV_SQL_NULL) { - - /* We define the SQL null to be the - smallest possible value of a field - in the alphabetical order */ - - ret = 1; - } else { - ret = -1; - } - - goto order_resolved; - } - } - - if (mtype >= DATA_FLOAT - || (mtype == DATA_BLOB - && 0 == (prtype & DATA_BINARY_TYPE) - && dtype_get_charset_coll(prtype) - != DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) { - - ret = cmp_whole_field(mtype, prtype, - rec1_b_ptr, - (unsigned) rec1_f_len, - rec2_b_ptr, - (unsigned) rec2_f_len); - if (ret != 0) { - cur_bytes = 0; - - goto order_resolved; - } else { - goto next_field; - } - } - - /* Set the pointers at the current byte */ - rec1_b_ptr = rec1_b_ptr + cur_bytes; - rec2_b_ptr = rec2_b_ptr + cur_bytes; - - /* Compare then the fields */ - for (;;) { - if (rec2_f_len <= cur_bytes) { - - if (rec1_f_len <= cur_bytes) { - - goto next_field; - } - - rec2_byte = dtype_get_pad_char(mtype, prtype); - - if (rec2_byte == ULINT_UNDEFINED) { - ret = 1; - - goto order_resolved; - } - } else { - rec2_byte = *rec2_b_ptr; - } - - if (rec1_f_len <= cur_bytes) { - rec1_byte = dtype_get_pad_char(mtype, prtype); - - if (rec1_byte == ULINT_UNDEFINED) { - ret = -1; - - goto order_resolved; - } - } else { - rec1_byte = *rec1_b_ptr; - } - - if (rec1_byte == rec2_byte) { - /* If the bytes are equal, they will remain - such even after the collation transformation - below */ - - goto next_byte; - } - - if (mtype <= DATA_CHAR - || (mtype == DATA_BLOB - && !(prtype & DATA_BINARY_TYPE))) { - - rec1_byte = cmp_collate(rec1_byte); - rec2_byte = cmp_collate(rec2_byte); - } - - if (rec1_byte < rec2_byte) { - ret = -1; - goto order_resolved; - } else if (rec1_byte > rec2_byte) { - ret = 1; - goto order_resolved; - } -next_byte: - /* Next byte */ - - cur_bytes++; - rec1_b_ptr++; - rec2_b_ptr++; - } - -next_field: - cur_field++; - cur_bytes = 0; - } - - ut_ad(cur_bytes == 0); - - /* If we ran out of fields, rec1 was equal to rec2 up - to the common fields */ - ut_ad(ret == 0); -order_resolved: - - ut_ad((ret >= - 1) && (ret <= 1)); - - *matched_fields = cur_field; - *matched_bytes = cur_bytes; - - return(ret); -} - -#ifdef UNIV_DEBUG -/*************************************************************//** -Used in debug checking of cmp_dtuple_... . -This function is used to compare a data tuple to a physical record. If -dtuple has n fields then rec must have either m >= n fields, or it must -differ from dtuple in some of the m fields rec has. If encounters an -externally stored field, returns 0. -@return 1, 0, -1, if dtuple is greater, equal, less than rec, -respectively, when only the common first fields are compared */ -static -int -cmp_debug_dtuple_rec_with_match( -/*============================*/ - const dtuple_t* dtuple, /*!< in: data tuple */ - const rec_t* rec, /*!< in: physical record which differs from - dtuple in some of the common fields, or which - has an equal number or more fields than - dtuple */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint* matched_fields) /*!< in/out: number of already - completely matched fields; when function - returns, contains the value for current - comparison */ -{ - const dfield_t* dtuple_field; /* current field in logical record */ - ulint dtuple_f_len; /* the length of the current field - in the logical record */ - const byte* dtuple_f_data; /* pointer to the current logical - field data */ - ulint rec_f_len; /* length of current field in rec */ - const byte* rec_f_data; /* pointer to the current rec field */ - int ret = 3333; /* return value */ - ulint cur_field; /* current field number */ - - ut_ad(dtuple && rec && matched_fields); - ut_ad(dtuple_check_typed(dtuple)); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - ut_ad(*matched_fields <= dtuple_get_n_fields_cmp(dtuple)); - ut_ad(*matched_fields <= rec_offs_n_fields(offsets)); - - cur_field = *matched_fields; - - if (cur_field == 0) { - if (UNIV_UNLIKELY - (rec_get_info_bits(rec, rec_offs_comp(offsets)) - & REC_INFO_MIN_REC_FLAG)) { - - ret = !(dtuple_get_info_bits(dtuple) - & REC_INFO_MIN_REC_FLAG); - - goto order_resolved; - } - - if (UNIV_UNLIKELY - (dtuple_get_info_bits(dtuple) & REC_INFO_MIN_REC_FLAG)) { - ret = -1; - - goto order_resolved; - } - } - - /* Match fields in a loop; stop if we run out of fields in dtuple */ - - while (cur_field < dtuple_get_n_fields_cmp(dtuple)) { - - ulint mtype; - ulint prtype; - - dtuple_field = dtuple_get_nth_field(dtuple, cur_field); - { - const dtype_t* type - = dfield_get_type(dtuple_field); - - mtype = type->mtype; - prtype = type->prtype; - } - - dtuple_f_data = dfield_get_data(dtuple_field); - dtuple_f_len = dfield_get_len(dtuple_field); - - rec_f_data = rec_get_nth_field(rec, offsets, - cur_field, &rec_f_len); - - if (rec_offs_nth_extern(offsets, cur_field)) { - /* We do not compare to an externally stored field */ - - ret = 0; - - goto order_resolved; - } - - ret = cmp_data_data(mtype, prtype, dtuple_f_data, dtuple_f_len, - rec_f_data, rec_f_len); - if (ret != 0) { - goto order_resolved; - } - - cur_field++; - } - - ret = 0; /* If we ran out of fields, dtuple was equal to rec - up to the common fields */ -order_resolved: - ut_ad((ret >= - 1) && (ret <= 1)); - - *matched_fields = cur_field; - - return(ret); -} -#endif /* UNIV_DEBUG */ diff --git a/perfschema/rem/rem0rec.c b/perfschema/rem/rem0rec.c deleted file mode 100644 index 27c11dacc8c..00000000000 --- a/perfschema/rem/rem0rec.c +++ /dev/null @@ -1,1710 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file rem/rem0rec.c -Record manager - -Created 5/30/1994 Heikki Tuuri -*************************************************************************/ - -#include "rem0rec.h" - -#ifdef UNIV_NONINL -#include "rem0rec.ic" -#endif - -#include "mtr0mtr.h" -#include "mtr0log.h" - -/* PHYSICAL RECORD (OLD STYLE) - =========================== - -The physical record, which is the data type of all the records -found in index pages of the database, has the following format -(lower addresses and more significant bits inside a byte are below -represented on a higher text line): - -| offset of the end of the last field of data, the most significant - bit is set to 1 if and only if the field is SQL-null, - if the offset is 2-byte, then the second most significant - bit is set to 1 if the field is stored on another page: - mostly this will occur in the case of big BLOB fields | -... -| offset of the end of the first field of data + the SQL-null bit | -| 4 bits used to delete mark a record, and mark a predefined - minimum record in alphabetical order | -| 4 bits giving the number of records owned by this record - (this term is explained in page0page.h) | -| 13 bits giving the order number of this record in the - heap of the index page | -| 10 bits giving the number of fields in this record | -| 1 bit which is set to 1 if the offsets above are given in - one byte format, 0 if in two byte format | -| two bytes giving an absolute pointer to the next record in the page | -ORIGIN of the record -| first field of data | -... -| last field of data | - -The origin of the record is the start address of the first field -of data. The offsets are given relative to the origin. -The offsets of the data fields are stored in an inverted -order because then the offset of the first fields are near the -origin, giving maybe a better processor cache hit rate in searches. - -The offsets of the data fields are given as one-byte -(if there are less than 127 bytes of data in the record) -or two-byte unsigned integers. The most significant bit -is not part of the offset, instead it indicates the SQL-null -if the bit is set to 1. */ - -/* PHYSICAL RECORD (NEW STYLE) - =========================== - -The physical record, which is the data type of all the records -found in index pages of the database, has the following format -(lower addresses and more significant bits inside a byte are below -represented on a higher text line): - -| length of the last non-null variable-length field of data: - if the maximum length is 255, one byte; otherwise, - 0xxxxxxx (one byte, length=0..127), or 1exxxxxxxxxxxxxx (two bytes, - length=128..16383, extern storage flag) | -... -| length of first variable-length field of data | -| SQL-null flags (1 bit per nullable field), padded to full bytes | -| 4 bits used to delete mark a record, and mark a predefined - minimum record in alphabetical order | -| 4 bits giving the number of records owned by this record - (this term is explained in page0page.h) | -| 13 bits giving the order number of this record in the - heap of the index page | -| 3 bits record type: 000=conventional, 001=node pointer (inside B-tree), - 010=infimum, 011=supremum, 1xx=reserved | -| two bytes giving a relative pointer to the next record in the page | -ORIGIN of the record -| first field of data | -... -| last field of data | - -The origin of the record is the start address of the first field -of data. The offsets are given relative to the origin. -The offsets of the data fields are stored in an inverted -order because then the offset of the first fields are near the -origin, giving maybe a better processor cache hit rate in searches. - -The offsets of the data fields are given as one-byte -(if there are less than 127 bytes of data in the record) -or two-byte unsigned integers. The most significant bit -is not part of the offset, instead it indicates the SQL-null -if the bit is set to 1. */ - -/* CANONICAL COORDINATES. A record can be seen as a single -string of 'characters' in the following way: catenate the bytes -in each field, in the order of fields. An SQL-null field -is taken to be an empty sequence of bytes. Then after -the position of each field insert in the string -the 'character' , except that after an SQL-null field -insert . Now the ordinal position of each -byte in this canonical string is its canonical coordinate. -So, for the record ("AA", SQL-NULL, "BB", ""), the canonical -string is "AABB". -We identify prefixes (= initial segments) of a record -with prefixes of the canonical string. The canonical -length of the prefix is the length of the corresponding -prefix of the canonical string. The canonical length of -a record is the length of its canonical string. - -For example, the maximal common prefix of records -("AA", SQL-NULL, "BB", "C") and ("AA", SQL-NULL, "B", "C") -is "AAB", and its canonical -length is 5. - -A complete-field prefix of a record is a prefix which ends at the -end of some field (containing also ). -A record is a complete-field prefix of another record, if -the corresponding canonical strings have the same property. */ - -/* this is used to fool compiler in rec_validate */ -UNIV_INTERN ulint rec_dummy; - -/***************************************************************//** -Validates the consistency of an old-style physical record. -@return TRUE if ok */ -static -ibool -rec_validate_old( -/*=============*/ - const rec_t* rec); /*!< in: physical record */ - -/******************************************************//** -Determine how many of the first n columns in a compact -physical record are stored externally. -@return number of externally stored columns */ -UNIV_INTERN -ulint -rec_get_n_extern_new( -/*=================*/ - const rec_t* rec, /*!< in: compact physical record */ - dict_index_t* index, /*!< in: record descriptor */ - ulint n) /*!< in: number of columns to scan */ -{ - const byte* nulls; - const byte* lens; - dict_field_t* field; - ulint null_mask; - ulint n_extern; - ulint i; - - ut_ad(dict_table_is_comp(index->table)); - ut_ad(rec_get_status(rec) == REC_STATUS_ORDINARY); - ut_ad(n == ULINT_UNDEFINED || n <= dict_index_get_n_fields(index)); - - if (n == ULINT_UNDEFINED) { - n = dict_index_get_n_fields(index); - } - - nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); - lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); - null_mask = 1; - n_extern = 0; - i = 0; - - /* read the lengths of fields 0..n */ - do { - ulint len; - - field = dict_index_get_nth_field(index, i); - if (!(dict_field_get_col(field)->prtype & DATA_NOT_NULL)) { - /* nullable field => read the null flag */ - - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls--; - null_mask = 1; - } - - if (*nulls & null_mask) { - null_mask <<= 1; - /* No length is stored for NULL fields. */ - continue; - } - null_mask <<= 1; - } - - if (UNIV_UNLIKELY(!field->fixed_len)) { - /* Variable-length field: read the length */ - const dict_col_t* col - = dict_field_get_col(field); - len = *lens--; - if (UNIV_UNLIKELY(col->len > 255) - || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { - if (len & 0x80) { - /* 1exxxxxxx xxxxxxxx */ - if (len & 0x40) { - n_extern++; - } - lens--; - } - } - } - } while (++i < n); - - return(n_extern); -} - -/******************************************************//** -Determine the offset to each field in a leaf-page record -in ROW_FORMAT=COMPACT. This is a special case of -rec_init_offsets() and rec_get_offsets_func(). */ -UNIV_INTERN -void -rec_init_offsets_comp_ordinary( -/*===========================*/ - const rec_t* rec, /*!< in: physical record in - ROW_FORMAT=COMPACT */ - ulint extra, /*!< in: number of bytes to reserve - between the record header and - the data payload - (usually REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets)/*!< in/out: array of offsets; - in: n=rec_offs_n_fields(offsets) */ -{ - ulint i = 0; - ulint offs = 0; - ulint any_ext = 0; - const byte* nulls = rec - (extra + 1); - const byte* lens = nulls - - UT_BITS_IN_BYTES(index->n_nullable); - dict_field_t* field; - ulint null_mask = 1; - -#ifdef UNIV_DEBUG - /* We cannot invoke rec_offs_make_valid() here, because it can hold - that extra != REC_N_NEW_EXTRA_BYTES. Similarly, rec_offs_validate() - will fail in that case, because it invokes rec_get_status(). */ - offsets[2] = (ulint) rec; - offsets[3] = (ulint) index; -#endif /* UNIV_DEBUG */ - - /* read the lengths of fields 0..n */ - do { - ulint len; - - field = dict_index_get_nth_field(index, i); - if (!(dict_field_get_col(field)->prtype - & DATA_NOT_NULL)) { - /* nullable field => read the null flag */ - - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls--; - null_mask = 1; - } - - if (*nulls & null_mask) { - null_mask <<= 1; - /* No length is stored for NULL fields. - We do not advance offs, and we set - the length to zero and enable the - SQL NULL flag in offsets[]. */ - len = offs | REC_OFFS_SQL_NULL; - goto resolved; - } - null_mask <<= 1; - } - - if (UNIV_UNLIKELY(!field->fixed_len)) { - /* Variable-length field: read the length */ - const dict_col_t* col - = dict_field_get_col(field); - len = *lens--; - if (UNIV_UNLIKELY(col->len > 255) - || UNIV_UNLIKELY(col->mtype - == DATA_BLOB)) { - if (len & 0x80) { - /* 1exxxxxxx xxxxxxxx */ - len <<= 8; - len |= *lens--; - - offs += len & 0x3fff; - if (UNIV_UNLIKELY(len - & 0x4000)) { - ut_ad(dict_index_is_clust - (index)); - any_ext = REC_OFFS_EXTERNAL; - len = offs - | REC_OFFS_EXTERNAL; - } else { - len = offs; - } - - goto resolved; - } - } - - len = offs += len; - } else { - len = offs += field->fixed_len; - } -resolved: - rec_offs_base(offsets)[i + 1] = len; - } while (++i < rec_offs_n_fields(offsets)); - - *rec_offs_base(offsets) - = (rec - (lens + 1)) | REC_OFFS_COMPACT | any_ext; -} - -/******************************************************//** -The following function determines the offsets to each field in the -record. The offsets are written to a previously allocated array of -ulint, where rec_offs_n_fields(offsets) has been initialized to the -number of fields in the record. The rest of the array will be -initialized by this function. rec_offs_base(offsets)[0] will be set -to the extra size (if REC_OFFS_COMPACT is set, the record is in the -new format; if REC_OFFS_EXTERNAL is set, the record contains externally -stored columns), and rec_offs_base(offsets)[1..n_fields] will be set to -offsets past the end of fields 0..n_fields, or to the beginning of -fields 1..n_fields+1. When the high-order bit of the offset at [i+1] -is set (REC_OFFS_SQL_NULL), the field i is NULL. When the second -high-order bit of the offset at [i+1] is set (REC_OFFS_EXTERNAL), the -field i is being stored externally. */ -static -void -rec_init_offsets( -/*=============*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets)/*!< in/out: array of offsets; - in: n=rec_offs_n_fields(offsets) */ -{ - ulint i = 0; - ulint offs; - - rec_offs_make_valid(rec, index, offsets); - - if (dict_table_is_comp(index->table)) { - const byte* nulls; - const byte* lens; - dict_field_t* field; - ulint null_mask; - ulint status = rec_get_status(rec); - ulint n_node_ptr_field = ULINT_UNDEFINED; - - switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - /* the field is 8 bytes long */ - rec_offs_base(offsets)[0] - = REC_N_NEW_EXTRA_BYTES | REC_OFFS_COMPACT; - rec_offs_base(offsets)[1] = 8; - return; - case REC_STATUS_NODE_PTR: - n_node_ptr_field - = dict_index_get_n_unique_in_tree(index); - break; - case REC_STATUS_ORDINARY: - rec_init_offsets_comp_ordinary(rec, - REC_N_NEW_EXTRA_BYTES, - index, offsets); - return; - } - - nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); - lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); - offs = 0; - null_mask = 1; - - /* read the lengths of fields 0..n */ - do { - ulint len; - if (UNIV_UNLIKELY(i == n_node_ptr_field)) { - len = offs += 4; - goto resolved; - } - - field = dict_index_get_nth_field(index, i); - if (!(dict_field_get_col(field)->prtype - & DATA_NOT_NULL)) { - /* nullable field => read the null flag */ - - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls--; - null_mask = 1; - } - - if (*nulls & null_mask) { - null_mask <<= 1; - /* No length is stored for NULL fields. - We do not advance offs, and we set - the length to zero and enable the - SQL NULL flag in offsets[]. */ - len = offs | REC_OFFS_SQL_NULL; - goto resolved; - } - null_mask <<= 1; - } - - if (UNIV_UNLIKELY(!field->fixed_len)) { - /* Variable-length field: read the length */ - const dict_col_t* col - = dict_field_get_col(field); - len = *lens--; - if (UNIV_UNLIKELY(col->len > 255) - || UNIV_UNLIKELY(col->mtype - == DATA_BLOB)) { - if (len & 0x80) { - /* 1exxxxxxx xxxxxxxx */ - - len <<= 8; - len |= *lens--; - - /* B-tree node pointers - must not contain externally - stored columns. Thus - the "e" flag must be 0. */ - ut_a(!(len & 0x4000)); - offs += len & 0x3fff; - len = offs; - - goto resolved; - } - } - - len = offs += len; - } else { - len = offs += field->fixed_len; - } -resolved: - rec_offs_base(offsets)[i + 1] = len; - } while (++i < rec_offs_n_fields(offsets)); - - *rec_offs_base(offsets) - = (rec - (lens + 1)) | REC_OFFS_COMPACT; - } else { - /* Old-style record: determine extra size and end offsets */ - offs = REC_N_OLD_EXTRA_BYTES; - if (rec_get_1byte_offs_flag(rec)) { - offs += rec_offs_n_fields(offsets); - *rec_offs_base(offsets) = offs; - /* Determine offsets to fields */ - do { - offs = rec_1_get_field_end_info(rec, i); - if (offs & REC_1BYTE_SQL_NULL_MASK) { - offs &= ~REC_1BYTE_SQL_NULL_MASK; - offs |= REC_OFFS_SQL_NULL; - } - rec_offs_base(offsets)[1 + i] = offs; - } while (++i < rec_offs_n_fields(offsets)); - } else { - offs += 2 * rec_offs_n_fields(offsets); - *rec_offs_base(offsets) = offs; - /* Determine offsets to fields */ - do { - offs = rec_2_get_field_end_info(rec, i); - if (offs & REC_2BYTE_SQL_NULL_MASK) { - offs &= ~REC_2BYTE_SQL_NULL_MASK; - offs |= REC_OFFS_SQL_NULL; - } - if (offs & REC_2BYTE_EXTERN_MASK) { - offs &= ~REC_2BYTE_EXTERN_MASK; - offs |= REC_OFFS_EXTERNAL; - *rec_offs_base(offsets) |= REC_OFFS_EXTERNAL; - } - rec_offs_base(offsets)[1 + i] = offs; - } while (++i < rec_offs_n_fields(offsets)); - } - } -} - -/******************************************************//** -The following function determines the offsets to each field -in the record. It can reuse a previously returned array. -@return the new offsets */ -UNIV_INTERN -ulint* -rec_get_offsets_func( -/*=================*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint* offsets,/*!< in/out: array consisting of - offsets[0] allocated elements, - or an array from rec_get_offsets(), - or NULL */ - ulint n_fields,/*!< in: maximum number of - initialized fields - (ULINT_UNDEFINED if all fields) */ - mem_heap_t** heap, /*!< in/out: memory heap */ - const char* file, /*!< in: file name where called */ - ulint line) /*!< in: line number where called */ -{ - ulint n; - ulint size; - - ut_ad(rec); - ut_ad(index); - ut_ad(heap); - - if (dict_table_is_comp(index->table)) { - switch (UNIV_EXPECT(rec_get_status(rec), - REC_STATUS_ORDINARY)) { - case REC_STATUS_ORDINARY: - n = dict_index_get_n_fields(index); - break; - case REC_STATUS_NODE_PTR: - n = dict_index_get_n_unique_in_tree(index) + 1; - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - /* infimum or supremum record */ - n = 1; - break; - default: - ut_error; - return(NULL); - } - } else { - n = rec_get_n_fields_old(rec); - } - - if (UNIV_UNLIKELY(n_fields < n)) { - n = n_fields; - } - - size = n + (1 + REC_OFFS_HEADER_SIZE); - - if (UNIV_UNLIKELY(!offsets) - || UNIV_UNLIKELY(rec_offs_get_n_alloc(offsets) < size)) { - if (UNIV_UNLIKELY(!*heap)) { - *heap = mem_heap_create_func(size * sizeof(ulint), - MEM_HEAP_DYNAMIC, - file, line); - } - offsets = mem_heap_alloc(*heap, size * sizeof(ulint)); - rec_offs_set_n_alloc(offsets, size); - } - - rec_offs_set_n_fields(offsets, n); - rec_init_offsets(rec, index, offsets); - return(offsets); -} - -/******************************************************//** -The following function determines the offsets to each field -in the record. It can reuse a previously allocated array. */ -UNIV_INTERN -void -rec_get_offsets_reverse( -/*====================*/ - const byte* extra, /*!< in: the extra bytes of a - compact record in reverse order, - excluding the fixed-size - REC_N_NEW_EXTRA_BYTES */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint node_ptr,/*!< in: nonzero=node pointer, - 0=leaf node */ - ulint* offsets)/*!< in/out: array consisting of - offsets[0] allocated elements */ -{ - ulint n; - ulint i; - ulint offs; - ulint any_ext; - const byte* nulls; - const byte* lens; - dict_field_t* field; - ulint null_mask; - ulint n_node_ptr_field; - - ut_ad(extra); - ut_ad(index); - ut_ad(offsets); - ut_ad(dict_table_is_comp(index->table)); - - if (UNIV_UNLIKELY(node_ptr)) { - n_node_ptr_field = dict_index_get_n_unique_in_tree(index); - n = n_node_ptr_field + 1; - } else { - n_node_ptr_field = ULINT_UNDEFINED; - n = dict_index_get_n_fields(index); - } - - ut_a(rec_offs_get_n_alloc(offsets) >= n + (1 + REC_OFFS_HEADER_SIZE)); - rec_offs_set_n_fields(offsets, n); - - nulls = extra; - lens = nulls + UT_BITS_IN_BYTES(index->n_nullable); - i = offs = 0; - null_mask = 1; - any_ext = 0; - - /* read the lengths of fields 0..n */ - do { - ulint len; - if (UNIV_UNLIKELY(i == n_node_ptr_field)) { - len = offs += 4; - goto resolved; - } - - field = dict_index_get_nth_field(index, i); - if (!(dict_field_get_col(field)->prtype & DATA_NOT_NULL)) { - /* nullable field => read the null flag */ - - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls++; - null_mask = 1; - } - - if (*nulls & null_mask) { - null_mask <<= 1; - /* No length is stored for NULL fields. - We do not advance offs, and we set - the length to zero and enable the - SQL NULL flag in offsets[]. */ - len = offs | REC_OFFS_SQL_NULL; - goto resolved; - } - null_mask <<= 1; - } - - if (UNIV_UNLIKELY(!field->fixed_len)) { - /* Variable-length field: read the length */ - const dict_col_t* col - = dict_field_get_col(field); - len = *lens++; - if (UNIV_UNLIKELY(col->len > 255) - || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { - if (len & 0x80) { - /* 1exxxxxxx xxxxxxxx */ - len <<= 8; - len |= *lens++; - - offs += len & 0x3fff; - if (UNIV_UNLIKELY(len & 0x4000)) { - any_ext = REC_OFFS_EXTERNAL; - len = offs | REC_OFFS_EXTERNAL; - } else { - len = offs; - } - - goto resolved; - } - } - - len = offs += len; - } else { - len = offs += field->fixed_len; - } -resolved: - rec_offs_base(offsets)[i + 1] = len; - } while (++i < rec_offs_n_fields(offsets)); - - ut_ad(lens >= extra); - *rec_offs_base(offsets) = (lens - extra + REC_N_NEW_EXTRA_BYTES) - | REC_OFFS_COMPACT | any_ext; -} - -/************************************************************//** -The following function is used to get the offset to the nth -data field in an old-style record. -@return offset to the field */ -UNIV_INTERN -ulint -rec_get_nth_field_offs_old( -/*=======================*/ - const rec_t* rec, /*!< in: record */ - ulint n, /*!< in: index of the field */ - ulint* len) /*!< out: length of the field; - UNIV_SQL_NULL if SQL null */ -{ - ulint os; - ulint next_os; - - ut_ad(len); - ut_a(rec); - ut_a(n < rec_get_n_fields_old(rec)); - - if (rec_get_1byte_offs_flag(rec)) { - os = rec_1_get_field_start_offs(rec, n); - - next_os = rec_1_get_field_end_info(rec, n); - - if (next_os & REC_1BYTE_SQL_NULL_MASK) { - *len = UNIV_SQL_NULL; - - return(os); - } - - next_os = next_os & ~REC_1BYTE_SQL_NULL_MASK; - } else { - os = rec_2_get_field_start_offs(rec, n); - - next_os = rec_2_get_field_end_info(rec, n); - - if (next_os & REC_2BYTE_SQL_NULL_MASK) { - *len = UNIV_SQL_NULL; - - return(os); - } - - next_os = next_os & ~(REC_2BYTE_SQL_NULL_MASK - | REC_2BYTE_EXTERN_MASK); - } - - *len = next_os - os; - - ut_ad(*len < UNIV_PAGE_SIZE); - - return(os); -} - -/**********************************************************//** -Determines the size of a data tuple prefix in ROW_FORMAT=COMPACT. -@return total size */ -UNIV_INTERN -ulint -rec_get_converted_size_comp_prefix( -/*===============================*/ - const dict_index_t* index, /*!< in: record descriptor; - dict_table_is_comp() is - assumed to hold, even if - it does not */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields,/*!< in: number of data fields */ - ulint* extra) /*!< out: extra size */ -{ - ulint extra_size; - ulint data_size; - ulint i; - ut_ad(index); - ut_ad(fields); - ut_ad(n_fields > 0); - ut_ad(n_fields <= dict_index_get_n_fields(index)); - - extra_size = REC_N_NEW_EXTRA_BYTES - + UT_BITS_IN_BYTES(index->n_nullable); - data_size = 0; - - /* read the lengths of fields 0..n */ - for (i = 0; i < n_fields; i++) { - const dict_field_t* field; - ulint len; - const dict_col_t* col; - - field = dict_index_get_nth_field(index, i); - len = dfield_get_len(&fields[i]); - col = dict_field_get_col(field); - - ut_ad(dict_col_type_assert_equal(col, - dfield_get_type(&fields[i]))); - - if (dfield_is_null(&fields[i])) { - /* No length is stored for NULL fields. */ - ut_ad(!(col->prtype & DATA_NOT_NULL)); - continue; - } - - ut_ad(len <= col->len || col->mtype == DATA_BLOB); - - if (field->fixed_len) { - ut_ad(len == field->fixed_len); - /* dict_index_add_col() should guarantee this */ - ut_ad(!field->prefix_len - || field->fixed_len == field->prefix_len); - } else if (dfield_is_ext(&fields[i])) { - extra_size += 2; - } else if (len < 128 - || (col->len < 256 && col->mtype != DATA_BLOB)) { - extra_size++; - } else { - /* For variable-length columns, we look up the - maximum length from the column itself. If this - is a prefix index column shorter than 256 bytes, - this will waste one byte. */ - extra_size += 2; - } - data_size += len; - } - - if (UNIV_LIKELY_NULL(extra)) { - *extra = extra_size; - } - - return(extra_size + data_size); -} - -/**********************************************************//** -Determines the size of a data tuple in ROW_FORMAT=COMPACT. -@return total size */ -UNIV_INTERN -ulint -rec_get_converted_size_comp( -/*========================*/ - const dict_index_t* index, /*!< in: record descriptor; - dict_table_is_comp() is - assumed to hold, even if - it does not */ - ulint status, /*!< in: status bits of the record */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields,/*!< in: number of data fields */ - ulint* extra) /*!< out: extra size */ -{ - ulint size; - ut_ad(index); - ut_ad(fields); - ut_ad(n_fields > 0); - - switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { - case REC_STATUS_ORDINARY: - ut_ad(n_fields == dict_index_get_n_fields(index)); - size = 0; - break; - case REC_STATUS_NODE_PTR: - n_fields--; - ut_ad(n_fields == dict_index_get_n_unique_in_tree(index)); - ut_ad(dfield_get_len(&fields[n_fields]) == REC_NODE_PTR_SIZE); - size = REC_NODE_PTR_SIZE; /* child page number */ - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - /* infimum or supremum record, 8 data bytes */ - if (UNIV_LIKELY_NULL(extra)) { - *extra = REC_N_NEW_EXTRA_BYTES; - } - return(REC_N_NEW_EXTRA_BYTES + 8); - default: - ut_error; - return(ULINT_UNDEFINED); - } - - return(size + rec_get_converted_size_comp_prefix(index, fields, - n_fields, extra)); -} - -/***********************************************************//** -Sets the value of the ith field SQL null bit of an old-style record. */ -UNIV_INTERN -void -rec_set_nth_field_null_bit( -/*=======================*/ - rec_t* rec, /*!< in: record */ - ulint i, /*!< in: ith field */ - ibool val) /*!< in: value to set */ -{ - ulint info; - - if (rec_get_1byte_offs_flag(rec)) { - - info = rec_1_get_field_end_info(rec, i); - - if (val) { - info = info | REC_1BYTE_SQL_NULL_MASK; - } else { - info = info & ~REC_1BYTE_SQL_NULL_MASK; - } - - rec_1_set_field_end_info(rec, i, info); - - return; - } - - info = rec_2_get_field_end_info(rec, i); - - if (val) { - info = info | REC_2BYTE_SQL_NULL_MASK; - } else { - info = info & ~REC_2BYTE_SQL_NULL_MASK; - } - - rec_2_set_field_end_info(rec, i, info); -} - -/***********************************************************//** -Sets an old-style record field to SQL null. -The physical size of the field is not changed. */ -UNIV_INTERN -void -rec_set_nth_field_sql_null( -/*=======================*/ - rec_t* rec, /*!< in: record */ - ulint n) /*!< in: index of the field */ -{ - ulint offset; - - offset = rec_get_field_start_offs(rec, n); - - data_write_sql_null(rec + offset, rec_get_nth_field_size(rec, n)); - - rec_set_nth_field_null_bit(rec, n, TRUE); -} - -/*********************************************************//** -Builds an old-style physical record out of a data tuple and -stores it beginning from the start of the given buffer. -@return pointer to the origin of physical record */ -static -rec_t* -rec_convert_dtuple_to_rec_old( -/*==========================*/ - byte* buf, /*!< in: start address of the physical record */ - const dtuple_t* dtuple, /*!< in: data tuple */ - ulint n_ext) /*!< in: number of externally stored columns */ -{ - const dfield_t* field; - ulint n_fields; - ulint data_size; - rec_t* rec; - ulint end_offset; - ulint ored_offset; - ulint len; - ulint i; - - ut_ad(buf && dtuple); - ut_ad(dtuple_validate(dtuple)); - ut_ad(dtuple_check_typed(dtuple)); - - n_fields = dtuple_get_n_fields(dtuple); - data_size = dtuple_get_data_size(dtuple, 0); - - ut_ad(n_fields > 0); - - /* Calculate the offset of the origin in the physical record */ - - rec = buf + rec_get_converted_extra_size(data_size, n_fields, n_ext); -#ifdef UNIV_DEBUG - /* Suppress Valgrind warnings of ut_ad() - in mach_write_to_1(), mach_write_to_2() et al. */ - memset(buf, 0xff, rec - buf + data_size); -#endif /* UNIV_DEBUG */ - /* Store the number of fields */ - rec_set_n_fields_old(rec, n_fields); - - /* Set the info bits of the record */ - rec_set_info_bits_old(rec, dtuple_get_info_bits(dtuple) - & REC_INFO_BITS_MASK); - - /* Store the data and the offsets */ - - end_offset = 0; - - if (!n_ext && data_size <= REC_1BYTE_OFFS_LIMIT) { - - rec_set_1byte_offs_flag(rec, TRUE); - - for (i = 0; i < n_fields; i++) { - - field = dtuple_get_nth_field(dtuple, i); - - if (dfield_is_null(field)) { - len = dtype_get_sql_null_size( - dfield_get_type(field), 0); - data_write_sql_null(rec + end_offset, len); - - end_offset += len; - ored_offset = end_offset - | REC_1BYTE_SQL_NULL_MASK; - } else { - /* If the data is not SQL null, store it */ - len = dfield_get_len(field); - - memcpy(rec + end_offset, - dfield_get_data(field), len); - - end_offset += len; - ored_offset = end_offset; - } - - rec_1_set_field_end_info(rec, i, ored_offset); - } - } else { - rec_set_1byte_offs_flag(rec, FALSE); - - for (i = 0; i < n_fields; i++) { - - field = dtuple_get_nth_field(dtuple, i); - - if (dfield_is_null(field)) { - len = dtype_get_sql_null_size( - dfield_get_type(field), 0); - data_write_sql_null(rec + end_offset, len); - - end_offset += len; - ored_offset = end_offset - | REC_2BYTE_SQL_NULL_MASK; - } else { - /* If the data is not SQL null, store it */ - len = dfield_get_len(field); - - memcpy(rec + end_offset, - dfield_get_data(field), len); - - end_offset += len; - ored_offset = end_offset; - - if (dfield_is_ext(field)) { - ored_offset |= REC_2BYTE_EXTERN_MASK; - } - } - - rec_2_set_field_end_info(rec, i, ored_offset); - } - } - - return(rec); -} - -/*********************************************************//** -Builds a ROW_FORMAT=COMPACT record out of a data tuple. */ -UNIV_INTERN -void -rec_convert_dtuple_to_rec_comp( -/*===========================*/ - rec_t* rec, /*!< in: origin of record */ - ulint extra, /*!< in: number of bytes to - reserve between the record - header and the data payload - (normally REC_N_NEW_EXTRA_BYTES) */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint status, /*!< in: status bits of the record */ - const dfield_t* fields, /*!< in: array of data fields */ - ulint n_fields)/*!< in: number of data fields */ -{ - const dfield_t* field; - const dtype_t* type; - byte* end; - byte* nulls; - byte* lens; - ulint len; - ulint i; - ulint n_node_ptr_field; - ulint fixed_len; - ulint null_mask = 1; - ut_ad(extra == 0 || dict_table_is_comp(index->table)); - ut_ad(extra == 0 || extra == REC_N_NEW_EXTRA_BYTES); - ut_ad(n_fields > 0); - - switch (UNIV_EXPECT(status, REC_STATUS_ORDINARY)) { - case REC_STATUS_ORDINARY: - ut_ad(n_fields <= dict_index_get_n_fields(index)); - n_node_ptr_field = ULINT_UNDEFINED; - break; - case REC_STATUS_NODE_PTR: - ut_ad(n_fields == dict_index_get_n_unique_in_tree(index) + 1); - n_node_ptr_field = n_fields - 1; - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - ut_ad(n_fields == 1); - n_node_ptr_field = ULINT_UNDEFINED; - break; - default: - ut_error; - return; - } - - end = rec; - nulls = rec - (extra + 1); - lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); - /* clear the SQL-null flags */ - memset(lens + 1, 0, nulls - lens); - - /* Store the data and the offsets */ - - for (i = 0, field = fields; i < n_fields; i++, field++) { - type = dfield_get_type(field); - len = dfield_get_len(field); - - if (UNIV_UNLIKELY(i == n_node_ptr_field)) { - ut_ad(dtype_get_prtype(type) & DATA_NOT_NULL); - ut_ad(len == 4); - memcpy(end, dfield_get_data(field), len); - end += 4; - break; - } - - if (!(dtype_get_prtype(type) & DATA_NOT_NULL)) { - /* nullable field */ - ut_ad(index->n_nullable > 0); - - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls--; - null_mask = 1; - } - - ut_ad(*nulls < null_mask); - - /* set the null flag if necessary */ - if (dfield_is_null(field)) { - *nulls |= null_mask; - null_mask <<= 1; - continue; - } - - null_mask <<= 1; - } - /* only nullable fields can be null */ - ut_ad(!dfield_is_null(field)); - - fixed_len = dict_index_get_nth_field(index, i)->fixed_len; - - if (fixed_len) { - ut_ad(len == fixed_len); - ut_ad(!dfield_is_ext(field)); - } else if (dfield_is_ext(field)) { - ut_ad(len <= REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE); - *lens-- = (byte) (len >> 8) | 0xc0; - *lens-- = (byte) len; - } else { - ut_ad(len <= dtype_get_len(type) - || dtype_get_mtype(type) == DATA_BLOB); - if (len < 128 - || (dtype_get_len(type) < 256 - && dtype_get_mtype(type) != DATA_BLOB)) { - - *lens-- = (byte) len; - } else { - ut_ad(len < 16384); - *lens-- = (byte) (len >> 8) | 0x80; - *lens-- = (byte) len; - } - } - - memcpy(end, dfield_get_data(field), len); - end += len; - } -} - -/*********************************************************//** -Builds a new-style physical record out of a data tuple and -stores it beginning from the start of the given buffer. -@return pointer to the origin of physical record */ -static -rec_t* -rec_convert_dtuple_to_rec_new( -/*==========================*/ - byte* buf, /*!< in: start address of - the physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* dtuple) /*!< in: data tuple */ -{ - ulint extra_size; - ulint status; - rec_t* rec; - - status = dtuple_get_info_bits(dtuple) & REC_NEW_STATUS_MASK; - rec_get_converted_size_comp(index, status, - dtuple->fields, dtuple->n_fields, - &extra_size); - rec = buf + extra_size; - - rec_convert_dtuple_to_rec_comp( - rec, REC_N_NEW_EXTRA_BYTES, index, status, - dtuple->fields, dtuple->n_fields); - - /* Set the info bits of the record */ - rec_set_info_and_status_bits(rec, dtuple_get_info_bits(dtuple)); - - return(rec); -} - -/*********************************************************//** -Builds a physical record out of a data tuple and -stores it beginning from the start of the given buffer. -@return pointer to the origin of physical record */ -UNIV_INTERN -rec_t* -rec_convert_dtuple_to_rec( -/*======================*/ - byte* buf, /*!< in: start address of the - physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - const dtuple_t* dtuple, /*!< in: data tuple */ - ulint n_ext) /*!< in: number of - externally stored columns */ -{ - rec_t* rec; - - ut_ad(buf && index && dtuple); - ut_ad(dtuple_validate(dtuple)); - ut_ad(dtuple_check_typed(dtuple)); - - if (dict_table_is_comp(index->table)) { - rec = rec_convert_dtuple_to_rec_new(buf, index, dtuple); - } else { - rec = rec_convert_dtuple_to_rec_old(buf, dtuple, n_ext); - } - -#ifdef UNIV_DEBUG - { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - offsets = rec_get_offsets(rec, index, - offsets_, ULINT_UNDEFINED, &heap); - ut_ad(rec_validate(rec, offsets)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } -#endif /* UNIV_DEBUG */ - return(rec); -} - -/**************************************************************//** -Copies the first n fields of a physical record to a data tuple. The fields -are copied to the memory heap. */ -UNIV_INTERN -void -rec_copy_prefix_to_dtuple( -/*======================*/ - dtuple_t* tuple, /*!< out: data tuple */ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint n_fields, /*!< in: number of fields - to copy */ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ulint i; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - offsets = rec_get_offsets(rec, index, offsets, n_fields, &heap); - - ut_ad(rec_validate(rec, offsets)); - ut_ad(dtuple_check_typed(tuple)); - - dtuple_set_info_bits(tuple, rec_get_info_bits( - rec, dict_table_is_comp(index->table))); - - for (i = 0; i < n_fields; i++) { - dfield_t* field; - const byte* data; - ulint len; - - field = dtuple_get_nth_field(tuple, i); - data = rec_get_nth_field(rec, offsets, i, &len); - - if (len != UNIV_SQL_NULL) { - dfield_set_data(field, - mem_heap_dup(heap, data, len), len); - ut_ad(!rec_offs_nth_extern(offsets, i)); - } else { - dfield_set_null(field); - } - } -} - -/**************************************************************//** -Copies the first n fields of an old-style physical record -to a new physical record in a buffer. -@return own: copied record */ -static -rec_t* -rec_copy_prefix_to_buf_old( -/*=======================*/ - const rec_t* rec, /*!< in: physical record */ - ulint n_fields, /*!< in: number of fields to copy */ - ulint area_end, /*!< in: end of the prefix data */ - byte** buf, /*!< in/out: memory buffer for - the copied prefix, or NULL */ - ulint* buf_size) /*!< in/out: buffer size */ -{ - rec_t* copy_rec; - ulint area_start; - ulint prefix_len; - - if (rec_get_1byte_offs_flag(rec)) { - area_start = REC_N_OLD_EXTRA_BYTES + n_fields; - } else { - area_start = REC_N_OLD_EXTRA_BYTES + 2 * n_fields; - } - - prefix_len = area_start + area_end; - - if ((*buf == NULL) || (*buf_size < prefix_len)) { - if (*buf != NULL) { - mem_free(*buf); - } - - *buf = mem_alloc2(prefix_len, buf_size); - } - - ut_memcpy(*buf, rec - area_start, prefix_len); - - copy_rec = *buf + area_start; - - rec_set_n_fields_old(copy_rec, n_fields); - - return(copy_rec); -} - -/**************************************************************//** -Copies the first n fields of a physical record to a new physical record in -a buffer. -@return own: copied record */ -UNIV_INTERN -rec_t* -rec_copy_prefix_to_buf( -/*===================*/ - const rec_t* rec, /*!< in: physical record */ - const dict_index_t* index, /*!< in: record descriptor */ - ulint n_fields, /*!< in: number of fields - to copy */ - byte** buf, /*!< in/out: memory buffer - for the copied prefix, - or NULL */ - ulint* buf_size) /*!< in/out: buffer size */ -{ - const byte* nulls; - const byte* lens; - ulint i; - ulint prefix_len; - ulint null_mask; - ulint status; - - UNIV_PREFETCH_RW(*buf); - - if (!dict_table_is_comp(index->table)) { - ut_ad(rec_validate_old(rec)); - return(rec_copy_prefix_to_buf_old( - rec, n_fields, - rec_get_field_start_offs(rec, n_fields), - buf, buf_size)); - } - - status = rec_get_status(rec); - - switch (status) { - case REC_STATUS_ORDINARY: - ut_ad(n_fields <= dict_index_get_n_fields(index)); - break; - case REC_STATUS_NODE_PTR: - /* it doesn't make sense to copy the child page number field */ - ut_ad(n_fields <= dict_index_get_n_unique_in_tree(index)); - break; - case REC_STATUS_INFIMUM: - case REC_STATUS_SUPREMUM: - /* infimum or supremum record: no sense to copy anything */ - default: - ut_error; - return(NULL); - } - - nulls = rec - (REC_N_NEW_EXTRA_BYTES + 1); - lens = nulls - UT_BITS_IN_BYTES(index->n_nullable); - UNIV_PREFETCH_R(lens); - prefix_len = 0; - null_mask = 1; - - /* read the lengths of fields 0..n */ - for (i = 0; i < n_fields; i++) { - const dict_field_t* field; - const dict_col_t* col; - - field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(field); - - if (!(col->prtype & DATA_NOT_NULL)) { - /* nullable field => read the null flag */ - if (UNIV_UNLIKELY(!(byte) null_mask)) { - nulls--; - null_mask = 1; - } - - if (*nulls & null_mask) { - null_mask <<= 1; - continue; - } - - null_mask <<= 1; - } - - if (field->fixed_len) { - prefix_len += field->fixed_len; - } else { - ulint len = *lens--; - if (col->len > 255 || col->mtype == DATA_BLOB) { - if (len & 0x80) { - /* 1exxxxxx */ - len &= 0x3f; - len <<= 8; - len |= *lens--; - UNIV_PREFETCH_R(lens); - } - } - prefix_len += len; - } - } - - UNIV_PREFETCH_R(rec + prefix_len); - - prefix_len += rec - (lens + 1); - - if ((*buf == NULL) || (*buf_size < prefix_len)) { - if (*buf != NULL) { - mem_free(*buf); - } - - *buf = mem_alloc2(prefix_len, buf_size); - } - - memcpy(*buf, lens + 1, prefix_len); - - return(*buf + (rec - (lens + 1))); -} - -/***************************************************************//** -Validates the consistency of an old-style physical record. -@return TRUE if ok */ -static -ibool -rec_validate_old( -/*=============*/ - const rec_t* rec) /*!< in: physical record */ -{ - const byte* data; - ulint len; - ulint n_fields; - ulint len_sum = 0; - ulint sum = 0; - ulint i; - - ut_a(rec); - n_fields = rec_get_n_fields_old(rec); - - if ((n_fields == 0) || (n_fields > REC_MAX_N_FIELDS)) { - fprintf(stderr, "InnoDB: Error: record has %lu fields\n", - (ulong) n_fields); - return(FALSE); - } - - for (i = 0; i < n_fields; i++) { - data = rec_get_nth_field_old(rec, i, &len); - - if (!((len < UNIV_PAGE_SIZE) || (len == UNIV_SQL_NULL))) { - fprintf(stderr, - "InnoDB: Error: record field %lu len %lu\n", - (ulong) i, - (ulong) len); - return(FALSE); - } - - if (len != UNIV_SQL_NULL) { - len_sum += len; - sum += *(data + len -1); /* dereference the - end of the field to - cause a memory trap - if possible */ - } else { - len_sum += rec_get_nth_field_size(rec, i); - } - } - - if (len_sum != rec_get_data_size_old(rec)) { - fprintf(stderr, - "InnoDB: Error: record len should be %lu, len %lu\n", - (ulong) len_sum, - rec_get_data_size_old(rec)); - return(FALSE); - } - - rec_dummy = sum; /* This is here only to fool the compiler */ - - return(TRUE); -} - -/***************************************************************//** -Validates the consistency of a physical record. -@return TRUE if ok */ -UNIV_INTERN -ibool -rec_validate( -/*=========*/ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - const byte* data; - ulint len; - ulint n_fields; - ulint len_sum = 0; - ulint sum = 0; - ulint i; - - ut_a(rec); - n_fields = rec_offs_n_fields(offsets); - - if ((n_fields == 0) || (n_fields > REC_MAX_N_FIELDS)) { - fprintf(stderr, "InnoDB: Error: record has %lu fields\n", - (ulong) n_fields); - return(FALSE); - } - - ut_a(rec_offs_comp(offsets) || n_fields <= rec_get_n_fields_old(rec)); - - for (i = 0; i < n_fields; i++) { - data = rec_get_nth_field(rec, offsets, i, &len); - - if (!((len < UNIV_PAGE_SIZE) || (len == UNIV_SQL_NULL))) { - fprintf(stderr, - "InnoDB: Error: record field %lu len %lu\n", - (ulong) i, - (ulong) len); - return(FALSE); - } - - if (len != UNIV_SQL_NULL) { - len_sum += len; - sum += *(data + len -1); /* dereference the - end of the field to - cause a memory trap - if possible */ - } else if (!rec_offs_comp(offsets)) { - len_sum += rec_get_nth_field_size(rec, i); - } - } - - if (len_sum != rec_offs_data_size(offsets)) { - fprintf(stderr, - "InnoDB: Error: record len should be %lu, len %lu\n", - (ulong) len_sum, - (ulong) rec_offs_data_size(offsets)); - return(FALSE); - } - - rec_dummy = sum; /* This is here only to fool the compiler */ - - if (!rec_offs_comp(offsets)) { - ut_a(rec_validate_old(rec)); - } - - return(TRUE); -} - -/***************************************************************//** -Prints an old-style physical record. */ -UNIV_INTERN -void -rec_print_old( -/*==========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec) /*!< in: physical record */ -{ - const byte* data; - ulint len; - ulint n; - ulint i; - - ut_ad(rec); - - n = rec_get_n_fields_old(rec); - - fprintf(file, "PHYSICAL RECORD: n_fields %lu;" - " %u-byte offsets; info bits %lu\n", - (ulong) n, - rec_get_1byte_offs_flag(rec) ? 1 : 2, - (ulong) rec_get_info_bits(rec, FALSE)); - - for (i = 0; i < n; i++) { - - data = rec_get_nth_field_old(rec, i, &len); - - fprintf(file, " %lu:", (ulong) i); - - if (len != UNIV_SQL_NULL) { - if (len <= 30) { - - ut_print_buf(file, data, len); - } else { - ut_print_buf(file, data, 30); - - fprintf(file, " (total %lu bytes)", - (ulong) len); - } - } else { - fprintf(file, " SQL NULL, size %lu ", - rec_get_nth_field_size(rec, i)); - } - - putc(';', file); - putc('\n', file); - } - - rec_validate_old(rec); -} - -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Prints a physical record in ROW_FORMAT=COMPACT. Ignores the -record header. */ -UNIV_INTERN -void -rec_print_comp( -/*===========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ulint i; - - for (i = 0; i < rec_offs_n_fields(offsets); i++) { - const byte* data; - ulint len; - - data = rec_get_nth_field(rec, offsets, i, &len); - - fprintf(file, " %lu:", (ulong) i); - - if (len != UNIV_SQL_NULL) { - if (len <= 30) { - - ut_print_buf(file, data, len); - } else { - ut_print_buf(file, data, 30); - - fprintf(file, " (total %lu bytes)", - (ulong) len); - } - } else { - fputs(" SQL NULL", file); - } - putc(';', file); - putc('\n', file); - } -} - -/***************************************************************//** -Prints a physical record. */ -UNIV_INTERN -void -rec_print_new( -/*==========*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - const ulint* offsets)/*!< in: array returned by rec_get_offsets() */ -{ - ut_ad(rec); - ut_ad(offsets); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - if (!rec_offs_comp(offsets)) { - rec_print_old(file, rec); - return; - } - - fprintf(file, "PHYSICAL RECORD: n_fields %lu;" - " compact format; info bits %lu\n", - (ulong) rec_offs_n_fields(offsets), - (ulong) rec_get_info_bits(rec, TRUE)); - - rec_print_comp(file, rec, offsets); - rec_validate(rec, offsets); -} - -/***************************************************************//** -Prints a physical record. */ -UNIV_INTERN -void -rec_print( -/*======*/ - FILE* file, /*!< in: file where to print */ - const rec_t* rec, /*!< in: physical record */ - dict_index_t* index) /*!< in: record descriptor */ -{ - ut_ad(index); - - if (!dict_table_is_comp(index->table)) { - rec_print_old(file, rec); - return; - } else { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - rec_print_new(file, rec, - rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/revert_gen.sh b/perfschema/revert_gen.sh deleted file mode 100755 index 231e05a21e0..00000000000 --- a/perfschema/revert_gen.sh +++ /dev/null @@ -1,8 +0,0 @@ -#!/bin/bash -# -# revert changes to all generated files. this is useful in some situations -# when merging changes between branches. - -set -eu - -svn revert include/pars0grm.h pars/pars0grm.h pars/lexyy.c pars/pars0grm.c diff --git a/perfschema/row/row0ext.c b/perfschema/row/row0ext.c deleted file mode 100644 index 7320f5b1dca..00000000000 --- a/perfschema/row/row0ext.c +++ /dev/null @@ -1,115 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0ext.c -Caching of externally stored column prefixes - -Created September 2006 Marko Makela -*******************************************************/ - -#include "row0ext.h" - -#ifdef UNIV_NONINL -#include "row0ext.ic" -#endif - -#include "btr0cur.h" - -/********************************************************************//** -Fills the column prefix cache of an externally stored column. */ -static -void -row_ext_cache_fill( -/*===============*/ - row_ext_t* ext, /*!< in/out: column prefix cache */ - ulint i, /*!< in: index of ext->ext[] */ - ulint zip_size,/*!< compressed page size in bytes, or 0 */ - const dfield_t* dfield) /*!< in: data field */ -{ - const byte* field = dfield_get_data(dfield); - ulint f_len = dfield_get_len(dfield); - byte* buf = ext->buf + i * REC_MAX_INDEX_COL_LEN; - - ut_ad(i < ext->n_ext); - ut_ad(dfield_is_ext(dfield)); - ut_a(f_len >= BTR_EXTERN_FIELD_REF_SIZE); - - if (UNIV_UNLIKELY(!memcmp(field_ref_zero, - field + f_len - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE))) { - /* The BLOB pointer is not set: we cannot fetch it */ - ext->len[i] = 0; - } else { - /* Fetch at most REC_MAX_INDEX_COL_LEN of the column. - The column should be non-empty. However, - trx_rollback_or_clean_all_recovered() may try to - access a half-deleted BLOB if the server previously - crashed during the execution of - btr_free_externally_stored_field(). */ - ext->len[i] = btr_copy_externally_stored_field_prefix( - buf, REC_MAX_INDEX_COL_LEN, zip_size, field, f_len); - } -} - -/********************************************************************//** -Creates a cache of column prefixes of externally stored columns. -@return own: column prefix cache */ -UNIV_INTERN -row_ext_t* -row_ext_create( -/*===========*/ - ulint n_ext, /*!< in: number of externally stored columns */ - const ulint* ext, /*!< in: col_no's of externally stored columns - in the InnoDB table object, as reported by - dict_col_get_no(); NOT relative to the records - in the clustered index */ - const dtuple_t* tuple, /*!< in: data tuple containing the field - references of the externally stored - columns; must be indexed by col_no; - the clustered index record must be - covered by a lock or a page latch - to prevent deletion (rollback or purge). */ - ulint zip_size,/*!< compressed page size in bytes, or 0 */ - mem_heap_t* heap) /*!< in: heap where created */ -{ - ulint i; - row_ext_t* ret = mem_heap_alloc(heap, (sizeof *ret) - + (n_ext - 1) * sizeof ret->len); - - ut_ad(ut_is_2pow(zip_size)); - ut_ad(zip_size <= UNIV_PAGE_SIZE); - - ret->n_ext = n_ext; - ret->ext = ext; - ret->buf = mem_heap_alloc(heap, n_ext * REC_MAX_INDEX_COL_LEN); -#ifdef UNIV_DEBUG - memset(ret->buf, 0xaa, n_ext * REC_MAX_INDEX_COL_LEN); - UNIV_MEM_ALLOC(ret->buf, n_ext * REC_MAX_INDEX_COL_LEN); -#endif - - /* Fetch the BLOB prefixes */ - for (i = 0; i < n_ext; i++) { - const dfield_t* dfield; - - dfield = dtuple_get_nth_field(tuple, ext[i]); - row_ext_cache_fill(ret, i, zip_size, dfield); - } - - return(ret); -} diff --git a/perfschema/row/row0ins.c b/perfschema/row/row0ins.c deleted file mode 100644 index 906aaae2412..00000000000 --- a/perfschema/row/row0ins.c +++ /dev/null @@ -1,2515 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0ins.c -Insert into a table - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - -#include "row0ins.h" - -#ifdef UNIV_NONINL -#include "row0ins.ic" -#endif - -#include "ha_prototypes.h" -#include "dict0dict.h" -#include "dict0boot.h" -#include "trx0undo.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "mach0data.h" -#include "que0que.h" -#include "row0upd.h" -#include "row0sel.h" -#include "row0row.h" -#include "rem0cmp.h" -#include "lock0lock.h" -#include "log0log.h" -#include "eval0eval.h" -#include "data0data.h" -#include "usr0sess.h" -#include "buf0lru.h" - -#define ROW_INS_PREV 1 -#define ROW_INS_NEXT 2 - - -/*********************************************************************//** -Creates an insert node struct. -@return own: insert node struct */ -UNIV_INTERN -ins_node_t* -ins_node_create( -/*============*/ - ulint ins_type, /*!< in: INS_VALUES, ... */ - dict_table_t* table, /*!< in: table where to insert */ - mem_heap_t* heap) /*!< in: mem heap where created */ -{ - ins_node_t* node; - - node = mem_heap_alloc(heap, sizeof(ins_node_t)); - - node->common.type = QUE_NODE_INSERT; - - node->ins_type = ins_type; - - node->state = INS_NODE_SET_IX_LOCK; - node->table = table; - node->index = NULL; - node->entry = NULL; - - node->select = NULL; - - node->trx_id = ut_dulint_zero; - - node->entry_sys_heap = mem_heap_create(128); - - node->magic_n = INS_NODE_MAGIC_N; - - return(node); -} - -/***********************************************************//** -Creates an entry template for each index of a table. */ -UNIV_INTERN -void -ins_node_create_entry_list( -/*=======================*/ - ins_node_t* node) /*!< in: row insert node */ -{ - dict_index_t* index; - dtuple_t* entry; - - ut_ad(node->entry_sys_heap); - - UT_LIST_INIT(node->entry_list); - - index = dict_table_get_first_index(node->table); - - while (index != NULL) { - entry = row_build_index_entry(node->row, NULL, index, - node->entry_sys_heap); - UT_LIST_ADD_LAST(tuple_list, node->entry_list, entry); - - index = dict_table_get_next_index(index); - } -} - -/*****************************************************************//** -Adds system field buffers to a row. */ -static -void -row_ins_alloc_sys_fields( -/*=====================*/ - ins_node_t* node) /*!< in: insert node */ -{ - dtuple_t* row; - dict_table_t* table; - mem_heap_t* heap; - const dict_col_t* col; - dfield_t* dfield; - byte* ptr; - - row = node->row; - table = node->table; - heap = node->entry_sys_heap; - - ut_ad(row && table && heap); - ut_ad(dtuple_get_n_fields(row) == dict_table_get_n_cols(table)); - - /* 1. Allocate buffer for row id */ - - col = dict_table_get_sys_col(table, DATA_ROW_ID); - - dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - - ptr = mem_heap_zalloc(heap, DATA_ROW_ID_LEN); - - dfield_set_data(dfield, ptr, DATA_ROW_ID_LEN); - - node->row_id_buf = ptr; - - /* 3. Allocate buffer for trx id */ - - col = dict_table_get_sys_col(table, DATA_TRX_ID); - - dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - ptr = mem_heap_zalloc(heap, DATA_TRX_ID_LEN); - - dfield_set_data(dfield, ptr, DATA_TRX_ID_LEN); - - node->trx_id_buf = ptr; - - /* 4. Allocate buffer for roll ptr */ - - col = dict_table_get_sys_col(table, DATA_ROLL_PTR); - - dfield = dtuple_get_nth_field(row, dict_col_get_no(col)); - ptr = mem_heap_zalloc(heap, DATA_ROLL_PTR_LEN); - - dfield_set_data(dfield, ptr, DATA_ROLL_PTR_LEN); -} - -/*********************************************************************//** -Sets a new row to insert for an INS_DIRECT node. This function is only used -if we have constructed the row separately, which is a rare case; this -function is quite slow. */ -UNIV_INTERN -void -ins_node_set_new_row( -/*=================*/ - ins_node_t* node, /*!< in: insert node */ - dtuple_t* row) /*!< in: new row (or first row) for the node */ -{ - node->state = INS_NODE_SET_IX_LOCK; - node->index = NULL; - node->entry = NULL; - - node->row = row; - - mem_heap_empty(node->entry_sys_heap); - - /* Create templates for index entries */ - - ins_node_create_entry_list(node); - - /* Allocate from entry_sys_heap buffers for sys fields */ - - row_ins_alloc_sys_fields(node); - - /* As we allocated a new trx id buf, the trx id should be written - there again: */ - - node->trx_id = ut_dulint_zero; -} - -/*******************************************************************//** -Does an insert operation by updating a delete-marked existing record -in the index. This situation can occur if the delete-marked record is -kept in the index for consistent reads. -@return DB_SUCCESS or error code */ -static -ulint -row_ins_sec_index_entry_by_modify( -/*==============================*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, - depending on whether mtr holds just a leaf - latch or also a tree latch */ - btr_cur_t* cursor, /*!< in: B-tree cursor */ - const dtuple_t* entry, /*!< in: index entry to insert */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; must be committed before - latching any further pages */ -{ - big_rec_t* dummy_big_rec; - mem_heap_t* heap; - upd_t* update; - rec_t* rec; - ulint err; - - rec = btr_cur_get_rec(cursor); - - ut_ad(!dict_index_is_clust(cursor->index)); - ut_ad(rec_get_deleted_flag(rec, - dict_table_is_comp(cursor->index->table))); - - /* We know that in the alphabetical ordering, entry and rec are - identified. But in their binary form there may be differences if - there are char fields in them. Therefore we have to calculate the - difference. */ - - heap = mem_heap_create(1024); - - update = row_upd_build_sec_rec_difference_binary( - cursor->index, entry, rec, thr_get_trx(thr), heap); - if (mode == BTR_MODIFY_LEAF) { - /* Try an optimistic updating of the record, keeping changes - within the page */ - - err = btr_cur_optimistic_update(BTR_KEEP_SYS_FLAG, cursor, - update, 0, thr, mtr); - switch (err) { - case DB_OVERFLOW: - case DB_UNDERFLOW: - case DB_ZIP_OVERFLOW: - err = DB_FAIL; - } - } else { - ut_a(mode == BTR_MODIFY_TREE); - if (buf_LRU_buf_pool_running_out()) { - - err = DB_LOCK_TABLE_FULL; - - goto func_exit; - } - - err = btr_cur_pessimistic_update(BTR_KEEP_SYS_FLAG, cursor, - &heap, &dummy_big_rec, update, - 0, thr, mtr); - ut_ad(!dummy_big_rec); - } -func_exit: - mem_heap_free(heap); - - return(err); -} - -/*******************************************************************//** -Does an insert operation by delete unmarking and updating a delete marked -existing record in the index. This situation can occur if the delete marked -record is kept in the index for consistent reads. -@return DB_SUCCESS, DB_FAIL, or error code */ -static -ulint -row_ins_clust_index_entry_by_modify( -/*================================*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, - depending on whether mtr holds just a leaf - latch or also a tree latch */ - btr_cur_t* cursor, /*!< in: B-tree cursor */ - mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */ - big_rec_t** big_rec,/*!< out: possible big rec vector of fields - which have to be stored externally by the - caller */ - const dtuple_t* entry, /*!< in: index entry to insert */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; must be committed before - latching any further pages */ -{ - rec_t* rec; - upd_t* update; - ulint err; - - ut_ad(dict_index_is_clust(cursor->index)); - - *big_rec = NULL; - - rec = btr_cur_get_rec(cursor); - - ut_ad(rec_get_deleted_flag(rec, - dict_table_is_comp(cursor->index->table))); - - if (!*heap) { - *heap = mem_heap_create(1024); - } - - /* Build an update vector containing all the fields to be modified; - NOTE that this vector may NOT contain system columns trx_id or - roll_ptr */ - - update = row_upd_build_difference_binary(cursor->index, entry, rec, - thr_get_trx(thr), *heap); - if (mode == BTR_MODIFY_LEAF) { - /* Try optimistic updating of the record, keeping changes - within the page */ - - err = btr_cur_optimistic_update(0, cursor, update, 0, thr, - mtr); - switch (err) { - case DB_OVERFLOW: - case DB_UNDERFLOW: - case DB_ZIP_OVERFLOW: - err = DB_FAIL; - } - } else { - ut_a(mode == BTR_MODIFY_TREE); - if (buf_LRU_buf_pool_running_out()) { - - return(DB_LOCK_TABLE_FULL); - - } - err = btr_cur_pessimistic_update(0, cursor, - heap, big_rec, update, - 0, thr, mtr); - } - - return(err); -} - -/*********************************************************************//** -Returns TRUE if in a cascaded update/delete an ancestor node of node -updates (not DELETE, but UPDATE) table. -@return TRUE if an ancestor updates table */ -static -ibool -row_ins_cascade_ancestor_updates_table( -/*===================================*/ - que_node_t* node, /*!< in: node in a query graph */ - dict_table_t* table) /*!< in: table */ -{ - que_node_t* parent; - upd_node_t* upd_node; - - parent = que_node_get_parent(node); - - while (que_node_get_type(parent) == QUE_NODE_UPDATE) { - - upd_node = parent; - - if (upd_node->table == table && upd_node->is_delete == FALSE) { - - return(TRUE); - } - - parent = que_node_get_parent(parent); - - ut_a(parent); - } - - return(FALSE); -} - -/*********************************************************************//** -Returns the number of ancestor UPDATE or DELETE nodes of a -cascaded update/delete node. -@return number of ancestors */ -static -ulint -row_ins_cascade_n_ancestors( -/*========================*/ - que_node_t* node) /*!< in: node in a query graph */ -{ - que_node_t* parent; - ulint n_ancestors = 0; - - parent = que_node_get_parent(node); - - while (que_node_get_type(parent) == QUE_NODE_UPDATE) { - n_ancestors++; - - parent = que_node_get_parent(parent); - - ut_a(parent); - } - - return(n_ancestors); -} - -/******************************************************************//** -Calculates the update vector node->cascade->update for a child table in -a cascaded update. -@return number of fields in the calculated update vector; the value -can also be 0 if no foreign key fields changed; the returned value is -ULINT_UNDEFINED if the column type in the child table is too short to -fit the new value in the parent table: that means the update fails */ -static -ulint -row_ins_cascade_calc_update_vec( -/*============================*/ - upd_node_t* node, /*!< in: update node of the parent - table */ - dict_foreign_t* foreign, /*!< in: foreign key constraint whose - type is != 0 */ - mem_heap_t* heap) /*!< in: memory heap to use as - temporary storage */ -{ - upd_node_t* cascade = node->cascade_node; - dict_table_t* table = foreign->foreign_table; - dict_index_t* index = foreign->foreign_index; - upd_t* update; - upd_field_t* ufield; - dict_table_t* parent_table; - dict_index_t* parent_index; - upd_t* parent_update; - upd_field_t* parent_ufield; - ulint n_fields_updated; - ulint parent_field_no; - ulint i; - ulint j; - - ut_a(node); - ut_a(foreign); - ut_a(cascade); - ut_a(table); - ut_a(index); - - /* Calculate the appropriate update vector which will set the fields - in the child index record to the same value (possibly padded with - spaces if the column is a fixed length CHAR or FIXBINARY column) as - the referenced index record will get in the update. */ - - parent_table = node->table; - ut_a(parent_table == foreign->referenced_table); - parent_index = foreign->referenced_index; - parent_update = node->update; - - update = cascade->update; - - update->info_bits = 0; - update->n_fields = foreign->n_fields; - - n_fields_updated = 0; - - for (i = 0; i < foreign->n_fields; i++) { - - parent_field_no = dict_table_get_nth_col_pos( - parent_table, - dict_index_get_nth_col_no(parent_index, i)); - - for (j = 0; j < parent_update->n_fields; j++) { - parent_ufield = parent_update->fields + j; - - if (parent_ufield->field_no == parent_field_no) { - - ulint min_size; - const dict_col_t* col; - ulint ufield_len; - - col = dict_index_get_nth_col(index, i); - - /* A field in the parent index record is - updated. Let us make the update vector - field for the child table. */ - - ufield = update->fields + n_fields_updated; - - ufield->field_no - = dict_table_get_nth_col_pos( - table, dict_col_get_no(col)); - ufield->exp = NULL; - - ufield->new_val = parent_ufield->new_val; - ufield_len = dfield_get_len(&ufield->new_val); - - /* Clear the "external storage" flag */ - dfield_set_len(&ufield->new_val, ufield_len); - - /* Do not allow a NOT NULL column to be - updated as NULL */ - - if (dfield_is_null(&ufield->new_val) - && (col->prtype & DATA_NOT_NULL)) { - - return(ULINT_UNDEFINED); - } - - /* If the new value would not fit in the - column, do not allow the update */ - - if (!dfield_is_null(&ufield->new_val) - && dtype_get_at_most_n_mbchars( - col->prtype, - col->mbminlen, col->mbmaxlen, - col->len, - ufield_len, - dfield_get_data(&ufield->new_val)) - < ufield_len) { - - return(ULINT_UNDEFINED); - } - - /* If the parent column type has a different - length than the child column type, we may - need to pad with spaces the new value of the - child column */ - - min_size = dict_col_get_min_size(col); - - /* Because UNIV_SQL_NULL (the marker - of SQL NULL values) exceeds all possible - values of min_size, the test below will - not hold for SQL NULL columns. */ - - if (min_size > ufield_len) { - - char* pad_start; - const char* pad_end; - char* padded_data - = mem_heap_alloc( - heap, min_size); - pad_start = padded_data + ufield_len; - pad_end = padded_data + min_size; - - memcpy(padded_data, - dfield_get_data(&ufield - ->new_val), - dfield_get_len(&ufield - ->new_val)); - - switch (UNIV_EXPECT(col->mbminlen,1)) { - default: - ut_error; - return(ULINT_UNDEFINED); - case 1: - if (UNIV_UNLIKELY - (dtype_get_charset_coll( - col->prtype) - == DATA_MYSQL_BINARY_CHARSET_COLL)) { - /* Do not pad BINARY - columns. */ - return(ULINT_UNDEFINED); - } - - /* space=0x20 */ - memset(pad_start, 0x20, - pad_end - pad_start); - break; - case 2: - /* space=0x0020 */ - ut_a(!(ufield_len % 2)); - ut_a(!(min_size % 2)); - do { - *pad_start++ = 0x00; - *pad_start++ = 0x20; - } while (pad_start < pad_end); - break; - } - - dfield_set_data(&ufield->new_val, - padded_data, min_size); - } - - n_fields_updated++; - } - } - } - - update->n_fields = n_fields_updated; - - return(n_fields_updated); -} - -/*********************************************************************//** -Set detailed error message associated with foreign key errors for -the given transaction. */ -static -void -row_ins_set_detailed( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - dict_foreign_t* foreign) /*!< in: foreign key constraint */ -{ - mutex_enter(&srv_misc_tmpfile_mutex); - rewind(srv_misc_tmpfile); - - if (os_file_set_eof(srv_misc_tmpfile)) { - ut_print_name(srv_misc_tmpfile, trx, TRUE, - foreign->foreign_table_name); - dict_print_info_on_foreign_key_in_create_format( - srv_misc_tmpfile, trx, foreign, FALSE); - trx_set_detailed_error_from_file(trx, srv_misc_tmpfile); - } else { - trx_set_detailed_error(trx, "temp file operation failed"); - } - - mutex_exit(&srv_misc_tmpfile_mutex); -} - -/*********************************************************************//** -Reports a foreign key error associated with an update or a delete of a -parent table index entry. */ -static -void -row_ins_foreign_report_err( -/*=======================*/ - const char* errstr, /*!< in: error string from the viewpoint - of the parent table */ - que_thr_t* thr, /*!< in: query thread whose run_node - is an update node */ - dict_foreign_t* foreign, /*!< in: foreign key constraint */ - const rec_t* rec, /*!< in: a matching index record in the - child table */ - const dtuple_t* entry) /*!< in: index entry in the parent - table */ -{ - FILE* ef = dict_foreign_err_file; - trx_t* trx = thr_get_trx(thr); - - row_ins_set_detailed(trx, foreign); - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Transaction:\n", ef); - trx_print(ef, trx, 600); - - fputs("Foreign key constraint fails for table ", ef); - ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); - fputs(":\n", ef); - dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign, - TRUE); - putc('\n', ef); - fputs(errstr, ef); - fputs(" in parent table, in index ", ef); - ut_print_name(ef, trx, FALSE, foreign->referenced_index->name); - if (entry) { - fputs(" tuple:\n", ef); - dtuple_print(ef, entry); - } - fputs("\nBut in child table ", ef); - ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); - fputs(", in index ", ef); - ut_print_name(ef, trx, FALSE, foreign->foreign_index->name); - if (rec) { - fputs(", there is a record:\n", ef); - rec_print(ef, rec, foreign->foreign_index); - } else { - fputs(", the record is not available\n", ef); - } - putc('\n', ef); - - mutex_exit(&dict_foreign_err_mutex); -} - -/*********************************************************************//** -Reports a foreign key error to dict_foreign_err_file when we are trying -to add an index entry to a child table. Note that the adding may be the result -of an update, too. */ -static -void -row_ins_foreign_report_add_err( -/*===========================*/ - trx_t* trx, /*!< in: transaction */ - dict_foreign_t* foreign, /*!< in: foreign key constraint */ - const rec_t* rec, /*!< in: a record in the parent table: - it does not match entry because we - have an error! */ - const dtuple_t* entry) /*!< in: index entry to insert in the - child table */ -{ - FILE* ef = dict_foreign_err_file; - - row_ins_set_detailed(trx, foreign); - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Transaction:\n", ef); - trx_print(ef, trx, 600); - fputs("Foreign key constraint fails for table ", ef); - ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); - fputs(":\n", ef); - dict_print_info_on_foreign_key_in_create_format(ef, trx, foreign, - TRUE); - fputs("\nTrying to add in child table, in index ", ef); - ut_print_name(ef, trx, FALSE, foreign->foreign_index->name); - if (entry) { - fputs(" tuple:\n", ef); - /* TODO: DB_TRX_ID and DB_ROLL_PTR may be uninitialized. - It would be better to only display the user columns. */ - dtuple_print(ef, entry); - } - fputs("\nBut in parent table ", ef); - ut_print_name(ef, trx, TRUE, foreign->referenced_table_name); - fputs(", in index ", ef); - ut_print_name(ef, trx, FALSE, foreign->referenced_index->name); - fputs(",\nthe closest match we can find is record:\n", ef); - if (rec && page_rec_is_supremum(rec)) { - /* If the cursor ended on a supremum record, it is better - to report the previous record in the error message, so that - the user gets a more descriptive error message. */ - rec = page_rec_get_prev_const(rec); - } - - if (rec) { - rec_print(ef, rec, foreign->referenced_index); - } - putc('\n', ef); - - mutex_exit(&dict_foreign_err_mutex); -} - -/*********************************************************************//** -Invalidate the query cache for the given table. */ -static -void -row_ins_invalidate_query_cache( -/*===========================*/ - que_thr_t* thr, /*!< in: query thread whose run_node - is an update node */ - const char* name) /*!< in: table name prefixed with - database name and a '/' character */ -{ - char* buf; - char* ptr; - ulint len = strlen(name) + 1; - - buf = mem_strdupl(name, len); - - ptr = strchr(buf, '/'); - ut_a(ptr); - *ptr = '\0'; - - innobase_invalidate_query_cache(thr_get_trx(thr), buf, len); - mem_free(buf); -} - -/*********************************************************************//** -Perform referential actions or checks when a parent row is deleted or updated -and the constraint had an ON DELETE or ON UPDATE condition which was not -RESTRICT. -@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ -static -ulint -row_ins_foreign_check_on_constraint( -/*================================*/ - que_thr_t* thr, /*!< in: query thread whose run_node - is an update node */ - dict_foreign_t* foreign, /*!< in: foreign key constraint whose - type is != 0 */ - btr_pcur_t* pcur, /*!< in: cursor placed on a matching - index record in the child table */ - dtuple_t* entry, /*!< in: index entry in the parent - table */ - mtr_t* mtr) /*!< in: mtr holding the latch of pcur - page */ -{ - upd_node_t* node; - upd_node_t* cascade; - dict_table_t* table = foreign->foreign_table; - dict_index_t* index; - dict_index_t* clust_index; - dtuple_t* ref; - mem_heap_t* upd_vec_heap = NULL; - const rec_t* rec; - const rec_t* clust_rec; - const buf_block_t* clust_block; - upd_t* update; - ulint n_to_update; - ulint err; - ulint i; - trx_t* trx; - mem_heap_t* tmp_heap = NULL; - - ut_a(thr); - ut_a(foreign); - ut_a(pcur); - ut_a(mtr); - - trx = thr_get_trx(thr); - - /* Since we are going to delete or update a row, we have to invalidate - the MySQL query cache for table. A deadlock of threads is not possible - here because the caller of this function does not hold any latches with - the sync0sync.h rank above the kernel mutex. The query cache mutex has - a rank just above the kernel mutex. */ - - row_ins_invalidate_query_cache(thr, table->name); - - node = thr->run_node; - - if (node->is_delete && 0 == (foreign->type - & (DICT_FOREIGN_ON_DELETE_CASCADE - | DICT_FOREIGN_ON_DELETE_SET_NULL))) { - - row_ins_foreign_report_err("Trying to delete", - thr, foreign, - btr_pcur_get_rec(pcur), entry); - - return(DB_ROW_IS_REFERENCED); - } - - if (!node->is_delete && 0 == (foreign->type - & (DICT_FOREIGN_ON_UPDATE_CASCADE - | DICT_FOREIGN_ON_UPDATE_SET_NULL))) { - - /* This is an UPDATE */ - - row_ins_foreign_report_err("Trying to update", - thr, foreign, - btr_pcur_get_rec(pcur), entry); - - return(DB_ROW_IS_REFERENCED); - } - - if (node->cascade_node == NULL) { - /* Extend our query graph by creating a child to current - update node. The child is used in the cascade or set null - operation. */ - - node->cascade_heap = mem_heap_create(128); - node->cascade_node = row_create_update_node_for_mysql( - table, node->cascade_heap); - que_node_set_parent(node->cascade_node, node); - } - - /* Initialize cascade_node to do the operation we want. Note that we - use the SAME cascade node to do all foreign key operations of the - SQL DELETE: the table of the cascade node may change if there are - several child tables to the table where the delete is done! */ - - cascade = node->cascade_node; - - cascade->table = table; - - cascade->foreign = foreign; - - if (node->is_delete - && (foreign->type & DICT_FOREIGN_ON_DELETE_CASCADE)) { - cascade->is_delete = TRUE; - } else { - cascade->is_delete = FALSE; - - if (foreign->n_fields > cascade->update_n_fields) { - /* We have to make the update vector longer */ - - cascade->update = upd_create(foreign->n_fields, - node->cascade_heap); - cascade->update_n_fields = foreign->n_fields; - } - } - - /* We do not allow cyclic cascaded updating (DELETE is allowed, - but not UPDATE) of the same table, as this can lead to an infinite - cycle. Check that we are not updating the same table which is - already being modified in this cascade chain. We have to check - this also because the modification of the indexes of a 'parent' - table may still be incomplete, and we must avoid seeing the indexes - of the parent table in an inconsistent state! */ - - if (!cascade->is_delete - && row_ins_cascade_ancestor_updates_table(cascade, table)) { - - /* We do not know if this would break foreign key - constraints, but play safe and return an error */ - - err = DB_ROW_IS_REFERENCED; - - row_ins_foreign_report_err( - "Trying an update, possibly causing a cyclic" - " cascaded update\n" - "in the child table,", thr, foreign, - btr_pcur_get_rec(pcur), entry); - - goto nonstandard_exit_func; - } - - if (row_ins_cascade_n_ancestors(cascade) >= 15) { - err = DB_ROW_IS_REFERENCED; - - row_ins_foreign_report_err( - "Trying a too deep cascaded delete or update\n", - thr, foreign, btr_pcur_get_rec(pcur), entry); - - goto nonstandard_exit_func; - } - - index = btr_pcur_get_btr_cur(pcur)->index; - - ut_a(index == foreign->foreign_index); - - rec = btr_pcur_get_rec(pcur); - - if (dict_index_is_clust(index)) { - /* pcur is already positioned in the clustered index of - the child table */ - - clust_index = index; - clust_rec = rec; - clust_block = btr_pcur_get_block(pcur); - } else { - /* We have to look for the record in the clustered index - in the child table */ - - clust_index = dict_table_get_first_index(table); - - tmp_heap = mem_heap_create(256); - - ref = row_build_row_ref(ROW_COPY_POINTERS, index, rec, - tmp_heap); - btr_pcur_open_with_no_init(clust_index, ref, - PAGE_CUR_LE, BTR_SEARCH_LEAF, - cascade->pcur, 0, mtr); - - clust_rec = btr_pcur_get_rec(cascade->pcur); - clust_block = btr_pcur_get_block(cascade->pcur); - - if (!page_rec_is_user_rec(clust_rec) - || btr_pcur_get_low_match(cascade->pcur) - < dict_index_get_n_unique(clust_index)) { - - fputs("InnoDB: error in cascade of a foreign key op\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - - fputs("\n" - "InnoDB: record ", stderr); - rec_print(stderr, rec, index); - fputs("\n" - "InnoDB: clustered record ", stderr); - rec_print(stderr, clust_rec, clust_index); - fputs("\n" - "InnoDB: Submit a detailed bug report to" - " http://bugs.mysql.com\n", stderr); - - err = DB_SUCCESS; - - goto nonstandard_exit_func; - } - } - - /* Set an X-lock on the row to delete or update in the child table */ - - err = lock_table(0, table, LOCK_IX, thr); - - if (err == DB_SUCCESS) { - /* Here it suffices to use a LOCK_REC_NOT_GAP type lock; - we already have a normal shared lock on the appropriate - gap if the search criterion was not unique */ - - err = lock_clust_rec_read_check_and_lock_alt( - 0, clust_block, clust_rec, clust_index, - LOCK_X, LOCK_REC_NOT_GAP, thr); - } - - if (err != DB_SUCCESS) { - - goto nonstandard_exit_func; - } - - if (rec_get_deleted_flag(clust_rec, dict_table_is_comp(table))) { - /* This can happen if there is a circular reference of - rows such that cascading delete comes to delete a row - already in the process of being delete marked */ - err = DB_SUCCESS; - - goto nonstandard_exit_func; - } - - if ((node->is_delete - && (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL)) - || (!node->is_delete - && (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL))) { - - /* Build the appropriate update vector which sets - foreign->n_fields first fields in rec to SQL NULL */ - - update = cascade->update; - - update->info_bits = 0; - update->n_fields = foreign->n_fields; - - for (i = 0; i < foreign->n_fields; i++) { - upd_field_t* ufield = &update->fields[i]; - - ufield->field_no = dict_table_get_nth_col_pos( - table, - dict_index_get_nth_col_no(index, i)); - ufield->orig_len = 0; - ufield->exp = NULL; - dfield_set_null(&ufield->new_val); - } - } - - if (!node->is_delete - && (foreign->type & DICT_FOREIGN_ON_UPDATE_CASCADE)) { - - /* Build the appropriate update vector which sets changing - foreign->n_fields first fields in rec to new values */ - - upd_vec_heap = mem_heap_create(256); - - n_to_update = row_ins_cascade_calc_update_vec(node, foreign, - upd_vec_heap); - if (n_to_update == ULINT_UNDEFINED) { - err = DB_ROW_IS_REFERENCED; - - row_ins_foreign_report_err( - "Trying a cascaded update where the" - " updated value in the child\n" - "table would not fit in the length" - " of the column, or the value would\n" - "be NULL and the column is" - " declared as not NULL in the child table,", - thr, foreign, btr_pcur_get_rec(pcur), entry); - - goto nonstandard_exit_func; - } - - if (cascade->update->n_fields == 0) { - - /* The update does not change any columns referred - to in this foreign key constraint: no need to do - anything */ - - err = DB_SUCCESS; - - goto nonstandard_exit_func; - } - } - - /* Store pcur position and initialize or store the cascade node - pcur stored position */ - - btr_pcur_store_position(pcur, mtr); - - if (index == clust_index) { - btr_pcur_copy_stored_position(cascade->pcur, pcur); - } else { - btr_pcur_store_position(cascade->pcur, mtr); - } - - mtr_commit(mtr); - - ut_a(cascade->pcur->rel_pos == BTR_PCUR_ON); - - cascade->state = UPD_NODE_UPDATE_CLUSTERED; - - err = row_update_cascade_for_mysql(thr, cascade, - foreign->foreign_table); - - if (foreign->foreign_table->n_foreign_key_checks_running == 0) { - fprintf(stderr, - "InnoDB: error: table %s has the counter 0" - " though there is\n" - "InnoDB: a FOREIGN KEY check running on it.\n", - foreign->foreign_table->name); - } - - /* Release the data dictionary latch for a while, so that we do not - starve other threads from doing CREATE TABLE etc. if we have a huge - cascaded operation running. The counter n_foreign_key_checks_running - will prevent other users from dropping or ALTERing the table when we - release the latch. */ - - row_mysql_unfreeze_data_dictionary(thr_get_trx(thr)); - row_mysql_freeze_data_dictionary(thr_get_trx(thr)); - - mtr_start(mtr); - - /* Restore pcur position */ - - btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr); - - if (tmp_heap) { - mem_heap_free(tmp_heap); - } - - if (upd_vec_heap) { - mem_heap_free(upd_vec_heap); - } - - return(err); - -nonstandard_exit_func: - if (tmp_heap) { - mem_heap_free(tmp_heap); - } - - if (upd_vec_heap) { - mem_heap_free(upd_vec_heap); - } - - btr_pcur_store_position(pcur, mtr); - - mtr_commit(mtr); - mtr_start(mtr); - - btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr); - - return(err); -} - -/*********************************************************************//** -Sets a shared lock on a record. Used in locking possible duplicate key -records and also in checking foreign key constraints. -@return DB_SUCCESS or error code */ -static -ulint -row_ins_set_shared_rec_lock( -/*========================*/ - ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP type lock */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (dict_index_is_clust(index)) { - err = lock_clust_rec_read_check_and_lock( - 0, block, rec, index, offsets, LOCK_S, type, thr); - } else { - err = lock_sec_rec_read_check_and_lock( - 0, block, rec, index, offsets, LOCK_S, type, thr); - } - - return(err); -} - -/*********************************************************************//** -Sets a exclusive lock on a record. Used in locking possible duplicate key -records -@return DB_SUCCESS or error code */ -static -ulint -row_ins_set_exclusive_rec_lock( -/*===========================*/ - ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOCK_REC_NOT_GAP type lock */ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (dict_index_is_clust(index)) { - err = lock_clust_rec_read_check_and_lock( - 0, block, rec, index, offsets, LOCK_X, type, thr); - } else { - err = lock_sec_rec_read_check_and_lock( - 0, block, rec, index, offsets, LOCK_X, type, thr); - } - - return(err); -} - -/***************************************************************//** -Checks if foreign key constraint fails for an index entry. Sets shared locks -which lock either the success or the failure of the constraint. NOTE that -the caller must have a shared latch on dict_operation_lock. -@return DB_SUCCESS, DB_NO_REFERENCED_ROW, or DB_ROW_IS_REFERENCED */ -UNIV_INTERN -ulint -row_ins_check_foreign_constraint( -/*=============================*/ - ibool check_ref,/*!< in: TRUE if we want to check that - the referenced table is ok, FALSE if we - want to check the foreign key table */ - dict_foreign_t* foreign,/*!< in: foreign constraint; NOTE that the - tables mentioned in it must be in the - dictionary cache if they exist at all */ - dict_table_t* table, /*!< in: if check_ref is TRUE, then the foreign - table, else the referenced table */ - dtuple_t* entry, /*!< in: index entry for index */ - que_thr_t* thr) /*!< in: query thread */ -{ - upd_node_t* upd_node; - dict_table_t* check_table; - dict_index_t* check_index; - ulint n_fields_cmp; - btr_pcur_t pcur; - ibool moved; - int cmp; - ulint err; - ulint i; - mtr_t mtr; - trx_t* trx = thr_get_trx(thr); - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - -run_again: -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - err = DB_SUCCESS; - - if (trx->check_foreigns == FALSE) { - /* The user has suppressed foreign key checks currently for - this session */ - goto exit_func; - } - - /* If any of the foreign key fields in entry is SQL NULL, we - suppress the foreign key check: this is compatible with Oracle, - for example */ - - for (i = 0; i < foreign->n_fields; i++) { - if (UNIV_SQL_NULL == dfield_get_len( - dtuple_get_nth_field(entry, i))) { - - goto exit_func; - } - } - - if (que_node_get_type(thr->run_node) == QUE_NODE_UPDATE) { - upd_node = thr->run_node; - - if (!(upd_node->is_delete) && upd_node->foreign == foreign) { - /* If a cascaded update is done as defined by a - foreign key constraint, do not check that - constraint for the child row. In ON UPDATE CASCADE - the update of the parent row is only half done when - we come here: if we would check the constraint here - for the child row it would fail. - - A QUESTION remains: if in the child table there are - several constraints which refer to the same parent - table, we should merge all updates to the child as - one update? And the updates can be contradictory! - Currently we just perform the update associated - with each foreign key constraint, one after - another, and the user has problems predicting in - which order they are performed. */ - - goto exit_func; - } - } - - if (check_ref) { - check_table = foreign->referenced_table; - check_index = foreign->referenced_index; - } else { - check_table = foreign->foreign_table; - check_index = foreign->foreign_index; - } - - if (check_table == NULL || check_table->ibd_file_missing) { - if (check_ref) { - FILE* ef = dict_foreign_err_file; - - row_ins_set_detailed(trx, foreign); - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - fputs(" Transaction:\n", ef); - trx_print(ef, trx, 600); - fputs("Foreign key constraint fails for table ", ef); - ut_print_name(ef, trx, TRUE, - foreign->foreign_table_name); - fputs(":\n", ef); - dict_print_info_on_foreign_key_in_create_format( - ef, trx, foreign, TRUE); - fputs("\nTrying to add to index ", ef); - ut_print_name(ef, trx, FALSE, - foreign->foreign_index->name); - fputs(" tuple:\n", ef); - dtuple_print(ef, entry); - fputs("\nBut the parent table ", ef); - ut_print_name(ef, trx, TRUE, - foreign->referenced_table_name); - fputs("\nor its .ibd file does" - " not currently exist!\n", ef); - mutex_exit(&dict_foreign_err_mutex); - - err = DB_NO_REFERENCED_ROW; - } - - goto exit_func; - } - - ut_a(check_table); - ut_a(check_index); - - if (check_table != table) { - /* We already have a LOCK_IX on table, but not necessarily - on check_table */ - - err = lock_table(0, check_table, LOCK_IS, thr); - - if (err != DB_SUCCESS) { - - goto do_possible_lock_wait; - } - } - - mtr_start(&mtr); - - /* Store old value on n_fields_cmp */ - - n_fields_cmp = dtuple_get_n_fields_cmp(entry); - - dtuple_set_n_fields_cmp(entry, foreign->n_fields); - - btr_pcur_open(check_index, entry, PAGE_CUR_GE, - BTR_SEARCH_LEAF, &pcur, &mtr); - - /* Scan index records and check if there is a matching record */ - - for (;;) { - const rec_t* rec = btr_pcur_get_rec(&pcur); - const buf_block_t* block = btr_pcur_get_block(&pcur); - - if (page_rec_is_infimum(rec)) { - - goto next_rec; - } - - offsets = rec_get_offsets(rec, check_index, - offsets, ULINT_UNDEFINED, &heap); - - if (page_rec_is_supremum(rec)) { - - err = row_ins_set_shared_rec_lock(LOCK_ORDINARY, block, - rec, check_index, - offsets, thr); - if (err != DB_SUCCESS) { - - break; - } - - goto next_rec; - } - - cmp = cmp_dtuple_rec(entry, rec, offsets); - - if (cmp == 0) { - if (rec_get_deleted_flag(rec, - rec_offs_comp(offsets))) { - err = row_ins_set_shared_rec_lock( - LOCK_ORDINARY, block, - rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - - break; - } - } else { - /* Found a matching record. Lock only - a record because we can allow inserts - into gaps */ - - err = row_ins_set_shared_rec_lock( - LOCK_REC_NOT_GAP, block, - rec, check_index, offsets, thr); - - if (err != DB_SUCCESS) { - - break; - } - - if (check_ref) { - err = DB_SUCCESS; - - break; - } else if (foreign->type != 0) { - /* There is an ON UPDATE or ON DELETE - condition: check them in a separate - function */ - - err = row_ins_foreign_check_on_constraint( - thr, foreign, &pcur, entry, - &mtr); - if (err != DB_SUCCESS) { - /* Since reporting a plain - "duplicate key" error - message to the user in - cases where a long CASCADE - operation would lead to a - duplicate key in some - other table is very - confusing, map duplicate - key errors resulting from - FK constraints to a - separate error code. */ - - if (err == DB_DUPLICATE_KEY) { - err = DB_FOREIGN_DUPLICATE_KEY; - } - - break; - } - - /* row_ins_foreign_check_on_constraint - may have repositioned pcur on a - different block */ - block = btr_pcur_get_block(&pcur); - } else { - row_ins_foreign_report_err( - "Trying to delete or update", - thr, foreign, rec, entry); - - err = DB_ROW_IS_REFERENCED; - break; - } - } - } - - if (cmp < 0) { - err = row_ins_set_shared_rec_lock( - LOCK_GAP, block, - rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - - break; - } - - if (check_ref) { - err = DB_NO_REFERENCED_ROW; - row_ins_foreign_report_add_err( - trx, foreign, rec, entry); - } else { - err = DB_SUCCESS; - } - - break; - } - - ut_a(cmp == 0); -next_rec: - moved = btr_pcur_move_to_next(&pcur, &mtr); - - if (!moved) { - if (check_ref) { - rec = btr_pcur_get_rec(&pcur); - row_ins_foreign_report_add_err( - trx, foreign, rec, entry); - err = DB_NO_REFERENCED_ROW; - } else { - err = DB_SUCCESS; - } - - break; - } - } - - btr_pcur_close(&pcur); - - mtr_commit(&mtr); - - /* Restore old value */ - dtuple_set_n_fields_cmp(entry, n_fields_cmp); - -do_possible_lock_wait: - if (err == DB_LOCK_WAIT) { - trx->error_state = err; - - que_thr_stop_for_mysql(thr); - - srv_suspend_mysql_thread(thr); - - if (trx->error_state == DB_SUCCESS) { - - goto run_again; - } - - err = trx->error_state; - } - -exit_func: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/***************************************************************//** -Checks if foreign key constraints fail for an index entry. If index -is not mentioned in any constraint, this function does nothing, -Otherwise does searches to the indexes of referenced tables and -sets shared locks which lock either the success or the failure of -a constraint. -@return DB_SUCCESS or error code */ -static -ulint -row_ins_check_foreign_constraints( -/*==============================*/ - dict_table_t* table, /*!< in: table */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry for index */ - que_thr_t* thr) /*!< in: query thread */ -{ - dict_foreign_t* foreign; - ulint err; - trx_t* trx; - ibool got_s_lock = FALSE; - - trx = thr_get_trx(thr); - - foreign = UT_LIST_GET_FIRST(table->foreign_list); - - while (foreign) { - if (foreign->foreign_index == index) { - - if (foreign->referenced_table == NULL) { - dict_table_get(foreign->referenced_table_name, - FALSE); - } - - if (0 == trx->dict_operation_lock_mode) { - got_s_lock = TRUE; - - row_mysql_freeze_data_dictionary(trx); - } - - if (foreign->referenced_table) { - mutex_enter(&(dict_sys->mutex)); - - (foreign->referenced_table - ->n_foreign_key_checks_running)++; - - mutex_exit(&(dict_sys->mutex)); - } - - /* NOTE that if the thread ends up waiting for a lock - we will release dict_operation_lock temporarily! - But the counter on the table protects the referenced - table from being dropped while the check is running. */ - - err = row_ins_check_foreign_constraint( - TRUE, foreign, table, entry, thr); - - if (foreign->referenced_table) { - mutex_enter(&(dict_sys->mutex)); - - ut_a(foreign->referenced_table - ->n_foreign_key_checks_running > 0); - (foreign->referenced_table - ->n_foreign_key_checks_running)--; - - mutex_exit(&(dict_sys->mutex)); - } - - if (got_s_lock) { - row_mysql_unfreeze_data_dictionary(trx); - } - - if (err != DB_SUCCESS) { - return(err); - } - } - - foreign = UT_LIST_GET_NEXT(foreign_list, foreign); - } - - return(DB_SUCCESS); -} - -/***************************************************************//** -Checks if a unique key violation to rec would occur at the index entry -insert. -@return TRUE if error */ -static -ibool -row_ins_dupl_error_with_rec( -/*========================*/ - const rec_t* rec, /*!< in: user record; NOTE that we assume - that the caller already has a record lock on - the record! */ - const dtuple_t* entry, /*!< in: entry to insert */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - ulint matched_fields; - ulint matched_bytes; - ulint n_unique; - ulint i; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - n_unique = dict_index_get_n_unique(index); - - matched_fields = 0; - matched_bytes = 0; - - cmp_dtuple_rec_with_match(entry, rec, offsets, - &matched_fields, &matched_bytes); - - if (matched_fields < n_unique) { - - return(FALSE); - } - - /* In a unique secondary index we allow equal key values if they - contain SQL NULLs */ - - if (!dict_index_is_clust(index)) { - - for (i = 0; i < n_unique; i++) { - if (UNIV_SQL_NULL == dfield_get_len( - dtuple_get_nth_field(entry, i))) { - - return(FALSE); - } - } - } - - return(!rec_get_deleted_flag(rec, rec_offs_comp(offsets))); -} - -/***************************************************************//** -Scans a unique non-clustered index at a given index entry to determine -whether a uniqueness violation has occurred for the key value of the entry. -Set shared locks on possible duplicate records. -@return DB_SUCCESS, DB_DUPLICATE_KEY, or DB_LOCK_WAIT */ -static -ulint -row_ins_scan_sec_index_for_duplicate( -/*=================================*/ - dict_index_t* index, /*!< in: non-clustered unique index */ - dtuple_t* entry, /*!< in: index entry */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint n_unique; - ulint i; - int cmp; - ulint n_fields_cmp; - btr_pcur_t pcur; - ulint err = DB_SUCCESS; - unsigned allow_duplicates; - mtr_t mtr; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - n_unique = dict_index_get_n_unique(index); - - /* If the secondary index is unique, but one of the fields in the - n_unique first fields is NULL, a unique key violation cannot occur, - since we define NULL != NULL in this case */ - - for (i = 0; i < n_unique; i++) { - if (UNIV_SQL_NULL == dfield_get_len( - dtuple_get_nth_field(entry, i))) { - - return(DB_SUCCESS); - } - } - - mtr_start(&mtr); - - /* Store old value on n_fields_cmp */ - - n_fields_cmp = dtuple_get_n_fields_cmp(entry); - - dtuple_set_n_fields_cmp(entry, dict_index_get_n_unique(index)); - - btr_pcur_open(index, entry, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); - - allow_duplicates = thr_get_trx(thr)->duplicates & TRX_DUP_IGNORE; - - /* Scan index records and check if there is a duplicate */ - - do { - const rec_t* rec = btr_pcur_get_rec(&pcur); - const buf_block_t* block = btr_pcur_get_block(&pcur); - - if (page_rec_is_infimum(rec)) { - - continue; - } - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - if (allow_duplicates) { - - /* If the SQL-query will update or replace - duplicate key we will take X-lock for - duplicates ( REPLACE, LOAD DATAFILE REPLACE, - INSERT ON DUPLICATE KEY UPDATE). */ - - err = row_ins_set_exclusive_rec_lock( - LOCK_ORDINARY, block, - rec, index, offsets, thr); - } else { - - err = row_ins_set_shared_rec_lock( - LOCK_ORDINARY, block, - rec, index, offsets, thr); - } - - if (err != DB_SUCCESS) { - - break; - } - - if (page_rec_is_supremum(rec)) { - - continue; - } - - cmp = cmp_dtuple_rec(entry, rec, offsets); - - if (cmp == 0) { - if (row_ins_dupl_error_with_rec(rec, entry, - index, offsets)) { - err = DB_DUPLICATE_KEY; - - thr_get_trx(thr)->error_info = index; - - break; - } - } - - if (cmp < 0) { - break; - } - - ut_a(cmp == 0); - } while (btr_pcur_move_to_next(&pcur, &mtr)); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - mtr_commit(&mtr); - - /* Restore old value */ - dtuple_set_n_fields_cmp(entry, n_fields_cmp); - - return(err); -} - -/***************************************************************//** -Checks if a unique key violation error would occur at an index entry -insert. Sets shared locks on possible duplicate records. Works only -for a clustered index! -@return DB_SUCCESS if no error, DB_DUPLICATE_KEY if error, -DB_LOCK_WAIT if we have to wait for a lock on a possible duplicate -record */ -static -ulint -row_ins_duplicate_error_in_clust( -/*=============================*/ - btr_cur_t* cursor, /*!< in: B-tree cursor */ - dtuple_t* entry, /*!< in: entry to insert */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint err; - rec_t* rec; - ulint n_unique; - trx_t* trx = thr_get_trx(thr); - mem_heap_t*heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - UT_NOT_USED(mtr); - - ut_a(dict_index_is_clust(cursor->index)); - ut_ad(dict_index_is_unique(cursor->index)); - - /* NOTE: For unique non-clustered indexes there may be any number - of delete marked records with the same value for the non-clustered - index key (remember multiversioning), and which differ only in - the row refererence part of the index record, containing the - clustered index key fields. For such a secondary index record, - to avoid race condition, we must FIRST do the insertion and after - that check that the uniqueness condition is not breached! */ - - /* NOTE: A problem is that in the B-tree node pointers on an - upper level may match more to the entry than the actual existing - user records on the leaf level. So, even if low_match would suggest - that a duplicate key violation may occur, this may not be the case. */ - - n_unique = dict_index_get_n_unique(cursor->index); - - if (cursor->low_match >= n_unique) { - - rec = btr_cur_get_rec(cursor); - - if (!page_rec_is_infimum(rec)) { - offsets = rec_get_offsets(rec, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - - /* We set a lock on the possible duplicate: this - is needed in logical logging of MySQL to make - sure that in roll-forward we get the same duplicate - errors as in original execution */ - - if (trx->duplicates & TRX_DUP_IGNORE) { - - /* If the SQL-query will update or replace - duplicate key we will take X-lock for - duplicates ( REPLACE, LOAD DATAFILE REPLACE, - INSERT ON DUPLICATE KEY UPDATE). */ - - err = row_ins_set_exclusive_rec_lock( - LOCK_REC_NOT_GAP, - btr_cur_get_block(cursor), - rec, cursor->index, offsets, thr); - } else { - - err = row_ins_set_shared_rec_lock( - LOCK_REC_NOT_GAP, - btr_cur_get_block(cursor), rec, - cursor->index, offsets, thr); - } - - if (err != DB_SUCCESS) { - goto func_exit; - } - - if (row_ins_dupl_error_with_rec( - rec, entry, cursor->index, offsets)) { - trx->error_info = cursor->index; - err = DB_DUPLICATE_KEY; - goto func_exit; - } - } - } - - if (cursor->up_match >= n_unique) { - - rec = page_rec_get_next(btr_cur_get_rec(cursor)); - - if (!page_rec_is_supremum(rec)) { - offsets = rec_get_offsets(rec, cursor->index, offsets, - ULINT_UNDEFINED, &heap); - - if (trx->duplicates & TRX_DUP_IGNORE) { - - /* If the SQL-query will update or replace - duplicate key we will take X-lock for - duplicates ( REPLACE, LOAD DATAFILE REPLACE, - INSERT ON DUPLICATE KEY UPDATE). */ - - err = row_ins_set_exclusive_rec_lock( - LOCK_REC_NOT_GAP, - btr_cur_get_block(cursor), - rec, cursor->index, offsets, thr); - } else { - - err = row_ins_set_shared_rec_lock( - LOCK_REC_NOT_GAP, - btr_cur_get_block(cursor), - rec, cursor->index, offsets, thr); - } - - if (err != DB_SUCCESS) { - goto func_exit; - } - - if (row_ins_dupl_error_with_rec( - rec, entry, cursor->index, offsets)) { - trx->error_info = cursor->index; - err = DB_DUPLICATE_KEY; - goto func_exit; - } - } - - ut_a(!dict_index_is_clust(cursor->index)); - /* This should never happen */ - } - - err = DB_SUCCESS; -func_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/***************************************************************//** -Checks if an index entry has long enough common prefix with an existing -record so that the intended insert of the entry must be changed to a modify of -the existing record. In the case of a clustered index, the prefix must be -n_unique fields long, and in the case of a secondary index, all fields must be -equal. -@return 0 if no update, ROW_INS_PREV if previous should be updated; -currently we do the search so that only the low_match record can match -enough to the search tuple, not the next record */ -UNIV_INLINE -ulint -row_ins_must_modify( -/*================*/ - btr_cur_t* cursor) /*!< in: B-tree cursor */ -{ - ulint enough_match; - rec_t* rec; - - /* NOTE: (compare to the note in row_ins_duplicate_error) Because node - pointers on upper levels of the B-tree may match more to entry than - to actual user records on the leaf level, we have to check if the - candidate record is actually a user record. In a clustered index - node pointers contain index->n_unique first fields, and in the case - of a secondary index, all fields of the index. */ - - enough_match = dict_index_get_n_unique_in_tree(cursor->index); - - if (cursor->low_match >= enough_match) { - - rec = btr_cur_get_rec(cursor); - - if (!page_rec_is_infimum(rec)) { - - return(ROW_INS_PREV); - } - } - - return(0); -} - -/***************************************************************//** -Tries to insert an index entry to an index. If the index is clustered -and a record with the same unique key is found, the other record is -necessarily marked deleted by a committed transaction, or a unique key -violation error occurs. The delete marked record is then updated to an -existing record, and we must write an undo log record on the delete -marked record. If the index is secondary, and a record with exactly the -same fields is found, the other record is necessarily marked deleted. -It is then unmarked. Otherwise, the entry is just inserted to the index. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_FAIL if pessimistic retry needed, -or error code */ -static -ulint -row_ins_index_entry_low( -/*====================*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, - depending on whether we wish optimistic or - pessimistic descent down the index tree */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - que_thr_t* thr) /*!< in: query thread */ -{ - btr_cur_t cursor; - ulint search_mode; - ulint modify = 0; /* remove warning */ - rec_t* insert_rec; - rec_t* rec; - ulint err; - ulint n_unique; - big_rec_t* big_rec = NULL; - mtr_t mtr; - mem_heap_t* heap = NULL; - - log_free_check(); - - mtr_start(&mtr); - - cursor.thr = thr; - - /* Note that we use PAGE_CUR_LE as the search mode, because then - the function will return in both low_match and up_match of the - cursor sensible values */ - - if (dict_index_is_clust(index)) { - search_mode = mode; - } else if (!(thr_get_trx(thr)->check_unique_secondary)) { - search_mode = mode | BTR_INSERT | BTR_IGNORE_SEC_UNIQUE; - } else { - search_mode = mode | BTR_INSERT; - } - - btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, - search_mode, - &cursor, 0, __FILE__, __LINE__, &mtr); - - if (cursor.flag == BTR_CUR_INSERT_TO_IBUF) { - /* The insertion was made to the insert buffer already during - the search: we are done */ - - ut_ad(search_mode & BTR_INSERT); - err = DB_SUCCESS; - - goto function_exit; - } - -#ifdef UNIV_DEBUG - { - page_t* page = btr_cur_get_page(&cursor); - rec_t* first_rec = page_rec_get_next( - page_get_infimum_rec(page)); - - ut_ad(page_rec_is_supremum(first_rec) - || rec_get_n_fields(first_rec, index) - == dtuple_get_n_fields(entry)); - } -#endif - - n_unique = dict_index_get_n_unique(index); - - if (dict_index_is_unique(index) && (cursor.up_match >= n_unique - || cursor.low_match >= n_unique)) { - - if (dict_index_is_clust(index)) { - /* Note that the following may return also - DB_LOCK_WAIT */ - - err = row_ins_duplicate_error_in_clust( - &cursor, entry, thr, &mtr); - if (err != DB_SUCCESS) { - - goto function_exit; - } - } else { - mtr_commit(&mtr); - err = row_ins_scan_sec_index_for_duplicate( - index, entry, thr); - mtr_start(&mtr); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - /* We did not find a duplicate and we have now - locked with s-locks the necessary records to - prevent any insertion of a duplicate by another - transaction. Let us now reposition the cursor and - continue the insertion. */ - - btr_cur_search_to_nth_level(index, 0, entry, - PAGE_CUR_LE, - mode | BTR_INSERT, - &cursor, 0, - __FILE__, __LINE__, &mtr); - } - } - - modify = row_ins_must_modify(&cursor); - - if (modify != 0) { - /* There is already an index entry with a long enough common - prefix, we must convert the insert into a modify of an - existing record */ - - if (modify == ROW_INS_NEXT) { - rec = page_rec_get_next(btr_cur_get_rec(&cursor)); - - btr_cur_position(index, rec, - btr_cur_get_block(&cursor),&cursor); - } - - if (dict_index_is_clust(index)) { - err = row_ins_clust_index_entry_by_modify( - mode, &cursor, &heap, &big_rec, entry, - thr, &mtr); - } else { - ut_ad(!n_ext); - err = row_ins_sec_index_entry_by_modify( - mode, &cursor, entry, thr, &mtr); - } - } else { - if (mode == BTR_MODIFY_LEAF) { - err = btr_cur_optimistic_insert( - 0, &cursor, entry, &insert_rec, &big_rec, - n_ext, thr, &mtr); - } else { - ut_a(mode == BTR_MODIFY_TREE); - if (buf_LRU_buf_pool_running_out()) { - - err = DB_LOCK_TABLE_FULL; - - goto function_exit; - } - err = btr_cur_pessimistic_insert( - 0, &cursor, entry, &insert_rec, &big_rec, - n_ext, thr, &mtr); - } - } - -function_exit: - mtr_commit(&mtr); - - if (UNIV_LIKELY_NULL(big_rec)) { - rec_t* rec; - ulint* offsets; - mtr_start(&mtr); - - btr_cur_search_to_nth_level(index, 0, entry, PAGE_CUR_LE, - BTR_MODIFY_TREE, &cursor, 0, - __FILE__, __LINE__, &mtr); - rec = btr_cur_get_rec(&cursor); - offsets = rec_get_offsets(rec, index, NULL, - ULINT_UNDEFINED, &heap); - - err = btr_store_big_rec_extern_fields( - index, btr_cur_get_block(&cursor), - rec, offsets, big_rec, &mtr); - - if (modify) { - dtuple_big_rec_free(big_rec); - } else { - dtuple_convert_back_big_rec(index, entry, big_rec); - } - - mtr_commit(&mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/***************************************************************//** -Inserts an index entry to index. Tries first optimistic, then pessimistic -descent down the tree. If the entry matches enough to a delete marked record, -performs the insert by updating or delete unmarking the delete marked -record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DUPLICATE_KEY, or some other error code */ -UNIV_INTERN -ulint -row_ins_index_entry( -/*================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry to insert */ - ulint n_ext, /*!< in: number of externally stored columns */ - ibool foreign,/*!< in: TRUE=check foreign key constraints */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - if (foreign && UT_LIST_GET_FIRST(index->table->foreign_list)) { - err = row_ins_check_foreign_constraints(index->table, index, - entry, thr); - if (err != DB_SUCCESS) { - - return(err); - } - } - - /* Try first optimistic descent to the B-tree */ - - err = row_ins_index_entry_low(BTR_MODIFY_LEAF, index, entry, - n_ext, thr); - if (err != DB_FAIL) { - - return(err); - } - - /* Try then pessimistic descent to the B-tree */ - - err = row_ins_index_entry_low(BTR_MODIFY_TREE, index, entry, - n_ext, thr); - return(err); -} - -/***********************************************************//** -Sets the values of the dtuple fields in entry from the values of appropriate -columns in row. */ -static -void -row_ins_index_entry_set_vals( -/*=========================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry to make */ - const dtuple_t* row) /*!< in: row */ -{ - ulint n_fields; - ulint i; - - ut_ad(entry && row); - - n_fields = dtuple_get_n_fields(entry); - - for (i = 0; i < n_fields; i++) { - dict_field_t* ind_field; - dfield_t* field; - const dfield_t* row_field; - ulint len; - - field = dtuple_get_nth_field(entry, i); - ind_field = dict_index_get_nth_field(index, i); - row_field = dtuple_get_nth_field(row, ind_field->col->ind); - len = dfield_get_len(row_field); - - /* Check column prefix indexes */ - if (ind_field->prefix_len > 0 - && dfield_get_len(row_field) != UNIV_SQL_NULL) { - - const dict_col_t* col - = dict_field_get_col(ind_field); - - len = dtype_get_at_most_n_mbchars( - col->prtype, col->mbminlen, col->mbmaxlen, - ind_field->prefix_len, - len, dfield_get_data(row_field)); - - ut_ad(!dfield_is_ext(row_field)); - } - - dfield_set_data(field, dfield_get_data(row_field), len); - if (dfield_is_ext(row_field)) { - ut_ad(dict_index_is_clust(index)); - dfield_set_ext(field); - } - } -} - -/***********************************************************//** -Inserts a single index entry to the table. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_ins_index_entry_step( -/*=====================*/ - ins_node_t* node, /*!< in: row insert node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(dtuple_check_typed(node->row)); - - row_ins_index_entry_set_vals(node->index, node->entry, node->row); - - ut_ad(dtuple_check_typed(node->entry)); - - err = row_ins_index_entry(node->index, node->entry, 0, TRUE, thr); - - return(err); -} - -/***********************************************************//** -Allocates a row id for row and inits the node->index field. */ -UNIV_INLINE -void -row_ins_alloc_row_id_step( -/*======================*/ - ins_node_t* node) /*!< in: row insert node */ -{ - dulint row_id; - - ut_ad(node->state == INS_NODE_ALLOC_ROW_ID); - - if (dict_index_is_unique(dict_table_get_first_index(node->table))) { - - /* No row id is stored if the clustered index is unique */ - - return; - } - - /* Fill in row id value to row */ - - row_id = dict_sys_get_new_row_id(); - - dict_sys_write_row_id(node->row_id_buf, row_id); -} - -/***********************************************************//** -Gets a row to insert from the values list. */ -UNIV_INLINE -void -row_ins_get_row_from_values( -/*========================*/ - ins_node_t* node) /*!< in: row insert node */ -{ - que_node_t* list_node; - dfield_t* dfield; - dtuple_t* row; - ulint i; - - /* The field values are copied in the buffers of the select node and - it is safe to use them until we fetch from select again: therefore - we can just copy the pointers */ - - row = node->row; - - i = 0; - list_node = node->values_list; - - while (list_node) { - eval_exp(list_node); - - dfield = dtuple_get_nth_field(row, i); - dfield_copy_data(dfield, que_node_get_val(list_node)); - - i++; - list_node = que_node_get_next(list_node); - } -} - -/***********************************************************//** -Gets a row to insert from the select list. */ -UNIV_INLINE -void -row_ins_get_row_from_select( -/*========================*/ - ins_node_t* node) /*!< in: row insert node */ -{ - que_node_t* list_node; - dfield_t* dfield; - dtuple_t* row; - ulint i; - - /* The field values are copied in the buffers of the select node and - it is safe to use them until we fetch from select again: therefore - we can just copy the pointers */ - - row = node->row; - - i = 0; - list_node = node->select->select_list; - - while (list_node) { - dfield = dtuple_get_nth_field(row, i); - dfield_copy_data(dfield, que_node_get_val(list_node)); - - i++; - list_node = que_node_get_next(list_node); - } -} - -/***********************************************************//** -Inserts a row to a table. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_ins( -/*====*/ - ins_node_t* node, /*!< in: row insert node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(node && thr); - - if (node->state == INS_NODE_ALLOC_ROW_ID) { - - row_ins_alloc_row_id_step(node); - - node->index = dict_table_get_first_index(node->table); - node->entry = UT_LIST_GET_FIRST(node->entry_list); - - if (node->ins_type == INS_SEARCHED) { - - row_ins_get_row_from_select(node); - - } else if (node->ins_type == INS_VALUES) { - - row_ins_get_row_from_values(node); - } - - node->state = INS_NODE_INSERT_ENTRIES; - } - - ut_ad(node->state == INS_NODE_INSERT_ENTRIES); - - while (node->index != NULL) { - err = row_ins_index_entry_step(node, thr); - - if (err != DB_SUCCESS) { - - return(err); - } - - node->index = dict_table_get_next_index(node->index); - node->entry = UT_LIST_GET_NEXT(tuple_list, node->entry); - } - - ut_ad(node->entry == NULL); - - node->state = INS_NODE_ALLOC_ROW_ID; - - return(DB_SUCCESS); -} - -/***********************************************************//** -Inserts a row to a table. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_ins_step( -/*=========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ins_node_t* node; - que_node_t* parent; - sel_node_t* sel_node; - trx_t* trx; - ulint err; - - ut_ad(thr); - - trx = thr_get_trx(thr); - - trx_start_if_not_started(trx); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_INSERT); - - parent = que_node_get_parent(node); - sel_node = node->select; - - if (thr->prev_node == parent) { - node->state = INS_NODE_SET_IX_LOCK; - } - - /* If this is the first time this node is executed (or when - execution resumes after wait for the table IX lock), set an - IX lock on the table and reset the possible select node. MySQL's - partitioned table code may also call an insert within the same - SQL statement AFTER it has used this table handle to do a search. - This happens, for example, when a row update moves it to another - partition. In that case, we have already set the IX lock on the - table during the search operation, and there is no need to set - it again here. But we must write trx->id to node->trx_id_buf. */ - - trx_write_trx_id(node->trx_id_buf, trx->id); - - if (node->state == INS_NODE_SET_IX_LOCK) { - - /* It may be that the current session has not yet started - its transaction, or it has been committed: */ - - if (UT_DULINT_EQ(trx->id, node->trx_id)) { - /* No need to do IX-locking */ - - goto same_trx; - } - - err = lock_table(0, node->table, LOCK_IX, thr); - - if (err != DB_SUCCESS) { - - goto error_handling; - } - - node->trx_id = trx->id; -same_trx: - node->state = INS_NODE_ALLOC_ROW_ID; - - if (node->ins_type == INS_SEARCHED) { - /* Reset the cursor */ - sel_node->state = SEL_NODE_OPEN; - - /* Fetch a row to insert */ - - thr->run_node = sel_node; - - return(thr); - } - } - - if ((node->ins_type == INS_SEARCHED) - && (sel_node->state != SEL_NODE_FETCH)) { - - ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); - - /* No more rows to insert */ - thr->run_node = parent; - - return(thr); - } - - /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ - - err = row_ins(node, thr); - -error_handling: - trx->error_state = err; - - if (err != DB_SUCCESS) { - /* err == DB_LOCK_WAIT or SQL error detected */ - return(NULL); - } - - /* DO THE TRIGGER ACTIONS HERE */ - - if (node->ins_type == INS_SEARCHED) { - /* Fetch a row to insert */ - - thr->run_node = sel_node; - } else { - thr->run_node = que_node_get_parent(node); - } - - return(thr); -} diff --git a/perfschema/row/row0merge.c b/perfschema/row/row0merge.c deleted file mode 100644 index fdfe689ec90..00000000000 --- a/perfschema/row/row0merge.c +++ /dev/null @@ -1,2603 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0merge.c -New index creation routines using a merge sort - -Created 12/4/2005 Jan Lindstrom -Completed by Sunny Bains and Marko Makela -*******************************************************/ - -#include "row0merge.h" -#include "row0ext.h" -#include "row0row.h" -#include "row0upd.h" -#include "row0ins.h" -#include "row0sel.h" -#include "dict0dict.h" -#include "dict0mem.h" -#include "dict0boot.h" -#include "dict0crea.h" -#include "dict0load.h" -#include "btr0btr.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "trx0undo.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "que0que.h" -#include "rem0cmp.h" -#include "read0read.h" -#include "os0file.h" -#include "lock0lock.h" -#include "data0data.h" -#include "data0type.h" -#include "que0que.h" -#include "pars0pars.h" -#include "mem0mem.h" -#include "log0log.h" -#include "ut0sort.h" -#include "handler0alter.h" - -/* Ignore posix_fadvise() on those platforms where it does not exist */ -#if defined __WIN__ -# define posix_fadvise(fd, offset, len, advice) /* nothing */ -#endif /* __WIN__ */ - -#ifdef UNIV_DEBUG -/** Set these in order ot enable debug printout. */ -/* @{ */ -/** Log the outcome of each row_merge_cmp() call, comparing records. */ -static ibool row_merge_print_cmp; -/** Log each record read from temporary file. */ -static ibool row_merge_print_read; -/** Log each record write to temporary file. */ -static ibool row_merge_print_write; -/** Log each row_merge_blocks() call, merging two blocks of records to -a bigger one. */ -static ibool row_merge_print_block; -/** Log each block read from temporary file. */ -static ibool row_merge_print_block_read; -/** Log each block read from temporary file. */ -static ibool row_merge_print_block_write; -/* @} */ -#endif /* UNIV_DEBUG */ - -/** @brief Block size for I/O operations in merge sort. - -The minimum is UNIV_PAGE_SIZE, or page_get_free_space_of_empty() -rounded to a power of 2. - -When not creating a PRIMARY KEY that contains column prefixes, this -can be set as small as UNIV_PAGE_SIZE / 2. See the comment above -ut_ad(data_size < sizeof(row_merge_block_t)). */ -typedef byte row_merge_block_t[1048576]; - -/** @brief Secondary buffer for I/O operations of merge records. - -This buffer is used for writing or reading a record that spans two -row_merge_block_t. Thus, it must be able to hold one merge record, -whose maximum size is the same as the minimum size of -row_merge_block_t. */ -typedef byte mrec_buf_t[UNIV_PAGE_SIZE]; - -/** @brief Merge record in row_merge_block_t. - -The format is the same as a record in ROW_FORMAT=COMPACT with the -exception that the REC_N_NEW_EXTRA_BYTES are omitted. */ -typedef byte mrec_t; - -/** Buffer for sorting in main memory. */ -struct row_merge_buf_struct { - mem_heap_t* heap; /*!< memory heap where allocated */ - dict_index_t* index; /*!< the index the tuples belong to */ - ulint total_size; /*!< total amount of data bytes */ - ulint n_tuples; /*!< number of data tuples */ - ulint max_tuples; /*!< maximum number of data tuples */ - const dfield_t**tuples; /*!< array of pointers to - arrays of fields that form - the data tuples */ - const dfield_t**tmp_tuples; /*!< temporary copy of tuples, - for sorting */ -}; - -/** Buffer for sorting in main memory. */ -typedef struct row_merge_buf_struct row_merge_buf_t; - -/** Information about temporary files used in merge sort */ -struct merge_file_struct { - int fd; /*!< file descriptor */ - ulint offset; /*!< file offset (end of file) */ - ib_uint64_t n_rec; /*!< number of records in the file */ -}; - -/** Information about temporary files used in merge sort */ -typedef struct merge_file_struct merge_file_t; - -#ifdef UNIV_DEBUG -/******************************************************//** -Display a merge tuple. */ -static -void -row_merge_tuple_print( -/*==================*/ - FILE* f, /*!< in: output stream */ - const dfield_t* entry, /*!< in: tuple to print */ - ulint n_fields)/*!< in: number of fields in the tuple */ -{ - ulint j; - - for (j = 0; j < n_fields; j++) { - const dfield_t* field = &entry[j]; - - if (dfield_is_null(field)) { - fputs("\n NULL;", f); - } else { - ulint field_len = dfield_get_len(field); - ulint len = ut_min(field_len, 20); - if (dfield_is_ext(field)) { - fputs("\nE", f); - } else { - fputs("\n ", f); - } - ut_print_buf(f, dfield_get_data(field), len); - if (len != field_len) { - fprintf(f, " (total %lu bytes)", field_len); - } - } - } - putc('\n', f); -} -#endif /* UNIV_DEBUG */ - -/******************************************************//** -Allocate a sort buffer. -@return own: sort buffer */ -static -row_merge_buf_t* -row_merge_buf_create_low( -/*=====================*/ - mem_heap_t* heap, /*!< in: heap where allocated */ - dict_index_t* index, /*!< in: secondary index */ - ulint max_tuples, /*!< in: maximum number of data tuples */ - ulint buf_size) /*!< in: size of the buffer, in bytes */ -{ - row_merge_buf_t* buf; - - ut_ad(max_tuples > 0); - ut_ad(max_tuples <= sizeof(row_merge_block_t)); - ut_ad(max_tuples < buf_size); - - buf = mem_heap_zalloc(heap, buf_size); - buf->heap = heap; - buf->index = index; - buf->max_tuples = max_tuples; - buf->tuples = mem_heap_alloc(heap, - 2 * max_tuples * sizeof *buf->tuples); - buf->tmp_tuples = buf->tuples + max_tuples; - - return(buf); -} - -/******************************************************//** -Allocate a sort buffer. -@return own: sort buffer */ -static -row_merge_buf_t* -row_merge_buf_create( -/*=================*/ - dict_index_t* index) /*!< in: secondary index */ -{ - row_merge_buf_t* buf; - ulint max_tuples; - ulint buf_size; - mem_heap_t* heap; - - max_tuples = sizeof(row_merge_block_t) - / ut_max(1, dict_index_get_min_size(index)); - - buf_size = (sizeof *buf) + (max_tuples - 1) * sizeof *buf->tuples; - - heap = mem_heap_create(buf_size + sizeof(row_merge_block_t)); - - buf = row_merge_buf_create_low(heap, index, max_tuples, buf_size); - - return(buf); -} - -/******************************************************//** -Empty a sort buffer. -@return sort buffer */ -static -row_merge_buf_t* -row_merge_buf_empty( -/*================*/ - row_merge_buf_t* buf) /*!< in,own: sort buffer */ -{ - ulint buf_size; - ulint max_tuples = buf->max_tuples; - mem_heap_t* heap = buf->heap; - dict_index_t* index = buf->index; - - buf_size = (sizeof *buf) + (max_tuples - 1) * sizeof *buf->tuples; - - mem_heap_empty(heap); - - return(row_merge_buf_create_low(heap, index, max_tuples, buf_size)); -} - -/******************************************************//** -Deallocate a sort buffer. */ -static -void -row_merge_buf_free( -/*===============*/ - row_merge_buf_t* buf) /*!< in,own: sort buffer, to be freed */ -{ - mem_heap_free(buf->heap); -} - -/******************************************************//** -Insert a data tuple into a sort buffer. -@return TRUE if added, FALSE if out of space */ -static -ibool -row_merge_buf_add( -/*==============*/ - row_merge_buf_t* buf, /*!< in/out: sort buffer */ - const dtuple_t* row, /*!< in: row in clustered index */ - const row_ext_t* ext) /*!< in: cache of externally stored - column prefixes, or NULL */ -{ - ulint i; - ulint n_fields; - ulint data_size; - ulint extra_size; - const dict_index_t* index; - dfield_t* entry; - dfield_t* field; - - if (buf->n_tuples >= buf->max_tuples) { - return(FALSE); - } - - UNIV_PREFETCH_R(row->fields); - - index = buf->index; - - n_fields = dict_index_get_n_fields(index); - - entry = mem_heap_alloc(buf->heap, n_fields * sizeof *entry); - buf->tuples[buf->n_tuples] = entry; - field = entry; - - data_size = 0; - extra_size = UT_BITS_IN_BYTES(index->n_nullable); - - for (i = 0; i < n_fields; i++, field++) { - const dict_field_t* ifield; - const dict_col_t* col; - ulint col_no; - const dfield_t* row_field; - ulint len; - - ifield = dict_index_get_nth_field(index, i); - col = ifield->col; - col_no = dict_col_get_no(col); - row_field = dtuple_get_nth_field(row, col_no); - dfield_copy(field, row_field); - len = dfield_get_len(field); - - if (dfield_is_null(field)) { - ut_ad(!(col->prtype & DATA_NOT_NULL)); - continue; - } else if (UNIV_LIKELY(!ext)) { - } else if (dict_index_is_clust(index)) { - /* Flag externally stored fields. */ - const byte* buf = row_ext_lookup(ext, col_no, - &len); - if (UNIV_LIKELY_NULL(buf)) { - ut_a(buf != field_ref_zero); - if (i < dict_index_get_n_unique(index)) { - dfield_set_data(field, buf, len); - } else { - dfield_set_ext(field); - len = dfield_get_len(field); - } - } - } else { - const byte* buf = row_ext_lookup(ext, col_no, - &len); - if (UNIV_LIKELY_NULL(buf)) { - ut_a(buf != field_ref_zero); - dfield_set_data(field, buf, len); - } - } - - /* If a column prefix index, take only the prefix */ - - if (ifield->prefix_len) { - len = dtype_get_at_most_n_mbchars( - col->prtype, - col->mbminlen, col->mbmaxlen, - ifield->prefix_len, - len, dfield_get_data(field)); - dfield_set_len(field, len); - } - - ut_ad(len <= col->len || col->mtype == DATA_BLOB); - - if (ifield->fixed_len) { - ut_ad(len == ifield->fixed_len); - ut_ad(!dfield_is_ext(field)); - } else if (dfield_is_ext(field)) { - extra_size += 2; - } else if (len < 128 - || (col->len < 256 && col->mtype != DATA_BLOB)) { - extra_size++; - } else { - /* For variable-length columns, we look up the - maximum length from the column itself. If this - is a prefix index column shorter than 256 bytes, - this will waste one byte. */ - extra_size += 2; - } - data_size += len; - } - -#ifdef UNIV_DEBUG - { - ulint size; - ulint extra; - - size = rec_get_converted_size_comp(index, - REC_STATUS_ORDINARY, - entry, n_fields, &extra); - - ut_ad(data_size + extra_size + REC_N_NEW_EXTRA_BYTES == size); - ut_ad(extra_size + REC_N_NEW_EXTRA_BYTES == extra); - } -#endif /* UNIV_DEBUG */ - - /* Add to the total size of the record in row_merge_block_t - the encoded length of extra_size and the extra bytes (extra_size). - See row_merge_buf_write() for the variable-length encoding - of extra_size. */ - data_size += (extra_size + 1) + ((extra_size + 1) >= 0x80); - - /* The following assertion may fail if row_merge_block_t is - declared very small and a PRIMARY KEY is being created with - many prefix columns. In that case, the record may exceed the - page_zip_rec_needs_ext() limit. However, no further columns - will be moved to external storage until the record is inserted - to the clustered index B-tree. */ - ut_ad(data_size < sizeof(row_merge_block_t)); - - /* Reserve one byte for the end marker of row_merge_block_t. */ - if (buf->total_size + data_size >= sizeof(row_merge_block_t) - 1) { - return(FALSE); - } - - buf->total_size += data_size; - buf->n_tuples++; - - field = entry; - - /* Copy the data fields. */ - - do { - dfield_dup(field++, buf->heap); - } while (--n_fields); - - return(TRUE); -} - -/** Structure for reporting duplicate records. */ -struct row_merge_dup_struct { - const dict_index_t* index; /*!< index being sorted */ - struct TABLE* table; /*!< MySQL table object */ - ulint n_dup; /*!< number of duplicates */ -}; - -/** Structure for reporting duplicate records. */ -typedef struct row_merge_dup_struct row_merge_dup_t; - -/*************************************************************//** -Report a duplicate key. */ -static -void -row_merge_dup_report( -/*=================*/ - row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ - const dfield_t* entry) /*!< in: duplicate index entry */ -{ - mrec_buf_t* buf; - const dtuple_t* tuple; - dtuple_t tuple_store; - const rec_t* rec; - const dict_index_t* index = dup->index; - ulint n_fields= dict_index_get_n_fields(index); - mem_heap_t* heap; - ulint* offsets; - ulint n_ext; - - if (dup->n_dup++) { - /* Only report the first duplicate record, - but count all duplicate records. */ - return; - } - - /* Convert the tuple to a record and then to MySQL format. */ - heap = mem_heap_create((1 + REC_OFFS_HEADER_SIZE + n_fields) - * sizeof *offsets - + sizeof *buf); - - buf = mem_heap_alloc(heap, sizeof *buf); - - tuple = dtuple_from_fields(&tuple_store, entry, n_fields); - n_ext = dict_index_is_clust(index) ? dtuple_get_n_ext(tuple) : 0; - - rec = rec_convert_dtuple_to_rec(*buf, index, tuple, n_ext); - offsets = rec_get_offsets(rec, index, NULL, ULINT_UNDEFINED, &heap); - - innobase_rec_to_mysql(dup->table, rec, index, offsets); - - mem_heap_free(heap); -} - -/*************************************************************//** -Compare two tuples. -@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ -static -int -row_merge_tuple_cmp( -/*================*/ - ulint n_field,/*!< in: number of fields */ - const dfield_t* a, /*!< in: first tuple to be compared */ - const dfield_t* b, /*!< in: second tuple to be compared */ - row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ -{ - int cmp; - const dfield_t* field = a; - - /* Compare the fields of the tuples until a difference is - found or we run out of fields to compare. If !cmp at the - end, the tuples are equal. */ - do { - cmp = cmp_dfield_dfield(a++, b++); - } while (!cmp && --n_field); - - if (UNIV_UNLIKELY(!cmp) && UNIV_LIKELY_NULL(dup)) { - /* Report a duplicate value error if the tuples are - logically equal. NULL columns are logically inequal, - although they are equal in the sorting order. Find - out if any of the fields are NULL. */ - for (b = field; b != a; b++) { - if (dfield_is_null(b)) { - - goto func_exit; - } - } - - row_merge_dup_report(dup, field); - } - -func_exit: - return(cmp); -} - -/** Wrapper for row_merge_tuple_sort() to inject some more context to -UT_SORT_FUNCTION_BODY(). -@param a array of tuples that being sorted -@param b aux (work area), same size as tuples[] -@param c lower bound of the sorting area, inclusive -@param d upper bound of the sorting area, inclusive */ -#define row_merge_tuple_sort_ctx(a,b,c,d) \ - row_merge_tuple_sort(n_field, dup, a, b, c, d) -/** Wrapper for row_merge_tuple_cmp() to inject some more context to -UT_SORT_FUNCTION_BODY(). -@param a first tuple to be compared -@param b second tuple to be compared -@return 1, 0, -1 if a is greater, equal, less, respectively, than b */ -#define row_merge_tuple_cmp_ctx(a,b) row_merge_tuple_cmp(n_field, a, b, dup) - -/**********************************************************************//** -Merge sort the tuple buffer in main memory. */ -static -void -row_merge_tuple_sort( -/*=================*/ - ulint n_field,/*!< in: number of fields */ - row_merge_dup_t* dup, /*!< in/out: for reporting duplicates */ - const dfield_t** tuples, /*!< in/out: tuples */ - const dfield_t** aux, /*!< in/out: work area */ - ulint low, /*!< in: lower bound of the - sorting area, inclusive */ - ulint high) /*!< in: upper bound of the - sorting area, exclusive */ -{ - UT_SORT_FUNCTION_BODY(row_merge_tuple_sort_ctx, - tuples, aux, low, high, row_merge_tuple_cmp_ctx); -} - -/******************************************************//** -Sort a buffer. */ -static -void -row_merge_buf_sort( -/*===============*/ - row_merge_buf_t* buf, /*!< in/out: sort buffer */ - row_merge_dup_t* dup) /*!< in/out: for reporting duplicates */ -{ - row_merge_tuple_sort(dict_index_get_n_unique(buf->index), dup, - buf->tuples, buf->tmp_tuples, 0, buf->n_tuples); -} - -/******************************************************//** -Write a buffer to a block. */ -static -void -row_merge_buf_write( -/*================*/ - const row_merge_buf_t* buf, /*!< in: sorted buffer */ -#ifdef UNIV_DEBUG - const merge_file_t* of, /*!< in: output file */ -#endif /* UNIV_DEBUG */ - row_merge_block_t* block) /*!< out: buffer for writing to file */ -#ifndef UNIV_DEBUG -# define row_merge_buf_write(buf, of, block) row_merge_buf_write(buf, block) -#endif /* !UNIV_DEBUG */ -{ - const dict_index_t* index = buf->index; - ulint n_fields= dict_index_get_n_fields(index); - byte* b = &(*block)[0]; - - ulint i; - - for (i = 0; i < buf->n_tuples; i++) { - ulint size; - ulint extra_size; - const dfield_t* entry = buf->tuples[i]; - - size = rec_get_converted_size_comp(index, - REC_STATUS_ORDINARY, - entry, n_fields, - &extra_size); - ut_ad(size > extra_size); - ut_ad(extra_size >= REC_N_NEW_EXTRA_BYTES); - extra_size -= REC_N_NEW_EXTRA_BYTES; - size -= REC_N_NEW_EXTRA_BYTES; - - /* Encode extra_size + 1 */ - if (extra_size + 1 < 0x80) { - *b++ = (byte) (extra_size + 1); - } else { - ut_ad((extra_size + 1) < 0x8000); - *b++ = (byte) (0x80 | ((extra_size + 1) >> 8)); - *b++ = (byte) (extra_size + 1); - } - - ut_ad(b + size < block[1]); - - rec_convert_dtuple_to_rec_comp(b + extra_size, 0, index, - REC_STATUS_ORDINARY, - entry, n_fields); - - b += size; - -#ifdef UNIV_DEBUG - if (row_merge_print_write) { - fprintf(stderr, "row_merge_buf_write %p,%d,%lu %lu", - (void*) b, of->fd, (ulong) of->offset, - (ulong) i); - row_merge_tuple_print(stderr, entry, n_fields); - } -#endif /* UNIV_DEBUG */ - } - - /* Write an "end-of-chunk" marker. */ - ut_a(b < block[1]); - ut_a(b == block[0] + buf->total_size); - *b++ = 0; -#ifdef UNIV_DEBUG_VALGRIND - /* The rest of the block is uninitialized. Initialize it - to avoid bogus warnings. */ - memset(b, 0xff, block[1] - b); -#endif /* UNIV_DEBUG_VALGRIND */ -#ifdef UNIV_DEBUG - if (row_merge_print_write) { - fprintf(stderr, "row_merge_buf_write %p,%d,%lu EOF\n", - (void*) b, of->fd, (ulong) of->offset); - } -#endif /* UNIV_DEBUG */ -} - -/******************************************************//** -Create a memory heap and allocate space for row_merge_rec_offsets() -and mrec_buf_t[3]. -@return memory heap */ -static -mem_heap_t* -row_merge_heap_create( -/*==================*/ - const dict_index_t* index, /*!< in: record descriptor */ - mrec_buf_t** buf, /*!< out: 3 buffers */ - ulint** offsets1, /*!< out: offsets */ - ulint** offsets2) /*!< out: offsets */ -{ - ulint i = 1 + REC_OFFS_HEADER_SIZE - + dict_index_get_n_fields(index); - mem_heap_t* heap = mem_heap_create(2 * i * sizeof **offsets1 - + 3 * sizeof **buf); - - *buf = mem_heap_alloc(heap, 3 * sizeof **buf); - *offsets1 = mem_heap_alloc(heap, i * sizeof **offsets1); - *offsets2 = mem_heap_alloc(heap, i * sizeof **offsets2); - - (*offsets1)[0] = (*offsets2)[0] = i; - (*offsets1)[1] = (*offsets2)[1] = dict_index_get_n_fields(index); - - return(heap); -} - -/**********************************************************************//** -Search an index object by name and column names. If several indexes match, -return the index with the max id. -@return matching index, NULL if not found */ -static -dict_index_t* -row_merge_dict_table_get_index( -/*===========================*/ - dict_table_t* table, /*!< in: table */ - const merge_index_def_t*index_def) /*!< in: index definition */ -{ - ulint i; - dict_index_t* index; - const char** column_names; - - column_names = mem_alloc(index_def->n_fields * sizeof *column_names); - - for (i = 0; i < index_def->n_fields; ++i) { - column_names[i] = index_def->fields[i].field_name; - } - - index = dict_table_get_index_by_max_id( - table, index_def->name, column_names, index_def->n_fields); - - mem_free((void*) column_names); - - return(index); -} - -/********************************************************************//** -Read a merge block from the file system. -@return TRUE if request was successful, FALSE if fail */ -static -ibool -row_merge_read( -/*===========*/ - int fd, /*!< in: file descriptor */ - ulint offset, /*!< in: offset where to read */ - row_merge_block_t* buf) /*!< out: data */ -{ - ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof *buf; - ibool success; - -#ifdef UNIV_DEBUG - if (row_merge_print_block_read) { - fprintf(stderr, "row_merge_read fd=%d ofs=%lu\n", - fd, (ulong) offset); - } -#endif /* UNIV_DEBUG */ - - success = os_file_read_no_error_handling(OS_FILE_FROM_FD(fd), buf, - (ulint) (ofs & 0xFFFFFFFF), - (ulint) (ofs >> 32), - sizeof *buf); -#ifdef POSIX_FADV_DONTNEED - /* Each block is read exactly once. Free up the file cache. */ - posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); -#endif /* POSIX_FADV_DONTNEED */ - - if (UNIV_UNLIKELY(!success)) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: failed to read merge block at %llu\n", ofs); - } - - return(UNIV_LIKELY(success)); -} - -/********************************************************************//** -Read a merge block from the file system. -@return TRUE if request was successful, FALSE if fail */ -static -ibool -row_merge_write( -/*============*/ - int fd, /*!< in: file descriptor */ - ulint offset, /*!< in: offset where to write */ - const void* buf) /*!< in: data */ -{ - ib_uint64_t ofs = ((ib_uint64_t) offset) - * sizeof(row_merge_block_t); - -#ifdef UNIV_DEBUG - if (row_merge_print_block_write) { - fprintf(stderr, "row_merge_write fd=%d ofs=%lu\n", - fd, (ulong) offset); - } -#endif /* UNIV_DEBUG */ - -#ifdef POSIX_FADV_DONTNEED - /* The block will be needed on the next merge pass, - but it can be evicted from the file cache meanwhile. */ - posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); -#endif /* POSIX_FADV_DONTNEED */ - - return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, - (ulint) (ofs & 0xFFFFFFFF), - (ulint) (ofs >> 32), - sizeof(row_merge_block_t)))); -} - -/********************************************************************//** -Read a merge record. -@return pointer to next record, or NULL on I/O error or end of list */ -static __attribute__((nonnull)) -const byte* -row_merge_read_rec( -/*===============*/ - row_merge_block_t* block, /*!< in/out: file buffer */ - mrec_buf_t* buf, /*!< in/out: secondary buffer */ - const byte* b, /*!< in: pointer to record */ - const dict_index_t* index, /*!< in: index of the record */ - int fd, /*!< in: file descriptor */ - ulint* foffs, /*!< in/out: file offset */ - const mrec_t** mrec, /*!< out: pointer to merge record, - or NULL on end of list - (non-NULL on I/O error) */ - ulint* offsets)/*!< out: offsets of mrec */ -{ - ulint extra_size; - ulint data_size; - ulint avail_size; - - ut_ad(block); - ut_ad(buf); - ut_ad(b >= block[0]); - ut_ad(b < block[1]); - ut_ad(index); - ut_ad(foffs); - ut_ad(mrec); - ut_ad(offsets); - - ut_ad(*offsets == 1 + REC_OFFS_HEADER_SIZE - + dict_index_get_n_fields(index)); - - extra_size = *b++; - - if (UNIV_UNLIKELY(!extra_size)) { - /* End of list */ - *mrec = NULL; -#ifdef UNIV_DEBUG - if (row_merge_print_read) { - fprintf(stderr, "row_merge_read %p,%p,%d,%lu EOF\n", - (const void*) b, (const void*) block, - fd, (ulong) *foffs); - } -#endif /* UNIV_DEBUG */ - return(NULL); - } - - if (extra_size >= 0x80) { - /* Read another byte of extra_size. */ - - if (UNIV_UNLIKELY(b >= block[1])) { - if (!row_merge_read(fd, ++(*foffs), block)) { -err_exit: - /* Signal I/O error. */ - *mrec = b; - return(NULL); - } - - /* Wrap around to the beginning of the buffer. */ - b = block[0]; - } - - extra_size = (extra_size & 0x7f) << 8; - extra_size |= *b++; - } - - /* Normalize extra_size. Above, value 0 signals "end of list". */ - extra_size--; - - /* Read the extra bytes. */ - - if (UNIV_UNLIKELY(b + extra_size >= block[1])) { - /* The record spans two blocks. Copy the entire record - to the auxiliary buffer and handle this as a special - case. */ - - avail_size = block[1] - b; - - memcpy(*buf, b, avail_size); - - if (!row_merge_read(fd, ++(*foffs), block)) { - - goto err_exit; - } - - /* Wrap around to the beginning of the buffer. */ - b = block[0]; - - /* Copy the record. */ - memcpy(*buf + avail_size, b, extra_size - avail_size); - b += extra_size - avail_size; - - *mrec = *buf + extra_size; - - rec_init_offsets_comp_ordinary(*mrec, 0, index, offsets); - - data_size = rec_offs_data_size(offsets); - - /* These overflows should be impossible given that - records are much smaller than either buffer, and - the record starts near the beginning of each buffer. */ - ut_a(extra_size + data_size < sizeof *buf); - ut_a(b + data_size < block[1]); - - /* Copy the data bytes. */ - memcpy(*buf + extra_size, b, data_size); - b += data_size; - - goto func_exit; - } - - *mrec = b + extra_size; - - rec_init_offsets_comp_ordinary(*mrec, 0, index, offsets); - - data_size = rec_offs_data_size(offsets); - ut_ad(extra_size + data_size < sizeof *buf); - - b += extra_size + data_size; - - if (UNIV_LIKELY(b < block[1])) { - /* The record fits entirely in the block. - This is the normal case. */ - goto func_exit; - } - - /* The record spans two blocks. Copy it to buf. */ - - b -= extra_size + data_size; - avail_size = block[1] - b; - memcpy(*buf, b, avail_size); - *mrec = *buf + extra_size; -#ifdef UNIV_DEBUG - /* We cannot invoke rec_offs_make_valid() here, because there - are no REC_N_NEW_EXTRA_BYTES between extra_size and data_size. - Similarly, rec_offs_validate() would fail, because it invokes - rec_get_status(). */ - offsets[2] = (ulint) *mrec; - offsets[3] = (ulint) index; -#endif /* UNIV_DEBUG */ - - if (!row_merge_read(fd, ++(*foffs), block)) { - - goto err_exit; - } - - /* Wrap around to the beginning of the buffer. */ - b = block[0]; - - /* Copy the rest of the record. */ - memcpy(*buf + avail_size, b, extra_size + data_size - avail_size); - b += extra_size + data_size - avail_size; - -func_exit: -#ifdef UNIV_DEBUG - if (row_merge_print_read) { - fprintf(stderr, "row_merge_read %p,%p,%d,%lu ", - (const void*) b, (const void*) block, - fd, (ulong) *foffs); - rec_print_comp(stderr, *mrec, offsets); - putc('\n', stderr); - } -#endif /* UNIV_DEBUG */ - - return(b); -} - -/********************************************************************//** -Write a merge record. */ -static -void -row_merge_write_rec_low( -/*====================*/ - byte* b, /*!< out: buffer */ - ulint e, /*!< in: encoded extra_size */ -#ifdef UNIV_DEBUG - ulint size, /*!< in: total size to write */ - int fd, /*!< in: file descriptor */ - ulint foffs, /*!< in: file offset */ -#endif /* UNIV_DEBUG */ - const mrec_t* mrec, /*!< in: record to write */ - const ulint* offsets)/*!< in: offsets of mrec */ -#ifndef UNIV_DEBUG -# define row_merge_write_rec_low(b, e, size, fd, foffs, mrec, offsets) \ - row_merge_write_rec_low(b, e, mrec, offsets) -#endif /* !UNIV_DEBUG */ -{ -#ifdef UNIV_DEBUG - const byte* const end = b + size; - ut_ad(e == rec_offs_extra_size(offsets) + 1); - - if (row_merge_print_write) { - fprintf(stderr, "row_merge_write %p,%d,%lu ", - (void*) b, fd, (ulong) foffs); - rec_print_comp(stderr, mrec, offsets); - putc('\n', stderr); - } -#endif /* UNIV_DEBUG */ - - if (e < 0x80) { - *b++ = (byte) e; - } else { - *b++ = (byte) (0x80 | (e >> 8)); - *b++ = (byte) e; - } - - memcpy(b, mrec - rec_offs_extra_size(offsets), rec_offs_size(offsets)); - ut_ad(b + rec_offs_size(offsets) == end); -} - -/********************************************************************//** -Write a merge record. -@return pointer to end of block, or NULL on error */ -static -byte* -row_merge_write_rec( -/*================*/ - row_merge_block_t* block, /*!< in/out: file buffer */ - mrec_buf_t* buf, /*!< in/out: secondary buffer */ - byte* b, /*!< in: pointer to end of block */ - int fd, /*!< in: file descriptor */ - ulint* foffs, /*!< in/out: file offset */ - const mrec_t* mrec, /*!< in: record to write */ - const ulint* offsets)/*!< in: offsets of mrec */ -{ - ulint extra_size; - ulint size; - ulint avail_size; - - ut_ad(block); - ut_ad(buf); - ut_ad(b >= block[0]); - ut_ad(b < block[1]); - ut_ad(mrec); - ut_ad(foffs); - ut_ad(mrec < block[0] || mrec > block[1]); - ut_ad(mrec < buf[0] || mrec > buf[1]); - - /* Normalize extra_size. Value 0 signals "end of list". */ - extra_size = rec_offs_extra_size(offsets) + 1; - - size = extra_size + (extra_size >= 0x80) - + rec_offs_data_size(offsets); - - if (UNIV_UNLIKELY(b + size >= block[1])) { - /* The record spans two blocks. - Copy it to the temporary buffer first. */ - avail_size = block[1] - b; - - row_merge_write_rec_low(buf[0], - extra_size, size, fd, *foffs, - mrec, offsets); - - /* Copy the head of the temporary buffer, write - the completed block, and copy the tail of the - record to the head of the new block. */ - memcpy(b, buf[0], avail_size); - - if (!row_merge_write(fd, (*foffs)++, block)) { - return(NULL); - } - - UNIV_MEM_INVALID(block[0], sizeof block[0]); - - /* Copy the rest. */ - b = block[0]; - memcpy(b, buf[0] + avail_size, size - avail_size); - b += size - avail_size; - } else { - row_merge_write_rec_low(b, extra_size, size, fd, *foffs, - mrec, offsets); - b += size; - } - - return(b); -} - -/********************************************************************//** -Write an end-of-list marker. -@return pointer to end of block, or NULL on error */ -static -byte* -row_merge_write_eof( -/*================*/ - row_merge_block_t* block, /*!< in/out: file buffer */ - byte* b, /*!< in: pointer to end of block */ - int fd, /*!< in: file descriptor */ - ulint* foffs) /*!< in/out: file offset */ -{ - ut_ad(block); - ut_ad(b >= block[0]); - ut_ad(b < block[1]); - ut_ad(foffs); -#ifdef UNIV_DEBUG - if (row_merge_print_write) { - fprintf(stderr, "row_merge_write %p,%p,%d,%lu EOF\n", - (void*) b, (void*) block, fd, (ulong) *foffs); - } -#endif /* UNIV_DEBUG */ - - *b++ = 0; - UNIV_MEM_ASSERT_RW(block[0], b - block[0]); - UNIV_MEM_ASSERT_W(block[0], sizeof block[0]); -#ifdef UNIV_DEBUG_VALGRIND - /* The rest of the block is uninitialized. Initialize it - to avoid bogus warnings. */ - memset(b, 0xff, block[1] - b); -#endif /* UNIV_DEBUG_VALGRIND */ - - if (!row_merge_write(fd, (*foffs)++, block)) { - return(NULL); - } - - UNIV_MEM_INVALID(block[0], sizeof block[0]); - return(block[0]); -} - -/*************************************************************//** -Compare two merge records. -@return 1, 0, -1 if mrec1 is greater, equal, less, respectively, than mrec2 */ -static -int -row_merge_cmp( -/*==========*/ - const mrec_t* mrec1, /*!< in: first merge - record to be compared */ - const mrec_t* mrec2, /*!< in: second merge - record to be compared */ - const ulint* offsets1, /*!< in: first record offsets */ - const ulint* offsets2, /*!< in: second record offsets */ - const dict_index_t* index) /*!< in: index */ -{ - int cmp; - - cmp = cmp_rec_rec_simple(mrec1, mrec2, offsets1, offsets2, index); - -#ifdef UNIV_DEBUG - if (row_merge_print_cmp) { - fputs("row_merge_cmp1 ", stderr); - rec_print_comp(stderr, mrec1, offsets1); - fputs("\nrow_merge_cmp2 ", stderr); - rec_print_comp(stderr, mrec2, offsets2); - fprintf(stderr, "\nrow_merge_cmp=%d\n", cmp); - } -#endif /* UNIV_DEBUG */ - - return(cmp); -} - -/********************************************************************//** -Reads clustered index of the table and create temporary files -containing the index entries for the indexes to be built. -@return DB_SUCCESS or error */ -static __attribute__((nonnull)) -ulint -row_merge_read_clustered_index( -/*===========================*/ - trx_t* trx, /*!< in: transaction */ - struct TABLE* table, /*!< in/out: MySQL table object, - for reporting erroneous records */ - const dict_table_t* old_table,/*!< in: table where rows are - read from */ - const dict_table_t* new_table,/*!< in: table where indexes are - created; identical to old_table - unless creating a PRIMARY KEY */ - dict_index_t** index, /*!< in: indexes to be created */ - merge_file_t* files, /*!< in: temporary files */ - ulint n_index,/*!< in: number of indexes to create */ - row_merge_block_t* block) /*!< in/out: file buffer */ -{ - dict_index_t* clust_index; /* Clustered index */ - mem_heap_t* row_heap; /* Heap memory to create - clustered index records */ - row_merge_buf_t** merge_buf; /* Temporary list for records*/ - btr_pcur_t pcur; /* Persistent cursor on the - clustered index */ - mtr_t mtr; /* Mini transaction */ - ulint err = DB_SUCCESS;/* Return code */ - ulint i; - ulint n_nonnull = 0; /* number of columns - changed to NOT NULL */ - ulint* nonnull = NULL; /* NOT NULL columns */ - - trx->op_info = "reading clustered index"; - - ut_ad(trx); - ut_ad(old_table); - ut_ad(new_table); - ut_ad(index); - ut_ad(files); - - /* Create and initialize memory for record buffers */ - - merge_buf = mem_alloc(n_index * sizeof *merge_buf); - - for (i = 0; i < n_index; i++) { - merge_buf[i] = row_merge_buf_create(index[i]); - } - - mtr_start(&mtr); - - /* Find the clustered index and create a persistent cursor - based on that. */ - - clust_index = dict_table_get_first_index(old_table); - - btr_pcur_open_at_index_side( - TRUE, clust_index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - - if (UNIV_UNLIKELY(old_table != new_table)) { - ulint n_cols = dict_table_get_n_cols(old_table); - - /* A primary key will be created. Identify the - columns that were flagged NOT NULL in the new table, - so that we can quickly check that the records in the - (old) clustered index do not violate the added NOT - NULL constraints. */ - - ut_a(n_cols == dict_table_get_n_cols(new_table)); - - nonnull = mem_alloc(n_cols * sizeof *nonnull); - - for (i = 0; i < n_cols; i++) { - if (dict_table_get_nth_col(old_table, i)->prtype - & DATA_NOT_NULL) { - - continue; - } - - if (dict_table_get_nth_col(new_table, i)->prtype - & DATA_NOT_NULL) { - - nonnull[n_nonnull++] = i; - } - } - - if (!n_nonnull) { - mem_free(nonnull); - nonnull = NULL; - } - } - - row_heap = mem_heap_create(sizeof(mrec_buf_t)); - - /* Scan the clustered index. */ - for (;;) { - const rec_t* rec; - ulint* offsets; - dtuple_t* row = NULL; - row_ext_t* ext; - ibool has_next = TRUE; - - btr_pcur_move_to_next_on_page(&pcur); - - /* When switching pages, commit the mini-transaction - in order to release the latch on the old page. */ - - if (btr_pcur_is_after_last_on_page(&pcur)) { - if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { - i = 0; - err = DB_INTERRUPTED; - goto err_exit; - } - - btr_pcur_store_position(&pcur, &mtr); - mtr_commit(&mtr); - mtr_start(&mtr); - btr_pcur_restore_position(BTR_SEARCH_LEAF, - &pcur, &mtr); - has_next = btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - - if (UNIV_LIKELY(has_next)) { - rec = btr_pcur_get_rec(&pcur); - offsets = rec_get_offsets(rec, clust_index, NULL, - ULINT_UNDEFINED, &row_heap); - - /* Skip delete marked records. */ - if (rec_get_deleted_flag( - rec, dict_table_is_comp(old_table))) { - continue; - } - - srv_n_rows_inserted++; - - /* Build a row based on the clustered index. */ - - row = row_build(ROW_COPY_POINTERS, clust_index, - rec, offsets, - new_table, &ext, row_heap); - - if (UNIV_LIKELY_NULL(nonnull)) { - for (i = 0; i < n_nonnull; i++) { - dfield_t* field - = &row->fields[nonnull[i]]; - dtype_t* field_type - = dfield_get_type(field); - - ut_a(!(field_type->prtype - & DATA_NOT_NULL)); - - if (dfield_is_null(field)) { - err = DB_PRIMARY_KEY_IS_NULL; - i = 0; - goto err_exit; - } - - field_type->prtype |= DATA_NOT_NULL; - } - } - } - - /* Build all entries for all the indexes to be created - in a single scan of the clustered index. */ - - for (i = 0; i < n_index; i++) { - row_merge_buf_t* buf = merge_buf[i]; - merge_file_t* file = &files[i]; - const dict_index_t* index = buf->index; - - if (UNIV_LIKELY - (row && row_merge_buf_add(buf, row, ext))) { - file->n_rec++; - continue; - } - - /* The buffer must be sufficiently large - to hold at least one record. */ - ut_ad(buf->n_tuples || !has_next); - - /* We have enough data tuples to form a block. - Sort them and write to disk. */ - - if (buf->n_tuples) { - if (dict_index_is_unique(index)) { - row_merge_dup_t dup; - dup.index = buf->index; - dup.table = table; - dup.n_dup = 0; - - row_merge_buf_sort(buf, &dup); - - if (dup.n_dup) { - err = DB_DUPLICATE_KEY; -err_exit: - trx->error_key_num = i; - goto func_exit; - } - } else { - row_merge_buf_sort(buf, NULL); - } - } - - row_merge_buf_write(buf, file, block); - - if (!row_merge_write(file->fd, file->offset++, - block)) { - err = DB_OUT_OF_FILE_SPACE; - goto err_exit; - } - - UNIV_MEM_INVALID(block[0], sizeof block[0]); - merge_buf[i] = row_merge_buf_empty(buf); - - if (UNIV_LIKELY(row != NULL)) { - /* Try writing the record again, now - that the buffer has been written out - and emptied. */ - - if (UNIV_UNLIKELY - (!row_merge_buf_add(buf, row, ext))) { - /* An empty buffer should have enough - room for at least one record. */ - ut_error; - } - - file->n_rec++; - } - } - - mem_heap_empty(row_heap); - - if (UNIV_UNLIKELY(!has_next)) { - goto func_exit; - } - } - -func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(row_heap); - - if (UNIV_LIKELY_NULL(nonnull)) { - mem_free(nonnull); - } - - for (i = 0; i < n_index; i++) { - row_merge_buf_free(merge_buf[i]); - } - - mem_free(merge_buf); - - trx->op_info = ""; - - return(err); -} - -/** Write a record via buffer 2 and read the next record to buffer N. -@param N number of the buffer (0 or 1) -@param AT_END statement to execute at end of input */ -#define ROW_MERGE_WRITE_GET_NEXT(N, AT_END) \ - do { \ - b2 = row_merge_write_rec(&block[2], &buf[2], b2, \ - of->fd, &of->offset, \ - mrec##N, offsets##N); \ - if (UNIV_UNLIKELY(!b2 || ++of->n_rec > file->n_rec)) { \ - goto corrupt; \ - } \ - b##N = row_merge_read_rec(&block[N], &buf[N], \ - b##N, index, \ - file->fd, foffs##N, \ - &mrec##N, offsets##N); \ - if (UNIV_UNLIKELY(!b##N)) { \ - if (mrec##N) { \ - goto corrupt; \ - } \ - AT_END; \ - } \ - } while (0) - -/*************************************************************//** -Merge two blocks of records on disk and write a bigger block. -@return DB_SUCCESS or error code */ -static -ulint -row_merge_blocks( -/*=============*/ - const dict_index_t* index, /*!< in: index being created */ - const merge_file_t* file, /*!< in: file containing - index entries */ - row_merge_block_t* block, /*!< in/out: 3 buffers */ - ulint* foffs0, /*!< in/out: offset of first - source list in the file */ - ulint* foffs1, /*!< in/out: offset of second - source list in the file */ - merge_file_t* of, /*!< in/out: output file */ - struct TABLE* table) /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -{ - mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ - - mrec_buf_t* buf; /*!< buffer for handling - split mrec in block[] */ - const byte* b0; /*!< pointer to block[0] */ - const byte* b1; /*!< pointer to block[1] */ - byte* b2; /*!< pointer to block[2] */ - const mrec_t* mrec0; /*!< merge rec, points to block[0] or buf[0] */ - const mrec_t* mrec1; /*!< merge rec, points to block[1] or buf[1] */ - ulint* offsets0;/* offsets of mrec0 */ - ulint* offsets1;/* offsets of mrec1 */ - -#ifdef UNIV_DEBUG - if (row_merge_print_block) { - fprintf(stderr, - "row_merge_blocks fd=%d ofs=%lu + fd=%d ofs=%lu" - " = fd=%d ofs=%lu\n", - file->fd, (ulong) *foffs0, - file->fd, (ulong) *foffs1, - of->fd, (ulong) of->offset); - } -#endif /* UNIV_DEBUG */ - - heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); - - /* Write a record and read the next record. Split the output - file in two halves, which can be merged on the following pass. */ - - if (!row_merge_read(file->fd, *foffs0, &block[0]) - || !row_merge_read(file->fd, *foffs1, &block[1])) { -corrupt: - mem_heap_free(heap); - return(DB_CORRUPTION); - } - - b0 = block[0]; - b1 = block[1]; - b2 = block[2]; - - b0 = row_merge_read_rec(&block[0], &buf[0], b0, index, file->fd, - foffs0, &mrec0, offsets0); - b1 = row_merge_read_rec(&block[1], &buf[1], b1, index, file->fd, - foffs1, &mrec1, offsets1); - if (UNIV_UNLIKELY(!b0 && mrec0) - || UNIV_UNLIKELY(!b1 && mrec1)) { - - goto corrupt; - } - - while (mrec0 && mrec1) { - switch (row_merge_cmp(mrec0, mrec1, - offsets0, offsets1, index)) { - case 0: - if (UNIV_UNLIKELY - (dict_index_is_unique(index))) { - innobase_rec_to_mysql(table, mrec0, - index, offsets0); - mem_heap_free(heap); - return(DB_DUPLICATE_KEY); - } - /* fall through */ - case -1: - ROW_MERGE_WRITE_GET_NEXT(0, goto merged); - break; - case 1: - ROW_MERGE_WRITE_GET_NEXT(1, goto merged); - break; - default: - ut_error; - } - - } - -merged: - if (mrec0) { - /* append all mrec0 to output */ - for (;;) { - ROW_MERGE_WRITE_GET_NEXT(0, goto done0); - } - } -done0: - if (mrec1) { - /* append all mrec1 to output */ - for (;;) { - ROW_MERGE_WRITE_GET_NEXT(1, goto done1); - } - } -done1: - - mem_heap_free(heap); - b2 = row_merge_write_eof(&block[2], b2, of->fd, &of->offset); - return(b2 ? DB_SUCCESS : DB_CORRUPTION); -} - -/*************************************************************//** -Copy a block of index entries. -@return TRUE on success, FALSE on failure */ -static __attribute__((nonnull)) -ibool -row_merge_blocks_copy( -/*==================*/ - const dict_index_t* index, /*!< in: index being created */ - const merge_file_t* file, /*!< in: input file */ - row_merge_block_t* block, /*!< in/out: 3 buffers */ - ulint* foffs0, /*!< in/out: input file offset */ - merge_file_t* of) /*!< in/out: output file */ -{ - mem_heap_t* heap; /*!< memory heap for offsets0, offsets1 */ - - mrec_buf_t* buf; /*!< buffer for handling - split mrec in block[] */ - const byte* b0; /*!< pointer to block[0] */ - byte* b2; /*!< pointer to block[2] */ - const mrec_t* mrec0; /*!< merge rec, points to block[0] */ - ulint* offsets0;/* offsets of mrec0 */ - ulint* offsets1;/* dummy offsets */ - -#ifdef UNIV_DEBUG - if (row_merge_print_block) { - fprintf(stderr, - "row_merge_blocks_copy fd=%d ofs=%lu" - " = fd=%d ofs=%lu\n", - file->fd, (ulong) foffs0, - of->fd, (ulong) of->offset); - } -#endif /* UNIV_DEBUG */ - - heap = row_merge_heap_create(index, &buf, &offsets0, &offsets1); - - /* Write a record and read the next record. Split the output - file in two halves, which can be merged on the following pass. */ - - if (!row_merge_read(file->fd, *foffs0, &block[0])) { -corrupt: - mem_heap_free(heap); - return(FALSE); - } - - b0 = block[0]; - b2 = block[2]; - - b0 = row_merge_read_rec(&block[0], &buf[0], b0, index, file->fd, - foffs0, &mrec0, offsets0); - if (UNIV_UNLIKELY(!b0 && mrec0)) { - - goto corrupt; - } - - if (mrec0) { - /* append all mrec0 to output */ - for (;;) { - ROW_MERGE_WRITE_GET_NEXT(0, goto done0); - } - } -done0: - - /* The file offset points to the beginning of the last page - that has been read. Update it to point to the next block. */ - (*foffs0)++; - - mem_heap_free(heap); - return(row_merge_write_eof(&block[2], b2, of->fd, &of->offset) - != NULL); -} - -/*************************************************************//** -Merge disk files. -@return DB_SUCCESS or error code */ -static __attribute__((nonnull)) -ulint -row_merge( -/*======*/ - trx_t* trx, /*!< in: transaction */ - const dict_index_t* index, /*!< in: index being created */ - merge_file_t* file, /*!< in/out: file containing - index entries */ - ulint* half, /*!< in/out: half the file */ - row_merge_block_t* block, /*!< in/out: 3 buffers */ - int* tmpfd, /*!< in/out: temporary file handle */ - struct TABLE* table) /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -{ - ulint foffs0; /*!< first input offset */ - ulint foffs1; /*!< second input offset */ - ulint error; /*!< error code */ - merge_file_t of; /*!< output file */ - const ulint ihalf = *half; - /*!< half the input file */ - ulint ohalf; /*!< half the output file */ - - UNIV_MEM_ASSERT_W(block[0], 3 * sizeof block[0]); - ut_ad(ihalf < file->offset); - - of.fd = *tmpfd; - of.offset = 0; - of.n_rec = 0; - -#ifdef POSIX_FADV_SEQUENTIAL - /* The input file will be read sequentially, starting from the - beginning and the middle. In Linux, the POSIX_FADV_SEQUENTIAL - affects the entire file. Each block will be read exactly once. */ - posix_fadvise(file->fd, 0, 0, - POSIX_FADV_SEQUENTIAL | POSIX_FADV_NOREUSE); -#endif /* POSIX_FADV_SEQUENTIAL */ - - /* Merge blocks to the output file. */ - ohalf = 0; - foffs0 = 0; - foffs1 = ihalf; - - for (; foffs0 < ihalf && foffs1 < file->offset; foffs0++, foffs1++) { - ulint ahalf; /*!< arithmetic half the input file */ - - if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { - return(DB_INTERRUPTED); - } - - error = row_merge_blocks(index, file, block, - &foffs0, &foffs1, &of, table); - - if (error != DB_SUCCESS) { - return(error); - } - - /* Record the offset of the output file when - approximately half the output has been generated. In - this way, the next invocation of row_merge() will - spend most of the time in this loop. The initial - estimate is ohalf==0. */ - ahalf = file->offset / 2; - ut_ad(ohalf <= of.offset); - - /* Improve the estimate until reaching half the input - file size, or we can not get any closer to it. All - comparands should be non-negative when !(ohalf < ahalf) - because ohalf <= of.offset. */ - if (ohalf < ahalf || of.offset - ahalf < ohalf - ahalf) { - ohalf = of.offset; - } - } - - /* Copy the last blocks, if there are any. */ - - while (foffs0 < ihalf) { - if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { - return(DB_INTERRUPTED); - } - - if (!row_merge_blocks_copy(index, file, block, &foffs0, &of)) { - return(DB_CORRUPTION); - } - } - - ut_ad(foffs0 == ihalf); - - while (foffs1 < file->offset) { - if (UNIV_UNLIKELY(trx_is_interrupted(trx))) { - return(DB_INTERRUPTED); - } - - if (!row_merge_blocks_copy(index, file, block, &foffs1, &of)) { - return(DB_CORRUPTION); - } - } - - ut_ad(foffs1 == file->offset); - - if (UNIV_UNLIKELY(of.n_rec != file->n_rec)) { - return(DB_CORRUPTION); - } - - /* Swap file descriptors for the next pass. */ - *tmpfd = file->fd; - *file = of; - *half = ohalf; - - UNIV_MEM_INVALID(block[0], 3 * sizeof block[0]); - - return(DB_SUCCESS); -} - -/*************************************************************//** -Merge disk files. -@return DB_SUCCESS or error code */ -static -ulint -row_merge_sort( -/*===========*/ - trx_t* trx, /*!< in: transaction */ - const dict_index_t* index, /*!< in: index being created */ - merge_file_t* file, /*!< in/out: file containing - index entries */ - row_merge_block_t* block, /*!< in/out: 3 buffers */ - int* tmpfd, /*!< in/out: temporary file handle */ - struct TABLE* table) /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -{ - ulint half = file->offset / 2; - - /* The file should always contain at least one byte (the end - of file marker). Thus, it must be at least one block. */ - ut_ad(file->offset > 0); - - do { - ulint error; - - error = row_merge(trx, index, file, &half, - block, tmpfd, table); - - if (error != DB_SUCCESS) { - return(error); - } - - /* half > 0 should hold except when the file consists - of one block. No need to merge further then. */ - ut_ad(half > 0 || file->offset == 1); - } while (half < file->offset && half > 0); - - return(DB_SUCCESS); -} - -/*************************************************************//** -Copy externally stored columns to the data tuple. */ -static -void -row_merge_copy_blobs( -/*=================*/ - const mrec_t* mrec, /*!< in: merge record */ - const ulint* offsets,/*!< in: offsets of mrec */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - dtuple_t* tuple, /*!< in/out: data tuple */ - mem_heap_t* heap) /*!< in/out: memory heap */ -{ - ulint i; - ulint n_fields = dtuple_get_n_fields(tuple); - - for (i = 0; i < n_fields; i++) { - ulint len; - const void* data; - dfield_t* field = dtuple_get_nth_field(tuple, i); - - if (!dfield_is_ext(field)) { - continue; - } - - ut_ad(!dfield_is_null(field)); - - /* The table is locked during index creation. - Therefore, externally stored columns cannot possibly - be freed between the time the BLOB pointers are read - (row_merge_read_clustered_index()) and dereferenced - (below). */ - data = btr_rec_copy_externally_stored_field( - mrec, offsets, zip_size, i, &len, heap); - - dfield_set_data(field, data, len); - } -} - -/********************************************************************//** -Read sorted file containing index data tuples and insert these data -tuples to the index -@return DB_SUCCESS or error number */ -static -ulint -row_merge_insert_index_tuples( -/*==========================*/ - trx_t* trx, /*!< in: transaction */ - dict_index_t* index, /*!< in: index */ - dict_table_t* table, /*!< in: new table */ - ulint zip_size,/*!< in: compressed page size of - the old table, or 0 if uncompressed */ - int fd, /*!< in: file descriptor */ - row_merge_block_t* block) /*!< in/out: file buffer */ -{ - const byte* b; - que_thr_t* thr; - ins_node_t* node; - mem_heap_t* tuple_heap; - mem_heap_t* graph_heap; - ulint error = DB_SUCCESS; - ulint foffs = 0; - ulint* offsets; - - ut_ad(trx); - ut_ad(index); - ut_ad(table); - - /* We use the insert query graph as the dummy graph - needed in the row module call */ - - trx->op_info = "inserting index entries"; - - graph_heap = mem_heap_create(500 + sizeof(mrec_buf_t)); - node = ins_node_create(INS_DIRECT, table, graph_heap); - - thr = pars_complete_graph_for_exec(node, trx, graph_heap); - - que_thr_move_to_run_state_for_mysql(thr, trx); - - tuple_heap = mem_heap_create(1000); - - { - ulint i = 1 + REC_OFFS_HEADER_SIZE - + dict_index_get_n_fields(index); - offsets = mem_heap_alloc(graph_heap, i * sizeof *offsets); - offsets[0] = i; - offsets[1] = dict_index_get_n_fields(index); - } - - b = *block; - - if (!row_merge_read(fd, foffs, block)) { - error = DB_CORRUPTION; - } else { - mrec_buf_t* buf = mem_heap_alloc(graph_heap, sizeof *buf); - - for (;;) { - const mrec_t* mrec; - dtuple_t* dtuple; - ulint n_ext; - - b = row_merge_read_rec(block, buf, b, index, - fd, &foffs, &mrec, offsets); - if (UNIV_UNLIKELY(!b)) { - /* End of list, or I/O error */ - if (mrec) { - error = DB_CORRUPTION; - } - break; - } - - dtuple = row_rec_to_index_entry_low( - mrec, index, offsets, &n_ext, tuple_heap); - - if (UNIV_UNLIKELY(n_ext)) { - row_merge_copy_blobs(mrec, offsets, zip_size, - dtuple, tuple_heap); - } - - node->row = dtuple; - node->table = table; - node->trx_id = trx->id; - - ut_ad(dtuple_validate(dtuple)); - - do { - thr->run_node = thr; - thr->prev_node = thr->common.parent; - - error = row_ins_index_entry(index, dtuple, - 0, FALSE, thr); - - if (UNIV_LIKELY(error == DB_SUCCESS)) { - - goto next_rec; - } - - thr->lock_state = QUE_THR_LOCK_ROW; - trx->error_state = error; - que_thr_stop_for_mysql(thr); - thr->lock_state = QUE_THR_LOCK_NOLOCK; - } while (row_mysql_handle_errors(&error, trx, - thr, NULL)); - - goto err_exit; -next_rec: - mem_heap_empty(tuple_heap); - } - } - - que_thr_stop_for_mysql_no_error(thr, trx); -err_exit: - que_graph_free(thr->graph); - - trx->op_info = ""; - - mem_heap_free(tuple_heap); - - return(error); -} - -/*********************************************************************//** -Sets an exclusive lock on a table, for the duration of creating indexes. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_merge_lock_table( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - dict_table_t* table, /*!< in: table to lock */ - enum lock_mode mode) /*!< in: LOCK_X or LOCK_S */ -{ - mem_heap_t* heap; - que_thr_t* thr; - ulint err; - sel_node_t* node; - - ut_ad(trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - ut_ad(mode == LOCK_X || mode == LOCK_S); - - heap = mem_heap_create(512); - - trx->op_info = "setting table lock for creating or dropping index"; - - node = sel_node_create(heap); - thr = pars_complete_graph_for_exec(node, trx, heap); - thr->graph->state = QUE_FORK_ACTIVE; - - /* We use the select query graph as the dummy graph needed - in the lock module call */ - - thr = que_fork_get_first_thr(que_node_get_parent(thr)); - que_thr_move_to_run_state_for_mysql(thr, trx); - -run_again: - thr->run_node = thr; - thr->prev_node = thr->common.parent; - - err = lock_table(0, table, mode, thr); - - trx->error_state = err; - - if (UNIV_LIKELY(err == DB_SUCCESS)) { - que_thr_stop_for_mysql_no_error(thr, trx); - } else { - que_thr_stop_for_mysql(thr); - - if (err != DB_QUE_THR_SUSPENDED) { - ibool was_lock_wait; - - was_lock_wait = row_mysql_handle_errors( - &err, trx, thr, NULL); - - if (was_lock_wait) { - goto run_again; - } - } else { - que_thr_t* run_thr; - que_node_t* parent; - - parent = que_node_get_parent(thr); - run_thr = que_fork_start_command(parent); - - ut_a(run_thr == thr); - - /* There was a lock wait but the thread was not - in a ready to run or running state. */ - trx->error_state = DB_LOCK_WAIT; - - goto run_again; - } - } - - que_graph_free(thr->graph); - trx->op_info = ""; - - return(err); -} - -/*********************************************************************//** -Drop an index from the InnoDB system tables. The data dictionary must -have been locked exclusively by the caller, because the transaction -will not be committed. */ -UNIV_INTERN -void -row_merge_drop_index( -/*=================*/ - dict_index_t* index, /*!< in: index to be removed */ - dict_table_t* table, /*!< in: table */ - trx_t* trx) /*!< in: transaction handle */ -{ - ulint err; - pars_info_t* info = pars_info_create(); - - /* We use the private SQL parser of Innobase to generate the - query graphs needed in deleting the dictionary data from system - tables in Innobase. Deleting a row from SYS_INDEXES table also - frees the file segments of the B-tree associated with the index. */ - - static const char str1[] = - "PROCEDURE DROP_INDEX_PROC () IS\n" - "BEGIN\n" - /* Rename the index, so that it will be dropped by - row_merge_drop_temp_indexes() at crash recovery - if the server crashes before this trx is committed. */ - "UPDATE SYS_INDEXES SET NAME=CONCAT('" - TEMP_INDEX_PREFIX_STR "', NAME) WHERE ID = :indexid;\n" - "COMMIT WORK;\n" - /* Drop the field definitions of the index. */ - "DELETE FROM SYS_FIELDS WHERE INDEX_ID = :indexid;\n" - /* Drop the index definition and the B-tree. */ - "DELETE FROM SYS_INDEXES WHERE ID = :indexid;\n" - "END;\n"; - - ut_ad(index && table && trx); - - pars_info_add_dulint_literal(info, "indexid", index->id); - - trx_start_if_not_started(trx); - trx->op_info = "dropping index"; - - ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); - - err = que_eval_sql(info, str1, FALSE, trx); - - ut_a(err == DB_SUCCESS); - - /* Replace this index with another equivalent index for all - foreign key constraints on this table where this index is used */ - - dict_table_replace_index_in_foreign_list(table, index); - dict_index_remove_from_cache(table, index); - - trx->op_info = ""; -} - -/*********************************************************************//** -Drop those indexes which were created before an error occurred when -building an index. The data dictionary must have been locked -exclusively by the caller, because the transaction will not be -committed. */ -UNIV_INTERN -void -row_merge_drop_indexes( -/*===================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table, /*!< in: table containing the indexes */ - dict_index_t** index, /*!< in: indexes to drop */ - ulint num_created) /*!< in: number of elements in index[] */ -{ - ulint key_num; - - for (key_num = 0; key_num < num_created; key_num++) { - row_merge_drop_index(index[key_num], table, trx); - } -} - -/*********************************************************************//** -Drop all partially created indexes during crash recovery. */ -UNIV_INTERN -void -row_merge_drop_temp_indexes(void) -/*=============================*/ -{ - trx_t* trx; - btr_pcur_t pcur; - mtr_t mtr; - - /* Load the table definitions that contain partially defined - indexes, so that the data dictionary information can be checked - when accessing the tablename.ibd files. */ - trx = trx_allocate_for_background(); - trx->op_info = "dropping partially created indexes"; - row_mysql_lock_data_dictionary(trx); - - mtr_start(&mtr); - - btr_pcur_open_at_index_side( - TRUE, - dict_table_get_first_index(dict_sys->sys_indexes), - BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - - for (;;) { - const rec_t* rec; - const byte* field; - ulint len; - dulint table_id; - dict_table_t* table; - - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - break; - } - - rec = btr_pcur_get_rec(&pcur); - field = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_NAME_FIELD, - &len); - if (len == UNIV_SQL_NULL || len == 0 - || mach_read_from_1(field) != (ulint) TEMP_INDEX_PREFIX) { - continue; - } - - /* This is a temporary index. */ - - field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len); - if (len != 8) { - /* Corrupted TABLE_ID */ - continue; - } - - table_id = mach_read_from_8(field); - - btr_pcur_store_position(&pcur, &mtr); - btr_pcur_commit_specify_mtr(&pcur, &mtr); - - table = dict_load_table_on_id(table_id); - - if (table) { - dict_index_t* index; - - for (index = dict_table_get_first_index(table); - index; index = dict_table_get_next_index(index)) { - - if (*index->name == TEMP_INDEX_PREFIX) { - row_merge_drop_index(index, table, trx); - trx_commit_for_mysql(trx); - } - } - } - - mtr_start(&mtr); - btr_pcur_restore_position(BTR_SEARCH_LEAF, - &pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - row_mysql_unlock_data_dictionary(trx); - trx_free_for_background(trx); -} - -/*********************************************************************//** -Create a merge file. */ -static -void -row_merge_file_create( -/*==================*/ - merge_file_t* merge_file) /*!< out: merge file structure */ -{ - merge_file->fd = innobase_mysql_tmpfile(); - merge_file->offset = 0; - merge_file->n_rec = 0; -} - -/*********************************************************************//** -Destroy a merge file. */ -static -void -row_merge_file_destroy( -/*===================*/ - merge_file_t* merge_file) /*!< out: merge file structure */ -{ - if (merge_file->fd != -1) { - close(merge_file->fd); - merge_file->fd = -1; - } -} - -/*********************************************************************//** -Determine the precise type of a column that is added to a tem -if a column must be constrained NOT NULL. -@return col->prtype, possibly ORed with DATA_NOT_NULL */ -UNIV_INLINE -ulint -row_merge_col_prtype( -/*=================*/ - const dict_col_t* col, /*!< in: column */ - const char* col_name, /*!< in: name of the column */ - const merge_index_def_t*index_def) /*!< in: the index definition - of the primary key */ -{ - ulint prtype = col->prtype; - ulint i; - - ut_ad(index_def->ind_type & DICT_CLUSTERED); - - if (prtype & DATA_NOT_NULL) { - - return(prtype); - } - - /* All columns that are included - in the PRIMARY KEY must be NOT NULL. */ - - for (i = 0; i < index_def->n_fields; i++) { - if (!strcmp(col_name, index_def->fields[i].field_name)) { - return(prtype | DATA_NOT_NULL); - } - } - - return(prtype); -} - -/*********************************************************************//** -Create a temporary table for creating a primary key, using the definition -of an existing table. -@return table, or NULL on error */ -UNIV_INTERN -dict_table_t* -row_merge_create_temporary_table( -/*=============================*/ - const char* table_name, /*!< in: new table name */ - const merge_index_def_t*index_def, /*!< in: the index definition - of the primary key */ - const dict_table_t* table, /*!< in: old table definition */ - trx_t* trx) /*!< in/out: transaction - (sets error_state) */ -{ - ulint i; - dict_table_t* new_table = NULL; - ulint n_cols = dict_table_get_n_user_cols(table); - ulint error; - mem_heap_t* heap = mem_heap_create(1000); - - ut_ad(table_name); - ut_ad(index_def); - ut_ad(table); - ut_ad(mutex_own(&dict_sys->mutex)); - - new_table = dict_mem_table_create(table_name, 0, n_cols, table->flags); - - for (i = 0; i < n_cols; i++) { - const dict_col_t* col; - const char* col_name; - - col = dict_table_get_nth_col(table, i); - col_name = dict_table_get_col_name(table, i); - - dict_mem_table_add_col(new_table, heap, col_name, col->mtype, - row_merge_col_prtype(col, col_name, - index_def), - col->len); - } - - error = row_create_table_for_mysql(new_table, trx); - mem_heap_free(heap); - - if (error != DB_SUCCESS) { - trx->error_state = error; - new_table = NULL; - } - - return(new_table); -} - -/*********************************************************************//** -Rename the temporary indexes in the dictionary to permanent ones. The -data dictionary must have been locked exclusively by the caller, -because the transaction will not be committed. -@return DB_SUCCESS if all OK */ -UNIV_INTERN -ulint -row_merge_rename_indexes( -/*=====================*/ - trx_t* trx, /*!< in/out: transaction */ - dict_table_t* table) /*!< in/out: table with new indexes */ -{ - ulint err = DB_SUCCESS; - pars_info_t* info = pars_info_create(); - - /* We use the private SQL parser of Innobase to generate the - query graphs needed in renaming indexes. */ - - static const char rename_indexes[] = - "PROCEDURE RENAME_INDEXES_PROC () IS\n" - "BEGIN\n" - "UPDATE SYS_INDEXES SET NAME=SUBSTR(NAME,1,LENGTH(NAME)-1)\n" - "WHERE TABLE_ID = :tableid AND SUBSTR(NAME,0,1)='" - TEMP_INDEX_PREFIX_STR "';\n" - "END;\n"; - - ut_ad(table); - ut_ad(trx); - ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); - - trx->op_info = "renaming indexes"; - - pars_info_add_dulint_literal(info, "tableid", table->id); - - err = que_eval_sql(info, rename_indexes, FALSE, trx); - - if (err == DB_SUCCESS) { - dict_index_t* index = dict_table_get_first_index(table); - do { - if (*index->name == TEMP_INDEX_PREFIX) { - index->name++; - } - index = dict_table_get_next_index(index); - } while (index); - } - - trx->op_info = ""; - - return(err); -} - -/*********************************************************************//** -Rename the tables in the data dictionary. The data dictionary must -have been locked exclusively by the caller, because the transaction -will not be committed. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_merge_rename_tables( -/*====================*/ - dict_table_t* old_table, /*!< in/out: old table, renamed to - tmp_name */ - dict_table_t* new_table, /*!< in/out: new table, renamed to - old_table->name */ - const char* tmp_name, /*!< in: new name for old_table */ - trx_t* trx) /*!< in: transaction handle */ -{ - ulint err = DB_ERROR; - pars_info_t* info; - const char* old_name= old_table->name; - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - ut_ad(old_table != new_table); - ut_ad(mutex_own(&dict_sys->mutex)); - - ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); - - trx->op_info = "renaming tables"; - - /* We use the private SQL parser of Innobase to generate the query - graphs needed in updating the dictionary data in system tables. */ - - info = pars_info_create(); - - pars_info_add_str_literal(info, "new_name", new_table->name); - pars_info_add_str_literal(info, "old_name", old_name); - pars_info_add_str_literal(info, "tmp_name", tmp_name); - - err = que_eval_sql(info, - "PROCEDURE RENAME_TABLES () IS\n" - "BEGIN\n" - "UPDATE SYS_TABLES SET NAME = :tmp_name\n" - " WHERE NAME = :old_name;\n" - "UPDATE SYS_TABLES SET NAME = :old_name\n" - " WHERE NAME = :new_name;\n" - "END;\n", FALSE, trx); - - if (err != DB_SUCCESS) { - - goto err_exit; - } - - /* The following calls will also rename the .ibd data files if - the tables are stored in a single-table tablespace */ - - if (!dict_table_rename_in_cache(old_table, tmp_name, FALSE) - || !dict_table_rename_in_cache(new_table, old_name, FALSE)) { - - err = DB_ERROR; - goto err_exit; - } - - err = dict_load_foreigns(old_name, TRUE); - - if (err != DB_SUCCESS) { -err_exit: - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - } - - trx->op_info = ""; - - return(err); -} - -/*********************************************************************//** -Create and execute a query graph for creating an index. -@return DB_SUCCESS or error code */ -static -ulint -row_merge_create_index_graph( -/*=========================*/ - trx_t* trx, /*!< in: trx */ - dict_table_t* table, /*!< in: table */ - dict_index_t* index) /*!< in: index */ -{ - ind_node_t* node; /*!< Index creation node */ - mem_heap_t* heap; /*!< Memory heap */ - que_thr_t* thr; /*!< Query thread */ - ulint err; - - ut_ad(trx); - ut_ad(table); - ut_ad(index); - - heap = mem_heap_create(512); - - index->table = table; - node = ind_create_graph_create(index, heap); - thr = pars_complete_graph_for_exec(node, trx, heap); - - ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); - - que_run_threads(thr); - - err = trx->error_state; - - que_graph_free((que_t*) que_node_get_parent(thr)); - - return(err); -} - -/*********************************************************************//** -Create the index and load in to the dictionary. -@return index, or NULL on error */ -UNIV_INTERN -dict_index_t* -row_merge_create_index( -/*===================*/ - trx_t* trx, /*!< in/out: trx (sets error_state) */ - dict_table_t* table, /*!< in: the index is on this table */ - const merge_index_def_t*index_def) - /*!< in: the index definition */ -{ - dict_index_t* index; - ulint err; - ulint n_fields = index_def->n_fields; - ulint i; - - /* Create the index prototype, using the passed in def, this is not - a persistent operation. We pass 0 as the space id, and determine at - a lower level the space id where to store the table. */ - - index = dict_mem_index_create(table->name, index_def->name, - 0, index_def->ind_type, n_fields); - - ut_a(index); - - for (i = 0; i < n_fields; i++) { - merge_index_field_t* ifield = &index_def->fields[i]; - - dict_mem_index_add_field(index, ifield->field_name, - ifield->prefix_len); - } - - /* Add the index to SYS_INDEXES, using the index prototype. */ - err = row_merge_create_index_graph(trx, table, index); - - if (err == DB_SUCCESS) { - - index = row_merge_dict_table_get_index( - table, index_def); - - ut_a(index); - - /* Note the id of the transaction that created this - index, we use it to restrict readers from accessing - this index, to ensure read consistency. */ - index->trx_id = (ib_uint64_t) - ut_conv_dulint_to_longlong(trx->id); - } else { - index = NULL; - } - - return(index); -} - -/*********************************************************************//** -Check if a transaction can use an index. */ -UNIV_INTERN -ibool -row_merge_is_index_usable( -/*======================*/ - const trx_t* trx, /*!< in: transaction */ - const dict_index_t* index) /*!< in: index to check */ -{ - return(!trx->read_view || read_view_sees_trx_id( - trx->read_view, - ut_dulint_create((ulint) (index->trx_id >> 32), - (ulint) index->trx_id & 0xFFFFFFFF))); -} - -/*********************************************************************//** -Drop the old table. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_merge_drop_table( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* table) /*!< in: table to drop */ -{ - /* There must be no open transactions on the table. */ - ut_a(table->n_mysql_handles_opened == 0); - - return(row_drop_table_for_mysql(table->name, trx, FALSE)); -} - -/*********************************************************************//** -Build indexes on a table by reading a clustered index, -creating a temporary file containing index entries, merge sorting -these index entries and inserting sorted index entries to indexes. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_merge_build_indexes( -/*====================*/ - trx_t* trx, /*!< in: transaction */ - dict_table_t* old_table, /*!< in: table where rows are - read from */ - dict_table_t* new_table, /*!< in: table where indexes are - created; identical to old_table - unless creating a PRIMARY KEY */ - dict_index_t** indexes, /*!< in: indexes to be created */ - ulint n_indexes, /*!< in: size of indexes[] */ - struct TABLE* table) /*!< in/out: MySQL table, for - reporting erroneous key value - if applicable */ -{ - merge_file_t* merge_files; - row_merge_block_t* block; - ulint block_size; - ulint i; - ulint error; - int tmpfd; - - ut_ad(trx); - ut_ad(old_table); - ut_ad(new_table); - ut_ad(indexes); - ut_ad(n_indexes); - - trx_start_if_not_started(trx); - - /* Allocate memory for merge file data structure and initialize - fields */ - - merge_files = mem_alloc(n_indexes * sizeof *merge_files); - block_size = 3 * sizeof *block; - block = os_mem_alloc_large(&block_size); - - for (i = 0; i < n_indexes; i++) { - - row_merge_file_create(&merge_files[i]); - } - - tmpfd = innobase_mysql_tmpfile(); - - /* Reset the MySQL row buffer that is used when reporting - duplicate keys. */ - innobase_rec_reset(table); - - /* Read clustered index of the table and create files for - secondary index entries for merge sort */ - - error = row_merge_read_clustered_index( - trx, table, old_table, new_table, indexes, - merge_files, n_indexes, block); - - if (error != DB_SUCCESS) { - - goto func_exit; - } - - /* Now we have files containing index entries ready for - sorting and inserting. */ - - for (i = 0; i < n_indexes; i++) { - error = row_merge_sort(trx, indexes[i], &merge_files[i], - block, &tmpfd, table); - - if (error == DB_SUCCESS) { - error = row_merge_insert_index_tuples( - trx, indexes[i], new_table, - dict_table_zip_size(old_table), - merge_files[i].fd, block); - } - - /* Close the temporary file to free up space. */ - row_merge_file_destroy(&merge_files[i]); - - if (error != DB_SUCCESS) { - trx->error_key_num = i; - goto func_exit; - } - } - -func_exit: - close(tmpfd); - - for (i = 0; i < n_indexes; i++) { - row_merge_file_destroy(&merge_files[i]); - } - - mem_free(merge_files); - os_mem_free_large(block, block_size); - - return(error); -} diff --git a/perfschema/row/row0mysql.c b/perfschema/row/row0mysql.c deleted file mode 100644 index 0d8d298453c..00000000000 --- a/perfschema/row/row0mysql.c +++ /dev/null @@ -1,4178 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0mysql.c -Interface between Innobase row operations and MySQL. -Contains also create table and other data dictionary operations. - -Created 9/17/2000 Heikki Tuuri -*******************************************************/ - -#include "row0mysql.h" - -#ifdef UNIV_NONINL -#include "row0mysql.ic" -#endif - -#include "row0ins.h" -#include "row0merge.h" -#include "row0sel.h" -#include "row0upd.h" -#include "row0row.h" -#include "que0que.h" -#include "pars0pars.h" -#include "dict0dict.h" -#include "dict0crea.h" -#include "dict0load.h" -#include "dict0boot.h" -#include "trx0roll.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "trx0undo.h" -#include "lock0lock.h" -#include "rem0cmp.h" -#include "log0log.h" -#include "btr0sea.h" -#include "fil0fil.h" -#include "ibuf0ibuf.h" - -/** Provide optional 4.x backwards compatibility for 5.0 and above */ -UNIV_INTERN ibool row_rollback_on_timeout = FALSE; - -/** Chain node of the list of tables to drop in the background. */ -typedef struct row_mysql_drop_struct row_mysql_drop_t; - -/** Chain node of the list of tables to drop in the background. */ -struct row_mysql_drop_struct{ - char* table_name; /*!< table name */ - UT_LIST_NODE_T(row_mysql_drop_t)row_mysql_drop_list; - /*!< list chain node */ -}; - -/** @brief List of tables we should drop in background. - -ALTER TABLE in MySQL requires that the table handler can drop the -table in background when there are no queries to it any -more. Protected by kernel_mutex. */ -static UT_LIST_BASE_NODE_T(row_mysql_drop_t) row_mysql_drop_list; -/** Flag: has row_mysql_drop_list been initialized? */ -static ibool row_mysql_drop_list_inited = FALSE; - -/** Magic table names for invoking various monitor threads */ -/* @{ */ -static const char S_innodb_monitor[] = "innodb_monitor"; -static const char S_innodb_lock_monitor[] = "innodb_lock_monitor"; -static const char S_innodb_tablespace_monitor[] = "innodb_tablespace_monitor"; -static const char S_innodb_table_monitor[] = "innodb_table_monitor"; -static const char S_innodb_mem_validate[] = "innodb_mem_validate"; -/* @} */ - -/** Evaluates to true if str1 equals str2_onstack, used for comparing -the magic table names. -@param str1 in: string to compare -@param str1_len in: length of str1, in bytes, including terminating NUL -@param str2_onstack in: char[] array containing a NUL terminated string -@return TRUE if str1 equals str2_onstack */ -#define STR_EQ(str1, str1_len, str2_onstack) \ - ((str1_len) == sizeof(str2_onstack) \ - && memcmp(str1, str2_onstack, sizeof(str2_onstack)) == 0) - -/*******************************************************************//** -Determine if the given name is a name reserved for MySQL system tables. -@return TRUE if name is a MySQL system table name */ -static -ibool -row_mysql_is_system_table( -/*======================*/ - const char* name) -{ - if (strncmp(name, "mysql/", 6) != 0) { - - return(FALSE); - } - - return(0 == strcmp(name + 6, "host") - || 0 == strcmp(name + 6, "user") - || 0 == strcmp(name + 6, "db")); -} - -/*********************************************************************//** -If a table is not yet in the drop list, adds the table to the list of tables -which the master thread drops in background. We need this on Unix because in -ALTER TABLE MySQL may call drop table even if the table has running queries on -it. Also, if there are running foreign key checks on the table, we drop the -table lazily. -@return TRUE if the table was not yet in the drop list, and was added there */ -static -ibool -row_add_table_to_background_drop_list( -/*==================================*/ - const char* name); /*!< in: table name */ - -/*******************************************************************//** -Delays an INSERT, DELETE or UPDATE operation if the purge is lagging. */ -static -void -row_mysql_delay_if_needed(void) -/*===========================*/ -{ - if (srv_dml_needed_delay) { - os_thread_sleep(srv_dml_needed_delay); - } -} - -/*******************************************************************//** -Frees the blob heap in prebuilt when no longer needed. */ -UNIV_INTERN -void -row_mysql_prebuilt_free_blob_heap( -/*==============================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct of a - ha_innobase:: table handle */ -{ - mem_heap_free(prebuilt->blob_heap); - prebuilt->blob_heap = NULL; -} - -/*******************************************************************//** -Stores a >= 5.0.3 format true VARCHAR length to dest, in the MySQL row -format. -@return pointer to the data, we skip the 1 or 2 bytes at the start -that are used to store the len */ -UNIV_INTERN -byte* -row_mysql_store_true_var_len( -/*=========================*/ - byte* dest, /*!< in: where to store */ - ulint len, /*!< in: length, must fit in two bytes */ - ulint lenlen) /*!< in: storage length of len: either 1 or 2 bytes */ -{ - if (lenlen == 2) { - ut_a(len < 256 * 256); - - mach_write_to_2_little_endian(dest, len); - - return(dest + 2); - } - - ut_a(lenlen == 1); - ut_a(len < 256); - - mach_write_to_1(dest, len); - - return(dest + 1); -} - -/*******************************************************************//** -Reads a >= 5.0.3 format true VARCHAR length, in the MySQL row format, and -returns a pointer to the data. -@return pointer to the data, we skip the 1 or 2 bytes at the start -that are used to store the len */ -UNIV_INTERN -const byte* -row_mysql_read_true_varchar( -/*========================*/ - ulint* len, /*!< out: variable-length field length */ - const byte* field, /*!< in: field in the MySQL format */ - ulint lenlen) /*!< in: storage length of len: either 1 - or 2 bytes */ -{ - if (lenlen == 2) { - *len = mach_read_from_2_little_endian(field); - - return(field + 2); - } - - ut_a(lenlen == 1); - - *len = mach_read_from_1(field); - - return(field + 1); -} - -/*******************************************************************//** -Stores a reference to a BLOB in the MySQL format. */ -UNIV_INTERN -void -row_mysql_store_blob_ref( -/*=====================*/ - byte* dest, /*!< in: where to store */ - ulint col_len,/*!< in: dest buffer size: determines into - how many bytes the BLOB length is stored, - the space for the length may vary from 1 - to 4 bytes */ - const void* data, /*!< in: BLOB data; if the value to store - is SQL NULL this should be NULL pointer */ - ulint len) /*!< in: BLOB length; if the value to store - is SQL NULL this should be 0; remember - also to set the NULL bit in the MySQL record - header! */ -{ - /* MySQL might assume the field is set to zero except the length and - the pointer fields */ - - memset(dest, '\0', col_len); - - /* In dest there are 1 - 4 bytes reserved for the BLOB length, - and after that 8 bytes reserved for the pointer to the data. - In 32-bit architectures we only use the first 4 bytes of the pointer - slot. */ - - ut_a(col_len - 8 > 1 || len < 256); - ut_a(col_len - 8 > 2 || len < 256 * 256); - ut_a(col_len - 8 > 3 || len < 256 * 256 * 256); - - mach_write_to_n_little_endian(dest, col_len - 8, len); - - memcpy(dest + col_len - 8, &data, sizeof data); -} - -/*******************************************************************//** -Reads a reference to a BLOB in the MySQL format. -@return pointer to BLOB data */ -UNIV_INTERN -const byte* -row_mysql_read_blob_ref( -/*====================*/ - ulint* len, /*!< out: BLOB length */ - const byte* ref, /*!< in: BLOB reference in the - MySQL format */ - ulint col_len) /*!< in: BLOB reference length - (not BLOB length) */ -{ - byte* data; - - *len = mach_read_from_n_little_endian(ref, col_len - 8); - - memcpy(&data, ref + col_len - 8, sizeof data); - - return(data); -} - -/**************************************************************//** -Stores a non-SQL-NULL field given in the MySQL format in the InnoDB format. -The counterpart of this function is row_sel_field_store_in_mysql_format() in -row0sel.c. -@return up to which byte we used buf in the conversion */ -UNIV_INTERN -byte* -row_mysql_store_col_in_innobase_format( -/*===================================*/ - dfield_t* dfield, /*!< in/out: dfield where dtype - information must be already set when - this function is called! */ - byte* buf, /*!< in/out: buffer for a converted - integer value; this must be at least - col_len long then! */ - ibool row_format_col, /*!< TRUE if the mysql_data is from - a MySQL row, FALSE if from a MySQL - key value; - in MySQL, a true VARCHAR storage - format differs in a row and in a - key value: in a key value the length - is always stored in 2 bytes! */ - const byte* mysql_data, /*!< in: MySQL column value, not - SQL NULL; NOTE that dfield may also - get a pointer to mysql_data, - therefore do not discard this as long - as dfield is used! */ - ulint col_len, /*!< in: MySQL column length; NOTE that - this is the storage length of the - column in the MySQL format row, not - necessarily the length of the actual - payload data; if the column is a true - VARCHAR then this is irrelevant */ - ulint comp) /*!< in: nonzero=compact format */ -{ - const byte* ptr = mysql_data; - const dtype_t* dtype; - ulint type; - ulint lenlen; - - dtype = dfield_get_type(dfield); - - type = dtype->mtype; - - if (type == DATA_INT) { - /* Store integer data in Innobase in a big-endian format, - sign bit negated if the data is a signed integer. In MySQL, - integers are stored in a little-endian format. */ - - byte* p = buf + col_len; - - for (;;) { - p--; - *p = *mysql_data; - if (p == buf) { - break; - } - mysql_data++; - } - - if (!(dtype->prtype & DATA_UNSIGNED)) { - - *buf ^= 128; - } - - ptr = buf; - buf += col_len; - } else if ((type == DATA_VARCHAR - || type == DATA_VARMYSQL - || type == DATA_BINARY)) { - - if (dtype_get_mysql_type(dtype) == DATA_MYSQL_TRUE_VARCHAR) { - /* The length of the actual data is stored to 1 or 2 - bytes at the start of the field */ - - if (row_format_col) { - if (dtype->prtype & DATA_LONG_TRUE_VARCHAR) { - lenlen = 2; - } else { - lenlen = 1; - } - } else { - /* In a MySQL key value, lenlen is always 2 */ - lenlen = 2; - } - - ptr = row_mysql_read_true_varchar(&col_len, mysql_data, - lenlen); - } else { - /* Remove trailing spaces from old style VARCHAR - columns. */ - - /* Handle UCS2 strings differently. */ - ulint mbminlen = dtype_get_mbminlen(dtype); - - ptr = mysql_data; - - if (mbminlen == 2) { - /* space=0x0020 */ - /* Trim "half-chars", just in case. */ - col_len &= ~1; - - while (col_len >= 2 && ptr[col_len - 2] == 0x00 - && ptr[col_len - 1] == 0x20) { - col_len -= 2; - } - } else { - ut_a(mbminlen == 1); - /* space=0x20 */ - while (col_len > 0 - && ptr[col_len - 1] == 0x20) { - col_len--; - } - } - } - } else if (comp && type == DATA_MYSQL - && dtype_get_mbminlen(dtype) == 1 - && dtype_get_mbmaxlen(dtype) > 1) { - /* In some cases we strip trailing spaces from UTF-8 and other - multibyte charsets, from FIXED-length CHAR columns, to save - space. UTF-8 would otherwise normally use 3 * the string length - bytes to store an ASCII string! */ - - /* We assume that this CHAR field is encoded in a - variable-length character set where spaces have - 1:1 correspondence to 0x20 bytes, such as UTF-8. - - Consider a CHAR(n) field, a field of n characters. - It will contain between n * mbminlen and n * mbmaxlen bytes. - We will try to truncate it to n bytes by stripping - space padding. If the field contains single-byte - characters only, it will be truncated to n characters. - Consider a CHAR(5) field containing the string ".a " - where "." denotes a 3-byte character represented by - the bytes "$%&". After our stripping, the string will - be stored as "$%&a " (5 bytes). The string ".abc " - will be stored as "$%&abc" (6 bytes). - - The space padding will be restored in row0sel.c, function - row_sel_field_store_in_mysql_format(). */ - - ulint n_chars; - - ut_a(!(dtype_get_len(dtype) % dtype_get_mbmaxlen(dtype))); - - n_chars = dtype_get_len(dtype) / dtype_get_mbmaxlen(dtype); - - /* Strip space padding. */ - while (col_len > n_chars && ptr[col_len - 1] == 0x20) { - col_len--; - } - } else if (type == DATA_BLOB && row_format_col) { - - ptr = row_mysql_read_blob_ref(&col_len, mysql_data, col_len); - } - - dfield_set_data(dfield, ptr, col_len); - - return(buf); -} - -/**************************************************************//** -Convert a row in the MySQL format to a row in the Innobase format. Note that -the function to convert a MySQL format key value to an InnoDB dtuple is -row_sel_convert_mysql_key_to_innobase() in row0sel.c. */ -static -void -row_mysql_convert_row_to_innobase( -/*==============================*/ - dtuple_t* row, /*!< in/out: Innobase row where the - field type information is already - copied there! */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct where template - must be of type ROW_MYSQL_WHOLE_ROW */ - byte* mysql_rec) /*!< in: row in the MySQL format; - NOTE: do not discard as long as - row is used, as row may contain - pointers to this record! */ -{ - mysql_row_templ_t* templ; - dfield_t* dfield; - ulint i; - - ut_ad(prebuilt->template_type == ROW_MYSQL_WHOLE_ROW); - ut_ad(prebuilt->mysql_template); - - for (i = 0; i < prebuilt->n_template; i++) { - - templ = prebuilt->mysql_template + i; - dfield = dtuple_get_nth_field(row, i); - - if (templ->mysql_null_bit_mask != 0) { - /* Column may be SQL NULL */ - - if (mysql_rec[templ->mysql_null_byte_offset] - & (byte) (templ->mysql_null_bit_mask)) { - - /* It is SQL NULL */ - - dfield_set_null(dfield); - - goto next_column; - } - } - - row_mysql_store_col_in_innobase_format( - dfield, - prebuilt->ins_upd_rec_buff + templ->mysql_col_offset, - TRUE, /* MySQL row format data */ - mysql_rec + templ->mysql_col_offset, - templ->mysql_col_len, - dict_table_is_comp(prebuilt->table)); -next_column: - ; - } -} - -/****************************************************************//** -Handles user errors and lock waits detected by the database engine. -@return TRUE if it was a lock wait and we should continue running the -query thread and in that case the thr is ALREADY in the running state. */ -UNIV_INTERN -ibool -row_mysql_handle_errors( -/*====================*/ - ulint* new_err,/*!< out: possible new error encountered in - lock wait, or if no new error, the value - of trx->error_state at the entry of this - function */ - trx_t* trx, /*!< in: transaction */ - que_thr_t* thr, /*!< in: query thread */ - trx_savept_t* savept) /*!< in: savepoint or NULL */ -{ - ulint err; - -handle_new_error: - err = trx->error_state; - - ut_a(err != DB_SUCCESS); - - trx->error_state = DB_SUCCESS; - - switch (err) { - case DB_LOCK_WAIT_TIMEOUT: - if (row_rollback_on_timeout) { - trx_general_rollback_for_mysql(trx, NULL); - break; - } - /* fall through */ - case DB_DUPLICATE_KEY: - case DB_FOREIGN_DUPLICATE_KEY: - case DB_TOO_BIG_RECORD: - case DB_ROW_IS_REFERENCED: - case DB_NO_REFERENCED_ROW: - case DB_CANNOT_ADD_CONSTRAINT: - case DB_TOO_MANY_CONCURRENT_TRXS: - case DB_OUT_OF_FILE_SPACE: - if (savept) { - /* Roll back the latest, possibly incomplete - insertion or update */ - - trx_general_rollback_for_mysql(trx, savept); - } - /* MySQL will roll back the latest SQL statement */ - break; - case DB_LOCK_WAIT: - srv_suspend_mysql_thread(thr); - - if (trx->error_state != DB_SUCCESS) { - que_thr_stop_for_mysql(thr); - - goto handle_new_error; - } - - *new_err = err; - - return(TRUE); - - case DB_DEADLOCK: - case DB_LOCK_TABLE_FULL: - /* Roll back the whole transaction; this resolution was added - to version 3.23.43 */ - - trx_general_rollback_for_mysql(trx, NULL); - break; - - case DB_MUST_GET_MORE_FILE_SPACE: - fputs("InnoDB: The database cannot continue" - " operation because of\n" - "InnoDB: lack of space. You must add" - " a new data file to\n" - "InnoDB: my.cnf and restart the database.\n", stderr); - - exit(1); - - case DB_CORRUPTION: - fputs("InnoDB: We detected index corruption" - " in an InnoDB type table.\n" - "InnoDB: You have to dump + drop + reimport" - " the table or, in\n" - "InnoDB: a case of widespread corruption," - " dump all InnoDB\n" - "InnoDB: tables and recreate the" - " whole InnoDB tablespace.\n" - "InnoDB: If the mysqld server crashes" - " after the startup or when\n" - "InnoDB: you dump the tables, look at\n" - "InnoDB: " REFMAN "forcing-recovery.html" - " for help.\n", stderr); - break; - default: - fprintf(stderr, "InnoDB: unknown error code %lu\n", - (ulong) err); - ut_error; - } - - if (trx->error_state != DB_SUCCESS) { - *new_err = trx->error_state; - } else { - *new_err = err; - } - - trx->error_state = DB_SUCCESS; - - return(FALSE); -} - -/********************************************************************//** -Create a prebuilt struct for a MySQL table handle. -@return own: a prebuilt struct */ -UNIV_INTERN -row_prebuilt_t* -row_create_prebuilt( -/*================*/ - dict_table_t* table) /*!< in: Innobase table handle */ -{ - row_prebuilt_t* prebuilt; - mem_heap_t* heap; - dict_index_t* clust_index; - dtuple_t* ref; - ulint ref_len; - - heap = mem_heap_create(sizeof *prebuilt + 128); - - prebuilt = mem_heap_zalloc(heap, sizeof *prebuilt); - - prebuilt->magic_n = ROW_PREBUILT_ALLOCATED; - prebuilt->magic_n2 = ROW_PREBUILT_ALLOCATED; - - prebuilt->table = table; - - prebuilt->sql_stat_start = TRUE; - prebuilt->heap = heap; - - prebuilt->pcur = btr_pcur_create_for_mysql(); - prebuilt->clust_pcur = btr_pcur_create_for_mysql(); - - prebuilt->select_lock_type = LOCK_NONE; - prebuilt->stored_select_lock_type = 99999999; - - prebuilt->search_tuple = dtuple_create( - heap, 2 * dict_table_get_n_cols(table)); - - clust_index = dict_table_get_first_index(table); - - /* Make sure that search_tuple is long enough for clustered index */ - ut_a(2 * dict_table_get_n_cols(table) >= clust_index->n_fields); - - ref_len = dict_index_get_n_unique(clust_index); - - ref = dtuple_create(heap, ref_len); - - dict_index_copy_types(ref, clust_index, ref_len); - - prebuilt->clust_ref = ref; - - prebuilt->autoinc_error = 0; - prebuilt->autoinc_offset = 0; - - /* Default to 1, we will set the actual value later in - ha_innobase::get_auto_increment(). */ - prebuilt->autoinc_increment = 1; - - prebuilt->autoinc_last_value = 0; - - return(prebuilt); -} - -/********************************************************************//** -Free a prebuilt struct for a MySQL table handle. */ -UNIV_INTERN -void -row_prebuilt_free( -/*==============*/ - row_prebuilt_t* prebuilt, /*!< in, own: prebuilt struct */ - ibool dict_locked) /*!< in: TRUE=data dictionary locked */ -{ - ulint i; - - if (UNIV_UNLIKELY - (prebuilt->magic_n != ROW_PREBUILT_ALLOCATED - || prebuilt->magic_n2 != ROW_PREBUILT_ALLOCATED)) { - - fprintf(stderr, - "InnoDB: Error: trying to free a corrupt\n" - "InnoDB: table handle. Magic n %lu," - " magic n2 %lu, table name ", - (ulong) prebuilt->magic_n, - (ulong) prebuilt->magic_n2); - ut_print_name(stderr, NULL, TRUE, prebuilt->table->name); - putc('\n', stderr); - - mem_analyze_corruption(prebuilt); - - ut_error; - } - - prebuilt->magic_n = ROW_PREBUILT_FREED; - prebuilt->magic_n2 = ROW_PREBUILT_FREED; - - btr_pcur_free_for_mysql(prebuilt->pcur); - btr_pcur_free_for_mysql(prebuilt->clust_pcur); - - if (prebuilt->mysql_template) { - mem_free(prebuilt->mysql_template); - } - - if (prebuilt->ins_graph) { - que_graph_free_recursive(prebuilt->ins_graph); - } - - if (prebuilt->sel_graph) { - que_graph_free_recursive(prebuilt->sel_graph); - } - - if (prebuilt->upd_graph) { - que_graph_free_recursive(prebuilt->upd_graph); - } - - if (prebuilt->blob_heap) { - mem_heap_free(prebuilt->blob_heap); - } - - if (prebuilt->old_vers_heap) { - mem_heap_free(prebuilt->old_vers_heap); - } - - for (i = 0; i < MYSQL_FETCH_CACHE_SIZE; i++) { - if (prebuilt->fetch_cache[i] != NULL) { - - if ((ROW_PREBUILT_FETCH_MAGIC_N != mach_read_from_4( - (prebuilt->fetch_cache[i]) - 4)) - || (ROW_PREBUILT_FETCH_MAGIC_N != mach_read_from_4( - (prebuilt->fetch_cache[i]) - + prebuilt->mysql_row_len))) { - fputs("InnoDB: Error: trying to free" - " a corrupt fetch buffer.\n", stderr); - - mem_analyze_corruption( - prebuilt->fetch_cache[i]); - - ut_error; - } - - mem_free((prebuilt->fetch_cache[i]) - 4); - } - } - - dict_table_decrement_handle_count(prebuilt->table, dict_locked); - - mem_heap_free(prebuilt->heap); -} - -/*********************************************************************//** -Updates the transaction pointers in query graphs stored in the prebuilt -struct. */ -UNIV_INTERN -void -row_update_prebuilt_trx( -/*====================*/ - row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct - in MySQL handle */ - trx_t* trx) /*!< in: transaction handle */ -{ - if (trx->magic_n != TRX_MAGIC_N) { - fprintf(stderr, - "InnoDB: Error: trying to use a corrupt\n" - "InnoDB: trx handle. Magic n %lu\n", - (ulong) trx->magic_n); - - mem_analyze_corruption(trx); - - ut_error; - } - - if (prebuilt->magic_n != ROW_PREBUILT_ALLOCATED) { - fprintf(stderr, - "InnoDB: Error: trying to use a corrupt\n" - "InnoDB: table handle. Magic n %lu, table name ", - (ulong) prebuilt->magic_n); - ut_print_name(stderr, trx, TRUE, prebuilt->table->name); - putc('\n', stderr); - - mem_analyze_corruption(prebuilt); - - ut_error; - } - - prebuilt->trx = trx; - - if (prebuilt->ins_graph) { - prebuilt->ins_graph->trx = trx; - } - - if (prebuilt->upd_graph) { - prebuilt->upd_graph->trx = trx; - } - - if (prebuilt->sel_graph) { - prebuilt->sel_graph->trx = trx; - } -} - -/*********************************************************************//** -Gets pointer to a prebuilt dtuple used in insertions. If the insert graph -has not yet been built in the prebuilt struct, then this function first -builds it. -@return prebuilt dtuple; the column type information is also set in it */ -static -dtuple_t* -row_get_prebuilt_insert_row( -/*========================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - ins_node_t* node; - dtuple_t* row; - dict_table_t* table = prebuilt->table; - - ut_ad(prebuilt && table && prebuilt->trx); - - if (prebuilt->ins_node == NULL) { - - /* Not called before for this handle: create an insert node - and query graph to the prebuilt struct */ - - node = ins_node_create(INS_DIRECT, table, prebuilt->heap); - - prebuilt->ins_node = node; - - if (prebuilt->ins_upd_rec_buff == NULL) { - prebuilt->ins_upd_rec_buff = mem_heap_alloc( - prebuilt->heap, prebuilt->mysql_row_len); - } - - row = dtuple_create(prebuilt->heap, - dict_table_get_n_cols(table)); - - dict_table_copy_types(row, table); - - ins_node_set_new_row(node, row); - - prebuilt->ins_graph = que_node_get_parent( - pars_complete_graph_for_exec(node, - prebuilt->trx, - prebuilt->heap)); - prebuilt->ins_graph->state = QUE_FORK_ACTIVE; - } - - return(prebuilt->ins_node->row); -} - -/*********************************************************************//** -Updates the table modification counter and calculates new estimates -for table and index statistics if necessary. */ -UNIV_INLINE -void -row_update_statistics_if_needed( -/*============================*/ - dict_table_t* table) /*!< in: table */ -{ - ulint counter; - - counter = table->stat_modified_counter; - - table->stat_modified_counter = counter + 1; - - /* Calculate new statistics if 1 / 16 of table has been modified - since the last time a statistics batch was run, or if - stat_modified_counter > 2 000 000 000 (to avoid wrap-around). - We calculate statistics at most every 16th round, since we may have - a counter table which is very small and updated very often. */ - - if (counter > 2000000000 - || ((ib_int64_t)counter > 16 + table->stat_n_rows / 16)) { - - dict_update_statistics(table); - } -} - -/*********************************************************************//** -Unlocks AUTO_INC type locks that were possibly reserved by a trx. This -function should be called at the the end of an SQL statement, by the -connection thread that owns the transaction (trx->mysql_thd). */ -UNIV_INTERN -void -row_unlock_table_autoinc_for_mysql( -/*===============================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - if (lock_trx_holds_autoinc_locks(trx)) { - mutex_enter(&kernel_mutex); - - lock_release_autoinc_locks(trx); - - mutex_exit(&kernel_mutex); - } -} - -/*********************************************************************//** -Sets an AUTO_INC type lock on the table mentioned in prebuilt. The -AUTO_INC lock gives exclusive access to the auto-inc counter of the -table. The lock is reserved only for the duration of an SQL statement. -It is not compatible with another AUTO_INC or exclusive lock on the -table. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_lock_table_autoinc_for_mysql( -/*=============================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in the MySQL - table handle */ -{ - trx_t* trx = prebuilt->trx; - ins_node_t* node = prebuilt->ins_node; - const dict_table_t* table = prebuilt->table; - que_thr_t* thr; - ulint err; - ibool was_lock_wait; - - ut_ad(trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - /* If we already hold an AUTOINC lock on the table then do nothing. - Note: We peek at the value of the current owner without acquiring - the kernel mutex. **/ - if (trx == table->autoinc_trx) { - - return(DB_SUCCESS); - } - - trx->op_info = "setting auto-inc lock"; - - if (node == NULL) { - row_get_prebuilt_insert_row(prebuilt); - node = prebuilt->ins_node; - } - - /* We use the insert query graph as the dummy graph needed - in the lock module call */ - - thr = que_fork_get_first_thr(prebuilt->ins_graph); - - que_thr_move_to_run_state_for_mysql(thr, trx); - -run_again: - thr->run_node = node; - thr->prev_node = node; - - /* It may be that the current session has not yet started - its transaction, or it has been committed: */ - - trx_start_if_not_started(trx); - - err = lock_table(0, prebuilt->table, LOCK_AUTO_INC, thr); - - trx->error_state = err; - - if (err != DB_SUCCESS) { - que_thr_stop_for_mysql(thr); - - was_lock_wait = row_mysql_handle_errors(&err, trx, thr, NULL); - - if (was_lock_wait) { - goto run_again; - } - - trx->op_info = ""; - - return((int) err); - } - - que_thr_stop_for_mysql_no_error(thr, trx); - - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -Sets a table lock on the table mentioned in prebuilt. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_lock_table_for_mysql( -/*=====================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in the MySQL - table handle */ - dict_table_t* table, /*!< in: table to lock, or NULL - if prebuilt->table should be - locked as - prebuilt->select_lock_type */ - ulint mode) /*!< in: lock mode of table - (ignored if table==NULL) */ -{ - trx_t* trx = prebuilt->trx; - que_thr_t* thr; - ulint err; - ibool was_lock_wait; - - ut_ad(trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - trx->op_info = "setting table lock"; - - if (prebuilt->sel_graph == NULL) { - /* Build a dummy select query graph */ - row_prebuild_sel_graph(prebuilt); - } - - /* We use the select query graph as the dummy graph needed - in the lock module call */ - - thr = que_fork_get_first_thr(prebuilt->sel_graph); - - que_thr_move_to_run_state_for_mysql(thr, trx); - -run_again: - thr->run_node = thr; - thr->prev_node = thr->common.parent; - - /* It may be that the current session has not yet started - its transaction, or it has been committed: */ - - trx_start_if_not_started(trx); - - if (table) { - err = lock_table(0, table, mode, thr); - } else { - err = lock_table(0, prebuilt->table, - prebuilt->select_lock_type, thr); - } - - trx->error_state = err; - - if (err != DB_SUCCESS) { - que_thr_stop_for_mysql(thr); - - was_lock_wait = row_mysql_handle_errors(&err, trx, thr, NULL); - - if (was_lock_wait) { - goto run_again; - } - - trx->op_info = ""; - - return((int) err); - } - - que_thr_stop_for_mysql_no_error(thr, trx); - - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -Does an insert for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_insert_for_mysql( -/*=================*/ - byte* mysql_rec, /*!< in: row in the MySQL format */ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - trx_savept_t savept; - que_thr_t* thr; - ulint err; - ibool was_lock_wait; - trx_t* trx = prebuilt->trx; - ins_node_t* node = prebuilt->ins_node; - - ut_ad(trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - if (prebuilt->table->ibd_file_missing) { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error:\n" - "InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir, or have you" - " used DISCARD TABLESPACE?\n" - "InnoDB: Look from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - prebuilt->table->name); - return(DB_ERROR); - } - - if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { - fprintf(stderr, - "InnoDB: Error: trying to free a corrupt\n" - "InnoDB: table handle. Magic n %lu, table name ", - (ulong) prebuilt->magic_n); - ut_print_name(stderr, trx, TRUE, prebuilt->table->name); - putc('\n', stderr); - - mem_analyze_corruption(prebuilt); - - ut_error; - } - - if (UNIV_UNLIKELY(srv_created_new_raw || srv_force_recovery)) { - fputs("InnoDB: A new raw disk partition was initialized or\n" - "InnoDB: innodb_force_recovery is on: we do not allow\n" - "InnoDB: database modifications by the user. Shut down\n" - "InnoDB: mysqld and edit my.cnf so that" - " newraw is replaced\n" - "InnoDB: with raw, and innodb_force_... is removed.\n", - stderr); - - return(DB_ERROR); - } - - trx->op_info = "inserting"; - - row_mysql_delay_if_needed(); - - trx_start_if_not_started(trx); - - if (node == NULL) { - row_get_prebuilt_insert_row(prebuilt); - node = prebuilt->ins_node; - } - - row_mysql_convert_row_to_innobase(node->row, prebuilt, mysql_rec); - - savept = trx_savept_take(trx); - - thr = que_fork_get_first_thr(prebuilt->ins_graph); - - if (prebuilt->sql_stat_start) { - node->state = INS_NODE_SET_IX_LOCK; - prebuilt->sql_stat_start = FALSE; - } else { - node->state = INS_NODE_ALLOC_ROW_ID; - } - - que_thr_move_to_run_state_for_mysql(thr, trx); - -run_again: - thr->run_node = node; - thr->prev_node = node; - - row_ins_step(thr); - - err = trx->error_state; - - if (err != DB_SUCCESS) { - que_thr_stop_for_mysql(thr); - - /* TODO: what is this? */ thr->lock_state= QUE_THR_LOCK_ROW; - - was_lock_wait = row_mysql_handle_errors(&err, trx, thr, - &savept); - thr->lock_state= QUE_THR_LOCK_NOLOCK; - - if (was_lock_wait) { - goto run_again; - } - - trx->op_info = ""; - - return((int) err); - } - - que_thr_stop_for_mysql_no_error(thr, trx); - - prebuilt->table->stat_n_rows++; - - srv_n_rows_inserted++; - - if (prebuilt->table->stat_n_rows == 0) { - /* Avoid wrap-over */ - prebuilt->table->stat_n_rows--; - } - - row_update_statistics_if_needed(prebuilt->table); - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -Builds a dummy query graph used in selects. */ -UNIV_INTERN -void -row_prebuild_sel_graph( -/*===================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - sel_node_t* node; - - ut_ad(prebuilt && prebuilt->trx); - - if (prebuilt->sel_graph == NULL) { - - node = sel_node_create(prebuilt->heap); - - prebuilt->sel_graph = que_node_get_parent( - pars_complete_graph_for_exec(node, - prebuilt->trx, - prebuilt->heap)); - - prebuilt->sel_graph->state = QUE_FORK_ACTIVE; - } -} - -/*********************************************************************//** -Creates an query graph node of 'update' type to be used in the MySQL -interface. -@return own: update node */ -UNIV_INTERN -upd_node_t* -row_create_update_node_for_mysql( -/*=============================*/ - dict_table_t* table, /*!< in: table to update */ - mem_heap_t* heap) /*!< in: mem heap from which allocated */ -{ - upd_node_t* node; - - node = upd_node_create(heap); - - node->in_mysql_interface = TRUE; - node->is_delete = FALSE; - node->searched_update = FALSE; - node->select = NULL; - node->pcur = btr_pcur_create_for_mysql(); - node->table = table; - - node->update = upd_create(dict_table_get_n_cols(table), heap); - - node->update_n_fields = dict_table_get_n_cols(table); - - UT_LIST_INIT(node->columns); - node->has_clust_rec_x_lock = TRUE; - node->cmpl_info = 0; - - node->table_sym = NULL; - node->col_assign_list = NULL; - - return(node); -} - -/*********************************************************************//** -Gets pointer to a prebuilt update vector used in updates. If the update -graph has not yet been built in the prebuilt struct, then this function -first builds it. -@return prebuilt update vector */ -UNIV_INTERN -upd_t* -row_get_prebuilt_update_vector( -/*===========================*/ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - dict_table_t* table = prebuilt->table; - upd_node_t* node; - - ut_ad(prebuilt && table && prebuilt->trx); - - if (prebuilt->upd_node == NULL) { - - /* Not called before for this handle: create an update node - and query graph to the prebuilt struct */ - - node = row_create_update_node_for_mysql(table, prebuilt->heap); - - prebuilt->upd_node = node; - - prebuilt->upd_graph = que_node_get_parent( - pars_complete_graph_for_exec(node, - prebuilt->trx, - prebuilt->heap)); - prebuilt->upd_graph->state = QUE_FORK_ACTIVE; - } - - return(prebuilt->upd_node->update); -} - -/*********************************************************************//** -Does an update or delete of a row for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_update_for_mysql( -/*=================*/ - byte* mysql_rec, /*!< in: the row to be updated, in - the MySQL format */ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct in MySQL - handle */ -{ - trx_savept_t savept; - ulint err; - que_thr_t* thr; - ibool was_lock_wait; - dict_index_t* clust_index; - /* ulint ref_len; */ - upd_node_t* node; - dict_table_t* table = prebuilt->table; - trx_t* trx = prebuilt->trx; - - ut_ad(prebuilt && trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - UT_NOT_USED(mysql_rec); - - if (prebuilt->table->ibd_file_missing) { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error:\n" - "InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir, or have you" - " used DISCARD TABLESPACE?\n" - "InnoDB: Look from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - prebuilt->table->name); - return(DB_ERROR); - } - - if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { - fprintf(stderr, - "InnoDB: Error: trying to free a corrupt\n" - "InnoDB: table handle. Magic n %lu, table name ", - (ulong) prebuilt->magic_n); - ut_print_name(stderr, trx, TRUE, prebuilt->table->name); - putc('\n', stderr); - - mem_analyze_corruption(prebuilt); - - ut_error; - } - - if (UNIV_UNLIKELY(srv_created_new_raw || srv_force_recovery)) { - fputs("InnoDB: A new raw disk partition was initialized or\n" - "InnoDB: innodb_force_recovery is on: we do not allow\n" - "InnoDB: database modifications by the user. Shut down\n" - "InnoDB: mysqld and edit my.cnf so that newraw" - " is replaced\n" - "InnoDB: with raw, and innodb_force_... is removed.\n", - stderr); - - return(DB_ERROR); - } - - trx->op_info = "updating or deleting"; - - row_mysql_delay_if_needed(); - - trx_start_if_not_started(trx); - - node = prebuilt->upd_node; - - clust_index = dict_table_get_first_index(table); - - if (prebuilt->pcur->btr_cur.index == clust_index) { - btr_pcur_copy_stored_position(node->pcur, prebuilt->pcur); - } else { - btr_pcur_copy_stored_position(node->pcur, - prebuilt->clust_pcur); - } - - ut_a(node->pcur->rel_pos == BTR_PCUR_ON); - - /* MySQL seems to call rnd_pos before updating each row it - has cached: we can get the correct cursor position from - prebuilt->pcur; NOTE that we cannot build the row reference - from mysql_rec if the clustered index was automatically - generated for the table: MySQL does not know anything about - the row id used as the clustered index key */ - - savept = trx_savept_take(trx); - - thr = que_fork_get_first_thr(prebuilt->upd_graph); - - node->state = UPD_NODE_UPDATE_CLUSTERED; - - ut_ad(!prebuilt->sql_stat_start); - - que_thr_move_to_run_state_for_mysql(thr, trx); - -run_again: - thr->run_node = node; - thr->prev_node = node; - - row_upd_step(thr); - - err = trx->error_state; - - if (err != DB_SUCCESS) { - que_thr_stop_for_mysql(thr); - - if (err == DB_RECORD_NOT_FOUND) { - trx->error_state = DB_SUCCESS; - trx->op_info = ""; - - return((int) err); - } - - thr->lock_state= QUE_THR_LOCK_ROW; - was_lock_wait = row_mysql_handle_errors(&err, trx, thr, - &savept); - thr->lock_state= QUE_THR_LOCK_NOLOCK; - - if (was_lock_wait) { - goto run_again; - } - - trx->op_info = ""; - - return((int) err); - } - - que_thr_stop_for_mysql_no_error(thr, trx); - - if (node->is_delete) { - if (prebuilt->table->stat_n_rows > 0) { - prebuilt->table->stat_n_rows--; - } - - srv_n_rows_deleted++; - } else { - srv_n_rows_updated++; - } - - row_update_statistics_if_needed(prebuilt->table); - - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -This can only be used when srv_locks_unsafe_for_binlog is TRUE or -this session is using a READ COMMITTED isolation level. Before -calling this function we must use trx_reset_new_rec_lock_info() and -trx_register_new_rec_lock() to store the information which new record locks -really were set. This function removes a newly set lock under prebuilt->pcur, -and also under prebuilt->clust_pcur. Currently, this is only used and tested -in the case of an UPDATE or a DELETE statement, where the row lock is of the -LOCK_X type. -Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_unlock_for_mysql( -/*=================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL - handle */ - ibool has_latches_on_recs)/*!< TRUE if called so that we have - the latches on the records under pcur - and clust_pcur, and we do not need to - reposition the cursors. */ -{ - btr_pcur_t* pcur = prebuilt->pcur; - btr_pcur_t* clust_pcur = prebuilt->clust_pcur; - trx_t* trx = prebuilt->trx; - - ut_ad(prebuilt && trx); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - if (UNIV_UNLIKELY - (!srv_locks_unsafe_for_binlog - && trx->isolation_level != TRX_ISO_READ_COMMITTED)) { - - fprintf(stderr, - "InnoDB: Error: calling row_unlock_for_mysql though\n" - "InnoDB: innodb_locks_unsafe_for_binlog is FALSE and\n" - "InnoDB: this session is not using" - " READ COMMITTED isolation level.\n"); - - return(DB_SUCCESS); - } - - trx->op_info = "unlock_row"; - - if (prebuilt->new_rec_locks >= 1) { - - const rec_t* rec; - dict_index_t* index; - trx_id_t rec_trx_id; - mtr_t mtr; - - mtr_start(&mtr); - - /* Restore the cursor position and find the record */ - - if (!has_latches_on_recs) { - btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, &mtr); - } - - rec = btr_pcur_get_rec(pcur); - index = btr_pcur_get_btr_cur(pcur)->index; - - if (prebuilt->new_rec_locks >= 2) { - /* Restore the cursor position and find the record - in the clustered index. */ - - if (!has_latches_on_recs) { - btr_pcur_restore_position(BTR_SEARCH_LEAF, - clust_pcur, &mtr); - } - - rec = btr_pcur_get_rec(clust_pcur); - index = btr_pcur_get_btr_cur(clust_pcur)->index; - } - - if (UNIV_UNLIKELY(!dict_index_is_clust(index))) { - /* This is not a clustered index record. We - do not know how to unlock the record. */ - goto no_unlock; - } - - /* If the record has been modified by this - transaction, do not unlock it. */ - - if (index->trx_id_offset) { - rec_trx_id = trx_read_trx_id(rec - + index->trx_id_offset); - } else { - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - - rec_offs_init(offsets_); - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - rec_trx_id = row_get_rec_trx_id(rec, index, offsets); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - if (ut_dulint_cmp(rec_trx_id, trx->id) != 0) { - /* We did not update the record: unlock it */ - - rec = btr_pcur_get_rec(pcur); - index = btr_pcur_get_btr_cur(pcur)->index; - - lock_rec_unlock(trx, btr_pcur_get_block(pcur), - rec, prebuilt->select_lock_type); - - if (prebuilt->new_rec_locks >= 2) { - rec = btr_pcur_get_rec(clust_pcur); - index = btr_pcur_get_btr_cur(clust_pcur)->index; - - lock_rec_unlock(trx, - btr_pcur_get_block(clust_pcur), - rec, - prebuilt->select_lock_type); - } - } -no_unlock: - mtr_commit(&mtr); - } - - trx->op_info = ""; - - return(DB_SUCCESS); -} - -/**********************************************************************//** -Does a cascaded delete or set null in a foreign key operation. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_update_cascade_for_mysql( -/*=========================*/ - que_thr_t* thr, /*!< in: query thread */ - upd_node_t* node, /*!< in: update node used in the cascade - or set null operation */ - dict_table_t* table) /*!< in: table where we do the operation */ -{ - ulint err; - trx_t* trx; - - trx = thr_get_trx(thr); -run_again: - thr->run_node = node; - thr->prev_node = node; - - row_upd_step(thr); - - err = trx->error_state; - - /* Note that the cascade node is a subnode of another InnoDB - query graph node. We do a normal lock wait in this node, but - all errors are handled by the parent node. */ - - if (err == DB_LOCK_WAIT) { - /* Handle lock wait here */ - - que_thr_stop_for_mysql(thr); - - srv_suspend_mysql_thread(thr); - - /* Note that a lock wait may also end in a lock wait timeout, - or this transaction is picked as a victim in selective - deadlock resolution */ - - if (trx->error_state != DB_SUCCESS) { - - return(trx->error_state); - } - - /* Retry operation after a normal lock wait */ - - goto run_again; - } - - if (err != DB_SUCCESS) { - - return(err); - } - - if (node->is_delete) { - if (table->stat_n_rows > 0) { - table->stat_n_rows--; - } - - srv_n_rows_deleted++; - } else { - srv_n_rows_updated++; - } - - row_update_statistics_if_needed(table); - - return(err); -} - -/*********************************************************************//** -Checks if a table is such that we automatically created a clustered -index on it (on row id). -@return TRUE if the clustered index was generated automatically */ -UNIV_INTERN -ibool -row_table_got_default_clust_index( -/*==============================*/ - const dict_table_t* table) /*!< in: table */ -{ - const dict_index_t* clust_index; - - clust_index = dict_table_get_first_index(table); - - return(dict_index_get_nth_col(clust_index, 0)->mtype == DATA_SYS); -} - -/*********************************************************************//** -Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table -@return the key number used inside MySQL */ -UNIV_INTERN -ulint -row_get_mysql_key_number_for_index( -/*===============================*/ - const dict_index_t* index) /*!< in: index */ -{ - const dict_index_t* ind; - ulint i; - - ut_a(index); - - i = 0; - ind = dict_table_get_first_index(index->table); - - while (index != ind) { - ind = dict_table_get_next_index(ind); - i++; - } - - if (row_table_got_default_clust_index(index->table)) { - ut_a(i > 0); - i--; - } - - return(i); -} - -/*********************************************************************//** -Locks the data dictionary in shared mode from modifications, for performing -foreign key check, rollback, or other operation invisible to MySQL. */ -UNIV_INTERN -void -row_mysql_freeze_data_dictionary_func( -/*==================================*/ - trx_t* trx, /*!< in/out: transaction */ - const char* file, /*!< in: file name */ - ulint line) /*!< in: line number */ -{ - ut_a(trx->dict_operation_lock_mode == 0); - - rw_lock_s_lock_func(&dict_operation_lock, 0, file, line); - - trx->dict_operation_lock_mode = RW_S_LATCH; -} - -/*********************************************************************//** -Unlocks the data dictionary shared lock. */ -UNIV_INTERN -void -row_mysql_unfreeze_data_dictionary( -/*===============================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - ut_a(trx->dict_operation_lock_mode == RW_S_LATCH); - - rw_lock_s_unlock(&dict_operation_lock); - - trx->dict_operation_lock_mode = 0; -} - -/*********************************************************************//** -Locks the data dictionary exclusively for performing a table create or other -data dictionary modification operation. */ -UNIV_INTERN -void -row_mysql_lock_data_dictionary_func( -/*================================*/ - trx_t* trx, /*!< in/out: transaction */ - const char* file, /*!< in: file name */ - ulint line) /*!< in: line number */ -{ - ut_a(trx->dict_operation_lock_mode == 0 - || trx->dict_operation_lock_mode == RW_X_LATCH); - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks or lock waits can occur then in these operations */ - - rw_lock_x_lock_func(&dict_operation_lock, 0, file, line); - trx->dict_operation_lock_mode = RW_X_LATCH; - - mutex_enter(&(dict_sys->mutex)); -} - -/*********************************************************************//** -Unlocks the data dictionary exclusive lock. */ -UNIV_INTERN -void -row_mysql_unlock_data_dictionary( -/*=============================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - ut_a(trx->dict_operation_lock_mode == RW_X_LATCH); - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - mutex_exit(&(dict_sys->mutex)); - rw_lock_x_unlock(&dict_operation_lock); - - trx->dict_operation_lock_mode = 0; -} - -/*********************************************************************//** -Creates a table for MySQL. If the name of the table ends in -one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also start the printing of monitor -output by the master thread. If the table name ends in "innodb_mem_validate", -InnoDB will try to invoke mem_validate(). -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_create_table_for_mysql( -/*=======================*/ - dict_table_t* table, /*!< in, own: table definition - (will be freed) */ - trx_t* trx) /*!< in: transaction handle */ -{ - tab_node_t* node; - mem_heap_t* heap; - que_thr_t* thr; - const char* table_name; - ulint table_name_len; - ulint err; - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(trx->dict_operation_lock_mode == RW_X_LATCH); - - if (srv_created_new_raw) { - fputs("InnoDB: A new raw disk partition was initialized:\n" - "InnoDB: we do not allow database modifications" - " by the user.\n" - "InnoDB: Shut down mysqld and edit my.cnf so that newraw" - " is replaced with raw.\n", stderr); -err_exit: - dict_mem_table_free(table); - trx_commit_for_mysql(trx); - - return(DB_ERROR); - } - - trx->op_info = "creating table"; - - if (row_mysql_is_system_table(table->name)) { - - fprintf(stderr, - "InnoDB: Error: trying to create a MySQL system" - " table %s of type InnoDB.\n" - "InnoDB: MySQL system tables must be" - " of the MyISAM type!\n", - table->name); - goto err_exit; - } - - trx_start_if_not_started(trx); - - /* The table name is prefixed with the database name and a '/'. - Certain table names starting with 'innodb_' have their special - meaning regardless of the database name. Thus, we need to - ignore the database name prefix in the comparisons. */ - table_name = strchr(table->name, '/'); - ut_a(table_name); - table_name++; - table_name_len = strlen(table_name) + 1; - - if (STR_EQ(table_name, table_name_len, S_innodb_monitor)) { - - /* Table equals "innodb_monitor": - start monitor prints */ - - srv_print_innodb_monitor = TRUE; - - /* The lock timeout monitor thread also takes care - of InnoDB monitor prints */ - - os_event_set(srv_lock_timeout_thread_event); - } else if (STR_EQ(table_name, table_name_len, - S_innodb_lock_monitor)) { - - srv_print_innodb_monitor = TRUE; - srv_print_innodb_lock_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - } else if (STR_EQ(table_name, table_name_len, - S_innodb_tablespace_monitor)) { - - srv_print_innodb_tablespace_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - } else if (STR_EQ(table_name, table_name_len, - S_innodb_table_monitor)) { - - srv_print_innodb_table_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - } else if (STR_EQ(table_name, table_name_len, - S_innodb_mem_validate)) { - /* We define here a debugging feature intended for - developers */ - - fputs("Validating InnoDB memory:\n" - "to use this feature you must compile InnoDB with\n" - "UNIV_MEM_DEBUG defined in univ.i and" - " the server must be\n" - "quiet because allocation from a mem heap" - " is not protected\n" - "by any semaphore.\n", stderr); -#ifdef UNIV_MEM_DEBUG - ut_a(mem_validate()); - fputs("Memory validated\n", stderr); -#else /* UNIV_MEM_DEBUG */ - fputs("Memory NOT validated (recompile with UNIV_MEM_DEBUG)\n", - stderr); -#endif /* UNIV_MEM_DEBUG */ - } - - heap = mem_heap_create(512); - - trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - - node = tab_create_graph_create(table, heap); - - thr = pars_complete_graph_for_exec(node, trx, heap); - - ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); - que_run_threads(thr); - - err = trx->error_state; - - if (UNIV_UNLIKELY(err != DB_SUCCESS)) { - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - /* TO DO: free table? The code below will dereference - table->name, though. */ - } - - switch (err) { - case DB_OUT_OF_FILE_SPACE: - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: cannot create table ", - stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs(" because tablespace full\n", stderr); - - if (dict_table_get_low(table->name)) { - - row_drop_table_for_mysql(table->name, trx, FALSE); - trx_commit_for_mysql(trx); - } - break; - - case DB_DUPLICATE_KEY: - /* We may also get err == DB_ERROR if the .ibd file for the - table already exists */ - - break; - } - - que_graph_free((que_t*) que_node_get_parent(thr)); - - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -Does an index creation operation for MySQL. TODO: currently failure -to create an index results in dropping the whole table! This is no problem -currently as all indexes must be created at the same time as the table. -@return error number or DB_SUCCESS */ -UNIV_INTERN -int -row_create_index_for_mysql( -/*=======================*/ - dict_index_t* index, /*!< in, own: index definition - (will be freed) */ - trx_t* trx, /*!< in: transaction handle */ - const ulint* field_lengths) /*!< in: if not NULL, must contain - dict_index_get_n_fields(index) - actual field lengths for the - index columns, which are - then checked for not being too - large. */ -{ - ind_node_t* node; - mem_heap_t* heap; - que_thr_t* thr; - ulint err; - ulint i; - ulint len; - char* table_name; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(mutex_own(&(dict_sys->mutex))); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - trx->op_info = "creating index"; - - /* Copy the table name because we may want to drop the - table later, after the index object is freed (inside - que_run_threads()) and thus index->table_name is not available. */ - table_name = mem_strdup(index->table_name); - - trx_start_if_not_started(trx); - - /* Check that the same column does not appear twice in the index. - Starting from 4.0.14, InnoDB should be able to cope with that, but - safer not to allow them. */ - - for (i = 0; i < dict_index_get_n_fields(index); i++) { - ulint j; - - for (j = 0; j < i; j++) { - if (0 == ut_strcmp( - dict_index_get_nth_field(index, j)->name, - dict_index_get_nth_field(index, i)->name)) { - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: column ", stderr); - ut_print_name(stderr, trx, FALSE, - dict_index_get_nth_field( - index, i)->name); - fputs(" appears twice in ", stderr); - dict_index_name_print(stderr, trx, index); - fputs("\n" - "InnoDB: This is not allowed" - " in InnoDB.\n", stderr); - - err = DB_COL_APPEARS_TWICE_IN_INDEX; - - goto error_handling; - } - } - - /* Check also that prefix_len and actual length - < DICT_MAX_INDEX_COL_LEN */ - - len = dict_index_get_nth_field(index, i)->prefix_len; - - if (field_lengths) { - len = ut_max(len, field_lengths[i]); - } - - if (len >= DICT_MAX_INDEX_COL_LEN) { - err = DB_TOO_BIG_RECORD; - - goto error_handling; - } - } - - heap = mem_heap_create(512); - - trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - - /* Note that the space id where we store the index is inherited from - the table in dict_build_index_def_step() in dict0crea.c. */ - - node = ind_create_graph_create(index, heap); - - thr = pars_complete_graph_for_exec(node, trx, heap); - - ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); - que_run_threads(thr); - - err = trx->error_state; - - que_graph_free((que_t*) que_node_get_parent(thr)); - -error_handling: - if (err != DB_SUCCESS) { - /* We have special error handling here */ - - trx->error_state = DB_SUCCESS; - - trx_general_rollback_for_mysql(trx, NULL); - - row_drop_table_for_mysql(table_name, trx, FALSE); - - trx_commit_for_mysql(trx); - - trx->error_state = DB_SUCCESS; - } - - trx->op_info = ""; - - mem_free(table_name); - - return((int) err); -} - -/*********************************************************************//** -Scans a table create SQL string and adds to the data dictionary -the foreign key constraints declared in the string. This function -should be called after the indexes for a table have been created. -Each foreign key constraint must be accompanied with indexes in -both participating tables. The indexes are allowed to contain more -fields than mentioned in the constraint. Check also that foreign key -constraints which reference this table are ok. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_table_add_foreign_constraints( -/*==============================*/ - trx_t* trx, /*!< in: transaction */ - const char* sql_string, /*!< in: table create statement where - foreign keys are declared like: - FOREIGN KEY (a, b) REFERENCES table2(c, d), - table2 can be written also with the - database name before it: test.table2 */ - const char* name, /*!< in: table full name in the - normalized form - database_name/table_name */ - ibool reject_fks) /*!< in: if TRUE, fail with error - code DB_CANNOT_ADD_CONSTRAINT if - any foreign keys are found. */ -{ - ulint err; - - ut_ad(mutex_own(&(dict_sys->mutex))); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - ut_a(sql_string); - - trx->op_info = "adding foreign keys"; - - trx_start_if_not_started(trx); - - trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - - err = dict_create_foreign_constraints(trx, sql_string, name, - reject_fks); - if (err == DB_SUCCESS) { - /* Check that also referencing constraints are ok */ - err = dict_load_foreigns(name, TRUE); - } - - if (err != DB_SUCCESS) { - /* We have special error handling here */ - - trx->error_state = DB_SUCCESS; - - trx_general_rollback_for_mysql(trx, NULL); - - row_drop_table_for_mysql(name, trx, FALSE); - - trx_commit_for_mysql(trx); - - trx->error_state = DB_SUCCESS; - } - - return((int) err); -} - -/*********************************************************************//** -Drops a table for MySQL as a background operation. MySQL relies on Unix -in ALTER TABLE to the fact that the table handler does not remove the -table before all handles to it has been removed. Furhermore, the MySQL's -call to drop table must be non-blocking. Therefore we do the drop table -as a background operation, which is taken care of by the master thread -in srv0srv.c. -@return error code or DB_SUCCESS */ -static -int -row_drop_table_for_mysql_in_background( -/*===================================*/ - const char* name) /*!< in: table name */ -{ - ulint error; - trx_t* trx; - - trx = trx_allocate_for_background(); - - /* If the original transaction was dropping a table referenced by - foreign keys, we must set the following to be able to drop the - table: */ - - trx->check_foreigns = FALSE; - - /* fputs("InnoDB: Error: Dropping table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs(" in background drop list\n", stderr); */ - - /* Try to drop the table in InnoDB */ - - error = row_drop_table_for_mysql(name, trx, FALSE); - - /* Flush the log to reduce probability that the .frm files and - the InnoDB data dictionary get out-of-sync if the user runs - with innodb_flush_log_at_trx_commit = 0 */ - - log_buffer_flush_to_disk(); - - trx_commit_for_mysql(trx); - - trx_free_for_background(trx); - - return((int) error); -} - -/*********************************************************************//** -The master thread in srv0srv.c calls this regularly to drop tables which -we must drop in background after queries to them have ended. Such lazy -dropping of tables is needed in ALTER TABLE on Unix. -@return how many tables dropped + remaining tables in list */ -UNIV_INTERN -ulint -row_drop_tables_for_mysql_in_background(void) -/*=========================================*/ -{ - row_mysql_drop_t* drop; - dict_table_t* table; - ulint n_tables; - ulint n_tables_dropped = 0; -loop: - mutex_enter(&kernel_mutex); - - if (!row_mysql_drop_list_inited) { - - UT_LIST_INIT(row_mysql_drop_list); - row_mysql_drop_list_inited = TRUE; - } - - drop = UT_LIST_GET_FIRST(row_mysql_drop_list); - - n_tables = UT_LIST_GET_LEN(row_mysql_drop_list); - - mutex_exit(&kernel_mutex); - - if (drop == NULL) { - /* All tables dropped */ - - return(n_tables + n_tables_dropped); - } - - mutex_enter(&(dict_sys->mutex)); - table = dict_table_get_low(drop->table_name); - mutex_exit(&(dict_sys->mutex)); - - if (table == NULL) { - /* If for some reason the table has already been dropped - through some other mechanism, do not try to drop it */ - - goto already_dropped; - } - - if (DB_SUCCESS != row_drop_table_for_mysql_in_background( - drop->table_name)) { - /* If the DROP fails for some table, we return, and let the - main thread retry later */ - - return(n_tables + n_tables_dropped); - } - - n_tables_dropped++; - -already_dropped: - mutex_enter(&kernel_mutex); - - UT_LIST_REMOVE(row_mysql_drop_list, row_mysql_drop_list, drop); - - ut_print_timestamp(stderr); - fputs(" InnoDB: Dropped table ", stderr); - ut_print_name(stderr, NULL, TRUE, drop->table_name); - fputs(" in background drop queue.\n", stderr); - - mem_free(drop->table_name); - - mem_free(drop); - - mutex_exit(&kernel_mutex); - - goto loop; -} - -/*********************************************************************//** -Get the background drop list length. NOTE: the caller must own the kernel -mutex! -@return how many tables in list */ -UNIV_INTERN -ulint -row_get_background_drop_list_len_low(void) -/*======================================*/ -{ - ut_ad(mutex_own(&kernel_mutex)); - - if (!row_mysql_drop_list_inited) { - - UT_LIST_INIT(row_mysql_drop_list); - row_mysql_drop_list_inited = TRUE; - } - - return(UT_LIST_GET_LEN(row_mysql_drop_list)); -} - -/*********************************************************************//** -If a table is not yet in the drop list, adds the table to the list of tables -which the master thread drops in background. We need this on Unix because in -ALTER TABLE MySQL may call drop table even if the table has running queries on -it. Also, if there are running foreign key checks on the table, we drop the -table lazily. -@return TRUE if the table was not yet in the drop list, and was added there */ -static -ibool -row_add_table_to_background_drop_list( -/*==================================*/ - const char* name) /*!< in: table name */ -{ - row_mysql_drop_t* drop; - - mutex_enter(&kernel_mutex); - - if (!row_mysql_drop_list_inited) { - - UT_LIST_INIT(row_mysql_drop_list); - row_mysql_drop_list_inited = TRUE; - } - - /* Look if the table already is in the drop list */ - drop = UT_LIST_GET_FIRST(row_mysql_drop_list); - - while (drop != NULL) { - if (strcmp(drop->table_name, name) == 0) { - /* Already in the list */ - - mutex_exit(&kernel_mutex); - - return(FALSE); - } - - drop = UT_LIST_GET_NEXT(row_mysql_drop_list, drop); - } - - drop = mem_alloc(sizeof(row_mysql_drop_t)); - - drop->table_name = mem_strdup(name); - - UT_LIST_ADD_LAST(row_mysql_drop_list, row_mysql_drop_list, drop); - - /* fputs("InnoDB: Adding table ", stderr); - ut_print_name(stderr, trx, TRUE, drop->table_name); - fputs(" to background drop list\n", stderr); */ - - mutex_exit(&kernel_mutex); - - return(TRUE); -} - -/*********************************************************************//** -Discards the tablespace of a table which stored in an .ibd file. Discarding -means that this function deletes the .ibd file and assigns a new table id for -the table. Also the flag table->ibd_file_missing is set TRUE. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_discard_tablespace_for_mysql( -/*=============================*/ - const char* name, /*!< in: table name */ - trx_t* trx) /*!< in: transaction handle */ -{ - dict_foreign_t* foreign; - dulint new_id; - dict_table_t* table; - ibool success; - ulint err; - pars_info_t* info = NULL; - - /* How do we prevent crashes caused by ongoing operations on - the table? Old operations could try to access non-existent - pages. - - 1) SQL queries, INSERT, SELECT, ...: we must get an exclusive - MySQL table lock on the table before we can do DISCARD - TABLESPACE. Then there are no running queries on the table. - - 2) Purge and rollback: we assign a new table id for the - table. Since purge and rollback look for the table based on - the table id, they see the table as 'dropped' and discard - their operations. - - 3) Insert buffer: we remove all entries for the tablespace in - the insert buffer tree; as long as the tablespace mem object - does not exist, ongoing insert buffer page merges are - discarded in buf0rea.c. If we recreate the tablespace mem - object with IMPORT TABLESPACE later, then the tablespace will - have the same id, but the tablespace_version field in the mem - object is different, and ongoing old insert buffer page merges - get discarded. - - 4) Linear readahead and random readahead: we use the same - method as in 3) to discard ongoing operations. - - 5) FOREIGN KEY operations: if - table->n_foreign_key_checks_running > 0, we do not allow the - discard. We also reserve the data dictionary latch. */ - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - trx->op_info = "discarding tablespace"; - trx_start_if_not_started(trx); - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - row_mysql_lock_data_dictionary(trx); - - table = dict_table_get_low(name); - - if (!table) { - err = DB_TABLE_NOT_FOUND; - - goto funct_exit; - } - - if (table->space == 0) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: is in the system tablespace 0" - " which cannot be discarded\n", stderr); - err = DB_ERROR; - - goto funct_exit; - } - - if (table->n_foreign_key_checks_running > 0) { - - ut_print_timestamp(stderr); - fputs(" InnoDB: You are trying to DISCARD table ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs("\n" - "InnoDB: though there is a foreign key check" - " running on it.\n" - "InnoDB: Cannot discard the table.\n", - stderr); - - err = DB_ERROR; - - goto funct_exit; - } - - /* Check if the table is referenced by foreign key constraints from - some other table (not the table itself) */ - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign && foreign->foreign_table == table) { - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - if (foreign && trx->check_foreigns) { - - FILE* ef = dict_foreign_err_file; - - /* We only allow discarding a referenced table if - FOREIGN_KEY_CHECKS is set to 0 */ - - err = DB_CANNOT_DROP_CONSTRAINT; - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - - fputs(" Cannot DISCARD table ", ef); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "because it is referenced by ", ef); - ut_print_name(stderr, trx, TRUE, foreign->foreign_table_name); - putc('\n', ef); - mutex_exit(&dict_foreign_err_mutex); - - goto funct_exit; - } - - new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); - - /* Remove all locks except the table-level S and X locks. */ - lock_remove_all_on_table(table, FALSE); - - info = pars_info_create(); - - pars_info_add_str_literal(info, "table_name", name); - pars_info_add_dulint_literal(info, "new_id", new_id); - - err = que_eval_sql(info, - "PROCEDURE DISCARD_TABLESPACE_PROC () IS\n" - "old_id CHAR;\n" - "BEGIN\n" - "SELECT ID INTO old_id\n" - "FROM SYS_TABLES\n" - "WHERE NAME = :table_name\n" - "LOCK IN SHARE MODE;\n" - "IF (SQL % NOTFOUND) THEN\n" - " COMMIT WORK;\n" - " RETURN;\n" - "END IF;\n" - "UPDATE SYS_TABLES SET ID = :new_id\n" - " WHERE ID = old_id;\n" - "UPDATE SYS_COLUMNS SET TABLE_ID = :new_id\n" - " WHERE TABLE_ID = old_id;\n" - "UPDATE SYS_INDEXES SET TABLE_ID = :new_id\n" - " WHERE TABLE_ID = old_id;\n" - "COMMIT WORK;\n" - "END;\n" - , FALSE, trx); - - if (err != DB_SUCCESS) { - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - } else { - dict_table_change_id_in_cache(table, new_id); - - success = fil_discard_tablespace(table->space); - - if (!success) { - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - - err = DB_ERROR; - } else { - /* Set the flag which tells that now it is legal to - IMPORT a tablespace for this table */ - table->tablespace_discarded = TRUE; - table->ibd_file_missing = TRUE; - } - } - -funct_exit: - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - - trx->op_info = ""; - - return((int) err); -} - -/*****************************************************************//** -Imports a tablespace. The space id in the .ibd file must match the space id -of the table in the data dictionary. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_import_tablespace_for_mysql( -/*============================*/ - const char* name, /*!< in: table name */ - trx_t* trx) /*!< in: transaction handle */ -{ - dict_table_t* table; - ibool success; - ib_uint64_t current_lsn; - ulint err = DB_SUCCESS; - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - trx_start_if_not_started(trx); - - trx->op_info = "importing tablespace"; - - current_lsn = log_get_lsn(); - - /* It is possible, though very improbable, that the lsn's in the - tablespace to be imported have risen above the current system lsn, if - a lengthy purge, ibuf merge, or rollback was performed on a backup - taken with ibbackup. If that is the case, reset page lsn's in the - file. We assume that mysqld was shut down after it performed these - cleanup operations on the .ibd file, so that it stamped the latest lsn - to the FIL_PAGE_FILE_FLUSH_LSN in the first page of the .ibd file. - - TODO: reset also the trx id's in clustered index records and write - a new space id to each data page. That would allow us to import clean - .ibd files from another MySQL installation. */ - - success = fil_reset_too_high_lsns(name, current_lsn); - - if (!success) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: cannot reset lsn's in table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", - stderr); - - err = DB_ERROR; - - row_mysql_lock_data_dictionary(trx); - - goto funct_exit; - } - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - row_mysql_lock_data_dictionary(trx); - - table = dict_table_get_low(name); - - if (!table) { - ut_print_timestamp(stderr); - fputs(" InnoDB: table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: does not exist in the InnoDB data dictionary\n" - "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", - stderr); - - err = DB_TABLE_NOT_FOUND; - - goto funct_exit; - } - - if (table->space == 0) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: is in the system tablespace 0" - " which cannot be imported\n", stderr); - err = DB_ERROR; - - goto funct_exit; - } - - if (!table->tablespace_discarded) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: you are trying to" - " IMPORT a tablespace\n" - "InnoDB: ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs(", though you have not called DISCARD on it yet\n" - "InnoDB: during the lifetime of the mysqld process!\n", - stderr); - - err = DB_ERROR; - - goto funct_exit; - } - - /* Play safe and remove all insert buffer entries, though we should - have removed them already when DISCARD TABLESPACE was called */ - - ibuf_delete_for_discarded_space(table->space); - - success = fil_open_single_table_tablespace( - TRUE, table->space, - table->flags == DICT_TF_COMPACT ? 0 : table->flags, - table->name); - if (success) { - table->ibd_file_missing = FALSE; - table->tablespace_discarded = FALSE; - } else { - if (table->ibd_file_missing) { - ut_print_timestamp(stderr); - fputs(" InnoDB: cannot find or open in the" - " database directory the .ibd file of\n" - "InnoDB: table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: in ALTER TABLE ... IMPORT TABLESPACE\n", - stderr); - } - - err = DB_ERROR; - } - -funct_exit: - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - - trx->op_info = ""; - - return((int) err); -} - -/*********************************************************************//** -Truncates a table for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_truncate_table_for_mysql( -/*=========================*/ - dict_table_t* table, /*!< in: table handle */ - trx_t* trx) /*!< in: transaction handle */ -{ - dict_foreign_t* foreign; - ulint err; - mem_heap_t* heap; - byte* buf; - dtuple_t* tuple; - dfield_t* dfield; - dict_index_t* sys_index; - btr_pcur_t pcur; - mtr_t mtr; - dulint new_id; - ulint recreate_space = 0; - pars_info_t* info = NULL; - - /* How do we prevent crashes caused by ongoing operations on - the table? Old operations could try to access non-existent - pages. - - 1) SQL queries, INSERT, SELECT, ...: we must get an exclusive - MySQL table lock on the table before we can do TRUNCATE - TABLE. Then there are no running queries on the table. This is - guaranteed, because in ha_innobase::store_lock(), we do not - weaken the TL_WRITE lock requested by MySQL when executing - SQLCOM_TRUNCATE. - - 2) Purge and rollback: we assign a new table id for the - table. Since purge and rollback look for the table based on - the table id, they see the table as 'dropped' and discard - their operations. - - 3) Insert buffer: TRUNCATE TABLE is analogous to DROP TABLE, - so we do not have to remove insert buffer records, as the - insert buffer works at a low level. If a freed page is later - reallocated, the allocator will remove the ibuf entries for - it. - - When we truncate *.ibd files by recreating them (analogous to - DISCARD TABLESPACE), we remove all entries for the table in the - insert buffer tree. This is not strictly necessary, because - in 6) we will assign a new tablespace identifier, but we can - free up some space in the system tablespace. - - 4) Linear readahead and random readahead: we use the same - method as in 3) to discard ongoing operations. (This is only - relevant for TRUNCATE TABLE by DISCARD TABLESPACE.) - - 5) FOREIGN KEY operations: if - table->n_foreign_key_checks_running > 0, we do not allow the - TRUNCATE. We also reserve the data dictionary latch. - - 6) Crash recovery: To prevent the application of pre-truncation - redo log records on the truncated tablespace, we will assign - a new tablespace identifier to the truncated tablespace. */ - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - ut_ad(table); - - if (srv_created_new_raw) { - fputs("InnoDB: A new raw disk partition was initialized:\n" - "InnoDB: we do not allow database modifications" - " by the user.\n" - "InnoDB: Shut down mysqld and edit my.cnf so that newraw" - " is replaced with raw.\n", stderr); - - return(DB_ERROR); - } - - trx->op_info = "truncating table"; - - trx_start_if_not_started(trx); - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - ut_a(trx->dict_operation_lock_mode == 0); - /* Prevent foreign key checks etc. while we are truncating the - table */ - - row_mysql_lock_data_dictionary(trx); - - ut_ad(mutex_own(&(dict_sys->mutex))); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - /* Check if the table is referenced by foreign key constraints from - some other table (not the table itself) */ - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign && foreign->foreign_table == table) { - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - if (foreign && trx->check_foreigns) { - FILE* ef = dict_foreign_err_file; - - /* We only allow truncating a referenced table if - FOREIGN_KEY_CHECKS is set to 0 */ - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - - fputs(" Cannot truncate table ", ef); - ut_print_name(ef, trx, TRUE, table->name); - fputs(" by DROP+CREATE\n" - "InnoDB: because it is referenced by ", ef); - ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); - putc('\n', ef); - mutex_exit(&dict_foreign_err_mutex); - - err = DB_ERROR; - goto funct_exit; - } - - /* TODO: could we replace the counter n_foreign_key_checks_running - with lock checks on the table? Acquire here an exclusive lock on the - table, and rewrite lock0lock.c and the lock wait in srv0srv.c so that - they can cope with the table having been truncated here? Foreign key - checks take an IS or IX lock on the table. */ - - if (table->n_foreign_key_checks_running > 0) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Cannot truncate table ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs(" by DROP+CREATE\n" - "InnoDB: because there is a foreign key check" - " running on it.\n", - stderr); - err = DB_ERROR; - - goto funct_exit; - } - - /* Remove all locks except the table-level S and X locks. */ - lock_remove_all_on_table(table, FALSE); - - trx->table_id = table->id; - - if (table->space && !table->dir_path_of_temp_table) { - /* Discard and create the single-table tablespace. */ - ulint space = table->space; - ulint flags = fil_space_get_flags(space); - - if (flags != ULINT_UNDEFINED - && fil_discard_tablespace(space)) { - - dict_index_t* index; - - space = 0; - - if (fil_create_new_single_table_tablespace( - &space, table->name, FALSE, flags, - FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: TRUNCATE TABLE %s failed to" - " create a new tablespace\n", - table->name); - table->ibd_file_missing = 1; - err = DB_ERROR; - goto funct_exit; - } - - recreate_space = space; - - /* Replace the space_id in the data dictionary cache. - The persisent data dictionary (SYS_TABLES.SPACE - and SYS_INDEXES.SPACE) are updated later in this - function. */ - table->space = space; - index = dict_table_get_first_index(table); - do { - index->space = space; - index = dict_table_get_next_index(index); - } while (index); - - mtr_start(&mtr); - fsp_header_init(space, - FIL_IBD_FILE_INITIAL_SIZE, &mtr); - mtr_commit(&mtr); - } - } - - /* scan SYS_INDEXES for all indexes of the table */ - heap = mem_heap_create(800); - - tuple = dtuple_create(heap, 1); - dfield = dtuple_get_nth_field(tuple, 0); - - buf = mem_heap_alloc(heap, 8); - mach_write_to_8(buf, table->id); - - dfield_set_data(dfield, buf, 8); - sys_index = dict_table_get_first_index(dict_sys->sys_indexes); - dict_index_copy_types(tuple, sys_index, 1); - - mtr_start(&mtr); - btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, - BTR_MODIFY_LEAF, &pcur, &mtr); - for (;;) { - rec_t* rec; - const byte* field; - ulint len; - ulint root_page_no; - - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* The end of SYS_INDEXES has been reached. */ - break; - } - - rec = btr_pcur_get_rec(&pcur); - - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - - if (memcmp(buf, field, len) != 0) { - /* End of indexes for the table (TABLE_ID mismatch). */ - break; - } - - if (rec_get_deleted_flag(rec, FALSE)) { - /* The index has been dropped. */ - goto next_rec; - } - - /* This call may commit and restart mtr - and reposition pcur. */ - root_page_no = dict_truncate_index_tree(table, recreate_space, - &pcur, &mtr); - - rec = btr_pcur_get_rec(&pcur); - - if (root_page_no != FIL_NULL) { - page_rec_write_index_page_no( - rec, DICT_SYS_INDEXES_PAGE_NO_FIELD, - root_page_no, &mtr); - /* We will need to commit and restart the - mini-transaction in order to avoid deadlocks. - The dict_truncate_index_tree() call has allocated - a page in this mini-transaction, and the rest of - this loop could latch another index page. */ - mtr_commit(&mtr); - mtr_start(&mtr); - btr_pcur_restore_position(BTR_MODIFY_LEAF, - &pcur, &mtr); - } - -next_rec: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - mem_heap_free(heap); - - new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); - - info = pars_info_create(); - - pars_info_add_int4_literal(info, "space", (lint) table->space); - pars_info_add_dulint_literal(info, "old_id", table->id); - pars_info_add_dulint_literal(info, "new_id", new_id); - - err = que_eval_sql(info, - "PROCEDURE RENUMBER_TABLESPACE_PROC () IS\n" - "BEGIN\n" - "UPDATE SYS_TABLES" - " SET ID = :new_id, SPACE = :space\n" - " WHERE ID = :old_id;\n" - "UPDATE SYS_COLUMNS SET TABLE_ID = :new_id\n" - " WHERE TABLE_ID = :old_id;\n" - "UPDATE SYS_INDEXES" - " SET TABLE_ID = :new_id, SPACE = :space\n" - " WHERE TABLE_ID = :old_id;\n" - "COMMIT WORK;\n" - "END;\n" - , FALSE, trx); - - if (err != DB_SUCCESS) { - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - ut_print_timestamp(stderr); - fputs(" InnoDB: Unable to assign a new identifier to table ", - stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs("\n" - "InnoDB: after truncating it. Background processes" - " may corrupt the table!\n", stderr); - err = DB_ERROR; - } else { - dict_table_change_id_in_cache(table, new_id); - } - - /* MySQL calls ha_innobase::reset_auto_increment() which does - the same thing. */ - dict_table_autoinc_lock(table); - dict_table_autoinc_initialize(table, 1); - dict_table_autoinc_unlock(table); - dict_update_statistics(table); - - trx_commit_for_mysql(trx); - -funct_exit: - - row_mysql_unlock_data_dictionary(trx); - - trx->op_info = ""; - - srv_wake_master_thread(); - - return((int) err); -} - -/*********************************************************************//** -Drops a table for MySQL. If the name of the dropped table ends in -one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor", -"innodb_table_monitor", then this will also stop the printing of monitor -output by the master thread. If the data dictionary was not already locked -by the transaction, the transaction will be committed. Otherwise, the -data dictionary will remain locked. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_drop_table_for_mysql( -/*=====================*/ - const char* name, /*!< in: table name */ - trx_t* trx, /*!< in: transaction handle */ - ibool drop_db)/*!< in: TRUE=dropping whole database */ -{ - dict_foreign_t* foreign; - dict_table_t* table; - ulint space_id; - ulint err; - const char* table_name; - ulint namelen; - ibool locked_dictionary = FALSE; - pars_info_t* info = NULL; - - ut_a(name != NULL); - - if (srv_created_new_raw) { - fputs("InnoDB: A new raw disk partition was initialized:\n" - "InnoDB: we do not allow database modifications" - " by the user.\n" - "InnoDB: Shut down mysqld and edit my.cnf so that newraw" - " is replaced with raw.\n", stderr); - - return(DB_ERROR); - } - - trx->op_info = "dropping table"; - - trx_start_if_not_started(trx); - - /* The table name is prefixed with the database name and a '/'. - Certain table names starting with 'innodb_' have their special - meaning regardless of the database name. Thus, we need to - ignore the database name prefix in the comparisons. */ - table_name = strchr(name, '/'); - ut_a(table_name); - table_name++; - namelen = strlen(table_name) + 1; - - if (namelen == sizeof S_innodb_monitor - && !memcmp(table_name, S_innodb_monitor, - sizeof S_innodb_monitor)) { - - /* Table name equals "innodb_monitor": - stop monitor prints */ - - srv_print_innodb_monitor = FALSE; - srv_print_innodb_lock_monitor = FALSE; - } else if (namelen == sizeof S_innodb_lock_monitor - && !memcmp(table_name, S_innodb_lock_monitor, - sizeof S_innodb_lock_monitor)) { - srv_print_innodb_monitor = FALSE; - srv_print_innodb_lock_monitor = FALSE; - } else if (namelen == sizeof S_innodb_tablespace_monitor - && !memcmp(table_name, S_innodb_tablespace_monitor, - sizeof S_innodb_tablespace_monitor)) { - - srv_print_innodb_tablespace_monitor = FALSE; - } else if (namelen == sizeof S_innodb_table_monitor - && !memcmp(table_name, S_innodb_table_monitor, - sizeof S_innodb_table_monitor)) { - - srv_print_innodb_table_monitor = FALSE; - } - - /* Serialize data dictionary operations with dictionary mutex: - no deadlocks can occur then in these operations */ - - if (trx->dict_operation_lock_mode != RW_X_LATCH) { - /* Prevent foreign key checks etc. while we are dropping the - table */ - - row_mysql_lock_data_dictionary(trx); - - locked_dictionary = TRUE; - } - - ut_ad(mutex_own(&(dict_sys->mutex))); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&dict_operation_lock, RW_LOCK_EX)); -#endif /* UNIV_SYNC_DEBUG */ - - table = dict_table_get_low(name); - - if (!table) { - err = DB_TABLE_NOT_FOUND; - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs(" does not exist in the InnoDB internal\n" - "InnoDB: data dictionary though MySQL is" - " trying to drop it.\n" - "InnoDB: Have you copied the .frm file" - " of the table to the\n" - "InnoDB: MySQL database directory" - " from another database?\n" - "InnoDB: You can look for further help from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n", - stderr); - goto funct_exit; - } - - /* Check if the table is referenced by foreign key constraints from - some other table (not the table itself) */ - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign && foreign->foreign_table == table) { -check_next_foreign: - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - if (foreign && trx->check_foreigns - && !(drop_db && dict_tables_have_same_db( - name, foreign->foreign_table_name))) { - FILE* ef = dict_foreign_err_file; - - /* We only allow dropping a referenced table if - FOREIGN_KEY_CHECKS is set to 0 */ - - err = DB_CANNOT_DROP_CONSTRAINT; - - mutex_enter(&dict_foreign_err_mutex); - rewind(ef); - ut_print_timestamp(ef); - - fputs(" Cannot drop table ", ef); - ut_print_name(ef, trx, TRUE, name); - fputs("\n" - "because it is referenced by ", ef); - ut_print_name(ef, trx, TRUE, foreign->foreign_table_name); - putc('\n', ef); - mutex_exit(&dict_foreign_err_mutex); - - goto funct_exit; - } - - if (foreign && trx->check_foreigns) { - goto check_next_foreign; - } - - if (table->n_mysql_handles_opened > 0) { - ibool added; - - added = row_add_table_to_background_drop_list(table->name); - - if (added) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: MySQL is" - " trying to drop table ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs("\n" - "InnoDB: though there are still" - " open handles to it.\n" - "InnoDB: Adding the table to the" - " background drop queue.\n", - stderr); - - /* We return DB_SUCCESS to MySQL though the drop will - happen lazily later */ - err = DB_SUCCESS; - } else { - /* The table is already in the background drop list */ - err = DB_ERROR; - } - - goto funct_exit; - } - - /* TODO: could we replace the counter n_foreign_key_checks_running - with lock checks on the table? Acquire here an exclusive lock on the - table, and rewrite lock0lock.c and the lock wait in srv0srv.c so that - they can cope with the table having been dropped here? Foreign key - checks take an IS or IX lock on the table. */ - - if (table->n_foreign_key_checks_running > 0) { - - const char* table_name = table->name; - ibool added; - - added = row_add_table_to_background_drop_list(table_name); - - if (added) { - ut_print_timestamp(stderr); - fputs(" InnoDB: You are trying to drop table ", - stderr); - ut_print_name(stderr, trx, TRUE, table_name); - fputs("\n" - "InnoDB: though there is a" - " foreign key check running on it.\n" - "InnoDB: Adding the table to" - " the background drop queue.\n", - stderr); - - /* We return DB_SUCCESS to MySQL though the drop will - happen lazily later */ - - err = DB_SUCCESS; - } else { - /* The table is already in the background drop list */ - err = DB_ERROR; - } - - goto funct_exit; - } - - /* Remove all locks there are on the table or its records */ - lock_remove_all_on_table(table, TRUE); - - trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - trx->table_id = table->id; - - /* We use the private SQL parser of Innobase to generate the - query graphs needed in deleting the dictionary data from system - tables in Innobase. Deleting a row from SYS_INDEXES table also - frees the file segments of the B-tree associated with the index. */ - - info = pars_info_create(); - - pars_info_add_str_literal(info, "table_name", name); - - err = que_eval_sql(info, - "PROCEDURE DROP_TABLE_PROC () IS\n" - "sys_foreign_id CHAR;\n" - "table_id CHAR;\n" - "index_id CHAR;\n" - "foreign_id CHAR;\n" - "found INT;\n" - "BEGIN\n" - "SELECT ID INTO table_id\n" - "FROM SYS_TABLES\n" - "WHERE NAME = :table_name\n" - "LOCK IN SHARE MODE;\n" - "IF (SQL % NOTFOUND) THEN\n" - " RETURN;\n" - "END IF;\n" - "found := 1;\n" - "SELECT ID INTO sys_foreign_id\n" - "FROM SYS_TABLES\n" - "WHERE NAME = 'SYS_FOREIGN'\n" - "LOCK IN SHARE MODE;\n" - "IF (SQL % NOTFOUND) THEN\n" - " found := 0;\n" - "END IF;\n" - "IF (:table_name = 'SYS_FOREIGN') THEN\n" - " found := 0;\n" - "END IF;\n" - "IF (:table_name = 'SYS_FOREIGN_COLS') THEN\n" - " found := 0;\n" - "END IF;\n" - "WHILE found = 1 LOOP\n" - " SELECT ID INTO foreign_id\n" - " FROM SYS_FOREIGN\n" - " WHERE FOR_NAME = :table_name\n" - " AND TO_BINARY(FOR_NAME)\n" - " = TO_BINARY(:table_name)\n" - " LOCK IN SHARE MODE;\n" - " IF (SQL % NOTFOUND) THEN\n" - " found := 0;\n" - " ELSE\n" - " DELETE FROM SYS_FOREIGN_COLS\n" - " WHERE ID = foreign_id;\n" - " DELETE FROM SYS_FOREIGN\n" - " WHERE ID = foreign_id;\n" - " END IF;\n" - "END LOOP;\n" - "found := 1;\n" - "WHILE found = 1 LOOP\n" - " SELECT ID INTO index_id\n" - " FROM SYS_INDEXES\n" - " WHERE TABLE_ID = table_id\n" - " LOCK IN SHARE MODE;\n" - " IF (SQL % NOTFOUND) THEN\n" - " found := 0;\n" - " ELSE\n" - " DELETE FROM SYS_FIELDS\n" - " WHERE INDEX_ID = index_id;\n" - " DELETE FROM SYS_INDEXES\n" - " WHERE ID = index_id\n" - " AND TABLE_ID = table_id;\n" - " END IF;\n" - "END LOOP;\n" - "DELETE FROM SYS_COLUMNS\n" - "WHERE TABLE_ID = table_id;\n" - "DELETE FROM SYS_TABLES\n" - "WHERE ID = table_id;\n" - "END;\n" - , FALSE, trx); - - switch (err) { - ibool is_temp; - const char* name_or_path; - mem_heap_t* heap; - - case DB_SUCCESS: - - heap = mem_heap_create(200); - - /* Clone the name, in case it has been allocated - from table->heap, which will be freed by - dict_table_remove_from_cache(table) below. */ - name = mem_heap_strdup(heap, name); - space_id = table->space; - - if (table->dir_path_of_temp_table != NULL) { - name_or_path = mem_heap_strdup( - heap, table->dir_path_of_temp_table); - is_temp = TRUE; - } else { - name_or_path = name; - is_temp = (table->flags >> DICT_TF2_SHIFT) - & DICT_TF2_TEMPORARY; - } - - dict_table_remove_from_cache(table); - - if (dict_load_table(name) != NULL) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: not able to remove table ", - stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs(" from the dictionary cache!\n", stderr); - err = DB_ERROR; - } - - /* Do not drop possible .ibd tablespace if something went - wrong: we do not want to delete valuable data of the user */ - - if (err == DB_SUCCESS && space_id > 0) { - if (!fil_space_for_table_exists_in_mem(space_id, - name_or_path, - is_temp, FALSE, - !is_temp)) { - err = DB_SUCCESS; - - fprintf(stderr, - "InnoDB: We removed now the InnoDB" - " internal data dictionary entry\n" - "InnoDB: of table "); - ut_print_name(stderr, trx, TRUE, name); - fprintf(stderr, ".\n"); - } else if (!fil_delete_tablespace(space_id)) { - fprintf(stderr, - "InnoDB: We removed now the InnoDB" - " internal data dictionary entry\n" - "InnoDB: of table "); - ut_print_name(stderr, trx, TRUE, name); - fprintf(stderr, ".\n"); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: not able to" - " delete tablespace %lu of table ", - (ulong) space_id); - ut_print_name(stderr, trx, TRUE, name); - fputs("!\n", stderr); - err = DB_ERROR; - } - } - - mem_heap_free(heap); - break; - - case DB_TOO_MANY_CONCURRENT_TRXS: - /* Cannot even find a free slot for the - the undo log. We can directly exit here - and return the DB_TOO_MANY_CONCURRENT_TRXS - error. */ - break; - - case DB_OUT_OF_FILE_SPACE: - err = DB_MUST_GET_MORE_FILE_SPACE; - - row_mysql_handle_errors(&err, trx, NULL, NULL); - - /* Fall through to raise error */ - - default: - /* No other possible error returns */ - ut_error; - } - -funct_exit: - - if (locked_dictionary) { - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - } - - trx->op_info = ""; - - srv_wake_master_thread(); - - return((int) err); -} - -/*********************************************************************//** -Drop all temporary tables during crash recovery. */ -UNIV_INTERN -void -row_mysql_drop_temp_tables(void) -/*============================*/ -{ - trx_t* trx; - btr_pcur_t pcur; - mtr_t mtr; - mem_heap_t* heap; - - trx = trx_allocate_for_background(); - trx->op_info = "dropping temporary tables"; - row_mysql_lock_data_dictionary(trx); - - heap = mem_heap_create(200); - - mtr_start(&mtr); - - btr_pcur_open_at_index_side( - TRUE, - dict_table_get_first_index(dict_sys->sys_tables), - BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - - for (;;) { - const rec_t* rec; - const byte* field; - ulint len; - const char* table_name; - dict_table_t* table; - - btr_pcur_move_to_next_user_rec(&pcur, &mtr); - - if (!btr_pcur_is_on_user_rec(&pcur)) { - break; - } - - rec = btr_pcur_get_rec(&pcur); - field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); - if (len != 4 || !(mach_read_from_4(field) & 0x80000000UL)) { - continue; - } - - /* Because this is not a ROW_FORMAT=REDUNDANT table, - the is_temp flag is valid. Examine it. */ - - field = rec_get_nth_field_old(rec, 7/*MIX_LEN*/, &len); - if (len != 4 - || !(mach_read_from_4(field) & DICT_TF2_TEMPORARY)) { - continue; - } - - /* This is a temporary table. */ - field = rec_get_nth_field_old(rec, 0/*NAME*/, &len); - if (len == UNIV_SQL_NULL || len == 0) { - /* Corrupted SYS_TABLES.NAME */ - continue; - } - - table_name = mem_heap_strdupl(heap, (const char*) field, len); - - btr_pcur_store_position(&pcur, &mtr); - btr_pcur_commit_specify_mtr(&pcur, &mtr); - - table = dict_load_table(table_name); - - if (table) { - row_drop_table_for_mysql(table_name, trx, FALSE); - trx_commit_for_mysql(trx); - } - - mtr_start(&mtr); - btr_pcur_restore_position(BTR_SEARCH_LEAF, - &pcur, &mtr); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - mem_heap_free(heap); - row_mysql_unlock_data_dictionary(trx); - trx_free_for_background(trx); -} - -/*******************************************************************//** -Drop all foreign keys in a database, see Bug#18942. -Called at the end of row_drop_database_for_mysql(). -@return error code or DB_SUCCESS */ -static -ulint -drop_all_foreign_keys_in_db( -/*========================*/ - const char* name, /*!< in: database name which ends to '/' */ - trx_t* trx) /*!< in: transaction handle */ -{ - pars_info_t* pinfo; - ulint err; - - ut_a(name[strlen(name) - 1] == '/'); - - pinfo = pars_info_create(); - - pars_info_add_str_literal(pinfo, "dbname", name); - -/** true if for_name is not prefixed with dbname */ -#define TABLE_NOT_IN_THIS_DB \ -"SUBSTR(for_name, 0, LENGTH(:dbname)) <> :dbname" - - err = que_eval_sql(pinfo, - "PROCEDURE DROP_ALL_FOREIGN_KEYS_PROC () IS\n" - "foreign_id CHAR;\n" - "for_name CHAR;\n" - "found INT;\n" - "DECLARE CURSOR cur IS\n" - "SELECT ID, FOR_NAME FROM SYS_FOREIGN\n" - "WHERE FOR_NAME >= :dbname\n" - "LOCK IN SHARE MODE\n" - "ORDER BY FOR_NAME;\n" - "BEGIN\n" - "found := 1;\n" - "OPEN cur;\n" - "WHILE found = 1 LOOP\n" - " FETCH cur INTO foreign_id, for_name;\n" - " IF (SQL % NOTFOUND) THEN\n" - " found := 0;\n" - " ELSIF (" TABLE_NOT_IN_THIS_DB ") THEN\n" - " found := 0;\n" - " ELSIF (1=1) THEN\n" - " DELETE FROM SYS_FOREIGN_COLS\n" - " WHERE ID = foreign_id;\n" - " DELETE FROM SYS_FOREIGN\n" - " WHERE ID = foreign_id;\n" - " END IF;\n" - "END LOOP;\n" - "CLOSE cur;\n" - "COMMIT WORK;\n" - "END;\n", - FALSE, /* do not reserve dict mutex, - we are already holding it */ - trx); - - return(err); -} - -/*********************************************************************//** -Drops a database for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -row_drop_database_for_mysql( -/*========================*/ - const char* name, /*!< in: database name which ends to '/' */ - trx_t* trx) /*!< in: transaction handle */ -{ - dict_table_t* table; - char* table_name; - int err = DB_SUCCESS; - ulint namelen = strlen(name); - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - ut_a(name != NULL); - ut_a(name[namelen - 1] == '/'); - - trx->op_info = "dropping database"; - - trx_start_if_not_started(trx); -loop: - row_mysql_lock_data_dictionary(trx); - - while ((table_name = dict_get_first_table_name_in_db(name))) { - ut_a(memcmp(table_name, name, namelen) == 0); - - table = dict_table_get_low(table_name); - - ut_a(table); - - /* Wait until MySQL does not have any queries running on - the table */ - - if (table->n_mysql_handles_opened > 0) { - row_mysql_unlock_data_dictionary(trx); - - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: MySQL is trying to" - " drop database ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fputs("\n" - "InnoDB: though there are still" - " open handles to table ", stderr); - ut_print_name(stderr, trx, TRUE, table_name); - fputs(".\n", stderr); - - os_thread_sleep(1000000); - - mem_free(table_name); - - goto loop; - } - - err = row_drop_table_for_mysql(table_name, trx, TRUE); - trx_commit_for_mysql(trx); - - if (err != DB_SUCCESS) { - fputs("InnoDB: DROP DATABASE ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fprintf(stderr, " failed with error %lu for table ", - (ulint) err); - ut_print_name(stderr, trx, TRUE, table_name); - putc('\n', stderr); - mem_free(table_name); - break; - } - - mem_free(table_name); - } - - if (err == DB_SUCCESS) { - /* after dropping all tables try to drop all leftover - foreign keys in case orphaned ones exist */ - err = (int) drop_all_foreign_keys_in_db(name, trx); - - if (err != DB_SUCCESS) { - fputs("InnoDB: DROP DATABASE ", stderr); - ut_print_name(stderr, trx, TRUE, name); - fprintf(stderr, " failed with error %d while " - "dropping all foreign keys", err); - } - } - - trx_commit_for_mysql(trx); - - row_mysql_unlock_data_dictionary(trx); - - trx->op_info = ""; - - return(err); -} - -/*********************************************************************//** -Checks if a table name contains the string "/#sql" which denotes temporary -tables in MySQL. -@return TRUE if temporary table */ -static -ibool -row_is_mysql_tmp_table_name( -/*========================*/ - const char* name) /*!< in: table name in the form - 'database/tablename' */ -{ - return(strstr(name, "/#sql") != NULL); - /* return(strstr(name, "/@0023sql") != NULL); */ -} - -/****************************************************************//** -Delete a single constraint. -@return error code or DB_SUCCESS */ -static -int -row_delete_constraint_low( -/*======================*/ - const char* id, /*!< in: constraint id */ - trx_t* trx) /*!< in: transaction handle */ -{ - pars_info_t* info = pars_info_create(); - - pars_info_add_str_literal(info, "id", id); - - return((int) que_eval_sql(info, - "PROCEDURE DELETE_CONSTRAINT () IS\n" - "BEGIN\n" - "DELETE FROM SYS_FOREIGN_COLS WHERE ID = :id;\n" - "DELETE FROM SYS_FOREIGN WHERE ID = :id;\n" - "END;\n" - , FALSE, trx)); -} - -/****************************************************************//** -Delete a single constraint. -@return error code or DB_SUCCESS */ -static -int -row_delete_constraint( -/*==================*/ - const char* id, /*!< in: constraint id */ - const char* database_name, /*!< in: database name, with the - trailing '/' */ - mem_heap_t* heap, /*!< in: memory heap */ - trx_t* trx) /*!< in: transaction handle */ -{ - ulint err; - - /* New format constraints have ids /. */ - err = row_delete_constraint_low( - mem_heap_strcat(heap, database_name, id), trx); - - if ((err == DB_SUCCESS) && !strchr(id, '/')) { - /* Old format < 4.0.18 constraints have constraint ids - NUMBER_NUMBER. We only try deleting them if the - constraint name does not contain a '/' character, otherwise - deleting a new format constraint named 'foo/bar' from - database 'baz' would remove constraint 'bar' from database - 'foo', if it existed. */ - - err = row_delete_constraint_low(id, trx); - } - - return((int) err); -} - -/*********************************************************************//** -Renames a table for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -ulint -row_rename_table_for_mysql( -/*=======================*/ - const char* old_name, /*!< in: old table name */ - const char* new_name, /*!< in: new table name */ - trx_t* trx, /*!< in: transaction handle */ - ibool commit) /*!< in: if TRUE then commit trx */ -{ - dict_table_t* table; - ulint err = DB_ERROR; - mem_heap_t* heap = NULL; - const char** constraints_to_drop = NULL; - ulint n_constraints_to_drop = 0; - ibool old_is_tmp, new_is_tmp; - pars_info_t* info = NULL; - - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - ut_a(old_name != NULL); - ut_a(new_name != NULL); - - if (srv_created_new_raw || srv_force_recovery) { - fputs("InnoDB: A new raw disk partition was initialized or\n" - "InnoDB: innodb_force_recovery is on: we do not allow\n" - "InnoDB: database modifications by the user. Shut down\n" - "InnoDB: mysqld and edit my.cnf so that newraw" - " is replaced\n" - "InnoDB: with raw, and innodb_force_... is removed.\n", - stderr); - - goto funct_exit; - } else if (row_mysql_is_system_table(new_name)) { - - fprintf(stderr, - "InnoDB: Error: trying to create a MySQL" - " system table %s of type InnoDB.\n" - "InnoDB: MySQL system tables must be" - " of the MyISAM type!\n", - new_name); - - goto funct_exit; - } - - trx->op_info = "renaming table"; - trx_start_if_not_started(trx); - - old_is_tmp = row_is_mysql_tmp_table_name(old_name); - new_is_tmp = row_is_mysql_tmp_table_name(new_name); - - table = dict_table_get_low(old_name); - - if (!table) { - err = DB_TABLE_NOT_FOUND; - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, old_name); - fputs(" does not exist in the InnoDB internal\n" - "InnoDB: data dictionary though MySQL is" - " trying to rename the table.\n" - "InnoDB: Have you copied the .frm file" - " of the table to the\n" - "InnoDB: MySQL database directory" - " from another database?\n" - "InnoDB: You can look for further help from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n", - stderr); - goto funct_exit; - } else if (table->ibd_file_missing) { - err = DB_TABLE_NOT_FOUND; - ut_print_timestamp(stderr); - - fputs(" InnoDB: Error: table ", stderr); - ut_print_name(stderr, trx, TRUE, old_name); - fputs(" does not have an .ibd file" - " in the database directory.\n" - "InnoDB: You can look for further help from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n", - stderr); - goto funct_exit; - } else if (new_is_tmp) { - /* MySQL is doing an ALTER TABLE command and it renames the - original table to a temporary table name. We want to preserve - the original foreign key constraint definitions despite the - name change. An exception is those constraints for which - the ALTER TABLE contained DROP FOREIGN KEY .*/ - - heap = mem_heap_create(100); - - err = dict_foreign_parse_drop_constraints( - heap, trx, table, &n_constraints_to_drop, - &constraints_to_drop); - - if (err != DB_SUCCESS) { - - goto funct_exit; - } - } - - /* We use the private SQL parser of Innobase to generate the query - graphs needed in updating the dictionary data from system tables. */ - - info = pars_info_create(); - - pars_info_add_str_literal(info, "new_table_name", new_name); - pars_info_add_str_literal(info, "old_table_name", old_name); - - err = que_eval_sql(info, - "PROCEDURE RENAME_TABLE () IS\n" - "BEGIN\n" - "UPDATE SYS_TABLES SET NAME = :new_table_name\n" - " WHERE NAME = :old_table_name;\n" - "END;\n" - , FALSE, trx); - - if (err != DB_SUCCESS) { - - goto end; - } else if (!new_is_tmp) { - /* Rename all constraints. */ - - info = pars_info_create(); - - pars_info_add_str_literal(info, "new_table_name", new_name); - pars_info_add_str_literal(info, "old_table_name", old_name); - - err = que_eval_sql( - info, - "PROCEDURE RENAME_CONSTRAINT_IDS () IS\n" - "gen_constr_prefix CHAR;\n" - "new_db_name CHAR;\n" - "foreign_id CHAR;\n" - "new_foreign_id CHAR;\n" - "old_db_name_len INT;\n" - "old_t_name_len INT;\n" - "new_db_name_len INT;\n" - "id_len INT;\n" - "found INT;\n" - "BEGIN\n" - "found := 1;\n" - "old_db_name_len := INSTR(:old_table_name, '/')-1;\n" - "new_db_name_len := INSTR(:new_table_name, '/')-1;\n" - "new_db_name := SUBSTR(:new_table_name, 0,\n" - " new_db_name_len);\n" - "old_t_name_len := LENGTH(:old_table_name);\n" - "gen_constr_prefix := CONCAT(:old_table_name,\n" - " '_ibfk_');\n" - "WHILE found = 1 LOOP\n" - " SELECT ID INTO foreign_id\n" - " FROM SYS_FOREIGN\n" - " WHERE FOR_NAME = :old_table_name\n" - " AND TO_BINARY(FOR_NAME)\n" - " = TO_BINARY(:old_table_name)\n" - " LOCK IN SHARE MODE;\n" - " IF (SQL % NOTFOUND) THEN\n" - " found := 0;\n" - " ELSE\n" - " UPDATE SYS_FOREIGN\n" - " SET FOR_NAME = :new_table_name\n" - " WHERE ID = foreign_id;\n" - " id_len := LENGTH(foreign_id);\n" - " IF (INSTR(foreign_id, '/') > 0) THEN\n" - " IF (INSTR(foreign_id,\n" - " gen_constr_prefix) > 0)\n" - " THEN\n" - " new_foreign_id :=\n" - " CONCAT(:new_table_name,\n" - " SUBSTR(foreign_id, old_t_name_len,\n" - " id_len - old_t_name_len));\n" - " ELSE\n" - " new_foreign_id :=\n" - " CONCAT(new_db_name,\n" - " SUBSTR(foreign_id,\n" - " old_db_name_len,\n" - " id_len - old_db_name_len));\n" - " END IF;\n" - " UPDATE SYS_FOREIGN\n" - " SET ID = new_foreign_id\n" - " WHERE ID = foreign_id;\n" - " UPDATE SYS_FOREIGN_COLS\n" - " SET ID = new_foreign_id\n" - " WHERE ID = foreign_id;\n" - " END IF;\n" - " END IF;\n" - "END LOOP;\n" - "UPDATE SYS_FOREIGN SET REF_NAME = :new_table_name\n" - "WHERE REF_NAME = :old_table_name\n" - " AND TO_BINARY(REF_NAME)\n" - " = TO_BINARY(:old_table_name);\n" - "END;\n" - , FALSE, trx); - - } else if (n_constraints_to_drop > 0) { - /* Drop some constraints of tmp tables. */ - - ulint db_name_len = dict_get_db_name_len(old_name) + 1; - char* db_name = mem_heap_strdupl(heap, old_name, - db_name_len); - ulint i; - - for (i = 0; i < n_constraints_to_drop; i++) { - err = row_delete_constraint(constraints_to_drop[i], - db_name, heap, trx); - - if (err != DB_SUCCESS) { - break; - } - } - } - -end: - if (err != DB_SUCCESS) { - if (err == DB_DUPLICATE_KEY) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error; possible reasons:\n" - "InnoDB: 1) Table rename would cause" - " two FOREIGN KEY constraints\n" - "InnoDB: to have the same internal name" - " in case-insensitive comparison.\n" - "InnoDB: 2) table ", stderr); - ut_print_name(stderr, trx, TRUE, new_name); - fputs(" exists in the InnoDB internal data\n" - "InnoDB: dictionary though MySQL is" - " trying to rename table ", stderr); - ut_print_name(stderr, trx, TRUE, old_name); - fputs(" to it.\n" - "InnoDB: Have you deleted the .frm file" - " and not used DROP TABLE?\n" - "InnoDB: You can look for further help from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: If table ", stderr); - ut_print_name(stderr, trx, TRUE, new_name); - fputs(" is a temporary table #sql..., then" - " it can be that\n" - "InnoDB: there are still queries running" - " on the table, and it will be\n" - "InnoDB: dropped automatically when" - " the queries end.\n" - "InnoDB: You can drop the orphaned table" - " inside InnoDB by\n" - "InnoDB: creating an InnoDB table with" - " the same name in another\n" - "InnoDB: database and copying the .frm file" - " to the current database.\n" - "InnoDB: Then MySQL thinks the table exists," - " and DROP TABLE will\n" - "InnoDB: succeed.\n", stderr); - } - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - } else { - /* The following call will also rename the .ibd data file if - the table is stored in a single-table tablespace */ - - if (!dict_table_rename_in_cache(table, new_name, - !new_is_tmp)) { - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - goto funct_exit; - } - - /* We only want to switch off some of the type checking in - an ALTER, not in a RENAME. */ - - err = dict_load_foreigns( - new_name, !old_is_tmp || trx->check_foreigns); - - if (err != DB_SUCCESS) { - ut_print_timestamp(stderr); - - if (old_is_tmp) { - fputs(" InnoDB: Error: in ALTER TABLE ", - stderr); - ut_print_name(stderr, trx, TRUE, new_name); - fputs("\n" - "InnoDB: has or is referenced" - " in foreign key constraints\n" - "InnoDB: which are not compatible" - " with the new table definition.\n", - stderr); - } else { - fputs(" InnoDB: Error: in RENAME TABLE" - " table ", - stderr); - ut_print_name(stderr, trx, TRUE, new_name); - fputs("\n" - "InnoDB: is referenced in" - " foreign key constraints\n" - "InnoDB: which are not compatible" - " with the new table definition.\n", - stderr); - } - - ut_a(dict_table_rename_in_cache(table, - old_name, FALSE)); - trx->error_state = DB_SUCCESS; - trx_general_rollback_for_mysql(trx, NULL); - trx->error_state = DB_SUCCESS; - } - } - -funct_exit: - - if (commit) { - trx_commit_for_mysql(trx); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - trx->op_info = ""; - - return(err); -} - -/*********************************************************************//** -Checks that the index contains entries in an ascending order, unique -constraint is not broken, and calculates the number of index entries -in the read view of the current transaction. -@return TRUE if ok */ -UNIV_INTERN -ibool -row_check_index_for_mysql( -/*======================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct - in MySQL handle */ - const dict_index_t* index, /*!< in: index */ - ulint* n_rows) /*!< out: number of entries - seen in the consistent read */ -{ - dtuple_t* prev_entry = NULL; - ulint matched_fields; - ulint matched_bytes; - byte* buf; - ulint ret; - rec_t* rec; - ibool is_ok = TRUE; - int cmp; - ibool contains_null; - ulint i; - ulint cnt; - mem_heap_t* heap = NULL; - ulint n_ext; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets; - rec_offs_init(offsets_); - - *n_rows = 0; - - buf = mem_alloc(UNIV_PAGE_SIZE); - heap = mem_heap_create(100); - - cnt = 1000; - - ret = row_search_for_mysql(buf, PAGE_CUR_G, prebuilt, 0, 0); -loop: - /* Check thd->killed every 1,000 scanned rows */ - if (--cnt == 0) { - if (trx_is_interrupted(prebuilt->trx)) { - goto func_exit; - } - cnt = 1000; - } - - switch (ret) { - case DB_SUCCESS: - break; - default: - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: CHECK TABLE on ", stderr); - dict_index_name_print(stderr, prebuilt->trx, index); - fprintf(stderr, " returned %lu\n", ret); - /* fall through (this error is ignored by CHECK TABLE) */ - case DB_END_OF_INDEX: -func_exit: - mem_free(buf); - mem_heap_free(heap); - - return(is_ok); - } - - *n_rows = *n_rows + 1; - - /* row_search... returns the index record in buf, record origin offset - within buf stored in the first 4 bytes, because we have built a dummy - template */ - - rec = buf + mach_read_from_4(buf); - - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - - if (prev_entry != NULL) { - matched_fields = 0; - matched_bytes = 0; - - cmp = cmp_dtuple_rec_with_match(prev_entry, rec, offsets, - &matched_fields, - &matched_bytes); - contains_null = FALSE; - - /* In a unique secondary index we allow equal key values if - they contain SQL NULLs */ - - for (i = 0; - i < dict_index_get_n_ordering_defined_by_user(index); - i++) { - if (UNIV_SQL_NULL == dfield_get_len( - dtuple_get_nth_field(prev_entry, i))) { - - contains_null = TRUE; - } - } - - if (cmp > 0) { - fputs("InnoDB: index records in a wrong order in ", - stderr); -not_ok: - dict_index_name_print(stderr, - prebuilt->trx, index); - fputs("\n" - "InnoDB: prev record ", stderr); - dtuple_print(stderr, prev_entry); - fputs("\n" - "InnoDB: record ", stderr); - rec_print_new(stderr, rec, offsets); - putc('\n', stderr); - is_ok = FALSE; - } else if (dict_index_is_unique(index) - && !contains_null - && matched_fields - >= dict_index_get_n_ordering_defined_by_user( - index)) { - - fputs("InnoDB: duplicate key in ", stderr); - goto not_ok; - } - } - - { - mem_heap_t* tmp_heap = NULL; - - /* Empty the heap on each round. But preserve offsets[] - for the row_rec_to_index_entry() call, by copying them - into a separate memory heap when needed. */ - if (UNIV_UNLIKELY(offsets != offsets_)) { - ulint size = rec_offs_get_n_alloc(offsets) - * sizeof *offsets; - - tmp_heap = mem_heap_create(size); - offsets = mem_heap_dup(tmp_heap, offsets, size); - } - - mem_heap_empty(heap); - - prev_entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, - index, offsets, - &n_ext, heap); - - if (UNIV_LIKELY_NULL(tmp_heap)) { - mem_heap_free(tmp_heap); - } - } - - ret = row_search_for_mysql(buf, PAGE_CUR_G, prebuilt, 0, ROW_SEL_NEXT); - - goto loop; -} - -/*********************************************************************//** -Determines if a table is a magic monitor table. -@return TRUE if monitor table */ -UNIV_INTERN -ibool -row_is_magic_monitor_table( -/*=======================*/ - const char* table_name) /*!< in: name of the table, in the - form database/table_name */ -{ - const char* name; /* table_name without database/ */ - ulint len; - - name = strchr(table_name, '/'); - ut_a(name != NULL); - name++; - len = strlen(name) + 1; - - if (STR_EQ(name, len, S_innodb_monitor) - || STR_EQ(name, len, S_innodb_lock_monitor) - || STR_EQ(name, len, S_innodb_tablespace_monitor) - || STR_EQ(name, len, S_innodb_table_monitor) - || STR_EQ(name, len, S_innodb_mem_validate)) { - - return(TRUE); - } - - return(FALSE); -} diff --git a/perfschema/row/row0purge.c b/perfschema/row/row0purge.c deleted file mode 100644 index 92915fd42a4..00000000000 --- a/perfschema/row/row0purge.c +++ /dev/null @@ -1,792 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0purge.c -Purge obsolete records - -Created 3/14/1997 Heikki Tuuri -*******************************************************/ - -#include "row0purge.h" - -#ifdef UNIV_NONINL -#include "row0purge.ic" -#endif - -#include "fsp0fsp.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "trx0undo.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "que0que.h" -#include "row0row.h" -#include "row0upd.h" -#include "row0vers.h" -#include "row0mysql.h" -#include "log0log.h" - -/********************************************************************//** -Creates a purge node to a query graph. -@return own: purge node */ -UNIV_INTERN -purge_node_t* -row_purge_node_create( -/*==================*/ - que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ - mem_heap_t* heap) /*!< in: memory heap where created */ -{ - purge_node_t* node; - - ut_ad(parent && heap); - - node = mem_heap_alloc(heap, sizeof(purge_node_t)); - - node->common.type = QUE_NODE_PURGE; - node->common.parent = parent; - - node->heap = mem_heap_create(256); - - return(node); -} - -/***********************************************************//** -Repositions the pcur in the purge node on the clustered index record, -if found. -@return TRUE if the record was found */ -static -ibool -row_purge_reposition_pcur( -/*======================*/ - ulint mode, /*!< in: latching mode */ - purge_node_t* node, /*!< in: row purge node */ - mtr_t* mtr) /*!< in: mtr */ -{ - ibool found; - - if (node->found_clust) { - found = btr_pcur_restore_position(mode, &(node->pcur), mtr); - - return(found); - } - - found = row_search_on_row_ref(&(node->pcur), mode, node->table, - node->ref, mtr); - node->found_clust = found; - - if (found) { - btr_pcur_store_position(&(node->pcur), mtr); - } - - return(found); -} - -/***********************************************************//** -Removes a delete marked clustered index record if possible. -@return TRUE if success, or if not found, or if modified after the -delete marking */ -static -ibool -row_purge_remove_clust_if_poss_low( -/*===============================*/ - purge_node_t* node, /*!< in: row purge node */ - ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ -{ - dict_index_t* index; - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ibool success; - ulint err; - mtr_t mtr; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - index = dict_table_get_first_index(node->table); - - pcur = &(node->pcur); - btr_cur = btr_pcur_get_btr_cur(pcur); - - mtr_start(&mtr); - - success = row_purge_reposition_pcur(mode, node, &mtr); - - if (!success) { - /* The record is already removed */ - - btr_pcur_commit_specify_mtr(pcur, &mtr); - - return(TRUE); - } - - rec = btr_pcur_get_rec(pcur); - - if (0 != ut_dulint_cmp(node->roll_ptr, row_get_rec_roll_ptr( - rec, index, rec_get_offsets( - rec, index, offsets_, - ULINT_UNDEFINED, &heap)))) { - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - /* Someone else has modified the record later: do not remove */ - btr_pcur_commit_specify_mtr(pcur, &mtr); - - return(TRUE); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - if (mode == BTR_MODIFY_LEAF) { - success = btr_cur_optimistic_delete(btr_cur, &mtr); - } else { - ut_ad(mode == BTR_MODIFY_TREE); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - RB_NONE, &mtr); - - if (err == DB_SUCCESS) { - success = TRUE; - } else if (err == DB_OUT_OF_FILE_SPACE) { - success = FALSE; - } else { - ut_error; - } - } - - btr_pcur_commit_specify_mtr(pcur, &mtr); - - return(success); -} - -/***********************************************************//** -Removes a clustered index record if it has not been modified after the delete -marking. */ -static -void -row_purge_remove_clust_if_poss( -/*===========================*/ - purge_node_t* node) /*!< in: row purge node */ -{ - ibool success; - ulint n_tries = 0; - - /* fputs("Purge: Removing clustered record\n", stderr); */ - - success = row_purge_remove_clust_if_poss_low(node, BTR_MODIFY_LEAF); - if (success) { - - return; - } -retry: - success = row_purge_remove_clust_if_poss_low(node, BTR_MODIFY_TREE); - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - - if (!success && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { - n_tries++; - - os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); - - goto retry; - } - - ut_a(success); -} - -/***********************************************************//** -Determines if it is possible to remove a secondary index entry. -Removal is possible if the secondary index entry does not refer to any -not delete marked version of a clustered index record where DB_TRX_ID -is newer than the purge view. - -NOTE: This function should only be called by the purge thread, only -while holding a latch on the leaf page of the secondary index entry -(or keeping the buffer pool watch on the page). It is possible that -this function first returns TRUE and then FALSE, if a user transaction -inserts a record that the secondary index entry would refer to. -However, in that case, the user transaction would also re-insert the -secondary index entry after purge has removed it and released the leaf -page latch. -@return TRUE if the secondary index record can be purged */ -UNIV_INTERN -ibool -row_purge_poss_sec( -/*===============*/ - purge_node_t* node, /*!< in/out: row purge node */ - dict_index_t* index, /*!< in: secondary index */ - const dtuple_t* entry) /*!< in: secondary index entry */ -{ - ibool can_delete; - mtr_t mtr; - - ut_ad(!dict_index_is_clust(index)); - mtr_start(&mtr); - - can_delete = !row_purge_reposition_pcur(BTR_SEARCH_LEAF, node, &mtr) - || !row_vers_old_has_index_entry(TRUE, - btr_pcur_get_rec(&node->pcur), - &mtr, index, entry); - - btr_pcur_commit_specify_mtr(&node->pcur, &mtr); - - return(can_delete); -} - -/*************************************************************** -Removes a secondary index entry if possible, by modifying the -index tree. Does not try to buffer the delete. -@return TRUE if success or if not found */ -static -ibool -row_purge_remove_sec_if_poss_tree( -/*==============================*/ - purge_node_t* node, /*!< in: row purge node */ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry) /*!< in: index entry */ -{ - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool success = TRUE; - ulint err; - mtr_t mtr; - enum row_search_result search_result; - - log_free_check(); - mtr_start(&mtr); - - search_result = row_search_index_entry(index, entry, BTR_MODIFY_TREE, - &pcur, &mtr); - - switch (search_result) { - case ROW_NOT_FOUND: - /* Not found. This is a legitimate condition. In a - rollback, InnoDB will remove secondary recs that would - be purged anyway. Then the actual purge will not find - the secondary index record. Also, the purge itself is - eager: if it comes to consider a secondary index - record, and notices it does not need to exist in the - index, it will remove it. Then if/when the purge - comes to consider the secondary index record a second - time, it will not exist any more in the index. */ - - /* fputs("PURGE:........sec entry not found\n", stderr); */ - /* dtuple_print(stderr, entry); */ - goto func_exit; - case ROW_FOUND: - break; - case ROW_BUFFERED: - case ROW_NOT_DELETED_REF: - /* These are invalid outcomes, because the mode passed - to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ - ut_error; - } - - btr_cur = btr_pcur_get_btr_cur(&pcur); - - /* We should remove the index record if no later version of the row, - which cannot be purged yet, requires its existence. If some requires, - we should do nothing. */ - - if (row_purge_poss_sec(node, index, entry)) { - /* Remove the index record, which should have been - marked for deletion. */ - ut_ad(REC_INFO_DELETED_FLAG - & rec_get_info_bits(btr_cur_get_rec(btr_cur), - dict_table_is_comp(index->table))); - - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - RB_NONE, &mtr); - switch (UNIV_EXPECT(err, DB_SUCCESS)) { - case DB_SUCCESS: - break; - case DB_OUT_OF_FILE_SPACE: - success = FALSE; - break; - default: - ut_error; - } - } - -func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(success); -} - -/*************************************************************** -Removes a secondary index entry without modifying the index tree, -if possible. -@return TRUE if success or if not found */ -static -ibool -row_purge_remove_sec_if_poss_leaf( -/*==============================*/ - purge_node_t* node, /*!< in: row purge node */ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry) /*!< in: index entry */ -{ - mtr_t mtr; - btr_pcur_t pcur; - enum row_search_result search_result; - - log_free_check(); - - mtr_start(&mtr); - - /* Set the purge node for the call to row_purge_poss_sec(). */ - pcur.btr_cur.purge_node = node; - /* Set the query thread, so that ibuf_insert_low() will be - able to invoke thd_get_trx(). */ - pcur.btr_cur.thr = que_node_get_parent(node); - - search_result = row_search_index_entry( - index, entry, BTR_MODIFY_LEAF | BTR_DELETE, &pcur, &mtr); - - switch (search_result) { - ibool success; - case ROW_FOUND: - /* Before attempting to purge a record, check - if it is safe to do so. */ - if (row_purge_poss_sec(node, index, entry)) { - btr_cur_t* btr_cur = btr_pcur_get_btr_cur(&pcur); - - /* Only delete-marked records should be purged. */ - ut_ad(REC_INFO_DELETED_FLAG - & rec_get_info_bits( - btr_cur_get_rec(btr_cur), - dict_table_is_comp(index->table))); - - if (!btr_cur_optimistic_delete(btr_cur, &mtr)) { - - /* The index entry could not be deleted. */ - success = FALSE; - goto func_exit; - } - } - /* fall through (the index entry is still needed, - or the deletion succeeded) */ - case ROW_NOT_DELETED_REF: - /* The index entry is still needed. */ - case ROW_BUFFERED: - /* The deletion was buffered. */ - case ROW_NOT_FOUND: - /* The index entry does not exist, nothing to do. */ - success = TRUE; - func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - return(success); - } - - ut_error; - return(FALSE); -} - -/***********************************************************//** -Removes a secondary index entry if possible. */ -UNIV_INLINE -void -row_purge_remove_sec_if_poss( -/*=========================*/ - purge_node_t* node, /*!< in: row purge node */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry) /*!< in: index entry */ -{ - ibool success; - ulint n_tries = 0; - - /* fputs("Purge: Removing secondary record\n", stderr); */ - - if (row_purge_remove_sec_if_poss_leaf(node, index, entry)) { - - return; - } -retry: - success = row_purge_remove_sec_if_poss_tree(node, index, entry); - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - - if (!success && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { - - n_tries++; - - os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); - - goto retry; - } - - ut_a(success); -} - -/***********************************************************//** -Purges a delete marking of a record. */ -static -void -row_purge_del_mark( -/*===============*/ - purge_node_t* node) /*!< in: row purge node */ -{ - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - - ut_ad(node); - - heap = mem_heap_create(1024); - - while (node->index != NULL) { - index = node->index; - - /* Build the index entry */ - entry = row_build_index_entry(node->row, NULL, index, heap); - ut_a(entry); - row_purge_remove_sec_if_poss(node, index, entry); - - node->index = dict_table_get_next_index(node->index); - } - - mem_heap_free(heap); - - row_purge_remove_clust_if_poss(node); -} - -/***********************************************************//** -Purges an update of an existing record. Also purges an update of a delete -marked record if that record contained an externally stored field. */ -static -void -row_purge_upd_exist_or_extern( -/*==========================*/ - purge_node_t* node) /*!< in: row purge node */ -{ - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - ibool is_insert; - ulint rseg_id; - ulint page_no; - ulint offset; - ulint i; - mtr_t mtr; - - ut_ad(node); - - if (node->rec_type == TRX_UNDO_UPD_DEL_REC) { - - goto skip_secondaries; - } - - heap = mem_heap_create(1024); - - while (node->index != NULL) { - index = node->index; - - if (row_upd_changes_ord_field_binary(NULL, node->index, - node->update)) { - /* Build the older version of the index entry */ - entry = row_build_index_entry(node->row, NULL, - index, heap); - ut_a(entry); - row_purge_remove_sec_if_poss(node, index, entry); - } - - node->index = dict_table_get_next_index(node->index); - } - - mem_heap_free(heap); - -skip_secondaries: - /* Free possible externally stored fields */ - for (i = 0; i < upd_get_n_fields(node->update); i++) { - - const upd_field_t* ufield - = upd_get_nth_field(node->update, i); - - if (dfield_is_ext(&ufield->new_val)) { - buf_block_t* block; - ulint internal_offset; - byte* data_field; - - /* We use the fact that new_val points to - node->undo_rec and get thus the offset of - dfield data inside the undo record. Then we - can calculate from node->roll_ptr the file - address of the new_val data */ - - internal_offset - = ((const byte*) - dfield_get_data(&ufield->new_val)) - - node->undo_rec; - - ut_a(internal_offset < UNIV_PAGE_SIZE); - - trx_undo_decode_roll_ptr(node->roll_ptr, - &is_insert, &rseg_id, - &page_no, &offset); - mtr_start(&mtr); - - /* We have to acquire an X-latch to the clustered - index tree */ - - index = dict_table_get_first_index(node->table); - - mtr_x_lock(dict_index_get_lock(index), &mtr); - - /* NOTE: we must also acquire an X-latch to the - root page of the tree. We will need it when we - free pages from the tree. If the tree is of height 1, - the tree X-latch does NOT protect the root page, - because it is also a leaf page. Since we will have a - latch on an undo log page, we would break the - latching order if we would only later latch the - root page of such a tree! */ - - btr_root_get(index, &mtr); - - /* We assume in purge of externally stored fields - that the space id of the undo log record is 0! */ - - block = buf_page_get(0, 0, page_no, RW_X_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); - - data_field = buf_block_get_frame(block) - + offset + internal_offset; - - ut_a(dfield_get_len(&ufield->new_val) - >= BTR_EXTERN_FIELD_REF_SIZE); - btr_free_externally_stored_field( - index, - data_field + dfield_get_len(&ufield->new_val) - - BTR_EXTERN_FIELD_REF_SIZE, - NULL, NULL, NULL, 0, RB_NONE, &mtr); - mtr_commit(&mtr); - } - } -} - -/***********************************************************//** -Parses the row reference and other info in a modify undo log record. -@return TRUE if purge operation required: NOTE that then the CALLER -must unfreeze data dictionary! */ -static -ibool -row_purge_parse_undo_rec( -/*=====================*/ - purge_node_t* node, /*!< in: row undo node */ - ibool* updated_extern, - /*!< out: TRUE if an externally stored field - was updated */ - que_thr_t* thr) /*!< in: query thread */ -{ - dict_index_t* clust_index; - byte* ptr; - trx_t* trx; - undo_no_t undo_no; - dulint table_id; - trx_id_t trx_id; - roll_ptr_t roll_ptr; - ulint info_bits; - ulint type; - ulint cmpl_info; - - ut_ad(node && thr); - - trx = thr_get_trx(thr); - - ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &cmpl_info, - updated_extern, &undo_no, &table_id); - node->rec_type = type; - - if (type == TRX_UNDO_UPD_DEL_REC && !(*updated_extern)) { - - return(FALSE); - } - - ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, - &info_bits); - node->table = NULL; - - if (type == TRX_UNDO_UPD_EXIST_REC - && cmpl_info & UPD_NODE_NO_ORD_CHANGE && !(*updated_extern)) { - - /* Purge requires no changes to indexes: we may return */ - - return(FALSE); - } - - /* Prevent DROP TABLE etc. from running when we are doing the purge - for this row */ - - row_mysql_freeze_data_dictionary(trx); - - mutex_enter(&(dict_sys->mutex)); - - node->table = dict_table_get_on_id_low(table_id); - - mutex_exit(&(dict_sys->mutex)); - - if (node->table == NULL) { - /* The table has been dropped: no need to do purge */ -err_exit: - row_mysql_unfreeze_data_dictionary(trx); - return(FALSE); - } - - if (node->table->ibd_file_missing) { - /* We skip purge of missing .ibd files */ - - node->table = NULL; - - goto err_exit; - } - - clust_index = dict_table_get_first_index(node->table); - - if (clust_index == NULL) { - /* The table was corrupt in the data dictionary */ - - goto err_exit; - } - - ptr = trx_undo_rec_get_row_ref(ptr, clust_index, &(node->ref), - node->heap); - - ptr = trx_undo_update_rec_get_update(ptr, clust_index, type, trx_id, - roll_ptr, info_bits, trx, - node->heap, &(node->update)); - - /* Read to the partial row the fields that occur in indexes */ - - if (!(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - ptr = trx_undo_rec_get_partial_row( - ptr, clust_index, &node->row, - type == TRX_UNDO_UPD_DEL_REC, - node->heap); - } - - return(TRUE); -} - -/***********************************************************//** -Fetches an undo log record and does the purge for the recorded operation. -If none left, or the current purge completed, returns the control to the -parent node, which is always a query thread node. -@return DB_SUCCESS if operation successfully completed, else error code */ -static -ulint -row_purge( -/*======*/ - purge_node_t* node, /*!< in: row purge node */ - que_thr_t* thr) /*!< in: query thread */ -{ - roll_ptr_t roll_ptr; - ibool purge_needed; - ibool updated_extern; - trx_t* trx; - - ut_ad(node && thr); - - trx = thr_get_trx(thr); - - node->undo_rec = trx_purge_fetch_next_rec(&roll_ptr, - &(node->reservation), - node->heap); - if (!node->undo_rec) { - /* Purge completed for this query thread */ - - thr->run_node = que_node_get_parent(node); - - return(DB_SUCCESS); - } - - node->roll_ptr = roll_ptr; - - if (node->undo_rec == &trx_purge_dummy_rec) { - purge_needed = FALSE; - } else { - purge_needed = row_purge_parse_undo_rec(node, &updated_extern, - thr); - /* If purge_needed == TRUE, we must also remember to unfreeze - data dictionary! */ - } - - if (purge_needed) { - node->found_clust = FALSE; - - node->index = dict_table_get_next_index( - dict_table_get_first_index(node->table)); - - if (node->rec_type == TRX_UNDO_DEL_MARK_REC) { - row_purge_del_mark(node); - - } else if (updated_extern - || node->rec_type == TRX_UNDO_UPD_EXIST_REC) { - - row_purge_upd_exist_or_extern(node); - } - - if (node->found_clust) { - btr_pcur_close(&(node->pcur)); - } - - row_mysql_unfreeze_data_dictionary(trx); - } - - /* Do some cleanup */ - trx_purge_rec_release(node->reservation); - mem_heap_empty(node->heap); - - thr->run_node = node; - - return(DB_SUCCESS); -} - -/***********************************************************//** -Does the purge operation for a single undo log record. This is a high-level -function used in an SQL execution graph. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_purge_step( -/*===========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - purge_node_t* node; - ulint err; - - ut_ad(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_PURGE); - - err = row_purge(node, thr); - - ut_ad(err == DB_SUCCESS); - - return(thr); -} diff --git a/perfschema/row/row0row.c b/perfschema/row/row0row.c deleted file mode 100644 index caac11ebc61..00000000000 --- a/perfschema/row/row0row.c +++ /dev/null @@ -1,1198 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0row.c -General row routines - -Created 4/20/1996 Heikki Tuuri -*******************************************************/ - -#include "row0row.h" - -#ifdef UNIV_NONINL -#include "row0row.ic" -#endif - -#include "data0type.h" -#include "dict0dict.h" -#include "btr0btr.h" -#include "ha_prototypes.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "trx0undo.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "que0que.h" -#include "row0ext.h" -#include "row0upd.h" -#include "rem0cmp.h" -#include "read0read.h" -#include "ut0mem.h" - -/*********************************************************************//** -Gets the offset of trx id field, in bytes relative to the origin of -a clustered index record. -@return offset of DATA_TRX_ID */ -UNIV_INTERN -ulint -row_get_trx_id_offset( -/*==================*/ - const rec_t* rec __attribute__((unused)), - /*!< in: record */ - dict_index_t* index, /*!< in: clustered index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - ulint pos; - ulint offset; - ulint len; - - ut_ad(dict_index_is_clust(index)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); - - offset = rec_get_nth_field_offs(offsets, pos, &len); - - ut_ad(len == DATA_TRX_ID_LEN); - - return(offset); -} - -/*****************************************************************//** -When an insert or purge to a table is performed, this function builds -the entry to be inserted into or purged from an index on the table. -@return index entry which should be inserted or purged, or NULL if the -externally stored columns in the clustered index record are -unavailable and ext != NULL */ -UNIV_INTERN -dtuple_t* -row_build_index_entry( -/*==================*/ - const dtuple_t* row, /*!< in: row which should be - inserted or purged */ - row_ext_t* ext, /*!< in: externally stored column prefixes, - or NULL */ - dict_index_t* index, /*!< in: index on the table */ - mem_heap_t* heap) /*!< in: memory heap from which the memory for - the index entry is allocated */ -{ - dtuple_t* entry; - ulint entry_len; - ulint i; - - ut_ad(row && index && heap); - ut_ad(dtuple_check_typed(row)); - - entry_len = dict_index_get_n_fields(index); - entry = dtuple_create(heap, entry_len); - - if (UNIV_UNLIKELY(index->type & DICT_UNIVERSAL)) { - dtuple_set_n_fields_cmp(entry, entry_len); - /* There may only be externally stored columns - in a clustered index B-tree of a user table. */ - ut_a(!ext); - } else { - dtuple_set_n_fields_cmp( - entry, dict_index_get_n_unique_in_tree(index)); - } - - for (i = 0; i < entry_len; i++) { - const dict_field_t* ind_field - = dict_index_get_nth_field(index, i); - const dict_col_t* col - = ind_field->col; - ulint col_no - = dict_col_get_no(col); - dfield_t* dfield - = dtuple_get_nth_field(entry, i); - const dfield_t* dfield2 - = dtuple_get_nth_field(row, col_no); - ulint len - = dfield_get_len(dfield2); - - dfield_copy(dfield, dfield2); - - if (dfield_is_null(dfield) || ind_field->prefix_len == 0) { - continue; - } - - /* If a column prefix index, take only the prefix. - Prefix-indexed columns may be externally stored. */ - ut_ad(col->ord_part); - - if (UNIV_LIKELY_NULL(ext)) { - /* See if the column is stored externally. */ - const byte* buf = row_ext_lookup(ext, col_no, - &len); - if (UNIV_LIKELY_NULL(buf)) { - if (UNIV_UNLIKELY(buf == field_ref_zero)) { - return(NULL); - } - dfield_set_data(dfield, buf, len); - } - } else if (dfield_is_ext(dfield)) { - ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE); - len -= BTR_EXTERN_FIELD_REF_SIZE; - ut_a(ind_field->prefix_len <= len - || dict_index_is_clust(index)); - } - - len = dtype_get_at_most_n_mbchars( - col->prtype, col->mbminlen, col->mbmaxlen, - ind_field->prefix_len, len, dfield_get_data(dfield)); - dfield_set_len(dfield, len); - } - - ut_ad(dtuple_check_typed(entry)); - - return(entry); -} - -/*******************************************************************//** -An inverse function to row_build_index_entry. Builds a row from a -record in a clustered index. -@return own: row built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_build( -/*======*/ - ulint type, /*!< in: ROW_COPY_POINTERS or - ROW_COPY_DATA; the latter - copies also the data fields to - heap while the first only - places pointers to data fields - on the index page, and thus is - more efficient */ - const dict_index_t* index, /*!< in: clustered index */ - const rec_t* rec, /*!< in: record in the clustered - index; NOTE: in the case - ROW_COPY_POINTERS the data - fields in the row will point - directly into this record, - therefore, the buffer page of - this record must be at least - s-latched and the latch held - as long as the row dtuple is used! */ - const ulint* offsets,/*!< in: rec_get_offsets(rec,index) - or NULL, in which case this function - will invoke rec_get_offsets() */ - const dict_table_t* col_table, - /*!< in: table, to check which - externally stored columns - occur in the ordering columns - of an index, or NULL if - index->table should be - consulted instead */ - row_ext_t** ext, /*!< out, own: cache of - externally stored column - prefixes, or NULL */ - mem_heap_t* heap) /*!< in: memory heap from which - the memory needed is allocated */ -{ - dtuple_t* row; - const dict_table_t* table; - ulint n_fields; - ulint n_ext_cols; - ulint* ext_cols = NULL; /* remove warning */ - ulint len; - ulint row_len; - byte* buf; - ulint i; - ulint j; - mem_heap_t* tmp_heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - ut_ad(index && rec && heap); - ut_ad(dict_index_is_clust(index)); - - if (!offsets) { - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &tmp_heap); - } else { - ut_ad(rec_offs_validate(rec, index, offsets)); - } - - if (type != ROW_COPY_POINTERS) { - /* Take a copy of rec to heap */ - buf = mem_heap_alloc(heap, rec_offs_size(offsets)); - rec = rec_copy(buf, rec, offsets); - /* Avoid a debug assertion in rec_offs_validate(). */ - rec_offs_make_valid(rec, index, (ulint*) offsets); - } - - table = index->table; - row_len = dict_table_get_n_cols(table); - - row = dtuple_create(heap, row_len); - - dict_table_copy_types(row, table); - - dtuple_set_info_bits(row, rec_get_info_bits( - rec, dict_table_is_comp(table))); - - n_fields = rec_offs_n_fields(offsets); - n_ext_cols = rec_offs_n_extern(offsets); - if (n_ext_cols) { - ext_cols = mem_heap_alloc(heap, n_ext_cols * sizeof *ext_cols); - } - - for (i = j = 0; i < n_fields; i++) { - dict_field_t* ind_field - = dict_index_get_nth_field(index, i); - const dict_col_t* col - = dict_field_get_col(ind_field); - ulint col_no - = dict_col_get_no(col); - dfield_t* dfield - = dtuple_get_nth_field(row, col_no); - - if (ind_field->prefix_len == 0) { - - const byte* field = rec_get_nth_field( - rec, offsets, i, &len); - - dfield_set_data(dfield, field, len); - } - - if (rec_offs_nth_extern(offsets, i)) { - dfield_set_ext(dfield); - - if (UNIV_LIKELY_NULL(col_table)) { - ut_a(col_no - < dict_table_get_n_cols(col_table)); - col = dict_table_get_nth_col( - col_table, col_no); - } - - if (col->ord_part) { - /* We will have to fetch prefixes of - externally stored columns that are - referenced by column prefixes. */ - ext_cols[j++] = col_no; - } - } - } - - ut_ad(dtuple_check_typed(row)); - - if (j) { - *ext = row_ext_create(j, ext_cols, row, - dict_table_zip_size(index->table), - heap); - } else { - *ext = NULL; - } - - if (tmp_heap) { - mem_heap_free(tmp_heap); - } - - return(row); -} - -/*******************************************************************//** -Converts an index record to a typed data tuple. -@return index entry built; does not set info_bits, and the data fields -in the entry will point directly to rec */ -UNIV_INTERN -dtuple_t* -row_rec_to_index_entry_low( -/*=======================*/ - const rec_t* rec, /*!< in: record in the index */ - const dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint* n_ext, /*!< out: number of externally - stored columns */ - mem_heap_t* heap) /*!< in: memory heap from which - the memory needed is allocated */ -{ - dtuple_t* entry; - dfield_t* dfield; - ulint i; - const byte* field; - ulint len; - ulint rec_len; - - ut_ad(rec && heap && index); - /* Because this function may be invoked by row0merge.c - on a record whose header is in different format, the check - rec_offs_validate(rec, index, offsets) must be avoided here. */ - ut_ad(n_ext); - *n_ext = 0; - - rec_len = rec_offs_n_fields(offsets); - - entry = dtuple_create(heap, rec_len); - - dtuple_set_n_fields_cmp(entry, - dict_index_get_n_unique_in_tree(index)); - ut_ad(rec_len == dict_index_get_n_fields(index)); - - dict_index_copy_types(entry, index, rec_len); - - for (i = 0; i < rec_len; i++) { - - dfield = dtuple_get_nth_field(entry, i); - field = rec_get_nth_field(rec, offsets, i, &len); - - dfield_set_data(dfield, field, len); - - if (rec_offs_nth_extern(offsets, i)) { - dfield_set_ext(dfield); - (*n_ext)++; - } - } - - ut_ad(dtuple_check_typed(entry)); - - return(entry); -} - -/*******************************************************************//** -Converts an index record to a typed data tuple. NOTE that externally -stored (often big) fields are NOT copied to heap. -@return own: index entry built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_rec_to_index_entry( -/*===================*/ - ulint type, /*!< in: ROW_COPY_DATA, or - ROW_COPY_POINTERS: the former - copies also the data fields to - heap as the latter only places - pointers to data fields on the - index page */ - const rec_t* rec, /*!< in: record in the index; - NOTE: in the case - ROW_COPY_POINTERS the data - fields in the row will point - directly into this record, - therefore, the buffer page of - this record must be at least - s-latched and the latch held - as long as the dtuple is used! */ - const dict_index_t* index, /*!< in: index */ - ulint* offsets,/*!< in/out: rec_get_offsets(rec) */ - ulint* n_ext, /*!< out: number of externally - stored columns */ - mem_heap_t* heap) /*!< in: memory heap from which - the memory needed is allocated */ -{ - dtuple_t* entry; - byte* buf; - - ut_ad(rec && heap && index); - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (type == ROW_COPY_DATA) { - /* Take a copy of rec to heap */ - buf = mem_heap_alloc(heap, rec_offs_size(offsets)); - rec = rec_copy(buf, rec, offsets); - /* Avoid a debug assertion in rec_offs_validate(). */ - rec_offs_make_valid(rec, index, offsets); - } - - entry = row_rec_to_index_entry_low(rec, index, offsets, n_ext, heap); - - dtuple_set_info_bits(entry, - rec_get_info_bits(rec, rec_offs_comp(offsets))); - - return(entry); -} - -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. -@return own: row reference built; see the NOTE below! */ -UNIV_INTERN -dtuple_t* -row_build_row_ref( -/*==============*/ - ulint type, /*!< in: ROW_COPY_DATA, or ROW_COPY_POINTERS: - the former copies also the data fields to - heap, whereas the latter only places pointers - to data fields on the index page */ - dict_index_t* index, /*!< in: secondary index */ - const rec_t* rec, /*!< in: record in the index; - NOTE: in the case ROW_COPY_POINTERS - the data fields in the row will point - directly into this record, therefore, - the buffer page of this record must be - at least s-latched and the latch held - as long as the row reference is used! */ - mem_heap_t* heap) /*!< in: memory heap from which the memory - needed is allocated */ -{ - dict_table_t* table; - dict_index_t* clust_index; - dfield_t* dfield; - dtuple_t* ref; - const byte* field; - ulint len; - ulint ref_len; - ulint pos; - byte* buf; - ulint clust_col_prefix_len; - ulint i; - mem_heap_t* tmp_heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(index && rec && heap); - ut_ad(!dict_index_is_clust(index)); - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &tmp_heap); - /* Secondary indexes must not contain externally stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - - if (type == ROW_COPY_DATA) { - /* Take a copy of rec to heap */ - - buf = mem_heap_alloc(heap, rec_offs_size(offsets)); - - rec = rec_copy(buf, rec, offsets); - /* Avoid a debug assertion in rec_offs_validate(). */ - rec_offs_make_valid(rec, index, offsets); - } - - table = index->table; - - clust_index = dict_table_get_first_index(table); - - ref_len = dict_index_get_n_unique(clust_index); - - ref = dtuple_create(heap, ref_len); - - dict_index_copy_types(ref, clust_index, ref_len); - - for (i = 0; i < ref_len; i++) { - dfield = dtuple_get_nth_field(ref, i); - - pos = dict_index_get_nth_field_pos(index, clust_index, i); - - ut_a(pos != ULINT_UNDEFINED); - - field = rec_get_nth_field(rec, offsets, pos, &len); - - dfield_set_data(dfield, field, len); - - /* If the primary key contains a column prefix, then the - secondary index may contain a longer prefix of the same - column, or the full column, and we must adjust the length - accordingly. */ - - clust_col_prefix_len = dict_index_get_nth_field( - clust_index, i)->prefix_len; - - if (clust_col_prefix_len > 0) { - if (len != UNIV_SQL_NULL) { - - const dtype_t* dtype - = dfield_get_type(dfield); - - dfield_set_len(dfield, - dtype_get_at_most_n_mbchars( - dtype->prtype, - dtype->mbminlen, - dtype->mbmaxlen, - clust_col_prefix_len, - len, (char*) field)); - } - } - } - - ut_ad(dtuple_check_typed(ref)); - if (tmp_heap) { - mem_heap_free(tmp_heap); - } - - return(ref); -} - -/*******************************************************************//** -Builds from a secondary index record a row reference with which we can -search the clustered index record. */ -UNIV_INTERN -void -row_build_row_ref_in_tuple( -/*=======================*/ - dtuple_t* ref, /*!< in/out: row reference built; - see the NOTE below! */ - const rec_t* rec, /*!< in: record in the index; - NOTE: the data fields in ref - will point directly into this - record, therefore, the buffer - page of this record must be at - least s-latched and the latch - held as long as the row - reference is used! */ - const dict_index_t* index, /*!< in: secondary index */ - ulint* offsets,/*!< in: rec_get_offsets(rec, index) - or NULL */ - trx_t* trx) /*!< in: transaction */ -{ - const dict_index_t* clust_index; - dfield_t* dfield; - const byte* field; - ulint len; - ulint ref_len; - ulint pos; - ulint clust_col_prefix_len; - ulint i; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_offs_init(offsets_); - - ut_a(ref); - ut_a(index); - ut_a(rec); - ut_ad(!dict_index_is_clust(index)); - - if (UNIV_UNLIKELY(!index->table)) { - fputs("InnoDB: table ", stderr); -notfound: - ut_print_name(stderr, trx, TRUE, index->table_name); - fputs(" for index ", stderr); - ut_print_name(stderr, trx, FALSE, index->name); - fputs(" not found\n", stderr); - ut_error; - } - - clust_index = dict_table_get_first_index(index->table); - - if (UNIV_UNLIKELY(!clust_index)) { - fputs("InnoDB: clust index for table ", stderr); - goto notfound; - } - - if (!offsets) { - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - } else { - ut_ad(rec_offs_validate(rec, index, offsets)); - } - - /* Secondary indexes must not contain externally stored columns. */ - ut_ad(!rec_offs_any_extern(offsets)); - ref_len = dict_index_get_n_unique(clust_index); - - ut_ad(ref_len == dtuple_get_n_fields(ref)); - - dict_index_copy_types(ref, clust_index, ref_len); - - for (i = 0; i < ref_len; i++) { - dfield = dtuple_get_nth_field(ref, i); - - pos = dict_index_get_nth_field_pos(index, clust_index, i); - - ut_a(pos != ULINT_UNDEFINED); - - field = rec_get_nth_field(rec, offsets, pos, &len); - - dfield_set_data(dfield, field, len); - - /* If the primary key contains a column prefix, then the - secondary index may contain a longer prefix of the same - column, or the full column, and we must adjust the length - accordingly. */ - - clust_col_prefix_len = dict_index_get_nth_field( - clust_index, i)->prefix_len; - - if (clust_col_prefix_len > 0) { - if (len != UNIV_SQL_NULL) { - - const dtype_t* dtype - = dfield_get_type(dfield); - - dfield_set_len(dfield, - dtype_get_at_most_n_mbchars( - dtype->prtype, - dtype->mbminlen, - dtype->mbmaxlen, - clust_col_prefix_len, - len, (char*) field)); - } - } - } - - ut_ad(dtuple_check_typed(ref)); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/***************************************************************//** -Searches the clustered index record for a row, if we have the row reference. -@return TRUE if found */ -UNIV_INTERN -ibool -row_search_on_row_ref( -/*==================*/ - btr_pcur_t* pcur, /*!< out: persistent cursor, which must - be closed by the caller */ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - const dict_table_t* table, /*!< in: table */ - const dtuple_t* ref, /*!< in: row reference */ - mtr_t* mtr) /*!< in/out: mtr */ -{ - ulint low_match; - rec_t* rec; - dict_index_t* index; - - ut_ad(dtuple_check_typed(ref)); - - index = dict_table_get_first_index(table); - - ut_a(dtuple_get_n_fields(ref) == dict_index_get_n_unique(index)); - - btr_pcur_open(index, ref, PAGE_CUR_LE, mode, pcur, mtr); - - low_match = btr_pcur_get_low_match(pcur); - - rec = btr_pcur_get_rec(pcur); - - if (page_rec_is_infimum(rec)) { - - return(FALSE); - } - - if (low_match != dtuple_get_n_fields(ref)) { - - return(FALSE); - } - - return(TRUE); -} - -/*********************************************************************//** -Fetches the clustered index record for a secondary index record. The latches -on the secondary index record are preserved. -@return record or NULL, if no record found */ -UNIV_INTERN -rec_t* -row_get_clust_rec( -/*==============*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - const rec_t* rec, /*!< in: record in a secondary index */ - dict_index_t* index, /*!< in: secondary index */ - dict_index_t** clust_index,/*!< out: clustered index */ - mtr_t* mtr) /*!< in: mtr */ -{ - mem_heap_t* heap; - dtuple_t* ref; - dict_table_t* table; - btr_pcur_t pcur; - ibool found; - rec_t* clust_rec; - - ut_ad(!dict_index_is_clust(index)); - - table = index->table; - - heap = mem_heap_create(256); - - ref = row_build_row_ref(ROW_COPY_POINTERS, index, rec, heap); - - found = row_search_on_row_ref(&pcur, mode, table, ref, mtr); - - clust_rec = found ? btr_pcur_get_rec(&pcur) : NULL; - - mem_heap_free(heap); - - btr_pcur_close(&pcur); - - *clust_index = dict_table_get_first_index(table); - - return(clust_rec); -} - -/***************************************************************//** -Searches an index record. -@return whether the record was found or buffered */ -UNIV_INTERN -enum row_search_result -row_search_index_entry( -/*===================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry, /*!< in: index entry */ - ulint mode, /*!< in: BTR_MODIFY_LEAF, ... */ - btr_pcur_t* pcur, /*!< in/out: persistent cursor, which must - be closed by the caller */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint n_fields; - ulint low_match; - rec_t* rec; - - ut_ad(dtuple_check_typed(entry)); - - btr_pcur_open(index, entry, PAGE_CUR_LE, mode, pcur, mtr); - - switch (btr_pcur_get_btr_cur(pcur)->flag) { - case BTR_CUR_DELETE_REF: - ut_a(mode & BTR_DELETE); - return(ROW_NOT_DELETED_REF); - - case BTR_CUR_DEL_MARK_IBUF: - case BTR_CUR_DELETE_IBUF: - case BTR_CUR_INSERT_TO_IBUF: - return(ROW_BUFFERED); - - case BTR_CUR_HASH: - case BTR_CUR_HASH_FAIL: - case BTR_CUR_BINARY: - break; - } - - low_match = btr_pcur_get_low_match(pcur); - - rec = btr_pcur_get_rec(pcur); - - n_fields = dtuple_get_n_fields(entry); - - if (page_rec_is_infimum(rec)) { - - return(ROW_NOT_FOUND); - } else if (low_match != n_fields) { - - return(ROW_NOT_FOUND); - } - - return(ROW_FOUND); -} - -#include - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) that is of -type DATA_INT using "prtype" and writes the result to "buf". -If the data is in unknown format, then nothing is written to "buf", -0 is returned and "format_in_hex" is set to TRUE, otherwise -"format_in_hex" is left untouched. -Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the -number of bytes that were written to "buf" is returned (including the -terminating '\0'). -@return number of bytes that were written */ -static -ulint -row_raw_format_int( -/*===============*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - ulint prtype, /*!< in: precise type */ - char* buf, /*!< out: output buffer */ - ulint buf_size, /*!< in: output buffer size - in bytes */ - ibool* format_in_hex) /*!< out: should the data be - formated in hex */ -{ - ulint ret; - - if (data_len <= sizeof(ullint)) { - - ullint value; - ibool unsigned_type = prtype & DATA_UNSIGNED; - - value = mach_read_int_type((const byte*) data, - data_len, unsigned_type); - - if (unsigned_type) { - - ret = ut_snprintf(buf, buf_size, "%llu", - value) + 1; - } else { - - ret = ut_snprintf(buf, buf_size, "%lld", - (long long) value) + 1; - } - - } else { - - *format_in_hex = TRUE; - ret = 0; - } - - return(ut_min(ret, buf_size)); -} - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) that is of -type DATA_(CHAR|VARCHAR|MYSQL|VARMYSQL) using "prtype" and writes the -result to "buf". -If the data is in binary format, then nothing is written to "buf", -0 is returned and "format_in_hex" is set to TRUE, otherwise -"format_in_hex" is left untouched. -Not more than "buf_size" bytes are written to "buf". -The result is always '\0'-terminated (provided buf_size > 0) and the -number of bytes that were written to "buf" is returned (including the -terminating '\0'). -@return number of bytes that were written */ -static -ulint -row_raw_format_str( -/*===============*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - ulint prtype, /*!< in: precise type */ - char* buf, /*!< out: output buffer */ - ulint buf_size, /*!< in: output buffer size - in bytes */ - ibool* format_in_hex) /*!< out: should the data be - formated in hex */ -{ - ulint charset_coll; - - if (buf_size == 0) { - - return(0); - } - - /* we assume system_charset_info is UTF-8 */ - - charset_coll = dtype_get_charset_coll(prtype); - - if (UNIV_LIKELY(dtype_is_utf8(prtype))) { - - return(ut_str_sql_format(data, data_len, buf, buf_size)); - } - /* else */ - - if (charset_coll == DATA_MYSQL_BINARY_CHARSET_COLL) { - - *format_in_hex = TRUE; - return(0); - } - /* else */ - - return(innobase_raw_format(data, data_len, charset_coll, - buf, buf_size)); -} - -/*******************************************************************//** -Formats the raw data in "data" (in InnoDB on-disk format) using -"dict_field" and writes the result to "buf". -Not more than "buf_size" bytes are written to "buf". -The result is always NUL-terminated (provided buf_size is positive) and the -number of bytes that were written to "buf" is returned (including the -terminating NUL). -@return number of bytes that were written */ -UNIV_INTERN -ulint -row_raw_format( -/*===========*/ - const char* data, /*!< in: raw data */ - ulint data_len, /*!< in: raw data length - in bytes */ - const dict_field_t* dict_field, /*!< in: index field */ - char* buf, /*!< out: output buffer */ - ulint buf_size) /*!< in: output buffer size - in bytes */ -{ - ulint mtype; - ulint prtype; - ulint ret; - ibool format_in_hex; - - if (buf_size == 0) { - - return(0); - } - - if (data_len == UNIV_SQL_NULL) { - - ret = ut_snprintf((char*) buf, buf_size, "NULL") + 1; - - return(ut_min(ret, buf_size)); - } - - mtype = dict_field->col->mtype; - prtype = dict_field->col->prtype; - - format_in_hex = FALSE; - - switch (mtype) { - case DATA_INT: - - ret = row_raw_format_int(data, data_len, prtype, - buf, buf_size, &format_in_hex); - if (format_in_hex) { - - goto format_in_hex; - } - break; - case DATA_CHAR: - case DATA_VARCHAR: - case DATA_MYSQL: - case DATA_VARMYSQL: - - ret = row_raw_format_str(data, data_len, prtype, - buf, buf_size, &format_in_hex); - if (format_in_hex) { - - goto format_in_hex; - } - - break; - /* XXX support more data types */ - default: - format_in_hex: - - if (UNIV_LIKELY(buf_size > 2)) { - - memcpy(buf, "0x", 2); - buf += 2; - buf_size -= 2; - ret = 2 + ut_raw_to_hex(data, data_len, - buf, buf_size); - } else { - - buf[0] = '\0'; - ret = 1; - } - } - - return(ret); -} - -#ifdef UNIV_COMPILE_TEST_FUNCS - -#include "ut0dbg.h" - -void -test_row_raw_format_int() -{ - ulint ret; - char buf[128]; - ibool format_in_hex; - -#define CALL_AND_TEST(data, data_len, prtype, buf, buf_size,\ - ret_expected, buf_expected, format_in_hex_expected)\ - do {\ - ibool ok = TRUE;\ - ulint i;\ - memset(buf, 'x', 10);\ - buf[10] = '\0';\ - format_in_hex = FALSE;\ - fprintf(stderr, "TESTING \"\\x");\ - for (i = 0; i < data_len; i++) {\ - fprintf(stderr, "%02hhX", data[i]);\ - }\ - fprintf(stderr, "\", %lu, %lu, %lu\n",\ - (ulint) data_len, (ulint) prtype,\ - (ulint) buf_size);\ - ret = row_raw_format_int(data, data_len, prtype,\ - buf, buf_size, &format_in_hex);\ - if (ret != ret_expected) {\ - fprintf(stderr, "expected ret %lu, got %lu\n",\ - (ulint) ret_expected, ret);\ - ok = FALSE;\ - }\ - if (strcmp((char*) buf, buf_expected) != 0) {\ - fprintf(stderr, "expected buf \"%s\", got \"%s\"\n",\ - buf_expected, buf);\ - ok = FALSE;\ - }\ - if (format_in_hex != format_in_hex_expected) {\ - fprintf(stderr, "expected format_in_hex %d, got %d\n",\ - (int) format_in_hex_expected,\ - (int) format_in_hex);\ - ok = FALSE;\ - }\ - if (ok) {\ - fprintf(stderr, "OK: %lu, \"%s\" %d\n\n",\ - (ulint) ret, buf, (int) format_in_hex);\ - } else {\ - return;\ - }\ - } while (0) - -#if 1 - /* min values for signed 1-8 byte integers */ - - CALL_AND_TEST("\x00", 1, 0, - buf, sizeof(buf), 5, "-128", 0); - - CALL_AND_TEST("\x00\x00", 2, 0, - buf, sizeof(buf), 7, "-32768", 0); - - CALL_AND_TEST("\x00\x00\x00", 3, 0, - buf, sizeof(buf), 9, "-8388608", 0); - - CALL_AND_TEST("\x00\x00\x00\x00", 4, 0, - buf, sizeof(buf), 12, "-2147483648", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00", 5, 0, - buf, sizeof(buf), 14, "-549755813888", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00", 6, 0, - buf, sizeof(buf), 17, "-140737488355328", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00", 7, 0, - buf, sizeof(buf), 19, "-36028797018963968", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00\x00", 8, 0, - buf, sizeof(buf), 21, "-9223372036854775808", 0); - - /* min values for unsigned 1-8 byte integers */ - - CALL_AND_TEST("\x00", 1, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00", 2, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00", 3, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00\x00", 4, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00", 5, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00", 6, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00", 7, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x00\x00\x00", 8, DATA_UNSIGNED, - buf, sizeof(buf), 2, "0", 0); - - /* max values for signed 1-8 byte integers */ - - CALL_AND_TEST("\xFF", 1, 0, - buf, sizeof(buf), 4, "127", 0); - - CALL_AND_TEST("\xFF\xFF", 2, 0, - buf, sizeof(buf), 6, "32767", 0); - - CALL_AND_TEST("\xFF\xFF\xFF", 3, 0, - buf, sizeof(buf), 8, "8388607", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF", 4, 0, - buf, sizeof(buf), 11, "2147483647", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF", 5, 0, - buf, sizeof(buf), 13, "549755813887", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF", 6, 0, - buf, sizeof(buf), 16, "140737488355327", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 7, 0, - buf, sizeof(buf), 18, "36028797018963967", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8, 0, - buf, sizeof(buf), 20, "9223372036854775807", 0); - - /* max values for unsigned 1-8 byte integers */ - - CALL_AND_TEST("\xFF", 1, DATA_UNSIGNED, - buf, sizeof(buf), 4, "255", 0); - - CALL_AND_TEST("\xFF\xFF", 2, DATA_UNSIGNED, - buf, sizeof(buf), 6, "65535", 0); - - CALL_AND_TEST("\xFF\xFF\xFF", 3, DATA_UNSIGNED, - buf, sizeof(buf), 9, "16777215", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF", 4, DATA_UNSIGNED, - buf, sizeof(buf), 11, "4294967295", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF", 5, DATA_UNSIGNED, - buf, sizeof(buf), 14, "1099511627775", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF", 6, DATA_UNSIGNED, - buf, sizeof(buf), 16, "281474976710655", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 7, DATA_UNSIGNED, - buf, sizeof(buf), 18, "72057594037927935", 0); - - CALL_AND_TEST("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8, DATA_UNSIGNED, - buf, sizeof(buf), 21, "18446744073709551615", 0); - - /* some random values */ - - CALL_AND_TEST("\x52", 1, 0, - buf, sizeof(buf), 4, "-46", 0); - - CALL_AND_TEST("\x0E", 1, DATA_UNSIGNED, - buf, sizeof(buf), 3, "14", 0); - - CALL_AND_TEST("\x62\xCE", 2, 0, - buf, sizeof(buf), 6, "-7474", 0); - - CALL_AND_TEST("\x29\xD6", 2, DATA_UNSIGNED, - buf, sizeof(buf), 6, "10710", 0); - - CALL_AND_TEST("\x7F\xFF\x90", 3, 0, - buf, sizeof(buf), 5, "-112", 0); - - CALL_AND_TEST("\x00\xA1\x16", 3, DATA_UNSIGNED, - buf, sizeof(buf), 6, "41238", 0); - - CALL_AND_TEST("\x7F\xFF\xFF\xF7", 4, 0, - buf, sizeof(buf), 3, "-9", 0); - - CALL_AND_TEST("\x00\x00\x00\x5C", 4, DATA_UNSIGNED, - buf, sizeof(buf), 3, "92", 0); - - CALL_AND_TEST("\x7F\xFF\xFF\xFF\xFF\xFF\xDC\x63", 8, 0, - buf, sizeof(buf), 6, "-9117", 0); - - CALL_AND_TEST("\x00\x00\x00\x00\x00\x01\x64\x62", 8, DATA_UNSIGNED, - buf, sizeof(buf), 6, "91234", 0); -#endif - - /* speed test */ - - speedo_t speedo; - ulint i; - - speedo_reset(&speedo); - - for (i = 0; i < 1000000; i++) { - row_raw_format_int("\x23", 1, - 0, buf, sizeof(buf), - &format_in_hex); - row_raw_format_int("\x23", 1, - DATA_UNSIGNED, buf, sizeof(buf), - &format_in_hex); - - row_raw_format_int("\x00\x00\x00\x00\x00\x01\x64\x62", 8, - 0, buf, sizeof(buf), - &format_in_hex); - row_raw_format_int("\x00\x00\x00\x00\x00\x01\x64\x62", 8, - DATA_UNSIGNED, buf, sizeof(buf), - &format_in_hex); - } - - speedo_show(&speedo); -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/row/row0sel.c b/perfschema/row/row0sel.c deleted file mode 100644 index 78318bf6461..00000000000 --- a/perfschema/row/row0sel.c +++ /dev/null @@ -1,4725 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************//** -@file row/row0sel.c -Select - -Created 12/19/1997 Heikki Tuuri -*******************************************************/ - -#include "row0sel.h" - -#ifdef UNIV_NONINL -#include "row0sel.ic" -#endif - -#include "dict0dict.h" -#include "dict0boot.h" -#include "trx0undo.h" -#include "trx0trx.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "btr0sea.h" -#include "mach0data.h" -#include "que0que.h" -#include "row0upd.h" -#include "row0row.h" -#include "row0vers.h" -#include "rem0cmp.h" -#include "lock0lock.h" -#include "eval0eval.h" -#include "pars0sym.h" -#include "pars0pars.h" -#include "row0mysql.h" -#include "read0read.h" -#include "buf0lru.h" -#include "ha_prototypes.h" - -/* Maximum number of rows to prefetch; MySQL interface has another parameter */ -#define SEL_MAX_N_PREFETCH 16 - -/* Number of rows fetched, after which to start prefetching; MySQL interface -has another parameter */ -#define SEL_PREFETCH_LIMIT 1 - -/* When a select has accessed about this many pages, it returns control back -to que_run_threads: this is to allow canceling runaway queries */ - -#define SEL_COST_LIMIT 100 - -/* Flags for search shortcut */ -#define SEL_FOUND 0 -#define SEL_EXHAUSTED 1 -#define SEL_RETRY 2 - -/********************************************************************//** -Returns TRUE if the user-defined column in a secondary index record -is alphabetically the same as the corresponding BLOB column in the clustered -index record. -NOTE: the comparison is NOT done as a binary comparison, but character -fields are compared with collation! -@return TRUE if the columns are equal */ -static -ibool -row_sel_sec_rec_is_for_blob( -/*========================*/ - ulint mtype, /*!< in: main type */ - ulint prtype, /*!< in: precise type */ - ulint mbminlen, /*!< in: minimum length of a - multi-byte character */ - ulint mbmaxlen, /*!< in: maximum length of a - multi-byte character */ - const byte* clust_field, /*!< in: the locally stored part of - the clustered index column, including - the BLOB pointer; the clustered - index record must be covered by - a lock or a page latch to protect it - against deletion (rollback or purge) */ - ulint clust_len, /*!< in: length of clust_field */ - const byte* sec_field, /*!< in: column in secondary index */ - ulint sec_len, /*!< in: length of sec_field */ - ulint zip_size) /*!< in: compressed page size, or 0 */ -{ - ulint len; - byte buf[DICT_MAX_INDEX_COL_LEN]; - - len = btr_copy_externally_stored_field_prefix(buf, sizeof buf, - zip_size, - clust_field, clust_len); - - if (UNIV_UNLIKELY(len == 0)) { - /* The BLOB was being deleted as the server crashed. - There should not be any secondary index records - referring to this clustered index record, because - btr_free_externally_stored_field() is called after all - secondary index entries of the row have been purged. */ - return(FALSE); - } - - len = dtype_get_at_most_n_mbchars(prtype, mbminlen, mbmaxlen, - sec_len, len, (const char*) buf); - - return(!cmp_data_data(mtype, prtype, buf, len, sec_field, sec_len)); -} - -/********************************************************************//** -Returns TRUE if the user-defined column values in a secondary index record -are alphabetically the same as the corresponding columns in the clustered -index record. -NOTE: the comparison is NOT done as a binary comparison, but character -fields are compared with collation! -@return TRUE if the secondary record is equal to the corresponding -fields in the clustered record, when compared with collation; -FALSE if not equal or if the clustered record has been marked for deletion */ -static -ibool -row_sel_sec_rec_is_for_clust_rec( -/*=============================*/ - const rec_t* sec_rec, /*!< in: secondary index record */ - dict_index_t* sec_index, /*!< in: secondary index */ - const rec_t* clust_rec, /*!< in: clustered index record; - must be protected by a lock or - a page latch against deletion - in rollback or purge */ - dict_index_t* clust_index) /*!< in: clustered index */ -{ - const byte* sec_field; - ulint sec_len; - const byte* clust_field; - ulint n; - ulint i; - mem_heap_t* heap = NULL; - ulint clust_offsets_[REC_OFFS_NORMAL_SIZE]; - ulint sec_offsets_[REC_OFFS_SMALL_SIZE]; - ulint* clust_offs = clust_offsets_; - ulint* sec_offs = sec_offsets_; - ibool is_equal = TRUE; - - rec_offs_init(clust_offsets_); - rec_offs_init(sec_offsets_); - - if (rec_get_deleted_flag(clust_rec, - dict_table_is_comp(clust_index->table))) { - - /* The clustered index record is delete-marked; - it is not visible in the read view. Besides, - if there are any externally stored columns, - some of them may have already been purged. */ - return(FALSE); - } - - clust_offs = rec_get_offsets(clust_rec, clust_index, clust_offs, - ULINT_UNDEFINED, &heap); - sec_offs = rec_get_offsets(sec_rec, sec_index, sec_offs, - ULINT_UNDEFINED, &heap); - - n = dict_index_get_n_ordering_defined_by_user(sec_index); - - for (i = 0; i < n; i++) { - const dict_field_t* ifield; - const dict_col_t* col; - ulint clust_pos; - ulint clust_len; - ulint len; - - ifield = dict_index_get_nth_field(sec_index, i); - col = dict_field_get_col(ifield); - clust_pos = dict_col_get_clust_pos(col, clust_index); - - clust_field = rec_get_nth_field( - clust_rec, clust_offs, clust_pos, &clust_len); - sec_field = rec_get_nth_field(sec_rec, sec_offs, i, &sec_len); - - len = clust_len; - - if (ifield->prefix_len > 0 && len != UNIV_SQL_NULL) { - - if (rec_offs_nth_extern(clust_offs, clust_pos)) { - len -= BTR_EXTERN_FIELD_REF_SIZE; - } - - len = dtype_get_at_most_n_mbchars( - col->prtype, col->mbminlen, col->mbmaxlen, - ifield->prefix_len, len, (char*) clust_field); - - if (rec_offs_nth_extern(clust_offs, clust_pos) - && len < sec_len) { - if (!row_sel_sec_rec_is_for_blob( - col->mtype, col->prtype, - col->mbminlen, col->mbmaxlen, - clust_field, clust_len, - sec_field, sec_len, - dict_table_zip_size( - clust_index->table))) { - goto inequal; - } - - continue; - } - } - - if (0 != cmp_data_data(col->mtype, col->prtype, - clust_field, len, - sec_field, sec_len)) { -inequal: - is_equal = FALSE; - goto func_exit; - } - } - -func_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(is_equal); -} - -/*********************************************************************//** -Creates a select node struct. -@return own: select node struct */ -UNIV_INTERN -sel_node_t* -sel_node_create( -/*============*/ - mem_heap_t* heap) /*!< in: memory heap where created */ -{ - sel_node_t* node; - - node = mem_heap_alloc(heap, sizeof(sel_node_t)); - node->common.type = QUE_NODE_SELECT; - node->state = SEL_NODE_OPEN; - - node->plans = NULL; - - return(node); -} - -/*********************************************************************//** -Frees the memory private to a select node when a query graph is freed, -does not free the heap where the node was originally created. */ -UNIV_INTERN -void -sel_node_free_private( -/*==================*/ - sel_node_t* node) /*!< in: select node struct */ -{ - ulint i; - plan_t* plan; - - if (node->plans != NULL) { - for (i = 0; i < node->n_tables; i++) { - plan = sel_node_get_nth_plan(node, i); - - btr_pcur_close(&(plan->pcur)); - btr_pcur_close(&(plan->clust_pcur)); - - if (plan->old_vers_heap) { - mem_heap_free(plan->old_vers_heap); - } - } - } -} - -/*********************************************************************//** -Evaluates the values in a select list. If there are aggregate functions, -their argument value is added to the aggregate total. */ -UNIV_INLINE -void -sel_eval_select_list( -/*=================*/ - sel_node_t* node) /*!< in: select node */ -{ - que_node_t* exp; - - exp = node->select_list; - - while (exp) { - eval_exp(exp); - - exp = que_node_get_next(exp); - } -} - -/*********************************************************************//** -Assigns the values in the select list to the possible into-variables in -SELECT ... INTO ... */ -UNIV_INLINE -void -sel_assign_into_var_values( -/*=======================*/ - sym_node_t* var, /*!< in: first variable in a list of variables */ - sel_node_t* node) /*!< in: select node */ -{ - que_node_t* exp; - - if (var == NULL) { - - return; - } - - exp = node->select_list; - - while (var) { - ut_ad(exp); - - eval_node_copy_val(var->alias, exp); - - exp = que_node_get_next(exp); - var = que_node_get_next(var); - } -} - -/*********************************************************************//** -Resets the aggregate value totals in the select list of an aggregate type -query. */ -UNIV_INLINE -void -sel_reset_aggregate_vals( -/*=====================*/ - sel_node_t* node) /*!< in: select node */ -{ - func_node_t* func_node; - - ut_ad(node->is_aggregate); - - func_node = node->select_list; - - while (func_node) { - eval_node_set_int_val(func_node, 0); - - func_node = que_node_get_next(func_node); - } - - node->aggregate_already_fetched = FALSE; -} - -/*********************************************************************//** -Copies the input variable values when an explicit cursor is opened. */ -UNIV_INLINE -void -row_sel_copy_input_variable_vals( -/*=============================*/ - sel_node_t* node) /*!< in: select node */ -{ - sym_node_t* var; - - var = UT_LIST_GET_FIRST(node->copy_variables); - - while (var) { - eval_node_copy_val(var, var->alias); - - var->indirection = NULL; - - var = UT_LIST_GET_NEXT(col_var_list, var); - } -} - -/*********************************************************************//** -Fetches the column values from a record. */ -static -void -row_sel_fetch_columns( -/*==================*/ - dict_index_t* index, /*!< in: record index */ - const rec_t* rec, /*!< in: record in a clustered or non-clustered - index; must be protected by a page latch */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - sym_node_t* column) /*!< in: first column in a column list, or - NULL */ -{ - dfield_t* val; - ulint index_type; - ulint field_no; - const byte* data; - ulint len; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (dict_index_is_clust(index)) { - index_type = SYM_CLUST_FIELD_NO; - } else { - index_type = SYM_SEC_FIELD_NO; - } - - while (column) { - mem_heap_t* heap = NULL; - ibool needs_copy; - - field_no = column->field_nos[index_type]; - - if (field_no != ULINT_UNDEFINED) { - - if (UNIV_UNLIKELY(rec_offs_nth_extern(offsets, - field_no))) { - - /* Copy an externally stored field to the - temporary heap */ - - heap = mem_heap_create(1); - - data = btr_rec_copy_externally_stored_field( - rec, offsets, - dict_table_zip_size(index->table), - field_no, &len, heap); - - ut_a(len != UNIV_SQL_NULL); - - needs_copy = TRUE; - } else { - data = rec_get_nth_field(rec, offsets, - field_no, &len); - - needs_copy = column->copy_val; - } - - if (needs_copy) { - eval_node_copy_and_alloc_val(column, data, - len); - } else { - val = que_node_get_val(column); - dfield_set_data(val, data, len); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - column = UT_LIST_GET_NEXT(col_var_list, column); - } -} - -/*********************************************************************//** -Allocates a prefetch buffer for a column when prefetch is first time done. */ -static -void -sel_col_prefetch_buf_alloc( -/*=======================*/ - sym_node_t* column) /*!< in: symbol table node for a column */ -{ - sel_buf_t* sel_buf; - ulint i; - - ut_ad(que_node_get_type(column) == QUE_NODE_SYMBOL); - - column->prefetch_buf = mem_alloc(SEL_MAX_N_PREFETCH - * sizeof(sel_buf_t)); - for (i = 0; i < SEL_MAX_N_PREFETCH; i++) { - sel_buf = column->prefetch_buf + i; - - sel_buf->data = NULL; - - sel_buf->val_buf_size = 0; - } -} - -/*********************************************************************//** -Frees a prefetch buffer for a column, including the dynamically allocated -memory for data stored there. */ -UNIV_INTERN -void -sel_col_prefetch_buf_free( -/*======================*/ - sel_buf_t* prefetch_buf) /*!< in, own: prefetch buffer */ -{ - sel_buf_t* sel_buf; - ulint i; - - for (i = 0; i < SEL_MAX_N_PREFETCH; i++) { - sel_buf = prefetch_buf + i; - - if (sel_buf->val_buf_size > 0) { - - mem_free(sel_buf->data); - } - } -} - -/*********************************************************************//** -Pops the column values for a prefetched, cached row from the column prefetch -buffers and places them to the val fields in the column nodes. */ -static -void -sel_pop_prefetched_row( -/*===================*/ - plan_t* plan) /*!< in: plan node for a table */ -{ - sym_node_t* column; - sel_buf_t* sel_buf; - dfield_t* val; - byte* data; - ulint len; - ulint val_buf_size; - - ut_ad(plan->n_rows_prefetched > 0); - - column = UT_LIST_GET_FIRST(plan->columns); - - while (column) { - val = que_node_get_val(column); - - if (!column->copy_val) { - /* We did not really push any value for the - column */ - - ut_ad(!column->prefetch_buf); - ut_ad(que_node_get_val_buf_size(column) == 0); - ut_d(dfield_set_null(val)); - - goto next_col; - } - - ut_ad(column->prefetch_buf); - ut_ad(!dfield_is_ext(val)); - - sel_buf = column->prefetch_buf + plan->first_prefetched; - - data = sel_buf->data; - len = sel_buf->len; - val_buf_size = sel_buf->val_buf_size; - - /* We must keep track of the allocated memory for - column values to be able to free it later: therefore - we swap the values for sel_buf and val */ - - sel_buf->data = dfield_get_data(val); - sel_buf->len = dfield_get_len(val); - sel_buf->val_buf_size = que_node_get_val_buf_size(column); - - dfield_set_data(val, data, len); - que_node_set_val_buf_size(column, val_buf_size); -next_col: - column = UT_LIST_GET_NEXT(col_var_list, column); - } - - plan->n_rows_prefetched--; - - plan->first_prefetched++; -} - -/*********************************************************************//** -Pushes the column values for a prefetched, cached row to the column prefetch -buffers from the val fields in the column nodes. */ -UNIV_INLINE -void -sel_push_prefetched_row( -/*====================*/ - plan_t* plan) /*!< in: plan node for a table */ -{ - sym_node_t* column; - sel_buf_t* sel_buf; - dfield_t* val; - byte* data; - ulint len; - ulint pos; - ulint val_buf_size; - - if (plan->n_rows_prefetched == 0) { - pos = 0; - plan->first_prefetched = 0; - } else { - pos = plan->n_rows_prefetched; - - /* We have the convention that pushing new rows starts only - after the prefetch stack has been emptied: */ - - ut_ad(plan->first_prefetched == 0); - } - - plan->n_rows_prefetched++; - - ut_ad(pos < SEL_MAX_N_PREFETCH); - - column = UT_LIST_GET_FIRST(plan->columns); - - while (column) { - if (!column->copy_val) { - /* There is no sense to push pointers to database - page fields when we do not keep latch on the page! */ - - goto next_col; - } - - if (!column->prefetch_buf) { - /* Allocate a new prefetch buffer */ - - sel_col_prefetch_buf_alloc(column); - } - - sel_buf = column->prefetch_buf + pos; - - val = que_node_get_val(column); - - data = dfield_get_data(val); - len = dfield_get_len(val); - val_buf_size = que_node_get_val_buf_size(column); - - /* We must keep track of the allocated memory for - column values to be able to free it later: therefore - we swap the values for sel_buf and val */ - - dfield_set_data(val, sel_buf->data, sel_buf->len); - que_node_set_val_buf_size(column, sel_buf->val_buf_size); - - sel_buf->data = data; - sel_buf->len = len; - sel_buf->val_buf_size = val_buf_size; -next_col: - column = UT_LIST_GET_NEXT(col_var_list, column); - } -} - -/*********************************************************************//** -Builds a previous version of a clustered index record for a consistent read -@return DB_SUCCESS or error code */ -static -ulint -row_sel_build_prev_vers( -/*====================*/ - read_view_t* read_view, /*!< in: read view */ - dict_index_t* index, /*!< in: plan node for table */ - rec_t* rec, /*!< in: record in a clustered index */ - ulint** offsets, /*!< in/out: offsets returned by - rec_get_offsets(rec, plan->index) */ - mem_heap_t** offset_heap, /*!< in/out: memory heap from which - the offsets are allocated */ - mem_heap_t** old_vers_heap, /*!< out: old version heap to use */ - rec_t** old_vers, /*!< out: old version, or NULL if the - record does not exist in the view: - i.e., it was freshly inserted - afterwards */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint err; - - if (*old_vers_heap) { - mem_heap_empty(*old_vers_heap); - } else { - *old_vers_heap = mem_heap_create(512); - } - - err = row_vers_build_for_consistent_read( - rec, mtr, index, offsets, read_view, offset_heap, - *old_vers_heap, old_vers); - return(err); -} - -/*********************************************************************//** -Builds the last committed version of a clustered index record for a -semi-consistent read. -@return DB_SUCCESS or error code */ -static -ulint -row_sel_build_committed_vers_for_mysql( -/*===================================*/ - dict_index_t* clust_index, /*!< in: clustered index */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ - const rec_t* rec, /*!< in: record in a clustered index */ - ulint** offsets, /*!< in/out: offsets returned by - rec_get_offsets(rec, clust_index) */ - mem_heap_t** offset_heap, /*!< in/out: memory heap from which - the offsets are allocated */ - const rec_t** old_vers, /*!< out: old version, or NULL if the - record does not exist in the view: - i.e., it was freshly inserted - afterwards */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint err; - - if (prebuilt->old_vers_heap) { - mem_heap_empty(prebuilt->old_vers_heap); - } else { - prebuilt->old_vers_heap = mem_heap_create(200); - } - - err = row_vers_build_for_semi_consistent_read( - rec, mtr, clust_index, offsets, offset_heap, - prebuilt->old_vers_heap, old_vers); - return(err); -} - -/*********************************************************************//** -Tests the conditions which determine when the index segment we are searching -through has been exhausted. -@return TRUE if row passed the tests */ -UNIV_INLINE -ibool -row_sel_test_end_conds( -/*===================*/ - plan_t* plan) /*!< in: plan for the table; the column values must - already have been retrieved and the right sides of - comparisons evaluated */ -{ - func_node_t* cond; - - /* All conditions in end_conds are comparisons of a column to an - expression */ - - cond = UT_LIST_GET_FIRST(plan->end_conds); - - while (cond) { - /* Evaluate the left side of the comparison, i.e., get the - column value if there is an indirection */ - - eval_sym(cond->args); - - /* Do the comparison */ - - if (!eval_cmp(cond)) { - - return(FALSE); - } - - cond = UT_LIST_GET_NEXT(cond_list, cond); - } - - return(TRUE); -} - -/*********************************************************************//** -Tests the other conditions. -@return TRUE if row passed the tests */ -UNIV_INLINE -ibool -row_sel_test_other_conds( -/*=====================*/ - plan_t* plan) /*!< in: plan for the table; the column values must - already have been retrieved */ -{ - func_node_t* cond; - - cond = UT_LIST_GET_FIRST(plan->other_conds); - - while (cond) { - eval_exp(cond); - - if (!eval_node_get_ibool_val(cond)) { - - return(FALSE); - } - - cond = UT_LIST_GET_NEXT(cond_list, cond); - } - - return(TRUE); -} - -/*********************************************************************//** -Retrieves the clustered index record corresponding to a record in a -non-clustered index. Does the necessary locking. -@return DB_SUCCESS or error code */ -static -ulint -row_sel_get_clust_rec( -/*==================*/ - sel_node_t* node, /*!< in: select_node */ - plan_t* plan, /*!< in: plan node for table */ - rec_t* rec, /*!< in: record in a non-clustered index */ - que_thr_t* thr, /*!< in: query thread */ - rec_t** out_rec,/*!< out: clustered record or an old version of - it, NULL if the old version did not exist - in the read view, i.e., it was a fresh - inserted version */ - mtr_t* mtr) /*!< in: mtr used to get access to the - non-clustered record; the same mtr is used to - access the clustered index */ -{ - dict_index_t* index; - rec_t* clust_rec; - rec_t* old_vers; - ulint err; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - *out_rec = NULL; - - offsets = rec_get_offsets(rec, - btr_pcur_get_btr_cur(&plan->pcur)->index, - offsets, ULINT_UNDEFINED, &heap); - - row_build_row_ref_fast(plan->clust_ref, plan->clust_map, rec, offsets); - - index = dict_table_get_first_index(plan->table); - - btr_pcur_open_with_no_init(index, plan->clust_ref, PAGE_CUR_LE, - BTR_SEARCH_LEAF, &plan->clust_pcur, - 0, mtr); - - clust_rec = btr_pcur_get_rec(&(plan->clust_pcur)); - - /* Note: only if the search ends up on a non-infimum record is the - low_match value the real match to the search tuple */ - - if (!page_rec_is_user_rec(clust_rec) - || btr_pcur_get_low_match(&(plan->clust_pcur)) - < dict_index_get_n_unique(index)) { - - ut_a(rec_get_deleted_flag(rec, - dict_table_is_comp(plan->table))); - ut_a(node->read_view); - - /* In a rare case it is possible that no clust rec is found - for a delete-marked secondary index record: if in row0umod.c - in row_undo_mod_remove_clust_low() we have already removed - the clust rec, while purge is still cleaning and removing - secondary index records associated with earlier versions of - the clustered index record. In that case we know that the - clustered index record did not exist in the read view of - trx. */ - - goto func_exit; - } - - offsets = rec_get_offsets(clust_rec, index, offsets, - ULINT_UNDEFINED, &heap); - - if (!node->read_view) { - /* Try to place a lock on the index record */ - - /* If innodb_locks_unsafe_for_binlog option is used - or this session is using READ COMMITTED isolation level - we lock only the record, i.e., next-key locking is - not used. */ - ulint lock_type; - trx_t* trx; - - trx = thr_get_trx(thr); - - if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { - lock_type = LOCK_REC_NOT_GAP; - } else { - lock_type = LOCK_ORDINARY; - } - - err = lock_clust_rec_read_check_and_lock( - 0, btr_pcur_get_block(&plan->clust_pcur), - clust_rec, index, offsets, - node->row_lock_mode, lock_type, thr); - - if (err != DB_SUCCESS) { - - goto err_exit; - } - } else { - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - old_vers = NULL; - - if (!lock_clust_rec_cons_read_sees(clust_rec, index, offsets, - node->read_view)) { - - err = row_sel_build_prev_vers( - node->read_view, index, clust_rec, - &offsets, &heap, &plan->old_vers_heap, - &old_vers, mtr); - - if (err != DB_SUCCESS) { - - goto err_exit; - } - - clust_rec = old_vers; - - if (clust_rec == NULL) { - goto func_exit; - } - } - - /* If we had to go to an earlier version of row or the - secondary index record is delete marked, then it may be that - the secondary index record corresponding to clust_rec - (or old_vers) is not rec; in that case we must ignore - such row because in our snapshot rec would not have existed. - Remember that from rec we cannot see directly which transaction - id corresponds to it: we have to go to the clustered index - record. A query where we want to fetch all rows where - the secondary index value is in some interval would return - a wrong result if we would not drop rows which we come to - visit through secondary index records that would not really - exist in our snapshot. */ - - if ((old_vers - || rec_get_deleted_flag(rec, dict_table_is_comp( - plan->table))) - && !row_sel_sec_rec_is_for_clust_rec(rec, plan->index, - clust_rec, index)) { - goto func_exit; - } - } - - /* Fetch the columns needed in test conditions. The clustered - index record is protected by a page latch that was acquired - when plan->clust_pcur was positioned. The latch will not be - released until mtr_commit(mtr). */ - - row_sel_fetch_columns(index, clust_rec, offsets, - UT_LIST_GET_FIRST(plan->columns)); - *out_rec = clust_rec; -func_exit: - err = DB_SUCCESS; -err_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/*********************************************************************//** -Sets a lock on a record. -@return DB_SUCCESS or error code */ -UNIV_INLINE -ulint -sel_set_rec_lock( -/*=============*/ - const buf_block_t* block, /*!< in: buffer block of rec */ - const rec_t* rec, /*!< in: record */ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - ulint mode, /*!< in: lock mode */ - ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or - LOC_REC_NOT_GAP */ - que_thr_t* thr) /*!< in: query thread */ -{ - trx_t* trx; - ulint err; - - trx = thr_get_trx(thr); - - if (UT_LIST_GET_LEN(trx->trx_locks) > 10000) { - if (buf_LRU_buf_pool_running_out()) { - - return(DB_LOCK_TABLE_FULL); - } - } - - if (dict_index_is_clust(index)) { - err = lock_clust_rec_read_check_and_lock( - 0, block, rec, index, offsets, mode, type, thr); - } else { - err = lock_sec_rec_read_check_and_lock( - 0, block, rec, index, offsets, mode, type, thr); - } - - return(err); -} - -/*********************************************************************//** -Opens a pcur to a table index. */ -static -void -row_sel_open_pcur( -/*==============*/ - plan_t* plan, /*!< in: table plan */ - ibool search_latch_locked, - /*!< in: TRUE if the thread currently - has the search latch locked in - s-mode */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - func_node_t* cond; - que_node_t* exp; - ulint n_fields; - ulint has_search_latch = 0; /* RW_S_LATCH or 0 */ - ulint i; - - if (search_latch_locked) { - has_search_latch = RW_S_LATCH; - } - - index = plan->index; - - /* Calculate the value of the search tuple: the exact match columns - get their expressions evaluated when we evaluate the right sides of - end_conds */ - - cond = UT_LIST_GET_FIRST(plan->end_conds); - - while (cond) { - eval_exp(que_node_get_next(cond->args)); - - cond = UT_LIST_GET_NEXT(cond_list, cond); - } - - if (plan->tuple) { - n_fields = dtuple_get_n_fields(plan->tuple); - - if (plan->n_exact_match < n_fields) { - /* There is a non-exact match field which must be - evaluated separately */ - - eval_exp(plan->tuple_exps[n_fields - 1]); - } - - for (i = 0; i < n_fields; i++) { - exp = plan->tuple_exps[i]; - - dfield_copy_data(dtuple_get_nth_field(plan->tuple, i), - que_node_get_val(exp)); - } - - /* Open pcur to the index */ - - btr_pcur_open_with_no_init(index, plan->tuple, plan->mode, - BTR_SEARCH_LEAF, &plan->pcur, - has_search_latch, mtr); - } else { - /* Open the cursor to the start or the end of the index - (FALSE: no init) */ - - btr_pcur_open_at_index_side(plan->asc, index, BTR_SEARCH_LEAF, - &(plan->pcur), FALSE, mtr); - } - - ut_ad(plan->n_rows_prefetched == 0); - ut_ad(plan->n_rows_fetched == 0); - ut_ad(plan->cursor_at_end == FALSE); - - plan->pcur_is_open = TRUE; -} - -/*********************************************************************//** -Restores a stored pcur position to a table index. -@return TRUE if the cursor should be moved to the next record after we -return from this function (moved to the previous, in the case of a -descending cursor) without processing again the current cursor -record */ -static -ibool -row_sel_restore_pcur_pos( -/*=====================*/ - plan_t* plan, /*!< in: table plan */ - mtr_t* mtr) /*!< in: mtr */ -{ - ibool equal_position; - ulint relative_position; - - ut_ad(!plan->cursor_at_end); - - relative_position = btr_pcur_get_rel_pos(&(plan->pcur)); - - equal_position = btr_pcur_restore_position(BTR_SEARCH_LEAF, - &(plan->pcur), mtr); - - /* If the cursor is traveling upwards, and relative_position is - - (1) BTR_PCUR_BEFORE: this is not allowed, as we did not have a lock - yet on the successor of the page infimum; - (2) BTR_PCUR_AFTER: btr_pcur_restore_position placed the cursor on the - first record GREATER than the predecessor of a page supremum; we have - not yet processed the cursor record: no need to move the cursor to the - next record; - (3) BTR_PCUR_ON: btr_pcur_restore_position placed the cursor on the - last record LESS or EQUAL to the old stored user record; (a) if - equal_position is FALSE, this means that the cursor is now on a record - less than the old user record, and we must move to the next record; - (b) if equal_position is TRUE, then if - plan->stored_cursor_rec_processed is TRUE, we must move to the next - record, else there is no need to move the cursor. */ - - if (plan->asc) { - if (relative_position == BTR_PCUR_ON) { - - if (equal_position) { - - return(plan->stored_cursor_rec_processed); - } - - return(TRUE); - } - - ut_ad(relative_position == BTR_PCUR_AFTER - || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE); - - return(FALSE); - } - - /* If the cursor is traveling downwards, and relative_position is - - (1) BTR_PCUR_BEFORE: btr_pcur_restore_position placed the cursor on - the last record LESS than the successor of a page infimum; we have not - processed the cursor record: no need to move the cursor; - (2) BTR_PCUR_AFTER: btr_pcur_restore_position placed the cursor on the - first record GREATER than the predecessor of a page supremum; we have - processed the cursor record: we should move the cursor to the previous - record; - (3) BTR_PCUR_ON: btr_pcur_restore_position placed the cursor on the - last record LESS or EQUAL to the old stored user record; (a) if - equal_position is FALSE, this means that the cursor is now on a record - less than the old user record, and we need not move to the previous - record; (b) if equal_position is TRUE, then if - plan->stored_cursor_rec_processed is TRUE, we must move to the previous - record, else there is no need to move the cursor. */ - - if (relative_position == BTR_PCUR_BEFORE - || relative_position == BTR_PCUR_BEFORE_FIRST_IN_TREE) { - - return(FALSE); - } - - if (relative_position == BTR_PCUR_ON) { - - if (equal_position) { - - return(plan->stored_cursor_rec_processed); - } - - return(FALSE); - } - - ut_ad(relative_position == BTR_PCUR_AFTER - || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE); - - return(TRUE); -} - -/*********************************************************************//** -Resets a plan cursor to a closed state. */ -UNIV_INLINE -void -plan_reset_cursor( -/*==============*/ - plan_t* plan) /*!< in: plan */ -{ - plan->pcur_is_open = FALSE; - plan->cursor_at_end = FALSE; - plan->n_rows_fetched = 0; - plan->n_rows_prefetched = 0; -} - -/*********************************************************************//** -Tries to do a shortcut to fetch a clustered index record with a unique key, -using the hash index if possible (not always). -@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ -static -ulint -row_sel_try_search_shortcut( -/*========================*/ - sel_node_t* node, /*!< in: select node for a consistent read */ - plan_t* plan, /*!< in: plan for a unique search in clustered - index */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_index_t* index; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - ulint ret; - rec_offs_init(offsets_); - - index = plan->index; - - ut_ad(node->read_view); - ut_ad(plan->unique_search); - ut_ad(!plan->must_get_clust); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - row_sel_open_pcur(plan, TRUE, mtr); - - rec = btr_pcur_get_rec(&(plan->pcur)); - - if (!page_rec_is_user_rec(rec)) { - - return(SEL_RETRY); - } - - ut_ad(plan->mode == PAGE_CUR_GE); - - /* As the cursor is now placed on a user record after a search with - the mode PAGE_CUR_GE, the up_match field in the cursor tells how many - fields in the user record matched to the search tuple */ - - if (btr_pcur_get_up_match(&(plan->pcur)) < plan->n_exact_match) { - - return(SEL_EXHAUSTED); - } - - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - - if (dict_index_is_clust(index)) { - if (!lock_clust_rec_cons_read_sees(rec, index, offsets, - node->read_view)) { - ret = SEL_RETRY; - goto func_exit; - } - } else if (!lock_sec_rec_cons_read_sees(rec, node->read_view)) { - - ret = SEL_RETRY; - goto func_exit; - } - - /* Test the deleted flag. */ - - if (rec_get_deleted_flag(rec, dict_table_is_comp(plan->table))) { - - ret = SEL_EXHAUSTED; - goto func_exit; - } - - /* Fetch the columns needed in test conditions. The index - record is protected by a page latch that was acquired when - plan->pcur was positioned. The latch will not be released - until mtr_commit(mtr). */ - - row_sel_fetch_columns(index, rec, offsets, - UT_LIST_GET_FIRST(plan->columns)); - - /* Test the rest of search conditions */ - - if (!row_sel_test_other_conds(plan)) { - - ret = SEL_EXHAUSTED; - goto func_exit; - } - - ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); - - plan->n_rows_fetched++; - ret = SEL_FOUND; -func_exit: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(ret); -} - -/*********************************************************************//** -Performs a select step. -@return DB_SUCCESS or error code */ -static -ulint -row_sel( -/*====*/ - sel_node_t* node, /*!< in: select node */ - que_thr_t* thr) /*!< in: query thread */ -{ - dict_index_t* index; - plan_t* plan; - mtr_t mtr; - ibool moved; - rec_t* rec; - rec_t* old_vers; - rec_t* clust_rec; - ibool search_latch_locked; - ibool consistent_read; - - /* The following flag becomes TRUE when we are doing a - consistent read from a non-clustered index and we must look - at the clustered index to find out the previous delete mark - state of the non-clustered record: */ - - ibool cons_read_requires_clust_rec = FALSE; - ulint cost_counter = 0; - ibool cursor_just_opened; - ibool must_go_to_next; - ibool mtr_has_extra_clust_latch = FALSE; - /* TRUE if the search was made using - a non-clustered index, and we had to - access the clustered record: now &mtr - contains a clustered index latch, and - &mtr must be committed before we move - to the next non-clustered record */ - ulint found_flag; - ulint err; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_ad(thr->run_node == node); - - search_latch_locked = FALSE; - - if (node->read_view) { - /* In consistent reads, we try to do with the hash index and - not to use the buffer page get. This is to reduce memory bus - load resulting from semaphore operations. The search latch - will be s-locked when we access an index with a unique search - condition, but not locked when we access an index with a - less selective search condition. */ - - consistent_read = TRUE; - } else { - consistent_read = FALSE; - } - -table_loop: - /* TABLE LOOP - ---------- - This is the outer major loop in calculating a join. We come here when - node->fetch_table changes, and after adding a row to aggregate totals - and, of course, when this function is called. */ - - ut_ad(mtr_has_extra_clust_latch == FALSE); - - plan = sel_node_get_nth_plan(node, node->fetch_table); - index = plan->index; - - if (plan->n_rows_prefetched > 0) { - sel_pop_prefetched_row(plan); - - goto next_table_no_mtr; - } - - if (plan->cursor_at_end) { - /* The cursor has already reached the result set end: no more - rows to process for this table cursor, as also the prefetch - stack was empty */ - - ut_ad(plan->pcur_is_open); - - goto table_exhausted_no_mtr; - } - - /* Open a cursor to index, or restore an open cursor position */ - - mtr_start(&mtr); - - if (consistent_read && plan->unique_search && !plan->pcur_is_open - && !plan->must_get_clust - && !plan->table->big_rows) { - if (!search_latch_locked) { - rw_lock_s_lock(&btr_search_latch); - - search_latch_locked = TRUE; - } else if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_WAIT_EX) { - - /* There is an x-latch request waiting: release the - s-latch for a moment; as an s-latch here is often - kept for some 10 searches before being released, - a waiting x-latch request would block other threads - from acquiring an s-latch for a long time, lowering - performance significantly in multiprocessors. */ - - rw_lock_s_unlock(&btr_search_latch); - rw_lock_s_lock(&btr_search_latch); - } - - found_flag = row_sel_try_search_shortcut(node, plan, &mtr); - - if (found_flag == SEL_FOUND) { - - goto next_table; - - } else if (found_flag == SEL_EXHAUSTED) { - - goto table_exhausted; - } - - ut_ad(found_flag == SEL_RETRY); - - plan_reset_cursor(plan); - - mtr_commit(&mtr); - mtr_start(&mtr); - } - - if (search_latch_locked) { - rw_lock_s_unlock(&btr_search_latch); - - search_latch_locked = FALSE; - } - - if (!plan->pcur_is_open) { - /* Evaluate the expressions to build the search tuple and - open the cursor */ - - row_sel_open_pcur(plan, search_latch_locked, &mtr); - - cursor_just_opened = TRUE; - - /* A new search was made: increment the cost counter */ - cost_counter++; - } else { - /* Restore pcur position to the index */ - - must_go_to_next = row_sel_restore_pcur_pos(plan, &mtr); - - cursor_just_opened = FALSE; - - if (must_go_to_next) { - /* We have already processed the cursor record: move - to the next */ - - goto next_rec; - } - } - -rec_loop: - /* RECORD LOOP - ----------- - In this loop we use pcur and try to fetch a qualifying row, and - also fill the prefetch buffer for this table if n_rows_fetched has - exceeded a threshold. While we are inside this loop, the following - holds: - (1) &mtr is started, - (2) pcur is positioned and open. - - NOTE that if cursor_just_opened is TRUE here, it means that we came - to this point right after row_sel_open_pcur. */ - - ut_ad(mtr_has_extra_clust_latch == FALSE); - - rec = btr_pcur_get_rec(&(plan->pcur)); - - /* PHASE 1: Set a lock if specified */ - - if (!node->asc && cursor_just_opened - && !page_rec_is_supremum(rec)) { - - /* When we open a cursor for a descending search, we must set - a next-key lock on the successor record: otherwise it would - be possible to insert new records next to the cursor position, - and it might be that these new records should appear in the - search result set, resulting in the phantom problem. */ - - if (!consistent_read) { - - /* If innodb_locks_unsafe_for_binlog option is used - or this session is using READ COMMITTED isolation - level, we lock only the record, i.e., next-key - locking is not used. */ - - rec_t* next_rec = page_rec_get_next(rec); - ulint lock_type; - trx_t* trx; - - trx = thr_get_trx(thr); - - offsets = rec_get_offsets(next_rec, index, offsets, - ULINT_UNDEFINED, &heap); - - if (srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) { - - if (page_rec_is_supremum(next_rec)) { - - goto skip_lock; - } - - lock_type = LOCK_REC_NOT_GAP; - } else { - lock_type = LOCK_ORDINARY; - } - - err = sel_set_rec_lock(btr_pcur_get_block(&plan->pcur), - next_rec, index, offsets, - node->row_lock_mode, - lock_type, thr); - - if (err != DB_SUCCESS) { - /* Note that in this case we will store in pcur - the PREDECESSOR of the record we are waiting - the lock for */ - - goto lock_wait_or_error; - } - } - } - -skip_lock: - if (page_rec_is_infimum(rec)) { - - /* The infimum record on a page cannot be in the result set, - and neither can a record lock be placed on it: we skip such - a record. We also increment the cost counter as we may have - processed yet another page of index. */ - - cost_counter++; - - goto next_rec; - } - - if (!consistent_read) { - /* Try to place a lock on the index record */ - - /* If innodb_locks_unsafe_for_binlog option is used - or this session is using READ COMMITTED isolation level, - we lock only the record, i.e., next-key locking is - not used. */ - - ulint lock_type; - trx_t* trx; - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - - trx = thr_get_trx(thr); - - if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { - - if (page_rec_is_supremum(rec)) { - - goto next_rec; - } - - lock_type = LOCK_REC_NOT_GAP; - } else { - lock_type = LOCK_ORDINARY; - } - - err = sel_set_rec_lock(btr_pcur_get_block(&plan->pcur), - rec, index, offsets, - node->row_lock_mode, lock_type, thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - } - - if (page_rec_is_supremum(rec)) { - - /* A page supremum record cannot be in the result set: skip - it now when we have placed a possible lock on it */ - - goto next_rec; - } - - ut_ad(page_rec_is_user_rec(rec)); - - if (cost_counter > SEL_COST_LIMIT) { - - /* Now that we have placed the necessary locks, we can stop - for a while and store the cursor position; NOTE that if we - would store the cursor position BEFORE placing a record lock, - it might happen that the cursor would jump over some records - that another transaction could meanwhile insert adjacent to - the cursor: this would result in the phantom problem. */ - - goto stop_for_a_while; - } - - /* PHASE 2: Check a mixed index mix id if needed */ - - if (plan->unique_search && cursor_just_opened) { - - ut_ad(plan->mode == PAGE_CUR_GE); - - /* As the cursor is now placed on a user record after a search - with the mode PAGE_CUR_GE, the up_match field in the cursor - tells how many fields in the user record matched to the search - tuple */ - - if (btr_pcur_get_up_match(&(plan->pcur)) - < plan->n_exact_match) { - goto table_exhausted; - } - - /* Ok, no need to test end_conds or mix id */ - - } - - /* We are ready to look at a possible new index entry in the result - set: the cursor is now placed on a user record */ - - /* PHASE 3: Get previous version in a consistent read */ - - cons_read_requires_clust_rec = FALSE; - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - - if (consistent_read) { - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - if (dict_index_is_clust(index)) { - - if (!lock_clust_rec_cons_read_sees(rec, index, offsets, - node->read_view)) { - - err = row_sel_build_prev_vers( - node->read_view, index, rec, - &offsets, &heap, &plan->old_vers_heap, - &old_vers, &mtr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - - if (old_vers == NULL) { - offsets = rec_get_offsets( - rec, index, offsets, - ULINT_UNDEFINED, &heap); - - /* Fetch the columns needed in - test conditions. The clustered - index record is protected by a - page latch that was acquired - by row_sel_open_pcur() or - row_sel_restore_pcur_pos(). - The latch will not be released - until mtr_commit(mtr). */ - - row_sel_fetch_columns( - index, rec, offsets, - UT_LIST_GET_FIRST( - plan->columns)); - - if (!row_sel_test_end_conds(plan)) { - - goto table_exhausted; - } - - goto next_rec; - } - - rec = old_vers; - } - } else if (!lock_sec_rec_cons_read_sees(rec, - node->read_view)) { - cons_read_requires_clust_rec = TRUE; - } - } - - /* PHASE 4: Test search end conditions and deleted flag */ - - /* Fetch the columns needed in test conditions. The record is - protected by a page latch that was acquired by - row_sel_open_pcur() or row_sel_restore_pcur_pos(). The latch - will not be released until mtr_commit(mtr). */ - - row_sel_fetch_columns(index, rec, offsets, - UT_LIST_GET_FIRST(plan->columns)); - - /* Test the selection end conditions: these can only contain columns - which already are found in the index, even though the index might be - non-clustered */ - - if (plan->unique_search && cursor_just_opened) { - - /* No test necessary: the test was already made above */ - - } else if (!row_sel_test_end_conds(plan)) { - - goto table_exhausted; - } - - if (rec_get_deleted_flag(rec, dict_table_is_comp(plan->table)) - && !cons_read_requires_clust_rec) { - - /* The record is delete marked: we can skip it if this is - not a consistent read which might see an earlier version - of a non-clustered index record */ - - if (plan->unique_search) { - - goto table_exhausted; - } - - goto next_rec; - } - - /* PHASE 5: Get the clustered index record, if needed and if we did - not do the search using the clustered index */ - - if (plan->must_get_clust || cons_read_requires_clust_rec) { - - /* It was a non-clustered index and we must fetch also the - clustered index record */ - - err = row_sel_get_clust_rec(node, plan, rec, thr, &clust_rec, - &mtr); - mtr_has_extra_clust_latch = TRUE; - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - - /* Retrieving the clustered record required a search: - increment the cost counter */ - - cost_counter++; - - if (clust_rec == NULL) { - /* The record did not exist in the read view */ - ut_ad(consistent_read); - - goto next_rec; - } - - if (rec_get_deleted_flag(clust_rec, - dict_table_is_comp(plan->table))) { - - /* The record is delete marked: we can skip it */ - - goto next_rec; - } - - if (node->can_get_updated) { - - btr_pcur_store_position(&(plan->clust_pcur), &mtr); - } - } - - /* PHASE 6: Test the rest of search conditions */ - - if (!row_sel_test_other_conds(plan)) { - - if (plan->unique_search) { - - goto table_exhausted; - } - - goto next_rec; - } - - /* PHASE 7: We found a new qualifying row for the current table; push - the row if prefetch is on, or move to the next table in the join */ - - plan->n_rows_fetched++; - - ut_ad(plan->pcur.latch_mode == BTR_SEARCH_LEAF); - - if ((plan->n_rows_fetched <= SEL_PREFETCH_LIMIT) - || plan->unique_search || plan->no_prefetch - || plan->table->big_rows) { - - /* No prefetch in operation: go to the next table */ - - goto next_table; - } - - sel_push_prefetched_row(plan); - - if (plan->n_rows_prefetched == SEL_MAX_N_PREFETCH) { - - /* The prefetch buffer is now full */ - - sel_pop_prefetched_row(plan); - - goto next_table; - } - -next_rec: - ut_ad(!search_latch_locked); - - if (mtr_has_extra_clust_latch) { - - /* We must commit &mtr if we are moving to the next - non-clustered index record, because we could break the - latching order if we would access a different clustered - index page right away without releasing the previous. */ - - goto commit_mtr_for_a_while; - } - - if (node->asc) { - moved = btr_pcur_move_to_next(&(plan->pcur), &mtr); - } else { - moved = btr_pcur_move_to_prev(&(plan->pcur), &mtr); - } - - if (!moved) { - - goto table_exhausted; - } - - cursor_just_opened = FALSE; - - /* END OF RECORD LOOP - ------------------ */ - goto rec_loop; - -next_table: - /* We found a record which satisfies the conditions: we can move to - the next table or return a row in the result set */ - - ut_ad(btr_pcur_is_on_user_rec(&plan->pcur)); - - if (plan->unique_search && !node->can_get_updated) { - - plan->cursor_at_end = TRUE; - } else { - ut_ad(!search_latch_locked); - - plan->stored_cursor_rec_processed = TRUE; - - btr_pcur_store_position(&(plan->pcur), &mtr); - } - - mtr_commit(&mtr); - - mtr_has_extra_clust_latch = FALSE; - -next_table_no_mtr: - /* If we use 'goto' to this label, it means that the row was popped - from the prefetched rows stack, and &mtr is already committed */ - - if (node->fetch_table + 1 == node->n_tables) { - - sel_eval_select_list(node); - - if (node->is_aggregate) { - - goto table_loop; - } - - sel_assign_into_var_values(node->into_list, node); - - thr->run_node = que_node_get_parent(node); - - err = DB_SUCCESS; - goto func_exit; - } - - node->fetch_table++; - - /* When we move to the next table, we first reset the plan cursor: - we do not care about resetting it when we backtrack from a table */ - - plan_reset_cursor(sel_node_get_nth_plan(node, node->fetch_table)); - - goto table_loop; - -table_exhausted: - /* The table cursor pcur reached the result set end: backtrack to the - previous table in the join if we do not have cached prefetched rows */ - - plan->cursor_at_end = TRUE; - - mtr_commit(&mtr); - - mtr_has_extra_clust_latch = FALSE; - - if (plan->n_rows_prefetched > 0) { - /* The table became exhausted during a prefetch */ - - sel_pop_prefetched_row(plan); - - goto next_table_no_mtr; - } - -table_exhausted_no_mtr: - if (node->fetch_table == 0) { - err = DB_SUCCESS; - - if (node->is_aggregate && !node->aggregate_already_fetched) { - - node->aggregate_already_fetched = TRUE; - - sel_assign_into_var_values(node->into_list, node); - - thr->run_node = que_node_get_parent(node); - } else { - node->state = SEL_NODE_NO_MORE_ROWS; - - thr->run_node = que_node_get_parent(node); - } - - goto func_exit; - } - - node->fetch_table--; - - goto table_loop; - -stop_for_a_while: - /* Return control for a while to que_run_threads, so that runaway - queries can be canceled. NOTE that when we come here, we must, in a - locking read, have placed the necessary (possibly waiting request) - record lock on the cursor record or its successor: when we reposition - the cursor, this record lock guarantees that nobody can meanwhile have - inserted new records which should have appeared in the result set, - which would result in the phantom problem. */ - - ut_ad(!search_latch_locked); - - plan->stored_cursor_rec_processed = FALSE; - btr_pcur_store_position(&(plan->pcur), &mtr); - - mtr_commit(&mtr); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(sync_thread_levels_empty_gen(TRUE)); -#endif /* UNIV_SYNC_DEBUG */ - err = DB_SUCCESS; - goto func_exit; - -commit_mtr_for_a_while: - /* Stores the cursor position and commits &mtr; this is used if - &mtr may contain latches which would break the latching order if - &mtr would not be committed and the latches released. */ - - plan->stored_cursor_rec_processed = TRUE; - - ut_ad(!search_latch_locked); - btr_pcur_store_position(&(plan->pcur), &mtr); - - mtr_commit(&mtr); - - mtr_has_extra_clust_latch = FALSE; - -#ifdef UNIV_SYNC_DEBUG - ut_ad(sync_thread_levels_empty_gen(TRUE)); -#endif /* UNIV_SYNC_DEBUG */ - - goto table_loop; - -lock_wait_or_error: - /* See the note at stop_for_a_while: the same holds for this case */ - - ut_ad(!btr_pcur_is_before_first_on_page(&plan->pcur) || !node->asc); - ut_ad(!search_latch_locked); - - plan->stored_cursor_rec_processed = FALSE; - btr_pcur_store_position(&(plan->pcur), &mtr); - - mtr_commit(&mtr); - -#ifdef UNIV_SYNC_DEBUG - ut_ad(sync_thread_levels_empty_gen(TRUE)); -#endif /* UNIV_SYNC_DEBUG */ - -func_exit: - if (search_latch_locked) { - rw_lock_s_unlock(&btr_search_latch); - } - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); -} - -/**********************************************************************//** -Performs a select step. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_sel_step( -/*=========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint i_lock_mode; - sym_node_t* table_node; - sel_node_t* node; - ulint err; - - ut_ad(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_SELECT); - - /* If this is a new time this node is executed (or when execution - resumes after wait for a table intention lock), set intention locks - on the tables, or assign a read view */ - - if (node->into_list && (thr->prev_node == que_node_get_parent(node))) { - - node->state = SEL_NODE_OPEN; - } - - if (node->state == SEL_NODE_OPEN) { - - /* It may be that the current session has not yet started - its transaction, or it has been committed: */ - - trx_start_if_not_started(thr_get_trx(thr)); - - plan_reset_cursor(sel_node_get_nth_plan(node, 0)); - - if (node->consistent_read) { - /* Assign a read view for the query */ - node->read_view = trx_assign_read_view( - thr_get_trx(thr)); - } else { - if (node->set_x_locks) { - i_lock_mode = LOCK_IX; - } else { - i_lock_mode = LOCK_IS; - } - - table_node = node->table_list; - - while (table_node) { - err = lock_table(0, table_node->table, - i_lock_mode, thr); - if (err != DB_SUCCESS) { - thr_get_trx(thr)->error_state = err; - - return(NULL); - } - - table_node = que_node_get_next(table_node); - } - } - - /* If this is an explicit cursor, copy stored procedure - variable values, so that the values cannot change between - fetches (currently, we copy them also for non-explicit - cursors) */ - - if (node->explicit_cursor - && UT_LIST_GET_FIRST(node->copy_variables)) { - - row_sel_copy_input_variable_vals(node); - } - - node->state = SEL_NODE_FETCH; - node->fetch_table = 0; - - if (node->is_aggregate) { - /* Reset the aggregate total values */ - sel_reset_aggregate_vals(node); - } - } - - err = row_sel(node, thr); - - /* NOTE! if queries are parallelized, the following assignment may - have problems; the assignment should be made only if thr is the - only top-level thr in the graph: */ - - thr->graph->last_sel_node = node; - - if (err != DB_SUCCESS) { - thr_get_trx(thr)->error_state = err; - - return(NULL); - } - - return(thr); -} - -/**********************************************************************//** -Performs a fetch for a cursor. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -fetch_step( -/*=======*/ - que_thr_t* thr) /*!< in: query thread */ -{ - sel_node_t* sel_node; - fetch_node_t* node; - - ut_ad(thr); - - node = thr->run_node; - sel_node = node->cursor_def; - - ut_ad(que_node_get_type(node) == QUE_NODE_FETCH); - - if (thr->prev_node != que_node_get_parent(node)) { - - if (sel_node->state != SEL_NODE_NO_MORE_ROWS) { - - if (node->into_list) { - sel_assign_into_var_values(node->into_list, - sel_node); - } else { - void* ret = (*node->func->func)( - sel_node, node->func->arg); - - if (!ret) { - sel_node->state - = SEL_NODE_NO_MORE_ROWS; - } - } - } - - thr->run_node = que_node_get_parent(node); - - return(thr); - } - - /* Make the fetch node the parent of the cursor definition for - the time of the fetch, so that execution knows to return to this - fetch node after a row has been selected or we know that there is - no row left */ - - sel_node->common.parent = node; - - if (sel_node->state == SEL_NODE_CLOSED) { - fprintf(stderr, - "InnoDB: Error: fetch called on a closed cursor\n"); - - thr_get_trx(thr)->error_state = DB_ERROR; - - return(NULL); - } - - thr->run_node = sel_node; - - return(thr); -} - -/****************************************************************//** -Sample callback function for fetch that prints each row. -@return always returns non-NULL */ -UNIV_INTERN -void* -row_fetch_print( -/*============*/ - void* row, /*!< in: sel_node_t* */ - void* user_arg) /*!< in: not used */ -{ - sel_node_t* node = row; - que_node_t* exp; - ulint i = 0; - - UT_NOT_USED(user_arg); - - fprintf(stderr, "row_fetch_print: row %p\n", row); - - exp = node->select_list; - - while (exp) { - dfield_t* dfield = que_node_get_val(exp); - const dtype_t* type = dfield_get_type(dfield); - - fprintf(stderr, " column %lu:\n", (ulong)i); - - dtype_print(type); - putc('\n', stderr); - - if (dfield_get_len(dfield) != UNIV_SQL_NULL) { - ut_print_buf(stderr, dfield_get_data(dfield), - dfield_get_len(dfield)); - putc('\n', stderr); - } else { - fputs(" ;\n", stderr); - } - - exp = que_node_get_next(exp); - i++; - } - - return((void*)42); -} - -/***********************************************************//** -Prints a row in a select result. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_printf_step( -/*============*/ - que_thr_t* thr) /*!< in: query thread */ -{ - row_printf_node_t* node; - sel_node_t* sel_node; - que_node_t* arg; - - ut_ad(thr); - - node = thr->run_node; - - sel_node = node->sel_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_ROW_PRINTF); - - if (thr->prev_node == que_node_get_parent(node)) { - - /* Reset the cursor */ - sel_node->state = SEL_NODE_OPEN; - - /* Fetch next row to print */ - - thr->run_node = sel_node; - - return(thr); - } - - if (sel_node->state != SEL_NODE_FETCH) { - - ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); - - /* No more rows to print */ - - thr->run_node = que_node_get_parent(node); - - return(thr); - } - - arg = sel_node->select_list; - - while (arg) { - dfield_print_also_hex(que_node_get_val(arg)); - - fputs(" ::: ", stderr); - - arg = que_node_get_next(arg); - } - - putc('\n', stderr); - - /* Fetch next row to print */ - - thr->run_node = sel_node; - - return(thr); -} - -/****************************************************************//** -Converts a key value stored in MySQL format to an Innobase dtuple. The last -field of the key value may be just a prefix of a fixed length field: hence -the parameter key_len. But currently we do not allow search keys where the -last field is only a prefix of the full key field len and print a warning if -such appears. A counterpart of this function is -ha_innobase::store_key_val_for_row() in ha_innodb.cc. */ -UNIV_INTERN -void -row_sel_convert_mysql_key_to_innobase( -/*==================================*/ - dtuple_t* tuple, /*!< in/out: tuple where to build; - NOTE: we assume that the type info - in the tuple is already according - to index! */ - byte* buf, /*!< in: buffer to use in field - conversions */ - ulint buf_len, /*!< in: buffer length */ - dict_index_t* index, /*!< in: index of the key value */ - const byte* key_ptr, /*!< in: MySQL key value */ - ulint key_len, /*!< in: MySQL key value length */ - trx_t* trx) /*!< in: transaction */ -{ - byte* original_buf = buf; - const byte* original_key_ptr = key_ptr; - dict_field_t* field; - dfield_t* dfield; - ulint data_offset; - ulint data_len; - ulint data_field_len; - ibool is_null; - const byte* key_end; - ulint n_fields = 0; - - /* For documentation of the key value storage format in MySQL, see - ha_innobase::store_key_val_for_row() in ha_innodb.cc. */ - - key_end = key_ptr + key_len; - - /* Permit us to access any field in the tuple (ULINT_MAX): */ - - dtuple_set_n_fields(tuple, ULINT_MAX); - - dfield = dtuple_get_nth_field(tuple, 0); - field = dict_index_get_nth_field(index, 0); - - if (UNIV_UNLIKELY(dfield_get_type(dfield)->mtype == DATA_SYS)) { - /* A special case: we are looking for a position in the - generated clustered index which InnoDB automatically added - to a table with no primary key: the first and the only - ordering column is ROW_ID which InnoDB stored to the key_ptr - buffer. */ - - ut_a(key_len == DATA_ROW_ID_LEN); - - dfield_set_data(dfield, key_ptr, DATA_ROW_ID_LEN); - - dtuple_set_n_fields(tuple, 1); - - return; - } - - while (key_ptr < key_end) { - - ulint type = dfield_get_type(dfield)->mtype; - ut_a(field->col->mtype == type); - - data_offset = 0; - is_null = FALSE; - - if (!(dfield_get_type(dfield)->prtype & DATA_NOT_NULL)) { - /* The first byte in the field tells if this is - an SQL NULL value */ - - data_offset = 1; - - if (*key_ptr != 0) { - dfield_set_null(dfield); - - is_null = TRUE; - } - } - - /* Calculate data length and data field total length */ - - if (type == DATA_BLOB) { - /* The key field is a column prefix of a BLOB or - TEXT */ - - ut_a(field->prefix_len > 0); - - /* MySQL stores the actual data length to the first 2 - bytes after the optional SQL NULL marker byte. The - storage format is little-endian, that is, the most - significant byte at a higher address. In UTF-8, MySQL - seems to reserve field->prefix_len bytes for - storing this field in the key value buffer, even - though the actual value only takes data_len bytes - from the start. */ - - data_len = key_ptr[data_offset] - + 256 * key_ptr[data_offset + 1]; - data_field_len = data_offset + 2 + field->prefix_len; - - data_offset += 2; - - /* Now that we know the length, we store the column - value like it would be a fixed char field */ - - } else if (field->prefix_len > 0) { - /* Looks like MySQL pads unused end bytes in the - prefix with space. Therefore, also in UTF-8, it is ok - to compare with a prefix containing full prefix_len - bytes, and no need to take at most prefix_len / 3 - UTF-8 characters from the start. - If the prefix is used as the upper end of a LIKE - 'abc%' query, then MySQL pads the end with chars - 0xff. TODO: in that case does it any harm to compare - with the full prefix_len bytes. How do characters - 0xff in UTF-8 behave? */ - - data_len = field->prefix_len; - data_field_len = data_offset + data_len; - } else { - data_len = dfield_get_type(dfield)->len; - data_field_len = data_offset + data_len; - } - - if (UNIV_UNLIKELY - (dtype_get_mysql_type(dfield_get_type(dfield)) - == DATA_MYSQL_TRUE_VARCHAR) - && UNIV_LIKELY(type != DATA_INT)) { - /* In a MySQL key value format, a true VARCHAR is - always preceded by 2 bytes of a length field. - dfield_get_type(dfield)->len returns the maximum - 'payload' len in bytes. That does not include the - 2 bytes that tell the actual data length. - - We added the check != DATA_INT to make sure we do - not treat MySQL ENUM or SET as a true VARCHAR! */ - - data_len += 2; - data_field_len += 2; - } - - /* Storing may use at most data_len bytes of buf */ - - if (UNIV_LIKELY(!is_null)) { - row_mysql_store_col_in_innobase_format( - dfield, buf, - FALSE, /* MySQL key value format col */ - key_ptr + data_offset, data_len, - dict_table_is_comp(index->table)); - buf += data_len; - } - - key_ptr += data_field_len; - - if (UNIV_UNLIKELY(key_ptr > key_end)) { - /* The last field in key was not a complete key field - but a prefix of it. - - Print a warning about this! HA_READ_PREFIX_LAST does - not currently work in InnoDB with partial-field key - value prefixes. Since MySQL currently uses a padding - trick to calculate LIKE 'abc%' type queries there - should never be partial-field prefixes in searches. */ - - ut_print_timestamp(stderr); - - fputs(" InnoDB: Warning: using a partial-field" - " key prefix in search.\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - fprintf(stderr, ". Last data field length %lu bytes,\n" - "InnoDB: key ptr now exceeds" - " key end by %lu bytes.\n" - "InnoDB: Key value in the MySQL format:\n", - (ulong) data_field_len, - (ulong) (key_ptr - key_end)); - fflush(stderr); - ut_print_buf(stderr, original_key_ptr, key_len); - putc('\n', stderr); - - if (!is_null) { - ulint len = dfield_get_len(dfield); - dfield_set_len(dfield, len - - (ulint) (key_ptr - key_end)); - } - } - - n_fields++; - field++; - dfield++; - } - - ut_a(buf <= original_buf + buf_len); - - /* We set the length of tuple to n_fields: we assume that the memory - area allocated for it is big enough (usually bigger than n_fields). */ - - dtuple_set_n_fields(tuple, n_fields); -} - -/**************************************************************//** -Stores the row id to the prebuilt struct. */ -static -void -row_sel_store_row_id_to_prebuilt( -/*=============================*/ - row_prebuilt_t* prebuilt, /*!< in/out: prebuilt */ - const rec_t* index_rec, /*!< in: record */ - const dict_index_t* index, /*!< in: index of the record */ - const ulint* offsets) /*!< in: rec_get_offsets - (index_rec, index) */ -{ - const byte* data; - ulint len; - - ut_ad(rec_offs_validate(index_rec, index, offsets)); - - data = rec_get_nth_field( - index_rec, offsets, - dict_index_get_sys_col_pos(index, DATA_ROW_ID), &len); - - if (UNIV_UNLIKELY(len != DATA_ROW_ID_LEN)) { - fprintf(stderr, - "InnoDB: Error: Row id field is" - " wrong length %lu in ", (ulong) len); - dict_index_name_print(stderr, prebuilt->trx, index); - fprintf(stderr, "\n" - "InnoDB: Field number %lu, record:\n", - (ulong) dict_index_get_sys_col_pos(index, - DATA_ROW_ID)); - rec_print_new(stderr, index_rec, offsets); - putc('\n', stderr); - ut_error; - } - - ut_memcpy(prebuilt->row_id, data, len); -} - -/**************************************************************//** -Stores a non-SQL-NULL field in the MySQL format. The counterpart of this -function is row_mysql_store_col_in_innobase_format() in row0mysql.c. */ -static -void -row_sel_field_store_in_mysql_format( -/*================================*/ - byte* dest, /*!< in/out: buffer where to store; NOTE - that BLOBs are not in themselves - stored here: the caller must allocate - and copy the BLOB into buffer before, - and pass the pointer to the BLOB in - 'data' */ - const mysql_row_templ_t* templ, - /*!< in: MySQL column template. - Its following fields are referenced: - type, is_unsigned, mysql_col_len, - mbminlen, mbmaxlen */ - const byte* data, /*!< in: data to store */ - ulint len) /*!< in: length of the data */ -{ - byte* ptr; - byte* field_end; - byte* pad_ptr; - - ut_ad(len != UNIV_SQL_NULL); - - switch (templ->type) { - case DATA_INT: - /* Convert integer data from Innobase to a little-endian - format, sign bit restored to normal */ - - ptr = dest + len; - - for (;;) { - ptr--; - *ptr = *data; - if (ptr == dest) { - break; - } - data++; - } - - if (!templ->is_unsigned) { - dest[len - 1] = (byte) (dest[len - 1] ^ 128); - } - - ut_ad(templ->mysql_col_len == len); - break; - - case DATA_VARCHAR: - case DATA_VARMYSQL: - case DATA_BINARY: - field_end = dest + templ->mysql_col_len; - - if (templ->mysql_type == DATA_MYSQL_TRUE_VARCHAR) { - /* This is a >= 5.0.3 type true VARCHAR. Store the - length of the data to the first byte or the first - two bytes of dest. */ - - dest = row_mysql_store_true_var_len( - dest, len, templ->mysql_length_bytes); - } - - /* Copy the actual data */ - ut_memcpy(dest, data, len); - - /* Pad with trailing spaces. We pad with spaces also the - unused end of a >= 5.0.3 true VARCHAR column, just in case - MySQL expects its contents to be deterministic. */ - - pad_ptr = dest + len; - - ut_ad(templ->mbminlen <= templ->mbmaxlen); - - /* We handle UCS2 charset strings differently. */ - if (templ->mbminlen == 2) { - /* A space char is two bytes, 0x0020 in UCS2 */ - - if (len & 1) { - /* A 0x20 has been stripped from the column. - Pad it back. */ - - if (pad_ptr < field_end) { - *pad_ptr = 0x20; - pad_ptr++; - } - } - - /* Pad the rest of the string with 0x0020 */ - - while (pad_ptr < field_end) { - *pad_ptr = 0x00; - pad_ptr++; - *pad_ptr = 0x20; - pad_ptr++; - } - } else { - ut_ad(templ->mbminlen == 1); - /* space=0x20 */ - - memset(pad_ptr, 0x20, field_end - pad_ptr); - } - break; - - case DATA_BLOB: - /* Store a pointer to the BLOB buffer to dest: the BLOB was - already copied to the buffer in row_sel_store_mysql_rec */ - - row_mysql_store_blob_ref(dest, templ->mysql_col_len, data, - len); - break; - - case DATA_MYSQL: - memcpy(dest, data, len); - - ut_ad(templ->mysql_col_len >= len); - ut_ad(templ->mbmaxlen >= templ->mbminlen); - - ut_ad(templ->mbmaxlen > templ->mbminlen - || templ->mysql_col_len == len); - /* The following assertion would fail for old tables - containing UTF-8 ENUM columns due to Bug #9526. */ - ut_ad(!templ->mbmaxlen - || !(templ->mysql_col_len % templ->mbmaxlen)); - ut_ad(len * templ->mbmaxlen >= templ->mysql_col_len); - - if (templ->mbminlen != templ->mbmaxlen) { - /* Pad with spaces. This undoes the stripping - done in row0mysql.ic, function - row_mysql_store_col_in_innobase_format(). */ - - memset(dest + len, 0x20, templ->mysql_col_len - len); - } - break; - - default: -#ifdef UNIV_DEBUG - case DATA_SYS_CHILD: - case DATA_SYS: - /* These column types should never be shipped to MySQL. */ - ut_ad(0); - - case DATA_CHAR: - case DATA_FIXBINARY: - case DATA_FLOAT: - case DATA_DOUBLE: - case DATA_DECIMAL: - /* Above are the valid column types for MySQL data. */ -#endif /* UNIV_DEBUG */ - ut_ad(templ->mysql_col_len == len); - memcpy(dest, data, len); - } -} - -/**************************************************************//** -Convert a row in the Innobase format to a row in the MySQL format. -Note that the template in prebuilt may advise us to copy only a few -columns to mysql_rec, other columns are left blank. All columns may not -be needed in the query. -@return TRUE if success, FALSE if could not allocate memory for a BLOB -(though we may also assert in that case) */ -static -ibool -row_sel_store_mysql_rec( -/*====================*/ - byte* mysql_rec, /*!< out: row in the MySQL format */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ - const rec_t* rec, /*!< in: Innobase record in the index - which was described in prebuilt's - template; must be protected by - a page latch */ - const ulint* offsets) /*!< in: array returned by - rec_get_offsets() */ -{ - mysql_row_templ_t* templ; - mem_heap_t* extern_field_heap = NULL; - mem_heap_t* heap; - const byte* data; - ulint len; - ulint i; - - ut_ad(prebuilt->mysql_template); - ut_ad(prebuilt->default_rec); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - if (UNIV_LIKELY_NULL(prebuilt->blob_heap)) { - mem_heap_free(prebuilt->blob_heap); - prebuilt->blob_heap = NULL; - } - - for (i = 0; i < prebuilt->n_template; i++) { - - templ = prebuilt->mysql_template + i; - - if (UNIV_UNLIKELY(rec_offs_nth_extern(offsets, - templ->rec_field_no))) { - - /* Copy an externally stored field to the temporary - heap */ - - ut_a(!prebuilt->trx->has_search_latch); - - if (UNIV_UNLIKELY(templ->type == DATA_BLOB)) { - if (prebuilt->blob_heap == NULL) { - prebuilt->blob_heap = mem_heap_create( - UNIV_PAGE_SIZE); - } - - heap = prebuilt->blob_heap; - } else { - extern_field_heap - = mem_heap_create(UNIV_PAGE_SIZE); - - heap = extern_field_heap; - } - - /* NOTE: if we are retrieving a big BLOB, we may - already run out of memory in the next call, which - causes an assert */ - - data = btr_rec_copy_externally_stored_field( - rec, offsets, - dict_table_zip_size(prebuilt->table), - templ->rec_field_no, &len, heap); - - ut_a(len != UNIV_SQL_NULL); - } else { - /* Field is stored in the row. */ - - data = rec_get_nth_field(rec, offsets, - templ->rec_field_no, &len); - - if (UNIV_UNLIKELY(templ->type == DATA_BLOB) - && len != UNIV_SQL_NULL) { - - /* It is a BLOB field locally stored in the - InnoDB record: we MUST copy its contents to - prebuilt->blob_heap here because later code - assumes all BLOB values have been copied to a - safe place. */ - - if (prebuilt->blob_heap == NULL) { - prebuilt->blob_heap = mem_heap_create( - UNIV_PAGE_SIZE); - } - - data = memcpy(mem_heap_alloc( - prebuilt->blob_heap, len), - data, len); - } - } - - if (len != UNIV_SQL_NULL) { - row_sel_field_store_in_mysql_format( - mysql_rec + templ->mysql_col_offset, - templ, data, len); - - /* Cleanup */ - if (extern_field_heap) { - mem_heap_free(extern_field_heap); - extern_field_heap = NULL; - } - - if (templ->mysql_null_bit_mask) { - /* It is a nullable column with a non-NULL - value */ - mysql_rec[templ->mysql_null_byte_offset] - &= ~(byte) templ->mysql_null_bit_mask; - } - } else { - /* MySQL assumes that the field for an SQL - NULL value is set to the default value. */ - - mysql_rec[templ->mysql_null_byte_offset] - |= (byte) templ->mysql_null_bit_mask; - memcpy(mysql_rec + templ->mysql_col_offset, - (const byte*) prebuilt->default_rec - + templ->mysql_col_offset, - templ->mysql_col_len); - } - } - - return(TRUE); -} - -/*********************************************************************//** -Builds a previous version of a clustered index record for a consistent read -@return DB_SUCCESS or error code */ -static -ulint -row_sel_build_prev_vers_for_mysql( -/*==============================*/ - read_view_t* read_view, /*!< in: read view */ - dict_index_t* clust_index, /*!< in: clustered index */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ - const rec_t* rec, /*!< in: record in a clustered index */ - ulint** offsets, /*!< in/out: offsets returned by - rec_get_offsets(rec, clust_index) */ - mem_heap_t** offset_heap, /*!< in/out: memory heap from which - the offsets are allocated */ - rec_t** old_vers, /*!< out: old version, or NULL if the - record does not exist in the view: - i.e., it was freshly inserted - afterwards */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint err; - - if (prebuilt->old_vers_heap) { - mem_heap_empty(prebuilt->old_vers_heap); - } else { - prebuilt->old_vers_heap = mem_heap_create(200); - } - - err = row_vers_build_for_consistent_read( - rec, mtr, clust_index, offsets, read_view, offset_heap, - prebuilt->old_vers_heap, old_vers); - return(err); -} - -/*********************************************************************//** -Retrieves the clustered index record corresponding to a record in a -non-clustered index. Does the necessary locking. Used in the MySQL -interface. -@return DB_SUCCESS or error code */ -static -ulint -row_sel_get_clust_rec_for_mysql( -/*============================*/ - row_prebuilt_t* prebuilt,/*!< in: prebuilt struct in the handle */ - dict_index_t* sec_index,/*!< in: secondary index where rec resides */ - const rec_t* rec, /*!< in: record in a non-clustered index; if - this is a locking read, then rec is not - allowed to be delete-marked, and that would - not make sense either */ - que_thr_t* thr, /*!< in: query thread */ - const rec_t** out_rec,/*!< out: clustered record or an old version of - it, NULL if the old version did not exist - in the read view, i.e., it was a fresh - inserted version */ - ulint** offsets,/*!< in: offsets returned by - rec_get_offsets(rec, sec_index); - out: offsets returned by - rec_get_offsets(out_rec, clust_index) */ - mem_heap_t** offset_heap,/*!< in/out: memory heap from which - the offsets are allocated */ - mtr_t* mtr) /*!< in: mtr used to get access to the - non-clustered record; the same mtr is used to - access the clustered index */ -{ - dict_index_t* clust_index; - const rec_t* clust_rec; - rec_t* old_vers; - ulint err; - trx_t* trx; - - *out_rec = NULL; - trx = thr_get_trx(thr); - - row_build_row_ref_in_tuple(prebuilt->clust_ref, rec, - sec_index, *offsets, trx); - - clust_index = dict_table_get_first_index(sec_index->table); - - btr_pcur_open_with_no_init(clust_index, prebuilt->clust_ref, - PAGE_CUR_LE, BTR_SEARCH_LEAF, - prebuilt->clust_pcur, 0, mtr); - - clust_rec = btr_pcur_get_rec(prebuilt->clust_pcur); - - prebuilt->clust_pcur->trx_if_known = trx; - - /* Note: only if the search ends up on a non-infimum record is the - low_match value the real match to the search tuple */ - - if (!page_rec_is_user_rec(clust_rec) - || btr_pcur_get_low_match(prebuilt->clust_pcur) - < dict_index_get_n_unique(clust_index)) { - - /* In a rare case it is possible that no clust rec is found - for a delete-marked secondary index record: if in row0umod.c - in row_undo_mod_remove_clust_low() we have already removed - the clust rec, while purge is still cleaning and removing - secondary index records associated with earlier versions of - the clustered index record. In that case we know that the - clustered index record did not exist in the read view of - trx. */ - - if (!rec_get_deleted_flag(rec, - dict_table_is_comp(sec_index->table)) - || prebuilt->select_lock_type != LOCK_NONE) { - ut_print_timestamp(stderr); - fputs(" InnoDB: error clustered record" - " for sec rec not found\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, sec_index); - fputs("\n" - "InnoDB: sec index record ", stderr); - rec_print(stderr, rec, sec_index); - fputs("\n" - "InnoDB: clust index record ", stderr); - rec_print(stderr, clust_rec, clust_index); - putc('\n', stderr); - trx_print(stderr, trx, 600); - - fputs("\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", stderr); - } - - clust_rec = NULL; - - goto func_exit; - } - - *offsets = rec_get_offsets(clust_rec, clust_index, *offsets, - ULINT_UNDEFINED, offset_heap); - - if (prebuilt->select_lock_type != LOCK_NONE) { - /* Try to place a lock on the index record; we are searching - the clust rec with a unique condition, hence - we set a LOCK_REC_NOT_GAP type lock */ - - err = lock_clust_rec_read_check_and_lock( - 0, btr_pcur_get_block(prebuilt->clust_pcur), - clust_rec, clust_index, *offsets, - prebuilt->select_lock_type, LOCK_REC_NOT_GAP, thr); - if (err != DB_SUCCESS) { - - goto err_exit; - } - } else { - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - old_vers = NULL; - - /* If the isolation level allows reading of uncommitted data, - then we never look for an earlier version */ - - if (trx->isolation_level > TRX_ISO_READ_UNCOMMITTED - && !lock_clust_rec_cons_read_sees( - clust_rec, clust_index, *offsets, - trx->read_view)) { - - /* The following call returns 'offsets' associated with - 'old_vers' */ - err = row_sel_build_prev_vers_for_mysql( - trx->read_view, clust_index, prebuilt, - clust_rec, offsets, offset_heap, &old_vers, - mtr); - - if (err != DB_SUCCESS || old_vers == NULL) { - - goto err_exit; - } - - clust_rec = old_vers; - } - - /* If we had to go to an earlier version of row or the - secondary index record is delete marked, then it may be that - the secondary index record corresponding to clust_rec - (or old_vers) is not rec; in that case we must ignore - such row because in our snapshot rec would not have existed. - Remember that from rec we cannot see directly which transaction - id corresponds to it: we have to go to the clustered index - record. A query where we want to fetch all rows where - the secondary index value is in some interval would return - a wrong result if we would not drop rows which we come to - visit through secondary index records that would not really - exist in our snapshot. */ - - if (clust_rec - && (old_vers - || trx->isolation_level <= TRX_ISO_READ_UNCOMMITTED - || rec_get_deleted_flag(rec, dict_table_is_comp( - sec_index->table))) - && !row_sel_sec_rec_is_for_clust_rec( - rec, sec_index, clust_rec, clust_index)) { - clust_rec = NULL; -#ifdef UNIV_SEARCH_DEBUG - } else { - ut_a(clust_rec == NULL - || row_sel_sec_rec_is_for_clust_rec( - rec, sec_index, clust_rec, clust_index)); -#endif - } - } - -func_exit: - *out_rec = clust_rec; - - if (prebuilt->select_lock_type != LOCK_NONE) { - /* We may use the cursor in update or in unlock_row(): - store its position */ - - btr_pcur_store_position(prebuilt->clust_pcur, mtr); - } - - err = DB_SUCCESS; -err_exit: - return(err); -} - -/********************************************************************//** -Restores cursor position after it has been stored. We have to take into -account that the record cursor was positioned on may have been deleted. -Then we may have to move the cursor one step up or down. -@return TRUE if we may need to process the record the cursor is now -positioned on (i.e. we should not go to the next record yet) */ -static -ibool -sel_restore_position_for_mysql( -/*===========================*/ - ibool* same_user_rec, /*!< out: TRUE if we were able to restore - the cursor on a user record with the - same ordering prefix in in the - B-tree index */ - ulint latch_mode, /*!< in: latch mode wished in - restoration */ - btr_pcur_t* pcur, /*!< in: cursor whose position - has been stored */ - ibool moves_up, /*!< in: TRUE if the cursor moves up - in the index */ - mtr_t* mtr) /*!< in: mtr; CAUTION: may commit - mtr temporarily! */ -{ - ibool success; - ulint relative_position; - - relative_position = pcur->rel_pos; - - success = btr_pcur_restore_position(latch_mode, pcur, mtr); - - *same_user_rec = success; - - if (relative_position == BTR_PCUR_ON) { - if (success) { - return(FALSE); - } - - if (moves_up) { - btr_pcur_move_to_next(pcur, mtr); - } - - return(TRUE); - } - - if (relative_position == BTR_PCUR_AFTER - || relative_position == BTR_PCUR_AFTER_LAST_IN_TREE) { - - if (moves_up) { - return(TRUE); - } - - if (btr_pcur_is_on_user_rec(pcur)) { - btr_pcur_move_to_prev(pcur, mtr); - } - - return(TRUE); - } - - ut_ad(relative_position == BTR_PCUR_BEFORE - || relative_position == BTR_PCUR_BEFORE_FIRST_IN_TREE); - - if (moves_up && btr_pcur_is_on_user_rec(pcur)) { - btr_pcur_move_to_next(pcur, mtr); - } - - return(TRUE); -} - -/********************************************************************//** -Pops a cached row for MySQL from the fetch cache. */ -UNIV_INLINE -void -row_sel_pop_cached_row_for_mysql( -/*=============================*/ - byte* buf, /*!< in/out: buffer where to copy the - row */ - row_prebuilt_t* prebuilt) /*!< in: prebuilt struct */ -{ - ulint i; - mysql_row_templ_t* templ; - byte* cached_rec; - ut_ad(prebuilt->n_fetch_cached > 0); - ut_ad(prebuilt->mysql_prefix_len <= prebuilt->mysql_row_len); - - if (UNIV_UNLIKELY(prebuilt->keep_other_fields_on_keyread)) { - /* Copy cache record field by field, don't touch fields that - are not covered by current key */ - cached_rec = prebuilt->fetch_cache[ - prebuilt->fetch_cache_first]; - - for (i = 0; i < prebuilt->n_template; i++) { - templ = prebuilt->mysql_template + i; - ut_memcpy(buf + templ->mysql_col_offset, - cached_rec + templ->mysql_col_offset, - templ->mysql_col_len); - /* Copy NULL bit of the current field from cached_rec - to buf */ - if (templ->mysql_null_bit_mask) { - buf[templ->mysql_null_byte_offset] - ^= (buf[templ->mysql_null_byte_offset] - ^ cached_rec[templ->mysql_null_byte_offset]) - & (byte)templ->mysql_null_bit_mask; - } - } - } - else { - ut_memcpy(buf, - prebuilt->fetch_cache[prebuilt->fetch_cache_first], - prebuilt->mysql_prefix_len); - } - prebuilt->n_fetch_cached--; - prebuilt->fetch_cache_first++; - - if (prebuilt->n_fetch_cached == 0) { - prebuilt->fetch_cache_first = 0; - } -} - -/********************************************************************//** -Pushes a row for MySQL to the fetch cache. */ -UNIV_INLINE -void -row_sel_push_cache_row_for_mysql( -/*=============================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct */ - const rec_t* rec, /*!< in: record to push; must - be protected by a page latch */ - const ulint* offsets) /*!< in: rec_get_offsets() */ -{ - byte* buf; - ulint i; - - ut_ad(prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE); - ut_ad(rec_offs_validate(rec, NULL, offsets)); - ut_a(!prebuilt->templ_contains_blob); - - if (prebuilt->fetch_cache[0] == NULL) { - /* Allocate memory for the fetch cache */ - - for (i = 0; i < MYSQL_FETCH_CACHE_SIZE; i++) { - - /* A user has reported memory corruption in these - buffers in Linux. Put magic numbers there to help - to track a possible bug. */ - - buf = mem_alloc(prebuilt->mysql_row_len + 8); - - prebuilt->fetch_cache[i] = buf + 4; - - mach_write_to_4(buf, ROW_PREBUILT_FETCH_MAGIC_N); - mach_write_to_4(buf + 4 + prebuilt->mysql_row_len, - ROW_PREBUILT_FETCH_MAGIC_N); - } - } - - ut_ad(prebuilt->fetch_cache_first == 0); - - if (UNIV_UNLIKELY(!row_sel_store_mysql_rec( - prebuilt->fetch_cache[ - prebuilt->n_fetch_cached], - prebuilt, rec, offsets))) { - ut_error; - } - - prebuilt->n_fetch_cached++; -} - -/*********************************************************************//** -Tries to do a shortcut to fetch a clustered index record with a unique key, -using the hash index if possible (not always). We assume that the search -mode is PAGE_CUR_GE, it is a consistent read, there is a read view in trx, -btr search latch has been locked in S-mode. -@return SEL_FOUND, SEL_EXHAUSTED, SEL_RETRY */ -static -ulint -row_sel_try_search_shortcut_for_mysql( -/*==================================*/ - const rec_t** out_rec,/*!< out: record if found */ - row_prebuilt_t* prebuilt,/*!< in: prebuilt struct */ - ulint** offsets,/*!< in/out: for rec_get_offsets(*out_rec) */ - mem_heap_t** heap, /*!< in/out: heap for rec_get_offsets() */ - mtr_t* mtr) /*!< in: started mtr */ -{ - dict_index_t* index = prebuilt->index; - const dtuple_t* search_tuple = prebuilt->search_tuple; - btr_pcur_t* pcur = prebuilt->pcur; - trx_t* trx = prebuilt->trx; - const rec_t* rec; - - ut_ad(dict_index_is_clust(index)); - ut_ad(!prebuilt->templ_contains_blob); - -#ifndef UNIV_SEARCH_DEBUG - btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, pcur, - RW_S_LATCH, - mtr); -#else /* UNIV_SEARCH_DEBUG */ - btr_pcur_open_with_no_init(index, search_tuple, PAGE_CUR_GE, - BTR_SEARCH_LEAF, pcur, - 0, - mtr); -#endif /* UNIV_SEARCH_DEBUG */ - rec = btr_pcur_get_rec(pcur); - - if (!page_rec_is_user_rec(rec)) { - - return(SEL_RETRY); - } - - /* As the cursor is now placed on a user record after a search with - the mode PAGE_CUR_GE, the up_match field in the cursor tells how many - fields in the user record matched to the search tuple */ - - if (btr_pcur_get_up_match(pcur) < dtuple_get_n_fields(search_tuple)) { - - return(SEL_EXHAUSTED); - } - - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - *offsets = rec_get_offsets(rec, index, *offsets, - ULINT_UNDEFINED, heap); - - if (!lock_clust_rec_cons_read_sees(rec, index, - *offsets, trx->read_view)) { - - return(SEL_RETRY); - } - - if (rec_get_deleted_flag(rec, dict_table_is_comp(index->table))) { - - return(SEL_EXHAUSTED); - } - - *out_rec = rec; - - return(SEL_FOUND); -} - -/********************************************************************//** -Searches for rows in the database. This is used in the interface to -MySQL. This function opens a cursor, and also implements fetch next -and fetch prev. NOTE that if we do a search with a full key value -from a unique index (ROW_SEL_EXACT), then we will not store the cursor -position and fetch next or fetch prev must not be tried to the cursor! -@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK, -DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */ -UNIV_INTERN -ulint -row_search_for_mysql( -/*=================*/ - byte* buf, /*!< in/out: buffer for the fetched - row in the MySQL format */ - ulint mode, /*!< in: search mode PAGE_CUR_L, ... */ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct for the - table handle; this contains the info - of search_tuple, index; if search - tuple contains 0 fields then we - position the cursor at the start or - the end of the index, depending on - 'mode' */ - ulint match_mode, /*!< in: 0 or ROW_SEL_EXACT or - ROW_SEL_EXACT_PREFIX */ - ulint direction) /*!< in: 0 or ROW_SEL_NEXT or - ROW_SEL_PREV; NOTE: if this is != 0, - then prebuilt must have a pcur - with stored position! In opening of a - cursor 'direction' should be 0. */ -{ - dict_index_t* index = prebuilt->index; - ibool comp = dict_table_is_comp(index->table); - const dtuple_t* search_tuple = prebuilt->search_tuple; - btr_pcur_t* pcur = prebuilt->pcur; - trx_t* trx = prebuilt->trx; - dict_index_t* clust_index; - que_thr_t* thr; - const rec_t* rec; - const rec_t* result_rec; - const rec_t* clust_rec; - ulint err = DB_SUCCESS; - ibool unique_search = FALSE; - ibool unique_search_from_clust_index = FALSE; - ibool mtr_has_extra_clust_latch = FALSE; - ibool moves_up = FALSE; - ibool set_also_gap_locks = TRUE; - /* if the query is a plain locking SELECT, and the isolation level - is <= TRX_ISO_READ_COMMITTED, then this is set to FALSE */ - ibool did_semi_consistent_read = FALSE; - /* if the returned record was locked and we did a semi-consistent - read (fetch the newest committed version), then this is set to - TRUE */ -#ifdef UNIV_SEARCH_DEBUG - ulint cnt = 0; -#endif /* UNIV_SEARCH_DEBUG */ - ulint next_offs; - ibool same_user_rec; - mtr_t mtr; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - - rec_offs_init(offsets_); - - ut_ad(index && pcur && search_tuple); - ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); - - if (UNIV_UNLIKELY(prebuilt->table->ibd_file_missing)) { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: Error:\n" - "InnoDB: MySQL is trying to use a table handle" - " but the .ibd file for\n" - "InnoDB: table %s does not exist.\n" - "InnoDB: Have you deleted the .ibd file" - " from the database directory under\n" - "InnoDB: the MySQL datadir, or have you used" - " DISCARD TABLESPACE?\n" - "InnoDB: Look from\n" - "InnoDB: " REFMAN "innodb-troubleshooting.html\n" - "InnoDB: how you can resolve the problem.\n", - prebuilt->table->name); - - return(DB_ERROR); - } - - if (UNIV_UNLIKELY(!prebuilt->index_usable)) { - - return(DB_MISSING_HISTORY); - } - - if (UNIV_UNLIKELY(prebuilt->magic_n != ROW_PREBUILT_ALLOCATED)) { - fprintf(stderr, - "InnoDB: Error: trying to free a corrupt\n" - "InnoDB: table handle. Magic n %lu, table name ", - (ulong) prebuilt->magic_n); - ut_print_name(stderr, trx, TRUE, prebuilt->table->name); - putc('\n', stderr); - - mem_analyze_corruption(prebuilt); - - ut_error; - } - -#if 0 - /* August 19, 2005 by Heikki: temporarily disable this error - print until the cursor lock count is done correctly. - See bugs #12263 and #12456!*/ - - if (trx->n_mysql_tables_in_use == 0 - && UNIV_UNLIKELY(prebuilt->select_lock_type == LOCK_NONE)) { - /* Note that if MySQL uses an InnoDB temp table that it - created inside LOCK TABLES, then n_mysql_tables_in_use can - be zero; in that case select_lock_type is set to LOCK_X in - ::start_stmt. */ - - fputs("InnoDB: Error: MySQL is trying to perform a SELECT\n" - "InnoDB: but it has not locked" - " any tables in ::external_lock()!\n", - stderr); - trx_print(stderr, trx, 600); - fputc('\n', stderr); - } -#endif - -#if 0 - fprintf(stderr, "Match mode %lu\n search tuple ", - (ulong) match_mode); - dtuple_print(search_tuple); - fprintf(stderr, "N tables locked %lu\n", - (ulong) trx->mysql_n_tables_locked); -#endif - /*-------------------------------------------------------------*/ - /* PHASE 0: Release a possible s-latch we are holding on the - adaptive hash index latch if there is someone waiting behind */ - - if (UNIV_UNLIKELY(rw_lock_get_writer(&btr_search_latch) != RW_LOCK_NOT_LOCKED) - && trx->has_search_latch) { - - /* There is an x-latch request on the adaptive hash index: - release the s-latch to reduce starvation and wait for - BTR_SEA_TIMEOUT rounds before trying to keep it again over - calls from MySQL */ - - rw_lock_s_unlock(&btr_search_latch); - trx->has_search_latch = FALSE; - - trx->search_latch_timeout = BTR_SEA_TIMEOUT; - } - - /* Reset the new record lock info if srv_locks_unsafe_for_binlog - is set or session is using a READ COMMITED isolation level. Then - we are able to remove the record locks set here on an individual - row. */ - prebuilt->new_rec_locks = 0; - - /*-------------------------------------------------------------*/ - /* PHASE 1: Try to pop the row from the prefetch cache */ - - if (UNIV_UNLIKELY(direction == 0)) { - trx->op_info = "starting index read"; - - prebuilt->n_rows_fetched = 0; - prebuilt->n_fetch_cached = 0; - prebuilt->fetch_cache_first = 0; - - if (prebuilt->sel_graph == NULL) { - /* Build a dummy select query graph */ - row_prebuild_sel_graph(prebuilt); - } - } else { - trx->op_info = "fetching rows"; - - if (prebuilt->n_rows_fetched == 0) { - prebuilt->fetch_direction = direction; - } - - if (UNIV_UNLIKELY(direction != prebuilt->fetch_direction)) { - if (UNIV_UNLIKELY(prebuilt->n_fetch_cached > 0)) { - ut_error; - /* TODO: scrollable cursor: restore cursor to - the place of the latest returned row, - or better: prevent caching for a scroll - cursor! */ - } - - prebuilt->n_rows_fetched = 0; - prebuilt->n_fetch_cached = 0; - prebuilt->fetch_cache_first = 0; - - } else if (UNIV_LIKELY(prebuilt->n_fetch_cached > 0)) { - row_sel_pop_cached_row_for_mysql(buf, prebuilt); - - prebuilt->n_rows_fetched++; - - srv_n_rows_read++; - err = DB_SUCCESS; - goto func_exit; - } - - if (prebuilt->fetch_cache_first > 0 - && prebuilt->fetch_cache_first < MYSQL_FETCH_CACHE_SIZE) { - - /* The previous returned row was popped from the fetch - cache, but the cache was not full at the time of the - popping: no more rows can exist in the result set */ - - err = DB_RECORD_NOT_FOUND; - goto func_exit; - } - - prebuilt->n_rows_fetched++; - - if (prebuilt->n_rows_fetched > 1000000000) { - /* Prevent wrap-over */ - prebuilt->n_rows_fetched = 500000000; - } - - mode = pcur->search_mode; - } - - /* In a search where at most one record in the index may match, we - can use a LOCK_REC_NOT_GAP type record lock when locking a - non-delete-marked matching record. - - Note that in a unique secondary index there may be different - delete-marked versions of a record where only the primary key - values differ: thus in a secondary index we must use next-key - locks when locking delete-marked records. */ - - if (match_mode == ROW_SEL_EXACT - && dict_index_is_unique(index) - && dtuple_get_n_fields(search_tuple) - == dict_index_get_n_unique(index) - && (dict_index_is_clust(index) - || !dtuple_contains_null(search_tuple))) { - - /* Note above that a UNIQUE secondary index can contain many - rows with the same key value if one of the columns is the SQL - null. A clustered index under MySQL can never contain null - columns because we demand that all the columns in primary key - are non-null. */ - - unique_search = TRUE; - - /* Even if the condition is unique, MySQL seems to try to - retrieve also a second row if a primary key contains more than - 1 column. Return immediately if this is not a HANDLER - command. */ - - if (UNIV_UNLIKELY(direction != 0 - && !prebuilt->used_in_HANDLER)) { - - err = DB_RECORD_NOT_FOUND; - goto func_exit; - } - } - - mtr_start(&mtr); - - /*-------------------------------------------------------------*/ - /* PHASE 2: Try fast adaptive hash index search if possible */ - - /* Next test if this is the special case where we can use the fast - adaptive hash index to try the search. Since we must release the - search system latch when we retrieve an externally stored field, we - cannot use the adaptive hash index in a search in the case the row - may be long and there may be externally stored fields */ - - if (UNIV_UNLIKELY(direction == 0) - && unique_search - && dict_index_is_clust(index) - && !prebuilt->templ_contains_blob - && !prebuilt->used_in_HANDLER - && (prebuilt->mysql_row_len < UNIV_PAGE_SIZE / 8)) { - - mode = PAGE_CUR_GE; - - unique_search_from_clust_index = TRUE; - - if (trx->mysql_n_tables_locked == 0 - && prebuilt->select_lock_type == LOCK_NONE - && trx->isolation_level > TRX_ISO_READ_UNCOMMITTED - && trx->read_view) { - - /* This is a SELECT query done as a consistent read, - and the read view has already been allocated: - let us try a search shortcut through the hash - index. - NOTE that we must also test that - mysql_n_tables_locked == 0, because this might - also be INSERT INTO ... SELECT ... or - CREATE TABLE ... SELECT ... . Our algorithm is - NOT prepared to inserts interleaved with the SELECT, - and if we try that, we can deadlock on the adaptive - hash index semaphore! */ - -#ifndef UNIV_SEARCH_DEBUG - if (!trx->has_search_latch) { - rw_lock_s_lock(&btr_search_latch); - trx->has_search_latch = TRUE; - } -#endif - switch (row_sel_try_search_shortcut_for_mysql( - &rec, prebuilt, &offsets, &heap, - &mtr)) { - case SEL_FOUND: -#ifdef UNIV_SEARCH_DEBUG - ut_a(0 == cmp_dtuple_rec(search_tuple, - rec, offsets)); -#endif - /* At this point, rec is protected by - a page latch that was acquired by - row_sel_try_search_shortcut_for_mysql(). - The latch will not be released until - mtr_commit(&mtr). */ - - if (!row_sel_store_mysql_rec(buf, prebuilt, - rec, offsets)) { - err = DB_TOO_BIG_RECORD; - - /* We let the main loop to do the - error handling */ - goto shortcut_fails_too_big_rec; - } - - mtr_commit(&mtr); - - /* ut_print_name(stderr, index->name); - fputs(" shortcut\n", stderr); */ - - srv_n_rows_read++; - - err = DB_SUCCESS; - goto release_search_latch_if_needed; - - case SEL_EXHAUSTED: - mtr_commit(&mtr); - - /* ut_print_name(stderr, index->name); - fputs(" record not found 2\n", stderr); */ - - err = DB_RECORD_NOT_FOUND; -release_search_latch_if_needed: - if (trx->search_latch_timeout > 0 - && trx->has_search_latch) { - - trx->search_latch_timeout--; - - rw_lock_s_unlock(&btr_search_latch); - trx->has_search_latch = FALSE; - } - - /* NOTE that we do NOT store the cursor - position */ - goto func_exit; - - case SEL_RETRY: - break; - - default: - ut_ad(0); - } -shortcut_fails_too_big_rec: - mtr_commit(&mtr); - mtr_start(&mtr); - } - } - - /*-------------------------------------------------------------*/ - /* PHASE 3: Open or restore index cursor position */ - - if (trx->has_search_latch) { - rw_lock_s_unlock(&btr_search_latch); - trx->has_search_latch = FALSE; - } - - trx_start_if_not_started(trx); - - if (trx->isolation_level <= TRX_ISO_READ_COMMITTED - && prebuilt->select_lock_type != LOCK_NONE - && trx->mysql_thd != NULL - && thd_is_select(trx->mysql_thd)) { - /* It is a plain locking SELECT and the isolation - level is low: do not lock gaps */ - - set_also_gap_locks = FALSE; - } - - /* Note that if the search mode was GE or G, then the cursor - naturally moves upward (in fetch next) in alphabetical order, - otherwise downward */ - - if (UNIV_UNLIKELY(direction == 0)) { - if (mode == PAGE_CUR_GE || mode == PAGE_CUR_G) { - moves_up = TRUE; - } - } else if (direction == ROW_SEL_NEXT) { - moves_up = TRUE; - } - - thr = que_fork_get_first_thr(prebuilt->sel_graph); - - que_thr_move_to_run_state_for_mysql(thr, trx); - - clust_index = dict_table_get_first_index(index->table); - - if (UNIV_LIKELY(direction != 0)) { - ibool need_to_process = sel_restore_position_for_mysql( - &same_user_rec, BTR_SEARCH_LEAF, - pcur, moves_up, &mtr); - - if (UNIV_UNLIKELY(need_to_process)) { - if (UNIV_UNLIKELY(prebuilt->row_read_type - == ROW_READ_DID_SEMI_CONSISTENT)) { - /* We did a semi-consistent read, - but the record was removed in - the meantime. */ - prebuilt->row_read_type - = ROW_READ_TRY_SEMI_CONSISTENT; - } - } else if (UNIV_LIKELY(prebuilt->row_read_type - != ROW_READ_DID_SEMI_CONSISTENT)) { - - /* The cursor was positioned on the record - that we returned previously. If we need - to repeat a semi-consistent read as a - pessimistic locking read, the record - cannot be skipped. */ - - goto next_rec; - } - - } else if (dtuple_get_n_fields(search_tuple) > 0) { - - btr_pcur_open_with_no_init(index, search_tuple, mode, - BTR_SEARCH_LEAF, - pcur, 0, &mtr); - - pcur->trx_if_known = trx; - - rec = btr_pcur_get_rec(pcur); - - if (!moves_up - && !page_rec_is_supremum(rec) - && set_also_gap_locks - && !(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - /* Try to place a gap lock on the next index record - to prevent phantoms in ORDER BY ... DESC queries */ - const rec_t* next = page_rec_get_next_const(rec); - - offsets = rec_get_offsets(next, index, offsets, - ULINT_UNDEFINED, &heap); - err = sel_set_rec_lock(btr_pcur_get_block(pcur), - next, index, offsets, - prebuilt->select_lock_type, - LOCK_GAP, thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - } - } else { - if (mode == PAGE_CUR_G) { - btr_pcur_open_at_index_side( - TRUE, index, BTR_SEARCH_LEAF, pcur, FALSE, - &mtr); - } else if (mode == PAGE_CUR_L) { - btr_pcur_open_at_index_side( - FALSE, index, BTR_SEARCH_LEAF, pcur, FALSE, - &mtr); - } - } - - if (!prebuilt->sql_stat_start) { - /* No need to set an intention lock or assign a read view */ - - if (trx->read_view == NULL - && prebuilt->select_lock_type == LOCK_NONE) { - - fputs("InnoDB: Error: MySQL is trying to" - " perform a consistent read\n" - "InnoDB: but the read view is not assigned!\n", - stderr); - trx_print(stderr, trx, 600); - fputc('\n', stderr); - ut_a(0); - } - } else if (prebuilt->select_lock_type == LOCK_NONE) { - /* This is a consistent read */ - /* Assign a read view for the query */ - - trx_assign_read_view(trx); - prebuilt->sql_stat_start = FALSE; - } else { - ulint lock_mode; - if (prebuilt->select_lock_type == LOCK_S) { - lock_mode = LOCK_IS; - } else { - lock_mode = LOCK_IX; - } - err = lock_table(0, index->table, lock_mode, thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - prebuilt->sql_stat_start = FALSE; - } - -rec_loop: - /*-------------------------------------------------------------*/ - /* PHASE 4: Look for matching records in a loop */ - - rec = btr_pcur_get_rec(pcur); - ut_ad(!!page_rec_is_comp(rec) == comp); -#ifdef UNIV_SEARCH_DEBUG - /* - fputs("Using ", stderr); - dict_index_name_print(stderr, index); - fprintf(stderr, " cnt %lu ; Page no %lu\n", cnt, - page_get_page_no(page_align(rec))); - rec_print(rec); - */ -#endif /* UNIV_SEARCH_DEBUG */ - - if (page_rec_is_infimum(rec)) { - - /* The infimum record on a page cannot be in the result set, - and neither can a record lock be placed on it: we skip such - a record. */ - - goto next_rec; - } - - if (page_rec_is_supremum(rec)) { - - if (set_also_gap_locks - && !(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - /* Try to place a lock on the index record */ - - /* If innodb_locks_unsafe_for_binlog option is used - or this session is using a READ COMMITTED isolation - level we do not lock gaps. Supremum record is really - a gap and therefore we do not set locks there. */ - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - err = sel_set_rec_lock(btr_pcur_get_block(pcur), - rec, index, offsets, - prebuilt->select_lock_type, - LOCK_ORDINARY, thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - } - /* A page supremum record cannot be in the result set: skip - it now that we have placed a possible lock on it */ - - goto next_rec; - } - - /*-------------------------------------------------------------*/ - /* Do sanity checks in case our cursor has bumped into page - corruption */ - - if (comp) { - next_offs = rec_get_next_offs(rec, TRUE); - if (UNIV_UNLIKELY(next_offs < PAGE_NEW_SUPREMUM)) { - - goto wrong_offs; - } - } else { - next_offs = rec_get_next_offs(rec, FALSE); - if (UNIV_UNLIKELY(next_offs < PAGE_OLD_SUPREMUM)) { - - goto wrong_offs; - } - } - - if (UNIV_UNLIKELY(next_offs >= UNIV_PAGE_SIZE - PAGE_DIR)) { - -wrong_offs: - if (srv_force_recovery == 0 || moves_up == FALSE) { - ut_print_timestamp(stderr); - buf_page_print(page_align(rec), 0); - fprintf(stderr, - "\nInnoDB: rec address %p," - " buf block fix count %lu\n", - (void*) rec, (ulong) - btr_cur_get_block(btr_pcur_get_btr_cur(pcur)) - ->page.buf_fix_count); - fprintf(stderr, - "InnoDB: Index corruption: rec offs %lu" - " next offs %lu, page no %lu,\n" - "InnoDB: ", - (ulong) page_offset(rec), - (ulong) next_offs, - (ulong) page_get_page_no(page_align(rec))); - dict_index_name_print(stderr, trx, index); - fputs(". Run CHECK TABLE. You may need to\n" - "InnoDB: restore from a backup, or" - " dump + drop + reimport the table.\n", - stderr); - - err = DB_CORRUPTION; - - goto lock_wait_or_error; - } else { - /* The user may be dumping a corrupt table. Jump - over the corruption to recover as much as possible. */ - - fprintf(stderr, - "InnoDB: Index corruption: rec offs %lu" - " next offs %lu, page no %lu,\n" - "InnoDB: ", - (ulong) page_offset(rec), - (ulong) next_offs, - (ulong) page_get_page_no(page_align(rec))); - dict_index_name_print(stderr, trx, index); - fputs(". We try to skip the rest of the page.\n", - stderr); - - btr_pcur_move_to_last_on_page(pcur, &mtr); - - goto next_rec; - } - } - /*-------------------------------------------------------------*/ - - /* Calculate the 'offsets' associated with 'rec' */ - - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - - if (UNIV_UNLIKELY(srv_force_recovery > 0)) { - if (!rec_validate(rec, offsets) - || !btr_index_rec_validate(rec, index, FALSE)) { - fprintf(stderr, - "InnoDB: Index corruption: rec offs %lu" - " next offs %lu, page no %lu,\n" - "InnoDB: ", - (ulong) page_offset(rec), - (ulong) next_offs, - (ulong) page_get_page_no(page_align(rec))); - dict_index_name_print(stderr, trx, index); - fputs(". We try to skip the record.\n", - stderr); - - goto next_rec; - } - } - - /* Note that we cannot trust the up_match value in the cursor at this - place because we can arrive here after moving the cursor! Thus - we have to recompare rec and search_tuple to determine if they - match enough. */ - - if (match_mode == ROW_SEL_EXACT) { - /* Test if the index record matches completely to search_tuple - in prebuilt: if not, then we return with DB_RECORD_NOT_FOUND */ - - /* fputs("Comparing rec and search tuple\n", stderr); */ - - if (0 != cmp_dtuple_rec(search_tuple, rec, offsets)) { - - if (set_also_gap_locks - && !(srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - /* Try to place a gap lock on the index - record only if innodb_locks_unsafe_for_binlog - option is not set or this session is not - using a READ COMMITTED isolation level. */ - - err = sel_set_rec_lock( - btr_pcur_get_block(pcur), - rec, index, offsets, - prebuilt->select_lock_type, LOCK_GAP, - thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - } - - btr_pcur_store_position(pcur, &mtr); - - err = DB_RECORD_NOT_FOUND; - /* ut_print_name(stderr, index->name); - fputs(" record not found 3\n", stderr); */ - - goto normal_return; - } - - } else if (match_mode == ROW_SEL_EXACT_PREFIX) { - - if (!cmp_dtuple_is_prefix_of_rec(search_tuple, rec, offsets)) { - - if (set_also_gap_locks - && !(srv_locks_unsafe_for_binlog - || trx->isolation_level - == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - /* Try to place a gap lock on the index - record only if innodb_locks_unsafe_for_binlog - option is not set or this session is not - using a READ COMMITTED isolation level. */ - - err = sel_set_rec_lock( - btr_pcur_get_block(pcur), - rec, index, offsets, - prebuilt->select_lock_type, LOCK_GAP, - thr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - } - - btr_pcur_store_position(pcur, &mtr); - - err = DB_RECORD_NOT_FOUND; - /* ut_print_name(stderr, index->name); - fputs(" record not found 4\n", stderr); */ - - goto normal_return; - } - } - - /* We are ready to look at a possible new index entry in the result - set: the cursor is now placed on a user record */ - - if (prebuilt->select_lock_type != LOCK_NONE) { - /* Try to place a lock on the index record; note that delete - marked records are a special case in a unique search. If there - is a non-delete marked record, then it is enough to lock its - existence with LOCK_REC_NOT_GAP. */ - - /* If innodb_locks_unsafe_for_binlog option is used - or this session is using a READ COMMITED isolation - level we lock only the record, i.e., next-key locking is - not used. */ - - ulint lock_type; - - if (!set_also_gap_locks - || srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED - || (unique_search - && !UNIV_UNLIKELY(rec_get_deleted_flag(rec, comp)))) { - - goto no_gap_lock; - } else { - lock_type = LOCK_ORDINARY; - } - - /* If we are doing a 'greater or equal than a primary key - value' search from a clustered index, and we find a record - that has that exact primary key value, then there is no need - to lock the gap before the record, because no insert in the - gap can be in our search range. That is, no phantom row can - appear that way. - - An example: if col1 is the primary key, the search is WHERE - col1 >= 100, and we find a record where col1 = 100, then no - need to lock the gap before that record. */ - - if (index == clust_index - && mode == PAGE_CUR_GE - && direction == 0 - && dtuple_get_n_fields_cmp(search_tuple) - == dict_index_get_n_unique(index) - && 0 == cmp_dtuple_rec(search_tuple, rec, offsets)) { -no_gap_lock: - lock_type = LOCK_REC_NOT_GAP; - } - - err = sel_set_rec_lock(btr_pcur_get_block(pcur), - rec, index, offsets, - prebuilt->select_lock_type, - lock_type, thr); - - switch (err) { - const rec_t* old_vers; - case DB_SUCCESS: - if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { - /* Note that a record of - prebuilt->index was locked. */ - prebuilt->new_rec_locks = 1; - } - break; - case DB_LOCK_WAIT: - if (UNIV_LIKELY(prebuilt->row_read_type - != ROW_READ_TRY_SEMI_CONSISTENT) - || index != clust_index) { - - goto lock_wait_or_error; - } - - /* The following call returns 'offsets' - associated with 'old_vers' */ - err = row_sel_build_committed_vers_for_mysql( - clust_index, prebuilt, rec, - &offsets, &heap, &old_vers, &mtr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - - mutex_enter(&kernel_mutex); - if (trx->was_chosen_as_deadlock_victim) { - mutex_exit(&kernel_mutex); - err = DB_DEADLOCK; - - goto lock_wait_or_error; - } - if (UNIV_LIKELY(trx->wait_lock != NULL)) { - lock_cancel_waiting_and_release( - trx->wait_lock); - prebuilt->new_rec_locks = 0; - } else { - mutex_exit(&kernel_mutex); - - /* The lock was granted while we were - searching for the last committed version. - Do a normal locking read. */ - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, - &heap); - err = DB_SUCCESS; - /* Note that a record of - prebuilt->index was locked. */ - prebuilt->new_rec_locks = 1; - break; - } - mutex_exit(&kernel_mutex); - - if (old_vers == NULL) { - /* The row was not yet committed */ - - goto next_rec; - } - - did_semi_consistent_read = TRUE; - rec = old_vers; - break; - default: - - goto lock_wait_or_error; - } - } else { - /* This is a non-locking consistent read: if necessary, fetch - a previous version of the record */ - - if (trx->isolation_level == TRX_ISO_READ_UNCOMMITTED) { - - /* Do nothing: we let a non-locking SELECT read the - latest version of the record */ - - } else if (index == clust_index) { - - /* Fetch a previous version of the row if the current - one is not visible in the snapshot; if we have a very - high force recovery level set, we try to avoid crashes - by skipping this lookup */ - - if (UNIV_LIKELY(srv_force_recovery < 5) - && !lock_clust_rec_cons_read_sees( - rec, index, offsets, trx->read_view)) { - - rec_t* old_vers; - /* The following call returns 'offsets' - associated with 'old_vers' */ - err = row_sel_build_prev_vers_for_mysql( - trx->read_view, clust_index, - prebuilt, rec, &offsets, &heap, - &old_vers, &mtr); - - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - - if (old_vers == NULL) { - /* The row did not exist yet in - the read view */ - - goto next_rec; - } - - rec = old_vers; - } - } else if (!lock_sec_rec_cons_read_sees(rec, trx->read_view)) { - /* We are looking into a non-clustered index, - and to get the right version of the record we - have to look also into the clustered index: this - is necessary, because we can only get the undo - information via the clustered index record. */ - - ut_ad(index != clust_index); - - goto requires_clust_rec; - } - } - - /* NOTE that at this point rec can be an old version of a clustered - index record built for a consistent read. We cannot assume after this - point that rec is on a buffer pool page. Functions like - page_rec_is_comp() cannot be used! */ - - if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, comp))) { - - /* The record is delete-marked: we can skip it */ - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE - && !did_semi_consistent_read) { - - /* No need to keep a lock on a delete-marked record - if we do not want to use next-key locking. */ - - row_unlock_for_mysql(prebuilt, TRUE); - } - - /* This is an optimization to skip setting the next key lock - on the record that follows this delete-marked record. This - optimization works because of the unique search criteria - which precludes the presence of a range lock between this - delete marked record and the record following it. - - For now this is applicable only to clustered indexes while - doing a unique search. There is scope for further optimization - applicable to unique secondary indexes. Current behaviour is - to widen the scope of a lock on an already delete marked record - if the same record is deleted twice by the same transaction */ - if (index == clust_index && unique_search) { - err = DB_RECORD_NOT_FOUND; - - goto normal_return; - } - - goto next_rec; - } - - /* Get the clustered index record if needed, if we did not do the - search using the clustered index. */ - - if (index != clust_index && prebuilt->need_to_access_clustered) { - -requires_clust_rec: - /* We use a 'goto' to the preceding label if a consistent - read of a secondary index record requires us to look up old - versions of the associated clustered index record. */ - - ut_ad(rec_offs_validate(rec, index, offsets)); - - /* It was a non-clustered index and we must fetch also the - clustered index record */ - - mtr_has_extra_clust_latch = TRUE; - - /* The following call returns 'offsets' associated with - 'clust_rec'. Note that 'clust_rec' can be an old version - built for a consistent read. */ - - err = row_sel_get_clust_rec_for_mysql(prebuilt, index, rec, - thr, &clust_rec, - &offsets, &heap, &mtr); - if (err != DB_SUCCESS) { - - goto lock_wait_or_error; - } - - if (clust_rec == NULL) { - /* The record did not exist in the read view */ - ut_ad(prebuilt->select_lock_type == LOCK_NONE); - - goto next_rec; - } - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - /* Note that both the secondary index record - and the clustered index record were locked. */ - ut_ad(prebuilt->new_rec_locks == 1); - prebuilt->new_rec_locks = 2; - } - - if (UNIV_UNLIKELY(rec_get_deleted_flag(clust_rec, comp))) { - - /* The record is delete marked: we can skip it */ - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - - /* No need to keep a lock on a delete-marked - record if we do not want to use next-key - locking. */ - - row_unlock_for_mysql(prebuilt, TRUE); - } - - goto next_rec; - } - - if (prebuilt->need_to_access_clustered) { - - result_rec = clust_rec; - - ut_ad(rec_offs_validate(result_rec, clust_index, - offsets)); - } else { - /* We used 'offsets' for the clust rec, recalculate - them for 'rec' */ - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - result_rec = rec; - } - } else { - result_rec = rec; - } - - /* We found a qualifying record 'result_rec'. At this point, - 'offsets' are associated with 'result_rec'. */ - - ut_ad(rec_offs_validate(result_rec, - result_rec != rec ? clust_index : index, - offsets)); - - /* At this point, the clustered index record is protected - by a page latch that was acquired when pcur was positioned. - The latch will not be released until mtr_commit(&mtr). */ - - if ((match_mode == ROW_SEL_EXACT - || prebuilt->n_rows_fetched >= MYSQL_FETCH_CACHE_THRESHOLD) - && prebuilt->select_lock_type == LOCK_NONE - && !prebuilt->templ_contains_blob - && !prebuilt->clust_index_was_generated - && !prebuilt->used_in_HANDLER - && prebuilt->template_type - != ROW_MYSQL_DUMMY_TEMPLATE) { - - /* Inside an update, for example, we do not cache rows, - since we may use the cursor position to do the actual - update, that is why we require ...lock_type == LOCK_NONE. - Since we keep space in prebuilt only for the BLOBs of - a single row, we cannot cache rows in the case there - are BLOBs in the fields to be fetched. In HANDLER we do - not cache rows because there the cursor is a scrollable - cursor. */ - - row_sel_push_cache_row_for_mysql(prebuilt, result_rec, - offsets); - if (prebuilt->n_fetch_cached == MYSQL_FETCH_CACHE_SIZE) { - - goto got_row; - } - - goto next_rec; - } else { - if (prebuilt->template_type == ROW_MYSQL_DUMMY_TEMPLATE) { - memcpy(buf + 4, result_rec - - rec_offs_extra_size(offsets), - rec_offs_size(offsets)); - mach_write_to_4(buf, - rec_offs_extra_size(offsets) + 4); - } else { - if (!row_sel_store_mysql_rec(buf, prebuilt, - result_rec, offsets)) { - err = DB_TOO_BIG_RECORD; - - goto lock_wait_or_error; - } - } - - if (prebuilt->clust_index_was_generated) { - if (result_rec != rec) { - offsets = rec_get_offsets( - rec, index, offsets, ULINT_UNDEFINED, - &heap); - } - row_sel_store_row_id_to_prebuilt(prebuilt, rec, - index, offsets); - } - } - - /* From this point on, 'offsets' are invalid. */ - -got_row: - /* We have an optimization to save CPU time: if this is a consistent - read on a unique condition on the clustered index, then we do not - store the pcur position, because any fetch next or prev will anyway - return 'end of file'. Exceptions are locking reads and the MySQL - HANDLER command where the user can move the cursor with PREV or NEXT - even after a unique search. */ - - if (!unique_search_from_clust_index - || prebuilt->select_lock_type != LOCK_NONE - || prebuilt->used_in_HANDLER) { - - /* Inside an update always store the cursor position */ - - btr_pcur_store_position(pcur, &mtr); - } - - err = DB_SUCCESS; - - goto normal_return; - -next_rec: - /* Reset the old and new "did semi-consistent read" flags. */ - if (UNIV_UNLIKELY(prebuilt->row_read_type - == ROW_READ_DID_SEMI_CONSISTENT)) { - prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; - } - did_semi_consistent_read = FALSE; - prebuilt->new_rec_locks = 0; - - /*-------------------------------------------------------------*/ - /* PHASE 5: Move the cursor to the next index record */ - - if (UNIV_UNLIKELY(mtr_has_extra_clust_latch)) { - /* We must commit mtr if we are moving to the next - non-clustered index record, because we could break the - latching order if we would access a different clustered - index page right away without releasing the previous. */ - - btr_pcur_store_position(pcur, &mtr); - - mtr_commit(&mtr); - mtr_has_extra_clust_latch = FALSE; - - mtr_start(&mtr); - if (sel_restore_position_for_mysql(&same_user_rec, - BTR_SEARCH_LEAF, - pcur, moves_up, &mtr)) { -#ifdef UNIV_SEARCH_DEBUG - cnt++; -#endif /* UNIV_SEARCH_DEBUG */ - - goto rec_loop; - } - } - - if (moves_up) { - if (UNIV_UNLIKELY(!btr_pcur_move_to_next(pcur, &mtr))) { -not_moved: - btr_pcur_store_position(pcur, &mtr); - - if (match_mode != 0) { - err = DB_RECORD_NOT_FOUND; - } else { - err = DB_END_OF_INDEX; - } - - goto normal_return; - } - } else { - if (UNIV_UNLIKELY(!btr_pcur_move_to_prev(pcur, &mtr))) { - goto not_moved; - } - } - -#ifdef UNIV_SEARCH_DEBUG - cnt++; -#endif /* UNIV_SEARCH_DEBUG */ - - goto rec_loop; - -lock_wait_or_error: - /* Reset the old and new "did semi-consistent read" flags. */ - if (UNIV_UNLIKELY(prebuilt->row_read_type - == ROW_READ_DID_SEMI_CONSISTENT)) { - prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; - } - did_semi_consistent_read = FALSE; - - /*-------------------------------------------------------------*/ - - btr_pcur_store_position(pcur, &mtr); - - mtr_commit(&mtr); - mtr_has_extra_clust_latch = FALSE; - - trx->error_state = err; - - /* The following is a patch for MySQL */ - - que_thr_stop_for_mysql(thr); - - thr->lock_state = QUE_THR_LOCK_ROW; - - if (row_mysql_handle_errors(&err, trx, thr, NULL)) { - /* It was a lock wait, and it ended */ - - thr->lock_state = QUE_THR_LOCK_NOLOCK; - mtr_start(&mtr); - - sel_restore_position_for_mysql(&same_user_rec, - BTR_SEARCH_LEAF, pcur, - moves_up, &mtr); - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) - && !same_user_rec) { - - /* Since we were not able to restore the cursor - on the same user record, we cannot use - row_unlock_for_mysql() to unlock any records, and - we must thus reset the new rec lock info. Since - in lock0lock.c we have blocked the inheriting of gap - X-locks, we actually do not have any new record locks - set in this case. - - Note that if we were able to restore on the 'same' - user record, it is still possible that we were actually - waiting on a delete-marked record, and meanwhile - it was removed by purge and inserted again by some - other user. But that is no problem, because in - rec_loop we will again try to set a lock, and - new_rec_lock_info in trx will be right at the end. */ - - prebuilt->new_rec_locks = 0; - } - - mode = pcur->search_mode; - - goto rec_loop; - } - - thr->lock_state = QUE_THR_LOCK_NOLOCK; - -#ifdef UNIV_SEARCH_DEBUG - /* fputs("Using ", stderr); - dict_index_name_print(stderr, index); - fprintf(stderr, " cnt %lu ret value %lu err\n", cnt, err); */ -#endif /* UNIV_SEARCH_DEBUG */ - goto func_exit; - -normal_return: - /*-------------------------------------------------------------*/ - que_thr_stop_for_mysql_no_error(thr, trx); - - mtr_commit(&mtr); - - if (prebuilt->n_fetch_cached > 0) { - row_sel_pop_cached_row_for_mysql(buf, prebuilt); - - err = DB_SUCCESS; - } - -#ifdef UNIV_SEARCH_DEBUG - /* fputs("Using ", stderr); - dict_index_name_print(stderr, index); - fprintf(stderr, " cnt %lu ret value %lu err\n", cnt, err); */ -#endif /* UNIV_SEARCH_DEBUG */ - if (err == DB_SUCCESS) { - srv_n_rows_read++; - } - -func_exit: - trx->op_info = ""; - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - /* Set or reset the "did semi-consistent read" flag on return. - The flag did_semi_consistent_read is set if and only if - the record being returned was fetched with a semi-consistent read. */ - ut_ad(prebuilt->row_read_type != ROW_READ_WITH_LOCKS - || !did_semi_consistent_read); - - if (UNIV_UNLIKELY(prebuilt->row_read_type != ROW_READ_WITH_LOCKS)) { - if (UNIV_UNLIKELY(did_semi_consistent_read)) { - prebuilt->row_read_type = ROW_READ_DID_SEMI_CONSISTENT; - } else { - prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; - } - } - return(err); -} - -/*******************************************************************//** -Checks if MySQL at the moment is allowed for this table to retrieve a -consistent read result, or store it to the query cache. -@return TRUE if storing or retrieving from the query cache is permitted */ -UNIV_INTERN -ibool -row_search_check_if_query_cache_permitted( -/*======================================*/ - trx_t* trx, /*!< in: transaction object */ - const char* norm_name) /*!< in: concatenation of database name, - '/' char, table name */ -{ - dict_table_t* table; - ibool ret = FALSE; - - table = dict_table_get(norm_name, FALSE); - - if (table == NULL) { - - return(FALSE); - } - - mutex_enter(&kernel_mutex); - - /* Start the transaction if it is not started yet */ - - trx_start_if_not_started_low(trx); - - /* If there are locks on the table or some trx has invalidated the - cache up to our trx id, then ret = FALSE. - We do not check what type locks there are on the table, though only - IX type locks actually would require ret = FALSE. */ - - if (UT_LIST_GET_LEN(table->locks) == 0 - && ut_dulint_cmp(trx->id, - table->query_cache_inv_trx_id) >= 0) { - - ret = TRUE; - - /* If the isolation level is high, assign a read view for the - transaction if it does not yet have one */ - - if (trx->isolation_level >= TRX_ISO_REPEATABLE_READ - && !trx->read_view) { - - trx->read_view = read_view_open_now( - trx->id, trx->global_read_view_heap); - trx->global_read_view = trx->read_view; - } - } - - mutex_exit(&kernel_mutex); - - return(ret); -} - -/*******************************************************************//** -Read the AUTOINC column from the current row. If the value is less than -0 and the type is not unsigned then we reset the value to 0. -@return value read from the column */ -static -ib_uint64_t -row_search_autoinc_read_column( -/*===========================*/ - dict_index_t* index, /*!< in: index to read from */ - const rec_t* rec, /*!< in: current rec */ - ulint col_no, /*!< in: column number */ - ulint mtype, /*!< in: column main type */ - ibool unsigned_type) /*!< in: signed or unsigned flag */ -{ - ulint len; - const byte* data; - ib_uint64_t value; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - - rec_offs_init(offsets_); - - offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &heap); - - data = rec_get_nth_field(rec, offsets, col_no, &len); - - ut_a(len != UNIV_SQL_NULL); - - switch (mtype) { - case DATA_INT: - ut_a(len <= sizeof value); - value = mach_read_int_type(data, len, unsigned_type); - break; - - case DATA_FLOAT: - ut_a(len == sizeof(float)); - value = mach_float_read(data); - break; - - case DATA_DOUBLE: - ut_a(len == sizeof(double)); - value = mach_double_read(data); - break; - - default: - ut_error; - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - if (!unsigned_type && (ib_int64_t) value < 0) { - value = 0; - } - - return(value); -} - -/*******************************************************************//** -Get the last row. -@return current rec or NULL */ -static -const rec_t* -row_search_autoinc_get_rec( -/*=======================*/ - btr_pcur_t* pcur, /*!< in: the current cursor */ - mtr_t* mtr) /*!< in: mini transaction */ -{ - do { - const rec_t* rec = btr_pcur_get_rec(pcur); - - if (page_rec_is_user_rec(rec)) { - return(rec); - } - } while (btr_pcur_move_to_prev(pcur, mtr)); - - return(NULL); -} - -/*******************************************************************//** -Read the max AUTOINC value from an index. -@return DB_SUCCESS if all OK else error code, DB_RECORD_NOT_FOUND if -column name can't be found in index */ -UNIV_INTERN -ulint -row_search_max_autoinc( -/*===================*/ - dict_index_t* index, /*!< in: index to search */ - const char* col_name, /*!< in: name of autoinc column */ - ib_uint64_t* value) /*!< out: AUTOINC value read */ -{ - ulint i; - ulint n_cols; - dict_field_t* dfield = NULL; - ulint error = DB_SUCCESS; - - n_cols = dict_index_get_n_ordering_defined_by_user(index); - - /* Search the index for the AUTOINC column name */ - for (i = 0; i < n_cols; ++i) { - dfield = dict_index_get_nth_field(index, i); - - if (strcmp(col_name, dfield->name) == 0) { - break; - } - } - - *value = 0; - - /* Must find the AUTOINC column name */ - if (i < n_cols && dfield) { - mtr_t mtr; - btr_pcur_t pcur; - - mtr_start(&mtr); - - /* Open at the high/right end (FALSE), and INIT - cursor (TRUE) */ - btr_pcur_open_at_index_side( - FALSE, index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); - - if (page_get_n_recs(btr_pcur_get_page(&pcur)) > 0) { - const rec_t* rec; - - rec = row_search_autoinc_get_rec(&pcur, &mtr); - - if (rec != NULL) { - ibool unsigned_type = ( - dfield->col->prtype & DATA_UNSIGNED); - - *value = row_search_autoinc_read_column( - index, rec, i, - dfield->col->mtype, unsigned_type); - } - } - - btr_pcur_close(&pcur); - - mtr_commit(&mtr); - } else { - error = DB_RECORD_NOT_FOUND; - } - - return(error); -} diff --git a/perfschema/row/row0uins.c b/perfschema/row/row0uins.c deleted file mode 100644 index 601cb23c372..00000000000 --- a/perfschema/row/row0uins.c +++ /dev/null @@ -1,352 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0uins.c -Fresh insert undo - -Created 2/25/1997 Heikki Tuuri -*******************************************************/ - -#include "row0uins.h" - -#ifdef UNIV_NONINL -#include "row0uins.ic" -#endif - -#include "dict0dict.h" -#include "dict0boot.h" -#include "dict0crea.h" -#include "trx0undo.h" -#include "trx0roll.h" -#include "btr0btr.h" -#include "mach0data.h" -#include "row0undo.h" -#include "row0vers.h" -#include "trx0trx.h" -#include "trx0rec.h" -#include "row0row.h" -#include "row0upd.h" -#include "que0que.h" -#include "ibuf0ibuf.h" -#include "log0log.h" - -/***************************************************************//** -Removes a clustered index record. The pcur in node was positioned on the -record, now it is detached. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_ins_remove_clust_rec( -/*==========================*/ - undo_node_t* node) /*!< in: undo node */ -{ - btr_cur_t* btr_cur; - ibool success; - ulint err; - ulint n_tries = 0; - mtr_t mtr; - - mtr_start(&mtr); - - success = btr_pcur_restore_position(BTR_MODIFY_LEAF, &(node->pcur), - &mtr); - ut_a(success); - - if (ut_dulint_cmp(node->table->id, DICT_INDEXES_ID) == 0) { - ut_ad(node->trx->dict_operation_lock_mode == RW_X_LATCH); - - /* Drop the index tree associated with the row in - SYS_INDEXES table: */ - - dict_drop_index_tree(btr_pcur_get_rec(&(node->pcur)), &mtr); - - mtr_commit(&mtr); - - mtr_start(&mtr); - - success = btr_pcur_restore_position(BTR_MODIFY_LEAF, - &(node->pcur), &mtr); - ut_a(success); - } - - btr_cur = btr_pcur_get_btr_cur(&(node->pcur)); - - success = btr_cur_optimistic_delete(btr_cur, &mtr); - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); - - if (success) { - trx_undo_rec_release(node->trx, node->undo_no); - - return(DB_SUCCESS); - } -retry: - /* If did not succeed, try pessimistic descent to tree */ - mtr_start(&mtr); - - success = btr_pcur_restore_position(BTR_MODIFY_TREE, - &(node->pcur), &mtr); - ut_a(success); - - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - trx_is_recv(node->trx) - ? RB_RECOVERY - : RB_NORMAL, &mtr); - - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - - if (err == DB_OUT_OF_FILE_SPACE - && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); - - n_tries++; - - os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); - - goto retry; - } - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); - - trx_undo_rec_release(node->trx, node->undo_no); - - return(err); -} - -/***************************************************************//** -Removes a secondary index entry if found. -@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_ins_remove_sec_low( -/*========================*/ - ulint mode, /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE, - depending on whether we wish optimistic or - pessimistic descent down the index tree */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry) /*!< in: index entry to remove */ -{ - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ulint err; - mtr_t mtr; - enum row_search_result search_result; - - log_free_check(); - mtr_start(&mtr); - - btr_cur = btr_pcur_get_btr_cur(&pcur); - - ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - - search_result = row_search_index_entry(index, entry, mode, - &pcur, &mtr); - - switch (search_result) { - case ROW_NOT_FOUND: - err = DB_SUCCESS; - goto func_exit; - case ROW_FOUND: - break; - case ROW_BUFFERED: - case ROW_NOT_DELETED_REF: - /* These are invalid outcomes, because the mode passed - to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ - ut_error; - } - - if (mode == BTR_MODIFY_LEAF) { - err = btr_cur_optimistic_delete(btr_cur, &mtr) - ? DB_SUCCESS : DB_FAIL; - } else { - ut_ad(mode == BTR_MODIFY_TREE); - - /* No need to distinguish RB_RECOVERY here, because we - are deleting a secondary index record: the distinction - between RB_NORMAL and RB_RECOVERY only matters when - deleting a record that contains externally stored - columns. */ - ut_ad(!dict_index_is_clust(index)); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - RB_NORMAL, &mtr); - } -func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(err); -} - -/***************************************************************//** -Removes a secondary index entry from the index if found. Tries first -optimistic, then pessimistic descent down the tree. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_ins_remove_sec( -/*====================*/ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry) /*!< in: index entry to insert */ -{ - ulint err; - ulint n_tries = 0; - - /* Try first optimistic descent to the B-tree */ - - err = row_undo_ins_remove_sec_low(BTR_MODIFY_LEAF, index, entry); - - if (err == DB_SUCCESS) { - - return(err); - } - - /* Try then pessimistic descent to the B-tree */ -retry: - err = row_undo_ins_remove_sec_low(BTR_MODIFY_TREE, index, entry); - - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - - if (err != DB_SUCCESS && n_tries < BTR_CUR_RETRY_DELETE_N_TIMES) { - - n_tries++; - - os_thread_sleep(BTR_CUR_RETRY_SLEEP_TIME); - - goto retry; - } - - return(err); -} - -/***********************************************************//** -Parses the row reference and other info in a fresh insert undo record. */ -static -void -row_undo_ins_parse_undo_rec( -/*========================*/ - undo_node_t* node) /*!< in/out: row undo node */ -{ - dict_index_t* clust_index; - byte* ptr; - undo_no_t undo_no; - dulint table_id; - ulint type; - ulint dummy; - ibool dummy_extern; - - ut_ad(node); - - ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &dummy, - &dummy_extern, &undo_no, &table_id); - ut_ad(type == TRX_UNDO_INSERT_REC); - node->rec_type = type; - - node->update = NULL; - node->table = dict_table_get_on_id(table_id, node->trx); - - /* Skip the UNDO if we can't find the table or the .ibd file. */ - if (UNIV_UNLIKELY(node->table == NULL)) { - } else if (UNIV_UNLIKELY(node->table->ibd_file_missing)) { - node->table = NULL; - } else { - clust_index = dict_table_get_first_index(node->table); - - if (clust_index != NULL) { - ptr = trx_undo_rec_get_row_ref( - ptr, clust_index, &node->ref, node->heap); - } else { - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: table "); - ut_print_name(stderr, node->trx, TRUE, - node->table->name); - fprintf(stderr, " has no indexes, " - "ignoring the table\n"); - - node->table = NULL; - } - } -} - -/***********************************************************//** -Undoes a fresh insert of a row to a table. A fresh insert means that -the same clustered index unique key did not have any record, even delete -marked, at the time of the insert. InnoDB is eager in a rollback: -if it figures out that an index record will be removed in the purge -anyway, it will remove it in the rollback. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -UNIV_INTERN -ulint -row_undo_ins( -/*=========*/ - undo_node_t* node) /*!< in: row undo node */ -{ - ut_ad(node); - ut_ad(node->state == UNDO_NODE_INSERT); - - row_undo_ins_parse_undo_rec(node); - - if (!node->table || !row_undo_search_clust_to_pcur(node)) { - trx_undo_rec_release(node->trx, node->undo_no); - - return(DB_SUCCESS); - } - - /* Iterate over all the indexes and undo the insert.*/ - - /* Skip the clustered index (the first index) */ - node->index = dict_table_get_next_index( - dict_table_get_first_index(node->table)); - - while (node->index != NULL) { - dtuple_t* entry; - ulint err; - - entry = row_build_index_entry(node->row, node->ext, - node->index, node->heap); - if (UNIV_UNLIKELY(!entry)) { - /* The database must have crashed after - inserting a clustered index record but before - writing all the externally stored columns of - that record. Because secondary index entries - are inserted after the clustered index record, - we may assume that the secondary index record - does not exist. However, this situation may - only occur during the rollback of incomplete - transactions. */ - ut_a(trx_is_recv(node->trx)); - } else { - err = row_undo_ins_remove_sec(node->index, entry); - - if (err != DB_SUCCESS) { - - return(err); - } - } - - node->index = dict_table_get_next_index(node->index); - } - - return(row_undo_ins_remove_clust_rec(node)); -} diff --git a/perfschema/row/row0umod.c b/perfschema/row/row0umod.c deleted file mode 100644 index 80f57870316..00000000000 --- a/perfschema/row/row0umod.c +++ /dev/null @@ -1,849 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0umod.c -Undo modify of a row - -Created 2/27/1997 Heikki Tuuri -*******************************************************/ - -#include "row0umod.h" - -#ifdef UNIV_NONINL -#include "row0umod.ic" -#endif - -#include "dict0dict.h" -#include "dict0boot.h" -#include "trx0undo.h" -#include "trx0roll.h" -#include "btr0btr.h" -#include "mach0data.h" -#include "row0undo.h" -#include "row0vers.h" -#include "trx0trx.h" -#include "trx0rec.h" -#include "row0row.h" -#include "row0upd.h" -#include "que0que.h" -#include "log0log.h" - -/* Considerations on undoing a modify operation. -(1) Undoing a delete marking: all index records should be found. Some of -them may have delete mark already FALSE, if the delete mark operation was -stopped underway, or if the undo operation ended prematurely because of a -system crash. -(2) Undoing an update of a delete unmarked record: the newer version of -an updated secondary index entry should be removed if no prior version -of the clustered index record requires its existence. Otherwise, it should -be delete marked. -(3) Undoing an update of a delete marked record. In this kind of update a -delete marked clustered index record was delete unmarked and possibly also -some of its fields were changed. Now, it is possible that the delete marked -version has become obsolete at the time the undo is started. */ - -/***********************************************************//** -Checks if also the previous version of the clustered index record was -modified or inserted by the same transaction, and its undo number is such -that it should be undone in the same rollback. -@return TRUE if also previous modify or insert of this row should be undone */ -UNIV_INLINE -ibool -row_undo_mod_undo_also_prev_vers( -/*=============================*/ - undo_node_t* node, /*!< in: row undo node */ - undo_no_t* undo_no)/*!< out: the undo number */ -{ - trx_undo_rec_t* undo_rec; - trx_t* trx; - - trx = node->trx; - - if (0 != ut_dulint_cmp(node->new_trx_id, trx->id)) { - - *undo_no = ut_dulint_zero; - return(FALSE); - } - - undo_rec = trx_undo_get_undo_rec_low(node->new_roll_ptr, node->heap); - - *undo_no = trx_undo_rec_get_undo_no(undo_rec); - - return(ut_dulint_cmp(trx->roll_limit, *undo_no) <= 0); -} - -/***********************************************************//** -Undoes a modify in a clustered index record. -@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ -static -ulint -row_undo_mod_clust_low( -/*===================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr, /*!< in: mtr; must be committed before - latching any further pages */ - ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ -{ - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ulint err; - ibool success; - - pcur = &(node->pcur); - btr_cur = btr_pcur_get_btr_cur(pcur); - - success = btr_pcur_restore_position(mode, pcur, mtr); - - ut_ad(success); - - if (mode == BTR_MODIFY_LEAF) { - - err = btr_cur_optimistic_update(BTR_NO_LOCKING_FLAG - | BTR_NO_UNDO_LOG_FLAG - | BTR_KEEP_SYS_FLAG, - btr_cur, node->update, - node->cmpl_info, thr, mtr); - } else { - mem_heap_t* heap = NULL; - big_rec_t* dummy_big_rec; - - ut_ad(mode == BTR_MODIFY_TREE); - - err = btr_cur_pessimistic_update( - BTR_NO_LOCKING_FLAG - | BTR_NO_UNDO_LOG_FLAG - | BTR_KEEP_SYS_FLAG, - btr_cur, &heap, &dummy_big_rec, node->update, - node->cmpl_info, thr, mtr); - - ut_a(!dummy_big_rec); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - } - - return(err); -} - -/***********************************************************//** -Removes a clustered index record after undo if possible. -This is attempted when the record was inserted by updating a -delete-marked record and there no longer exist transactions -that would see the delete-marked record. In other words, we -roll back the insert by purging the record. -@return DB_SUCCESS, DB_FAIL, or error code: we may run out of file space */ -static -ulint -row_undo_mod_remove_clust_low( -/*==========================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr, /*!< in: mtr */ - ulint mode) /*!< in: BTR_MODIFY_LEAF or BTR_MODIFY_TREE */ -{ - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ulint err; - ibool success; - - ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); - pcur = &(node->pcur); - btr_cur = btr_pcur_get_btr_cur(pcur); - - success = btr_pcur_restore_position(mode, pcur, mtr); - - if (!success) { - - return(DB_SUCCESS); - } - - /* Find out if we can remove the whole clustered index record */ - - if (node->rec_type == TRX_UNDO_UPD_DEL_REC - && !row_vers_must_preserve_del_marked(node->new_trx_id, mtr)) { - - /* Ok, we can remove */ - } else { - return(DB_SUCCESS); - } - - if (mode == BTR_MODIFY_LEAF) { - success = btr_cur_optimistic_delete(btr_cur, mtr); - - if (success) { - err = DB_SUCCESS; - } else { - err = DB_FAIL; - } - } else { - ut_ad(mode == BTR_MODIFY_TREE); - - /* This operation is analogous to purge, we can free also - inherited externally stored fields */ - - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - thr_is_recv(thr) - ? RB_RECOVERY_PURGE_REC - : RB_NONE, mtr); - - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - } - - return(err); -} - -/***********************************************************//** -Undoes a modify in a clustered index record. Sets also the node state for the -next round of undo. -@return DB_SUCCESS or error code: we may run out of file space */ -static -ulint -row_undo_mod_clust( -/*===============*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - btr_pcur_t* pcur; - mtr_t mtr; - ulint err; - ibool success; - ibool more_vers; - undo_no_t new_undo_no; - - ut_ad(node && thr); - - /* Check if also the previous version of the clustered index record - should be undone in this same rollback operation */ - - more_vers = row_undo_mod_undo_also_prev_vers(node, &new_undo_no); - - pcur = &(node->pcur); - - mtr_start(&mtr); - - /* Try optimistic processing of the record, keeping changes within - the index page */ - - err = row_undo_mod_clust_low(node, thr, &mtr, BTR_MODIFY_LEAF); - - if (err != DB_SUCCESS) { - btr_pcur_commit_specify_mtr(pcur, &mtr); - - /* We may have to modify tree structure: do a pessimistic - descent down the index tree */ - - mtr_start(&mtr); - - err = row_undo_mod_clust_low(node, thr, &mtr, BTR_MODIFY_TREE); - } - - btr_pcur_commit_specify_mtr(pcur, &mtr); - - if (err == DB_SUCCESS && node->rec_type == TRX_UNDO_UPD_DEL_REC) { - - mtr_start(&mtr); - - err = row_undo_mod_remove_clust_low(node, thr, &mtr, - BTR_MODIFY_LEAF); - if (err != DB_SUCCESS) { - btr_pcur_commit_specify_mtr(pcur, &mtr); - - /* We may have to modify tree structure: do a - pessimistic descent down the index tree */ - - mtr_start(&mtr); - - err = row_undo_mod_remove_clust_low(node, thr, &mtr, - BTR_MODIFY_TREE); - } - - btr_pcur_commit_specify_mtr(pcur, &mtr); - } - - node->state = UNDO_NODE_FETCH_NEXT; - - trx_undo_rec_release(node->trx, node->undo_no); - - if (more_vers && err == DB_SUCCESS) { - - /* Reserve the undo log record to the prior version after - committing &mtr: this is necessary to comply with the latching - order, as &mtr may contain the fsp latch which is lower in - the latch hierarchy than trx->undo_mutex. */ - - success = trx_undo_rec_reserve(node->trx, new_undo_no); - - if (success) { - node->state = UNDO_NODE_PREV_VERS; - } - } - - return(err); -} - -/***********************************************************//** -Delete marks or removes a secondary index entry if found. -@return DB_SUCCESS, DB_FAIL, or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_del_mark_or_remove_sec_low( -/*====================================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr, /*!< in: query thread */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry, /*!< in: index entry */ - ulint mode) /*!< in: latch mode BTR_MODIFY_LEAF or - BTR_MODIFY_TREE */ -{ - btr_pcur_t pcur; - btr_cur_t* btr_cur; - ibool success; - ibool old_has; - ulint err; - mtr_t mtr; - mtr_t mtr_vers; - enum row_search_result search_result; - - log_free_check(); - mtr_start(&mtr); - - btr_cur = btr_pcur_get_btr_cur(&pcur); - - ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - - search_result = row_search_index_entry(index, entry, mode, - &pcur, &mtr); - - switch (UNIV_EXPECT(search_result, ROW_FOUND)) { - case ROW_NOT_FOUND: - /* In crash recovery, the secondary index record may - be missing if the UPDATE did not have time to insert - the secondary index records before the crash. When we - are undoing that UPDATE in crash recovery, the record - may be missing. - - In normal processing, if an update ends in a deadlock - before it has inserted all updated secondary index - records, then the undo will not find those records. */ - - err = DB_SUCCESS; - goto func_exit; - case ROW_FOUND: - break; - case ROW_BUFFERED: - case ROW_NOT_DELETED_REF: - /* These are invalid outcomes, because the mode passed - to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ - ut_error; - } - - /* We should remove the index record if no prior version of the row, - which cannot be purged yet, requires its existence. If some requires, - we should delete mark the record. */ - - mtr_start(&mtr_vers); - - success = btr_pcur_restore_position(BTR_SEARCH_LEAF, &(node->pcur), - &mtr_vers); - ut_a(success); - - old_has = row_vers_old_has_index_entry(FALSE, - btr_pcur_get_rec(&(node->pcur)), - &mtr_vers, index, entry); - if (old_has) { - err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG, - btr_cur, TRUE, thr, &mtr); - ut_ad(err == DB_SUCCESS); - } else { - /* Remove the index record */ - - if (mode == BTR_MODIFY_LEAF) { - success = btr_cur_optimistic_delete(btr_cur, &mtr); - if (success) { - err = DB_SUCCESS; - } else { - err = DB_FAIL; - } - } else { - ut_ad(mode == BTR_MODIFY_TREE); - - /* No need to distinguish RB_RECOVERY_PURGE here, - because we are deleting a secondary index record: - the distinction between RB_NORMAL and - RB_RECOVERY_PURGE only matters when deleting a - record that contains externally stored - columns. */ - ut_ad(!dict_index_is_clust(index)); - btr_cur_pessimistic_delete(&err, FALSE, btr_cur, - RB_NORMAL, &mtr); - - /* The delete operation may fail if we have little - file space left: TODO: easiest to crash the database - and restart with more file space */ - } - } - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr_vers); - -func_exit: - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(err); -} - -/***********************************************************//** -Delete marks or removes a secondary index entry if found. -NOTE that if we updated the fields of a delete-marked secondary index record -so that alphabetically they stayed the same, e.g., 'abc' -> 'aBc', we cannot -return to the original values because we do not know them. But this should -not cause problems because in row0sel.c, in queries we always retrieve the -clustered index record or an earlier version of it, if the secondary index -record through which we do the search is delete-marked. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_del_mark_or_remove_sec( -/*================================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr, /*!< in: query thread */ - dict_index_t* index, /*!< in: index */ - dtuple_t* entry) /*!< in: index entry */ -{ - ulint err; - - err = row_undo_mod_del_mark_or_remove_sec_low(node, thr, index, - entry, BTR_MODIFY_LEAF); - if (err == DB_SUCCESS) { - - return(err); - } - - err = row_undo_mod_del_mark_or_remove_sec_low(node, thr, index, - entry, BTR_MODIFY_TREE); - return(err); -} - -/***********************************************************//** -Delete unmarks a secondary index entry which must be found. It might not be -delete-marked at the moment, but it does not harm to unmark it anyway. We also -need to update the fields of the secondary index record if we updated its -fields but alphabetically they stayed the same, e.g., 'abc' -> 'aBc'. -@return DB_FAIL or DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_del_unmark_sec_and_undo_update( -/*========================================*/ - ulint mode, /*!< in: search mode: BTR_MODIFY_LEAF or - BTR_MODIFY_TREE */ - que_thr_t* thr, /*!< in: query thread */ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry) /*!< in: index entry */ -{ - mem_heap_t* heap; - btr_pcur_t pcur; - btr_cur_t* btr_cur; - upd_t* update; - ulint err = DB_SUCCESS; - big_rec_t* dummy_big_rec; - mtr_t mtr; - trx_t* trx = thr_get_trx(thr); - enum row_search_result search_result; - - /* Ignore indexes that are being created. */ - if (UNIV_UNLIKELY(*index->name == TEMP_INDEX_PREFIX)) { - - return(DB_SUCCESS); - } - - log_free_check(); - mtr_start(&mtr); - - ut_ad(mode == BTR_MODIFY_TREE || mode == BTR_MODIFY_LEAF); - - search_result = row_search_index_entry(index, entry, mode, - &pcur, &mtr); - - switch (search_result) { - case ROW_BUFFERED: - case ROW_NOT_DELETED_REF: - /* These are invalid outcomes, because the mode passed - to row_search_index_entry() did not include any of the - flags BTR_INSERT, BTR_DELETE, or BTR_DELETE_MARK. */ - ut_error; - case ROW_NOT_FOUND: - fputs("InnoDB: error in sec index entry del undo in\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - fputs("\n" - "InnoDB: tuple ", stderr); - dtuple_print(stderr, entry); - fputs("\n" - "InnoDB: record ", stderr); - rec_print(stderr, btr_pcur_get_rec(&pcur), index); - putc('\n', stderr); - trx_print(stderr, trx, 0); - fputs("\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", stderr); - break; - case ROW_FOUND: - btr_cur = btr_pcur_get_btr_cur(&pcur); - err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG, - btr_cur, FALSE, thr, &mtr); - ut_a(err == DB_SUCCESS); - heap = mem_heap_create(100); - - update = row_upd_build_sec_rec_difference_binary( - index, entry, btr_cur_get_rec(btr_cur), trx, heap); - if (upd_get_n_fields(update) == 0) { - - /* Do nothing */ - - } else if (mode == BTR_MODIFY_LEAF) { - /* Try an optimistic updating of the record, keeping - changes within the page */ - - err = btr_cur_optimistic_update( - BTR_KEEP_SYS_FLAG | BTR_NO_LOCKING_FLAG, - btr_cur, update, 0, thr, &mtr); - switch (err) { - case DB_OVERFLOW: - case DB_UNDERFLOW: - case DB_ZIP_OVERFLOW: - err = DB_FAIL; - } - } else { - ut_a(mode == BTR_MODIFY_TREE); - err = btr_cur_pessimistic_update( - BTR_KEEP_SYS_FLAG | BTR_NO_LOCKING_FLAG, - btr_cur, &heap, &dummy_big_rec, - update, 0, thr, &mtr); - ut_a(!dummy_big_rec); - } - - mem_heap_free(heap); - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - return(err); -} - -/***********************************************************//** -Undoes a modify in secondary indexes when undo record type is UPD_DEL. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_upd_del_sec( -/*=====================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - ulint err = DB_SUCCESS; - - ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); - heap = mem_heap_create(1024); - - while (node->index != NULL) { - index = node->index; - - entry = row_build_index_entry(node->row, node->ext, - index, heap); - if (UNIV_UNLIKELY(!entry)) { - /* The database must have crashed after - inserting a clustered index record but before - writing all the externally stored columns of - that record. Because secondary index entries - are inserted after the clustered index record, - we may assume that the secondary index record - does not exist. However, this situation may - only occur during the rollback of incomplete - transactions. */ - ut_a(thr_is_recv(thr)); - } else { - err = row_undo_mod_del_mark_or_remove_sec( - node, thr, index, entry); - - if (err != DB_SUCCESS) { - - break; - } - } - - mem_heap_empty(heap); - - node->index = dict_table_get_next_index(node->index); - } - - mem_heap_free(heap); - - return(err); -} - -/***********************************************************//** -Undoes a modify in secondary indexes when undo record type is DEL_MARK. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_del_mark_sec( -/*======================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - ulint err; - - heap = mem_heap_create(1024); - - while (node->index != NULL) { - index = node->index; - - entry = row_build_index_entry(node->row, node->ext, - index, heap); - ut_a(entry); - err = row_undo_mod_del_unmark_sec_and_undo_update( - BTR_MODIFY_LEAF, thr, index, entry); - if (err == DB_FAIL) { - err = row_undo_mod_del_unmark_sec_and_undo_update( - BTR_MODIFY_TREE, thr, index, entry); - } - - if (err != DB_SUCCESS) { - - mem_heap_free(heap); - - return(err); - } - - node->index = dict_table_get_next_index(node->index); - } - - mem_heap_free(heap); - - return(DB_SUCCESS); -} - -/***********************************************************//** -Undoes a modify in secondary indexes when undo record type is UPD_EXIST. -@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ -static -ulint -row_undo_mod_upd_exist_sec( -/*=======================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - ulint err; - - if (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) { - /* No change in secondary indexes */ - - return(DB_SUCCESS); - } - - heap = mem_heap_create(1024); - - while (node->index != NULL) { - index = node->index; - - if (row_upd_changes_ord_field_binary(node->row, node->index, - node->update)) { - - /* Build the newest version of the index entry */ - entry = row_build_index_entry(node->row, node->ext, - index, heap); - ut_a(entry); - /* NOTE that if we updated the fields of a - delete-marked secondary index record so that - alphabetically they stayed the same, e.g., - 'abc' -> 'aBc', we cannot return to the original - values because we do not know them. But this should - not cause problems because in row0sel.c, in queries - we always retrieve the clustered index record or an - earlier version of it, if the secondary index record - through which we do the search is delete-marked. */ - - err = row_undo_mod_del_mark_or_remove_sec(node, thr, - index, - entry); - if (err != DB_SUCCESS) { - mem_heap_free(heap); - - return(err); - } - - /* We may have to update the delete mark in the - secondary index record of the previous version of - the row. We also need to update the fields of - the secondary index record if we updated its fields - but alphabetically they stayed the same, e.g., - 'abc' -> 'aBc'. */ - mem_heap_empty(heap); - entry = row_build_index_entry(node->undo_row, - node->undo_ext, - index, heap); - ut_a(entry); - - err = row_undo_mod_del_unmark_sec_and_undo_update( - BTR_MODIFY_LEAF, thr, index, entry); - if (err == DB_FAIL) { - err = row_undo_mod_del_unmark_sec_and_undo_update( - BTR_MODIFY_TREE, thr, index, entry); - } - - if (err != DB_SUCCESS) { - mem_heap_free(heap); - - return(err); - } - } - - node->index = dict_table_get_next_index(node->index); - } - - mem_heap_free(heap); - - return(DB_SUCCESS); -} - -/***********************************************************//** -Parses the row reference and other info in a modify undo log record. */ -static -void -row_undo_mod_parse_undo_rec( -/*========================*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - dict_index_t* clust_index; - byte* ptr; - undo_no_t undo_no; - dulint table_id; - trx_id_t trx_id; - roll_ptr_t roll_ptr; - ulint info_bits; - ulint type; - ulint cmpl_info; - ibool dummy_extern; - trx_t* trx; - - ut_ad(node && thr); - trx = thr_get_trx(thr); - ptr = trx_undo_rec_get_pars(node->undo_rec, &type, &cmpl_info, - &dummy_extern, &undo_no, &table_id); - node->rec_type = type; - - node->table = dict_table_get_on_id(table_id, trx); - - /* TODO: other fixes associated with DROP TABLE + rollback in the - same table by another user */ - - if (node->table == NULL) { - /* Table was dropped */ - return; - } - - if (node->table->ibd_file_missing) { - /* We skip undo operations to missing .ibd files */ - node->table = NULL; - - return; - } - - clust_index = dict_table_get_first_index(node->table); - - ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, - &info_bits); - - ptr = trx_undo_rec_get_row_ref(ptr, clust_index, &(node->ref), - node->heap); - - trx_undo_update_rec_get_update(ptr, clust_index, type, trx_id, - roll_ptr, info_bits, trx, - node->heap, &(node->update)); - node->new_roll_ptr = roll_ptr; - node->new_trx_id = trx_id; - node->cmpl_info = cmpl_info; -} - -/***********************************************************//** -Undoes a modify operation on a row of a table. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -row_undo_mod( -/*=========*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - - ut_ad(node && thr); - ut_ad(node->state == UNDO_NODE_MODIFY); - - row_undo_mod_parse_undo_rec(node, thr); - - if (!node->table || !row_undo_search_clust_to_pcur(node)) { - /* It is already undone, or will be undone by another query - thread, or table was dropped */ - - trx_undo_rec_release(node->trx, node->undo_no); - node->state = UNDO_NODE_FETCH_NEXT; - - return(DB_SUCCESS); - } - - node->index = dict_table_get_next_index( - dict_table_get_first_index(node->table)); - - if (node->rec_type == TRX_UNDO_UPD_EXIST_REC) { - - err = row_undo_mod_upd_exist_sec(node, thr); - - } else if (node->rec_type == TRX_UNDO_DEL_MARK_REC) { - - err = row_undo_mod_del_mark_sec(node, thr); - } else { - ut_ad(node->rec_type == TRX_UNDO_UPD_DEL_REC); - err = row_undo_mod_upd_del_sec(node, thr); - } - - if (err != DB_SUCCESS) { - - return(err); - } - - err = row_undo_mod_clust(node, thr); - - return(err); -} diff --git a/perfschema/row/row0undo.c b/perfschema/row/row0undo.c deleted file mode 100644 index 3d739c9689a..00000000000 --- a/perfschema/row/row0undo.c +++ /dev/null @@ -1,377 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0undo.c -Row undo - -Created 1/8/1997 Heikki Tuuri -*******************************************************/ - -#include "row0undo.h" - -#ifdef UNIV_NONINL -#include "row0undo.ic" -#endif - -#include "fsp0fsp.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "trx0undo.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "que0que.h" -#include "row0row.h" -#include "row0uins.h" -#include "row0umod.h" -#include "row0upd.h" -#include "row0mysql.h" -#include "srv0srv.h" - -/* How to undo row operations? -(1) For an insert, we have stored a prefix of the clustered index record -in the undo log. Using it, we look for the clustered record, and using -that we look for the records in the secondary indexes. The insert operation -may have been left incomplete, if the database crashed, for example. -We may have look at the trx id and roll ptr to make sure the record in the -clustered index is really the one for which the undo log record was -written. We can use the framework we get from the original insert op. -(2) Delete marking: We can use the framework we get from the original -delete mark op. We only have to check the trx id. -(3) Update: This may be the most complicated. We have to use the framework -we get from the original update op. - -What if the same trx repeatedly deletes and inserts an identical row. -Then the row id changes and also roll ptr. What if the row id was not -part of the ordering fields in the clustered index? Maybe we have to write -it to undo log. Well, maybe not, because if we order the row id and trx id -in descending order, then the only undeleted copy is the first in the -index. Our searches in row operations always position the cursor before -the first record in the result set. But, if there is no key defined for -a table, then it would be desirable that row id is in ascending order. -So, lets store row id in descending order only if it is not an ordering -field in the clustered index. - -NOTE: Deletes and inserts may lead to situation where there are identical -records in a secondary index. Is that a problem in the B-tree? Yes. -Also updates can lead to this, unless trx id and roll ptr are included in -ord fields. -(1) Fix in clustered indexes: include row id, trx id, and roll ptr -in node pointers of B-tree. -(2) Fix in secondary indexes: include all fields in node pointers, and -if an entry is inserted, check if it is equal to the right neighbor, -in which case update the right neighbor: the neighbor must be delete -marked, set it unmarked and write the trx id of the current transaction. - -What if the same trx repeatedly updates the same row, updating a secondary -index field or not? Updating a clustered index ordering field? - -(1) If it does not update the secondary index and not the clustered index -ord field. Then the secondary index record stays unchanged, but the -trx id in the secondary index record may be smaller than in the clustered -index record. This is no problem? -(2) If it updates secondary index ord field but not clustered: then in -secondary index there are delete marked records, which differ in an -ord field. No problem. -(3) Updates clustered ord field but not secondary, and secondary index -is unique. Then the record in secondary index is just updated at the -clustered ord field. -(4) - -Problem with duplicate records: -Fix 1: Add a trx op no field to all indexes. A problem: if a trx with a -bigger trx id has inserted and delete marked a similar row, our trx inserts -again a similar row, and a trx with an even bigger id delete marks it. Then -the position of the row should change in the index if the trx id affects -the alphabetical ordering. - -Fix 2: If an insert encounters a similar row marked deleted, we turn the -insert into an 'update' of the row marked deleted. Then we must write undo -info on the update. A problem: what if a purge operation tries to remove -the delete marked row? - -We can think of the database row versions as a linked list which starts -from the record in the clustered index, and is linked by roll ptrs -through undo logs. The secondary index records are references which tell -what kinds of records can be found in this linked list for a record -in the clustered index. - -How to do the purge? A record can be removed from the clustered index -if its linked list becomes empty, i.e., the row has been marked deleted -and its roll ptr points to the record in the undo log we are going through, -doing the purge. Similarly, during a rollback, a record can be removed -if the stored roll ptr in the undo log points to a trx already (being) purged, -or if the roll ptr is NULL, i.e., it was a fresh insert. */ - -/********************************************************************//** -Creates a row undo node to a query graph. -@return own: undo node */ -UNIV_INTERN -undo_node_t* -row_undo_node_create( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - que_thr_t* parent, /*!< in: parent node, i.e., a thr node */ - mem_heap_t* heap) /*!< in: memory heap where created */ -{ - undo_node_t* undo; - - ut_ad(trx && parent && heap); - - undo = mem_heap_alloc(heap, sizeof(undo_node_t)); - - undo->common.type = QUE_NODE_UNDO; - undo->common.parent = parent; - - undo->state = UNDO_NODE_FETCH_NEXT; - undo->trx = trx; - - btr_pcur_init(&(undo->pcur)); - - undo->heap = mem_heap_create(256); - - return(undo); -} - -/***********************************************************//** -Looks for the clustered index record when node has the row reference. -The pcur in node is used in the search. If found, stores the row to node, -and stores the position of pcur, and detaches it. The pcur must be closed -by the caller in any case. -@return TRUE if found; NOTE the node->pcur must be closed by the -caller, regardless of the return value */ -UNIV_INTERN -ibool -row_undo_search_clust_to_pcur( -/*==========================*/ - undo_node_t* node) /*!< in: row undo node */ -{ - dict_index_t* clust_index; - ibool found; - mtr_t mtr; - ibool ret; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - mtr_start(&mtr); - - clust_index = dict_table_get_first_index(node->table); - - found = row_search_on_row_ref(&(node->pcur), BTR_MODIFY_LEAF, - node->table, node->ref, &mtr); - - rec = btr_pcur_get_rec(&(node->pcur)); - - offsets = rec_get_offsets(rec, clust_index, offsets, - ULINT_UNDEFINED, &heap); - - if (!found || 0 != ut_dulint_cmp(node->roll_ptr, - row_get_rec_roll_ptr(rec, clust_index, - offsets))) { - - /* We must remove the reservation on the undo log record - BEFORE releasing the latch on the clustered index page: this - is to make sure that some thread will eventually undo the - modification corresponding to node->roll_ptr. */ - - /* fputs("--------------------undoing a previous version\n", - stderr); */ - - ret = FALSE; - } else { - node->row = row_build(ROW_COPY_DATA, clust_index, rec, - offsets, NULL, &node->ext, node->heap); - if (node->update) { - node->undo_row = dtuple_copy(node->row, node->heap); - row_upd_replace(node->undo_row, &node->undo_ext, - clust_index, node->update, node->heap); - } else { - node->undo_row = NULL; - node->undo_ext = NULL; - } - - btr_pcur_store_position(&(node->pcur), &mtr); - - ret = TRUE; - } - - btr_pcur_commit_specify_mtr(&(node->pcur), &mtr); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(ret); -} - -/***********************************************************//** -Fetches an undo log record and does the undo for the recorded operation. -If none left, or a partial rollback completed, returns control to the -parent node, which is always a query thread node. -@return DB_SUCCESS if operation successfully completed, else error code */ -static -ulint -row_undo( -/*=====*/ - undo_node_t* node, /*!< in: row undo node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - trx_t* trx; - roll_ptr_t roll_ptr; - ibool locked_data_dict; - - ut_ad(node && thr); - - trx = node->trx; - - if (node->state == UNDO_NODE_FETCH_NEXT) { - - node->undo_rec = trx_roll_pop_top_rec_of_trx(trx, - trx->roll_limit, - &roll_ptr, - node->heap); - if (!node->undo_rec) { - /* Rollback completed for this query thread */ - - thr->run_node = que_node_get_parent(node); - - return(DB_SUCCESS); - } - - node->roll_ptr = roll_ptr; - node->undo_no = trx_undo_rec_get_undo_no(node->undo_rec); - - if (trx_undo_roll_ptr_is_insert(roll_ptr)) { - - node->state = UNDO_NODE_INSERT; - } else { - node->state = UNDO_NODE_MODIFY; - } - - } else if (node->state == UNDO_NODE_PREV_VERS) { - - /* Undo should be done to the same clustered index record - again in this same rollback, restoring the previous version */ - - roll_ptr = node->new_roll_ptr; - - node->undo_rec = trx_undo_get_undo_rec_low(roll_ptr, - node->heap); - node->roll_ptr = roll_ptr; - node->undo_no = trx_undo_rec_get_undo_no(node->undo_rec); - - if (trx_undo_roll_ptr_is_insert(roll_ptr)) { - - node->state = UNDO_NODE_INSERT; - } else { - node->state = UNDO_NODE_MODIFY; - } - } - - /* Prevent DROP TABLE etc. while we are rolling back this row. - If we are doing a TABLE CREATE or some other dictionary operation, - then we already have dict_operation_lock locked in x-mode. Do not - try to lock again, because that would cause a hang. */ - - locked_data_dict = (trx->dict_operation_lock_mode == 0); - - if (locked_data_dict) { - - row_mysql_lock_data_dictionary(trx); - } - - if (node->state == UNDO_NODE_INSERT) { - - err = row_undo_ins(node); - - node->state = UNDO_NODE_FETCH_NEXT; - } else { - ut_ad(node->state == UNDO_NODE_MODIFY); - err = row_undo_mod(node, thr); - } - - if (locked_data_dict) { - - row_mysql_unlock_data_dictionary(trx); - } - - /* Do some cleanup */ - btr_pcur_close(&(node->pcur)); - - mem_heap_empty(node->heap); - - thr->run_node = node; - - return(err); -} - -/***********************************************************//** -Undoes a row operation in a table. This is a high-level function used -in SQL execution graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_undo_step( -/*==========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err; - undo_node_t* node; - trx_t* trx; - - ut_ad(thr); - - srv_activity_count++; - - trx = thr_get_trx(thr); - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_UNDO); - - err = row_undo(node, thr); - - trx->error_state = err; - - if (err != DB_SUCCESS) { - /* SQL error detected */ - - fprintf(stderr, "InnoDB: Fatal error %lu in rollback.\n", - (ulong) err); - - if (err == DB_OUT_OF_FILE_SPACE) { - fprintf(stderr, - "InnoDB: Error 13 means out of tablespace.\n" - "InnoDB: Consider increasing" - " your tablespace.\n"); - - exit(1); - } - - ut_error; - - return(NULL); - } - - return(thr); -} diff --git a/perfschema/row/row0upd.c b/perfschema/row/row0upd.c deleted file mode 100644 index 26a5a91c0e2..00000000000 --- a/perfschema/row/row0upd.c +++ /dev/null @@ -1,2208 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0upd.c -Update of a row - -Created 12/27/1996 Heikki Tuuri -*******************************************************/ - -#include "row0upd.h" - -#ifdef UNIV_NONINL -#include "row0upd.ic" -#endif - -#include "dict0dict.h" -#include "trx0undo.h" -#include "rem0rec.h" -#ifndef UNIV_HOTBACKUP -#include "dict0boot.h" -#include "dict0crea.h" -#include "mach0data.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "que0que.h" -#include "row0ext.h" -#include "row0ins.h" -#include "row0sel.h" -#include "row0row.h" -#include "rem0cmp.h" -#include "lock0lock.h" -#include "log0log.h" -#include "pars0sym.h" -#include "eval0eval.h" -#include "buf0lru.h" - - -/* What kind of latch and lock can we assume when the control comes to - ------------------------------------------------------------------- -an update node? --------------- -Efficiency of massive updates would require keeping an x-latch on a -clustered index page through many updates, and not setting an explicit -x-lock on clustered index records, as they anyway will get an implicit -x-lock when they are updated. A problem is that the read nodes in the -graph should know that they must keep the latch when passing the control -up to the update node, and not set any record lock on the record which -will be updated. Another problem occurs if the execution is stopped, -as the kernel switches to another query thread, or the transaction must -wait for a lock. Then we should be able to release the latch and, maybe, -acquire an explicit x-lock on the record. - Because this seems too complicated, we conclude that the less -efficient solution of releasing all the latches when the control is -transferred to another node, and acquiring explicit x-locks, is better. */ - -/* How is a delete performed? If there is a delete without an -explicit cursor, i.e., a searched delete, there are at least -two different situations: -the implicit select cursor may run on (1) the clustered index or -on (2) a secondary index. The delete is performed by setting -the delete bit in the record and substituting the id of the -deleting transaction for the original trx id, and substituting a -new roll ptr for previous roll ptr. The old trx id and roll ptr -are saved in the undo log record. Thus, no physical changes occur -in the index tree structure at the time of the delete. Only -when the undo log is purged, the index records will be physically -deleted from the index trees. - -The query graph executing a searched delete would consist of -a delete node which has as a subtree a select subgraph. -The select subgraph should return a (persistent) cursor -in the clustered index, placed on page which is x-latched. -The delete node should look for all secondary index records for -this clustered index entry and mark them as deleted. When is -the x-latch freed? The most efficient way for performing a -searched delete is obviously to keep the x-latch for several -steps of query graph execution. */ - -/***********************************************************//** -Checks if an update vector changes some of the first ordering fields of an -index record. This is only used in foreign key checks and we can assume -that index does not contain column prefixes. -@return TRUE if changes */ -static -ibool -row_upd_changes_first_fields_binary( -/*================================*/ - dtuple_t* entry, /*!< in: old value of index entry */ - dict_index_t* index, /*!< in: index of entry */ - const upd_t* update, /*!< in: update vector for the row */ - ulint n); /*!< in: how many first fields to check */ - - -/*********************************************************************//** -Checks if index currently is mentioned as a referenced index in a foreign -key constraint. - -NOTE that since we do not hold dict_operation_lock when leaving the -function, it may be that the referencing table has been dropped when -we leave this function: this function is only for heuristic use! - -@return TRUE if referenced */ -static -ibool -row_upd_index_is_referenced( -/*========================*/ - dict_index_t* index, /*!< in: index */ - trx_t* trx) /*!< in: transaction */ -{ - dict_table_t* table = index->table; - dict_foreign_t* foreign; - ibool froze_data_dict = FALSE; - ibool is_referenced = FALSE; - - if (!UT_LIST_GET_FIRST(table->referenced_list)) { - - return(FALSE); - } - - if (trx->dict_operation_lock_mode == 0) { - row_mysql_freeze_data_dictionary(trx); - froze_data_dict = TRUE; - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign) { - if (foreign->referenced_index == index) { - - is_referenced = TRUE; - goto func_exit; - } - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - -func_exit: - if (froze_data_dict) { - row_mysql_unfreeze_data_dictionary(trx); - } - - return(is_referenced); -} - -/*********************************************************************//** -Checks if possible foreign key constraints hold after a delete of the record -under pcur. - -NOTE that this function will temporarily commit mtr and lose the -pcur position! - -@return DB_SUCCESS or an error code */ -static -ulint -row_upd_check_references_constraints( -/*=================================*/ - upd_node_t* node, /*!< in: row update node */ - btr_pcur_t* pcur, /*!< in: cursor positioned on a record; NOTE: the - cursor position is lost in this function! */ - dict_table_t* table, /*!< in: table in question */ - dict_index_t* index, /*!< in: index of the cursor */ - ulint* offsets,/*!< in/out: rec_get_offsets(pcur.rec, index) */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_foreign_t* foreign; - mem_heap_t* heap; - dtuple_t* entry; - trx_t* trx; - const rec_t* rec; - ulint n_ext; - ulint err; - ibool got_s_lock = FALSE; - - if (UT_LIST_GET_FIRST(table->referenced_list) == NULL) { - - return(DB_SUCCESS); - } - - trx = thr_get_trx(thr); - - rec = btr_pcur_get_rec(pcur); - ut_ad(rec_offs_validate(rec, index, offsets)); - - heap = mem_heap_create(500); - - entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, offsets, - &n_ext, heap); - - mtr_commit(mtr); - - mtr_start(mtr); - - if (trx->dict_operation_lock_mode == 0) { - got_s_lock = TRUE; - - row_mysql_freeze_data_dictionary(trx); - } - - foreign = UT_LIST_GET_FIRST(table->referenced_list); - - while (foreign) { - /* Note that we may have an update which updates the index - record, but does NOT update the first fields which are - referenced in a foreign key constraint. Then the update does - NOT break the constraint. */ - - if (foreign->referenced_index == index - && (node->is_delete - || row_upd_changes_first_fields_binary( - entry, index, node->update, - foreign->n_fields))) { - - if (foreign->foreign_table == NULL) { - dict_table_get(foreign->foreign_table_name, - FALSE); - } - - if (foreign->foreign_table) { - mutex_enter(&(dict_sys->mutex)); - - (foreign->foreign_table - ->n_foreign_key_checks_running)++; - - mutex_exit(&(dict_sys->mutex)); - } - - /* NOTE that if the thread ends up waiting for a lock - we will release dict_operation_lock temporarily! - But the counter on the table protects 'foreign' from - being dropped while the check is running. */ - - err = row_ins_check_foreign_constraint( - FALSE, foreign, table, entry, thr); - - if (foreign->foreign_table) { - mutex_enter(&(dict_sys->mutex)); - - ut_a(foreign->foreign_table - ->n_foreign_key_checks_running > 0); - - (foreign->foreign_table - ->n_foreign_key_checks_running)--; - - mutex_exit(&(dict_sys->mutex)); - } - - if (err != DB_SUCCESS) { - - goto func_exit; - } - } - - foreign = UT_LIST_GET_NEXT(referenced_list, foreign); - } - - err = DB_SUCCESS; - -func_exit: - if (got_s_lock) { - row_mysql_unfreeze_data_dictionary(trx); - } - - mem_heap_free(heap); - - return(err); -} - -/*********************************************************************//** -Creates an update node for a query graph. -@return own: update node */ -UNIV_INTERN -upd_node_t* -upd_node_create( -/*============*/ - mem_heap_t* heap) /*!< in: mem heap where created */ -{ - upd_node_t* node; - - node = mem_heap_alloc(heap, sizeof(upd_node_t)); - node->common.type = QUE_NODE_UPDATE; - - node->state = UPD_NODE_UPDATE_CLUSTERED; - node->in_mysql_interface = FALSE; - - node->row = NULL; - node->ext = NULL; - node->upd_row = NULL; - node->upd_ext = NULL; - node->index = NULL; - node->update = NULL; - - node->foreign = NULL; - node->cascade_heap = NULL; - node->cascade_node = NULL; - - node->select = NULL; - - node->heap = mem_heap_create(128); - node->magic_n = UPD_NODE_MAGIC_N; - - node->cmpl_info = 0; - - return(node); -} -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Updates the trx id and roll ptr field in a clustered index record in database -recovery. */ -UNIV_INTERN -void -row_upd_rec_sys_fields_in_recovery( -/*===============================*/ - rec_t* rec, /*!< in/out: record */ - page_zip_des_t* page_zip,/*!< in/out: compressed page, or NULL */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - ulint pos, /*!< in: TRX_ID position in rec */ - trx_id_t trx_id, /*!< in: transaction id */ - roll_ptr_t roll_ptr)/*!< in: roll ptr of the undo log record */ -{ - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_write_trx_id_and_roll_ptr( - page_zip, rec, offsets, pos, trx_id, roll_ptr); - } else { - byte* field; - ulint len; - - field = rec_get_nth_field(rec, offsets, pos, &len); - ut_ad(len == DATA_TRX_ID_LEN); -#if DATA_TRX_ID + 1 != DATA_ROLL_PTR -# error "DATA_TRX_ID + 1 != DATA_ROLL_PTR" -#endif - trx_write_trx_id(field, trx_id); - trx_write_roll_ptr(field + DATA_TRX_ID_LEN, roll_ptr); - } -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Sets the trx id or roll ptr field of a clustered index entry. */ -UNIV_INTERN -void -row_upd_index_entry_sys_field( -/*==========================*/ - const dtuple_t* entry, /*!< in: index entry, where the memory buffers - for sys fields are already allocated: - the function just copies the new values to - them */ - dict_index_t* index, /*!< in: clustered index */ - ulint type, /*!< in: DATA_TRX_ID or DATA_ROLL_PTR */ - dulint val) /*!< in: value to write */ -{ - dfield_t* dfield; - byte* field; - ulint pos; - - ut_ad(dict_index_is_clust(index)); - - pos = dict_index_get_sys_col_pos(index, type); - - dfield = dtuple_get_nth_field(entry, pos); - field = dfield_get_data(dfield); - - if (type == DATA_TRX_ID) { - trx_write_trx_id(field, val); - } else { - ut_ad(type == DATA_ROLL_PTR); - trx_write_roll_ptr(field, val); - } -} - -/***********************************************************//** -Returns TRUE if row update changes size of some field in index or if some -field to be updated is stored externally in rec or update. -@return TRUE if the update changes the size of some field in index or -the field is external in rec or update */ -UNIV_INTERN -ibool -row_upd_changes_field_size_or_external( -/*===================================*/ - dict_index_t* index, /*!< in: index */ - const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - const upd_t* update) /*!< in: update vector */ -{ - const upd_field_t* upd_field; - const dfield_t* new_val; - ulint old_len; - ulint new_len; - ulint n_fields; - ulint i; - - ut_ad(rec_offs_validate(NULL, index, offsets)); - n_fields = upd_get_n_fields(update); - - for (i = 0; i < n_fields; i++) { - upd_field = upd_get_nth_field(update, i); - - new_val = &(upd_field->new_val); - new_len = dfield_get_len(new_val); - - if (dfield_is_null(new_val) && !rec_offs_comp(offsets)) { - /* A bug fixed on Dec 31st, 2004: we looked at the - SQL NULL size from the wrong field! We may backport - this fix also to 4.0. The merge to 5.0 will be made - manually immediately after we commit this to 4.1. */ - - new_len = dict_col_get_sql_null_size( - dict_index_get_nth_col(index, - upd_field->field_no), - 0); - } - - old_len = rec_offs_nth_size(offsets, upd_field->field_no); - - if (rec_offs_comp(offsets) - && rec_offs_nth_sql_null(offsets, - upd_field->field_no)) { - /* Note that in the compact table format, for a - variable length field, an SQL NULL will use zero - bytes in the offset array at the start of the physical - record, but a zero-length value (empty string) will - use one byte! Thus, we cannot use update-in-place - if we update an SQL NULL varchar to an empty string! */ - - old_len = UNIV_SQL_NULL; - } - - if (dfield_is_ext(new_val) || old_len != new_len - || rec_offs_nth_extern(offsets, upd_field->field_no)) { - - return(TRUE); - } - } - - return(FALSE); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Replaces the new column values stored in the update vector to the record -given. No field size changes are allowed. */ -UNIV_INTERN -void -row_upd_rec_in_place( -/*=================*/ - rec_t* rec, /*!< in/out: record where replaced */ - dict_index_t* index, /*!< in: the index the record belongs to */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - const upd_t* update, /*!< in: update vector */ - page_zip_des_t* page_zip)/*!< in: compressed page with enough space - available, or NULL */ -{ - const upd_field_t* upd_field; - const dfield_t* new_val; - ulint n_fields; - ulint i; - - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (rec_offs_comp(offsets)) { - rec_set_info_bits_new(rec, update->info_bits); - } else { - rec_set_info_bits_old(rec, update->info_bits); - } - - n_fields = upd_get_n_fields(update); - - for (i = 0; i < n_fields; i++) { - upd_field = upd_get_nth_field(update, i); - new_val = &(upd_field->new_val); - ut_ad(!dfield_is_ext(new_val) == - !rec_offs_nth_extern(offsets, upd_field->field_no)); - - rec_set_nth_field(rec, offsets, upd_field->field_no, - dfield_get_data(new_val), - dfield_get_len(new_val)); - } - - if (UNIV_LIKELY_NULL(page_zip)) { - page_zip_write_rec(page_zip, rec, index, offsets, 0); - } -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Writes into the redo log the values of trx id and roll ptr and enough info -to determine their positions within a clustered index record. -@return new pointer to mlog */ -UNIV_INTERN -byte* -row_upd_write_sys_vals_to_log( -/*==========================*/ - dict_index_t* index, /*!< in: clustered index */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ - byte* log_ptr,/*!< pointer to a buffer of size > 20 opened - in mlog */ - mtr_t* mtr __attribute__((unused))) /*!< in: mtr */ -{ - ut_ad(dict_index_is_clust(index)); - ut_ad(mtr); - - log_ptr += mach_write_compressed(log_ptr, - dict_index_get_sys_col_pos( - index, DATA_TRX_ID)); - - trx_write_roll_ptr(log_ptr, roll_ptr); - log_ptr += DATA_ROLL_PTR_LEN; - - log_ptr += mach_dulint_write_compressed(log_ptr, trx->id); - - return(log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Parses the log data of system field values. -@return log data end or NULL */ -UNIV_INTERN -byte* -row_upd_parse_sys_vals( -/*===================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - ulint* pos, /*!< out: TRX_ID position in record */ - trx_id_t* trx_id, /*!< out: trx id */ - roll_ptr_t* roll_ptr)/*!< out: roll ptr */ -{ - ptr = mach_parse_compressed(ptr, end_ptr, pos); - - if (ptr == NULL) { - - return(NULL); - } - - if (end_ptr < ptr + DATA_ROLL_PTR_LEN) { - - return(NULL); - } - - *roll_ptr = trx_read_roll_ptr(ptr); - ptr += DATA_ROLL_PTR_LEN; - - ptr = mach_dulint_parse_compressed(ptr, end_ptr, trx_id); - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************//** -Writes to the redo log the new values of the fields occurring in the index. */ -UNIV_INTERN -void -row_upd_index_write_log( -/*====================*/ - const upd_t* update, /*!< in: update vector */ - byte* log_ptr,/*!< in: pointer to mlog buffer: must - contain at least MLOG_BUF_MARGIN bytes - of free space; the buffer is closed - within this function */ - mtr_t* mtr) /*!< in: mtr into whose log to write */ -{ - const upd_field_t* upd_field; - const dfield_t* new_val; - ulint len; - ulint n_fields; - byte* buf_end; - ulint i; - - n_fields = upd_get_n_fields(update); - - buf_end = log_ptr + MLOG_BUF_MARGIN; - - mach_write_to_1(log_ptr, update->info_bits); - log_ptr++; - log_ptr += mach_write_compressed(log_ptr, n_fields); - - for (i = 0; i < n_fields; i++) { - -#if MLOG_BUF_MARGIN <= 30 -# error "MLOG_BUF_MARGIN <= 30" -#endif - - if (log_ptr + 30 > buf_end) { - mlog_close(mtr, log_ptr); - - log_ptr = mlog_open(mtr, MLOG_BUF_MARGIN); - buf_end = log_ptr + MLOG_BUF_MARGIN; - } - - upd_field = upd_get_nth_field(update, i); - - new_val = &(upd_field->new_val); - - len = dfield_get_len(new_val); - - log_ptr += mach_write_compressed(log_ptr, upd_field->field_no); - log_ptr += mach_write_compressed(log_ptr, len); - - if (len != UNIV_SQL_NULL) { - if (log_ptr + len < buf_end) { - memcpy(log_ptr, dfield_get_data(new_val), len); - - log_ptr += len; - } else { - mlog_close(mtr, log_ptr); - - mlog_catenate_string(mtr, - dfield_get_data(new_val), - len); - - log_ptr = mlog_open(mtr, MLOG_BUF_MARGIN); - buf_end = log_ptr + MLOG_BUF_MARGIN; - } - } - } - - mlog_close(mtr, log_ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/*********************************************************************//** -Parses the log data written by row_upd_index_write_log. -@return log data end or NULL */ -UNIV_INTERN -byte* -row_upd_index_parse( -/*================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - mem_heap_t* heap, /*!< in: memory heap where update vector is - built */ - upd_t** update_out)/*!< out: update vector */ -{ - upd_t* update; - upd_field_t* upd_field; - dfield_t* new_val; - ulint len; - ulint n_fields; - ulint info_bits; - ulint i; - - if (end_ptr < ptr + 1) { - - return(NULL); - } - - info_bits = mach_read_from_1(ptr); - ptr++; - ptr = mach_parse_compressed(ptr, end_ptr, &n_fields); - - if (ptr == NULL) { - - return(NULL); - } - - update = upd_create(n_fields, heap); - update->info_bits = info_bits; - - for (i = 0; i < n_fields; i++) { - ulint field_no; - upd_field = upd_get_nth_field(update, i); - new_val = &(upd_field->new_val); - - ptr = mach_parse_compressed(ptr, end_ptr, &field_no); - - if (ptr == NULL) { - - return(NULL); - } - - upd_field->field_no = field_no; - - ptr = mach_parse_compressed(ptr, end_ptr, &len); - - if (ptr == NULL) { - - return(NULL); - } - - if (len != UNIV_SQL_NULL) { - - if (end_ptr < ptr + len) { - - return(NULL); - } - - dfield_set_data(new_val, - mem_heap_dup(heap, ptr, len), len); - ptr += len; - } else { - dfield_set_null(new_val); - } - } - - *update_out = update; - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Builds an update vector from those fields which in a secondary index entry -differ from a record that has the equal ordering fields. NOTE: we compare -the fields as binary strings! -@return own: update vector of differing fields */ -UNIV_INTERN -upd_t* -row_upd_build_sec_rec_difference_binary( -/*====================================*/ - dict_index_t* index, /*!< in: index */ - const dtuple_t* entry, /*!< in: entry to insert */ - const rec_t* rec, /*!< in: secondary index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap) /*!< in: memory heap from which allocated */ -{ - upd_field_t* upd_field; - const dfield_t* dfield; - const byte* data; - ulint len; - upd_t* update; - ulint n_diff; - ulint i; - ulint offsets_[REC_OFFS_SMALL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - /* This function is used only for a secondary index */ - ut_a(!dict_index_is_clust(index)); - - update = upd_create(dtuple_get_n_fields(entry), heap); - - n_diff = 0; - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - - for (i = 0; i < dtuple_get_n_fields(entry); i++) { - - data = rec_get_nth_field(rec, offsets, i, &len); - - dfield = dtuple_get_nth_field(entry, i); - - /* NOTE that it may be that len != dfield_get_len(dfield) if we - are updating in a character set and collation where strings of - different length can be equal in an alphabetical comparison, - and also in the case where we have a column prefix index - and the last characters in the index field are spaces; the - latter case probably caused the assertion failures reported at - row0upd.c line 713 in versions 4.0.14 - 4.0.16. */ - - /* NOTE: we compare the fields as binary strings! - (No collation) */ - - if (!dfield_data_is_binary_equal(dfield, len, data)) { - - upd_field = upd_get_nth_field(update, n_diff); - - dfield_copy(&(upd_field->new_val), dfield); - - upd_field_set_field_no(upd_field, i, index, trx); - - n_diff++; - } - } - - update->n_fields = n_diff; - - return(update); -} - -/***************************************************************//** -Builds an update vector from those fields, excluding the roll ptr and -trx id fields, which in an index entry differ from a record that has -the equal ordering fields. NOTE: we compare the fields as binary strings! -@return own: update vector of differing fields, excluding roll ptr and -trx id */ -UNIV_INTERN -upd_t* -row_upd_build_difference_binary( -/*============================*/ - dict_index_t* index, /*!< in: clustered index */ - const dtuple_t* entry, /*!< in: entry to insert */ - const rec_t* rec, /*!< in: clustered index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap) /*!< in: memory heap from which allocated */ -{ - upd_field_t* upd_field; - const dfield_t* dfield; - const byte* data; - ulint len; - upd_t* update; - ulint n_diff; - ulint roll_ptr_pos; - ulint trx_id_pos; - ulint i; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - /* This function is used only for a clustered index */ - ut_a(dict_index_is_clust(index)); - - update = upd_create(dtuple_get_n_fields(entry), heap); - - n_diff = 0; - - roll_ptr_pos = dict_index_get_sys_col_pos(index, DATA_ROLL_PTR); - trx_id_pos = dict_index_get_sys_col_pos(index, DATA_TRX_ID); - - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - - for (i = 0; i < dtuple_get_n_fields(entry); i++) { - - data = rec_get_nth_field(rec, offsets, i, &len); - - dfield = dtuple_get_nth_field(entry, i); - - /* NOTE: we compare the fields as binary strings! - (No collation) */ - - if (i == trx_id_pos || i == roll_ptr_pos) { - - goto skip_compare; - } - - if (UNIV_UNLIKELY(!dfield_is_ext(dfield) - != !rec_offs_nth_extern(offsets, i)) - || !dfield_data_is_binary_equal(dfield, len, data)) { - - upd_field = upd_get_nth_field(update, n_diff); - - dfield_copy(&(upd_field->new_val), dfield); - - upd_field_set_field_no(upd_field, i, index, trx); - - n_diff++; - } -skip_compare: - ; - } - - update->n_fields = n_diff; - - return(update); -} - -/***********************************************************//** -Fetch a prefix of an externally stored column. This is similar -to row_ext_lookup(), but the row_ext_t holds the old values -of the column and must not be poisoned with the new values. -@return BLOB prefix */ -static -byte* -row_upd_ext_fetch( -/*==============*/ - const byte* data, /*!< in: 'internally' stored part of the - field containing also the reference to - the external part */ - ulint local_len, /*!< in: length of data, in bytes */ - ulint zip_size, /*!< in: nonzero=compressed BLOB - page size, zero for uncompressed - BLOBs */ - ulint* len, /*!< in: length of prefix to fetch; - out: fetched length of the prefix */ - mem_heap_t* heap) /*!< in: heap where to allocate */ -{ - byte* buf = mem_heap_alloc(heap, *len); - - *len = btr_copy_externally_stored_field_prefix(buf, *len, - zip_size, - data, local_len); - /* We should never update records containing a half-deleted BLOB. */ - ut_a(*len); - - return(buf); -} - -/***********************************************************//** -Replaces the new column value stored in the update vector in -the given index entry field. */ -static -void -row_upd_index_replace_new_col_val( -/*==============================*/ - dfield_t* dfield, /*!< in/out: data field - of the index entry */ - const dict_field_t* field, /*!< in: index field */ - const dict_col_t* col, /*!< in: field->col */ - const upd_field_t* uf, /*!< in: update field */ - mem_heap_t* heap, /*!< in: memory heap for allocating - and copying the new value */ - ulint zip_size)/*!< in: compressed page - size of the table, or 0 */ -{ - ulint len; - const byte* data; - - dfield_copy_data(dfield, &uf->new_val); - - if (dfield_is_null(dfield)) { - return; - } - - len = dfield_get_len(dfield); - data = dfield_get_data(dfield); - - if (field->prefix_len > 0) { - ibool fetch_ext = dfield_is_ext(dfield) - && len < (ulint) field->prefix_len - + BTR_EXTERN_FIELD_REF_SIZE; - - if (fetch_ext) { - ulint l = len; - - len = field->prefix_len; - - data = row_upd_ext_fetch(data, l, zip_size, - &len, heap); - } - - len = dtype_get_at_most_n_mbchars(col->prtype, - col->mbminlen, col->mbmaxlen, - field->prefix_len, len, - (const char*) data); - - dfield_set_data(dfield, data, len); - - if (!fetch_ext) { - dfield_dup(dfield, heap); - } - - return; - } - - switch (uf->orig_len) { - byte* buf; - case BTR_EXTERN_FIELD_REF_SIZE: - /* Restore the original locally stored - part of the column. In the undo log, - InnoDB writes a longer prefix of externally - stored columns, so that column prefixes - in secondary indexes can be reconstructed. */ - dfield_set_data(dfield, - data + len - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - dfield_set_ext(dfield); - /* fall through */ - case 0: - dfield_dup(dfield, heap); - break; - default: - /* Reconstruct the original locally - stored part of the column. The data - will have to be copied. */ - ut_a(uf->orig_len > BTR_EXTERN_FIELD_REF_SIZE); - buf = mem_heap_alloc(heap, uf->orig_len); - /* Copy the locally stored prefix. */ - memcpy(buf, data, - uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE); - /* Copy the BLOB pointer. */ - memcpy(buf + uf->orig_len - BTR_EXTERN_FIELD_REF_SIZE, - data + len - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - - dfield_set_data(dfield, buf, uf->orig_len); - dfield_set_ext(dfield); - break; - } -} - -/***********************************************************//** -Replaces the new column values stored in the update vector to the index entry -given. */ -UNIV_INTERN -void -row_upd_index_replace_new_col_vals_index_pos( -/*=========================================*/ - dtuple_t* entry, /*!< in/out: index entry where replaced; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - dict_index_t* index, /*!< in: index; NOTE that this may also be a - non-clustered index */ - const upd_t* update, /*!< in: an update vector built for the index so - that the field number in an upd_field is the - index position */ - ibool order_only, - /*!< in: if TRUE, limit the replacement to - ordering fields of index; note that this - does not work for non-clustered indexes. */ - mem_heap_t* heap) /*!< in: memory heap for allocating and - copying the new values */ -{ - ulint i; - ulint n_fields; - const ulint zip_size = dict_table_zip_size(index->table); - - ut_ad(index); - - dtuple_set_info_bits(entry, update->info_bits); - - if (order_only) { - n_fields = dict_index_get_n_unique(index); - } else { - n_fields = dict_index_get_n_fields(index); - } - - for (i = 0; i < n_fields; i++) { - const dict_field_t* field; - const dict_col_t* col; - const upd_field_t* uf; - - field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(field); - uf = upd_get_field_by_field_no(update, i); - - if (uf) { - row_upd_index_replace_new_col_val( - dtuple_get_nth_field(entry, i), - field, col, uf, heap, zip_size); - } - } -} - -/***********************************************************//** -Replaces the new column values stored in the update vector to the index entry -given. */ -UNIV_INTERN -void -row_upd_index_replace_new_col_vals( -/*===============================*/ - dtuple_t* entry, /*!< in/out: index entry where replaced; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - dict_index_t* index, /*!< in: index; NOTE that this may also be a - non-clustered index */ - const upd_t* update, /*!< in: an update vector built for the - CLUSTERED index so that the field number in - an upd_field is the clustered index position */ - mem_heap_t* heap) /*!< in: memory heap for allocating and - copying the new values */ -{ - ulint i; - const dict_index_t* clust_index - = dict_table_get_first_index(index->table); - const ulint zip_size - = dict_table_zip_size(index->table); - - dtuple_set_info_bits(entry, update->info_bits); - - for (i = 0; i < dict_index_get_n_fields(index); i++) { - const dict_field_t* field; - const dict_col_t* col; - const upd_field_t* uf; - - field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(field); - uf = upd_get_field_by_field_no( - update, dict_col_get_clust_pos(col, clust_index)); - - if (uf) { - row_upd_index_replace_new_col_val( - dtuple_get_nth_field(entry, i), - field, col, uf, heap, zip_size); - } - } -} - -/***********************************************************//** -Replaces the new column values stored in the update vector. */ -UNIV_INTERN -void -row_upd_replace( -/*============*/ - dtuple_t* row, /*!< in/out: row where replaced, - indexed by col_no; - the clustered index record must be - covered by a lock or a page latch to - prevent deletion (rollback or purge) */ - row_ext_t** ext, /*!< out, own: NULL, or externally - stored column prefixes */ - const dict_index_t* index, /*!< in: clustered index */ - const upd_t* update, /*!< in: an update vector built for the - clustered index */ - mem_heap_t* heap) /*!< in: memory heap */ -{ - ulint col_no; - ulint i; - ulint n_cols; - ulint n_ext_cols; - ulint* ext_cols; - const dict_table_t* table; - - ut_ad(row); - ut_ad(ext); - ut_ad(index); - ut_ad(dict_index_is_clust(index)); - ut_ad(update); - ut_ad(heap); - - n_cols = dtuple_get_n_fields(row); - table = index->table; - ut_ad(n_cols == dict_table_get_n_cols(table)); - - ext_cols = mem_heap_alloc(heap, n_cols * sizeof *ext_cols); - n_ext_cols = 0; - - dtuple_set_info_bits(row, update->info_bits); - - for (col_no = 0; col_no < n_cols; col_no++) { - - const dict_col_t* col - = dict_table_get_nth_col(table, col_no); - const ulint clust_pos - = dict_col_get_clust_pos(col, index); - dfield_t* dfield; - - if (UNIV_UNLIKELY(clust_pos == ULINT_UNDEFINED)) { - - continue; - } - - dfield = dtuple_get_nth_field(row, col_no); - - for (i = 0; i < upd_get_n_fields(update); i++) { - - const upd_field_t* upd_field - = upd_get_nth_field(update, i); - - if (upd_field->field_no != clust_pos) { - - continue; - } - - dfield_copy_data(dfield, &upd_field->new_val); - break; - } - - if (dfield_is_ext(dfield) && col->ord_part) { - ext_cols[n_ext_cols++] = col_no; - } - } - - if (n_ext_cols) { - *ext = row_ext_create(n_ext_cols, ext_cols, row, - dict_table_zip_size(table), heap); - } else { - *ext = NULL; - } -} - -/***********************************************************//** -Checks if an update vector changes an ordering field of an index record. - -This function is fast if the update vector is short or the number of ordering -fields in the index is small. Otherwise, this can be quadratic. -NOTE: we compare the fields as binary strings! -@return TRUE if update vector changes an ordering field in the index record */ -UNIV_INTERN -ibool -row_upd_changes_ord_field_binary( -/*=============================*/ - const dtuple_t* row, /*!< in: old value of row, or NULL if the - row and the data values in update are not - known when this function is called, e.g., at - compile time */ - dict_index_t* index, /*!< in: index of the record */ - const upd_t* update) /*!< in: update vector for the row; NOTE: the - field numbers in this MUST be clustered index - positions! */ -{ - ulint n_unique; - ulint n_upd_fields; - ulint i, j; - dict_index_t* clust_index; - - ut_ad(update && index); - - n_unique = dict_index_get_n_unique(index); - n_upd_fields = upd_get_n_fields(update); - - clust_index = dict_table_get_first_index(index->table); - - for (i = 0; i < n_unique; i++) { - - const dict_field_t* ind_field; - const dict_col_t* col; - ulint col_pos; - ulint col_no; - - ind_field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(ind_field); - col_pos = dict_col_get_clust_pos(col, clust_index); - col_no = dict_col_get_no(col); - - for (j = 0; j < n_upd_fields; j++) { - - const upd_field_t* upd_field - = upd_get_nth_field(update, j); - - /* Note that if the index field is a column prefix - then it may be that row does not contain an externally - stored part of the column value, and we cannot compare - the datas */ - - if (col_pos == upd_field->field_no - && (row == NULL - || ind_field->prefix_len > 0 - || !dfield_datas_are_binary_equal( - dtuple_get_nth_field(row, col_no), - &(upd_field->new_val)))) { - - return(TRUE); - } - } - } - - return(FALSE); -} - -/***********************************************************//** -Checks if an update vector changes an ordering field of an index record. -NOTE: we compare the fields as binary strings! -@return TRUE if update vector may change an ordering field in an index -record */ -UNIV_INTERN -ibool -row_upd_changes_some_index_ord_field_binary( -/*========================================*/ - const dict_table_t* table, /*!< in: table */ - const upd_t* update) /*!< in: update vector for the row */ -{ - upd_field_t* upd_field; - dict_index_t* index; - ulint i; - - index = dict_table_get_first_index(table); - - for (i = 0; i < upd_get_n_fields(update); i++) { - - upd_field = upd_get_nth_field(update, i); - - if (dict_field_get_col(dict_index_get_nth_field( - index, upd_field->field_no)) - ->ord_part) { - - return(TRUE); - } - } - - return(FALSE); -} - -/***********************************************************//** -Checks if an update vector changes some of the first ordering fields of an -index record. This is only used in foreign key checks and we can assume -that index does not contain column prefixes. -@return TRUE if changes */ -static -ibool -row_upd_changes_first_fields_binary( -/*================================*/ - dtuple_t* entry, /*!< in: index entry */ - dict_index_t* index, /*!< in: index of entry */ - const upd_t* update, /*!< in: update vector for the row */ - ulint n) /*!< in: how many first fields to check */ -{ - ulint n_upd_fields; - ulint i, j; - dict_index_t* clust_index; - - ut_ad(update && index); - ut_ad(n <= dict_index_get_n_fields(index)); - - n_upd_fields = upd_get_n_fields(update); - clust_index = dict_table_get_first_index(index->table); - - for (i = 0; i < n; i++) { - - const dict_field_t* ind_field; - const dict_col_t* col; - ulint col_pos; - - ind_field = dict_index_get_nth_field(index, i); - col = dict_field_get_col(ind_field); - col_pos = dict_col_get_clust_pos(col, clust_index); - - ut_a(ind_field->prefix_len == 0); - - for (j = 0; j < n_upd_fields; j++) { - - upd_field_t* upd_field - = upd_get_nth_field(update, j); - - if (col_pos == upd_field->field_no - && !dfield_datas_are_binary_equal( - dtuple_get_nth_field(entry, i), - &(upd_field->new_val))) { - - return(TRUE); - } - } - } - - return(FALSE); -} - -/*********************************************************************//** -Copies the column values from a record. */ -UNIV_INLINE -void -row_upd_copy_columns( -/*=================*/ - rec_t* rec, /*!< in: record in a clustered index */ - const ulint* offsets,/*!< in: array returned by rec_get_offsets() */ - sym_node_t* column) /*!< in: first column in a column list, or - NULL */ -{ - byte* data; - ulint len; - - while (column) { - data = rec_get_nth_field(rec, offsets, - column->field_nos[SYM_CLUST_FIELD_NO], - &len); - eval_node_copy_and_alloc_val(column, data, len); - - column = UT_LIST_GET_NEXT(col_var_list, column); - } -} - -/*********************************************************************//** -Calculates the new values for fields to update. Note that row_upd_copy_columns -must have been called first. */ -UNIV_INLINE -void -row_upd_eval_new_vals( -/*==================*/ - upd_t* update) /*!< in/out: update vector */ -{ - que_node_t* exp; - upd_field_t* upd_field; - ulint n_fields; - ulint i; - - n_fields = upd_get_n_fields(update); - - for (i = 0; i < n_fields; i++) { - upd_field = upd_get_nth_field(update, i); - - exp = upd_field->exp; - - eval_exp(exp); - - dfield_copy_data(&(upd_field->new_val), que_node_get_val(exp)); - } -} - -/***********************************************************//** -Stores to the heap the row on which the node->pcur is positioned. */ -static -void -row_upd_store_row( -/*==============*/ - upd_node_t* node) /*!< in: row update node */ -{ - dict_index_t* clust_index; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - const ulint* offsets; - rec_offs_init(offsets_); - - ut_ad(node->pcur->latch_mode != BTR_NO_LATCHES); - - if (node->row != NULL) { - mem_heap_empty(node->heap); - } - - clust_index = dict_table_get_first_index(node->table); - - rec = btr_pcur_get_rec(node->pcur); - - offsets = rec_get_offsets(rec, clust_index, offsets_, - ULINT_UNDEFINED, &heap); - node->row = row_build(ROW_COPY_DATA, clust_index, rec, offsets, - NULL, &node->ext, node->heap); - if (node->is_delete) { - node->upd_row = NULL; - node->upd_ext = NULL; - } else { - node->upd_row = dtuple_copy(node->row, node->heap); - row_upd_replace(node->upd_row, &node->upd_ext, - clust_index, node->update, node->heap); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } -} - -/***********************************************************//** -Updates a secondary index entry of a row. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_upd_sec_index_entry( -/*====================*/ - upd_node_t* node, /*!< in: row update node */ - que_thr_t* thr) /*!< in: query thread */ -{ - mtr_t mtr; - const rec_t* rec; - btr_pcur_t pcur; - mem_heap_t* heap; - dtuple_t* entry; - dict_index_t* index; - btr_cur_t* btr_cur; - ibool referenced; - ulint err = DB_SUCCESS; - trx_t* trx = thr_get_trx(thr); - ulint mode = BTR_MODIFY_LEAF; - enum row_search_result search_result; - - index = node->index; - - referenced = row_upd_index_is_referenced(index, trx); - - heap = mem_heap_create(1024); - - /* Build old index entry */ - entry = row_build_index_entry(node->row, node->ext, index, heap); - ut_a(entry); - - log_free_check(); - mtr_start(&mtr); - - /* Set the query thread, so that ibuf_insert_low() will be - able to invoke thd_get_trx(). */ - btr_pcur_get_btr_cur(&pcur)->thr = thr; - - /* We can only try to use the insert/delete buffer to buffer - delete-mark operations if the index we're modifying has no foreign - key constraints referring to it. */ - if (!referenced) { - mode |= BTR_DELETE_MARK; - } - - search_result = row_search_index_entry(index, entry, mode, - &pcur, &mtr); - - btr_cur = btr_pcur_get_btr_cur(&pcur); - - rec = btr_cur_get_rec(btr_cur); - - switch (search_result) { - case ROW_NOT_DELETED_REF: /* should only occur for BTR_DELETE */ - ut_error; - break; - case ROW_BUFFERED: - /* Entry was delete marked already. */ - break; - - case ROW_NOT_FOUND: - fputs("InnoDB: error in sec index entry update in\n" - "InnoDB: ", stderr); - dict_index_name_print(stderr, trx, index); - fputs("\n" - "InnoDB: tuple ", stderr); - dtuple_print(stderr, entry); - fputs("\n" - "InnoDB: record ", stderr); - rec_print(stderr, rec, index); - putc('\n', stderr); - - trx_print(stderr, trx, 0); - - fputs("\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n", stderr); - break; - case ROW_FOUND: - /* Delete mark the old index record; it can already be - delete marked if we return after a lock wait in - row_ins_index_entry below */ - - if (!rec_get_deleted_flag( - rec, dict_table_is_comp(index->table))) { - - err = btr_cur_del_mark_set_sec_rec( - 0, btr_cur, TRUE, thr, &mtr); - - if (err == DB_SUCCESS && referenced) { - - ulint* offsets; - - offsets = rec_get_offsets( - rec, index, NULL, ULINT_UNDEFINED, - &heap); - - /* NOTE that the following call loses - the position of pcur ! */ - err = row_upd_check_references_constraints( - node, &pcur, index->table, - index, offsets, thr, &mtr); - } - } - break; - } - - btr_pcur_close(&pcur); - mtr_commit(&mtr); - - if (node->is_delete || err != DB_SUCCESS) { - - goto func_exit; - } - - /* Build a new index entry */ - entry = row_build_index_entry(node->upd_row, node->upd_ext, - index, heap); - ut_a(entry); - - /* Insert new index entry */ - err = row_ins_index_entry(index, entry, 0, TRUE, thr); - -func_exit: - mem_heap_free(heap); - - return(err); -} - -/***********************************************************//** -Updates the secondary index record if it is changed in the row update or -deletes it if this is a delete. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -UNIV_INLINE -ulint -row_upd_sec_step( -/*=============*/ - upd_node_t* node, /*!< in: row update node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ut_ad((node->state == UPD_NODE_UPDATE_ALL_SEC) - || (node->state == UPD_NODE_UPDATE_SOME_SEC)); - ut_ad(!dict_index_is_clust(node->index)); - - if (node->state == UPD_NODE_UPDATE_ALL_SEC - || row_upd_changes_ord_field_binary(node->row, node->index, - node->update)) { - return(row_upd_sec_index_entry(node, thr)); - } - - return(DB_SUCCESS); -} - -/***********************************************************//** -Marks the clustered index record deleted and inserts the updated version -of the record to the index. This function should be used when the ordering -fields of the clustered index record change. This should be quite rare in -database applications. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_upd_clust_rec_by_insert( -/*========================*/ - upd_node_t* node, /*!< in: row update node */ - dict_index_t* index, /*!< in: clustered index of the record */ - que_thr_t* thr, /*!< in: query thread */ - ibool referenced,/*!< in: TRUE if index may be referenced in - a foreign key constraint */ - mtr_t* mtr) /*!< in: mtr; gets committed here */ -{ - mem_heap_t* heap = NULL; - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - trx_t* trx; - dict_table_t* table; - dtuple_t* entry; - ulint err; - - ut_ad(node); - ut_ad(dict_index_is_clust(index)); - - trx = thr_get_trx(thr); - table = node->table; - pcur = node->pcur; - btr_cur = btr_pcur_get_btr_cur(pcur); - - if (node->state != UPD_NODE_INSERT_CLUSTERED) { - rec_t* rec; - dict_index_t* index; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets; - rec_offs_init(offsets_); - - err = btr_cur_del_mark_set_clust_rec(BTR_NO_LOCKING_FLAG, - btr_cur, TRUE, thr, mtr); - if (err != DB_SUCCESS) { - mtr_commit(mtr); - return(err); - } - - /* Mark as not-owned the externally stored fields which the new - row inherits from the delete marked record: purge should not - free those externally stored fields even if the delete marked - record is removed from the index tree, or updated. */ - - rec = btr_cur_get_rec(btr_cur); - index = dict_table_get_first_index(table); - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - btr_cur_mark_extern_inherited_fields( - btr_cur_get_page_zip(btr_cur), - rec, index, offsets, node->update, mtr); - if (referenced) { - /* NOTE that the following call loses - the position of pcur ! */ - - err = row_upd_check_references_constraints( - node, pcur, table, index, offsets, thr, mtr); - - if (err != DB_SUCCESS) { - - mtr_commit(mtr); - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - return(err); - } - } - } - - mtr_commit(mtr); - - if (!heap) { - heap = mem_heap_create(500); - } - node->state = UPD_NODE_INSERT_CLUSTERED; - - entry = row_build_index_entry(node->upd_row, node->upd_ext, - index, heap); - ut_a(entry); - - row_upd_index_entry_sys_field(entry, index, DATA_TRX_ID, trx->id); - - if (node->upd_ext) { - /* If we return from a lock wait, for example, we may have - extern fields marked as not-owned in entry (marked in the - if-branch above). We must unmark them. */ - - btr_cur_unmark_dtuple_extern_fields(entry); - - /* We must mark non-updated extern fields in entry as - inherited, so that a possible rollback will not free them. */ - - btr_cur_mark_dtuple_inherited_extern(entry, node->update); - } - - err = row_ins_index_entry(index, entry, - node->upd_ext ? node->upd_ext->n_ext : 0, - TRUE, thr); - mem_heap_free(heap); - - return(err); -} - -/***********************************************************//** -Updates a clustered index record of a row when the ordering fields do -not change. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_upd_clust_rec( -/*==============*/ - upd_node_t* node, /*!< in: row update node */ - dict_index_t* index, /*!< in: clustered index */ - que_thr_t* thr, /*!< in: query thread */ - mtr_t* mtr) /*!< in: mtr; gets committed here */ -{ - mem_heap_t* heap = NULL; - big_rec_t* big_rec = NULL; - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ulint err; - - ut_ad(node); - ut_ad(dict_index_is_clust(index)); - - pcur = node->pcur; - btr_cur = btr_pcur_get_btr_cur(pcur); - - ut_ad(!rec_get_deleted_flag(btr_pcur_get_rec(pcur), - dict_table_is_comp(index->table))); - - /* Try optimistic updating of the record, keeping changes within - the page; we do not check locks because we assume the x-lock on the - record to update */ - - if (node->cmpl_info & UPD_NODE_NO_SIZE_CHANGE) { - err = btr_cur_update_in_place(BTR_NO_LOCKING_FLAG, - btr_cur, node->update, - node->cmpl_info, thr, mtr); - } else { - err = btr_cur_optimistic_update(BTR_NO_LOCKING_FLAG, - btr_cur, node->update, - node->cmpl_info, thr, mtr); - } - - mtr_commit(mtr); - - if (UNIV_LIKELY(err == DB_SUCCESS)) { - - return(DB_SUCCESS); - } - - if (buf_LRU_buf_pool_running_out()) { - - return(DB_LOCK_TABLE_FULL); - } - /* We may have to modify the tree structure: do a pessimistic descent - down the index tree */ - - mtr_start(mtr); - - /* NOTE: this transaction has an s-lock or x-lock on the record and - therefore other transactions cannot modify the record when we have no - latch on the page. In addition, we assume that other query threads of - the same transaction do not modify the record in the meantime. - Therefore we can assert that the restoration of the cursor succeeds. */ - - ut_a(btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr)); - - ut_ad(!rec_get_deleted_flag(btr_pcur_get_rec(pcur), - dict_table_is_comp(index->table))); - - err = btr_cur_pessimistic_update(BTR_NO_LOCKING_FLAG, btr_cur, - &heap, &big_rec, node->update, - node->cmpl_info, thr, mtr); - mtr_commit(mtr); - - if (err == DB_SUCCESS && big_rec) { - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - rec_t* rec; - rec_offs_init(offsets_); - - mtr_start(mtr); - - ut_a(btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr)); - rec = btr_cur_get_rec(btr_cur); - err = btr_store_big_rec_extern_fields( - index, btr_cur_get_block(btr_cur), rec, - rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap), - big_rec, mtr); - mtr_commit(mtr); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - if (big_rec) { - dtuple_big_rec_free(big_rec); - } - - return(err); -} - -/***********************************************************//** -Delete marks a clustered index record. -@return DB_SUCCESS if operation successfully completed, else error code */ -static -ulint -row_upd_del_mark_clust_rec( -/*=======================*/ - upd_node_t* node, /*!< in: row update node */ - dict_index_t* index, /*!< in: clustered index */ - ulint* offsets,/*!< in/out: rec_get_offsets() for the - record under the cursor */ - que_thr_t* thr, /*!< in: query thread */ - ibool referenced, - /*!< in: TRUE if index may be referenced in - a foreign key constraint */ - mtr_t* mtr) /*!< in: mtr; gets committed here */ -{ - btr_pcur_t* pcur; - btr_cur_t* btr_cur; - ulint err; - - ut_ad(node); - ut_ad(dict_index_is_clust(index)); - ut_ad(node->is_delete); - - pcur = node->pcur; - btr_cur = btr_pcur_get_btr_cur(pcur); - - /* Store row because we have to build also the secondary index - entries */ - - row_upd_store_row(node); - - /* Mark the clustered index record deleted; we do not have to check - locks, because we assume that we have an x-lock on the record */ - - err = btr_cur_del_mark_set_clust_rec(BTR_NO_LOCKING_FLAG, - btr_cur, TRUE, thr, mtr); - if (err == DB_SUCCESS && referenced) { - /* NOTE that the following call loses the position of pcur ! */ - - err = row_upd_check_references_constraints( - node, pcur, index->table, index, offsets, thr, mtr); - } - - mtr_commit(mtr); - - return(err); -} - -/***********************************************************//** -Updates the clustered index record. -@return DB_SUCCESS if operation successfully completed, DB_LOCK_WAIT -in case of a lock wait, else error code */ -static -ulint -row_upd_clust_step( -/*===============*/ - upd_node_t* node, /*!< in: row update node */ - que_thr_t* thr) /*!< in: query thread */ -{ - dict_index_t* index; - btr_pcur_t* pcur; - ibool success; - ulint err; - mtr_t* mtr; - mtr_t mtr_buf; - rec_t* rec; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets; - ibool referenced; - rec_offs_init(offsets_); - - index = dict_table_get_first_index(node->table); - - referenced = row_upd_index_is_referenced(index, thr_get_trx(thr)); - - pcur = node->pcur; - - /* We have to restore the cursor to its position */ - mtr = &mtr_buf; - - mtr_start(mtr); - - /* If the restoration does not succeed, then the same - transaction has deleted the record on which the cursor was, - and that is an SQL error. If the restoration succeeds, it may - still be that the same transaction has successively deleted - and inserted a record with the same ordering fields, but in - that case we know that the transaction has at least an - implicit x-lock on the record. */ - - ut_a(pcur->rel_pos == BTR_PCUR_ON); - - success = btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, mtr); - - if (!success) { - err = DB_RECORD_NOT_FOUND; - - mtr_commit(mtr); - - return(err); - } - - /* If this is a row in SYS_INDEXES table of the data dictionary, - then we have to free the file segments of the index tree associated - with the index */ - - if (node->is_delete - && ut_dulint_cmp(node->table->id, DICT_INDEXES_ID) == 0) { - - dict_drop_index_tree(btr_pcur_get_rec(pcur), mtr); - - mtr_commit(mtr); - - mtr_start(mtr); - - success = btr_pcur_restore_position(BTR_MODIFY_LEAF, pcur, - mtr); - if (!success) { - err = DB_ERROR; - - mtr_commit(mtr); - - return(err); - } - } - - rec = btr_pcur_get_rec(pcur); - offsets = rec_get_offsets(rec, index, offsets_, - ULINT_UNDEFINED, &heap); - - if (!node->has_clust_rec_x_lock) { - err = lock_clust_rec_modify_check_and_lock( - 0, btr_pcur_get_block(pcur), - rec, index, offsets, thr); - if (err != DB_SUCCESS) { - mtr_commit(mtr); - goto exit_func; - } - } - - /* NOTE: the following function calls will also commit mtr */ - - if (node->is_delete) { - err = row_upd_del_mark_clust_rec( - node, index, offsets, thr, referenced, mtr); - - if (err == DB_SUCCESS) { - node->state = UPD_NODE_UPDATE_ALL_SEC; - node->index = dict_table_get_next_index(index); - } -exit_func: - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); - } - - /* If the update is made for MySQL, we already have the update vector - ready, else we have to do some evaluation: */ - - if (UNIV_UNLIKELY(!node->in_mysql_interface)) { - /* Copy the necessary columns from clust_rec and calculate the - new values to set */ - row_upd_copy_columns(rec, offsets, - UT_LIST_GET_FIRST(node->columns)); - row_upd_eval_new_vals(node->update); - } - - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - - if (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) { - - err = row_upd_clust_rec(node, index, thr, mtr); - return(err); - } - - row_upd_store_row(node); - - if (row_upd_changes_ord_field_binary(node->row, index, node->update)) { - - /* Update causes an ordering field (ordering fields within - the B-tree) of the clustered index record to change: perform - the update by delete marking and inserting. - - TODO! What to do to the 'Halloween problem', where an update - moves the record forward in index so that it is again - updated when the cursor arrives there? Solution: the - read operation must check the undo record undo number when - choosing records to update. MySQL solves now the problem - externally! */ - - err = row_upd_clust_rec_by_insert( - node, index, thr, referenced, mtr); - - if (err != DB_SUCCESS) { - - return(err); - } - - node->state = UPD_NODE_UPDATE_ALL_SEC; - } else { - err = row_upd_clust_rec(node, index, thr, mtr); - - if (err != DB_SUCCESS) { - - return(err); - } - - node->state = UPD_NODE_UPDATE_SOME_SEC; - } - - node->index = dict_table_get_next_index(index); - - return(err); -} - -/***********************************************************//** -Updates the affected index records of a row. When the control is transferred -to this node, we assume that we have a persistent cursor which was on a -record, and the position of the cursor is stored in the cursor. -@return DB_SUCCESS if operation successfully completed, else error -code or DB_LOCK_WAIT */ -static -ulint -row_upd( -/*====*/ - upd_node_t* node, /*!< in: row update node */ - que_thr_t* thr) /*!< in: query thread */ -{ - ulint err = DB_SUCCESS; - - ut_ad(node && thr); - - if (UNIV_LIKELY(node->in_mysql_interface)) { - - /* We do not get the cmpl_info value from the MySQL - interpreter: we must calculate it on the fly: */ - - if (node->is_delete - || row_upd_changes_some_index_ord_field_binary( - node->table, node->update)) { - node->cmpl_info = 0; - } else { - node->cmpl_info = UPD_NODE_NO_ORD_CHANGE; - } - } - - if (node->state == UPD_NODE_UPDATE_CLUSTERED - || node->state == UPD_NODE_INSERT_CLUSTERED) { - - err = row_upd_clust_step(node, thr); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - } - - if (!node->is_delete && (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - - goto function_exit; - } - - while (node->index != NULL) { - err = row_upd_sec_step(node, thr); - - if (err != DB_SUCCESS) { - - goto function_exit; - } - - node->index = dict_table_get_next_index(node->index); - } - -function_exit: - if (err == DB_SUCCESS) { - /* Do some cleanup */ - - if (node->row != NULL) { - node->row = NULL; - node->ext = NULL; - node->upd_row = NULL; - node->upd_ext = NULL; - mem_heap_empty(node->heap); - } - - node->state = UPD_NODE_UPDATE_CLUSTERED; - } - - return(err); -} - -/***********************************************************//** -Updates a row in a table. This is a high-level function used in SQL execution -graphs. -@return query thread to run next or NULL */ -UNIV_INTERN -que_thr_t* -row_upd_step( -/*=========*/ - que_thr_t* thr) /*!< in: query thread */ -{ - upd_node_t* node; - sel_node_t* sel_node; - que_node_t* parent; - ulint err = DB_SUCCESS; - trx_t* trx; - - ut_ad(thr); - - trx = thr_get_trx(thr); - - trx_start_if_not_started(trx); - - node = thr->run_node; - - sel_node = node->select; - - parent = que_node_get_parent(node); - - ut_ad(que_node_get_type(node) == QUE_NODE_UPDATE); - - if (thr->prev_node == parent) { - node->state = UPD_NODE_SET_IX_LOCK; - } - - if (node->state == UPD_NODE_SET_IX_LOCK) { - - if (!node->has_clust_rec_x_lock) { - /* It may be that the current session has not yet - started its transaction, or it has been committed: */ - - err = lock_table(0, node->table, LOCK_IX, thr); - - if (err != DB_SUCCESS) { - - goto error_handling; - } - } - - node->state = UPD_NODE_UPDATE_CLUSTERED; - - if (node->searched_update) { - /* Reset the cursor */ - sel_node->state = SEL_NODE_OPEN; - - /* Fetch a row to update */ - - thr->run_node = sel_node; - - return(thr); - } - } - - /* sel_node is NULL if we are in the MySQL interface */ - - if (sel_node && (sel_node->state != SEL_NODE_FETCH)) { - - if (!node->searched_update) { - /* An explicit cursor should be positioned on a row - to update */ - - ut_error; - - err = DB_ERROR; - - goto error_handling; - } - - ut_ad(sel_node->state == SEL_NODE_NO_MORE_ROWS); - - /* No more rows to update, or the select node performed the - updates directly in-place */ - - thr->run_node = parent; - - return(thr); - } - - /* DO THE CHECKS OF THE CONSISTENCY CONSTRAINTS HERE */ - - err = row_upd(node, thr); - -error_handling: - trx->error_state = err; - - if (err != DB_SUCCESS) { - return(NULL); - } - - /* DO THE TRIGGER ACTIONS HERE */ - - if (node->searched_update) { - /* Fetch next row to update */ - - thr->run_node = sel_node; - } else { - /* It was an explicit cursor update */ - - thr->run_node = parent; - } - - node->state = UPD_NODE_UPDATE_CLUSTERED; - - return(thr); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/row/row0vers.c b/perfschema/row/row0vers.c deleted file mode 100644 index a4fbb5289aa..00000000000 --- a/perfschema/row/row0vers.c +++ /dev/null @@ -1,741 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file row/row0vers.c -Row versions - -Created 2/6/1997 Heikki Tuuri -*******************************************************/ - -#include "row0vers.h" - -#ifdef UNIV_NONINL -#include "row0vers.ic" -#endif - -#include "dict0dict.h" -#include "dict0boot.h" -#include "btr0btr.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "trx0undo.h" -#include "trx0purge.h" -#include "trx0rec.h" -#include "que0que.h" -#include "row0row.h" -#include "row0upd.h" -#include "rem0cmp.h" -#include "read0read.h" -#include "lock0lock.h" - -/*****************************************************************//** -Finds out if an active transaction has inserted or modified a secondary -index record. NOTE: the kernel mutex is temporarily released in this -function! -@return NULL if committed, else the active transaction */ -UNIV_INTERN -trx_t* -row_vers_impl_x_locked_off_kernel( -/*==============================*/ - const rec_t* rec, /*!< in: record in a secondary index */ - dict_index_t* index, /*!< in: the secondary index */ - const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */ -{ - dict_index_t* clust_index; - rec_t* clust_rec; - ulint* clust_offsets; - rec_t* version; - trx_id_t trx_id; - mem_heap_t* heap; - mem_heap_t* heap2; - dtuple_t* row; - dtuple_t* entry = NULL; /* assignment to eliminate compiler - warning */ - trx_t* trx; - ulint rec_del; - ulint err; - mtr_t mtr; - ulint comp; - - ut_ad(mutex_own(&kernel_mutex)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - mutex_exit(&kernel_mutex); - - mtr_start(&mtr); - - /* Search for the clustered index record: this is a time-consuming - operation: therefore we release the kernel mutex; also, the release - is required by the latching order convention. The latch on the - clustered index locks the top of the stack of versions. We also - reserve purge_latch to lock the bottom of the version stack. */ - - clust_rec = row_get_clust_rec(BTR_SEARCH_LEAF, rec, index, - &clust_index, &mtr); - if (!clust_rec) { - /* In a rare case it is possible that no clust rec is found - for a secondary index record: if in row0umod.c - row_undo_mod_remove_clust_low() we have already removed the - clust rec, while purge is still cleaning and removing - secondary index records associated with earlier versions of - the clustered index record. In that case there cannot be - any implicit lock on the secondary index record, because - an active transaction which has modified the secondary index - record has also modified the clustered index record. And in - a rollback we always undo the modifications to secondary index - records before the clustered index record. */ - - mutex_enter(&kernel_mutex); - mtr_commit(&mtr); - - return(NULL); - } - - heap = mem_heap_create(1024); - clust_offsets = rec_get_offsets(clust_rec, clust_index, NULL, - ULINT_UNDEFINED, &heap); - trx_id = row_get_rec_trx_id(clust_rec, clust_index, clust_offsets); - - mtr_s_lock(&(purge_sys->latch), &mtr); - - mutex_enter(&kernel_mutex); - - trx = NULL; - if (!trx_is_active(trx_id)) { - /* The transaction that modified or inserted clust_rec is no - longer active: no implicit lock on rec */ - goto exit_func; - } - - if (!lock_check_trx_id_sanity(trx_id, clust_rec, clust_index, - clust_offsets, TRUE)) { - /* Corruption noticed: try to avoid a crash by returning */ - goto exit_func; - } - - comp = page_rec_is_comp(rec); - ut_ad(index->table == clust_index->table); - ut_ad(!!comp == dict_table_is_comp(index->table)); - ut_ad(!comp == !page_rec_is_comp(clust_rec)); - - /* We look up if some earlier version, which was modified by the trx_id - transaction, of the clustered index record would require rec to be in - a different state (delete marked or unmarked, or have different field - values, or not existing). If there is such a version, then rec was - modified by the trx_id transaction, and it has an implicit x-lock on - rec. Note that if clust_rec itself would require rec to be in a - different state, then the trx_id transaction has not yet had time to - modify rec, and does not necessarily have an implicit x-lock on rec. */ - - rec_del = rec_get_deleted_flag(rec, comp); - trx = NULL; - - version = clust_rec; - - for (;;) { - rec_t* prev_version; - ulint vers_del; - row_ext_t* ext; - trx_id_t prev_trx_id; - - mutex_exit(&kernel_mutex); - - /* While we retrieve an earlier version of clust_rec, we - release the kernel mutex, because it may take time to access - the disk. After the release, we have to check if the trx_id - transaction is still active. We keep the semaphore in mtr on - the clust_rec page, so that no other transaction can update - it and get an implicit x-lock on rec. */ - - heap2 = heap; - heap = mem_heap_create(1024); - err = trx_undo_prev_version_build(clust_rec, &mtr, version, - clust_index, clust_offsets, - heap, &prev_version); - mem_heap_free(heap2); /* free version and clust_offsets */ - - if (prev_version == NULL) { - mutex_enter(&kernel_mutex); - - if (!trx_is_active(trx_id)) { - /* Transaction no longer active: no - implicit x-lock */ - - break; - } - - /* If the transaction is still active, - clust_rec must be a fresh insert, because no - previous version was found. */ - ut_ad(err == DB_SUCCESS); - - /* It was a freshly inserted version: there is an - implicit x-lock on rec */ - - trx = trx_get_on_id(trx_id); - - break; - } - - clust_offsets = rec_get_offsets(prev_version, clust_index, - NULL, ULINT_UNDEFINED, &heap); - - vers_del = rec_get_deleted_flag(prev_version, comp); - prev_trx_id = row_get_rec_trx_id(prev_version, clust_index, - clust_offsets); - - /* If the trx_id and prev_trx_id are different and if - the prev_version is marked deleted then the - prev_trx_id must have already committed for the trx_id - to be able to modify the row. Therefore, prev_trx_id - cannot hold any implicit lock. */ - if (vers_del && 0 != ut_dulint_cmp(trx_id, prev_trx_id)) { - - mutex_enter(&kernel_mutex); - break; - } - - /* The stack of versions is locked by mtr. Thus, it - is safe to fetch the prefixes for externally stored - columns. */ - row = row_build(ROW_COPY_POINTERS, clust_index, prev_version, - clust_offsets, NULL, &ext, heap); - entry = row_build_index_entry(row, ext, index, heap); - /* entry may be NULL if a record was inserted in place - of a deleted record, and the BLOB pointers of the new - record were not initialized yet. But in that case, - prev_version should be NULL. */ - ut_a(entry); - - mutex_enter(&kernel_mutex); - - if (!trx_is_active(trx_id)) { - /* Transaction no longer active: no implicit x-lock */ - - break; - } - - /* If we get here, we know that the trx_id transaction is - still active and it has modified prev_version. Let us check - if prev_version would require rec to be in a different - state. */ - - /* The previous version of clust_rec must be - accessible, because the transaction is still active - and clust_rec was not a fresh insert. */ - ut_ad(err == DB_SUCCESS); - - /* We check if entry and rec are identified in the alphabetical - ordering */ - if (0 == cmp_dtuple_rec(entry, rec, offsets)) { - /* The delete marks of rec and prev_version should be - equal for rec to be in the state required by - prev_version */ - - if (rec_del != vers_del) { - trx = trx_get_on_id(trx_id); - - break; - } - - /* It is possible that the row was updated so that the - secondary index record remained the same in - alphabetical ordering, but the field values changed - still. For example, 'abc' -> 'ABC'. Check also that. */ - - dtuple_set_types_binary(entry, - dtuple_get_n_fields(entry)); - if (0 != cmp_dtuple_rec(entry, rec, offsets)) { - - trx = trx_get_on_id(trx_id); - - break; - } - } else if (!rec_del) { - /* The delete mark should be set in rec for it to be - in the state required by prev_version */ - - trx = trx_get_on_id(trx_id); - - break; - } - - if (0 != ut_dulint_cmp(trx_id, prev_trx_id)) { - /* The versions modified by the trx_id transaction end - to prev_version: no implicit x-lock */ - - break; - } - - version = prev_version; - }/* for (;;) */ - -exit_func: - mtr_commit(&mtr); - mem_heap_free(heap); - - return(trx); -} - -/*****************************************************************//** -Finds out if we must preserve a delete marked earlier version of a clustered -index record, because it is >= the purge view. -@return TRUE if earlier version should be preserved */ -UNIV_INTERN -ibool -row_vers_must_preserve_del_marked( -/*==============================*/ - trx_id_t trx_id, /*!< in: transaction id in the version */ - mtr_t* mtr) /*!< in: mtr holding the latch on the - clustered index record; it will also - hold the latch on purge_view */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - mtr_s_lock(&(purge_sys->latch), mtr); - - if (trx_purge_update_undo_must_exist(trx_id)) { - - /* A purge operation is not yet allowed to remove this - delete marked record */ - - return(TRUE); - } - - return(FALSE); -} - -/*****************************************************************//** -Finds out if a version of the record, where the version >= the current -purge view, should have ientry as its secondary index entry. We check -if there is any not delete marked version of the record where the trx -id >= purge view, and the secondary index entry and ientry are identified in -the alphabetical ordering; exactly in this case we return TRUE. -@return TRUE if earlier version should have */ -UNIV_INTERN -ibool -row_vers_old_has_index_entry( -/*=========================*/ - ibool also_curr,/*!< in: TRUE if also rec is included in the - versions to search; otherwise only versions - prior to it are searched */ - const rec_t* rec, /*!< in: record in the clustered index; the - caller must have a latch on the page */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec; it will - also hold the latch on purge_view */ - dict_index_t* index, /*!< in: the secondary index */ - const dtuple_t* ientry) /*!< in: the secondary index entry */ -{ - const rec_t* version; - rec_t* prev_version; - dict_index_t* clust_index; - ulint* clust_offsets; - mem_heap_t* heap; - mem_heap_t* heap2; - const dtuple_t* row; - const dtuple_t* entry; - ulint err; - ulint comp; - - ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) - || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - mtr_s_lock(&(purge_sys->latch), mtr); - - clust_index = dict_table_get_first_index(index->table); - - comp = page_rec_is_comp(rec); - ut_ad(!dict_table_is_comp(index->table) == !comp); - heap = mem_heap_create(1024); - clust_offsets = rec_get_offsets(rec, clust_index, NULL, - ULINT_UNDEFINED, &heap); - - if (also_curr && !rec_get_deleted_flag(rec, comp)) { - row_ext_t* ext; - - /* The stack of versions is locked by mtr. - Thus, it is safe to fetch the prefixes for - externally stored columns. */ - row = row_build(ROW_COPY_POINTERS, clust_index, - rec, clust_offsets, NULL, &ext, heap); - entry = row_build_index_entry(row, ext, index, heap); - - /* If entry == NULL, the record contains unset BLOB - pointers. This must be a freshly inserted record. If - this is called from - row_purge_remove_sec_if_poss_low(), the thread will - hold latches on the clustered index and the secondary - index. Because the insert works in three steps: - - (1) insert the record to clustered index - (2) store the BLOBs and update BLOB pointers - (3) insert records to secondary indexes - - the purge thread can safely ignore freshly inserted - records and delete the secondary index record. The - thread that inserted the new record will be inserting - the secondary index records. */ - - /* NOTE that we cannot do the comparison as binary - fields because the row is maybe being modified so that - the clustered index record has already been updated to - a different binary value in a char field, but the - collation identifies the old and new value anyway! */ - if (entry && !dtuple_coll_cmp(ientry, entry)) { - - mem_heap_free(heap); - - return(TRUE); - } - } - - version = rec; - - for (;;) { - heap2 = heap; - heap = mem_heap_create(1024); - err = trx_undo_prev_version_build(rec, mtr, version, - clust_index, clust_offsets, - heap, &prev_version); - mem_heap_free(heap2); /* free version and clust_offsets */ - - if (err != DB_SUCCESS || !prev_version) { - /* Versions end here */ - - mem_heap_free(heap); - - return(FALSE); - } - - clust_offsets = rec_get_offsets(prev_version, clust_index, - NULL, ULINT_UNDEFINED, &heap); - - if (!rec_get_deleted_flag(prev_version, comp)) { - row_ext_t* ext; - - /* The stack of versions is locked by mtr. - Thus, it is safe to fetch the prefixes for - externally stored columns. */ - row = row_build(ROW_COPY_POINTERS, clust_index, - prev_version, clust_offsets, - NULL, &ext, heap); - entry = row_build_index_entry(row, ext, index, heap); - - /* If entry == NULL, the record contains unset - BLOB pointers. This must be a freshly - inserted record that we can safely ignore. - For the justification, see the comments after - the previous row_build_index_entry() call. */ - - /* NOTE that we cannot do the comparison as binary - fields because maybe the secondary index record has - already been updated to a different binary value in - a char field, but the collation identifies the old - and new value anyway! */ - - if (entry && !dtuple_coll_cmp(ientry, entry)) { - - mem_heap_free(heap); - - return(TRUE); - } - } - - version = prev_version; - } -} - -/*****************************************************************//** -Constructs the version of a clustered index record which a consistent -read should see. We assume that the trx id stored in rec is such that -the consistent read should not see rec in its present version. -@return DB_SUCCESS or DB_MISSING_HISTORY */ -UNIV_INTERN -ulint -row_vers_build_for_consistent_read( -/*===============================*/ - const rec_t* rec, /*!< in: record in a clustered index; the - caller must have a latch on the page; this - latch locks the top of the stack of versions - of this records */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec */ - dict_index_t* index, /*!< in: the clustered index */ - ulint** offsets,/*!< in/out: offsets returned by - rec_get_offsets(rec, index) */ - read_view_t* view, /*!< in: the consistent read view */ - mem_heap_t** offset_heap,/*!< in/out: memory heap from which - the offsets are allocated */ - mem_heap_t* in_heap,/*!< in: memory heap from which the memory for - *old_vers is allocated; memory for possible - intermediate versions is allocated and freed - locally within the function */ - rec_t** old_vers)/*!< out, own: old version, or NULL if the - record does not exist in the view, that is, - it was freshly inserted afterwards */ -{ - const rec_t* version; - rec_t* prev_version; - trx_id_t trx_id; - mem_heap_t* heap = NULL; - byte* buf; - ulint err; - - ut_ad(dict_index_is_clust(index)); - ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) - || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - ut_ad(rec_offs_validate(rec, index, *offsets)); - - trx_id = row_get_rec_trx_id(rec, index, *offsets); - - ut_ad(!read_view_sees_trx_id(view, trx_id)); - - rw_lock_s_lock(&(purge_sys->latch)); - version = rec; - - for (;;) { - mem_heap_t* heap2 = heap; - trx_undo_rec_t* undo_rec; - roll_ptr_t roll_ptr; - undo_no_t undo_no; - heap = mem_heap_create(1024); - - /* If we have high-granularity consistent read view and - creating transaction of the view is the same as trx_id in - the record we see this record only in the case when - undo_no of the record is < undo_no in the view. */ - - if (view->type == VIEW_HIGH_GRANULARITY - && ut_dulint_cmp(view->creator_trx_id, trx_id) == 0) { - - roll_ptr = row_get_rec_roll_ptr(version, index, - *offsets); - undo_rec = trx_undo_get_undo_rec_low(roll_ptr, heap); - undo_no = trx_undo_rec_get_undo_no(undo_rec); - mem_heap_empty(heap); - - if (ut_dulint_cmp(view->undo_no, undo_no) > 0) { - /* The view already sees this version: we can - copy it to in_heap and return */ - - buf = mem_heap_alloc(in_heap, - rec_offs_size(*offsets)); - *old_vers = rec_copy(buf, version, *offsets); - rec_offs_make_valid(*old_vers, index, - *offsets); - err = DB_SUCCESS; - - break; - } - } - - err = trx_undo_prev_version_build(rec, mtr, version, index, - *offsets, heap, - &prev_version); - if (heap2) { - mem_heap_free(heap2); /* free version */ - } - - if (err != DB_SUCCESS) { - break; - } - - if (prev_version == NULL) { - /* It was a freshly inserted version */ - *old_vers = NULL; - err = DB_SUCCESS; - - break; - } - - *offsets = rec_get_offsets(prev_version, index, *offsets, - ULINT_UNDEFINED, offset_heap); - - trx_id = row_get_rec_trx_id(prev_version, index, *offsets); - - if (read_view_sees_trx_id(view, trx_id)) { - - /* The view already sees this version: we can copy - it to in_heap and return */ - - buf = mem_heap_alloc(in_heap, rec_offs_size(*offsets)); - *old_vers = rec_copy(buf, prev_version, *offsets); - rec_offs_make_valid(*old_vers, index, *offsets); - err = DB_SUCCESS; - - break; - } - - version = prev_version; - }/* for (;;) */ - - mem_heap_free(heap); - rw_lock_s_unlock(&(purge_sys->latch)); - - return(err); -} - -/*****************************************************************//** -Constructs the last committed version of a clustered index record, -which should be seen by a semi-consistent read. -@return DB_SUCCESS or DB_MISSING_HISTORY */ -UNIV_INTERN -ulint -row_vers_build_for_semi_consistent_read( -/*====================================*/ - const rec_t* rec, /*!< in: record in a clustered index; the - caller must have a latch on the page; this - latch locks the top of the stack of versions - of this records */ - mtr_t* mtr, /*!< in: mtr holding the latch on rec */ - dict_index_t* index, /*!< in: the clustered index */ - ulint** offsets,/*!< in/out: offsets returned by - rec_get_offsets(rec, index) */ - mem_heap_t** offset_heap,/*!< in/out: memory heap from which - the offsets are allocated */ - mem_heap_t* in_heap,/*!< in: memory heap from which the memory for - *old_vers is allocated; memory for possible - intermediate versions is allocated and freed - locally within the function */ - const rec_t** old_vers)/*!< out: rec, old version, or NULL if the - record does not exist in the view, that is, - it was freshly inserted afterwards */ -{ - const rec_t* version; - mem_heap_t* heap = NULL; - byte* buf; - ulint err; - trx_id_t rec_trx_id = ut_dulint_zero; - - ut_ad(dict_index_is_clust(index)); - ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX) - || mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_S_FIX)); -#ifdef UNIV_SYNC_DEBUG - ut_ad(!rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - ut_ad(rec_offs_validate(rec, index, *offsets)); - - rw_lock_s_lock(&(purge_sys->latch)); - /* The S-latch on purge_sys prevents the purge view from - changing. Thus, if we have an uncommitted transaction at - this point, then purge cannot remove its undo log even if - the transaction could commit now. */ - - version = rec; - - for (;;) { - trx_t* version_trx; - mem_heap_t* heap2; - rec_t* prev_version; - trx_id_t version_trx_id; - - version_trx_id = row_get_rec_trx_id(version, index, *offsets); - if (rec == version) { - rec_trx_id = version_trx_id; - } - - mutex_enter(&kernel_mutex); - version_trx = trx_get_on_id(version_trx_id); - mutex_exit(&kernel_mutex); - - if (!version_trx - || version_trx->conc_state == TRX_NOT_STARTED - || version_trx->conc_state == TRX_COMMITTED_IN_MEMORY) { - - /* We found a version that belongs to a - committed transaction: return it. */ - - if (rec == version) { - *old_vers = rec; - err = DB_SUCCESS; - break; - } - - /* We assume that a rolled-back transaction stays in - TRX_ACTIVE state until all the changes have been - rolled back and the transaction is removed from - the global list of transactions. */ - - if (!ut_dulint_cmp(rec_trx_id, version_trx_id)) { - /* The transaction was committed while - we searched for earlier versions. - Return the current version as a - semi-consistent read. */ - - version = rec; - *offsets = rec_get_offsets(version, - index, *offsets, - ULINT_UNDEFINED, - offset_heap); - } - - buf = mem_heap_alloc(in_heap, rec_offs_size(*offsets)); - *old_vers = rec_copy(buf, version, *offsets); - rec_offs_make_valid(*old_vers, index, *offsets); - err = DB_SUCCESS; - - break; - } - - heap2 = heap; - heap = mem_heap_create(1024); - - err = trx_undo_prev_version_build(rec, mtr, version, index, - *offsets, heap, - &prev_version); - if (heap2) { - mem_heap_free(heap2); /* free version */ - } - - if (UNIV_UNLIKELY(err != DB_SUCCESS)) { - break; - } - - if (prev_version == NULL) { - /* It was a freshly inserted version */ - *old_vers = NULL; - err = DB_SUCCESS; - - break; - } - - version = prev_version; - *offsets = rec_get_offsets(version, index, *offsets, - ULINT_UNDEFINED, offset_heap); - }/* for (;;) */ - - if (heap) { - mem_heap_free(heap); - } - rw_lock_s_unlock(&(purge_sys->latch)); - - return(err); -} diff --git a/perfschema/scripts/export.sh b/perfschema/scripts/export.sh deleted file mode 100755 index 2a4355c1e43..00000000000 --- a/perfschema/scripts/export.sh +++ /dev/null @@ -1,74 +0,0 @@ -#!/bin/bash -# -# export current working directory in a format suitable for sending to MySQL -# as a snapshot. also generates the actual snapshot and sends it to MySQL. - -set -eu - -die () { - echo $* - exit 1 -} - -if [ $# -ne 2 ] ; then - die "Usage: export.sh revision-number-of-last-snapshot current-revision-number" -fi - -# If we are run from within the scripts/ directory then change directory to -# one level up so that the relative paths work. -DIR=`basename $PWD` - -if [ "${DIR}" = "scripts" ]; then - cd .. -fi - -START_REV=$(($1 + 1)) -END_REV=$2 - -set +u -if test -z $EDITOR; then - die "\$EDITOR is not set" -fi -set -u - -rm -rf to-mysql -mkdir to-mysql{,/storage,/patches,/mysql-test{,/t,/r,/include}} -svn log -v -r "$START_REV:BASE" > to-mysql/log -svn export -q . to-mysql/storage/innobase - -REV=$START_REV -while [ $REV -le $END_REV ] -do - PATCH=to-mysql/patches/r$REV.patch - svn log -v -r$REV > $PATCH - if [ $(wc -c < $PATCH) -gt 73 ] - then - svn diff -r$(($REV-1)):$REV >> $PATCH - else - rm $PATCH - fi - REV=$(($REV + 1)) -done - -cd to-mysql/storage/innobase - -mv mysql-test/*.test mysql-test/*.opt ../../mysql-test/t -mv mysql-test/*.result ../../mysql-test/r -mv mysql-test/*.inc ../../mysql-test/include -rmdir mysql-test - -rm setup.sh export.sh revert_gen.sh compile-innodb-debug compile-innodb - -cd ../.. -$EDITOR log -cd .. - -fname="innodb-5.1-ss$2.tar.gz" - -rm -f $fname -tar czf $fname to-mysql -scp $fname mysql:snapshots -rm $fname -rm -rf to-mysql - -echo "Sent $fname to MySQL" diff --git a/perfschema/scripts/install_innodb_plugins.sql b/perfschema/scripts/install_innodb_plugins.sql deleted file mode 100644 index 3fdb8f11e22..00000000000 --- a/perfschema/scripts/install_innodb_plugins.sql +++ /dev/null @@ -1,9 +0,0 @@ --- execute these to install InnoDB if it is built as a dynamic plugin -INSTALL PLUGIN innodb SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.so'; diff --git a/perfschema/scripts/install_innodb_plugins_win.sql b/perfschema/scripts/install_innodb_plugins_win.sql deleted file mode 100644 index 8c94b4e240d..00000000000 --- a/perfschema/scripts/install_innodb_plugins_win.sql +++ /dev/null @@ -1,9 +0,0 @@ --- execute these to install InnoDB if it is built as a dynamic plugin -INSTALL PLUGIN innodb SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.dll'; diff --git a/perfschema/setup.sh b/perfschema/setup.sh deleted file mode 100755 index 23fe729a406..00000000000 --- a/perfschema/setup.sh +++ /dev/null @@ -1,47 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# -# Prepare the MySQL source code tree for building -# with checked-out InnoDB Subversion directory. - -# This script assumes that the current directory is storage/innobase. - -set -eu - -TARGETDIR=../storage/innobase - -# link the build scripts -BUILDSCRIPTS="compile-innodb compile-innodb-debug" -for script in $BUILDSCRIPTS ; do - ln -sf $TARGETDIR/$script ../../BUILD/ -done - -cd ../../mysql-test/t -ln -sf ../$TARGETDIR/mysql-test/*.test ../$TARGETDIR/mysql-test/*.opt . -cd ../r -ln -sf ../$TARGETDIR/mysql-test/*.result . -cd ../include -ln -sf ../$TARGETDIR/mysql-test/*.inc . - -# Apply any patches that are needed to make the mysql-test suite successful. -# These patches are usually needed because of deviations of behavior between -# the stock InnoDB and the InnoDB Plugin. -cd ../.. -for patch in storage/innobase/mysql-test/patches/*.diff ; do - if [ "${patch}" != "storage/innobase/mysql-test/patches/*.diff" ] ; then - patch -p0 < ${patch} - fi -done diff --git a/perfschema/srv/srv0que.c b/perfschema/srv/srv0que.c deleted file mode 100644 index fc50a86a55c..00000000000 --- a/perfschema/srv/srv0que.c +++ /dev/null @@ -1,49 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file srv/srv0que.c -Server query execution - -Created 6/5/1996 Heikki Tuuri -*******************************************************/ - -#include "srv0que.h" - -#include "srv0srv.h" -#include "sync0sync.h" -#include "os0thread.h" -#include "usr0sess.h" -#include "que0que.h" - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue_low( -/*=====================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ut_ad(thr); - ut_ad(mutex_own(&kernel_mutex)); - - UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); - - srv_release_threads(SRV_WORKER, 1); -} diff --git a/perfschema/srv/srv0srv.c b/perfschema/srv/srv0srv.c deleted file mode 100644 index 8b0f3788884..00000000000 --- a/perfschema/srv/srv0srv.c +++ /dev/null @@ -1,2839 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, 2009 Google Inc. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file srv/srv0srv.c -The database server main program - -NOTE: SQL Server 7 uses something which the documentation -calls user mode scheduled threads (UMS threads). One such -thread is usually allocated per processor. Win32 -documentation does not know any UMS threads, which suggests -that the concept is internal to SQL Server 7. It may mean that -SQL Server 7 does all the scheduling of threads itself, even -in i/o waits. We should maybe modify InnoDB to use the same -technique, because thread switches within NT may be too slow. - -SQL Server 7 also mentions fibers, which are cooperatively -scheduled threads. They can boost performance by 5 %, -according to the Delaney and Soukup's book. - -Windows 2000 will have something called thread pooling -(see msdn website), which we could possibly use. - -Another possibility could be to use some very fast user space -thread library. This might confuse NT though. - -Created 10/8/1995 Heikki Tuuri -*******************************************************/ - -/* Dummy comment */ -#include "srv0srv.h" - -#include "ut0mem.h" -#include "ut0ut.h" -#include "os0proc.h" -#include "mem0mem.h" -#include "mem0pool.h" -#include "sync0sync.h" -#include "thr0loc.h" -#include "que0que.h" -#include "srv0que.h" -#include "log0recv.h" -#include "pars0pars.h" -#include "usr0sess.h" -#include "lock0lock.h" -#include "trx0purge.h" -#include "ibuf0ibuf.h" -#include "buf0flu.h" -#include "buf0lru.h" -#include "btr0sea.h" -#include "dict0load.h" -#include "dict0boot.h" -#include "srv0start.h" -#include "row0mysql.h" -#include "ha_prototypes.h" -#include "trx0i_s.h" -#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ - -/* This is set to TRUE if the MySQL user has set it in MySQL; currently -affects only FOREIGN KEY definition parsing */ -UNIV_INTERN ibool srv_lower_case_table_names = FALSE; - -/* The following counter is incremented whenever there is some user activity -in the server */ -UNIV_INTERN ulint srv_activity_count = 0; - -/* The following is the maximum allowed duration of a lock wait. */ -UNIV_INTERN ulint srv_fatal_semaphore_wait_threshold = 600; - -/* How much data manipulation language (DML) statements need to be delayed, -in microseconds, in order to reduce the lagging of the purge thread. */ -UNIV_INTERN ulint srv_dml_needed_delay = 0; - -UNIV_INTERN ibool srv_lock_timeout_active = FALSE; -UNIV_INTERN ibool srv_monitor_active = FALSE; -UNIV_INTERN ibool srv_error_monitor_active = FALSE; - -UNIV_INTERN const char* srv_main_thread_op_info = ""; - -/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ -UNIV_INTERN const char srv_mysql50_table_name_prefix[9] = "#mysql50#"; - -/* Server parameters which are read from the initfile */ - -/* The following three are dir paths which are catenated before file -names, where the file name itself may also contain a path */ - -UNIV_INTERN char* srv_data_home = NULL; -#ifdef UNIV_LOG_ARCHIVE -UNIV_INTERN char* srv_arch_dir = NULL; -#endif /* UNIV_LOG_ARCHIVE */ - -/** store to its own file each table created by an user; data -dictionary tables are in the system tablespace 0 */ -UNIV_INTERN my_bool srv_file_per_table; -/** The file format to use on new *.ibd files. */ -UNIV_INTERN ulint srv_file_format = 0; -/** Whether to check file format during startup. A value of -DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to -set it to the highest format we support. */ -UNIV_INTERN ulint srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX; - -#if DICT_TF_FORMAT_51 -# error "DICT_TF_FORMAT_51 must be 0!" -#endif -/** Place locks to records only i.e. do not use next-key locking except -on duplicate key checking and foreign key checking */ -UNIV_INTERN ibool srv_locks_unsafe_for_binlog = FALSE; - -/* If this flag is TRUE, then we will use the native aio of the -OS (provided we compiled Innobase with it in), otherwise we will -use simulated aio we build below with threads. -Currently we support native aio on windows and linux */ -UNIV_INTERN my_bool srv_use_native_aio = TRUE; - -UNIV_INTERN ulint srv_n_data_files = 0; -UNIV_INTERN char** srv_data_file_names = NULL; -/* size in database pages */ -UNIV_INTERN ulint* srv_data_file_sizes = NULL; - -/* if TRUE, then we auto-extend the last data file */ -UNIV_INTERN ibool srv_auto_extend_last_data_file = FALSE; -/* if != 0, this tells the max size auto-extending may increase the -last data file size */ -UNIV_INTERN ulint srv_last_file_size_max = 0; -/* If the last data file is auto-extended, we add this -many pages to it at a time */ -UNIV_INTERN ulong srv_auto_extend_increment = 8; -UNIV_INTERN ulint* srv_data_file_is_raw_partition = NULL; - -/* If the following is TRUE we do not allow inserts etc. This protects -the user from forgetting the 'newraw' keyword to my.cnf */ - -UNIV_INTERN ibool srv_created_new_raw = FALSE; - -UNIV_INTERN char** srv_log_group_home_dirs = NULL; - -UNIV_INTERN ulint srv_n_log_groups = ULINT_MAX; -UNIV_INTERN ulint srv_n_log_files = ULINT_MAX; -/* size in database pages */ -UNIV_INTERN ulint srv_log_file_size = ULINT_MAX; -/* size in database pages */ -UNIV_INTERN ulint srv_log_buffer_size = ULINT_MAX; -UNIV_INTERN ulong srv_flush_log_at_trx_commit = 1; - -/* Try to flush dirty pages so as to avoid IO bursts at -the checkpoints. */ -UNIV_INTERN char srv_adaptive_flushing = TRUE; - -/** Maximum number of times allowed to conditionally acquire -mutex before switching to blocking wait on the mutex */ -#define MAX_MUTEX_NOWAIT 20 - -/** Check whether the number of failed nonblocking mutex -acquisition attempts exceeds maximum allowed value. If so, -srv_printf_innodb_monitor() will request mutex acquisition -with mutex_enter(), which will wait until it gets the mutex. */ -#define MUTEX_NOWAIT(mutex_skipped) ((mutex_skipped) < MAX_MUTEX_NOWAIT) - -/** The sort order table of the MySQL latin1_swedish_ci character set -collation */ -UNIV_INTERN const byte* srv_latin1_ordering; - -/* use os/external memory allocator */ -UNIV_INTERN my_bool srv_use_sys_malloc = TRUE; -/* requested size in kilobytes */ -UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; -/* previously requested size */ -UNIV_INTERN ulint srv_buf_pool_old_size; -/* current size in kilobytes */ -UNIV_INTERN ulint srv_buf_pool_curr_size = 0; -/* size in bytes */ -UNIV_INTERN ulint srv_mem_pool_size = ULINT_MAX; -UNIV_INTERN ulint srv_lock_table_size = ULINT_MAX; - -/* This parameter is deprecated. Use srv_n_io_[read|write]_threads -instead. */ -UNIV_INTERN ulint srv_n_file_io_threads = ULINT_MAX; -UNIV_INTERN ulint srv_n_read_io_threads = ULINT_MAX; -UNIV_INTERN ulint srv_n_write_io_threads = ULINT_MAX; - -/* User settable value of the number of pages that must be present -in the buffer cache and accessed sequentially for InnoDB to trigger a -readahead request. */ -UNIV_INTERN ulong srv_read_ahead_threshold = 56; - -#ifdef UNIV_LOG_ARCHIVE -UNIV_INTERN ibool srv_log_archive_on = FALSE; -UNIV_INTERN ibool srv_archive_recovery = 0; -UNIV_INTERN ib_uint64_t srv_archive_recovery_limit_lsn; -#endif /* UNIV_LOG_ARCHIVE */ - -/* This parameter is used to throttle the number of insert buffers that are -merged in a batch. By increasing this parameter on a faster disk you can -possibly reduce the number of I/O operations performed to complete the -merge operation. The value of this parameter is used as is by the -background loop when the system is idle (low load), on a busy system -the parameter is scaled down by a factor of 4, this is to avoid putting -a heavier load on the I/O sub system. */ - -UNIV_INTERN ulong srv_insert_buffer_batch_size = 20; - -UNIV_INTERN char* srv_file_flush_method_str = NULL; -UNIV_INTERN ulint srv_unix_file_flush_method = SRV_UNIX_FSYNC; -UNIV_INTERN ulint srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; - -UNIV_INTERN ulint srv_max_n_open_files = 300; - -/* Number of IO operations per second the server can do */ -UNIV_INTERN ulong srv_io_capacity = 200; - -/* The InnoDB main thread tries to keep the ratio of modified pages -in the buffer pool to all database pages in the buffer pool smaller than -the following number. But it is not guaranteed that the value stays below -that during a time of heavy update/insert activity. */ - -UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 75; - -/* variable counts amount of data read in total (in bytes) */ -UNIV_INTERN ulint srv_data_read = 0; - -/* here we count the amount of data written in total (in bytes) */ -UNIV_INTERN ulint srv_data_written = 0; - -/* the number of the log write requests done */ -UNIV_INTERN ulint srv_log_write_requests = 0; - -/* the number of physical writes to the log performed */ -UNIV_INTERN ulint srv_log_writes = 0; - -/* amount of data written to the log files in bytes */ -UNIV_INTERN ulint srv_os_log_written = 0; - -/* amount of writes being done to the log files */ -UNIV_INTERN ulint srv_os_log_pending_writes = 0; - -/* we increase this counter, when there we don't have enough space in the -log buffer and have to flush it */ -UNIV_INTERN ulint srv_log_waits = 0; - -/* this variable counts the amount of times, when the doublewrite buffer -was flushed */ -UNIV_INTERN ulint srv_dblwr_writes = 0; - -/* here we store the number of pages that have been flushed to the -doublewrite buffer */ -UNIV_INTERN ulint srv_dblwr_pages_written = 0; - -/* in this variable we store the number of write requests issued */ -UNIV_INTERN ulint srv_buf_pool_write_requests = 0; - -/* here we store the number of times when we had to wait for a free page -in the buffer pool. It happens when the buffer pool is full and we need -to make a flush, in order to be able to read or create a page. */ -UNIV_INTERN ulint srv_buf_pool_wait_free = 0; - -/* variable to count the number of pages that were written from buffer -pool to the disk */ -UNIV_INTERN ulint srv_buf_pool_flushed = 0; - -/** Number of buffer pool reads that led to the -reading of a disk page */ -UNIV_INTERN ulint srv_buf_pool_reads = 0; - -/* structure to pass status variables to MySQL */ -UNIV_INTERN export_struc export_vars; - -/* If the following is != 0 we do not allow inserts etc. This protects -the user from forgetting the innodb_force_recovery keyword to my.cnf */ - -UNIV_INTERN ulint srv_force_recovery = 0; -/*-----------------------*/ -/* We are prepared for a situation that we have this many threads waiting for -a semaphore inside InnoDB. innobase_start_or_create_for_mysql() sets the -value. */ - -UNIV_INTERN ulint srv_max_n_threads = 0; - -/* The following controls how many threads we let inside InnoDB concurrently: -threads waiting for locks are not counted into the number because otherwise -we could get a deadlock. MySQL creates a thread for each user session, and -semaphore contention and convoy problems can occur withput this restriction. -Value 10 should be good if there are less than 4 processors + 4 disks in the -computer. Bigger computers need bigger values. Value 0 will disable the -concurrency check. */ - -UNIV_INTERN ulong srv_thread_concurrency = 0; - -/* this mutex protects srv_conc data structures */ -UNIV_INTERN os_fast_mutex_t srv_conc_mutex; -/* number of transactions that have declared_to_be_inside_innodb set. -It used to be a non-error for this value to drop below zero temporarily. -This is no longer true. We'll, however, keep the lint datatype to add -assertions to catch any corner cases that we may have missed. */ -UNIV_INTERN lint srv_conc_n_threads = 0; -/* number of OS threads waiting in the FIFO for a permission to enter -InnoDB */ -UNIV_INTERN ulint srv_conc_n_waiting_threads = 0; - -typedef struct srv_conc_slot_struct srv_conc_slot_t; -struct srv_conc_slot_struct{ - os_event_t event; /*!< event to wait */ - ibool reserved; /*!< TRUE if slot - reserved */ - ibool wait_ended; /*!< TRUE when another - thread has already set - the event and the - thread in this slot is - free to proceed; but - reserved may still be - TRUE at that point */ - UT_LIST_NODE_T(srv_conc_slot_t) srv_conc_queue; /*!< queue node */ -}; - -/* queue of threads waiting to get in */ -UNIV_INTERN UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; -/* array of wait slots */ -UNIV_INTERN srv_conc_slot_t* srv_conc_slots; - -/* Number of times a thread is allowed to enter InnoDB within the same -SQL query after it has once got the ticket at srv_conc_enter_innodb */ -#define SRV_FREE_TICKETS_TO_ENTER srv_n_free_tickets_to_enter -#define SRV_THREAD_SLEEP_DELAY srv_thread_sleep_delay -/*-----------------------*/ -/* If the following is set to 1 then we do not run purge and insert buffer -merge to completion before shutdown. If it is set to 2, do not even flush the -buffer pool to data files at the shutdown: we effectively 'crash' -InnoDB (but lose no committed transactions). */ -UNIV_INTERN ulint srv_fast_shutdown = 0; - -/* Generate a innodb_status. file */ -UNIV_INTERN ibool srv_innodb_status = FALSE; - -/* When estimating number of different key values in an index, sample -this many index pages */ -UNIV_INTERN unsigned long long srv_stats_sample_pages = 8; - -UNIV_INTERN ibool srv_use_doublewrite_buf = TRUE; -UNIV_INTERN ibool srv_use_checksums = TRUE; - -UNIV_INTERN ulong srv_replication_delay = 0; - -/*-------------------------------------------*/ -UNIV_INTERN ulong srv_n_spin_wait_rounds = 30; -UNIV_INTERN ulong srv_n_free_tickets_to_enter = 500; -UNIV_INTERN ulong srv_thread_sleep_delay = 10000; -UNIV_INTERN ulong srv_spin_wait_delay = 6; -UNIV_INTERN ibool srv_priority_boost = TRUE; - -#ifdef UNIV_DEBUG -UNIV_INTERN ibool srv_print_thread_releases = FALSE; -UNIV_INTERN ibool srv_print_lock_waits = FALSE; -UNIV_INTERN ibool srv_print_buf_io = FALSE; -UNIV_INTERN ibool srv_print_log_io = FALSE; -UNIV_INTERN ibool srv_print_latch_waits = FALSE; -#endif /* UNIV_DEBUG */ - -UNIV_INTERN ulint srv_n_rows_inserted = 0; -UNIV_INTERN ulint srv_n_rows_updated = 0; -UNIV_INTERN ulint srv_n_rows_deleted = 0; -UNIV_INTERN ulint srv_n_rows_read = 0; - -static ulint srv_n_rows_inserted_old = 0; -static ulint srv_n_rows_updated_old = 0; -static ulint srv_n_rows_deleted_old = 0; -static ulint srv_n_rows_read_old = 0; - -UNIV_INTERN ulint srv_n_lock_wait_count = 0; -UNIV_INTERN ulint srv_n_lock_wait_current_count = 0; -UNIV_INTERN ib_int64_t srv_n_lock_wait_time = 0; -UNIV_INTERN ulint srv_n_lock_max_wait_time = 0; - - -/* - Set the following to 0 if you want InnoDB to write messages on - stderr on startup/shutdown -*/ -UNIV_INTERN ibool srv_print_verbose_log = TRUE; -UNIV_INTERN ibool srv_print_innodb_monitor = FALSE; -UNIV_INTERN ibool srv_print_innodb_lock_monitor = FALSE; -UNIV_INTERN ibool srv_print_innodb_tablespace_monitor = FALSE; -UNIV_INTERN ibool srv_print_innodb_table_monitor = FALSE; - -/* Array of English strings describing the current state of an -i/o handler thread */ - -UNIV_INTERN const char* srv_io_thread_op_info[SRV_MAX_N_IO_THREADS]; -UNIV_INTERN const char* srv_io_thread_function[SRV_MAX_N_IO_THREADS]; - -UNIV_INTERN time_t srv_last_monitor_time; - -UNIV_INTERN mutex_t srv_innodb_monitor_mutex; - -/* Mutex for locking srv_monitor_file */ -UNIV_INTERN mutex_t srv_monitor_file_mutex; -/* Temporary file for innodb monitor output */ -UNIV_INTERN FILE* srv_monitor_file; -/* Mutex for locking srv_dict_tmpfile. -This mutex has a very high rank; threads reserving it should not -be holding any InnoDB latches. */ -UNIV_INTERN mutex_t srv_dict_tmpfile_mutex; -/* Temporary file for output from the data dictionary */ -UNIV_INTERN FILE* srv_dict_tmpfile; -/* Mutex for locking srv_misc_tmpfile. -This mutex has a very low rank; threads reserving it should not -acquire any further latches or sleep before releasing this one. */ -UNIV_INTERN mutex_t srv_misc_tmpfile_mutex; -/* Temporary file for miscellanous diagnostic output */ -UNIV_INTERN FILE* srv_misc_tmpfile; - -UNIV_INTERN ulint srv_main_thread_process_no = 0; -UNIV_INTERN ulint srv_main_thread_id = 0; - -/* The following count work done by srv_master_thread. */ - -/* Iterations by the 'once per second' loop. */ -static ulint srv_main_1_second_loops = 0; -/* Calls to sleep by the 'once per second' loop. */ -static ulint srv_main_sleeps = 0; -/* Iterations by the 'once per 10 seconds' loop. */ -static ulint srv_main_10_second_loops = 0; -/* Iterations of the loop bounded by the 'background_loop' label. */ -static ulint srv_main_background_loops = 0; -/* Iterations of the loop bounded by the 'flush_loop' label. */ -static ulint srv_main_flush_loops = 0; -/* Log writes involving flush. */ -static ulint srv_log_writes_and_flush = 0; - -/* This is only ever touched by the master thread. It records the -time when the last flush of log file has happened. The master -thread ensures that we flush the log files at least once per -second. */ -static time_t srv_last_log_flush_time; - -/* The master thread performs various tasks based on the current -state of IO activity and the level of IO utilization is past -intervals. Following macros define thresholds for these conditions. */ -#define SRV_PEND_IO_THRESHOLD (PCT_IO(3)) -#define SRV_RECENT_IO_ACTIVITY (PCT_IO(5)) -#define SRV_PAST_IO_ACTIVITY (PCT_IO(200)) - -/* - IMPLEMENTATION OF THE SERVER MAIN PROGRAM - ========================================= - -There is the following analogue between this database -server and an operating system kernel: - -DB concept equivalent OS concept ----------- --------------------- -transaction -- process; - -query thread -- thread; - -lock -- semaphore; - -transaction set to -the rollback state -- kill signal delivered to a process; - -kernel -- kernel; - -query thread execution: -(a) without kernel mutex -reserved -- process executing in user mode; -(b) with kernel mutex reserved - -- process executing in kernel mode; - -The server is controlled by a master thread which runs at -a priority higher than normal, that is, higher than user threads. -It sleeps most of the time, and wakes up, say, every 300 milliseconds, -to check whether there is anything happening in the server which -requires intervention of the master thread. Such situations may be, -for example, when flushing of dirty blocks is needed in the buffer -pool or old version of database rows have to be cleaned away. - -The threads which we call user threads serve the queries of -the clients and input from the console of the server. -They run at normal priority. The server may have several -communications endpoints. A dedicated set of user threads waits -at each of these endpoints ready to receive a client request. -Each request is taken by a single user thread, which then starts -processing and, when the result is ready, sends it to the client -and returns to wait at the same endpoint the thread started from. - -So, we do not have dedicated communication threads listening at -the endpoints and dealing the jobs to dedicated worker threads. -Our architecture saves one thread swithch per request, compared -to the solution with dedicated communication threads -which amounts to 15 microseconds on 100 MHz Pentium -running NT. If the client -is communicating over a network, this saving is negligible, but -if the client resides in the same machine, maybe in an SMP machine -on a different processor from the server thread, the saving -can be important as the threads can communicate over shared -memory with an overhead of a few microseconds. - -We may later implement a dedicated communication thread solution -for those endpoints which communicate over a network. - -Our solution with user threads has two problems: for each endpoint -there has to be a number of listening threads. If there are many -communication endpoints, it may be difficult to set the right number -of concurrent threads in the system, as many of the threads -may always be waiting at less busy endpoints. Another problem -is queuing of the messages, as the server internally does not -offer any queue for jobs. - -Another group of user threads is intended for splitting the -queries and processing them in parallel. Let us call these -parallel communication threads. These threads are waiting for -parallelized tasks, suspended on event semaphores. - -A single user thread waits for input from the console, -like a command to shut the database. - -Utility threads are a different group of threads which takes -care of the buffer pool flushing and other, mainly background -operations, in the server. -Some of these utility threads always run at a lower than normal -priority, so that they are always in background. Some of them -may dynamically boost their priority by the pri_adjust function, -even to higher than normal priority, if their task becomes urgent. -The running of utilities is controlled by high- and low-water marks -of urgency. The urgency may be measured by the number of dirty blocks -in the buffer pool, in the case of the flush thread, for example. -When the high-water mark is exceeded, an utility starts running, until -the urgency drops under the low-water mark. Then the utility thread -suspend itself to wait for an event. The master thread is -responsible of signaling this event when the utility thread is -again needed. - -For each individual type of utility, some threads always remain -at lower than normal priority. This is because pri_adjust is implemented -so that the threads at normal or higher priority control their -share of running time by calling sleep. Thus, if the load of the -system sudenly drops, these threads cannot necessarily utilize -the system fully. The background priority threads make up for this, -starting to run when the load drops. - -When there is no activity in the system, also the master thread -suspends itself to wait for an event making -the server totally silent. The responsibility to signal this -event is on the user thread which again receives a message -from a client. - -There is still one complication in our server design. If a -background utility thread obtains a resource (e.g., mutex) needed by a user -thread, and there is also some other user activity in the system, -the user thread may have to wait indefinitely long for the -resource, as the OS does not schedule a background thread if -there is some other runnable user thread. This problem is called -priority inversion in real-time programming. - -One solution to the priority inversion problem would be to -keep record of which thread owns which resource and -in the above case boost the priority of the background thread -so that it will be scheduled and it can release the resource. -This solution is called priority inheritance in real-time programming. -A drawback of this solution is that the overhead of acquiring a mutex -increases slightly, maybe 0.2 microseconds on a 100 MHz Pentium, because -the thread has to call os_thread_get_curr_id. -This may be compared to 0.5 microsecond overhead for a mutex lock-unlock -pair. Note that the thread -cannot store the information in the resource, say mutex, itself, -because competing threads could wipe out the information if it is -stored before acquiring the mutex, and if it stored afterwards, -the information is outdated for the time of one machine instruction, -at least. (To be precise, the information could be stored to -lock_word in mutex if the machine supports atomic swap.) - -The above solution with priority inheritance may become actual in the -future, but at the moment we plan to implement a more coarse solution, -which could be called a global priority inheritance. If a thread -has to wait for a long time, say 300 milliseconds, for a resource, -we just guess that it may be waiting for a resource owned by a background -thread, and boost the priority of all runnable background threads -to the normal level. The background threads then themselves adjust -their fixed priority back to background after releasing all resources -they had (or, at some fixed points in their program code). - -What is the performance of the global priority inheritance solution? -We may weigh the length of the wait time 300 milliseconds, during -which the system processes some other thread -to the cost of boosting the priority of each runnable background -thread, rescheduling it, and lowering the priority again. -On 100 MHz Pentium + NT this overhead may be of the order 100 -microseconds per thread. So, if the number of runnable background -threads is not very big, say < 100, the cost is tolerable. -Utility threads probably will access resources used by -user threads not very often, so collisions of user threads -to preempted utility threads should not happen very often. - -The thread table contains -information of the current status of each thread existing in the system, -and also the event semaphores used in suspending the master thread -and utility and parallel communication threads when they have nothing to do. -The thread table can be seen as an analogue to the process table -in a traditional Unix implementation. - -The thread table is also used in the global priority inheritance -scheme. This brings in one additional complication: threads accessing -the thread table must have at least normal fixed priority, -because the priority inheritance solution does not work if a background -thread is preempted while possessing the mutex protecting the thread table. -So, if a thread accesses the thread table, its priority has to be -boosted at least to normal. This priority requirement can be seen similar to -the privileged mode used when processing the kernel calls in traditional -Unix.*/ - -/* Thread slot in the thread table */ -struct srv_slot_struct{ - os_thread_id_t id; /*!< thread id */ - os_thread_t handle; /*!< thread handle */ - unsigned type:3; /*!< thread type: user, utility etc. */ - unsigned in_use:1; /*!< TRUE if this slot is in use */ - unsigned suspended:1; /*!< TRUE if the thread is waiting - for the event of this slot */ - ib_time_t suspend_time; /*!< time when the thread was - suspended */ - os_event_t event; /*!< event used in suspending the - thread when it has nothing to do */ - que_thr_t* thr; /*!< suspended query thread (only - used for MySQL threads) */ -}; - -/* Table for MySQL threads where they will be suspended to wait for locks */ -UNIV_INTERN srv_slot_t* srv_mysql_table = NULL; - -UNIV_INTERN os_event_t srv_lock_timeout_thread_event; - -UNIV_INTERN srv_sys_t* srv_sys = NULL; - -/* padding to prevent other memory update hotspots from residing on -the same memory cache line */ -UNIV_INTERN byte srv_pad1[64]; -/* mutex protecting the server, trx structs, query threads, and lock table */ -UNIV_INTERN mutex_t* kernel_mutex_temp; -/* padding to prevent other memory update hotspots from residing on -the same memory cache line */ -UNIV_INTERN byte srv_pad2[64]; - -#if 0 -/* The following three values measure the urgency of the jobs of -buffer, version, and insert threads. They may vary from 0 - 1000. -The server mutex protects all these variables. The low-water values -tell that the server can acquiesce the utility when the value -drops below this low-water mark. */ - -static ulint srv_meter[SRV_MASTER + 1]; -static ulint srv_meter_low_water[SRV_MASTER + 1]; -static ulint srv_meter_high_water[SRV_MASTER + 1]; -static ulint srv_meter_high_water2[SRV_MASTER + 1]; -static ulint srv_meter_foreground[SRV_MASTER + 1]; -#endif - -/* The following values give info about the activity going on in -the database. They are protected by the server mutex. The arrays -are indexed by the type of the thread. */ - -UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; -UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; - -/*********************************************************************** -Prints counters for work done by srv_master_thread. */ -static -void -srv_print_master_thread_info( -/*=========================*/ - FILE *file) /* in: output stream */ -{ - fprintf(file, "srv_master_thread loops: %lu 1_second, %lu sleeps, " - "%lu 10_second, %lu background, %lu flush\n", - srv_main_1_second_loops, srv_main_sleeps, - srv_main_10_second_loops, srv_main_background_loops, - srv_main_flush_loops); - fprintf(file, "srv_master_thread log flush and writes: %lu\n", - srv_log_writes_and_flush); -} - -/*********************************************************************//** -Sets the info describing an i/o thread current state. */ -UNIV_INTERN -void -srv_set_io_thread_op_info( -/*======================*/ - ulint i, /*!< in: the 'segment' of the i/o thread */ - const char* str) /*!< in: constant char string describing the - state */ -{ - ut_a(i < SRV_MAX_N_IO_THREADS); - - srv_io_thread_op_info[i] = str; -} - -/*********************************************************************//** -Accessor function to get pointer to n'th slot in the server thread -table. -@return pointer to the slot */ -static -srv_slot_t* -srv_table_get_nth_slot( -/*===================*/ - ulint index) /*!< in: index of the slot */ -{ - ut_a(index < OS_THREAD_MAX_N); - - return(srv_sys->threads + index); -} - -/*********************************************************************//** -Gets the number of threads in the system. -@return sum of srv_n_threads[] */ -UNIV_INTERN -ulint -srv_get_n_threads(void) -/*===================*/ -{ - ulint i; - ulint n_threads = 0; - - mutex_enter(&kernel_mutex); - - for (i = SRV_COM; i < SRV_MASTER + 1; i++) { - - n_threads += srv_n_threads[i]; - } - - mutex_exit(&kernel_mutex); - - return(n_threads); -} - -/*********************************************************************//** -Reserves a slot in the thread table for the current thread. Also creates the -thread local storage struct for the current thread. NOTE! The server mutex -has to be reserved by the caller! -@return reserved slot index */ -static -ulint -srv_table_reserve_slot( -/*===================*/ - enum srv_thread_type type) /*!< in: type of the thread */ -{ - srv_slot_t* slot; - ulint i; - - ut_a(type > 0); - ut_a(type <= SRV_MASTER); - - i = 0; - slot = srv_table_get_nth_slot(i); - - while (slot->in_use) { - i++; - slot = srv_table_get_nth_slot(i); - } - - ut_a(slot->in_use == FALSE); - - slot->in_use = TRUE; - slot->suspended = FALSE; - slot->type = type; - slot->id = os_thread_get_curr_id(); - slot->handle = os_thread_get_curr(); - - thr_local_create(); - - thr_local_set_slot_no(os_thread_get_curr_id(), i); - - return(i); -} - -/*********************************************************************//** -Suspends the calling thread to wait for the event in its thread slot. -NOTE! The server mutex has to be reserved by the caller! -@return event for the calling thread to wait */ -static -os_event_t -srv_suspend_thread(void) -/*====================*/ -{ - srv_slot_t* slot; - os_event_t event; - ulint slot_no; - enum srv_thread_type type; - - ut_ad(mutex_own(&kernel_mutex)); - - slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); - - if (srv_print_thread_releases) { - fprintf(stderr, - "Suspending thread %lu to slot %lu\n", - (ulong) os_thread_get_curr_id(), (ulong) slot_no); - } - - slot = srv_table_get_nth_slot(slot_no); - - type = slot->type; - - ut_ad(type >= SRV_WORKER); - ut_ad(type <= SRV_MASTER); - - event = slot->event; - - slot->suspended = TRUE; - - ut_ad(srv_n_threads_active[type] > 0); - - srv_n_threads_active[type]--; - - os_event_reset(event); - - return(event); -} - -/*********************************************************************//** -Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be less than n if not -enough threads were suspended at the moment */ -UNIV_INTERN -ulint -srv_release_threads( -/*================*/ - enum srv_thread_type type, /*!< in: thread type */ - ulint n) /*!< in: number of threads to release */ -{ - srv_slot_t* slot; - ulint i; - ulint count = 0; - - ut_ad(type >= SRV_WORKER); - ut_ad(type <= SRV_MASTER); - ut_ad(n > 0); - ut_ad(mutex_own(&kernel_mutex)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_table_get_nth_slot(i); - - if (slot->in_use && slot->type == type && slot->suspended) { - - slot->suspended = FALSE; - - srv_n_threads_active[type]++; - - os_event_set(slot->event); - - if (srv_print_thread_releases) { - fprintf(stderr, - "Releasing thread %lu type %lu" - " from slot %lu\n", - (ulong) slot->id, (ulong) type, - (ulong) i); - } - - count++; - - if (count == n) { - break; - } - } - } - - return(count); -} - -/*********************************************************************//** -Returns the calling thread type. -@return SRV_COM, ... */ -UNIV_INTERN -enum srv_thread_type -srv_get_thread_type(void) -/*=====================*/ -{ - ulint slot_no; - srv_slot_t* slot; - enum srv_thread_type type; - - mutex_enter(&kernel_mutex); - - slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); - - slot = srv_table_get_nth_slot(slot_no); - - type = slot->type; - - ut_ad(type >= SRV_WORKER); - ut_ad(type <= SRV_MASTER); - - mutex_exit(&kernel_mutex); - - return(type); -} - -/*********************************************************************//** -Initializes the server. */ -UNIV_INTERN -void -srv_init(void) -/*==========*/ -{ - srv_conc_slot_t* conc_slot; - srv_slot_t* slot; - ulint i; - - srv_sys = mem_alloc(sizeof(srv_sys_t)); - - kernel_mutex_temp = mem_alloc(sizeof(mutex_t)); - mutex_create(&kernel_mutex, SYNC_KERNEL); - - mutex_create(&srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); - - srv_sys->threads = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - slot = srv_table_get_nth_slot(i); - slot->in_use = FALSE; - slot->type=0; /* Avoid purify errors */ - slot->event = os_event_create(NULL); - ut_a(slot->event); - } - - srv_mysql_table = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - slot = srv_mysql_table + i; - slot->in_use = FALSE; - slot->type = 0; - slot->event = os_event_create(NULL); - ut_a(slot->event); - } - - srv_lock_timeout_thread_event = os_event_create(NULL); - - for (i = 0; i < SRV_MASTER + 1; i++) { - srv_n_threads_active[i] = 0; - srv_n_threads[i] = 0; -#if 0 - srv_meter[i] = 30; - srv_meter_low_water[i] = 50; - srv_meter_high_water[i] = 100; - srv_meter_high_water2[i] = 200; - srv_meter_foreground[i] = 250; -#endif - } - - UT_LIST_INIT(srv_sys->tasks); - - /* Create dummy indexes for infimum and supremum records */ - - dict_ind_init(); - - /* Init the server concurrency restriction data structures */ - - os_fast_mutex_init(&srv_conc_mutex); - - UT_LIST_INIT(srv_conc_queue); - - srv_conc_slots = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_conc_slot_t)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - conc_slot = srv_conc_slots + i; - conc_slot->reserved = FALSE; - conc_slot->event = os_event_create(NULL); - ut_a(conc_slot->event); - } - - /* Initialize some INFORMATION SCHEMA internal structures */ - trx_i_s_cache_init(trx_i_s_cache); -} - -/*********************************************************************//** -Frees the data structures created in srv_init(). */ -UNIV_INTERN -void -srv_free(void) -/*==========*/ -{ - os_fast_mutex_free(&srv_conc_mutex); - mem_free(srv_conc_slots); - srv_conc_slots = NULL; - - mem_free(srv_sys->threads); - mem_free(srv_sys); - srv_sys = NULL; - - mem_free(kernel_mutex_temp); - kernel_mutex_temp = NULL; - mem_free(srv_mysql_table); - srv_mysql_table = NULL; - - trx_i_s_cache_free(trx_i_s_cache); -} - -/*********************************************************************//** -Initializes the synchronization primitives, memory system, and the thread -local storage. */ -UNIV_INTERN -void -srv_general_init(void) -/*==================*/ -{ - ut_mem_init(); - /* Reset the system variables in the recovery module. */ - recv_sys_var_init(); - os_sync_init(); - sync_init(); - mem_init(srv_mem_pool_size); - thr_local_init(); -} - -/*======================= InnoDB Server FIFO queue =======================*/ - -/* Maximum allowable purge history length. <=0 means 'infinite'. */ -UNIV_INTERN ulong srv_max_purge_lag = 0; - -/*********************************************************************//** -Puts an OS thread to wait if there are too many concurrent threads -(>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ -UNIV_INTERN -void -srv_conc_enter_innodb( -/*==================*/ - trx_t* trx) /*!< in: transaction object associated with the - thread */ -{ - ibool has_slept = FALSE; - srv_conc_slot_t* slot = NULL; - ulint i; - - if (trx->mysql_thd != NULL - && thd_is_replication_slave_thread(trx->mysql_thd)) { - - UT_WAIT_FOR(srv_conc_n_threads - < (lint)srv_thread_concurrency, - srv_replication_delay * 1000); - - return; - } - - /* If trx has 'free tickets' to enter the engine left, then use one - such ticket */ - - if (trx->n_tickets_to_enter_innodb > 0) { - trx->n_tickets_to_enter_innodb--; - - return; - } - - os_fast_mutex_lock(&srv_conc_mutex); -retry: - if (trx->declared_to_be_inside_innodb) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: trying to declare trx" - " to enter InnoDB, but\n" - "InnoDB: it already is declared.\n", stderr); - trx_print(stderr, trx, 0); - putc('\n', stderr); - os_fast_mutex_unlock(&srv_conc_mutex); - - return; - } - - ut_ad(srv_conc_n_threads >= 0); - - if (srv_conc_n_threads < (lint)srv_thread_concurrency) { - - srv_conc_n_threads++; - trx->declared_to_be_inside_innodb = TRUE; - trx->n_tickets_to_enter_innodb = SRV_FREE_TICKETS_TO_ENTER; - - os_fast_mutex_unlock(&srv_conc_mutex); - - return; - } - - /* If the transaction is not holding resources, let it sleep - for SRV_THREAD_SLEEP_DELAY microseconds, and try again then */ - - if (!has_slept && !trx->has_search_latch - && NULL == UT_LIST_GET_FIRST(trx->trx_locks)) { - - has_slept = TRUE; /* We let it sleep only once to avoid - starvation */ - - srv_conc_n_waiting_threads++; - - os_fast_mutex_unlock(&srv_conc_mutex); - - trx->op_info = "sleeping before joining InnoDB queue"; - - /* Peter Zaitsev suggested that we take the sleep away - altogether. But the sleep may be good in pathological - situations of lots of thread switches. Simply put some - threads aside for a while to reduce the number of thread - switches. */ - if (SRV_THREAD_SLEEP_DELAY > 0) { - os_thread_sleep(SRV_THREAD_SLEEP_DELAY); - } - - trx->op_info = ""; - - os_fast_mutex_lock(&srv_conc_mutex); - - srv_conc_n_waiting_threads--; - - goto retry; - } - - /* Too many threads inside: put the current thread to a queue */ - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - slot = srv_conc_slots + i; - - if (!slot->reserved) { - - break; - } - } - - if (i == OS_THREAD_MAX_N) { - /* Could not find a free wait slot, we must let the - thread enter */ - - srv_conc_n_threads++; - trx->declared_to_be_inside_innodb = TRUE; - trx->n_tickets_to_enter_innodb = 0; - - os_fast_mutex_unlock(&srv_conc_mutex); - - return; - } - - /* Release possible search system latch this thread has */ - if (trx->has_search_latch) { - trx_search_latch_release_if_reserved(trx); - } - - /* Add to the queue */ - slot->reserved = TRUE; - slot->wait_ended = FALSE; - - UT_LIST_ADD_LAST(srv_conc_queue, srv_conc_queue, slot); - - os_event_reset(slot->event); - - srv_conc_n_waiting_threads++; - - os_fast_mutex_unlock(&srv_conc_mutex); - - /* Go to wait for the event; when a thread leaves InnoDB it will - release this thread */ - - trx->op_info = "waiting in InnoDB queue"; - - os_event_wait(slot->event); - - trx->op_info = ""; - - os_fast_mutex_lock(&srv_conc_mutex); - - srv_conc_n_waiting_threads--; - - /* NOTE that the thread which released this thread already - incremented the thread counter on behalf of this thread */ - - slot->reserved = FALSE; - - UT_LIST_REMOVE(srv_conc_queue, srv_conc_queue, slot); - - trx->declared_to_be_inside_innodb = TRUE; - trx->n_tickets_to_enter_innodb = SRV_FREE_TICKETS_TO_ENTER; - - os_fast_mutex_unlock(&srv_conc_mutex); -} - -/*********************************************************************//** -This lets a thread enter InnoDB regardless of the number of threads inside -InnoDB. This must be called when a thread ends a lock wait. */ -UNIV_INTERN -void -srv_conc_force_enter_innodb( -/*========================*/ - trx_t* trx) /*!< in: transaction object associated with the - thread */ -{ - if (UNIV_LIKELY(!srv_thread_concurrency)) { - - return; - } - - ut_ad(srv_conc_n_threads >= 0); - - os_fast_mutex_lock(&srv_conc_mutex); - - srv_conc_n_threads++; - trx->declared_to_be_inside_innodb = TRUE; - trx->n_tickets_to_enter_innodb = 1; - - os_fast_mutex_unlock(&srv_conc_mutex); -} - -/*********************************************************************//** -This must be called when a thread exits InnoDB in a lock wait or at the -end of an SQL statement. */ -UNIV_INTERN -void -srv_conc_force_exit_innodb( -/*=======================*/ - trx_t* trx) /*!< in: transaction object associated with the - thread */ -{ - srv_conc_slot_t* slot = NULL; - - if (trx->mysql_thd != NULL - && thd_is_replication_slave_thread(trx->mysql_thd)) { - - return; - } - - if (trx->declared_to_be_inside_innodb == FALSE) { - - return; - } - - os_fast_mutex_lock(&srv_conc_mutex); - - ut_ad(srv_conc_n_threads > 0); - srv_conc_n_threads--; - trx->declared_to_be_inside_innodb = FALSE; - trx->n_tickets_to_enter_innodb = 0; - - if (srv_conc_n_threads < (lint)srv_thread_concurrency) { - /* Look for a slot where a thread is waiting and no other - thread has yet released the thread */ - - slot = UT_LIST_GET_FIRST(srv_conc_queue); - - while (slot && slot->wait_ended == TRUE) { - slot = UT_LIST_GET_NEXT(srv_conc_queue, slot); - } - - if (slot != NULL) { - slot->wait_ended = TRUE; - - /* We increment the count on behalf of the released - thread */ - - srv_conc_n_threads++; - } - } - - os_fast_mutex_unlock(&srv_conc_mutex); - - if (slot != NULL) { - os_event_set(slot->event); - } -} - -/*********************************************************************//** -This must be called when a thread exits InnoDB. */ -UNIV_INTERN -void -srv_conc_exit_innodb( -/*=================*/ - trx_t* trx) /*!< in: transaction object associated with the - thread */ -{ - if (trx->n_tickets_to_enter_innodb > 0) { - /* We will pretend the thread is still inside InnoDB though it - now leaves the InnoDB engine. In this way we save - a lot of semaphore operations. srv_conc_force_exit_innodb is - used to declare the thread definitely outside InnoDB. It - should be called when there is a lock wait or an SQL statement - ends. */ - - return; - } - - srv_conc_force_exit_innodb(trx); -} - -/*========================================================================*/ - -/*********************************************************************//** -Normalizes init parameter values to use units we use inside InnoDB. -@return DB_SUCCESS or error code */ -static -ulint -srv_normalize_init_values(void) -/*===========================*/ -{ - ulint n; - ulint i; - - n = srv_n_data_files; - - for (i = 0; i < n; i++) { - srv_data_file_sizes[i] = srv_data_file_sizes[i] - * ((1024 * 1024) / UNIV_PAGE_SIZE); - } - - srv_last_file_size_max = srv_last_file_size_max - * ((1024 * 1024) / UNIV_PAGE_SIZE); - - srv_log_file_size = srv_log_file_size / UNIV_PAGE_SIZE; - - srv_log_buffer_size = srv_log_buffer_size / UNIV_PAGE_SIZE; - - srv_lock_table_size = 5 * (srv_buf_pool_size / UNIV_PAGE_SIZE); - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Boots the InnoDB server. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -srv_boot(void) -/*==========*/ -{ - ulint err; - - /* Transform the init parameter values given by MySQL to - use units we use inside InnoDB: */ - - err = srv_normalize_init_values(); - - if (err != DB_SUCCESS) { - return(err); - } - - /* Initialize synchronization primitives, memory management, and thread - local storage */ - - srv_general_init(); - - /* Initialize this module */ - - srv_init(); - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Reserves a slot in the thread table for the current MySQL OS thread. -NOTE! The kernel mutex has to be reserved by the caller! -@return reserved slot */ -static -srv_slot_t* -srv_table_reserve_slot_for_mysql(void) -/*==================================*/ -{ - srv_slot_t* slot; - ulint i; - - ut_ad(mutex_own(&kernel_mutex)); - - i = 0; - slot = srv_mysql_table + i; - - while (slot->in_use) { - i++; - - if (i >= OS_THREAD_MAX_N) { - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: There appear to be %lu MySQL" - " threads currently waiting\n" - "InnoDB: inside InnoDB, which is the" - " upper limit. Cannot continue operation.\n" - "InnoDB: We intentionally generate" - " a seg fault to print a stack trace\n" - "InnoDB: on Linux. But first we print" - " a list of waiting threads.\n", (ulong) i); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_mysql_table + i; - - fprintf(stderr, - "Slot %lu: thread id %lu, type %lu," - " in use %lu, susp %lu, time %lu\n", - (ulong) i, - (ulong) os_thread_pf(slot->id), - (ulong) slot->type, - (ulong) slot->in_use, - (ulong) slot->suspended, - (ulong) difftime(ut_time(), - slot->suspend_time)); - } - - ut_error; - } - - slot = srv_mysql_table + i; - } - - ut_a(slot->in_use == FALSE); - - slot->in_use = TRUE; - slot->id = os_thread_get_curr_id(); - slot->handle = os_thread_get_curr(); - - return(slot); -} - -/***************************************************************//** -Puts a MySQL OS thread to wait for a lock to be released. If an error -occurs during the wait trx->error_state associated with thr is -!= DB_SUCCESS when we return. DB_LOCK_WAIT_TIMEOUT and DB_DEADLOCK -are possible errors. DB_DEADLOCK is returned if selective deadlock -resolution chose this transaction as a victim. */ -UNIV_INTERN -void -srv_suspend_mysql_thread( -/*=====================*/ - que_thr_t* thr) /*!< in: query thread associated with the MySQL - OS thread */ -{ - srv_slot_t* slot; - os_event_t event; - double wait_time; - trx_t* trx; - ulint had_dict_lock; - ibool was_declared_inside_innodb = FALSE; - ib_int64_t start_time = 0; - ib_int64_t finish_time; - ulint diff_time; - ulint sec; - ulint ms; - ulong lock_wait_timeout; - - ut_ad(!mutex_own(&kernel_mutex)); - - trx = thr_get_trx(thr); - - os_event_set(srv_lock_timeout_thread_event); - - mutex_enter(&kernel_mutex); - - trx->error_state = DB_SUCCESS; - - if (thr->state == QUE_THR_RUNNING) { - - ut_ad(thr->is_active == TRUE); - - /* The lock has already been released or this transaction - was chosen as a deadlock victim: no need to suspend */ - - if (trx->was_chosen_as_deadlock_victim) { - - trx->error_state = DB_DEADLOCK; - trx->was_chosen_as_deadlock_victim = FALSE; - } - - mutex_exit(&kernel_mutex); - - return; - } - - ut_ad(thr->is_active == FALSE); - - slot = srv_table_reserve_slot_for_mysql(); - - event = slot->event; - - slot->thr = thr; - - os_event_reset(event); - - slot->suspend_time = ut_time(); - - if (thr->lock_state == QUE_THR_LOCK_ROW) { - srv_n_lock_wait_count++; - srv_n_lock_wait_current_count++; - - if (ut_usectime(&sec, &ms) == -1) { - start_time = -1; - } else { - start_time = (ib_int64_t) sec * 1000000 + ms; - } - } - /* Wake the lock timeout monitor thread, if it is suspended */ - - os_event_set(srv_lock_timeout_thread_event); - - mutex_exit(&kernel_mutex); - - if (trx->declared_to_be_inside_innodb) { - - was_declared_inside_innodb = TRUE; - - /* We must declare this OS thread to exit InnoDB, since a - possible other thread holding a lock which this thread waits - for must be allowed to enter, sooner or later */ - - srv_conc_force_exit_innodb(trx); - } - - had_dict_lock = trx->dict_operation_lock_mode; - - switch (had_dict_lock) { - case RW_S_LATCH: - /* Release foreign key check latch */ - row_mysql_unfreeze_data_dictionary(trx); - break; - case RW_X_LATCH: - /* Release fast index creation latch */ - row_mysql_unlock_data_dictionary(trx); - break; - } - - ut_a(trx->dict_operation_lock_mode == 0); - - /* Suspend this thread and wait for the event. */ - - os_event_wait(event); - - /* After resuming, reacquire the data dictionary latch if - necessary. */ - - switch (had_dict_lock) { - case RW_S_LATCH: - row_mysql_freeze_data_dictionary(trx); - break; - case RW_X_LATCH: - row_mysql_lock_data_dictionary(trx); - break; - } - - if (was_declared_inside_innodb) { - - /* Return back inside InnoDB */ - - srv_conc_force_enter_innodb(trx); - } - - mutex_enter(&kernel_mutex); - - /* Release the slot for others to use */ - - slot->in_use = FALSE; - - wait_time = ut_difftime(ut_time(), slot->suspend_time); - - if (thr->lock_state == QUE_THR_LOCK_ROW) { - if (ut_usectime(&sec, &ms) == -1) { - finish_time = -1; - } else { - finish_time = (ib_int64_t) sec * 1000000 + ms; - } - - diff_time = (ulint) (finish_time - start_time); - - srv_n_lock_wait_current_count--; - srv_n_lock_wait_time = srv_n_lock_wait_time + diff_time; - if (diff_time > srv_n_lock_max_wait_time && - /* only update the variable if we successfully - retrieved the start and finish times. See Bug#36819. */ - start_time != -1 && finish_time != -1) { - srv_n_lock_max_wait_time = diff_time; - } - } - - if (trx->was_chosen_as_deadlock_victim) { - - trx->error_state = DB_DEADLOCK; - trx->was_chosen_as_deadlock_victim = FALSE; - } - - mutex_exit(&kernel_mutex); - - /* InnoDB system transactions (such as the purge, and - incomplete transactions that are being rolled back after crash - recovery) will use the global value of - innodb_lock_wait_timeout, because trx->mysql_thd == NULL. */ - lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); - - if (lock_wait_timeout < 100000000 - && wait_time > (double) lock_wait_timeout) { - - trx->error_state = DB_LOCK_WAIT_TIMEOUT; - } -} - -/********************************************************************//** -Releases a MySQL OS thread waiting for a lock to be released, if the -thread is already suspended. */ -UNIV_INTERN -void -srv_release_mysql_thread_if_suspended( -/*==================================*/ - que_thr_t* thr) /*!< in: query thread associated with the - MySQL OS thread */ -{ - srv_slot_t* slot; - ulint i; - - ut_ad(mutex_own(&kernel_mutex)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_mysql_table + i; - - if (slot->in_use && slot->thr == thr) { - /* Found */ - - os_event_set(slot->event); - - return; - } - } - - /* not found */ -} - -/******************************************************************//** -Refreshes the values used to calculate per-second averages. */ -static -void -srv_refresh_innodb_monitor_stats(void) -/*==================================*/ -{ - mutex_enter(&srv_innodb_monitor_mutex); - - srv_last_monitor_time = time(NULL); - - os_aio_refresh_stats(); - - btr_cur_n_sea_old = btr_cur_n_sea; - btr_cur_n_non_sea_old = btr_cur_n_non_sea; - - log_refresh_stats(); - - buf_refresh_io_stats(); - - srv_n_rows_inserted_old = srv_n_rows_inserted; - srv_n_rows_updated_old = srv_n_rows_updated; - srv_n_rows_deleted_old = srv_n_rows_deleted; - srv_n_rows_read_old = srv_n_rows_read; - - mutex_exit(&srv_innodb_monitor_mutex); -} - -/******************************************************************//** -Outputs to a file the output of the InnoDB Monitor. -@return FALSE if not all information printed -due to failure to obtain necessary mutex */ -UNIV_INTERN -ibool -srv_printf_innodb_monitor( -/*======================*/ - FILE* file, /*!< in: output stream */ - ibool nowait, /*!< in: whether to wait for kernel mutex */ - ulint* trx_start, /*!< out: file position of the start of - the list of active transactions */ - ulint* trx_end) /*!< out: file position of the end of - the list of active transactions */ -{ - double time_elapsed; - time_t current_time; - ulint n_reserved; - ibool ret; - - mutex_enter(&srv_innodb_monitor_mutex); - - current_time = time(NULL); - - /* We add 0.001 seconds to time_elapsed to prevent division - by zero if two users happen to call SHOW INNODB STATUS at the same - time */ - - time_elapsed = difftime(current_time, srv_last_monitor_time) - + 0.001; - - srv_last_monitor_time = time(NULL); - - fputs("\n=====================================\n", file); - - ut_print_timestamp(file); - fprintf(file, - " INNODB MONITOR OUTPUT\n" - "=====================================\n" - "Per second averages calculated from the last %lu seconds\n", - (ulong)time_elapsed); - - fputs("-----------------\n" - "BACKGROUND THREAD\n" - "-----------------\n", file); - srv_print_master_thread_info(file); - - fputs("----------\n" - "SEMAPHORES\n" - "----------\n", file); - sync_print(file); - - /* Conceptually, srv_innodb_monitor_mutex has a very high latching - order level in sync0sync.h, while dict_foreign_err_mutex has a very - low level 135. Therefore we can reserve the latter mutex here without - a danger of a deadlock of threads. */ - - mutex_enter(&dict_foreign_err_mutex); - - if (ftell(dict_foreign_err_file) != 0L) { - fputs("------------------------\n" - "LATEST FOREIGN KEY ERROR\n" - "------------------------\n", file); - ut_copy_file(file, dict_foreign_err_file); - } - - mutex_exit(&dict_foreign_err_mutex); - - /* Only if lock_print_info_summary proceeds correctly, - before we call the lock_print_info_all_transactions - to print all the lock information. */ - ret = lock_print_info_summary(file, nowait); - - if (ret) { - if (trx_start) { - long t = ftell(file); - if (t < 0) { - *trx_start = ULINT_UNDEFINED; - } else { - *trx_start = (ulint) t; - } - } - lock_print_info_all_transactions(file); - if (trx_end) { - long t = ftell(file); - if (t < 0) { - *trx_end = ULINT_UNDEFINED; - } else { - *trx_end = (ulint) t; - } - } - } - - fputs("--------\n" - "FILE I/O\n" - "--------\n", file); - os_aio_print(file); - - fputs("-------------------------------------\n" - "INSERT BUFFER AND ADAPTIVE HASH INDEX\n" - "-------------------------------------\n", file); - ibuf_print(file); - - ha_print_info(file, btr_search_sys->hash_index); - - fprintf(file, - "%.2f hash searches/s, %.2f non-hash searches/s\n", - (btr_cur_n_sea - btr_cur_n_sea_old) - / time_elapsed, - (btr_cur_n_non_sea - btr_cur_n_non_sea_old) - / time_elapsed); - btr_cur_n_sea_old = btr_cur_n_sea; - btr_cur_n_non_sea_old = btr_cur_n_non_sea; - - fputs("---\n" - "LOG\n" - "---\n", file); - log_print(file); - - fputs("----------------------\n" - "BUFFER POOL AND MEMORY\n" - "----------------------\n", file); - fprintf(file, - "Total memory allocated " ULINTPF - "; in additional pool allocated " ULINTPF "\n", - ut_total_allocated_memory, - mem_pool_get_reserved(mem_comm_pool)); - fprintf(file, "Dictionary memory allocated " ULINTPF "\n", - dict_sys->size); - - buf_print_io(file); - - fputs("--------------\n" - "ROW OPERATIONS\n" - "--------------\n", file); - fprintf(file, "%ld queries inside InnoDB, %lu queries in queue\n", - (long) srv_conc_n_threads, - (ulong) srv_conc_n_waiting_threads); - - fprintf(file, "%lu read views open inside InnoDB\n", - UT_LIST_GET_LEN(trx_sys->view_list)); - - n_reserved = fil_space_get_n_reserved_extents(0); - if (n_reserved > 0) { - fprintf(file, - "%lu tablespace extents now reserved for" - " B-tree split operations\n", - (ulong) n_reserved); - } - -#ifdef UNIV_LINUX - fprintf(file, "Main thread process no. %lu, id %lu, state: %s\n", - (ulong) srv_main_thread_process_no, - (ulong) srv_main_thread_id, - srv_main_thread_op_info); -#else - fprintf(file, "Main thread id %lu, state: %s\n", - (ulong) srv_main_thread_id, - srv_main_thread_op_info); -#endif - fprintf(file, - "Number of rows inserted " ULINTPF - ", updated " ULINTPF ", deleted " ULINTPF - ", read " ULINTPF "\n", - srv_n_rows_inserted, - srv_n_rows_updated, - srv_n_rows_deleted, - srv_n_rows_read); - fprintf(file, - "%.2f inserts/s, %.2f updates/s," - " %.2f deletes/s, %.2f reads/s\n", - (srv_n_rows_inserted - srv_n_rows_inserted_old) - / time_elapsed, - (srv_n_rows_updated - srv_n_rows_updated_old) - / time_elapsed, - (srv_n_rows_deleted - srv_n_rows_deleted_old) - / time_elapsed, - (srv_n_rows_read - srv_n_rows_read_old) - / time_elapsed); - - srv_n_rows_inserted_old = srv_n_rows_inserted; - srv_n_rows_updated_old = srv_n_rows_updated; - srv_n_rows_deleted_old = srv_n_rows_deleted; - srv_n_rows_read_old = srv_n_rows_read; - - fputs("----------------------------\n" - "END OF INNODB MONITOR OUTPUT\n" - "============================\n", file); - mutex_exit(&srv_innodb_monitor_mutex); - fflush(file); - - return(ret); -} - -/******************************************************************//** -Function to pass InnoDB status variables to MySQL */ -UNIV_INTERN -void -srv_export_innodb_status(void) -/*==========================*/ -{ - mutex_enter(&srv_innodb_monitor_mutex); - - export_vars.innodb_data_pending_reads - = os_n_pending_reads; - export_vars.innodb_data_pending_writes - = os_n_pending_writes; - export_vars.innodb_data_pending_fsyncs - = fil_n_pending_log_flushes - + fil_n_pending_tablespace_flushes; - export_vars.innodb_data_fsyncs = os_n_fsyncs; - export_vars.innodb_data_read = srv_data_read; - export_vars.innodb_data_reads = os_n_file_reads; - export_vars.innodb_data_writes = os_n_file_writes; - export_vars.innodb_data_written = srv_data_written; - export_vars.innodb_buffer_pool_read_requests = buf_pool->stat.n_page_gets; - export_vars.innodb_buffer_pool_write_requests - = srv_buf_pool_write_requests; - export_vars.innodb_buffer_pool_wait_free = srv_buf_pool_wait_free; - export_vars.innodb_buffer_pool_pages_flushed = srv_buf_pool_flushed; - export_vars.innodb_buffer_pool_reads = srv_buf_pool_reads; - export_vars.innodb_buffer_pool_read_ahead - = buf_pool->stat.n_ra_pages_read; - export_vars.innodb_buffer_pool_read_ahead_evicted - = buf_pool->stat.n_ra_pages_evicted; - export_vars.innodb_buffer_pool_pages_data - = UT_LIST_GET_LEN(buf_pool->LRU); - export_vars.innodb_buffer_pool_pages_dirty - = UT_LIST_GET_LEN(buf_pool->flush_list); - export_vars.innodb_buffer_pool_pages_free - = UT_LIST_GET_LEN(buf_pool->free); -#ifdef UNIV_DEBUG - export_vars.innodb_buffer_pool_pages_latched - = buf_get_latched_pages_number(); -#endif /* UNIV_DEBUG */ - export_vars.innodb_buffer_pool_pages_total = buf_pool->curr_size; - - export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size - - UT_LIST_GET_LEN(buf_pool->LRU) - - UT_LIST_GET_LEN(buf_pool->free); -#ifdef HAVE_ATOMIC_BUILTINS - export_vars.innodb_have_atomic_builtins = 1; -#else - export_vars.innodb_have_atomic_builtins = 0; -#endif - export_vars.innodb_page_size = UNIV_PAGE_SIZE; - export_vars.innodb_log_waits = srv_log_waits; - export_vars.innodb_os_log_written = srv_os_log_written; - export_vars.innodb_os_log_fsyncs = fil_n_log_flushes; - export_vars.innodb_os_log_pending_fsyncs = fil_n_pending_log_flushes; - export_vars.innodb_os_log_pending_writes = srv_os_log_pending_writes; - export_vars.innodb_log_write_requests = srv_log_write_requests; - export_vars.innodb_log_writes = srv_log_writes; - export_vars.innodb_dblwr_pages_written = srv_dblwr_pages_written; - export_vars.innodb_dblwr_writes = srv_dblwr_writes; - export_vars.innodb_pages_created = buf_pool->stat.n_pages_created; - export_vars.innodb_pages_read = buf_pool->stat.n_pages_read; - export_vars.innodb_pages_written = buf_pool->stat.n_pages_written; - export_vars.innodb_row_lock_waits = srv_n_lock_wait_count; - export_vars.innodb_row_lock_current_waits - = srv_n_lock_wait_current_count; - export_vars.innodb_row_lock_time = srv_n_lock_wait_time / 1000; - if (srv_n_lock_wait_count > 0) { - export_vars.innodb_row_lock_time_avg = (ulint) - (srv_n_lock_wait_time / 1000 / srv_n_lock_wait_count); - } else { - export_vars.innodb_row_lock_time_avg = 0; - } - export_vars.innodb_row_lock_time_max - = srv_n_lock_max_wait_time / 1000; - export_vars.innodb_rows_read = srv_n_rows_read; - export_vars.innodb_rows_inserted = srv_n_rows_inserted; - export_vars.innodb_rows_updated = srv_n_rows_updated; - export_vars.innodb_rows_deleted = srv_n_rows_deleted; - - mutex_exit(&srv_innodb_monitor_mutex); -} - -/*********************************************************************//** -A thread which prints the info output by various InnoDB monitors. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_monitor_thread( -/*===============*/ - void* arg __attribute__((unused))) - /*!< in: a dummy parameter required by - os_thread_create */ -{ - double time_elapsed; - time_t current_time; - time_t last_table_monitor_time; - time_t last_tablespace_monitor_time; - time_t last_monitor_time; - ulint mutex_skipped; - ibool last_srv_print_monitor; - -#ifdef UNIV_DEBUG_THREAD_CREATION - fprintf(stderr, "Lock timeout thread starts, id %lu\n", - os_thread_pf(os_thread_get_curr_id())); -#endif - UT_NOT_USED(arg); - srv_last_monitor_time = time(NULL); - last_table_monitor_time = time(NULL); - last_tablespace_monitor_time = time(NULL); - last_monitor_time = time(NULL); - mutex_skipped = 0; - last_srv_print_monitor = srv_print_innodb_monitor; -loop: - srv_monitor_active = TRUE; - - /* Wake up every 5 seconds to see if we need to print - monitor information. */ - - os_thread_sleep(5000000); - - current_time = time(NULL); - - time_elapsed = difftime(current_time, last_monitor_time); - - if (time_elapsed > 15) { - last_monitor_time = time(NULL); - - if (srv_print_innodb_monitor) { - /* Reset mutex_skipped counter everytime - srv_print_innodb_monitor changes. This is to - ensure we will not be blocked by kernel_mutex - for short duration information printing, - such as requested by sync_array_print_long_waits() */ - if (!last_srv_print_monitor) { - mutex_skipped = 0; - last_srv_print_monitor = TRUE; - } - - if (!srv_printf_innodb_monitor(stderr, - MUTEX_NOWAIT(mutex_skipped), - NULL, NULL)) { - mutex_skipped++; - } else { - /* Reset the counter */ - mutex_skipped = 0; - } - } else { - last_srv_print_monitor = FALSE; - } - - - if (srv_innodb_status) { - mutex_enter(&srv_monitor_file_mutex); - rewind(srv_monitor_file); - if (!srv_printf_innodb_monitor(srv_monitor_file, - MUTEX_NOWAIT(mutex_skipped), - NULL, NULL)) { - mutex_skipped++; - } else { - mutex_skipped = 0; - } - - os_file_set_eof(srv_monitor_file); - mutex_exit(&srv_monitor_file_mutex); - } - - if (srv_print_innodb_tablespace_monitor - && difftime(current_time, - last_tablespace_monitor_time) > 60) { - last_tablespace_monitor_time = time(NULL); - - fputs("========================" - "========================\n", - stderr); - - ut_print_timestamp(stderr); - - fputs(" INNODB TABLESPACE MONITOR OUTPUT\n" - "========================" - "========================\n", - stderr); - - fsp_print(0); - fputs("Validating tablespace\n", stderr); - fsp_validate(0); - fputs("Validation ok\n" - "---------------------------------------\n" - "END OF INNODB TABLESPACE MONITOR OUTPUT\n" - "=======================================\n", - stderr); - } - - if (srv_print_innodb_table_monitor - && difftime(current_time, last_table_monitor_time) > 60) { - - last_table_monitor_time = time(NULL); - - fputs("===========================================\n", - stderr); - - ut_print_timestamp(stderr); - - fputs(" INNODB TABLE MONITOR OUTPUT\n" - "===========================================\n", - stderr); - dict_print(); - - fputs("-----------------------------------\n" - "END OF INNODB TABLE MONITOR OUTPUT\n" - "==================================\n", - stderr); - } - } - - if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { - goto exit_func; - } - - if (srv_print_innodb_monitor - || srv_print_innodb_lock_monitor - || srv_print_innodb_tablespace_monitor - || srv_print_innodb_table_monitor) { - goto loop; - } - - srv_monitor_active = FALSE; - - goto loop; - -exit_func: - srv_monitor_active = FALSE; - - /* We count the number of threads in os_thread_exit(). A created - thread should always use that to exit and not use return() to exit. */ - - os_thread_exit(NULL); - - OS_THREAD_DUMMY_RETURN; -} - -/*********************************************************************//** -A thread which wakes up threads whose lock wait may have lasted too long. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_lock_timeout_thread( -/*====================*/ - void* arg __attribute__((unused))) - /* in: a dummy parameter required by - os_thread_create */ -{ - srv_slot_t* slot; - ibool some_waits; - double wait_time; - ulint i; - -loop: - /* When someone is waiting for a lock, we wake up every second - and check if a timeout has passed for a lock wait */ - - os_thread_sleep(1000000); - - srv_lock_timeout_active = TRUE; - - mutex_enter(&kernel_mutex); - - some_waits = FALSE; - - /* Check of all slots if a thread is waiting there, and if it - has exceeded the time limit */ - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_mysql_table + i; - - if (slot->in_use) { - trx_t* trx; - ulong lock_wait_timeout; - - some_waits = TRUE; - - wait_time = ut_difftime(ut_time(), slot->suspend_time); - - trx = thr_get_trx(slot->thr); - lock_wait_timeout = thd_lock_wait_timeout( - trx->mysql_thd); - - if (lock_wait_timeout < 100000000 - && (wait_time > (double) lock_wait_timeout - || wait_time < 0)) { - - /* Timeout exceeded or a wrap-around in system - time counter: cancel the lock request queued - by the transaction and release possible - other transactions waiting behind; it is - possible that the lock has already been - granted: in that case do nothing */ - - if (trx->wait_lock) { - lock_cancel_waiting_and_release( - trx->wait_lock); - } - } - } - } - - os_event_reset(srv_lock_timeout_thread_event); - - mutex_exit(&kernel_mutex); - - if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { - goto exit_func; - } - - if (some_waits) { - goto loop; - } - - srv_lock_timeout_active = FALSE; - -#if 0 - /* The following synchronisation is disabled, since - the InnoDB monitor output is to be updated every 15 seconds. */ - os_event_wait(srv_lock_timeout_thread_event); -#endif - goto loop; - -exit_func: - srv_lock_timeout_active = FALSE; - - /* We count the number of threads in os_thread_exit(). A created - thread should always use that to exit and not use return() to exit. */ - - os_thread_exit(NULL); - - OS_THREAD_DUMMY_RETURN; -} - -/*********************************************************************//** -A thread which prints warnings about semaphore waits which have lasted -too long. These can be used to track bugs which cause hangs. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_error_monitor_thread( -/*=====================*/ - void* arg __attribute__((unused))) - /*!< in: a dummy parameter required by - os_thread_create */ -{ - /* number of successive fatal timeouts observed */ - ulint fatal_cnt = 0; - ib_uint64_t old_lsn; - ib_uint64_t new_lsn; - - old_lsn = srv_start_lsn; - -#ifdef UNIV_DEBUG_THREAD_CREATION - fprintf(stderr, "Error monitor thread starts, id %lu\n", - os_thread_pf(os_thread_get_curr_id())); -#endif -loop: - srv_error_monitor_active = TRUE; - - /* Try to track a strange bug reported by Harald Fuchs and others, - where the lsn seems to decrease at times */ - - new_lsn = log_get_lsn(); - - if (new_lsn < old_lsn) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: old log sequence number %llu" - " was greater\n" - "InnoDB: than the new log sequence number %llu!\n" - "InnoDB: Please submit a bug report" - " to http://bugs.mysql.com\n", - old_lsn, new_lsn); - } - - old_lsn = new_lsn; - - if (difftime(time(NULL), srv_last_monitor_time) > 60) { - /* We referesh InnoDB Monitor values so that averages are - printed from at most 60 last seconds */ - - srv_refresh_innodb_monitor_stats(); - } - - /* Update the statistics collected for deciding LRU - eviction policy. */ - buf_LRU_stat_update(); - - /* Update the statistics collected for flush rate policy. */ - buf_flush_stat_update(); - - /* In case mutex_exit is not a memory barrier, it is - theoretically possible some threads are left waiting though - the semaphore is already released. Wake up those threads: */ - - sync_arr_wake_threads_if_sema_free(); - - if (sync_array_print_long_waits()) { - fatal_cnt++; - if (fatal_cnt > 10) { - - fprintf(stderr, - "InnoDB: Error: semaphore wait has lasted" - " > %lu seconds\n" - "InnoDB: We intentionally crash the server," - " because it appears to be hung.\n", - (ulong) srv_fatal_semaphore_wait_threshold); - - ut_error; - } - } else { - fatal_cnt = 0; - } - - /* Flush stderr so that a database user gets the output - to possible MySQL error file */ - - fflush(stderr); - - os_thread_sleep(1000000); - - if (srv_shutdown_state < SRV_SHUTDOWN_CLEANUP) { - - goto loop; - } - - srv_error_monitor_active = FALSE; - - /* We count the number of threads in os_thread_exit(). A created - thread should always use that to exit and not use return() to exit. */ - - os_thread_exit(NULL); - - OS_THREAD_DUMMY_RETURN; -} - -/*******************************************************************//** -Tells the InnoDB server that there has been activity in the database -and wakes up the master thread if it is suspended (not sleeping). Used -in the MySQL interface. Note that there is a small chance that the master -thread stays suspended (we do not protect our operation with the kernel -mutex, for performace reasons). */ -UNIV_INTERN -void -srv_active_wake_master_thread(void) -/*===============================*/ -{ - srv_activity_count++; - - if (srv_n_threads_active[SRV_MASTER] == 0) { - - mutex_enter(&kernel_mutex); - - srv_release_threads(SRV_MASTER, 1); - - mutex_exit(&kernel_mutex); - } -} - -/*******************************************************************//** -Wakes up the master thread if it is suspended or being suspended. */ -UNIV_INTERN -void -srv_wake_master_thread(void) -/*========================*/ -{ - srv_activity_count++; - - mutex_enter(&kernel_mutex); - - srv_release_threads(SRV_MASTER, 1); - - mutex_exit(&kernel_mutex); -} - -/********************************************************************** -The master thread is tasked to ensure that flush of log file happens -once every second in the background. This is to ensure that not more -than one second of trxs are lost in case of crash when -innodb_flush_logs_at_trx_commit != 1 */ -static -void -srv_sync_log_buffer_in_background(void) -/*===================================*/ -{ - time_t current_time = time(NULL); - - srv_main_thread_op_info = "flushing log"; - if (difftime(current_time, srv_last_log_flush_time) >= 1) { - log_buffer_sync_in_background(TRUE); - srv_last_log_flush_time = current_time; - srv_log_writes_and_flush++; - } -} - -/*********************************************************************//** -The master thread controlling the server. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -srv_master_thread( -/*==============*/ - void* arg __attribute__((unused))) - /*!< in: a dummy parameter required by - os_thread_create */ -{ - os_event_t event; - ulint old_activity_count; - ulint n_pages_purged = 0; - ulint n_bytes_merged; - ulint n_pages_flushed; - ulint n_bytes_archived; - ulint n_tables_to_drop; - ulint n_ios; - ulint n_ios_old; - ulint n_ios_very_old; - ulint n_pend_ios; - ibool skip_sleep = FALSE; - ulint i; - -#ifdef UNIV_DEBUG_THREAD_CREATION - fprintf(stderr, "Master thread starts, id %lu\n", - os_thread_pf(os_thread_get_curr_id())); -#endif - srv_main_thread_process_no = os_proc_get_number(); - srv_main_thread_id = os_thread_pf(os_thread_get_curr_id()); - - srv_table_reserve_slot(SRV_MASTER); - - mutex_enter(&kernel_mutex); - - srv_n_threads_active[SRV_MASTER]++; - - mutex_exit(&kernel_mutex); - -loop: - /*****************************************************************/ - /* ---- When there is database activity by users, we cycle in this - loop */ - - srv_main_thread_op_info = "reserving kernel mutex"; - - n_ios_very_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; - mutex_enter(&kernel_mutex); - - /* Store the user activity counter at the start of this loop */ - old_activity_count = srv_activity_count; - - mutex_exit(&kernel_mutex); - - if (srv_force_recovery >= SRV_FORCE_NO_BACKGROUND) { - - goto suspend_thread; - } - - /* ---- We run the following loop approximately once per second - when there is database activity */ - - srv_last_log_flush_time = time(NULL); - skip_sleep = FALSE; - - for (i = 0; i < 10; i++) { - n_ios_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; - srv_main_thread_op_info = "sleeping"; - srv_main_1_second_loops++; - - if (!skip_sleep) { - - os_thread_sleep(1000000); - srv_main_sleeps++; - } - - skip_sleep = FALSE; - - /* ALTER TABLE in MySQL requires on Unix that the table handler - can drop tables lazily after there no longer are SELECT - queries to them. */ - - srv_main_thread_op_info = "doing background drop tables"; - - row_drop_tables_for_mysql_in_background(); - - srv_main_thread_op_info = ""; - - if (srv_fast_shutdown && srv_shutdown_state > 0) { - - goto background_loop; - } - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - srv_main_thread_op_info = "making checkpoint"; - log_free_check(); - - /* If i/os during one second sleep were less than 5% of - capacity, we assume that there is free disk i/o capacity - available, and it makes sense to do an insert buffer merge. */ - - n_pend_ios = buf_get_n_pending_ios() - + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; - if (n_pend_ios < SRV_PEND_IO_THRESHOLD - && (n_ios - n_ios_old < SRV_RECENT_IO_ACTIVITY)) { - srv_main_thread_op_info = "doing insert buffer merge"; - ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - } - - if (UNIV_UNLIKELY(buf_get_modified_ratio_pct() - > srv_max_buf_pool_modified_pct)) { - - /* Try to keep the number of modified pages in the - buffer pool under the limit wished by the user */ - - srv_main_thread_op_info = - "flushing buffer pool pages"; - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); - - /* If we had to do the flush, it may have taken - even more than 1 second, and also, there may be more - to flush. Do not sleep 1 second during the next - iteration of this loop. */ - - skip_sleep = TRUE; - } else if (srv_adaptive_flushing) { - - /* Try to keep the rate of flushing of dirty - pages such that redo log generation does not - produce bursts of IO at checkpoint time. */ - ulint n_flush = buf_flush_get_desired_flush_rate(); - - if (n_flush) { - srv_main_thread_op_info = - "flushing buffer pool pages"; - n_flush = ut_min(PCT_IO(100), n_flush); - n_pages_flushed = - buf_flush_batch( - BUF_FLUSH_LIST, - n_flush, - IB_ULONGLONG_MAX); - - if (n_flush == PCT_IO(100)) { - skip_sleep = TRUE; - } - } - } - - if (srv_activity_count == old_activity_count) { - - /* There is no user activity at the moment, go to - the background loop */ - - goto background_loop; - } - } - - /* ---- We perform the following code approximately once per - 10 seconds when there is database activity */ - -#ifdef MEM_PERIODIC_CHECK - /* Check magic numbers of every allocated mem block once in 10 - seconds */ - mem_validate_all_blocks(); -#endif - /* If i/os during the 10 second period were less than 200% of - capacity, we assume that there is free disk i/o capacity - available, and it makes sense to flush srv_io_capacity pages. - - Note that this is done regardless of the fraction of dirty - pages relative to the max requested by the user. The one second - loop above requests writes for that case. The writes done here - are not required, and may be disabled. */ - - n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; - - srv_main_10_second_loops++; - if (n_pend_ios < SRV_PEND_IO_THRESHOLD - && (n_ios - n_ios_very_old < SRV_PAST_IO_ACTIVITY)) { - - srv_main_thread_op_info = "flushing buffer pool pages"; - buf_flush_batch(BUF_FLUSH_LIST, PCT_IO(100), - IB_ULONGLONG_MAX); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - } - - /* We run a batch of insert buffer merge every 10 seconds, - even if the server were active */ - - srv_main_thread_op_info = "doing insert buffer merge"; - ibuf_contract_for_n_pages(FALSE, PCT_IO(5)); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - /* We run a full purge every 10 seconds, even if the server - were active */ - do { - - if (srv_fast_shutdown && srv_shutdown_state > 0) { - - goto background_loop; - } - - srv_main_thread_op_info = "purging"; - n_pages_purged = trx_purge(); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - } while (n_pages_purged); - - srv_main_thread_op_info = "flushing buffer pool pages"; - - /* Flush a few oldest pages to make a new checkpoint younger */ - - if (buf_get_modified_ratio_pct() > 70) { - - /* If there are lots of modified pages in the buffer pool - (> 70 %), we assume we can afford reserving the disk(s) for - the time it requires to flush 100 pages */ - - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); - } else { - /* Otherwise, we only flush a small number of pages so that - we do not unnecessarily use much disk i/o capacity from - other work */ - - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(10), - IB_ULONGLONG_MAX); - } - - srv_main_thread_op_info = "making checkpoint"; - - /* Make a new checkpoint about once in 10 seconds */ - - log_checkpoint(TRUE, FALSE); - - srv_main_thread_op_info = "reserving kernel mutex"; - - mutex_enter(&kernel_mutex); - - /* ---- When there is database activity, we jump from here back to - the start of loop */ - - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); - goto loop; - } - - mutex_exit(&kernel_mutex); - - /* If the database is quiet, we enter the background loop */ - - /*****************************************************************/ -background_loop: - /* ---- In this loop we run background operations when the server - is quiet from user activity. Also in the case of a shutdown, we - loop here, flushing the buffer pool to the data files. */ - - /* The server has been quiet for a while: start running background - operations */ - srv_main_background_loops++; - srv_main_thread_op_info = "doing background drop tables"; - - n_tables_to_drop = row_drop_tables_for_mysql_in_background(); - - if (n_tables_to_drop > 0) { - /* Do not monopolize the CPU even if there are tables waiting - in the background drop queue. (It is essentially a bug if - MySQL tries to drop a table while there are still open handles - to it and we had to put it to the background drop queue.) */ - - os_thread_sleep(100000); - } - - srv_main_thread_op_info = "purging"; - - /* Run a full purge */ - do { - if (srv_fast_shutdown && srv_shutdown_state > 0) { - - break; - } - - srv_main_thread_op_info = "purging"; - n_pages_purged = trx_purge(); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - } while (n_pages_purged); - - srv_main_thread_op_info = "reserving kernel mutex"; - - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); - goto loop; - } - mutex_exit(&kernel_mutex); - - srv_main_thread_op_info = "doing insert buffer merge"; - - if (srv_fast_shutdown && srv_shutdown_state > 0) { - n_bytes_merged = 0; - } else { - /* This should do an amount of IO similar to the number of - dirty pages that will be flushed in the call to - buf_flush_batch below. Otherwise, the system favors - clean pages over cleanup throughput. */ - n_bytes_merged = ibuf_contract_for_n_pages(FALSE, - PCT_IO(100)); - } - - srv_main_thread_op_info = "reserving kernel mutex"; - - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); - goto loop; - } - mutex_exit(&kernel_mutex); - -flush_loop: - srv_main_thread_op_info = "flushing buffer pool pages"; - srv_main_flush_loops++; - if (srv_fast_shutdown < 2) { - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); - } else { - /* In the fastest shutdown we do not flush the buffer pool - to data files: we set n_pages_flushed to 0 artificially. */ - - n_pages_flushed = 0; - } - - srv_main_thread_op_info = "reserving kernel mutex"; - - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); - goto loop; - } - mutex_exit(&kernel_mutex); - - srv_main_thread_op_info = "waiting for buffer pool flush to end"; - buf_flush_wait_batch_end(BUF_FLUSH_LIST); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - srv_main_thread_op_info = "making checkpoint"; - - log_checkpoint(TRUE, FALSE); - - if (buf_get_modified_ratio_pct() > srv_max_buf_pool_modified_pct) { - - /* Try to keep the number of modified pages in the - buffer pool under the limit wished by the user */ - - goto flush_loop; - } - - srv_main_thread_op_info = "reserving kernel mutex"; - - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); - goto loop; - } - mutex_exit(&kernel_mutex); - /* - srv_main_thread_op_info = "archiving log (if log archive is on)"; - - log_archive_do(FALSE, &n_bytes_archived); - */ - n_bytes_archived = 0; - - /* Keep looping in the background loop if still work to do */ - - if (srv_fast_shutdown && srv_shutdown_state > 0) { - if (n_tables_to_drop + n_pages_flushed - + n_bytes_archived != 0) { - - /* If we are doing a fast shutdown (= the default) - we do not do purge or insert buffer merge. But we - flush the buffer pool completely to disk. - In a 'very fast' shutdown we do not flush the buffer - pool to data files: we have set n_pages_flushed to - 0 artificially. */ - - goto background_loop; - } - } else if (n_tables_to_drop - + n_pages_purged + n_bytes_merged + n_pages_flushed - + n_bytes_archived != 0) { - /* In a 'slow' shutdown we run purge and the insert buffer - merge to completion */ - - goto background_loop; - } - - /* There is no work for background operations either: suspend - master thread to wait for more server activity */ - -suspend_thread: - srv_main_thread_op_info = "suspending"; - - mutex_enter(&kernel_mutex); - - if (row_get_background_drop_list_len_low() > 0) { - mutex_exit(&kernel_mutex); - - goto loop; - } - - event = srv_suspend_thread(); - - mutex_exit(&kernel_mutex); - - /* DO NOT CHANGE THIS STRING. innobase_start_or_create_for_mysql() - waits for database activity to die down when converting < 4.1.x - databases, and relies on this string being exactly as it is. InnoDB - manual also mentions this string in several places. */ - srv_main_thread_op_info = "waiting for server activity"; - - os_event_wait(event); - - if (srv_shutdown_state == SRV_SHUTDOWN_EXIT_THREADS) { - /* This is only extra safety, the thread should exit - already when the event wait ends */ - - os_thread_exit(NULL); - } - - /* When there is user activity, InnoDB will set the event and the - main thread goes back to loop. */ - - goto loop; - - OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ -} diff --git a/perfschema/srv/srv0start.c b/perfschema/srv/srv0start.c deleted file mode 100644 index 30f4baa6598..00000000000 --- a/perfschema/srv/srv0start.c +++ /dev/null @@ -1,2082 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. -Copyright (c) 2009, Percona Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file srv/srv0start.c -Starts the InnoDB database server - -Created 2/16/1996 Heikki Tuuri -*************************************************************************/ - -#include "ut0mem.h" -#include "mem0mem.h" -#include "data0data.h" -#include "data0type.h" -#include "dict0dict.h" -#include "buf0buf.h" -#include "os0file.h" -#include "os0thread.h" -#include "fil0fil.h" -#include "fsp0fsp.h" -#include "rem0rec.h" -#include "mtr0mtr.h" -#include "log0log.h" -#include "log0recv.h" -#include "page0page.h" -#include "page0cur.h" -#include "trx0trx.h" -#include "trx0sys.h" -#include "btr0btr.h" -#include "btr0cur.h" -#include "rem0rec.h" -#include "ibuf0ibuf.h" -#include "srv0start.h" -#include "srv0srv.h" -#ifndef UNIV_HOTBACKUP -# include "os0proc.h" -# include "sync0sync.h" -# include "buf0flu.h" -# include "buf0rea.h" -# include "dict0boot.h" -# include "dict0load.h" -# include "que0que.h" -# include "usr0sess.h" -# include "lock0lock.h" -# include "trx0roll.h" -# include "trx0purge.h" -# include "lock0lock.h" -# include "pars0pars.h" -# include "btr0sea.h" -# include "rem0cmp.h" -# include "dict0crea.h" -# include "row0ins.h" -# include "row0sel.h" -# include "row0upd.h" -# include "row0row.h" -# include "row0mysql.h" -# include "btr0pcur.h" -# include "thr0loc.h" -# include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ -# include "zlib.h" /* for ZLIB_VERSION */ - -/** Log sequence number immediately after startup */ -UNIV_INTERN ib_uint64_t srv_start_lsn; -/** Log sequence number at shutdown */ -UNIV_INTERN ib_uint64_t srv_shutdown_lsn; - -#ifdef HAVE_DARWIN_THREADS -# include -/** TRUE if the F_FULLFSYNC option is available */ -UNIV_INTERN ibool srv_have_fullfsync = FALSE; -#endif - -/** TRUE if a raw partition is in use */ -UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; - -/** TRUE if the server is being started, before rolling back any -incomplete transactions */ -UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; -/** TRUE if the server is being started */ -UNIV_INTERN ibool srv_is_being_started = FALSE; -/** TRUE if the server was successfully started */ -UNIV_INTERN ibool srv_was_started = FALSE; -/** TRUE if innobase_start_or_create_for_mysql() has been called */ -static ibool srv_start_has_been_called = FALSE; - -/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to -SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ -UNIV_INTERN enum srv_shutdown_state srv_shutdown_state = SRV_SHUTDOWN_NONE; - -/** Files comprising the system tablespace */ -static os_file_t files[1000]; - -/** Mutex protecting the ios count */ -static mutex_t ios_mutex; -/** Count of I/O operations in io_handler_thread() */ -static ulint ios; - -/** io_handler_thread parameters for thread identification */ -static ulint n[SRV_MAX_N_IO_THREADS + 6]; -/** io_handler_thread identifiers */ -static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 6]; - -/** We use this mutex to test the return value of pthread_mutex_trylock - on successful locking. HP-UX does NOT return 0, though Linux et al do. */ -static os_fast_mutex_t srv_os_test_mutex; - -/** Name of srv_monitor_file */ -static char* srv_monitor_file_name; -#endif /* !UNIV_HOTBACKUP */ - -/** */ -#define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD -#define SRV_MAX_N_PENDING_SYNC_IOS 100 - - -/*********************************************************************//** -Convert a numeric string that optionally ends in G or M, to a number -containing megabytes. -@return next character in string */ -static -char* -srv_parse_megabytes( -/*================*/ - char* str, /*!< in: string containing a quantity in bytes */ - ulint* megs) /*!< out: the number in megabytes */ -{ - char* endp; - ulint size; - - size = strtoul(str, &endp, 10); - - str = endp; - - switch (*str) { - case 'G': case 'g': - size *= 1024; - /* fall through */ - case 'M': case 'm': - str++; - break; - default: - size /= 1024 * 1024; - break; - } - - *megs = size; - return(str); -} - -/*********************************************************************//** -Reads the data files and their sizes from a character string given in -the .cnf file. -@return TRUE if ok, FALSE on parse error */ -UNIV_INTERN -ibool -srv_parse_data_file_paths_and_sizes( -/*================================*/ - char* str) /*!< in/out: the data file path string */ -{ - char* input_str; - char* path; - ulint size; - ulint i = 0; - - srv_auto_extend_last_data_file = FALSE; - srv_last_file_size_max = 0; - srv_data_file_names = NULL; - srv_data_file_sizes = NULL; - srv_data_file_is_raw_partition = NULL; - - input_str = str; - - /* First calculate the number of data files and check syntax: - path:size[M | G];path:size[M | G]... . Note that a Windows path may - contain a drive name and a ':'. */ - - while (*str != '\0') { - path = str; - - while ((*str != ':' && *str != '\0') - || (*str == ':' - && (*(str + 1) == '\\' || *(str + 1) == '/' - || *(str + 1) == ':'))) { - str++; - } - - if (*str == '\0') { - return(FALSE); - } - - str++; - - str = srv_parse_megabytes(str, &size); - - if (0 == strncmp(str, ":autoextend", - (sizeof ":autoextend") - 1)) { - - str += (sizeof ":autoextend") - 1; - - if (0 == strncmp(str, ":max:", - (sizeof ":max:") - 1)) { - - str += (sizeof ":max:") - 1; - - str = srv_parse_megabytes(str, &size); - } - - if (*str != '\0') { - - return(FALSE); - } - } - - if (strlen(str) >= 6 - && *str == 'n' - && *(str + 1) == 'e' - && *(str + 2) == 'w') { - str += 3; - } - - if (*str == 'r' && *(str + 1) == 'a' && *(str + 2) == 'w') { - str += 3; - } - - if (size == 0) { - return(FALSE); - } - - i++; - - if (*str == ';') { - str++; - } else if (*str != '\0') { - - return(FALSE); - } - } - - if (i == 0) { - /* If innodb_data_file_path was defined it must contain - at least one data file definition */ - - return(FALSE); - } - - srv_data_file_names = malloc(i * sizeof *srv_data_file_names); - srv_data_file_sizes = malloc(i * sizeof *srv_data_file_sizes); - srv_data_file_is_raw_partition = malloc( - i * sizeof *srv_data_file_is_raw_partition); - - srv_n_data_files = i; - - /* Then store the actual values to our arrays */ - - str = input_str; - i = 0; - - while (*str != '\0') { - path = str; - - /* Note that we must step over the ':' in a Windows path; - a Windows path normally looks like C:\ibdata\ibdata1:1G, but - a Windows raw partition may have a specification like - \\.\C::1Gnewraw or \\.\PHYSICALDRIVE2:1Gnewraw */ - - while ((*str != ':' && *str != '\0') - || (*str == ':' - && (*(str + 1) == '\\' || *(str + 1) == '/' - || *(str + 1) == ':'))) { - str++; - } - - if (*str == ':') { - /* Make path a null-terminated string */ - *str = '\0'; - str++; - } - - str = srv_parse_megabytes(str, &size); - - srv_data_file_names[i] = path; - srv_data_file_sizes[i] = size; - - if (0 == strncmp(str, ":autoextend", - (sizeof ":autoextend") - 1)) { - - srv_auto_extend_last_data_file = TRUE; - - str += (sizeof ":autoextend") - 1; - - if (0 == strncmp(str, ":max:", - (sizeof ":max:") - 1)) { - - str += (sizeof ":max:") - 1; - - str = srv_parse_megabytes( - str, &srv_last_file_size_max); - } - - if (*str != '\0') { - - return(FALSE); - } - } - - (srv_data_file_is_raw_partition)[i] = 0; - - if (strlen(str) >= 6 - && *str == 'n' - && *(str + 1) == 'e' - && *(str + 2) == 'w') { - str += 3; - (srv_data_file_is_raw_partition)[i] = SRV_NEW_RAW; - } - - if (*str == 'r' && *(str + 1) == 'a' && *(str + 2) == 'w') { - str += 3; - - if ((srv_data_file_is_raw_partition)[i] == 0) { - (srv_data_file_is_raw_partition)[i] = SRV_OLD_RAW; - } - } - - i++; - - if (*str == ';') { - str++; - } - } - - return(TRUE); -} - -/*********************************************************************//** -Reads log group home directories from a character string given in -the .cnf file. -@return TRUE if ok, FALSE on parse error */ -UNIV_INTERN -ibool -srv_parse_log_group_home_dirs( -/*==========================*/ - char* str) /*!< in/out: character string */ -{ - char* input_str; - char* path; - ulint i = 0; - - srv_log_group_home_dirs = NULL; - - input_str = str; - - /* First calculate the number of directories and check syntax: - path;path;... */ - - while (*str != '\0') { - path = str; - - while (*str != ';' && *str != '\0') { - str++; - } - - i++; - - if (*str == ';') { - str++; - } else if (*str != '\0') { - - return(FALSE); - } - } - - if (i != 1) { - /* If innodb_log_group_home_dir was defined it must - contain exactly one path definition under current MySQL */ - - return(FALSE); - } - - srv_log_group_home_dirs = malloc(i * sizeof *srv_log_group_home_dirs); - - /* Then store the actual values to our array */ - - str = input_str; - i = 0; - - while (*str != '\0') { - path = str; - - while (*str != ';' && *str != '\0') { - str++; - } - - if (*str == ';') { - *str = '\0'; - str++; - } - - srv_log_group_home_dirs[i] = path; - - i++; - } - - return(TRUE); -} - -/*********************************************************************//** -Frees the memory allocated by srv_parse_data_file_paths_and_sizes() -and srv_parse_log_group_home_dirs(). */ -UNIV_INTERN -void -srv_free_paths_and_sizes(void) -/*==========================*/ -{ - free(srv_data_file_names); - srv_data_file_names = NULL; - free(srv_data_file_sizes); - srv_data_file_sizes = NULL; - free(srv_data_file_is_raw_partition); - srv_data_file_is_raw_partition = NULL; - free(srv_log_group_home_dirs); - srv_log_group_home_dirs = NULL; -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -I/o-handler thread function. -@return OS_THREAD_DUMMY_RETURN */ -static -os_thread_ret_t -io_handler_thread( -/*==============*/ - void* arg) /*!< in: pointer to the number of the segment in - the aio array */ -{ - ulint segment; - ulint i; - - segment = *((ulint*)arg); - -#ifdef UNIV_DEBUG_THREAD_CREATION - fprintf(stderr, "Io handler thread %lu starts, id %lu\n", segment, - os_thread_pf(os_thread_get_curr_id())); -#endif - for (i = 0;; i++) { - fil_aio_wait(segment); - - mutex_enter(&ios_mutex); - ios++; - mutex_exit(&ios_mutex); - } - - thr_local_free(os_thread_get_curr_id()); - - /* We count the number of threads in os_thread_exit(). A created - thread should always use that to exit and not use return() to exit. - The thread actually never comes here because it is exited in an - os_event_wait(). */ - - os_thread_exit(NULL); - - OS_THREAD_DUMMY_RETURN; -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef __WIN__ -#define SRV_PATH_SEPARATOR '\\' -#else -#define SRV_PATH_SEPARATOR '/' -#endif - -/*********************************************************************//** -Normalizes a directory path for Windows: converts slashes to backslashes. */ -UNIV_INTERN -void -srv_normalize_path_for_win( -/*=======================*/ - char* str __attribute__((unused))) /*!< in/out: null-terminated - character string */ -{ -#ifdef __WIN__ - for (; *str; str++) { - - if (*str == '/') { - *str = '\\'; - } - } -#endif -} - -#ifndef UNIV_HOTBACKUP -/*********************************************************************//** -Calculates the low 32 bits when a file size which is given as a number -database pages is converted to the number of bytes. -@return low 32 bytes of file size when expressed in bytes */ -static -ulint -srv_calc_low32( -/*===========*/ - ulint file_size) /*!< in: file size in database pages */ -{ - return(0xFFFFFFFFUL & (file_size << UNIV_PAGE_SIZE_SHIFT)); -} - -/*********************************************************************//** -Calculates the high 32 bits when a file size which is given as a number -database pages is converted to the number of bytes. -@return high 32 bytes of file size when expressed in bytes */ -static -ulint -srv_calc_high32( -/*============*/ - ulint file_size) /*!< in: file size in database pages */ -{ - return(file_size >> (32 - UNIV_PAGE_SIZE_SHIFT)); -} - -/*********************************************************************//** -Creates or opens the log files and closes them. -@return DB_SUCCESS or error code */ -static -ulint -open_or_create_log_file( -/*====================*/ - ibool create_new_db, /*!< in: TRUE if we should create a - new database */ - ibool* log_file_created, /*!< out: TRUE if new log file - created */ - ibool log_file_has_been_opened,/*!< in: TRUE if a log file has been - opened before: then it is an error - to try to create another log file */ - ulint k, /*!< in: log group number */ - ulint i) /*!< in: log file number in group */ -{ - ibool ret; - ulint size; - ulint size_high; - char name[10000]; - ulint dirnamelen; - - UT_NOT_USED(create_new_db); - - *log_file_created = FALSE; - - srv_normalize_path_for_win(srv_log_group_home_dirs[k]); - - dirnamelen = strlen(srv_log_group_home_dirs[k]); - ut_a(dirnamelen < (sizeof name) - 10 - sizeof "ib_logfile"); - memcpy(name, srv_log_group_home_dirs[k], dirnamelen); - - /* Add a path separator if needed. */ - if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { - name[dirnamelen++] = SRV_PATH_SEPARATOR; - } - - sprintf(name + dirnamelen, "%s%lu", "ib_logfile", (ulong) i); - - files[i] = os_file_create(name, OS_FILE_CREATE, OS_FILE_NORMAL, - OS_LOG_FILE, &ret); - if (ret == FALSE) { - if (os_file_get_last_error(FALSE) != OS_FILE_ALREADY_EXISTS -#ifdef UNIV_AIX - /* AIX 5.1 after security patch ML7 may have errno set - to 0 here, which causes our function to return 100; - work around that AIX problem */ - && os_file_get_last_error(FALSE) != 100 -#endif - ) { - fprintf(stderr, - "InnoDB: Error in creating" - " or opening %s\n", name); - - return(DB_ERROR); - } - - files[i] = os_file_create(name, OS_FILE_OPEN, OS_FILE_AIO, - OS_LOG_FILE, &ret); - if (!ret) { - fprintf(stderr, - "InnoDB: Error in opening %s\n", name); - - return(DB_ERROR); - } - - ret = os_file_get_size(files[i], &size, &size_high); - ut_a(ret); - - if (size != srv_calc_low32(srv_log_file_size) - || size_high != srv_calc_high32(srv_log_file_size)) { - - fprintf(stderr, - "InnoDB: Error: log file %s is" - " of different size %lu %lu bytes\n" - "InnoDB: than specified in the .cnf" - " file %lu %lu bytes!\n", - name, (ulong) size_high, (ulong) size, - (ulong) srv_calc_high32(srv_log_file_size), - (ulong) srv_calc_low32(srv_log_file_size)); - - return(DB_ERROR); - } - } else { - *log_file_created = TRUE; - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Log file %s did not exist:" - " new to be created\n", - name); - if (log_file_has_been_opened) { - - return(DB_ERROR); - } - - fprintf(stderr, "InnoDB: Setting log file %s size to %lu MB\n", - name, (ulong) srv_log_file_size - >> (20 - UNIV_PAGE_SIZE_SHIFT)); - - fprintf(stderr, - "InnoDB: Database physically writes the file" - " full: wait...\n"); - - ret = os_file_set_size(name, files[i], - srv_calc_low32(srv_log_file_size), - srv_calc_high32(srv_log_file_size)); - if (!ret) { - fprintf(stderr, - "InnoDB: Error in creating %s:" - " probably out of disk space\n", - name); - - return(DB_ERROR); - } - } - - ret = os_file_close(files[i]); - ut_a(ret); - - if (i == 0) { - /* Create in memory the file space object - which is for this log group */ - - fil_space_create(name, - 2 * k + SRV_LOG_SPACE_FIRST_ID, 0, FIL_LOG); - } - - ut_a(fil_validate()); - - fil_node_create(name, srv_log_file_size, - 2 * k + SRV_LOG_SPACE_FIRST_ID, FALSE); -#ifdef UNIV_LOG_ARCHIVE - /* If this is the first log group, create the file space object - for archived logs. - Under MySQL, no archiving ever done. */ - - if (k == 0 && i == 0) { - arch_space_id = 2 * k + 1 + SRV_LOG_SPACE_FIRST_ID; - - fil_space_create("arch_log_space", arch_space_id, 0, FIL_LOG); - } else { - arch_space_id = ULINT_UNDEFINED; - } -#endif /* UNIV_LOG_ARCHIVE */ - if (i == 0) { - log_group_init(k, srv_n_log_files, - srv_log_file_size * UNIV_PAGE_SIZE, - 2 * k + SRV_LOG_SPACE_FIRST_ID, - SRV_LOG_SPACE_FIRST_ID + 1); /* dummy arch - space id */ - } - - return(DB_SUCCESS); -} - -/*********************************************************************//** -Creates or opens database data files and closes them. -@return DB_SUCCESS or error code */ -static -ulint -open_or_create_data_files( -/*======================*/ - ibool* create_new_db, /*!< out: TRUE if new database should be - created */ -#ifdef UNIV_LOG_ARCHIVE - ulint* min_arch_log_no,/*!< out: min of archived log - numbers in data files */ - ulint* max_arch_log_no,/*!< out: max of archived log - numbers in data files */ -#endif /* UNIV_LOG_ARCHIVE */ - ib_uint64_t* min_flushed_lsn,/*!< out: min of flushed lsn - values in data files */ - ib_uint64_t* max_flushed_lsn,/*!< out: max of flushed lsn - values in data files */ - ulint* sum_of_new_sizes)/*!< out: sum of sizes of the - new files added */ -{ - ibool ret; - ulint i; - ibool one_opened = FALSE; - ibool one_created = FALSE; - ulint size; - ulint size_high; - ulint rounded_size_pages; - char name[10000]; - - if (srv_n_data_files >= 1000) { - fprintf(stderr, "InnoDB: can only have < 1000 data files\n" - "InnoDB: you have defined %lu\n", - (ulong) srv_n_data_files); - return(DB_ERROR); - } - - *sum_of_new_sizes = 0; - - *create_new_db = FALSE; - - srv_normalize_path_for_win(srv_data_home); - - for (i = 0; i < srv_n_data_files; i++) { - ulint dirnamelen; - - srv_normalize_path_for_win(srv_data_file_names[i]); - dirnamelen = strlen(srv_data_home); - - ut_a(dirnamelen + strlen(srv_data_file_names[i]) - < (sizeof name) - 1); - memcpy(name, srv_data_home, dirnamelen); - /* Add a path separator if needed. */ - if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) { - name[dirnamelen++] = SRV_PATH_SEPARATOR; - } - - strcpy(name + dirnamelen, srv_data_file_names[i]); - - if (srv_data_file_is_raw_partition[i] == 0) { - - /* First we try to create the file: if it already - exists, ret will get value FALSE */ - - files[i] = os_file_create(name, OS_FILE_CREATE, - OS_FILE_NORMAL, - OS_DATA_FILE, &ret); - - if (ret == FALSE && os_file_get_last_error(FALSE) - != OS_FILE_ALREADY_EXISTS -#ifdef UNIV_AIX - /* AIX 5.1 after security patch ML7 may have - errno set to 0 here, which causes our function - to return 100; work around that AIX problem */ - && os_file_get_last_error(FALSE) != 100 -#endif - ) { - fprintf(stderr, - "InnoDB: Error in creating" - " or opening %s\n", - name); - - return(DB_ERROR); - } - } else if (srv_data_file_is_raw_partition[i] == SRV_NEW_RAW) { - /* The partition is opened, not created; then it is - written over */ - - srv_start_raw_disk_in_use = TRUE; - srv_created_new_raw = TRUE; - - files[i] = os_file_create(name, OS_FILE_OPEN_RAW, - OS_FILE_NORMAL, - OS_DATA_FILE, &ret); - if (!ret) { - fprintf(stderr, - "InnoDB: Error in opening %s\n", name); - - return(DB_ERROR); - } - } else if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { - srv_start_raw_disk_in_use = TRUE; - - ret = FALSE; - } else { - ut_a(0); - } - - if (ret == FALSE) { - /* We open the data file */ - - if (one_created) { - fprintf(stderr, - "InnoDB: Error: data files can only" - " be added at the end\n"); - fprintf(stderr, - "InnoDB: of a tablespace, but" - " data file %s existed beforehand.\n", - name); - return(DB_ERROR); - } - - if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { - files[i] = os_file_create( - name, OS_FILE_OPEN_RAW, - OS_FILE_NORMAL, OS_DATA_FILE, &ret); - } else if (i == 0) { - files[i] = os_file_create( - name, OS_FILE_OPEN_RETRY, - OS_FILE_NORMAL, OS_DATA_FILE, &ret); - } else { - files[i] = os_file_create( - name, OS_FILE_OPEN, OS_FILE_NORMAL, - OS_DATA_FILE, &ret); - } - - if (!ret) { - fprintf(stderr, - "InnoDB: Error in opening %s\n", name); - os_file_get_last_error(TRUE); - - return(DB_ERROR); - } - - if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { - - goto skip_size_check; - } - - ret = os_file_get_size(files[i], &size, &size_high); - ut_a(ret); - /* Round size downward to megabytes */ - - rounded_size_pages - = (size / (1024 * 1024) + 4096 * size_high) - << (20 - UNIV_PAGE_SIZE_SHIFT); - - if (i == srv_n_data_files - 1 - && srv_auto_extend_last_data_file) { - - if (srv_data_file_sizes[i] > rounded_size_pages - || (srv_last_file_size_max > 0 - && srv_last_file_size_max - < rounded_size_pages)) { - - fprintf(stderr, - "InnoDB: Error: auto-extending" - " data file %s is" - " of a different size\n" - "InnoDB: %lu pages (rounded" - " down to MB) than specified" - " in the .cnf file:\n" - "InnoDB: initial %lu pages," - " max %lu (relevant if" - " non-zero) pages!\n", - name, - (ulong) rounded_size_pages, - (ulong) srv_data_file_sizes[i], - (ulong) - srv_last_file_size_max); - - return(DB_ERROR); - } - - srv_data_file_sizes[i] = rounded_size_pages; - } - - if (rounded_size_pages != srv_data_file_sizes[i]) { - - fprintf(stderr, - "InnoDB: Error: data file %s" - " is of a different size\n" - "InnoDB: %lu pages" - " (rounded down to MB)\n" - "InnoDB: than specified" - " in the .cnf file %lu pages!\n", - name, - (ulong) rounded_size_pages, - (ulong) srv_data_file_sizes[i]); - - return(DB_ERROR); - } -skip_size_check: - fil_read_flushed_lsn_and_arch_log_no( - files[i], one_opened, -#ifdef UNIV_LOG_ARCHIVE - min_arch_log_no, max_arch_log_no, -#endif /* UNIV_LOG_ARCHIVE */ - min_flushed_lsn, max_flushed_lsn); - one_opened = TRUE; - } else { - /* We created the data file and now write it full of - zeros */ - - one_created = TRUE; - - if (i > 0) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Data file %s did not" - " exist: new to be created\n", - name); - } else { - fprintf(stderr, - "InnoDB: The first specified" - " data file %s did not exist:\n" - "InnoDB: a new database" - " to be created!\n", name); - *create_new_db = TRUE; - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Setting file %s size to %lu MB\n", - name, - (ulong) (srv_data_file_sizes[i] - >> (20 - UNIV_PAGE_SIZE_SHIFT))); - - fprintf(stderr, - "InnoDB: Database physically writes the" - " file full: wait...\n"); - - ret = os_file_set_size( - name, files[i], - srv_calc_low32(srv_data_file_sizes[i]), - srv_calc_high32(srv_data_file_sizes[i])); - - if (!ret) { - fprintf(stderr, - "InnoDB: Error in creating %s:" - " probably out of disk space\n", name); - - return(DB_ERROR); - } - - *sum_of_new_sizes = *sum_of_new_sizes - + srv_data_file_sizes[i]; - } - - ret = os_file_close(files[i]); - ut_a(ret); - - if (i == 0) { - fil_space_create(name, 0, 0, FIL_TABLESPACE); - } - - ut_a(fil_validate()); - - fil_node_create(name, srv_data_file_sizes[i], 0, - srv_data_file_is_raw_partition[i] != 0); - } - - ios = 0; - - mutex_create(&ios_mutex, SYNC_NO_ORDER_CHECK); - - return(DB_SUCCESS); -} - -/******************************************************************** -Starts InnoDB and creates a new database if database files -are not found and the user wants. -@return DB_SUCCESS or error code */ -UNIV_INTERN -int -innobase_start_or_create_for_mysql(void) -/*====================================*/ -{ - buf_pool_t* ret; - ibool create_new_db; - ibool log_file_created; - ibool log_created = FALSE; - ibool log_opened = FALSE; - ib_uint64_t min_flushed_lsn; - ib_uint64_t max_flushed_lsn; -#ifdef UNIV_LOG_ARCHIVE - ulint min_arch_log_no; - ulint max_arch_log_no; -#endif /* UNIV_LOG_ARCHIVE */ - ulint sum_of_new_sizes; - ulint sum_of_data_file_sizes; - ulint tablespace_size_in_header; - ulint err; - ulint i; - ulint io_limit; - my_bool srv_file_per_table_original_value - = srv_file_per_table; - mtr_t mtr; -#ifdef HAVE_DARWIN_THREADS -# ifdef F_FULLFSYNC - /* This executable has been compiled on Mac OS X 10.3 or later. - Assume that F_FULLFSYNC is available at run-time. */ - srv_have_fullfsync = TRUE; -# else /* F_FULLFSYNC */ - /* This executable has been compiled on Mac OS X 10.2 - or earlier. Determine if the executable is running - on Mac OS X 10.3 or later. */ - struct utsname utsname; - if (uname(&utsname)) { - fputs("InnoDB: cannot determine Mac OS X version!\n", stderr); - } else { - srv_have_fullfsync = strcmp(utsname.release, "7.") >= 0; - } - if (!srv_have_fullfsync) { - fputs("InnoDB: On Mac OS X, fsync() may be" - " broken on internal drives,\n" - "InnoDB: making transactions unsafe!\n", stderr); - } -# endif /* F_FULLFSYNC */ -#endif /* HAVE_DARWIN_THREADS */ - - if (sizeof(ulint) != sizeof(void*)) { - fprintf(stderr, - "InnoDB: Error: size of InnoDB's ulint is %lu," - " but size of void* is %lu.\n" - "InnoDB: The sizes should be the same" - " so that on a 64-bit platform you can\n" - "InnoDB: allocate more than 4 GB of memory.", - (ulong)sizeof(ulint), (ulong)sizeof(void*)); - } - - /* System tables are created in tablespace 0. Thus, we must - temporarily clear srv_file_per_table. This is ok, because the - server will not accept connections (which could modify - innodb_file_per_table) until this function has returned. */ - srv_file_per_table = FALSE; -#ifdef UNIV_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!\n"); -#endif - -#ifdef UNIV_IBUF_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_IBUF_DEBUG switched on !!!!!!!!!\n" -# ifdef UNIV_IBUF_COUNT_DEBUG - "InnoDB: !!!!!!!! UNIV_IBUF_COUNT_DEBUG switched on !!!!!!!!!\n" - "InnoDB: Crash recovery will fail with UNIV_IBUF_COUNT_DEBUG\n" -# endif - ); -#endif - -#ifdef UNIV_SYNC_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!!\n"); -#endif - -#ifdef UNIV_SEARCH_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_SEARCH_DEBUG switched on !!!!!!!!!\n"); -#endif - -#ifdef UNIV_LOG_LSN_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_LOG_LSN_DEBUG switched on !!!!!!!!!\n"); -#endif /* UNIV_LOG_LSN_DEBUG */ -#ifdef UNIV_MEM_DEBUG - fprintf(stderr, - "InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n"); -#endif - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - fprintf(stderr, - "InnoDB: The InnoDB memory heap is disabled\n"); - } - - fputs("InnoDB: " IB_ATOMICS_STARTUP_MSG - "\nInnoDB: Compressed tables use zlib " ZLIB_VERSION -#ifdef UNIV_ZIP_DEBUG - " with validation" -#endif /* UNIV_ZIP_DEBUG */ -#ifdef UNIV_ZIP_COPY - " and extra copying" -#endif /* UNIV_ZIP_COPY */ - "\n" , stderr); - - /* Since InnoDB does not currently clean up all its internal data - structures in MySQL Embedded Server Library server_end(), we - print an error message if someone tries to start up InnoDB a - second time during the process lifetime. */ - - if (srv_start_has_been_called) { - fprintf(stderr, - "InnoDB: Error: startup called second time" - " during the process lifetime.\n" - "InnoDB: In the MySQL Embedded Server Library" - " you cannot call server_init()\n" - "InnoDB: more than once during" - " the process lifetime.\n"); - } - - srv_start_has_been_called = TRUE; - -#ifdef UNIV_DEBUG - log_do_write = TRUE; -#endif /* UNIV_DEBUG */ - /* yydebug = TRUE; */ - - srv_is_being_started = TRUE; - srv_startup_is_before_trx_rollback_phase = TRUE; - -#ifdef __WIN__ - switch (os_get_os_version()) { - case OS_WIN95: - case OS_WIN31: - case OS_WINNT: - /* On Win 95, 98, ME, Win32 subsystem for Windows 3.1, - and NT use simulated aio. In NT Windows provides async i/o, - but when run in conjunction with InnoDB Hot Backup, it seemed - to corrupt the data files. */ - - srv_use_native_aio = FALSE; - break; - default: - /* On Win 2000 and XP use async i/o */ - srv_use_native_aio = TRUE; - break; - } - -#elif defined(LINUX_NATIVE_AIO) - - if (srv_use_native_aio) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Using Linux native AIO\n"); - } -#else - /* Currently native AIO is supported only on windows and linux - and that also when the support is compiled in. In all other - cases, we ignore the setting of innodb_use_native_aio. */ - - /* TODO: comment this out after internal testing. */ - fprintf(stderr, "Ignoring innodb_use_native_aio\n"); - srv_use_native_aio = FALSE; - -#endif - - if (srv_file_flush_method_str == NULL) { - /* These are the default options */ - - srv_unix_file_flush_method = SRV_UNIX_FSYNC; - - srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; -#ifndef __WIN__ - } else if (0 == ut_strcmp(srv_file_flush_method_str, "fsync")) { - srv_unix_file_flush_method = SRV_UNIX_FSYNC; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, "O_DSYNC")) { - srv_unix_file_flush_method = SRV_UNIX_O_DSYNC; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, "O_DIRECT")) { - srv_unix_file_flush_method = SRV_UNIX_O_DIRECT; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, "littlesync")) { - srv_unix_file_flush_method = SRV_UNIX_LITTLESYNC; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, "nosync")) { - srv_unix_file_flush_method = SRV_UNIX_NOSYNC; -#else - } else if (0 == ut_strcmp(srv_file_flush_method_str, "normal")) { - srv_win_file_flush_method = SRV_WIN_IO_NORMAL; - srv_use_native_aio = FALSE; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, "unbuffered")) { - srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; - srv_use_native_aio = FALSE; - - } else if (0 == ut_strcmp(srv_file_flush_method_str, - "async_unbuffered")) { - srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED; -#endif - } else { - fprintf(stderr, - "InnoDB: Unrecognized value %s for" - " innodb_flush_method\n", - srv_file_flush_method_str); - return(DB_ERROR); - } - - /* Note that the call srv_boot() also changes the values of - some variables to the units used by InnoDB internally */ - - /* Set the maximum number of threads which can wait for a semaphore - inside InnoDB: this is the 'sync wait array' size, as well as the - maximum number of threads that can wait in the 'srv_conc array' for - their time to enter InnoDB. */ - -#if defined(__NETWARE__) - - /* Create less event semaphores because Win 98/ME had - difficulty creating 40000 event semaphores. Comment from - Novell, Inc.: also, these just take a lot of memory on - NetWare. */ - srv_max_n_threads = 1000; -#else - if (srv_buf_pool_size >= 1000 * 1024 * 1024) { - /* If buffer pool is less than 1000 MB, - assume fewer threads. */ - srv_max_n_threads = 50000; - - } else if (srv_buf_pool_size >= 8 * 1024 * 1024) { - - srv_max_n_threads = 10000; - } else { - srv_max_n_threads = 1000; /* saves several MB of memory, - especially in 64-bit - computers */ - } -#endif - err = srv_boot(); - - if (err != DB_SUCCESS) { - - return((int) err); - } - - mutex_create(&srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK); - - if (srv_innodb_status) { - srv_monitor_file_name = mem_alloc( - strlen(fil_path_to_mysql_datadir) - + 20 + sizeof "/innodb_status."); - sprintf(srv_monitor_file_name, "%s/innodb_status.%lu", - fil_path_to_mysql_datadir, os_proc_get_number()); - srv_monitor_file = fopen(srv_monitor_file_name, "w+"); - if (!srv_monitor_file) { - fprintf(stderr, "InnoDB: unable to create %s: %s\n", - srv_monitor_file_name, strerror(errno)); - return(DB_ERROR); - } - } else { - srv_monitor_file_name = NULL; - srv_monitor_file = os_file_create_tmpfile(); - if (!srv_monitor_file) { - return(DB_ERROR); - } - } - - mutex_create(&srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION); - - srv_dict_tmpfile = os_file_create_tmpfile(); - if (!srv_dict_tmpfile) { - return(DB_ERROR); - } - - mutex_create(&srv_misc_tmpfile_mutex, SYNC_ANY_LATCH); - - srv_misc_tmpfile = os_file_create_tmpfile(); - if (!srv_misc_tmpfile) { - return(DB_ERROR); - } - - /* If user has set the value of innodb_file_io_threads then - we'll emit a message telling the user that this parameter - is now deprecated. */ - if (srv_n_file_io_threads != 4) { - fprintf(stderr, "InnoDB: Warning:" - " innodb_file_io_threads is deprecated." - " Please use innodb_read_io_threads and" - " innodb_write_io_threads instead\n"); - } - - /* Now overwrite the value on srv_n_file_io_threads */ - srv_n_file_io_threads = 2 + srv_n_read_io_threads - + srv_n_write_io_threads; - - ut_a(srv_n_file_io_threads <= SRV_MAX_N_IO_THREADS); - - /* TODO: Investigate if SRV_N_PENDING_IOS_PER_THREAD (32) limit - still applies to windows. */ - if (!srv_use_native_aio) { - io_limit = 8 * SRV_N_PENDING_IOS_PER_THREAD; - } else { - io_limit = SRV_N_PENDING_IOS_PER_THREAD; - } - - os_aio_init(io_limit, - srv_n_read_io_threads, - srv_n_write_io_threads, - SRV_MAX_N_PENDING_SYNC_IOS); - - fil_init(srv_file_per_table ? 50000 : 5000, - srv_max_n_open_files); - - ret = buf_pool_init(); - - if (ret == NULL) { - fprintf(stderr, - "InnoDB: Fatal error: cannot allocate the memory" - " for the buffer pool\n"); - - return(DB_ERROR); - } - -#ifdef UNIV_DEBUG - /* We have observed deadlocks with a 5MB buffer pool but - the actual lower limit could very well be a little higher. */ - - if (srv_buf_pool_size <= 5 * 1024 * 1024) { - - fprintf(stderr, "InnoDB: Warning: Small buffer pool size " - "(%luM), the flst_validate() debug function " - "can cause a deadlock if the buffer pool fills up.\n", - srv_buf_pool_size / 1024 / 1024); - } -#endif - - fsp_init(); - log_init(); - - lock_sys_create(srv_lock_table_size); - - /* Create i/o-handler threads: */ - - for (i = 0; i < srv_n_file_io_threads; i++) { - n[i] = i; - - os_thread_create(io_handler_thread, n + i, thread_ids + i); - } - -#ifdef UNIV_LOG_ARCHIVE - if (0 != ut_strcmp(srv_log_group_home_dirs[0], srv_arch_dir)) { - fprintf(stderr, - "InnoDB: Error: you must set the log group" - " home dir in my.cnf the\n" - "InnoDB: same as log arch dir.\n"); - - return(DB_ERROR); - } -#endif /* UNIV_LOG_ARCHIVE */ - - if (srv_n_log_files * srv_log_file_size >= 262144) { - fprintf(stderr, - "InnoDB: Error: combined size of log files" - " must be < 4 GB\n"); - - return(DB_ERROR); - } - - sum_of_new_sizes = 0; - - for (i = 0; i < srv_n_data_files; i++) { -#ifndef __WIN__ - if (sizeof(off_t) < 5 && srv_data_file_sizes[i] >= 262144) { - fprintf(stderr, - "InnoDB: Error: file size must be < 4 GB" - " with this MySQL binary\n" - "InnoDB: and operating system combination," - " in some OS's < 2 GB\n"); - - return(DB_ERROR); - } -#endif - sum_of_new_sizes += srv_data_file_sizes[i]; - } - - if (sum_of_new_sizes < 10485760 / UNIV_PAGE_SIZE) { - fprintf(stderr, - "InnoDB: Error: tablespace size must be" - " at least 10 MB\n"); - - return(DB_ERROR); - } - - err = open_or_create_data_files(&create_new_db, -#ifdef UNIV_LOG_ARCHIVE - &min_arch_log_no, &max_arch_log_no, -#endif /* UNIV_LOG_ARCHIVE */ - &min_flushed_lsn, &max_flushed_lsn, - &sum_of_new_sizes); - if (err != DB_SUCCESS) { - fprintf(stderr, - "InnoDB: Could not open or create data files.\n" - "InnoDB: If you tried to add new data files," - " and it failed here,\n" - "InnoDB: you should now edit innodb_data_file_path" - " in my.cnf back\n" - "InnoDB: to what it was, and remove the" - " new ibdata files InnoDB created\n" - "InnoDB: in this failed attempt. InnoDB only wrote" - " those files full of\n" - "InnoDB: zeros, but did not yet use them in any way." - " But be careful: do not\n" - "InnoDB: remove old data files" - " which contain your precious data!\n"); - - return((int) err); - } - -#ifdef UNIV_LOG_ARCHIVE - srv_normalize_path_for_win(srv_arch_dir); - srv_arch_dir = srv_add_path_separator_if_needed(srv_arch_dir); -#endif /* UNIV_LOG_ARCHIVE */ - - for (i = 0; i < srv_n_log_files; i++) { - err = open_or_create_log_file(create_new_db, &log_file_created, - log_opened, 0, i); - if (err != DB_SUCCESS) { - - return((int) err); - } - - if (log_file_created) { - log_created = TRUE; - } else { - log_opened = TRUE; - } - if ((log_opened && create_new_db) - || (log_opened && log_created)) { - fprintf(stderr, - "InnoDB: Error: all log files must be" - " created at the same time.\n" - "InnoDB: All log files must be" - " created also in database creation.\n" - "InnoDB: If you want bigger or smaller" - " log files, shut down the\n" - "InnoDB: database and make sure there" - " were no errors in shutdown.\n" - "InnoDB: Then delete the existing log files." - " Edit the .cnf file\n" - "InnoDB: and start the database again.\n"); - - return(DB_ERROR); - } - } - - /* Open all log files and data files in the system tablespace: we - keep them open until database shutdown */ - - fil_open_log_and_system_tablespace_files(); - - if (log_created && !create_new_db -#ifdef UNIV_LOG_ARCHIVE - && !srv_archive_recovery -#endif /* UNIV_LOG_ARCHIVE */ - ) { - if (max_flushed_lsn != min_flushed_lsn -#ifdef UNIV_LOG_ARCHIVE - || max_arch_log_no != min_arch_log_no -#endif /* UNIV_LOG_ARCHIVE */ - ) { - fprintf(stderr, - "InnoDB: Cannot initialize created" - " log files because\n" - "InnoDB: data files were not in sync" - " with each other\n" - "InnoDB: or the data files are corrupt.\n"); - - return(DB_ERROR); - } - - if (max_flushed_lsn < (ib_uint64_t) 1000) { - fprintf(stderr, - "InnoDB: Cannot initialize created" - " log files because\n" - "InnoDB: data files are corrupt," - " or new data files were\n" - "InnoDB: created when the database" - " was started previous\n" - "InnoDB: time but the database" - " was not shut down\n" - "InnoDB: normally after that.\n"); - - return(DB_ERROR); - } - - mutex_enter(&(log_sys->mutex)); - -#ifdef UNIV_LOG_ARCHIVE - /* Do not + 1 arch_log_no because we do not use log - archiving */ - recv_reset_logs(max_flushed_lsn, max_arch_log_no, TRUE); -#else - recv_reset_logs(max_flushed_lsn, TRUE); -#endif /* UNIV_LOG_ARCHIVE */ - - mutex_exit(&(log_sys->mutex)); - } - - trx_sys_file_format_init(); - - if (create_new_db) { - mtr_start(&mtr); - fsp_header_init(0, sum_of_new_sizes, &mtr); - - mtr_commit(&mtr); - - trx_sys_create(); - dict_create(); - srv_startup_is_before_trx_rollback_phase = FALSE; - -#ifdef UNIV_LOG_ARCHIVE - } else if (srv_archive_recovery) { - fprintf(stderr, - "InnoDB: Starting archive" - " recovery from a backup...\n"); - err = recv_recovery_from_archive_start( - min_flushed_lsn, srv_archive_recovery_limit_lsn, - min_arch_log_no); - if (err != DB_SUCCESS) { - - return(DB_ERROR); - } - /* Since ibuf init is in dict_boot, and ibuf is needed - in any disk i/o, first call dict_boot */ - - dict_boot(); - trx_sys_init_at_db_start(); - srv_startup_is_before_trx_rollback_phase = FALSE; - - /* Initialize the fsp free limit global variable in the log - system */ - fsp_header_get_free_limit(); - - recv_recovery_from_archive_finish(); -#endif /* UNIV_LOG_ARCHIVE */ - } else { - - /* Check if we support the max format that is stamped - on the system tablespace. - Note: We are NOT allowed to make any modifications to - the TRX_SYS_PAGE_NO page before recovery because this - page also contains the max_trx_id etc. important system - variables that are required for recovery. We need to - ensure that we return the system to a state where normal - recovery is guaranteed to work. We do this by - invalidating the buffer cache, this will force the - reread of the page and restoration to its last known - consistent state, this is REQUIRED for the recovery - process to work. */ - err = trx_sys_file_format_max_check( - srv_check_file_format_at_startup); - - if (err != DB_SUCCESS) { - return(err); - } - - /* Invalidate the buffer pool to ensure that we reread - the page that we read above, during recovery. - Note that this is not as heavy weight as it seems. At - this point there will be only ONE page in the buf_LRU - and there must be no page in the buf_flush list. */ - buf_pool_invalidate(); - - /* We always try to do a recovery, even if the database had - been shut down normally: this is the normal startup path */ - - err = recv_recovery_from_checkpoint_start(LOG_CHECKPOINT, - IB_ULONGLONG_MAX, - min_flushed_lsn, - max_flushed_lsn); - if (err != DB_SUCCESS) { - - return(DB_ERROR); - } - - /* Since the insert buffer init is in dict_boot, and the - insert buffer is needed in any disk i/o, first we call - dict_boot(). Note that trx_sys_init_at_db_start() only needs - to access space 0, and the insert buffer at this stage already - works for space 0. */ - - dict_boot(); - trx_sys_init_at_db_start(); - - /* Initialize the fsp free limit global variable in the log - system */ - fsp_header_get_free_limit(); - - /* recv_recovery_from_checkpoint_finish needs trx lists which - are initialized in trx_sys_init_at_db_start(). */ - - recv_recovery_from_checkpoint_finish(); - if (srv_force_recovery < SRV_FORCE_NO_IBUF_MERGE) { - /* The following call is necessary for the insert - buffer to work with multiple tablespaces. We must - know the mapping between space id's and .ibd file - names. - - In a crash recovery, we check that the info in data - dictionary is consistent with what we already know - about space id's from the call of - fil_load_single_table_tablespaces(). - - In a normal startup, we create the space objects for - every table in the InnoDB data dictionary that has - an .ibd file. - - We also determine the maximum tablespace id used. */ - - dict_check_tablespaces_and_store_max_id( - recv_needed_recovery); - } - - srv_startup_is_before_trx_rollback_phase = FALSE; - recv_recovery_rollback_active(); - - /* It is possible that file_format tag has never - been set. In this case we initialize it to minimum - value. Important to note that we can do it ONLY after - we have finished the recovery process so that the - image of TRX_SYS_PAGE_NO is not stale. */ - trx_sys_file_format_tag_init(); - } - - if (!create_new_db && sum_of_new_sizes > 0) { - /* New data file(s) were added */ - mtr_start(&mtr); - - fsp_header_inc_size(0, sum_of_new_sizes, &mtr); - - mtr_commit(&mtr); - - /* Immediately write the log record about increased tablespace - size to disk, so that it is durable even if mysqld would crash - quickly */ - - log_buffer_flush_to_disk(); - } - -#ifdef UNIV_LOG_ARCHIVE - /* Archiving is always off under MySQL */ - if (!srv_log_archive_on) { - ut_a(DB_SUCCESS == log_archive_noarchivelog()); - } else { - mutex_enter(&(log_sys->mutex)); - - start_archive = FALSE; - - if (log_sys->archiving_state == LOG_ARCH_OFF) { - start_archive = TRUE; - } - - mutex_exit(&(log_sys->mutex)); - - if (start_archive) { - ut_a(DB_SUCCESS == log_archive_archivelog()); - } - } -#endif /* UNIV_LOG_ARCHIVE */ - - /* fprintf(stderr, "Max allowed record size %lu\n", - page_get_free_space_of_empty() / 2); */ - - /* Create the thread which watches the timeouts for lock waits */ - os_thread_create(&srv_lock_timeout_thread, NULL, - thread_ids + 2 + SRV_MAX_N_IO_THREADS); - - /* Create the thread which warns of long semaphore waits */ - os_thread_create(&srv_error_monitor_thread, NULL, - thread_ids + 3 + SRV_MAX_N_IO_THREADS); - - /* Create the thread which prints InnoDB monitor info */ - os_thread_create(&srv_monitor_thread, NULL, - thread_ids + 4 + SRV_MAX_N_IO_THREADS); - - srv_is_being_started = FALSE; - - if (trx_doublewrite == NULL) { - /* Create the doublewrite buffer to a new tablespace */ - - trx_sys_create_doublewrite_buf(); - } - - err = dict_create_or_check_foreign_constraint_tables(); - - if (err != DB_SUCCESS) { - return((int)DB_ERROR); - } - - /* Create the master thread which does purge and other utility - operations */ - - os_thread_create(&srv_master_thread, NULL, thread_ids - + (1 + SRV_MAX_N_IO_THREADS)); -#ifdef UNIV_DEBUG - /* buf_debug_prints = TRUE; */ -#endif /* UNIV_DEBUG */ - sum_of_data_file_sizes = 0; - - for (i = 0; i < srv_n_data_files; i++) { - sum_of_data_file_sizes += srv_data_file_sizes[i]; - } - - tablespace_size_in_header = fsp_header_get_tablespace_size(); - - if (!srv_auto_extend_last_data_file - && sum_of_data_file_sizes != tablespace_size_in_header) { - - fprintf(stderr, - "InnoDB: Error: tablespace size" - " stored in header is %lu pages, but\n" - "InnoDB: the sum of data file sizes is %lu pages\n", - (ulong) tablespace_size_in_header, - (ulong) sum_of_data_file_sizes); - - if (srv_force_recovery == 0 - && sum_of_data_file_sizes < tablespace_size_in_header) { - /* This is a fatal error, the tail of a tablespace is - missing */ - - fprintf(stderr, - "InnoDB: Cannot start InnoDB." - " The tail of the system tablespace is\n" - "InnoDB: missing. Have you edited" - " innodb_data_file_path in my.cnf in an\n" - "InnoDB: inappropriate way, removing" - " ibdata files from there?\n" - "InnoDB: You can set innodb_force_recovery=1" - " in my.cnf to force\n" - "InnoDB: a startup if you are trying" - " to recover a badly corrupt database.\n"); - - return(DB_ERROR); - } - } - - if (srv_auto_extend_last_data_file - && sum_of_data_file_sizes < tablespace_size_in_header) { - - fprintf(stderr, - "InnoDB: Error: tablespace size stored in header" - " is %lu pages, but\n" - "InnoDB: the sum of data file sizes" - " is only %lu pages\n", - (ulong) tablespace_size_in_header, - (ulong) sum_of_data_file_sizes); - - if (srv_force_recovery == 0) { - - fprintf(stderr, - "InnoDB: Cannot start InnoDB. The tail of" - " the system tablespace is\n" - "InnoDB: missing. Have you edited" - " innodb_data_file_path in my.cnf in an\n" - "InnoDB: inappropriate way, removing" - " ibdata files from there?\n" - "InnoDB: You can set innodb_force_recovery=1" - " in my.cnf to force\n" - "InnoDB: a startup if you are trying to" - " recover a badly corrupt database.\n"); - - return(DB_ERROR); - } - } - - /* Check that os_fast_mutexes work as expected */ - os_fast_mutex_init(&srv_os_test_mutex); - - if (0 != os_fast_mutex_trylock(&srv_os_test_mutex)) { - fprintf(stderr, - "InnoDB: Error: pthread_mutex_trylock returns" - " an unexpected value on\n" - "InnoDB: success! Cannot continue.\n"); - exit(1); - } - - os_fast_mutex_unlock(&srv_os_test_mutex); - - os_fast_mutex_lock(&srv_os_test_mutex); - - os_fast_mutex_unlock(&srv_os_test_mutex); - - os_fast_mutex_free(&srv_os_test_mutex); - - if (srv_print_verbose_log) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB %s started; " - "log sequence number %llu\n", - INNODB_VERSION_STR, srv_start_lsn); - } - - if (srv_force_recovery > 0) { - fprintf(stderr, - "InnoDB: !!! innodb_force_recovery" - " is set to %lu !!!\n", - (ulong) srv_force_recovery); - } - - fflush(stderr); - - if (trx_doublewrite_must_reset_space_ids) { - /* Actually, we did not change the undo log format between - 4.0 and 4.1.1, and we would not need to run purge to - completion. Note also that the purge algorithm in 4.1.1 - can process the history list again even after a full - purge, because our algorithm does not cut the end of the - history list in all cases so that it would become empty - after a full purge. That mean that we may purge 4.0 type - undo log even after this phase. - - The insert buffer record format changed between 4.0 and - 4.1.1. It is essential that the insert buffer is emptied - here! */ - - fprintf(stderr, - "InnoDB: You are upgrading to an" - " InnoDB version which allows multiple\n" - "InnoDB: tablespaces. Wait that purge" - " and insert buffer merge run to\n" - "InnoDB: completion...\n"); - for (;;) { - os_thread_sleep(1000000); - - if (0 == strcmp(srv_main_thread_op_info, - "waiting for server activity")) { - - ut_a(ibuf_is_empty()); - - break; - } - } - fprintf(stderr, - "InnoDB: Full purge and insert buffer merge" - " completed.\n"); - - trx_sys_mark_upgraded_to_multiple_tablespaces(); - - fprintf(stderr, - "InnoDB: You have now successfully upgraded" - " to the multiple tablespaces\n" - "InnoDB: format. You should NOT DOWNGRADE" - " to an earlier version of\n" - "InnoDB: InnoDB! But if you absolutely need to" - " downgrade, see\n" - "InnoDB: " REFMAN "multiple-tablespaces.html\n" - "InnoDB: for instructions.\n"); - } - - if (srv_force_recovery == 0) { - /* In the insert buffer we may have even bigger tablespace - id's, because we may have dropped those tablespaces, but - insert buffer merge has not had time to clean the records from - the ibuf tree. */ - - ibuf_update_max_tablespace_id(); - } - - srv_file_per_table = srv_file_per_table_original_value; - - srv_was_started = TRUE; - - return((int) DB_SUCCESS); -} - -/****************************************************************//** -Shuts down the InnoDB database. -@return DB_SUCCESS or error code */ -UNIV_INTERN -int -innobase_shutdown_for_mysql(void) -/*=============================*/ -{ - ulint i; -#ifdef __NETWARE__ - extern ibool panic_shutdown; -#endif - if (!srv_was_started) { - if (srv_is_being_started) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: shutting down" - " a not properly started\n" - "InnoDB: or created database!\n"); - } - - return(DB_SUCCESS); - } - - /* 1. Flush the buffer pool to disk, write the current lsn to - the tablespace header(s), and copy all log data to archive. - The step 1 is the real InnoDB shutdown. The remaining steps 2 - ... - just free data structures after the shutdown. */ - - - if (srv_fast_shutdown == 2) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: MySQL has requested a very fast shutdown" - " without flushing " - "the InnoDB buffer pool to data files." - " At the next mysqld startup " - "InnoDB will do a crash recovery!\n"); - } - -#ifdef __NETWARE__ - if (!panic_shutdown) -#endif - logs_empty_and_mark_files_at_shutdown(); - - if (srv_conc_n_threads != 0) { - fprintf(stderr, - "InnoDB: Warning: query counter shows %ld queries" - " still\n" - "InnoDB: inside InnoDB at shutdown\n", - srv_conc_n_threads); - } - - /* 2. Make all threads created by InnoDB to exit */ - - srv_shutdown_state = SRV_SHUTDOWN_EXIT_THREADS; - - /* In a 'very fast' shutdown, we do not need to wait for these threads - to die; all which counts is that we flushed the log; a 'very fast' - shutdown is essentially a crash. */ - - if (srv_fast_shutdown == 2) { - return(DB_SUCCESS); - } - - /* All threads end up waiting for certain events. Put those events - to the signaled state. Then the threads will exit themselves in - os_thread_event_wait(). */ - - for (i = 0; i < 1000; i++) { - /* NOTE: IF YOU CREATE THREADS IN INNODB, YOU MUST EXIT THEM - HERE OR EARLIER */ - - /* a. Let the lock timeout thread exit */ - os_event_set(srv_lock_timeout_thread_event); - - /* b. srv error monitor thread exits automatically, no need - to do anything here */ - - /* c. We wake the master thread so that it exits */ - srv_wake_master_thread(); - - /* d. Exit the i/o threads */ - - os_aio_wake_all_threads_at_shutdown(); - - os_mutex_enter(os_sync_mutex); - - if (os_thread_count == 0) { - /* All the threads have exited or are just exiting; - NOTE that the threads may not have completed their - exit yet. Should we use pthread_join() to make sure - they have exited? If we did, we would have to - remove the pthread_detach() from - os_thread_exit(). Now we just sleep 0.1 - seconds and hope that is enough! */ - - os_mutex_exit(os_sync_mutex); - - os_thread_sleep(100000); - - break; - } - - os_mutex_exit(os_sync_mutex); - - os_thread_sleep(100000); - } - - if (i == 1000) { - fprintf(stderr, - "InnoDB: Warning: %lu threads created by InnoDB" - " had not exited at shutdown!\n", - (ulong) os_thread_count); - } - - if (srv_monitor_file) { - fclose(srv_monitor_file); - srv_monitor_file = 0; - if (srv_monitor_file_name) { - unlink(srv_monitor_file_name); - mem_free(srv_monitor_file_name); - } - } - if (srv_dict_tmpfile) { - fclose(srv_dict_tmpfile); - srv_dict_tmpfile = 0; - } - - if (srv_misc_tmpfile) { - fclose(srv_misc_tmpfile); - srv_misc_tmpfile = 0; - } - - /* This must be disabled before closing the buffer pool - and closing the data dictionary. */ - btr_search_disable(); - - ibuf_close(); - log_shutdown(); - lock_sys_close(); - thr_local_close(); - trx_sys_file_format_close(); - trx_sys_close(); - - mutex_free(&srv_monitor_file_mutex); - mutex_free(&srv_dict_tmpfile_mutex); - mutex_free(&srv_misc_tmpfile_mutex); - dict_close(); - btr_search_sys_free(); - - /* 3. Free all InnoDB's own mutexes and the os_fast_mutexes inside - them */ - os_aio_free(); - sync_close(); - srv_free(); - fil_close(); - - /* 4. Free the os_conc_mutex and all os_events and os_mutexes */ - - os_sync_free(); - - /* 5. Free all allocated memory */ - - pars_lexer_close(); - log_mem_free(); - buf_pool_free(); - ut_free_all_mem(); - mem_close(); - - if (os_thread_count != 0 - || os_event_count != 0 - || os_mutex_count != 0 - || os_fast_mutex_count != 0) { - fprintf(stderr, - "InnoDB: Warning: some resources were not" - " cleaned up in shutdown:\n" - "InnoDB: threads %lu, events %lu," - " os_mutexes %lu, os_fast_mutexes %lu\n", - (ulong) os_thread_count, (ulong) os_event_count, - (ulong) os_mutex_count, (ulong) os_fast_mutex_count); - } - - if (dict_foreign_err_file) { - fclose(dict_foreign_err_file); - } - if (lock_latest_err_file) { - fclose(lock_latest_err_file); - } - - if (srv_print_verbose_log) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Shutdown completed;" - " log sequence number %llu\n", - srv_shutdown_lsn); - } - - srv_was_started = FALSE; - srv_start_has_been_called = FALSE; - - return((int) DB_SUCCESS); -} - -#ifdef __NETWARE__ -void set_panic_flag_for_netware() -{ - extern ibool panic_shutdown; - panic_shutdown = TRUE; -} -#endif /* __NETWARE__ */ -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/sync/sync0arr.c b/perfschema/sync/sync0arr.c deleted file mode 100644 index ed9e25bf2f2..00000000000 --- a/perfschema/sync/sync0arr.c +++ /dev/null @@ -1,1022 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file sync/sync0arr.c -The wait array used in synchronization primitives - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -#include "sync0arr.h" -#ifdef UNIV_NONINL -#include "sync0arr.ic" -#endif - -#include "sync0sync.h" -#include "sync0rw.h" -#include "os0sync.h" -#include "os0file.h" -#include "srv0srv.h" - -/* - WAIT ARRAY - ========== - -The wait array consists of cells each of which has an -an operating system event object created for it. The threads -waiting for a mutex, for example, can reserve a cell -in the array and suspend themselves to wait for the event -to become signaled. When using the wait array, remember to make -sure that some thread holding the synchronization object -will eventually know that there is a waiter in the array and -signal the object, to prevent infinite wait. -Why we chose to implement a wait array? First, to make -mutexes fast, we had to code our own implementation of them, -which only in usually uncommon cases resorts to using -slow operating system primitives. Then we had the choice of -assigning a unique OS event for each mutex, which would -be simpler, or using a global wait array. In some operating systems, -the global wait array solution is more efficient and flexible, -because we can do with a very small number of OS events, -say 200. In NT 3.51, allocating events seems to be a quadratic -algorithm, because 10 000 events are created fast, but -100 000 events takes a couple of minutes to create. - -As of 5.0.30 the above mentioned design is changed. Since now -OS can handle millions of wait events efficiently, we no longer -have this concept of each cell of wait array having one event. -Instead, now the event that a thread wants to wait on is embedded -in the wait object (mutex or rw_lock). We still keep the global -wait array for the sake of diagnostics and also to avoid infinite -wait The error_monitor thread scans the global wait array to signal -any waiting threads who have missed the signal. */ - -/** A cell where an individual thread may wait suspended -until a resource is released. The suspending is implemented -using an operating system event semaphore. */ -struct sync_cell_struct { - void* wait_object; /*!< pointer to the object the - thread is waiting for; if NULL - the cell is free for use */ - mutex_t* old_wait_mutex; /*!< the latest wait mutex in cell */ - rw_lock_t* old_wait_rw_lock; - /*!< the latest wait rw-lock - in cell */ - ulint request_type; /*!< lock type requested on the - object */ - const char* file; /*!< in debug version file where - requested */ - ulint line; /*!< in debug version line where - requested */ - os_thread_id_t thread; /*!< thread id of this waiting - thread */ - ibool waiting; /*!< TRUE if the thread has already - called sync_array_event_wait - on this cell */ - ib_int64_t signal_count; /*!< We capture the signal_count - of the wait_object when we - reset the event. This value is - then passed on to os_event_wait - and we wait only if the event - has not been signalled in the - period between the reset and - wait call. */ - time_t reservation_time;/*!< time when the thread reserved - the wait cell */ -}; - -/* NOTE: It is allowed for a thread to wait -for an event allocated for the array without owning the -protecting mutex (depending on the case: OS or database mutex), but -all changes (set or reset) to the state of the event must be made -while owning the mutex. */ - -/** Synchronization array */ -struct sync_array_struct { - ulint n_reserved; /*!< number of currently reserved - cells in the wait array */ - ulint n_cells; /*!< number of cells in the - wait array */ - sync_cell_t* array; /*!< pointer to wait array */ - ulint protection; /*!< this flag tells which - mutex protects the data */ - mutex_t mutex; /*!< possible database mutex - protecting this data structure */ - os_mutex_t os_mutex; /*!< Possible operating system mutex - protecting the data structure. - As this data structure is used in - constructing the database mutex, - to prevent infinite recursion - in implementation, we fall back to - an OS mutex. */ - ulint sg_count; /*!< count of how many times an - object has been signalled */ - ulint res_count; /*!< count of cell reservations - since creation of the array */ -}; - -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -This function is called only in the debug version. Detects a deadlock -of one or more threads because of waits of semaphores. -@return TRUE if deadlock detected */ -static -ibool -sync_array_detect_deadlock( -/*=======================*/ - sync_array_t* arr, /*!< in: wait array; NOTE! the caller must - own the mutex to array */ - sync_cell_t* start, /*!< in: cell where recursive search started */ - sync_cell_t* cell, /*!< in: cell to search */ - ulint depth); /*!< in: recursion depth */ -#endif /* UNIV_SYNC_DEBUG */ - -/*****************************************************************//** -Gets the nth cell in array. -@return cell */ -static -sync_cell_t* -sync_array_get_nth_cell( -/*====================*/ - sync_array_t* arr, /*!< in: sync array */ - ulint n) /*!< in: index */ -{ - ut_a(arr); - ut_a(n < arr->n_cells); - - return(arr->array + n); -} - -/******************************************************************//** -Reserves the mutex semaphore protecting a sync array. */ -static -void -sync_array_enter( -/*=============*/ - sync_array_t* arr) /*!< in: sync wait array */ -{ - ulint protection; - - protection = arr->protection; - - if (protection == SYNC_ARRAY_OS_MUTEX) { - os_mutex_enter(arr->os_mutex); - } else if (protection == SYNC_ARRAY_MUTEX) { - mutex_enter(&(arr->mutex)); - } else { - ut_error; - } -} - -/******************************************************************//** -Releases the mutex semaphore protecting a sync array. */ -static -void -sync_array_exit( -/*============*/ - sync_array_t* arr) /*!< in: sync wait array */ -{ - ulint protection; - - protection = arr->protection; - - if (protection == SYNC_ARRAY_OS_MUTEX) { - os_mutex_exit(arr->os_mutex); - } else if (protection == SYNC_ARRAY_MUTEX) { - mutex_exit(&(arr->mutex)); - } else { - ut_error; - } -} - -/*******************************************************************//** -Creates a synchronization wait array. It is protected by a mutex -which is automatically reserved when the functions operating on it -are called. -@return own: created wait array */ -UNIV_INTERN -sync_array_t* -sync_array_create( -/*==============*/ - ulint n_cells, /*!< in: number of cells in the array - to create */ - ulint protection) /*!< in: either SYNC_ARRAY_OS_MUTEX or - SYNC_ARRAY_MUTEX: determines the type - of mutex protecting the data structure */ -{ - ulint sz; - sync_array_t* arr; - - ut_a(n_cells > 0); - - /* Allocate memory for the data structures */ - arr = ut_malloc(sizeof(sync_array_t)); - memset(arr, 0x0, sizeof(*arr)); - - sz = sizeof(sync_cell_t) * n_cells; - arr->array = ut_malloc(sz); - memset(arr->array, 0x0, sz); - - arr->n_cells = n_cells; - arr->protection = protection; - - /* Then create the mutex to protect the wait array complex */ - if (protection == SYNC_ARRAY_OS_MUTEX) { - arr->os_mutex = os_mutex_create(NULL); - } else if (protection == SYNC_ARRAY_MUTEX) { - mutex_create(&arr->mutex, SYNC_NO_ORDER_CHECK); - } else { - ut_error; - } - - return(arr); -} - -/******************************************************************//** -Frees the resources in a wait array. */ -UNIV_INTERN -void -sync_array_free( -/*============*/ - sync_array_t* arr) /*!< in, own: sync wait array */ -{ - ulint protection; - - ut_a(arr->n_reserved == 0); - - sync_array_validate(arr); - - protection = arr->protection; - - /* Release the mutex protecting the wait array complex */ - - if (protection == SYNC_ARRAY_OS_MUTEX) { - os_mutex_free(arr->os_mutex); - } else if (protection == SYNC_ARRAY_MUTEX) { - mutex_free(&(arr->mutex)); - } else { - ut_error; - } - - ut_free(arr->array); - ut_free(arr); -} - -/********************************************************************//** -Validates the integrity of the wait array. Checks -that the number of reserved cells equals the count variable. */ -UNIV_INTERN -void -sync_array_validate( -/*================*/ - sync_array_t* arr) /*!< in: sync wait array */ -{ - ulint i; - sync_cell_t* cell; - ulint count = 0; - - sync_array_enter(arr); - - for (i = 0; i < arr->n_cells; i++) { - cell = sync_array_get_nth_cell(arr, i); - if (cell->wait_object != NULL) { - count++; - } - } - - ut_a(count == arr->n_reserved); - - sync_array_exit(arr); -} - -/*******************************************************************//** -Returns the event that the thread owning the cell waits for. */ -static -os_event_t -sync_cell_get_event( -/*================*/ - sync_cell_t* cell) /*!< in: non-empty sync array cell */ -{ - ulint type = cell->request_type; - - if (type == SYNC_MUTEX) { - return(((mutex_t *) cell->wait_object)->event); - } else if (type == RW_LOCK_WAIT_EX) { - return(((rw_lock_t *) cell->wait_object)->wait_ex_event); - } else { /* RW_LOCK_SHARED and RW_LOCK_EX wait on the same event */ - return(((rw_lock_t *) cell->wait_object)->event); - } -} - -/******************************************************************//** -Reserves a wait array cell for waiting for an object. -The event of the cell is reset to nonsignalled state. */ -UNIV_INTERN -void -sync_array_reserve_cell( -/*====================*/ - sync_array_t* arr, /*!< in: wait array */ - void* object, /*!< in: pointer to the object to wait for */ - ulint type, /*!< in: lock request type */ - const char* file, /*!< in: file where requested */ - ulint line, /*!< in: line where requested */ - ulint* index) /*!< out: index of the reserved cell */ -{ - sync_cell_t* cell; - os_event_t event; - ulint i; - - ut_a(object); - ut_a(index); - - sync_array_enter(arr); - - arr->res_count++; - - /* Reserve a new cell. */ - for (i = 0; i < arr->n_cells; i++) { - cell = sync_array_get_nth_cell(arr, i); - - if (cell->wait_object == NULL) { - - cell->waiting = FALSE; - cell->wait_object = object; - - if (type == SYNC_MUTEX) { - cell->old_wait_mutex = object; - } else { - cell->old_wait_rw_lock = object; - } - - cell->request_type = type; - - cell->file = file; - cell->line = line; - - arr->n_reserved++; - - *index = i; - - sync_array_exit(arr); - - /* Make sure the event is reset and also store - the value of signal_count at which the event - was reset. */ - event = sync_cell_get_event(cell); - cell->signal_count = os_event_reset(event); - - cell->reservation_time = time(NULL); - - cell->thread = os_thread_get_curr_id(); - - return; - } - } - - ut_error; /* No free cell found */ - - return; -} - -/******************************************************************//** -This function should be called when a thread starts to wait on -a wait array cell. In the debug version this function checks -if the wait for a semaphore will result in a deadlock, in which -case prints info and asserts. */ -UNIV_INTERN -void -sync_array_wait_event( -/*==================*/ - sync_array_t* arr, /*!< in: wait array */ - ulint index) /*!< in: index of the reserved cell */ -{ - sync_cell_t* cell; - os_event_t event; - - ut_a(arr); - - sync_array_enter(arr); - - cell = sync_array_get_nth_cell(arr, index); - - ut_a(cell->wait_object); - ut_a(!cell->waiting); - ut_ad(os_thread_get_curr_id() == cell->thread); - - event = sync_cell_get_event(cell); - cell->waiting = TRUE; - -#ifdef UNIV_SYNC_DEBUG - - /* We use simple enter to the mutex below, because if - we cannot acquire it at once, mutex_enter would call - recursively sync_array routines, leading to trouble. - rw_lock_debug_mutex freezes the debug lists. */ - - rw_lock_debug_mutex_enter(); - - if (TRUE == sync_array_detect_deadlock(arr, cell, cell, 0)) { - - fputs("########################################\n", stderr); - ut_error; - } - - rw_lock_debug_mutex_exit(); -#endif - sync_array_exit(arr); - - os_event_wait_low(event, cell->signal_count); - - sync_array_free_cell(arr, index); -} - -/******************************************************************//** -Reports info of a wait array cell. */ -static -void -sync_array_cell_print( -/*==================*/ - FILE* file, /*!< in: file where to print */ - sync_cell_t* cell) /*!< in: sync cell */ -{ - mutex_t* mutex; - rw_lock_t* rwlock; - ulint type; - ulint writer; - - type = cell->request_type; - - fprintf(file, - "--Thread %lu has waited at %s line %lu" - " for %.2f seconds the semaphore:\n", - (ulong) os_thread_pf(cell->thread), cell->file, - (ulong) cell->line, - difftime(time(NULL), cell->reservation_time)); - - if (type == SYNC_MUTEX) { - /* We use old_wait_mutex in case the cell has already - been freed meanwhile */ - mutex = cell->old_wait_mutex; - - fprintf(file, - "Mutex at %p created file %s line %lu, lock var %lu\n" -#ifdef UNIV_SYNC_DEBUG - "Last time reserved in file %s line %lu, " -#endif /* UNIV_SYNC_DEBUG */ - "waiters flag %lu\n", - (void*) mutex, mutex->cfile_name, (ulong) mutex->cline, - (ulong) mutex->lock_word, -#ifdef UNIV_SYNC_DEBUG - mutex->file_name, (ulong) mutex->line, -#endif /* UNIV_SYNC_DEBUG */ - (ulong) mutex->waiters); - - } else if (type == RW_LOCK_EX - || type == RW_LOCK_WAIT_EX - || type == RW_LOCK_SHARED) { - - fputs(type == RW_LOCK_EX ? "X-lock on" : "S-lock on", file); - - rwlock = cell->old_wait_rw_lock; - - fprintf(file, - " RW-latch at %p created in file %s line %lu\n", - (void*) rwlock, rwlock->cfile_name, - (ulong) rwlock->cline); - writer = rw_lock_get_writer(rwlock); - if (writer != RW_LOCK_NOT_LOCKED) { - fprintf(file, - "a writer (thread id %lu) has" - " reserved it in mode %s", - (ulong) os_thread_pf(rwlock->writer_thread), - writer == RW_LOCK_EX - ? " exclusive\n" - : " wait exclusive\n"); - } - - fprintf(file, - "number of readers %lu, waiters flag %lu, " - "lock_word: %lx\n" - "Last time read locked in file %s line %lu\n" - "Last time write locked in file %s line %lu\n", - (ulong) rw_lock_get_reader_count(rwlock), - (ulong) rwlock->waiters, - rwlock->lock_word, - rwlock->last_s_file_name, - (ulong) rwlock->last_s_line, - rwlock->last_x_file_name, - (ulong) rwlock->last_x_line); - } else { - ut_error; - } - - if (!cell->waiting) { - fputs("wait has ended\n", file); - } -} - -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Looks for a cell with the given thread id. -@return pointer to cell or NULL if not found */ -static -sync_cell_t* -sync_array_find_thread( -/*===================*/ - sync_array_t* arr, /*!< in: wait array */ - os_thread_id_t thread) /*!< in: thread id */ -{ - ulint i; - sync_cell_t* cell; - - for (i = 0; i < arr->n_cells; i++) { - - cell = sync_array_get_nth_cell(arr, i); - - if (cell->wait_object != NULL - && os_thread_eq(cell->thread, thread)) { - - return(cell); /* Found */ - } - } - - return(NULL); /* Not found */ -} - -/******************************************************************//** -Recursion step for deadlock detection. -@return TRUE if deadlock detected */ -static -ibool -sync_array_deadlock_step( -/*=====================*/ - sync_array_t* arr, /*!< in: wait array; NOTE! the caller must - own the mutex to array */ - sync_cell_t* start, /*!< in: cell where recursive search - started */ - os_thread_id_t thread, /*!< in: thread to look at */ - ulint pass, /*!< in: pass value */ - ulint depth) /*!< in: recursion depth */ -{ - sync_cell_t* new; - ibool ret; - - depth++; - - if (pass != 0) { - /* If pass != 0, then we do not know which threads are - responsible of releasing the lock, and no deadlock can - be detected. */ - - return(FALSE); - } - - new = sync_array_find_thread(arr, thread); - - if (new == start) { - /* Stop running of other threads */ - - ut_dbg_stop_threads = TRUE; - - /* Deadlock */ - fputs("########################################\n" - "DEADLOCK of threads detected!\n", stderr); - - return(TRUE); - - } else if (new) { - ret = sync_array_detect_deadlock(arr, start, new, depth); - - if (ret) { - return(TRUE); - } - } - return(FALSE); -} - -/******************************************************************//** -This function is called only in the debug version. Detects a deadlock -of one or more threads because of waits of semaphores. -@return TRUE if deadlock detected */ -static -ibool -sync_array_detect_deadlock( -/*=======================*/ - sync_array_t* arr, /*!< in: wait array; NOTE! the caller must - own the mutex to array */ - sync_cell_t* start, /*!< in: cell where recursive search started */ - sync_cell_t* cell, /*!< in: cell to search */ - ulint depth) /*!< in: recursion depth */ -{ - mutex_t* mutex; - rw_lock_t* lock; - os_thread_id_t thread; - ibool ret; - rw_lock_debug_t*debug; - - ut_a(arr); - ut_a(start); - ut_a(cell); - ut_ad(cell->wait_object); - ut_ad(os_thread_get_curr_id() == start->thread); - ut_ad(depth < 100); - - depth++; - - if (!cell->waiting) { - - return(FALSE); /* No deadlock here */ - } - - if (cell->request_type == SYNC_MUTEX) { - - mutex = cell->wait_object; - - if (mutex_get_lock_word(mutex) != 0) { - - thread = mutex->thread_id; - - /* Note that mutex->thread_id above may be - also OS_THREAD_ID_UNDEFINED, because the - thread which held the mutex maybe has not - yet updated the value, or it has already - released the mutex: in this case no deadlock - can occur, as the wait array cannot contain - a thread with ID_UNDEFINED value. */ - - ret = sync_array_deadlock_step(arr, start, thread, 0, - depth); - if (ret) { - fprintf(stderr, - "Mutex %p owned by thread %lu file %s line %lu\n", - mutex, (ulong) os_thread_pf(mutex->thread_id), - mutex->file_name, (ulong) mutex->line); - sync_array_cell_print(stderr, cell); - - return(TRUE); - } - } - - return(FALSE); /* No deadlock */ - - } else if (cell->request_type == RW_LOCK_EX - || cell->request_type == RW_LOCK_WAIT_EX) { - - lock = cell->wait_object; - - debug = UT_LIST_GET_FIRST(lock->debug_list); - - while (debug != NULL) { - - thread = debug->thread_id; - - if (((debug->lock_type == RW_LOCK_EX) - && !os_thread_eq(thread, cell->thread)) - || ((debug->lock_type == RW_LOCK_WAIT_EX) - && !os_thread_eq(thread, cell->thread)) - || (debug->lock_type == RW_LOCK_SHARED)) { - - /* The (wait) x-lock request can block - infinitely only if someone (can be also cell - thread) is holding s-lock, or someone - (cannot be cell thread) (wait) x-lock, and - he is blocked by start thread */ - - ret = sync_array_deadlock_step( - arr, start, thread, debug->pass, - depth); - if (ret) { -print: - fprintf(stderr, "rw-lock %p ", - (void*) lock); - sync_array_cell_print(stderr, cell); - rw_lock_debug_print(debug); - return(TRUE); - } - } - - debug = UT_LIST_GET_NEXT(list, debug); - } - - return(FALSE); - - } else if (cell->request_type == RW_LOCK_SHARED) { - - lock = cell->wait_object; - debug = UT_LIST_GET_FIRST(lock->debug_list); - - while (debug != NULL) { - - thread = debug->thread_id; - - if ((debug->lock_type == RW_LOCK_EX) - || (debug->lock_type == RW_LOCK_WAIT_EX)) { - - /* The s-lock request can block infinitely - only if someone (can also be cell thread) is - holding (wait) x-lock, and he is blocked by - start thread */ - - ret = sync_array_deadlock_step( - arr, start, thread, debug->pass, - depth); - if (ret) { - goto print; - } - } - - debug = UT_LIST_GET_NEXT(list, debug); - } - - return(FALSE); - - } else { - ut_error; - } - - return(TRUE); /* Execution never reaches this line: for compiler - fooling only */ -} -#endif /* UNIV_SYNC_DEBUG */ - -/******************************************************************//** -Determines if we can wake up the thread waiting for a sempahore. */ -static -ibool -sync_arr_cell_can_wake_up( -/*======================*/ - sync_cell_t* cell) /*!< in: cell to search */ -{ - mutex_t* mutex; - rw_lock_t* lock; - - if (cell->request_type == SYNC_MUTEX) { - - mutex = cell->wait_object; - - if (mutex_get_lock_word(mutex) == 0) { - - return(TRUE); - } - - } else if (cell->request_type == RW_LOCK_EX) { - - lock = cell->wait_object; - - if (lock->lock_word > 0) { - /* Either unlocked or only read locked. */ - - return(TRUE); - } - - } else if (cell->request_type == RW_LOCK_WAIT_EX) { - - lock = cell->wait_object; - - /* lock_word == 0 means all readers have left */ - if (lock->lock_word == 0) { - - return(TRUE); - } - } else if (cell->request_type == RW_LOCK_SHARED) { - lock = cell->wait_object; - - /* lock_word > 0 means no writer or reserved writer */ - if (lock->lock_word > 0) { - - return(TRUE); - } - } - - return(FALSE); -} - -/******************************************************************//** -Frees the cell. NOTE! sync_array_wait_event frees the cell -automatically! */ -UNIV_INTERN -void -sync_array_free_cell( -/*=================*/ - sync_array_t* arr, /*!< in: wait array */ - ulint index) /*!< in: index of the cell in array */ -{ - sync_cell_t* cell; - - sync_array_enter(arr); - - cell = sync_array_get_nth_cell(arr, index); - - ut_a(cell->wait_object != NULL); - - cell->waiting = FALSE; - cell->wait_object = NULL; - cell->signal_count = 0; - - ut_a(arr->n_reserved > 0); - arr->n_reserved--; - - sync_array_exit(arr); -} - -/**********************************************************************//** -Increments the signalled count. */ -UNIV_INTERN -void -sync_array_object_signalled( -/*========================*/ - sync_array_t* arr) /*!< in: wait array */ -{ -#ifdef HAVE_ATOMIC_BUILTINS - (void) os_atomic_increment_ulint(&arr->sg_count, 1); -#else - sync_array_enter(arr); - - arr->sg_count++; - - sync_array_exit(arr); -#endif -} - -/**********************************************************************//** -If the wakeup algorithm does not work perfectly at semaphore relases, -this function will do the waking (see the comment in mutex_exit). This -function should be called about every 1 second in the server. - -Note that there's a race condition between this thread and mutex_exit -changing the lock_word and calling signal_object, so sometimes this finds -threads to wake up even when nothing has gone wrong. */ -UNIV_INTERN -void -sync_arr_wake_threads_if_sema_free(void) -/*====================================*/ -{ - sync_array_t* arr = sync_primary_wait_array; - sync_cell_t* cell; - ulint count; - ulint i; - os_event_t event; - - sync_array_enter(arr); - - i = 0; - count = 0; - - while (count < arr->n_reserved) { - - cell = sync_array_get_nth_cell(arr, i); - i++; - - if (cell->wait_object == NULL) { - continue; - } - count++; - - if (sync_arr_cell_can_wake_up(cell)) { - - event = sync_cell_get_event(cell); - - os_event_set(event); - } - - } - - sync_array_exit(arr); -} - -/**********************************************************************//** -Prints warnings of long semaphore waits to stderr. -@return TRUE if fatal semaphore wait threshold was exceeded */ -UNIV_INTERN -ibool -sync_array_print_long_waits(void) -/*=============================*/ -{ - sync_cell_t* cell; - ibool old_val; - ibool noticed = FALSE; - ulint i; - ulint fatal_timeout = srv_fatal_semaphore_wait_threshold; - ibool fatal = FALSE; - - for (i = 0; i < sync_primary_wait_array->n_cells; i++) { - - cell = sync_array_get_nth_cell(sync_primary_wait_array, i); - - if (cell->wait_object != NULL && cell->waiting - && difftime(time(NULL), cell->reservation_time) > 240) { - fputs("InnoDB: Warning: a long semaphore wait:\n", - stderr); - sync_array_cell_print(stderr, cell); - noticed = TRUE; - } - - if (cell->wait_object != NULL && cell->waiting - && difftime(time(NULL), cell->reservation_time) - > fatal_timeout) { - fatal = TRUE; - } - } - - if (noticed) { - fprintf(stderr, - "InnoDB: ###### Starts InnoDB Monitor" - " for 30 secs to print diagnostic info:\n"); - old_val = srv_print_innodb_monitor; - - /* If some crucial semaphore is reserved, then also the InnoDB - Monitor can hang, and we do not get diagnostics. Since in - many cases an InnoDB hang is caused by a pwrite() or a pread() - call hanging inside the operating system, let us print right - now the values of pending calls of these. */ - - fprintf(stderr, - "InnoDB: Pending preads %lu, pwrites %lu\n", - (ulong)os_file_n_pending_preads, - (ulong)os_file_n_pending_pwrites); - - srv_print_innodb_monitor = TRUE; - os_event_set(srv_lock_timeout_thread_event); - - os_thread_sleep(30000000); - - srv_print_innodb_monitor = old_val; - fprintf(stderr, - "InnoDB: ###### Diagnostic info printed" - " to the standard error stream\n"); - } - - return(fatal); -} - -/**********************************************************************//** -Prints info of the wait array. */ -static -void -sync_array_output_info( -/*===================*/ - FILE* file, /*!< in: file where to print */ - sync_array_t* arr) /*!< in: wait array; NOTE! caller must own the - mutex */ -{ - sync_cell_t* cell; - ulint count; - ulint i; - - fprintf(file, - "OS WAIT ARRAY INFO: reservation count %ld, signal count %ld\n", - (long) arr->res_count, (long) arr->sg_count); - i = 0; - count = 0; - - while (count < arr->n_reserved) { - - cell = sync_array_get_nth_cell(arr, i); - - if (cell->wait_object != NULL) { - count++; - sync_array_cell_print(file, cell); - } - - i++; - } -} - -/**********************************************************************//** -Prints info of the wait array. */ -UNIV_INTERN -void -sync_array_print_info( -/*==================*/ - FILE* file, /*!< in: file where to print */ - sync_array_t* arr) /*!< in: wait array */ -{ - sync_array_enter(arr); - - sync_array_output_info(file, arr); - - sync_array_exit(arr); -} diff --git a/perfschema/sync/sync0rw.c b/perfschema/sync/sync0rw.c deleted file mode 100644 index d231b6acdf7..00000000000 --- a/perfschema/sync/sync0rw.c +++ /dev/null @@ -1,1042 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file sync/sync0rw.c -The read-write lock (for thread synchronization) - -Created 9/11/1995 Heikki Tuuri -*******************************************************/ - -#include "sync0rw.h" -#ifdef UNIV_NONINL -#include "sync0rw.ic" -#endif - -#include "os0thread.h" -#include "mem0mem.h" -#include "srv0srv.h" -#include "os0sync.h" /* for INNODB_RW_LOCKS_USE_ATOMICS */ - -/* - IMPLEMENTATION OF THE RW_LOCK - ============================= -The status of a rw_lock is held in lock_word. The initial value of lock_word is -X_LOCK_DECR. lock_word is decremented by 1 for each s-lock and by X_LOCK_DECR -for each x-lock. This describes the lock state for each value of lock_word: - -lock_word == X_LOCK_DECR: Unlocked. -0 < lock_word < X_LOCK_DECR: Read locked, no waiting writers. - (X_LOCK_DECR - lock_word) is the - number of readers that hold the lock. -lock_word == 0: Write locked --X_LOCK_DECR < lock_word < 0: Read locked, with a waiting writer. - (-lock_word) is the number of readers - that hold the lock. -lock_word <= -X_LOCK_DECR: Recursively write locked. lock_word has been - decremented by X_LOCK_DECR once for each lock, - so the number of locks is: - ((-lock_word) / X_LOCK_DECR) + 1 -When lock_word <= -X_LOCK_DECR, we also know that lock_word % X_LOCK_DECR == 0: -other values of lock_word are invalid. - -The lock_word is always read and updated atomically and consistently, so that -it always represents the state of the lock, and the state of the lock changes -with a single atomic operation. This lock_word holds all of the information -that a thread needs in order to determine if it is eligible to gain the lock -or if it must spin or sleep. The one exception to this is that writer_thread -must be verified before recursive write locks: to solve this scenario, we make -writer_thread readable by all threads, but only writeable by the x-lock holder. - -The other members of the lock obey the following rules to remain consistent: - -recursive: This and the writer_thread field together control the - behaviour of recursive x-locking. - lock->recursive must be FALSE in following states: - 1) The writer_thread contains garbage i.e.: the - lock has just been initialized. - 2) The lock is not x-held and there is no - x-waiter waiting on WAIT_EX event. - 3) The lock is x-held or there is an x-waiter - waiting on WAIT_EX event but the 'pass' value - is non-zero. - lock->recursive is TRUE iff: - 1) The lock is x-held or there is an x-waiter - waiting on WAIT_EX event and the 'pass' value - is zero. - This flag must be set after the writer_thread field - has been updated with a memory ordering barrier. - It is unset before the lock_word has been incremented. -writer_thread: Is used only in recursive x-locking. Can only be safely - read iff lock->recursive flag is TRUE. - This field is uninitialized at lock creation time and - is updated atomically when x-lock is acquired or when - move_ownership is called. A thread is only allowed to - set the value of this field to it's thread_id i.e.: a - thread cannot set writer_thread to some other thread's - id. -waiters: May be set to 1 anytime, but to avoid unnecessary wake-up - signals, it should only be set to 1 when there are threads - waiting on event. Must be 1 when a writer starts waiting to - ensure the current x-locking thread sends a wake-up signal - during unlock. May only be reset to 0 immediately before a - a wake-up signal is sent to event. On most platforms, a - memory barrier is required after waiters is set, and before - verifying lock_word is still held, to ensure some unlocker - really does see the flags new value. -event: Threads wait on event for read or writer lock when another - thread has an x-lock or an x-lock reservation (wait_ex). A - thread may only wait on event after performing the following - actions in order: - (1) Record the counter value of event (with os_event_reset). - (2) Set waiters to 1. - (3) Verify lock_word <= 0. - (1) must come before (2) to ensure signal is not missed. - (2) must come before (3) to ensure a signal is sent. - These restrictions force the above ordering. - Immediately before sending the wake-up signal, we should: - (1) Verify lock_word == X_LOCK_DECR (unlocked) - (2) Reset waiters to 0. -wait_ex_event: A thread may only wait on the wait_ex_event after it has - performed the following actions in order: - (1) Decrement lock_word by X_LOCK_DECR. - (2) Record counter value of wait_ex_event (os_event_reset, - called from sync_array_reserve_cell). - (3) Verify that lock_word < 0. - (1) must come first to ensures no other threads become reader - or next writer, and notifies unlocker that signal must be sent. - (2) must come before (3) to ensure the signal is not missed. - These restrictions force the above ordering. - Immediately before sending the wake-up signal, we should: - Verify lock_word == 0 (waiting thread holds x_lock) -*/ - - -/** number of spin waits on rw-latches, -resulted during shared (read) locks */ -UNIV_INTERN ib_int64_t rw_s_spin_wait_count = 0; -/** number of spin loop rounds on rw-latches, -resulted during shared (read) locks */ -UNIV_INTERN ib_int64_t rw_s_spin_round_count = 0; - -/** number of OS waits on rw-latches, -resulted during shared (read) locks */ -UNIV_INTERN ib_int64_t rw_s_os_wait_count = 0; - -/** number of unlocks (that unlock shared locks), -set only when UNIV_SYNC_PERF_STAT is defined */ -UNIV_INTERN ib_int64_t rw_s_exit_count = 0; - -/** number of spin waits on rw-latches, -resulted during exclusive (write) locks */ -UNIV_INTERN ib_int64_t rw_x_spin_wait_count = 0; -/** number of spin loop rounds on rw-latches, -resulted during exclusive (write) locks */ -UNIV_INTERN ib_int64_t rw_x_spin_round_count = 0; - -/** number of OS waits on rw-latches, -resulted during exclusive (write) locks */ -UNIV_INTERN ib_int64_t rw_x_os_wait_count = 0; - -/** number of unlocks (that unlock exclusive locks), -set only when UNIV_SYNC_PERF_STAT is defined */ -UNIV_INTERN ib_int64_t rw_x_exit_count = 0; - -/* The global list of rw-locks */ -UNIV_INTERN rw_lock_list_t rw_lock_list; -UNIV_INTERN mutex_t rw_lock_list_mutex; - -#ifdef UNIV_SYNC_DEBUG -/* The global mutex which protects debug info lists of all rw-locks. -To modify the debug info list of an rw-lock, this mutex has to be -acquired in addition to the mutex protecting the lock. */ - -UNIV_INTERN mutex_t rw_lock_debug_mutex; -/* If deadlock detection does not get immediately the mutex, -it may wait for this event */ -UNIV_INTERN os_event_t rw_lock_debug_event; -/* This is set to TRUE, if there may be waiters for the event */ -UNIV_INTERN ibool rw_lock_debug_waiters; - -/******************************************************************//** -Creates a debug info struct. */ -static -rw_lock_debug_t* -rw_lock_debug_create(void); -/*======================*/ -/******************************************************************//** -Frees a debug info struct. */ -static -void -rw_lock_debug_free( -/*===============*/ - rw_lock_debug_t* info); - -/******************************************************************//** -Creates a debug info struct. -@return own: debug info struct */ -static -rw_lock_debug_t* -rw_lock_debug_create(void) -/*======================*/ -{ - return((rw_lock_debug_t*) mem_alloc(sizeof(rw_lock_debug_t))); -} - -/******************************************************************//** -Frees a debug info struct. */ -static -void -rw_lock_debug_free( -/*===============*/ - rw_lock_debug_t* info) -{ - mem_free(info); -} -#endif /* UNIV_SYNC_DEBUG */ - -/******************************************************************//** -Creates, or rather, initializes an rw-lock object in a specified memory -location (which must be appropriately aligned). The rw-lock is initialized -to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free -is necessary only if the memory block containing it is freed. */ -UNIV_INTERN -void -rw_lock_create_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to memory */ -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG - ulint level, /*!< in: level */ -# endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /*!< in: mutex name */ -#endif /* UNIV_DEBUG */ - const char* cfile_name, /*!< in: file name where created */ - ulint cline) /*!< in: file line where created */ -{ - /* If this is the very first time a synchronization object is - created, then the following call initializes the sync system. */ - -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK); - - lock->mutex.cfile_name = cfile_name; - lock->mutex.cline = cline; - - ut_d(lock->mutex.cmutex_name = cmutex_name); - ut_d(lock->mutex.mutex_type = 1); -#else /* INNODB_RW_LOCKS_USE_ATOMICS */ -# ifdef UNIV_DEBUG - UT_NOT_USED(cmutex_name); -# endif -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ - - lock->lock_word = X_LOCK_DECR; - lock->waiters = 0; - - /* We set this value to signify that lock->writer_thread - contains garbage at initialization and cannot be used for - recursive x-locking. */ - lock->recursive = FALSE; - -#ifdef UNIV_SYNC_DEBUG - UT_LIST_INIT(lock->debug_list); - - lock->level = level; -#endif /* UNIV_SYNC_DEBUG */ - - lock->magic_n = RW_LOCK_MAGIC_N; - - lock->cfile_name = cfile_name; - lock->cline = (unsigned int) cline; - - lock->count_os_wait = 0; - lock->last_s_file_name = "not yet reserved"; - lock->last_x_file_name = "not yet reserved"; - lock->last_s_line = 0; - lock->last_x_line = 0; - lock->event = os_event_create(NULL); - lock->wait_ex_event = os_event_create(NULL); - - mutex_enter(&rw_lock_list_mutex); - - if (UT_LIST_GET_LEN(rw_lock_list) > 0) { - ut_a(UT_LIST_GET_FIRST(rw_lock_list)->magic_n - == RW_LOCK_MAGIC_N); - } - - UT_LIST_ADD_FIRST(list, rw_lock_list, lock); - - mutex_exit(&rw_lock_list_mutex); -} - -/******************************************************************//** -Calling this function is obligatory only if the memory buffer containing -the rw-lock is freed. Removes an rw-lock object from the global list. The -rw-lock is checked to be in the non-locked state. */ -UNIV_INTERN -void -rw_lock_free( -/*=========*/ - rw_lock_t* lock) /*!< in: rw-lock */ -{ - ut_ad(rw_lock_validate(lock)); - ut_a(lock->lock_word == X_LOCK_DECR); - - lock->magic_n = 0; - -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_free(rw_lock_get_mutex(lock)); -#endif /* INNODB_RW_LOCKS_USE_ATOMICS */ - - mutex_enter(&rw_lock_list_mutex); - os_event_free(lock->event); - - os_event_free(lock->wait_ex_event); - - if (UT_LIST_GET_PREV(list, lock)) { - ut_a(UT_LIST_GET_PREV(list, lock)->magic_n == RW_LOCK_MAGIC_N); - } - if (UT_LIST_GET_NEXT(list, lock)) { - ut_a(UT_LIST_GET_NEXT(list, lock)->magic_n == RW_LOCK_MAGIC_N); - } - - UT_LIST_REMOVE(list, rw_lock_list, lock); - - mutex_exit(&rw_lock_list_mutex); -} - -#ifdef UNIV_DEBUG -/******************************************************************//** -Checks that the rw-lock has been initialized and that there are no -simultaneous shared and exclusive locks. -@return TRUE */ -UNIV_INTERN -ibool -rw_lock_validate( -/*=============*/ - rw_lock_t* lock) /*!< in: rw-lock */ -{ - ut_a(lock); - - ulint waiters = rw_lock_get_waiters(lock); - lint lock_word = lock->lock_word; - - ut_a(lock->magic_n == RW_LOCK_MAGIC_N); - ut_a(waiters == 0 || waiters == 1); - ut_a(lock_word > -X_LOCK_DECR ||(-lock_word) % X_LOCK_DECR == 0); - - return(TRUE); -} -#endif /* UNIV_DEBUG */ - -/******************************************************************//** -Lock an rw-lock in shared mode for the current thread. If the rw-lock is -locked in exclusive mode, or there is an exclusive lock request waiting, -the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting -for the lock, before suspending the thread. */ -UNIV_INTERN -void -rw_lock_s_lock_spin( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock - will be passed to another thread to unlock */ - const char* file_name, /*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - ulint index; /* index of the reserved wait cell */ - ulint i = 0; /* spin round count */ - - ut_ad(rw_lock_validate(lock)); - - rw_s_spin_wait_count++; /*!< Count calls to this function */ -lock_loop: - - /* Spin waiting for the writer field to become free */ - while (i < SYNC_SPIN_ROUNDS && lock->lock_word <= 0) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); - } - - i++; - } - - if (i == SYNC_SPIN_ROUNDS) { - os_thread_yield(); - } - - if (srv_print_latch_waits) { - fprintf(stderr, - "Thread %lu spin wait rw-s-lock at %p" - " cfile %s cline %lu rnds %lu\n", - (ulong) os_thread_pf(os_thread_get_curr_id()), - (void*) lock, - lock->cfile_name, (ulong) lock->cline, (ulong) i); - } - - /* We try once again to obtain the lock */ - if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { - rw_s_spin_round_count += i; - - return; /* Success */ - } else { - - if (i < SYNC_SPIN_ROUNDS) { - goto lock_loop; - } - - rw_s_spin_round_count += i; - - sync_array_reserve_cell(sync_primary_wait_array, - lock, RW_LOCK_SHARED, - file_name, line, - &index); - - /* Set waiters before checking lock_word to ensure wake-up - signal is sent. This may lead to some unnecessary signals. */ - rw_lock_set_waiter_flag(lock); - - if (TRUE == rw_lock_s_lock_low(lock, pass, file_name, line)) { - sync_array_free_cell(sync_primary_wait_array, index); - return; /* Success */ - } - - if (srv_print_latch_waits) { - fprintf(stderr, - "Thread %lu OS wait rw-s-lock at %p" - " cfile %s cline %lu\n", - os_thread_pf(os_thread_get_curr_id()), - (void*) lock, lock->cfile_name, - (ulong) lock->cline); - } - - /* these stats may not be accurate */ - lock->count_os_wait++; - rw_s_os_wait_count++; - - sync_array_wait_event(sync_primary_wait_array, index); - - i = 0; - goto lock_loop; - } -} - -/******************************************************************//** -This function is used in the insert buffer to move the ownership of an -x-latch on a buffer frame to the current thread. The x-latch was set by -the buffer read operation and it protected the buffer frame while the -read was done. The ownership is moved because we want that the current -thread is able to acquire a second x-latch which is stored in an mtr. -This, in turn, is needed to pass the debug checks of index page -operations. */ -UNIV_INTERN -void -rw_lock_x_lock_move_ownership( -/*==========================*/ - rw_lock_t* lock) /*!< in: lock which was x-locked in the - buffer read */ -{ - ut_ad(rw_lock_is_locked(lock, RW_LOCK_EX)); - - rw_lock_set_writer_id_and_recursion_flag(lock, TRUE); -} - -/******************************************************************//** -Function for the next writer to call. Waits for readers to exit. -The caller must have already decremented lock_word by X_LOCK_DECR. */ -UNIV_INLINE -void -rw_lock_x_lock_wait( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ -#ifdef UNIV_SYNC_DEBUG - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ -#endif - const char* file_name,/*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - ulint index; - ulint i = 0; - - ut_ad(lock->lock_word <= 0); - - while (lock->lock_word < 0) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); - } - if(i < SYNC_SPIN_ROUNDS) { - i++; - continue; - } - - /* If there is still a reader, then go to sleep.*/ - rw_x_spin_round_count += i; - i = 0; - sync_array_reserve_cell(sync_primary_wait_array, - lock, - RW_LOCK_WAIT_EX, - file_name, line, - &index); - /* Check lock_word to ensure wake-up isn't missed.*/ - if(lock->lock_word < 0) { - - /* these stats may not be accurate */ - lock->count_os_wait++; - rw_x_os_wait_count++; - - /* Add debug info as it is needed to detect possible - deadlock. We must add info for WAIT_EX thread for - deadlock detection to work properly. */ -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_WAIT_EX, - file_name, line); -#endif - - sync_array_wait_event(sync_primary_wait_array, - index); -#ifdef UNIV_SYNC_DEBUG - rw_lock_remove_debug_info(lock, pass, - RW_LOCK_WAIT_EX); -#endif - /* It is possible to wake when lock_word < 0. - We must pass the while-loop check to proceed.*/ - } else { - sync_array_free_cell(sync_primary_wait_array, - index); - } - } - rw_x_spin_round_count += i; -} - -/******************************************************************//** -Low-level function for acquiring an exclusive lock. -@return RW_LOCK_NOT_LOCKED if did not succeed, RW_LOCK_EX if success. */ -UNIV_INLINE -ibool -rw_lock_x_lock_low( -/*===============*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - os_thread_id_t curr_thread = os_thread_get_curr_id(); - - if (rw_lock_lock_word_decr(lock, X_LOCK_DECR)) { - - /* lock->recursive also tells us if the writer_thread - field is stale or active. As we are going to write - our own thread id in that field it must be that the - current writer_thread value is not active. */ - ut_a(!lock->recursive); - - /* Decrement occurred: we are writer or next-writer. */ - rw_lock_set_writer_id_and_recursion_flag(lock, - pass ? FALSE : TRUE); - - rw_lock_x_lock_wait(lock, -#ifdef UNIV_SYNC_DEBUG - pass, -#endif - file_name, line); - - } else { - /* Decrement failed: relock or failed lock */ - if (!pass && lock->recursive - && os_thread_eq(lock->writer_thread, curr_thread)) { - /* Relock */ - lock->lock_word -= X_LOCK_DECR; - } else { - /* Another thread locked before us */ - return(FALSE); - } - } -#ifdef UNIV_SYNC_DEBUG - rw_lock_add_debug_info(lock, pass, RW_LOCK_EX, - file_name, line); -#endif - lock->last_x_file_name = file_name; - lock->last_x_line = (unsigned int) line; - - return(TRUE); -} - -/******************************************************************//** -NOTE! Use the corresponding macro, not directly this function! Lock an -rw-lock in exclusive mode for the current thread. If the rw-lock is locked -in shared or exclusive mode, or there is an exclusive lock request waiting, -the function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting -for the lock before suspending the thread. If the same thread has an x-lock -on the rw-lock, locking succeed, with the following exception: if pass != 0, -only a single x-lock may be taken on the lock. NOTE: If the same thread has -an s-lock, locking does not succeed! */ -UNIV_INTERN -void -rw_lock_x_lock_func( -/*================*/ - rw_lock_t* lock, /*!< in: pointer to rw-lock */ - ulint pass, /*!< in: pass value; != 0, if the lock will - be passed to another thread to unlock */ - const char* file_name,/*!< in: file name where lock requested */ - ulint line) /*!< in: line where requested */ -{ - ulint index; /*!< index of the reserved wait cell */ - ulint i; /*!< spin round count */ - ibool spinning = FALSE; - - ut_ad(rw_lock_validate(lock)); - - i = 0; - -lock_loop: - - if (rw_lock_x_lock_low(lock, pass, file_name, line)) { - rw_x_spin_round_count += i; - - return; /* Locking succeeded */ - - } else { - - if (!spinning) { - spinning = TRUE; - rw_x_spin_wait_count++; - } - - /* Spin waiting for the lock_word to become free */ - while (i < SYNC_SPIN_ROUNDS - && lock->lock_word <= 0) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, - srv_spin_wait_delay)); - } - - i++; - } - if (i == SYNC_SPIN_ROUNDS) { - os_thread_yield(); - } else { - goto lock_loop; - } - } - - rw_x_spin_round_count += i; - - if (srv_print_latch_waits) { - fprintf(stderr, - "Thread %lu spin wait rw-x-lock at %p" - " cfile %s cline %lu rnds %lu\n", - os_thread_pf(os_thread_get_curr_id()), (void*) lock, - lock->cfile_name, (ulong) lock->cline, (ulong) i); - } - - sync_array_reserve_cell(sync_primary_wait_array, - lock, - RW_LOCK_EX, - file_name, line, - &index); - - /* Waiters must be set before checking lock_word, to ensure signal - is sent. This could lead to a few unnecessary wake-up signals. */ - rw_lock_set_waiter_flag(lock); - - if (rw_lock_x_lock_low(lock, pass, file_name, line)) { - sync_array_free_cell(sync_primary_wait_array, index); - return; /* Locking succeeded */ - } - - if (srv_print_latch_waits) { - fprintf(stderr, - "Thread %lu OS wait for rw-x-lock at %p" - " cfile %s cline %lu\n", - os_thread_pf(os_thread_get_curr_id()), (void*) lock, - lock->cfile_name, (ulong) lock->cline); - } - - /* these stats may not be accurate */ - lock->count_os_wait++; - rw_x_os_wait_count++; - - sync_array_wait_event(sync_primary_wait_array, index); - - i = 0; - goto lock_loop; -} - -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Acquires the debug mutex. We cannot use the mutex defined in sync0sync, -because the debug mutex is also acquired in sync0arr while holding the OS -mutex protecting the sync array, and the ordinary mutex_enter might -recursively call routines in sync0arr, leading to a deadlock on the OS -mutex. */ -UNIV_INTERN -void -rw_lock_debug_mutex_enter(void) -/*==========================*/ -{ -loop: - if (0 == mutex_enter_nowait(&rw_lock_debug_mutex)) { - return; - } - - os_event_reset(rw_lock_debug_event); - - rw_lock_debug_waiters = TRUE; - - if (0 == mutex_enter_nowait(&rw_lock_debug_mutex)) { - return; - } - - os_event_wait(rw_lock_debug_event); - - goto loop; -} - -/******************************************************************//** -Releases the debug mutex. */ -UNIV_INTERN -void -rw_lock_debug_mutex_exit(void) -/*==========================*/ -{ - mutex_exit(&rw_lock_debug_mutex); - - if (rw_lock_debug_waiters) { - rw_lock_debug_waiters = FALSE; - os_event_set(rw_lock_debug_event); - } -} - -/******************************************************************//** -Inserts the debug information for an rw-lock. */ -UNIV_INTERN -void -rw_lock_add_debug_info( -/*===================*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint pass, /*!< in: pass value */ - ulint lock_type, /*!< in: lock type */ - const char* file_name, /*!< in: file where requested */ - ulint line) /*!< in: line where requested */ -{ - rw_lock_debug_t* info; - - ut_ad(lock); - ut_ad(file_name); - - info = rw_lock_debug_create(); - - rw_lock_debug_mutex_enter(); - - info->file_name = file_name; - info->line = line; - info->lock_type = lock_type; - info->thread_id = os_thread_get_curr_id(); - info->pass = pass; - - UT_LIST_ADD_FIRST(list, lock->debug_list, info); - - rw_lock_debug_mutex_exit(); - - if ((pass == 0) && (lock_type != RW_LOCK_WAIT_EX)) { - sync_thread_add_level(lock, lock->level); - } -} - -/******************************************************************//** -Removes a debug information struct for an rw-lock. */ -UNIV_INTERN -void -rw_lock_remove_debug_info( -/*======================*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint pass, /*!< in: pass value */ - ulint lock_type) /*!< in: lock type */ -{ - rw_lock_debug_t* info; - - ut_ad(lock); - - if ((pass == 0) && (lock_type != RW_LOCK_WAIT_EX)) { - sync_thread_reset_level(lock); - } - - rw_lock_debug_mutex_enter(); - - info = UT_LIST_GET_FIRST(lock->debug_list); - - while (info != NULL) { - if ((pass == info->pass) - && ((pass != 0) - || os_thread_eq(info->thread_id, - os_thread_get_curr_id())) - && (info->lock_type == lock_type)) { - - /* Found! */ - UT_LIST_REMOVE(list, lock->debug_list, info); - rw_lock_debug_mutex_exit(); - - rw_lock_debug_free(info); - - return; - } - - info = UT_LIST_GET_NEXT(list, info); - } - - ut_error; -} -#endif /* UNIV_SYNC_DEBUG */ - -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Checks if the thread has locked the rw-lock in the specified mode, with -the pass value == 0. -@return TRUE if locked */ -UNIV_INTERN -ibool -rw_lock_own( -/*========*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, - RW_LOCK_EX */ -{ - rw_lock_debug_t* info; - - ut_ad(lock); - ut_ad(rw_lock_validate(lock)); - - rw_lock_debug_mutex_enter(); - - info = UT_LIST_GET_FIRST(lock->debug_list); - - while (info != NULL) { - - if (os_thread_eq(info->thread_id, os_thread_get_curr_id()) - && (info->pass == 0) - && (info->lock_type == lock_type)) { - - rw_lock_debug_mutex_exit(); - /* Found! */ - - return(TRUE); - } - - info = UT_LIST_GET_NEXT(list, info); - } - rw_lock_debug_mutex_exit(); - - return(FALSE); -} -#endif /* UNIV_SYNC_DEBUG */ - -/******************************************************************//** -Checks if somebody has locked the rw-lock in the specified mode. -@return TRUE if locked */ -UNIV_INTERN -ibool -rw_lock_is_locked( -/*==============*/ - rw_lock_t* lock, /*!< in: rw-lock */ - ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, - RW_LOCK_EX */ -{ - ibool ret = FALSE; - - ut_ad(lock); - ut_ad(rw_lock_validate(lock)); - - if (lock_type == RW_LOCK_SHARED) { - if (rw_lock_get_reader_count(lock) > 0) { - ret = TRUE; - } - } else if (lock_type == RW_LOCK_EX) { - if (rw_lock_get_writer(lock) == RW_LOCK_EX) { - ret = TRUE; - } - } else { - ut_error; - } - - return(ret); -} - -#ifdef UNIV_SYNC_DEBUG -/***************************************************************//** -Prints debug info of currently locked rw-locks. */ -UNIV_INTERN -void -rw_lock_list_print_info( -/*====================*/ - FILE* file) /*!< in: file where to print */ -{ - rw_lock_t* lock; - ulint count = 0; - rw_lock_debug_t* info; - - mutex_enter(&rw_lock_list_mutex); - - fputs("-------------\n" - "RW-LATCH INFO\n" - "-------------\n", file); - - lock = UT_LIST_GET_FIRST(rw_lock_list); - - while (lock != NULL) { - - count++; - -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_enter(&(lock->mutex)); -#endif - if (lock->lock_word != X_LOCK_DECR) { - - fprintf(file, "RW-LOCK: %p ", (void*) lock); - - if (rw_lock_get_waiters(lock)) { - fputs(" Waiters for the lock exist\n", file); - } else { - putc('\n', file); - } - - info = UT_LIST_GET_FIRST(lock->debug_list); - while (info != NULL) { - rw_lock_debug_print(info); - info = UT_LIST_GET_NEXT(list, info); - } - } -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_exit(&(lock->mutex)); -#endif - - lock = UT_LIST_GET_NEXT(list, lock); - } - - fprintf(file, "Total number of rw-locks %ld\n", count); - mutex_exit(&rw_lock_list_mutex); -} - -/***************************************************************//** -Prints debug info of an rw-lock. */ -UNIV_INTERN -void -rw_lock_print( -/*==========*/ - rw_lock_t* lock) /*!< in: rw-lock */ -{ - rw_lock_debug_t* info; - - fprintf(stderr, - "-------------\n" - "RW-LATCH INFO\n" - "RW-LATCH: %p ", (void*) lock); - -#ifndef INNODB_RW_LOCKS_USE_ATOMICS - /* We used to acquire lock->mutex here, but it would cause a - recursive call to sync_thread_add_level() if UNIV_SYNC_DEBUG - is defined. Since this function is only invoked from - sync_thread_levels_g(), let us choose the smaller evil: - performing dirty reads instead of causing bogus deadlocks or - assertion failures. */ -#endif - if (lock->lock_word != X_LOCK_DECR) { - - if (rw_lock_get_waiters(lock)) { - fputs(" Waiters for the lock exist\n", stderr); - } else { - putc('\n', stderr); - } - - info = UT_LIST_GET_FIRST(lock->debug_list); - while (info != NULL) { - rw_lock_debug_print(info); - info = UT_LIST_GET_NEXT(list, info); - } - } -} - -/*********************************************************************//** -Prints info of a debug struct. */ -UNIV_INTERN -void -rw_lock_debug_print( -/*================*/ - rw_lock_debug_t* info) /*!< in: debug struct */ -{ - ulint rwt; - - rwt = info->lock_type; - - fprintf(stderr, "Locked: thread %ld file %s line %ld ", - (ulong) os_thread_pf(info->thread_id), info->file_name, - (ulong) info->line); - if (rwt == RW_LOCK_SHARED) { - fputs("S-LOCK", stderr); - } else if (rwt == RW_LOCK_EX) { - fputs("X-LOCK", stderr); - } else if (rwt == RW_LOCK_WAIT_EX) { - fputs("WAIT X-LOCK", stderr); - } else { - ut_error; - } - if (info->pass != 0) { - fprintf(stderr, " pass value %lu", (ulong) info->pass); - } - putc('\n', stderr); -} - -/***************************************************************//** -Returns the number of currently locked rw-locks. Works only in the debug -version. -@return number of locked rw-locks */ -UNIV_INTERN -ulint -rw_lock_n_locked(void) -/*==================*/ -{ - rw_lock_t* lock; - ulint count = 0; - - mutex_enter(&rw_lock_list_mutex); - - lock = UT_LIST_GET_FIRST(rw_lock_list); - - while (lock != NULL) { - - if (lock->lock_word != X_LOCK_DECR) { - count++; - } - - lock = UT_LIST_GET_NEXT(list, lock); - } - - mutex_exit(&rw_lock_list_mutex); - - return(count); -} -#endif /* UNIV_SYNC_DEBUG */ diff --git a/perfschema/sync/sync0sync.c b/perfschema/sync/sync0sync.c deleted file mode 100644 index 1efcf9352f2..00000000000 --- a/perfschema/sync/sync0sync.c +++ /dev/null @@ -1,1509 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file sync/sync0sync.c -Mutex, the basic synchronization primitive - -Created 9/5/1995 Heikki Tuuri -*******************************************************/ - -#include "sync0sync.h" -#ifdef UNIV_NONINL -#include "sync0sync.ic" -#endif - -#include "sync0rw.h" -#include "buf0buf.h" -#include "srv0srv.h" -#include "buf0types.h" -#include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ - -/* - REASONS FOR IMPLEMENTING THE SPIN LOCK MUTEX - ============================================ - -Semaphore operations in operating systems are slow: Solaris on a 1993 Sparc -takes 3 microseconds (us) for a lock-unlock pair and Windows NT on a 1995 -Pentium takes 20 microseconds for a lock-unlock pair. Therefore, we have to -implement our own efficient spin lock mutex. Future operating systems may -provide efficient spin locks, but we cannot count on that. - -Another reason for implementing a spin lock is that on multiprocessor systems -it can be more efficient for a processor to run a loop waiting for the -semaphore to be released than to switch to a different thread. A thread switch -takes 25 us on both platforms mentioned above. See Gray and Reuter's book -Transaction processing for background. - -How long should the spin loop last before suspending the thread? On a -uniprocessor, spinning does not help at all, because if the thread owning the -mutex is not executing, it cannot be released. Spinning actually wastes -resources. - -On a multiprocessor, we do not know if the thread owning the mutex is -executing or not. Thus it would make sense to spin as long as the operation -guarded by the mutex would typically last assuming that the thread is -executing. If the mutex is not released by that time, we may assume that the -thread owning the mutex is not executing and suspend the waiting thread. - -A typical operation (where no i/o involved) guarded by a mutex or a read-write -lock may last 1 - 20 us on the current Pentium platform. The longest -operations are the binary searches on an index node. - -We conclude that the best choice is to set the spin time at 20 us. Then the -system should work well on a multiprocessor. On a uniprocessor we have to -make sure that thread swithches due to mutex collisions are not frequent, -i.e., they do not happen every 100 us or so, because that wastes too much -resources. If the thread switches are not frequent, the 20 us wasted in spin -loop is not too much. - -Empirical studies on the effect of spin time should be done for different -platforms. - - - IMPLEMENTATION OF THE MUTEX - =========================== - -For background, see Curt Schimmel's book on Unix implementation on modern -architectures. The key points in the implementation are atomicity and -serialization of memory accesses. The test-and-set instruction (XCHG in -Pentium) must be atomic. As new processors may have weak memory models, also -serialization of memory references may be necessary. The successor of Pentium, -P6, has at least one mode where the memory model is weak. As far as we know, -in Pentium all memory accesses are serialized in the program order and we do -not have to worry about the memory model. On other processors there are -special machine instructions called a fence, memory barrier, or storage -barrier (STBAR in Sparc), which can be used to serialize the memory accesses -to happen in program order relative to the fence instruction. - -Leslie Lamport has devised a "bakery algorithm" to implement a mutex without -the atomic test-and-set, but his algorithm should be modified for weak memory -models. We do not use Lamport's algorithm, because we guess it is slower than -the atomic test-and-set. - -Our mutex implementation works as follows: After that we perform the atomic -test-and-set instruction on the memory word. If the test returns zero, we -know we got the lock first. If the test returns not zero, some other thread -was quicker and got the lock: then we spin in a loop reading the memory word, -waiting it to become zero. It is wise to just read the word in the loop, not -perform numerous test-and-set instructions, because they generate memory -traffic between the cache and the main memory. The read loop can just access -the cache, saving bus bandwidth. - -If we cannot acquire the mutex lock in the specified time, we reserve a cell -in the wait array, set the waiters byte in the mutex to 1. To avoid a race -condition, after setting the waiters byte and before suspending the waiting -thread, we still have to check that the mutex is reserved, because it may -have happened that the thread which was holding the mutex has just released -it and did not see the waiters byte set to 1, a case which would lead the -other thread to an infinite wait. - -LEMMA 1: After a thread resets the event of a mutex (or rw_lock), some -======= -thread will eventually call os_event_set() on that particular event. -Thus no infinite wait is possible in this case. - -Proof: After making the reservation the thread sets the waiters field in the -mutex to 1. Then it checks that the mutex is still reserved by some thread, -or it reserves the mutex for itself. In any case, some thread (which may be -also some earlier thread, not necessarily the one currently holding the mutex) -will set the waiters field to 0 in mutex_exit, and then call -os_event_set() with the mutex as an argument. -Q.E.D. - -LEMMA 2: If an os_event_set() call is made after some thread has called -======= -the os_event_reset() and before it starts wait on that event, the call -will not be lost to the second thread. This is true even if there is an -intervening call to os_event_reset() by another thread. -Thus no infinite wait is possible in this case. - -Proof (non-windows platforms): os_event_reset() returns a monotonically -increasing value of signal_count. This value is increased at every -call of os_event_set() If thread A has called os_event_reset() followed -by thread B calling os_event_set() and then some other thread C calling -os_event_reset(), the is_set flag of the event will be set to FALSE; -but now if thread A calls os_event_wait_low() with the signal_count -value returned from the earlier call of os_event_reset(), it will -return immediately without waiting. -Q.E.D. - -Proof (windows): If there is a writer thread which is forced to wait for -the lock, it may be able to set the state of rw_lock to RW_LOCK_WAIT_EX -The design of rw_lock ensures that there is one and only one thread -that is able to change the state to RW_LOCK_WAIT_EX and this thread is -guaranteed to acquire the lock after it is released by the current -holders and before any other waiter gets the lock. -On windows this thread waits on a separate event i.e.: wait_ex_event. -Since only one thread can wait on this event there is no chance -of this event getting reset before the writer starts wait on it. -Therefore, this thread is guaranteed to catch the os_set_event() -signalled unconditionally at the release of the lock. -Q.E.D. */ - -/* Number of spin waits on mutexes: for performance monitoring */ - -/** The number of iterations in the mutex_spin_wait() spin loop. -Intended for performance monitoring. */ -static ib_int64_t mutex_spin_round_count = 0; -/** The number of mutex_spin_wait() calls. Intended for -performance monitoring. */ -static ib_int64_t mutex_spin_wait_count = 0; -/** The number of OS waits in mutex_spin_wait(). Intended for -performance monitoring. */ -static ib_int64_t mutex_os_wait_count = 0; -/** The number of mutex_exit() calls. Intended for performance -monitoring. */ -UNIV_INTERN ib_int64_t mutex_exit_count = 0; - -/** The global array of wait cells for implementation of the database's own -mutexes and read-write locks */ -UNIV_INTERN sync_array_t* sync_primary_wait_array; - -/** This variable is set to TRUE when sync_init is called */ -UNIV_INTERN ibool sync_initialized = FALSE; - -/** An acquired mutex or rw-lock and its level in the latching order */ -typedef struct sync_level_struct sync_level_t; -/** Mutexes or rw-locks held by a thread */ -typedef struct sync_thread_struct sync_thread_t; - -#ifdef UNIV_SYNC_DEBUG -/** The latch levels currently owned by threads are stored in this data -structure; the size of this array is OS_THREAD_MAX_N */ - -UNIV_INTERN sync_thread_t* sync_thread_level_arrays; - -/** Mutex protecting sync_thread_level_arrays */ -UNIV_INTERN mutex_t sync_thread_mutex; -#endif /* UNIV_SYNC_DEBUG */ - -/** Global list of database mutexes (not OS mutexes) created. */ -UNIV_INTERN ut_list_base_node_t mutex_list; - -/** Mutex protecting the mutex_list variable */ -UNIV_INTERN mutex_t mutex_list_mutex; - -#ifdef UNIV_SYNC_DEBUG -/** Latching order checks start when this is set TRUE */ -UNIV_INTERN ibool sync_order_checks_on = FALSE; -#endif /* UNIV_SYNC_DEBUG */ - -/** Mutexes or rw-locks held by a thread */ -struct sync_thread_struct{ - os_thread_id_t id; /*!< OS thread id */ - sync_level_t* levels; /*!< level array for this thread; if - this is NULL this slot is unused */ -}; - -/** Number of slots reserved for each OS thread in the sync level array */ -#define SYNC_THREAD_N_LEVELS 10000 - -/** An acquired mutex or rw-lock and its level in the latching order */ -struct sync_level_struct{ - void* latch; /*!< pointer to a mutex or an rw-lock; NULL means that - the slot is empty */ - ulint level; /*!< level of the latch in the latching order */ -}; - -/******************************************************************//** -Creates, or rather, initializes a mutex object in a specified memory -location (which must be appropriately aligned). The mutex is initialized -in the reset state. Explicit freeing of the mutex with mutex_free is -necessary only if the memory block containing it is freed. */ -UNIV_INTERN -void -mutex_create_func( -/*==============*/ - mutex_t* mutex, /*!< in: pointer to memory */ -#ifdef UNIV_DEBUG - const char* cmutex_name, /*!< in: mutex name */ -# ifdef UNIV_SYNC_DEBUG - ulint level, /*!< in: level */ -# endif /* UNIV_SYNC_DEBUG */ -#endif /* UNIV_DEBUG */ - const char* cfile_name, /*!< in: file name where created */ - ulint cline) /*!< in: file line where created */ -{ -#if defined(HAVE_ATOMIC_BUILTINS) - mutex_reset_lock_word(mutex); -#else - os_fast_mutex_init(&(mutex->os_fast_mutex)); - mutex->lock_word = 0; -#endif - mutex->event = os_event_create(NULL); - mutex_set_waiters(mutex, 0); -#ifdef UNIV_DEBUG - mutex->magic_n = MUTEX_MAGIC_N; -#endif /* UNIV_DEBUG */ -#ifdef UNIV_SYNC_DEBUG - mutex->line = 0; - mutex->file_name = "not yet reserved"; - mutex->level = level; -#endif /* UNIV_SYNC_DEBUG */ - mutex->cfile_name = cfile_name; - mutex->cline = cline; - mutex->count_os_wait = 0; -#ifdef UNIV_DEBUG - mutex->cmutex_name= cmutex_name; - mutex->count_using= 0; - mutex->mutex_type= 0; - mutex->lspent_time= 0; - mutex->lmax_spent_time= 0; - mutex->count_spin_loop= 0; - mutex->count_spin_rounds= 0; - mutex->count_os_yield= 0; -#endif /* UNIV_DEBUG */ - - /* Check that lock_word is aligned; this is important on Intel */ - ut_ad(((ulint)(&(mutex->lock_word))) % 4 == 0); - - /* NOTE! The very first mutexes are not put to the mutex list */ - - if ((mutex == &mutex_list_mutex) -#ifdef UNIV_SYNC_DEBUG - || (mutex == &sync_thread_mutex) -#endif /* UNIV_SYNC_DEBUG */ - ) { - - return; - } - - mutex_enter(&mutex_list_mutex); - - ut_ad(UT_LIST_GET_LEN(mutex_list) == 0 - || UT_LIST_GET_FIRST(mutex_list)->magic_n == MUTEX_MAGIC_N); - - UT_LIST_ADD_FIRST(list, mutex_list, mutex); - - mutex_exit(&mutex_list_mutex); -} - -/******************************************************************//** -Calling this function is obligatory only if the memory buffer containing -the mutex is freed. Removes a mutex object from the mutex list. The mutex -is checked to be in the reset state. */ -UNIV_INTERN -void -mutex_free( -/*=======*/ - mutex_t* mutex) /*!< in: mutex */ -{ - ut_ad(mutex_validate(mutex)); - ut_a(mutex_get_lock_word(mutex) == 0); - ut_a(mutex_get_waiters(mutex) == 0); - -#ifdef UNIV_MEM_DEBUG - if (mutex == &mem_hash_mutex) { - ut_ad(UT_LIST_GET_LEN(mutex_list) == 1); - ut_ad(UT_LIST_GET_FIRST(mutex_list) == &mem_hash_mutex); - UT_LIST_REMOVE(list, mutex_list, mutex); - goto func_exit; - } -#endif /* UNIV_MEM_DEBUG */ - - if (mutex != &mutex_list_mutex -#ifdef UNIV_SYNC_DEBUG - && mutex != &sync_thread_mutex -#endif /* UNIV_SYNC_DEBUG */ - ) { - - mutex_enter(&mutex_list_mutex); - - ut_ad(!UT_LIST_GET_PREV(list, mutex) - || UT_LIST_GET_PREV(list, mutex)->magic_n - == MUTEX_MAGIC_N); - ut_ad(!UT_LIST_GET_NEXT(list, mutex) - || UT_LIST_GET_NEXT(list, mutex)->magic_n - == MUTEX_MAGIC_N); - - UT_LIST_REMOVE(list, mutex_list, mutex); - - mutex_exit(&mutex_list_mutex); - } - - os_event_free(mutex->event); -#ifdef UNIV_MEM_DEBUG -func_exit: -#endif /* UNIV_MEM_DEBUG */ -#if !defined(HAVE_ATOMIC_BUILTINS) - os_fast_mutex_free(&(mutex->os_fast_mutex)); -#endif - /* If we free the mutex protecting the mutex list (freeing is - not necessary), we have to reset the magic number AFTER removing - it from the list. */ -#ifdef UNIV_DEBUG - mutex->magic_n = 0; -#endif /* UNIV_DEBUG */ -} - -/********************************************************************//** -NOTE! Use the corresponding macro in the header file, not this function -directly. Tries to lock the mutex for the current thread. If the lock is not -acquired immediately, returns with return value 1. -@return 0 if succeed, 1 if not */ -UNIV_INTERN -ulint -mutex_enter_nowait_func( -/*====================*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name __attribute__((unused)), - /*!< in: file name where mutex - requested */ - ulint line __attribute__((unused))) - /*!< in: line where requested */ -{ - ut_ad(mutex_validate(mutex)); - - if (!mutex_test_and_set(mutex)) { - - ut_d(mutex->thread_id = os_thread_get_curr_id()); -#ifdef UNIV_SYNC_DEBUG - mutex_set_debug_info(mutex, file_name, line); -#endif - - return(0); /* Succeeded! */ - } - - return(1); -} - -#ifdef UNIV_DEBUG -/******************************************************************//** -Checks that the mutex has been initialized. -@return TRUE */ -UNIV_INTERN -ibool -mutex_validate( -/*===========*/ - const mutex_t* mutex) /*!< in: mutex */ -{ - ut_a(mutex); - ut_a(mutex->magic_n == MUTEX_MAGIC_N); - - return(TRUE); -} - -/******************************************************************//** -Checks that the current thread owns the mutex. Works only in the debug -version. -@return TRUE if owns */ -UNIV_INTERN -ibool -mutex_own( -/*======*/ - const mutex_t* mutex) /*!< in: mutex */ -{ - ut_ad(mutex_validate(mutex)); - - return(mutex_get_lock_word(mutex) == 1 - && os_thread_eq(mutex->thread_id, os_thread_get_curr_id())); -} -#endif /* UNIV_DEBUG */ - -/******************************************************************//** -Sets the waiters field in a mutex. */ -UNIV_INTERN -void -mutex_set_waiters( -/*==============*/ - mutex_t* mutex, /*!< in: mutex */ - ulint n) /*!< in: value to set */ -{ - volatile ulint* ptr; /* declared volatile to ensure that - the value is stored to memory */ - ut_ad(mutex); - - ptr = &(mutex->waiters); - - *ptr = n; /* Here we assume that the write of a single - word in memory is atomic */ -} - -/******************************************************************//** -Reserves a mutex for the current thread. If the mutex is reserved, the -function spins a preset time (controlled by SYNC_SPIN_ROUNDS), waiting -for the mutex before suspending the thread. */ -UNIV_INTERN -void -mutex_spin_wait( -/*============*/ - mutex_t* mutex, /*!< in: pointer to mutex */ - const char* file_name, /*!< in: file name where mutex - requested */ - ulint line) /*!< in: line where requested */ -{ - ulint index; /* index of the reserved wait cell */ - ulint i; /* spin round count */ -#ifdef UNIV_DEBUG - ib_int64_t lstart_time = 0, lfinish_time; /* for timing os_wait */ - ulint ltime_diff; - ulint sec; - ulint ms; - uint timer_started = 0; -#endif /* UNIV_DEBUG */ - ut_ad(mutex); - - /* This update is not thread safe, but we don't mind if the count - isn't exact. Moved out of ifdef that follows because we are willing - to sacrifice the cost of counting this as the data is valuable. - Count the number of calls to mutex_spin_wait. */ - mutex_spin_wait_count++; - -mutex_loop: - - i = 0; - - /* Spin waiting for the lock word to become zero. Note that we do - not have to assume that the read access to the lock word is atomic, - as the actual locking is always committed with atomic test-and-set. - In reality, however, all processors probably have an atomic read of - a memory word. */ - -spin_loop: - ut_d(mutex->count_spin_loop++); - - while (mutex_get_lock_word(mutex) != 0 && i < SYNC_SPIN_ROUNDS) { - if (srv_spin_wait_delay) { - ut_delay(ut_rnd_interval(0, srv_spin_wait_delay)); - } - - i++; - } - - if (i == SYNC_SPIN_ROUNDS) { -#ifdef UNIV_DEBUG - mutex->count_os_yield++; -#ifndef UNIV_HOTBACKUP - if (timed_mutexes && timer_started == 0) { - ut_usectime(&sec, &ms); - lstart_time= (ib_int64_t)sec * 1000000 + ms; - timer_started = 1; - } -#endif /* UNIV_HOTBACKUP */ -#endif /* UNIV_DEBUG */ - os_thread_yield(); - } - -#ifdef UNIV_SRV_PRINT_LATCH_WAITS - fprintf(stderr, - "Thread %lu spin wait mutex at %p" - " cfile %s cline %lu rnds %lu\n", - (ulong) os_thread_pf(os_thread_get_curr_id()), (void*) mutex, - mutex->cfile_name, (ulong) mutex->cline, (ulong) i); -#endif - - mutex_spin_round_count += i; - - ut_d(mutex->count_spin_rounds += i); - - if (mutex_test_and_set(mutex) == 0) { - /* Succeeded! */ - - ut_d(mutex->thread_id = os_thread_get_curr_id()); -#ifdef UNIV_SYNC_DEBUG - mutex_set_debug_info(mutex, file_name, line); -#endif - - goto finish_timing; - } - - /* We may end up with a situation where lock_word is 0 but the OS - fast mutex is still reserved. On FreeBSD the OS does not seem to - schedule a thread which is constantly calling pthread_mutex_trylock - (in mutex_test_and_set implementation). Then we could end up - spinning here indefinitely. The following 'i++' stops this infinite - spin. */ - - i++; - - if (i < SYNC_SPIN_ROUNDS) { - goto spin_loop; - } - - sync_array_reserve_cell(sync_primary_wait_array, mutex, - SYNC_MUTEX, file_name, line, &index); - - /* The memory order of the array reservation and the change in the - waiters field is important: when we suspend a thread, we first - reserve the cell and then set waiters field to 1. When threads are - released in mutex_exit, the waiters field is first set to zero and - then the event is set to the signaled state. */ - - mutex_set_waiters(mutex, 1); - - /* Try to reserve still a few times */ - for (i = 0; i < 4; i++) { - if (mutex_test_and_set(mutex) == 0) { - /* Succeeded! Free the reserved wait cell */ - - sync_array_free_cell(sync_primary_wait_array, index); - - ut_d(mutex->thread_id = os_thread_get_curr_id()); -#ifdef UNIV_SYNC_DEBUG - mutex_set_debug_info(mutex, file_name, line); -#endif - -#ifdef UNIV_SRV_PRINT_LATCH_WAITS - fprintf(stderr, "Thread %lu spin wait succeeds at 2:" - " mutex at %p\n", - (ulong) os_thread_pf(os_thread_get_curr_id()), - (void*) mutex); -#endif - - goto finish_timing; - - /* Note that in this case we leave the waiters field - set to 1. We cannot reset it to zero, as we do not - know if there are other waiters. */ - } - } - - /* Now we know that there has been some thread holding the mutex - after the change in the wait array and the waiters field was made. - Now there is no risk of infinite wait on the event. */ - -#ifdef UNIV_SRV_PRINT_LATCH_WAITS - fprintf(stderr, - "Thread %lu OS wait mutex at %p cfile %s cline %lu rnds %lu\n", - (ulong) os_thread_pf(os_thread_get_curr_id()), (void*) mutex, - mutex->cfile_name, (ulong) mutex->cline, (ulong) i); -#endif - - mutex_os_wait_count++; - - mutex->count_os_wait++; -#ifdef UNIV_DEBUG - /* !!!!! Sometimes os_wait can be called without os_thread_yield */ -#ifndef UNIV_HOTBACKUP - if (timed_mutexes == 1 && timer_started == 0) { - ut_usectime(&sec, &ms); - lstart_time= (ib_int64_t)sec * 1000000 + ms; - timer_started = 1; - } -#endif /* UNIV_HOTBACKUP */ -#endif /* UNIV_DEBUG */ - - sync_array_wait_event(sync_primary_wait_array, index); - goto mutex_loop; - -finish_timing: -#ifdef UNIV_DEBUG - if (timed_mutexes == 1 && timer_started==1) { - ut_usectime(&sec, &ms); - lfinish_time= (ib_int64_t)sec * 1000000 + ms; - - ltime_diff= (ulint) (lfinish_time - lstart_time); - mutex->lspent_time += ltime_diff; - - if (mutex->lmax_spent_time < ltime_diff) { - mutex->lmax_spent_time= ltime_diff; - } - } -#endif /* UNIV_DEBUG */ - return; -} - -/******************************************************************//** -Releases the threads waiting in the primary wait array for this mutex. */ -UNIV_INTERN -void -mutex_signal_object( -/*================*/ - mutex_t* mutex) /*!< in: mutex */ -{ - mutex_set_waiters(mutex, 0); - - /* The memory order of resetting the waiters field and - signaling the object is important. See LEMMA 1 above. */ - os_event_set(mutex->event); - sync_array_object_signalled(sync_primary_wait_array); -} - -#ifdef UNIV_SYNC_DEBUG -/******************************************************************//** -Sets the debug information for a reserved mutex. */ -UNIV_INTERN -void -mutex_set_debug_info( -/*=================*/ - mutex_t* mutex, /*!< in: mutex */ - const char* file_name, /*!< in: file where requested */ - ulint line) /*!< in: line where requested */ -{ - ut_ad(mutex); - ut_ad(file_name); - - sync_thread_add_level(mutex, mutex->level); - - mutex->file_name = file_name; - mutex->line = line; -} - -/******************************************************************//** -Gets the debug information for a reserved mutex. */ -UNIV_INTERN -void -mutex_get_debug_info( -/*=================*/ - mutex_t* mutex, /*!< in: mutex */ - const char** file_name, /*!< out: file where requested */ - ulint* line, /*!< out: line where requested */ - os_thread_id_t* thread_id) /*!< out: id of the thread which owns - the mutex */ -{ - ut_ad(mutex); - - *file_name = mutex->file_name; - *line = mutex->line; - *thread_id = mutex->thread_id; -} - -/******************************************************************//** -Prints debug info of currently reserved mutexes. */ -static -void -mutex_list_print_info( -/*==================*/ - FILE* file) /*!< in: file where to print */ -{ - mutex_t* mutex; - const char* file_name; - ulint line; - os_thread_id_t thread_id; - ulint count = 0; - - fputs("----------\n" - "MUTEX INFO\n" - "----------\n", file); - - mutex_enter(&mutex_list_mutex); - - mutex = UT_LIST_GET_FIRST(mutex_list); - - while (mutex != NULL) { - count++; - - if (mutex_get_lock_word(mutex) != 0) { - mutex_get_debug_info(mutex, &file_name, &line, - &thread_id); - fprintf(file, - "Locked mutex: addr %p thread %ld" - " file %s line %ld\n", - (void*) mutex, os_thread_pf(thread_id), - file_name, line); - } - - mutex = UT_LIST_GET_NEXT(list, mutex); - } - - fprintf(file, "Total number of mutexes %ld\n", count); - - mutex_exit(&mutex_list_mutex); -} - -/******************************************************************//** -Counts currently reserved mutexes. Works only in the debug version. -@return number of reserved mutexes */ -UNIV_INTERN -ulint -mutex_n_reserved(void) -/*==================*/ -{ - mutex_t* mutex; - ulint count = 0; - - mutex_enter(&mutex_list_mutex); - - mutex = UT_LIST_GET_FIRST(mutex_list); - - while (mutex != NULL) { - if (mutex_get_lock_word(mutex) != 0) { - - count++; - } - - mutex = UT_LIST_GET_NEXT(list, mutex); - } - - mutex_exit(&mutex_list_mutex); - - ut_a(count >= 1); - - return(count - 1); /* Subtract one, because this function itself - was holding one mutex (mutex_list_mutex) */ -} - -/******************************************************************//** -Returns TRUE if no mutex or rw-lock is currently locked. Works only in -the debug version. -@return TRUE if no mutexes and rw-locks reserved */ -UNIV_INTERN -ibool -sync_all_freed(void) -/*================*/ -{ - return(mutex_n_reserved() + rw_lock_n_locked() == 0); -} - -/******************************************************************//** -Gets the value in the nth slot in the thread level arrays. -@return pointer to thread slot */ -static -sync_thread_t* -sync_thread_level_arrays_get_nth( -/*=============================*/ - ulint n) /*!< in: slot number */ -{ - ut_ad(n < OS_THREAD_MAX_N); - - return(sync_thread_level_arrays + n); -} - -/******************************************************************//** -Looks for the thread slot for the calling thread. -@return pointer to thread slot, NULL if not found */ -static -sync_thread_t* -sync_thread_level_arrays_find_slot(void) -/*====================================*/ - -{ - sync_thread_t* slot; - os_thread_id_t id; - ulint i; - - id = os_thread_get_curr_id(); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = sync_thread_level_arrays_get_nth(i); - - if (slot->levels && os_thread_eq(slot->id, id)) { - - return(slot); - } - } - - return(NULL); -} - -/******************************************************************//** -Looks for an unused thread slot. -@return pointer to thread slot */ -static -sync_thread_t* -sync_thread_level_arrays_find_free(void) -/*====================================*/ - -{ - sync_thread_t* slot; - ulint i; - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = sync_thread_level_arrays_get_nth(i); - - if (slot->levels == NULL) { - - return(slot); - } - } - - return(NULL); -} - -/******************************************************************//** -Gets the value in the nth slot in the thread level array. -@return pointer to level slot */ -static -sync_level_t* -sync_thread_levels_get_nth( -/*=======================*/ - sync_level_t* arr, /*!< in: pointer to level array for an OS - thread */ - ulint n) /*!< in: slot number */ -{ - ut_ad(n < SYNC_THREAD_N_LEVELS); - - return(arr + n); -} - -/******************************************************************//** -Checks if all the level values stored in the level array are greater than -the given limit. -@return TRUE if all greater */ -static -ibool -sync_thread_levels_g( -/*=================*/ - sync_level_t* arr, /*!< in: pointer to level array for an OS - thread */ - ulint limit, /*!< in: level limit */ - ulint warn) /*!< in: TRUE=display a diagnostic message */ -{ - sync_level_t* slot; - rw_lock_t* lock; - mutex_t* mutex; - ulint i; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(arr, i); - - if (slot->latch != NULL) { - if (slot->level <= limit) { - - if (!warn) { - - return(FALSE); - } - - lock = slot->latch; - mutex = slot->latch; - - fprintf(stderr, - "InnoDB: sync levels should be" - " > %lu but a level is %lu\n", - (ulong) limit, (ulong) slot->level); - - if (mutex->magic_n == MUTEX_MAGIC_N) { - fprintf(stderr, - "Mutex created at %s %lu\n", - mutex->cfile_name, - (ulong) mutex->cline); - - if (mutex_get_lock_word(mutex) != 0) { - const char* file_name; - ulint line; - os_thread_id_t thread_id; - - mutex_get_debug_info( - mutex, &file_name, - &line, &thread_id); - - fprintf(stderr, - "InnoDB: Locked mutex:" - " addr %p thread %ld" - " file %s line %ld\n", - (void*) mutex, - os_thread_pf( - thread_id), - file_name, - (ulong) line); - } else { - fputs("Not locked\n", stderr); - } - } else { - rw_lock_print(lock); - } - - return(FALSE); - } - } - } - - return(TRUE); -} - -/******************************************************************//** -Checks if the level value is stored in the level array. -@return TRUE if stored */ -static -ibool -sync_thread_levels_contain( -/*=======================*/ - sync_level_t* arr, /*!< in: pointer to level array for an OS - thread */ - ulint level) /*!< in: level */ -{ - sync_level_t* slot; - ulint i; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(arr, i); - - if (slot->latch != NULL) { - if (slot->level == level) { - - return(TRUE); - } - } - } - - return(FALSE); -} - -/******************************************************************//** -Checks if the level array for the current thread contains a -mutex or rw-latch at the specified level. -@return a matching latch, or NULL if not found */ -UNIV_INTERN -void* -sync_thread_levels_contains( -/*========================*/ - ulint level) /*!< in: latching order level - (SYNC_DICT, ...)*/ -{ - sync_level_t* arr; - sync_thread_t* thread_slot; - sync_level_t* slot; - ulint i; - - if (!sync_order_checks_on) { - - return(NULL); - } - - mutex_enter(&sync_thread_mutex); - - thread_slot = sync_thread_level_arrays_find_slot(); - - if (thread_slot == NULL) { - - mutex_exit(&sync_thread_mutex); - - return(NULL); - } - - arr = thread_slot->levels; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(arr, i); - - if (slot->latch != NULL && slot->level == level) { - - mutex_exit(&sync_thread_mutex); - return(slot->latch); - } - } - - mutex_exit(&sync_thread_mutex); - - return(NULL); -} - -/******************************************************************//** -Checks that the level array for the current thread is empty. -@return a latch, or NULL if empty except the exceptions specified below */ -UNIV_INTERN -void* -sync_thread_levels_nonempty_gen( -/*============================*/ - ibool dict_mutex_allowed) /*!< in: TRUE if dictionary mutex is - allowed to be owned by the thread, - also purge_is_running mutex is - allowed */ -{ - sync_level_t* arr; - sync_thread_t* thread_slot; - sync_level_t* slot; - ulint i; - - if (!sync_order_checks_on) { - - return(NULL); - } - - mutex_enter(&sync_thread_mutex); - - thread_slot = sync_thread_level_arrays_find_slot(); - - if (thread_slot == NULL) { - - mutex_exit(&sync_thread_mutex); - - return(NULL); - } - - arr = thread_slot->levels; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(arr, i); - - if (slot->latch != NULL - && (!dict_mutex_allowed - || (slot->level != SYNC_DICT - && slot->level != SYNC_DICT_OPERATION))) { - - mutex_exit(&sync_thread_mutex); - ut_error; - - return(slot->latch); - } - } - - mutex_exit(&sync_thread_mutex); - - return(NULL); -} - -/******************************************************************//** -Checks that the level array for the current thread is empty. -@return TRUE if empty */ -UNIV_INTERN -ibool -sync_thread_levels_empty(void) -/*==========================*/ -{ - return(sync_thread_levels_empty_gen(FALSE)); -} - -/******************************************************************//** -Adds a latch and its level in the thread level array. Allocates the memory -for the array if called first time for this OS thread. Makes the checks -against other latch levels stored in the array for this thread. */ -UNIV_INTERN -void -sync_thread_add_level( -/*==================*/ - void* latch, /*!< in: pointer to a mutex or an rw-lock */ - ulint level) /*!< in: level in the latching order; if - SYNC_LEVEL_VARYING, nothing is done */ -{ - sync_level_t* array; - sync_level_t* slot; - sync_thread_t* thread_slot; - ulint i; - - if (!sync_order_checks_on) { - - return; - } - - if ((latch == (void*)&sync_thread_mutex) - || (latch == (void*)&mutex_list_mutex) - || (latch == (void*)&rw_lock_debug_mutex) - || (latch == (void*)&rw_lock_list_mutex)) { - - return; - } - - if (level == SYNC_LEVEL_VARYING) { - - return; - } - - mutex_enter(&sync_thread_mutex); - - thread_slot = sync_thread_level_arrays_find_slot(); - - if (thread_slot == NULL) { - /* We have to allocate the level array for a new thread */ - array = ut_malloc(sizeof(sync_level_t) * SYNC_THREAD_N_LEVELS); - - thread_slot = sync_thread_level_arrays_find_free(); - - thread_slot->id = os_thread_get_curr_id(); - thread_slot->levels = array; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(array, i); - - slot->latch = NULL; - } - } - - array = thread_slot->levels; - - /* NOTE that there is a problem with _NODE and _LEAF levels: if the - B-tree height changes, then a leaf can change to an internal node - or the other way around. We do not know at present if this can cause - unnecessary assertion failures below. */ - - switch (level) { - case SYNC_NO_ORDER_CHECK: - case SYNC_EXTERN_STORAGE: - case SYNC_TREE_NODE_FROM_HASH: - /* Do no order checking */ - break; - case SYNC_MEM_POOL: - case SYNC_MEM_HASH: - case SYNC_RECV: - case SYNC_WORK_QUEUE: - case SYNC_LOG: - case SYNC_THR_LOCAL: - case SYNC_ANY_LATCH: - case SYNC_TRX_SYS_HEADER: - case SYNC_FILE_FORMAT_TAG: - case SYNC_DOUBLEWRITE: - case SYNC_BUF_FLUSH_LIST: - case SYNC_BUF_POOL: - case SYNC_SEARCH_SYS: - case SYNC_SEARCH_SYS_CONF: - case SYNC_TRX_LOCK_HEAP: - case SYNC_KERNEL: - case SYNC_IBUF_BITMAP_MUTEX: - case SYNC_RSEG: - case SYNC_TRX_UNDO: - case SYNC_PURGE_LATCH: - case SYNC_PURGE_SYS: - case SYNC_DICT_AUTOINC_MUTEX: - case SYNC_DICT_OPERATION: - case SYNC_DICT_HEADER: - case SYNC_TRX_I_S_RWLOCK: - case SYNC_TRX_I_S_LAST_READ: - if (!sync_thread_levels_g(array, level, TRUE)) { - fprintf(stderr, - "InnoDB: sync_thread_levels_g(array, %lu)" - " does not hold!\n", level); - ut_error; - } - break; - case SYNC_BUF_BLOCK: - /* Either the thread must own the buffer pool mutex - (buf_pool_mutex), or it is allowed to latch only ONE - buffer block (block->mutex or buf_pool_zip_mutex). */ - if (!sync_thread_levels_g(array, level, FALSE)) { - ut_a(sync_thread_levels_g(array, level - 1, TRUE)); - ut_a(sync_thread_levels_contain(array, SYNC_BUF_POOL)); - } - break; - case SYNC_REC_LOCK: - if (sync_thread_levels_contain(array, SYNC_KERNEL)) { - ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK - 1, - TRUE)); - } else { - ut_a(sync_thread_levels_g(array, SYNC_REC_LOCK, TRUE)); - } - break; - case SYNC_IBUF_BITMAP: - /* Either the thread must own the master mutex to all - the bitmap pages, or it is allowed to latch only ONE - bitmap page. */ - if (sync_thread_levels_contain(array, - SYNC_IBUF_BITMAP_MUTEX)) { - ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP - 1, - TRUE)); - } else { - ut_a(sync_thread_levels_g(array, SYNC_IBUF_BITMAP, - TRUE)); - } - break; - case SYNC_FSP_PAGE: - ut_a(sync_thread_levels_contain(array, SYNC_FSP)); - break; - case SYNC_FSP: - ut_a(sync_thread_levels_contain(array, SYNC_FSP) - || sync_thread_levels_g(array, SYNC_FSP, TRUE)); - break; - case SYNC_TRX_UNDO_PAGE: - ut_a(sync_thread_levels_contain(array, SYNC_TRX_UNDO) - || sync_thread_levels_contain(array, SYNC_RSEG) - || sync_thread_levels_contain(array, SYNC_PURGE_SYS) - || sync_thread_levels_g(array, SYNC_TRX_UNDO_PAGE, TRUE)); - break; - case SYNC_RSEG_HEADER: - ut_a(sync_thread_levels_contain(array, SYNC_RSEG)); - break; - case SYNC_RSEG_HEADER_NEW: - ut_a(sync_thread_levels_contain(array, SYNC_KERNEL) - && sync_thread_levels_contain(array, SYNC_FSP_PAGE)); - break; - case SYNC_TREE_NODE: - ut_a(sync_thread_levels_contain(array, SYNC_INDEX_TREE) - || sync_thread_levels_contain(array, SYNC_DICT_OPERATION) - || sync_thread_levels_g(array, SYNC_TREE_NODE - 1, TRUE)); - break; - case SYNC_TREE_NODE_NEW: - ut_a(sync_thread_levels_contain(array, SYNC_FSP_PAGE) - || sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); - break; - case SYNC_INDEX_TREE: - if (sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) - && sync_thread_levels_contain(array, SYNC_FSP)) { - ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, - TRUE)); - } else { - ut_a(sync_thread_levels_g(array, SYNC_TREE_NODE - 1, - TRUE)); - } - break; - case SYNC_IBUF_MUTEX: - ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, TRUE)); - break; - case SYNC_IBUF_PESS_INSERT_MUTEX: - ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); - ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); - break; - case SYNC_IBUF_HEADER: - ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); - ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); - ut_a(!sync_thread_levels_contain(array, - SYNC_IBUF_PESS_INSERT_MUTEX)); - break; - case SYNC_DICT: -#ifdef UNIV_DEBUG - ut_a(buf_debug_prints - || sync_thread_levels_g(array, SYNC_DICT, TRUE)); -#else /* UNIV_DEBUG */ - ut_a(sync_thread_levels_g(array, SYNC_DICT, TRUE)); -#endif /* UNIV_DEBUG */ - break; - default: - ut_error; - } - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(array, i); - - if (slot->latch == NULL) { - slot->latch = latch; - slot->level = level; - - break; - } - } - - ut_a(i < SYNC_THREAD_N_LEVELS); - - mutex_exit(&sync_thread_mutex); -} - -/******************************************************************//** -Removes a latch from the thread level array if it is found there. -@return TRUE if found in the array; it is no error if the latch is -not found, as we presently are not able to determine the level for -every latch reservation the program does */ -UNIV_INTERN -ibool -sync_thread_reset_level( -/*====================*/ - void* latch) /*!< in: pointer to a mutex or an rw-lock */ -{ - sync_level_t* array; - sync_level_t* slot; - sync_thread_t* thread_slot; - ulint i; - - if (!sync_order_checks_on) { - - return(FALSE); - } - - if ((latch == (void*)&sync_thread_mutex) - || (latch == (void*)&mutex_list_mutex) - || (latch == (void*)&rw_lock_debug_mutex) - || (latch == (void*)&rw_lock_list_mutex)) { - - return(FALSE); - } - - mutex_enter(&sync_thread_mutex); - - thread_slot = sync_thread_level_arrays_find_slot(); - - if (thread_slot == NULL) { - - ut_error; - - mutex_exit(&sync_thread_mutex); - return(FALSE); - } - - array = thread_slot->levels; - - for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { - - slot = sync_thread_levels_get_nth(array, i); - - if (slot->latch == latch) { - slot->latch = NULL; - - mutex_exit(&sync_thread_mutex); - - return(TRUE); - } - } - - if (((mutex_t*) latch)->magic_n != MUTEX_MAGIC_N) { - rw_lock_t* rw_lock; - - rw_lock = (rw_lock_t*) latch; - - if (rw_lock->level == SYNC_LEVEL_VARYING) { - mutex_exit(&sync_thread_mutex); - - return(TRUE); - } - } - - ut_error; - - mutex_exit(&sync_thread_mutex); - - return(FALSE); -} -#endif /* UNIV_SYNC_DEBUG */ - -/******************************************************************//** -Initializes the synchronization data structures. */ -UNIV_INTERN -void -sync_init(void) -/*===========*/ -{ -#ifdef UNIV_SYNC_DEBUG - sync_thread_t* thread_slot; - ulint i; -#endif /* UNIV_SYNC_DEBUG */ - - ut_a(sync_initialized == FALSE); - - sync_initialized = TRUE; - - /* Create the primary system wait array which is protected by an OS - mutex */ - - sync_primary_wait_array = sync_array_create(OS_THREAD_MAX_N, - SYNC_ARRAY_OS_MUTEX); -#ifdef UNIV_SYNC_DEBUG - /* Create the thread latch level array where the latch levels - are stored for each OS thread */ - - sync_thread_level_arrays = ut_malloc(OS_THREAD_MAX_N - * sizeof(sync_thread_t)); - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - thread_slot = sync_thread_level_arrays_get_nth(i); - thread_slot->levels = NULL; - } -#endif /* UNIV_SYNC_DEBUG */ - /* Init the mutex list and create the mutex to protect it. */ - - UT_LIST_INIT(mutex_list); - mutex_create(&mutex_list_mutex, SYNC_NO_ORDER_CHECK); -#ifdef UNIV_SYNC_DEBUG - mutex_create(&sync_thread_mutex, SYNC_NO_ORDER_CHECK); -#endif /* UNIV_SYNC_DEBUG */ - - /* Init the rw-lock list and create the mutex to protect it. */ - - UT_LIST_INIT(rw_lock_list); - mutex_create(&rw_lock_list_mutex, SYNC_NO_ORDER_CHECK); - -#ifdef UNIV_SYNC_DEBUG - mutex_create(&rw_lock_debug_mutex, SYNC_NO_ORDER_CHECK); - - rw_lock_debug_event = os_event_create(NULL); - rw_lock_debug_waiters = FALSE; -#endif /* UNIV_SYNC_DEBUG */ -} - -/******************************************************************//** -Frees the resources in InnoDB's own synchronization data structures. Use -os_sync_free() after calling this. */ -UNIV_INTERN -void -sync_close(void) -/*===========*/ -{ - mutex_t* mutex; - - sync_array_free(sync_primary_wait_array); - - mutex = UT_LIST_GET_FIRST(mutex_list); - - while (mutex) { -#ifdef UNIV_MEM_DEBUG - if (mutex == &mem_hash_mutex) { - mutex = UT_LIST_GET_NEXT(list, mutex); - continue; - } -#endif /* UNIV_MEM_DEBUG */ - mutex_free(mutex); - mutex = UT_LIST_GET_FIRST(mutex_list); - } - - mutex_free(&mutex_list_mutex); -#ifdef UNIV_SYNC_DEBUG - mutex_free(&sync_thread_mutex); - - /* Switch latching order checks on in sync0sync.c */ - sync_order_checks_on = FALSE; -#endif /* UNIV_SYNC_DEBUG */ - - sync_initialized = FALSE; -} - -/*******************************************************************//** -Prints wait info of the sync system. */ -UNIV_INTERN -void -sync_print_wait_info( -/*=================*/ - FILE* file) /*!< in: file where to print */ -{ -#ifdef UNIV_SYNC_DEBUG - fprintf(file, "Mutex exits %llu, rws exits %llu, rwx exits %llu\n", - mutex_exit_count, rw_s_exit_count, rw_x_exit_count); -#endif - - fprintf(file, - "Mutex spin waits %llu, rounds %llu, OS waits %llu\n" - "RW-shared spins %llu, OS waits %llu;" - " RW-excl spins %llu, OS waits %llu\n", - mutex_spin_wait_count, - mutex_spin_round_count, - mutex_os_wait_count, - rw_s_spin_wait_count, - rw_s_os_wait_count, - rw_x_spin_wait_count, - rw_x_os_wait_count); - - fprintf(file, - "Spin rounds per wait: %.2f mutex, %.2f RW-shared, " - "%.2f RW-excl\n", - (double) mutex_spin_round_count / - (mutex_spin_wait_count ? mutex_spin_wait_count : 1), - (double) rw_s_spin_round_count / - (rw_s_spin_wait_count ? rw_s_spin_wait_count : 1), - (double) rw_x_spin_round_count / - (rw_x_spin_wait_count ? rw_x_spin_wait_count : 1)); -} - -/*******************************************************************//** -Prints info of the sync system. */ -UNIV_INTERN -void -sync_print( -/*=======*/ - FILE* file) /*!< in: file where to print */ -{ -#ifdef UNIV_SYNC_DEBUG - mutex_list_print_info(file); - - rw_lock_list_print_info(file); -#endif /* UNIV_SYNC_DEBUG */ - - sync_array_print_info(file, sync_primary_wait_array); - - sync_print_wait_info(file); -} diff --git a/perfschema/thr/thr0loc.c b/perfschema/thr/thr0loc.c deleted file mode 100644 index 59a234a6b72..00000000000 --- a/perfschema/thr/thr0loc.c +++ /dev/null @@ -1,279 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file thr/thr0loc.c -The thread local storage - -Created 10/5/1995 Heikki Tuuri -*******************************************************/ - -#include "thr0loc.h" -#ifdef UNIV_NONINL -#include "thr0loc.ic" -#endif - -#include "sync0sync.h" -#include "hash0hash.h" -#include "mem0mem.h" -#include "srv0srv.h" - -/* - IMPLEMENTATION OF THREAD LOCAL STORAGE - ====================================== - -The threads sometimes need private data which depends on the thread id. -This is implemented as a hash table, where the hash value is calculated -from the thread id, to prepare for a large number of threads. The hash table -is protected by a mutex. If you need modify the program and put new data to -the thread local storage, just add it to struct thr_local_struct in the -header file. */ - -/** Mutex protecting thr_local_hash */ -static mutex_t thr_local_mutex; - -/** The hash table. The module is not yet initialized when it is NULL. */ -static hash_table_t* thr_local_hash = NULL; - -/** Thread local data */ -typedef struct thr_local_struct thr_local_t; - -/** @brief Thread local data. -The private data for each thread should be put to -the structure below and the accessor functions written -for the field. */ -struct thr_local_struct{ - os_thread_id_t id; /*!< id of the thread which owns this struct */ - os_thread_t handle; /*!< operating system handle to the thread */ - ulint slot_no;/*!< the index of the slot in the thread table - for this thread */ - ibool in_ibuf;/*!< TRUE if the thread is doing an ibuf - operation */ - hash_node_t hash; /*!< hash chain node */ - ulint magic_n;/*!< magic number (THR_LOCAL_MAGIC_N) */ -}; - -/** The value of thr_local_struct::magic_n */ -#define THR_LOCAL_MAGIC_N 1231234 - -/*******************************************************************//** -Returns the local storage struct for a thread. -@return local storage */ -static -thr_local_t* -thr_local_get( -/*==========*/ - os_thread_id_t id) /*!< in: thread id of the thread */ -{ - thr_local_t* local; - -try_again: - ut_ad(thr_local_hash); - ut_ad(mutex_own(&thr_local_mutex)); - - /* Look for the local struct in the hash table */ - - local = NULL; - - HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), - thr_local_t*, local,, os_thread_eq(local->id, id)); - if (local == NULL) { - mutex_exit(&thr_local_mutex); - - thr_local_create(); - - mutex_enter(&thr_local_mutex); - - goto try_again; - } - - ut_ad(local->magic_n == THR_LOCAL_MAGIC_N); - - return(local); -} - -/*******************************************************************//** -Gets the slot number in the thread table of a thread. -@return slot number */ -UNIV_INTERN -ulint -thr_local_get_slot_no( -/*==================*/ - os_thread_id_t id) /*!< in: thread id of the thread */ -{ - ulint slot_no; - thr_local_t* local; - - mutex_enter(&thr_local_mutex); - - local = thr_local_get(id); - - slot_no = local->slot_no; - - mutex_exit(&thr_local_mutex); - - return(slot_no); -} - -/*******************************************************************//** -Sets the slot number in the thread table of a thread. */ -UNIV_INTERN -void -thr_local_set_slot_no( -/*==================*/ - os_thread_id_t id, /*!< in: thread id of the thread */ - ulint slot_no)/*!< in: slot number */ -{ - thr_local_t* local; - - mutex_enter(&thr_local_mutex); - - local = thr_local_get(id); - - local->slot_no = slot_no; - - mutex_exit(&thr_local_mutex); -} - -/*******************************************************************//** -Returns pointer to the 'in_ibuf' field within the current thread local -storage. -@return pointer to the in_ibuf field */ -UNIV_INTERN -ibool* -thr_local_get_in_ibuf_field(void) -/*=============================*/ -{ - thr_local_t* local; - - mutex_enter(&thr_local_mutex); - - local = thr_local_get(os_thread_get_curr_id()); - - mutex_exit(&thr_local_mutex); - - return(&(local->in_ibuf)); -} - -/*******************************************************************//** -Creates a local storage struct for the calling new thread. */ -UNIV_INTERN -void -thr_local_create(void) -/*==================*/ -{ - thr_local_t* local; - - if (thr_local_hash == NULL) { - thr_local_init(); - } - - local = mem_alloc(sizeof(thr_local_t)); - - local->id = os_thread_get_curr_id(); - local->handle = os_thread_get_curr(); - local->magic_n = THR_LOCAL_MAGIC_N; - - local->in_ibuf = FALSE; - - mutex_enter(&thr_local_mutex); - - HASH_INSERT(thr_local_t, hash, thr_local_hash, - os_thread_pf(os_thread_get_curr_id()), - local); - - mutex_exit(&thr_local_mutex); -} - -/*******************************************************************//** -Frees the local storage struct for the specified thread. */ -UNIV_INTERN -void -thr_local_free( -/*===========*/ - os_thread_id_t id) /*!< in: thread id */ -{ - thr_local_t* local; - - mutex_enter(&thr_local_mutex); - - /* Look for the local struct in the hash table */ - - HASH_SEARCH(hash, thr_local_hash, os_thread_pf(id), - thr_local_t*, local,, os_thread_eq(local->id, id)); - if (local == NULL) { - mutex_exit(&thr_local_mutex); - - return; - } - - HASH_DELETE(thr_local_t, hash, thr_local_hash, - os_thread_pf(id), local); - - mutex_exit(&thr_local_mutex); - - ut_a(local->magic_n == THR_LOCAL_MAGIC_N); - - mem_free(local); -} - -/****************************************************************//** -Initializes the thread local storage module. */ -UNIV_INTERN -void -thr_local_init(void) -/*================*/ -{ - - ut_a(thr_local_hash == NULL); - - thr_local_hash = hash_create(OS_THREAD_MAX_N + 100); - - mutex_create(&thr_local_mutex, SYNC_THR_LOCAL); -} - -/******************************************************************** -Close the thread local storage module. */ -UNIV_INTERN -void -thr_local_close(void) -/*=================*/ -{ - ulint i; - - ut_a(thr_local_hash != NULL); - - /* Free the hash elements. We don't remove them from the table - because we are going to destroy the table anyway. */ - for (i = 0; i < hash_get_n_cells(thr_local_hash); i++) { - thr_local_t* local; - - local = HASH_GET_FIRST(thr_local_hash, i); - - while (local) { - thr_local_t* prev_local = local; - - local = HASH_GET_NEXT(hash, prev_local); - ut_a(prev_local->magic_n == THR_LOCAL_MAGIC_N); - mem_free(prev_local); - } - } - - hash_table_free(thr_local_hash); - thr_local_hash = NULL; -} diff --git a/perfschema/trx/trx0i_s.c b/perfschema/trx/trx0i_s.c deleted file mode 100644 index 1b20eaabf42..00000000000 --- a/perfschema/trx/trx0i_s.c +++ /dev/null @@ -1,1476 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0i_s.c -INFORMATION SCHEMA innodb_trx, innodb_locks and -innodb_lock_waits tables fetch code. - -The code below fetches information needed to fill those -3 dynamic tables and uploads it into a "transactions -table cache" for later retrieval. - -Created July 17, 2007 Vasil Dimov -*******************************************************/ - -#include - -#include "mysql_addons.h" - -#include "univ.i" -#include "buf0buf.h" -#include "dict0dict.h" -#include "ha0storage.h" -#include "ha_prototypes.h" -#include "hash0hash.h" -#include "lock0iter.h" -#include "lock0lock.h" -#include "mem0mem.h" -#include "page0page.h" -#include "rem0rec.h" -#include "row0row.h" -#include "srv0srv.h" -#include "sync0rw.h" -#include "sync0sync.h" -#include "sync0types.h" -#include "trx0i_s.h" -#include "trx0sys.h" -#include "trx0trx.h" -#include "ut0mem.h" -#include "ut0ut.h" - -/** Initial number of rows in the table cache */ -#define TABLE_CACHE_INITIAL_ROWSNUM 1024 - -/** @brief The maximum number of chunks to allocate for a table cache. - -The rows of a table cache are stored in a set of chunks. When a new -row is added a new chunk is allocated if necessary. Assuming that the -first one is 1024 rows (TABLE_CACHE_INITIAL_ROWSNUM) and each -subsequent is N/2 where N is the number of rows we have allocated till -now, then 39th chunk would accommodate 1677416425 rows and all chunks -would accommodate 3354832851 rows. */ -#define MEM_CHUNKS_IN_TABLE_CACHE 39 - -/** The following are some testing auxiliary macros. Do not enable them -in a production environment. */ -/* @{ */ - -#if 0 -/** If this is enabled then lock folds will always be different -resulting in equal rows being put in a different cells of the hash -table. Checking for duplicates will be flawed because different -fold will be calculated when a row is searched in the hash table. */ -#define TEST_LOCK_FOLD_ALWAYS_DIFFERENT -#endif - -#if 0 -/** This effectively kills the search-for-duplicate-before-adding-a-row -function, but searching in the hash is still performed. It will always -be assumed that lock is not present and insertion will be performed in -the hash table. */ -#define TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T -#endif - -#if 0 -/** This aggressively repeats adding each row many times. Depending on -the above settings this may be noop or may result in lots of rows being -added. */ -#define TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES -#endif - -#if 0 -/** Very similar to TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T but hash -table search is not performed at all. */ -#define TEST_DO_NOT_CHECK_FOR_DUPLICATE_ROWS -#endif - -#if 0 -/** Do not insert each row into the hash table, duplicates may appear -if this is enabled, also if this is enabled searching into the hash is -noop because it will be empty. */ -#define TEST_DO_NOT_INSERT_INTO_THE_HASH_TABLE -#endif -/* @} */ - -/** Memory limit passed to ha_storage_put_memlim(). -@param cache hash storage -@return maximum allowed allocation size */ -#define MAX_ALLOWED_FOR_STORAGE(cache) \ - (TRX_I_S_MEM_LIMIT \ - - (cache)->mem_allocd) - -/** Memory limit in table_cache_create_empty_row(). -@param cache hash storage -@return maximum allowed allocation size */ -#define MAX_ALLOWED_FOR_ALLOC(cache) \ - (TRX_I_S_MEM_LIMIT \ - - (cache)->mem_allocd \ - - ha_storage_get_size((cache)->storage)) - -/** Memory for each table in the intermediate buffer is allocated in -separate chunks. These chunks are considered to be concatenated to -represent one flat array of rows. */ -typedef struct i_s_mem_chunk_struct { - ulint offset; /*!< offset, in number of rows */ - ulint rows_allocd; /*!< the size of this chunk, in number - of rows */ - void* base; /*!< start of the chunk */ -} i_s_mem_chunk_t; - -/** This represents one table's cache. */ -typedef struct i_s_table_cache_struct { - ulint rows_used; /*!< number of used rows */ - ulint rows_allocd; /*!< number of allocated rows */ - ulint row_size; /*!< size of a single row */ - i_s_mem_chunk_t chunks[MEM_CHUNKS_IN_TABLE_CACHE]; /*!< array of - memory chunks that stores the - rows */ -} i_s_table_cache_t; - -/** This structure describes the intermediate buffer */ -struct trx_i_s_cache_struct { - rw_lock_t rw_lock; /*!< read-write lock protecting - the rest of this structure */ - ullint last_read; /*!< last time the cache was read; - measured in microseconds since - epoch */ - mutex_t last_read_mutex;/*!< mutex protecting the - last_read member - it is updated - inside a shared lock of the - rw_lock member */ - i_s_table_cache_t innodb_trx; /*!< innodb_trx table */ - i_s_table_cache_t innodb_locks; /*!< innodb_locks table */ - i_s_table_cache_t innodb_lock_waits;/*!< innodb_lock_waits table */ -/** the hash table size is LOCKS_HASH_CELLS_NUM * sizeof(void*) bytes */ -#define LOCKS_HASH_CELLS_NUM 10000 - hash_table_t* locks_hash; /*!< hash table used to eliminate - duplicate entries in the - innodb_locks table */ -/** Initial size of the cache storage */ -#define CACHE_STORAGE_INITIAL_SIZE 1024 -/** Number of hash cells in the cache storage */ -#define CACHE_STORAGE_HASH_CELLS 2048 - ha_storage_t* storage; /*!< storage for external volatile - data that can possibly not be - available later, when we release - the kernel mutex */ - ulint mem_allocd; /*!< the amount of memory - allocated with mem_alloc*() */ - ibool is_truncated; /*!< this is TRUE if the memory - limit was hit and thus the data - in the cache is truncated */ -}; - -/** This is the intermediate buffer where data needed to fill the -INFORMATION SCHEMA tables is fetched and later retrieved by the C++ -code in handler/i_s.cc. */ -static trx_i_s_cache_t trx_i_s_cache_static; -/** This is the intermediate buffer where data needed to fill the -INFORMATION SCHEMA tables is fetched and later retrieved by the C++ -code in handler/i_s.cc. */ -UNIV_INTERN trx_i_s_cache_t* trx_i_s_cache = &trx_i_s_cache_static; - -/*******************************************************************//** -For a record lock that is in waiting state retrieves the only bit that -is set, for a table lock returns ULINT_UNDEFINED. -@return record number within the heap */ -static -ulint -wait_lock_get_heap_no( -/*==================*/ - const lock_t* lock) /*!< in: lock */ -{ - ulint ret; - - switch (lock_get_type(lock)) { - case LOCK_REC: - ret = lock_rec_find_set_bit(lock); - ut_a(ret != ULINT_UNDEFINED); - break; - case LOCK_TABLE: - ret = ULINT_UNDEFINED; - break; - default: - ut_error; - } - - return(ret); -} - -/*******************************************************************//** -Initializes the members of a table cache. */ -static -void -table_cache_init( -/*=============*/ - i_s_table_cache_t* table_cache, /*!< out: table cache */ - size_t row_size) /*!< in: the size of a - row */ -{ - ulint i; - - table_cache->rows_used = 0; - table_cache->rows_allocd = 0; - table_cache->row_size = row_size; - - for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { - - /* the memory is actually allocated in - table_cache_create_empty_row() */ - table_cache->chunks[i].base = NULL; - } -} - -/*******************************************************************//** -Frees a table cache. */ -static -void -table_cache_free( -/*=============*/ - i_s_table_cache_t* table_cache) /*!< in/out: table cache */ -{ - ulint i; - - for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { - - /* the memory is actually allocated in - table_cache_create_empty_row() */ - if (table_cache->chunks[i].base) { - mem_free(table_cache->chunks[i].base); - table_cache->chunks[i].base = NULL; - } - } -} - -/*******************************************************************//** -Returns an empty row from a table cache. The row is allocated if no more -empty rows are available. The number of used rows is incremented. -If the memory limit is hit then NULL is returned and nothing is -allocated. -@return empty row, or NULL if out of memory */ -static -void* -table_cache_create_empty_row( -/*=========================*/ - i_s_table_cache_t* table_cache, /*!< in/out: table cache */ - trx_i_s_cache_t* cache) /*!< in/out: cache to record - how many bytes are - allocated */ -{ - ulint i; - void* row; - - ut_a(table_cache->rows_used <= table_cache->rows_allocd); - - if (table_cache->rows_used == table_cache->rows_allocd) { - - /* rows_used == rows_allocd means that new chunk needs - to be allocated: either no more empty rows in the - last allocated chunk or nothing has been allocated yet - (rows_num == rows_allocd == 0); */ - - i_s_mem_chunk_t* chunk; - ulint req_bytes; - ulint got_bytes; - ulint req_rows; - ulint got_rows; - - /* find the first not allocated chunk */ - for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { - - if (table_cache->chunks[i].base == NULL) { - - break; - } - } - - /* i == MEM_CHUNKS_IN_TABLE_CACHE means that all chunks - have been allocated :-X */ - ut_a(i < MEM_CHUNKS_IN_TABLE_CACHE); - - /* allocate the chunk we just found */ - - if (i == 0) { - - /* first chunk, nothing is allocated yet */ - req_rows = TABLE_CACHE_INITIAL_ROWSNUM; - } else { - - /* Memory is increased by the formula - new = old + old / 2; We are trying not to be - aggressive here (= using the common new = old * 2) - because the allocated memory will not be freed - until InnoDB exit (it is reused). So it is better - to once allocate the memory in more steps, but - have less unused/wasted memory than to use less - steps in allocation (which is done once in a - lifetime) but end up with lots of unused/wasted - memory. */ - req_rows = table_cache->rows_allocd / 2; - } - req_bytes = req_rows * table_cache->row_size; - - if (req_bytes > MAX_ALLOWED_FOR_ALLOC(cache)) { - - return(NULL); - } - - chunk = &table_cache->chunks[i]; - - chunk->base = mem_alloc2(req_bytes, &got_bytes); - - got_rows = got_bytes / table_cache->row_size; - - cache->mem_allocd += got_bytes; - -#if 0 - printf("allocating chunk %d req bytes=%lu, got bytes=%lu, " - "row size=%lu, " - "req rows=%lu, got rows=%lu\n", - i, req_bytes, got_bytes, - table_cache->row_size, - req_rows, got_rows); -#endif - - chunk->rows_allocd = got_rows; - - table_cache->rows_allocd += got_rows; - - /* adjust the offset of the next chunk */ - if (i < MEM_CHUNKS_IN_TABLE_CACHE - 1) { - - table_cache->chunks[i + 1].offset - = chunk->offset + chunk->rows_allocd; - } - - /* return the first empty row in the newly allocated - chunk */ - row = chunk->base; - } else { - - char* chunk_start; - ulint offset; - - /* there is an empty row, no need to allocate new - chunks */ - - /* find the first chunk that contains allocated but - empty/unused rows */ - for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { - - if (table_cache->chunks[i].offset - + table_cache->chunks[i].rows_allocd - > table_cache->rows_used) { - - break; - } - } - - /* i == MEM_CHUNKS_IN_TABLE_CACHE means that all chunks - are full, but - table_cache->rows_used != table_cache->rows_allocd means - exactly the opposite - there are allocated but - empty/unused rows :-X */ - ut_a(i < MEM_CHUNKS_IN_TABLE_CACHE); - - chunk_start = (char*) table_cache->chunks[i].base; - offset = table_cache->rows_used - - table_cache->chunks[i].offset; - - row = chunk_start + offset * table_cache->row_size; - } - - table_cache->rows_used++; - - return(row); -} - -/*******************************************************************//** -Fills i_s_trx_row_t object. -If memory can not be allocated then FALSE is returned. -@return FALSE if allocation fails */ -static -ibool -fill_trx_row( -/*=========*/ - i_s_trx_row_t* row, /*!< out: result object - that's filled */ - const trx_t* trx, /*!< in: transaction to - get data from */ - const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the - corresponding row in - innodb_locks if trx is - waiting or NULL if trx - is not waiting */ - trx_i_s_cache_t* cache) /*!< in/out: cache into - which to copy volatile - strings */ -{ - row->trx_id = trx_get_id(trx); - row->trx_started = (ib_time_t) trx->start_time; - row->trx_state = trx_get_que_state_str(trx); - - if (trx->wait_lock != NULL) { - - ut_a(requested_lock_row != NULL); - - row->requested_lock_row = requested_lock_row; - row->trx_wait_started = (ib_time_t) trx->wait_started; - } else { - - ut_a(requested_lock_row == NULL); - - row->requested_lock_row = NULL; - row->trx_wait_started = 0; - } - - row->trx_weight = (ullint) ut_conv_dulint_to_longlong(TRX_WEIGHT(trx)); - - if (trx->mysql_thd != NULL) { - row->trx_mysql_thread_id - = thd_get_thread_id(trx->mysql_thd); - } else { - /* For internal transactions e.g., purge and transactions - being recovered at startup there is no associated MySQL - thread data structure. */ - row->trx_mysql_thread_id = 0; - } - - if (trx->mysql_query_str != NULL && *trx->mysql_query_str != NULL) { - - if (strlen(*trx->mysql_query_str) - > TRX_I_S_TRX_QUERY_MAX_LEN) { - - char query[TRX_I_S_TRX_QUERY_MAX_LEN + 1]; - - memcpy(query, *trx->mysql_query_str, - TRX_I_S_TRX_QUERY_MAX_LEN); - query[TRX_I_S_TRX_QUERY_MAX_LEN] = '\0'; - - row->trx_query = ha_storage_put_memlim( - cache->storage, query, - TRX_I_S_TRX_QUERY_MAX_LEN + 1, - MAX_ALLOWED_FOR_STORAGE(cache)); - } else { - - row->trx_query = ha_storage_put_str_memlim( - cache->storage, *trx->mysql_query_str, - MAX_ALLOWED_FOR_STORAGE(cache)); - } - - if (row->trx_query == NULL) { - - return(FALSE); - } - } else { - - row->trx_query = NULL; - } - - return(TRUE); -} - -/*******************************************************************//** -Format the nth field of "rec" and put it in "buf". The result is always -NUL-terminated. Returns the number of bytes that were written to "buf" -(including the terminating NUL). -@return end of the result */ -static -ulint -put_nth_field( -/*==========*/ - char* buf, /*!< out: buffer */ - ulint buf_size,/*!< in: buffer size in bytes */ - ulint n, /*!< in: number of field */ - const dict_index_t* index, /*!< in: index */ - const rec_t* rec, /*!< in: record */ - const ulint* offsets)/*!< in: record offsets, returned - by rec_get_offsets() */ -{ - const byte* data; - ulint data_len; - dict_field_t* dict_field; - ulint ret; - - ut_ad(rec_offs_validate(rec, NULL, offsets)); - - if (buf_size == 0) { - - return(0); - } - - ret = 0; - - if (n > 0) { - /* we must append ", " before the actual data */ - - if (buf_size < 3) { - - buf[0] = '\0'; - return(1); - } - - memcpy(buf, ", ", 3); - - buf += 2; - buf_size -= 2; - ret += 2; - } - - /* now buf_size >= 1 */ - - data = rec_get_nth_field(rec, offsets, n, &data_len); - - dict_field = dict_index_get_nth_field(index, n); - - ret += row_raw_format((const char*) data, data_len, - dict_field, buf, buf_size); - - return(ret); -} - -/*******************************************************************//** -Fills the "lock_data" member of i_s_locks_row_t object. -If memory can not be allocated then FALSE is returned. -@return FALSE if allocation fails */ -static -ibool -fill_lock_data( -/*===========*/ - const char** lock_data,/*!< out: "lock_data" to fill */ - const lock_t* lock, /*!< in: lock used to find the data */ - ulint heap_no,/*!< in: rec num used to find the data */ - trx_i_s_cache_t* cache) /*!< in/out: cache where to store - volatile data */ -{ - mtr_t mtr; - - const buf_block_t* block; - const page_t* page; - const rec_t* rec; - - ut_a(lock_get_type(lock) == LOCK_REC); - - mtr_start(&mtr); - - block = buf_page_try_get(lock_rec_get_space_id(lock), - lock_rec_get_page_no(lock), - &mtr); - - if (block == NULL) { - - *lock_data = NULL; - - mtr_commit(&mtr); - - return(TRUE); - } - - page = (const page_t*) buf_block_get_frame(block); - - rec = page_find_rec_with_heap_no(page, heap_no); - - if (page_rec_is_infimum(rec)) { - - *lock_data = ha_storage_put_str_memlim( - cache->storage, "infimum pseudo-record", - MAX_ALLOWED_FOR_STORAGE(cache)); - } else if (page_rec_is_supremum(rec)) { - - *lock_data = ha_storage_put_str_memlim( - cache->storage, "supremum pseudo-record", - MAX_ALLOWED_FOR_STORAGE(cache)); - } else { - - const dict_index_t* index; - ulint n_fields; - mem_heap_t* heap; - ulint offsets_onstack[REC_OFFS_NORMAL_SIZE]; - ulint* offsets; - char buf[TRX_I_S_LOCK_DATA_MAX_LEN]; - ulint buf_used; - ulint i; - - rec_offs_init(offsets_onstack); - offsets = offsets_onstack; - - index = lock_rec_get_index(lock); - - n_fields = dict_index_get_n_unique(index); - - ut_a(n_fields > 0); - - heap = NULL; - offsets = rec_get_offsets(rec, index, offsets, n_fields, - &heap); - - /* format and store the data */ - - buf_used = 0; - for (i = 0; i < n_fields; i++) { - - buf_used += put_nth_field( - buf + buf_used, sizeof(buf) - buf_used, - i, index, rec, offsets) - 1; - } - - *lock_data = (const char*) ha_storage_put_memlim( - cache->storage, buf, buf_used + 1, - MAX_ALLOWED_FOR_STORAGE(cache)); - - if (UNIV_UNLIKELY(heap != NULL)) { - - /* this means that rec_get_offsets() has created a new - heap and has stored offsets in it; check that this is - really the case and free the heap */ - ut_a(offsets != offsets_onstack); - mem_heap_free(heap); - } - } - - mtr_commit(&mtr); - - if (*lock_data == NULL) { - - return(FALSE); - } - - return(TRUE); -} - -/*******************************************************************//** -Fills i_s_locks_row_t object. Returns its first argument. -If memory can not be allocated then FALSE is returned. -@return FALSE if allocation fails */ -static -ibool -fill_locks_row( -/*===========*/ - i_s_locks_row_t* row, /*!< out: result object that's filled */ - const lock_t* lock, /*!< in: lock to get data from */ - ulint heap_no,/*!< in: lock's record number - or ULINT_UNDEFINED if the lock - is a table lock */ - trx_i_s_cache_t* cache) /*!< in/out: cache into which to copy - volatile strings */ -{ - row->lock_trx_id = lock_get_trx_id(lock); - row->lock_mode = lock_get_mode_str(lock); - row->lock_type = lock_get_type_str(lock); - - row->lock_table = ha_storage_put_str_memlim( - cache->storage, lock_get_table_name(lock), - MAX_ALLOWED_FOR_STORAGE(cache)); - - /* memory could not be allocated */ - if (row->lock_table == NULL) { - - return(FALSE); - } - - switch (lock_get_type(lock)) { - case LOCK_REC: - row->lock_index = ha_storage_put_str_memlim( - cache->storage, lock_rec_get_index_name(lock), - MAX_ALLOWED_FOR_STORAGE(cache)); - - /* memory could not be allocated */ - if (row->lock_index == NULL) { - - return(FALSE); - } - - row->lock_space = lock_rec_get_space_id(lock); - row->lock_page = lock_rec_get_page_no(lock); - row->lock_rec = heap_no; - - if (!fill_lock_data(&row->lock_data, lock, heap_no, cache)) { - - /* memory could not be allocated */ - return(FALSE); - } - - break; - case LOCK_TABLE: - row->lock_index = NULL; - - row->lock_space = ULINT_UNDEFINED; - row->lock_page = ULINT_UNDEFINED; - row->lock_rec = ULINT_UNDEFINED; - - row->lock_data = NULL; - - break; - default: - ut_error; - } - - row->lock_table_id = lock_get_table_id(lock); - - row->hash_chain.value = row; - - return(TRUE); -} - -/*******************************************************************//** -Fills i_s_lock_waits_row_t object. Returns its first argument. -@return result object that's filled */ -static -i_s_lock_waits_row_t* -fill_lock_waits_row( -/*================*/ - i_s_lock_waits_row_t* row, /*!< out: result object - that's filled */ - const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the - relevant requested lock - row in innodb_locks */ - const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the - relevant blocking lock - row in innodb_locks */ -{ - row->requested_lock_row = requested_lock_row; - row->blocking_lock_row = blocking_lock_row; - - return(row); -} - -/*******************************************************************//** -Calculates a hash fold for a lock. For a record lock the fold is -calculated from 4 elements, which uniquely identify a lock at a given -point in time: transaction id, space id, page number, record number. -For a table lock the fold is table's id. -@return fold */ -static -ulint -fold_lock( -/*======*/ - const lock_t* lock, /*!< in: lock object to fold */ - ulint heap_no)/*!< in: lock's record number - or ULINT_UNDEFINED if the lock - is a table lock */ -{ -#ifdef TEST_LOCK_FOLD_ALWAYS_DIFFERENT - static ulint fold = 0; - - return(fold++); -#else - ulint ret; - - switch (lock_get_type(lock)) { - case LOCK_REC: - ut_a(heap_no != ULINT_UNDEFINED); - - ret = ut_fold_ulint_pair((ulint) lock_get_trx_id(lock), - lock_rec_get_space_id(lock)); - - ret = ut_fold_ulint_pair(ret, - lock_rec_get_page_no(lock)); - - ret = ut_fold_ulint_pair(ret, heap_no); - - break; - case LOCK_TABLE: - /* this check is actually not necessary for continuing - correct operation, but something must have gone wrong if - it fails. */ - ut_a(heap_no == ULINT_UNDEFINED); - - ret = (ulint) lock_get_table_id(lock); - - break; - default: - ut_error; - } - - return(ret); -#endif -} - -/*******************************************************************//** -Checks whether i_s_locks_row_t object represents a lock_t object. -@return TRUE if they match */ -static -ibool -locks_row_eq_lock( -/*==============*/ - const i_s_locks_row_t* row, /*!< in: innodb_locks row */ - const lock_t* lock, /*!< in: lock object */ - ulint heap_no)/*!< in: lock's record number - or ULINT_UNDEFINED if the lock - is a table lock */ -{ -#ifdef TEST_NO_LOCKS_ROW_IS_EVER_EQUAL_TO_LOCK_T - return(0); -#else - switch (lock_get_type(lock)) { - case LOCK_REC: - ut_a(heap_no != ULINT_UNDEFINED); - - return(row->lock_trx_id == lock_get_trx_id(lock) - && row->lock_space == lock_rec_get_space_id(lock) - && row->lock_page == lock_rec_get_page_no(lock) - && row->lock_rec == heap_no); - - case LOCK_TABLE: - /* this check is actually not necessary for continuing - correct operation, but something must have gone wrong if - it fails. */ - ut_a(heap_no == ULINT_UNDEFINED); - - return(row->lock_trx_id == lock_get_trx_id(lock) - && row->lock_table_id == lock_get_table_id(lock)); - - default: - ut_error; - return(FALSE); - } -#endif -} - -/*******************************************************************//** -Searches for a row in the innodb_locks cache that has a specified id. -This happens in O(1) time since a hash table is used. Returns pointer to -the row or NULL if none is found. -@return row or NULL */ -static -i_s_locks_row_t* -search_innodb_locks( -/*================*/ - trx_i_s_cache_t* cache, /*!< in: cache */ - const lock_t* lock, /*!< in: lock to search for */ - ulint heap_no)/*!< in: lock's record number - or ULINT_UNDEFINED if the lock - is a table lock */ -{ - i_s_hash_chain_t* hash_chain; - - HASH_SEARCH( - /* hash_chain->"next" */ - next, - /* the hash table */ - cache->locks_hash, - /* fold */ - fold_lock(lock, heap_no), - /* the type of the next variable */ - i_s_hash_chain_t*, - /* auxiliary variable */ - hash_chain, - /* assertion on every traversed item */ - , - /* this determines if we have found the lock */ - locks_row_eq_lock(hash_chain->value, lock, heap_no)); - - if (hash_chain == NULL) { - - return(NULL); - } - /* else */ - - return(hash_chain->value); -} - -/*******************************************************************//** -Adds new element to the locks cache, enlarging it if necessary. -Returns a pointer to the added row. If the row is already present then -no row is added and a pointer to the existing row is returned. -If row can not be allocated then NULL is returned. -@return row */ -static -i_s_locks_row_t* -add_lock_to_cache( -/*==============*/ - trx_i_s_cache_t* cache, /*!< in/out: cache */ - const lock_t* lock, /*!< in: the element to add */ - ulint heap_no)/*!< in: lock's record number - or ULINT_UNDEFINED if the lock - is a table lock */ -{ - i_s_locks_row_t* dst_row; - -#ifdef TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES - ulint i; - for (i = 0; i < 10000; i++) { -#endif -#ifndef TEST_DO_NOT_CHECK_FOR_DUPLICATE_ROWS - /* quit if this lock is already present */ - dst_row = search_innodb_locks(cache, lock, heap_no); - if (dst_row != NULL) { - - return(dst_row); - } -#endif - - dst_row = (i_s_locks_row_t*) - table_cache_create_empty_row(&cache->innodb_locks, cache); - - /* memory could not be allocated */ - if (dst_row == NULL) { - - return(NULL); - } - - if (!fill_locks_row(dst_row, lock, heap_no, cache)) { - - /* memory could not be allocated */ - cache->innodb_locks.rows_used--; - return(NULL); - } - -#ifndef TEST_DO_NOT_INSERT_INTO_THE_HASH_TABLE - HASH_INSERT( - /* the type used in the hash chain */ - i_s_hash_chain_t, - /* hash_chain->"next" */ - next, - /* the hash table */ - cache->locks_hash, - /* fold */ - fold_lock(lock, heap_no), - /* add this data to the hash */ - &dst_row->hash_chain); -#endif -#ifdef TEST_ADD_EACH_LOCKS_ROW_MANY_TIMES - } /* for()-loop */ -#endif - - return(dst_row); -} - -/*******************************************************************//** -Adds new pair of locks to the lock waits cache. -If memory can not be allocated then FALSE is returned. -@return FALSE if allocation fails */ -static -ibool -add_lock_wait_to_cache( -/*===================*/ - trx_i_s_cache_t* cache, /*!< in/out: cache */ - const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the - relevant requested lock - row in innodb_locks */ - const i_s_locks_row_t* blocking_lock_row)/*!< in: pointer to the - relevant blocking lock - row in innodb_locks */ -{ - i_s_lock_waits_row_t* dst_row; - - dst_row = (i_s_lock_waits_row_t*) - table_cache_create_empty_row(&cache->innodb_lock_waits, - cache); - - /* memory could not be allocated */ - if (dst_row == NULL) { - - return(FALSE); - } - - fill_lock_waits_row(dst_row, requested_lock_row, blocking_lock_row); - - return(TRUE); -} - -/*******************************************************************//** -Adds transaction's relevant (important) locks to cache. -If the transaction is waiting, then the wait lock is added to -innodb_locks and a pointer to the added row is returned in -requested_lock_row, otherwise requested_lock_row is set to NULL. -If rows can not be allocated then FALSE is returned and the value of -requested_lock_row is undefined. -@return FALSE if allocation fails */ -static -ibool -add_trx_relevant_locks_to_cache( -/*============================*/ - trx_i_s_cache_t* cache, /*!< in/out: cache */ - const trx_t* trx, /*!< in: transaction */ - i_s_locks_row_t** requested_lock_row)/*!< out: pointer to the - requested lock row, or NULL or - undefined */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - /* If transaction is waiting we add the wait lock and all locks - from another transactions that are blocking the wait lock. */ - if (trx->que_state == TRX_QUE_LOCK_WAIT) { - - const lock_t* curr_lock; - ulint wait_lock_heap_no; - i_s_locks_row_t* blocking_lock_row; - lock_queue_iterator_t iter; - - ut_a(trx->wait_lock != NULL); - - wait_lock_heap_no - = wait_lock_get_heap_no(trx->wait_lock); - - /* add the requested lock */ - *requested_lock_row - = add_lock_to_cache(cache, trx->wait_lock, - wait_lock_heap_no); - - /* memory could not be allocated */ - if (*requested_lock_row == NULL) { - - return(FALSE); - } - - /* then iterate over the locks before the wait lock and - add the ones that are blocking it */ - - lock_queue_iterator_reset(&iter, trx->wait_lock, - ULINT_UNDEFINED); - - curr_lock = lock_queue_iterator_get_prev(&iter); - while (curr_lock != NULL) { - - if (lock_has_to_wait(trx->wait_lock, - curr_lock)) { - - /* add the lock that is - blocking trx->wait_lock */ - blocking_lock_row - = add_lock_to_cache( - cache, curr_lock, - /* heap_no is the same - for the wait and waited - locks */ - wait_lock_heap_no); - - /* memory could not be allocated */ - if (blocking_lock_row == NULL) { - - return(FALSE); - } - - /* add the relation between both locks - to innodb_lock_waits */ - if (!add_lock_wait_to_cache( - cache, *requested_lock_row, - blocking_lock_row)) { - - /* memory could not be allocated */ - return(FALSE); - } - } - - curr_lock = lock_queue_iterator_get_prev(&iter); - } - } else { - - *requested_lock_row = NULL; - } - - return(TRUE); -} - -/** The minimum time that a cache must not be updated after it has been -read for the last time; measured in microseconds. We use this technique -to ensure that SELECTs which join several INFORMATION SCHEMA tables read -the same version of the cache. */ -#define CACHE_MIN_IDLE_TIME_US 100000 /* 0.1 sec */ - -/*******************************************************************//** -Checks if the cache can safely be updated. -@return TRUE if can be updated */ -static -ibool -can_cache_be_updated( -/*=================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ - ullint now; - - /* Here we read cache->last_read without acquiring its mutex - because last_read is only updated when a shared rw lock on the - whole cache is being held (see trx_i_s_cache_end_read()) and - we are currently holding an exclusive rw lock on the cache. - So it is not possible for last_read to be updated while we are - reading it. */ - -#ifdef UNIV_SYNC_DEBUG - ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); -#endif - - now = ut_time_us(NULL); - if (now - cache->last_read > CACHE_MIN_IDLE_TIME_US) { - - return(TRUE); - } - - return(FALSE); -} - -/*******************************************************************//** -Declare a cache empty, preparing it to be filled up. Not all resources -are freed because they can be reused. */ -static -void -trx_i_s_cache_clear( -/*================*/ - trx_i_s_cache_t* cache) /*!< out: cache to clear */ -{ - cache->innodb_trx.rows_used = 0; - cache->innodb_locks.rows_used = 0; - cache->innodb_lock_waits.rows_used = 0; - - hash_table_clear(cache->locks_hash); - - ha_storage_empty(&cache->storage); -} - -/*******************************************************************//** -Fetches the data needed to fill the 3 INFORMATION SCHEMA tables into the -table cache buffer. Cache must be locked for write. */ -static -void -fetch_data_into_cache( -/*==================*/ - trx_i_s_cache_t* cache) /*!< in/out: cache */ -{ - trx_t* trx; - i_s_trx_row_t* trx_row; - i_s_locks_row_t* requested_lock_row; - - ut_ad(mutex_own(&kernel_mutex)); - - trx_i_s_cache_clear(cache); - - /* We iterate over the list of all transactions and add each one - to innodb_trx's cache. We also add all locks that are relevant - to each transaction into innodb_locks' and innodb_lock_waits' - caches. */ - - for (trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - trx != NULL; - trx = UT_LIST_GET_NEXT(trx_list, trx)) { - - if (!add_trx_relevant_locks_to_cache(cache, trx, - &requested_lock_row)) { - - cache->is_truncated = TRUE; - return; - } - - trx_row = (i_s_trx_row_t*) - table_cache_create_empty_row(&cache->innodb_trx, - cache); - - /* memory could not be allocated */ - if (trx_row == NULL) { - - cache->is_truncated = TRUE; - return; - } - - if (!fill_trx_row(trx_row, trx, requested_lock_row, cache)) { - - /* memory could not be allocated */ - cache->innodb_trx.rows_used--; - cache->is_truncated = TRUE; - return; - } - } - - cache->is_truncated = FALSE; -} - -/*******************************************************************//** -Update the transactions cache if it has not been read for some time. -Called from handler/i_s.cc. -@return 0 - fetched, 1 - not */ -UNIV_INTERN -int -trx_i_s_possibly_fetch_data_into_cache( -/*===================================*/ - trx_i_s_cache_t* cache) /*!< in/out: cache */ -{ - if (!can_cache_be_updated(cache)) { - - return(1); - } - - /* We need to read trx_sys and record/table lock queues */ - mutex_enter(&kernel_mutex); - - fetch_data_into_cache(cache); - - mutex_exit(&kernel_mutex); - - return(0); -} - -/*******************************************************************//** -Returns TRUE if the data in the cache is truncated due to the memory -limit posed by TRX_I_S_MEM_LIMIT. -@return TRUE if truncated */ -UNIV_INTERN -ibool -trx_i_s_cache_is_truncated( -/*=======================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ - return(cache->is_truncated); -} - -/*******************************************************************//** -Initialize INFORMATION SCHEMA trx related cache. */ -UNIV_INTERN -void -trx_i_s_cache_init( -/*===============*/ - trx_i_s_cache_t* cache) /*!< out: cache to init */ -{ - /* The latching is done in the following order: - acquire trx_i_s_cache_t::rw_lock, X - acquire kernel_mutex - release kernel_mutex - release trx_i_s_cache_t::rw_lock - acquire trx_i_s_cache_t::rw_lock, S - acquire trx_i_s_cache_t::last_read_mutex - release trx_i_s_cache_t::last_read_mutex - release trx_i_s_cache_t::rw_lock */ - - rw_lock_create(&cache->rw_lock, SYNC_TRX_I_S_RWLOCK); - - cache->last_read = 0; - - mutex_create(&cache->last_read_mutex, SYNC_TRX_I_S_LAST_READ); - - table_cache_init(&cache->innodb_trx, sizeof(i_s_trx_row_t)); - table_cache_init(&cache->innodb_locks, sizeof(i_s_locks_row_t)); - table_cache_init(&cache->innodb_lock_waits, - sizeof(i_s_lock_waits_row_t)); - - cache->locks_hash = hash_create(LOCKS_HASH_CELLS_NUM); - - cache->storage = ha_storage_create(CACHE_STORAGE_INITIAL_SIZE, - CACHE_STORAGE_HASH_CELLS); - - cache->mem_allocd = 0; - - cache->is_truncated = FALSE; -} - -/*******************************************************************//** -Free the INFORMATION SCHEMA trx related cache. */ -UNIV_INTERN -void -trx_i_s_cache_free( -/*===============*/ - trx_i_s_cache_t* cache) /*!< in, own: cache to free */ -{ - hash_table_free(cache->locks_hash); - ha_storage_free(cache->storage); - table_cache_free(&cache->innodb_trx); - table_cache_free(&cache->innodb_locks); - table_cache_free(&cache->innodb_lock_waits); - memset(cache, 0, sizeof *cache); -} - -/*******************************************************************//** -Issue a shared/read lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_start_read( -/*=====================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ - rw_lock_s_lock(&cache->rw_lock); -} - -/*******************************************************************//** -Release a shared/read lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_end_read( -/*===================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ - ullint now; - -#ifdef UNIV_SYNC_DEBUG - ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_SHARED)); -#endif - - /* update cache last read time */ - now = ut_time_us(NULL); - mutex_enter(&cache->last_read_mutex); - cache->last_read = now; - mutex_exit(&cache->last_read_mutex); - - rw_lock_s_unlock(&cache->rw_lock); -} - -/*******************************************************************//** -Issue an exclusive/write lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_start_write( -/*======================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ - rw_lock_x_lock(&cache->rw_lock); -} - -/*******************************************************************//** -Release an exclusive/write lock on the tables cache. */ -UNIV_INTERN -void -trx_i_s_cache_end_write( -/*====================*/ - trx_i_s_cache_t* cache) /*!< in: cache */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); -#endif - - rw_lock_x_unlock(&cache->rw_lock); -} - -/*******************************************************************//** -Selects a INFORMATION SCHEMA table cache from the whole cache. -@return table cache */ -static -i_s_table_cache_t* -cache_select_table( -/*===============*/ - trx_i_s_cache_t* cache, /*!< in: whole cache */ - enum i_s_table table) /*!< in: which table */ -{ - i_s_table_cache_t* table_cache; - -#ifdef UNIV_SYNC_DEBUG - ut_a(rw_lock_own(&cache->rw_lock, RW_LOCK_SHARED) - || rw_lock_own(&cache->rw_lock, RW_LOCK_EX)); -#endif - - switch (table) { - case I_S_INNODB_TRX: - table_cache = &cache->innodb_trx; - break; - case I_S_INNODB_LOCKS: - table_cache = &cache->innodb_locks; - break; - case I_S_INNODB_LOCK_WAITS: - table_cache = &cache->innodb_lock_waits; - break; - default: - ut_error; - } - - return(table_cache); -} - -/*******************************************************************//** -Retrieves the number of used rows in the cache for a given -INFORMATION SCHEMA table. -@return number of rows */ -UNIV_INTERN -ulint -trx_i_s_cache_get_rows_used( -/*========================*/ - trx_i_s_cache_t* cache, /*!< in: cache */ - enum i_s_table table) /*!< in: which table */ -{ - i_s_table_cache_t* table_cache; - - table_cache = cache_select_table(cache, table); - - return(table_cache->rows_used); -} - -/*******************************************************************//** -Retrieves the nth row (zero-based) in the cache for a given -INFORMATION SCHEMA table. -@return row */ -UNIV_INTERN -void* -trx_i_s_cache_get_nth_row( -/*======================*/ - trx_i_s_cache_t* cache, /*!< in: cache */ - enum i_s_table table, /*!< in: which table */ - ulint n) /*!< in: row number */ -{ - i_s_table_cache_t* table_cache; - ulint i; - void* row; - - table_cache = cache_select_table(cache, table); - - ut_a(n < table_cache->rows_used); - - row = NULL; - - for (i = 0; i < MEM_CHUNKS_IN_TABLE_CACHE; i++) { - - if (table_cache->chunks[i].offset - + table_cache->chunks[i].rows_allocd > n) { - - row = (char*) table_cache->chunks[i].base - + (n - table_cache->chunks[i].offset) - * table_cache->row_size; - break; - } - } - - ut_a(row != NULL); - - return(row); -} - -/*******************************************************************//** -Crafts a lock id string from a i_s_locks_row_t object. Returns its -second argument. This function aborts if there is not enough space in -lock_id. Be sure to provide at least TRX_I_S_LOCK_ID_MAX_LEN + 1 if you -want to be 100% sure that it will not abort. -@return resulting lock id */ -UNIV_INTERN -char* -trx_i_s_create_lock_id( -/*===================*/ - const i_s_locks_row_t* row, /*!< in: innodb_locks row */ - char* lock_id,/*!< out: resulting lock_id */ - ulint lock_id_size)/*!< in: size of the lock id - buffer */ -{ - int res_len; - - /* please adjust TRX_I_S_LOCK_ID_MAX_LEN if you change this */ - - if (row->lock_space != ULINT_UNDEFINED) { - /* record lock */ - res_len = ut_snprintf(lock_id, lock_id_size, - TRX_ID_FMT ":%lu:%lu:%lu", - row->lock_trx_id, row->lock_space, - row->lock_page, row->lock_rec); - } else { - /* table lock */ - res_len = ut_snprintf(lock_id, lock_id_size, - TRX_ID_FMT ":%llu", - row->lock_trx_id, - row->lock_table_id); - } - - /* the typecast is safe because snprintf(3) never returns - negative result */ - ut_a(res_len >= 0); - ut_a((ulint) res_len < lock_id_size); - - return(lock_id); -} diff --git a/perfschema/trx/trx0purge.c b/perfschema/trx/trx0purge.c deleted file mode 100644 index abbfa3d7f81..00000000000 --- a/perfschema/trx/trx0purge.c +++ /dev/null @@ -1,1211 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0purge.c -Purge old versions - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0purge.h" - -#ifdef UNIV_NONINL -#include "trx0purge.ic" -#endif - -#include "fsp0fsp.h" -#include "mach0data.h" -#include "mtr0log.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0roll.h" -#include "read0read.h" -#include "fut0fut.h" -#include "que0que.h" -#include "row0purge.h" -#include "row0upd.h" -#include "trx0rec.h" -#include "srv0que.h" -#include "os0thread.h" - -/** The global data structure coordinating a purge */ -UNIV_INTERN trx_purge_t* purge_sys = NULL; - -/** A dummy undo record used as a return value when we have a whole undo log -which needs no purge */ -UNIV_INTERN trx_undo_rec_t trx_purge_dummy_rec; - -/*****************************************************************//** -Checks if trx_id is >= purge_view: then it is guaranteed that its update -undo log still exists in the system. -@return TRUE if is sure that it is preserved, also if the function -returns FALSE, it is possible that the undo log still exists in the -system */ -UNIV_INTERN -ibool -trx_purge_update_undo_must_exist( -/*=============================*/ - trx_id_t trx_id) /*!< in: transaction id */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - if (!read_view_sees_trx_id(purge_sys->view, trx_id)) { - - return(TRUE); - } - - return(FALSE); -} - -/*=================== PURGE RECORD ARRAY =============================*/ - -/*******************************************************************//** -Stores info of an undo log record during a purge. -@return pointer to the storage cell */ -static -trx_undo_inf_t* -trx_purge_arr_store_info( -/*=====================*/ - trx_id_t trx_no, /*!< in: transaction number */ - undo_no_t undo_no)/*!< in: undo number */ -{ - trx_undo_inf_t* cell; - trx_undo_arr_t* arr; - ulint i; - - arr = purge_sys->arr; - - for (i = 0;; i++) { - cell = trx_undo_arr_get_nth_info(arr, i); - - if (!(cell->in_use)) { - /* Not in use, we may store here */ - cell->undo_no = undo_no; - cell->trx_no = trx_no; - cell->in_use = TRUE; - - arr->n_used++; - - return(cell); - } - } -} - -/*******************************************************************//** -Removes info of an undo log record during a purge. */ -UNIV_INLINE -void -trx_purge_arr_remove_info( -/*======================*/ - trx_undo_inf_t* cell) /*!< in: pointer to the storage cell */ -{ - trx_undo_arr_t* arr; - - arr = purge_sys->arr; - - cell->in_use = FALSE; - - ut_ad(arr->n_used > 0); - - arr->n_used--; -} - -/*******************************************************************//** -Gets the biggest pair of a trx number and an undo number in a purge array. */ -static -void -trx_purge_arr_get_biggest( -/*======================*/ - trx_undo_arr_t* arr, /*!< in: purge array */ - trx_id_t* trx_no, /*!< out: transaction number: ut_dulint_zero - if array is empty */ - undo_no_t* undo_no)/*!< out: undo number */ -{ - trx_undo_inf_t* cell; - trx_id_t pair_trx_no; - undo_no_t pair_undo_no; - int trx_cmp; - ulint n_used; - ulint i; - ulint n; - - n = 0; - n_used = arr->n_used; - pair_trx_no = ut_dulint_zero; - pair_undo_no = ut_dulint_zero; - - for (i = 0;; i++) { - cell = trx_undo_arr_get_nth_info(arr, i); - - if (cell->in_use) { - n++; - trx_cmp = ut_dulint_cmp(cell->trx_no, pair_trx_no); - - if ((trx_cmp > 0) - || ((trx_cmp == 0) - && (ut_dulint_cmp(cell->undo_no, - pair_undo_no) >= 0))) { - - pair_trx_no = cell->trx_no; - pair_undo_no = cell->undo_no; - } - } - - if (n == n_used) { - *trx_no = pair_trx_no; - *undo_no = pair_undo_no; - - return; - } - } -} - -/****************************************************************//** -Builds a purge 'query' graph. The actual purge is performed by executing -this query graph. -@return own: the query graph */ -static -que_t* -trx_purge_graph_build(void) -/*=======================*/ -{ - mem_heap_t* heap; - que_fork_t* fork; - que_thr_t* thr; - /* que_thr_t* thr2; */ - - heap = mem_heap_create(512); - fork = que_fork_create(NULL, NULL, QUE_FORK_PURGE, heap); - fork->trx = purge_sys->trx; - - thr = que_thr_create(fork, heap); - - thr->child = row_purge_node_create(thr, heap); - - /* thr2 = que_thr_create(fork, fork, heap); - - thr2->child = row_purge_node_create(fork, thr2, heap); */ - - return(fork); -} - -/********************************************************************//** -Creates the global purge system control structure and inits the history -mutex. */ -UNIV_INTERN -void -trx_purge_sys_create(void) -/*======================*/ -{ - ut_ad(mutex_own(&kernel_mutex)); - - purge_sys = mem_alloc(sizeof(trx_purge_t)); - - purge_sys->state = TRX_STOP_PURGE; - - purge_sys->n_pages_handled = 0; - - purge_sys->purge_trx_no = ut_dulint_zero; - purge_sys->purge_undo_no = ut_dulint_zero; - purge_sys->next_stored = FALSE; - - rw_lock_create(&purge_sys->latch, SYNC_PURGE_LATCH); - - mutex_create(&purge_sys->mutex, SYNC_PURGE_SYS); - - purge_sys->heap = mem_heap_create(256); - - purge_sys->arr = trx_undo_arr_create(); - - purge_sys->sess = sess_open(); - - purge_sys->trx = purge_sys->sess->trx; - - purge_sys->trx->is_purge = 1; - - ut_a(trx_start_low(purge_sys->trx, ULINT_UNDEFINED)); - - purge_sys->query = trx_purge_graph_build(); - - purge_sys->view = read_view_oldest_copy_or_open_new(ut_dulint_zero, - purge_sys->heap); -} - -/************************************************************************ -Frees the global purge system control structure. */ -UNIV_INTERN -void -trx_purge_sys_close(void) -/*======================*/ -{ - ut_ad(!mutex_own(&kernel_mutex)); - - que_graph_free(purge_sys->query); - - ut_a(purge_sys->sess->trx->is_purge); - purge_sys->sess->trx->conc_state = TRX_NOT_STARTED; - sess_close(purge_sys->sess); - purge_sys->sess = NULL; - - if (purge_sys->view != NULL) { - /* Because acquiring the kernel mutex is a pre-condition - of read_view_close(). We don't really need it here. */ - mutex_enter(&kernel_mutex); - - read_view_close(purge_sys->view); - purge_sys->view = NULL; - - mutex_exit(&kernel_mutex); - } - - trx_undo_arr_free(purge_sys->arr); - - rw_lock_free(&purge_sys->latch); - mutex_free(&purge_sys->mutex); - - mem_heap_free(purge_sys->heap); - mem_free(purge_sys); - - purge_sys = NULL; -} - -/*================ UNDO LOG HISTORY LIST =============================*/ - -/********************************************************************//** -Adds the update undo log as the first log in the history list. Removes the -update undo log segment from the rseg slot if it is too big for reuse. */ -UNIV_INTERN -void -trx_purge_add_update_undo_to_history( -/*=================================*/ - trx_t* trx, /*!< in: transaction */ - page_t* undo_page, /*!< in: update undo log header page, - x-latched */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_undo_t* undo; - trx_rseg_t* rseg; - trx_rsegf_t* rseg_header; - trx_usegf_t* seg_header; - trx_ulogf_t* undo_header; - trx_upagef_t* page_header; - ulint hist_size; - - undo = trx->update_undo; - - ut_ad(undo); - - rseg = undo->rseg; - - ut_ad(mutex_own(&(rseg->mutex))); - - rseg_header = trx_rsegf_get(rseg->space, rseg->zip_size, - rseg->page_no, mtr); - - undo_header = undo_page + undo->hdr_offset; - seg_header = undo_page + TRX_UNDO_SEG_HDR; - page_header = undo_page + TRX_UNDO_PAGE_HDR; - - if (undo->state != TRX_UNDO_CACHED) { - /* The undo log segment will not be reused */ - - if (undo->id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: undo->id is %lu\n", - (ulong) undo->id); - ut_error; - } - - trx_rsegf_set_nth_undo(rseg_header, undo->id, FIL_NULL, mtr); - - hist_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, - MLOG_4BYTES, mtr); - ut_ad(undo->size == flst_get_len( - seg_header + TRX_UNDO_PAGE_LIST, mtr)); - - mlog_write_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, - hist_size + undo->size, MLOG_4BYTES, mtr); - } - - /* Add the log as the first in the history list */ - flst_add_first(rseg_header + TRX_RSEG_HISTORY, - undo_header + TRX_UNDO_HISTORY_NODE, mtr); - mutex_enter(&kernel_mutex); - trx_sys->rseg_history_len++; - mutex_exit(&kernel_mutex); - - /* Write the trx number to the undo log header */ - mlog_write_dulint(undo_header + TRX_UNDO_TRX_NO, trx->no, mtr); - /* Write information about delete markings to the undo log header */ - - if (!undo->del_marks) { - mlog_write_ulint(undo_header + TRX_UNDO_DEL_MARKS, FALSE, - MLOG_2BYTES, mtr); - } - - if (rseg->last_page_no == FIL_NULL) { - - rseg->last_page_no = undo->hdr_page_no; - rseg->last_offset = undo->hdr_offset; - rseg->last_trx_no = trx->no; - rseg->last_del_marks = undo->del_marks; - } -} - -/**********************************************************************//** -Frees an undo log segment which is in the history list. Cuts the end of the -history list at the youngest undo log in this segment. */ -static -void -trx_purge_free_segment( -/*===================*/ - trx_rseg_t* rseg, /*!< in: rollback segment */ - fil_addr_t hdr_addr, /*!< in: the file address of log_hdr */ - ulint n_removed_logs) /*!< in: count of how many undo logs we - will cut off from the end of the - history list */ -{ - page_t* undo_page; - trx_rsegf_t* rseg_hdr; - trx_ulogf_t* log_hdr; - trx_usegf_t* seg_hdr; - ibool freed; - ulint seg_size; - ulint hist_size; - ibool marked = FALSE; - mtr_t mtr; - - /* fputs("Freeing an update undo log segment\n", stderr); */ - - ut_ad(mutex_own(&(purge_sys->mutex))); -loop: - mtr_start(&mtr); - mutex_enter(&(rseg->mutex)); - - rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, - rseg->page_no, &mtr); - - undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, - hdr_addr.page, &mtr); - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - log_hdr = undo_page + hdr_addr.boffset; - - /* Mark the last undo log totally purged, so that if the system - crashes, the tail of the undo log will not get accessed again. The - list of pages in the undo log tail gets inconsistent during the - freeing of the segment, and therefore purge should not try to access - them again. */ - - if (!marked) { - mlog_write_ulint(log_hdr + TRX_UNDO_DEL_MARKS, FALSE, - MLOG_2BYTES, &mtr); - marked = TRUE; - } - - freed = fseg_free_step_not_header(seg_hdr + TRX_UNDO_FSEG_HEADER, - &mtr); - if (!freed) { - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - goto loop; - } - - /* The page list may now be inconsistent, but the length field - stored in the list base node tells us how big it was before we - started the freeing. */ - - seg_size = flst_get_len(seg_hdr + TRX_UNDO_PAGE_LIST, &mtr); - - /* We may free the undo log segment header page; it must be freed - within the same mtr as the undo log header is removed from the - history list: otherwise, in case of a database crash, the segment - could become inaccessible garbage in the file space. */ - - flst_cut_end(rseg_hdr + TRX_RSEG_HISTORY, - log_hdr + TRX_UNDO_HISTORY_NODE, n_removed_logs, &mtr); - - mutex_enter(&kernel_mutex); - ut_ad(trx_sys->rseg_history_len >= n_removed_logs); - trx_sys->rseg_history_len -= n_removed_logs; - mutex_exit(&kernel_mutex); - - freed = FALSE; - - while (!freed) { - /* Here we assume that a file segment with just the header - page can be freed in a few steps, so that the buffer pool - is not flooded with bufferfixed pages: see the note in - fsp0fsp.c. */ - - freed = fseg_free_step(seg_hdr + TRX_UNDO_FSEG_HEADER, - &mtr); - } - - hist_size = mtr_read_ulint(rseg_hdr + TRX_RSEG_HISTORY_SIZE, - MLOG_4BYTES, &mtr); - ut_ad(hist_size >= seg_size); - - mlog_write_ulint(rseg_hdr + TRX_RSEG_HISTORY_SIZE, - hist_size - seg_size, MLOG_4BYTES, &mtr); - - ut_ad(rseg->curr_size >= seg_size); - - rseg->curr_size -= seg_size; - - mutex_exit(&(rseg->mutex)); - - mtr_commit(&mtr); -} - -/********************************************************************//** -Removes unnecessary history data from a rollback segment. */ -static -void -trx_purge_truncate_rseg_history( -/*============================*/ - trx_rseg_t* rseg, /*!< in: rollback segment */ - trx_id_t limit_trx_no, /*!< in: remove update undo logs whose - trx number is < limit_trx_no */ - undo_no_t limit_undo_no) /*!< in: if transaction number is equal - to limit_trx_no, truncate undo records - with undo number < limit_undo_no */ -{ - fil_addr_t hdr_addr; - fil_addr_t prev_hdr_addr; - trx_rsegf_t* rseg_hdr; - page_t* undo_page; - trx_ulogf_t* log_hdr; - trx_usegf_t* seg_hdr; - int cmp; - ulint n_removed_logs = 0; - mtr_t mtr; - - ut_ad(mutex_own(&(purge_sys->mutex))); - - mtr_start(&mtr); - mutex_enter(&(rseg->mutex)); - - rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, - rseg->page_no, &mtr); - - hdr_addr = trx_purge_get_log_from_hist( - flst_get_last(rseg_hdr + TRX_RSEG_HISTORY, &mtr)); -loop: - if (hdr_addr.page == FIL_NULL) { - - mutex_exit(&(rseg->mutex)); - - mtr_commit(&mtr); - - return; - } - - undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, - hdr_addr.page, &mtr); - - log_hdr = undo_page + hdr_addr.boffset; - - cmp = ut_dulint_cmp(mach_read_from_8(log_hdr + TRX_UNDO_TRX_NO), - limit_trx_no); - if (cmp == 0) { - trx_undo_truncate_start(rseg, rseg->space, hdr_addr.page, - hdr_addr.boffset, limit_undo_no); - } - - if (cmp >= 0) { - mutex_enter(&kernel_mutex); - ut_a(trx_sys->rseg_history_len >= n_removed_logs); - trx_sys->rseg_history_len -= n_removed_logs; - mutex_exit(&kernel_mutex); - - flst_truncate_end(rseg_hdr + TRX_RSEG_HISTORY, - log_hdr + TRX_UNDO_HISTORY_NODE, - n_removed_logs, &mtr); - - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - return; - } - - prev_hdr_addr = trx_purge_get_log_from_hist( - flst_get_prev_addr(log_hdr + TRX_UNDO_HISTORY_NODE, &mtr)); - n_removed_logs++; - - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - - if ((mach_read_from_2(seg_hdr + TRX_UNDO_STATE) == TRX_UNDO_TO_PURGE) - && (mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG) == 0)) { - - /* We can free the whole log segment */ - - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - trx_purge_free_segment(rseg, hdr_addr, n_removed_logs); - - n_removed_logs = 0; - } else { - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - } - - mtr_start(&mtr); - mutex_enter(&(rseg->mutex)); - - rseg_hdr = trx_rsegf_get(rseg->space, rseg->zip_size, - rseg->page_no, &mtr); - - hdr_addr = prev_hdr_addr; - - goto loop; -} - -/********************************************************************//** -Removes unnecessary history data from rollback segments. NOTE that when this -function is called, the caller must not have any latches on undo log pages! */ -static -void -trx_purge_truncate_history(void) -/*============================*/ -{ - trx_rseg_t* rseg; - trx_id_t limit_trx_no; - undo_no_t limit_undo_no; - - ut_ad(mutex_own(&(purge_sys->mutex))); - - trx_purge_arr_get_biggest(purge_sys->arr, &limit_trx_no, - &limit_undo_no); - - if (ut_dulint_is_zero(limit_trx_no)) { - - limit_trx_no = purge_sys->purge_trx_no; - limit_undo_no = purge_sys->purge_undo_no; - } - - /* We play safe and set the truncate limit at most to the purge view - low_limit number, though this is not necessary */ - - if (ut_dulint_cmp(limit_trx_no, purge_sys->view->low_limit_no) >= 0) { - limit_trx_no = purge_sys->view->low_limit_no; - limit_undo_no = ut_dulint_zero; - } - - ut_ad((ut_dulint_cmp(limit_trx_no, - purge_sys->view->low_limit_no) <= 0)); - - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - - while (rseg) { - trx_purge_truncate_rseg_history(rseg, limit_trx_no, - limit_undo_no); - rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - } -} - -/********************************************************************//** -Does a truncate if the purge array is empty. NOTE that when this function is -called, the caller must not have any latches on undo log pages! -@return TRUE if array empty */ -UNIV_INLINE -ibool -trx_purge_truncate_if_arr_empty(void) -/*=================================*/ -{ - ut_ad(mutex_own(&(purge_sys->mutex))); - - if (purge_sys->arr->n_used == 0) { - - trx_purge_truncate_history(); - - return(TRUE); - } - - return(FALSE); -} - -/***********************************************************************//** -Updates the last not yet purged history log info in rseg when we have purged -a whole undo log. Advances also purge_sys->purge_trx_no past the purged log. */ -static -void -trx_purge_rseg_get_next_history_log( -/*================================*/ - trx_rseg_t* rseg) /*!< in: rollback segment */ -{ - page_t* undo_page; - trx_ulogf_t* log_hdr; - trx_usegf_t* seg_hdr; - fil_addr_t prev_log_addr; - trx_id_t trx_no; - ibool del_marks; - mtr_t mtr; - - ut_ad(mutex_own(&(purge_sys->mutex))); - - mutex_enter(&(rseg->mutex)); - - ut_a(rseg->last_page_no != FIL_NULL); - - purge_sys->purge_trx_no = ut_dulint_add(rseg->last_trx_no, 1); - purge_sys->purge_undo_no = ut_dulint_zero; - purge_sys->next_stored = FALSE; - - mtr_start(&mtr); - - undo_page = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, - rseg->last_page_no, &mtr); - log_hdr = undo_page + rseg->last_offset; - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - - /* Increase the purge page count by one for every handled log */ - - purge_sys->n_pages_handled++; - - prev_log_addr = trx_purge_get_log_from_hist( - flst_get_prev_addr(log_hdr + TRX_UNDO_HISTORY_NODE, &mtr)); - if (prev_log_addr.page == FIL_NULL) { - /* No logs left in the history list */ - - rseg->last_page_no = FIL_NULL; - - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - mutex_enter(&kernel_mutex); - - /* Add debug code to track history list corruption reported - on the MySQL mailing list on Nov 9, 2004. The fut0lst.c - file-based list was corrupt. The prev node pointer was - FIL_NULL, even though the list length was over 8 million nodes! - We assume that purge truncates the history list in moderate - size pieces, and if we here reach the head of the list, the - list cannot be longer than 20 000 undo logs now. */ - - if (trx_sys->rseg_history_len > 20000) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: purge reached the" - " head of the history list,\n" - "InnoDB: but its length is still" - " reported as %lu! Make a detailed bug\n" - "InnoDB: report, and submit it" - " to http://bugs.mysql.com\n", - (ulong) trx_sys->rseg_history_len); - } - - mutex_exit(&kernel_mutex); - - return; - } - - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - /* Read the trx number and del marks from the previous log header */ - mtr_start(&mtr); - - log_hdr = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, - prev_log_addr.page, &mtr) - + prev_log_addr.boffset; - - trx_no = mach_read_from_8(log_hdr + TRX_UNDO_TRX_NO); - - del_marks = mach_read_from_2(log_hdr + TRX_UNDO_DEL_MARKS); - - mtr_commit(&mtr); - - mutex_enter(&(rseg->mutex)); - - rseg->last_page_no = prev_log_addr.page; - rseg->last_offset = prev_log_addr.boffset; - rseg->last_trx_no = trx_no; - rseg->last_del_marks = del_marks; - - mutex_exit(&(rseg->mutex)); -} - -/***********************************************************************//** -Chooses the next undo log to purge and updates the info in purge_sys. This -function is used to initialize purge_sys when the next record to purge is -not known, and also to update the purge system info on the next record when -purge has handled the whole undo log for a transaction. */ -static -void -trx_purge_choose_next_log(void) -/*===========================*/ -{ - trx_undo_rec_t* rec; - trx_rseg_t* rseg; - trx_rseg_t* min_rseg; - trx_id_t min_trx_no; - ulint space = 0; /* remove warning (??? bug ???) */ - ulint zip_size = 0; - ulint page_no = 0; /* remove warning (??? bug ???) */ - ulint offset = 0; /* remove warning (??? bug ???) */ - mtr_t mtr; - - ut_ad(mutex_own(&(purge_sys->mutex))); - ut_ad(purge_sys->next_stored == FALSE); - - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - - min_trx_no = ut_dulint_max; - - min_rseg = NULL; - - while (rseg) { - mutex_enter(&(rseg->mutex)); - - if (rseg->last_page_no != FIL_NULL) { - - if ((min_rseg == NULL) - || (ut_dulint_cmp(min_trx_no, - rseg->last_trx_no) > 0)) { - - min_rseg = rseg; - min_trx_no = rseg->last_trx_no; - space = rseg->space; - zip_size = rseg->zip_size; - ut_a(space == 0); /* We assume in purge of - externally stored fields - that space id == 0 */ - page_no = rseg->last_page_no; - offset = rseg->last_offset; - } - } - - mutex_exit(&(rseg->mutex)); - - rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - } - - if (min_rseg == NULL) { - - return; - } - - mtr_start(&mtr); - - if (!min_rseg->last_del_marks) { - /* No need to purge this log */ - - rec = &trx_purge_dummy_rec; - } else { - rec = trx_undo_get_first_rec(space, zip_size, page_no, offset, - RW_S_LATCH, &mtr); - if (rec == NULL) { - /* Undo log empty */ - - rec = &trx_purge_dummy_rec; - } - } - - purge_sys->next_stored = TRUE; - purge_sys->rseg = min_rseg; - - purge_sys->hdr_page_no = page_no; - purge_sys->hdr_offset = offset; - - purge_sys->purge_trx_no = min_trx_no; - - if (rec == &trx_purge_dummy_rec) { - - purge_sys->purge_undo_no = ut_dulint_zero; - purge_sys->page_no = page_no; - purge_sys->offset = 0; - } else { - purge_sys->purge_undo_no = trx_undo_rec_get_undo_no(rec); - - purge_sys->page_no = page_get_page_no(page_align(rec)); - purge_sys->offset = page_offset(rec); - } - - mtr_commit(&mtr); -} - -/***********************************************************************//** -Gets the next record to purge and updates the info in the purge system. -@return copy of an undo log record or pointer to the dummy undo log record */ -static -trx_undo_rec_t* -trx_purge_get_next_rec( -/*===================*/ - mem_heap_t* heap) /*!< in: memory heap where copied */ -{ - trx_undo_rec_t* rec; - trx_undo_rec_t* rec_copy; - trx_undo_rec_t* rec2; - trx_undo_rec_t* next_rec; - page_t* undo_page; - page_t* page; - ulint offset; - ulint page_no; - ulint space; - ulint zip_size; - ulint type; - ulint cmpl_info; - mtr_t mtr; - - ut_ad(mutex_own(&(purge_sys->mutex))); - ut_ad(purge_sys->next_stored); - - space = purge_sys->rseg->space; - zip_size = purge_sys->rseg->zip_size; - page_no = purge_sys->page_no; - offset = purge_sys->offset; - - if (offset == 0) { - /* It is the dummy undo log record, which means that there is - no need to purge this undo log */ - - trx_purge_rseg_get_next_history_log(purge_sys->rseg); - - /* Look for the next undo log and record to purge */ - - trx_purge_choose_next_log(); - - return(&trx_purge_dummy_rec); - } - - mtr_start(&mtr); - - undo_page = trx_undo_page_get_s_latched(space, zip_size, - page_no, &mtr); - rec = undo_page + offset; - - rec2 = rec; - - for (;;) { - /* Try first to find the next record which requires a purge - operation from the same page of the same undo log */ - - next_rec = trx_undo_page_get_next_rec(rec2, - purge_sys->hdr_page_no, - purge_sys->hdr_offset); - if (next_rec == NULL) { - rec2 = trx_undo_get_next_rec( - rec2, purge_sys->hdr_page_no, - purge_sys->hdr_offset, &mtr); - break; - } - - rec2 = next_rec; - - type = trx_undo_rec_get_type(rec2); - - if (type == TRX_UNDO_DEL_MARK_REC) { - - break; - } - - cmpl_info = trx_undo_rec_get_cmpl_info(rec2); - - if (trx_undo_rec_get_extern_storage(rec2)) { - break; - } - - if ((type == TRX_UNDO_UPD_EXIST_REC) - && !(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - break; - } - } - - if (rec2 == NULL) { - mtr_commit(&mtr); - - trx_purge_rseg_get_next_history_log(purge_sys->rseg); - - /* Look for the next undo log and record to purge */ - - trx_purge_choose_next_log(); - - mtr_start(&mtr); - - undo_page = trx_undo_page_get_s_latched(space, zip_size, - page_no, &mtr); - - rec = undo_page + offset; - } else { - page = page_align(rec2); - - purge_sys->purge_undo_no = trx_undo_rec_get_undo_no(rec2); - purge_sys->page_no = page_get_page_no(page); - purge_sys->offset = rec2 - page; - - if (undo_page != page) { - /* We advance to a new page of the undo log: */ - purge_sys->n_pages_handled++; - } - } - - rec_copy = trx_undo_rec_copy(rec, heap); - - mtr_commit(&mtr); - - return(rec_copy); -} - -/********************************************************************//** -Fetches the next undo log record from the history list to purge. It must be -released with the corresponding release function. -@return copy of an undo log record or pointer to trx_purge_dummy_rec, -if the whole undo log can skipped in purge; NULL if none left */ -UNIV_INTERN -trx_undo_rec_t* -trx_purge_fetch_next_rec( -/*=====================*/ - roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ - trx_undo_inf_t** cell, /*!< out: storage cell for the record in the - purge array */ - mem_heap_t* heap) /*!< in: memory heap where copied */ -{ - trx_undo_rec_t* undo_rec; - - mutex_enter(&(purge_sys->mutex)); - - if (purge_sys->state == TRX_STOP_PURGE) { - trx_purge_truncate_if_arr_empty(); - - mutex_exit(&(purge_sys->mutex)); - - return(NULL); - } - - if (!purge_sys->next_stored) { - trx_purge_choose_next_log(); - - if (!purge_sys->next_stored) { - purge_sys->state = TRX_STOP_PURGE; - - trx_purge_truncate_if_arr_empty(); - - if (srv_print_thread_releases) { - fprintf(stderr, - "Purge: No logs left in the" - " history list; pages handled %lu\n", - (ulong) purge_sys->n_pages_handled); - } - - mutex_exit(&(purge_sys->mutex)); - - return(NULL); - } - } - - if (purge_sys->n_pages_handled >= purge_sys->handle_limit) { - - purge_sys->state = TRX_STOP_PURGE; - - trx_purge_truncate_if_arr_empty(); - - mutex_exit(&(purge_sys->mutex)); - - return(NULL); - } - - if (ut_dulint_cmp(purge_sys->purge_trx_no, - purge_sys->view->low_limit_no) >= 0) { - purge_sys->state = TRX_STOP_PURGE; - - trx_purge_truncate_if_arr_empty(); - - mutex_exit(&(purge_sys->mutex)); - - return(NULL); - } - - /* fprintf(stderr, "Thread %lu purging trx %lu undo record %lu\n", - os_thread_get_curr_id(), - ut_dulint_get_low(purge_sys->purge_trx_no), - ut_dulint_get_low(purge_sys->purge_undo_no)); */ - - *roll_ptr = trx_undo_build_roll_ptr(FALSE, (purge_sys->rseg)->id, - purge_sys->page_no, - purge_sys->offset); - - *cell = trx_purge_arr_store_info(purge_sys->purge_trx_no, - purge_sys->purge_undo_no); - - ut_ad(ut_dulint_cmp(purge_sys->purge_trx_no, - (purge_sys->view)->low_limit_no) < 0); - - /* The following call will advance the stored values of purge_trx_no - and purge_undo_no, therefore we had to store them first */ - - undo_rec = trx_purge_get_next_rec(heap); - - mutex_exit(&(purge_sys->mutex)); - - return(undo_rec); -} - -/*******************************************************************//** -Releases a reserved purge undo record. */ -UNIV_INTERN -void -trx_purge_rec_release( -/*==================*/ - trx_undo_inf_t* cell) /*!< in: storage cell */ -{ - trx_undo_arr_t* arr; - - mutex_enter(&(purge_sys->mutex)); - - arr = purge_sys->arr; - - trx_purge_arr_remove_info(cell); - - mutex_exit(&(purge_sys->mutex)); -} - -/*******************************************************************//** -This function runs a purge batch. -@return number of undo log pages handled in the batch */ -UNIV_INTERN -ulint -trx_purge(void) -/*===========*/ -{ - que_thr_t* thr; - /* que_thr_t* thr2; */ - ulint old_pages_handled; - - mutex_enter(&(purge_sys->mutex)); - - if (purge_sys->trx->n_active_thrs > 0) { - - mutex_exit(&(purge_sys->mutex)); - - /* Should not happen */ - - ut_error; - - return(0); - } - - rw_lock_x_lock(&(purge_sys->latch)); - - mutex_enter(&kernel_mutex); - - /* Close and free the old purge view */ - - read_view_close(purge_sys->view); - purge_sys->view = NULL; - mem_heap_empty(purge_sys->heap); - - /* Determine how much data manipulation language (DML) statements - need to be delayed in order to reduce the lagging of the purge - thread. */ - srv_dml_needed_delay = 0; /* in microseconds; default: no delay */ - - /* If we cannot advance the 'purge view' because of an old - 'consistent read view', then the DML statements cannot be delayed. - Also, srv_max_purge_lag <= 0 means 'infinity'. */ - if (srv_max_purge_lag > 0 - && !UT_LIST_GET_LAST(trx_sys->view_list)) { - float ratio = (float) trx_sys->rseg_history_len - / srv_max_purge_lag; - if (ratio > ULINT_MAX / 10000) { - /* Avoid overflow: maximum delay is 4295 seconds */ - srv_dml_needed_delay = ULINT_MAX; - } else if (ratio > 1) { - /* If the history list length exceeds the - innodb_max_purge_lag, the - data manipulation statements are delayed - by at least 5000 microseconds. */ - srv_dml_needed_delay = (ulint) ((ratio - .5) * 10000); - } - } - - purge_sys->view = read_view_oldest_copy_or_open_new(ut_dulint_zero, - purge_sys->heap); - mutex_exit(&kernel_mutex); - - rw_lock_x_unlock(&(purge_sys->latch)); - - purge_sys->state = TRX_PURGE_ON; - - /* Handle at most 20 undo log pages in one purge batch */ - - purge_sys->handle_limit = purge_sys->n_pages_handled + 20; - - old_pages_handled = purge_sys->n_pages_handled; - - mutex_exit(&(purge_sys->mutex)); - - mutex_enter(&kernel_mutex); - - thr = que_fork_start_command(purge_sys->query); - - ut_ad(thr); - - /* thr2 = que_fork_start_command(purge_sys->query); - - ut_ad(thr2); */ - - - mutex_exit(&kernel_mutex); - - /* srv_que_task_enqueue(thr2); */ - - if (srv_print_thread_releases) { - - fputs("Starting purge\n", stderr); - } - - que_run_threads(thr); - - if (srv_print_thread_releases) { - - fprintf(stderr, - "Purge ends; pages handled %lu\n", - (ulong) purge_sys->n_pages_handled); - } - - return(purge_sys->n_pages_handled - old_pages_handled); -} - -/******************************************************************//** -Prints information of the purge system to stderr. */ -UNIV_INTERN -void -trx_purge_sys_print(void) -/*=====================*/ -{ - fprintf(stderr, "InnoDB: Purge system view:\n"); - read_view_print(purge_sys->view); - - fprintf(stderr, "InnoDB: Purge trx n:o " TRX_ID_FMT - ", undo n:o " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(purge_sys->purge_trx_no), - TRX_ID_PREP_PRINTF(purge_sys->purge_undo_no)); - fprintf(stderr, - "InnoDB: Purge next stored %lu, page_no %lu, offset %lu,\n" - "InnoDB: Purge hdr_page_no %lu, hdr_offset %lu\n", - (ulong) purge_sys->next_stored, - (ulong) purge_sys->page_no, - (ulong) purge_sys->offset, - (ulong) purge_sys->hdr_page_no, - (ulong) purge_sys->hdr_offset); -} diff --git a/perfschema/trx/trx0rec.c b/perfschema/trx/trx0rec.c deleted file mode 100644 index 38a0e4f0f44..00000000000 --- a/perfschema/trx/trx0rec.c +++ /dev/null @@ -1,1602 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0rec.c -Transaction undo log record - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0rec.h" - -#ifdef UNIV_NONINL -#include "trx0rec.ic" -#endif - -#include "fsp0fsp.h" -#include "mach0data.h" -#include "trx0undo.h" -#include "mtr0log.h" -#ifndef UNIV_HOTBACKUP -#include "dict0dict.h" -#include "ut0mem.h" -#include "row0ext.h" -#include "row0upd.h" -#include "que0que.h" -#include "trx0purge.h" -#include "trx0rseg.h" -#include "row0row.h" - -/*=========== UNDO LOG RECORD CREATION AND DECODING ====================*/ - -/**********************************************************************//** -Writes the mtr log entry of the inserted undo log record on the undo log -page. */ -UNIV_INLINE -void -trx_undof_page_add_undo_rec_log( -/*============================*/ - page_t* undo_page, /*!< in: undo log page */ - ulint old_free, /*!< in: start offset of the inserted entry */ - ulint new_free, /*!< in: end offset of the entry */ - mtr_t* mtr) /*!< in: mtr */ -{ - byte* log_ptr; - const byte* log_end; - ulint len; - - log_ptr = mlog_open(mtr, 11 + 13 + MLOG_BUF_MARGIN); - - if (log_ptr == NULL) { - - return; - } - - log_end = &log_ptr[11 + 13 + MLOG_BUF_MARGIN]; - log_ptr = mlog_write_initial_log_record_fast( - undo_page, MLOG_UNDO_INSERT, log_ptr, mtr); - len = new_free - old_free - 4; - - mach_write_to_2(log_ptr, len); - log_ptr += 2; - - if (log_ptr + len <= log_end) { - memcpy(log_ptr, undo_page + old_free + 2, len); - mlog_close(mtr, log_ptr + len); - } else { - mlog_close(mtr, log_ptr); - mlog_catenate_string(mtr, undo_page + old_free + 2, len); - } -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses a redo log record of adding an undo log record. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_add_undo_rec( -/*========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page) /*!< in: page or NULL */ -{ - ulint len; - byte* rec; - ulint first_free; - - if (end_ptr < ptr + 2) { - - return(NULL); - } - - len = mach_read_from_2(ptr); - ptr += 2; - - if (end_ptr < ptr + len) { - - return(NULL); - } - - if (page == NULL) { - - return(ptr + len); - } - - first_free = mach_read_from_2(page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - rec = page + first_free; - - mach_write_to_2(rec, first_free + 4 + len); - mach_write_to_2(rec + 2 + len, first_free); - - mach_write_to_2(page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE, - first_free + 4 + len); - ut_memcpy(rec + 2, ptr, len); - - return(ptr + len); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Calculates the free space left for extending an undo log record. -@return bytes left */ -UNIV_INLINE -ulint -trx_undo_left( -/*==========*/ - const page_t* page, /*!< in: undo log page */ - const byte* ptr) /*!< in: pointer to page */ -{ - /* The '- 10' is a safety margin, in case we have some small - calculation error below */ - - return(UNIV_PAGE_SIZE - (ptr - page) - 10 - FIL_PAGE_DATA_END); -} - -/**********************************************************************//** -Set the next and previous pointers in the undo page for the undo record -that was written to ptr. Update the first free value by the number of bytes -written for this undo record. -@return offset of the inserted entry on the page if succeeded, 0 if fail */ -static -ulint -trx_undo_page_set_next_prev_and_add( -/*================================*/ - page_t* undo_page, /*!< in/out: undo log page */ - byte* ptr, /*!< in: ptr up to where data has been - written on this undo page. */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint first_free; /*!< offset within undo_page */ - ulint end_of_rec; /*!< offset within undo_page */ - byte* ptr_to_first_free; - /* pointer within undo_page - that points to the next free - offset value within undo_page.*/ - - ut_ad(ptr > undo_page); - ut_ad(ptr < undo_page + UNIV_PAGE_SIZE); - - if (UNIV_UNLIKELY(trx_undo_left(undo_page, ptr) < 2)) { - - return(0); - } - - ptr_to_first_free = undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE; - - first_free = mach_read_from_2(ptr_to_first_free); - - /* Write offset of the previous undo log record */ - mach_write_to_2(ptr, first_free); - ptr += 2; - - end_of_rec = ptr - undo_page; - - /* Write offset of the next undo log record */ - mach_write_to_2(undo_page + first_free, end_of_rec); - - /* Update the offset to first free undo record */ - mach_write_to_2(ptr_to_first_free, end_of_rec); - - /* Write this log entry to the UNDO log */ - trx_undof_page_add_undo_rec_log(undo_page, first_free, - end_of_rec, mtr); - - return(first_free); -} - -/**********************************************************************//** -Reports in the undo log of an insert of a clustered index record. -@return offset of the inserted entry on the page if succeed, 0 if fail */ -static -ulint -trx_undo_page_report_insert( -/*========================*/ - page_t* undo_page, /*!< in: undo log page */ - trx_t* trx, /*!< in: transaction */ - dict_index_t* index, /*!< in: clustered index */ - const dtuple_t* clust_entry, /*!< in: index entry which will be - inserted to the clustered index */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint first_free; - byte* ptr; - ulint i; - - ut_ad(dict_index_is_clust(index)); - ut_ad(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_TYPE) == TRX_UNDO_INSERT); - - first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - ptr = undo_page + first_free; - - ut_ad(first_free <= UNIV_PAGE_SIZE); - - if (trx_undo_left(undo_page, ptr) < 2 + 1 + 11 + 11) { - - /* Not enough space for writing the general parameters */ - - return(0); - } - - /* Reserve 2 bytes for the pointer to the next undo log record */ - ptr += 2; - - /* Store first some general parameters to the undo log */ - *ptr++ = TRX_UNDO_INSERT_REC; - ptr += mach_dulint_write_much_compressed(ptr, trx->undo_no); - ptr += mach_dulint_write_much_compressed(ptr, index->table->id); - /*----------------------------------------*/ - /* Store then the fields required to uniquely determine the record - to be inserted in the clustered index */ - - for (i = 0; i < dict_index_get_n_unique(index); i++) { - - const dfield_t* field = dtuple_get_nth_field(clust_entry, i); - ulint flen = dfield_get_len(field); - - if (trx_undo_left(undo_page, ptr) < 5) { - - return(0); - } - - ptr += mach_write_compressed(ptr, flen); - - if (flen != UNIV_SQL_NULL) { - if (trx_undo_left(undo_page, ptr) < flen) { - - return(0); - } - - ut_memcpy(ptr, dfield_get_data(field), flen); - ptr += flen; - } - } - - return(trx_undo_page_set_next_prev_and_add(undo_page, ptr, mtr)); -} - -/**********************************************************************//** -Reads from an undo log record the general parameters. -@return remaining part of undo log record after reading these values */ -UNIV_INTERN -byte* -trx_undo_rec_get_pars( -/*==================*/ - trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - ulint* type, /*!< out: undo record type: - TRX_UNDO_INSERT_REC, ... */ - ulint* cmpl_info, /*!< out: compiler info, relevant only - for update type records */ - ibool* updated_extern, /*!< out: TRUE if we updated an - externally stored fild */ - undo_no_t* undo_no, /*!< out: undo log record number */ - dulint* table_id) /*!< out: table id */ -{ - byte* ptr; - ulint type_cmpl; - - ptr = undo_rec + 2; - - type_cmpl = mach_read_from_1(ptr); - ptr++; - - if (type_cmpl & TRX_UNDO_UPD_EXTERN) { - *updated_extern = TRUE; - type_cmpl -= TRX_UNDO_UPD_EXTERN; - } else { - *updated_extern = FALSE; - } - - *type = type_cmpl & (TRX_UNDO_CMPL_INFO_MULT - 1); - *cmpl_info = type_cmpl / TRX_UNDO_CMPL_INFO_MULT; - - *undo_no = mach_dulint_read_much_compressed(ptr); - ptr += mach_dulint_get_much_compressed_size(*undo_no); - - *table_id = mach_dulint_read_much_compressed(ptr); - ptr += mach_dulint_get_much_compressed_size(*table_id); - - return(ptr); -} - -/**********************************************************************//** -Reads from an undo log record a stored column value. -@return remaining part of undo log record after reading these values */ -static -byte* -trx_undo_rec_get_col_val( -/*=====================*/ - byte* ptr, /*!< in: pointer to remaining part of undo log record */ - byte** field, /*!< out: pointer to stored field */ - ulint* len, /*!< out: length of the field, or UNIV_SQL_NULL */ - ulint* orig_len)/*!< out: original length of the locally - stored part of an externally stored column, or 0 */ -{ - *len = mach_read_compressed(ptr); - ptr += mach_get_compressed_size(*len); - - *orig_len = 0; - - switch (*len) { - case UNIV_SQL_NULL: - *field = NULL; - break; - case UNIV_EXTERN_STORAGE_FIELD: - *orig_len = mach_read_compressed(ptr); - ptr += mach_get_compressed_size(*orig_len); - *len = mach_read_compressed(ptr); - ptr += mach_get_compressed_size(*len); - *field = ptr; - ptr += *len; - - ut_ad(*orig_len >= BTR_EXTERN_FIELD_REF_SIZE); - ut_ad(*len > *orig_len); - ut_ad(*len >= REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE); - - *len += UNIV_EXTERN_STORAGE_FIELD; - break; - default: - *field = ptr; - if (*len >= UNIV_EXTERN_STORAGE_FIELD) { - ptr += *len - UNIV_EXTERN_STORAGE_FIELD; - } else { - ptr += *len; - } - } - - return(ptr); -} - -/*******************************************************************//** -Builds a row reference from an undo log record. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_get_row_ref( -/*=====================*/ - byte* ptr, /*!< in: remaining part of a copy of an undo log - record, at the start of the row reference; - NOTE that this copy of the undo log record must - be preserved as long as the row reference is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - dtuple_t** ref, /*!< out, own: row reference */ - mem_heap_t* heap) /*!< in: memory heap from which the memory - needed is allocated */ -{ - ulint ref_len; - ulint i; - - ut_ad(index && ptr && ref && heap); - ut_a(dict_index_is_clust(index)); - - ref_len = dict_index_get_n_unique(index); - - *ref = dtuple_create(heap, ref_len); - - dict_index_copy_types(*ref, index, ref_len); - - for (i = 0; i < ref_len; i++) { - dfield_t* dfield; - byte* field; - ulint len; - ulint orig_len; - - dfield = dtuple_get_nth_field(*ref, i); - - ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); - - dfield_set_data(dfield, field, len); - } - - return(ptr); -} - -/*******************************************************************//** -Skips a row reference from an undo log record. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_skip_row_ref( -/*======================*/ - byte* ptr, /*!< in: remaining part in update undo log - record, at the start of the row reference */ - dict_index_t* index) /*!< in: clustered index */ -{ - ulint ref_len; - ulint i; - - ut_ad(index && ptr); - ut_a(dict_index_is_clust(index)); - - ref_len = dict_index_get_n_unique(index); - - for (i = 0; i < ref_len; i++) { - byte* field; - ulint len; - ulint orig_len; - - ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); - } - - return(ptr); -} - -/**********************************************************************//** -Fetch a prefix of an externally stored column, for writing to the undo log -of an update or delete marking of a clustered index record. -@return ext_buf */ -static -byte* -trx_undo_page_fetch_ext( -/*====================*/ - byte* ext_buf, /*!< in: a buffer of - REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE */ - ulint zip_size, /*!< compressed page size in bytes, - or 0 for uncompressed BLOB */ - const byte* field, /*!< in: an externally stored column */ - ulint* len) /*!< in: length of field; - out: used length of ext_buf */ -{ - /* Fetch the BLOB. */ - ulint ext_len = btr_copy_externally_stored_field_prefix( - ext_buf, REC_MAX_INDEX_COL_LEN, zip_size, field, *len); - /* BLOBs should always be nonempty. */ - ut_a(ext_len); - /* Append the BLOB pointer to the prefix. */ - memcpy(ext_buf + ext_len, - field + *len - BTR_EXTERN_FIELD_REF_SIZE, - BTR_EXTERN_FIELD_REF_SIZE); - *len = ext_len + BTR_EXTERN_FIELD_REF_SIZE; - return(ext_buf); -} - -/**********************************************************************//** -Writes to the undo log a prefix of an externally stored column. -@return undo log position */ -static -byte* -trx_undo_page_report_modify_ext( -/*============================*/ - byte* ptr, /*!< in: undo log position, - at least 15 bytes must be available */ - byte* ext_buf, /*!< in: a buffer of - REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE, - or NULL when should not fetch - a longer prefix */ - ulint zip_size, /*!< compressed page size in bytes, - or 0 for uncompressed BLOB */ - const byte** field, /*!< in/out: the locally stored part of - the externally stored column */ - ulint* len) /*!< in/out: length of field, in bytes */ -{ - if (ext_buf) { - /* If an ordering column is externally stored, we will - have to store a longer prefix of the field. In this - case, write to the log a marker followed by the - original length and the real length of the field. */ - ptr += mach_write_compressed(ptr, UNIV_EXTERN_STORAGE_FIELD); - - ptr += mach_write_compressed(ptr, *len); - - *field = trx_undo_page_fetch_ext(ext_buf, zip_size, - *field, len); - - ptr += mach_write_compressed(ptr, *len); - } else { - ptr += mach_write_compressed(ptr, UNIV_EXTERN_STORAGE_FIELD - + *len); - } - - return(ptr); -} - -/**********************************************************************//** -Reports in the undo log of an update or delete marking of a clustered index -record. -@return byte offset of the inserted undo log entry on the page if -succeed, 0 if fail */ -static -ulint -trx_undo_page_report_modify( -/*========================*/ - page_t* undo_page, /*!< in: undo log page */ - trx_t* trx, /*!< in: transaction */ - dict_index_t* index, /*!< in: clustered index where update or - delete marking is done */ - const rec_t* rec, /*!< in: clustered index record which - has NOT yet been modified */ - const ulint* offsets, /*!< in: rec_get_offsets(rec, index) */ - const upd_t* update, /*!< in: update vector which tells the - columns to be updated; in the case of - a delete, this should be set to NULL */ - ulint cmpl_info, /*!< in: compiler info on secondary - index updates */ - mtr_t* mtr) /*!< in: mtr */ -{ - dict_table_t* table; - ulint first_free; - byte* ptr; - const byte* field; - ulint flen; - ulint col_no; - ulint type_cmpl; - byte* type_cmpl_ptr; - ulint i; - trx_id_t trx_id; - ibool ignore_prefix = FALSE; - byte ext_buf[REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE]; - - ut_a(dict_index_is_clust(index)); - ut_ad(rec_offs_validate(rec, index, offsets)); - ut_ad(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_TYPE) == TRX_UNDO_UPDATE); - table = index->table; - - first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - ptr = undo_page + first_free; - - ut_ad(first_free <= UNIV_PAGE_SIZE); - - if (trx_undo_left(undo_page, ptr) < 50) { - - /* NOTE: the value 50 must be big enough so that the general - fields written below fit on the undo log page */ - - return(0); - } - - /* Reserve 2 bytes for the pointer to the next undo log record */ - ptr += 2; - - /* Store first some general parameters to the undo log */ - - if (!update) { - type_cmpl = TRX_UNDO_DEL_MARK_REC; - } else if (rec_get_deleted_flag(rec, dict_table_is_comp(table))) { - type_cmpl = TRX_UNDO_UPD_DEL_REC; - /* We are about to update a delete marked record. - We don't typically need the prefix in this case unless - the delete marking is done by the same transaction - (which we check below). */ - ignore_prefix = TRUE; - } else { - type_cmpl = TRX_UNDO_UPD_EXIST_REC; - } - - type_cmpl |= cmpl_info * TRX_UNDO_CMPL_INFO_MULT; - type_cmpl_ptr = ptr; - - *ptr++ = (byte) type_cmpl; - ptr += mach_dulint_write_much_compressed(ptr, trx->undo_no); - - ptr += mach_dulint_write_much_compressed(ptr, table->id); - - /*----------------------------------------*/ - /* Store the state of the info bits */ - - *ptr++ = (byte) rec_get_info_bits(rec, dict_table_is_comp(table)); - - /* Store the values of the system columns */ - field = rec_get_nth_field(rec, offsets, - dict_index_get_sys_col_pos( - index, DATA_TRX_ID), &flen); - ut_ad(flen == DATA_TRX_ID_LEN); - - trx_id = trx_read_trx_id(field); - - /* If it is an update of a delete marked record, then we are - allowed to ignore blob prefixes if the delete marking was done - by some other trx as it must have committed by now for us to - allow an over-write. */ - if (ignore_prefix) { - ignore_prefix = ut_dulint_cmp(trx_id, trx->id) != 0; - } - ptr += mach_dulint_write_compressed(ptr, trx_id); - - field = rec_get_nth_field(rec, offsets, - dict_index_get_sys_col_pos( - index, DATA_ROLL_PTR), &flen); - ut_ad(flen == DATA_ROLL_PTR_LEN); - - ptr += mach_dulint_write_compressed(ptr, trx_read_roll_ptr(field)); - - /*----------------------------------------*/ - /* Store then the fields required to uniquely determine the - record which will be modified in the clustered index */ - - for (i = 0; i < dict_index_get_n_unique(index); i++) { - - field = rec_get_nth_field(rec, offsets, i, &flen); - - /* The ordering columns must not be stored externally. */ - ut_ad(!rec_offs_nth_extern(offsets, i)); - ut_ad(dict_index_get_nth_col(index, i)->ord_part); - - if (trx_undo_left(undo_page, ptr) < 5) { - - return(0); - } - - ptr += mach_write_compressed(ptr, flen); - - if (flen != UNIV_SQL_NULL) { - if (trx_undo_left(undo_page, ptr) < flen) { - - return(0); - } - - ut_memcpy(ptr, field, flen); - ptr += flen; - } - } - - /*----------------------------------------*/ - /* Save to the undo log the old values of the columns to be updated. */ - - if (update) { - if (trx_undo_left(undo_page, ptr) < 5) { - - return(0); - } - - ptr += mach_write_compressed(ptr, upd_get_n_fields(update)); - - for (i = 0; i < upd_get_n_fields(update); i++) { - - ulint pos = upd_get_nth_field(update, i)->field_no; - - /* Write field number to undo log */ - if (trx_undo_left(undo_page, ptr) < 5) { - - return(0); - } - - ptr += mach_write_compressed(ptr, pos); - - /* Save the old value of field */ - field = rec_get_nth_field(rec, offsets, pos, &flen); - - if (trx_undo_left(undo_page, ptr) < 15) { - - return(0); - } - - if (rec_offs_nth_extern(offsets, pos)) { - ptr = trx_undo_page_report_modify_ext( - ptr, - dict_index_get_nth_col(index, pos) - ->ord_part - && !ignore_prefix - && flen < REC_MAX_INDEX_COL_LEN - ? ext_buf : NULL, - dict_table_zip_size(table), - &field, &flen); - - /* Notify purge that it eventually has to - free the old externally stored field */ - - trx->update_undo->del_marks = TRUE; - - *type_cmpl_ptr |= TRX_UNDO_UPD_EXTERN; - } else { - ptr += mach_write_compressed(ptr, flen); - } - - if (flen != UNIV_SQL_NULL) { - if (trx_undo_left(undo_page, ptr) < flen) { - - return(0); - } - - ut_memcpy(ptr, field, flen); - ptr += flen; - } - } - } - - /*----------------------------------------*/ - /* In the case of a delete marking, and also in the case of an update - where any ordering field of any index changes, store the values of all - columns which occur as ordering fields in any index. This info is used - in the purge of old versions where we use it to build and search the - delete marked index records, to look if we can remove them from the - index tree. Note that starting from 4.0.14 also externally stored - fields can be ordering in some index. Starting from 5.2, we no longer - store REC_MAX_INDEX_COL_LEN first bytes to the undo log record, - but we can construct the column prefix fields in the index by - fetching the first page of the BLOB that is pointed to by the - clustered index. This works also in crash recovery, because all pages - (including BLOBs) are recovered before anything is rolled back. */ - - if (!update || !(cmpl_info & UPD_NODE_NO_ORD_CHANGE)) { - byte* old_ptr = ptr; - - trx->update_undo->del_marks = TRUE; - - if (trx_undo_left(undo_page, ptr) < 5) { - - return(0); - } - - /* Reserve 2 bytes to write the number of bytes the stored - fields take in this undo record */ - - ptr += 2; - - for (col_no = 0; col_no < dict_table_get_n_cols(table); - col_no++) { - - const dict_col_t* col - = dict_table_get_nth_col(table, col_no); - - if (col->ord_part) { - ulint pos; - - /* Write field number to undo log */ - if (trx_undo_left(undo_page, ptr) < 5 + 15) { - - return(0); - } - - pos = dict_index_get_nth_col_pos(index, - col_no); - ptr += mach_write_compressed(ptr, pos); - - /* Save the old value of field */ - field = rec_get_nth_field(rec, offsets, pos, - &flen); - - if (rec_offs_nth_extern(offsets, pos)) { - ptr = trx_undo_page_report_modify_ext( - ptr, - flen < REC_MAX_INDEX_COL_LEN - && !ignore_prefix - ? ext_buf : NULL, - dict_table_zip_size(table), - &field, &flen); - } else { - ptr += mach_write_compressed( - ptr, flen); - } - - if (flen != UNIV_SQL_NULL) { - if (trx_undo_left(undo_page, ptr) - < flen) { - - return(0); - } - - ut_memcpy(ptr, field, flen); - ptr += flen; - } - } - } - - mach_write_to_2(old_ptr, ptr - old_ptr); - } - - /*----------------------------------------*/ - /* Write pointers to the previous and the next undo log records */ - if (trx_undo_left(undo_page, ptr) < 2) { - - return(0); - } - - mach_write_to_2(ptr, first_free); - ptr += 2; - mach_write_to_2(undo_page + first_free, ptr - undo_page); - - mach_write_to_2(undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_FREE, - ptr - undo_page); - - /* Write to the REDO log about this change in the UNDO log */ - - trx_undof_page_add_undo_rec_log(undo_page, first_free, - ptr - undo_page, mtr); - return(first_free); -} - -/**********************************************************************//** -Reads from an undo log update record the system field values of the old -version. -@return remaining part of undo log record after reading these values */ -UNIV_INTERN -byte* -trx_undo_update_rec_get_sys_cols( -/*=============================*/ - byte* ptr, /*!< in: remaining part of undo - log record after reading - general parameters */ - trx_id_t* trx_id, /*!< out: trx id */ - roll_ptr_t* roll_ptr, /*!< out: roll ptr */ - ulint* info_bits) /*!< out: info bits state */ -{ - /* Read the state of the info bits */ - *info_bits = mach_read_from_1(ptr); - ptr += 1; - - /* Read the values of the system columns */ - - *trx_id = mach_dulint_read_compressed(ptr); - ptr += mach_dulint_get_compressed_size(*trx_id); - - *roll_ptr = mach_dulint_read_compressed(ptr); - ptr += mach_dulint_get_compressed_size(*roll_ptr); - - return(ptr); -} - -/**********************************************************************//** -Reads from an update undo log record the number of updated fields. -@return remaining part of undo log record after reading this value */ -UNIV_INLINE -byte* -trx_undo_update_rec_get_n_upd_fields( -/*=================================*/ - byte* ptr, /*!< in: pointer to remaining part of undo log record */ - ulint* n) /*!< out: number of fields */ -{ - *n = mach_read_compressed(ptr); - ptr += mach_get_compressed_size(*n); - - return(ptr); -} - -/**********************************************************************//** -Reads from an update undo log record a stored field number. -@return remaining part of undo log record after reading this value */ -UNIV_INLINE -byte* -trx_undo_update_rec_get_field_no( -/*=============================*/ - byte* ptr, /*!< in: pointer to remaining part of undo log record */ - ulint* field_no)/*!< out: field number */ -{ - *field_no = mach_read_compressed(ptr); - ptr += mach_get_compressed_size(*field_no); - - return(ptr); -} - -/*******************************************************************//** -Builds an update vector based on a remaining part of an undo log record. -@return remaining part of the record, NULL if an error detected, which -means that the record is corrupted */ -UNIV_INTERN -byte* -trx_undo_update_rec_get_update( -/*===========================*/ - byte* ptr, /*!< in: remaining part in update undo log - record, after reading the row reference - NOTE that this copy of the undo log record must - be preserved as long as the update vector is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - ulint type, /*!< in: TRX_UNDO_UPD_EXIST_REC, - TRX_UNDO_UPD_DEL_REC, or - TRX_UNDO_DEL_MARK_REC; in the last case, - only trx id and roll ptr fields are added to - the update vector */ - trx_id_t trx_id, /*!< in: transaction id from this undo record */ - roll_ptr_t roll_ptr,/*!< in: roll pointer from this undo record */ - ulint info_bits,/*!< in: info bits from this undo record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap, /*!< in: memory heap from which the memory - needed is allocated */ - upd_t** upd) /*!< out, own: update vector */ -{ - upd_field_t* upd_field; - upd_t* update; - ulint n_fields; - byte* buf; - ulint i; - - ut_a(dict_index_is_clust(index)); - - if (type != TRX_UNDO_DEL_MARK_REC) { - ptr = trx_undo_update_rec_get_n_upd_fields(ptr, &n_fields); - } else { - n_fields = 0; - } - - update = upd_create(n_fields + 2, heap); - - update->info_bits = info_bits; - - /* Store first trx id and roll ptr to update vector */ - - upd_field = upd_get_nth_field(update, n_fields); - buf = mem_heap_alloc(heap, DATA_TRX_ID_LEN); - trx_write_trx_id(buf, trx_id); - - upd_field_set_field_no(upd_field, - dict_index_get_sys_col_pos(index, DATA_TRX_ID), - index, trx); - dfield_set_data(&(upd_field->new_val), buf, DATA_TRX_ID_LEN); - - upd_field = upd_get_nth_field(update, n_fields + 1); - buf = mem_heap_alloc(heap, DATA_ROLL_PTR_LEN); - trx_write_roll_ptr(buf, roll_ptr); - - upd_field_set_field_no( - upd_field, dict_index_get_sys_col_pos(index, DATA_ROLL_PTR), - index, trx); - dfield_set_data(&(upd_field->new_val), buf, DATA_ROLL_PTR_LEN); - - /* Store then the updated ordinary columns to the update vector */ - - for (i = 0; i < n_fields; i++) { - - byte* field; - ulint len; - ulint field_no; - ulint orig_len; - - ptr = trx_undo_update_rec_get_field_no(ptr, &field_no); - - if (field_no >= dict_index_get_n_fields(index)) { - fprintf(stderr, - "InnoDB: Error: trying to access" - " update undo rec field %lu in ", - (ulong) field_no); - dict_index_name_print(stderr, trx, index); - fprintf(stderr, "\n" - "InnoDB: but index has only %lu fields\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n" - "InnoDB: Run also CHECK TABLE ", - (ulong) dict_index_get_n_fields(index)); - ut_print_name(stderr, trx, TRUE, index->table_name); - fprintf(stderr, "\n" - "InnoDB: n_fields = %lu, i = %lu, ptr %p\n", - (ulong) n_fields, (ulong) i, ptr); - *upd = NULL; - return(NULL); - } - - upd_field = upd_get_nth_field(update, i); - - upd_field_set_field_no(upd_field, field_no, index, trx); - - ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); - - upd_field->orig_len = orig_len; - - if (len == UNIV_SQL_NULL) { - dfield_set_null(&upd_field->new_val); - } else if (len < UNIV_EXTERN_STORAGE_FIELD) { - dfield_set_data(&upd_field->new_val, field, len); - } else { - len -= UNIV_EXTERN_STORAGE_FIELD; - - dfield_set_data(&upd_field->new_val, field, len); - dfield_set_ext(&upd_field->new_val); - } - } - - *upd = update; - - return(ptr); -} - -/*******************************************************************//** -Builds a partial row from an update undo log record. It contains the -columns which occur as ordering in any index of the table. -@return pointer to remaining part of undo record */ -UNIV_INTERN -byte* -trx_undo_rec_get_partial_row( -/*=========================*/ - byte* ptr, /*!< in: remaining part in update undo log - record of a suitable type, at the start of - the stored index columns; - NOTE that this copy of the undo log record must - be preserved as long as the partial row is - used, as we do NOT copy the data in the - record! */ - dict_index_t* index, /*!< in: clustered index */ - dtuple_t** row, /*!< out, own: partial row */ - ibool ignore_prefix, /*!< in: flag to indicate if we - expect blob prefixes in undo. Used - only in the assertion. */ - mem_heap_t* heap) /*!< in: memory heap from which the memory - needed is allocated */ -{ - const byte* end_ptr; - ulint row_len; - - ut_ad(index); - ut_ad(ptr); - ut_ad(row); - ut_ad(heap); - ut_ad(dict_index_is_clust(index)); - - row_len = dict_table_get_n_cols(index->table); - - *row = dtuple_create(heap, row_len); - - dict_table_copy_types(*row, index->table); - - end_ptr = ptr + mach_read_from_2(ptr); - ptr += 2; - - while (ptr != end_ptr) { - dfield_t* dfield; - byte* field; - ulint field_no; - const dict_col_t* col; - ulint col_no; - ulint len; - ulint orig_len; - - ptr = trx_undo_update_rec_get_field_no(ptr, &field_no); - - col = dict_index_get_nth_col(index, field_no); - col_no = dict_col_get_no(col); - - ptr = trx_undo_rec_get_col_val(ptr, &field, &len, &orig_len); - - dfield = dtuple_get_nth_field(*row, col_no); - - dfield_set_data(dfield, field, len); - - if (len != UNIV_SQL_NULL - && len >= UNIV_EXTERN_STORAGE_FIELD) { - dfield_set_len(dfield, - len - UNIV_EXTERN_STORAGE_FIELD); - dfield_set_ext(dfield); - /* If the prefix of this column is indexed, - ensure that enough prefix is stored in the - undo log record. */ - ut_a(ignore_prefix - || !col->ord_part - || dfield_get_len(dfield) - >= REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE); - } - } - - return(ptr); -} -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************************//** -Erases the unused undo log page end. */ -static -void -trx_undo_erase_page_end( -/*====================*/ - page_t* undo_page, /*!< in: undo page whose end to erase */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint first_free; - - first_free = mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE); - memset(undo_page + first_free, 0xff, - (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END) - first_free); - - mlog_write_initial_log_record(undo_page, MLOG_UNDO_ERASE_END, mtr); -} - -/***********************************************************//** -Parses a redo log record of erasing of an undo page end. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_erase_page_end( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ut_ad(ptr && end_ptr); - - if (page == NULL) { - - return(ptr); - } - - trx_undo_erase_page_end(page, mtr); - - return(ptr); -} - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Writes information to an undo log about an insert, update, or a delete marking -of a clustered index record. This information is used in a rollback of the -transaction and in consistent reads that must look to the history of this -transaction. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -trx_undo_report_row_operation( -/*==========================*/ - ulint flags, /*!< in: if BTR_NO_UNDO_LOG_FLAG bit is - set, does nothing */ - ulint op_type, /*!< in: TRX_UNDO_INSERT_OP or - TRX_UNDO_MODIFY_OP */ - que_thr_t* thr, /*!< in: query thread */ - dict_index_t* index, /*!< in: clustered index */ - const dtuple_t* clust_entry, /*!< in: in the case of an insert, - index entry to insert into the - clustered index, otherwise NULL */ - const upd_t* update, /*!< in: in the case of an update, - the update vector, otherwise NULL */ - ulint cmpl_info, /*!< in: compiler info on secondary - index updates */ - const rec_t* rec, /*!< in: in case of an update or delete - marking, the record in the clustered - index, otherwise NULL */ - roll_ptr_t* roll_ptr) /*!< out: rollback pointer to the - inserted undo log record, - ut_dulint_zero if BTR_NO_UNDO_LOG - flag was specified */ -{ - trx_t* trx; - trx_undo_t* undo; - ulint page_no; - trx_rseg_t* rseg; - mtr_t mtr; - ulint err = DB_SUCCESS; - mem_heap_t* heap = NULL; - ulint offsets_[REC_OFFS_NORMAL_SIZE]; - ulint* offsets = offsets_; - rec_offs_init(offsets_); - - ut_a(dict_index_is_clust(index)); - - if (flags & BTR_NO_UNDO_LOG_FLAG) { - - *roll_ptr = ut_dulint_zero; - - return(DB_SUCCESS); - } - - ut_ad(thr); - ut_ad((op_type != TRX_UNDO_INSERT_OP) - || (clust_entry && !update && !rec)); - - trx = thr_get_trx(thr); - rseg = trx->rseg; - - mutex_enter(&(trx->undo_mutex)); - - /* If the undo log is not assigned yet, assign one */ - - if (op_type == TRX_UNDO_INSERT_OP) { - - if (trx->insert_undo == NULL) { - - err = trx_undo_assign_undo(trx, TRX_UNDO_INSERT); - } - - undo = trx->insert_undo; - - if (UNIV_UNLIKELY(!undo)) { - /* Did not succeed */ - mutex_exit(&(trx->undo_mutex)); - - return(err); - } - } else { - ut_ad(op_type == TRX_UNDO_MODIFY_OP); - - if (trx->update_undo == NULL) { - - err = trx_undo_assign_undo(trx, TRX_UNDO_UPDATE); - - } - - undo = trx->update_undo; - - if (UNIV_UNLIKELY(!undo)) { - /* Did not succeed */ - mutex_exit(&(trx->undo_mutex)); - return(err); - } - - offsets = rec_get_offsets(rec, index, offsets, - ULINT_UNDEFINED, &heap); - } - - page_no = undo->last_page_no; - - mtr_start(&mtr); - - for (;;) { - buf_block_t* undo_block; - page_t* undo_page; - ulint offset; - - undo_block = buf_page_get_gen(undo->space, undo->zip_size, - page_no, RW_X_LATCH, - undo->guess_block, BUF_GET, - __FILE__, __LINE__, &mtr); - buf_block_dbg_add_level(undo_block, SYNC_TRX_UNDO_PAGE); - - undo_page = buf_block_get_frame(undo_block); - - if (op_type == TRX_UNDO_INSERT_OP) { - offset = trx_undo_page_report_insert( - undo_page, trx, index, clust_entry, &mtr); - } else { - offset = trx_undo_page_report_modify( - undo_page, trx, index, rec, offsets, update, - cmpl_info, &mtr); - } - - if (UNIV_UNLIKELY(offset == 0)) { - /* The record did not fit on the page. We erase the - end segment of the undo log page and write a log - record of it: this is to ensure that in the debug - version the replicate page constructed using the log - records stays identical to the original page */ - - trx_undo_erase_page_end(undo_page, &mtr); - mtr_commit(&mtr); - } else { - /* Success */ - - mtr_commit(&mtr); - - undo->empty = FALSE; - undo->top_page_no = page_no; - undo->top_offset = offset; - undo->top_undo_no = trx->undo_no; - undo->guess_block = undo_block; - - UT_DULINT_INC(trx->undo_no); - - mutex_exit(&trx->undo_mutex); - - *roll_ptr = trx_undo_build_roll_ptr( - op_type == TRX_UNDO_INSERT_OP, - rseg->id, page_no, offset); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(DB_SUCCESS); - } - - ut_ad(page_no == undo->last_page_no); - - /* We have to extend the undo log by one page */ - - mtr_start(&mtr); - - /* When we add a page to an undo log, this is analogous to - a pessimistic insert in a B-tree, and we must reserve the - counterpart of the tree latch, which is the rseg mutex. */ - - mutex_enter(&(rseg->mutex)); - - page_no = trx_undo_add_page(trx, undo, &mtr); - - mutex_exit(&(rseg->mutex)); - - if (UNIV_UNLIKELY(page_no == FIL_NULL)) { - /* Did not succeed: out of space */ - - mutex_exit(&(trx->undo_mutex)); - mtr_commit(&mtr); - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(DB_OUT_OF_FILE_SPACE); - } - } -} - -/*============== BUILDING PREVIOUS VERSION OF A RECORD ===============*/ - -/******************************************************************//** -Copies an undo record to heap. This function can be called if we know that -the undo log record exists. -@return own: copy of the record */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_undo_rec_low( -/*======================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ - mem_heap_t* heap) /*!< in: memory heap where copied */ -{ - trx_undo_rec_t* undo_rec; - ulint rseg_id; - ulint page_no; - ulint offset; - const page_t* undo_page; - trx_rseg_t* rseg; - ibool is_insert; - mtr_t mtr; - - trx_undo_decode_roll_ptr(roll_ptr, &is_insert, &rseg_id, &page_no, - &offset); - rseg = trx_rseg_get_on_id(rseg_id); - - mtr_start(&mtr); - - undo_page = trx_undo_page_get_s_latched(rseg->space, rseg->zip_size, - page_no, &mtr); - - undo_rec = trx_undo_rec_copy(undo_page + offset, heap); - - mtr_commit(&mtr); - - return(undo_rec); -} - -/******************************************************************//** -Copies an undo record to heap. - -NOTE: the caller must have latches on the clustered index page and -purge_view. - -@return DB_SUCCESS, or DB_MISSING_HISTORY if the undo log has been -truncated and we cannot fetch the old version */ -UNIV_INTERN -ulint -trx_undo_get_undo_rec( -/*==================*/ - roll_ptr_t roll_ptr, /*!< in: roll pointer to record */ - trx_id_t trx_id, /*!< in: id of the trx that generated - the roll pointer: it points to an - undo log of this transaction */ - trx_undo_rec_t** undo_rec, /*!< out, own: copy of the record */ - mem_heap_t* heap) /*!< in: memory heap where copied */ -{ -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - - if (!trx_purge_update_undo_must_exist(trx_id)) { - - /* It may be that the necessary undo log has already been - deleted */ - - return(DB_MISSING_HISTORY); - } - - *undo_rec = trx_undo_get_undo_rec_low(roll_ptr, heap); - - return(DB_SUCCESS); -} - -/*******************************************************************//** -Build a previous version of a clustered index record. This function checks -that the caller has a latch on the index page of the clustered index record -and an s-latch on the purge_view. This guarantees that the stack of versions -is locked all the way down to the purge_view. -@return DB_SUCCESS, or DB_MISSING_HISTORY if the previous version is -earlier than purge_view, which means that it may have been removed, -DB_ERROR if corrupted record */ -UNIV_INTERN -ulint -trx_undo_prev_version_build( -/*========================*/ - const rec_t* index_rec,/*!< in: clustered index record in the - index tree */ - mtr_t* index_mtr __attribute__((unused)), - /*!< in: mtr which contains the latch to - index_rec page and purge_view */ - const rec_t* rec, /*!< in: version of a clustered index record */ - dict_index_t* index, /*!< in: clustered index */ - ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - mem_heap_t* heap, /*!< in: memory heap from which the memory - needed is allocated */ - rec_t** old_vers)/*!< out, own: previous version, or NULL if - rec is the first inserted version, or if - history data has been deleted (an error), - or if the purge COULD have removed the version - though it has not yet done so */ -{ - trx_undo_rec_t* undo_rec = NULL; - dtuple_t* entry; - trx_id_t rec_trx_id; - ulint type; - undo_no_t undo_no; - dulint table_id; - trx_id_t trx_id; - roll_ptr_t roll_ptr; - roll_ptr_t old_roll_ptr; - upd_t* update; - byte* ptr; - ulint info_bits; - ulint cmpl_info; - ibool dummy_extern; - byte* buf; - ulint err; -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&(purge_sys->latch), RW_LOCK_SHARED)); -#endif /* UNIV_SYNC_DEBUG */ - ut_ad(mtr_memo_contains_page(index_mtr, index_rec, MTR_MEMO_PAGE_S_FIX) - || mtr_memo_contains_page(index_mtr, index_rec, - MTR_MEMO_PAGE_X_FIX)); - ut_ad(rec_offs_validate(rec, index, offsets)); - - if (!dict_index_is_clust(index)) { - fprintf(stderr, "InnoDB: Error: trying to access" - " update undo rec for non-clustered index %s\n" - "InnoDB: Submit a detailed bug report to" - " http://bugs.mysql.com\n" - "InnoDB: index record ", index->name); - rec_print(stderr, index_rec, index); - fputs("\n" - "InnoDB: record version ", stderr); - rec_print_new(stderr, rec, offsets); - putc('\n', stderr); - return(DB_ERROR); - } - - roll_ptr = row_get_rec_roll_ptr(rec, index, offsets); - old_roll_ptr = roll_ptr; - - *old_vers = NULL; - - if (trx_undo_roll_ptr_is_insert(roll_ptr)) { - - /* The record rec is the first inserted version */ - - return(DB_SUCCESS); - } - - rec_trx_id = row_get_rec_trx_id(rec, index, offsets); - - err = trx_undo_get_undo_rec(roll_ptr, rec_trx_id, &undo_rec, heap); - - if (UNIV_UNLIKELY(err != DB_SUCCESS)) { - /* The undo record may already have been purged. - This should never happen in InnoDB. */ - - return(err); - } - - ptr = trx_undo_rec_get_pars(undo_rec, &type, &cmpl_info, - &dummy_extern, &undo_no, &table_id); - - ptr = trx_undo_update_rec_get_sys_cols(ptr, &trx_id, &roll_ptr, - &info_bits); - - /* (a) If a clustered index record version is such that the - trx id stamp in it is bigger than purge_sys->view, then the - BLOBs in that version are known to exist (the purge has not - progressed that far); - - (b) if the version is the first version such that trx id in it - is less than purge_sys->view, and it is not delete-marked, - then the BLOBs in that version are known to exist (the purge - cannot have purged the BLOBs referenced by that version - yet). - - This function does not fetch any BLOBs. The callers might, by - possibly invoking row_ext_create() via row_build(). However, - they should have all needed information in the *old_vers - returned by this function. This is because *old_vers is based - on the transaction undo log records. The function - trx_undo_page_fetch_ext() will write BLOB prefixes to the - transaction undo log that are at least as long as the longest - possible column prefix in a secondary index. Thus, secondary - index entries for *old_vers can be constructed without - dereferencing any BLOB pointers. */ - - ptr = trx_undo_rec_skip_row_ref(ptr, index); - - ptr = trx_undo_update_rec_get_update(ptr, index, type, trx_id, - roll_ptr, info_bits, - NULL, heap, &update); - - if (ut_dulint_cmp(table_id, index->table->id) != 0) { - ptr = NULL; - - fprintf(stderr, - "InnoDB: Error: trying to access update undo rec" - " for table %s\n" - "InnoDB: but the table id in the" - " undo record is wrong\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com\n" - "InnoDB: Run also CHECK TABLE %s\n", - index->table_name, index->table_name); - } - - if (ptr == NULL) { - /* The record was corrupted, return an error; these printfs - should catch an elusive bug in row_vers_old_has_index_entry */ - - fprintf(stderr, - "InnoDB: table %s, index %s, n_uniq %lu\n" - "InnoDB: undo rec address %p, type %lu cmpl_info %lu\n" - "InnoDB: undo rec table id %lu %lu," - " index table id %lu %lu\n" - "InnoDB: dump of 150 bytes in undo rec: ", - index->table_name, index->name, - (ulong) dict_index_get_n_unique(index), - undo_rec, (ulong) type, (ulong) cmpl_info, - (ulong) ut_dulint_get_high(table_id), - (ulong) ut_dulint_get_low(table_id), - (ulong) ut_dulint_get_high(index->table->id), - (ulong) ut_dulint_get_low(index->table->id)); - ut_print_buf(stderr, undo_rec, 150); - fputs("\n" - "InnoDB: index record ", stderr); - rec_print(stderr, index_rec, index); - fputs("\n" - "InnoDB: record version ", stderr); - rec_print_new(stderr, rec, offsets); - fprintf(stderr, "\n" - "InnoDB: Record trx id " TRX_ID_FMT - ", update rec trx id " TRX_ID_FMT "\n" - "InnoDB: Roll ptr in rec %lu %lu, in update rec" - " %lu %lu\n", - TRX_ID_PREP_PRINTF(rec_trx_id), - TRX_ID_PREP_PRINTF(trx_id), - (ulong) ut_dulint_get_high(old_roll_ptr), - (ulong) ut_dulint_get_low(old_roll_ptr), - (ulong) ut_dulint_get_high(roll_ptr), - (ulong) ut_dulint_get_low(roll_ptr)); - - trx_purge_sys_print(); - return(DB_ERROR); - } - - if (row_upd_changes_field_size_or_external(index, offsets, update)) { - ulint n_ext; - - /* We have to set the appropriate extern storage bits in the - old version of the record: the extern bits in rec for those - fields that update does NOT update, as well as the bits for - those fields that update updates to become externally stored - fields. Store the info: */ - - entry = row_rec_to_index_entry(ROW_COPY_DATA, rec, index, - offsets, &n_ext, heap); - n_ext += btr_push_update_extern_fields(entry, update, heap); - /* The page containing the clustered index record - corresponding to entry is latched in mtr. Thus the - following call is safe. */ - row_upd_index_replace_new_col_vals(entry, index, update, heap); - - buf = mem_heap_alloc(heap, rec_get_converted_size(index, entry, - n_ext)); - - *old_vers = rec_convert_dtuple_to_rec(buf, index, - entry, n_ext); - } else { - buf = mem_heap_alloc(heap, rec_offs_size(offsets)); - *old_vers = rec_copy(buf, rec, offsets); - rec_offs_make_valid(*old_vers, index, offsets); - row_upd_rec_in_place(*old_vers, index, offsets, update, NULL); - } - - return(DB_SUCCESS); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/trx/trx0roll.c b/perfschema/trx/trx0roll.c deleted file mode 100644 index c925478cdf4..00000000000 --- a/perfschema/trx/trx0roll.c +++ /dev/null @@ -1,1366 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0roll.c -Transaction rollback - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0roll.h" - -#ifdef UNIV_NONINL -#include "trx0roll.ic" -#endif - -#include "fsp0fsp.h" -#include "mach0data.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "trx0undo.h" -#include "trx0rec.h" -#include "que0que.h" -#include "usr0sess.h" -#include "srv0que.h" -#include "srv0start.h" -#include "row0undo.h" -#include "row0mysql.h" -#include "lock0lock.h" -#include "pars0pars.h" - -/** This many pages must be undone before a truncate is tried within -rollback */ -#define TRX_ROLL_TRUNC_THRESHOLD 1 - -/** In crash recovery, the current trx to be rolled back */ -static trx_t* trx_roll_crash_recv_trx = NULL; - -/** In crash recovery we set this to the undo n:o of the current trx to be -rolled back. Then we can print how many % the rollback has progressed. */ -static ib_int64_t trx_roll_max_undo_no; - -/** Auxiliary variable which tells the previous progress % we printed */ -static ulint trx_roll_progress_printed_pct; - -/*******************************************************************//** -Rollback a transaction used in MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_general_rollback_for_mysql( -/*===========================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_savept_t* savept) /*!< in: pointer to savepoint undo number, if - partial rollback requested, or NULL for - complete rollback */ -{ - mem_heap_t* heap; - que_thr_t* thr; - roll_node_t* roll_node; - - /* Tell Innobase server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - trx_start_if_not_started(trx); - - heap = mem_heap_create(512); - - roll_node = roll_node_create(heap); - - if (savept) { - roll_node->partial = TRUE; - roll_node->savept = *savept; - } - - trx->error_state = DB_SUCCESS; - - thr = pars_complete_graph_for_exec(roll_node, trx, heap); - - ut_a(thr == que_fork_start_command(que_node_get_parent(thr))); - que_run_threads(thr); - - mutex_enter(&kernel_mutex); - - while (trx->que_state != TRX_QUE_RUNNING) { - - mutex_exit(&kernel_mutex); - - os_thread_sleep(100000); - - mutex_enter(&kernel_mutex); - } - - mutex_exit(&kernel_mutex); - - mem_heap_free(heap); - - ut_a(trx->error_state == DB_SUCCESS); - - /* Tell Innobase server that there might be work for - utility threads: */ - - srv_active_wake_master_thread(); - - return((int) trx->error_state); -} - -/*******************************************************************//** -Rollback a transaction used in MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_rollback_for_mysql( -/*===================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - int err; - - if (trx->conc_state == TRX_NOT_STARTED) { - - return(DB_SUCCESS); - } - - trx->op_info = "rollback"; - - /* If we are doing the XA recovery of prepared transactions, then - the transaction object does not have an InnoDB session object, and we - set a dummy session that we use for all MySQL transactions. */ - - err = trx_general_rollback_for_mysql(trx, NULL); - - trx->op_info = ""; - - return(err); -} - -/*******************************************************************//** -Rollback the latest SQL statement for MySQL. -@return error code or DB_SUCCESS */ -UNIV_INTERN -int -trx_rollback_last_sql_stat_for_mysql( -/*=================================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - int err; - - if (trx->conc_state == TRX_NOT_STARTED) { - - return(DB_SUCCESS); - } - - trx->op_info = "rollback of SQL statement"; - - err = trx_general_rollback_for_mysql(trx, &trx->last_sql_stat_start); - /* The following call should not be needed, but we play safe: */ - trx_mark_sql_stat_end(trx); - - trx->op_info = ""; - - return(err); -} - -/*******************************************************************//** -Frees a single savepoint struct. */ -UNIV_INTERN -void -trx_roll_savepoint_free( -/*=====================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_named_savept_t* savep) /*!< in: savepoint to free */ -{ - ut_a(savep != NULL); - ut_a(UT_LIST_GET_LEN(trx->trx_savepoints) > 0); - - UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); - mem_free(savep->name); - mem_free(savep); -} - -/*******************************************************************//** -Frees savepoint structs starting from savep, if savep == NULL then -free all savepoints. */ -UNIV_INTERN -void -trx_roll_savepoints_free( -/*=====================*/ - trx_t* trx, /*!< in: transaction handle */ - trx_named_savept_t* savep) /*!< in: free all savepoints > this one; - if this is NULL, free all savepoints - of trx */ -{ - trx_named_savept_t* next_savep; - - if (savep == NULL) { - savep = UT_LIST_GET_FIRST(trx->trx_savepoints); - } else { - savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - } - - while (savep != NULL) { - next_savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - - trx_roll_savepoint_free(trx, savep); - - savep = next_savep; - } -} - -/*******************************************************************//** -Rolls back a transaction back to a named savepoint. Modifications after the -savepoint are undone but InnoDB does NOT release the corresponding locks -which are stored in memory. If a lock is 'implicit', that is, a new inserted -row holds a lock where the lock information is carried by the trx id stored in -the row, these locks are naturally released in the rollback. Savepoints which -were set after this savepoint are deleted. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, -otherwise DB_SUCCESS */ -UNIV_INTERN -ulint -trx_rollback_to_savepoint_for_mysql( -/*================================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name, /*!< in: savepoint name */ - ib_int64_t* mysql_binlog_cache_pos) /*!< out: the MySQL binlog cache - position corresponding to this - savepoint; MySQL needs this - information to remove the - binlog entries of the queries - executed after the savepoint */ -{ - trx_named_savept_t* savep; - ulint err; - - savep = UT_LIST_GET_FIRST(trx->trx_savepoints); - - while (savep != NULL) { - if (0 == ut_strcmp(savep->name, savepoint_name)) { - /* Found */ - break; - } - savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - } - - if (savep == NULL) { - - return(DB_NO_SAVEPOINT); - } - - if (trx->conc_state == TRX_NOT_STARTED) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: transaction has a savepoint ", stderr); - ut_print_name(stderr, trx, FALSE, savep->name); - fputs(" though it is not started\n", stderr); - return(DB_ERROR); - } - - /* We can now free all savepoints strictly later than this one */ - - trx_roll_savepoints_free(trx, savep); - - *mysql_binlog_cache_pos = savep->mysql_binlog_cache_pos; - - trx->op_info = "rollback to a savepoint"; - - err = trx_general_rollback_for_mysql(trx, &savep->savept); - - /* Store the current undo_no of the transaction so that we know where - to roll back if we have to roll back the next SQL statement: */ - - trx_mark_sql_stat_end(trx); - - trx->op_info = ""; - - return(err); -} - -/*******************************************************************//** -Creates a named savepoint. If the transaction is not yet started, starts it. -If there is already a savepoint of the same name, this call erases that old -savepoint and replaces it with a new. Savepoints are deleted in a transaction -commit or rollback. -@return always DB_SUCCESS */ -UNIV_INTERN -ulint -trx_savepoint_for_mysql( -/*====================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name, /*!< in: savepoint name */ - ib_int64_t binlog_cache_pos) /*!< in: MySQL binlog cache - position corresponding to this - connection at the time of the - savepoint */ -{ - trx_named_savept_t* savep; - - ut_a(trx); - ut_a(savepoint_name); - - trx_start_if_not_started(trx); - - savep = UT_LIST_GET_FIRST(trx->trx_savepoints); - - while (savep != NULL) { - if (0 == ut_strcmp(savep->name, savepoint_name)) { - /* Found */ - break; - } - savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - } - - if (savep) { - /* There is a savepoint with the same name: free that */ - - UT_LIST_REMOVE(trx_savepoints, trx->trx_savepoints, savep); - - mem_free(savep->name); - mem_free(savep); - } - - /* Create a new savepoint and add it as the last in the list */ - - savep = mem_alloc(sizeof(trx_named_savept_t)); - - savep->name = mem_strdup(savepoint_name); - - savep->savept = trx_savept_take(trx); - - savep->mysql_binlog_cache_pos = binlog_cache_pos; - - UT_LIST_ADD_LAST(trx_savepoints, trx->trx_savepoints, savep); - - return(DB_SUCCESS); -} - -/*******************************************************************//** -Releases only the named savepoint. Savepoints which were set after this -savepoint are left as is. -@return if no savepoint of the name found then DB_NO_SAVEPOINT, -otherwise DB_SUCCESS */ -UNIV_INTERN -ulint -trx_release_savepoint_for_mysql( -/*============================*/ - trx_t* trx, /*!< in: transaction handle */ - const char* savepoint_name) /*!< in: savepoint name */ -{ - trx_named_savept_t* savep; - - savep = UT_LIST_GET_FIRST(trx->trx_savepoints); - - /* Search for the savepoint by name and free if found. */ - while (savep != NULL) { - if (0 == ut_strcmp(savep->name, savepoint_name)) { - trx_roll_savepoint_free(trx, savep); - return(DB_SUCCESS); - } - savep = UT_LIST_GET_NEXT(trx_savepoints, savep); - } - - return(DB_NO_SAVEPOINT); -} - -/*******************************************************************//** -Determines if this transaction is rolling back an incomplete transaction -in crash recovery. -@return TRUE if trx is an incomplete transaction that is being rolled -back in crash recovery */ -UNIV_INTERN -ibool -trx_is_recv( -/*========*/ - const trx_t* trx) /*!< in: transaction */ -{ - return(trx == trx_roll_crash_recv_trx); -} - -/*******************************************************************//** -Returns a transaction savepoint taken at this point in time. -@return savepoint */ -UNIV_INTERN -trx_savept_t -trx_savept_take( -/*============*/ - trx_t* trx) /*!< in: transaction */ -{ - trx_savept_t savept; - - savept.least_undo_no = trx->undo_no; - - return(savept); -} - -/*******************************************************************//** -Roll back an active transaction. */ -static -void -trx_rollback_active( -/*================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - mem_heap_t* heap; - que_fork_t* fork; - que_thr_t* thr; - roll_node_t* roll_node; - dict_table_t* table; - ib_int64_t rows_to_undo; - const char* unit = ""; - ibool dictionary_locked = FALSE; - - heap = mem_heap_create(512); - - fork = que_fork_create(NULL, NULL, QUE_FORK_RECOVERY, heap); - fork->trx = trx; - - thr = que_thr_create(fork, heap); - - roll_node = roll_node_create(heap); - - thr->child = roll_node; - roll_node->common.parent = thr; - - mutex_enter(&kernel_mutex); - - trx->graph = fork; - - ut_a(thr == que_fork_start_command(fork)); - - trx_roll_crash_recv_trx = trx; - trx_roll_max_undo_no = ut_conv_dulint_to_longlong(trx->undo_no); - trx_roll_progress_printed_pct = 0; - rows_to_undo = trx_roll_max_undo_no; - - if (rows_to_undo > 1000000000) { - rows_to_undo = rows_to_undo / 1000000; - unit = "M"; - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Rolling back trx with id " TRX_ID_FMT ", %lu%s" - " rows to undo\n", - TRX_ID_PREP_PRINTF(trx->id), - (ulong) rows_to_undo, unit); - mutex_exit(&kernel_mutex); - - trx->mysql_thread_id = os_thread_get_curr_id(); - - trx->mysql_process_no = os_proc_get_number(); - - if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE) { - row_mysql_lock_data_dictionary(trx); - dictionary_locked = TRUE; - } - - que_run_threads(thr); - - mutex_enter(&kernel_mutex); - - while (trx->que_state != TRX_QUE_RUNNING) { - - mutex_exit(&kernel_mutex); - - fprintf(stderr, - "InnoDB: Waiting for rollback of trx id %lu to end\n", - (ulong) ut_dulint_get_low(trx->id)); - os_thread_sleep(100000); - - mutex_enter(&kernel_mutex); - } - - mutex_exit(&kernel_mutex); - - if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE - && !ut_dulint_is_zero(trx->table_id)) { - - /* If the transaction was for a dictionary operation, we - drop the relevant table, if it still exists */ - - fprintf(stderr, - "InnoDB: Dropping table with id %lu %lu" - " in recovery if it exists\n", - (ulong) ut_dulint_get_high(trx->table_id), - (ulong) ut_dulint_get_low(trx->table_id)); - - table = dict_table_get_on_id_low(trx->table_id); - - if (table) { - ulint err; - - fputs("InnoDB: Table found: dropping table ", stderr); - ut_print_name(stderr, trx, TRUE, table->name); - fputs(" in recovery\n", stderr); - - err = row_drop_table_for_mysql(table->name, trx, TRUE); - trx_commit_for_mysql(trx); - - ut_a(err == (int) DB_SUCCESS); - } - } - - if (dictionary_locked) { - row_mysql_unlock_data_dictionary(trx); - } - - fprintf(stderr, "\nInnoDB: Rolling back of trx id " TRX_ID_FMT - " completed\n", - TRX_ID_PREP_PRINTF(trx->id)); - mem_heap_free(heap); - - trx_roll_crash_recv_trx = NULL; -} - -/*******************************************************************//** -Rollback or clean up any incomplete transactions which were -encountered in crash recovery. If the transaction already was -committed, then we clean up a possible insert undo log. If the -transaction was not yet committed, then we roll it back. */ -UNIV_INTERN -void -trx_rollback_or_clean_recovered( -/*============================*/ - ibool all) /*!< in: FALSE=roll back dictionary transactions; - TRUE=roll back all non-PREPARED transactions */ -{ - trx_t* trx; - - mutex_enter(&kernel_mutex); - - if (!UT_LIST_GET_FIRST(trx_sys->trx_list)) { - goto leave_function; - } - - if (all) { - fprintf(stderr, - "InnoDB: Starting in background the rollback" - " of uncommitted transactions\n"); - } - - mutex_exit(&kernel_mutex); - -loop: - mutex_enter(&kernel_mutex); - - for (trx = UT_LIST_GET_FIRST(trx_sys->trx_list); trx; - trx = UT_LIST_GET_NEXT(trx_list, trx)) { - if (!trx->is_recovered) { - continue; - } - - switch (trx->conc_state) { - case TRX_NOT_STARTED: - case TRX_PREPARED: - continue; - - case TRX_COMMITTED_IN_MEMORY: - mutex_exit(&kernel_mutex); - fprintf(stderr, - "InnoDB: Cleaning up trx with id " - TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(trx->id)); - trx_cleanup_at_db_startup(trx); - goto loop; - - case TRX_ACTIVE: - if (all || trx_get_dict_operation(trx) - != TRX_DICT_OP_NONE) { - mutex_exit(&kernel_mutex); - trx_rollback_active(trx); - goto loop; - } - } - } - - if (all) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Rollback of non-prepared" - " transactions completed\n"); - } - -leave_function: - mutex_exit(&kernel_mutex); -} - -/*******************************************************************//** -Rollback or clean up any incomplete transactions which were -encountered in crash recovery. If the transaction already was -committed, then we clean up a possible insert undo log. If the -transaction was not yet committed, then we roll it back. -Note: this is done in a background thread. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -trx_rollback_or_clean_all_recovered( -/*================================*/ - void* arg __attribute__((unused))) - /*!< in: a dummy parameter required by - os_thread_create */ -{ - trx_rollback_or_clean_recovered(TRUE); - - /* We count the number of threads in os_thread_exit(). A created - thread should always use that to exit and not use return() to exit. */ - - os_thread_exit(NULL); - - OS_THREAD_DUMMY_RETURN; -} - -/*******************************************************************//** -Creates an undo number array. -@return own: undo number array */ -UNIV_INTERN -trx_undo_arr_t* -trx_undo_arr_create(void) -/*=====================*/ -{ - trx_undo_arr_t* arr; - mem_heap_t* heap; - ulint i; - - heap = mem_heap_create(1024); - - arr = mem_heap_alloc(heap, sizeof(trx_undo_arr_t)); - - arr->infos = mem_heap_alloc(heap, sizeof(trx_undo_inf_t) - * UNIV_MAX_PARALLELISM); - arr->n_cells = UNIV_MAX_PARALLELISM; - arr->n_used = 0; - - arr->heap = heap; - - for (i = 0; i < UNIV_MAX_PARALLELISM; i++) { - - (trx_undo_arr_get_nth_info(arr, i))->in_use = FALSE; - } - - return(arr); -} - -/*******************************************************************//** -Frees an undo number array. */ -UNIV_INTERN -void -trx_undo_arr_free( -/*==============*/ - trx_undo_arr_t* arr) /*!< in: undo number array */ -{ - ut_ad(arr->n_used == 0); - - mem_heap_free(arr->heap); -} - -/*******************************************************************//** -Stores info of an undo log record to the array if it is not stored yet. -@return FALSE if the record already existed in the array */ -static -ibool -trx_undo_arr_store_info( -/*====================*/ - trx_t* trx, /*!< in: transaction */ - undo_no_t undo_no)/*!< in: undo number */ -{ - trx_undo_inf_t* cell; - trx_undo_inf_t* stored_here; - trx_undo_arr_t* arr; - ulint n_used; - ulint n; - ulint i; - - n = 0; - arr = trx->undo_no_arr; - n_used = arr->n_used; - stored_here = NULL; - - for (i = 0;; i++) { - cell = trx_undo_arr_get_nth_info(arr, i); - - if (!cell->in_use) { - if (!stored_here) { - /* Not in use, we may store here */ - cell->undo_no = undo_no; - cell->in_use = TRUE; - - arr->n_used++; - - stored_here = cell; - } - } else { - n++; - - if (0 == ut_dulint_cmp(cell->undo_no, undo_no)) { - - if (stored_here) { - stored_here->in_use = FALSE; - ut_ad(arr->n_used > 0); - arr->n_used--; - } - - ut_ad(arr->n_used == n_used); - - return(FALSE); - } - } - - if (n == n_used && stored_here) { - - ut_ad(arr->n_used == 1 + n_used); - - return(TRUE); - } - } -} - -/*******************************************************************//** -Removes an undo number from the array. */ -static -void -trx_undo_arr_remove_info( -/*=====================*/ - trx_undo_arr_t* arr, /*!< in: undo number array */ - undo_no_t undo_no)/*!< in: undo number */ -{ - trx_undo_inf_t* cell; - ulint n_used; - ulint n; - ulint i; - - n_used = arr->n_used; - n = 0; - - for (i = 0;; i++) { - cell = trx_undo_arr_get_nth_info(arr, i); - - if (cell->in_use - && 0 == ut_dulint_cmp(cell->undo_no, undo_no)) { - - cell->in_use = FALSE; - - ut_ad(arr->n_used > 0); - - arr->n_used--; - - return; - } - } -} - -/*******************************************************************//** -Gets the biggest undo number in an array. -@return biggest value, ut_dulint_zero if the array is empty */ -static -undo_no_t -trx_undo_arr_get_biggest( -/*=====================*/ - trx_undo_arr_t* arr) /*!< in: undo number array */ -{ - trx_undo_inf_t* cell; - ulint n_used; - undo_no_t biggest; - ulint n; - ulint i; - - n = 0; - n_used = arr->n_used; - biggest = ut_dulint_zero; - - for (i = 0;; i++) { - cell = trx_undo_arr_get_nth_info(arr, i); - - if (cell->in_use) { - n++; - if (ut_dulint_cmp(cell->undo_no, biggest) > 0) { - - biggest = cell->undo_no; - } - } - - if (n == n_used) { - return(biggest); - } - } -} - -/***********************************************************************//** -Tries truncate the undo logs. */ -UNIV_INTERN -void -trx_roll_try_truncate( -/*==================*/ - trx_t* trx) /*!< in/out: transaction */ -{ - trx_undo_arr_t* arr; - undo_no_t limit; - undo_no_t biggest; - - ut_ad(mutex_own(&(trx->undo_mutex))); - ut_ad(mutex_own(&((trx->rseg)->mutex))); - - trx->pages_undone = 0; - - arr = trx->undo_no_arr; - - limit = trx->undo_no; - - if (arr->n_used > 0) { - biggest = trx_undo_arr_get_biggest(arr); - - if (ut_dulint_cmp(biggest, limit) >= 0) { - - limit = ut_dulint_add(biggest, 1); - } - } - - if (trx->insert_undo) { - trx_undo_truncate_end(trx, trx->insert_undo, limit); - } - - if (trx->update_undo) { - trx_undo_truncate_end(trx, trx->update_undo, limit); - } -} - -/***********************************************************************//** -Pops the topmost undo log record in a single undo log and updates the info -about the topmost record in the undo log memory struct. -@return undo log record, the page s-latched */ -static -trx_undo_rec_t* -trx_roll_pop_top_rec( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* undo_page; - ulint offset; - trx_undo_rec_t* prev_rec; - page_t* prev_rec_page; - - ut_ad(mutex_own(&(trx->undo_mutex))); - - undo_page = trx_undo_page_get_s_latched(undo->space, undo->zip_size, - undo->top_page_no, mtr); - offset = undo->top_offset; - - /* fprintf(stderr, "Thread %lu undoing trx %lu undo record %lu\n", - os_thread_get_curr_id(), ut_dulint_get_low(trx->id), - ut_dulint_get_low(undo->top_undo_no)); */ - - prev_rec = trx_undo_get_prev_rec(undo_page + offset, - undo->hdr_page_no, undo->hdr_offset, - mtr); - if (prev_rec == NULL) { - - undo->empty = TRUE; - } else { - prev_rec_page = page_align(prev_rec); - - if (prev_rec_page != undo_page) { - - trx->pages_undone++; - } - - undo->top_page_no = page_get_page_no(prev_rec_page); - undo->top_offset = prev_rec - prev_rec_page; - undo->top_undo_no = trx_undo_rec_get_undo_no(prev_rec); - } - - return(undo_page + offset); -} - -/********************************************************************//** -Pops the topmost record when the two undo logs of a transaction are seen -as a single stack of records ordered by their undo numbers. Inserts the -undo number of the popped undo record to the array of currently processed -undo numbers in the transaction. When the query thread finishes processing -of this undo record, it must be released with trx_undo_rec_release. -@return undo log record copied to heap, NULL if none left, or if the -undo number of the top record would be less than the limit */ -UNIV_INTERN -trx_undo_rec_t* -trx_roll_pop_top_rec_of_trx( -/*========================*/ - trx_t* trx, /*!< in: transaction */ - undo_no_t limit, /*!< in: least undo number we need */ - roll_ptr_t* roll_ptr,/*!< out: roll pointer to undo record */ - mem_heap_t* heap) /*!< in: memory heap where copied */ -{ - trx_undo_t* undo; - trx_undo_t* ins_undo; - trx_undo_t* upd_undo; - trx_undo_rec_t* undo_rec; - trx_undo_rec_t* undo_rec_copy; - undo_no_t undo_no; - ibool is_insert; - trx_rseg_t* rseg; - ulint progress_pct; - mtr_t mtr; - - rseg = trx->rseg; -try_again: - mutex_enter(&(trx->undo_mutex)); - - if (trx->pages_undone >= TRX_ROLL_TRUNC_THRESHOLD) { - mutex_enter(&(rseg->mutex)); - - trx_roll_try_truncate(trx); - - mutex_exit(&(rseg->mutex)); - } - - ins_undo = trx->insert_undo; - upd_undo = trx->update_undo; - - if (!ins_undo || ins_undo->empty) { - undo = upd_undo; - } else if (!upd_undo || upd_undo->empty) { - undo = ins_undo; - } else if (ut_dulint_cmp(upd_undo->top_undo_no, - ins_undo->top_undo_no) > 0) { - undo = upd_undo; - } else { - undo = ins_undo; - } - - if (!undo || undo->empty - || (ut_dulint_cmp(limit, undo->top_undo_no) > 0)) { - - if ((trx->undo_no_arr)->n_used == 0) { - /* Rollback is ending */ - - mutex_enter(&(rseg->mutex)); - - trx_roll_try_truncate(trx); - - mutex_exit(&(rseg->mutex)); - } - - mutex_exit(&(trx->undo_mutex)); - - return(NULL); - } - - if (undo == ins_undo) { - is_insert = TRUE; - } else { - is_insert = FALSE; - } - - *roll_ptr = trx_undo_build_roll_ptr(is_insert, (undo->rseg)->id, - undo->top_page_no, - undo->top_offset); - mtr_start(&mtr); - - undo_rec = trx_roll_pop_top_rec(trx, undo, &mtr); - - undo_no = trx_undo_rec_get_undo_no(undo_rec); - - ut_ad(ut_dulint_cmp(ut_dulint_add(undo_no, 1), trx->undo_no) == 0); - - /* We print rollback progress info if we are in a crash recovery - and the transaction has at least 1000 row operations to undo. */ - - if (trx == trx_roll_crash_recv_trx && trx_roll_max_undo_no > 1000) { - - progress_pct = 100 - (ulint) - ((ut_conv_dulint_to_longlong(undo_no) * 100) - / trx_roll_max_undo_no); - if (progress_pct != trx_roll_progress_printed_pct) { - if (trx_roll_progress_printed_pct == 0) { - fprintf(stderr, - "\nInnoDB: Progress in percents:" - " %lu", (ulong) progress_pct); - } else { - fprintf(stderr, - " %lu", (ulong) progress_pct); - } - fflush(stderr); - trx_roll_progress_printed_pct = progress_pct; - } - } - - trx->undo_no = undo_no; - - if (!trx_undo_arr_store_info(trx, undo_no)) { - /* A query thread is already processing this undo log record */ - - mutex_exit(&(trx->undo_mutex)); - - mtr_commit(&mtr); - - goto try_again; - } - - undo_rec_copy = trx_undo_rec_copy(undo_rec, heap); - - mutex_exit(&(trx->undo_mutex)); - - mtr_commit(&mtr); - - return(undo_rec_copy); -} - -/********************************************************************//** -Reserves an undo log record for a query thread to undo. This should be -called if the query thread gets the undo log record not using the pop -function above. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -trx_undo_rec_reserve( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - undo_no_t undo_no)/*!< in: undo number of the record */ -{ - ibool ret; - - mutex_enter(&(trx->undo_mutex)); - - ret = trx_undo_arr_store_info(trx, undo_no); - - mutex_exit(&(trx->undo_mutex)); - - return(ret); -} - -/*******************************************************************//** -Releases a reserved undo record. */ -UNIV_INTERN -void -trx_undo_rec_release( -/*=================*/ - trx_t* trx, /*!< in/out: transaction */ - undo_no_t undo_no)/*!< in: undo number */ -{ - trx_undo_arr_t* arr; - - mutex_enter(&(trx->undo_mutex)); - - arr = trx->undo_no_arr; - - trx_undo_arr_remove_info(arr, undo_no); - - mutex_exit(&(trx->undo_mutex)); -} - -/*********************************************************************//** -Starts a rollback operation. */ -UNIV_INTERN -void -trx_rollback( -/*=========*/ - trx_t* trx, /*!< in: transaction */ - trx_sig_t* sig, /*!< in: signal starting the rollback */ - que_thr_t** next_thr)/*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if the passed value is - NULL, the parameter is ignored */ -{ - que_t* roll_graph; - que_thr_t* thr; - /* que_thr_t* thr2; */ - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad((trx->undo_no_arr == NULL) || ((trx->undo_no_arr)->n_used == 0)); - - /* Initialize the rollback field in the transaction */ - - if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { - - trx->roll_limit = ut_dulint_zero; - - } else if (sig->type == TRX_SIG_ROLLBACK_TO_SAVEPT) { - - trx->roll_limit = (sig->savept).least_undo_no; - - } else if (sig->type == TRX_SIG_ERROR_OCCURRED) { - - trx->roll_limit = trx->last_sql_stat_start.least_undo_no; - } else { - ut_error; - } - - ut_a(ut_dulint_cmp(trx->roll_limit, trx->undo_no) <= 0); - - trx->pages_undone = 0; - - if (trx->undo_no_arr == NULL) { - trx->undo_no_arr = trx_undo_arr_create(); - } - - /* Build a 'query' graph which will perform the undo operations */ - - roll_graph = trx_roll_graph_build(trx); - - trx->graph = roll_graph; - trx->que_state = TRX_QUE_ROLLING_BACK; - - thr = que_fork_start_command(roll_graph); - - ut_ad(thr); - - /* thr2 = que_fork_start_command(roll_graph); - - ut_ad(thr2); */ - - if (next_thr && (*next_thr == NULL)) { - *next_thr = thr; - /* srv_que_task_enqueue_low(thr2); */ - } else { - srv_que_task_enqueue_low(thr); - /* srv_que_task_enqueue_low(thr2); */ - } -} - -/****************************************************************//** -Builds an undo 'query' graph for a transaction. The actual rollback is -performed by executing this query graph like a query subprocedure call. -The reply about the completion of the rollback will be sent by this -graph. -@return own: the query graph */ -UNIV_INTERN -que_t* -trx_roll_graph_build( -/*=================*/ - trx_t* trx) /*!< in: trx handle */ -{ - mem_heap_t* heap; - que_fork_t* fork; - que_thr_t* thr; - /* que_thr_t* thr2; */ - - ut_ad(mutex_own(&kernel_mutex)); - - heap = mem_heap_create(512); - fork = que_fork_create(NULL, NULL, QUE_FORK_ROLLBACK, heap); - fork->trx = trx; - - thr = que_thr_create(fork, heap); - /* thr2 = que_thr_create(fork, heap); */ - - thr->child = row_undo_node_create(trx, thr, heap); - /* thr2->child = row_undo_node_create(trx, thr2, heap); */ - - return(fork); -} - -/*********************************************************************//** -Finishes error processing after the necessary partial rollback has been -done. */ -static -void -trx_finish_error_processing( -/*========================*/ - trx_t* trx) /*!< in: transaction */ -{ - trx_sig_t* sig; - trx_sig_t* next_sig; - - ut_ad(mutex_own(&kernel_mutex)); - - sig = UT_LIST_GET_FIRST(trx->signals); - - while (sig != NULL) { - next_sig = UT_LIST_GET_NEXT(signals, sig); - - if (sig->type == TRX_SIG_ERROR_OCCURRED) { - - trx_sig_remove(trx, sig); - } - - sig = next_sig; - } - - trx->que_state = TRX_QUE_RUNNING; -} - -/*********************************************************************//** -Finishes a partial rollback operation. */ -static -void -trx_finish_partial_rollback_off_kernel( -/*===================================*/ - trx_t* trx, /*!< in: transaction */ - que_thr_t** next_thr)/*!< in/out: next query thread to run; - if the value which is passed in is a pointer - to a NULL pointer, then the calling function - can start running a new query thread; if this - parameter is NULL, it is ignored */ -{ - trx_sig_t* sig; - - ut_ad(mutex_own(&kernel_mutex)); - - sig = UT_LIST_GET_FIRST(trx->signals); - - /* Remove the signal from the signal queue and send reply message - to it */ - - trx_sig_reply(sig, next_thr); - trx_sig_remove(trx, sig); - - trx->que_state = TRX_QUE_RUNNING; -} - -/****************************************************************//** -Finishes a transaction rollback. */ -UNIV_INTERN -void -trx_finish_rollback_off_kernel( -/*===========================*/ - que_t* graph, /*!< in: undo graph which can now be freed */ - trx_t* trx, /*!< in: transaction */ - que_thr_t** next_thr)/*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if this parameter is - NULL, it is ignored */ -{ - trx_sig_t* sig; - trx_sig_t* next_sig; - - ut_ad(mutex_own(&kernel_mutex)); - - ut_a(trx->undo_no_arr == NULL || trx->undo_no_arr->n_used == 0); - - /* Free the memory reserved by the undo graph */ - que_graph_free(graph); - - sig = UT_LIST_GET_FIRST(trx->signals); - - if (sig->type == TRX_SIG_ROLLBACK_TO_SAVEPT) { - - trx_finish_partial_rollback_off_kernel(trx, next_thr); - - return; - - } else if (sig->type == TRX_SIG_ERROR_OCCURRED) { - - trx_finish_error_processing(trx); - - return; - } - -#ifdef UNIV_DEBUG - if (lock_print_waits) { - fprintf(stderr, "Trx %lu rollback finished\n", - (ulong) ut_dulint_get_low(trx->id)); - } -#endif /* UNIV_DEBUG */ - - trx_commit_off_kernel(trx); - - /* Remove all TRX_SIG_TOTAL_ROLLBACK signals from the signal queue and - send reply messages to them */ - - trx->que_state = TRX_QUE_RUNNING; - - while (sig != NULL) { - next_sig = UT_LIST_GET_NEXT(signals, sig); - - if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { - - trx_sig_reply(sig, next_thr); - - trx_sig_remove(trx, sig); - } - - sig = next_sig; - } -} - -/*********************************************************************//** -Creates a rollback command node struct. -@return own: rollback node struct */ -UNIV_INTERN -roll_node_t* -roll_node_create( -/*=============*/ - mem_heap_t* heap) /*!< in: mem heap where created */ -{ - roll_node_t* node; - - node = mem_heap_alloc(heap, sizeof(roll_node_t)); - node->common.type = QUE_NODE_ROLLBACK; - node->state = ROLL_NODE_SEND; - - node->partial = FALSE; - - return(node); -} - -/***********************************************************//** -Performs an execution step for a rollback command node in a query graph. -@return query thread to run next, or NULL */ -UNIV_INTERN -que_thr_t* -trx_rollback_step( -/*==============*/ - que_thr_t* thr) /*!< in: query thread */ -{ - roll_node_t* node; - ulint sig_no; - trx_savept_t* savept; - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_ROLLBACK); - - if (thr->prev_node == que_node_get_parent(node)) { - node->state = ROLL_NODE_SEND; - } - - if (node->state == ROLL_NODE_SEND) { - mutex_enter(&kernel_mutex); - - node->state = ROLL_NODE_WAIT; - - if (node->partial) { - sig_no = TRX_SIG_ROLLBACK_TO_SAVEPT; - savept = &(node->savept); - } else { - sig_no = TRX_SIG_TOTAL_ROLLBACK; - savept = NULL; - } - - /* Send a rollback signal to the transaction */ - - trx_sig_send(thr_get_trx(thr), sig_no, TRX_SIG_SELF, thr, - savept, NULL); - - thr->state = QUE_THR_SIG_REPLY_WAIT; - - mutex_exit(&kernel_mutex); - - return(NULL); - } - - ut_ad(node->state == ROLL_NODE_WAIT); - - thr->run_node = que_node_get_parent(node); - - return(thr); -} diff --git a/perfschema/trx/trx0rseg.c b/perfschema/trx/trx0rseg.c deleted file mode 100644 index 36dea9b2a95..00000000000 --- a/perfschema/trx/trx0rseg.c +++ /dev/null @@ -1,288 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0rseg.c -Rollback segment - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0rseg.h" - -#ifdef UNIV_NONINL -#include "trx0rseg.ic" -#endif - -#include "trx0undo.h" -#include "fut0lst.h" -#include "srv0srv.h" -#include "trx0purge.h" - -/******************************************************************//** -Looks for a rollback segment, based on the rollback segment id. -@return rollback segment */ -UNIV_INTERN -trx_rseg_t* -trx_rseg_get_on_id( -/*===============*/ - ulint id) /*!< in: rollback segment id */ -{ - trx_rseg_t* rseg; - - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - ut_ad(rseg); - - while (rseg->id != id) { - rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - ut_ad(rseg); - } - - return(rseg); -} - -/****************************************************************//** -Creates a rollback segment header. This function is called only when -a new rollback segment is created in the database. -@return page number of the created segment, FIL_NULL if fail */ -UNIV_INTERN -ulint -trx_rseg_header_create( -/*===================*/ - ulint space, /*!< in: space id */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint max_size, /*!< in: max size in pages */ - ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint page_no; - trx_rsegf_t* rsegf; - trx_sysf_t* sys_header; - ulint i; - buf_block_t* block; - - ut_ad(mtr); - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), - MTR_MEMO_X_LOCK)); - sys_header = trx_sysf_get(mtr); - - *slot_no = trx_sysf_rseg_find_free(mtr); - - if (*slot_no == ULINT_UNDEFINED) { - - return(FIL_NULL); - } - - /* Allocate a new file segment for the rollback segment */ - block = fseg_create(space, 0, - TRX_RSEG + TRX_RSEG_FSEG_HEADER, mtr); - - if (block == NULL) { - /* No space left */ - - return(FIL_NULL); - } - - buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); - - page_no = buf_block_get_page_no(block); - - /* Get the rollback segment file page */ - rsegf = trx_rsegf_get_new(space, zip_size, page_no, mtr); - - /* Initialize max size field */ - mlog_write_ulint(rsegf + TRX_RSEG_MAX_SIZE, max_size, - MLOG_4BYTES, mtr); - - /* Initialize the history list */ - - mlog_write_ulint(rsegf + TRX_RSEG_HISTORY_SIZE, 0, MLOG_4BYTES, mtr); - flst_init(rsegf + TRX_RSEG_HISTORY, mtr); - - /* Reset the undo log slots */ - for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { - - trx_rsegf_set_nth_undo(rsegf, i, FIL_NULL, mtr); - } - - /* Add the rollback segment info to the free slot in the trx system - header */ - - trx_sysf_rseg_set_space(sys_header, *slot_no, space, mtr); - trx_sysf_rseg_set_page_no(sys_header, *slot_no, page_no, mtr); - - return(page_no); -} - -/***********************************************************************//** -Free's an instance of the rollback segment in memory. */ -UNIV_INTERN -void -trx_rseg_mem_free( -/*==============*/ - trx_rseg_t* rseg) /* in, own: instance to free */ -{ - trx_undo_t* undo; - - mutex_free(&rseg->mutex); - - /* There can't be any active transactions. */ - ut_a(UT_LIST_GET_LEN(rseg->update_undo_list) == 0); - ut_a(UT_LIST_GET_LEN(rseg->insert_undo_list) == 0); - - undo = UT_LIST_GET_FIRST(rseg->update_undo_cached); - - while (undo != NULL) { - trx_undo_t* prev_undo = undo; - - undo = UT_LIST_GET_NEXT(undo_list, undo); - UT_LIST_REMOVE(undo_list, rseg->update_undo_cached, prev_undo); - - trx_undo_mem_free(prev_undo); - } - - undo = UT_LIST_GET_FIRST(rseg->insert_undo_cached); - - while (undo != NULL) { - trx_undo_t* prev_undo = undo; - - undo = UT_LIST_GET_NEXT(undo_list, undo); - UT_LIST_REMOVE(undo_list, rseg->insert_undo_cached, prev_undo); - - trx_undo_mem_free(prev_undo); - } - - trx_sys_set_nth_rseg(trx_sys, rseg->id, NULL); - - mem_free(rseg); -} - -/*************************************************************************** -Creates and initializes a rollback segment object. The values for the -fields are read from the header. The object is inserted to the rseg -list of the trx system object and a pointer is inserted in the rseg -array in the trx system object. -@return own: rollback segment object */ -static -trx_rseg_t* -trx_rseg_mem_create( -/*================*/ - ulint id, /*!< in: rollback segment id */ - ulint space, /*!< in: space where the segment placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the segment header */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_rsegf_t* rseg_header; - trx_rseg_t* rseg; - trx_ulogf_t* undo_log_hdr; - fil_addr_t node_addr; - ulint sum_of_undo_sizes; - ulint len; - - ut_ad(mutex_own(&kernel_mutex)); - - rseg = mem_alloc(sizeof(trx_rseg_t)); - - rseg->id = id; - rseg->space = space; - rseg->zip_size = zip_size; - rseg->page_no = page_no; - - mutex_create(&rseg->mutex, SYNC_RSEG); - - UT_LIST_ADD_LAST(rseg_list, trx_sys->rseg_list, rseg); - - trx_sys_set_nth_rseg(trx_sys, id, rseg); - - rseg_header = trx_rsegf_get_new(space, zip_size, page_no, mtr); - - rseg->max_size = mtr_read_ulint(rseg_header + TRX_RSEG_MAX_SIZE, - MLOG_4BYTES, mtr); - - /* Initialize the undo log lists according to the rseg header */ - - sum_of_undo_sizes = trx_undo_lists_init(rseg); - - rseg->curr_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, - MLOG_4BYTES, mtr) - + 1 + sum_of_undo_sizes; - - len = flst_get_len(rseg_header + TRX_RSEG_HISTORY, mtr); - if (len > 0) { - trx_sys->rseg_history_len += len; - - node_addr = trx_purge_get_log_from_hist( - flst_get_last(rseg_header + TRX_RSEG_HISTORY, mtr)); - rseg->last_page_no = node_addr.page; - rseg->last_offset = node_addr.boffset; - - undo_log_hdr = trx_undo_page_get(rseg->space, rseg->zip_size, - node_addr.page, - mtr) + node_addr.boffset; - - rseg->last_trx_no = mtr_read_dulint( - undo_log_hdr + TRX_UNDO_TRX_NO, mtr); - rseg->last_del_marks = mtr_read_ulint( - undo_log_hdr + TRX_UNDO_DEL_MARKS, MLOG_2BYTES, mtr); - } else { - rseg->last_page_no = FIL_NULL; - } - - return(rseg); -} - -/*********************************************************************//** -Creates the memory copies for rollback segments and initializes the -rseg list and array in trx_sys at a database startup. */ -UNIV_INTERN -void -trx_rseg_list_and_array_init( -/*=========================*/ - trx_sysf_t* sys_header, /*!< in: trx system header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - ulint page_no; - ulint space; - - UT_LIST_INIT(trx_sys->rseg_list); - - trx_sys->rseg_history_len = 0; - - for (i = 0; i < TRX_SYS_N_RSEGS; i++) { - - page_no = trx_sysf_rseg_get_page_no(sys_header, i, mtr); - - if (page_no == FIL_NULL) { - - trx_sys_set_nth_rseg(trx_sys, i, NULL); - } else { - ulint zip_size; - - space = trx_sysf_rseg_get_space(sys_header, i, mtr); - - zip_size = space ? fil_space_get_zip_size(space) : 0; - - trx_rseg_mem_create(i, space, zip_size, page_no, mtr); - } - } -} diff --git a/perfschema/trx/trx0sys.c b/perfschema/trx/trx0sys.c deleted file mode 100644 index ba25662c8fb..00000000000 --- a/perfschema/trx/trx0sys.c +++ /dev/null @@ -1,1615 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0sys.c -Transaction system - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0sys.h" - -#ifdef UNIV_NONINL -#include "trx0sys.ic" -#endif - -#ifndef UNIV_HOTBACKUP -#include "fsp0fsp.h" -#include "mtr0log.h" -#include "mtr0log.h" -#include "trx0trx.h" -#include "trx0rseg.h" -#include "trx0undo.h" -#include "srv0srv.h" -#include "trx0purge.h" -#include "log0log.h" -#include "os0file.h" -#include "read0read.h" - -/** The file format tag structure with id and name. */ -struct file_format_struct { - ulint id; /*!< id of the file format */ - const char* name; /*!< text representation of the - file format */ - mutex_t mutex; /*!< covers changes to the above - fields */ -}; - -/** The file format tag */ -typedef struct file_format_struct file_format_t; - -/** The transaction system */ -UNIV_INTERN trx_sys_t* trx_sys = NULL; -/** The doublewrite buffer */ -UNIV_INTERN trx_doublewrite_t* trx_doublewrite = NULL; - -/** The following is set to TRUE when we are upgrading from pre-4.1 -format data files to the multiple tablespaces format data files */ -UNIV_INTERN ibool trx_doublewrite_must_reset_space_ids = FALSE; -/** Set to TRUE when the doublewrite buffer is being created */ -UNIV_INTERN ibool trx_doublewrite_buf_is_being_created = FALSE; - -/** The following is TRUE when we are using the database in the -post-4.1 format, i.e., we have successfully upgraded, or have created -a new database installation */ -UNIV_INTERN ibool trx_sys_multiple_tablespace_format = FALSE; - -/** In a MySQL replication slave, in crash recovery we store the master log -file name and position here. */ -/* @{ */ -/** Master binlog file name */ -UNIV_INTERN char trx_sys_mysql_master_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; -/** Master binlog file position. We have successfully got the updates -up to this position. -1 means that no crash recovery was needed, or -there was no master log position info inside InnoDB.*/ -UNIV_INTERN ib_int64_t trx_sys_mysql_master_log_pos = -1; -/* @} */ - -/** If this MySQL server uses binary logging, after InnoDB has been inited -and if it has done a crash recovery, we store the binlog file name and position -here. */ -/* @{ */ -/** Binlog file name */ -UNIV_INTERN char trx_sys_mysql_bin_log_name[TRX_SYS_MYSQL_LOG_NAME_LEN]; -/** Binlog file position, or -1 if unknown */ -UNIV_INTERN ib_int64_t trx_sys_mysql_bin_log_pos = -1; -/* @} */ -#endif /* !UNIV_HOTBACKUP */ - -/** List of animal names representing file format. */ -static const char* file_format_name_map[] = { - "Antelope", - "Barracuda", - "Cheetah", - "Dragon", - "Elk", - "Fox", - "Gazelle", - "Hornet", - "Impala", - "Jaguar", - "Kangaroo", - "Leopard", - "Moose", - "Nautilus", - "Ocelot", - "Porpoise", - "Quail", - "Rabbit", - "Shark", - "Tiger", - "Urchin", - "Viper", - "Whale", - "Xenops", - "Yak", - "Zebra" -}; - -/** The number of elements in the file format name array. */ -static const ulint FILE_FORMAT_NAME_N - = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); - -#ifndef UNIV_HOTBACKUP -/** This is used to track the maximum file format id known to InnoDB. It's -updated via SET GLOBAL innodb_file_format_check = 'x' or when we open -or create a table. */ -static file_format_t file_format_max; - -/****************************************************************//** -Determines if a page number is located inside the doublewrite buffer. -@return TRUE if the location is inside the two blocks of the -doublewrite buffer */ -UNIV_INTERN -ibool -trx_doublewrite_page_inside( -/*========================*/ - ulint page_no) /*!< in: page number */ -{ - if (trx_doublewrite == NULL) { - - return(FALSE); - } - - if (page_no >= trx_doublewrite->block1 - && page_no < trx_doublewrite->block1 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - return(TRUE); - } - - if (page_no >= trx_doublewrite->block2 - && page_no < trx_doublewrite->block2 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - return(TRUE); - } - - return(FALSE); -} - -/****************************************************************//** -Creates or initialializes the doublewrite buffer at a database start. */ -static -void -trx_doublewrite_init( -/*=================*/ - byte* doublewrite) /*!< in: pointer to the doublewrite buf - header on trx sys page */ -{ - trx_doublewrite = mem_alloc(sizeof(trx_doublewrite_t)); - - /* Since we now start to use the doublewrite buffer, no need to call - fsync() after every write to a data file */ -#ifdef UNIV_DO_FLUSH - os_do_not_call_flush_at_each_write = TRUE; -#endif /* UNIV_DO_FLUSH */ - - mutex_create(&trx_doublewrite->mutex, SYNC_DOUBLEWRITE); - - trx_doublewrite->first_free = 0; - - trx_doublewrite->block1 = mach_read_from_4( - doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK1); - trx_doublewrite->block2 = mach_read_from_4( - doublewrite + TRX_SYS_DOUBLEWRITE_BLOCK2); - trx_doublewrite->write_buf_unaligned = ut_malloc( - (1 + 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) * UNIV_PAGE_SIZE); - - trx_doublewrite->write_buf = ut_align( - trx_doublewrite->write_buf_unaligned, UNIV_PAGE_SIZE); - trx_doublewrite->buf_block_arr = mem_alloc( - 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * sizeof(void*)); -} - -/****************************************************************//** -Marks the trx sys header when we have successfully upgraded to the >= 4.1.x -multiple tablespace format. */ -UNIV_INTERN -void -trx_sys_mark_upgraded_to_multiple_tablespaces(void) -/*===============================================*/ -{ - buf_block_t* block; - byte* doublewrite; - mtr_t mtr; - - /* We upgraded to 4.1.x and reset the space id fields in the - doublewrite buffer. Let us mark to the trx_sys header that the upgrade - has been done. */ - - mtr_start(&mtr); - - block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; - - mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED, - TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, - MLOG_4BYTES, &mtr); - mtr_commit(&mtr); - - /* Flush the modified pages to disk and make a checkpoint */ - log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); - - trx_sys_multiple_tablespace_format = TRUE; -} - -/****************************************************************//** -Creates the doublewrite buffer to a new InnoDB installation. The header of the -doublewrite buffer is placed on the trx system header page. */ -UNIV_INTERN -void -trx_sys_create_doublewrite_buf(void) -/*================================*/ -{ - buf_block_t* block; - buf_block_t* block2; - buf_block_t* new_block; - byte* doublewrite; - byte* fseg_header; - ulint page_no; - ulint prev_page_no; - ulint i; - mtr_t mtr; - - if (trx_doublewrite) { - /* Already inited */ - - return; - } - -start_again: - mtr_start(&mtr); - trx_doublewrite_buf_is_being_created = TRUE; - - block = buf_page_get(TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK); - - doublewrite = buf_block_get_frame(block) + TRX_SYS_DOUBLEWRITE; - - if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC) - == TRX_SYS_DOUBLEWRITE_MAGIC_N) { - /* The doublewrite buffer has already been created: - just read in some numbers */ - - trx_doublewrite_init(doublewrite); - - mtr_commit(&mtr); - trx_doublewrite_buf_is_being_created = FALSE; - } else { - fprintf(stderr, - "InnoDB: Doublewrite buffer not found:" - " creating new\n"); - - if (buf_pool_get_curr_size() - < ((2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE - + FSP_EXTENT_SIZE / 2 + 100) - * UNIV_PAGE_SIZE)) { - fprintf(stderr, - "InnoDB: Cannot create doublewrite buffer:" - " you must\n" - "InnoDB: increase your buffer pool size.\n" - "InnoDB: Cannot continue operation.\n"); - - exit(1); - } - - block2 = fseg_create(TRX_SYS_SPACE, TRX_SYS_PAGE_NO, - TRX_SYS_DOUBLEWRITE - + TRX_SYS_DOUBLEWRITE_FSEG, &mtr); - - /* fseg_create acquires a second latch on the page, - therefore we must declare it: */ - - buf_block_dbg_add_level(block2, SYNC_NO_ORDER_CHECK); - - if (block2 == NULL) { - fprintf(stderr, - "InnoDB: Cannot create doublewrite buffer:" - " you must\n" - "InnoDB: increase your tablespace size.\n" - "InnoDB: Cannot continue operation.\n"); - - /* We exit without committing the mtr to prevent - its modifications to the database getting to disk */ - - exit(1); - } - - fseg_header = buf_block_get_frame(block) - + TRX_SYS_DOUBLEWRITE + TRX_SYS_DOUBLEWRITE_FSEG; - prev_page_no = 0; - - for (i = 0; i < 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE - + FSP_EXTENT_SIZE / 2; i++) { - page_no = fseg_alloc_free_page(fseg_header, - prev_page_no + 1, - FSP_UP, &mtr); - if (page_no == FIL_NULL) { - fprintf(stderr, - "InnoDB: Cannot create doublewrite" - " buffer: you must\n" - "InnoDB: increase your" - " tablespace size.\n" - "InnoDB: Cannot continue operation.\n" - ); - - exit(1); - } - - /* We read the allocated pages to the buffer pool; - when they are written to disk in a flush, the space - id and page number fields are also written to the - pages. When we at database startup read pages - from the doublewrite buffer, we know that if the - space id and page number in them are the same as - the page position in the tablespace, then the page - has not been written to in doublewrite. */ - - new_block = buf_page_get(TRX_SYS_SPACE, 0, page_no, - RW_X_LATCH, &mtr); - buf_block_dbg_add_level(new_block, - SYNC_NO_ORDER_CHECK); - - if (i == FSP_EXTENT_SIZE / 2) { - ut_a(page_no == FSP_EXTENT_SIZE); - mlog_write_ulint(doublewrite - + TRX_SYS_DOUBLEWRITE_BLOCK1, - page_no, MLOG_4BYTES, &mtr); - mlog_write_ulint(doublewrite - + TRX_SYS_DOUBLEWRITE_REPEAT - + TRX_SYS_DOUBLEWRITE_BLOCK1, - page_no, MLOG_4BYTES, &mtr); - } else if (i == FSP_EXTENT_SIZE / 2 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - ut_a(page_no == 2 * FSP_EXTENT_SIZE); - mlog_write_ulint(doublewrite - + TRX_SYS_DOUBLEWRITE_BLOCK2, - page_no, MLOG_4BYTES, &mtr); - mlog_write_ulint(doublewrite - + TRX_SYS_DOUBLEWRITE_REPEAT - + TRX_SYS_DOUBLEWRITE_BLOCK2, - page_no, MLOG_4BYTES, &mtr); - } else if (i > FSP_EXTENT_SIZE / 2) { - ut_a(page_no == prev_page_no + 1); - } - - prev_page_no = page_no; - } - - mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC, - TRX_SYS_DOUBLEWRITE_MAGIC_N, - MLOG_4BYTES, &mtr); - mlog_write_ulint(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC - + TRX_SYS_DOUBLEWRITE_REPEAT, - TRX_SYS_DOUBLEWRITE_MAGIC_N, - MLOG_4BYTES, &mtr); - - mlog_write_ulint(doublewrite - + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED, - TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N, - MLOG_4BYTES, &mtr); - mtr_commit(&mtr); - - /* Flush the modified pages to disk and make a checkpoint */ - log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE); - - fprintf(stderr, "InnoDB: Doublewrite buffer created\n"); - - trx_sys_multiple_tablespace_format = TRUE; - - goto start_again; - } -} - -/****************************************************************//** -At a database startup initializes the doublewrite buffer memory structure if -we already have a doublewrite buffer created in the data files. If we are -upgrading to an InnoDB version which supports multiple tablespaces, then this -function performs the necessary update operations. If we are in a crash -recovery, this function uses a possible doublewrite buffer to restore -half-written pages in the data files. */ -UNIV_INTERN -void -trx_sys_doublewrite_init_or_restore_pages( -/*======================================*/ - ibool restore_corrupt_pages) /*!< in: TRUE=restore pages */ -{ - byte* buf; - byte* read_buf; - byte* unaligned_read_buf; - ulint block1; - ulint block2; - ulint source_page_no; - byte* page; - byte* doublewrite; - ulint space_id; - ulint page_no; - ulint i; - - /* We do the file i/o past the buffer pool */ - - unaligned_read_buf = ut_malloc(2 * UNIV_PAGE_SIZE); - read_buf = ut_align(unaligned_read_buf, UNIV_PAGE_SIZE); - - /* Read the trx sys header to check if we are using the doublewrite - buffer */ - - fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, 0, - UNIV_PAGE_SIZE, read_buf, NULL); - doublewrite = read_buf + TRX_SYS_DOUBLEWRITE; - - if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC) - == TRX_SYS_DOUBLEWRITE_MAGIC_N) { - /* The doublewrite buffer has been created */ - - trx_doublewrite_init(doublewrite); - - block1 = trx_doublewrite->block1; - block2 = trx_doublewrite->block2; - - buf = trx_doublewrite->write_buf; - } else { - goto leave_func; - } - - if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED) - != TRX_SYS_DOUBLEWRITE_SPACE_ID_STORED_N) { - - /* We are upgrading from a version < 4.1.x to a version where - multiple tablespaces are supported. We must reset the space id - field in the pages in the doublewrite buffer because starting - from this version the space id is stored to - FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID. */ - - trx_doublewrite_must_reset_space_ids = TRUE; - - fprintf(stderr, - "InnoDB: Resetting space id's in the" - " doublewrite buffer\n"); - } else { - trx_sys_multiple_tablespace_format = TRUE; - } - - /* Read the pages from the doublewrite buffer to memory */ - - fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, block1, 0, - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, - buf, NULL); - fil_io(OS_FILE_READ, TRUE, TRX_SYS_SPACE, 0, block2, 0, - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, - buf + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE, - NULL); - /* Check if any of these pages is half-written in data files, in the - intended position */ - - page = buf; - - for (i = 0; i < TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * 2; i++) { - - page_no = mach_read_from_4(page + FIL_PAGE_OFFSET); - - if (trx_doublewrite_must_reset_space_ids) { - - space_id = 0; - mach_write_to_4(page - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, 0); - /* We do not need to calculate new checksums for the - pages because the field .._SPACE_ID does not affect - them. Write the page back to where we read it from. */ - - if (i < TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) { - source_page_no = block1 + i; - } else { - source_page_no = block2 - + i - TRX_SYS_DOUBLEWRITE_BLOCK_SIZE; - } - - fil_io(OS_FILE_WRITE, TRUE, 0, 0, source_page_no, 0, - UNIV_PAGE_SIZE, page, NULL); - /* printf("Resetting space id in page %lu\n", - source_page_no); */ - } else { - space_id = mach_read_from_4( - page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); - } - - if (!restore_corrupt_pages) { - /* The database was shut down gracefully: no need to - restore pages */ - - } else if (!fil_tablespace_exists_in_mem(space_id)) { - /* Maybe we have dropped the single-table tablespace - and this page once belonged to it: do nothing */ - - } else if (!fil_check_adress_in_tablespace(space_id, - page_no)) { - fprintf(stderr, - "InnoDB: Warning: a page in the" - " doublewrite buffer is not within space\n" - "InnoDB: bounds; space id %lu" - " page number %lu, page %lu in" - " doublewrite buf.\n", - (ulong) space_id, (ulong) page_no, (ulong) i); - - } else if (space_id == TRX_SYS_SPACE - && ((page_no >= block1 - && page_no - < block1 + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) - || (page_no >= block2 - && page_no - < (block2 - + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE)))) { - - /* It is an unwritten doublewrite buffer page: - do nothing */ - } else { - ulint zip_size = fil_space_get_zip_size(space_id); - - /* Read in the actual page from the file */ - fil_io(OS_FILE_READ, TRUE, space_id, zip_size, - page_no, 0, - zip_size ? zip_size : UNIV_PAGE_SIZE, - read_buf, NULL); - - /* Check if the page is corrupt */ - - if (UNIV_UNLIKELY - (buf_page_is_corrupted(read_buf, zip_size))) { - - fprintf(stderr, - "InnoDB: Warning: database page" - " corruption or a failed\n" - "InnoDB: file read of" - " space %lu page %lu.\n" - "InnoDB: Trying to recover it from" - " the doublewrite buffer.\n", - (ulong) space_id, (ulong) page_no); - - if (buf_page_is_corrupted(page, zip_size)) { - fprintf(stderr, - "InnoDB: Dump of the page:\n"); - buf_page_print(read_buf, zip_size); - fprintf(stderr, - "InnoDB: Dump of" - " corresponding page" - " in doublewrite buffer:\n"); - buf_page_print(page, zip_size); - - fprintf(stderr, - "InnoDB: Also the page in the" - " doublewrite buffer" - " is corrupt.\n" - "InnoDB: Cannot continue" - " operation.\n" - "InnoDB: You can try to" - " recover the database" - " with the my.cnf\n" - "InnoDB: option:\n" - "InnoDB:" - " innodb_force_recovery=6\n"); - exit(1); - } - - /* Write the good page from the - doublewrite buffer to the intended - position */ - - fil_io(OS_FILE_WRITE, TRUE, space_id, - zip_size, page_no, 0, - zip_size ? zip_size : UNIV_PAGE_SIZE, - page, NULL); - fprintf(stderr, - "InnoDB: Recovered the page from" - " the doublewrite buffer.\n"); - } - } - - page += UNIV_PAGE_SIZE; - } - - fil_flush_file_spaces(FIL_TABLESPACE); - -leave_func: - ut_free(unaligned_read_buf); -} - -/****************************************************************//** -Checks that trx is in the trx list. -@return TRUE if is in */ -UNIV_INTERN -ibool -trx_in_trx_list( -/*============*/ - trx_t* in_trx) /*!< in: trx */ -{ - trx_t* trx; - - ut_ad(mutex_own(&(kernel_mutex))); - - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx != NULL) { - - if (trx == in_trx) { - - return(TRUE); - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - return(FALSE); -} - -/*****************************************************************//** -Writes the value of max_trx_id to the file based trx system header. */ -UNIV_INTERN -void -trx_sys_flush_max_trx_id(void) -/*==========================*/ -{ - trx_sysf_t* sys_header; - mtr_t mtr; - - ut_ad(mutex_own(&kernel_mutex)); - - mtr_start(&mtr); - - sys_header = trx_sysf_get(&mtr); - - mlog_write_dulint(sys_header + TRX_SYS_TRX_ID_STORE, - trx_sys->max_trx_id, &mtr); - mtr_commit(&mtr); -} - -/*****************************************************************//** -Updates the offset information about the end of the MySQL binlog entry -which corresponds to the transaction just being committed. In a MySQL -replication slave updates the latest master binlog position up to which -replication has proceeded. */ -UNIV_INTERN -void -trx_sys_update_mysql_binlog_offset( -/*===============================*/ - const char* file_name,/*!< in: MySQL log file name */ - ib_int64_t offset, /*!< in: position in that log file */ - ulint field, /*!< in: offset of the MySQL log info field in - the trx sys header */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_sysf_t* sys_header; - - if (ut_strlen(file_name) >= TRX_SYS_MYSQL_LOG_NAME_LEN) { - - /* We cannot fit the name to the 512 bytes we have reserved */ - - return; - } - - sys_header = trx_sysf_get(mtr); - - if (mach_read_from_4(sys_header + field - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) - != TRX_SYS_MYSQL_LOG_MAGIC_N) { - - mlog_write_ulint(sys_header + field - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD, - TRX_SYS_MYSQL_LOG_MAGIC_N, - MLOG_4BYTES, mtr); - } - - if (0 != strcmp((char*) (sys_header + field + TRX_SYS_MYSQL_LOG_NAME), - file_name)) { - - mlog_write_string(sys_header + field - + TRX_SYS_MYSQL_LOG_NAME, - (byte*) file_name, 1 + ut_strlen(file_name), - mtr); - } - - if (mach_read_from_4(sys_header + field - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH) > 0 - || (offset >> 32) > 0) { - - mlog_write_ulint(sys_header + field - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH, - (ulint)(offset >> 32), - MLOG_4BYTES, mtr); - } - - mlog_write_ulint(sys_header + field - + TRX_SYS_MYSQL_LOG_OFFSET_LOW, - (ulint)(offset & 0xFFFFFFFFUL), - MLOG_4BYTES, mtr); -} - -/*****************************************************************//** -Stores the MySQL binlog offset info in the trx system header if -the magic number shows it valid, and print the info to stderr */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset(void) -/*===================================*/ -{ - trx_sysf_t* sys_header; - mtr_t mtr; - ulint trx_sys_mysql_bin_log_pos_high; - ulint trx_sys_mysql_bin_log_pos_low; - - mtr_start(&mtr); - - sys_header = trx_sysf_get(&mtr); - - if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) - != TRX_SYS_MYSQL_LOG_MAGIC_N) { - - mtr_commit(&mtr); - - return; - } - - trx_sys_mysql_bin_log_pos_high = mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH); - trx_sys_mysql_bin_log_pos_low = mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_LOW); - - trx_sys_mysql_bin_log_pos - = (((ib_int64_t)trx_sys_mysql_bin_log_pos_high) << 32) - + (ib_int64_t)trx_sys_mysql_bin_log_pos_low; - - ut_memcpy(trx_sys_mysql_bin_log_name, - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_NAME, TRX_SYS_MYSQL_LOG_NAME_LEN); - - fprintf(stderr, - "InnoDB: Last MySQL binlog file position %lu %lu," - " file name %s\n", - trx_sys_mysql_bin_log_pos_high, trx_sys_mysql_bin_log_pos_low, - trx_sys_mysql_bin_log_name); - - mtr_commit(&mtr); -} - -/*****************************************************************//** -Prints to stderr the MySQL master log offset info in the trx system header if -the magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_master_log_pos(void) -/*====================================*/ -{ - trx_sysf_t* sys_header; - mtr_t mtr; - - mtr_start(&mtr); - - sys_header = trx_sysf_get(&mtr); - - if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) - != TRX_SYS_MYSQL_LOG_MAGIC_N) { - - mtr_commit(&mtr); - - return; - } - - fprintf(stderr, - "InnoDB: In a MySQL replication slave the last" - " master binlog file\n" - "InnoDB: position %lu %lu, file name %s\n", - (ulong) mach_read_from_4(sys_header - + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), - (ulong) mach_read_from_4(sys_header - + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_LOW), - sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_NAME); - /* Copy the master log position info to global variables we can - use in ha_innobase.cc to initialize glob_mi to right values */ - - ut_memcpy(trx_sys_mysql_master_log_name, - sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_NAME, - TRX_SYS_MYSQL_LOG_NAME_LEN); - - trx_sys_mysql_master_log_pos - = (((ib_int64_t) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH)) << 32) - + ((ib_int64_t) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_MASTER_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_LOW)); - mtr_commit(&mtr); -} - -/****************************************************************//** -Looks for a free slot for a rollback segment in the trx system file copy. -@return slot index or ULINT_UNDEFINED if not found */ -UNIV_INTERN -ulint -trx_sysf_rseg_find_free( -/*====================*/ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_sysf_t* sys_header; - ulint page_no; - ulint i; - - ut_ad(mutex_own(&(kernel_mutex))); - - sys_header = trx_sysf_get(mtr); - - for (i = 0; i < TRX_SYS_N_RSEGS; i++) { - - page_no = trx_sysf_rseg_get_page_no(sys_header, i, mtr); - - if (page_no == FIL_NULL) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/*****************************************************************//** -Creates the file page for the transaction system. This function is called only -at the database creation, before trx_sys_init. */ -static -void -trx_sysf_create( -/*============*/ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_sysf_t* sys_header; - ulint slot_no; - buf_block_t* block; - page_t* page; - ulint page_no; - ulint i; - - ut_ad(mtr); - - /* Note that below we first reserve the file space x-latch, and - then enter the kernel: we must do it in this order to conform - to the latching order rules. */ - - mtr_x_lock(fil_space_get_latch(TRX_SYS_SPACE, NULL), mtr); - mutex_enter(&kernel_mutex); - - /* Create the trx sys file block in a new allocated file segment */ - block = fseg_create(TRX_SYS_SPACE, 0, TRX_SYS + TRX_SYS_FSEG_HEADER, - mtr); - buf_block_dbg_add_level(block, SYNC_TRX_SYS_HEADER); - - ut_a(buf_block_get_page_no(block) == TRX_SYS_PAGE_NO); - - page = buf_block_get_frame(block); - - mlog_write_ulint(page + FIL_PAGE_TYPE, FIL_PAGE_TYPE_TRX_SYS, - MLOG_2BYTES, mtr); - - /* Reset the doublewrite buffer magic number to zero so that we - know that the doublewrite buffer has not yet been created (this - suppresses a Valgrind warning) */ - - mlog_write_ulint(page + TRX_SYS_DOUBLEWRITE - + TRX_SYS_DOUBLEWRITE_MAGIC, 0, MLOG_4BYTES, mtr); - - sys_header = trx_sysf_get(mtr); - - /* Start counting transaction ids from number 1 up */ - mlog_write_dulint(sys_header + TRX_SYS_TRX_ID_STORE, - ut_dulint_create(0, 1), mtr); - - /* Reset the rollback segment slots */ - for (i = 0; i < TRX_SYS_N_RSEGS; i++) { - - trx_sysf_rseg_set_space(sys_header, i, ULINT_UNDEFINED, mtr); - trx_sysf_rseg_set_page_no(sys_header, i, FIL_NULL, mtr); - } - - /* The remaining area (up to the page trailer) is uninitialized. - Silence Valgrind warnings about it. */ - UNIV_MEM_VALID(sys_header + (TRX_SYS_RSEGS - + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE), - (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END - - (TRX_SYS_RSEGS - + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE)) - + page - sys_header); - - /* Create the first rollback segment in the SYSTEM tablespace */ - page_no = trx_rseg_header_create(TRX_SYS_SPACE, 0, ULINT_MAX, &slot_no, - mtr); - ut_a(slot_no == TRX_SYS_SYSTEM_RSEG_ID); - ut_a(page_no != FIL_NULL); - - mutex_exit(&kernel_mutex); -} - -/*****************************************************************//** -Creates and initializes the central memory structures for the transaction -system. This is called when the database is started. */ -UNIV_INTERN -void -trx_sys_init_at_db_start(void) -/*==========================*/ -{ - trx_sysf_t* sys_header; - ib_int64_t rows_to_undo = 0; - const char* unit = ""; - trx_t* trx; - mtr_t mtr; - - mtr_start(&mtr); - - ut_ad(trx_sys == NULL); - - mutex_enter(&kernel_mutex); - - trx_sys = mem_alloc(sizeof(trx_sys_t)); - - sys_header = trx_sysf_get(&mtr); - - trx_rseg_list_and_array_init(sys_header, &mtr); - - trx_sys->latest_rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - - /* VERY important: after the database is started, max_trx_id value is - divisible by TRX_SYS_TRX_ID_WRITE_MARGIN, and the 'if' in - trx_sys_get_new_trx_id will evaluate to TRUE when the function - is first time called, and the value for trx id will be written - to the disk-based header! Thus trx id values will not overlap when - the database is repeatedly started! */ - - trx_sys->max_trx_id = ut_dulint_add( - ut_dulint_align_up(mtr_read_dulint( - sys_header - + TRX_SYS_TRX_ID_STORE, &mtr), - TRX_SYS_TRX_ID_WRITE_MARGIN), - 2 * TRX_SYS_TRX_ID_WRITE_MARGIN); - - UT_LIST_INIT(trx_sys->mysql_trx_list); - trx_dummy_sess = sess_open(); - trx_lists_init_at_db_start(); - - if (UT_LIST_GET_LEN(trx_sys->trx_list) > 0) { - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - for (;;) { - - if ( trx->conc_state != TRX_PREPARED) { - rows_to_undo += ut_conv_dulint_to_longlong( - trx->undo_no); - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - - if (!trx) { - break; - } - } - - if (rows_to_undo > 1000000000) { - unit = "M"; - rows_to_undo = rows_to_undo / 1000000; - } - - fprintf(stderr, - "InnoDB: %lu transaction(s) which must be" - " rolled back or cleaned up\n" - "InnoDB: in total %lu%s row operations to undo\n", - (ulong) UT_LIST_GET_LEN(trx_sys->trx_list), - (ulong) rows_to_undo, unit); - - fprintf(stderr, "InnoDB: Trx id counter is " TRX_ID_FMT "\n", - TRX_ID_PREP_PRINTF(trx_sys->max_trx_id)); - } - - UT_LIST_INIT(trx_sys->view_list); - - trx_purge_sys_create(); - - mutex_exit(&kernel_mutex); - - mtr_commit(&mtr); -} - -/*****************************************************************//** -Creates and initializes the transaction system at the database creation. */ -UNIV_INTERN -void -trx_sys_create(void) -/*================*/ -{ - mtr_t mtr; - - mtr_start(&mtr); - - trx_sysf_create(&mtr); - - mtr_commit(&mtr); - - trx_sys_init_at_db_start(); -} - -/*****************************************************************//** -Update the file format tag. -@return always TRUE */ -static -ibool -trx_sys_file_format_max_write( -/*==========================*/ - ulint format_id, /*!< in: file format id */ - const char** name) /*!< out: max file format name, can - be NULL */ -{ - mtr_t mtr; - byte* ptr; - buf_block_t* block; - ulint tag_value_low; - - mtr_start(&mtr); - - block = buf_page_get( - TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); - - file_format_max.id = format_id; - file_format_max.name = trx_sys_file_format_id_to_name(format_id); - - ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; - tag_value_low = format_id + TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; - - if (name) { - *name = file_format_max.name; - } - - mlog_write_dulint( - ptr, - ut_dulint_create(TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH, - tag_value_low), - &mtr); - - mtr_commit(&mtr); - - return(TRUE); -} - -/*****************************************************************//** -Read the file format tag. -@return the file format or ULINT_UNDEFINED if not set. */ -static -ulint -trx_sys_file_format_max_read(void) -/*==============================*/ -{ - mtr_t mtr; - const byte* ptr; - const buf_block_t* block; - ulint format_id; - dulint file_format_id; - - /* Since this is called during the startup phase it's safe to - read the value without a covering mutex. */ - mtr_start(&mtr); - - block = buf_page_get( - TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, RW_X_LATCH, &mtr); - - ptr = buf_block_get_frame(block) + TRX_SYS_FILE_FORMAT_TAG; - file_format_id = mach_read_from_8(ptr); - - mtr_commit(&mtr); - - format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; - - if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH - || format_id >= FILE_FORMAT_NAME_N) { - - /* Either it has never been tagged, or garbage in it. */ - return(ULINT_UNDEFINED); - } - - return(format_id); -} - -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the name */ -UNIV_INTERN -const char* -trx_sys_file_format_id_to_name( -/*===========================*/ - const ulint id) /*!< in: id of the file format */ -{ - ut_a(id < FILE_FORMAT_NAME_N); - - return(file_format_name_map[id]); -} - -/*****************************************************************//** -Check for the max file format tag stored on disk. Note: If max_format_id -is == DICT_TF_FORMAT_MAX + 1 then we only print a warning. -@return DB_SUCCESS or error code */ -UNIV_INTERN -ulint -trx_sys_file_format_max_check( -/*==========================*/ - ulint max_format_id) /*!< in: max format id to check */ -{ - ulint format_id; - - /* Check the file format in the tablespace. Do not try to - recover if the file format is not supported by the engine - unless forced by the user. */ - format_id = trx_sys_file_format_max_read(); - if (format_id == ULINT_UNDEFINED) { - /* Format ID was not set. Set it to minimum possible - value. */ - format_id = DICT_TF_FORMAT_51; - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: highest supported file format is %s.\n", - trx_sys_file_format_id_to_name(DICT_TF_FORMAT_MAX)); - - if (format_id > DICT_TF_FORMAT_MAX) { - - ut_a(format_id < FILE_FORMAT_NAME_N); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: %s: the system tablespace is in a file " - "format that this version doesn't support - %s\n", - ((max_format_id <= DICT_TF_FORMAT_MAX) - ? "Error" : "Warning"), - trx_sys_file_format_id_to_name(format_id)); - - if (max_format_id <= DICT_TF_FORMAT_MAX) { - return(DB_ERROR); - } - } - - format_id = (format_id > max_format_id) ? format_id : max_format_id; - - /* We don't need a mutex here, as this function should only - be called once at start up. */ - file_format_max.id = format_id; - file_format_max.name = trx_sys_file_format_id_to_name(format_id); - - return(DB_SUCCESS); -} - -/*****************************************************************//** -Set the file format id unconditionally except if it's already the -same value. -@return TRUE if value updated */ -UNIV_INTERN -ibool -trx_sys_file_format_max_set( -/*========================*/ - ulint format_id, /*!< in: file format id */ - const char** name) /*!< out: max file format name or - NULL if not needed. */ -{ - ibool ret = FALSE; - - ut_a(format_id <= DICT_TF_FORMAT_MAX); - - mutex_enter(&file_format_max.mutex); - - /* Only update if not already same value. */ - if (format_id != file_format_max.id) { - - ret = trx_sys_file_format_max_write(format_id, name); - } - - mutex_exit(&file_format_max.mutex); - - return(ret); -} - -/********************************************************************//** -Tags the system table space with minimum format id if it has not been -tagged yet. -WARNING: This function is only called during the startup and AFTER the -redo log application during recovery has finished. */ -UNIV_INTERN -void -trx_sys_file_format_tag_init(void) -/*==============================*/ -{ - ulint format_id; - - format_id = trx_sys_file_format_max_read(); - - /* If format_id is not set then set it to the minimum. */ - if (format_id == ULINT_UNDEFINED) { - trx_sys_file_format_max_set(DICT_TF_FORMAT_51, NULL); - } -} - -/********************************************************************//** -Update the file format tag in the system tablespace only if the given -format id is greater than the known max id. -@return TRUE if format_id was bigger than the known max id */ -UNIV_INTERN -ibool -trx_sys_file_format_max_upgrade( -/*============================*/ - const char** name, /*!< out: max file format name */ - ulint format_id) /*!< in: file format identifier */ -{ - ibool ret = FALSE; - - ut_a(name); - ut_a(file_format_max.name != NULL); - ut_a(format_id <= DICT_TF_FORMAT_MAX); - - mutex_enter(&file_format_max.mutex); - - if (format_id > file_format_max.id) { - - ret = trx_sys_file_format_max_write(format_id, name); - } - - mutex_exit(&file_format_max.mutex); - - return(ret); -} - -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the max format name */ -UNIV_INTERN -const char* -trx_sys_file_format_max_get(void) -/*=============================*/ -{ - return(file_format_max.name); -} - -/*****************************************************************//** -Initializes the tablespace tag system. */ -UNIV_INTERN -void -trx_sys_file_format_init(void) -/*==========================*/ -{ - mutex_create(&file_format_max.mutex, SYNC_FILE_FORMAT_TAG); - - /* We don't need a mutex here, as this function should only - be called once at start up. */ - file_format_max.id = DICT_TF_FORMAT_51; - - file_format_max.name = trx_sys_file_format_id_to_name( - file_format_max.id); -} - -/*****************************************************************//** -Closes the tablespace tag system. */ -UNIV_INTERN -void -trx_sys_file_format_close(void) -/*===========================*/ -{ - /* Does nothing at the moment */ -} -#else /* !UNIV_HOTBACKUP */ -/*****************************************************************//** -Prints to stderr the MySQL binlog info in the system header if the -magic number shows it valid. */ -UNIV_INTERN -void -trx_sys_print_mysql_binlog_offset_from_page( -/*========================================*/ - const byte* page) /*!< in: buffer containing the trx - system header page, i.e., page number - TRX_SYS_PAGE_NO in the tablespace */ -{ - const trx_sysf_t* sys_header; - - sys_header = page + TRX_SYS; - - if (mach_read_from_4(sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_MAGIC_N_FLD) - == TRX_SYS_MYSQL_LOG_MAGIC_N) { - - fprintf(stderr, - "ibbackup: Last MySQL binlog file position %lu %lu," - " file name %s\n", - (ulong) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_HIGH), - (ulong) mach_read_from_4( - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_OFFSET_LOW), - sys_header + TRX_SYS_MYSQL_LOG_INFO - + TRX_SYS_MYSQL_LOG_NAME); - } -} - - -/* THESE ARE COPIED FROM NON-HOTBACKUP PART OF THE INNODB SOURCE TREE - (This code duplicaton should be fixed at some point!) -*/ - -#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */ -/* The offset of the file format tag on the trx system header page */ -#define TRX_SYS_FILE_FORMAT_TAG (UNIV_PAGE_SIZE - 16) -/* We use these random constants to reduce the probability of reading -garbage (from previous versions) that maps to an actual format id. We -use these as bit masks at the time of reading and writing from/to disk. */ -#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW 3645922177UL -#define TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH 2745987765UL - -/* END OF COPIED DEFINITIONS */ - - -/*****************************************************************//** -Reads the file format id from the first system table space file. -Even if the call succeeds and returns TRUE, the returned format id -may be ULINT_UNDEFINED signalling that the format id was not present -in the data file. -@return TRUE if call succeeds */ -UNIV_INTERN -ibool -trx_sys_read_file_format_id( -/*========================*/ - const char *pathname, /*!< in: pathname of the first system - table space file */ - ulint *format_id) /*!< out: file format of the system table - space */ -{ - os_file_t file; - ibool success; - byte buf[UNIV_PAGE_SIZE * 2]; - page_t* page = ut_align(buf, UNIV_PAGE_SIZE); - const byte* ptr; - dulint file_format_id; - - *format_id = ULINT_UNDEFINED; - - file = os_file_create_simple_no_error_handling( - pathname, - OS_FILE_OPEN, - OS_FILE_READ_ONLY, - &success - ); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fprintf(stderr, -" ibbackup: Error: trying to read system tablespace file format,\n" -" ibbackup: but could not open the tablespace file %s!\n", - pathname - ); - return(FALSE); - } - - /* Read the page on which file format is stored */ - - success = os_file_read_no_error_handling( - file, page, TRX_SYS_PAGE_NO * UNIV_PAGE_SIZE, 0, UNIV_PAGE_SIZE - ); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fprintf(stderr, -" ibbackup: Error: trying to read system table space file format,\n" -" ibbackup: but failed to read the tablespace file %s!\n", - pathname - ); - os_file_close(file); - return(FALSE); - } - os_file_close(file); - - /* get the file format from the page */ - ptr = page + TRX_SYS_FILE_FORMAT_TAG; - file_format_id = mach_read_from_8(ptr); - - *format_id = file_format_id.low - TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_LOW; - - if (file_format_id.high != TRX_SYS_FILE_FORMAT_TAG_MAGIC_N_HIGH - || *format_id >= FILE_FORMAT_NAME_N) { - - /* Either it has never been tagged, or garbage in it. */ - *format_id = ULINT_UNDEFINED; - return(TRUE); - } - - return(TRUE); -} - - -/*****************************************************************//** -Reads the file format id from the given per-table data file. -@return TRUE if call succeeds */ -UNIV_INTERN -ibool -trx_sys_read_pertable_file_format_id( -/*=================================*/ - const char *pathname, /*!< in: pathname of a per-table - datafile */ - ulint *format_id) /*!< out: file format of the per-table - data file */ -{ - os_file_t file; - ibool success; - byte buf[UNIV_PAGE_SIZE * 2]; - page_t* page = ut_align(buf, UNIV_PAGE_SIZE); - const byte* ptr; - ib_uint32_t flags; - - *format_id = ULINT_UNDEFINED; - - file = os_file_create_simple_no_error_handling( - pathname, - OS_FILE_OPEN, - OS_FILE_READ_ONLY, - &success - ); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fprintf(stderr, -" ibbackup: Error: trying to read per-table tablespace format,\n" -" ibbackup: but could not open the tablespace file %s!\n", - pathname - ); - return(FALSE); - } - - /* Read the first page of the per-table datafile */ - - success = os_file_read_no_error_handling( - file, page, 0, 0, UNIV_PAGE_SIZE - ); - if (!success) { - /* The following call prints an error message */ - os_file_get_last_error(TRUE); - - ut_print_timestamp(stderr); - - fprintf(stderr, -" ibbackup: Error: trying to per-table data file format,\n" -" ibbackup: but failed to read the tablespace file %s!\n", - pathname - ); - os_file_close(file); - return(FALSE); - } - os_file_close(file); - - /* get the file format from the page */ - ptr = page + 54; - flags = mach_read_from_4(ptr); - if (flags == 0) { - /* file format is Antelope */ - *format_id = 0; - return (TRUE); - } else if (flags & 1) { - /* tablespace flags are ok */ - *format_id = (flags / 32) % 128; - return (TRUE); - } else { - /* bad tablespace flags */ - return(FALSE); - } -} - - -/*****************************************************************//** -Get the name representation of the file format from its id. -@return pointer to the name */ -UNIV_INTERN -const char* -trx_sys_file_format_id_to_name( -/*===========================*/ - const ulint id) /*!< in: id of the file format */ -{ - if (!(id < FILE_FORMAT_NAME_N)) { - /* unknown id */ - return ("Unknown"); - } - - return(file_format_name_map[id]); -} - -#endif /* !UNIV_HOTBACKUP */ - -#ifndef UNIV_HOTBACKUP -/********************************************************************* -Shutdown/Close the transaction system. */ -UNIV_INTERN -void -trx_sys_close(void) -/*===============*/ -{ - trx_rseg_t* rseg; - read_view_t* view; - - ut_ad(trx_sys != NULL); - - /* Check that all read views are closed except read view owned - by a purge. */ - - if (UT_LIST_GET_LEN(trx_sys->view_list) > 1) { - fprintf(stderr, - "InnoDB: Error: all read views were not closed" - " before shutdown:\n" - "InnoDB: %lu read views open \n", - UT_LIST_GET_LEN(trx_sys->view_list) - 1); - } - - sess_close(trx_dummy_sess); - trx_dummy_sess = NULL; - - trx_purge_sys_close(); - - mutex_enter(&kernel_mutex); - - /* Free the double write data structures. */ - ut_a(trx_doublewrite != NULL); - ut_free(trx_doublewrite->write_buf_unaligned); - trx_doublewrite->write_buf_unaligned = NULL; - - mem_free(trx_doublewrite->buf_block_arr); - trx_doublewrite->buf_block_arr = NULL; - - mutex_free(&trx_doublewrite->mutex); - mem_free(trx_doublewrite); - trx_doublewrite = NULL; - - /* There can't be any active transactions. */ - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - - while (rseg != NULL) { - trx_rseg_t* prev_rseg = rseg; - - rseg = UT_LIST_GET_NEXT(rseg_list, prev_rseg); - UT_LIST_REMOVE(rseg_list, trx_sys->rseg_list, prev_rseg); - - trx_rseg_mem_free(prev_rseg); - } - - view = UT_LIST_GET_FIRST(trx_sys->view_list); - - while (view != NULL) { - read_view_t* prev_view = view; - - view = UT_LIST_GET_NEXT(view_list, prev_view); - - /* Views are allocated from the trx_sys->global_read_view_heap. - So, we simply remove the element here. */ - UT_LIST_REMOVE(view_list, trx_sys->view_list, prev_view); - } - - ut_a(UT_LIST_GET_LEN(trx_sys->trx_list) == 0); - ut_a(UT_LIST_GET_LEN(trx_sys->rseg_list) == 0); - ut_a(UT_LIST_GET_LEN(trx_sys->view_list) == 0); - ut_a(UT_LIST_GET_LEN(trx_sys->mysql_trx_list) == 0); - - mem_free(trx_sys); - - trx_sys = NULL; - mutex_exit(&kernel_mutex); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/trx/trx0trx.c b/perfschema/trx/trx0trx.c deleted file mode 100644 index e8c98e22918..00000000000 --- a/perfschema/trx/trx0trx.c +++ /dev/null @@ -1,2062 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0trx.c -The transaction - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0trx.h" - -#ifdef UNIV_NONINL -#include "trx0trx.ic" -#endif - -#include "trx0undo.h" -#include "trx0rseg.h" -#include "log0log.h" -#include "que0que.h" -#include "lock0lock.h" -#include "trx0roll.h" -#include "usr0sess.h" -#include "read0read.h" -#include "srv0srv.h" -#include "thr0loc.h" -#include "btr0sea.h" -#include "os0proc.h" -#include "trx0xa.h" -#include "ha_prototypes.h" - -/** Dummy session used currently in MySQL interface */ -UNIV_INTERN sess_t* trx_dummy_sess = NULL; - -/** Number of transactions currently allocated for MySQL: protected by -the kernel mutex */ -UNIV_INTERN ulint trx_n_mysql_transactions = 0; - -/*************************************************************//** -Set detailed error message for the transaction. */ -UNIV_INTERN -void -trx_set_detailed_error( -/*===================*/ - trx_t* trx, /*!< in: transaction struct */ - const char* msg) /*!< in: detailed error message */ -{ - ut_strlcpy(trx->detailed_error, msg, sizeof(trx->detailed_error)); -} - -/*************************************************************//** -Set detailed error message for the transaction from a file. Note that the -file is rewinded before reading from it. */ -UNIV_INTERN -void -trx_set_detailed_error_from_file( -/*=============================*/ - trx_t* trx, /*!< in: transaction struct */ - FILE* file) /*!< in: file to read message from */ -{ - os_file_read_string(file, trx->detailed_error, - sizeof(trx->detailed_error)); -} - -/****************************************************************//** -Creates and initializes a transaction object. -@return own: the transaction */ -UNIV_INTERN -trx_t* -trx_create( -/*=======*/ - sess_t* sess) /*!< in: session */ -{ - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(sess); - - trx = mem_alloc(sizeof(trx_t)); - - trx->magic_n = TRX_MAGIC_N; - - trx->op_info = ""; - - trx->is_purge = 0; - trx->is_recovered = 0; - trx->conc_state = TRX_NOT_STARTED; - trx->start_time = time(NULL); - - trx->isolation_level = TRX_ISO_REPEATABLE_READ; - - trx->id = ut_dulint_zero; - trx->no = ut_dulint_max; - - trx->support_xa = TRUE; - - trx->check_foreigns = TRUE; - trx->check_unique_secondary = TRUE; - - trx->flush_log_later = FALSE; - trx->must_flush_log_later = FALSE; - - trx->dict_operation = TRX_DICT_OP_NONE; - trx->table_id = ut_dulint_zero; - - trx->mysql_thd = NULL; - trx->mysql_query_str = NULL; - trx->active_trans = 0; - trx->duplicates = 0; - - trx->n_mysql_tables_in_use = 0; - trx->mysql_n_tables_locked = 0; - - trx->mysql_log_file_name = NULL; - trx->mysql_log_offset = 0; - - mutex_create(&trx->undo_mutex, SYNC_TRX_UNDO); - - trx->rseg = NULL; - - trx->undo_no = ut_dulint_zero; - trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; - trx->insert_undo = NULL; - trx->update_undo = NULL; - trx->undo_no_arr = NULL; - - trx->error_state = DB_SUCCESS; - trx->error_key_num = 0; - trx->detailed_error[0] = '\0'; - - trx->sess = sess; - trx->que_state = TRX_QUE_RUNNING; - trx->n_active_thrs = 0; - - trx->handling_signals = FALSE; - - UT_LIST_INIT(trx->signals); - UT_LIST_INIT(trx->reply_signals); - - trx->graph = NULL; - - trx->wait_lock = NULL; - trx->was_chosen_as_deadlock_victim = FALSE; - UT_LIST_INIT(trx->wait_thrs); - - trx->lock_heap = mem_heap_create_in_buffer(256); - UT_LIST_INIT(trx->trx_locks); - - UT_LIST_INIT(trx->trx_savepoints); - - trx->dict_operation_lock_mode = 0; - trx->has_search_latch = FALSE; - trx->search_latch_timeout = BTR_SEA_TIMEOUT; - - trx->declared_to_be_inside_innodb = FALSE; - trx->n_tickets_to_enter_innodb = 0; - - trx->global_read_view_heap = mem_heap_create(256); - trx->global_read_view = NULL; - trx->read_view = NULL; - - /* Set X/Open XA transaction identification to NULL */ - memset(&trx->xid, 0, sizeof(trx->xid)); - trx->xid.formatID = -1; - - trx->n_autoinc_rows = 0; - - /* Remember to free the vector explicitly. */ - trx->autoinc_locks = ib_vector_create( - mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); - - return(trx); -} - -/********************************************************************//** -Creates a transaction object for MySQL. -@return own: transaction object */ -UNIV_INTERN -trx_t* -trx_allocate_for_mysql(void) -/*========================*/ -{ - trx_t* trx; - - mutex_enter(&kernel_mutex); - - trx = trx_create(trx_dummy_sess); - - trx_n_mysql_transactions++; - - UT_LIST_ADD_FIRST(mysql_trx_list, trx_sys->mysql_trx_list, trx); - - mutex_exit(&kernel_mutex); - - trx->mysql_thread_id = os_thread_get_curr_id(); - - trx->mysql_process_no = os_proc_get_number(); - - return(trx); -} - -/********************************************************************//** -Creates a transaction object for background operations by the master thread. -@return own: transaction object */ -UNIV_INTERN -trx_t* -trx_allocate_for_background(void) -/*=============================*/ -{ - trx_t* trx; - - mutex_enter(&kernel_mutex); - - trx = trx_create(trx_dummy_sess); - - mutex_exit(&kernel_mutex); - - return(trx); -} - -/********************************************************************//** -Releases the search latch if trx has reserved it. */ -UNIV_INTERN -void -trx_search_latch_release_if_reserved( -/*=================================*/ - trx_t* trx) /*!< in: transaction */ -{ - if (trx->has_search_latch) { - rw_lock_s_unlock(&btr_search_latch); - - trx->has_search_latch = FALSE; - } -} - -/********************************************************************//** -Frees a transaction object. */ -UNIV_INTERN -void -trx_free( -/*=====*/ - trx_t* trx) /*!< in, own: trx object */ -{ - ut_ad(mutex_own(&kernel_mutex)); - - if (trx->declared_to_be_inside_innodb) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: Freeing a trx which is declared" - " to be processing\n" - "InnoDB: inside InnoDB.\n", stderr); - trx_print(stderr, trx, 600); - putc('\n', stderr); - - /* This is an error but not a fatal error. We must keep - the counters like srv_conc_n_threads accurate. */ - srv_conc_force_exit_innodb(trx); - } - - if (trx->n_mysql_tables_in_use != 0 - || trx->mysql_n_tables_locked != 0) { - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: MySQL is freeing a thd\n" - "InnoDB: though trx->n_mysql_tables_in_use is %lu\n" - "InnoDB: and trx->mysql_n_tables_locked is %lu.\n", - (ulong)trx->n_mysql_tables_in_use, - (ulong)trx->mysql_n_tables_locked); - - trx_print(stderr, trx, 600); - - ut_print_buf(stderr, trx, sizeof(trx_t)); - putc('\n', stderr); - } - - ut_a(trx->magic_n == TRX_MAGIC_N); - - trx->magic_n = 11112222; - - ut_a(trx->conc_state == TRX_NOT_STARTED); - - mutex_free(&(trx->undo_mutex)); - - ut_a(trx->insert_undo == NULL); - ut_a(trx->update_undo == NULL); - - if (trx->undo_no_arr) { - trx_undo_arr_free(trx->undo_no_arr); - } - - ut_a(UT_LIST_GET_LEN(trx->signals) == 0); - ut_a(UT_LIST_GET_LEN(trx->reply_signals) == 0); - - ut_a(trx->wait_lock == NULL); - ut_a(UT_LIST_GET_LEN(trx->wait_thrs) == 0); - - ut_a(!trx->has_search_latch); - - ut_a(trx->dict_operation_lock_mode == 0); - - if (trx->lock_heap) { - mem_heap_free(trx->lock_heap); - } - - ut_a(UT_LIST_GET_LEN(trx->trx_locks) == 0); - - if (trx->global_read_view_heap) { - mem_heap_free(trx->global_read_view_heap); - } - - trx->global_read_view = NULL; - - ut_a(trx->read_view == NULL); - - ut_a(ib_vector_is_empty(trx->autoinc_locks)); - /* We allocated a dedicated heap for the vector. */ - ib_vector_free(trx->autoinc_locks); - - mem_free(trx); -} - -/********************************************************************//** -Frees a transaction object for MySQL. */ -UNIV_INTERN -void -trx_free_for_mysql( -/*===============*/ - trx_t* trx) /*!< in, own: trx object */ -{ - mutex_enter(&kernel_mutex); - - UT_LIST_REMOVE(mysql_trx_list, trx_sys->mysql_trx_list, trx); - - trx_free(trx); - - ut_a(trx_n_mysql_transactions > 0); - - trx_n_mysql_transactions--; - - mutex_exit(&kernel_mutex); -} - -/********************************************************************//** -Frees a transaction object of a background operation of the master thread. */ -UNIV_INTERN -void -trx_free_for_background( -/*====================*/ - trx_t* trx) /*!< in, own: trx object */ -{ - mutex_enter(&kernel_mutex); - - trx_free(trx); - - mutex_exit(&kernel_mutex); -} - -/****************************************************************//** -Inserts the trx handle in the trx system trx list in the right position. -The list is sorted on the trx id so that the biggest id is at the list -start. This function is used at the database startup to insert incomplete -transactions to the list. */ -static -void -trx_list_insert_ordered( -/*====================*/ - trx_t* trx) /*!< in: trx handle */ -{ - trx_t* trx2; - - ut_ad(mutex_own(&kernel_mutex)); - - trx2 = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx2 != NULL) { - if (ut_dulint_cmp(trx->id, trx2->id) >= 0) { - - ut_ad(ut_dulint_cmp(trx->id, trx2->id) == 1); - break; - } - trx2 = UT_LIST_GET_NEXT(trx_list, trx2); - } - - if (trx2 != NULL) { - trx2 = UT_LIST_GET_PREV(trx_list, trx2); - - if (trx2 == NULL) { - UT_LIST_ADD_FIRST(trx_list, trx_sys->trx_list, trx); - } else { - UT_LIST_INSERT_AFTER(trx_list, trx_sys->trx_list, - trx2, trx); - } - } else { - UT_LIST_ADD_LAST(trx_list, trx_sys->trx_list, trx); - } -} - -/****************************************************************//** -Creates trx objects for transactions and initializes the trx list of -trx_sys at database start. Rollback segment and undo log lists must -already exist when this function is called, because the lists of -transactions to be rolled back or cleaned up are built based on the -undo log lists. */ -UNIV_INTERN -void -trx_lists_init_at_db_start(void) -/*============================*/ -{ - trx_rseg_t* rseg; - trx_undo_t* undo; - trx_t* trx; - - ut_ad(mutex_own(&kernel_mutex)); - UT_LIST_INIT(trx_sys->trx_list); - - /* Look from the rollback segments if there exist undo logs for - transactions */ - - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - - while (rseg != NULL) { - undo = UT_LIST_GET_FIRST(rseg->insert_undo_list); - - while (undo != NULL) { - - trx = trx_create(trx_dummy_sess); - - trx->is_recovered = TRUE; - trx->id = undo->trx_id; - trx->xid = undo->xid; - trx->insert_undo = undo; - trx->rseg = rseg; - - if (undo->state != TRX_UNDO_ACTIVE) { - - /* Prepared transactions are left in - the prepared state waiting for a - commit or abort decision from MySQL */ - - if (undo->state == TRX_UNDO_PREPARED) { - - fprintf(stderr, - "InnoDB: Transaction " - TRX_ID_FMT - " was in the" - " XA prepared state.\n", - TRX_ID_PREP_PRINTF(trx->id)); - - if (srv_force_recovery == 0) { - - trx->conc_state = TRX_PREPARED; - } else { - fprintf(stderr, - "InnoDB: Since" - " innodb_force_recovery" - " > 0, we will" - " rollback it" - " anyway.\n"); - - trx->conc_state = TRX_ACTIVE; - } - } else { - trx->conc_state - = TRX_COMMITTED_IN_MEMORY; - } - - /* We give a dummy value for the trx no; - this should have no relevance since purge - is not interested in committed transaction - numbers, unless they are in the history - list, in which case it looks the number - from the disk based undo log structure */ - - trx->no = trx->id; - } else { - trx->conc_state = TRX_ACTIVE; - - /* A running transaction always has the number - field inited to ut_dulint_max */ - - trx->no = ut_dulint_max; - } - - if (undo->dict_operation) { - trx_set_dict_operation( - trx, TRX_DICT_OP_TABLE); - trx->table_id = undo->table_id; - } - - if (!undo->empty) { - trx->undo_no = ut_dulint_add(undo->top_undo_no, - 1); - } - - trx_list_insert_ordered(trx); - - undo = UT_LIST_GET_NEXT(undo_list, undo); - } - - undo = UT_LIST_GET_FIRST(rseg->update_undo_list); - - while (undo != NULL) { - trx = trx_get_on_id(undo->trx_id); - - if (NULL == trx) { - trx = trx_create(trx_dummy_sess); - - trx->is_recovered = TRUE; - trx->id = undo->trx_id; - trx->xid = undo->xid; - - if (undo->state != TRX_UNDO_ACTIVE) { - - /* Prepared transactions are left in - the prepared state waiting for a - commit or abort decision from MySQL */ - - if (undo->state == TRX_UNDO_PREPARED) { - fprintf(stderr, - "InnoDB: Transaction " - TRX_ID_FMT " was in the" - " XA prepared state.\n", - TRX_ID_PREP_PRINTF( - trx->id)); - - if (srv_force_recovery == 0) { - - trx->conc_state - = TRX_PREPARED; - } else { - fprintf(stderr, - "InnoDB: Since" - " innodb_force_recovery" - " > 0, we will" - " rollback it" - " anyway.\n"); - - trx->conc_state - = TRX_ACTIVE; - } - } else { - trx->conc_state - = TRX_COMMITTED_IN_MEMORY; - } - - /* We give a dummy value for the trx - number */ - - trx->no = trx->id; - } else { - trx->conc_state = TRX_ACTIVE; - - /* A running transaction always has - the number field inited to - ut_dulint_max */ - - trx->no = ut_dulint_max; - } - - trx->rseg = rseg; - trx_list_insert_ordered(trx); - - if (undo->dict_operation) { - trx_set_dict_operation( - trx, TRX_DICT_OP_TABLE); - trx->table_id = undo->table_id; - } - } - - trx->update_undo = undo; - - if ((!undo->empty) - && (ut_dulint_cmp(undo->top_undo_no, - trx->undo_no) >= 0)) { - - trx->undo_no = ut_dulint_add(undo->top_undo_no, - 1); - } - - undo = UT_LIST_GET_NEXT(undo_list, undo); - } - - rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - } -} - -/******************************************************************//** -Assigns a rollback segment to a transaction in a round-robin fashion. -Skips the SYSTEM rollback segment if another is available. -@return assigned rollback segment id */ -UNIV_INLINE -ulint -trx_assign_rseg(void) -/*=================*/ -{ - trx_rseg_t* rseg = trx_sys->latest_rseg; - - ut_ad(mutex_own(&kernel_mutex)); -loop: - /* Get next rseg in a round-robin fashion */ - - rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - - if (rseg == NULL) { - rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - } - - /* If it is the SYSTEM rollback segment, and there exist others, skip - it */ - - if ((rseg->id == TRX_SYS_SYSTEM_RSEG_ID) - && (UT_LIST_GET_LEN(trx_sys->rseg_list) > 1)) { - goto loop; - } - - trx_sys->latest_rseg = rseg; - - return(rseg->id); -} - -/****************************************************************//** -Starts a new transaction. -@return TRUE */ -UNIV_INTERN -ibool -trx_start_low( -/*==========*/ - trx_t* trx, /*!< in: transaction */ - ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED - is passed, the system chooses the rollback segment - automatically in a round-robin fashion */ -{ - trx_rseg_t* rseg; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(trx->rseg == NULL); - - if (trx->is_purge) { - trx->id = ut_dulint_zero; - trx->conc_state = TRX_ACTIVE; - trx->start_time = time(NULL); - - return(TRUE); - } - - ut_ad(trx->conc_state != TRX_ACTIVE); - - if (rseg_id == ULINT_UNDEFINED) { - - rseg_id = trx_assign_rseg(); - } - - rseg = trx_sys_get_nth_rseg(trx_sys, rseg_id); - - trx->id = trx_sys_get_new_trx_id(); - - /* The initial value for trx->no: ut_dulint_max is used in - read_view_open_now: */ - - trx->no = ut_dulint_max; - - trx->rseg = rseg; - - trx->conc_state = TRX_ACTIVE; - trx->start_time = time(NULL); - - UT_LIST_ADD_FIRST(trx_list, trx_sys->trx_list, trx); - - return(TRUE); -} - -/****************************************************************//** -Starts a new transaction. -@return TRUE */ -UNIV_INTERN -ibool -trx_start( -/*======*/ - trx_t* trx, /*!< in: transaction */ - ulint rseg_id)/*!< in: rollback segment id; if ULINT_UNDEFINED - is passed, the system chooses the rollback segment - automatically in a round-robin fashion */ -{ - ibool ret; - - /* Update the info whether we should skip XA steps that eat CPU time - For the duration of the transaction trx->support_xa is not reread - from thd so any changes in the value take effect in the next - transaction. This is to avoid a scenario where some undo - generated by a transaction, has XA stuff, and other undo, - generated by the same transaction, doesn't. */ - trx->support_xa = thd_supports_xa(trx->mysql_thd); - - mutex_enter(&kernel_mutex); - - ret = trx_start_low(trx, rseg_id); - - mutex_exit(&kernel_mutex); - - return(ret); -} - -/****************************************************************//** -Commits a transaction. */ -UNIV_INTERN -void -trx_commit_off_kernel( -/*==================*/ - trx_t* trx) /*!< in: transaction */ -{ - page_t* update_hdr_page; - ib_uint64_t lsn = 0; - trx_rseg_t* rseg; - trx_undo_t* undo; - mtr_t mtr; - - ut_ad(mutex_own(&kernel_mutex)); - - trx->must_flush_log_later = FALSE; - - rseg = trx->rseg; - - if (trx->insert_undo != NULL || trx->update_undo != NULL) { - - mutex_exit(&kernel_mutex); - - mtr_start(&mtr); - - /* Change the undo log segment states from TRX_UNDO_ACTIVE - to some other state: these modifications to the file data - structure define the transaction as committed in the file - based world, at the serialization point of the log sequence - number lsn obtained below. */ - - mutex_enter(&(rseg->mutex)); - - if (trx->insert_undo != NULL) { - trx_undo_set_state_at_finish( - rseg, trx, trx->insert_undo, &mtr); - } - - undo = trx->update_undo; - - if (undo) { - mutex_enter(&kernel_mutex); - trx->no = trx_sys_get_new_trx_no(); - - mutex_exit(&kernel_mutex); - - /* It is not necessary to obtain trx->undo_mutex here - because only a single OS thread is allowed to do the - transaction commit for this transaction. */ - - update_hdr_page = trx_undo_set_state_at_finish( - rseg, trx, undo, &mtr); - - /* We have to do the cleanup for the update log while - holding the rseg mutex because update log headers - have to be put to the history list in the order of - the trx number. */ - - trx_undo_update_cleanup(trx, update_hdr_page, &mtr); - } - - mutex_exit(&(rseg->mutex)); - - /* Update the latest MySQL binlog name and offset info - in trx sys header if MySQL binlogging is on or the database - server is a MySQL replication slave */ - - if (trx->mysql_log_file_name - && trx->mysql_log_file_name[0] != '\0') { - trx_sys_update_mysql_binlog_offset( - trx->mysql_log_file_name, - trx->mysql_log_offset, - TRX_SYS_MYSQL_LOG_INFO, &mtr); - trx->mysql_log_file_name = NULL; - } - - /* The following call commits the mini-transaction, making the - whole transaction committed in the file-based world, at this - log sequence number. The transaction becomes 'durable' when - we write the log to disk, but in the logical sense the commit - in the file-based data structures (undo logs etc.) happens - here. - - NOTE that transaction numbers, which are assigned only to - transactions with an update undo log, do not necessarily come - in exactly the same order as commit lsn's, if the transactions - have different rollback segments. To get exactly the same - order we should hold the kernel mutex up to this point, - adding to the contention of the kernel mutex. However, if - a transaction T2 is able to see modifications made by - a transaction T1, T2 will always get a bigger transaction - number and a bigger commit lsn than T1. */ - - /*--------------*/ - mtr_commit(&mtr); - /*--------------*/ - lsn = mtr.end_lsn; - - mutex_enter(&kernel_mutex); - } - - ut_ad(trx->conc_state == TRX_ACTIVE - || trx->conc_state == TRX_PREPARED); - ut_ad(mutex_own(&kernel_mutex)); - - /* The following assignment makes the transaction committed in memory - and makes its changes to data visible to other transactions. - NOTE that there is a small discrepancy from the strict formal - visibility rules here: a human user of the database can see - modifications made by another transaction T even before the necessary - log segment has been flushed to the disk. If the database happens to - crash before the flush, the user has seen modifications from T which - will never be a committed transaction. However, any transaction T2 - which sees the modifications of the committing transaction T, and - which also itself makes modifications to the database, will get an lsn - larger than the committing transaction T. In the case where the log - flush fails, and T never gets committed, also T2 will never get - committed. */ - - /*--------------------------------------*/ - trx->conc_state = TRX_COMMITTED_IN_MEMORY; - /*--------------------------------------*/ - - /* If we release kernel_mutex below and we are still doing - recovery i.e.: back ground rollback thread is still active - then there is a chance that the rollback thread may see - this trx as COMMITTED_IN_MEMORY and goes adhead to clean it - up calling trx_cleanup_at_db_startup(). This can happen - in the case we are committing a trx here that is left in - PREPARED state during the crash. Note that commit of the - rollback of a PREPARED trx happens in the recovery thread - while the rollback of other transactions happen in the - background thread. To avoid this race we unconditionally - unset the is_recovered flag from the trx. */ - - trx->is_recovered = FALSE; - - lock_release_off_kernel(trx); - - if (trx->global_read_view) { - read_view_close(trx->global_read_view); - mem_heap_empty(trx->global_read_view_heap); - trx->global_read_view = NULL; - } - - trx->read_view = NULL; - - if (lsn) { - - mutex_exit(&kernel_mutex); - - if (trx->insert_undo != NULL) { - - trx_undo_insert_cleanup(trx); - } - - /* NOTE that we could possibly make a group commit more - efficient here: call os_thread_yield here to allow also other - trxs to come to commit! */ - - /*-------------------------------------*/ - - /* Depending on the my.cnf options, we may now write the log - buffer to the log files, making the transaction durable if - the OS does not crash. We may also flush the log files to - disk, making the transaction durable also at an OS crash or a - power outage. - - The idea in InnoDB's group commit is that a group of - transactions gather behind a trx doing a physical disk write - to log files, and when that physical write has been completed, - one of those transactions does a write which commits the whole - group. Note that this group commit will only bring benefit if - there are > 2 users in the database. Then at least 2 users can - gather behind one doing the physical log write to disk. - - If we are calling trx_commit() under prepare_commit_mutex, we - will delay possible log write and flush to a separate function - trx_commit_complete_for_mysql(), which is only called when the - thread has released the mutex. This is to make the - group commit algorithm to work. Otherwise, the prepare_commit - mutex would serialize all commits and prevent a group of - transactions from gathering. */ - - if (trx->flush_log_later) { - /* Do nothing yet */ - trx->must_flush_log_later = TRUE; - } else if (srv_flush_log_at_trx_commit == 0) { - /* Do nothing */ - } else if (srv_flush_log_at_trx_commit == 1) { - if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, - FALSE); - } else { - /* Write the log to the log files AND flush - them to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); - } - } else if (srv_flush_log_at_trx_commit == 2) { - - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); - } else { - ut_error; - } - - trx->commit_lsn = lsn; - - /*-------------------------------------*/ - - mutex_enter(&kernel_mutex); - } - - /* Free all savepoints */ - trx_roll_free_all_savepoints(trx); - - trx->conc_state = TRX_NOT_STARTED; - trx->rseg = NULL; - trx->undo_no = ut_dulint_zero; - trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; - trx->mysql_query_str = NULL; - - ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); - ut_ad(UT_LIST_GET_LEN(trx->trx_locks) == 0); - - UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); -} - -/****************************************************************//** -Cleans up a transaction at database startup. The cleanup is needed if -the transaction already got to the middle of a commit when the database -crashed, and we cannot roll it back. */ -UNIV_INTERN -void -trx_cleanup_at_db_startup( -/*======================*/ - trx_t* trx) /*!< in: transaction */ -{ - if (trx->insert_undo != NULL) { - - trx_undo_insert_cleanup(trx); - } - - trx->conc_state = TRX_NOT_STARTED; - trx->rseg = NULL; - trx->undo_no = ut_dulint_zero; - trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; - - UT_LIST_REMOVE(trx_list, trx_sys->trx_list, trx); -} - -/********************************************************************//** -Assigns a read view for a consistent read query. All the consistent reads -within the same transaction will get the same read view, which is created -when this function is first called for a new started transaction. -@return consistent read view */ -UNIV_INTERN -read_view_t* -trx_assign_read_view( -/*=================*/ - trx_t* trx) /*!< in: active transaction */ -{ - ut_ad(trx->conc_state == TRX_ACTIVE); - - if (trx->read_view) { - return(trx->read_view); - } - - mutex_enter(&kernel_mutex); - - if (!trx->read_view) { - trx->read_view = read_view_open_now( - trx->id, trx->global_read_view_heap); - trx->global_read_view = trx->read_view; - } - - mutex_exit(&kernel_mutex); - - return(trx->read_view); -} - -/****************************************************************//** -Commits a transaction. NOTE that the kernel mutex is temporarily released. */ -static -void -trx_handle_commit_sig_off_kernel( -/*=============================*/ - trx_t* trx, /*!< in: transaction */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -{ - trx_sig_t* sig; - trx_sig_t* next_sig; - - ut_ad(mutex_own(&kernel_mutex)); - - trx->que_state = TRX_QUE_COMMITTING; - - trx_commit_off_kernel(trx); - - ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); - - /* Remove all TRX_SIG_COMMIT signals from the signal queue and send - reply messages to them */ - - sig = UT_LIST_GET_FIRST(trx->signals); - - while (sig != NULL) { - next_sig = UT_LIST_GET_NEXT(signals, sig); - - if (sig->type == TRX_SIG_COMMIT) { - - trx_sig_reply(sig, next_thr); - trx_sig_remove(trx, sig); - } - - sig = next_sig; - } - - trx->que_state = TRX_QUE_RUNNING; -} - -/***********************************************************//** -The transaction must be in the TRX_QUE_LOCK_WAIT state. Puts it to -the TRX_QUE_RUNNING state and releases query threads which were -waiting for a lock in the wait_thrs list. */ -UNIV_INTERN -void -trx_end_lock_wait( -/*==============*/ - trx_t* trx) /*!< in: transaction */ -{ - que_thr_t* thr; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(trx->que_state == TRX_QUE_LOCK_WAIT); - - thr = UT_LIST_GET_FIRST(trx->wait_thrs); - - while (thr != NULL) { - que_thr_end_wait_no_next_thr(thr); - - UT_LIST_REMOVE(trx_thrs, trx->wait_thrs, thr); - - thr = UT_LIST_GET_FIRST(trx->wait_thrs); - } - - trx->que_state = TRX_QUE_RUNNING; -} - -/***********************************************************//** -Moves the query threads in the lock wait list to the SUSPENDED state and puts -the transaction to the TRX_QUE_RUNNING state. */ -static -void -trx_lock_wait_to_suspended( -/*=======================*/ - trx_t* trx) /*!< in: transaction in the TRX_QUE_LOCK_WAIT state */ -{ - que_thr_t* thr; - - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(trx->que_state == TRX_QUE_LOCK_WAIT); - - thr = UT_LIST_GET_FIRST(trx->wait_thrs); - - while (thr != NULL) { - thr->state = QUE_THR_SUSPENDED; - - UT_LIST_REMOVE(trx_thrs, trx->wait_thrs, thr); - - thr = UT_LIST_GET_FIRST(trx->wait_thrs); - } - - trx->que_state = TRX_QUE_RUNNING; -} - -/***********************************************************//** -Moves the query threads in the sig reply wait list of trx to the SUSPENDED -state. */ -static -void -trx_sig_reply_wait_to_suspended( -/*============================*/ - trx_t* trx) /*!< in: transaction */ -{ - trx_sig_t* sig; - que_thr_t* thr; - - ut_ad(mutex_own(&kernel_mutex)); - - sig = UT_LIST_GET_FIRST(trx->reply_signals); - - while (sig != NULL) { - thr = sig->receiver; - - ut_ad(thr->state == QUE_THR_SIG_REPLY_WAIT); - - thr->state = QUE_THR_SUSPENDED; - - sig->receiver = NULL; - - UT_LIST_REMOVE(reply_signals, trx->reply_signals, sig); - - sig = UT_LIST_GET_FIRST(trx->reply_signals); - } -} - -/*****************************************************************//** -Checks the compatibility of a new signal with the other signals in the -queue. -@return TRUE if the signal can be queued */ -static -ibool -trx_sig_is_compatible( -/*==================*/ - trx_t* trx, /*!< in: trx handle */ - ulint type, /*!< in: signal type */ - ulint sender) /*!< in: TRX_SIG_SELF or TRX_SIG_OTHER_SESS */ -{ - trx_sig_t* sig; - - ut_ad(mutex_own(&kernel_mutex)); - - if (UT_LIST_GET_LEN(trx->signals) == 0) { - - return(TRUE); - } - - if (sender == TRX_SIG_SELF) { - if (type == TRX_SIG_ERROR_OCCURRED) { - - return(TRUE); - - } else if (type == TRX_SIG_BREAK_EXECUTION) { - - return(TRUE); - } else { - return(FALSE); - } - } - - ut_ad(sender == TRX_SIG_OTHER_SESS); - - sig = UT_LIST_GET_FIRST(trx->signals); - - if (type == TRX_SIG_COMMIT) { - while (sig != NULL) { - - if (sig->type == TRX_SIG_TOTAL_ROLLBACK) { - - return(FALSE); - } - - sig = UT_LIST_GET_NEXT(signals, sig); - } - - return(TRUE); - - } else if (type == TRX_SIG_TOTAL_ROLLBACK) { - while (sig != NULL) { - - if (sig->type == TRX_SIG_COMMIT) { - - return(FALSE); - } - - sig = UT_LIST_GET_NEXT(signals, sig); - } - - return(TRUE); - - } else if (type == TRX_SIG_BREAK_EXECUTION) { - - return(TRUE); - } else { - ut_error; - - return(FALSE); - } -} - -/****************************************************************//** -Sends a signal to a trx object. */ -UNIV_INTERN -void -trx_sig_send( -/*=========*/ - trx_t* trx, /*!< in: trx handle */ - ulint type, /*!< in: signal type */ - ulint sender, /*!< in: TRX_SIG_SELF or - TRX_SIG_OTHER_SESS */ - que_thr_t* receiver_thr, /*!< in: query thread which wants the - reply, or NULL; if type is - TRX_SIG_END_WAIT, this must be NULL */ - trx_savept_t* savept, /*!< in: possible rollback savepoint, or - NULL */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if the parameter - is NULL, it is ignored */ -{ - trx_sig_t* sig; - trx_t* receiver_trx; - - ut_ad(trx); - ut_ad(mutex_own(&kernel_mutex)); - - if (!trx_sig_is_compatible(trx, type, sender)) { - /* The signal is not compatible with the other signals in - the queue: die */ - - ut_error; - } - - /* Queue the signal object */ - - if (UT_LIST_GET_LEN(trx->signals) == 0) { - - /* The signal list is empty: the 'sig' slot must be unused - (we improve performance a bit by avoiding mem_alloc) */ - sig = &(trx->sig); - } else { - /* It might be that the 'sig' slot is unused also in this - case, but we choose the easy way of using mem_alloc */ - - sig = mem_alloc(sizeof(trx_sig_t)); - } - - UT_LIST_ADD_LAST(signals, trx->signals, sig); - - sig->type = type; - sig->sender = sender; - sig->receiver = receiver_thr; - - if (savept) { - sig->savept = *savept; - } - - if (receiver_thr) { - receiver_trx = thr_get_trx(receiver_thr); - - UT_LIST_ADD_LAST(reply_signals, receiver_trx->reply_signals, - sig); - } - - if (trx->sess->state == SESS_ERROR) { - - trx_sig_reply_wait_to_suspended(trx); - } - - if ((sender != TRX_SIG_SELF) || (type == TRX_SIG_BREAK_EXECUTION)) { - ut_error; - } - - /* If there were no other signals ahead in the queue, try to start - handling of the signal */ - - if (UT_LIST_GET_FIRST(trx->signals) == sig) { - - trx_sig_start_handle(trx, next_thr); - } -} - -/****************************************************************//** -Ends signal handling. If the session is in the error state, and -trx->graph_before_signal_handling != NULL, then returns control to the error -handling routine of the graph (currently just returns the control to the -graph root which then will send an error message to the client). */ -UNIV_INTERN -void -trx_end_signal_handling( -/*====================*/ - trx_t* trx) /*!< in: trx */ -{ - ut_ad(mutex_own(&kernel_mutex)); - ut_ad(trx->handling_signals == TRUE); - - trx->handling_signals = FALSE; - - trx->graph = trx->graph_before_signal_handling; - - if (trx->graph && (trx->sess->state == SESS_ERROR)) { - - que_fork_error_handle(trx, trx->graph); - } -} - -/****************************************************************//** -Starts handling of a trx signal. */ -UNIV_INTERN -void -trx_sig_start_handle( -/*=================*/ - trx_t* trx, /*!< in: trx handle */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread; if the parameter - is NULL, it is ignored */ -{ - trx_sig_t* sig; - ulint type; -loop: - /* We loop in this function body as long as there are queued signals - we can process immediately */ - - ut_ad(trx); - ut_ad(mutex_own(&kernel_mutex)); - - if (trx->handling_signals && (UT_LIST_GET_LEN(trx->signals) == 0)) { - - trx_end_signal_handling(trx); - - return; - } - - if (trx->conc_state == TRX_NOT_STARTED) { - - trx_start_low(trx, ULINT_UNDEFINED); - } - - /* If the trx is in a lock wait state, moves the waiting query threads - to the suspended state */ - - if (trx->que_state == TRX_QUE_LOCK_WAIT) { - - trx_lock_wait_to_suspended(trx); - } - - /* If the session is in the error state and this trx has threads - waiting for reply from signals, moves these threads to the suspended - state, canceling wait reservations; note that if the transaction has - sent a commit or rollback signal to itself, and its session is not in - the error state, then nothing is done here. */ - - if (trx->sess->state == SESS_ERROR) { - trx_sig_reply_wait_to_suspended(trx); - } - - /* If there are no running query threads, we can start processing of a - signal, otherwise we have to wait until all query threads of this - transaction are aware of the arrival of the signal. */ - - if (trx->n_active_thrs > 0) { - - return; - } - - if (trx->handling_signals == FALSE) { - trx->graph_before_signal_handling = trx->graph; - - trx->handling_signals = TRUE; - } - - sig = UT_LIST_GET_FIRST(trx->signals); - type = sig->type; - - if (type == TRX_SIG_COMMIT) { - - trx_handle_commit_sig_off_kernel(trx, next_thr); - - } else if ((type == TRX_SIG_TOTAL_ROLLBACK) - || (type == TRX_SIG_ROLLBACK_TO_SAVEPT)) { - - trx_rollback(trx, sig, next_thr); - - /* No further signals can be handled until the rollback - completes, therefore we return */ - - return; - - } else if (type == TRX_SIG_ERROR_OCCURRED) { - - trx_rollback(trx, sig, next_thr); - - /* No further signals can be handled until the rollback - completes, therefore we return */ - - return; - - } else if (type == TRX_SIG_BREAK_EXECUTION) { - - trx_sig_reply(sig, next_thr); - trx_sig_remove(trx, sig); - } else { - ut_error; - } - - goto loop; -} - -/****************************************************************//** -Send the reply message when a signal in the queue of the trx has been -handled. */ -UNIV_INTERN -void -trx_sig_reply( -/*==========*/ - trx_sig_t* sig, /*!< in: signal */ - que_thr_t** next_thr) /*!< in/out: next query thread to run; - if the value which is passed in is - a pointer to a NULL pointer, then the - calling function can start running - a new query thread */ -{ - trx_t* receiver_trx; - - ut_ad(sig); - ut_ad(mutex_own(&kernel_mutex)); - - if (sig->receiver != NULL) { - ut_ad((sig->receiver)->state == QUE_THR_SIG_REPLY_WAIT); - - receiver_trx = thr_get_trx(sig->receiver); - - UT_LIST_REMOVE(reply_signals, receiver_trx->reply_signals, - sig); - ut_ad(receiver_trx->sess->state != SESS_ERROR); - - que_thr_end_wait(sig->receiver, next_thr); - - sig->receiver = NULL; - - } -} - -/****************************************************************//** -Removes a signal object from the trx signal queue. */ -UNIV_INTERN -void -trx_sig_remove( -/*===========*/ - trx_t* trx, /*!< in: trx handle */ - trx_sig_t* sig) /*!< in, own: signal */ -{ - ut_ad(trx && sig); - ut_ad(mutex_own(&kernel_mutex)); - - ut_ad(sig->receiver == NULL); - - UT_LIST_REMOVE(signals, trx->signals, sig); - sig->type = 0; /* reset the field to catch possible bugs */ - - if (sig != &(trx->sig)) { - mem_free(sig); - } -} - -/*********************************************************************//** -Creates a commit command node struct. -@return own: commit node struct */ -UNIV_INTERN -commit_node_t* -commit_node_create( -/*===============*/ - mem_heap_t* heap) /*!< in: mem heap where created */ -{ - commit_node_t* node; - - node = mem_heap_alloc(heap, sizeof(commit_node_t)); - node->common.type = QUE_NODE_COMMIT; - node->state = COMMIT_NODE_SEND; - - return(node); -} - -/***********************************************************//** -Performs an execution step for a commit type node in a query graph. -@return query thread to run next, or NULL */ -UNIV_INTERN -que_thr_t* -trx_commit_step( -/*============*/ - que_thr_t* thr) /*!< in: query thread */ -{ - commit_node_t* node; - que_thr_t* next_thr; - - node = thr->run_node; - - ut_ad(que_node_get_type(node) == QUE_NODE_COMMIT); - - if (thr->prev_node == que_node_get_parent(node)) { - node->state = COMMIT_NODE_SEND; - } - - if (node->state == COMMIT_NODE_SEND) { - mutex_enter(&kernel_mutex); - - node->state = COMMIT_NODE_WAIT; - - next_thr = NULL; - - thr->state = QUE_THR_SIG_REPLY_WAIT; - - /* Send the commit signal to the transaction */ - - trx_sig_send(thr_get_trx(thr), TRX_SIG_COMMIT, TRX_SIG_SELF, - thr, NULL, &next_thr); - - mutex_exit(&kernel_mutex); - - return(next_thr); - } - - ut_ad(node->state == COMMIT_NODE_WAIT); - - node->state = COMMIT_NODE_SEND; - - thr->run_node = que_node_get_parent(node); - - return(thr); -} - -/**********************************************************************//** -Does the transaction commit for MySQL. -@return DB_SUCCESS or error number */ -UNIV_INTERN -ulint -trx_commit_for_mysql( -/*=================*/ - trx_t* trx) /*!< in: trx handle */ -{ - /* Because we do not do the commit by sending an Innobase - sig to the transaction, we must here make sure that trx has been - started. */ - - ut_a(trx); - - trx_start_if_not_started(trx); - - trx->op_info = "committing"; - - mutex_enter(&kernel_mutex); - - trx_commit_off_kernel(trx); - - mutex_exit(&kernel_mutex); - - trx->op_info = ""; - - return(DB_SUCCESS); -} - -/**********************************************************************//** -If required, flushes the log to disk if we called trx_commit_for_mysql() -with trx->flush_log_later == TRUE. -@return 0 or error number */ -UNIV_INTERN -ulint -trx_commit_complete_for_mysql( -/*==========================*/ - trx_t* trx) /*!< in: trx handle */ -{ - ib_uint64_t lsn = trx->commit_lsn; - - ut_a(trx); - - trx->op_info = "flushing log"; - - if (!trx->must_flush_log_later) { - /* Do nothing */ - } else if (srv_flush_log_at_trx_commit == 0) { - /* Do nothing */ - } else if (srv_flush_log_at_trx_commit == 1) { - if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); - } else { - /* Write the log to the log files AND flush them to - disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); - } - } else if (srv_flush_log_at_trx_commit == 2) { - - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); - } else { - ut_error; - } - - trx->must_flush_log_later = FALSE; - - trx->op_info = ""; - - return(0); -} - -/**********************************************************************//** -Marks the latest SQL statement ended. */ -UNIV_INTERN -void -trx_mark_sql_stat_end( -/*==================*/ - trx_t* trx) /*!< in: trx handle */ -{ - ut_a(trx); - - if (trx->conc_state == TRX_NOT_STARTED) { - trx->undo_no = ut_dulint_zero; - } - - trx->last_sql_stat_start.least_undo_no = trx->undo_no; -} - -/**********************************************************************//** -Prints info about a transaction to the given file. The caller must own the -kernel mutex. */ -UNIV_INTERN -void -trx_print( -/*======*/ - FILE* f, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction */ - ulint max_query_len) /*!< in: max query length to print, or 0 to - use the default max length */ -{ - ibool newline; - - fprintf(f, "TRANSACTION " TRX_ID_FMT, TRX_ID_PREP_PRINTF(trx->id)); - - switch (trx->conc_state) { - case TRX_NOT_STARTED: - fputs(", not started", f); - break; - case TRX_ACTIVE: - fprintf(f, ", ACTIVE %lu sec", - (ulong)difftime(time(NULL), trx->start_time)); - break; - case TRX_PREPARED: - fprintf(f, ", ACTIVE (PREPARED) %lu sec", - (ulong)difftime(time(NULL), trx->start_time)); - break; - case TRX_COMMITTED_IN_MEMORY: - fputs(", COMMITTED IN MEMORY", f); - break; - default: - fprintf(f, " state %lu", (ulong) trx->conc_state); - } - -#ifdef UNIV_LINUX - fprintf(f, ", process no %lu", trx->mysql_process_no); -#endif - fprintf(f, ", OS thread id %lu", - (ulong) os_thread_pf(trx->mysql_thread_id)); - - if (*trx->op_info) { - putc(' ', f); - fputs(trx->op_info, f); - } - - if (trx->is_recovered) { - fputs(" recovered trx", f); - } - - if (trx->is_purge) { - fputs(" purge trx", f); - } - - if (trx->declared_to_be_inside_innodb) { - fprintf(f, ", thread declared inside InnoDB %lu", - (ulong) trx->n_tickets_to_enter_innodb); - } - - putc('\n', f); - - if (trx->n_mysql_tables_in_use > 0 || trx->mysql_n_tables_locked > 0) { - fprintf(f, "mysql tables in use %lu, locked %lu\n", - (ulong) trx->n_mysql_tables_in_use, - (ulong) trx->mysql_n_tables_locked); - } - - newline = TRUE; - - switch (trx->que_state) { - case TRX_QUE_RUNNING: - newline = FALSE; break; - case TRX_QUE_LOCK_WAIT: - fputs("LOCK WAIT ", f); break; - case TRX_QUE_ROLLING_BACK: - fputs("ROLLING BACK ", f); break; - case TRX_QUE_COMMITTING: - fputs("COMMITTING ", f); break; - default: - fprintf(f, "que state %lu ", (ulong) trx->que_state); - } - - if (0 < UT_LIST_GET_LEN(trx->trx_locks) - || mem_heap_get_size(trx->lock_heap) > 400) { - newline = TRUE; - - fprintf(f, "%lu lock struct(s), heap size %lu," - " %lu row lock(s)", - (ulong) UT_LIST_GET_LEN(trx->trx_locks), - (ulong) mem_heap_get_size(trx->lock_heap), - (ulong) lock_number_of_rows_locked(trx)); - } - - if (trx->has_search_latch) { - newline = TRUE; - fputs(", holds adaptive hash latch", f); - } - - if (!ut_dulint_is_zero(trx->undo_no)) { - newline = TRUE; - fprintf(f, ", undo log entries %lu", - (ulong) ut_dulint_get_low(trx->undo_no)); - } - - if (newline) { - putc('\n', f); - } - - if (trx->mysql_thd != NULL) { - innobase_mysql_print_thd(f, trx->mysql_thd, max_query_len); - } -} - -/*******************************************************************//** -Compares the "weight" (or size) of two transactions. Transactions that -have edited non-transactional tables are considered heavier than ones -that have not. -@return <0, 0 or >0; similar to strcmp(3) */ -UNIV_INTERN -int -trx_weight_cmp( -/*===========*/ - const trx_t* a, /*!< in: the first transaction to be compared */ - const trx_t* b) /*!< in: the second transaction to be compared */ -{ - ibool a_notrans_edit; - ibool b_notrans_edit; - - /* If mysql_thd is NULL for a transaction we assume that it has - not edited non-transactional tables. */ - - a_notrans_edit = a->mysql_thd != NULL - && thd_has_edited_nontrans_tables(a->mysql_thd); - - b_notrans_edit = b->mysql_thd != NULL - && thd_has_edited_nontrans_tables(b->mysql_thd); - - if (a_notrans_edit && !b_notrans_edit) { - - return(1); - } - - if (!a_notrans_edit && b_notrans_edit) { - - return(-1); - } - - /* Either both had edited non-transactional tables or both had - not, we fall back to comparing the number of altered/locked - rows. */ - -#if 0 - fprintf(stderr, - "%s TRX_WEIGHT(a): %lld+%lu, TRX_WEIGHT(b): %lld+%lu\n", - __func__, - ut_conv_dulint_to_longlong(a->undo_no), - UT_LIST_GET_LEN(a->trx_locks), - ut_conv_dulint_to_longlong(b->undo_no), - UT_LIST_GET_LEN(b->trx_locks)); -#endif - - return(ut_dulint_cmp(TRX_WEIGHT(a), TRX_WEIGHT(b))); -} - -/****************************************************************//** -Prepares a transaction. */ -UNIV_INTERN -void -trx_prepare_off_kernel( -/*===================*/ - trx_t* trx) /*!< in: transaction */ -{ - page_t* update_hdr_page; - trx_rseg_t* rseg; - ib_uint64_t lsn = 0; - mtr_t mtr; - - ut_ad(mutex_own(&kernel_mutex)); - - rseg = trx->rseg; - - if (trx->insert_undo != NULL || trx->update_undo != NULL) { - - mutex_exit(&kernel_mutex); - - mtr_start(&mtr); - - /* Change the undo log segment states from TRX_UNDO_ACTIVE - to TRX_UNDO_PREPARED: these modifications to the file data - structure define the transaction as prepared in the - file-based world, at the serialization point of lsn. */ - - mutex_enter(&(rseg->mutex)); - - if (trx->insert_undo != NULL) { - - /* It is not necessary to obtain trx->undo_mutex here - because only a single OS thread is allowed to do the - transaction prepare for this transaction. */ - - trx_undo_set_state_at_prepare(trx, trx->insert_undo, - &mtr); - } - - if (trx->update_undo) { - update_hdr_page = trx_undo_set_state_at_prepare( - trx, trx->update_undo, &mtr); - } - - mutex_exit(&(rseg->mutex)); - - /*--------------*/ - mtr_commit(&mtr); /* This mtr commit makes the - transaction prepared in the file-based - world */ - /*--------------*/ - lsn = mtr.end_lsn; - - mutex_enter(&kernel_mutex); - } - - ut_ad(mutex_own(&kernel_mutex)); - - /*--------------------------------------*/ - trx->conc_state = TRX_PREPARED; - /*--------------------------------------*/ - - if (lsn) { - /* Depending on the my.cnf options, we may now write the log - buffer to the log files, making the prepared state of the - transaction durable if the OS does not crash. We may also - flush the log files to disk, making the prepared state of the - transaction durable also at an OS crash or a power outage. - - The idea in InnoDB's group prepare is that a group of - transactions gather behind a trx doing a physical disk write - to log files, and when that physical write has been completed, - one of those transactions does a write which prepares the whole - group. Note that this group prepare will only bring benefit if - there are > 2 users in the database. Then at least 2 users can - gather behind one doing the physical log write to disk. - - TODO: find out if MySQL holds some mutex when calling this. - That would spoil our group prepare algorithm. */ - - mutex_exit(&kernel_mutex); - - if (srv_flush_log_at_trx_commit == 0) { - /* Do nothing */ - } else if (srv_flush_log_at_trx_commit == 1) { - if (srv_unix_file_flush_method == SRV_UNIX_NOSYNC) { - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, - FALSE); - } else { - /* Write the log to the log files AND flush - them to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, TRUE); - } - } else if (srv_flush_log_at_trx_commit == 2) { - - /* Write the log but do not flush it to disk */ - - log_write_up_to(lsn, LOG_WAIT_ONE_GROUP, FALSE); - } else { - ut_error; - } - - mutex_enter(&kernel_mutex); - } -} - -/**********************************************************************//** -Does the transaction prepare for MySQL. -@return 0 or error number */ -UNIV_INTERN -ulint -trx_prepare_for_mysql( -/*==================*/ - trx_t* trx) /*!< in: trx handle */ -{ - /* Because we do not do the prepare by sending an Innobase - sig to the transaction, we must here make sure that trx has been - started. */ - - ut_a(trx); - - trx->op_info = "preparing"; - - trx_start_if_not_started(trx); - - mutex_enter(&kernel_mutex); - - trx_prepare_off_kernel(trx); - - mutex_exit(&kernel_mutex); - - trx->op_info = ""; - - return(0); -} - -/**********************************************************************//** -This function is used to find number of prepared transactions and -their transaction objects for a recovery. -@return number of prepared transactions stored in xid_list */ -UNIV_INTERN -int -trx_recover_for_mysql( -/*==================*/ - XID* xid_list, /*!< in/out: prepared transactions */ - ulint len) /*!< in: number of slots in xid_list */ -{ - trx_t* trx; - ulint count = 0; - - ut_ad(xid_list); - ut_ad(len); - - /* We should set those transactions which are in the prepared state - to the xid_list */ - - mutex_enter(&kernel_mutex); - - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx) { - if (trx->conc_state == TRX_PREPARED) { - xid_list[count] = trx->xid; - - if (count == 0) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Starting recovery for" - " XA transactions...\n"); - } - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Transaction " TRX_ID_FMT " in" - " prepared state after recovery\n", - TRX_ID_PREP_PRINTF(trx->id)); - - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Transaction contains changes" - " to %lu rows\n", - (ulong) ut_conv_dulint_to_longlong( - trx->undo_no)); - - count++; - - if (count == len) { - break; - } - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - mutex_exit(&kernel_mutex); - - if (count > 0){ - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: %lu transactions in prepared state" - " after recovery\n", - (ulong) count); - } - - return ((int) count); -} - -/*******************************************************************//** -This function is used to find one X/Open XA distributed transaction -which is in the prepared state -@return trx or NULL */ -UNIV_INTERN -trx_t* -trx_get_trx_by_xid( -/*===============*/ - XID* xid) /*!< in: X/Open XA transaction identification */ -{ - trx_t* trx; - - if (xid == NULL) { - - return (NULL); - } - - mutex_enter(&kernel_mutex); - - trx = UT_LIST_GET_FIRST(trx_sys->trx_list); - - while (trx) { - /* Compare two X/Open XA transaction id's: their - length should be the same and binary comparison - of gtrid_lenght+bqual_length bytes should be - the same */ - - if (xid->gtrid_length == trx->xid.gtrid_length - && xid->bqual_length == trx->xid.bqual_length - && memcmp(xid->data, trx->xid.data, - xid->gtrid_length + xid->bqual_length) == 0) { - break; - } - - trx = UT_LIST_GET_NEXT(trx_list, trx); - } - - mutex_exit(&kernel_mutex); - - if (trx) { - if (trx->conc_state != TRX_PREPARED) { - - return(NULL); - } - - return(trx); - } else { - return(NULL); - } -} diff --git a/perfschema/trx/trx0undo.c b/perfschema/trx/trx0undo.c deleted file mode 100644 index 3bb1b1cdf6c..00000000000 --- a/perfschema/trx/trx0undo.c +++ /dev/null @@ -1,1993 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file trx/trx0undo.c -Transaction undo log - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "trx0undo.h" - -#ifdef UNIV_NONINL -#include "trx0undo.ic" -#endif - -#include "fsp0fsp.h" -#ifndef UNIV_HOTBACKUP -#include "mach0data.h" -#include "mtr0log.h" -#include "trx0rseg.h" -#include "trx0trx.h" -#include "srv0srv.h" -#include "trx0rec.h" -#include "trx0purge.h" - -/* How should the old versions in the history list be managed? - ---------------------------------------------------------- -If each transaction is given a whole page for its update undo log, file -space consumption can be 10 times higher than necessary. Therefore, -partly filled update undo log pages should be reusable. But then there -is no way individual pages can be ordered so that the ordering agrees -with the serialization numbers of the transactions on the pages. Thus, -the history list must be formed of undo logs, not their header pages as -it was in the old implementation. - However, on a single header page the transactions are placed in -the order of their serialization numbers. As old versions are purged, we -may free the page when the last transaction on the page has been purged. - A problem is that the purge has to go through the transactions -in the serialization order. This means that we have to look through all -rollback segments for the one that has the smallest transaction number -in its history list. - When should we do a purge? A purge is necessary when space is -running out in any of the rollback segments. Then we may have to purge -also old version which might be needed by some consistent read. How do -we trigger the start of a purge? When a transaction writes to an undo log, -it may notice that the space is running out. When a read view is closed, -it may make some history superfluous. The server can have an utility which -periodically checks if it can purge some history. - In a parallellized purge we have the problem that a query thread -can remove a delete marked clustered index record before another query -thread has processed an earlier version of the record, which cannot then -be done because the row cannot be constructed from the clustered index -record. To avoid this problem, we will store in the update and delete mark -undo record also the columns necessary to construct the secondary index -entries which are modified. - We can latch the stack of versions of a single clustered index record -by taking a latch on the clustered index page. As long as the latch is held, -no new versions can be added and no versions removed by undo. But, a purge -can still remove old versions from the bottom of the stack. */ - -/* How to protect rollback segments, undo logs, and history lists with - ------------------------------------------------------------------- -latches? -------- -The contention of the kernel mutex should be minimized. When a transaction -does its first insert or modify in an index, an undo log is assigned for it. -Then we must have an x-latch to the rollback segment header. - When the transaction does more modifys or rolls back, the undo log is -protected with undo_mutex in the transaction. - When the transaction commits, its insert undo log is either reset and -cached for a fast reuse, or freed. In these cases we must have an x-latch on -the rollback segment page. The update undo log is put to the history list. If -it is not suitable for reuse, its slot in the rollback segment is reset. In -both cases, an x-latch must be acquired on the rollback segment. - The purge operation steps through the history list without modifying -it until a truncate operation occurs, which can remove undo logs from the end -of the list and release undo log segments. In stepping through the list, -s-latches on the undo log pages are enough, but in a truncate, x-latches must -be obtained on the rollback segment and individual pages. */ -#endif /* !UNIV_HOTBACKUP */ - -/********************************************************************//** -Initializes the fields in an undo log segment page. */ -static -void -trx_undo_page_init( -/*===============*/ - page_t* undo_page, /*!< in: undo log segment page */ - ulint type, /*!< in: undo log segment type */ - mtr_t* mtr); /*!< in: mtr */ - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Creates and initializes an undo log memory object. -@return own: the undo log memory object */ -static -trx_undo_t* -trx_undo_mem_create( -/*================*/ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - ulint id, /*!< in: slot index within rseg */ - ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - trx_id_t trx_id, /*!< in: id of the trx for which the undo log - is created */ - const XID* xid, /*!< in: X/Open XA transaction identification*/ - ulint page_no,/*!< in: undo log header page number */ - ulint offset);/*!< in: undo log header byte offset on page */ -#endif /* !UNIV_HOTBACKUP */ -/***************************************************************//** -Initializes a cached insert undo log header page for new use. NOTE that this -function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change -the operation of this function! -@return undo log header byte offset on page */ -static -ulint -trx_undo_insert_header_reuse( -/*=========================*/ - page_t* undo_page, /*!< in/out: insert undo log segment - header page, x-latched */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr); /*!< in: mtr */ -/**********************************************************************//** -If an update undo log can be discarded immediately, this function frees the -space, resetting the page to the proper state for caching. */ -static -void -trx_undo_discard_latest_update_undo( -/*================================*/ - page_t* undo_page, /*!< in: header page of an undo log of size 1 */ - mtr_t* mtr); /*!< in: mtr */ - -#ifndef UNIV_HOTBACKUP -/***********************************************************************//** -Gets the previous record in an undo log from the previous page. -@return undo log record, the page s-latched, NULL if none */ -static -trx_undo_rec_t* -trx_undo_get_prev_rec_from_prev_page( -/*=================================*/ - trx_undo_rec_t* rec, /*!< in: undo record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint space; - ulint zip_size; - ulint prev_page_no; - page_t* prev_page; - page_t* undo_page; - - undo_page = page_align(rec); - - prev_page_no = flst_get_prev_addr(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_NODE, mtr) - .page; - - if (prev_page_no == FIL_NULL) { - - return(NULL); - } - - space = page_get_space_id(undo_page); - zip_size = fil_space_get_zip_size(space); - - prev_page = trx_undo_page_get_s_latched(space, zip_size, - prev_page_no, mtr); - - return(trx_undo_page_get_last_rec(prev_page, page_no, offset)); -} - -/***********************************************************************//** -Gets the previous record in an undo log. -@return undo log record, the page s-latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_prev_rec( -/*==================*/ - trx_undo_rec_t* rec, /*!< in: undo record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_undo_rec_t* prev_rec; - - prev_rec = trx_undo_page_get_prev_rec(rec, page_no, offset); - - if (prev_rec) { - - return(prev_rec); - } - - /* We have to go to the previous undo log page to look for the - previous record */ - - return(trx_undo_get_prev_rec_from_prev_page(rec, page_no, offset, - mtr)); -} - -/***********************************************************************//** -Gets the next record in an undo log from the next page. -@return undo log record, the page latched, NULL if none */ -static -trx_undo_rec_t* -trx_undo_get_next_rec_from_next_page( -/*=================================*/ - ulint space, /*!< in: undo log header space */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - page_t* undo_page, /*!< in: undo log page */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - ulint mode, /*!< in: latch mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_ulogf_t* log_hdr; - ulint next_page_no; - page_t* next_page; - ulint next; - - if (page_no == page_get_page_no(undo_page)) { - - log_hdr = undo_page + offset; - next = mach_read_from_2(log_hdr + TRX_UNDO_NEXT_LOG); - - if (next != 0) { - - return(NULL); - } - } - - next_page_no = flst_get_next_addr(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_NODE, mtr) - .page; - if (next_page_no == FIL_NULL) { - - return(NULL); - } - - if (mode == RW_S_LATCH) { - next_page = trx_undo_page_get_s_latched(space, zip_size, - next_page_no, mtr); - } else { - ut_ad(mode == RW_X_LATCH); - next_page = trx_undo_page_get(space, zip_size, - next_page_no, mtr); - } - - return(trx_undo_page_get_first_rec(next_page, page_no, offset)); -} - -/***********************************************************************//** -Gets the next record in an undo log. -@return undo log record, the page s-latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_next_rec( -/*==================*/ - trx_undo_rec_t* rec, /*!< in: undo record */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint space; - ulint zip_size; - trx_undo_rec_t* next_rec; - - next_rec = trx_undo_page_get_next_rec(rec, page_no, offset); - - if (next_rec) { - return(next_rec); - } - - space = page_get_space_id(page_align(rec)); - zip_size = fil_space_get_zip_size(space); - - return(trx_undo_get_next_rec_from_next_page(space, zip_size, - page_align(rec), - page_no, offset, - RW_S_LATCH, mtr)); -} - -/***********************************************************************//** -Gets the first record in an undo log. -@return undo log record, the page latched, NULL if none */ -UNIV_INTERN -trx_undo_rec_t* -trx_undo_get_first_rec( -/*===================*/ - ulint space, /*!< in: undo log header space */ - ulint zip_size,/*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset, /*!< in: undo log header offset on page */ - ulint mode, /*!< in: latching mode: RW_S_LATCH or RW_X_LATCH */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* undo_page; - trx_undo_rec_t* rec; - - if (mode == RW_S_LATCH) { - undo_page = trx_undo_page_get_s_latched(space, zip_size, - page_no, mtr); - } else { - undo_page = trx_undo_page_get(space, zip_size, page_no, mtr); - } - - rec = trx_undo_page_get_first_rec(undo_page, page_no, offset); - - if (rec) { - return(rec); - } - - return(trx_undo_get_next_rec_from_next_page(space, zip_size, - undo_page, page_no, offset, - mode, mtr)); -} - -/*============== UNDO LOG FILE COPY CREATION AND FREEING ==================*/ - -/**********************************************************************//** -Writes the mtr log entry of an undo log page initialization. */ -UNIV_INLINE -void -trx_undo_page_init_log( -/*===================*/ - page_t* undo_page, /*!< in: undo log page */ - ulint type, /*!< in: undo log type */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_initial_log_record(undo_page, MLOG_UNDO_INIT, mtr); - - mlog_catenate_ulint_compressed(mtr, type); -} -#else /* !UNIV_HOTBACKUP */ -# define trx_undo_page_init_log(undo_page,type,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses the redo log entry of an undo log page initialization. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_page_init( -/*=====================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ulint type; - - ptr = mach_parse_compressed(ptr, end_ptr, &type); - - if (ptr == NULL) { - - return(NULL); - } - - if (page) { - trx_undo_page_init(page, type, mtr); - } - - return(ptr); -} - -/********************************************************************//** -Initializes the fields in an undo log segment page. */ -static -void -trx_undo_page_init( -/*===============*/ - page_t* undo_page, /*!< in: undo log segment page */ - ulint type, /*!< in: undo log segment type */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_upagef_t* page_hdr; - - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_TYPE, type); - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, - TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE); - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, - TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_HDR_SIZE); - - fil_page_set_type(undo_page, FIL_PAGE_UNDO_LOG); - - trx_undo_page_init_log(undo_page, type, mtr); -} - -#ifndef UNIV_HOTBACKUP -/***************************************************************//** -Creates a new undo log segment in file. -@return DB_SUCCESS if page creation OK possible error codes are: -DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE */ -static -ulint -trx_undo_seg_create( -/*================*/ - trx_rseg_t* rseg __attribute__((unused)),/*!< in: rollback segment */ - trx_rsegf_t* rseg_hdr,/*!< in: rollback segment header, page - x-latched */ - ulint type, /*!< in: type of the segment: TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - ulint* id, /*!< out: slot index within rseg header */ - page_t** undo_page, - /*!< out: segment header page x-latched, NULL - if there was an error */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint slot_no; - ulint space; - buf_block_t* block; - trx_upagef_t* page_hdr; - trx_usegf_t* seg_hdr; - ulint n_reserved; - ibool success; - ulint err = DB_SUCCESS; - - ut_ad(mtr && id && rseg_hdr); - ut_ad(mutex_own(&(rseg->mutex))); - - /* fputs(type == TRX_UNDO_INSERT - ? "Creating insert undo log segment\n" - : "Creating update undo log segment\n", stderr); */ - slot_no = trx_rsegf_undo_find_free(rseg_hdr, mtr); - - if (slot_no == ULINT_UNDEFINED) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Warning: cannot find a free slot for" - " an undo log. Do you have too\n" - "InnoDB: many active transactions" - " running concurrently?\n"); - - return(DB_TOO_MANY_CONCURRENT_TRXS); - } - - space = page_get_space_id(page_align(rseg_hdr)); - - success = fsp_reserve_free_extents(&n_reserved, space, 2, FSP_UNDO, - mtr); - if (!success) { - - return(DB_OUT_OF_FILE_SPACE); - } - - /* Allocate a new file segment for the undo log */ - block = fseg_create_general(space, 0, - TRX_UNDO_SEG_HDR - + TRX_UNDO_FSEG_HEADER, TRUE, mtr); - - fil_space_release_free_extents(space, n_reserved); - - if (block == NULL) { - /* No space left */ - - return(DB_OUT_OF_FILE_SPACE); - } - - buf_block_dbg_add_level(block, SYNC_TRX_UNDO_PAGE); - - *undo_page = buf_block_get_frame(block); - - page_hdr = *undo_page + TRX_UNDO_PAGE_HDR; - seg_hdr = *undo_page + TRX_UNDO_SEG_HDR; - - trx_undo_page_init(*undo_page, type, mtr); - - mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_FREE, - TRX_UNDO_SEG_HDR + TRX_UNDO_SEG_HDR_SIZE, - MLOG_2BYTES, mtr); - - mlog_write_ulint(seg_hdr + TRX_UNDO_LAST_LOG, 0, MLOG_2BYTES, mtr); - - flst_init(seg_hdr + TRX_UNDO_PAGE_LIST, mtr); - - flst_add_last(seg_hdr + TRX_UNDO_PAGE_LIST, - page_hdr + TRX_UNDO_PAGE_NODE, mtr); - - trx_rsegf_set_nth_undo(rseg_hdr, slot_no, - page_get_page_no(*undo_page), mtr); - *id = slot_no; - - return(err); -} - -/**********************************************************************//** -Writes the mtr log entry of an undo log header initialization. */ -UNIV_INLINE -void -trx_undo_header_create_log( -/*=======================*/ - const page_t* undo_page, /*!< in: undo log header page */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_CREATE, mtr); - - mlog_catenate_dulint_compressed(mtr, trx_id); -} -#else /* !UNIV_HOTBACKUP */ -# define trx_undo_header_create_log(undo_page,trx_id,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***************************************************************//** -Creates a new undo log header in file. NOTE that this function has its own -log record type MLOG_UNDO_HDR_CREATE. You must NOT change the operation of -this function! -@return header byte offset on page */ -static -ulint -trx_undo_header_create( -/*===================*/ - page_t* undo_page, /*!< in/out: undo log segment - header page, x-latched; it is - assumed that there is - TRX_UNDO_LOG_XA_HDR_SIZE bytes - free space on it */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_upagef_t* page_hdr; - trx_usegf_t* seg_hdr; - trx_ulogf_t* log_hdr; - trx_ulogf_t* prev_log_hdr; - ulint prev_log; - ulint free; - ulint new_free; - - ut_ad(mtr && undo_page); - - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - - free = mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE); - - log_hdr = undo_page + free; - - new_free = free + TRX_UNDO_LOG_OLD_HDR_SIZE; - - ut_a(free + TRX_UNDO_LOG_XA_HDR_SIZE < UNIV_PAGE_SIZE - 100); - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, new_free); - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, new_free); - - mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_ACTIVE); - - prev_log = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); - - if (prev_log != 0) { - prev_log_hdr = undo_page + prev_log; - - mach_write_to_2(prev_log_hdr + TRX_UNDO_NEXT_LOG, free); - } - - mach_write_to_2(seg_hdr + TRX_UNDO_LAST_LOG, free); - - log_hdr = undo_page + free; - - mach_write_to_2(log_hdr + TRX_UNDO_DEL_MARKS, TRUE); - - mach_write_to_8(log_hdr + TRX_UNDO_TRX_ID, trx_id); - mach_write_to_2(log_hdr + TRX_UNDO_LOG_START, new_free); - - mach_write_to_1(log_hdr + TRX_UNDO_XID_EXISTS, FALSE); - mach_write_to_1(log_hdr + TRX_UNDO_DICT_TRANS, FALSE); - - mach_write_to_2(log_hdr + TRX_UNDO_NEXT_LOG, 0); - mach_write_to_2(log_hdr + TRX_UNDO_PREV_LOG, prev_log); - - /* Write the log record about the header creation */ - trx_undo_header_create_log(undo_page, trx_id, mtr); - - return(free); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Write X/Open XA Transaction Identification (XID) to undo log header */ -static -void -trx_undo_write_xid( -/*===============*/ - trx_ulogf_t* log_hdr,/*!< in: undo log header */ - const XID* xid, /*!< in: X/Open XA Transaction Identification */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_ulint(log_hdr + TRX_UNDO_XA_FORMAT, - (ulint)xid->formatID, MLOG_4BYTES, mtr); - - mlog_write_ulint(log_hdr + TRX_UNDO_XA_TRID_LEN, - (ulint)xid->gtrid_length, MLOG_4BYTES, mtr); - - mlog_write_ulint(log_hdr + TRX_UNDO_XA_BQUAL_LEN, - (ulint)xid->bqual_length, MLOG_4BYTES, mtr); - - mlog_write_string(log_hdr + TRX_UNDO_XA_XID, (const byte*) xid->data, - XIDDATASIZE, mtr); -} - -/********************************************************************//** -Read X/Open XA Transaction Identification (XID) from undo log header */ -static -void -trx_undo_read_xid( -/*==============*/ - trx_ulogf_t* log_hdr,/*!< in: undo log header */ - XID* xid) /*!< out: X/Open XA Transaction Identification */ -{ - xid->formatID = (long)mach_read_from_4(log_hdr + TRX_UNDO_XA_FORMAT); - - xid->gtrid_length - = (long) mach_read_from_4(log_hdr + TRX_UNDO_XA_TRID_LEN); - xid->bqual_length - = (long) mach_read_from_4(log_hdr + TRX_UNDO_XA_BQUAL_LEN); - - memcpy(xid->data, log_hdr + TRX_UNDO_XA_XID, XIDDATASIZE); -} - -/***************************************************************//** -Adds space for the XA XID after an undo log old-style header. */ -static -void -trx_undo_header_add_space_for_xid( -/*==============================*/ - page_t* undo_page,/*!< in: undo log segment header page */ - trx_ulogf_t* log_hdr,/*!< in: undo log header */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_upagef_t* page_hdr; - ulint free; - ulint new_free; - - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - - free = mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE); - - /* free is now the end offset of the old style undo log header */ - - ut_a(free == (ulint)(log_hdr - undo_page) + TRX_UNDO_LOG_OLD_HDR_SIZE); - - new_free = free + (TRX_UNDO_LOG_XA_HDR_SIZE - - TRX_UNDO_LOG_OLD_HDR_SIZE); - - /* Add space for a XID after the header, update the free offset - fields on the undo log page and in the undo log header */ - - mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_START, new_free, - MLOG_2BYTES, mtr); - - mlog_write_ulint(page_hdr + TRX_UNDO_PAGE_FREE, new_free, - MLOG_2BYTES, mtr); - - mlog_write_ulint(log_hdr + TRX_UNDO_LOG_START, new_free, - MLOG_2BYTES, mtr); -} - -/**********************************************************************//** -Writes the mtr log entry of an undo log header reuse. */ -UNIV_INLINE -void -trx_undo_insert_header_reuse_log( -/*=============================*/ - const page_t* undo_page, /*!< in: undo log header page */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_REUSE, mtr); - - mlog_catenate_dulint_compressed(mtr, trx_id); -} -#else /* !UNIV_HOTBACKUP */ -# define trx_undo_insert_header_reuse_log(undo_page,trx_id,mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses the redo log entry of an undo log page header create or reuse. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_page_header( -/*=======================*/ - ulint type, /*!< in: MLOG_UNDO_HDR_CREATE or MLOG_UNDO_HDR_REUSE */ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - trx_id_t trx_id; - - ptr = mach_dulint_parse_compressed(ptr, end_ptr, &trx_id); - - if (ptr == NULL) { - - return(NULL); - } - - if (page) { - if (type == MLOG_UNDO_HDR_CREATE) { - trx_undo_header_create(page, trx_id, mtr); - } else { - ut_ad(type == MLOG_UNDO_HDR_REUSE); - trx_undo_insert_header_reuse(page, trx_id, mtr); - } - } - - return(ptr); -} - -/***************************************************************//** -Initializes a cached insert undo log header page for new use. NOTE that this -function has its own log record type MLOG_UNDO_HDR_REUSE. You must NOT change -the operation of this function! -@return undo log header byte offset on page */ -static -ulint -trx_undo_insert_header_reuse( -/*=========================*/ - page_t* undo_page, /*!< in/out: insert undo log segment - header page, x-latched */ - trx_id_t trx_id, /*!< in: transaction id */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_upagef_t* page_hdr; - trx_usegf_t* seg_hdr; - trx_ulogf_t* log_hdr; - ulint free; - ulint new_free; - - ut_ad(mtr && undo_page); - - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - - free = TRX_UNDO_SEG_HDR + TRX_UNDO_SEG_HDR_SIZE; - - ut_a(free + TRX_UNDO_LOG_XA_HDR_SIZE < UNIV_PAGE_SIZE - 100); - - log_hdr = undo_page + free; - - new_free = free + TRX_UNDO_LOG_OLD_HDR_SIZE; - - /* Insert undo data is not needed after commit: we may free all - the space on the page */ - - ut_a(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_TYPE) - == TRX_UNDO_INSERT); - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, new_free); - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, new_free); - - mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_ACTIVE); - - log_hdr = undo_page + free; - - mach_write_to_8(log_hdr + TRX_UNDO_TRX_ID, trx_id); - mach_write_to_2(log_hdr + TRX_UNDO_LOG_START, new_free); - - mach_write_to_1(log_hdr + TRX_UNDO_XID_EXISTS, FALSE); - mach_write_to_1(log_hdr + TRX_UNDO_DICT_TRANS, FALSE); - - /* Write the log record MLOG_UNDO_HDR_REUSE */ - trx_undo_insert_header_reuse_log(undo_page, trx_id, mtr); - - return(free); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Writes the redo log entry of an update undo log header discard. */ -UNIV_INLINE -void -trx_undo_discard_latest_log( -/*========================*/ - page_t* undo_page, /*!< in: undo log header page */ - mtr_t* mtr) /*!< in: mtr */ -{ - mlog_write_initial_log_record(undo_page, MLOG_UNDO_HDR_DISCARD, mtr); -} -#else /* !UNIV_HOTBACKUP */ -# define trx_undo_discard_latest_log(undo_page, mtr) ((void) 0) -#endif /* !UNIV_HOTBACKUP */ - -/***********************************************************//** -Parses the redo log entry of an undo log page header discard. -@return end of log record or NULL */ -UNIV_INTERN -byte* -trx_undo_parse_discard_latest( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr __attribute__((unused)), /*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr) /*!< in: mtr or NULL */ -{ - ut_ad(end_ptr); - - if (page) { - trx_undo_discard_latest_update_undo(page, mtr); - } - - return(ptr); -} - -/**********************************************************************//** -If an update undo log can be discarded immediately, this function frees the -space, resetting the page to the proper state for caching. */ -static -void -trx_undo_discard_latest_update_undo( -/*================================*/ - page_t* undo_page, /*!< in: header page of an undo log of size 1 */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_usegf_t* seg_hdr; - trx_upagef_t* page_hdr; - trx_ulogf_t* log_hdr; - trx_ulogf_t* prev_log_hdr; - ulint free; - ulint prev_hdr_offset; - - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - - free = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); - log_hdr = undo_page + free; - - prev_hdr_offset = mach_read_from_2(log_hdr + TRX_UNDO_PREV_LOG); - - if (prev_hdr_offset != 0) { - prev_log_hdr = undo_page + prev_hdr_offset; - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_START, - mach_read_from_2(prev_log_hdr - + TRX_UNDO_LOG_START)); - mach_write_to_2(prev_log_hdr + TRX_UNDO_NEXT_LOG, 0); - } - - mach_write_to_2(page_hdr + TRX_UNDO_PAGE_FREE, free); - - mach_write_to_2(seg_hdr + TRX_UNDO_STATE, TRX_UNDO_CACHED); - mach_write_to_2(seg_hdr + TRX_UNDO_LAST_LOG, prev_hdr_offset); - - trx_undo_discard_latest_log(undo_page, mtr); -} - -#ifndef UNIV_HOTBACKUP -/********************************************************************//** -Tries to add a page to the undo log segment where the undo log is placed. -@return page number if success, else FIL_NULL */ -UNIV_INTERN -ulint -trx_undo_add_page( -/*==============*/ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory object */ - mtr_t* mtr) /*!< in: mtr which does not have a latch to any - undo log page; the caller must have reserved - the rollback segment mutex */ -{ - page_t* header_page; - page_t* new_page; - trx_rseg_t* rseg; - ulint page_no; - ulint n_reserved; - ibool success; - - ut_ad(mutex_own(&(trx->undo_mutex))); - ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(mutex_own(&(trx->rseg->mutex))); - - rseg = trx->rseg; - - if (rseg->curr_size == rseg->max_size) { - - return(FIL_NULL); - } - - header_page = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, mtr); - - success = fsp_reserve_free_extents(&n_reserved, undo->space, 1, - FSP_UNDO, mtr); - if (!success) { - - return(FIL_NULL); - } - - page_no = fseg_alloc_free_page_general(header_page + TRX_UNDO_SEG_HDR - + TRX_UNDO_FSEG_HEADER, - undo->top_page_no + 1, FSP_UP, - TRUE, mtr); - - fil_space_release_free_extents(undo->space, n_reserved); - - if (page_no == FIL_NULL) { - - /* No space left */ - - return(FIL_NULL); - } - - undo->last_page_no = page_no; - - new_page = trx_undo_page_get(undo->space, undo->zip_size, - page_no, mtr); - - trx_undo_page_init(new_page, undo->type, mtr); - - flst_add_last(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_PAGE_LIST, - new_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_NODE, mtr); - undo->size++; - rseg->curr_size++; - - return(page_no); -} - -/********************************************************************//** -Frees an undo log page that is not the header page. -@return last page number in remaining log */ -static -ulint -trx_undo_free_page( -/*===============*/ - trx_rseg_t* rseg, /*!< in: rollback segment */ - ibool in_history, /*!< in: TRUE if the undo log is in the history - list */ - ulint space, /*!< in: space */ - ulint hdr_page_no, /*!< in: header page number */ - ulint page_no, /*!< in: page number to free: must not be the - header page */ - mtr_t* mtr) /*!< in: mtr which does not have a latch to any - undo log page; the caller must have reserved - the rollback segment mutex */ -{ - page_t* header_page; - page_t* undo_page; - fil_addr_t last_addr; - trx_rsegf_t* rseg_header; - ulint hist_size; - ulint zip_size; - - ut_a(hdr_page_no != page_no); - ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(mutex_own(&(rseg->mutex))); - - zip_size = rseg->zip_size; - - undo_page = trx_undo_page_get(space, zip_size, page_no, mtr); - - header_page = trx_undo_page_get(space, zip_size, hdr_page_no, mtr); - - flst_remove(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_PAGE_LIST, - undo_page + TRX_UNDO_PAGE_HDR + TRX_UNDO_PAGE_NODE, mtr); - - fseg_free_page(header_page + TRX_UNDO_SEG_HDR + TRX_UNDO_FSEG_HEADER, - space, page_no, mtr); - - last_addr = flst_get_last(header_page + TRX_UNDO_SEG_HDR - + TRX_UNDO_PAGE_LIST, mtr); - rseg->curr_size--; - - if (in_history) { - rseg_header = trx_rsegf_get(space, zip_size, - rseg->page_no, mtr); - - hist_size = mtr_read_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, - MLOG_4BYTES, mtr); - ut_ad(hist_size > 0); - mlog_write_ulint(rseg_header + TRX_RSEG_HISTORY_SIZE, - hist_size - 1, MLOG_4BYTES, mtr); - } - - return(last_addr.page); -} - -/********************************************************************//** -Frees an undo log page when there is also the memory object for the undo -log. */ -static -void -trx_undo_free_page_in_rollback( -/*===========================*/ - trx_t* trx __attribute__((unused)), /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory copy */ - ulint page_no,/*!< in: page number to free: must not be the - header page */ - mtr_t* mtr) /*!< in: mtr which does not have a latch to any - undo log page; the caller must have reserved - the rollback segment mutex */ -{ - ulint last_page_no; - - ut_ad(undo->hdr_page_no != page_no); - ut_ad(mutex_own(&(trx->undo_mutex))); - - last_page_no = trx_undo_free_page(undo->rseg, FALSE, undo->space, - undo->hdr_page_no, page_no, mtr); - - undo->last_page_no = last_page_no; - undo->size--; -} - -/********************************************************************//** -Empties an undo log header page of undo records for that undo log. Other -undo logs may still have records on that page, if it is an update undo log. */ -static -void -trx_undo_empty_header_page( -/*=======================*/ - ulint space, /*!< in: space */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint hdr_page_no, /*!< in: header page number */ - ulint hdr_offset, /*!< in: header offset */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* header_page; - trx_ulogf_t* log_hdr; - ulint end; - - header_page = trx_undo_page_get(space, zip_size, hdr_page_no, mtr); - - log_hdr = header_page + hdr_offset; - - end = trx_undo_page_get_end(header_page, hdr_page_no, hdr_offset); - - mlog_write_ulint(log_hdr + TRX_UNDO_LOG_START, end, MLOG_2BYTES, mtr); -} - -/***********************************************************************//** -Truncates an undo log from the end. This function is used during a rollback -to free space from an undo log. */ -UNIV_INTERN -void -trx_undo_truncate_end( -/*==================*/ - trx_t* trx, /*!< in: transaction whose undo log it is */ - trx_undo_t* undo, /*!< in: undo log */ - undo_no_t limit) /*!< in: all undo records with undo number - >= this value should be truncated */ -{ - page_t* undo_page; - ulint last_page_no; - trx_undo_rec_t* rec; - trx_undo_rec_t* trunc_here; - trx_rseg_t* rseg; - mtr_t mtr; - - ut_ad(mutex_own(&(trx->undo_mutex))); - ut_ad(mutex_own(&(trx->rseg->mutex))); - - rseg = trx->rseg; - - for (;;) { - mtr_start(&mtr); - - trunc_here = NULL; - - last_page_no = undo->last_page_no; - - undo_page = trx_undo_page_get(undo->space, undo->zip_size, - last_page_no, &mtr); - - rec = trx_undo_page_get_last_rec(undo_page, undo->hdr_page_no, - undo->hdr_offset); - for (;;) { - if (rec == NULL) { - if (last_page_no == undo->hdr_page_no) { - - goto function_exit; - } - - trx_undo_free_page_in_rollback( - trx, undo, last_page_no, &mtr); - break; - } - - if (ut_dulint_cmp(trx_undo_rec_get_undo_no(rec), limit) - >= 0) { - /* Truncate at least this record off, maybe - more */ - trunc_here = rec; - } else { - goto function_exit; - } - - rec = trx_undo_page_get_prev_rec(rec, - undo->hdr_page_no, - undo->hdr_offset); - } - - mtr_commit(&mtr); - } - -function_exit: - if (trunc_here) { - mlog_write_ulint(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_FREE, - trunc_here - undo_page, MLOG_2BYTES, &mtr); - } - - mtr_commit(&mtr); -} - -/***********************************************************************//** -Truncates an undo log from the start. This function is used during a purge -operation. */ -UNIV_INTERN -void -trx_undo_truncate_start( -/*====================*/ - trx_rseg_t* rseg, /*!< in: rollback segment */ - ulint space, /*!< in: space id of the log */ - ulint hdr_page_no, /*!< in: header page number */ - ulint hdr_offset, /*!< in: header offset on the page */ - undo_no_t limit) /*!< in: all undo pages with - undo numbers < this value - should be truncated; NOTE that - the function only frees whole - pages; the header page is not - freed, but emptied, if all the - records there are < limit */ -{ - page_t* undo_page; - trx_undo_rec_t* rec; - trx_undo_rec_t* last_rec; - ulint page_no; - mtr_t mtr; - - ut_ad(mutex_own(&(rseg->mutex))); - - if (ut_dulint_is_zero(limit)) { - - return; - } -loop: - mtr_start(&mtr); - - rec = trx_undo_get_first_rec(space, rseg->zip_size, - hdr_page_no, hdr_offset, - RW_X_LATCH, &mtr); - if (rec == NULL) { - /* Already empty */ - - mtr_commit(&mtr); - - return; - } - - undo_page = page_align(rec); - - last_rec = trx_undo_page_get_last_rec(undo_page, hdr_page_no, - hdr_offset); - if (ut_dulint_cmp(trx_undo_rec_get_undo_no(last_rec), limit) >= 0) { - - mtr_commit(&mtr); - - return; - } - - page_no = page_get_page_no(undo_page); - - if (page_no == hdr_page_no) { - trx_undo_empty_header_page(space, rseg->zip_size, - hdr_page_no, hdr_offset, - &mtr); - } else { - trx_undo_free_page(rseg, TRUE, space, hdr_page_no, - page_no, &mtr); - } - - mtr_commit(&mtr); - - goto loop; -} - -/**********************************************************************//** -Frees an undo log segment which is not in the history list. */ -static -void -trx_undo_seg_free( -/*==============*/ - trx_undo_t* undo) /*!< in: undo log */ -{ - trx_rseg_t* rseg; - fseg_header_t* file_seg; - trx_rsegf_t* rseg_header; - trx_usegf_t* seg_header; - ibool finished; - mtr_t mtr; - - rseg = undo->rseg; - - do { - - mtr_start(&mtr); - - ut_ad(!mutex_own(&kernel_mutex)); - - mutex_enter(&(rseg->mutex)); - - seg_header = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, - &mtr) + TRX_UNDO_SEG_HDR; - - file_seg = seg_header + TRX_UNDO_FSEG_HEADER; - - finished = fseg_free_step(file_seg, &mtr); - - if (finished) { - /* Update the rseg header */ - rseg_header = trx_rsegf_get( - rseg->space, rseg->zip_size, rseg->page_no, - &mtr); - trx_rsegf_set_nth_undo(rseg_header, undo->id, FIL_NULL, - &mtr); - } - - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - } while (!finished); -} - -/*========== UNDO LOG MEMORY COPY INITIALIZATION =====================*/ - -/********************************************************************//** -Creates and initializes an undo log memory object according to the values -in the header in file, when the database is started. The memory object is -inserted in the appropriate list of rseg. -@return own: the undo log memory object */ -static -trx_undo_t* -trx_undo_mem_create_at_db_start( -/*============================*/ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - ulint id, /*!< in: slot index within rseg */ - ulint page_no,/*!< in: undo log segment page number */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* undo_page; - trx_upagef_t* page_header; - trx_usegf_t* seg_header; - trx_ulogf_t* undo_header; - trx_undo_t* undo; - ulint type; - ulint state; - trx_id_t trx_id; - ulint offset; - fil_addr_t last_addr; - page_t* last_page; - trx_undo_rec_t* rec; - XID xid; - ibool xid_exists = FALSE; - - if (id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: undo->id is %lu\n", (ulong) id); - ut_error; - } - - undo_page = trx_undo_page_get(rseg->space, rseg->zip_size, - page_no, mtr); - - page_header = undo_page + TRX_UNDO_PAGE_HDR; - - type = mtr_read_ulint(page_header + TRX_UNDO_PAGE_TYPE, MLOG_2BYTES, - mtr); - seg_header = undo_page + TRX_UNDO_SEG_HDR; - - state = mach_read_from_2(seg_header + TRX_UNDO_STATE); - - offset = mach_read_from_2(seg_header + TRX_UNDO_LAST_LOG); - - undo_header = undo_page + offset; - - trx_id = mtr_read_dulint(undo_header + TRX_UNDO_TRX_ID, mtr); - - xid_exists = mtr_read_ulint(undo_header + TRX_UNDO_XID_EXISTS, - MLOG_1BYTE, mtr); - - /* Read X/Open XA transaction identification if it exists, or - set it to NULL. */ - - memset(&xid, 0, sizeof(xid)); - xid.formatID = -1; - - if (xid_exists == TRUE) { - trx_undo_read_xid(undo_header, &xid); - } - - mutex_enter(&(rseg->mutex)); - - undo = trx_undo_mem_create(rseg, id, type, trx_id, &xid, - page_no, offset); - mutex_exit(&(rseg->mutex)); - - undo->dict_operation = mtr_read_ulint( - undo_header + TRX_UNDO_DICT_TRANS, MLOG_1BYTE, mtr); - - undo->table_id = mtr_read_dulint(undo_header + TRX_UNDO_TABLE_ID, mtr); - undo->state = state; - undo->size = flst_get_len(seg_header + TRX_UNDO_PAGE_LIST, mtr); - - /* If the log segment is being freed, the page list is inconsistent! */ - if (state == TRX_UNDO_TO_FREE) { - - goto add_to_list; - } - - last_addr = flst_get_last(seg_header + TRX_UNDO_PAGE_LIST, mtr); - - undo->last_page_no = last_addr.page; - undo->top_page_no = last_addr.page; - - last_page = trx_undo_page_get(rseg->space, rseg->zip_size, - undo->last_page_no, mtr); - - rec = trx_undo_page_get_last_rec(last_page, page_no, offset); - - if (rec == NULL) { - undo->empty = TRUE; - } else { - undo->empty = FALSE; - undo->top_offset = rec - last_page; - undo->top_undo_no = trx_undo_rec_get_undo_no(rec); - } -add_to_list: - if (type == TRX_UNDO_INSERT) { - if (state != TRX_UNDO_CACHED) { - UT_LIST_ADD_LAST(undo_list, rseg->insert_undo_list, - undo); - } else { - UT_LIST_ADD_LAST(undo_list, rseg->insert_undo_cached, - undo); - } - } else { - ut_ad(type == TRX_UNDO_UPDATE); - if (state != TRX_UNDO_CACHED) { - UT_LIST_ADD_LAST(undo_list, rseg->update_undo_list, - undo); - } else { - UT_LIST_ADD_LAST(undo_list, rseg->update_undo_cached, - undo); - } - } - - return(undo); -} - -/********************************************************************//** -Initializes the undo log lists for a rollback segment memory copy. This -function is only called when the database is started or a new rollback -segment is created. -@return the combined size of undo log segments in pages */ -UNIV_INTERN -ulint -trx_undo_lists_init( -/*================*/ - trx_rseg_t* rseg) /*!< in: rollback segment memory object */ -{ - ulint page_no; - trx_undo_t* undo; - ulint size = 0; - trx_rsegf_t* rseg_header; - ulint i; - mtr_t mtr; - - UT_LIST_INIT(rseg->update_undo_list); - UT_LIST_INIT(rseg->update_undo_cached); - UT_LIST_INIT(rseg->insert_undo_list); - UT_LIST_INIT(rseg->insert_undo_cached); - - mtr_start(&mtr); - - rseg_header = trx_rsegf_get_new(rseg->space, rseg->zip_size, - rseg->page_no, &mtr); - - for (i = 0; i < TRX_RSEG_N_SLOTS; i++) { - page_no = trx_rsegf_get_nth_undo(rseg_header, i, &mtr); - - /* In forced recovery: try to avoid operations which look - at database pages; undo logs are rapidly changing data, and - the probability that they are in an inconsistent state is - high */ - - if (page_no != FIL_NULL - && srv_force_recovery < SRV_FORCE_NO_UNDO_LOG_SCAN) { - - undo = trx_undo_mem_create_at_db_start(rseg, i, - page_no, &mtr); - size += undo->size; - - mtr_commit(&mtr); - - mtr_start(&mtr); - - rseg_header = trx_rsegf_get( - rseg->space, rseg->zip_size, rseg->page_no, - &mtr); - } - } - - mtr_commit(&mtr); - - return(size); -} - -/********************************************************************//** -Creates and initializes an undo log memory object. -@return own: the undo log memory object */ -static -trx_undo_t* -trx_undo_mem_create( -/*================*/ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - ulint id, /*!< in: slot index within rseg */ - ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - trx_id_t trx_id, /*!< in: id of the trx for which the undo log - is created */ - const XID* xid, /*!< in: X/Open transaction identification */ - ulint page_no,/*!< in: undo log header page number */ - ulint offset) /*!< in: undo log header byte offset on page */ -{ - trx_undo_t* undo; - - ut_ad(mutex_own(&(rseg->mutex))); - - if (id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: undo->id is %lu\n", (ulong) id); - ut_error; - } - - undo = mem_alloc(sizeof(trx_undo_t)); - - if (undo == NULL) { - - return NULL; - } - - undo->id = id; - undo->type = type; - undo->state = TRX_UNDO_ACTIVE; - undo->del_marks = FALSE; - undo->trx_id = trx_id; - undo->xid = *xid; - - undo->dict_operation = FALSE; - - undo->rseg = rseg; - - undo->space = rseg->space; - undo->zip_size = rseg->zip_size; - undo->hdr_page_no = page_no; - undo->hdr_offset = offset; - undo->last_page_no = page_no; - undo->size = 1; - - undo->empty = TRUE; - undo->top_page_no = page_no; - undo->guess_block = NULL; - - return(undo); -} - -/********************************************************************//** -Initializes a cached undo log object for new use. */ -static -void -trx_undo_mem_init_for_reuse( -/*========================*/ - trx_undo_t* undo, /*!< in: undo log to init */ - trx_id_t trx_id, /*!< in: id of the trx for which the undo log - is created */ - const XID* xid, /*!< in: X/Open XA transaction identification*/ - ulint offset) /*!< in: undo log header byte offset on page */ -{ - ut_ad(mutex_own(&((undo->rseg)->mutex))); - - if (UNIV_UNLIKELY(undo->id >= TRX_RSEG_N_SLOTS)) { - fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", - (ulong) undo->id); - - mem_analyze_corruption(undo); - ut_error; - } - - undo->state = TRX_UNDO_ACTIVE; - undo->del_marks = FALSE; - undo->trx_id = trx_id; - undo->xid = *xid; - - undo->dict_operation = FALSE; - - undo->hdr_offset = offset; - undo->empty = TRUE; -} - -/********************************************************************//** -Frees an undo log memory copy. */ -UNIV_INTERN -void -trx_undo_mem_free( -/*==============*/ - trx_undo_t* undo) /*!< in: the undo object to be freed */ -{ - if (undo->id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: undo->id is %lu\n", (ulong) undo->id); - ut_error; - } - - mem_free(undo); -} - -/**********************************************************************//** -Creates a new undo log. -@return DB_SUCCESS if successful in creating the new undo lob object, -possible error codes are: DB_TOO_MANY_CONCURRENT_TRXS -DB_OUT_OF_FILE_SPACE DB_OUT_OF_MEMORY */ -static -ulint -trx_undo_create( -/*============*/ - trx_t* trx, /*!< in: transaction */ - trx_rseg_t* rseg, /*!< in: rollback segment memory copy */ - ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - trx_id_t trx_id, /*!< in: id of the trx for which the undo log - is created */ - const XID* xid, /*!< in: X/Open transaction identification*/ - trx_undo_t** undo, /*!< out: the new undo log object, undefined - * if did not succeed */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_rsegf_t* rseg_header; - ulint page_no; - ulint offset; - ulint id; - page_t* undo_page; - ulint err; - - ut_ad(mutex_own(&(rseg->mutex))); - - if (rseg->curr_size == rseg->max_size) { - - return(DB_OUT_OF_FILE_SPACE); - } - - rseg->curr_size++; - - rseg_header = trx_rsegf_get(rseg->space, rseg->zip_size, rseg->page_no, - mtr); - - err = trx_undo_seg_create(rseg, rseg_header, type, &id, - &undo_page, mtr); - - if (err != DB_SUCCESS) { - /* Did not succeed */ - - rseg->curr_size--; - - return(err); - } - - page_no = page_get_page_no(undo_page); - - offset = trx_undo_header_create(undo_page, trx_id, mtr); - - if (trx->support_xa) { - trx_undo_header_add_space_for_xid(undo_page, - undo_page + offset, mtr); - } - - *undo = trx_undo_mem_create(rseg, id, type, trx_id, xid, - page_no, offset); - if (*undo == NULL) { - - err = DB_OUT_OF_MEMORY; - } - - return(err); -} - -/*================ UNDO LOG ASSIGNMENT AND CLEANUP =====================*/ - -/********************************************************************//** -Reuses a cached undo log. -@return the undo log memory object, NULL if none cached */ -static -trx_undo_t* -trx_undo_reuse_cached( -/*==================*/ - trx_t* trx, /*!< in: transaction */ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - ulint type, /*!< in: type of the log: TRX_UNDO_INSERT or - TRX_UNDO_UPDATE */ - trx_id_t trx_id, /*!< in: id of the trx for which the undo log - is used */ - const XID* xid, /*!< in: X/Open XA transaction identification */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_undo_t* undo; - page_t* undo_page; - ulint offset; - - ut_ad(mutex_own(&(rseg->mutex))); - - if (type == TRX_UNDO_INSERT) { - - undo = UT_LIST_GET_FIRST(rseg->insert_undo_cached); - if (undo == NULL) { - - return(NULL); - } - - UT_LIST_REMOVE(undo_list, rseg->insert_undo_cached, undo); - } else { - ut_ad(type == TRX_UNDO_UPDATE); - - undo = UT_LIST_GET_FIRST(rseg->update_undo_cached); - if (undo == NULL) { - - return(NULL); - } - - UT_LIST_REMOVE(undo_list, rseg->update_undo_cached, undo); - } - - ut_ad(undo->size == 1); - - if (undo->id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", - (ulong) undo->id); - mem_analyze_corruption(undo); - ut_error; - } - - undo_page = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, mtr); - - if (type == TRX_UNDO_INSERT) { - offset = trx_undo_insert_header_reuse(undo_page, trx_id, mtr); - - if (trx->support_xa) { - trx_undo_header_add_space_for_xid( - undo_page, undo_page + offset, mtr); - } - } else { - ut_a(mach_read_from_2(undo_page + TRX_UNDO_PAGE_HDR - + TRX_UNDO_PAGE_TYPE) - == TRX_UNDO_UPDATE); - - offset = trx_undo_header_create(undo_page, trx_id, mtr); - - if (trx->support_xa) { - trx_undo_header_add_space_for_xid( - undo_page, undo_page + offset, mtr); - } - } - - trx_undo_mem_init_for_reuse(undo, trx_id, xid, offset); - - return(undo); -} - -/**********************************************************************//** -Marks an undo log header as a header of a data dictionary operation -transaction. */ -static -void -trx_undo_mark_as_dict_operation( -/*============================*/ - trx_t* trx, /*!< in: dict op transaction */ - trx_undo_t* undo, /*!< in: assigned undo log */ - mtr_t* mtr) /*!< in: mtr */ -{ - page_t* hdr_page; - - hdr_page = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, mtr); - - switch (trx_get_dict_operation(trx)) { - case TRX_DICT_OP_NONE: - ut_error; - case TRX_DICT_OP_INDEX: - /* Do not discard the table on recovery. */ - undo->table_id = ut_dulint_zero; - break; - case TRX_DICT_OP_TABLE: - undo->table_id = trx->table_id; - break; - } - - mlog_write_ulint(hdr_page + undo->hdr_offset - + TRX_UNDO_DICT_TRANS, - TRUE, MLOG_1BYTE, mtr); - - mlog_write_dulint(hdr_page + undo->hdr_offset + TRX_UNDO_TABLE_ID, - undo->table_id, mtr); - - undo->dict_operation = TRUE; -} - -/**********************************************************************//** -Assigns an undo log for a transaction. A new undo log is created or a cached -undo log reused. -@return DB_SUCCESS if undo log assign successful, possible error codes -are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE -DB_OUT_OF_MEMORY */ -UNIV_INTERN -ulint -trx_undo_assign_undo( -/*=================*/ - trx_t* trx, /*!< in: transaction */ - ulint type) /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */ -{ - trx_rseg_t* rseg; - trx_undo_t* undo; - mtr_t mtr; - ulint err = DB_SUCCESS; - - ut_ad(trx); - ut_ad(trx->rseg); - - rseg = trx->rseg; - - ut_ad(mutex_own(&(trx->undo_mutex))); - - mtr_start(&mtr); - - ut_ad(!mutex_own(&kernel_mutex)); - - mutex_enter(&(rseg->mutex)); - - undo = trx_undo_reuse_cached(trx, rseg, type, trx->id, &trx->xid, - &mtr); - if (undo == NULL) { - err = trx_undo_create(trx, rseg, type, trx->id, &trx->xid, - &undo, &mtr); - if (err != DB_SUCCESS) { - - goto func_exit; - } - } - - if (type == TRX_UNDO_INSERT) { - UT_LIST_ADD_FIRST(undo_list, rseg->insert_undo_list, undo); - ut_ad(trx->insert_undo == NULL); - trx->insert_undo = undo; - } else { - UT_LIST_ADD_FIRST(undo_list, rseg->update_undo_list, undo); - ut_ad(trx->update_undo == NULL); - trx->update_undo = undo; - } - - if (trx_get_dict_operation(trx) != TRX_DICT_OP_NONE) { - trx_undo_mark_as_dict_operation(trx, undo, &mtr); - } - -func_exit: - mutex_exit(&(rseg->mutex)); - mtr_commit(&mtr); - - return err; -} - -/******************************************************************//** -Sets the state of the undo log segment at a transaction finish. -@return undo log segment header page, x-latched */ -UNIV_INTERN -page_t* -trx_undo_set_state_at_finish( -/*=========================*/ - trx_rseg_t* rseg, /*!< in: rollback segment memory object */ - trx_t* trx __attribute__((unused)), /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory copy */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_usegf_t* seg_hdr; - trx_upagef_t* page_hdr; - page_t* undo_page; - ulint state; - - ut_ad(trx); - ut_ad(undo); - ut_ad(mtr); - ut_ad(mutex_own(&rseg->mutex)); - - if (undo->id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", - (ulong) undo->id); - mem_analyze_corruption(undo); - ut_error; - } - - undo_page = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, mtr); - - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - - if (undo->size == 1 - && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) - < TRX_UNDO_PAGE_REUSE_LIMIT) { - - /* This is a heuristic to avoid the problem of all UNDO - slots ending up in one of the UNDO lists. Previously if - the server crashed with all the slots in one of the lists, - transactions that required the slots of a different type - would fail for lack of slots. */ - - if (UT_LIST_GET_LEN(rseg->update_undo_list) < 500 - && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { - - state = TRX_UNDO_CACHED; - } else { - state = TRX_UNDO_TO_FREE; - } - - } else if (undo->type == TRX_UNDO_INSERT) { - - state = TRX_UNDO_TO_FREE; - } else { - state = TRX_UNDO_TO_PURGE; - } - - undo->state = state; - - mlog_write_ulint(seg_hdr + TRX_UNDO_STATE, state, MLOG_2BYTES, mtr); - - return(undo_page); -} - -/******************************************************************//** -Sets the state of the undo log segment at a transaction prepare. -@return undo log segment header page, x-latched */ -UNIV_INTERN -page_t* -trx_undo_set_state_at_prepare( -/*==========================*/ - trx_t* trx, /*!< in: transaction */ - trx_undo_t* undo, /*!< in: undo log memory copy */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_usegf_t* seg_hdr; - trx_upagef_t* page_hdr; - trx_ulogf_t* undo_header; - page_t* undo_page; - ulint offset; - - ut_ad(trx && undo && mtr); - - if (undo->id >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, "InnoDB: Error: undo->id is %lu\n", - (ulong) undo->id); - mem_analyze_corruption(undo); - ut_error; - } - - undo_page = trx_undo_page_get(undo->space, undo->zip_size, - undo->hdr_page_no, mtr); - - seg_hdr = undo_page + TRX_UNDO_SEG_HDR; - page_hdr = undo_page + TRX_UNDO_PAGE_HDR; - - /*------------------------------*/ - undo->state = TRX_UNDO_PREPARED; - undo->xid = trx->xid; - /*------------------------------*/ - - mlog_write_ulint(seg_hdr + TRX_UNDO_STATE, undo->state, - MLOG_2BYTES, mtr); - - offset = mach_read_from_2(seg_hdr + TRX_UNDO_LAST_LOG); - undo_header = undo_page + offset; - - mlog_write_ulint(undo_header + TRX_UNDO_XID_EXISTS, - TRUE, MLOG_1BYTE, mtr); - - trx_undo_write_xid(undo_header, &undo->xid, mtr); - - return(undo_page); -} - -/**********************************************************************//** -Adds the update undo log header as the first in the history list, and -frees the memory object, or puts it to the list of cached update undo log -segments. */ -UNIV_INTERN -void -trx_undo_update_cleanup( -/*====================*/ - trx_t* trx, /*!< in: trx owning the update undo log */ - page_t* undo_page, /*!< in: update undo log header page, - x-latched */ - mtr_t* mtr) /*!< in: mtr */ -{ - trx_rseg_t* rseg; - trx_undo_t* undo; - - undo = trx->update_undo; - rseg = trx->rseg; - - ut_ad(mutex_own(&(rseg->mutex))); - - trx_purge_add_update_undo_to_history(trx, undo_page, mtr); - - UT_LIST_REMOVE(undo_list, rseg->update_undo_list, undo); - - trx->update_undo = NULL; - - if (undo->state == TRX_UNDO_CACHED) { - - UT_LIST_ADD_FIRST(undo_list, rseg->update_undo_cached, undo); - } else { - ut_ad(undo->state == TRX_UNDO_TO_PURGE); - - trx_undo_mem_free(undo); - } -} - -/******************************************************************//** -Frees or caches an insert undo log after a transaction commit or rollback. -Knowledge of inserts is not needed after a commit or rollback, therefore -the data can be discarded. */ -UNIV_INTERN -void -trx_undo_insert_cleanup( -/*====================*/ - trx_t* trx) /*!< in: transaction handle */ -{ - trx_undo_t* undo; - trx_rseg_t* rseg; - - undo = trx->insert_undo; - ut_ad(undo); - - rseg = trx->rseg; - - mutex_enter(&(rseg->mutex)); - - UT_LIST_REMOVE(undo_list, rseg->insert_undo_list, undo); - trx->insert_undo = NULL; - - if (undo->state == TRX_UNDO_CACHED) { - - UT_LIST_ADD_FIRST(undo_list, rseg->insert_undo_cached, undo); - } else { - ut_ad(undo->state == TRX_UNDO_TO_FREE); - - /* Delete first the undo log segment in the file */ - - mutex_exit(&(rseg->mutex)); - - trx_undo_seg_free(undo); - - mutex_enter(&(rseg->mutex)); - - ut_ad(rseg->curr_size > undo->size); - - rseg->curr_size -= undo->size; - - trx_undo_mem_free(undo); - } - - mutex_exit(&(rseg->mutex)); -} -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/usr/usr0sess.c b/perfschema/usr/usr0sess.c deleted file mode 100644 index 8087dcb4170..00000000000 --- a/perfschema/usr/usr0sess.c +++ /dev/null @@ -1,71 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file usr/usr0sess.c -Sessions - -Created 6/25/1996 Heikki Tuuri -*******************************************************/ - -#include "usr0sess.h" - -#ifdef UNIV_NONINL -#include "usr0sess.ic" -#endif - -#include "trx0trx.h" - -/*********************************************************************//** -Opens a session. -@return own: session object */ -UNIV_INTERN -sess_t* -sess_open(void) -/*===========*/ -{ - sess_t* sess; - - ut_ad(mutex_own(&kernel_mutex)); - - sess = mem_alloc(sizeof(sess_t)); - - sess->state = SESS_ACTIVE; - - sess->trx = trx_create(sess); - - UT_LIST_INIT(sess->graphs); - - return(sess); -} - -/*********************************************************************//** -Closes a session, freeing the memory occupied by it. */ -UNIV_INTERN -void -sess_close( -/*=======*/ - sess_t* sess) /*!< in, own: session object */ -{ - ut_ad(!mutex_own(&kernel_mutex)); - - ut_a(UT_LIST_GET_LEN(sess->graphs) == 0); - - trx_free_for_background(sess->trx); - mem_free(sess); -} diff --git a/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c b/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c deleted file mode 100644 index 30de5aa6f17..00000000000 --- a/perfschema/ut/ut0auxconf_atomic_pthread_t_gcc.c +++ /dev/null @@ -1,43 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -If this program compiles, then pthread_t objects can be used as arguments -to GCC atomic builtin functions. - -Created March 5, 2009 Vasil Dimov -*****************************************************************************/ - -#include -#include - -int -main(int argc, char** argv) -{ - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - __sync_bool_compare_and_swap(&x1, x2, x3); - - return(0); -} diff --git a/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c b/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c deleted file mode 100644 index 310603c7503..00000000000 --- a/perfschema/ut/ut0auxconf_atomic_pthread_t_solaris.c +++ /dev/null @@ -1,54 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -If this program compiles and returns 0, then pthread_t objects can be used as -arguments to Solaris libc atomic functions. - -Created April 18, 2009 Vasil Dimov -*****************************************************************************/ - -#include -#include - -int -main(int argc, char** argv) -{ - pthread_t x1; - pthread_t x2; - pthread_t x3; - - memset(&x1, 0x0, sizeof(x1)); - memset(&x2, 0x0, sizeof(x2)); - memset(&x3, 0x0, sizeof(x3)); - - if (sizeof(pthread_t) == 4) { - - atomic_cas_32(&x1, x2, x3); - - } else if (sizeof(pthread_t) == 8) { - - atomic_cas_64(&x1, x2, x3); - - } else { - - return(1); - } - - return(0); -} diff --git a/perfschema/ut/ut0auxconf_have_gcc_atomics.c b/perfschema/ut/ut0auxconf_have_gcc_atomics.c deleted file mode 100644 index da5c13d7d79..00000000000 --- a/perfschema/ut/ut0auxconf_have_gcc_atomics.c +++ /dev/null @@ -1,61 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -If this program compiles and returns 0, then GCC atomic funcions are available. - -Created September 12, 2009 Vasil Dimov -*****************************************************************************/ - -int -main(int argc, char** argv) -{ - long x; - long y; - long res; - char c; - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x, y); - if (!res || x != y) { - return(1); - } - - x = 10; - y = 123; - res = __sync_bool_compare_and_swap(&x, x + 1, y); - if (res || x != 10) { - return(1); - } - - x = 10; - y = 123; - res = __sync_add_and_fetch(&x, y); - if (res != 123 + 10 || x != 123 + 10) { - return(1); - } - - c = 10; - res = __sync_lock_test_and_set(&c, 123); - if (res != 10 || c != 123) { - return(1); - } - - return(0); -} diff --git a/perfschema/ut/ut0auxconf_have_solaris_atomics.c b/perfschema/ut/ut0auxconf_have_solaris_atomics.c deleted file mode 100644 index 7eb704edd4b..00000000000 --- a/perfschema/ut/ut0auxconf_have_solaris_atomics.c +++ /dev/null @@ -1,39 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -If this program compiles, then Solaris libc atomic funcions are available. - -Created April 18, 2009 Vasil Dimov -*****************************************************************************/ -#include - -int -main(int argc, char** argv) -{ - ulong_t ulong = 0; - uint32_t uint32 = 0; - uint64_t uint64 = 0; - - atomic_cas_ulong(&ulong, 0, 1); - atomic_cas_32(&uint32, 0, 1); - atomic_cas_64(&uint64, 0, 1); - atomic_add_long(&ulong, 0); - - return(0); -} diff --git a/perfschema/ut/ut0auxconf_pause.c b/perfschema/ut/ut0auxconf_pause.c deleted file mode 100644 index 54d63bdd9bc..00000000000 --- a/perfschema/ut/ut0auxconf_pause.c +++ /dev/null @@ -1,32 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -If this program compiles and can be run and returns 0, then the pause -instruction is available. - -Created Jul 21, 2009 Vasil Dimov -*****************************************************************************/ - -int -main(int argc, char** argv) -{ - __asm__ __volatile__ ("pause"); - - return(0); -} diff --git a/perfschema/ut/ut0auxconf_sizeof_pthread_t.c b/perfschema/ut/ut0auxconf_sizeof_pthread_t.c deleted file mode 100644 index 96add4526ef..00000000000 --- a/perfschema/ut/ut0auxconf_sizeof_pthread_t.c +++ /dev/null @@ -1,35 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************************** -This program should compile and when run, print a single line like: -#define SIZEOF_PTHREAD_T %d - -Created April 18, 2009 Vasil Dimov -*****************************************************************************/ - -#include -#include - -int -main(int argc, char** argv) -{ - printf("#define SIZEOF_PTHREAD_T %d\n", (int) sizeof(pthread_t)); - - return(0); -} diff --git a/perfschema/ut/ut0byte.c b/perfschema/ut/ut0byte.c deleted file mode 100644 index 4e093f72ce2..00000000000 --- a/perfschema/ut/ut0byte.c +++ /dev/null @@ -1,55 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************//** -@file ut/ut0byte.c -Byte utilities - -Created 5/11/1994 Heikki Tuuri -********************************************************************/ - -#include "ut0byte.h" - -#ifdef UNIV_NONINL -#include "ut0byte.ic" -#endif - -/** Zero value for a dulint */ -UNIV_INTERN const dulint ut_dulint_zero = {0, 0}; - -/** Maximum value for a dulint */ -UNIV_INTERN const dulint ut_dulint_max = {0xFFFFFFFFUL, 0xFFFFFFFFUL}; - -#ifdef notdefined /* unused code */ -#include "ut0sort.h" - -/************************************************************//** -Sort function for dulint arrays. */ -UNIV_INTERN -void -ut_dulint_sort( -/*===========*/ - dulint* arr, /*!< in/out: array to be sorted */ - dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */ - ulint low, /*!< in: low bound of sort interval, inclusive */ - ulint high) /*!< in: high bound of sort interval, noninclusive */ -{ - UT_SORT_FUNCTION_BODY(ut_dulint_sort, arr, aux_arr, low, high, - ut_dulint_cmp); -} -#endif /* notdefined */ diff --git a/perfschema/ut/ut0dbg.c b/perfschema/ut/ut0dbg.c deleted file mode 100644 index 4484e6c36de..00000000000 --- a/perfschema/ut/ut0dbg.c +++ /dev/null @@ -1,187 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*****************************************************************//** -@file ut/ut0dbg.c -Debug utilities for Innobase. - -Created 1/30/1994 Heikki Tuuri -**********************************************************************/ - -#include "univ.i" -#include "ut0dbg.h" - -#if defined(__GNUC__) && (__GNUC__ > 2) -#else -/** This is used to eliminate compiler warnings */ -UNIV_INTERN ulint ut_dbg_zero = 0; -#endif - -#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads -will stop at the next ut_a() or ut_ad(). */ -UNIV_INTERN ibool ut_dbg_stop_threads = FALSE; -#endif -#ifdef __NETWARE__ -/** Flag for ignoring further assertion failures. This is set to TRUE -when on NetWare there happens an InnoDB assertion failure or other -fatal error condition that requires an immediate shutdown. */ -UNIV_INTERN ibool panic_shutdown = FALSE; -#elif !defined(UT_DBG_USE_ABORT) -/** A null pointer that will be dereferenced to trigger a memory trap */ -UNIV_INTERN ulint* ut_dbg_null_ptr = NULL; -#endif - -/*************************************************************//** -Report a failed assertion. */ -UNIV_INTERN -void -ut_dbg_assertion_failed( -/*====================*/ - const char* expr, /*!< in: the failed assertion (optional) */ - const char* file, /*!< in: source file containing the assertion */ - ulint line) /*!< in: line number of the assertion */ -{ - ut_print_timestamp(stderr); -#ifdef UNIV_HOTBACKUP - fprintf(stderr, " InnoDB: Assertion failure in file %s line %lu\n", - file, line); -#else /* UNIV_HOTBACKUP */ - fprintf(stderr, - " InnoDB: Assertion failure in thread %lu" - " in file %s line %lu\n", - os_thread_pf(os_thread_get_curr_id()), file, line); -#endif /* UNIV_HOTBACKUP */ - if (expr) { - fprintf(stderr, - "InnoDB: Failing assertion: %s\n", expr); - } - - fputs("InnoDB: We intentionally generate a memory trap.\n" - "InnoDB: Submit a detailed bug report" - " to http://bugs.mysql.com.\n" - "InnoDB: If you get repeated assertion failures" - " or crashes, even\n" - "InnoDB: immediately after the mysqld startup, there may be\n" - "InnoDB: corruption in the InnoDB tablespace. Please refer to\n" - "InnoDB: " REFMAN "forcing-recovery.html\n" - "InnoDB: about forcing recovery.\n", stderr); -#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) - ut_dbg_stop_threads = TRUE; -#endif -} - -#ifdef __NETWARE__ -/*************************************************************//** -Shut down MySQL/InnoDB after assertion failure. */ -UNIV_INTERN -void -ut_dbg_panic(void) -/*==============*/ -{ - if (!panic_shutdown) { - panic_shutdown = TRUE; - innobase_shutdown_for_mysql(); - } - exit(1); -} -#else /* __NETWARE__ */ -# if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) -/*************************************************************//** -Stop a thread after assertion failure. */ -UNIV_INTERN -void -ut_dbg_stop_thread( -/*===============*/ - const char* file, - ulint line) -{ -#ifndef UNIV_HOTBACKUP - fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n", - os_thread_pf(os_thread_get_curr_id()), file, line); - os_thread_sleep(1000000000); -#endif /* !UNIV_HOTBACKUP */ -} -# endif -#endif /* __NETWARE__ */ - -#ifdef UNIV_COMPILE_TEST_FUNCS - -#include -#include -#include - -#include - -#ifndef timersub -#define timersub(a, b, r) \ - do { \ - (r)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ - (r)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ - if ((r)->tv_usec < 0) { \ - (r)->tv_sec--; \ - (r)->tv_usec += 1000000; \ - } \ - } while (0) -#endif /* timersub */ - -/*******************************************************************//** -Resets a speedo (records the current time in it). */ -UNIV_INTERN -void -speedo_reset( -/*=========*/ - speedo_t* speedo) /*!< out: speedo */ -{ - gettimeofday(&speedo->tv, NULL); - - getrusage(RUSAGE_SELF, &speedo->ru); -} - -/*******************************************************************//** -Shows the time elapsed and usage statistics since the last reset of a -speedo. */ -UNIV_INTERN -void -speedo_show( -/*========*/ - const speedo_t* speedo) /*!< in: speedo */ -{ - struct rusage ru_now; - struct timeval tv_now; - struct timeval tv_diff; - - getrusage(RUSAGE_SELF, &ru_now); - - gettimeofday(&tv_now, NULL); - -#define PRINT_TIMEVAL(prefix, tvp) \ - fprintf(stderr, "%s% 5ld.%06ld sec\n", \ - prefix, (tvp)->tv_sec, (tvp)->tv_usec) - - timersub(&tv_now, &speedo->tv, &tv_diff); - PRINT_TIMEVAL("real", &tv_diff); - - timersub(&ru_now.ru_utime, &speedo->ru.ru_utime, &tv_diff); - PRINT_TIMEVAL("user", &tv_diff); - - timersub(&ru_now.ru_stime, &speedo->ru.ru_stime, &tv_diff); - PRINT_TIMEVAL("sys ", &tv_diff); -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ diff --git a/perfschema/ut/ut0list.c b/perfschema/ut/ut0list.c deleted file mode 100644 index 895a575c535..00000000000 --- a/perfschema/ut/ut0list.c +++ /dev/null @@ -1,194 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file ut/ut0list.c -A double-linked list - -Created 4/26/2006 Osku Salerma -************************************************************************/ - -#include "ut0list.h" -#ifdef UNIV_NONINL -#include "ut0list.ic" -#endif - -/****************************************************************//** -Create a new list. -@return list */ -UNIV_INTERN -ib_list_t* -ib_list_create(void) -/*=================*/ -{ - ib_list_t* list = mem_alloc(sizeof(ib_list_t)); - - list->first = NULL; - list->last = NULL; - list->is_heap_list = FALSE; - - return(list); -} - -/****************************************************************//** -Create a new list using the given heap. ib_list_free MUST NOT BE CALLED for -lists created with this function. -@return list */ -UNIV_INTERN -ib_list_t* -ib_list_create_heap( -/*================*/ - mem_heap_t* heap) /*!< in: memory heap to use */ -{ - ib_list_t* list = mem_heap_alloc(heap, sizeof(ib_list_t)); - - list->first = NULL; - list->last = NULL; - list->is_heap_list = TRUE; - - return(list); -} - -/****************************************************************//** -Free a list. */ -UNIV_INTERN -void -ib_list_free( -/*=========*/ - ib_list_t* list) /*!< in: list */ -{ - ut_a(!list->is_heap_list); - - /* We don't check that the list is empty because it's entirely valid - to e.g. have all the nodes allocated from a single heap that is then - freed after the list itself is freed. */ - - mem_free(list); -} - -/****************************************************************//** -Add the data to the start of the list. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_first( -/*==============*/ - ib_list_t* list, /*!< in: list */ - void* data, /*!< in: data */ - mem_heap_t* heap) /*!< in: memory heap to use */ -{ - return(ib_list_add_after(list, ib_list_get_first(list), data, heap)); -} - -/****************************************************************//** -Add the data to the end of the list. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_last( -/*=============*/ - ib_list_t* list, /*!< in: list */ - void* data, /*!< in: data */ - mem_heap_t* heap) /*!< in: memory heap to use */ -{ - return(ib_list_add_after(list, ib_list_get_last(list), data, heap)); -} - -/****************************************************************//** -Add the data after the indicated node. -@return new list node */ -UNIV_INTERN -ib_list_node_t* -ib_list_add_after( -/*==============*/ - ib_list_t* list, /*!< in: list */ - ib_list_node_t* prev_node, /*!< in: node preceding new node (can - be NULL) */ - void* data, /*!< in: data */ - mem_heap_t* heap) /*!< in: memory heap to use */ -{ - ib_list_node_t* node = mem_heap_alloc(heap, sizeof(ib_list_node_t)); - - node->data = data; - - if (!list->first) { - /* Empty list. */ - - ut_a(!prev_node); - - node->prev = NULL; - node->next = NULL; - - list->first = node; - list->last = node; - } else if (!prev_node) { - /* Start of list. */ - - node->prev = NULL; - node->next = list->first; - - list->first->prev = node; - - list->first = node; - } else { - /* Middle or end of list. */ - - node->prev = prev_node; - node->next = prev_node->next; - - prev_node->next = node; - - if (node->next) { - node->next->prev = node; - } else { - list->last = node; - } - } - - return(node); -} - -/****************************************************************//** -Remove the node from the list. */ -UNIV_INTERN -void -ib_list_remove( -/*===========*/ - ib_list_t* list, /*!< in: list */ - ib_list_node_t* node) /*!< in: node to remove */ -{ - if (node->prev) { - node->prev->next = node->next; - } else { - /* First item in list. */ - - ut_ad(list->first == node); - - list->first = node->next; - } - - if (node->next) { - node->next->prev = node->prev; - } else { - /* Last item in list. */ - - ut_ad(list->last == node); - - list->last = node->prev; - } -} diff --git a/perfschema/ut/ut0mem.c b/perfschema/ut/ut0mem.c deleted file mode 100644 index 35a325b9ccd..00000000000 --- a/perfschema/ut/ut0mem.c +++ /dev/null @@ -1,708 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/********************************************************************//** -@file ut/ut0mem.c -Memory primitives - -Created 5/11/1994 Heikki Tuuri -*************************************************************************/ - -#include "ut0mem.h" - -#ifdef UNIV_NONINL -#include "ut0mem.ic" -#endif - -#ifndef UNIV_HOTBACKUP -# include "os0thread.h" -# include "srv0srv.h" - -#include - -/** This struct is placed first in every allocated memory block */ -typedef struct ut_mem_block_struct ut_mem_block_t; - -/** The total amount of memory currently allocated from the operating -system with os_mem_alloc_large() or malloc(). Does not count malloc() -if srv_use_sys_malloc is set. Protected by ut_list_mutex. */ -UNIV_INTERN ulint ut_total_allocated_memory = 0; - -/** Mutex protecting ut_total_allocated_memory and ut_mem_block_list */ -UNIV_INTERN os_fast_mutex_t ut_list_mutex; - -/** Dynamically allocated memory block */ -struct ut_mem_block_struct{ - UT_LIST_NODE_T(ut_mem_block_t) mem_block_list; - /*!< mem block list node */ - ulint size; /*!< size of allocated memory */ - ulint magic_n;/*!< magic number (UT_MEM_MAGIC_N) */ -}; - -/** The value of ut_mem_block_struct::magic_n. Used in detecting -memory corruption. */ -#define UT_MEM_MAGIC_N 1601650166 - -/** List of all memory blocks allocated from the operating system -with malloc. Protected by ut_list_mutex. */ -static UT_LIST_BASE_NODE_T(ut_mem_block_t) ut_mem_block_list; - -/** Flag: has ut_mem_block_list been initialized? */ -static ibool ut_mem_block_list_inited = FALSE; - -/** A dummy pointer for generating a null pointer exception in -ut_malloc_low() */ -static ulint* ut_mem_null_ptr = NULL; - -/**********************************************************************//** -Initializes the mem block list at database startup. */ -UNIV_INTERN -void -ut_mem_init(void) -/*=============*/ -{ - ut_a(!ut_mem_block_list_inited); - os_fast_mutex_init(&ut_list_mutex); - UT_LIST_INIT(ut_mem_block_list); - ut_mem_block_list_inited = TRUE; -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined and set_to_zero is TRUE. -@return own: allocated memory */ -UNIV_INTERN -void* -ut_malloc_low( -/*==========*/ - ulint n, /*!< in: number of bytes to allocate */ - ibool set_to_zero, /*!< in: TRUE if allocated memory should be - set to zero if UNIV_SET_MEM_TO_ZERO is - defined */ - ibool assert_on_error)/*!< in: if TRUE, we crash mysqld if the - memory cannot be allocated */ -{ -#ifndef UNIV_HOTBACKUP - ulint retry_count; - void* ret; - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - ret = malloc(n); - ut_a(ret || !assert_on_error); - -#ifdef UNIV_SET_MEM_TO_ZERO - if (set_to_zero) { - memset(ret, '\0', n); - UNIV_MEM_ALLOC(ret, n); - } -#endif - return(ret); - } - - ut_ad((sizeof(ut_mem_block_t) % 8) == 0); /* check alignment ok */ - ut_a(ut_mem_block_list_inited); - - retry_count = 0; -retry: - os_fast_mutex_lock(&ut_list_mutex); - - ret = malloc(n + sizeof(ut_mem_block_t)); - - if (ret == NULL && retry_count < 60) { - if (retry_count == 0) { - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: Error: cannot allocate" - " %lu bytes of\n" - "InnoDB: memory with malloc!" - " Total allocated memory\n" - "InnoDB: by InnoDB %lu bytes." - " Operating system errno: %lu\n" - "InnoDB: Check if you should" - " increase the swap file or\n" - "InnoDB: ulimits of your operating system.\n" - "InnoDB: On FreeBSD check you" - " have compiled the OS with\n" - "InnoDB: a big enough maximum process size.\n" - "InnoDB: Note that in most 32-bit" - " computers the process\n" - "InnoDB: memory space is limited" - " to 2 GB or 4 GB.\n" - "InnoDB: We keep retrying" - " the allocation for 60 seconds...\n", - (ulong) n, (ulong) ut_total_allocated_memory, -#ifdef __WIN__ - (ulong) GetLastError() -#else - (ulong) errno -#endif - ); - } - - os_fast_mutex_unlock(&ut_list_mutex); - - /* Sleep for a second and retry the allocation; maybe this is - just a temporary shortage of memory */ - - os_thread_sleep(1000000); - - retry_count++; - - goto retry; - } - - if (ret == NULL) { - /* Flush stderr to make more probable that the error - message gets in the error file before we generate a seg - fault */ - - fflush(stderr); - - os_fast_mutex_unlock(&ut_list_mutex); - - /* Make an intentional seg fault so that we get a stack - trace */ - /* Intentional segfault on NetWare causes an abend. Avoid this - by graceful exit handling in ut_a(). */ -#if (!defined __NETWARE__) - if (assert_on_error) { - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: We now intentionally" - " generate a seg fault so that\n" - "InnoDB: on Linux we get a stack trace.\n"); - - if (*ut_mem_null_ptr) ut_mem_null_ptr = 0; - } else { - return(NULL); - } -#else - ut_a(0); -#endif - } - - if (set_to_zero) { -#ifdef UNIV_SET_MEM_TO_ZERO - memset(ret, '\0', n + sizeof(ut_mem_block_t)); -#endif - } - - UNIV_MEM_ALLOC(ret, n + sizeof(ut_mem_block_t)); - - ((ut_mem_block_t*)ret)->size = n + sizeof(ut_mem_block_t); - ((ut_mem_block_t*)ret)->magic_n = UT_MEM_MAGIC_N; - - ut_total_allocated_memory += n + sizeof(ut_mem_block_t); - - UT_LIST_ADD_FIRST(mem_block_list, ut_mem_block_list, - ((ut_mem_block_t*)ret)); - os_fast_mutex_unlock(&ut_list_mutex); - - return((void*)((byte*)ret + sizeof(ut_mem_block_t))); -#else /* !UNIV_HOTBACKUP */ - void* ret = malloc(n); - ut_a(ret || !assert_on_error); - -# ifdef UNIV_SET_MEM_TO_ZERO - if (set_to_zero) { - memset(ret, '\0', n); - } -# endif - return(ret); -#endif /* !UNIV_HOTBACKUP */ -} - -/**********************************************************************//** -Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is -defined. -@return own: allocated memory */ -UNIV_INTERN -void* -ut_malloc( -/*======*/ - ulint n) /*!< in: number of bytes to allocate */ -{ -#ifndef UNIV_HOTBACKUP - return(ut_malloc_low(n, TRUE, TRUE)); -#else /* !UNIV_HOTBACKUP */ - return(malloc(n)); -#endif /* !UNIV_HOTBACKUP */ -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs -out. It cannot be used if we want to return an error message. Prints to -stderr a message if fails. -@return TRUE if succeeded */ -UNIV_INTERN -ibool -ut_test_malloc( -/*===========*/ - ulint n) /*!< in: try to allocate this many bytes */ -{ - void* ret; - - ret = malloc(n); - - if (ret == NULL) { - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: cannot allocate" - " %lu bytes of memory for\n" - "InnoDB: a BLOB with malloc! Total allocated memory\n" - "InnoDB: by InnoDB %lu bytes." - " Operating system errno: %d\n" - "InnoDB: Check if you should increase" - " the swap file or\n" - "InnoDB: ulimits of your operating system.\n" - "InnoDB: On FreeBSD check you have" - " compiled the OS with\n" - "InnoDB: a big enough maximum process size.\n", - (ulong) n, - (ulong) ut_total_allocated_memory, - (int) errno); - return(FALSE); - } - - free(ret); - - return(TRUE); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Frees a memory block allocated with ut_malloc. */ -UNIV_INTERN -void -ut_free( -/*====*/ - void* ptr) /*!< in, own: memory block */ -{ -#ifndef UNIV_HOTBACKUP - ut_mem_block_t* block; - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - free(ptr); - return; - } - - block = (ut_mem_block_t*)((byte*)ptr - sizeof(ut_mem_block_t)); - - os_fast_mutex_lock(&ut_list_mutex); - - ut_a(block->magic_n == UT_MEM_MAGIC_N); - ut_a(ut_total_allocated_memory >= block->size); - - ut_total_allocated_memory -= block->size; - - UT_LIST_REMOVE(mem_block_list, ut_mem_block_list, block); - free(block); - - os_fast_mutex_unlock(&ut_list_mutex); -#else /* !UNIV_HOTBACKUP */ - free(ptr); -#endif /* !UNIV_HOTBACKUP */ -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not -use this function because the allocation functions in mem0mem.h are the -recommended ones in InnoDB. - -man realloc in Linux, 2004: - - realloc() changes the size of the memory block pointed to - by ptr to size bytes. The contents will be unchanged to - the minimum of the old and new sizes; newly allocated mem- - ory will be uninitialized. If ptr is NULL, the call is - equivalent to malloc(size); if size is equal to zero, the - call is equivalent to free(ptr). Unless ptr is NULL, it - must have been returned by an earlier call to malloc(), - calloc() or realloc(). - -RETURN VALUE - realloc() returns a pointer to the newly allocated memory, - which is suitably aligned for any kind of variable and may - be different from ptr, or NULL if the request fails. If - size was equal to 0, either NULL or a pointer suitable to - be passed to free() is returned. If realloc() fails the - original block is left untouched - it is not freed or - moved. -@return own: pointer to new mem block or NULL */ -UNIV_INTERN -void* -ut_realloc( -/*=======*/ - void* ptr, /*!< in: pointer to old block or NULL */ - ulint size) /*!< in: desired size */ -{ - ut_mem_block_t* block; - ulint old_size; - ulint min_size; - void* new_ptr; - - if (UNIV_LIKELY(srv_use_sys_malloc)) { - return(realloc(ptr, size)); - } - - if (ptr == NULL) { - - return(ut_malloc(size)); - } - - if (size == 0) { - ut_free(ptr); - - return(NULL); - } - - block = (ut_mem_block_t*)((byte*)ptr - sizeof(ut_mem_block_t)); - - ut_a(block->magic_n == UT_MEM_MAGIC_N); - - old_size = block->size - sizeof(ut_mem_block_t); - - if (size < old_size) { - min_size = size; - } else { - min_size = old_size; - } - - new_ptr = ut_malloc(size); - - if (new_ptr == NULL) { - - return(NULL); - } - - /* Copy the old data from ptr */ - ut_memcpy(new_ptr, ptr, min_size); - - ut_free(ptr); - - return(new_ptr); -} - -/**********************************************************************//** -Frees in shutdown all allocated memory not freed yet. */ -UNIV_INTERN -void -ut_free_all_mem(void) -/*=================*/ -{ - ut_mem_block_t* block; - - ut_a(ut_mem_block_list_inited); - ut_mem_block_list_inited = FALSE; - os_fast_mutex_free(&ut_list_mutex); - - while ((block = UT_LIST_GET_FIRST(ut_mem_block_list))) { - - ut_a(block->magic_n == UT_MEM_MAGIC_N); - ut_a(ut_total_allocated_memory >= block->size); - - ut_total_allocated_memory -= block->size; - - UT_LIST_REMOVE(mem_block_list, ut_mem_block_list, block); - free(block); - } - - if (ut_total_allocated_memory != 0) { - fprintf(stderr, - "InnoDB: Warning: after shutdown" - " total allocated memory is %lu\n", - (ulong) ut_total_allocated_memory); - } - - ut_mem_block_list_inited = FALSE; -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************************//** -Copies up to size - 1 characters from the NUL-terminated string src to -dst, NUL-terminating the result. Returns strlen(src), so truncation -occurred if the return value >= size. -@return strlen(src) */ -UNIV_INTERN -ulint -ut_strlcpy( -/*=======*/ - char* dst, /*!< in: destination buffer */ - const char* src, /*!< in: source buffer */ - ulint size) /*!< in: size of destination buffer */ -{ - ulint src_size = strlen(src); - - if (size != 0) { - ulint n = ut_min(src_size, size - 1); - - memcpy(dst, src, n); - dst[n] = '\0'; - } - - return(src_size); -} - -/**********************************************************************//** -Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last -(size - 1) bytes of src, not the first. -@return strlen(src) */ -UNIV_INTERN -ulint -ut_strlcpy_rev( -/*===========*/ - char* dst, /*!< in: destination buffer */ - const char* src, /*!< in: source buffer */ - ulint size) /*!< in: size of destination buffer */ -{ - ulint src_size = strlen(src); - - if (size != 0) { - ulint n = ut_min(src_size, size - 1); - - memcpy(dst, src + src_size - n, n + 1); - } - - return(src_size); -} - -/**********************************************************************//** -Make a quoted copy of a NUL-terminated string. Leading and trailing -quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_memcpyq(). -@return pointer to end of dest */ -UNIV_INTERN -char* -ut_strcpyq( -/*=======*/ - char* dest, /*!< in: output buffer */ - char q, /*!< in: the quote character */ - const char* src) /*!< in: null-terminated string */ -{ - while (*src) { - if ((*dest++ = *src++) == q) { - *dest++ = q; - } - } - - return(dest); -} - -/**********************************************************************//** -Make a quoted copy of a fixed-length string. Leading and trailing -quotes will not be included; only embedded quotes will be escaped. -See also ut_strlenq() and ut_strcpyq(). -@return pointer to end of dest */ -UNIV_INTERN -char* -ut_memcpyq( -/*=======*/ - char* dest, /*!< in: output buffer */ - char q, /*!< in: the quote character */ - const char* src, /*!< in: string to be quoted */ - ulint len) /*!< in: length of src */ -{ - const char* srcend = src + len; - - while (src < srcend) { - if ((*dest++ = *src++) == q) { - *dest++ = q; - } - } - - return(dest); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Return the number of times s2 occurs in s1. Overlapping instances of s2 -are only counted once. -@return the number of times s2 occurs in s1 */ -UNIV_INTERN -ulint -ut_strcount( -/*========*/ - const char* s1, /*!< in: string to search in */ - const char* s2) /*!< in: string to search for */ -{ - ulint count = 0; - ulint len = strlen(s2); - - if (len == 0) { - - return(0); - } - - for (;;) { - s1 = strstr(s1, s2); - - if (!s1) { - - break; - } - - count++; - s1 += len; - } - - return(count); -} - -/**********************************************************************//** -Replace every occurrence of s1 in str with s2. Overlapping instances of s1 -are only replaced once. -@return own: modified string, must be freed with mem_free() */ -UNIV_INTERN -char* -ut_strreplace( -/*==========*/ - const char* str, /*!< in: string to operate on */ - const char* s1, /*!< in: string to replace */ - const char* s2) /*!< in: string to replace s1 with */ -{ - char* new_str; - char* ptr; - const char* str_end; - ulint str_len = strlen(str); - ulint s1_len = strlen(s1); - ulint s2_len = strlen(s2); - ulint count = 0; - int len_delta = (int)s2_len - (int)s1_len; - - str_end = str + str_len; - - if (len_delta <= 0) { - len_delta = 0; - } else { - count = ut_strcount(str, s1); - } - - new_str = mem_alloc(str_len + count * len_delta + 1); - ptr = new_str; - - while (str) { - const char* next = strstr(str, s1); - - if (!next) { - next = str_end; - } - - memcpy(ptr, str, next - str); - ptr += next - str; - - if (next == str_end) { - - break; - } - - memcpy(ptr, s2, s2_len); - ptr += s2_len; - - str = next + s1_len; - } - - *ptr = '\0'; - - return(new_str); -} - -#ifdef UNIV_COMPILE_TEST_FUNCS - -void -test_ut_str_sql_format() -{ - char buf[128]; - ulint ret; - -#define CALL_AND_TEST(str, str_len, buf, buf_size, ret_expected, buf_expected)\ - do {\ - ibool ok = TRUE;\ - memset(buf, 'x', 10);\ - buf[10] = '\0';\ - fprintf(stderr, "TESTING \"%s\", %lu, %lu\n",\ - str, (ulint) str_len, (ulint) buf_size);\ - ret = ut_str_sql_format(str, str_len, buf, buf_size);\ - if (ret != ret_expected) {\ - fprintf(stderr, "expected ret %lu, got %lu\n",\ - (ulint) ret_expected, ret);\ - ok = FALSE;\ - }\ - if (strcmp((char*) buf, buf_expected) != 0) {\ - fprintf(stderr, "expected buf \"%s\", got \"%s\"\n",\ - buf_expected, buf);\ - ok = FALSE;\ - }\ - if (ok) {\ - fprintf(stderr, "OK: %lu, \"%s\"\n\n",\ - (ulint) ret, buf);\ - } else {\ - return;\ - }\ - } while (0) - - CALL_AND_TEST("abcd", 4, buf, 0, 0, "xxxxxxxxxx"); - - CALL_AND_TEST("abcd", 4, buf, 1, 1, ""); - - CALL_AND_TEST("abcd", 4, buf, 2, 1, ""); - - CALL_AND_TEST("abcd", 0, buf, 3, 3, "''"); - CALL_AND_TEST("abcd", 1, buf, 3, 1, ""); - CALL_AND_TEST("abcd", 2, buf, 3, 1, ""); - CALL_AND_TEST("abcd", 3, buf, 3, 1, ""); - CALL_AND_TEST("abcd", 4, buf, 3, 1, ""); - - CALL_AND_TEST("abcd", 0, buf, 4, 3, "''"); - CALL_AND_TEST("abcd", 1, buf, 4, 4, "'a'"); - CALL_AND_TEST("abcd", 2, buf, 4, 4, "'a'"); - CALL_AND_TEST("abcd", 3, buf, 4, 4, "'a'"); - CALL_AND_TEST("abcd", 4, buf, 4, 4, "'a'"); - CALL_AND_TEST("abcde", 5, buf, 4, 4, "'a'"); - CALL_AND_TEST("'", 1, buf, 4, 3, "''"); - CALL_AND_TEST("''", 2, buf, 4, 3, "''"); - CALL_AND_TEST("a'", 2, buf, 4, 4, "'a'"); - CALL_AND_TEST("'a", 2, buf, 4, 3, "''"); - CALL_AND_TEST("ab", 2, buf, 4, 4, "'a'"); - - CALL_AND_TEST("abcdef", 0, buf, 5, 3, "''"); - CALL_AND_TEST("abcdef", 1, buf, 5, 4, "'a'"); - CALL_AND_TEST("abcdef", 2, buf, 5, 5, "'ab'"); - CALL_AND_TEST("abcdef", 3, buf, 5, 5, "'ab'"); - CALL_AND_TEST("abcdef", 4, buf, 5, 5, "'ab'"); - CALL_AND_TEST("abcdef", 5, buf, 5, 5, "'ab'"); - CALL_AND_TEST("abcdef", 6, buf, 5, 5, "'ab'"); - CALL_AND_TEST("'", 1, buf, 5, 5, "''''"); - CALL_AND_TEST("''", 2, buf, 5, 5, "''''"); - CALL_AND_TEST("a'", 2, buf, 5, 4, "'a'"); - CALL_AND_TEST("'a", 2, buf, 5, 5, "''''"); - CALL_AND_TEST("ab", 2, buf, 5, 5, "'ab'"); - CALL_AND_TEST("abc", 3, buf, 5, 5, "'ab'"); - - CALL_AND_TEST("ab", 2, buf, 6, 5, "'ab'"); - - CALL_AND_TEST("a'b'c", 5, buf, 32, 10, "'a''b''c'"); - CALL_AND_TEST("a'b'c'", 6, buf, 32, 12, "'a''b''c'''"); -} - -#endif /* UNIV_COMPILE_TEST_FUNCS */ -#endif /* !UNIV_HOTBACKUP */ diff --git a/perfschema/ut/ut0rbt.c b/perfschema/ut/ut0rbt.c deleted file mode 100644 index 3279307308f..00000000000 --- a/perfschema/ut/ut0rbt.c +++ /dev/null @@ -1,1231 +0,0 @@ -/********************************************************************** -Red-Black tree implementation - -(c) 2007 Oracle/Innobase Oy - -Created 2007-03-20 Sunny Bains -***********************************************************************/ - -#include "ut0rbt.h" - -/************************************************************************ -Definition of a red-black tree -============================== - -A red-black tree is a binary search tree which has the following -red-black properties: - - 1. Every node is either red or black. - 2. Every leaf (NULL - in our case tree->nil) is black. - 3. If a node is red, then both its children are black. - 4. Every simple path from a node to a descendant leaf contains the - same number of black nodes. - - from (3) above, the implication is that on any path from the root - to a leaf, red nodes must not be adjacent. - - However, any number of black nodes may appear in a sequence. - */ - -#if defined(IB_RBT_TESTING) -#warning "Testing enabled!" -#endif - -#define ROOT(t) (t->root->left) -#define SIZEOF_NODE(t) ((sizeof(ib_rbt_node_t) + t->sizeof_value) - 1) - -/************************************************************************ -Print out the sub-tree recursively. */ -static -void -rbt_print_subtree( -/*==============*/ - const ib_rbt_t* tree, /*!< in: tree to traverse */ - const ib_rbt_node_t* node, /*!< in: node to print */ - ib_rbt_print_node print) /*!< in: print key function */ -{ - /* FIXME: Doesn't do anything yet */ - if (node != tree->nil) { - print(node); - rbt_print_subtree(tree, node->left, print); - rbt_print_subtree(tree, node->right, print); - } -} - -/************************************************************************ -Verify that the keys are in order. -@return TRUE of OK. FALSE if not ordered */ -static -ibool -rbt_check_ordering( -/*===============*/ - const ib_rbt_t* tree) /*!< in: tree to verfify */ -{ - const ib_rbt_node_t* node; - const ib_rbt_node_t* prev = NULL; - - /* Iterate over all the nodes, comparing each node with the prev */ - for (node = rbt_first(tree); node; node = rbt_next(tree, prev)) { - - if (prev && tree->compare(prev->value, node->value) >= 0) { - return(FALSE); - } - - prev = node; - } - - return(TRUE); -} - -/************************************************************************ -Check that every path from the root to the leaves has the same count. -Count is expressed in the number of black nodes. -@return 0 on failure else black height of the subtree */ -static -ibool -rbt_count_black_nodes( -/*==================*/ - const ib_rbt_t* tree, /*!< in: tree to verify */ - const ib_rbt_node_t* node) /*!< in: start of sub-tree */ -{ - ulint result; - - if (node != tree->nil) { - ulint left_height = rbt_count_black_nodes(tree, node->left); - - ulint right_height = rbt_count_black_nodes(tree, node->right); - - if (left_height == 0 - || right_height == 0 - || left_height != right_height) { - - result = 0; - } else if (node->color == IB_RBT_RED) { - - /* Case 3 */ - if (node->left->color != IB_RBT_BLACK - || node->right->color != IB_RBT_BLACK) { - - result = 0; - } else { - result = left_height; - } - /* Check if it's anything other than RED or BLACK. */ - } else if (node->color != IB_RBT_BLACK) { - - result = 0; - } else { - - result = right_height + 1; - } - } else { - result = 1; - } - - return(result); -} - -/************************************************************************ -Turn the node's right child's left sub-tree into node's right sub-tree. -This will also make node's right child it's parent. */ -static -void -rbt_rotate_left( -/*============*/ - const ib_rbt_node_t* nil, /*!< in: nil node of the tree */ - ib_rbt_node_t* node) /*!< in: node to rotate */ -{ - ib_rbt_node_t* right = node->right; - - node->right = right->left; - - if (right->left != nil) { - right->left->parent = node; - } - - /* Right's new parent was node's parent. */ - right->parent = node->parent; - - /* Since root's parent is tree->nil and root->parent->left points - back to root, we can avoid the check. */ - if (node == node->parent->left) { - /* Node was on the left of its parent. */ - node->parent->left = right; - } else { - /* Node must have been on the right. */ - node->parent->right = right; - } - - /* Finally, put node on right's left. */ - right->left = node; - node->parent = right; -} - -/************************************************************************ -Turn the node's left child's right sub-tree into node's left sub-tree. -This also make node's left child it's parent. */ -static -void -rbt_rotate_right( -/*=============*/ - const ib_rbt_node_t* nil, /*!< in: nil node of tree */ - ib_rbt_node_t* node) /*!< in: node to rotate */ -{ - ib_rbt_node_t* left = node->left; - - node->left = left->right; - - if (left->right != nil) { - left->right->parent = node; - } - - /* Left's new parent was node's parent. */ - left->parent = node->parent; - - /* Since root's parent is tree->nil and root->parent->left points - back to root, we can avoid the check. */ - if (node == node->parent->right) { - /* Node was on the left of its parent. */ - node->parent->right = left; - } else { - /* Node must have been on the left. */ - node->parent->left = left; - } - - /* Finally, put node on left's right. */ - left->right = node; - node->parent = left; -} - -/************************************************************************ -Append a node to the tree. */ -static -ib_rbt_node_t* -rbt_tree_add_child( -/*===============*/ - const ib_rbt_t* tree, - ib_rbt_bound_t* parent, - ib_rbt_node_t* node) -{ - /* Cast away the const. */ - ib_rbt_node_t* last = (ib_rbt_node_t*) parent->last; - - if (last == tree->root || parent->result < 0) { - last->left = node; - } else { - /* FIXME: We don't handle duplicates (yet)! */ - ut_a(parent->result != 0); - - last->right = node; - } - - node->parent = last; - - return(node); -} - -/************************************************************************ -Generic binary tree insert */ -static -ib_rbt_node_t* -rbt_tree_insert( -/*============*/ - ib_rbt_t* tree, - const void* key, - ib_rbt_node_t* node) -{ - ib_rbt_bound_t parent; - ib_rbt_node_t* current = ROOT(tree); - - parent.result = 0; - parent.last = tree->root; - - /* Regular binary search. */ - while (current != tree->nil) { - - parent.last = current; - parent.result = tree->compare(key, current->value); - - if (parent.result < 0) { - current = current->left; - } else { - current = current->right; - } - } - - ut_a(current == tree->nil); - - rbt_tree_add_child(tree, &parent, node); - - return(node); -} - -/************************************************************************ -Balance a tree after inserting a node. */ -static -void -rbt_balance_tree( -/*=============*/ - const ib_rbt_t* tree, /*!< in: tree to balance */ - ib_rbt_node_t* node) /*!< in: node that was inserted */ -{ - const ib_rbt_node_t* nil = tree->nil; - ib_rbt_node_t* parent = node->parent; - - /* Restore the red-black property. */ - node->color = IB_RBT_RED; - - while (node != ROOT(tree) && parent->color == IB_RBT_RED) { - ib_rbt_node_t* grand_parent = parent->parent; - - if (parent == grand_parent->left) { - ib_rbt_node_t* uncle = grand_parent->right; - - if (uncle->color == IB_RBT_RED) { - - /* Case 1 - change the colors. */ - uncle->color = IB_RBT_BLACK; - parent->color = IB_RBT_BLACK; - grand_parent->color = IB_RBT_RED; - - /* Move node up the tree. */ - node = grand_parent; - - } else { - - if (node == parent->right) { - /* Right is a black node and node is - to the right, case 2 - move node - up and rotate. */ - node = parent; - rbt_rotate_left(nil, node); - } - - grand_parent = node->parent->parent; - - /* Case 3. */ - node->parent->color = IB_RBT_BLACK; - grand_parent->color = IB_RBT_RED; - - rbt_rotate_right(nil, grand_parent); - } - - } else { - ib_rbt_node_t* uncle = grand_parent->left; - - if (uncle->color == IB_RBT_RED) { - - /* Case 1 - change the colors. */ - uncle->color = IB_RBT_BLACK; - parent->color = IB_RBT_BLACK; - grand_parent->color = IB_RBT_RED; - - /* Move node up the tree. */ - node = grand_parent; - - } else { - - if (node == parent->left) { - /* Left is a black node and node is to - the right, case 2 - move node up and - rotate. */ - node = parent; - rbt_rotate_right(nil, node); - } - - grand_parent = node->parent->parent; - - /* Case 3. */ - node->parent->color = IB_RBT_BLACK; - grand_parent->color = IB_RBT_RED; - - rbt_rotate_left(nil, grand_parent); - } - } - - parent = node->parent; - } - - /* Color the root black. */ - ROOT(tree)->color = IB_RBT_BLACK; -} - -/************************************************************************ -Find the given node's successor. -@return successor node or NULL if no successor */ -static -ib_rbt_node_t* -rbt_find_successor( -/*===============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* current) /*!< in: this is declared const - because it can be called via - rbt_next() */ -{ - const ib_rbt_node_t* nil = tree->nil; - ib_rbt_node_t* next = current->right; - - /* Is there a sub-tree to the right that we can follow. */ - if (next != nil) { - - /* Follow the left most links of the current right child. */ - while (next->left != nil) { - next = next->left; - } - - } else { /* We will have to go up the tree to find the successor. */ - ib_rbt_node_t* parent = current->parent; - - /* Cast away the const. */ - next = (ib_rbt_node_t*) current; - - while (parent != tree->root && next == parent->right) { - next = parent; - parent = next->parent; - } - - next = (parent == tree->root) ? NULL : parent; - } - - return(next); -} - -/************************************************************************ -Find the given node's precedecessor. -@return predecessor node or NULL if no predecesor */ -static -ib_rbt_node_t* -rbt_find_predecessor( -/*=================*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* current) /*!< in: this is declared const - because it can be called via - rbt_prev() */ -{ - const ib_rbt_node_t* nil = tree->nil; - ib_rbt_node_t* prev = current->left; - - /* Is there a sub-tree to the left that we can follow. */ - if (prev != nil) { - - /* Follow the right most links of the current left child. */ - while (prev->right != nil) { - prev = prev->right; - } - - } else { /* We will have to go up the tree to find the precedecessor. */ - ib_rbt_node_t* parent = current->parent; - - /* Cast away the const. */ - prev = (ib_rbt_node_t*)current; - - while (parent != tree->root && prev == parent->left) { - prev = parent; - parent = prev->parent; - } - - prev = (parent == tree->root) ? NULL : parent; - } - - return(prev); -} - -/************************************************************************ -Replace node with child. After applying transformations eject becomes -an orphan. */ -static -void -rbt_eject_node( -/*===========*/ - ib_rbt_node_t* eject, /*!< in: node to eject */ - ib_rbt_node_t* node) /*!< in: node to replace with */ -{ - /* Update the to be ejected node's parent's child pointers. */ - if (eject->parent->left == eject) { - eject->parent->left = node; - } else if (eject->parent->right == eject) { - eject->parent->right = node; - } else { - ut_a(0); - } - /* eject is now an orphan but otherwise its pointers - and color are left intact. */ - - node->parent = eject->parent; -} - -/************************************************************************ -Replace a node with another node. */ -static -void -rbt_replace_node( -/*=============*/ - ib_rbt_node_t* replace, /*!< in: node to replace */ - ib_rbt_node_t* node) /*!< in: node to replace with */ -{ - ib_rbt_color_t color = node->color; - - /* Update the node pointers. */ - node->left = replace->left; - node->right = replace->right; - - /* Update the child node pointers. */ - node->left->parent = node; - node->right->parent = node; - - /* Make the parent of replace point to node. */ - rbt_eject_node(replace, node); - - /* Swap the colors. */ - node->color = replace->color; - replace->color = color; -} - -/************************************************************************ -Detach node from the tree replacing it with one of it's children. -@return the child node that now occupies the position of the detached node */ -static -ib_rbt_node_t* -rbt_detach_node( -/*============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_node_t* node) /*!< in: node to detach */ -{ - ib_rbt_node_t* child; - const ib_rbt_node_t* nil = tree->nil; - - if (node->left != nil && node->right != nil) { - /* Case where the node to be deleted has two children. */ - ib_rbt_node_t* successor = rbt_find_successor(tree, node); - - ut_a(successor != nil); - ut_a(successor->parent != nil); - ut_a(successor->left == nil); - - child = successor->right; - - /* Remove the successor node and replace with its child. */ - rbt_eject_node(successor, child); - - /* Replace the node to delete with its successor node. */ - rbt_replace_node(node, successor); - } else { - ut_a(node->left == nil || node->right == nil); - - child = (node->left != nil) ? node->left : node->right; - - /* Replace the node to delete with one of it's children. */ - rbt_eject_node(node, child); - } - - /* Reset the node links. */ - node->parent = node->right = node->left = tree->nil; - - return(child); -} - -/************************************************************************ -Rebalance the right sub-tree after deletion. -@return node to rebalance if more rebalancing required else NULL */ -static -ib_rbt_node_t* -rbt_balance_right( -/*==============*/ - const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ - ib_rbt_node_t* parent, /*!< in: parent node */ - ib_rbt_node_t* sibling) /*!< in: sibling node */ -{ - ib_rbt_node_t* node = NULL; - - ut_a(sibling != nil); - - /* Case 3. */ - if (sibling->color == IB_RBT_RED) { - - parent->color = IB_RBT_RED; - sibling->color = IB_RBT_BLACK; - - rbt_rotate_left(nil, parent); - - sibling = parent->right; - - ut_a(sibling != nil); - } - - /* Since this will violate case 3 because of the change above. */ - if (sibling->left->color == IB_RBT_BLACK - && sibling->right->color == IB_RBT_BLACK) { - - node = parent; /* Parent needs to be rebalanced too. */ - sibling->color = IB_RBT_RED; - - } else { - if (sibling->right->color == IB_RBT_BLACK) { - - ut_a(sibling->left->color == IB_RBT_RED); - - sibling->color = IB_RBT_RED; - sibling->left->color = IB_RBT_BLACK; - - rbt_rotate_right(nil, sibling); - - sibling = parent->right; - ut_a(sibling != nil); - } - - sibling->color = parent->color; - sibling->right->color = IB_RBT_BLACK; - - parent->color = IB_RBT_BLACK; - - rbt_rotate_left(nil, parent); - } - - return(node); -} - -/************************************************************************ -Rebalance the left sub-tree after deletion. -@return node to rebalance if more rebalancing required else NULL */ -static -ib_rbt_node_t* -rbt_balance_left( -/*=============*/ - const ib_rbt_node_t* nil, /*!< in: rb tree nil node */ - ib_rbt_node_t* parent, /*!< in: parent node */ - ib_rbt_node_t* sibling) /*!< in: sibling node */ -{ - ib_rbt_node_t* node = NULL; - - ut_a(sibling != nil); - - /* Case 3. */ - if (sibling->color == IB_RBT_RED) { - - parent->color = IB_RBT_RED; - sibling->color = IB_RBT_BLACK; - - rbt_rotate_right(nil, parent); - sibling = parent->left; - - ut_a(sibling != nil); - } - - /* Since this will violate case 3 because of the change above. */ - if (sibling->right->color == IB_RBT_BLACK - && sibling->left->color == IB_RBT_BLACK) { - - node = parent; /* Parent needs to be rebalanced too. */ - sibling->color = IB_RBT_RED; - - } else { - if (sibling->left->color == IB_RBT_BLACK) { - - ut_a(sibling->right->color == IB_RBT_RED); - - sibling->color = IB_RBT_RED; - sibling->right->color = IB_RBT_BLACK; - - rbt_rotate_left(nil, sibling); - - sibling = parent->left; - - ut_a(sibling != nil); - } - - sibling->color = parent->color; - sibling->left->color = IB_RBT_BLACK; - - parent->color = IB_RBT_BLACK; - - rbt_rotate_right(nil, parent); - } - - return(node); -} - -/************************************************************************ -Delete the node and rebalance the tree if necessary */ -static -void -rbt_remove_node_and_rebalance( -/*==========================*/ - ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_node_t* node) /*!< in: node to remove */ -{ - /* Detach node and get the node that will be used - as rebalance start. */ - ib_rbt_node_t* child = rbt_detach_node(tree, node); - - if (node->color == IB_RBT_BLACK) { - ib_rbt_node_t* last = child; - - ROOT(tree)->color = IB_RBT_RED; - - while (child && child->color == IB_RBT_BLACK) { - ib_rbt_node_t* parent = child->parent; - - /* Did the deletion cause an imbalance in the - parents left sub-tree. */ - if (parent->left == child) { - - child = rbt_balance_right( - tree->nil, parent, parent->right); - - } else if (parent->right == child) { - - child = rbt_balance_left( - tree->nil, parent, parent->left); - - } else { - ut_error; - } - - if (child) { - last = child; - } - } - - ut_a(last); - - last->color = IB_RBT_BLACK; - ROOT(tree)->color = IB_RBT_BLACK; - } - - /* Note that we have removed a node from the tree. */ - --tree->n_nodes; -} - -/************************************************************************ -Recursively free the nodes. */ -static -void -rbt_free_node( -/*==========*/ - ib_rbt_node_t* node, /*!< in: node to free */ - ib_rbt_node_t* nil) /*!< in: rb tree nil node */ -{ - if (node != nil) { - rbt_free_node(node->left, nil); - rbt_free_node(node->right, nil); - - ut_free(node); - } -} - -/************************************************************************ -Free all the nodes and free the tree. */ -UNIV_INTERN -void -rbt_free( -/*=====*/ - ib_rbt_t* tree) /*!< in: rb tree to free */ -{ - rbt_free_node(tree->root, tree->nil); - ut_free(tree->nil); - ut_free(tree); -} - -/************************************************************************ -Create an instance of a red black tree. -@return an empty rb tree */ -UNIV_INTERN -ib_rbt_t* -rbt_create( -/*=======*/ - size_t sizeof_value, /*!< in: sizeof data item */ - ib_rbt_compare compare) /*!< in: fn to compare items */ -{ - ib_rbt_t* tree; - ib_rbt_node_t* node; - - tree = (ib_rbt_t*) ut_malloc(sizeof(*tree)); - memset(tree, 0, sizeof(*tree)); - - tree->sizeof_value = sizeof_value; - - /* Create the sentinel (NIL) node. */ - node = tree->nil = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); - memset(node, 0, sizeof(*node)); - - node->color = IB_RBT_BLACK; - node->parent = node->left = node->right = node; - - /* Create the "fake" root, the real root node will be the - left child of this node. */ - node = tree->root = (ib_rbt_node_t*) ut_malloc(sizeof(*node)); - memset(node, 0, sizeof(*node)); - - node->color = IB_RBT_BLACK; - node->parent = node->left = node->right = tree->nil; - - tree->compare = compare; - - return(tree); -} - -/************************************************************************ -Generic insert of a value in the rb tree. -@return inserted node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_insert( -/*=======*/ - ib_rbt_t* tree, /*!< in: rb tree */ - const void* key, /*!< in: key for ordering */ - const void* value) /*!< in: value of key, this value - is copied to the node */ -{ - ib_rbt_node_t* node; - - /* Create the node that will hold the value data. */ - node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); - - memcpy(node->value, value, tree->sizeof_value); - node->parent = node->left = node->right = tree->nil; - - /* Insert in the tree in the usual way. */ - rbt_tree_insert(tree, key, node); - rbt_balance_tree(tree, node); - - ++tree->n_nodes; - - return(node); -} - -/************************************************************************ -Add a new node to the tree, useful for data that is pre-sorted. -@return appended node */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_add_node( -/*=========*/ - ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: bounds */ - const void* value) /*!< in: this value is copied - to the node */ -{ - ib_rbt_node_t* node; - - /* Create the node that will hold the value data */ - node = (ib_rbt_node_t*) ut_malloc(SIZEOF_NODE(tree)); - - memcpy(node->value, value, tree->sizeof_value); - node->parent = node->left = node->right = tree->nil; - - /* If tree is empty */ - if (parent->last == NULL) { - parent->last = tree->root; - } - - /* Append the node, the hope here is that the caller knows - what s/he is doing. */ - rbt_tree_add_child(tree, parent, node); - rbt_balance_tree(tree, node); - - ++tree->n_nodes; - -#if defined(IB_RBT_TESTING) - ut_a(rbt_validate(tree)); -#endif - return(node); -} - -/************************************************************************ -Find a matching node in the rb tree. -@return NULL if not found else the node where key was found */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_lookup( -/*=======*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const void* key) /*!< in: key to use for search */ -{ - const ib_rbt_node_t* current = ROOT(tree); - - /* Regular binary search. */ - while (current != tree->nil) { - int result = tree->compare(key, current->value); - - if (result < 0) { - current = current->left; - } else if (result > 0) { - current = current->right; - } else { - break; - } - } - - return(current != tree->nil ? current : NULL); -} - -/************************************************************************ -Delete a node indentified by key. -@return TRUE if success FALSE if not found */ -UNIV_INTERN -ibool -rbt_delete( -/*=======*/ - ib_rbt_t* tree, /*!< in: rb tree */ - const void* key) /*!< in: key to delete */ -{ - ibool deleted = FALSE; - ib_rbt_node_t* node = (ib_rbt_node_t*) rbt_lookup(tree, key); - - if (node) { - rbt_remove_node_and_rebalance(tree, node); - - ut_free(node); - deleted = TRUE; - } - - return(deleted); -} - -/************************************************************************ -Remove a node from the rb tree, the node is not free'd, that is the -callers responsibility. -@return deleted node but without the const */ -UNIV_INTERN -ib_rbt_node_t* -rbt_remove_node( -/*============*/ - ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* const_node) /*!< in: node to delete, this - is a fudge and declared const - because the caller can access - only const nodes */ -{ - /* Cast away the const. */ - rbt_remove_node_and_rebalance(tree, (ib_rbt_node_t*) const_node); - - /* This is to make it easier to do something like this: - ut_free(rbt_remove_node(node)); - */ - - return((ib_rbt_node_t*) const_node); -} - -/************************************************************************ -Find the node that has the lowest key that is >= key. -@return node satisfying the lower bound constraint or NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_lower_bound( -/*============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const void* key) /*!< in: key to search */ -{ - ib_rbt_node_t* lb_node = NULL; - ib_rbt_node_t* current = ROOT(tree); - - while (current != tree->nil) { - int result = tree->compare(key, current->value); - - if (result > 0) { - - current = current->right; - - } else if (result < 0) { - - lb_node = current; - current = current->left; - - } else { - lb_node = current; - break; - } - } - - return(lb_node); -} - -/************************************************************************ -Find the node that has the greatest key that is <= key. -@return node satisfying the upper bound constraint or NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_upper_bound( -/*============*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const void* key) /*!< in: key to search */ -{ - ib_rbt_node_t* ub_node = NULL; - ib_rbt_node_t* current = ROOT(tree); - - while (current != tree->nil) { - int result = tree->compare(key, current->value); - - if (result > 0) { - - ub_node = current; - current = current->right; - - } else if (result < 0) { - - current = current->left; - - } else { - ub_node = current; - break; - } - } - - return(ub_node); -} - -/************************************************************************ -Find the node that has the greatest key that is <= key. -@return value of result */ -UNIV_INTERN -int -rbt_search( -/*=======*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: search bounds */ - const void* key) /*!< in: key to search */ -{ - ib_rbt_node_t* current = ROOT(tree); - - /* Every thing is greater than the NULL root. */ - parent->result = 1; - parent->last = NULL; - - while (current != tree->nil) { - - parent->last = current; - parent->result = tree->compare(key, current->value); - - if (parent->result > 0) { - current = current->right; - } else if (parent->result < 0) { - current = current->left; - } else { - break; - } - } - - return(parent->result); -} - -/************************************************************************ -Find the node that has the greatest key that is <= key. But use the -supplied comparison function. -@return value of result */ -UNIV_INTERN -int -rbt_search_cmp( -/*===========*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - ib_rbt_bound_t* parent, /*!< in: search bounds */ - const void* key, /*!< in: key to search */ - ib_rbt_compare compare) /*!< in: fn to compare items */ -{ - ib_rbt_node_t* current = ROOT(tree); - - /* Every thing is greater than the NULL root. */ - parent->result = 1; - parent->last = NULL; - - while (current != tree->nil) { - - parent->last = current; - parent->result = compare(key, current->value); - - if (parent->result > 0) { - current = current->right; - } else if (parent->result < 0) { - current = current->left; - } else { - break; - } - } - - return(parent->result); -} - -/************************************************************************ -Return the left most node in the tree. */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_first( -/*======*/ - /* out leftmost node or NULL */ - const ib_rbt_t* tree) /* in: rb tree */ -{ - ib_rbt_node_t* first = NULL; - ib_rbt_node_t* current = ROOT(tree); - - while (current != tree->nil) { - first = current; - current = current->left; - } - - return(first); -} - -/************************************************************************ -Return the right most node in the tree. -@return the rightmost node or NULL */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_last( -/*=====*/ - const ib_rbt_t* tree) /*!< in: rb tree */ -{ - ib_rbt_node_t* last = NULL; - ib_rbt_node_t* current = ROOT(tree); - - while (current != tree->nil) { - last = current; - current = current->right; - } - - return(last); -} - -/************************************************************************ -Return the next node. -@return node next from current */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_next( -/*=====*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* current) /*!< in: current node */ -{ - return(current ? rbt_find_successor(tree, current) : NULL); -} - -/************************************************************************ -Return the previous node. -@return node prev from current */ -UNIV_INTERN -const ib_rbt_node_t* -rbt_prev( -/*=====*/ - const ib_rbt_t* tree, /*!< in: rb tree */ - const ib_rbt_node_t* current) /*!< in: current node */ -{ - return(current ? rbt_find_predecessor(tree, current) : NULL); -} - -/************************************************************************ -Reset the tree. Delete all the nodes. */ -UNIV_INTERN -void -rbt_clear( -/*======*/ - ib_rbt_t* tree) /*!< in: rb tree */ -{ - rbt_free_node(ROOT(tree), tree->nil); - - tree->n_nodes = 0; - tree->root->left = tree->root->right = tree->nil; -} - -/************************************************************************ -Merge the node from dst into src. Return the number of nodes merged. -@return no. of recs merged */ -UNIV_INTERN -ulint -rbt_merge_uniq( -/*===========*/ - ib_rbt_t* dst, /*!< in: dst rb tree */ - const ib_rbt_t* src) /*!< in: src rb tree */ -{ - ib_rbt_bound_t parent; - ulint n_merged = 0; - const ib_rbt_node_t* src_node = rbt_first(src); - - if (rbt_empty(src) || dst == src) { - return(0); - } - - for (/* No op */; src_node; src_node = rbt_next(src, src_node)) { - - if (rbt_search(dst, &parent, src_node->value) != 0) { - rbt_add_node(dst, &parent, src_node->value); - ++n_merged; - } - } - - return(n_merged); -} - -/************************************************************************ -Merge the node from dst into src. Return the number of nodes merged. -Delete the nodes from src after copying node to dst. As a side effect -the duplicates will be left untouched in the src. -@return no. of recs merged */ -UNIV_INTERN -ulint -rbt_merge_uniq_destructive( -/*=======================*/ - ib_rbt_t* dst, /*!< in: dst rb tree */ - ib_rbt_t* src) /*!< in: src rb tree */ -{ - ib_rbt_bound_t parent; - ib_rbt_node_t* src_node; - ulint old_size = rbt_size(dst); - - if (rbt_empty(src) || dst == src) { - return(0); - } - - for (src_node = (ib_rbt_node_t*) rbt_first(src); src_node; /* */) { - ib_rbt_node_t* prev = src_node; - - src_node = (ib_rbt_node_t*)rbt_next(src, prev); - - /* Skip duplicates. */ - if (rbt_search(dst, &parent, prev->value) != 0) { - - /* Remove and reset the node but preserve - the node (data) value. */ - rbt_remove_node_and_rebalance(src, prev); - - /* The nil should be taken from the dst tree. */ - prev->parent = prev->left = prev->right = dst->nil; - rbt_tree_add_child(dst, &parent, prev); - rbt_balance_tree(dst, prev); - - ++dst->n_nodes; - } - } - -#if defined(IB_RBT_TESTING) - ut_a(rbt_validate(dst)); - ut_a(rbt_validate(src)); -#endif - return(rbt_size(dst) - old_size); -} - -/************************************************************************ -Check that every path from the root to the leaves has the same count and -the tree nodes are in order. -@return TRUE if OK FALSE otherwise */ -UNIV_INTERN -ibool -rbt_validate( -/*=========*/ - const ib_rbt_t* tree) /*!< in: RB tree to validate */ -{ - if (rbt_count_black_nodes(tree, ROOT(tree)) > 0) { - return(rbt_check_ordering(tree)); - } - - return(FALSE); -} - -/************************************************************************ -Iterate over the tree in depth first order. */ -UNIV_INTERN -void -rbt_print( -/*======*/ - const ib_rbt_t* tree, /*!< in: tree to traverse */ - ib_rbt_print_node print) /*!< in: print function */ -{ - rbt_print_subtree(tree, ROOT(tree), print); -} diff --git a/perfschema/ut/ut0rnd.c b/perfschema/ut/ut0rnd.c deleted file mode 100644 index cefd0990ecc..00000000000 --- a/perfschema/ut/ut0rnd.c +++ /dev/null @@ -1,97 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************//** -@file ut/ut0rnd.c -Random numbers and hashing - -Created 5/11/1994 Heikki Tuuri -********************************************************************/ - -#include "ut0rnd.h" - -#ifdef UNIV_NONINL -#include "ut0rnd.ic" -#endif - -/** These random numbers are used in ut_find_prime */ -/*@{*/ -#define UT_RANDOM_1 1.0412321 -#define UT_RANDOM_2 1.1131347 -#define UT_RANDOM_3 1.0132677 -/*@}*/ - -/** Seed value of ut_rnd_gen_ulint(). */ -UNIV_INTERN ulint ut_rnd_ulint_counter = 65654363; - -/***********************************************************//** -Looks for a prime number slightly greater than the given argument. -The prime is chosen so that it is not near any power of 2. -@return prime */ -UNIV_INTERN -ulint -ut_find_prime( -/*==========*/ - ulint n) /*!< in: positive number > 100 */ -{ - ulint pow2; - ulint i; - - n += 100; - - pow2 = 1; - while (pow2 * 2 < n) { - pow2 = 2 * pow2; - } - - if ((double)n < 1.05 * (double)pow2) { - n = (ulint) ((double)n * UT_RANDOM_1); - } - - pow2 = 2 * pow2; - - if ((double)n > 0.95 * (double)pow2) { - n = (ulint) ((double)n * UT_RANDOM_2); - } - - if (n > pow2 - 20) { - n += 30; - } - - /* Now we have n far enough from powers of 2. To make - n more random (especially, if it was not near - a power of 2), we then multiply it by a random number. */ - - n = (ulint) ((double)n * UT_RANDOM_3); - - for (;; n++) { - i = 2; - while (i * i <= n) { - if (n % i == 0) { - goto next_n; - } - i++; - } - - /* Found a prime */ - break; -next_n: ; - } - - return(n); -} diff --git a/perfschema/ut/ut0ut.c b/perfschema/ut/ut0ut.c deleted file mode 100644 index 498873e290a..00000000000 --- a/perfschema/ut/ut0ut.c +++ /dev/null @@ -1,625 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2009, Sun Microsystems, Inc. - -Portions of this file contain modifications contributed and copyrighted by -Sun Microsystems, Inc. Those modifications are gratefully acknowledged and -are described briefly in the InnoDB documentation. The contributions by -Sun Microsystems are incorporated with their permission, and subject to the -conditions contained in the file COPYING.Sun_Microsystems. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/***************************************************************//** -@file ut/ut0ut.c -Various utilities for Innobase. - -Created 5/11/1994 Heikki Tuuri -********************************************************************/ - -#include "ut0ut.h" - -#ifdef UNIV_NONINL -#include "ut0ut.ic" -#endif - -#include -#include -#include - -#ifndef UNIV_HOTBACKUP -# include "trx0trx.h" -# include "ha_prototypes.h" -# include "mysql_com.h" /* NAME_LEN */ -#endif /* UNIV_HOTBACKUP */ - -/** A constant to prevent the compiler from optimizing ut_delay() away. */ -UNIV_INTERN ibool ut_always_false = FALSE; - -#ifdef __WIN__ -/*****************************************************************//** -NOTE: The Windows epoch starts from 1601/01/01 whereas the Unix -epoch starts from 1970/1/1. For selection of constant see: -http://support.microsoft.com/kb/167296/ */ -#define WIN_TO_UNIX_DELTA_USEC ((ib_int64_t) 11644473600000000ULL) - - -/*****************************************************************//** -This is the Windows version of gettimeofday(2). -@return 0 if all OK else -1 */ -static -int -ut_gettimeofday( -/*============*/ - struct timeval* tv, /*!< out: Values are relative to Unix epoch */ - void* tz) /*!< in: not used */ -{ - FILETIME ft; - ib_int64_t tm; - - if (!tv) { - errno = EINVAL; - return(-1); - } - - GetSystemTimeAsFileTime(&ft); - - tm = (ib_int64_t) ft.dwHighDateTime << 32; - tm |= ft.dwLowDateTime; - - ut_a(tm >= 0); /* If tm wraps over to negative, the quotient / 10 - does not work */ - - tm /= 10; /* Convert from 100 nsec periods to usec */ - - /* If we don't convert to the Unix epoch the value for - struct timeval::tv_sec will overflow.*/ - tm -= WIN_TO_UNIX_DELTA_USEC; - - tv->tv_sec = (long) (tm / 1000000L); - tv->tv_usec = (long) (tm % 1000000L); - - return(0); -} -#else -/** An alias for gettimeofday(2). On Microsoft Windows, we have to -reimplement this function. */ -#define ut_gettimeofday gettimeofday -#endif - -/********************************************************//** -Gets the high 32 bits in a ulint. That is makes a shift >> 32, -but since there seem to be compiler bugs in both gcc and Visual C++, -we do this by a special conversion. -@return a >> 32 */ -UNIV_INTERN -ulint -ut_get_high32( -/*==========*/ - ulint a) /*!< in: ulint */ -{ - ib_int64_t i; - - i = (ib_int64_t)a; - - i = i >> 32; - - return((ulint)i); -} - -/**********************************************************//** -Returns system time. We do not specify the format of the time returned: -the only way to manipulate it is to use the function ut_difftime. -@return system time */ -UNIV_INTERN -ib_time_t -ut_time(void) -/*=========*/ -{ - return(time(NULL)); -} - -#ifndef UNIV_HOTBACKUP -/**********************************************************//** -Returns system time. -Upon successful completion, the value 0 is returned; otherwise the -value -1 is returned and the global variable errno is set to indicate the -error. -@return 0 on success, -1 otherwise */ -UNIV_INTERN -int -ut_usectime( -/*========*/ - ulint* sec, /*!< out: seconds since the Epoch */ - ulint* ms) /*!< out: microseconds since the Epoch+*sec */ -{ - struct timeval tv; - int ret; - int errno_gettimeofday; - int i; - - for (i = 0; i < 10; i++) { - - ret = ut_gettimeofday(&tv, NULL); - - if (ret == -1) { - errno_gettimeofday = errno; - ut_print_timestamp(stderr); - fprintf(stderr, " InnoDB: gettimeofday(): %s\n", - strerror(errno_gettimeofday)); - os_thread_sleep(100000); /* 0.1 sec */ - errno = errno_gettimeofday; - } else { - break; - } - } - - if (ret != -1) { - *sec = (ulint) tv.tv_sec; - *ms = (ulint) tv.tv_usec; - } - - return(ret); -} - -/**********************************************************//** -Returns the number of microseconds since epoch. Similar to -time(3), the return value is also stored in *tloc, provided -that tloc is non-NULL. -@return us since epoch */ -UNIV_INTERN -ullint -ut_time_us( -/*=======*/ - ullint* tloc) /*!< out: us since epoch, if non-NULL */ -{ - struct timeval tv; - ullint us; - - ut_gettimeofday(&tv, NULL); - - us = (ullint) tv.tv_sec * 1000000 + tv.tv_usec; - - if (tloc != NULL) { - *tloc = us; - } - - return(us); -} - -/**********************************************************//** -Returns the number of milliseconds since some epoch. The -value may wrap around. It should only be used for heuristic -purposes. -@return ms since epoch */ -UNIV_INTERN -ulint -ut_time_ms(void) -/*============*/ -{ - struct timeval tv; - - ut_gettimeofday(&tv, NULL); - - return((ulint) tv.tv_sec * 1000 + tv.tv_usec / 1000); -} -#endif /* !UNIV_HOTBACKUP */ - -/**********************************************************//** -Returns the difference of two times in seconds. -@return time2 - time1 expressed in seconds */ -UNIV_INTERN -double -ut_difftime( -/*========*/ - ib_time_t time2, /*!< in: time */ - ib_time_t time1) /*!< in: time */ -{ - return(difftime(time2, time1)); -} - -/**********************************************************//** -Prints a timestamp to a file. */ -UNIV_INTERN -void -ut_print_timestamp( -/*===============*/ - FILE* file) /*!< in: file where to print */ -{ -#ifdef __WIN__ - SYSTEMTIME cal_tm; - - GetLocalTime(&cal_tm); - - fprintf(file,"%02d%02d%02d %2d:%02d:%02d", - (int)cal_tm.wYear % 100, - (int)cal_tm.wMonth, - (int)cal_tm.wDay, - (int)cal_tm.wHour, - (int)cal_tm.wMinute, - (int)cal_tm.wSecond); -#else - struct tm cal_tm; - struct tm* cal_tm_ptr; - time_t tm; - - time(&tm); - -#ifdef HAVE_LOCALTIME_R - localtime_r(&tm, &cal_tm); - cal_tm_ptr = &cal_tm; -#else - cal_tm_ptr = localtime(&tm); -#endif - fprintf(file,"%02d%02d%02d %2d:%02d:%02d", - cal_tm_ptr->tm_year % 100, - cal_tm_ptr->tm_mon + 1, - cal_tm_ptr->tm_mday, - cal_tm_ptr->tm_hour, - cal_tm_ptr->tm_min, - cal_tm_ptr->tm_sec); -#endif -} - -/**********************************************************//** -Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ -UNIV_INTERN -void -ut_sprintf_timestamp( -/*=================*/ - char* buf) /*!< in: buffer where to sprintf */ -{ -#ifdef __WIN__ - SYSTEMTIME cal_tm; - - GetLocalTime(&cal_tm); - - sprintf(buf, "%02d%02d%02d %2d:%02d:%02d", - (int)cal_tm.wYear % 100, - (int)cal_tm.wMonth, - (int)cal_tm.wDay, - (int)cal_tm.wHour, - (int)cal_tm.wMinute, - (int)cal_tm.wSecond); -#else - struct tm cal_tm; - struct tm* cal_tm_ptr; - time_t tm; - - time(&tm); - -#ifdef HAVE_LOCALTIME_R - localtime_r(&tm, &cal_tm); - cal_tm_ptr = &cal_tm; -#else - cal_tm_ptr = localtime(&tm); -#endif - sprintf(buf, "%02d%02d%02d %2d:%02d:%02d", - cal_tm_ptr->tm_year % 100, - cal_tm_ptr->tm_mon + 1, - cal_tm_ptr->tm_mday, - cal_tm_ptr->tm_hour, - cal_tm_ptr->tm_min, - cal_tm_ptr->tm_sec); -#endif -} - -#ifdef UNIV_HOTBACKUP -/**********************************************************//** -Sprintfs a timestamp to a buffer with no spaces and with ':' characters -replaced by '_'. */ -UNIV_INTERN -void -ut_sprintf_timestamp_without_extra_chars( -/*=====================================*/ - char* buf) /*!< in: buffer where to sprintf */ -{ -#ifdef __WIN__ - SYSTEMTIME cal_tm; - - GetLocalTime(&cal_tm); - - sprintf(buf, "%02d%02d%02d_%2d_%02d_%02d", - (int)cal_tm.wYear % 100, - (int)cal_tm.wMonth, - (int)cal_tm.wDay, - (int)cal_tm.wHour, - (int)cal_tm.wMinute, - (int)cal_tm.wSecond); -#else - struct tm cal_tm; - struct tm* cal_tm_ptr; - time_t tm; - - time(&tm); - -#ifdef HAVE_LOCALTIME_R - localtime_r(&tm, &cal_tm); - cal_tm_ptr = &cal_tm; -#else - cal_tm_ptr = localtime(&tm); -#endif - sprintf(buf, "%02d%02d%02d_%2d_%02d_%02d", - cal_tm_ptr->tm_year % 100, - cal_tm_ptr->tm_mon + 1, - cal_tm_ptr->tm_mday, - cal_tm_ptr->tm_hour, - cal_tm_ptr->tm_min, - cal_tm_ptr->tm_sec); -#endif -} - -/**********************************************************//** -Returns current year, month, day. */ -UNIV_INTERN -void -ut_get_year_month_day( -/*==================*/ - ulint* year, /*!< out: current year */ - ulint* month, /*!< out: month */ - ulint* day) /*!< out: day */ -{ -#ifdef __WIN__ - SYSTEMTIME cal_tm; - - GetLocalTime(&cal_tm); - - *year = (ulint)cal_tm.wYear; - *month = (ulint)cal_tm.wMonth; - *day = (ulint)cal_tm.wDay; -#else - struct tm cal_tm; - struct tm* cal_tm_ptr; - time_t tm; - - time(&tm); - -#ifdef HAVE_LOCALTIME_R - localtime_r(&tm, &cal_tm); - cal_tm_ptr = &cal_tm; -#else - cal_tm_ptr = localtime(&tm); -#endif - *year = (ulint)cal_tm_ptr->tm_year + 1900; - *month = (ulint)cal_tm_ptr->tm_mon + 1; - *day = (ulint)cal_tm_ptr->tm_mday; -#endif -} -#endif /* UNIV_HOTBACKUP */ - -#ifndef UNIV_HOTBACKUP -/*************************************************************//** -Runs an idle loop on CPU. The argument gives the desired delay -in microseconds on 100 MHz Pentium + Visual C++. -@return dummy value */ -UNIV_INTERN -ulint -ut_delay( -/*=====*/ - ulint delay) /*!< in: delay in microseconds on 100 MHz Pentium */ -{ - ulint i, j; - - j = 0; - - for (i = 0; i < delay * 50; i++) { - j += i; - UT_RELAX_CPU(); - } - - if (ut_always_false) { - ut_always_false = (ibool) j; - } - - return(j); -} -#endif /* !UNIV_HOTBACKUP */ - -/*************************************************************//** -Prints the contents of a memory buffer in hex and ascii. */ -UNIV_INTERN -void -ut_print_buf( -/*=========*/ - FILE* file, /*!< in: file where to print */ - const void* buf, /*!< in: memory buffer */ - ulint len) /*!< in: length of the buffer */ -{ - const byte* data; - ulint i; - - UNIV_MEM_ASSERT_RW(buf, len); - - fprintf(file, " len %lu; hex ", len); - - for (data = (const byte*)buf, i = 0; i < len; i++) { - fprintf(file, "%02lx", (ulong)*data++); - } - - fputs("; asc ", file); - - data = (const byte*)buf; - - for (i = 0; i < len; i++) { - int c = (int) *data++; - putc(isprint(c) ? c : ' ', file); - } - - putc(';', file); -} - -/*************************************************************//** -Calculates fast the number rounded up to the nearest power of 2. -@return first power of 2 which is >= n */ -UNIV_INTERN -ulint -ut_2_power_up( -/*==========*/ - ulint n) /*!< in: number != 0 */ -{ - ulint res; - - res = 1; - - ut_ad(n > 0); - - while (res < n) { - res = res * 2; - } - - return(res); -} - -/**********************************************************************//** -Outputs a NUL-terminated file name, quoted with apostrophes. */ -UNIV_INTERN -void -ut_print_filename( -/*==============*/ - FILE* f, /*!< in: output stream */ - const char* name) /*!< in: name to print */ -{ - putc('\'', f); - for (;;) { - int c = *name++; - switch (c) { - case 0: - goto done; - case '\'': - putc(c, f); - /* fall through */ - default: - putc(c, f); - } - } -done: - putc('\'', f); -} -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ -UNIV_INTERN -void -ut_print_name( -/*==========*/ - FILE* f, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction */ - ibool table_id,/*!< in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name) /*!< in: name to print */ -{ - ut_print_namel(f, trx, table_id, name, strlen(name)); -} - -/**********************************************************************//** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ -UNIV_INTERN -void -ut_print_namel( -/*===========*/ - FILE* f, /*!< in: output stream */ - trx_t* trx, /*!< in: transaction (NULL=no quotes) */ - ibool table_id,/*!< in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name, /*!< in: name to print */ - ulint namelen)/*!< in: length of name */ -{ - /* 2 * NAME_LEN for database and table name, - and some slack for the #mysql50# prefix and quotes */ - char buf[3 * NAME_LEN]; - const char* bufend; - - bufend = innobase_convert_name(buf, sizeof buf, - name, namelen, - trx ? trx->mysql_thd : NULL, - table_id); - - fwrite(buf, 1, bufend - buf, f); -} - -/**********************************************************************//** -Catenate files. */ -UNIV_INTERN -void -ut_copy_file( -/*=========*/ - FILE* dest, /*!< in: output file */ - FILE* src) /*!< in: input file to be appended to output */ -{ - long len = ftell(src); - char buf[4096]; - - rewind(src); - do { - size_t maxs = len < (long) sizeof buf - ? (size_t) len - : sizeof buf; - size_t size = fread(buf, 1, maxs, src); - fwrite(buf, 1, size, dest); - len -= (long) size; - if (size < maxs) { - break; - } - } while (len > 0); -} -#endif /* !UNIV_HOTBACKUP */ - -#ifdef __WIN__ -# include -/**********************************************************************//** -A substitute for snprintf(3), formatted output conversion into -a limited buffer. -@return number of characters that would have been printed if the size -were unlimited, not including the terminating '\0'. */ -UNIV_INTERN -int -ut_snprintf( -/*========*/ - char* str, /*!< out: string */ - size_t size, /*!< in: str size */ - const char* fmt, /*!< in: format */ - ...) /*!< in: format values */ -{ - int res; - va_list ap1; - va_list ap2; - - va_start(ap1, fmt); - va_start(ap2, fmt); - - res = _vscprintf(fmt, ap1); - ut_a(res != -1); - - if (size > 0) { - _vsnprintf(str, size, fmt, ap2); - - if ((size_t) res >= size) { - str[size - 1] = '\0'; - } - } - - va_end(ap1); - va_end(ap2); - - return(res); -} -#endif /* __WIN__ */ diff --git a/perfschema/ut/ut0vec.c b/perfschema/ut/ut0vec.c deleted file mode 100644 index 45f2bc9771f..00000000000 --- a/perfschema/ut/ut0vec.c +++ /dev/null @@ -1,79 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/*******************************************************************//** -@file ut/ut0vec.c -A vector of pointers to data items - -Created 4/6/2006 Osku Salerma -************************************************************************/ - -#include "ut0vec.h" -#ifdef UNIV_NONINL -#include "ut0vec.ic" -#endif -#include - -/****************************************************************//** -Create a new vector with the given initial size. -@return vector */ -UNIV_INTERN -ib_vector_t* -ib_vector_create( -/*=============*/ - mem_heap_t* heap, /*!< in: heap */ - ulint size) /*!< in: initial size */ -{ - ib_vector_t* vec; - - ut_a(size > 0); - - vec = mem_heap_alloc(heap, sizeof(*vec)); - - vec->heap = heap; - vec->data = mem_heap_alloc(heap, sizeof(void*) * size); - vec->used = 0; - vec->total = size; - - return(vec); -} - -/****************************************************************//** -Push a new element to the vector, increasing its size if necessary. */ -UNIV_INTERN -void -ib_vector_push( -/*===========*/ - ib_vector_t* vec, /*!< in: vector */ - void* elem) /*!< in: data element */ -{ - if (vec->used >= vec->total) { - void** new_data; - ulint new_total = vec->total * 2; - - new_data = mem_heap_alloc(vec->heap, - sizeof(void*) * new_total); - memcpy(new_data, vec->data, sizeof(void*) * vec->total); - - vec->data = new_data; - vec->total = new_total; - } - - vec->data[vec->used] = elem; - vec->used++; -} diff --git a/perfschema/ut/ut0wqueue.c b/perfschema/ut/ut0wqueue.c deleted file mode 100644 index 5220d1e17f4..00000000000 --- a/perfschema/ut/ut0wqueue.c +++ /dev/null @@ -1,118 +0,0 @@ -/***************************************************************************** - -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -#include "ut0wqueue.h" - -/*******************************************************************//** -@file ut/ut0wqueue.c -A work queue - -Created 4/26/2006 Osku Salerma -************************************************************************/ - -/****************************************************************//** -Create a new work queue. -@return work queue */ -UNIV_INTERN -ib_wqueue_t* -ib_wqueue_create(void) -/*===================*/ -{ - ib_wqueue_t* wq = mem_alloc(sizeof(ib_wqueue_t)); - - mutex_create(&wq->mutex, SYNC_WORK_QUEUE); - - wq->items = ib_list_create(); - wq->event = os_event_create(NULL); - - return(wq); -} - -/****************************************************************//** -Free a work queue. */ -UNIV_INTERN -void -ib_wqueue_free( -/*===========*/ - ib_wqueue_t* wq) /*!< in: work queue */ -{ - ut_a(!ib_list_get_first(wq->items)); - - mutex_free(&wq->mutex); - ib_list_free(wq->items); - os_event_free(wq->event); - - mem_free(wq); -} - -/****************************************************************//** -Add a work item to the queue. */ -UNIV_INTERN -void -ib_wqueue_add( -/*==========*/ - ib_wqueue_t* wq, /*!< in: work queue */ - void* item, /*!< in: work item */ - mem_heap_t* heap) /*!< in: memory heap to use for allocating the - list node */ -{ - mutex_enter(&wq->mutex); - - ib_list_add_last(wq->items, item, heap); - os_event_set(wq->event); - - mutex_exit(&wq->mutex); -} - -/****************************************************************//** -Wait for a work item to appear in the queue. -@return work item */ -UNIV_INTERN -void* -ib_wqueue_wait( -/*===========*/ - ib_wqueue_t* wq) /*!< in: work queue */ -{ - ib_list_node_t* node; - - for (;;) { - os_event_wait(wq->event); - - mutex_enter(&wq->mutex); - - node = ib_list_get_first(wq->items); - - if (node) { - ib_list_remove(wq->items, node); - - if (!ib_list_get_first(wq->items)) { - /* We must reset the event when the list - gets emptied. */ - os_event_reset(wq->event); - } - - break; - } - - mutex_exit(&wq->mutex); - } - - mutex_exit(&wq->mutex); - - return(node->data); -} From 3c5065929d10d479cbf1a86bc1876046f091916f Mon Sep 17 00:00:00 2001 From: marko <> Date: Thu, 18 Mar 2010 12:18:25 +0000 Subject: [PATCH 171/400] branches/innodb+: Merge revisions 6293:6797 from branches/plugin-1.1, skipping the following revisions that were merges from branches/zip: r6543 r6775 ------------------------------------------------------------------------ r6749 | vasil | 2010-02-20 18:45:41 +0200 (Sat, 20 Feb 2010) | 5 lines Changed paths: M /branches/embedded-1.0/btr/btr0btr.c M /branches/embedded-1.0/btr/btr0cur.c M 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/branches/innodb+_metrics_table/include/srv0mon.ic M /branches/innodb+_metrics_table/include/srv0srv.h M /branches/innodb+_metrics_table/lock/lock0lock.c M /branches/innodb+_metrics_table/log/log0log.c M /branches/innodb+_metrics_table/mem/mem0dbg.c M /branches/innodb+_metrics_table/os/os0file.c M /branches/innodb+_metrics_table/page/page0zip.c M /branches/innodb+_metrics_table/row/row0mysql.c M /branches/innodb+_metrics_table/row/row0purge.c M /branches/innodb+_metrics_table/row/row0sel.c M /branches/innodb+_metrics_table/srv/srv0mon.c M /branches/innodb+_metrics_table/srv/srv0srv.c M /branches/innodb+_metrics_table/sync/sync0sync.c M /branches/innodb+_metrics_table/trx/trx0roll.c M /branches/innodb+_metrics_table/trx/trx0trx.c M /branches/innodb+_persistent_stats/btr/btr0btr.c M /branches/innodb+_persistent_stats/buf/buf0buf.c M /branches/innodb+_persistent_stats/data/data0type.c M /branches/innodb+_persistent_stats/dict/dict0boot.c M /branches/innodb+_persistent_stats/dict/dict0crea.c M /branches/innodb+_persistent_stats/dict/dict0dict.c M /branches/innodb+_persistent_stats/dict/dict0load.c M /branches/innodb+_persistent_stats/dict/dict0mem.c M /branches/innodb+_persistent_stats/fil/fil0fil.c M /branches/innodb+_persistent_stats/fsp/fsp0fsp.c M /branches/innodb+_persistent_stats/handler/ha_innodb.cc M /branches/innodb+_persistent_stats/handler/ha_innodb.h M /branches/innodb+_persistent_stats/handler/handler0alter.cc M /branches/innodb+_persistent_stats/ibuf/ibuf0ibuf.c M /branches/innodb+_persistent_stats/include/btr0pcur.h M /branches/innodb+_persistent_stats/include/btr0pcur.ic M /branches/innodb+_persistent_stats/include/db0err.h M /branches/innodb+_persistent_stats/include/dict0dict.h M /branches/innodb+_persistent_stats/include/dict0mem.h M /branches/innodb+_persistent_stats/include/ha_prototypes.h M /branches/innodb+_persistent_stats/include/lock0lock.h M /branches/innodb+_persistent_stats/include/log0log.h M /branches/innodb+_persistent_stats/include/log0recv.h M /branches/innodb+_persistent_stats/include/mem0dbg.h M /branches/innodb+_persistent_stats/include/mem0dbg.ic M /branches/innodb+_persistent_stats/include/os0file.h M /branches/innodb+_persistent_stats/include/pars0pars.h M /branches/innodb+_persistent_stats/include/srv0srv.h M /branches/innodb+_persistent_stats/include/sync0sync.h M /branches/innodb+_persistent_stats/include/trx0sys.h M /branches/innodb+_persistent_stats/include/trx0trx.h M /branches/innodb+_persistent_stats/include/ut0lst.h M /branches/innodb+_persistent_stats/include/ut0ut.h M /branches/innodb+_persistent_stats/lock/lock0lock.c M /branches/innodb+_persistent_stats/log/log0log.c M /branches/innodb+_persistent_stats/log/log0recv.c M /branches/innodb+_persistent_stats/mem/mem0dbg.c M /branches/innodb+_persistent_stats/os/os0file.c M /branches/innodb+_persistent_stats/page/page0page.c M /branches/innodb+_persistent_stats/pars/pars0pars.c M /branches/innodb+_persistent_stats/row/row0merge.c M /branches/innodb+_persistent_stats/row/row0mysql.c M /branches/innodb+_persistent_stats/row/row0sel.c M /branches/innodb+_persistent_stats/row/row0umod.c M /branches/innodb+_persistent_stats/row/row0upd.c M /branches/innodb+_persistent_stats/srv/srv0srv.c M /branches/innodb+_persistent_stats/srv/srv0start.c M /branches/innodb+_persistent_stats/sync/sync0sync.c M /branches/innodb+_persistent_stats/trx/trx0i_s.c M /branches/innodb+_persistent_stats/trx/trx0sys.c M /branches/innodb+_persistent_stats/trx/trx0trx.c M /branches/innodb+_persistent_stats/ut/ut0ut.c M /branches/innofts+/handler/ha_innodb.cc M /branches/innofts+/handler/i_s.cc M /branches/innofts+/handler/i_s.h M /branches/innofts+/include/fut0fut.h M /branches/performance_schema/btr/btr0sea.c M /branches/performance_schema/buf/buf0buf.c M /branches/performance_schema/dict/dict0dict.c M /branches/performance_schema/fil/fil0fil.c M /branches/performance_schema/handler/ha_innodb.cc M /branches/performance_schema/include/srv0srv.h M /branches/performance_schema/include/sync0rw.h M /branches/performance_schema/include/sync0rw.ic M /branches/performance_schema/include/sync0sync.h M /branches/performance_schema/include/sync0sync.ic M /branches/performance_schema/include/sync0types.h M /branches/performance_schema/log/log0log.c M /branches/performance_schema/srv/srv0srv.c M /branches/performance_schema/sync/sync0rw.c M /branches/performance_schema/trx/trx0i_s.c M /branches/performance_schema/trx/trx0purge.c M /branches/plugin-2.0/buf/buf0buf.c M /branches/plugin-2.0/buf/buf0lru.c M /branches/plugin-2.0/dict/dict0boot.c M /branches/plugin-2.0/dict/dict0crea.c M /branches/plugin-2.0/dict/dict0dict.c M /branches/plugin-2.0/dict/dict0load.c M /branches/plugin-2.0/dict/dict0mem.c M /branches/plugin-2.0/fil/fil0fil.c M /branches/plugin-2.0/fsp/fsp0fsp.c M /branches/plugin-2.0/handler/ha_innodb.cc M /branches/plugin-2.0/handler/ha_innodb.h M /branches/plugin-2.0/handler/handler0alter.cc M /branches/plugin-2.0/ibuf/ibuf0ibuf.c M /branches/plugin-2.0/include/dict0mem.h M /branches/plugin-2.0/include/ha_prototypes.h M /branches/plugin-2.0/include/lock0lock.h M /branches/plugin-2.0/include/log0log.h M /branches/plugin-2.0/include/log0recv.h M /branches/plugin-2.0/include/mem0dbg.h M /branches/plugin-2.0/include/mem0dbg.ic M /branches/plugin-2.0/include/os0file.h M /branches/plugin-2.0/include/row0mysql.h M /branches/plugin-2.0/include/srv0srv.h M /branches/plugin-2.0/include/sync0sync.h M /branches/plugin-2.0/include/trx0sys.h M /branches/plugin-2.0/include/trx0trx.h M /branches/plugin-2.0/lock/lock0lock.c M /branches/plugin-2.0/log/log0log.c M /branches/plugin-2.0/log/log0recv.c M /branches/plugin-2.0/mem/mem0dbg.c M /branches/plugin-2.0/os/os0file.c M /branches/plugin-2.0/page/page0page.c M /branches/plugin-2.0/row/row0merge.c M /branches/plugin-2.0/row/row0mysql.c M /branches/plugin-2.0/row/row0sel.c M /branches/plugin-2.0/row/row0umod.c M /branches/plugin-2.0/row/row0upd.c M /branches/plugin-2.0/srv/srv0srv.c M /branches/plugin-2.0/srv/srv0start.c M /branches/plugin-2.0/sync/sync0sync.c M /branches/plugin-2.0/trx/trx0i_s.c M /branches/plugin-2.0/trx/trx0sys.c M /branches/plugin-2.0/trx/trx0trx.c M /branches/zip/btr/btr0btr.c M /branches/zip/btr/btr0cur.c M /branches/zip/btr/btr0pcur.c M /branches/zip/buf/buf0buf.c M /branches/zip/buf/buf0lru.c M /branches/zip/dict/dict0boot.c M /branches/zip/dict/dict0crea.c M /branches/zip/dict/dict0dict.c M /branches/zip/dict/dict0load.c M /branches/zip/fsp/fsp0fsp.c M /branches/zip/handler/ha_innodb.cc M /branches/zip/handler/ha_innodb.h M /branches/zip/handler/handler0alter.cc M /branches/zip/include/btr0btr.h M /branches/zip/include/btr0cur.h M /branches/zip/include/btr0pcur.h M /branches/zip/include/btr0pcur.ic M /branches/zip/include/buf0buf.h M /branches/zip/include/dict0boot.h M /branches/zip/include/fil0fil.h M /branches/zip/include/log0log.h M /branches/zip/include/log0log.ic M /branches/zip/include/log0recv.h M /branches/zip/include/mem0dbg.h M /branches/zip/include/mem0dbg.ic M /branches/zip/include/mem0mem.h M /branches/zip/include/mem0mem.ic M /branches/zip/include/os0file.h M /branches/zip/include/que0que.h M /branches/zip/include/que0que.ic M /branches/zip/include/row0mysql.h M /branches/zip/include/srv0srv.h M /branches/zip/include/sync0sync.h M /branches/zip/include/trx0rseg.h M /branches/zip/include/trx0trx.h M /branches/zip/include/trx0types.h M /branches/zip/include/univ.i M /branches/zip/lock/lock0lock.c M /branches/zip/log/log0log.c M /branches/zip/log/log0recv.c M /branches/zip/mem/mem0dbg.c M /branches/zip/mem/mem0mem.c M /branches/zip/os/os0file.c M /branches/zip/page/page0page.c M /branches/zip/rem/rem0rec.c M /branches/zip/row/row0ins.c M /branches/zip/row/row0merge.c M /branches/zip/row/row0mysql.c M /branches/zip/row/row0sel.c M /branches/zip/row/row0umod.c M /branches/zip/srv/srv0srv.c M /branches/zip/srv/srv0start.c M /branches/zip/sync/sync0sync.c M /branches/zip/trx/trx0rseg.c M /branches/zip/trx/trx0trx.c Non-functional change: update copyright year to 2010 of the files that have been modified after 2010-01-01 according to svn. for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done ------------------------------------------------------------------------ r6795 | calvin | 2010-03-11 06:29:35 +0200 (Thu, 11 Mar 2010) | 4 lines Changed paths: M /branches/plugin-2.0/CMakeLists.txt branches/plugin-2.0: take the CMake file from MySQL. The CMake files are significantly changed in MySQL 5.5 to have cross-platform support. ------------------------------------------------------------------------ r6796 | calvin | 2010-03-11 06:38:24 +0200 (Thu, 11 Mar 2010) | 4 lines Changed paths: A /branches/plugin-1.1 (from /branches/plugin-2.0:6795) D /branches/plugin-2.0 branches/plugin-1.1: Rename the branch from plugin-2.0 to plugin-1.1, to be used with MySQL 5.5. ------------------------------------------------------------------------ r6797 | calvin | 2010-03-11 06:45:29 +0200 (Thu, 11 Mar 2010) | 4 lines Changed paths: M /branches/plugin-1.1/include/univ.i branches/plugin-1.1: change the version number to 1.1.0. ------------------------------------------------------------------------ --- dict/dict0mem.c | 2 +- fil/fil0fil.c | 2 +- ibuf/ibuf0ibuf.c | 2 +- include/dict0mem.h | 2 +- include/ha_prototypes.h | 2 +- include/lock0lock.h | 2 +- include/trx0sys.h | 2 +- row/row0upd.c | 2 +- trx/trx0i_s.c | 2 +- trx/trx0sys.c | 2 +- 10 files changed, 10 insertions(+), 10 deletions(-) diff --git a/dict/dict0mem.c b/dict/dict0mem.c index 66b4b43f296..ac081edf393 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/fil/fil0fil.c b/fil/fil0fil.c index f0fe36aa66a..9ae912114db 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index cd19ea22bb3..bcdc2d9bc39 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/dict0mem.h b/include/dict0mem.h index 9996fb59a75..e63fe920daa 100644 --- a/include/dict0mem.h +++ b/include/dict0mem.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/ha_prototypes.h b/include/ha_prototypes.h index b737a00b3dc..9725ef05ad8 100644 --- a/include/ha_prototypes.h +++ b/include/ha_prototypes.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2006, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/lock0lock.h b/include/lock0lock.h index 7d76cbe3c75..ad271a95654 100644 --- a/include/lock0lock.h +++ b/include/lock0lock.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/trx0sys.h b/include/trx0sys.h index cbb89689748..8257e06e981 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0upd.c b/row/row0upd.c index 26a5a91c0e2..f1a90a3bf1c 100644 --- a/row/row0upd.c +++ b/row/row0upd.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 1b20eaabf42..5b505153c68 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2007, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/trx/trx0sys.c b/trx/trx0sys.c index ba25662c8fb..410c55f132d 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software From dbad70e100fcb856080d6fc2138451c89fd6efeb Mon Sep 17 00:00:00 2001 From: calvin <> Date: Fri, 19 Mar 2010 06:48:19 +0000 Subject: [PATCH 172/400] branches/innodb+: update test case innodb_change_buffering_basic. The valid values of innodb_change_buffering are 'inserts', 'deletes', 'changes', 'purges', 'all', and 'none', with default value 'all'. --- .../innodb_change_buffering_basic.diff | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 mysql-test/patches/innodb_change_buffering_basic.diff diff --git a/mysql-test/patches/innodb_change_buffering_basic.diff b/mysql-test/patches/innodb_change_buffering_basic.diff new file mode 100644 index 00000000000..f19c41c12fd --- /dev/null +++ b/mysql-test/patches/innodb_change_buffering_basic.diff @@ -0,0 +1,60 @@ +--- mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test.orig Mon Mar 15 16:15:22 2010 ++++ mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test Fri Mar 19 01:19:09 2010 +@@ -11,8 +11,8 @@ + # + # exists as global only + # +---echo Valid values are 'inserts' and 'none' +-select @@global.innodb_change_buffering in ('inserts', 'none'); ++--echo Valid values are 'inserts', 'deletes', 'changes', 'purges', 'all', and 'none' ++select @@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none'); + select @@global.innodb_change_buffering; + --error ER_INCORRECT_GLOBAL_LOCAL_VAR + select @@session.innodb_change_buffering; + +--- mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result.orig Mon Mar 15 16:15:22 2010 ++++ mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result Fri Mar 19 01:23:58 2010 +@@ -1,28 +1,28 @@ + SET @start_global_value = @@global.innodb_change_buffering; + SELECT @start_global_value; + @start_global_value +-inserts +-Valid values are 'inserts' and 'none' +-select @@global.innodb_change_buffering in ('inserts', 'none'); +-@@global.innodb_change_buffering in ('inserts', 'none') ++all ++Valid values are 'inserts', 'deletes', 'changes', 'purges', 'all', and 'none' ++select @@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none'); ++@@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none') + 1 + select @@global.innodb_change_buffering; + @@global.innodb_change_buffering +-inserts ++all + select @@session.innodb_change_buffering; + ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable + show global variables like 'innodb_change_buffering'; + Variable_name Value +-innodb_change_buffering inserts ++innodb_change_buffering all + show session variables like 'innodb_change_buffering'; + Variable_name Value +-innodb_change_buffering inserts ++innodb_change_buffering all + select * from information_schema.global_variables where variable_name='innodb_change_buffering'; + VARIABLE_NAME VARIABLE_VALUE +-INNODB_CHANGE_BUFFERING inserts ++INNODB_CHANGE_BUFFERING all + select * from information_schema.session_variables where variable_name='innodb_change_buffering'; + VARIABLE_NAME VARIABLE_VALUE +-INNODB_CHANGE_BUFFERING inserts ++INNODB_CHANGE_BUFFERING all + set global innodb_change_buffering='none'; + select @@global.innodb_change_buffering; + @@global.innodb_change_buffering +@@ -60,4 +60,4 @@ + SET @@global.innodb_change_buffering = @start_global_value; + SELECT @@global.innodb_change_buffering; + @@global.innodb_change_buffering +-inserts ++all From 8c7bb285a3bbd5669d0276758dd6f32602b49605 Mon Sep 17 00:00:00 2001 From: calvin <> Date: Fri, 19 Mar 2010 07:38:52 +0000 Subject: [PATCH 173/400] branches/innodb+: fix slash in innodb_change_buffering_basic.diff --- mysql-test/patches/innodb_change_buffering_basic.diff | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mysql-test/patches/innodb_change_buffering_basic.diff b/mysql-test/patches/innodb_change_buffering_basic.diff index f19c41c12fd..bfa1609a97c 100644 --- a/mysql-test/patches/innodb_change_buffering_basic.diff +++ b/mysql-test/patches/innodb_change_buffering_basic.diff @@ -1,5 +1,5 @@ ---- mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test.orig Mon Mar 15 16:15:22 2010 -+++ mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test Fri Mar 19 01:19:09 2010 +--- mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test.orig Mon Mar 15 16:15:22 2010 ++++ mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test Fri Mar 19 01:19:09 2010 @@ -11,8 +11,8 @@ # # exists as global only @@ -12,8 +12,8 @@ --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.innodb_change_buffering; ---- mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result.orig Mon Mar 15 16:15:22 2010 -+++ mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result Fri Mar 19 01:23:58 2010 +--- mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result.orig Mon Mar 15 16:15:22 2010 ++++ mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result Fri Mar 19 01:23:58 2010 @@ -1,28 +1,28 @@ SET @start_global_value = @@global.innodb_change_buffering; SELECT @start_global_value; From 6a9d63eb2a426648832785a9750faf84b8711105 Mon Sep 17 00:00:00 2001 From: marko <> Date: Mon, 22 Mar 2010 09:27:20 +0000 Subject: [PATCH 174/400] branches/innodb+: buf_page_hash_get() returns NULL for watch sentinels. Replace redundant !buf_pool_watch_is() conditions with ut_ad(). --- buf/buf0buf.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index a4d091cdc34..76ab28a3980 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -1820,7 +1820,8 @@ buf_page_set_file_page_was_freed( bpage = buf_page_hash_get(space, offset); - if (bpage && !buf_pool_watch_is(bpage)) { + if (bpage) { + ut_ad(!buf_pool_watch_is(bpage)); bpage->file_page_was_freed = TRUE; } @@ -1848,7 +1849,8 @@ buf_page_reset_file_page_was_freed( bpage = buf_page_hash_get(space, offset); - if (bpage && !buf_pool_watch_is(bpage)) { + if (bpage) { + ut_ad(!buf_pool_watch_is(bpage)); bpage->file_page_was_freed = FALSE; } @@ -1889,7 +1891,8 @@ buf_page_get_zip( buf_pool_mutex_enter(); lookup: bpage = buf_page_hash_get(space, offset); - if (bpage && !buf_pool_watch_is(bpage)) { + if (bpage) { + ut_ad(!buf_pool_watch_is(bpage)); break; } From 82d93a5237d393938c97ad17c5a78ba1b14490a4 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Tue, 23 Mar 2010 11:50:18 +0000 Subject: [PATCH 175/400] branches/innodb+: Merge revisions 6801:6853 from branches/zip: ------------------------------------------------------------------------ r6805 | inaam | 2010-03-11 23:15:17 +0200 (Thu, 11 Mar 2010) | 6 lines Changed paths: M /branches/zip/os/os0file.c branches/zip issue#463 Fixed compiler warning about uninitialized variable. Non-functional change. ------------------------------------------------------------------------ r6828 | calvin | 2010-03-17 17:16:38 +0200 (Wed, 17 Mar 2010) | 7 lines Changed paths: M /branches/zip/CMakeLists.txt branches/zip: rename IB_HAVE_PAUSE_INSTRUCTION to HAVE_IB_PAUSE_INSTRUCTION in CMakeLists.txt. The rename was done as r5871, but CMakeLists.txt was forgotten. Also, add INNODB_RW_LOCKS_USE_ATOMICS to CMake. ------------------------------------------------------------------------ r6830 | marko | 2010-03-18 09:48:18 +0200 (Thu, 18 Mar 2010) | 3 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/include/buf0buf.ic branches/zip: buf_page_peek_if_too_old(): Use 32-bit arithmetics when comparing the age of access_time to buf_LRU_old_threshold_ms. This fixes a bug on 64-bit systems. ------------------------------------------------------------------------ r6840 | calvin | 2010-03-19 00:32:23 +0200 (Fri, 19 Mar 2010) | 6 lines Changed paths: M /branches/zip/CMakeLists.txt M /branches/zip/ChangeLog branches/zip: Fix Bug #52102 InnoDB Plugin shows performance drop comparing to builtin InnoDB (Windows only). Disable Windows atomics by default. Approved by: Inaam ------------------------------------------------------------------------ r6853 | marko | 2010-03-22 13:35:29 +0200 (Mon, 22 Mar 2010) | 1 line Changed paths: M /branches/zip/include/sync0rw.h M /branches/zip/include/sync0sync.h branches/zip: mutex_own(), rw_lock_own(): Add attribute((warn_unused_result)). ------------------------------------------------------------------------ --- CMakeLists.txt | 4 ++++ ChangeLog | 14 ++++++++++++++ include/buf0buf.ic | 2 +- include/sync0rw.h | 3 ++- include/sync0sync.h | 3 ++- os/os0file.c | 3 +++ 6 files changed, 26 insertions(+), 3 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 7d10a6aaf3e..2bbaa094df6 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -234,6 +234,10 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) +# Windows atomics do not perform well. Disable Windows atomics by default. +# See bug#52102 for details. +#ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) +ADD_DEFINITIONS(-DHAVE_IB_PAUSE_INSTRUCTION) IF(WITH_INNODB) # Legacy option diff --git a/ChangeLog b/ChangeLog index a8b8c52908d..3dc29ce1321 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,17 @@ +2010-03-18 The InnoDB Team + + * CMakeLists.txt: + Fix Bug #52102 InnoDB Plugin shows performance drop comparing to + builtin InnoDB (Windows only). + Disable Windows atomics by default. + +2010-03-18 The InnoDB Team + + * buf0buf.ic: + When comparing the time of the first access to a block against + innodb_old_blocks_time, use 32-bit arithmetics. The comparison + was incorrect on 64-bit systems. + 2010-03-11 The InnoDB Team * buf0buf.h, buf0buf.ic: diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 0a3572e3e49..5a47c08ace7 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -81,7 +81,7 @@ buf_page_peek_if_too_old( unsigned access_time = buf_page_is_accessed(bpage); if (access_time > 0 - && (ut_time_ms() - access_time) + && ((ib_uint32_t) (ut_time_ms() - access_time)) >= buf_LRU_old_threshold_ms) { return(TRUE); } diff --git a/include/sync0rw.h b/include/sync0rw.h index aedfd5f3f86..630f6c30138 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -429,8 +429,9 @@ ibool rw_lock_own( /*========*/ rw_lock_t* lock, /*!< in: rw-lock */ - ulint lock_type); /*!< in: lock type: RW_LOCK_SHARED, + ulint lock_type) /*!< in: lock type: RW_LOCK_SHARED, RW_LOCK_EX */ + __attribute__((warn_unused_result)); #endif /* UNIV_SYNC_DEBUG */ /******************************************************************//** Checks if somebody has locked the rw-lock in the specified mode. */ diff --git a/include/sync0sync.h b/include/sync0sync.h index 09cab4ef4b7..a96edd3c361 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -206,7 +206,8 @@ UNIV_INTERN ibool mutex_own( /*======*/ - const mutex_t* mutex); /*!< in: mutex */ + const mutex_t* mutex) /*!< in: mutex */ + __attribute__((warn_unused_result)); #endif /* UNIV_DEBUG */ #ifdef UNIV_SYNC_DEBUG /******************************************************************//** diff --git a/os/os0file.c b/os/os0file.c index db81e23d90d..ae52bf3c6d5 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -4548,6 +4548,9 @@ os_aio_simulated_handle( ulint n; ulint i; + /* Fix compiler warning */ + *consecutive_ios = NULL; + segment = os_aio_get_array_and_local_segment(&array, global_segment); restart: From 8f58da5f21be6b965e0a93e1d0a3f5c82ce67a5a Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Wed, 24 Mar 2010 06:56:31 +0000 Subject: [PATCH 176/400] branches/innodb+: Replace InnoDB+ with MySQL 5.5 in ibuf comments. --- ibuf/ibuf0ibuf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index bcdc2d9bc39..2e401090c6c 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -91,7 +91,7 @@ looking at the length of the field modulo DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE. The high-order bit of the character set field in the type info is the "nullable" flag for the field. -In versions >= InnoDB+ plugin: +In versions >= 5.5: The optional marker byte at the start of the fourth field is replaced by mandatory 3 fields, totaling 4 bytes: @@ -247,7 +247,7 @@ data from it. For details, see the description of the record format at the top of this file. */ /** @name Format of the fourth column of an insert buffer record -The fourth column in the InnoDB+ Plugin format contains an operation +The fourth column in the MySQL 5.5 format contains an operation type, counter, and some flags. */ /* @{ */ #define IBUF_REC_INFO_SIZE 4 /*!< Combined size of info fields at From 323afc6f8ed66e5dfb628dfd3190af2a484bdfe7 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Wed, 24 Mar 2010 12:08:22 +0000 Subject: [PATCH 177/400] branches/innodb+: ibuf_get_volume_buffered_count(): Add IBUF_REC_INFO_SIZE only once. This fixes Issue #470. --- ibuf/ibuf0ibuf.c | 1 - 1 file changed, 1 deletion(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 2e401090c6c..3ec58f35404 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2733,7 +2733,6 @@ ibuf_get_volume_buffered_count( case IBUF_REC_INFO_SIZE: ibuf_op = (ibuf_op_t) types[IBUF_REC_OFFSET_TYPE]; - types += IBUF_REC_INFO_SIZE; break; } From 438c656b020b037463e81afae611ddab76cecf85 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Wed, 24 Mar 2010 12:15:42 +0000 Subject: [PATCH 178/400] branches/innodb+: ibuf_get_volume_buffered_hash(): Use ulint instead of byte for the hash bitmap array. --- ibuf/ibuf0ibuf.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 3ec58f35404..ae34afcdd09 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2651,8 +2651,8 @@ ibuf_get_volume_buffered_hash( const byte* data, /*!< in: start of user record data */ ulint comp, /*!< in: 0=ROW_FORMAT=REDUNDANT, nonzero=ROW_FORMAT=COMPACT */ - byte* hash, /*!< in/out: hash array */ - ulint size) /*!< in: size of hash array, in bytes */ + ulint* hash, /*!< in/out: hash array */ + ulint size) /*!< in: number of elements in hash array */ { ulint len; ulint fold; @@ -2662,8 +2662,8 @@ ibuf_get_volume_buffered_hash( FALSE, comp); fold = ut_fold_binary(data, len); - hash += (fold / 8) % size; - bitmask = 1 << (fold % 8); + hash += (fold / (CHAR_BIT * sizeof *hash)) % size; + bitmask = 1 << (fold % (CHAR_BIT * sizeof *hash)); if (*hash & bitmask) { @@ -2686,8 +2686,8 @@ ulint ibuf_get_volume_buffered_count( /*===========================*/ const rec_t* rec, /*!< in: insert buffer record */ - byte* hash, /*!< in/out: hash array */ - ulint size, /*!< in: size of hash array, in bytes */ + ulint* hash, /*!< in/out: hash array */ + ulint size, /*!< in: number of elements in hash array */ lint* n_recs) /*!< in/out: estimated number of records on the page that rec points to */ { @@ -2822,7 +2822,7 @@ ibuf_get_volume_buffered( page_t* prev_page; ulint next_page_no; page_t* next_page; - byte hash_bitmap[128]; /* bitmap of buffered records */ + ulint hash_bitmap[128 / sizeof(ulint)]; /* bitmap of buffered recs */ ut_a(trx_sys_multiple_tablespace_format); @@ -2858,7 +2858,7 @@ ibuf_get_volume_buffered( } volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec, hash_bitmap, UT_ARR_SIZE(hash_bitmap), n_recs); rec = page_rec_get_prev(rec); } From 08197bface32f861ffe523a914de3e1065d10842 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Thu, 25 Mar 2010 11:08:30 +0000 Subject: [PATCH 179/400] branches/innodb+: ibuf_merge_or_delete_for_page(): Simplify the code and correct a comment. --- ibuf/ibuf0ibuf.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index ae34afcdd09..ffa73d8dad8 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -4128,7 +4128,7 @@ ibuf_merge_or_delete_for_page( btr_pcur_t pcur; dtuple_t* search_tuple; #ifdef UNIV_IBUF_DEBUG - ulint volume; + ulint volume = 0; #endif page_zip_des_t* page_zip = NULL; ibool tablespace_being_deleted = FALSE; @@ -4284,9 +4284,6 @@ ibuf_merge_or_delete_for_page( memset(mops, 0, sizeof(mops)); memset(dops, 0, sizeof(dops)); -#ifdef UNIV_IBUF_DEBUG - volume = 0; -#endif loop: mtr_start(&mtr); @@ -4339,7 +4336,7 @@ loop: fputs("\nInnoDB: from the insert buffer!\n\n", stderr); } else if (block) { /* Now we have at pcur a record which should be - inserted to the index page; NOTE that the call below + applied on the index page; NOTE that the call below copies pointers to fields in rec, and we must keep the latch to the rec page until the insertion is finished! */ @@ -4354,9 +4351,13 @@ loop: entry = ibuf_build_entry_from_ibuf_rec( rec, heap, &dummy_index); -#ifdef UNIV_IBUF_DEBUG - if (op == IBUF_OP_INSERT) { + ut_ad(page_validate(block->frame, dummy_index)); + + switch (op) { + ibool success; + case IBUF_OP_INSERT: +#ifdef UNIV_IBUF_DEBUG volume += rec_get_converted_size( dummy_index, entry, 0); @@ -4364,10 +4365,7 @@ loop: ut_a(volume <= 4 * UNIV_PAGE_SIZE / IBUF_PAGE_SIZE_PER_FREE_SPACE); - } #endif - switch (op) { - case IBUF_OP_INSERT: ibuf_insert_to_index_page( entry, block, dummy_index, &mtr); break; @@ -4393,17 +4391,13 @@ loop: mtr_start(&mtr); - if (block) { - ibool success; - success = buf_page_get_known_nowait( - RW_X_LATCH, block, - BUF_KEEP_OLD, - __FILE__, __LINE__, &mtr); - ut_a(success); + success = buf_page_get_known_nowait( + RW_X_LATCH, block, + BUF_KEEP_OLD, + __FILE__, __LINE__, &mtr); + ut_a(success); - buf_block_dbg_add_level( - block, SYNC_TREE_NODE); - } + buf_block_dbg_add_level(block, SYNC_TREE_NODE); if (!ibuf_restore_pos(space, page_no, search_tuple, From e3f84e3f59f0aa9c68c0b4fa6e4bdaad3ed1f5aa Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Thu, 25 Mar 2010 11:10:33 +0000 Subject: [PATCH 180/400] branches/innodb+: ibuf: Add page_validate() and page_align() assertions. --- ibuf/ibuf0ibuf.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index ffa73d8dad8..2f684a774db 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2507,6 +2507,8 @@ ibuf_is_empty: btr_pcur_open_at_rnd_pos(ibuf->index, BTR_SEARCH_LEAF, &pcur, &mtr); + ut_ad(page_validate(btr_pcur_get_page(&pcur), ibuf->index)); + if (page_get_n_recs(btr_pcur_get_page(&pcur)) == 0) { /* When the ibuf tree is emptied completely, the last record is removed using an optimistic delete and ibuf_size_update @@ -2840,6 +2842,7 @@ ibuf_get_volume_buffered( rec = btr_pcur_get_rec(pcur); page = page_align(rec); + ut_ad(page_validate(page, ibuf->index)); if (page_rec_is_supremum(rec)) { rec = page_rec_get_prev(rec); @@ -2861,6 +2864,7 @@ ibuf_get_volume_buffered( rec, hash_bitmap, UT_ARR_SIZE(hash_bitmap), n_recs); rec = page_rec_get_prev(rec); + ut_ad(page_align(rec) == page); } /* Look at the previous page */ @@ -2882,6 +2886,7 @@ ibuf_get_volume_buffered( prev_page = buf_block_get_frame(block); + ut_ad(page_validate(prev_page, ibuf->index)); } #ifdef UNIV_BTR_DEBUG @@ -2912,6 +2917,7 @@ ibuf_get_volume_buffered( rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_prev(rec); + ut_ad(page_align(rec) == prev_page); } count_later: @@ -2958,6 +2964,7 @@ count_later: next_page = buf_block_get_frame(block); + ut_ad(page_validate(next_page, ibuf->index)); } #ifdef UNIV_BTR_DEBUG @@ -2985,6 +2992,7 @@ count_later: rec, hash_bitmap, sizeof hash_bitmap, n_recs); rec = page_rec_get_next(rec); + ut_ad(page_align(rec) == next_page); } } @@ -3012,6 +3020,8 @@ ibuf_update_max_tablespace_id(void) btr_pcur_open_at_index_side( FALSE, ibuf->index, BTR_SEARCH_LEAF, &pcur, TRUE, &mtr); + ut_ad(page_validate(btr_pcur_get_page(&pcur), ibuf->index)); + btr_pcur_move_to_prev(&pcur, &mtr); if (btr_pcur_is_before_first_on_page(&pcur)) { @@ -3125,6 +3135,7 @@ ibuf_set_entry_counter( byte* data; /* pcur points to either a user rec or to a page's infimum record. */ + ut_ad(page_validate(btr_pcur_get_page(pcur), ibuf->index)); if (btr_pcur_is_on_user_rec(pcur)) { @@ -3364,6 +3375,7 @@ ibuf_insert_low( mtr_start(&mtr); btr_pcur_open(ibuf->index, ibuf_entry, PAGE_CUR_LE, mode, &pcur, &mtr); + ut_ad(page_validate(btr_pcur_get_page(&pcur), ibuf->index)); /* Find out the volume of already buffered inserts for the same index page */ @@ -4349,6 +4361,8 @@ loop: page_update_max_trx_id(block, page_zip, max_trx_id, &mtr); + ut_ad(page_validate(page_align(rec), ibuf->index)); + entry = ibuf_build_entry_from_ibuf_rec( rec, heap, &dummy_index); From ac54ac8d8f03d63722ebeebb9fcc8d51e89bd4e3 Mon Sep 17 00:00:00 2001 From: vdimov <> Date: Fri, 26 Mar 2010 12:32:25 +0000 Subject: [PATCH 181/400] branches/innodb+: Merge c6504 from branches/innodb+_persistent_stats: ------------------------------------------------------------------------ r6504 | vasil | 2010-01-21 19:41:38 +0200 (Thu, 21 Jan 2010) | 3 lines Changed paths: M /branches/innodb+_persistent_stats/include/ut0lst.h branches/innodb+: Remove compiler warning the address of 'index1' will always evaluate as 'true' ------------------------------------------------------------------------ --- include/ut0lst.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/ut0lst.h b/include/ut0lst.h index 261d33963dc..94539bef9be 100644 --- a/include/ut0lst.h +++ b/include/ut0lst.h @@ -110,7 +110,7 @@ Adds the node as the last element in a two-way linked list. */ #define UT_LIST_ADD_LAST(NAME, BASE, N)\ {\ - ut_ad(N);\ + ut_ad(N != NULL);\ ((BASE).count)++;\ ((N)->NAME).prev = (BASE).end;\ ((N)->NAME).next = NULL;\ From 17504e31cec0d05b272a1beeef87f8d96de8432b Mon Sep 17 00:00:00 2001 From: vdimov <> Date: Fri, 26 Mar 2010 12:45:36 +0000 Subject: [PATCH 182/400] branches/innodb+: Merge c6464 from branches/innodb+_persistent_stats: ------------------------------------------------------------------------ r6464 | vasil | 2010-01-14 16:00:19 +0200 (Thu, 14 Jan 2010) | 8 lines Changed paths: M /branches/innodb+_persistent_stats/include/ut0ut.h M /branches/innodb+_persistent_stats/ut/ut0ut.c branches/innodb+: Implement ut_strerr() Implement a function that converts the DB_* error codes to a human readable text. The function is similar to strerror() but is not named ut_strerror() on purpose in order not to confuse it with a wrapper for strerror(). The ut_error on unknown error code was suggested by Marko, thanks! ------------------------------------------------------------------------ --- include/ut0ut.h | 12 ++++++ ut/ut0ut.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 114 insertions(+) diff --git a/include/ut0ut.h b/include/ut0ut.h index 197b8401428..7eb5a374e52 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -35,6 +35,8 @@ Created 1/20/1994 Heikki Tuuri #include "univ.i" +#include "db0err.h" + #ifndef UNIV_HOTBACKUP # include "os0sync.h" /* for HAVE_ATOMIC_BUILTINS */ #endif /* UNIV_HOTBACKUP */ @@ -395,6 +397,16 @@ a limited buffer. */ # define ut_snprintf snprintf #endif /* __WIN__ */ +/*************************************************************//** +Convert an error number to a human readable text message. The +returned string is static and should not be freed or modified. +@return string, describing the error */ +UNIV_INTERN +const char* +ut_strerr( +/*======*/ + enum db_err num); /*!< in: error number */ + #ifndef UNIV_NONINL #include "ut0ut.ic" #endif diff --git a/ut/ut0ut.c b/ut/ut0ut.c index 498873e290a..e39b7c7d8a5 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -623,3 +623,105 @@ ut_snprintf( return(res); } #endif /* __WIN__ */ + +/*************************************************************//** +Convert an error number to a human readable text message. The +returned string is static and should not be freed or modified. +@return string, describing the error */ +UNIV_INTERN +const char* +ut_strerr( +/*======*/ + enum db_err num) /*!< in: error number */ +{ + switch (num) { + case DB_SUCCESS: + return("Success"); + case DB_ERROR: + return("Generic error"); + case DB_INTERRUPTED: + return("Operation interrupted"); + case DB_OUT_OF_MEMORY: + return("Cannot allocate memory"); + case DB_OUT_OF_FILE_SPACE: + return("Out of disk space"); + case DB_LOCK_WAIT: + return("Lock wait"); + case DB_DEADLOCK: + return("Deadlock"); + case DB_ROLLBACK: + return("Rollback"); + case DB_DUPLICATE_KEY: + return("Duplicate key"); + case DB_QUE_THR_SUSPENDED: + return("The queue thread has been suspended"); + case DB_MISSING_HISTORY: + return("Required history data has been deleted"); + case DB_CLUSTER_NOT_FOUND: + return("Cluster not found"); + case DB_TABLE_NOT_FOUND: + return("Table not found"); + case DB_MUST_GET_MORE_FILE_SPACE: + return("More file space needed"); + case DB_TABLE_IS_BEING_USED: + return("Table is being used"); + case DB_TOO_BIG_RECORD: + return("Record too big"); + case DB_LOCK_WAIT_TIMEOUT: + return("Lock wait timeout"); + case DB_NO_REFERENCED_ROW: + return("Referenced key value not found"); + case DB_ROW_IS_REFERENCED: + return("Row is referenced"); + case DB_CANNOT_ADD_CONSTRAINT: + return("Cannot add constraint"); + case DB_CORRUPTION: + return("Data structure corruption"); + case DB_COL_APPEARS_TWICE_IN_INDEX: + return("Column appears twice in index"); + case DB_CANNOT_DROP_CONSTRAINT: + return("Cannot drop constraint"); + case DB_NO_SAVEPOINT: + return("No such savepoint"); + case DB_TABLESPACE_ALREADY_EXISTS: + return("Tablespace already exists"); + case DB_TABLESPACE_DELETED: + return("No such tablespace"); + case DB_LOCK_TABLE_FULL: + return("Lock structs have exhausted the buffer pool"); + case DB_FOREIGN_DUPLICATE_KEY: + return("Foreign key activated with duplicate keys"); + case DB_TOO_MANY_CONCURRENT_TRXS: + return("Too many concurrent transactions"); + case DB_UNSUPPORTED: + return("Unsupported"); + case DB_PRIMARY_KEY_IS_NULL: + return("Primary key is NULL"); + case DB_STATS_DO_NOT_EXIST: + return("Persistent statistics do not exist"); + case DB_FAIL: + return("Failed, retry may succeed"); + case DB_OVERFLOW: + return("Overflow"); + case DB_UNDERFLOW: + return("Underflow"); + case DB_STRONG_FAIL: + return("Failed, retry will not succeed"); + case DB_ZIP_OVERFLOW: + return("Zip overflow"); + case DB_RECORD_NOT_FOUND: + return("Record not found"); + case DB_END_OF_INDEX: + return("End of index"); + /* do not add default: in order to produce a warning if new code + is added to the enum but not added here */ + } + + /* we abort here because if unknown error code is given, this could + mean that memory corruption has happened and someone's error-code + variable has been overwritten with bogus data */ + ut_error; + + /* NOT REACHED */ + return("Unknown error"); +} From eef4feb31343171e324b4b0799eb14e4f66bd1b2 Mon Sep 17 00:00:00 2001 From: vdimov <> Date: Fri, 26 Mar 2010 12:54:03 +0000 Subject: [PATCH 183/400] branches/innodb+: Merge c6413 from branches/innodb+_persistent_stats: ------------------------------------------------------------------------ r6413 | vasil | 2010-01-11 15:18:35 +0200 (Mon, 11 Jan 2010) | 4 lines Changed paths: M /branches/innodb+_persistent_stats/include/pars0pars.h M /branches/innodb+_persistent_stats/pars/pars0pars.c branches/innodb+: Add a func to store uint64 Add a new function pars_info_add_uint64_literal() that adds a literal of type ib_uint64_t. ------------------------------------------------------------------------ --- include/pars0pars.h | 17 +++++++++++++++++ pars/pars0pars.c | 23 +++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/include/pars0pars.h b/include/pars0pars.h index fe5d76ebbb0..ccfb1d3d067 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -519,6 +519,23 @@ pars_info_add_int4_literal( /****************************************************************//** Equivalent to: +char buf[8]; +mach_write_ull(buf, val); +pars_info_add_literal(info, name, buf, 8, DATA_INT, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_uint64_literal( +/*=========================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + ib_uint64_t val); /*!< in: value */ + +/****************************************************************//** +Equivalent to: + char buf[8]; mach_write_to_8(buf, val); pars_info_add_literal(info, name, buf, 8, DATA_BINARY, 0); diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 9faf36d00a8..9a3d1dc7745 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -2030,6 +2030,29 @@ pars_info_add_int4_literal( /****************************************************************//** Equivalent to: +char buf[8]; +mach_write_ull(buf, val); +pars_info_add_literal(info, name, buf, 8, DATA_INT, 0); + +except that the buffer is dynamically allocated from the info struct's +heap. */ +UNIV_INTERN +void +pars_info_add_uint64_literal( +/*=========================*/ + pars_info_t* info, /*!< in: info struct */ + const char* name, /*!< in: name */ + ib_uint64_t val) /*!< in: value */ +{ + byte* buf = mem_heap_alloc(info->heap, 8); + + mach_write_ull(buf, val); + pars_info_add_literal(info, name, buf, 8, DATA_INT, 0); +} + +/****************************************************************//** +Equivalent to: + char buf[8]; mach_write_to_8(buf, val); pars_info_add_literal(info, name, buf, 8, DATA_FIXBINARY, 0); From 9d214d6f53710d3df31cb6b7322474f3fd3cb5a8 Mon Sep 17 00:00:00 2001 From: vdimov <> Date: Fri, 26 Mar 2010 14:19:01 +0000 Subject: [PATCH 184/400] Non-functional change: update copyright year to 2010 of the files that have been modified after 2010-01-01 according to svn. for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done --- buf/buf0buddy.c | 2 +- include/btr0btr.ic | 2 +- include/buf0buf.ic | 2 +- include/handler0alter.h | 2 +- include/mtr0mtr.ic | 2 +- include/pars0pars.h | 2 +- include/row0merge.h | 2 +- include/row0row.h | 2 +- include/row0sel.h | 2 +- include/row0types.h | 2 +- include/sync0rw.h | 2 +- include/ut0lst.h | 2 +- include/ut0ut.h | 2 +- os/os0thread.c | 2 +- pars/pars0pars.c | 2 +- plug.in | 2 +- row/row0purge.c | 2 +- row/row0row.c | 2 +- row/row0uins.c | 2 +- trx/trx0rec.c | 2 +- ut/ut0ut.c | 2 +- 21 files changed, 21 insertions(+), 21 deletions(-) diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 55b3995a3af..7118cb376ab 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2006, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/btr0btr.ic b/include/btr0btr.ic index 4ec27117d85..97944cc2e26 100644 --- a/include/btr0btr.ic +++ b/include/btr0btr.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/buf0buf.ic b/include/buf0buf.ic index 5a47c08ace7..b9a9662fdc5 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/include/handler0alter.h b/include/handler0alter.h index 7f5af6d2e76..017fe88d533 100644 --- a/include/handler0alter.h +++ b/include/handler0alter.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/mtr0mtr.ic b/include/mtr0mtr.ic index eaf68e1b393..18f8e87b3cf 100644 --- a/include/mtr0mtr.ic +++ b/include/mtr0mtr.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/pars0pars.h b/include/pars0pars.h index ccfb1d3d067..524fe4ac3e7 100644 --- a/include/pars0pars.h +++ b/include/pars0pars.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/row0merge.h b/include/row0merge.h index fbeb125ce7b..be7c77e7724 100644 --- a/include/row0merge.h +++ b/include/row0merge.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2005, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/row0row.h b/include/row0row.h index b40aa619f9f..195691a420b 100644 --- a/include/row0row.h +++ b/include/row0row.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/row0sel.h b/include/row0sel.h index 430493e4cde..8544b9d08ba 100644 --- a/include/row0sel.h +++ b/include/row0sel.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/row0types.h b/include/row0types.h index 1be729206ba..7d6a7c8e2b1 100644 --- a/include/row0types.h +++ b/include/row0types.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/sync0rw.h b/include/sync0rw.h index 630f6c30138..6f7e13220c1 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/include/ut0lst.h b/include/ut0lst.h index 94539bef9be..bb295ea1b22 100644 --- a/include/ut0lst.h +++ b/include/ut0lst.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/ut0ut.h b/include/ut0ut.h index 7eb5a374e52..dd59b3eba46 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Sun Microsystems, Inc. Portions of this file contain modifications contributed and copyrighted by diff --git a/os/os0thread.c b/os/os0thread.c index ac733373646..ab95b35c8c3 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/pars/pars0pars.c b/pars/pars0pars.c index 9a3d1dc7745..613e7962f0e 100644 --- a/pars/pars0pars.c +++ b/pars/pars0pars.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/plug.in b/plug.in index eb51e0ebaa1..4ca1b520526 100644 --- a/plug.in +++ b/plug.in @@ -1,5 +1,5 @@ # -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. +# Copyright (c) 2006, 2010, Innobase Oy. All Rights Reserved. # # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0purge.c b/row/row0purge.c index 92915fd42a4..da9d31f333f 100644 --- a/row/row0purge.c +++ b/row/row0purge.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0row.c b/row/row0row.c index caac11ebc61..6cdfa410c15 100644 --- a/row/row0row.c +++ b/row/row0row.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/row/row0uins.c b/row/row0uins.c index 601cb23c372..c35f1ef7a44 100644 --- a/row/row0uins.c +++ b/row/row0uins.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/trx/trx0rec.c b/trx/trx0rec.c index 38a0e4f0f44..bcc1f81381e 100644 --- a/trx/trx0rec.c +++ b/trx/trx0rec.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/ut/ut0ut.c b/ut/ut0ut.c index e39b7c7d8a5..6b65067aa54 100644 --- a/ut/ut0ut.c +++ b/ut/ut0ut.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved. Copyright (c) 2009, Sun Microsystems, Inc. Portions of this file contain modifications contributed and copyrighted by From 51124f3c77c3d5536e2a3b19b287a813640be144 Mon Sep 17 00:00:00 2001 From: vdimov <> Date: Sat, 27 Mar 2010 18:37:58 +0000 Subject: [PATCH 185/400] branches/innodb+: Merge an error code from branches/innodb+_persistent_stats, that is used in ut_strerr(). --- include/db0err.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/db0err.h b/include/db0err.h index 747e9b5364e..d339eb73fb9 100644 --- a/include/db0err.h +++ b/include/db0err.h @@ -93,6 +93,13 @@ enum db_err { DB_PRIMARY_KEY_IS_NULL, /* a column in the PRIMARY KEY was found to be NULL */ + DB_STATS_DO_NOT_EXIST, /* an operation that requires the + persistent storage, used for recording + table and index statistics, was + requested but this storage does not + exist itself or the stats for a given + table do not exist */ + /* The following are partial failure codes */ DB_FAIL = 1000, DB_OVERFLOW, From 9e85abaea136fa1eaafa03230829d2004b183c55 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 06:18:28 +0000 Subject: [PATCH 186/400] branches/innodb+: ibuf_get_volume_buffered(): Pass UT_ARR_SIZE(hash_bitmap) in all calls to ibuf_get_volume_buffered_count(). This mistake was made in r6866 and caused the follow-up of Issue #470. --- ibuf/ibuf0ibuf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 2f684a774db..5f33d125e5d 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2914,7 +2914,7 @@ ibuf_get_volume_buffered( } volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec, hash_bitmap, UT_ARR_SIZE(hash_bitmap), n_recs); rec = page_rec_get_prev(rec); ut_ad(page_align(rec) == prev_page); @@ -2940,7 +2940,7 @@ count_later: } volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec, hash_bitmap, UT_ARR_SIZE(hash_bitmap), n_recs); rec = page_rec_get_next(rec); } @@ -2989,7 +2989,7 @@ count_later: } volume += ibuf_get_volume_buffered_count( - rec, hash_bitmap, sizeof hash_bitmap, n_recs); + rec, hash_bitmap, UT_ARR_SIZE(hash_bitmap), n_recs); rec = page_rec_get_next(rec); ut_ad(page_align(rec) == next_page); From cefc7748b2fd0292b1bf531162d0b667f9bc863b Mon Sep 17 00:00:00 2001 From: jyang <> Date: Mon, 29 Mar 2010 07:34:42 +0000 Subject: [PATCH 187/400] branches/innodb+: Merge branches/perfschema back into innodb+. Check in code change for implementing Performace Schema in InnoDB. Objects in four different modules in InnoDB have been performance instrumented, these modules are: 1) mutexes 2) rwlocks 3) file I/O 4) threads MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We mostly preserved the existing APIs, but APIs would point to instrumented function wrappers if performance schema is defined. There are 4 different defines that controls the instrumentation of each module. The feature is off by default, and will be compiled in with special build option, and requre configure option to turn it on when server boots. For more detail design and functional information, please refer to performance schema wiki page. rb://270 approved by Marko Mäkelä --- Makefile.am | 1 + btr/btr0sea.c | 16 +- buf/buf0buf.c | 33 +++- dict/dict0dict.c | 22 ++- dict/dict0mem.c | 8 +- fil/fil0fil.c | 54 ++++-- ha/hash0hash.c | 8 +- handler/ha_innodb.cc | 236 +++++++++++++++++++---- ibuf/ibuf0ibuf.c | 15 +- include/os0file.h | 447 ++++++++++++++++++++++++++++++++++++++++--- include/os0file.ic | 408 +++++++++++++++++++++++++++++++++++++++ include/os0thread.h | 7 +- include/srv0srv.h | 31 +++ include/sync0rw.h | 353 +++++++++++++++++++++++++++------- include/sync0rw.ic | 262 +++++++++++++++++++++++++ include/sync0sync.h | 225 +++++++++++++++++++--- include/sync0sync.ic | 150 ++++++++++++++- include/univ.i | 17 ++ log/log0log.c | 25 ++- log/log0recv.c | 22 ++- mem/mem0dbg.c | 10 +- mem/mem0pool.c | 7 +- os/os0file.c | 84 ++++++-- os/os0thread.c | 5 + row/row0merge.c | 22 +++ srv/srv0srv.c | 39 +++- srv/srv0start.c | 44 ++++- sync/sync0arr.c | 8 +- sync/sync0rw.c | 21 +- sync/sync0sync.c | 25 ++- thr/thr0loc.c | 8 +- trx/trx0i_s.c | 15 +- trx/trx0purge.c | 16 +- trx/trx0roll.c | 4 + trx/trx0rseg.c | 7 +- trx/trx0sys.c | 18 +- trx/trx0trx.c | 7 +- ut/ut0wqueue.c | 7 +- 38 files changed, 2431 insertions(+), 256 deletions(-) create mode 100644 include/os0file.ic diff --git a/Makefile.am b/Makefile.am index 4e680134c0c..e64a92519e1 100644 --- a/Makefile.am +++ b/Makefile.am @@ -117,6 +117,7 @@ noinst_HEADERS= \ include/mtr0types.h \ include/mysql_addons.h \ include/os0file.h \ + include/os0file.ic \ include/os0proc.h \ include/os0proc.ic \ include/os0sync.h \ diff --git a/btr/btr0sea.c b/btr/btr0sea.c index ef7afeb1039..7f8a9af1dd8 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -50,6 +50,11 @@ UNIV_INTERN char btr_search_enabled = TRUE; /** Mutex protecting btr_search_enabled */ static mutex_t btr_search_enabled_mutex; +#ifdef UNIV_PFS_MUTEX +/* Key to register btr_search_enabled_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t btr_search_enabled_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /** A dummy variable to fool the compiler */ UNIV_INTERN ulint btr_search_this_is_zero = 0; @@ -82,6 +87,11 @@ UNIV_INTERN byte btr_sea_pad2[64]; /** The adaptive hash index */ UNIV_INTERN btr_search_sys_t* btr_search_sys; +#ifdef UNIV_PFS_RWLOCK +/* Key to register btr_search_sys with performance schema */ +UNIV_INTERN mysql_pfs_key_t btr_search_latch_key; +#endif /* UNIV_PFS_RWLOCK */ + /** If the number of records on the page divided by this parameter would have been successfully accessed using a hash index, the index is then built on the page, assuming the global limit has been reached */ @@ -167,8 +177,10 @@ btr_search_sys_create( btr_search_latch_temp = mem_alloc(sizeof(rw_lock_t)); - rw_lock_create(&btr_search_latch, SYNC_SEARCH_SYS); - mutex_create(&btr_search_enabled_mutex, SYNC_SEARCH_SYS_CONF); + rw_lock_create(btr_search_latch_key, &btr_search_latch, + SYNC_SEARCH_SYS); + mutex_create(btr_search_enabled_mutex_key, + &btr_search_enabled_mutex, SYNC_SEARCH_SYS_CONF); btr_search_sys = mem_alloc(sizeof(btr_search_sys_t)); diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 76ab28a3980..075a0a47938 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -270,6 +270,22 @@ read-ahead or flush occurs */ UNIV_INTERN ibool buf_debug_prints = FALSE; #endif /* UNIV_DEBUG */ +#ifdef UNIV_PFS_RWLOCK +/* Keys to register buffer block related rwlocks and mutexes with +performance schema */ +UNIV_INTERN mysql_pfs_key_t buf_block_lock_key; +# ifdef UNIV_SYNC_DEBUG +UNIV_INTERN mysql_pfs_key_t buf_block_debug_latch_key; +# endif /* UNIV_SYNC_DEBUG */ +#endif /* UNIV_PFS_RWLOCK */ + +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t buffer_block_mutex_key; +UNIV_INTERN mysql_pfs_key_t buf_pool_mutex_key; +UNIV_INTERN mysql_pfs_key_t buf_pool_zip_mutex_key; +UNIV_INTERN mysql_pfs_key_t flush_list_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /** A chunk of buffers. The buffer pool is allocated in chunks. */ struct buf_chunk_struct{ ulint mem_size; /*!< allocated size of the chunk */ @@ -678,13 +694,15 @@ buf_block_init( #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ page_zip_des_init(&block->page.zip); - mutex_create(&block->mutex, SYNC_BUF_BLOCK); + mutex_create(buffer_block_mutex_key, + &block->mutex, SYNC_BUF_BLOCK); - rw_lock_create(&block->lock, SYNC_LEVEL_VARYING); + rw_lock_create(buf_block_lock_key, &block->lock, SYNC_LEVEL_VARYING); ut_ad(rw_lock_validate(&(block->lock))); #ifdef UNIV_SYNC_DEBUG - rw_lock_create(&block->debug_latch, SYNC_NO_ORDER_CHECK); + rw_lock_create(buf_block_debug_latch_key, + &block->debug_latch, SYNC_NO_ORDER_CHECK); #endif /* UNIV_SYNC_DEBUG */ } @@ -955,8 +973,10 @@ buf_pool_init(void) /* 1. Initialize general fields ------------------------------- */ - mutex_create(&buf_pool_mutex, SYNC_BUF_POOL); - mutex_create(&buf_pool_zip_mutex, SYNC_BUF_BLOCK); + mutex_create(buf_pool_mutex_key, + &buf_pool_mutex, SYNC_BUF_POOL); + mutex_create(buf_pool_zip_mutex_key, + &buf_pool_zip_mutex, SYNC_BUF_BLOCK); buf_pool_mutex_enter(); @@ -984,7 +1004,8 @@ buf_pool_init(void) /* 2. Initialize flushing fields -------------------------------- */ - mutex_create(&buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); + mutex_create(flush_list_mutex_key, &buf_pool->flush_list_mutex, + SYNC_BUF_FLUSH_LIST); for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { buf_pool->no_flush[i] = os_event_create(NULL); } diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 8a03151d062..378c0d0c73c 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -70,6 +70,17 @@ we need this; NOTE: a transaction which reserves this must keep book on the mode in trx_struct::dict_operation_lock_mode */ UNIV_INTERN rw_lock_t dict_operation_lock; +/* Keys to register rwlocks and mutexes with performance schema */ +#ifdef UNIV_PFS_RWLOCK +UNIV_INTERN mysql_pfs_key_t dict_operation_lock_key; +UNIV_INTERN mysql_pfs_key_t index_tree_rw_lock_key; +#endif /* UNIV_PFS_RWLOCK */ + +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t dict_sys_mutex_key; +UNIV_INTERN mysql_pfs_key_t dict_foreign_err_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #define DICT_HEAP_SIZE 100 /*!< initial memory heap size when creating a table or index object */ #define DICT_POOL_PER_TABLE_HASH 512 /*!< buffer pool max size per table @@ -607,7 +618,7 @@ dict_init(void) { dict_sys = mem_alloc(sizeof(dict_sys_t)); - mutex_create(&dict_sys->mutex, SYNC_DICT); + mutex_create(dict_sys_mutex_key, &dict_sys->mutex, SYNC_DICT); dict_sys->table_hash = hash_create(buf_pool_get_curr_size() / (DICT_POOL_PER_TABLE_HASH @@ -619,12 +630,14 @@ dict_init(void) UT_LIST_INIT(dict_sys->table_LRU); - rw_lock_create(&dict_operation_lock, SYNC_DICT_OPERATION); + rw_lock_create(dict_operation_lock_key, + &dict_operation_lock, SYNC_DICT_OPERATION); dict_foreign_err_file = os_file_create_tmpfile(); ut_a(dict_foreign_err_file); - mutex_create(&dict_foreign_err_mutex, SYNC_ANY_LATCH); + mutex_create(dict_foreign_err_mutex_key, + &dict_foreign_err_mutex, SYNC_ANY_LATCH); } /**********************************************************************//** @@ -1567,7 +1580,8 @@ undo_size_ok: new_index->stat_n_leaf_pages = 1; new_index->page = page_no; - rw_lock_create(&new_index->lock, SYNC_INDEX_TREE); + rw_lock_create(index_tree_rw_lock_key, &new_index->lock, + SYNC_INDEX_TREE); if (!UNIV_UNLIKELY(new_index->type & DICT_UNIVERSAL)) { diff --git a/dict/dict0mem.c b/dict/dict0mem.c index ac081edf393..b2f58fbc63f 100644 --- a/dict/dict0mem.c +++ b/dict/dict0mem.c @@ -40,6 +40,11 @@ Created 1/8/1996 Heikki Tuuri #define DICT_HEAP_SIZE 100 /*!< initial memory heap size when creating a table or index object */ +#ifdef UNIV_PFS_MUTEX +/* Key to register autoinc_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t autoinc_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /**********************************************************************//** Creates a table memory object. @return own: table object */ @@ -78,7 +83,8 @@ dict_mem_table_create( #ifndef UNIV_HOTBACKUP table->autoinc_lock = mem_heap_alloc(heap, lock_get_size()); - mutex_create(&table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); + mutex_create(autoinc_mutex_key, + &table->autoinc_mutex, SYNC_DICT_AUTOINC_MUTEX); table->autoinc = 0; diff --git a/fil/fil0fil.c b/fil/fil0fil.c index 9ae912114db..9064710d062 100644 --- a/fil/fil0fil.c +++ b/fil/fil0fil.c @@ -121,6 +121,16 @@ UNIV_INTERN ulint fil_n_pending_tablespace_flushes = 0; /** The null file address */ UNIV_INTERN fil_addr_t fil_addr_null = {FIL_NULL, 0}; +#ifdef UNIV_PFS_MUTEX +/* Key to register fil_system_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t fil_system_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + +#ifdef UNIV_PFS_RWLOCK +/* Key to register file space latch with performance schema */ +UNIV_INTERN mysql_pfs_key_t fil_space_latch_key; +#endif /* UNIV_PFS_RWLOCK */ + /** File node of a tablespace or the log data space */ struct fil_node_struct { fil_space_t* space; /*!< backpointer to the space where this node @@ -649,7 +659,8 @@ fil_node_open_file( async I/O! */ node->handle = os_file_create_simple_no_error_handling( - node->name, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + innodb_file_data_key, node->name, OS_FILE_OPEN, + OS_FILE_READ_ONLY, &success); if (!success) { /* The following call prints an error message */ os_file_get_last_error(TRUE); @@ -767,15 +778,21 @@ add_size: os_file_create() to fall back to the normal file I/O mode. */ if (space->purpose == FIL_LOG) { - node->handle = os_file_create(node->name, OS_FILE_OPEN, - OS_FILE_AIO, OS_LOG_FILE, &ret); + node->handle = os_file_create(innodb_file_log_key, + node->name, OS_FILE_OPEN, + OS_FILE_AIO, OS_LOG_FILE, + &ret); } else if (node->is_raw_disk) { - node->handle = os_file_create(node->name, + node->handle = os_file_create(innodb_file_data_key, + node->name, OS_FILE_OPEN_RAW, - OS_FILE_AIO, OS_DATA_FILE, &ret); + OS_FILE_AIO, OS_DATA_FILE, + &ret); } else { - node->handle = os_file_create(node->name, OS_FILE_OPEN, - OS_FILE_AIO, OS_DATA_FILE, &ret); + node->handle = os_file_create(innodb_file_data_key, + node->name, OS_FILE_OPEN, + OS_FILE_AIO, OS_DATA_FILE, + &ret); } ut_a(ret); @@ -1212,7 +1229,7 @@ try_again: UT_LIST_INIT(space->chain); space->magic_n = FIL_SPACE_MAGIC_N; - rw_lock_create(&space->latch, SYNC_FSP); + rw_lock_create(fil_space_latch_key, &space->latch, SYNC_FSP); HASH_INSERT(fil_space_t, hash, fil_system->spaces, id, space); @@ -1514,7 +1531,8 @@ fil_init( fil_system = mem_alloc(sizeof(fil_system_t)); - mutex_create(&fil_system->mutex, SYNC_ANY_LATCH); + mutex_create(fil_system_mutex_key, + &fil_system->mutex, SYNC_ANY_LATCH); fil_system->spaces = hash_create(hash_size); fil_system->name_hash = hash_create(hash_size); @@ -2519,7 +2537,7 @@ retry: success = fil_rename_tablespace_in_mem(space, node, path); if (success) { - success = os_file_rename(old_path, path); + success = os_file_rename(innodb_file_data_key, old_path, path); if (!success) { /* We have to revert the changes we made @@ -2596,7 +2614,8 @@ fil_create_new_single_table_tablespace( path = fil_make_ibd_name(tablename, is_temp); - file = os_file_create(path, OS_FILE_CREATE, OS_FILE_NORMAL, + file = os_file_create(innodb_file_data_key, path, + OS_FILE_CREATE, OS_FILE_NORMAL, OS_DATA_FILE, &ret); if (ret == FALSE) { ut_print_timestamp(stderr); @@ -2798,7 +2817,8 @@ fil_reset_too_high_lsns( filepath = fil_make_ibd_name(name, FALSE); file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_WRITE, &success); + innodb_file_data_key, filepath, OS_FILE_OPEN, + OS_FILE_READ_WRITE, &success); if (!success) { /* The following call prints an error message */ os_file_get_last_error(TRUE); @@ -2982,7 +3002,8 @@ fil_open_single_table_tablespace( ut_a(!(flags & (~0UL << DICT_TF_BITS))); file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + innodb_file_data_key, filepath, OS_FILE_OPEN, + OS_FILE_READ_ONLY, &success); if (!success) { /* The following call prints an error message */ os_file_get_last_error(TRUE); @@ -3138,7 +3159,8 @@ fil_load_single_table_tablespace( # endif /* !UNIV_HOTBACKUP */ #endif file = os_file_create_simple_no_error_handling( - filepath, OS_FILE_OPEN, OS_FILE_READ_ONLY, &success); + innodb_file_data_key, filepath, OS_FILE_OPEN, + OS_FILE_READ_ONLY, &success); if (!success) { /* The following call prints an error message */ os_file_get_last_error(TRUE); @@ -3296,7 +3318,7 @@ fil_load_single_table_tablespace( os_file_close(file); new_path = fil_make_ibbackup_old_name(filepath); - ut_a(os_file_rename(filepath, new_path)); + ut_a(os_file_rename(innodb_file_data_key, filepath, new_path)); ut_free(buf2); mem_free(filepath); @@ -3334,7 +3356,7 @@ fil_load_single_table_tablespace( mutex_exit(&fil_system->mutex); - ut_a(os_file_rename(filepath, new_path)); + ut_a(os_file_rename(innodb_file_data_key, filepath, new_path)); ut_free(buf2); mem_free(filepath); diff --git a/ha/hash0hash.c b/ha/hash0hash.c index 2800d7793f8..5162e3d21a5 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -31,6 +31,11 @@ Created 5/20/1997 Heikki Tuuri #include "mem0mem.h" #ifndef UNIV_HOTBACKUP + +# ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t hash_table_mutex_key; +# endif /* UNIV_PFS_MUTEX */ + /************************************************************//** Reserves the mutex for a fold value in a hash table. */ UNIV_INTERN @@ -166,7 +171,8 @@ hash_create_mutexes_func( table->mutexes = mem_alloc(n_mutexes * sizeof(mutex_t)); for (i = 0; i < n_mutexes; i++) { - mutex_create(table->mutexes + i, sync_level); + mutex_create(hash_table_mutex_key, + table->mutexes + i, sync_level); } table->n_mutexes = n_mutexes; diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 0dc21ddd69c..b8736329260 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -48,6 +48,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA #include #include #include +#include /** @file ha_innodb.cc */ @@ -101,14 +102,14 @@ bool check_global_access(THD *thd, ulong want_access); #endif /* MYSQL_SERVER */ /** to protect innobase_open_files */ -static pthread_mutex_t innobase_share_mutex; +static mysql_mutex_t innobase_share_mutex; /** to force correct commit order in binlog */ -static pthread_mutex_t prepare_commit_mutex; +static mysql_mutex_t prepare_commit_mutex; static ulong commit_threads = 0; -static pthread_mutex_t commit_threads_m; -static pthread_cond_t commit_cond; -static pthread_mutex_t commit_cond_m; -static pthread_mutex_t analyze_mutex; +static mysql_mutex_t commit_threads_m; +static mysql_cond_t commit_cond; +static mysql_mutex_t commit_cond_m; +static mysql_mutex_t analyze_mutex; static bool innodb_inited = 0; #define INSIDE_HA_INNOBASE_CC @@ -199,6 +200,126 @@ static const char* innobase_change_buffering_values[IBUF_USE_COUNT] = { "all" /* IBUF_USE_ALL */ }; +#ifdef HAVE_PSI_INTERFACE +/* Keys to register pthread mutexes/cond in the current file with +performance schema */ +static mysql_pfs_key_t innobase_share_mutex_key; +static mysql_pfs_key_t prepare_commit_mutex_key; +static mysql_pfs_key_t commit_threads_m_key; +static mysql_pfs_key_t analyze_mutex_key; +static mysql_pfs_key_t commit_cond_mutex_key; +static mysql_pfs_key_t commit_cond_key; + +static PSI_mutex_info all_pthread_mutexes[] = { + {&analyze_mutex_key, "analyze_mutex", 0}, + {&commit_threads_m_key, "commit_threads_m", 0}, + {&commit_cond_mutex_key, "commit_cond_mutex", 0}, + {&innobase_share_mutex_key, "innobase_share_mutex", 0}, + {&prepare_commit_mutex_key, "prepare_commit_mutex", 0} +}; + +static PSI_cond_info all_innodb_conds[] = { + {&commit_cond_key, "commit_cond", 0} +}; + +# ifdef UNIV_PFS_MUTEX +/* all_innodb_mutexes array contains mutexes that are +performance schema instrumented if "UNIV_PFS_MUTEX" +is defined */ +static PSI_mutex_info all_innodb_mutexes[] = { + {&autoinc_mutex_key, "autoinc_mutex", 0}, + {&btr_search_enabled_mutex_key, "btr_search_enabled_mutex", 0}, + {&buffer_block_mutex_key, "buffer_block_mutex", 0}, + {&buf_pool_mutex_key, "buf_pool_mutex", 0}, + {&buf_pool_zip_mutex_key, "buf_pool_zip_mutex", 0}, + {&cache_last_read_mutex_key, "cache_last_read_mutex", 0}, + {&dict_foreign_err_mutex_key, "dict_foreign_err_mutex", 0}, + {&dict_sys_mutex_key, "dict_sys_mutex", 0}, + {&file_format_max_mutex_key, "file_format_max_mutex", 0}, + {&fil_system_mutex_key, "fil_system_mutex", 0}, + {&flush_list_mutex_key, "flush_list_mutex", 0}, + {&hash_table_mutex_key, "hash_table_mutex", 0}, + {&ibuf_bitmap_mutex_key, "ibuf_bitmap_mutex", 0}, + {&ibuf_mutex_key, "ibuf_mutex", 0}, + {&ibuf_pessimistic_insert_mutex_key, + "ibuf_pessimistic_insert_mutex", 0}, + {&ios_mutex_key, "ios_mutex", 0}, + {&kernel_mutex_key, "kernel_mutex", 0}, + {&log_sys_mutex_key, "log_sys_mutex", 0}, +# ifdef UNIV_MEM_DEBUG + {&mem_hash_mutex_key, "mem_hash_mutex", 0}, +# endif /* UNIV_MEM_DEBUG */ + {&mem_pool_mutex_key, "mem_pool_mutex", 0}, + {&mutex_list_mutex_key, "mutex_list_mutex", 0}, + {&purge_sys_mutex_key, "purge_sys_mutex", 0}, + {&recv_sys_mutex_key, "recv_sys_mutex", 0}, + {&rseg_mutex_key, "rseg_mutex", 0}, +# ifdef UNIV_SYNC_DEBUG + {&rw_lock_debug_mutex_key, "rw_lock_debug_mutex", 0}, +# endif /* UNIV_SYNC_DEBUG */ + {&rw_lock_list_mutex_key, "rw_lock_list_mutex", 0}, + {&rw_lock_mutex_key, "rw_lock_mutex", 0}, + {&srv_dict_tmpfile_mutex_key, "srv_dict_tmpfile_mutex", 0}, + {&srv_innodb_monitor_mutex_key, "srv_innodb_monitor_mutex", 0}, + {&srv_misc_tmpfile_mutex_key, "srv_misc_tmpfile_mutex", 0}, + {&srv_monitor_file_mutex_key, "srv_monitor_file_mutex", 0}, + {&syn_arr_mutex_key, "syn_arr_mutex", 0}, +# ifdef UNIV_SYNC_DEBUG + {&sync_thread_mutex_key, "sync_thread_mutex", 0}, +# endif /* UNIV_SYNC_DEBUG */ + {&trx_doublewrite_mutex_key, "trx_doublewrite_mutex", 0}, + {&thr_local_mutex_key, "thr_local_mutex", 0}, + {&trx_undo_mutex_key, "trx_undo_mutex", 0}, + {&wq_mutex_key, "wq_mutex", 0} +}; +# endif /* UNIV_PFS_MUTEX */ + +# ifdef UNIV_PFS_RWLOCK +/* all_innodb_rwlocks array contains rwlocks that are +performance schema instrumented if "UNIV_PFS_RWLOCK" +is defined */ +static PSI_rwlock_info all_innodb_rwlocks[] = { + {&btr_search_latch_key, "btr_search_latch", 0}, + {&buf_block_lock_key, "buf_block_lock", 0}, +# ifdef UNIV_SYNC_DEBUG + {&buf_block_debug_latch_key, "buf_block_debug_latch", 0}, +# endif /* UNIV_SYNC_DEBUG */ + {&dict_operation_lock_key, "dict_operation_lock", 0}, + {&fil_space_latch_key, "fil_space_latch", 0}, + {&checkpoint_lock_key, "checkpoint_lock", 0}, + {&archive_lock_key, "archive_lock", 0}, + {&trx_i_s_cache_lock_key, "trx_i_s_cache_lock", 0}, + {&trx_purge_latch_key, "trx_purge_latch", 0}, + {&index_tree_rw_lock_key, "index_tree_rw_lock", 0} +}; +# endif /* UNIV_PFS_RWLOCK */ + +# ifdef UNIV_PFS_THREAD +/* all_innodb_threads array contains threads that are +performance schema instrumented if "UNIV_PFS_THREAD" +is defined */ +static PSI_thread_info all_innodb_threads[] = { + {&trx_rollback_clean_thread_key, "trx_rollback_clean_thread", 0}, + {&io_handler_thread_key, "io_handler_thread", 0}, + {&srv_lock_timeout_thread_key, "srv_lock_timeout_thread", 0}, + {&srv_error_monitor_thread_key, "srv_error_monitor_thread", 0}, + {&srv_monitor_thread_key, "srv_monitor_thread", 0}, + {&srv_master_thread_key, "srv_master_thread", 0} +}; +# endif /* UNIV_PFS_THREAD */ + +# ifdef UNIV_PFS_IO +/* all_innodb_files array contains the type of files that are +performance schema instrumented if "UNIV_PFS_IO" is defined */ +static PSI_file_info all_innodb_files[] = { + {&innodb_file_data_key, "innodb_data_file", 0}, + {&innodb_file_log_key, "innodb_log_file", 0}, + {&innodb_file_temp_key, "innodb_temp_file", 0} +}; +# endif /* UNIV_PFS_IO */ +#endif /* HAVE_PSI_INTERFACE */ + + static INNOBASE_SHARE *get_share(const char *table_name); static void free_share(INNOBASE_SHARE *share); static int innobase_close_connection(handlerton *hton, THD* thd); @@ -2225,6 +2346,45 @@ innobase_change_buffering_inited_ok: innobase_commit_concurrency_init_default(); +#ifdef HAVE_PSI_INTERFACE + /* Register keys with MySQL performance schema */ + if (PSI_server) { + int count; + + count = array_elements(all_pthread_mutexes); + PSI_server->register_mutex("innodb", + all_pthread_mutexes, count); + +# ifdef UNIV_PFS_MUTEX + count = array_elements(all_innodb_mutexes); + PSI_server->register_mutex("innodb", + all_innodb_mutexes, count); +# endif /* UNIV_PFS_MUTEX */ + +# ifdef UNIV_PFS_RWLOCK + count = array_elements(all_innodb_rwlocks); + PSI_server->register_rwlock("innodb", + all_innodb_rwlocks, count); +# endif /* UNIV_PFS_MUTEX */ + +# ifdef UNIV_PFS_THREAD + count = array_elements(all_innodb_threads); + PSI_server->register_thread("innodb", + all_innodb_threads, count); +# endif /* UNIV_PFS_THREAD */ + +# ifdef UNIV_PFS_IO + count = array_elements(all_innodb_files); + PSI_server->register_file("innodb", + all_innodb_files, count); +# endif /* UNIV_PFS_IO */ + + count = array_elements(all_innodb_conds); + PSI_server->register_cond("innodb", + all_innodb_conds, count); + } +#endif /* HAVE_PSI_INTERFACE */ + /* Since we in this module access directly the fields of a trx struct, and due to different headers and flags it might happen that mutex_t has a different size in this module and in InnoDB @@ -2238,12 +2398,18 @@ innobase_change_buffering_inited_ok: } innobase_open_tables = hash_create(200); - pthread_mutex_init(&innobase_share_mutex, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&prepare_commit_mutex, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&commit_threads_m, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&commit_cond_m, MY_MUTEX_INIT_FAST); - pthread_mutex_init(&analyze_mutex, MY_MUTEX_INIT_FAST); - pthread_cond_init(&commit_cond, NULL); + mysql_mutex_init(innobase_share_mutex_key, + &innobase_share_mutex, + MY_MUTEX_INIT_FAST); + mysql_mutex_init(prepare_commit_mutex_key, + &prepare_commit_mutex, MY_MUTEX_INIT_FAST); + mysql_mutex_init(commit_threads_m_key, + &commit_threads_m, MY_MUTEX_INIT_FAST); + mysql_mutex_init(commit_cond_mutex_key, + &commit_cond_m, MY_MUTEX_INIT_FAST); + mysql_mutex_init(analyze_mutex_key, + &analyze_mutex, MY_MUTEX_INIT_FAST); + mysql_cond_init(commit_cond_key, &commit_cond, NULL); innodb_inited= 1; #ifdef MYSQL_DYNAMIC_PLUGIN if (innobase_hton != p) { @@ -2293,12 +2459,12 @@ innobase_end( srv_free_paths_and_sizes(); my_free(internal_innobase_data_file_path, MYF(MY_ALLOW_ZERO_PTR)); - pthread_mutex_destroy(&innobase_share_mutex); - pthread_mutex_destroy(&prepare_commit_mutex); - pthread_mutex_destroy(&commit_threads_m); - pthread_mutex_destroy(&commit_cond_m); - pthread_mutex_destroy(&analyze_mutex); - pthread_cond_destroy(&commit_cond); + mysql_mutex_destroy(&innobase_share_mutex); + mysql_mutex_destroy(&prepare_commit_mutex); + mysql_mutex_destroy(&commit_threads_m); + mysql_mutex_destroy(&commit_cond_m); + mysql_mutex_destroy(&analyze_mutex); + mysql_cond_destroy(&commit_cond); } DBUG_RETURN(err); @@ -2463,18 +2629,18 @@ innobase_commit( prepare_commit_mutex */ retry: if (innobase_commit_concurrency > 0) { - pthread_mutex_lock(&commit_cond_m); + mysql_mutex_lock(&commit_cond_m); commit_threads++; if (commit_threads > innobase_commit_concurrency) { commit_threads--; - pthread_cond_wait(&commit_cond, + mysql_cond_wait(&commit_cond, &commit_cond_m); - pthread_mutex_unlock(&commit_cond_m); + mysql_mutex_unlock(&commit_cond_m); goto retry; } else { - pthread_mutex_unlock(&commit_cond_m); + mysql_mutex_unlock(&commit_cond_m); } } @@ -2502,15 +2668,15 @@ retry: trx->flush_log_later = FALSE; if (innobase_commit_concurrency > 0) { - pthread_mutex_lock(&commit_cond_m); + mysql_mutex_lock(&commit_cond_m); commit_threads--; - pthread_cond_signal(&commit_cond); - pthread_mutex_unlock(&commit_cond_m); + mysql_cond_signal(&commit_cond); + mysql_mutex_unlock(&commit_cond_m); } if (trx->active_trans == 2) { - pthread_mutex_unlock(&prepare_commit_mutex); + mysql_mutex_unlock(&prepare_commit_mutex); } /* Now do a write + flush of logs. */ @@ -7666,12 +7832,12 @@ ha_innobase::analyze( { /* Serialize ANALYZE TABLE inside InnoDB, see Bug#38996 Race condition in ANALYZE TABLE */ - pthread_mutex_lock(&analyze_mutex); + mysql_mutex_lock(&analyze_mutex); /* Simply call ::info() with all the flags */ info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); - pthread_mutex_unlock(&analyze_mutex); + mysql_mutex_unlock(&analyze_mutex); return(0); } @@ -8696,8 +8862,8 @@ innodb_show_status( read the contents of the temporary file */ if (!(str = (char*) my_malloc(usable_len + 1, MYF(0)))) { - mutex_exit(&srv_monitor_file_mutex); - DBUG_RETURN(TRUE); + mutex_exit(&srv_monitor_file_mutex); + DBUG_RETURN(TRUE); } rewind(srv_monitor_file); @@ -8937,7 +9103,7 @@ bool innobase_show_status(handlerton *hton, THD* thd, static INNOBASE_SHARE* get_share(const char* table_name) { INNOBASE_SHARE *share; - pthread_mutex_lock(&innobase_share_mutex); + mysql_mutex_lock(&innobase_share_mutex); ulint fold = ut_fold_string(table_name); @@ -8971,14 +9137,14 @@ static INNOBASE_SHARE* get_share(const char* table_name) } share->use_count++; - pthread_mutex_unlock(&innobase_share_mutex); + mysql_mutex_unlock(&innobase_share_mutex); return(share); } static void free_share(INNOBASE_SHARE* share) { - pthread_mutex_lock(&innobase_share_mutex); + mysql_mutex_lock(&innobase_share_mutex); #ifdef UNIV_DEBUG INNOBASE_SHARE* share2; @@ -9009,7 +9175,7 @@ static void free_share(INNOBASE_SHARE* share) shrinks too much */ } - pthread_mutex_unlock(&innobase_share_mutex); + mysql_mutex_unlock(&innobase_share_mutex); } /*****************************************************************//** @@ -9718,7 +9884,7 @@ innobase_xa_prepare( In this case we cannot know how many minutes or hours will be between XA PREPARE and XA COMMIT, and we don't want to block for undefined period of time. */ - pthread_mutex_lock(&prepare_commit_mutex); + mysql_mutex_lock(&prepare_commit_mutex); trx->active_trans = 2; } diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 5f33d125e5d..7fcf781ee44 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -197,6 +197,12 @@ UNIV_INTERN ibuf_t* ibuf = NULL; /** Counter for ibuf_should_try() */ UNIV_INTERN ulint ibuf_flush_count = 0; +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t ibuf_pessimistic_insert_mutex_key; +UNIV_INTERN mysql_pfs_key_t ibuf_mutex_key; +UNIV_INTERN mysql_pfs_key_t ibuf_bitmap_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #ifdef UNIV_IBUF_COUNT_DEBUG /** Number of tablespaces in the ibuf_counts array */ #define IBUF_COUNT_N_SPACES 4 @@ -508,12 +514,15 @@ ibuf_init_at_db_start(void) ibuf->max_size = buf_pool_get_curr_size() / UNIV_PAGE_SIZE / IBUF_POOL_SIZE_PER_MAX_SIZE; - mutex_create(&ibuf_pessimistic_insert_mutex, + mutex_create(ibuf_pessimistic_insert_mutex_key, + &ibuf_pessimistic_insert_mutex, SYNC_IBUF_PESS_INSERT_MUTEX); - mutex_create(&ibuf_mutex, SYNC_IBUF_MUTEX); + mutex_create(ibuf_mutex_key, + &ibuf_mutex, SYNC_IBUF_MUTEX); - mutex_create(&ibuf_bitmap_mutex, SYNC_IBUF_BITMAP_MUTEX); + mutex_create(ibuf_bitmap_mutex_key, + &ibuf_bitmap_mutex, SYNC_IBUF_BITMAP_MUTEX); mtr_start(&mtr); diff --git a/include/os0file.h b/include/os0file.h index bb35362fc58..a112cb06697 100644 --- a/include/os0file.h +++ b/include/os0file.h @@ -76,18 +76,18 @@ extern ulint os_n_pending_writes; #ifdef __WIN__ /** File handle */ -#define os_file_t HANDLE +# define os_file_t HANDLE /** Convert a C file descriptor to a native file handle @param fd file descriptor @return native file handle */ -#define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) +# define OS_FILE_FROM_FD(fd) (HANDLE) _get_osfhandle(fd) #else /** File handle */ typedef int os_file_t; /** Convert a C file descriptor to a native file handle @param fd file descriptor @return native file handle */ -#define OS_FILE_FROM_FD(fd) fd +# define OS_FILE_FROM_FD(fd) fd #endif /** Umask for creating files */ @@ -182,6 +182,157 @@ extern ulint os_n_file_reads; extern ulint os_n_file_writes; extern ulint os_n_fsyncs; +#ifdef UNIV_PFS_IO +/* Keys to register InnoDB I/O with performance schema */ +extern mysql_pfs_key_t innodb_file_data_key; +extern mysql_pfs_key_t innodb_file_log_key; +extern mysql_pfs_key_t innodb_file_temp_key; + +/* Following four macros are instumentations to register +various file I/O operations with performance schema. +1) register_pfs_file_open_begin() and register_pfs_file_open_end() are +used to register file creation, opening, closing and renaming. +2) register_pfs_file_io_begin() and register_pfs_file_io_end() are +used to register actual file read, write and flush */ +# define register_pfs_file_open_begin(locker, key, op, name, \ + src_file, src_line) \ +do { \ + if (PSI_server) { \ + locker = PSI_server->get_thread_file_name_locker( \ + key, op, name, &locker); \ + if (locker) { \ + PSI_server->start_file_open_wait( \ + locker, src_file, src_line); \ + } \ + } \ +} while (0) + +# define register_pfs_file_open_end(locker, file) \ +do { \ + if (locker) { \ + PSI_server->end_file_open_wait_and_bind_to_descriptor( \ + locker, file); \ + } \ +} while (0) + +# define register_pfs_file_io_begin(locker, file, count, op, \ + src_file, src_line) \ +do { \ + if (PSI_server) { \ + locker = PSI_server->get_thread_file_descriptor_locker( \ + file, op); \ + if (locker) { \ + PSI_server->start_file_wait( \ + locker, count, src_file, src_line); \ + } \ + } \ +} while (0) + +# define register_pfs_file_io_end(locker, count) \ +do { \ + if (locker) { \ + PSI_server->end_file_wait(locker, count); \ + } \ +} while (0) +#endif /* UNIV_PFS_IO */ + +/* Following macros/functions are file I/O APIs that would be performance +schema instrumented if "UNIV_PFS_IO" is defined. They would point to +wrapper functions with performance schema instrumentation in such case. + +os_file_create +os_file_create_simple +os_file_create_simple_no_error_handling +os_file_close +os_file_rename +os_aio +os_file_read +os_file_read_no_error_handling +os_file_write + +The wrapper functions have the prefix of "innodb_". */ + +#ifdef UNIV_PFS_IO +# define os_file_create(key, name, create, purpose, type, success) \ + pfs_os_file_create_func(key, name, create, purpose, type, \ + success, __FILE__, __LINE__) + +# define os_file_create_simple(key, name, create, access, success) \ + pfs_os_file_create_simple_func(key, name, create, access, \ + success, __FILE__, __LINE__) + +# define os_file_create_simple_no_error_handling( \ + key, name, create_mode, access, success) \ + pfs_os_file_create_simple_no_error_handling_func( \ + key, name, create_mode, access, success, __FILE__, __LINE__) + +# define os_file_close(file) \ + pfs_os_file_close_func(file, __FILE__, __LINE__) + +# define os_aio(type, mode, name, file, buf, offset, offset_high, \ + n, message1, message2) \ + pfs_os_aio_func(type, mode, name, file, buf, offset, \ + offset_high, n, message1, message2, \ + __FILE__, __LINE__) + +# define os_file_read(file, buf, offset, offset_high, n) \ + pfs_os_file_read_func(file, buf, offset, offset_high, n, \ + __FILE__, __LINE__) + +# define os_file_read_no_error_handling(file, buf, offset, \ + offset_high, n) \ + pfs_os_file_read_no_error_handling_func(file, buf, offset, \ + offset_high, n, \ + __FILE__, __LINE__) + +# define os_file_write(name, file, buf, offset, offset_high, n) \ + pfs_os_file_write_func(name, file, buf, offset, offset_high, \ + n, __FILE__, __LINE__) + +# define os_file_flush(file) \ + pfs_os_file_flush_func(file, __FILE__, __LINE__) + +# define os_file_rename(key, oldpath, newpath) \ + pfs_os_file_rename_func(key, oldpath, newpath, __FILE__, __LINE__) +#else /* UNIV_PFS_IO */ + +/* If UNIV_PFS_IO is not defined, these I/O APIs point +to original un-instrumented file I/O APIs */ +# define os_file_create(key, name, create, purpose, type, success) \ + os_file_create_func(name, create, purpose, type, success) + +# define os_file_create_simple(key, name, create, access, success) \ + os_file_create_simple_func(name, create_mode, access, success) + +# define os_file_create_simple_no_error_handling( \ + key, name, create_mode, access, success) \ + os_file_create_simple_no_error_handling_func( \ + name, create_mode, access, success) + +# define os_file_close(file) os_file_close_func(file) + +# define os_aio(type, mode, name, file, buf, offset, offset_high, \ + n, message1, message2) \ + os_aio_func(type, mode, name, file, buf, offset, offset_high, n,\ + message1, message2) + +# define os_file_read(file, buf, offset, offset_high, n) \ + os_file_read_func(file, buf, offset, offset_high, n) + +# define os_file_read_no_error_handling(file, buf, offset, \ + offset_high, n) \ + os_file_read_no_error_handling_func(file, buf, offset, offset_high, n) + +# define os_file_write(name, file, buf, offset, offset_high, n) \ + os_file_write_func(name, file, buf, offset, offset_high, n) + +# define os_file_flush(file) os_file_flush_func(file) + +# define os_file_rename(key, oldpath, newpath) \ + os_file_rename_func(oldpath, newpath) + +#endif /* UNIV_PFS_IO */ + /* File types for directory entry data type */ enum os_file_type_enum{ @@ -291,13 +442,15 @@ os_file_create_directory( ibool fail_if_exists);/*!< in: if TRUE, pre-existing directory is treated as an error. */ /****************************************************************//** +NOTE! Use the corresponding macro os_file_create_simple(), not directly +this function! A simple function to open or create a file. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create_simple( -/*==================*/ +os_file_create_simple_func( +/*=======================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is @@ -311,13 +464,15 @@ os_file_create_simple( OS_FILE_READ_WRITE */ ibool* success);/*!< out: TRUE if succeed, FALSE if error */ /****************************************************************//** +NOTE! Use the corresponding macro +os_file_create_simple_no_error_handling(), not directly this function! A simple function to open or create a file. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create_simple_no_error_handling( -/*====================================*/ +os_file_create_simple_no_error_handling_func( +/*=========================================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file @@ -341,13 +496,15 @@ os_file_set_nocache( const char* operation_name);/*!< in: "open" or "create"; used in the diagnostic message */ /****************************************************************//** +NOTE! Use the corresponding macro os_file_create(), not directly +this function! Opens an existing file or creates a new. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create( -/*===========*/ +os_file_create_func( +/*================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file @@ -385,25 +542,258 @@ os_file_delete_if_exists( /*=====================*/ const char* name); /*!< in: file path as a null-terminated string */ /***********************************************************************//** +NOTE! Use the corresponding macro os_file_rename(), not directly +this function! Renames a file (can also move it to another directory). It is safest that the file is closed before calling this function. @return TRUE if success */ UNIV_INTERN ibool -os_file_rename( -/*===========*/ +os_file_rename_func( +/*================*/ const char* oldpath, /*!< in: old file path as a null-terminated string */ const char* newpath); /*!< in: new file path */ /***********************************************************************//** +NOTE! Use the corresponding macro os_file_close(), not directly this +function! Closes a file handle. In case of error, error number can be retrieved with os_file_get_last_error. @return TRUE if success */ UNIV_INTERN ibool -os_file_close( -/*==========*/ +os_file_close_func( +/*===============*/ os_file_t file); /*!< in, own: handle to a file */ + +#ifdef UNIV_PFS_IO +/****************************************************************//** +NOTE! Please use the corresponding macro os_file_create_simple(), +not directly this function! +A performance schema instrumented wrapper function for +os_file_create_simple() which opens or creates a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_simple_func( +/*===========================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is + opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), or + OS_FILE_CREATE_PATH if new file + (if exists, error) and subdirectories along + its path are created (if needed)*/ + ulint access_type,/*!< in: OS_FILE_READ_ONLY or + OS_FILE_READ_WRITE */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/****************************************************************//** +NOTE! Please use the corresponding macro +os_file_create_simple_no_error_handling(), not directly this function! +A performance schema instrumented wrapper function for +os_file_create_simple_no_error_handling(). Add instrumentation to +monitor file creation/open. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_simple_no_error_handling_func( +/*=============================================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error) */ + ulint access_type,/*!< in: OS_FILE_READ_ONLY, + OS_FILE_READ_WRITE, or + OS_FILE_READ_ALLOW_DELETE; the last option is + used by a backup program reading the file */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/****************************************************************//** +NOTE! Please use the corresponding macro os_file_create(), not directly +this function! +A performance schema wrapper function for os_file_create(). +Add instrumentation to monitor file creation/open. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_func( +/*====================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), + OS_FILE_OVERWRITE if a new file is created + or an old overwritten; + OS_FILE_OPEN_RAW, if a raw device or disk + partition should be opened */ + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, + non-buffered i/o is desired, + OS_FILE_NORMAL, if any normal file; + NOTE that it also depends on type, os_aio_.. + and srv_.. variables whether we really use + async i/o or unbuffered i/o: look in the + function source code for the exact rules */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_close(), not directly +this function! +A performance schema instrumented wrapper function for os_file_close(). +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_close_func( +/*===================*/ + os_file_t file, /*!< in, own: handle to a file */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ +/*******************************************************************//** +NOTE! Please use the corresponding macro os_file_read(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_read() which requests a synchronous read operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_read_func( +/*==================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/*******************************************************************//** +NOTE! Please use the corresponding macro os_file_read_no_error_handling(), +not directly this function! +This is the performance schema instrumented wrapper function for +os_file_read_no_error_handling_func() which requests a synchronous +read operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_read_no_error_handling_func( +/*====================================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/*******************************************************************//** +NOTE! Please use the corresponding macro os_aio(), not directly this +function! +Performance schema wrapper function of os_aio() which requests +an asynchronous i/o operation. +@return TRUE if request was queued successfully, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_aio_func( +/*============*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + ulint mode, /*!< in: OS_AIO_NORMAL etc. I/O mode */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read or from which + to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read or write */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read or write */ + fil_node_t* message1,/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + void* message2,/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ +/*******************************************************************//** +NOTE! Please use the corresponding macro os_file_write(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_write() which requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_write_func( +/*===================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to write */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to write */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_flush(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_flush() which flushes the write buffers of a given file to the disk. +Flushes the write buffers of a given file to the disk. +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_flush_func( +/*===================*/ + os_file_t file, /*!< in, own: handle to a file */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ + +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_rename(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_rename() +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_rename_func( +/*====================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* oldpath,/*!< in: old file path as a null-terminated + string */ + const char* newpath,/*!< in: new file path */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line);/*!< in: line where the func invoked */ +#endif /* UNIV_PFS_IO */ + #ifdef UNIV_HOTBACKUP /***********************************************************************//** Closes a file handle. @@ -455,12 +845,13 @@ os_file_set_eof( /*============*/ FILE* file); /*!< in: file to be truncated */ /***********************************************************************//** +NOTE! Use the corresponding macro os_file_flush(), not directly this function! Flushes the write buffers of a given file to the disk. @return TRUE if success */ UNIV_INTERN ibool -os_file_flush( -/*==========*/ +os_file_flush_func( +/*===============*/ os_file_t file); /*!< in, own: handle to a file */ /***********************************************************************//** Retrieves the last error number if an error occurs in a file io function. @@ -475,12 +866,13 @@ os_file_get_last_error( ibool report_all_errors); /*!< in: TRUE if we want an error message printed of all errors */ /*******************************************************************//** +NOTE! Use the corresponding macro os_file_read(), not directly this function! Requests a synchronous read operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_read( -/*=========*/ +os_file_read_func( +/*==============*/ os_file_t file, /*!< in: handle to a file */ void* buf, /*!< in: buffer where to read */ ulint offset, /*!< in: least significant 32 bits of file @@ -500,13 +892,15 @@ os_file_read_string( char* str, /*!< in: buffer where to read */ ulint size); /*!< in: size of buffer */ /*******************************************************************//** +NOTE! Use the corresponding macro os_file_read_no_error_handling(), +not directly this function! Requests a synchronous positioned read operation. This function does not do any error handling. In case of error it returns FALSE. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_read_no_error_handling( -/*===========================*/ +os_file_read_no_error_handling_func( +/*================================*/ os_file_t file, /*!< in: handle to a file */ void* buf, /*!< in: buffer where to read */ ulint offset, /*!< in: least significant 32 bits of file @@ -516,12 +910,14 @@ os_file_read_no_error_handling( ulint n); /*!< in: number of bytes to read */ /*******************************************************************//** +NOTE! Use the corresponding macro os_file_write(), not directly this +function! Requests a synchronous write operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_write( -/*==========*/ +os_file_write_func( +/*===============*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ os_file_t file, /*!< in: handle to a file */ @@ -607,12 +1003,13 @@ os_aio_free(void); /*=============*/ /*******************************************************************//** +NOTE! Use the corresponding macro os_aio(), not directly this function! Requests an asynchronous i/o operation. @return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN ibool -os_aio( -/*===*/ +os_aio_func( +/*========*/ ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed to OS_AIO_SIMULATED_WAKE_LATER: the @@ -808,4 +1205,8 @@ os_aio_linux_handle( ulint* type); /*!< out: OS_FILE_WRITE or ..._READ */ #endif /* LINUX_NATIVE_AIO */ +#ifndef UNIV_NONINL +#include "os0file.ic" +#endif + #endif diff --git a/include/os0file.ic b/include/os0file.ic new file mode 100644 index 00000000000..32f0e7cf666 --- /dev/null +++ b/include/os0file.ic @@ -0,0 +1,408 @@ +/***************************************************************************** + +Copyright (c) 2010, Oracle and/or its affiliates. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/os0file.ic +The interface to the operating system file io + +Created 2/20/2010 Jimmy Yang +*******************************************************/ + +#include "univ.i" + +#ifdef UNIV_PFS_IO +/****************************************************************//** +NOTE! Please use the corresponding macro os_file_create_simple(), +not directly this function! +A performance schema instrumented wrapper function for +os_file_create_simple() which opens or creates a file. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_simple_func( +/*===========================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is + opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), or + OS_FILE_CREATE_PATH if new file + (if exists, error) and subdirectories along + its path are created (if needed)*/ + ulint access_type,/*!< in: OS_FILE_READ_ONLY or + OS_FILE_READ_WRITE */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + os_file_t file; + struct PSI_file_locker* locker = NULL; + + /* register a file open or creation depending on "create_mode" */ + register_pfs_file_open_begin(locker, key, + ((create_mode == OS_FILE_CREATE) + ? PSI_FILE_CREATE + : PSI_FILE_OPEN), + name, src_file, src_line); + + file = os_file_create_simple_func(name, create_mode, + access_type, success); + + /* Regsiter the returning "file" value with the system */ + register_pfs_file_open_end(locker, file); + + return(file); +} + +/****************************************************************//** +NOTE! Please use the corresponding macro +os_file_create_simple_no_error_handling(), not directly this function! +A performance schema instrumented wrapper function for +os_file_create_simple_no_error_handling(). Add instrumentation to +monitor file creation/open. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_simple_no_error_handling_func( +/*=============================================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error) */ + ulint access_type,/*!< in: OS_FILE_READ_ONLY, + OS_FILE_READ_WRITE, or + OS_FILE_READ_ALLOW_DELETE; the last option is + used by a backup program reading the file */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + os_file_t file; + struct PSI_file_locker* locker = NULL; + + /* register a file open or creation depending on "create_mode" */ + register_pfs_file_open_begin(locker, key, + ((create_mode == OS_FILE_CREATE) + ? PSI_FILE_CREATE + : PSI_FILE_OPEN), + name, src_file, src_line); + + file = os_file_create_simple_no_error_handling_func( + name, create_mode, access_type, success); + + register_pfs_file_open_end(locker, file); + + return(file); +} + +/****************************************************************//** +NOTE! Please use the corresponding macro os_file_create(), not directly +this function! +A performance schema wrapper function for os_file_create(). +Add instrumentation to monitor file creation/open. +@return own: handle to the file, not defined if error, error number +can be retrieved with os_file_get_last_error */ +UNIV_INLINE +os_file_t +pfs_os_file_create_func( +/*====================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file + is opened (if does not exist, error), or + OS_FILE_CREATE if a new file is created + (if exists, error), + OS_FILE_OVERWRITE if a new file is created + or an old overwritten; + OS_FILE_OPEN_RAW, if a raw device or disk + partition should be opened */ + ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous, + non-buffered i/o is desired, + OS_FILE_NORMAL, if any normal file; + NOTE that it also depends on type, os_aio_.. + and srv_.. variables whether we really use + async i/o or unbuffered i/o: look in the + function source code for the exact rules */ + ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */ + ibool* success,/*!< out: TRUE if succeed, FALSE if error */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + os_file_t file; + struct PSI_file_locker* locker = NULL; + + /* register a file open or creation depending on "create_mode" */ + register_pfs_file_open_begin(locker, key, + ((create_mode == OS_FILE_CREATE) + ? PSI_FILE_CREATE + : PSI_FILE_OPEN), + name, src_file, src_line); + + file = os_file_create_func(name, create_mode, purpose, type, success); + + register_pfs_file_open_end(locker, file); + + return(file); +} + +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_close(), not directly +this function! +A performance schema instrumented wrapper function for os_file_close(). +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_close_func( +/*===================*/ + os_file_t file, /*!< in, own: handle to a file */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + /* register the file close */ + register_pfs_file_io_begin(locker, file, 0, PSI_FILE_CLOSE, + src_file, src_line); + + result = os_file_close_func(file); + + register_pfs_file_io_end(locker, 0); + + return(result); +} + +/*******************************************************************//** +NOTE! Please use the corresponding macro os_aio(), not directly this +function! +Performance schema instrumented wrapper function of os_aio() which +requests an asynchronous i/o operation. +@return TRUE if request was queued successfully, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_aio_func( +/*============*/ + ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ + ulint mode, /*!< in: OS_AIO_NORMAL etc. I/O mode */ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read or from which + to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read or write */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read or write */ + fil_node_t* message1,/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + void* message2,/*!< in: message for the aio handler + (can be used to identify a completed + aio operation); ignored if mode is + OS_AIO_SYNC */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + /* Register the read or write I/O depending on "type" */ + register_pfs_file_io_begin(locker, file, n, + (type == OS_FILE_WRITE) + ? PSI_FILE_WRITE + : PSI_FILE_READ, + src_file, src_line); + + result = os_aio_func(type, mode, name, file, buf, offset, offset_high, + n, message1, message2); + + register_pfs_file_io_end(locker, n); + + return(result); +} + +/*******************************************************************//** +NOTE! Please use the corresponding macro os_file_read(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_read() which requests a synchronous read operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_read_func( +/*==================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + register_pfs_file_io_begin(locker, file, n, PSI_FILE_READ, + src_file, src_line); + + result = os_file_read_func(file, buf, offset, offset_high, n); + + register_pfs_file_io_end(locker, n); + + return(result); +} + +/*******************************************************************//** +NOTE! Please use the corresponding macro +os_file_read_no_error_handling(), not directly this function! +This is the performance schema instrumented wrapper function for +os_file_read_no_error_handling() which requests a synchronous +positioned read operation. This function does not do any error +handling. In case of error it returns FALSE. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_read_no_error_handling_func( +/*====================================*/ + os_file_t file, /*!< in: handle to a file */ + void* buf, /*!< in: buffer where to read */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to read */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to read */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + register_pfs_file_io_begin(locker, file, n, PSI_FILE_READ, + src_file, src_line); + + result = os_file_read_no_error_handling_func(file, buf, offset, + offset_high, n); + + register_pfs_file_io_end(locker, n); + + return(result); +} + +/*******************************************************************//** +NOTE! Please use the corresponding macro os_file_write(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_write() which requests a synchronous write operation. +@return TRUE if request was successful, FALSE if fail */ +UNIV_INLINE +ibool +pfs_os_file_write_func( +/*===================*/ + const char* name, /*!< in: name of the file or path as a + null-terminated string */ + os_file_t file, /*!< in: handle to a file */ + const void* buf, /*!< in: buffer from which to write */ + ulint offset, /*!< in: least significant 32 bits of file + offset where to write */ + ulint offset_high,/*!< in: most significant 32 bits of + offset */ + ulint n, /*!< in: number of bytes to write */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + register_pfs_file_io_begin(locker, file, n, PSI_FILE_WRITE, + src_file, src_line); + + result = os_file_write_func(name, file, buf, offset, offset_high, n); + + register_pfs_file_io_end(locker, n); + + return(result); +} + +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_flush(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_flush() which flushes the write buffers of a given file to the disk. +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_flush_func( +/*===================*/ + os_file_t file, /*!< in, own: handle to a file */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + register_pfs_file_io_begin(locker, file, 0, PSI_FILE_SYNC, + src_file, src_line); + result = os_file_flush_func(file); + + register_pfs_file_io_end(locker, 0); + + return(result); +} + +/***********************************************************************//** +NOTE! Please use the corresponding macro os_file_rename(), not directly +this function! +This is the performance schema instrumented wrapper function for +os_file_rename() +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_os_file_rename_func( +/*====================*/ + mysql_pfs_key_t key, /*!< in: Performance Schema Key */ + const char* oldpath,/*!< in: old file path as a null-terminated + string */ + const char* newpath,/*!< in: new file path */ + const char* src_file,/*!< in: file name where func invoked */ + ulint src_line)/*!< in: line where the func invoked */ +{ + ibool result; + struct PSI_file_locker* locker = NULL; + + register_pfs_file_open_begin(locker, key, PSI_FILE_RENAME, newpath, + src_file, src_line); + + result = os_file_rename_func(oldpath, newpath); + + register_pfs_file_open_end(locker, 0); + + return(result); +} +#endif /* UNIV_PFS_IO */ diff --git a/include/os0thread.h b/include/os0thread.h index 6583de0005f..cc56e2158ee 100644 --- a/include/os0thread.h +++ b/include/os0thread.h @@ -56,6 +56,11 @@ typedef os_thread_t os_thread_id_t; /*!< In Unix we use the thread /* Define a function pointer type to use in a typecast */ typedef void* (*os_posix_f_t) (void*); +#ifdef HAVE_PSI_INTERFACE +/* Define for performance schema registration key */ +typedef unsigned int mysql_pfs_key_t; +#endif + /***************************************************************//** Compares two thread ids for equality. @return TRUE if equal */ @@ -86,7 +91,7 @@ os_thread_t os_thread_create( /*=============*/ #ifndef __WIN__ - os_posix_f_t start_f, + os_posix_f_t start_f, #else ulint (*start_f)(void*), /*!< in: pointer to function from which to start */ diff --git a/include/srv0srv.h b/include/srv0srv.h index c1778ccaf1b..5fb1cb15ac6 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -312,6 +312,37 @@ typedef struct srv_sys_struct srv_sys_t; /** The server system */ extern srv_sys_t* srv_sys; + +# ifdef UNIV_PFS_THREAD +/* Keys to register InnoDB threads with performance schema */ +extern mysql_pfs_key_t trx_rollback_clean_thread_key; +extern mysql_pfs_key_t io_handler_thread_key; +extern mysql_pfs_key_t srv_lock_timeout_thread_key; +extern mysql_pfs_key_t srv_error_monitor_thread_key; +extern mysql_pfs_key_t srv_monitor_thread_key; +extern mysql_pfs_key_t srv_master_thread_key; + +/* This macro register the current thread and its key with performance +schema */ +# define pfs_register_thread(key) \ +do { \ + if (PSI_server) { \ + struct PSI_thread* psi = PSI_server->new_thread(key, NULL, 0);\ + if (psi) { \ + PSI_server->set_thread(psi); \ + } \ + } \ +} while (0) + +/* This macro delist the current thread from performance schema */ +# define pfs_delete_thread() \ +do { \ + if (PSI_server) { \ + PSI_server->delete_current_thread(); \ + } \ +} while (0) +# endif /* UNIV_PFS_THREAD */ + #endif /* !UNIV_HOTBACKUP */ /** Types of raw partitions in innodb_data_file_path */ diff --git a/include/sync0rw.h b/include/sync0rw.h index 6f7e13220c1..a26b3418308 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -105,23 +105,138 @@ extern ib_int64_t rw_x_os_wait_count; set only when UNIV_SYNC_PERF_STAT is defined */ extern ib_int64_t rw_x_exit_count; +#ifdef UNIV_PFS_RWLOCK +/* Following are rwlock keys used to register with MySQL +performance schema */ +extern mysql_pfs_key_t btr_search_latch_key; +extern mysql_pfs_key_t buf_block_lock_key; +# ifdef UNIV_SYNC_DEBUG +extern mysql_pfs_key_t buf_block_debug_latch_key; +# endif +extern mysql_pfs_key_t dict_operation_lock_key; +extern mysql_pfs_key_t fil_space_latch_key; +extern mysql_pfs_key_t checkpoint_lock_key; +extern mysql_pfs_key_t archive_lock_key; +extern mysql_pfs_key_t trx_i_s_cache_lock_key; +extern mysql_pfs_key_t trx_purge_latch_key; +extern mysql_pfs_key_t index_tree_rw_lock_key; +#endif /* UNIV_PFS_RWLOCK */ + + +#ifndef UNIV_PFS_RWLOCK /******************************************************************//** Creates, or rather, initializes an rw-lock object in a specified memory location (which must be appropriately aligned). The rw-lock is initialized to the non-locked state. Explicit freeing of the rw-lock with rw_lock_free -is necessary only if the memory block containing it is freed. */ -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG -# define rw_lock_create(L, level) \ +is necessary only if the memory block containing it is freed. +if MySQL performance schema is enabled and "UNIV_PFS_RWLOCK" is +defined, the rwlock are instrumented with performance schema probes. */ +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_create(K, L, level) \ rw_lock_create_func((L), (level), #L, __FILE__, __LINE__) -# else /* UNIV_SYNC_DEBUG */ -# define rw_lock_create(L, level) \ +# else /* UNIV_SYNC_DEBUG */ +# define rw_lock_create(K, L, level) \ rw_lock_create_func((L), #L, __FILE__, __LINE__) -# endif /* UNIV_SYNC_DEBUG */ -#else /* UNIV_DEBUG */ -# define rw_lock_create(L, level) \ +# endif/* UNIV_SYNC_DEBUG */ +# else /* UNIV_DEBUG */ +# define rw_lock_create(K, L, level) \ rw_lock_create_func((L), __FILE__, __LINE__) -#endif /* UNIV_DEBUG */ +# endif /* UNIV_DEBUG */ + +/**************************************************************//** +NOTE! The following macros should be used in rw locking and +unlocking, not the corresponding function. */ + +# define rw_lock_s_lock(M) \ + rw_lock_s_lock_func((M), 0, __FILE__, __LINE__) + +# define rw_lock_s_lock_gen(M, P) \ + rw_lock_s_lock_func((M), (P), __FILE__, __LINE__) + +# define rw_lock_s_lock_nowait(M, F, L) \ + rw_lock_s_lock_low((M), 0, (F), (L)) + +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) +# else +# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) +# endif + + +# define rw_lock_x_lock(M) \ + rw_lock_x_lock_func((M), 0, __FILE__, __LINE__) + +# define rw_lock_x_lock_gen(M, P) \ + rw_lock_x_lock_func((M), (P), __FILE__, __LINE__) + +# define rw_lock_x_lock_nowait(M) \ + rw_lock_x_lock_func_nowait((M), __FILE__, __LINE__) + +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) +# else +# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) +# endif + +# define rw_lock_free(M) rw_lock_free_func(M) + +#else /* !UNIV_PFS_RWLOCK */ + +/* Following macros point to Performance Schema instrumented functions. */ +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_create(K, L, level) \ + pfs_rw_lock_create_func((K), (L), (level), #L, __FILE__, __LINE__) +# else /* UNIV_SYNC_DEBUG */ +# define rw_lock_create(K, L, level) \ + pfs_rw_lock_create_func((K), (L), #L, __FILE__, __LINE__) +# endif/* UNIV_SYNC_DEBUG */ +# else /* UNIV_DEBUG */ +# define rw_lock_create(K, L, level) \ + pfs_rw_lock_create_func((K), (L), __FILE__, __LINE__) +# endif /* UNIV_DEBUG */ + +/****************************************************************** +NOTE! The following macros should be used in rw locking and +unlocking, not the corresponding function. */ + +# define rw_lock_s_lock(M) \ + pfs_rw_lock_s_lock_func((M), 0, __FILE__, __LINE__) + +# define rw_lock_s_lock_gen(M, P) \ + pfs_rw_lock_s_lock_func((M), (P), __FILE__, __LINE__) + +# define rw_lock_s_lock_nowait(M, F, L) \ + pfs_rw_lock_s_lock_low((M), 0, (F), (L)) + +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_s_unlock_gen(L, P) pfs_rw_lock_s_unlock_func(P, L) +# else +# define rw_lock_s_unlock_gen(L, P) pfs_rw_lock_s_unlock_func(L) +# endif + +# define rw_lock_x_lock(M) \ + pfs_rw_lock_x_lock_func((M), 0, __FILE__, __LINE__) + +# define rw_lock_x_lock_gen(M, P) \ + pfs_rw_lock_x_lock_func((M), (P), __FILE__, __LINE__) + +# define rw_lock_x_lock_nowait(M) \ + pfs_rw_lock_x_lock_func_nowait((M), __FILE__, __LINE__) + +# ifdef UNIV_SYNC_DEBUG +# define rw_lock_x_unlock_gen(L, P) pfs_rw_lock_x_unlock_func(P, L) +# else +# define rw_lock_x_unlock_gen(L, P) pfs_rw_lock_x_unlock_func(L) +# endif + +# define rw_lock_free(M) pfs_rw_lock_free_func(M) + +#endif /* UNIV_PFS_RWLOCK */ + +#define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) +#define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) /******************************************************************//** Creates, or rather, initializes an rw-lock object in a specified memory @@ -137,18 +252,18 @@ rw_lock_create_func( # ifdef UNIV_SYNC_DEBUG ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /*!< in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ #endif /* UNIV_DEBUG */ const char* cfile_name, /*!< in: file name where created */ - ulint cline); /*!< in: file line where created */ + ulint cline); /*!< in: file line where created */ /******************************************************************//** Calling this function is obligatory only if the memory buffer containing the rw-lock is freed. Removes an rw-lock object from the global list. The rw-lock is checked to be in the non-locked state. */ UNIV_INTERN void -rw_lock_free( -/*=========*/ +rw_lock_free_func( +/*==============*/ rw_lock_t* lock); /*!< in: rw-lock */ #ifdef UNIV_DEBUG /******************************************************************//** @@ -161,24 +276,6 @@ rw_lock_validate( /*=============*/ rw_lock_t* lock); /*!< in: rw-lock */ #endif /* UNIV_DEBUG */ -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock(M) rw_lock_s_lock_func(\ - (M), 0, __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock_gen(M, P) rw_lock_s_lock_func(\ - (M), (P), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw s-locking, not the -corresponding function. */ - -#define rw_lock_s_lock_nowait(M, F, L) rw_lock_s_lock_low(\ - (M), 0, (F), (L)) /******************************************************************//** Low-level function which tries to lock an rw-lock in s-mode. Performs no spinning. @@ -233,33 +330,6 @@ rw_lock_s_unlock_func( #endif rw_lock_t* lock); /*!< in/out: rw-lock */ -#ifdef UNIV_SYNC_DEBUG -# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(P, L) -#else -# define rw_lock_s_unlock_gen(L, P) rw_lock_s_unlock_func(L) -#endif -/*******************************************************************//** -Releases a shared mode lock. */ -#define rw_lock_s_unlock(L) rw_lock_s_unlock_gen(L, 0) - -/**************************************************************//** -NOTE! The following macro should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock(M) rw_lock_x_lock_func(\ - (M), 0, __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macro should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock_gen(M, P) rw_lock_x_lock_func(\ - (M), (P), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macros should be used in rw x-locking, not the -corresponding function. */ - -#define rw_lock_x_lock_nowait(M) rw_lock_x_lock_func_nowait(\ - (M), __FILE__, __LINE__) /******************************************************************//** NOTE! Use the corresponding macro, not directly this function! Lock an rw-lock in exclusive mode for the current thread. If the rw-lock is locked @@ -290,14 +360,6 @@ rw_lock_x_unlock_func( #endif rw_lock_t* lock); /*!< in/out: rw-lock */ -#ifdef UNIV_SYNC_DEBUG -# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(P, L) -#else -# define rw_lock_x_unlock_gen(L, P) rw_lock_x_unlock_func(L) -#endif -/*******************************************************************//** -Releases an exclusive mode lock. */ -#define rw_lock_x_unlock(L) rw_lock_x_unlock_gen(L, 0) /******************************************************************//** Low-level function which locks an rw-lock in s-mode when we know that it @@ -540,6 +602,9 @@ struct rw_lock_struct { info list of the lock */ ulint level; /*!< Level in the global latching order. */ #endif /* UNIV_SYNC_DEBUG */ +#ifdef UNIV_PFS_RWLOCK + struct PSI_rwlock *pfs_psi;/*!< The instrumentation hook */ +#endif ulint count_os_wait; /*!< Count of os_waits. May not be accurate */ const char* cfile_name;/*!< File name where lock created */ /* last s-lock file/line is not guaranteed to be correct */ @@ -578,6 +643,160 @@ struct rw_lock_debug_struct { }; #endif /* UNIV_SYNC_DEBUG */ +/* For performance schema instrumentation, a new set of rwlock +wrap functions are created if "UNIV_PFS_RWLOCK" is defined. +The instrumentations are not planted directly into original +functions, so that we keep the underlying function as they +are. And in case, user wants to "take out" some rwlock from +instrumentation even if performance schema (UNIV_PFS_RWLOCK) +is defined, they can do so by reinstating APIs directly link to +original underlying functions. +The instrumented function names have prefix of "pfs_rw_lock_" vs. +original name prefix of "rw_lock_". Following are list of functions +that have been instrumented: + +rw_lock_create() +rw_lock_x_lock() +rw_lock_x_lock_gen() +rw_lock_x_lock_nowait() +rw_lock_x_unlock_gen() +rw_lock_s_lock() +rw_lock_s_lock_gen() +rw_lock_s_lock_nowait() +rw_lock_s_unlock_gen() +rw_lock_free() + +Two function APIs rw_lock_x_unlock_direct() and rw_lock_s_unlock_direct() +do not have any caller/user, they are not instrumented. +*/ + +#ifdef UNIV_PFS_RWLOCK +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_create_func() +NOTE! Please use the corresponding macro rw_lock_create(), not +directly this function! */ +UNIV_INLINE +void +pfs_rw_lock_create_func( +/*====================*/ + PSI_rwlock_key key, /*!< in: key registered with + performance schema */ + rw_lock_t* lock, /*!< in: rw lock */ +#ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ + const char* cmutex_name, /*!< in: mutex name */ +#endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ + +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_x_lock_func() +NOTE! Please use the corresponding macro rw_lock_x_lock(), not +directly this function! */ +UNIV_INLINE +void +pfs_rw_lock_x_lock_func( +/*====================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Performance schema instrumented wrap function for +rw_lock_x_lock_func_nowait() +NOTE! Please use the corresponding macro, not directly this function! +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_rw_lock_x_lock_func_nowait( +/*===========================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_lock_func() +NOTE! Please use the corresponding macro rw_lock_s_lock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_s_lock_func( +/*====================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_lock_func() +NOTE! Please use the corresponding macro rw_lock_s_lock(), not directly +this function! +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_rw_lock_s_lock_low( +/*===================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the + lock will be passed to another + thread to unlock */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_x_lock_func() +NOTE! Please use the corresponding macro rw_lock_x_lock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_x_lock_func( +/*====================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_unlock_func() +NOTE! Please use the corresponding macro rw_lock_s_unlock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_s_unlock_func( +/*======================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the + lock may have been passed to another + thread to unlock */ +#endif + rw_lock_t* lock); /*!< in/out: rw-lock */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_unlock_func() +NOTE! Please use the corresponding macro rw_lock_x_unlock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_x_unlock_func( +/*======================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the + lock may have been passed to another + thread to unlock */ +#endif + rw_lock_t* lock); /*!< in/out: rw-lock */ +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_free_func() +NOTE! Please use the corresponding macro rw_lock_free(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_free_func( +/*==================*/ + rw_lock_t* lock); /*!< in: rw-lock */ +#endif /* UNIV_PFS_RWLOCK */ + + #ifndef UNIV_NONINL #include "sync0rw.ic" #endif diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 7116f1b7c9b..28e88319d72 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -622,3 +622,265 @@ rw_lock_x_unlock_direct( rw_x_exit_count++; #endif } + +#ifdef UNIV_PFS_RWLOCK + +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_create_func(). +NOTE! Please use the corresponding macro rw_lock_create(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_create_func( +/*====================*/ + PSI_rwlock_key key, /*!< in: key registered with + performance schema */ + rw_lock_t* lock, /*!< in: pointer to memory */ +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ + const char* cmutex_name, /*!< in: mutex name */ +# endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ +{ + /* Initialize the rwlock for performance schema */ + lock->pfs_psi = PSI_server + ? PSI_server->init_rwlock(key, lock) + : NULL; + + /* The actual function to initialize an rwlock */ + rw_lock_create_func(lock, +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG + level, +# endif /* UNIV_SYNC_DEBUG */ + cmutex_name, +# endif /* UNIV_DEBUG */ + cfile_name, + cline); +} +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_x_lock_func() +NOTE! Please use the corresponding macro rw_lock_x_lock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_x_lock_func( +/*====================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the lock will + be passed to another thread to unlock */ + const char* file_name,/*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + struct PSI_rwlock_locker* locker = NULL; + + /* Record the entry of rw x lock request in performance schema */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + locker = PSI_server->get_thread_rwlock_locker( + lock->pfs_psi, PSI_RWLOCK_WRITELOCK); + + if (locker) { + PSI_server->start_rwlock_wrwait(locker, + file_name, line); + } + } + + rw_lock_x_lock_func(lock, pass, file_name, line); + + if (locker) { + PSI_server->end_rwlock_wrwait(locker, 0); + } +} +/******************************************************************//** +Performance schema instrumented wrap function for +rw_lock_x_lock_func_nowait() +NOTE! Please use the corresponding macro rw_lock_x_lock_func(), +not directly this function! +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_rw_lock_x_lock_func_nowait( +/*===========================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + const char* file_name,/*!< in: file name where lock + requested */ + ulint line) /*!< in: line where requested */ +{ + struct PSI_rwlock_locker* locker = NULL; + ibool ret; + + /* Record the entry of rw x lock request in performance schema */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + locker = PSI_server->get_thread_rwlock_locker( + lock->pfs_psi, PSI_RWLOCK_WRITELOCK); + + if (locker) { + PSI_server->start_rwlock_wrwait(locker, + file_name, line); + } + } + + ret = rw_lock_x_lock_func_nowait(lock, file_name, line); + + if (locker) { + PSI_server->end_rwlock_wrwait(locker, 0); + } + + return(ret); +} +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_free_func() +NOTE! Please use the corresponding macro rw_lock_free(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_free_func( +/*==================*/ + rw_lock_t* lock) /*!< in: pointer to rw-lock */ +{ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + PSI_server->destroy_rwlock(lock->pfs_psi); + lock->pfs_psi = NULL; + } + + rw_lock_free_func(lock); +} +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_lock_func() +NOTE! Please use the corresponding macro rw_lock_s_lock(), not +directly this function! */ +UNIV_INLINE +void +pfs_rw_lock_s_lock_func( +/*====================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the + lock will be passed to another + thread to unlock */ + const char* file_name,/*!< in: file name where lock + requested */ + ulint line) /*!< in: line where requested */ +{ + struct PSI_rwlock_locker* locker = NULL; + + /* Instrumented to inform we are aquiring a shared rwlock */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + locker = PSI_server->get_thread_rwlock_locker( + lock->pfs_psi, PSI_RWLOCK_READLOCK); + if (locker) { + PSI_server->start_rwlock_rdwait(locker, + file_name, line); + } + } + + rw_lock_s_lock_func(lock, pass, file_name, line); + + if (locker) { + PSI_server->end_rwlock_rdwait(locker, 0); + } +} +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_lock_func() +NOTE! Please use the corresponding macro rw_lock_s_lock(), not +directly this function! +@return TRUE if success */ +UNIV_INLINE +ibool +pfs_rw_lock_s_lock_low( +/*===================*/ + rw_lock_t* lock, /*!< in: pointer to rw-lock */ + ulint pass, /*!< in: pass value; != 0, if the + lock will be passed to another + thread to unlock */ + const char* file_name, /*!< in: file name where lock requested */ + ulint line) /*!< in: line where requested */ +{ + + struct PSI_rwlock_locker* locker = NULL; + ibool ret; + + /* Instrumented to inform we are aquiring a shared rwlock */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + locker = PSI_server->get_thread_rwlock_locker( + lock->pfs_psi, PSI_RWLOCK_READLOCK); + if (locker) { + PSI_server->start_rwlock_rdwait(locker, + file_name, line); + } + } + + ret = rw_lock_s_lock_low(lock, pass, file_name, line); + + if (locker) { + PSI_server->end_rwlock_rdwait(locker, 0); + } + + return(ret); +} + +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_x_unlock_func() +NOTE! Please use the corresponding macro rw_lock_x_unlock(), not directly +this function! */ +UNIV_INLINE +void +pfs_rw_lock_x_unlock_func( +/*======================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the + lock may have been passed to another + thread to unlock */ +#endif + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + /* Inform performance schema we are unlocking the lock */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + struct PSI_thread* thread; + thread = PSI_server->get_thread(); + if (thread) { + PSI_server->unlock_rwlock(thread, lock->pfs_psi); + } + } + + rw_lock_x_unlock_func( +#ifdef UNIV_SYNC_DEBUG + pass, +#endif + lock); +} + +/******************************************************************//** +Performance schema instrumented wrap function for rw_lock_s_unlock_func() +NOTE! Please use the corresponding macro pfs_rw_lock_s_unlock(), not +directly this function! */ +UNIV_INLINE +void +pfs_rw_lock_s_unlock_func( +/*======================*/ +#ifdef UNIV_SYNC_DEBUG + ulint pass, /*!< in: pass value; != 0, if the + lock may have been passed to another + thread to unlock */ +#endif + rw_lock_t* lock) /*!< in/out: rw-lock */ +{ + /* Inform performance schema we are unlocking the lock */ + if (UNIV_LIKELY(PSI_server && lock->pfs_psi)) { + struct PSI_thread* thread; + thread = PSI_server->get_thread(); + if (thread) { + PSI_server->unlock_rwlock(thread, lock->pfs_psi); + } + } + + rw_lock_s_unlock_func( +#ifdef UNIV_SYNC_DEBUG + pass, +#endif + lock); + +} +#endif /* UNIV_PFS_RWLOCK */ diff --git a/include/sync0sync.h b/include/sync0sync.h index a96edd3c361..8bdd3988e1e 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -52,6 +52,53 @@ typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates typedef byte lock_word_t; #endif +#ifdef UNIV_PFS_MUTEX +/* Key defines to register InnoDB mutexes with performance schema */ +extern mysql_pfs_key_t autoinc_mutex_key; +extern mysql_pfs_key_t btr_search_enabled_mutex_key; +extern mysql_pfs_key_t buffer_block_mutex_key; +extern mysql_pfs_key_t buf_pool_mutex_key; +extern mysql_pfs_key_t buf_pool_zip_mutex_key; +extern mysql_pfs_key_t cache_last_read_mutex_key; +extern mysql_pfs_key_t dict_foreign_err_mutex_key; +extern mysql_pfs_key_t dict_sys_mutex_key; +extern mysql_pfs_key_t file_format_max_mutex_key; +extern mysql_pfs_key_t fil_system_mutex_key; +extern mysql_pfs_key_t flush_list_mutex_key; +extern mysql_pfs_key_t hash_table_mutex_key; +extern mysql_pfs_key_t ibuf_bitmap_mutex_key; +extern mysql_pfs_key_t ibuf_mutex_key; +extern mysql_pfs_key_t ibuf_pessimistic_insert_mutex_key; +extern mysql_pfs_key_t ios_mutex_key; +extern mysql_pfs_key_t log_sys_mutex_key; +extern mysql_pfs_key_t kernel_mutex_key; +# ifdef UNIV_MEM_DEBUG +extern mysql_pfs_key_t mem_hash_mutex_key; +# endif /* UNIV_MEM_DEBUG */ +extern mysql_pfs_key_t mem_pool_mutex_key; +extern mysql_pfs_key_t mutex_list_mutex_key; +extern mysql_pfs_key_t purge_sys_mutex_key; +extern mysql_pfs_key_t recv_sys_mutex_key; +extern mysql_pfs_key_t rseg_mutex_key; +# ifdef UNIV_SYNC_DEBUG +extern mysql_pfs_key_t rw_lock_debug_mutex_key; +# endif /* UNIV_SYNC_DEBUG */ +extern mysql_pfs_key_t rw_lock_list_mutex_key; +extern mysql_pfs_key_t rw_lock_mutex_key; +extern mysql_pfs_key_t srv_dict_tmpfile_mutex_key; +extern mysql_pfs_key_t srv_innodb_monitor_mutex_key; +extern mysql_pfs_key_t srv_misc_tmpfile_mutex_key; +extern mysql_pfs_key_t srv_monitor_file_mutex_key; +extern mysql_pfs_key_t syn_arr_mutex_key; +# ifdef UNIV_SYNC_DEBUG +extern mysql_pfs_key_t sync_thread_mutex_key; +# endif /* UNIV_SYNC_DEBUG */ +extern mysql_pfs_key_t trx_doublewrite_mutex_key; +extern mysql_pfs_key_t thr_local_mutex_key; +extern mysql_pfs_key_t trx_undo_mutex_key; +extern mysql_pfs_key_t wq_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /******************************************************************//** Initializes the synchronization data structures. */ UNIV_INTERN @@ -64,24 +111,82 @@ UNIV_INTERN void sync_close(void); /*===========*/ + +#undef mutex_free /* Fix for MacOS X */ + +#ifdef UNIV_PFS_MUTEX +/********************************************************************** +Following mutex APIs would be performance schema instrumented +if "UNIV_PFS_MUTEX" is defined: + +mutex_create +mutex_enter +mutex_exit +mutex_enter_nowait +mutex_free + +These mutex APIs will point to corresponding wrapper functions that contain +the performance schema instrumentation if "UNIV_PFS_MUTEX" is defined. +The instrumented wrapper functions have the prefix of "innodb_". + +NOTE! The following macro should be used in mutex operation, not the +corresponding function. */ + /******************************************************************//** Creates, or rather, initializes a mutex object to a specified memory location (which must be appropriately aligned). The mutex is initialized in the reset state. Explicit freeing of the mutex with mutex_free is necessary only if the memory block containing it is freed. */ - -#ifdef UNIV_DEBUG -# ifdef UNIV_SYNC_DEBUG -# define mutex_create(M, level) \ - mutex_create_func((M), #M, (level), __FILE__, __LINE__) +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define mutex_create(K, M, level) \ + pfs_mutex_create_func((K), (M), #M, (level), __FILE__, __LINE__) +# else +# define mutex_create(K, M, level) \ + pfs_mutex_create_func((K), (M), #M, __FILE__, __LINE__) +# endif/* UNIV_SYNC_DEBUG */ # else -# define mutex_create(M, level) \ +# define mutex_create(K, M, level) \ + pfs_mutex_create_func((K), (M), __FILE__, __LINE__) +# endif /* UNIV_DEBUG */ + +# define mutex_enter(M) \ + pfs_mutex_enter_func((M), __FILE__, __LINE__) + +# define mutex_enter_nowait(M) \ + pfs_mutex_enter_nowait_func((M), __FILE__, __LINE__) + +# define mutex_exit(M) pfs_mutex_exit_func(M) + +# define mutex_free(M) pfs_mutex_free_func(M) + +#else /* UNIV_PFS_MUTEX */ + +/* If "UNIV_PFS_MUTEX" is not defined, the mutex APIs point to +original non-instrumented functions */ +# ifdef UNIV_DEBUG +# ifdef UNIV_SYNC_DEBUG +# define mutex_create(K, M, level) \ + mutex_create_func((M), #M, (level), __FILE__, __LINE__) +# else /* UNIV_SYNC_DEBUG */ +# define mutex_create(K, M, level) \ mutex_create_func((M), #M, __FILE__, __LINE__) -# endif -#else -# define mutex_create(M, level) \ +# endif /* UNIV_SYNC_DEBUG */ +# else /* UNIV_DEBUG */ +# define mutex_create(K, M, level) \ mutex_create_func((M), __FILE__, __LINE__) -#endif +# endif /* UNIV_DEBUG */ + +# define mutex_enter(M) mutex_enter_func((M), __FILE__, __LINE__) + +# define mutex_enter_nowait(M) \ + mutex_enter_nowait_func((M), __FILE__, __LINE__) + +# define mutex_exit(M) mutex_exit_func(M) + +# define mutex_free(M) mutex_free_func(M) + +#endif /* UNIV_PFS_MUTEX */ /******************************************************************//** Creates, or rather, initializes a mutex object in a specified memory @@ -102,26 +207,20 @@ mutex_create_func( const char* cfile_name, /*!< in: file name where created */ ulint cline); /*!< in: file line where created */ -#undef mutex_free /* Fix for MacOS X */ - /******************************************************************//** +NOTE! Use the corresponding macro mutex_free(), not directly this function! Calling this function is obligatory only if the memory buffer containing the mutex is freed. Removes a mutex object from the mutex list. The mutex is checked to be in the reset state. */ UNIV_INTERN void -mutex_free( -/*=======*/ +mutex_free_func( +/*============*/ mutex_t* mutex); /*!< in: mutex */ /**************************************************************//** NOTE! The following macro should be used in mutex locking, not the corresponding function. */ -#define mutex_enter(M) mutex_enter_func((M), __FILE__, __LINE__) -/**************************************************************//** -NOTE! The following macro should be used in mutex locking, not the -corresponding function. */ - /* NOTE! currently same as mutex_enter! */ #define mutex_enter_fast(M) mutex_enter_func((M), __FILE__, __LINE__) @@ -137,12 +236,6 @@ mutex_enter_func( mutex_t* mutex, /*!< in: pointer to mutex */ const char* file_name, /*!< in: file name where locked */ ulint line); /*!< in: line where locked */ -/**************************************************************//** -NOTE! The following macro should be used in mutex locking, not the -corresponding function. */ - -#define mutex_enter_nowait(M) \ - mutex_enter_nowait_func((M), __FILE__, __LINE__) /********************************************************************//** NOTE! Use the corresponding macro in the header file, not this function directly. Tries to lock the mutex for the current thread. If the lock is not @@ -157,12 +250,86 @@ mutex_enter_nowait_func( requested */ ulint line); /*!< in: line where requested */ /******************************************************************//** +NOTE! Use the corresponding macro mutex_exit(), not directly this function! Unlocks a mutex owned by the current thread. */ UNIV_INLINE void -mutex_exit( -/*=======*/ +mutex_exit_func( +/*============*/ mutex_t* mutex); /*!< in: pointer to mutex */ + + +#ifdef UNIV_PFS_MUTEX +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_create(), not directly +this function! +A wrapper function for mutex_create_func(), registers the mutex +with peformance schema if "UNIV_PFS_MUTEX" is defined when +creating the mutex */ +UNIV_INLINE +void +pfs_mutex_create_func( +/*==================*/ + PSI_mutex_key key, /*!< in: Performance Schema key */ + mutex_t* mutex, /*!< in: pointer to memory */ +# ifdef UNIV_DEBUG + const char* cmutex_name, /*!< in: mutex name */ +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ +# endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline); /*!< in: file line where created */ +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_enter(), not directly +this function! +This is a performance schema instrumented wrapper function for +mutex_enter_func(). */ +UNIV_INLINE +void +pfs_mutex_enter_func( +/*=================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line); /*!< in: line where locked */ +/********************************************************************//** +NOTE! Please use the corresponding macro mutex_enter_nowait(), not directly +this function! +This is a performance schema instrumented wrapper function for +mutex_enter_nowait_func. +@return 0 if succeed, 1 if not */ +UNIV_INLINE +ulint +pfs_mutex_enter_nowait_func( +/*========================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex + requested */ + ulint line); /*!< in: line where requested */ +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_exit(), not directly +this function! +A wrap function of mutex_exit_func() with peformance schema instrumentation. +Unlocks a mutex owned by the current thread. */ +UNIV_INLINE +void +pfs_mutex_exit_func( +/*================*/ + mutex_t* mutex); /*!< in: pointer to mutex */ + +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_free(), not directly +this function! +Wrapper function for mutex_free_func(). Also destroys the performance +schema probes when freeing the mutex */ +UNIV_INLINE +void +pfs_mutex_free_func( +/*================*/ + mutex_t* mutex); /*!< in: mutex */ + +#endif /* UNIV_PFS_MUTEX */ + #ifdef UNIV_SYNC_DEBUG /******************************************************************//** Returns TRUE if no mutex or rw-lock is currently locked. @@ -551,6 +718,10 @@ struct mutex_struct { const char* cmutex_name; /*!< mutex name */ ulint mutex_type; /*!< 0=usual mutex, 1=rw_lock mutex */ #endif /* UNIV_DEBUG */ +#ifdef UNIV_PFS_MUTEX + struct PSI_mutex* pfs_psi; /*!< The performance schema + instrumentation hook */ +#endif }; /** The global array of wait cells for implementation of the databases own diff --git a/include/sync0sync.ic b/include/sync0sync.ic index b05020b5660..3d13725397d 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -152,11 +152,12 @@ mutex_get_waiters( } /******************************************************************//** +NOTE! Use the corresponding macro mutex_exit(), not directly this function! Unlocks a mutex owned by the current thread. */ UNIV_INLINE void -mutex_exit( -/*=======*/ +mutex_exit_func( +/*============*/ mutex_t* mutex) /*!< in: pointer to mutex */ { ut_ad(mutex_own(mutex)); @@ -220,3 +221,148 @@ mutex_enter_func( mutex_spin_wait(mutex, file_name, line); } + +#ifdef UNIV_PFS_MUTEX +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_enter(), not directly +this function! +This is a performance schema instrumented wrapper function for +mutex_enter_func(). */ +UNIV_INLINE +void +pfs_mutex_enter_func( +/*=================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where locked */ + ulint line) /*!< in: line where locked */ +{ + struct PSI_mutex_locker* locker = NULL; + int result = 0; + + if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { + locker = PSI_server->get_thread_mutex_locker( + mutex->pfs_psi, PSI_MUTEX_LOCK); + if (locker) { + PSI_server->start_mutex_wait(locker, file_name, line); + } + } + + mutex_enter_func(mutex, file_name, line); + + if (locker) { + PSI_server->end_mutex_wait(locker, result); + } +} +/********************************************************************//** +NOTE! Please use the corresponding macro mutex_enter_nowait(), not directly +this function! +This is a performance schema instrumented wrapper function for +mutex_enter_nowait_func. +@return 0 if succeed, 1 if not */ +UNIV_INLINE +ulint +pfs_mutex_enter_nowait_func( +/*========================*/ + mutex_t* mutex, /*!< in: pointer to mutex */ + const char* file_name, /*!< in: file name where mutex + requested */ + ulint line) /*!< in: line where requested */ +{ + ulint ret; + struct PSI_mutex_locker* locker = NULL; + int result = 0; + + if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { + locker = PSI_server->get_thread_mutex_locker( + mutex->pfs_psi, PSI_MUTEX_LOCK); + if (locker) { + PSI_server->start_mutex_wait(locker, file_name, line); + } + } + + ret = mutex_enter_nowait_func(mutex, file_name, line); + + if (locker) { + PSI_server->end_mutex_wait(locker, result); + } + + return(ret); +} +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_exit(), not directly +this function! +A wrap function of mutex_exit_func() with performance schema instrumentation. +Unlocks a mutex owned by the current thread. */ +UNIV_INLINE +void +pfs_mutex_exit_func( +/*================*/ + mutex_t* mutex) /*!< in: pointer to mutex */ +{ + if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { + struct PSI_thread* thread; + thread = PSI_server->get_thread(); + + if (thread) { + PSI_server->unlock_mutex(thread, mutex->pfs_psi); + } + } + + mutex_exit_func(mutex); +} + +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_create(), not directly +this function! +A wrapper function for mutex_create_func(), registers the mutex +with performance schema if "UNIV_PFS_MUTEX" is defined when +creating the mutex */ +UNIV_INLINE +void +pfs_mutex_create_func( +/*==================*/ + PSI_mutex_key key, /*!< in: Performance Schema key */ + mutex_t* mutex, /*!< in: pointer to memory */ +# ifdef UNIV_DEBUG + const char* cmutex_name, /*!< in: mutex name */ +# ifdef UNIV_SYNC_DEBUG + ulint level, /*!< in: level */ +# endif /* UNIV_SYNC_DEBUG */ +# endif /* UNIV_DEBUG */ + const char* cfile_name, /*!< in: file name where created */ + ulint cline) /*!< in: file line where created */ +{ + mutex->pfs_psi = PSI_server + ? PSI_server->init_mutex(key, mutex) + : NULL; + + mutex_create_func(mutex, +# ifdef UNIV_DEBUG + cmutex_name, +# ifdef UNIV_SYNC_DEBUG + level, +# endif /* UNIV_SYNC_DEBUG */ +# endif /* UNIV_DEBUG */ + cfile_name, + cline); +} +/******************************************************************//** +NOTE! Please use the corresponding macro mutex_free(), not directly +this function! +Wrapper function for mutex_free_func(). Also destroys the performance +schema probes when freeing the mutex */ +UNIV_INLINE +void +pfs_mutex_free_func( +/*===================*/ + mutex_t* mutex) /*!< in: mutex */ +{ + if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { + PSI_server->destroy_mutex(mutex->pfs_psi); + mutex->pfs_psi= NULL; + } + + mutex_free_func(mutex); +} + +#endif /* UNIV_PFS_MUTEX */ diff --git a/include/univ.i b/include/univ.i index e8596aa9483..ea0ad4e790c 100644 --- a/include/univ.i +++ b/include/univ.i @@ -144,6 +144,23 @@ Sun Studio */ #endif /* #if (defined(WIN32) || ... */ +/* Following defines are to enable performance schema +instrumentation in each of four InnoDB modules if +HAVE_PSI_INTERFACE is defined. */ +#ifdef HAVE_PSI_INTERFACE +# define UNIV_PFS_MUTEX +# define UNIV_PFS_RWLOCK +/* For I/O instrumentation, performance schema rely +on a native descriptor to identify the file, this +descriptor could conflict with our OS level descriptor. +Disable IO instrumentation on Windows until this is +resolved */ +# ifndef __WIN__ +# define UNIV_PFS_IO +# endif +# define UNIV_PFS_THREAD +#endif /* HAVE_PSI_INTERFACE */ + /* DEBUG VERSION CONTROL ===================== */ diff --git a/log/log0log.c b/log/log0log.c index 183c24d2147..55e1da5c075 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -82,6 +82,15 @@ UNIV_INTERN ulint log_fsp_current_free_limit = 0; /* Global log system variable */ UNIV_INTERN log_t* log_sys = NULL; +#ifdef UNIV_PFS_RWLOCK +UNIV_INTERN mysql_pfs_key_t checkpoint_lock_key; +UNIV_INTERN mysql_pfs_key_t archive_lock_key; +#endif /* UNIV_PFS_RWLOCK */ + +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t log_sys_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #ifdef UNIV_DEBUG UNIV_INTERN ibool log_do_write = TRUE; #endif /* UNIV_DEBUG */ @@ -756,7 +765,7 @@ log_init(void) { log_sys = mem_alloc(sizeof(log_t)); - mutex_create(&log_sys->mutex, SYNC_LOG); + mutex_create(log_sys_mutex_key, &log_sys->mutex, SYNC_LOG); mutex_enter(&(log_sys->mutex)); @@ -812,7 +821,8 @@ log_init(void) log_sys->last_checkpoint_lsn = log_sys->lsn; log_sys->n_pending_checkpoint_writes = 0; - rw_lock_create(&log_sys->checkpoint_lock, SYNC_NO_ORDER_CHECK); + rw_lock_create(checkpoint_lock_key, &log_sys->checkpoint_lock, + SYNC_NO_ORDER_CHECK); log_sys->checkpoint_buf_ptr = mem_alloc(2 * OS_FILE_LOG_BLOCK_SIZE); log_sys->checkpoint_buf = ut_align(log_sys->checkpoint_buf_ptr, @@ -828,7 +838,8 @@ log_init(void) log_sys->n_pending_archive_ios = 0; - rw_lock_create(&log_sys->archive_lock, SYNC_NO_ORDER_CHECK); + rw_lock_create(archive_lock_key, &log_sys->archive_lock, + SYNC_NO_ORDER_CHECK); log_sys->archive_buf = NULL; @@ -2354,13 +2365,15 @@ loop: log_archived_file_name_gen(name, group->id, group->archived_file_no + n_files); - file_handle = os_file_create(name, open_mode, OS_FILE_AIO, + file_handle = os_file_create(innodb_file_log_key, + name, open_mode, + OS_FILE_AIO, OS_DATA_FILE, &ret); if (!ret && (open_mode == OS_FILE_CREATE)) { file_handle = os_file_create( - name, OS_FILE_OPEN, OS_FILE_AIO, - OS_DATA_FILE, &ret); + innodb_file_log_key, name, OS_FILE_OPEN, + OS_FILE_AIO, OS_DATA_FILE, &ret); } if (!ret) { diff --git a/log/log0recv.c b/log/log0recv.c index 3e3aaa25ab2..2047439896a 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -148,6 +148,14 @@ is bigger than the lsn we are able to scan up to, that is an indication that the recovery failed and the database may be corrupt. */ UNIV_INTERN ib_uint64_t recv_max_page_lsn; +#ifdef UNIV_PFS_THREAD +UNIV_INTERN mysql_pfs_key_t trx_rollback_clean_thread_key; +#endif /* UNIV_PFS_THREAD */ + +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t recv_sys_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /* prototypes */ #ifndef UNIV_HOTBACKUP @@ -175,7 +183,7 @@ recv_sys_create(void) recv_sys = mem_alloc(sizeof(*recv_sys)); memset(recv_sys, 0x0, sizeof(*recv_sys)); - mutex_create(&recv_sys->mutex, SYNC_RECV); + mutex_create(recv_sys_mutex_key, &recv_sys->mutex, SYNC_RECV); recv_sys->heap = NULL; recv_sys->addr_hash = NULL; @@ -3426,8 +3434,10 @@ recv_reset_log_files_for_backup( sprintf(name, "%s%s%lu", log_dir, ib_logfile_basename, (ulong)i); - log_file = os_file_create_simple(name, OS_FILE_CREATE, - OS_FILE_READ_WRITE, &success); + log_file = os_file_create_simple(innodb_file_log_key, + name, OS_FILE_CREATE, + OS_FILE_READ_WRITE, + &success); if (!success) { fprintf(stderr, "InnoDB: Cannot create %s. Check that" @@ -3466,7 +3476,8 @@ recv_reset_log_files_for_backup( LOG_BLOCK_HDR_SIZE); sprintf(name, "%s%s%lu", log_dir, ib_logfile_basename, (ulong)0); - log_file = os_file_create_simple(name, OS_FILE_OPEN, + log_file = os_file_create_simple(innodb_file_log_key, + name, OS_FILE_OPEN, OS_FILE_READ_WRITE, &success); if (!success) { fprintf(stderr, "InnoDB: Cannot open %s.\n", name); @@ -3516,7 +3527,8 @@ try_open_again: log_archived_file_name_gen(name, group->id, group->archived_file_no); - file_handle = os_file_create(name, OS_FILE_OPEN, + file_handle = os_file_create(innodb_file_log_key, + name, OS_FILE_OPEN, OS_FILE_LOG, OS_FILE_AIO, &ret); if (ret == FALSE) { diff --git a/mem/mem0dbg.c b/mem/mem0dbg.c index 1cd2ff15bab..d91e610a08a 100644 --- a/mem/mem0dbg.c +++ b/mem/mem0dbg.c @@ -29,7 +29,13 @@ Created 6/9/1994 Heikki Tuuri /* The mutex which protects in the debug version the hash table containing the list of live memory heaps, and also the global variables below. */ -UNIV_INTERN mutex_t mem_hash_mutex; +UNIV_INTERN mutex_t mem_hash_mutex; + +#ifdef UNIV_PFS_MUTEX +/* Key to register mem_hash_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t mem_hash_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + # endif /* !UNIV_HOTBACKUP */ /* The following variables contain information about the @@ -149,7 +155,7 @@ mem_init( /* Initialize the hash table */ ut_a(FALSE == mem_hash_initialized); - mutex_create(&mem_hash_mutex, SYNC_MEM_HASH); + mutex_create(mem_hash_mutex_key, &mem_hash_mutex, SYNC_MEM_HASH); for (i = 0; i < MEM_HASH_SIZE; i++) { UT_LIST_INIT(*mem_hash_get_nth_cell(i)); diff --git a/mem/mem0pool.c b/mem/mem0pool.c index c4f8af607e0..cb33e788bee 100644 --- a/mem/mem0pool.c +++ b/mem/mem0pool.c @@ -114,6 +114,11 @@ struct mem_pool_struct{ /** The common memory pool */ UNIV_INTERN mem_pool_t* mem_comm_pool = NULL; +#ifdef UNIV_PFS_MUTEX +/* Key to register mutex in mem_pool_struct with performance schema */ +UNIV_INTERN mysql_pfs_key_t mem_pool_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /* We use this counter to check that the mem pool mutex does not leak; this is to track a strange assertion failure reported at mysql@lists.mysql.com */ @@ -219,7 +224,7 @@ mem_pool_create( pool->buf = ut_malloc_low(size, FALSE, TRUE); pool->size = size; - mutex_create(&pool->mutex, SYNC_MEM_POOL); + mutex_create(mem_pool_mutex_key, &pool->mutex, SYNC_MEM_POOL); /* Initialize the free lists */ diff --git a/os/os0file.c b/os/os0file.c index ae52bf3c6d5..c0551f8bd63 100644 --- a/os/os0file.c +++ b/os/os0file.c @@ -33,6 +33,11 @@ Created 10/21/1995 Heikki Tuuri *******************************************************/ #include "os0file.h" + +#ifdef UNIV_NONINL +#include "os0file.ic" +#endif + #include "ut0mem.h" #include "srv0srv.h" #include "srv0start.h" @@ -141,6 +146,13 @@ the completed IO request and calls completion routine on it. /** Flag: enable debug printout for asynchronous i/o */ UNIV_INTERN ibool os_aio_print_debug = FALSE; +#ifdef UNIV_PFS_IO +/* Keys to register InnoDB I/O with performance schema */ +UNIV_INTERN mysql_pfs_key_t innodb_file_data_key; +UNIV_INTERN mysql_pfs_key_t innodb_file_log_key; +UNIV_INTERN mysql_pfs_key_t innodb_file_temp_key; +#endif /* UNIV_PFS_IO */ + /** The asynchronous i/o array slot structure */ typedef struct os_aio_slot_struct os_aio_slot_t; @@ -1020,13 +1032,15 @@ os_file_create_directory( } /****************************************************************//** +NOTE! Use the corresponding macro os_file_create_simple(), not directly +this function! A simple function to open or create a file. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create_simple( -/*==================*/ +os_file_create_simple_func( +/*=======================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file is @@ -1161,13 +1175,15 @@ try_again: } /****************************************************************//** +NOTE! Use the corresponding macro +os_file_create_simple_no_error_handling(), not directly this function! A simple function to open or create a file. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create_simple_no_error_handling( -/*====================================*/ +os_file_create_simple_no_error_handling_func( +/*=========================================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file @@ -1316,13 +1332,15 @@ os_file_set_nocache( } /****************************************************************//** +NOTE! Use the corresponding macro os_file_create(), not directly +this function! Opens an existing file or creates a new. @return own: handle to the file, not defined if error, error number can be retrieved with os_file_get_last_error */ UNIV_INTERN os_file_t -os_file_create( -/*===========*/ +os_file_create_func( +/*================*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ ulint create_mode,/*!< in: OS_FILE_OPEN if an existing file @@ -1707,13 +1725,14 @@ loop: } /***********************************************************************//** +NOTE! Use the corresponding macro os_file_rename(), not directly this function! Renames a file (can also move it to another directory). It is safest that the file is closed before calling this function. @return TRUE if success */ UNIV_INTERN ibool -os_file_rename( -/*===========*/ +os_file_rename_func( +/*================*/ const char* oldpath,/*!< in: old file path as a null-terminated string */ const char* newpath)/*!< in: new file path */ @@ -1746,13 +1765,14 @@ os_file_rename( } /***********************************************************************//** +NOTE! Use the corresponding macro os_file_close(), not directly this function! Closes a file handle. In case of error, error number can be retrieved with os_file_get_last_error. @return TRUE if success */ UNIV_INTERN ibool -os_file_close( -/*==========*/ +os_file_close_func( +/*===============*/ os_file_t file) /*!< in, own: handle to a file */ { #ifdef __WIN__ @@ -2048,12 +2068,13 @@ os_file_fsync( #endif /* !__WIN__ */ /***********************************************************************//** +NOTE! Use the corresponding macro os_file_flush(), not directly this function! Flushes the write buffers of a given file to the disk. @return TRUE if success */ UNIV_INTERN ibool -os_file_flush( -/*==========*/ +os_file_flush_func( +/*===============*/ os_file_t file) /*!< in, own: handle to a file */ { #ifdef __WIN__ @@ -2360,12 +2381,14 @@ func_exit: #endif /*******************************************************************//** +NOTE! Use the corresponding macro os_file_read(), not directly this +function! Requests a synchronous positioned read operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_read( -/*=========*/ +os_file_read_func( +/*==============*/ os_file_t file, /*!< in: handle to a file */ void* buf, /*!< in: buffer where to read */ ulint offset, /*!< in: least significant 32 bits of file @@ -2483,13 +2506,15 @@ error_handling: } /*******************************************************************//** +NOTE! Use the corresponding macro os_file_read_no_error_handling(), +not directly this function! Requests a synchronous positioned read operation. This function does not do any error handling. In case of error it returns FALSE. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_read_no_error_handling( -/*===========================*/ +os_file_read_no_error_handling_func( +/*================================*/ os_file_t file, /*!< in: handle to a file */ void* buf, /*!< in: buffer where to read */ ulint offset, /*!< in: least significant 32 bits of file @@ -2611,12 +2636,14 @@ os_file_read_string( } /*******************************************************************//** +NOTE! Use the corresponding macro os_file_write(), not directly +this function! Requests a synchronous write operation. @return TRUE if request was successful, FALSE if fail */ UNIV_INTERN ibool -os_file_write( -/*==========*/ +os_file_write_func( +/*===============*/ const char* name, /*!< in: name of the file or path as a null-terminated string */ os_file_t file, /*!< in: handle to a file */ @@ -3908,12 +3935,13 @@ os_aio_linux_dispatch( /*******************************************************************//** +NOTE! Use the corresponding macro os_aio(), not directly this function! Requests an asynchronous i/o operation. @return TRUE if request was queued successfully, FALSE if fail */ UNIV_INTERN ibool -os_aio( -/*===*/ +os_aio_func( +/*========*/ ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */ ulint mode, /*!< in: OS_AIO_NORMAL, ..., possibly ORed to OS_AIO_SIMULATED_WAKE_LATER: the @@ -4222,6 +4250,18 @@ os_aio_windows_handle( /* retry failed read/write operation synchronously. No need to hold array->mutex. */ +#ifdef UNIV_PFS_IO + /* This read/write does not go through os_file_read + and os_file_write APIs, need to register with + performance schema explicitly here. */ + struct PSI_file_locker* locker = NULL; + register_pfs_file_io_begin(locker, slot->file, slot->len, + (slot->type == OS_FILE_WRITE) + ? PSI_FILE_WRITE + : PSI_FILE_READ, + __FILE__, __LINE__); +#endif + switch (slot->type) { case OS_FILE_WRITE: ret = WriteFile(slot->file, slot->buf, @@ -4239,6 +4279,10 @@ os_aio_windows_handle( ut_error; } +#ifdef UNIV_PFS_IO + register_pfs_file_io_end(locker, len); +#endif + if (!ret && GetLastError() == ERROR_IO_PENDING) { /* aio was queued successfully! We want a synchronous i/o operation on a diff --git a/os/os0thread.c b/os/os0thread.c index ab95b35c8c3..78df66d7834 100644 --- a/os/os0thread.c +++ b/os/os0thread.c @@ -212,6 +212,11 @@ os_thread_exit( fprintf(stderr, "Thread exits, id %lu\n", os_thread_pf(os_thread_get_curr_id())); #endif + +#ifdef UNIV_PFS_THREAD + pfs_delete_thread(); +#endif + os_mutex_enter(os_sync_mutex); os_thread_count--; os_mutex_exit(os_sync_mutex); diff --git a/row/row0merge.c b/row/row0merge.c index fdfe689ec90..908d142c98f 100644 --- a/row/row0merge.c +++ b/row/row0merge.c @@ -2145,9 +2145,22 @@ row_merge_file_create( /*==================*/ merge_file_t* merge_file) /*!< out: merge file structure */ { +#ifdef UNIV_PFS_IO + /* This temp file open does not go through normal + file APIs, add instrumentation to register with + performance schema */ + struct PSI_file_locker* locker = NULL; + register_pfs_file_open_begin(locker, innodb_file_temp_key, + PSI_FILE_OPEN, + "Innodb Merge Temp File", + __FILE__, __LINE__); +#endif merge_file->fd = innobase_mysql_tmpfile(); merge_file->offset = 0; merge_file->n_rec = 0; +#ifdef UNIV_PFS_IO + register_pfs_file_open_end(locker, merge_file->fd); +#endif } /*********************************************************************//** @@ -2158,10 +2171,19 @@ row_merge_file_destroy( /*===================*/ merge_file_t* merge_file) /*!< out: merge file structure */ { +#ifdef UNIV_PFS_IO + struct PSI_file_locker* locker = NULL; + register_pfs_file_io_begin(locker, merge_file->fd, 0, PSI_FILE_CLOSE, + __FILE__, __LINE__); +#endif if (merge_file->fd != -1) { close(merge_file->fd); merge_file->fd = -1; } + +#ifdef UNIV_PFS_IO + register_pfs_file_io_end(locker, 0); +#endif } /*********************************************************************//** diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 8b0f3788884..18aaac9e9f9 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -423,6 +423,20 @@ UNIV_INTERN mutex_t srv_innodb_monitor_mutex; /* Mutex for locking srv_monitor_file */ UNIV_INTERN mutex_t srv_monitor_file_mutex; + +#ifdef UNIV_PFS_MUTEX +/* Key to register kernel_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t kernel_mutex_key; +/* Key to register srv_innodb_monitor_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t srv_innodb_monitor_mutex_key; +/* Key to register srv_monitor_file_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t srv_monitor_file_mutex_key; +/* Key to register srv_dict_tmpfile_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t srv_dict_tmpfile_mutex_key; +/* Key to register the mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t srv_misc_tmpfile_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /* Temporary file for innodb monitor output */ UNIV_INTERN FILE* srv_monitor_file; /* Mutex for locking srv_dict_tmpfile. @@ -938,9 +952,10 @@ srv_init(void) srv_sys = mem_alloc(sizeof(srv_sys_t)); kernel_mutex_temp = mem_alloc(sizeof(mutex_t)); - mutex_create(&kernel_mutex, SYNC_KERNEL); + mutex_create(kernel_mutex_key, &kernel_mutex, SYNC_KERNEL); - mutex_create(&srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(srv_innodb_monitor_mutex_key, + &srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); srv_sys->threads = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); @@ -1979,6 +1994,11 @@ srv_monitor_thread( fprintf(stderr, "Lock timeout thread starts, id %lu\n", os_thread_pf(os_thread_get_curr_id())); #endif + +#ifdef UNIV_PFS_THREAD + pfs_register_thread(srv_monitor_thread_key); +#endif + UT_NOT_USED(arg); srv_last_monitor_time = time(NULL); last_table_monitor_time = time(NULL); @@ -2130,6 +2150,10 @@ srv_lock_timeout_thread( double wait_time; ulint i; +#ifdef UNIV_PFS_THREAD + pfs_register_thread(srv_lock_timeout_thread_key); +#endif + loop: /* When someone is waiting for a lock, we wake up every second and check if a timeout has passed for a lock wait */ @@ -2235,6 +2259,11 @@ srv_error_monitor_thread( fprintf(stderr, "Error monitor thread starts, id %lu\n", os_thread_pf(os_thread_get_curr_id())); #endif + +#ifdef UNIV_PFS_THREAD + pfs_register_thread(srv_error_monitor_thread_key); +#endif + loop: srv_error_monitor_active = TRUE; @@ -2403,6 +2432,11 @@ srv_master_thread( fprintf(stderr, "Master thread starts, id %lu\n", os_thread_pf(os_thread_get_curr_id())); #endif + +#ifdef UNIV_PFS_THREAD + pfs_register_thread(srv_master_thread_key); +#endif + srv_main_thread_process_no = os_proc_get_number(); srv_main_thread_id = os_thread_pf(os_thread_get_curr_id()); @@ -2828,6 +2862,7 @@ suspend_thread: already when the event wait ends */ os_thread_exit(NULL); + } /* When there is user activity, InnoDB will set the event and the diff --git a/srv/srv0start.c b/srv/srv0start.c index 30f4baa6598..356e23d3a5a 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -142,6 +142,19 @@ static char* srv_monitor_file_name; #define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD #define SRV_MAX_N_PENDING_SYNC_IOS 100 +#ifdef UNIV_PFS_THREAD +/* Keys to register InnoDB threads with performance schema */ +UNIV_INTERN mysql_pfs_key_t io_handler_thread_key; +UNIV_INTERN mysql_pfs_key_t srv_lock_timeout_thread_key; +UNIV_INTERN mysql_pfs_key_t srv_error_monitor_thread_key; +UNIV_INTERN mysql_pfs_key_t srv_monitor_thread_key; +UNIV_INTERN mysql_pfs_key_t srv_master_thread_key; +#endif /* UNIV_PFS_THREAD */ + +#ifdef UNIV_PFS_MUTEX +/* Key to register ios_mutex_key with performance schema */ +UNIV_INTERN mysql_pfs_key_t ios_mutex_key; +#endif /* UNIV_PFS_MUTEX */ /*********************************************************************//** Convert a numeric string that optionally ends in G or M, to a number @@ -471,6 +484,11 @@ io_handler_thread( fprintf(stderr, "Io handler thread %lu starts, id %lu\n", segment, os_thread_pf(os_thread_get_curr_id())); #endif + +#ifdef UNIV_PFS_THREAD + pfs_register_thread(io_handler_thread_key); +#endif /* UNIV_PFS_THREAD */ + for (i = 0;; i++) { fil_aio_wait(segment); @@ -584,7 +602,8 @@ open_or_create_log_file( sprintf(name + dirnamelen, "%s%lu", "ib_logfile", (ulong) i); - files[i] = os_file_create(name, OS_FILE_CREATE, OS_FILE_NORMAL, + files[i] = os_file_create(innodb_file_log_key, name, + OS_FILE_CREATE, OS_FILE_NORMAL, OS_LOG_FILE, &ret); if (ret == FALSE) { if (os_file_get_last_error(FALSE) != OS_FILE_ALREADY_EXISTS @@ -602,7 +621,8 @@ open_or_create_log_file( return(DB_ERROR); } - files[i] = os_file_create(name, OS_FILE_OPEN, OS_FILE_AIO, + files[i] = os_file_create(innodb_file_log_key, name, + OS_FILE_OPEN, OS_FILE_AIO, OS_LOG_FILE, &ret); if (!ret) { fprintf(stderr, @@ -767,7 +787,8 @@ open_or_create_data_files( /* First we try to create the file: if it already exists, ret will get value FALSE */ - files[i] = os_file_create(name, OS_FILE_CREATE, + files[i] = os_file_create(innodb_file_data_key, + name, OS_FILE_CREATE, OS_FILE_NORMAL, OS_DATA_FILE, &ret); @@ -794,7 +815,8 @@ open_or_create_data_files( srv_start_raw_disk_in_use = TRUE; srv_created_new_raw = TRUE; - files[i] = os_file_create(name, OS_FILE_OPEN_RAW, + files[i] = os_file_create(innodb_file_data_key, + name, OS_FILE_OPEN_RAW, OS_FILE_NORMAL, OS_DATA_FILE, &ret); if (!ret) { @@ -827,14 +849,17 @@ open_or_create_data_files( if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) { files[i] = os_file_create( + innodb_file_data_key, name, OS_FILE_OPEN_RAW, OS_FILE_NORMAL, OS_DATA_FILE, &ret); } else if (i == 0) { files[i] = os_file_create( + innodb_file_data_key, name, OS_FILE_OPEN_RETRY, OS_FILE_NORMAL, OS_DATA_FILE, &ret); } else { files[i] = os_file_create( + innodb_file_data_key, name, OS_FILE_OPEN, OS_FILE_NORMAL, OS_DATA_FILE, &ret); } @@ -977,7 +1002,7 @@ skip_size_check: ios = 0; - mutex_create(&ios_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(ios_mutex_key, &ios_mutex, SYNC_NO_ORDER_CHECK); return(DB_SUCCESS); } @@ -1238,7 +1263,8 @@ innobase_start_or_create_for_mysql(void) return((int) err); } - mutex_create(&srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(srv_monitor_file_mutex_key, + &srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK); if (srv_innodb_status) { srv_monitor_file_name = mem_alloc( @@ -1260,14 +1286,16 @@ innobase_start_or_create_for_mysql(void) } } - mutex_create(&srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION); + mutex_create(srv_dict_tmpfile_mutex_key, + &srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION); srv_dict_tmpfile = os_file_create_tmpfile(); if (!srv_dict_tmpfile) { return(DB_ERROR); } - mutex_create(&srv_misc_tmpfile_mutex, SYNC_ANY_LATCH); + mutex_create(srv_misc_tmpfile_mutex_key, + &srv_misc_tmpfile_mutex, SYNC_ANY_LATCH); srv_misc_tmpfile = os_file_create_tmpfile(); if (!srv_misc_tmpfile) { diff --git a/sync/sync0arr.c b/sync/sync0arr.c index ed9e25bf2f2..2cdac11a608 100644 --- a/sync/sync0arr.c +++ b/sync/sync0arr.c @@ -138,6 +138,11 @@ struct sync_array_struct { since creation of the array */ }; +#ifdef UNIV_PFS_MUTEX +/* Key to register the mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t syn_arr_mutex_key; +#endif + #ifdef UNIV_SYNC_DEBUG /******************************************************************//** This function is called only in the debug version. Detects a deadlock @@ -247,7 +252,8 @@ sync_array_create( if (protection == SYNC_ARRAY_OS_MUTEX) { arr->os_mutex = os_mutex_create(NULL); } else if (protection == SYNC_ARRAY_MUTEX) { - mutex_create(&arr->mutex, SYNC_NO_ORDER_CHECK); + mutex_create(syn_arr_mutex_key, + &arr->mutex, SYNC_NO_ORDER_CHECK); } else { ut_error; } diff --git a/sync/sync0rw.c b/sync/sync0rw.c index d231b6acdf7..c05c823ff61 100644 --- a/sync/sync0rw.c +++ b/sync/sync0rw.c @@ -168,12 +168,22 @@ UNIV_INTERN ib_int64_t rw_x_exit_count = 0; UNIV_INTERN rw_lock_list_t rw_lock_list; UNIV_INTERN mutex_t rw_lock_list_mutex; +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t rw_lock_list_mutex_key; +UNIV_INTERN mysql_pfs_key_t rw_lock_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #ifdef UNIV_SYNC_DEBUG /* The global mutex which protects debug info lists of all rw-locks. To modify the debug info list of an rw-lock, this mutex has to be acquired in addition to the mutex protecting the lock. */ UNIV_INTERN mutex_t rw_lock_debug_mutex; + +# ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t rw_lock_debug_mutex_key; +# endif + /* If deadlock detection does not get immediately the mutex, it may wait for this event */ UNIV_INTERN os_event_t rw_lock_debug_event; @@ -231,7 +241,7 @@ rw_lock_create_func( # ifdef UNIV_SYNC_DEBUG ulint level, /*!< in: level */ # endif /* UNIV_SYNC_DEBUG */ - const char* cmutex_name, /*!< in: mutex name */ + const char* cmutex_name, /*!< in: mutex name */ #endif /* UNIV_DEBUG */ const char* cfile_name, /*!< in: file name where created */ ulint cline) /*!< in: file line where created */ @@ -240,7 +250,8 @@ rw_lock_create_func( created, then the following call initializes the sync system. */ #ifndef INNODB_RW_LOCKS_USE_ATOMICS - mutex_create(rw_lock_get_mutex(lock), SYNC_NO_ORDER_CHECK); + mutex_create(rw_lock_mutex_key, rw_lock_get_mutex(lock), + SYNC_NO_ORDER_CHECK); lock->mutex.cfile_name = cfile_name; lock->mutex.cline = cline; @@ -298,8 +309,8 @@ the rw-lock is freed. Removes an rw-lock object from the global list. The rw-lock is checked to be in the non-locked state. */ UNIV_INTERN void -rw_lock_free( -/*=========*/ +rw_lock_free_func( +/*==============*/ rw_lock_t* lock) /*!< in: rw-lock */ { ut_ad(rw_lock_validate(lock)); @@ -607,7 +618,7 @@ rw_lock_x_lock_func( { ulint index; /*!< index of the reserved wait cell */ ulint i; /*!< spin round count */ - ibool spinning = FALSE; + ibool spinning = FALSE; ut_ad(rw_lock_validate(lock)); diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 1efcf9352f2..c7b4814e01e 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -198,6 +198,10 @@ UNIV_INTERN sync_thread_t* sync_thread_level_arrays; /** Mutex protecting sync_thread_level_arrays */ UNIV_INTERN mutex_t sync_thread_mutex; + +# ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t sync_thread_mutex_key; +# endif /* UNIV_PFS_MUTEX */ #endif /* UNIV_SYNC_DEBUG */ /** Global list of database mutexes (not OS mutexes) created. */ @@ -206,6 +210,10 @@ UNIV_INTERN ut_list_base_node_t mutex_list; /** Mutex protecting the mutex_list variable */ UNIV_INTERN mutex_t mutex_list_mutex; +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t mutex_list_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #ifdef UNIV_SYNC_DEBUG /** Latching order checks start when this is set TRUE */ UNIV_INTERN ibool sync_order_checks_on = FALSE; @@ -302,13 +310,14 @@ mutex_create_func( } /******************************************************************//** +NOTE! Use the corresponding macro mutex_free(), not directly this function! Calling this function is obligatory only if the memory buffer containing the mutex is freed. Removes a mutex object from the mutex list. The mutex is checked to be in the reset state. */ UNIV_INTERN void -mutex_free( -/*=======*/ +mutex_free_func( +/*============*/ mutex_t* mutex) /*!< in: mutex */ { ut_ad(mutex_validate(mutex)); @@ -1399,18 +1408,22 @@ sync_init(void) /* Init the mutex list and create the mutex to protect it. */ UT_LIST_INIT(mutex_list); - mutex_create(&mutex_list_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(mutex_list_mutex_key, &mutex_list_mutex, + SYNC_NO_ORDER_CHECK); #ifdef UNIV_SYNC_DEBUG - mutex_create(&sync_thread_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(sync_thread_mutex_key, &sync_thread_mutex, + SYNC_NO_ORDER_CHECK); #endif /* UNIV_SYNC_DEBUG */ /* Init the rw-lock list and create the mutex to protect it. */ UT_LIST_INIT(rw_lock_list); - mutex_create(&rw_lock_list_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(rw_lock_list_mutex_key, &rw_lock_list_mutex, + SYNC_NO_ORDER_CHECK); #ifdef UNIV_SYNC_DEBUG - mutex_create(&rw_lock_debug_mutex, SYNC_NO_ORDER_CHECK); + mutex_create(rw_lock_debug_mutex_key, &rw_lock_debug_mutex, + SYNC_NO_ORDER_CHECK); rw_lock_debug_event = os_event_create(NULL); rw_lock_debug_waiters = FALSE; diff --git a/thr/thr0loc.c b/thr/thr0loc.c index 59a234a6b72..045ff3e9fb1 100644 --- a/thr/thr0loc.c +++ b/thr/thr0loc.c @@ -53,6 +53,11 @@ static hash_table_t* thr_local_hash = NULL; /** Thread local data */ typedef struct thr_local_struct thr_local_t; +#ifdef UNIV_PFS_MUTEX +/* Key to register the mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t thr_local_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /** @brief Thread local data. The private data for each thread should be put to the structure below and the accessor functions written @@ -244,7 +249,8 @@ thr_local_init(void) thr_local_hash = hash_create(OS_THREAD_MAX_N + 100); - mutex_create(&thr_local_mutex, SYNC_THR_LOCAL); + mutex_create(thr_local_mutex_key, + &thr_local_mutex, SYNC_THR_LOCAL); } /******************************************************************** diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index 5b505153c68..ec77c4c6734 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -186,6 +186,15 @@ INFORMATION SCHEMA tables is fetched and later retrieved by the C++ code in handler/i_s.cc. */ UNIV_INTERN trx_i_s_cache_t* trx_i_s_cache = &trx_i_s_cache_static; +/* Key to register the lock/mutex with performance schema */ +#ifdef UNIV_PFS_RWLOCK +UNIV_INTERN mysql_pfs_key_t trx_i_s_cache_lock_key; +#endif /* UNIV_PFS_RWLOCK */ + +#ifdef UNIV_PFS_MUTEX +UNIV_INTERN mysql_pfs_key_t cache_last_read_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /*******************************************************************//** For a record lock that is in waiting state retrieves the only bit that is set, for a table lock returns ULINT_UNDEFINED. @@ -1246,11 +1255,13 @@ trx_i_s_cache_init( release trx_i_s_cache_t::last_read_mutex release trx_i_s_cache_t::rw_lock */ - rw_lock_create(&cache->rw_lock, SYNC_TRX_I_S_RWLOCK); + rw_lock_create(trx_i_s_cache_lock_key, &cache->rw_lock, + SYNC_TRX_I_S_RWLOCK); cache->last_read = 0; - mutex_create(&cache->last_read_mutex, SYNC_TRX_I_S_LAST_READ); + mutex_create(cache_last_read_mutex_key, + &cache->last_read_mutex, SYNC_TRX_I_S_LAST_READ); table_cache_init(&cache->innodb_trx, sizeof(i_s_trx_row_t)); table_cache_init(&cache->innodb_locks, sizeof(i_s_locks_row_t)); diff --git a/trx/trx0purge.c b/trx/trx0purge.c index abbfa3d7f81..acbf6578bad 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -51,6 +51,16 @@ UNIV_INTERN trx_purge_t* purge_sys = NULL; which needs no purge */ UNIV_INTERN trx_undo_rec_t trx_purge_dummy_rec; +#ifdef UNIV_PFS_RWLOCK +/* Key to register trx_purge_latch with performance schema */ +UNIV_INTERN mysql_pfs_key_t trx_purge_latch_key; +#endif /* UNIV_PFS_RWLOCK */ + +#ifdef UNIV_PFS_MUTEX +/* Key to register purge_sys_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t purge_sys_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /*****************************************************************//** Checks if trx_id is >= purge_view: then it is guaranteed that its update undo log still exists in the system. @@ -227,9 +237,11 @@ trx_purge_sys_create(void) purge_sys->purge_undo_no = ut_dulint_zero; purge_sys->next_stored = FALSE; - rw_lock_create(&purge_sys->latch, SYNC_PURGE_LATCH); + rw_lock_create(trx_purge_latch_key, + &purge_sys->latch, SYNC_PURGE_LATCH); - mutex_create(&purge_sys->mutex, SYNC_PURGE_SYS); + mutex_create(purge_sys_mutex_key, + &purge_sys->mutex, SYNC_PURGE_SYS); purge_sys->heap = mem_heap_create(256); diff --git a/trx/trx0roll.c b/trx/trx0roll.c index c925478cdf4..6e72b13e116 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -615,6 +615,10 @@ trx_rollback_or_clean_all_recovered( /*!< in: a dummy parameter required by os_thread_create */ { +#ifdef UNIV_PFS_THREAD + pfs_register_thread(trx_rollback_clean_thread_key); +#endif /* UNIV_PFS_THREAD */ + trx_rollback_or_clean_recovered(TRUE); /* We count the number of threads in os_thread_exit(). A created diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index 36dea9b2a95..e76736b831c 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -34,6 +34,11 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" #include "trx0purge.h" +#ifdef UNIV_PFS_MUTEX +/* Key to register rseg_mutex_key with performance schema */ +UNIV_INTERN mysql_pfs_key_t rseg_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /******************************************************************//** Looks for a rollback segment, based on the rollback segment id. @return rollback segment */ @@ -207,7 +212,7 @@ trx_rseg_mem_create( rseg->zip_size = zip_size; rseg->page_no = page_no; - mutex_create(&rseg->mutex, SYNC_RSEG); + mutex_create(rseg_mutex_key, &rseg->mutex, SYNC_RSEG); UT_LIST_ADD_LAST(rseg_list, trx_sys->rseg_list, rseg); diff --git a/trx/trx0sys.c b/trx/trx0sys.c index 410c55f132d..b3abd00f4bd 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -126,6 +126,12 @@ static const char* file_format_name_map[] = { static const ulint FILE_FORMAT_NAME_N = sizeof(file_format_name_map) / sizeof(file_format_name_map[0]); +#ifdef UNIV_PFS_MUTEX +/* Key to register the mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t trx_doublewrite_mutex_key; +UNIV_INTERN mysql_pfs_key_t file_format_max_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + #ifndef UNIV_HOTBACKUP /** This is used to track the maximum file format id known to InnoDB. It's updated via SET GLOBAL innodb_file_format_check = 'x' or when we open @@ -179,7 +185,8 @@ trx_doublewrite_init( os_do_not_call_flush_at_each_write = TRUE; #endif /* UNIV_DO_FLUSH */ - mutex_create(&trx_doublewrite->mutex, SYNC_DOUBLEWRITE); + mutex_create(trx_doublewrite_mutex_key, + &trx_doublewrite->mutex, SYNC_DOUBLEWRITE); trx_doublewrite->first_free = 0; @@ -1283,7 +1290,8 @@ void trx_sys_file_format_init(void) /*==========================*/ { - mutex_create(&file_format_max.mutex, SYNC_FILE_FORMAT_TAG); + mutex_create(file_format_max_mutex_key, + &file_format_max.mutex, SYNC_FILE_FORMAT_TAG); /* We don't need a mutex here, as this function should only be called once at start up. */ @@ -1376,8 +1384,9 @@ trx_sys_read_file_format_id( dulint file_format_id; *format_id = ULINT_UNDEFINED; - + file = os_file_create_simple_no_error_handling( + innodb_file_data_key, pathname, OS_FILE_OPEN, OS_FILE_READ_ONLY, @@ -1456,8 +1465,9 @@ trx_sys_read_pertable_file_format_id( ib_uint32_t flags; *format_id = ULINT_UNDEFINED; - + file = os_file_create_simple_no_error_handling( + innodb_file_data_key, pathname, OS_FILE_OPEN, OS_FILE_READ_ONLY, diff --git a/trx/trx0trx.c b/trx/trx0trx.c index e8c98e22918..a47fc28c199 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -51,6 +51,11 @@ UNIV_INTERN sess_t* trx_dummy_sess = NULL; the kernel mutex */ UNIV_INTERN ulint trx_n_mysql_transactions = 0; +#ifdef UNIV_PFS_MUTEX +/* Key to register the mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t trx_undo_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /*************************************************************//** Set detailed error message for the transaction. */ UNIV_INTERN @@ -129,7 +134,7 @@ trx_create( trx->mysql_log_file_name = NULL; trx->mysql_log_offset = 0; - mutex_create(&trx->undo_mutex, SYNC_TRX_UNDO); + mutex_create(trx_undo_mutex_key, &trx->undo_mutex, SYNC_TRX_UNDO); trx->rseg = NULL; diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index 5220d1e17f4..45731df745e 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -25,6 +25,11 @@ A work queue Created 4/26/2006 Osku Salerma ************************************************************************/ +#ifdef UNIV_PFS_MUTEX +/* Key to register wq_mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t wq_mutex_key; +#endif /* UNIV_PFS_MUTEX */ + /****************************************************************//** Create a new work queue. @return work queue */ @@ -35,7 +40,7 @@ ib_wqueue_create(void) { ib_wqueue_t* wq = mem_alloc(sizeof(ib_wqueue_t)); - mutex_create(&wq->mutex, SYNC_WORK_QUEUE); + mutex_create(wq_mutex_key, &wq->mutex, SYNC_WORK_QUEUE); wq->items = ib_list_create(); wq->event = os_event_create(NULL); From b7188cd26bb1626650a3c768493aa38654e29fdb Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 07:55:02 +0000 Subject: [PATCH 188/400] branches/innodb+: Merge revisions 6853:6897 from branches/zip: Skip r6860, which was merged from branches/innodb+ to branches/zip, and r6857, which is only applicable to branches/zip. ------------------------------------------------------------------------ r6858 | mmakela | 2010-03-23 14:09:24 +0200 (Tue, 23 Mar 2010) | 1 line Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: innodb_read_ahead_threshold: Add missing space to help string. ------------------------------------------------------------------------ r6861 | vdimov | 2010-03-23 19:31:02 +0200 (Tue, 23 Mar 2010) | 36 lines Changed paths: M /branches/zip/trx/trx0i_s.c branches/zip: Merge joerg@mysql.com-20100322150231-vdq0afbqtmbs6phy from BZR, Including univ.i before mysql/plugin.h is needed to avoid this compiler error: o This is how gcc puts it: o > > ccache /usr/local/gcc-4.3.2/bin/gcc -static-libgcc -DHAVE_CONFIG_H -I. -I../../include -I../../include -I../../include -I../../regex -I./include -I../../sql -I. -I../../zlib -g -O3 -march=i686 -DUNIV_LINUX -MT libinnobase_a-trx0i_s.o -MD -MP -MF .deps/libinnobase_a-trx0i_s.Tpo -c -o libinnobase_a-trx0i_s.o `test -f 'trx/trx0i_s.c' || echo './'`trx/trx0i_s.c o > > In file included from ./include/univ.i:114, o > > from trx/trx0i_s.c:36: o > > ../../include/my_pthread.h:628: error: expected ')' before '*' token o > > In file included from ../../include/my_pthread.h:732, o > > from ./include/univ.i:114, o > > from trx/trx0i_s.c:36: o > > ../../include/mysql/psi/mysql_thread.h:100: error: expected specifier-qualifier-list before 'pthread_rwlock_t' o > > ../../include/mysql/psi/mysql_thread.h:116: error: expected specifier-qualifier-list before 'pthread_rwlock_t' o > > ../../include/mysql/psi/mysql_thread.h: In function 'inline_mysql_rwlock_init': o > > ../../include/mysql/psi/mysql_thread.h:711: error: 'mysql_rwlock_t' has no member named 'm_psi' o > > ../../include/mysql/psi/mysql_thread.h:716: error: 'mysql_rwlock_t' has no member named 'm_rwlock' o > > .... ((continued)) o o Intel's icc gives slightly clearer messages: o > > icc -static-intel -static-libgcc -DHAVE_CONFIG_H -I. -I../../include -I../../include -I../../include -I../../regex -I./include -I../../sql -I. -I../../zlib -O3 -g -unroll2 -ip -mp -restrict -no-ftz -no-prefetch -DUNIV_LINUX -MT libinnobase_a-trx0i_s.o -MD -MP -MF .deps/libinnobase_a-trx0i_s.Tpo -c -o libinnobase_a-trx0i_s.o `test -f 'trx/trx0i_s.c' || echo './'`trx/trx0i_s.c o > > ../../include/my_pthread.h(628): error: identifier "pthread_rwlock_t" is undefined o > > extern int rw_pr_init(rw_pr_lock_t *); o > > ^ o > > o > > ../../include/mysql/psi/mysql_thread.h(100): error: identifier "pthread_rwlock_t" is undefined o > > rw_lock_t m_rwlock; o > > ^ o > > o > > ../../include/mysql/psi/mysql_thread.h(116): error: identifier "pthread_rwlock_t" is undefined o > > rw_pr_lock_t m_prlock; o > > ^ ------------------------------------------------------------------------ r6864 | mmakela | 2010-03-24 14:05:53 +0200 (Wed, 24 Mar 2010) | 1 line Changed paths: M /branches/zip/include/data0type.ic branches/zip: dtype_new_store_for_order_and_null_size(): Add ut_ad() on mtype. ------------------------------------------------------------------------ r6868 | mmakela | 2010-03-25 13:03:08 +0200 (Thu, 25 Mar 2010) | 1 line Changed paths: M /branches/zip/page/page0page.c branches/zip: page_validate(): Check the buf[] bounds. ------------------------------------------------------------------------ r6871 | vdimov | 2010-03-25 16:39:44 +0200 (Thu, 25 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Whitespace fixup to be consistent with the rest of the file. ------------------------------------------------------------------------ r6872 | vdimov | 2010-03-25 17:03:17 +0200 (Thu, 25 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Fix ChangeLog - write only the bug title in bugs.mysql.com-related entires. ------------------------------------------------------------------------ r6873 | vdimov | 2010-03-25 17:06:56 +0200 (Thu, 25 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Use Bug#N instead of Bug #N to be consistent with the rest of the fil. ------------------------------------------------------------------------ r6874 | vdimov | 2010-03-25 17:17:52 +0200 (Thu, 25 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Wrap ChangeLog at 78th column ------------------------------------------------------------------------ r6875 | vdimov | 2010-03-25 18:18:15 +0200 (Thu, 25 Mar 2010) | 4 lines Changed paths: M /branches/zip/ChangeLog branches/zip: Wrap line at 78 column in ChangeLog. ------------------------------------------------------------------------ r6891 | vdimov | 2010-03-26 16:19:01 +0200 (Fri, 26 Mar 2010) | 5 lines Changed paths: M /branches/innodb+/buf/buf0buddy.c M /branches/innodb+/include/btr0btr.ic M /branches/innodb+/include/buf0buf.ic M /branches/innodb+/include/handler0alter.h M /branches/innodb+/include/mtr0mtr.ic M /branches/innodb+/include/pars0pars.h M /branches/innodb+/include/row0merge.h M /branches/innodb+/include/row0row.h M /branches/innodb+/include/row0sel.h M /branches/innodb+/include/row0types.h M /branches/innodb+/include/sync0rw.h M /branches/innodb+/include/ut0lst.h M /branches/innodb+/include/ut0ut.h M /branches/innodb+/os/os0thread.c M /branches/innodb+/pars/pars0pars.c M /branches/innodb+/plug.in M /branches/innodb+/row/row0purge.c M /branches/innodb+/row/row0row.c M /branches/innodb+/row/row0uins.c M /branches/innodb+/trx/trx0rec.c M /branches/innodb+/ut/ut0ut.c M /branches/innodb+_persistent_stats/buf/buf0buddy.c M /branches/innodb+_persistent_stats/include/btr0btr.ic M /branches/innodb+_persistent_stats/include/buf0buf.ic M /branches/innodb+_persistent_stats/include/handler0alter.h M /branches/innodb+_persistent_stats/include/mtr0mtr.ic M /branches/innodb+_persistent_stats/include/row0merge.h M /branches/innodb+_persistent_stats/include/row0row.h M /branches/innodb+_persistent_stats/include/row0sel.h M /branches/innodb+_persistent_stats/include/row0types.h M /branches/innodb+_persistent_stats/include/sync0rw.h M /branches/innodb+_persistent_stats/os/os0thread.c M /branches/innodb+_persistent_stats/plug.in M /branches/innodb+_persistent_stats/row/row0purge.c M /branches/innodb+_persistent_stats/row/row0row.c M /branches/innodb+_persistent_stats/row/row0uins.c M /branches/innodb+_persistent_stats/trx/trx0rec.c M /branches/performance_schema/buf/buf0buddy.c M /branches/performance_schema/buf/buf0flu.c M /branches/performance_schema/compile-innodb-debug M /branches/performance_schema/include/btr0btr.ic M /branches/performance_schema/include/buf0buf.ic M /branches/performance_schema/include/dict0boot.ic M /branches/performance_schema/include/dict0dict.h M /branches/performance_schema/include/os0file.ic M /branches/performance_schema/include/os0thread.h M /branches/performance_schema/include/row0sel.h M /branches/performance_schema/include/trx0purge.h M /branches/performance_schema/include/trx0sys.ic M /branches/performance_schema/include/ut0wqueue.h M /branches/performance_schema/lock/lock0iter.c M /branches/performance_schema/mem/mem0pool.c M /branches/performance_schema/os/os0thread.c M /branches/performance_schema/page/page0zip.c M /branches/performance_schema/que/que0que.c M /branches/performance_schema/read/read0read.c M /branches/performance_schema/row/row0purge.c M /branches/performance_schema/row/row0row.c M /branches/performance_schema/row/row0vers.c M /branches/performance_schema/sync/sync0arr.c M /branches/performance_schema/thr/thr0loc.c M /branches/performance_schema/trx/trx0rec.c M /branches/performance_schema/trx/trx0roll.c M /branches/performance_schema/trx/trx0undo.c M /branches/performance_schema/ut/ut0wqueue.c M /branches/perfschema/btr/btr0sea.c M /branches/perfschema/buf/buf0buddy.c M /branches/perfschema/buf/buf0flu.c M /branches/perfschema/compile-innodb-debug M /branches/perfschema/ha/hash0hash.c M /branches/perfschema/include/buf0buf.ic M /branches/perfschema/include/buf0flu.ic M /branches/perfschema/include/dict0boot.ic M /branches/perfschema/include/os0thread.h M /branches/perfschema/include/sync0rw.h M /branches/perfschema/include/sync0rw.ic M /branches/perfschema/include/sync0sync.ic M /branches/perfschema/mem/mem0pool.c M /branches/perfschema/os/os0thread.c M /branches/perfschema/page/page0zip.c M /branches/perfschema/que/que0que.c M /branches/perfschema/read/read0read.c M /branches/perfschema/row/row0purge.c M /branches/perfschema/row/row0vers.c M /branches/perfschema/sync/sync0arr.c M /branches/perfschema/sync/sync0rw.c M /branches/perfschema/thr/thr0loc.c M /branches/perfschema/trx/trx0purge.c M /branches/perfschema/trx/trx0rec.c M /branches/perfschema/trx/trx0roll.c M /branches/perfschema/trx/trx0undo.c M /branches/perfschema/ut/ut0wqueue.c M /branches/zip/buf/buf0buddy.c M /branches/zip/buf/buf0flu.c M /branches/zip/buf/buf0rea.c M /branches/zip/fil/fil0fil.c M /branches/zip/include/btr0btr.ic M /branches/zip/include/buf0buf.ic M /branches/zip/include/buf0flu.h M /branches/zip/include/data0type.ic M /branches/zip/include/mtr0mtr.ic M /branches/zip/include/row0sel.h M /branches/zip/include/sync0rw.h M /branches/zip/plug.in M /branches/zip/row/row0row.c M /branches/zip/trx/trx0i_s.c M /branches/zip/trx/trx0rec.c M /branches/zip/trx/trx0sys.c Non-functional change: update copyright year to 2010 of the files that have been modified after 2010-01-01 according to svn. for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done ------------------------------------------------------------------------ r6897 | mmakela | 2010-03-29 11:36:19 +0300 (Mon, 29 Mar 2010) | 3 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: innodb_mutex_show_status(): Fix a condition that was accidentally negated in r6781, making SHOW ENGINE INNODB MUTEX STATUS display only locks with no OS waits. ------------------------------------------------------------------------ --- ChangeLog | 37 ++++++++++++++++++------------------- buf/buf0flu.c | 2 +- buf/buf0rea.c | 2 +- handler/ha_innodb.cc | 4 ++-- include/buf0flu.h | 2 +- include/data0type.ic | 6 +++++- page/page0page.c | 14 ++++++++++++-- trx/trx0i_s.c | 9 ++++++++- 8 files changed, 48 insertions(+), 28 deletions(-) diff --git a/ChangeLog b/ChangeLog index 3dc29ce1321..58e476716d8 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,16 +1,15 @@ 2010-03-18 The InnoDB Team * CMakeLists.txt: - Fix Bug #52102 InnoDB Plugin shows performance drop comparing to - builtin InnoDB (Windows only). - Disable Windows atomics by default. + Fix Bug#52102 InnoDB Plugin shows performance drop compared to + InnoDB (Windows) 2010-03-18 The InnoDB Team * buf0buf.ic: When comparing the time of the first access to a block against - innodb_old_blocks_time, use 32-bit arithmetics. The comparison - was incorrect on 64-bit systems. + innodb_old_blocks_time, use 32-bit arithmetics. The comparison was + incorrect on 64-bit systems. 2010-03-11 The InnoDB Team @@ -22,33 +21,33 @@ 2010-03-10 The InnoDB Team * trx/trx0sys.c: - Fix Bug #51653 outdated reference to set-variable + Fix Bug#51653 outdated reference to set-variable 2010-03-10 The InnoDB Team * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, mysql-test/innodb_bug47621.result, mysql-test/innodb_bug47621.test: - Fix Bug #47621 MySQL and InnoDB data dictionaries will become - out of sync when renaming columns + Fix Bug#47621 MySQL and InnoDB data dictionaries will become out of + sync when renaming columns 2010-03-10 The InnoDB Team * handler/ha_innodb.cc: - Fix Bug #51356 Many Valgrind errors in error messages + Fix Bug#51356 Many Valgrind errors in error messages with concurrent DDL 2010-03-10 The InnoDB Team * handler/ha_innodb.cc, handler/handler0alter.cc, mysql-test/innodb_bug51378.result, mysql-test/innodb_bug51378.test: - Fix Bug #51378 Init 'ref_length' to correct value, in case an out + Fix Bug#51378 Init 'ref_length' to correct value, in case an out of bound MySQL primary_key 2010-03-10 The InnoDB Team * log/log0recv.c: Remove a bogus assertion about page numbers exceeding 0x90000000 - in the redo log. Abort when encountering a corrupted redo log + in the redo log. Abort when encountering a corrupted redo log record, unless innodb_force_recovery is set. 2010-03-09 The InnoDB Team @@ -71,13 +70,13 @@ 2010-02-11 The InnoDB Team * include/mem0mem.h, include/mem0mem.ic, mem/mem0mem.c: - Fix Bug #49535 Available memory check slows down crash + Fix Bug#49535 Available memory check slows down crash recovery tens of times 2010-02-09 The InnoDB Team * buf/buf0buf.c: - Fix Bug #38901 InnoDB logs error repeatedly when trying to load + Fix Bug#38901 InnoDB logs error repeatedly when trying to load page into buffer pool 2010-02-09 The InnoDB Team @@ -138,7 +137,7 @@ * row/row0sel.c: On the READ UNCOMMITTED isolation level, do not attempt to access - a clustered index record that has been marked for deletion. The + a clustered index record that has been marked for deletion. The built-in InnoDB in MySQL 5.1 and earlier would attempt to retrieve a previous version of the record in this case. @@ -152,7 +151,7 @@ 2010-01-12 The InnoDB Team * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug #46193 crash when accessing tables after enabling + Fix Bug#46193 crash when accessing tables after enabling innodb_force_recovery option 2010-01-12 The InnoDB Team @@ -167,7 +166,7 @@ Display the zlib version number at startup. InnoDB compressed tables use zlib, and the implementation depends on the zlib function compressBound(), whose definition was slightly - changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 + changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 from 2005, but some installations use a more recent zlib. 2009-11-30 The InnoDB Team @@ -265,8 +264,8 @@ sync/sync0arr.c, sync/sync0sync.c, thr/thr0loc.c, trx/trx0i_s.c, trx/trx0purge.c, trx/trx0rseg.c, trx/trx0sys.c, trx/trx0undo.c, usr/usr0sess.c, ut/ut0mem.c: - Fix Bug #45992 innodb memory not freed after shutdown - Fix Bug #46656 InnoDB plugin: memory leaks (Valgrind) + Fix Bug#45992 innodb memory not freed after shutdown + Fix Bug#46656 InnoDB plugin: memory leaks (Valgrind) 2009-10-29 The InnoDB Team @@ -608,7 +607,7 @@ * dict/dict0dict.c: When an index column cannot be found in the table during index creation, display additional diagnostic before an assertion failure. - This does NOT fix Bug #44571 InnoDB Plugin crashes on ADD INDEX, + This does NOT fix Bug#44571 InnoDB Plugin crashes on ADD INDEX, but it helps understand the reason of the crash. 2009-06-17 The InnoDB Team diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 76923fd8595..f9716b94472 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/buf/buf0rea.c b/buf/buf0rea.c index a973b1b2d26..81f788baac2 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index b8736329260..6a594a62a7c 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -9016,7 +9016,7 @@ innodb_mutex_show_status( for (lock = UT_LIST_GET_FIRST(rw_lock_list); lock != NULL; lock = UT_LIST_GET_NEXT(list, lock)) { - if (lock->count_os_wait) { + if (lock->count_os_wait == 0) { continue; } @@ -10920,7 +10920,7 @@ static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, static MYSQL_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold, PLUGIN_VAR_RQCMDARG, - "Number of pages that must be accessed sequentially for InnoDB to" + "Number of pages that must be accessed sequentially for InnoDB to " "trigger a readahead.", NULL, NULL, 56, 0, 64, 0); diff --git a/include/buf0flu.h b/include/buf0flu.h index 74a202cb60a..c76fcace46e 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software diff --git a/include/data0type.ic b/include/data0type.ic index 240b4288f39..2bf67a941bd 100644 --- a/include/data0type.ic +++ b/include/data0type.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -285,6 +285,10 @@ dtype_new_store_for_order_and_null_size( #endif ulint len; + ut_ad(type); + ut_ad(type->mtype >= DATA_VARCHAR); + ut_ad(type->mtype <= DATA_MYSQL); + buf[0] = (byte)(type->mtype & 0xFFUL); if (type->prtype & DATA_BINARY_TYPE) { diff --git a/page/page0page.c b/page/page0page.c index 1068a413e0c..10008f9ac25 100644 --- a/page/page0page.c +++ b/page/page0page.c @@ -2414,8 +2414,13 @@ page_validate( } offs = page_offset(rec_get_start(rec, offsets)); + i = rec_offs_size(offsets); + if (UNIV_UNLIKELY(offs + i >= UNIV_PAGE_SIZE)) { + fputs("InnoDB: record offset out of bounds\n", stderr); + goto func_exit; + } - for (i = rec_offs_size(offsets); i--; ) { + while (i--) { if (UNIV_UNLIKELY(buf[offs + i])) { /* No other record may overlap this */ @@ -2523,8 +2528,13 @@ n_owned_zero: count++; offs = page_offset(rec_get_start(rec, offsets)); + i = rec_offs_size(offsets); + if (UNIV_UNLIKELY(offs + i >= UNIV_PAGE_SIZE)) { + fputs("InnoDB: record offset out of bounds\n", stderr); + goto func_exit; + } - for (i = rec_offs_size(offsets); i--; ) { + while (i--) { if (UNIV_UNLIKELY(buf[offs + i])) { fputs("InnoDB: Record overlaps another" diff --git a/trx/trx0i_s.c b/trx/trx0i_s.c index ec77c4c6734..ba8f998affd 100644 --- a/trx/trx0i_s.c +++ b/trx/trx0i_s.c @@ -28,11 +28,18 @@ table cache" for later retrieval. Created July 17, 2007 Vasil Dimov *******************************************************/ +/* Found during the build of 5.5.3 on Linux 2.4 and early 2.6 kernels: + The includes "univ.i" -> "my_global.h" cause a different path + to be taken further down with pthread functions and types, + so they must come first. + From the symptoms, this is related to bug#46587 in the MySQL bug DB. +*/ +#include "univ.i" + #include #include "mysql_addons.h" -#include "univ.i" #include "buf0buf.h" #include "dict0dict.h" #include "ha0storage.h" From cef554f318dbe425e659d3748110213db495dad1 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 09:53:36 +0000 Subject: [PATCH 189/400] branches/innodb+: Add debug assertions to track down Bug #52360. hash_table_t::magic_n: Add HASH_TABLE_MAGIC_N checks, which were fully absent. ut_hash_ulint(): Assert table_size > 0 before division. --- ha/ha0ha.c | 16 +++++++++++++++- ha/hash0hash.c | 6 +++++- include/hash0hash.h | 5 +++-- include/hash0hash.ic | 20 ++++++++++++++++++++ include/ut0rnd.ic | 1 + 5 files changed, 44 insertions(+), 4 deletions(-) diff --git a/ha/ha0ha.c b/ha/ha0ha.c index cb5e541b55d..db85288298d 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -101,6 +101,8 @@ ha_clear( ulint i; ulint n; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #ifdef UNIV_SYNC_DEBUG ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EXCLUSIVE)); #endif /* UNIV_SYNC_DEBUG */ @@ -146,7 +148,9 @@ ha_insert_for_fold_func( ha_node_t* prev_node; ulint hash; - ut_ad(table && data); + ut_ad(data); + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(block->frame == page_align(data)); #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ @@ -237,6 +241,8 @@ ha_delete_hash_node( hash_table_t* table, /*!< in: hash table */ ha_node_t* del_node) /*!< in: node to be deleted */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # ifndef UNIV_HOTBACKUP if (table->adaptive) { @@ -267,6 +273,8 @@ ha_search_and_update_if_found_func( { ha_node_t* node; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ASSERT_HASH_MUTEX_OWN(table, fold); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(new_block->frame == page_align(new_data)); @@ -304,6 +312,8 @@ ha_remove_all_nodes_to_page( { ha_node_t* node; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ASSERT_HASH_MUTEX_OWN(table, fold); node = ha_chain_get_first(table, fold); @@ -353,6 +363,8 @@ ha_validate( ibool ok = TRUE; ulint i; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_a(start_index <= end_index); ut_a(start_index < hash_get_n_cells(table)); ut_a(end_index < hash_get_n_cells(table)); @@ -391,6 +403,8 @@ ha_print_info( FILE* file, /*!< in: file where to print */ hash_table_t* table) /*!< in: hash table */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #ifdef UNIV_DEBUG /* Some of the code here is disabled for performance reasons in production builds, see http://bugs.mysql.com/36941 */ diff --git a/ha/hash0hash.c b/ha/hash0hash.c index 5162e3d21a5..9589da00454 100644 --- a/ha/hash0hash.c +++ b/ha/hash0hash.c @@ -124,7 +124,7 @@ hash_create( table->heaps = NULL; #endif /* !UNIV_HOTBACKUP */ table->heap = NULL; - table->magic_n = HASH_TABLE_MAGIC_N; + ut_d(table->magic_n = HASH_TABLE_MAGIC_N); /* Initialize the cell array */ hash_table_clear(table); @@ -140,6 +140,8 @@ hash_table_free( /*============*/ hash_table_t* table) /*!< in, own: hash table */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #ifndef UNIV_HOTBACKUP ut_a(table->mutexes == NULL); #endif /* !UNIV_HOTBACKUP */ @@ -165,6 +167,8 @@ hash_create_mutexes_func( { ulint i; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_a(n_mutexes > 0); ut_a(ut_is_2pow(n_mutexes)); diff --git a/include/hash0hash.h b/include/hash0hash.h index 977cb829f35..b17c21a45ef 100644 --- a/include/hash0hash.h +++ b/include/hash0hash.h @@ -434,11 +434,12 @@ struct hash_table_struct { these heaps */ #endif /* !UNIV_HOTBACKUP */ mem_heap_t* heap; +#ifdef UNIV_DEBUG ulint magic_n; +# define HASH_TABLE_MAGIC_N 76561114 +#endif /* UNIV_DEBUG */ }; -#define HASH_TABLE_MAGIC_N 76561114 - #ifndef UNIV_NONINL #include "hash0hash.ic" #endif diff --git a/include/hash0hash.ic b/include/hash0hash.ic index 19da2d50701..0b437894e2e 100644 --- a/include/hash0hash.ic +++ b/include/hash0hash.ic @@ -35,6 +35,8 @@ hash_get_nth_cell( hash_table_t* table, /*!< in: hash table */ ulint n) /*!< in: cell index */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_ad(n < table->n_cells); return(table->array + n); @@ -48,6 +50,8 @@ hash_table_clear( /*=============*/ hash_table_t* table) /*!< in/out: hash table */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); memset(table->array, 0x0, table->n_cells * sizeof(*table->array)); } @@ -61,6 +65,8 @@ hash_get_n_cells( /*=============*/ hash_table_t* table) /*!< in: table */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); return(table->n_cells); } @@ -74,6 +80,8 @@ hash_calc_hash( ulint fold, /*!< in: folded value */ hash_table_t* table) /*!< in: hash table */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); return(ut_hash_ulint(fold, table->n_cells)); } @@ -88,6 +96,8 @@ hash_get_mutex_no( hash_table_t* table, /*!< in: hash table */ ulint fold) /*!< in: fold */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_ad(ut_is_2pow(table->n_mutexes)); return(ut_2pow_remainder(hash_calc_hash(fold, table), table->n_mutexes)); @@ -103,6 +113,8 @@ hash_get_nth_heap( hash_table_t* table, /*!< in: hash table */ ulint i) /*!< in: index of the heap */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_ad(i < table->n_mutexes); return(table->heaps[i]); @@ -120,6 +132,9 @@ hash_get_heap( { ulint i; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); + if (table->heap) { return(table->heap); } @@ -139,6 +154,8 @@ hash_get_nth_mutex( hash_table_t* table, /*!< in: hash table */ ulint i) /*!< in: index of the mutex */ { + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ut_ad(i < table->n_mutexes); return(table->mutexes + i); @@ -156,6 +173,9 @@ hash_get_mutex( { ulint i; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); + i = hash_get_mutex_no(table, fold); return(hash_get_nth_mutex(table, i)); diff --git a/include/ut0rnd.ic b/include/ut0rnd.ic index 763469142ec..c3dbd86923c 100644 --- a/include/ut0rnd.ic +++ b/include/ut0rnd.ic @@ -152,6 +152,7 @@ ut_hash_ulint( ulint key, /*!< in: value to be hashed */ ulint table_size) /*!< in: hash table size */ { + ut_ad(table_size); key = key ^ UT_HASH_RANDOM_MASK2; return(key % table_size); From d56f05da6047482b61be100dd88edcf23b85722e Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 10:26:39 +0000 Subject: [PATCH 190/400] branches/innodb+: btr_cur_search_to_nth_level(): Remove a bogus comment. The adaptive hash index can be used when a buffered operation is requested, and the latch_mode check does not prevent it, because latch_mode does not contain any btr_op bits at this point. --- btr/btr0cur.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 2a39074d4df..6e11b1dd4f8 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -455,9 +455,6 @@ btr_cur_search_to_nth_level( #ifdef UNIV_SEARCH_PERF_STAT info->n_searches++; #endif - - /* Ibuf does not use adaptive hash; this is prevented by the - latch_mode check below. */ if (rw_lock_get_writer(&btr_search_latch) == RW_LOCK_NOT_LOCKED && latch_mode <= BTR_MODIFY_LEAF && info->last_hash_succ From b7778d80ea53f7e1c9873f08439f7f6945edac52 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 11:51:22 +0000 Subject: [PATCH 191/400] branches/innodb+: Buffer DELETE and purge on UNIQUE indexes. Sunny noted that the check for ignore_secondary_unique might not be disabled for deletes. Indeed, I see no reason for the check to exist for deletes. btr_op_enum: Document the constants. Add BTR_INSERT_IGNORE_UNIQUE_OP. btr_cur_search_to_nth_level(): Remove the variable ignore_sec_unique. Use btr_op instead. Invoke ibuf_should_try() with ignore_sec_unique = (btr_op != BTR_INSERT_OP), that is, always ignore the UNIQUE constraint when buffering delete-mark and purge. BTR_IGNORE_SEC_UNIQUE: Note that the flag only makes sense in conjunction with BTR_INSERT. rb://274 approved by Sunny Bains. This addresses Issue #471. --- btr/btr0cur.c | 23 +++++++++++++---------- include/btr0btr.h | 2 +- 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 6e11b1dd4f8..e348e143d49 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -68,12 +68,13 @@ Created 10/16/1994 Heikki Tuuri #include "lock0lock.h" #include "zlib.h" -/* Btree operation types, introduced as part of delete buffering. */ +/** Buffered B-tree operation types, introduced as part of delete buffering. */ typedef enum btr_op_enum { - BTR_NO_OP = 0, - BTR_INSERT_OP, - BTR_DELETE_OP, - BTR_DELMARK_OP + BTR_NO_OP = 0, /*!< Not buffered */ + BTR_INSERT_OP, /*!< Insert, do not ignore UNIQUE */ + BTR_INSERT_IGNORE_UNIQUE_OP, /*!< Insert, ignoring UNIQUE */ + BTR_DELETE_OP, /*!< Purge a delete-marked record */ + BTR_DELMARK_OP /*!< Mark a record for deletion */ } btr_op_t; #ifdef UNIV_DEBUG @@ -375,8 +376,7 @@ btr_cur_search_to_nth_level( ulint estimate; ulint zip_size; page_cur_t* page_cursor; - ulint ignore_sec_unique; - btr_op_t btr_op = BTR_NO_OP; + btr_op_t btr_op; ulint root_height = 0; /* remove warning */ #ifdef BTR_CUR_ADAPT @@ -406,9 +406,12 @@ btr_cur_search_to_nth_level( & (BTR_INSERT | BTR_DELETE | BTR_DELETE_MARK), 0)) { case 0: + btr_op = BTR_NO_OP; break; case BTR_INSERT: - btr_op = BTR_INSERT_OP; + btr_op = (latch_mode & BTR_IGNORE_SEC_UNIQUE) + ? BTR_INSERT_IGNORE_UNIQUE_OP + : BTR_INSERT_OP; break; case BTR_DELETE: btr_op = BTR_DELETE_OP; @@ -429,7 +432,6 @@ btr_cur_search_to_nth_level( ut_ad(btr_op == BTR_NO_OP || !dict_index_is_clust(index)); estimate = latch_mode & BTR_ESTIMATE; - ignore_sec_unique = latch_mode & BTR_IGNORE_SEC_UNIQUE; /* Turn the flags unrelated to the latch mode off. */ latch_mode &= ~(BTR_INSERT @@ -573,7 +575,7 @@ search_loop: rw_latch = latch_mode; if (btr_op != BTR_NO_OP - && ibuf_should_try(index, ignore_sec_unique)) { + && ibuf_should_try(index, btr_op != BTR_INSERT_OP)) { /* Try to buffer the operation if the leaf page is not in the buffer pool. */ @@ -600,6 +602,7 @@ retry_page_get: switch (btr_op) { case BTR_INSERT_OP: + case BTR_INSERT_IGNORE_UNIQUE_OP: ut_ad(buf_mode == BUF_GET_IF_IN_POOL); if (ibuf_insert(IBUF_OP_INSERT, tuple, index, diff --git a/include/btr0btr.h b/include/btr0btr.h index cc4063cc32c..cc08cc620c5 100644 --- a/include/btr0btr.h +++ b/include/btr0btr.h @@ -79,7 +79,7 @@ When the record is not in the buffer pool, try to use the insert buffer. */ optimization */ #define BTR_ESTIMATE 1024 -/** This flag ORed to btr_latch_mode says that we can ignore possible +/** This flag ORed to BTR_INSERT says that we can ignore possible UNIQUE definition on secondary indexes when we decide if we can use the insert buffer to speed up inserts */ #define BTR_IGNORE_SEC_UNIQUE 2048 From 2f85462041abbcd12aab4248e9e6345193144794 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Mon, 29 Mar 2010 12:03:23 +0000 Subject: [PATCH 192/400] branches/innodb+: ibuf_set_entry_counter(): Return FALSE if the cursor is not positioned at or before a user record. Spotted by Sunny or his gcc, which noted that counter may be uninitialized. --- ibuf/ibuf0ibuf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index 7fcf781ee44..d405d90fe25 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -3248,6 +3248,9 @@ ibuf_set_entry_counter( return(FALSE); } } + } else { + /* The cursor is not positioned at or before a user record. */ + return(FALSE); } /* Patch counter value in already built entry. */ From 158b44edf4e0fa36eb03f8d031de204085c1fca9 Mon Sep 17 00:00:00 2001 From: irana <> Date: Mon, 29 Mar 2010 14:19:12 +0000 Subject: [PATCH 193/400] branches/innodb+ rb://273 Don't allow master thread to flush pages if it has been less then a second since last iteration. Approved by: Marko --- srv/srv0srv.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 18aaac9e9f9..365d08e115f 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -2425,7 +2425,7 @@ srv_master_thread( ulint n_ios_old; ulint n_ios_very_old; ulint n_pend_ios; - ibool skip_sleep = FALSE; + ulint next_itr_time; ulint i; #ifdef UNIV_DEBUG_THREAD_CREATION @@ -2473,21 +2473,28 @@ loop: when there is database activity */ srv_last_log_flush_time = time(NULL); - skip_sleep = FALSE; + next_itr_time = ut_time_ms(); for (i = 0; i < 10; i++) { + ulint cur_time = ut_time_ms(); n_ios_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read + buf_pool->stat.n_pages_written; srv_main_thread_op_info = "sleeping"; srv_main_1_second_loops++; - if (!skip_sleep) { + if (next_itr_time > cur_time) { - os_thread_sleep(1000000); + /* Get sleep interval in micro seconds. We use + ut_min() to avoid long sleep in case of + wrap around. */ + os_thread_sleep(ut_min(1000000, + (next_itr_time - cur_time) + * 1000)); srv_main_sleeps++; } - skip_sleep = FALSE; + /* Each iteration should happen at 1 second interval. */ + next_itr_time = ut_time_ms() + 1000; /* ALTER TABLE in MySQL requires on Unix that the table handler can drop tables lazily after there no longer are SELECT @@ -2539,12 +2546,6 @@ loop: PCT_IO(100), IB_ULONGLONG_MAX); - /* If we had to do the flush, it may have taken - even more than 1 second, and also, there may be more - to flush. Do not sleep 1 second during the next - iteration of this loop. */ - - skip_sleep = TRUE; } else if (srv_adaptive_flushing) { /* Try to keep the rate of flushing of dirty @@ -2561,10 +2562,6 @@ loop: BUF_FLUSH_LIST, n_flush, IB_ULONGLONG_MAX); - - if (n_flush == PCT_IO(100)) { - skip_sleep = TRUE; - } } } From 44325dc6b77655dabcdda29886c5598a720cd33f Mon Sep 17 00:00:00 2001 From: He Zhenxing Date: Tue, 30 Mar 2010 17:17:19 +0800 Subject: [PATCH 194/400] Bug#49492 rpl_semi_sync failed on PB2 After stopped slave, it is possible that the Dump thread on master is still running and has locked the semi-sync master plugin, and when uninstalling the semi-sync master plugin, a plugin busy warning could be generated. Fixed by disabling the warnings when uninstalling semi-sync plugin on master. --- mysql-test/suite/rpl/t/rpl_semi_sync.test | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mysql-test/suite/rpl/t/rpl_semi_sync.test b/mysql-test/suite/rpl/t/rpl_semi_sync.test index b04541aba21..13f5ac70f18 100644 --- a/mysql-test/suite/rpl/t/rpl_semi_sync.test +++ b/mysql-test/suite/rpl/t/rpl_semi_sync.test @@ -602,7 +602,11 @@ source include/stop_slave.inc; UNINSTALL PLUGIN rpl_semi_sync_slave; connection master; +# The dump thread may still be running on the master, and so the following +# UNINSTALL could generate a warning about the plugin is busy. +disable_warnings; UNINSTALL PLUGIN rpl_semi_sync_master; +enable_warnings; connection slave; source include/start_slave.inc; From 2635191059c1739f2ea8089e551f0366267de528 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Tue, 30 Mar 2010 15:53:08 +0000 Subject: [PATCH 195/400] branches/innodb+: btr_cur_search_to_nth_level(): Reduce the scope of node_ptr and rearrange some code in order to eliminate an unwarranted "possibly uninitialized" warning that was reported by Sunny. rb://276 approved by Inaam Rana --- btr/btr0cur.c | 43 +++++++++++++++++++++++++------------------ 1 file changed, 25 insertions(+), 18 deletions(-) diff --git a/btr/btr0cur.c b/btr/btr0cur.c index e348e143d49..3ca2b02bb4b 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -363,7 +363,6 @@ btr_cur_search_to_nth_level( ulint space; buf_block_t* guess; ulint height; - rec_t* node_ptr; ulint page_no; ulint up_match; ulint up_bytes; @@ -554,23 +553,6 @@ search_loop: if (height != 0) { /* We are about to fetch the root or a non-leaf page. */ - } else if (dict_index_is_ibuf(index)) { - /* We're doing a search on an ibuf tree and we're one - level above the leaf page. */ - - ulint is_min_rec; - - ut_ad(level == 0); - - is_min_rec = rec_get_info_bits(node_ptr, 0) - & REC_INFO_MIN_REC_FLAG; - - if (!is_min_rec) { - cursor->ibuf_cnt = ibuf_rec_get_counter(node_ptr); - - ut_a(cursor->ibuf_cnt <= 0xFFFF - || cursor->ibuf_cnt == ULINT_UNDEFINED); - } } else if (latch_mode <= BTR_MODIFY_LEAF) { rw_latch = latch_mode; @@ -729,6 +711,7 @@ retry_page_get: if (level != height) { + const rec_t* node_ptr; ut_ad(height > 0); height--; @@ -742,6 +725,30 @@ retry_page_get: /* Go to the child node */ page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets); + if (UNIV_UNLIKELY(height == 0 && dict_index_is_ibuf(index))) { + /* We're doing a search on an ibuf tree and we're one + level above the leaf page. */ + + ulint is_min_rec; + + ut_ad(level == 0); + + is_min_rec = rec_get_info_bits(node_ptr, 0) + & REC_INFO_MIN_REC_FLAG; + + if (!is_min_rec) { + cursor->ibuf_cnt + = ibuf_rec_get_counter(node_ptr); + + ut_a(cursor->ibuf_cnt <= 0xFFFF + || cursor->ibuf_cnt == ULINT_UNDEFINED); + } + + buf_mode = BUF_GET; + rw_latch = RW_NO_LATCH; + goto retry_page_get; + } + goto search_loop; } From 864d6bc90bc7e4a983fbc69a963b3365dbc3966f Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Tue, 30 Mar 2010 22:52:45 +0200 Subject: [PATCH 196/400] Bug#51851: Server with SBR locks mutex twice on LOAD DATA into partitioned MyISAM table Problem was that the ha_data structure was introduced in 5.1 and only used for partitioning first, but with the intention of be of use for others engines as well, and when used by other engines it would clash if it also was partitioned. Solution is to move the partitioning specific data to a separate structure, with its own mutex (which is used for auto_increment). Also did rename PARTITION_INFO to PARTITION_STATS since there already exist a class named partition_info, also cleaned up some related variables. --- mysql-test/r/partition_binlog_stmt.result | 13 ++ mysql-test/t/partition_binlog_stmt.test | 28 +++ sql/ha_ndbcluster.cc | 4 +- sql/ha_ndbcluster.h | 2 +- sql/ha_partition.cc | 223 ++++++---------------- sql/ha_partition.h | 42 ++-- sql/handler.cc | 2 +- sql/handler.h | 4 +- sql/mysql_priv.h | 4 +- sql/mysqld.cc | 8 +- sql/partition_info.h | 6 +- sql/sql_partition.cc | 3 - sql/sql_partition.h | 14 -- sql/sql_show.cc | 4 +- sql/sql_table.cc | 7 +- sql/table.cc | 24 +-- sql/table.h | 16 +- 17 files changed, 156 insertions(+), 248 deletions(-) create mode 100644 mysql-test/r/partition_binlog_stmt.result create mode 100644 mysql-test/t/partition_binlog_stmt.test diff --git a/mysql-test/r/partition_binlog_stmt.result b/mysql-test/r/partition_binlog_stmt.result new file mode 100644 index 00000000000..9be23636ca6 --- /dev/null +++ b/mysql-test/r/partition_binlog_stmt.result @@ -0,0 +1,13 @@ +DROP TABLE IF EXISTS t1; +# +# Bug#51851: Server with SBR locks mutex twice on LOAD DATA into +# partitioned MyISAM table +CREATE TABLE t1 +(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, +name TINYBLOB NOT NULL, +modified TIMESTAMP DEFAULT '0000-00-00 00:00:00', +INDEX namelocs (name(255))) ENGINE = MyISAM +PARTITION BY HASH(id) PARTITIONS 2; +LOAD DATA LOCAL INFILE 'init_file.txt' +INTO TABLE t1 (name); +DROP TABLE t1; diff --git a/mysql-test/t/partition_binlog_stmt.test b/mysql-test/t/partition_binlog_stmt.test new file mode 100644 index 00000000000..bb52c2210f3 --- /dev/null +++ b/mysql-test/t/partition_binlog_stmt.test @@ -0,0 +1,28 @@ +--source include/have_partition.inc +--source include/have_binlog_format_statement.inc + +--disable_warnings +DROP TABLE IF EXISTS t1; +--enable_warnings + +--echo # +--echo # Bug#51851: Server with SBR locks mutex twice on LOAD DATA into +--echo # partitioned MyISAM table +perl; +open( INIT, ">init_file.txt"); +print INIT "abcd\n"; +close( INIT ); +EOF + +CREATE TABLE t1 +(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, + name TINYBLOB NOT NULL, + modified TIMESTAMP DEFAULT '0000-00-00 00:00:00', + INDEX namelocs (name(255))) ENGINE = MyISAM +PARTITION BY HASH(id) PARTITIONS 2; + +LOAD DATA LOCAL INFILE 'init_file.txt' +INTO TABLE t1 (name); + +--remove_file init_file.txt +DROP TABLE t1; diff --git a/sql/ha_ndbcluster.cc b/sql/ha_ndbcluster.cc index 05a42220caf..25869969768 100644 --- a/sql/ha_ndbcluster.cc +++ b/sql/ha_ndbcluster.cc @@ -4238,7 +4238,7 @@ int ha_ndbcluster::info(uint flag) } -void ha_ndbcluster::get_dynamic_partition_info(PARTITION_INFO *stat_info, +void ha_ndbcluster::get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id) { /* @@ -4246,7 +4246,7 @@ void ha_ndbcluster::get_dynamic_partition_info(PARTITION_INFO *stat_info, implement ndb function which retrives the statistics about ndb partitions. */ - bzero((char*) stat_info, sizeof(PARTITION_INFO)); + bzero((char*) stat_info, sizeof(PARTITION_STATS)); return; } diff --git a/sql/ha_ndbcluster.h b/sql/ha_ndbcluster.h index 63da24e8dda..cbc1875cf6c 100644 --- a/sql/ha_ndbcluster.h +++ b/sql/ha_ndbcluster.h @@ -273,7 +273,7 @@ class ha_ndbcluster: public handler ha_rows estimate_rows_upper_bound() { return HA_POS_ERROR; } int info(uint); - void get_dynamic_partition_info(PARTITION_INFO *stat_info, uint part_id); + void get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id); int extra(enum ha_extra_function operation); int extra_opt(enum ha_extra_function operation, ulong cache_size); int reset(); diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc index e0118d55d7b..cb6e578dcf7 100644 --- a/sql/ha_partition.cc +++ b/sql/ha_partition.cc @@ -2496,12 +2496,12 @@ err1: A destructor for partition-specific TABLE_SHARE data. */ -void ha_data_partition_destroy(void *ha_data) +void ha_data_partition_destroy(void *ha_part_data) { - if (ha_data) + if (ha_part_data) { - HA_DATA_PARTITION *ha_data_partition= (HA_DATA_PARTITION*) ha_data; - pthread_mutex_destroy(&ha_data_partition->mutex); + HA_DATA_PARTITION *ha_data_partition= (HA_DATA_PARTITION*) ha_part_data; + mysql_mutex_destroy(&ha_data_partition->LOCK_auto_inc); } } @@ -2641,28 +2641,29 @@ int ha_partition::open(const char *name, int mode, uint test_if_locked) goto err_handler; /* - Use table_share->ha_data to share auto_increment_value among all handlers - for the same table. + Use table_share->ha_part_data to share auto_increment_value among + all handlers for the same table. */ if (is_not_tmp_table) mysql_mutex_lock(&table_share->LOCK_ha_data); - if (!table_share->ha_data) + if (!table_share->ha_part_data) { - HA_DATA_PARTITION *ha_data; + HA_DATA_PARTITION *ha_part_data; /* currently only needed for auto_increment */ - table_share->ha_data= ha_data= (HA_DATA_PARTITION*) - alloc_root(&table_share->mem_root, - sizeof(HA_DATA_PARTITION)); - if (!ha_data) + table_share->ha_part_data= alloc_root(&table_share->mem_root, + sizeof(HA_DATA_PARTITION)); + ha_part_data= (HA_DATA_PARTITION*) table_share->ha_part_data; + if (!ha_part_data) { if (is_not_tmp_table) mysql_mutex_unlock(&table_share->LOCK_ha_data); goto err_handler; } - DBUG_PRINT("info", ("table_share->ha_data 0x%p", ha_data)); - bzero(ha_data, sizeof(HA_DATA_PARTITION)); - table_share->ha_data_destroy= ha_data_partition_destroy; - pthread_mutex_init(&ha_data->mutex, MY_MUTEX_INIT_FAST); + DBUG_PRINT("info", ("table_share->ha_part_data 0x%p", ha_part_data)); + bzero(ha_part_data, sizeof(HA_DATA_PARTITION)); + table_share->ha_part_data_destroy= ha_data_partition_destroy; + mysql_mutex_init(key_PARTITION_LOCK_auto_inc, &ha_part_data->LOCK_auto_inc, + MY_MUTEX_INIT_FAST); } if (is_not_tmp_table) mysql_mutex_unlock(&table_share->LOCK_ha_data); @@ -3086,7 +3087,8 @@ int ha_partition::write_row(uchar * buf) longlong func_value; bool have_auto_increment= table->next_number_field && buf == table->record[0]; my_bitmap_map *old_map; - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; THD *thd= ha_thd(); timestamp_auto_set_type orig_timestamp_type= table->timestamp_field_type; #ifdef NOT_NEEDED @@ -3106,7 +3108,7 @@ int ha_partition::write_row(uchar * buf) */ if (have_auto_increment) { - if (!ha_data->auto_inc_initialized && + if (!ha_part_data->auto_inc_initialized && !table->s->next_number_keypart) { /* @@ -3247,7 +3249,7 @@ int ha_partition::update_row(const uchar *old_data, uchar *new_data) exit: /* if updating an auto_increment column, update - table_share->ha_data->next_auto_inc_val if needed. + table_share->ha_part_data->next_auto_inc_val if needed. (not to be used if auto_increment on secondary field in a multi-column index) mysql_update does not set table->next_number_field, so we use @@ -3256,8 +3258,9 @@ exit: if (table->found_next_number_field && new_data == table->record[0] && !table->s->next_number_keypart) { - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; - if (!ha_data->auto_inc_initialized) + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; + if (!ha_part_data->auto_inc_initialized) info(HA_STATUS_AUTO); set_auto_increment_if_higher(table->found_next_number_field); } @@ -3349,11 +3352,12 @@ int ha_partition::delete_all_rows() if (thd->lex->sql_command == SQLCOM_TRUNCATE) { Alter_info *alter_info= &thd->lex->alter_info; - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; /* TRUNCATE also means resetting auto_increment */ lock_auto_increment(); - ha_data->next_auto_inc_val= 0; - ha_data->auto_inc_initialized= FALSE; + ha_part_data->next_auto_inc_val= 0; + ha_part_data->auto_inc_initialized= FALSE; unlock_auto_increment(); if (alter_info->flags & ALTER_ADMIN_PARTITION) { @@ -5069,22 +5073,23 @@ int ha_partition::info(uint flag) if (flag & HA_STATUS_AUTO) { bool auto_inc_is_first_in_idx= (table_share->next_number_keypart == 0); - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; DBUG_PRINT("info", ("HA_STATUS_AUTO")); if (!table->found_next_number_field) stats.auto_increment_value= 0; - else if (ha_data->auto_inc_initialized) + else if (ha_part_data->auto_inc_initialized) { lock_auto_increment(); - stats.auto_increment_value= ha_data->next_auto_inc_val; + stats.auto_increment_value= ha_part_data->next_auto_inc_val; unlock_auto_increment(); } else { lock_auto_increment(); /* to avoid two concurrent initializations, check again when locked */ - if (ha_data->auto_inc_initialized) - stats.auto_increment_value= ha_data->next_auto_inc_val; + if (ha_part_data->auto_inc_initialized) + stats.auto_increment_value= ha_part_data->next_auto_inc_val; else { handler *file, **file_array; @@ -5104,10 +5109,10 @@ int ha_partition::info(uint flag) stats.auto_increment_value= auto_increment_value; if (auto_inc_is_first_in_idx) { - set_if_bigger(ha_data->next_auto_inc_val, auto_increment_value); - ha_data->auto_inc_initialized= TRUE; + set_if_bigger(ha_part_data->next_auto_inc_val, auto_increment_value); + ha_part_data->auto_inc_initialized= TRUE; DBUG_PRINT("info", ("initializing next_auto_inc_val to %lu", - (ulong) ha_data->next_auto_inc_val)); + (ulong) ha_part_data->next_auto_inc_val)); } } unlock_auto_increment(); @@ -5281,7 +5286,7 @@ int ha_partition::info(uint flag) } -void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info, +void ha_partition::get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id) { handler *file= m_file[part_id]; @@ -6496,11 +6501,12 @@ int ha_partition::reset_auto_increment(ulonglong value) { handler **file= m_file; int res; - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; DBUG_ENTER("ha_partition::reset_auto_increment"); lock_auto_increment(); - ha_data->auto_inc_initialized= FALSE; - ha_data->next_auto_inc_val= 0; + ha_part_data->auto_inc_initialized= FALSE; + ha_part_data->next_auto_inc_val= 0; do { if ((res= (*file)->ha_reset_auto_increment(value)) != 0) @@ -6514,7 +6520,7 @@ int ha_partition::reset_auto_increment(ulonglong value) /** This method is called by update_auto_increment which in turn is called by the individual handlers as part of write_row. We use the - table_share->ha_data->next_auto_inc_val, or search all + table_share->ha_part_data->next_auto_inc_val, or search all partitions for the highest auto_increment_value if not initialized or if auto_increment field is a secondary part of a key, we must search every partition when holding a mutex to be sure of correctness. @@ -6567,13 +6573,14 @@ void ha_partition::get_auto_increment(ulonglong offset, ulonglong increment, else { THD *thd= ha_thd(); - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; /* This is initialized in the beginning of the first write_row call. */ - DBUG_ASSERT(ha_data->auto_inc_initialized); + DBUG_ASSERT(ha_part_data->auto_inc_initialized); /* - Get a lock for handling the auto_increment in table_share->ha_data + Get a lock for handling the auto_increment in table_share->ha_part_data for avoiding two concurrent statements getting the same number. */ @@ -6600,8 +6607,8 @@ void ha_partition::get_auto_increment(ulonglong offset, ulonglong increment, } /* this gets corrected (for offset/increment) in update_auto_increment */ - *first_value= ha_data->next_auto_inc_val; - ha_data->next_auto_inc_val+= nb_desired_values * increment; + *first_value= ha_part_data->next_auto_inc_val; + ha_part_data->next_auto_inc_val+= nb_desired_values * increment; unlock_auto_increment(); DBUG_PRINT("info", ("*first_value: %lu", (ulong) *first_value)); @@ -6621,15 +6628,16 @@ void ha_partition::release_auto_increment() } else if (next_insert_id) { - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; ulonglong next_auto_inc_val; lock_auto_increment(); - next_auto_inc_val= ha_data->next_auto_inc_val; + next_auto_inc_val= ha_part_data->next_auto_inc_val; if (next_insert_id < next_auto_inc_val && auto_inc_interval_for_cur_row.maximum() >= next_auto_inc_val) - ha_data->next_auto_inc_val= next_insert_id; - DBUG_PRINT("info", ("ha_data->next_auto_inc_val: %lu", - (ulong) ha_data->next_auto_inc_val)); + ha_part_data->next_auto_inc_val= next_insert_id; + DBUG_PRINT("info", ("ha_part_data->next_auto_inc_val: %lu", + (ulong) ha_part_data->next_auto_inc_val)); /* Unlock the multi row statement lock taken in get_auto_increment */ if (auto_increment_safe_stmt_log_lock) @@ -6729,127 +6737,6 @@ int ha_partition::indexes_are_disabled(void) } -/**************************************************************************** - MODULE Partition Share -****************************************************************************/ -/* - Service routines for ... methods. -------------------------------------------------------------------------- - Variables for partition share methods. A hash used to track open tables. - A mutex for the hash table and an init variable to check if hash table - is initialized. - There is also a constant ending of the partition handler file name. -*/ - -#ifdef NOT_USED -static HASH partition_open_tables; -static mysql_mutex_t partition_mutex; -static int partition_init= 0; - - -/* - Function we use in the creation of our hash to get key. -*/ - -static uchar *partition_get_key(PARTITION_SHARE *share, size_t *length, - my_bool not_used __attribute__ ((unused))) -{ - *length= share->table_name_length; - return (uchar *) share->table_name; -} - -/* - Example of simple lock controls. The "share" it creates is structure we - will pass to each partition handler. Do you have to have one of these? - Well, you have pieces that are used for locking, and they are needed to - function. -*/ - -static PARTITION_SHARE *get_share(const char *table_name, TABLE *table) -{ - PARTITION_SHARE *share; - uint length; - char *tmp_name; - - /* - So why does this exist? There is no way currently to init a storage - engine. - Innodb and BDB both have modifications to the server to allow them to - do this. Since you will not want to do this, this is probably the next - best method. - */ - if (!partition_init) - { - /* Hijack a mutex for init'ing the storage engine */ - mysql_mutex_lock(&LOCK_mysql_create_db); - if (!partition_init) - { - partition_init++; - mysql_mutex_init(INSTRUMENT_ME, &partition_mutex, MY_MUTEX_INIT_FAST); - (void) hash_init(&partition_open_tables, system_charset_info, 32, 0, 0, - (hash_get_key) partition_get_key, 0, 0); - } - mysql_mutex_unlock(&LOCK_mysql_create_db); - } - mysql_mutex_lock(&partition_mutex); - length= (uint) strlen(table_name); - - if (!(share= (PARTITION_SHARE *) hash_search(&partition_open_tables, - (uchar *) table_name, length))) - { - if (!(share= (PARTITION_SHARE *) - my_multi_malloc(MYF(MY_WME | MY_ZEROFILL), - &share, (uint) sizeof(*share), - &tmp_name, (uint) length + 1, NullS))) - { - mysql_mutex_unlock(&partition_mutex); - return NULL; - } - - share->use_count= 0; - share->table_name_length= length; - share->table_name= tmp_name; - strmov(share->table_name, table_name); - if (my_hash_insert(&partition_open_tables, (uchar *) share)) - goto error; - thr_lock_init(&share->lock); - mysql_mutex_init(INSTRUMENT_ME, &share->mutex, MY_MUTEX_INIT_FAST); - } - share->use_count++; - mysql_mutex_unlock(&partition_mutex); - - return share; - -error: - mysql_mutex_unlock(&partition_mutex); - my_free((uchar*) share, MYF(0)); - - return NULL; -} - - -/* - Free lock controls. We call this whenever we close a table. If the table - had the last reference to the share then we free memory associated with - it. -*/ - -static int free_share(PARTITION_SHARE *share) -{ - mysql_mutex_lock(&partition_mutex); - if (!--share->use_count) - { - hash_delete(&partition_open_tables, (uchar *) share); - thr_lock_delete(&share->lock); - mysql_mutex_destroy(&share->mutex); - my_free((uchar*) share, MYF(0)); - } - mysql_mutex_unlock(&partition_mutex); - - return 0; -} -#endif /* NOT_USED */ - struct st_mysql_storage_engine partition_storage_engine= { MYSQL_HANDLERTON_INTERFACE_VERSION }; diff --git a/sql/ha_partition.h b/sql/ha_partition.h index b3a347612f3..34aeb7d357b 100644 --- a/sql/ha_partition.h +++ b/sql/ha_partition.h @@ -26,30 +26,15 @@ enum partition_keywords PKW_COLUMNS }; -/* - PARTITION_SHARE is a structure that will be shared amoung all open handlers - The partition implements the minimum of what you will probably need. -*/ - -#ifdef NOT_USED -typedef struct st_partition_share -{ - char *table_name; - uint table_name_length, use_count; - mysql_mutex_t mutex; - THR_LOCK lock; -} PARTITION_SHARE; -#endif /** Partition specific ha_data struct. - @todo: move all partition specific data from TABLE_SHARE here. */ typedef struct st_ha_data_partition { - ulonglong next_auto_inc_val; /**< first non reserved value */ bool auto_inc_initialized; - pthread_mutex_t mutex; + mysql_mutex_t LOCK_auto_inc; /**< protecting auto_inc val */ + ulonglong next_auto_inc_val; /**< first non reserved value */ } HA_DATA_PARTITION; #define PARTITION_BYTES_IN_POS 2 @@ -519,7 +504,7 @@ public: ------------------------------------------------------------------------- */ virtual int info(uint); - void get_dynamic_partition_info(PARTITION_INFO *stat_info, + void get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id); virtual int extra(enum ha_extra_function operation); virtual int extra_opt(enum ha_extra_function operation, ulong cachesize); @@ -938,19 +923,23 @@ private: virtual int reset_auto_increment(ulonglong value); virtual void lock_auto_increment() { + HA_DATA_PARTITION *ha_part_data; /* lock already taken */ if (auto_increment_safe_stmt_log_lock) return; - DBUG_ASSERT(table_share->ha_data && !auto_increment_lock); + ha_part_data= (HA_DATA_PARTITION*) table_share->ha_part_data; + DBUG_ASSERT(ha_part_data && !auto_increment_lock); if(table_share->tmp_table == NO_TMP_TABLE) { auto_increment_lock= TRUE; - mysql_mutex_lock(&table_share->LOCK_ha_data); + mysql_mutex_lock(&ha_part_data->LOCK_auto_inc); } } virtual void unlock_auto_increment() { - DBUG_ASSERT(table_share->ha_data); + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; + DBUG_ASSERT(ha_part_data); /* If auto_increment_safe_stmt_log_lock is true, we have to keep the lock. It will be set to false and thus unlocked at the end of the statement by @@ -958,20 +947,21 @@ private: */ if(auto_increment_lock && !auto_increment_safe_stmt_log_lock) { - mysql_mutex_unlock(&table_share->LOCK_ha_data); + mysql_mutex_unlock(&ha_part_data->LOCK_auto_inc); auto_increment_lock= FALSE; } } virtual void set_auto_increment_if_higher(Field *field) { - HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data; + HA_DATA_PARTITION *ha_part_data= (HA_DATA_PARTITION*) + table_share->ha_part_data; ulonglong nr= (((Field_num*) field)->unsigned_flag || field->val_int() > 0) ? field->val_int() : 0; lock_auto_increment(); - DBUG_ASSERT(ha_data->auto_inc_initialized == TRUE); + DBUG_ASSERT(ha_part_data->auto_inc_initialized == TRUE); /* must check when the mutex is taken */ - if (nr >= ha_data->next_auto_inc_val) - ha_data->next_auto_inc_val= nr + 1; + if (nr >= ha_part_data->next_auto_inc_val) + ha_part_data->next_auto_inc_val= nr + 1; unlock_auto_increment(); } diff --git a/sql/handler.cc b/sql/handler.cc index 69ac4e72555..0bb4e0199d5 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -3517,7 +3517,7 @@ int handler::index_next_same(uchar *buf, const uchar *key, uint keylen) } -void handler::get_dynamic_partition_info(PARTITION_INFO *stat_info, +void handler::get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id) { info(HA_STATUS_CONST | HA_STATUS_TIME | HA_STATUS_VARIABLE | diff --git a/sql/handler.h b/sql/handler.h index 1734e5727dc..95d7d535d16 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -954,7 +954,7 @@ typedef struct { ulong check_time; ulong update_time; ulonglong check_sum; -} PARTITION_INFO; +} PARTITION_STATS; #define UNDEF_NODEGROUP 65535 class Item; @@ -1553,7 +1553,7 @@ public: { return (ha_rows) 10; } virtual void position(const uchar *record)=0; virtual int info(uint)=0; // see my_base.h for full description - virtual void get_dynamic_partition_info(PARTITION_INFO *stat_info, + virtual void get_dynamic_partition_info(PARTITION_STATS *stat_info, uint part_id); virtual int extra(enum ha_extra_function operation) { return 0; } diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h index b398baa064e..e819850448a 100644 --- a/sql/mysql_priv.h +++ b/sql/mysql_priv.h @@ -2718,8 +2718,8 @@ extern PSI_mutex_key key_BINLOG_LOCK_index, key_BINLOG_LOCK_prep_xids, key_master_info_data_lock, key_master_info_run_lock, key_mutex_slave_reporting_capability_err_lock, key_relay_log_info_data_lock, key_relay_log_info_log_space_lock, key_relay_log_info_run_lock, - key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data, key_LOCK_error_messages, - key_LOCK_thread_count; + key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data, + key_LOCK_error_messages, key_LOCK_thread_count, key_PARTITION_LOCK_auto_inc; extern PSI_rwlock_key key_rwlock_LOCK_grant, key_rwlock_LOCK_logger, key_rwlock_LOCK_sys_init_connect, key_rwlock_LOCK_sys_init_slave, diff --git a/sql/mysqld.cc b/sql/mysqld.cc index 37713992a90..8a1fa501025 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -7872,8 +7872,9 @@ PSI_mutex_key key_BINLOG_LOCK_index, key_BINLOG_LOCK_prep_xids, key_master_info_data_lock, key_master_info_run_lock, key_mutex_slave_reporting_capability_err_lock, key_relay_log_info_data_lock, key_relay_log_info_log_space_lock, key_relay_log_info_run_lock, - key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data, key_LOCK_error_messages, - key_LOG_INFO_lock, key_LOCK_thread_count; + key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data, + key_LOCK_error_messages, key_LOG_INFO_lock, key_LOCK_thread_count, + key_PARTITION_LOCK_auto_inc; static PSI_mutex_info all_server_mutexes[]= { @@ -7927,7 +7928,8 @@ static PSI_mutex_info all_server_mutexes[]= { &key_TABLE_SHARE_LOCK_ha_data, "TABLE_SHARE::LOCK_ha_data", 0}, { &key_LOCK_error_messages, "LOCK_error_messages", PSI_FLAG_GLOBAL}, { &key_LOG_INFO_lock, "LOG_INFO::lock", 0}, - { &key_LOCK_thread_count, "LOCK_thread_count", PSI_FLAG_GLOBAL} + { &key_LOCK_thread_count, "LOCK_thread_count", PSI_FLAG_GLOBAL}, + { &key_PARTITION_LOCK_auto_inc, "HA_DATA_PARTITION::LOCK_auto_inc", 0} }; PSI_rwlock_key key_rwlock_LOCK_grant, key_rwlock_LOCK_logger, diff --git a/sql/partition_info.h b/sql/partition_info.h index 479714a3928..b196d0b59a2 100644 --- a/sql/partition_info.h +++ b/sql/partition_info.h @@ -151,8 +151,6 @@ public: char *part_func_string; char *subpart_func_string; - const char *part_state; - partition_element *curr_part_elem; partition_element *current_partition; part_elem_value *curr_list_val; @@ -173,7 +171,6 @@ public: partition_type subpart_type; uint part_info_len; - uint part_state_len; uint part_func_len; uint subpart_func_len; @@ -226,13 +223,12 @@ public: list_array(NULL), err_value(0), part_info_string(NULL), part_func_string(NULL), subpart_func_string(NULL), - part_state(NULL), curr_part_elem(NULL), current_partition(NULL), curr_list_object(0), num_columns(0), default_engine_type(NULL), part_result_type(INT_RESULT), part_type(NOT_A_PARTITION), subpart_type(NOT_A_PARTITION), - part_info_len(0), part_state_len(0), + part_info_len(0), part_func_len(0), subpart_func_len(0), num_parts(0), num_subparts(0), count_curr_subparts(0), part_error_code(0), diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc index cfb57475b68..7508b0c9fc0 100644 --- a/sql/sql_partition.cc +++ b/sql/sql_partition.cc @@ -4165,7 +4165,6 @@ void get_partition_set(const TABLE *table, uchar *buf, const uint index, bool mysql_unpack_partition(THD *thd, const char *part_buf, uint part_info_len, - const char *part_state, uint part_state_len, TABLE* table, bool is_create_table_ind, handlerton *default_db_type, bool *work_part_info_used) @@ -4201,8 +4200,6 @@ bool mysql_unpack_partition(THD *thd, goto end; } part_info= lex.part_info; - part_info->part_state= part_state; - part_info->part_state_len= part_state_len; DBUG_PRINT("info", ("Parse: %s", part_buf)); if (parse_sql(thd, & parser_state, NULL) || part_info->fix_parser_data(thd)) diff --git a/sql/sql_partition.h b/sql/sql_partition.h index 7ac1415c158..8c16c7cbaae 100644 --- a/sql/sql_partition.h +++ b/sql/sql_partition.h @@ -26,19 +26,6 @@ #define HA_CAN_PARTITION_UNIQUE (1 << 2) #define HA_USE_AUTO_PARTITION (1 << 3) -/*typedef struct { - ulonglong data_file_length; - ulonglong max_data_file_length; - ulonglong index_file_length; - ulonglong delete_length; - ha_rows records; - ulong mean_rec_length; - time_t create_time; - time_t check_time; - time_t update_time; - ulonglong check_sum; -} PARTITION_INFO; -*/ typedef struct { longlong list_value; uint32 partition_id; @@ -87,7 +74,6 @@ void get_full_part_id_from_key(const TABLE *table, uchar *buf, part_id_range *part_spec); bool mysql_unpack_partition(THD *thd, const char *part_buf, uint part_info_len, - const char *part_state, uint part_state_len, TABLE *table, bool is_create_table_ind, handlerton *default_db_type, bool *work_part_info_used); diff --git a/sql/sql_show.cc b/sql/sql_show.cc index 542a0378bf4..e808cb2e888 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -3726,7 +3726,7 @@ static int get_schema_tables_record(THD *thd, TABLE_LIST *tables, } #ifdef WITH_PARTITION_STORAGE_ENGINE if (share->db_type() == partition_hton && - share->partition_info_len) + share->partition_info_str_len) { tmp_db_type= share->default_part_db_type; is_partitioned= TRUE; @@ -5289,7 +5289,7 @@ static void store_schema_partitions_record(THD *thd, TABLE *schema_table, { TABLE* table= schema_table; CHARSET_INFO *cs= system_charset_info; - PARTITION_INFO stat_info; + PARTITION_STATS stat_info; MYSQL_TIME time; file->get_dynamic_partition_info(&stat_info, part_id); table->field[0]->store(STRING_WITH_LEN("def"), cs); diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 2a9e01daf18..266687f5829 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -1725,11 +1725,12 @@ bool mysql_write_frm(ALTER_PARTITION_PARAM_TYPE *lpt, uint flags) error= 1; goto err; } - share->partition_info= tmp_part_syntax_str; + share->partition_info_str= tmp_part_syntax_str; } else - memcpy((char*) share->partition_info, part_syntax_buf, syntax_len + 1); - share->partition_info_len= part_info->part_info_len= syntax_len; + memcpy((char*) share->partition_info_str, part_syntax_buf, + syntax_len + 1); + share->partition_info_str_len= part_info->part_info_len= syntax_len; part_info->part_info_string= part_syntax_buf; } #endif diff --git a/sql/table.cc b/sql/table.cc index fa1186c2a45..8d63626fb81 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -954,28 +954,28 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head, } if (next_chunk + 5 < buff_end) { - uint32 partition_info_len = uint4korr(next_chunk); + uint32 partition_info_str_len = uint4korr(next_chunk); #ifdef WITH_PARTITION_STORAGE_ENGINE if ((share->partition_info_buffer_size= - share->partition_info_len= partition_info_len)) + share->partition_info_str_len= partition_info_str_len)) { - if (!(share->partition_info= (char*) + if (!(share->partition_info_str= (char*) memdup_root(&share->mem_root, next_chunk + 4, - partition_info_len + 1))) + partition_info_str_len + 1))) { my_free(buff, MYF(0)); goto err; } } #else - if (partition_info_len) + if (partition_info_str_len) { DBUG_PRINT("info", ("WITH_PARTITION_STORAGE_ENGINE is not defined")); my_free(buff, MYF(0)); goto err; } #endif - next_chunk+= 5 + partition_info_len; + next_chunk+= 5 + partition_info_str_len; } #if MYSQL_VERSION_ID < 50200 if (share->mysql_version >= 50106 && share->mysql_version <= 50109) @@ -1638,6 +1638,10 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head, my_hash_free(&share->name_hash); if (share->ha_data_destroy) share->ha_data_destroy(share->ha_data); +#ifdef WITH_PARTITION_STORAGE_ENGINE + if (share->ha_part_data_destroy) + share->ha_part_data_destroy(share->ha_part_data); +#endif open_table_error(share, error, share->open_errno, errarg); DBUG_RETURN(error); @@ -1829,7 +1833,7 @@ int open_table_from_share(THD *thd, TABLE_SHARE *share, const char *alias, } #ifdef WITH_PARTITION_STORAGE_ENGINE - if (share->partition_info_len && outparam->file) + if (share->partition_info_str_len && outparam->file) { /* In this execution we must avoid calling thd->change_item_tree since @@ -1850,10 +1854,8 @@ int open_table_from_share(THD *thd, TABLE_SHARE *share, const char *alias, bool tmp; bool work_part_info_used; - tmp= mysql_unpack_partition(thd, share->partition_info, - share->partition_info_len, - share->part_state, - share->part_state_len, + tmp= mysql_unpack_partition(thd, share->partition_info_str, + share->partition_info_str_len, outparam, is_create_table, share->default_part_db_type, &work_part_info_used); diff --git a/sql/table.h b/sql/table.h index 3832e7c9555..2850f352bbd 100644 --- a/sql/table.h +++ b/sql/table.h @@ -495,13 +495,11 @@ struct TABLE_SHARE int cached_row_logging_check; #ifdef WITH_PARTITION_STORAGE_ENGINE - /** @todo: Move into *ha_data for partitioning */ + /* filled in when reading from frm */ bool auto_partitioned; - const char *partition_info; - uint partition_info_len; + const char *partition_info_str; + uint partition_info_str_len; uint partition_info_buffer_size; - const char *part_state; - uint part_state_len; handlerton *default_part_db_type; #endif @@ -521,6 +519,14 @@ struct TABLE_SHARE void *ha_data; void (*ha_data_destroy)(void *); /* An optional destructor for ha_data */ +#ifdef WITH_PARTITION_STORAGE_ENGINE + /** place to store partition specific data, LOCK_ha_data hold while init. */ + void *ha_part_data; + /* Destructor for ha_part_data */ + void (*ha_part_data_destroy)(void *); +#endif + + /** Instrumentation for this table share. */ PSI_table_share *m_psi; From f50ad079a1c7c58946f0962a34d8f7fb28111869 Mon Sep 17 00:00:00 2001 From: sbains <> Date: Wed, 31 Mar 2010 01:11:13 +0000 Subject: [PATCH 197/400] branches/innodb+: Create additional rollback segments on startup. Reduce the upper limit of total rollback segments from 256 to 128. This is because we can't use the sign bit. It has not caused problems in the past because we only created one segment. InnoDB has always had the capability to use the additional rollback segments therefore this patch is backwards compatible. The only requirement to maintain backward compatibility has been to ensure that the additional segments are created after the double write buffer. This is to avoid breaking assumptions in the existing code. Fix Bug#26590 MySQL does not allow more than 1023 open transactions --- include/trx0rseg.h | 8 ++- include/trx0sys.h | 23 ++++++-- include/trx0undo.ic | 2 +- srv/srv0start.c | 17 ++++++ trx/trx0rseg.c | 135 ++++++++++++++++++++++++++++++++------------ trx/trx0sys.c | 75 +++++++++++++++++------- 6 files changed, 196 insertions(+), 64 deletions(-) diff --git a/include/trx0rseg.h b/include/trx0rseg.h index a25d84f1e84..78a7a8c4bb0 100644 --- a/include/trx0rseg.h +++ b/include/trx0rseg.h @@ -103,7 +103,7 @@ trx_rseg_header_create( ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ ulint max_size, /*!< in: max size in pages */ - ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + ulint rseg_slot_no, /*!< in: rseg id == slot number in trx sys */ mtr_t* mtr); /*!< in: mtr */ /*********************************************************************//** Creates the memory copies for rollback segments and initializes the @@ -122,6 +122,12 @@ trx_rseg_mem_free( /*==============*/ trx_rseg_t* rseg); /* in, own: instance to free */ +/********************************************************************* +Creates a rollback segment. */ +UNIV_INTERN +trx_rseg_t* +trx_rseg_create(void); +/*==================*/ /* Number of undo log slots in a rollback segment file copy */ #define TRX_RSEG_N_SLOTS (UNIV_PAGE_SIZE / 16) diff --git a/include/trx0sys.h b/include/trx0sys.h index 8257e06e981..fc92b4317d5 100644 --- a/include/trx0sys.h +++ b/include/trx0sys.h @@ -431,6 +431,14 @@ trx_sys_file_format_id_to_name( const ulint id); /*!< in: id of the file format */ #endif /* !UNIV_HOTBACKUP */ +/********************************************************************* +Creates the rollback segments */ +UNIV_INTERN +void +trx_sys_create_rsegs( +/*=================*/ + ulint n_rsegs); /*!< number of rollback segments to create */ + /* The automatically created system rollback segment has this id */ #define TRX_SYS_SYSTEM_RSEG_ID 0 @@ -465,11 +473,16 @@ trx_sys_file_format_id_to_name( slots */ /*------------------------------------------------------------- @} */ -/** Maximum number of rollback segments: the number of segment -specification slots in the transaction system array; rollback segment -id must fit in one byte, therefore 256; each slot is currently 8 bytes -in size */ -#define TRX_SYS_N_RSEGS 256 +/* Max number of rollback segments: the number of segment specification slots +in the transaction system array; rollback segment id must fit in one (signed) +byte, therefore 128; each slot is currently 8 bytes in size. If you want +to raise the level to 256 then you will need to fix some assertions that +impose the 7 bit restriction. e.g., mach_write_to_3() */ +#define TRX_SYS_N_RSEGS 128 +/* Originally, InnoDB defined TRX_SYS_N_RSEGS as 256 but created only one +rollback segment. It initialized some arrays with this number of entries. +We must remember this limit in order to keep file compatibility. */ +#define TRX_SYS_OLD_N_RSEGS 256 /** Maximum length of MySQL binlog file name, in bytes. @see trx_sys_mysql_master_log_name diff --git a/include/trx0undo.ic b/include/trx0undo.ic index 2d289b34ef1..6502ee826e5 100644 --- a/include/trx0undo.ic +++ b/include/trx0undo.ic @@ -42,7 +42,7 @@ trx_undo_build_roll_ptr( #if DATA_ROLL_PTR_LEN != 7 # error "DATA_ROLL_PTR_LEN != 7" #endif - ut_ad(rseg_id < 128); + ut_ad(rseg_id < TRX_SYS_N_RSEGS); return(ut_dulint_create(is_insert * 128 * 256 * 256 + rseg_id * 256 * 256 diff --git a/srv/srv0start.c b/srv/srv0start.c index 356e23d3a5a..e5649d562ad 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1533,12 +1533,19 @@ innobase_start_or_create_for_mysql(void) if (create_new_db) { mtr_start(&mtr); + fsp_header_init(0, sum_of_new_sizes, &mtr); mtr_commit(&mtr); + /* To maintain backward compatibility we create only + the first rollback segment before the double write buffer. + All the remaining rollback segments will be created later, + after the double write buffer has been created. */ trx_sys_create(); + dict_create(); + srv_startup_is_before_trx_rollback_phase = FALSE; #ifdef UNIV_LOG_ARCHIVE @@ -1557,7 +1564,9 @@ innobase_start_or_create_for_mysql(void) in any disk i/o, first call dict_boot */ dict_boot(); + trx_sys_init_at_db_start(); + srv_startup_is_before_trx_rollback_phase = FALSE; /* Initialize the fsp free limit global variable in the log @@ -1714,6 +1723,14 @@ innobase_start_or_create_for_mysql(void) trx_sys_create_doublewrite_buf(); } + /* Here the double write buffer has already been created and so + any new rollback segments will be allocated after the double + write buffer. The default segment should already exist. + We create the new segments only if it's a new database or + the database was shutdown cleanly. */ + + trx_sys_create_rsegs(TRX_SYS_N_RSEGS - 1); + err = dict_create_or_check_foreign_constraint_tables(); if (err != DB_SUCCESS) { diff --git a/trx/trx0rseg.c b/trx/trx0rseg.c index e76736b831c..b458364b05d 100644 --- a/trx/trx0rseg.c +++ b/trx/trx0rseg.c @@ -51,11 +51,9 @@ trx_rseg_get_on_id( trx_rseg_t* rseg; rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list); - ut_ad(rseg); - while (rseg->id != id) { + while (rseg && rseg->id != id) { rseg = UT_LIST_GET_NEXT(rseg_list, rseg); - ut_ad(rseg); } return(rseg); @@ -73,7 +71,7 @@ trx_rseg_header_create( ulint zip_size, /*!< in: compressed page size in bytes or 0 for uncompressed pages */ ulint max_size, /*!< in: max size in pages */ - ulint* slot_no, /*!< out: rseg id == slot number in trx sys */ + ulint rseg_slot_no, /*!< in: rseg id == slot number in trx sys */ mtr_t* mtr) /*!< in: mtr */ { ulint page_no; @@ -86,14 +84,6 @@ trx_rseg_header_create( ut_ad(mutex_own(&kernel_mutex)); ut_ad(mtr_memo_contains(mtr, fil_space_get_latch(space, NULL), MTR_MEMO_X_LOCK)); - sys_header = trx_sysf_get(mtr); - - *slot_no = trx_sysf_rseg_find_free(mtr); - - if (*slot_no == ULINT_UNDEFINED) { - - return(FIL_NULL); - } /* Allocate a new file segment for the rollback segment */ block = fseg_create(space, 0, @@ -127,11 +117,13 @@ trx_rseg_header_create( trx_rsegf_set_nth_undo(rsegf, i, FIL_NULL, mtr); } - /* Add the rollback segment info to the free slot in the trx system - header */ + /* Add the rollback segment info to the free slot in + the trx system header */ - trx_sysf_rseg_set_space(sys_header, *slot_no, space, mtr); - trx_sysf_rseg_set_page_no(sys_header, *slot_no, page_no, mtr); + sys_header = trx_sysf_get(mtr); + + trx_sysf_rseg_set_space(sys_header, rseg_slot_no, space, mtr); + trx_sysf_rseg_set_page_no(sys_header, rseg_slot_no, page_no, mtr); return(page_no); } @@ -196,16 +188,16 @@ trx_rseg_mem_create( ulint page_no, /*!< in: page number of the segment header */ mtr_t* mtr) /*!< in: mtr */ { - trx_rsegf_t* rseg_header; - trx_rseg_t* rseg; - trx_ulogf_t* undo_log_hdr; - fil_addr_t node_addr; - ulint sum_of_undo_sizes; ulint len; + trx_rseg_t* rseg; + fil_addr_t node_addr; + trx_rsegf_t* rseg_header; + trx_ulogf_t* undo_log_hdr; + ulint sum_of_undo_sizes; ut_ad(mutex_own(&kernel_mutex)); - rseg = mem_alloc(sizeof(trx_rseg_t)); + rseg = mem_zalloc(sizeof(trx_rseg_t)); rseg->id = id; rseg->space = space; @@ -255,39 +247,108 @@ trx_rseg_mem_create( return(rseg); } -/*********************************************************************//** -Creates the memory copies for rollback segments and initializes the +/******************************************************************** +Creates the memory copies for the rollback segments and initializes the rseg list and array in trx_sys at a database startup. */ -UNIV_INTERN +static void -trx_rseg_list_and_array_init( -/*=========================*/ +trx_rseg_create_instance( +/*=====================*/ trx_sysf_t* sys_header, /*!< in: trx system header */ mtr_t* mtr) /*!< in: mtr */ { - ulint i; - ulint page_no; - ulint space; - - UT_LIST_INIT(trx_sys->rseg_list); - - trx_sys->rseg_history_len = 0; + ulint i; for (i = 0; i < TRX_SYS_N_RSEGS; i++) { + ulint page_no; page_no = trx_sysf_rseg_get_page_no(sys_header, i, mtr); if (page_no == FIL_NULL) { - trx_sys_set_nth_rseg(trx_sys, i, NULL); } else { - ulint zip_size; + ulint space; + ulint zip_size; + trx_rseg_t* rseg = NULL; + + ut_a(!trx_rseg_get_on_id(i)); space = trx_sysf_rseg_get_space(sys_header, i, mtr); zip_size = space ? fil_space_get_zip_size(space) : 0; - trx_rseg_mem_create(i, space, zip_size, page_no, mtr); + rseg = trx_rseg_mem_create( + i, space, zip_size, page_no, mtr); + + ut_a(rseg->id == i); } } } + +/********************************************************************* +Creates a rollback segment. +@return pointer to new rollback segment if create successful */ +UNIV_INTERN +trx_rseg_t* +trx_rseg_create(void) +/*=================*/ +{ + mtr_t mtr; + ulint slot_no; + trx_rseg_t* rseg = NULL; + + mtr_start(&mtr); + + /* To obey the latching order, acquire the file space + x-latch before the kernel mutex. */ + mtr_x_lock(fil_space_get_latch(TRX_SYS_SPACE, NULL), &mtr); + + mutex_enter(&kernel_mutex); + + slot_no = trx_sysf_rseg_find_free(&mtr); + + if (slot_no != ULINT_UNDEFINED) { + ulint space; + ulint page_no; + ulint zip_size; + trx_sysf_t* sys_header; + + page_no = trx_rseg_header_create( + TRX_SYS_SPACE, 0, ULINT_MAX, slot_no, &mtr); + + ut_a(page_no != FIL_NULL); + + ut_ad(!trx_rseg_get_on_id(slot_no)); + + sys_header = trx_sysf_get(&mtr); + + space = trx_sysf_rseg_get_space(sys_header, slot_no, &mtr); + + zip_size = space ? fil_space_get_zip_size(space) : 0; + + rseg = trx_rseg_mem_create( + slot_no, space, zip_size, page_no, &mtr); + } + + mutex_exit(&kernel_mutex); + mtr_commit(&mtr); + + return(rseg); +} + +/******************************************************************** +Initialize the rollback instance list. */ +UNIV_INTERN +void +trx_rseg_list_and_array_init( +/*=========================*/ + trx_sysf_t* sys_header, /* in: trx system header */ + mtr_t* mtr) /* in: mtr */ +{ + UT_LIST_INIT(trx_sys->rseg_list); + + trx_sys->rseg_history_len = 0; + + trx_rseg_create_instance(sys_header, mtr); +} + diff --git a/trx/trx0sys.c b/trx/trx0sys.c index b3abd00f4bd..9c531e64662 100644 --- a/trx/trx0sys.c +++ b/trx/trx0sys.c @@ -39,6 +39,7 @@ Created 3/26/1996 Heikki Tuuri #include "srv0srv.h" #include "trx0purge.h" #include "log0log.h" +#include "log0recv.h" #include "os0file.h" #include "read0read.h" @@ -877,7 +878,8 @@ trx_sysf_create( buf_block_t* block; page_t* page; ulint page_no; - ulint i; + byte* ptr; + ulint len; ut_ad(mtr); @@ -910,32 +912,31 @@ trx_sysf_create( sys_header = trx_sysf_get(mtr); /* Start counting transaction ids from number 1 up */ - mlog_write_dulint(sys_header + TRX_SYS_TRX_ID_STORE, - ut_dulint_create(0, 1), mtr); + mach_write_to_8(sys_header + TRX_SYS_TRX_ID_STORE, + ut_dulint_create(0, 1)); - /* Reset the rollback segment slots */ - for (i = 0; i < TRX_SYS_N_RSEGS; i++) { + /* Reset the rollback segment slots. Old versions of InnoDB + define TRX_SYS_N_RSEGS as 256 (TRX_SYS_OLD_N_RSEGS) and expect + that the whole array is initialized. */ + ptr = TRX_SYS_RSEGS + sys_header; + len = ut_max(TRX_SYS_OLD_N_RSEGS, TRX_SYS_N_RSEGS) + * TRX_SYS_RSEG_SLOT_SIZE; + memset(ptr, 0xff, len); + ptr += len; + ut_a(ptr <= page + (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END)); - trx_sysf_rseg_set_space(sys_header, i, ULINT_UNDEFINED, mtr); - trx_sysf_rseg_set_page_no(sys_header, i, FIL_NULL, mtr); - } + /* Initialize all of the page. This part used to be uninitialized. */ + memset(ptr, 0, UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + page - ptr); - /* The remaining area (up to the page trailer) is uninitialized. - Silence Valgrind warnings about it. */ - UNIV_MEM_VALID(sys_header + (TRX_SYS_RSEGS - + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE), - (UNIV_PAGE_SIZE - FIL_PAGE_DATA_END - - (TRX_SYS_RSEGS - + TRX_SYS_N_RSEGS * TRX_SYS_RSEG_SLOT_SIZE - + TRX_SYS_RSEG_SPACE)) - + page - sys_header); + mlog_log_string(sys_header, UNIV_PAGE_SIZE - FIL_PAGE_DATA_END + + page - sys_header, mtr); /* Create the first rollback segment in the SYSTEM tablespace */ - page_no = trx_rseg_header_create(TRX_SYS_SPACE, 0, ULINT_MAX, &slot_no, + slot_no = trx_sysf_rseg_find_free(mtr); + page_no = trx_rseg_header_create(TRX_SYS_SPACE, 0, ULINT_MAX, slot_no, mtr); ut_a(slot_no == TRX_SYS_SYSTEM_RSEG_ID); - ut_a(page_no != FIL_NULL); + ut_a(page_no == FSP_FIRST_RSEG_PAGE_NO); mutex_exit(&kernel_mutex); } @@ -1310,6 +1311,40 @@ trx_sys_file_format_close(void) { /* Does nothing at the moment */ } + +/********************************************************************* +Creates the rollback segments */ +UNIV_INTERN +void +trx_sys_create_rsegs( +/*=================*/ + ulint n_rsegs) /*!< number of rollback segments to create */ +{ + ulint new_rsegs = 0; + + /* Do not create additional rollback segments if + innodb_force_recovery has been set and the database + was not shutdown cleanly. */ + if (!srv_force_recovery && !recv_needed_recovery) { + ulint i; + + for (i = 0; i < n_rsegs; ++i) { + + if (trx_rseg_create() != NULL) { + ++new_rsegs; + } else { + break; + } + } + } + + if (new_rsegs > 0) { + fprintf(stderr, + "InnoDB: %lu rollback segment(s) active.\n", + new_rsegs); + } +} + #else /* !UNIV_HOTBACKUP */ /*****************************************************************//** Prints to stderr the MySQL binlog info in the system header if the From b8e393db14b0df290cbf55e86d165c2904e5f537 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Wed, 31 Mar 2010 11:39:54 +0000 Subject: [PATCH 198/400] branches/innodb+: Merge revisions r6897:6925 from branches/zip. Skip r6900, which was backported from branches/innodb+ 6899. ------------------------------------------------------------------------ r6919 | mmakela | 2010-03-31 11:34:22 +0300 (Wed, 31 Mar 2010) | 54 lines Changed paths: M /branches/zip/ChangeLog M /branches/zip/handler/ha_innodb.cc M /branches/zip/mysql-test/innodb_bug38231.test A /branches/zip/mysql-test/innodb_bug51920.result A /branches/zip/mysql-test/innodb_bug51920.test M /branches/zip/row/row0sel.c M /branches/zip/srv/srv0srv.c branches/zip: Merge revisions 6788:6918 from branches/5.1: ------------------------------------------------------------------------ r6822 | vasil | 2010-03-15 10:17:31 +0200 (Mon, 15 Mar 2010) | 12 lines Changed paths: M /branches/5.1/row/row0sel.c branches/5.1: Typecast to silence a compiler warning: row/row0sel.c: 4548 C4244: '=' : conversion from 'float' to 'ib_ulonglong', possible loss of data row/row0sel.c: 4553 C4244: '=' : conversion from 'double' to 'ib_ulonglong', possible loss of data Reported by: Jonas Oreland Discussed with: Sunny Bains ------------------------------------------------------------------------ r6884 | vdimov | 2010-03-26 13:05:03 +0200 (Fri, 26 Mar 2010) | 6 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug38231.test branches/5.1: Fix a non-determinism in innodb_bug38231. Reported by: Sergey Vojtovich ------------------------------------------------------------------------ r6911 | vdimov | 2010-03-30 11:39:02 +0300 (Tue, 30 Mar 2010) | 2 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Whitespace fixup ------------------------------------------------------------------------ r6912 | vdimov | 2010-03-30 12:18:46 +0300 (Tue, 30 Mar 2010) | 2 lines Changed paths: M /branches/5.1/handler/ha_innodb.cc branches/5.1: Whitespace fixup on line 354 ------------------------------------------------------------------------ r6918 | mmakela | 2010-03-31 11:14:51 +0300 (Wed, 31 Mar 2010) | 6 lines Changed paths: A /branches/5.1/mysql-test/innodb_bug51920.result A /branches/5.1/mysql-test/innodb_bug51920.test M /branches/5.1/srv/srv0srv.c branches/5.1: Obey KILL during a lock wait (Bug #51920). srv_suspend_mysql_thread(), srv_lock_timeout_and_monitor_thread(): Check trx_is_interrupted() in addition to checking the lock wait timeout. rb://279 approved by Sunny Bains ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6920 | mmakela | 2010-03-31 11:49:08 +0300 (Wed, 31 Mar 2010) | 1 line Changed paths: M /branches/zip/row/row0sel.c branches/zip: Fix a compilation error that sneaked in in r6919. ------------------------------------------------------------------------ r6922 | mmakela | 2010-03-31 14:54:30 +0300 (Wed, 31 Mar 2010) | 11 lines Changed paths: M /branches/zip/mysql-test/innodb_bug51920.result M /branches/zip/mysql-test/innodb_bug51920.test branches/zip: Merge revisions 6918:6921 from branches/5.1: ------------------------------------------------------------------------ r6921 | mmakela | 2010-03-31 14:33:04 +0300 (Wed, 31 Mar 2010) | 2 lines Changed paths: M /branches/5.1/mysql-test/innodb_bug51920.result M /branches/5.1/mysql-test/innodb_bug51920.test branches/5.1: innodb_bug51920.test: Make the test quicker and more deterministic. Suggested by Vasil Dimov. ------------------------------------------------------------------------ ------------------------------------------------------------------------ r6925 | mmakela | 2010-03-31 15:30:56 +0300 (Wed, 31 Mar 2010) | 9 lines branches/zip: Merge revisions 6921:6924 from branches/5.1: ------------------------------------------------------------------------ r6924 | mmakela | 2010-03-31 15:28:25 +0300 (Wed, 31 Mar 2010) | 1 line Changed paths: M /branches/5.1/mysql-test/innodb_bug51920.test branches/5.1: innodb_bug51920.test: Fix a race condition. ------------------------------------------------------------------------ ------------------------------------------------------------------------ --- ChangeLog | 12 ++++++++++ handler/ha_innodb.cc | 7 +++--- mysql-test/innodb_bug38231.test | 15 ++++++++++++ mysql-test/innodb_bug51920.result | 13 +++++++++++ mysql-test/innodb_bug51920.test | 39 +++++++++++++++++++++++++++++++ row/row0sel.c | 4 ++-- srv/srv0srv.c | 12 ++++++---- 7 files changed, 92 insertions(+), 10 deletions(-) create mode 100644 mysql-test/innodb_bug51920.result create mode 100644 mysql-test/innodb_bug51920.test diff --git a/ChangeLog b/ChangeLog index 58e476716d8..58b56f1e8a5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,15 @@ +2010-03-31 The InnoDB Team + + * mysql-test/innodb_bug51920.test, mysql-test/innodb_bug51920.result, + srv/srv0srv.c: + Fix Bug#51920 InnoDB connections in row lock wait ignore KILL + until lock wait timeout + +2010-03-31 The InnoDB Team + + * mysql-test/innodb_bug38231.test: + Remove non-determinism in the test case. + 2010-03-18 The InnoDB Team * CMakeLists.txt: diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 6a594a62a7c..447b2ef7ea0 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -441,7 +441,7 @@ static MYSQL_THDVAR_ULONG(lock_wait_timeout, PLUGIN_VAR_RQCMDARG, static handler *innobase_create_handler(handlerton *hton, - TABLE_SHARE *table, + TABLE_SHARE *table, MEM_ROOT *mem_root) { return new (mem_root) ha_innobase(hton, table); @@ -554,8 +554,9 @@ static int innobase_start_trx_and_assign_read_view( /*====================================*/ - handlerton* hton, /*!< in: Innodb handlerton */ - THD* thd); /*!< in: MySQL thread handle of the user for whom + /* out: 0 */ + handlerton* hton, /* in: Innodb handlerton */ + THD* thd); /* in: MySQL thread handle of the user for whom the transaction should be committed */ /****************************************************************//** Flushes InnoDB logs to disk and makes a checkpoint. Really, a commit flushes diff --git a/mysql-test/innodb_bug38231.test b/mysql-test/innodb_bug38231.test index 54f58844c42..1611cb56203 100644 --- a/mysql-test/innodb_bug38231.test +++ b/mysql-test/innodb_bug38231.test @@ -27,6 +27,21 @@ SET autocommit=0; -- send LOCK TABLE bug38231 WRITE; +# When con1 does UNLOCK below this will release either con2 or con3 which are +# both waiting on LOCK. At the end we must first --reap and UNLOCK the +# connection that has been released, otherwise it will wait forever. We assume +# that the released connection will be the first one that has gained the LOCK, +# thus we force the order here - con2 does LOCK first, then con3. In other +# words we wait for LOCK from con2 above to be exected before doing LOCK in +# con3. +-- connection con1 +let $wait_condition = + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE info = 'LOCK TABLE bug38231 WRITE'; +-- source include/wait_condition.inc +# the above enables query log, re-disable it +-- disable_query_log + -- connection con3 SET autocommit=0; -- send diff --git a/mysql-test/innodb_bug51920.result b/mysql-test/innodb_bug51920.result new file mode 100644 index 00000000000..4c2ec3e01e5 --- /dev/null +++ b/mysql-test/innodb_bug51920.result @@ -0,0 +1,13 @@ +CREATE TABLE bug51920 (i INT) ENGINE=InnoDB; +INSERT INTO bug51920 VALUES (1); +BEGIN; +SELECT * FROM bug51920 FOR UPDATE; +i +1 +UPDATE bug51920 SET i=2; +SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST +WHERE INFO="UPDATE bug51920 SET i=2" +INTO @thread_id; +KILL @thread_id; +ERROR 70100: Query execution was interrupted +DROP TABLE bug51920; diff --git a/mysql-test/innodb_bug51920.test b/mysql-test/innodb_bug51920.test new file mode 100644 index 00000000000..05c884134be --- /dev/null +++ b/mysql-test/innodb_bug51920.test @@ -0,0 +1,39 @@ +# +# Bug #51920: InnoDB connections in lock wait ignore KILL until timeout +# +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +CREATE TABLE bug51920 (i INT) ENGINE=InnoDB; +INSERT INTO bug51920 VALUES (1); + +BEGIN; +SELECT * FROM bug51920 FOR UPDATE; + +connect (con1,localhost,root,,); + +connection con1; +--send +UPDATE bug51920 SET i=2; + +connection default; +let $wait_condition = + SELECT COUNT(*)=1 FROM information_schema.processlist + WHERE INFO="UPDATE bug51920 SET i=2"; +-- source include/wait_condition.inc + +SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST +WHERE INFO="UPDATE bug51920 SET i=2" +INTO @thread_id; + +KILL @thread_id; +let $wait_condition = + SELECT COUNT(*)=0 FROM information_schema.processlist WHERE ID=@thread_id; +-- source include/wait_condition.inc + +connection con1; +-- error ER_QUERY_INTERRUPTED +reap; +connection default; +DROP TABLE bug51920; +-- disconnect con1 diff --git a/row/row0sel.c b/row/row0sel.c index 78318bf6461..16d4f2f7bfd 100644 --- a/row/row0sel.c +++ b/row/row0sel.c @@ -4613,12 +4613,12 @@ row_search_autoinc_read_column( case DATA_FLOAT: ut_a(len == sizeof(float)); - value = mach_float_read(data); + value = (ib_uint64_t) mach_float_read(data); break; case DATA_DOUBLE: ut_a(len == sizeof(double)); - value = mach_double_read(data); + value = (ib_uint64_t) mach_double_read(data); break; default: diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 365d08e115f..02e1251ac39 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -1627,8 +1627,9 @@ srv_suspend_mysql_thread( innodb_lock_wait_timeout, because trx->mysql_thd == NULL. */ lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); - if (lock_wait_timeout < 100000000 - && wait_time > (double) lock_wait_timeout) { + if (trx_is_interrupted(trx) + || (lock_wait_timeout < 100000000 + && wait_time > (double) lock_wait_timeout)) { trx->error_state = DB_LOCK_WAIT_TIMEOUT; } @@ -2185,9 +2186,10 @@ loop: lock_wait_timeout = thd_lock_wait_timeout( trx->mysql_thd); - if (lock_wait_timeout < 100000000 - && (wait_time > (double) lock_wait_timeout - || wait_time < 0)) { + if (trx_is_interrupted(trx) + || (lock_wait_timeout < 100000000 + && (wait_time > (double) lock_wait_timeout + || wait_time < 0))) { /* Timeout exceeded or a wrap-around in system time counter: cancel the lock request queued From e39826c69b990b65239c6f618659f16054f6bf3b Mon Sep 17 00:00:00 2001 From: sbains <> Date: Wed, 31 Mar 2010 15:22:51 +0000 Subject: [PATCH 199/400] branches/innodb+: Create a separate purge thread to do the purge. Introduce two new configuration parameters. 1. innodb-purge-threads := [01] -- default is 0 2. innodb-purge-batch-size := 20 ... 5000 -- default is 20 rb://271 --- handler/ha_innodb.cc | 19 ++++ include/srv0srv.h | 31 +++++++ include/trx0purge.h | 6 +- srv/srv0srv.c | 217 ++++++++++++++++++++++++++++++++++++++----- srv/srv0start.c | 15 ++- trx/trx0purge.c | 17 ++-- 6 files changed, 272 insertions(+), 33 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 447b2ef7ea0..50515511da9 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -10669,6 +10669,23 @@ static MYSQL_SYSVAR_ULONG(io_capacity, srv_io_capacity, "Number of IOPs the server can do. Tunes the background IO rate", NULL, NULL, 200, 100, ~0L, 0); +static MYSQL_SYSVAR_ULONG(purge_batch_size, srv_purge_batch_size, + PLUGIN_VAR_OPCMDARG, + "Number of UNDO logs to purge in one batch from the history list. " + "Default is 20", + NULL, NULL, + 20, /* Default setting */ + 1, /* Minimum value */ + 5000, 0); /* Maximum value */ + +static MYSQL_SYSVAR_ULONG(purge_threads, srv_n_purge_threads, + PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, + "Purge threads can be either 0 or 1. Default is 0.", + NULL, NULL, + 0, /* Default setting */ + 0, /* Minimum value */ + 1, 0); /* Maximum value */ + static MYSQL_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown, PLUGIN_VAR_OPCMDARG, "Speeds up the shutdown process of the InnoDB storage engine. Possible " @@ -10982,6 +10999,8 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(change_buffering), MYSQL_SYSVAR(read_ahead_threshold), MYSQL_SYSVAR(io_capacity), + MYSQL_SYSVAR(purge_threads), + MYSQL_SYSVAR(purge_batch_size), NULL }; diff --git a/include/srv0srv.h b/include/srv0srv.h index 5fb1cb15ac6..74c604124f5 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -271,6 +271,12 @@ extern ulint srv_os_log_pending_writes; log buffer and have to flush it */ extern ulint srv_log_waits; +/* the number of purge threads to use from the worker pool (currently 0 or 1) */ +extern ulint srv_n_purge_threads; + +/* the number of records to purge in one batch */ +extern ulint srv_purge_batch_size; + /* variable that counts amount of data read in total (in bytes) */ extern ulint srv_data_read; @@ -483,6 +489,12 @@ srv_master_thread( void* arg); /*!< in: a dummy parameter required by os_thread_create */ /*******************************************************************//** +Wakes up the purge thread if it's not already awake. */ +UNIV_INTERN +void +srv_wake_purge_thread(void); +/*=======================*/ +/*******************************************************************//** Tells the Innobase server that there has been activity in the database and wakes up the master thread if it is suspended (not sleeping). Used in the MySQL interface. Note that there is a small chance that the master @@ -498,6 +510,16 @@ UNIV_INTERN void srv_wake_master_thread(void); /*========================*/ +/*******************************************************************//** +Tells the purge thread that there has been activity in the database +and wakes up the purge thread if it is suspended (not sleeping). Note +that there is a small chance that the purge thread stays suspended +(we do not protect our operation with the kernel mutex, for +performace reasons). */ +UNIV_INTERN +void +srv_wake_purge_thread_if_not_active(void); +/*=====================================*/ /*********************************************************************//** Puts an OS thread to wait if there are too many concurrent threads (>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */ @@ -604,6 +626,15 @@ void srv_export_innodb_status(void); /*==========================*/ +/*********************************************************************//** +Asynchronous purge thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_purge_thread( +/*=============*/ + void* arg __attribute__((unused))); /*!< in: a dummy parameter + required by os_thread_create */ /** Thread slot in the thread table */ typedef struct srv_slot_struct srv_slot_t; diff --git a/include/trx0purge.h b/include/trx0purge.h index 908760580f6..d2730a68a78 100644 --- a/include/trx0purge.h +++ b/include/trx0purge.h @@ -112,8 +112,10 @@ This function runs a purge batch. @return number of undo log pages handled in the batch */ UNIV_INTERN ulint -trx_purge(void); -/*===========*/ +trx_purge( +/*======*/ + ulint limit); /*!< in: the maximum number of records to + purge in one batch */ /******************************************************************//** Prints information of the purge system to stderr. */ UNIV_INTERN diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 02e1251ac39..838df292bfc 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -246,6 +246,12 @@ that during a time of heavy update/insert activity. */ UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 75; +/* the number of purge threads to use from the worker pool (currently 0 or 1).*/ +UNIV_INTERN ulint srv_n_purge_threads = 0; + +/* the number of records to purge in one batch */ +UNIV_INTERN ulint srv_purge_batch_size = 20; + /* variable counts amount of data read in total (in bytes) */ UNIV_INTERN ulint srv_data_read = 0; @@ -704,6 +710,16 @@ are indexed by the type of the thread. */ UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; +/*********************************************************************//** +Asynchronous purge thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_purge_thread( +/*=============*/ + void* arg __attribute__((unused))); /*!< in: a dummy parameter + required by os_thread_create */ + /*********************************************************************** Prints counters for work done by srv_master_thread. */ static @@ -2369,6 +2385,30 @@ srv_active_wake_master_thread(void) } } +/*******************************************************************//** +Tells the purge thread that there has been activity in the database +and wakes up the purge thread if it is suspended (not sleeping). Note +that there is a small chance that the purge thread stays suspended +(we do not protect our operation with the kernel mutex, for +performace reasons). */ +UNIV_INTERN +void +srv_wake_purge_thread_if_not_active(void) +/*=====================================*/ +{ + ut_ad(!mutex_own(&kernel_mutex)); + + if (srv_n_purge_threads > 0 + && srv_n_threads_active[SRV_WORKER] == 0) { + + mutex_enter(&kernel_mutex); + + srv_release_threads(SRV_WORKER, 1); + + mutex_exit(&kernel_mutex); + } +} + /*******************************************************************//** Wakes up the master thread if it is suspended or being suspended. */ UNIV_INTERN @@ -2385,6 +2425,25 @@ srv_wake_master_thread(void) mutex_exit(&kernel_mutex); } +/*******************************************************************//** +Wakes up the purge thread if it's not already awake. */ +UNIV_INTERN +void +srv_wake_purge_thread(void) +/*=======================*/ +{ + ut_ad(!mutex_own(&kernel_mutex)); + + if (srv_n_purge_threads > 0) { + + mutex_enter(&kernel_mutex); + + srv_release_threads(SRV_WORKER, 1); + + mutex_exit(&kernel_mutex); + } +} + /********************************************************************** The master thread is tasked to ensure that flush of log file happens once every second in the background. This is to ensure that not more @@ -2405,6 +2464,34 @@ srv_sync_log_buffer_in_background(void) } } +/********************************************************************//** +Do a full purge, reconfigure the purge sub-system if a dynamic +change is detected. */ +static +void +srv_master_do_purge(void) +/*=====================*/ +{ + ulint n_pages_purged; + + ut_ad(!mutex_own(&kernel_mutex)); + + ut_a(srv_n_purge_threads == 0); + + do { + /* Check for shutdown and change in purge config. */ + if (srv_fast_shutdown && srv_shutdown_state > 0) { + /* Nothing to purge. */ + n_pages_purged = 0; + } else { + n_pages_purged = trx_purge(srv_purge_batch_size); + } + + srv_sync_log_buffer_in_background(); + + } while (n_pages_purged > 0); +} + /*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ @@ -2620,20 +2707,16 @@ loop: /* We run a full purge every 10 seconds, even if the server were active */ - do { + if (srv_n_purge_threads == 0) { + srv_main_thread_op_info = "master purging"; + + srv_master_do_purge(); if (srv_fast_shutdown && srv_shutdown_state > 0) { goto background_loop; } - - srv_main_thread_op_info = "purging"; - n_pages_purged = trx_purge(); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - } while (n_pages_purged); + } srv_main_thread_op_info = "flushing buffer pool pages"; @@ -2702,22 +2785,11 @@ background_loop: os_thread_sleep(100000); } - srv_main_thread_op_info = "purging"; + if (srv_n_purge_threads == 0) { + srv_main_thread_op_info = "master purging"; - /* Run a full purge */ - do { - if (srv_fast_shutdown && srv_shutdown_state > 0) { - - break; - } - - srv_main_thread_op_info = "purging"; - n_pages_purged = trx_purge(); - - /* Flush logs if needed */ - srv_sync_log_buffer_in_background(); - - } while (n_pages_purged); + srv_master_do_purge(); + } srv_main_thread_op_info = "reserving kernel mutex"; @@ -2871,3 +2943,100 @@ suspend_thread: OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ } + +/*********************************************************************//** +Asynchronous purge thread. +@return a dummy parameter */ +UNIV_INTERN +os_thread_ret_t +srv_purge_thread( +/*=============*/ + void* arg __attribute__((unused))) /*!< in: a dummy parameter + required by os_thread_create */ +{ + srv_slot_t* slot; + ulint slot_no = ULINT_UNDEFINED; + ulint n_total_purged = ULINT_UNDEFINED; + + ut_a(srv_n_purge_threads == 1); + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "InnoDB: Purge thread running, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif /* UNIV_DEBUG_THREAD_CREATION */ + + mutex_enter(&kernel_mutex); + + slot_no = srv_table_reserve_slot(SRV_WORKER); + + ++srv_n_threads_active[SRV_WORKER]; + + mutex_exit(&kernel_mutex); + + while (srv_shutdown_state != SRV_SHUTDOWN_EXIT_THREADS) { + + ulint n_pages_purged; + + /* If there are very few records to purge or the last + purge didn't purge any records then wait for activity. + We peek at the history len without holding any mutex + because in the worst case we will end up waiting for + the next purge event. */ + if (trx_sys->rseg_history_len < srv_purge_batch_size + || n_total_purged == 0) { + + os_event_t event; + + mutex_enter(&kernel_mutex); + + event = srv_suspend_thread(); + + mutex_exit(&kernel_mutex); + + os_event_wait(event); + } + + /* Check for shutdown and whether we should do purge at all. */ + if (srv_force_recovery >= SRV_FORCE_NO_BACKGROUND + || srv_shutdown_state != 0 + || srv_fast_shutdown) { + + break; + } + + n_total_purged = 0; + + /* Purge until there are no more records to purge and there is + no change in configuration or server state. */ + do { + n_pages_purged = trx_purge(srv_purge_batch_size); + + n_total_purged += n_pages_purged; + + } while (n_pages_purged > 0 && !srv_fast_shutdown); + + srv_sync_log_buffer_in_background(); + } + + /* Free the thread local memory. */ + thr_local_free(os_thread_get_curr_id()); + + mutex_enter(&kernel_mutex); + + /* Free the slot for reuse. */ + slot = srv_table_get_nth_slot(slot_no); + slot->in_use = FALSE; + + mutex_exit(&kernel_mutex); + +#ifdef UNIV_DEBUG_THREAD_CREATION + fprintf(stderr, "InnoDB: Purge thread exiting, id %lu\n", + os_thread_pf(os_thread_get_curr_id())); +#endif /* UNIV_DEBUG_THREAD_CREATION */ + + /* We count the number of threads in os_thread_exit(). A created + thread should always use that to exit and not use return() to exit. */ + os_thread_exit(NULL); + + OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ +} diff --git a/srv/srv0start.c b/srv/srv0start.c index e5649d562ad..27ca9ff228b 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1742,6 +1742,16 @@ innobase_start_or_create_for_mysql(void) os_thread_create(&srv_master_thread, NULL, thread_ids + (1 + SRV_MAX_N_IO_THREADS)); + + /* Currently we allow only a single purge thread. */ + ut_a(srv_n_purge_threads == 0 || srv_n_purge_threads == 1); + + /* If the user has requested a separate purge thread then + start the purge thread. */ + if (srv_n_purge_threads == 1) { + os_thread_create(&srv_purge_thread, NULL, NULL); + } + #ifdef UNIV_DEBUG /* buf_debug_prints = TRUE; */ #endif /* UNIV_DEBUG */ @@ -1995,7 +2005,10 @@ innobase_shutdown_for_mysql(void) /* c. We wake the master thread so that it exits */ srv_wake_master_thread(); - /* d. Exit the i/o threads */ + /* d. We wake the purge thread so that it exits */ + srv_wake_purge_thread(); + + /* e. Exit the i/o threads */ os_aio_wake_all_threads_at_shutdown(); diff --git a/trx/trx0purge.c b/trx/trx0purge.c index acbf6578bad..550a8c9c4b3 100644 --- a/trx/trx0purge.c +++ b/trx/trx0purge.c @@ -41,7 +41,7 @@ Created 3/26/1996 Heikki Tuuri #include "row0purge.h" #include "row0upd.h" #include "trx0rec.h" -#include "srv0que.h" +#include "srv0srv.h" #include "os0thread.h" /** The global data structure coordinating a purge */ @@ -364,6 +364,11 @@ trx_purge_add_update_undo_to_history( trx_sys->rseg_history_len++; mutex_exit(&kernel_mutex); + if (!(trx_sys->rseg_history_len % srv_purge_batch_size)) { + /* Inform the purge thread that there is work to do. */ + srv_wake_purge_thread_if_not_active(); + } + /* Write the trx number to the undo log header */ mlog_write_dulint(undo_header + TRX_UNDO_TRX_NO, trx->no, mtr); /* Write information about delete markings to the undo log header */ @@ -1096,8 +1101,10 @@ This function runs a purge batch. @return number of undo log pages handled in the batch */ UNIV_INTERN ulint -trx_purge(void) -/*===========*/ +trx_purge( +/*======*/ + ulint limit) /*!< in: the maximum number of records to + purge in one batch */ { que_thr_t* thr; /* que_thr_t* thr2; */ @@ -1158,9 +1165,7 @@ trx_purge(void) purge_sys->state = TRX_PURGE_ON; - /* Handle at most 20 undo log pages in one purge batch */ - - purge_sys->handle_limit = purge_sys->n_pages_handled + 20; + purge_sys->handle_limit = purge_sys->n_pages_handled + limit; old_pages_handled = purge_sys->n_pages_handled; From 990829d5a4efac4ac3ea78d4e860c0cafa5f71c0 Mon Sep 17 00:00:00 2001 From: sbains <> Date: Wed, 31 Mar 2010 16:20:22 +0000 Subject: [PATCH 200/400] branches/innodb+: Add check for libaio on Linux. --- CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index 2bbaa094df6..b63b45d52b4 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -22,7 +22,13 @@ INCLUDE(CheckCSourceRuns) # OS tests IF(UNIX) IF(CMAKE_SYSTEM_NAME STREQUAL "Linux") + CHECK_INCLUDE_FILES (libaio.h HAVE_LIBAIO_H) + CHECK_LIBRARY_EXISTS(aio io_queue_init "" HAVE_LIBAIO) ADD_DEFINITIONS("-DUNIV_LINUX -D_GNU_SOURCE=1") + IF(HAVE_LIBAIO_H AND HAVE_LIBAIO) + ADD_DEFINITIONS(-DLINUX_NATIVE_AIO=1) + LINK_LIBRARIES(aio) + ENDIF() ELSEIF(CMAKE_SYSTEM_NAME MATCHES "HP*") ADD_DEFINITIONS("-DUNIV_HPUX -DUNIV_MUST_NOT_INLINE") ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "AIX") From 5fa48065dd255f0454b7359e04eac2352f1a9de8 Mon Sep 17 00:00:00 2001 From: irana <> Date: Wed, 31 Mar 2010 18:22:20 +0000 Subject: [PATCH 201/400] branches/innodb+ Non-functional change. Take our the start up message about ignoring innodb_use_native_aio. --- srv/srv0start.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/srv/srv0start.c b/srv/srv0start.c index 27ca9ff228b..a257fd32aab 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1177,9 +1177,6 @@ innobase_start_or_create_for_mysql(void) /* Currently native AIO is supported only on windows and linux and that also when the support is compiled in. In all other cases, we ignore the setting of innodb_use_native_aio. */ - - /* TODO: comment this out after internal testing. */ - fprintf(stderr, "Ignoring innodb_use_native_aio\n"); srv_use_native_aio = FALSE; #endif From 47a4352ec2eec874e758dccfda4770ffd7031d0d Mon Sep 17 00:00:00 2001 From: irana <> Date: Wed, 31 Mar 2010 20:49:53 +0000 Subject: [PATCH 202/400] branches/innodb+ rb://281 changes to mtr_commit: 1) grab log mutex (and do initial mtr commit stuff) for each dirty block 2) grab flush_list mutex 3) Insert into flush list 4) release flush_list mutex 5) release log_sys mutex Changed version: 1) grab log mutex (and do initial mtr commit stuff) 2) grab a new flushList order mutex 3) release log mutex for each dirty block 4) grab flush_list mutex 5) Insert into flush list 6) release flush_list mutex 7) Release new flush list order mutex Approved by: Marko has given the initial nod. --- buf/buf0buf.c | 4 ++++ buf/buf0flu.c | 2 ++ include/buf0buf.h | 21 +++++++++++++++++++++ include/buf0flu.ic | 2 ++ include/sync0sync.h | 3 ++- log/log0recv.c | 2 ++ mtr/mtr0mtr.c | 12 ++++++++++-- sync/sync0sync.c | 1 + 8 files changed, 44 insertions(+), 3 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index 075a0a47938..e73562bf497 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -284,6 +284,7 @@ UNIV_INTERN mysql_pfs_key_t buffer_block_mutex_key; UNIV_INTERN mysql_pfs_key_t buf_pool_mutex_key; UNIV_INTERN mysql_pfs_key_t buf_pool_zip_mutex_key; UNIV_INTERN mysql_pfs_key_t flush_list_mutex_key; +UNIV_INTERN mysql_pfs_key_t flush_order_mutex_key; #endif /* UNIV_PFS_MUTEX */ /** A chunk of buffers. The buffer pool is allocated in chunks. */ @@ -1006,6 +1007,9 @@ buf_pool_init(void) mutex_create(flush_list_mutex_key, &buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); + mutex_create(flush_order_mutex_key, &buf_pool->flush_order_mutex, + SYNC_BUF_FLUSH_ORDER); + for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { buf_pool->no_flush[i] = os_event_create(NULL); } diff --git a/buf/buf0flu.c b/buf/buf0flu.c index f9716b94472..1ef1e710f55 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -228,6 +228,7 @@ buf_flush_insert_into_flush_list( ib_uint64_t lsn) /*!< in: oldest modification */ { ut_ad(!buf_pool_mutex_own()); + ut_ad(buf_flush_order_mutex_own()); ut_ad(mutex_own(&block->mutex)); buf_flush_list_mutex_enter(); @@ -273,6 +274,7 @@ buf_flush_insert_sorted_into_flush_list( buf_page_t* b; ut_ad(!buf_pool_mutex_own()); + ut_ad(buf_flush_order_mutex_own()); ut_ad(mutex_own(&block->mutex)); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); diff --git a/include/buf0buf.h b/include/buf0buf.h index 38c163feeb4..62e4f54559a 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -1432,6 +1432,14 @@ struct buf_pool_struct{ the bpage is on flush_list. It also protects writes to bpage::oldest_modification */ + mutex_t flush_order_mutex;/*!< mutex to serialize access to + the flush list when we are putting + dirty blocks in the list. The idea + behind this mutex is to be able + to release log_sys->mutex during + mtr_commit and still ensure that + insertions in the flush_list happen + in the LSN order. */ UT_LIST_BASE_NODE_T(buf_page_t) flush_list; /*!< base node of the modified block list */ @@ -1551,6 +1559,19 @@ Use these instead of accessing buf_pool_mutex directly. */ mutex_exit(&buf_pool->flush_list_mutex); \ } while (0) +/** Test if flush order mutex is owned. */ +#define buf_flush_order_mutex_own() mutex_own(&buf_pool->flush_order_mutex) + +/** Acquire the flush order mutex. */ +#define buf_flush_order_mutex_enter() do { \ + mutex_enter(&buf_pool->flush_order_mutex); \ +} while (0) +/** Release the flush order mutex. */ +# define buf_flush_order_mutex_exit() do { \ + mutex_exit(&buf_pool->flush_order_mutex); \ +} while (0) + + #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /** Flag to forbid the release of the buffer pool mutex. Protected by buf_pool_mutex. */ diff --git a/include/buf0flu.ic b/include/buf0flu.ic index 5005bcce513..fb71932e453 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -66,6 +66,7 @@ buf_flush_note_modification( ut_ad(!buf_pool_mutex_own()); ut_ad(!buf_flush_list_mutex_own()); + ut_ad(buf_flush_order_mutex_own()); ut_ad(mtr->start_lsn != 0); ut_ad(mtr->modifications); @@ -107,6 +108,7 @@ buf_flush_recv_note_modification( ut_ad(!buf_pool_mutex_own()); ut_ad(!buf_flush_list_mutex_own()); + ut_ad(buf_flush_order_mutex_own()); ut_ad(start_lsn != 0); ut_ad(block->page.newest_modification <= end_lsn); diff --git a/include/sync0sync.h b/include/sync0sync.h index 8bdd3988e1e..280f728c8d8 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -655,7 +655,8 @@ or row lock! */ can call routines there! Otherwise the level is SYNC_MEM_HASH. */ #define SYNC_BUF_POOL 150 /* Buffer pool mutex */ -#define SYNC_BUF_BLOCK 149 /* Block mutex */ +#define SYNC_BUF_FLUSH_ORDER 147 +#define SYNC_BUF_BLOCK 146 /* Block mutex */ #define SYNC_BUF_FLUSH_LIST 145 /* Buffer flush list mutex */ #define SYNC_DOUBLEWRITE 140 #define SYNC_ANY_LATCH 135 diff --git a/log/log0recv.c b/log/log0recv.c index 2047439896a..0e96dbbb960 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1661,7 +1661,9 @@ recv_recover_page_func( if (modification_to_page) { ut_a(block); + buf_flush_order_mutex_enter(); buf_flush_recv_note_modification(block, start_lsn, end_lsn); + buf_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index f331924d63c..78618564ef1 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -120,6 +120,7 @@ mtr_memo_slot_note_modification( ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); ut_ad(mtr->modifications); + ut_ad(buf_flush_order_mutex_own()); if (slot->object != NULL && slot->type == MTR_MEMO_PAGE_X_FIX) { buf_flush_note_modification((buf_block_t*) slot->object, mtr); @@ -220,11 +221,16 @@ mtr_log_reserve_and_write( mtr->end_lsn = log_close(); func_exit: + buf_flush_order_mutex_enter(); + + /* It is now safe to release the log mutex because the + flush_order mutex will ensure that we are the first one + to insert into the flush list. */ + log_release(); if (mtr->modifications) { mtr_memo_note_modifications(mtr); } - - log_release(); + buf_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ @@ -318,6 +324,7 @@ mtr_memo_release( offset = dyn_array_get_data_size(memo); + buf_flush_order_mutex_enter(); while (offset > 0) { offset -= sizeof(mtr_memo_slot_t); @@ -333,6 +340,7 @@ mtr_memo_release( break; } } + buf_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ diff --git a/sync/sync0sync.c b/sync/sync0sync.c index c7b4814e01e..b9b83adba00 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1163,6 +1163,7 @@ sync_thread_add_level( case SYNC_FILE_FORMAT_TAG: case SYNC_DOUBLEWRITE: case SYNC_BUF_FLUSH_LIST: + case SYNC_BUF_FLUSH_ORDER: case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: case SYNC_SEARCH_SYS_CONF: From efde23d5b7850788c1c44dbf6f3bd63d49abff69 Mon Sep 17 00:00:00 2001 From: irana <> Date: Wed, 31 Mar 2010 21:09:09 +0000 Subject: [PATCH 203/400] branches/innodb+ rb://257 When a transaction joins we check if there are any other transactions waiting on its locks. If there aren't any waiting then no deadlock can occur. This patch however has additional changes. 1. Count leading zeros 2. Count trailing zeros There are two version of both these utility functions. One is hand coded and the other will use the GCC builtin when available. The changes to configure have yet to be made. Simplify the next record lock fetch in the deadlock check code. Pass the heap number as a parameter to the deadlock check code. Written by: Sunny --- include/ut0ut.h | 16 ++ include/ut0ut.ic | 65 ++++++ lock/lock0lock.c | 582 +++++++++++++++++++++++++++++++++++------------ 3 files changed, 516 insertions(+), 147 deletions(-) diff --git a/include/ut0ut.h b/include/ut0ut.h index dd59b3eba46..e1a21cf3409 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -217,6 +217,22 @@ store the given number of bits. @return number of bytes (octets) needed to represent b */ #define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) +/*************************************************************//** +Calculates the leading zeros in a 32 bint unsigned integer +@return number of leading zeros or ULINT_UNDEFINED if n == 0 */ +UNIV_INLINE +ulint +ut_nlz( +/*===*/ + ib_uint32_t n); /*!< in: number */ +/*************************************************************//** +Calculates the trailing zeros in a 32 bint unsigned integer +@return number of trailing zeros or ULINT_UNDEFINED if n == 0 */ +UNIV_INLINE +ulint +ut_ntz( +/*===*/ + ib_uint32_t n); /*!< in: number */ /**********************************************************//** Returns system time. We do not specify the format of the time returned: the only way to manipulate it is to use the function ut_difftime. diff --git a/include/ut0ut.ic b/include/ut0ut.ic index 6f55c7e410e..0630575c648 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -160,3 +160,68 @@ ut_2_exp( { return((ulint) 1 << n); } + +/*************************************************************//** +@return the number of 1s in a 32 bit uint. */ +UNIV_INLINE +int +ut_popcount( +/*========*/ + ib_uint32_t n) +{ + n = n - ((n >> 1) & 0x55555555); + n = (n & 0x33333333) + ((n >> 2) & 0x33333333); + n = (n + (n >> 4)) & 0x0F0F0F0F; + n = n + (n << 8); + n = n + (n << 16); + + return(n >> 24); +} + +/*************************************************************//** +Calculates the leading zeros in a 32 bint unsigned integer +@return number of leading zeros or ULINT_UNDEFINED if n == 0 */ +UNIV_INLINE +ulint +ut_nlz( +/*===*/ + ib_uint32_t n) /*!< in: number */ +{ +#ifdef HAVE_GCC_CLZ + return(__builtin_clz(n)); +#else + n |= n >> 1; + n |= n >> 2; + n |= n >> 4; + n |= n >> 8; + n |= n >>16; + + return(ut_popcount(~n)); +#endif /* HAVE_GCC_CLZ */ +} + +/*************************************************************//** +Calculates the trailing zeros in a 32 bint unsigned integer +@return number of trailing zeros or ULINT_UNDEFINED if n == 0 */ +UNIV_INLINE +ulint +ut_ntz( +/*===*/ + ib_uint32_t n) /*!< in: number */ +{ +#ifdef HAVE_GCC_CTZ + return(__builtin_ctzl(n)); +#else + ib_uint32_t y, bz, b4, b3, b2, b1, b0; + + y = n & -n; /* Isolate rightmost 1-bit. */ + bz = y ? 0 : 1; /* 1 if y = 0. */ + b4 = (y & 0x0000FFFF) ? 0 : 16; + b3 = (y & 0x00FF00FF) ? 0 : 8; + b2 = (y & 0x0F0F0F0F) ? 0 : 4; + b1 = (y & 0x33333333) ? 0 : 2; + b0 = (y & 0x55555555) ? 0 : 1; + + return(bz + b4 + b3 + b2 + b1 + b0); +#endif /* HAVE_GCC_CTZ */ +} diff --git a/lock/lock0lock.c b/lock/lock0lock.c index d5fff572aee..4d4a6c0d281 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -56,7 +56,7 @@ the kernel mutex for a moment to give also others access to it */ can be inserted to the page without need to create a lock with a bigger bitmap */ -#define LOCK_PAGE_BITMAP_MARGIN 64 +#define LOCK_PAGE_BITMAP_MARGIN 32 /* An explicit record lock affects both the record and the gap before it. An implicit x-lock does not affect the gap, it only locks the index @@ -388,6 +388,7 @@ ibool lock_deadlock_occurs( /*=================*/ lock_t* lock, /*!< in: lock the transaction is requesting */ + ulint heap_no,/*!< in: heap no if record lock */ trx_t* trx); /*!< in: transaction */ /********************************************************************//** Looks recursively for a deadlock. @@ -407,9 +408,24 @@ lock_deadlock_recursive( ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth); /*!< in: recursion depth: if this exceeds + ulint depth, /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_EXCEED_MAX_DEPTH */ + ulint heap_no); /*!< in: heap_no if record lock */ + +static const ulint N_BITS = sizeof(ib_uint32_t) * 8; + +/*********************************************************************//** +Gets the number of bits in a record lock bitmap. +@return number of bits */ +UNIV_INLINE +ulint +lock_rec_get_n_bits( +/*================*/ + const lock_t* lock) /*!< in: record lock */ +{ + return(lock->un_member.rec_lock.n_bits); +} /*********************************************************************//** Gets the nth bit of a record lock. @@ -421,10 +437,8 @@ lock_rec_get_nth_bit( const lock_t* lock, /*!< in: record lock */ ulint i) /*!< in: index of the bit */ { - ulint byte_index; - ulint bit_index; + const ib_uint32_t* p = (const ib_uint32_t*) &lock[1]; - ut_ad(lock); ut_ad(lock_get_type_low(lock) == LOCK_REC); if (i >= lock->un_member.rec_lock.n_bits) { @@ -432,10 +446,297 @@ lock_rec_get_nth_bit( return(FALSE); } - byte_index = i / 8; - bit_index = i % 8; + return(1 & (p[i / N_BITS] >> ((ulint) i % N_BITS))); +} - return(1 & ((const byte*) &lock[1])[byte_index] >> bit_index); +/**********************************************************************//** +Sets the nth bit of a record lock to TRUE. */ +UNIV_INLINE +void +lock_rec_set_nth_bit( +/*=================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ +{ + ib_uint32_t* p = (ib_uint32_t*) &lock[1]; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + p[i / N_BITS] |= (ib_uint32_t) 1 << (i % N_BITS); +} + +/**********************************************************************//** +Resets the nth bit of a record lock. */ +UNIV_INLINE +void +lock_rec_reset_nth_bit( +/*===================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit which must be set to TRUE + when this function is called */ +{ + ib_uint32_t* p = (ib_uint32_t*) &lock[1]; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + p[i / N_BITS] &= ~((ib_uint32_t) 1 << (i % N_BITS)); +} + +/*********************************************************************//** +Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock +pointer in the transaction! This function is used in lock object creation +and resetting. */ +static +void +lock_rec_bitmap_reset( +/*==================*/ + lock_t* lock) /*!< in: record lock */ +{ + ulint n_bytes; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + /* Reset to zero the bitmap which resides immediately after the lock + struct */ + + n_bytes = lock_rec_get_n_bits(lock) / 8; + + ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); + + memset(&lock[1], 0, n_bytes); +} + +/** The lock bit set iterator */ +typedef struct lock_bitset_iter_struct { + const ib_uint32_t* bgn; /*!< Begin pointer */ + const ib_uint32_t* cur; /*!< Current word */ + const ib_uint32_t* end; /*!< End pointer */ + ulint lwr; /*!< Lower limit within word */ + ulint upr; /*!< Upper limit within word */ + ulint idx; /*!< Index of word */ +} lock_bitset_iter_t; + +#define BIT_0 1 +#define BIT_1 2 +#define BIT_2 4 +#define BIT_3 8 +#define BIT_4 0x10 +#define BIT_5 0x20 +#define BIT_6 0x40 +#define BIT_7 0x80 +#define BIT_8 0x100 +#define BIT_9 0x200 +#define BIT_10 0x400 +#define BIT_11 0x800 +#define BIT_12 0x1000 +#define BIT_13 0x2000 +#define BIT_14 0x4000 +#define BIT_15 0x8000 +#define BIT_16 0x10000 +#define BIT_17 0x20000 +#define BIT_18 0x40000 +#define BIT_19 0x80000 +#define BIT_20 0x100000 +#define BIT_21 0x200000 +#define BIT_22 0x400000 +#define BIT_23 0x800000 +#define BIT_24 0x1000000 +#define BIT_25 0x2000000 +#define BIT_26 0x4000000 +#define BIT_27 0x8000000 +#define BIT_28 0x10000000 +#define BIT_29 0x20000000 +#define BIT_30 0x40000000 +#define BIT_31 0x80000000 + +/**********************************************************************//** +Get the next heap_no in the lock bit set. +@return heap_no or ULINT_UNDEFINED */ +UNIV_INLINE +void +lock_bitset_iter_init( +/*==================*/ + const lock_t* lock, /*!< in: record lock */ + lock_bitset_iter_t* iter) /*!< in/out: bit set iterator*/ +{ + iter->bgn = (const ib_uint32_t*) &lock[1]; + iter->cur = iter->bgn; + iter->end = iter->bgn + lock_rec_get_n_bits(lock) / N_BITS; + iter->lwr = ULINT_UNDEFINED; + iter->upr = ULINT_UNDEFINED; + iter->idx = 0; +} + +/**********************************************************************//** +Get the next heap_no in the lock bit set word. +@return heap_no or ULINT_UNDEFINED */ +UNIV_INLINE +ulint +lock_rec_get_next_set_bit( +/*======================*/ + lock_bitset_iter_t* iter) /*!< in: bit set iterator*/ +{ + ulint heap_no; + + /* Do it the slow way. */ + for (heap_no = ULINT_UNDEFINED; + iter->lwr < iter->upr && heap_no == ULINT_UNDEFINED; + ++iter->lwr) { + + if (1 & (*iter->cur >> iter->lwr)) { + + heap_no = iter->lwr; + } + } + + return(heap_no); +} + +/**********************************************************************//** +Get the next heap_no in the lock bit set. +@return heap_no or ULINT_UNDEFINED */ +UNIV_INLINE +ulint +lock_bitset_get_next_heapno( +/*========================*/ + lock_bitset_iter_t* iter) /*!< in: bit set iterator*/ +{ + while (iter->cur < iter->end) { + + if (*iter->cur > 0) { + ulint heap_no; + + /* First time ? */ + if (iter->lwr == ULINT_UNDEFINED) { + switch (*iter->cur) { + case BIT_0: + iter->lwr = iter->upr = 0; + break; + case BIT_1: + iter->lwr = iter->upr = 1; + break; + case BIT_2: + iter->lwr = iter->upr = 2; + break; + case BIT_3: + iter->lwr = iter->upr = 3; + break; + case BIT_4: + iter->lwr = iter->upr = 4; + break; + case BIT_5: + iter->lwr = iter->upr = 5; + break; + case BIT_6: + iter->lwr = iter->upr = 6; + break; + case BIT_7: + iter->lwr = iter->upr = 7; + break; + case BIT_8: + iter->lwr = iter->upr = 8; + break; + case BIT_9: + iter->lwr = iter->upr = 9; + break; + case BIT_10: + iter->lwr = iter->upr = 10; + break; + case BIT_11: + iter->lwr = iter->upr = 11; + break; + case BIT_12: + iter->lwr = iter->upr = 12; + break; + case BIT_13: + iter->lwr = iter->upr = 13; + break; + case BIT_14: + iter->lwr = iter->upr = 14; + break; + case BIT_15: + iter->lwr = iter->upr = 15; + break; + case BIT_16: + iter->lwr = iter->upr = 16; + break; + case BIT_17: + iter->lwr = iter->upr = 17; + break; + case BIT_18: + iter->lwr = iter->upr = 18; + break; + case BIT_19: + iter->lwr = iter->upr = 19; + break; + case BIT_20: + iter->lwr = iter->upr = 20; + break; + case BIT_21: + iter->lwr = iter->upr = 21; + break; + case BIT_22: + iter->lwr = iter->upr = 22; + break; + case BIT_23: + iter->lwr = iter->upr = 23; + break; + case BIT_24: + iter->lwr = iter->upr = 24; + break; + case BIT_25: + iter->lwr = iter->upr = 25; + break; + case BIT_26: + iter->lwr = iter->upr = 26; + break; + case BIT_27: + iter->lwr = iter->upr = 27; + break; + case BIT_28: + iter->lwr = iter->upr = 28; + break; + case BIT_29: + iter->lwr = iter->upr = 29; + break; + case BIT_30: + iter->lwr = iter->upr = 30; + break; + case BIT_31: + iter->lwr = iter->upr = 31; + break; + default: + + iter->upr = ut_nlz(*iter->cur); + iter->lwr = ut_ntz(*iter->cur); + } + + heap_no = iter->idx + iter->lwr; + ++iter->lwr; + + return(heap_no); + + } else if (iter->lwr < iter->upr) { + + heap_no = lock_rec_get_next_set_bit(iter); + + if (heap_no != ULINT_UNDEFINED) { + + return(heap_no + iter->idx); + } + } + + iter->upr = 0; + iter->lwr = ULINT_UNDEFINED; + } + + ++iter->cur; + iter->idx = (iter->cur - iter->bgn) * N_BITS; + } + + return(ULINT_UNDEFINED); } /*************************************************************************/ @@ -1016,38 +1317,22 @@ lock_has_to_wait( /*============== RECORD LOCK BASIC FUNCTIONS ============================*/ -/*********************************************************************//** -Gets the number of bits in a record lock bitmap. -@return number of bits */ +/**********************************************************************//** +Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, +if none found. +@return bit index == heap number of the record, or ULINT_UNDEFINED if +none found */ UNIV_INLINE ulint -lock_rec_get_n_bits( -/*================*/ - const lock_t* lock) /*!< in: record lock */ +lock_rec_find_set_bit_low( +/*======================*/ + const lock_t* lock) /*!< in: record lock with at least + one bit set */ { - return(lock->un_member.rec_lock.n_bits); -} + lock_bitset_iter_t iter; -/**********************************************************************//** -Sets the nth bit of a record lock to TRUE. */ -UNIV_INLINE -void -lock_rec_set_nth_bit( -/*=================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit */ -{ - ulint byte_index; - ulint bit_index; - - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - byte_index = i / 8; - bit_index = i % 8; - - ((byte*) &lock[1])[byte_index] |= 1 << bit_index; + lock_bitset_iter_init(lock, &iter); + return(lock_bitset_get_next_heapno(&iter)); } /**********************************************************************//** @@ -1059,42 +1344,10 @@ UNIV_INTERN ulint lock_rec_find_set_bit( /*==================*/ - const lock_t* lock) /*!< in: record lock with at least one bit set */ + const lock_t* lock) /*!< in: record lock with at least + one bit set */ { - ulint i; - - for (i = 0; i < lock_rec_get_n_bits(lock); i++) { - - if (lock_rec_get_nth_bit(lock, i)) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/**********************************************************************//** -Resets the nth bit of a record lock. */ -UNIV_INLINE -void -lock_rec_reset_nth_bit( -/*===================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit which must be set to TRUE - when this function is called */ -{ - ulint byte_index; - ulint bit_index; - - ut_ad(lock); - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - byte_index = i / 8; - bit_index = i % 8; - - ((byte*) &lock[1])[byte_index] &= ~(1 << bit_index); + return(lock_rec_find_set_bit_low(lock)); } /*********************************************************************//** @@ -1266,30 +1519,6 @@ lock_rec_get_first( return(lock); } -/*********************************************************************//** -Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock -pointer in the transaction! This function is used in lock object creation -and resetting. */ -static -void -lock_rec_bitmap_reset( -/*==================*/ - lock_t* lock) /*!< in: record lock */ -{ - ulint n_bytes; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - /* Reset to zero the bitmap which resides immediately after the lock - struct */ - - n_bytes = lock_rec_get_n_bits(lock) / 8; - - ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); - - memset(&lock[1], 0, n_bytes); -} - /*********************************************************************//** Copies a record lock to heap. @return copy of lock */ @@ -1628,19 +1857,19 @@ lock_number_of_rows_locked( { lock_t* lock; ulint n_records = 0; - ulint n_bits; - ulint n_bit; lock = UT_LIST_GET_FIRST(trx->trx_locks); while (lock) { if (lock_get_type_low(lock) == LOCK_REC) { - n_bits = lock_rec_get_n_bits(lock); + lock_bitset_iter_t iter; - for (n_bit = 0; n_bit < n_bits; n_bit++) { - if (lock_rec_get_nth_bit(lock, n_bit)) { - n_records++; - } + lock_bitset_iter_init(lock, &iter); + + while (lock_bitset_get_next_heapno(&iter) + != ULINT_UNDEFINED) { + + ++n_records; } } @@ -1696,7 +1925,7 @@ lock_rec_create( /* Make lock bitmap bigger by a safety margin */ n_bits = page_dir_get_n_heap(page) + LOCK_PAGE_BITMAP_MARGIN; - n_bytes = 1 + n_bits / 8; + n_bytes = sizeof(ib_uint32_t) + n_bits / 8; lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t) + n_bytes); @@ -1796,7 +2025,7 @@ lock_rec_enqueue_waiting( /* Check if a deadlock occurs: if yes, remove the lock request and return an error code */ - if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, trx))) { + if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, heap_no, trx))) { lock_reset_lock_and_trx_wait(lock); lock_rec_reset_nth_bit(lock, heap_no); @@ -2137,7 +2366,7 @@ lock_rec_has_to_wait_in_queue( space = wait_lock->un_member.rec_lock.space; page_no = wait_lock->un_member.rec_lock.page_no; - heap_no = lock_rec_find_set_bit(wait_lock); + heap_no = lock_rec_find_set_bit_low(wait_lock); lock = lock_rec_get_first_on_page_addr(space, page_no); @@ -2214,7 +2443,7 @@ lock_rec_cancel( ut_ad(lock_get_type_low(lock) == LOCK_REC); /* Reset the bit (there can be only one set bit) in the lock bitmap */ - lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit(lock)); + lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit_low(lock)); /* Reset the wait flag and the back pointer to lock in trx */ @@ -2323,7 +2552,7 @@ lock_rec_free_all_from_discard_page( lock = lock_rec_get_first_on_page_addr(space, page_no); while (lock != NULL) { - ut_ad(lock_rec_find_set_bit(lock) == ULINT_UNDEFINED); + ut_ad(lock_rec_find_set_bit_low(lock) == ULINT_UNDEFINED); ut_ad(!lock_get_wait(lock)); next_lock = lock_rec_get_next_on_page(lock); @@ -2620,7 +2849,7 @@ lock_move_reorganize_page( #ifdef UNIV_DEBUG { - ulint i = lock_rec_find_set_bit(lock); + ulint i = lock_rec_find_set_bit_low(lock); /* Check that all locks were moved. */ if (UNIV_UNLIKELY(i != ULINT_UNDEFINED)) { @@ -3261,6 +3490,7 @@ ibool lock_deadlock_occurs( /*=================*/ lock_t* lock, /*!< in: lock the transaction is requesting */ + ulint heap_no,/*!< in: heap no. if record lock */ trx_t* trx) /*!< in: transaction */ { trx_t* mark_trx; @@ -3282,7 +3512,7 @@ retry: mark_trx = UT_LIST_GET_NEXT(trx_list, mark_trx); } - ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0); + ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0, heap_no); switch (ret) { case LOCK_VICTIM_IS_OTHER: @@ -3330,6 +3560,75 @@ retry: return(TRUE); } +/********************************************************************//** +Check that no other transaction is waiting on this transaction's locks. +@return TRUE lock if no other transaction is waiting for this transaction's +locks. */ +static +ibool +lock_trx_has_no_waiters( +/*====================*/ + const trx_t* trx) /*!< in: the transaction to check */ +{ + const lock_t* lock; + + ut_ad(mutex_own(&kernel_mutex)); + + for (lock = UT_LIST_GET_FIRST(trx->trx_locks); + lock != NULL; + lock = UT_LIST_GET_NEXT(trx_locks, lock)) { + + const lock_t* wait_lock; + + /* Look for all transactions that could be waiting on this + transaction's locks. For that we need to search forward. */ + if (lock_get_type_low(lock) == LOCK_REC) { + + lock_bitset_iter_t iter; + ulint heap_no; + + lock_bitset_iter_init(lock, &iter); + + /* We need to check for all the records that + are set in this lock. */ + for (heap_no = lock_bitset_get_next_heapno(&iter); + heap_no != ULINT_UNDEFINED; + heap_no = lock_bitset_get_next_heapno(&iter)) { + + wait_lock = lock; + + do { + wait_lock = lock_rec_get_next( + heap_no, (lock_t*) wait_lock); + + if (wait_lock != NULL + && lock_has_to_wait(wait_lock, + lock)) { + + return(FALSE); + } + } while (wait_lock != NULL); + } + } else { + + wait_lock = lock; + + do { + wait_lock = UT_LIST_GET_NEXT( + un_member.tab_lock.locks, wait_lock); + + if (wait_lock != NULL + && lock_has_to_wait(wait_lock, lock) ) { + + return(FALSE); + } + } while (wait_lock != NULL); + } + } + + return(TRUE); +} + /********************************************************************//** Looks recursively for a deadlock. @return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a @@ -3348,14 +3647,14 @@ lock_deadlock_recursive( ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth) /*!< in: recursion depth: if this exceeds + ulint depth, /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_EXCEED_MAX_DEPTH */ + ulint heap_no) /*!< in: heap no. if record lock */ { ulint ret; lock_t* lock; trx_t* lock_trx; - ulint heap_no = ULINT_UNDEFINED; ut_a(trx); ut_a(start); @@ -3369,13 +3668,18 @@ lock_deadlock_recursive( return(0); } + /* If there are no other transactions waiting on the joining + transaction's locks, then there cannot be a deadlock. */ + if (lock_trx_has_no_waiters(trx)) { + return(0); + } + *cost = *cost + 1; if (lock_get_type_low(wait_lock) == LOCK_REC) { - ulint space; - ulint page_no; + ulint space; + ulint page_no; - heap_no = lock_rec_find_set_bit(wait_lock); ut_a(heap_no != ULINT_UNDEFINED); space = wait_lock->un_member.rec_lock.space; @@ -3383,22 +3687,12 @@ lock_deadlock_recursive( lock = lock_rec_get_first_on_page_addr(space, page_no); - /* Position the iterator on the first matching record lock. */ - while (lock != NULL - && lock != wait_lock - && !lock_rec_get_nth_bit(lock, heap_no)) { - - lock = lock_rec_get_next_on_page(lock); - } - - if (lock == wait_lock) { - lock = NULL; - } - - ut_ad(lock == NULL || lock_rec_get_nth_bit(lock, heap_no)); + /* Must find at least one lock. */ + ut_a(lock != NULL); } else { lock = wait_lock; + ut_a(heap_no == ULINT_UNDEFINED); } /* Look at the locks ahead of wait_lock in the lock queue */ @@ -3411,7 +3705,7 @@ lock_deadlock_recursive( un_member.tab_lock.locks, lock); } - if (lock == NULL) { + if (lock == NULL || lock == wait_lock) { /* We can mark this subtree as searched */ trx->deadlock_mark = 1; @@ -3535,7 +3829,9 @@ lock_deadlock_recursive( ret = lock_deadlock_recursive( start, lock_trx, - lock_trx->wait_lock, cost, depth + 1); + lock_trx->wait_lock, cost, depth + 1, + lock_rec_find_set_bit_low( + lock_trx->wait_lock)); if (ret != 0) { @@ -3548,15 +3844,7 @@ lock_deadlock_recursive( ut_a(lock != NULL); - do { - lock = lock_rec_get_next_on_page(lock); - } while (lock != NULL - && lock != wait_lock - && !lock_rec_get_nth_bit(lock, heap_no)); - - if (lock == wait_lock) { - lock = NULL; - } + lock = lock_rec_get_next(heap_no, lock); } }/* end of the 'for (;;)'-loop */ } @@ -3725,7 +4013,7 @@ lock_table_enqueue_waiting( /* Check if a deadlock occurs: if yes, remove the lock request and return an error code */ - if (lock_deadlock_occurs(lock, trx)) { + if (lock_deadlock_occurs(lock, ULINT_UNDEFINED, trx)) { /* The order here is important, we don't want to lose the state of the lock before calling remove. */ @@ -4259,9 +4547,10 @@ lock_rec_print( const buf_block_t* block; ulint space; ulint page_no; - ulint i; mtr_t mtr; + lock_bitset_iter_t iter; mem_heap_t* heap = NULL; + ulint heap_no; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets = offsets_; rec_offs_init(offsets_); @@ -4309,19 +4598,18 @@ lock_rec_print( block = buf_page_try_get(space, page_no, &mtr); - for (i = 0; i < lock_rec_get_n_bits(lock); ++i) { + lock_bitset_iter_init(lock, &iter); + for (heap_no = lock_bitset_get_next_heapno(&iter); + heap_no != ULINT_UNDEFINED; + heap_no = lock_bitset_get_next_heapno(&iter)) { - if (!lock_rec_get_nth_bit(lock, i)) { - continue; - } - - fprintf(file, "Record lock, heap no %lu", (ulong) i); + fprintf(file, "Record lock, heap no %lu", (ulong) heap_no); if (block) { const rec_t* rec; rec = page_find_rec_with_heap_no( - buf_block_get_frame(block), i); + buf_block_get_frame(block), heap_no); offsets = rec_get_offsets( rec, lock->index, offsets, From ecc4ec59d91a7b2a4ce751d97a8abc3adefca975 Mon Sep 17 00:00:00 2001 From: irana <> Date: Mon, 5 Apr 2010 19:31:35 +0000 Subject: [PATCH 204/400] branches/innodb+ Revert r6931 because it introduced following bugs: http://bugs.mysql.com/bug.php?id=52588 http://bugs.mysql.com/bug.php?id=52590 --- include/ut0ut.h | 16 -- include/ut0ut.ic | 65 ------ lock/lock0lock.c | 582 ++++++++++++----------------------------------- 3 files changed, 147 insertions(+), 516 deletions(-) diff --git a/include/ut0ut.h b/include/ut0ut.h index e1a21cf3409..dd59b3eba46 100644 --- a/include/ut0ut.h +++ b/include/ut0ut.h @@ -217,22 +217,6 @@ store the given number of bits. @return number of bytes (octets) needed to represent b */ #define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) -/*************************************************************//** -Calculates the leading zeros in a 32 bint unsigned integer -@return number of leading zeros or ULINT_UNDEFINED if n == 0 */ -UNIV_INLINE -ulint -ut_nlz( -/*===*/ - ib_uint32_t n); /*!< in: number */ -/*************************************************************//** -Calculates the trailing zeros in a 32 bint unsigned integer -@return number of trailing zeros or ULINT_UNDEFINED if n == 0 */ -UNIV_INLINE -ulint -ut_ntz( -/*===*/ - ib_uint32_t n); /*!< in: number */ /**********************************************************//** Returns system time. We do not specify the format of the time returned: the only way to manipulate it is to use the function ut_difftime. diff --git a/include/ut0ut.ic b/include/ut0ut.ic index 0630575c648..6f55c7e410e 100644 --- a/include/ut0ut.ic +++ b/include/ut0ut.ic @@ -160,68 +160,3 @@ ut_2_exp( { return((ulint) 1 << n); } - -/*************************************************************//** -@return the number of 1s in a 32 bit uint. */ -UNIV_INLINE -int -ut_popcount( -/*========*/ - ib_uint32_t n) -{ - n = n - ((n >> 1) & 0x55555555); - n = (n & 0x33333333) + ((n >> 2) & 0x33333333); - n = (n + (n >> 4)) & 0x0F0F0F0F; - n = n + (n << 8); - n = n + (n << 16); - - return(n >> 24); -} - -/*************************************************************//** -Calculates the leading zeros in a 32 bint unsigned integer -@return number of leading zeros or ULINT_UNDEFINED if n == 0 */ -UNIV_INLINE -ulint -ut_nlz( -/*===*/ - ib_uint32_t n) /*!< in: number */ -{ -#ifdef HAVE_GCC_CLZ - return(__builtin_clz(n)); -#else - n |= n >> 1; - n |= n >> 2; - n |= n >> 4; - n |= n >> 8; - n |= n >>16; - - return(ut_popcount(~n)); -#endif /* HAVE_GCC_CLZ */ -} - -/*************************************************************//** -Calculates the trailing zeros in a 32 bint unsigned integer -@return number of trailing zeros or ULINT_UNDEFINED if n == 0 */ -UNIV_INLINE -ulint -ut_ntz( -/*===*/ - ib_uint32_t n) /*!< in: number */ -{ -#ifdef HAVE_GCC_CTZ - return(__builtin_ctzl(n)); -#else - ib_uint32_t y, bz, b4, b3, b2, b1, b0; - - y = n & -n; /* Isolate rightmost 1-bit. */ - bz = y ? 0 : 1; /* 1 if y = 0. */ - b4 = (y & 0x0000FFFF) ? 0 : 16; - b3 = (y & 0x00FF00FF) ? 0 : 8; - b2 = (y & 0x0F0F0F0F) ? 0 : 4; - b1 = (y & 0x33333333) ? 0 : 2; - b0 = (y & 0x55555555) ? 0 : 1; - - return(bz + b4 + b3 + b2 + b1 + b0); -#endif /* HAVE_GCC_CTZ */ -} diff --git a/lock/lock0lock.c b/lock/lock0lock.c index 4d4a6c0d281..d5fff572aee 100644 --- a/lock/lock0lock.c +++ b/lock/lock0lock.c @@ -56,7 +56,7 @@ the kernel mutex for a moment to give also others access to it */ can be inserted to the page without need to create a lock with a bigger bitmap */ -#define LOCK_PAGE_BITMAP_MARGIN 32 +#define LOCK_PAGE_BITMAP_MARGIN 64 /* An explicit record lock affects both the record and the gap before it. An implicit x-lock does not affect the gap, it only locks the index @@ -388,7 +388,6 @@ ibool lock_deadlock_occurs( /*=================*/ lock_t* lock, /*!< in: lock the transaction is requesting */ - ulint heap_no,/*!< in: heap no if record lock */ trx_t* trx); /*!< in: transaction */ /********************************************************************//** Looks recursively for a deadlock. @@ -408,24 +407,9 @@ lock_deadlock_recursive( ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth, /*!< in: recursion depth: if this exceeds + ulint depth); /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_EXCEED_MAX_DEPTH */ - ulint heap_no); /*!< in: heap_no if record lock */ - -static const ulint N_BITS = sizeof(ib_uint32_t) * 8; - -/*********************************************************************//** -Gets the number of bits in a record lock bitmap. -@return number of bits */ -UNIV_INLINE -ulint -lock_rec_get_n_bits( -/*================*/ - const lock_t* lock) /*!< in: record lock */ -{ - return(lock->un_member.rec_lock.n_bits); -} /*********************************************************************//** Gets the nth bit of a record lock. @@ -437,8 +421,10 @@ lock_rec_get_nth_bit( const lock_t* lock, /*!< in: record lock */ ulint i) /*!< in: index of the bit */ { - const ib_uint32_t* p = (const ib_uint32_t*) &lock[1]; + ulint byte_index; + ulint bit_index; + ut_ad(lock); ut_ad(lock_get_type_low(lock) == LOCK_REC); if (i >= lock->un_member.rec_lock.n_bits) { @@ -446,297 +432,10 @@ lock_rec_get_nth_bit( return(FALSE); } - return(1 & (p[i / N_BITS] >> ((ulint) i % N_BITS))); -} + byte_index = i / 8; + bit_index = i % 8; -/**********************************************************************//** -Sets the nth bit of a record lock to TRUE. */ -UNIV_INLINE -void -lock_rec_set_nth_bit( -/*=================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit */ -{ - ib_uint32_t* p = (ib_uint32_t*) &lock[1]; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - p[i / N_BITS] |= (ib_uint32_t) 1 << (i % N_BITS); -} - -/**********************************************************************//** -Resets the nth bit of a record lock. */ -UNIV_INLINE -void -lock_rec_reset_nth_bit( -/*===================*/ - lock_t* lock, /*!< in: record lock */ - ulint i) /*!< in: index of the bit which must be set to TRUE - when this function is called */ -{ - ib_uint32_t* p = (ib_uint32_t*) &lock[1]; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - ut_ad(i < lock->un_member.rec_lock.n_bits); - - p[i / N_BITS] &= ~((ib_uint32_t) 1 << (i % N_BITS)); -} - -/*********************************************************************//** -Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock -pointer in the transaction! This function is used in lock object creation -and resetting. */ -static -void -lock_rec_bitmap_reset( -/*==================*/ - lock_t* lock) /*!< in: record lock */ -{ - ulint n_bytes; - - ut_ad(lock_get_type_low(lock) == LOCK_REC); - - /* Reset to zero the bitmap which resides immediately after the lock - struct */ - - n_bytes = lock_rec_get_n_bits(lock) / 8; - - ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); - - memset(&lock[1], 0, n_bytes); -} - -/** The lock bit set iterator */ -typedef struct lock_bitset_iter_struct { - const ib_uint32_t* bgn; /*!< Begin pointer */ - const ib_uint32_t* cur; /*!< Current word */ - const ib_uint32_t* end; /*!< End pointer */ - ulint lwr; /*!< Lower limit within word */ - ulint upr; /*!< Upper limit within word */ - ulint idx; /*!< Index of word */ -} lock_bitset_iter_t; - -#define BIT_0 1 -#define BIT_1 2 -#define BIT_2 4 -#define BIT_3 8 -#define BIT_4 0x10 -#define BIT_5 0x20 -#define BIT_6 0x40 -#define BIT_7 0x80 -#define BIT_8 0x100 -#define BIT_9 0x200 -#define BIT_10 0x400 -#define BIT_11 0x800 -#define BIT_12 0x1000 -#define BIT_13 0x2000 -#define BIT_14 0x4000 -#define BIT_15 0x8000 -#define BIT_16 0x10000 -#define BIT_17 0x20000 -#define BIT_18 0x40000 -#define BIT_19 0x80000 -#define BIT_20 0x100000 -#define BIT_21 0x200000 -#define BIT_22 0x400000 -#define BIT_23 0x800000 -#define BIT_24 0x1000000 -#define BIT_25 0x2000000 -#define BIT_26 0x4000000 -#define BIT_27 0x8000000 -#define BIT_28 0x10000000 -#define BIT_29 0x20000000 -#define BIT_30 0x40000000 -#define BIT_31 0x80000000 - -/**********************************************************************//** -Get the next heap_no in the lock bit set. -@return heap_no or ULINT_UNDEFINED */ -UNIV_INLINE -void -lock_bitset_iter_init( -/*==================*/ - const lock_t* lock, /*!< in: record lock */ - lock_bitset_iter_t* iter) /*!< in/out: bit set iterator*/ -{ - iter->bgn = (const ib_uint32_t*) &lock[1]; - iter->cur = iter->bgn; - iter->end = iter->bgn + lock_rec_get_n_bits(lock) / N_BITS; - iter->lwr = ULINT_UNDEFINED; - iter->upr = ULINT_UNDEFINED; - iter->idx = 0; -} - -/**********************************************************************//** -Get the next heap_no in the lock bit set word. -@return heap_no or ULINT_UNDEFINED */ -UNIV_INLINE -ulint -lock_rec_get_next_set_bit( -/*======================*/ - lock_bitset_iter_t* iter) /*!< in: bit set iterator*/ -{ - ulint heap_no; - - /* Do it the slow way. */ - for (heap_no = ULINT_UNDEFINED; - iter->lwr < iter->upr && heap_no == ULINT_UNDEFINED; - ++iter->lwr) { - - if (1 & (*iter->cur >> iter->lwr)) { - - heap_no = iter->lwr; - } - } - - return(heap_no); -} - -/**********************************************************************//** -Get the next heap_no in the lock bit set. -@return heap_no or ULINT_UNDEFINED */ -UNIV_INLINE -ulint -lock_bitset_get_next_heapno( -/*========================*/ - lock_bitset_iter_t* iter) /*!< in: bit set iterator*/ -{ - while (iter->cur < iter->end) { - - if (*iter->cur > 0) { - ulint heap_no; - - /* First time ? */ - if (iter->lwr == ULINT_UNDEFINED) { - switch (*iter->cur) { - case BIT_0: - iter->lwr = iter->upr = 0; - break; - case BIT_1: - iter->lwr = iter->upr = 1; - break; - case BIT_2: - iter->lwr = iter->upr = 2; - break; - case BIT_3: - iter->lwr = iter->upr = 3; - break; - case BIT_4: - iter->lwr = iter->upr = 4; - break; - case BIT_5: - iter->lwr = iter->upr = 5; - break; - case BIT_6: - iter->lwr = iter->upr = 6; - break; - case BIT_7: - iter->lwr = iter->upr = 7; - break; - case BIT_8: - iter->lwr = iter->upr = 8; - break; - case BIT_9: - iter->lwr = iter->upr = 9; - break; - case BIT_10: - iter->lwr = iter->upr = 10; - break; - case BIT_11: - iter->lwr = iter->upr = 11; - break; - case BIT_12: - iter->lwr = iter->upr = 12; - break; - case BIT_13: - iter->lwr = iter->upr = 13; - break; - case BIT_14: - iter->lwr = iter->upr = 14; - break; - case BIT_15: - iter->lwr = iter->upr = 15; - break; - case BIT_16: - iter->lwr = iter->upr = 16; - break; - case BIT_17: - iter->lwr = iter->upr = 17; - break; - case BIT_18: - iter->lwr = iter->upr = 18; - break; - case BIT_19: - iter->lwr = iter->upr = 19; - break; - case BIT_20: - iter->lwr = iter->upr = 20; - break; - case BIT_21: - iter->lwr = iter->upr = 21; - break; - case BIT_22: - iter->lwr = iter->upr = 22; - break; - case BIT_23: - iter->lwr = iter->upr = 23; - break; - case BIT_24: - iter->lwr = iter->upr = 24; - break; - case BIT_25: - iter->lwr = iter->upr = 25; - break; - case BIT_26: - iter->lwr = iter->upr = 26; - break; - case BIT_27: - iter->lwr = iter->upr = 27; - break; - case BIT_28: - iter->lwr = iter->upr = 28; - break; - case BIT_29: - iter->lwr = iter->upr = 29; - break; - case BIT_30: - iter->lwr = iter->upr = 30; - break; - case BIT_31: - iter->lwr = iter->upr = 31; - break; - default: - - iter->upr = ut_nlz(*iter->cur); - iter->lwr = ut_ntz(*iter->cur); - } - - heap_no = iter->idx + iter->lwr; - ++iter->lwr; - - return(heap_no); - - } else if (iter->lwr < iter->upr) { - - heap_no = lock_rec_get_next_set_bit(iter); - - if (heap_no != ULINT_UNDEFINED) { - - return(heap_no + iter->idx); - } - } - - iter->upr = 0; - iter->lwr = ULINT_UNDEFINED; - } - - ++iter->cur; - iter->idx = (iter->cur - iter->bgn) * N_BITS; - } - - return(ULINT_UNDEFINED); + return(1 & ((const byte*) &lock[1])[byte_index] >> bit_index); } /*************************************************************************/ @@ -1317,22 +1016,38 @@ lock_has_to_wait( /*============== RECORD LOCK BASIC FUNCTIONS ============================*/ -/**********************************************************************//** -Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED, -if none found. -@return bit index == heap number of the record, or ULINT_UNDEFINED if -none found */ +/*********************************************************************//** +Gets the number of bits in a record lock bitmap. +@return number of bits */ UNIV_INLINE ulint -lock_rec_find_set_bit_low( -/*======================*/ - const lock_t* lock) /*!< in: record lock with at least - one bit set */ +lock_rec_get_n_bits( +/*================*/ + const lock_t* lock) /*!< in: record lock */ { - lock_bitset_iter_t iter; + return(lock->un_member.rec_lock.n_bits); +} - lock_bitset_iter_init(lock, &iter); - return(lock_bitset_get_next_heapno(&iter)); +/**********************************************************************//** +Sets the nth bit of a record lock to TRUE. */ +UNIV_INLINE +void +lock_rec_set_nth_bit( +/*=================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit */ +{ + ulint byte_index; + ulint bit_index; + + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + byte_index = i / 8; + bit_index = i % 8; + + ((byte*) &lock[1])[byte_index] |= 1 << bit_index; } /**********************************************************************//** @@ -1344,10 +1059,42 @@ UNIV_INTERN ulint lock_rec_find_set_bit( /*==================*/ - const lock_t* lock) /*!< in: record lock with at least - one bit set */ + const lock_t* lock) /*!< in: record lock with at least one bit set */ { - return(lock_rec_find_set_bit_low(lock)); + ulint i; + + for (i = 0; i < lock_rec_get_n_bits(lock); i++) { + + if (lock_rec_get_nth_bit(lock, i)) { + + return(i); + } + } + + return(ULINT_UNDEFINED); +} + +/**********************************************************************//** +Resets the nth bit of a record lock. */ +UNIV_INLINE +void +lock_rec_reset_nth_bit( +/*===================*/ + lock_t* lock, /*!< in: record lock */ + ulint i) /*!< in: index of the bit which must be set to TRUE + when this function is called */ +{ + ulint byte_index; + ulint bit_index; + + ut_ad(lock); + ut_ad(lock_get_type_low(lock) == LOCK_REC); + ut_ad(i < lock->un_member.rec_lock.n_bits); + + byte_index = i / 8; + bit_index = i % 8; + + ((byte*) &lock[1])[byte_index] &= ~(1 << bit_index); } /*********************************************************************//** @@ -1519,6 +1266,30 @@ lock_rec_get_first( return(lock); } +/*********************************************************************//** +Resets the record lock bitmap to zero. NOTE: does not touch the wait_lock +pointer in the transaction! This function is used in lock object creation +and resetting. */ +static +void +lock_rec_bitmap_reset( +/*==================*/ + lock_t* lock) /*!< in: record lock */ +{ + ulint n_bytes; + + ut_ad(lock_get_type_low(lock) == LOCK_REC); + + /* Reset to zero the bitmap which resides immediately after the lock + struct */ + + n_bytes = lock_rec_get_n_bits(lock) / 8; + + ut_ad((lock_rec_get_n_bits(lock) % 8) == 0); + + memset(&lock[1], 0, n_bytes); +} + /*********************************************************************//** Copies a record lock to heap. @return copy of lock */ @@ -1857,19 +1628,19 @@ lock_number_of_rows_locked( { lock_t* lock; ulint n_records = 0; + ulint n_bits; + ulint n_bit; lock = UT_LIST_GET_FIRST(trx->trx_locks); while (lock) { if (lock_get_type_low(lock) == LOCK_REC) { - lock_bitset_iter_t iter; + n_bits = lock_rec_get_n_bits(lock); - lock_bitset_iter_init(lock, &iter); - - while (lock_bitset_get_next_heapno(&iter) - != ULINT_UNDEFINED) { - - ++n_records; + for (n_bit = 0; n_bit < n_bits; n_bit++) { + if (lock_rec_get_nth_bit(lock, n_bit)) { + n_records++; + } } } @@ -1925,7 +1696,7 @@ lock_rec_create( /* Make lock bitmap bigger by a safety margin */ n_bits = page_dir_get_n_heap(page) + LOCK_PAGE_BITMAP_MARGIN; - n_bytes = sizeof(ib_uint32_t) + n_bits / 8; + n_bytes = 1 + n_bits / 8; lock = mem_heap_alloc(trx->lock_heap, sizeof(lock_t) + n_bytes); @@ -2025,7 +1796,7 @@ lock_rec_enqueue_waiting( /* Check if a deadlock occurs: if yes, remove the lock request and return an error code */ - if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, heap_no, trx))) { + if (UNIV_UNLIKELY(lock_deadlock_occurs(lock, trx))) { lock_reset_lock_and_trx_wait(lock); lock_rec_reset_nth_bit(lock, heap_no); @@ -2366,7 +2137,7 @@ lock_rec_has_to_wait_in_queue( space = wait_lock->un_member.rec_lock.space; page_no = wait_lock->un_member.rec_lock.page_no; - heap_no = lock_rec_find_set_bit_low(wait_lock); + heap_no = lock_rec_find_set_bit(wait_lock); lock = lock_rec_get_first_on_page_addr(space, page_no); @@ -2443,7 +2214,7 @@ lock_rec_cancel( ut_ad(lock_get_type_low(lock) == LOCK_REC); /* Reset the bit (there can be only one set bit) in the lock bitmap */ - lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit_low(lock)); + lock_rec_reset_nth_bit(lock, lock_rec_find_set_bit(lock)); /* Reset the wait flag and the back pointer to lock in trx */ @@ -2552,7 +2323,7 @@ lock_rec_free_all_from_discard_page( lock = lock_rec_get_first_on_page_addr(space, page_no); while (lock != NULL) { - ut_ad(lock_rec_find_set_bit_low(lock) == ULINT_UNDEFINED); + ut_ad(lock_rec_find_set_bit(lock) == ULINT_UNDEFINED); ut_ad(!lock_get_wait(lock)); next_lock = lock_rec_get_next_on_page(lock); @@ -2849,7 +2620,7 @@ lock_move_reorganize_page( #ifdef UNIV_DEBUG { - ulint i = lock_rec_find_set_bit_low(lock); + ulint i = lock_rec_find_set_bit(lock); /* Check that all locks were moved. */ if (UNIV_UNLIKELY(i != ULINT_UNDEFINED)) { @@ -3490,7 +3261,6 @@ ibool lock_deadlock_occurs( /*=================*/ lock_t* lock, /*!< in: lock the transaction is requesting */ - ulint heap_no,/*!< in: heap no. if record lock */ trx_t* trx) /*!< in: transaction */ { trx_t* mark_trx; @@ -3512,7 +3282,7 @@ retry: mark_trx = UT_LIST_GET_NEXT(trx_list, mark_trx); } - ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0, heap_no); + ret = lock_deadlock_recursive(trx, trx, lock, &cost, 0); switch (ret) { case LOCK_VICTIM_IS_OTHER: @@ -3560,75 +3330,6 @@ retry: return(TRUE); } -/********************************************************************//** -Check that no other transaction is waiting on this transaction's locks. -@return TRUE lock if no other transaction is waiting for this transaction's -locks. */ -static -ibool -lock_trx_has_no_waiters( -/*====================*/ - const trx_t* trx) /*!< in: the transaction to check */ -{ - const lock_t* lock; - - ut_ad(mutex_own(&kernel_mutex)); - - for (lock = UT_LIST_GET_FIRST(trx->trx_locks); - lock != NULL; - lock = UT_LIST_GET_NEXT(trx_locks, lock)) { - - const lock_t* wait_lock; - - /* Look for all transactions that could be waiting on this - transaction's locks. For that we need to search forward. */ - if (lock_get_type_low(lock) == LOCK_REC) { - - lock_bitset_iter_t iter; - ulint heap_no; - - lock_bitset_iter_init(lock, &iter); - - /* We need to check for all the records that - are set in this lock. */ - for (heap_no = lock_bitset_get_next_heapno(&iter); - heap_no != ULINT_UNDEFINED; - heap_no = lock_bitset_get_next_heapno(&iter)) { - - wait_lock = lock; - - do { - wait_lock = lock_rec_get_next( - heap_no, (lock_t*) wait_lock); - - if (wait_lock != NULL - && lock_has_to_wait(wait_lock, - lock)) { - - return(FALSE); - } - } while (wait_lock != NULL); - } - } else { - - wait_lock = lock; - - do { - wait_lock = UT_LIST_GET_NEXT( - un_member.tab_lock.locks, wait_lock); - - if (wait_lock != NULL - && lock_has_to_wait(wait_lock, lock) ) { - - return(FALSE); - } - } while (wait_lock != NULL); - } - } - - return(TRUE); -} - /********************************************************************//** Looks recursively for a deadlock. @return 0 if no deadlock found, LOCK_VICTIM_IS_START if there was a @@ -3647,14 +3348,14 @@ lock_deadlock_recursive( ulint* cost, /*!< in/out: number of calculation steps thus far: if this exceeds LOCK_MAX_N_STEPS_... we return LOCK_EXCEED_MAX_DEPTH */ - ulint depth, /*!< in: recursion depth: if this exceeds + ulint depth) /*!< in: recursion depth: if this exceeds LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we return LOCK_EXCEED_MAX_DEPTH */ - ulint heap_no) /*!< in: heap no. if record lock */ { ulint ret; lock_t* lock; trx_t* lock_trx; + ulint heap_no = ULINT_UNDEFINED; ut_a(trx); ut_a(start); @@ -3668,18 +3369,13 @@ lock_deadlock_recursive( return(0); } - /* If there are no other transactions waiting on the joining - transaction's locks, then there cannot be a deadlock. */ - if (lock_trx_has_no_waiters(trx)) { - return(0); - } - *cost = *cost + 1; if (lock_get_type_low(wait_lock) == LOCK_REC) { - ulint space; - ulint page_no; + ulint space; + ulint page_no; + heap_no = lock_rec_find_set_bit(wait_lock); ut_a(heap_no != ULINT_UNDEFINED); space = wait_lock->un_member.rec_lock.space; @@ -3687,12 +3383,22 @@ lock_deadlock_recursive( lock = lock_rec_get_first_on_page_addr(space, page_no); - /* Must find at least one lock. */ - ut_a(lock != NULL); + /* Position the iterator on the first matching record lock. */ + while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)) { + + lock = lock_rec_get_next_on_page(lock); + } + + if (lock == wait_lock) { + lock = NULL; + } + + ut_ad(lock == NULL || lock_rec_get_nth_bit(lock, heap_no)); } else { lock = wait_lock; - ut_a(heap_no == ULINT_UNDEFINED); } /* Look at the locks ahead of wait_lock in the lock queue */ @@ -3705,7 +3411,7 @@ lock_deadlock_recursive( un_member.tab_lock.locks, lock); } - if (lock == NULL || lock == wait_lock) { + if (lock == NULL) { /* We can mark this subtree as searched */ trx->deadlock_mark = 1; @@ -3829,9 +3535,7 @@ lock_deadlock_recursive( ret = lock_deadlock_recursive( start, lock_trx, - lock_trx->wait_lock, cost, depth + 1, - lock_rec_find_set_bit_low( - lock_trx->wait_lock)); + lock_trx->wait_lock, cost, depth + 1); if (ret != 0) { @@ -3844,7 +3548,15 @@ lock_deadlock_recursive( ut_a(lock != NULL); - lock = lock_rec_get_next(heap_no, lock); + do { + lock = lock_rec_get_next_on_page(lock); + } while (lock != NULL + && lock != wait_lock + && !lock_rec_get_nth_bit(lock, heap_no)); + + if (lock == wait_lock) { + lock = NULL; + } } }/* end of the 'for (;;)'-loop */ } @@ -4013,7 +3725,7 @@ lock_table_enqueue_waiting( /* Check if a deadlock occurs: if yes, remove the lock request and return an error code */ - if (lock_deadlock_occurs(lock, ULINT_UNDEFINED, trx)) { + if (lock_deadlock_occurs(lock, trx)) { /* The order here is important, we don't want to lose the state of the lock before calling remove. */ @@ -4547,10 +4259,9 @@ lock_rec_print( const buf_block_t* block; ulint space; ulint page_no; + ulint i; mtr_t mtr; - lock_bitset_iter_t iter; mem_heap_t* heap = NULL; - ulint heap_no; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets = offsets_; rec_offs_init(offsets_); @@ -4598,18 +4309,19 @@ lock_rec_print( block = buf_page_try_get(space, page_no, &mtr); - lock_bitset_iter_init(lock, &iter); - for (heap_no = lock_bitset_get_next_heapno(&iter); - heap_no != ULINT_UNDEFINED; - heap_no = lock_bitset_get_next_heapno(&iter)) { + for (i = 0; i < lock_rec_get_n_bits(lock); ++i) { - fprintf(file, "Record lock, heap no %lu", (ulong) heap_no); + if (!lock_rec_get_nth_bit(lock, i)) { + continue; + } + + fprintf(file, "Record lock, heap no %lu", (ulong) i); if (block) { const rec_t* rec; rec = page_find_rec_with_heap_no( - buf_block_get_frame(block), heap_no); + buf_block_get_frame(block), i); offsets = rec_get_offsets( rec, lock->index, offsets, From dd5cf4b16cccbe7fca76e8063925127da1f20b90 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Tue, 6 Apr 2010 12:18:47 +0000 Subject: [PATCH 205/400] branches/innodb+: Merge revisions 6925:6949 from branches/zip: ------------------------------------------------------------------------ r6949 | mmakela | 2010-04-06 16:11:46 +0300 (Tue, 06 Apr 2010) | 7 lines branches/zip: Add debug checks to track down Issue #461. dict_table_check_for_dup_indexes(): Add the flag tmp_ok. If !tmp_ok, check that no index name starts with TEMP_INDEX_PREFIX. ha_innobase::add_index(), ha_innobase::prepare_drop_index(), ha_innobase::final_drop_index(): Call dict_table_check_for_dup_indexes(). ------------------------------------------------------------------------ --- dict/dict0dict.c | 13 ++++++++----- handler/handler0alter.cc | 14 +++++++++++--- include/dict0dict.h | 5 +++-- 3 files changed, 22 insertions(+), 10 deletions(-) diff --git a/dict/dict0dict.c b/dict/dict0dict.c index 378c0d0c73c..a58ca2e7802 100644 --- a/dict/dict0dict.c +++ b/dict/dict0dict.c @@ -4781,8 +4781,10 @@ UNIV_INTERN void dict_table_check_for_dup_indexes( /*=============================*/ - const dict_table_t* table) /*!< in: Check for dup indexes + const dict_table_t* table, /*!< in: Check for dup indexes in this table */ + ibool tmp_ok) /*!< in: TRUE=allow temporary + index names */ { /* Check for duplicates, ignoring indexes that are marked as to be dropped */ @@ -4796,9 +4798,11 @@ dict_table_check_for_dup_indexes( ut_a(UT_LIST_GET_LEN(table->indexes) > 0); index1 = UT_LIST_GET_FIRST(table->indexes); - index2 = UT_LIST_GET_NEXT(indexes, index1); - while (index1 && index2) { + do { + ut_ad(tmp_ok || *index1->name != TEMP_INDEX_PREFIX); + + index2 = UT_LIST_GET_NEXT(indexes, index1); while (index2) { @@ -4810,8 +4814,7 @@ dict_table_check_for_dup_indexes( } index1 = UT_LIST_GET_NEXT(indexes, index1); - index2 = UT_LIST_GET_NEXT(indexes, index1); - } + } while (index1); } #endif /* UNIV_DEBUG */ diff --git a/handler/handler0alter.cc b/handler/handler0alter.cc index 071253d2dae..9836fb11ebc 100644 --- a/handler/handler0alter.cc +++ b/handler/handler0alter.cc @@ -722,6 +722,8 @@ err_exit: row_mysql_lock_data_dictionary(trx); dict_locked = TRUE; + ut_d(dict_table_check_for_dup_indexes(innodb_table, FALSE)); + /* If a new primary key is defined for the table we need to drop the original table and rebuild all indexes. */ @@ -754,6 +756,8 @@ err_exit: user_thd); } + ut_d(dict_table_check_for_dup_indexes(innodb_table, + FALSE)); row_mysql_unlock_data_dictionary(trx); goto err_exit; } @@ -828,7 +832,7 @@ error_handling: row_mysql_lock_data_dictionary(trx); dict_locked = TRUE; - ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); + ut_d(dict_table_check_for_dup_indexes(prebuilt->table, TRUE)); if (!new_primary) { error = row_merge_rename_indexes(trx, indexed_table); @@ -916,6 +920,8 @@ convert_error: trx_commit_for_mysql(prebuilt->trx); } + ut_d(dict_table_check_for_dup_indexes(innodb_table, FALSE)); + if (dict_locked) { row_mysql_unlock_data_dictionary(trx); } @@ -959,6 +965,7 @@ ha_innobase::prepare_drop_index( /* Test and mark all the indexes to be dropped */ row_mysql_lock_data_dictionary(trx); + ut_d(dict_table_check_for_dup_indexes(prebuilt->table, FALSE)); /* Check that none of the indexes have previously been flagged for deletion. */ @@ -1124,6 +1131,7 @@ func_exit: } while (index); } + ut_d(dict_table_check_for_dup_indexes(prebuilt->table, FALSE)); row_mysql_unlock_data_dictionary(trx); DBUG_RETURN(err); @@ -1170,6 +1178,7 @@ ha_innobase::final_drop_index( prebuilt->table->flags, user_thd); row_mysql_lock_data_dictionary(trx); + ut_d(dict_table_check_for_dup_indexes(prebuilt->table, FALSE)); if (UNIV_UNLIKELY(err)) { @@ -1210,9 +1219,8 @@ ha_innobase::final_drop_index( valid index entry count in the translation table to zero */ share->idx_trans_tbl.index_count = 0; - ut_d(dict_table_check_for_dup_indexes(prebuilt->table)); - func_exit: + ut_d(dict_table_check_for_dup_indexes(prebuilt->table, FALSE)); trx_commit_for_mysql(trx); trx_commit_for_mysql(prebuilt->trx); row_mysql_unlock_data_dictionary(trx); diff --git a/include/dict0dict.h b/include/dict0dict.h index 12396556c2d..788616d682a 100644 --- a/include/dict0dict.h +++ b/include/dict0dict.h @@ -928,9 +928,10 @@ UNIV_INTERN void dict_table_check_for_dup_indexes( /*=============================*/ - const dict_table_t* table); /*!< in: Check for dup indexes + const dict_table_t* table, /*!< in: Check for dup indexes in this table */ - + ibool tmp_ok);/*!< in: TRUE=allow temporary + index names */ #endif /* UNIV_DEBUG */ /**********************************************************************//** Builds a node pointer out of a physical record and a page number. From 25cc5e6b20bbe794c2c2188db312807b0e283df2 Mon Sep 17 00:00:00 2001 From: jyang <> Date: Wed, 7 Apr 2010 05:00:00 +0000 Subject: [PATCH 206/400] branches/innodb+: Add support that individual mutex/rwlock can be excluded from performance schema instrumentation. Exclude buffer block mutex/rwlock from performance schema instrumentation by default. --- buf/buf0buf.c | 82 ++++++++++++++++++++++++++++++++++++++++++-- handler/ha_innodb.cc | 13 ++++--- include/sync0rw.h | 6 ++-- include/sync0rw.ic | 4 +-- include/sync0sync.h | 18 +++++++++- include/sync0sync.ic | 8 ++--- log/log0log.c | 2 ++ ut/ut0wqueue.c | 9 ++--- 8 files changed, 121 insertions(+), 21 deletions(-) diff --git a/buf/buf0buf.c b/buf/buf0buf.c index e73562bf497..c4b693e3ed2 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -287,6 +287,24 @@ UNIV_INTERN mysql_pfs_key_t flush_list_mutex_key; UNIV_INTERN mysql_pfs_key_t flush_order_mutex_key; #endif /* UNIV_PFS_MUTEX */ +#if defined UNIV_PFS_MUTEX || defined UNIV_PFS_RWLOCK +# ifndef PFS_SKIP_BUFFER_MUTEX_RWLOCK + +/* Buffer block mutexes and rwlocks can be registered +in one group rather than individually. If PFS_GROUP_BUFFER_SYNC +is defined, register buffer block mutex and rwlock +in one group after their initialization. */ +# define PFS_GROUP_BUFFER_SYNC + +/* This define caps the number of mutexes/rwlocks can +be registered with performance schema. Developers can +modify this define if necessary. Please note, this would +be effective only if PFS_GROUP_BUFFER_SYNC is defined. */ +# define PFS_MAX_BUFFER_MUTEX_LOCK_REGISTER ULINT_MAX + +# endif /* !PFS_SKIP_BUFFER_MUTEX_RWLOCK */ +#endif /* UNIV_PFS_MUTEX || UNIV_PFS_RWLOCK */ + /** A chunk of buffers. The buffer pool is allocated in chunks. */ struct buf_chunk_struct{ ulint mem_size; /*!< allocated size of the chunk */ @@ -656,6 +674,53 @@ buf_page_print( } #ifndef UNIV_HOTBACKUP + +# ifdef PFS_GROUP_BUFFER_SYNC +/********************************************************************//** +This function registers mutexes and rwlocks in buffer blocks with +performance schema. If PFS_MAX_BUFFER_MUTEX_LOCK_REGISTER is +defined to be a value less than chunk->size, then only mutexes +and rwlocks in the first PFS_MAX_BUFFER_MUTEX_LOCK_REGISTER +blocks are registered. */ +static +void +pfs_register_buffer_block( +/*======================*/ + buf_chunk_t* chunk) /*!< in/out: chunk of buffers */ +{ + ulint i; + ulint num_to_register; + buf_block_t* block; + + block = chunk->blocks; + + num_to_register = ut_min(chunk->size, + PFS_MAX_BUFFER_MUTEX_LOCK_REGISTER); + + for (i = 0; i < num_to_register; i++) { + mutex_t* mutex; + rw_lock_t* rwlock; + +# ifdef UNIV_PFS_MUTEX + mutex = &block->mutex; + ut_a(!mutex->pfs_psi); + mutex->pfs_psi = (PSI_server) + ? PSI_server->init_mutex(buffer_block_mutex_key, mutex) + : NULL; +# endif /* UNIV_PFS_MUTEX */ + +# ifdef UNIV_PFS_RWLOCK + rwlock = &block->lock; + ut_a(!rwlock->pfs_psi); + rwlock->pfs_psi = (PSI_server) + ? PSI_server->init_rwlock(buf_block_lock_key, rwlock) + : NULL; +# endif /* UNIV_PFS_RWLOCK */ + block++; + } +} +# endif /* PFS_GROUP_BUFFER_SYNC */ + /********************************************************************//** Initializes a buffer control block when the buf_pool is created. */ static @@ -695,10 +760,20 @@ buf_block_init( #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ page_zip_des_init(&block->page.zip); - mutex_create(buffer_block_mutex_key, - &block->mutex, SYNC_BUF_BLOCK); +#if defined PFS_SKIP_BUFFER_MUTEX_RWLOCK || defined PFS_GROUP_BUFFER_SYNC + /* If PFS_SKIP_BUFFER_MUTEX_RWLOCK is defined, skip registration + of buffer block mutex/rwlock with performance schema. If + PFS_GROUP_BUFFER_SYNC is defined, skip the registration + since buffer block mutex/rwlock will be registered later in + pfs_register_buffer_block() */ + mutex_create(PFS_NOT_INSTRUMENTED, &block->mutex, SYNC_BUF_BLOCK); + rw_lock_create(PFS_NOT_INSTRUMENTED, &block->lock, SYNC_LEVEL_VARYING); +#else /* PFS_SKIP_BUFFER_MUTEX_RWLOCK || PFS_GROUP_BUFFER_SYNC */ + mutex_create(buffer_block_mutex_key, &block->mutex, SYNC_BUF_BLOCK); rw_lock_create(buf_block_lock_key, &block->lock, SYNC_LEVEL_VARYING); +#endif /* PFS_SKIP_BUFFER_MUTEX_RWLOCK || PFS_GROUP_BUFFER_SYNC */ + ut_ad(rw_lock_validate(&(block->lock))); #ifdef UNIV_SYNC_DEBUG @@ -783,6 +858,9 @@ buf_chunk_init( frame += UNIV_PAGE_SIZE; } +#ifdef PFS_GROUP_BUFFER_SYNC + pfs_register_buffer_block(chunk); +#endif return(chunk); } diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 50515511da9..3944cb09767 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -229,7 +229,9 @@ is defined */ static PSI_mutex_info all_innodb_mutexes[] = { {&autoinc_mutex_key, "autoinc_mutex", 0}, {&btr_search_enabled_mutex_key, "btr_search_enabled_mutex", 0}, +# ifndef PFS_SKIP_BUFFER_MUTEX_RWLOCK {&buffer_block_mutex_key, "buffer_block_mutex", 0}, +# endif /* !PFS_SKIP_BUFFER_MUTEX_RWLOCK */ {&buf_pool_mutex_key, "buf_pool_mutex", 0}, {&buf_pool_zip_mutex_key, "buf_pool_zip_mutex", 0}, {&cache_last_read_mutex_key, "cache_last_read_mutex", 0}, @@ -238,6 +240,7 @@ static PSI_mutex_info all_innodb_mutexes[] = { {&file_format_max_mutex_key, "file_format_max_mutex", 0}, {&fil_system_mutex_key, "fil_system_mutex", 0}, {&flush_list_mutex_key, "flush_list_mutex", 0}, + {&flush_order_mutex_key, "flush_order_mutex", 0}, {&hash_table_mutex_key, "hash_table_mutex", 0}, {&ibuf_bitmap_mutex_key, "ibuf_bitmap_mutex", 0}, {&ibuf_mutex_key, "ibuf_mutex", 0}, @@ -269,8 +272,7 @@ static PSI_mutex_info all_innodb_mutexes[] = { # endif /* UNIV_SYNC_DEBUG */ {&trx_doublewrite_mutex_key, "trx_doublewrite_mutex", 0}, {&thr_local_mutex_key, "thr_local_mutex", 0}, - {&trx_undo_mutex_key, "trx_undo_mutex", 0}, - {&wq_mutex_key, "wq_mutex", 0} + {&trx_undo_mutex_key, "trx_undo_mutex", 0} }; # endif /* UNIV_PFS_MUTEX */ @@ -279,15 +281,19 @@ static PSI_mutex_info all_innodb_mutexes[] = { performance schema instrumented if "UNIV_PFS_RWLOCK" is defined */ static PSI_rwlock_info all_innodb_rwlocks[] = { +# ifdef UNIV_LOG_ARCHIVE + {&archive_lock_key, "archive_lock", 0}, +# endif /* UNIV_LOG_ARCHIVE */ {&btr_search_latch_key, "btr_search_latch", 0}, +# ifndef PFS_SKIP_BUFFER_MUTEX_RWLOCK {&buf_block_lock_key, "buf_block_lock", 0}, +# endif /* !PFS_SKIP_BUFFER_MUTEX_RWLOCK */ # ifdef UNIV_SYNC_DEBUG {&buf_block_debug_latch_key, "buf_block_debug_latch", 0}, # endif /* UNIV_SYNC_DEBUG */ {&dict_operation_lock_key, "dict_operation_lock", 0}, {&fil_space_latch_key, "fil_space_latch", 0}, {&checkpoint_lock_key, "checkpoint_lock", 0}, - {&archive_lock_key, "archive_lock", 0}, {&trx_i_s_cache_lock_key, "trx_i_s_cache_lock", 0}, {&trx_purge_latch_key, "trx_purge_latch", 0}, {&index_tree_rw_lock_key, "index_tree_rw_lock", 0} @@ -319,7 +325,6 @@ static PSI_file_info all_innodb_files[] = { # endif /* UNIV_PFS_IO */ #endif /* HAVE_PSI_INTERFACE */ - static INNOBASE_SHARE *get_share(const char *table_name); static void free_share(INNOBASE_SHARE *share); static int innobase_close_connection(handlerton *hton, THD* thd); diff --git a/include/sync0rw.h b/include/sync0rw.h index a26b3418308..6233ceef748 100644 --- a/include/sync0rw.h +++ b/include/sync0rw.h @@ -108,15 +108,17 @@ extern ib_int64_t rw_x_exit_count; #ifdef UNIV_PFS_RWLOCK /* Following are rwlock keys used to register with MySQL performance schema */ +# ifdef UNIV_LOG_ARCHIVE +extern mysql_pfs_key_t archive_lock_key; +# endif /* UNIV_LOG_ARCHIVE */ extern mysql_pfs_key_t btr_search_latch_key; extern mysql_pfs_key_t buf_block_lock_key; # ifdef UNIV_SYNC_DEBUG extern mysql_pfs_key_t buf_block_debug_latch_key; -# endif +# endif /* UNIV_SYNC_DEBUG */ extern mysql_pfs_key_t dict_operation_lock_key; extern mysql_pfs_key_t fil_space_latch_key; extern mysql_pfs_key_t checkpoint_lock_key; -extern mysql_pfs_key_t archive_lock_key; extern mysql_pfs_key_t trx_i_s_cache_lock_key; extern mysql_pfs_key_t trx_purge_latch_key; extern mysql_pfs_key_t index_tree_rw_lock_key; diff --git a/include/sync0rw.ic b/include/sync0rw.ic index 28e88319d72..73405759bce 100644 --- a/include/sync0rw.ic +++ b/include/sync0rw.ic @@ -633,7 +633,7 @@ UNIV_INLINE void pfs_rw_lock_create_func( /*====================*/ - PSI_rwlock_key key, /*!< in: key registered with + mysql_pfs_key_t key, /*!< in: key registered with performance schema */ rw_lock_t* lock, /*!< in: pointer to memory */ # ifdef UNIV_DEBUG @@ -646,7 +646,7 @@ pfs_rw_lock_create_func( ulint cline) /*!< in: file line where created */ { /* Initialize the rwlock for performance schema */ - lock->pfs_psi = PSI_server + lock->pfs_psi = (PSI_server && PFS_IS_INSTRUMENTED(key)) ? PSI_server->init_rwlock(key, lock) : NULL; diff --git a/include/sync0sync.h b/include/sync0sync.h index 280f728c8d8..69c0382d5b9 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -52,6 +52,22 @@ typedef LONG lock_word_t; /*!< On Windows, InterlockedExchange operates typedef byte lock_word_t; #endif +#if defined UNIV_PFS_MUTEX || defined UNIV_PFS_RWLOCK +/* There are mutexes/rwlocks that we want to exclude from +instrumentation even if their corresponding performance schema +define is set. And this PFS_NOT_INSTRUMENTED is used +as the key value to dentify those objects that would +be excluded from instrumentation. */ +# define PFS_NOT_INSTRUMENTED ULINT32_UNDEFINED + +# define PFS_IS_INSTRUMENTED(key) ((key) != PFS_NOT_INSTRUMENTED) + +/* By default, buffer mutexes and rwlocks will be excluded from +instrumentation due to their large number of instances. */ +# define PFS_SKIP_BUFFER_MUTEX_RWLOCK + +#endif /* UNIV_PFS_MUTEX || UNIV_PFS_RWLOCK */ + #ifdef UNIV_PFS_MUTEX /* Key defines to register InnoDB mutexes with performance schema */ extern mysql_pfs_key_t autoinc_mutex_key; @@ -65,6 +81,7 @@ extern mysql_pfs_key_t dict_sys_mutex_key; extern mysql_pfs_key_t file_format_max_mutex_key; extern mysql_pfs_key_t fil_system_mutex_key; extern mysql_pfs_key_t flush_list_mutex_key; +extern mysql_pfs_key_t flush_order_mutex_key; extern mysql_pfs_key_t hash_table_mutex_key; extern mysql_pfs_key_t ibuf_bitmap_mutex_key; extern mysql_pfs_key_t ibuf_mutex_key; @@ -96,7 +113,6 @@ extern mysql_pfs_key_t sync_thread_mutex_key; extern mysql_pfs_key_t trx_doublewrite_mutex_key; extern mysql_pfs_key_t thr_local_mutex_key; extern mysql_pfs_key_t trx_undo_mutex_key; -extern mysql_pfs_key_t wq_mutex_key; #endif /* UNIV_PFS_MUTEX */ /******************************************************************//** diff --git a/include/sync0sync.ic b/include/sync0sync.ic index 3d13725397d..fdd70ad052f 100644 --- a/include/sync0sync.ic +++ b/include/sync0sync.ic @@ -321,7 +321,7 @@ UNIV_INLINE void pfs_mutex_create_func( /*==================*/ - PSI_mutex_key key, /*!< in: Performance Schema key */ + mysql_pfs_key_t key, /*!< in: Performance Schema key */ mutex_t* mutex, /*!< in: pointer to memory */ # ifdef UNIV_DEBUG const char* cmutex_name, /*!< in: mutex name */ @@ -332,9 +332,9 @@ pfs_mutex_create_func( const char* cfile_name, /*!< in: file name where created */ ulint cline) /*!< in: file line where created */ { - mutex->pfs_psi = PSI_server - ? PSI_server->init_mutex(key, mutex) - : NULL; + mutex->pfs_psi = (PSI_server && PFS_IS_INSTRUMENTED(key)) + ? PSI_server->init_mutex(key, mutex) + : NULL; mutex_create_func(mutex, # ifdef UNIV_DEBUG diff --git a/log/log0log.c b/log/log0log.c index 55e1da5c075..04ced18bc69 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -84,7 +84,9 @@ UNIV_INTERN log_t* log_sys = NULL; #ifdef UNIV_PFS_RWLOCK UNIV_INTERN mysql_pfs_key_t checkpoint_lock_key; +# ifdef UNIV_LOG_ARCHIVE UNIV_INTERN mysql_pfs_key_t archive_lock_key; +# endif #endif /* UNIV_PFS_RWLOCK */ #ifdef UNIV_PFS_MUTEX diff --git a/ut/ut0wqueue.c b/ut/ut0wqueue.c index 45731df745e..d32086bdfc4 100644 --- a/ut/ut0wqueue.c +++ b/ut/ut0wqueue.c @@ -25,11 +25,6 @@ A work queue Created 4/26/2006 Osku Salerma ************************************************************************/ -#ifdef UNIV_PFS_MUTEX -/* Key to register wq_mutex with performance schema */ -UNIV_INTERN mysql_pfs_key_t wq_mutex_key; -#endif /* UNIV_PFS_MUTEX */ - /****************************************************************//** Create a new work queue. @return work queue */ @@ -40,7 +35,9 @@ ib_wqueue_create(void) { ib_wqueue_t* wq = mem_alloc(sizeof(ib_wqueue_t)); - mutex_create(wq_mutex_key, &wq->mutex, SYNC_WORK_QUEUE); + /* Function ib_wqueue_create() has not been used anywhere, + not necessary to instrument this mutex */ + mutex_create(PFS_NOT_INSTRUMENTED, &wq->mutex, SYNC_WORK_QUEUE); wq->items = ib_list_create(); wq->event = os_event_create(NULL); From 1c6ee3c95c51504a87d7d9ac494f82a511e1ef2c Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Wed, 7 Apr 2010 18:11:18 +0000 Subject: [PATCH 207/400] branches/innodb+: buf_flush_insert_sorted_into_flush_list(): Restore ut_ad() assertions that were removed when introducing the flush list mutex, and add comments that explain why these assertions are valid. Discussed with Inaam Rana. --- buf/buf0flu.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 1ef1e710f55..847f8dd9452 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -280,6 +280,22 @@ buf_flush_insert_sorted_into_flush_list( buf_flush_list_mutex_enter(); + /* The field in_LRU_list is protected by buf_pool_mutex, which + we are not holding. However, while a block is in the flush + list, it is dirty and cannot be discarded, not from the + page_hash or from the LRU list. At most, the uncompressed + page frame of a compressed block may be discarded or created + (copying the block->page to or from a buf_page_t that is + dynamically allocated from buf_buddy_alloc()). Because those + transitions hold block->mutex and the flush list mutex (via + buf_flush_relocate_on_flush_list()), there is no possibility + of a race condition in the assertions below. */ + ut_ad(block->page.in_LRU_list); + ut_ad(block->page.in_page_hash); + /* buf_buddy_block_register() will take a block in the + BUF_BLOCK_MEMORY state, not a file page. */ + ut_ad(!block->page.in_zip_hash); + ut_ad(!block->page.in_flush_list); ut_d(block->page.in_flush_list = TRUE); block->page.oldest_modification = lsn; From 3d4ef17d6a6c4989e86f1f5f9072696e37a9a755 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 12 Apr 2010 17:45:05 +0300 Subject: [PATCH 208/400] Move everything into a subdirectory in order to circumvent a bzr merge bug. --- CMakeLists.txt => subd/CMakeLists.txt | 0 COPYING => subd/COPYING | 0 COPYING.Google => subd/COPYING.Google | 0 COPYING.Percona => subd/COPYING.Percona | 0 COPYING.Sun_Microsystems => subd/COPYING.Sun_Microsystems | 0 ChangeLog => subd/ChangeLog | 0 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subd/CMakeLists.txt (100%) rename COPYING => subd/COPYING (100%) rename COPYING.Google => subd/COPYING.Google (100%) rename COPYING.Percona => subd/COPYING.Percona (100%) rename COPYING.Sun_Microsystems => subd/COPYING.Sun_Microsystems (100%) rename ChangeLog => subd/ChangeLog (100%) rename Doxyfile => subd/Doxyfile (100%) rename Makefile.am => subd/Makefile.am (100%) rename {btr => subd/btr}/btr0btr.c (100%) rename {btr => subd/btr}/btr0cur.c (100%) rename {btr => subd/btr}/btr0pcur.c (100%) rename {btr => subd/btr}/btr0sea.c (100%) rename {buf => subd/buf}/buf0buddy.c (100%) rename {buf => subd/buf}/buf0buf.c (100%) rename {buf => subd/buf}/buf0flu.c (100%) rename {buf => subd/buf}/buf0lru.c (100%) rename {buf => subd/buf}/buf0rea.c (100%) rename compile-innodb => subd/compile-innodb (100%) rename compile-innodb-debug => subd/compile-innodb-debug (100%) rename {data => subd/data}/data0data.c (100%) rename {data => subd/data}/data0type.c (100%) rename {dict => subd/dict}/dict0boot.c 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diff --git a/ut/ut0byte.c b/subd/ut/ut0byte.c similarity index 100% rename from ut/ut0byte.c rename to subd/ut/ut0byte.c diff --git a/ut/ut0dbg.c b/subd/ut/ut0dbg.c similarity index 100% rename from ut/ut0dbg.c rename to subd/ut/ut0dbg.c diff --git a/ut/ut0list.c b/subd/ut/ut0list.c similarity index 100% rename from ut/ut0list.c rename to subd/ut/ut0list.c diff --git a/ut/ut0mem.c b/subd/ut/ut0mem.c similarity index 100% rename from ut/ut0mem.c rename to subd/ut/ut0mem.c diff --git a/ut/ut0rbt.c b/subd/ut/ut0rbt.c similarity index 100% rename from ut/ut0rbt.c rename to subd/ut/ut0rbt.c diff --git a/ut/ut0rnd.c b/subd/ut/ut0rnd.c similarity index 100% rename from ut/ut0rnd.c rename to subd/ut/ut0rnd.c diff --git a/ut/ut0ut.c b/subd/ut/ut0ut.c similarity index 100% rename from ut/ut0ut.c rename to subd/ut/ut0ut.c diff --git a/ut/ut0vec.c b/subd/ut/ut0vec.c similarity index 100% rename from ut/ut0vec.c rename to subd/ut/ut0vec.c diff --git a/ut/ut0wqueue.c b/subd/ut/ut0wqueue.c similarity index 100% rename from ut/ut0wqueue.c rename to subd/ut/ut0wqueue.c From ff03e2ffd02b6cdb5f49eaff916232b5b827a9a7 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 13 Apr 2010 18:26:27 +0300 Subject: [PATCH 209/400] Replay c2996 on top of the new storage/innobase --- storage/innobase/handler/ha_innodb.cc | 7 ++++--- storage/innobase/handler/handler0alter.cc | 4 +++- storage/innobase/handler/i_s.cc | 5 +++-- storage/innobase/handler/mysql_addons.cc | 2 +- 4 files changed, 11 insertions(+), 7 deletions(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 3944cb09767..7da52939dd6 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -43,11 +43,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA #pragma implementation // gcc: Class implementation #endif -#include +#include // explain_filename, nz2, EXPLAIN_PARTITIONS_AS_COMMENT, + // EXPLAIN_FILENAME_MAX_EXTRA_LENGTH +#include // PROCESS_ACL #include #include #include +#include #include /** @file ha_innodb.cc */ @@ -89,7 +92,6 @@ extern "C" { #include "ha_innodb.h" #include "i_s.h" -#ifndef MYSQL_SERVER # ifndef MYSQL_PLUGIN_IMPORT # define MYSQL_PLUGIN_IMPORT /* nothing */ # endif /* MYSQL_PLUGIN_IMPORT */ @@ -99,7 +101,6 @@ extern "C" { but we need it here */ bool check_global_access(THD *thd, ulong want_access); #endif /* MYSQL_VERSION_ID < 50124 */ -#endif /* MYSQL_SERVER */ /** to protect innobase_open_files */ static mysql_mutex_t innobase_share_mutex; diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc index 9836fb11ebc..32d9b9f0586 100644 --- a/storage/innobase/handler/handler0alter.cc +++ b/storage/innobase/handler/handler0alter.cc @@ -21,8 +21,10 @@ Place, Suite 330, Boston, MA 02111-1307 USA Smart ALTER TABLE *******************************************************/ -#include +#include #include +#include // SQLCOM_CREATE_INDEX +#include extern "C" { #include "log0log.h" diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index 524fe696de2..7d8b4a8dd40 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -23,8 +23,8 @@ InnoDB INFORMATION SCHEMA tables interface to MySQL. Created July 18, 2007 Vasil Dimov *******************************************************/ -#include #include +#include // PROCESS_ACL #include #include @@ -32,7 +32,8 @@ Created July 18, 2007 Vasil Dimov #include #include #include "i_s.h" -#include +#include +#include extern "C" { #include "trx0i_s.h" diff --git a/storage/innobase/handler/mysql_addons.cc b/storage/innobase/handler/mysql_addons.cc index eae1fe9fbc2..ae6306e5db9 100644 --- a/storage/innobase/handler/mysql_addons.cc +++ b/storage/innobase/handler/mysql_addons.cc @@ -36,7 +36,7 @@ Created November 07, 2007 Vasil Dimov #define MYSQL_SERVER #endif /* MYSQL_SERVER */ -#include +#include #include "mysql_addons.h" #include "univ.i" From 4eb60be01f39c68bcf922dea3f4ecda41913d9f3 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 10:37:52 +0300 Subject: [PATCH 210/400] Replay 2661.581.1 and 3092.5.1 on top of storage/innobase. ------------------------------------------------------------ revno: 2661.581.1 revision-id: sven.sandberg@sun.com-20090714193119-4693witmsqcaf28q parent: staale.smedseng@sun.com-20090615160325-miaxz8z9rjgm78h4 committer: Sven Sandberg branch nick: 5.1-bugteam timestamp: Tue 2009-07-14 21:31:19 +0200 message: BUG#39934: Slave stops for engine that only support row-based logging ... ------------------------------------------------------------ revno: 3092.5.1 revision-id: luis.soares@sun.com-20090924145252-8vvsnbvwo9l8v4vc parent: anurag.shekhar@sun.com-20090831075609-tkpqu41hxtupdeip committer: Luis Soares branch nick: mysql-5.1-bugteam timestamp: Thu 2009-09-24 15:52:52 +0100 message: BUG#42829: binlogging enabled for all schemas regardless of binlog-db-db / binlog-ignore-db ... --- storage/innobase/handler/ha_innodb.cc | 34 ++++++++++++--------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 7da52939dd6..fb3db95f33e 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -8567,25 +8567,21 @@ ha_innobase::external_lock( /* Statement based binlogging does not work in isolation level READ UNCOMMITTED and READ COMMITTED since the necessary locks cannot be taken. In this case, we print an - informative error message and return with an error. */ - if (lock_type == F_WRLCK) - { - ulong const binlog_format= thd_binlog_format(thd); - ulong const tx_isolation = thd_tx_isolation(ha_thd()); - if (tx_isolation <= ISO_READ_COMMITTED - && binlog_format == BINLOG_FORMAT_STMT -#if MYSQL_VERSION_ID > 50140 - && thd_binlog_filter_ok(thd) -#endif /* MYSQL_VERSION_ID > 50140 */ - ) - { - char buf[256]; - my_snprintf(buf, sizeof(buf), - "Transaction level '%s' in" - " InnoDB is not safe for binlog mode '%s'", - tx_isolation_names[tx_isolation], - binlog_format_names[binlog_format]); - my_error(ER_BINLOG_LOGGING_IMPOSSIBLE, MYF(0), buf); + informative error message and return with an error. + Note: decide_logging_format would give the same error message, + except it cannot give the extra details. */ + if (lock_type == F_WRLCK + && !(table_flags() & HA_BINLOG_STMT_CAPABLE) + && thd_binlog_format(thd) == BINLOG_FORMAT_STMT + && thd_binlog_filter_ok(thd)) { + int skip = 0; + /* used by test case */ + DBUG_EXECUTE_IF("no_innodb_binlog_errors", skip = 1;); + if (!skip) { + my_error(ER_BINLOG_STMT_MODE_AND_ROW_ENGINE, MYF(0), + " InnoDB is limited to row-logging when " + "transaction isolation level is " + "READ COMMITTED or READ UNCOMMITTED."); DBUG_RETURN(HA_ERR_LOGGING_IMPOSSIBLE); } } From 23d91d656db3ef2d829736a53e9508649584312d Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 14:14:48 +0300 Subject: [PATCH 211/400] Move InnoDB tests from storage/innobase/mysql-test/ (where they were ignored) to mysql-test/ --- .../include}/innodb-index.inc | 0 .../r}/innodb-analyze.result | 0 .../r}/innodb-autoinc-44030.result | 0 mysql-test/r/innodb-autoinc.result | 190 +- .../r}/innodb-index.result | 0 .../r}/innodb-index_ucs2.result | 0 mysql-test/r/innodb-lock.result | 41 +- .../r}/innodb-timeout.result | 0 .../r}/innodb-use-sys-malloc.result | 0 .../r}/innodb-zip.result | 0 mysql-test/r/innodb.result | 21 +- mysql-test/r/innodb_bug21704.result | 12 +- .../r}/innodb_bug36169.result | 0 .../r}/innodb_bug36172.result | 0 .../r}/innodb_bug40360.result | 0 .../r}/innodb_bug41904.result | 0 mysql-test/r/innodb_bug42101-nonzero.result | 4 +- mysql-test/r/innodb_bug42101.result | 4 +- .../r}/innodb_bug44032.result | 0 mysql-test/r/innodb_bug44571.result | 7 +- .../r}/innodb_bug47621.result | 0 .../r}/innodb_bug47622.result | 0 .../r}/innodb_bug51378.result | 0 .../r}/innodb_bug51920.result | 0 .../r}/innodb_file_format.result | 0 .../r}/innodb_information_schema.result | 0 .../t}/innodb-analyze.test | 0 .../t}/innodb-autoinc-44030.test | 0 mysql-test/t/innodb-autoinc.test | 102 +- mysql-test/t/innodb-consistent-master.opt | 2 +- mysql-test/t/innodb-consistent.test | 116 +- .../t}/innodb-index.test | 0 .../t}/innodb-index_ucs2.test | 0 mysql-test/t/innodb-lock.test | 49 +- .../t}/innodb-timeout.test | 0 .../t}/innodb-use-sys-malloc-master.opt | 0 .../t}/innodb-use-sys-malloc.test | 0 .../t}/innodb-zip.test | 0 mysql-test/t/innodb.test | 29 +- .../t}/innodb_bug36169.test | 0 .../t}/innodb_bug36172.test | 0 mysql-test/t/innodb_bug38231.test | 45 +- mysql-test/t/innodb_bug39438.test | 30 +- .../t}/innodb_bug40360.test | 0 .../t}/innodb_bug41904.test | 0 mysql-test/t/innodb_bug42101-nonzero.test | 4 +- mysql-test/t/innodb_bug42101.test | 4 +- .../t}/innodb_bug44032.test | 0 mysql-test/t/innodb_bug44571.test | 17 +- .../t}/innodb_bug47621.test | 0 .../t}/innodb_bug47622.test | 0 .../t}/innodb_bug51378.test | 0 .../t}/innodb_bug51920.test | 0 .../t}/innodb_file_format.test | 0 .../t}/innodb_information_schema.test | 0 .../innobase/mysql-test/ctype_innodb_like.inc | 21 - storage/innobase/mysql-test/have_innodb.inc | 4 - .../innobase/mysql-test/innodb-autoinc.result | 1246 ------- .../innobase/mysql-test/innodb-autoinc.test | 664 ---- .../mysql-test/innodb-consistent-master.opt | 1 - .../mysql-test/innodb-consistent.result | 35 - .../mysql-test/innodb-consistent.test | 58 - .../innobase/mysql-test/innodb-lock.result | 57 - storage/innobase/mysql-test/innodb-lock.test | 102 - storage/innobase/mysql-test/innodb-master.opt | 1 - .../innobase/mysql-test/innodb-replace.result | 13 - .../innobase/mysql-test/innodb-replace.test | 22 - .../innodb-semi-consistent-master.opt | 1 - .../mysql-test/innodb-semi-consistent.result | 47 - .../mysql-test/innodb-semi-consistent.test | 68 - storage/innobase/mysql-test/innodb.result | 3318 ----------------- storage/innobase/mysql-test/innodb.test | 2582 ------------- .../mysql-test/innodb_bug21704.result | 55 - .../innobase/mysql-test/innodb_bug21704.test | 96 - .../mysql-test/innodb_bug34053.result | 1 - .../innobase/mysql-test/innodb_bug34053.test | 50 - .../mysql-test/innodb_bug34300.result | 4 - .../innobase/mysql-test/innodb_bug34300.test | 34 - .../mysql-test/innodb_bug35220.result | 1 - .../innobase/mysql-test/innodb_bug35220.test | 16 - .../mysql-test/innodb_bug38231.result | 11 - .../innobase/mysql-test/innodb_bug38231.test | 112 - .../mysql-test/innodb_bug39438-master.opt | 1 - .../mysql-test/innodb_bug39438.result | 1 - .../innobase/mysql-test/innodb_bug39438.test | 51 - .../mysql-test/innodb_bug40565.result | 9 - .../innobase/mysql-test/innodb_bug40565.test | 10 - .../innodb_bug42101-nonzero-master.opt | 1 - .../mysql-test/innodb_bug42101-nonzero.result | 26 - .../mysql-test/innodb_bug42101-nonzero.test | 21 - .../mysql-test/innodb_bug42101.result | 22 - .../innobase/mysql-test/innodb_bug42101.test | 19 - .../mysql-test/innodb_bug44369.result | 6 - .../innobase/mysql-test/innodb_bug44369.test | 17 - .../mysql-test/innodb_bug44571.result | 8 - .../innobase/mysql-test/innodb_bug44571.test | 22 - .../mysql-test/innodb_bug45357.result | 7 - .../innobase/mysql-test/innodb_bug45357.test | 10 - .../mysql-test/innodb_bug46000.result | 19 - .../innobase/mysql-test/innodb_bug46000.test | 32 - .../mysql-test/innodb_bug47777.result | 13 - .../innobase/mysql-test/innodb_bug47777.test | 24 - .../innobase/mysql-test/innodb_trx_weight.inc | 51 - .../mysql-test/innodb_trx_weight.result | 1 - .../mysql-test/innodb_trx_weight.test | 108 - 105 files changed, 454 insertions(+), 9322 deletions(-) rename {storage/innobase/mysql-test => mysql-test/include}/innodb-index.inc (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-analyze.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-autoinc-44030.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-index.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-index_ucs2.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-timeout.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-use-sys-malloc.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb-zip.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug36169.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug36172.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug40360.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug41904.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug44032.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug47621.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug47622.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug51378.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_bug51920.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_file_format.result (100%) rename {storage/innobase/mysql-test => mysql-test/r}/innodb_information_schema.result (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-analyze.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-autoinc-44030.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-index.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-index_ucs2.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-timeout.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-use-sys-malloc-master.opt (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-use-sys-malloc.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb-zip.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug36169.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug36172.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug40360.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug41904.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug44032.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug47621.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug47622.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug51378.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_bug51920.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_file_format.test (100%) rename {storage/innobase/mysql-test => mysql-test/t}/innodb_information_schema.test (100%) delete mode 100644 storage/innobase/mysql-test/ctype_innodb_like.inc delete mode 100644 storage/innobase/mysql-test/have_innodb.inc delete mode 100644 storage/innobase/mysql-test/innodb-autoinc.result delete mode 100644 storage/innobase/mysql-test/innodb-autoinc.test delete mode 100644 storage/innobase/mysql-test/innodb-consistent-master.opt delete mode 100644 storage/innobase/mysql-test/innodb-consistent.result delete mode 100644 storage/innobase/mysql-test/innodb-consistent.test delete mode 100644 storage/innobase/mysql-test/innodb-lock.result delete mode 100644 storage/innobase/mysql-test/innodb-lock.test delete mode 100644 storage/innobase/mysql-test/innodb-master.opt delete mode 100644 storage/innobase/mysql-test/innodb-replace.result delete mode 100644 storage/innobase/mysql-test/innodb-replace.test delete mode 100644 storage/innobase/mysql-test/innodb-semi-consistent-master.opt delete mode 100644 storage/innobase/mysql-test/innodb-semi-consistent.result delete mode 100644 storage/innobase/mysql-test/innodb-semi-consistent.test delete mode 100644 storage/innobase/mysql-test/innodb.result delete mode 100644 storage/innobase/mysql-test/innodb.test delete mode 100644 storage/innobase/mysql-test/innodb_bug21704.result delete mode 100644 storage/innobase/mysql-test/innodb_bug21704.test delete mode 100644 storage/innobase/mysql-test/innodb_bug34053.result delete mode 100644 storage/innobase/mysql-test/innodb_bug34053.test delete mode 100644 storage/innobase/mysql-test/innodb_bug34300.result delete mode 100644 storage/innobase/mysql-test/innodb_bug34300.test delete mode 100644 storage/innobase/mysql-test/innodb_bug35220.result delete mode 100644 storage/innobase/mysql-test/innodb_bug35220.test delete mode 100644 storage/innobase/mysql-test/innodb_bug38231.result delete mode 100644 storage/innobase/mysql-test/innodb_bug38231.test delete mode 100644 storage/innobase/mysql-test/innodb_bug39438-master.opt delete mode 100644 storage/innobase/mysql-test/innodb_bug39438.result delete mode 100644 storage/innobase/mysql-test/innodb_bug39438.test delete mode 100644 storage/innobase/mysql-test/innodb_bug40565.result delete mode 100644 storage/innobase/mysql-test/innodb_bug40565.test delete mode 100644 storage/innobase/mysql-test/innodb_bug42101-nonzero-master.opt delete mode 100644 storage/innobase/mysql-test/innodb_bug42101-nonzero.result delete mode 100644 storage/innobase/mysql-test/innodb_bug42101-nonzero.test delete mode 100644 storage/innobase/mysql-test/innodb_bug42101.result delete mode 100644 storage/innobase/mysql-test/innodb_bug42101.test delete mode 100644 storage/innobase/mysql-test/innodb_bug44369.result delete mode 100644 storage/innobase/mysql-test/innodb_bug44369.test delete mode 100644 storage/innobase/mysql-test/innodb_bug44571.result delete mode 100644 storage/innobase/mysql-test/innodb_bug44571.test delete mode 100644 storage/innobase/mysql-test/innodb_bug45357.result delete mode 100644 storage/innobase/mysql-test/innodb_bug45357.test delete mode 100644 storage/innobase/mysql-test/innodb_bug46000.result delete mode 100644 storage/innobase/mysql-test/innodb_bug46000.test delete mode 100644 storage/innobase/mysql-test/innodb_bug47777.result delete mode 100644 storage/innobase/mysql-test/innodb_bug47777.test delete mode 100644 storage/innobase/mysql-test/innodb_trx_weight.inc delete mode 100644 storage/innobase/mysql-test/innodb_trx_weight.result delete mode 100644 storage/innobase/mysql-test/innodb_trx_weight.test diff --git a/storage/innobase/mysql-test/innodb-index.inc b/mysql-test/include/innodb-index.inc similarity index 100% rename from storage/innobase/mysql-test/innodb-index.inc rename to mysql-test/include/innodb-index.inc diff --git a/storage/innobase/mysql-test/innodb-analyze.result b/mysql-test/r/innodb-analyze.result similarity index 100% rename from storage/innobase/mysql-test/innodb-analyze.result rename to mysql-test/r/innodb-analyze.result diff --git a/storage/innobase/mysql-test/innodb-autoinc-44030.result b/mysql-test/r/innodb-autoinc-44030.result similarity index 100% rename from storage/innobase/mysql-test/innodb-autoinc-44030.result rename to mysql-test/r/innodb-autoinc-44030.result diff --git a/mysql-test/r/innodb-autoinc.result b/mysql-test/r/innodb-autoinc.result index abb8f3da072..a36b3a1a865 100644 --- a/mysql-test/r/innodb-autoinc.result +++ b/mysql-test/r/innodb-autoinc.result @@ -868,35 +868,6 @@ Got one of the listed errors DROP TABLE t1; DROP TABLE t2; SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -d1 -1 -2 -SELECT * FROM t1; -d1 -1 -2 -INSERT INTO t1 VALUES(null); -Got one of the listed errors -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `d1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`d1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -d1 -1 -2 -3 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; SHOW VARIABLES LIKE "%auto_inc%"; Variable_name Value auto_increment_increment 1 @@ -1111,18 +1082,165 @@ c1 c2 3 innodb 4 NULL DROP TABLE t1; -CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on T1(c2); -SHOW CREATE TABLE T1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; Table Create Table -T1 CREATE TABLE `T1` ( +t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL AUTO_INCREMENT, `c2` int(11) DEFAULT NULL, PRIMARY KEY (`c1`), KEY `i1` (`c2`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -INSERT INTO T1 (c2) values (0); -SELECT * FROM T1; +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; c1 c2 10 0 -DROP TABLE T1; +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` double NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `C1` float NOT NULL AUTO_INCREMENT, + `C2` char(10) DEFAULT NULL, + PRIMARY KEY (`C1`) +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +c1 +-1 +1 +2 +INSERT INTO t1 SET c1 = -1; +Got one of the listed errors +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +c1 +-1 +1 +2 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +DROP TABLE t1; +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +c1 +-685113344 +2 +3 +4 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +4 +5 +6 +7 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +5 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +c1 +-685113344 +1 +2 +3 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `c1` int(11) NOT NULL AUTO_INCREMENT, + PRIMARY KEY (`c1`) +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 +DROP TABLE t1; diff --git a/storage/innobase/mysql-test/innodb-index.result b/mysql-test/r/innodb-index.result similarity index 100% rename from storage/innobase/mysql-test/innodb-index.result rename to mysql-test/r/innodb-index.result diff --git a/storage/innobase/mysql-test/innodb-index_ucs2.result b/mysql-test/r/innodb-index_ucs2.result similarity index 100% rename from storage/innobase/mysql-test/innodb-index_ucs2.result rename to mysql-test/r/innodb-index_ucs2.result diff --git a/mysql-test/r/innodb-lock.result b/mysql-test/r/innodb-lock.result index ab7e9aa7b25..4ace4065c34 100644 --- a/mysql-test/r/innodb-lock.result +++ b/mysql-test/r/innodb-lock.result @@ -25,12 +25,6 @@ id x 0 2 commit; drop table t1; -# -# Old lock method (where LOCK TABLE was ignored by InnoDB) no longer -# works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary -# deadlock" and bug #37346 "innodb does not detect deadlock between -# update and alter table". -# set @@innodb_table_locks=0; create table t1 (id integer primary key, x integer) engine=INNODB; insert into t1 values(0, 0),(1,1),(2,2); @@ -38,27 +32,26 @@ commit; SELECT * from t1 where id = 0 FOR UPDATE; id x 0 0 -# Connection 'con2'. set autocommit=0; set @@innodb_table_locks=0; -# The following statement should block because SQL-level lock -# is taken on t1 which will wait until concurrent transaction -# is commited. -# Sending: -lock table t1 write;; -# Connection 'con1'. -# Wait until LOCK TABLE is blocked on SQL-level lock. -# We should be able to do UPDATEs and SELECTs within transaction. -update t1 set x=1 where id = 0; +lock table t1 write; +update t1 set x=10 where id = 2; +SELECT * from t1 where id = 2; +id x +2 2 +UPDATE t1 set x=3 where id = 2; +commit; +SELECT * from t1; +id x +0 0 +1 1 +2 3 +commit; +unlock tables; +commit; select * from t1; id x -0 1 +0 0 1 1 -2 2 -# Unblock LOCK TABLE. -commit; -# Connection 'con2'. -# Reap LOCK TABLE. -unlock tables; -# Connection 'con1'. +2 10 drop table t1; diff --git a/storage/innobase/mysql-test/innodb-timeout.result b/mysql-test/r/innodb-timeout.result similarity index 100% rename from storage/innobase/mysql-test/innodb-timeout.result rename to mysql-test/r/innodb-timeout.result diff --git a/storage/innobase/mysql-test/innodb-use-sys-malloc.result b/mysql-test/r/innodb-use-sys-malloc.result similarity index 100% rename from storage/innobase/mysql-test/innodb-use-sys-malloc.result rename to mysql-test/r/innodb-use-sys-malloc.result diff --git a/storage/innobase/mysql-test/innodb-zip.result b/mysql-test/r/innodb-zip.result similarity index 100% rename from storage/innobase/mysql-test/innodb-zip.result rename to mysql-test/r/innodb-zip.result diff --git a/mysql-test/r/innodb.result b/mysql-test/r/innodb.result index 4f2009764fc..d7f4731436b 100644 --- a/mysql-test/r/innodb.result +++ b/mysql-test/r/innodb.result @@ -692,6 +692,9 @@ select count(*) from t1 where sca_pic is null; count(*) 2 alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); select count(*) from t1 where sca_code='PD' and sca_pic is null; count(*) 1 @@ -699,6 +702,9 @@ select count(*) from t1 where cat_code='E'; count(*) 0 alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +ERROR 42000: Incorrect index name 'sca_pic' +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); select count(*) from t1 where sca_code='PD' and sca_pic is null; count(*) 1 @@ -1738,7 +1744,7 @@ count(*) drop table t1; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; variable_value -512 +8191 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; variable_value 16384 @@ -1788,7 +1794,7 @@ Variable_name Value innodb_thread_concurrency 0 set global innodb_thread_concurrency=1001; Warnings: -Warning 1292 Truncated incorrect innodb_thread_concurrency value: '1001' +Warning 1292 Truncated incorrect thread_concurrency value: '1001' show variables like "innodb_thread_concurrency"; Variable_name Value innodb_thread_concurrency 1000 @@ -1809,7 +1815,7 @@ Variable_name Value innodb_concurrency_tickets 1000 set global innodb_concurrency_tickets=0; Warnings: -Warning 1292 Truncated incorrect innodb_concurrency_tickets value: '0' +Warning 1292 Truncated incorrect concurrency_tickets value: '0' show variables like "innodb_concurrency_tickets"; Variable_name Value innodb_concurrency_tickets 1 @@ -1833,6 +1839,7 @@ show variables like "innodb_thread_sleep_delay"; Variable_name Value innodb_thread_sleep_delay 10000 set storage_engine=INNODB; +set session old_alter_table=1; drop table if exists t1,t2,t3; --- Testing varchar --- --- Testing varchar --- @@ -1970,7 +1977,7 @@ explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ref v v 13 const # Using where; Using index alter table t1 add unique(v); -ERROR 23000: Duplicate entry 'v' for key 'v_2' +ERROR 23000: Duplicate entry '{ ' for key 'v_2' alter table t1 add key(v); select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; qq @@ -2406,6 +2413,7 @@ select * from t1 where a=20 and b is null; a b 20 NULL drop table t1; +set session old_alter_table=0; create table t1 (v varchar(65530), key(v)); Warnings: Warning 1071 Specified key was too long; max key length is 767 bytes @@ -2723,7 +2731,7 @@ create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; insert into t1 values (0x41),(0x4120),(0x4100); insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A\x00' for key 'PRIMARY' +ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' insert into t2 values (0x41),(0x4120); insert into t3 values (0x41),(0x4120),(0x4100); ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' @@ -2834,10 +2842,10 @@ t2 CREATE TABLE `t2` ( DROP TABLE t2,t1; create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; insert into t1(a) values (1),(2),(3); -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | commit; set autocommit = 0; update t1 set b = 5 where a = 2; +create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | set autocommit = 0; insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), (11),(21),(31),(41),(51),(61),(71),(81),(91),(101), @@ -2885,7 +2893,6 @@ insert into t2(a) values(8); delete from t2 where a = 3; update t4 set b = b + 1 where a = 3; commit; -commit; drop trigger t1t; drop trigger t2t; drop trigger t3t; diff --git a/mysql-test/r/innodb_bug21704.result b/mysql-test/r/innodb_bug21704.result index b8e0b15d50d..ffbfa8a337e 100644 --- a/mysql-test/r/innodb_bug21704.result +++ b/mysql-test/r/innodb_bug21704.result @@ -25,8 +25,8 @@ ALTER TABLE t1 CHANGE a c INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) # Ensure that online column rename works. ALTER TABLE t1 CHANGE b c INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Test renaming the column in the referencing table @@ -34,8 +34,8 @@ ALTER TABLE t2 CHANGE a c INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) # Ensure that online column rename works. ALTER TABLE t2 CHANGE b c INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Test with self-referential constraints @@ -45,8 +45,8 @@ ALTER TABLE t3 CHANGE b d INT; ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) # Ensure that online column rename works. ALTER TABLE t3 CHANGE c d INT; -affected rows: 0 -info: Records: 0 Duplicates: 0 Warnings: 0 +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 # Cleanup. diff --git a/storage/innobase/mysql-test/innodb_bug36169.result b/mysql-test/r/innodb_bug36169.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug36169.result rename to mysql-test/r/innodb_bug36169.result diff --git a/storage/innobase/mysql-test/innodb_bug36172.result b/mysql-test/r/innodb_bug36172.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug36172.result rename to mysql-test/r/innodb_bug36172.result diff --git a/storage/innobase/mysql-test/innodb_bug40360.result b/mysql-test/r/innodb_bug40360.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug40360.result rename to mysql-test/r/innodb_bug40360.result diff --git a/storage/innobase/mysql-test/innodb_bug41904.result b/mysql-test/r/innodb_bug41904.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug41904.result rename to mysql-test/r/innodb_bug41904.result diff --git a/mysql-test/r/innodb_bug42101-nonzero.result b/mysql-test/r/innodb_bug42101-nonzero.result index f43cb9da239..277dfffdd35 100644 --- a/mysql-test/r/innodb_bug42101-nonzero.result +++ b/mysql-test/r/innodb_bug42101-nonzero.result @@ -1,5 +1,5 @@ set global innodb_commit_concurrency=0; -ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '0' +ERROR HY000: Incorrect arguments to SET select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 @@ -16,7 +16,7 @@ select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 set global innodb_commit_concurrency=0; -ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '0' +ERROR HY000: Incorrect arguments to SET select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 diff --git a/mysql-test/r/innodb_bug42101.result b/mysql-test/r/innodb_bug42101.result index 4e3367d5a54..805097ffe9d 100644 --- a/mysql-test/r/innodb_bug42101.result +++ b/mysql-test/r/innodb_bug42101.result @@ -3,12 +3,12 @@ select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 set global innodb_commit_concurrency=1; -ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '1' +ERROR HY000: Incorrect arguments to SET select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 set global innodb_commit_concurrency=42; -ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '42' +ERROR HY000: Incorrect arguments to SET select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 diff --git a/storage/innobase/mysql-test/innodb_bug44032.result b/mysql-test/r/innodb_bug44032.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug44032.result rename to mysql-test/r/innodb_bug44032.result diff --git a/mysql-test/r/innodb_bug44571.result b/mysql-test/r/innodb_bug44571.result index 36374edcb3e..7ee7820a02d 100644 --- a/mysql-test/r/innodb_bug44571.result +++ b/mysql-test/r/innodb_bug44571.result @@ -2,8 +2,7 @@ CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; ALTER TABLE bug44571 CHANGE foo bar INT; ALTER TABLE bug44571 ADD INDEX bug44571b (foo); ERROR 42000: Key column 'foo' doesn't exist in table -ALTER TABLE bug44571 ADD INDEX bug44571b (bar); -ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it -CREATE INDEX bug44571b ON bug44571 (bar); -ERROR HY000: Incorrect key file for table 'bug44571'; try to repair it +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); DROP TABLE bug44571; diff --git a/storage/innobase/mysql-test/innodb_bug47621.result b/mysql-test/r/innodb_bug47621.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug47621.result rename to mysql-test/r/innodb_bug47621.result diff --git a/storage/innobase/mysql-test/innodb_bug47622.result b/mysql-test/r/innodb_bug47622.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug47622.result rename to mysql-test/r/innodb_bug47622.result diff --git a/storage/innobase/mysql-test/innodb_bug51378.result b/mysql-test/r/innodb_bug51378.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug51378.result rename to mysql-test/r/innodb_bug51378.result diff --git a/storage/innobase/mysql-test/innodb_bug51920.result b/mysql-test/r/innodb_bug51920.result similarity index 100% rename from storage/innobase/mysql-test/innodb_bug51920.result rename to mysql-test/r/innodb_bug51920.result diff --git a/storage/innobase/mysql-test/innodb_file_format.result b/mysql-test/r/innodb_file_format.result similarity index 100% rename from storage/innobase/mysql-test/innodb_file_format.result rename to mysql-test/r/innodb_file_format.result diff --git a/storage/innobase/mysql-test/innodb_information_schema.result b/mysql-test/r/innodb_information_schema.result similarity index 100% rename from storage/innobase/mysql-test/innodb_information_schema.result rename to mysql-test/r/innodb_information_schema.result diff --git a/storage/innobase/mysql-test/innodb-analyze.test b/mysql-test/t/innodb-analyze.test similarity index 100% rename from storage/innobase/mysql-test/innodb-analyze.test rename to mysql-test/t/innodb-analyze.test diff --git a/storage/innobase/mysql-test/innodb-autoinc-44030.test b/mysql-test/t/innodb-autoinc-44030.test similarity index 100% rename from storage/innobase/mysql-test/innodb-autoinc-44030.test rename to mysql-test/t/innodb-autoinc-44030.test diff --git a/mysql-test/t/innodb-autoinc.test b/mysql-test/t/innodb-autoinc.test index 558de6a1060..ef0359b78b0 100644 --- a/mysql-test/t/innodb-autoinc.test +++ b/mysql-test/t/innodb-autoinc.test @@ -478,28 +478,6 @@ INSERT INTO t2 SELECT c1 FROM t1; INSERT INTO t2 SELECT NULL FROM t1; DROP TABLE t1; DROP TABLE t2; -# -# 44030: Error: (1500) Couldn't read the MAX(ID) autoinc value from -# the index (PRIMARY) -# This test requires a restart of the server -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (null); -INSERT INTO t1 VALUES (null); -ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT; -SELECT * FROM t1; -# Restart the server --- source include/restart_mysqld.inc -# The MySQL and InnoDB data dictionaries should now be out of sync. -# The select should print message to the error log -SELECT * FROM t1; --- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 VALUES(null); -ALTER TABLE t1 AUTO_INCREMENT = 3; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES(null); -SELECT * FROM t1; -DROP TABLE t1; # If the user has specified negative values for an AUTOINC column then # InnoDB should ignore those values when setting the table's max value. @@ -610,9 +588,77 @@ DROP TABLE t1; # 47125: auto_increment start value is ignored if an index is created # and engine=innodb # -CREATE TABLE T1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on T1(c2); -SHOW CREATE TABLE T1; -INSERT INTO T1 (c2) values (0); -SELECT * FROM T1; -DROP TABLE T1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; +CREATE INDEX i1 on t1(c2); +SHOW CREATE TABLE t1; +INSERT INTO t1 (c2) values (0); +SELECT * FROM t1; +DROP TABLE t1; + +## +# 49032: Use the correct function to read the AUTOINC column value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; +INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); +# Restart the server +-- source include/restart_mysqld.inc +INSERT INTO t1(C2) VALUES ('innodb'); +SHOW CREATE TABLE t1; +DROP TABLE t1; + +## +# 47720: REPLACE INTO Autoincrement column with negative values +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; +INSERT INTO t1 SET c1 = 1; +SHOW CREATE TABLE t1; +INSERT INTO t1 SET c1 = 2; +INSERT INTO t1 SET c1 = -1; +SELECT * FROM t1; +-- error ER_DUP_ENTRY,1062 +INSERT INTO t1 SET c1 = -1; +SHOW CREATE TABLE t1; +REPLACE INTO t1 VALUES (-1); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; + +## +# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); +INSERT INTO t1 VALUES (4), (5), (6), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; +CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); +SELECT * FROM t1; +SHOW CREATE TABLE t1; +DROP TABLE t1; diff --git a/mysql-test/t/innodb-consistent-master.opt b/mysql-test/t/innodb-consistent-master.opt index 8cca44767da..cb48f1aaf60 100644 --- a/mysql-test/t/innodb-consistent-master.opt +++ b/mysql-test/t/innodb-consistent-master.opt @@ -1 +1 @@ ---innodb_lock_wait_timeout=2 +--loose-innodb_lock_wait_timeout=2 diff --git a/mysql-test/t/innodb-consistent.test b/mysql-test/t/innodb-consistent.test index 791600fc8a7..bf829a74ea2 100644 --- a/mysql-test/t/innodb-consistent.test +++ b/mysql-test/t/innodb-consistent.test @@ -1,58 +1,58 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do -# a consistent read of the source table. - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; - -# REPLACE INTO ... SELECT case -begin; -# this should not result in any locks on t2. -replace into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cuase a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -# INSERT INTO ... SELECT case -begin; -# this should not result in any locks on t2. -insert into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cuase a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -select * from t1; -drop table t1; -drop table t2; - -connection default; -disconnect a; -disconnect b; +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do +# a consistent read of the source table. + +connect (a,localhost,root,,); +connect (b,localhost,root,,); +connection a; +set session transaction isolation level read committed; +create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; +create table t2 like t1; +insert into t2 values (1),(2),(3),(4),(5),(6),(7); +set autocommit=0; + +# REPLACE INTO ... SELECT case +begin; +# this should not result in any locks on t2. +replace into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cause a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +# INSERT INTO ... SELECT case +begin; +# this should not result in any locks on t2. +insert into t1 select * from t2; + +connection b; +set session transaction isolation level read committed; +set autocommit=0; +# should not cause a lock wait. +delete from t2 where a=5; +commit; +delete from t2; +commit; +connection a; +commit; + +select * from t1; +drop table t1; +drop table t2; + +connection default; +disconnect a; +disconnect b; diff --git a/storage/innobase/mysql-test/innodb-index.test b/mysql-test/t/innodb-index.test similarity index 100% rename from storage/innobase/mysql-test/innodb-index.test rename to mysql-test/t/innodb-index.test diff --git a/storage/innobase/mysql-test/innodb-index_ucs2.test b/mysql-test/t/innodb-index_ucs2.test similarity index 100% rename from storage/innobase/mysql-test/innodb-index_ucs2.test rename to mysql-test/t/innodb-index_ucs2.test diff --git a/mysql-test/t/innodb-lock.test b/mysql-test/t/innodb-lock.test index d2f630ccaba..eacf7e562be 100644 --- a/mysql-test/t/innodb-lock.test +++ b/mysql-test/t/innodb-lock.test @@ -56,12 +56,9 @@ commit; drop table t1; ---echo # ---echo # Old lock method (where LOCK TABLE was ignored by InnoDB) no longer ---echo # works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary ---echo # deadlock" and bug #37346 "innodb does not detect deadlock between ---echo # update and alter table". ---echo # +# +# Try with old lock method (where LOCK TABLE is ignored by InnoDB) +# set @@innodb_table_locks=0; @@ -70,38 +67,36 @@ insert into t1 values(0, 0),(1,1),(2,2); commit; SELECT * from t1 where id = 0 FOR UPDATE; ---echo # Connection 'con2'. connection con2; set autocommit=0; set @@innodb_table_locks=0; ---echo # The following statement should block because SQL-level lock ---echo # is taken on t1 which will wait until concurrent transaction ---echo # is commited. ---echo # Sending: ---send lock table t1 write; +# The following statement should work becase innodb doesn't check table locks +lock table t1 write; ---echo # Connection 'con1'. connection con1; ---echo # Wait until LOCK TABLE is blocked on SQL-level lock. -let $wait_condition= - select count(*) = 1 from information_schema.processlist - where state = "Waiting for table" and info = "lock table t1 write"; ---source include/wait_condition.inc ---echo # We should be able to do UPDATEs and SELECTs within transaction. -update t1 set x=1 where id = 0; -select * from t1; ---echo # Unblock LOCK TABLE. -commit; ---echo # Connection 'con2'. +# This will be locked by MySQL +--send +update t1 set x=10 where id = 2; +--sleep 2 + connection con2; ---echo # Reap LOCK TABLE. ---reap + +# Note that we will get a deadlock if we try to select any rows marked +# for update by con1 ! + +SELECT * from t1 where id = 2; +UPDATE t1 set x=3 where id = 2; +commit; +SELECT * from t1; +commit; unlock tables; ---echo # Connection 'con1'. connection con1; +reap; +commit; +select * from t1; drop table t1; # End of 4.1 tests diff --git a/storage/innobase/mysql-test/innodb-timeout.test b/mysql-test/t/innodb-timeout.test similarity index 100% rename from storage/innobase/mysql-test/innodb-timeout.test rename to mysql-test/t/innodb-timeout.test diff --git a/storage/innobase/mysql-test/innodb-use-sys-malloc-master.opt b/mysql-test/t/innodb-use-sys-malloc-master.opt similarity index 100% rename from storage/innobase/mysql-test/innodb-use-sys-malloc-master.opt rename to mysql-test/t/innodb-use-sys-malloc-master.opt diff --git a/storage/innobase/mysql-test/innodb-use-sys-malloc.test b/mysql-test/t/innodb-use-sys-malloc.test similarity index 100% rename from storage/innobase/mysql-test/innodb-use-sys-malloc.test rename to mysql-test/t/innodb-use-sys-malloc.test diff --git a/storage/innobase/mysql-test/innodb-zip.test b/mysql-test/t/innodb-zip.test similarity index 100% rename from storage/innobase/mysql-test/innodb-zip.test rename to mysql-test/t/innodb-zip.test diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test index c4380ff8f43..9f9766acd82 100644 --- a/mysql-test/t/innodb.test +++ b/mysql-test/t/innodb.test @@ -15,6 +15,8 @@ -- source include/have_innodb.inc +let $MYSQLD_DATADIR= `select @@datadir`; + # Save the original values of some variables in order to be able to # estimate how much they have changed during the tests. Previously this # test assumed that e.g. rows_deleted is 0 here and after deleting 23 @@ -425,11 +427,19 @@ INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca select count(*) from t1 where sca_code = 'PD'; select count(*) from t1 where sca_code <= 'PD'; select count(*) from t1 where sca_pic is null; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +alter table t1 drop index sca_pic; +alter table t1 add index sca_pic (cat_code, sca_pic); select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where cat_code='E'; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +alter table t1 drop index sca_pic; +alter table t1 add index (sca_pic, cat_code); select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where sca_pic >= 'n'; select sca_pic from t1 where sca_pic is null; @@ -1317,7 +1327,7 @@ drop table t1; # Test for testable InnoDB status variables. This test # uses previous ones(pages_created, rows_deleted, ...). ---replace_result 511 512 +--replace_result 8192 8191 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; @@ -1375,7 +1385,10 @@ show variables like "innodb_thread_sleep_delay"; let $default=`select @@storage_engine`; set storage_engine=INNODB; +# this should be fixed by MySQL (see Bug #51451) +set session old_alter_table=1; source include/varchar.inc; +set session old_alter_table=0; # # Some errors/warnings on create @@ -1700,7 +1713,7 @@ set foreign_key_checks=0; create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; # Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' +--replace_result $MYSQLD_DATADIR ./ master-data/ '' -- error 1025 rename table t3 to t1; set foreign_key_checks=1; @@ -1854,15 +1867,16 @@ connect (b,localhost,root,,); connection a; create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; insert into t1(a) values (1),(2),(3); -delimiter |; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -delimiter ;| commit; connection b; set autocommit = 0; update t1 set b = 5 where a = 2; connection a; +delimiter |; +create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | +delimiter ;| set autocommit = 0; +connection a; insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), (11),(21),(31),(41),(51),(61),(71),(81),(91),(101), (12),(22),(32),(42),(52),(62),(72),(82),(92),(102), @@ -1926,9 +1940,6 @@ insert into t2(a) values(8); delete from t2 where a = 3; update t4 set b = b + 1 where a = 3; commit; -connection a; -commit; -connection b; drop trigger t1t; drop trigger t2t; drop trigger t3t; @@ -2342,7 +2353,7 @@ ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; # mysqltest first does replace_regex, then replace_result --replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ # Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' +--replace_result $MYSQLD_DATADIR ./ master-data/ '' --error 1025 ALTER TABLE t2 MODIFY a INT NOT NULL; DELETE FROM t1; diff --git a/storage/innobase/mysql-test/innodb_bug36169.test b/mysql-test/t/innodb_bug36169.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug36169.test rename to mysql-test/t/innodb_bug36169.test diff --git a/storage/innobase/mysql-test/innodb_bug36172.test b/mysql-test/t/innodb_bug36172.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug36172.test rename to mysql-test/t/innodb_bug36172.test diff --git a/mysql-test/t/innodb_bug38231.test b/mysql-test/t/innodb_bug38231.test index b3fcd89f371..1611cb56203 100644 --- a/mysql-test/t/innodb_bug38231.test +++ b/mysql-test/t/innodb_bug38231.test @@ -16,6 +16,7 @@ CREATE TABLE bug38231 (a INT); -- connect (con1,localhost,root,,) -- connect (con2,localhost,root,,) +-- connect (con3,localhost,root,,) -- connection con1 SET autocommit=0; @@ -26,15 +27,45 @@ SET autocommit=0; -- send LOCK TABLE bug38231 WRITE; +# When con1 does UNLOCK below this will release either con2 or con3 which are +# both waiting on LOCK. At the end we must first --reap and UNLOCK the +# connection that has been released, otherwise it will wait forever. We assume +# that the released connection will be the first one that has gained the LOCK, +# thus we force the order here - con2 does LOCK first, then con3. In other +# words we wait for LOCK from con2 above to be exected before doing LOCK in +# con3. +-- connection con1 +let $wait_condition = + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE info = 'LOCK TABLE bug38231 WRITE'; +-- source include/wait_condition.inc +# the above enables query log, re-disable it +-- disable_query_log + +-- connection con3 +SET autocommit=0; +-- send +LOCK TABLE bug38231 WRITE; + -- connection default -- send TRUNCATE TABLE bug38231; -- connection con1 -# give time to TRUNCATE and others to be executed; without sleep, sometimes -# UNLOCK executes before TRUNCATE -# TODO: Replace with wait_condition once possible under embedded server. --- sleep 0.2 +# Wait for TRUNCATE and the other two LOCKs to be executed; without this, +# sometimes UNLOCK executes before them. We assume there are no other +# sessions executing at the same time with the same SQL commands. +let $wait_condition = + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE info = 'TRUNCATE TABLE bug38231'; +-- source include/wait_condition.inc +let $wait_condition = + SELECT COUNT(*) = 2 FROM information_schema.processlist + WHERE info = 'LOCK TABLE bug38231 WRITE'; +-- source include/wait_condition.inc +# the above enables query log, re-disable it +-- disable_query_log + # this crashes the server if the bug is present UNLOCK TABLES; @@ -44,10 +75,16 @@ UNLOCK TABLES; -- reap UNLOCK TABLES; +-- connection con3 +-- reap +UNLOCK TABLES; + -- connection default -- reap + -- disconnect con1 -- disconnect con2 +-- disconnect con3 # test that TRUNCATE works with with row-level locks diff --git a/mysql-test/t/innodb_bug39438.test b/mysql-test/t/innodb_bug39438.test index 2a51e5fcbb8..52302871beb 100644 --- a/mysql-test/t/innodb_bug39438.test +++ b/mysql-test/t/innodb_bug39438.test @@ -9,10 +9,6 @@ -- source include/have_innodb.inc ---disable_query_log -call mtr.add_suppression("InnoDB: Error: table 'test/bug39438'"); ---enable_query_log - SET storage_engine=InnoDB; # we care only that the following SQL commands do not crash the server @@ -23,7 +19,31 @@ DROP TABLE IF EXISTS bug39438; CREATE TABLE bug39438 (id INT) ENGINE=INNODB; -ALTER TABLE bug39438 DISCARD TABLESPACE; +# remove: XXX Uncomment the following ALTER and remove those lines after +# remove: applying the patch. +# remove: Obviously this test is useless without this ALTER command, +# remove: but it causes warnings to be printed by mysqld and the whole +# remove: mysql-test suite fails at the end (returns non-zero). Please +# remove: apply this patch to the mysql source tree, remove those lines +# remove: and uncomment the following ALTER. We do not care about the +# remove: warnings, this test is to ensure mysqld does not crash. +# remove: === modified file 'mysql-test/lib/mtr_report.pl' +# remove: --- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000 +# remove: +++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000 +# remove: @@ -412,7 +412,10 @@ +# remove: +# remove: # When trying to set lower_case_table_names = 2 +# remove: # on a case sensitive file system. Bug#37402. +# remove: - /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ +# remove: + /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or +# remove: + +# remove: + # this test is expected to print warnings +# remove: + ($testname eq 'main.innodb_bug39438') +# remove: ) +# remove: { +# remove: next; # Skip these lines +# remove: +#ALTER TABLE bug39438 DISCARD TABLESPACE; # this crashes the server if the bug is present SHOW TABLE STATUS; diff --git a/storage/innobase/mysql-test/innodb_bug40360.test b/mysql-test/t/innodb_bug40360.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug40360.test rename to mysql-test/t/innodb_bug40360.test diff --git a/storage/innobase/mysql-test/innodb_bug41904.test b/mysql-test/t/innodb_bug41904.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug41904.test rename to mysql-test/t/innodb_bug41904.test diff --git a/mysql-test/t/innodb_bug42101-nonzero.test b/mysql-test/t/innodb_bug42101-nonzero.test index 2e4cf1f46dd..685fdf20489 100644 --- a/mysql-test/t/innodb_bug42101-nonzero.test +++ b/mysql-test/t/innodb_bug42101-nonzero.test @@ -5,7 +5,7 @@ -- source include/have_innodb.inc ---error ER_WRONG_VALUE_FOR_VAR +--error ER_WRONG_ARGUMENTS set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=1; @@ -14,7 +14,7 @@ set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=DEFAULT; select @@innodb_commit_concurrency; ---error ER_WRONG_VALUE_FOR_VAR +--error ER_WRONG_ARGUMENTS set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=1; diff --git a/mysql-test/t/innodb_bug42101.test b/mysql-test/t/innodb_bug42101.test index f0b88e034a0..b6536490d48 100644 --- a/mysql-test/t/innodb_bug42101.test +++ b/mysql-test/t/innodb_bug42101.test @@ -7,10 +7,10 @@ set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; ---error ER_WRONG_VALUE_FOR_VAR +--error ER_WRONG_ARGUMENTS set global innodb_commit_concurrency=1; select @@innodb_commit_concurrency; ---error ER_WRONG_VALUE_FOR_VAR +--error ER_WRONG_ARGUMENTS set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=0; diff --git a/storage/innobase/mysql-test/innodb_bug44032.test b/mysql-test/t/innodb_bug44032.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug44032.test rename to mysql-test/t/innodb_bug44032.test diff --git a/mysql-test/t/innodb_bug44571.test b/mysql-test/t/innodb_bug44571.test index 685463ceff9..91b6722d8af 100644 --- a/mysql-test/t/innodb_bug44571.test +++ b/mysql-test/t/innodb_bug44571.test @@ -1,17 +1,22 @@ # # Bug#44571 InnoDB Plugin crashes on ADD INDEX # http://bugs.mysql.com/44571 +# Please also refer to related fix in +# http://bugs.mysql.com/47621 # -- source include/have_innodb.inc CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; ALTER TABLE bug44571 CHANGE foo bar INT; +# Create index with the old column name will fail, +# because the CHANGE foo bar is successful. And +# the column name change would communicate to +# InnoDB with the fix from bug #47621 -- error ER_KEY_COLUMN_DOES_NOT_EXITS ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -# The following will fail, because the CHANGE foo bar was -# not communicated to InnoDB. ---error ER_NOT_KEYFILE -ALTER TABLE bug44571 ADD INDEX bug44571b (bar); ---error ER_NOT_KEYFILE -CREATE INDEX bug44571b ON bug44571 (bar); +# The following create indexes should succeed, +# indirectly confirm the CHANGE foo bar is successful. +ALTER TABLE bug44571 ADD INDEX bug44571c (bar); +DROP INDEX bug44571c ON bug44571; +CREATE INDEX bug44571c ON bug44571 (bar); DROP TABLE bug44571; diff --git a/storage/innobase/mysql-test/innodb_bug47621.test b/mysql-test/t/innodb_bug47621.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug47621.test rename to mysql-test/t/innodb_bug47621.test diff --git a/storage/innobase/mysql-test/innodb_bug47622.test b/mysql-test/t/innodb_bug47622.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug47622.test rename to mysql-test/t/innodb_bug47622.test diff --git a/storage/innobase/mysql-test/innodb_bug51378.test b/mysql-test/t/innodb_bug51378.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug51378.test rename to mysql-test/t/innodb_bug51378.test diff --git a/storage/innobase/mysql-test/innodb_bug51920.test b/mysql-test/t/innodb_bug51920.test similarity index 100% rename from storage/innobase/mysql-test/innodb_bug51920.test rename to mysql-test/t/innodb_bug51920.test diff --git a/storage/innobase/mysql-test/innodb_file_format.test b/mysql-test/t/innodb_file_format.test similarity index 100% rename from storage/innobase/mysql-test/innodb_file_format.test rename to mysql-test/t/innodb_file_format.test diff --git a/storage/innobase/mysql-test/innodb_information_schema.test b/mysql-test/t/innodb_information_schema.test similarity index 100% rename from storage/innobase/mysql-test/innodb_information_schema.test rename to mysql-test/t/innodb_information_schema.test diff --git a/storage/innobase/mysql-test/ctype_innodb_like.inc b/storage/innobase/mysql-test/ctype_innodb_like.inc deleted file mode 100644 index ae43342885a..00000000000 --- a/storage/innobase/mysql-test/ctype_innodb_like.inc +++ /dev/null @@ -1,21 +0,0 @@ -# -# Bug#11650: LIKE pattern matching using prefix index -# doesn't return correct result -# ---disable_warnings -# -# This query creates a column using -# character_set_connection and -# collation_connection. -# -create table t1 engine=innodb select repeat('a',50) as c1; ---enable_warnings -alter table t1 add index(c1(5)); - -insert into t1 values ('abcdefg'),('abcde100'),('abcde110'),('abcde111'); -select collation(c1) from t1 limit 1; -select c1 from t1 where c1 like 'abcdef%' order by c1; -select c1 from t1 where c1 like 'abcde1%' order by c1; -select c1 from t1 where c1 like 'abcde11%' order by c1; -select c1 from t1 where c1 like 'abcde111%' order by c1; -drop table t1; diff --git a/storage/innobase/mysql-test/have_innodb.inc b/storage/innobase/mysql-test/have_innodb.inc deleted file mode 100644 index 8944cc46f3e..00000000000 --- a/storage/innobase/mysql-test/have_innodb.inc +++ /dev/null @@ -1,4 +0,0 @@ -disable_query_log; ---require r/true.require -select (support = 'YES' or support = 'DEFAULT' or support = 'ENABLED') as `TRUE` from information_schema.engines where engine = 'innodb'; -enable_query_log; diff --git a/storage/innobase/mysql-test/innodb-autoinc.result b/storage/innobase/mysql-test/innodb-autoinc.result deleted file mode 100644 index a36b3a1a865..00000000000 --- a/storage/innobase/mysql-test/innodb-autoinc.result +++ /dev/null @@ -1,1246 +0,0 @@ -drop table if exists t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -9223372036854775807 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (127, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -127 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (255, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -255 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (32767, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -32767 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (65535, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -65535 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (8388607, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -8388607 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (16777215, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -16777215 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (2147483647, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -2147483647 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4294967295, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -4294967295 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -9223372036854775807 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (18446744073709551615, null); -INSERT INTO t1 (c2) VALUES ('innodb'); -Got one of the listed errors -SELECT * FROM t1; -c1 c2 -18446744073709551615 NULL -DROP TABLE t1; -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -TRUNCATE TABLE t1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -4 -5 -6 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DELETE FROM t1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -c1 -1 -2 -3 -7 -8 -9 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1); -INSERT INTO t1 VALUES (NULL,8); -SELECT * FROM t1; -c1 c2 -2 1 -3 8 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1), (NULL, 8); -INSERT INTO t1 VALUES (NULL,9); -SELECT * FROM t1; -c1 c2 -2 1 -3 8 -5 9 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(5),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 -5 -10 -110 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -c1 -5 -10 -110 -250 -310 -400 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(0); -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 --1 -1 -2 -10 -110 -250 -410 -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -Got one of the listed errors -SELECT * FROM t1; -c1 --1 -1 -2 -10 -110 -250 -410 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -c1 --1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 --2 --1 -1 -2 -10 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -c1 --2 --1 -1 -2 -10 -250 -310 -400 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (250); -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -310 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -310 -400 -1000 -1010 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -SELECT * FROM t1; -c1 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 100 -auto_increment_offset 10 -INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -410 -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -Got one of the listed errors -SELECT * FROM t1; -c1 -1 -2 -10 -110 -210 -250 -410 -1000 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (9223372036854775794); -SELECT * FROM t1; -c1 -1 -9223372036854775794 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 2 -auto_increment_offset 10 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -c1 -1 -9223372036854775794 -9223372036854775796 -9223372036854775798 -9223372036854775800 -9223372036854775802 -9223372036854775804 -9223372036854775806 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 2 -auto_increment_offset 10 -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -18446744073709551604 -18446744073709551606 -18446744073709551608 -18446744073709551610 -18446744073709551612 -18446744073709551614 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 5 -auto_increment_offset 7 -INSERT INTO t1 VALUES (NULL),(NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551603 -18446744073709551607 -18446744073709551612 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(-9223372036854775806); -INSERT INTO t1 VALUES(-9223372036854775807); -INSERT INTO t1 VALUES(-9223372036854775808); -SELECT * FROM t1; -c1 --9223372036854775808 --9223372036854775807 --9223372036854775806 -1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 3 -auto_increment_offset 3 -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -SELECT * FROM t1; -c1 --9223372036854775808 --9223372036854775807 --9223372036854775806 -1 -3 -6 -9 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551610); -SELECT * FROM t1; -c1 -1 -18446744073709551610 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; -Warnings: -Warning 1292 Truncated incorrect auto_increment_increment value: '1152921504606846976' -Warning 1292 Truncated incorrect auto_increment_offset value: '1152921504606846976' -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 65535 -auto_increment_offset 65535 -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -c1 -1 -18446744073709551610 -18446744073709551615 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -3 3 -4 4 -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -c1 c2 -1 1 -2 2 -3 3 -4 4 -DROP TABLE t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -DROP TABLE IF EXISTS t2; -Warnings: -Note 1051 Unknown table 't2' -CREATE TABLE t1 ( -a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, -b INT(10) UNSIGNED NOT NULL, -c ENUM('FALSE','TRUE') DEFAULT NULL, -PRIMARY KEY (a)) ENGINE = InnoDB; -CREATE TABLE t2 ( -m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, -n INT(10) UNSIGNED NOT NULL, -o enum('FALSE','TRUE') DEFAULT NULL, -PRIMARY KEY (m)) ENGINE = InnoDB; -INSERT INTO t2 (n,o) VALUES -(1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), -(3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `m` int(11) unsigned NOT NULL AUTO_INCREMENT, - `n` int(10) unsigned NOT NULL, - `o` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`m`) -) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -30 1 FALSE -31 2 FALSE -32 3 FALSE -33 4 FALSE -34 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1 -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -a b c -1 1 TRUE -2 1 FALSE -3 2 TRUE -4 2 FALSE -5 3 TRUE -6 3 FALSE -7 4 TRUE -8 4 FALSE -9 5 TRUE -10 5 FALSE -13 1 TRUE -14 1 FALSE -15 2 TRUE -16 2 FALSE -17 3 TRUE -18 3 FALSE -19 4 TRUE -20 4 FALSE -21 5 TRUE -22 5 FALSE -23 1 FALSE -24 2 FALSE -25 3 FALSE -26 4 FALSE -27 5 FALSE -30 1 FALSE -31 2 FALSE -32 3 FALSE -33 4 FALSE -34 5 FALSE -37 1 FALSE -38 2 FALSE -39 3 FALSE -40 4 FALSE -41 5 FALSE -44 1 FALSE -45 2 FALSE -46 3 FALSE -47 4 FALSE -48 5 FALSE -51 1 FALSE -52 2 FALSE -53 3 FALSE -54 4 FALSE -55 5 FALSE -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) unsigned NOT NULL AUTO_INCREMENT, - `b` int(10) unsigned NOT NULL, - `c` enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE t2; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -DROP TABLE IF EXISTS t2; -Warnings: -Note 1051 Unknown table 't2' -CREATE TABLE t1( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT -PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -CREATE TABLE t2( -c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT -PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 SELECT c1 FROM t1; -Got one of the listed errors -INSERT INTO t2 SELECT NULL FROM t1; -Got one of the listed errors -DROP TABLE t1; -DROP TABLE t2; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SHOW VARIABLES LIKE "%auto_inc%"; -Variable_name Value -auto_increment_increment 1 -auto_increment_offset 1 -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` tinyint(4) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --127 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-127, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` tinyint(3) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32767, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` smallint(6) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --32767 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-32757, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` smallint(5) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` mediumint(9) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --8388607 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-8388607, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --2147483647 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(10) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 --9223372036854775807 innodb --1 innodb -1 NULL -2 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -Warnings: -Warning 1264 Out of range value for column 'c1' at row 1 -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) unsigned NOT NULL AUTO_INCREMENT, - `c2` varchar(10) DEFAULT NULL, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -SELECT * FROM t1; -c1 c2 -1 NULL -2 innodb -3 innodb -4 NULL -DROP TABLE t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on t1(c2); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - `c2` int(11) DEFAULT NULL, - PRIMARY KEY (`c1`), - KEY `i1` (`c2`) -) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 -INSERT INTO t1 (c2) values (0); -SELECT * FROM t1; -c1 c2 -10 0 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `C1` double NOT NULL AUTO_INCREMENT, - `C2` char(10) DEFAULT NULL, - PRIMARY KEY (`C1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `C1` float NOT NULL AUTO_INCREMENT, - `C2` char(10) DEFAULT NULL, - PRIMARY KEY (`C1`) -) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 SET c1 = 1; -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 -INSERT INTO t1 SET c1 = 2; -INSERT INTO t1 SET c1 = -1; -SELECT * FROM t1; -c1 --1 -1 -2 -INSERT INTO t1 SET c1 = -1; -Got one of the listed errors -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -REPLACE INTO t1 VALUES (-1); -SELECT * FROM t1; -c1 --1 -1 -2 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 -DROP TABLE t1; -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); -SELECT * FROM t1; -c1 --685113344 -2 -3 -4 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); -INSERT INTO t1 VALUES (4), (5), (6), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -4 -5 -6 -7 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); -SELECT * FROM t1; -c1 --685113344 -1 -2 -5 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1 -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); -SELECT * FROM t1; -c1 --685113344 -1 -2 -3 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`c1`) -) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1 -DROP TABLE t1; diff --git a/storage/innobase/mysql-test/innodb-autoinc.test b/storage/innobase/mysql-test/innodb-autoinc.test deleted file mode 100644 index ef0359b78b0..00000000000 --- a/storage/innobase/mysql-test/innodb-autoinc.test +++ /dev/null @@ -1,664 +0,0 @@ --- source include/have_innodb.inc -# embedded server ignores 'delayed', so skip this --- source include/not_embedded.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Bug #34335 -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -## Test AUTOINC overflow -## - -# TINYINT -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (127, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (255, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# SMALLINT -# -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (32767, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (65535, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# MEDIUMINT -# -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (8388607, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (16777215, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# INT -# -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (2147483647, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4294967295, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; -# -# BIGINT -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (9223372036854775807, null); --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (18446744073709551615, null); --- error ER_AUTOINC_READ_FAILED,1467 -INSERT INTO t1 (c2) VALUES ('innodb'); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug 37531 -# After truncate, auto_increment behaves incorrectly for InnoDB -# -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -TRUNCATE TABLE t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -# -# Deleting all records should not reset the AUTOINC counter. -# -CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DELETE FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 VALUES (1), (2), (3); -INSERT INTO t1 VALUES (NULL), (NULL), (NULL); -SELECT c1 FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -# -# Bug 38839 -# Reset the last value generated at end of statement -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1); -INSERT INTO t1 VALUES (NULL,8); -SELECT * FROM t1; -DROP TABLE t1; -# Bug 38839 -- same as above but for multi value insert -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL, 1); -DELETE FROM t1 WHERE c1 = 1; -INSERT INTO t1 VALUES (2,1), (NULL, 8); -INSERT INTO t1 VALUES (NULL,9); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Test changes to AUTOINC next value calculation -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(5),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with SIGNED INT column, by inserting a 0 for the first column value -# 0 is treated in the same was NULL. -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(0); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -SET @@INSERT_ID=400; -# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with SIGNED INT column -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with UNSIGNED INT column, single insert -# The sign in the value is ignored and a new column value is generated -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (2); -INSERT INTO t1 VALUES (NULL); -INSERT INTO t1 VALUES (250); -INSERT INTO t1 VALUES (NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# Test with UNSIGNED INT column, multi-value inserts -# The sign in the value is ignored and a new column value is generated -# Reset the AUTOINC session variables -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-1); -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL); -INSERT INTO t1 VALUES (250),(NULL); -SELECT * FROM t1; -INSERT INTO t1 VALUES (1000); -SET @@INSERT_ID=400; -# Duplicate error expected here for autoinc_lock_mode != TRADITIONAL --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 VALUES(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment is > 1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (9223372036854775794); #-- 2^63 - 14 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should just fit -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment and offser are > 1 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't, it seems to be -# a MySQL server bug. It wraps around to 0 for the last value. -# See MySQL Bug# 39828 -# -# Instead of wrapping around, it asserts when MySQL is compiled --with-debug -# (see sql/handler.cc:handler::update_auto_increment()). Don't test for -# overflow until Bug #39828 is fixed. -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -#INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -#else -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for overflow handling when increment and offset are odd numbers -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551603); #-- 2^64 - 13 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't. It fails with -# a duplicate entry message because of a MySQL server bug, it wraps -# around. See MySQL Bug# 39828, once MySQL fix the bug we can replace -# the ER_DUP_ENTRY, 1062 below with the appropriate error message -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -# Still need to fix this error code, error should mention overflow -#-- error ER_DUP_ENTRY,1062 -#INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -#else -INSERT INTO t1 VALUES (NULL),(NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# Check for overflow handling when increment and offset are odd numbers -# and check for large -ve numbers -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES(-9223372036854775806); #-- -2^63 + 2 -INSERT INTO t1 VALUES(-9223372036854775807); #-- -2^63 + 1 -INSERT INTO t1 VALUES(-9223372036854775808); #-- -2^63 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3; -SHOW VARIABLES LIKE "%auto_inc%"; -INSERT INTO t1 VALUES (NULL),(NULL), (NULL); -SELECT * FROM t1; -DROP TABLE t1; -# -# Check for overflow handling when increment and offset are very -# large numbers 2^60 -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB; -# TODO: Fix the autoinc init code -# We have to do this because of a bug in the AUTOINC init code. -INSERT INTO t1 VALUES(NULL); -INSERT INTO t1 VALUES (18446744073709551610); #-- 2^64 - 2 -SELECT * FROM t1; -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976; -SHOW VARIABLES LIKE "%auto_inc%"; -# This should fail because of overflow but it doesn't. It wraps around -# and the autoinc values look bogus too. -# See MySQL Bug# 39828, once MySQL fix the bug we can enable the error -# code expected test. -# -- error ER_AUTOINC_READ_FAILED,1467 -# -# Since this asserts when compiled --with-debug, we can't properly test this -# until Bug #39828 is fixed. For now, this test is meaningless. -#if Bug #39828 is fixed -#-- error ER_AUTOINC_READ_FAILED,1467 -#INSERT INTO t1 VALUES (NULL),(NULL); -#else -INSERT INTO t1 VALUES (NULL); -#endif -SELECT * FROM t1; -DROP TABLE t1; - -# -# Check for floating point autoinc column handling -# -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SET @@INSERT_ID=1; -SHOW VARIABLES LIKE "%auto_inc%"; -CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES(NULL, 1); -INSERT INTO t1 VALUES(NULL, 2); -SELECT * FROM t1; -ALTER TABLE t1 CHANGE c1 c1 SERIAL; -SELECT * FROM t1; -INSERT INTO t1 VALUES(NULL, 3); -INSERT INTO t1 VALUES(NULL, 4); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug# 42714: AUTOINC column calculated next value not greater than highest -# value stored in table. -# -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5; -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -CREATE TABLE t1 ( - a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, - b INT(10) UNSIGNED NOT NULL, - c ENUM('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (a)) ENGINE = InnoDB; -CREATE TABLE t2 ( - m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, - n INT(10) UNSIGNED NOT NULL, - o enum('FALSE','TRUE') DEFAULT NULL, - PRIMARY KEY (m)) ENGINE = InnoDB; -INSERT INTO t2 (n,o) VALUES - (1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'), - (3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false'); -SHOW CREATE TABLE t2; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 ; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SHOW CREATE TABLE t1; -INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false'; -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -DROP TABLE t2; -# -# 43203: Overflow from auto incrementing causes server segv -# - -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -CREATE TABLE t1( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT - PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); -CREATE TABLE t2( - c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT - PRIMARY KEY) ENGINE=InnoDB; --- error ER_DUP_ENTRY,1062 -INSERT INTO t2 SELECT c1 FROM t1; --- error ER_DUP_ENTRY,1467 -INSERT INTO t2 SELECT NULL FROM t1; -DROP TABLE t1; -DROP TABLE t2; - -# If the user has specified negative values for an AUTOINC column then -# InnoDB should ignore those values when setting the table's max value. -SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1; -SHOW VARIABLES LIKE "%auto_inc%"; -# TINYINT -CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-127, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# SMALLINT -# -CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32767, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-32757, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# MEDIUMINT -# -CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-8388607, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# INT -# -CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-2147483647, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# BIGINT -# -CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; - -CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1, NULL); -INSERT INTO t1 VALUES (-1, 'innodb'); -INSERT INTO t1 VALUES (-9223372036854775807, 'innodb'); -INSERT INTO t1 VALUES (NULL, NULL); -SHOW CREATE TABLE t1; -SELECT * FROM t1; -DROP TABLE t1; -# -# End negative number check - -## -# 47125: auto_increment start value is ignored if an index is created -# and engine=innodb -# -CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB; -CREATE INDEX i1 on t1(c2); -SHOW CREATE TABLE t1; -INSERT INTO t1 (c2) values (0); -SELECT * FROM t1; -DROP TABLE t1; - -## -# 49032: Use the correct function to read the AUTOINC column value -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -# Restart the server --- source include/restart_mysqld.inc -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB; -INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb'); -# Restart the server --- source include/restart_mysqld.inc -INSERT INTO t1(C2) VALUES ('innodb'); -SHOW CREATE TABLE t1; -DROP TABLE t1; - -## -# 47720: REPLACE INTO Autoincrement column with negative values -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t1 SET c1 = 1; -SHOW CREATE TABLE t1; -INSERT INTO t1 SET c1 = 2; -INSERT INTO t1 SET c1 = -1; -SELECT * FROM t1; --- error ER_DUP_ENTRY,1062 -INSERT INTO t1 SET c1 = -1; -SHOW CREATE TABLE t1; -REPLACE INTO t1 VALUES (-1); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; - -## -# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL); -INSERT INTO t1 VALUES (4), (5), (6), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; -CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); -SELECT * FROM t1; -SHOW CREATE TABLE t1; -DROP TABLE t1; diff --git a/storage/innobase/mysql-test/innodb-consistent-master.opt b/storage/innobase/mysql-test/innodb-consistent-master.opt deleted file mode 100644 index cb48f1aaf60..00000000000 --- a/storage/innobase/mysql-test/innodb-consistent-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose-innodb_lock_wait_timeout=2 diff --git a/storage/innobase/mysql-test/innodb-consistent.result b/storage/innobase/mysql-test/innodb-consistent.result deleted file mode 100644 index 9115791b99c..00000000000 --- a/storage/innobase/mysql-test/innodb-consistent.result +++ /dev/null @@ -1,35 +0,0 @@ -drop table if exists t1; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -begin; -replace into t1 select * from t2; -set session transaction isolation level read committed; -set autocommit=0; -delete from t2 where a=5; -commit; -delete from t2; -commit; -commit; -begin; -insert into t1 select * from t2; -set session transaction isolation level read committed; -set autocommit=0; -delete from t2 where a=5; -commit; -delete from t2; -commit; -commit; -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; -drop table t2; diff --git a/storage/innobase/mysql-test/innodb-consistent.test b/storage/innobase/mysql-test/innodb-consistent.test deleted file mode 100644 index bf829a74ea2..00000000000 --- a/storage/innobase/mysql-test/innodb-consistent.test +++ /dev/null @@ -1,58 +0,0 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do -# a consistent read of the source table. - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set session transaction isolation level read committed; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -create table t2 like t1; -insert into t2 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; - -# REPLACE INTO ... SELECT case -begin; -# this should not result in any locks on t2. -replace into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cause a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -# INSERT INTO ... SELECT case -begin; -# this should not result in any locks on t2. -insert into t1 select * from t2; - -connection b; -set session transaction isolation level read committed; -set autocommit=0; -# should not cause a lock wait. -delete from t2 where a=5; -commit; -delete from t2; -commit; -connection a; -commit; - -select * from t1; -drop table t1; -drop table t2; - -connection default; -disconnect a; -disconnect b; diff --git a/storage/innobase/mysql-test/innodb-lock.result b/storage/innobase/mysql-test/innodb-lock.result deleted file mode 100644 index 4ace4065c34..00000000000 --- a/storage/innobase/mysql-test/innodb-lock.result +++ /dev/null @@ -1,57 +0,0 @@ -set global innodb_table_locks=1; -select @@innodb_table_locks; -@@innodb_table_locks -1 -drop table if exists t1; -set @@innodb_table_locks=1; -create table t1 (id integer, x integer) engine=INNODB; -insert into t1 values(0, 0); -set autocommit=0; -SELECT * from t1 where id = 0 FOR UPDATE; -id x -0 0 -set autocommit=0; -lock table t1 write; -update t1 set x=1 where id = 0; -select * from t1; -id x -0 1 -commit; -update t1 set x=2 where id = 0; -commit; -unlock tables; -select * from t1; -id x -0 2 -commit; -drop table t1; -set @@innodb_table_locks=0; -create table t1 (id integer primary key, x integer) engine=INNODB; -insert into t1 values(0, 0),(1,1),(2,2); -commit; -SELECT * from t1 where id = 0 FOR UPDATE; -id x -0 0 -set autocommit=0; -set @@innodb_table_locks=0; -lock table t1 write; -update t1 set x=10 where id = 2; -SELECT * from t1 where id = 2; -id x -2 2 -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -id x -0 0 -1 1 -2 3 -commit; -unlock tables; -commit; -select * from t1; -id x -0 0 -1 1 -2 10 -drop table t1; diff --git a/storage/innobase/mysql-test/innodb-lock.test b/storage/innobase/mysql-test/innodb-lock.test deleted file mode 100644 index eacf7e562be..00000000000 --- a/storage/innobase/mysql-test/innodb-lock.test +++ /dev/null @@ -1,102 +0,0 @@ --- source include/have_innodb.inc - -# -# Check and select innodb lock type -# - -set global innodb_table_locks=1; - -select @@innodb_table_locks; - -# -# Testing of explicit table locks with enforced table locks -# - -connect (con1,localhost,root,,); -connect (con2,localhost,root,,); - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Testing of explicit table locks with enforced table locks -# - -set @@innodb_table_locks=1; - -connection con1; -create table t1 (id integer, x integer) engine=INNODB; -insert into t1 values(0, 0); -set autocommit=0; -SELECT * from t1 where id = 0 FOR UPDATE; - -connection con2; -set autocommit=0; - -# The following statement should hang because con1 is locking the page ---send -lock table t1 write; ---sleep 2 - -connection con1; -update t1 set x=1 where id = 0; -select * from t1; -commit; - -connection con2; -reap; -update t1 set x=2 where id = 0; -commit; -unlock tables; - -connection con1; -select * from t1; -commit; - -drop table t1; - -# -# Try with old lock method (where LOCK TABLE is ignored by InnoDB) -# - -set @@innodb_table_locks=0; - -create table t1 (id integer primary key, x integer) engine=INNODB; -insert into t1 values(0, 0),(1,1),(2,2); -commit; -SELECT * from t1 where id = 0 FOR UPDATE; - -connection con2; -set autocommit=0; -set @@innodb_table_locks=0; - -# The following statement should work becase innodb doesn't check table locks -lock table t1 write; - -connection con1; - -# This will be locked by MySQL ---send -update t1 set x=10 where id = 2; ---sleep 2 - -connection con2; - -# Note that we will get a deadlock if we try to select any rows marked -# for update by con1 ! - -SELECT * from t1 where id = 2; -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -commit; -unlock tables; - -connection con1; -reap; -commit; -select * from t1; -drop table t1; - -# End of 4.1 tests diff --git a/storage/innobase/mysql-test/innodb-master.opt b/storage/innobase/mysql-test/innodb-master.opt deleted file mode 100644 index 72c88068345..00000000000 --- a/storage/innobase/mysql-test/innodb-master.opt +++ /dev/null @@ -1 +0,0 @@ ---binlog_cache_size=32768 --loose_innodb_lock_wait_timeout=1 diff --git a/storage/innobase/mysql-test/innodb-replace.result b/storage/innobase/mysql-test/innodb-replace.result deleted file mode 100644 index c926bb89a2e..00000000000 --- a/storage/innobase/mysql-test/innodb-replace.result +++ /dev/null @@ -1,13 +0,0 @@ -drop table if exists t1; -create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; -select * from t1; -c1 c2 stamp -replace delayed into t1 (c1, c2) values ( "text1","11"); -ERROR HY000: DELAYED option not supported for table 't1' -select * from t1; -c1 c2 stamp -replace delayed into t1 (c1, c2) values ( "text1","12"); -ERROR HY000: DELAYED option not supported for table 't1' -select * from t1; -c1 c2 stamp -drop table t1; diff --git a/storage/innobase/mysql-test/innodb-replace.test b/storage/innobase/mysql-test/innodb-replace.test deleted file mode 100644 index 8c3aacde5e8..00000000000 --- a/storage/innobase/mysql-test/innodb-replace.test +++ /dev/null @@ -1,22 +0,0 @@ --- source include/have_innodb.inc -# embedded server ignores 'delayed', so skip this --- source include/not_embedded.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# -# Bug #1078 -# -create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; -select * from t1; ---error ER_DELAYED_NOT_SUPPORTED -replace delayed into t1 (c1, c2) values ( "text1","11"); -select * from t1; ---error ER_DELAYED_NOT_SUPPORTED -replace delayed into t1 (c1, c2) values ( "text1","12"); -select * from t1; -drop table t1; - -# End of 4.1 tests diff --git a/storage/innobase/mysql-test/innodb-semi-consistent-master.opt b/storage/innobase/mysql-test/innodb-semi-consistent-master.opt deleted file mode 100644 index cb48f1aaf60..00000000000 --- a/storage/innobase/mysql-test/innodb-semi-consistent-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose-innodb_lock_wait_timeout=2 diff --git a/storage/innobase/mysql-test/innodb-semi-consistent.result b/storage/innobase/mysql-test/innodb-semi-consistent.result deleted file mode 100644 index ca0e362ef80..00000000000 --- a/storage/innobase/mysql-test/innodb-semi-consistent.result +++ /dev/null @@ -1,47 +0,0 @@ -drop table if exists t1; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -select * from t1 where a=3 lock in share mode; -a -3 -set binlog_format=mixed; -set session transaction isolation level repeatable read; -set autocommit=0; -update t1 set a=10 where a=5; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -set session transaction isolation level read committed; -update t1 set a=10 where a=5; -select * from t1 where a=2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -select * from t1 where a=2 limit 1 for update; -a -2 -update t1 set a=11 where a=6; -update t1 set a=12 where a=2; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -update t1 set a=13 where a=1; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -update t1 set a=14 where a=1; -commit; -select * from t1; -a -14 -2 -3 -4 -10 -11 -7 -drop table t1; -create table t1 (a int, b int) engine=myisam; -create table t2 (c int, d int, key (c)) engine=innodb; -insert into t1 values (1,1); -insert into t2 values (1,2); -set session transaction isolation level read committed; -delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); -drop table t1, t2; diff --git a/storage/innobase/mysql-test/innodb-semi-consistent.test b/storage/innobase/mysql-test/innodb-semi-consistent.test deleted file mode 100644 index 61ad7815ca9..00000000000 --- a/storage/innobase/mysql-test/innodb-semi-consistent.test +++ /dev/null @@ -1,68 +0,0 @@ --- source include/not_embedded.inc --- source include/have_innodb.inc - ---disable_warnings -drop table if exists t1; ---enable_warnings - -# basic tests of semi-consistent reads - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -set autocommit=0; -# this should lock the entire table -select * from t1 where a=3 lock in share mode; -connection b; -set binlog_format=mixed; -set session transaction isolation level repeatable read; -set autocommit=0; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=10 where a=5; -connection a; -commit; -connection b; -# perform a semi-consisent read (and unlock non-matching rows) -set session transaction isolation level read committed; -update t1 set a=10 where a=5; -connection a; --- error ER_LOCK_WAIT_TIMEOUT -select * from t1 where a=2 for update; -# this should lock the records (1),(2) -select * from t1 where a=2 limit 1 for update; -connection b; -# semi-consistent read will skip non-matching locked rows a=1, a=2 -update t1 set a=11 where a=6; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=12 where a=2; --- error ER_LOCK_WAIT_TIMEOUT -update t1 set a=13 where a=1; -connection a; -commit; -connection b; -update t1 set a=14 where a=1; -commit; -connection a; -select * from t1; -drop table t1; - -connection default; -disconnect a; -disconnect b; - -# Bug 39320 -create table t1 (a int, b int) engine=myisam; -create table t2 (c int, d int, key (c)) engine=innodb; -insert into t1 values (1,1); -insert into t2 values (1,2); -connect (a,localhost,root,,); -connection a; -set session transaction isolation level read committed; -delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); -connection default; -disconnect a; -drop table t1, t2; diff --git a/storage/innobase/mysql-test/innodb.result b/storage/innobase/mysql-test/innodb.result deleted file mode 100644 index d7f4731436b..00000000000 --- a/storage/innobase/mysql-test/innodb.result +++ /dev/null @@ -1,3318 +0,0 @@ -drop table if exists t1,t2,t3,t4; -drop database if exists mysqltest; -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -update ignore t1 set id = 8, name = 'Sinisa' where id < 3; -select id, code, name from t1 order by id; -id code name -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -8 1 Sinisa -update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; -select id, code, name from t1 order by id; -id code name -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -8 1 Sinisa -12 1 Ralph -drop table t1; -CREATE TABLE t1 ( -id int(11) NOT NULL auto_increment, -parent_id int(11) DEFAULT '0' NOT NULL, -level tinyint(4) DEFAULT '0' NOT NULL, -PRIMARY KEY (id), -KEY parent_id (parent_id), -KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -id parent_id level -8 102 2 -9 102 2 -15 102 2 -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -Got one of the listed errors -select * from t1; -id parent_id level -1001 100 0 -1002 101 1 -1003 101 1 -1004 101 1 -1005 101 1 -1006 101 1 -1007 101 1 -1008 102 2 -1009 102 2 -1015 102 2 -1016 103 2 -1017 103 2 -1018 103 2 -1019 103 2 -1020 103 2 -1021 104 2 -1022 104 2 -1024 104 2 -1025 105 2 -1026 105 2 -1027 105 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1034 106 2 -1035 106 2 -1036 107 2 -1037 107 2 -1038 107 2 -1040 107 2 -1157 100 0 -1179 105 2 -1183 104 2 -1193 105 2 -1202 107 2 -1203 107 2 -update ignore t1 set id=id+1; -select * from t1; -id parent_id level -1001 100 0 -1002 101 1 -1003 101 1 -1004 101 1 -1005 101 1 -1006 101 1 -1007 101 1 -1008 102 2 -1010 102 2 -1015 102 2 -1016 103 2 -1017 103 2 -1018 103 2 -1019 103 2 -1020 103 2 -1021 104 2 -1023 104 2 -1024 104 2 -1025 105 2 -1026 105 2 -1027 105 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1034 106 2 -1035 106 2 -1036 107 2 -1037 107 2 -1039 107 2 -1041 107 2 -1158 100 0 -1180 105 2 -1184 104 2 -1194 105 2 -1202 107 2 -1204 107 2 -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; -id parent_id level -1008 102 2 -1010 102 2 -1015 102 2 -explain select level from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -explain select level,id from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -explain select level,id,parent_id from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # -select level,id from t1 where level=1; -level id -1 1002 -1 1003 -1 1004 -1 1005 -1 1006 -1 1007 -select level,id,parent_id from t1 where level=1; -level id parent_id -1 1002 101 -1 1003 101 -1 1004 101 -1 1005 101 -1 1006 101 -1 1007 101 -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 id A # NULL NULL BTREE -t1 1 parent_id 1 parent_id A # NULL NULL BTREE -t1 1 level 1 level A # NULL NULL BTREE -drop table t1; -CREATE TABLE t1 ( -gesuchnr int(11) DEFAULT '0' NOT NULL, -benutzer_id int(11) DEFAULT '0' NOT NULL, -PRIMARY KEY (gesuchnr,benutzer_id) -) engine=innodb; -replace into t1 (gesuchnr,benutzer_id) values (2,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -select * from t1; -gesuchnr benutzer_id -1 1 -2 1 -drop table t1; -create table t1 (a int) engine=innodb; -insert into t1 values (1), (2); -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -delete from t1 where a = 1; -select * from t1; -a -2 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; -create table t1 (a int,b varchar(20)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -delete from t1 where a = 1; -select * from t1; -a b -2 testing -create index skr on t1 (a); -insert into t1 values (3,""), (4,"testing"); -analyze table t1; -Table Op Msg_type Msg_text -test.t1 analyze status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 1 skr 1 a A # NULL NULL YES BTREE -drop table t1; -create table t1 (a int,b varchar(20),key(a)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -select * from t1 where a = 1; -a b -1 -drop table t1; -create table t1 (n int not null primary key) engine=innodb; -set autocommit=0; -insert into t1 values (4); -rollback; -select n, "after rollback" from t1; -n after rollback -insert into t1 values (4); -commit; -select n, "after commit" from t1; -n after commit -4 after commit -commit; -insert into t1 values (5); -insert into t1 values (4); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -commit; -select n, "after commit" from t1; -n after commit -4 after commit -5 after commit -set autocommit=1; -insert into t1 values (6); -insert into t1 values (4); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -select n from t1; -n -4 -5 -6 -set autocommit=0; -begin; -savepoint `my_savepoint`; -insert into t1 values (7); -savepoint `savept2`; -insert into t1 values (3); -select n from t1; -n -3 -4 -5 -6 -7 -savepoint savept3; -rollback to savepoint savept2; -rollback to savepoint savept3; -ERROR 42000: SAVEPOINT savept3 does not exist -rollback to savepoint savept2; -release savepoint `my_savepoint`; -select n from t1; -n -4 -5 -6 -7 -rollback to savepoint `my_savepoint`; -ERROR 42000: SAVEPOINT my_savepoint does not exist -rollback to savepoint savept2; -ERROR 42000: SAVEPOINT savept2 does not exist -insert into t1 values (8); -savepoint sv; -commit; -savepoint sv; -set autocommit=1; -rollback; -drop table t1; -create table t1 (n int not null primary key) engine=innodb; -start transaction; -insert into t1 values (4); -flush tables with read lock; -commit; -unlock tables; -commit; -select * from t1; -n -4 -drop table t1; -create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; -begin; -insert into t1 values(1,'hamdouni'); -select id as afterbegin_id,nom as afterbegin_nom from t1; -afterbegin_id afterbegin_nom -1 hamdouni -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -afterrollback_id afterrollback_nom -set autocommit=0; -insert into t1 values(2,'mysql'); -select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; -afterautocommit0_id afterautocommit0_nom -2 mysql -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -afterrollback_id afterrollback_nom -set autocommit=1; -drop table t1; -CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; -insert into t1 values ('pippo', 12); -insert into t1 values ('pippo', 12); -ERROR 23000: Duplicate entry 'pippo' for key 'PRIMARY' -delete from t1; -delete from t1 where id = 'pippo'; -select * from t1; -id val -insert into t1 values ('pippo', 12); -set autocommit=0; -delete from t1; -rollback; -select * from t1; -id val -pippo 12 -delete from t1; -commit; -select * from t1; -id val -drop table t1; -create table t1 (a integer) engine=innodb; -start transaction; -rename table t1 to t2; -create table t1 (b integer) engine=innodb; -insert into t1 values (1); -rollback; -drop table t1; -rename table t2 to t1; -drop table t1; -set autocommit=1; -CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; -INSERT INTO t1 VALUES (1, 'Jochen'); -select * from t1; -ID NAME -1 Jochen -drop table t1; -CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; -set autocommit=0; -INSERT INTO t1 SET _userid='marc@anyware.co.uk'; -COMMIT; -SELECT * FROM t1; -_userid -marc@anyware.co.uk -SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; -_userid -marc@anyware.co.uk -drop table t1; -set autocommit=1; -CREATE TABLE t1 ( -user_id int(10) DEFAULT '0' NOT NULL, -name varchar(100), -phone varchar(100), -ref_email varchar(100) DEFAULT '' NOT NULL, -detail varchar(200), -PRIMARY KEY (user_id,ref_email) -)engine=innodb; -INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); -select * from t1 where user_id=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); -select * from t1 where user_id=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -select * from t1 where user_id>=10292; -user_id name phone ref_email detail -10292 sanjeev 29153373 sansh777@hotmail.com xxx -10292 shirish 2333604 shirish@yahoo.com ddsds -10292 sonali 323232 sonali@bolly.com filmstar -10293 shirish 2333604 shirish@yahoo.com ddsds -select * from t1 where user_id>10292; -user_id name phone ref_email detail -10293 shirish 2333604 shirish@yahoo.com ddsds -select * from t1 where user_id<10292; -user_id name phone ref_email detail -10291 sanjeev 29153373 sansh777@hotmail.com xxx -drop table t1; -CREATE TABLE t1 (a int not null, b int not null,c int not null, -key(a),primary key(a,b), unique(c),key(a),unique(b)); -show index from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE -t1 0 PRIMARY 2 b A # NULL NULL BTREE -t1 0 c 1 c A # NULL NULL BTREE -t1 0 b 1 b A # NULL NULL BTREE -t1 1 a 1 a A # NULL NULL BTREE -t1 1 a_2 1 a A # NULL NULL BTREE -drop table t1; -create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); -alter table t1 engine=innodb; -insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); -select * from t1; -col1 col2 -1 1 -2 3 -3 4 -4 4 -5 2 -update t1 set col2='7' where col1='4'; -select * from t1; -col1 col2 -1 1 -2 3 -3 4 -4 7 -5 2 -alter table t1 add co3 int not null; -select * from t1; -col1 col2 co3 -1 1 0 -2 3 0 -3 4 0 -4 7 0 -5 2 0 -update t1 set col2='9' where col1='2'; -select * from t1; -col1 col2 co3 -1 1 0 -2 9 0 -3 4 0 -4 7 0 -5 2 0 -drop table t1; -create table t1 (a int not null , b int, primary key (a)) engine = innodb; -create table t2 (a int not null , b int, primary key (a)) engine = myisam; -insert into t1 VALUES (1,3) , (2,3), (3,3); -select * from t1; -a b -1 3 -2 3 -3 3 -insert into t2 select * from t1; -select * from t2; -a b -1 3 -2 3 -3 3 -delete from t1 where b = 3; -select * from t1; -a b -insert into t1 select * from t2; -select * from t1; -a b -1 3 -2 3 -3 3 -select * from t2; -a b -1 3 -2 3 -3 3 -drop table t1,t2; -CREATE TABLE t1 ( -user_name varchar(12), -password text, -subscribed char(1), -user_id int(11) DEFAULT '0' NOT NULL, -quota bigint(20), -weight double, -access_date date, -access_time time, -approved datetime, -dummy_primary_key int(11) NOT NULL auto_increment, -PRIMARY KEY (dummy_primary_key) -) ENGINE=innodb; -INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); -INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); -INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); -INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); -INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); -select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; -user_name password subscribed user_id quota weight access_date access_time approved dummy_primary_key -user_0 somepassword N 0 0 0 2000-09-07 23:06:59 2000-09-07 23:06:59 1 -user_1 somepassword Y 1 1 1 2000-09-07 23:06:59 2000-09-07 23:06:59 2 -user_2 somepassword N 2 2 1.4142135623731 2000-09-07 23:06:59 2000-09-07 23:06:59 3 -user_3 somepassword Y 3 3 1.7320508075689 2000-09-07 23:06:59 2000-09-07 23:06:59 4 -user_4 somepassword N 4 4 2 2000-09-07 23:06:59 2000-09-07 23:06:59 5 -drop table t1; -CREATE TABLE t1 ( -id int(11) NOT NULL auto_increment, -parent_id int(11) DEFAULT '0' NOT NULL, -level tinyint(4) DEFAULT '0' NOT NULL, -KEY (id), -KEY parent_id (parent_id), -KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); -INSERT INTO t1 values (179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -id parent_id level -8 102 2 -9 102 2 -15 102 2 -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -select * from t1; -id parent_id level -1001 100 0 -1003 101 1 -1004 101 1 -1008 102 2 -1024 102 2 -1017 103 2 -1022 104 2 -1024 104 2 -1028 105 2 -1029 105 2 -1030 105 2 -1031 106 2 -1032 106 2 -1033 106 2 -1203 107 2 -1202 107 2 -1020 103 2 -1157 100 0 -1193 105 2 -1040 107 2 -1002 101 1 -1015 102 2 -1006 101 1 -1034 106 2 -1035 106 2 -1016 103 2 -1007 101 1 -1036 107 2 -1018 103 2 -1026 105 2 -1027 105 2 -1183 104 2 -1038 107 2 -1025 105 2 -1037 107 2 -1021 104 2 -1019 103 2 -1005 101 1 -1179 105 2 -update ignore t1 set id=id+1; -select * from t1; -id parent_id level -1002 100 0 -1004 101 1 -1005 101 1 -1009 102 2 -1025 102 2 -1018 103 2 -1023 104 2 -1025 104 2 -1029 105 2 -1030 105 2 -1031 105 2 -1032 106 2 -1033 106 2 -1034 106 2 -1204 107 2 -1203 107 2 -1021 103 2 -1158 100 0 -1194 105 2 -1041 107 2 -1003 101 1 -1016 102 2 -1007 101 1 -1035 106 2 -1036 106 2 -1017 103 2 -1008 101 1 -1037 107 2 -1019 103 2 -1027 105 2 -1028 105 2 -1184 104 2 -1039 107 2 -1026 105 2 -1038 107 2 -1022 104 2 -1020 103 2 -1006 101 1 -1180 105 2 -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; -id parent_id level -1009 102 2 -1025 102 2 -1016 102 2 -explain select level from t1 where level=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref level level 1 const # Using index -select level,id from t1 where level=1; -level id -1 1004 -1 1005 -1 1003 -1 1007 -1 1008 -1 1006 -select level,id,parent_id from t1 where level=1; -level id parent_id -1 1004 101 -1 1005 101 -1 1003 101 -1 1007 101 -1 1008 101 -1 1006 101 -select level,id from t1 where level=1 order by id; -level id -1 1003 -1 1004 -1 1005 -1 1006 -1 1007 -1 1008 -delete from t1 where level=1; -select * from t1; -id parent_id level -1002 100 0 -1009 102 2 -1025 102 2 -1018 103 2 -1023 104 2 -1025 104 2 -1029 105 2 -1030 105 2 -1031 105 2 -1032 106 2 -1033 106 2 -1034 106 2 -1204 107 2 -1203 107 2 -1021 103 2 -1158 100 0 -1194 105 2 -1041 107 2 -1016 102 2 -1035 106 2 -1036 106 2 -1017 103 2 -1037 107 2 -1019 103 2 -1027 105 2 -1028 105 2 -1184 104 2 -1039 107 2 -1026 105 2 -1038 107 2 -1022 104 2 -1020 103 2 -1180 105 2 -drop table t1; -CREATE TABLE t1 ( -sca_code char(6) NOT NULL, -cat_code char(6) NOT NULL, -sca_desc varchar(50), -lan_code char(2) NOT NULL, -sca_pic varchar(100), -sca_sdesc varchar(50), -sca_sch_desc varchar(16), -PRIMARY KEY (sca_code, cat_code, lan_code), -INDEX sca_pic (sca_pic) -) engine = innodb ; -INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); -select count(*) from t1 where sca_code = 'PD'; -count(*) -1 -select count(*) from t1 where sca_code <= 'PD'; -count(*) -1 -select count(*) from t1 where sca_pic is null; -count(*) -2 -alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); -ERROR 42000: Incorrect index name 'sca_pic' -alter table t1 drop index sca_pic; -alter table t1 add index sca_pic (cat_code, sca_pic); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -count(*) -1 -select count(*) from t1 where cat_code='E'; -count(*) -0 -alter table t1 drop index sca_pic, add index (sca_pic, cat_code); -ERROR 42000: Incorrect index name 'sca_pic' -alter table t1 drop index sca_pic; -alter table t1 add index (sca_pic, cat_code); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -count(*) -1 -select count(*) from t1 where sca_pic >= 'n'; -count(*) -1 -select sca_pic from t1 where sca_pic is null; -sca_pic -NULL -NULL -update t1 set sca_pic="test" where sca_pic is null; -delete from t1 where sca_code='pd'; -drop table t1; -set @a:=now(); -CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; -insert into t1 (a) values(1),(2),(3); -select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; -a -1 -2 -3 -select a from t1 natural join t1 as t2 where b >= @a order by a; -a -1 -2 -3 -update t1 set a=5 where a=1; -select a from t1; -a -2 -3 -5 -drop table t1; -create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; -insert into t1 values("hello",1),("world",2); -select * from t1 order by b desc; -a b -world 2 -hello 1 -optimize table t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE -drop table t1; -create table t1 (i int, j int ) ENGINE=innodb; -insert into t1 values (1,2); -select * from t1 where i=1 and j=2; -i j -1 2 -create index ax1 on t1 (i,j); -select * from t1 where i=1 and j=2; -i j -1 2 -drop table t1; -CREATE TABLE t1 ( -a int3 unsigned NOT NULL, -b int1 unsigned NOT NULL, -UNIQUE (a, b) -) ENGINE = innodb; -INSERT INTO t1 VALUES (1, 1); -SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; -MIN(B) MAX(b) -1 1 -drop table t1; -CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; -INSERT INTO t1 VALUES (1); -SELECT * FROM t1; -a -1 -DROP TABLE t1; -create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; -insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); -explain select * from t1 where a > 0 and a < 50; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where -drop table t1; -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' -select id from t1; -id -0 -1 -2 -select id from t1; -id -0 -1 -2 -UNLOCK TABLES; -DROP TABLE t1; -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -begin; -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' -select id from t1; -id -0 -1 -2 -insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); -commit; -select id,id3 from t1; -id id3 -0 0 -1 1 -2 2 -100 2 -UNLOCK TABLES; -DROP TABLE t1; -create table t1 (a char(20), unique (a(5))) engine=innodb; -drop table t1; -create table t1 (a char(20), index (a(5))) engine=innodb; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` char(20) DEFAULT NULL, - KEY `a` (`a`(5)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; -insert into t1 values (NULL),(NULL),(NULL); -delete from t1 where a=3; -insert into t1 values (NULL); -select * from t1; -a -1 -2 -4 -alter table t1 add b int; -select * from t1; -a b -1 NULL -2 NULL -4 NULL -drop table t1; -create table t1 -( -id int auto_increment primary key, -name varchar(32) not null, -value text not null, -uid int not null, -unique key(name,uid) -) engine=innodb; -insert into t1 values (1,'one','one value',101), -(2,'two','two value',102),(3,'three','three value',103); -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -delete from t1 where uid=102; -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -set insert_id=6; -replace into t1 (value,name,uid) values ('other value','two',102); -select * from t1; -id name value uid -1 one one value 101 -3 three three value 103 -6 two other value 102 -drop table t1; -create database mysqltest; -create table mysqltest.t1 (a int not null) engine= innodb; -insert into mysqltest.t1 values(1); -create table mysqltest.t2 (a int not null) engine= myisam; -insert into mysqltest.t2 values(1); -create table mysqltest.t3 (a int not null) engine= heap; -insert into mysqltest.t3 values(1); -commit; -drop database mysqltest; -show tables from mysqltest; -ERROR 42000: Unknown database 'mysqltest' -set autocommit=0; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -commit; -truncate table t1; -truncate table t1; -select * from t1; -a -insert into t1 values(1),(2); -delete from t1; -select * from t1; -a -commit; -drop table t1; -set autocommit=1; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -insert into t1 values(1),(2); -select * from t1; -a -1 -2 -truncate table t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -a -drop table t1; -create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; -insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL # -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort -explain select * from t1 order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort -explain select a from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL # Using index -explain select b from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL # Using index -explain select a,b,c from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL # -drop table t1; -create table t1 (t int not null default 1, key (t)) engine=innodb; -desc t1; -Field Type Null Key Default Extra -t int(11) NO MUL 1 -drop table t1; -CREATE TABLE t1 ( -number bigint(20) NOT NULL default '0', -cname char(15) NOT NULL default '', -carrier_id smallint(6) NOT NULL default '0', -privacy tinyint(4) NOT NULL default '0', -last_mod_date timestamp NOT NULL, -last_mod_id smallint(6) NOT NULL default '0', -last_app_date timestamp NOT NULL, -last_app_id smallint(6) default '-1', -version smallint(6) NOT NULL default '0', -assigned_scps int(11) default '0', -status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); -INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); -INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); -INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); -INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); -INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); -CREATE TABLE t2 ( -number bigint(20) NOT NULL default '0', -cname char(15) NOT NULL default '', -carrier_id smallint(6) NOT NULL default '0', -privacy tinyint(4) NOT NULL default '0', -last_mod_date timestamp NOT NULL, -last_mod_id smallint(6) NOT NULL default '0', -last_app_date timestamp NOT NULL, -last_app_id smallint(6) default '-1', -version smallint(6) NOT NULL default '0', -assigned_scps int(11) default '0', -status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); -INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); -INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); -INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); -select * from t1; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -4077711111 SeanWheeler 90 2 2002-01-11 11:28:46 500 0000-00-00 00:00:00 -1 2 3 1 -9197722223 berry 90 3 2002-01-11 11:28:09 500 2002-01-02 11:45:32 501 4 10 0 -650 San Francisco 0 0 2001-12-27 11:13:36 342 0000-00-00 00:00:00 -1 1 24 1 -302467 Sue's Subshop 90 3 2002-01-09 11:32:41 500 2002-01-02 11:51:11 501 7 24 0 -6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 -333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -4077711111 SeanWheeler 0 2 2002-01-11 11:28:53 500 0000-00-00 00:00:00 -1 2 3 1 -9197722223 berry 90 3 2002-01-11 11:28:18 500 2002-01-02 11:45:32 501 4 10 0 -650 San Francisco 90 0 2002-01-09 11:31:58 342 0000-00-00 00:00:00 -1 1 24 1 -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); -select * from t1; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 -333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -select * from t2; -number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status -333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 -drop table t1,t2; -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -SELECT @@tx_isolation,@@global.tx_isolation; -@@tx_isolation @@global.tx_isolation -SERIALIZABLE REPEATABLE-READ -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -COMMIT; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; -insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -COMMIT; -SET binlog_format='MIXED'; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; -insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -id code name -1 1 Tim -2 1 Monty -3 2 David -4 2 Erik -5 3 Sasha -6 3 Jeremy -7 4 Matt -COMMIT; -DROP TABLE t1; -create table t1 (n int(10), d int(10)) engine=innodb; -create table t2 (n int(10), d int(10)) engine=innodb; -insert into t1 values(1,1),(1,2); -insert into t2 values(1,10),(2,20); -UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; -select * from t1; -n d -1 10 -1 10 -select * from t2; -n d -1 30 -2 20 -drop table t1,t2; -drop table if exists t1, t2; -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row -insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); -delete t2 from t2; -ERROR 23000: Duplicate entry '1' for key 'PRIMARY' -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; -count(*) -2 -drop table t1, t2; -drop table if exists t1, t2; -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row -insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); -delete t2 from t2; -ERROR 23000: Duplicate entry '1' for key 'PRIMARY' -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; -count(*) -2 -drop table t1, t2; -create table t1 (a int, b int) engine=innodb; -insert into t1 values(20,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a; -b ifnull(t2.b,"this is null") -NULL this is null -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -b ifnull(t2.b,"this is null") -NULL this is null -insert into t1 values(10,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -b ifnull(t2.b,"this is null") -NULL this is null -NULL this is null -drop table t1; -create table t1 (a varchar(10) not null) engine=myisam; -create table t2 (b varchar(10) not null unique) engine=innodb; -select t1.a from t1,t2 where t1.a=t2.b; -a -drop table t1,t2; -create table t1 (a int not null, b int, primary key (a)) engine = innodb; -create table t2 (a int not null, b int, primary key (a)) engine = innodb; -insert into t1 values (10, 20); -insert into t2 values (10, 20); -update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; -drop table t1,t2; -CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; -insert into t1 set id=1; -insert into t2 set id=1, t1_id=1; -delete t1,t2 from t1,t2 where t1.id=t2.t1_id; -select * from t1; -id -select * from t2; -id t1_id -drop table t2,t1; -CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1, 1); -SELECT * from t1; -id -1 -UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; -SELECT * from t1; -id -2 -UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; -SELECT * from t1; -id -3 -DROP TABLE t1,t2; -set autocommit=0; -CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; -CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; -CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; -INSERT INTO t3 VALUES("my-test-1", "my-test-2"); -COMMIT; -INSERT INTO t1 VALUES("this-key", "will disappear"); -INSERT INTO t2 VALUES("this-key", "will also disappear"); -DELETE FROM t3 WHERE id1="my-test-1"; -SELECT * FROM t1; -id value -this-key will disappear -SELECT * FROM t2; -id value -this-key will also disappear -SELECT * FROM t3; -id1 id2 -ROLLBACK; -SELECT * FROM t1; -id value -SELECT * FROM t2; -id value -SELECT * FROM t3; -id1 id2 -my-test-1 my-test-2 -SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; -id1 id2 -my-test-1 my-test-2 -COMMIT; -set autocommit=1; -DROP TABLE t1,t2,t3; -CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; -SELECT * from t1; -a b -1 1 -102 2 -103 3 -4 4 -5 5 -6 6 -7 7 -8 8 -9 9 -drop table t1; -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -update t1,t2 set t1.a=t1.a+100; -select * from t1; -a b -101 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; -a b -201 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; -a b -201 1 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -a b -201 1 -103 5 -104 6 -106 6 -105 7 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -select * from t2; -a b -1 1 -2 2 -6 6 -7 7 -8 8 -9 9 -3 13 -4 14 -5 15 -drop table t1,t2; -CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; -CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; -SET AUTOCOMMIT=0; -INSERT INTO t1 ( B_ID ) VALUES ( 1 ); -INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); -ROLLBACK; -Warnings: -Warning 1196 Some non-transactional changed tables couldn't be rolled back -SELECT * FROM t1; -B_ID -drop table t1,t2; -create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; -insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); -select distinct parent,child from t1 order by parent; -parent child -0 4 -1 2 -1 3 -2 1 -drop table t1; -create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; -create table t2 (a int not null auto_increment primary key, b int); -insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); -insert into t2 (a) select b from t1; -insert into t1 (b) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -select count(*) from t1; -count(*) -623 -explain select * from t1 where c between 1 and 2500; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range c c 5 NULL # Using where -update t1 set c=a; -explain select * from t1 where c between 1 and 2500; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL c NULL NULL NULL # Using where -drop table t1,t2; -create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; -insert into t1 (id) values (null),(null),(null),(null),(null); -update t1 set fk=69 where fk is null order by id limit 1; -SELECT * from t1; -id fk -2 NULL -3 NULL -4 NULL -5 NULL -1 69 -drop table t1; -create table t1 (a int not null, b int not null, key (a)); -insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); -SET @tmp=0; -update t1 set b=(@tmp:=@tmp+1) order by a; -update t1 set b=99 where a=1 order by b asc limit 1; -update t1 set b=100 where a=1 order by b desc limit 2; -update t1 set a=a+10+b where a=1 order by b; -select * from t1 order by a,b; -a b -2 4 -2 5 -2 6 -3 7 -3 8 -3 9 -3 10 -3 11 -3 12 -13 2 -111 100 -111 100 -drop table t1; -create table t1 ( c char(8) not null ) engine=innodb; -insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); -insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); -alter table t1 add b char(8) not null; -alter table t1 add a char(8) not null; -alter table t1 add primary key (a,b,c); -update t1 set a=c, b=c; -create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; -insert into t2 select * from t1; -delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; -drop table t1,t2; -SET AUTOCOMMIT=1; -create table t1 (a integer auto_increment primary key) engine=innodb; -insert into t1 (a) values (NULL),(NULL); -truncate table t1; -insert into t1 (a) values (NULL),(NULL); -SELECT * from t1; -a -1 -2 -drop table t1; -CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; -drop table t2,t1; -create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; -insert into `t1`values ( 1 ) ; -create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; -insert into `t2`values ( 1 ) ; -create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; -insert into `t3`values ( 1 ) ; -delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) -update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)) -update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -ERROR 42S22: Unknown column 't1.id' in 'where clause' -drop table t3,t2,t1; -create table t1( -id int primary key, -pid int, -index(pid), -foreign key(pid) references t1(id) on delete cascade) engine=innodb; -insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), -(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); -delete from t1 where id=0; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `t1` (`id`) ON DELETE CASCADE) -delete from t1 where id=15; -delete from t1 where id=0; -drop table t1; -CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; -CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx -(stamp))ENGINE=InnoDB; -insert into t1 values (1),(2),(3); -insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); -Warnings: -Warning 1265 Data truncated for column 'stamp' at row 3 -SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < -'20020204120000' GROUP BY col1; -col1 -1 -2 -3 -4 -drop table t1,t2; -CREATE TABLE t1 ( -`id` int(10) unsigned NOT NULL auto_increment, -`id_object` int(10) unsigned default '0', -`id_version` int(10) unsigned NOT NULL default '1', -`label` varchar(100) NOT NULL default '', -`description` text, -PRIMARY KEY (`id`), -KEY `id_object` (`id_object`), -KEY `id_version` (`id_version`) -) ENGINE=InnoDB; -INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); -CREATE TABLE t2 ( -`id` int(10) unsigned NOT NULL auto_increment, -`id_version` int(10) unsigned NOT NULL default '1', -PRIMARY KEY (`id`), -KEY `id_version` (`id_version`) -) ENGINE=InnoDB; -INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); -SELECT t2.id, t1.`label` FROM t2 INNER JOIN -(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl -ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); -id label -3382 Test -102 Le Pekin (Test) -1794 Test de resto -1822 Test 3 -3524 Societe Test -3525 Fournisseur Test -drop table t1,t2; -create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; -create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; -create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; -insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); -insert t2 select * from t1; -insert t3 select * from t1; -checksum table t1, t2, t3, t4 quick; -Table Checksum -test.t1 2948697075 -test.t2 NULL -test.t3 NULL -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -checksum table t1, t2, t3, t4; -Table Checksum -test.t1 2948697075 -test.t2 2948697075 -test.t3 2948697075 -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -checksum table t1, t2, t3, t4 extended; -Table Checksum -test.t1 2948697075 -test.t2 2948697075 -test.t3 2948697075 -test.t4 NULL -Warnings: -Error 1146 Table 'test.t4' doesn't exist -drop table t1,t2,t3; -create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; -insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); -select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; -trim(name2) -fff -sss -ttt -first -second -third -1 -2 -3 -drop table t1; -create table t1 (a int) engine=innodb; -create table t2 like t1; -drop table t1,t2; -create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; -create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `t1_id_fk` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create index id on t2 (id); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create index id2 on t2 (id); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - KEY `id2` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop index id2 on t2; -drop index id on t2; -ERROR HY000: Cannot drop index 'id': needed in a foreign key constraint -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - KEY `id` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - KEY `t1_id_fk` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create unique index id on t2 (id,id2); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`, `id2`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - KEY `t1_id_fk` (`id2`,`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `id2` int(11) NOT NULL, - UNIQUE KEY `id` (`id`,`id2`), - KEY `t1_id_fk` (`id2`,`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id2`, `id`) REFERENCES `t1` (`id`, `id2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - PRIMARY KEY (`id`), - KEY `id` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - KEY `t1_id_fk` (`id`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t2 add index id_test (id), add index id_test2 (id,id2); -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - `id2` int(11) NOT NULL, - KEY `id_test` (`id`), - KEY `id_test2` (`id`,`id2`), - CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; -ERROR 42000: Incorrect foreign key definition for 't1_id_fk': Key reference and table reference don't match -create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL AUTO_INCREMENT, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b_2` (`b`), - KEY `b` (`b`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2; -create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL AUTO_INCREMENT, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`), - CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t2, t1; -create table t1 (c char(10), index (c,c)) engine=innodb; -ERROR 42S21: Duplicate column name 'c' -create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; -ERROR 42S21: Duplicate column name 'c1' -create table t1 (c1 char(10), c2 char(10)) engine=innodb; -alter table t1 add key (c1,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c2,c1,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c1,c2,c1); -ERROR 42S21: Duplicate column name 'c1' -alter table t1 add key (c1,c1,c2); -ERROR 42S21: Duplicate column name 'c1' -drop table t1; -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -concat(a, b) -11113333 -drop table t1; -CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; -SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); -ERROR HY000: The used table type doesn't support FULLTEXT indexes -DROP TABLE t1; -CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t1 VALUES (1),(2),(3); -CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), -CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); -SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; -a_id b_list -1 1,2,3 -2 4,5 -3 NULL -DROP TABLE t2; -DROP TABLE t1; -create temporary table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -a -42 -drop table t1; -create table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -a -42 -drop table t1; -create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; -insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); -select * from t1 order by a,b,c,d; -a b c d e -1 1 a 1 1 -2 2 b 2 2 -3 3 ab 3 3 -explain select * from t1 order by a,b,c,d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort -drop table t1; -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -min(a) -4 -select min(b) from t1 where a='8'; -min(b) -6 -drop table t1; -create table t1 (x bigint unsigned not null primary key) engine=innodb; -insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); -select * from t1; -x -18446744073709551600 -18446744073709551601 -select count(*) from t1 where x>0; -count(*) -2 -select count(*) from t1 where x=0; -count(*) -0 -select count(*) from t1 where x<0; -count(*) -0 -select count(*) from t1 where x < -16; -count(*) -0 -select count(*) from t1 where x = -16; -count(*) -0 -explain select count(*) from t1 where x > -16; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 2 Using where; Using index -select count(*) from t1 where x > -16; -count(*) -2 -select * from t1 where x > -16; -x -18446744073709551600 -18446744073709551601 -select count(*) from t1 where x = 18446744073709551601; -count(*) -1 -drop table t1; -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; -variable_value -8191 -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; -variable_value -16384 -SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; -variable_value - @innodb_rows_deleted_orig -71 -SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; -variable_value - @innodb_rows_inserted_orig -1084 -SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; -variable_value - @innodb_rows_updated_orig -885 -SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; -variable_value - @innodb_row_lock_waits_orig -0 -SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; -variable_value - @innodb_row_lock_current_waits_orig -0 -SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; -variable_value - @innodb_row_lock_time_orig -0 -SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; -variable_value - @innodb_row_lock_time_max_orig -0 -SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; -variable_value - @innodb_row_lock_time_avg_orig -0 -SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 30 -set global innodb_sync_spin_loops=1000; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 1000 -set global innodb_sync_spin_loops=0; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 0 -set global innodb_sync_spin_loops=20; -show variables like "innodb_sync_spin_loops"; -Variable_name Value -innodb_sync_spin_loops 20 -set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 0 -set global innodb_thread_concurrency=1001; -Warnings: -Warning 1292 Truncated incorrect thread_concurrency value: '1001' -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 1000 -set global innodb_thread_concurrency=0; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 0 -set global innodb_thread_concurrency=16; -show variables like "innodb_thread_concurrency"; -Variable_name Value -innodb_thread_concurrency 16 -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 500 -set global innodb_concurrency_tickets=1000; -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 1000 -set global innodb_concurrency_tickets=0; -Warnings: -Warning 1292 Truncated incorrect concurrency_tickets value: '0' -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 1 -set global innodb_concurrency_tickets=500; -show variables like "innodb_concurrency_tickets"; -Variable_name Value -innodb_concurrency_tickets 500 -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 10000 -set global innodb_thread_sleep_delay=100000; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 100000 -set global innodb_thread_sleep_delay=0; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 0 -set global innodb_thread_sleep_delay=10000; -show variables like "innodb_thread_sleep_delay"; -Variable_name Value -innodb_thread_sleep_delay 10000 -set storage_engine=INNODB; -set session old_alter_table=1; -drop table if exists t1,t2,t3; ---- Testing varchar --- ---- Testing varchar --- -create table t1 (v varchar(10), c char(10), t text); -insert into t1 values('+ ', '+ ', '+ '); -set @a=repeat(' ',20); -insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a)); -Warnings: -Note 1265 Data truncated for column 'v' at row 1 -select concat('*',v,'*',c,'*',t,'*') from t1; -concat('*',v,'*',c,'*',t,'*') -*+ *+*+ * -*+ *+*+ * -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create table t2 like t1; -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -create table t3 select * from t1; -show create table t3; -Table Create Table -t3 CREATE TABLE `t3` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify c varchar(10); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify v char(10); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` text -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 modify t varchar(10); -Warnings: -Note 1265 Data truncated for column 't' at row 2 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) DEFAULT NULL, - `c` varchar(10) DEFAULT NULL, - `t` varchar(10) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select concat('*',v,'*',c,'*',t,'*') from t1; -concat('*',v,'*',c,'*',t,'*') -*+*+*+ * -*+*+*+ * -drop table t1,t2,t3; -create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10))); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `v` (`v`), - KEY `c` (`c`), - KEY `t` (`t`(10)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1; -count(*) -270 -insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where c='a'; -count(*) -10 -select count(*) from t1 where t='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where c='a '; -count(*) -10 -select count(*) from t1 where t='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where c like 'a%'; -count(*) -11 -select count(*) from t1 where t like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -explain select count(*) from t1 where c='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref c c 11 const # Using where; Using index -explain select count(*) from t1 where t='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref t t 13 const # Using where -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 13 NULL # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 13 const # Using where; Using index -alter table t1 add unique(v); -ERROR 23000: Duplicate entry '{ ' for key 'v_2' -alter table t1 add key(v); -select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; -qq -*a*a*a* -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -*a *a*a * -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v,v_2 # 13 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(c) from t1 group by v limit 10; -v count(c) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(c) from t1 group by v limit 10; -v count(c) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select c,count(*) from t1 group by c limit 10; -c count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select c,count(t) from t1 group by c limit 10; -c count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result c,count(t) from t1 group by c limit 10; -c count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select t,count(*) from t1 group by t limit 10; -t count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select t,count(t) from t1 group by t limit 10; -t count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result t,count(t) from t1 group by t limit 10; -t count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(300) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 303 NULL # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where; Using index -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 303 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 drop key v, add key v (v(30)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(300) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`(30)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select count(*) from t1 where v='a'; -count(*) -10 -select count(*) from t1 where v='a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a '; -count(*) -10 -select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -count(*) -10 -select count(*) from t1 where v like 'a%'; -count(*) -11 -select count(*) from t1 where v like 'a %'; -count(*) -9 -explain select count(*) from t1 where v='a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select count(*) from t1 where v like 'a%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range v v 33 NULL # Using where -explain select count(*) from t1 where v between 'a' and 'a '; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -explain select * from t1 where v='a'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref v v 33 const # Using where -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -alter table t1 modify v varchar(600), drop key v, add key v (v); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(600) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `c` (`c`), - KEY `t` (`t`(10)), - KEY `v` (`v`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -select v,count(*) from t1 group by v limit 10; -v count(*) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -select sql_big_result v,count(t) from t1 group by v limit 10; -v count(t) -a 1 -a 10 -b 10 -c 10 -d 10 -e 10 -f 10 -g 10 -h 10 -i 10 -drop table t1; -create table t1 (a char(10), unique (a)); -insert into t1 values ('a '); -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a' for key 'a' -alter table t1 modify a varchar(10); -insert into t1 values ('a '),('a '),('a '),('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -insert into t1 values ('a '); -ERROR 23000: Duplicate entry 'a ' for key 'a' -update t1 set a='a ' where a like 'a%'; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='abc ' where a like 'a '; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='a ' where a like 'a %'; -select concat(a,'.') from t1; -concat(a,'.') -a . -update t1 set a='a ' where a like 'a '; -select concat(a,'.') from t1; -concat(a,'.') -a . -drop table t1; -create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5))); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `t` text, - KEY `v` (`v`(5)), - KEY `c` (`c`(5)), - KEY `t` (`t`(5)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v char(10) character set utf8); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` char(10) CHARACTER SET utf8 DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v varchar(10), c char(10)) row_format=fixed; -Warnings: -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` varchar(10) DEFAULT NULL, - `c` char(10) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED -insert into t1 values('a','a'),('a ','a '); -select concat('*',v,'*',c,'*') from t1; -concat('*',v,'*',c,'*') -*a*a* -*a *a* -drop table t1; -create table t1 (v varchar(65530), key(v(10))); -insert into t1 values(repeat('a',65530)); -select length(v) from t1 where v=repeat('a',65530); -length(v) -65530 -drop table t1; -create table t1(a int, b varchar(12), key ba(b, a)); -insert into t1 values (1, 'A'), (20, NULL); -explain select * from t1 where a=20 and b is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index -select * from t1 where a=20 and b is null; -a b -20 NULL -drop table t1; -set session old_alter_table=0; -create table t1 (v varchar(65530), key(v)); -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -drop table t1; -create table t1 (v varchar(65536)); -Warnings: -Note 1246 Converting column 'v' from VARCHAR to TEXT -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` mediumtext -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1 (v varchar(65530) character set utf8); -Warnings: -Note 1246 Converting column 'v' from VARCHAR to TEXT -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `v` mediumtext CHARACTER SET utf8 -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -set storage_engine=MyISAM; -create table t1 (v varchar(16384)) engine=innodb; -drop table t1; -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -min(a) -4 -select min(b) from t1 where a='8'; -min(b) -6 -drop table t1; -CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; -insert into t1 (b) values (1); -replace into t1 (b) values (2), (1), (3); -select * from t1; -a b -3 1 -2 2 -4 3 -truncate table t1; -insert into t1 (b) values (1); -replace into t1 (b) values (2); -replace into t1 (b) values (1); -replace into t1 (b) values (3); -select * from t1; -a b -3 1 -2 2 -4 3 -drop table t1; -create table t1 (rowid int not null auto_increment, val int not null,primary -key (rowid), unique(val)) engine=innodb; -replace into t1 (val) values ('1'),('2'); -replace into t1 (val) values ('1'),('2'); -insert into t1 (val) values ('1'),('2'); -ERROR 23000: Duplicate entry '1' for key 'val' -select * from t1; -rowid val -3 1 -4 2 -drop table t1; -create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; -insert into t1 (val) values (1); -update t1 set a=2 where a=1; -insert into t1 (val) values (1); -ERROR 23000: Duplicate entry '2' for key 'PRIMARY' -select * from t1; -a val -2 1 -drop table t1; -CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; -INSERT INTO t1 (GRADE) VALUES (151),(252),(343); -SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; -GRADE -252 -SELECT GRADE FROM t1 WHERE GRADE= 151; -GRADE -151 -DROP TABLE t1; -create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; -create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; -insert into t2 values ('aa','cc'); -insert into t1 values ('aa','bb'),('aa','cc'); -delete t1 from t1,t2 where f1=f3 and f4='cc'; -select * from t1; -f1 f2 -drop table t1,t2; -CREATE TABLE t1 ( -id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) -) ENGINE=InnoDB; -CREATE TABLE t2 ( -id INTEGER NOT NULL, -FOREIGN KEY (id) REFERENCES t1 (id) -) ENGINE=InnoDB; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -DELETE FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -id -1 -DROP TABLE t2, t1; -CREATE TABLE t1 -( -id INT PRIMARY KEY -) ENGINE=InnoDB; -CREATE TEMPORARY TABLE t2 -( -id INT NOT NULL PRIMARY KEY, -b INT, -FOREIGN KEY (b) REFERENCES test.t1(id) -) ENGINE=InnoDB; -Got one of the listed errors -DROP TABLE t1; -create table t1 (col1 varchar(2000), index (col1(767))) -character set = latin1 engine = innodb; -create table t2 (col1 char(255), index (col1)) -character set = latin1 engine = innodb; -create table t3 (col1 binary(255), index (col1)) -character set = latin1 engine = innodb; -create table t4 (col1 varchar(767), index (col1)) -character set = latin1 engine = innodb; -create table t5 (col1 varchar(767) primary key) -character set = latin1 engine = innodb; -create table t6 (col1 varbinary(767) primary key) -character set = latin1 engine = innodb; -create table t7 (col1 text, index(col1(767))) -character set = latin1 engine = innodb; -create table t8 (col1 blob, index(col1(767))) -character set = latin1 engine = innodb; -create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) -character set = latin1 engine = innodb; -show create table t9; -Table Create Table -t9 CREATE TABLE `t9` ( - `col1` varchar(512) DEFAULT NULL, - `col2` varchar(512) DEFAULT NULL, - KEY `col1` (`col1`,`col2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; -create table t1 (col1 varchar(768), index(col1)) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t2 (col1 varbinary(768), index(col1)) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t3 (col1 text, index(col1(768))) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -create table t4 (col1 blob, index(col1(768))) -character set = latin1 engine = innodb; -Warnings: -Warning 1071 Specified key was too long; max key length is 767 bytes -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `col1` varchar(768) DEFAULT NULL, - KEY `col1` (`col1`(767)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2, t3, t4; -create table t1 (col1 varchar(768) primary key) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t2 (col1 varbinary(768) primary key) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t3 (col1 text, primary key(col1(768))) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -create table t4 (col1 blob, primary key(col1(768))) -character set = latin1 engine = innodb; -ERROR 42000: Specified key was too long; max key length is 767 bytes -CREATE TABLE t1 -( -id INT PRIMARY KEY -) ENGINE=InnoDB; -CREATE TABLE t2 -( -v INT, -CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) -) ENGINE=InnoDB; -INSERT INTO t2 VALUES(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1); -DELETE FROM t1 WHERE id = 1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -DROP TABLE t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails -SET FOREIGN_KEY_CHECKS=0; -DROP TABLE t1; -SET FOREIGN_KEY_CHECKS=1; -INSERT INTO t2 VALUES(3); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`)) -DROP TABLE t2; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=0; -checksum table t1; -Table Checksum -test.t1 1531596814 -insert into t1 values(3); -checksum table t1; -Table Checksum -test.t1 1531596814 -commit; -checksum table t1; -Table Checksum -test.t1 2050879373 -commit; -drop table t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=1; -checksum table t1; -Table Checksum -test.t1 1531596814 -set autocommit=1; -insert into t1 values(3); -checksum table t1; -Table Checksum -test.t1 2050879373 -drop table t1; -set foreign_key_checks=0; -create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; -create table t1(a char(10) primary key, b varchar(20)) engine = innodb; -ERROR HY000: Can't create table 'test.t1' (errno: 150) -set foreign_key_checks=1; -drop table t2; -set foreign_key_checks=0; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; -ERROR HY000: Can't create table 'test.t2' (errno: 150) -set foreign_key_checks=1; -drop table t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; -create table t1(a varchar(10) primary key) engine = innodb; -alter table t1 modify column a int; -Got one of the listed errors -set foreign_key_checks=1; -drop table t2,t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -alter table t1 convert to character set utf8; -set foreign_key_checks=1; -drop table t2,t1; -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; -rename table t3 to t1; -ERROR HY000: Error on rename of './test/t3' to './test/t1' (errno: 150) -set foreign_key_checks=1; -drop table t2,t3; -create table t1(a int primary key) row_format=redundant engine=innodb; -create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; -create table t3(a int primary key) row_format=compact engine=innodb; -create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; -insert into t1 values(1); -insert into t3 values(1); -insert into t2 values(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -insert into t4 values(2); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -insert into t2 values(1); -insert into t4 values(1); -update t1 set a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -update t2 set a=2; -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -update t3 set a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -update t4 set a=2; -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -truncate t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -truncate t3; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `t4_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t3` (`a`)) -truncate t2; -truncate t4; -truncate t1; -truncate t3; -drop table t4,t3,t2,t1; -create table t1 (a varchar(255) character set utf8, -b varchar(255) character set utf8, -c varchar(255) character set utf8, -d varchar(255) character set utf8, -key (a,b,c,d)) engine=innodb; -drop table t1; -create table t1 (a varchar(255) character set utf8, -b varchar(255) character set utf8, -c varchar(255) character set utf8, -d varchar(255) character set utf8, -e varchar(255) character set utf8, -key (a,b,c,d,e)) engine=innodb; -ERROR 42000: Specified key was too long; max key length is 3072 bytes -create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; -create table t2 (s1 binary(2),primary key (s1)) engine=innodb; -create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; -create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; -insert into t1 values (0x41),(0x4120),(0x4100); -insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' -insert into t2 values (0x41),(0x4120); -insert into t3 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' -insert into t3 values (0x41),(0x4100); -insert into t4 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' -insert into t4 values (0x41),(0x4100); -select hex(s1) from t1; -hex(s1) -41 -4100 -4120 -select hex(s1) from t2; -hex(s1) -4100 -4120 -select hex(s1) from t3; -hex(s1) -4100 -41 -select hex(s1) from t4; -hex(s1) -4100 -41 -drop table t1,t2,t3,t4; -create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; -create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; -insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); -insert into t2 values(0x42); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -insert into t2 values(0x41); -select hex(s1) from t2; -hex(s1) -4100 -update t1 set s1=0x123456 where a=2; -select hex(s1) from t2; -hex(s1) -4100 -update t1 set s1=0x12 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x12345678 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x123457 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -update t1 set s1=0x1220 where a=1; -select hex(s1) from t2; -hex(s1) -1220 -update t1 set s1=0x1200 where a=1; -select hex(s1) from t2; -hex(s1) -1200 -update t1 set s1=0x4200 where a=1; -select hex(s1) from t2; -hex(s1) -4200 -delete from t1 where a=1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -delete from t1 where a=2; -update t2 set s1=0x4120; -delete from t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -delete from t1 where a!=3; -select a,hex(s1) from t1; -a hex(s1) -3 4120 -select hex(s1) from t2; -hex(s1) -4120 -drop table t2,t1; -create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; -create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; -insert into t1 values(1,0x4100),(2,0x41); -insert into t2 values(0x41); -select hex(s1) from t2; -hex(s1) -41 -update t1 set s1=0x1234 where a=1; -select hex(s1) from t2; -hex(s1) -41 -update t1 set s1=0x12 where a=2; -select hex(s1) from t2; -hex(s1) -12 -delete from t1 where a=1; -delete from t1 where a=2; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c` FOREIGN KEY (`s1`) REFERENCES `t1` (`s1`) ON UPDATE CASCADE) -select a,hex(s1) from t1; -a hex(s1) -2 12 -select hex(s1) from t2; -hex(s1) -12 -drop table t2,t1; -CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; -CREATE TABLE t2(a INT) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; -ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) DEFAULT NULL, - KEY `t2_ibfk_0` (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2,t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -set autocommit = 0; -update t1 set b = 5 where a = 2; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -set autocommit = 0; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -commit; -commit; -drop trigger t1t; -drop table t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); -create trigger t1t before insert on t1 for each row begin -INSERT INTO t2 SET a = NEW.a; -end | -create trigger t2t before insert on t2 for each row begin -DELETE FROM t3 WHERE a = NEW.a; -end | -create trigger t3t before delete on t3 for each row begin -UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | -create trigger t4t before update on t4 for each row begin -UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; -CREATE TABLE t1 ( -field1 varchar(8) NOT NULL DEFAULT '', -field2 varchar(8) NOT NULL DEFAULT '', -PRIMARY KEY (field1, field2) -) ENGINE=InnoDB; -CREATE TABLE t2 ( -field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, -FOREIGN KEY (field1) REFERENCES t1 (field1) -ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB; -INSERT INTO t1 VALUES ('old', 'somevalu'); -INSERT INTO t1 VALUES ('other', 'anyvalue'); -INSERT INTO t2 VALUES ('old'); -INSERT INTO t2 VALUES ('other'); -UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; -ERROR 23000: Upholding foreign key constraints for table 't1', entry 'other-somevalu', key 1 would lead to a duplicate entry -DROP TABLE t2; -DROP TABLE t1; -create table t1 ( -c1 bigint not null, -c2 bigint not null, -primary key (c1), -unique key (c2) -) engine=innodb; -create table t2 ( -c1 bigint not null, -primary key (c1) -) engine=innodb; -alter table t1 add constraint c2_fk foreign key (c2) -references t2(c1) on delete cascade; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL, - `c2` bigint(20) NOT NULL, - PRIMARY KEY (`c1`), - UNIQUE KEY `c2` (`c2`), - CONSTRAINT `c2_fk` FOREIGN KEY (`c2`) REFERENCES `t2` (`c1`) ON DELETE CASCADE -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 drop foreign key c2_fk; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(20) NOT NULL, - `c2` bigint(20) NOT NULL, - PRIMARY KEY (`c1`), - UNIQUE KEY `c2` (`c2`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1, t2; -create table t1(a date) engine=innodb; -create table t2(a date, key(a)) engine=innodb; -insert into t1 values('2005-10-01'); -insert into t2 values('2005-10-01'); -select * from t1, t2 -where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; -a a -2005-10-01 2005-10-01 -drop table t1, t2; -create table t1 (id int not null, f_id int not null, f int not null, -primary key(f_id, id)) engine=innodb; -create table t2 (id int not null,s_id int not null,s varchar(200), -primary key(id)) engine=innodb; -INSERT INTO t1 VALUES (8, 1, 3); -INSERT INTO t1 VALUES (1, 2, 1); -INSERT INTO t2 VALUES (1, 0, ''); -INSERT INTO t2 VALUES (8, 1, ''); -commit; -DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) -WHERE mm.id IS NULL; -select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) -where mm.id is null lock in share mode; -id f_id f -drop table t1,t2; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); -commit; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t1 set b = 5 where b = 1; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -select * from t1 where a = 7 and b = 3 for update; -a b -7 3 -commit; -commit; -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); -commit; -set autocommit = 0; -select * from t1 lock in share mode; -a b -1 1 -2 2 -3 1 -4 2 -5 1 -6 2 -update t1 set b = 5 where b = 1; -set autocommit = 0; -select * from t1 where a = 2 and b = 2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -commit; -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(d int not null, e int, primary key(d)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -d e -3 1 -8 6 -12 1 -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t1 select * from t2; -update t1 set b = (select e from t2 where a = d); -create table t3(d int not null, e int, primary key(d)) engine=innodb -select * from t2; -commit; -commit; -drop table t1, t2, t3; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(a int not null, b int, primary key(a)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -create table t3(d int not null, b int, primary key(d)) engine=innodb; -insert into t3 values (8,6),(12,1),(3,1); -create table t5(a int not null, b int, primary key(a)) engine=innodb; -insert into t5 values (1,2),(5,3),(4,2); -create table t6(d int not null, e int, primary key(d)) engine=innodb; -insert into t6 values (8,6),(12,1),(3,1); -create table t8(a int not null, b int, primary key(a)) engine=innodb; -insert into t8 values (1,2),(5,3),(4,2); -create table t9(d int not null, e int, primary key(d)) engine=innodb; -insert into t9 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -a b -3 1 -8 6 -12 1 -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -insert into t1 select * from t2; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -update t3 set b = (select b from t2 where a = d); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t5 (select * from t2 lock in share mode); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t6 set e = (select b from t2 where a = d lock in share mode); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t8 (select * from t2 for update); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t9 set e = (select b from t2 where a = d for update); -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -drop table t1, t2, t3, t5, t6, t8, t9; -CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; -ERROR 42000: Incorrect column name 'DB_ROW_ID' -CREATE TABLE t1 ( -a BIGINT(20) NOT NULL, -PRIMARY KEY (a) -) ENGINE=INNODB DEFAULT CHARSET=UTF8; -CREATE TABLE t2 ( -a BIGINT(20) NOT NULL, -b VARCHAR(128) NOT NULL, -c TEXT NOT NULL, -PRIMARY KEY (a,b), -KEY idx_t2_b_c (b,c(200)), -CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) -ON DELETE CASCADE -) ENGINE=INNODB DEFAULT CHARSET=UTF8; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1, 'bar', 'vbar'); -INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); -INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); -INSERT INTO t2 VALUES (1, 'customer_over', '1'); -SELECT * FROM t2 WHERE b = 'customer_over'; -a b c -1 customer_over 1 -SELECT * FROM t2 WHERE BINARY b = 'customer_over'; -a b c -1 customer_over 1 -SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; -a -1 -/* Bang: Empty result set, above was expected: */ -SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -a -1 -SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -a -1 -drop table t2, t1; -CREATE TABLE t1 ( a int ) ENGINE=innodb; -BEGIN; -INSERT INTO t1 VALUES (1); -OPTIMIZE TABLE t1; -Table Op Msg_type Msg_text -test.t1 optimize note Table does not support optimize, doing recreate + analyze instead -test.t1 optimize status OK -DROP TABLE t1; -CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; -CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, -CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) -ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON -DELETE CASCADE ON UPDATE CASCADE; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `id` int(11) NOT NULL, - `f` int(11) NOT NULL, - PRIMARY KEY (`id`), - KEY `f` (`f`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f`) REFERENCES `t1` (`f`) ON DELETE CASCADE ON UPDATE CASCADE, - CONSTRAINT `t2_t1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2, t1; -CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; -CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; -ALTER TABLE t2 MODIFY a INT NOT NULL; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) -DELETE FROM t1; -DROP TABLE t2,t1; -CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) -ENGINE=InnoDB; -INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); -DELETE FROM t1; -INSERT INTO t1 VALUES ('DDD'); -SELECT * FROM t1; -a -DDD -DROP TABLE t1; -CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB -AUTO_INCREMENT=42; -INSERT INTO t1 VALUES (0),(347),(0); -SELECT * FROM t1; -id -42 -347 -348 -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`id`) -) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 -CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 VALUES(42),(347),(348); -ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `id` int(11) NOT NULL AUTO_INCREMENT, - PRIMARY KEY (`id`), - CONSTRAINT `t1_t2` FOREIGN KEY (`id`) REFERENCES `t2` (`id`) -) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1 -DROP TABLE t1,t2; -set innodb_strict_mode=on; -CREATE TABLE t1 ( -c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), -c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), -c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), -c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), -c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), -c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), -c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), -c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) -) ENGINE = InnoDB; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -DROP TABLE IF EXISTS t1; -Warnings: -Note 1051 Unknown table 't1' -CREATE TABLE t1( -id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY -) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-10); -SELECT * FROM t1; -id --10 -INSERT INTO t1 VALUES(NULL); -SELECT * FROM t1; -id --10 -1 -DROP TABLE t1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -DROP TABLE IF EXISTS t1, t2; -Warnings: -Note 1051 Unknown table 't1' -Note 1051 Unknown table 't2' -CREATE TABLE t1 ( a int ) ENGINE=InnoDB; -CREATE TABLE t2 LIKE t1; -SELECT * FROM t2; -a -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (1); -COMMIT; -SELECT * FROM t1 WHERE a=1; -a -1 -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -SELECT * FROM t2; -a -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (2); -COMMIT; -SELECT * FROM t1 WHERE a=2; -a -2 -SELECT * FROM t1 WHERE a=2; -a -2 -DROP TABLE t1; -DROP TABLE t2; -create table t1 (i int, j int) engine=innodb; -insert into t1 (i, j) values (1, 1), (2, 2); -update t1 set j = 2; -affected rows: 1 -info: Rows matched: 2 Changed: 1 Warnings: 0 -drop table t1; -create table t1 (id int) comment='this is a comment' engine=innodb; -select table_comment, data_free > 0 as data_free_is_set -from information_schema.tables -where table_schema='test' and table_name = 't1'; -table_comment data_free_is_set -this is a comment 1 -drop table t1; -CREATE TABLE t1 ( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, -c2 VARCHAR(128) NOT NULL, -PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; -CREATE TABLE t2 ( -c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, -c2 INT(10) UNSIGNED DEFAULT NULL, -PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -AUTO_INCREMENT -200 -ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -AUTO_INCREMENT -200 -DROP TABLE t2; -DROP TABLE t1; -CREATE TABLE t1 (c1 int default NULL, -c2 int default NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -TRUNCATE TABLE t1; -affected rows: 0 -INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); -affected rows: 5 -info: Records: 5 Duplicates: 0 Warnings: 0 -TRUNCATE TABLE t1; -affected rows: 0 -DROP TABLE t1; -Variable_name Value -Handler_update 0 -Variable_name Value -Handler_delete 0 -Variable_name Value -Handler_update 1 -Variable_name Value -Handler_delete 1 diff --git a/storage/innobase/mysql-test/innodb.test b/storage/innobase/mysql-test/innodb.test deleted file mode 100644 index 9f9766acd82..00000000000 --- a/storage/innobase/mysql-test/innodb.test +++ /dev/null @@ -1,2582 +0,0 @@ -####################################################################### -# # -# Please, DO NOT TOUCH this file as well as the innodb.result file. # -# These files are to be modified ONLY BY INNOBASE guys. # -# # -# Use innodb_mysql.[test|result] files instead. # -# # -# If nevertheless you need to make some changes here, please, forward # -# your commit message # -# To: innodb_dev_ww@oracle.com # -# Cc: dev-innodb@mysql.com # -# (otherwise your changes may be erased). # -# # -####################################################################### - --- source include/have_innodb.inc - -let $MYSQLD_DATADIR= `select @@datadir`; - -# Save the original values of some variables in order to be able to -# estimate how much they have changed during the tests. Previously this -# test assumed that e.g. rows_deleted is 0 here and after deleting 23 -# rows it expected that rows_deleted will be 23. Now we do not make -# assumptions about the values of the variables at the beginning, e.g. -# rows_deleted should be 23 + "rows_deleted before the test". This allows -# the test to be run multiple times without restarting the mysqld server. -# See Bug#43309 Test main.innodb can't be run twice --- disable_query_log -SET @innodb_thread_concurrency_orig = @@innodb_thread_concurrency; - -SET @innodb_rows_deleted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'); -SET @innodb_rows_inserted_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'); -SET @innodb_rows_updated_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'); -SET @innodb_row_lock_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'); -SET @innodb_row_lock_current_waits_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'); -SET @innodb_row_lock_time_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'); -SET @innodb_row_lock_time_max_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'); -SET @innodb_row_lock_time_avg_orig = (SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'); --- enable_query_log - ---disable_warnings -drop table if exists t1,t2,t3,t4; -drop database if exists mysqltest; ---enable_warnings - -# -# Small basic test with ignore -# - -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; - -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; - -update ignore t1 set id = 8, name = 'Sinisa' where id < 3; -select id, code, name from t1 order by id; -update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; -select id, code, name from t1 order by id; - -drop table t1; - -# -# A bit bigger test -# The 'replace_column' statements are needed because the cardinality calculated -# by innodb is not always the same between runs -# - -CREATE TABLE t1 ( - id int(11) NOT NULL auto_increment, - parent_id int(11) DEFAULT '0' NOT NULL, - level tinyint(4) DEFAULT '0' NOT NULL, - PRIMARY KEY (id), - KEY parent_id (parent_id), - KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -update t1 set id=id+1000; --- error ER_DUP_ENTRY,1022 -update t1 set id=1024 where id=1009; -select * from t1; -update ignore t1 set id=id+1; # This will change all rows -select * from t1; -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; ---replace_column 9 # -explain select level from t1 where level=1; ---replace_column 9 # -explain select level,id from t1 where level=1; ---replace_column 9 # -explain select level,id,parent_id from t1 where level=1; -select level,id from t1 where level=1; -select level,id,parent_id from t1 where level=1; -optimize table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - -# -# Test replace -# - -CREATE TABLE t1 ( - gesuchnr int(11) DEFAULT '0' NOT NULL, - benutzer_id int(11) DEFAULT '0' NOT NULL, - PRIMARY KEY (gesuchnr,benutzer_id) -) engine=innodb; - -replace into t1 (gesuchnr,benutzer_id) values (2,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -replace into t1 (gesuchnr,benutzer_id) values (1,1); -select * from t1; -drop table t1; - -# -# test delete using hidden_primary_key -# - -create table t1 (a int) engine=innodb; -insert into t1 values (1), (2); -optimize table t1; -delete from t1 where a = 1; -select * from t1; -check table t1; -drop table t1; - -create table t1 (a int,b varchar(20)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -delete from t1 where a = 1; -select * from t1; -create index skr on t1 (a); -insert into t1 values (3,""), (4,"testing"); -analyze table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - - -# Test of reading on secondary key with may be null - -create table t1 (a int,b varchar(20),key(a)) engine=innodb; -insert into t1 values (1,""), (2,"testing"); -select * from t1 where a = 1; -drop table t1; - -# -# Test rollback -# - -create table t1 (n int not null primary key) engine=innodb; -set autocommit=0; -insert into t1 values (4); -rollback; -select n, "after rollback" from t1; -insert into t1 values (4); -commit; -select n, "after commit" from t1; -commit; -insert into t1 values (5); --- error ER_DUP_ENTRY -insert into t1 values (4); -commit; -select n, "after commit" from t1; -set autocommit=1; -insert into t1 values (6); --- error ER_DUP_ENTRY -insert into t1 values (4); -select n from t1; -set autocommit=0; -# -# savepoints -# -begin; -savepoint `my_savepoint`; -insert into t1 values (7); -savepoint `savept2`; -insert into t1 values (3); -select n from t1; -savepoint savept3; -rollback to savepoint savept2; ---error 1305 -rollback to savepoint savept3; -rollback to savepoint savept2; -release savepoint `my_savepoint`; -select n from t1; --- error 1305 -rollback to savepoint `my_savepoint`; ---error 1305 -rollback to savepoint savept2; -insert into t1 values (8); -savepoint sv; -commit; -savepoint sv; -set autocommit=1; -# nop -rollback; -drop table t1; - -# -# Test for commit and FLUSH TABLES WITH READ LOCK -# - -create table t1 (n int not null primary key) engine=innodb; -start transaction; -insert into t1 values (4); -flush tables with read lock; -# -# Current code can't handle a read lock in middle of transaction -#--error 1223; -commit; -unlock tables; -commit; -select * from t1; -drop table t1; - -# -# Testing transactions -# - -create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=innodb; -begin; -insert into t1 values(1,'hamdouni'); -select id as afterbegin_id,nom as afterbegin_nom from t1; -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -set autocommit=0; -insert into t1 values(2,'mysql'); -select id as afterautocommit0_id,nom as afterautocommit0_nom from t1; -rollback; -select id as afterrollback_id,nom as afterrollback_nom from t1; -set autocommit=1; -drop table t1; - -# -# Simple not autocommit test -# - -CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb; -insert into t1 values ('pippo', 12); --- error ER_DUP_ENTRY -insert into t1 values ('pippo', 12); # Gives error -delete from t1; -delete from t1 where id = 'pippo'; -select * from t1; - -insert into t1 values ('pippo', 12); -set autocommit=0; -delete from t1; -rollback; -select * from t1; -delete from t1; -commit; -select * from t1; -drop table t1; - -# -# Test of active transactions -# - -create table t1 (a integer) engine=innodb; -start transaction; -rename table t1 to t2; -create table t1 (b integer) engine=innodb; -insert into t1 values (1); -rollback; -drop table t1; -rename table t2 to t1; -drop table t1; -set autocommit=1; - -# -# The following simple tests failed at some point -# - -CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=innodb; -INSERT INTO t1 VALUES (1, 'Jochen'); -select * from t1; -drop table t1; - -CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=innodb; -set autocommit=0; -INSERT INTO t1 SET _userid='marc@anyware.co.uk'; -COMMIT; -SELECT * FROM t1; -SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk'; -drop table t1; -set autocommit=1; - -# -# Test when reading on part of unique key -# -CREATE TABLE t1 ( - user_id int(10) DEFAULT '0' NOT NULL, - name varchar(100), - phone varchar(100), - ref_email varchar(100) DEFAULT '' NOT NULL, - detail varchar(200), - PRIMARY KEY (user_id,ref_email) -)engine=innodb; - -INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); -select * from t1 where user_id=10292; -INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); -select * from t1 where user_id=10292; -select * from t1 where user_id>=10292; -select * from t1 where user_id>10292; -select * from t1 where user_id<10292; -drop table t1; - -# -# Test that keys are created in right order -# - -CREATE TABLE t1 (a int not null, b int not null,c int not null, -key(a),primary key(a,b), unique(c),key(a),unique(b)); ---replace_column 7 # -show index from t1; -drop table t1; - -# -# Test of ALTER TABLE and innodb tables -# - -create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); -alter table t1 engine=innodb; -insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); -select * from t1; -update t1 set col2='7' where col1='4'; -select * from t1; -alter table t1 add co3 int not null; -select * from t1; -update t1 set col2='9' where col1='2'; -select * from t1; -drop table t1; - -# -# INSERT INTO innodb tables -# - -create table t1 (a int not null , b int, primary key (a)) engine = innodb; -create table t2 (a int not null , b int, primary key (a)) engine = myisam; -insert into t1 VALUES (1,3) , (2,3), (3,3); -select * from t1; -insert into t2 select * from t1; -select * from t2; -delete from t1 where b = 3; -select * from t1; -insert into t1 select * from t2; -select * from t1; -select * from t2; -drop table t1,t2; - -# -# ORDER BY on not primary key -# - -CREATE TABLE t1 ( - user_name varchar(12), - password text, - subscribed char(1), - user_id int(11) DEFAULT '0' NOT NULL, - quota bigint(20), - weight double, - access_date date, - access_time time, - approved datetime, - dummy_primary_key int(11) NOT NULL auto_increment, - PRIMARY KEY (dummy_primary_key) -) ENGINE=innodb; -INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); -INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); -INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); -INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); -INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); -select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; -drop table t1; - -# -# Testing of tables without primary keys -# - -CREATE TABLE t1 ( - id int(11) NOT NULL auto_increment, - parent_id int(11) DEFAULT '0' NOT NULL, - level tinyint(4) DEFAULT '0' NOT NULL, - KEY (id), - KEY parent_id (parent_id), - KEY level (level) -) engine=innodb; -INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); -INSERT INTO t1 values (179,5,2); -update t1 set parent_id=parent_id+100; -select * from t1 where parent_id=102; -update t1 set id=id+1000; -update t1 set id=1024 where id=1009; -select * from t1; -update ignore t1 set id=id+1; # This will change all rows -select * from t1; -update ignore t1 set id=1023 where id=1010; -select * from t1 where parent_id=102; ---replace_column 9 # -explain select level from t1 where level=1; -select level,id from t1 where level=1; -select level,id,parent_id from t1 where level=1; -select level,id from t1 where level=1 order by id; -delete from t1 where level=1; -select * from t1; -drop table t1; - -# -# Test of index only reads -# -CREATE TABLE t1 ( - sca_code char(6) NOT NULL, - cat_code char(6) NOT NULL, - sca_desc varchar(50), - lan_code char(2) NOT NULL, - sca_pic varchar(100), - sca_sdesc varchar(50), - sca_sch_desc varchar(16), - PRIMARY KEY (sca_code, cat_code, lan_code), - INDEX sca_pic (sca_pic) -) engine = innodb ; - -INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); -select count(*) from t1 where sca_code = 'PD'; -select count(*) from t1 where sca_code <= 'PD'; -select count(*) from t1 where sca_pic is null; -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); -alter table t1 drop index sca_pic; -alter table t1 add index sca_pic (cat_code, sca_pic); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -select count(*) from t1 where cat_code='E'; - -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t1 drop index sca_pic, add index (sca_pic, cat_code); -alter table t1 drop index sca_pic; -alter table t1 add index (sca_pic, cat_code); -select count(*) from t1 where sca_code='PD' and sca_pic is null; -select count(*) from t1 where sca_pic >= 'n'; -select sca_pic from t1 where sca_pic is null; -update t1 set sca_pic="test" where sca_pic is null; -delete from t1 where sca_code='pd'; -drop table t1; - -# -# Test of opening table twice and timestamps -# -set @a:=now(); -CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=innodb; -insert into t1 (a) values(1),(2),(3); -select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; -select a from t1 natural join t1 as t2 where b >= @a order by a; -update t1 set a=5 where a=1; -select a from t1; -drop table t1; - -# -# Test with variable length primary key -# -create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=innodb; -insert into t1 values("hello",1),("world",2); -select * from t1 order by b desc; -optimize table t1; ---replace_column 7 # -show keys from t1; -drop table t1; - -# -# Test of create index with NULL columns -# -create table t1 (i int, j int ) ENGINE=innodb; -insert into t1 values (1,2); -select * from t1 where i=1 and j=2; -create index ax1 on t1 (i,j); -select * from t1 where i=1 and j=2; -drop table t1; - -# -# Test min-max optimization -# - -CREATE TABLE t1 ( - a int3 unsigned NOT NULL, - b int1 unsigned NOT NULL, - UNIQUE (a, b) -) ENGINE = innodb; - -INSERT INTO t1 VALUES (1, 1); -SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; -drop table t1; - -# -# Test INSERT DELAYED -# - -CREATE TABLE t1 (a int unsigned NOT NULL) engine=innodb; -# Can't test this in 3.23 -# INSERT DELAYED INTO t1 VALUES (1); -INSERT INTO t1 VALUES (1); -SELECT * FROM t1; -DROP TABLE t1; - - -# -# Crash when using many tables (Test case by Jeremy D Zawodny) -# - -create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = innodb; -insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); ---replace_column 9 # -explain select * from t1 where a > 0 and a < 50; -drop table t1; - -# -# Test lock tables -# - -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; ---error ER_DUP_ENTRY -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -select id from t1; -select id from t1; -UNLOCK TABLES; -DROP TABLE t1; - -create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb; -insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); -LOCK TABLES t1 WRITE; -begin; ---error ER_DUP_ENTRY -insert into t1 values (99,1,2,'D'),(1,1,2,'D'); -select id from t1; -insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); -commit; -select id,id3 from t1; -UNLOCK TABLES; -DROP TABLE t1; - -# -# Test prefix key -# -create table t1 (a char(20), unique (a(5))) engine=innodb; -drop table t1; -create table t1 (a char(20), index (a(5))) engine=innodb; -show create table t1; -drop table t1; - -# -# Test using temporary table and auto_increment -# - -create temporary table t1 (a int not null auto_increment, primary key(a)) engine=innodb; -insert into t1 values (NULL),(NULL),(NULL); -delete from t1 where a=3; -insert into t1 values (NULL); -select * from t1; -alter table t1 add b int; -select * from t1; -drop table t1; - -#Slashdot bug -create table t1 - ( - id int auto_increment primary key, - name varchar(32) not null, - value text not null, - uid int not null, - unique key(name,uid) - ) engine=innodb; -insert into t1 values (1,'one','one value',101), - (2,'two','two value',102),(3,'three','three value',103); -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -delete from t1 where uid=102; -set insert_id=5; -replace into t1 (value,name,uid) values ('other value','two',102); -set insert_id=6; -replace into t1 (value,name,uid) values ('other value','two',102); -select * from t1; -drop table t1; - -# -# Test DROP DATABASE -# - -create database mysqltest; -create table mysqltest.t1 (a int not null) engine= innodb; -insert into mysqltest.t1 values(1); -create table mysqltest.t2 (a int not null) engine= myisam; -insert into mysqltest.t2 values(1); -create table mysqltest.t3 (a int not null) engine= heap; -insert into mysqltest.t3 values(1); -commit; -drop database mysqltest; -# Don't check error message ---error 1049 -show tables from mysqltest; - -# -# Test truncate table with and without auto_commit -# - -set autocommit=0; -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -commit; -truncate table t1; -truncate table t1; -select * from t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -commit; -drop table t1; -set autocommit=1; - -create table t1 (a int not null) engine= innodb; -insert into t1 values(1),(2); -truncate table t1; -insert into t1 values(1),(2); -select * from t1; -truncate table t1; -insert into t1 values(1),(2); -delete from t1; -select * from t1; -drop table t1; - -# -# Test of how ORDER BY works when doing it on the whole table -# - -create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=innodb; -insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); ---replace_column 9 # -explain select * from t1 order by a; ---replace_column 9 # -explain select * from t1 order by b; ---replace_column 9 # -explain select * from t1 order by c; ---replace_column 9 # -explain select a from t1 order by a; ---replace_column 9 # -explain select b from t1 order by b; ---replace_column 9 # -explain select a,b from t1 order by b; ---replace_column 9 # -explain select a,b from t1; ---replace_column 9 # -explain select a,b,c from t1; -drop table t1; - -# -# Check describe -# - -create table t1 (t int not null default 1, key (t)) engine=innodb; -desc t1; -drop table t1; - -# -# Test of multi-table-delete -# - -CREATE TABLE t1 ( - number bigint(20) NOT NULL default '0', - cname char(15) NOT NULL default '', - carrier_id smallint(6) NOT NULL default '0', - privacy tinyint(4) NOT NULL default '0', - last_mod_date timestamp NOT NULL, - last_mod_id smallint(6) NOT NULL default '0', - last_app_date timestamp NOT NULL, - last_app_id smallint(6) default '-1', - version smallint(6) NOT NULL default '0', - assigned_scps int(11) default '0', - status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); -INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); -INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); -INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); -INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); -INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); -CREATE TABLE t2 ( - number bigint(20) NOT NULL default '0', - cname char(15) NOT NULL default '', - carrier_id smallint(6) NOT NULL default '0', - privacy tinyint(4) NOT NULL default '0', - last_mod_date timestamp NOT NULL, - last_mod_id smallint(6) NOT NULL default '0', - last_app_date timestamp NOT NULL, - last_app_id smallint(6) default '-1', - version smallint(6) NOT NULL default '0', - assigned_scps int(11) default '0', - status tinyint(4) default '0' -) ENGINE=InnoDB; -INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); -INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); -INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); -INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); -select * from t1; -select * from t2; -delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); -select * from t1; -select * from t2; -select * from t2; -drop table t1,t2; - -# -# A simple test with some isolation levels -# TODO: Make this into a test using replication to really test how -# this works. -# - -create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb; - -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -SELECT @@tx_isolation,@@global.tx_isolation; -insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); -select id, code, name from t1 order by id; -COMMIT; - -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; -insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); -select id, code, name from t1 order by id; -COMMIT; - -SET binlog_format='MIXED'; -BEGIN; -SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; -insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); -select id, code, name from t1 order by id; -COMMIT; -DROP TABLE t1; - -# -# Test of multi-table-update -# -create table t1 (n int(10), d int(10)) engine=innodb; -create table t2 (n int(10), d int(10)) engine=innodb; -insert into t1 values(1,1),(1,2); -insert into t2 values(1,10),(2,20); -UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; -select * from t1; -select * from t2; -drop table t1,t2; - -# -# Bug #29136 erred multi-delete on trans table does not rollback -# - -# prepare ---disable_warnings -drop table if exists t1, t2; ---enable_warnings -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row - insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); - - -# exec cases A, B - see multi_update.test - -# A. send_error() w/o send_eof() branch - ---error ER_DUP_ENTRY -delete t2 from t2; - -# check - -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; - -# cleanup bug#29136 - -drop table t1, t2; - - -# -# Bug #29136 erred multi-delete on trans table does not rollback -# - -# prepare ---disable_warnings -drop table if exists t1, t2; ---enable_warnings -CREATE TABLE t1 (a int, PRIMARY KEY (a)); -CREATE TABLE t2 (a int, PRIMARY KEY (a)) ENGINE=InnoDB; -create trigger trg_del_t2 after delete on t2 for each row - insert into t1 values (1); -insert into t1 values (1); -insert into t2 values (1),(2); - - -# exec cases A, B - see multi_update.test - -# A. send_error() w/o send_eof() branch - ---error ER_DUP_ENTRY -delete t2 from t2; - -# check - -select count(*) from t2 /* must be 2 as restored after rollback caused by the error */; - -# cleanup bug#29136 - -drop table t1, t2; - - -# -# Testing of IFNULL -# -create table t1 (a int, b int) engine=innodb; -insert into t1 values(20,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a; -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -insert into t1 values(10,null); -select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on -t2.b=t3.a order by 1; -drop table t1; - -# -# Test of read_through not existing const_table -# - -create table t1 (a varchar(10) not null) engine=myisam; -create table t2 (b varchar(10) not null unique) engine=innodb; -select t1.a from t1,t2 where t1.a=t2.b; -drop table t1,t2; -create table t1 (a int not null, b int, primary key (a)) engine = innodb; -create table t2 (a int not null, b int, primary key (a)) engine = innodb; -insert into t1 values (10, 20); -insert into t2 values (10, 20); -update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; -drop table t1,t2; - -# -# Test of multi-table-delete with foreign key constraints -# - -CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE ) ENGINE=INNODB; -insert into t1 set id=1; -insert into t2 set id=1, t1_id=1; -delete t1,t2 from t1,t2 where t1.id=t2.t1_id; -select * from t1; -select * from t2; -drop table t2,t1; -CREATE TABLE t1(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; -CREATE TABLE t2(id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id) ) ENGINE=INNODB; -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1, 1); -SELECT * from t1; -UPDATE t1,t2 SET t1.id=t1.id+1, t2.t1_id=t1.id+1; -SELECT * from t1; -UPDATE t1,t2 SET t1.id=t1.id+1 where t1.id!=t2.id; -SELECT * from t1; -DROP TABLE t1,t2; - -# -# Test of range_optimizer -# - -set autocommit=0; - -CREATE TABLE t1 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; - -CREATE TABLE t2 (id CHAR(15) NOT NULL, value CHAR(40) NOT NULL, PRIMARY KEY(id)) ENGINE=InnoDB; - -CREATE TABLE t3 (id1 CHAR(15) NOT NULL, id2 CHAR(15) NOT NULL, PRIMARY KEY(id1, id2)) ENGINE=InnoDB; - -INSERT INTO t3 VALUES("my-test-1", "my-test-2"); -COMMIT; - -INSERT INTO t1 VALUES("this-key", "will disappear"); -INSERT INTO t2 VALUES("this-key", "will also disappear"); -DELETE FROM t3 WHERE id1="my-test-1"; - -SELECT * FROM t1; -SELECT * FROM t2; -SELECT * FROM t3; -ROLLBACK; - -SELECT * FROM t1; -SELECT * FROM t2; -SELECT * FROM t3; -SELECT * FROM t3 WHERE id1="my-test-1" LOCK IN SHARE MODE; -COMMIT; -set autocommit=1; -DROP TABLE t1,t2,t3; - -# -# Check update with conflicting key -# - -CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -# We need the a < 1000 test here to quard against the halloween problems -UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; -SELECT * from t1; -drop table t1; - -# -# Test multi update with different join methods -# - -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); - -# Full join, without key -update t1,t2 set t1.a=t1.a+100; -select * from t1; - -# unique key -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; - -# ref key -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; - -# Range key (in t1) -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -select * from t2; - -drop table t1,t2; -CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; -CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; -SET AUTOCOMMIT=0; -INSERT INTO t1 ( B_ID ) VALUES ( 1 ); -INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); -ROLLBACK; -SELECT * FROM t1; -drop table t1,t2; -create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = innodb; -insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); -select distinct parent,child from t1 order by parent; -drop table t1; - -# -# Test that MySQL priorities clustered indexes -# -create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=innodb; -create table t2 (a int not null auto_increment primary key, b int); -insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); -insert into t2 (a) select b from t1; -insert into t1 (b) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -insert into t2 (a) select b from t1; -insert into t1 (a) select b from t2; -select count(*) from t1; ---replace_column 9 # -explain select * from t1 where c between 1 and 2500; -update t1 set c=a; ---replace_column 9 # -explain select * from t1 where c between 1 and 2500; -drop table t1,t2; - -# -# Test of UPDATE ... ORDER BY -# - -create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=innodb; - -insert into t1 (id) values (null),(null),(null),(null),(null); -update t1 set fk=69 where fk is null order by id limit 1; -SELECT * from t1; -drop table t1; - -create table t1 (a int not null, b int not null, key (a)); -insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); -SET @tmp=0; -update t1 set b=(@tmp:=@tmp+1) order by a; -update t1 set b=99 where a=1 order by b asc limit 1; -update t1 set b=100 where a=1 order by b desc limit 2; -update t1 set a=a+10+b where a=1 order by b; -select * from t1 order by a,b; -drop table t1; - -# -# Test of multi-table-updates (bug #1980). -# - -create table t1 ( c char(8) not null ) engine=innodb; -insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); -insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); - -alter table t1 add b char(8) not null; -alter table t1 add a char(8) not null; -alter table t1 add primary key (a,b,c); -update t1 set a=c, b=c; - -create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=innodb; -insert into t2 select * from t1; - -delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; -drop table t1,t2; - -# -# test autoincrement with TRUNCATE -# - -SET AUTOCOMMIT=1; -create table t1 (a integer auto_increment primary key) engine=innodb; -insert into t1 (a) values (NULL),(NULL); -truncate table t1; -insert into t1 (a) values (NULL),(NULL); -SELECT * from t1; -drop table t1; - -# -# Test dictionary handling with spaceand quoting -# - -CREATE TABLE t1 (`id 1` INT NOT NULL, PRIMARY KEY (`id 1`)) ENGINE=INNODB; -CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id), FOREIGN KEY (`t1_id`) REFERENCES `t1`(`id 1`) ON DELETE CASCADE ) ENGINE=INNODB; -#show create table t2; -drop table t2,t1; - -# -# Test of multi updated and foreign keys -# - -create table `t1` (`id` int( 11 ) not null ,primary key ( `id` )) engine = innodb; -insert into `t1`values ( 1 ) ; -create table `t2` (`id` int( 11 ) not null default '0',unique key `id` ( `id` ) ,constraint `t1_id_fk` foreign key ( `id` ) references `t1` (`id` )) engine = innodb; -insert into `t2`values ( 1 ) ; -create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb; -insert into `t3`values ( 1 ) ; ---error 1451 -delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; ---error 1451 -update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; ---error 1054 -update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id; -drop table t3,t2,t1; - -# -# test for recursion depth limit -# -create table t1( - id int primary key, - pid int, - index(pid), - foreign key(pid) references t1(id) on delete cascade) engine=innodb; -insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6), - (8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14); --- error 1451 -delete from t1 where id=0; -delete from t1 where id=15; -delete from t1 where id=0; - -drop table t1; - -# -# Test timestamps -# - -CREATE TABLE t1 (col1 int(1))ENGINE=InnoDB; -CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx -(stamp))ENGINE=InnoDB; -insert into t1 values (1),(2),(3); -# Note that timestamp 3 is wrong -insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); -SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < -'20020204120000' GROUP BY col1; -drop table t1,t2; - -# -# Test by Francois MASUREL -# - -CREATE TABLE t1 ( - `id` int(10) unsigned NOT NULL auto_increment, - `id_object` int(10) unsigned default '0', - `id_version` int(10) unsigned NOT NULL default '1', - `label` varchar(100) NOT NULL default '', - `description` text, - PRIMARY KEY (`id`), - KEY `id_object` (`id_object`), - KEY `id_version` (`id_version`) -) ENGINE=InnoDB; - -INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); - -CREATE TABLE t2 ( - `id` int(10) unsigned NOT NULL auto_increment, - `id_version` int(10) unsigned NOT NULL default '1', - PRIMARY KEY (`id`), - KEY `id_version` (`id_version`) -) ENGINE=InnoDB; - -INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); - -SELECT t2.id, t1.`label` FROM t2 INNER JOIN -(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl -ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); -drop table t1,t2; - -create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=myisam; -create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=innodb; -create table t3 (a int, b varchar(200), c text not null) checksum=1 engine=innodb; -insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); -insert t2 select * from t1; -insert t3 select * from t1; -checksum table t1, t2, t3, t4 quick; -checksum table t1, t2, t3, t4; -checksum table t1, t2, t3, t4 extended; -#show table status; -drop table t1,t2,t3; - -# -# Test problem with refering to different fields in same table in UNION -# (Bug #2552) -# -create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb; -insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); -select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; -drop table t1; - -# -# Bug2160 -# -create table t1 (a int) engine=innodb; -create table t2 like t1; -drop table t1,t2; - -# -# Test of automaticly created foreign keys -# - -create table t1 (id int(11) not null, id2 int(11) not null, unique (id,id2)) engine=innodb; -create table t2 (id int(11) not null, constraint t1_id_fk foreign key ( id ) references t1 (id)) engine = innodb; -show create table t1; -show create table t2; -create index id on t2 (id); -show create table t2; -create index id2 on t2 (id); -show create table t2; -drop index id2 on t2; ---error ER_DROP_INDEX_FK -drop index id on t2; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id,id2) references t1 (id,id2)) engine = innodb; -show create table t2; -create unique index id on t2 (id,id2); -show create table t2; -drop table t2; - -# Check foreign key columns created in different order than key columns -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2), constraint t1_id_fk foreign key (id) references t1 (id)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null, id2 int(11) not null, unique (id,id2),constraint t1_id_fk foreign key (id2,id) references t1 (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id), primary key (id), index (id,id2)) engine = innodb; -show create table t2; -drop table t2; - -create table t2 (id int(11) not null auto_increment, id2 int(11) not null, constraint t1_id_fk foreign key (id) references t1 (id)) engine= innodb; -show create table t2; -alter table t2 add index id_test (id), add index id_test2 (id,id2); -show create table t2; -drop table t2; - -# Test error handling - -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' ---error ER_WRONG_FK_DEF -create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb; - -# bug#3749 - -create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -drop table t2; -create table t2 (a int auto_increment primary key, b int, foreign key (b) references t1(id), foreign key (b) references t1(id), unique(b)) engine=innodb; -show create table t2; -drop table t2, t1; - - -# -# Bug #6126: Duplicate columns in keys gives misleading error message -# ---error 1060 -create table t1 (c char(10), index (c,c)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=innodb; ---error 1060 -create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=innodb; -create table t1 (c1 char(10), c2 char(10)) engine=innodb; ---error 1060 -alter table t1 add key (c1,c1); ---error 1060 -alter table t1 add key (c2,c1,c1); ---error 1060 -alter table t1 add key (c1,c2,c1); ---error 1060 -alter table t1 add key (c1,c1,c2); -drop table t1; - -# -# Bug #4082: integer truncation -# - -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -drop table t1; - -# -# BUG#7709 test case - Boolean fulltext query against unsupported -# engines does not fail -# - -CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; ---error 1214 -SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); -DROP TABLE t1; - -# -# check null values #1 -# - ---disable_warnings -CREATE TABLE t1 (a_id tinyint(4) NOT NULL default '0', PRIMARY KEY (a_id)) ENGINE=InnoDB DEFAULT CHARSET=latin1; -INSERT INTO t1 VALUES (1),(2),(3); -CREATE TABLE t2 (b_id tinyint(4) NOT NULL default '0',b_a tinyint(4) NOT NULL default '0', PRIMARY KEY (b_id), KEY (b_a), - CONSTRAINT fk_b_a FOREIGN KEY (b_a) REFERENCES t1 (a_id) ON DELETE CASCADE ON UPDATE NO ACTION) ENGINE=InnoDB DEFAULT CHARSET=latin1; ---enable_warnings -INSERT INTO t2 VALUES (1,1),(2,1),(3,1),(4,2),(5,2); -SELECT * FROM (SELECT t1.*,GROUP_CONCAT(t2.b_id SEPARATOR ',') as b_list FROM (t1 LEFT JOIN (t2) on t1.a_id = t2.b_a) GROUP BY t1.a_id ) AS xyz; -DROP TABLE t2; -DROP TABLE t1; - -# -# Bug#11816 - Truncate table doesn't work with temporary innodb tables -# This is not an innodb bug, but we test it using innodb. -# -create temporary table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -drop table t1; -# Show that it works with permanent tables too. -create table t1 (a int) engine=innodb; -insert into t1 values (4711); -truncate t1; -insert into t1 values (42); -select * from t1; -drop table t1; - -# -# Bug #13025 Server crash during filesort -# - -create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb; -insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); -select * from t1 order by a,b,c,d; -explain select * from t1 order by a,b,c,d; -drop table t1; - -# -# BUG#11039,#13218 Wrong key length in min() -# - -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -select min(b) from t1 where a='8'; -drop table t1; - -# End of 4.1 tests - -# -# range optimizer problem -# - -create table t1 (x bigint unsigned not null primary key) engine=innodb; -insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); -select * from t1; -select count(*) from t1 where x>0; -select count(*) from t1 where x=0; -select count(*) from t1 where x<0; -select count(*) from t1 where x < -16; -select count(*) from t1 where x = -16; -explain select count(*) from t1 where x > -16; -select count(*) from t1 where x > -16; -select * from t1 where x > -16; -select count(*) from t1 where x = 18446744073709551601; -drop table t1; - - -# Test for testable InnoDB status variables. This test -# uses previous ones(pages_created, rows_deleted, ...). ---replace_result 8192 8191 -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; -SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; -SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; -SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; -SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; - -# Test for row locks InnoDB status variables. -SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; -SELECT variable_value - @innodb_row_lock_current_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_current_waits'; -SELECT variable_value - @innodb_row_lock_time_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time'; -SELECT variable_value - @innodb_row_lock_time_max_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_max'; -SELECT variable_value - @innodb_row_lock_time_avg_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_time_avg'; - -# Test for innodb_sync_spin_loops variable -SET @innodb_sync_spin_loops_orig = @@innodb_sync_spin_loops; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=1000; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=0; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=20; -show variables like "innodb_sync_spin_loops"; -set global innodb_sync_spin_loops=@innodb_sync_spin_loops_orig; - -# Test for innodb_thread_concurrency variable -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=1001; -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=0; -show variables like "innodb_thread_concurrency"; -set global innodb_thread_concurrency=16; -show variables like "innodb_thread_concurrency"; - -# Test for innodb_concurrency_tickets variable -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=1000; -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=0; -show variables like "innodb_concurrency_tickets"; -set global innodb_concurrency_tickets=500; -show variables like "innodb_concurrency_tickets"; - -# Test for innodb_thread_sleep_delay variable -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=100000; -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=0; -show variables like "innodb_thread_sleep_delay"; -set global innodb_thread_sleep_delay=10000; -show variables like "innodb_thread_sleep_delay"; - -# -# Test varchar -# - -let $default=`select @@storage_engine`; -set storage_engine=INNODB; -# this should be fixed by MySQL (see Bug #51451) -set session old_alter_table=1; -source include/varchar.inc; -set session old_alter_table=0; - -# -# Some errors/warnings on create -# - -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' -create table t1 (v varchar(65530), key(v)); -drop table t1; -create table t1 (v varchar(65536)); -show create table t1; -drop table t1; -create table t1 (v varchar(65530) character set utf8); -show create table t1; -drop table t1; - -eval set storage_engine=$default; - -# InnoDB specific varchar tests -create table t1 (v varchar(16384)) engine=innodb; -drop table t1; - -# -# BUG#11039 Wrong key length in min() -# - -create table t1 (a char(1), b char(1), key(a, b)) engine=innodb; -insert into t1 values ('8', '6'), ('4', '7'); -select min(a) from t1; -select min(b) from t1 where a='8'; -drop table t1; - -# -# Bug #11080 & #11005 Multi-row REPLACE fails on a duplicate key error -# - -CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb; -insert into t1 (b) values (1); -replace into t1 (b) values (2), (1), (3); -select * from t1; -truncate table t1; -insert into t1 (b) values (1); -replace into t1 (b) values (2); -replace into t1 (b) values (1); -replace into t1 (b) values (3); -select * from t1; -drop table t1; - -create table t1 (rowid int not null auto_increment, val int not null,primary -key (rowid), unique(val)) engine=innodb; -replace into t1 (val) values ('1'),('2'); -replace into t1 (val) values ('1'),('2'); ---error ER_DUP_ENTRY -insert into t1 (val) values ('1'),('2'); -select * from t1; -drop table t1; - -# -# Test that update does not change internal auto-increment value -# - -create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB; -insert into t1 (val) values (1); -update t1 set a=2 where a=1; -# We should get the following error because InnoDB does not update the counter ---error ER_DUP_ENTRY -insert into t1 (val) values (1); -select * from t1; -drop table t1; -# -# Bug #10465 -# - ---disable_warnings -CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=INNODB; ---enable_warnings -INSERT INTO t1 (GRADE) VALUES (151),(252),(343); -SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; -SELECT GRADE FROM t1 WHERE GRADE= 151; -DROP TABLE t1; - -# -# Bug #12340 multitable delete deletes only one record -# -create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=innodb; -create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=innodb; -insert into t2 values ('aa','cc'); -insert into t1 values ('aa','bb'),('aa','cc'); -delete t1 from t1,t2 where f1=f3 and f4='cc'; -select * from t1; -drop table t1,t2; - -# -# Test that the slow TRUNCATE implementation resets autoincrement columns -# (bug #11946) -# - -CREATE TABLE t1 ( -id INTEGER NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) -) ENGINE=InnoDB; - -CREATE TABLE t2 ( -id INTEGER NOT NULL, -FOREIGN KEY (id) REFERENCES t1 (id) -) ENGINE=InnoDB; - -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; - -# continued from above; test that doing a slow TRUNCATE on a table with 0 -# rows resets autoincrement columns -DELETE FROM t1; -TRUNCATE t1; -INSERT INTO t1 (id) VALUES (NULL); -SELECT * FROM t1; -DROP TABLE t2, t1; - -# Test that foreign keys in temporary tables are not accepted (bug #12084) -CREATE TABLE t1 -( - id INT PRIMARY KEY -) ENGINE=InnoDB; - ---error 1005,1005 -CREATE TEMPORARY TABLE t2 -( - id INT NOT NULL PRIMARY KEY, - b INT, - FOREIGN KEY (b) REFERENCES test.t1(id) -) ENGINE=InnoDB; -DROP TABLE t1; - -# -# Test that index column max sizes are honored (bug #13315) -# - -# prefix index -create table t1 (col1 varchar(2000), index (col1(767))) - character set = latin1 engine = innodb; - -# normal indexes -create table t2 (col1 char(255), index (col1)) - character set = latin1 engine = innodb; -create table t3 (col1 binary(255), index (col1)) - character set = latin1 engine = innodb; -create table t4 (col1 varchar(767), index (col1)) - character set = latin1 engine = innodb; -create table t5 (col1 varchar(767) primary key) - character set = latin1 engine = innodb; -create table t6 (col1 varbinary(767) primary key) - character set = latin1 engine = innodb; -create table t7 (col1 text, index(col1(767))) - character set = latin1 engine = innodb; -create table t8 (col1 blob, index(col1(767))) - character set = latin1 engine = innodb; - -# multi-column indexes are allowed to be longer -create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2)) - character set = latin1 engine = innodb; - -show create table t9; - -drop table t1, t2, t3, t4, t5, t6, t7, t8, t9; - -# these should have their index length trimmed -create table t1 (col1 varchar(768), index(col1)) - character set = latin1 engine = innodb; -create table t2 (col1 varbinary(768), index(col1)) - character set = latin1 engine = innodb; -create table t3 (col1 text, index(col1(768))) - character set = latin1 engine = innodb; -create table t4 (col1 blob, index(col1(768))) - character set = latin1 engine = innodb; - -show create table t1; - -drop table t1, t2, t3, t4; - -# these should be refused ---error 1071 -create table t1 (col1 varchar(768) primary key) - character set = latin1 engine = innodb; ---error 1071 -create table t2 (col1 varbinary(768) primary key) - character set = latin1 engine = innodb; ---error 1071 -create table t3 (col1 text, primary key(col1(768))) - character set = latin1 engine = innodb; ---error 1071 -create table t4 (col1 blob, primary key(col1(768))) - character set = latin1 engine = innodb; - -# -# Test improved foreign key error messages (bug #3443) -# - -CREATE TABLE t1 -( - id INT PRIMARY KEY -) ENGINE=InnoDB; - -CREATE TABLE t2 -( - v INT, - CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id) -) ENGINE=InnoDB; - ---error 1452 -INSERT INTO t2 VALUES(2); - -INSERT INTO t1 VALUES(1); -INSERT INTO t2 VALUES(1); - ---error 1451 -DELETE FROM t1 WHERE id = 1; - ---error 1217 -DROP TABLE t1; - -SET FOREIGN_KEY_CHECKS=0; -DROP TABLE t1; -SET FOREIGN_KEY_CHECKS=1; - ---error 1452 -INSERT INTO t2 VALUES(3); - -DROP TABLE t2; -# -# Test that checksum table uses a consistent read Bug #12669 -# -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=0; -checksum table t1; -connection b; -insert into t1 values(3); -connection a; -# -# Here checksum should not see insert -# -checksum table t1; -connection a; -commit; -checksum table t1; -commit; -drop table t1; -# -# autocommit = 1 -# -connection a; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2); -set autocommit=1; -checksum table t1; -connection b; -set autocommit=1; -insert into t1 values(3); -connection a; -# -# Here checksum sees insert -# -checksum table t1; -drop table t1; - -connection default; -disconnect a; -disconnect b; - -# tests for bugs #9802 and #13778 - -# test that FKs between invalid types are not accepted - -set foreign_key_checks=0; -create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' --- error 1005 -create table t1(a char(10) primary key, b varchar(20)) engine = innodb; -set foreign_key_checks=1; -drop table t2; - -# test that FKs between different charsets are not accepted in CREATE even -# when f_k_c is 0 - -set foreign_key_checks=0; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . master-data/ '' --- error 1005 -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8; -set foreign_key_checks=1; -drop table t1; - -# test that invalid datatype conversions with ALTER are not allowed - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb; -create table t1(a varchar(10) primary key) engine = innodb; --- error 1025,1025 -alter table t1 modify column a int; -set foreign_key_checks=1; -drop table t2,t1; - -# test that charset conversions with ALTER are allowed when f_k_c is 0 - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1; -alter table t1 convert to character set utf8; -set foreign_key_checks=1; -drop table t2,t1; - -# test that RENAME does not allow invalid charsets when f_k_c is 0 - -set foreign_key_checks=0; -create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1; -create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8; -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' --- error 1025 -rename table t3 to t1; -set foreign_key_checks=1; -drop table t2,t3; - -# test that foreign key errors are reported correctly (Bug #15550) - -create table t1(a int primary key) row_format=redundant engine=innodb; -create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb; -create table t3(a int primary key) row_format=compact engine=innodb; -create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb; - -insert into t1 values(1); -insert into t3 values(1); --- error 1452 -insert into t2 values(2); --- error 1452 -insert into t4 values(2); -insert into t2 values(1); -insert into t4 values(1); --- error 1451 -update t1 set a=2; --- error 1452 -update t2 set a=2; --- error 1451 -update t3 set a=2; --- error 1452 -update t4 set a=2; --- error 1451 -truncate t1; --- error 1451 -truncate t3; -truncate t2; -truncate t4; -truncate t1; -truncate t3; - -drop table t4,t3,t2,t1; - - -# -# Test that we can create a large (>1K) key -# -create table t1 (a varchar(255) character set utf8, - b varchar(255) character set utf8, - c varchar(255) character set utf8, - d varchar(255) character set utf8, - key (a,b,c,d)) engine=innodb; -drop table t1; ---error ER_TOO_LONG_KEY -create table t1 (a varchar(255) character set utf8, - b varchar(255) character set utf8, - c varchar(255) character set utf8, - d varchar(255) character set utf8, - e varchar(255) character set utf8, - key (a,b,c,d,e)) engine=innodb; - - -# test the padding of BINARY types and collations (Bug #14189) - -create table t1 (s1 varbinary(2),primary key (s1)) engine=innodb; -create table t2 (s1 binary(2),primary key (s1)) engine=innodb; -create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; -create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; - -insert into t1 values (0x41),(0x4120),(0x4100); --- error ER_DUP_ENTRY -insert into t2 values (0x41),(0x4120),(0x4100); -insert into t2 values (0x41),(0x4120); --- error ER_DUP_ENTRY -insert into t3 values (0x41),(0x4120),(0x4100); -insert into t3 values (0x41),(0x4100); --- error ER_DUP_ENTRY -insert into t4 values (0x41),(0x4120),(0x4100); -insert into t4 values (0x41),(0x4100); -select hex(s1) from t1; -select hex(s1) from t2; -select hex(s1) from t3; -select hex(s1) from t4; -drop table t1,t2,t3,t4; - -create table t1 (a int primary key,s1 varbinary(3) not null unique) engine=innodb; -create table t2 (s1 binary(2) not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; - -insert into t1 values(1,0x4100),(2,0x41),(3,0x4120),(4,0x42); --- error 1452 -insert into t2 values(0x42); -insert into t2 values(0x41); -select hex(s1) from t2; -update t1 set s1=0x123456 where a=2; -select hex(s1) from t2; --- error 1451 -update t1 set s1=0x12 where a=1; --- error 1451 -update t1 set s1=0x12345678 where a=1; --- error 1451 -update t1 set s1=0x123457 where a=1; -update t1 set s1=0x1220 where a=1; -select hex(s1) from t2; -update t1 set s1=0x1200 where a=1; -select hex(s1) from t2; -update t1 set s1=0x4200 where a=1; -select hex(s1) from t2; --- error 1451 -delete from t1 where a=1; -delete from t1 where a=2; -update t2 set s1=0x4120; --- error 1451 -delete from t1; -delete from t1 where a!=3; -select a,hex(s1) from t1; -select hex(s1) from t2; - -drop table t2,t1; - -create table t1 (a int primary key,s1 varchar(2) binary not null unique) engine=innodb; -create table t2 (s1 char(2) binary not null, constraint c foreign key(s1) references t1(s1) on update cascade) engine=innodb; - -insert into t1 values(1,0x4100),(2,0x41); -insert into t2 values(0x41); -select hex(s1) from t2; -update t1 set s1=0x1234 where a=1; -select hex(s1) from t2; -update t1 set s1=0x12 where a=2; -select hex(s1) from t2; -delete from t1 where a=1; --- error 1451 -delete from t1 where a=2; -select a,hex(s1) from t1; -select hex(s1) from t2; - -drop table t2,t1; -# Ensure that _ibfk_0 is not mistreated as a -# generated foreign key identifier. (Bug #16387) - -CREATE TABLE t1(a INT, PRIMARY KEY(a)) ENGINE=InnoDB; -CREATE TABLE t2(a INT) ENGINE=InnoDB; -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_1; -ALTER TABLE t2 ADD CONSTRAINT t2_ibfk_0 FOREIGN KEY (a) REFERENCES t1(a); -ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0; -SHOW CREATE TABLE t2; -DROP TABLE t2,t1; - -# -# Test case for bug #16229: MySQL/InnoDB uses full explicit table locks in trigger processing -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -connection b; -set autocommit = 0; -update t1 set b = 5 where a = 2; -connection a; -delimiter |; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -delimiter ;| -set autocommit = 0; -connection a; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -connection b; -commit; -connection a; -commit; -drop trigger t1t; -drop table t1; -disconnect a; -disconnect b; -# -# Another trigger test -# -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); - -delimiter |; -create trigger t1t before insert on t1 for each row begin - INSERT INTO t2 SET a = NEW.a; -end | - -create trigger t2t before insert on t2 for each row begin - DELETE FROM t3 WHERE a = NEW.a; -end | - -create trigger t3t before delete on t3 for each row begin - UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | - -create trigger t4t before update on t4 for each row begin - UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -delimiter ;| -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -connection b; -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; -connection default; -disconnect a; -disconnect b; - -# -# Test that cascading updates leading to duplicate keys give the correct -# error message (bug #9680) -# - -CREATE TABLE t1 ( - field1 varchar(8) NOT NULL DEFAULT '', - field2 varchar(8) NOT NULL DEFAULT '', - PRIMARY KEY (field1, field2) -) ENGINE=InnoDB; - -CREATE TABLE t2 ( - field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY, - FOREIGN KEY (field1) REFERENCES t1 (field1) - ON DELETE CASCADE ON UPDATE CASCADE -) ENGINE=InnoDB; - -INSERT INTO t1 VALUES ('old', 'somevalu'); -INSERT INTO t1 VALUES ('other', 'anyvalue'); - -INSERT INTO t2 VALUES ('old'); -INSERT INTO t2 VALUES ('other'); - ---error ER_FOREIGN_DUPLICATE_KEY -UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu'; - -DROP TABLE t2; -DROP TABLE t1; - -# -# Bug#18477 - MySQL/InnoDB Ignoring Foreign Keys in ALTER TABLE -# -create table t1 ( - c1 bigint not null, - c2 bigint not null, - primary key (c1), - unique key (c2) -) engine=innodb; -# -create table t2 ( - c1 bigint not null, - primary key (c1) -) engine=innodb; -# -alter table t1 add constraint c2_fk foreign key (c2) - references t2(c1) on delete cascade; -show create table t1; -# -alter table t1 drop foreign key c2_fk; -show create table t1; -# -drop table t1, t2; - -# -# Bug #14360: problem with intervals -# - -create table t1(a date) engine=innodb; -create table t2(a date, key(a)) engine=innodb; -insert into t1 values('2005-10-01'); -insert into t2 values('2005-10-01'); -select * from t1, t2 - where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; -drop table t1, t2; - -create table t1 (id int not null, f_id int not null, f int not null, -primary key(f_id, id)) engine=innodb; -create table t2 (id int not null,s_id int not null,s varchar(200), -primary key(id)) engine=innodb; -INSERT INTO t1 VALUES (8, 1, 3); -INSERT INTO t1 VALUES (1, 2, 1); -INSERT INTO t2 VALUES (1, 0, ''); -INSERT INTO t2 VALUES (8, 1, ''); -commit; -DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) -WHERE mm.id IS NULL; -select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) -where mm.id is null lock in share mode; -drop table t1,t2; - -# -# Test case where X-locks on unused rows should be released in a -# update (because READ COMMITTED isolation level) -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); -commit; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -update t1 set b = 5 where b = 1; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -# -# X-lock to record (7,3) should be released in a update -# -select * from t1 where a = 7 and b = 3 for update; -connection a; -commit; -connection b; -commit; -drop table t1; -connection default; -disconnect a; -disconnect b; - -# -# Test case where no locks should be released (because we are not -# using READ COMMITTED isolation level) -# - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2); -commit; -set autocommit = 0; -select * from t1 lock in share mode; -update t1 set b = 5 where b = 1; -connection b; -set autocommit = 0; -# -# S-lock to records (2,2),(4,2), and (6,2) should not be released in a update -# ---error 1205 -select * from t1 where a = 2 and b = 2 for update; -# -# X-lock to record (1,1),(3,1),(5,1) should not be released in a update -# ---error 1205 -connection a; -commit; -connection b; -commit; -connection default; -disconnect a; -disconnect b; -drop table t1; - -# -# Consistent read should be used in following selects -# -# 1) INSERT INTO ... SELECT -# 2) UPDATE ... = ( SELECT ...) -# 3) CREATE ... SELECT - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(d int not null, e int, primary key(d)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; -insert into t1 select * from t2; -update t1 set b = (select e from t2 where a = d); -create table t3(d int not null, e int, primary key(d)) engine=innodb -select * from t2; -commit; -connection a; -commit; -connection default; -disconnect a; -disconnect b; -drop table t1, t2, t3; - -# -# Consistent read should not be used if -# -# (a) isolation level is serializable OR -# (b) select ... lock in share mode OR -# (c) select ... for update -# -# in following queries: -# -# 1) INSERT INTO ... SELECT -# 2) UPDATE ... = ( SELECT ...) -# 3) CREATE ... SELECT - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connect (c,localhost,root,,); -connect (d,localhost,root,,); -connect (e,localhost,root,,); -connect (f,localhost,root,,); -connect (g,localhost,root,,); -connect (h,localhost,root,,); -connect (i,localhost,root,,); -connect (j,localhost,root,,); -connection a; -create table t1(a int not null, b int, primary key(a)) engine=innodb; -insert into t1 values (1,2),(5,3),(4,2); -create table t2(a int not null, b int, primary key(a)) engine=innodb; -insert into t2 values (8,6),(12,1),(3,1); -create table t3(d int not null, b int, primary key(d)) engine=innodb; -insert into t3 values (8,6),(12,1),(3,1); -create table t5(a int not null, b int, primary key(a)) engine=innodb; -insert into t5 values (1,2),(5,3),(4,2); -create table t6(d int not null, e int, primary key(d)) engine=innodb; -insert into t6 values (8,6),(12,1),(3,1); -create table t8(a int not null, b int, primary key(a)) engine=innodb; -insert into t8 values (1,2),(5,3),(4,2); -create table t9(d int not null, e int, primary key(d)) engine=innodb; -insert into t9 values (8,6),(12,1),(3,1); -commit; -set autocommit = 0; -select * from t2 for update; -connection b; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -insert into t1 select * from t2; -connection c; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -update t3 set b = (select b from t2 where a = d); -connection d; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; ---send -create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; -connection e; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -insert into t5 (select * from t2 lock in share mode); -connection f; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -update t6 set e = (select b from t2 where a = d lock in share mode); -connection g; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; -connection h; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -insert into t8 (select * from t2 for update); -connection i; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -update t9 set e = (select b from t2 where a = d for update); -connection j; -SET binlog_format='MIXED'; -set autocommit = 0; -SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; ---send -create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; - -connection b; ---error 1205 -reap; - -connection c; ---error 1205 -reap; - -connection d; ---error 1205 -reap; - -connection e; ---error 1205 -reap; - -connection f; ---error 1205 -reap; - -connection g; ---error 1205 -reap; - -connection h; ---error 1205 -reap; - -connection i; ---error 1205 -reap; - -connection j; ---error 1205 -reap; - -connection a; -commit; - -connection default; -disconnect a; -disconnect b; -disconnect c; -disconnect d; -disconnect e; -disconnect f; -disconnect g; -disconnect h; -disconnect i; -disconnect j; -drop table t1, t2, t3, t5, t6, t8, t9; - -# bug 18934, "InnoDB crashes when table uses column names like DB_ROW_ID" ---error ER_WRONG_COLUMN_NAME -CREATE TABLE t1 (DB_ROW_ID int) engine=innodb; - -# -# Bug #17152: Wrong result with BINARY comparison on aliased column -# - -CREATE TABLE t1 ( - a BIGINT(20) NOT NULL, - PRIMARY KEY (a) - ) ENGINE=INNODB DEFAULT CHARSET=UTF8; - -CREATE TABLE t2 ( - a BIGINT(20) NOT NULL, - b VARCHAR(128) NOT NULL, - c TEXT NOT NULL, - PRIMARY KEY (a,b), - KEY idx_t2_b_c (b,c(200)), - CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a) - ON DELETE CASCADE - ) ENGINE=INNODB DEFAULT CHARSET=UTF8; - -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1, 'bar', 'vbar'); -INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR'); -INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi'); -INSERT INTO t2 VALUES (1, 'customer_over', '1'); - -SELECT * FROM t2 WHERE b = 'customer_over'; -SELECT * FROM t2 WHERE BINARY b = 'customer_over'; -SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over'; -/* Bang: Empty result set, above was expected: */ -SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; -SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over'; - -drop table t2, t1; - -# -# Test optimize on table with open transaction -# - -CREATE TABLE t1 ( a int ) ENGINE=innodb; -BEGIN; -INSERT INTO t1 VALUES (1); -OPTIMIZE TABLE t1; -DROP TABLE t1; - -# -# Bug #24741 (existing cascade clauses disappear when adding foreign keys) -# - -CREATE TABLE t1 (id int PRIMARY KEY, f int NOT NULL, INDEX(f)) ENGINE=InnoDB; - -CREATE TABLE t2 (id int PRIMARY KEY, f INT NOT NULL, - CONSTRAINT t2_t1 FOREIGN KEY (id) REFERENCES t1 (id) - ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; - -ALTER TABLE t2 ADD FOREIGN KEY (f) REFERENCES t1 (f) ON -DELETE CASCADE ON UPDATE CASCADE; - -SHOW CREATE TABLE t2; -DROP TABLE t2, t1; - -# -# Bug #25927: Prevent ALTER TABLE ... MODIFY ... NOT NULL on columns -# for which there is a foreign key constraint ON ... SET NULL. -# - -CREATE TABLE t1 (a INT, INDEX(a)) ENGINE=InnoDB; -CREATE TABLE t2 (a INT, INDEX(a)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1 (a) ON DELETE SET NULL; -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' ---error 1025 -ALTER TABLE t2 MODIFY a INT NOT NULL; -DELETE FROM t1; -DROP TABLE t2,t1; - -# -# Bug #26835: table corruption after delete+insert -# - -CREATE TABLE t1 (a VARCHAR(5) COLLATE utf8_unicode_ci PRIMARY KEY) -ENGINE=InnoDB; -INSERT INTO t1 VALUES (0xEFBCA4EFBCA4EFBCA4); -DELETE FROM t1; -INSERT INTO t1 VALUES ('DDD'); -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug #23313 (AUTO_INCREMENT=# not reported back for InnoDB tables) -# Bug #21404 (AUTO_INCREMENT value reset when Adding FKEY (or ALTER?)) -# - -CREATE TABLE t1 (id int PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB -AUTO_INCREMENT=42; - -INSERT INTO t1 VALUES (0),(347),(0); -SELECT * FROM t1; - -SHOW CREATE TABLE t1; - -CREATE TABLE t2 (id int PRIMARY KEY) ENGINE=InnoDB; -INSERT INTO t2 VALUES(42),(347),(348); -ALTER TABLE t1 ADD CONSTRAINT t1_t2 FOREIGN KEY (id) REFERENCES t2(id); -SHOW CREATE TABLE t1; - -DROP TABLE t1,t2; - -# -# Bug #21101 (Prints wrong error message if max row size is too large) -# -set innodb_strict_mode=on; ---error 1118 -CREATE TABLE t1 ( - c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255), - c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255), - c09 CHAR(255), c10 CHAR(255), c11 CHAR(255), c12 CHAR(255), - c13 CHAR(255), c14 CHAR(255), c15 CHAR(255), c16 CHAR(255), - c17 CHAR(255), c18 CHAR(255), c19 CHAR(255), c20 CHAR(255), - c21 CHAR(255), c22 CHAR(255), c23 CHAR(255), c24 CHAR(255), - c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255), - c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255) - ) ENGINE = InnoDB; - -# -# Bug #31860 InnoDB assumes AUTOINC values can only be positive. -# -DROP TABLE IF EXISTS t1; -CREATE TABLE t1( - id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY - ) ENGINE=InnoDB; -INSERT INTO t1 VALUES(-10); -SELECT * FROM t1; -# -# NOTE: The server really needs to be restarted at this point -# for the test to be useful. -# -# Without the fix InnoDB would trip over an assertion here. -INSERT INTO t1 VALUES(NULL); -# The next value should be 1 and not -9 or a -ve number -SELECT * FROM t1; -DROP TABLE t1; - -# -# Bug #21409 Incorrect result returned when in READ-COMMITTED with -# query_cache ON -# -CONNECT (c1,localhost,root,,); -CONNECT (c2,localhost,root,,); -CONNECTION c1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -DROP TABLE IF EXISTS t1, t2; -CREATE TABLE t1 ( a int ) ENGINE=InnoDB; -CREATE TABLE t2 LIKE t1; -SELECT * FROM t2; -CONNECTION c2; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (1); -COMMIT; -CONNECTION c1; -SELECT * FROM t1 WHERE a=1; -DISCONNECT c1; -DISCONNECT c2; -CONNECT (c1,localhost,root,,); -CONNECT (c2,localhost,root,,); -CONNECTION c1; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -SELECT * FROM t2; -CONNECTION c2; -SET binlog_format='MIXED'; -SET TX_ISOLATION='read-committed'; -SET AUTOCOMMIT=0; -INSERT INTO t1 VALUES (2); -COMMIT; -CONNECTION c1; -# The result set below should be the same for both selects -SELECT * FROM t1 WHERE a=2; -SELECT * FROM t1 WHERE a=2; -DROP TABLE t1; -DROP TABLE t2; -DISCONNECT c1; -DISCONNECT c2; -CONNECTION default; - -# -# Bug #29157 UPDATE, changed rows incorrect -# -create table t1 (i int, j int) engine=innodb; -insert into t1 (i, j) values (1, 1), (2, 2); ---enable_info -update t1 set j = 2; ---disable_info -drop table t1; - -# -# Bug #32440 InnoDB free space info does not appear in SHOW TABLE STATUS or -# I_S -# -create table t1 (id int) comment='this is a comment' engine=innodb; -select table_comment, data_free > 0 as data_free_is_set - from information_schema.tables - where table_schema='test' and table_name = 't1'; -drop table t1; - -# -# Bug 34920 test -# -CONNECTION default; -CREATE TABLE t1 ( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, - c2 VARCHAR(128) NOT NULL, - PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=100; - -CREATE TABLE t2 ( - c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, - c2 INT(10) UNSIGNED DEFAULT NULL, - PRIMARY KEY(c1) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=200; - -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -ALTER TABLE t2 ADD CONSTRAINT t1_t2_1 FOREIGN KEY(c1) REFERENCES t1(c1); -SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't2'; -DROP TABLE t2; -DROP TABLE t1; -# End 34920 test -# -# Bug #29507 TRUNCATE shows to many rows effected -# -CONNECTION default; -CREATE TABLE t1 (c1 int default NULL, - c2 int default NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - ---enable_info -TRUNCATE TABLE t1; - -INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); -TRUNCATE TABLE t1; - ---disable_info -DROP TABLE t1; -# -# Bug#35537 Innodb doesn't increment handler_update and handler_delete. -# --- disable_query_log --- disable_result_log - -CONNECT (c1,localhost,root,,); - -DROP TABLE IF EXISTS bug35537; -CREATE TABLE bug35537 ( - c1 int -) ENGINE=InnoDB; - -INSERT INTO bug35537 VALUES (1); - --- enable_result_log - -SHOW SESSION STATUS LIKE 'Handler_update%'; -SHOW SESSION STATUS LIKE 'Handler_delete%'; - -UPDATE bug35537 SET c1 = 2 WHERE c1 = 1; -DELETE FROM bug35537 WHERE c1 = 2; - -SHOW SESSION STATUS LIKE 'Handler_update%'; -SHOW SESSION STATUS LIKE 'Handler_delete%'; - -DROP TABLE bug35537; - -DISCONNECT c1; -CONNECTION default; - -SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig; - --- enable_query_log - -####################################################################### -# # -# Please, DO NOT TOUCH this file as well as the innodb.result file. # -# These files are to be modified ONLY BY INNOBASE guys. # -# # -# Use innodb_mysql.[test|result] files instead. # -# # -# If nevertheless you need to make some changes here, please, forward # -# your commit message # -# To: innodb_dev_ww@oracle.com # -# Cc: dev-innodb@mysql.com # -# (otherwise your changes may be erased). # -# # -####################################################################### diff --git a/storage/innobase/mysql-test/innodb_bug21704.result b/storage/innobase/mysql-test/innodb_bug21704.result deleted file mode 100644 index ffbfa8a337e..00000000000 --- a/storage/innobase/mysql-test/innodb_bug21704.result +++ /dev/null @@ -1,55 +0,0 @@ -# -# Bug#21704: Renaming column does not update FK definition. -# - -# Test that it's not possible to rename columns participating in a -# foreign key (either in the referencing or referenced table). - -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -DROP TABLE IF EXISTS t3; -CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; -CREATE TABLE t2 (a INT PRIMARY KEY, b INT, -CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; -CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, -CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; -INSERT INTO t1 VALUES (1,1),(2,2),(3,3); -INSERT INTO t2 VALUES (1,1),(2,2),(3,3); -INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); - -# Test renaming the column in the referenced table. - -ALTER TABLE t1 CHANGE a c INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t1 CHANGE b c INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Test renaming the column in the referencing table - -ALTER TABLE t2 CHANGE a c INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t2 CHANGE b c INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Test with self-referential constraints - -ALTER TABLE t3 CHANGE a d INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) -ALTER TABLE t3 CHANGE b d INT; -ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150) -# Ensure that online column rename works. -ALTER TABLE t3 CHANGE c d INT; -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 - -# Cleanup. - -DROP TABLE t3; -DROP TABLE t2; -DROP TABLE t1; diff --git a/storage/innobase/mysql-test/innodb_bug21704.test b/storage/innobase/mysql-test/innodb_bug21704.test deleted file mode 100644 index c649b61034c..00000000000 --- a/storage/innobase/mysql-test/innodb_bug21704.test +++ /dev/null @@ -1,96 +0,0 @@ --- source include/have_innodb.inc - ---echo # ---echo # Bug#21704: Renaming column does not update FK definition. ---echo # - ---echo ---echo # Test that it's not possible to rename columns participating in a ---echo # foreign key (either in the referencing or referenced table). ---echo - ---disable_warnings -DROP TABLE IF EXISTS t1; -DROP TABLE IF EXISTS t2; -DROP TABLE IF EXISTS t3; ---enable_warnings - -CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB; - -CREATE TABLE t2 (a INT PRIMARY KEY, b INT, - CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; - -CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT, - CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a)) -ROW_FORMAT=COMPACT ENGINE=INNODB; - -INSERT INTO t1 VALUES (1,1),(2,2),(3,3); -INSERT INTO t2 VALUES (1,1),(2,2),(3,3); -INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3); - ---echo ---echo # Test renaming the column in the referenced table. ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t1 CHANGE a c INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t1 CHANGE b c INT; ---disable_info - ---echo ---echo # Test renaming the column in the referencing table ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t2 CHANGE a c INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t2 CHANGE b c INT; ---disable_info - ---echo ---echo # Test with self-referential constraints ---echo - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t3 CHANGE a d INT; - -# mysqltest first does replace_regex, then replace_result ---replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ '' ---error ER_ERROR_ON_RENAME -ALTER TABLE t3 CHANGE b d INT; - ---echo # Ensure that online column rename works. - ---enable_info -ALTER TABLE t3 CHANGE c d INT; ---disable_info - ---echo ---echo # Cleanup. ---echo - -DROP TABLE t3; -DROP TABLE t2; -DROP TABLE t1; diff --git a/storage/innobase/mysql-test/innodb_bug34053.result b/storage/innobase/mysql-test/innodb_bug34053.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/storage/innobase/mysql-test/innodb_bug34053.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/storage/innobase/mysql-test/innodb_bug34053.test b/storage/innobase/mysql-test/innodb_bug34053.test deleted file mode 100644 index b935e45c06d..00000000000 --- a/storage/innobase/mysql-test/innodb_bug34053.test +++ /dev/null @@ -1,50 +0,0 @@ -# -# Make sure http://bugs.mysql.com/34053 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting success or failure according to our -# expectations --- disable_query_log --- disable_result_log - -GRANT USAGE ON *.* TO 'shane'@'localhost' IDENTIFIED BY '12345'; -FLUSH PRIVILEGES; - --- connect (con1,localhost,shane,12345,) - --- connection con1 --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; -CREATE TABLE innodb_monitorx (a INT) ENGINE=INNODB; -DROP TABLE innodb_monitorx; -CREATE TABLE innodb_monito (a INT) ENGINE=INNODB; -DROP TABLE innodb_monito; -CREATE TABLE xinnodb_monitor (a INT) ENGINE=INNODB; -DROP TABLE xinnodb_monitor; -CREATE TABLE nnodb_monitor (a INT) ENGINE=INNODB; -DROP TABLE nnodb_monitor; - --- connection default -CREATE TABLE innodb_monitor (a INT) ENGINE=INNODB; -CREATE TABLE innodb_mem_validate (a INT) ENGINE=INNODB; - --- connection con1 --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -DROP TABLE innodb_monitor; --- error ER_SPECIFIC_ACCESS_DENIED_ERROR -DROP TABLE innodb_mem_validate; - --- connection default -DROP TABLE innodb_monitor; -DROP TABLE innodb_mem_validate; -DROP USER 'shane'@'localhost'; - --- disconnect con1 diff --git a/storage/innobase/mysql-test/innodb_bug34300.result b/storage/innobase/mysql-test/innodb_bug34300.result deleted file mode 100644 index ae9fee81ad7..00000000000 --- a/storage/innobase/mysql-test/innodb_bug34300.result +++ /dev/null @@ -1,4 +0,0 @@ -f4 f8 -xxx zzz -f4 f8 -xxx zzz diff --git a/storage/innobase/mysql-test/innodb_bug34300.test b/storage/innobase/mysql-test/innodb_bug34300.test deleted file mode 100644 index 68c385fd72a..00000000000 --- a/storage/innobase/mysql-test/innodb_bug34300.test +++ /dev/null @@ -1,34 +0,0 @@ -# -# Bug#34300 Tinyblob & tinytext fields currupted after export/import and alter in 5.1 -# http://bugs.mysql.com/34300 -# - --- source include/have_innodb.inc - --- disable_query_log --- disable_result_log - -# set packet size and reconnect -let $max_packet=`select @@global.max_allowed_packet`; -SET @@global.max_allowed_packet=16777216; ---connect (newconn, localhost, root,,) - -DROP TABLE IF EXISTS bug34300; -CREATE TABLE bug34300 ( - f4 TINYTEXT, - f6 MEDIUMTEXT, - f8 TINYBLOB -) ENGINE=InnoDB; - -INSERT INTO bug34300 VALUES ('xxx', repeat('a', 8459264), 'zzz'); - --- enable_result_log - -SELECT f4, f8 FROM bug34300; - -ALTER TABLE bug34300 ADD COLUMN (f10 INT); - -SELECT f4, f8 FROM bug34300; - -DROP TABLE bug34300; -EVAL SET @@global.max_allowed_packet=$max_packet; diff --git a/storage/innobase/mysql-test/innodb_bug35220.result b/storage/innobase/mysql-test/innodb_bug35220.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/storage/innobase/mysql-test/innodb_bug35220.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/storage/innobase/mysql-test/innodb_bug35220.test b/storage/innobase/mysql-test/innodb_bug35220.test deleted file mode 100644 index 26f7d6b1ddd..00000000000 --- a/storage/innobase/mysql-test/innodb_bug35220.test +++ /dev/null @@ -1,16 +0,0 @@ -# -# Bug#35220 ALTER TABLE too picky on reserved word "foreign" -# http://bugs.mysql.com/35220 -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not produce errors --- disable_query_log --- disable_result_log - -CREATE TABLE bug35220 (foreign_col INT, dummy_cant_delete_all_columns INT); -ALTER TABLE bug35220 DROP foreign_col; -DROP TABLE bug35220; diff --git a/storage/innobase/mysql-test/innodb_bug38231.result b/storage/innobase/mysql-test/innodb_bug38231.result deleted file mode 100644 index 2f909779755..00000000000 --- a/storage/innobase/mysql-test/innodb_bug38231.result +++ /dev/null @@ -1,11 +0,0 @@ -SET storage_engine=InnoDB; -INSERT INTO bug38231 VALUES (1), (10), (300); -SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; -a -1 -10 -300 -TRUNCATE TABLE bug38231; -COMMIT; -DROP TABLE bug38231; diff --git a/storage/innobase/mysql-test/innodb_bug38231.test b/storage/innobase/mysql-test/innodb_bug38231.test deleted file mode 100644 index 1611cb56203..00000000000 --- a/storage/innobase/mysql-test/innodb_bug38231.test +++ /dev/null @@ -1,112 +0,0 @@ -# -# Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK -# http://bugs.mysql.com/38231 -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not crash the server --- disable_query_log --- disable_result_log - -DROP TABLE IF EXISTS bug38231; -CREATE TABLE bug38231 (a INT); - --- connect (con1,localhost,root,,) --- connect (con2,localhost,root,,) --- connect (con3,localhost,root,,) - --- connection con1 -SET autocommit=0; -LOCK TABLE bug38231 WRITE; - --- connection con2 -SET autocommit=0; --- send -LOCK TABLE bug38231 WRITE; - -# When con1 does UNLOCK below this will release either con2 or con3 which are -# both waiting on LOCK. At the end we must first --reap and UNLOCK the -# connection that has been released, otherwise it will wait forever. We assume -# that the released connection will be the first one that has gained the LOCK, -# thus we force the order here - con2 does LOCK first, then con3. In other -# words we wait for LOCK from con2 above to be exected before doing LOCK in -# con3. --- connection con1 -let $wait_condition = - SELECT COUNT(*) = 1 FROM information_schema.processlist - WHERE info = 'LOCK TABLE bug38231 WRITE'; --- source include/wait_condition.inc -# the above enables query log, re-disable it --- disable_query_log - --- connection con3 -SET autocommit=0; --- send -LOCK TABLE bug38231 WRITE; - --- connection default --- send -TRUNCATE TABLE bug38231; - --- connection con1 -# Wait for TRUNCATE and the other two LOCKs to be executed; without this, -# sometimes UNLOCK executes before them. We assume there are no other -# sessions executing at the same time with the same SQL commands. -let $wait_condition = - SELECT COUNT(*) = 1 FROM information_schema.processlist - WHERE info = 'TRUNCATE TABLE bug38231'; --- source include/wait_condition.inc -let $wait_condition = - SELECT COUNT(*) = 2 FROM information_schema.processlist - WHERE info = 'LOCK TABLE bug38231 WRITE'; --- source include/wait_condition.inc -# the above enables query log, re-disable it --- disable_query_log - -# this crashes the server if the bug is present -UNLOCK TABLES; - -# clean up - --- connection con2 --- reap -UNLOCK TABLES; - --- connection con3 --- reap -UNLOCK TABLES; - --- connection default --- reap - --- disconnect con1 --- disconnect con2 --- disconnect con3 - -# test that TRUNCATE works with with row-level locks - --- enable_query_log --- enable_result_log - -INSERT INTO bug38231 VALUES (1), (10), (300); - --- connect (con4,localhost,root,,) - --- connection con4 -SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; - --- connection default -TRUNCATE TABLE bug38231; - --- connection con4 -COMMIT; - --- connection default - --- disconnect con4 - -DROP TABLE bug38231; diff --git a/storage/innobase/mysql-test/innodb_bug39438-master.opt b/storage/innobase/mysql-test/innodb_bug39438-master.opt deleted file mode 100644 index 43fac202fd4..00000000000 --- a/storage/innobase/mysql-test/innodb_bug39438-master.opt +++ /dev/null @@ -1 +0,0 @@ ---innodb-file-per-table=1 diff --git a/storage/innobase/mysql-test/innodb_bug39438.result b/storage/innobase/mysql-test/innodb_bug39438.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/storage/innobase/mysql-test/innodb_bug39438.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/storage/innobase/mysql-test/innodb_bug39438.test b/storage/innobase/mysql-test/innodb_bug39438.test deleted file mode 100644 index 52302871beb..00000000000 --- a/storage/innobase/mysql-test/innodb_bug39438.test +++ /dev/null @@ -1,51 +0,0 @@ -# -# Bug#39438 Testcase for Bug#39436 crashes on 5.1 in fil_space_get_latch -# http://bugs.mysql.com/39438 -# -# This test must be run with innodb_file_per_table=1 because the crash -# only occurs if that option is turned on and DISCARD TABLESPACE only -# works with innodb_file_per_table. -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we care only that the following SQL commands do not crash the server --- disable_query_log --- disable_result_log - -DROP TABLE IF EXISTS bug39438; - -CREATE TABLE bug39438 (id INT) ENGINE=INNODB; - -# remove: XXX Uncomment the following ALTER and remove those lines after -# remove: applying the patch. -# remove: Obviously this test is useless without this ALTER command, -# remove: but it causes warnings to be printed by mysqld and the whole -# remove: mysql-test suite fails at the end (returns non-zero). Please -# remove: apply this patch to the mysql source tree, remove those lines -# remove: and uncomment the following ALTER. We do not care about the -# remove: warnings, this test is to ensure mysqld does not crash. -# remove: === modified file 'mysql-test/lib/mtr_report.pl' -# remove: --- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000 -# remove: +++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000 -# remove: @@ -412,7 +412,10 @@ -# remove: -# remove: # When trying to set lower_case_table_names = 2 -# remove: # on a case sensitive file system. Bug#37402. -# remove: - /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ -# remove: + /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or -# remove: + -# remove: + # this test is expected to print warnings -# remove: + ($testname eq 'main.innodb_bug39438') -# remove: ) -# remove: { -# remove: next; # Skip these lines -# remove: -#ALTER TABLE bug39438 DISCARD TABLESPACE; - -# this crashes the server if the bug is present -SHOW TABLE STATUS; - -DROP TABLE bug39438; diff --git a/storage/innobase/mysql-test/innodb_bug40565.result b/storage/innobase/mysql-test/innodb_bug40565.result deleted file mode 100644 index 21e923d9336..00000000000 --- a/storage/innobase/mysql-test/innodb_bug40565.result +++ /dev/null @@ -1,9 +0,0 @@ -create table bug40565(value decimal(4,2)) engine=innodb; -insert into bug40565 values (1), (null); -update bug40565 set value=NULL; -affected rows: 1 -info: Rows matched: 2 Changed: 1 Warnings: 0 -update bug40565 set value=NULL; -affected rows: 0 -info: Rows matched: 2 Changed: 0 Warnings: 0 -drop table bug40565; diff --git a/storage/innobase/mysql-test/innodb_bug40565.test b/storage/innobase/mysql-test/innodb_bug40565.test deleted file mode 100644 index d7aa0fd514a..00000000000 --- a/storage/innobase/mysql-test/innodb_bug40565.test +++ /dev/null @@ -1,10 +0,0 @@ -# Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows" --- source include/have_innodb.inc - -create table bug40565(value decimal(4,2)) engine=innodb; -insert into bug40565 values (1), (null); ---enable_info -update bug40565 set value=NULL; -update bug40565 set value=NULL; ---disable_info -drop table bug40565; diff --git a/storage/innobase/mysql-test/innodb_bug42101-nonzero-master.opt b/storage/innobase/mysql-test/innodb_bug42101-nonzero-master.opt deleted file mode 100644 index 455d66a06b8..00000000000 --- a/storage/innobase/mysql-test/innodb_bug42101-nonzero-master.opt +++ /dev/null @@ -1 +0,0 @@ ---loose_innodb_commit_concurrency=1 diff --git a/storage/innobase/mysql-test/innodb_bug42101-nonzero.result b/storage/innobase/mysql-test/innodb_bug42101-nonzero.result deleted file mode 100644 index 277dfffdd35..00000000000 --- a/storage/innobase/mysql-test/innodb_bug42101-nonzero.result +++ /dev/null @@ -1,26 +0,0 @@ -set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -42 -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -1 diff --git a/storage/innobase/mysql-test/innodb_bug42101-nonzero.test b/storage/innobase/mysql-test/innodb_bug42101-nonzero.test deleted file mode 100644 index 685fdf20489..00000000000 --- a/storage/innobase/mysql-test/innodb_bug42101-nonzero.test +++ /dev/null @@ -1,21 +0,0 @@ -# -# Bug#42101 Race condition in innodb_commit_concurrency -# http://bugs.mysql.com/42101 -# - --- source include/have_innodb.inc - ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; diff --git a/storage/innobase/mysql-test/innodb_bug42101.result b/storage/innobase/mysql-test/innodb_bug42101.result deleted file mode 100644 index 805097ffe9d..00000000000 --- a/storage/innobase/mysql-test/innodb_bug42101.result +++ /dev/null @@ -1,22 +0,0 @@ -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=1; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=42; -ERROR HY000: Incorrect arguments to SET -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; -@@innodb_commit_concurrency -0 diff --git a/storage/innobase/mysql-test/innodb_bug42101.test b/storage/innobase/mysql-test/innodb_bug42101.test deleted file mode 100644 index b6536490d48..00000000000 --- a/storage/innobase/mysql-test/innodb_bug42101.test +++ /dev/null @@ -1,19 +0,0 @@ -# -# Bug#42101 Race condition in innodb_commit_concurrency -# http://bugs.mysql.com/42101 -# - --- source include/have_innodb.inc - -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=1; -select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS -set global innodb_commit_concurrency=42; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=0; -select @@innodb_commit_concurrency; -set global innodb_commit_concurrency=DEFAULT; -select @@innodb_commit_concurrency; diff --git a/storage/innobase/mysql-test/innodb_bug44369.result b/storage/innobase/mysql-test/innodb_bug44369.result deleted file mode 100644 index ff25c774aa2..00000000000 --- a/storage/innobase/mysql-test/innodb_bug44369.result +++ /dev/null @@ -1,6 +0,0 @@ -create table bug44369 (DB_ROW_ID int) engine=innodb; -ERROR 42000: Incorrect column name 'DB_ROW_ID' -create table bug44369 (db_row_id int) engine=innodb; -ERROR 42000: Incorrect column name 'db_row_id' -create table bug44369 (db_TRX_Id int) engine=innodb; -ERROR 42000: Incorrect column name 'db_TRX_Id' diff --git a/storage/innobase/mysql-test/innodb_bug44369.test b/storage/innobase/mysql-test/innodb_bug44369.test deleted file mode 100644 index f5d85cd5815..00000000000 --- a/storage/innobase/mysql-test/innodb_bug44369.test +++ /dev/null @@ -1,17 +0,0 @@ -# This is the test for bug 44369. We should -# block table creation with columns match -# some innodb internal reserved key words, -# both case sensitively and insensitely. - ---source include/have_innodb.inc - -# This create table operation should fail. ---error ER_WRONG_COLUMN_NAME -create table bug44369 (DB_ROW_ID int) engine=innodb; - -# This create should fail as well ---error ER_WRONG_COLUMN_NAME -create table bug44369 (db_row_id int) engine=innodb; - ---error ER_WRONG_COLUMN_NAME -create table bug44369 (db_TRX_Id int) engine=innodb; diff --git a/storage/innobase/mysql-test/innodb_bug44571.result b/storage/innobase/mysql-test/innodb_bug44571.result deleted file mode 100644 index 7ee7820a02d..00000000000 --- a/storage/innobase/mysql-test/innodb_bug44571.result +++ /dev/null @@ -1,8 +0,0 @@ -CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; -ALTER TABLE bug44571 CHANGE foo bar INT; -ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -ERROR 42000: Key column 'foo' doesn't exist in table -ALTER TABLE bug44571 ADD INDEX bug44571c (bar); -DROP INDEX bug44571c ON bug44571; -CREATE INDEX bug44571c ON bug44571 (bar); -DROP TABLE bug44571; diff --git a/storage/innobase/mysql-test/innodb_bug44571.test b/storage/innobase/mysql-test/innodb_bug44571.test deleted file mode 100644 index 91b6722d8af..00000000000 --- a/storage/innobase/mysql-test/innodb_bug44571.test +++ /dev/null @@ -1,22 +0,0 @@ -# -# Bug#44571 InnoDB Plugin crashes on ADD INDEX -# http://bugs.mysql.com/44571 -# Please also refer to related fix in -# http://bugs.mysql.com/47621 -# --- source include/have_innodb.inc - -CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB; -ALTER TABLE bug44571 CHANGE foo bar INT; -# Create index with the old column name will fail, -# because the CHANGE foo bar is successful. And -# the column name change would communicate to -# InnoDB with the fix from bug #47621 --- error ER_KEY_COLUMN_DOES_NOT_EXITS -ALTER TABLE bug44571 ADD INDEX bug44571b (foo); -# The following create indexes should succeed, -# indirectly confirm the CHANGE foo bar is successful. -ALTER TABLE bug44571 ADD INDEX bug44571c (bar); -DROP INDEX bug44571c ON bug44571; -CREATE INDEX bug44571c ON bug44571 (bar); -DROP TABLE bug44571; diff --git a/storage/innobase/mysql-test/innodb_bug45357.result b/storage/innobase/mysql-test/innodb_bug45357.result deleted file mode 100644 index 7adeff2062f..00000000000 --- a/storage/innobase/mysql-test/innodb_bug45357.result +++ /dev/null @@ -1,7 +0,0 @@ -set session transaction isolation level read committed; -create table bug45357(a int, b int,key(b))engine=innodb; -insert into bug45357 values (25170,6122); -update bug45357 set a=1 where b=30131; -delete from bug45357 where b < 20996; -delete from bug45357 where b < 7001; -drop table bug45357; diff --git a/storage/innobase/mysql-test/innodb_bug45357.test b/storage/innobase/mysql-test/innodb_bug45357.test deleted file mode 100644 index 81727f352dd..00000000000 --- a/storage/innobase/mysql-test/innodb_bug45357.test +++ /dev/null @@ -1,10 +0,0 @@ --- source include/have_innodb.inc - -set session transaction isolation level read committed; - -create table bug45357(a int, b int,key(b))engine=innodb; -insert into bug45357 values (25170,6122); -update bug45357 set a=1 where b=30131; -delete from bug45357 where b < 20996; -delete from bug45357 where b < 7001; -drop table bug45357; diff --git a/storage/innobase/mysql-test/innodb_bug46000.result b/storage/innobase/mysql-test/innodb_bug46000.result deleted file mode 100644 index c8e3db8d641..00000000000 --- a/storage/innobase/mysql-test/innodb_bug46000.result +++ /dev/null @@ -1,19 +0,0 @@ -create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -show warnings; -Level Code Message -Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. -Error 1280 Incorrect index name 'GEN_CLUST_INDEX' -Error 1005 Can't create table 'test.bug46000' (errno: -1) -create table bug46000(id int) engine=innodb; -create index GEN_CLUST_INDEX on bug46000(id); -ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX' -show warnings; -Level Code Message -Warning 1280 Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index. -Error 1280 Incorrect index name 'GEN_CLUST_INDEX' -Error 1030 Got error -1 from storage engine -create index idx on bug46000(id); -drop table bug46000; diff --git a/storage/innobase/mysql-test/innodb_bug46000.test b/storage/innobase/mysql-test/innodb_bug46000.test deleted file mode 100644 index 5a3c666326e..00000000000 --- a/storage/innobase/mysql-test/innodb_bug46000.test +++ /dev/null @@ -1,32 +0,0 @@ -# This is the test for bug 46000. We shall -# block any index creation with the name of -# "GEN_CLUST_INDEX", which is the reserved -# name for innodb default primary index. - ---source include/have_innodb.inc - -# This 'create table' operation should fail because of -# using the reserve name as its index name. ---error ER_WRONG_NAME_FOR_INDEX -create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb; - -# Mixed upper/lower case of the reserved key words ---error ER_WRONG_NAME_FOR_INDEX -create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb; - -show warnings; - -create table bug46000(id int) engine=innodb; - -# This 'create index' operation should fail. ---error ER_WRONG_NAME_FOR_INDEX -create index GEN_CLUST_INDEX on bug46000(id); - -show warnings; - -# This 'create index' operation should succeed, no -# temp table left from last failed create index -# operation. -create index idx on bug46000(id); - -drop table bug46000; diff --git a/storage/innobase/mysql-test/innodb_bug47777.result b/storage/innobase/mysql-test/innodb_bug47777.result deleted file mode 100644 index fbba47edcfc..00000000000 --- a/storage/innobase/mysql-test/innodb_bug47777.result +++ /dev/null @@ -1,13 +0,0 @@ -create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; -insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -count(*) -1 -update bug47777 set c2=GeomFromText('POINT(1 1)'); -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -count(*) -0 -select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); -count(*) -1 -drop table bug47777; diff --git a/storage/innobase/mysql-test/innodb_bug47777.test b/storage/innobase/mysql-test/innodb_bug47777.test deleted file mode 100644 index 8f2985b2cf0..00000000000 --- a/storage/innobase/mysql-test/innodb_bug47777.test +++ /dev/null @@ -1,24 +0,0 @@ -# This is the test for bug 47777. GEOMETRY -# data is treated as BLOB data in innodb. -# Consequently, its key value generation/storing -# should follow the process for the BLOB -# datatype as well. - ---source include/have_innodb.inc - -create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb; - -insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)')); - -# Verify correct row get inserted. -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); - -# Update table bug47777 should be successful. -update bug47777 set c2=GeomFromText('POINT(1 1)'); - -# Verify the row get updated successfully. The original -# c2 value should be changed to GeomFromText('POINT(1 1)'). -select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'); -select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)'); - -drop table bug47777; diff --git a/storage/innobase/mysql-test/innodb_trx_weight.inc b/storage/innobase/mysql-test/innodb_trx_weight.inc deleted file mode 100644 index 56d3d47da36..00000000000 --- a/storage/innobase/mysql-test/innodb_trx_weight.inc +++ /dev/null @@ -1,51 +0,0 @@ --- connect (con1,localhost,root,,) --- connect (con2,localhost,root,,) - --- connection con1 -SET autocommit=0; -SELECT * FROM t1 FOR UPDATE; --- if ($con1_extra_sql_present) { - -- eval $con1_extra_sql --- } - --- connection con2 -SET autocommit=0; -SELECT * FROM t2 FOR UPDATE; --- if ($con2_extra_sql_present) { - -- eval $con2_extra_sql --- } - --- if ($con1_should_be_rolledback) { - -- connection con1 - -- send - INSERT INTO t2 VALUES (0); - - -- connection con2 - INSERT INTO t1 VALUES (0); - ROLLBACK; - - -- connection con1 - -- error ER_LOCK_DEADLOCK - -- reap --- } -# else --- if (!$con1_should_be_rolledback) { - -- connection con2 - -- send - INSERT INTO t1 VALUES (0); - - -- connection con1 - INSERT INTO t2 VALUES (0); - ROLLBACK; - - -- connection con2 - -- error ER_LOCK_DEADLOCK - -- reap --- } - --- connection default - -DELETE FROM t5_nontrans; - --- disconnect con1 --- disconnect con2 diff --git a/storage/innobase/mysql-test/innodb_trx_weight.result b/storage/innobase/mysql-test/innodb_trx_weight.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/storage/innobase/mysql-test/innodb_trx_weight.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/storage/innobase/mysql-test/innodb_trx_weight.test b/storage/innobase/mysql-test/innodb_trx_weight.test deleted file mode 100644 index b72eaad345f..00000000000 --- a/storage/innobase/mysql-test/innodb_trx_weight.test +++ /dev/null @@ -1,108 +0,0 @@ -# -# Ensure that the number of locks (SELECT FOR UPDATE for example) is -# added to the number of altered rows when choosing the smallest -# transaction to kill as a victim when a deadlock is detected. -# Also transactions what had edited non-transactional tables should -# be heavier than ones that had not. -# - --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting the deadlock resolved according to our -# expectations --- disable_query_log --- disable_result_log - -# we want to use "-- eval statement1; statement2" which does not work with -# prepared statements. Because this test should not behave differently with -# or without prepared statements we disable them so the test does not fail -# if someone runs ./mysql-test-run.pl --ps-protocol --- disable_ps_protocol - --- disable_warnings -DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans; --- enable_warnings - -# we will create a simple deadlock with t1, t2 and two connections -CREATE TABLE t1 (a INT); -CREATE TABLE t2 (a INT); - -# auxiliary table with a bulk of rows which will be locked by a -# transaction to increase its weight -CREATE TABLE t3 (a INT); - -# auxiliary empty table which will be inserted by a -# transaction to increase its weight -CREATE TABLE t4 (a INT); - -# auxiliary non-transactional table which will be edited by a -# transaction to tremendously increase its weight -CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM; - -INSERT INTO t1 VALUES (1); -INSERT INTO t2 VALUES (1); -# insert a lot of rows in t3 -INSERT INTO t3 VALUES (1); -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; -INSERT INTO t3 SELECT * FROM t3; - -# test locking weight - --- let $con1_extra_sql = --- let $con1_extra_sql_present = 0 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - -# test weight when non-transactional tables are edited - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = --- let $con2_extra_sql_present = 0 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 1 --- source include/innodb_trx_weight.inc - --- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1) --- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1) --- let $con1_extra_sql_present = 1 --- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1) --- let $con2_extra_sql_present = 1 --- let $con1_should_be_rolledback = 0 --- source include/innodb_trx_weight.inc - -DROP TABLE t1, t2, t3, t4, t5_nontrans; From 818b32c4b90fd3a52edd1a31ea5f73cfc8fdc5b7 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 14:53:08 +0300 Subject: [PATCH 212/400] Update the result file for sys_vars.all_vars since the imported InnoDB provides a few more config variables. --- mysql-test/suite/sys_vars/r/all_vars.result | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mysql-test/suite/sys_vars/r/all_vars.result b/mysql-test/suite/sys_vars/r/all_vars.result index 0f741ff930a..564f587049f 100644 --- a/mysql-test/suite/sys_vars/r/all_vars.result +++ b/mysql-test/suite/sys_vars/r/all_vars.result @@ -10,5 +10,11 @@ There should be *no* long test name listed below: select variable_name as `There should be *no* variables listed below:` from t2 left join t1 on variable_name=test_name where test_name is null; There should be *no* variables listed below: +INNODB_USE_NATIVE_AIO +INNODB_PURGE_THREADS +INNODB_PURGE_BATCH_SIZE +INNODB_USE_NATIVE_AIO +INNODB_PURGE_THREADS +INNODB_PURGE_BATCH_SIZE drop table t1; drop table t2; From 3b4be648f0cb8731d358893d47010b4b9116be3a Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 15:05:56 +0300 Subject: [PATCH 213/400] Update the sys_vars.innodb_change_buffering_basic mysql-test since the imported InnoDB provides more values for "innodb_change_buffering". --- .../r/innodb_change_buffering_basic.result | 20 +++++++++---------- .../t/innodb_change_buffering_basic.test | 4 ++-- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result b/mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result index 70b0425ce6f..f80ed54100f 100644 --- a/mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result +++ b/mysql-test/suite/sys_vars/r/innodb_change_buffering_basic.result @@ -1,28 +1,28 @@ SET @start_global_value = @@global.innodb_change_buffering; SELECT @start_global_value; @start_global_value -inserts -Valid values are 'inserts' and 'none' -select @@global.innodb_change_buffering in ('inserts', 'none'); -@@global.innodb_change_buffering in ('inserts', 'none') +all +Valid values are 'all', 'deletes', 'changes', 'inserts', 'none', 'purges' +select @@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges'); +@@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges') 1 select @@global.innodb_change_buffering; @@global.innodb_change_buffering -inserts +all select @@session.innodb_change_buffering; ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable show global variables like 'innodb_change_buffering'; Variable_name Value -innodb_change_buffering inserts +innodb_change_buffering all show session variables like 'innodb_change_buffering'; Variable_name Value -innodb_change_buffering inserts +innodb_change_buffering all select * from information_schema.global_variables where variable_name='innodb_change_buffering'; VARIABLE_NAME VARIABLE_VALUE -INNODB_CHANGE_BUFFERING inserts +INNODB_CHANGE_BUFFERING all select * from information_schema.session_variables where variable_name='innodb_change_buffering'; VARIABLE_NAME VARIABLE_VALUE -INNODB_CHANGE_BUFFERING inserts +INNODB_CHANGE_BUFFERING all set global innodb_change_buffering='none'; select @@global.innodb_change_buffering; @@global.innodb_change_buffering @@ -60,4 +60,4 @@ ERROR 42000: Variable 'innodb_change_buffering' can't be set to the value of 'so SET @@global.innodb_change_buffering = @start_global_value; SELECT @@global.innodb_change_buffering; @@global.innodb_change_buffering -inserts +all diff --git a/mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test b/mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test index 65e36aa9cb3..abdfddb4c4b 100644 --- a/mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test +++ b/mysql-test/suite/sys_vars/t/innodb_change_buffering_basic.test @@ -11,8 +11,8 @@ SELECT @start_global_value; # # exists as global only # ---echo Valid values are 'inserts' and 'none' -select @@global.innodb_change_buffering in ('inserts', 'none'); +--echo Valid values are 'all', 'deletes', 'changes', 'inserts', 'none', 'purges' +select @@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges'); select @@global.innodb_change_buffering; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.innodb_change_buffering; From bf13237447b8a74faba1c412d7f3ccc34b32d2ea Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:24:33 +0300 Subject: [PATCH 214/400] Update mysql-test innodb_bug42101-nonzero to match the latest behavior (different error number). --- mysql-test/r/innodb_bug42101-nonzero.result | 4 ++-- mysql-test/t/innodb_bug42101-nonzero.test | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/mysql-test/r/innodb_bug42101-nonzero.result b/mysql-test/r/innodb_bug42101-nonzero.result index 277dfffdd35..f43cb9da239 100644 --- a/mysql-test/r/innodb_bug42101-nonzero.result +++ b/mysql-test/r/innodb_bug42101-nonzero.result @@ -1,5 +1,5 @@ set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '0' select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 @@ -16,7 +16,7 @@ select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 set global innodb_commit_concurrency=0; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '0' select @@innodb_commit_concurrency; @@innodb_commit_concurrency 1 diff --git a/mysql-test/t/innodb_bug42101-nonzero.test b/mysql-test/t/innodb_bug42101-nonzero.test index 685fdf20489..2e4cf1f46dd 100644 --- a/mysql-test/t/innodb_bug42101-nonzero.test +++ b/mysql-test/t/innodb_bug42101-nonzero.test @@ -5,7 +5,7 @@ -- source include/have_innodb.inc ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=1; @@ -14,7 +14,7 @@ set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=DEFAULT; select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=1; From f229524c213d09b40d341b4da6a13cc0ca59c320 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:26:47 +0300 Subject: [PATCH 215/400] Update mysql-test innodb-autoinc-44030 to match the latest behavior of the mysql server - data dictionaries do not go out of sync now. --- mysql-test/r/innodb-autoinc-44030.result | 4 ++-- mysql-test/t/innodb-autoinc-44030.test | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/mysql-test/r/innodb-autoinc-44030.result b/mysql-test/r/innodb-autoinc-44030.result index c0695bf0be0..54e972843f5 100644 --- a/mysql-test/r/innodb-autoinc-44030.result +++ b/mysql-test/r/innodb-autoinc-44030.result @@ -13,18 +13,18 @@ d1 1 2 INSERT INTO t1 VALUES(null); -Got one of the listed errors ALTER TABLE t1 AUTO_INCREMENT = 3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d1` int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (`d1`) -) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 +) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 INSERT INTO t1 VALUES(null); SELECT * FROM t1; d1 1 2 3 +4 DROP TABLE t1; diff --git a/mysql-test/t/innodb-autoinc-44030.test b/mysql-test/t/innodb-autoinc-44030.test index af2e3015280..02c50ee6ef3 100644 --- a/mysql-test/t/innodb-autoinc-44030.test +++ b/mysql-test/t/innodb-autoinc-44030.test @@ -25,7 +25,7 @@ SELECT * FROM t1; # longer results in the two data dictionaries being out of sync. If they # revert their changes then this check for ER_AUTOINC_READ_FAILED will need # to be enabled. Also, see http://bugs.mysql.com/bug.php?id=47621. --- error ER_AUTOINC_READ_FAILED,1467 +#-- error ER_AUTOINC_READ_FAILED,1467 INSERT INTO t1 VALUES(null); ALTER TABLE t1 AUTO_INCREMENT = 3; SHOW CREATE TABLE t1; From 681e3dd164ec331bc0324510b70b0771f8181974 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:30:07 +0300 Subject: [PATCH 216/400] Update mysql-test innodb_bug42101 to match the latest behavior (different error number). --- mysql-test/r/innodb_bug42101.result | 4 ++-- mysql-test/t/innodb_bug42101.test | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/mysql-test/r/innodb_bug42101.result b/mysql-test/r/innodb_bug42101.result index 805097ffe9d..4e3367d5a54 100644 --- a/mysql-test/r/innodb_bug42101.result +++ b/mysql-test/r/innodb_bug42101.result @@ -3,12 +3,12 @@ select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 set global innodb_commit_concurrency=1; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '1' select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 set global innodb_commit_concurrency=42; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '42' select @@innodb_commit_concurrency; @@innodb_commit_concurrency 0 diff --git a/mysql-test/t/innodb_bug42101.test b/mysql-test/t/innodb_bug42101.test index b6536490d48..f0b88e034a0 100644 --- a/mysql-test/t/innodb_bug42101.test +++ b/mysql-test/t/innodb_bug42101.test @@ -7,10 +7,10 @@ set global innodb_commit_concurrency=0; select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_commit_concurrency=1; select @@innodb_commit_concurrency; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_commit_concurrency=42; select @@innodb_commit_concurrency; set global innodb_commit_concurrency=0; From ab297b14021793b4095dfc8939658ff5220e795c Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:40:24 +0300 Subject: [PATCH 217/400] Update mysql-test innodb-zip to match the latest behavior (different error number). --- mysql-test/r/innodb-zip.result | 12 ++++++------ mysql-test/t/innodb-zip.test | 12 ++++++------ 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/mysql-test/r/innodb-zip.result b/mysql-test/r/innodb-zip.result index 21396d81ba8..bcd3849238f 100644 --- a/mysql-test/r/innodb-zip.result +++ b/mysql-test/r/innodb-zip.result @@ -173,19 +173,19 @@ select @@innodb_file_format; @@innodb_file_format Barracuda set global innodb_file_format=`2`; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '2' set global innodb_file_format=`-1`; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '-1' set global innodb_file_format=`Antelope`; set global innodb_file_format=`Barracuda`; set global innodb_file_format=`Cheetah`; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'Cheetah' set global innodb_file_format=`abc`; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'abc' set global innodb_file_format=`1a`; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '1a' set global innodb_file_format=``; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '' set global innodb_file_per_table = on; set global innodb_file_format = `1`; set innodb_strict_mode = off; diff --git a/mysql-test/t/innodb-zip.test b/mysql-test/t/innodb-zip.test index fdb9b89e37a..eb517563416 100644 --- a/mysql-test/t/innodb-zip.test +++ b/mysql-test/t/innodb-zip.test @@ -142,19 +142,19 @@ set global innodb_file_format=`0`; select @@innodb_file_format; set global innodb_file_format=`1`; select @@innodb_file_format; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=`2`; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=`-1`; set global innodb_file_format=`Antelope`; set global innodb_file_format=`Barracuda`; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=`Cheetah`; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=`abc`; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=`1a`; --- error ER_WRONG_ARGUMENTS +-- error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=``; #test strict mode. From 501da6811b46166b0d3bbbbe2966e4da8fd4160a Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:42:17 +0300 Subject: [PATCH 218/400] Update mysql-test innodb_file_format to match the latest behavior (different error number). --- mysql-test/r/innodb_file_format.result | 12 ++++++------ mysql-test/t/innodb_file_format.test | 12 ++++++------ 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/mysql-test/r/innodb_file_format.result b/mysql-test/r/innodb_file_format.result index 86d60706084..6a573d8658e 100644 --- a/mysql-test/r/innodb_file_format.result +++ b/mysql-test/r/innodb_file_format.result @@ -7,7 +7,7 @@ Antelope set global innodb_file_format=antelope; set global innodb_file_format=barracuda; set global innodb_file_format=cheetah; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'cheetah' select @@innodb_file_format; @@innodb_file_format Barracuda @@ -16,16 +16,16 @@ select @@innodb_file_format; @@innodb_file_format Antelope set global innodb_file_format=on; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'ON' set global innodb_file_format=off; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'off' select @@innodb_file_format; @@innodb_file_format Antelope set global innodb_file_format_check=antelope; set global innodb_file_format_check=barracuda; set global innodb_file_format_check=cheetah; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format_check' can't be set to the value of 'cheetah' select @@innodb_file_format_check; @@innodb_file_format_check Barracuda @@ -34,9 +34,9 @@ select @@innodb_file_format_check; @@innodb_file_format_check Barracuda set global innodb_file_format=on; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'ON' set global innodb_file_format=off; -ERROR HY000: Incorrect arguments to SET +ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'off' select @@innodb_file_format_check; @@innodb_file_format_check Barracuda diff --git a/mysql-test/t/innodb_file_format.test b/mysql-test/t/innodb_file_format.test index d63c9b0228f..5d094cb9dba 100644 --- a/mysql-test/t/innodb_file_format.test +++ b/mysql-test/t/innodb_file_format.test @@ -4,26 +4,26 @@ select @@innodb_file_format; select @@innodb_file_format_check; set global innodb_file_format=antelope; set global innodb_file_format=barracuda; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=cheetah; select @@innodb_file_format; set global innodb_file_format=default; select @@innodb_file_format; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=on; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=off; select @@innodb_file_format; set global innodb_file_format_check=antelope; set global innodb_file_format_check=barracuda; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format_check=cheetah; select @@innodb_file_format_check; set global innodb_file_format_check=default; select @@innodb_file_format_check; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=on; ---error ER_WRONG_ARGUMENTS +--error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=off; select @@innodb_file_format_check; set global innodb_file_format_check=antelope; From 57fb7ed6782ddc200ddffa01606dcea5d90fa80d Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 18:59:34 +0300 Subject: [PATCH 219/400] Remove "loose" prefix from options from InnoDB mysql-tests. It was inherited from the InnoDB Plugin and is not required anymore. --- mysql-test/t/innodb-consistent-master.opt | 2 +- mysql-test/t/innodb-master.opt | 2 +- mysql-test/t/innodb-semi-consistent-master.opt | 2 +- mysql-test/t/innodb-use-sys-malloc-master.opt | 2 +- mysql-test/t/innodb_bug42101-nonzero-master.opt | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/mysql-test/t/innodb-consistent-master.opt b/mysql-test/t/innodb-consistent-master.opt index cb48f1aaf60..e76299453d3 100644 --- a/mysql-test/t/innodb-consistent-master.opt +++ b/mysql-test/t/innodb-consistent-master.opt @@ -1 +1 @@ ---loose-innodb_lock_wait_timeout=2 +--innodb_lock_wait_timeout=2 diff --git a/mysql-test/t/innodb-master.opt b/mysql-test/t/innodb-master.opt index 72c88068345..4901efb416c 100644 --- a/mysql-test/t/innodb-master.opt +++ b/mysql-test/t/innodb-master.opt @@ -1 +1 @@ ---binlog_cache_size=32768 --loose_innodb_lock_wait_timeout=1 +--binlog_cache_size=32768 --innodb_lock_wait_timeout=1 diff --git a/mysql-test/t/innodb-semi-consistent-master.opt b/mysql-test/t/innodb-semi-consistent-master.opt index cb48f1aaf60..e76299453d3 100644 --- a/mysql-test/t/innodb-semi-consistent-master.opt +++ b/mysql-test/t/innodb-semi-consistent-master.opt @@ -1 +1 @@ ---loose-innodb_lock_wait_timeout=2 +--innodb_lock_wait_timeout=2 diff --git a/mysql-test/t/innodb-use-sys-malloc-master.opt b/mysql-test/t/innodb-use-sys-malloc-master.opt index fc8582b5887..acf3b8729ed 100644 --- a/mysql-test/t/innodb-use-sys-malloc-master.opt +++ b/mysql-test/t/innodb-use-sys-malloc-master.opt @@ -1 +1 @@ ---loose-innodb-use-sys-malloc=true +--innodb-use-sys-malloc=true diff --git a/mysql-test/t/innodb_bug42101-nonzero-master.opt b/mysql-test/t/innodb_bug42101-nonzero-master.opt index 455d66a06b8..d71dbe17d5b 100644 --- a/mysql-test/t/innodb_bug42101-nonzero-master.opt +++ b/mysql-test/t/innodb_bug42101-nonzero-master.opt @@ -1 +1 @@ ---loose_innodb_commit_concurrency=1 +--innodb_commit_concurrency=1 From 8516962bfcc42aa08e4925152fb2e022755b34f0 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 21:17:50 +0300 Subject: [PATCH 220/400] Disable parts of the innodb-index test that are not prepared for the metadata locks that were added at the MySQL level as part of the fix for Bug#45225 Locking: hang if drop table with no timeout --- mysql-test/r/innodb-index.result | 78 -------------- mysql-test/t/innodb-index.test | 173 +++++++++++++++++-------------- 2 files changed, 93 insertions(+), 158 deletions(-) diff --git a/mysql-test/r/innodb-index.result b/mysql-test/r/innodb-index.result index f384b825a2c..5d67a06b80f 100644 --- a/mysql-test/r/innodb-index.result +++ b/mysql-test/r/innodb-index.result @@ -835,48 +835,6 @@ test.t1 check status OK explain select * from t1 where b like 'adfd%'; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; -set innodb_lock_wait_timeout=1; -begin; -select a from t1 limit 1 for update; -a -22 -set innodb_lock_wait_timeout=1; -create index t1ba on t1 (b,a); -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -begin; -select a from t1 limit 1 lock in share mode; -a -22 -create index t1ba on t1 (b,a); -drop index t1ba on t1; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL t1ba 261 NULL 15 Using index -select a,sleep(2+a/100) from t1 order by b limit 3; -select sleep(1); -sleep(1) -0 -drop index t1ba on t1; -a sleep(2+a/100) -22 0 -44 0 -66 0 -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 261 NULL 15 Using index; Using filesort -select a from t1 order by b limit 3; -a -22 -66 -44 -commit; drop table t1; set global innodb_file_per_table=on; set global innodb_file_format='Barracuda'; @@ -1127,39 +1085,3 @@ t2 CREATE TABLE `t2` ( ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t2; DROP TABLE t1; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -BEGIN; -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -CREATE INDEX t1a ON t1(a); -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -ERROR HY000: Table definition has changed, please retry transaction -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -a b -0 d -1 c -1 e -3 a -3 b -DROP TABLE t1; diff --git a/mysql-test/t/innodb-index.test b/mysql-test/t/innodb-index.test index da1bc543ae9..f7cf3050704 100644 --- a/mysql-test/t/innodb-index.test +++ b/mysql-test/t/innodb-index.test @@ -288,66 +288,73 @@ show create table t1; check table t1; explain select * from t1 where b like 'adfd%'; +# The following tests are disabled because of the introduced timeouts for +# metadata locks at the MySQL level as part of the fix for +# Bug#45225 Locking: hang if drop table with no timeout +# The following commands now play with MySQL metadata locks instead of +# InnoDB locks +# start disabled45225_1 +## +## Test locking +## # -# Test locking +#create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; +#insert into t2 select a,left(b,255) from t1; +#drop table t1; +#rename table t2 to t1; # - -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set innodb_lock_wait_timeout=1; -begin; -# Obtain an IX lock on the table -select a from t1 limit 1 for update; -connection b; -set innodb_lock_wait_timeout=1; -# This would require an S lock on the table, conflicting with the IX lock. ---error ER_LOCK_WAIT_TIMEOUT -create index t1ba on t1 (b,a); -connection a; -commit; -begin; -# Obtain an IS lock on the table -select a from t1 limit 1 lock in share mode; -connection b; -# This will require an S lock on the table. No conflict with the IS lock. -create index t1ba on t1 (b,a); -# This would require an X lock on the table, conflicting with the IS lock. ---error ER_LOCK_WAIT_TIMEOUT -drop index t1ba on t1; -connection a; -commit; -explain select a from t1 order by b; ---send -select a,sleep(2+a/100) from t1 order by b limit 3; - -# The following DROP INDEX will succeed, altough the SELECT above has -# opened a read view. However, during the execution of the SELECT, -# MySQL should hold a table lock that should block the execution -# of the DROP INDEX below. - -connection b; -select sleep(1); -drop index t1ba on t1; - -# After the index was dropped, subsequent SELECTs will use the same -# read view, but they should not be accessing the dropped index any more. - -connection a; -reap; -explain select a from t1 order by b; -select a from t1 order by b limit 3; -commit; - -connection default; -disconnect a; -disconnect b; - +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#set innodb_lock_wait_timeout=1; +#begin; +## Obtain an IX lock on the table +#select a from t1 limit 1 for update; +#connection b; +#set innodb_lock_wait_timeout=1; +## This would require an S lock on the table, conflicting with the IX lock. +#--error ER_LOCK_WAIT_TIMEOUT +#create index t1ba on t1 (b,a); +#connection a; +#commit; +#begin; +## Obtain an IS lock on the table +#select a from t1 limit 1 lock in share mode; +#connection b; +## This will require an S lock on the table. No conflict with the IS lock. +#create index t1ba on t1 (b,a); +## This would require an X lock on the table, conflicting with the IS lock. +#--error ER_LOCK_WAIT_TIMEOUT +#drop index t1ba on t1; +#connection a; +#commit; +#explain select a from t1 order by b; +#--send +#select a,sleep(2+a/100) from t1 order by b limit 3; +# +## The following DROP INDEX will succeed, altough the SELECT above has +## opened a read view. However, during the execution of the SELECT, +## MySQL should hold a table lock that should block the execution +## of the DROP INDEX below. +# +#connection b; +#select sleep(1); +#drop index t1ba on t1; +# +## After the index was dropped, subsequent SELECTs will use the same +## read view, but they should not be accessing the dropped index any more. +# +#connection a; +#reap; +#explain select a from t1 order by b; +#select a from t1 order by b limit 3; +#commit; +# +#connection default; +#disconnect a; +#disconnect b; +# +# end disabled45225_1 drop table t1; let $per_table=`select @@innodb_file_per_table`; @@ -509,28 +516,34 @@ SHOW CREATE TABLE t2; DROP TABLE t2; DROP TABLE t1; -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -connection b; -BEGIN; -SELECT * FROM t1; -connection a; -CREATE INDEX t1a ON t1(a); -connection b; -SELECT * FROM t1; ---error ER_TABLE_DEF_CHANGED -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -SELECT * FROM t1; -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -connection default; -disconnect a; -disconnect b; - -DROP TABLE t1; +# The following tests are disabled because of the introduced timeouts for +# metadata locks at the MySQL level as part of the fix for +# Bug#45225 Locking: hang if drop table with no timeout +# The following CREATE INDEX t1a ON t1(a); causes a lock wait timeout +# start disabled45225_2 +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +#INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +#connection b; +#BEGIN; +#SELECT * FROM t1; +#connection a; +#CREATE INDEX t1a ON t1(a); +#connection b; +#SELECT * FROM t1; +#--error ER_TABLE_DEF_CHANGED +#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +#SELECT * FROM t1; +#COMMIT; +#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +#connection default; +#disconnect a; +#disconnect b; +# +#DROP TABLE t1; +# end disabled45225_2 # # restore environment to the state it was before this test execution From 5a8749546a0e8d4c34b6339ee2c47dc961157ad3 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 22:20:46 +0300 Subject: [PATCH 221/400] Replay r2875.107.114 on top of the innodb-lock mysql test ------------------------------------------------------------ revno: 2875.107.114 revision-id: dlenev@mysql.com-20100201114306-cve0yq5akrxjoei0 parent: dlenev@mysql.com-20100121204303-sr6d1436mac7x6vz committer: Dmitry Lenev branch nick: mysql-next-4284-nl-push timestamp: Mon 2010-02-01 14:43:06 +0300 message: Implement new type-of-operation-aware metadata locks. Add a wait-for graph based deadlock detector to the MDL subsystem. Fixes bug #46272 "MySQL 5.4.4, new MDL: unnecessary deadlock" and bug #37346 "innodb does not detect deadlock between update and alter table". The first bug manifested itself as an unwarranted abort of a transaction with ER_LOCK_DEADLOCK error by a concurrent ALTER statement, when this transaction tried to repeat use of a table, which it has already used in a similar fashion before ALTER started. The second bug showed up as a deadlock between table-level locks and InnoDB row locks, which was "detected" only after innodb_lock_wait_timeout timeout. A transaction would start using the table and modify a few rows. Then ALTER TABLE would come in, and start copying rows into a temporary table. Eventually it would stumble on the modified records and get blocked on a row lock. The first transaction would try to do more updates, and get blocked on thr_lock.c lock. This situation of circular wait would only get resolved by a timeout. Both these bugs stemmed from inadequate solutions to the problem of deadlocks occurring between different locking subsystems. In the first case we tried to avoid deadlocks between metadata locking and table-level locking subsystems, when upgrading shared metadata lock to exclusive one. Transactions holding the shared lock on the table and waiting for some table-level lock used to be aborted too aggressively. We also allowed ALTER TABLE to start in presence of transactions that modify the subject table. ALTER TABLE acquires TL_WRITE_ALLOW_READ lock at start, and that block all writes against the table (naturally, we don't want any writes to be lost when switching the old and the new table). TL_WRITE_ALLOW_READ lock, in turn, would block the started transaction on thr_lock.c lock, should they do more updates. This, again, lead to the need to abort such transactions. The second bug occurred simply because we didn't have any mechanism to detect deadlocks between the table-level locks in thr_lock.c and row-level locks in InnoDB, other than innodb_lock_wait_timeout. This patch solves both these problems by moving lock conflicts which are causing these deadlocks into the metadata locking subsystem, thus making it possible to avoid or detect such deadlocks inside MDL. To do this we introduce new type-of-operation-aware metadata locks, which allow MDL subsystem to know not only the fact that transaction has used or is going to use some object but also what kind of operation it has carried out or going to carry out on the object. This, along with the addition of a special kind of upgradable metadata lock, allows ALTER TABLE to wait until all transactions which has updated the table to go away. This solves the second issue. Another special type of upgradable metadata lock is acquired by LOCK TABLE WRITE. This second lock type allows to solve the first issue, since abortion of table-level locks in event of DDL under LOCK TABLES becomes also unnecessary. Below follows the list of incompatible changes introduced by this patch: - From now on, ALTER TABLE and CREATE/DROP TRIGGER SQL (i.e. those statements that acquire TL_WRITE_ALLOW_READ lock) wait for all transactions which has *updated* the table to complete. - From now on, LOCK TABLES ... WRITE, REPAIR/OPTIMIZE TABLE (i.e. all statements which acquire TL_WRITE table-level lock) wait for all transaction which *updated or read* from the table to complete. As a consequence, innodb_table_locks=0 option no longer applies to LOCK TABLES ... WRITE. - DROP DATABASE, DROP TABLE, RENAME TABLE no longer abort statements or transactions which use tables being dropped or renamed, and instead wait for these transactions to complete. - Since LOCK TABLES WRITE now takes a special metadata lock, not compatible with with reads or writes against the subject table and transaction-wide, thr_lock.c deadlock avoidance algorithm that used to ensure absence of deadlocks between LOCK TABLES WRITE and other statements is no longer sufficient, even for MyISAM. The wait-for graph based deadlock detector of MDL subsystem may sometimes be necessary and is involved. This may lead to ER_LOCK_DEADLOCK error produced for multi-statement transactions even if these only use MyISAM: session 1: session 2: begin; update t1 ... lock table t2 write, t1 write; -- gets a lock on t2, blocks on t1 update t2 ... (ER_LOCK_DEADLOCK) - Finally, support of LOW_PRIORITY option for LOCK TABLES ... WRITE was abandoned. LOCK TABLE ... LOW_PRIORITY WRITE from now on has the same priority as the usual LOCK TABLE ... WRITE. SELECT HIGH PRIORITY no longer trumps LOCK TABLE ... WRITE in the wait queue. - We do not take upgradable metadata locks on implicitly locked tables. So if one has, say, a view v1 that uses table t1, and issues: LOCK TABLE v1 WRITE; FLUSH TABLE t1; -- (or just 'FLUSH TABLES'), an error is produced. In order to be able to perform DDL on a table under LOCK TABLES, the table must be locked explicitly in the LOCK TABLES list. @ mysql-test/include/handler.inc Adjusted test case to trigger an execution path on which bug 41110 "crash with handler command when used concurrently with alter table" and bug 41112 "crash in mysql_ha_close_table/get_lock_data with alter table" were originally discovered. Left old test case which no longer triggers this execution path for the sake of coverage. Added test coverage for HANDLER SQL statements and type-aware metadata locks. Added a test for the global shared lock and HANDLER SQL. Updated tests to take into account that the old simple deadlock detection heuristics was replaced with a graph-based deadlock detector. @ mysql-test/r/debug_sync.result Updated results (see debug_sync.test). @ mysql-test/r/handler_innodb.result Updated results (see handler.inc test). @ mysql-test/r/handler_myisam.result Updated results (see handler.inc test). @ mysql-test/r/innodb-lock.result Updated results (see innodb-lock.test). @ mysql-test/r/innodb_mysql_lock.result Updated results (see innodb_mysql_lock.test). @ mysql-test/r/lock.result Updated results (see lock.test). @ mysql-test/r/lock_multi.result Updated results (see lock_multi.test). @ mysql-test/r/lock_sync.result Updated results (see lock_sync.test). @ mysql-test/r/mdl_sync.result Updated results (see mdl_sync.test). @ mysql-test/r/sp-threads.result SHOW PROCESSLIST output has changed due to the fact that waiting for LOCK TABLES WRITE now happens within metadata locking subsystem. @ mysql-test/r/truncate_coverage.result Updated results (see truncate_coverage.test). @ mysql-test/suite/funcs_1/datadict/processlist_val.inc SELECT FROM I_S.PROCESSLIST output has changed due to fact that waiting for LOCK TABLES WRITE now happens within metadata locking subsystem. @ mysql-test/suite/funcs_1/r/processlist_val_no_prot.result SELECT FROM I_S.PROCESSLIST output has changed due to fact that waiting for LOCK TABLES WRITE now happens within metadata locking subsystem. @ mysql-test/suite/rpl/t/rpl_sp.test Updated to a new SHOW PROCESSLIST state name. @ mysql-test/t/debug_sync.test Use LOCK TABLES READ instead of LOCK TABLES WRITE as the latter no longer allows to trigger execution path involving waiting on thr_lock.c lock and therefore reaching debug sync-point covered by this test. @ mysql-test/t/innodb-lock.test Adjusted test case to the fact that innodb_table_locks=0 option is no longer supported, since LOCK TABLES WRITE handles all its conflicts within MDL subsystem. @ mysql-test/t/innodb_mysql_lock.test Added test for bug #37346 "innodb does not detect deadlock between update and alter table". @ mysql-test/t/lock.test Added test coverage which checks the fact that we no longer support DDL under LOCK TABLES on tables which were locked implicitly. Adjusted existing test cases accordingly. @ mysql-test/t/lock_multi.test Added test for bug #46272 "MySQL 5.4.4, new MDL: unnecessary deadlock". Adjusted other test cases to take into account the fact that waiting for LOCK TABLES ... WRITE now happens within MDL subsystem. @ mysql-test/t/lock_sync.test Since LOCK TABLES ... WRITE now takes SNRW metadata lock for tables locked explicitly we have to implicitly lock InnoDB tables (through view) to trigger the table-level lock conflict between TL_WRITE and TL_WRITE_ALLOW_WRITE. @ mysql-test/t/mdl_sync.test Added basic test coverage for type-of-operation-aware metadata locks. Also covered with tests some use cases involving HANDLER statements in which a deadlock could arise. Adjusted existing tests to take type-of-operation-aware MDL into account. @ mysql-test/t/multi_update.test Update to a new SHOW PROCESSLIST state name. @ mysql-test/t/truncate_coverage.test Adjusted test case after making LOCK TABLES WRITE to wait until transactions that use the table to be locked are completed. Updated to the changed name of DEBUG_SYNC point. @ sql/handler.cc Global read lock functionality has been moved into a class. @ sql/lock.cc Global read lock functionality has been moved into a class. Updated code to use the new MDL API. @ sql/mdl.cc Introduced new type-of-operation aware metadata locks. To do this: - Changed MDL_lock to use one list for waiting requests and one list for granted requests. For each list, added a bitmap that holds information what lock types a list contains. Added a helper class MDL_lock::List to manipulate with granted and waited lists while keeping the bitmaps in sync with list contents. - Changed lock-compatibility functions to use bitmaps that define compatibility. - Introduced a graph based deadlock detector inspired by waiting_threads.c from Maria implementation. - Now that we have a deadlock detector, and no longer have a global lock to protect individual lock objects, but rather use an rw lock per object, removed redundant code for upgrade, and the global read lock. Changed the MDL API to no longer require the caller to acquire the global intention exclusive lock by means of a separate method. Removed a few more methods that became redundant. - Removed deadlock detection heuristic, it has been made obsolete by the deadlock detector. - With operation-type-aware metadata locks, MDL subsystem has become aware of potential conflicts between DDL and open transactions. This made it possible to remove calls to mysql_abort_transactions_with_shared_lock() from acquisition paths for exclusive lock and lock upgrade. Now we can simply wait for these transactions to complete without fear of deadlock. Function mysql_lock_abort() has also become unnecessary for all conflicting cases except when a DDL conflicts with a connection that has an open HANDLER. @ sql/mdl.h Introduced new type-of-operation aware metadata locks. Introduced a graph based deadlock detector and supporting methods. Added comments. God rid of redundant API calls. Renamed m_lt_or_ha_sentinel to m_trans_sentinel, since now it guards the global read lock as well as LOCK TABLES and HANDLER locks. @ sql/mysql_priv.h Moved the global read lock functionality into a class. Added MYSQL_OPEN_FORCE_SHARED_MDL flag which forces open_tables() to take MDL_SHARED on tables instead of metadata locks specified in the parser. We use this to allow PREPARE run concurrently in presence of LOCK TABLES ... WRITE. Added signature for find_table_for_mdl_ugprade(). @ sql/set_var.cc Global read lock functionality has been moved into a class. @ sql/sp_head.cc When creating TABLE_LIST elements for prelocking or system tables set the type of request for metadata lock according to the operation that will be performed on the table. @ sql/sql_base.cc - Updated code to use the new MDL API. - In order to avoid locks starvation we take upgradable locks all at once. As result implicitly locked tables no longer get an upgradable lock. Consequently DDL and FLUSH TABLES for such tables is prohibited. find_write_locked_table() was replaced by find_table_for_mdl_upgrade() function. open_table() was adjusted to return TABLE instance with upgradable ticket when necessary. - We no longer wait for all locks on OT_WAIT back off action -- only on the lock that caused the wait conflict. Moreover, now we distinguish cases when we have to wait due to conflict in MDL and old version of table in TDC. - Upate mysql_notify_threads_having_share_locks() to only abort thr_lock.c waits of threads that have open HANDLERs, since lock conflicts with only these threads now can lead to deadlocks not detectable by the MDL deadlock detector. - Remove mysql_abort_transactions_with_shared_locks() which is no longer needed. @ sql/sql_class.cc Global read lock functionality has been moved into a class. Re-arranged code in THD::cleanup() to simplify assert. @ sql/sql_class.h Introduced class to incapsulate global read lock functionality. Now sentinel in MDL subsystem guards the global read lock as well as LOCK TABLES and HANDLER locks. Adjusted code accordingly. @ sql/sql_db.cc Global read lock functionality has been moved into a class. @ sql/sql_delete.cc We no longer acquire upgradable metadata locks on tables which are locked by LOCK TABLES implicitly. As result TRUNCATE TABLE is no longer allowed for such tables. Updated code to use the new MDL API. @ sql/sql_handler.cc Inform MDL_context about presence of open HANDLERs. Since HANLDERs break MDL protocol by acquiring table-level lock while holding only S metadata lock on a table MDL subsystem should take special care about such contexts (Now this is the only case when mysql_lock_abort() is used). @ sql/sql_parse.cc Global read lock functionality has been moved into a class. Do not take upgradable metadata locks when opening tables for CREATE TABLE SELECT as it is not necessary and limits concurrency. When initializing TABLE_LIST objects before adding them to the table list set the type of request for metadata lock according to the operation that will be performed on the table. We no longer acquire upgradable metadata locks on tables which are locked by LOCK TABLES implicitly. As result FLUSH TABLES is no longer allowed for such tables. @ sql/sql_prepare.cc Use MYSQL_OPEN_FORCE_SHARED_MDL flag when opening tables during PREPARE. This allows PREPARE to run concurrently in presence of LOCK TABLES ... WRITE. @ sql/sql_rename.cc Global read lock functionality has been moved into a class. @ sql/sql_show.cc Updated code to use the new MDL API. @ sql/sql_table.cc Global read lock functionality has been moved into a class. We no longer acquire upgradable metadata locks on tables which are locked by LOCK TABLES implicitly. As result DROP TABLE is no longer allowed for such tables. Updated code to use the new MDL API. @ sql/sql_trigger.cc Global read lock functionality has been moved into a class. We no longer acquire upgradable metadata locks on tables which are locked by LOCK TABLES implicitly. As result CREATE/DROP TRIGGER is no longer allowed for such tables. Updated code to use the new MDL API. @ sql/sql_view.cc Global read lock functionality has been moved into a class. Fixed results of wrong merge that led to misuse of GLR API. CREATE VIEW statement is not a commit statement. @ sql/table.cc When resetting TABLE_LIST objects for PS or SP re-execution set the type of request for metadata lock according to the operation that will be performed on the table. Do the same in auxiliary function initializing metadata lock requests in a table list. @ sql/table.h When initializing TABLE_LIST objects set the type of request for metadata lock according to the operation that will be performed on the table. @ sql/transaction.cc Global read lock functionality has been moved into a class. --- mysql-test/r/innodb-lock.result | 41 +++++++++++++++------------ mysql-test/t/innodb-lock.test | 49 ++++++++++++++++++--------------- 2 files changed, 51 insertions(+), 39 deletions(-) diff --git a/mysql-test/r/innodb-lock.result b/mysql-test/r/innodb-lock.result index 4ace4065c34..ab7e9aa7b25 100644 --- a/mysql-test/r/innodb-lock.result +++ b/mysql-test/r/innodb-lock.result @@ -25,6 +25,12 @@ id x 0 2 commit; drop table t1; +# +# Old lock method (where LOCK TABLE was ignored by InnoDB) no longer +# works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary +# deadlock" and bug #37346 "innodb does not detect deadlock between +# update and alter table". +# set @@innodb_table_locks=0; create table t1 (id integer primary key, x integer) engine=INNODB; insert into t1 values(0, 0),(1,1),(2,2); @@ -32,26 +38,27 @@ commit; SELECT * from t1 where id = 0 FOR UPDATE; id x 0 0 +# Connection 'con2'. set autocommit=0; set @@innodb_table_locks=0; -lock table t1 write; -update t1 set x=10 where id = 2; -SELECT * from t1 where id = 2; -id x -2 2 -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -id x -0 0 -1 1 -2 3 -commit; -unlock tables; -commit; +# The following statement should block because SQL-level lock +# is taken on t1 which will wait until concurrent transaction +# is commited. +# Sending: +lock table t1 write;; +# Connection 'con1'. +# Wait until LOCK TABLE is blocked on SQL-level lock. +# We should be able to do UPDATEs and SELECTs within transaction. +update t1 set x=1 where id = 0; select * from t1; id x -0 0 +0 1 1 1 -2 10 +2 2 +# Unblock LOCK TABLE. +commit; +# Connection 'con2'. +# Reap LOCK TABLE. +unlock tables; +# Connection 'con1'. drop table t1; diff --git a/mysql-test/t/innodb-lock.test b/mysql-test/t/innodb-lock.test index eacf7e562be..d2f630ccaba 100644 --- a/mysql-test/t/innodb-lock.test +++ b/mysql-test/t/innodb-lock.test @@ -56,9 +56,12 @@ commit; drop table t1; -# -# Try with old lock method (where LOCK TABLE is ignored by InnoDB) -# +--echo # +--echo # Old lock method (where LOCK TABLE was ignored by InnoDB) no longer +--echo # works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary +--echo # deadlock" and bug #37346 "innodb does not detect deadlock between +--echo # update and alter table". +--echo # set @@innodb_table_locks=0; @@ -67,36 +70,38 @@ insert into t1 values(0, 0),(1,1),(2,2); commit; SELECT * from t1 where id = 0 FOR UPDATE; +--echo # Connection 'con2'. connection con2; set autocommit=0; set @@innodb_table_locks=0; -# The following statement should work becase innodb doesn't check table locks -lock table t1 write; +--echo # The following statement should block because SQL-level lock +--echo # is taken on t1 which will wait until concurrent transaction +--echo # is commited. +--echo # Sending: +--send lock table t1 write; +--echo # Connection 'con1'. connection con1; +--echo # Wait until LOCK TABLE is blocked on SQL-level lock. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for table" and info = "lock table t1 write"; +--source include/wait_condition.inc +--echo # We should be able to do UPDATEs and SELECTs within transaction. +update t1 set x=1 where id = 0; +select * from t1; +--echo # Unblock LOCK TABLE. +commit; -# This will be locked by MySQL ---send -update t1 set x=10 where id = 2; ---sleep 2 - +--echo # Connection 'con2'. connection con2; - -# Note that we will get a deadlock if we try to select any rows marked -# for update by con1 ! - -SELECT * from t1 where id = 2; -UPDATE t1 set x=3 where id = 2; -commit; -SELECT * from t1; -commit; +--echo # Reap LOCK TABLE. +--reap unlock tables; +--echo # Connection 'con1'. connection con1; -reap; -commit; -select * from t1; drop table t1; # End of 4.1 tests From 6cce92a6aff1f4dc01c04f72ffed4cd03e79351f Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 14 Apr 2010 23:05:38 +0300 Subject: [PATCH 222/400] Also send emails to innodb_dev_ww@ and fix the tree name --- .bzr-mysql/default.conf | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/.bzr-mysql/default.conf b/.bzr-mysql/default.conf index fcb3cab2de6..df9a60f35ad 100644 --- a/.bzr-mysql/default.conf +++ b/.bzr-mysql/default.conf @@ -1,4 +1,4 @@ [MYSQL] -post_commit_to = "commits@lists.mysql.com" -post_push_to = "commits@lists.mysql.com" -tree_name = "mysql-trunk" +post_commit_to = commits@lists.mysql.com, innodb_dev_ww@oracle.com +post_push_to = commits@lists.mysql.com, innodb_dev_ww@oracle.com +tree_name = "mysql-trunk-innodb" From 2c1b143fce647079210fecbfcba06195e8c42909 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 15 Apr 2010 12:13:36 +0300 Subject: [PATCH 223/400] Remove the InnoDB ChangeLog. It does not make sense anymore, now that InnoDB is not distributed separately. And it causes an extra maintenance load. --- storage/innobase/ChangeLog | 1668 ------------------------------------ 1 file changed, 1668 deletions(-) delete mode 100644 storage/innobase/ChangeLog diff --git a/storage/innobase/ChangeLog b/storage/innobase/ChangeLog deleted file mode 100644 index 58b56f1e8a5..00000000000 --- a/storage/innobase/ChangeLog +++ /dev/null @@ -1,1668 +0,0 @@ -2010-03-31 The InnoDB Team - - * mysql-test/innodb_bug51920.test, mysql-test/innodb_bug51920.result, - srv/srv0srv.c: - Fix Bug#51920 InnoDB connections in row lock wait ignore KILL - until lock wait timeout - -2010-03-31 The InnoDB Team - - * mysql-test/innodb_bug38231.test: - Remove non-determinism in the test case. - -2010-03-18 The InnoDB Team - - * CMakeLists.txt: - Fix Bug#52102 InnoDB Plugin shows performance drop compared to - InnoDB (Windows) - -2010-03-18 The InnoDB Team - - * buf0buf.ic: - When comparing the time of the first access to a block against - innodb_old_blocks_time, use 32-bit arithmetics. The comparison was - incorrect on 64-bit systems. - -2010-03-11 The InnoDB Team - - * buf0buf.h, buf0buf.ic: - Fix and clarify the latching of some buf_block_t members. - Note that check_index_page_at_flush is not protected by any mutex. - Note and assert that lock_hash_val is protected by the rw-latch. - -2010-03-10 The InnoDB Team - - * trx/trx0sys.c: - Fix Bug#51653 outdated reference to set-variable - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, - mysql-test/innodb_bug47621.result, mysql-test/innodb_bug47621.test: - Fix Bug#47621 MySQL and InnoDB data dictionaries will become out of - sync when renaming columns - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#51356 Many Valgrind errors in error messages - with concurrent DDL - -2010-03-10 The InnoDB Team - - * handler/ha_innodb.cc, handler/handler0alter.cc, - mysql-test/innodb_bug51378.result, mysql-test/innodb_bug51378.test: - Fix Bug#51378 Init 'ref_length' to correct value, in case an out - of bound MySQL primary_key - -2010-03-10 The InnoDB Team - - * log/log0recv.c: - Remove a bogus assertion about page numbers exceeding 0x90000000 - in the redo log. Abort when encountering a corrupted redo log - record, unless innodb_force_recovery is set. - -2010-03-09 The InnoDB Team - - * handler/ha_innodb.cc: - Make SHOW ENGINE INNODB MUTEX STATUS display SUM(os_waits) - for the buffer pool block mutexes and locks. - -2010-03-08 The InnoDB Team - - * fil/fil0fil.c: - Fix ALTER TABLE ... IMPORT TABLESPACE of compressed tables. - -2010-03-03 The InnoDB Team - - * handler/handler0alter.cc, innodb-index.result, innodb-index.test, - innodb.result, innodb.test: - Disallow a duplicate index name when creating an index. - -2010-02-11 The InnoDB Team - - * include/mem0mem.h, include/mem0mem.ic, mem/mem0mem.c: - Fix Bug#49535 Available memory check slows down crash - recovery tens of times - -2010-02-09 The InnoDB Team - - * buf/buf0buf.c: - Fix Bug#38901 InnoDB logs error repeatedly when trying to load - page into buffer pool - -2010-02-09 The InnoDB Team - - * srv/srv0srv.c: - Let the master thread sleep if the amount of work to be done is - calibrated as taking less than a second. - -2010-02-04 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, btr/btr0pcur.c, buf/buf0buf.c, - include/btr0btr.h, include/btr0cur.h, include/btr0pcur.h, - include/btr0pcur.ic, include/buf0buf.h, row/row0ins.c, row/row0sel.c: - Pass the file name and line number of the caller of the - b-tree cursor functions to the buffer pool requests, in order - to make the latch diagnostics more accurate. - -2010-02-03 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#49001 SHOW INNODB STATUS deadlock info incorrect - when deadlock detection aborts - -2010-02-03 The InnoDB Team - - * buf/buf0lru.c: - Fix Bug#35077 Very slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) - on compressed tables - -2010-02-03 The InnoDB Team - - * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: - Clean up CHECK TABLE error handling. - -2010-02-01 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.test, - mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc-44030.test, - mysql-test/innodb-autoinc-44030.result: - Fix Bug#49497 Error 1467 (ER_AUTOINC_READ_FAILED) on inserting - a negative value - -2010-01-27 The InnoDB Team - - * include/row0mysql.h, log/log0recv.c, row/row0mysql.c: - Drop temporary tables at startup. - This addresses the third aspect of - Bug#41609 Crash recovery does not work for InnoDB temporary tables. - -2010-01-21 The InnoDB Team - - * buf/buf0buf.c: - Do not merge buffered inserts to compressed pages before - the redo log has been applied in crash recovery. - -2010-01-13 The InnoDB Team - - * row/row0sel.c: - On the READ UNCOMMITTED isolation level, do not attempt to access - a clustered index record that has been marked for deletion. The - built-in InnoDB in MySQL 5.1 and earlier would attempt to retrieve - a previous version of the record in this case. - -2010-01-13 The InnoDB Team - - * buf/buf0buf.c: - When disabling the adaptive hash index, check the block state - before checking block->is_hashed, because the latter may be - uninitialized right after server startup. - -2010-01-12 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug#46193 crash when accessing tables after enabling - innodb_force_recovery option - -2010-01-12 The InnoDB Team - - * row/row0mysql.c: - Fix Bug#49238 Creating/Dropping a temporary table while at 1023 - transactions will cause assert. - -2009-12-02 The InnoDB Team - - * srv/srv0start.c: - Display the zlib version number at startup. - InnoDB compressed tables use zlib, and the implementation depends - on the zlib function compressBound(), whose definition was slightly - changed in zlib version 1.2.3.1 in 2006. MySQL bundles zlib 1.2.3 - from 2005, but some installations use a more recent zlib. - -2009-11-30 The InnoDB Team - - * dict/dict0crea.c, dict/dict0mem.c, dict/dict0load.c, - dict/dict0boot.c, fil/fil0fil.c, handler/ha_innodb.cc, - include/dict0mem.h, row/row0mysql.c: - Fix the bogus warning messages for non-existing temporary - tables that were reported in - Bug#41609 Crash recovery does not work for InnoDB temporary tables. - The actual crash recovery bug was corrected on 2009-04-29. - -2009-11-27 The InnoDB Team - - InnoDB Plugin 1.0.6 released - -2009-11-20 The InnoDB Team - - * handler/ha_innodb.cc: - Add a workaround to prevent a crash due to Bug#45961 DDL on - partitioned innodb tables leaves data dictionary in an inconsistent - state - -2009-11-19 The InnoDB Team - - * btr/btr0btr.c: - Fix Bug#48469 when innodb tablespace is configured too small, crash - and corruption! - -2009-11-19 The InnoDB Team - - * data/data0type.c: - Fix Bug#48526 Data type for float and double is incorrectly reported - in InnoDB table monitor - -2009-11-19 The InnoDB Team - - * CMakeLists.txt: - Fix Bug#48317 cannot build innodb as static library - -2009-11-18 The InnoDB Team - - * handler/handler0alter.cc: - Fix Bug#48782 On lock wait timeout, CREATE INDEX (creating primary key) - attempts DROP TABLE - -2009-11-17 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test, mysql-test/innodb_bug44369.result, - mysql-test/innodb_bug44369.test, mysql-test/patches/innodb-index.diff, - row/row0mysql.c: - Report duplicate table names to the client connection, not to the - error log. - -2009-11-12 The InnoDB Team - - * handler/ha_innodb.cc, include/db0err.h, row/row0merge.c, - row/row0mysql.c: - Allow CREATE INDEX to be interrupted. - Also, when CHECK TABLE is interrupted, report ER_QUERY_INTERRUPTED. - -2009-11-11 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug47167.result, - mysql-test/innodb_bug47167.test, mysql-test/innodb_file_format.result: - Fix Bug#47167 "set global innodb_file_format_check" cannot set value - by User-Defined Variable - -2009-11-11 The InnoDB Team - - * include/os0file.h, os/os0file.c: - Fix Bug#3139 Mysql crashes: 'windows error 995' after several selects - on a large DB - -2009-11-04 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#32430 'show innodb status' causes errors - Invalid (old?) table or database name in logs - -2009-11-02 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, dict/dict0dict.c, fil/fil0fil.c, - ibuf/ibuf0ibuf.c, include/btr0sea.h, include/dict0dict.h, - include/fil0fil.h, include/ibuf0ibuf.h, include/lock0lock.h, - include/log0log.h, include/log0recv.h, include/mem0mem.h, - include/mem0pool.h, include/os0file.h, include/pars0pars.h, - include/srv0srv.h, include/thr0loc.h, include/trx0i_s.h, - include/trx0purge.h, include/trx0rseg.h, include/trx0sys.h, - include/trx0undo.h, include/usr0sess.h, lock/lock0lock.c, - log/log0log.c, log/log0recv.c, mem/mem0dbg.c, mem/mem0pool.c, - os/os0file.c, os/os0sync.c, os/os0thread.c, pars/lexyy.c, - pars/pars0lex.l, que/que0que.c, srv/srv0srv.c, srv/srv0start.c, - sync/sync0arr.c, sync/sync0sync.c, thr/thr0loc.c, trx/trx0i_s.c, - trx/trx0purge.c, trx/trx0rseg.c, trx/trx0sys.c, trx/trx0undo.c, - usr/usr0sess.c, ut/ut0mem.c: - Fix Bug#45992 innodb memory not freed after shutdown - Fix Bug#46656 InnoDB plugin: memory leaks (Valgrind) - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#47125 auto_increment start value is ignored if an index is - created and engine=innodb - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug47777.result, - mysql-test/innodb_bug47777.test: - Fix Bug#47777 innodb dies with spatial pk: Failing assertion: buf <= - original_buf + buf_len - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#38996 Race condition in ANALYZE TABLE - -2009-10-29 The InnoDB Team - - * handler/ha_innodb.cc: - Fix bug#42383: Can't create table 'test.bug39438' - -2009-10-29 The InnoDB Team - - * os/os0proc.c: - Fix Bug#48237 Error handling in os_mem_alloc_large appears to - be incorrect - -2009-10-29 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.h, include/buf0buf.ic: - Fix corruption of the buf_pool->LRU_old list and improve debug - assertions. - -2009-10-28 The InnoDB Team - - * srv/srv0start.c: - Fix Bug#41490 After enlargement of InnoDB page size, the error message - become inaccurate - -2009-10-26 The InnoDB Team - - * row/row0ins.c: - When allocating a data tuple, zero out the system fields in order - to avoid Valgrind warnings about uninitialized fields in - dtuple_validate(). - -2009-10-22 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, mysql-test/innodb_bug44369.result, - mysql-test/innodb_bug44369.test: - Fix Bug#47233 Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR) - -2009-10-19 The InnoDB Team - - * mysql-test/innodb_information_schema.test: - Fix Bug#47808 innodb_information_schema.test fails when run under - valgrind - -2009-10-15 The InnoDB Team - - * include/page0page.ic: - Fix Bug#47058 Failure to compile innodb_plugin on solaris 10u7 + spro - cc/CC 5.10 - -2009-10-13 The InnoDB Team - - * buf/buf0flu.c: - Call fsync() on datafiles after a batch of pages is written to disk - even when skip_innodb_doublewrite is set. - -2009-10-05 The InnoDB Team - - * buf/buf0buf.c: - Do not invalidate buffer pool while an LRU batch is active. Added code - to buf_pool_invalidate() to wait for the running batches to finish. - -2009-10-01 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#47763 typo in error message: Failed to open table %s after %lu - attemtps. - -2009-10-01 The InnoDB Team - - * fsp/fsp0fsp.c, row/row0merge.c: - Clean up after a crash during DROP INDEX. When InnoDB crashes - while dropping an index, ensure that the index will be completely - dropped during crash recovery. The MySQL .frm file may still - contain the dropped index, but there is little that we can do - about it. - -2009-09-28 The InnoDB Team - - * handler/ha_innodb.cc: - When a secondary index exists in the MySQL .frm file but not in - the InnoDB data dictionary, return an error instead of letting an - assertion fail in index_read. - -2009-09-28 The InnoDB Team - - * btr/btr0btr.c, buf/buf0buf.c, include/page0page.h, - include/page0zip.h, page/page0cur.c, page/page0page.c, - page/page0zip.c: - Do not write to PAGE_INDEX_ID when restoring an uncompressed page - after a compression failure. The field should only be written - when creating a B-tree page. This fix addresses a race condition - in a debug assertion. - -2009-09-28 The InnoDB Team - - * fil/fil0fil.c: - Try to prevent the reuse of tablespace identifiers after InnoDB - has crashed during table creation. Also, refuse to start if files - with duplicate tablespace identifiers are encountered. - -2009-09-25 The InnoDB Team - - * include/os0file.h, os/os0file.c: - Fix Bug#47055 unconditional exit(1) on ERROR_WORKING_SET_QUOTA - 1453 (0x5AD) for InnoDB backend - -2009-09-19 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-consistent-master.opt, - mysql-test/innodb-consistent.result, - mysql-test/innodb-consistent.test: - Fix Bug#37232 Innodb might get too many read locks for DML with - repeatable-read - -2009-09-19 The InnoDB Team - - * fsp/fsp0fsp.c: - Fix Bug#31183 Tablespace full problems not reported in error log, - error message unclear - -2009-09-17 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: - Make the test pass with zlib 1.2.3.3. Apparently, the definition - of compressBound() has changed between zlib versions, and the - maximum record size of a table with 1K compressed page size has - been reduced by one byte. This is an arbitrary test. In practical - applications, for good write performance, the compressed page size - should be chosen to be bigger than the absolute minimum. - -2009-09-16 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#46256 drop table with unknown collation crashes innodb - -2009-09-16 The InnoDB Team - - * dict/dict0dict.c, handler/ha_innodb.cc, - mysql-test/innodb_bug44369.result, mysql-test/innodb_bug44369.test, - row/row0mysql.c: - Fix Bug#44369 InnoDB: Does not uniformly disallow disallowed column - names - -2009-09-16 The InnoDB Team - - * handler/ha_innodb.cc, include/db0err.h, - mysql-test/innodb_bug46000.result, mysql-test/innodb_bug46000.test: - Fix Bug#46000 using index called GEN_CLUST_INDEX crashes server - -2009-09-02 The InnoDB Team - - * include/lock0lock.h, include/row0mysql.h, lock/lock0lock.c, - row/row0mysql.c: - Fix a regression introduced by the fix for MySQL bug#26316. We check - whether a transaction holds any AUTOINC locks before we acquire - the kernel mutex and release those locks. - -2009-08-27 The InnoDB Team - - * dict/dict0dict.c, include/dict0dict.h, - mysql-test/innodb_bug44571.result, mysql-test/innodb_bug44571.test: - Fix Bug#44571 InnoDB Plugin crashes on ADD INDEX - -2009-08-27 The InnoDB Team - - * row/row0merge.c: - Fix a bug in the merge sort that can corrupt indexes in fast index - creation. Add some consistency checks. Check that the number of - records remains constant in every merge sort pass. - -2009-08-27 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, - include/buf0buf.h, include/buf0buf.ic, include/buf0lru.h, - include/ut0ut.h, ut/ut0ut.c: - Make it possible to tune the buffer pool LRU eviction policy to be - more resistant against index scans. Introduce the settable global - variables innodb_old_blocks_pct and innodb_old_blocks_time for - controlling the buffer pool eviction policy. The parameter - innodb_old_blocks_pct (5..95) controls the desired amount of "old" - blocks in the LRU list. The default is 37, corresponding to the - old fixed ratio of 3/8. Each time a block is accessed, it will be - moved to the "new" blocks if its first access was at least - innodb_old_blocks_time milliseconds ago (default 0, meaning every - block). The idea is that in index scans, blocks will be accessed - a few times within innodb_old_blocks_time, and they will remain in - the "old" section of the LRU list. Thus, when innodb_old_blocks_time - is nonzero, blocks retrieved for one-time index scans will be more - likely candidates for eviction than blocks that are accessed in - random patterns. - -2009-08-26 The InnoDB Team - - * handler/ha_innodb.cc, os/os0file.c: - Fix Bug#42885 buf_read_ahead_random, buf_read_ahead_linear counters, - thread wakeups - -2009-08-20 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#46650 Innodb assertion autoinc_lock == lock in - lock_table_remove_low on INSERT SELECT - -2009-08-13 The InnoDB Team - - * handler/handler0alter.cc: - Fix Bug#46657 InnoDB plugin: invalid read in index_merge_innodb test - (Valgrind) - -2009-08-11 The InnoDB Team - - InnoDB Plugin 1.0.4 released - -2009-07-20 The InnoDB Team - - * buf/buf0rea.c, handler/ha_innodb.cc, include/srv0srv.h, - srv/srv0srv.c: - Change the read ahead parameter name to innodb_read_ahead_threshold. - Change the meaning of this parameter to signify the number of pages - that must be sequentially accessed for InnoDB to trigger a readahead - request. - -2009-07-20 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#39802 On Windows, 32-bit time_t should be enforced - -2009-07-16 The InnoDB Team - - * include/univ.i: - Support inlining of functions and prefetch with Sun Studio. - These changes are based on contribution from Sun Microsystems Inc. - under a BSD license. - -2009-07-14 The InnoDB Team - - * fil/fil0fil.c: - Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to - match documentation - -2009-07-14 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug21704.result, - mysql-test/innodb_bug21704.test: - Fix Bug#21704 Renaming column does not update FK definition - -2009-07-10 The InnoDB Team - - * handler/ha_innodb.cc, srv/srv0srv.c: - Change the defaults for - innodb_sync_spin_loops: 20 -> 30 - innodb_spin_wait_delay: 5 -> 6 - -2009-07-08 The InnoDB Team - - * buf/buf0flu.c, handler/ha_innodb.cc, include/buf0flu.h, - include/log0log.h, include/log0log.ic, include/srv0srv.h, - srv/srv0srv.c: - Implement the adaptive flushing of dirty pages, which uses - a heuristics based flushing rate of dirty pages to avoid IO - bursts at checkpoint. Expose new configure knob - innodb_adaptive_flushing to control whether the new flushing - algorithm should be used. - -2009-07-07 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, log/log0log.c, - srv/srv0srv.c: - Implement IO capacity tuning. Expose new configure knob - innodb_io_capacity to control the master threads IO rate. The - ibuf merge is also changed from synchronous to asynchronous. - These changes are based on contribution from Google Inc. - under a BSD license. - -2009-07-02 The InnoDB Team - - * include/ut0ut.h, plug.in, ut/ut0ut.c: - Use the PAUSE instruction inside the spinloop if it is available, - Thanks to Mikael Ronstrom . - -2009-06-29 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_file_format.test, - mysql-test/innodb_file_format.result: - Do not crash on SET GLOBAL innodb_file_format=DEFAULT - or SET GLOBAL innodb_file_format_check=DEFAULT. - -2009-06-29 The InnoDB Team - - * buf/buf0buf.c, buf/buf0rea.c, lock/lock0lock.c: - Tolerate missing tablespaces during crash recovery and when - printing information on locks. - -2009-06-29 The InnoDB Team - - * buf/buf0buf.c: - Fix a race condition when reading buf_fix_count. - Currently, it is not being protected by the buffer pool mutex, - but by the block mutex. - -2009-06-29 The InnoDB Team - - * handler/handler0alter.cc: - Start the user transaction prebuilt->trx if it was not started - before adding or dropping an index. Without this fix, the - table could be locked outside an active transaction. - -2009-06-25 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug42101.test, - mysql-test/innodb_bug42101.result, - mysql-test/innodb_bug42101-nonzero.test, - mysql-test/innodb_bug42101-nonzero.result: - Fix Bug#45749 Race condition in SET GLOBAL - innodb_commit_concurrency=DEFAULT - -2009-06-25 The InnoDB Team - - * dict/dict0dict.c: - When an index column cannot be found in the table during index - creation, display additional diagnostic before an assertion failure. - This does NOT fix Bug#44571 InnoDB Plugin crashes on ADD INDEX, - but it helps understand the reason of the crash. - -2009-06-17 The InnoDB Team - - * row/row0merge.c: - Fix Bug#45426 UNIV_DEBUG build cause assertion error at CREATE INDEX - -2009-06-17 The InnoDB Team - - * mysql-test/innodb_bug45357.result, mysql-test/innodb_bug45357.test, - row/row0mysql.c: - Fix Bug#45357 5.1.35 crashes with Failing assertion: index->type & - DICT_CLUSTERED - -2009-06-17 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value - from the index (PRIMARY) - -2009-06-11 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb.result, srv/srv0srv.c: - Change the following defaults: - max_dirty_pages_pct: from 90 to 75, max allowed from 100 to 99 - additional_mem_pool_size: from 1 to 8 MB - buffer_pool_size: from 8 to 128 MB - log_buffer_size: from 1 to 8 MB - read_io_threads/write_io_threads: from 1 to 4 - -2009-06-09 The InnoDB Team - - * handler/ha_innodb.cc, include/trx0trx.h, trx/trx0trx.c: - Enable Group Commit functionality that was broken in 5.0 when - distributed transactions were introduced. - -2009-06-05 The InnoDB Team - - * handler/ha_innodb.cc, include/os0file.h, include/srv0srv.h, - os/os0file.c, srv/srv0srv.c, srv/srv0start.c: - Enable functionality to have multiple background IO helper threads. - Expose new configure knobs innodb_read_io_threads and - innodb_write_io_threads and deprecate innodb_file_io_threads (this - parameter was relevant only on windows). Internally this allows - multiple segments for read and write IO request arrays where one - thread works on one segment. - -2009-06-05 The InnoDB Team - - * buf/buf0lru.c, buf/buf0rea.c, handler/ha_innodb.cc, - include/srv0srv.h, srv/srv0srv.c: - Fix a bug in linear read ahead: - 1) Take into account access pattern when deciding whether or not to - do linear read ahead. - 2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), - dynamic, global to control linear read ahead behavior. This is the - value of the number of pages that InnoDB will tolerate within a - 64 page extent even if they are accessed out of order or have - not been accessed at all. This number (which varies from 0 to 64) - is indicative of the slack that we have when deciding about linear - readahead. - 3) Disable random read ahead. Keep the code for now. - -2009-06-03 The InnoDB Team - - * dict/dict0dict.c, mysql-test/t/innodb_mysql.test, - mysql-test/r/innodb_mysql.result: - Fix Bug#39793 Foreign keys not constructed when column - has a '#' in a comment or default value - -2009-05-27 The InnoDB Team - - * Doxyfile: - Allow the extraction of documentation from the code base with the - Doxygen tool. Convert and add many (but not yet all) comments to - Doxygen format. - -2009-05-19 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, - include/page0page.ic, include/lock0lock.h, include/dict0dict.h, - include/page0page.h, include/dict0dict.ic, ibuf/ibuf0ibuf.c, - page/page0zip.c, page/page0page.c: - Write updates of PAGE_MAX_TRX_ID to the redo log and add debug - assertions for checking that PAGE_MAX_TRX_ID is valid on leaf - pages of secondary indexes and the insert buffer B-tree. This bug - could cause failures in secondary index lookups in consistent - reads right after crash recovery. - -2009-05-18 The InnoDB Team - - * btr/btr0cur.c: - Correctly estimate the space needed on the compressed page when - performing an update by delete-and-insert. - -2009-05-14 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, - mysql-test/innodb_bug42101-nonzero-master.opt, - mysql-test/innodb_bug42101-nonzero.result, - mysql-test/innodb_bug42101-nonzero.test, - mysql-test/innodb_bug42101.result, mysql-test/innodb_bug42101.test, - srv/srv0srv.c: - Fix Bug#42101 Race condition in innodb_commit_concurrency - -2009-05-13 The InnoDB Team - - * dict/dict0dict.c: - Fix Bug#44320 InnoDB: missing DB_ROLL_PTR in Table Monitor COLUMNS - output - -2009-04-29 The InnoDB Team - - * fil/fil0fil.c, include/fil0fil.h, include/mtr0mtr.h, - log/log0recv.c: - Fix Bug#41609 Crash recovery does not work for InnoDB temporary tables - -2009-04-23 The InnoDB Team - - * row/row0mysql.c: - When scanning indexes, report in the error log any error codes - returned by the search function. These error codes will still be - ignored in CHECK TABLE. - -2009-04-23 The InnoDB Team - - * include/trx0types.h: - Define the logical type names trx_id_t, roll_ptr_t, and undo_no_t - and use them in place of dulint everywhere. - -2009-04-18 The InnoDB Team - - * handler/ha_innodb.cc, include/pars0pars.h: - Fix Bug#29125 Windows Server X64: so many compiler warnings - -2009-04-16 The InnoDB Team - - * include/univ.i: - Define REFMAN as the base URL of the MySQL Reference Manual and - use the macro in all diagnostic output. - -2009-04-16 The InnoDB Team - - * CMakeLists.txt, include/os0sync.h, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, srv/srv0start.c, - sync/sync0sync.c: - Use the Windows Interlocked functions for atomic memory - access. - -2009-04-15 The InnoDB Team - - * mysql-test/innodb.result, mysql-test/innodb.test: - Fix Bug#43309 Test main.innodb can't be run twice - -2009-04-14 The InnoDB Team - - * CMakeLists.txt, handler/win_delay_loader.cc, - win-plugin/win-plugin.diff: - Remove statically linked libraries from MySQL (zlib and strings). - -2009-04-11 The InnoDB Team - - * CMakeLists.txt, win-plugin/README, win-plugin/win-plugin.diff: - Rewrite CMakeLists.txt. - -2009-04-07 The InnoDB Team - - * include/os0sync.h, include/sync0rw.ic, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, plug.in, srv/srv0srv.c, - srv/srv0start.c, sync/sync0arr.c, sync/sync0sync.c: - Enable atomics on Solaris (using the libc functions as defined in - atomic.h) if GCC atomic builtins are not present. - -2009-04-07 The InnoDB Team - - * btr/btr0btr.c, dict/dict0dict.c, ibuf/ibuf0ibuf.c, - include/data0data.h, include/data0data.ic, include/data0type.h, - include/data0type.ic, include/dict0dict.h, include/dict0dict.ic, - include/rem0rec.ic, mysql-test/innodb.result, mysql-test/innodb.test, - pars/pars0pars.c, rem/rem0rec.c, row/row0upd.c: - Fix Bug#44032 In ROW_FORMAT=REDUNDANT, update UTF-8 CHAR - to/from NULL is not in-place - -2009-04-07 The InnoDB Team - - * page/page0cur.c: - Fix Bug#43660 SHOW INDEXES/ANALYZE does NOT update cardinality for - indexes of InnoDB table - -2009-04-06 The InnoDB Team - - * handler/ha_innodb.cc: - Make the parameter innodb_change_buffering settable by the - configuration file or mysqld command line options. Before this - fix, the initial value specified for this parameter was ignored. - -2009-04-06 The InnoDB Team - - * sync/sync0rw.c: - Avoid a bogus failure in UNIV_SYNC_DEBUG diagnostics. - -2009-04-02 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: - Add new parameter innodb_spin_wait_delay to set the maximum delay - between polling for a spin lock. - -2009-04-02 The InnoDB Team - - * dict/dict0crea.c, handler/ha_innodb.cc, handler/ha_innodb.h, - include/dict0mem.h, include/row0merge.h, include/row0mysql.h, - mysql-test/innodb-index.result, mysql-test/innodb-index.test, - row/row0merge.c, row/row0sel.c: - In consistent reads, refuse to use newly created indexes that may - lack history. - -2009-03-25 The InnoDB Team - - * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h: - In SHOW ENGINE INNODB MUTEX do not show the status of block->mutex, - block->lock, block->lock->mutex (if applicable) and all mutexes and - rw-locks for which number of os-waits are zero because this can - be overwhelming particularly when the buffer pool is very large. - -2009-03-20 The InnoDB Team - - * buf/buf0buf.c, include/log0recv.h, log/log0recv.c: - Remove the compile-time constant parameters of - recv_recover_page(), recv_scan_log_recs(), and recv_sys_init(). - -2009-03-20 The InnoDB Team - - * data/data0type.c, handler/ha_innodb.cc, include/ha_prototypes.h: - Declare innobase_get_at_most_n_mbchars() in ha_prototypes.h. - -2009-03-20 The InnoDB Team - - * fil/fil0fil.h, fil/fil0fil.c, srv/srv0start.c: - Add the parameter hash_size to fil_init(). - -2009-03-20 The InnoDB Team - - * fil/fil0fil.c: - Refer to fil_system directly, not via local variables. - -2009-03-20 The InnoDB Team - - * page/page0page.c: - In page_validate(), always report the space id, page number and - the name of the index when corruption is noticed. - -2009-03-20 The InnoDB Team - - * include/log0log.h, include/log0log.ic, log/log0log.c: - Add in/out comments or const qualifiers to some function - parameters as appropriate. - -2009-03-20 The InnoDB Team - - * dict/dict0boot.c, dict/dict0dict.c, fsp/fsp0fsp.c, - include/dict0dict.h, include/srv0srv.h, srv/srv0srv.c, - page/page0page.c: - Replace srv_sys->dummy_ind1 and srv_sys->dummy_ind2 with - dict_ind_redundant and dict_ind_compact, which are - initialized by dict_init(). - -2009-03-11 The InnoDB Team - - InnoDB Plugin 1.0.3 released - -2009-03-05 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#43203 Overflow from auto incrementing causes server segv - -2009-02-25 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#42714 AUTO_INCREMENT errors in 5.1.31 - -2009-02-23 The InnoDB Team - - * btr/btr0cur.c: - Fix Bug#43043 Crash on BLOB delete operation - -2009-02-20 The InnoDB Team - - * handler/ha_innodb.cc: - Make innodb_use_sys_malloc=ON the default. - -2009-02-20 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#42400 InnoDB autoinc code can't handle floating-point columns - -2009-02-18 The InnoDB Team - - * include/ut0mem.h, os/os0proc.c, ut/ut0mem.c: - Protect ut_total_allocated_memory with ut_list_mutex in - os_mem_alloc_large() and os_mem_free_large(). The lack of this mutex - protection could cause an assertion failure during fast index - creation. Also, add UNIV_MEM_ALLOC and UNIV_MEM_FREE instrumentation - to os_mem_alloc_large() and os_mem_free_large(), so that Valgrind can - detect more errors. - -2009-02-11 The InnoDB Team - - * handler/ha_innodb.cc: - Make innodb_thread_concurrency=0 the default. The old default value - was 8. A non-zero setting may be useful when InnoDB is showing severe - scalability problems under multiple concurrent connections. - -2009-02-10 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug#41676 Table names are case insensitive in locking - -2009-02-10 The InnoDB Team - - * mem/mem0dbg.c, mem/mem0mem.c, mem/mem0pool.c: - When innodb_use_sys_malloc is set, ignore - innodb_additional_mem_pool_size, because nothing will be allocated - from mem_comm_pool. - -2009-02-10 The InnoDB Team - - * ut/ut0mem.c: - Map ut_malloc_low(), ut_realloc(), and ut_free() directly to malloc(), - realloc(), and free() when innodb_use_sys_malloc is set. As a side - effect, ut_total_allocated_memory ("Total memory allocated" in the - "BUFFER POOL AND MEMORY" section of SHOW ENGINE INNODB STATUS) will - exclude any memory allocated by these functions when - innodb_use_sys_malloc is set. - -2009-02-10 The InnoDB Team - - * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, - include/buf0buf.ic, include/os0sync.h, include/srv0srv.h, - include/sync0rw.h, include/sync0rw.ic, include/sync0sync.h, - include/sync0sync.ic, include/univ.i, row/row0sel.c, srv/srv0srv.c, - srv/srv0start.c, sync/sync0arr.c, sync/sync0rw.c, sync/sync0sync.c: - On those platforms that support it, implement the synchronization - primitives of InnoDB mutexes and read/write locks with GCC atomic - builtins instead of Pthreads mutexes and InnoDB mutexes. These changes - are based on a patch supplied by Mark Callaghan of Google under a BSD - license. - -2009-01-30 The InnoDB Team - - * btr/btr0cur.c, btr/btr0sea.c, buf/buf0buf.c, handler/ha_innodb.cc, - include/btr0sea.h, include/buf0buf.h, include/sync0sync.h, - sync/sync0sync.c: - Make the configuration parameter innodb_adaptive_hash_index dynamic, - so that it can be changed at runtime. - -2009-01-29 The InnoDB Team - - * handler/ha_innodb.cc, ibuf/ibuf0ibuf.c, include/ibuf0ibuf.h, - include/ibuf0ibuf.ic: - Implement the settable global variable innodb_change_buffering, - with the allowed values 'none' and 'inserts'. The default value - 'inserts' enables the buffering of inserts to non-unique secondary - index trees when the B-tree leaf page is not in the buffer pool. - -2009-01-27 The InnoDB Team - - * buf/buf0lru.c: - Fix a race condition in buf_LRU_invalidate_tablespace(): The - compressed page size (zip_size) was read while the block descriptor - was no longer protected by a mutex. This could lead to corruption - when a table is dropped on a busy system that contains compressed - tables. - -2009-01-26 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, include/buf0buf.h, include/buf0buf.ic, - include/mtr0log.ic, include/row0upd.ic, mtr/mtr0mtr.c: - Implement buf_block_align() with pointer arithmetics, as it is in the - built-in InnoDB distributed with MySQL. Do not acquire the buffer pool - mutex before buf_block_align(). This removes a scalability bottleneck - in the adaptive hash index lookup. In CHECK TABLE, check that - buf_pool->page_hash is consistent with buf_block_align(). - -2009-01-23 The InnoDB Team - - * btr/btr0sea.c: - Fix Bug#42279 Race condition in btr_search_drop_page_hash_when_freed() - -2009-01-23 The InnoDB Team - - * buf/buf0buf.c, include/buf0buf.h: - Remove the unused mode BUF_GET_NOWAIT of buf_page_get_gen() - -2009-01-20 The InnoDB Team - - * include/rem0rec.h, include/rem0rec.ic: - Fix Bug#41571 MySQL segfaults after innodb recovery - -2009-01-20 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#42152 Race condition in lock_is_table_exclusive() - -2009-01-14 The InnoDB Team - - * include/trx0roll.h, trx/trx0roll.c, trx/trx0trx.c: - Fix Bug#38187 Error 153 when creating savepoints - -2009-01-14 The InnoDB Team - - * dict/dict0load.c: - Fix Bug#42075 dict_load_indexes failure in dict_load_table will - corrupt the dictionary cache - -2009-01-13 The InnoDB Team - - * buf/buf0buddy.c, dict/dict0dict.c, dict/dict0mem.c, fil/fil0fil.c, - ha/ha0storage.c, handler/ha_innodb.cc, handler/win_delay_loader.cc, - include/buf0buf.ic, include/dict0dict.ic, include/hash0hash.h, - thr/thr0loc.c, trx/trx0i_s.c: - Add the parameter ASSERTION to HASH_SEARCH() macro, and use it for - light validation of the traversed items in hash table lookups when - UNIV_DEBUG is enabled. - -2009-01-09 The InnoDB Team - - * buf/buf0flu.c, include/buf0flu.h, include/buf0flu.ic: - Remove unused code from the functions - buf_flush_insert_into_flush_list() and - buf_flush_insert_sorted_into_flush_list(). - -2009-01-09 The InnoDB Team - - * buf/buf0flu.c: - Simplify the functions buf_flush_try_page() and buf_flush_batch(). Add - debug assertions and an explanation to buf_flush_write_block_low(). - -2009-01-07 The InnoDB Team - - * row/row0merge.c: - Fix a bug in recovery when dropping temporary indexes. - -2009-01-07 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h, handler/handler0alter.cc: - Fix Bug#41680 calls to trx_allocate_for_mysql are not consistent - -2009-01-07 The InnoDB Team - - * mysql-test/innodb_bug41904.result, mysql-test/innodb_bug41904.test, - row/row0merge.c: - Fix Bug#41904 create unique index problem - -2009-01-02 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, mem/mem0pool.c, - mysql-test/innodb-use-sys-malloc-master.opt, - mysql-test/innodb-use-sys-malloc.result, - mysql-test/innodb-use-sys-malloc.test, srv/srv0srv.c, srv/srv0start.c: - Implement the configuration parameter innodb_use_sys_malloc (false by - default), for disabling InnoDB's internal memory allocator and using - system malloc/free instead. The "BUFFER POOL AND MEMORY" section of - SHOW ENGINE INNODB STATUS will report "in additional pool allocated - allocated 0" when innodb_use_sys_malloc is set. - -2008-12-30 The InnoDB Team - - * btr/btr0btr.c: - When setting the PAGE_LEVEL of a compressed B-tree page from or to 0, - compress the page at the same time. This is necessary, because the - column information stored on the compressed page will differ between - leaf and non-leaf pages. Leaf pages are identified by PAGE_LEVEL=0. - This bug can make InnoDB crash when all rows of a compressed table are - deleted. - -2008-12-17 The InnoDB Team - - * include/row0sel.h, include/row0upd.h, pars/pars0pars.c, - row/row0mysql.c, row/row0sel.c, row/row0upd.c: - Remove update-in-place select from the internal SQL interpreter. It - was only used for updating the InnoDB internal data dictionary when - renaming or dropping tables. It could have caused deadlocks when - acquiring latches on insert buffer bitmap pages. - -2008-12-17 The InnoDB Team - - * btr/btr0sea.c, buf/buf0buf.c, buf/buf0lru.c, ha/ha0ha.c, - ha/hash0hash.c, include/buf0buf.h, include/ha0ha.h, include/ha0ha.ic, - include/hash0hash.h, include/univ.i: - Introduce the preprocessor symbol UNIV_AHI_DEBUG for enabling adaptive - hash index debugging independently of UNIV_DEBUG. - -2008-12-16 The InnoDB Team - - * btr/btr0cur.c: - Do not update the free bits in the insert buffer bitmap when inserting - or deleting from the insert buffer B-tree. Assert that records in the - insert buffer B-tree are never updated. - -2008-12-12 The InnoDB Team - - * buf/buf0buf.c, fil/fil0fil.c, fsp/fsp0fsp.c, ibuf/ibuf0ibuf.c, - include/fil0fil.h, include/ibuf0ibuf.h, include/ibuf0ibuf.ic, - include/ibuf0types.h: - Clean up the insert buffer subsystem so that only one insert - buffer B-tree exists. - Originally, there were provisions in InnoDB for multiple insert - buffer B-trees, apparently one for each tablespace. - When Heikki Tuuri implemented multiple InnoDB tablespaces in - MySQL/InnoDB 4.1, he made the insert buffer live only in the - system tablespace (space 0) but left the provisions in the code. - -2008-12-11 The InnoDB Team - - * include/srv0srv.h, os/os0proc.c, srv/srv0srv.c: - Fix the issue that the InnoDB plugin fails if innodb_buffer_pool_size - is defined bigger than 4096M on 64-bit Windows. This bug should not - have affected other 64-bit systems. - -2008-12-09 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#40386 Not flushing query cache after truncate. - -2008-12-09 The InnoDB Team - - * handler/ha_innodb.cc, srv/srv0srv.c, trx/trx0trx.c: - Fix Bug#40760 "set global innodb_thread_concurrency = 0;" is not safe - -2008-12-04 The InnoDB Team - - * handler/ha_innodb.cc, handler/mysql_addons.cc, - include/mysql_addons.h, trx/trx0i_s.c, win-plugin/win-plugin.diff: - Remove dependencies to MySQL internals (defining MYSQL_SERVER). - -2008-12-02 The InnoDB Team - - * page/page0cur.c: - When allocating space for a record from the free list of previously - purged records, zero out the DB_TRX_ID and DB_ROLL_PTR of the purged - record if the new record would not overwrite these fields. This fixes - a harmless content mismatch reported by page_zip_validate(). - -2008-12-02 The InnoDB Team - - * row/row0merge.c: - Replace the WHILE 1 with WHILE 1=1 in the SQL procedure, so that the - loop will actually be entered and temporary indexes be dropped during - crash recovery. - -2008-12-01 The InnoDB Team - - InnoDB Plugin 1.0.2 released - -2008-10-31 The InnoDB Team - - * dict/dict0mem.c, include/dict0mem.h, include/lock0lock.h, - include/row0mysql.h, include/trx0trx.h, include/univ.i, - include/ut0vec.h, include/ut0vec.ic, lock/lock0lock.c, - row/row0mysql.c, trx/trx0trx.c: - Fix Bug#26316 Triggers create duplicate entries on auto-increment - columns - -2008-10-30 The InnoDB Team - - * handler/ha_innodb.cc, handler/handler0vars.h, - handler/win_delay_loader.cc, mysql-test/innodb_bug40360.result, - mysql-test/innodb_bug40360.test: - Fix Bug#40360 Binlog related errors with binlog off - -2008-10-29 The InnoDB Team - - * include/data0type.ic: - Fix Bug#40369 dtype_get_sql_null_size() returns 0 or 1, not the size - -2008-10-29 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, srv/srv0srv.c: - Fix Bug#38189 innodb_stats_on_metadata missing - -2008-10-28 The InnoDB Team - - * CMakeLists.txt, ha_innodb.def, handler/ha_innodb.cc, - handler/handler0alter.cc, handler/handler0vars.h, handler/i_s.cc, - handler/win_delay_loader.cc, win-plugin/*: - Implemented the delayloading of externals for the plugin on Windows. - This makes it possible to build a dynamic plugin (ha_innodb.dll) on - Windows. - -2008-10-27 The InnoDB Team - - * CMakeLists.txt: - Fix Bug#19424 InnoDB: Possibly a memory overrun of the buffer being - freed (64-bit Visual C) - -2008-10-23 The InnoDB Team - - * ibuf/ibuf0ibuf.c: - ibuf_delete_rec(): When the cursor to the insert buffer record - cannot be restored, do not complain if the tablespace does not - exist, because the insert buffer record may have been discarded by - some other thread. This bug has existed in MySQL/InnoDB since - version 4.1, when innodb_file_per_table was implemented. - This may fix Bug#27276 InnoDB Error: ibuf cursor restoration fails. - -2008-10-22 The InnoDB Team - - * dict/dict0dict.c, dict/dict0mem.c, handler/ha_innodb.cc, - handler/ha_innodb.h, include/dict0dict.h, include/dict0mem.h, - row/row0mysql.c: - Fix Bug#39830 Table autoinc value not updated on first insert - Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in - ::info - Fix Bug#36411 "Failed to read auto-increment value from storage - engine" in 5.1.24 auto-inc - -2008-10-22 The InnoDB Team - - * handler/ha_innodb.cc, include/row0mysql.h, row/row0mysql.c: - Fix Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout - errors - -2008-10-16 The InnoDB Team - - * dict/dict0dict.c, mysql-test/innodb-index.result, - mysql-test/innodb-index.test: - Skip the undo log size check when creating REDUNDANT and COMPACT - tables. In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column - prefix indexes require that prefixes of externally stored columns - be written to the undo log. This may make the undo log record - bigger than the record on the B-tree page. The maximum size of an - undo log record is the page size. That must be checked for, in - dict_index_add_to_cache(). However, this restriction must not - be enforced on REDUNDANT or COMPACT tables. - -2008-10-15 The InnoDB Team - - * btr/btr0cur.c, include/btr0cur.h, row/row0ext.c, row/row0sel.c, - row/row0upd.c: - When the server crashes while freeing an externally stored column - of a compressed table, the BTR_EXTERN_LEN field in the BLOB - pointer will be written as 0. Tolerate this in the functions that - deal with externally stored columns. This fixes problems after - crash recovery, in the rollback of incomplete transactions, and in - the purge of delete-marked records. - -2008-10-15 The InnoDB Team - - * btr/btr0btr.c, include/page0zip.h, page/page0zip.c, include/univ.i: - When a B-tree node of a compressed table is split or merged, the - compression may fail. In this case, the entire compressed page - will be copied and the excess records will be deleted. However, - page_zip_copy(), now renamed to page_zip_copy_recs(), copied too - many fields in the page header, overwriting PAGE_BTR_SEG_LEAF and - PAGE_BTR_SEG_TOP when splitting the B-tree root. This caused - corruption of compressed tables. Furthermore, the lock table and - the adaptive hash index would be corrupted, because we forgot to - update them when invoking page_zip_copy_recs(). - - Introduce the symbol UNIV_ZIP_DEBUG for triggering the copying of - compressed pages more often, for debugging purposes. - -2008-10-10 The InnoDB Team - - * handler/handler0alter.cc, include/row0merge.h, row/row0merge.c, - row/row0mysql.c: - Fix some locking issues, mainly in fast index creation. The - InnoDB data dictionary cache should be latched whenever a - transaction is holding locks on any data dictionary tables. - Otherwise, lock waits or deadlocks could occur. Furthermore, the - data dictionary transaction must be committed (and the locks - released) before the data dictionary latch is released. - - ha_innobase::add_index(): Lock the data dictionary before renaming - or dropping the created indexes, because neither operation will - commit the data dictionary transaction. - - ha_innobase::final_drop_index(): Commit the transactions before - unlocking the data dictionary. - -2008-10-09 The InnoDB Team - - * buf/buf0lru.c: - Fix Bug#39939 DROP TABLE/DISCARD TABLESPACE takes long time in - buf_LRU_invalidate_tablespace() - -2008-10-08 The InnoDB Team - - * dict/dict0crea.c, trx/trx0roll.c, include/row0mysql.h, - row/row0merge.c, row/row0mysql.c: - When dropping a table, hold the data dictionary latch until the - transaction has been committed. The data dictionary latch is - supposed to prevent lock waits and deadlocks in the data - dictionary tables. Due to this bug, DROP TABLE could cause a - deadlock or hang. Note that because of Bug#33650 and Bug#39833, - MySQL may also drop a (temporary) table when executing CREATE INDEX - or ALTER TABLE ... ADD INDEX. - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb_bug39438-master.opt, - mysql-test/innodb_bug39438.result, mysql-test/innodb_bug39438.test: - Fix Bug#39438 Testcase for Bug#39436 crashes on 5.1 in - fil_space_get_latch - -2008-10-04 The InnoDB Team - - * include/lock0lock.h, lock/lock0lock.c, - mysql-test/innodb_bug38231.result, mysql-test/innodb_bug38231.test, - row/row0mysql.c: - Fix Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + - LOCK / UNLOCK - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#35498 Cannot get table test/table1 auto-inccounter value in - ::info - -2008-10-04 The InnoDB Team - - * handler/ha_innodb.cc, handler/ha_innodb.h: - Fix Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed - tables - -2008-10-04 The InnoDB Team - - * dict/dict0dict.c, handler/ha_innodb.cc, handler/ha_innodb.h, - include/dict0dict.h, include/dict0mem.h, row/row0mysql.c: - Fix Bug#39830 Table autoinc value not updated on first insert - -2008-10-03 The InnoDB Team - - * mysql-test/innodb-index.test, mysql-test/innodb-index.result, - mysql-test/innodb-timeout.test, mysql-test/innodb-timeout.result, - srv/srv0srv.c, include/srv0srv.h, handler/ha_innodb.cc, - include/ha_prototypes.h: - Fix Bug#36285 innodb_lock_wait_timeout is not dynamic, not per session - -2008-09-19 The InnoDB Team - - * os/os0proc.c: - Fix a memory leak on Windows. The memory leak was due to wrong - parameters passed into VirtualFree() call. As the result, the - call fails with Windows error 87. - -2008-09-17 The InnoDB Team - - * mysql-test/innodb.result, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, mysql-test/innodb.test, ibuf/ibuf0ibuf.c, - dict/dict0crea.c, dict/dict0load.c, dict/dict0boot.c, - include/dict0dict.h, include/trx0trx.h, dict/dict0dict.c, - trx/trx0trx.c, include/ha_prototypes.h, handler/ha_innodb.cc: - When creating an index in innodb_strict_mode, check that the - maximum record size will never exceed the B-tree page size limit. - For uncompressed tables, there should always be enough space for - two records in an empty B-tree page. For compressed tables, there - should be enough space for storing two node pointer records or one - data record in an empty page in uncompressed format. - The purpose of this check is to guarantee that INSERT or UPDATE - will never fail due to too big record size. - -2008-09-17 The InnoDB Team - - * btr/btr0cur.c, data/data0data.c, include/page0zip.h, - include/page0zip.ic, page/page0zip.c, mysql-test/innodb_bug36172.test: - Prevent infinite B-tree page splits in compressed tables by - ensuring that there will always be enough space for two node - pointer records in an empty B-tree page. Also, require that at - least one data record will fit in an empty compressed page. This - will reduce the maximum size of records in compressed tables. - -2008-09-09 The InnoDB Team - - * mysql-test/innodb.result: - Fix the failing innodb test by merging changes that MySQL made to - that file (r2646.12.1 in MySQL BZR repository) - -2008-09-09 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#38839 auto increment does not work properly with InnoDB after - update - -2008-09-09 The InnoDB Team - - * dict/dict0dict.c, handler/handler0alter.cc, include/dict0dict.h, - mysql-test/innodb-index.result, mysql-test/innodb-index.test: - Fix Bug#38786 InnoDB plugin crashes on drop table/create table with FK - -2008-08-21 The InnoDB Team - - * handler/ha_innodb.cc, include/ha_prototypes.h, row/row0sel.c: - Fix Bug#37885 row_search_for_mysql may gap lock unnecessarily with SQL - comments in query - -2008-08-21 The InnoDB Team - - * handler/ha_innodb.cc: - Fix Bug#38185 ha_innobase::info can hold locks even when called with - HA_STATUS_NO_LOCK - -2008-08-18 The InnoDB Team - - * buf/buf0buf.c, buf/buf0lru.c, include/buf0buf.ic, include/univ.i: - Introduce UNIV_LRU_DEBUG for debugging the LRU buffer pool cache - -2008-08-08 The InnoDB Team - - * buf/buf0lru.c, include/buf0buf.h: - Fix two recovery bugs that could lead to a crash in debug builds with - small buffer size - -2008-08-07 The InnoDB Team - - * btr/btr0cur.c, handler/ha_innodb.cc, include/srv0srv.h, - srv/srv0srv.c: - Add a parameter innodb_stats_sample_pages to allow users to control - the number of index dives when InnoDB estimates the cardinality of - an index (ANALYZE TABLE, SHOW TABLE STATUS etc) - -2008-08-07 The InnoDB Team - - * trx/trx0i_s.c: - Fix a bug that would lead to a crash if a SELECT was issued from the - INFORMATION_SCHEMA tables and there are rolling back transactions at - the same time - -2008-08-06 The InnoDB Team - - * btr/btr0btr.c, btr/btr0cur.c, ibuf/ibuf0ibuf.c, include/btr0cur.h, - include/trx0roll.h, include/trx0types.h, row/row0purge.c, - row/row0uins.c, row/row0umod.c, trx/trx0roll.c: - In the rollback of incomplete transactions after crash recovery, - tolerate clustered index records whose externally stored columns - have not been written. - -2008-07-30 The InnoDB Team - - * trx/trx0trx.c: - Fixes a race in recovery where the recovery thread recovering a - PREPARED trx and the background rollback thread can both try - to free the trx after its status is set to COMMITTED_IN_MEMORY. - -2008-07-29 The InnoDB Team - - * include/trx0rec.h, row/row0purge.c, row/row0vers.c, trx/trx0rec.c: - Fix a BLOB corruption bug - -2008-07-15 The InnoDB Team - - * btr/btr0sea.c, dict/dict0dict.c, include/btr0sea.h: - Fixed a timing hole where a thread dropping an index can free the - in-memory index struct while another thread is still using that - structure to remove entries from adaptive hash index belonging - to one of the pages that belongs to the index being dropped. - -2008-07-04 The InnoDB Team - - * mysql-test/innodb-index.result: - Fix the failing innodb-index test by adjusting the result to a new - MySQL behavior (the change occured in BZR-r2667) - -2008-07-03 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test: - Remove the negative test cases that produce warnings - -2008-07-02 The InnoDB Team - - * mysql-test/innodb-replace.result, mysql-test/innodb-index.test: - Disable part of innodb-index test because MySQL changed its behavior - and is not calling ::add_index() anymore when adding primary index on - non-NULL column - -2008-07-01 The InnoDB Team - - * mysql-test/innodb-replace.result, mysql-test/innodb-replace.test: - Fix the failing innodb-replace test by merging changes that MySQL - made to that file (r2659 in MySQL BZR repository) - -2008-07-01 The InnoDB Team - - * lock/lock0lock.c: - Fix Bug#36942 Performance problem in lock_get_n_rec_locks (SHOW INNODB - STATUS) - -2008-07-01 The InnoDB Team - - * ha/ha0ha.c: - Fix Bug#36941 Performance problem in ha_print_info (SHOW INNODB - STATUS) - -2008-07-01 The InnoDB Team - - * handler/ha_innodb.cc, mysql-test/innodb-autoinc.result, - mysql-test/innodb-autoinc.test: - Fix Bug#37531 After truncate, auto_increment behaves incorrectly for - InnoDB - -2008-06-19 The InnoDB Team - - * handler/ha_innodb.cc: - Rewrite the function innodb_plugin_init() to support parameters in - different order (in static and dynamic InnoDB) and to support more - parameters in the static InnoDB - -2008-06-19 The InnoDB Team - - * handler/handler0alter.cc: - Fix a bug in ::add_index() which set the transaction state to "active" - but never restored it to the original value. This bug caused warnings - to be printed by the rpl.rpl_ddl mysql-test. - -2008-06-19 The InnoDB Team - - * mysql-test/patches: - Add a directory which contains patches, which need to be applied to - MySQL source in order to get some mysql-tests to succeed. The patches - cannot be committed in MySQL repository because they are specific to - the InnoDB plugin. - -2008-06-19 The InnoDB Team - - * mysql-test/innodb-zip.result, mysql-test/innodb-zip.test, - row/row0row.c: - Fix an anomaly when updating a record with BLOB prefix - -2008-06-18 The InnoDB Team - - * include/trx0sys.h, srv/srv0start.c, trx/trx0sys.c: - Fix a bug in recovery which was a side effect of the file_format_check - changes - -2008-06-09 The InnoDB Team - - * mysql-test/innodb.result: - Fix the failing innodb test by merging changes that MySQL made to that - file - -2008-06-06 The InnoDB Team - - * buf/buf0buf.c, handler/ha_innodb.cc, include/buf0buf.h, - include/srv0srv.h, srv/srv0srv.c: - Fix Bug#36600 SHOW STATUS takes a lot of CPU in - buf_get_latched_pages_number - - * handler/ha_innodb.cc, os/os0file.c: - Fix Bug#11894 innodb_file_per_table crashes w/ Windows .sym symbolic - link hack - - * include/ut0ut.h, srv/srv0srv.c, ut/ut0ut.c: - Fix Bug#36819 ut_usectime does not handle errors from gettimeofday - - * handler/ha_innodb.cc: - Fix Bug#35602 Failed to read auto-increment value from storage engine - - * srv/srv0start.c: - Fix Bug#36149 Read buffer overflow in srv0start.c found during "make - test" - -2008-05-08 The InnoDB Team - - * btr/btr0btr.c, mysql-test/innodb_bug36172.result, - mysql-test/innodb_bug36172.test: - Fix Bug#36172 insert into compressed innodb table crashes - -2008-05-08 The InnoDB Team - - InnoDB Plugin 1.0.1 released - -2008-05-06 The InnoDB Team - - * handler/ha_innodb.cc, include/srv0srv.h, include/sync0sync.h, - include/trx0sys.h, mysql-test/innodb-zip.result, - mysql-test/innodb-zip.test, srv/srv0srv.c, srv/srv0start.c, - sync/sync0sync.c, trx/trx0sys.c: - Implement the system tablespace tagging - - * handler/ha_innodb.cc, handler/i_s.cc, include/univ.i, - srv/srv0start.c: - Add InnoDB version in INFORMATION_SCHEMA.PLUGINS.PLUGIN_VERSION, - in the startup message and in a server variable innodb_version. - - * sync/sync0sync.c: - Fix a bug in the sync debug code where a lock with level - SYNC_LEVEL_VARYING would cause an assertion failure when a thread - tried to release it. - -2008-04-30 The InnoDB Team - - * Makefile.am: - Fix Bug#36434 ha_innodb.so is installed in the wrong directory - - * handler/ha_innodb.cc: - Merge change from MySQL (Fix Bug#35406 5.1-opt crashes on select from - I_S.REFERENTIAL_CONSTRAINTS): - ChangeSet@1.2563, 2008-03-18 19:42:04+04:00, gluh@mysql.com +1 -0 - - * scripts/install_innodb_plugins.sql: - Added - - * mysql-test/innodb.result: - Merge change from MySQL (this fixes the failing innodb test): - ChangeSet@1.1810.3601.4, 2008-02-07 02:33:21+04:00 - - * row/row0sel.c: - Fix Bug#35226 RBR event crashes slave - - * handler/ha_innodb.cc: - Change the fix for Bug#32440 to show bytes instead of kilobytes in - INFORMATION_SCHEMA.TABLES.DATA_FREE - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test: - Fix Bug#29507 TRUNCATE shows to many rows effected - - * handler/ha_innodb.cc, mysql-test/innodb.result, - mysql-test/innodb.test: - Fix Bug#35537 Innodb doesn't increment handler_update and - handler_delete - -2008-04-29 The InnoDB Team - - * handler/i_s.cc, include/srv0start.h, srv/srv0start.c: - Fix Bug#36310 InnoDB plugin crash - -2008-04-23 The InnoDB Team - - * mysql-test/innodb_bug36169.result, mysql-test/innodb_bug36169.test, - row/row0mysql.c: - Fix Bug#36169 create innodb compressed table with too large row size - crashed - - * (outside the source tree): - Fix Bug#36222 New InnoDB plugin 1.0 has wrong MKDIR_P defined in - Makefile.in - -2008-04-15 The InnoDB Team - - InnoDB Plugin 1.0.0 released From 07220a8cb19a9fdb434947392ce12fbdbb5bd6fc Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 15 Apr 2010 12:15:35 +0300 Subject: [PATCH 224/400] Remove setup.sh which was used when InnoDB was distributed separately. --- storage/innobase/setup.sh | 47 --------------------------------------- 1 file changed, 47 deletions(-) delete mode 100755 storage/innobase/setup.sh diff --git a/storage/innobase/setup.sh b/storage/innobase/setup.sh deleted file mode 100755 index 23fe729a406..00000000000 --- a/storage/innobase/setup.sh +++ /dev/null @@ -1,47 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# -# Prepare the MySQL source code tree for building -# with checked-out InnoDB Subversion directory. - -# This script assumes that the current directory is storage/innobase. - -set -eu - -TARGETDIR=../storage/innobase - -# link the build scripts -BUILDSCRIPTS="compile-innodb compile-innodb-debug" -for script in $BUILDSCRIPTS ; do - ln -sf $TARGETDIR/$script ../../BUILD/ -done - -cd ../../mysql-test/t -ln -sf ../$TARGETDIR/mysql-test/*.test ../$TARGETDIR/mysql-test/*.opt . -cd ../r -ln -sf ../$TARGETDIR/mysql-test/*.result . -cd ../include -ln -sf ../$TARGETDIR/mysql-test/*.inc . - -# Apply any patches that are needed to make the mysql-test suite successful. -# These patches are usually needed because of deviations of behavior between -# the stock InnoDB and the InnoDB Plugin. -cd ../.. -for patch in storage/innobase/mysql-test/patches/*.diff ; do - if [ "${patch}" != "storage/innobase/mysql-test/patches/*.diff" ] ; then - patch -p0 < ${patch} - fi -done From 252c22937ff76f2d6c02ae4700eca9b0d699d20d Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 15 Apr 2010 12:16:40 +0300 Subject: [PATCH 225/400] Remove SVN-specific file. --- storage/innobase/revert_gen.sh | 8 -------- 1 file changed, 8 deletions(-) delete mode 100755 storage/innobase/revert_gen.sh diff --git a/storage/innobase/revert_gen.sh b/storage/innobase/revert_gen.sh deleted file mode 100755 index 231e05a21e0..00000000000 --- a/storage/innobase/revert_gen.sh +++ /dev/null @@ -1,8 +0,0 @@ -#!/bin/bash -# -# revert changes to all generated files. this is useful in some situations -# when merging changes between branches. - -set -eu - -svn revert include/pars0grm.h pars/pars0grm.h pars/lexyy.c pars/pars0grm.c From 19bfc7fded3ebd0dbd025d81f69768d47d2e242c Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 15 Apr 2010 12:33:07 +0300 Subject: [PATCH 226/400] Update compile-innodb to use cmake and remove the debug version. --- storage/innobase/compile-innodb | 21 +++++++++++---------- storage/innobase/compile-innodb-debug | 24 ------------------------ 2 files changed, 11 insertions(+), 34 deletions(-) delete mode 100755 storage/innobase/compile-innodb-debug diff --git a/storage/innobase/compile-innodb b/storage/innobase/compile-innodb index 82601f03ae9..23e7f98e50c 100755 --- a/storage/innobase/compile-innodb +++ b/storage/innobase/compile-innodb @@ -1,24 +1,25 @@ -#! /bin/sh +#!/bin/sh +# +# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. # -# Copyright (c) 2006, 2009, Innobase Oy. All Rights Reserved. -# # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free Software # Foundation; version 2 of the License. -# +# # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# +# # You should have received a copy of the GNU General Public License along with # this program; if not, write to the Free Software Foundation, Inc., 59 Temple # Place, Suite 330, Boston, MA 02111-1307 USA # -path=`dirname $0` -. "$path/SETUP.sh" +# we assume this script is in storage/innobase/ -extra_flags="$pentium_cflags $fast_cflags -g" -extra_configs="$pentium_configs $static_link --with-plugins=innobase" +MYSQL_ROOT="$(dirname ${0})/../.." -. "$path/FINISH.sh" +cd ${MYSQL_ROOT} + +cmake -DWITH_INNOBASE_STORAGE_ENGINE:BOOL=ON +make -j4 diff --git a/storage/innobase/compile-innodb-debug b/storage/innobase/compile-innodb-debug deleted file mode 100755 index efb4abf88d5..00000000000 --- a/storage/innobase/compile-innodb-debug +++ /dev/null @@ -1,24 +0,0 @@ -#! /bin/sh -# -# Copyright (c) 2005, 2009, Innobase Oy. All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free Software -# Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., 59 Temple -# Place, Suite 330, Boston, MA 02111-1307 USA -# - -path=`dirname $0` -. "$path/SETUP.sh" $@ --with-debug=full - -extra_flags="$pentium_cflags $debug_cflags" -extra_configs="$pentium_configs $debug_configs --with-plugins=innobase" - -. "$path/FINISH.sh" From df9dac8c8e065bcd3e97e6fee970e52130274ccd Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 15 Apr 2010 12:36:59 +0300 Subject: [PATCH 227/400] Remove outdated (and now useful anymore) scripts --- storage/innobase/scripts/export.sh | 74 ------------------- .../scripts/install_innodb_plugins.sql | 9 --- .../scripts/install_innodb_plugins_win.sql | 9 --- 3 files changed, 92 deletions(-) delete mode 100755 storage/innobase/scripts/export.sh delete mode 100644 storage/innobase/scripts/install_innodb_plugins.sql delete mode 100644 storage/innobase/scripts/install_innodb_plugins_win.sql diff --git a/storage/innobase/scripts/export.sh b/storage/innobase/scripts/export.sh deleted file mode 100755 index 2a4355c1e43..00000000000 --- a/storage/innobase/scripts/export.sh +++ /dev/null @@ -1,74 +0,0 @@ -#!/bin/bash -# -# export current working directory in a format suitable for sending to MySQL -# as a snapshot. also generates the actual snapshot and sends it to MySQL. - -set -eu - -die () { - echo $* - exit 1 -} - -if [ $# -ne 2 ] ; then - die "Usage: export.sh revision-number-of-last-snapshot current-revision-number" -fi - -# If we are run from within the scripts/ directory then change directory to -# one level up so that the relative paths work. -DIR=`basename $PWD` - -if [ "${DIR}" = "scripts" ]; then - cd .. -fi - -START_REV=$(($1 + 1)) -END_REV=$2 - -set +u -if test -z $EDITOR; then - die "\$EDITOR is not set" -fi -set -u - -rm -rf to-mysql -mkdir to-mysql{,/storage,/patches,/mysql-test{,/t,/r,/include}} -svn log -v -r "$START_REV:BASE" > to-mysql/log -svn export -q . to-mysql/storage/innobase - -REV=$START_REV -while [ $REV -le $END_REV ] -do - PATCH=to-mysql/patches/r$REV.patch - svn log -v -r$REV > $PATCH - if [ $(wc -c < $PATCH) -gt 73 ] - then - svn diff -r$(($REV-1)):$REV >> $PATCH - else - rm $PATCH - fi - REV=$(($REV + 1)) -done - -cd to-mysql/storage/innobase - -mv mysql-test/*.test mysql-test/*.opt ../../mysql-test/t -mv mysql-test/*.result ../../mysql-test/r -mv mysql-test/*.inc ../../mysql-test/include -rmdir mysql-test - -rm setup.sh export.sh revert_gen.sh compile-innodb-debug compile-innodb - -cd ../.. -$EDITOR log -cd .. - -fname="innodb-5.1-ss$2.tar.gz" - -rm -f $fname -tar czf $fname to-mysql -scp $fname mysql:snapshots -rm $fname -rm -rf to-mysql - -echo "Sent $fname to MySQL" diff --git a/storage/innobase/scripts/install_innodb_plugins.sql b/storage/innobase/scripts/install_innodb_plugins.sql deleted file mode 100644 index 3fdb8f11e22..00000000000 --- a/storage/innobase/scripts/install_innodb_plugins.sql +++ /dev/null @@ -1,9 +0,0 @@ --- execute these to install InnoDB if it is built as a dynamic plugin -INSTALL PLUGIN innodb SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.so'; -INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.so'; diff --git a/storage/innobase/scripts/install_innodb_plugins_win.sql b/storage/innobase/scripts/install_innodb_plugins_win.sql deleted file mode 100644 index 8c94b4e240d..00000000000 --- a/storage/innobase/scripts/install_innodb_plugins_win.sql +++ /dev/null @@ -1,9 +0,0 @@ --- execute these to install InnoDB if it is built as a dynamic plugin -INSTALL PLUGIN innodb SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_trx SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_locks SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_lock_waits SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmp SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmp_reset SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmpmem SONAME 'ha_innodb.dll'; -INSTALL PLUGIN innodb_cmpmem_reset SONAME 'ha_innodb.dll'; From 7670eb52418766a98ae0da91922176dae8b6e8dd Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 16 Apr 2010 19:19:07 +0300 Subject: [PATCH 228/400] Move InnoDB mysql-tests to the innodb suite. --- mysql-test/r/innodb-analyze.result | 2 - mysql-test/r/innodb-index.result | 1087 ---------------- mysql-test/r/innodb-index_ucs2.result | 116 -- mysql-test/r/innodb-timeout.result | 38 - mysql-test/r/innodb-use-sys-malloc.result | 48 - mysql-test/r/innodb-zip.result | 421 ------ mysql-test/r/innodb_bug36169.result | 2 - mysql-test/r/innodb_bug36172.result | 1 - mysql-test/r/innodb_bug40360.result | 4 - mysql-test/r/innodb_bug41904.result | 4 - mysql-test/r/innodb_bug44032.result | 7 - mysql-test/r/innodb_file_format.result | 43 - mysql-test/r/innodb_information_schema.result | 23 - .../innodb}/r/innodb-autoinc-44030.result | 0 .../innodb}/r/innodb-autoinc.result | 0 .../innodb}/r/innodb-consistent.result | 0 mysql-test/suite/innodb/r/innodb-index.result | 88 +- .../{ => suite/innodb}/r/innodb-lock.result | 0 .../innodb}/r/innodb-replace.result | 0 .../innodb}/r/innodb-semi-consistent.result | 0 mysql-test/{ => suite/innodb}/r/innodb.result | 0 .../innodb}/r/innodb_bug21704.result | 0 .../innodb}/r/innodb_bug34053.result | 0 .../innodb}/r/innodb_bug34300.result | 0 .../innodb}/r/innodb_bug35220.result | 0 .../innodb}/r/innodb_bug38231.result | 0 .../innodb}/r/innodb_bug39438.result | 0 .../innodb}/r/innodb_bug40565.result | 0 .../innodb}/r/innodb_bug42101-nonzero.result | 0 .../innodb}/r/innodb_bug42101.result | 0 .../innodb}/r/innodb_bug44369.result | 0 .../innodb}/r/innodb_bug44571.result | 0 .../innodb}/r/innodb_bug45357.result | 0 .../innodb}/r/innodb_bug46000.result | 0 .../innodb}/r/innodb_bug47621.result | 0 .../innodb}/r/innodb_bug47622.result | 0 .../innodb}/r/innodb_bug47777.result | 0 .../innodb}/r/innodb_bug51378.result | 0 .../innodb}/r/innodb_bug51920.result | 0 .../suite/innodb/r/innodb_file_format.result | 2 +- .../innodb}/r/innodb_trx_weight.result | 0 .../innodb}/t/innodb-autoinc-44030.test | 0 .../{ => suite/innodb}/t/innodb-autoinc.test | 0 .../innodb}/t/innodb-consistent-master.opt | 0 .../innodb}/t/innodb-consistent.test | 0 mysql-test/suite/innodb/t/innodb-index.test | 193 +-- .../suite/innodb/t/innodb-index_ucs2.test | 2 +- .../{ => suite/innodb}/t/innodb-lock.test | 0 .../{ => suite/innodb}/t/innodb-master.opt | 0 .../{ => suite/innodb}/t/innodb-replace.test | 0 .../t/innodb-semi-consistent-master.opt | 0 .../innodb}/t/innodb-semi-consistent.test | 0 .../innodb/t/innodb-use-sys-malloc-master.opt | 3 +- mysql-test/{ => suite/innodb}/t/innodb.test | 0 .../{ => suite/innodb}/t/innodb_bug21704.test | 0 .../{ => suite/innodb}/t/innodb_bug34053.test | 0 .../{ => suite/innodb}/t/innodb_bug34300.test | 0 .../{ => suite/innodb}/t/innodb_bug35220.test | 0 .../{ => suite/innodb}/t/innodb_bug38231.test | 0 .../innodb}/t/innodb_bug39438-master.opt | 0 .../{ => suite/innodb}/t/innodb_bug39438.test | 0 .../{ => suite/innodb}/t/innodb_bug40565.test | 0 .../t/innodb_bug42101-nonzero-master.opt | 0 .../innodb}/t/innodb_bug42101-nonzero.test | 0 .../{ => suite/innodb}/t/innodb_bug42101.test | 0 .../{ => suite/innodb}/t/innodb_bug44369.test | 0 .../{ => suite/innodb}/t/innodb_bug44571.test | 0 .../{ => suite/innodb}/t/innodb_bug45357.test | 0 .../{ => suite/innodb}/t/innodb_bug46000.test | 0 .../{ => suite/innodb}/t/innodb_bug47621.test | 0 .../{ => suite/innodb}/t/innodb_bug47622.test | 0 .../{ => suite/innodb}/t/innodb_bug47777.test | 0 .../{ => suite/innodb}/t/innodb_bug51378.test | 0 .../{ => suite/innodb}/t/innodb_bug51920.test | 0 .../suite/innodb/t/innodb_file_format.test | 15 +- .../innodb}/t/innodb_trx_weight.test | 0 mysql-test/t/innodb-analyze.test | 65 - mysql-test/t/innodb-index.test | 553 -------- mysql-test/t/innodb-index_ucs2.test | 5 - mysql-test/t/innodb-timeout.test | 64 - mysql-test/t/innodb-use-sys-malloc-master.opt | 1 - mysql-test/t/innodb-use-sys-malloc.test | 48 - mysql-test/t/innodb-zip.test | 343 ----- mysql-test/t/innodb_bug36169.test | 1159 ----------------- mysql-test/t/innodb_bug36172.test | 32 - mysql-test/t/innodb_bug40360.test | 16 - mysql-test/t/innodb_bug41904.test | 14 - mysql-test/t/innodb_bug44032.test | 13 - mysql-test/t/innodb_file_format.test | 29 - mysql-test/t/innodb_information_schema.test | 149 --- 90 files changed, 107 insertions(+), 4483 deletions(-) delete mode 100644 mysql-test/r/innodb-analyze.result delete mode 100644 mysql-test/r/innodb-index.result delete mode 100644 mysql-test/r/innodb-index_ucs2.result delete mode 100644 mysql-test/r/innodb-timeout.result delete mode 100644 mysql-test/r/innodb-use-sys-malloc.result delete mode 100644 mysql-test/r/innodb-zip.result delete mode 100644 mysql-test/r/innodb_bug36169.result delete mode 100644 mysql-test/r/innodb_bug36172.result delete mode 100644 mysql-test/r/innodb_bug40360.result delete mode 100644 mysql-test/r/innodb_bug41904.result delete mode 100644 mysql-test/r/innodb_bug44032.result delete mode 100644 mysql-test/r/innodb_file_format.result delete mode 100644 mysql-test/r/innodb_information_schema.result rename mysql-test/{ => suite/innodb}/r/innodb-autoinc-44030.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb-autoinc.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb-consistent.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb-lock.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb-replace.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb-semi-consistent.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug21704.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug34053.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug34300.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug35220.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug38231.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug39438.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug40565.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug42101-nonzero.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug42101.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug44369.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug44571.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug45357.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug46000.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug47621.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug47622.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug47777.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug51378.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_bug51920.result (100%) rename mysql-test/{ => suite/innodb}/r/innodb_trx_weight.result (100%) rename mysql-test/{ => suite/innodb}/t/innodb-autoinc-44030.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb-autoinc.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb-consistent-master.opt (100%) rename mysql-test/{ => suite/innodb}/t/innodb-consistent.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb-lock.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb-master.opt (100%) rename mysql-test/{ => suite/innodb}/t/innodb-replace.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb-semi-consistent-master.opt (100%) rename mysql-test/{ => suite/innodb}/t/innodb-semi-consistent.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug21704.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug34053.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug34300.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug35220.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug38231.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug39438-master.opt (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug39438.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug40565.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug42101-nonzero-master.opt (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug42101-nonzero.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug42101.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug44369.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug44571.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug45357.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug46000.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug47621.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug47622.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug47777.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug51378.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_bug51920.test (100%) rename mysql-test/{ => suite/innodb}/t/innodb_trx_weight.test (100%) delete mode 100644 mysql-test/t/innodb-analyze.test delete mode 100644 mysql-test/t/innodb-index.test delete mode 100644 mysql-test/t/innodb-index_ucs2.test delete mode 100644 mysql-test/t/innodb-timeout.test delete mode 100644 mysql-test/t/innodb-use-sys-malloc-master.opt delete mode 100644 mysql-test/t/innodb-use-sys-malloc.test delete mode 100644 mysql-test/t/innodb-zip.test delete mode 100644 mysql-test/t/innodb_bug36169.test delete mode 100644 mysql-test/t/innodb_bug36172.test delete mode 100644 mysql-test/t/innodb_bug40360.test delete mode 100644 mysql-test/t/innodb_bug41904.test delete mode 100644 mysql-test/t/innodb_bug44032.test delete mode 100644 mysql-test/t/innodb_file_format.test delete mode 100644 mysql-test/t/innodb_information_schema.test diff --git a/mysql-test/r/innodb-analyze.result b/mysql-test/r/innodb-analyze.result deleted file mode 100644 index 2aee004a2d6..00000000000 --- a/mysql-test/r/innodb-analyze.result +++ /dev/null @@ -1,2 +0,0 @@ -Variable_name Value -innodb_stats_sample_pages 1 diff --git a/mysql-test/r/innodb-index.result b/mysql-test/r/innodb-index.result deleted file mode 100644 index 5d67a06b80f..00000000000 --- a/mysql-test/r/innodb-index.result +++ /dev/null @@ -1,1087 +0,0 @@ -create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; -insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); -commit; -alter table t1 add index b (b), add index b (b); -ERROR 42000: Duplicate key name 'b' -alter table t1 add index (b,b); -ERROR 42S21: Duplicate column name 'b' -alter table t1 add index d2 (d); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(d2) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d2 23 NULL 4 -select * from t1 force index (d2) order by d; -a b c d -3 4 ad ad -2 3 ak ak -5 5 oo oo -4 4 tr tr -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '4' for key 'b' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - KEY `d2` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (c), add index (d); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 4 -alter table t1 add primary key (a), drop index c; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add primary key (c); -ERROR 42000: Multiple primary key defined -alter table t1 drop primary key, add primary key (b); -ERROR 23000: Duplicate entry '4' for key 'PRIMARY' -create unique index c on t1 (c); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 4 -select * from t1 force index(c) order by c; -a b c d -3 4 ad ad -2 3 ak ak -5 5 oo oo -4 4 tr tr -alter table t1 drop index b, add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `d` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -insert into t1 values(6,1,'ggg','ggg'); -select * from t1; -a b c d -2 3 ak ak -3 4 ad ad -4 4 tr tr -5 5 oo oo -6 1 ggg ggg -select * from t1 force index(b) order by b; -a b c d -6 1 ggg ggg -2 3 ak ak -3 4 ad ad -4 4 tr tr -5 5 oo oo -select * from t1 force index(c) order by c; -a b c d -3 4 ad ad -2 3 ak ak -6 1 ggg ggg -5 5 oo oo -4 4 tr tr -select * from t1 force index(d) order by d; -a b c d -3 4 ad ad -2 3 ak ak -6 1 ggg ggg -5 5 oo oo -4 4 tr tr -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 5 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 10 NULL 5 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 23 NULL 5 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) NOT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `d2` (`d`), - KEY `d` (`d`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add index (c(2)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (d(10)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `d` (`d`(10)), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -insert into t1 values(5,1,'ggg','ggg'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `d` (`d`(10)), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 drop index d; -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -5 1 ggg ggg -8 9 fff fff -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 3 ad ad -4 4 afe afe -8 9 fff fff -5 1 ggg ggg -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -explain select * from t1 order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`(2)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b,c); -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 5 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add index (b,c); -insert into t1 values(11,11,'kkk','kkk'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`), - KEY `b_2` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t1 add unique index (c,d); -insert into t1 values(13,13,'yyy','aaa'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -select * from t1 force index(c) order by c; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -11 11 kkk kkk -13 13 yyy aaa -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 16 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 34 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`,`c`), - UNIQUE KEY `c` (`c`,`d`), - KEY `b_2` (`b`,`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; -create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; -create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; -create table t2(a int not null, b int not null, c int not null, d int not null, e int, -foreign key (b) references t1(b) on delete cascade, -foreign key (c) references t3(c), foreign key (d) references t4(d)) -engine = innodb; -alter table t1 drop index b; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -alter table t3 drop index c; -ERROR HY000: Cannot drop index 'c': needed in a foreign key constraint -alter table t4 drop index d; -ERROR HY000: Cannot drop index 'd': needed in a foreign key constraint -alter table t2 drop index b; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -alter table t2 drop index b, drop index c, drop index d; -ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint -create unique index dc on t2 (d,c); -create index dc on t1 (b,c); -alter table t2 add primary key (a); -insert into t1 values (1,1,1); -insert into t3 values (1,1,1); -insert into t4 values (1,1,1); -insert into t2 values (1,1,1,1,1); -commit; -alter table t4 add constraint dc foreign key (a) references t1(a); -show create table t4; -Table Create Table -t4 CREATE TABLE `t4` ( - `a` int(11) NOT NULL, - `d` int(11) NOT NULL, - `e` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `d` (`d`), - CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t3 add constraint dc foreign key (a) references t1(a); -ERROR HY000: Can't create table '#sql-temporary' (errno: 121) -show create table t3; -Table Create Table -t3 CREATE TABLE `t3` ( - `a` int(11) NOT NULL, - `c` int(11) NOT NULL, - `d` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `c` (`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -alter table t2 drop index b, add index (b); -ERROR 42000: Incorrect index name 'b' -show create table t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - `c` int(11) NOT NULL, - `d` int(11) NOT NULL, - `e` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `dc` (`d`,`c`), - KEY `b` (`b`), - KEY `c` (`c`), - CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE, - CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`), - CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -delete from t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)) -drop index dc on t4; -ERROR 42000: Can't DROP 'dc'; check that column/key exists -alter table t3 drop foreign key dc; -ERROR HY000: Error on rename of './test/t3' to '#sql2-temporary' (errno: 152) -alter table t4 drop foreign key dc; -select * from t2; -a b c d e -1 1 1 1 1 -delete from t1; -select * from t2; -a b c d e -drop table t2,t4,t3,t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=utf8; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '2' for key 'b' -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -alter table t1 add index (b); -insert into t1 values(10,10,'kkk','iii'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -alter table t1 add unique index (c), add index (d); -insert into t1 values(11,11,'aaa','mmm'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(c) order by c; -a b c d -11 11 aaa mmm -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 31 NULL 7 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 63 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; -create table t1(a int not null, b int) engine = innodb; -insert into t1 values (1,1),(1,1),(1,1),(1,1); -alter table t1 add unique index (a); -ERROR 23000: Duplicate entry '1' for key 'a' -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '1' for key 'b' -alter table t1 add unique index (a), add unique index(b); -ERROR 23000: Duplicate entry '1' for key 'a' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; -alter table t1 drop index c, drop index b; -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `c` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, primary key(a)) engine = innodb; -alter table t1 add index (b); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); -alter table t1 add unique index (b), add unique index (c), add unique index (d); -ERROR 23000: Duplicate entry '4' for key 'b' -alter table t1 add unique index (c), add unique index (b), add index (d); -ERROR 23000: Duplicate entry 'ac' for key 'c' -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -drop table t1; -create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; -insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); -alter table t1 add unique index (b); -insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - `c` int(11) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `b` (`b`), - KEY `c` (`c`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 5 NULL 9 -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 9 -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 4 NULL 9 -select * from t1 order by a; -a b c -1 5 1 -2 4 2 -3 3 3 -4 2 4 -5 1 5 -10 20 20 -11 19 19 -12 18 18 -13 17 17 -select * from t1 force index(b) order by b; -a b c -5 1 5 -4 2 4 -3 3 3 -2 4 2 -1 5 1 -13 17 17 -12 18 18 -11 19 19 -10 20 20 -select * from t1 force index(c) order by c; -a b c -1 5 1 -2 4 2 -3 3 3 -4 2 4 -5 1 5 -13 17 17 -12 18 18 -11 19 19 -10 20 20 -drop table t1; -create table t1(a int not null, b int not null) engine=innodb; -insert into t1 values (1,1); -alter table t1 add primary key(b); -insert into t1 values (2,2); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) NOT NULL, - PRIMARY KEY (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -select * from t1; -a b -1 1 -2 2 -explain select * from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort -explain select * from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 -checksum table t1; -Table Checksum -test.t1 582702641 -drop table t1; -create table t1(a int not null) engine=innodb; -insert into t1 values (1); -alter table t1 add primary key(a); -insert into t1 values (2); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -commit; -select * from t1; -a -1 -2 -explain select * from t1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index -explain select * from t1 order by a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index -drop table t1; -create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; -create table t3(a int primary key) engine=innodb; -insert into t3 values(22),(44),(33),(55),(66); -insert into t2 values ('jejdkrun87'),('adfd72nh9k'), -('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); -create table t1(a int, b blob, c text, d text not null) -engine=innodb default charset = utf8; -insert into t1 -select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; -drop table t2, t3; -select count(*) from t1 where a=44; -count(*) -5 -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d -22 22000 1 4400 1 adfd72nh9k -22 35200 1 7040 1 adfdijn0loKNHJik -22 28600 1 5720 1 adfdijnmnb78k -22 26400 1 5280 1 adfdpplkeock -22 22000 1 4400 1 jejdkrun87 -33 33000 1 6600 1 adfd72nh9k -33 52800 1 10560 1 adfdijn0loKNHJik -33 42900 1 8580 1 adfdijnmnb78k -33 39600 1 7920 1 adfdpplkeock -33 33000 1 6600 1 jejdkrun87 -44 44000 1 8800 1 adfd72nh9k -44 65535 1 14080 1 adfdijn0loKNHJik -44 57200 1 11440 1 adfdijnmnb78k -44 52800 1 10560 1 adfdpplkeock -44 44000 1 8800 1 jejdkrun87 -55 55000 1 11000 1 adfd72nh9k -55 65535 1 17600 1 adfdijn0loKNHJik -55 65535 1 14300 1 adfdijnmnb78k -55 65535 1 13200 1 adfdpplkeock -55 55000 1 11000 1 jejdkrun87 -66 65535 1 13200 1 adfd72nh9k -66 65535 1 21120 1 adfdijn0loKNHJik -66 65535 1 17160 1 adfdijnmnb78k -66 65535 1 15840 1 adfdpplkeock -66 65535 1 13200 1 jejdkrun87 -alter table t1 add primary key (a), add key (b(20)); -ERROR 23000: Duplicate entry '22' for key 'PRIMARY' -delete from t1 where a%2; -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); -select count(*) from t1 where a=44; -count(*) -5 -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d -22 22000 1 4400 1 adfd72nh9k -22 35200 1 7040 1 adfdijn0loKNHJik -22 28600 1 5720 1 adfdijnmnb78k -22 26400 1 5280 1 adfdpplkeock -22 22000 1 4400 1 jejdkrun87 -44 44000 1 8800 1 adfd72nh9k -44 65535 1 14080 1 adfdijn0loKNHJik -44 57200 1 11440 1 adfdijnmnb78k -44 52800 1 10560 1 adfdpplkeock -44 44000 1 8800 1 jejdkrun87 -66 65535 1 13200 1 adfd72nh9k -66 65535 1 21120 1 adfdijn0loKNHJik -66 65535 1 17160 1 adfdijnmnb78k -66 65535 1 15840 1 adfdpplkeock -66 65535 1 13200 1 jejdkrun87 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL DEFAULT '0', - `b` blob NOT NULL, - `c` text NOT NULL, - `d` text NOT NULL, - PRIMARY KEY (`a`,`b`(255),`c`(255)), - KEY `b` (`b`(767)) -) ENGINE=InnoDB DEFAULT CHARSET=utf8 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -explain select * from t1 where b like 'adfd%'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where -drop table t1; -set global innodb_file_per_table=on; -set global innodb_file_format='Barracuda'; -create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, -i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, -q blob,r blob,s blob,t blob,u blob) -engine=innodb row_format=dynamic; -create index t1a on t1 (a(1)); -create index t1b on t1 (b(1)); -create index t1c on t1 (c(1)); -create index t1d on t1 (d(1)); -create index t1e on t1 (e(1)); -create index t1f on t1 (f(1)); -create index t1g on t1 (g(1)); -create index t1h on t1 (h(1)); -create index t1i on t1 (i(1)); -create index t1j on t1 (j(1)); -create index t1k on t1 (k(1)); -create index t1l on t1 (l(1)); -create index t1m on t1 (m(1)); -create index t1n on t1 (n(1)); -create index t1o on t1 (o(1)); -create index t1p on t1 (p(1)); -create index t1q on t1 (q(1)); -create index t1r on t1 (r(1)); -create index t1s on t1 (s(1)); -create index t1t on t1 (t(1)); -create index t1u on t1 (u(1)); -ERROR HY000: Too big row -create index t1ut on t1 (u(1), t(1)); -ERROR HY000: Too big row -create index t1st on t1 (s(1), t(1)); -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` blob, - `b` blob, - `c` blob, - `d` blob, - `e` blob, - `f` blob, - `g` blob, - `h` blob, - `i` blob, - `j` blob, - `k` blob, - `l` blob, - `m` blob, - `n` blob, - `o` blob, - `p` blob, - `q` blob, - `r` blob, - `s` blob, - `t` blob, - `u` blob, - KEY `t1a` (`a`(1)), - KEY `t1b` (`b`(1)), - KEY `t1c` (`c`(1)), - KEY `t1d` (`d`(1)), - KEY `t1e` (`e`(1)), - KEY `t1f` (`f`(1)), - KEY `t1g` (`g`(1)), - KEY `t1h` (`h`(1)), - KEY `t1i` (`i`(1)), - KEY `t1j` (`j`(1)), - KEY `t1k` (`k`(1)), - KEY `t1l` (`l`(1)), - KEY `t1m` (`m`(1)), - KEY `t1n` (`n`(1)), - KEY `t1o` (`o`(1)), - KEY `t1p` (`p`(1)), - KEY `t1q` (`q`(1)), - KEY `t1r` (`r`(1)), - KEY `t1s` (`s`(1)), - KEY `t1t` (`t`(1)), - KEY `t1st` (`s`(1),`t`(1)) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC -create index t1u on t1 (u(1)); -ERROR HY000: Too big row -alter table t1 row_format=compact; -create index t1u on t1 (u(1)); -drop table t1; -set global innodb_file_per_table=0; -set global innodb_file_format=Antelope; -set global innodb_file_format_check=Antelope; -SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; -SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; -CREATE TABLE t1( -c1 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3) REFERENCES t1(c1); -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; -INSERT INTO t2 VALUES(0,0,0); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -INSERT INTO t1 VALUES(0); -INSERT INTO t2 VALUES(0,0,0); -DROP TABLE t2; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1,c2,c3) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3) REFERENCES t1(c1); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`,`c2`,`c3`), - KEY `fk_t2_ca` (`c3`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`,`c2`,`c3`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -INSERT INTO t2 VALUES(0,0,1); -ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -INSERT INTO t2 VALUES(0,0,0); -DELETE FROM t1; -ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)) -DELETE FROM t2; -DROP TABLE t2; -DROP TABLE t1; -CREATE TABLE t1( -c1 BIGINT(12) NOT NULL, -c2 INT(4) NOT NULL, -PRIMARY KEY (c2,c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -CREATE TABLE t2( -c1 BIGINT(16) NOT NULL, -c2 BIGINT(12) NOT NULL, -c3 BIGINT(12) NOT NULL, -PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); -ERROR HY000: Can't create table '#sql-temporary' (errno: 150) -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca -FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -SHOW CREATE TABLE t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `c1` bigint(12) NOT NULL, - `c2` bigint(12) NOT NULL, - PRIMARY KEY (`c2`,`c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `fk_t2_ca` (`c3`,`c2`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; -Table Create Table -t2 CREATE TABLE `t2` ( - `c1` bigint(16) NOT NULL, - `c2` bigint(12) NOT NULL, - `c3` bigint(12) NOT NULL, - PRIMARY KEY (`c1`), - KEY `i_t2_c2_c1` (`c2`,`c1`), - KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`), - KEY `i_t2_c3_c2` (`c3`,`c2`), - CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1 -DROP TABLE t2; -DROP TABLE t1; diff --git a/mysql-test/r/innodb-index_ucs2.result b/mysql-test/r/innodb-index_ucs2.result deleted file mode 100644 index c8a1e8c7da1..00000000000 --- a/mysql-test/r/innodb-index_ucs2.result +++ /dev/null @@ -1,116 +0,0 @@ -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=ucs2; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b); -ERROR 23000: Duplicate entry '2' for key 'b' -insert into t1 values(8,9,'fff','fff'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -alter table t1 add index (b); -insert into t1 values(10,10,'kkk','iii'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 6 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - KEY `b` (`b`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -alter table t1 add unique index (c), add index (d); -insert into t1 values(11,11,'aaa','mmm'); -select * from t1; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(b) order by b; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -select * from t1 force index(c) order by c; -a b c d -11 11 aaa mmm -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -select * from t1 force index(d) order by d; -a b c d -1 1 ab ab -2 2 ac ac -3 2 ad ad -4 4 afe afe -8 9 fff fff -10 10 kkk iii -11 11 aaa mmm -explain select * from t1 force index(b) order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL b 5 NULL 7 -explain select * from t1 force index(c) order by c; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL c 21 NULL 7 -explain select * from t1 force index(d) order by d; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL d 43 NULL 7 -show create table t1; -Table Create Table -t1 CREATE TABLE `t1` ( - `a` int(11) NOT NULL, - `b` int(11) DEFAULT NULL, - `c` char(10) DEFAULT NULL, - `d` varchar(20) DEFAULT NULL, - PRIMARY KEY (`a`), - UNIQUE KEY `c` (`c`), - KEY `b` (`b`), - KEY `d` (`d`) -) ENGINE=InnoDB DEFAULT CHARSET=ucs2 -check table t1; -Table Op Msg_type Msg_text -test.t1 check status OK -drop table t1; diff --git a/mysql-test/r/innodb-timeout.result b/mysql-test/r/innodb-timeout.result deleted file mode 100644 index be9a688cd72..00000000000 --- a/mysql-test/r/innodb-timeout.result +++ /dev/null @@ -1,38 +0,0 @@ -set global innodb_lock_wait_timeout=42; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -1 -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set global innodb_lock_wait_timeout=347; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -42 -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -1 -select @@innodb_lock_wait_timeout; -@@innodb_lock_wait_timeout -347 -create table t1(a int primary key)engine=innodb; -begin; -insert into t1 values(1),(2),(3); -select * from t1 for update; -commit; -a -1 -2 -3 -begin; -insert into t1 values(4); -select * from t1 for update; -commit; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -drop table t1; -set global innodb_lock_wait_timeout=50; diff --git a/mysql-test/r/innodb-use-sys-malloc.result b/mysql-test/r/innodb-use-sys-malloc.result deleted file mode 100644 index 2ec4c7c8130..00000000000 --- a/mysql-test/r/innodb-use-sys-malloc.result +++ /dev/null @@ -1,48 +0,0 @@ -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -SET @@GLOBAL.innodb_use_sys_malloc=0; -ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable -Expected error 'Read only variable' -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -drop table if exists t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -SET @@GLOBAL.innodb_use_sys_malloc=0; -ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable -Expected error 'Read only variable' -SELECT @@GLOBAL.innodb_use_sys_malloc; -@@GLOBAL.innodb_use_sys_malloc -1 -1 Expected -drop table if exists t1; -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -a -1 -2 -3 -4 -5 -6 -7 -drop table t1; diff --git a/mysql-test/r/innodb-zip.result b/mysql-test/r/innodb-zip.result deleted file mode 100644 index bcd3849238f..00000000000 --- a/mysql-test/r/innodb-zip.result +++ /dev/null @@ -1,421 +0,0 @@ -set global innodb_file_per_table=off; -set global innodb_file_format=`0`; -create table t0(a int primary key) engine=innodb row_format=compressed; -Warnings: -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t00(a int primary key) engine=innodb -key_block_size=4 row_format=compressed; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=4. -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t1(a int primary key) engine=innodb row_format=dynamic; -Warnings: -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t2(a int primary key) engine=innodb row_format=redundant; -create table t3(a int primary key) engine=innodb row_format=compact; -create table t4(a int primary key) engine=innodb key_block_size=9; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. -create table t5(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. -set global innodb_file_per_table=on; -create table t6(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1. -set global innodb_file_format=`1`; -create table t7(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t8(a int primary key) engine=innodb -key_block_size=1 row_format=fixed; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT. -create table t9(a int primary key) engine=innodb -key_block_size=1 row_format=compact; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t10(a int primary key) engine=innodb -key_block_size=1 row_format=dynamic; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED. -create table t11(a int primary key) engine=innodb -key_block_size=1 row_format=compressed; -create table t12(a int primary key) engine=innodb -key_block_size=1; -create table t13(a int primary key) engine=innodb -row_format=compressed; -create table t14(a int primary key) engine=innodb key_block_size=9; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9. -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t0 Compact -test t00 Compact -test t1 Compact -test t10 Dynamic -test t11 Compressed -test t12 Compressed -test t13 Compressed -test t14 Compact -test t2 Redundant -test t3 Compact -test t4 Compact -test t5 Redundant -test t6 Redundant -test t7 Redundant -test t8 Compact -test t9 Compact -drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; -alter table t1 key_block_size=0; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. -alter table t1 row_format=dynamic; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Dynamic -alter table t1 row_format=compact; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compact -alter table t1 row_format=redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Redundant -drop table t1; -create table t1(a int not null, b text, index(b(10))) engine=innodb -key_block_size=1; -create table t2(b text)engine=innodb; -insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); -insert into t1 select 1, b from t2; -commit; -begin; -update t1 set b=repeat('B',100); -select a,left(b,40) from t1 natural join t2; -a left(b,40) -1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA -rollback; -select a,left(b,40) from t1 natural join t2; -a left(b,40) -1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compressed -test t2 Compact -drop table t1,t2; -SET SESSION innodb_strict_mode = off; -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1( -c TEXT NOT NULL, d TEXT NOT NULL, -PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; -drop table t1; -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); -DROP TABLE t1; -create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, -primary key(c1, c2(22), c3(22))) -engine = innodb row_format = dynamic; -begin; -insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), -repeat('C', 20000)); -update t1 set c3 = repeat('D', 20000) where c1 = 1; -commit; -select count(*) from t1 where c2 = repeat('A', 20000); -count(*) -1 -select count(*) from t1 where c3 = repeat('D', 20000); -count(*) -1 -select count(*) from t1 where c4 = repeat('C', 20000); -count(*) -1 -update t1 set c3 = repeat('E', 20000) where c1 = 1; -drop table t1; -set global innodb_file_format=`0`; -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format=`1`; -select @@innodb_file_format; -@@innodb_file_format -Barracuda -set global innodb_file_format=`2`; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '2' -set global innodb_file_format=`-1`; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '-1' -set global innodb_file_format=`Antelope`; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format=`Cheetah`; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'Cheetah' -set global innodb_file_format=`abc`; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'abc' -set global innodb_file_format=`1a`; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '1a' -set global innodb_file_format=``; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of '' -set global innodb_file_per_table = on; -set global innodb_file_format = `1`; -set innodb_strict_mode = off; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -Warnings: -Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0. -drop table t1; -set innodb_strict_mode = on; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16] -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 9; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 1; -create table t4 (id int primary key) engine = innodb key_block_size = 2; -create table t5 (id int primary key) engine = innodb key_block_size = 4; -create table t6 (id int primary key) engine = innodb key_block_size = 8; -create table t7 (id int primary key) engine = innodb key_block_size = 16; -create table t8 (id int primary key) engine = innodb row_format = compressed; -create table t9 (id int primary key) engine = innodb row_format = dynamic; -create table t10(id int primary key) engine = innodb row_format = compact; -create table t11(id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t10 Compact -test t11 Redundant -test t3 Compressed -test t4 Compressed -test t5 Compressed -test t6 Compressed -test t7 Compressed -test t8 Compressed -test t9 Dynamic -drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; -create table t1 (id int primary key) engine = innodb -key_block_size = 8 row_format = compressed; -create table t2 (id int primary key) engine = innodb -key_block_size = 8 row_format = redundant; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb -key_block_size = 8 row_format = compact; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb -key_block_size = 8 row_format = dynamic; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb -key_block_size = 8 row_format = default; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t5' (errno: 1478) -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t1 Compressed -drop table t1; -create table t1 (id int primary key) engine = innodb -key_block_size = 9 row_format = redundant; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = compact; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = dynamic; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16] -Warning 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE. -Error 1005 Can't create table 'test.t2' (errno: 1478) -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -set global innodb_file_per_table = off; -create table t1 (id int primary key) engine = innodb key_block_size = 1; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 2; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 4; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb key_block_size = 8; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb key_block_size = 16; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table. -Error 1005 Can't create table 'test.t5' (errno: 1478) -create table t6 (id int primary key) engine = innodb row_format = compressed; -ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table. -Error 1005 Can't create table 'test.t6' (errno: 1478) -create table t7 (id int primary key) engine = innodb row_format = dynamic; -ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table. -Error 1005 Can't create table 'test.t7' (errno: 1478) -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t8 Compact -test t9 Redundant -drop table t8, t9; -set global innodb_file_per_table = on; -set global innodb_file_format = `0`; -create table t1 (id int primary key) engine = innodb key_block_size = 1; -ERROR HY000: Can't create table 'test.t1' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t1' (errno: 1478) -create table t2 (id int primary key) engine = innodb key_block_size = 2; -ERROR HY000: Can't create table 'test.t2' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t2' (errno: 1478) -create table t3 (id int primary key) engine = innodb key_block_size = 4; -ERROR HY000: Can't create table 'test.t3' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t3' (errno: 1478) -create table t4 (id int primary key) engine = innodb key_block_size = 8; -ERROR HY000: Can't create table 'test.t4' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t4' (errno: 1478) -create table t5 (id int primary key) engine = innodb key_block_size = 16; -ERROR HY000: Can't create table 'test.t5' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t5' (errno: 1478) -create table t6 (id int primary key) engine = innodb row_format = compressed; -ERROR HY000: Can't create table 'test.t6' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t6' (errno: 1478) -create table t7 (id int primary key) engine = innodb row_format = dynamic; -ERROR HY000: Can't create table 'test.t7' (errno: 1478) -show warnings; -Level Code Message -Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope. -Error 1005 Can't create table 'test.t7' (errno: 1478) -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -table_schema table_name row_format -test t8 Compact -test t9 Redundant -drop table t8, t9; -set global innodb_file_per_table=0; -set global innodb_file_format=Antelope; -set global innodb_file_per_table=on; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format_check=`Antelope`; -create table normal_table ( -c1 int -) engine = innodb; -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -create table zip_table ( -c1 int -) engine = innodb key_block_size = 8; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=`Antelope`; -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -show table status; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -drop table normal_table, zip_table; diff --git a/mysql-test/r/innodb_bug36169.result b/mysql-test/r/innodb_bug36169.result deleted file mode 100644 index aa80e4d7aa4..00000000000 --- a/mysql-test/r/innodb_bug36169.result +++ /dev/null @@ -1,2 +0,0 @@ -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=ON; diff --git a/mysql-test/r/innodb_bug36172.result b/mysql-test/r/innodb_bug36172.result deleted file mode 100644 index 195775f74c8..00000000000 --- a/mysql-test/r/innodb_bug36172.result +++ /dev/null @@ -1 +0,0 @@ -SET storage_engine=InnoDB; diff --git a/mysql-test/r/innodb_bug40360.result b/mysql-test/r/innodb_bug40360.result deleted file mode 100644 index ef4cf463903..00000000000 --- a/mysql-test/r/innodb_bug40360.result +++ /dev/null @@ -1,4 +0,0 @@ -SET TX_ISOLATION='READ-COMMITTED'; -CREATE TABLE bug40360 (a INT) engine=innodb; -INSERT INTO bug40360 VALUES (1); -DROP TABLE bug40360; diff --git a/mysql-test/r/innodb_bug41904.result b/mysql-test/r/innodb_bug41904.result deleted file mode 100644 index 6070d32d181..00000000000 --- a/mysql-test/r/innodb_bug41904.result +++ /dev/null @@ -1,4 +0,0 @@ -CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; -INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); -CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); -DROP TABLE bug41904; diff --git a/mysql-test/r/innodb_bug44032.result b/mysql-test/r/innodb_bug44032.result deleted file mode 100644 index da2a000b06e..00000000000 --- a/mysql-test/r/innodb_bug44032.result +++ /dev/null @@ -1,7 +0,0 @@ -CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT -ENGINE=InnoDB; -INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); -UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; -UPDATE bug44032 SET c=NULL WHERE c='DDD'; -UPDATE bug44032 SET c='DDD' WHERE c IS NULL; -DROP TABLE bug44032; diff --git a/mysql-test/r/innodb_file_format.result b/mysql-test/r/innodb_file_format.result deleted file mode 100644 index 6a573d8658e..00000000000 --- a/mysql-test/r/innodb_file_format.result +++ /dev/null @@ -1,43 +0,0 @@ -select @@innodb_file_format; -@@innodb_file_format -Antelope -select @@innodb_file_format_check; -@@innodb_file_format_check -Antelope -set global innodb_file_format=antelope; -set global innodb_file_format=barracuda; -set global innodb_file_format=cheetah; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'cheetah' -select @@innodb_file_format; -@@innodb_file_format -Barracuda -set global innodb_file_format=default; -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format=on; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'ON' -set global innodb_file_format=off; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'off' -select @@innodb_file_format; -@@innodb_file_format -Antelope -set global innodb_file_format_check=antelope; -set global innodb_file_format_check=barracuda; -set global innodb_file_format_check=cheetah; -ERROR 42000: Variable 'innodb_file_format_check' can't be set to the value of 'cheetah' -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=default; -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format=on; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'ON' -set global innodb_file_format=off; -ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'off' -select @@innodb_file_format_check; -@@innodb_file_format_check -Barracuda -set global innodb_file_format_check=antelope; diff --git a/mysql-test/r/innodb_information_schema.result b/mysql-test/r/innodb_information_schema.result deleted file mode 100644 index 396cae579ce..00000000000 --- a/mysql-test/r/innodb_information_schema.result +++ /dev/null @@ -1,23 +0,0 @@ -lock_mode lock_type lock_table lock_index lock_rec lock_data -X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' -X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' -X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' -X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' -X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' -X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' -X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' -X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' -X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 -X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 -X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 -X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 -X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record -X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record -lock_table COUNT(*) -`test`.`t_max` 2 -`test`.`t_min` 2 -`test`.```t'\"_str` 10 -lock_table COUNT(*) -"test"."t_max" 2 -"test"."t_min" 2 -"test"."`t'\""_str" 10 diff --git a/mysql-test/r/innodb-autoinc-44030.result b/mysql-test/suite/innodb/r/innodb-autoinc-44030.result similarity index 100% rename from mysql-test/r/innodb-autoinc-44030.result rename to mysql-test/suite/innodb/r/innodb-autoinc-44030.result diff --git a/mysql-test/r/innodb-autoinc.result b/mysql-test/suite/innodb/r/innodb-autoinc.result similarity index 100% rename from mysql-test/r/innodb-autoinc.result rename to mysql-test/suite/innodb/r/innodb-autoinc.result diff --git a/mysql-test/r/innodb-consistent.result b/mysql-test/suite/innodb/r/innodb-consistent.result similarity index 100% rename from mysql-test/r/innodb-consistent.result rename to mysql-test/suite/innodb/r/innodb-consistent.result diff --git a/mysql-test/suite/innodb/r/innodb-index.result b/mysql-test/suite/innodb/r/innodb-index.result index 67fbe0dce02..5d67a06b80f 100644 --- a/mysql-test/suite/innodb/r/innodb-index.result +++ b/mysql-test/suite/innodb/r/innodb-index.result @@ -46,13 +46,6 @@ t1 CREATE TABLE `t1` ( KEY `d2` (`d`), KEY `b` (`b`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 -CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; -alter table t1 add unique index (c), add index (d); -ERROR HY000: Table 'test.t1#1' already exists -rename table `t1#1` to `t1#2`; -alter table t1 add unique index (c), add index (d); -ERROR HY000: Table 'test.t1#2' already exists -drop table `t1#2`; alter table t1 add unique index (c), add index (d); show create table t1; Table Create Table @@ -441,6 +434,7 @@ t3 CREATE TABLE `t3` ( KEY `c` (`c`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 alter table t2 drop index b, add index (b); +ERROR 42000: Incorrect index name 'b' show create table t2; Table Create Table t2 CREATE TABLE `t2` ( @@ -451,8 +445,8 @@ t2 CREATE TABLE `t2` ( `e` int(11) DEFAULT NULL, PRIMARY KEY (`a`), UNIQUE KEY `dc` (`d`,`c`), - KEY `c` (`c`), KEY `b` (`b`), + KEY `c` (`c`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE, CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`), CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`) @@ -841,48 +835,6 @@ test.t1 check status OK explain select * from t1 where b like 'adfd%'; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; -set innodb_lock_wait_timeout=1; -begin; -select a from t1 limit 1 for update; -a -22 -set innodb_lock_wait_timeout=1; -create index t1ba on t1 (b,a); -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -begin; -select a from t1 limit 1 lock in share mode; -a -22 -create index t1ba on t1 (b,a); -drop index t1ba on t1; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -commit; -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL t1ba 261 NULL 15 Using index -select a,sleep(2+a/100) from t1 order by b limit 3; -select sleep(1); -sleep(1) -0 -drop index t1ba on t1; -a sleep(2+a/100) -22 0 -44 0 -66 0 -explain select a from t1 order by b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL PRIMARY 261 NULL 15 Using index; Using filesort -select a from t1 order by b limit 3; -a -22 -66 -44 -commit; drop table t1; set global innodb_file_per_table=on; set global innodb_file_format='Barracuda'; @@ -1133,39 +1085,3 @@ t2 CREATE TABLE `t2` ( ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t2; DROP TABLE t1; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -BEGIN; -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -CREATE INDEX t1a ON t1(a); -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -ERROR HY000: Table definition has changed, please retry transaction -SELECT * FROM t1; -a b -3 a -3 b -1 c -0 d -1 e -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -a b -0 d -1 c -1 e -3 a -3 b -DROP TABLE t1; diff --git a/mysql-test/r/innodb-lock.result b/mysql-test/suite/innodb/r/innodb-lock.result similarity index 100% rename from mysql-test/r/innodb-lock.result rename to mysql-test/suite/innodb/r/innodb-lock.result diff --git a/mysql-test/r/innodb-replace.result b/mysql-test/suite/innodb/r/innodb-replace.result similarity index 100% rename from mysql-test/r/innodb-replace.result rename to mysql-test/suite/innodb/r/innodb-replace.result diff --git a/mysql-test/r/innodb-semi-consistent.result b/mysql-test/suite/innodb/r/innodb-semi-consistent.result similarity index 100% rename from mysql-test/r/innodb-semi-consistent.result rename to mysql-test/suite/innodb/r/innodb-semi-consistent.result diff --git a/mysql-test/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result similarity index 100% rename from mysql-test/r/innodb.result rename to mysql-test/suite/innodb/r/innodb.result diff --git a/mysql-test/r/innodb_bug21704.result b/mysql-test/suite/innodb/r/innodb_bug21704.result similarity index 100% rename from mysql-test/r/innodb_bug21704.result rename to mysql-test/suite/innodb/r/innodb_bug21704.result diff --git a/mysql-test/r/innodb_bug34053.result b/mysql-test/suite/innodb/r/innodb_bug34053.result similarity index 100% rename from mysql-test/r/innodb_bug34053.result rename to mysql-test/suite/innodb/r/innodb_bug34053.result diff --git a/mysql-test/r/innodb_bug34300.result b/mysql-test/suite/innodb/r/innodb_bug34300.result similarity index 100% rename from mysql-test/r/innodb_bug34300.result rename to mysql-test/suite/innodb/r/innodb_bug34300.result diff --git a/mysql-test/r/innodb_bug35220.result b/mysql-test/suite/innodb/r/innodb_bug35220.result similarity index 100% rename from mysql-test/r/innodb_bug35220.result rename to mysql-test/suite/innodb/r/innodb_bug35220.result diff --git a/mysql-test/r/innodb_bug38231.result b/mysql-test/suite/innodb/r/innodb_bug38231.result similarity index 100% rename from mysql-test/r/innodb_bug38231.result rename to mysql-test/suite/innodb/r/innodb_bug38231.result diff --git a/mysql-test/r/innodb_bug39438.result b/mysql-test/suite/innodb/r/innodb_bug39438.result similarity index 100% rename from mysql-test/r/innodb_bug39438.result rename to mysql-test/suite/innodb/r/innodb_bug39438.result diff --git a/mysql-test/r/innodb_bug40565.result b/mysql-test/suite/innodb/r/innodb_bug40565.result similarity index 100% rename from mysql-test/r/innodb_bug40565.result rename to mysql-test/suite/innodb/r/innodb_bug40565.result diff --git a/mysql-test/r/innodb_bug42101-nonzero.result b/mysql-test/suite/innodb/r/innodb_bug42101-nonzero.result similarity index 100% rename from mysql-test/r/innodb_bug42101-nonzero.result rename to mysql-test/suite/innodb/r/innodb_bug42101-nonzero.result diff --git a/mysql-test/r/innodb_bug42101.result b/mysql-test/suite/innodb/r/innodb_bug42101.result similarity index 100% rename from mysql-test/r/innodb_bug42101.result rename to mysql-test/suite/innodb/r/innodb_bug42101.result diff --git a/mysql-test/r/innodb_bug44369.result b/mysql-test/suite/innodb/r/innodb_bug44369.result similarity index 100% rename from mysql-test/r/innodb_bug44369.result rename to mysql-test/suite/innodb/r/innodb_bug44369.result diff --git a/mysql-test/r/innodb_bug44571.result b/mysql-test/suite/innodb/r/innodb_bug44571.result similarity index 100% rename from mysql-test/r/innodb_bug44571.result rename to mysql-test/suite/innodb/r/innodb_bug44571.result diff --git a/mysql-test/r/innodb_bug45357.result b/mysql-test/suite/innodb/r/innodb_bug45357.result similarity index 100% rename from mysql-test/r/innodb_bug45357.result rename to mysql-test/suite/innodb/r/innodb_bug45357.result diff --git a/mysql-test/r/innodb_bug46000.result b/mysql-test/suite/innodb/r/innodb_bug46000.result similarity index 100% rename from mysql-test/r/innodb_bug46000.result rename to mysql-test/suite/innodb/r/innodb_bug46000.result diff --git a/mysql-test/r/innodb_bug47621.result b/mysql-test/suite/innodb/r/innodb_bug47621.result similarity index 100% rename from mysql-test/r/innodb_bug47621.result rename to mysql-test/suite/innodb/r/innodb_bug47621.result diff --git a/mysql-test/r/innodb_bug47622.result b/mysql-test/suite/innodb/r/innodb_bug47622.result similarity index 100% rename from mysql-test/r/innodb_bug47622.result rename to mysql-test/suite/innodb/r/innodb_bug47622.result diff --git a/mysql-test/r/innodb_bug47777.result b/mysql-test/suite/innodb/r/innodb_bug47777.result similarity index 100% rename from mysql-test/r/innodb_bug47777.result rename to mysql-test/suite/innodb/r/innodb_bug47777.result diff --git a/mysql-test/r/innodb_bug51378.result b/mysql-test/suite/innodb/r/innodb_bug51378.result similarity index 100% rename from mysql-test/r/innodb_bug51378.result rename to mysql-test/suite/innodb/r/innodb_bug51378.result diff --git a/mysql-test/r/innodb_bug51920.result b/mysql-test/suite/innodb/r/innodb_bug51920.result similarity index 100% rename from mysql-test/r/innodb_bug51920.result rename to mysql-test/suite/innodb/r/innodb_bug51920.result diff --git a/mysql-test/suite/innodb/r/innodb_file_format.result b/mysql-test/suite/innodb/r/innodb_file_format.result index 107025e4e52..6a573d8658e 100644 --- a/mysql-test/suite/innodb/r/innodb_file_format.result +++ b/mysql-test/suite/innodb/r/innodb_file_format.result @@ -1,4 +1,3 @@ -call mtr.add_suppression("InnoDB: invalid innodb_file_format_check value"); select @@innodb_file_format; @@innodb_file_format Antelope @@ -41,3 +40,4 @@ ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'off' select @@innodb_file_format_check; @@innodb_file_format_check Barracuda +set global innodb_file_format_check=antelope; diff --git a/mysql-test/r/innodb_trx_weight.result b/mysql-test/suite/innodb/r/innodb_trx_weight.result similarity index 100% rename from mysql-test/r/innodb_trx_weight.result rename to mysql-test/suite/innodb/r/innodb_trx_weight.result diff --git a/mysql-test/t/innodb-autoinc-44030.test b/mysql-test/suite/innodb/t/innodb-autoinc-44030.test similarity index 100% rename from mysql-test/t/innodb-autoinc-44030.test rename to mysql-test/suite/innodb/t/innodb-autoinc-44030.test diff --git a/mysql-test/t/innodb-autoinc.test b/mysql-test/suite/innodb/t/innodb-autoinc.test similarity index 100% rename from mysql-test/t/innodb-autoinc.test rename to mysql-test/suite/innodb/t/innodb-autoinc.test diff --git a/mysql-test/t/innodb-consistent-master.opt b/mysql-test/suite/innodb/t/innodb-consistent-master.opt similarity index 100% rename from mysql-test/t/innodb-consistent-master.opt rename to mysql-test/suite/innodb/t/innodb-consistent-master.opt diff --git a/mysql-test/t/innodb-consistent.test b/mysql-test/suite/innodb/t/innodb-consistent.test similarity index 100% rename from mysql-test/t/innodb-consistent.test rename to mysql-test/suite/innodb/t/innodb-consistent.test diff --git a/mysql-test/suite/innodb/t/innodb-index.test b/mysql-test/suite/innodb/t/innodb-index.test index b5dd2e037e7..f7cf3050704 100644 --- a/mysql-test/suite/innodb/t/innodb-index.test +++ b/mysql-test/suite/innodb/t/innodb-index.test @@ -1,5 +1,7 @@ -- source include/have_innodb.inc +let $MYSQLD_DATADIR= `select @@datadir`; + let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; @@ -19,16 +21,6 @@ show create table t1; alter table t1 add index (b); show create table t1; -# Check how existing tables interfere with temporary tables. -CREATE TABLE `t1#1`(a INT PRIMARY KEY) ENGINE=InnoDB; - ---error 156 -alter table t1 add unique index (c), add index (d); -rename table `t1#1` to `t1#2`; ---error 156 -alter table t1 add unique index (c), add index (d); -drop table `t1#2`; - alter table t1 add unique index (c), add index (d); show create table t1; explain select * from t1 force index(c) order by c; @@ -139,6 +131,8 @@ show create table t4; --error ER_CANT_CREATE_TABLE alter table t3 add constraint dc foreign key (a) references t1(a); show create table t3; +# this should be fixed by MySQL (see Bug #51451) +--error ER_WRONG_NAME_FOR_INDEX alter table t2 drop index b, add index (b); show create table t2; --error ER_ROW_IS_REFERENCED_2 @@ -146,7 +140,9 @@ delete from t1; --error ER_CANT_DROP_FIELD_OR_KEY drop index dc on t4; # there is no foreign key dc on t3 ---replace_regex /'\.\/test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ +--replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ +# Embedded server doesn't chdir to data directory +--replace_result $MYSQLD_DATADIR ./ master-data/ '' --error ER_ERROR_ON_RENAME alter table t3 drop foreign key dc; alter table t4 drop foreign key dc; @@ -157,7 +153,7 @@ select * from t2; drop table t2,t4,t3,t1; -- let charset = utf8 --- source suite/innodb/include/innodb-index.inc +-- source include/innodb-index.inc create table t1(a int not null, b int) engine = innodb; insert into t1 values (1,1),(1,1),(1,1),(1,1); @@ -292,66 +288,73 @@ show create table t1; check table t1; explain select * from t1 where b like 'adfd%'; +# The following tests are disabled because of the introduced timeouts for +# metadata locks at the MySQL level as part of the fix for +# Bug#45225 Locking: hang if drop table with no timeout +# The following commands now play with MySQL metadata locks instead of +# InnoDB locks +# start disabled45225_1 +## +## Test locking +## # -# Test locking +#create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; +#insert into t2 select a,left(b,255) from t1; +#drop table t1; +#rename table t2 to t1; # - -create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -insert into t2 select a,left(b,255) from t1; -drop table t1; -rename table t2 to t1; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -set innodb_lock_wait_timeout=1; -begin; -# Obtain an IX lock on the table -select a from t1 limit 1 for update; -connection b; -set innodb_lock_wait_timeout=1; -# This would require an S lock on the table, conflicting with the IX lock. ---error ER_LOCK_WAIT_TIMEOUT -create index t1ba on t1 (b,a); -connection a; -commit; -begin; -# Obtain an IS lock on the table -select a from t1 limit 1 lock in share mode; -connection b; -# This will require an S lock on the table. No conflict with the IS lock. -create index t1ba on t1 (b,a); -# This would require an X lock on the table, conflicting with the IS lock. ---error ER_LOCK_WAIT_TIMEOUT -drop index t1ba on t1; -connection a; -commit; -explain select a from t1 order by b; ---send -select a,sleep(2+a/100) from t1 order by b limit 3; - -# The following DROP INDEX will succeed, altough the SELECT above has -# opened a read view. However, during the execution of the SELECT, -# MySQL should hold a table lock that should block the execution -# of the DROP INDEX below. - -connection b; -select sleep(1); -drop index t1ba on t1; - -# After the index was dropped, subsequent SELECTs will use the same -# read view, but they should not be accessing the dropped index any more. - -connection a; -reap; -explain select a from t1 order by b; -select a from t1 order by b limit 3; -commit; - -connection default; -disconnect a; -disconnect b; - +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#set innodb_lock_wait_timeout=1; +#begin; +## Obtain an IX lock on the table +#select a from t1 limit 1 for update; +#connection b; +#set innodb_lock_wait_timeout=1; +## This would require an S lock on the table, conflicting with the IX lock. +#--error ER_LOCK_WAIT_TIMEOUT +#create index t1ba on t1 (b,a); +#connection a; +#commit; +#begin; +## Obtain an IS lock on the table +#select a from t1 limit 1 lock in share mode; +#connection b; +## This will require an S lock on the table. No conflict with the IS lock. +#create index t1ba on t1 (b,a); +## This would require an X lock on the table, conflicting with the IS lock. +#--error ER_LOCK_WAIT_TIMEOUT +#drop index t1ba on t1; +#connection a; +#commit; +#explain select a from t1 order by b; +#--send +#select a,sleep(2+a/100) from t1 order by b limit 3; +# +## The following DROP INDEX will succeed, altough the SELECT above has +## opened a read view. However, during the execution of the SELECT, +## MySQL should hold a table lock that should block the execution +## of the DROP INDEX below. +# +#connection b; +#select sleep(1); +#drop index t1ba on t1; +# +## After the index was dropped, subsequent SELECTs will use the same +## read view, but they should not be accessing the dropped index any more. +# +#connection a; +#reap; +#explain select a from t1 order by b; +#select a from t1 order by b limit 3; +#commit; +# +#connection default; +#disconnect a; +#disconnect b; +# +# end disabled45225_1 drop table t1; let $per_table=`select @@innodb_file_per_table`; @@ -513,28 +516,34 @@ SHOW CREATE TABLE t2; DROP TABLE t2; DROP TABLE t1; -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -connection b; -BEGIN; -SELECT * FROM t1; -connection a; -CREATE INDEX t1a ON t1(a); -connection b; -SELECT * FROM t1; ---error ER_TABLE_DEF_CHANGED -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -SELECT * FROM t1; -COMMIT; -SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -connection default; -disconnect a; -disconnect b; - -DROP TABLE t1; +# The following tests are disabled because of the introduced timeouts for +# metadata locks at the MySQL level as part of the fix for +# Bug#45225 Locking: hang if drop table with no timeout +# The following CREATE INDEX t1a ON t1(a); causes a lock wait timeout +# start disabled45225_2 +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; +#INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); +#connection b; +#BEGIN; +#SELECT * FROM t1; +#connection a; +#CREATE INDEX t1a ON t1(a); +#connection b; +#SELECT * FROM t1; +#--error ER_TABLE_DEF_CHANGED +#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +#SELECT * FROM t1; +#COMMIT; +#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; +#connection default; +#disconnect a; +#disconnect b; +# +#DROP TABLE t1; +# end disabled45225_2 # # restore environment to the state it was before this test execution diff --git a/mysql-test/suite/innodb/t/innodb-index_ucs2.test b/mysql-test/suite/innodb/t/innodb-index_ucs2.test index db4626ac346..fff9a4da1a8 100644 --- a/mysql-test/suite/innodb/t/innodb-index_ucs2.test +++ b/mysql-test/suite/innodb/t/innodb-index_ucs2.test @@ -2,4 +2,4 @@ -- source include/have_ucs2.inc -- let charset = ucs2 --- source suite/innodb/include/innodb-index.inc +-- source include/innodb-index.inc diff --git a/mysql-test/t/innodb-lock.test b/mysql-test/suite/innodb/t/innodb-lock.test similarity index 100% rename from mysql-test/t/innodb-lock.test rename to mysql-test/suite/innodb/t/innodb-lock.test diff --git a/mysql-test/t/innodb-master.opt b/mysql-test/suite/innodb/t/innodb-master.opt similarity index 100% rename from mysql-test/t/innodb-master.opt rename to mysql-test/suite/innodb/t/innodb-master.opt diff --git a/mysql-test/t/innodb-replace.test b/mysql-test/suite/innodb/t/innodb-replace.test similarity index 100% rename from mysql-test/t/innodb-replace.test rename to mysql-test/suite/innodb/t/innodb-replace.test diff --git a/mysql-test/t/innodb-semi-consistent-master.opt b/mysql-test/suite/innodb/t/innodb-semi-consistent-master.opt similarity index 100% rename from mysql-test/t/innodb-semi-consistent-master.opt rename to mysql-test/suite/innodb/t/innodb-semi-consistent-master.opt diff --git a/mysql-test/t/innodb-semi-consistent.test b/mysql-test/suite/innodb/t/innodb-semi-consistent.test similarity index 100% rename from mysql-test/t/innodb-semi-consistent.test rename to mysql-test/suite/innodb/t/innodb-semi-consistent.test diff --git a/mysql-test/suite/innodb/t/innodb-use-sys-malloc-master.opt b/mysql-test/suite/innodb/t/innodb-use-sys-malloc-master.opt index 8ec086387f8..acf3b8729ed 100644 --- a/mysql-test/suite/innodb/t/innodb-use-sys-malloc-master.opt +++ b/mysql-test/suite/innodb/t/innodb-use-sys-malloc-master.opt @@ -1,2 +1 @@ ---loose-innodb-use-sys-malloc=true ---loose-innodb-use-sys-malloc=true +--innodb-use-sys-malloc=true diff --git a/mysql-test/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test similarity index 100% rename from mysql-test/t/innodb.test rename to mysql-test/suite/innodb/t/innodb.test diff --git a/mysql-test/t/innodb_bug21704.test b/mysql-test/suite/innodb/t/innodb_bug21704.test similarity index 100% rename from mysql-test/t/innodb_bug21704.test rename to mysql-test/suite/innodb/t/innodb_bug21704.test diff --git a/mysql-test/t/innodb_bug34053.test b/mysql-test/suite/innodb/t/innodb_bug34053.test similarity index 100% rename from mysql-test/t/innodb_bug34053.test rename to mysql-test/suite/innodb/t/innodb_bug34053.test diff --git a/mysql-test/t/innodb_bug34300.test b/mysql-test/suite/innodb/t/innodb_bug34300.test similarity index 100% rename from mysql-test/t/innodb_bug34300.test rename to mysql-test/suite/innodb/t/innodb_bug34300.test diff --git a/mysql-test/t/innodb_bug35220.test b/mysql-test/suite/innodb/t/innodb_bug35220.test similarity index 100% rename from mysql-test/t/innodb_bug35220.test rename to mysql-test/suite/innodb/t/innodb_bug35220.test diff --git a/mysql-test/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test similarity index 100% rename from mysql-test/t/innodb_bug38231.test rename to mysql-test/suite/innodb/t/innodb_bug38231.test diff --git a/mysql-test/t/innodb_bug39438-master.opt b/mysql-test/suite/innodb/t/innodb_bug39438-master.opt similarity index 100% rename from mysql-test/t/innodb_bug39438-master.opt rename to mysql-test/suite/innodb/t/innodb_bug39438-master.opt diff --git a/mysql-test/t/innodb_bug39438.test b/mysql-test/suite/innodb/t/innodb_bug39438.test similarity index 100% rename from mysql-test/t/innodb_bug39438.test rename to mysql-test/suite/innodb/t/innodb_bug39438.test diff --git a/mysql-test/t/innodb_bug40565.test b/mysql-test/suite/innodb/t/innodb_bug40565.test similarity index 100% rename from mysql-test/t/innodb_bug40565.test rename to mysql-test/suite/innodb/t/innodb_bug40565.test diff --git a/mysql-test/t/innodb_bug42101-nonzero-master.opt b/mysql-test/suite/innodb/t/innodb_bug42101-nonzero-master.opt similarity index 100% rename from mysql-test/t/innodb_bug42101-nonzero-master.opt rename to mysql-test/suite/innodb/t/innodb_bug42101-nonzero-master.opt diff --git a/mysql-test/t/innodb_bug42101-nonzero.test b/mysql-test/suite/innodb/t/innodb_bug42101-nonzero.test similarity index 100% rename from mysql-test/t/innodb_bug42101-nonzero.test rename to mysql-test/suite/innodb/t/innodb_bug42101-nonzero.test diff --git a/mysql-test/t/innodb_bug42101.test b/mysql-test/suite/innodb/t/innodb_bug42101.test similarity index 100% rename from mysql-test/t/innodb_bug42101.test rename to mysql-test/suite/innodb/t/innodb_bug42101.test diff --git a/mysql-test/t/innodb_bug44369.test b/mysql-test/suite/innodb/t/innodb_bug44369.test similarity index 100% rename from mysql-test/t/innodb_bug44369.test rename to mysql-test/suite/innodb/t/innodb_bug44369.test diff --git a/mysql-test/t/innodb_bug44571.test b/mysql-test/suite/innodb/t/innodb_bug44571.test similarity index 100% rename from mysql-test/t/innodb_bug44571.test rename to mysql-test/suite/innodb/t/innodb_bug44571.test diff --git a/mysql-test/t/innodb_bug45357.test b/mysql-test/suite/innodb/t/innodb_bug45357.test similarity index 100% rename from mysql-test/t/innodb_bug45357.test rename to mysql-test/suite/innodb/t/innodb_bug45357.test diff --git a/mysql-test/t/innodb_bug46000.test b/mysql-test/suite/innodb/t/innodb_bug46000.test similarity index 100% rename from mysql-test/t/innodb_bug46000.test rename to mysql-test/suite/innodb/t/innodb_bug46000.test diff --git a/mysql-test/t/innodb_bug47621.test b/mysql-test/suite/innodb/t/innodb_bug47621.test similarity index 100% rename from mysql-test/t/innodb_bug47621.test rename to mysql-test/suite/innodb/t/innodb_bug47621.test diff --git a/mysql-test/t/innodb_bug47622.test b/mysql-test/suite/innodb/t/innodb_bug47622.test similarity index 100% rename from mysql-test/t/innodb_bug47622.test rename to mysql-test/suite/innodb/t/innodb_bug47622.test diff --git a/mysql-test/t/innodb_bug47777.test b/mysql-test/suite/innodb/t/innodb_bug47777.test similarity index 100% rename from mysql-test/t/innodb_bug47777.test rename to mysql-test/suite/innodb/t/innodb_bug47777.test diff --git a/mysql-test/t/innodb_bug51378.test b/mysql-test/suite/innodb/t/innodb_bug51378.test similarity index 100% rename from mysql-test/t/innodb_bug51378.test rename to mysql-test/suite/innodb/t/innodb_bug51378.test diff --git a/mysql-test/t/innodb_bug51920.test b/mysql-test/suite/innodb/t/innodb_bug51920.test similarity index 100% rename from mysql-test/t/innodb_bug51920.test rename to mysql-test/suite/innodb/t/innodb_bug51920.test diff --git a/mysql-test/suite/innodb/t/innodb_file_format.test b/mysql-test/suite/innodb/t/innodb_file_format.test index 4e11da5f123..5d094cb9dba 100644 --- a/mysql-test/suite/innodb/t/innodb_file_format.test +++ b/mysql-test/suite/innodb/t/innodb_file_format.test @@ -1,10 +1,5 @@ -- source include/have_innodb.inc -call mtr.add_suppression("InnoDB: invalid innodb_file_format_check value"); - -let $format=`select @@innodb_file_format`; -let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; - select @@innodb_file_format; select @@innodb_file_format_check; set global innodb_file_format=antelope; @@ -31,12 +26,4 @@ set global innodb_file_format=on; --error ER_WRONG_VALUE_FOR_VAR set global innodb_file_format=off; select @@innodb_file_format_check; - -# -# restore environment to the state it was before this test execution -# - --- disable_query_log -eval set global innodb_file_format=$format; -eval set global innodb_file_format_check=$innodb_file_format_check_orig; --- enable_query_log +set global innodb_file_format_check=antelope; diff --git a/mysql-test/t/innodb_trx_weight.test b/mysql-test/suite/innodb/t/innodb_trx_weight.test similarity index 100% rename from mysql-test/t/innodb_trx_weight.test rename to mysql-test/suite/innodb/t/innodb_trx_weight.test diff --git a/mysql-test/t/innodb-analyze.test b/mysql-test/t/innodb-analyze.test deleted file mode 100644 index 9bdb9db697c..00000000000 --- a/mysql-test/t/innodb-analyze.test +++ /dev/null @@ -1,65 +0,0 @@ -# -# Test that mysqld does not crash when running ANALYZE TABLE with -# different values of the parameter innodb_stats_sample_pages. -# - --- source include/have_innodb.inc - -# we care only that the following SQL commands do not produce errors -# and do not crash the server --- disable_query_log --- disable_result_log --- enable_warnings - -let $sample_pages=`select @@innodb_stats_sample_pages`; -SET GLOBAL innodb_stats_sample_pages=0; - -# check that the value has been adjusted to 1 --- enable_result_log -SHOW VARIABLES LIKE 'innodb_stats_sample_pages'; --- disable_result_log - -CREATE TABLE innodb_analyze ( - a INT, - b INT, - KEY(a), - KEY(b,a) -) ENGINE=InnoDB; - -# test with empty table - -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=2; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=4; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=8; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=16; -ANALYZE TABLE innodb_analyze; - -INSERT INTO innodb_analyze VALUES -(1,1), (1,1), (1,2), (1,3), (1,4), (1,5), -(8,1), (8,8), (8,2), (7,1), (1,4), (3,5); - -SET GLOBAL innodb_stats_sample_pages=1; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=2; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=4; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=8; -ANALYZE TABLE innodb_analyze; - -SET GLOBAL innodb_stats_sample_pages=16; -ANALYZE TABLE innodb_analyze; - -DROP TABLE innodb_analyze; -EVAL SET GLOBAL innodb_stats_sample_pages=$sample_pages; diff --git a/mysql-test/t/innodb-index.test b/mysql-test/t/innodb-index.test deleted file mode 100644 index f7cf3050704..00000000000 --- a/mysql-test/t/innodb-index.test +++ /dev/null @@ -1,553 +0,0 @@ --- source include/have_innodb.inc - -let $MYSQLD_DATADIR= `select @@datadir`; - -let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; - -create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb; -insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak'); -commit; ---error ER_DUP_KEYNAME -alter table t1 add index b (b), add index b (b); ---error ER_DUP_FIELDNAME -alter table t1 add index (b,b); -alter table t1 add index d2 (d); -show create table t1; -explain select * from t1 force index(d2) order by d; -select * from t1 force index (d2) order by d; ---error ER_DUP_ENTRY -alter table t1 add unique index (b); -show create table t1; -alter table t1 add index (b); -show create table t1; - -alter table t1 add unique index (c), add index (d); -show create table t1; -explain select * from t1 force index(c) order by c; -alter table t1 add primary key (a), drop index c; -show create table t1; ---error ER_MULTIPLE_PRI_KEY -alter table t1 add primary key (c); ---error ER_DUP_ENTRY -alter table t1 drop primary key, add primary key (b); -create unique index c on t1 (c); -show create table t1; -explain select * from t1 force index(c) order by c; -select * from t1 force index(c) order by c; -alter table t1 drop index b, add index (b); -show create table t1; -insert into t1 values(6,1,'ggg','ggg'); -select * from t1; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -select * from t1 force index(d) order by d; -explain select * from t1 force index(b) order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 force index(d) order by d; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add index (c(2)); -show create table t1; -alter table t1 add unique index (d(10)); -show create table t1; -insert into t1 values(5,1,'ggg','ggg'); -select * from t1; -select * from t1 force index(c) order by c; -select * from t1 force index(d) order by d; -explain select * from t1 order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 force index(d) order by d; -show create table t1; -alter table t1 drop index d; -insert into t1 values(8,9,'fff','fff'); -select * from t1; -select * from t1 force index(c) order by c; -explain select * from t1 order by b; -explain select * from t1 force index(c) order by c; -explain select * from t1 order by d; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); -commit; -alter table t1 add unique index (b,c); -insert into t1 values(8,9,'fff','fff'); -select * from t1; -select * from t1 force index(b) order by b; -explain select * from t1 force index(b) order by b; -show create table t1; -alter table t1 add index (b,c); -insert into t1 values(11,11,'kkk','kkk'); -select * from t1; -select * from t1 force index(b) order by b; -explain select * from t1 force index(b) order by b; -show create table t1; -alter table t1 add unique index (c,d); -insert into t1 values(13,13,'yyy','aaa'); -select * from t1; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -explain select * from t1 force index(b) order by b; -explain select * from t1 force index(c) order by c; -show create table t1; -drop table t1; - -create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb; -create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb; -create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb; -create table t2(a int not null, b int not null, c int not null, d int not null, e int, -foreign key (b) references t1(b) on delete cascade, -foreign key (c) references t3(c), foreign key (d) references t4(d)) -engine = innodb; ---error ER_DROP_INDEX_FK -alter table t1 drop index b; ---error ER_DROP_INDEX_FK -alter table t3 drop index c; ---error ER_DROP_INDEX_FK -alter table t4 drop index d; ---error ER_DROP_INDEX_FK -alter table t2 drop index b; ---error ER_DROP_INDEX_FK -alter table t2 drop index b, drop index c, drop index d; -# Apparently, the following makes mysql_alter_table() drop index d. -create unique index dc on t2 (d,c); -create index dc on t1 (b,c); -# This should preserve the foreign key constraints. -alter table t2 add primary key (a); -insert into t1 values (1,1,1); -insert into t3 values (1,1,1); -insert into t4 values (1,1,1); -insert into t2 values (1,1,1,1,1); -commit; -alter table t4 add constraint dc foreign key (a) references t1(a); -show create table t4; ---replace_regex /'test\.#sql-[0-9a-f_]*'/'#sql-temporary'/ -# a foreign key 'test/dc' already exists ---error ER_CANT_CREATE_TABLE -alter table t3 add constraint dc foreign key (a) references t1(a); -show create table t3; -# this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX -alter table t2 drop index b, add index (b); -show create table t2; ---error ER_ROW_IS_REFERENCED_2 -delete from t1; ---error ER_CANT_DROP_FIELD_OR_KEY -drop index dc on t4; -# there is no foreign key dc on t3 ---replace_regex /'[^']*test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/ -# Embedded server doesn't chdir to data directory ---replace_result $MYSQLD_DATADIR ./ master-data/ '' ---error ER_ERROR_ON_RENAME -alter table t3 drop foreign key dc; -alter table t4 drop foreign key dc; -select * from t2; -delete from t1; -select * from t2; - -drop table t2,t4,t3,t1; - --- let charset = utf8 --- source include/innodb-index.inc - -create table t1(a int not null, b int) engine = innodb; -insert into t1 values (1,1),(1,1),(1,1),(1,1); ---error ER_DUP_ENTRY -alter table t1 add unique index (a); ---error ER_DUP_ENTRY -alter table t1 add unique index (b); ---error ER_DUP_ENTRY -alter table t1 add unique index (a), add unique index(b); -show create table t1; -drop table t1; - -create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb; -alter table t1 drop index c, drop index b; -show create table t1; -drop table t1; - -create table t1(a int not null, b int, primary key(a)) engine = innodb; -alter table t1 add index (b); -show create table t1; -drop table t1; - -create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb; -insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe'); ---error ER_DUP_ENTRY -alter table t1 add unique index (b), add unique index (c), add unique index (d); ---error ER_DUP_ENTRY -alter table t1 add unique index (c), add unique index (b), add index (d); -show create table t1; -drop table t1; - -create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb; -insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1); -alter table t1 add unique index (b); -insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17); -show create table t1; -check table t1; -explain select * from t1 force index(c) order by c; -explain select * from t1 order by a; -explain select * from t1 force index(b) order by b; -select * from t1 order by a; -select * from t1 force index(b) order by b; -select * from t1 force index(c) order by c; -drop table t1; - -create table t1(a int not null, b int not null) engine=innodb; -insert into t1 values (1,1); -alter table t1 add primary key(b); -insert into t1 values (2,2); -show create table t1; -check table t1; -select * from t1; -explain select * from t1; -explain select * from t1 order by a; -explain select * from t1 order by b; -checksum table t1; -drop table t1; - -create table t1(a int not null) engine=innodb; -insert into t1 values (1); -alter table t1 add primary key(a); -insert into t1 values (2); -show create table t1; -check table t1; -commit; -select * from t1; -explain select * from t1; -explain select * from t1 order by a; -drop table t1; - -create table t2(d varchar(17) primary key) engine=innodb default charset=utf8; -create table t3(a int primary key) engine=innodb; - -insert into t3 values(22),(44),(33),(55),(66); - -insert into t2 values ('jejdkrun87'),('adfd72nh9k'), -('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik'); - -create table t1(a int, b blob, c text, d text not null) -engine=innodb default charset = utf8; - -# r2667 The following test is disabled because MySQL behavior changed. -# r2667 The test was added with this comment: -# r2667 -# r2667 ------------------------------------------------------------------------ -# r2667 r1699 | marko | 2007-08-10 19:53:19 +0300 (Fri, 10 Aug 2007) | 5 lines -# r2667 -# r2667 branches/zip: Add changes that accidentally omitted from r1698: -# r2667 -# r2667 innodb-index.test, innodb-index.result: Add a test for creating -# r2667 a PRIMARY KEY on a column that contains a NULL value. -# r2667 ------------------------------------------------------------------------ -# r2667 -# r2667 but in BZR-r2667: -# r2667 http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.1/revision/davi%40mysql.com-20080617141221-8yre8ys9j4uw3xx5?start_revid=joerg%40mysql.com-20080630105418-7qoe5ehomgrcdb89 -# r2667 MySQL changed the behavior to do full table copy when creating PRIMARY INDEX -# r2667 on a non-NULL column instead of calling ::add_index() which would fail (and -# r2667 this is what we were testing here). Before r2667 the code execution path was -# r2667 like this (when adding PRIMARY INDEX on a non-NULL column with ALTER TABLE): -# r2667 -# r2667 mysql_alter_table() -# r2667 compare_tables() // would return ALTER_TABLE_INDEX_CHANGED -# r2667 ::add_index() // would fail with "primary index cannot contain NULL" -# r2667 -# r2667 after r2667 the code execution path is the following: -# r2667 -# r2667 mysql_alter_table() -# r2667 compare_tables() // returns ALTER_TABLE_DATA_CHANGED -# r2667 full copy is done, without calling ::add_index() -# r2667 -# r2667 To enable, remove "# r2667: " below. -# r2667 -# r2667: insert into t1 values (null,null,null,'null'); -insert into t1 -select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3; -drop table t2, t3; -select count(*) from t1 where a=44; -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -# r2667: --error ER_PRIMARY_CANT_HAVE_NULL -# r2667: alter table t1 add primary key (a), add key (b(20)); -# r2667: delete from t1 where d='null'; ---error ER_DUP_ENTRY -alter table t1 add primary key (a), add key (b(20)); -delete from t1 where a%2; -check table t1; -alter table t1 add primary key (a,b(255),c(255)), add key (b(767)); -select count(*) from t1 where a=44; -select a, -length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1; -show create table t1; -check table t1; -explain select * from t1 where b like 'adfd%'; - -# The following tests are disabled because of the introduced timeouts for -# metadata locks at the MySQL level as part of the fix for -# Bug#45225 Locking: hang if drop table with no timeout -# The following commands now play with MySQL metadata locks instead of -# InnoDB locks -# start disabled45225_1 -## -## Test locking -## -# -#create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb; -#insert into t2 select a,left(b,255) from t1; -#drop table t1; -#rename table t2 to t1; -# -#connect (a,localhost,root,,); -#connect (b,localhost,root,,); -#connection a; -#set innodb_lock_wait_timeout=1; -#begin; -## Obtain an IX lock on the table -#select a from t1 limit 1 for update; -#connection b; -#set innodb_lock_wait_timeout=1; -## This would require an S lock on the table, conflicting with the IX lock. -#--error ER_LOCK_WAIT_TIMEOUT -#create index t1ba on t1 (b,a); -#connection a; -#commit; -#begin; -## Obtain an IS lock on the table -#select a from t1 limit 1 lock in share mode; -#connection b; -## This will require an S lock on the table. No conflict with the IS lock. -#create index t1ba on t1 (b,a); -## This would require an X lock on the table, conflicting with the IS lock. -#--error ER_LOCK_WAIT_TIMEOUT -#drop index t1ba on t1; -#connection a; -#commit; -#explain select a from t1 order by b; -#--send -#select a,sleep(2+a/100) from t1 order by b limit 3; -# -## The following DROP INDEX will succeed, altough the SELECT above has -## opened a read view. However, during the execution of the SELECT, -## MySQL should hold a table lock that should block the execution -## of the DROP INDEX below. -# -#connection b; -#select sleep(1); -#drop index t1ba on t1; -# -## After the index was dropped, subsequent SELECTs will use the same -## read view, but they should not be accessing the dropped index any more. -# -#connection a; -#reap; -#explain select a from t1 order by b; -#select a from t1 order by b limit 3; -#commit; -# -#connection default; -#disconnect a; -#disconnect b; -# -# end disabled45225_1 -drop table t1; - -let $per_table=`select @@innodb_file_per_table`; -let $format=`select @@innodb_file_format`; -set global innodb_file_per_table=on; -set global innodb_file_format='Barracuda'; -# Test creating a table that could lead to undo log overflow. -# In the undo log, we write a 768-byte prefix (REC_MAX_INDEX_COL_LEN) -# of each externally stored column that appears as a column prefix in an index. -# For this test case, it would suffice to write 1 byte, though. -create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob, - i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob, - q blob,r blob,s blob,t blob,u blob) - engine=innodb row_format=dynamic; -create index t1a on t1 (a(1)); -create index t1b on t1 (b(1)); -create index t1c on t1 (c(1)); -create index t1d on t1 (d(1)); -create index t1e on t1 (e(1)); -create index t1f on t1 (f(1)); -create index t1g on t1 (g(1)); -create index t1h on t1 (h(1)); -create index t1i on t1 (i(1)); -create index t1j on t1 (j(1)); -create index t1k on t1 (k(1)); -create index t1l on t1 (l(1)); -create index t1m on t1 (m(1)); -create index t1n on t1 (n(1)); -create index t1o on t1 (o(1)); -create index t1p on t1 (p(1)); -create index t1q on t1 (q(1)); -create index t1r on t1 (r(1)); -create index t1s on t1 (s(1)); -create index t1t on t1 (t(1)); ---error 139 -create index t1u on t1 (u(1)); ---error 139 -create index t1ut on t1 (u(1), t(1)); -create index t1st on t1 (s(1), t(1)); -show create table t1; ---error 139 -create index t1u on t1 (u(1)); -alter table t1 row_format=compact; -create index t1u on t1 (u(1)); - -drop table t1; -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format=$format; -eval set global innodb_file_format_check=$format; - -# -# Test to check whether CREATE INDEX handles implicit foreign key -# constraint modifications (Issue #70, Bug #38786) -# -SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; -SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; - -CREATE TABLE t1( - c1 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3) REFERENCES t1(c1); - -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; - -SHOW CREATE TABLE t2; - -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); - -SHOW CREATE TABLE t2; - -SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; -SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; - ---error ER_NO_REFERENCED_ROW_2 -INSERT INTO t2 VALUES(0,0,0); -INSERT INTO t1 VALUES(0); -INSERT INTO t2 VALUES(0,0,0); - -DROP TABLE t2; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1,c2,c3) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3) REFERENCES t1(c1); - -SHOW CREATE TABLE t2; - -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); - -SHOW CREATE TABLE t2; ---error ER_NO_REFERENCED_ROW_2 -INSERT INTO t2 VALUES(0,0,1); -INSERT INTO t2 VALUES(0,0,0); ---error ER_ROW_IS_REFERENCED_2 -DELETE FROM t1; -DELETE FROM t2; - -DROP TABLE t2; -DROP TABLE t1; - -CREATE TABLE t1( - c1 BIGINT(12) NOT NULL, - c2 INT(4) NOT NULL, - PRIMARY KEY (c2,c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - -CREATE TABLE t2( - c1 BIGINT(16) NOT NULL, - c2 BIGINT(12) NOT NULL, - c3 BIGINT(12) NOT NULL, - PRIMARY KEY (c1) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; - ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1); ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL; ---replace_regex /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/ ---error ER_CANT_CREATE_TABLE -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2); - -ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca - FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1); -SHOW CREATE TABLE t1; -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c2_c1 ON t2(c2, c1); -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2); -SHOW CREATE TABLE t2; -CREATE INDEX i_t2_c3_c2 ON t2(c3, c2); -SHOW CREATE TABLE t2; - -DROP TABLE t2; -DROP TABLE t1; - -# The following tests are disabled because of the introduced timeouts for -# metadata locks at the MySQL level as part of the fix for -# Bug#45225 Locking: hang if drop table with no timeout -# The following CREATE INDEX t1a ON t1(a); causes a lock wait timeout -# start disabled45225_2 -#connect (a,localhost,root,,); -#connect (b,localhost,root,,); -#connection a; -#CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB; -#INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e'); -#connection b; -#BEGIN; -#SELECT * FROM t1; -#connection a; -#CREATE INDEX t1a ON t1(a); -#connection b; -#SELECT * FROM t1; -#--error ER_TABLE_DEF_CHANGED -#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -#SELECT * FROM t1; -#COMMIT; -#SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a; -#connection default; -#disconnect a; -#disconnect b; -# -#DROP TABLE t1; -# end disabled45225_2 - -# -# restore environment to the state it was before this test execution -# - --- disable_query_log -eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/t/innodb-index_ucs2.test b/mysql-test/t/innodb-index_ucs2.test deleted file mode 100644 index fff9a4da1a8..00000000000 --- a/mysql-test/t/innodb-index_ucs2.test +++ /dev/null @@ -1,5 +0,0 @@ --- source include/have_innodb.inc --- source include/have_ucs2.inc - --- let charset = ucs2 --- source include/innodb-index.inc diff --git a/mysql-test/t/innodb-timeout.test b/mysql-test/t/innodb-timeout.test deleted file mode 100644 index f23fe3cff2d..00000000000 --- a/mysql-test/t/innodb-timeout.test +++ /dev/null @@ -1,64 +0,0 @@ --- source include/have_innodb.inc - -let $timeout=`select @@innodb_lock_wait_timeout`; -set global innodb_lock_wait_timeout=42; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); - -connection a; -select @@innodb_lock_wait_timeout; -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; - -connection b; -select @@innodb_lock_wait_timeout; -set global innodb_lock_wait_timeout=347; -select @@innodb_lock_wait_timeout; -set innodb_lock_wait_timeout=1; -select @@innodb_lock_wait_timeout; - -connect (c,localhost,root,,); -connection c; -select @@innodb_lock_wait_timeout; -connection default; -disconnect c; - -connection a; -create table t1(a int primary key)engine=innodb; -begin; -insert into t1 values(1),(2),(3); - -connection b; ---send -select * from t1 for update; - -connection a; -commit; - -connection b; -reap; - -connection a; -begin; -insert into t1 values(4); - -connection b; ---send -select * from t1 for update; - -connection a; -sleep 2; -commit; - -connection b; ---error ER_LOCK_WAIT_TIMEOUT -reap; -drop table t1; - -connection default; - -disconnect a; -disconnect b; - -eval set global innodb_lock_wait_timeout=$timeout; diff --git a/mysql-test/t/innodb-use-sys-malloc-master.opt b/mysql-test/t/innodb-use-sys-malloc-master.opt deleted file mode 100644 index acf3b8729ed..00000000000 --- a/mysql-test/t/innodb-use-sys-malloc-master.opt +++ /dev/null @@ -1 +0,0 @@ ---innodb-use-sys-malloc=true diff --git a/mysql-test/t/innodb-use-sys-malloc.test b/mysql-test/t/innodb-use-sys-malloc.test deleted file mode 100644 index 325dd19d086..00000000000 --- a/mysql-test/t/innodb-use-sys-malloc.test +++ /dev/null @@ -1,48 +0,0 @@ ---source include/have_innodb.inc - -#display current value of innodb_use_sys_malloc -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - -#try changing it. Should fail. ---error ER_INCORRECT_GLOBAL_LOCAL_VAR -SET @@GLOBAL.innodb_use_sys_malloc=0; ---echo Expected error 'Read only variable' - -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - - -#do some stuff to see if it works. ---disable_warnings -drop table if exists t1; ---enable_warnings - -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -drop table t1; ---source include/have_innodb.inc - -#display current value of innodb_use_sys_malloc -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - -#try changing it. Should fail. ---error ER_INCORRECT_GLOBAL_LOCAL_VAR -SET @@GLOBAL.innodb_use_sys_malloc=0; ---echo Expected error 'Read only variable' - -SELECT @@GLOBAL.innodb_use_sys_malloc; ---echo 1 Expected - - -#do some stuff to see if it works. ---disable_warnings -drop table if exists t1; ---enable_warnings - -create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; -insert into t1 values (1),(2),(3),(4),(5),(6),(7); -select * from t1; -drop table t1; diff --git a/mysql-test/t/innodb-zip.test b/mysql-test/t/innodb-zip.test deleted file mode 100644 index eb517563416..00000000000 --- a/mysql-test/t/innodb-zip.test +++ /dev/null @@ -1,343 +0,0 @@ --- source include/have_innodb.inc - -let $per_table=`select @@innodb_file_per_table`; -let $format=`select @@innodb_file_format`; -let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; -set global innodb_file_per_table=off; -set global innodb_file_format=`0`; - -create table t0(a int primary key) engine=innodb row_format=compressed; -create table t00(a int primary key) engine=innodb -key_block_size=4 row_format=compressed; -create table t1(a int primary key) engine=innodb row_format=dynamic; -create table t2(a int primary key) engine=innodb row_format=redundant; -create table t3(a int primary key) engine=innodb row_format=compact; -create table t4(a int primary key) engine=innodb key_block_size=9; -create table t5(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; - -set global innodb_file_per_table=on; -create table t6(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -set global innodb_file_format=`1`; -create table t7(a int primary key) engine=innodb -key_block_size=1 row_format=redundant; -create table t8(a int primary key) engine=innodb -key_block_size=1 row_format=fixed; -create table t9(a int primary key) engine=innodb -key_block_size=1 row_format=compact; -create table t10(a int primary key) engine=innodb -key_block_size=1 row_format=dynamic; -create table t11(a int primary key) engine=innodb -key_block_size=1 row_format=compressed; -create table t12(a int primary key) engine=innodb -key_block_size=1; -create table t13(a int primary key) engine=innodb -row_format=compressed; -create table t14(a int primary key) engine=innodb key_block_size=9; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; - -drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14; -alter table t1 key_block_size=0; -alter table t1 row_format=dynamic; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -alter table t1 row_format=compact; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -alter table t1 row_format=redundant; -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1; - -create table t1(a int not null, b text, index(b(10))) engine=innodb -key_block_size=1; - -create table t2(b text)engine=innodb; -insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000))); - -insert into t1 select 1, b from t2; -commit; - -connect (a,localhost,root,,); -connect (b,localhost,root,,); - -connection a; -begin; -update t1 set b=repeat('B',100); - -connection b; -select a,left(b,40) from t1 natural join t2; - -connection a; -rollback; - -connection b; -select a,left(b,40) from t1 natural join t2; - -connection default; -disconnect a; -disconnect b; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1,t2; - -# The following should fail even in non-strict mode. -SET SESSION innodb_strict_mode = off; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII; -CREATE TABLE t1( - c TEXT NOT NULL, d TEXT NOT NULL, - PRIMARY KEY (c(767),d(767))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII; -drop table t1; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438))) -ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII; -INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512)); -DROP TABLE t1; - -# -# Test blob column inheritance (mantis issue#36) -# - -create table t1( c1 int not null, c2 blob, c3 blob, c4 blob, - primary key(c1, c2(22), c3(22))) - engine = innodb row_format = dynamic; -begin; -insert into t1 values(1, repeat('A', 20000), repeat('B', 20000), - repeat('C', 20000)); - -update t1 set c3 = repeat('D', 20000) where c1 = 1; -commit; - -# one blob column which is unchanged in update and part of PK -# one blob column which is changed and part of of PK -# one blob column which is not part of PK and is unchanged -select count(*) from t1 where c2 = repeat('A', 20000); -select count(*) from t1 where c3 = repeat('D', 20000); -select count(*) from t1 where c4 = repeat('C', 20000); - -update t1 set c3 = repeat('E', 20000) where c1 = 1; -drop table t1; - -# -# -# Test innodb_file_format -# -set global innodb_file_format=`0`; -select @@innodb_file_format; -set global innodb_file_format=`1`; -select @@innodb_file_format; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=`2`; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=`-1`; -set global innodb_file_format=`Antelope`; -set global innodb_file_format=`Barracuda`; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=`Cheetah`; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=`abc`; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=`1a`; --- error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=``; - -#test strict mode. -# this does not work anymore, has been removed from mysqltest -# -- enable_errors -set global innodb_file_per_table = on; -set global innodb_file_format = `1`; - -set innodb_strict_mode = off; -create table t1 (id int primary key) engine = innodb key_block_size = 0; -drop table t1; - -#set strict_mode -set innodb_strict_mode = on; - -#Test different values of KEY_BLOCK_SIZE - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 0; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 9; -show warnings; - - -create table t3 (id int primary key) engine = innodb key_block_size = 1; -create table t4 (id int primary key) engine = innodb key_block_size = 2; -create table t5 (id int primary key) engine = innodb key_block_size = 4; -create table t6 (id int primary key) engine = innodb key_block_size = 8; -create table t7 (id int primary key) engine = innodb key_block_size = 16; - -#check various ROW_FORMAT values. -create table t8 (id int primary key) engine = innodb row_format = compressed; -create table t9 (id int primary key) engine = innodb row_format = dynamic; -create table t10(id int primary key) engine = innodb row_format = compact; -create table t11(id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t3, t4, t5, t6, t7, t8, t9, t10, t11; - -#test different values of ROW_FORMAT with KEY_BLOCK_SIZE -create table t1 (id int primary key) engine = innodb -key_block_size = 8 row_format = compressed; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 8 row_format = redundant; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb -key_block_size = 8 row_format = compact; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb -key_block_size = 8 row_format = dynamic; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb -key_block_size = 8 row_format = default; -show warnings; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t1; - -#test multiple errors ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb -key_block_size = 9 row_format = redundant; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = compact; -show warnings; - ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb -key_block_size = 9 row_format = dynamic; -show warnings; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; - -#test valid values with innodb_file_per_table unset -set global innodb_file_per_table = off; - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 1; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 2; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb key_block_size = 4; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb key_block_size = 8; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb key_block_size = 16; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t6 (id int primary key) engine = innodb row_format = compressed; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t7 (id int primary key) engine = innodb row_format = dynamic; -show warnings; -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t8, t9; - -#test valid values with innodb_file_format unset -set global innodb_file_per_table = on; -set global innodb_file_format = `0`; - ---error ER_CANT_CREATE_TABLE -create table t1 (id int primary key) engine = innodb key_block_size = 1; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t2 (id int primary key) engine = innodb key_block_size = 2; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t3 (id int primary key) engine = innodb key_block_size = 4; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t4 (id int primary key) engine = innodb key_block_size = 8; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t5 (id int primary key) engine = innodb key_block_size = 16; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t6 (id int primary key) engine = innodb row_format = compressed; -show warnings; ---error ER_CANT_CREATE_TABLE -create table t7 (id int primary key) engine = innodb row_format = dynamic; -show warnings; -create table t8 (id int primary key) engine = innodb row_format = compact; -create table t9 (id int primary key) engine = innodb row_format = redundant; - -SELECT table_schema, table_name, row_format -FROM information_schema.tables WHERE engine='innodb'; -drop table t8, t9; - -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format=$format; -# -# Testing of tablespace tagging -# --- disable_info -set global innodb_file_per_table=on; -set global innodb_file_format=`Barracuda`; -set global innodb_file_format_check=`Antelope`; -create table normal_table ( - c1 int -) engine = innodb; -select @@innodb_file_format_check; -create table zip_table ( - c1 int -) engine = innodb key_block_size = 8; -select @@innodb_file_format_check; -set global innodb_file_format_check=`Antelope`; -select @@innodb_file_format_check; --- disable_result_log -show table status; --- enable_result_log -select @@innodb_file_format_check; -drop table normal_table, zip_table; --- disable_result_log - -# -# restore environment to the state it was before this test execution -# - --- disable_query_log -eval set global innodb_file_format=$format; -eval set global innodb_file_per_table=$per_table; -eval set global innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/t/innodb_bug36169.test b/mysql-test/t/innodb_bug36169.test deleted file mode 100644 index 5bf55193b5c..00000000000 --- a/mysql-test/t/innodb_bug36169.test +++ /dev/null @@ -1,1159 +0,0 @@ -# -# Bug#36169 create innodb compressed table with too large row size crashed -# http://bugs.mysql.com/36169 -# - --- source include/have_innodb.inc - -let $file_format=`select @@innodb_file_format`; -let $file_per_table=`select @@innodb_file_per_table`; -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=ON; - -# -# The following is copied from http://bugs.mysql.com/36169 -# (http://bugs.mysql.com/file.php?id=9121) -# Probably it can be simplified but that is not obvious. -# - -# we care only that the following SQL commands do produce errors -# as expected and do not crash the server --- disable_query_log --- disable_result_log - -# Generating 10 tables -# Creating a table with 94 columns and 24 indexes -DROP TABLE IF EXISTS `table0`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table0` -(`col0` BOOL, -`col1` BOOL, -`col2` TINYINT, -`col3` DATE, -`col4` TIME, -`col5` SET ('test1','test2','test3'), -`col6` TIME, -`col7` TEXT, -`col8` DECIMAL, -`col9` SET ('test1','test2','test3'), -`col10` FLOAT, -`col11` DOUBLE PRECISION, -`col12` ENUM ('test1','test2','test3'), -`col13` TINYBLOB, -`col14` YEAR, -`col15` SET ('test1','test2','test3'), -`col16` NUMERIC, -`col17` NUMERIC, -`col18` BLOB, -`col19` DATETIME, -`col20` DOUBLE PRECISION, -`col21` DECIMAL, -`col22` DATETIME, -`col23` NUMERIC, -`col24` NUMERIC, -`col25` LONGTEXT, -`col26` TINYBLOB, -`col27` TIME, -`col28` TINYBLOB, -`col29` ENUM ('test1','test2','test3'), -`col30` SMALLINT, -`col31` REAL, -`col32` FLOAT, -`col33` CHAR (175), -`col34` TINYTEXT, -`col35` TINYTEXT, -`col36` TINYBLOB, -`col37` TINYBLOB, -`col38` TINYTEXT, -`col39` MEDIUMBLOB, -`col40` TIMESTAMP, -`col41` DOUBLE, -`col42` SMALLINT, -`col43` LONGBLOB, -`col44` VARCHAR (80), -`col45` MEDIUMTEXT, -`col46` NUMERIC, -`col47` BIGINT, -`col48` DATE, -`col49` TINYBLOB, -`col50` DATE, -`col51` BOOL, -`col52` MEDIUMINT, -`col53` FLOAT, -`col54` TINYBLOB, -`col55` LONGTEXT, -`col56` SMALLINT, -`col57` ENUM ('test1','test2','test3'), -`col58` DATETIME, -`col59` MEDIUMTEXT, -`col60` VARCHAR (232), -`col61` NUMERIC, -`col62` YEAR, -`col63` SMALLINT, -`col64` TIMESTAMP, -`col65` BLOB, -`col66` LONGBLOB, -`col67` INT, -`col68` LONGTEXT, -`col69` ENUM ('test1','test2','test3'), -`col70` INT, -`col71` TIME, -`col72` TIMESTAMP, -`col73` TIMESTAMP, -`col74` VARCHAR (170), -`col75` SET ('test1','test2','test3'), -`col76` TINYBLOB, -`col77` BIGINT, -`col78` NUMERIC, -`col79` DATETIME, -`col80` YEAR, -`col81` NUMERIC, -`col82` LONGBLOB, -`col83` TEXT, -`col84` CHAR (83), -`col85` DECIMAL, -`col86` FLOAT, -`col87` INT, -`col88` VARCHAR (145), -`col89` DATE, -`col90` DECIMAL, -`col91` DECIMAL, -`col92` MEDIUMBLOB, -`col93` TIME, -KEY `idx0` (`col69`,`col90`,`col8`), -KEY `idx1` (`col60`), -KEY `idx2` (`col60`,`col70`,`col74`), -KEY `idx3` (`col22`,`col32`,`col72`,`col30`), -KEY `idx4` (`col29`), -KEY `idx5` (`col19`,`col45`(143)), -KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), -KEY `idx7` (`col48`,`col61`), -KEY `idx8` (`col93`), -KEY `idx9` (`col31`), -KEY `idx10` (`col30`,`col21`), -KEY `idx11` (`col67`), -KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), -KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), -KEY `idx14` (`col78`), -KEY `idx15` (`col63`,`col67`,`col64`), -KEY `idx16` (`col17`,`col86`), -KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), -KEY `idx18` (`col62`), -KEY `idx19` (`col31`,`col57`,`col56`,`col53`), -KEY `idx20` (`col46`), -KEY `idx21` (`col83`(54)), -KEY `idx22` (`col51`,`col7`(120)), -KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 10 columns and 32 indexes -DROP TABLE IF EXISTS `table1`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table1` -(`col0` CHAR (113), -`col1` FLOAT, -`col2` BIGINT, -`col3` DECIMAL, -`col4` BLOB, -`col5` LONGTEXT, -`col6` SET ('test1','test2','test3'), -`col7` BIGINT, -`col8` BIGINT, -`col9` TINYBLOB, -KEY `idx0` (`col5`(101),`col7`,`col8`), -KEY `idx1` (`col8`), -KEY `idx2` (`col4`(177),`col9`(126),`col6`,`col3`), -KEY `idx3` (`col5`(160)), -KEY `idx4` (`col9`(242)), -KEY `idx5` (`col4`(139),`col2`,`col3`), -KEY `idx6` (`col7`), -KEY `idx7` (`col6`,`col2`,`col0`,`col3`), -KEY `idx8` (`col9`(66)), -KEY `idx9` (`col5`(253)), -KEY `idx10` (`col1`,`col7`,`col2`), -KEY `idx11` (`col9`(242),`col0`,`col8`,`col5`(163)), -KEY `idx12` (`col8`), -KEY `idx13` (`col0`,`col9`(37)), -KEY `idx14` (`col0`), -KEY `idx15` (`col5`(111)), -KEY `idx16` (`col8`,`col0`,`col5`(13)), -KEY `idx17` (`col4`(139)), -KEY `idx18` (`col5`(189),`col2`,`col3`,`col9`(136)), -KEY `idx19` (`col0`,`col3`,`col1`,`col8`), -KEY `idx20` (`col8`), -KEY `idx21` (`col0`,`col7`,`col9`(227),`col3`), -KEY `idx22` (`col0`), -KEY `idx23` (`col2`), -KEY `idx24` (`col3`), -KEY `idx25` (`col2`,`col3`), -KEY `idx26` (`col0`), -KEY `idx27` (`col5`(254)), -KEY `idx28` (`col3`), -KEY `idx29` (`col3`), -KEY `idx30` (`col7`,`col3`,`col0`,`col4`(220)), -KEY `idx31` (`col4`(1),`col0`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 141 columns and 18 indexes -DROP TABLE IF EXISTS `table2`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table2` -(`col0` BOOL, -`col1` MEDIUMINT, -`col2` VARCHAR (209), -`col3` MEDIUMBLOB, -`col4` CHAR (13), -`col5` DOUBLE, -`col6` TINYTEXT, -`col7` REAL, -`col8` SMALLINT, -`col9` BLOB, -`col10` TINYINT, -`col11` DECIMAL, -`col12` BLOB, -`col13` DECIMAL, -`col14` LONGBLOB, -`col15` SMALLINT, -`col16` LONGBLOB, -`col17` TINYTEXT, -`col18` FLOAT, -`col19` CHAR (78), -`col20` MEDIUMTEXT, -`col21` SET ('test1','test2','test3'), -`col22` MEDIUMINT, -`col23` INT, -`col24` MEDIUMBLOB, -`col25` ENUM ('test1','test2','test3'), -`col26` TINYBLOB, -`col27` VARCHAR (116), -`col28` TIMESTAMP, -`col29` BLOB, -`col30` SMALLINT, -`col31` DOUBLE PRECISION, -`col32` DECIMAL, -`col33` DECIMAL, -`col34` TEXT, -`col35` MEDIUMINT, -`col36` MEDIUMINT, -`col37` BIGINT, -`col38` VARCHAR (253), -`col39` TINYBLOB, -`col40` MEDIUMBLOB, -`col41` BIGINT, -`col42` DOUBLE, -`col43` TEXT, -`col44` BLOB, -`col45` TIME, -`col46` MEDIUMINT, -`col47` DOUBLE PRECISION, -`col48` SET ('test1','test2','test3'), -`col49` DOUBLE PRECISION, -`col50` VARCHAR (97), -`col51` TEXT, -`col52` NUMERIC, -`col53` ENUM ('test1','test2','test3'), -`col54` MEDIUMTEXT, -`col55` MEDIUMINT, -`col56` DATETIME, -`col57` DATETIME, -`col58` MEDIUMTEXT, -`col59` CHAR (244), -`col60` LONGBLOB, -`col61` MEDIUMBLOB, -`col62` DOUBLE, -`col63` SMALLINT, -`col64` BOOL, -`col65` SMALLINT, -`col66` VARCHAR (212), -`col67` TIME, -`col68` REAL, -`col69` BOOL, -`col70` BIGINT, -`col71` DATE, -`col72` TINYINT, -`col73` ENUM ('test1','test2','test3'), -`col74` DATE, -`col75` TIME, -`col76` DATETIME, -`col77` BOOL, -`col78` TINYTEXT, -`col79` MEDIUMINT, -`col80` NUMERIC, -`col81` LONGTEXT, -`col82` SET ('test1','test2','test3'), -`col83` DOUBLE PRECISION, -`col84` NUMERIC, -`col85` VARCHAR (184), -`col86` DOUBLE PRECISION, -`col87` MEDIUMTEXT, -`col88` MEDIUMBLOB, -`col89` BOOL, -`col90` SMALLINT, -`col91` TINYINT, -`col92` ENUM ('test1','test2','test3'), -`col93` BOOL, -`col94` TIMESTAMP, -`col95` BOOL, -`col96` MEDIUMTEXT, -`col97` DECIMAL, -`col98` BOOL, -`col99` DECIMAL, -`col100` MEDIUMINT, -`col101` DOUBLE PRECISION, -`col102` TINYINT, -`col103` BOOL, -`col104` MEDIUMINT, -`col105` DECIMAL, -`col106` NUMERIC, -`col107` TIMESTAMP, -`col108` MEDIUMBLOB, -`col109` TINYBLOB, -`col110` SET ('test1','test2','test3'), -`col111` YEAR, -`col112` TIMESTAMP, -`col113` CHAR (201), -`col114` BOOL, -`col115` TINYINT, -`col116` DOUBLE, -`col117` TINYINT, -`col118` TIMESTAMP, -`col119` SET ('test1','test2','test3'), -`col120` SMALLINT, -`col121` TINYBLOB, -`col122` TIMESTAMP, -`col123` BLOB, -`col124` DATE, -`col125` SMALLINT, -`col126` ENUM ('test1','test2','test3'), -`col127` MEDIUMBLOB, -`col128` DOUBLE PRECISION, -`col129` REAL, -`col130` VARCHAR (159), -`col131` MEDIUMBLOB, -`col132` BIGINT, -`col133` INT, -`col134` SET ('test1','test2','test3'), -`col135` CHAR (198), -`col136` SET ('test1','test2','test3'), -`col137` MEDIUMTEXT, -`col138` SMALLINT, -`col139` BLOB, -`col140` LONGBLOB, -KEY `idx0` (`col14`(139),`col24`(208),`col38`,`col35`), -KEY `idx1` (`col48`,`col118`,`col29`(131),`col100`), -KEY `idx2` (`col86`,`col67`,`col43`(175)), -KEY `idx3` (`col19`), -KEY `idx4` (`col40`(220),`col67`), -KEY `idx5` (`col99`,`col56`), -KEY `idx6` (`col68`,`col28`,`col137`(157)), -KEY `idx7` (`col51`(160),`col99`,`col45`,`col39`(9)), -KEY `idx8` (`col15`,`col52`,`col90`,`col94`), -KEY `idx9` (`col24`(3),`col139`(248),`col108`(118),`col41`), -KEY `idx10` (`col36`,`col92`,`col114`), -KEY `idx11` (`col115`,`col9`(116)), -KEY `idx12` (`col130`,`col93`,`col134`), -KEY `idx13` (`col123`(65)), -KEY `idx14` (`col44`(90),`col86`,`col119`), -KEY `idx15` (`col69`), -KEY `idx16` (`col132`,`col81`(118),`col18`), -KEY `idx17` (`col24`(250),`col7`,`col92`,`col45`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 199 columns and 1 indexes -DROP TABLE IF EXISTS `table3`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table3` -(`col0` SMALLINT, -`col1` SET ('test1','test2','test3'), -`col2` TINYTEXT, -`col3` DOUBLE, -`col4` NUMERIC, -`col5` DATE, -`col6` BIGINT, -`col7` DOUBLE, -`col8` TEXT, -`col9` INT, -`col10` REAL, -`col11` TINYINT, -`col12` NUMERIC, -`col13` NUMERIC, -`col14` TIME, -`col15` DOUBLE, -`col16` REAL, -`col17` MEDIUMBLOB, -`col18` YEAR, -`col19` TINYTEXT, -`col20` YEAR, -`col21` CHAR (250), -`col22` TINYINT, -`col23` TINYINT, -`col24` SMALLINT, -`col25` DATETIME, -`col26` MEDIUMINT, -`col27` LONGBLOB, -`col28` VARCHAR (106), -`col29` FLOAT, -`col30` MEDIUMTEXT, -`col31` TINYBLOB, -`col32` BIGINT, -`col33` YEAR, -`col34` REAL, -`col35` MEDIUMBLOB, -`col36` LONGTEXT, -`col37` LONGBLOB, -`col38` BIGINT, -`col39` FLOAT, -`col40` TIME, -`col41` DATETIME, -`col42` BOOL, -`col43` BIGINT, -`col44` SMALLINT, -`col45` TIME, -`col46` DOUBLE PRECISION, -`col47` TIME, -`col48` TINYTEXT, -`col49` DOUBLE PRECISION, -`col50` BIGINT, -`col51` NUMERIC, -`col52` TINYBLOB, -`col53` DATE, -`col54` DECIMAL, -`col55` SMALLINT, -`col56` TINYTEXT, -`col57` ENUM ('test1','test2','test3'), -`col58` YEAR, -`col59` TIME, -`col60` TINYINT, -`col61` DECIMAL, -`col62` DOUBLE, -`col63` DATE, -`col64` LONGTEXT, -`col65` DOUBLE, -`col66` VARCHAR (88), -`col67` MEDIUMTEXT, -`col68` DATE, -`col69` MEDIUMINT, -`col70` DECIMAL, -`col71` MEDIUMTEXT, -`col72` LONGTEXT, -`col73` REAL, -`col74` DOUBLE, -`col75` TIME, -`col76` DATE, -`col77` DECIMAL, -`col78` MEDIUMBLOB, -`col79` NUMERIC, -`col80` BIGINT, -`col81` YEAR, -`col82` SMALLINT, -`col83` MEDIUMINT, -`col84` TINYINT, -`col85` MEDIUMBLOB, -`col86` TIME, -`col87` MEDIUMBLOB, -`col88` LONGTEXT, -`col89` BOOL, -`col90` BLOB, -`col91` LONGBLOB, -`col92` YEAR, -`col93` BLOB, -`col94` INT, -`col95` TINYTEXT, -`col96` TINYINT, -`col97` DECIMAL, -`col98` ENUM ('test1','test2','test3'), -`col99` MEDIUMINT, -`col100` TINYINT, -`col101` MEDIUMBLOB, -`col102` TINYINT, -`col103` SET ('test1','test2','test3'), -`col104` TIMESTAMP, -`col105` TEXT, -`col106` DATETIME, -`col107` MEDIUMTEXT, -`col108` CHAR (220), -`col109` TIME, -`col110` VARCHAR (131), -`col111` DECIMAL, -`col112` FLOAT, -`col113` SMALLINT, -`col114` BIGINT, -`col115` LONGBLOB, -`col116` SET ('test1','test2','test3'), -`col117` ENUM ('test1','test2','test3'), -`col118` BLOB, -`col119` MEDIUMTEXT, -`col120` SET ('test1','test2','test3'), -`col121` DATETIME, -`col122` FLOAT, -`col123` VARCHAR (242), -`col124` YEAR, -`col125` MEDIUMBLOB, -`col126` TIME, -`col127` BOOL, -`col128` TINYBLOB, -`col129` DOUBLE, -`col130` TINYINT, -`col131` BIGINT, -`col132` SMALLINT, -`col133` INT, -`col134` DOUBLE PRECISION, -`col135` MEDIUMBLOB, -`col136` SET ('test1','test2','test3'), -`col137` TINYTEXT, -`col138` DOUBLE PRECISION, -`col139` NUMERIC, -`col140` BLOB, -`col141` SET ('test1','test2','test3'), -`col142` INT, -`col143` VARCHAR (26), -`col144` BLOB, -`col145` REAL, -`col146` SET ('test1','test2','test3'), -`col147` LONGBLOB, -`col148` TEXT, -`col149` BLOB, -`col150` CHAR (189), -`col151` LONGTEXT, -`col152` INT, -`col153` FLOAT, -`col154` LONGTEXT, -`col155` DATE, -`col156` LONGBLOB, -`col157` TINYBLOB, -`col158` REAL, -`col159` DATE, -`col160` TIME, -`col161` YEAR, -`col162` DOUBLE, -`col163` VARCHAR (90), -`col164` FLOAT, -`col165` NUMERIC, -`col166` ENUM ('test1','test2','test3'), -`col167` DOUBLE PRECISION, -`col168` DOUBLE PRECISION, -`col169` TINYBLOB, -`col170` TIME, -`col171` SMALLINT, -`col172` TINYTEXT, -`col173` SMALLINT, -`col174` DOUBLE, -`col175` VARCHAR (14), -`col176` VARCHAR (90), -`col177` REAL, -`col178` MEDIUMINT, -`col179` TINYBLOB, -`col180` FLOAT, -`col181` TIMESTAMP, -`col182` REAL, -`col183` DOUBLE PRECISION, -`col184` BIGINT, -`col185` INT, -`col186` MEDIUMTEXT, -`col187` TIME, -`col188` FLOAT, -`col189` TIME, -`col190` INT, -`col191` FLOAT, -`col192` MEDIUMINT, -`col193` TINYINT, -`col194` MEDIUMTEXT, -`col195` DATE, -`col196` TIME, -`col197` YEAR, -`col198` CHAR (206), -KEY `idx0` (`col39`,`col23`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 133 columns and 16 indexes -DROP TABLE IF EXISTS `table4`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table4` -(`col0` VARCHAR (60), -`col1` NUMERIC, -`col2` LONGTEXT, -`col3` MEDIUMTEXT, -`col4` LONGTEXT, -`col5` LONGBLOB, -`col6` LONGBLOB, -`col7` DATETIME, -`col8` TINYTEXT, -`col9` BLOB, -`col10` BOOL, -`col11` BIGINT, -`col12` TEXT, -`col13` VARCHAR (213), -`col14` TINYBLOB, -`col15` BOOL, -`col16` MEDIUMTEXT, -`col17` DOUBLE, -`col18` TEXT, -`col19` BLOB, -`col20` SET ('test1','test2','test3'), -`col21` TINYINT, -`col22` DATETIME, -`col23` TINYINT, -`col24` ENUM ('test1','test2','test3'), -`col25` REAL, -`col26` BOOL, -`col27` FLOAT, -`col28` LONGBLOB, -`col29` DATETIME, -`col30` FLOAT, -`col31` SET ('test1','test2','test3'), -`col32` LONGBLOB, -`col33` NUMERIC, -`col34` YEAR, -`col35` VARCHAR (146), -`col36` BIGINT, -`col37` DATETIME, -`col38` DATE, -`col39` SET ('test1','test2','test3'), -`col40` CHAR (112), -`col41` FLOAT, -`col42` YEAR, -`col43` TIME, -`col44` DOUBLE, -`col45` NUMERIC, -`col46` FLOAT, -`col47` DECIMAL, -`col48` BIGINT, -`col49` DECIMAL, -`col50` YEAR, -`col51` MEDIUMTEXT, -`col52` LONGBLOB, -`col53` SET ('test1','test2','test3'), -`col54` BLOB, -`col55` FLOAT, -`col56` REAL, -`col57` REAL, -`col58` TEXT, -`col59` MEDIUMBLOB, -`col60` INT, -`col61` INT, -`col62` DATE, -`col63` TEXT, -`col64` DATE, -`col65` ENUM ('test1','test2','test3'), -`col66` DOUBLE PRECISION, -`col67` TINYTEXT, -`col68` TINYBLOB, -`col69` FLOAT, -`col70` BLOB, -`col71` DATETIME, -`col72` DOUBLE, -`col73` LONGTEXT, -`col74` TIME, -`col75` DATETIME, -`col76` VARCHAR (122), -`col77` MEDIUMTEXT, -`col78` MEDIUMTEXT, -`col79` BOOL, -`col80` LONGTEXT, -`col81` TINYTEXT, -`col82` NUMERIC, -`col83` DOUBLE PRECISION, -`col84` DATE, -`col85` YEAR, -`col86` BLOB, -`col87` TINYTEXT, -`col88` DOUBLE PRECISION, -`col89` MEDIUMINT, -`col90` MEDIUMTEXT, -`col91` NUMERIC, -`col92` DATETIME, -`col93` NUMERIC, -`col94` SET ('test1','test2','test3'), -`col95` TINYTEXT, -`col96` SET ('test1','test2','test3'), -`col97` YEAR, -`col98` MEDIUMINT, -`col99` TEXT, -`col100` TEXT, -`col101` TIME, -`col102` VARCHAR (225), -`col103` TINYTEXT, -`col104` TEXT, -`col105` MEDIUMTEXT, -`col106` TINYINT, -`col107` TEXT, -`col108` LONGBLOB, -`col109` LONGTEXT, -`col110` TINYTEXT, -`col111` CHAR (56), -`col112` YEAR, -`col113` ENUM ('test1','test2','test3'), -`col114` TINYBLOB, -`col115` DATETIME, -`col116` DATE, -`col117` TIME, -`col118` MEDIUMTEXT, -`col119` DOUBLE PRECISION, -`col120` FLOAT, -`col121` TIMESTAMP, -`col122` MEDIUMINT, -`col123` YEAR, -`col124` DATE, -`col125` TEXT, -`col126` FLOAT, -`col127` TINYTEXT, -`col128` BOOL, -`col129` NUMERIC, -`col130` TIMESTAMP, -`col131` INT, -`col132` MEDIUMBLOB, -KEY `idx0` (`col130`), -KEY `idx1` (`col30`,`col55`,`col19`(31)), -KEY `idx2` (`col104`(186)), -KEY `idx3` (`col131`), -KEY `idx4` (`col64`,`col93`,`col2`(11)), -KEY `idx5` (`col34`,`col121`,`col22`), -KEY `idx6` (`col33`,`col55`,`col83`), -KEY `idx7` (`col17`,`col87`(245),`col99`(17)), -KEY `idx8` (`col65`,`col120`), -KEY `idx9` (`col82`), -KEY `idx10` (`col9`(72)), -KEY `idx11` (`col88`), -KEY `idx12` (`col128`,`col9`(200),`col71`,`col66`), -KEY `idx13` (`col77`(126)), -KEY `idx14` (`col105`(26),`col13`,`col117`), -KEY `idx15` (`col4`(246),`col130`,`col115`,`col3`(141)) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 176 columns and 13 indexes -DROP TABLE IF EXISTS `table5`; ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table5` -(`col0` MEDIUMTEXT, -`col1` VARCHAR (90), -`col2` TINYTEXT, -`col3` TIME, -`col4` BOOL, -`col5` TINYTEXT, -`col6` BOOL, -`col7` TIMESTAMP, -`col8` TINYBLOB, -`col9` TINYINT, -`col10` YEAR, -`col11` SET ('test1','test2','test3'), -`col12` TEXT, -`col13` CHAR (248), -`col14` BIGINT, -`col15` TEXT, -`col16` TINYINT, -`col17` NUMERIC, -`col18` SET ('test1','test2','test3'), -`col19` LONGBLOB, -`col20` FLOAT, -`col21` INT, -`col22` TEXT, -`col23` BOOL, -`col24` DECIMAL, -`col25` DOUBLE PRECISION, -`col26` FLOAT, -`col27` TINYBLOB, -`col28` NUMERIC, -`col29` MEDIUMBLOB, -`col30` DATE, -`col31` LONGTEXT, -`col32` DATE, -`col33` FLOAT, -`col34` BIGINT, -`col35` TINYTEXT, -`col36` MEDIUMTEXT, -`col37` TIME, -`col38` INT, -`col39` TINYINT, -`col40` SET ('test1','test2','test3'), -`col41` CHAR (130), -`col42` SMALLINT, -`col43` INT, -`col44` MEDIUMTEXT, -`col45` VARCHAR (126), -`col46` INT, -`col47` DOUBLE PRECISION, -`col48` BIGINT, -`col49` MEDIUMTEXT, -`col50` TINYBLOB, -`col51` MEDIUMINT, -`col52` TEXT, -`col53` VARCHAR (208), -`col54` VARCHAR (207), -`col55` NUMERIC, -`col56` DATETIME, -`col57` ENUM ('test1','test2','test3'), -`col58` NUMERIC, -`col59` TINYBLOB, -`col60` VARCHAR (73), -`col61` MEDIUMTEXT, -`col62` TINYBLOB, -`col63` DATETIME, -`col64` NUMERIC, -`col65` MEDIUMINT, -`col66` DATETIME, -`col67` NUMERIC, -`col68` TINYINT, -`col69` VARCHAR (58), -`col70` DECIMAL, -`col71` MEDIUMTEXT, -`col72` DATE, -`col73` TIME, -`col74` DOUBLE PRECISION, -`col75` DECIMAL, -`col76` MEDIUMBLOB, -`col77` REAL, -`col78` YEAR, -`col79` YEAR, -`col80` LONGBLOB, -`col81` BLOB, -`col82` BIGINT, -`col83` ENUM ('test1','test2','test3'), -`col84` NUMERIC, -`col85` SET ('test1','test2','test3'), -`col86` MEDIUMTEXT, -`col87` LONGBLOB, -`col88` TIME, -`col89` ENUM ('test1','test2','test3'), -`col90` DECIMAL, -`col91` FLOAT, -`col92` DATETIME, -`col93` TINYTEXT, -`col94` TIMESTAMP, -`col95` TIMESTAMP, -`col96` TEXT, -`col97` REAL, -`col98` VARCHAR (198), -`col99` TIME, -`col100` TINYINT, -`col101` BIGINT, -`col102` LONGBLOB, -`col103` LONGBLOB, -`col104` MEDIUMINT, -`col105` MEDIUMTEXT, -`col106` TIMESTAMP, -`col107` SMALLINT, -`col108` NUMERIC, -`col109` DECIMAL, -`col110` FLOAT, -`col111` DECIMAL, -`col112` REAL, -`col113` TINYTEXT, -`col114` FLOAT, -`col115` VARCHAR (7), -`col116` LONGTEXT, -`col117` DATE, -`col118` BIGINT, -`col119` TEXT, -`col120` BIGINT, -`col121` BLOB, -`col122` CHAR (110), -`col123` NUMERIC, -`col124` MEDIUMBLOB, -`col125` NUMERIC, -`col126` NUMERIC, -`col127` BOOL, -`col128` TIME, -`col129` TINYBLOB, -`col130` TINYBLOB, -`col131` DATE, -`col132` INT, -`col133` VARCHAR (123), -`col134` CHAR (238), -`col135` VARCHAR (225), -`col136` LONGTEXT, -`col137` LONGBLOB, -`col138` REAL, -`col139` TINYBLOB, -`col140` DATETIME, -`col141` TINYTEXT, -`col142` LONGBLOB, -`col143` BIGINT, -`col144` VARCHAR (236), -`col145` TEXT, -`col146` YEAR, -`col147` DECIMAL, -`col148` TEXT, -`col149` MEDIUMBLOB, -`col150` TINYINT, -`col151` BOOL, -`col152` VARCHAR (72), -`col153` INT, -`col154` VARCHAR (165), -`col155` TINYINT, -`col156` MEDIUMTEXT, -`col157` DOUBLE PRECISION, -`col158` TIME, -`col159` MEDIUMBLOB, -`col160` LONGBLOB, -`col161` DATETIME, -`col162` DOUBLE PRECISION, -`col163` BLOB, -`col164` ENUM ('test1','test2','test3'), -`col165` TIMESTAMP, -`col166` DATE, -`col167` TINYBLOB, -`col168` TINYBLOB, -`col169` LONGBLOB, -`col170` DATETIME, -`col171` BIGINT, -`col172` VARCHAR (30), -`col173` LONGTEXT, -`col174` TIME, -`col175` FLOAT, -KEY `idx0` (`col16`,`col156`(139),`col97`,`col120`), -KEY `idx1` (`col24`,`col0`(108)), -KEY `idx2` (`col117`,`col173`(34),`col132`,`col82`), -KEY `idx3` (`col2`(86)), -KEY `idx4` (`col2`(43)), -KEY `idx5` (`col83`,`col35`(87),`col111`), -KEY `idx6` (`col6`,`col134`,`col92`), -KEY `idx7` (`col56`), -KEY `idx8` (`col30`,`col53`,`col129`(66)), -KEY `idx9` (`col53`,`col113`(211),`col32`,`col15`(75)), -KEY `idx10` (`col34`), -KEY `idx11` (`col126`), -KEY `idx12` (`col24`) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -# Creating a table with 179 columns and 46 indexes -DROP TABLE IF EXISTS `table6`; --- error ER_TOO_BIG_ROWSIZE ---error ER_TOO_BIG_ROWSIZE -CREATE TABLE IF NOT EXISTS `table6` -(`col0` ENUM ('test1','test2','test3'), -`col1` MEDIUMBLOB, -`col2` MEDIUMBLOB, -`col3` DATETIME, -`col4` DATE, -`col5` YEAR, -`col6` REAL, -`col7` NUMERIC, -`col8` MEDIUMBLOB, -`col9` TEXT, -`col10` TIMESTAMP, -`col11` DOUBLE, -`col12` DOUBLE, -`col13` SMALLINT, -`col14` TIMESTAMP, -`col15` DECIMAL, -`col16` DATE, -`col17` TEXT, -`col18` LONGBLOB, -`col19` BIGINT, -`col20` FLOAT, -`col21` DATETIME, -`col22` TINYINT, -`col23` MEDIUMBLOB, -`col24` SET ('test1','test2','test3'), -`col25` TIME, -`col26` TEXT, -`col27` LONGTEXT, -`col28` BIGINT, -`col29` REAL, -`col30` YEAR, -`col31` MEDIUMBLOB, -`col32` MEDIUMINT, -`col33` FLOAT, -`col34` TEXT, -`col35` DATE, -`col36` TIMESTAMP, -`col37` REAL, -`col38` BLOB, -`col39` BLOB, -`col40` BLOB, -`col41` TINYBLOB, -`col42` INT, -`col43` TINYINT, -`col44` REAL, -`col45` BIGINT, -`col46` TIMESTAMP, -`col47` BLOB, -`col48` ENUM ('test1','test2','test3'), -`col49` BOOL, -`col50` CHAR (109), -`col51` DOUBLE, -`col52` DOUBLE PRECISION, -`col53` ENUM ('test1','test2','test3'), -`col54` FLOAT, -`col55` DOUBLE PRECISION, -`col56` CHAR (166), -`col57` TEXT, -`col58` TIME, -`col59` DECIMAL, -`col60` TEXT, -`col61` ENUM ('test1','test2','test3'), -`col62` LONGTEXT, -`col63` YEAR, -`col64` DOUBLE, -`col65` CHAR (87), -`col66` DATE, -`col67` BOOL, -`col68` MEDIUMBLOB, -`col69` DATETIME, -`col70` DECIMAL, -`col71` TIME, -`col72` REAL, -`col73` LONGTEXT, -`col74` BLOB, -`col75` REAL, -`col76` INT, -`col77` INT, -`col78` FLOAT, -`col79` DOUBLE, -`col80` MEDIUMINT, -`col81` ENUM ('test1','test2','test3'), -`col82` VARCHAR (221), -`col83` BIGINT, -`col84` TINYINT, -`col85` BIGINT, -`col86` FLOAT, -`col87` MEDIUMBLOB, -`col88` CHAR (126), -`col89` MEDIUMBLOB, -`col90` DATETIME, -`col91` TINYINT, -`col92` DOUBLE, -`col93` NUMERIC, -`col94` DATE, -`col95` BLOB, -`col96` DATETIME, -`col97` TIME, -`col98` LONGBLOB, -`col99` INT, -`col100` SET ('test1','test2','test3'), -`col101` TINYBLOB, -`col102` INT, -`col103` MEDIUMBLOB, -`col104` MEDIUMTEXT, -`col105` FLOAT, -`col106` TINYBLOB, -`col107` VARCHAR (26), -`col108` TINYINT, -`col109` TIME, -`col110` TINYBLOB, -`col111` LONGBLOB, -`col112` TINYTEXT, -`col113` FLOAT, -`col114` TINYINT, -`col115` NUMERIC, -`col116` TIME, -`col117` SET ('test1','test2','test3'), -`col118` DATE, -`col119` SMALLINT, -`col120` BLOB, -`col121` TINYTEXT, -`col122` REAL, -`col123` YEAR, -`col124` REAL, -`col125` BOOL, -`col126` BLOB, -`col127` REAL, -`col128` MEDIUMBLOB, -`col129` TIMESTAMP, -`col130` LONGBLOB, -`col131` MEDIUMBLOB, -`col132` YEAR, -`col133` YEAR, -`col134` INT, -`col135` MEDIUMINT, -`col136` MEDIUMINT, -`col137` TINYTEXT, -`col138` TINYBLOB, -`col139` BLOB, -`col140` SET ('test1','test2','test3'), -`col141` ENUM ('test1','test2','test3'), -`col142` ENUM ('test1','test2','test3'), -`col143` TINYTEXT, -`col144` DATETIME, -`col145` TEXT, -`col146` DOUBLE PRECISION, -`col147` DECIMAL, -`col148` MEDIUMTEXT, -`col149` TINYTEXT, -`col150` SET ('test1','test2','test3'), -`col151` MEDIUMTEXT, -`col152` CHAR (126), -`col153` DOUBLE, -`col154` CHAR (243), -`col155` SET ('test1','test2','test3'), -`col156` SET ('test1','test2','test3'), -`col157` DATETIME, -`col158` DOUBLE, -`col159` NUMERIC, -`col160` DECIMAL, -`col161` FLOAT, -`col162` LONGBLOB, -`col163` LONGTEXT, -`col164` INT, -`col165` TIME, -`col166` CHAR (27), -`col167` VARCHAR (63), -`col168` TEXT, -`col169` TINYBLOB, -`col170` TINYBLOB, -`col171` ENUM ('test1','test2','test3'), -`col172` INT, -`col173` TIME, -`col174` DECIMAL, -`col175` DOUBLE, -`col176` MEDIUMBLOB, -`col177` LONGBLOB, -`col178` CHAR (43), -KEY `idx0` (`col131`(219)), -KEY `idx1` (`col67`,`col122`,`col59`,`col87`(33)), -KEY `idx2` (`col83`,`col42`,`col57`(152)), -KEY `idx3` (`col106`(124)), -KEY `idx4` (`col173`,`col80`,`col165`,`col89`(78)), -KEY `idx5` (`col174`,`col145`(108),`col23`(228),`col141`), -KEY `idx6` (`col157`,`col140`), -KEY `idx7` (`col130`(188),`col15`), -KEY `idx8` (`col52`), -KEY `idx9` (`col144`), -KEY `idx10` (`col155`), -KEY `idx11` (`col62`(230),`col1`(109)), -KEY `idx12` (`col151`(24),`col95`(85)), -KEY `idx13` (`col114`), -KEY `idx14` (`col42`,`col98`(56),`col146`), -KEY `idx15` (`col147`,`col39`(254),`col35`), -KEY `idx16` (`col79`), -KEY `idx17` (`col65`), -KEY `idx18` (`col149`(165),`col168`(119),`col32`,`col117`), -KEY `idx19` (`col64`), -KEY `idx20` (`col93`), -KEY `idx21` (`col64`,`col113`,`col104`(182)), -KEY `idx22` (`col52`,`col111`(189)), -KEY `idx23` (`col45`), -KEY `idx24` (`col154`,`col107`,`col110`(159)), -KEY `idx25` (`col149`(1),`col87`(131)), -KEY `idx26` (`col58`,`col115`,`col63`), -KEY `idx27` (`col95`(9),`col0`,`col87`(113)), -KEY `idx28` (`col92`,`col130`(1)), -KEY `idx29` (`col151`(129),`col137`(254),`col13`), -KEY `idx30` (`col49`), -KEY `idx31` (`col28`), -KEY `idx32` (`col83`,`col146`), -KEY `idx33` (`col155`,`col90`,`col17`(245)), -KEY `idx34` (`col174`,`col169`(44),`col107`), -KEY `idx35` (`col113`), -KEY `idx36` (`col52`), -KEY `idx37` (`col16`,`col120`(190)), -KEY `idx38` (`col28`), -KEY `idx39` (`col131`(165)), -KEY `idx40` (`col135`,`col26`(86)), -KEY `idx41` (`col69`,`col94`), -KEY `idx42` (`col105`,`col151`(38),`col97`), -KEY `idx43` (`col88`), -KEY `idx44` (`col176`(100),`col42`,`col73`(189),`col94`), -KEY `idx45` (`col2`(27),`col27`(116)) -)engine=innodb ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; - -DROP TABLE IF EXISTS table0; -DROP TABLE IF EXISTS table1; -DROP TABLE IF EXISTS table2; -DROP TABLE IF EXISTS table3; -DROP TABLE IF EXISTS table4; -DROP TABLE IF EXISTS table5; -DROP TABLE IF EXISTS table6; - -EVAL SET GLOBAL innodb_file_format=$file_format; -EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/mysql-test/t/innodb_bug36172.test b/mysql-test/t/innodb_bug36172.test deleted file mode 100644 index c6c4e6fae47..00000000000 --- a/mysql-test/t/innodb_bug36172.test +++ /dev/null @@ -1,32 +0,0 @@ -# -# Test case for bug 36172 -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET storage_engine=InnoDB; - -# we do not really care about what gets printed, we are only -# interested in getting success or failure according to our -# expectations - --- disable_query_log --- disable_result_log - -let $file_format=`select @@innodb_file_format`; -let $file_format_check=`select @@innodb_file_format_check`; -let $file_per_table=`select @@innodb_file_per_table`; -SET GLOBAL innodb_file_format='Barracuda'; -SET GLOBAL innodb_file_per_table=on; - -DROP TABLE IF EXISTS `table0`; -CREATE TABLE `table0` ( `col0` tinyint(1) DEFAULT NULL, `col1` tinyint(1) DEFAULT NULL, `col2` tinyint(4) DEFAULT NULL, `col3` date DEFAULT NULL, `col4` time DEFAULT NULL, `col5` set('test1','test2','test3') DEFAULT NULL, `col6` time DEFAULT NULL, `col7` text, `col8` decimal(10,0) DEFAULT NULL, `col9` set('test1','test2','test3') DEFAULT NULL, `col10` float DEFAULT NULL, `col11` double DEFAULT NULL, `col12` enum('test1','test2','test3') DEFAULT NULL, `col13` tinyblob, `col14` year(4) DEFAULT NULL, `col15` set('test1','test2','test3') DEFAULT NULL, `col16` decimal(10,0) DEFAULT NULL, `col17` decimal(10,0) DEFAULT NULL, `col18` blob, `col19` datetime DEFAULT NULL, `col20` double DEFAULT NULL, `col21` decimal(10,0) DEFAULT NULL, `col22` datetime DEFAULT NULL, `col23` decimal(10,0) DEFAULT NULL, `col24` decimal(10,0) DEFAULT NULL, `col25` longtext, `col26` tinyblob, `col27` time DEFAULT NULL, `col28` tinyblob, `col29` enum('test1','test2','test3') DEFAULT NULL, `col30` smallint(6) DEFAULT NULL, `col31` double DEFAULT NULL, `col32` float DEFAULT NULL, `col33` char(175) DEFAULT NULL, `col34` tinytext, `col35` tinytext, `col36` tinyblob, `col37` tinyblob, `col38` tinytext, `col39` mediumblob, `col40` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `col41` double DEFAULT NULL, `col42` smallint(6) DEFAULT NULL, `col43` longblob, `col44` varchar(80) DEFAULT NULL, `col45` mediumtext, `col46` decimal(10,0) DEFAULT NULL, `col47` bigint(20) DEFAULT NULL, `col48` date DEFAULT NULL, `col49` tinyblob, `col50` date DEFAULT NULL, `col51` tinyint(1) DEFAULT NULL, `col52` mediumint(9) DEFAULT NULL, `col53` float DEFAULT NULL, `col54` tinyblob, `col55` longtext, `col56` smallint(6) DEFAULT NULL, `col57` enum('test1','test2','test3') DEFAULT NULL, `col58` datetime DEFAULT NULL, `col59` mediumtext, `col60` varchar(232) DEFAULT NULL, `col61` decimal(10,0) DEFAULT NULL, `col62` year(4) DEFAULT NULL, `col63` smallint(6) DEFAULT NULL, `col64` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col65` blob, `col66` longblob, `col67` int(11) DEFAULT NULL, `col68` longtext, `col69` enum('test1','test2','test3') DEFAULT NULL, `col70` int(11) DEFAULT NULL, `col71` time DEFAULT NULL, `col72` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col73` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', `col74` varchar(170) DEFAULT NULL, `col75` set('test1','test2','test3') DEFAULT NULL, `col76` tinyblob, `col77` bigint(20) DEFAULT NULL, `col78` decimal(10,0) DEFAULT NULL, `col79` datetime DEFAULT NULL, `col80` year(4) DEFAULT NULL, `col81` decimal(10,0) DEFAULT NULL, `col82` longblob, `col83` text, `col84` char(83) DEFAULT NULL, `col85` decimal(10,0) DEFAULT NULL, `col86` float DEFAULT NULL, `col87` int(11) DEFAULT NULL, `col88` varchar(145) DEFAULT NULL, `col89` date DEFAULT NULL, `col90` decimal(10,0) DEFAULT NULL, `col91` decimal(10,0) DEFAULT NULL, `col92` mediumblob, `col93` time DEFAULT NULL, KEY `idx0` (`col69`,`col90`,`col8`), KEY `idx1` (`col60`), KEY `idx2` (`col60`,`col70`,`col74`), KEY `idx3` (`col22`,`col32`,`col72`,`col30`), KEY `idx4` (`col29`), KEY `idx5` (`col19`,`col45`(143)), KEY `idx6` (`col46`,`col48`,`col5`,`col39`(118)), KEY `idx7` (`col48`,`col61`), KEY `idx8` (`col93`), KEY `idx9` (`col31`), KEY `idx10` (`col30`,`col21`), KEY `idx11` (`col67`), KEY `idx12` (`col44`,`col6`,`col8`,`col38`(226)), KEY `idx13` (`col71`,`col41`,`col15`,`col49`(88)), KEY `idx14` (`col78`), KEY `idx15` (`col63`,`col67`,`col64`), KEY `idx16` (`col17`,`col86`), KEY `idx17` (`col77`,`col56`,`col10`,`col55`(24)), KEY `idx18` (`col62`), KEY `idx19` (`col31`,`col57`,`col56`,`col53`), KEY `idx20` (`col46`), KEY `idx21` (`col83`(54)), KEY `idx22` (`col51`,`col7`(120)), KEY `idx23` (`col7`(163),`col31`,`col71`,`col14`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2; -insert ignore into `table0` set `col23` = 7887371.5084383683, `col24` = 4293854615.6906948000, `col25` = 'vitalist', `col26` = 'widespread', `col27` = '3570490', `col28` = 'habitual', `col30` = -5471, `col31` = 4286985783.6771750000, `col32` = 6354540.9826654866, `col33` = 'defoliation', `col34` = 'logarithms', `col35` = 'tegument\'s', `col36` = 'scouting\'s', `col37` = 'intermittency', `col38` = 'elongates', `col39` = 'prophecies', `col40` = '20560103035939', `col41` = 4292809130.0544143000, `col42` = 22057, `col43` = 'Hess\'s', `col44` = 'bandstand', `col45` = 'phenylketonuria', `col46` = 6338767.4018677324, `col47` = 5310247, `col48` = '12592418', `col49` = 'churchman\'s', `col50` = '32226125', `col51` = -58, `col52` = -6207968, `col53` = 1244839.3255104220, `col54` = 'robotized', `col55` = 'monotonous', `col56` = -26909, `col58` = '20720107023550', `col59` = 'suggestiveness\'s', `col60` = 'gemology', `col61` = 4287800670.2229986000, `col62` = '1944', `col63` = -16827, `col64` = '20700107212324', `col65` = 'Nicolais', `col66` = 'apteryx', `col67` = 6935317, `col68` = 'stroganoff', `col70` = 3316430, `col71` = '3277608', `col72` = '19300511045918', `col73` = '20421201003327', `col74` = 'attenuant', `col75` = '15173', `col76` = 'upstroke\'s', `col77` = 8118987, `col78` = 6791516.2735374002, `col79` = '20780701144624', `col80` = '2134', `col81` = 4290682351.3127537000, `col82` = 'unexplainably', `col83` = 'Storm', `col84` = 'Greyso\'s', `col85` = 4289119212.4306774000, `col86` = 7617575.8796655172, `col87` = -6325335, `col88` = 'fondue\'s', `col89` = '40608940', `col90` = 1659421.8093508712, `col91` = 8346904.6584368423, `col92` = 'reloads', `col93` = '5188366'; -CHECK TABLE table0 EXTENDED; -INSERT IGNORE INTO `table0` SET `col19` = '19940127002709', `col20` = 2383927.9055146948, `col21` = 4293243420.5621204000, `col22` = '20511211123705', `col23` = 4289899778.6573381000, `col24` = 4293449279.0540481000, `col25` = 'emphysemic', `col26` = 'dentally', `col27` = '2347406', `col28` = 'eruct', `col30` = 1222, `col31` = 4294372994.9941406000, `col32` = 4291385574.1173744000, `col33` = 'borrowing\'s', `col34` = 'septics', `col35` = 'ratter\'s', `col36` = 'Kaye', `col37` = 'Florentia', `col38` = 'allium', `col39` = 'barkeep', `col40` = '19510407003441', `col41` = 4293559200.4215522000, `col42` = 22482, `col43` = 'decussate', `col44` = 'Brom\'s', `col45` = 'violated', `col46` = 4925506.4635456400, `col47` = 930549, `col48` = '51296066', `col49` = 'voluminously', `col50` = '29306676', `col51` = -88, `col52` = -2153690, `col53` = 4290250202.1464887000, `col54` = 'expropriation', `col55` = 'Aberdeen\'s', `col56` = 20343, `col58` = '19640415171532', `col59` = 'extern', `col60` = 'Ubana', `col61` = 4290487961.8539081000, `col62` = '2147', `col63` = -24271, `col64` = '20750801194548', `col65` = 'Cunaxa\'s', `col66` = 'pasticcio', `col67` = 2795817, `col68` = 'Indore\'s', `col70` = 6864127, `col71` = '1817832', `col72` = '20540506114211', `col73` = '20040101012300', `col74` = 'rationalized', `col75` = '45522', `col76` = 'indene', `col77` = -6964559, `col78` = 4247535.5266884370, `col79` = '20720416124357', `col80` = '2143', `col81` = 4292060102.4466386000, `col82` = 'striving', `col83` = 'boneblack\'s', `col84` = 'redolent', `col85` = 6489697.9009369183, `col86` = 4287473465.9731131000, `col87` = 7726015, `col88` = 'perplexed', `col89` = '17153791', `col90` = 5478587.1108127078, `col91` = 4287091404.7004304000, `col92` = 'Boulez\'s', `col93` = '2931278'; -CHECK TABLE table0 EXTENDED; -DROP TABLE table0; -EVAL SET GLOBAL innodb_file_format=$file_format; -EVAL SET GLOBAL innodb_file_format_check=$file_format_check; -EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/mysql-test/t/innodb_bug40360.test b/mysql-test/t/innodb_bug40360.test deleted file mode 100644 index e88837aab4f..00000000000 --- a/mysql-test/t/innodb_bug40360.test +++ /dev/null @@ -1,16 +0,0 @@ -# -# Make sure http://bugs.mysql.com/40360 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -SET TX_ISOLATION='READ-COMMITTED'; - -# This is the default since MySQL 5.1.29 SET BINLOG_FORMAT='STATEMENT'; - -CREATE TABLE bug40360 (a INT) engine=innodb; - -INSERT INTO bug40360 VALUES (1); - -DROP TABLE bug40360; diff --git a/mysql-test/t/innodb_bug41904.test b/mysql-test/t/innodb_bug41904.test deleted file mode 100644 index 365c5229adc..00000000000 --- a/mysql-test/t/innodb_bug41904.test +++ /dev/null @@ -1,14 +0,0 @@ -# -# Make sure http://bugs.mysql.com/41904 remains fixed. -# - --- source include/not_embedded.inc --- source include/have_innodb.inc - -CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB; - -INSERT INTO bug41904 VALUES (1,NULL), (2,NULL); - -CREATE UNIQUE INDEX ui ON bug41904 (uniquecol); - -DROP TABLE bug41904; diff --git a/mysql-test/t/innodb_bug44032.test b/mysql-test/t/innodb_bug44032.test deleted file mode 100644 index a963cb8b68f..00000000000 --- a/mysql-test/t/innodb_bug44032.test +++ /dev/null @@ -1,13 +0,0 @@ -# Bug44032 no update-in-place of UTF-8 columns in ROW_FORMAT=REDUNDANT -# (btr_cur_update_in_place not invoked when updating from/to NULL; -# the update is performed by delete and insert instead) - --- source include/have_innodb.inc - -CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT -ENGINE=InnoDB; -INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4); -UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4; -UPDATE bug44032 SET c=NULL WHERE c='DDD'; -UPDATE bug44032 SET c='DDD' WHERE c IS NULL; -DROP TABLE bug44032; diff --git a/mysql-test/t/innodb_file_format.test b/mysql-test/t/innodb_file_format.test deleted file mode 100644 index 5d094cb9dba..00000000000 --- a/mysql-test/t/innodb_file_format.test +++ /dev/null @@ -1,29 +0,0 @@ --- source include/have_innodb.inc - -select @@innodb_file_format; -select @@innodb_file_format_check; -set global innodb_file_format=antelope; -set global innodb_file_format=barracuda; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=cheetah; -select @@innodb_file_format; -set global innodb_file_format=default; -select @@innodb_file_format; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=on; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=off; -select @@innodb_file_format; -set global innodb_file_format_check=antelope; -set global innodb_file_format_check=barracuda; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format_check=cheetah; -select @@innodb_file_format_check; -set global innodb_file_format_check=default; -select @@innodb_file_format_check; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=on; ---error ER_WRONG_VALUE_FOR_VAR -set global innodb_file_format=off; -select @@innodb_file_format_check; -set global innodb_file_format_check=antelope; diff --git a/mysql-test/t/innodb_information_schema.test b/mysql-test/t/innodb_information_schema.test deleted file mode 100644 index fc1d38d8d14..00000000000 --- a/mysql-test/t/innodb_information_schema.test +++ /dev/null @@ -1,149 +0,0 @@ -# -# Test that user data is correctly "visualized" in -# INFORMATION_SCHEMA.innodb_locks.lock_data -# - --- source include/have_innodb.inc - --- disable_query_log --- disable_result_log - -SET storage_engine=InnoDB; - --- disable_warnings -DROP TABLE IF EXISTS t_min, t_max; --- enable_warnings - -let $table_def = -( - c01 TINYINT, - c02 TINYINT UNSIGNED, - c03 SMALLINT, - c04 SMALLINT UNSIGNED, - c05 MEDIUMINT, - c06 MEDIUMINT UNSIGNED, - c07 INT, - c08 INT UNSIGNED, - c09 BIGINT, - c10 BIGINT UNSIGNED, - PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10) -); - --- eval CREATE TABLE t_min $table_def; -INSERT INTO t_min VALUES -(-128, 0, - -32768, 0, - -8388608, 0, - -2147483648, 0, - -9223372036854775808, 0); - --- eval CREATE TABLE t_max $table_def; -INSERT INTO t_max VALUES -(127, 255, - 32767, 65535, - 8388607, 16777215, - 2147483647, 4294967295, - 9223372036854775807, 18446744073709551615); - -CREATE TABLE ```t'\"_str` ( - c1 VARCHAR(32), - c2 VARCHAR(32), - c3 VARCHAR(32), - c4 VARCHAR(32), - c5 VARCHAR(32), - c6 VARCHAR(32), - c7 VARCHAR(32), - PRIMARY KEY(c1, c2, c3, c4, c5, c6, c7) -); -INSERT INTO ```t'\"_str` VALUES -('1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''); -INSERT INTO ```t'\"_str` VALUES -('2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'); -INSERT INTO ```t'\"_str` VALUES -('3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'); -INSERT INTO ```t'\"_str` VALUES -('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000); - --- connect (con_lock,localhost,root,,) --- connect (con_min_trylock,localhost,root,,) --- connect (con_max_trylock,localhost,root,,) --- connect (con_str_insert_supremum,localhost,root,,) --- connect (con_str_lock_row1,localhost,root,,) --- connect (con_str_lock_row2,localhost,root,,) --- connect (con_str_lock_row3,localhost,root,,) --- connect (con_str_lock_row4,localhost,root,,) --- connect (con_verify_innodb_locks,localhost,root,,) - --- connection con_lock -SET autocommit=0; -SELECT * FROM t_min FOR UPDATE; -SELECT * FROM t_max FOR UPDATE; -SELECT * FROM ```t'\"_str` FOR UPDATE; - --- connection con_min_trylock --- send -SELECT * FROM t_min FOR UPDATE; - --- connection con_max_trylock --- send -SELECT * FROM t_max FOR UPDATE; - --- connection con_str_insert_supremum --- send -INSERT INTO ```t'\"_str` VALUES -('z', 'z', 'z', 'z', 'z', 'z', 'z'); - --- connection con_str_lock_row1 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '1' FOR UPDATE; - --- connection con_str_lock_row2 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '2' FOR UPDATE; - --- connection con_str_lock_row3 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE; - --- connection con_str_lock_row4 --- send -SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE; - --- enable_result_log --- connection con_verify_innodb_locks -# Wait for the above queries to execute before continuing. -# Without this, it sometimes happens that the SELECT from innodb_locks -# executes before some of them, resulting in less than expected number -# of rows being selected from innodb_locks. If there is a bug and there -# are no 14 rows in innodb_locks then this test will fail with timeout. -let $count = 14; -let $table = INFORMATION_SCHEMA.INNODB_LOCKS; --- source include/wait_until_rows_count.inc -# the above enables the query log, re-disable it --- disable_query_log -SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data -FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data; - -SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS -GROUP BY lock_table; - -set @save_sql_mode = @@sql_mode; -SET SQL_MODE='ANSI_QUOTES'; -SELECT lock_table,COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS -GROUP BY lock_table; -SET @@sql_mode=@save_sql_mode; --- disable_result_log - --- connection default - --- disconnect con_lock --- disconnect con_min_trylock --- disconnect con_max_trylock --- disconnect con_str_insert_supremum --- disconnect con_str_lock_row1 --- disconnect con_str_lock_row2 --- disconnect con_str_lock_row3 --- disconnect con_str_lock_row4 --- disconnect con_verify_innodb_locks - -DROP TABLE t_min, t_max, ```t'\"_str`; From 0f0e5a91064598e8c3e78cccb0f4d46474a86d76 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 19 Apr 2010 14:07:35 +0300 Subject: [PATCH 229/400] Re-enable tests that have been fixed and update the innodb test to the latest behavior after it has been disabled for a long time. --- mysql-test/suite/innodb/r/innodb.result | 3 +- mysql-test/suite/innodb/t/disabled.def | 1 - mysql-test/suite/innodb/t/innodb.test | 188 ++++++++++++------------ mysql-test/t/disabled.def | 2 - 4 files changed, 98 insertions(+), 96 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result index d7f4731436b..e435c0f68ca 100644 --- a/mysql-test/suite/innodb/r/innodb.result +++ b/mysql-test/suite/innodb/r/innodb.result @@ -692,7 +692,6 @@ select count(*) from t1 where sca_pic is null; count(*) 2 alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); -ERROR 42000: Incorrect index name 'sca_pic' alter table t1 drop index sca_pic; alter table t1 add index sca_pic (cat_code, sca_pic); select count(*) from t1 where sca_code='PD' and sca_pic is null; @@ -1753,7 +1752,7 @@ variable_value - @innodb_rows_deleted_orig 71 SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; variable_value - @innodb_rows_inserted_orig -1084 +1087 SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; variable_value - @innodb_rows_updated_orig 885 diff --git a/mysql-test/suite/innodb/t/disabled.def b/mysql-test/suite/innodb/t/disabled.def index 6535ee27887..e69de29bb2d 100644 --- a/mysql-test/suite/innodb/t/disabled.def +++ b/mysql-test/suite/innodb/t/disabled.def @@ -1 +0,0 @@ -innodb-index : Bug#49396 2009-12-03 test fails in embedded mode diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index 9f9766acd82..84b354b33ea 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -428,7 +428,9 @@ select count(*) from t1 where sca_code = 'PD'; select count(*) from t1 where sca_code <= 'PD'; select count(*) from t1 where sca_pic is null; # this should be fixed by MySQL (see Bug #51451) ---error ER_WRONG_NAME_FOR_INDEX +# now that http://bugs.mysql.com/49838 is fixed the following ALTER does +# copy the table instead of failing +# --error ER_WRONG_NAME_FOR_INDEX alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); alter table t1 drop index sca_pic; alter table t1 add index sca_pic (cat_code, sca_pic); @@ -1235,11 +1237,11 @@ drop table t1; # # Bug #4082: integer truncation # - -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -drop table t1; +# disable because the bug has resurfaced +#create table t1(a int(1) , b int(1)) engine=innodb; +#insert into t1 values ('1111', '3333'); +#select distinct concat(a, b) from t1; +#drop table t1; # # BUG#7709 test case - Boolean fulltext query against unsupported @@ -1861,93 +1863,97 @@ DROP TABLE t2,t1; # # Test case for bug #16229: MySQL/InnoDB uses full explicit table locks in trigger processing # - -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -connection b; -set autocommit = 0; -update t1 set b = 5 where a = 2; -connection a; -delimiter |; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -delimiter ;| -set autocommit = 0; -connection a; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -connection b; -commit; -connection a; -commit; -drop trigger t1t; -drop table t1; -disconnect a; -disconnect b; +## the following cannot be tested after the introduction of metadata locks +## because the create trigger command blocks and waits for connection b to +## commit +## begin disabled_mdl +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#insert into t1(a) values (1),(2),(3); +#commit; +#connection b; +#set autocommit = 0; +#update t1 set b = 5 where a = 2; +#connection a; +#delimiter |; +#create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | +#delimiter ;| +#set autocommit = 0; +#connection a; +#insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), +#(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), +#(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), +#(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), +#(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); +#connection b; +#commit; +#connection a; +#commit; +#drop trigger t1t; +#drop table t1; +#disconnect a; +#disconnect b; +## +## Another trigger test +## +#connect (a,localhost,root,,); +#connect (b,localhost,root,,); +#connection a; +#create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; +#insert into t1(a) values (1),(2),(3); +#insert into t2(a) values (1),(2),(3); +#insert into t3(a) values (1),(2),(3); +#insert into t4(a) values (1),(2),(3); +#insert into t3(a) values (5),(7),(8); +#insert into t4(a) values (5),(7),(8); +#insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); # -# Another trigger test +#delimiter |; +#create trigger t1t before insert on t1 for each row begin +# INSERT INTO t2 SET a = NEW.a; +#end | # -connect (a,localhost,root,,); -connect (b,localhost,root,,); -connection a; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); - -delimiter |; -create trigger t1t before insert on t1 for each row begin - INSERT INTO t2 SET a = NEW.a; -end | - -create trigger t2t before insert on t2 for each row begin - DELETE FROM t3 WHERE a = NEW.a; -end | - -create trigger t3t before delete on t3 for each row begin - UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | - -create trigger t4t before update on t4 for each row begin - UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -delimiter ;| -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -connection b; -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; -connection default; -disconnect a; -disconnect b; +#create trigger t2t before insert on t2 for each row begin +# DELETE FROM t3 WHERE a = NEW.a; +#end | +# +#create trigger t3t before delete on t3 for each row begin +# UPDATE t4 SET b = b + 1 WHERE a = OLD.a; +#end | +# +#create trigger t4t before update on t4 for each row begin +# UPDATE t5 SET b = b + 1 where a = NEW.a; +#end | +#delimiter ;| +#commit; +#set autocommit = 0; +#update t1 set b = b + 5 where a = 1; +#update t2 set b = b + 5 where a = 1; +#update t3 set b = b + 5 where a = 1; +#update t4 set b = b + 5 where a = 1; +#insert into t5(a) values(20); +#connection b; +#set autocommit = 0; +#insert into t1(a) values(7); +#insert into t2(a) values(8); +#delete from t2 where a = 3; +#update t4 set b = b + 1 where a = 3; +#commit; +#drop trigger t1t; +#drop trigger t2t; +#drop trigger t3t; +#drop trigger t4t; +#drop table t1, t2, t3, t4, t5; +#connection default; +#disconnect a; +#disconnect b; +## end disabled_mdl # # Test that cascading updates leading to duplicate keys give the correct diff --git a/mysql-test/t/disabled.def b/mysql-test/t/disabled.def index 3b34ef368e1..ac1f62a508c 100644 --- a/mysql-test/t/disabled.def +++ b/mysql-test/t/disabled.def @@ -12,6 +12,4 @@ kill : Bug#37780 2008-12-03 HHunger need some changes to be robust enough for pushbuild. query_cache_28249 : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically sp_sync : Bug#48157 2010-02-06 5.5-m3 demands a differnt solution -innodb-autoinc : Bug#49267 2009-12-02 test fails on windows because of different case mode -innodb : Bug#49396 2009-12-03 test fails in embedded mode plugin_load : Bug#42144 2009-12-21 alik plugin_load fails From 15a5839c259f65b2d26ccc72a3573a97d56a32d4 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 19 Apr 2010 14:10:43 +0300 Subject: [PATCH 230/400] Update innodb.result which I forgot to do in the previous revision. --- mysql-test/suite/innodb/r/innodb.result | 104 +++++------------------- 1 file changed, 20 insertions(+), 84 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result index e435c0f68ca..c167db2d744 100644 --- a/mysql-test/suite/innodb/r/innodb.result +++ b/mysql-test/suite/innodb/r/innodb.result @@ -169,10 +169,10 @@ Table Op Msg_type Msg_text test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 id A # NULL NULL BTREE -t1 1 parent_id 1 parent_id A # NULL NULL BTREE -t1 1 level 1 level A # NULL NULL BTREE +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment +t1 0 PRIMARY 1 id A # NULL NULL BTREE +t1 1 parent_id 1 parent_id A # NULL NULL BTREE +t1 1 level 1 level A # NULL NULL BTREE drop table t1; CREATE TABLE t1 ( gesuchnr int(11) DEFAULT '0' NOT NULL, @@ -213,8 +213,8 @@ analyze table t1; Table Op Msg_type Msg_text test.t1 analyze status OK show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 1 skr 1 a A # NULL NULL YES BTREE +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment +t1 1 skr 1 a A # NULL NULL YES BTREE drop table t1; create table t1 (a int,b varchar(20),key(a)) engine=innodb; insert into t1 values (1,""), (2,"testing"); @@ -401,13 +401,13 @@ drop table t1; CREATE TABLE t1 (a int not null, b int not null,c int not null, key(a),primary key(a,b), unique(c),key(a),unique(b)); show index from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE -t1 0 PRIMARY 2 b A # NULL NULL BTREE -t1 0 c 1 c A # NULL NULL BTREE -t1 0 b 1 b A # NULL NULL BTREE -t1 1 a 1 a A # NULL NULL BTREE -t1 1 a_2 1 a A # NULL NULL BTREE +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE +t1 0 PRIMARY 2 b A # NULL NULL BTREE +t1 0 c 1 c A # NULL NULL BTREE +t1 0 b 1 b A # NULL NULL BTREE +t1 1 a 1 a A # NULL NULL BTREE +t1 1 a_2 1 a A # NULL NULL BTREE drop table t1; create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)); alter table t1 engine=innodb; @@ -748,8 +748,8 @@ Table Op Msg_type Msg_text test.t1 optimize note Table does not support optimize, doing recreate + analyze instead test.t1 optimize status OK show keys from t1; -Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment -t1 0 PRIMARY 1 a A # NULL NULL BTREE +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE drop table t1; create table t1 (i int, j int ) ENGINE=innodb; insert into t1 values (1,2); @@ -1648,12 +1648,6 @@ ERROR 42S21: Duplicate column name 'c1' alter table t1 add key (c1,c1,c2); ERROR 42S21: Duplicate column name 'c1' drop table t1; -create table t1(a int(1) , b int(1)) engine=innodb; -insert into t1 values ('1111', '3333'); -select distinct concat(a, b) from t1; -concat(a, b) -11113333 -drop table t1; CREATE TABLE t1 ( a char(10) ) ENGINE=InnoDB; SELECT a FROM t1 WHERE MATCH (a) AGAINST ('test' IN BOOLEAN MODE); ERROR HY000: The used table type doesn't support FULLTEXT indexes @@ -1743,7 +1737,7 @@ count(*) drop table t1; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; variable_value -8191 +512 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; variable_value 16384 @@ -1752,7 +1746,7 @@ variable_value - @innodb_rows_deleted_orig 71 SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; variable_value - @innodb_rows_inserted_orig -1087 +1086 SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; variable_value - @innodb_rows_updated_orig 885 @@ -1793,7 +1787,7 @@ Variable_name Value innodb_thread_concurrency 0 set global innodb_thread_concurrency=1001; Warnings: -Warning 1292 Truncated incorrect thread_concurrency value: '1001' +Warning 1292 Truncated incorrect innodb_thread_concurrency value: '1001' show variables like "innodb_thread_concurrency"; Variable_name Value innodb_thread_concurrency 1000 @@ -1814,7 +1808,7 @@ Variable_name Value innodb_concurrency_tickets 1000 set global innodb_concurrency_tickets=0; Warnings: -Warning 1292 Truncated incorrect concurrency_tickets value: '0' +Warning 1292 Truncated incorrect innodb_concurrency_tickets value: '0' show variables like "innodb_concurrency_tickets"; Variable_name Value innodb_concurrency_tickets 1 @@ -2730,7 +2724,7 @@ create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; insert into t1 values (0x41),(0x4120),(0x4100); insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' +ERROR 23000: Duplicate entry 'A\x00' for key 'PRIMARY' insert into t2 values (0x41),(0x4120); insert into t3 values (0x41),(0x4120),(0x4100); ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' @@ -2839,64 +2833,6 @@ t2 CREATE TABLE `t2` ( KEY `t2_ibfk_0` (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP TABLE t2,t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -commit; -set autocommit = 0; -update t1 set b = 5 where a = 2; -create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | -set autocommit = 0; -insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), -(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), -(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), -(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), -(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); -commit; -commit; -drop trigger t1t; -drop table t1; -create table t1(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t2(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t3(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t4(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -create table t5(a int not null, b int, c int, d int, primary key(a)) engine=innodb; -insert into t1(a) values (1),(2),(3); -insert into t2(a) values (1),(2),(3); -insert into t3(a) values (1),(2),(3); -insert into t4(a) values (1),(2),(3); -insert into t3(a) values (5),(7),(8); -insert into t4(a) values (5),(7),(8); -insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); -create trigger t1t before insert on t1 for each row begin -INSERT INTO t2 SET a = NEW.a; -end | -create trigger t2t before insert on t2 for each row begin -DELETE FROM t3 WHERE a = NEW.a; -end | -create trigger t3t before delete on t3 for each row begin -UPDATE t4 SET b = b + 1 WHERE a = OLD.a; -end | -create trigger t4t before update on t4 for each row begin -UPDATE t5 SET b = b + 1 where a = NEW.a; -end | -commit; -set autocommit = 0; -update t1 set b = b + 5 where a = 1; -update t2 set b = b + 5 where a = 1; -update t3 set b = b + 5 where a = 1; -update t4 set b = b + 5 where a = 1; -insert into t5(a) values(20); -set autocommit = 0; -insert into t1(a) values(7); -insert into t2(a) values(8); -delete from t2 where a = 3; -update t4 set b = b + 1 where a = 3; -commit; -drop trigger t1t; -drop trigger t2t; -drop trigger t3t; -drop trigger t4t; -drop table t1, t2, t3, t4, t5; CREATE TABLE t1 ( field1 varchar(8) NOT NULL DEFAULT '', field2 varchar(8) NOT NULL DEFAULT '', From 210510f4725c9edbbbc5ce830a3a4aee660d15f4 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 19 Apr 2010 14:27:41 +0300 Subject: [PATCH 231/400] Fix typo in comment. --- mysql-test/suite/innodb/t/innodb_bug38231.test | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/innodb/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test index 1611cb56203..5666bc0e765 100644 --- a/mysql-test/suite/innodb/t/innodb_bug38231.test +++ b/mysql-test/suite/innodb/t/innodb_bug38231.test @@ -32,7 +32,7 @@ LOCK TABLE bug38231 WRITE; # connection that has been released, otherwise it will wait forever. We assume # that the released connection will be the first one that has gained the LOCK, # thus we force the order here - con2 does LOCK first, then con3. In other -# words we wait for LOCK from con2 above to be exected before doing LOCK in +# words we wait for LOCK from con2 above to be executed before doing LOCK in # con3. -- connection con1 let $wait_condition = From c18084f71b02ea707c6461353e6cfc15d7553bc6 Mon Sep 17 00:00:00 2001 From: irana <> Date: Mon, 19 Apr 2010 15:44:15 +0000 Subject: [PATCH 232/400] branches/innodb+ Merge r6915:6992 from branches/innodb+multipbp (i.e.: all the changes made since it's creation) This also reverts r6930 to branches/innodb+ because a different solution for that issue is already present in innodb+multibp which is being merged. After this commit branches/innodb+multibp should be discarded and this branch should become our main development tree. ------------------------------------------------------------------------ r6915 | sbains | 2010-03-31 07:33:43 +0300 (Wed, 31 Mar 2010) | 1 line Changed paths: A /branches/innodb+multibp (from /branches/innodb+:6914) Creating a branch for the multiple buffer pool ------------------------------------------------------------------------ r6916 | sbains | 2010-03-31 08:21:00 +0300 (Wed, 31 Mar 2010) | 3 lines Changed paths: M /branches/innodb+multibp/CMakeLists.txt M /branches/innodb+multibp/btr/btr0btr.c M /branches/innodb+multibp/btr/btr0cur.c M /branches/innodb+multibp/btr/btr0sea.c M /branches/innodb+multibp/buf/buf0buddy.c M /branches/innodb+multibp/buf/buf0buf.c M /branches/innodb+multibp/buf/buf0flu.c M /branches/innodb+multibp/buf/buf0lru.c M /branches/innodb+multibp/buf/buf0rea.c M /branches/innodb+multibp/handler/ha_innodb.cc M /branches/innodb+multibp/handler/i_s.cc M /branches/innodb+multibp/ibuf/ibuf0ibuf.c M /branches/innodb+multibp/include/buf0buddy.h M /branches/innodb+multibp/include/buf0buddy.ic M /branches/innodb+multibp/include/buf0buf.h M /branches/innodb+multibp/include/buf0buf.ic M /branches/innodb+multibp/include/buf0flu.h M /branches/innodb+multibp/include/buf0flu.ic M /branches/innodb+multibp/include/buf0lru.h M /branches/innodb+multibp/include/buf0rea.h M /branches/innodb+multibp/include/buf0types.h M /branches/innodb+multibp/include/ibuf0ibuf.ic M /branches/innodb+multibp/include/srv0srv.h M /branches/innodb+multibp/include/univ.i M /branches/innodb+multibp/log/log0log.c M /branches/innodb+multibp/log/log0recv.c M /branches/innodb+multibp/mem/mem0mem.c M /branches/innodb+multibp/page/page0zip.c M /branches/innodb+multibp/srv/srv0srv.c M /branches/innodb+multibp/srv/srv0start.c M /branches/innodb+multibp/trx/trx0trx.c M /branches/innodb+multibp/trx/trx0undo.c branches/innodb+multibp: Unable to crash it with UNIV_DEBUG and UNIV_SYNC_DEBUG with both ibtests and Sysbench. The patch now needs a workout from Michael. ------------------------------------------------------------------------ r6917 | sbains | 2010-03-31 08:56:18 +0300 (Wed, 31 Mar 2010) | 2 lines Changed paths: M /branches/innodb+multibp/handler/ha_innodb.cc branches/innodb+multibp: Fix error introduced in r6916. ------------------------------------------------------------------------ r6923 | sbains | 2010-03-31 15:16:04 +0300 (Wed, 31 Mar 2010) | 3 lines Changed paths: M /branches/innodb+multibp/btr/btr0cur.c M /branches/innodb+multibp/buf/buf0buddy.c M /branches/innodb+multibp/buf/buf0buf.c M /branches/innodb+multibp/buf/buf0flu.c M /branches/innodb+multibp/buf/buf0lru.c M /branches/innodb+multibp/include/buf0buddy.ic M /branches/innodb+multibp/include/buf0buf.h M /branches/innodb+multibp/include/buf0buf.ic M /branches/innodb+multibp/include/buf0flu.ic M /branches/innodb+multibp/page/page0zip.c branches/innodb+multibp: Fix whitespace issues. Add function buf_pool_from_block(). Add some comments to parameters. ------------------------------------------------------------------------ r6932 | sbains | 2010-04-01 01:12:07 +0300 (Thu, 01 Apr 2010) | 4 lines Changed paths: M /branches/innodb+multibp/include/buf0buf.ic M /branches/innodb+multibp/include/univ.i branches/innodb+multibp: Remove bogus assertion. It's possible for the space and offset of a page to be undefined during the lifecycle of a page. Remove the debug #defines from univ.i. ------------------------------------------------------------------------ r6933 | sbains | 2010-04-01 01:22:40 +0300 (Thu, 01 Apr 2010) | 2 lines Changed paths: M /branches/innodb+multibp/srv/srv0start.c branches/innodb+multibp: Fix whitespace issues. ------------------------------------------------------------------------ r6934 | sbains | 2010-04-01 01:53:18 +0300 (Thu, 01 Apr 2010) | 2 lines Changed paths: M /branches/innodb+multibp/CMakeLists.txt M /branches/innodb+multibp/ChangeLog M /branches/innodb+multibp/buf/buf0buf.c M /branches/innodb+multibp/buf/buf0flu.c M /branches/innodb+multibp/handler/ha_innodb.cc M /branches/innodb+multibp/include/buf0buf.h M /branches/innodb+multibp/include/buf0buf.ic M /branches/innodb+multibp/include/buf0flu.ic M /branches/innodb+multibp/include/srv0srv.h M /branches/innodb+multibp/include/sync0sync.h M /branches/innodb+multibp/include/trx0purge.h M /branches/innodb+multibp/include/ut0ut.h M /branches/innodb+multibp/include/ut0ut.ic M /branches/innodb+multibp/lock/lock0lock.c M /branches/innodb+multibp/log/log0recv.c M /branches/innodb+multibp/mtr/mtr0mtr.c M /branches/innodb+multibp/mysql-test/innodb_bug38231.test A /branches/innodb+multibp/mysql-test/innodb_bug51920.result (from /branches/innodb+/mysql-test/innodb_bug51920.result:6931) A /branches/innodb+multibp/mysql-test/innodb_bug51920.test (from /branches/innodb+/mysql-test/innodb_bug51920.test:6931) M /branches/innodb+multibp/row/row0sel.c M /branches/innodb+multibp/srv/srv0srv.c M /branches/innodb+multibp/srv/srv0start.c M /branches/innodb+multibp/sync/sync0sync.c M /branches/innodb+multibp/trx/trx0purge.c branches/innodb+multibp: Merge revisions r6914:6931 from branches/innodb+ ------------------------------------------------------------------------ r6935 | sbains | 2010-04-01 02:08:32 +0300 (Thu, 01 Apr 2010) | 3 lines Changed paths: M /branches/innodb+multibp/buf/buf0flu.c M /branches/innodb+multibp/include/buf0flu.ic M /branches/innodb+multibp/mtr/mtr0mtr.c branches/innodb+multibp: Fix the debug assertions for flush order mutex. These were missed in r6934. ------------------------------------------------------------------------ r6936 | sbains | 2010-04-01 02:46:52 +0300 (Thu, 01 Apr 2010) | 4 lines Changed paths: M /branches/innodb+multibp/sync/sync0sync.c branches/innodb+multibp: Because now we have multiple instances of a mutex at the same level and these mutexes can be acquired simultaneously we can't simply check for <= level. We need to check for <= level - 1. ------------------------------------------------------------------------ r6937 | sbains | 2010-04-01 04:40:17 +0300 (Thu, 01 Apr 2010) | 5 lines Changed paths: M /branches/innodb+multibp/trx/trx0purge.c branches/innodb+multibp: We need to check if the history list len is > than some threshold not that it is evenly divisible by the some batch size. While running tests on dscczz01 I've observed that the purge thread can't keep up with the generation of the UNDO log records because of the faster code. ------------------------------------------------------------------------ r6938 | irana | 2010-04-01 10:15:00 +0300 (Thu, 01 Apr 2010) | 7 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c M /branches/innodb+multibp/buf/buf0flu.c M /branches/innodb+multibp/include/buf0buf.h M /branches/innodb+multibp/include/buf0buf.ic M /branches/innodb+multibp/include/buf0flu.h M /branches/innodb+multibp/include/buf0flu.ic M /branches/innodb+multibp/include/log0log.h M /branches/innodb+multibp/include/sync0sync.h M /branches/innodb+multibp/log/log0log.c M /branches/innodb+multibp/log/log0recv.c M /branches/innodb+multibp/mtr/mtr0mtr.c M /branches/innodb+multibp/sync/sync0sync.c branches/innodb+multibp The buf_flush_order patch that was ported in from 1.1 won't work with multiple buffer pools. This patch moves the mutex protecting order of insertion in the flush list(s) to log_sys struct so that we can have one global mutex protecting insertions into all flush list(s) ------------------------------------------------------------------------ r6941 | sbains | 2010-04-02 00:51:28 +0300 (Fri, 02 Apr 2010) | 4 lines Changed paths: M /branches/innodb+multibp/lock/lock0lock.c branches/innodb+multibp: We should get the record heap no to check recursively only if we are checking a record lock. Prior to this fix we were doing it for table locks as well, this is a bug. ------------------------------------------------------------------------ r6942 | csun | 2010-04-02 02:39:10 +0300 (Fri, 02 Apr 2010) | 4 lines Changed paths: M /branches/innodb+multibp/ha/ha0ha.c branches/innodb+multibp: fix compiler errors on Windows. Move ut_ad() to after declarations for C file. ------------------------------------------------------------------------ r6943 | sbains | 2010-04-03 05:14:25 +0300 (Sat, 03 Apr 2010) | 2 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c branches/innodb+multibp: Remove the code that created the fake buffer pool. ------------------------------------------------------------------------ r6945 | irana | 2010-04-05 23:35:29 +0300 (Mon, 05 Apr 2010) | 5 lines Changed paths: M /branches/innodb+multibp/lock/lock0lock.c branches/innodb+multibp Revert r6941 as it does not resolve the issue and we have to take back the whole fix for bug#49047 ------------------------------------------------------------------------ r6946 | irana | 2010-04-05 23:50:42 +0300 (Mon, 05 Apr 2010) | 6 lines Changed paths: M /branches/innodb+multibp/include/ut0ut.h M /branches/innodb+multibp/include/ut0ut.ic M /branches/innodb+multibp/lock/lock0lock.c branches/innodb+multibp Merged revisions 6932:6944 from branches/innodb+ This solely includes the reversal of fix for bug#49047 ------------------------------------------------------------------------ r6947 | sbains | 2010-04-06 01:33:46 +0300 (Tue, 06 Apr 2010) | 3 lines Changed paths: M /branches/innodb+multibp/buf/buf0lru.c branches/innodb+multibp: Remove the log sys mutex acquisition when doing buffer pool stat aggregation. A dirty read here should suffice. ------------------------------------------------------------------------ r6951 | irana | 2010-04-06 17:25:29 +0300 (Tue, 06 Apr 2010) | 5 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c branches/innodb+mbp Initialize the buf_page_t::buf_pool pointer when the descriptor is allocated using buf_buddy_alloc(). ------------------------------------------------------------------------ r6954 | jyang | 2010-04-06 21:24:46 +0300 (Tue, 06 Apr 2010) | 4 lines Changed paths: M /branches/innodb+multibp/handler/ha_innodb.cc branches/innodb+multibp: Fix a possible null pointer of index_mapping in a race condition. ------------------------------------------------------------------------ r6958 | sbains | 2010-04-07 00:27:44 +0300 (Wed, 07 Apr 2010) | 3 lines Changed paths: M /branches/innodb+multibp/include/ut0mem.h M /branches/innodb+multibp/ut/ut0mem.c branches/innodb+multibp: Fix part of Bug#52546. We allow ut_free() to accept a NULL pointer and treat it as a nop. ------------------------------------------------------------------------ r6961 | jyang | 2010-04-07 10:50:03 +0300 (Wed, 07 Apr 2010) | 9 lines Changed paths: M /branches/innodb+multibp/handler/ha_innodb.cc branches/innodb+multibp: Fix for bug #52580: Crash in ha_innobase::open on executing INSERT with concurrent ALTER TABLE. Change in MySQL bug #51557 releases the mutex LOCK_open before ha_innobase::open(), causing racing condition for index translation table creation. Fix it by adding dict_sys mutex for the operation. rb://283, approved by Marko. ------------------------------------------------------------------------ r6963 | irana | 2010-04-07 19:14:10 +0300 (Wed, 07 Apr 2010) | 15 lines Changed paths: M /branches/innodb+multibp/handler/ha_innodb.cc branches/innodb+multibp Force setting of buf_pool->LRU_old_ratio by calling buf_LRU_old_ratio_update() with adjust set to TRUE. This will make sure that we grab the buf_pool mutex and actually adjust the buf_pool->LRU_old pointer instead of just updating the buf_pool->LRU_old_ratio. Note that after this change there is no call to buf_LRU_old_ratio_update() with adjust set to FALSE and therefore this parameter should be removed. I am keeping it for now to first make sure that the fix does work. Approved by: No one. Sunny agreed with my hypothesis of the problem. ------------------------------------------------------------------------ r6964 | irana | 2010-04-07 19:59:59 +0300 (Wed, 07 Apr 2010) | 5 lines Changed paths: M /branches/innodb+multibp/handler/ha_innodb.cc branches/innodb+multibp Remove a too strong assertion on behalf of Jimmy. ------------------------------------------------------------------------ r6971 | sbains | 2010-04-09 13:23:33 +0300 (Fri, 09 Apr 2010) | 6 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c branches/innodb+multibp: When getting the oldest (minimum) LSN value from all the flush lists we need to acquire the flush list mutex. We were incorrectly acquiring the buffer pool mutex. This patch should fix a slew of bugs reported by Michael. ------------------------------------------------------------------------ r6972 | sbains | 2010-04-10 00:25:09 +0300 (Sat, 10 Apr 2010) | 5 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c branches/innodb+multibp: We should not reset the lsn to 0 when we encounter an empty flush list. Oldest LSN should be 0 only when all flush lists are empty. e.g., without this fix if even one flush list was empty we would end up breaking WAL. ------------------------------------------------------------------------ r6987 | sbains | 2010-04-14 00:14:13 +0300 (Wed, 14 Apr 2010) | 12 lines Changed paths: M /branches/innodb+multibp/buf/buf0buf.c branches/innodb+multibp: When calculating the oldest_lsn we can have a situation where we've iterated to say buffer pool 3 and another thread adds two new dirty pages, the first to buffer pool 1 and the second to buffer pool 4. Up to say buffer pool 3 the oldest_lsn was 0. Now, we will end up returning the lsn at buffer pool 4 as the oldest LSN. We prevent this by acquiring the flush order mutex. One other future option is to calculate the min_lsn when flushing pages from the list and maintaining a running total using atomics. That way we can get rid of this function altogether. The atomics will only really be required when we do parallel flushing. ------------------------------------------------------------------------ r6992 | sbains | 2010-04-14 02:45:59 +0300 (Wed, 14 Apr 2010) | 2 lines Changed paths: M /branches/innodb+multibp/include/ut0rbt.h M /branches/innodb+multibp/ut/ut0rbt.c branches/innodb+multibp: Fix copyright of the rbt code. ------------------------------------------------------------------------ --- btr/btr0btr.c | 3 +- btr/btr0cur.c | 9 +- btr/btr0sea.c | 21 +- buf/buf0buddy.c | 170 ++--- buf/buf0buf.c | 1539 +++++++++++++++++++++++++++++------------- buf/buf0flu.c | 607 ++++++++++++----- buf/buf0lru.c | 546 ++++++++++----- buf/buf0rea.c | 55 +- ha/ha0ha.c | 4 +- handler/ha_innodb.cc | 28 +- handler/i_s.cc | 63 +- ibuf/ibuf0ibuf.c | 11 +- include/buf0buddy.h | 29 +- include/buf0buddy.ic | 54 +- include/buf0buf.h | 276 +++++--- include/buf0buf.ic | 269 +++++--- include/buf0flu.h | 58 +- include/buf0flu.ic | 32 +- include/buf0lru.h | 48 +- include/buf0rea.h | 4 +- include/buf0types.h | 2 + include/ibuf0ibuf.ic | 2 +- include/log0log.h | 22 + include/srv0srv.h | 1 + include/sync0sync.h | 4 +- include/ut0mem.h | 5 +- include/ut0rbt.h | 77 ++- log/log0log.c | 15 +- log/log0recv.c | 31 +- mem/mem0mem.c | 2 +- mtr/mtr0mtr.c | 18 +- page/page0zip.c | 3 +- srv/srv0srv.c | 101 +-- srv/srv0start.c | 12 +- sync/sync0sync.c | 16 +- trx/trx0trx.c | 1 - trx/trx0undo.c | 3 +- ut/ut0mem.c | 9 +- ut/ut0rbt.c | 101 +-- 39 files changed, 2835 insertions(+), 1416 deletions(-) diff --git a/btr/btr0btr.c b/btr/btr0btr.c index 8589d415131..6cc9b48936a 100644 --- a/btr/btr0btr.c +++ b/btr/btr0btr.c @@ -952,6 +952,7 @@ btr_page_reorganize_low( dict_index_t* index, /*!< in: record descriptor */ mtr_t* mtr) /*!< in: mtr */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(&block->page); page_t* page = buf_block_get_frame(block); page_zip_des_t* page_zip = buf_block_get_page_zip(block); buf_block_t* temp_block; @@ -982,7 +983,7 @@ btr_page_reorganize_low( log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); #ifndef UNIV_HOTBACKUP - temp_block = buf_block_alloc(0); + temp_block = buf_block_alloc(buf_pool, 0); #else /* !UNIV_HOTBACKUP */ ut_ad(block == back_block1); temp_block = back_block2; diff --git a/btr/btr0cur.c b/btr/btr0cur.c index 3ca2b02bb4b..57d6973f623 100644 --- a/btr/btr0cur.c +++ b/btr/btr0cur.c @@ -3882,14 +3882,15 @@ btr_blob_free( if there is one */ mtr_t* mtr) /*!< in: mini-transaction to commit */ { - ulint space = buf_block_get_space(block); - ulint page_no = buf_block_get_page_no(block); + buf_pool_t* buf_pool = buf_pool_from_block(block); + ulint space = buf_block_get_space(block); + ulint page_no = buf_block_get_page_no(block); ut_ad(mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX)); mtr_commit(mtr); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); mutex_enter(&block->mutex); /* Only free the block if it is still allocated to @@ -3910,7 +3911,7 @@ btr_blob_free( } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); mutex_exit(&block->mutex); } diff --git a/btr/btr0sea.c b/btr/btr0sea.c index 7f8a9af1dd8..3f130405810 100644 --- a/btr/btr0sea.c +++ b/btr/btr0sea.c @@ -150,7 +150,7 @@ btr_search_check_free_space_in_heap(void) be enough free space in the hash table. */ if (heap->free_block == NULL) { - buf_block_t* block = buf_block_alloc(0); + buf_block_t* block = buf_block_alloc(NULL, 0); rw_lock_x_lock(&btr_search_latch); @@ -825,6 +825,7 @@ btr_search_guess_on_hash( RW_S_LATCH, RW_X_LATCH, or 0 */ mtr_t* mtr) /*!< in: mtr */ { + buf_pool_t* buf_pool; buf_block_t* block; rec_t* rec; ulint fold; @@ -983,7 +984,7 @@ btr_search_guess_on_hash( /* Increment the page get statistics though we did not really fix the page: for user info only */ - + buf_pool = buf_pool_from_bpage(&block->page); buf_pool->stat.n_page_gets++; return(TRUE); @@ -1760,7 +1761,7 @@ btr_search_validate(void) rec_offs_init(offsets_); rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); + buf_pool_mutex_enter_all(); cell_count = hash_get_n_cells(btr_search_sys->hash_index); @@ -1768,11 +1769,11 @@ btr_search_validate(void) /* We release btr_search_latch every once in a while to give other queries a chance to run. */ if ((i != 0) && ((i % chunk_size) == 0)) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit_all(); rw_lock_x_unlock(&btr_search_latch); os_thread_yield(); rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); + buf_pool_mutex_enter_all(); } node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node; @@ -1781,6 +1782,9 @@ btr_search_validate(void) const buf_block_t* block = buf_block_align(node->data); const buf_block_t* hash_block; + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_bpage((buf_page_t*) block); if (UNIV_LIKELY(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE)) { @@ -1791,6 +1795,7 @@ btr_search_validate(void) (BUF_BLOCK_REMOVE_HASH, see the assertion and the comment below) */ hash_block = buf_block_hash_get( + buf_pool, buf_block_get_space(block), buf_block_get_page_no(block)); } else { @@ -1879,11 +1884,11 @@ btr_search_validate(void) /* We release btr_search_latch every once in a while to give other queries a chance to run. */ if (i != 0) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit_all(); rw_lock_x_unlock(&btr_search_latch); os_thread_yield(); rw_lock_x_lock(&btr_search_latch); - buf_pool_mutex_enter(); + buf_pool_mutex_enter_all(); } if (!ha_validate(btr_search_sys->hash_index, i, end_index)) { @@ -1891,7 +1896,7 @@ btr_search_validate(void) } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit_all(); rw_lock_x_unlock(&btr_search_latch); if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); diff --git a/buf/buf0buddy.c b/buf/buf0buddy.c index 7118cb376ab..695aed2d0cb 100644 --- a/buf/buf0buddy.c +++ b/buf/buf0buddy.c @@ -34,17 +34,6 @@ Created December 2006 by Marko Makela #include "buf0flu.h" #include "page0zip.h" -/* Statistic counters */ - -#ifdef UNIV_DEBUG -/** Number of frames allocated from the buffer pool to the buddy system. -Protected by buf_pool_mutex. */ -static ulint buf_buddy_n_frames; -#endif /* UNIV_DEBUG */ -/** Statistics of the buddy system, indexed by block size. -Protected by buf_pool_mutex. */ -UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; - /**********************************************************************//** Get the offset of the buddy of a compressed page frame. @return the buddy relative of page */ @@ -73,8 +62,10 @@ UNIV_INLINE void buf_buddy_add_to_free( /*==================*/ - buf_page_t* bpage, /*!< in,own: block to be freed */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + buf_page_t* bpage, /*!< in,own: block to be freed */ + ulint i) /*!< in: index of + buf_pool->zip_free[] */ { #ifdef UNIV_DEBUG_VALGRIND buf_page_t* b = UT_LIST_GET_FIRST(buf_pool->zip_free[i]); @@ -82,7 +73,7 @@ buf_buddy_add_to_free( if (b) UNIV_MEM_VALID(b, BUF_BUDDY_LOW << i); #endif /* UNIV_DEBUG_VALGRIND */ - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); ut_ad(buf_pool->zip_free[i].start != bpage); UT_LIST_ADD_FIRST(list, buf_pool->zip_free[i], bpage); @@ -99,8 +90,10 @@ UNIV_INLINE void buf_buddy_remove_from_free( /*=======================*/ - buf_page_t* bpage, /*!< in: block to be removed */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + buf_page_t* bpage, /*!< in: block to be removed */ + ulint i) /*!< in: index of + buf_pool->zip_free[] */ { #ifdef UNIV_DEBUG_VALGRIND buf_page_t* prev = UT_LIST_GET_PREV(list, bpage); @@ -113,7 +106,7 @@ buf_buddy_remove_from_free( ut_ad(!next || buf_page_get_state(next) == BUF_BLOCK_ZIP_FREE); #endif /* UNIV_DEBUG_VALGRIND */ - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); UT_LIST_REMOVE(list, buf_pool->zip_free[i], bpage); @@ -130,11 +123,12 @@ static void* buf_buddy_alloc_zip( /*================*/ - ulint i) /*!< in: index of buf_pool->zip_free[] */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint i) /*!< in: index of buf_pool->zip_free[] */ { buf_page_t* bpage; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(i < BUF_BUDDY_SIZES); #ifndef UNIV_DEBUG_VALGRIND @@ -149,19 +143,19 @@ buf_buddy_alloc_zip( UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); ut_a(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_FREE); - buf_buddy_remove_from_free(bpage, i); + buf_buddy_remove_from_free(buf_pool, bpage, i); } else if (i + 1 < BUF_BUDDY_SIZES) { /* Attempt to split. */ - bpage = buf_buddy_alloc_zip(i + 1); + bpage = buf_buddy_alloc_zip(buf_pool, i + 1); if (bpage) { buf_page_t* buddy = (buf_page_t*) (((char*) bpage) + (BUF_BUDDY_LOW << i)); - ut_ad(!buf_pool_contains_zip(buddy)); + ut_ad(!buf_pool_contains_zip(buf_pool, buddy)); ut_d(memset(buddy, i, BUF_BUDDY_LOW << i)); buddy->state = BUF_BLOCK_ZIP_FREE; - buf_buddy_add_to_free(buddy, i); + buf_buddy_add_to_free(buf_pool, buddy, i); } } @@ -182,14 +176,15 @@ static void buf_buddy_block_free( /*=================*/ - void* buf) /*!< in: buffer frame to deallocate */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* buf) /*!< in: buffer frame to deallocate */ { const ulint fold = BUF_POOL_ZIP_FOLD_PTR(buf); buf_page_t* bpage; buf_block_t* block; - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(!mutex_own(&buf_pool->zip_mutex)); ut_a(!ut_align_offset(buf, UNIV_PAGE_SIZE)); HASH_SEARCH(hash, buf_pool->zip_hash, fold, buf_page_t*, bpage, @@ -211,8 +206,8 @@ buf_buddy_block_free( buf_LRU_block_free_non_file_page(block); mutex_exit(&block->mutex); - ut_ad(buf_buddy_n_frames > 0); - ut_d(buf_buddy_n_frames--); + ut_ad(buf_pool->buddy_n_frames > 0); + ut_d(buf_pool->buddy_n_frames--); } /**********************************************************************//** @@ -223,9 +218,10 @@ buf_buddy_block_register( /*=====================*/ buf_block_t* block) /*!< in: buffer frame to allocate */ { + buf_pool_t* buf_pool = buf_pool_from_block(block); const ulint fold = BUF_POOL_ZIP_FOLD(block); - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(!mutex_own(&buf_pool->zip_mutex)); ut_ad(buf_block_get_state(block) == BUF_BLOCK_READY_FOR_USE); buf_block_set_state(block, BUF_BLOCK_MEMORY); @@ -238,7 +234,7 @@ buf_buddy_block_register( ut_d(block->page.in_zip_hash = TRUE); HASH_INSERT(buf_page_t, hash, buf_pool->zip_hash, fold, &block->page); - ut_d(buf_buddy_n_frames++); + ut_d(buf_pool->buddy_n_frames++); } /**********************************************************************//** @@ -248,10 +244,12 @@ static void* buf_buddy_alloc_from( /*=================*/ - void* buf, /*!< in: a block that is free to use */ - ulint i, /*!< in: index of buf_pool->zip_free[] */ - ulint j) /*!< in: size of buf as an index - of buf_pool->zip_free[] */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* buf, /*!< in: a block that is free to use */ + ulint i, /*!< in: index of + buf_pool->zip_free[] */ + ulint j) /*!< in: size of buf as an index + of buf_pool->zip_free[] */ { ulint offs = BUF_BUDDY_LOW << j; ut_ad(j <= BUF_BUDDY_SIZES); @@ -275,7 +273,7 @@ buf_buddy_alloc_from( ut_list_node_313) == BUF_BLOCK_ZIP_FREE))); #endif /* !UNIV_DEBUG_VALGRIND */ - buf_buddy_add_to_free(bpage, j); + buf_buddy_add_to_free(buf_pool, bpage, j); } return(buf); @@ -283,37 +281,39 @@ buf_buddy_alloc_from( /**********************************************************************//** Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. +buf_pool->mutex and must not hold buf_pool_zip_mutex or any block->mutex. +The buf_pool->mutex may only be released and reacquired if lru != NULL. @return allocated block, possibly NULL if lru==NULL */ UNIV_INTERN void* buf_buddy_alloc_low( /*================*/ - ulint i, /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint i, /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ + ibool* lru) /*!< in: pointer to a variable that + will be assigned TRUE if storage was + allocated from the LRU list and + buf_pool->mutex was temporarily + released, or NULL if the LRU list + should not be used */ { buf_block_t* block; - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(!mutex_own(&buf_pool->zip_mutex)); if (i < BUF_BUDDY_SIZES) { /* Try to allocate from the buddy system. */ - block = buf_buddy_alloc_zip(i); + block = buf_buddy_alloc_zip(buf_pool, i); if (block) { - goto func_exit; } } /* Try allocating from the buf_pool->free list. */ - block = buf_LRU_get_free_only(); + block = buf_LRU_get_free_only(buf_pool); if (block) { @@ -326,18 +326,19 @@ buf_buddy_alloc_low( } /* Try replacing an uncompressed page in the buffer pool. */ - buf_pool_mutex_exit(); - block = buf_LRU_get_free_block(0); + buf_pool_mutex_exit(buf_pool); + block = buf_LRU_get_free_block(buf_pool, 0); *lru = TRUE; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); alloc_big: buf_buddy_block_register(block); - block = buf_buddy_alloc_from(block->frame, i, BUF_BUDDY_SIZES); + block = buf_buddy_alloc_from( + buf_pool, block->frame, i, BUF_BUDDY_SIZES); func_exit: - buf_buddy_stat[i].used++; + buf_pool->buddy_stat[i].used++; return(block); } @@ -352,8 +353,9 @@ buf_buddy_relocate_block( buf_page_t* dpage) /*!< in: free block to relocate to */ { buf_page_t* b; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: @@ -371,10 +373,10 @@ buf_buddy_relocate_block( break; } - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); if (!buf_page_can_relocate(bpage)) { - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); return(FALSE); } @@ -393,7 +395,7 @@ buf_buddy_relocate_block( UNIV_MEM_INVALID(bpage, sizeof *bpage); - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); return(TRUE); } @@ -404,16 +406,18 @@ static ibool buf_buddy_relocate( /*===============*/ - void* src, /*!< in: block to relocate */ - void* dst, /*!< in: free block to relocate to */ - ulint i) /*!< in: index of buf_pool->zip_free[] */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* src, /*!< in: block to relocate */ + void* dst, /*!< in: free block to relocate to */ + ulint i) /*!< in: index of + buf_pool->zip_free[] */ { buf_page_t* bpage; const ulint size = BUF_BUDDY_LOW << i; ullint usec = ut_time_us(NULL); - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(!mutex_own(&buf_pool->zip_mutex)); ut_ad(!ut_align_offset(src, size)); ut_ad(!ut_align_offset(dst, size)); UNIV_MEM_ASSERT_W(dst, size); @@ -443,6 +447,7 @@ buf_buddy_relocate( mach_read_from_4() calls here will only trigger bogus Valgrind memcheck warnings in UNIV_DEBUG_VALGRIND builds. */ bpage = buf_page_hash_get( + buf_pool, mach_read_from_4((const byte*) src + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID), mach_read_from_4((const byte*) src @@ -457,7 +462,7 @@ buf_buddy_relocate( return(FALSE); } - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); if (page_zip_get_size(&bpage->zip) != size) { /* The block is of different size. We would @@ -486,7 +491,7 @@ success: UNIV_MEM_INVALID(src, size); { buf_buddy_stat_t* buddy_stat - = &buf_buddy_stat[i]; + = &buf_pool->buddy_stat[i]; buddy_stat->relocated++; buddy_stat->relocated_usec += ut_time_us(NULL) - usec; @@ -513,32 +518,33 @@ UNIV_INTERN void buf_buddy_free_low( /*===============*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint i) /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint i) /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ { buf_page_t* bpage; buf_page_t* buddy; - ut_ad(buf_pool_mutex_own()); - ut_ad(!mutex_own(&buf_pool_zip_mutex)); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(!mutex_own(&buf_pool->zip_mutex)); ut_ad(i <= BUF_BUDDY_SIZES); - ut_ad(buf_buddy_stat[i].used > 0); + ut_ad(buf_pool->buddy_stat[i].used > 0); - buf_buddy_stat[i].used--; + buf_pool->buddy_stat[i].used--; recombine: UNIV_MEM_ASSERT_AND_ALLOC(buf, BUF_BUDDY_LOW << i); ut_d(((buf_page_t*) buf)->state = BUF_BLOCK_ZIP_FREE); if (i == BUF_BUDDY_SIZES) { - buf_buddy_block_free(buf); + buf_buddy_block_free(buf_pool, buf); return; } ut_ad(i < BUF_BUDDY_SIZES); ut_ad(buf == ut_align_down(buf, BUF_BUDDY_LOW << i)); - ut_ad(!buf_pool_contains_zip(buf)); + ut_ad(!buf_pool_contains_zip(buf_pool, buf)); /* Try to combine adjacent blocks. */ @@ -564,10 +570,10 @@ recombine: if (bpage == buddy) { buddy_free: /* The buddy is free: recombine */ - buf_buddy_remove_from_free(bpage, i); + buf_buddy_remove_from_free(buf_pool, bpage, i); buddy_free2: ut_ad(buf_page_get_state(buddy) == BUF_BLOCK_ZIP_FREE); - ut_ad(!buf_pool_contains_zip(buddy)); + ut_ad(!buf_pool_contains_zip(buf_pool, buddy)); i++; buf = ut_align_down(buf, BUF_BUDDY_LOW << i); @@ -599,16 +605,16 @@ buddy_nonfree: buf_buddy_relocate() will overwrite bpage->list. */ UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); - buf_buddy_remove_from_free(bpage, i); + buf_buddy_remove_from_free(buf_pool, bpage, i); /* Try to relocate the buddy of buf to the free block. */ - if (buf_buddy_relocate(buddy, bpage, i)) { + if (buf_buddy_relocate(buf_pool, buddy, bpage, i)) { ut_d(buddy->state = BUF_BLOCK_ZIP_FREE); goto buddy_free2; } - buf_buddy_add_to_free(bpage, i); + buf_buddy_add_to_free(buf_pool, bpage, i); /* Try to relocate the buddy of the free block to buf. */ buddy = (buf_page_t*) buf_buddy_get(((byte*) bpage), @@ -629,7 +635,7 @@ buddy_nonfree: && ut_list_node_313 != buddy))); #endif /* !UNIV_DEBUG_VALGRIND */ - if (buf_buddy_relocate(buddy, buf, i)) { + if (buf_buddy_relocate(buf_pool, buddy, buf, i)) { buf = bpage; UNIV_MEM_VALID(bpage, BUF_BUDDY_LOW << i); @@ -692,5 +698,5 @@ buddy_nonfree: } #endif /* UNIV_DEBUG */ bpage->state = BUF_BLOCK_ZIP_FREE; - buf_buddy_add_to_free(bpage, i); + buf_buddy_add_to_free(buf_pool, bpage, i); } diff --git a/buf/buf0buf.c b/buf/buf0buf.c index c4b693e3ed2..7a86d12fa69 100644 --- a/buf/buf0buf.c +++ b/buf/buf0buf.c @@ -84,21 +84,21 @@ in the file along with the file page, resides in the control block. The buffer buf_pool contains a single mutex which protects all the control data structures of the buf_pool. The content of a buffer frame is protected by a separate read-write lock in its control block, though. -These locks can be locked and unlocked without owning the buf_pool mutex. +These locks can be locked and unlocked without owning the buf_pool->mutex. The OS events in the buf_pool struct can be waited for without owning the -buf_pool mutex. +buf_pool->mutex. -The buf_pool mutex is a hot-spot in main memory, causing a lot of +The buf_pool->mutex is a hot-spot in main memory, causing a lot of memory bus traffic on multiprocessor systems when processors alternately access the mutex. On our Pentium, the mutex is accessed maybe every 10 microseconds. We gave up the solution to have mutexes for each control block, for instance, because it seemed to be complicated. -A solution to reduce mutex contention of the buf_pool mutex is to +A solution to reduce mutex contention of the buf_pool->mutex is to create a separate mutex for the page hash table. On Pentium, accessing the hash table takes 2 microseconds, about half -of the total buf_pool mutex hold time. +of the total buf_pool->mutex hold time. Control blocks -------------- @@ -247,22 +247,12 @@ static const int WAIT_FOR_READ = 5000; static const ulint BUF_PAGE_READ_MAX_RETRIES = 100; /** The buffer buf_pool of the database */ -UNIV_INTERN buf_pool_t* buf_pool = NULL; - -/** mutex protecting the buffer pool struct and control blocks, except the -read-write lock in them */ -UNIV_INTERN mutex_t buf_pool_mutex; -/** mutex protecting the control blocks of compressed-only pages -(of type buf_page_t, not buf_block_t) */ -UNIV_INTERN mutex_t buf_pool_zip_mutex; +UNIV_INTERN buf_pool_t* buf_pool_ptr[MAX_BUFFER_POOLS]; #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG static ulint buf_dbg_counter = 0; /*!< This is used to insert validation - operations in excution in the + operations in execution in the debug version */ -/** Flag to forbid the release of the buffer pool mutex. -Protected by buf_pool_mutex. */ -UNIV_INTERN ulint buf_pool_mutex_exit_forbidden = 0; #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #ifdef UNIV_DEBUG /** If this is set TRUE, the program prints info whenever @@ -284,7 +274,6 @@ UNIV_INTERN mysql_pfs_key_t buffer_block_mutex_key; UNIV_INTERN mysql_pfs_key_t buf_pool_mutex_key; UNIV_INTERN mysql_pfs_key_t buf_pool_zip_mutex_key; UNIV_INTERN mysql_pfs_key_t flush_list_mutex_key; -UNIV_INTERN mysql_pfs_key_t flush_order_mutex_key; #endif /* UNIV_PFS_MUTEX */ #if defined UNIV_PFS_MUTEX || defined UNIV_PFS_RWLOCK @@ -315,6 +304,140 @@ struct buf_chunk_struct{ }; #endif /* !UNIV_HOTBACKUP */ +/********************************************************************//** +Gets the smallest oldest_modification lsn for any page in the pool. Returns +zero if all modified pages have been flushed to disk. +@return oldest modification in pool, zero if none */ +UNIV_INTERN +ib_uint64_t +buf_pool_get_oldest_modification(void) +/*==================================*/ +{ + ulint i; + buf_page_t* bpage; + ib_uint64_t lsn = 0; + ib_uint64_t oldest_lsn = 0; + + /* When we traverse all the flush lists we don't want another + thread to add a dirty page to any flush list. */ + log_flush_order_mutex_enter(); + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_flush_list_mutex_enter(buf_pool); + + bpage = UT_LIST_GET_LAST(buf_pool->flush_list); + + if (bpage != NULL) { + ut_ad(bpage->in_flush_list); + lsn = bpage->oldest_modification; + } + + buf_flush_list_mutex_exit(buf_pool); + + if (!oldest_lsn || oldest_lsn > lsn) { + oldest_lsn = lsn; + } + } + + log_flush_order_mutex_exit(); + + /* The returned answer may be out of date: the flush_list can + change after the mutex has been released. */ + + return(oldest_lsn); +} + +/********************************************************************//** +Get total buffer pool statistics. */ +UNIV_INTERN +void +buf_get_total_list_len( +/*===================*/ + ulint* LRU_len, /*!< out: length of all LRU lists */ + ulint* free_len, /*!< out: length of all free lists */ + ulint* flush_list_len) /*!< out: length of all flush lists */ +{ + ulint i; + + *LRU_len = 0; + *free_len = 0; + *flush_list_len = 0; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + *LRU_len += UT_LIST_GET_LEN(buf_pool->LRU); + *free_len += UT_LIST_GET_LEN(buf_pool->free); + *flush_list_len += UT_LIST_GET_LEN(buf_pool->flush_list); + } +} + +/********************************************************************//** +Get total buffer pool statistics. */ +UNIV_INTERN +void +buf_get_total_stat( +/*===============*/ + buf_pool_stat_t* tot_stat) /*!< out: buffer pool stats */ +{ + ulint i; + + memset(tot_stat, 0, sizeof(*tot_stat)); + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_stat_t*buf_stat; + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_stat = &buf_pool->stat; + tot_stat->n_page_gets += buf_stat->n_page_gets; + tot_stat->n_pages_read += buf_stat->n_pages_read; + tot_stat->n_pages_written += buf_stat->n_pages_written; + tot_stat->n_pages_created += buf_stat->n_pages_created; + tot_stat->n_ra_pages_read += buf_stat->n_ra_pages_read; + tot_stat->n_ra_pages_evicted += buf_stat->n_ra_pages_evicted; + tot_stat->n_pages_made_young += buf_stat->n_pages_made_young; + + tot_stat->n_pages_not_made_young += + buf_stat->n_pages_not_made_young; + } +} + +/********************************************************************//** +Allocates a buffer block. +@return own: the allocated block, in state BUF_BLOCK_MEMORY */ +UNIV_INTERN +buf_block_t* +buf_block_alloc( +/*============*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint zip_size) /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ +{ + buf_block_t* block; + ulint index; + static ulint buf_pool_index; + + if (buf_pool == NULL) { + /* We are allocating memory from any buffer pool, ensure + we spread the grace on all buffer pool instances. */ + index = buf_pool_index++ % srv_buf_pool_instances; + buf_pool = buf_pool_from_array(index); + } + + block = buf_LRU_get_free_block(buf_pool, zip_size); + + buf_block_set_state(block, BUF_BLOCK_MEMORY); + + return(block); +} + /********************************************************************//** Calculates a page checksum which is stored to the page when it is written to a file. Note that we must be careful to calculate the same value on @@ -727,13 +850,15 @@ static void buf_block_init( /*===========*/ - buf_block_t* block, /*!< in: pointer to control block */ - byte* frame) /*!< in: pointer to buffer frame */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + buf_block_t* block, /*!< in: pointer to control block */ + byte* frame) /*!< in: pointer to buffer frame */ { UNIV_MEM_DESC(frame, UNIV_PAGE_SIZE, block); block->frame = frame; + block->page.buf_pool = buf_pool; block->page.state = BUF_BLOCK_NOT_USED; block->page.buf_fix_count = 0; block->page.io_fix = BUF_IO_NONE; @@ -789,6 +914,7 @@ static buf_chunk_t* buf_chunk_init( /*===========*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ buf_chunk_t* chunk, /*!< out: chunk of buffers */ ulint mem_size) /*!< in: requested size in bytes */ { @@ -844,7 +970,7 @@ buf_chunk_init( for (i = chunk->size; i--; ) { - buf_block_init(block, frame); + buf_block_init(buf_pool, block, frame); #ifdef HAVE_purify /* Wipe contents of frame to eliminate a Purify warning */ @@ -852,7 +978,9 @@ buf_chunk_init( #endif /* Add the block to the free list */ UT_LIST_ADD_LAST(list, buf_pool->free, (&block->page)); + ut_d(block->page.in_free_list = TRUE); + ut_ad(buf_pool_from_block(block) == buf_pool); block++; frame += UNIV_PAGE_SIZE; @@ -879,9 +1007,6 @@ buf_chunk_contains_zip( buf_block_t* block; ulint i; - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - block = chunk->blocks; for (i = chunk->size; i--; block++) { @@ -902,12 +1027,16 @@ UNIV_INTERN buf_block_t* buf_pool_contains_zip( /*==================*/ - const void* data) /*!< in: pointer to compressed page */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + const void* data) /*!< in: pointer to compressed page */ { ulint n; buf_chunk_t* chunk = buf_pool->chunks; + ut_ad(buf_pool); + ut_ad(buf_pool_mutex_own(buf_pool)); for (n = buf_pool->n_chunks; n--; chunk++) { + buf_block_t* block = buf_chunk_contains_zip(chunk, data); if (block) { @@ -931,9 +1060,6 @@ buf_chunk_not_freed( buf_block_t* block; ulint i; - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - block = chunk->blocks; for (i = chunk->size; i--; block++) { @@ -983,9 +1109,6 @@ buf_chunk_all_free( const buf_block_t* block; ulint i; - ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); - block = chunk->blocks; for (i = chunk->size; i--; block++) { @@ -1005,12 +1128,13 @@ static void buf_chunk_free( /*===========*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ buf_chunk_t* chunk) /*!< out: chunk of buffers */ { buf_block_t* block; const buf_block_t* block_end; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); block_end = chunk->blocks + chunk->size; @@ -1038,55 +1162,83 @@ buf_chunk_free( } /********************************************************************//** -Creates the buffer pool. -@return own: buf_pool object, NULL if not enough memory or error */ -UNIV_INTERN -buf_pool_t* -buf_pool_init(void) -/*===============*/ +Set buffer pool size variables after resizing it */ +static +void +buf_pool_set_sizes(void) +/*====================*/ { - buf_chunk_t* chunk; - ulint i; + ulint i; + ulint curr_size = 0; - buf_pool = mem_zalloc(sizeof(buf_pool_t)); + buf_pool_mutex_enter_all(); + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + curr_size += buf_pool->curr_pool_size; + } + + srv_buf_pool_curr_size = curr_size; + srv_buf_pool_old_size = srv_buf_pool_size; + + buf_pool_mutex_exit_all(); +} + +/********************************************************************//** +Initialize a buffer pool instance. +@return DB_SUCCESS if all goes well. */ +UNIV_INTERN +ulint +buf_pool_init_instance( +/*===================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint buf_pool_size, /*!< in: size in bytes */ + ulint instance_no) /*!< in: id of the instance */ +{ + ulint i; + buf_chunk_t* chunk; /* 1. Initialize general fields ------------------------------- */ mutex_create(buf_pool_mutex_key, - &buf_pool_mutex, SYNC_BUF_POOL); + &buf_pool->mutex, SYNC_BUF_POOL); mutex_create(buf_pool_zip_mutex_key, - &buf_pool_zip_mutex, SYNC_BUF_BLOCK); + &buf_pool->zip_mutex, SYNC_BUF_BLOCK); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - buf_pool->n_chunks = 1; - buf_pool->chunks = chunk = mem_alloc(sizeof *chunk); + if (buf_pool_size > 0) { + buf_pool->n_chunks = 1; + buf_pool->chunks = chunk = mem_zalloc(sizeof *chunk); - UT_LIST_INIT(buf_pool->free); + UT_LIST_INIT(buf_pool->free); - if (!buf_chunk_init(chunk, srv_buf_pool_size)) { - mem_free(chunk); - mem_free(buf_pool); - buf_pool = NULL; - return(NULL); + if (!buf_chunk_init(buf_pool, chunk, buf_pool_size)) { + mem_free(chunk); + mem_free(buf_pool); + + buf_pool_mutex_exit(buf_pool); + + return(DB_ERROR); + } + + buf_pool->instance_no = instance_no; + buf_pool->old_pool_size = buf_pool_size; + buf_pool->curr_size = chunk->size; + buf_pool->curr_pool_size = buf_pool->curr_size * UNIV_PAGE_SIZE; + + buf_pool->page_hash = hash_create(2 * buf_pool->curr_size); + buf_pool->zip_hash = hash_create(2 * buf_pool->curr_size); + + buf_pool->last_printout_time = ut_time(); } - - srv_buf_pool_old_size = srv_buf_pool_size; - buf_pool->curr_size = chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; - - buf_pool->page_hash = hash_create(2 * buf_pool->curr_size); - buf_pool->zip_hash = hash_create(2 * buf_pool->curr_size); - - buf_pool->last_printout_time = time(NULL); - /* 2. Initialize flushing fields -------------------------------- */ mutex_create(flush_list_mutex_key, &buf_pool->flush_list_mutex, SYNC_BUF_FLUSH_LIST); - mutex_create(flush_order_mutex_key, &buf_pool->flush_order_mutex, - SYNC_BUF_FLUSH_ORDER); for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { buf_pool->no_flush[i] = os_event_create(NULL); @@ -1094,26 +1246,22 @@ buf_pool_init(void) /* 3. Initialize LRU fields --------------------------- */ + /* All fields are initialized by mem_zalloc(). */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); - btr_search_sys_create(buf_pool->curr_size - * UNIV_PAGE_SIZE / sizeof(void*) / 64); - - /* 4. Initialize the buddy allocator fields */ - /* All fields are initialized by mem_zalloc(). */ - - return(buf_pool); + return(DB_SUCCESS); } /********************************************************************//** -Frees the buffer pool at shutdown. This must not be invoked before -freeing all mutexes. */ -UNIV_INTERN +free one buffer pool instance */ +static void -buf_pool_free(void) -/*===============*/ +buf_pool_free_instance( +/*===================*/ + buf_pool_t* buf_pool) /* in,own: buffer pool instance + to free */ { buf_chunk_t* chunk; buf_chunk_t* chunks; @@ -1134,6 +1282,139 @@ buf_pool_free(void) buf_pool = NULL; } +/********************************************************************//** +Creates the buffer pool. +@return DB_SUCCESS if success, DB_ERROR if not enough memory or error */ +UNIV_INTERN +ulint +buf_pool_init( +/*==========*/ + ulint total_size, /*!< in: size of the total pool in bytes */ + ulint n_instances) /*!< in: number of instances */ +{ + ulint i; + + /* We create an extra buffer pool instance, this instance is used + for flushing the flush lists, to keep track of n_flush for all + the buffer pools and also used as a waiting object during flushing. */ + for (i = 0; i < n_instances; i++) { + buf_pool_t* ptr; + ulint size; + + ptr = mem_zalloc(sizeof(*ptr)); + + size = total_size / n_instances; + + buf_pool_ptr[i] = ptr; + + if (buf_pool_init_instance(ptr, size, i) != DB_SUCCESS) { + + mem_free(buf_pool_ptr[i]); + + /* Free all the instances created so far. */ + buf_pool_free(i); + + return(DB_ERROR); + } + } + + buf_pool_set_sizes(); + buf_LRU_old_ratio_update(100 * 3/ 8, FALSE); + + btr_search_sys_create(buf_pool_get_curr_size() / sizeof(void*) / 64); + + return(DB_SUCCESS); +} + +/********************************************************************//** +Frees the buffer pool at shutdown. This must not be invoked before +freeing all mutexes. */ +UNIV_INTERN +void +buf_pool_free( +/*==========*/ + ulint n_instances) /*!< in: numbere of instances to free */ +{ + ulint i; + + for (i = 0; i < n_instances; i++) { + buf_pool_free_instance(buf_pool_from_array(i)); + buf_pool_ptr[i] = NULL; + } +} + +/********************************************************************//** +Drops adaptive hash index for a buffer pool instance. */ +static +void +buf_pool_drop_hash_index_instance( +/*==============================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ibool* released_search_latch) /*!< out: flag for signalling + whether the search latch was + released */ +{ + buf_chunk_t* chunks = buf_pool->chunks; + buf_chunk_t* chunk = chunks + buf_pool->n_chunks; + + while (--chunk >= chunks) { + ulint i; + buf_block_t* block = chunk->blocks; + + for (i = chunk->size; i--; block++) { + /* block->is_hashed cannot be modified + when we have an x-latch on btr_search_latch; + see the comment in buf0buf.h */ + + if (!block->is_hashed) { + continue; + } + + /* To follow the latching order, we + have to release btr_search_latch + before acquiring block->latch. */ + rw_lock_x_unlock(&btr_search_latch); + /* When we release the search latch, + we must rescan all blocks, because + some may become hashed again. */ + *released_search_latch = TRUE; + + rw_lock_x_lock(&block->lock); + + /* This should be guaranteed by the + callers, which will be holding + btr_search_enabled_mutex. */ + ut_ad(!btr_search_enabled); + + /* Because we did not buffer-fix the + block by calling buf_block_get_gen(), + it is possible that the block has been + allocated for some other use after + btr_search_latch was released above. + We do not care which file page the + block is mapped to. All we want to do + is to drop any hash entries referring + to the page. */ + + /* It is possible that + block->page.state != BUF_FILE_PAGE. + Even that does not matter, because + btr_search_drop_page_hash_index() will + check block->is_hashed before doing + anything. block->is_hashed can only + be set on uncompressed file pages. */ + + btr_search_drop_page_hash_index(block); + + rw_lock_x_unlock(&block->lock); + + rw_lock_x_lock(&btr_search_latch); + + ut_ad(!btr_search_enabled); + } + } +} + /********************************************************************//** Drops the adaptive hash index. To prevent a livelock, this function is only to be called while holding btr_search_latch and while @@ -1151,69 +1432,19 @@ buf_pool_drop_hash_index(void) ut_ad(!btr_search_enabled); do { - buf_chunk_t* chunks = buf_pool->chunks; - buf_chunk_t* chunk = chunks + buf_pool->n_chunks; + ulint i; released_search_latch = FALSE; - while (--chunk >= chunks) { - buf_block_t* block = chunk->blocks; - ulint i = chunk->size; + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; - for (; i--; block++) { - /* block->is_hashed cannot be modified - when we have an x-latch on btr_search_latch; - see the comment in buf0buf.h */ + buf_pool = buf_pool_from_array(i); - if (buf_block_get_state(block) - != BUF_BLOCK_FILE_PAGE - || !block->is_hashed) { - continue; - } - - /* To follow the latching order, we - have to release btr_search_latch - before acquiring block->latch. */ - rw_lock_x_unlock(&btr_search_latch); - /* When we release the search latch, - we must rescan all blocks, because - some may become hashed again. */ - released_search_latch = TRUE; - - rw_lock_x_lock(&block->lock); - - /* This should be guaranteed by the - callers, which will be holding - btr_search_enabled_mutex. */ - ut_ad(!btr_search_enabled); - - /* Because we did not buffer-fix the - block by calling buf_block_get_gen(), - it is possible that the block has been - allocated for some other use after - btr_search_latch was released above. - We do not care which file page the - block is mapped to. All we want to do - is to drop any hash entries referring - to the page. */ - - /* It is possible that - block->page.state != BUF_FILE_PAGE. - Even that does not matter, because - btr_search_drop_page_hash_index() will - check block->is_hashed before doing - anything. block->is_hashed can only - be set on uncompressed file pages. */ - - btr_search_drop_page_hash_index(block); - - rw_lock_x_unlock(&block->lock); - - rw_lock_x_lock(&btr_search_latch); - - ut_ad(!btr_search_enabled); - } + buf_pool_drop_hash_index_instance( + buf_pool, &released_search_latch); } + } while (released_search_latch); } @@ -1232,16 +1463,18 @@ buf_relocate( { buf_page_t* b; ulint fold; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); ut_a(bpage->buf_fix_count == 0); ut_ad(bpage->in_LRU_list); ut_ad(!bpage->in_zip_hash); ut_ad(bpage->in_page_hash); - ut_ad(bpage == buf_page_hash_get(bpage->space, bpage->offset)); - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(bpage == buf_page_hash_get(buf_pool, + bpage->space, bpage->offset)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); #ifdef UNIV_DEBUG switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: @@ -1300,12 +1533,13 @@ buf_relocate( } /********************************************************************//** -Shrinks the buffer pool. */ +Shrinks a buffer pool instance. */ static void -buf_pool_shrink( -/*============*/ - ulint chunk_size) /*!< in: number of pages to remove */ +buf_pool_shrink_instance( +/*=====================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint chunk_size) /*!< in: number of pages to remove */ { buf_chunk_t* chunks; buf_chunk_t* chunk; @@ -1314,11 +1548,11 @@ buf_pool_shrink( buf_chunk_t* max_chunk; buf_chunk_t* max_free_chunk; - ut_ad(!buf_pool_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); try_again: btr_search_disable(); /* Empty the adaptive hash index again */ - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); shrink_again: if (buf_pool->n_chunks <= 1) { @@ -1381,7 +1615,7 @@ shrink_again: mutex_enter(&block->mutex); /* The following calls will temporarily - release block->mutex and buf_pool_mutex. + release block->mutex and buf_pool->mutex. Therefore, we have to always retry, even if !dirty && !nonfree. */ @@ -1397,7 +1631,7 @@ shrink_again: mutex_exit(&block->mutex); } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); /* Request for a flush of the chunk if it helps. Do not flush if there are non-free blocks, since @@ -1406,10 +1640,10 @@ shrink_again: /* Avoid busy-waiting. */ os_thread_sleep(100000); } else if (dirty - && buf_flush_batch(BUF_FLUSH_LRU, dirty, 0) - == ULINT_UNDEFINED) { + && buf_flush_LRU(buf_pool, dirty) + == ULINT_UNDEFINED) { - buf_flush_wait_batch_end(BUF_FLUSH_LRU); + buf_flush_wait_batch_end(buf_pool, BUF_FLUSH_LRU); } goto try_again; @@ -1418,7 +1652,7 @@ shrink_again: max_size = max_free_size; max_chunk = max_free_chunk; - srv_buf_pool_old_size = srv_buf_pool_size; + buf_pool->old_pool_size = buf_pool->curr_pool_size; /* Rewrite buf_pool->chunks. Copy everything but max_chunk. */ chunks = mem_alloc((buf_pool->n_chunks - 1) * sizeof *chunks); @@ -1430,9 +1664,9 @@ shrink_again: - (max_chunk + 1)); ut_a(buf_pool->curr_size > max_chunk->size); buf_pool->curr_size -= max_chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size * UNIV_PAGE_SIZE; + buf_pool->curr_pool_size = buf_pool->curr_size * UNIV_PAGE_SIZE; chunk_size -= max_chunk->size; - buf_chunk_free(max_chunk); + buf_chunk_free(buf_pool, max_chunk); mem_free(buf_pool->chunks); buf_pool->chunks = chunks; buf_pool->n_chunks--; @@ -1442,29 +1676,53 @@ shrink_again: goto shrink_again; } + goto func_exit; func_done: - srv_buf_pool_old_size = srv_buf_pool_size; + buf_pool->old_pool_size = buf_pool->curr_pool_size; func_exit: - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); btr_search_enable(); } /********************************************************************//** -Rebuild buf_pool->page_hash. */ +Shrinks the buffer pool. */ static void -buf_pool_page_hash_rebuild(void) -/*============================*/ +buf_pool_shrink( +/*============*/ + ulint chunk_size) /*!< in: number of pages to remove */ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + ulint instance_chunk_size; + + instance_chunk_size = chunk_size / srv_buf_pool_instances; + buf_pool = buf_pool_from_array(i); + buf_pool_shrink_instance(buf_pool, instance_chunk_size); + } + + buf_pool_set_sizes(); +} + +/********************************************************************//** +Rebuild buf_pool->page_hash for a buffer pool instance. */ +static +void +buf_pool_page_hash_rebuild_instance( +/*================================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { ulint i; - ulint n_chunks; - buf_chunk_t* chunk; - hash_table_t* page_hash; - hash_table_t* zip_hash; buf_page_t* b; + buf_chunk_t* chunk; + ulint n_chunks; + hash_table_t* zip_hash; + hash_table_t* page_hash; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); /* Free, create, and populate the hash table. */ hash_table_free(buf_pool->page_hash); @@ -1517,7 +1775,7 @@ buf_pool_page_hash_rebuild(void) buf_page_address_fold(b->space, b->offset), b); } - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); @@ -1545,85 +1803,24 @@ buf_pool_page_hash_rebuild(void) } } - buf_flush_list_mutex_exit(); - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); + buf_pool_mutex_exit(buf_pool); } -/********************************************************************//** -Resizes the buffer pool. */ -UNIV_INTERN -void -buf_pool_resize(void) -/*=================*/ -{ - buf_pool_mutex_enter(); - - if (srv_buf_pool_old_size == srv_buf_pool_size) { - - buf_pool_mutex_exit(); - return; - } - - if (srv_buf_pool_curr_size + 1048576 > srv_buf_pool_size) { - - buf_pool_mutex_exit(); - - /* Disable adaptive hash indexes and empty the index - in order to free up memory in the buffer pool chunks. */ - buf_pool_shrink((srv_buf_pool_curr_size - srv_buf_pool_size) - / UNIV_PAGE_SIZE); - } else if (srv_buf_pool_curr_size + 1048576 < srv_buf_pool_size) { - - /* Enlarge the buffer pool by at least one megabyte */ - - ulint mem_size - = srv_buf_pool_size - srv_buf_pool_curr_size; - buf_chunk_t* chunks; - buf_chunk_t* chunk; - - chunks = mem_alloc((buf_pool->n_chunks + 1) * sizeof *chunks); - - memcpy(chunks, buf_pool->chunks, buf_pool->n_chunks - * sizeof *chunks); - - chunk = &chunks[buf_pool->n_chunks]; - - if (!buf_chunk_init(chunk, mem_size)) { - mem_free(chunks); - } else { - buf_pool->curr_size += chunk->size; - srv_buf_pool_curr_size = buf_pool->curr_size - * UNIV_PAGE_SIZE; - mem_free(buf_pool->chunks); - buf_pool->chunks = chunks; - buf_pool->n_chunks++; - } - - srv_buf_pool_old_size = srv_buf_pool_size; - buf_pool_mutex_exit(); - } - - buf_pool_page_hash_rebuild(); -} - -/** Maximum number of concurrent buffer pool watches */ -#define BUF_POOL_WATCH_SIZE 1 -/** Sentinel records for buffer pool watches. Protected by buf_pool_mutex. */ -static buf_page_t buf_pool_watch[BUF_POOL_WATCH_SIZE]; - /******************************************************************** Determine if a block is a sentinel for a buffer pool watch. @return TRUE if a sentinel for a buffer pool watch, FALSE if not */ UNIV_INTERN ibool -buf_pool_watch_is( -/*==============*/ - const buf_page_t* bpage) /*!< in: block */ +buf_pool_watch_is_sentinel( +/*=======================*/ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + const buf_page_t* bpage) /*!< in: block */ { ut_ad(buf_page_in_file(bpage)); - if (UNIV_LIKELY(bpage < &buf_pool_watch[0] - || bpage >= &buf_pool_watch[BUF_POOL_WATCH_SIZE])) { + if (bpage < &buf_pool->watch[0] + || bpage >= &buf_pool->watch[BUF_POOL_WATCH_SIZE]) { ut_ad(buf_page_get_state(bpage) != BUF_BLOCK_ZIP_PAGE || bpage->zip.data != NULL); @@ -1653,13 +1850,14 @@ buf_pool_watch_set( { buf_page_t* bpage; ulint i; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); - bpage = buf_page_hash_get_low(space, offset, fold); + bpage = buf_page_hash_get_low(buf_pool, space, offset, fold); if (UNIV_LIKELY_NULL(bpage)) { - if (!buf_pool_watch_is(bpage)) { + if (!buf_pool_watch_is_sentinel(buf_pool, bpage)) { /* The page was loaded meanwhile. */ return(bpage); } @@ -1669,7 +1867,7 @@ buf_pool_watch_set( } for (i = 0; i < BUF_POOL_WATCH_SIZE; i++) { - bpage = &buf_pool_watch[i]; + bpage = &buf_pool->watch[i]; ut_ad(bpage->access_time == 0); ut_ad(bpage->newest_modification == 0); @@ -1685,7 +1883,7 @@ buf_pool_watch_set( /* bpage is pointing to buf_pool_watch[], which is protected by buf_pool_mutex. Normally, buf_page_t objects are protected by - buf_block_t::mutex or buf_pool_zip_mutex or both. */ + buf_block_t::mutex or buf_pool->zip_mutex or both. */ bpage->state = BUF_BLOCK_ZIP_PAGE; bpage->space = space; @@ -1715,6 +1913,123 @@ buf_pool_watch_set( return(NULL); } +/********************************************************************//** +Rebuild buf_pool->page_hash. */ +static +void +buf_pool_page_hash_rebuild(void) +/*============================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_page_hash_rebuild_instance(buf_pool_from_array(i)); + } +} + +/********************************************************************//** +Increase the buffer pool size of one buffer pool instance. */ +static +void +buf_pool_increase_instance( +/*=======================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instane */ + ulint change_size) /*!< in: new size of the pool */ +{ + buf_chunk_t* chunks; + buf_chunk_t* chunk; + + buf_pool_mutex_enter(buf_pool); + chunks = mem_alloc((buf_pool->n_chunks + 1) * sizeof *chunks); + + memcpy(chunks, buf_pool->chunks, buf_pool->n_chunks * sizeof *chunks); + + chunk = &chunks[buf_pool->n_chunks]; + + if (!buf_chunk_init(buf_pool, chunk, change_size)) { + mem_free(chunks); + } else { + buf_pool->old_pool_size = buf_pool->curr_pool_size; + buf_pool->curr_size += chunk->size; + buf_pool->curr_pool_size = buf_pool->curr_size * UNIV_PAGE_SIZE; + mem_free(buf_pool->chunks); + buf_pool->chunks = chunks; + buf_pool->n_chunks++; + } + + buf_pool_mutex_exit(buf_pool); +} + +/********************************************************************//** +Increase the buffer pool size. */ +static +void +buf_pool_increase( +/*==============*/ + ulint change_size) +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_increase_instance( + buf_pool_from_array(i), + change_size / srv_buf_pool_instances); + } + + buf_pool_set_sizes(); +} + +/********************************************************************//** +Resizes the buffer pool. */ +UNIV_INTERN +void +buf_pool_resize(void) +/*=================*/ +{ + ulint change_size; + ulint min_change_size = 1048576 * srv_buf_pool_instances; + + buf_pool_mutex_enter_all(); + + if (srv_buf_pool_old_size == srv_buf_pool_size) { + + buf_pool_mutex_exit_all(); + + return; + + } else if (srv_buf_pool_curr_size + min_change_size + > srv_buf_pool_size) { + + change_size = (srv_buf_pool_curr_size - srv_buf_pool_size) + / UNIV_PAGE_SIZE; + + buf_pool_mutex_exit_all(); + + /* Disable adaptive hash indexes and empty the index + in order to free up memory in the buffer pool chunks. */ + buf_pool_shrink(change_size); + + } else if (srv_buf_pool_curr_size + min_change_size + < srv_buf_pool_size) { + + /* Enlarge the buffer pool by at least one megabyte */ + + change_size = srv_buf_pool_size - srv_buf_pool_curr_size; + + buf_pool_mutex_exit_all(); + + buf_pool_increase(change_size); + } else { + srv_buf_pool_size = srv_buf_pool_old_size; + + buf_pool_mutex_exit_all(); + + return; + } + + buf_pool_page_hash_rebuild(); +} + /****************************************************************//** Remove the sentinel block for the watch before replacing it with a real block. buf_page_watch_clear() or buf_page_watch_occurred() will notice that @@ -1724,10 +2039,12 @@ static void buf_pool_watch_remove( /*==================*/ - ulint fold, /*!< in: buf_page_address_fold(space, offset) */ - buf_page_t* watch) /*!< in/out: sentinel for watch */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + ulint fold, /*!< in: buf_page_address_fold( + space, offset) */ + buf_page_t* watch) /*!< in/out: sentinel for watch */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, watch); ut_d(watch->in_page_hash = FALSE); @@ -1746,16 +2063,18 @@ buf_pool_watch_unset( ulint offset) /*!< in: page number */ { buf_page_t* bpage; - ulint fold = buf_page_address_fold(space, offset); + buf_pool_t* buf_pool = buf_pool_get(space, offset); + ulint fold = buf_page_address_fold(space, offset); - buf_pool_mutex_enter(); - bpage = buf_page_hash_get_low(space, offset, fold); + buf_pool_mutex_enter(buf_pool); + bpage = buf_page_hash_get_low(buf_pool, space, offset, fold); /* The page must exist because buf_pool_watch_set() increments buf_fix_count. */ ut_a(bpage); - if (UNIV_UNLIKELY(!buf_pool_watch_is(bpage))) { + if (UNIV_UNLIKELY(!buf_pool_watch_is_sentinel(buf_pool, bpage))) { mutex_t* mutex = buf_page_get_mutex(bpage); + mutex_enter(mutex); ut_a(bpage->buf_fix_count > 0); bpage->buf_fix_count--; @@ -1764,11 +2083,11 @@ buf_pool_watch_unset( ut_a(bpage->buf_fix_count > 0); if (UNIV_LIKELY(!--bpage->buf_fix_count)) { - buf_pool_watch_remove(fold, bpage); + buf_pool_watch_remove(buf_pool, fold, bpage); } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } /****************************************************************//** @@ -1783,18 +2102,19 @@ buf_pool_watch_occurred( ulint space, /*!< in: space id */ ulint offset) /*!< in: page number */ { - buf_page_t* bpage; - ulint fold = buf_page_address_fold(space, offset); ibool ret; + buf_page_t* bpage; + buf_pool_t* buf_pool = buf_pool_get(space, offset); + ulint fold = buf_page_address_fold(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - bpage = buf_page_hash_get_low(space, offset, fold); + bpage = buf_page_hash_get_low(buf_pool, space, offset, fold); /* The page must exist because buf_pool_watch_set() increments buf_fix_count. */ ut_a(bpage); - ret = !buf_pool_watch_is(bpage); - buf_pool_mutex_exit(); + ret = !buf_pool_watch_is_sentinel(buf_pool, bpage); + buf_pool_mutex_exit(buf_pool); return(ret); } @@ -1809,13 +2129,15 @@ buf_page_make_young( /*================*/ buf_page_t* bpage) /*!< in: buffer block of a file page */ { - buf_pool_mutex_enter(); + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + + buf_pool_mutex_enter(buf_pool); ut_a(buf_page_in_file(bpage)); buf_LRU_make_block_young(bpage); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } /********************************************************************//** @@ -1833,18 +2155,20 @@ buf_page_set_accessed_make_young( read under mutex protection, or 0 if unknown */ { - ut_ad(!buf_pool_mutex_own()); + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + + ut_ad(!buf_pool_mutex_own(buf_pool)); ut_a(buf_page_in_file(bpage)); if (buf_page_peek_if_too_old(bpage)) { - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); buf_LRU_make_block_young(bpage); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } else if (!access_time) { ulint time_ms = ut_time_ms(); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); buf_page_set_accessed(bpage, time_ms); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } } @@ -1859,17 +2183,18 @@ buf_reset_check_index_page_at_flush( ulint offset) /*!< in: page number */ { buf_block_t* block; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - block = (buf_block_t*) buf_page_hash_get(space, offset); + block = (buf_block_t*) buf_page_hash_get(buf_pool, space, offset); if (block && buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE) { - ut_ad(!buf_pool_watch_is(&block->page)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, &block->page)); block->check_index_page_at_flush = FALSE; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } /********************************************************************//** @@ -1886,19 +2211,20 @@ buf_page_peek_if_search_hashed( { buf_block_t* block; ibool is_hashed; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - block = (buf_block_t*) buf_page_hash_get(space, offset); + block = (buf_block_t*) buf_page_hash_get(buf_pool, space, offset); if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { is_hashed = FALSE; } else { - ut_ad(!buf_pool_watch_is(&block->page)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, &block->page)); is_hashed = block->is_hashed; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(is_hashed); } @@ -1918,17 +2244,18 @@ buf_page_set_file_page_was_freed( ulint offset) /*!< in: page number */ { buf_page_t* bpage; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - bpage = buf_page_hash_get(space, offset); + bpage = buf_page_hash_get(buf_pool, space, offset); if (bpage) { - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); bpage->file_page_was_freed = TRUE; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(bpage); } @@ -1947,17 +2274,18 @@ buf_page_reset_file_page_was_freed( ulint offset) /*!< in: page number */ { buf_page_t* bpage; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - bpage = buf_page_hash_get(space, offset); + bpage = buf_page_hash_get(buf_pool, space, offset); if (bpage) { - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); bpage->file_page_was_freed = FALSE; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(bpage); } @@ -1984,6 +2312,7 @@ buf_page_get_zip( mutex_t* block_mutex; ibool must_read; unsigned access_time; + buf_pool_t* buf_pool = buf_pool_get(space, offset); #ifndef UNIV_LOG_DEBUG ut_ad(!ibuf_inside()); @@ -1991,17 +2320,17 @@ buf_page_get_zip( buf_pool->stat.n_page_gets++; for (;;) { - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); lookup: - bpage = buf_page_hash_get(space, offset); + bpage = buf_page_hash_get(buf_pool, space, offset); if (bpage) { - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); break; } /* Page not in buf_pool: needs to be read from file */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_read_page(space, zip_size, offset); @@ -2013,11 +2342,11 @@ lookup: if (UNIV_UNLIKELY(!bpage->zip.data)) { /* There is no compressed page. */ err_exit: - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(NULL); } - ut_ad(!buf_pool_watch_is(bpage)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, bpage)); switch (buf_page_get_state(bpage)) { case BUF_BLOCK_NOT_USED: @@ -2028,7 +2357,7 @@ err_exit: break; case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: - block_mutex = &buf_pool_zip_mutex; + block_mutex = &buf_pool->zip_mutex; mutex_enter(block_mutex); bpage->buf_fix_count++; goto got_block; @@ -2056,7 +2385,7 @@ got_block: must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ; access_time = buf_page_is_accessed(bpage); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); mutex_exit(block_mutex); @@ -2186,13 +2515,16 @@ buf_zip_decompress( #ifndef UNIV_HOTBACKUP /*******************************************************************//** -Gets the block to whose frame the pointer is pointing to. -@return pointer to block, never NULL */ +Gets the block to whose frame the pointer is pointing to if found +in this buffer pool instance. +@return pointer to block */ UNIV_INTERN buf_block_t* -buf_block_align( -/*============*/ - const byte* ptr) /*!< in: pointer to a frame */ +buf_block_align_instance( +/*=====================*/ + buf_pool_t* buf_pool, /*!< in: buffer in which the block + resides */ + const byte* ptr) /*!< in: pointer to a frame */ { buf_chunk_t* chunk; ulint i; @@ -2218,7 +2550,7 @@ buf_block_align( ut_ad(block->frame == page_align(ptr)); #ifdef UNIV_DEBUG /* A thread that updates these fields must - hold buf_pool_mutex and block->mutex. Acquire + hold buf_pool->mutex and block->mutex. Acquire only the latter. */ mutex_enter(&block->mutex); @@ -2267,6 +2599,30 @@ buf_block_align( } } + return(NULL); +} + +/*******************************************************************//** +Gets the block to whose frame the pointer is pointing to. +@return pointer to block, never NULL */ +UNIV_INTERN +buf_block_t* +buf_block_align( +/*============*/ + const byte* ptr) /*!< in: pointer to a frame */ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_block_t* block; + + block = buf_block_align_instance( + buf_pool_from_array(i), ptr); + if (block) { + return(block); + } + } + /* The block should always be found. */ ut_error; return(NULL); @@ -2274,14 +2630,15 @@ buf_block_align( /********************************************************************//** Find out if a pointer belongs to a buf_block_t. It can be a pointer to -the buf_block_t itself or a member of it +the buf_block_t itself or a member of it. This functions checks one of +the buffer pool instances. @return TRUE if ptr belongs to a buf_block_t struct */ -UNIV_INTERN +static ibool -buf_pointer_is_block_field( -/*=======================*/ - const void* ptr) /*!< in: pointer not - dereferenced */ +buf_pointer_is_block_field_instance( +/*================================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + const void* ptr) /*!< in: pointer not dereferenced */ { const buf_chunk_t* chunk = buf_pool->chunks; const buf_chunk_t* const echunk = chunk + buf_pool->n_chunks; @@ -2301,6 +2658,31 @@ buf_pointer_is_block_field( return(FALSE); } +/********************************************************************//** +Find out if a pointer belongs to a buf_block_t. It can be a pointer to +the buf_block_t itself or a member of it +@return TRUE if ptr belongs to a buf_block_t struct */ +UNIV_INTERN +ibool +buf_pointer_is_block_field( +/*=======================*/ + const void* ptr) /*!< in: pointer not dereferenced */ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + ibool found; + + found = buf_pointer_is_block_field_instance( + buf_pool_from_array(i), ptr); + if (found) { + return(TRUE); + } + } + + return(FALSE); +} + /********************************************************************//** Find out if a buffer block was created by buf_chunk_init(). @return TRUE if "block" has been added to buf_pool->free by buf_chunk_init() */ @@ -2308,17 +2690,18 @@ static ibool buf_block_is_uncompressed( /*======================*/ - const buf_block_t* block) /*!< in: pointer to block, - not dereferenced */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + const buf_block_t* block) /*!< in: pointer to block, + not dereferenced */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); if (UNIV_UNLIKELY((((ulint) block) % sizeof *block) != 0)) { /* The pointer should be aligned. */ return(FALSE); } - return(buf_pointer_is_block_field((void *)block)); + return(buf_pointer_is_block_field_instance(buf_pool, (void *)block)); } /********************************************************************//** @@ -2347,6 +2730,7 @@ buf_page_get_gen( ulint fix_type; ibool must_read; ulint retries = 0; + buf_pool_t* buf_pool = buf_pool_get(space, offset); ut_ad(mtr); ut_ad(mtr->state == MTR_ACTIVE); @@ -2367,7 +2751,7 @@ buf_page_get_gen( fold = buf_page_address_fold(space, offset); loop: block = guess; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); if (block) { /* If the guess is a compressed page descriptor that @@ -2378,7 +2762,7 @@ loop: the guess may be pointing to a buffer pool chunk that has been released when resizing the buffer pool. */ - if (!buf_block_is_uncompressed(block) + if (!buf_block_is_uncompressed(buf_pool, block) || offset != block->page.offset || space != block->page.space || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { @@ -2391,12 +2775,12 @@ loop: } if (block == NULL) { - block = (buf_block_t*) buf_page_hash_get_low(space, offset, - fold); + block = (buf_block_t*) buf_page_hash_get_low( + buf_pool, space, offset, fold); } loop2: - if (block && buf_pool_watch_is(&block->page)) { + if (block && buf_pool_watch_is_sentinel(buf_pool, &block->page)) { block = NULL; } @@ -2413,7 +2797,7 @@ loop2: } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); if (mode == BUF_GET_IF_IN_POOL || mode == BUF_GET_IF_IN_POOL_OR_WATCH) { @@ -2461,7 +2845,7 @@ got_block: /* The page is being read to buffer pool, but we cannot wait around for the read to complete. */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(NULL); } @@ -2477,40 +2861,42 @@ got_block: case BUF_BLOCK_ZIP_DIRTY: bpage = &block->page; /* Protect bpage->buf_fix_count. */ - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); if (bpage->buf_fix_count || buf_page_get_io_fix(bpage) != BUF_IO_NONE) { /* This condition often occurs when the buffer is not buffer-fixed, but I/O-fixed by buf_page_init_for_read(). */ - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); wait_until_unfixed: /* The block is buffer-fixed or I/O-fixed. Try again later. */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); os_thread_sleep(WAIT_FOR_READ); - + goto loop; } /* Allocate an uncompressed page. */ - buf_pool_mutex_exit(); - mutex_exit(&buf_pool_zip_mutex); + buf_pool_mutex_exit(buf_pool); + mutex_exit(&buf_pool->zip_mutex); - block = buf_LRU_get_free_block(0); + block = buf_LRU_get_free_block(buf_pool, 0); ut_a(block); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); mutex_enter(&block->mutex); { - buf_page_t* hash_bpage - = buf_page_hash_get_low(space, offset, fold); + buf_page_t* hash_bpage; + + hash_bpage = buf_page_hash_get_low( + buf_pool, space, offset, fold); if (UNIV_UNLIKELY(bpage != hash_bpage)) { /* The buf_pool->page_hash was modified - while buf_pool_mutex was released. + while buf_pool->mutex was released. Free the block that was allocated. */ buf_LRU_block_free_non_file_page(block); @@ -2526,7 +2912,7 @@ wait_until_unfixed: || buf_page_get_io_fix(bpage) != BUF_IO_NONE)) { /* The block was buffer-fixed or I/O-fixed - while buf_pool_mutex was not held by this thread. + while buf_pool->mutex was not held by this thread. Free the block that was allocated and try again. This should be extremely unlikely. */ @@ -2539,7 +2925,7 @@ wait_until_unfixed: /* Move the compressed page from bpage to block, and uncompress it. */ - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); buf_relocate(bpage, &block->page); buf_block_init_low(block); @@ -2574,15 +2960,15 @@ wait_until_unfixed: UNIV_MEM_INVALID(bpage, sizeof *bpage); mutex_exit(&block->mutex); - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); buf_pool->n_pend_unzip++; - buf_buddy_free(bpage, sizeof *bpage); + buf_buddy_free(buf_pool, bpage, sizeof *bpage); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); /* Decompress the page and apply buffered operations - while not holding buf_pool_mutex or block->mutex. */ + while not holding buf_pool->mutex or block->mutex. */ success = buf_zip_decompress(block, srv_use_checksums); if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) { @@ -2591,7 +2977,7 @@ wait_until_unfixed: } /* Unfix and unlatch the block. */ - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); mutex_enter(&block->mutex); block->page.buf_fix_count--; buf_block_set_io_fix(block, BUF_IO_NONE); @@ -2601,7 +2987,7 @@ wait_until_unfixed: if (UNIV_UNLIKELY(!success)) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(NULL); } @@ -2629,7 +3015,7 @@ wait_until_unfixed: access_time = buf_page_is_accessed(&block->page); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_page_set_accessed_make_young(&block->page, access_time); @@ -2714,6 +3100,7 @@ buf_page_optimistic_get( ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mini-transaction */ { + buf_pool_t* buf_pool; unsigned access_time; ibool success; ulint fix_type; @@ -2807,6 +3194,7 @@ buf_page_optimistic_get( ut_a(ibuf_count_get(buf_block_get_space(block), buf_block_get_page_no(block)) == 0); #endif + buf_pool = buf_pool_from_block(block); buf_pool->stat.n_page_gets++; return(TRUE); @@ -2828,6 +3216,7 @@ buf_page_get_known_nowait( ulint line, /*!< in: line where called */ mtr_t* mtr) /*!< in: mini-transaction */ { + buf_pool_t* buf_pool; ibool success; ulint fix_type; @@ -2856,10 +3245,12 @@ buf_page_get_known_nowait( mutex_exit(&block->mutex); + buf_pool = buf_pool_from_block(block); + if (mode == BUF_MAKE_YOUNG && buf_page_peek_if_too_old(&block->page)) { - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); buf_LRU_make_block_young(&block->page); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } else if (!buf_page_is_accessed(&block->page)) { /* Above, we do a dirty read on purpose, to avoid mutex contention. The field buf_page_t::access_time @@ -2867,9 +3258,9 @@ buf_page_get_known_nowait( field must be protected by mutex, however. */ ulint time_ms = ut_time_ms(); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); buf_page_set_accessed(&block->page, time_ms); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } ut_ad(!ibuf_inside() || (mode == BUF_KEEP_OLD)); @@ -2931,22 +3322,23 @@ buf_page_try_get_func( buf_block_t* block; ibool success; ulint fix_type; + buf_pool_t* buf_pool = buf_pool_get(space_id, page_no); ut_ad(mtr); ut_ad(mtr->state == MTR_ACTIVE); - buf_pool_mutex_enter(); - block = buf_block_hash_get(space_id, page_no); + buf_pool_mutex_enter(buf_pool); + block = buf_block_hash_get(buf_pool, space_id, page_no); if (!block || buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(NULL); } - ut_ad(!buf_pool_watch_is(&block->page)); + ut_ad(!buf_pool_watch_is_sentinel(buf_pool, &block->page)); mutex_enter(&block->mutex); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); @@ -3033,8 +3425,9 @@ buf_page_init( buf_block_t* block) /*!< in: block to init */ { buf_page_t* hash_page; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(&(block->mutex))); ut_a(buf_block_get_state(block) != BUF_BLOCK_FILE_PAGE); @@ -3052,21 +3445,22 @@ buf_page_init( buf_block_init_low(block); - block->lock_hash_val = lock_rec_hash(space, offset); + block->lock_hash_val = lock_rec_hash(space, offset); buf_page_init_low(&block->page); /* Insert into the hash table of file pages */ - hash_page = buf_page_hash_get_low(space, offset, fold); + hash_page = buf_page_hash_get_low(buf_pool, space, offset, fold); if (UNIV_LIKELY(!hash_page)) { - } else if (UNIV_LIKELY(buf_pool_watch_is(hash_page))) { + } else if (buf_pool_watch_is_sentinel(buf_pool, hash_page)) { /* Preserve the reference count. */ ulint buf_fix_count = hash_page->buf_fix_count; + ut_a(buf_fix_count > 0); block->page.buf_fix_count += buf_fix_count; - buf_pool_watch_remove(fold, hash_page); + buf_pool_watch_remove(buf_pool, fold, hash_page); } else { fprintf(stderr, "InnoDB: Error: page %lu %lu already found" @@ -3076,7 +3470,7 @@ buf_page_init( (const void*) hash_page, (const void*) block); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG mutex_exit(&block->mutex); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_print(); buf_LRU_print(); buf_validate(); @@ -3111,7 +3505,8 @@ buf_page_init_for_read( ulint space, /*!< in: space id */ ulint zip_size,/*!< in: compressed page size, or 0 */ ibool unzip, /*!< in: TRUE=request uncompressed page */ - ib_int64_t tablespace_version,/*!< in: prevents reading from a wrong + ib_int64_t tablespace_version, + /*!< in: prevents reading from a wrong version of the tablespace in case we have done DISCARD + IMPORT */ ulint offset) /*!< in: page number */ @@ -3123,6 +3518,7 @@ buf_page_init_for_read( ulint fold; ibool lru = FALSE; void* data; + buf_pool_t* buf_pool = buf_pool_get(space, offset); ut_ad(buf_pool); @@ -3151,16 +3547,17 @@ buf_page_init_for_read( && UNIV_LIKELY(!recv_recovery_is_on())) { block = NULL; } else { - block = buf_LRU_get_free_block(0); + block = buf_LRU_get_free_block(buf_pool, 0); ut_ad(block); + ut_ad(buf_pool_from_block(block) == buf_pool); } fold = buf_page_address_fold(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - watch_page = buf_page_hash_get_low(space, offset, fold); - if (watch_page && !buf_pool_watch_is(watch_page)) { + watch_page = buf_page_hash_get_low(buf_pool, space, offset, fold); + if (watch_page && !buf_pool_watch_is_sentinel(buf_pool, watch_page)) { /* The page is already in the buffer pool. */ watch_page = NULL; err_exit: @@ -3187,6 +3584,8 @@ err_exit: bpage = &block->page; mutex_enter(&block->mutex); + ut_ad(buf_pool_from_bpage(bpage) == buf_pool); + buf_page_init(space, offset, fold, block); /* The block must be put to the LRU list, to the old blocks */ @@ -3207,16 +3606,16 @@ err_exit: if (UNIV_UNLIKELY(zip_size)) { page_zip_set_size(&block->page.zip, zip_size); - /* buf_pool_mutex may be released and + /* buf_pool->mutex may be released and reacquired by buf_buddy_alloc(). Thus, we must release block->mutex in order not to break the latching order in the reacquisition - of buf_pool_mutex. We also must defer this + of buf_pool->mutex. We also must defer this operation until after the block descriptor has been added to buf_pool->LRU and buf_pool->page_hash. */ mutex_exit(&block->mutex); - data = buf_buddy_alloc(zip_size, &lru); + data = buf_buddy_alloc(buf_pool, zip_size, &lru); mutex_enter(&block->mutex); block->page.zip.data = data; @@ -3240,21 +3639,28 @@ err_exit: control block (bpage), in order to avoid the invocation of buf_buddy_relocate_block() on uninitialized data. */ - data = buf_buddy_alloc(zip_size, &lru); - bpage = buf_buddy_alloc(sizeof *bpage, &lru); + data = buf_buddy_alloc(buf_pool, zip_size, &lru); + bpage = buf_buddy_alloc(buf_pool, sizeof *bpage, &lru); + + /* Initialize the buf_pool pointer. */ + bpage->buf_pool = buf_pool; /* If buf_buddy_alloc() allocated storage from the LRU list, - it released and reacquired buf_pool_mutex. Thus, we must + it released and reacquired buf_pool->mutex. Thus, we must check the page_hash again, as it may have been modified. */ if (UNIV_UNLIKELY(lru)) { - watch_page = buf_page_hash_get_low(space, offset, fold); - if (UNIV_UNLIKELY - (watch_page && !buf_pool_watch_is(watch_page))) { + + watch_page = buf_page_hash_get_low( + buf_pool, space, offset, fold); + + if (watch_page + && !buf_pool_watch_is_sentinel(buf_pool, + watch_page)) { /* The block was added by some other thread. */ watch_page = NULL; - buf_buddy_free(bpage, sizeof *bpage); - buf_buddy_free(data, zip_size); + buf_buddy_free(buf_pool, bpage, sizeof *bpage); + buf_buddy_free(buf_pool, data, zip_size); bpage = NULL; goto func_exit; @@ -3265,7 +3671,7 @@ err_exit: page_zip_set_size(&bpage->zip, zip_size); bpage->zip.data = data; - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); UNIV_MEM_DESC(bpage->zip.data, page_zip_get_size(&bpage->zip), bpage); @@ -3291,8 +3697,8 @@ err_exit: ulint buf_fix_count = watch_page->buf_fix_count; ut_a(buf_fix_count > 0); bpage->buf_fix_count += buf_fix_count; - ut_ad(buf_pool_watch_is(watch_page)); - buf_pool_watch_remove(fold, watch_page); + ut_ad(buf_pool_watch_is_sentinel(buf_pool, watch_page)); + buf_pool_watch_remove(buf_pool, fold, watch_page); } HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, @@ -3304,12 +3710,12 @@ err_exit: buf_page_set_io_fix(bpage, BUF_IO_READ); - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); } buf_pool->n_pend_reads++; func_exit: - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); if (mode == BUF_READ_IBUF_PAGES_ONLY) { @@ -3338,24 +3744,27 @@ buf_page_create( { buf_frame_t* frame; buf_block_t* block; + ulint fold; buf_block_t* free_block = NULL; ulint time_ms = ut_time_ms(); - ulint fold; + buf_pool_t* buf_pool = buf_pool_get(space, offset); ut_ad(mtr); ut_ad(mtr->state == MTR_ACTIVE); ut_ad(space || !zip_size); - free_block = buf_LRU_get_free_block(0); + free_block = buf_LRU_get_free_block(buf_pool, 0); fold = buf_page_address_fold(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - block = (buf_block_t*) buf_page_hash_get_low(space, offset, fold); + block = (buf_block_t*) buf_page_hash_get_low( + buf_pool, space, offset, fold); - if (block && buf_page_in_file(&block->page) - && !buf_pool_watch_is(&block->page)) { + if (block + && buf_page_in_file(&block->page) + && !buf_pool_watch_is_sentinel(buf_pool, &block->page)) { #ifdef UNIV_IBUF_COUNT_DEBUG ut_a(ibuf_count_get(space, offset) == 0); #endif @@ -3364,7 +3773,7 @@ buf_page_create( #endif /* UNIV_DEBUG_FILE_ACCESSES */ /* Page can be found in buf_pool */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_block_free(free_block); @@ -3398,7 +3807,7 @@ buf_page_create( ibool lru; /* Prevent race conditions during buf_buddy_alloc(), - which may release and reacquire buf_pool_mutex, + which may release and reacquire buf_pool->mutex, by IO-fixing and X-latching the block. */ buf_page_set_io_fix(&block->page, BUF_IO_READ); @@ -3406,13 +3815,13 @@ buf_page_create( page_zip_set_size(&block->page.zip, zip_size); mutex_exit(&block->mutex); - /* buf_pool_mutex may be released and reacquired by + /* buf_pool->mutex may be released and reacquired by buf_buddy_alloc(). Thus, we must release block->mutex in order not to break the latching order in - the reacquisition of buf_pool_mutex. We also must + the reacquisition of buf_pool->mutex. We also must defer this operation until after the block descriptor has been added to buf_pool->LRU and buf_pool->page_hash. */ - data = buf_buddy_alloc(zip_size, &lru); + data = buf_buddy_alloc(buf_pool, zip_size, &lru); mutex_enter(&block->mutex); block->page.zip.data = data; @@ -3430,7 +3839,7 @@ buf_page_create( buf_page_set_accessed(&block->page, time_ms); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); mtr_memo_push(mtr, block, MTR_MEMO_BUF_FIX); @@ -3442,7 +3851,7 @@ buf_page_create( ibuf_merge_or_delete_for_page(NULL, space, offset, zip_size, TRUE); /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); + buf_flush_free_margin(buf_pool); frame = block->frame; @@ -3478,6 +3887,7 @@ buf_page_io_complete( buf_page_t* bpage) /*!< in: pointer to the block in question */ { enum buf_io_fix io_type; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); const ibool uncompressed = (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); @@ -3613,7 +4023,7 @@ corrupt: } } - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); mutex_enter(buf_page_get_mutex(bpage)); #ifdef UNIV_IBUF_COUNT_DEBUG @@ -3677,22 +4087,57 @@ corrupt: #endif /* UNIV_DEBUG */ mutex_exit(buf_page_get_mutex(bpage)); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } /*********************************************************************//** -Invalidates the file pages in the buffer pool when an archive recovery is -completed. All the file pages buffered must be in a replaceable state when -this function is called: not latched and not modified. */ -UNIV_INTERN +Asserts that all file pages in the buffer are in a replaceable state. +@return TRUE */ +static +ibool +buf_all_freed_instance( +/*===================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instancce */ +{ + ulint i; + buf_chunk_t* chunk; + + ut_ad(buf_pool); + + buf_pool_mutex_enter(buf_pool); + + chunk = buf_pool->chunks; + + for (i = buf_pool->n_chunks; i--; chunk++) { + + const buf_block_t* block = buf_chunk_not_freed(chunk); + + if (UNIV_LIKELY_NULL(block)) { + fprintf(stderr, + "Page %lu %lu still fixed or dirty\n", + (ulong) block->page.space, + (ulong) block->page.offset); + ut_error; + } + } + + buf_pool_mutex_exit(buf_pool); + + return(TRUE); +} + +/*********************************************************************//** +Invalidates file pages in one buffer pool instance */ +static void -buf_pool_invalidate(void) -/*=====================*/ +buf_pool_invalidate_instance( +/*=========================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { ibool freed; enum buf_flush i; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); for (i = BUF_FLUSH_LRU; i < BUF_FLUSH_N_TYPES; i++) { @@ -3708,23 +4153,23 @@ buf_pool_invalidate(void) pool invalidation to proceed we must ensure there is NO write activity happening. */ if (buf_pool->n_flush[i] > 0) { - buf_pool_mutex_exit(); - buf_flush_wait_batch_end(i); - buf_pool_mutex_enter(); + buf_pool_mutex_exit(buf_pool); + buf_flush_wait_batch_end(buf_pool, i); + buf_pool_mutex_enter(buf_pool); } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); - ut_ad(buf_all_freed()); + ut_ad(buf_all_freed_instance(buf_pool)); freed = TRUE; while (freed) { - freed = buf_LRU_search_and_free_block(100); + freed = buf_LRU_search_and_free_block(buf_pool, 100); } - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); ut_ad(UT_LIST_GET_LEN(buf_pool->LRU) == 0); ut_ad(UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0); @@ -3735,19 +4180,36 @@ buf_pool_invalidate(void) buf_pool->LRU_flush_ended = 0; memset(&buf_pool->stat, 0x00, sizeof(buf_pool->stat)); - buf_refresh_io_stats(); + buf_refresh_io_stats(buf_pool); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); +} + +/*********************************************************************//** +Invalidates the file pages in the buffer pool when an archive recovery is +completed. All the file pages buffered must be in a replaceable state when +this function is called: not latched and not modified. */ +UNIV_INTERN +void +buf_pool_invalidate(void) +/*=====================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_invalidate_instance(buf_pool_from_array(i)); + } } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /*********************************************************************//** -Validates the buffer buf_pool data structure. +Validates data in one buffer pool instance @return TRUE */ -UNIV_INTERN +static ibool -buf_validate(void) -/*==============*/ +buf_pool_validate_instance( +/*=======================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { buf_page_t* b; buf_chunk_t* chunk; @@ -3762,7 +4224,7 @@ buf_validate(void) ut_ad(buf_pool); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); chunk = buf_pool->chunks; @@ -3787,7 +4249,8 @@ buf_validate(void) break; case BUF_BLOCK_FILE_PAGE: - ut_a(buf_page_hash_get(buf_block_get_space( + ut_a(buf_page_hash_get(buf_pool, + buf_block_get_space( block), buf_block_get_page_no( block)) @@ -3851,7 +4314,7 @@ buf_validate(void) } } - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); /* Check clean compressed-only blocks. */ @@ -3874,10 +4337,10 @@ buf_validate(void) } /* It is OK to read oldest_modification here because - we have acquired buf_pool_zip_mutex above which acts + we have acquired buf_pool->zip_mutex above which acts as the 'block->mutex' for these bpages. */ ut_a(!b->oldest_modification); - ut_a(buf_page_hash_get(b->space, b->offset) == b); + ut_a(buf_page_hash_get(buf_pool, b->space, b->offset) == b); n_lru++; n_zip++; @@ -3885,7 +4348,7 @@ buf_validate(void) /* Check dirty blocks. */ - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); @@ -3929,14 +4392,14 @@ buf_validate(void) ut_error; break; } - ut_a(buf_page_hash_get(b->space, b->offset) == b); + ut_a(buf_page_hash_get(buf_pool, b->space, b->offset) == b); } ut_a(UT_LIST_GET_LEN(buf_pool->flush_list) == n_flush); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); if (n_lru + n_free > buf_pool->curr_size + n_zip) { fprintf(stderr, "n LRU %lu, n free %lu, pool %lu zip %lu\n", @@ -3957,22 +4420,44 @@ buf_validate(void) ut_a(buf_pool->n_flush[BUF_FLUSH_LIST] == n_list_flush); ut_a(buf_pool->n_flush[BUF_FLUSH_LRU] == n_lru_flush); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); ut_a(buf_LRU_validate()); - ut_a(buf_flush_validate()); + ut_a(buf_flush_validate(buf_pool)); return(TRUE); } + +/*********************************************************************//** +Validates the buffer buf_pool data structure. +@return TRUE */ +UNIV_INTERN +ibool +buf_validate(void) +/*==============*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_pool_validate_instance(buf_pool); + } + return(TRUE); +} + #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /*********************************************************************//** -Prints info of the buffer buf_pool data structure. */ -UNIV_INTERN +Prints info of the buffer buf_pool data structure for one instance. */ +static void -buf_print(void) -/*===========*/ +buf_print_instance( +/*===============*/ + buf_pool_t* buf_pool) { dulint* index_ids; ulint* counts; @@ -3991,8 +4476,8 @@ buf_print(void) index_ids = mem_alloc(sizeof(dulint) * size); counts = mem_alloc(sizeof(ulint) * size); - buf_pool_mutex_enter(); - buf_flush_list_mutex_enter(); + buf_pool_mutex_enter(buf_pool); + buf_flush_list_mutex_enter(buf_pool); fprintf(stderr, "buf_pool size %lu\n" @@ -4019,7 +4504,7 @@ buf_print(void) (ulong) buf_pool->stat.n_pages_created, (ulong) buf_pool->stat.n_pages_written); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); /* Count the number of blocks belonging to each index in the buffer */ @@ -4061,7 +4546,7 @@ buf_print(void) } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); for (i = 0; i < n_found; i++) { index = dict_index_get_if_in_cache(index_ids[i]); @@ -4082,7 +4567,24 @@ buf_print(void) mem_free(index_ids); mem_free(counts); - ut_a(buf_validate()); + ut_a(buf_pool_validate_instance(buf_pool)); +} + +/*********************************************************************//** +Prints info of the buffer buf_pool data structure. */ +UNIV_INTERN +void +buf_print(void) +/*===========*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_print_instance(buf_pool); + } } #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ @@ -4092,15 +4594,16 @@ Returns the number of latched pages in the buffer pool. @return number of latched pages */ UNIV_INTERN ulint -buf_get_latched_pages_number(void) -/*==============================*/ +buf_get_latched_pages_number_instance( +/*==================================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { - buf_chunk_t* chunk; buf_page_t* b; ulint i; + buf_chunk_t* chunk; ulint fixed_pages_number = 0; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); chunk = buf_pool->chunks; @@ -4129,7 +4632,7 @@ buf_get_latched_pages_number(void) } } - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); /* Traverse the lists of clean and dirty compressed-only blocks. */ @@ -4144,7 +4647,7 @@ buf_get_latched_pages_number(void) } } - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b; b = UT_LIST_GET_NEXT(list, b)) { ut_ad(b->in_flush_list); @@ -4170,12 +4673,36 @@ buf_get_latched_pages_number(void) } } - buf_flush_list_mutex_exit(); - mutex_exit(&buf_pool_zip_mutex); - buf_pool_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); + mutex_exit(&buf_pool->zip_mutex); + buf_pool_mutex_exit(buf_pool); return(fixed_pages_number); } + +/*********************************************************************//** +Returns the number of latched pages in all the buffer pools. +@return number of latched pages */ +UNIV_INTERN +ulint +buf_get_latched_pages_number(void) +/*==============================*/ +{ + ulint i; + ulint total_latched_pages = 0; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + total_latched_pages += buf_get_latched_pages_number_instance( + buf_pool); + } + + return(total_latched_pages); +} + #endif /* UNIV_DEBUG */ /*********************************************************************//** @@ -4186,10 +4713,22 @@ ulint buf_get_n_pending_ios(void) /*=======================*/ { - return(buf_pool->n_pend_reads - + buf_pool->n_flush[BUF_FLUSH_LRU] - + buf_pool->n_flush[BUF_FLUSH_LIST] - + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); + ulint i; + ulint pend_ios = 0; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + pend_ios += + buf_pool->n_pend_reads + + buf_pool->n_flush[BUF_FLUSH_LRU] + + buf_pool->n_flush[BUF_FLUSH_LIST] + + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]; + } + + return(pend_ios); } /*********************************************************************//** @@ -4201,13 +4740,15 @@ ulint buf_get_modified_ratio_pct(void) /*============================*/ { - ulint ratio; + ulint ratio; + ulint lru_len = 0; + ulint free_len = 0; + ulint flush_list_len = 0; - /* This is for heuristics. No need to grab any mutex here. */ - ratio = (100 * UT_LIST_GET_LEN(buf_pool->flush_list)) - / (1 + UT_LIST_GET_LEN(buf_pool->LRU) - + UT_LIST_GET_LEN(buf_pool->free)); + buf_get_total_list_len(&lru_len, &free_len, &flush_list_len); + ratio = (100 * flush_list_len) / (1 + lru_len + free_len); + /* 1 + is there to avoid division by zero */ return(ratio); @@ -4217,9 +4758,10 @@ buf_get_modified_ratio_pct(void) Prints info of the buffer i/o. */ UNIV_INTERN void -buf_print_io( -/*=========*/ - FILE* file) /*!< in/out: buffer where to print */ +buf_print_io_instance( +/*==================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + FILE* file) /*!< in/out: buffer where to print */ { time_t current_time; double time_elapsed; @@ -4227,8 +4769,8 @@ buf_print_io( ut_ad(buf_pool); - buf_pool_mutex_enter(); - buf_flush_list_mutex_enter(); + buf_pool_mutex_enter(buf_pool); + buf_flush_list_mutex_enter(buf_pool); fprintf(file, "Buffer pool size %lu\n" @@ -4250,7 +4792,7 @@ buf_print_io( + buf_pool->init_flush[BUF_FLUSH_LIST], (ulong) buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); current_time = time(NULL); time_elapsed = 0.001 + difftime(current_time, @@ -4282,7 +4824,8 @@ buf_print_io( - buf_pool->old_stat.n_pages_written) / time_elapsed); - n_gets_diff = buf_pool->stat.n_page_gets - buf_pool->old_stat.n_page_gets; + n_gets_diff = buf_pool->stat.n_page_gets + - buf_pool->old_stat.n_page_gets; if (n_gets_diff) { fprintf(file, @@ -4326,56 +4869,81 @@ buf_print_io( buf_LRU_stat_sum.io, buf_LRU_stat_cur.io, buf_LRU_stat_sum.unzip, buf_LRU_stat_cur.unzip); - buf_refresh_io_stats(); - buf_pool_mutex_exit(); + buf_refresh_io_stats(buf_pool); + buf_pool_mutex_exit(buf_pool); +} + +/*********************************************************************//** +Prints info of the buffer i/o. */ +UNIV_INTERN +void +buf_print_io( +/*=========*/ + FILE* file) /*!< in/out: buffer where to print */ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_print_io_instance(buf_pool, file); + } } /**********************************************************************//** Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void -buf_refresh_io_stats(void) -/*======================*/ +buf_refresh_io_stats( +/*=================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { - buf_pool->last_printout_time = time(NULL); + buf_pool->last_printout_time = ut_time(); buf_pool->old_stat = buf_pool->stat; } -/*********************************************************************//** -Asserts that all file pages in the buffer are in a replaceable state. -@return TRUE */ +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +buf_refresh_io_stats_all(void) +/*==========================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_refresh_io_stats(buf_pool); + } +} + +/**********************************************************************//** +Check if all pages in all buffer pools are in a replacable state. +@return FALSE if not */ UNIV_INTERN ibool buf_all_freed(void) /*===============*/ { - buf_chunk_t* chunk; - ulint i; + ulint i; - ut_ad(buf_pool); + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; - buf_pool_mutex_enter(); + buf_pool = buf_pool_from_array(i); - chunk = buf_pool->chunks; - - for (i = buf_pool->n_chunks; i--; chunk++) { - - const buf_block_t* block = buf_chunk_not_freed(chunk); - - if (UNIV_LIKELY_NULL(block)) { - fprintf(stderr, - "Page %lu %lu still fixed or dirty\n", - (ulong) block->page.space, - (ulong) block->page.offset); - ut_error; + if (!buf_all_freed_instance(buf_pool)) { + return(FALSE); } - } - - buf_pool_mutex_exit(); + } return(TRUE); } - + /*********************************************************************//** Checks that there currently are no pending i/o-operations for the buffer pool. @@ -4385,23 +4953,32 @@ ibool buf_pool_check_no_pending_io(void) /*==============================*/ { - ibool ret; + ulint i; + ibool ret = TRUE; - buf_pool_mutex_enter(); + buf_pool_mutex_enter_all(); - if (buf_pool->n_pend_reads + buf_pool->n_flush[BUF_FLUSH_LRU] - + buf_pool->n_flush[BUF_FLUSH_LIST] - + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]) { - ret = FALSE; - } else { - ret = TRUE; + for (i = 0; i < srv_buf_pool_instances && ret; i++) { + const buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + if (buf_pool->n_pend_reads + + buf_pool->n_flush[BUF_FLUSH_LRU] + + buf_pool->n_flush[BUF_FLUSH_LIST] + + buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]) { + + ret = FALSE; + } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit_all(); return(ret); } +#if 0 +Code currently not used /*********************************************************************//** Gets the current length of the free list of buffer blocks. @return length of the free list */ @@ -4412,14 +4989,16 @@ buf_get_free_list_len(void) { ulint len; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); len = UT_LIST_GET_LEN(buf_pool->free); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(len); } +#endif + #else /* !UNIV_HOTBACKUP */ /********************************************************************//** Inits a page to the buffer buf_pool, for use in ibbackup --restore. */ diff --git a/buf/buf0flu.c b/buf/buf0flu.c index 847f8dd9452..bb126a35867 100644 --- a/buf/buf0flu.c +++ b/buf/buf0flu.c @@ -83,8 +83,9 @@ Validates the flush list. @return TRUE if ok */ static ibool -buf_flush_validate_low(void); -/*========================*/ +buf_flush_validate_low( +/*===================*/ + buf_pool_t* buf_pool); /*!< in: Buffer pool instance */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ /******************************************************************//** @@ -98,11 +99,12 @@ buf_flush_insert_in_flush_rbt( /*==========================*/ buf_page_t* bpage) /*!< in: bpage to be inserted. */ { - buf_page_t* prev = NULL; const ib_rbt_node_t* c_node; const ib_rbt_node_t* p_node; + buf_page_t* prev = NULL; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ut_ad(buf_flush_list_mutex_own()); + ut_ad(buf_flush_list_mutex_own(buf_pool)); /* Insert this buffer into the rbt. */ c_node = rbt_insert(buf_pool->flush_rbt, &bpage, &bpage); @@ -127,10 +129,10 @@ buf_flush_delete_from_flush_rbt( /*============================*/ buf_page_t* bpage) /*!< in: bpage to be removed. */ { + ibool ret = FALSE; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ibool ret = FALSE; - - ut_ad(buf_flush_list_mutex_own()); + ut_ad(buf_flush_list_mutex_own(buf_pool)); ret = rbt_delete(buf_pool->flush_rbt, &bpage); ut_ad(ret); @@ -156,22 +158,21 @@ buf_flush_block_cmp( int ret; const buf_page_t* b1 = *(const buf_page_t**) p1; const buf_page_t* b2 = *(const buf_page_t**) p2; +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(b1); +#endif /* UNIV_DEBUG */ ut_ad(b1 != NULL); ut_ad(b2 != NULL); - ut_ad(buf_flush_list_mutex_own()); + ut_ad(buf_flush_list_mutex_own(buf_pool)); ut_ad(b1->in_flush_list); ut_ad(b2->in_flush_list); - if (b2->oldest_modification - > b1->oldest_modification) { + if (b2->oldest_modification > b1->oldest_modification) { return(1); - } - - if (b2->oldest_modification - < b1->oldest_modification) { + } else if (b2->oldest_modification < b1->oldest_modification) { return(-1); } @@ -191,12 +192,21 @@ void buf_flush_init_flush_rbt(void) /*==========================*/ { - buf_flush_list_mutex_enter(); + ulint i; - /* Create red black tree for speedy insertions in flush list. */ - buf_pool->flush_rbt = rbt_create(sizeof(buf_page_t*), - buf_flush_block_cmp); - buf_flush_list_mutex_exit(); + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_flush_list_mutex_enter(buf_pool); + + /* Create red black tree for speedy insertions in flush list. */ + buf_pool->flush_rbt = rbt_create( + sizeof(buf_page_t*), buf_flush_block_cmp); + + buf_flush_list_mutex_exit(buf_pool); + } } /********************************************************************//** @@ -206,16 +216,24 @@ void buf_flush_free_flush_rbt(void) /*==========================*/ { - buf_flush_list_mutex_enter(); + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_flush_list_mutex_enter(buf_pool); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); + ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - rbt_free(buf_pool->flush_rbt); - buf_pool->flush_rbt = NULL; + rbt_free(buf_pool->flush_rbt); + buf_pool->flush_rbt = NULL; - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); + } } /********************************************************************//** @@ -224,14 +242,15 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn) /*!< in: oldest modification */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ { - ut_ad(!buf_pool_mutex_own()); - ut_ad(buf_flush_order_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); + ut_ad(log_flush_order_mutex_own()); ut_ad(mutex_own(&block->mutex)); - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL) || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification @@ -240,8 +259,8 @@ buf_flush_insert_into_flush_list( /* If we are in the recovery then we need to update the flush red-black tree as well. */ if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { - buf_flush_list_mutex_exit(); - buf_flush_insert_sorted_into_flush_list(block, lsn); + buf_flush_list_mutex_exit(buf_pool); + buf_flush_insert_sorted_into_flush_list(buf_pool, block, lsn); return; } @@ -253,10 +272,10 @@ buf_flush_insert_into_flush_list( UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); + ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); } /********************************************************************//** @@ -267,18 +286,19 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn) /*!< in: oldest modification */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn) /*!< in: oldest modification */ { buf_page_t* prev_b; buf_page_t* b; - ut_ad(!buf_pool_mutex_own()); - ut_ad(buf_flush_order_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); + ut_ad(log_flush_order_mutex_own()); ut_ad(mutex_own(&block->mutex)); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); /* The field in_LRU_list is protected by buf_pool_mutex, which we are not holding. However, while a block is in the flush @@ -332,10 +352,10 @@ buf_flush_insert_sorted_into_flush_list( } #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); + ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); } /********************************************************************//** @@ -349,7 +369,10 @@ buf_flush_ready_for_replace( buf_page_t* bpage) /*!< in: buffer control block, must be buf_page_in_file(bpage) and in the LRU list */ { - ut_ad(buf_pool_mutex_own()); +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(bpage->in_LRU_list); @@ -382,8 +405,11 @@ buf_flush_ready_for_flush( buf_page_in_file(bpage) */ enum buf_flush flush_type)/*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(flush_type == BUF_FLUSH_LRU || BUF_FLUSH_LIST); @@ -416,15 +442,17 @@ buf_flush_remove( /*=============*/ buf_page_t* bpage) /*!< in: pointer to the block in question */ { - ut_ad(buf_pool_mutex_own()); + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(bpage->in_flush_list); - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: - /* clean compressed pages should not be on the flush list */ + /* Clean compressed pages should not be on the flush list */ case BUF_BLOCK_ZIP_FREE: case BUF_BLOCK_NOT_USED: case BUF_BLOCK_READY_FOR_USE: @@ -442,7 +470,7 @@ buf_flush_remove( break; } - /* If the flush_rbt is active then delete from it as well. */ + /* If the flush_rbt is active then delete from there as well. */ if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { buf_flush_delete_from_flush_rbt(bpage); } @@ -454,18 +482,18 @@ buf_flush_remove( bpage->oldest_modification = 0; #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); + ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); } /*******************************************************************//** Relocates a buffer control block on the flush_list. -Note that it is assumed that the contents of bpage has already been +Note that it is assumed that the contents of bpage have already been copied to dpage. IMPORTANT: When this function is called bpage and dpage are not -exact copy of each other. For example, they both will have different +exact copies of each other. For example, they both will have different ::state. Also the ::list pointers in dpage may be stale. We need to use the current list node (bpage) to do the list manipulation because the list pointers could have changed between the time that we copied @@ -478,17 +506,20 @@ buf_flush_relocate_on_flush_list( buf_page_t* bpage, /*!< in/out: control block being moved */ buf_page_t* dpage) /*!< in/out: destination block */ { - buf_page_t* prev; - buf_page_t* prev_b = NULL; + buf_page_t* prev; + buf_page_t* prev_b = NULL; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); + /* Must reside in the same buffer pool. */ + ut_ad(buf_pool == buf_pool_from_bpage(dpage)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); /* FIXME: At this point we have both buf_pool and flush_list - mutexes. Theoratically removal of a block from flush list is + mutexes. Theoretically removal of a block from flush list is only covered by flush_list mutex but currently we do have buf_pool mutex in buf_flush_remove() therefore this block is guaranteed to be in the flush list. We need to check if @@ -529,10 +560,10 @@ buf_flush_relocate_on_flush_list( ut_a(!buf_pool->flush_rbt || prev_b == prev); #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG - ut_a(buf_flush_validate_low()); + ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); } /********************************************************************//** @@ -544,6 +575,7 @@ buf_flush_write_complete( buf_page_t* bpage) /*!< in: pointer to the block in question */ { enum buf_flush flush_type; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); ut_ad(bpage); @@ -564,8 +596,8 @@ buf_flush_write_complete( /* fprintf(stderr, "n pending flush %lu\n", buf_pool->n_flush[flush_type]); */ - if ((buf_pool->n_flush[flush_type] == 0) - && (buf_pool->init_flush[flush_type] == FALSE)) { + if (buf_pool->n_flush[flush_type] == 0 + && buf_pool->init_flush[flush_type] == FALSE) { /* The running flush batch has ended */ @@ -979,6 +1011,10 @@ buf_flush_write_block_low( /*======================*/ buf_page_t* bpage) /*!< in: buffer block to write */ { +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(!buf_pool_mutex_own(buf_pool)); +#endif ulint zip_size = buf_page_get_zip_size(bpage); page_t* frame = NULL; #ifdef UNIV_LOG_DEBUG @@ -992,8 +1028,8 @@ buf_flush_write_block_low( io_fixed and oldest_modification != 0. Thus, it cannot be relocated in the buffer pool or removed from flush_list or LRU_list. */ - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); + ut_ad(!buf_flush_list_mutex_own(buf_pool)); ut_ad(!mutex_own(buf_page_get_mutex(bpage))); ut_ad(buf_page_get_io_fix(bpage) == BUF_IO_WRITE); ut_ad(bpage->oldest_modification != 0); @@ -1062,13 +1098,14 @@ buf_flush_write_block_low( Writes a flushable page asynchronously from the buffer pool to a file. NOTE: in simulated aio we must call os_aio_simulated_wake_handler_threads after we have posted a batch of -writes! NOTE: buf_pool_mutex and buf_page_get_mutex(bpage) must be +writes! NOTE: buf_pool->mutex and buf_page_get_mutex(bpage) must be held upon entering this function, and they will be released by this function. */ static void buf_flush_page( /*===========*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ buf_page_t* bpage, /*!< in: buffer control block */ enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ @@ -1077,7 +1114,7 @@ buf_flush_page( ibool is_uncompressed; ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(buf_page_in_file(bpage)); block_mutex = buf_page_get_mutex(bpage); @@ -1097,7 +1134,7 @@ buf_flush_page( buf_pool->n_flush[flush_type]++; is_uncompressed = (buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); - ut_ad(is_uncompressed == (block_mutex != &buf_pool_zip_mutex)); + ut_ad(is_uncompressed == (block_mutex != &buf_pool->zip_mutex)); switch (flush_type) { ibool is_s_latched; @@ -1113,7 +1150,7 @@ buf_flush_page( } mutex_exit(block_mutex); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); /* Even though bpage is not protected by any mutex at this point, it is safe to access bpage, because it is @@ -1150,7 +1187,7 @@ buf_flush_page( immediately. */ mutex_exit(block_mutex); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); break; default: @@ -1184,13 +1221,13 @@ buf_flush_try_neighbors( enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ { - buf_page_t* bpage; - ulint low, high; - ulint count = 0; ulint i; + ulint low; + ulint high; + ulint count = 0; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - ut_ad(flush_type == BUF_FLUSH_LRU - || flush_type == BUF_FLUSH_LIST); + ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); if (UT_LIST_GET_LEN(buf_pool->LRU) < BUF_LRU_OLD_MIN_LEN) { /* If there is little space, it is better not to flush @@ -1203,8 +1240,11 @@ buf_flush_try_neighbors( neighborhoods of this size, and flushed along with the original page. */ - ulint buf_flush_area = ut_min(BUF_READ_AHEAD_AREA, - buf_pool->curr_size / 16); + ulint buf_flush_area; + + buf_flush_area = ut_min( + BUF_READ_AHEAD_AREA(buf_pool), + buf_pool->curr_size / 16); low = (offset / buf_flush_area) * buf_flush_area; high = (offset / buf_flush_area + 1) * buf_flush_area; @@ -1216,14 +1256,20 @@ buf_flush_try_neighbors( high = fil_space_get_size(space); } - buf_pool_mutex_enter(); - for (i = low; i < high; i++) { - bpage = buf_page_hash_get(space, i); + buf_page_t* bpage; + + buf_pool = buf_pool_get(space, i); + + buf_pool_mutex_enter(buf_pool); + + /* We only want to flush pages from this buffer pool. */ + bpage = buf_page_hash_get(buf_pool, space, i); if (!bpage) { + buf_pool_mutex_exit(buf_pool); continue; } @@ -1250,19 +1296,18 @@ buf_flush_try_neighbors( doublewrite buffer before we start waiting. */ - buf_flush_page(bpage, flush_type); + buf_flush_page(buf_pool, bpage, flush_type); ut_ad(!mutex_own(block_mutex)); + ut_ad(!buf_pool_mutex_own(buf_pool)); count++; - - buf_pool_mutex_enter(); + continue; } else { mutex_exit(block_mutex); } } + buf_pool_mutex_exit(buf_pool); } - buf_pool_mutex_exit(); - return(count); } @@ -1285,10 +1330,13 @@ buf_flush_page_and_try_neighbors( ulint* count) /*!< in/out: number of pages flushed */ { - ibool flushed = FALSE; mutex_t* block_mutex; + ibool flushed = FALSE; +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); +#endif /* UNIV_DEBUG */ - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); block_mutex = buf_page_get_mutex(bpage); mutex_enter(block_mutex); @@ -1296,10 +1344,13 @@ buf_flush_page_and_try_neighbors( ut_a(buf_page_in_file(bpage)); if (buf_flush_ready_for_flush(bpage, flush_type)) { - ulint space; - ulint offset; + ulint space; + ulint offset; + buf_pool_t* buf_pool; - buf_pool_mutex_exit(); + buf_pool = buf_pool_from_bpage(bpage); + + buf_pool_mutex_exit(buf_pool); /* These fields are protected by both the buffer pool mutex and block mutex. */ @@ -1309,16 +1360,15 @@ buf_flush_page_and_try_neighbors( mutex_exit(block_mutex); /* Try to flush also all the neighbors */ - *count += buf_flush_try_neighbors(space, offset, - flush_type); + *count += buf_flush_try_neighbors(space, offset, flush_type); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); flushed = TRUE; } else { mutex_exit(block_mutex); } - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); return(flushed); } @@ -1333,12 +1383,13 @@ static ulint buf_flush_LRU_list_batch( /*=====================*/ - ulint max) /*!< in: max of blocks to flush */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint max) /*!< in: max of blocks to flush */ { buf_page_t* bpage; ulint count = 0; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); do { /* Start from the end of the list looking for a @@ -1360,7 +1411,7 @@ buf_flush_LRU_list_batch( should be flushed, we factor in this value. */ buf_lru_flush_page_count += count; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); return(count); } @@ -1375,6 +1426,7 @@ static ulint buf_flush_flush_list_batch( /*=======================*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ ulint min_n, /*!< in: wished minimum mumber of blocks flushed (it is not guaranteed that the actual @@ -1389,16 +1441,16 @@ buf_flush_flush_list_batch( buf_page_t* bpage; ulint count = 0; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); /* If we have flushed enough, leave the loop */ do { /* Start from the end of the list looking for a suitable block to be flushed. */ - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); - /* We use len here because theoratically insertions can + /* We use len here because theoretically insertions can happen in the flush_list below while we are traversing it for a suitable candidate for flushing. We'd like to set a limit on how farther we are willing to traverse @@ -1410,11 +1462,10 @@ buf_flush_flush_list_batch( ut_a(bpage->oldest_modification > 0); } - if (!bpage || bpage->oldest_modification >= lsn_limit) { /* We have flushed enough */ - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); break; } @@ -1422,7 +1473,7 @@ buf_flush_flush_list_batch( ut_ad(bpage->in_flush_list); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); /* The list may change during the flushing and we cannot safely preserve within this function a pointer to a @@ -1432,12 +1483,11 @@ buf_flush_flush_list_batch( && !buf_flush_page_and_try_neighbors( bpage, BUF_FLUSH_LIST, &count)) { - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); - /* If we are here that means that buf_pool - mutex was not released in - buf_flush_page_and_try_neighbors() above and - this guarantees that bpage didn't get + /* If we are here that means that buf_pool->mutex + was not released in buf_flush_page_and_try_neighbors() + above and this guarantees that bpage didn't get relocated since we released the flush_list mutex above. There is a chance, however, that the bpage got removed from flush_list (not @@ -1447,21 +1497,22 @@ buf_flush_flush_list_batch( the oldest_modification and if it is zero we start all over again. */ if (bpage->oldest_modification == 0) { - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); break; } + bpage = UT_LIST_GET_PREV(list, bpage); ut_ad(!bpage || bpage->in_flush_list); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); --len; } } while (count < min_n && bpage != NULL && len > 0); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); return(count); } @@ -1474,10 +1525,11 @@ end up waiting for these latches! NOTE 2: in the case of a flush list flush, the calling thread is not allowed to own any latches on pages! @return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ -UNIV_INTERN +static ulint buf_flush_batch( /*============*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST; if BUF_FLUSH_LIST, then the caller must not own any @@ -1485,59 +1537,36 @@ buf_flush_batch( ulint min_n, /*!< in: wished minimum mumber of blocks flushed (it is not guaranteed that the actual number is that big, though) */ - ib_uint64_t lsn_limit) /*!< in the case BUF_FLUSH_LIST all - blocks whose oldest_modification is + ib_uint64_t lsn_limit) /*!< in: in the case of BUF_FLUSH_LIST + all blocks whose oldest_modification is smaller than this should be flushed (if their number does not exceed min_n), otherwise ignored */ { ulint count = 0; - ut_ad(flush_type == BUF_FLUSH_LRU - || flush_type == BUF_FLUSH_LIST); + ut_ad(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); #ifdef UNIV_SYNC_DEBUG ut_ad((flush_type != BUF_FLUSH_LIST) || sync_thread_levels_empty_gen(TRUE)); #endif /* UNIV_SYNC_DEBUG */ - buf_pool_mutex_enter(); - if (buf_pool->n_flush[flush_type] > 0 - || buf_pool->init_flush[flush_type] == TRUE) { - - /* There is already a flush batch of the same type running */ - - buf_pool_mutex_exit(); - - return(ULINT_UNDEFINED); - } - - buf_pool->init_flush[flush_type] = TRUE; + buf_pool_mutex_enter(buf_pool); /* Note: The buffer pool mutex is released and reacquired within the flush functions. */ switch(flush_type) { case BUF_FLUSH_LRU: - count = buf_flush_LRU_list_batch(min_n); + count = buf_flush_LRU_list_batch(buf_pool, min_n); break; case BUF_FLUSH_LIST: - count = buf_flush_flush_list_batch(min_n, lsn_limit); + count = buf_flush_flush_list_batch(buf_pool, min_n, lsn_limit); break; default: ut_error; } - ut_ad(buf_pool_mutex_own()); - - buf_pool->init_flush[flush_type] = FALSE; - - if (buf_pool->n_flush[flush_type] == 0) { - - /* The running flush batch has ended */ - - os_event_set(buf_pool->no_flush[flush_type]); - } - - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_flush_buffered_writes(); @@ -1555,19 +1584,208 @@ buf_flush_batch( return(count); } +/******************************************************************//** +Gather the aggregated stats for both flush list and LRU list flushing */ +static +void +buf_flush_common( +/*=============*/ + enum buf_flush flush_type, /*!< in: type of flush */ + ulint page_count) /*!< in: number of pages flushed */ +{ + buf_flush_buffered_writes(); + + ut_a(flush_type == BUF_FLUSH_LRU || flush_type == BUF_FLUSH_LIST); + +#ifdef UNIV_DEBUG + if (buf_debug_prints && page_count > 0) { + fprintf(stderr, flush_type == BUF_FLUSH_LRU + ? "Flushed %lu pages in LRU flush\n" + : "Flushed %lu pages in flush list flush\n", + (ulong) page_count); + } +#endif /* UNIV_DEBUG */ + + srv_buf_pool_flushed += page_count; + + if (flush_type == BUF_FLUSH_LRU) { + /* We keep track of all flushes happening as part of LRU + flush. When estimating the desired rate at which flush_list + should be flushed we factor in this value. */ + buf_lru_flush_page_count += page_count; + } +} + +/******************************************************************//** +Start a buffer flush batch for LRU or flush list */ +static +ibool +buf_flush_start( +/*============*/ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ +{ + buf_pool_mutex_enter(buf_pool); + + if (buf_pool->n_flush[flush_type] > 0 + || buf_pool->init_flush[flush_type] == TRUE) { + + /* There is already a flush batch of the same type running */ + + buf_pool_mutex_exit(buf_pool); + + return(FALSE); + } + + buf_pool->init_flush[flush_type] = TRUE; + + buf_pool_mutex_exit(buf_pool); + + return(TRUE); +} + +/******************************************************************//** +End a buffer flush batch for LRU or flush list */ +static +void +buf_flush_end( +/*==========*/ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + enum buf_flush flush_type) /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ +{ + buf_pool_mutex_enter(buf_pool); + + buf_pool->init_flush[flush_type] = FALSE; + + if (buf_pool->n_flush[flush_type] == 0) { + + /* The running flush batch has ended */ + + os_event_set(buf_pool->no_flush[flush_type]); + } + + buf_pool_mutex_exit(buf_pool); +} + /******************************************************************//** Waits until a flush batch of the given type ends */ UNIV_INTERN void buf_flush_wait_batch_end( /*=====================*/ - enum buf_flush type) /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + enum buf_flush type) /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ { - ut_ad((type == BUF_FLUSH_LRU) || (type == BUF_FLUSH_LIST)); + ut_ad(type == BUF_FLUSH_LRU || type == BUF_FLUSH_LIST); - os_event_wait(buf_pool->no_flush[type]); + if (buf_pool == NULL) { + ulint i; + + for (i = 0; i < srv_buf_pool_instances; ++i) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + os_event_wait(buf_pool->no_flush[type]); + } + } else { + os_event_wait(buf_pool->no_flush[type]); + } } +/*******************************************************************//** +This utility flushes dirty blocks from the end of the LRU list. +NOTE: The calling thread may own latches to pages: to avoid deadlocks, +this function must be written so that it cannot end up waiting for these +latches! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ +UNIV_INTERN +ulint +buf_flush_LRU( +/*==========*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint min_n) /*!< in: wished minimum mumber of blocks + flushed (it is not guaranteed that the + actual number is that big, though) */ +{ + ulint page_count; + + if (!buf_flush_start(buf_pool, BUF_FLUSH_LRU)) { + return(ULINT_UNDEFINED); + } + + page_count = buf_flush_batch(buf_pool, BUF_FLUSH_LRU, min_n, 0); + + buf_flush_end(buf_pool, BUF_FLUSH_LRU); + + buf_flush_common(BUF_FLUSH_LRU, page_count); + + return(page_count); +} + +/*******************************************************************//** +This utility flushes dirty blocks from the end of the flush list of +all buffer pool instances. +NOTE: The calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ +UNIV_INTERN +ulint +buf_flush_list( +/*===========*/ + ulint min_n, /*!< in: wished minimum mumber of blocks + flushed (it is not guaranteed that the + actual number is that big, though) */ + ib_uint64_t lsn_limit) /*!< in the case BUF_FLUSH_LIST all + blocks whose oldest_modification is + smaller than this should be flushed + (if their number does not exceed + min_n), otherwise ignored */ +{ + ulint i; + ulint total_page_count = 0; + + if (min_n != ULINT_MAX) { + /* Ensure that flushing is spread evenly amongst the + buffer pool instances. When min_n is ULINT_MAX + we need to flush everything up to the lsn limit + so no limit here. */ + min_n = (min_n + srv_buf_pool_instances - 1) + / srv_buf_pool_instances; + } + + /* We use buffer pool instance 0 to control start and end of + flushing of the flush list since we always flush all instances + at once in this case. */ + + /* Flush to lsn_limit in all buffer pool instances */ + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + ulint page_count = 0; + + buf_pool = buf_pool_from_array(i); + + if (!buf_flush_start(buf_pool, BUF_FLUSH_LIST)) { + continue; + } + + page_count = buf_flush_batch( + buf_pool, BUF_FLUSH_LIST, min_n, lsn_limit); + + buf_flush_end(buf_pool, BUF_FLUSH_LIST); + + buf_flush_common(BUF_FLUSH_LIST, page_count); + + total_page_count += page_count; + } + + return(total_page_count); +} + /******************************************************************//** Gives a recommendation of how many blocks should be flushed to establish a big enough margin of replaceable blocks near the end of the LRU list @@ -1576,23 +1794,24 @@ and in the free list. LRU list */ static ulint -buf_flush_LRU_recommendation(void) -/*==============================*/ +buf_flush_LRU_recommendation( +/*=========================*/ + buf_pool_t* buf_pool) /*!< in: Buffer pool instance */ { buf_page_t* bpage; ulint n_replaceable; ulint distance = 0; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); n_replaceable = UT_LIST_GET_LEN(buf_pool->free); bpage = UT_LIST_GET_LAST(buf_pool->LRU); while ((bpage != NULL) - && (n_replaceable < BUF_FLUSH_FREE_BLOCK_MARGIN - + BUF_FLUSH_EXTRA_MARGIN) - && (distance < BUF_LRU_FREE_SEARCH_LEN)) { + && (n_replaceable < BUF_FLUSH_FREE_BLOCK_MARGIN(buf_pool) + + BUF_FLUSH_EXTRA_MARGIN(buf_pool)) + && (distance < BUF_LRU_FREE_SEARCH_LEN(buf_pool))) { mutex_t* block_mutex = buf_page_get_mutex(bpage); @@ -1609,14 +1828,15 @@ buf_flush_LRU_recommendation(void) bpage = UT_LIST_GET_PREV(LRU, bpage); } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); - if (n_replaceable >= BUF_FLUSH_FREE_BLOCK_MARGIN) { + if (n_replaceable >= BUF_FLUSH_FREE_BLOCK_MARGIN(buf_pool)) { return(0); } - return(BUF_FLUSH_FREE_BLOCK_MARGIN + BUF_FLUSH_EXTRA_MARGIN + return(BUF_FLUSH_FREE_BLOCK_MARGIN(buf_pool) + + BUF_FLUSH_EXTRA_MARGIN(buf_pool) - n_replaceable); } @@ -1628,25 +1848,46 @@ flush only pages such that the s-lock required for flushing can be acquired immediately, without waiting. */ UNIV_INTERN void -buf_flush_free_margin(void) -/*=======================*/ +buf_flush_free_margin( +/*==================*/ + buf_pool_t* buf_pool) /*!< in: Buffer pool instance */ { ulint n_to_flush; - ulint n_flushed; - n_to_flush = buf_flush_LRU_recommendation(); + n_to_flush = buf_flush_LRU_recommendation(buf_pool); if (n_to_flush > 0) { - n_flushed = buf_flush_batch(BUF_FLUSH_LRU, n_to_flush, 0); + ulint n_flushed; + + n_flushed = buf_flush_LRU(buf_pool, n_to_flush); + if (n_flushed == ULINT_UNDEFINED) { /* There was an LRU type flush batch already running; let us wait for it to end */ - buf_flush_wait_batch_end(BUF_FLUSH_LRU); + buf_flush_wait_batch_end(buf_pool, BUF_FLUSH_LRU); } } } +/*********************************************************************//** +Flushes pages from the end of all the LRU lists. */ +UNIV_INTERN +void +buf_flush_free_margins(void) +/*========================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + buf_flush_free_margin(buf_pool); + } +} + /********************************************************************* Update the historical stats that we are collecting for flush rate heuristics at the end of each interval. @@ -1707,22 +1948,28 @@ ulint buf_flush_get_desired_flush_rate(void) /*==================================*/ { - ulint redo_avg; - ulint lru_flush_avg; - ulint n_dirty; - ulint n_flush_req; - lint rate; - ib_uint64_t lsn = log_get_lsn(); - ulint log_capacity = log_get_capacity(); + ulint i; + lint rate; + ulint redo_avg; + ulint n_dirty = 0; + ulint n_flush_req; + ulint lru_flush_avg; + ib_uint64_t lsn = log_get_lsn(); + ulint log_capacity = log_get_capacity(); /* log_capacity should never be zero after the initialization of log subsystem. */ ut_ad(log_capacity != 0); /* Get total number of dirty pages. It is OK to access - flush_list without holding any mtex as we are using this + flush_list without holding any mutex as we are using this only for heuristics. */ - n_dirty = UT_LIST_GET_LEN(buf_pool->flush_list); + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + n_dirty += UT_LIST_GET_LEN(buf_pool->flush_list); + } /* An overflow can happen if we generate more than 2^32 bytes of redo in this interval i.e.: 4G of redo in 1 second. We can @@ -1764,13 +2011,14 @@ Validates the flush list. @return TRUE if ok */ static ibool -buf_flush_validate_low(void) -/*========================*/ +buf_flush_validate_low( +/*===================*/ + buf_pool_t* buf_pool) /*!< in: Buffer pool instance */ { buf_page_t* bpage; const ib_rbt_node_t* rnode = NULL; - ut_ad(buf_flush_list_mutex_own()); + ut_ad(buf_flush_list_mutex_own(buf_pool)); UT_LIST_VALIDATE(list, buf_page_t, buf_pool->flush_list, ut_ad(ut_list_node_313->in_flush_list)); @@ -1786,6 +2034,9 @@ buf_flush_validate_low(void) while (bpage != NULL) { const ib_uint64_t om = bpage->oldest_modification; + + ut_ad(buf_pool_from_bpage(bpage) == buf_pool); + ut_ad(bpage->in_flush_list); /* A page in flush_list can be in BUF_BLOCK_REMOVE_HASH @@ -1795,14 +2046,15 @@ buf_flush_validate_low(void) waiting to acquire the flush_list_mutex to complete the relocation. */ ut_a(buf_page_in_file(bpage) - || buf_page_get_state(bpage) - == BUF_BLOCK_REMOVE_HASH); + || buf_page_get_state(bpage) == BUF_BLOCK_REMOVE_HASH); ut_a(om > 0); if (UNIV_LIKELY_NULL(buf_pool->flush_rbt)) { + buf_page_t* rpage; + ut_a(rnode); - buf_page_t* rpage = *rbt_value(buf_page_t*, - rnode); + rpage = *rbt_value(buf_page_t*, rnode); + ut_a(rpage); ut_a(rpage == bpage); rnode = rbt_next(buf_pool->flush_rbt, rnode); @@ -1825,16 +2077,17 @@ Validates the flush list. @return TRUE if ok */ UNIV_INTERN ibool -buf_flush_validate(void) -/*====================*/ +buf_flush_validate( +/*===============*/ + buf_pool_t* buf_pool) /*!< buffer pool instance */ { ibool ret; - buf_flush_list_mutex_enter(); + buf_flush_list_mutex_enter(buf_pool); - ret = buf_flush_validate_low(); + ret = buf_flush_validate_low(buf_pool); - buf_flush_list_mutex_exit(); + buf_flush_list_mutex_exit(buf_pool); return(ret); } diff --git a/buf/buf0lru.c b/buf/buf0lru.c index c7feb3ae79b..6a4c18aa86e 100644 --- a/buf/buf0lru.c +++ b/buf/buf0lru.c @@ -50,7 +50,7 @@ Created 11/5/1995 Heikki Tuuri #include "srv0srv.h" /** The number of blocks from the LRU_old pointer onward, including -the block pointed to, must be buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV +the block pointed to, must be buf_pool->LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the whole LRU list length, except that the tolerance defined below is allowed. Note that the tolerance must be small enough such that for even the BUF_LRU_OLD_MIN_LEN long LRU list, the LRU_old pointer is not @@ -96,8 +96,9 @@ with page_zip_decompress() operations. */ #define BUF_LRU_IO_TO_UNZIP_FACTOR 50 /** Sampled values buf_LRU_stat_cur. -Protected by buf_pool_mutex. Updated by buf_LRU_stat_update(). */ +Not protected by any mutex. Updated by buf_LRU_stat_update(). */ static buf_LRU_stat_t buf_LRU_stat_arr[BUF_LRU_STAT_N_INTERVAL]; + /** Cursor to buf_LRU_stat_arr[] that is updated in a round-robin fashion. */ static ulint buf_LRU_stat_arr_ind; @@ -106,15 +107,12 @@ by buf_LRU_stat_update(). */ UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_cur; /** Running sum of past values of buf_LRU_stat_cur. -Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +Updated by buf_LRU_stat_update(). Not Protected by any mutex. */ UNIV_INTERN buf_LRU_stat_t buf_LRU_stat_sum; /* @} */ /** @name Heuristics for detecting index scan @{ */ -/** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for -"old" blocks. Protected by buf_pool_mutex. */ -UNIV_INTERN uint buf_LRU_old_ratio; /** Move blocks to "new" LRU list only if the first access was at least this many milliseconds ago. Not protected by any mutex or latch. */ UNIV_INTERN uint buf_LRU_old_threshold_ms; @@ -123,7 +121,7 @@ UNIV_INTERN uint buf_LRU_old_threshold_ms; /******************************************************************//** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), -the object will be freed and buf_pool_zip_mutex will be released. +the object will be freed and buf_pool->zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be @@ -154,13 +152,14 @@ instead of the general LRU list. @return TRUE if should use unzip_LRU */ UNIV_INLINE ibool -buf_LRU_evict_from_unzip_LRU(void) -/*==============================*/ +buf_LRU_evict_from_unzip_LRU( +/*=========================*/ + buf_pool_t* buf_pool) { ulint io_avg; ulint unzip_avg; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); /* If the unzip_LRU list is empty, we can only use the LRU. */ if (UT_LIST_GET_LEN(buf_pool->unzip_LRU) == 0) { @@ -228,7 +227,8 @@ static void buf_LRU_drop_page_hash_for_tablespace( /*==================================*/ - ulint id) /*!< in: space id */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint id) /*!< in: space id */ { buf_page_t* bpage; ulint* page_arr; @@ -243,9 +243,10 @@ buf_LRU_drop_page_hash_for_tablespace( return; } - page_arr = ut_malloc(sizeof(ulint) - * BUF_LRU_DROP_SEARCH_HASH_SIZE); - buf_pool_mutex_enter(); + page_arr = ut_malloc( + sizeof(ulint) * BUF_LRU_DROP_SEARCH_HASH_SIZE); + + buf_pool_mutex_enter(buf_pool); scan_again: num_entries = 0; @@ -283,14 +284,17 @@ scan_again: if (num_entries < BUF_LRU_DROP_SEARCH_HASH_SIZE) { goto next_page; } - /* Array full. We release the buf_pool_mutex to - obey the latching order. */ - buf_pool_mutex_exit(); - buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, - num_entries); + /* Array full. We release the buf_pool->mutex to + obey the latching order. */ + buf_pool_mutex_exit(buf_pool); + + buf_LRU_drop_page_hash_batch( + id, zip_size, page_arr, num_entries); + num_entries = 0; - buf_pool_mutex_enter(); + + buf_pool_mutex_enter(buf_pool); } else { mutex_exit(block_mutex); } @@ -315,7 +319,7 @@ next_page: } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); /* Drop any remaining batch of search hashed pages. */ buf_LRU_drop_page_hash_batch(id, zip_size, page_arr, num_entries); @@ -323,27 +327,21 @@ next_page: } /******************************************************************//** -Invalidates all pages belonging to a given tablespace when we are deleting -the data file(s) of that tablespace. */ -UNIV_INTERN +Invalidates all pages belonging to a given tablespace inside a specific +buffer pool instance when we are deleting the data file(s) of that +tablespace. */ +static void -buf_LRU_invalidate_tablespace( -/*==========================*/ - ulint id) /*!< in: space id */ +buf_LRU_invalidate_tablespace_buf_pool_instance( +/*============================================*/ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + ulint id) /*!< in: space id */ { buf_page_t* bpage; ibool all_freed; - /* Before we attempt to drop pages one by one we first - attempt to drop page hash index entries in batches to make - it more efficient. The batching attempt is a best effort - attempt and does not guarantee that all pages hash entries - will be dropped. We get rid of remaining page hash entries - one by one below. */ - buf_LRU_drop_page_hash_for_tablespace(id); - scan_again: - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); all_freed = TRUE; @@ -417,7 +415,7 @@ scan_again: buf_pool_zip_mutex, it is not necessary to acquire further mutexes. */ - ut_ad(&buf_pool_zip_mutex + ut_ad(&buf_pool->zip_mutex == block_mutex); ut_ad(mutex_own(block_mutex)); prev_bpage_buf_fix = TRUE; @@ -431,7 +429,7 @@ scan_again: ulint page_no; ulint zip_size; - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); zip_size = buf_page_get_zip_size(bpage); page_no = buf_page_get_page_no(bpage); @@ -461,7 +459,7 @@ scan_again: /* The block_mutex should have been released by buf_LRU_block_remove_hashed_page() when it returns BUF_BLOCK_ZIP_FREE. */ - ut_ad(block_mutex == &buf_pool_zip_mutex); + ut_ad(block_mutex == &buf_pool->zip_mutex); ut_ad(!mutex_own(block_mutex)); if (prev_bpage_buf_fix) { @@ -488,7 +486,7 @@ next_page_no_mutex: bpage = prev_bpage; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); if (!all_freed) { os_thread_sleep(20000); @@ -497,6 +495,32 @@ next_page_no_mutex: } } +/******************************************************************//** +Invalidates all pages belonging to a given tablespace when we are deleting +the data file(s) of that tablespace. */ +UNIV_INTERN +void +buf_LRU_invalidate_tablespace( +/*==========================*/ + ulint id) /*!< in: space id */ +{ + ulint i; + + /* Before we attempt to drop pages one by one we first + attempt to drop page hash index entries in batches to make + it more efficient. The batching attempt is a best effort + attempt and does not guarantee that all pages hash entries + will be dropped. We get rid of remaining page hash entries + one by one below. */ + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_LRU_drop_page_hash_for_tablespace(buf_pool, id); + buf_LRU_invalidate_tablespace_buf_pool_instance(buf_pool, id); + } +} + /********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN @@ -506,8 +530,9 @@ buf_LRU_insert_zip_clean( buf_page_t* bpage) /*!< in: pointer to the block in question */ { buf_page_t* b; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(buf_page_get_state(bpage) == BUF_BLOCK_ZIP_PAGE); /* Find the first successor of bpage in the LRU list @@ -537,16 +562,19 @@ UNIV_INLINE ibool buf_LRU_free_from_unzip_LRU_list( /*=============================*/ - ulint n_iterations) /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; we will search - n_iterations / 5 of the unzip_LRU list, - or nothing if n_iterations >= 5 */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint n_iterations) /*!< in: how many times this has + been called repeatedly without + result: a high value means that + we should search farther; we will + search n_iterations / 5 of the + unzip_LRU list, or nothing if + n_iterations >= 5 */ { buf_block_t* block; ulint distance; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); /* Theoratically it should be much easier to find a victim from unzip_LRU as we can choose even a dirty block (as we'll @@ -556,7 +584,7 @@ buf_LRU_free_from_unzip_LRU_list( if we have done five iterations so far. */ if (UNIV_UNLIKELY(n_iterations >= 5) - || !buf_LRU_evict_from_unzip_LRU()) { + || !buf_LRU_evict_from_unzip_LRU(buf_pool)) { return(FALSE); } @@ -608,7 +636,9 @@ UNIV_INLINE ibool buf_LRU_free_from_common_LRU_list( /*==============================*/ - ulint n_iterations) /*!< in: how many times this has been called + buf_pool_t* buf_pool, + ulint n_iterations) + /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; if n_iterations < 10, then we search @@ -618,7 +648,7 @@ buf_LRU_free_from_common_LRU_list( buf_page_t* bpage; ulint distance; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); distance = 100 + (n_iterations * buf_pool->curr_size) / 10; @@ -675,7 +705,10 @@ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - ulint n_iterations) /*!< in: how many times this has been called + buf_pool_t* buf_pool, + /*!< in: buffer pool instance */ + ulint n_iterations) + /*!< in: how many times this has been called repeatedly without result: a high value means that we should search farther; if n_iterations < 10, then we search @@ -686,12 +719,13 @@ buf_LRU_search_and_free_block( { ibool freed = FALSE; - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - freed = buf_LRU_free_from_unzip_LRU_list(n_iterations); + freed = buf_LRU_free_from_unzip_LRU_list(buf_pool, n_iterations); if (!freed) { - freed = buf_LRU_free_from_common_LRU_list(n_iterations); + freed = buf_LRU_free_from_common_LRU_list( + buf_pool, n_iterations); } if (!freed) { @@ -700,7 +734,7 @@ buf_LRU_search_and_free_block( buf_pool->LRU_flush_ended--; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(freed); } @@ -715,45 +749,65 @@ operations need new buffer blocks, and the i/o work done in flushing would be wasted. */ UNIV_INTERN void -buf_LRU_try_free_flushed_blocks(void) -/*=================================*/ +buf_LRU_try_free_flushed_blocks( +/*============================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { - buf_pool_mutex_enter(); - while (buf_pool->LRU_flush_ended > 0) { + if (buf_pool == NULL) { + ulint i; - buf_pool_mutex_exit(); + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool = buf_pool_from_array(i); + buf_LRU_try_free_flushed_blocks(buf_pool); + } + } else { + buf_pool_mutex_enter(buf_pool); - buf_LRU_search_and_free_block(1); + while (buf_pool->LRU_flush_ended > 0) { - buf_pool_mutex_enter(); + buf_pool_mutex_exit(buf_pool); + + buf_LRU_search_and_free_block(buf_pool, 1); + + buf_pool_mutex_enter(buf_pool); + } + + buf_pool_mutex_exit(buf_pool); } - - buf_pool_mutex_exit(); } /******************************************************************//** -Returns TRUE if less than 25 % of the buffer pool is available. This can be -used in heuristics to prevent huge transactions eating up the whole buffer -pool for their locks. +Returns TRUE if less than 25 % of the buffer pool in any instance is +available. This can be used in heuristics to prevent huge transactions +eating up the whole buffer pool for their locks. @return TRUE if less than 25 % of buffer pool left */ UNIV_INTERN ibool buf_LRU_buf_pool_running_out(void) /*==============================*/ { - ibool ret = FALSE; + ulint i; + ibool ret = FALSE; - buf_pool_mutex_enter(); + for (i = 0; i < srv_buf_pool_instances && !ret; i++) { + buf_pool_t* buf_pool; - if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) - + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 4) { + buf_pool = buf_pool_from_array(i); - ret = TRUE; + buf_pool_mutex_enter(buf_pool); + + if (!recv_recovery_on + && UT_LIST_GET_LEN(buf_pool->free) + + UT_LIST_GET_LEN(buf_pool->LRU) + < buf_pool->curr_size / 4) { + + ret = TRUE; + } + + buf_pool_mutex_exit(buf_pool); } - buf_pool_mutex_exit(); - return(ret); } @@ -763,16 +817,18 @@ free list. If it is empty, returns NULL. @return a free control block, or NULL if the buf_block->free list is empty */ UNIV_INTERN buf_block_t* -buf_LRU_get_free_only(void) -/*=======================*/ +buf_LRU_get_free_only( +/*==================*/ + buf_pool_t* buf_pool) { buf_block_t* block; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); block = (buf_block_t*) UT_LIST_GET_FIRST(buf_pool->free); if (block) { + ut_ad(block->page.in_free_list); ut_d(block->page.in_free_list = FALSE); ut_ad(!block->page.in_flush_list); @@ -785,6 +841,8 @@ buf_LRU_get_free_only(void) buf_block_set_state(block, BUF_BLOCK_READY_FOR_USE); UNIV_MEM_ALLOC(block->frame, UNIV_PAGE_SIZE); + ut_ad(buf_pool_from_block(block) == buf_pool); + mutex_exit(&block->mutex); } @@ -800,8 +858,9 @@ UNIV_INTERN buf_block_t* buf_LRU_get_free_block( /*===================*/ - ulint zip_size) /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint zip_size) /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ { buf_block_t* block = NULL; ibool freed; @@ -809,7 +868,7 @@ buf_LRU_get_free_block( ibool mon_value_was = FALSE; ibool started_monitor = FALSE; loop: - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free) + UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->curr_size / 20) { @@ -876,9 +935,11 @@ loop: } /* If there is a block in the free list, take it */ - block = buf_LRU_get_free_only(); + block = buf_LRU_get_free_only(buf_pool); if (block) { + ut_ad(buf_pool_from_block(block) == buf_pool); + #ifdef UNIV_DEBUG block->page.zip.m_start = #endif /* UNIV_DEBUG */ @@ -889,14 +950,17 @@ loop: if (UNIV_UNLIKELY(zip_size)) { ibool lru; page_zip_set_size(&block->page.zip, zip_size); - block->page.zip.data = buf_buddy_alloc(zip_size, &lru); + + block->page.zip.data = buf_buddy_alloc( + buf_pool, zip_size, &lru); + UNIV_MEM_DESC(block->page.zip.data, zip_size, block); } else { page_zip_set_size(&block->page.zip, 0); block->page.zip.data = NULL; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); if (started_monitor) { srv_print_innodb_monitor = mon_value_was; @@ -908,9 +972,9 @@ loop: /* If no block was in the free list, search from the end of the LRU list and try to free a block there */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); - freed = buf_LRU_search_and_free_block(n_iterations); + freed = buf_LRU_search_and_free_block(buf_pool, n_iterations); if (freed > 0) { goto loop; @@ -952,23 +1016,23 @@ loop: /* No free block was found: try to flush the LRU list */ - buf_flush_free_margin(); + buf_flush_free_margin(buf_pool); ++srv_buf_pool_wait_free; os_aio_simulated_wake_handler_threads(); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); if (buf_pool->LRU_flush_ended > 0) { /* We have written pages in an LRU flush. To make the insert buffer more efficient, we try to move these pages to the free list. */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); - buf_LRU_try_free_flushed_blocks(); + buf_LRU_try_free_flushed_blocks(buf_pool); } else { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } if (n_iterations > 10) { @@ -986,16 +1050,17 @@ Moves the LRU_old pointer so that the length of the old blocks list is inside the allowed limits. */ UNIV_INLINE void -buf_LRU_old_adjust_len(void) -/*========================*/ +buf_LRU_old_adjust_len( +/*===================*/ + buf_pool_t* buf_pool) /*!< in: buffer pool instance */ { ulint old_len; ulint new_len; ut_a(buf_pool->LRU_old); - ut_ad(buf_pool_mutex_own()); - ut_ad(buf_LRU_old_ratio >= BUF_LRU_OLD_RATIO_MIN); - ut_ad(buf_LRU_old_ratio <= BUF_LRU_OLD_RATIO_MAX); + ut_ad(buf_pool_mutex_own(buf_pool)); + ut_ad(buf_pool->LRU_old_ratio >= BUF_LRU_OLD_RATIO_MIN); + ut_ad(buf_pool->LRU_old_ratio <= BUF_LRU_OLD_RATIO_MAX); #if BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5) # error "BUF_LRU_OLD_RATIO_MIN * BUF_LRU_OLD_MIN_LEN <= BUF_LRU_OLD_RATIO_DIV * (BUF_LRU_OLD_TOLERANCE + 5)" #endif @@ -1011,7 +1076,7 @@ buf_LRU_old_adjust_len(void) old_len = buf_pool->LRU_old_len; new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) - * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + * buf_pool->LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, UT_LIST_GET_LEN(buf_pool->LRU) - (BUF_LRU_OLD_TOLERANCE + BUF_LRU_NON_OLD_MIN_LEN)); @@ -1053,12 +1118,13 @@ Initializes the old blocks pointer in the LRU list. This function should be called when the LRU list grows to BUF_LRU_OLD_MIN_LEN length. */ static void -buf_LRU_old_init(void) -/*==================*/ +buf_LRU_old_init( +/*=============*/ + buf_pool_t* buf_pool) { buf_page_t* bpage; - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN); /* We first initialize all blocks in the LRU list as old and then use @@ -1077,7 +1143,7 @@ buf_LRU_old_init(void) buf_pool->LRU_old = UT_LIST_GET_FIRST(buf_pool->LRU); buf_pool->LRU_old_len = UT_LIST_GET_LEN(buf_pool->LRU); - buf_LRU_old_adjust_len(); + buf_LRU_old_adjust_len(buf_pool); } /******************************************************************//** @@ -1088,10 +1154,12 @@ buf_unzip_LRU_remove_block_if_needed( /*=================================*/ buf_page_t* bpage) /*!< in/out: control block */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool); ut_ad(bpage); ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); if (buf_page_belongs_to_unzip_LRU(bpage)) { buf_block_t* block = (buf_block_t*) bpage; @@ -1111,9 +1179,11 @@ buf_LRU_remove_block( /*=================*/ buf_page_t* bpage) /*!< in: control block */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool); ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(buf_page_in_file(bpage)); @@ -1127,7 +1197,7 @@ buf_LRU_remove_block( /* Below: the previous block is guaranteed to exist, because the LRU_old pointer is only allowed to differ by BUF_LRU_OLD_TOLERANCE from strict - buf_LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the LRU + buf_pool->LRU_old_ratio/BUF_LRU_OLD_RATIO_DIV of the LRU list length. */ buf_page_t* prev_bpage = UT_LIST_GET_PREV(LRU, bpage); @@ -1173,7 +1243,7 @@ buf_LRU_remove_block( } /* Adjust the length of the old block list if necessary */ - buf_LRU_old_adjust_len(); + buf_LRU_old_adjust_len(buf_pool); } /******************************************************************//** @@ -1186,9 +1256,11 @@ buf_unzip_LRU_add_block( ibool old) /*!< in: TRUE if should be put to the end of the list, else put to the start */ { + buf_pool_t* buf_pool = buf_pool_from_block(block); + ut_ad(buf_pool); ut_ad(block); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); @@ -1210,9 +1282,11 @@ buf_LRU_add_block_to_end_low( /*=========================*/ buf_page_t* bpage) /*!< in: control block */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool); ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(buf_page_in_file(bpage)); @@ -1228,14 +1302,14 @@ buf_LRU_add_block_to_end_low( buf_page_set_old(bpage, TRUE); buf_pool->LRU_old_len++; - buf_LRU_old_adjust_len(); + buf_LRU_old_adjust_len(buf_pool); } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { /* The LRU list is now long enough for LRU_old to become defined: init it */ - buf_LRU_old_init(); + buf_LRU_old_init(buf_pool); } else { buf_page_set_old(bpage, buf_pool->LRU_old != NULL); } @@ -1259,9 +1333,11 @@ buf_LRU_add_block_low( LRU list is very short, the block is added to the start, regardless of this parameter */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool); ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_a(buf_page_in_file(bpage)); ut_ad(!bpage->in_LRU_list); @@ -1295,14 +1371,14 @@ buf_LRU_add_block_low( /* Adjust the length of the old block list if necessary */ buf_page_set_old(bpage, old); - buf_LRU_old_adjust_len(); + buf_LRU_old_adjust_len(buf_pool); } else if (UT_LIST_GET_LEN(buf_pool->LRU) == BUF_LRU_OLD_MIN_LEN) { /* The LRU list is now long enough for LRU_old to become defined: init it */ - buf_LRU_old_init(); + buf_LRU_old_init(buf_pool); } else { buf_page_set_old(bpage, buf_pool->LRU_old != NULL); } @@ -1338,7 +1414,9 @@ buf_LRU_make_block_young( /*=====================*/ buf_page_t* bpage) /*!< in: control block */ { - ut_ad(buf_pool_mutex_own()); + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + + ut_ad(buf_pool_mutex_own(buf_pool)); if (bpage->old) { buf_pool->stat.n_pages_made_young++; @@ -1365,10 +1443,10 @@ Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. NOTE: If this function returns BUF_LRU_FREED, it will not temporarily -release buf_pool_mutex. Furthermore, the page frame will no longer be +release buf_pool->mutex. Furthermore, the page frame will no longer be accessible via bpage. -The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +The caller must hold buf_pool->mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. @return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or @@ -1382,13 +1460,14 @@ buf_LRU_free_block( compressed page of an uncompressed page */ ibool* buf_pool_mutex_released) /*!< in: pointer to a variable that will - be assigned TRUE if buf_pool_mutex + be assigned TRUE if buf_pool->mutex was temporarily released, or NULL */ { buf_page_t* b = NULL; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); mutex_t* block_mutex = buf_page_get_mutex(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(block_mutex)); ut_ad(buf_page_in_file(bpage)); ut_ad(bpage->in_LRU_list); @@ -1427,9 +1506,9 @@ buf_LRU_free_block( If it cannot be allocated (without freeing a block from the LRU list), refuse to free bpage. */ alloc: - buf_pool_mutex_exit_forbid(); - b = buf_buddy_alloc(sizeof *b, NULL); - buf_pool_mutex_exit_allow(); + buf_pool_mutex_exit_forbid(buf_pool); + b = buf_buddy_alloc(buf_pool, sizeof *b, NULL); + buf_pool_mutex_exit_allow(buf_pool); if (UNIV_UNLIKELY(!b)) { return(BUF_LRU_CANNOT_RELOCATE); @@ -1451,11 +1530,14 @@ alloc: ut_a(bpage->buf_fix_count == 0); if (b) { + buf_page_t* hash_b; buf_page_t* prev_b = UT_LIST_GET_PREV(LRU, b); - const ulint fold = buf_page_address_fold( + + const ulint fold = buf_page_address_fold( bpage->space, bpage->offset); - buf_page_t* hash_b = buf_page_hash_get_low( - bpage->space, bpage->offset, fold); + + hash_b = buf_page_hash_get_low( + buf_pool, bpage->space, bpage->offset, fold); ut_a(!hash_b); @@ -1512,12 +1594,12 @@ alloc: ut_ad(buf_pool->LRU_old); /* Adjust the length of the old block list if necessary */ - buf_LRU_old_adjust_len(); + buf_LRU_old_adjust_len(buf_pool); } else if (lru_len == BUF_LRU_OLD_MIN_LEN) { /* The LRU list is now long enough for LRU_old to become defined: init it */ - buf_LRU_old_init(); + buf_LRU_old_init(buf_pool); } #ifdef UNIV_LRU_DEBUG /* Check that the "old" flag is consistent @@ -1541,7 +1623,7 @@ alloc: /* Prevent buf_page_get_gen() from decompressing the block while we release - buf_pool_mutex and block_mutex. */ + buf_pool->mutex and block_mutex. */ b->buf_fix_count++; b->io_fix = BUF_IO_READ; } @@ -1550,7 +1632,7 @@ alloc: *buf_pool_mutex_released = TRUE; } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); mutex_exit(block_mutex); /* Remove possible adaptive hash index on the page. @@ -1582,14 +1664,14 @@ alloc: : BUF_NO_CHECKSUM_MAGIC); } - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); mutex_enter(block_mutex); if (b) { - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); b->buf_fix_count--; buf_page_set_io_fix(b, BUF_IO_NONE); - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); } buf_LRU_block_free_hashed_page((buf_block_t*) bpage); @@ -1597,7 +1679,7 @@ alloc: /* The block_mutex should have been released by buf_LRU_block_remove_hashed_page() when it returns BUF_BLOCK_ZIP_FREE. */ - ut_ad(block_mutex == &buf_pool_zip_mutex); + ut_ad(block_mutex == &buf_pool->zip_mutex); mutex_enter(block_mutex); } @@ -1612,10 +1694,11 @@ buf_LRU_block_free_non_file_page( /*=============================*/ buf_block_t* block) /*!< in: block, must not contain a file page */ { - void* data; + void* data; + buf_pool_t* buf_pool = buf_pool_from_block(block); ut_ad(block); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(&block->mutex)); switch (buf_block_get_state(block)) { @@ -1649,9 +1732,12 @@ buf_LRU_block_free_non_file_page( if (data) { block->page.zip.data = NULL; mutex_exit(&block->mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(data, page_zip_get_size(&block->page.zip)); - buf_pool_mutex_exit_allow(); + buf_pool_mutex_exit_forbid(buf_pool); + + buf_buddy_free( + buf_pool, data, page_zip_get_size(&block->page.zip)); + + buf_pool_mutex_exit_allow(buf_pool); mutex_enter(&block->mutex); page_zip_set_size(&block->page.zip, 0); } @@ -1665,7 +1751,7 @@ buf_LRU_block_free_non_file_page( /******************************************************************//** Takes a block out of the LRU list and page hash table. If the block is compressed-only (BUF_BLOCK_ZIP_PAGE), -the object will be freed and buf_pool_zip_mutex will be released. +the object will be freed and buf_pool->zip_mutex will be released. If a compressed page or a compressed-only block descriptor is freed, other compressed pages or compressed-only block descriptors may be @@ -1684,8 +1770,10 @@ buf_LRU_block_remove_hashed_page( { ulint fold; const buf_page_t* hashed_bpage; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(bpage); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); @@ -1767,8 +1855,8 @@ buf_LRU_block_remove_hashed_page( } fold = buf_page_address_fold(bpage->space, bpage->offset); - hashed_bpage = buf_page_hash_get_low(bpage->space, bpage->offset, - fold); + hashed_bpage = buf_page_hash_get_low( + buf_pool, bpage->space, bpage->offset, fold); if (UNIV_UNLIKELY(bpage != hashed_bpage)) { fprintf(stderr, @@ -1788,7 +1876,7 @@ buf_LRU_block_remove_hashed_page( #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG mutex_exit(buf_page_get_mutex(bpage)); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); buf_print(); buf_LRU_print(); buf_validate(); @@ -1811,12 +1899,16 @@ buf_LRU_block_remove_hashed_page( UT_LIST_REMOVE(list, buf_pool->zip_clean, bpage); - mutex_exit(&buf_pool_zip_mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(bpage->zip.data, - page_zip_get_size(&bpage->zip)); - buf_buddy_free(bpage, sizeof(*bpage)); - buf_pool_mutex_exit_allow(); + mutex_exit(&buf_pool->zip_mutex); + buf_pool_mutex_exit_forbid(buf_pool); + + buf_buddy_free( + buf_pool, bpage->zip.data, + page_zip_get_size(&bpage->zip)); + + buf_buddy_free(buf_pool, bpage, sizeof(*bpage)); + buf_pool_mutex_exit_allow(buf_pool); + UNIV_MEM_UNDESC(bpage); return(BUF_BLOCK_ZIP_FREE); @@ -1838,9 +1930,13 @@ buf_LRU_block_remove_hashed_page( ut_ad(!bpage->in_flush_list); ut_ad(!bpage->in_LRU_list); mutex_exit(&((buf_block_t*) bpage)->mutex); - buf_pool_mutex_exit_forbid(); - buf_buddy_free(data, page_zip_get_size(&bpage->zip)); - buf_pool_mutex_exit_allow(); + buf_pool_mutex_exit_forbid(buf_pool); + + buf_buddy_free( + buf_pool, data, + page_zip_get_size(&bpage->zip)); + + buf_pool_mutex_exit_allow(buf_pool); mutex_enter(&((buf_block_t*) bpage)->mutex); page_zip_set_size(&bpage->zip, 0); } @@ -1869,7 +1965,10 @@ buf_LRU_block_free_hashed_page( buf_block_t* block) /*!< in: block, must contain a file page and be in a state where it can be freed */ { - ut_ad(buf_pool_mutex_own()); +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_block(block); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_ad(mutex_own(&block->mutex)); buf_block_set_state(block, BUF_BLOCK_MEMORY); @@ -1878,17 +1977,18 @@ buf_LRU_block_free_hashed_page( } /**********************************************************************//** -Updates buf_LRU_old_ratio. +Updates buf_pool->LRU_old_ratio for one buffer pool instance. @return updated old_pct */ -UNIV_INTERN +static uint -buf_LRU_old_ratio_update( -/*=====================*/ - uint old_pct,/*!< in: Reserve this percentage of - the buffer pool for "old" blocks. */ - ibool adjust) /*!< in: TRUE=adjust the LRU list; - FALSE=just assign buf_LRU_old_ratio - during the initialization of InnoDB */ +buf_LRU_old_ratio_update_instance( +/*==============================*/ + buf_pool_t* buf_pool,/*!< in: buffer pool instance */ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust) /*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_pool->LRU_old_ratio + during the initialization of InnoDB */ { uint ratio; @@ -1900,27 +2000,55 @@ buf_LRU_old_ratio_update( } if (adjust) { - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - if (ratio != buf_LRU_old_ratio) { - buf_LRU_old_ratio = ratio; + if (ratio != buf_pool->LRU_old_ratio) { + buf_pool->LRU_old_ratio = ratio; if (UT_LIST_GET_LEN(buf_pool->LRU) - >= BUF_LRU_OLD_MIN_LEN) { - buf_LRU_old_adjust_len(); + >= BUF_LRU_OLD_MIN_LEN) { + + buf_LRU_old_adjust_len(buf_pool); } } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } else { - buf_LRU_old_ratio = ratio; + buf_pool->LRU_old_ratio = ratio; } - /* the reverse of ratio = old_pct * BUF_LRU_OLD_RATIO_DIV / 100 */ return((uint) (ratio * 100 / (double) BUF_LRU_OLD_RATIO_DIV + 0.5)); } +/**********************************************************************//** +Updates buf_pool->LRU_old_ratio. +@return updated old_pct */ +UNIV_INTERN +ulint +buf_LRU_old_ratio_update( +/*=====================*/ + uint old_pct,/*!< in: Reserve this percentage of + the buffer pool for "old" blocks. */ + ibool adjust) /*!< in: TRUE=adjust the LRU list; + FALSE=just assign buf_pool->LRU_old_ratio + during the initialization of InnoDB */ +{ + ulint i; + ulint new_ratio = 0; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + + new_ratio = buf_LRU_old_ratio_update_instance( + buf_pool, old_pct, adjust); + } + + return(new_ratio); +} + /********************************************************************//** Update the historical stats that we are collecting for LRU eviction policy at the end of each interval. */ @@ -1929,14 +2057,25 @@ void buf_LRU_stat_update(void) /*=====================*/ { + ulint i; buf_LRU_stat_t* item; + buf_pool_t* buf_pool; + ibool evict_started = FALSE; /* If we haven't started eviction yet then don't update stats. */ - if (buf_pool->freed_page_clock == 0) { - goto func_exit; + for (i = 0; i < srv_buf_pool_instances; i++) { + + buf_pool = buf_pool_from_array(i); + + if (buf_pool->freed_page_clock != 0) { + evict_started = TRUE; + break; + } } - buf_pool_mutex_enter(); + if (!evict_started) { + goto func_exit; + } /* Update the index. */ item = &buf_LRU_stat_arr[buf_LRU_stat_arr_ind]; @@ -1950,8 +2089,6 @@ buf_LRU_stat_update(void) /* Put current entry in the array. */ memcpy(item, &buf_LRU_stat_cur, sizeof *item); - buf_pool_mutex_exit(); - func_exit: /* Clear the current entry. */ memset(&buf_LRU_stat_cur, 0, sizeof buf_LRU_stat_cur); @@ -1959,12 +2096,12 @@ func_exit: #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /**********************************************************************//** -Validates the LRU list. -@return TRUE */ -UNIV_INTERN -ibool -buf_LRU_validate(void) -/*==================*/ +Validates the LRU list for one buffer pool instance. */ +static +void +buf_LRU_validate_instance( +/*======================*/ + buf_pool_t* buf_pool) { buf_page_t* bpage; buf_block_t* block; @@ -1972,14 +2109,15 @@ buf_LRU_validate(void) ulint new_len; ut_ad(buf_pool); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); if (UT_LIST_GET_LEN(buf_pool->LRU) >= BUF_LRU_OLD_MIN_LEN) { ut_a(buf_pool->LRU_old); old_len = buf_pool->LRU_old_len; new_len = ut_min(UT_LIST_GET_LEN(buf_pool->LRU) - * buf_LRU_old_ratio / BUF_LRU_OLD_RATIO_DIV, + * buf_pool->LRU_old_ratio + / BUF_LRU_OLD_RATIO_DIV, UT_LIST_GET_LEN(buf_pool->LRU) - (BUF_LRU_OLD_TOLERANCE + BUF_LRU_NON_OLD_MIN_LEN)); @@ -2055,23 +2193,43 @@ buf_LRU_validate(void) ut_a(buf_page_belongs_to_unzip_LRU(&block->page)); } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); +} + +/**********************************************************************//** +Validates the LRU list. +@return TRUE */ +UNIV_INTERN +ibool +buf_LRU_validate(void) +/*==================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_LRU_validate_instance(buf_pool); + } + return(TRUE); } #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #if defined UNIV_DEBUG_PRINT || defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /**********************************************************************//** -Prints the LRU list. */ +Prints the LRU list for one buffer pool instance. */ UNIV_INTERN void -buf_LRU_print(void) -/*===============*/ +buf_LRU_print_instance( +/*===================*/ + buf_pool_t* buf_pool) { const buf_page_t* bpage; ut_ad(buf_pool); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); bpage = UT_LIST_GET_FIRST(buf_pool->LRU); @@ -2130,6 +2288,22 @@ buf_LRU_print(void) bpage = UT_LIST_GET_NEXT(LRU, bpage); } - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); +} + +/**********************************************************************//** +Prints the LRU list. */ +UNIV_INTERN +void +buf_LRU_print(void) +/*===============*/ +{ + ulint i; + buf_pool_t* buf_pool; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool = buf_pool_from_array(i); + buf_LRU_print_instance(buf_pool); + } } #endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */ diff --git a/buf/buf0rea.c b/buf/buf0rea.c index 81f788baac2..99a56bf91bc 100644 --- a/buf/buf0rea.c +++ b/buf/buf0rea.c @@ -171,6 +171,7 @@ buf_read_page( ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ ulint offset) /*!< in: page number */ { + buf_pool_t* buf_pool = buf_pool_get(space, offset); ib_int64_t tablespace_version; ulint count; ulint err; @@ -195,7 +196,7 @@ buf_read_page( } /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); + buf_flush_free_margin(buf_pool); /* Increment number of I/O operations used for LRU policy. */ buf_LRU_stat_inc_io(); @@ -236,6 +237,7 @@ buf_read_ahead_linear( ulint offset) /*!< in: page number of a page; NOTE: the current thread must want access to this page (see NOTE 3 above) */ { + buf_pool_t* buf_pool = buf_pool_get(space, offset); ib_int64_t tablespace_version; buf_page_t* bpage; buf_frame_t* frame; @@ -251,7 +253,7 @@ buf_read_ahead_linear( ulint err; ulint i; const ulint buf_read_ahead_linear_area - = BUF_READ_AHEAD_LINEAR_AREA; + = BUF_READ_AHEAD_LINEAR_AREA(buf_pool); ulint threshold; if (UNIV_UNLIKELY(srv_startup_is_before_trx_rollback_phase)) { @@ -286,10 +288,10 @@ buf_read_ahead_linear( tablespace_version = fil_space_get_version(space); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); if (high > fil_space_get_size(space)) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); /* The area is not whole, return */ return(0); @@ -297,7 +299,7 @@ buf_read_ahead_linear( if (buf_pool->n_pend_reads > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(0); } @@ -315,14 +317,14 @@ buf_read_ahead_linear( /* How many out of order accessed pages can we ignore when working out the access pattern for linear readahead */ threshold = ut_min((64 - srv_read_ahead_threshold), - BUF_READ_AHEAD_AREA); + BUF_READ_AHEAD_AREA(buf_pool)); fail_count = 0; for (i = low; i < high; i++) { - bpage = buf_page_hash_get(space, i); + bpage = buf_page_hash_get(buf_pool, space, i); - if ((bpage == NULL) || !buf_page_is_accessed(bpage)) { + if (bpage == NULL || !buf_page_is_accessed(bpage)) { /* Not accessed */ fail_count++; @@ -346,7 +348,7 @@ buf_read_ahead_linear( if (fail_count > threshold) { /* Too many failures: return */ - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(0); } @@ -358,10 +360,10 @@ buf_read_ahead_linear( /* If we got this far, we know that enough pages in the area have been accessed in the right order: linear read-ahead can be sensible */ - bpage = buf_page_hash_get(space, offset); + bpage = buf_page_hash_get(buf_pool, space, offset); if (bpage == NULL) { - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(0); } @@ -387,7 +389,7 @@ buf_read_ahead_linear( pred_offset = fil_page_get_prev(frame); succ_offset = fil_page_get_next(frame); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); if ((offset == low) && (succ_offset == offset + 1)) { @@ -466,7 +468,7 @@ buf_read_ahead_linear( os_aio_simulated_wake_handler_threads(); /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); + buf_flush_free_margin(buf_pool); #ifdef UNIV_DEBUG if (buf_debug_prints && (count > 0)) { @@ -518,14 +520,18 @@ buf_read_ibuf_merge_pages( #ifdef UNIV_IBUF_DEBUG ut_a(n_stored < UNIV_PAGE_SIZE); #endif - while (buf_pool->n_pend_reads - > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { - os_thread_sleep(500000); - } for (i = 0; i < n_stored; i++) { - ulint zip_size = fil_space_get_zip_size(space_ids[i]); - ulint err; + ulint err; + buf_pool_t* buf_pool; + ulint zip_size = fil_space_get_zip_size(space_ids[i]); + + buf_pool = buf_pool_get(space_ids[i], space_versions[i]); + + while (buf_pool->n_pend_reads + > buf_pool->curr_size / BUF_READ_AHEAD_PEND_LIMIT) { + os_thread_sleep(500000); + } if (UNIV_UNLIKELY(zip_size == ULINT_UNDEFINED)) { @@ -550,8 +556,8 @@ tablespace_deleted: os_aio_simulated_wake_handler_threads(); - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); + /* Flush pages from the end of all the LRU lists if necessary */ + buf_flush_free_margins(); #ifdef UNIV_DEBUG if (buf_debug_prints) { @@ -600,11 +606,12 @@ buf_read_recv_pages( tablespace_version = fil_space_get_version(space); for (i = 0; i < n_stored; i++) { + buf_pool_t* buf_pool; count = 0; os_aio_print_debug = FALSE; - + buf_pool = buf_pool_get(space, page_nos[i]); while (buf_pool->n_pend_reads >= recv_n_pool_free_frames / 2) { os_aio_simulated_wake_handler_threads(); @@ -643,8 +650,8 @@ buf_read_recv_pages( os_aio_simulated_wake_handler_threads(); - /* Flush pages from the end of the LRU list if necessary */ - buf_flush_free_margin(); + /* Flush pages from the end of all the LRU lists if necessary */ + buf_flush_free_margins(); #ifdef UNIV_DEBUG if (buf_debug_prints) { diff --git a/ha/ha0ha.c b/ha/ha0ha.c index db85288298d..9d9d341ad39 100644 --- a/ha/ha0ha.c +++ b/ha/ha0ha.c @@ -403,8 +403,6 @@ ha_print_info( FILE* file, /*!< in: file where to print */ hash_table_t* table) /*!< in: hash table */ { - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #ifdef UNIV_DEBUG /* Some of the code here is disabled for performance reasons in production builds, see http://bugs.mysql.com/36941 */ @@ -418,6 +416,8 @@ builds, see http://bugs.mysql.com/36941 */ #endif /* PRINT_USED_CELLS */ ulint n_bufs; + ut_ad(table); + ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); #ifdef PRINT_USED_CELLS for (i = 0; i < hash_get_n_cells(table); i++) { diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 3944cb09767..0a2c323bf07 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -134,6 +134,7 @@ static long innobase_mirrored_log_groups, innobase_log_files_in_group, static ulong innobase_commit_concurrency = 0; static ulong innobase_read_io_threads; static ulong innobase_write_io_threads; +static long innobase_buffer_pool_instances = 1; static long long innobase_buffer_pool_size, innobase_log_file_size; @@ -240,7 +241,7 @@ static PSI_mutex_info all_innodb_mutexes[] = { {&file_format_max_mutex_key, "file_format_max_mutex", 0}, {&fil_system_mutex_key, "fil_system_mutex", 0}, {&flush_list_mutex_key, "flush_list_mutex", 0}, - {&flush_order_mutex_key, "flush_order_mutex", 0}, + {&log_flush_order_mutex_key, "log_flush_order_mutex", 0}, {&hash_table_mutex_key, "hash_table_mutex", 0}, {&ibuf_bitmap_mutex_key, "ibuf_bitmap_mutex", 0}, {&ibuf_mutex_key, "ibuf_mutex", 0}, @@ -2304,6 +2305,7 @@ innobase_change_buffering_inited_ok: srv_log_buffer_size = (ulint) innobase_log_buffer_size; srv_buf_pool_size = (ulint) innobase_buffer_pool_size; + srv_buf_pool_instances = (ulint) innobase_buffer_pool_instances; srv_mem_pool_size = (ulint) innobase_additional_mem_pool_size; @@ -2347,9 +2349,6 @@ innobase_change_buffering_inited_ok: ut_a(0 == strcmp(my_charset_latin1.name, "latin1_swedish_ci")); srv_latin1_ordering = my_charset_latin1.sort_order; - innobase_old_blocks_pct = buf_LRU_old_ratio_update( - innobase_old_blocks_pct, FALSE); - innobase_commit_concurrency_init_default(); #ifdef HAVE_PSI_INTERFACE @@ -2403,6 +2402,9 @@ innobase_change_buffering_inited_ok: goto mem_free_and_error; } + innobase_old_blocks_pct = buf_LRU_old_ratio_update( + innobase_old_blocks_pct, TRUE); + innobase_open_tables = hash_create(200); mysql_mutex_init(innobase_share_mutex_key, &innobase_share_mutex, @@ -3336,6 +3338,8 @@ innobase_build_index_translation( DBUG_ENTER("innobase_build_index_translation"); + mutex_enter(&dict_sys->mutex); + mysql_num_index = table->s->keys; ib_num_index = UT_LIST_GET_LEN(ib_table->indexes); @@ -3366,6 +3370,13 @@ innobase_build_index_translation( MYF(MY_ALLOW_ZERO_PTR)); if (!index_mapping) { + /* Report an error if index_mapping continues to be + NULL and mysql_num_index is a non-zero value */ + sql_print_error("InnoDB: fail to allocate memory for " + "index translation table. Number of " + "Index:%lu, array size:%lu", + mysql_num_index, + share->idx_trans_tbl.array_size); ret = FALSE; goto func_exit; } @@ -3373,7 +3384,6 @@ innobase_build_index_translation( share->idx_trans_tbl.array_size = mysql_num_index; } - /* For each index in the mysql key_info array, fetch its corresponding InnoDB index pointer into index_mapping array. */ @@ -3419,6 +3429,8 @@ func_exit: share->idx_trans_tbl.index_mapping = index_mapping; + mutex_exit(&dict_sys->mutex); + DBUG_RETURN(ret); } @@ -10816,6 +10828,11 @@ static MYSQL_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size, "The size of the memory buffer InnoDB uses to cache data and indexes of its tables.", NULL, NULL, 128*1024*1024L, 5*1024*1024L, LONGLONG_MAX, 1024*1024L); +static MYSQL_SYSVAR_LONG(buffer_pool_instances, innobase_buffer_pool_instances, + PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, + "Number of buffer pool instances, set to higher value on high-end machines to increase scalability", + NULL, NULL, 1L, 1L, MAX_BUFFER_POOLS, 1L); + static MYSQL_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency, PLUGIN_VAR_RQCMDARG, "Helps in performance tuning in heavily concurrent environments.", @@ -10951,6 +10968,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(additional_mem_pool_size), MYSQL_SYSVAR(autoextend_increment), MYSQL_SYSVAR(buffer_pool_size), + MYSQL_SYSVAR(buffer_pool_instances), MYSQL_SYSVAR(checksums), MYSQL_SYSVAR(commit_concurrency), MYSQL_SYSVAR(concurrency_tickets), diff --git a/handler/i_s.cc b/handler/i_s.cc index 524fe696de2..9e685f24738 100644 --- a/handler/i_s.cc +++ b/handler/i_s.cc @@ -1306,6 +1306,14 @@ static ST_FIELD_INFO i_s_cmpmem_fields_info[] = STRUCT_FLD(old_name, "Buddy Block Size"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "buffer_pool_instance"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, "Buffer Pool Id"), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + {STRUCT_FLD(field_name, "pages_used"), STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), @@ -1355,8 +1363,8 @@ i_s_cmpmem_fill_low( COND* cond, /*!< in: condition (ignored) */ ibool reset) /*!< in: TRUE=reset cumulated counts */ { + int status = 0; TABLE* table = (TABLE *) tables->table; - int status = 0; DBUG_ENTER("i_s_cmpmem_fill_low"); @@ -1368,33 +1376,50 @@ i_s_cmpmem_fill_low( RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name); - buf_pool_mutex_enter(); + for (ulint i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; - for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { - buf_buddy_stat_t* buddy_stat = &buf_buddy_stat[x]; + status = 0; - table->field[0]->store(BUF_BUDDY_LOW << x); - table->field[1]->store(buddy_stat->used); - table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) - ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) - : 0); - table->field[3]->store((longlong) buddy_stat->relocated, true); - table->field[4]->store( - (ulong) (buddy_stat->relocated_usec / 1000000)); + buf_pool = buf_pool_from_array(i); - if (reset) { - /* This is protected by buf_pool_mutex. */ - buddy_stat->relocated = 0; - buddy_stat->relocated_usec = 0; + buf_pool_mutex_enter(buf_pool); + + for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) { + buf_buddy_stat_t* buddy_stat; + + buddy_stat = &buf_pool->buddy_stat[x]; + + table->field[0]->store(BUF_BUDDY_LOW << x); + table->field[1]->store(i); + table->field[2]->store(buddy_stat->used); + table->field[3]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES) + ? UT_LIST_GET_LEN(buf_pool->zip_free[x]) + : 0); + table->field[4]->store((longlong) + buddy_stat->relocated, true); + table->field[5]->store( + (ulong) (buddy_stat->relocated_usec / 1000000)); + + if (reset) { + /* This is protected by buf_pool->mutex. */ + buddy_stat->relocated = 0; + buddy_stat->relocated_usec = 0; + } + + if (schema_table_store_record(thd, table)) { + status = 1; + break; + } } - if (schema_table_store_record(thd, table)) { - status = 1; + buf_pool_mutex_exit(buf_pool); + + if (status) { break; } } - buf_pool_mutex_exit(); DBUG_RETURN(status); } diff --git a/ibuf/ibuf0ibuf.c b/ibuf/ibuf0ibuf.c index d405d90fe25..0397af88ff4 100644 --- a/ibuf/ibuf0ibuf.c +++ b/ibuf/ibuf0ibuf.c @@ -2323,7 +2323,7 @@ ibuf_get_merge_page_nos( *n_stored = 0; - limit = ut_min(IBUF_MAX_N_PAGES_MERGED, buf_pool->curr_size / 4); + limit = ut_min(IBUF_MAX_N_PAGES_MERGED, buf_pool_get_curr_size() / 4); if (page_rec_is_supremum(rec)) { @@ -3139,9 +3139,9 @@ ibuf_set_entry_counter( ibool is_optimistic, /*!< in: is this an optimistic insert */ mtr_t* mtr) /*!< in: mtr */ { - ulint counter; dfield_t* field; byte* data; + ulint counter = 0; /* pcur points to either a user rec or to a page's infimum record. */ ut_ad(page_validate(btr_pcur_get_page(pcur), ibuf->index)); @@ -3682,10 +3682,11 @@ check_watch: { buf_page_t* bpage; ulint fold = buf_page_address_fold(space, page_no); + buf_pool_t* buf_pool = buf_pool_get(space, page_no); - buf_pool_mutex_enter(); - bpage = buf_page_hash_get_low(space, page_no, fold); - buf_pool_mutex_exit(); + buf_pool_mutex_enter(buf_pool); + bpage = buf_page_hash_get_low(buf_pool, space, page_no, fold); + buf_pool_mutex_exit(buf_pool); if (UNIV_LIKELY_NULL(bpage)) { /* A buffer pool watch has been set or the diff --git a/include/buf0buddy.h b/include/buf0buddy.h index 7648950d5d1..03588d18197 100644 --- a/include/buf0buddy.h +++ b/include/buf0buddy.h @@ -36,22 +36,24 @@ Created December 2006 by Marko Makela /**********************************************************************//** Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any -block->mutex. The buf_pool_mutex may only be released and reacquired +buf_pool->mutex and must not hold buf_pool_zip_mutex or any +block->mutex. The buf_pool->mutex may only be released and reacquired if lru != NULL. This function should only be used for allocating compressed page frames or control blocks (buf_page_t). Allocated control blocks must be properly initialized immediately after buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. +buf_pool->mutex. @return allocated block, possibly NULL if lru == NULL */ UNIV_INLINE void* buf_buddy_alloc( /*============*/ + buf_pool_t* buf_pool, + /*!< buffer pool in which the block resides */ ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, + and buf_pool->mutex was temporarily released, or NULL if the LRU list should not be used */ __attribute__((malloc)); @@ -61,28 +63,13 @@ UNIV_INLINE void buf_buddy_free( /*===========*/ + buf_pool_t* buf_pool, + /*!< buffer pool in which the block resides */ void* buf, /*!< in: block to be freed, must not be pointed to by the buffer pool */ ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ __attribute__((nonnull)); -/** Statistics of buddy blocks of a given size. */ -struct buf_buddy_stat_struct { - /** Number of blocks allocated from the buddy system. */ - ulint used; - /** Number of blocks relocated by the buddy system. */ - ib_uint64_t relocated; - /** Total duration of block relocations, in microseconds. */ - ib_uint64_t relocated_usec; -}; - -/** Statistics of buddy blocks of a given size. */ -typedef struct buf_buddy_stat_struct buf_buddy_stat_t; - -/** Statistics of the buddy system, indexed by block size. -Protected by buf_pool_mutex. */ -extern buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; - #ifndef UNIV_NONINL # include "buf0buddy.ic" #endif diff --git a/include/buf0buddy.ic b/include/buf0buddy.ic index c419a2374d9..387eacc754a 100644 --- a/include/buf0buddy.ic +++ b/include/buf0buddy.ic @@ -35,18 +35,20 @@ Created December 2006 by Marko Makela /**********************************************************************//** Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. -The buf_pool_mutex may only be released and reacquired if lru != NULL. +buf_pool->mutex and must not hold buf_pool_zip_mutex or any block->mutex. +The buf_pool->mutex may only be released and reacquired if lru != NULL. @return allocated block, possibly NULL if lru==NULL */ UNIV_INTERN void* buf_buddy_alloc_low( /*================*/ + buf_pool_t* buf_pool, + /*!< in: buffer pool in which the page resides */ ulint i, /*!< in: index of buf_pool->zip_free[], or BUF_BUDDY_SIZES */ ibool* lru) /*!< in: pointer to a variable that will be assigned TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, + and buf_pool->mutex was temporarily released, or NULL if the LRU list should not be used */ __attribute__((malloc)); @@ -56,10 +58,11 @@ UNIV_INTERN void buf_buddy_free_low( /*===============*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint i) /*!< in: index of buf_pool->zip_free[], - or BUF_BUDDY_SIZES */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint i) /*!< in: index of buf_pool->zip_free[], + or BUF_BUDDY_SIZES */ __attribute__((nonnull)); /**********************************************************************//** @@ -83,27 +86,32 @@ buf_buddy_get_slot( /**********************************************************************//** Allocate a block. The thread calling this function must hold -buf_pool_mutex and must not hold buf_pool_zip_mutex or any -block->mutex. The buf_pool_mutex may only be released and reacquired +buf_pool->mutex and must not hold buf_pool_zip_mutex or any +block->mutex. The buf_pool->mutex may only be released and reacquired if lru != NULL. This function should only be used for allocating compressed page frames or control blocks (buf_page_t). Allocated control blocks must be properly initialized immediately after buf_buddy_alloc() has returned the memory, before releasing -buf_pool_mutex. +buf_pool->mutex. @return allocated block, possibly NULL if lru == NULL */ UNIV_INLINE void* buf_buddy_alloc( /*============*/ - ulint size, /*!< in: block size, up to UNIV_PAGE_SIZE */ - ibool* lru) /*!< in: pointer to a variable that will be assigned - TRUE if storage was allocated from the LRU list - and buf_pool_mutex was temporarily released, - or NULL if the LRU list should not be used */ + buf_pool_t* buf_pool, /*!< in: buffer pool in which + the page resides */ + ulint size, /*!< in: block size, up to + UNIV_PAGE_SIZE */ + ibool* lru) /*!< in: pointer to a variable + that will be assigned TRUE if + storage was allocated from the + LRU list and buf_pool->mutex was + temporarily released, or NULL if + the LRU list should not be used */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); - return(buf_buddy_alloc_low(buf_buddy_get_slot(size), lru)); + return(buf_buddy_alloc_low(buf_pool, buf_buddy_get_slot(size), lru)); } /**********************************************************************//** @@ -112,13 +120,15 @@ UNIV_INLINE void buf_buddy_free( /*===========*/ - void* buf, /*!< in: block to be freed, must not be - pointed to by the buffer pool */ - ulint size) /*!< in: block size, up to UNIV_PAGE_SIZE */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + void* buf, /*!< in: block to be freed, must not be + pointed to by the buffer pool */ + ulint size) /*!< in: block size, up to + UNIV_PAGE_SIZE */ { - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); - buf_buddy_free_low(buf, buf_buddy_get_slot(size)); + buf_buddy_free_low(buf_pool, buf, buf_buddy_get_slot(size)); } #ifdef UNIV_MATERIALIZE diff --git a/include/buf0buf.h b/include/buf0buf.h index 62e4f54559a..5326ca9c14f 100644 --- a/include/buf0buf.h +++ b/include/buf0buf.h @@ -63,7 +63,14 @@ Created 11/5/1995 Heikki Tuuri position of the block. */ /* @} */ -extern buf_pool_t* buf_pool; /*!< The buffer pool of the database */ +#define MAX_BUFFER_POOLS 64 /*!< The maximum number of buffer + pools that can be defined */ + +#define BUF_POOL_WATCH_SIZE 1 /*!< Maximum number of concurrent + buffer pool watches */ + +extern buf_pool_t* buf_pool_ptr[MAX_BUFFER_POOLS]; /*!< The buffer pools + of the database */ #ifdef UNIV_DEBUG extern ibool buf_debug_prints;/*!< If this is set TRUE, the program prints info whenever read or flush @@ -71,6 +78,8 @@ extern ibool buf_debug_prints;/*!< If this is set TRUE, the program #endif /* UNIV_DEBUG */ extern ulint srv_buf_pool_write_requests; /*!< variable to count write request issued */ +extern ulint srv_buf_pool_instances; +extern ulint srv_buf_pool_curr_size; #else /* !UNIV_HOTBACKUP */ extern buf_block_t* back_block1; /*!< first block, for --apply-log */ extern buf_block_t* back_block2; /*!< second block, for page reorganize */ @@ -108,20 +117,37 @@ enum buf_page_state { }; #ifndef UNIV_HOTBACKUP +/********************************************************************//** +Acquire mutex on all buffer pool instances */ +UNIV_INLINE +void +buf_pool_mutex_enter_all(void); +/*===========================*/ + +/********************************************************************//** +Release mutex on all buffer pool instances */ +UNIV_INLINE +void +buf_pool_mutex_exit_all(void); +/*==========================*/ + /********************************************************************//** Creates the buffer pool. @return own: buf_pool object, NULL if not enough memory or error */ UNIV_INTERN -buf_pool_t* -buf_pool_init(void); -/*===============*/ +ulint +buf_pool_init( +/*=========*/ + ulint size, /*!< in: Size of the total pool in bytes */ + ulint n_instances); /*!< in: Number of instances */ /********************************************************************//** Frees the buffer pool at shutdown. This must not be invoked before freeing all mutexes. */ UNIV_INTERN void -buf_pool_free(void); -/*===============*/ +buf_pool_free( +/*==========*/ + ulint n_instances); /*!< in: numbere of instances to free */ /********************************************************************//** Drops the adaptive hash index. To prevent a livelock, this function @@ -158,23 +184,31 @@ UNIV_INLINE ulint buf_pool_get_curr_size(void); /*========================*/ +/*********************************************************************//** +Gets the current size of buffer buf_pool in frames. +@return size in pages */ +UNIV_INLINE +ulint +buf_pool_get_n_pages(void); +/*=======================*/ /********************************************************************//** Gets the smallest oldest_modification lsn for any page in the pool. Returns zero if all modified pages have been flushed to disk. @return oldest modification in pool, zero if none */ -UNIV_INLINE +UNIV_INTERN ib_uint64_t buf_pool_get_oldest_modification(void); /*==================================*/ /********************************************************************//** Allocates a buffer block. @return own: the allocated block, in state BUF_BLOCK_MEMORY */ -UNIV_INLINE +UNIV_INTERN buf_block_t* buf_block_alloc( /*============*/ - ulint zip_size); /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + ulint zip_size); /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ /********************************************************************//** Frees a buffer block which does not contain a file page. */ UNIV_INLINE @@ -454,7 +488,7 @@ buf_page_get_newest_modification( page frame */ /********************************************************************//** Increments the modify clock of a frame by 1. The caller must (1) own the -buf_pool mutex and block bufferfix count has to be zero, (2) or own an x-lock +buf_pool->mutex and block bufferfix count has to be zero, (2) or own an x-lock on the block. */ UNIV_INLINE void @@ -536,7 +570,8 @@ UNIV_INTERN buf_block_t* buf_pool_contains_zip( /*==================*/ - const void* data); /*!< in: pointer to compressed page */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + const void* data); /*!< in: pointer to compressed page */ #endif /* UNIV_DEBUG */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /*********************************************************************//** @@ -610,8 +645,15 @@ buf_get_modified_ratio_pct(void); Refreshes the statistics used to print per-second averages. */ UNIV_INTERN void -buf_refresh_io_stats(void); -/*======================*/ +buf_refresh_io_stats( +/*=================*/ + buf_pool_t* buf_pool); /*!< buffer pool instance */ +/**********************************************************************//** +Refreshes the statistics used to print per-second averages. */ +UNIV_INTERN +void +buf_refresh_io_stats_all(void); +/*=================*/ /*********************************************************************//** Asserts that all file pages in the buffer are in a replaceable state. @return TRUE */ @@ -992,15 +1034,51 @@ buf_page_address_fold( ulint offset) /*!< in: offset of the page within space */ __attribute__((const)); /******************************************************************//** +Returns the buffer pool instance given a page instance +@return buf_pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_bpage( +/*================*/ + const buf_page_t* bpage); /*!< in: buffer pool page */ +/******************************************************************//** +Returns the buffer pool instance given a block instance +@return buf_pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_block( +/*================*/ + const buf_block_t* block); /*!< in: block */ +/******************************************************************//** +Returns the buffer pool instance given space and offset of page +@return buffer pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_get( +/*==========*/ + ulint space, /*!< in: space id */ + ulint offset);/*!< in: offset of the page within space */ +/******************************************************************//** +Returns the buffer pool instance given its array index +@return buffer pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_array( +/*====================*/ + ulint index); /*!< in: array index to get buffer pool instance from */ +/******************************************************************//** Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ UNIV_INLINE buf_page_t* buf_page_hash_get_low( /*==================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space */ - ulint fold); /*!< in: buf_page_address_fold(space, offset) */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page + within space */ + ulint fold); /*!< in: buf_page_address_fold( + space, offset) */ /******************************************************************//** Returns the control block of a file page, NULL if not found. @return block, NULL if not found or not a real control block */ @@ -1008,8 +1086,10 @@ UNIV_INLINE buf_page_t* buf_page_hash_get( /*==============*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: offset of the page within space */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset); /*!< in: offset of the page + within space */ /******************************************************************//** Returns the control block of a file page, NULL if not found or an uncompressed page frame does not exist. @@ -1018,8 +1098,10 @@ UNIV_INLINE buf_block_t* buf_block_hash_get( /*===============*/ - ulint space, /*!< in: space id */ - ulint offset);/*!< in: offset of the page within space */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset); /*!< in: offset of the page + within space */ /*********************************************************************//** Gets the current length of the free list of buffer blocks. @return length of the free list */ @@ -1033,9 +1115,10 @@ Determine if a block is a sentinel for a buffer pool watch. @return TRUE if a sentinel for a buffer pool watch, FALSE if not */ UNIV_INTERN ibool -buf_pool_watch_is( -/*==============*/ - const buf_page_t* bpage) /*!< in: block */ +buf_pool_watch_is_sentinel( +/*=======================*/ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + const buf_page_t* bpage) /*!< in: block */ __attribute__((nonnull, warn_unused_result)); /****************************************************************//** Add watch for the given page to be read in. Caller must have the buffer pool @@ -1069,6 +1152,23 @@ buf_pool_watch_occurred( ulint space, /*!< in: space id */ ulint offset) /*!< in: page number */ __attribute__((warn_unused_result)); +/********************************************************************//** +Get total buffer pool statistics. */ +UNIV_INTERN +void +buf_get_total_list_len( +/*===================*/ + ulint* LRU_len, /*!< out: length of all LRU lists */ + ulint* free_len, /*!< out: length of all free lists */ + ulint* flush_list_len);/*!< out: length of all flush lists */ +/********************************************************************//** +Get total buffer pool statistics. */ +UNIV_INTERN +void +buf_get_total_stat( +/*===============*/ + buf_pool_stat_t*tot_stat); /*!< out: buffer pool stats */ + #endif /* !UNIV_HOTBACKUP */ /** The common buffer control block structure @@ -1078,18 +1178,18 @@ struct buf_page_struct{ /** @name General fields None of these bit-fields must be modified without holding buf_page_get_mutex() [buf_block_struct::mutex or - buf_pool_zip_mutex], since they can be stored in the same + buf_pool->zip_mutex], since they can be stored in the same machine word. Some of these fields are additionally protected - by buf_pool_mutex. */ + by buf_pool->mutex. */ /* @{ */ unsigned space:32; /*!< tablespace id; also protected - by buf_pool_mutex. */ + by buf_pool->mutex. */ unsigned offset:32; /*!< page number; also protected - by buf_pool_mutex. */ + by buf_pool->mutex. */ unsigned state:3; /*!< state of the control block; also - protected by buf_pool_mutex. + protected by buf_pool->mutex. State transitions from BUF_BLOCK_READY_FOR_USE to BUF_BLOCK_MEMORY need not be @@ -1101,7 +1201,7 @@ struct buf_page_struct{ flush_type. @see enum buf_flush */ unsigned io_fix:2; /*!< type of pending I/O operation; - also protected by buf_pool_mutex + also protected by buf_pool->mutex @see enum buf_io_fix */ unsigned buf_fix_count:25;/*!< count of how manyfold this block is currently bufferfixed */ @@ -1190,8 +1290,8 @@ struct buf_page_struct{ any one of the two mutexes */ /* @} */ /** @name LRU replacement algorithm fields - These fields are protected by buf_pool_mutex only (not - buf_pool_zip_mutex or buf_block_struct::mutex). */ + These fields are protected by buf_pool->mutex only (not + buf_pool->zip_mutex or buf_block_struct::mutex). */ /* @{ */ UT_LIST_NODE_T(buf_page_t) LRU; @@ -1221,6 +1321,8 @@ struct buf_page_struct{ frees a page in buffer pool */ # endif /* UNIV_DEBUG_FILE_ACCESSES */ #endif /* !UNIV_HOTBACKUP */ + buf_pool_t* buf_pool; /*!< buffer pool instance this + page belongs to */ }; /** The buffer control block structure */ @@ -1260,7 +1362,7 @@ struct buf_block_struct{ unsigned lock_hash_val:32;/*!< hashed value of the page address in the record lock hash table; protected by buf_block_t::lock - (or buf_block_t::mutex, buf_pool_mutex + (or buf_block_t::mutex, buf_pool->mutex in buf_page_get_gen(), buf_page_init_for_read() and buf_page_create()) */ @@ -1389,6 +1491,16 @@ struct buf_pool_stat_struct{ buf_page_peek_if_too_old() */ }; +/** Statistics of buddy blocks of a given size. */ +struct buf_buddy_stat_struct { + /** Number of blocks allocated from the buddy system. */ + ulint used; + /** Number of blocks relocated by the buddy system. */ + ib_uint64_t relocated; + /** Total duration of block relocations, in microseconds. */ + ib_uint64_t relocated_usec; +}; + /** @brief The buffer pool structure. NOTE! The definition appears here only for other modules of this @@ -1398,7 +1510,25 @@ struct buf_pool_struct{ /** @name General fields */ /* @{ */ - + mutex_t mutex; /*!< Buffer pool mutex of this + instance */ + mutex_t zip_mutex; /*!< Zip mutex of this buffer + pool instance, protects compressed + only pages (of type buf_page_t, not + buf_block_t */ + ulint instance_no; /*!< Array index of this buffer + pool instance */ + ulint old_pool_size; /*!< Old pool size in bytes */ + ulint curr_pool_size; /*!< Current pool size in bytes */ + ulint LRU_old_ratio; /*!< Reserve this much of the buffer + pool for "old" blocks */ +#ifdef UNIV_DEBUG + ulint buddy_n_frames; /*!< Number of frames allocated from + the buffer pool to the buddy system */ +#endif +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG + ulint mutex_exit_forbidden; /*!< Forbid release mutex */ +#endif ulint n_chunks; /*!< number of buffer pool chunks */ buf_chunk_t* chunks; /*!< buffer pool chunks */ ulint curr_size; /*!< current pool size in pages */ @@ -1410,12 +1540,16 @@ struct buf_pool_struct{ whose frames are allocated to the zip buddy system, indexed by block->frame */ - ulint n_pend_reads; /*!< number of pending read operations */ + ulint n_pend_reads; /*!< number of pending read + operations */ ulint n_pend_unzip; /*!< number of pending decompressions */ time_t last_printout_time; /*!< when buf_print_io was last time called */ + buf_buddy_stat_t buddy_stat[BUF_BUDDY_SIZES + 1]; + /*!< Statistics of buddy system, + indexed by block size */ buf_pool_stat_t stat; /*!< current statistics */ buf_pool_stat_t old_stat; /*!< old statistics */ @@ -1432,14 +1566,6 @@ struct buf_pool_struct{ the bpage is on flush_list. It also protects writes to bpage::oldest_modification */ - mutex_t flush_order_mutex;/*!< mutex to serialize access to - the flush list when we are putting - dirty blocks in the list. The idea - behind this mutex is to be able - to release log_sys->mutex during - mtr_commit and still ensure that - insertions in the flush_list happen - in the LSN order. */ UT_LIST_BASE_NODE_T(buf_page_t) flush_list; /*!< base node of the modified block list */ @@ -1519,6 +1645,12 @@ struct buf_pool_struct{ /*!< unmodified compressed pages */ UT_LIST_BASE_NODE_T(buf_page_t) zip_free[BUF_BUDDY_SIZES]; /*!< buddy free lists */ + + buf_page_t watch[BUF_POOL_WATCH_SIZE]; + /*!< Sentinel records for buffer + pool watches. Protected by + buf_pool->mutex. */ + #if BUF_BUDDY_HIGH != UNIV_PAGE_SIZE # error "BUF_BUDDY_HIGH != UNIV_PAGE_SIZE" #endif @@ -1540,65 +1672,51 @@ Use these instead of accessing buf_pool_mutex directly. */ /* @{ */ /** Test if buf_pool_mutex is owned. */ -#define buf_pool_mutex_own() mutex_own(&buf_pool_mutex) +#define buf_pool_mutex_own(b) mutex_own(&b->mutex) /** Acquire the buffer pool mutex. */ -#define buf_pool_mutex_enter() do { \ - ut_ad(!mutex_own(&buf_pool_zip_mutex)); \ - mutex_enter(&buf_pool_mutex); \ +#define buf_pool_mutex_enter(b) do { \ + ut_ad(!mutex_own(&b->zip_mutex)); \ + mutex_enter(&b->mutex); \ } while (0) /** Test if flush list mutex is owned. */ -#define buf_flush_list_mutex_own() mutex_own(&buf_pool->flush_list_mutex) +#define buf_flush_list_mutex_own(b) mutex_own(&b->flush_list_mutex) /** Acquire the flush list mutex. */ -#define buf_flush_list_mutex_enter() do { \ - mutex_enter(&buf_pool->flush_list_mutex); \ +#define buf_flush_list_mutex_enter(b) do { \ + mutex_enter(&b->flush_list_mutex); \ } while (0) /** Release the flush list mutex. */ -# define buf_flush_list_mutex_exit() do { \ - mutex_exit(&buf_pool->flush_list_mutex); \ +# define buf_flush_list_mutex_exit(b) do { \ + mutex_exit(&b->flush_list_mutex); \ } while (0) -/** Test if flush order mutex is owned. */ -#define buf_flush_order_mutex_own() mutex_own(&buf_pool->flush_order_mutex) - -/** Acquire the flush order mutex. */ -#define buf_flush_order_mutex_enter() do { \ - mutex_enter(&buf_pool->flush_order_mutex); \ -} while (0) -/** Release the flush order mutex. */ -# define buf_flush_order_mutex_exit() do { \ - mutex_exit(&buf_pool->flush_order_mutex); \ -} while (0) #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG -/** Flag to forbid the release of the buffer pool mutex. -Protected by buf_pool_mutex. */ -extern ulint buf_pool_mutex_exit_forbidden; /** Forbid the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_forbid() do { \ - ut_ad(buf_pool_mutex_own()); \ - buf_pool_mutex_exit_forbidden++; \ +# define buf_pool_mutex_exit_forbid(b) do { \ + ut_ad(buf_pool_mutex_own(b)); \ + b->mutex_exit_forbidden++; \ } while (0) /** Allow the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_allow() do { \ - ut_ad(buf_pool_mutex_own()); \ - ut_a(buf_pool_mutex_exit_forbidden); \ - buf_pool_mutex_exit_forbidden--; \ +# define buf_pool_mutex_exit_allow(b) do { \ + ut_ad(buf_pool_mutex_own(b)); \ + ut_a(b->mutex_exit_forbidden); \ + b->mutex_exit_forbidden--; \ } while (0) /** Release the buffer pool mutex. */ -# define buf_pool_mutex_exit() do { \ - ut_a(!buf_pool_mutex_exit_forbidden); \ - mutex_exit(&buf_pool_mutex); \ +# define buf_pool_mutex_exit(b) do { \ + ut_a(!b->mutex_exit_forbidden); \ + mutex_exit(&b->mutex); \ } while (0) #else /** Forbid the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_forbid() ((void) 0) +# define buf_pool_mutex_exit_forbid(b) ((void) 0) /** Allow the release of the buffer pool mutex. */ -# define buf_pool_mutex_exit_allow() ((void) 0) +# define buf_pool_mutex_exit_allow(b) ((void) 0) /** Release the buffer pool mutex. */ -# define buf_pool_mutex_exit() mutex_exit(&buf_pool_mutex) +# define buf_pool_mutex_exit(b) mutex_exit(&b->mutex) #endif #endif /* !UNIV_HOTBACKUP */ /* @} */ diff --git a/include/buf0buf.ic b/include/buf0buf.ic index b9a9662fdc5..c30be5b2635 100644 --- a/include/buf0buf.ic +++ b/include/buf0buf.ic @@ -31,11 +31,32 @@ Created 11/5/1995 Heikki Tuuri *******************************************************/ #include "mtr0mtr.h" -#ifndef UNIV_HOTBACKUP #include "buf0flu.h" #include "buf0lru.h" #include "buf0rea.h" +/*********************************************************************//** +Gets the current size of buffer buf_pool in bytes. +@return size in bytes */ +UNIV_INLINE +ulint +buf_pool_get_curr_size(void) +/*========================*/ +{ + return(srv_buf_pool_curr_size); +} + +/*********************************************************************//** +Gets the current size of buffer buf_pool in pages. +@return size in pages*/ +UNIV_INLINE +ulint +buf_pool_get_n_pages(void) +/*======================*/ +{ + return(buf_pool_get_curr_size() / UNIV_PAGE_SIZE); +} + /********************************************************************//** Reads the freed_page_clock of a buffer block. @return freed_page_clock */ @@ -45,7 +66,7 @@ buf_page_get_freed_page_clock( /*==========================*/ const buf_page_t* bpage) /*!< in: block */ { - /* This is sometimes read without holding buf_pool_mutex. */ + /* This is sometimes read without holding buf_pool->mutex. */ return(bpage->freed_page_clock); } @@ -72,6 +93,8 @@ buf_page_peek_if_too_old( /*=====================*/ const buf_page_t* bpage) /*!< in: block to make younger */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + if (UNIV_UNLIKELY(buf_pool->freed_page_clock == 0)) { /* If eviction has not started yet, do not update the statistics or move blocks in the LRU list. This is @@ -93,54 +116,11 @@ buf_page_peek_if_too_old( return((buf_pool->freed_page_clock & ((1UL << 31) - 1)) > ((ulint) bpage->freed_page_clock + (buf_pool->curr_size - * (BUF_LRU_OLD_RATIO_DIV - buf_LRU_old_ratio) + * (BUF_LRU_OLD_RATIO_DIV - buf_pool->LRU_old_ratio) / (BUF_LRU_OLD_RATIO_DIV * 4)))); } } -/*********************************************************************//** -Gets the current size of buffer buf_pool in bytes. -@return size in bytes */ -UNIV_INLINE -ulint -buf_pool_get_curr_size(void) -/*========================*/ -{ - return(buf_pool->curr_size * UNIV_PAGE_SIZE); -} - -/********************************************************************//** -Gets the smallest oldest_modification lsn for any page in the pool. Returns -zero if all modified pages have been flushed to disk. -@return oldest modification in pool, zero if none */ -UNIV_INLINE -ib_uint64_t -buf_pool_get_oldest_modification(void) -/*==================================*/ -{ - buf_page_t* bpage; - ib_uint64_t lsn; - - buf_flush_list_mutex_enter(); - - bpage = UT_LIST_GET_LAST(buf_pool->flush_list); - - if (bpage == NULL) { - lsn = 0; - } else { - ut_ad(bpage->in_flush_list); - lsn = bpage->oldest_modification; - } - - buf_flush_list_mutex_exit(); - - /* The returned answer may be out of date: the flush_list can - change after the mutex has been released. */ - - return(lsn); -} -#endif /* !UNIV_HOTBACKUP */ - /*********************************************************************//** Gets the state of a block. @return state */ @@ -293,13 +273,15 @@ buf_page_get_mutex( /*===============*/ const buf_page_t* bpage) /*!< in: pointer to control block */ { + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_FREE: ut_error; return(NULL); case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: - return(&buf_pool_zip_mutex); + return(&buf_pool->zip_mutex); default: return(&((buf_block_t*) bpage)->mutex); } @@ -385,7 +367,7 @@ Gets the io_fix state of a block. UNIV_INLINE enum buf_io_fix buf_block_get_io_fix( -/*================*/ +/*=================*/ const buf_block_t* block) /*!< in: pointer to the control block */ { return(buf_page_get_io_fix(&block->page)); @@ -400,7 +382,10 @@ buf_page_set_io_fix( buf_page_t* bpage, /*!< in/out: control block */ enum buf_io_fix io_fix) /*!< in: io_fix state */ { - ut_ad(buf_pool_mutex_own()); +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_ad(mutex_own(buf_page_get_mutex(bpage))); bpage->io_fix = io_fix; @@ -428,7 +413,10 @@ buf_page_can_relocate( /*==================*/ const buf_page_t* bpage) /*!< control block being relocated */ { - ut_ad(buf_pool_mutex_own()); +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_ad(mutex_own(buf_page_get_mutex(bpage))); ut_ad(buf_page_in_file(bpage)); ut_ad(bpage->in_LRU_list); @@ -446,8 +434,11 @@ buf_page_is_old( /*============*/ const buf_page_t* bpage) /*!< in: control block */ { +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_ad(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); return(bpage->old); } @@ -461,8 +452,11 @@ buf_page_set_old( buf_page_t* bpage, /*!< in/out: control block */ ibool old) /*!< in: old */ { +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); +#endif /* UNIV_DEBUG */ ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(bpage->in_LRU_list); #ifdef UNIV_LRU_DEBUG @@ -508,8 +502,11 @@ buf_page_set_accessed( buf_page_t* bpage, /*!< in/out: control block */ ulint time_ms) /*!< in: ut_time_ms() */ { +#ifdef UNIV_DEBUG + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); + ut_ad(buf_pool_mutex_own(buf_pool)); +#endif ut_a(buf_page_in_file(bpage)); - ut_ad(buf_pool_mutex_own()); if (!bpage->access_time) { /* Make this the time of the first access. */ @@ -714,25 +711,6 @@ buf_block_get_lock_hash_val( return(block->lock_hash_val); } -/********************************************************************//** -Allocates a buffer block. -@return own: the allocated block, in state BUF_BLOCK_MEMORY */ -UNIV_INLINE -buf_block_t* -buf_block_alloc( -/*============*/ - ulint zip_size) /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ -{ - buf_block_t* block; - - block = buf_LRU_get_free_block(zip_size); - - buf_block_set_state(block, BUF_BLOCK_MEMORY); - - return(block); -} - /********************************************************************//** Frees a buffer block which does not contain a file page. */ UNIV_INLINE @@ -741,7 +719,9 @@ buf_block_free( /*===========*/ buf_block_t* block) /*!< in, own: block to be freed */ { - buf_pool_mutex_enter(); + buf_pool_t* buf_pool = buf_pool_from_bpage((buf_page_t*)block); + + buf_pool_mutex_enter(buf_pool); mutex_enter(&block->mutex); @@ -751,7 +731,7 @@ buf_block_free( mutex_exit(&block->mutex); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); } #endif /* !UNIV_HOTBACKUP */ @@ -825,7 +805,9 @@ buf_block_modify_clock_inc( buf_block_t* block) /*!< in: block */ { #ifdef UNIV_SYNC_DEBUG - ut_ad((buf_pool_mutex_own() + buf_pool_t* buf_pool = buf_pool_from_bpage((buf_page_t*)block); + + ut_ad((buf_pool_mutex_own(buf_pool) && (block->page.buf_fix_count == 0)) || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE)); #endif /* UNIV_SYNC_DEBUG */ @@ -903,6 +885,66 @@ buf_block_buf_fix_dec( #endif } +/******************************************************************//** +Returns the buffer pool instance given a page instance +@return buf_pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_bpage( +/*================*/ + const buf_page_t* bpage) /*!< in: buffer pool page */ +{ + /* Every page must be in some buffer pool. */ + ut_ad(bpage->buf_pool != NULL); + + return(bpage->buf_pool); +} + +/******************************************************************//** +Returns the buffer pool instance given a block instance +@return buf_pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_block( +/*================*/ + const buf_block_t* block) /*!< in: block */ +{ + return(buf_pool_from_bpage(&block->page)); +} + +/******************************************************************//** +Returns the buffer pool instance given space and offset of page +@return buffer pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_get( +/*==========*/ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page within space */ +{ + ulint fold; + ulint index; + ulint ignored_offset; + + ignored_offset = offset >> 6; /* 2log of BUF_READ_AHEAD_AREA (64)*/ + fold = buf_page_address_fold(space, ignored_offset); + index = fold % srv_buf_pool_instances; + return buf_pool_ptr[index]; +} + +/******************************************************************//** +Returns the buffer pool instance given its array index +@return buffer pool */ +UNIV_INLINE +buf_pool_t* +buf_pool_from_array( +/*================*/ + ulint index) /*!< in: array index to get + buffer pool instance from */ +{ + return buf_pool_ptr[index]; +} + /******************************************************************//** Returns the control block of a file page, NULL if not found. @return block, NULL if not found */ @@ -910,14 +952,17 @@ UNIV_INLINE buf_page_t* buf_page_hash_get_low( /*==================*/ - ulint space, /*!< in: space id */ - ulint offset, /*!< in: offset of the page within space */ - ulint fold) /*!< in: buf_page_address_fold(space, offset) */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset, /*!< in: offset of the page + within space */ + ulint fold) /*!< in: buf_page_address_fold( + space, offset) */ { buf_page_t* bpage; ut_ad(buf_pool); - ut_ad(buf_pool_mutex_own()); + ut_ad(buf_pool_mutex_own(buf_pool)); ut_ad(fold == buf_page_address_fold(space, offset)); /* Look for the page in the hash table */ @@ -943,13 +988,17 @@ UNIV_INLINE buf_page_t* buf_page_hash_get( /*==============*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page + within space */ { + buf_page_t* bpage; ulint fold = buf_page_address_fold(space, offset); - buf_page_t* bpage = buf_page_hash_get_low(space, offset, fold); - if (bpage && UNIV_UNLIKELY(buf_pool_watch_is(bpage))) { + bpage = buf_page_hash_get_low(buf_pool, space, offset, fold); + + if (bpage && buf_pool_watch_is_sentinel(buf_pool, bpage)) { bpage = NULL; } @@ -964,12 +1013,14 @@ UNIV_INLINE buf_block_t* buf_block_hash_get( /*===============*/ - ulint space, /*!< in: space id */ - ulint offset) /*!< in: offset of the page within space */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint space, /*!< in: space id */ + ulint offset) /*!< in: offset of the page + within space */ { buf_block_t* block; - block = buf_page_get_block(buf_page_hash_get(space, offset)); + block = buf_page_get_block(buf_page_hash_get(buf_pool, space, offset)); return(block); } @@ -989,12 +1040,13 @@ buf_page_peek( ulint offset) /*!< in: page number */ { const buf_page_t* bpage; + buf_pool_t* buf_pool = buf_pool_get(space, offset); - buf_pool_mutex_enter(); + buf_pool_mutex_enter(buf_pool); - bpage = buf_page_hash_get(space, offset); + bpage = buf_page_hash_get(buf_pool, space, offset); - buf_pool_mutex_exit(); + buf_pool_mutex_exit(buf_pool); return(bpage != NULL); } @@ -1008,6 +1060,7 @@ buf_page_release_zip( buf_page_t* bpage) /*!< in: buffer block */ { buf_block_t* block; + buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); ut_ad(bpage); ut_a(bpage->buf_fix_count > 0); @@ -1015,9 +1068,9 @@ buf_page_release_zip( switch (buf_page_get_state(bpage)) { case BUF_BLOCK_ZIP_PAGE: case BUF_BLOCK_ZIP_DIRTY: - mutex_enter(&buf_pool_zip_mutex); + mutex_enter(&buf_pool->zip_mutex); bpage->buf_fix_count--; - mutex_exit(&buf_pool_zip_mutex); + mutex_exit(&buf_pool->zip_mutex); return; case BUF_BLOCK_FILE_PAGE: block = (buf_block_t*) bpage; @@ -1036,6 +1089,7 @@ buf_page_release_zip( break; } + ut_error; } @@ -1087,4 +1141,37 @@ buf_block_dbg_add_level( sync_thread_add_level(&block->lock, level); } #endif /* UNIV_SYNC_DEBUG */ +/********************************************************************//** +Acquire mutex on all buffer pool instances. */ +UNIV_INLINE +void +buf_pool_mutex_enter_all(void) +/*==========================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_pool_mutex_enter(buf_pool); + } +} + +/********************************************************************//** +Release mutex on all buffer pool instances. */ +UNIV_INLINE +void +buf_pool_mutex_exit_all(void) +/*=========================*/ +{ + ulint i; + + for (i = 0; i < srv_buf_pool_instances; i++) { + buf_pool_t* buf_pool; + + buf_pool = buf_pool_from_array(i); + buf_pool_mutex_exit(buf_pool); + } +} #endif /* !UNIV_HOTBACKUP */ diff --git a/include/buf0flu.h b/include/buf0flu.h index c76fcace46e..55814b6bf86 100644 --- a/include/buf0flu.h +++ b/include/buf0flu.h @@ -31,6 +31,7 @@ Created 11/5/1995 Heikki Tuuri #ifndef UNIV_HOTBACKUP #include "mtr0types.h" #include "buf0types.h" +#include "log0log.h" /********************************************************************//** Remove a block from the flush list of modified blocks. */ @@ -58,11 +59,19 @@ buf_flush_write_complete( buf_page_t* bpage); /*!< in: pointer to the block in question */ /*********************************************************************//** Flushes pages from the end of the LRU list if there is too small -a margin of replaceable pages there. */ +a margin of replaceable pages there. If buffer pool is NULL it +means flush free margin on all buffer pool instances. */ UNIV_INTERN void -buf_flush_free_margin(void); -/*=======================*/ +buf_flush_free_margin( +/*==================*/ + buf_pool_t* buf_pool); +/*********************************************************************//** +Flushes pages from the end of all the LRU lists. */ +UNIV_INTERN +void +buf_flush_free_margins(void); +/*=========================*/ #endif /* !UNIV_HOTBACKUP */ /********************************************************************//** Initializes a page for writing to the tablespace. */ @@ -76,21 +85,30 @@ buf_flush_init_for_writing( to the page */ #ifndef UNIV_HOTBACKUP /*******************************************************************//** -This utility flushes dirty blocks from the end of the LRU list or flush_list. -NOTE 1: in the case of an LRU flush the calling thread may own latches to -pages: to avoid deadlocks, this function must be written so that it cannot -end up waiting for these latches! NOTE 2: in the case of a flush list flush, -the calling thread is not allowed to own any latches on pages! +This utility flushes dirty blocks from the end of the LRU list. +NOTE: The calling thread may own latches to pages: to avoid deadlocks, +this function must be written so that it cannot end up waiting for these +latches! @return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ UNIV_INTERN ulint -buf_flush_batch( +buf_flush_LRU( +/*==========*/ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint min_n); /*!< in: wished minimum mumber of blocks + flushed (it is not guaranteed that the + actual number is that big, though) */ +/*******************************************************************//** +This utility flushes dirty blocks from the end of the flush_list of +all buffer pool instances. +NOTE: The calling thread is not allowed to own any latches on pages! +@return number of blocks for which the write request was queued; +ULINT_UNDEFINED if there was a flush of the same type already running */ +UNIV_INTERN +ulint +buf_flush_list( /*============*/ - enum buf_flush flush_type, /*!< in: BUF_FLUSH_LRU or - BUF_FLUSH_LIST; if BUF_FLUSH_LIST, - then the caller must not own any - latches on pages */ ulint min_n, /*!< in: wished minimum mumber of blocks flushed (it is not guaranteed that the actual number is that big, though) */ @@ -105,7 +123,9 @@ UNIV_INTERN void buf_flush_wait_batch_end( /*=====================*/ - enum buf_flush type); /*!< in: BUF_FLUSH_LRU or BUF_FLUSH_LIST */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + enum buf_flush type); /*!< in: BUF_FLUSH_LRU + or BUF_FLUSH_LIST */ /********************************************************************//** This function should be called at a mini-transaction commit, if a page was modified in it. Puts the block to the list of modified blocks, if it not @@ -181,8 +201,9 @@ Validates the flush list. @return TRUE if ok */ UNIV_INTERN ibool -buf_flush_validate(void); -/*====================*/ +buf_flush_validate( +/*===============*/ + buf_pool_t* buf_pool); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ /********************************************************************//** @@ -205,9 +226,10 @@ buf_flush_free_flush_rbt(void); available to replacement in the free list and at the end of the LRU list (to make sure that a read-ahead batch can be read efficiently in a single sweep). */ -#define BUF_FLUSH_FREE_BLOCK_MARGIN (5 + BUF_READ_AHEAD_AREA) +#define BUF_FLUSH_FREE_BLOCK_MARGIN(b) (5 + BUF_READ_AHEAD_AREA(b)) /** Extra margin to apply above BUF_FLUSH_FREE_BLOCK_MARGIN */ -#define BUF_FLUSH_EXTRA_MARGIN (BUF_FLUSH_FREE_BLOCK_MARGIN / 4 + 100) +#define BUF_FLUSH_EXTRA_MARGIN(b) (BUF_FLUSH_FREE_BLOCK_MARGIN(b) / 4 \ + + 100) #endif /* !UNIV_HOTBACKUP */ #ifndef UNIV_NONINL diff --git a/include/buf0flu.ic b/include/buf0flu.ic index fb71932e453..30e2cc8efe8 100644 --- a/include/buf0flu.ic +++ b/include/buf0flu.ic @@ -33,8 +33,9 @@ UNIV_INTERN void buf_flush_insert_into_flush_list( /*=============================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn); /*!< in: oldest modification */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ /********************************************************************//** Inserts a modified block into the flush list in the right sorted position. This function is used by recovery, because there the modifications do not @@ -43,8 +44,9 @@ UNIV_INTERN void buf_flush_insert_sorted_into_flush_list( /*====================================*/ - buf_block_t* block, /*!< in/out: block which is modified */ - ib_uint64_t lsn); /*!< in: oldest modification */ + buf_pool_t* buf_pool, /*!< buffer pool instance */ + buf_block_t* block, /*!< in/out: block which is modified */ + ib_uint64_t lsn); /*!< in: oldest modification */ /********************************************************************//** This function should be called at a mini-transaction commit, if a page was @@ -57,6 +59,8 @@ buf_flush_note_modification( buf_block_t* block, /*!< in: block which is modified */ mtr_t* mtr) /*!< in: mtr */ { + buf_pool_t* buf_pool = buf_pool_from_block(block); + ut_ad(block); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); ut_ad(block->page.buf_fix_count > 0); @@ -64,9 +68,9 @@ buf_flush_note_modification( ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); #endif /* UNIV_SYNC_DEBUG */ - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); - ut_ad(buf_flush_order_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); + ut_ad(!buf_flush_list_mutex_own(buf_pool)); + ut_ad(log_flush_order_mutex_own()); ut_ad(mtr->start_lsn != 0); ut_ad(mtr->modifications); @@ -77,7 +81,8 @@ buf_flush_note_modification( block->page.newest_modification = mtr->end_lsn; if (!block->page.oldest_modification) { - buf_flush_insert_into_flush_list(block, mtr->start_lsn); + buf_flush_insert_into_flush_list( + buf_pool, block, mtr->start_lsn); } else { ut_ad(block->page.oldest_modification <= mtr->start_lsn); } @@ -99,6 +104,8 @@ buf_flush_recv_note_modification( ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the set of mtr's */ { + buf_pool_t* buf_pool = buf_pool_from_block(block); + ut_ad(block); ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); ut_ad(block->page.buf_fix_count > 0); @@ -106,9 +113,9 @@ buf_flush_recv_note_modification( ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX)); #endif /* UNIV_SYNC_DEBUG */ - ut_ad(!buf_pool_mutex_own()); - ut_ad(!buf_flush_list_mutex_own()); - ut_ad(buf_flush_order_mutex_own()); + ut_ad(!buf_pool_mutex_own(buf_pool)); + ut_ad(!buf_flush_list_mutex_own(buf_pool)); + ut_ad(log_flush_order_mutex_own()); ut_ad(start_lsn != 0); ut_ad(block->page.newest_modification <= end_lsn); @@ -117,7 +124,8 @@ buf_flush_recv_note_modification( block->page.newest_modification = end_lsn; if (!block->page.oldest_modification) { - buf_flush_insert_sorted_into_flush_list(block, start_lsn); + buf_flush_insert_sorted_into_flush_list( + buf_pool, block, start_lsn); } else { ut_ad(block->page.oldest_modification <= start_lsn); } diff --git a/include/buf0lru.h b/include/buf0lru.h index 009430af35b..4fda88ef90c 100644 --- a/include/buf0lru.h +++ b/include/buf0lru.h @@ -52,8 +52,9 @@ operations need new buffer blocks, and the i/o work done in flushing would be wasted. */ UNIV_INTERN void -buf_LRU_try_free_flushed_blocks(void); -/*==================================*/ +buf_LRU_try_free_flushed_blocks( +/*============================*/ + buf_pool_t* buf_pool); /*!< in: buffer pool instance */ /******************************************************************//** Returns TRUE if less than 25 % of the buffer pool is available. This can be used in heuristics to prevent huge transactions eating up the whole buffer @@ -72,7 +73,7 @@ These are low-level functions #define BUF_LRU_OLD_MIN_LEN 512 /* 8 megabytes of 16k pages */ /** Maximum LRU list search length in buf_flush_LRU_recommendation() */ -#define BUF_LRU_FREE_SEARCH_LEN (5 + 2 * BUF_READ_AHEAD_AREA) +#define BUF_LRU_FREE_SEARCH_LEN(b) (5 + 2 * BUF_READ_AHEAD_AREA(b)) /******************************************************************//** Invalidates all pages belonging to a given tablespace when we are deleting @@ -97,10 +98,10 @@ Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. NOTE: If this function returns BUF_LRU_FREED, it will not temporarily -release buf_pool_mutex. Furthermore, the page frame will no longer be +release buf_pool->mutex. Furthermore, the page frame will no longer be accessible via bpage. -The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and +The caller must hold buf_pool->mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. @return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or @@ -114,7 +115,7 @@ buf_LRU_free_block( compressed page of an uncompressed page */ ibool* buf_pool_mutex_released); /*!< in: pointer to a variable that will - be assigned TRUE if buf_pool_mutex + be assigned TRUE if buf_pool->mutex was temporarily released, or NULL */ /******************************************************************//** Try to free a replaceable block. @@ -123,22 +124,26 @@ UNIV_INTERN ibool buf_LRU_search_and_free_block( /*==========================*/ - ulint n_iterations); /*!< in: how many times this has been called - repeatedly without result: a high value means - that we should search farther; if - n_iterations < 10, then we search - n_iterations / 10 * buf_pool->curr_size - pages from the end of the LRU list; if - n_iterations < 5, then we will also search - n_iterations / 5 of the unzip_LRU list. */ + buf_pool_t* buf_pool, /*!< in: buffer pool instance */ + ulint n_iterations); /*!< in: how many times this has + been called repeatedly without + result: a high value means that + we should search farther; if + n_iterations < 10, then we search + n_iterations / 10 * buf_pool->curr_size + pages from the end of the LRU list; if + n_iterations < 5, then we will + also search n_iterations / 5 + of the unzip_LRU list. */ /******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, returns NULL. @return a free control block, or NULL if the buf_block->free list is empty */ UNIV_INTERN buf_block_t* -buf_LRU_get_free_only(void); -/*=======================*/ +buf_LRU_get_free_only( +/*==================*/ + buf_pool_t* buf_pool); /*!< buffer pool instance */ /******************************************************************//** Returns a free block from the buf_pool. The block is taken off the free list. If it is empty, blocks are moved from the end of the @@ -148,8 +153,9 @@ UNIV_INTERN buf_block_t* buf_LRU_get_free_block( /*===================*/ - ulint zip_size); /*!< in: compressed page size in bytes, - or 0 if uncompressed tablespace */ + buf_pool_t* buf_pool, /*!< in: preferred buffer pool */ + ulint zip_size); /*!< in: compressed page size in bytes, + or 0 if uncompressed tablespace */ /******************************************************************//** Puts a block back to the free list. */ @@ -196,7 +202,7 @@ buf_LRU_make_block_old( Updates buf_LRU_old_ratio. @return updated old_pct */ UNIV_INTERN -uint +ulint buf_LRU_old_ratio_update( /*=====================*/ uint old_pct,/*!< in: Reserve this percentage of @@ -232,7 +238,7 @@ buf_LRU_print(void); /** @name Heuristics for detecting index scan @{ */ /** Reserve this much/BUF_LRU_OLD_RATIO_DIV of the buffer pool for -"old" blocks. Protected by buf_pool_mutex. */ +"old" blocks. Protected by buf_pool->mutex. */ extern uint buf_LRU_old_ratio; /** The denominator of buf_LRU_old_ratio. */ #define BUF_LRU_OLD_RATIO_DIV 1024 @@ -278,7 +284,7 @@ Cleared by buf_LRU_stat_update(). */ extern buf_LRU_stat_t buf_LRU_stat_cur; /** Running sum of past values of buf_LRU_stat_cur. -Updated by buf_LRU_stat_update(). Protected by buf_pool_mutex. */ +Updated by buf_LRU_stat_update(). Protected by buf_pool->mutex. */ extern buf_LRU_stat_t buf_LRU_stat_sum; /********************************************************************//** diff --git a/include/buf0rea.h b/include/buf0rea.h index 093750623d6..4a52f9dcd8d 100644 --- a/include/buf0rea.h +++ b/include/buf0rea.h @@ -124,8 +124,8 @@ buf_read_recv_pages( /** The size in pages of the area which the read-ahead algorithms read if invoked */ -#define BUF_READ_AHEAD_AREA \ - ut_min(64, ut_2_power_up(buf_pool->curr_size / 32)) +#define BUF_READ_AHEAD_AREA(b) \ + ut_min(64, ut_2_power_up((b)->curr_size / 32)) /** @name Modes used in read-ahead @{ */ /** read only pages belonging to the insert buffer tree */ diff --git a/include/buf0types.h b/include/buf0types.h index bfae6477135..a2175098704 100644 --- a/include/buf0types.h +++ b/include/buf0types.h @@ -36,6 +36,8 @@ typedef struct buf_chunk_struct buf_chunk_t; typedef struct buf_pool_struct buf_pool_t; /** Buffer pool statistics struct */ typedef struct buf_pool_stat_struct buf_pool_stat_t; +/** Buffer pool buddy statistics struct */ +typedef struct buf_buddy_stat_struct buf_buddy_stat_t; /** A buffer frame. @see page_t */ typedef byte buf_frame_t; diff --git a/include/ibuf0ibuf.ic b/include/ibuf0ibuf.ic index 84c7a004be2..aee27cf9739 100644 --- a/include/ibuf0ibuf.ic +++ b/include/ibuf0ibuf.ic @@ -110,7 +110,7 @@ ibuf_should_try( if (ibuf_flush_count % 4 == 0) { - buf_LRU_try_free_flushed_blocks(); + buf_LRU_try_free_flushed_blocks(NULL); } return(TRUE); diff --git a/include/log0log.h b/include/log0log.h index 8fce4ef96bc..1ae94a332e5 100644 --- a/include/log0log.h +++ b/include/log0log.h @@ -763,6 +763,15 @@ struct log_struct{ #ifndef UNIV_HOTBACKUP mutex_t mutex; /*!< mutex protecting the log */ #endif /* !UNIV_HOTBACKUP */ + + mutex_t log_flush_order_mutex;/*!< mutex to serialize access to + the flush list when we are putting + dirty blocks in the list. The idea + behind this mutex is to be able + to release log_sys->mutex during + mtr_commit and still ensure that + insertions in the flush_list happen + in the LSN order. */ byte* buf_ptr; /* unaligned log buffer */ byte* buf; /*!< log buffer */ ulint buf_size; /*!< log buffer size in bytes */ @@ -952,6 +961,19 @@ struct log_struct{ #endif /* UNIV_LOG_ARCHIVE */ }; +/** Test if flush order mutex is owned. */ +#define log_flush_order_mutex_own() \ + mutex_own(&log_sys->log_flush_order_mutex) + +/** Acquire the flush order mutex. */ +#define log_flush_order_mutex_enter() do { \ + mutex_enter(&log_sys->log_flush_order_mutex); \ +} while (0) +/** Release the flush order mutex. */ +# define log_flush_order_mutex_exit() do { \ + mutex_exit(&log_sys->log_flush_order_mutex); \ +} while (0) + #ifdef UNIV_LOG_ARCHIVE /** Archiving state @{ */ #define LOG_ARCH_ON 71 diff --git a/include/srv0srv.h b/include/srv0srv.h index 74c604124f5..2cec4b919fb 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -142,6 +142,7 @@ extern my_bool srv_use_sys_malloc; extern ibool srv_use_sys_malloc; #endif /* UNIV_HOTBACKUP */ extern ulint srv_buf_pool_size; /*!< requested size in bytes */ +extern ulint srv_buf_pool_instances; /*!< requested number of buffer pool instances */ extern ulint srv_buf_pool_old_size; /*!< previously requested size */ extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ extern ulint srv_mem_pool_size; diff --git a/include/sync0sync.h b/include/sync0sync.h index 69c0382d5b9..4e73bee9108 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -81,13 +81,13 @@ extern mysql_pfs_key_t dict_sys_mutex_key; extern mysql_pfs_key_t file_format_max_mutex_key; extern mysql_pfs_key_t fil_system_mutex_key; extern mysql_pfs_key_t flush_list_mutex_key; -extern mysql_pfs_key_t flush_order_mutex_key; extern mysql_pfs_key_t hash_table_mutex_key; extern mysql_pfs_key_t ibuf_bitmap_mutex_key; extern mysql_pfs_key_t ibuf_mutex_key; extern mysql_pfs_key_t ibuf_pessimistic_insert_mutex_key; extern mysql_pfs_key_t ios_mutex_key; extern mysql_pfs_key_t log_sys_mutex_key; +extern mysql_pfs_key_t log_flush_order_mutex_key; extern mysql_pfs_key_t kernel_mutex_key; # ifdef UNIV_MEM_DEBUG extern mysql_pfs_key_t mem_hash_mutex_key; @@ -661,6 +661,7 @@ or row lock! */ #define SYNC_TRX_LOCK_HEAP 298 #define SYNC_TRX_SYS_HEADER 290 #define SYNC_LOG 170 +#define SYNC_LOG_FLUSH_ORDER 147 #define SYNC_RECV 168 #define SYNC_WORK_QUEUE 162 #define SYNC_SEARCH_SYS_CONF 161 /* for assigning btr_search_enabled */ @@ -671,7 +672,6 @@ or row lock! */ can call routines there! Otherwise the level is SYNC_MEM_HASH. */ #define SYNC_BUF_POOL 150 /* Buffer pool mutex */ -#define SYNC_BUF_FLUSH_ORDER 147 #define SYNC_BUF_BLOCK 146 /* Block mutex */ #define SYNC_BUF_FLUSH_LIST 145 /* Buffer flush list mutex */ #define SYNC_DOUBLEWRITE 140 diff --git a/include/ut0mem.h b/include/ut0mem.h index cf41cba4643..57dfb08f41c 100644 --- a/include/ut0mem.h +++ b/include/ut0mem.h @@ -113,12 +113,13 @@ ut_test_malloc( ulint n); /*!< in: try to allocate this many bytes */ #endif /* !UNIV_HOTBACKUP */ /**********************************************************************//** -Frees a memory block allocated with ut_malloc. */ +Frees a memory block allocated with ut_malloc. Freeing a NULL pointer is +a nop. */ UNIV_INTERN void ut_free( /*====*/ - void* ptr); /*!< in, own: memory block */ + void* ptr); /*!< in, own: memory block, can be NULL */ #ifndef UNIV_HOTBACKUP /**********************************************************************//** Implements realloc. This is needed by /pars/lexyy.c. Otherwise, you should not diff --git a/include/ut0rbt.h b/include/ut0rbt.h index a35807be442..7902dc91f09 100644 --- a/include/ut0rbt.h +++ b/include/ut0rbt.h @@ -1,6 +1,29 @@ -/****************************************************** -Red-Black tree implementation. -(c) 2007 Oracle/Innobase Oy +/***************************************************************************//** + +Copyright (c) 2007, 2010, Innobase Oy. All Rights Reserved. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ +/******************************************************************//** +@file include/ut0rbt.h +Various utilities Created 2007-03-20 Sunny Bains *******************************************************/ @@ -35,7 +58,7 @@ typedef struct ib_rbt_bound_struct ib_rbt_bound_t; typedef void (*ib_rbt_print_node)(const ib_rbt_node_t* node); typedef int (*ib_rbt_compare)(const void* p1, const void* p2); -/* Red black tree color types */ +/** Red black tree color types */ enum ib_rbt_color_enum { IB_RBT_RED, IB_RBT_BLACK @@ -43,7 +66,7 @@ enum ib_rbt_color_enum { typedef enum ib_rbt_color_enum ib_rbt_color_t; -/* Red black tree node */ +/** Red black tree node */ struct ib_rbt_node_struct { ib_rbt_color_t color; /* color of this node */ @@ -54,7 +77,7 @@ struct ib_rbt_node_struct { char value[1]; /* Data value */ }; -/* Red black tree instance.*/ +/** Red black tree instance.*/ struct ib_rbt_struct { ib_rbt_node_t* nil; /* Black colored node that is used as a sentinel. This is @@ -70,7 +93,7 @@ struct ib_rbt_struct { ulint sizeof_value; /* Sizeof the item in bytes */ }; -/* The result of searching for a key in the tree, this is useful for +/** The result of searching for a key in the tree, this is useful for a speedy lookup and insert if key doesn't exist.*/ struct ib_rbt_bound_struct { const ib_rbt_node_t* @@ -93,14 +116,14 @@ struct ib_rbt_bound_struct { /* Compare a key with the node value (t is tree, k is key, n is node)*/ #define rbt_compare(t, k, n) (t->compare(k, n->value)) -/************************************************************************ +/**********************************************************************//** Free an instance of a red black tree */ UNIV_INTERN void rbt_free( /*=====*/ ib_rbt_t* tree); /*!< in: rb tree to free */ -/************************************************************************ +/**********************************************************************//** Create an instance of a red black tree @return rb tree instance */ UNIV_INTERN @@ -109,7 +132,7 @@ rbt_create( /*=======*/ size_t sizeof_value, /*!< in: size in bytes */ ib_rbt_compare compare); /*!< in: comparator */ -/************************************************************************ +/**********************************************************************//** Delete a node from the red black tree, identified by key */ UNIV_INTERN ibool @@ -118,7 +141,7 @@ rbt_delete( /* in: TRUE on success */ ib_rbt_t* tree, /* in: rb tree */ const void* key); /* in: key to delete */ -/************************************************************************ +/**********************************************************************//** Remove a node from the red black tree, NOTE: This function will not delete the node instance, THAT IS THE CALLERS RESPONSIBILITY. @return the deleted node with the const. */ @@ -132,7 +155,7 @@ rbt_remove_node( is a fudge and declared const because the caller has access only to const nodes.*/ -/************************************************************************ +/**********************************************************************//** Return a node from the red black tree, identified by key, NULL if not found @return node if found else return NULL */ @@ -142,7 +165,7 @@ rbt_lookup( /*=======*/ const ib_rbt_t* tree, /*!< in: rb tree to search */ const void* key); /*!< in: key to lookup */ -/************************************************************************ +/**********************************************************************//** Add data to the red black tree, identified by key (no dups yet!) @return inserted node */ UNIV_INTERN @@ -153,7 +176,7 @@ rbt_insert( const void* key, /*!< in: key for ordering */ const void* value); /*!< in: data that will be copied to the node.*/ -/************************************************************************ +/**********************************************************************//** Add a new node to the tree, useful for data that is pre-sorted. @return appended node */ UNIV_INTERN @@ -164,7 +187,7 @@ rbt_add_node( ib_rbt_bound_t* parent, /*!< in: parent */ const void* value); /*!< in: this value is copied to the node */ -/************************************************************************ +/**********************************************************************//** Return the left most data node in the tree @return left most node */ UNIV_INTERN @@ -172,7 +195,7 @@ const ib_rbt_node_t* rbt_first( /*======*/ const ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ +/**********************************************************************//** Return the right most data node in the tree @return right most node */ UNIV_INTERN @@ -180,7 +203,7 @@ const ib_rbt_node_t* rbt_last( /*=====*/ const ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ +/**********************************************************************//** Return the next node from current. @return successor node to current that is passed in. */ UNIV_INTERN @@ -190,7 +213,7 @@ rbt_next( const ib_rbt_t* tree, /*!< in: rb tree */ const ib_rbt_node_t* /* in: current node */ current); -/************************************************************************ +/**********************************************************************//** Return the prev node from current. @return precedessor node to current that is passed in */ UNIV_INTERN @@ -200,7 +223,7 @@ rbt_prev( const ib_rbt_t* tree, /*!< in: rb tree */ const ib_rbt_node_t* /* in: current node */ current); -/************************************************************************ +/**********************************************************************//** Find the node that has the lowest key that is >= key. @return node that satisfies the lower bound constraint or NULL */ UNIV_INTERN @@ -209,7 +232,7 @@ rbt_lower_bound( /*============*/ const ib_rbt_t* tree, /*!< in: rb tree */ const void* key); /*!< in: key to search */ -/************************************************************************ +/**********************************************************************//** Find the node that has the greatest key that is <= key. @return node that satisifies the upper bound constraint or NULL */ UNIV_INTERN @@ -218,7 +241,7 @@ rbt_upper_bound( /*============*/ const ib_rbt_t* tree, /*!< in: rb tree */ const void* key); /*!< in: key to search */ -/************************************************************************ +/**********************************************************************//** Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the parent node for the possibly new key otherwise the matching node. @@ -230,7 +253,7 @@ rbt_search( const ib_rbt_t* tree, /*!< in: rb tree */ ib_rbt_bound_t* parent, /*!< in: search bounds */ const void* key); /*!< in: key to search */ -/************************************************************************ +/**********************************************************************//** Search for the key, a node will be retuned in parent.last, whether it was found or not. If not found then parent.last will contain the parent node for the possibly new key otherwise the matching node. @@ -243,14 +266,14 @@ rbt_search_cmp( ib_rbt_bound_t* parent, /*!< in: search bounds */ const void* key, /*!< in: key to search */ ib_rbt_compare compare); /*!< in: comparator */ -/************************************************************************ +/**********************************************************************//** Clear the tree, deletes (and free's) all the nodes. */ UNIV_INTERN void rbt_clear( /*======*/ ib_rbt_t* tree); /*!< in: rb tree */ -/************************************************************************ +/**********************************************************************//** Merge the node from dst into src. Return the number of nodes merged. @return no. of recs merged */ UNIV_INTERN @@ -259,7 +282,7 @@ rbt_merge_uniq( /*===========*/ ib_rbt_t* dst, /*!< in: dst rb tree */ const ib_rbt_t* src); /*!< in: src rb tree */ -/************************************************************************ +/**********************************************************************//** Merge the node from dst into src. Return the number of nodes merged. Delete the nodes from src after copying node to dst. As a side effect the duplicates will be left untouched in the src, since we don't support @@ -272,7 +295,7 @@ rbt_merge_uniq_destructive( /*=======================*/ ib_rbt_t* dst, /*!< in: dst rb tree */ ib_rbt_t* src); /*!< in: src rb tree */ -/************************************************************************ +/**********************************************************************//** Verify the integrity of the RB tree. For debugging. 0 failure else height of tree (in count of black nodes). @return TRUE if OK FALSE if tree invalid. */ @@ -281,7 +304,7 @@ ibool rbt_validate( /*=========*/ const ib_rbt_t* tree); /*!< in: tree to validate */ -/************************************************************************ +/**********************************************************************//** Iterate over the tree in depth first order. */ UNIV_INTERN void diff --git a/log/log0log.c b/log/log0log.c index 04ced18bc69..e450307d773 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -91,6 +91,7 @@ UNIV_INTERN mysql_pfs_key_t archive_lock_key; #ifdef UNIV_PFS_MUTEX UNIV_INTERN mysql_pfs_key_t log_sys_mutex_key; +UNIV_INTERN mysql_pfs_key_t log_flush_order_mutex_key; #endif /* UNIV_PFS_MUTEX */ #ifdef UNIV_DEBUG @@ -769,6 +770,10 @@ log_init(void) mutex_create(log_sys_mutex_key, &log_sys->mutex, SYNC_LOG); + mutex_create(log_flush_order_mutex_key, + &log_sys->log_flush_order_mutex, + SYNC_LOG_FLUSH_ORDER); + mutex_enter(&(log_sys->mutex)); /* Start the lsn from one log block from zero: this way every @@ -1650,10 +1655,10 @@ log_preflush_pool_modified_pages( recv_apply_hashed_log_recs(TRUE); } - n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, new_oldest); + n_pages = buf_flush_list(ULINT_MAX, new_oldest); if (sync) { - buf_flush_wait_batch_end(BUF_FLUSH_LIST); + buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST); } if (n_pages == ULINT_UNDEFINED) { @@ -3285,9 +3290,9 @@ log_check_log_recs( ut_memcpy(scan_buf, start, end - start); - recv_scan_log_recs((buf_pool->curr_size - - recv_n_pool_free_frames) * UNIV_PAGE_SIZE, - FALSE, scan_buf, end - start, + recv_scan_log_recs((buf_pool_get_n_pages() + - (recv_n_pool_free_frames * srv_buf_pool_instances)) + * UNIV_PAGE_SIZE, FALSE, scan_buf, end - start, ut_uint64_align_down(buf_start_lsn, OS_FILE_LOG_BLOCK_SIZE), &contiguous_lsn, &scanned_lsn); diff --git a/log/log0recv.c b/log/log0recv.c index 0e96dbbb960..04c06f62df5 100644 --- a/log/log0recv.c +++ b/log/log0recv.c @@ -1659,11 +1659,15 @@ recv_recover_page_func( #ifndef UNIV_HOTBACKUP if (modification_to_page) { + buf_pool_t* buf_pool; + ut_a(block); - buf_flush_order_mutex_enter(); + buf_pool = buf_pool_from_block(block); + + log_flush_order_mutex_enter(); buf_flush_recv_note_modification(block, start_lsn, end_lsn); - buf_flush_order_mutex_exit(); + log_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ @@ -1848,11 +1852,10 @@ loop: mutex_exit(&(recv_sys->mutex)); mutex_exit(&(log_sys->mutex)); - n_pages = buf_flush_batch(BUF_FLUSH_LIST, ULINT_MAX, - IB_ULONGLONG_MAX); - ut_a(n_pages != ULINT_UNDEFINED); - - buf_flush_wait_batch_end(BUF_FLUSH_LIST); + n_pages = buf_flush_list(ULINT_MAX, IB_ULONGLONG_MAX); + ut_a(n_pages != ULINT_UNDEFINED); + + buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST); buf_pool_invalidate(); @@ -2762,8 +2765,8 @@ recv_scan_log_recs( recv_parse_log_recs(store_to_hash); #ifndef UNIV_HOTBACKUP - if (store_to_hash && mem_heap_get_size(recv_sys->heap) - > available_memory) { + if (store_to_hash + && mem_heap_get_size(recv_sys->heap) > available_memory) { /* Hash table of log records has grown too big: empty it; FALSE means no ibuf operations @@ -2815,8 +2818,10 @@ recv_group_scan_log_recs( group, start_lsn, end_lsn); finished = recv_scan_log_recs( - (buf_pool->curr_size - recv_n_pool_free_frames) - * UNIV_PAGE_SIZE, TRUE, log_sys->buf, RECV_SCAN_SIZE, + (buf_pool_get_n_pages() + - (recv_n_pool_free_frames * srv_buf_pool_instances)) + * UNIV_PAGE_SIZE, + TRUE, log_sys->buf, RECV_SCAN_SIZE, start_lsn, contiguous_lsn, group_scanned_lsn); start_lsn = end_lsn; } @@ -3497,6 +3502,7 @@ recv_reset_log_files_for_backup( #endif /* UNIV_HOTBACKUP */ #ifdef UNIV_LOG_ARCHIVE +/* Dead code */ /******************************************************//** Reads from the archive of a log group and performs recovery. @return TRUE if no more complete consistent archive files */ @@ -3662,7 +3668,8 @@ ask_again: read_offset % UNIV_PAGE_SIZE, len, buf, NULL); ret = recv_scan_log_recs( - (buf_pool->n_frames - recv_n_pool_free_frames) + (buf_pool_get_n_pages() + - (recv_n_pool_free_frames * srv_buf_pool_instances)) * UNIV_PAGE_SIZE, TRUE, buf, len, start_lsn, &dummy_lsn, &scanned_lsn); diff --git a/mem/mem0mem.c b/mem/mem0mem.c index c0ce8a3e1ac..3e0e31c0891 100644 --- a/mem/mem0mem.c +++ b/mem/mem0mem.c @@ -347,7 +347,7 @@ mem_heap_create_block( return(NULL); } } else { - buf_block = buf_block_alloc(0); + buf_block = buf_block_alloc(NULL, 0); } block = (mem_block_t*) buf_block->frame; diff --git a/mtr/mtr0mtr.c b/mtr/mtr0mtr.c index 78618564ef1..b01462f6b9b 100644 --- a/mtr/mtr0mtr.c +++ b/mtr/mtr0mtr.c @@ -120,10 +120,14 @@ mtr_memo_slot_note_modification( ut_ad(mtr); ut_ad(mtr->magic_n == MTR_MAGIC_N); ut_ad(mtr->modifications); - ut_ad(buf_flush_order_mutex_own()); if (slot->object != NULL && slot->type == MTR_MEMO_PAGE_X_FIX) { - buf_flush_note_modification((buf_block_t*) slot->object, mtr); + buf_block_t* block = (buf_block_t*) slot->object; + +#ifdef UNIV_DEBUG + ut_ad(log_flush_order_mutex_own()); +#endif /* UNIV_DEBUG */ + buf_flush_note_modification(block, mtr); } } @@ -221,16 +225,18 @@ mtr_log_reserve_and_write( mtr->end_lsn = log_close(); func_exit: - buf_flush_order_mutex_enter(); + log_flush_order_mutex_enter(); /* It is now safe to release the log mutex because the flush_order mutex will ensure that we are the first one to insert into the flush list. */ log_release(); + if (mtr->modifications) { mtr_memo_note_modifications(mtr); } - buf_flush_order_mutex_exit(); + + log_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ @@ -324,7 +330,7 @@ mtr_memo_release( offset = dyn_array_get_data_size(memo); - buf_flush_order_mutex_enter(); + log_flush_order_mutex_enter(); while (offset > 0) { offset -= sizeof(mtr_memo_slot_t); @@ -340,7 +346,7 @@ mtr_memo_release( break; } } - buf_flush_order_mutex_exit(); + log_flush_order_mutex_exit(); } #endif /* !UNIV_HOTBACKUP */ diff --git a/page/page0zip.c b/page/page0zip.c index aa5e39ff04a..cc7ec2f404c 100644 --- a/page/page0zip.c +++ b/page/page0zip.c @@ -4416,6 +4416,7 @@ page_zip_reorganize( dict_index_t* index, /*!< in: index of the B-tree node */ mtr_t* mtr) /*!< in: mini-transaction */ { + buf_pool_t* buf_pool = buf_pool_from_block(block); page_zip_des_t* page_zip = buf_block_get_page_zip(block); page_t* page = buf_block_get_frame(block); buf_block_t* temp_block; @@ -4433,7 +4434,7 @@ page_zip_reorganize( log_mode = mtr_set_log_mode(mtr, MTR_LOG_NONE); #ifndef UNIV_HOTBACKUP - temp_block = buf_block_alloc(0); + temp_block = buf_block_alloc(buf_pool, 0); btr_search_drop_page_hash_index(block); block->check_index_page_at_flush = TRUE; #else /* !UNIV_HOTBACKUP */ diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 838df292bfc..560dafa6138 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -195,6 +195,8 @@ UNIV_INTERN const byte* srv_latin1_ordering; UNIV_INTERN my_bool srv_use_sys_malloc = TRUE; /* requested size in kilobytes */ UNIV_INTERN ulint srv_buf_pool_size = ULINT_MAX; +/* requested number of buffer pool instances */ +UNIV_INTERN ulint srv_buf_pool_instances = 1; /* previously requested size */ UNIV_INTERN ulint srv_buf_pool_old_size; /* current size in kilobytes */ @@ -1700,7 +1702,7 @@ srv_refresh_innodb_monitor_stats(void) log_refresh_stats(); - buf_refresh_io_stats(); + buf_refresh_io_stats_all(); srv_n_rows_inserted_old = srv_n_rows_inserted; srv_n_rows_updated_old = srv_n_rows_updated; @@ -1911,6 +1913,14 @@ void srv_export_innodb_status(void) /*==========================*/ { + buf_pool_stat_t stat; + ulint LRU_len; + ulint free_len; + ulint flush_list_len; + + buf_get_total_stat(&stat); + buf_get_total_list_len(&LRU_len, &free_len, &flush_list_len); + mutex_enter(&srv_innodb_monitor_mutex); export_vars.innodb_data_pending_reads @@ -1925,31 +1935,26 @@ srv_export_innodb_status(void) export_vars.innodb_data_reads = os_n_file_reads; export_vars.innodb_data_writes = os_n_file_writes; export_vars.innodb_data_written = srv_data_written; - export_vars.innodb_buffer_pool_read_requests = buf_pool->stat.n_page_gets; + export_vars.innodb_buffer_pool_read_requests = stat.n_page_gets; export_vars.innodb_buffer_pool_write_requests = srv_buf_pool_write_requests; export_vars.innodb_buffer_pool_wait_free = srv_buf_pool_wait_free; export_vars.innodb_buffer_pool_pages_flushed = srv_buf_pool_flushed; export_vars.innodb_buffer_pool_reads = srv_buf_pool_reads; export_vars.innodb_buffer_pool_read_ahead - = buf_pool->stat.n_ra_pages_read; + = stat.n_ra_pages_read; export_vars.innodb_buffer_pool_read_ahead_evicted - = buf_pool->stat.n_ra_pages_evicted; - export_vars.innodb_buffer_pool_pages_data - = UT_LIST_GET_LEN(buf_pool->LRU); - export_vars.innodb_buffer_pool_pages_dirty - = UT_LIST_GET_LEN(buf_pool->flush_list); - export_vars.innodb_buffer_pool_pages_free - = UT_LIST_GET_LEN(buf_pool->free); + = stat.n_ra_pages_evicted; + export_vars.innodb_buffer_pool_pages_data = LRU_len; + export_vars.innodb_buffer_pool_pages_dirty = flush_list_len; + export_vars.innodb_buffer_pool_pages_free = free_len; #ifdef UNIV_DEBUG export_vars.innodb_buffer_pool_pages_latched = buf_get_latched_pages_number(); #endif /* UNIV_DEBUG */ - export_vars.innodb_buffer_pool_pages_total = buf_pool->curr_size; + export_vars.innodb_buffer_pool_pages_total = buf_pool_get_curr_size(); - export_vars.innodb_buffer_pool_pages_misc = buf_pool->curr_size - - UT_LIST_GET_LEN(buf_pool->LRU) - - UT_LIST_GET_LEN(buf_pool->free); + export_vars.innodb_buffer_pool_pages_misc = buf_pool_get_curr_size(); #ifdef HAVE_ATOMIC_BUILTINS export_vars.innodb_have_atomic_builtins = 1; #else @@ -1965,9 +1970,9 @@ srv_export_innodb_status(void) export_vars.innodb_log_writes = srv_log_writes; export_vars.innodb_dblwr_pages_written = srv_dblwr_pages_written; export_vars.innodb_dblwr_writes = srv_dblwr_writes; - export_vars.innodb_pages_created = buf_pool->stat.n_pages_created; - export_vars.innodb_pages_read = buf_pool->stat.n_pages_read; - export_vars.innodb_pages_written = buf_pool->stat.n_pages_written; + export_vars.innodb_pages_created = stat.n_pages_created; + export_vars.innodb_pages_read = stat.n_pages_read; + export_vars.innodb_pages_written = stat.n_pages_written; export_vars.innodb_row_lock_waits = srv_n_lock_wait_count; export_vars.innodb_row_lock_current_waits = srv_n_lock_wait_current_count; @@ -2279,7 +2284,7 @@ srv_error_monitor_thread( #endif #ifdef UNIV_PFS_THREAD - pfs_register_thread(srv_error_monitor_thread_key); + pfs_register_thread(srv_error_monitor_thread_key); #endif loop: @@ -2503,6 +2508,7 @@ srv_master_thread( /*!< in: a dummy parameter required by os_thread_create */ { + buf_pool_stat_t buf_stat; os_event_t event; ulint old_activity_count; ulint n_pages_purged = 0; @@ -2544,8 +2550,9 @@ loop: srv_main_thread_op_info = "reserving kernel mutex"; - n_ios_very_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; + buf_get_total_stat(&buf_stat); + n_ios_very_old = log_sys->n_log_ios + buf_stat.n_pages_read + + buf_stat.n_pages_written; mutex_enter(&kernel_mutex); /* Store the user activity counter at the start of this loop */ @@ -2566,8 +2573,12 @@ loop: for (i = 0; i < 10; i++) { ulint cur_time = ut_time_ms(); - n_ios_old = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; + + buf_get_total_stat(&buf_stat); + + n_ios_old = log_sys->n_log_ios + buf_stat.n_pages_read + + buf_stat.n_pages_written; + srv_main_thread_op_info = "sleeping"; srv_main_1_second_loops++; @@ -2607,13 +2618,14 @@ loop: log_free_check(); /* If i/os during one second sleep were less than 5% of - capacity, we assume that there is free disk i/o capacity - available, and it makes sense to do an insert buffer merge. */ + capacity, we assume that there is free disk i/o capacity + available, and it makes sense to do an insert buffer merge. */ + buf_get_total_stat(&buf_stat); n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; + n_ios = log_sys->n_log_ios + buf_stat.n_pages_read + + buf_stat.n_pages_written; if (n_pend_ios < SRV_PEND_IO_THRESHOLD && (n_ios - n_ios_old < SRV_RECENT_IO_ACTIVITY)) { srv_main_thread_op_info = "doing insert buffer merge"; @@ -2631,9 +2643,8 @@ loop: srv_main_thread_op_info = "flushing buffer pool pages"; - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); + n_pages_flushed = buf_flush_list( + PCT_IO(100), IB_ULONGLONG_MAX); } else if (srv_adaptive_flushing) { @@ -2647,8 +2658,7 @@ loop: "flushing buffer pool pages"; n_flush = ut_min(PCT_IO(100), n_flush); n_pages_flushed = - buf_flush_batch( - BUF_FLUSH_LIST, + buf_flush_list( n_flush, IB_ULONGLONG_MAX); } @@ -2680,17 +2690,17 @@ loop: loop above requests writes for that case. The writes done here are not required, and may be disabled. */ + buf_get_total_stat(&buf_stat); n_pend_ios = buf_get_n_pending_ios() + log_sys->n_pending_writes; - n_ios = log_sys->n_log_ios + buf_pool->stat.n_pages_read - + buf_pool->stat.n_pages_written; + n_ios = log_sys->n_log_ios + buf_stat.n_pages_read + + buf_stat.n_pages_written; srv_main_10_second_loops++; if (n_pend_ios < SRV_PEND_IO_THRESHOLD && (n_ios - n_ios_very_old < SRV_PAST_IO_ACTIVITY)) { srv_main_thread_op_info = "flushing buffer pool pages"; - buf_flush_batch(BUF_FLUSH_LIST, PCT_IO(100), - IB_ULONGLONG_MAX); + buf_flush_list(PCT_IO(100), IB_ULONGLONG_MAX); /* Flush logs if needed */ srv_sync_log_buffer_in_background(); @@ -2705,8 +2715,6 @@ loop: /* Flush logs if needed */ srv_sync_log_buffer_in_background(); - /* We run a full purge every 10 seconds, even if the server - were active */ if (srv_n_purge_threads == 0) { srv_main_thread_op_info = "master purging"; @@ -2728,17 +2736,15 @@ loop: (> 70 %), we assume we can afford reserving the disk(s) for the time it requires to flush 100 pages */ - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); + n_pages_flushed = buf_flush_list( + PCT_IO(100), IB_ULONGLONG_MAX); } else { /* Otherwise, we only flush a small number of pages so that we do not unnecessarily use much disk i/o capacity from other work */ - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(10), - IB_ULONGLONG_MAX); + n_pages_flushed = buf_flush_list( + PCT_IO(10), IB_ULONGLONG_MAX); } srv_main_thread_op_info = "making checkpoint"; @@ -2807,7 +2813,7 @@ background_loop: } else { /* This should do an amount of IO similar to the number of dirty pages that will be flushed in the call to - buf_flush_batch below. Otherwise, the system favors + buf_flush_list below. Otherwise, the system favors clean pages over cleanup throughput. */ n_bytes_merged = ibuf_contract_for_n_pages(FALSE, PCT_IO(100)); @@ -2826,9 +2832,8 @@ flush_loop: srv_main_thread_op_info = "flushing buffer pool pages"; srv_main_flush_loops++; if (srv_fast_shutdown < 2) { - n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, - PCT_IO(100), - IB_ULONGLONG_MAX); + n_pages_flushed = buf_flush_list( + PCT_IO(100), IB_ULONGLONG_MAX); } else { /* In the fastest shutdown we do not flush the buffer pool to data files: we set n_pages_flushed to 0 artificially. */ @@ -2846,7 +2851,7 @@ flush_loop: mutex_exit(&kernel_mutex); srv_main_thread_op_info = "waiting for buffer pool flush to end"; - buf_flush_wait_batch_end(BUF_FLUSH_LIST); + buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST); /* Flush logs if needed */ srv_sync_log_buffer_in_background(); diff --git a/srv/srv0start.c b/srv/srv0start.c index a257fd32aab..4c9851e953b 100644 --- a/srv/srv0start.c +++ b/srv/srv0start.c @@ -1016,7 +1016,6 @@ int innobase_start_or_create_for_mysql(void) /*====================================*/ { - buf_pool_t* ret; ibool create_new_db; ibool log_file_created; ibool log_created = FALSE; @@ -1241,13 +1240,16 @@ innobase_start_or_create_for_mysql(void) #else if (srv_buf_pool_size >= 1000 * 1024 * 1024) { /* If buffer pool is less than 1000 MB, - assume fewer threads. */ + assume fewer threads. Also use only one + buffer pool instance */ srv_max_n_threads = 50000; } else if (srv_buf_pool_size >= 8 * 1024 * 1024) { + srv_buf_pool_instances = 1; srv_max_n_threads = 10000; } else { + srv_buf_pool_instances = 1; srv_max_n_threads = 1000; /* saves several MB of memory, especially in 64-bit computers */ @@ -1331,9 +1333,9 @@ innobase_start_or_create_for_mysql(void) fil_init(srv_file_per_table ? 50000 : 5000, srv_max_n_open_files); - ret = buf_pool_init(); + err = buf_pool_init(srv_buf_pool_size, srv_buf_pool_instances); - if (ret == NULL) { + if (err != DB_SUCCESS) { fprintf(stderr, "InnoDB: Fatal error: cannot allocate the memory" " for the buffer pool\n"); @@ -2089,7 +2091,7 @@ innobase_shutdown_for_mysql(void) pars_lexer_close(); log_mem_free(); - buf_pool_free(); + buf_pool_free(srv_buf_pool_instances); ut_free_all_mem(); mem_close(); diff --git a/sync/sync0sync.c b/sync/sync0sync.c index b9b83adba00..235f733382d 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1157,14 +1157,12 @@ sync_thread_add_level( case SYNC_RECV: case SYNC_WORK_QUEUE: case SYNC_LOG: + case SYNC_LOG_FLUSH_ORDER: case SYNC_THR_LOCAL: case SYNC_ANY_LATCH: case SYNC_TRX_SYS_HEADER: case SYNC_FILE_FORMAT_TAG: case SYNC_DOUBLEWRITE: - case SYNC_BUF_FLUSH_LIST: - case SYNC_BUF_FLUSH_ORDER: - case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: case SYNC_SEARCH_SYS_CONF: case SYNC_TRX_LOCK_HEAP: @@ -1186,6 +1184,18 @@ sync_thread_add_level( ut_error; } break; + case SYNC_BUF_FLUSH_LIST: + case SYNC_BUF_POOL: + /* We can have multiple mutexes of this type therefore we + can only check whether the greater than condition holds. */ + if (!sync_thread_levels_g(array, level-1, TRUE)) { + fprintf(stderr, + "InnoDB: sync_thread_levels_g(array, %lu)" + " does not hold!\n", level-1); + ut_error; + } + break; + case SYNC_BUF_BLOCK: /* Either the thread must own the buffer pool mutex (buf_pool_mutex), or it is allowed to latch only ONE diff --git a/trx/trx0trx.c b/trx/trx0trx.c index a47fc28c199..cf7fe85c3d1 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -764,7 +764,6 @@ trx_commit_off_kernel( if (undo) { mutex_enter(&kernel_mutex); trx->no = trx_sys_get_new_trx_no(); - mutex_exit(&kernel_mutex); /* It is not necessary to obtain trx->undo_mutex here diff --git a/trx/trx0undo.c b/trx/trx0undo.c index 3bb1b1cdf6c..eb5112c4d31 100644 --- a/trx/trx0undo.c +++ b/trx/trx0undo.c @@ -1938,7 +1938,8 @@ trx_undo_update_cleanup( UT_LIST_ADD_FIRST(undo_list, rseg->update_undo_cached, undo); } else { - ut_ad(undo->state == TRX_UNDO_TO_PURGE); + ut_ad(undo->state == TRX_UNDO_TO_PURGE + || undo->state == TRX_UNDO_TO_FREE); trx_undo_mem_free(undo); } diff --git a/ut/ut0mem.c b/ut/ut0mem.c index 35a325b9ccd..f2baab67f09 100644 --- a/ut/ut0mem.c +++ b/ut/ut0mem.c @@ -290,17 +290,20 @@ ut_test_malloc( #endif /* !UNIV_HOTBACKUP */ /**********************************************************************//** -Frees a memory block allocated with ut_malloc. */ +Frees a memory block allocated with ut_malloc. Freeing a NULL pointer is +a nop. */ UNIV_INTERN void ut_free( /*====*/ - void* ptr) /*!< in, own: memory block */ + void* ptr) /*!< in, own: memory block, can be NULL */ { #ifndef UNIV_HOTBACKUP ut_mem_block_t* block; - if (UNIV_LIKELY(srv_use_sys_malloc)) { + if (ptr == NULL) { + return; + } else if (UNIV_LIKELY(srv_use_sys_malloc)) { free(ptr); return; } diff --git a/ut/ut0rbt.c b/ut/ut0rbt.c index 3279307308f..3d7cfa7636f 100644 --- a/ut/ut0rbt.c +++ b/ut/ut0rbt.c @@ -1,4 +1,27 @@ -/********************************************************************** +/***************************************************************************//** + +Copyright (c) 2007, 2010, Innobase Oy. All Rights Reserved. + +Portions of this file contain modifications contributed and copyrighted by +Sun Microsystems, Inc. Those modifications are gratefully acknowledged and +are described briefly in the InnoDB documentation. The contributions by +Sun Microsystems are incorporated with their permission, and subject to the +conditions contained in the file COPYING.Sun_Microsystems. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ +/********************************************************************//** Red-Black tree implementation (c) 2007 Oracle/Innobase Oy @@ -8,7 +31,7 @@ Created 2007-03-20 Sunny Bains #include "ut0rbt.h" -/************************************************************************ +/**********************************************************************//** Definition of a red-black tree ============================== @@ -34,7 +57,7 @@ red-black properties: #define ROOT(t) (t->root->left) #define SIZEOF_NODE(t) ((sizeof(ib_rbt_node_t) + t->sizeof_value) - 1) -/************************************************************************ +/**********************************************************************//** Print out the sub-tree recursively. */ static void @@ -52,7 +75,7 @@ rbt_print_subtree( } } -/************************************************************************ +/**********************************************************************//** Verify that the keys are in order. @return TRUE of OK. FALSE if not ordered */ static @@ -77,7 +100,7 @@ rbt_check_ordering( return(TRUE); } -/************************************************************************ +/**********************************************************************//** Check that every path from the root to the leaves has the same count. Count is expressed in the number of black nodes. @return 0 on failure else black height of the subtree */ @@ -125,7 +148,7 @@ rbt_count_black_nodes( return(result); } -/************************************************************************ +/**********************************************************************//** Turn the node's right child's left sub-tree into node's right sub-tree. This will also make node's right child it's parent. */ static @@ -161,7 +184,7 @@ rbt_rotate_left( node->parent = right; } -/************************************************************************ +/**********************************************************************//** Turn the node's left child's right sub-tree into node's left sub-tree. This also make node's left child it's parent. */ static @@ -197,7 +220,7 @@ rbt_rotate_right( node->parent = left; } -/************************************************************************ +/**********************************************************************//** Append a node to the tree. */ static ib_rbt_node_t* @@ -224,7 +247,7 @@ rbt_tree_add_child( return(node); } -/************************************************************************ +/**********************************************************************//** Generic binary tree insert */ static ib_rbt_node_t* @@ -260,7 +283,7 @@ rbt_tree_insert( return(node); } -/************************************************************************ +/**********************************************************************//** Balance a tree after inserting a node. */ static void @@ -350,7 +373,7 @@ rbt_balance_tree( ROOT(tree)->color = IB_RBT_BLACK; } -/************************************************************************ +/**********************************************************************//** Find the given node's successor. @return successor node or NULL if no successor */ static @@ -390,7 +413,7 @@ rbt_find_successor( return(next); } -/************************************************************************ +/**********************************************************************//** Find the given node's precedecessor. @return predecessor node or NULL if no predecesor */ static @@ -430,7 +453,7 @@ rbt_find_predecessor( return(prev); } -/************************************************************************ +/**********************************************************************//** Replace node with child. After applying transformations eject becomes an orphan. */ static @@ -454,7 +477,7 @@ rbt_eject_node( node->parent = eject->parent; } -/************************************************************************ +/**********************************************************************//** Replace a node with another node. */ static void @@ -481,7 +504,7 @@ rbt_replace_node( replace->color = color; } -/************************************************************************ +/**********************************************************************//** Detach node from the tree replacing it with one of it's children. @return the child node that now occupies the position of the detached node */ static @@ -524,7 +547,7 @@ rbt_detach_node( return(child); } -/************************************************************************ +/**********************************************************************//** Rebalance the right sub-tree after deletion. @return node to rebalance if more rebalancing required else NULL */ static @@ -584,7 +607,7 @@ rbt_balance_right( return(node); } -/************************************************************************ +/**********************************************************************//** Rebalance the left sub-tree after deletion. @return node to rebalance if more rebalancing required else NULL */ static @@ -644,7 +667,7 @@ rbt_balance_left( return(node); } -/************************************************************************ +/**********************************************************************//** Delete the node and rebalance the tree if necessary */ static void @@ -696,7 +719,7 @@ rbt_remove_node_and_rebalance( --tree->n_nodes; } -/************************************************************************ +/**********************************************************************//** Recursively free the nodes. */ static void @@ -713,7 +736,7 @@ rbt_free_node( } } -/************************************************************************ +/**********************************************************************//** Free all the nodes and free the tree. */ UNIV_INTERN void @@ -726,7 +749,7 @@ rbt_free( ut_free(tree); } -/************************************************************************ +/**********************************************************************//** Create an instance of a red black tree. @return an empty rb tree */ UNIV_INTERN @@ -764,7 +787,7 @@ rbt_create( return(tree); } -/************************************************************************ +/**********************************************************************//** Generic insert of a value in the rb tree. @return inserted node */ UNIV_INTERN @@ -793,7 +816,7 @@ rbt_insert( return(node); } -/************************************************************************ +/**********************************************************************//** Add a new node to the tree, useful for data that is pre-sorted. @return appended node */ UNIV_INTERN @@ -831,7 +854,7 @@ rbt_add_node( return(node); } -/************************************************************************ +/**********************************************************************//** Find a matching node in the rb tree. @return NULL if not found else the node where key was found */ UNIV_INTERN @@ -859,7 +882,7 @@ rbt_lookup( return(current != tree->nil ? current : NULL); } -/************************************************************************ +/**********************************************************************//** Delete a node indentified by key. @return TRUE if success FALSE if not found */ UNIV_INTERN @@ -882,7 +905,7 @@ rbt_delete( return(deleted); } -/************************************************************************ +/**********************************************************************//** Remove a node from the rb tree, the node is not free'd, that is the callers responsibility. @return deleted node but without the const */ @@ -906,7 +929,7 @@ rbt_remove_node( return((ib_rbt_node_t*) const_node); } -/************************************************************************ +/**********************************************************************//** Find the node that has the lowest key that is >= key. @return node satisfying the lower bound constraint or NULL */ UNIV_INTERN @@ -940,7 +963,7 @@ rbt_lower_bound( return(lb_node); } -/************************************************************************ +/**********************************************************************//** Find the node that has the greatest key that is <= key. @return node satisfying the upper bound constraint or NULL */ UNIV_INTERN @@ -974,7 +997,7 @@ rbt_upper_bound( return(ub_node); } -/************************************************************************ +/**********************************************************************//** Find the node that has the greatest key that is <= key. @return value of result */ UNIV_INTERN @@ -1008,7 +1031,7 @@ rbt_search( return(parent->result); } -/************************************************************************ +/**********************************************************************//** Find the node that has the greatest key that is <= key. But use the supplied comparison function. @return value of result */ @@ -1044,7 +1067,7 @@ rbt_search_cmp( return(parent->result); } -/************************************************************************ +/**********************************************************************//** Return the left most node in the tree. */ UNIV_INTERN const ib_rbt_node_t* @@ -1064,7 +1087,7 @@ rbt_first( return(first); } -/************************************************************************ +/**********************************************************************//** Return the right most node in the tree. @return the rightmost node or NULL */ UNIV_INTERN @@ -1084,7 +1107,7 @@ rbt_last( return(last); } -/************************************************************************ +/**********************************************************************//** Return the next node. @return node next from current */ UNIV_INTERN @@ -1097,7 +1120,7 @@ rbt_next( return(current ? rbt_find_successor(tree, current) : NULL); } -/************************************************************************ +/**********************************************************************//** Return the previous node. @return node prev from current */ UNIV_INTERN @@ -1110,7 +1133,7 @@ rbt_prev( return(current ? rbt_find_predecessor(tree, current) : NULL); } -/************************************************************************ +/**********************************************************************//** Reset the tree. Delete all the nodes. */ UNIV_INTERN void @@ -1124,7 +1147,7 @@ rbt_clear( tree->root->left = tree->root->right = tree->nil; } -/************************************************************************ +/**********************************************************************//** Merge the node from dst into src. Return the number of nodes merged. @return no. of recs merged */ UNIV_INTERN @@ -1153,7 +1176,7 @@ rbt_merge_uniq( return(n_merged); } -/************************************************************************ +/**********************************************************************//** Merge the node from dst into src. Return the number of nodes merged. Delete the nodes from src after copying node to dst. As a side effect the duplicates will be left untouched in the src. @@ -1201,7 +1224,7 @@ rbt_merge_uniq_destructive( return(rbt_size(dst) - old_size); } -/************************************************************************ +/**********************************************************************//** Check that every path from the root to the leaves has the same count and the tree nodes are in order. @return TRUE if OK FALSE otherwise */ @@ -1218,7 +1241,7 @@ rbt_validate( return(FALSE); } -/************************************************************************ +/**********************************************************************//** Iterate over the tree in depth first order. */ UNIV_INTERN void From 4e87ba75b83bfc08dd13368c82d31db30bfbe5c1 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 19 Apr 2010 19:58:12 +0300 Subject: [PATCH 233/400] Refactor the innodb_bug38231 mysql-test to conform with the newly introduced metadata locks. Previously the behavior was deterministic and if several LOCKs were waiting the first one of them was released by UNLOCK (in chronological order). Now (with MDLs) the behavior is undefined and since we do not know in what order to --reap the connections we simply disconnect them without reaping. --- .../suite/innodb/r/innodb_bug38231.result | 8 +- .../suite/innodb/t/innodb_bug38231.test | 101 ++++++++---------- 2 files changed, 46 insertions(+), 63 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb_bug38231.result b/mysql-test/suite/innodb/r/innodb_bug38231.result index 2f909779755..41a40542b84 100644 --- a/mysql-test/suite/innodb/r/innodb_bug38231.result +++ b/mysql-test/suite/innodb/r/innodb_bug38231.result @@ -1,11 +1,11 @@ SET storage_engine=InnoDB; -INSERT INTO bug38231 VALUES (1), (10), (300); +INSERT INTO bug38231_2 VALUES (1), (10), (300); SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; +SELECT * FROM bug38231_2 FOR UPDATE; a 1 10 300 -TRUNCATE TABLE bug38231; +TRUNCATE TABLE bug38231_2; COMMIT; -DROP TABLE bug38231; +DROP TABLE bug38231_2; diff --git a/mysql-test/suite/innodb/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test index 5666bc0e765..dd9ca10a5e7 100644 --- a/mysql-test/suite/innodb/t/innodb_bug38231.test +++ b/mysql-test/suite/innodb/t/innodb_bug38231.test @@ -11,96 +11,79 @@ SET storage_engine=InnoDB; -- disable_query_log -- disable_result_log -DROP TABLE IF EXISTS bug38231; -CREATE TABLE bug38231 (a INT); +DROP TABLE IF EXISTS bug38231_1; +CREATE TABLE bug38231_1 (a INT); --- connect (con1,localhost,root,,) --- connect (con2,localhost,root,,) --- connect (con3,localhost,root,,) +-- connect (lock_gain,localhost,root,,) +-- connect (lock_wait1,localhost,root,,) +-- connect (lock_wait2,localhost,root,,) +-- connect (truncate_wait,localhost,root,,) --- connection con1 +-- connection lock_gain SET autocommit=0; -LOCK TABLE bug38231 WRITE; +LOCK TABLE bug38231_1 WRITE; --- connection con2 +-- connection lock_wait1 SET autocommit=0; -- send -LOCK TABLE bug38231 WRITE; +LOCK TABLE bug38231_1 WRITE; -# When con1 does UNLOCK below this will release either con2 or con3 which are -# both waiting on LOCK. At the end we must first --reap and UNLOCK the -# connection that has been released, otherwise it will wait forever. We assume -# that the released connection will be the first one that has gained the LOCK, -# thus we force the order here - con2 does LOCK first, then con3. In other -# words we wait for LOCK from con2 above to be executed before doing LOCK in -# con3. --- connection con1 -let $wait_condition = - SELECT COUNT(*) = 1 FROM information_schema.processlist - WHERE info = 'LOCK TABLE bug38231 WRITE'; --- source include/wait_condition.inc -# the above enables query log, re-disable it --- disable_query_log - --- connection con3 +-- connection lock_wait2 SET autocommit=0; -- send -LOCK TABLE bug38231 WRITE; +LOCK TABLE bug38231_1 WRITE; --- connection default +-- connection truncate_wait -- send -TRUNCATE TABLE bug38231; - --- connection con1 -# Wait for TRUNCATE and the other two LOCKs to be executed; without this, -# sometimes UNLOCK executes before them. We assume there are no other -# sessions executing at the same time with the same SQL commands. -let $wait_condition = - SELECT COUNT(*) = 1 FROM information_schema.processlist - WHERE info = 'TRUNCATE TABLE bug38231'; --- source include/wait_condition.inc -let $wait_condition = - SELECT COUNT(*) = 2 FROM information_schema.processlist - WHERE info = 'LOCK TABLE bug38231 WRITE'; --- source include/wait_condition.inc -# the above enables query log, re-disable it --- disable_query_log +TRUNCATE TABLE bug38231_1; +-- connection lock_gain # this crashes the server if the bug is present UNLOCK TABLES; # clean up --- connection con2 --- reap -UNLOCK TABLES; - --- connection con3 --- reap -UNLOCK TABLES; +# do not clean up - we do not know which of the tree has been released +# so the --reap command may hang because the executing command is still +# running/waiting +#-- connection lock_wait1 +#-- reap +#UNLOCK TABLES; +# +#-- connection lock_wait2 +#-- reap +#UNLOCK TABLES; +# +#-- connection truncate_wait +#-- reap -- connection default --- reap --- disconnect con1 --- disconnect con2 --- disconnect con3 +-- disconnect lock_gain +-- disconnect lock_wait1 +-- disconnect lock_wait2 +-- disconnect truncate_wait -# test that TRUNCATE works with with row-level locks +DROP TABLE bug38231_1; + +# test that TRUNCATE works with row-level locks + +DROP TABLE IF EXISTS bug38231_2; +CREATE TABLE bug38231_2 (a INT); -- enable_query_log -- enable_result_log -INSERT INTO bug38231 VALUES (1), (10), (300); +INSERT INTO bug38231_2 VALUES (1), (10), (300); -- connect (con4,localhost,root,,) -- connection con4 SET autocommit=0; -SELECT * FROM bug38231 FOR UPDATE; +SELECT * FROM bug38231_2 FOR UPDATE; -- connection default -TRUNCATE TABLE bug38231; +TRUNCATE TABLE bug38231_2; -- connection con4 COMMIT; @@ -109,4 +92,4 @@ COMMIT; -- disconnect con4 -DROP TABLE bug38231; +DROP TABLE bug38231_2; From 63d38a4815a764c1f32443e82353b274574d833e Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 20 Apr 2010 15:29:06 +0300 Subject: [PATCH 234/400] Adjust the result for the mysql-test sys_vars.all_vars after the addition of a new config variable. --- mysql-test/suite/sys_vars/r/all_vars.result | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mysql-test/suite/sys_vars/r/all_vars.result b/mysql-test/suite/sys_vars/r/all_vars.result index 564f587049f..bc36e2cb848 100644 --- a/mysql-test/suite/sys_vars/r/all_vars.result +++ b/mysql-test/suite/sys_vars/r/all_vars.result @@ -13,8 +13,10 @@ There should be *no* variables listed below: INNODB_USE_NATIVE_AIO INNODB_PURGE_THREADS INNODB_PURGE_BATCH_SIZE +INNODB_BUFFER_POOL_INSTANCES INNODB_USE_NATIVE_AIO INNODB_PURGE_THREADS INNODB_PURGE_BATCH_SIZE +INNODB_BUFFER_POOL_INSTANCES drop table t1; drop table t2; From 02de8ecfbc32051fb3b24ca845fd0eab94e1c373 Mon Sep 17 00:00:00 2001 From: sbains <> Date: Wed, 21 Apr 2010 09:29:02 +0000 Subject: [PATCH 235/400] branches/innodb+: Factor out srv_threads_mutex from the kernel mutex. Splitting the kernel mutex at once is a complex task, several mutexes will be factored out of it. This is one of the easier ones. This mutex sits below the kernel mutex and is used by the threads infra-structure. It is important for the multi-threaded purge because for multi-threaded purge we will need to activate and use InnoDB task queue and query thread scheduling code. rb://285 --- CMakeLists.txt | 2 +- Makefile.am | 2 - include/que0que.h | 3 + include/srv0que.h | 42 --- include/srv0srv.h | 55 ++-- include/sync0sync.h | 9 +- log/log0log.c | 21 +- que/que0que.c | 5 +- row/row0undo.c | 2 +- srv/srv0que.c | 49 ---- srv/srv0srv.c | 679 ++++++++++++++++++++++++++++---------------- sync/sync0sync.c | 1 + trx/trx0roll.c | 1 - 13 files changed, 488 insertions(+), 383 deletions(-) delete mode 100644 include/srv0que.h delete mode 100644 srv/srv0que.c diff --git a/CMakeLists.txt b/CMakeLists.txt index b63b45d52b4..c20fe397292 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -232,7 +232,7 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c rem/rem0cmp.c rem/rem0rec.c row/row0ext.c row/row0ins.c row/row0merge.c row/row0mysql.c row/row0purge.c row/row0row.c row/row0sel.c row/row0uins.c row/row0umod.c row/row0undo.c row/row0upd.c row/row0vers.c - srv/srv0que.c srv/srv0srv.c srv/srv0start.c + srv/srv0srv.c srv/srv0start.c sync/sync0arr.c sync/sync0rw.c sync/sync0sync.c thr/thr0loc.c trx/trx0i_s.c trx/trx0purge.c trx/trx0rec.c trx/trx0roll.c trx/trx0rseg.c diff --git a/Makefile.am b/Makefile.am index e64a92519e1..8effd46060a 100644 --- a/Makefile.am +++ b/Makefile.am @@ -174,7 +174,6 @@ noinst_HEADERS= \ include/row0upd.ic \ include/row0vers.h \ include/row0vers.ic \ - include/srv0que.h \ include/srv0srv.h \ include/srv0srv.ic \ include/srv0start.h \ @@ -299,7 +298,6 @@ libinnobase_a_SOURCES= \ row/row0undo.c \ row/row0upd.c \ row/row0vers.c \ - srv/srv0que.c \ srv/srv0srv.c \ srv/srv0start.c \ sync/sync0arr.c \ diff --git a/include/que0que.h b/include/que0que.h index 39f8d07af89..b66327a394c 100644 --- a/include/que0que.h +++ b/include/que0que.h @@ -381,6 +381,9 @@ struct que_thr_struct{ thus far */ ulint lock_state; /*!< lock state of thread (table or row) */ + struct srv_slot_struct* + slot; /* The thread slot in the wait + array in srv_sys_t */ }; #define QUE_THR_MAGIC_N 8476583 diff --git a/include/srv0que.h b/include/srv0que.h deleted file mode 100644 index 82ee7739ef7..00000000000 --- a/include/srv0que.h +++ /dev/null @@ -1,42 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0que.h -Server query execution - -Created 6/5/1996 Heikki Tuuri -*******************************************************/ - -#ifndef srv0que_h -#define srv0que_h - -#include "univ.i" -#include "que0types.h" - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue_low( -/*=====================*/ - que_thr_t* thr); /*!< in: query thread */ - -#endif - diff --git a/include/srv0srv.h b/include/srv0srv.h index 2cec4b919fb..83ebca4ed84 100644 --- a/include/srv0srv.h +++ b/include/srv0srv.h @@ -239,7 +239,6 @@ extern ibool srv_print_latch_waits; # define srv_print_latch_waits FALSE #endif /* UNIV_DEBUG */ -extern ulint srv_activity_count; extern ulint srv_fatal_semaphore_wait_threshold; extern ulint srv_dml_needed_delay; @@ -314,12 +313,6 @@ typedef struct export_var_struct export_struc; /** Status variables to be passed to MySQL */ extern export_struc export_vars; -/** The server system */ -typedef struct srv_sys_struct srv_sys_t; - -/** The server system */ -extern srv_sys_t* srv_sys; - # ifdef UNIV_PFS_THREAD /* Keys to register InnoDB threads with performance schema */ extern mysql_pfs_key_t trx_rollback_clean_thread_key; @@ -420,6 +413,8 @@ enum srv_thread_type { be biggest) */ }; +struct srv_slot_struct; + /*********************************************************************//** Boots Innobase server. @return DB_SUCCESS or error code */ @@ -470,17 +465,6 @@ srv_set_io_thread_op_info( const char* str); /*!< in: constant char string describing the state */ /*********************************************************************//** -Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be less than n if not -enough threads were suspended at the moment */ -UNIV_INTERN -ulint -srv_release_threads( -/*================*/ - enum srv_thread_type type, /*!< in: thread type */ - ulint n); /*!< in: number of threads to release */ -/*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ UNIV_INTERN @@ -627,6 +611,13 @@ void srv_export_innodb_status(void); /*==========================*/ +/******************************************************************//** +Increment the server activity counter. */ +UNIV_INTERN +void +srv_inc_activity_count(void); +/*=========================*/ + /*********************************************************************//** Asynchronous purge thread. @return a dummy parameter */ @@ -636,11 +627,23 @@ srv_purge_thread( /*=============*/ void* arg __attribute__((unused))); /*!< in: a dummy parameter required by os_thread_create */ -/** Thread slot in the thread table */ -typedef struct srv_slot_struct srv_slot_t; -/** Thread table is an array of slots */ -typedef srv_slot_t srv_table_t; +/**********************************************************************//** +Enqueues a task to server task queue and releases a worker thread, if there +is a suspended one. */ +UNIV_INTERN +void +srv_que_task_enqueue_low( +/*=====================*/ + que_thr_t* thr); /*!< in: query thread */ + +/**********************************************************************//** +Check whether the master thread is active. +@return FALSE is it is not active. */ +UNIV_INTERN +ibool +srv_is_master_thread_active(void); +/*==============================*/ /** Status variables to be passed to MySQL */ struct export_var_struct{ @@ -696,14 +699,6 @@ struct export_var_struct{ ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ }; -/** The server system struct */ -struct srv_sys_struct{ - srv_table_t* threads; /*!< server thread table */ - UT_LIST_BASE_NODE_T(que_thr_t) - tasks; /*!< task queue */ -}; - -extern ulint srv_n_threads_active[]; #else /* !UNIV_HOTBACKUP */ # define srv_use_adaptive_hash_indexes FALSE # define srv_use_checksums TRUE diff --git a/include/sync0sync.h b/include/sync0sync.h index 4e73bee9108..09b1aa052e5 100644 --- a/include/sync0sync.h +++ b/include/sync0sync.h @@ -105,6 +105,7 @@ extern mysql_pfs_key_t rw_lock_mutex_key; extern mysql_pfs_key_t srv_dict_tmpfile_mutex_key; extern mysql_pfs_key_t srv_innodb_monitor_mutex_key; extern mysql_pfs_key_t srv_misc_tmpfile_mutex_key; +extern mysql_pfs_key_t srv_threads_mutex_key; extern mysql_pfs_key_t srv_monitor_file_mutex_key; extern mysql_pfs_key_t syn_arr_mutex_key; # ifdef UNIV_SYNC_DEBUG @@ -587,6 +588,9 @@ Kernel mutex If a kernel operation needs a file | fsp x-latch before acquiring the kernel | mutex. V +Threads mutex Thread scheduling mutex +| +V Search system mutex | V @@ -657,8 +661,9 @@ or row lock! */ /*------------------------------------- MySQL binlog mutex */ /*-------------------------------*/ #define SYNC_KERNEL 300 -#define SYNC_REC_LOCK 299 -#define SYNC_TRX_LOCK_HEAP 298 +#define SYNC_THREADS 299 +#define SYNC_REC_LOCK 298 +#define SYNC_TRX_LOCK_HEAP 297 #define SYNC_TRX_SYS_HEADER 290 #define SYNC_LOG 170 #define SYNC_LOG_FLUSH_ORDER 147 diff --git a/log/log0log.c b/log/log0log.c index e450307d773..65985aed588 100644 --- a/log/log0log.c +++ b/log/log0log.c @@ -3131,17 +3131,14 @@ loop: return; /* We SKIP ALL THE REST !! */ } + mutex_exit(&kernel_mutex); + /* Check that the master thread is suspended */ - if (srv_n_threads_active[SRV_MASTER] != 0) { - - mutex_exit(&kernel_mutex); - + if (srv_is_master_thread_active()) { goto loop; } - mutex_exit(&kernel_mutex); - mutex_enter(&(log_sys->mutex)); if (log_sys->n_pending_checkpoint_writes @@ -3199,18 +3196,14 @@ loop: mutex_exit(&(log_sys->mutex)); - mutex_enter(&kernel_mutex); /* Check that the master thread has stayed suspended */ - if (srv_n_threads_active[SRV_MASTER] != 0) { + if (srv_is_master_thread_active()) { fprintf(stderr, "InnoDB: Warning: the master thread woke up" " during shutdown\n"); - mutex_exit(&kernel_mutex); - goto loop; } - mutex_exit(&kernel_mutex); fil_flush_file_spaces(FIL_TABLESPACE); fil_flush_file_spaces(FIL_LOG); @@ -3228,7 +3221,8 @@ loop: srv_shutdown_state = SRV_SHUTDOWN_LAST_PHASE; /* Make some checks that the server really is quiet */ - ut_a(srv_n_threads_active[SRV_MASTER] == 0); + ut_a(!srv_is_master_thread_active()); + ut_a(buf_all_freed()); ut_a(lsn == log_sys->lsn); @@ -3249,7 +3243,8 @@ loop: fil_close_all_files(); /* Make some checks that the server really is quiet */ - ut_a(srv_n_threads_active[SRV_MASTER] == 0); + ut_a(!srv_is_master_thread_active()); + ut_a(buf_all_freed()); ut_a(lsn == log_sys->lsn); } diff --git a/que/que0que.c b/que/que0que.c index 2fe046fa9b8..83c71dc5b18 100644 --- a/que/que0que.c +++ b/que/que0que.c @@ -29,7 +29,6 @@ Created 5/27/1996 Heikki Tuuri #include "que0que.ic" #endif -#include "srv0que.h" #include "usr0sess.h" #include "trx0trx.h" #include "trx0roll.h" @@ -311,7 +310,9 @@ que_thr_end_wait_no_next_thr( /* In MySQL we let the OS thread (not just the query thread) to wait for the lock to be released: */ - srv_release_mysql_thread_if_suspended(thr); + if (thr != NULL) { + srv_release_mysql_thread_if_suspended(thr); + } /* srv_que_task_enqueue_low(thr); */ } diff --git a/row/row0undo.c b/row/row0undo.c index 3d739c9689a..072a102a389 100644 --- a/row/row0undo.c +++ b/row/row0undo.c @@ -341,7 +341,7 @@ row_undo_step( ut_ad(thr); - srv_activity_count++; + srv_inc_activity_count(); trx = thr_get_trx(thr); diff --git a/srv/srv0que.c b/srv/srv0que.c deleted file mode 100644 index fc50a86a55c..00000000000 --- a/srv/srv0que.c +++ /dev/null @@ -1,49 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file srv/srv0que.c -Server query execution - -Created 6/5/1996 Heikki Tuuri -*******************************************************/ - -#include "srv0que.h" - -#include "srv0srv.h" -#include "sync0sync.h" -#include "os0thread.h" -#include "usr0sess.h" -#include "que0que.h" - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue_low( -/*=====================*/ - que_thr_t* thr) /*!< in: query thread */ -{ - ut_ad(thr); - ut_ad(mutex_own(&kernel_mutex)); - - UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); - - srv_release_threads(SRV_WORKER, 1); -} diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 560dafa6138..30c3000df77 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -68,7 +68,6 @@ Created 10/8/1995 Heikki Tuuri #include "sync0sync.h" #include "thr0loc.h" #include "que0que.h" -#include "srv0que.h" #include "log0recv.h" #include "pars0pars.h" #include "usr0sess.h" @@ -90,10 +89,6 @@ Created 10/8/1995 Heikki Tuuri affects only FOREIGN KEY definition parsing */ UNIV_INTERN ibool srv_lower_case_table_names = FALSE; -/* The following counter is incremented whenever there is some user activity -in the server */ -UNIV_INTERN ulint srv_activity_count = 0; - /* The following is the maximum allowed duration of a lock wait. */ UNIV_INTERN ulint srv_fatal_semaphore_wait_threshold = 600; @@ -324,16 +319,18 @@ concurrency check. */ UNIV_INTERN ulong srv_thread_concurrency = 0; -/* this mutex protects srv_conc data structures */ -UNIV_INTERN os_fast_mutex_t srv_conc_mutex; /* number of transactions that have declared_to_be_inside_innodb set. It used to be a non-error for this value to drop below zero temporarily. This is no longer true. We'll, however, keep the lint datatype to add assertions to catch any corner cases that we may have missed. */ UNIV_INTERN lint srv_conc_n_threads = 0; + +/* this mutex protects srv_conc data structures */ +static os_fast_mutex_t srv_conc_mutex; + /* number of OS threads waiting in the FIFO for a permission to enter InnoDB */ -UNIV_INTERN ulint srv_conc_n_waiting_threads = 0; +static ulint srv_conc_n_waiting_threads = 0; typedef struct srv_conc_slot_struct srv_conc_slot_t; struct srv_conc_slot_struct{ @@ -351,9 +348,9 @@ struct srv_conc_slot_struct{ }; /* queue of threads waiting to get in */ -UNIV_INTERN UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; +static UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; /* array of wait slots */ -UNIV_INTERN srv_conc_slot_t* srv_conc_slots; +static srv_conc_slot_t* srv_conc_slots; /* Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket at srv_conc_enter_innodb */ @@ -443,6 +440,8 @@ UNIV_INTERN mysql_pfs_key_t srv_monitor_file_mutex_key; UNIV_INTERN mysql_pfs_key_t srv_dict_tmpfile_mutex_key; /* Key to register the mutex with performance schema */ UNIV_INTERN mysql_pfs_key_t srv_misc_tmpfile_mutex_key; +/* Key to register srv_sys_t::mutex with performance schema */ +UNIV_INTERN mysql_pfs_key_t srv_srv_sys_mutex_key; #endif /* UNIV_PFS_MUTEX */ /* Temporary file for innodb monitor output */ @@ -491,6 +490,19 @@ intervals. Following macros define thresholds for these conditions. */ #define SRV_RECENT_IO_ACTIVITY (PCT_IO(5)) #define SRV_PAST_IO_ACTIVITY (PCT_IO(200)) +/** Acquire the system_mutex. */ +#define srv_sys_mutex_enter() do { \ + mutex_enter(&srv_sys->mutex); \ +} while (0) + +/** Test if the system mutex is owned. */ +#define srv_sys_mutex_own() mutex_own(&srv_sys->mutex) + +/** Release the system mutex. */ +#define srv_sys_mutex_exit() do { \ + mutex_exit(&srv_sys->mutex); \ +} while (0) + /* IMPLEMENTATION OF THE SERVER MAIN PROGRAM ========================================= @@ -659,7 +671,7 @@ boosted at least to normal. This priority requirement can be seen similar to the privileged mode used when processing the kernel calls in traditional Unix.*/ -/* Thread slot in the thread table */ +/** Thread slot in the thread table. */ struct srv_slot_struct{ os_thread_id_t id; /*!< thread id */ os_thread_t handle; /*!< thread handle */ @@ -675,12 +687,43 @@ struct srv_slot_struct{ used for MySQL threads) */ }; -/* Table for MySQL threads where they will be suspended to wait for locks */ -UNIV_INTERN srv_slot_t* srv_mysql_table = NULL; +/** Thread slot in the thread table */ +typedef struct srv_slot_struct srv_slot_t; + +/** Thread table is an array of slots */ +typedef srv_slot_t srv_table_t; + +/** The server system */ +typedef struct srv_sys_struct srv_sys_t; + +/** The server system struct */ +struct srv_sys_struct{ + mutex_t mutex; /*!< variable protecting the + fields in this structure. */ + srv_table_t* sys_threads; /*!< server thread table */ + + UT_LIST_BASE_NODE_T(que_thr_t) + tasks; /*!< task queue */ + + ulint n_threads[SRV_MASTER + 1]; + /*!< number of system threads + in a thread class */ + + ulint n_threads_active[SRV_MASTER + 1]; + /*!< number of threads active + in a thread class */ + + srv_slot_t* waiting_threads; /*!< Array of user threads + suspended while waiting for + locks within InnoDB */ + srv_slot_t* last_slot; /*!< highest slot ever used + in the waiting_threads array */ + ulint activity_count; /*!< For tracking server + activity */ +}; UNIV_INTERN os_event_t srv_lock_timeout_thread_event; -UNIV_INTERN srv_sys_t* srv_sys = NULL; /* padding to prevent other memory update hotspots from residing on the same memory cache line */ @@ -691,6 +734,8 @@ UNIV_INTERN mutex_t* kernel_mutex_temp; the same memory cache line */ UNIV_INTERN byte srv_pad2[64]; +static srv_sys_t* srv_sys = NULL; + #if 0 /* The following three values measure the urgency of the jobs of buffer, version, and insert threads. They may vary from 0 - 1000. @@ -705,13 +750,6 @@ static ulint srv_meter_high_water2[SRV_MASTER + 1]; static ulint srv_meter_foreground[SRV_MASTER + 1]; #endif -/* The following values give info about the activity going on in -the database. They are protected by the server mutex. The arrays -are indexed by the type of the thread. */ - -UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; -UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; - /*********************************************************************//** Asynchronous purge thread. @return a dummy parameter */ @@ -764,14 +802,15 @@ srv_table_get_nth_slot( /*===================*/ ulint index) /*!< in: index of the slot */ { + ut_ad(srv_sys_mutex_own()); ut_a(index < OS_THREAD_MAX_N); - return(srv_sys->threads + index); + return(srv_sys->sys_threads + index); } /*********************************************************************//** Gets the number of threads in the system. -@return sum of srv_n_threads[] */ +@return sum of srv_sys_t::n_threads[] */ UNIV_INTERN ulint srv_get_n_threads(void) @@ -780,14 +819,14 @@ srv_get_n_threads(void) ulint i; ulint n_threads = 0; - mutex_enter(&kernel_mutex); + srv_sys_mutex_enter(); for (i = SRV_COM; i < SRV_MASTER + 1; i++) { - n_threads += srv_n_threads[i]; + n_threads += srv_sys->n_threads[i]; } - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); return(n_threads); } @@ -806,6 +845,8 @@ srv_table_reserve_slot( srv_slot_t* slot; ulint i; + ut_ad(srv_sys_mutex_own()); + ut_a(type > 0); ut_a(type <= SRV_MASTER); @@ -846,7 +887,7 @@ srv_suspend_thread(void) ulint slot_no; enum srv_thread_type type; - ut_ad(mutex_own(&kernel_mutex)); + srv_sys_mutex_enter(); slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); @@ -867,12 +908,14 @@ srv_suspend_thread(void) slot->suspended = TRUE; - ut_ad(srv_n_threads_active[type] > 0); + ut_ad(srv_sys->n_threads_active[type] > 0); - srv_n_threads_active[type]--; + srv_sys->n_threads_active[type]--; os_event_reset(event); + srv_sys_mutex_exit(); + return(event); } @@ -881,23 +924,24 @@ Releases threads of the type given from suspension in the thread table. NOTE! The server mutex has to be reserved by the caller! @return number of threads released: this may be less than n if not enough threads were suspended at the moment */ -UNIV_INTERN +static ulint srv_release_threads( /*================*/ enum srv_thread_type type, /*!< in: thread type */ ulint n) /*!< in: number of threads to release */ { - srv_slot_t* slot; ulint i; ulint count = 0; ut_ad(type >= SRV_WORKER); ut_ad(type <= SRV_MASTER); ut_ad(n > 0); - ut_ad(mutex_own(&kernel_mutex)); + + srv_sys_mutex_enter(); for (i = 0; i < OS_THREAD_MAX_N; i++) { + srv_slot_t* slot; slot = srv_table_get_nth_slot(i); @@ -905,7 +949,7 @@ srv_release_threads( slot->suspended = FALSE; - srv_n_threads_active[type]++; + srv_sys->n_threads_active[type]++; os_event_set(slot->event); @@ -925,6 +969,8 @@ srv_release_threads( } } + srv_sys_mutex_exit(); + return(count); } @@ -940,7 +986,7 @@ srv_get_thread_type(void) srv_slot_t* slot; enum srv_thread_type type; - mutex_enter(&kernel_mutex); + srv_sys_mutex_enter(); slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); @@ -951,7 +997,7 @@ srv_get_thread_type(void) ut_ad(type >= SRV_WORKER); ut_ad(type <= SRV_MASTER); - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); return(type); } @@ -963,11 +1009,14 @@ void srv_init(void) /*==========*/ { - srv_conc_slot_t* conc_slot; - srv_slot_t* slot; ulint i; + srv_conc_slot_t* conc_slot; + ulint srv_sys_sz; - srv_sys = mem_alloc(sizeof(srv_sys_t)); + srv_sys_sz = sizeof(*srv_sys) + + (OS_THREAD_MAX_N * sizeof(srv_slot_t) * 2); + + srv_sys = mem_zalloc(srv_sys_sz); kernel_mutex_temp = mem_alloc(sizeof(mutex_t)); mutex_create(kernel_mutex_key, &kernel_mutex, SYNC_KERNEL); @@ -975,42 +1024,30 @@ srv_init(void) mutex_create(srv_innodb_monitor_mutex_key, &srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); - srv_sys->threads = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); + mutex_create(srv_srv_sys_mutex_key, &srv_sys->mutex, SYNC_THREADS); + + srv_sys_mutex_enter(); + + srv_sys->sys_threads = (srv_slot_t*) &srv_sys[1]; + srv_sys->waiting_threads = srv_sys->sys_threads + OS_THREAD_MAX_N; + srv_sys->last_slot = srv_sys->waiting_threads; for (i = 0; i < OS_THREAD_MAX_N; i++) { + srv_slot_t* slot; + slot = srv_table_get_nth_slot(i); - slot->in_use = FALSE; - slot->type=0; /* Avoid purify errors */ - slot->event = os_event_create(NULL); - ut_a(slot->event); - } - srv_mysql_table = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - slot = srv_mysql_table + i; - slot->in_use = FALSE; - slot->type = 0; slot->event = os_event_create(NULL); + ut_a(slot->event); } srv_lock_timeout_thread_event = os_event_create(NULL); - for (i = 0; i < SRV_MASTER + 1; i++) { - srv_n_threads_active[i] = 0; - srv_n_threads[i] = 0; -#if 0 - srv_meter[i] = 30; - srv_meter_low_water[i] = 50; - srv_meter_high_water[i] = 100; - srv_meter_high_water2[i] = 200; - srv_meter_foreground[i] = 250; -#endif - } - UT_LIST_INIT(srv_sys->tasks); + srv_sys_mutex_exit(); + /* Create dummy indexes for infimum and supremum records */ dict_ind_init(); @@ -1045,14 +1082,11 @@ srv_free(void) mem_free(srv_conc_slots); srv_conc_slots = NULL; - mem_free(srv_sys->threads); mem_free(srv_sys); srv_sys = NULL; mem_free(kernel_mutex_temp); kernel_mutex_temp = NULL; - mem_free(srv_mysql_table); - srv_mysql_table = NULL; trx_i_s_cache_free(trx_i_s_cache); } @@ -1408,67 +1442,150 @@ srv_boot(void) return(DB_SUCCESS); } +/*********************************************************************//** +Print the contents of the srv_sys_t::waiting_threads array. */ +static +void +srv_print_mysql_threads(void) +/*=========================*/ +{ + ulint i; + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + srv_slot_t* slot; + + slot = srv_sys->waiting_threads + i; + + fprintf(stderr, + "Slot %lu: thread id %lu, type %lu," + " in use %lu, susp %lu, time %lu\n", + (ulong) i, + (ulong) os_thread_pf(slot->id), + (ulong) slot->type, + (ulong) slot->in_use, + (ulong) slot->suspended, + (ulong) difftime(ut_time(), slot->suspend_time)); + } +} + +/*********************************************************************//** +Release a slot in the srv_sys_t::waiting_threads. Adjust the array last pointer +if there are empty slots towards the end of the table. */ +static +void +srv_table_release_slot_for_mysql( +/*=============================*/ + srv_slot_t* slot) /*!< in: slot to release */ +{ +#ifdef UNIV_DEBUG + srv_slot_t* upper = srv_sys->waiting_threads + OS_THREAD_MAX_N; +#endif /* UNIV_DEBUG */ + + srv_sys_mutex_enter(); + + ut_a(slot->in_use); + ut_a(slot->thr != NULL); + ut_a(slot->thr->slot != NULL); + ut_a(slot->thr->slot == slot); + + /* Must be within the array boundaries. */ + ut_ad(slot >= srv_sys->waiting_threads); + ut_ad(slot < upper); + + slot->thr->slot = NULL; + slot->thr = NULL; + slot->in_use = FALSE; + + /* Scan backwards and adjust the last free slot pointer. */ + for (slot = srv_sys->last_slot; + slot > srv_sys->waiting_threads && !slot->in_use; + --slot) { + /* No op */ + } + + /* Either the array is empty or the last scanned slot is in use. */ + ut_ad(slot->in_use || slot == srv_sys->waiting_threads); + + srv_sys->last_slot = slot + 1; + + /* The last slot is either outside of the array boundry or it's + on an empty slot. */ + ut_ad(srv_sys->last_slot == upper || !srv_sys->last_slot->in_use); + + ut_ad(srv_sys->last_slot >= srv_sys->waiting_threads); + ut_ad(srv_sys->last_slot <= upper); + + srv_sys_mutex_exit(); +} + /*********************************************************************//** Reserves a slot in the thread table for the current MySQL OS thread. -NOTE! The kernel mutex has to be reserved by the caller! @return reserved slot */ static srv_slot_t* -srv_table_reserve_slot_for_mysql(void) -/*==================================*/ +srv_table_reserve_slot_for_mysql( +/*=============================*/ + que_thr_t* thr) /*!< in: query thread associated + with the MySQL OS thread */ { - srv_slot_t* slot; ulint i; + srv_slot_t* slot; - ut_ad(mutex_own(&kernel_mutex)); + srv_sys_mutex_enter(); - i = 0; - slot = srv_mysql_table + i; + slot = srv_sys->waiting_threads; - while (slot->in_use) { - i++; - - if (i >= OS_THREAD_MAX_N) { - - ut_print_timestamp(stderr); - - fprintf(stderr, - " InnoDB: There appear to be %lu MySQL" - " threads currently waiting\n" - "InnoDB: inside InnoDB, which is the" - " upper limit. Cannot continue operation.\n" - "InnoDB: We intentionally generate" - " a seg fault to print a stack trace\n" - "InnoDB: on Linux. But first we print" - " a list of waiting threads.\n", (ulong) i); - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_mysql_table + i; - - fprintf(stderr, - "Slot %lu: thread id %lu, type %lu," - " in use %lu, susp %lu, time %lu\n", - (ulong) i, - (ulong) os_thread_pf(slot->id), - (ulong) slot->type, - (ulong) slot->in_use, - (ulong) slot->suspended, - (ulong) difftime(ut_time(), - slot->suspend_time)); - } - - ut_error; + for (i = 0; i < OS_THREAD_MAX_N; ++i, ++slot) { + if (!slot->in_use) { + break; } - - slot = srv_mysql_table + i; } - ut_a(slot->in_use == FALSE); + /* Check if we have run out of slots. */ + if (slot == srv_sys->waiting_threads+ OS_THREAD_MAX_N) { - slot->in_use = TRUE; - slot->id = os_thread_get_curr_id(); - slot->handle = os_thread_get_curr(); + ut_print_timestamp(stderr); + + fprintf(stderr, + " InnoDB: There appear to be %lu MySQL" + " threads currently waiting\n" + "InnoDB: inside InnoDB, which is the" + " upper limit. Cannot continue operation.\n" + "InnoDB: We intentionally generate" + " a seg fault to print a stack trace\n" + "InnoDB: on Linux. But first we print" + " a list of waiting threads.\n", (ulong) i); + + srv_print_mysql_threads(); + + ut_error; + } else { + + ut_a(slot->in_use == FALSE); + + slot->in_use = TRUE; + slot->thr = thr; + slot->thr->slot = slot; + slot->id = os_thread_get_curr_id(); + slot->handle = os_thread_get_curr(); + + if (slot->event == NULL) { + slot->event = os_event_create(NULL); + ut_a(slot->event); + } + + os_event_reset(slot->event); + slot->suspended = TRUE; + slot->suspend_time = ut_time(); + } + + if (slot == srv_sys->last_slot) { + ++srv_sys->last_slot; + } + + ut_ad(srv_sys->last_slot <= srv_sys->waiting_threads+ OS_THREAD_MAX_N); + + srv_sys_mutex_exit(); return(slot); } @@ -1487,7 +1604,6 @@ srv_suspend_mysql_thread( OS thread */ { srv_slot_t* slot; - os_event_t event; double wait_time; trx_t* trx; ulint had_dict_lock; @@ -1529,15 +1645,7 @@ srv_suspend_mysql_thread( ut_ad(thr->is_active == FALSE); - slot = srv_table_reserve_slot_for_mysql(); - - event = slot->event; - - slot->thr = thr; - - os_event_reset(event); - - slot->suspend_time = ut_time(); + slot = srv_table_reserve_slot_for_mysql(thr); if (thr->lock_state == QUE_THR_LOCK_ROW) { srv_n_lock_wait_count++; @@ -1583,7 +1691,7 @@ srv_suspend_mysql_thread( /* Suspend this thread and wait for the event. */ - os_event_wait(event); + os_event_wait(slot->event); /* After resuming, reacquire the data dictionary latch if necessary. */ @@ -1604,13 +1712,13 @@ srv_suspend_mysql_thread( srv_conc_force_enter_innodb(trx); } + wait_time = ut_difftime(ut_time(), slot->suspend_time); + mutex_enter(&kernel_mutex); /* Release the slot for others to use */ - slot->in_use = FALSE; - - wait_time = ut_difftime(ut_time(), slot->suspend_time); + srv_table_release_slot_for_mysql(slot); if (thr->lock_state == QUE_THR_LOCK_ROW) { if (ut_usectime(&sec, &ms) == -1) { @@ -1663,25 +1771,13 @@ srv_release_mysql_thread_if_suspended( que_thr_t* thr) /*!< in: query thread associated with the MySQL OS thread */ { - srv_slot_t* slot; - ulint i; - ut_ad(mutex_own(&kernel_mutex)); - for (i = 0; i < OS_THREAD_MAX_N; i++) { + if (thr->slot != NULL) { + ut_a(thr->slot->in_use); - slot = srv_mysql_table + i; - - if (slot->in_use && slot->thr == thr) { - /* Found */ - - os_event_set(slot->event); - - return; - } + os_event_set(thr->slot->event); } - - /* not found */ } /******************************************************************//** @@ -2156,6 +2252,80 @@ exit_func: OS_THREAD_DUMMY_RETURN; } +/*********************************************************************//** +Check if the thread lock wait has timed out. Release its locks if the +wait has actually timed out. */ +UNIV_INTERN +void +srv_lock_check_wait( +/*================*/ + srv_slot_t* slot) +{ + trx_t* trx; + double wait_time; + ulong lock_wait_timeout; + + ut_ad(srv_sys_mutex_own()); + + wait_time = ut_difftime(ut_time(), slot->suspend_time); + + trx = thr_get_trx(slot->thr); + + lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); + + if (trx_is_interrupted(trx) + || (lock_wait_timeout < 100000000 + && (wait_time > (double) lock_wait_timeout + || wait_time < 0))) { + + /* Timeout exceeded or a wrap-around in system + time counter: cancel the lock request queued + by the transaction and release possible + other transactions waiting behind; it is + possible that the lock has already been + granted: in that case do nothing */ + + if (trx->wait_lock) { + trx_t* slot_trx; + + /* Release the srv_sys_t->mutex to preserve the + latch order only. */ + srv_sys_mutex_exit(); + + /* It is possible that the thread has already + freed its slot and released its locks and another + thread is now using this slot. We need to + check whether the slot is still in use by the + same thread before cancelling the wait and releasing + the locks. */ + + mutex_enter(&kernel_mutex); + + srv_sys_mutex_enter(); + + slot_trx = thr_get_trx(slot->thr); + + /* We can't compare the pointers here because the + memory can be recycled. Transaction ids are not + recyled and therefore safe to use. If the transaction + has already released its locks there is nothing + more we can do. */ + if (slot->in_use + && ut_dulint_cmp(trx->id, slot_trx->id) == 0 + && trx->wait_lock != NULL) { + + ut_a(trx->que_state == TRX_QUE_LOCK_WAIT); + + /* Note that the caller is the timeout thread */ + lock_cancel_waiting_and_release( + trx->wait_lock); + } + + mutex_exit(&kernel_mutex); + } + } +} + /*********************************************************************//** A thread which wakes up threads whose lock wait may have lasted too long. @return a dummy parameter */ @@ -2169,8 +2339,6 @@ srv_lock_timeout_thread( { srv_slot_t* slot; ibool some_waits; - double wait_time; - ulint i; #ifdef UNIV_PFS_THREAD pfs_register_thread(srv_lock_timeout_thread_key); @@ -2184,52 +2352,26 @@ loop: srv_lock_timeout_active = TRUE; - mutex_enter(&kernel_mutex); + srv_sys_mutex_enter(); some_waits = FALSE; - /* Check of all slots if a thread is waiting there, and if it - has exceeded the time limit */ + /* Check all slots for user threads that are waiting on locks, and + if they have exceeded the time limit. */ - for (i = 0; i < OS_THREAD_MAX_N; i++) { - - slot = srv_mysql_table + i; + for (slot = srv_sys->waiting_threads; + slot < srv_sys->last_slot; + ++slot) { if (slot->in_use) { - trx_t* trx; - ulong lock_wait_timeout; - some_waits = TRUE; - - wait_time = ut_difftime(ut_time(), slot->suspend_time); - - trx = thr_get_trx(slot->thr); - lock_wait_timeout = thd_lock_wait_timeout( - trx->mysql_thd); - - if (trx_is_interrupted(trx) - || (lock_wait_timeout < 100000000 - && (wait_time > (double) lock_wait_timeout - || wait_time < 0))) { - - /* Timeout exceeded or a wrap-around in system - time counter: cancel the lock request queued - by the transaction and release possible - other transactions waiting behind; it is - possible that the lock has already been - granted: in that case do nothing */ - - if (trx->wait_lock) { - lock_cancel_waiting_and_release( - trx->wait_lock); - } - } + srv_lock_check_wait(slot); } } os_event_reset(srv_lock_timeout_thread_event); - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { goto exit_func; @@ -2367,26 +2509,68 @@ loop: OS_THREAD_DUMMY_RETURN; } +/******************************************************************//** +Increment the server activity count. */ +UNIV_INLINE +void +srv_inc_activity_count_low(void) +/*============================*/ +{ + srv_sys_mutex_enter(); + + ++srv_sys->activity_count; + + srv_sys_mutex_exit(); +} + +/******************************************************************//** +Increment the server activity count. */ +UNIV_INTERN +void +srv_inc_activity_count(void) +/*========================*/ +{ + srv_inc_activity_count_low(); +} + +/**********************************************************************//** +Check whether the master thread is active. +@return FALSE is it is not active. */ +UNIV_INTERN +ibool +srv_is_master_thread_active(void) +/*=============================*/ +{ + ibool ret; + + srv_sys_mutex_enter(); + + ret = srv_sys->n_threads_active[SRV_MASTER] != 0; + + srv_sys_mutex_exit(); + + return(ret); +} + /*******************************************************************//** Tells the InnoDB server that there has been activity in the database and wakes up the master thread if it is suspended (not sleeping). Used in the MySQL interface. Note that there is a small chance that the master -thread stays suspended (we do not protect our operation with the kernel -mutex, for performace reasons). */ +thread stays suspended (we do not protect our operation with the +srv_sys_t->mutex, for performance reasons). */ UNIV_INTERN void srv_active_wake_master_thread(void) /*===============================*/ { - srv_activity_count++; + ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(!srv_sys_mutex_own()); - if (srv_n_threads_active[SRV_MASTER] == 0) { + srv_inc_activity_count_low(); - mutex_enter(&kernel_mutex); + if (srv_sys->n_threads_active[SRV_MASTER] == 0) { srv_release_threads(SRV_MASTER, 1); - - mutex_exit(&kernel_mutex); } } @@ -2394,23 +2578,20 @@ srv_active_wake_master_thread(void) Tells the purge thread that there has been activity in the database and wakes up the purge thread if it is suspended (not sleeping). Note that there is a small chance that the purge thread stays suspended -(we do not protect our operation with the kernel mutex, for -performace reasons). */ +(we do not protect our operation with the srv_sys_t:mutex, for +performance reasons). */ UNIV_INTERN void srv_wake_purge_thread_if_not_active(void) /*=====================================*/ { ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(!srv_sys_mutex_own()); if (srv_n_purge_threads > 0 - && srv_n_threads_active[SRV_WORKER] == 0) { - - mutex_enter(&kernel_mutex); + && srv_sys->n_threads_active[SRV_WORKER] == 0) { srv_release_threads(SRV_WORKER, 1); - - mutex_exit(&kernel_mutex); } } @@ -2421,13 +2602,12 @@ void srv_wake_master_thread(void) /*========================*/ { - srv_activity_count++; + ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(!srv_sys_mutex_own()); - mutex_enter(&kernel_mutex); + srv_inc_activity_count_low(); srv_release_threads(SRV_MASTER, 1); - - mutex_exit(&kernel_mutex); } /*******************************************************************//** @@ -2438,17 +2618,34 @@ srv_wake_purge_thread(void) /*=======================*/ { ut_ad(!mutex_own(&kernel_mutex)); + ut_ad(!srv_sys_mutex_own()); if (srv_n_purge_threads > 0) { - mutex_enter(&kernel_mutex); - srv_release_threads(SRV_WORKER, 1); - - mutex_exit(&kernel_mutex); } } +/*******************************************************************//** +Check if there has been any activity. +@return FALSE if no hange in activity counter. */ +UNIV_INLINE +ibool +srv_check_activity( +/*===============*/ + ulint old_activity_count) /*!< old activity count */ +{ + ibool ret; + + srv_sys_mutex_enter(); + + ret = srv_sys->activity_count != old_activity_count; + + srv_sys_mutex_exit(); + + return(ret); +} + /********************************************************************** The master thread is tasked to ensure that flush of log file happens once every second in the background. This is to ensure that not more @@ -2535,13 +2732,13 @@ srv_master_thread( srv_main_thread_process_no = os_proc_get_number(); srv_main_thread_id = os_thread_pf(os_thread_get_curr_id()); + srv_sys_mutex_enter(); + srv_table_reserve_slot(SRV_MASTER); - mutex_enter(&kernel_mutex); + srv_sys->n_threads_active[SRV_MASTER]++; - srv_n_threads_active[SRV_MASTER]++; - - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); loop: /*****************************************************************/ @@ -2553,12 +2750,13 @@ loop: buf_get_total_stat(&buf_stat); n_ios_very_old = log_sys->n_log_ios + buf_stat.n_pages_read + buf_stat.n_pages_written; - mutex_enter(&kernel_mutex); + + srv_sys_mutex_enter(); /* Store the user activity counter at the start of this loop */ - old_activity_count = srv_activity_count; + old_activity_count = srv_sys->activity_count; - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); if (srv_force_recovery >= SRV_FORCE_NO_BACKGROUND) { @@ -2664,7 +2862,7 @@ loop: } } - if (srv_activity_count == old_activity_count) { + if (srv_sys->activity_count == old_activity_count) { /* There is no user activity at the moment, go to the background loop */ @@ -2755,18 +2953,13 @@ loop: srv_main_thread_op_info = "reserving kernel mutex"; - mutex_enter(&kernel_mutex); - /* ---- When there is database activity, we jump from here back to the start of loop */ - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); + if (srv_check_activity(old_activity_count)) { goto loop; } - mutex_exit(&kernel_mutex); - /* If the database is quiet, we enter the background loop */ /*****************************************************************/ @@ -2799,12 +2992,9 @@ background_loop: srv_main_thread_op_info = "reserving kernel mutex"; - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); + if (srv_check_activity(old_activity_count)) { goto loop; } - mutex_exit(&kernel_mutex); srv_main_thread_op_info = "doing insert buffer merge"; @@ -2821,12 +3011,9 @@ background_loop: srv_main_thread_op_info = "reserving kernel mutex"; - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); + if (srv_check_activity(old_activity_count)) { goto loop; } - mutex_exit(&kernel_mutex); flush_loop: srv_main_thread_op_info = "flushing buffer pool pages"; @@ -2843,12 +3030,9 @@ flush_loop: srv_main_thread_op_info = "reserving kernel mutex"; - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); + if (srv_check_activity(old_activity_count)) { goto loop; } - mutex_exit(&kernel_mutex); srv_main_thread_op_info = "waiting for buffer pool flush to end"; buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST); @@ -2870,12 +3054,10 @@ flush_loop: srv_main_thread_op_info = "reserving kernel mutex"; - mutex_enter(&kernel_mutex); - if (srv_activity_count != old_activity_count) { - mutex_exit(&kernel_mutex); + if (srv_check_activity(old_activity_count)) { goto loop; } - mutex_exit(&kernel_mutex); + /* srv_main_thread_op_info = "archiving log (if log archive is on)"; @@ -2921,10 +3103,10 @@ suspend_thread: goto loop; } - event = srv_suspend_thread(); - mutex_exit(&kernel_mutex); + event = srv_suspend_thread(); + /* DO NOT CHANGE THIS STRING. innobase_start_or_create_for_mysql() waits for database activity to die down when converting < 4.1.x databases, and relies on this string being exactly as it is. InnoDB @@ -2970,13 +3152,13 @@ srv_purge_thread( os_thread_pf(os_thread_get_curr_id())); #endif /* UNIV_DEBUG_THREAD_CREATION */ - mutex_enter(&kernel_mutex); + srv_sys_mutex_enter(); slot_no = srv_table_reserve_slot(SRV_WORKER); - ++srv_n_threads_active[SRV_WORKER]; + ++srv_sys->n_threads_active[SRV_WORKER]; - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); while (srv_shutdown_state != SRV_SHUTDOWN_EXIT_THREADS) { @@ -2992,12 +3174,8 @@ srv_purge_thread( os_event_t event; - mutex_enter(&kernel_mutex); - event = srv_suspend_thread(); - mutex_exit(&kernel_mutex); - os_event_wait(event); } @@ -3026,13 +3204,13 @@ srv_purge_thread( /* Free the thread local memory. */ thr_local_free(os_thread_get_curr_id()); - mutex_enter(&kernel_mutex); + srv_sys_mutex_enter(); /* Free the slot for reuse. */ slot = srv_table_get_nth_slot(slot_no); slot->in_use = FALSE; - mutex_exit(&kernel_mutex); + srv_sys_mutex_exit(); #ifdef UNIV_DEBUG_THREAD_CREATION fprintf(stderr, "InnoDB: Purge thread exiting, id %lu\n", @@ -3045,3 +3223,24 @@ srv_purge_thread( OS_THREAD_DUMMY_RETURN; /* Not reached, avoid compiler warning */ } + +/**********************************************************************//** +Enqueues a task to server task queue and releases a worker thread, if there +is a suspended one. */ +UNIV_INTERN +void +srv_que_task_enqueue_low( +/*=====================*/ + que_thr_t* thr) /*!< in: query thread */ +{ + ut_ad(thr); + + srv_sys_mutex_enter(); + + UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); + + srv_sys_mutex_exit(); + + srv_release_threads(SRV_WORKER, 1); +} + diff --git a/sync/sync0sync.c b/sync/sync0sync.c index 235f733382d..9e169c7c27e 100644 --- a/sync/sync0sync.c +++ b/sync/sync0sync.c @@ -1167,6 +1167,7 @@ sync_thread_add_level( case SYNC_SEARCH_SYS_CONF: case SYNC_TRX_LOCK_HEAP: case SYNC_KERNEL: + case SYNC_THREADS: case SYNC_IBUF_BITMAP_MUTEX: case SYNC_RSEG: case SYNC_TRX_UNDO: diff --git a/trx/trx0roll.c b/trx/trx0roll.c index 6e72b13e116..4f1a71a5531 100644 --- a/trx/trx0roll.c +++ b/trx/trx0roll.c @@ -37,7 +37,6 @@ Created 3/26/1996 Heikki Tuuri #include "trx0rec.h" #include "que0que.h" #include "usr0sess.h" -#include "srv0que.h" #include "srv0start.h" #include "row0undo.h" #include "row0mysql.h" From 0139aae4d6fe295638701654f6e5555997b16fa6 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 21 Apr 2010 12:53:37 +0300 Subject: [PATCH 236/400] Bump InnoDB version after 1.1.0 has been released in MySQL 5.5.4-m3. --- storage/innobase/include/univ.i | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index ea0ad4e790c..f5e0369f8ad 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -46,7 +46,7 @@ Created 1/20/1994 Heikki Tuuri #define INNODB_VERSION_MAJOR 1 #define INNODB_VERSION_MINOR 1 -#define INNODB_VERSION_BUGFIX 0 +#define INNODB_VERSION_BUGFIX 1 /* The following is the InnoDB version as shown in SELECT plugin_version FROM information_schema.plugins; From 2faf4ddfd483dc4d772a07a7fb29cdcd1cbf0e46 Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Wed, 21 Apr 2010 15:32:27 -0700 Subject: [PATCH 237/400] Bug#52815: LIST COLUMNS doesn't insert rows in correct partition if muliple columns used Problem was that range scanning through the sorted array of the column list values did not use a correct index calculation. Fixed by also taking the number of columns in the calculation. --- mysql-test/r/partition_column.result | 44 ++++++++++++++++++++++++++-- mysql-test/t/partition_column.test | 26 ++++++++++++++++ sql/sql_partition.cc | 13 ++++---- 3 files changed, 76 insertions(+), 7 deletions(-) diff --git a/mysql-test/r/partition_column.result b/mysql-test/r/partition_column.result index 458343a6b92..506803238fe 100644 --- a/mysql-test/r/partition_column.result +++ b/mysql-test/r/partition_column.result @@ -1,4 +1,44 @@ drop table if exists t1; +# +# Bug#52815: LIST COLUMNS doesn't insert rows in correct partition +# if muliple columns used +CREATE TABLE t1 ( +id INT NOT NULL, +name VARCHAR(255), +department VARCHAR(10), +country VARCHAR(255) +) PARTITION BY LIST COLUMNS (department, country) ( +PARTITION first_office VALUES IN (('dep1', 'Russia'), ('dep1', 'Croatia')), +PARTITION second_office VALUES IN (('dep2', 'Russia')) +); +INSERT INTO t1 VALUES(1, 'Ann', 'dep1', 'Russia'); +INSERT INTO t1 VALUES(2, 'Bob', 'dep1', 'Croatia'); +INSERT INTO t1 VALUES(3, 'Cecil', 'dep2', 'Russia'); +INSERT INTO t1 VALUES(3, 'Dan', 'dep2', 'Croatia'); +ERROR HY000: Table has no partition for value from column_list +SELECT PARTITION_NAME,TABLE_ROWS +FROM INFORMATION_SCHEMA.PARTITIONS +WHERE TABLE_NAME = 't1'; +PARTITION_NAME TABLE_ROWS +first_office 2 +second_office 1 +SHOW CREATE TABLE t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) NOT NULL, + `name` varchar(255) DEFAULT NULL, + `department` varchar(10) DEFAULT NULL, + `country` varchar(255) DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +/*!50500 PARTITION BY LIST COLUMNS(department,country) +(PARTITION first_office VALUES IN (('dep1','Russia'),('dep1','Croatia')) ENGINE = MyISAM, + PARTITION second_office VALUES IN (('dep2','Russia')) ENGINE = MyISAM) */ +SELECT * FROM t1 WHERE department = 'dep2' and country = 'Croatia'; +id name department country +SELECT * FROM t1 WHERE department = 'dep1' and country = 'Croatia'; +id name department country +2 Bob dep1 Croatia +DROP TABLE t1; CREATE TABLE t1 (a DECIMAL) PARTITION BY RANGE COLUMNS (a) (PARTITION p0 VALUES LESS THAN (0)); @@ -298,11 +338,11 @@ select * from t1 where a > 8; a b select * from t1 where a not between 8 and 8; a b +1 NULL 2 NULL +1 1 2 2 3 NULL -1 NULL -1 1 show create table t1; Table Create Table t1 CREATE TABLE `t1` ( diff --git a/mysql-test/t/partition_column.test b/mysql-test/t/partition_column.test index d1d2d666a39..95a2be36395 100644 --- a/mysql-test/t/partition_column.test +++ b/mysql-test/t/partition_column.test @@ -8,6 +8,32 @@ drop table if exists t1; --enable_warnings +--echo # +--echo # Bug#52815: LIST COLUMNS doesn't insert rows in correct partition +--echo # if muliple columns used +CREATE TABLE t1 ( +id INT NOT NULL, +name VARCHAR(255), +department VARCHAR(10), +country VARCHAR(255) +) PARTITION BY LIST COLUMNS (department, country) ( +PARTITION first_office VALUES IN (('dep1', 'Russia'), ('dep1', 'Croatia')), +PARTITION second_office VALUES IN (('dep2', 'Russia')) +); + +INSERT INTO t1 VALUES(1, 'Ann', 'dep1', 'Russia'); +INSERT INTO t1 VALUES(2, 'Bob', 'dep1', 'Croatia'); +INSERT INTO t1 VALUES(3, 'Cecil', 'dep2', 'Russia'); +--error ER_NO_PARTITION_FOR_GIVEN_VALUE +INSERT INTO t1 VALUES(3, 'Dan', 'dep2', 'Croatia'); +SELECT PARTITION_NAME,TABLE_ROWS +FROM INFORMATION_SCHEMA.PARTITIONS +WHERE TABLE_NAME = 't1'; +SHOW CREATE TABLE t1; +SELECT * FROM t1 WHERE department = 'dep2' and country = 'Croatia'; +SELECT * FROM t1 WHERE department = 'dep1' and country = 'Croatia'; +DROP TABLE t1; + # # Bug#51347: assertion with show create table + partition by columns # on decimal column diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc index 0eb92dc23a9..153d958a362 100644 --- a/sql/sql_partition.cc +++ b/sql/sql_partition.cc @@ -3096,7 +3096,7 @@ int get_partition_id_list_col(partition_info *part_info, } else { - *part_id= (uint32)list_col_array[list_index].partition_id; + *part_id= (uint32)list_col_array[list_index*num_columns].partition_id; DBUG_RETURN(0); } } @@ -7701,7 +7701,7 @@ uint32 get_next_partition_id_range(PARTITION_ITERATOR* part_iter) DESCRIPTION This implementation of PARTITION_ITERATOR::get_next() is special for LIST partitioning: it enumerates partition ids in - part_info->list_array[i] (list_col_array[i] for COLUMNS LIST + part_info->list_array[i] (list_col_array[i*cols] for COLUMNS LIST partitioning) where i runs over [min_idx, max_idx] interval. The function conforms to partition_iter_func type. @@ -7727,9 +7727,12 @@ uint32 get_next_partition_id_list(PARTITION_ITERATOR *part_iter) { partition_info *part_info= part_iter->part_info; uint32 num_part= part_iter->part_nums.cur++; - return part_info->column_list ? - part_info->list_col_array[num_part].partition_id : - part_info->list_array[num_part].partition_id; + if (part_info->column_list) + { + uint num_columns= part_info->part_field_list.elements; + return part_info->list_col_array[num_part*num_columns].partition_id; + } + return part_info->list_array[num_part].partition_id; } } From 18a68a24b962c74bf4c32b750f75237d13938f94 Mon Sep 17 00:00:00 2001 From: sbains <> Date: Thu, 22 Apr 2010 01:09:15 +0000 Subject: [PATCH 238/400] branches/innodb+: Add a check for thread suspended time to the list of checks for slot recycle. Udpate the comments. --- srv/srv0srv.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/srv/srv0srv.c b/srv/srv0srv.c index 30c3000df77..fbfb60c1b99 100644 --- a/srv/srv0srv.c +++ b/srv/srv0srv.c @@ -2264,10 +2264,11 @@ srv_lock_check_wait( trx_t* trx; double wait_time; ulong lock_wait_timeout; + ib_time_t suspend_time = slot->suspend_time; ut_ad(srv_sys_mutex_own()); - wait_time = ut_difftime(ut_time(), slot->suspend_time); + wait_time = ut_difftime(ut_time(), suspend_time); trx = thr_get_trx(slot->thr); @@ -2307,16 +2308,18 @@ srv_lock_check_wait( /* We can't compare the pointers here because the memory can be recycled. Transaction ids are not - recyled and therefore safe to use. If the transaction - has already released its locks there is nothing - more we can do. */ + recyled and therefore safe to use. We also check if + the transaction suspend time is the same that we + used for calculating the wait earlier. If the + transaction has already released its locks there + is nothing more we can do. */ if (slot->in_use + && suspend_time == slot->suspend_time && ut_dulint_cmp(trx->id, slot_trx->id) == 0 && trx->wait_lock != NULL) { ut_a(trx->que_state == TRX_QUE_LOCK_WAIT); - /* Note that the caller is the timeout thread */ lock_cancel_waiting_and_release( trx->wait_lock); } From eda8d678a56fa582cc8200d9d45ddc700d4bcac2 Mon Sep 17 00:00:00 2001 From: mmakela <> Date: Thu, 22 Apr 2010 09:48:57 +0000 Subject: [PATCH 239/400] branches/innodb+: Merge revisions 6949:6970 from branches/zip, skipping the revisions that do not make sense in branches/innodb+: ------------------------------------------------------------------------ r6957 | vdimov | 2010-04-06 22:05:54 +0300 (Tue, 06 Apr 2010) | 2 lines Changed paths: M /branches/zip/trx/trx0trx.c branches/zip: Whitespace fixup ------------------------------------------------------------------------ r6962 | mmakela | 2010-04-07 15:03:54 +0300 (Wed, 07 Apr 2010) | 2 lines Changed paths: M /branches/zip/handler/ha_innodb.cc branches/zip: innobase_init(): Correct the error message about wrong innodb_change_buffering value. Reported by Ranger. ------------------------------------------------------------------------ r6967 | vdimov | 2010-04-07 22:40:38 +0300 (Wed, 07 Apr 2010) | 2 lines Changed paths: M /branches/zip/include/univ.i branches/zip: Whitespace fixup in univ.i ------------------------------------------------------------------------ --- handler/ha_innodb.cc | 2 +- include/univ.i | 2 +- trx/trx0trx.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/handler/ha_innodb.cc b/handler/ha_innodb.cc index 0a2c323bf07..469693cb6a5 100644 --- a/handler/ha_innodb.cc +++ b/handler/ha_innodb.cc @@ -2281,7 +2281,7 @@ mem_free_and_error: } sql_print_error("InnoDB: invalid value " - "innodb_file_format_check=%s", + "innodb_change_buffering=%s", innobase_change_buffering); goto mem_free_and_error; } diff --git a/include/univ.i b/include/univ.i index ea0ad4e790c..e96c5037693 100644 --- a/include/univ.i +++ b/include/univ.i @@ -115,7 +115,7 @@ if we are compiling on Windows. */ /* Include to get S_I... macros defined for os0file.c */ # include -# if !defined(__NETWARE__) && !defined(__WIN__) +# if !defined(__NETWARE__) && !defined(__WIN__) # include /* mmap() for os0proc.c */ # endif diff --git a/trx/trx0trx.c b/trx/trx0trx.c index cf7fe85c3d1..442037ad20a 100644 --- a/trx/trx0trx.c +++ b/trx/trx0trx.c @@ -847,7 +847,7 @@ trx_commit_off_kernel( recovery i.e.: back ground rollback thread is still active then there is a chance that the rollback thread may see this trx as COMMITTED_IN_MEMORY and goes adhead to clean it - up calling trx_cleanup_at_db_startup(). This can happen + up calling trx_cleanup_at_db_startup(). This can happen in the case we are committing a trx here that is left in PREPARED state during the crash. Note that commit of the rollback of a PREPARED trx happens in the recovery thread From 4ad49cf669851f4799d4d2970819b96bb7f3e529 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 22 Apr 2010 14:07:52 +0300 Subject: [PATCH 240/400] Merge c3400 from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3400 revision-id: mmakela@bk-internal.mysql.com-20100415070122-1nxji8ym4mao13ao parent: vasil.dimov@oracle.com-20100414200413-ktulgshvdp0smxk0 committer: Marko Makela branch nick: mysql-5.1-innodb timestamp: Thu 2010-04-15 09:01:22 +0200 message: storage/innodb_plugin: Relax too strict assertions about prefix indexed BLOBs for ROW_FORMAT=DYNAMIC and ROW_FORMAT_COMPRESSED tables (Bug #52746). In these tables, the locally stored prefix of a BLOB can be as small as 20 bytes (BTR_EXTERN_FIELD_REF_SIZE). ROW_FORMAT=REDUNDANT and ROW_FORMAT=COMPACT store a prefix of 768 bytes (REC_MAX_INDEX_COL_LEN). trx_undo_rec_get_col_val(): Relax the ut_ad() assertion and add a reference to dtuple_convert_big_rec(). trx_undo_rec_get_partial_row(): Relax the ut_a() assertion that prompted Bug #52746. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/trx/trx0rec.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Ftrx%2Ftrx0rec.c --- storage/innobase/trx/trx0rec.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/storage/innobase/trx/trx0rec.c b/storage/innobase/trx/trx0rec.c index bcc1f81381e..f50e10ed756 100644 --- a/storage/innobase/trx/trx0rec.c +++ b/storage/innobase/trx/trx0rec.c @@ -350,8 +350,13 @@ trx_undo_rec_get_col_val( ut_ad(*orig_len >= BTR_EXTERN_FIELD_REF_SIZE); ut_ad(*len > *orig_len); - ut_ad(*len >= REC_MAX_INDEX_COL_LEN + /* @see dtuple_convert_big_rec() */ + ut_ad(*len >= BTR_EXTERN_FIELD_REF_SIZE * 2); + /* we do not have access to index->table here + ut_ad(dict_table_get_format(index->table) >= DICT_TF_FORMAT_ZIP + || *len >= REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE); + */ *len += UNIV_EXTERN_STORAGE_FIELD; break; @@ -1075,11 +1080,15 @@ trx_undo_rec_get_partial_row( /* If the prefix of this column is indexed, ensure that enough prefix is stored in the undo log record. */ - ut_a(ignore_prefix - || !col->ord_part - || dfield_get_len(dfield) - >= REC_MAX_INDEX_COL_LEN - + BTR_EXTERN_FIELD_REF_SIZE); + if (!ignore_prefix && col->ord_part) { + ut_a(dfield_get_len(dfield) + >= 2 * BTR_EXTERN_FIELD_REF_SIZE); + ut_a(dict_table_get_format(index->table) + >= DICT_TF_FORMAT_ZIP + || dfield_get_len(dfield) + >= REC_MAX_INDEX_COL_LEN + + BTR_EXTERN_FIELD_REF_SIZE); + } } } From 0ecec12df38c1a1bf06d7adc61e2e57e304b642c Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 22 Apr 2010 14:24:42 +0300 Subject: [PATCH 241/400] Merge r3403..3414 from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3414 revision-id: marko.makela@oracle.com-20100422093342-jf9ojlzdqsdebohn parent: marko.makela@oracle.com-20100421185359-8qaxoa2yyrpzwdd7 committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Thu 2010-04-22 12:33:42 +0300 message: Correct the definition of DICT_SYS_INDEXES_NAME_FIELD. When row_merge_drop_temp_indexes() was reworked to drop the indexes via the data dictionary cache, the code was broken because it would read the index name from the wrong field. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/dict/dict0boot.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0boot.c storage/innodb_plugin/include/dict0boot.h 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Fdict0boot.h ------------------------------------------------------------ revno: 3413 revision-id: marko.makela@oracle.com-20100421185359-8qaxoa2yyrpzwdd7 parent: marko.makela@oracle.com-20100421102723-0i80uezbyu0ekj5d committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 21:53:59 +0300 message: btr_page_split_and_insert(): Avoid an infinite loop. (Bug #52964) btr_page_tuple_smaller(): New function, refactored from btr_page_split_and_insert(). btr_page_get_split_rec(): Renamed from btr_page_get_sure_split_rec(). Note that a NULL return may mean that the tuple is to be inserted into either the lower or upper page, to be determined by btr_page_tuple_smaller(). btr_page_split_and_insert(): When btr_page_get_split_rec() returns NULL, invoke btr_page_tuple_smaller() to determine which half-page the tuple belongs to. Reviewed by Sunny Bains modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/btr/btr0btr.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0btr.c ------------------------------------------------------------ revno: 3412 revision-id: marko.makela@oracle.com-20100421102723-0i80uezbyu0ekj5d parent: marko.makela@oracle.com-20100421100029-mji6lmdgvuqh96qq committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 13:27:23 +0300 message: dict_create_index_step(): Be strict about DYNAMIC and COMPRESSED tables. Bug #50495 is about REDUNDANT and COMPACT tables, after all. modified: mysql-test/suite/innodb_plugin/r/innodb-zip.result 2252@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb-zip.result mysql-test/suite/innodb_plugin/t/innodb-zip.test 2252@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb-zip.test storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/dict/dict0crea.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0crea.c ------------------------------------------------------------ revno: 3411 revision-id: marko.makela@oracle.com-20100421100029-mji6lmdgvuqh96qq parent: marko.makela@oracle.com-20100421095033-0acvzxb8um8cms0a committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 13:00:29 +0300 message: ha_innobase::add_index(): Only check for duplicate indexes when the data dictionary is locked. This fixes a UNIV_DEBUG assertion failure in innodb-index.test. modified: storage/innodb_plugin/handler/handler0alter.cc 1845@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fhandler%2Fhandler0alter.cc ------------------------------------------------------------ revno: 3410 revision-id: marko.makela@oracle.com-20100421095033-0acvzxb8um8cms0a parent: marko.makela@oracle.com-20100421094032-ir4glqk46qvg2ywn committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 12:50:33 +0300 message: dtuple_convert_big_rec(): Store locally any fields whose maximum length is less than 256 bytes. (Bug #52745) Add related comments and debug assertions to the "offsets" functions in rem0rec.c. Approved by Sunny Bains modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/data/data0data.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdata%2Fdata0data.c storage/innodb_plugin/rem/rem0rec.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frem%2Frem0rec.c ------------------------------------------------------------ revno: 3409 revision-id: marko.makela@oracle.com-20100421094032-ir4glqk46qvg2ywn parent: marko.makela@oracle.com-20100421091611-uu46iygmv5sizjru committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 12:40:32 +0300 message: Adjust tests for the Bug #50495 fix. modified: mysql-test/suite/innodb_plugin/r/innodb-zip.result 2252@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb-zip.result mysql-test/suite/innodb_plugin/t/innodb-zip.test 2252@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb-zip.test mysql-test/suite/innodb_plugin/t/innodb_bug36169.test 2418@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb_bug36169.test ------------------------------------------------------------ revno: 3408 revision-id: marko.makela@oracle.com-20100421091611-uu46iygmv5sizjru parent: marko.makela@oracle.com-20100421063916-h3gwjea7jzjilyww committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 12:16:11 +0300 message: rec_convert_dtuple_to_rec(): Correct the debug check. The "extern" accessor functions return zero or nonzero, not 0 or 1. modified: storage/innodb_plugin/rem/rem0rec.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frem%2Frem0rec.c ------------------------------------------------------------ revno: 3407 revision-id: marko.makela@oracle.com-20100421063916-h3gwjea7jzjilyww parent: marko.makela@oracle.com-20100420201550-cax1xywvlcdshgfg committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Wed 2010-04-21 09:39:16 +0300 message: rec_convert_dtuple_to_rec(): Add a debug check. modified: storage/innodb_plugin/rem/rem0rec.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frem%2Frem0rec.c ------------------------------------------------------------ revno: 3406 revision-id: marko.makela@oracle.com-20100420201550-cax1xywvlcdshgfg parent: marko.makela@oracle.com-20100420114222-diq7h2hiom9ww6me committer: Marko Makela branch nick: 5.1-innodb timestamp: Tue 2010-04-20 23:15:50 +0300 message: btr_cur_optimistic_insert(): Remove unused variable "heap". modified: storage/innodb_plugin/btr/btr0cur.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0cur.c ------------------------------------------------------------ revno: 3405 revision-id: marko.makela@oracle.com-20100420114222-diq7h2hiom9ww6me parent: marko.makela@oracle.com-20100420082908-tpako8jd4imkh1xb committer: Marko Makela branch nick: 5.1-innodb timestamp: Tue 2010-04-20 14:42:22 +0300 message: dict_create_index_step(): Invoke dict_index_add_to_cache() in strict mode only if innodb_strict_mode is set. (Bug #50495) trx_is_strict(): New function, for checking innodb_strict_mode. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/dict/dict0crea.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0crea.c storage/innodb_plugin/handler/ha_innodb.cc 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fhandler%2Fha_innodb.cc storage/innodb_plugin/include/trx0trx.h 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Ftrx0trx.h ------------------------------------------------------------ revno: 3404 revision-id: marko.makela@oracle.com-20100420082908-tpako8jd4imkh1xb parent: marko.makela@oracle.com-20100419103603-u5pz4qc6hfhx4nua committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-04-20 11:29:08 +0300 message: Implement UNIV_BTR_AVOID_COPY, an optimization of page splits. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/btr/btr0btr.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0btr.c storage/innodb_plugin/include/univ.i 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Funiv.i ------------------------------------------------------------ revno: 3403 revision-id: marko.makela@oracle.com-20100419103603-u5pz4qc6hfhx4nua parent: marko.makela@oracle.com-20100419094405-fd3xwadullishv07 committer: Marko =?ISO-8859-1?Q?M=E4kel=E4?= branch nick: 5.1-innodb timestamp: Mon 2010-04-19 13:36:03 +0300 message: Enable UNIV_DEBUG_VALGRIND when HAVE_purify is set. modified: storage/innobase/include/univ.i 2@cee13dc7-1704-0410-992b-c9b4543f1246:trunk%2Finclude%2Funiv.i storage/innodb_plugin/include/univ.i 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Funiv.i --- mysql-test/suite/innodb/t/innodb-zip.test | 3 +- .../suite/innodb/t/innodb_bug36169.test | 1 + storage/innobase/btr/btr0btr.c | 111 ++++++++++++------ storage/innobase/btr/btr0cur.c | 15 +-- storage/innobase/data/data0data.c | 15 +++ storage/innobase/dict/dict0boot.c | 4 +- storage/innobase/dict/dict0crea.c | 7 +- storage/innobase/handler/ha_innodb.cc | 13 ++ storage/innobase/handler/handler0alter.cc | 3 +- storage/innobase/include/dict0boot.h | 2 +- storage/innobase/include/trx0trx.h | 8 ++ storage/innobase/include/univ.i | 7 ++ storage/innobase/rem/rem0rec.c | 68 ++++++++++- 13 files changed, 200 insertions(+), 57 deletions(-) diff --git a/mysql-test/suite/innodb/t/innodb-zip.test b/mysql-test/suite/innodb/t/innodb-zip.test index eb517563416..8ba83517b44 100644 --- a/mysql-test/suite/innodb/t/innodb-zip.test +++ b/mysql-test/suite/innodb/t/innodb-zip.test @@ -85,7 +85,8 @@ SELECT table_schema, table_name, row_format FROM information_schema.tables WHERE engine='innodb'; drop table t1,t2; -# The following should fail even in non-strict mode. +# The following should fail in non-strict mode too. +# (The fix of Bug #50945 only affects REDUNDANT and COMPACT tables.) SET SESSION innodb_strict_mode = off; --error ER_TOO_BIG_ROWSIZE CREATE TABLE t1( diff --git a/mysql-test/suite/innodb/t/innodb_bug36169.test b/mysql-test/suite/innodb/t/innodb_bug36169.test index 5bf55193b5c..5bbbf45d484 100644 --- a/mysql-test/suite/innodb/t/innodb_bug36169.test +++ b/mysql-test/suite/innodb/t/innodb_bug36169.test @@ -24,6 +24,7 @@ SET GLOBAL innodb_file_per_table=ON; # Generating 10 tables # Creating a table with 94 columns and 24 indexes DROP TABLE IF EXISTS `table0`; +set innodb_strict_mode=on; --error ER_TOO_BIG_ROWSIZE CREATE TABLE IF NOT EXISTS `table0` (`col0` BOOL, diff --git a/storage/innobase/btr/btr0btr.c b/storage/innobase/btr/btr0btr.c index 6cc9b48936a..97a6bf859c9 100644 --- a/storage/innobase/btr/btr0btr.c +++ b/storage/innobase/btr/btr0btr.c @@ -1455,11 +1455,11 @@ Calculates a split record such that the tuple will certainly fit on its half-page when the split is performed. We assume in this function only that the cursor page has at least one user record. @return split record, or NULL if tuple will be the first record on -upper half-page */ +the lower or upper half-page (determined by btr_page_tuple_smaller()) */ static rec_t* -btr_page_get_sure_split_rec( -/*========================*/ +btr_page_get_split_rec( +/*===================*/ btr_cur_t* cursor, /*!< in: cursor at which insert should be made */ const dtuple_t* tuple, /*!< in: tuple to insert */ ulint n_ext) /*!< in: number of externally stored columns */ @@ -1835,6 +1835,37 @@ btr_attach_half_pages( btr_page_set_next(upper_page, upper_page_zip, next_page_no, mtr); } +/*************************************************************//** +Determine if a tuple is smaller than any record on the page. +@return TRUE if smaller */ +static +ibool +btr_page_tuple_smaller( +/*===================*/ + btr_cur_t* cursor, /*!< in: b-tree cursor */ + const dtuple_t* tuple, /*!< in: tuple to consider */ + ulint* offsets,/*!< in/out: temporary storage */ + ulint n_uniq, /*!< in: number of unique fields + in the index page records */ + mem_heap_t** heap) /*!< in/out: heap for offsets */ +{ + buf_block_t* block; + const rec_t* first_rec; + page_cur_t pcur; + + /* Read the first user record in the page. */ + block = btr_cur_get_block(cursor); + page_cur_set_before_first(block, &pcur); + page_cur_move_to_next(&pcur); + first_rec = page_cur_get_rec(&pcur); + + offsets = rec_get_offsets( + first_rec, cursor->index, offsets, + n_uniq, heap); + + return(cmp_dtuple_rec(tuple, first_rec, offsets) < 0); +} + /*************************************************************//** Splits an index page to halves and inserts the tuple. It is assumed that mtr holds an x-latch to the index tree. NOTE: the tree x-latch is @@ -1909,49 +1940,45 @@ func_start: if (n_iterations > 0) { direction = FSP_UP; hint_page_no = page_no + 1; - split_rec = btr_page_get_sure_split_rec(cursor, tuple, n_ext); + split_rec = btr_page_get_split_rec(cursor, tuple, n_ext); + if (UNIV_UNLIKELY(split_rec == NULL)) { + insert_left = btr_page_tuple_smaller( + cursor, tuple, offsets, n_uniq, &heap); + } } else if (btr_page_get_split_rec_to_right(cursor, &split_rec)) { direction = FSP_UP; hint_page_no = page_no + 1; + insert_left = FALSE; } else if (btr_page_get_split_rec_to_left(cursor, &split_rec)) { direction = FSP_DOWN; hint_page_no = page_no - 1; + ut_ad(split_rec); } else { direction = FSP_UP; hint_page_no = page_no + 1; - if (page_get_n_recs(page) == 1) { - page_cur_t pcur; + /* If there is only one record in the index page, we + can't split the node in the middle by default. We need + to determine whether the new record will be inserted + to the left or right. */ - /* There is only one record in the index page - therefore we can't split the node in the middle - by default. We need to determine whether the - new record will be inserted to the left or right. */ - - /* Read the first (and only) record in the page. */ - page_cur_set_before_first(block, &pcur); - page_cur_move_to_next(&pcur); - first_rec = page_cur_get_rec(&pcur); - - offsets = rec_get_offsets( - first_rec, cursor->index, offsets, - n_uniq, &heap); - - /* If the new record is less than the existing record - the split in the middle will copy the existing - record to the new node. */ - if (cmp_dtuple_rec(tuple, first_rec, offsets) < 0) { - split_rec = page_get_middle_rec(page); - } else { - split_rec = NULL; - } - } else { + if (page_get_n_recs(page) > 1) { split_rec = page_get_middle_rec(page); + } else if (btr_page_tuple_smaller(cursor, tuple, + offsets, n_uniq, &heap)) { + split_rec = page_rec_get_next( + page_get_infimum_rec(page)); + } else { + split_rec = NULL; + insert_left = FALSE; } } + /* At this point, insert_left is initialized if split_rec == NULL + and may be uninitialized otherwise. */ + /* 2. Allocate a new page to the index */ new_block = btr_page_alloc(cursor->index, hint_page_no, direction, btr_page_get_level(page, mtr), mtr); @@ -1978,11 +2005,11 @@ func_start: avoid further splits by inserting the record to an empty page. */ split_rec = NULL; - goto insert_right; + goto insert_empty; } } else { -insert_right: - insert_left = FALSE; +insert_empty: + ut_ad(!split_rec); buf = mem_alloc(rec_get_converted_size(cursor->index, tuple, n_ext)); @@ -2019,7 +2046,17 @@ insert_right: } /* 5. Move then the records to the new page */ - if (direction == FSP_DOWN) { + if (direction == FSP_DOWN +#ifdef UNIV_BTR_AVOID_COPY + && page_rec_is_supremum(move_limit)) { + /* Instead of moving all records, make the new page + the empty page. */ + + left_block = block; + right_block = new_block; + } else if (direction == FSP_DOWN +#endif /* UNIV_BTR_AVOID_COPY */ + ) { /* fputs("Split left\n", stderr); */ if (0 @@ -2062,6 +2099,14 @@ insert_right: right_block = block; lock_update_split_left(right_block, left_block); +#ifdef UNIV_BTR_AVOID_COPY + } else if (!split_rec) { + /* Instead of moving all records, make the new page + the empty page. */ + + left_block = new_block; + right_block = block; +#endif /* UNIV_BTR_AVOID_COPY */ } else { /* fputs("Split right\n", stderr); */ diff --git a/storage/innobase/btr/btr0cur.c b/storage/innobase/btr/btr0cur.c index 57d6973f623..9293fc151ae 100644 --- a/storage/innobase/btr/btr0cur.c +++ b/storage/innobase/btr/btr0cur.c @@ -1184,7 +1184,6 @@ btr_cur_optimistic_insert( ibool inherit; ulint zip_size; ulint rec_size; - mem_heap_t* heap = NULL; ulint err; *big_rec = NULL; @@ -1264,10 +1263,6 @@ btr_cur_optimistic_insert( index, entry, big_rec_vec); } - if (heap) { - mem_heap_free(heap); - } - return(DB_TOO_BIG_RECORD); } } @@ -1290,15 +1285,11 @@ fail_err: dtuple_convert_back_big_rec(index, entry, big_rec_vec); } - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - return(err); } if (UNIV_UNLIKELY(max_size < BTR_CUR_PAGE_REORGANIZE_LIMIT - || max_size < rec_size) + || max_size < rec_size) && UNIV_LIKELY(page_get_n_recs(page) > 1) && page_get_max_insert_size(page, 1) < rec_size) { @@ -1364,10 +1355,6 @@ fail_err: } } - if (UNIV_LIKELY_NULL(heap)) { - mem_heap_free(heap); - } - #ifdef BTR_CUR_HASH_ADAPT if (!reorg && leaf && (cursor->flag == BTR_CUR_HASH)) { btr_search_update_hash_node_on_insert(cursor); diff --git a/storage/innobase/data/data0data.c b/storage/innobase/data/data0data.c index e3c1f1b4f23..0715b49bf9c 100644 --- a/storage/innobase/data/data0data.c +++ b/storage/innobase/data/data0data.c @@ -666,6 +666,21 @@ dtuple_convert_big_rec( goto skip_field; } + /* In DYNAMIC and COMPRESSED format, store + locally any non-BLOB columns whose maximum + length does not exceed 256 bytes. This is + because there is no room for the "external + storage" flag when the maximum length is 255 + bytes or less. This restriction trivially + holds in REDUNDANT and COMPACT format, because + there we always store locally columns whose + length is up to local_len == 788 bytes. + @see rec_init_offsets_comp_ordinary */ + if (ifield->col->mtype != DATA_BLOB + && ifield->col->len < 256) { + goto skip_field; + } + longest_i = i; longest = savings; diff --git a/storage/innobase/dict/dict0boot.c b/storage/innobase/dict/dict0boot.c index 70b5bfa99f7..45d57b8c619 100644 --- a/storage/innobase/dict/dict0boot.c +++ b/storage/innobase/dict/dict0boot.c @@ -368,8 +368,8 @@ dict_boot(void) #if DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2 #error "DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2" #endif -#if DICT_SYS_INDEXES_NAME_FIELD != 1 + 2 -#error "DICT_SYS_INDEXES_NAME_FIELD != 1 + 2" +#if DICT_SYS_INDEXES_NAME_FIELD != 2 + 2 +#error "DICT_SYS_INDEXES_NAME_FIELD != 2 + 2" #endif table->id = DICT_INDEXES_ID; diff --git a/storage/innobase/dict/dict0crea.c b/storage/innobase/dict/dict0crea.c index 4ba7cd8a48c..653bff4bef6 100644 --- a/storage/innobase/dict/dict0crea.c +++ b/storage/innobase/dict/dict0crea.c @@ -1105,8 +1105,11 @@ dict_create_index_step( dulint index_id = node->index->id; - err = dict_index_add_to_cache(node->table, node->index, - FIL_NULL, TRUE); + err = dict_index_add_to_cache( + node->table, node->index, FIL_NULL, + trx_is_strict(trx) + || dict_table_get_format(node->table) + >= DICT_TF_FORMAT_ZIP); node->index = dict_index_get_if_in_cache_low(index_id); ut_a(!node->index == (err != DB_SUCCESS)); diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index ba251dc427d..0070cf904fc 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -1970,6 +1970,19 @@ trx_is_interrupted( return(trx && trx->mysql_thd && thd_killed((THD*) trx->mysql_thd)); } +/**********************************************************************//** +Determines if the currently running transaction is in strict mode. +@return TRUE if strict */ +extern "C" UNIV_INTERN +ibool +trx_is_strict( +/*==========*/ + trx_t* trx) /*!< in: transaction */ +{ + return(trx && trx->mysql_thd + && THDVAR((THD*) trx->mysql_thd, strict_mode)); +} + /**************************************************************//** Resets some fields of a prebuilt struct. The template is used in fast retrieval of just those column values MySQL needs in its processing. */ diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc index 32d9b9f0586..3244080c3be 100644 --- a/storage/innobase/handler/handler0alter.cc +++ b/storage/innobase/handler/handler0alter.cc @@ -922,9 +922,8 @@ convert_error: trx_commit_for_mysql(prebuilt->trx); } - ut_d(dict_table_check_for_dup_indexes(innodb_table, FALSE)); - if (dict_locked) { + ut_d(dict_table_check_for_dup_indexes(innodb_table, FALSE)); row_mysql_unlock_data_dictionary(trx); } diff --git a/storage/innobase/include/dict0boot.h b/storage/innobase/include/dict0boot.h index e01fafe652d..1a13bd1503a 100644 --- a/storage/innobase/include/dict0boot.h +++ b/storage/innobase/include/dict0boot.h @@ -137,7 +137,7 @@ clustered index */ #define DICT_SYS_INDEXES_PAGE_NO_FIELD 8 #define DICT_SYS_INDEXES_SPACE_NO_FIELD 7 #define DICT_SYS_INDEXES_TYPE_FIELD 6 -#define DICT_SYS_INDEXES_NAME_FIELD 3 +#define DICT_SYS_INDEXES_NAME_FIELD 4 /* When a row id which is zero modulo this number (which must be a power of two) is assigned, the field DICT_HDR_ROW_ID on the dictionary header page is diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h index 480f265a138..6872fb463c0 100644 --- a/storage/innobase/include/trx0trx.h +++ b/storage/innobase/include/trx0trx.h @@ -391,6 +391,14 @@ ibool trx_is_interrupted( /*===============*/ trx_t* trx); /*!< in: transaction */ +/**********************************************************************//** +Determines if the currently running transaction is in strict mode. +@return TRUE if strict */ +UNIV_INTERN +ibool +trx_is_strict( +/*==========*/ + trx_t* trx); /*!< in: transaction */ #else /* !UNIV_HOTBACKUP */ #define trx_is_interrupted(trx) FALSE #endif /* !UNIV_HOTBACKUP */ diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index a3002569ea5..927f237de0b 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -182,6 +182,9 @@ command. Not tested on Windows. */ #define UNIV_COMPILE_TEST_FUNCS */ +#ifdef HAVE_purify +# define UNIV_DEBUG_VALGRIND +#endif /* HAVE_purify */ #if 0 #define UNIV_DEBUG_VALGRIND /* Enable extra Valgrind instrumentation */ @@ -219,6 +222,10 @@ operations (very slow); also UNIV_DEBUG must be defined */ adaptive hash index */ #define UNIV_SRV_PRINT_LATCH_WAITS /* enable diagnostic output in sync0sync.c */ +#define UNIV_BTR_AVOID_COPY /* when splitting B-tree nodes, + do not move any records when + all the records would + be moved */ #define UNIV_BTR_PRINT /* enable functions for printing B-trees */ #define UNIV_ZIP_DEBUG /* extensive consistency checks diff --git a/storage/innobase/rem/rem0rec.c b/storage/innobase/rem/rem0rec.c index 27c11dacc8c..37ba8ca2ffe 100644 --- a/storage/innobase/rem/rem0rec.c +++ b/storage/innobase/rem/rem0rec.c @@ -212,6 +212,13 @@ rec_get_n_extern_new( const dict_col_t* col = dict_field_get_col(field); len = *lens--; + /* If the maximum length of the field is up + to 255 bytes, the actual length is always + stored in one byte. If the maximum length is + more than 255 bytes, the actual length is + stored in one byte for 0..127. The length + will be encoded in two bytes when it is 128 or + more, or when the field is stored externally. */ if (UNIV_UNLIKELY(col->len > 255) || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { if (len & 0x80) { @@ -294,6 +301,13 @@ rec_init_offsets_comp_ordinary( const dict_col_t* col = dict_field_get_col(field); len = *lens--; + /* If the maximum length of the field is up + to 255 bytes, the actual length is always + stored in one byte. If the maximum length is + more than 255 bytes, the actual length is + stored in one byte for 0..127. The length + will be encoded in two bytes when it is 128 or + more, or when the field is stored externally. */ if (UNIV_UNLIKELY(col->len > 255) || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { @@ -425,6 +439,15 @@ rec_init_offsets( const dict_col_t* col = dict_field_get_col(field); len = *lens--; + /* If the maximum length of the field + is up to 255 bytes, the actual length + is always stored in one byte. If the + maximum length is more than 255 bytes, + the actual length is stored in one + byte for 0..127. The length will be + encoded in two bytes when it is 128 or + more, or when the field is stored + externally. */ if (UNIV_UNLIKELY(col->len > 255) || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { @@ -647,6 +670,13 @@ rec_get_offsets_reverse( const dict_col_t* col = dict_field_get_col(field); len = *lens++; + /* If the maximum length of the field is up + to 255 bytes, the actual length is always + stored in one byte. If the maximum length is + more than 255 bytes, the actual length is + stored in one byte for 0..127. The length + will be encoded in two bytes when it is 128 or + more, or when the field is stored externally. */ if (UNIV_UNLIKELY(col->len > 255) || UNIV_UNLIKELY(col->mtype == DATA_BLOB)) { if (len & 0x80) { @@ -781,12 +811,20 @@ rec_get_converted_size_comp_prefix( ut_ad(len <= col->len || col->mtype == DATA_BLOB); + /* If the maximum length of a variable-length field + is up to 255 bytes, the actual length is always stored + in one byte. If the maximum length is more than 255 + bytes, the actual length is stored in one byte for + 0..127. The length will be encoded in two bytes when + it is 128 or more, or when the field is stored externally. */ + if (field->fixed_len) { ut_ad(len == field->fixed_len); /* dict_index_add_col() should guarantee this */ ut_ad(!field->prefix_len || field->fixed_len == field->prefix_len); } else if (dfield_is_ext(&fields[i])) { + ut_ad(col->len >= 256 || col->mtype == DATA_BLOB); extra_size += 2; } else if (len < 128 || (col->len < 256 && col->mtype != DATA_BLOB)) { @@ -1086,6 +1124,8 @@ rec_convert_dtuple_to_rec_comp( /* Store the data and the offsets */ for (i = 0, field = fields; i < n_fields; i++, field++) { + const dict_field_t* ifield; + type = dfield_get_type(field); len = dfield_get_len(field); @@ -1120,12 +1160,20 @@ rec_convert_dtuple_to_rec_comp( /* only nullable fields can be null */ ut_ad(!dfield_is_null(field)); - fixed_len = dict_index_get_nth_field(index, i)->fixed_len; - + ifield = dict_index_get_nth_field(index, i); + fixed_len = ifield->fixed_len; + /* If the maximum length of a variable-length field + is up to 255 bytes, the actual length is always stored + in one byte. If the maximum length is more than 255 + bytes, the actual length is stored in one byte for + 0..127. The length will be encoded in two bytes when + it is 128 or more, or when the field is stored externally. */ if (fixed_len) { ut_ad(len == fixed_len); ut_ad(!dfield_is_ext(field)); } else if (dfield_is_ext(field)) { + ut_ad(ifield->col->len >= 256 + || ifield->col->mtype == DATA_BLOB); ut_ad(len <= REC_MAX_INDEX_COL_LEN + BTR_EXTERN_FIELD_REF_SIZE); *lens-- = (byte) (len >> 8) | 0xc0; @@ -1215,11 +1263,20 @@ rec_convert_dtuple_to_rec( mem_heap_t* heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; const ulint* offsets; + ulint i; rec_offs_init(offsets_); offsets = rec_get_offsets(rec, index, offsets_, ULINT_UNDEFINED, &heap); ut_ad(rec_validate(rec, offsets)); + ut_ad(dtuple_get_n_fields(dtuple) + == rec_offs_n_fields(offsets)); + + for (i = 0; i < rec_offs_n_fields(offsets); i++) { + ut_ad(!dfield_is_ext(dtuple_get_nth_field(dtuple, i)) + == !rec_offs_nth_extern(offsets, i)); + } + if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } @@ -1402,6 +1459,13 @@ rec_copy_prefix_to_buf( prefix_len += field->fixed_len; } else { ulint len = *lens--; + /* If the maximum length of the column is up + to 255 bytes, the actual length is always + stored in one byte. If the maximum length is + more than 255 bytes, the actual length is + stored in one byte for 0..127. The length + will be encoded in two bytes when it is 128 or + more, or when the column is stored externally. */ if (col->len > 255 || col->mtype == DATA_BLOB) { if (len & 0x80) { /* 1exxxxxx */ From e4a4ec39161145aa8a48485170d73783c460d530 Mon Sep 17 00:00:00 2001 From: jyang Date: Thu, 22 Apr 2010 14:51:43 -0700 Subject: [PATCH 242/400] Register newly added purge thread to performance schema tracking. rb://289, approved by Marko --- storage/innobase/handler/ha_innodb.cc | 3 ++- storage/innobase/include/srv0srv.h | 1 + storage/innobase/srv/srv0srv.c | 4 ++++ storage/innobase/srv/srv0start.c | 1 + 4 files changed, 8 insertions(+), 1 deletion(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index e526be7c55c..0c7bafb39e2 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -312,7 +312,8 @@ static PSI_thread_info all_innodb_threads[] = { {&srv_lock_timeout_thread_key, "srv_lock_timeout_thread", 0}, {&srv_error_monitor_thread_key, "srv_error_monitor_thread", 0}, {&srv_monitor_thread_key, "srv_monitor_thread", 0}, - {&srv_master_thread_key, "srv_master_thread", 0} + {&srv_master_thread_key, "srv_master_thread", 0}, + {&srv_purge_thread_key, "srv_purge_thread", 0} }; # endif /* UNIV_PFS_THREAD */ diff --git a/storage/innobase/include/srv0srv.h b/storage/innobase/include/srv0srv.h index 2cec4b919fb..e81c7066e4b 100644 --- a/storage/innobase/include/srv0srv.h +++ b/storage/innobase/include/srv0srv.h @@ -328,6 +328,7 @@ extern mysql_pfs_key_t srv_lock_timeout_thread_key; extern mysql_pfs_key_t srv_error_monitor_thread_key; extern mysql_pfs_key_t srv_monitor_thread_key; extern mysql_pfs_key_t srv_master_thread_key; +extern mysql_pfs_key_t srv_purge_thread_key; /* This macro register the current thread and its key with performance schema */ diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 560dafa6138..876bce70b40 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2965,6 +2965,10 @@ srv_purge_thread( ut_a(srv_n_purge_threads == 1); +#ifdef UNIV_PFS_THREAD + pfs_register_thread(srv_purge_thread_key); +#endif /* UNIV_PFS_THREAD */ + #ifdef UNIV_DEBUG_THREAD_CREATION fprintf(stderr, "InnoDB: Purge thread running, id %lu\n", os_thread_pf(os_thread_get_curr_id())); diff --git a/storage/innobase/srv/srv0start.c b/storage/innobase/srv/srv0start.c index 4c9851e953b..c8512fc27a4 100644 --- a/storage/innobase/srv/srv0start.c +++ b/storage/innobase/srv/srv0start.c @@ -149,6 +149,7 @@ UNIV_INTERN mysql_pfs_key_t srv_lock_timeout_thread_key; UNIV_INTERN mysql_pfs_key_t srv_error_monitor_thread_key; UNIV_INTERN mysql_pfs_key_t srv_monitor_thread_key; UNIV_INTERN mysql_pfs_key_t srv_master_thread_key; +UNIV_INTERN mysql_pfs_key_t srv_purge_thread_key; #endif /* UNIV_PFS_THREAD */ #ifdef UNIV_PFS_MUTEX From 7e094ea01293a3d186763a7bd71c5f676e630755 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 23 Apr 2010 15:19:17 +1000 Subject: [PATCH 243/400] Fix a race condition introduced by r7004. We need to acquire the srv_sys->mutex for all other cases where we release a suspended thread waiting on a lock other than those released by the lock wait timer thread. --- storage/innobase/include/trx0trx.h | 10 ++++++++++ storage/innobase/srv/srv0srv.c | 18 ++++++++++++++---- storage/innobase/trx/trx0trx.c | 2 ++ 3 files changed, 26 insertions(+), 4 deletions(-) diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h index 6872fb463c0..093b53d9543 100644 --- a/storage/innobase/include/trx0trx.h +++ b/storage/innobase/include/trx0trx.h @@ -647,6 +647,16 @@ struct trx_struct{ TRX_QUE_LOCK_WAIT, this points to the lock request, otherwise this is NULL */ + ibool lock_wait_timeout; + /* when this transaction is rolled + back because the lock wait timed out. + We use this flag to distinguish between + a wait time out detected by the lock + monitor thread vs other code paths. For + the former we already have the the + srv_sys->mutex locked. For the other + cases we need to acquire it explicitly + when releasing a suspended thread. */ ibool was_chosen_as_deadlock_victim; /* when the transaction decides to wait for a lock, it sets this to FALSE; diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 33061be2af3..4e83edcb542 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -1773,11 +1773,18 @@ srv_release_mysql_thread_if_suspended( { ut_ad(mutex_own(&kernel_mutex)); - if (thr->slot != NULL) { - ut_a(thr->slot->in_use); + if (!thr_get_trx(thr)->lock_wait_timeout) { + srv_sys_mutex_enter(); + } + + if (thr->slot != NULL && thr->slot->in_use && thr->slot->thr == thr) { os_event_set(thr->slot->event); } + + if (!thr_get_trx(thr)->lock_wait_timeout) { + srv_sys_mutex_exit(); + } } /******************************************************************//** @@ -2320,8 +2327,11 @@ srv_lock_check_wait( ut_a(trx->que_state == TRX_QUE_LOCK_WAIT); - lock_cancel_waiting_and_release( - trx->wait_lock); + trx->lock_wait_timeout = TRUE; + + lock_cancel_waiting_and_release(trx->wait_lock); + + trx->lock_wait_timeout = FALSE; } mutex_exit(&kernel_mutex); diff --git a/storage/innobase/trx/trx0trx.c b/storage/innobase/trx/trx0trx.c index 442037ad20a..df2ba26041c 100644 --- a/storage/innobase/trx/trx0trx.c +++ b/storage/innobase/trx/trx0trx.c @@ -189,6 +189,8 @@ trx_create( trx->autoinc_locks = ib_vector_create( mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); + trx->lock_wait_timeout = FALSE; + return(trx); } From d93f41aab33ddeb4d688ad288d11c4123c153f72 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 23 Apr 2010 17:52:09 +1000 Subject: [PATCH 244/400] Add a debug assertion for the case where the waiting thread is being woken up because of a lock wait timeout. --- storage/innobase/srv/srv0srv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 4e83edcb542..b539807b0e9 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -1775,6 +1775,8 @@ srv_release_mysql_thread_if_suspended( if (!thr_get_trx(thr)->lock_wait_timeout) { srv_sys_mutex_enter(); + } else { + ut_ad(srv_sys_mutex_own()); } if (thr->slot != NULL && thr->slot->in_use && thr->slot->thr == thr) { From e54c2e009dcfb84bb85775d631e4b3efae09c0d5 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 23 Apr 2010 17:12:56 +0300 Subject: [PATCH 245/400] Fix typo in comment in innodb_bug38231.test --- mysql-test/suite/innodb/t/innodb_bug38231.test | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/innodb/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test index dd9ca10a5e7..ef3272d8d91 100644 --- a/mysql-test/suite/innodb/t/innodb_bug38231.test +++ b/mysql-test/suite/innodb/t/innodb_bug38231.test @@ -43,7 +43,7 @@ UNLOCK TABLES; # clean up -# do not clean up - we do not know which of the tree has been released +# do not clean up - we do not know which of the three has been released # so the --reap command may hang because the executing command is still # running/waiting #-- connection lock_wait1 From e77de87a117606fa9db2c4145979daef1f7e580e Mon Sep 17 00:00:00 2001 From: Inaam Rana Date: Mon, 26 Apr 2010 23:24:45 -0400 Subject: [PATCH 246/400] buf_flush_list() should return failure if one of the buffer pool was skipped because another flush batch was active. This is to ensure that the when we return success then it is guaranteed that all pages up to the lsn_limit have been flushed to the disk. --- storage/innobase/buf/buf0flu.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/storage/innobase/buf/buf0flu.c b/storage/innobase/buf/buf0flu.c index bb126a35867..4d5566d79c0 100644 --- a/storage/innobase/buf/buf0flu.c +++ b/storage/innobase/buf/buf0flu.c @@ -1748,6 +1748,7 @@ buf_flush_list( { ulint i; ulint total_page_count = 0; + ibool skipped = FALSE; if (min_n != ULINT_MAX) { /* Ensure that flushing is spread evenly amongst the @@ -1758,10 +1759,6 @@ buf_flush_list( / srv_buf_pool_instances; } - /* We use buffer pool instance 0 to control start and end of - flushing of the flush list since we always flush all instances - at once in this case. */ - /* Flush to lsn_limit in all buffer pool instances */ for (i = 0; i < srv_buf_pool_instances; i++) { buf_pool_t* buf_pool; @@ -1770,6 +1767,18 @@ buf_flush_list( buf_pool = buf_pool_from_array(i); if (!buf_flush_start(buf_pool, BUF_FLUSH_LIST)) { + /* We have two choices here. If lsn_limit was + specified then skipping an instance of buffer + pool means we cannot guarantee that all pages + up to lsn_limit has been flushed. We can + return right now with failure or we can try + to flush remaining buffer pools up to the + lsn_limit. We attempt to flush other buffer + pools based on the assumption that it will + help in the retry which will follow the + failure. */ + skipped = TRUE; + continue; } @@ -1783,7 +1792,8 @@ buf_flush_list( total_page_count += page_count; } - return(total_page_count); + return(lsn_limit != IB_ULONGLONG_MAX && skipped + ? ULINT_UNDEFINED : total_page_count); } /******************************************************************//** From 6c3b6808e82cd38fe85298267c4a716e748fbb7a Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Wed, 28 Apr 2010 06:47:47 +1000 Subject: [PATCH 247/400] Fix bug introduced by r3038. When a transaction is rolled back by the lock monitor thread, it may have locks that are granted to waited to waiting transactions. These waiting transactions will need to be woken up but their trx->lock_wait_timeout flag will be FALSE causing the old code to break. What we need is a flag that covers the entire lock release process not individual transactions. The fix is to move the flag out of trx_t and into srv_sys_t. --- storage/innobase/include/trx0trx.h | 10 ---------- storage/innobase/srv/srv0srv.c | 17 +++++++++++++---- storage/innobase/trx/trx0trx.c | 2 -- 3 files changed, 13 insertions(+), 16 deletions(-) diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h index 093b53d9543..6872fb463c0 100644 --- a/storage/innobase/include/trx0trx.h +++ b/storage/innobase/include/trx0trx.h @@ -647,16 +647,6 @@ struct trx_struct{ TRX_QUE_LOCK_WAIT, this points to the lock request, otherwise this is NULL */ - ibool lock_wait_timeout; - /* when this transaction is rolled - back because the lock wait timed out. - We use this flag to distinguish between - a wait time out detected by the lock - monitor thread vs other code paths. For - the former we already have the the - srv_sys->mutex locked. For the other - cases we need to acquire it explicitly - when releasing a suspended thread. */ ibool was_chosen_as_deadlock_victim; /* when the transaction decides to wait for a lock, it sets this to FALSE; diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index b539807b0e9..86e80cdd7fb 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -720,6 +720,14 @@ struct srv_sys_struct{ in the waiting_threads array */ ulint activity_count; /*!< For tracking server activity */ + unsigned lock_wait_timeout; /*!< TRUE if the lock monitor + thread is rolling back a + transaction that has waited + for too long for the lock a + be granted. We use this flag + to track whether the + srv_sys->mutex needs to be + acquired or not */ }; UNIV_INTERN os_event_t srv_lock_timeout_thread_event; @@ -1773,7 +1781,7 @@ srv_release_mysql_thread_if_suspended( { ut_ad(mutex_own(&kernel_mutex)); - if (!thr_get_trx(thr)->lock_wait_timeout) { + if (!srv_sys->lock_wait_timeout) { srv_sys_mutex_enter(); } else { ut_ad(srv_sys_mutex_own()); @@ -1784,7 +1792,7 @@ srv_release_mysql_thread_if_suspended( os_event_set(thr->slot->event); } - if (!thr_get_trx(thr)->lock_wait_timeout) { + if (!srv_sys->lock_wait_timeout) { srv_sys_mutex_exit(); } } @@ -2327,13 +2335,14 @@ srv_lock_check_wait( && ut_dulint_cmp(trx->id, slot_trx->id) == 0 && trx->wait_lock != NULL) { + ut_a(!srv_sys->lock_wait_timeout); ut_a(trx->que_state == TRX_QUE_LOCK_WAIT); - trx->lock_wait_timeout = TRUE; + srv_sys->lock_wait_timeout = TRUE; lock_cancel_waiting_and_release(trx->wait_lock); - trx->lock_wait_timeout = FALSE; + srv_sys->lock_wait_timeout = FALSE; } mutex_exit(&kernel_mutex); diff --git a/storage/innobase/trx/trx0trx.c b/storage/innobase/trx/trx0trx.c index df2ba26041c..442037ad20a 100644 --- a/storage/innobase/trx/trx0trx.c +++ b/storage/innobase/trx/trx0trx.c @@ -189,8 +189,6 @@ trx_create( trx->autoinc_locks = ib_vector_create( mem_heap_create(sizeof(ib_vector_t) + sizeof(void*) * 4), 4); - trx->lock_wait_timeout = FALSE; - return(trx); } From 8280fdd3c3df5460f77490daa55df24c560466ea Mon Sep 17 00:00:00 2001 From: Konstantin Osipov Date: Wed, 28 Apr 2010 14:04:11 +0400 Subject: [PATCH 248/400] Committing on behalf or Dmitry Lenev: Fix for bug #46947 "Embedded SELECT without FOR UPDATE is causing a lock", with after-review fixes. SELECT statements with subqueries referencing InnoDB tables were acquiring shared locks on rows in these tables when they were executed in REPEATABLE-READ mode and with statement or mixed mode binary logging turned on. This was a regression which were introduced when fixing bug 39843. The problem was that for tables belonging to subqueries parser set TL_READ_DEFAULT as a lock type. In cases when statement/mixed binary logging at open_tables() time this type of lock was converted to TL_READ_NO_INSERT lock at open_tables() time and caused InnoDB engine to acquire shared locks on reads from these tables. Although in some cases such behavior was correct (e.g. for subqueries in DELETE) in case of SELECT it has caused unnecessary locking. This patch tries to solve this problem by rethinking our approach to how we handle locking for SELECT and subqueries. Now we always set TL_READ_DEFAULT lock type for all cases when we read data. When at open_tables() time this lock is interpreted as TL_READ_NO_INSERT or TL_READ depending on whether this statement as a whole or call to function which uses particular table should be written to the binary log or not (if yes then statement should be properly serialized with concurrent statements and stronger lock should be acquired). Test coverage is added for both InnoDB and MyISAM. This patch introduces an "incompatible" change in locking scheme for subqueries used in SELECT ... FOR UPDATE and SELECT .. IN SHARE MODE. In 4.1 the server would use a snapshot InnoDB read for subqueries in SELECT FOR UPDATE and SELECT .. IN SHARE MODE statements, regardless of whether the binary log is on or off. If the user required a different type of read (i.e. locking read), he/she could request so explicitly by providing FOR UPDATE/IN SHARE MODE clause for each individual subquery. On of the patches for 5.0 broke this behaviour (which was not documented or tested), and started to use locking reads fora all subqueries in SELECT ... FOR UPDATE/IN SHARE MODE. This patch restored 4.1 behaviour. --- .../include/check_concurrent_insert.inc | 90 ++ .../include/check_no_concurrent_insert.inc | 75 ++ mysql-test/include/check_no_row_lock.inc | 71 ++ mysql-test/include/check_shared_row_lock.inc | 61 ++ mysql-test/r/bug39022.result | 6 +- mysql-test/r/innodb_mysql_lock2.result | 564 ++++++++++++ mysql-test/r/lock_sync.result | 592 +++++++++++++ mysql-test/t/bug39022.test | 6 +- mysql-test/t/innodb_mysql_lock2.test | 765 ++++++++++++++++ mysql-test/t/lock_sync.test | 820 +++++++++++++++++- sql/log_event.cc | 23 +- sql/log_event.h | 16 +- sql/sp_head.cc | 3 + sql/sql_acl.cc | 6 + sql/sql_base.cc | 32 +- sql/sql_base.h | 4 +- sql/sql_lex.cc | 7 +- sql/sql_lex.h | 54 +- sql/sql_load.cc | 10 +- sql/sql_parse.cc | 1 - sql/sql_priv.h | 6 + sql/sql_select.cc | 3 +- sql/sql_show.cc | 10 +- sql/sql_table.cc | 6 + sql/sql_trigger.cc | 7 + sql/sql_update.cc | 2 +- sql/sql_yacc.yy | 52 +- 27 files changed, 3205 insertions(+), 87 deletions(-) create mode 100644 mysql-test/include/check_concurrent_insert.inc create mode 100644 mysql-test/include/check_no_concurrent_insert.inc create mode 100644 mysql-test/include/check_no_row_lock.inc create mode 100644 mysql-test/include/check_shared_row_lock.inc create mode 100644 mysql-test/r/innodb_mysql_lock2.result create mode 100644 mysql-test/t/innodb_mysql_lock2.test diff --git a/mysql-test/include/check_concurrent_insert.inc b/mysql-test/include/check_concurrent_insert.inc new file mode 100644 index 00000000000..7a7ef7de786 --- /dev/null +++ b/mysql-test/include/check_concurrent_insert.inc @@ -0,0 +1,90 @@ +# +# SUMMARY +# Check if statement reading table '$table' allows concurrent +# inserts in it. +# +# PARAMETERS +# $table Table in which concurrent inserts should be allowed. +# $con_aux1 Name of the first auxiliary connection to be used by this +# script. +# $con_aux2 Name of the second auxiliary connection to be used by this +# script. +# $statement Statement to be checked. +# $restore_table Table which might be modified affected by statement to be +# checked and thus needs backing up before its execution +# and restoring after it (can be empty). +# +# EXAMPLE +# lock_sync.test +# +--disable_result_log +--disable_query_log + +if (`SELECT '$restore_table' <> ''`) +{ +--eval create table t_backup select * from $restore_table; +} + +connection $con_aux1; +set debug_sync='after_lock_tables_takes_lock SIGNAL parked WAIT_FOR go'; +--send_eval $statement; + +connection $con_aux2; +set debug_sync='now WAIT_FOR parked'; +--send_eval insert into $table values (0); + +--enable_result_log +--enable_query_log +connection default; +# Wait until concurrent insert is successfully executed while +# statement being checked has its tables locked. +# We use wait_condition.inc instead of simply executing +# concurrent insert here in order to avoid deadlocks if test +# fails and timing out instead. +let $wait_condition= + select count(*) = 0 from information_schema.processlist + where info = "insert into $table values (0)"; +--source include/wait_condition.inc + +--disable_result_log +--disable_query_log + +if ($success) +{ +# Apparently concurrent insert was successfully executed. +# To be safe against wait_condition.inc succeeding due to +# races let us first reap concurrent insert to ensure that +# it has really been successfully executed. +connection $con_aux2; +--reap +connection default; +set debug_sync= 'now SIGNAL go'; +connection $con_aux1; +--reap +connection default; +--echo Success: '$statement' allows concurrent inserts into '$table'. +} +if (!$success) +{ +# Waiting has timed out. Apparently concurrent insert was blocked. +# So to be able to continue we need to end our statement first. +set debug_sync= 'now SIGNAL go'; +connection $con_aux1; +--reap +connection $con_aux2; +--reap +connection default; +--echo Error: '$statement' doesn't allow concurrent inserts into '$table'! +} + +--eval delete from $table where i = 0; + +if (`SELECT '$restore_table' <> ''`) +{ +--eval truncate table $restore_table; +--eval insert into $restore_table select * from t_backup; +drop table t_backup; +} + +--enable_result_log +--enable_query_log diff --git a/mysql-test/include/check_no_concurrent_insert.inc b/mysql-test/include/check_no_concurrent_insert.inc new file mode 100644 index 00000000000..856e1eca4ac --- /dev/null +++ b/mysql-test/include/check_no_concurrent_insert.inc @@ -0,0 +1,75 @@ +# +# SUMMARY +# Check that statement reading table '$table' doesn't allow concurrent +# inserts in it. +# +# PARAMETERS +# $table Table in which concurrent inserts should be disallowed. +# $con_aux1 Name of the first auxiliary connection to be used by this +# script. +# $con_aux2 Name of the second auxiliary connection to be used by this +# script. +# $statement Statement to be checked. +# $restore_table Table which might be modified affected by statement to be +# checked and thus needs backing up before its execution +# and restoring after it (can be empty). +# +# EXAMPLE +# lock_sync.test +# +--disable_result_log +--disable_query_log + +if (`SELECT '$restore_table' <> ''`) +{ +--eval create table t_backup select * from $restore_table; +} + +connection $con_aux1; +set debug_sync='after_lock_tables_takes_lock SIGNAL parked WAIT_FOR go'; +--send_eval $statement; + +connection $con_aux2; +set debug_sync='now WAIT_FOR parked'; +--send_eval insert into $table values (0); + +--enable_result_log +--enable_query_log +connection default; +# Wait until concurrent insert is successfully blocked because +# of our statement. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Table lock" and info = "insert into $table values (0)"; +--source include/wait_condition.inc + +--disable_result_log +--disable_query_log + +set debug_sync= 'now SIGNAL go'; +connection $con_aux1; +--reap +connection $con_aux2; +--reap +connection default; + +if ($success) +{ +--echo Success: '$statement' doesn't allow concurrent inserts into '$table'. +} +if (!$success) +{ +--echo Error: '$statement' allows concurrent inserts into '$table'! +} + +--eval delete from $table where i = 0; + +if (`SELECT '$restore_table' <> ''`) +{ +--eval truncate table $restore_table; +--eval insert into $restore_table select * from t_backup; +drop table t_backup; +} + +--enable_result_log +--enable_query_log diff --git a/mysql-test/include/check_no_row_lock.inc b/mysql-test/include/check_no_row_lock.inc new file mode 100644 index 00000000000..958161b9b7f --- /dev/null +++ b/mysql-test/include/check_no_row_lock.inc @@ -0,0 +1,71 @@ +# +# SUMMARY +# Check if statement affecting or reading table '$table' doesn't +# take any kind of locks on its rows. +# +# PARAMETERS +# $table Table for which presence of row locks should be checked. +# $con_aux Name of auxiliary connection to be used by this script. +# $statement Statement to be checked. +# +# EXAMPLE +# innodb_mysql_lock2.test +# +--disable_result_log +--disable_query_log + +connection default; +begin; +--eval select * from $table for update; + +connection $con_aux; +begin; +--send_eval $statement; + +--enable_result_log +--enable_query_log + +connection default; +# Wait until statement is successfully executed while +# all rows in table are X-locked. This means that it +# does not acquire any row locks. +# We use wait_condition.inc instead of simply executing +# statement here in order to avoid deadlocks if test +# fails and timing out instead. +let $wait_condition= + select count(*) = 0 from information_schema.processlist + where info = "$statement"; +--source include/wait_condition.inc + +--disable_result_log +--disable_query_log + +if ($success) +{ +# Apparently statement was successfully executed and thus it +# has not required any row locks. +# To be safe against wait_condition.inc succeeding due to +# races let us first reap the statement being checked to +# ensure that it has been successfully executed. +connection $con_aux; +--reap +rollback; +connection default; +rollback; +--echo Success: '$statement' doesn't take row locks on '$table'. +} +if (!$success) +{ +# Waiting has timed out. Apparently statement was blocked on +# some row lock. So to be able to continue we need to unlock +# rows first. +rollback; +connection $con_aux; +--reap +rollback; +connection default; +--echo Error: '$statement' takes some row locks on '$table'! +} + +--enable_result_log +--enable_query_log diff --git a/mysql-test/include/check_shared_row_lock.inc b/mysql-test/include/check_shared_row_lock.inc new file mode 100644 index 00000000000..efc7e13b3aa --- /dev/null +++ b/mysql-test/include/check_shared_row_lock.inc @@ -0,0 +1,61 @@ +# +# SUMMARY +# Check if statement reading table '$table' takes shared locks +# on some of its rows. +# +# PARAMETERS +# $table Table for which presence of row locks should be checked. +# $con_aux Name of auxiliary connection to be used by this script. +# $statement Statement to be checked. +# $wait_statement Sub-statement which is supposed to acquire locks (should +# be the same as $statement for ordinary statements). +# +# EXAMPLE +# innodb_mysql_lock2.test +# +--disable_result_log +--disable_query_log + +connection default; +begin; +--eval select * from $table for update; + +connection $con_aux; +begin; +--send_eval $statement; + +--enable_result_log +--enable_query_log + +connection default; +# Wait until statement is successfully blocked because +# all rows in table are X-locked. This means that at +# least it acquires S-locks on some of rows. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state in ("Sending data","statistics", "preparing") and + info = "$wait_statement"; +--source include/wait_condition.inc + +--disable_result_log +--disable_query_log + +rollback; + +connection $con_aux; +--reap +rollback; + +connection default; +--enable_result_log +--enable_query_log + +if ($success) +{ +--echo Success: '$statement' takes shared row locks on '$table'. +} + +if (!$success) +{ +--echo Error: '$statement' hasn't taken shared row locks on '$table'! +} diff --git a/mysql-test/r/bug39022.result b/mysql-test/r/bug39022.result index 5963709aa2a..75899ed686b 100644 --- a/mysql-test/r/bug39022.result +++ b/mysql-test/r/bug39022.result @@ -12,7 +12,7 @@ INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10), START TRANSACTION; # in thread2 REPLACE INTO t2 VALUES (-17); -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; d # in thread1 REPLACE INTO t1(a,b) VALUES (67,20); @@ -21,10 +21,10 @@ COMMIT; START TRANSACTION; REPLACE INTO t1(a,b) VALUES (65,-50); REPLACE INTO t2 VALUES (-91); -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; # in thread1 # should not crash -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; ERROR 40001: Deadlock found when trying to get lock; try restarting transaction # in thread2 d diff --git a/mysql-test/r/innodb_mysql_lock2.result b/mysql-test/r/innodb_mysql_lock2.result new file mode 100644 index 00000000000..aed704e6b3e --- /dev/null +++ b/mysql-test/r/innodb_mysql_lock2.result @@ -0,0 +1,564 @@ +# +# Test how do we handle locking in various cases when +# we read data from InnoDB tables. +# +# In fact by performing this test we check two things: +# 1) That SQL-layer correctly determine type of thr_lock.c +# lock to be acquired/passed to InnoDB engine. +# 2) That InnoDB engine correctly interprets this lock +# type and takes necessary row locks or does not +# take them if they are not necessary. +# +# This test makes sense only in REPEATABLE-READ mode as +# in SERIALIZABLE mode all statements that read data take +# shared lock on them to enforce its semantics. +select @@session.tx_isolation; +@@session.tx_isolation +REPEATABLE-READ +# Prepare playground by creating tables, views, +# routines and triggers used in tests. +drop table if exists t0, t1, t2, t3, t4, t5; +drop view if exists v1, v2; +drop procedure if exists p1; +drop procedure if exists p2; +drop function if exists f1; +drop function if exists f2; +drop function if exists f3; +drop function if exists f4; +drop function if exists f5; +drop function if exists f6; +drop function if exists f7; +drop function if exists f8; +drop function if exists f9; +drop function if exists f10; +drop function if exists f11; +drop function if exists f12; +drop function if exists f13; +drop function if exists f14; +drop function if exists f15; +create table t1 (i int primary key) engine=innodb; +insert into t1 values (1), (2), (3), (4), (5); +create table t2 (j int primary key) engine=innodb; +insert into t2 values (1), (2), (3), (4), (5); +create table t3 (k int primary key) engine=innodb; +insert into t3 values (1), (2), (3); +create table t4 (l int primary key) engine=innodb; +insert into t4 values (1); +create table t5 (l int primary key) engine=innodb; +insert into t5 values (1); +create view v1 as select i from t1; +create view v2 as select j from t2 where j in (select i from t1); +create procedure p1(k int) insert into t2 values (k); +create function f1() returns int +begin +declare j int; +select i from t1 where i = 1 into j; +return j; +end| +create function f2() returns int +begin +declare k int; +select i from t1 where i = 1 into k; +insert into t2 values (k + 5); +return 0; +end| +create function f3() returns int +begin +return (select i from t1 where i = 3); +end| +create function f4() returns int +begin +if (select i from t1 where i = 3) then +return 1; +else +return 0; +end if; +end| +create function f5() returns int +begin +insert into t2 values ((select i from t1 where i = 1) + 5); +return 0; +end| +create function f6() returns int +begin +declare k int; +select i from v1 where i = 1 into k; +return k; +end| +create function f7() returns int +begin +declare k int; +select j from v2 where j = 1 into k; +return k; +end| +create function f8() returns int +begin +declare k int; +select i from v1 where i = 1 into k; +insert into t2 values (k+5); +return k; +end| +create function f9() returns int +begin +update v2 set j=j+10 where j=1; +return 1; +end| +create function f10() returns int +begin +return f1(); +end| +create function f11() returns int +begin +declare k int; +set k= f1(); +insert into t2 values (k+5); +return k; +end| +create function f12(p int) returns int +begin +insert into t2 values (p); +return p; +end| +create function f13(p int) returns int +begin +return p; +end| +create procedure p2(inout p int) +begin +select i from t1 where i = 1 into p; +end| +create function f14() returns int +begin +declare k int; +call p2(k); +insert into t2 values (k+5); +return k; +end| +create function f15() returns int +begin +declare k int; +call p2(k); +return k; +end| +create trigger t4_bi before insert on t4 for each row +begin +declare k int; +select i from t1 where i=1 into k; +set new.l= k+1; +end| +create trigger t4_bu before update on t4 for each row +begin +if (select i from t1 where i=1) then +set new.l= 2; +end if; +end| +create trigger t4_bd before delete on t4 for each row +begin +if !(select i from v1 where i=1) then +signal sqlstate '45000'; +end if; +end| +create trigger t5_bi before insert on t5 for each row +begin +set new.l= f1()+1; +end| +create trigger t5_bu before update on t5 for each row +begin +declare j int; +call p2(j); +set new.l= j + 1; +end| +# +# Set common variables to be used by scripts called below. +# +# +# 1. Statements that read tables and do not use subqueries. +# +# +# 1.1 Simple SELECT statement. +# +# No locks are necessary as this statement won't be written +# to the binary log and thanks to how MyISAM works SELECT +# will see version of the table prior to concurrent insert. +Success: 'select * from t1' doesn't take row locks on 't1'. +# +# 1.2 Multi-UPDATE statement. +# +# Has to take shared locks on rows in the table being read as this +# statement will be written to the binary log and therefore should +# be serialized with concurrent statements. +Success: 'update t2, t1 set j= j - 1 where i = j' takes shared row locks on 't1'. +# +# 1.3 Multi-DELETE statement. +# +# The above is true for this statement as well. +Success: 'delete t2 from t1, t2 where i = j' takes shared row locks on 't1'. +# +# 1.4 DESCRIBE statement. +# +# This statement does not really read data from the +# target table and thus does not take any lock on it. +# We check this for completeness of coverage. +Success: 'describe t1' doesn't take row locks on 't1'. +# +# 1.5 SHOW statements. +# +# The above is true for SHOW statements as well. +Success: 'show create table t1' doesn't take row locks on 't1'. +Success: 'show keys from t1' doesn't take row locks on 't1'. +# +# 2. Statements which read tables through subqueries. +# +# +# 2.1 CALL with a subquery. +# +# A strong lock is not necessary as this statement is not +# written to the binary log as a whole (it is written +# statement-by-statement) and thanks to MVCC we can always get +# versions of rows prior to the update that has locked them. +# But in practice InnoDB does locking reads for all statements +# other than SELECT (unless it is a READ-COMITTED mode or +# innodb_locks_unsafe_for_binlog is ON). +Success: 'call p1((select i + 5 from t1 where i = 1))' takes shared row locks on 't1'. +# +# 2.2 CREATE TABLE with a subquery. +# +# Has to take shared locks on rows in the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent statements. +Success: 'create table t0 engine=innodb select * from t1' takes shared row locks on 't1'. +drop table t0; +Success: 'create table t0 engine=innodb select j from t2 where j in (select i from t1)' takes shared row locks on 't1'. +drop table t0; +# +# 2.3 DELETE with a subquery. +# +# The above is true for this statement as well. +Success: 'delete from t2 where j in (select i from t1)' takes shared row locks on 't1'. +# +# 2.4 MULTI-DELETE with a subquery. +# +# Same is true for this statement as well. +Success: 'delete t2 from t3, t2 where k = j and j in (select i from t1)' takes shared row locks on 't1'. +# +# 2.5 DO with a subquery. +# +# In theory should not take row locks as it is not logged. +# In practice InnoDB takes shared row locks. +Success: 'do (select i from t1 where i = 1)' takes shared row locks on 't1'. +# +# 2.6 INSERT with a subquery. +# +# Has to take shared locks on rows in the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent statements. +Success: 'insert into t2 select i+5 from t1' takes shared row locks on 't1'. +Success: 'insert into t2 values ((select i+5 from t1 where i = 4))' takes shared row locks on 't1'. +# +# 2.7 LOAD DATA with a subquery. +# +# The above is true for this statement as well. +Success: 'load data infile '../../std_data/rpl_loaddata.dat' into table t2 (@a, @b) set j= @b + (select i from t1 where i = 1)' takes shared row locks on 't1'. +# +# 2.8 REPLACE with a subquery. +# +# Same is true for this statement as well. +Success: 'replace into t2 select i+5 from t1' takes shared row locks on 't1'. +Success: 'replace into t2 values ((select i+5 from t1 where i = 4))' takes shared row locks on 't1'. +# +# 2.9 SELECT with a subquery. +# +# Locks are not necessary as this statement is not written +# to the binary log and thanks to MVCC we can always get +# versions of rows prior to the update that has locked them. +# +# Also serves as a test case for bug #46947 "Embedded SELECT +# without FOR UPDATE is causing a lock". +Success: 'select * from t2 where j in (select i from t1)' doesn't take row locks on 't1'. +# +# 2.10 SET with a subquery. +# +# In theory should not require locking as it is not written +# to the binary log. In practice InnoDB acquires shared row +# locks. +Success: 'set @a:= (select i from t1 where i = 1)' takes shared row locks on 't1'. +# +# 2.11 SHOW with a subquery. +# +# Similarly to the previous case, in theory should not require locking +# as it is not written to the binary log. In practice InnoDB +# acquires shared row locks. +Success: 'show tables from test where Tables_in_test = 't2' and (select i from t1 where i = 1)' takes shared row locks on 't1'. +Success: 'show columns from t2 where (select i from t1 where i = 1)' takes shared row locks on 't1'. +# +# 2.12 UPDATE with a subquery. +# +# Has to take shared locks on rows in the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent statements. +Success: 'update t2 set j= j-10 where j in (select i from t1)' takes shared row locks on 't1'. +# +# 2.13 MULTI-UPDATE with a subquery. +# +# Same is true for this statement as well. +Success: 'update t2, t3 set j= j -10 where j=k and j in (select i from t1)' takes shared row locks on 't1'. +# +# 3. Statements which read tables through a view. +# +# +# 3.1 SELECT statement which uses some table through a view. +# +# Since this statement is not written to the binary log +# and old version of rows are accessible thanks to MVCC, +# no locking is necessary. +Success: 'select * from v1' doesn't take row locks on 't1'. +Success: 'select * from v2' doesn't take row locks on 't1'. +Success: 'select * from t2 where j in (select i from v1)' doesn't take row locks on 't1'. +Success: 'select * from t3 where k in (select j from v2)' doesn't take row locks on 't1'. +# +# 3.2 Statements which modify a table and use views. +# +# Since such statements are going to be written to the binary +# log they need to be serialized against concurrent statements +# and therefore should take shared row locks on data read. +Success: 'update t2 set j= j-10 where j in (select i from v1)' takes shared row locks on 't1'. +Success: 'update t3 set k= k-10 where k in (select j from v2)' takes shared row locks on 't1'. +Success: 'update t2, v1 set j= j-10 where j = i' takes shared row locks on 't1'. +Success: 'update v2 set j= j-10 where j = 3' takes shared row locks on 't1'. +# +# 4. Statements which read tables through stored functions. +# +# +# 4.1 SELECT/SET with a stored function which does not +# modify data and uses SELECT in its turn. +# +# In theory there is no need to take row locks on the table +# being selected from in SF as the call to such function +# won't get into the binary log. In practice, however, we +# discover that fact too late in the process to be able to +# affect the decision what locks should be taken. +# Hence, strong locks are taken in this case. +Success: 'select f1()' takes shared row locks on 't1'. +Success: 'set @a:= f1()' takes shared row locks on 't1'. +# +# 4.2 INSERT (or other statement which modifies data) with +# a stored function which does not modify data and uses +# SELECT. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting the data +# it uses. Therefore it should take row locks on the data +# it reads. +Success: 'insert into t2 values (f1() + 5)' takes shared row locks on 't1'. +# +# 4.3 SELECT/SET with a stored function which +# reads and modifies data. +# +# Since a call to such function is written to the binary log, +# it should be serialized with concurrent statements affecting +# the data it uses. Hence, row locks on the data read +# should be taken. +Success: 'select f2()' takes shared row locks on 't1'. +Success: 'set @a:= f2()' takes shared row locks on 't1'. +# +# 4.4. SELECT/SET with a stored function which does not +# modify data and reads a table through subselect +# in a control construct. +# +# Again, in theory a call to this function won't get to the +# binary log and thus no locking is needed. But in practice +# we don't detect this fact early enough (get_lock_type_for_table()) +# to avoid taking row locks. +Success: 'select f3()' takes shared row locks on 't1'. +Success: 'set @a:= f3()' takes shared row locks on 't1'. +Success: 'select f4()' takes shared row locks on 't1'. +Success: 'set @a:= f4()' takes shared row locks on 't1'. +# +# 4.5. INSERT (or other statement which modifies data) with +# a stored function which does not modify data and reads +# the table through a subselect in one of its control +# constructs. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting data it +# uses. Therefore it should take row locks on the data +# it reads. +Success: 'insert into t2 values (f3() + 5)' takes shared row locks on 't1'. +Success: 'insert into t2 values (f4() + 6)' takes shared row locks on 't1'. +# +# 4.6 SELECT/SET which uses a stored function with +# DML which reads a table via a subquery. +# +# Since call to such function is written to the binary log +# it should be serialized with concurrent statements. +# Hence reads should take row locks. +Success: 'select f5()' takes shared row locks on 't1'. +Success: 'set @a:= f5()' takes shared row locks on 't1'. +# +# 4.7 SELECT/SET which uses a stored function which +# doesn't modify data and reads tables through +# a view. +# +# Once again, in theory, calls to such functions won't +# get into the binary log and thus don't need row +# locks. But in practice this fact is discovered +# too late to have any effect. +Success: 'select f6()' takes shared row locks on 't1'. +Success: 'set @a:= f6()' takes shared row locks on 't1'. +Success: 'select f7()' takes shared row locks on 't1'. +Success: 'set @a:= f7()' takes shared row locks on 't1'. +# +# 4.8 INSERT which uses stored function which +# doesn't modify data and reads a table +# through a view. +# +# Since such statement is written to the binary log and +# should be serialized with concurrent statements affecting +# the data it uses. Therefore it should take row locks on +# the rows it reads. +Success: 'insert into t3 values (f6() + 5)' takes shared row locks on 't1'. +Success: 'insert into t3 values (f7() + 5)' takes shared row locks on 't1'. +# +# 4.9 SELECT which uses a stored function which +# modifies data and reads tables through a view. +# +# Since a call to such function is written to the binary log +# it should be serialized with concurrent statements. +# Hence, reads should take row locks. +Success: 'select f8()' takes shared row locks on 't1'. +Success: 'select f9()' takes shared row locks on 't1'. +# +# 4.10 SELECT which uses stored function which doesn't modify +# data and reads a table indirectly, by calling another +# function. +# +# In theory, calls to such functions won't get into the binary +# log and thus don't need to acquire row locks. But in practice +# this fact is discovered too late to have any effect. +Success: 'select f10()' takes shared row locks on 't1'. +# +# 4.11 INSERT which uses a stored function which doesn't modify +# data and reads a table indirectly, by calling another +# function. +# +# Since such statement is written to the binary log, it should +# be serialized with concurrent statements affecting the data it +# uses. Therefore it should take row locks on data it reads. +Success: 'insert into t2 values (f10() + 5)' takes shared row locks on 't1'. +# +# 4.12 SELECT which uses a stored function which modifies +# data and reads a table indirectly, by calling another +# function. +# +# Since a call to such function is written to the binary log +# it should be serialized from concurrent statements. +# Hence, reads should take row locks. +Success: 'select f11()' takes shared row locks on 't1'. +# +# 4.13 SELECT that reads a table through a subquery passed +# as a parameter to a stored function which modifies +# data. +# +# Even though a call to this function is written to the +# binary log, values of its parameters are written as literals. +# So there is no need to acquire row locks on rows used in +# the subquery. +Success: 'select f12((select i+10 from t1 where i=1))' doesn't take row locks on 't1'. +# +# 4.14 INSERT that reads a table via a subquery passed +# as a parameter to a stored function which doesn't +# modify data. +# +# Since this statement is written to the binary log it should +# be serialized with concurrent statements affecting the data it +# uses. Therefore it should take row locks on the data it reads. +Success: 'insert into t2 values (f13((select i+10 from t1 where i=1)))' takes shared row locks on 't1'. +# +# 5. Statements that read tables through stored procedures. +# +# +# 5.1 CALL statement which reads a table via SELECT. +# +# Since neither this statement nor its components are +# written to the binary log, there is no need to take +# row locks on the data it reads. +Success: 'call p2(@a)' doesn't take row locks on 't1'. +# +# 5.2 Function that modifes data and uses CALL, +# which reads a table through SELECT. +# +# Since a call to such function is written to the binary +# log, it should be serialized with concurrent statements. +# Hence, in this case reads should take row locks on data. +Success: 'select f14()' takes shared row locks on 't1'. +# +# 5.3 SELECT that calls a function that doesn't modify data and +# uses a CALL statement that reads a table via SELECT. +# +# In theory, calls to such functions won't get into the binary +# log and thus don't need to acquire row locks. But in practice +# this fact is discovered too late to have any effect. +Success: 'select f15()' takes shared row locks on 't1'. +# +# 5.4 INSERT which calls function which doesn't modify data and +# uses CALL statement which reads table through SELECT. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting data it +# uses. Therefore it should take row locks on data it reads. +Success: 'insert into t2 values (f15()+5)' takes shared row locks on 't1'. +# +# 6. Statements that use triggers. +# +# +# 6.1 Statement invoking a trigger that reads table via SELECT. +# +# Since this statement is written to the binary log it should +# be serialized with concurrent statements affecting the data +# it uses. Therefore, it should take row locks on the data +# it reads. +Success: 'insert into t4 values (2)' takes shared row locks on 't1'. +# +# 6.2 Statement invoking a trigger that reads table through +# a subquery in a control construct. +# +# The above is true for this statement as well. +Success: 'update t4 set l= 2 where l = 1' takes shared row locks on 't1'. +# +# 6.3 Statement invoking a trigger that reads a table through +# a view. +# +# And for this statement. +Success: 'delete from t4 where l = 1' takes shared row locks on 't1'. +# +# 6.4 Statement invoking a trigger that reads a table through +# a stored function. +# +# And for this statement. +Success: 'insert into t5 values (2)' takes shared row locks on 't1'. +# +# 6.5 Statement invoking a trigger that reads a table through +# stored procedure. +# +# And for this statement. +Success: 'update t5 set l= 2 where l = 1' takes shared row locks on 't1'. +# Clean-up. +drop function f1; +drop function f2; +drop function f3; +drop function f4; +drop function f5; +drop function f6; +drop function f7; +drop function f8; +drop function f9; +drop function f10; +drop function f11; +drop function f12; +drop function f13; +drop function f14; +drop function f15; +drop view v1, v2; +drop procedure p1; +drop procedure p2; +drop table t1, t2, t3, t4, t5; diff --git a/mysql-test/r/lock_sync.result b/mysql-test/r/lock_sync.result index 18f3f6bc1a7..299b5546716 100644 --- a/mysql-test/r/lock_sync.result +++ b/mysql-test/r/lock_sync.result @@ -1,4 +1,596 @@ # +# Test how we handle locking in various cases when +# we read data from MyISAM tables. +# +# In this test we mostly check that the SQL-layer correctly +# determines the type of thr_lock.c lock for a table being +# read. +# I.e. that it disallows concurrent inserts when the statement +# is going to be written to the binary log and therefore +# should be serialized, and allows concurrent inserts when +# such serialization is not necessary (e.g. when +# the statement is not written to binary log). +# +# Force concurrent inserts to be performed even if the table +# has gaps. This allows to simplify clean up in scripts +# used below (instead of backing up table being inserted +# into and then restoring it from backup at the end of the +# script we can simply delete rows which were inserted). +set @old_concurrent_insert= @@global.concurrent_insert; +set @@global.concurrent_insert= 2; +select @@global.concurrent_insert; +@@global.concurrent_insert +ALWAYS +# Prepare playground by creating tables, views, +# routines and triggers used in tests. +drop table if exists t0, t1, t2, t3, t4, t5; +drop view if exists v1, v2; +drop procedure if exists p1; +drop procedure if exists p2; +drop function if exists f1; +drop function if exists f2; +drop function if exists f3; +drop function if exists f4; +drop function if exists f5; +drop function if exists f6; +drop function if exists f7; +drop function if exists f8; +drop function if exists f9; +drop function if exists f10; +drop function if exists f11; +drop function if exists f12; +drop function if exists f13; +drop function if exists f14; +drop function if exists f15; +create table t1 (i int primary key); +insert into t1 values (1), (2), (3), (4), (5); +create table t2 (j int primary key); +insert into t2 values (1), (2), (3), (4), (5); +create table t3 (k int primary key); +insert into t3 values (1), (2), (3); +create table t4 (l int primary key); +insert into t4 values (1); +create table t5 (l int primary key); +insert into t5 values (1); +create view v1 as select i from t1; +create view v2 as select j from t2 where j in (select i from t1); +create procedure p1(k int) insert into t2 values (k); +create function f1() returns int +begin +declare j int; +select i from t1 where i = 1 into j; +return j; +end| +create function f2() returns int +begin +declare k int; +select i from t1 where i = 1 into k; +insert into t2 values (k + 5); +return 0; +end| +create function f3() returns int +begin +return (select i from t1 where i = 3); +end| +create function f4() returns int +begin +if (select i from t1 where i = 3) then +return 1; +else +return 0; +end if; +end| +create function f5() returns int +begin +insert into t2 values ((select i from t1 where i = 1) + 5); +return 0; +end| +create function f6() returns int +begin +declare k int; +select i from v1 where i = 1 into k; +return k; +end| +create function f7() returns int +begin +declare k int; +select j from v2 where j = 1 into k; +return k; +end| +create function f8() returns int +begin +declare k int; +select i from v1 where i = 1 into k; +insert into t2 values (k+5); +return k; +end| +create function f9() returns int +begin +update v2 set j=j+10 where j=1; +return 1; +end| +create function f10() returns int +begin +return f1(); +end| +create function f11() returns int +begin +declare k int; +set k= f1(); +insert into t2 values (k+5); +return k; +end| +create function f12(p int) returns int +begin +insert into t2 values (p); +return p; +end| +create function f13(p int) returns int +begin +return p; +end| +create procedure p2(inout p int) +begin +select i from t1 where i = 1 into p; +end| +create function f14() returns int +begin +declare k int; +call p2(k); +insert into t2 values (k+5); +return k; +end| +create function f15() returns int +begin +declare k int; +call p2(k); +return k; +end| +create trigger t4_bi before insert on t4 for each row +begin +declare k int; +select i from t1 where i=1 into k; +set new.l= k+1; +end| +create trigger t4_bu before update on t4 for each row +begin +if (select i from t1 where i=1) then +set new.l= 2; +end if; +end| +create trigger t4_bd before delete on t4 for each row +begin +if !(select i from v1 where i=1) then +signal sqlstate '45000'; +end if; +end| +create trigger t5_bi before insert on t5 for each row +begin +set new.l= f1()+1; +end| +create trigger t5_bu before update on t5 for each row +begin +declare j int; +call p2(j); +set new.l= j + 1; +end| +# +# Set common variables to be used by the scripts +# called below. +# +# Switch to connection 'con1'. +# Cache all functions used in the tests below so statements +# calling them won't need to open and lock mysql.proc table +# and we can assume that each statement locks its tables +# once during its execution. +show create procedure p1; +show create procedure p2; +show create function f1; +show create function f2; +show create function f3; +show create function f4; +show create function f5; +show create function f6; +show create function f7; +show create function f8; +show create function f9; +show create function f10; +show create function f11; +show create function f12; +show create function f13; +show create function f14; +show create function f15; +# Switch back to connection 'default'. +# +# 1. Statements that read tables and do not use subqueries. +# +# +# 1.1 Simple SELECT statement. +# +# No locks are necessary as this statement won't be written +# to the binary log and thanks to how MyISAM works SELECT +# will see version of the table prior to concurrent insert. +Success: 'select * from t1' allows concurrent inserts into 't1'. +# +# 1.2 Multi-UPDATE statement. +# +# Has to take shared locks on rows in the table being read as this +# statement will be written to the binary log and therefore should +# be serialized with concurrent statements. +Success: 'update t2, t1 set j= j - 1 where i = j' doesn't allow concurrent inserts into 't1'. +# +# 1.3 Multi-DELETE statement. +# +# The above is true for this statement as well. +Success: 'delete t2 from t1, t2 where i = j' doesn't allow concurrent inserts into 't1'. +# +# 1.4 DESCRIBE statement. +# +# This statement does not really read data from the +# target table and thus does not take any lock on it. +# We check this for completeness of coverage. +lock table t1 write; +# Switching to connection 'con1'. +# This statement should not be blocked. +describe t1; +# Switching to connection 'default'. +unlock tables; +# +# 1.5 SHOW statements. +# +# The above is true for SHOW statements as well. +lock table t1 write; +# Switching to connection 'con1'. +# These statements should not be blocked. +show keys from t1; +# Switching to connection 'default'. +unlock tables; +# +# 2. Statements which read tables through subqueries. +# +# +# 2.1 CALL with a subquery. +# +# A strong lock is not necessary as this statement is not +# written to the binary log as a whole (it is written +# statement-by-statement). +Success: 'call p1((select i + 5 from t1 where i = 1))' allows concurrent inserts into 't1'. +# +# 2.2 CREATE TABLE with a subquery. +# +# Has to take a strong lock on the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent statements. +Success: 'create table t0 select * from t1' doesn't allow concurrent inserts into 't1'. +drop table t0; +Success: 'create table t0 select j from t2 where j in (select i from t1)' doesn't allow concurrent inserts into 't1'. +drop table t0; +# +# 2.3 DELETE with a subquery. +# +# The above is true for this statement as well. +Success: 'delete from t2 where j in (select i from t1)' doesn't allow concurrent inserts into 't1'. +# +# 2.4 MULTI-DELETE with a subquery. +# +# Same is true for this statement as well. +Success: 'delete t2 from t3, t2 where k = j and j in (select i from t1)' doesn't allow concurrent inserts into 't1'. +# +# 2.5 DO with a subquery. +# +# A strong lock is not necessary as it is not logged. +Success: 'do (select i from t1 where i = 1)' allows concurrent inserts into 't1'. +# +# 2.6 INSERT with a subquery. +# +# Has to take a strong lock on the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent inserts. +Success: 'insert into t2 select i+5 from t1' doesn't allow concurrent inserts into 't1'. +Success: 'insert into t2 values ((select i+5 from t1 where i = 4))' doesn't allow concurrent inserts into 't1'. +# +# 2.7 LOAD DATA with a subquery. +# +# The above is true for this statement as well. +Success: 'load data infile '../../std_data/rpl_loaddata.dat' into table t2 (@a, @b) set j= @b + (select i from t1 where i = 1)' doesn't allow concurrent inserts into 't1'. +# +# 2.8 REPLACE with a subquery. +# +# Same is true for this statement as well. +Success: 'replace into t2 select i+5 from t1' doesn't allow concurrent inserts into 't1'. +Success: 'replace into t2 values ((select i+5 from t1 where i = 4))' doesn't allow concurrent inserts into 't1'. +# +# 2.9 SELECT with a subquery. +# +# Strong locks are not necessary as this statement is not written +# to the binary log and thanks to how MyISAM works this statement +# sees a version of the table prior to the concurrent insert. +Success: 'select * from t2 where j in (select i from t1)' allows concurrent inserts into 't1'. +# +# 2.10 SET with a subquery. +# +# The same is true for this statement as well. +Success: 'set @a:= (select i from t1 where i = 1)' allows concurrent inserts into 't1'. +# +# 2.11 SHOW with a subquery. +# +# And for this statement too. +Success: 'show tables from test where Tables_in_test = 't2' and (select i from t1 where i = 1)' allows concurrent inserts into 't1'. +Success: 'show columns from t2 where (select i from t1 where i = 1)' allows concurrent inserts into 't1'. +# +# 2.12 UPDATE with a subquery. +# +# Has to take a strong lock on the table being read as +# this statement is written to the binary log and therefore +# should be serialized with concurrent inserts. +Success: 'update t2 set j= j-10 where j in (select i from t1)' doesn't allow concurrent inserts into 't1'. +# +# 2.13 MULTI-UPDATE with a subquery. +# +# Same is true for this statement as well. +Success: 'update t2, t3 set j= j -10 where j=k and j in (select i from t1)' doesn't allow concurrent inserts into 't1'. +# +# 3. Statements which read tables through a view. +# +# +# 3.1 SELECT statement which uses some table through a view. +# +# Since this statement is not written to the binary log and +# an old version of the table is accessible thanks to how MyISAM +# handles concurrent insert, no locking is necessary. +Success: 'select * from v1' allows concurrent inserts into 't1'. +Success: 'select * from v2' allows concurrent inserts into 't1'. +Success: 'select * from t2 where j in (select i from v1)' allows concurrent inserts into 't1'. +Success: 'select * from t3 where k in (select j from v2)' allows concurrent inserts into 't1'. +# +# 3.2 Statements which modify a table and use views. +# +# Since such statements are going to be written to the binary +# log they need to be serialized against concurrent statements +# and therefore should take strong locks on the data read. +Success: 'update t2 set j= j-10 where j in (select i from v1)' doesn't allow concurrent inserts into 't1'. +Success: 'update t3 set k= k-10 where k in (select j from v2)' doesn't allow concurrent inserts into 't1'. +Success: 'update t2, v1 set j= j-10 where j = i' doesn't allow concurrent inserts into 't1'. +Success: 'update v2 set j= j-10 where j = 3' doesn't allow concurrent inserts into 't1'. +# +# 4. Statements which read tables through stored functions. +# +# +# 4.1 SELECT/SET with a stored function which does not +# modify data and uses SELECT in its turn. +# +# In theory there is no need to take strong locks on the table +# being selected from in SF as the call to such function +# won't get into the binary log. In practice, however, we +# discover that fact too late in the process to be able to +# affect the decision what locks should be taken. +# Hence, strong locks are taken in this case. +Success: 'select f1()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f1()' doesn't allow concurrent inserts into 't1'. +# +# 4.2 INSERT (or other statement which modifies data) with +# a stored function which does not modify data and uses +# SELECT. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting the data +# it uses. Therefore it should take strong lock on the data +# it reads. +Success: 'insert into t2 values (f1() + 5)' doesn't allow concurrent inserts into 't1'. +# +# 4.3 SELECT/SET with a stored function which +# reads and modifies data. +# +# Since a call to such function is written to the binary log, +# it should be serialized with concurrent statements affecting +# the data it uses. Hence, a strong lock on the data read +# should be taken. +Success: 'select f2()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f2()' doesn't allow concurrent inserts into 't1'. +# +# 4.4. SELECT/SET with a stored function which does not +# modify data and reads a table through subselect +# in a control construct. +# +# Again, in theory a call to this function won't get to the +# binary log and thus no strong lock is needed. But in practice +# we don't detect this fact early enough (get_lock_type_for_table()) +# to avoid taking a strong lock. +Success: 'select f3()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f3()' doesn't allow concurrent inserts into 't1'. +Success: 'select f4()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f4()' doesn't allow concurrent inserts into 't1'. +# +# 4.5. INSERT (or other statement which modifies data) with +# a stored function which does not modify data and reads +# the table through a subselect in one of its control +# constructs. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting data it +# uses. Therefore it should take a strong lock on the data +# it reads. +Success: 'insert into t2 values (f3() + 5)' doesn't allow concurrent inserts into 't1'. +Success: 'insert into t2 values (f4() + 6)' doesn't allow concurrent inserts into 't1'. +# +# 4.6 SELECT/SET which uses a stored function with +# DML which reads a table via a subquery. +# +# Since call to such function is written to the binary log +# it should be serialized with concurrent statements. +# Hence reads should take a strong lock. +Success: 'select f5()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f5()' doesn't allow concurrent inserts into 't1'. +# +# 4.7 SELECT/SET which uses a stored function which +# doesn't modify data and reads tables through +# a view. +# +# Once again, in theory, calls to such functions won't +# get into the binary log and thus don't need strong +# locks. But in practice this fact is discovered +# too late to have any effect. +Success: 'select f6()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f6()' doesn't allow concurrent inserts into 't1'. +Success: 'select f7()' doesn't allow concurrent inserts into 't1'. +Success: 'set @a:= f7()' doesn't allow concurrent inserts into 't1'. +# +# 4.8 INSERT which uses stored function which +# doesn't modify data and reads a table +# through a view. +# +# Since such statement is written to the binary log and +# should be serialized with concurrent statements affecting +# the data it uses. Therefore it should take a strong lock on +# the table it reads. +Success: 'insert into t3 values (f6() + 5)' doesn't allow concurrent inserts into 't1'. +Success: 'insert into t3 values (f7() + 5)' doesn't allow concurrent inserts into 't1'. +# +# 4.9 SELECT which uses a stored function which +# modifies data and reads tables through a view. +# +# Since a call to such function is written to the binary log +# it should be serialized with concurrent statements. +# Hence, reads should take strong locks. +Success: 'select f8()' doesn't allow concurrent inserts into 't1'. +Success: 'select f9()' doesn't allow concurrent inserts into 't1'. +# +# 4.10 SELECT which uses a stored function which doesn't modify +# data and reads a table indirectly, by calling another +# function. +# +# In theory, calls to such functions won't get into the binary +# log and thus don't need to acquire strong locks. But in practice +# this fact is discovered too late to have any effect. +Success: 'select f10()' doesn't allow concurrent inserts into 't1'. +# +# 4.11 INSERT which uses a stored function which doesn't modify +# data and reads a table indirectly, by calling another +# function. +# +# Since such statement is written to the binary log, it should +# be serialized with concurrent statements affecting the data it +# uses. Therefore it should take strong locks on data it reads. +Success: 'insert into t2 values (f10() + 5)' doesn't allow concurrent inserts into 't1'. +# +# 4.12 SELECT which uses a stored function which modifies +# data and reads a table indirectly, by calling another +# function. +# +# Since a call to such function is written to the binary log +# it should be serialized from concurrent statements. +# Hence, read should take a strong lock. +Success: 'select f11()' doesn't allow concurrent inserts into 't1'. +# +# 4.13 SELECT that reads a table through a subquery passed +# as a parameter to a stored function which modifies +# data. +# +# Even though a call to this function is written to the +# binary log, values of its parameters are written as literals. +# So there is no need to acquire strong locks for tables used in +# the subquery. +Success: 'select f12((select i+10 from t1 where i=1))' allows concurrent inserts into 't1'. +# +# 4.14 INSERT that reads a table via a subquery passed +# as a parameter to a stored function which doesn't +# modify data. +# +# Since this statement is written to the binary log it should +# be serialized with concurrent statements affecting the data it +# uses. Therefore it should take strong locks on the data it reads. +Success: 'insert into t2 values (f13((select i+10 from t1 where i=1)))' doesn't allow concurrent inserts into 't1'. +# +# 5. Statements that read tables through stored procedures. +# +# +# 5.1 CALL statement which reads a table via SELECT. +# +# Since neither this statement nor its components are +# written to the binary log, there is no need to take +# strong locks on the data read it reads. +Success: 'call p2(@a)' allows concurrent inserts into 't1'. +# +# 5.2 Function that modifes data and uses CALL, +# which reads a table through SELECT. +# +# Since a call to such function is written to the binary +# log, it should be serialized with concurrent statements. +# Hence, in this case reads should take strong locks on data. +Success: 'select f14()' doesn't allow concurrent inserts into 't1'. +# +# 5.3 SELECT that calls a function that doesn't modify data and +# uses a CALL statement that reads a table via SELECT. +# +# In theory, calls to such functions won't get into the binary +# log and thus don't need to acquire strong locks. But in practice +# this fact is discovered too late to have any effect. +Success: 'select f15()' doesn't allow concurrent inserts into 't1'. +# +# 5.4 INSERT which calls function which doesn't modify data and +# uses CALL statement which reads table through SELECT. +# +# Since such statement is written to the binary log it should +# be serialized with concurrent statements affecting data it +# uses. Therefore it should take strong locks on data it reads. +Success: 'insert into t2 values (f15()+5)' doesn't allow concurrent inserts into 't1'. +# +# 6. Statements that use triggers. +# +# +# 6.1 Statement invoking a trigger that reads table via SELECT. +# +# Since this statement is written to the binary log it should +# be serialized with concurrent statements affecting the data +# it uses. Therefore, it should take strong locks on the data +# it reads. +Success: 'insert into t4 values (2)' doesn't allow concurrent inserts into 't1'. +# +# 6.2 Statement invoking a trigger that reads table through +# a subquery in a control construct. +# +# The above is true for this statement as well. +Success: 'update t4 set l= 2 where l = 1' doesn't allow concurrent inserts into 't1'. +# +# 6.3 Statement invoking a trigger that reads a table through +# a view. +# +# And for this statement. +Success: 'delete from t4 where l = 1' doesn't allow concurrent inserts into 't1'. +# +# 6.4 Statement invoking a trigger that reads a table through +# a stored function. +# +# And for this statement. +Success: 'insert into t5 values (2)' doesn't allow concurrent inserts into 't1'. +# +# 6.5 Statement invoking a trigger that reads a table through +# stored procedure. +# +# And for this statement. +Success: 'update t5 set l= 2 where l = 1' doesn't allow concurrent inserts into 't1'. +# Clean-up. +drop function f1; +drop function f2; +drop function f3; +drop function f4; +drop function f5; +drop function f6; +drop function f7; +drop function f8; +drop function f9; +drop function f10; +drop function f11; +drop function f12; +drop function f13; +drop function f14; +drop function f15; +drop view v1, v2; +drop procedure p1; +drop procedure p2; +drop table t1, t2, t3, t4, t5; +set @@global.concurrent_insert= @old_concurrent_insert; +# # Test for bug #45143 "All connections hang on concurrent ALTER TABLE". # # Concurrent execution of statements which required weak write lock diff --git a/mysql-test/t/bug39022.test b/mysql-test/t/bug39022.test index 268b207e0e5..6056dbf0e7b 100644 --- a/mysql-test/t/bug39022.test +++ b/mysql-test/t/bug39022.test @@ -24,7 +24,7 @@ START TRANSACTION; connection thread2; --echo # in thread2 REPLACE INTO t2 VALUES (-17); -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; connection thread1; --echo # in thread1 @@ -37,14 +37,14 @@ START TRANSACTION; REPLACE INTO t1(a,b) VALUES (65,-50); REPLACE INTO t2 VALUES (-91); send; -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); #waits +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; #waits connection thread1; --echo # in thread1 --echo # should not crash --error ER_LOCK_DEADLOCK -SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); #crashes +SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d) LOCK IN SHARE MODE; #crashes connection thread2; --echo # in thread2 diff --git a/mysql-test/t/innodb_mysql_lock2.test b/mysql-test/t/innodb_mysql_lock2.test new file mode 100644 index 00000000000..5111d56225a --- /dev/null +++ b/mysql-test/t/innodb_mysql_lock2.test @@ -0,0 +1,765 @@ +# This test covers behavior for InnoDB tables. +--source include/have_innodb.inc +# This test requires statement/mixed mode binary logging. +# Row-based mode puts weaker serializability requirements +# so weaker locks are acquired for it. +--source include/have_binlog_format_mixed_or_statement.inc +# Save the initial number of concurrent sessions. +--source include/count_sessions.inc + +--echo # +--echo # Test how do we handle locking in various cases when +--echo # we read data from InnoDB tables. +--echo # +--echo # In fact by performing this test we check two things: +--echo # 1) That SQL-layer correctly determine type of thr_lock.c +--echo # lock to be acquired/passed to InnoDB engine. +--echo # 2) That InnoDB engine correctly interprets this lock +--echo # type and takes necessary row locks or does not +--echo # take them if they are not necessary. +--echo # + +--echo # This test makes sense only in REPEATABLE-READ mode as +--echo # in SERIALIZABLE mode all statements that read data take +--echo # shared lock on them to enforce its semantics. +select @@session.tx_isolation; + +--echo # Prepare playground by creating tables, views, +--echo # routines and triggers used in tests. +connect (con1, localhost, root,,); +connection default; +--disable_warnings +drop table if exists t0, t1, t2, t3, t4, t5; +drop view if exists v1, v2; +drop procedure if exists p1; +drop procedure if exists p2; +drop function if exists f1; +drop function if exists f2; +drop function if exists f3; +drop function if exists f4; +drop function if exists f5; +drop function if exists f6; +drop function if exists f7; +drop function if exists f8; +drop function if exists f9; +drop function if exists f10; +drop function if exists f11; +drop function if exists f12; +drop function if exists f13; +drop function if exists f14; +drop function if exists f15; +--enable_warnings +create table t1 (i int primary key) engine=innodb; +insert into t1 values (1), (2), (3), (4), (5); +create table t2 (j int primary key) engine=innodb; +insert into t2 values (1), (2), (3), (4), (5); +create table t3 (k int primary key) engine=innodb; +insert into t3 values (1), (2), (3); +create table t4 (l int primary key) engine=innodb; +insert into t4 values (1); +create table t5 (l int primary key) engine=innodb; +insert into t5 values (1); +create view v1 as select i from t1; +create view v2 as select j from t2 where j in (select i from t1); +create procedure p1(k int) insert into t2 values (k); +delimiter |; +create function f1() returns int +begin + declare j int; + select i from t1 where i = 1 into j; + return j; +end| +create function f2() returns int +begin + declare k int; + select i from t1 where i = 1 into k; + insert into t2 values (k + 5); + return 0; +end| +create function f3() returns int +begin + return (select i from t1 where i = 3); +end| +create function f4() returns int +begin + if (select i from t1 where i = 3) then + return 1; + else + return 0; + end if; +end| +create function f5() returns int +begin + insert into t2 values ((select i from t1 where i = 1) + 5); + return 0; +end| +create function f6() returns int +begin + declare k int; + select i from v1 where i = 1 into k; + return k; +end| +create function f7() returns int +begin + declare k int; + select j from v2 where j = 1 into k; + return k; +end| +create function f8() returns int +begin + declare k int; + select i from v1 where i = 1 into k; + insert into t2 values (k+5); + return k; +end| +create function f9() returns int +begin + update v2 set j=j+10 where j=1; + return 1; +end| +create function f10() returns int +begin + return f1(); +end| +create function f11() returns int +begin + declare k int; + set k= f1(); + insert into t2 values (k+5); + return k; +end| +create function f12(p int) returns int +begin + insert into t2 values (p); + return p; +end| +create function f13(p int) returns int +begin + return p; +end| +create procedure p2(inout p int) +begin + select i from t1 where i = 1 into p; +end| +create function f14() returns int +begin + declare k int; + call p2(k); + insert into t2 values (k+5); + return k; +end| +create function f15() returns int +begin + declare k int; + call p2(k); + return k; +end| +create trigger t4_bi before insert on t4 for each row +begin + declare k int; + select i from t1 where i=1 into k; + set new.l= k+1; +end| +create trigger t4_bu before update on t4 for each row +begin + if (select i from t1 where i=1) then + set new.l= 2; + end if; +end| +create trigger t4_bd before delete on t4 for each row +begin + if !(select i from v1 where i=1) then + signal sqlstate '45000'; + end if; +end| +create trigger t5_bi before insert on t5 for each row +begin + set new.l= f1()+1; +end| +create trigger t5_bu before update on t5 for each row +begin + declare j int; + call p2(j); + set new.l= j + 1; +end| +delimiter ;| + +--echo # +--echo # Set common variables to be used by scripts called below. +--echo # +let $con_aux= con1; +let $table= t1; + + +--echo # +--echo # 1. Statements that read tables and do not use subqueries. +--echo # + +--echo # +--echo # 1.1 Simple SELECT statement. +--echo # +--echo # No locks are necessary as this statement won't be written +--echo # to the binary log and thanks to how MyISAM works SELECT +--echo # will see version of the table prior to concurrent insert. +let $statement= select * from t1; +--source include/check_no_row_lock.inc + +--echo # +--echo # 1.2 Multi-UPDATE statement. +--echo # +--echo # Has to take shared locks on rows in the table being read as this +--echo # statement will be written to the binary log and therefore should +--echo # be serialized with concurrent statements. +let $statement= update t2, t1 set j= j - 1 where i = j; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 1.3 Multi-DELETE statement. +--echo # +--echo # The above is true for this statement as well. +let $statement= delete t2 from t1, t2 where i = j; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 1.4 DESCRIBE statement. +--echo # +--echo # This statement does not really read data from the +--echo # target table and thus does not take any lock on it. +--echo # We check this for completeness of coverage. +let $statement= describe t1; +--source include/check_no_row_lock.inc + +--echo # +--echo # 1.5 SHOW statements. +--echo # +--echo # The above is true for SHOW statements as well. +let $statement= show create table t1; +--source include/check_no_row_lock.inc +let $statement= show keys from t1; +--source include/check_no_row_lock.inc + + +--echo # +--echo # 2. Statements which read tables through subqueries. +--echo # + +--echo # +--echo # 2.1 CALL with a subquery. +--echo # +--echo # A strong lock is not necessary as this statement is not +--echo # written to the binary log as a whole (it is written +--echo # statement-by-statement) and thanks to MVCC we can always get +--echo # versions of rows prior to the update that has locked them. +--echo # But in practice InnoDB does locking reads for all statements +--echo # other than SELECT (unless it is a READ-COMITTED mode or +--echo # innodb_locks_unsafe_for_binlog is ON). +let $statement= call p1((select i + 5 from t1 where i = 1)); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.2 CREATE TABLE with a subquery. +--echo # +--echo # Has to take shared locks on rows in the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent statements. +let $statement= create table t0 engine=innodb select * from t1; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +drop table t0; +let $statement= create table t0 engine=innodb select j from t2 where j in (select i from t1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +drop table t0; + +--echo # +--echo # 2.3 DELETE with a subquery. +--echo # +--echo # The above is true for this statement as well. +let $statement= delete from t2 where j in (select i from t1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.4 MULTI-DELETE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= delete t2 from t3, t2 where k = j and j in (select i from t1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.5 DO with a subquery. +--echo # +--echo # In theory should not take row locks as it is not logged. +--echo # In practice InnoDB takes shared row locks. +let $statement= do (select i from t1 where i = 1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.6 INSERT with a subquery. +--echo # +--echo # Has to take shared locks on rows in the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent statements. +let $statement= insert into t2 select i+5 from t1; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= insert into t2 values ((select i+5 from t1 where i = 4)); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.7 LOAD DATA with a subquery. +--echo # +--echo # The above is true for this statement as well. +let $statement= load data infile '../../std_data/rpl_loaddata.dat' into table t2 (@a, @b) set j= @b + (select i from t1 where i = 1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.8 REPLACE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= replace into t2 select i+5 from t1; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= replace into t2 values ((select i+5 from t1 where i = 4)); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.9 SELECT with a subquery. +--echo # +--echo # Locks are not necessary as this statement is not written +--echo # to the binary log and thanks to MVCC we can always get +--echo # versions of rows prior to the update that has locked them. +--echo # +--echo # Also serves as a test case for bug #46947 "Embedded SELECT +--echo # without FOR UPDATE is causing a lock". +let $statement= select * from t2 where j in (select i from t1); +--source include/check_no_row_lock.inc + +--echo # +--echo # 2.10 SET with a subquery. +--echo # +--echo # In theory should not require locking as it is not written +--echo # to the binary log. In practice InnoDB acquires shared row +--echo # locks. +let $statement= set @a:= (select i from t1 where i = 1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.11 SHOW with a subquery. +--echo # +--echo # Similarly to the previous case, in theory should not require locking +--echo # as it is not written to the binary log. In practice InnoDB +--echo # acquires shared row locks. +let $statement= show tables from test where Tables_in_test = 't2' and (select i from t1 where i = 1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= show columns from t2 where (select i from t1 where i = 1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.12 UPDATE with a subquery. +--echo # +--echo # Has to take shared locks on rows in the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent statements. +let $statement= update t2 set j= j-10 where j in (select i from t1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 2.13 MULTI-UPDATE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= update t2, t3 set j= j -10 where j=k and j in (select i from t1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + + +--echo # +--echo # 3. Statements which read tables through a view. +--echo # + +--echo # +--echo # 3.1 SELECT statement which uses some table through a view. +--echo # +--echo # Since this statement is not written to the binary log +--echo # and old version of rows are accessible thanks to MVCC, +--echo # no locking is necessary. +let $statement= select * from v1; +--source include/check_no_row_lock.inc +let $statement= select * from v2; +--source include/check_no_row_lock.inc +let $statement= select * from t2 where j in (select i from v1); +--source include/check_no_row_lock.inc +let $statement= select * from t3 where k in (select j from v2); +--source include/check_no_row_lock.inc + +--echo # +--echo # 3.2 Statements which modify a table and use views. +--echo # +--echo # Since such statements are going to be written to the binary +--echo # log they need to be serialized against concurrent statements +--echo # and therefore should take shared row locks on data read. +let $statement= update t2 set j= j-10 where j in (select i from v1); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= update t3 set k= k-10 where k in (select j from v2); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= update t2, v1 set j= j-10 where j = i; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= update v2 set j= j-10 where j = 3; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + + +--echo # +--echo # 4. Statements which read tables through stored functions. +--echo # + +--echo # +--echo # 4.1 SELECT/SET with a stored function which does not +--echo # modify data and uses SELECT in its turn. +--echo # +--echo # In theory there is no need to take row locks on the table +--echo # being selected from in SF as the call to such function +--echo # won't get into the binary log. In practice, however, we +--echo # discover that fact too late in the process to be able to +--echo # affect the decision what locks should be taken. +--echo # Hence, strong locks are taken in this case. +let $statement= select f1(); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f1(); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.2 INSERT (or other statement which modifies data) with +--echo # a stored function which does not modify data and uses +--echo # SELECT. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data +--echo # it uses. Therefore it should take row locks on the data +--echo # it reads. +let $statement= insert into t2 values (f1() + 5); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.3 SELECT/SET with a stored function which +--echo # reads and modifies data. +--echo # +--echo # Since a call to such function is written to the binary log, +--echo # it should be serialized with concurrent statements affecting +--echo # the data it uses. Hence, row locks on the data read +--echo # should be taken. +let $statement= select f2(); +let $wait_statement= select i from t1 where i = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f2(); +let $wait_statement= select i from t1 where i = 1 into k; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.4. SELECT/SET with a stored function which does not +--echo # modify data and reads a table through subselect +--echo # in a control construct. +--echo # +--echo # Again, in theory a call to this function won't get to the +--echo # binary log and thus no locking is needed. But in practice +--echo # we don't detect this fact early enough (get_lock_type_for_table()) +--echo # to avoid taking row locks. +let $statement= select f3(); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f3(); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= select f4(); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f4(); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.5. INSERT (or other statement which modifies data) with +--echo # a stored function which does not modify data and reads +--echo # the table through a subselect in one of its control +--echo # constructs. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting data it +--echo # uses. Therefore it should take row locks on the data +--echo # it reads. +let $statement= insert into t2 values (f3() + 5); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc +let $statement= insert into t2 values (f4() + 6); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.6 SELECT/SET which uses a stored function with +--echo # DML which reads a table via a subquery. +--echo # +--echo # Since call to such function is written to the binary log +--echo # it should be serialized with concurrent statements. +--echo # Hence reads should take row locks. +let $statement= select f5(); +let $wait_statement= insert into t2 values ((select i from t1 where i = 1) + 5); +--source include/check_shared_row_lock.inc +let $statement= set @a:= f5(); +let $wait_statement= insert into t2 values ((select i from t1 where i = 1) + 5); +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.7 SELECT/SET which uses a stored function which +--echo # doesn't modify data and reads tables through +--echo # a view. +--echo # +--echo # Once again, in theory, calls to such functions won't +--echo # get into the binary log and thus don't need row +--echo # locks. But in practice this fact is discovered +--echo # too late to have any effect. +let $statement= select f6(); +let $wait_statement= select i from v1 where i = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f6(); +let $wait_statement= select i from v1 where i = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= select f7(); +let $wait_statement= select j from v2 where j = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= set @a:= f7(); +let $wait_statement= select j from v2 where j = 1 into k; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.8 INSERT which uses stored function which +--echo # doesn't modify data and reads a table +--echo # through a view. +--echo # +--echo # Since such statement is written to the binary log and +--echo # should be serialized with concurrent statements affecting +--echo # the data it uses. Therefore it should take row locks on +--echo # the rows it reads. +let $statement= insert into t3 values (f6() + 5); +let $wait_statement= select i from v1 where i = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= insert into t3 values (f7() + 5); +let $wait_statement= select j from v2 where j = 1 into k; +--source include/check_shared_row_lock.inc + + +--echo # +--echo # 4.9 SELECT which uses a stored function which +--echo # modifies data and reads tables through a view. +--echo # +--echo # Since a call to such function is written to the binary log +--echo # it should be serialized with concurrent statements. +--echo # Hence, reads should take row locks. +let $statement= select f8(); +let $wait_statement= select i from v1 where i = 1 into k; +--source include/check_shared_row_lock.inc +let $statement= select f9(); +let $wait_statement= update v2 set j=j+10 where j=1; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.10 SELECT which uses stored function which doesn't modify +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # In theory, calls to such functions won't get into the binary +--echo # log and thus don't need to acquire row locks. But in practice +--echo # this fact is discovered too late to have any effect. +let $statement= select f10(); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.11 INSERT which uses a stored function which doesn't modify +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # Since such statement is written to the binary log, it should +--echo # be serialized with concurrent statements affecting the data it +--echo # uses. Therefore it should take row locks on data it reads. +let $statement= insert into t2 values (f10() + 5); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.12 SELECT which uses a stored function which modifies +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # Since a call to such function is written to the binary log +--echo # it should be serialized from concurrent statements. +--echo # Hence, reads should take row locks. +let $statement= select f11(); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 4.13 SELECT that reads a table through a subquery passed +--echo # as a parameter to a stored function which modifies +--echo # data. +--echo # +--echo # Even though a call to this function is written to the +--echo # binary log, values of its parameters are written as literals. +--echo # So there is no need to acquire row locks on rows used in +--echo # the subquery. +let $statement= select f12((select i+10 from t1 where i=1)); +--source include/check_no_row_lock.inc + +--echo # +--echo # 4.14 INSERT that reads a table via a subquery passed +--echo # as a parameter to a stored function which doesn't +--echo # modify data. +--echo # +--echo # Since this statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data it +--echo # uses. Therefore it should take row locks on the data it reads. +let $statement= insert into t2 values (f13((select i+10 from t1 where i=1))); +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + + +--echo # +--echo # 5. Statements that read tables through stored procedures. +--echo # + +--echo # +--echo # 5.1 CALL statement which reads a table via SELECT. +--echo # +--echo # Since neither this statement nor its components are +--echo # written to the binary log, there is no need to take +--echo # row locks on the data it reads. +let $statement= call p2(@a); +--source include/check_no_row_lock.inc + +--echo # +--echo # 5.2 Function that modifes data and uses CALL, +--echo # which reads a table through SELECT. +--echo # +--echo # Since a call to such function is written to the binary +--echo # log, it should be serialized with concurrent statements. +--echo # Hence, in this case reads should take row locks on data. +let $statement= select f14(); +let $wait_statement= select i from t1 where i = 1 into p; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 5.3 SELECT that calls a function that doesn't modify data and +--echo # uses a CALL statement that reads a table via SELECT. +--echo # +--echo # In theory, calls to such functions won't get into the binary +--echo # log and thus don't need to acquire row locks. But in practice +--echo # this fact is discovered too late to have any effect. +let $statement= select f15(); +let $wait_statement= select i from t1 where i = 1 into p; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 5.4 INSERT which calls function which doesn't modify data and +--echo # uses CALL statement which reads table through SELECT. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting data it +--echo # uses. Therefore it should take row locks on data it reads. +let $statement= insert into t2 values (f15()+5); +let $wait_statement= select i from t1 where i = 1 into p; +--source include/check_shared_row_lock.inc + + +--echo # +--echo # 6. Statements that use triggers. +--echo # + +--echo # +--echo # 6.1 Statement invoking a trigger that reads table via SELECT. +--echo # +--echo # Since this statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data +--echo # it uses. Therefore, it should take row locks on the data +--echo # it reads. +let $statement= insert into t4 values (2); +let $wait_statement= select i from t1 where i=1 into k; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 6.2 Statement invoking a trigger that reads table through +--echo # a subquery in a control construct. +--echo # +--echo # The above is true for this statement as well. +let $statement= update t4 set l= 2 where l = 1; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 6.3 Statement invoking a trigger that reads a table through +--echo # a view. +--echo # +--echo # And for this statement. +let $statement= delete from t4 where l = 1; +let $wait_statement= $statement; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 6.4 Statement invoking a trigger that reads a table through +--echo # a stored function. +--echo # +--echo # And for this statement. +let $statement= insert into t5 values (2); +let $wait_statement= select i from t1 where i = 1 into j; +--source include/check_shared_row_lock.inc + +--echo # +--echo # 6.5 Statement invoking a trigger that reads a table through +--echo # stored procedure. +--echo # +--echo # And for this statement. +let $statement= update t5 set l= 2 where l = 1; +let $wait_statement= select i from t1 where i = 1 into p; +--source include/check_shared_row_lock.inc + +--echo # Clean-up. +drop function f1; +drop function f2; +drop function f3; +drop function f4; +drop function f5; +drop function f6; +drop function f7; +drop function f8; +drop function f9; +drop function f10; +drop function f11; +drop function f12; +drop function f13; +drop function f14; +drop function f15; +drop view v1, v2; +drop procedure p1; +drop procedure p2; +drop table t1, t2, t3, t4, t5; +disconnect con1; + +# Check that all connections opened by test cases in this file are really +# gone so execution of other tests won't be affected by their presence. +--source include/wait_until_count_sessions.inc diff --git a/mysql-test/t/lock_sync.test b/mysql-test/t/lock_sync.test index 31884c1b79c..d93caed8b7e 100644 --- a/mysql-test/t/lock_sync.test +++ b/mysql-test/t/lock_sync.test @@ -4,10 +4,10 @@ --source include/have_debug_sync.inc # We need InnoDB to be able use TL_WRITE_ALLOW_WRITE type of locks in our tests. --source include/have_innodb.inc -# The test for Bug#50821 requires binary logging turned on. -# With binary logging on, sub-queries in DML statements acquire -# TL_READ_NO_INSERT which was needed to reproduce this deadlock bug. ---source include/have_log_bin.inc +# This test requires statement/mixed mode binary logging. +# Row-based mode puts weaker serializability requirements +# so weaker locks are acquired for it. +--source include/have_binlog_format_mixed_or_statement.inc # Until bug#41971 'Thread state on embedded server is always "Writing to net"' # is fixed this test can't be run on embedded version of server. --source include/not_embedded.inc @@ -16,6 +16,818 @@ --source include/count_sessions.inc +--echo # +--echo # Test how we handle locking in various cases when +--echo # we read data from MyISAM tables. +--echo # +--echo # In this test we mostly check that the SQL-layer correctly +--echo # determines the type of thr_lock.c lock for a table being +--echo # read. +--echo # I.e. that it disallows concurrent inserts when the statement +--echo # is going to be written to the binary log and therefore +--echo # should be serialized, and allows concurrent inserts when +--echo # such serialization is not necessary (e.g. when +--echo # the statement is not written to binary log). +--echo # + +--echo # Force concurrent inserts to be performed even if the table +--echo # has gaps. This allows to simplify clean up in scripts +--echo # used below (instead of backing up table being inserted +--echo # into and then restoring it from backup at the end of the +--echo # script we can simply delete rows which were inserted). +set @old_concurrent_insert= @@global.concurrent_insert; +set @@global.concurrent_insert= 2; +select @@global.concurrent_insert; + +--echo # Prepare playground by creating tables, views, +--echo # routines and triggers used in tests. +connect (con1, localhost, root,,); +connect (con2, localhost, root,,); +connection default; +--disable_warnings +drop table if exists t0, t1, t2, t3, t4, t5; +drop view if exists v1, v2; +drop procedure if exists p1; +drop procedure if exists p2; +drop function if exists f1; +drop function if exists f2; +drop function if exists f3; +drop function if exists f4; +drop function if exists f5; +drop function if exists f6; +drop function if exists f7; +drop function if exists f8; +drop function if exists f9; +drop function if exists f10; +drop function if exists f11; +drop function if exists f12; +drop function if exists f13; +drop function if exists f14; +drop function if exists f15; +--enable_warnings +create table t1 (i int primary key); +insert into t1 values (1), (2), (3), (4), (5); +create table t2 (j int primary key); +insert into t2 values (1), (2), (3), (4), (5); +create table t3 (k int primary key); +insert into t3 values (1), (2), (3); +create table t4 (l int primary key); +insert into t4 values (1); +create table t5 (l int primary key); +insert into t5 values (1); +create view v1 as select i from t1; +create view v2 as select j from t2 where j in (select i from t1); +create procedure p1(k int) insert into t2 values (k); +delimiter |; +create function f1() returns int +begin + declare j int; + select i from t1 where i = 1 into j; + return j; +end| +create function f2() returns int +begin + declare k int; + select i from t1 where i = 1 into k; + insert into t2 values (k + 5); + return 0; +end| +create function f3() returns int +begin + return (select i from t1 where i = 3); +end| +create function f4() returns int +begin + if (select i from t1 where i = 3) then + return 1; + else + return 0; + end if; +end| +create function f5() returns int +begin + insert into t2 values ((select i from t1 where i = 1) + 5); + return 0; +end| +create function f6() returns int +begin + declare k int; + select i from v1 where i = 1 into k; + return k; +end| +create function f7() returns int +begin + declare k int; + select j from v2 where j = 1 into k; + return k; +end| +create function f8() returns int +begin + declare k int; + select i from v1 where i = 1 into k; + insert into t2 values (k+5); + return k; +end| +create function f9() returns int +begin + update v2 set j=j+10 where j=1; + return 1; +end| +create function f10() returns int +begin + return f1(); +end| +create function f11() returns int +begin + declare k int; + set k= f1(); + insert into t2 values (k+5); + return k; +end| +create function f12(p int) returns int +begin + insert into t2 values (p); + return p; +end| +create function f13(p int) returns int +begin + return p; +end| +create procedure p2(inout p int) +begin + select i from t1 where i = 1 into p; +end| +create function f14() returns int +begin + declare k int; + call p2(k); + insert into t2 values (k+5); + return k; +end| +create function f15() returns int +begin + declare k int; + call p2(k); + return k; +end| +create trigger t4_bi before insert on t4 for each row +begin + declare k int; + select i from t1 where i=1 into k; + set new.l= k+1; +end| +create trigger t4_bu before update on t4 for each row +begin + if (select i from t1 where i=1) then + set new.l= 2; + end if; +end| +create trigger t4_bd before delete on t4 for each row +begin + if !(select i from v1 where i=1) then + signal sqlstate '45000'; + end if; +end| +create trigger t5_bi before insert on t5 for each row +begin + set new.l= f1()+1; +end| +create trigger t5_bu before update on t5 for each row +begin + declare j int; + call p2(j); + set new.l= j + 1; +end| +delimiter ;| + +--echo # +--echo # Set common variables to be used by the scripts +--echo # called below. +--echo # +let $con_aux1= con1; +let $con_aux2= con2; +let $table= t1; + +--echo # Switch to connection 'con1'. +connection con1; +--echo # Cache all functions used in the tests below so statements +--echo # calling them won't need to open and lock mysql.proc table +--echo # and we can assume that each statement locks its tables +--echo # once during its execution. +--disable_result_log +show create procedure p1; +show create procedure p2; +show create function f1; +show create function f2; +show create function f3; +show create function f4; +show create function f5; +show create function f6; +show create function f7; +show create function f8; +show create function f9; +show create function f10; +show create function f11; +show create function f12; +show create function f13; +show create function f14; +show create function f15; +--enable_result_log +--echo # Switch back to connection 'default'. +connection default; + +--echo # +--echo # 1. Statements that read tables and do not use subqueries. +--echo # + +--echo # +--echo # 1.1 Simple SELECT statement. +--echo # +--echo # No locks are necessary as this statement won't be written +--echo # to the binary log and thanks to how MyISAM works SELECT +--echo # will see version of the table prior to concurrent insert. +let $statement= select * from t1; +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 1.2 Multi-UPDATE statement. +--echo # +--echo # Has to take shared locks on rows in the table being read as this +--echo # statement will be written to the binary log and therefore should +--echo # be serialized with concurrent statements. +let $statement= update t2, t1 set j= j - 1 where i = j; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 1.3 Multi-DELETE statement. +--echo # +--echo # The above is true for this statement as well. +let $statement= delete t2 from t1, t2 where i = j; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 1.4 DESCRIBE statement. +--echo # +--echo # This statement does not really read data from the +--echo # target table and thus does not take any lock on it. +--echo # We check this for completeness of coverage. +lock table t1 write; +--echo # Switching to connection 'con1'. +connection con1; +--echo # This statement should not be blocked. +--disable_result_log +describe t1; +--enable_result_log +--echo # Switching to connection 'default'. +connection default; +unlock tables; + +--echo # +--echo # 1.5 SHOW statements. +--echo # +--echo # The above is true for SHOW statements as well. +lock table t1 write; +--echo # Switching to connection 'con1'. +connection con1; +--echo # These statements should not be blocked. +# The below test for SHOW CREATE TABLE is disabled until bug 52593 +# "SHOW CREATE TABLE is blocked if table is locked for write by another +# connection" is fixed. +--disable_parsing +show create table t1; +--enable_parsing +--disable_result_log +show keys from t1; +--enable_result_log +--echo # Switching to connection 'default'. +connection default; +unlock tables; + + +--echo # +--echo # 2. Statements which read tables through subqueries. +--echo # + +--echo # +--echo # 2.1 CALL with a subquery. +--echo # +--echo # A strong lock is not necessary as this statement is not +--echo # written to the binary log as a whole (it is written +--echo # statement-by-statement). +let $statement= call p1((select i + 5 from t1 where i = 1)); +let $restore_table= t2; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 2.2 CREATE TABLE with a subquery. +--echo # +--echo # Has to take a strong lock on the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent statements. +let $statement= create table t0 select * from t1; +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +drop table t0; +let $statement= create table t0 select j from t2 where j in (select i from t1); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +drop table t0; + +--echo # +--echo # 2.3 DELETE with a subquery. +--echo # +--echo # The above is true for this statement as well. +let $statement= delete from t2 where j in (select i from t1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 2.4 MULTI-DELETE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= delete t2 from t3, t2 where k = j and j in (select i from t1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 2.5 DO with a subquery. +--echo # +--echo # A strong lock is not necessary as it is not logged. +let $statement= do (select i from t1 where i = 1); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 2.6 INSERT with a subquery. +--echo # +--echo # Has to take a strong lock on the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent inserts. +let $statement= insert into t2 select i+5 from t1; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= insert into t2 values ((select i+5 from t1 where i = 4)); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 2.7 LOAD DATA with a subquery. +--echo # +--echo # The above is true for this statement as well. +let $statement= load data infile '../../std_data/rpl_loaddata.dat' into table t2 (@a, @b) set j= @b + (select i from t1 where i = 1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 2.8 REPLACE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= replace into t2 select i+5 from t1; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= replace into t2 values ((select i+5 from t1 where i = 4)); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 2.9 SELECT with a subquery. +--echo # +--echo # Strong locks are not necessary as this statement is not written +--echo # to the binary log and thanks to how MyISAM works this statement +--echo # sees a version of the table prior to the concurrent insert. +let $statement= select * from t2 where j in (select i from t1); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 2.10 SET with a subquery. +--echo # +--echo # The same is true for this statement as well. +let $statement= set @a:= (select i from t1 where i = 1); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 2.11 SHOW with a subquery. +--echo # +--echo # And for this statement too. +let $statement= show tables from test where Tables_in_test = 't2' and (select i from t1 where i = 1); +let $restore_table= ; +--source include/check_concurrent_insert.inc +let $statement= show columns from t2 where (select i from t1 where i = 1); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 2.12 UPDATE with a subquery. +--echo # +--echo # Has to take a strong lock on the table being read as +--echo # this statement is written to the binary log and therefore +--echo # should be serialized with concurrent inserts. +let $statement= update t2 set j= j-10 where j in (select i from t1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 2.13 MULTI-UPDATE with a subquery. +--echo # +--echo # Same is true for this statement as well. +let $statement= update t2, t3 set j= j -10 where j=k and j in (select i from t1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 3. Statements which read tables through a view. +--echo # + +--echo # +--echo # 3.1 SELECT statement which uses some table through a view. +--echo # +--echo # Since this statement is not written to the binary log and +--echo # an old version of the table is accessible thanks to how MyISAM +--echo # handles concurrent insert, no locking is necessary. +let $statement= select * from v1; +let $restore_table= ; +--source include/check_concurrent_insert.inc +let $statement= select * from v2; +let $restore_table= ; +--source include/check_concurrent_insert.inc +let $statement= select * from t2 where j in (select i from v1); +let $restore_table= ; +--source include/check_concurrent_insert.inc +let $statement= select * from t3 where k in (select j from v2); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 3.2 Statements which modify a table and use views. +--echo # +--echo # Since such statements are going to be written to the binary +--echo # log they need to be serialized against concurrent statements +--echo # and therefore should take strong locks on the data read. +let $statement= update t2 set j= j-10 where j in (select i from v1); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= update t3 set k= k-10 where k in (select j from v2); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= update t2, v1 set j= j-10 where j = i; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= update v2 set j= j-10 where j = 3; +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 4. Statements which read tables through stored functions. +--echo # + +--echo # +--echo # 4.1 SELECT/SET with a stored function which does not +--echo # modify data and uses SELECT in its turn. +--echo # +--echo # In theory there is no need to take strong locks on the table +--echo # being selected from in SF as the call to such function +--echo # won't get into the binary log. In practice, however, we +--echo # discover that fact too late in the process to be able to +--echo # affect the decision what locks should be taken. +--echo # Hence, strong locks are taken in this case. +let $statement= select f1(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f1(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.2 INSERT (or other statement which modifies data) with +--echo # a stored function which does not modify data and uses +--echo # SELECT. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data +--echo # it uses. Therefore it should take strong lock on the data +--echo # it reads. +let $statement= insert into t2 values (f1() + 5); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.3 SELECT/SET with a stored function which +--echo # reads and modifies data. +--echo # +--echo # Since a call to such function is written to the binary log, +--echo # it should be serialized with concurrent statements affecting +--echo # the data it uses. Hence, a strong lock on the data read +--echo # should be taken. +let $statement= select f2(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f2(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.4. SELECT/SET with a stored function which does not +--echo # modify data and reads a table through subselect +--echo # in a control construct. +--echo # +--echo # Again, in theory a call to this function won't get to the +--echo # binary log and thus no strong lock is needed. But in practice +--echo # we don't detect this fact early enough (get_lock_type_for_table()) +--echo # to avoid taking a strong lock. +let $statement= select f3(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f3(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +let $statement= select f4(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f4(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.5. INSERT (or other statement which modifies data) with +--echo # a stored function which does not modify data and reads +--echo # the table through a subselect in one of its control +--echo # constructs. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting data it +--echo # uses. Therefore it should take a strong lock on the data +--echo # it reads. +let $statement= insert into t2 values (f3() + 5); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= insert into t2 values (f4() + 6); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.6 SELECT/SET which uses a stored function with +--echo # DML which reads a table via a subquery. +--echo # +--echo # Since call to such function is written to the binary log +--echo # it should be serialized with concurrent statements. +--echo # Hence reads should take a strong lock. +let $statement= select f5(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f5(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.7 SELECT/SET which uses a stored function which +--echo # doesn't modify data and reads tables through +--echo # a view. +--echo # +--echo # Once again, in theory, calls to such functions won't +--echo # get into the binary log and thus don't need strong +--echo # locks. But in practice this fact is discovered +--echo # too late to have any effect. +let $statement= select f6(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f6(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= select f7(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= set @a:= f7(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.8 INSERT which uses stored function which +--echo # doesn't modify data and reads a table +--echo # through a view. +--echo # +--echo # Since such statement is written to the binary log and +--echo # should be serialized with concurrent statements affecting +--echo # the data it uses. Therefore it should take a strong lock on +--echo # the table it reads. +let $statement= insert into t3 values (f6() + 5); +let $restore_table= t3; +--source include/check_no_concurrent_insert.inc +let $statement= insert into t3 values (f7() + 5); +let $restore_table= t3; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 4.9 SELECT which uses a stored function which +--echo # modifies data and reads tables through a view. +--echo # +--echo # Since a call to such function is written to the binary log +--echo # it should be serialized with concurrent statements. +--echo # Hence, reads should take strong locks. +let $statement= select f8(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc +let $statement= select f9(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.10 SELECT which uses a stored function which doesn't modify +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # In theory, calls to such functions won't get into the binary +--echo # log and thus don't need to acquire strong locks. But in practice +--echo # this fact is discovered too late to have any effect. +let $statement= select f10(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.11 INSERT which uses a stored function which doesn't modify +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # Since such statement is written to the binary log, it should +--echo # be serialized with concurrent statements affecting the data it +--echo # uses. Therefore it should take strong locks on data it reads. +let $statement= insert into t2 values (f10() + 5); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.12 SELECT which uses a stored function which modifies +--echo # data and reads a table indirectly, by calling another +--echo # function. +--echo # +--echo # Since a call to such function is written to the binary log +--echo # it should be serialized from concurrent statements. +--echo # Hence, read should take a strong lock. +let $statement= select f11(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 4.13 SELECT that reads a table through a subquery passed +--echo # as a parameter to a stored function which modifies +--echo # data. +--echo # +--echo # Even though a call to this function is written to the +--echo # binary log, values of its parameters are written as literals. +--echo # So there is no need to acquire strong locks for tables used in +--echo # the subquery. +let $statement= select f12((select i+10 from t1 where i=1)); +let $restore_table= t2; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 4.14 INSERT that reads a table via a subquery passed +--echo # as a parameter to a stored function which doesn't +--echo # modify data. +--echo # +--echo # Since this statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data it +--echo # uses. Therefore it should take strong locks on the data it reads. +let $statement= insert into t2 values (f13((select i+10 from t1 where i=1))); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 5. Statements that read tables through stored procedures. +--echo # + +--echo # +--echo # 5.1 CALL statement which reads a table via SELECT. +--echo # +--echo # Since neither this statement nor its components are +--echo # written to the binary log, there is no need to take +--echo # strong locks on the data it reads. +let $statement= call p2(@a); +let $restore_table= ; +--source include/check_concurrent_insert.inc + +--echo # +--echo # 5.2 Function that modifes data and uses CALL, +--echo # which reads a table through SELECT. +--echo # +--echo # Since a call to such function is written to the binary +--echo # log, it should be serialized with concurrent statements. +--echo # Hence, in this case reads should take strong locks on data. +let $statement= select f14(); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 5.3 SELECT that calls a function that doesn't modify data and +--echo # uses a CALL statement that reads a table via SELECT. +--echo # +--echo # In theory, calls to such functions won't get into the binary +--echo # log and thus don't need to acquire strong locks. But in practice +--echo # this fact is discovered too late to have any effect. +let $statement= select f15(); +let $restore_table= ; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 5.4 INSERT which calls function which doesn't modify data and +--echo # uses CALL statement which reads table through SELECT. +--echo # +--echo # Since such statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting data it +--echo # uses. Therefore it should take strong locks on data it reads. +let $statement= insert into t2 values (f15()+5); +let $restore_table= t2; +--source include/check_no_concurrent_insert.inc + + +--echo # +--echo # 6. Statements that use triggers. +--echo # + +--echo # +--echo # 6.1 Statement invoking a trigger that reads table via SELECT. +--echo # +--echo # Since this statement is written to the binary log it should +--echo # be serialized with concurrent statements affecting the data +--echo # it uses. Therefore, it should take strong locks on the data +--echo # it reads. +let $statement= insert into t4 values (2); +let $restore_table= t4; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 6.2 Statement invoking a trigger that reads table through +--echo # a subquery in a control construct. +--echo # +--echo # The above is true for this statement as well. +let $statement= update t4 set l= 2 where l = 1; +let $restore_table= t4; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 6.3 Statement invoking a trigger that reads a table through +--echo # a view. +--echo # +--echo # And for this statement. +let $statement= delete from t4 where l = 1; +let $restore_table= t4; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 6.4 Statement invoking a trigger that reads a table through +--echo # a stored function. +--echo # +--echo # And for this statement. +let $statement= insert into t5 values (2); +let $restore_table= t5; +--source include/check_no_concurrent_insert.inc + +--echo # +--echo # 6.5 Statement invoking a trigger that reads a table through +--echo # stored procedure. +--echo # +--echo # And for this statement. +let $statement= update t5 set l= 2 where l = 1; +let $restore_table= t5; +--source include/check_no_concurrent_insert.inc + + +--echo # Clean-up. +drop function f1; +drop function f2; +drop function f3; +drop function f4; +drop function f5; +drop function f6; +drop function f7; +drop function f8; +drop function f9; +drop function f10; +drop function f11; +drop function f12; +drop function f13; +drop function f14; +drop function f15; +drop view v1, v2; +drop procedure p1; +drop procedure p2; +drop table t1, t2, t3, t4, t5; + +disconnect con1; +disconnect con2; + +set @@global.concurrent_insert= @old_concurrent_insert; + + --echo # --echo # Test for bug #45143 "All connections hang on concurrent ALTER TABLE". --echo # diff --git a/sql/log_event.cc b/sql/log_event.cc index 3a52b72909a..3a3d6c74e8e 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -4226,7 +4226,7 @@ void Load_log_event::print_query(bool need_db, const char *cs, char *buf, pos= strmov(pos, "LOAD DATA "); - if (thd->lex->lock_option == TL_WRITE_CONCURRENT_INSERT) + if (is_concurrent) pos= strmov(pos, "CONCURRENT "); if (fn_start) @@ -4368,6 +4368,7 @@ bool Load_log_event::write_data_body(IO_CACHE* file) Load_log_event::Load_log_event(THD *thd_arg, sql_exchange *ex, const char *db_arg, const char *table_name_arg, List &fields_arg, + bool is_concurrent_arg, enum enum_duplicates handle_dup, bool ignore, bool using_trans) :Log_event(thd_arg, @@ -4378,7 +4379,8 @@ Load_log_event::Load_log_event(THD *thd_arg, sql_exchange *ex, num_fields(0),fields(0), field_lens(0),field_block_len(0), table_name(table_name_arg ? table_name_arg : ""), - db(db_arg), fname(ex->file_name), local_fname(FALSE) + db(db_arg), fname(ex->file_name), local_fname(FALSE), + is_concurrent(is_concurrent_arg) { time_t end_time; time(&end_time); @@ -4459,7 +4461,13 @@ Load_log_event::Load_log_event(const char *buf, uint event_len, const Format_description_log_event *description_event) :Log_event(buf, description_event), num_fields(0), fields(0), field_lens(0),field_block_len(0), - table_name(0), db(0), fname(0), local_fname(FALSE) + table_name(0), db(0), fname(0), local_fname(FALSE), + /* + Load_log_event which comes from the binary log does not contain + information about the type of insert which was used on the master. + Assume that it was an ordinary, non-concurrent LOAD DATA. + */ + is_concurrent(FALSE) { DBUG_ENTER("Load_log_event"); /* @@ -6149,11 +6157,14 @@ int Stop_log_event::do_update_pos(Relay_log_info *rli) Create_file_log_event:: Create_file_log_event(THD* thd_arg, sql_exchange* ex, const char* db_arg, const char* table_name_arg, - List& fields_arg, enum enum_duplicates handle_dup, + List& fields_arg, + bool is_concurrent_arg, + enum enum_duplicates handle_dup, bool ignore, uchar* block_arg, uint block_len_arg, bool using_trans) - :Load_log_event(thd_arg,ex,db_arg,table_name_arg,fields_arg,handle_dup, ignore, - using_trans), + :Load_log_event(thd_arg, ex, db_arg, table_name_arg, fields_arg, + is_concurrent_arg, + handle_dup, ignore, using_trans), fake_base(0), block(block_arg), event_buf(0), block_len(block_len_arg), file_id(thd_arg->file_id = mysql_bin_log.next_file_id()) { diff --git a/sql/log_event.h b/sql/log_event.h index 36397c427e5..e281fd6e206 100644 --- a/sql/log_event.h +++ b/sql/log_event.h @@ -2069,6 +2069,17 @@ public: uint32 skip_lines; sql_ex_info sql_ex; bool local_fname; + /** + Indicates that this event corresponds to LOAD DATA CONCURRENT, + + @note Since Load_log_event event coming from the binary log + lacks information whether LOAD DATA on master was concurrent + or not, this flag is only set to TRUE for an auxiliary + Load_log_event object which is used in mysql_load() to + re-construct LOAD DATA statement from function parameters, + for logging. + */ + bool is_concurrent; /* fname doesn't point to memory inside Log_event::temp_buf */ void set_fname_outside_temp_buf(const char *afname, uint alen) @@ -2089,7 +2100,9 @@ public: Load_log_event(THD* thd, sql_exchange* ex, const char* db_arg, const char* table_name_arg, - List& fields_arg, enum enum_duplicates handle_dup, bool ignore, + List& fields_arg, + bool is_concurrent_arg, + enum enum_duplicates handle_dup, bool ignore, bool using_trans); void set_fields(const char* db, List &fields_arg, Name_resolution_context *context); @@ -2708,6 +2721,7 @@ public: Create_file_log_event(THD* thd, sql_exchange* ex, const char* db_arg, const char* table_name_arg, List& fields_arg, + bool is_concurrent_arg, enum enum_duplicates handle_dup, bool ignore, uchar* block_arg, uint block_len_arg, bool using_trans); diff --git a/sql/sp_head.cc b/sql/sp_head.cc index c91ba2a68b4..2e66aec91e5 100644 --- a/sql/sp_head.cc +++ b/sql/sp_head.cc @@ -2127,6 +2127,9 @@ sp_head::reset_lex(THD *thd) sublex->interval_list.empty(); sublex->type= 0; + /* Reset part of parser state which needs this. */ + thd->m_parser_state->m_yacc.reset_before_substatement(); + DBUG_RETURN(FALSE); } diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc index f8be3ff6d4a..55d83f49245 100644 --- a/sql/sql_acl.cc +++ b/sql/sql_acl.cc @@ -3159,6 +3159,12 @@ int mysql_table_grant(THD *thd, TABLE_LIST *table_list, */ Query_tables_list backup; thd->lex->reset_n_backup_query_tables_list(&backup); + /* + Restore Query_tables_list::sql_command value, which was reset + above, as the code writing query to the binary log assumes that + this value corresponds to the statement being executed. + */ + thd->lex->sql_command= backup.sql_command; if (open_and_lock_tables(thd, tables, FALSE, MYSQL_LOCK_IGNORE_TIMEOUT)) { // Should never happen close_thread_tables(thd); /* purecov: deadcode */ diff --git a/sql/sql_base.cc b/sql/sql_base.cc index baf13431d77..1d7ad87eae0 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -3963,7 +3963,8 @@ recover_from_failed_open(THD *thd, MDL_request *mdl_request, Return a appropriate read lock type given a table object. @param thd Thread context - @param table TABLE object for table to be locked + @param prelocking_ctx Prelocking context. + @param table_list Table list element for table to be locked. @remark Due to a statement-based replication limitation, statements such as INSERT INTO .. SELECT FROM .. and CREATE TABLE .. SELECT FROM need @@ -3972,20 +3973,31 @@ recover_from_failed_open(THD *thd, MDL_request *mdl_request, source table. If such a statement gets applied on the slave before the INSERT .. SELECT statement finishes, data on the master could differ from data on the slave and end-up with a discrepancy between - the binary log and table state. Furthermore, this does not apply to - I_S and log tables as it's always unsafe to replicate such tables - under statement-based replication as the table on the slave might - contain other data (ie: general_log is enabled on the slave). The - statement will be marked as unsafe for SBR in decide_logging_format(). + the binary log and table state. + This also applies to SELECT/SET/DO statements which use stored + functions. Calls to such functions are going to be logged as a + whole and thus should be serialized against concurrent changes + to tables used by those functions. This can be avoided if functions + only read data but doing so requires more complex analysis than it + is done now. + Furthermore, this does not apply to I_S and log tables as it's + always unsafe to replicate such tables under statement-based + replication as the table on the slave might contain other data + (ie: general_log is enabled on the slave). The statement will + be marked as unsafe for SBR in decide_logging_format(). */ -thr_lock_type read_lock_type_for_table(THD *thd, TABLE *table) +thr_lock_type read_lock_type_for_table(THD *thd, + Query_tables_list *prelocking_ctx, + TABLE_LIST *table_list) { bool log_on= mysql_bin_log.is_open() && (thd->variables.option_bits & OPTION_BIN_LOG); ulong binlog_format= thd->variables.binlog_format; if ((log_on == FALSE) || (binlog_format == BINLOG_FORMAT_ROW) || - (table->s->table_category == TABLE_CATEGORY_LOG) || - (table->s->table_category == TABLE_CATEGORY_PERFORMANCE)) + (table_list->table->s->table_category == TABLE_CATEGORY_LOG) || + (table_list->table->s->table_category == TABLE_CATEGORY_PERFORMANCE) || + !(is_update_query(prelocking_ctx->sql_command) || + table_list->prelocking_placeholder)) return TL_READ; else return TL_READ_NO_INSERT; @@ -4336,7 +4348,7 @@ open_and_process_table(THD *thd, LEX *lex, TABLE_LIST *tables, tables->table->reginfo.lock_type= thd->update_lock_default; else if (tables->lock_type == TL_READ_DEFAULT) tables->table->reginfo.lock_type= - read_lock_type_for_table(thd, tables->table); + read_lock_type_for_table(thd, lex, tables); else tables->table->reginfo.lock_type= tables->lock_type; } diff --git a/sql/sql_base.h b/sql/sql_base.h index a57666afe49..77fbc7458ca 100644 --- a/sql/sql_base.h +++ b/sql/sql_base.h @@ -123,7 +123,9 @@ TABLE *open_temporary_table(THD *thd, const char *path, const char *db, TABLE *find_locked_table(TABLE *list, const char *db, const char *table_name); TABLE *find_write_locked_table(TABLE *list, const char *db, const char *table_name); -thr_lock_type read_lock_type_for_table(THD *thd, TABLE *table); +thr_lock_type read_lock_type_for_table(THD *thd, + Query_tables_list *prelocking_ctx, + TABLE_LIST *table_list); my_bool mysql_rm_tmp_tables(void); bool rm_temporary_table(handlerton *base, char *path); diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index 13f85b24299..6bd6a374883 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -350,7 +350,6 @@ void lex_start(THD *thd) lex->subqueries= FALSE; lex->view_prepare_mode= FALSE; lex->derived_tables= 0; - lex->lock_option= TL_READ; lex->safe_to_cache_query= 1; lex->leaf_tables_insert= 0; lex->parsing_options.reset(); @@ -363,7 +362,6 @@ void lex_start(THD *thd) lex->select_lex.ftfunc_list= &lex->select_lex.ftfunc_list_alloc; lex->select_lex.group_list.empty(); lex->select_lex.order_list.empty(); - lex->sql_command= SQLCOM_END; lex->duplicates= DUP_ERROR; lex->ignore= 0; lex->spname= NULL; @@ -1708,7 +1706,6 @@ void st_select_lex::init_query() exclude_from_table_unique_test= no_wrap_view_item= FALSE; nest_level= 0; link_next= 0; - lock_option= TL_READ_DEFAULT; } void st_select_lex::init_select() @@ -2219,6 +2216,7 @@ void LEX::cleanup_lex_after_parse_error(THD *thd) void Query_tables_list::reset_query_tables_list(bool init) { + sql_command= SQLCOM_END; if (!init && query_tables) { TABLE_LIST *table= query_tables; @@ -2281,8 +2279,7 @@ void Query_tables_list::destroy_query_tables_list() */ LEX::LEX() - :result(0), - sql_command(SQLCOM_END), option_type(OPT_DEFAULT), is_lex_started(0) + :result(0), option_type(OPT_DEFAULT), is_lex_started(0) { my_init_dynamic_array2(&plugins, sizeof(plugin_ref), diff --git a/sql/sql_lex.h b/sql/sql_lex.h index 85ae2697f21..6f7acc4a609 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -739,14 +739,6 @@ public: List udf_list; /* udf function calls stack */ - /** - Per sub-query locking strategy. - Note: This variable might interfer with the corresponding statement-level - variable Lex::lock_option because on how different parser rules depend - on eachother. - */ - thr_lock_type lock_option; - /* This is a copy of the original JOIN USING list that comes from the parser. The parser : @@ -1005,8 +997,11 @@ extern const LEX_STRING empty_lex_str; /* - Class representing list of all tables used by statement. - It also contains information about stored functions used by statement + Class representing list of all tables used by statement and other + information which is necessary for opening and locking its tables, + like SQL command for this statement. + + Also contains information about stored functions used by statement since during its execution we may have to add all tables used by its stored functions/triggers to this list in order to pre-open and lock them. @@ -1018,6 +1013,13 @@ extern const LEX_STRING empty_lex_str; class Query_tables_list { public: + /** + SQL command for this statement. Part of this class since the + process of opening and locking tables for the statement needs + this information to determine correct type of lock for some of + the tables. + */ + enum_sql_command sql_command; /* Global list of all tables used by this statement */ TABLE_LIST *query_tables; /* Pointer to next_global member of last element in the previous list. */ @@ -1918,7 +1920,6 @@ struct LEX: public Query_tables_list the variable can contain 0 or 1 for each nest level. */ nesting_map allow_sum_func; - enum_sql_command sql_command; Sql_statement *m_stmt; @@ -1930,7 +1931,6 @@ struct LEX: public Query_tables_list */ bool expr_allows_subselect; - thr_lock_type lock_option; enum SSL_type ssl_type; /* defined in violite.h */ enum enum_duplicates duplicates; enum enum_tx_isolation tx_isolation; @@ -2237,11 +2237,20 @@ class Yacc_state { public: Yacc_state() - : yacc_yyss(NULL), yacc_yyvs(NULL) + : yacc_yyss(NULL), yacc_yyvs(NULL), m_lock_type(TL_READ_DEFAULT) {} ~Yacc_state(); + /** + Reset part of the state which needs resetting before parsing + substatement. + */ + void reset_before_substatement() + { + m_lock_type= TL_READ_DEFAULT; + } + /** Bison internal state stack, yyss, when dynamically allocated using my_yyoverflow(). @@ -2260,6 +2269,25 @@ public: */ Set_signal_information m_set_signal_info; + /** + Type of lock to be used for tables being added to the statement's + table list in table_factor, table_alias_ref, single_multi and + table_wild_one rules. + Statements which use these rules but require lock type different + from one specified by this member have to override it by using + st_select_lex::set_lock_for_tables() method. + + The default value of this member is TL_READ_DEFAULT. The only two + cases in which we change it are: + - When parsing SELECT HIGH_PRIORITY. + - Rule for DELETE. In which we use this member to pass information + about type of lock from delete to single_multi part of rule. + + We should try to avoid introducing new use cases as we would like + to get rid of this member eventually. + */ + thr_lock_type m_lock_type; + /* TODO: move more attributes from the LEX structure here. */ diff --git a/sql/sql_load.cc b/sql/sql_load.cc index 87a347b9f98..be047a8711f 100644 --- a/sql/sql_load.cc +++ b/sql/sql_load.cc @@ -132,6 +132,7 @@ static int read_xml_field(THD *thd, COPY_INFO &info, TABLE_LIST *table_list, static bool write_execute_load_query_log_event(THD *thd, sql_exchange* ex, const char* db_arg, /* table's database */ const char* table_name_arg, + bool is_concurrent, enum enum_duplicates duplicates, bool ignore, bool transactional_table, @@ -184,6 +185,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list, char *tdb= thd->db ? thd->db : db; // Result is never null ulong skip_lines= ex->skip_lines; bool transactional_table; + bool is_concurrent; THD::killed_state killed_status= THD::NOT_KILLED; DBUG_ENTER("mysql_load"); @@ -245,6 +247,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list, table= table_list->table; transactional_table= table->file->has_transactions(); + is_concurrent= (table_list->lock_type == TL_WRITE_CONCURRENT_INSERT); if (!fields_vars.elements) { @@ -562,6 +565,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list, (void) write_execute_load_query_log_event(thd, ex, table_list->db, table_list->table_name, + is_concurrent, handle_duplicates, ignore, transactional_table, errcode); @@ -610,6 +614,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list, int errcode= query_error_code(thd, killed_status == THD::NOT_KILLED); error= write_execute_load_query_log_event(thd, ex, table_list->db, table_list->table_name, + is_concurrent, handle_duplicates, ignore, transactional_table, errcode); @@ -638,6 +643,7 @@ err: static bool write_execute_load_query_log_event(THD *thd, sql_exchange* ex, const char* db_arg, /* table's database */ const char* table_name_arg, + bool is_concurrent, enum enum_duplicates duplicates, bool ignore, bool transactional_table, @@ -673,8 +679,8 @@ static bool write_execute_load_query_log_event(THD *thd, sql_exchange* ex, tbl= string_buf.c_ptr_safe(); } - Load_log_event lle(thd, ex, tdb, tbl, fv, duplicates, - ignore, transactional_table); + Load_log_event lle(thd, ex, tdb, tbl, fv, is_concurrent, + duplicates, ignore, transactional_table); /* force in a LOCAL if there was one in the original. diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index 85e6866f3db..42777dbc837 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -5710,7 +5710,6 @@ void mysql_init_multi_delete(LEX *lex) lex->select_lex.select_limit= 0; lex->unit.select_limit_cnt= HA_POS_ERROR; lex->select_lex.table_list.save_and_clear(&lex->auxiliary_table_list); - lex->lock_option= TL_READ_DEFAULT; lex->query_tables= 0; lex->query_tables_last= &lex->query_tables; } diff --git a/sql/sql_priv.h b/sql/sql_priv.h index eeefd3cac04..20893e0caa8 100644 --- a/sql/sql_priv.h +++ b/sql/sql_priv.h @@ -129,6 +129,12 @@ extern char err_shared_dir[]; */ #define TMP_TABLE_FORCE_MYISAM (1ULL << 32) #define OPTION_PROFILING (1ULL << 33) +/** + Indicates that this is a HIGH_PRIORITY SELECT. + Currently used only for printing of such selects. + Type of locks to be acquired is specified directly. +*/ +#define SELECT_HIGH_PRIORITY (1ULL << 34) // SELECT, user /* The rest of the file is included in the server only */ diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 62a51a32ca2..d126d0e4ec6 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -17179,8 +17179,7 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type) /* First add options */ if (options & SELECT_STRAIGHT_JOIN) str->append(STRING_WITH_LEN("straight_join ")); - if ((thd->lex->lock_option == TL_READ_HIGH_PRIORITY) && - (this == &thd->lex->select_lex)) + if (options & SELECT_HIGH_PRIORITY) str->append(STRING_WITH_LEN("high_priority ")); if (options & SELECT_DISTINCT) str->append(STRING_WITH_LEN("distinct ")); diff --git a/sql/sql_show.cc b/sql/sql_show.cc index 41117650e4a..f1db513d0e2 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -3341,7 +3341,6 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) LEX *lex= thd->lex; TABLE *table= tables->table; SELECT_LEX *old_all_select_lex= lex->all_selects_list; - enum_sql_command save_sql_command= lex->sql_command; SELECT_LEX *lsel= tables->schema_select_lex; ST_SCHEMA_TABLE *schema_table= tables->schema_table; SELECT_LEX sel; @@ -3377,6 +3376,12 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) lex->view_prepare_mode= TRUE; lex->reset_n_backup_query_tables_list(&query_tables_list_backup); + /* + Restore Query_tables_list::sql_command value, which was reset + above, as ST_SCHEMA_TABLE::process_table() functions often rely + that this value reflects which SHOW statement is executed. + */ + lex->sql_command= query_tables_list_backup.sql_command; /* We should not introduce deadlocks even if we already have some @@ -3539,7 +3544,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) (MYSQL_OPEN_IGNORE_FLUSH | MYSQL_OPEN_FORCE_SHARED_HIGH_PRIO_MDL | (can_deadlock ? MYSQL_OPEN_FAIL_ON_MDL_CONFLICT : 0))); - lex->sql_command= save_sql_command; + lex->sql_command= query_tables_list_backup.sql_command; /* XXX: show_table_list has a flag i_is_requested, and when it's set, open_normal_and_derived_tables() @@ -3598,7 +3603,6 @@ err: lex->derived_tables= derived_tables; lex->all_selects_list= old_all_select_lex; lex->view_prepare_mode= save_view_prepare_mode; - lex->sql_command= save_sql_command; DBUG_RETURN(error); } diff --git a/sql/sql_table.cc b/sql/sql_table.cc index c752905d14c..b688d706762 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -4808,6 +4808,7 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables, /* purecov: begin inspected */ char buff[FN_REFLEN + MYSQL_ERRMSG_SIZE]; size_t length; + enum_sql_command save_sql_command= lex->sql_command; DBUG_PRINT("admin", ("sending error message")); protocol->prepare_for_resend(); protocol->store(table_name, system_charset_info); @@ -4821,6 +4822,11 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables, close_thread_tables(thd); thd->mdl_context.release_transactional_locks(); lex->reset_query_tables_list(FALSE); + /* + Restore Query_tables_list::sql_command value to make statement + safe for re-execution. + */ + lex->sql_command= save_sql_command; table->table=0; // For query cache if (protocol->write()) goto err; diff --git a/sql/sql_trigger.cc b/sql/sql_trigger.cc index 701a2ec93c2..9ce62d9f2a4 100644 --- a/sql/sql_trigger.cc +++ b/sql/sql_trigger.cc @@ -411,6 +411,13 @@ bool mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create) destructive changes necessary to open the trigger's table. */ thd->lex->reset_n_backup_query_tables_list(&backup); + /* + Restore Query_tables_list::sql_command, which was + reset above, as the code that writes the query to the + binary log assumes that this value corresponds to the + statement that is being executed. + */ + thd->lex->sql_command= backup.sql_command; if (add_table_for_trigger(thd, thd->lex->spname, if_exists, & tables)) goto end; diff --git a/sql/sql_update.cc b/sql/sql_update.cc index 41737b33fb6..412a053014f 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -1054,7 +1054,7 @@ int mysql_multi_update_prepare(THD *thd) be write-locked (for example, trigger to be invoked might try to update this table). */ - tl->lock_type= read_lock_type_for_table(thd, table); + tl->lock_type= read_lock_type_for_table(thd, lex, tl); tl->updating= 0; /* Update TABLE::lock_type accordingly. */ if (!tl->placeholder() && !using_lock_tables) diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy index a0d64e6a378..aa336f3c072 100644 --- a/sql/sql_yacc.yy +++ b/sql/sql_yacc.yy @@ -29,6 +29,7 @@ #define YYLEX_PARAM yythd #define YYTHD ((THD *)yythd) #define YYLIP (& YYTHD->m_parser_state->m_lip) +#define YYPS (& YYTHD->m_parser_state->m_yacc) #define MYSQL_YACC #define YYINITDEPTH 100 @@ -4937,7 +4938,6 @@ create_select: SELECT_SYM { LEX *lex=Lex; - lex->lock_option= TL_READ_DEFAULT; if (lex->sql_command == SQLCOM_INSERT) lex->sql_command= SQLCOM_INSERT_SELECT; else if (lex->sql_command == SQLCOM_REPLACE) @@ -7302,7 +7302,6 @@ select_lock_type: { LEX *lex=Lex; lex->current_select->set_lock_for_tables(TL_WRITE); - lex->current_select->lock_option= TL_WRITE; lex->safe_to_cache_query=0; lex->protect_against_global_read_lock= TRUE; } @@ -7311,7 +7310,6 @@ select_lock_type: LEX *lex=Lex; lex->current_select-> set_lock_for_tables(TL_READ_WITH_SHARED_LOCKS); - lex->current_select->lock_option= TL_READ_WITH_SHARED_LOCKS; lex->safe_to_cache_query=0; } ; @@ -9221,7 +9219,7 @@ table_factor: { if (!($$= Select->add_table_to_list(YYTHD, $2, $3, Select->get_table_join_options(), - Lex->lock_option, + YYPS->m_lock_type, Select->pop_index_hints()))) MYSQL_YYABORT; Select->add_joined_table($$); @@ -10278,7 +10276,7 @@ table_alias_ref: { if (!Select->add_table_to_list(YYTHD, $1, NULL, TL_OPTION_UPDATING | TL_OPTION_ALIAS, - Lex->lock_option )) + YYPS->m_lock_type)) MYSQL_YYABORT; } ; @@ -10303,8 +10301,6 @@ insert: lex->sql_command= SQLCOM_INSERT; lex->duplicates= DUP_ERROR; mysql_init_select(lex); - /* for subselects */ - lex->lock_option= TL_READ_DEFAULT; } insert_lock_option opt_ignore insert2 @@ -10495,7 +10491,6 @@ update: LEX *lex= Lex; mysql_init_select(lex); lex->sql_command= SQLCOM_UPDATE; - lex->lock_option= TL_UNLOCK; /* Will be set later */ lex->duplicates= DUP_ERROR; } opt_low_priority opt_ignore join_table_list @@ -10562,7 +10557,7 @@ delete: LEX *lex= Lex; lex->sql_command= SQLCOM_DELETE; mysql_init_select(lex); - lex->lock_option= TL_WRITE_DEFAULT; + YYPS->m_lock_type= TL_WRITE_DEFAULT; lex->ignore= 0; lex->select_lex.init_order(); } @@ -10573,20 +10568,27 @@ single_multi: FROM table_ident { if (!Select->add_table_to_list(YYTHD, $2, NULL, TL_OPTION_UPDATING, - Lex->lock_option)) + YYPS->m_lock_type)) MYSQL_YYABORT; + YYPS->m_lock_type= TL_READ_DEFAULT; } where_clause opt_order_clause delete_limit_clause {} | table_wild_list - { mysql_init_multi_delete(Lex); } + { + mysql_init_multi_delete(Lex); + YYPS->m_lock_type= TL_READ_DEFAULT; + } FROM join_table_list where_clause { if (multi_delete_set_locks_and_link_aux_tables(Lex)) MYSQL_YYABORT; } | FROM table_alias_ref_list - { mysql_init_multi_delete(Lex); } + { + mysql_init_multi_delete(Lex); + YYPS->m_lock_type= TL_READ_DEFAULT; + } USING join_table_list where_clause { if (multi_delete_set_locks_and_link_aux_tables(Lex)) @@ -10609,7 +10611,7 @@ table_wild_one: ti, NULL, TL_OPTION_UPDATING | TL_OPTION_ALIAS, - Lex->lock_option)) + YYPS->m_lock_type)) MYSQL_YYABORT; } | ident '.' ident opt_wild @@ -10621,7 +10623,7 @@ table_wild_one: ti, NULL, TL_OPTION_UPDATING | TL_OPTION_ALIAS, - Lex->lock_option)) + YYPS->m_lock_type)) MYSQL_YYABORT; } ; @@ -10638,7 +10640,7 @@ opt_delete_options: opt_delete_option: QUICK { Select->options|= OPTION_QUICK; } - | LOW_PRIORITY { Lex->lock_option= TL_WRITE_LOW_PRIORITY; } + | LOW_PRIORITY { YYPS->m_lock_type= TL_WRITE_LOW_PRIORITY; } | IGNORE_SYM { Lex->ignore= 1; } ; @@ -10724,7 +10726,6 @@ show: { LEX *lex=Lex; lex->wild=0; - lex->lock_option= TL_READ; mysql_init_select(lex); lex->current_select->parsing_place= SELECT_LIST; bzero((char*) &lex->create_info,sizeof(lex->create_info)); @@ -11077,7 +11078,6 @@ describe: describe_command table_ident { LEX *lex= Lex; - lex->lock_option= TL_READ; mysql_init_select(lex); lex->current_select->parsing_place= SELECT_LIST; lex->sql_command= SQLCOM_SHOW_FIELDS; @@ -11291,7 +11291,6 @@ load: { LEX *lex=Lex; lex->sql_command= SQLCOM_LOAD; - lex->lock_option= $4; lex->local_file= $5; lex->duplicates= DUP_ERROR; lex->ignore= 0; @@ -11302,7 +11301,7 @@ load: { LEX *lex=Lex; if (!Select->add_table_to_list(YYTHD, $12, NULL, TL_OPTION_UPDATING, - lex->lock_option)) + $4)) MYSQL_YYABORT; lex->field_list.empty(); lex->update_list.empty(); @@ -13734,17 +13733,6 @@ subselect_start: subselect_end: { LEX *lex=Lex; - /* - Set the required lock level for the tables associated with the - current sub-select. This will overwrite previous lock options set - using st_select_lex::add_table_to_list in any of the following - rules: single_multi, table_wild_one, load_data, table_alias_ref, - table_factor. - The default lock level is TL_READ_DEFAULT but it can be modified - with query options specific for a certain (sub-)SELECT. - */ - lex->current_select-> - set_lock_for_tables(lex->current_select->lock_option); lex->pop_context(); SELECT_LEX *child= lex->current_select; @@ -13776,8 +13764,8 @@ query_expression_option: { if (check_simple_select()) MYSQL_YYABORT; - Lex->lock_option= TL_READ_HIGH_PRIORITY; - Lex->current_select->lock_option= TL_READ_HIGH_PRIORITY; + YYPS->m_lock_type= TL_READ_HIGH_PRIORITY; + Select->options|= SELECT_HIGH_PRIORITY; } | DISTINCT { Select->options|= SELECT_DISTINCT; } | SQL_SMALL_RESULT { Select->options|= SELECT_SMALL_RESULT; } From f41933c436a0af49ab95131c347a78c8246da6ba Mon Sep 17 00:00:00 2001 From: Konstantin Osipov Date: Wed, 28 Apr 2010 17:43:25 +0400 Subject: [PATCH 249/400] Bug#46947 "Embedded SELECT without FOR UPDATE is causing a lock" Update the result file to minor tweaks of the comments in the test case. --- mysql-test/r/lock_sync.result | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mysql-test/r/lock_sync.result b/mysql-test/r/lock_sync.result index 299b5546716..e6265f1cb5e 100644 --- a/mysql-test/r/lock_sync.result +++ b/mysql-test/r/lock_sync.result @@ -439,14 +439,14 @@ Success: 'set @a:= f7()' doesn't allow concurrent inserts into 't1'. # doesn't modify data and reads a table # through a view. # -# Since such statement is written to the binary log and +# Since such statement is written to the binary log and # should be serialized with concurrent statements affecting # the data it uses. Therefore it should take a strong lock on # the table it reads. Success: 'insert into t3 values (f6() + 5)' doesn't allow concurrent inserts into 't1'. Success: 'insert into t3 values (f7() + 5)' doesn't allow concurrent inserts into 't1'. # -# 4.9 SELECT which uses a stored function which +# 4.9 SELECT which uses a stored function which # modifies data and reads tables through a view. # # Since a call to such function is written to the binary log @@ -457,7 +457,7 @@ Success: 'select f9()' doesn't allow concurrent inserts into 't1'. # # 4.10 SELECT which uses a stored function which doesn't modify # data and reads a table indirectly, by calling another -# function. +# function. # # In theory, calls to such functions won't get into the binary # log and thus don't need to acquire strong locks. But in practice @@ -508,7 +508,7 @@ Success: 'insert into t2 values (f13((select i+10 from t1 where i=1)))' doesn't # # Since neither this statement nor its components are # written to the binary log, there is no need to take -# strong locks on the data read it reads. +# strong locks on the data it reads. Success: 'call p2(@a)' allows concurrent inserts into 't1'. # # 5.2 Function that modifes data and uses CALL, @@ -543,7 +543,7 @@ Success: 'insert into t2 values (f15()+5)' doesn't allow concurrent inserts into # Since this statement is written to the binary log it should # be serialized with concurrent statements affecting the data # it uses. Therefore, it should take strong locks on the data -# it reads. +# it reads. Success: 'insert into t4 values (2)' doesn't allow concurrent inserts into 't1'. # # 6.2 Statement invoking a trigger that reads table through From 33587bfbe2e0e8476eaf812773a992c08a326f1f Mon Sep 17 00:00:00 2001 From: Inaam Rana Date: Thu, 29 Apr 2010 13:43:10 -0400 Subject: [PATCH 250/400] Add basic tests for new innodb features --- .../innodb_buffer_pool_instances_basic.result | 53 +++++++ .../r/innodb_purge_batch_size_basic.result | 98 ++++++++++++ .../r/innodb_purge_threads_basic.result | 53 +++++++ .../r/innodb_use_native_aio_basic.result | 53 +++++++ .../t/innodb_buffer_pool_instances_basic.test | 103 +++++++++++++ .../t/innodb_purge_batch_size_basic.test | 142 ++++++++++++++++++ .../t/innodb_purge_threads_basic.test | 102 +++++++++++++ .../t/innodb_use_native_aio_basic.test | 102 +++++++++++++ 8 files changed, 706 insertions(+) create mode 100644 mysql-test/suite/sys_vars/r/innodb_buffer_pool_instances_basic.result create mode 100644 mysql-test/suite/sys_vars/r/innodb_purge_batch_size_basic.result create mode 100644 mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result create mode 100644 mysql-test/suite/sys_vars/r/innodb_use_native_aio_basic.result create mode 100644 mysql-test/suite/sys_vars/t/innodb_buffer_pool_instances_basic.test create mode 100644 mysql-test/suite/sys_vars/t/innodb_purge_batch_size_basic.test create mode 100644 mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test create mode 100644 mysql-test/suite/sys_vars/t/innodb_use_native_aio_basic.test diff --git a/mysql-test/suite/sys_vars/r/innodb_buffer_pool_instances_basic.result b/mysql-test/suite/sys_vars/r/innodb_buffer_pool_instances_basic.result new file mode 100644 index 00000000000..a3c1a7b7bd4 --- /dev/null +++ b/mysql-test/suite/sys_vars/r/innodb_buffer_pool_instances_basic.result @@ -0,0 +1,53 @@ +'#---------------------BS_STVARS_035_01----------------------#' +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +COUNT(@@GLOBAL.innodb_buffer_pool_instances) +1 +1 Expected +'#---------------------BS_STVARS_035_02----------------------#' +SET @@GLOBAL.innodb_buffer_pool_instances=1; +ERROR HY000: Variable 'innodb_buffer_pool_instances' is a read only variable +Expected error 'Read only variable' +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +COUNT(@@GLOBAL.innodb_buffer_pool_instances) +1 +1 Expected +'#---------------------BS_STVARS_035_03----------------------#' +SELECT @@GLOBAL.innodb_buffer_pool_instances = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_buffer_pool_instances'; +@@GLOBAL.innodb_buffer_pool_instances = VARIABLE_VALUE +1 +1 Expected +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +COUNT(@@GLOBAL.innodb_buffer_pool_instances) +1 +1 Expected +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_buffer_pool_instances'; +COUNT(VARIABLE_VALUE) +1 +1 Expected +'#---------------------BS_STVARS_035_04----------------------#' +SELECT @@innodb_buffer_pool_instances = @@GLOBAL.innodb_buffer_pool_instances; +@@innodb_buffer_pool_instances = @@GLOBAL.innodb_buffer_pool_instances +1 +1 Expected +'#---------------------BS_STVARS_035_05----------------------#' +SELECT COUNT(@@innodb_buffer_pool_instances); +COUNT(@@innodb_buffer_pool_instances) +1 +1 Expected +SELECT COUNT(@@local.innodb_buffer_pool_instances); +ERROR HY000: Variable 'innodb_buffer_pool_instances' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@SESSION.innodb_buffer_pool_instances); +ERROR HY000: Variable 'innodb_buffer_pool_instances' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +COUNT(@@GLOBAL.innodb_buffer_pool_instances) +1 +1 Expected +SELECT innodb_buffer_pool_instances = @@SESSION.innodb_buffer_pool_instances; +ERROR 42S22: Unknown column 'innodb_buffer_pool_instances' in 'field list' +Expected error 'Readonly variable' diff --git a/mysql-test/suite/sys_vars/r/innodb_purge_batch_size_basic.result b/mysql-test/suite/sys_vars/r/innodb_purge_batch_size_basic.result new file mode 100644 index 00000000000..1ff36237907 --- /dev/null +++ b/mysql-test/suite/sys_vars/r/innodb_purge_batch_size_basic.result @@ -0,0 +1,98 @@ +SET @global_start_value = @@global.innodb_purge_batch_size; +SELECT @global_start_value; +@global_start_value +20 +'#--------------------FN_DYNVARS_046_01------------------------#' +SET @@global.innodb_purge_batch_size = 1; +SET @@global.innodb_purge_batch_size = DEFAULT; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +20 +'#---------------------FN_DYNVARS_046_02-------------------------#' +SET innodb_purge_batch_size = 1; +ERROR HY000: Variable 'innodb_purge_batch_size' is a GLOBAL variable and should be set with SET GLOBAL +SELECT @@innodb_purge_batch_size; +@@innodb_purge_batch_size +20 +SELECT local.innodb_purge_batch_size; +ERROR 42S02: Unknown table 'local' in field list +SET global innodb_purge_batch_size = 1; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +'#--------------------FN_DYNVARS_046_03------------------------#' +SET @@global.innodb_purge_batch_size = 1; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = 5000; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +5000 +SET @@global.innodb_purge_batch_size = 1000; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1000 +'#--------------------FN_DYNVARS_046_04-------------------------#' +SET @@global.innodb_purge_batch_size = 0; +Warnings: +Warning 1292 Truncated incorrect innodb_purge_batch_size value: '0' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = "T"; +ERROR 42000: Incorrect argument type to variable 'innodb_purge_batch_size' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = "Y"; +ERROR 42000: Incorrect argument type to variable 'innodb_purge_batch_size' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = 5001; +Warnings: +Warning 1292 Truncated incorrect innodb_purge_batch_size value: '5001' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +5000 +'#----------------------FN_DYNVARS_046_05------------------------#' +SELECT @@global.innodb_purge_batch_size = +VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_batch_size'; +@@global.innodb_purge_batch_size = +VARIABLE_VALUE +1 +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +5000 +SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_batch_size'; +VARIABLE_VALUE +5000 +'#---------------------FN_DYNVARS_046_06-------------------------#' +SET @@global.innodb_purge_batch_size = OFF; +ERROR 42000: Incorrect argument type to variable 'innodb_purge_batch_size' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +5000 +SET @@global.innodb_purge_batch_size = ON; +ERROR 42000: Incorrect argument type to variable 'innodb_purge_batch_size' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +5000 +'#---------------------FN_DYNVARS_046_07----------------------#' +SET @@global.innodb_purge_batch_size = TRUE; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = FALSE; +Warnings: +Warning 1292 Truncated incorrect innodb_purge_batch_size value: '0' +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +1 +SET @@global.innodb_purge_batch_size = @global_start_value; +SELECT @@global.innodb_purge_batch_size; +@@global.innodb_purge_batch_size +20 diff --git a/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result b/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result new file mode 100644 index 00000000000..e3358a14ea2 --- /dev/null +++ b/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result @@ -0,0 +1,53 @@ +'#---------------------BS_STVARS_035_01----------------------#' +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +COUNT(@@GLOBAL.innodb_purge_threads) +1 +1 Expected +'#---------------------BS_STVARS_035_02----------------------#' +SET @@GLOBAL.innodb_purge_threads=1; +ERROR HY000: Variable 'innodb_purge_threads' is a read only variable +Expected error 'Read only variable' +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +COUNT(@@GLOBAL.innodb_purge_threads) +1 +1 Expected +'#---------------------BS_STVARS_035_03----------------------#' +SELECT @@GLOBAL.innodb_purge_threads = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_threads'; +@@GLOBAL.innodb_purge_threads = VARIABLE_VALUE +1 +1 Expected +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +COUNT(@@GLOBAL.innodb_purge_threads) +1 +1 Expected +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_threads'; +COUNT(VARIABLE_VALUE) +1 +1 Expected +'#---------------------BS_STVARS_035_04----------------------#' +SELECT @@innodb_purge_threads = @@GLOBAL.innodb_purge_threads; +@@innodb_purge_threads = @@GLOBAL.innodb_purge_threads +1 +1 Expected +'#---------------------BS_STVARS_035_05----------------------#' +SELECT COUNT(@@innodb_purge_threads); +COUNT(@@innodb_purge_threads) +1 +1 Expected +SELECT COUNT(@@local.innodb_purge_threads); +ERROR HY000: Variable 'innodb_purge_threads' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@SESSION.innodb_purge_threads); +ERROR HY000: Variable 'innodb_purge_threads' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +COUNT(@@GLOBAL.innodb_purge_threads) +1 +1 Expected +SELECT innodb_purge_threads = @@SESSION.innodb_purge_threads; +ERROR 42S22: Unknown column 'innodb_purge_threads' in 'field list' +Expected error 'Readonly variable' diff --git a/mysql-test/suite/sys_vars/r/innodb_use_native_aio_basic.result b/mysql-test/suite/sys_vars/r/innodb_use_native_aio_basic.result new file mode 100644 index 00000000000..2e093a9fd2a --- /dev/null +++ b/mysql-test/suite/sys_vars/r/innodb_use_native_aio_basic.result @@ -0,0 +1,53 @@ +'#---------------------BS_STVARS_035_01----------------------#' +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +COUNT(@@GLOBAL.innodb_use_native_aio) +1 +1 Expected +'#---------------------BS_STVARS_035_02----------------------#' +SET @@GLOBAL.innodb_use_native_aio=1; +ERROR HY000: Variable 'innodb_use_native_aio' is a read only variable +Expected error 'Read only variable' +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +COUNT(@@GLOBAL.innodb_use_native_aio) +1 +1 Expected +'#---------------------BS_STVARS_035_03----------------------#' +SELECT IF(@@GLOBAL.innodb_use_native_aio, 'ON', 'OFF') = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_use_native_aio'; +IF(@@GLOBAL.innodb_use_native_aio, 'ON', 'OFF') = VARIABLE_VALUE +1 +1 Expected +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +COUNT(@@GLOBAL.innodb_use_native_aio) +1 +1 Expected +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_use_native_aio'; +COUNT(VARIABLE_VALUE) +1 +1 Expected +'#---------------------BS_STVARS_035_04----------------------#' +SELECT @@innodb_use_native_aio = @@GLOBAL.innodb_use_native_aio; +@@innodb_use_native_aio = @@GLOBAL.innodb_use_native_aio +1 +1 Expected +'#---------------------BS_STVARS_035_05----------------------#' +SELECT COUNT(@@innodb_use_native_aio); +COUNT(@@innodb_use_native_aio) +1 +1 Expected +SELECT COUNT(@@local.innodb_use_native_aio); +ERROR HY000: Variable 'innodb_use_native_aio' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@SESSION.innodb_use_native_aio); +ERROR HY000: Variable 'innodb_use_native_aio' is a GLOBAL variable +Expected error 'Variable is a GLOBAL variable' +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +COUNT(@@GLOBAL.innodb_use_native_aio) +1 +1 Expected +SELECT innodb_use_native_aio = @@SESSION.innodb_use_native_aio; +ERROR 42S22: Unknown column 'innodb_use_native_aio' in 'field list' +Expected error 'Readonly variable' diff --git a/mysql-test/suite/sys_vars/t/innodb_buffer_pool_instances_basic.test b/mysql-test/suite/sys_vars/t/innodb_buffer_pool_instances_basic.test new file mode 100644 index 00000000000..0960f1fb38b --- /dev/null +++ b/mysql-test/suite/sys_vars/t/innodb_buffer_pool_instances_basic.test @@ -0,0 +1,103 @@ + + +################## mysql-test\t\innodb_buffer_pool_instances_basic.test ####### +# # +# Variable Name: innodb_buffer_pool_instances # +# Scope: Global # +# Access Type: Static # +# Data Type: numeric # +# # +# # +# Creation Date: 2008-02-07 # +# Author : Sharique Abdullah # +# # +# # +# Description:Test Cases of Dynamic System Variable # +# innodb_buffer_pool_instances # +# that checks the behavior of this variable in the following ways # +# * Value Check # +# * Scope Check # +# # +# Reference: http://dev.mysql.com/doc/refman/5.1/en/ # +# server-system-variables.html # +# # +############################################################################### + +--source include/have_innodb.inc + +--echo '#---------------------BS_STVARS_035_01----------------------#' +#################################################################### +# Displaying default value # +#################################################################### +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +--echo 1 Expected + + +--echo '#---------------------BS_STVARS_035_02----------------------#' +#################################################################### +# Check if Value can set # +#################################################################### + +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_buffer_pool_instances=1; +--echo Expected error 'Read only variable' + +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +--echo 1 Expected + + + + +--echo '#---------------------BS_STVARS_035_03----------------------#' +################################################################# +# Check if the value in GLOBAL Table matches value in variable # +################################################################# + +SELECT @@GLOBAL.innodb_buffer_pool_instances = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_buffer_pool_instances'; +--echo 1 Expected + +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +--echo 1 Expected + +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_buffer_pool_instances'; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_04----------------------#' +################################################################################ +# Check if accessing variable with and without GLOBAL point to same variable # +################################################################################ +SELECT @@innodb_buffer_pool_instances = @@GLOBAL.innodb_buffer_pool_instances; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_05----------------------#' +################################################################################ +# Check if innodb_buffer_pool_instances can be accessed with and without @@ sign # +################################################################################ + +SELECT COUNT(@@innodb_buffer_pool_instances); +--echo 1 Expected + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@local.innodb_buffer_pool_instances); +--echo Expected error 'Variable is a GLOBAL variable' + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@SESSION.innodb_buffer_pool_instances); +--echo Expected error 'Variable is a GLOBAL variable' + +SELECT COUNT(@@GLOBAL.innodb_buffer_pool_instances); +--echo 1 Expected + +--Error ER_BAD_FIELD_ERROR +SELECT innodb_buffer_pool_instances = @@SESSION.innodb_buffer_pool_instances; +--echo Expected error 'Readonly variable' + + diff --git a/mysql-test/suite/sys_vars/t/innodb_purge_batch_size_basic.test b/mysql-test/suite/sys_vars/t/innodb_purge_batch_size_basic.test new file mode 100644 index 00000000000..88271d26965 --- /dev/null +++ b/mysql-test/suite/sys_vars/t/innodb_purge_batch_size_basic.test @@ -0,0 +1,142 @@ +################# mysql-test\t\innodb_purge_batch_size_basic.test ############# +# # +# Variable Name: innodb_purge_batch_size # +# Scope: GLOBAL # +# Access Type: Dynamic # +# Data Type: Numeric # +# Default Value: 20 # +# Range: 0-4294967295 # +# # +# # +# Creation Date: 2008-02-07 # +# Author: Rizwan # +# # +#Description:Test Cases of Dynamic System Variable innodb_purge_batch_size # +# that checks the behavior of this variable in the following ways # +# * Default Value # +# * Valid & Invalid values # +# * Scope & Access method # +# * Data Integrity # +# # +# Reference: http://dev.mysql.com/doc/refman/5.1/en/ # +# server-system-variables.html # +# # +############################################################################### + +--source include/have_innodb.inc +--source include/load_sysvars.inc + +######################################################################## +# START OF innodb_purge_batch_size TESTS # +######################################################################## + + +############################################################################ +# Saving initial value of innodb_purge_batch_size in a temporary variable # +############################################################################ + +SET @global_start_value = @@global.innodb_purge_batch_size; +SELECT @global_start_value; + +--echo '#--------------------FN_DYNVARS_046_01------------------------#' +######################################################################## +# Display the DEFAULT value of innodb_purge_batch_size # +######################################################################## + +SET @@global.innodb_purge_batch_size = 1; +SET @@global.innodb_purge_batch_size = DEFAULT; +SELECT @@global.innodb_purge_batch_size; + +--echo '#---------------------FN_DYNVARS_046_02-------------------------#' +############################################################################## +# Check if innodb_purge_batch_size can be accessed with and without @@ sign # +############################################################################## + +--Error ER_GLOBAL_VARIABLE +SET innodb_purge_batch_size = 1; +SELECT @@innodb_purge_batch_size; + +--Error ER_UNKNOWN_TABLE +SELECT local.innodb_purge_batch_size; + +SET global innodb_purge_batch_size = 1; +SELECT @@global.innodb_purge_batch_size; + +--echo '#--------------------FN_DYNVARS_046_03------------------------#' +########################################################################## +# change the value of innodb_purge_batch_size to a valid value # +########################################################################## + +SET @@global.innodb_purge_batch_size = 1; +SELECT @@global.innodb_purge_batch_size; + +SET @@global.innodb_purge_batch_size = 5000; +SELECT @@global.innodb_purge_batch_size; +SET @@global.innodb_purge_batch_size = 1000; +SELECT @@global.innodb_purge_batch_size; + +--echo '#--------------------FN_DYNVARS_046_04-------------------------#' +########################################################################### +# Change the value of innodb_purge_batch_size to invalid value # +########################################################################### + +SET @@global.innodb_purge_batch_size = 0; +SELECT @@global.innodb_purge_batch_size; + +--Error ER_WRONG_TYPE_FOR_VAR +SET @@global.innodb_purge_batch_size = "T"; +SELECT @@global.innodb_purge_batch_size; + +--Error ER_WRONG_TYPE_FOR_VAR +SET @@global.innodb_purge_batch_size = "Y"; +SELECT @@global.innodb_purge_batch_size; + +SET @@global.innodb_purge_batch_size = 5001; +SELECT @@global.innodb_purge_batch_size; + +--echo '#----------------------FN_DYNVARS_046_05------------------------#' +######################################################################### +# Check if the value in GLOBAL Table matches value in variable # +######################################################################### + +SELECT @@global.innodb_purge_batch_size = + VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_purge_batch_size'; +SELECT @@global.innodb_purge_batch_size; +SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES + WHERE VARIABLE_NAME='innodb_purge_batch_size'; + +--echo '#---------------------FN_DYNVARS_046_06-------------------------#' +################################################################### +# Check if ON and OFF values can be used on variable # +################################################################### + +--ERROR ER_WRONG_TYPE_FOR_VAR +SET @@global.innodb_purge_batch_size = OFF; +SELECT @@global.innodb_purge_batch_size; + +--ERROR ER_WRONG_TYPE_FOR_VAR +SET @@global.innodb_purge_batch_size = ON; +SELECT @@global.innodb_purge_batch_size; + +--echo '#---------------------FN_DYNVARS_046_07----------------------#' +################################################################### +# Check if TRUE and FALSE values can be used on variable # +################################################################### + + +SET @@global.innodb_purge_batch_size = TRUE; +SELECT @@global.innodb_purge_batch_size; +SET @@global.innodb_purge_batch_size = FALSE; +SELECT @@global.innodb_purge_batch_size; + +############################## +# Restore initial value # +############################## + +SET @@global.innodb_purge_batch_size = @global_start_value; +SELECT @@global.innodb_purge_batch_size; + +############################################################### +# END OF innodb_purge_batch_size TESTS # +############################################################### diff --git a/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test b/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test new file mode 100644 index 00000000000..64d834c6344 --- /dev/null +++ b/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test @@ -0,0 +1,102 @@ + + +################## mysql-test\t\innodb_log_purge_threads_basic.test ########### +# # +# Variable Name: innodb_purge_threads # +# Scope: Global # +# Access Type: Static # +# Data Type: numeric # +# # +# # +# Creation Date: 2008-02-07 # +# Author : Sharique Abdullah # +# # +# # +# Description:Test Cases of Dynamic System Variable innodb_purge_threads # +# that checks the behavior of this variable in the following ways # +# * Value Check # +# * Scope Check # +# # +# Reference: http://dev.mysql.com/doc/refman/5.1/en/ # +# server-system-variables.html # +# # +############################################################################### + +--source include/have_innodb.inc + +--echo '#---------------------BS_STVARS_035_01----------------------#' +#################################################################### +# Displaying default value # +#################################################################### +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +--echo 1 Expected + + +--echo '#---------------------BS_STVARS_035_02----------------------#' +#################################################################### +# Check if Value can set # +#################################################################### + +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_purge_threads=1; +--echo Expected error 'Read only variable' + +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +--echo 1 Expected + + + + +--echo '#---------------------BS_STVARS_035_03----------------------#' +################################################################# +# Check if the value in GLOBAL Table matches value in variable # +################################################################# + +SELECT @@GLOBAL.innodb_purge_threads = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_threads'; +--echo 1 Expected + +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +--echo 1 Expected + +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_purge_threads'; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_04----------------------#' +################################################################################ +# Check if accessing variable with and without GLOBAL point to same variable # +################################################################################ +SELECT @@innodb_purge_threads = @@GLOBAL.innodb_purge_threads; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_05----------------------#' +################################################################################ +# Check if innodb_purge_threads can be accessed with and without @@ sign # +################################################################################ + +SELECT COUNT(@@innodb_purge_threads); +--echo 1 Expected + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@local.innodb_purge_threads); +--echo Expected error 'Variable is a GLOBAL variable' + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@SESSION.innodb_purge_threads); +--echo Expected error 'Variable is a GLOBAL variable' + +SELECT COUNT(@@GLOBAL.innodb_purge_threads); +--echo 1 Expected + +--Error ER_BAD_FIELD_ERROR +SELECT innodb_purge_threads = @@SESSION.innodb_purge_threads; +--echo Expected error 'Readonly variable' + + diff --git a/mysql-test/suite/sys_vars/t/innodb_use_native_aio_basic.test b/mysql-test/suite/sys_vars/t/innodb_use_native_aio_basic.test new file mode 100644 index 00000000000..37879530d75 --- /dev/null +++ b/mysql-test/suite/sys_vars/t/innodb_use_native_aio_basic.test @@ -0,0 +1,102 @@ + + +################## mysql-test\t\innodb_use_native_aio_basic.test ############## +# # +# Variable Name: innodb_use_native_aio # +# Scope: Global # +# Access Type: Static # +# Data Type: numeric # +# # +# # +# Creation Date: 2008-02-07 # +# Author : Sharique Abdullah # +# # +# # +# Description:Test Cases of Dynamic System Variable innodb_use_native_aio # +# that checks the behavior of this variable in the following ways # +# * Value Check # +# * Scope Check # +# # +# Reference: http://dev.mysql.com/doc/refman/5.1/en/ # +# server-system-variables.html # +# # +############################################################################### + +--source include/have_innodb.inc + +--echo '#---------------------BS_STVARS_035_01----------------------#' +#################################################################### +# Displaying default value # +#################################################################### +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +--echo 1 Expected + + +--echo '#---------------------BS_STVARS_035_02----------------------#' +#################################################################### +# Check if Value can set # +#################################################################### + +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +SET @@GLOBAL.innodb_use_native_aio=1; +--echo Expected error 'Read only variable' + +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +--echo 1 Expected + + + + +--echo '#---------------------BS_STVARS_035_03----------------------#' +################################################################# +# Check if the value in GLOBAL Table matches value in variable # +################################################################# + +SELECT IF(@@GLOBAL.innodb_use_native_aio, 'ON', 'OFF') = VARIABLE_VALUE +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_use_native_aio'; +--echo 1 Expected + +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +--echo 1 Expected + +SELECT COUNT(VARIABLE_VALUE) +FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES +WHERE VARIABLE_NAME='innodb_use_native_aio'; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_04----------------------#' +################################################################################ +# Check if accessing variable with and without GLOBAL point to same variable # +################################################################################ +SELECT @@innodb_use_native_aio = @@GLOBAL.innodb_use_native_aio; +--echo 1 Expected + + + +--echo '#---------------------BS_STVARS_035_05----------------------#' +################################################################################ +# Check if innodb_log_file_size can be accessed with and without @@ sign # +################################################################################ + +SELECT COUNT(@@innodb_use_native_aio); +--echo 1 Expected + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@local.innodb_use_native_aio); +--echo Expected error 'Variable is a GLOBAL variable' + +--Error ER_INCORRECT_GLOBAL_LOCAL_VAR +SELECT COUNT(@@SESSION.innodb_use_native_aio); +--echo Expected error 'Variable is a GLOBAL variable' + +SELECT COUNT(@@GLOBAL.innodb_use_native_aio); +--echo 1 Expected + +--Error ER_BAD_FIELD_ERROR +SELECT innodb_use_native_aio = @@SESSION.innodb_use_native_aio; +--echo Expected error 'Readonly variable' + + From bb646f6937d13998e9a2f94ad45becffaa7d2a2b Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 30 Apr 2010 20:47:57 +1000 Subject: [PATCH 251/400] Fix whitespace. --- storage/innobase/handler/i_s.cc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index ed429a9175f..07a6381b100 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -1311,9 +1311,9 @@ static ST_FIELD_INFO i_s_cmpmem_fields_info[] = STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), STRUCT_FLD(field_type, MYSQL_TYPE_LONG), STRUCT_FLD(value, 0), - STRUCT_FLD(field_flags, 0), + STRUCT_FLD(field_flags, 0), STRUCT_FLD(old_name, "Buffer Pool Id"), - STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, {STRUCT_FLD(field_name, "pages_used"), STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), @@ -1345,7 +1345,7 @@ static ST_FIELD_INFO i_s_cmpmem_fields_info[] = STRUCT_FLD(value, 0), STRUCT_FLD(field_flags, 0), STRUCT_FLD(old_name, "Total Duration of Relocations," - " in Seconds"), + " in Seconds"), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, END_OF_ST_FIELD_INFO From 657e720bac54001a0a61383ce2abf92df481f3e8 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 30 Apr 2010 20:54:56 +1000 Subject: [PATCH 252/400] Fix Bug#52983. --- storage/innobase/srv/srv0srv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 86e80cdd7fb..a07fa85c804 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2065,7 +2065,7 @@ srv_export_innodb_status(void) export_vars.innodb_buffer_pool_pages_latched = buf_get_latched_pages_number(); #endif /* UNIV_DEBUG */ - export_vars.innodb_buffer_pool_pages_total = buf_pool_get_curr_size(); + export_vars.innodb_buffer_pool_pages_total = buf_pool_get_n_pages(); export_vars.innodb_buffer_pool_pages_misc = buf_pool_get_curr_size(); #ifdef HAVE_ATOMIC_BUILTINS From 914364481eeeb9664bfffa969e9c03fc98537ea7 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 30 Apr 2010 21:00:21 +1000 Subject: [PATCH 253/400] Fix Bug#52983. --- storage/innobase/srv/srv0srv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index a07fa85c804..3974d295ba8 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2067,7 +2067,8 @@ srv_export_innodb_status(void) #endif /* UNIV_DEBUG */ export_vars.innodb_buffer_pool_pages_total = buf_pool_get_n_pages(); - export_vars.innodb_buffer_pool_pages_misc = buf_pool_get_curr_size(); + export_vars.innodb_buffer_pool_pages_misc + = buf_pool_get_n_pages() - LRU_len - free_len #ifdef HAVE_ATOMIC_BUILTINS export_vars.innodb_have_atomic_builtins = 1; #else From 734e87ff7b59a13183bb1defaa53b5231e477f1f Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Fri, 30 Apr 2010 21:38:12 +1000 Subject: [PATCH 254/400] Add missing semi-colon. --- storage/innobase/srv/srv0srv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 3974d295ba8..9ddb7a2f046 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2068,7 +2068,7 @@ srv_export_innodb_status(void) export_vars.innodb_buffer_pool_pages_total = buf_pool_get_n_pages(); export_vars.innodb_buffer_pool_pages_misc - = buf_pool_get_n_pages() - LRU_len - free_len + = buf_pool_get_n_pages() - LRU_len - free_len; #ifdef HAVE_ATOMIC_BUILTINS export_vars.innodb_have_atomic_builtins = 1; #else From 49b2c09248397f438a29d23ec3e1ec2f28db2988 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Sat, 1 May 2010 07:54:14 +1000 Subject: [PATCH 255/400] Fix failing tests. --- mysql-test/suite/innodb/t/innodb-autoinc-44030.test | 9 +++++++++ mysql-test/suite/innodb/t/innodb-autoinc.test | 10 ++++++++++ 2 files changed, 19 insertions(+) diff --git a/mysql-test/suite/innodb/t/innodb-autoinc-44030.test b/mysql-test/suite/innodb/t/innodb-autoinc-44030.test index 02c50ee6ef3..17c836004a1 100644 --- a/mysql-test/suite/innodb/t/innodb-autoinc-44030.test +++ b/mysql-test/suite/innodb/t/innodb-autoinc-44030.test @@ -2,6 +2,8 @@ # embedded server ignores 'delayed', so skip this -- source include/not_embedded.inc +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; + --disable_warnings drop table if exists t1; --enable_warnings @@ -32,3 +34,10 @@ SHOW CREATE TABLE t1; INSERT INTO t1 VALUES(null); SELECT * FROM t1; DROP TABLE t1; + +# +# restore environment to the state it was before this test execution +# + +-- disable_query_log +eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; diff --git a/mysql-test/suite/innodb/t/innodb-autoinc.test b/mysql-test/suite/innodb/t/innodb-autoinc.test index ef0359b78b0..c1cae16153e 100644 --- a/mysql-test/suite/innodb/t/innodb-autoinc.test +++ b/mysql-test/suite/innodb/t/innodb-autoinc.test @@ -2,6 +2,8 @@ # embedded server ignores 'delayed', so skip this -- source include/not_embedded.inc +let $innodb_file_format_check_orig=`select @@innodb_file_format_check`; + --disable_warnings drop table if exists t1; --enable_warnings @@ -662,3 +664,11 @@ INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL); SELECT * FROM t1; SHOW CREATE TABLE t1; DROP TABLE t1; + + +# +# restore environment to the state it was before this test execution +# + +-- disable_query_log +eval SET GLOBAL innodb_file_format_check=$innodb_file_format_check_orig; From 66ae1b9aaa5cd450dd1369b5227d06d03a95a90d Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Tue, 4 May 2010 10:07:51 +1000 Subject: [PATCH 256/400] Set the slot to NULL when creating a query thread. --- storage/innobase/que/que0que.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/storage/innobase/que/que0que.c b/storage/innobase/que/que0que.c index 83c71dc5b18..e4f7c8edca1 100644 --- a/storage/innobase/que/que0que.c +++ b/storage/innobase/que/que0que.c @@ -225,6 +225,8 @@ que_thr_create( thr->resource = 0; thr->lock_state = QUE_THR_LOCK_NOLOCK; + thr->slot = NULL; + UT_LIST_ADD_LAST(thrs, parent->thrs, thr); return(thr); From 46b1ee73307c1ef44da8bb206aaf88552a828a2e Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 12:40:41 +0300 Subject: [PATCH 257/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3415 revision-id: calvin.sun@oracle.com-20100422191614-2atswbilyyxep6rm parent: marko.makela@oracle.com-20100422093342-jf9ojlzdqsdebohn committer: Calvin Sun branch nick: mysql-5.1-innodb timestamp: Thu 2010-04-22 14:16:14 -0500 message: mysql-5.1-innodb: add error codes to innodb_bug51920.test kill of active connection yields different error code depending on platform. modified: mysql-test/suite/innodb/r/innodb_bug51920.result 6918@cee13dc7-1704-0410-992b-c9b4543f1246:branches%2F5.1%2Fmysql-test%2Finnodb_bug51920.result mysql-test/suite/innodb/t/innodb_bug51920.test 6918@cee13dc7-1704-0410-992b-c9b4543f1246:branches%2F5.1%2Fmysql-test%2Finnodb_bug51920.test mysql-test/suite/innodb_plugin/r/innodb_bug51920.result 6919@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb_bug51920.result mysql-test/suite/innodb_plugin/t/innodb_bug51920.test 6919@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Fmysql-test%2Finnodb_bug51920.test ------------------------------------------------------------ --- mysql-test/suite/innodb/r/innodb_bug51920.result | 2 +- mysql-test/suite/innodb/t/innodb_bug51920.test | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb_bug51920.result b/mysql-test/suite/innodb/r/innodb_bug51920.result index 4c2ec3e01e5..7ded141c239 100644 --- a/mysql-test/suite/innodb/r/innodb_bug51920.result +++ b/mysql-test/suite/innodb/r/innodb_bug51920.result @@ -9,5 +9,5 @@ SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO="UPDATE bug51920 SET i=2" INTO @thread_id; KILL @thread_id; -ERROR 70100: Query execution was interrupted +Got one of the listed errors DROP TABLE bug51920; diff --git a/mysql-test/suite/innodb/t/innodb_bug51920.test b/mysql-test/suite/innodb/t/innodb_bug51920.test index 05c884134be..bc3bb006c1c 100644 --- a/mysql-test/suite/innodb/t/innodb_bug51920.test +++ b/mysql-test/suite/innodb/t/innodb_bug51920.test @@ -31,8 +31,12 @@ let $wait_condition = SELECT COUNT(*)=0 FROM information_schema.processlist WHERE ID=@thread_id; -- source include/wait_condition.inc +# +# Bug#19723: kill of active connection yields different error code +# depending on platform. +# connection con1; --- error ER_QUERY_INTERRUPTED +-- error 1317, 2006, 2013 reap; connection default; DROP TABLE bug51920; From 865df630ab0ac384a7657d4d28a016b53b71c2ee Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 12:46:25 +0300 Subject: [PATCH 258/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3416 revision-id: marko.makela@oracle.com-20100426073949-txnbqldrl9fdlapx parent: calvin.sun@oracle.com-20100422191614-2atswbilyyxep6rm committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-04-26 10:39:49 +0300 message: btr_page_split_and_insert(): Silence a compiler warning about possibly uninitialized variable insert_left. modified: storage/innodb_plugin/btr/btr0btr.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0btr.c ------------------------------------------------------------ --- storage/innobase/btr/btr0btr.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/storage/innobase/btr/btr0btr.c b/storage/innobase/btr/btr0btr.c index 97a6bf859c9..4473d3d2cc2 100644 --- a/storage/innobase/btr/btr0btr.c +++ b/storage/innobase/btr/btr0btr.c @@ -1936,6 +1936,7 @@ func_start: /* 1. Decide the split record; split_rec == NULL means that the tuple to be inserted should be the first record on the upper half-page */ + insert_left = FALSE; if (n_iterations > 0) { direction = FSP_UP; @@ -1949,7 +1950,6 @@ func_start: } else if (btr_page_get_split_rec_to_right(cursor, &split_rec)) { direction = FSP_UP; hint_page_no = page_no + 1; - insert_left = FALSE; } else if (btr_page_get_split_rec_to_left(cursor, &split_rec)) { direction = FSP_DOWN; @@ -1972,13 +1972,9 @@ func_start: page_get_infimum_rec(page)); } else { split_rec = NULL; - insert_left = FALSE; } } - /* At this point, insert_left is initialized if split_rec == NULL - and may be uninitialized otherwise. */ - /* 2. Allocate a new page to the index */ new_block = btr_page_alloc(cursor->index, hint_page_no, direction, btr_page_get_level(page, mtr), mtr); From 5d2f6e7c942a5d0eeced5d27fbdabdfab4ac2167 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 12:51:25 +0300 Subject: [PATCH 259/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3417 revision-id: marko.makela@oracle.com-20100426102725-as2vc44ddykg1786 parent: marko.makela@oracle.com-20100426073949-txnbqldrl9fdlapx committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-04-26 13:27:25 +0300 message: row_search_for_mysql(): Never try semi-consistent read in unique searches. They are only useful in table scans. (Bug #52663) added: mysql-test/suite/innodb/r/innodb_bug52663.result innodb_bug52663.resu-20100426102328-fymyevkummgyc3gm-1 mysql-test/suite/innodb/t/innodb_bug52663-master.opt innodb_bug52663maste-20100426102328-fymyevkummgyc3gm-2 mysql-test/suite/innodb/t/innodb_bug52663.test innodb_bug52663.test-20100426102328-fymyevkummgyc3gm-3 mysql-test/suite/innodb_plugin/r/innodb_bug52663.result innodb_bug52663.resu-20100426102328-fymyevkummgyc3gm-4 mysql-test/suite/innodb_plugin/t/innodb_bug52663.test innodb_bug52663.test-20100426102328-fymyevkummgyc3gm-5 modified: storage/innobase/row/row0sel.c 2@cee13dc7-1704-0410-992b-c9b4543f1246:trunk%2Frow%2Frow0sel.c storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/row/row0sel.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frow%2Frow0sel.c ------------------------------------------------------------ --- .../suite/innodb/r/innodb_bug52663.result | 26 ++++++++++++++ .../suite/innodb/t/innodb_bug52663.test | 34 +++++++++++++++++++ storage/innobase/row/row0sel.c | 1 + 3 files changed, 61 insertions(+) create mode 100644 mysql-test/suite/innodb/r/innodb_bug52663.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug52663.test diff --git a/mysql-test/suite/innodb/r/innodb_bug52663.result b/mysql-test/suite/innodb/r/innodb_bug52663.result new file mode 100644 index 00000000000..89add18617b --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug52663.result @@ -0,0 +1,26 @@ +set session transaction isolation level read committed; +create table innodb_bug52663 (what varchar(5), id integer, count integer, primary key +(what, id)) engine=innodb; +insert into innodb_bug52663 values ('total', 0, 0); +begin; +set session transaction isolation level read committed; +begin; +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +select * from innodb_bug52663; +what id count +total 0 1 +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +select * from innodb_bug52663; +what id count +total 0 0 +commit; +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +commit; +select * from innodb_bug52663; +what id count +total 0 2 +select * from innodb_bug52663; +what id count +total 0 2 +drop table innodb_bug52663; diff --git a/mysql-test/suite/innodb/t/innodb_bug52663.test b/mysql-test/suite/innodb/t/innodb_bug52663.test new file mode 100644 index 00000000000..927044fb2ca --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug52663.test @@ -0,0 +1,34 @@ +--source include/have_innodb_plugin.inc + +set session transaction isolation level read committed; + +create table innodb_bug52663 (what varchar(5), id integer, count integer, primary key +(what, id)) engine=innodb; +insert into innodb_bug52663 values ('total', 0, 0); +begin; + +connect (addconroot, localhost, root,,); +connection addconroot; +set session transaction isolation level read committed; +begin; + +connection default; +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +select * from innodb_bug52663; + +connection addconroot; +--error ER_LOCK_WAIT_TIMEOUT +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +select * from innodb_bug52663; + +connection default; +commit; + +connection addconroot; +update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0; +commit; +select * from innodb_bug52663; + +connection default; +select * from innodb_bug52663; +drop table innodb_bug52663; diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c index 16d4f2f7bfd..92ecca2c75d 100644 --- a/storage/innobase/row/row0sel.c +++ b/storage/innobase/row/row0sel.c @@ -4027,6 +4027,7 @@ no_gap_lock: case DB_LOCK_WAIT: if (UNIV_LIKELY(prebuilt->row_read_type != ROW_READ_TRY_SEMI_CONSISTENT) + || unique_search || index != clust_index) { goto lock_wait_or_error; From f6181a3e76ea8fc28f4215db807d41f4331860cc Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:15:46 +0300 Subject: [PATCH 260/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3419 revision-id: marko.makela@oracle.com-20100426110856-14tc8re1f5kp5j3g parent: marko.makela@oracle.com-20100426105215-2e9nzq8z0nfwxjky committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-04-26 14:08:56 +0300 message: Add a test case for Bug #52745. added: mysql-test/suite/innodb_plugin/r/innodb_bug52745.result innodb_bug52745.resu-20100426110444-2211220xcgz0el4v-1 mysql-test/suite/innodb_plugin/t/innodb_bug52745.test innodb_bug52745.test-20100426110444-2211220xcgz0el4v-2 ------------------------------------------------------------ --- .../suite/innodb/r/innodb_bug52745.result | 130 ++++++++++++++++++ .../suite/innodb/t/innodb_bug52745.test | 109 +++++++++++++++ 2 files changed, 239 insertions(+) create mode 100644 mysql-test/suite/innodb/r/innodb_bug52745.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug52745.test diff --git a/mysql-test/suite/innodb/r/innodb_bug52745.result b/mysql-test/suite/innodb/r/innodb_bug52745.result new file mode 100644 index 00000000000..254c6525257 --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug52745.result @@ -0,0 +1,130 @@ +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; +CREATE TABLE bug52745 ( +a2 int(10) unsigned DEFAULT NULL, +col37 time DEFAULT NULL, +col38 char(229) CHARACTER SET utf8 DEFAULT NULL, +col39 text, +col40 timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, +col41 int(10) unsigned DEFAULT NULL, +col42 varchar(248) CHARACTER SET utf8 DEFAULT NULL, +col43 smallint(5) unsigned zerofill DEFAULT NULL, +col44 varchar(150) CHARACTER SET utf8 DEFAULT NULL, +col45 float unsigned zerofill DEFAULT NULL, +col46 binary(1) DEFAULT NULL, +col47 tinyint(4) DEFAULT NULL, +col48 tinyint(1) DEFAULT NULL, +col49 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', +col50 binary(1) DEFAULT NULL, +col51 double unsigned zerofill DEFAULT NULL, +col52 int(10) unsigned DEFAULT NULL, +col53 time DEFAULT NULL, +col54 double unsigned DEFAULT NULL, +col55 time DEFAULT NULL, +col56 mediumtext CHARACTER SET latin2, +col57 blob, +col58 decimal(52,16) unsigned zerofill NOT NULL DEFAULT '000000000000000000000000000000000000.0000000000000000', +col59 binary(1) DEFAULT NULL, +col60 longblob, +col61 time DEFAULT NULL, +col62 longtext CHARACTER SET utf8 COLLATE utf8_persian_ci, +col63 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', +col64 int(10) unsigned DEFAULT NULL, +col65 date DEFAULT NULL, +col66 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', +col67 binary(1) DEFAULT NULL, +col68 tinyblob, +col69 date DEFAULT NULL, +col70 tinyint(3) unsigned zerofill DEFAULT NULL, +col71 varchar(44) CHARACTER SET utf8 DEFAULT NULL, +col72 datetime DEFAULT NULL, +col73 smallint(5) unsigned zerofill DEFAULT NULL, +col74 longblob, +col75 bit(34) DEFAULT NULL, +col76 float unsigned zerofill DEFAULT NULL, +col77 year(2) DEFAULT NULL, +col78 tinyint(3) unsigned DEFAULT NULL, +col79 set('msfheowh','tbpxbgf','by','wahnrjw','myqfasxz','rsokyumrt') CHARACTER SET latin2 DEFAULT NULL, +col80 datetime DEFAULT NULL, +col81 smallint(6) DEFAULT NULL, +col82 enum('xtaurnqfqz','rifrse','kuzwpbvb','niisabk','zxavro','rbvasv','','uulrfaove','','') DEFAULT NULL, +col83 bigint(20) unsigned zerofill DEFAULT NULL, +col84 float unsigned zerofill DEFAULT NULL, +col85 double DEFAULT NULL, +col86 enum('ylannv','','vlkhycqc','snke','cxifustp','xiaxaswzp','oxl') CHARACTER SET latin1 COLLATE latin1_german2_ci DEFAULT NULL, +col87 varbinary(221) DEFAULT NULL, +col88 double unsigned DEFAULT NULL, +col89 float unsigned zerofill DEFAULT NULL, +col90 tinyblob +) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; +Warnings: +Note 1291 Column 'col82' has duplicated value '' in ENUM +Note 1291 Column 'col82' has duplicated value '' in ENUM +INSERT INTO bug52745 SET +col40='0000-00-00 00:00:00', +col51=16547, +col53='7711484', +col54=-28604, +col55='7112612', +col56='wakefulness\'', +col57=repeat('absorbefacient\'',106), +col58=11027, +col59='AM09gW7', +col60=repeat('Noelani\'',16), +col61='2520576', +col62='substitutiv', +col63='19950106155112', +col64=-12038, +col65='86238806', +col66='19600719080256', +col68=repeat('Sagittarius\'',54), +col69='38943902', +col70=1232, +col71='Elora\'', +col74=repeat('zipp',11), +col75='0', +col76=23254, +col78=13247, +col79='56219', +col80='20500609035724', +col81=11632, +col82=7, +col84=-23863, +col85=6341, +col87='HZdkf.4 s7t,5Rmq 8so fmr,ruGLUG25TrtI.yQ 2SuHq0ML7rw7.4 b2yf2E5TJxOtBBZImezDnzpj,uPYfznnEUDN1e9aQoO 2DsplB7TFWy oQJ br HLF :F,eQ p4i1oWsr lL3PG,hjCz6hYqN h1QTjLCjrv:QCdSzpYBibJAtZCxLOk3l6Blsh.W', +col88=16894, +col89=6161, +col90=repeat('gale',48); +Warnings: +Warning 1265 Data truncated for column 'col53' at row 1 +Warning 1264 Out of range value for column 'col54' at row 1 +Warning 1265 Data truncated for column 'col59' at row 1 +Warning 1265 Data truncated for column 'col61' at row 1 +Warning 1264 Out of range value for column 'col64' at row 1 +Warning 1265 Data truncated for column 'col65' at row 1 +Warning 1264 Out of range value for column 'col66' at row 1 +Warning 1265 Data truncated for column 'col68' at row 1 +Warning 1265 Data truncated for column 'col69' at row 1 +Warning 1264 Out of range value for column 'col70' at row 1 +Warning 1264 Out of range value for column 'col78' at row 1 +Warning 1265 Data truncated for column 'col79' at row 1 +Warning 1264 Out of range value for column 'col84' at row 1 +SHOW WARNINGS; +Level Code Message +Warning 1265 Data truncated for column 'col53' at row 1 +Warning 1264 Out of range value for column 'col54' at row 1 +Warning 1265 Data truncated for column 'col59' at row 1 +Warning 1265 Data truncated for column 'col61' at row 1 +Warning 1264 Out of range value for column 'col64' at row 1 +Warning 1265 Data truncated for column 'col65' at row 1 +Warning 1264 Out of range value for column 'col66' at row 1 +Warning 1265 Data truncated for column 'col68' at row 1 +Warning 1265 Data truncated for column 'col69' at row 1 +Warning 1264 Out of range value for column 'col70' at row 1 +Warning 1264 Out of range value for column 'col78' at row 1 +Warning 1265 Data truncated for column 'col79' at row 1 +Warning 1264 Out of range value for column 'col84' at row 1 +DROP TABLE bug52745; +SET GLOBAL innodb_file_format=Antelope; +SET GLOBAL innodb_file_format_check=Antelope; +SET GLOBAL innodb_file_per_table=0; diff --git a/mysql-test/suite/innodb/t/innodb_bug52745.test b/mysql-test/suite/innodb/t/innodb_bug52745.test new file mode 100644 index 00000000000..b20a993a2d1 --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug52745.test @@ -0,0 +1,109 @@ +-- source include/have_innodb_plugin.inc + +let $file_format=`select @@innodb_file_format`; +let $file_format_check=`select @@innodb_file_format_check`; +let $file_per_table=`select @@innodb_file_per_table`; +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; + +CREATE TABLE bug52745 ( + a2 int(10) unsigned DEFAULT NULL, + col37 time DEFAULT NULL, + col38 char(229) CHARACTER SET utf8 DEFAULT NULL, + col39 text, + col40 timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, + col41 int(10) unsigned DEFAULT NULL, + col42 varchar(248) CHARACTER SET utf8 DEFAULT NULL, + col43 smallint(5) unsigned zerofill DEFAULT NULL, + col44 varchar(150) CHARACTER SET utf8 DEFAULT NULL, + col45 float unsigned zerofill DEFAULT NULL, + col46 binary(1) DEFAULT NULL, + col47 tinyint(4) DEFAULT NULL, + col48 tinyint(1) DEFAULT NULL, + col49 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', + col50 binary(1) DEFAULT NULL, + col51 double unsigned zerofill DEFAULT NULL, + col52 int(10) unsigned DEFAULT NULL, + col53 time DEFAULT NULL, + col54 double unsigned DEFAULT NULL, + col55 time DEFAULT NULL, + col56 mediumtext CHARACTER SET latin2, + col57 blob, + col58 decimal(52,16) unsigned zerofill NOT NULL DEFAULT '000000000000000000000000000000000000.0000000000000000', + col59 binary(1) DEFAULT NULL, + col60 longblob, + col61 time DEFAULT NULL, + col62 longtext CHARACTER SET utf8 COLLATE utf8_persian_ci, + col63 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', + col64 int(10) unsigned DEFAULT NULL, + col65 date DEFAULT NULL, + col66 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', + col67 binary(1) DEFAULT NULL, + col68 tinyblob, + col69 date DEFAULT NULL, + col70 tinyint(3) unsigned zerofill DEFAULT NULL, + col71 varchar(44) CHARACTER SET utf8 DEFAULT NULL, + col72 datetime DEFAULT NULL, + col73 smallint(5) unsigned zerofill DEFAULT NULL, + col74 longblob, + col75 bit(34) DEFAULT NULL, + col76 float unsigned zerofill DEFAULT NULL, + col77 year(2) DEFAULT NULL, + col78 tinyint(3) unsigned DEFAULT NULL, + col79 set('msfheowh','tbpxbgf','by','wahnrjw','myqfasxz','rsokyumrt') CHARACTER SET latin2 DEFAULT NULL, + col80 datetime DEFAULT NULL, + col81 smallint(6) DEFAULT NULL, + col82 enum('xtaurnqfqz','rifrse','kuzwpbvb','niisabk','zxavro','rbvasv','','uulrfaove','','') DEFAULT NULL, + col83 bigint(20) unsigned zerofill DEFAULT NULL, + col84 float unsigned zerofill DEFAULT NULL, + col85 double DEFAULT NULL, + col86 enum('ylannv','','vlkhycqc','snke','cxifustp','xiaxaswzp','oxl') CHARACTER SET latin1 COLLATE latin1_german2_ci DEFAULT NULL, + col87 varbinary(221) DEFAULT NULL, + col88 double unsigned DEFAULT NULL, + col89 float unsigned zerofill DEFAULT NULL, + col90 tinyblob +) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; + +INSERT INTO bug52745 SET +col40='0000-00-00 00:00:00', +col51=16547, +col53='7711484', +col54=-28604, +col55='7112612', +col56='wakefulness\'', +col57=repeat('absorbefacient\'',106), +col58=11027, +col59='AM09gW7', +col60=repeat('Noelani\'',16), +col61='2520576', +col62='substitutiv', +col63='19950106155112', +col64=-12038, +col65='86238806', +col66='19600719080256', +col68=repeat('Sagittarius\'',54), +col69='38943902', +col70=1232, +col71='Elora\'', +col74=repeat('zipp',11), +col75='0', +col76=23254, +col78=13247, +col79='56219', +col80='20500609035724', +col81=11632, +col82=7, +col84=-23863, +col85=6341, +col87='HZdkf.4 s7t,5Rmq 8so fmr,ruGLUG25TrtI.yQ 2SuHq0ML7rw7.4 b2yf2E5TJxOtBBZImezDnzpj,uPYfznnEUDN1e9aQoO 2DsplB7TFWy oQJ br HLF :F,eQ p4i1oWsr lL3PG,hjCz6hYqN h1QTjLCjrv:QCdSzpYBibJAtZCxLOk3l6Blsh.W', +col88=16894, +col89=6161, +col90=repeat('gale',48); + +SHOW WARNINGS; + +DROP TABLE bug52745; + +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_format_check=$file_format_check; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; From fe6f052cfaa03a1094c1994bddf289a2bcf898c2 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:17:26 +0300 Subject: [PATCH 261/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3420 revision-id: marko.makela@oracle.com-20100426112609-f7lgl8crw4x4sfkk parent: marko.makela@oracle.com-20100426110856-14tc8re1f5kp5j3g committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-04-26 14:26:09 +0300 message: recv_sys_init(): Skip the red-black tree in Hot Backup. modified: storage/innodb_plugin/log/log0recv.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Flog%2Flog0recv.c ------------------------------------------------------------ --- storage/innobase/log/log0recv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/log/log0recv.c b/storage/innobase/log/log0recv.c index 04c06f62df5..3a070515c37 100644 --- a/storage/innobase/log/log0recv.c +++ b/storage/innobase/log/log0recv.c @@ -309,12 +309,12 @@ recv_sys_init( flush_list during recovery process. As this initialization is done while holding the buffer pool mutex we perform it before acquiring recv_sys->mutex. */ +#ifndef UNIV_HOTBACKUP buf_flush_init_flush_rbt(); #endif /* !UNIV_HOTBACKUP */ mutex_enter(&(recv_sys->mutex)); -#ifndef UNIV_HOTBACKUP recv_sys->heap = mem_heap_create_in_buffer(256); #else /* !UNIV_HOTBACKUP */ recv_sys->heap = mem_heap_create(256); From 5c4fc7f0752ef7f324309d0753874039c3441067 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:19:37 +0300 Subject: [PATCH 262/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3421 revision-id: marko.makela@oracle.com-20100426131029-1ffja69h6n88q6bo parent: marko.makela@oracle.com-20100426112609-f7lgl8crw4x4sfkk committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-04-26 16:10:29 +0300 message: lock_rec_queue_validate(): Disable a bogus check that a transaction that holds a lock on a clustered index record also holds a lock on the secondary index record. modified: storage/innobase/lock/lock0lock.c 2@cee13dc7-1704-0410-992b-c9b4543f1246:trunk%2Flock%2Flock0lock.c storage/innodb_plugin/lock/lock0lock.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Flock%2Flock0lock.c ------------------------------------------------------------ --- storage/innobase/lock/lock0lock.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/storage/innobase/lock/lock0lock.c b/storage/innobase/lock/lock0lock.c index d5fff572aee..3c740df97ff 100644 --- a/storage/innobase/lock/lock0lock.c +++ b/storage/innobase/lock/lock0lock.c @@ -4710,6 +4710,7 @@ lock_rec_queue_validate( ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, block, heap_no, impl_trx)); } +#if 0 } else { /* The kernel mutex may get released temporarily in the @@ -4720,6 +4721,27 @@ lock_rec_queue_validate( (fil_space_t::latch), the following check WILL break latching order and may cause a deadlock of threads. */ + /* NOTE: This is a bogus check that would fail in the + following case: Our transaction is updating a + row. After it has updated the clustered index record, + it goes to a secondary index record and finds someone + else holding an explicit S- or X-lock on that + secondary index record, presumably from a locking + read. Our transaction cannot update the secondary + index immediately, but places a waiting X-lock request + on the secondary index record. There is nothing + illegal in this. The assertion is simply too strong. */ + + /* From the locking point of view, each secondary + index is a separate table. A lock that is held on + secondary index rec does not give any rights to modify + or read the clustered index rec. Therefore, we can + think of the sec index as a separate 'table' from the + clust index 'table'. Conversely, a transaction that + has acquired a lock on and modified a clustered index + record may need to wait for a lock on the + corresponding record in a secondary index. */ + impl_trx = lock_sec_rec_some_has_impl_off_kernel( rec, index, offsets); @@ -4730,6 +4752,7 @@ lock_rec_queue_validate( ut_a(lock_rec_has_expl(LOCK_X | LOCK_REC_NOT_GAP, block, heap_no, impl_trx)); } +#endif } lock = lock_rec_get_first(block, heap_no); From ef5b7c2e894fd2e152e7e89fa40e3f05886c0b07 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:21:33 +0300 Subject: [PATCH 263/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3422 revision-id: marko.makela@oracle.com-20100427134738-1poi5n4hn29ndne5 parent: marko.makela@oracle.com-20100426131029-1ffja69h6n88q6bo committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-04-27 16:47:38 +0300 message: row_merge_drop_temp_indexes(): Remove a bogus char-to-ulint cast. modified: storage/innodb_plugin/row/row0merge.c 1414@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2Frow%2Frow0merge.c ------------------------------------------------------------ --- storage/innobase/row/row0merge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 908d142c98f..5d85931a982 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -2094,7 +2094,7 @@ row_merge_drop_temp_indexes(void) field = rec_get_nth_field_old(rec, DICT_SYS_INDEXES_NAME_FIELD, &len); if (len == UNIV_SQL_NULL || len == 0 - || mach_read_from_1(field) != (ulint) TEMP_INDEX_PREFIX) { + || (char) *field != TEMP_INDEX_PREFIX) { continue; } From 7e2acd223d9d3fcb0493c7f77785f78abba38795 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:46:29 +0300 Subject: [PATCH 264/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3430 revision-id: vasil.dimov@oracle.com-20100428103452-6btsq4xv6v1etb5b parent: vasil.dimov@oracle.com-20100428103200-vs5nzx245sv2qy7n committer: Vasil Dimov branch nick: mysql-5.1-innodb timestamp: Wed 2010-04-28 13:34:52 +0300 message: Bug#53046 dict_update_statistics_low can still be run concurrently on same table Followup to vasil.dimov@oracle.com-20100428102033-dt3caf531rs3lidr : Add more asserions, which I forgot. modified: storage/innodb_plugin/dict/dict0dict.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0dict.c ------------------------------------------------------------ revno: 3429 revision-id: vasil.dimov@oracle.com-20100428103200-vs5nzx245sv2qy7n parent: vasil.dimov@oracle.com-20100428102033-dt3caf531rs3lidr committer: Vasil Dimov branch nick: mysql-5.1-innodb timestamp: Wed 2010-04-28 13:32:00 +0300 message: Revert the fix of Bug#38996 Race condition in ANALYZE TABLE This is branches/zip@r6032 in SVN and _is part_ of revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6113 in BZR. This is being reverted because now the code is serialized directly on index->stat_n_diff_key_vals[] as the fix for Bug#53046 dict_update_statistics_low can still be run concurrently on same table goes. modified: storage/innodb_plugin/handler/ha_innodb.cc 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fhandler%2Fha_innodb.cc ------------------------------------------------------------ revno: 3428 revision-id: vasil.dimov@oracle.com-20100428102033-dt3caf531rs3lidr parent: vasil.dimov@oracle.com-20100428084627-wtrmc66wqvjsdgj7 committer: Vasil Dimov branch nick: mysql-5.1-innodb timestamp: Wed 2010-04-28 13:20:33 +0300 message: Followup to vasil.dimov@oracle.com-20100428084627-wtrmc66wqvjsdgj7: Address Marko's suggestions wrt the fix of Bug#53046 dict_update_statistics_low can still be run concurrently on same table modified: storage/innodb_plugin/dict/dict0dict.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0dict.c ------------------------------------------------------------ revno: 3427 revision-id: vasil.dimov@oracle.com-20100428084627-wtrmc66wqvjsdgj7 parent: mmakela@bk-internal.mysql.com-20100428063325-irts4ze9et5bsqdq committer: Vasil Dimov branch nick: mysql-5.1-innodb timestamp: Wed 2010-04-28 11:46:27 +0300 message: Fix Bug#53046 dict_update_statistics_low can still be run concurrently on same table Protect dict_index_t::stat_n_diff_key_vals[] with an array of mutexes. Testing: tested all code paths under UNIV_SYNC_DEBUG for the one in dict_print() one has to enable the InnoDB table monitor: CREATE TABLE innodb_table_monitor (a int) ENGINE=INNODB; modified: storage/innodb_plugin/btr/btr0cur.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0cur.c storage/innodb_plugin/dict/dict0dict.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fdict%2Fdict0dict.c storage/innodb_plugin/handler/ha_innodb.cc 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fhandler%2Fha_innodb.cc storage/innodb_plugin/include/dict0dict.h 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Fdict0dict.h ------------------------------------------------------------ --- storage/innobase/btr/btr0cur.c | 4 ++ storage/innobase/dict/dict0dict.c | 61 +++++++++++++++++++++++++++ storage/innobase/handler/ha_innodb.cc | 15 ++----- storage/innobase/include/dict0dict.h | 16 +++++++ 4 files changed, 85 insertions(+), 11 deletions(-) diff --git a/storage/innobase/btr/btr0cur.c b/storage/innobase/btr/btr0cur.c index 9293fc151ae..af64be25e9a 100644 --- a/storage/innobase/btr/btr0cur.c +++ b/storage/innobase/btr/btr0cur.c @@ -3477,6 +3477,8 @@ btr_estimate_number_of_different_key_vals( also the pages used for external storage of fields (those pages are included in index->stat_n_leaf_pages) */ + dict_index_stat_mutex_enter(index); + for (j = 0; j <= n_cols; j++) { index->stat_n_diff_key_vals[j] = ((n_diff[j] @@ -3506,6 +3508,8 @@ btr_estimate_number_of_different_key_vals( index->stat_n_diff_key_vals[j] += add_on; } + dict_index_stat_mutex_exit(index); + mem_free(n_diff); if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c index a58ca2e7802..0ecb286cf78 100644 --- a/storage/innobase/dict/dict0dict.c +++ b/storage/innobase/dict/dict0dict.c @@ -91,6 +91,10 @@ UNIV_INTERN mysql_pfs_key_t dict_foreign_err_mutex_key; /** Identifies generated InnoDB foreign key names */ static char dict_ibfk[] = "_ibfk_"; +/** array of mutexes protecting dict_index_t::stat_n_diff_key_vals[] */ +#define DICT_INDEX_STAT_MUTEX_SIZE 32 +mutex_t dict_index_stat_mutex[DICT_INDEX_STAT_MUTEX_SIZE]; + /*******************************************************************//** Tries to find column names for the index and sets the col field of the index. @@ -250,6 +254,45 @@ dict_mutex_exit_for_mysql(void) mutex_exit(&(dict_sys->mutex)); } +/** Get the mutex that protects index->stat_n_diff_key_vals[] */ +#define GET_INDEX_STAT_MUTEX(index) \ + (&dict_index_stat_mutex[ut_fold_dulint(index->id) \ + % DICT_INDEX_STAT_MUTEX_SIZE]) + +/**********************************************************************//** +Lock the appropriate mutex to protect index->stat_n_diff_key_vals[]. +index->id is used to pick the right mutex and it should not change +before dict_index_stat_mutex_exit() is called on this index. */ +UNIV_INTERN +void +dict_index_stat_mutex_enter( +/*========================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index != NULL); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(index->cached); + ut_ad(!index->to_be_dropped); + + mutex_enter(GET_INDEX_STAT_MUTEX(index)); +} + +/**********************************************************************//** +Unlock the appropriate mutex that protects index->stat_n_diff_key_vals[]. */ +UNIV_INTERN +void +dict_index_stat_mutex_exit( +/*=======================*/ + const dict_index_t* index) /*!< in: index */ +{ + ut_ad(index != NULL); + ut_ad(index->magic_n == DICT_INDEX_MAGIC_N); + ut_ad(index->cached); + ut_ad(!index->to_be_dropped); + + mutex_exit(GET_INDEX_STAT_MUTEX(index)); +} + /********************************************************************//** Decrements the count of open MySQL handles to a table. */ UNIV_INTERN @@ -616,6 +659,8 @@ void dict_init(void) /*===========*/ { + int i; + dict_sys = mem_alloc(sizeof(dict_sys_t)); mutex_create(dict_sys_mutex_key, &dict_sys->mutex, SYNC_DICT); @@ -638,6 +683,10 @@ dict_init(void) mutex_create(dict_foreign_err_mutex_key, &dict_foreign_err_mutex, SYNC_ANY_LATCH); + + for (i = 0; i < DICT_INDEX_STAT_MUTEX_SIZE; i++) { + mutex_create(&dict_index_stat_mutex[i], SYNC_INDEX_TREE); + } } /**********************************************************************//** @@ -4185,9 +4234,13 @@ dict_update_statistics_low( index = dict_table_get_first_index(table); + dict_index_stat_mutex_enter(index); + table->stat_n_rows = index->stat_n_diff_key_vals[ dict_index_get_n_unique(index)]; + dict_index_stat_mutex_exit(index); + table->stat_clustered_index_size = index->stat_index_size; table->stat_sum_of_other_index_sizes = sum_of_index_sizes @@ -4365,6 +4418,8 @@ dict_index_print_low( ut_ad(mutex_own(&(dict_sys->mutex))); + dict_index_stat_mutex_enter(index); + if (index->n_user_defined_cols > 0) { n_vals = index->stat_n_diff_key_vals[ index->n_user_defined_cols]; @@ -4372,6 +4427,8 @@ dict_index_print_low( n_vals = index->stat_n_diff_key_vals[1]; } + dict_index_stat_mutex_exit(index); + if (dict_index_is_clust(index)) { type_string = "clustered index"; } else if (dict_index_is_unique(index)) { @@ -4867,5 +4924,9 @@ dict_close(void) mem_free(dict_sys); dict_sys = NULL; + + for (i = 0; i < DICT_INDEX_STAT_MUTEX_SIZE; i++) { + mutex_free(&dict_index_stat_mutex[i]); + } } #endif /* !UNIV_HOTBACKUP */ diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index cfc77e1c19a..67b6d4321fa 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -110,7 +110,6 @@ static ulong commit_threads = 0; static mysql_mutex_t commit_threads_m; static mysql_cond_t commit_cond; static mysql_mutex_t commit_cond_m; -static mysql_mutex_t analyze_mutex; static bool innodb_inited = 0; #define INSIDE_HA_INNOBASE_CC @@ -213,7 +212,6 @@ static mysql_pfs_key_t commit_cond_mutex_key; static mysql_pfs_key_t commit_cond_key; static PSI_mutex_info all_pthread_mutexes[] = { - {&analyze_mutex_key, "analyze_mutex", 0}, {&commit_threads_m_key, "commit_threads_m", 0}, {&commit_cond_mutex_key, "commit_cond_mutex", 0}, {&innobase_share_mutex_key, "innobase_share_mutex", 0}, @@ -2430,8 +2428,6 @@ innobase_change_buffering_inited_ok: &commit_threads_m, MY_MUTEX_INIT_FAST); mysql_mutex_init(commit_cond_mutex_key, &commit_cond_m, MY_MUTEX_INIT_FAST); - mysql_mutex_init(analyze_mutex_key, - &analyze_mutex, MY_MUTEX_INIT_FAST); mysql_cond_init(commit_cond_key, &commit_cond, NULL); innodb_inited= 1; #ifdef MYSQL_DYNAMIC_PLUGIN @@ -2486,7 +2482,6 @@ innobase_end( mysql_mutex_destroy(&prepare_commit_mutex); mysql_mutex_destroy(&commit_threads_m); mysql_mutex_destroy(&commit_cond_m); - mysql_mutex_destroy(&analyze_mutex); mysql_cond_destroy(&commit_cond); } @@ -7801,6 +7796,8 @@ ha_innobase::info( break; } + dict_index_stat_mutex_enter(index); + if (index->stat_n_diff_key_vals[j + 1] == 0) { rec_per_key = stats.records; @@ -7809,6 +7806,8 @@ ha_innobase::info( index->stat_n_diff_key_vals[j + 1]); } + dict_index_stat_mutex_exit(index); + /* Since MySQL seems to favor table scans too much over index searches, we pretend index selectivity is 2 times better than @@ -7863,15 +7862,9 @@ ha_innobase::analyze( THD* thd, /*!< in: connection thread handle */ HA_CHECK_OPT* check_opt) /*!< in: currently ignored */ { - /* Serialize ANALYZE TABLE inside InnoDB, see - Bug#38996 Race condition in ANALYZE TABLE */ - mysql_mutex_lock(&analyze_mutex); - /* Simply call ::info() with all the flags */ info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE); - mysql_mutex_unlock(&analyze_mutex); - return(0); } diff --git a/storage/innobase/include/dict0dict.h b/storage/innobase/include/dict0dict.h index 788616d682a..79dcbb30de2 100644 --- a/storage/innobase/include/dict0dict.h +++ b/storage/innobase/include/dict0dict.h @@ -1061,6 +1061,22 @@ UNIV_INTERN void dict_mutex_exit_for_mysql(void); /*===========================*/ +/**********************************************************************//** +Lock the appropriate mutex to protect index->stat_n_diff_key_vals[]. +index->id is used to pick the right mutex and it should not change +before dict_index_stat_mutex_exit() is called on this index. */ +UNIV_INTERN +void +dict_index_stat_mutex_enter( +/*========================*/ + const dict_index_t* index); /*!< in: index */ +/**********************************************************************//** +Unlock the appropriate mutex that protects index->stat_n_diff_key_vals[]. */ +UNIV_INTERN +void +dict_index_stat_mutex_exit( +/*=======================*/ + const dict_index_t* index); /*!< in: index */ /********************************************************************//** Checks if the database name in two table names is the same. @return TRUE if same db name */ From bd92052b8f3f861c50161ecfcca44bf08835250f Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:52:14 +0300 Subject: [PATCH 265/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3431 revision-id: mmakela@bk-internal.mysql.com-20100429132743-8rjjgoqbvddr2i5x parent: vasil.dimov@oracle.com-20100428103452-6btsq4xv6v1etb5b committer: Marko Makela branch nick: mysql-5.1-innodb timestamp: Thu 2010-04-29 15:27:43 +0200 message: Reduce the next-key locking of READ UNCOMMITTED to match that of READ COMMITTED in the InnoDB Plugin. (Bug #48607) modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/handler/ha_innodb.cc 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fhandler%2Fha_innodb.cc storage/innodb_plugin/lock/lock0lock.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Flock%2Flock0lock.c storage/innodb_plugin/row/row0mysql.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frow%2Frow0mysql.c storage/innodb_plugin/row/row0sel.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Frow%2Frow0sel.c ------------------------------------------------------------ --- storage/innobase/handler/ha_innodb.cc | 6 +++--- storage/innobase/lock/lock0lock.c | 2 +- storage/innobase/row/row0mysql.c | 2 +- storage/innobase/row/row0sel.c | 26 +++++++++++++------------- 4 files changed, 18 insertions(+), 18 deletions(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 67b6d4321fa..e798bcbfc44 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -5339,7 +5339,7 @@ ha_innobase::unlock_row(void) case ROW_READ_WITH_LOCKS: if (!srv_locks_unsafe_for_binlog && prebuilt->trx->isolation_level - != TRX_ISO_READ_COMMITTED) { + > TRX_ISO_READ_COMMITTED) { break; } /* fall through */ @@ -5378,7 +5378,7 @@ ha_innobase::try_semi_consistent_read(bool yes) if (yes && (srv_locks_unsafe_for_binlog - || prebuilt->trx->isolation_level == TRX_ISO_READ_COMMITTED)) { + || prebuilt->trx->isolation_level <= TRX_ISO_READ_COMMITTED)) { prebuilt->row_read_type = ROW_READ_TRY_SEMI_CONSISTENT; } else { prebuilt->row_read_type = ROW_READ_WITH_LOCKS; @@ -9293,7 +9293,7 @@ ha_innobase::store_lock( isolation_level = trx->isolation_level; if ((srv_locks_unsafe_for_binlog - || isolation_level == TRX_ISO_READ_COMMITTED) + || isolation_level <= TRX_ISO_READ_COMMITTED) && isolation_level != TRX_ISO_SERIALIZABLE && (lock_type == TL_READ || lock_type == TL_READ_NO_INSERT) && (sql_command == SQLCOM_INSERT_SELECT diff --git a/storage/innobase/lock/lock0lock.c b/storage/innobase/lock/lock0lock.c index 3c740df97ff..04e5fe1a65a 100644 --- a/storage/innobase/lock/lock0lock.c +++ b/storage/innobase/lock/lock0lock.c @@ -2400,7 +2400,7 @@ lock_rec_inherit_to_gap( if (!lock_rec_get_insert_intention(lock) && !((srv_locks_unsafe_for_binlog || lock->trx->isolation_level - == TRX_ISO_READ_COMMITTED) + <= TRX_ISO_READ_COMMITTED) && lock_get_mode(lock) == LOCK_X)) { lock_rec_add_to_queue(LOCK_REC | LOCK_GAP diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index 0d8d298453c..24abf8067f2 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -1458,7 +1458,7 @@ row_unlock_for_mysql( if (UNIV_UNLIKELY (!srv_locks_unsafe_for_binlog - && trx->isolation_level != TRX_ISO_READ_COMMITTED)) { + && trx->isolation_level > TRX_ISO_READ_COMMITTED)) { fprintf(stderr, "InnoDB: Error: calling row_unlock_for_mysql though\n" diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c index 92ecca2c75d..d0702a0cd2f 100644 --- a/storage/innobase/row/row0sel.c +++ b/storage/innobase/row/row0sel.c @@ -852,7 +852,7 @@ row_sel_get_clust_rec( trx = thr_get_trx(thr); if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) { lock_type = LOCK_REC_NOT_GAP; } else { lock_type = LOCK_ORDINARY; @@ -1465,7 +1465,7 @@ rec_loop: if (srv_locks_unsafe_for_binlog || trx->isolation_level - == TRX_ISO_READ_COMMITTED) { + <= TRX_ISO_READ_COMMITTED) { if (page_rec_is_supremum(next_rec)) { @@ -1522,7 +1522,7 @@ skip_lock: trx = thr_get_trx(thr); if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) { if (page_rec_is_supremum(rec)) { @@ -3665,7 +3665,7 @@ shortcut_fails_too_big_rec: && !page_rec_is_supremum(rec) && set_also_gap_locks && !(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* Try to place a gap lock on the next index record @@ -3761,7 +3761,7 @@ rec_loop: if (set_also_gap_locks && !(srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* Try to place a lock on the index record */ @@ -3895,7 +3895,7 @@ wrong_offs: if (set_also_gap_locks && !(srv_locks_unsafe_for_binlog || trx->isolation_level - == TRX_ISO_READ_COMMITTED) + <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* Try to place a gap lock on the index @@ -3931,7 +3931,7 @@ wrong_offs: if (set_also_gap_locks && !(srv_locks_unsafe_for_binlog || trx->isolation_level - == TRX_ISO_READ_COMMITTED) + <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* Try to place a gap lock on the index @@ -3979,7 +3979,7 @@ wrong_offs: if (!set_also_gap_locks || srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED + || trx->isolation_level <= TRX_ISO_READ_COMMITTED || (unique_search && !UNIV_UNLIKELY(rec_get_deleted_flag(rec, comp)))) { @@ -4018,7 +4018,7 @@ no_gap_lock: const rec_t* old_vers; case DB_SUCCESS: if (srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) { + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) { /* Note that a record of prebuilt->index was locked. */ prebuilt->new_rec_locks = 1; @@ -4151,7 +4151,7 @@ no_gap_lock: /* The record is delete-marked: we can skip it */ if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE && !did_semi_consistent_read) { @@ -4218,7 +4218,7 @@ requires_clust_rec: } if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* Note that both the secondary index record and the clustered index record were locked. */ @@ -4231,7 +4231,7 @@ requires_clust_rec: /* The record is delete marked: we can skip it */ if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && prebuilt->select_lock_type != LOCK_NONE) { /* No need to keep a lock on a delete-marked @@ -4442,7 +4442,7 @@ lock_wait_or_error: moves_up, &mtr); if ((srv_locks_unsafe_for_binlog - || trx->isolation_level == TRX_ISO_READ_COMMITTED) + || trx->isolation_level <= TRX_ISO_READ_COMMITTED) && !same_user_rec) { /* Since we were not able to restore the cursor From 8f6fe2efd1ad1d12426edc13d8b9bfdd900b7710 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:54:13 +0300 Subject: [PATCH 266/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3433 revision-id: mmakela@bk-internal.mysql.com-20100429133750-7ggyepb4erfg8eqe parent: mmakela@bk-internal.mysql.com-20100429132945-l4gm15tsmkjm24kv committer: Marko Makela branch nick: mysql-5.1-innodb timestamp: Thu 2010-04-29 15:37:50 +0200 message: recv_sys_init(), recv_sys_empty_hash(): Shrink recv_sys->addr_hash. recv_addr_t: Turn space,page_no into bitfields to save space on 64-bit. This addresses Bug #53122 in the InnoDB Plugin. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/include/log0recv.h 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Flog0recv.h storage/innodb_plugin/log/log0recv.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Flog%2Flog0recv.c ------------------------------------------------------------ --- storage/innobase/include/log0recv.h | 4 ++-- storage/innobase/log/log0recv.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/storage/innobase/include/log0recv.h b/storage/innobase/include/log0recv.h index 3209799e140..9f334a34b44 100644 --- a/storage/innobase/include/log0recv.h +++ b/storage/innobase/include/log0recv.h @@ -368,8 +368,8 @@ typedef struct recv_addr_struct recv_addr_t; struct recv_addr_struct{ enum recv_addr_state state; /*!< recovery state of the page */ - ulint space; /*!< space id */ - ulint page_no;/*!< page number */ + unsigned space:32;/*!< space id */ + unsigned page_no:32;/*!< page number */ UT_LIST_BASE_NODE_T(recv_t) rec_list;/*!< list of log records for this page */ hash_node_t addr_hash;/*!< hash node in the hash bucket chain */ diff --git a/storage/innobase/log/log0recv.c b/storage/innobase/log/log0recv.c index 3a070515c37..f47f47e6a68 100644 --- a/storage/innobase/log/log0recv.c +++ b/storage/innobase/log/log0recv.c @@ -331,7 +331,7 @@ recv_sys_init( recv_sys->len = 0; recv_sys->recovered_offset = 0; - recv_sys->addr_hash = hash_create(available_memory / 64); + recv_sys->addr_hash = hash_create(available_memory / 512); recv_sys->n_addrs = 0; recv_sys->apply_log_recs = FALSE; @@ -371,7 +371,7 @@ recv_sys_empty_hash(void) hash_table_free(recv_sys->addr_hash); mem_heap_empty(recv_sys->heap); - recv_sys->addr_hash = hash_create(buf_pool_get_curr_size() / 256); + recv_sys->addr_hash = hash_create(buf_pool_get_curr_size() / 512); } #ifndef UNIV_HOTBACKUP From 4ba847463f2b18e0dfee558285b1a19502bcfd8d Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 13:58:43 +0300 Subject: [PATCH 267/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3436 revision-id: marko.makela@oracle.com-20100503122859-k73bl51re93o0mt4 parent: vasil.dimov@oracle.com-20100430100236-9ncldjxpi14ec7el committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Mon 2010-05-03 15:28:59 +0300 message: buf_zip_decompress(): Allow BUF_NO_CHECKSUM_MAGIC as the stamped checksum. buf_page_get_gen(): Assert that buf_zip_decompress() succeeds. Callers are not prepared for a NULL return value. (Bug #53248) modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/buf/buf0buf.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbuf%2Fbuf0buf.c ------------------------------------------------------------ --- storage/innobase/buf/buf0buf.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/storage/innobase/buf/buf0buf.c b/storage/innobase/buf/buf0buf.c index 7a86d12fa69..fe324ec2ab1 100644 --- a/storage/innobase/buf/buf0buf.c +++ b/storage/innobase/buf/buf0buf.c @@ -2457,14 +2457,14 @@ buf_zip_decompress( buf_block_t* block, /*!< in/out: block */ ibool check) /*!< in: TRUE=verify the page checksum */ { - const byte* frame = block->page.zip.data; + const byte* frame = block->page.zip.data; + ulint stamp_checksum = mach_read_from_4( + frame + FIL_PAGE_SPACE_OR_CHKSUM); ut_ad(buf_block_get_zip_size(block)); ut_a(buf_block_get_space(block) != 0); - if (UNIV_LIKELY(check)) { - ulint stamp_checksum = mach_read_from_4( - frame + FIL_PAGE_SPACE_OR_CHKSUM); + if (UNIV_LIKELY(check && stamp_checksum != BUF_NO_CHECKSUM_MAGIC)) { ulint calc_checksum = page_zip_calc_checksum( frame, page_zip_get_size(&block->page.zip)); @@ -2970,8 +2970,9 @@ wait_until_unfixed: /* Decompress the page and apply buffered operations while not holding buf_pool->mutex or block->mutex. */ success = buf_zip_decompress(block, srv_use_checksums); + ut_a(success); - if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) { + if (UNIV_LIKELY(!recv_no_ibuf_operations)) { ibuf_merge_or_delete_for_page(block, space, offset, zip_size, TRUE); } @@ -2985,12 +2986,6 @@ wait_until_unfixed: buf_pool->n_pend_unzip--; rw_lock_x_unlock(&block->lock); - if (UNIV_UNLIKELY(!success)) { - - buf_pool_mutex_exit(buf_pool); - return(NULL); - } - break; case BUF_BLOCK_ZIP_FREE: From 7ee30ba8d2196e707eee93810b50876ad5117146 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 14:45:34 +0300 Subject: [PATCH 268/400] Followup to vasil.dimov@oracle.com-20100504104629-0ovtc5lae2ghn7he : Remove analyze_mutex_key now that this mutex does not exist. --- storage/innobase/handler/ha_innodb.cc | 1 - 1 file changed, 1 deletion(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index e798bcbfc44..f0b4d768e4f 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -207,7 +207,6 @@ performance schema */ static mysql_pfs_key_t innobase_share_mutex_key; static mysql_pfs_key_t prepare_commit_mutex_key; static mysql_pfs_key_t commit_threads_m_key; -static mysql_pfs_key_t analyze_mutex_key; static mysql_pfs_key_t commit_cond_mutex_key; static mysql_pfs_key_t commit_cond_key; From 8792207ace8cb87843adde304f16f54404a598ca Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 14:47:35 +0300 Subject: [PATCH 269/400] Followup to vasil.dimov@oracle.com-20100504104629-0ovtc5lae2ghn7he : Add the missing parameter to mutex_create(). --- storage/innobase/dict/dict0dict.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c index 0ecb286cf78..ae3e7520b85 100644 --- a/storage/innobase/dict/dict0dict.c +++ b/storage/innobase/dict/dict0dict.c @@ -685,7 +685,8 @@ dict_init(void) &dict_foreign_err_mutex, SYNC_ANY_LATCH); for (i = 0; i < DICT_INDEX_STAT_MUTEX_SIZE; i++) { - mutex_create(&dict_index_stat_mutex[i], SYNC_INDEX_TREE); + mutex_create(PFS_NOT_INSTRUMENTED, + &dict_index_stat_mutex[i], SYNC_INDEX_TREE); } } From 48d1faabf00411598af8f55ecb3acf12e0711223 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 16:45:44 +0300 Subject: [PATCH 270/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3437 revision-id: marko.makela@oracle.com-20100504093128-44v6glupe1dsh0ug parent: marko.makela@oracle.com-20100503122859-k73bl51re93o0mt4 committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-05-04 12:31:28 +0300 message: btr_page_split_and_insert(): Correct the fix of Bug #52964. When split_rec==NULL, choose the correct node pointer key (first_rec). modified: storage/innodb_plugin/btr/btr0btr.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0btr.c ------------------------------------------------------------ --- storage/innobase/btr/btr0btr.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/storage/innobase/btr/btr0btr.c b/storage/innobase/btr/btr0btr.c index 4473d3d2cc2..ef3beac98ad 100644 --- a/storage/innobase/btr/btr0btr.c +++ b/storage/innobase/btr/btr0btr.c @@ -2003,9 +2003,13 @@ func_start: split_rec = NULL; goto insert_empty; } + } else if (UNIV_UNLIKELY(insert_left)) { + first_rec = page_rec_get_next(page_get_infimum_rec(page)); + move_limit = page_rec_get_next(btr_cur_get_rec(cursor)); } else { insert_empty: ut_ad(!split_rec); + ut_ad(!insert_left); buf = mem_alloc(rec_get_converted_size(cursor->index, tuple, n_ext)); @@ -2029,7 +2033,11 @@ insert_empty: && btr_page_insert_fits(cursor, split_rec, offsets, tuple, n_ext, heap); } else { - mem_free(buf); + if (!insert_left) { + mem_free(buf); + buf = NULL; + } + insert_will_fit = !new_page_zip && btr_page_insert_fits(cursor, NULL, NULL, tuple, n_ext, heap); From 33c4a29890380272640df6a79462a8d474de3afb Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 16:47:47 +0300 Subject: [PATCH 271/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3438 revision-id: marko.makela@oracle.com-20100504105546-4ew7a77e9uhxmhho parent: marko.makela@oracle.com-20100504093128-44v6glupe1dsh0ug committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-05-04 13:55:46 +0300 message: Remove UNIV_BTR_AVOID_COPY. It was broken because btr_attach_half_pages() would get the block, new_block in the wrong order. Fixing that would have complicated the function even further for this marginal case. modified: storage/innodb_plugin/ChangeLog 2425@16c675df-0fcb-4bc9-8058-dcc011a37293:branches%2Fzip%2FChangeLog storage/innodb_plugin/btr/btr0btr.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbtr%2Fbtr0btr.c storage/innodb_plugin/include/univ.i 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Finclude%2Funiv.i ------------------------------------------------------------ --- storage/innobase/btr/btr0btr.c | 20 +------------------- storage/innobase/include/univ.i | 4 ---- 2 files changed, 1 insertion(+), 23 deletions(-) diff --git a/storage/innobase/btr/btr0btr.c b/storage/innobase/btr/btr0btr.c index ef3beac98ad..4d975560331 100644 --- a/storage/innobase/btr/btr0btr.c +++ b/storage/innobase/btr/btr0btr.c @@ -2050,17 +2050,7 @@ insert_empty: } /* 5. Move then the records to the new page */ - if (direction == FSP_DOWN -#ifdef UNIV_BTR_AVOID_COPY - && page_rec_is_supremum(move_limit)) { - /* Instead of moving all records, make the new page - the empty page. */ - - left_block = block; - right_block = new_block; - } else if (direction == FSP_DOWN -#endif /* UNIV_BTR_AVOID_COPY */ - ) { + if (direction == FSP_DOWN) { /* fputs("Split left\n", stderr); */ if (0 @@ -2103,14 +2093,6 @@ insert_empty: right_block = block; lock_update_split_left(right_block, left_block); -#ifdef UNIV_BTR_AVOID_COPY - } else if (!split_rec) { - /* Instead of moving all records, make the new page - the empty page. */ - - left_block = new_block; - right_block = block; -#endif /* UNIV_BTR_AVOID_COPY */ } else { /* fputs("Split right\n", stderr); */ diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index 927f237de0b..96faa84c6ff 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -222,10 +222,6 @@ operations (very slow); also UNIV_DEBUG must be defined */ adaptive hash index */ #define UNIV_SRV_PRINT_LATCH_WAITS /* enable diagnostic output in sync0sync.c */ -#define UNIV_BTR_AVOID_COPY /* when splitting B-tree nodes, - do not move any records when - all the records would - be moved */ #define UNIV_BTR_PRINT /* enable functions for printing B-trees */ #define UNIV_ZIP_DEBUG /* extensive consistency checks From 84745ca4192018395bb583c91c3a06a5ed1abac2 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 16:50:08 +0300 Subject: [PATCH 272/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3439 revision-id: marko.makela@oracle.com-20100504124744-c1ivf5tm90nv7lc1 parent: marko.makela@oracle.com-20100504105546-4ew7a77e9uhxmhho committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-05-04 15:47:44 +0300 message: Add Valgrind checks to catch uninitialized writes to data files. buf_flush_insert_into_flush_list(), buf_flush_insert_sorted_into_flush_list(), buf_flush_post_to_doublewrite_buf(): Check that the page is initialized. modified: storage/innodb_plugin/buf/buf0flu.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Fbuf%2Fbuf0flu.c ------------------------------------------------------------ --- storage/innobase/buf/buf0flu.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/storage/innobase/buf/buf0flu.c b/storage/innobase/buf/buf0flu.c index 4d5566d79c0..19f3ecba930 100644 --- a/storage/innobase/buf/buf0flu.c +++ b/storage/innobase/buf/buf0flu.c @@ -271,6 +271,17 @@ buf_flush_insert_into_flush_list( block->page.oldest_modification = lsn; UT_LIST_ADD_FIRST(list, buf_pool->flush_list, &block->page); +#ifdef UNIV_DEBUG_VALGRIND + { + ulint zip_size = buf_block_get_zip_size(block); + + if (UNIV_UNLIKELY(zip_size)) { + UNIV_MEM_ASSERT_RW(block->page.zip.data, zip_size); + } else { + UNIV_MEM_ASSERT_RW(block->frame, UNIV_PAGE_SIZE); + } + } +#endif /* UNIV_DEBUG_VALGRIND */ #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG ut_a(buf_flush_validate_low(buf_pool)); #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ @@ -320,6 +331,18 @@ buf_flush_insert_sorted_into_flush_list( ut_d(block->page.in_flush_list = TRUE); block->page.oldest_modification = lsn; +#ifdef UNIV_DEBUG_VALGRIND + { + ulint zip_size = buf_block_get_zip_size(block); + + if (UNIV_UNLIKELY(zip_size)) { + UNIV_MEM_ASSERT_RW(block->page.zip.data, zip_size); + } else { + UNIV_MEM_ASSERT_RW(block->frame, UNIV_PAGE_SIZE); + } + } +#endif /* UNIV_DEBUG_VALGRIND */ + prev_b = NULL; /* For the most part when this function is called the flush_rbt @@ -890,6 +913,7 @@ try_again: zip_size = buf_page_get_zip_size(bpage); if (UNIV_UNLIKELY(zip_size)) { + UNIV_MEM_ASSERT_RW(bpage->zip.data, zip_size); /* Copy the compressed page and clear the rest. */ memcpy(trx_doublewrite->write_buf + UNIV_PAGE_SIZE * trx_doublewrite->first_free, @@ -899,6 +923,8 @@ try_again: + zip_size, 0, UNIV_PAGE_SIZE - zip_size); } else { ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE); + UNIV_MEM_ASSERT_RW(((buf_block_t*) bpage)->frame, + UNIV_PAGE_SIZE); memcpy(trx_doublewrite->write_buf + UNIV_PAGE_SIZE * trx_doublewrite->first_free, From 3024d99a964cc12ebc35a3a731ea591e7b2e78c4 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 4 May 2010 16:57:09 +0300 Subject: [PATCH 273/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3441 revision-id: marko.makela@oracle.com-20100504130917-qmvzbj3pgil2nuat parent: marko.makela@oracle.com-20100504125510-gemcfhj7mefrhalo committer: Marko M?kel? branch nick: 5.1-innodb timestamp: Tue 2010-05-04 16:09:17 +0300 message: fsp_init_file_page_low(): Zero out the page. (Bug #53306) modified: storage/innodb_plugin/fsp/fsp0fsp.c 2@16c675df-0fcb-4bc9-8058-dcc011a37293:trunk%2Ffsp%2Ffsp0fsp.c ------------------------------------------------------------ --- storage/innobase/fsp/fsp0fsp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/storage/innobase/fsp/fsp0fsp.c b/storage/innobase/fsp/fsp0fsp.c index c7f1a299d8a..2bae8481d20 100644 --- a/storage/innobase/fsp/fsp0fsp.c +++ b/storage/innobase/fsp/fsp0fsp.c @@ -869,12 +869,10 @@ fsp_init_file_page_low( return; } - UNIV_MEM_INVALID(page, UNIV_PAGE_SIZE); + memset(page, 0, UNIV_PAGE_SIZE); mach_write_to_4(page + FIL_PAGE_OFFSET, buf_block_get_page_no(block)); - memset(page + FIL_PAGE_LSN, 0, 8); mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, buf_block_get_space(block)); - memset(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM, 0, 8); } #ifndef UNIV_HOTBACKUP From efe69e7c4249927054651490cb8479ba61c2630c Mon Sep 17 00:00:00 2001 From: Jon Olav Hauglid Date: Tue, 4 May 2010 16:33:42 +0200 Subject: [PATCH 274/400] Followup to Bug#42546 Backup: RESTORE fails, thinking it finds an existing table Fixes a bug where bool* was used as an argument to a function where the parameter was of type bool. --- sql/sql_prepare.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc index 739b6576a99..c8f53235793 100644 --- a/sql/sql_prepare.cc +++ b/sql/sql_prepare.cc @@ -1708,7 +1708,7 @@ static bool mysql_test_create_table(Prepared_statement *stmt) res= select_like_stmt_test(stmt, 0, 0); - lex->link_first_table_back(create_table, &link_to_local); + lex->link_first_table_back(create_table, link_to_local); } else { From fe8b56db30116f823aa7c6c8fe3b0d053ebd7622 Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Tue, 4 May 2010 08:25:56 -0700 Subject: [PATCH 275/400] Fix bug #53165, Setting innodb_change_buffering=DEFAULT produces incorrect result. rb://295 approved by Marko --- storage/innobase/handler/ha_innodb.cc | 79 ++++++++++++++++++++------- 1 file changed, 58 insertions(+), 21 deletions(-) diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index f0b4d768e4f..49bcd363515 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -10543,7 +10543,35 @@ innodb_old_blocks_pct_update( } /*************************************************************//** -Check if it is a valid value of innodb_change_buffering. This function is +Find the corresponding ibuf_use_t value that indexes into +innobase_change_buffering_values[] array for the input +change buffering option name. +@return corresponding IBUF_USE_* value for the input variable +name, or IBUF_USE_COUNT if not able to find a match */ +static +ibuf_use_t +innodb_find_change_buffering_value( +/*===============================*/ + const char* input_name) /*!< in: input change buffering + option name */ +{ + ulint use; + + for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values); + use++) { + /* found a match */ + if (!innobase_strcasecmp( + input_name, innobase_change_buffering_values[use])) { + return((ibuf_use_t)use); + } + } + + /* Did not find any match */ + return(IBUF_USE_COUNT); +} + +/*************************************************************//** +Check if it is a valid value of innodb_change_buffering. This function is registered as a callback with MySQL. @return 0 for valid innodb_change_buffering */ static @@ -10567,19 +10595,22 @@ innodb_change_buffering_validate( change_buffering_input = value->val_str(value, buff, &len); if (change_buffering_input != NULL) { - ulint use; + ibuf_use_t use; - for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values); - use++) { - if (!innobase_strcasecmp( - change_buffering_input, - innobase_change_buffering_values[use])) { - *(ibuf_use_t*) save = (ibuf_use_t) use; - return(0); - } + use = innodb_find_change_buffering_value( + change_buffering_input); + + if (use != IBUF_USE_COUNT) { + /* Find a matching change_buffering option value. */ + *static_cast(save) = + innobase_change_buffering_values[use]; + + return(0); } } + /* No corresponding change buffering option for user supplied + "change_buffering_input" */ return(1); } @@ -10590,21 +10621,27 @@ static void innodb_change_buffering_update( /*===========================*/ - THD* thd, /*!< in: thread handle */ - struct st_mysql_sys_var* var, /*!< in: pointer to - system variable */ - void* var_ptr, /*!< out: where the - formal string goes */ - const void* save) /*!< in: immediate result - from check function */ + THD* thd, /*!< in: thread handle */ + struct st_mysql_sys_var* var, /*!< in: pointer to + system variable */ + void* var_ptr,/*!< out: where the + formal string goes */ + const void* save) /*!< in: immediate result + from check function */ { + ibuf_use_t use; + ut_a(var_ptr != NULL); ut_a(save != NULL); - ut_a((*(ibuf_use_t*) save) < IBUF_USE_COUNT); - ibuf_use = *(const ibuf_use_t*) save; + use = innodb_find_change_buffering_value( + *static_cast(save)); - *(const char**) var_ptr = innobase_change_buffering_values[ibuf_use]; + ut_a(use < IBUF_USE_COUNT); + + ibuf_use = use; + *static_cast(var_ptr) = + *static_cast(save); } static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff) @@ -10959,7 +10996,7 @@ static MYSQL_SYSVAR_STR(change_buffering, innobase_change_buffering, "Buffer changes to reduce random access: " "OFF, ON, inserting, deleting, changing, or purging.", innodb_change_buffering_validate, - innodb_change_buffering_update, NULL); + innodb_change_buffering_update, "all"); static MYSQL_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold, PLUGIN_VAR_RQCMDARG, From 484741475e4ad27b9e1cf506f2c56412c774f18b Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 5 May 2010 13:13:05 +0300 Subject: [PATCH 276/400] Fix path to include file. --- mysql-test/suite/innodb/t/innodb_bug52663.test | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/innodb/t/innodb_bug52663.test b/mysql-test/suite/innodb/t/innodb_bug52663.test index 927044fb2ca..fcf97531e00 100644 --- a/mysql-test/suite/innodb/t/innodb_bug52663.test +++ b/mysql-test/suite/innodb/t/innodb_bug52663.test @@ -1,4 +1,4 @@ ---source include/have_innodb_plugin.inc +--source include/have_innodb.inc set session transaction isolation level read committed; From 781debb59b8ae7295908faa6857264bc33f4ca10 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 5 May 2010 13:13:58 +0300 Subject: [PATCH 277/400] Fix path to include file in innodb_bug52745.test --- mysql-test/suite/innodb/t/innodb_bug52745.test | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/innodb/t/innodb_bug52745.test b/mysql-test/suite/innodb/t/innodb_bug52745.test index b20a993a2d1..d2de869648b 100644 --- a/mysql-test/suite/innodb/t/innodb_bug52745.test +++ b/mysql-test/suite/innodb/t/innodb_bug52745.test @@ -1,4 +1,4 @@ --- source include/have_innodb_plugin.inc +-- source include/have_innodb.inc let $file_format=`select @@innodb_file_format`; let $file_format_check=`select @@innodb_file_format_check`; From 09f5025bc2667bdf89437535a2723edb6c95859d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 5 May 2010 13:14:06 +0300 Subject: [PATCH 278/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3446 revision-id: marko.makela@oracle.com-20100505100507-6kcd2hf32hruxbv7 parent: marko.makela@oracle.com-20100505095328-vetnl0flhmhao7p5 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-05 13:05:07 +0300 message: Add Valgrind diagnostics to track down Bug #38999. ------------------------------------------------------------ --- storage/innobase/row/row0sel.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c index d0702a0cd2f..0735215a9a9 100644 --- a/storage/innobase/row/row0sel.c +++ b/storage/innobase/row/row0sel.c @@ -2498,6 +2498,7 @@ row_sel_field_store_in_mysql_format( byte* pad_ptr; ut_ad(len != UNIV_SQL_NULL); + UNIV_MEM_ASSERT_RW(data, len); switch (templ->type) { case DATA_INT: @@ -2746,6 +2747,9 @@ row_sel_store_mysql_rec( /* MySQL assumes that the field for an SQL NULL value is set to the default value. */ + UNIV_MEM_ASSERT_RW(prebuilt->default_rec + + templ->mysql_col_offset, + templ->mysql_col_len); mysql_rec[templ->mysql_null_byte_offset] |= (byte) templ->mysql_null_bit_mask; memcpy(mysql_rec + templ->mysql_col_offset, @@ -3070,6 +3074,11 @@ row_sel_pop_cached_row_for_mysql( for (i = 0; i < prebuilt->n_template; i++) { templ = prebuilt->mysql_template + i; +#if 0 /* Some of the cached_rec may legitimately be uninitialized. */ + UNIV_MEM_ASSERT_RW(cached_rec + + templ->mysql_col_offset, + templ->mysql_col_len); +#endif ut_memcpy(buf + templ->mysql_col_offset, cached_rec + templ->mysql_col_offset, templ->mysql_col_len); @@ -3084,6 +3093,11 @@ row_sel_pop_cached_row_for_mysql( } } else { +#if 0 /* Some of the cached_rec may legitimately be uninitialized. */ + UNIV_MEM_ASSERT_RW(prebuilt->fetch_cache + [prebuilt->fetch_cache_first], + prebuilt->mysql_prefix_len); +#endif ut_memcpy(buf, prebuilt->fetch_cache[prebuilt->fetch_cache_first], prebuilt->mysql_prefix_len); @@ -3134,6 +3148,8 @@ row_sel_push_cache_row_for_mysql( } ut_ad(prebuilt->fetch_cache_first == 0); + UNIV_MEM_INVALID(prebuilt->fetch_cache[prebuilt->n_fetch_cached], + prebuilt->mysql_row_len); if (UNIV_UNLIKELY(!row_sel_store_mysql_rec( prebuilt->fetch_cache[ From 1cf9861f86cdc13de6e9fcc48af1f4de5bd41572 Mon Sep 17 00:00:00 2001 From: Magne Mahre Date: Wed, 5 May 2010 12:17:07 +0200 Subject: [PATCH 279/400] Bug#48800 CREATE TABLE t...SELECT fails if t is a temporary table If a temporary table A exists, and a (permanent) table with the same name is attempted created with "CREATE TABLE ... AS SELECT", the create would fail with an error. 1050: Table 'A' already exists The error occured in MySQL 5.1 releases, but is not present in MySQL 5.5. This patch adds a regression test to ensure that the problem does not reoccur. --- mysql-test/r/create.result | 15 +++++++++++++++ mysql-test/t/create.test | 22 ++++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/mysql-test/r/create.result b/mysql-test/r/create.result index eb1437414e7..49597caa027 100644 --- a/mysql-test/r/create.result +++ b/mysql-test/r/create.result @@ -1977,3 +1977,18 @@ CREATE TABLE t1 LIKE t2; ERROR 42S01: Table 't1' already exists DROP TABLE t2; DROP TABLE t1; +# +# Bug #48800 CREATE TABLE t...SELECT fails if t is a +# temporary table +# +CREATE TEMPORARY TABLE t1 (a INT); +CREATE TABLE t1 (a INT); +CREATE TEMPORARY TABLE t2 (a INT); +CREATE VIEW t2 AS SELECT 1; +CREATE TABLE t3 (a INT); +CREATE TEMPORARY TABLE t3 SELECT 1; +CREATE TEMPORARY TABLE t4 (a INT); +CREATE TABLE t4 AS SELECT 1; +DROP TEMPORARY TABLE t1, t2, t3, t4; +DROP TABLE t1, t3, t4; +DROP VIEW t2; diff --git a/mysql-test/t/create.test b/mysql-test/t/create.test index e0a6fde1381..2e205d47c5d 100644 --- a/mysql-test/t/create.test +++ b/mysql-test/t/create.test @@ -1668,3 +1668,25 @@ CREATE TABLE t1 LIKE t2; DROP TABLE t2; DROP TABLE t1; + +--echo # +--echo # Bug #48800 CREATE TABLE t...SELECT fails if t is a +--echo # temporary table +--echo # + +CREATE TEMPORARY TABLE t1 (a INT); +CREATE TABLE t1 (a INT); + +CREATE TEMPORARY TABLE t2 (a INT); +CREATE VIEW t2 AS SELECT 1; + +CREATE TABLE t3 (a INT); +CREATE TEMPORARY TABLE t3 SELECT 1; + +CREATE TEMPORARY TABLE t4 (a INT); +CREATE TABLE t4 AS SELECT 1; + +DROP TEMPORARY TABLE t1, t2, t3, t4; +DROP TABLE t1, t3, t4; +DROP VIEW t2; + From bc7dcdc0b186147b0df506e5e222d9da2ac294ed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 5 May 2010 14:03:14 +0300 Subject: [PATCH 280/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3449 revision-id: marko.makela@oracle.com-20100505104425-39y6qbffgotrhck2 parent: marko.makela@oracle.com-20100505104001-883pqiepo384qr5h committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-05 13:44:25 +0300 message: Factor out innodb_multi_update.test from innodb.test --- mysql-test/suite/innodb/r/innodb.result | 80 +------------------ .../suite/innodb/r/innodb_multi_update.result | 76 ++++++++++++++++++ mysql-test/suite/innodb/t/disabled.def | 12 +++ mysql-test/suite/innodb/t/innodb.test | 27 ------- .../suite/innodb/t/innodb_multi_update.test | 29 +++++++ 5 files changed, 119 insertions(+), 105 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb_multi_update.result create mode 100644 mysql-test/suite/innodb/t/innodb_multi_update.test diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result index c167db2d744..b8b6624f83c 100644 --- a/mysql-test/suite/innodb/r/innodb.result +++ b/mysql-test/suite/innodb/r/innodb.result @@ -1184,82 +1184,6 @@ a b 8 8 9 9 drop table t1; -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); -update t1,t2 set t1.a=t1.a+100; -select * from t1; -a b -101 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; -a b -201 1 -102 2 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -112 12 -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; -a b -201 1 -103 3 -104 4 -105 5 -106 6 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -a b -201 1 -103 5 -104 6 -106 6 -105 7 -107 7 -108 8 -109 9 -110 10 -111 11 -102 12 -112 12 -select * from t2; -a b -1 1 -2 2 -6 6 -7 7 -8 8 -9 9 -3 13 -4 14 -5 15 -drop table t1,t2; CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; SET AUTOCOMMIT=0; @@ -1746,10 +1670,10 @@ variable_value - @innodb_rows_deleted_orig 71 SELECT variable_value - @innodb_rows_inserted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_inserted'; variable_value - @innodb_rows_inserted_orig -1086 +1065 SELECT variable_value - @innodb_rows_updated_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_updated'; variable_value - @innodb_rows_updated_orig -885 +865 SELECT variable_value - @innodb_row_lock_waits_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_row_lock_waits'; variable_value - @innodb_row_lock_waits_orig 0 diff --git a/mysql-test/suite/innodb/r/innodb_multi_update.result b/mysql-test/suite/innodb/r/innodb_multi_update.result new file mode 100644 index 00000000000..7af9b030d1f --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_multi_update.result @@ -0,0 +1,76 @@ +CREATE TABLE bug38999_1 (a int not null primary key, b int not null, key (b)) engine=innodb; +CREATE TABLE bug38999_2 (a int not null primary key, b int not null, key (b)) engine=innodb; +INSERT INTO bug38999_1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); +INSERT INTO bug38999_2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100; +select * from bug38999_1; +a b +101 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100 where bug38999_1.a=101; +select * from bug38999_1; +a b +201 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+10 where bug38999_1.b=2; +select * from bug38999_1; +a b +201 1 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +102 12 +112 12 +update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+2,bug38999_2.b=bug38999_1.b+10 where bug38999_1.b between 3 and 5 and bug38999_1.a=bug38999_2.a+100; +select * from bug38999_1; +a b +201 1 +103 5 +104 6 +106 6 +105 7 +107 7 +108 8 +109 9 +110 10 +111 11 +102 12 +112 12 +select * from bug38999_2; +a b +1 1 +2 2 +6 6 +7 7 +8 8 +9 9 +3 13 +4 14 +5 15 +drop table bug38999_1,bug38999_2; diff --git a/mysql-test/suite/innodb/t/disabled.def b/mysql-test/suite/innodb/t/disabled.def index e69de29bb2d..da04138fd0a 100644 --- a/mysql-test/suite/innodb/t/disabled.def +++ b/mysql-test/suite/innodb/t/disabled.def @@ -0,0 +1,12 @@ +############################################################################## +# +# List the test cases that are to be disabled temporarily. +# +# Separate the test case name and the comment with ':'. +# +# : BUG# +# +# Do not use any TAB characters for whitespace. +# +############################################################################## +innodb_multi_update: Bug #38999 2010-05-05 mmakela Valgrind warnings diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index 84b354b33ea..44850ff0131 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -915,33 +915,6 @@ UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; SELECT * from t1; drop table t1; -# -# Test multi update with different join methods -# - -CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=innodb; -CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=innodb; -INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); -INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); - -# Full join, without key -update t1,t2 set t1.a=t1.a+100; -select * from t1; - -# unique key -update t1,t2 set t1.a=t1.a+100 where t1.a=101; -select * from t1; - -# ref key -update t1,t2 set t1.b=t1.b+10 where t1.b=2; -select * from t1; - -# Range key (in t1) -update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; -select * from t1; -select * from t2; - -drop table t1,t2; CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MyISAM; CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB; SET AUTOCOMMIT=0; diff --git a/mysql-test/suite/innodb/t/innodb_multi_update.test b/mysql-test/suite/innodb/t/innodb_multi_update.test new file mode 100644 index 00000000000..7ab17ccf70a --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_multi_update.test @@ -0,0 +1,29 @@ +-- source include/have_innodb.inc + +# +# Test multi update with different join methods +# + +CREATE TABLE bug38999_1 (a int not null primary key, b int not null, key (b)) engine=innodb; +CREATE TABLE bug38999_2 (a int not null primary key, b int not null, key (b)) engine=innodb; +INSERT INTO bug38999_1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); +INSERT INTO bug38999_2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); + +# Full join, without key +update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100; +select * from bug38999_1; + +# unique key +update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100 where bug38999_1.a=101; +select * from bug38999_1; + +# ref key +update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+10 where bug38999_1.b=2; +select * from bug38999_1; + +# Range key (in bug38999_1) +update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+2,bug38999_2.b=bug38999_1.b+10 where bug38999_1.b between 3 and 5 and bug38999_1.a=bug38999_2.a+100; +select * from bug38999_1; +select * from bug38999_2; + +drop table bug38999_1,bug38999_2; From 24a14875bc19d2959393aec9dbfe4b098b73b592 Mon Sep 17 00:00:00 2001 From: Magne Mahre Date: Wed, 5 May 2010 23:28:58 +0200 Subject: [PATCH 281/400] Bug#49193 CREATE TABLE reacts differently depending on whether data is selected or not Temporary and permanent tables should live in different namespaces. In this case, resolving a permanent table name gave the temporary table, resulting in a name collision. --- mysql-test/r/create.result | 41 ++++++++++++++++++++++++++++++++++++++ mysql-test/t/create.test | 41 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/mysql-test/r/create.result b/mysql-test/r/create.result index 49597caa027..e37f9d580ba 100644 --- a/mysql-test/r/create.result +++ b/mysql-test/r/create.result @@ -1992,3 +1992,44 @@ CREATE TABLE t4 AS SELECT 1; DROP TEMPORARY TABLE t1, t2, t3, t4; DROP TABLE t1, t3, t4; DROP VIEW t2; +# +# Bug #49193 CREATE TABLE reacts differently depending +# on whether data is selected or not +# +CREATE TEMPORARY TABLE t2 (ID INT); +INSERT INTO t2 VALUES (1),(2),(3); +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE IF NOT EXISTS t1 (ID INT); +INSERT INTO t1 SELECT * FROM t2; +SELECT * FROM t1; +ID +1 +2 +3 +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; +ID +DROP TABLE t1; +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2; +SELECT * FROM t1; +ID +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; +ID +1 +2 +3 +DROP TABLE t1; +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE t1 SELECT * FROM t2; +SELECT * FROM t1; +ID +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; +ID +1 +2 +3 +DROP TABLE t1; +DROP TEMPORARY TABLE t2; diff --git a/mysql-test/t/create.test b/mysql-test/t/create.test index 2e205d47c5d..383ba98ae6d 100644 --- a/mysql-test/t/create.test +++ b/mysql-test/t/create.test @@ -1690,3 +1690,44 @@ DROP TEMPORARY TABLE t1, t2, t3, t4; DROP TABLE t1, t3, t4; DROP VIEW t2; +--echo # +--echo # Bug #49193 CREATE TABLE reacts differently depending +--echo # on whether data is selected or not +--echo # + +CREATE TEMPORARY TABLE t2 (ID INT); +INSERT INTO t2 VALUES (1),(2),(3); + +# Case 1 -- did not fail +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE IF NOT EXISTS t1 (ID INT); +INSERT INTO t1 SELECT * FROM t2; +SELECT * FROM t1; +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; + +DROP TABLE t1; + +# Case 2 -- The DROP TABLE t1 failed with +# Table 'test.t1' doesn't exist in the SELECT * +# as the (permanent) table was not created +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2; +SELECT * FROM t1; +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; + +DROP TABLE t1; + +# Case 3 -- The CREATE TABLE failed with +# Table 't1' already exists +CREATE TEMPORARY TABLE t1 (ID INT); +CREATE TABLE t1 SELECT * FROM t2; +SELECT * FROM t1; +DROP TEMPORARY TABLE t1; +SELECT * FROM t1; + +DROP TABLE t1; + +DROP TEMPORARY TABLE t2; + From cca59e83d7a309729f0e079682d1dfa34bbd768e Mon Sep 17 00:00:00 2001 From: Konstantin Osipov Date: Thu, 6 May 2010 02:02:08 +0400 Subject: [PATCH 282/400] Clean-up, give better names, add comments to thd->in_multi_stmt_transaction() and thd->active_transaction(). --- include/mysql_com.h | 9 +++++++- sql/ha_ndbcluster.cc | 16 ++++++------- sql/handler.cc | 25 +++++++++++++++++--- sql/log.cc | 6 ++--- sql/log_event.cc | 4 ++-- sql/sql_base.cc | 4 ++-- sql/sql_cache.cc | 14 +++++------ sql/sql_class.cc | 2 +- sql/sql_class.h | 55 ++++++++++++++++++++++++++++++++++++++++---- sql/sql_parse.cc | 9 +++++--- sql/sql_prepare.cc | 2 +- sql/sql_rename.cc | 2 +- sql/sql_table.cc | 2 +- sql/sys_vars.cc | 20 ++++++++++------ sql/transaction.cc | 6 ++--- 15 files changed, 128 insertions(+), 48 deletions(-) diff --git a/include/mysql_com.h b/include/mysql_com.h index e4e34141d43..c510c12dbf7 100644 --- a/include/mysql_com.h +++ b/include/mysql_com.h @@ -197,7 +197,14 @@ enum enum_server_command & ~CLIENT_COMPRESS) \ & ~CLIENT_SSL_VERIFY_SERVER_CERT) -#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */ +/** + Is raised when a multi-statement transaction + has been started, either explicitly, by means + of BEGIN or COMMIT AND CHAIN, or + implicitly, by the first transactional + statement, when autocommit=off. +*/ +#define SERVER_STATUS_IN_TRANS 1 #define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */ #define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */ #define SERVER_QUERY_NO_GOOD_INDEX_USED 16 diff --git a/sql/ha_ndbcluster.cc b/sql/ha_ndbcluster.cc index 38324f3cf19..2d082cc71f6 100644 --- a/sql/ha_ndbcluster.cc +++ b/sql/ha_ndbcluster.cc @@ -4628,7 +4628,7 @@ int ha_ndbcluster::start_statement(THD *thd, trans_register_ha(thd, FALSE, ndbcluster_hton); if (!thd_ndb->trans) { - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) trans_register_ha(thd, TRUE, ndbcluster_hton); DBUG_PRINT("trans",("Starting transaction")); thd_ndb->trans= ndb->startTransaction(); @@ -4698,7 +4698,7 @@ int ha_ndbcluster::init_handler_for_statement(THD *thd, Thd_ndb *thd_ndb) } #endif - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) { const void *key= m_table; HASH_SEARCH_STATE state; @@ -4782,7 +4782,7 @@ int ha_ndbcluster::external_lock(THD *thd, int lock_type) if (opt_ndb_cache_check_time && m_rows_changed) { DBUG_PRINT("info", ("Rows has changed and util thread is running")); - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) { DBUG_PRINT("info", ("Add share to list of tables to be invalidated")); /* NOTE push_back allocates memory using transactions mem_root! */ @@ -4801,7 +4801,7 @@ int ha_ndbcluster::external_lock(THD *thd, int lock_type) DBUG_PRINT("trans", ("Last external_lock")); PRINT_OPTION_FLAGS(thd); - if (!thd->in_multi_stmt_transaction()) + if (!thd->in_multi_stmt_transaction_mode()) { if (thd_ndb->trans) { @@ -4911,7 +4911,7 @@ static int ndbcluster_commit(handlerton *hton, THD *thd, bool all) PRINT_OPTION_FLAGS(thd); DBUG_PRINT("enter", ("Commit %s", (all ? "all" : "stmt"))); thd_ndb->start_stmt_count= 0; - if (trans == NULL || (!all && thd->in_multi_stmt_transaction())) + if (trans == NULL || (!all && thd->in_multi_stmt_transaction_mode())) { /* An odditity in the handler interface is that commit on handlerton @@ -4981,7 +4981,7 @@ static int ndbcluster_rollback(handlerton *hton, THD *thd, bool all) DBUG_ASSERT(ndb); thd_ndb->start_stmt_count= 0; if (trans == NULL || (!all && - thd->in_multi_stmt_transaction())) + thd->in_multi_stmt_transaction_mode())) { /* Ignore end-of-statement until real rollback or commit is called */ DBUG_PRINT("info", ("Rollback before start or end-of-statement only")); @@ -8271,7 +8271,7 @@ ndbcluster_cache_retrieval_allowed(THD *thd, DBUG_ENTER("ndbcluster_cache_retrieval_allowed"); DBUG_PRINT("enter", ("dbname: %s, tabname: %s", dbname, tabname)); - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) { DBUG_PRINT("exit", ("No, don't use cache in transaction")); DBUG_RETURN(FALSE); @@ -8339,7 +8339,7 @@ ha_ndbcluster::register_query_cache_table(THD *thd, DBUG_ENTER("ha_ndbcluster::register_query_cache_table"); DBUG_PRINT("enter",("dbname: %s, tabname: %s", m_dbname, m_tabname)); - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) { DBUG_PRINT("exit", ("Can't register table during transaction")); DBUG_RETURN(FALSE); diff --git a/sql/handler.cc b/sql/handler.cc index ee02441e7ff..c0a5e2ff55c 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -1245,7 +1245,14 @@ end: /** @note This function does not care about global read lock. A caller should. + + @param[in] all Is set in case of explicit commit + (COMMIT statement), or implicit commit + issued by DDL. Is not set when called + at the end of statement, even if + autocommit=1. */ + int ha_commit_one_phase(THD *thd, bool all) { int error=0; @@ -1253,9 +1260,15 @@ int ha_commit_one_phase(THD *thd, bool all) /* "real" is a nick name for a transaction for which a commit will make persistent changes. E.g. a 'stmt' transaction inside a 'all' - transation is not 'real': even though it's possible to commit it, + transaction is not 'real': even though it's possible to commit it, the changes are not durable as they might be rolled back if the enclosing 'all' transaction is rolled back. + We establish the value of 'is_real_trans' by checking + if it's an explicit COMMIT/BEGIN statement, or implicit + commit issued by DDL (all == TRUE), or if we're running + in autocommit mode (it's only in the autocommit mode + ha_commit_one_phase() can be called with an empty + transaction.all.ha_list, see why in trans_register_ha()). */ bool is_real_trans=all || thd->transaction.all.ha_list == 0; Ha_trx_info *ha_info= trans->ha_list, *ha_info_next; @@ -1303,9 +1316,15 @@ int ha_rollback_trans(THD *thd, bool all) /* "real" is a nick name for a transaction for which a commit will make persistent changes. E.g. a 'stmt' transaction inside a 'all' - transation is not 'real': even though it's possible to commit it, + transaction is not 'real': even though it's possible to commit it, the changes are not durable as they might be rolled back if the enclosing 'all' transaction is rolled back. + We establish the value of 'is_real_trans' by checking + if it's an explicit COMMIT or BEGIN statement, or implicit + commit issued by DDL (in these cases all == TRUE), + or if we're running in autocommit mode (it's only in the autocommit mode + ha_commit_one_phase() is called with an empty + transaction.all.ha_list, see why in trans_register_ha()). */ bool is_real_trans=all || thd->transaction.all.ha_list == 0; DBUG_ENTER("ha_rollback_trans"); @@ -1358,7 +1377,7 @@ int ha_rollback_trans(THD *thd, bool all) if (all) thd->variables.tx_isolation=thd->session_tx_isolation; } - /* Always cleanup. Even if there nht==0. There may be savepoints. */ + /* Always cleanup. Even if nht==0. There may be savepoints. */ if (is_real_trans) thd->transaction.cleanup(); if (all) diff --git a/sql/log.cc b/sql/log.cc index 18f812d96bf..6c0ab33e87a 100644 --- a/sql/log.cc +++ b/sql/log.cc @@ -1686,7 +1686,7 @@ static int binlog_commit(handlerton *hton, THD *thd, bool all) DBUG_PRINT("debug", ("all: %d, in_transaction: %s, all.modified_non_trans_table: %s, stmt.modified_non_trans_table: %s", all, - YESNO(thd->in_multi_stmt_transaction()), + YESNO(thd->in_multi_stmt_transaction_mode()), YESNO(thd->transaction.all.modified_non_trans_table), YESNO(thd->transaction.stmt.modified_non_trans_table))); @@ -4267,7 +4267,7 @@ bool use_trans_cache(const THD* thd, bool is_transactional) */ bool ending_trans(THD* thd, const bool all) { - return (all || (!all && !thd->in_multi_stmt_transaction())); + return (all || (!all && !thd->in_multi_stmt_transaction_mode())); } /** @@ -4370,7 +4370,7 @@ THD::binlog_start_trans_and_stmt() cache_mngr->trx_cache.get_prev_position() == MY_OFF_T_UNDEF) { this->binlog_set_stmt_begin(); - if (in_multi_stmt_transaction()) + if (in_multi_stmt_transaction_mode()) trans_register_ha(this, TRUE, binlog_hton); trans_register_ha(this, FALSE, binlog_hton); /* diff --git a/sql/log_event.cc b/sql/log_event.cc index 20acc7b0219..4caf23232c5 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -2485,13 +2485,13 @@ Query_log_event::Query_log_event(THD* thd_arg, const char* query_arg, implicit_commit= TRUE; break; case SQLCOM_DROP_TABLE: - force_trans= lex->drop_temporary && thd->in_multi_stmt_transaction(); + force_trans= lex->drop_temporary && thd->in_multi_stmt_transaction_mode(); implicit_commit= !force_trans; break; case SQLCOM_ALTER_TABLE: case SQLCOM_CREATE_TABLE: force_trans= (lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) && - thd->in_multi_stmt_transaction(); + thd->in_multi_stmt_transaction_mode(); implicit_commit= !force_trans && !(lex->select_lex.item_list.elements && thd->is_current_stmt_binlog_format_row()); diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 1d7ad87eae0..82c12c68b56 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -1558,7 +1558,7 @@ void close_thread_tables(THD *thd) - If in autocommit mode, or outside a transactional context, automatically release metadata locks of the current statement. */ - if (! thd->in_multi_stmt_transaction() && + if (! thd->in_multi_stmt_transaction_mode() && ! (thd->state_flags & Open_tables_state::BACKUPS_AVAIL)) { thd->mdl_context.release_transactional_locks(); @@ -3783,7 +3783,7 @@ end_with_lock_open: Open_table_context::Open_table_context(THD *thd, ulong timeout) :m_action(OT_NO_ACTION), m_start_of_statement_svp(thd->mdl_context.mdl_savepoint()), - m_has_locks((thd->in_multi_stmt_transaction() && + m_has_locks((thd->in_multi_stmt_transaction_mode() && thd->mdl_context.has_locks()) || thd->mdl_context.trans_sentinel()), m_global_mdl_request(NULL), diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc index 1e4161dfa1c..92d54c8e71b 100644 --- a/sql/sql_cache.cc +++ b/sql/sql_cache.cc @@ -1177,7 +1177,7 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used) DBUG_ASSERT(flags.protocol_type != (unsigned int) Protocol::PROTOCOL_LOCAL); flags.more_results_exists= test(thd->server_status & SERVER_MORE_RESULTS_EXISTS); - flags.in_trans= test(thd->server_status & SERVER_STATUS_IN_TRANS); + flags.in_trans= thd->in_active_multi_stmt_transaction(); flags.autocommit= test(thd->server_status & SERVER_STATUS_AUTOCOMMIT); flags.pkt_nr= net->pkt_nr; flags.character_set_client_num= @@ -1470,7 +1470,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length) flags.protocol_type= (unsigned int) thd->protocol->type(); flags.more_results_exists= test(thd->server_status & SERVER_MORE_RESULTS_EXISTS); - flags.in_trans= test(thd->server_status & SERVER_STATUS_IN_TRANS); + flags.in_trans= thd->in_active_multi_stmt_transaction(); flags.autocommit= test(thd->server_status & SERVER_STATUS_AUTOCOMMIT); flags.pkt_nr= thd->net.pkt_nr; flags.character_set_client_num= thd->variables.character_set_client->number; @@ -1541,7 +1541,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d", } DBUG_PRINT("qcache", ("Query have result 0x%lx", (ulong) query)); - if (thd->in_multi_stmt_transaction() && + if (thd->in_multi_stmt_transaction_mode() && (query->tables_type() & HA_CACHE_TBL_TRANSACT)) { DBUG_PRINT("qcache", @@ -1698,7 +1698,7 @@ void Query_cache::invalidate(THD *thd, TABLE_LIST *tables_used, if (is_disabled()) DBUG_VOID_RETURN; - using_transactions= using_transactions && thd->in_multi_stmt_transaction(); + using_transactions= using_transactions && thd->in_multi_stmt_transaction_mode(); for (; tables_used; tables_used= tables_used->next_local) { DBUG_ASSERT(!using_transactions || tables_used->table!=0); @@ -1782,7 +1782,7 @@ void Query_cache::invalidate(THD *thd, TABLE *table, if (is_disabled()) DBUG_VOID_RETURN; - using_transactions= using_transactions && thd->in_multi_stmt_transaction(); + using_transactions= using_transactions && thd->in_multi_stmt_transaction_mode(); if (using_transactions && (table->file->table_cache_type() == HA_CACHE_TBL_TRANSACT)) thd->add_changed_table(table); @@ -1800,7 +1800,7 @@ void Query_cache::invalidate(THD *thd, const char *key, uint32 key_length, if (is_disabled()) DBUG_VOID_RETURN; - using_transactions= using_transactions && thd->in_multi_stmt_transaction(); + using_transactions= using_transactions && thd->in_multi_stmt_transaction_mode(); if (using_transactions) // used for innodb => has_transactions() is TRUE thd->add_changed_table(key, key_length); else @@ -3572,7 +3572,7 @@ Query_cache::is_cacheable(THD *thd, size_t query_len, const char *query, tables_type))) DBUG_RETURN(0); - if (thd->in_multi_stmt_transaction() && + if (thd->in_multi_stmt_transaction_mode() && ((*tables_type)&HA_CACHE_TBL_TRANSACT)) { DBUG_PRINT("qcache", ("not in autocommin mode")); diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 2cd9a34fba1..3144192a971 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -1440,7 +1440,7 @@ void THD::add_changed_table(TABLE *table) { DBUG_ENTER("THD::add_changed_table(table)"); - DBUG_ASSERT(in_multi_stmt_transaction() && table->file->has_transactions()); + DBUG_ASSERT(in_multi_stmt_transaction_mode() && table->file->has_transactions()); add_changed_table(table->s->table_cache_key.str, (long) table->s->table_cache_key.length); DBUG_VOID_RETURN; diff --git a/sql/sql_class.h b/sql/sql_class.h index 0a098fc8492..ac1a10f57b9 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -2309,10 +2309,6 @@ public: { return limit_found_rows; } - inline bool active_transaction() - { - return server_status & SERVER_STATUS_IN_TRANS; - } /** Returns TRUE if session is in a multi-statement transaction mode. @@ -2323,11 +2319,60 @@ public: OPTION_BEGIN: Regardless of the autocommit status, a multi-statement transaction can be explicitly started with the statements "START TRANSACTION", "BEGIN [WORK]", "[COMMIT | ROLLBACK] AND CHAIN", etc. + + Note: this doesn't tell you whether a transaction is active. + A session can be in multi-statement transaction mode, and yet + have no active transaction, e.g., in case of: + set @@autocommit=0; + set @a= 3; <-- these statements don't + set transaction isolation level serializable; <-- start an active + flush tables; <-- transaction + + I.e. for the above scenario this function returns TRUE, even + though no active transaction has begun. + @sa in_active_multi_stmt_transaction() */ - inline bool in_multi_stmt_transaction() + inline bool in_multi_stmt_transaction_mode() { return variables.option_bits & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN); } + /** + TRUE if the session is in a multi-statement transaction mode + (@sa in_multi_stmt_transaction_mode()) *and* there is an + active transaction, i.e. there is an explicit start of a + transaction with BEGIN statement, or implicit with a + statement that uses a transactional engine. + + For example, these scenarios don't start an active transaction + (even though the server is in multi-statement transaction mode): + + set @@autocommit=0; + select * from nontrans_table; + set @var=TRUE; + flush tables; + + Note, that even for a statement that starts a multi-statement + transaction (i.e. select * from trans_table), this + flag won't be set until we open the statement's tables + and the engines register themselves for the transaction + (see trans_register_ha()), + hence this method is reliable to use only after + open_tables() has completed. + + Why do we need a flag? + ---------------------- + We need to maintain a (at first glance redundant) + session flag, rather than looking at thd->transaction.all.ha_list + because of explicit start of a transaction with BEGIN. + + I.e. in case of + BEGIN; + select * from nontrans_t1; <-- in_active_multi_stmt_transaction() is true + */ + inline bool in_active_multi_stmt_transaction() + { + return server_status & SERVER_STATUS_IN_TRANS; + } inline bool fill_derived_tables() { return !stmt_arena->is_stmt_prepare() && !lex->only_view_structure(); diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index 1fd94b0d469..c8faac7c91d 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -2765,7 +2765,7 @@ end_with_restore_list: client thread has locked tables */ if (thd->locked_tables_mode || - thd->active_transaction() || thd->global_read_lock.is_acquired()) + thd->in_active_multi_stmt_transaction() || thd->global_read_lock.is_acquired()) { my_message(ER_LOCK_OR_ACTIVE_TRANSACTION, ER(ER_LOCK_OR_ACTIVE_TRANSACTION), MYF(0)); @@ -3273,7 +3273,7 @@ end_with_restore_list: Don't allow this within a transaction because we want to use re-generate table */ - if (thd->active_transaction()) + if (thd->in_active_multi_stmt_transaction()) { my_message(ER_LOCK_OR_ACTIVE_TRANSACTION, ER(ER_LOCK_OR_ACTIVE_TRANSACTION), MYF(0)); @@ -4711,6 +4711,9 @@ finish: thd->global_read_lock.start_waiting_global_read_lock(thd); } + DBUG_ASSERT(!thd->in_active_multi_stmt_transaction() || + thd->in_multi_stmt_transaction_mode()); + if (stmt_causes_implicit_commit(thd, CF_IMPLICIT_COMMIT_END)) { /* If commit fails, we should be able to reset the OK status. */ @@ -5524,7 +5527,7 @@ void THD::reset_for_next_command() OPTION_STATUS_NO_TRANS_UPDATE | OPTION_KEEP_LOG to not get warnings in ha_rollback_trans() about some tables couldn't be rolled back. */ - if (!thd->in_multi_stmt_transaction()) + if (!thd->in_multi_stmt_transaction_mode()) { thd->variables.option_bits&= ~OPTION_KEEP_LOG; thd->transaction.all.modified_non_trans_table= FALSE; diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc index c8f53235793..c2d3c595d95 100644 --- a/sql/sql_prepare.cc +++ b/sql/sql_prepare.cc @@ -3246,7 +3246,7 @@ bool Prepared_statement::prepare(const char *packet, uint packet_len) locks have already been released and our savepoint points to ticket which has been released as well. */ - if (thd->in_multi_stmt_transaction()) + if (thd->in_multi_stmt_transaction_mode()) thd->mdl_context.rollback_to_savepoint(mdl_savepoint); thd->restore_backup_statement(this, &stmt_backup); thd->stmt_arena= old_stmt_arena; diff --git a/sql/sql_rename.cc b/sql/sql_rename.cc index d387010141c..ea95b59b0c2 100644 --- a/sql/sql_rename.cc +++ b/sql/sql_rename.cc @@ -54,7 +54,7 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list, bool silent) if the user is trying to to do this in a transcation context */ - if (thd->locked_tables_mode || thd->active_transaction()) + if (thd->locked_tables_mode || thd->in_active_multi_stmt_transaction()) { my_message(ER_LOCK_OR_ACTIVE_TRANSACTION, ER(ER_LOCK_OR_ACTIVE_TRANSACTION), MYF(0)); diff --git a/sql/sql_table.cc b/sql/sql_table.cc index b688d706762..4987e937555 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -6559,7 +6559,7 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name, if the user is trying to to do this in a transcation context */ - if (thd->locked_tables_mode || thd->active_transaction()) + if (thd->locked_tables_mode || thd->in_active_multi_stmt_transaction()) { my_message(ER_LOCK_OR_ACTIVE_TRANSACTION, ER(ER_LOCK_OR_ACTIVE_TRANSACTION), MYF(0)); diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index b5df2ae58c1..b8312fc3255 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -295,7 +295,7 @@ static bool binlog_format_check(sys_var *self, THD *thd, set_var *var) /* Make the session variable 'binlog_format' read-only inside a transaction. */ - if (thd->active_transaction()) + if (thd->in_active_multi_stmt_transaction()) { my_error(ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT, MYF(0)); return true; @@ -348,7 +348,7 @@ static bool binlog_direct_check(sys_var *self, THD *thd, set_var *var) Makes the session variable 'binlog_direct_non_transactional_updates' read-only inside a transaction. */ - if (thd->active_transaction()) + if (thd->in_active_multi_stmt_transaction()) { my_error(ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT, MYF(0)); return true; @@ -1428,7 +1428,7 @@ static my_bool read_only; static bool check_read_only(sys_var *self, THD *thd, set_var *var) { /* Prevent self dead-lock */ - if (thd->locked_tables_mode || thd->active_transaction()) + if (thd->locked_tables_mode || thd->in_active_multi_stmt_transaction()) { my_error(ER_LOCK_OR_ACTIVE_TRANSACTION, MYF(0)); return true; @@ -2006,15 +2006,20 @@ static Sys_var_ulong Sys_thread_pool_size( VALID_RANGE(1, 16384), DEFAULT(20), BLOCK_SIZE(0)); #endif -// Can't change the 'next' tx_isolation if we are already in a transaction +/** + Can't change the 'next' tx_isolation if we are already in a + transaction. +*/ + static bool check_tx_isolation(sys_var *self, THD *thd, set_var *var) { - if (var->type == OPT_DEFAULT && (thd->server_status & SERVER_STATUS_IN_TRANS)) + if (var->type == OPT_DEFAULT && thd->in_active_multi_stmt_transaction()) { + DBUG_ASSERT(thd->in_multi_stmt_transaction_mode()); my_error(ER_CANT_CHANGE_TX_ISOLATION, MYF(0)); - return true; + return TRUE; } - return false; + return FALSE; } /* @@ -2027,6 +2032,7 @@ static bool fix_tx_isolation(sys_var *self, THD *thd, enum_var_type type) thd->session_tx_isolation= (enum_tx_isolation)thd->variables.tx_isolation; return false; } + // NO_CMD_LINE - different name of the option static Sys_var_enum Sys_tx_isolation( "tx_isolation", "Default transaction isolation level", diff --git a/sql/transaction.cc b/sql/transaction.cc index ff4eabc2b0f..5047de1ccdc 100644 --- a/sql/transaction.cc +++ b/sql/transaction.cc @@ -169,7 +169,7 @@ bool trans_commit_implicit(THD *thd) if (trans_check(thd)) DBUG_RETURN(TRUE); - if (thd->in_multi_stmt_transaction() || + if (thd->in_multi_stmt_transaction_mode() || (thd->variables.option_bits & OPTION_TABLE_LOCK)) { /* Safety if one did "drop table" on locked tables */ @@ -305,7 +305,7 @@ bool trans_savepoint(THD *thd, LEX_STRING name) SAVEPOINT **sv, *newsv; DBUG_ENTER("trans_savepoint"); - if (!(thd->in_multi_stmt_transaction() || thd->in_sub_stmt) || + if (!(thd->in_multi_stmt_transaction_mode() || thd->in_sub_stmt) || !opt_using_transactions) DBUG_RETURN(FALSE); @@ -467,7 +467,7 @@ bool trans_xa_start(THD *thd) my_error(ER_XAER_INVAL, MYF(0)); else if (xa_state != XA_NOTR) my_error(ER_XAER_RMFAIL, MYF(0), xa_state_names[xa_state]); - else if (thd->locked_tables_mode || thd->active_transaction()) + else if (thd->locked_tables_mode || thd->in_active_multi_stmt_transaction()) my_error(ER_XAER_OUTSIDE, MYF(0)); else if (xid_cache_search(thd->lex->xid)) my_error(ER_XAER_DUPID, MYF(0)); From 59ecf3bb796f150ebf2be7fc47a16e120a31851a Mon Sep 17 00:00:00 2001 From: Calvin Sun Date: Fri, 7 May 2010 15:37:34 -0500 Subject: [PATCH 283/400] Clean up CMake file by removing duplicate entry for Windows. Suggested by Vlad. --- storage/innobase/CMakeLists.txt | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/storage/innobase/CMakeLists.txt b/storage/innobase/CMakeLists.txt index c20fe397292..6aec52032f3 100644 --- a/storage/innobase/CMakeLists.txt +++ b/storage/innobase/CMakeLists.txt @@ -182,7 +182,11 @@ IF(SIZEOF_PTHREAD_T) ENDIF() IF(MSVC) - ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) + # Windows atomics do not perform well. Disable Windows atomics by default. + # See bug#52102 for details. + + #ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) + ADD_DEFINITIONS(-DHAVE_IB_PAUSE_INSTRUCTION) ENDIF() @@ -240,10 +244,6 @@ SET(INNOBASE_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea.c usr/usr0sess.c ut/ut0byte.c ut/ut0dbg.c ut/ut0list.c ut/ut0mem.c ut/ut0rbt.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c) -# Windows atomics do not perform well. Disable Windows atomics by default. -# See bug#52102 for details. -#ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION) -ADD_DEFINITIONS(-DHAVE_IB_PAUSE_INSTRUCTION) IF(WITH_INNODB) # Legacy option From 053d75eadbab87a51eb88ec2acb30795e7ec9784 Mon Sep 17 00:00:00 2001 From: Calvin Sun Date: Fri, 7 May 2010 16:40:30 -0500 Subject: [PATCH 284/400] Fix compile errors on x64 Windows. Change types of srv_purge_batch_size and srv_n_purge_threads from ulint to ulong. --- storage/innobase/include/srv0srv.h | 4 ++-- storage/innobase/srv/srv0srv.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/storage/innobase/include/srv0srv.h b/storage/innobase/include/srv0srv.h index 44c1cd2ae63..e5f019e8ce3 100644 --- a/storage/innobase/include/srv0srv.h +++ b/storage/innobase/include/srv0srv.h @@ -272,10 +272,10 @@ log buffer and have to flush it */ extern ulint srv_log_waits; /* the number of purge threads to use from the worker pool (currently 0 or 1) */ -extern ulint srv_n_purge_threads; +extern ulong srv_n_purge_threads; /* the number of records to purge in one batch */ -extern ulint srv_purge_batch_size; +extern ulong srv_purge_batch_size; /* variable that counts amount of data read in total (in bytes) */ extern ulint srv_data_read; diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 9ddb7a2f046..55251f81435 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -244,10 +244,10 @@ that during a time of heavy update/insert activity. */ UNIV_INTERN ulong srv_max_buf_pool_modified_pct = 75; /* the number of purge threads to use from the worker pool (currently 0 or 1).*/ -UNIV_INTERN ulint srv_n_purge_threads = 0; +UNIV_INTERN ulong srv_n_purge_threads = 0; /* the number of records to purge in one batch */ -UNIV_INTERN ulint srv_purge_batch_size = 20; +UNIV_INTERN ulong srv_purge_batch_size = 20; /* variable counts amount of data read in total (in bytes) */ UNIV_INTERN ulint srv_data_read = 0; From c7fc8045cb15f7edc587b133337aa28bc1dd9cc5 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Mon, 10 May 2010 13:17:17 +1000 Subject: [PATCH 285/400] Fix bug#53499 - purge thread is active during shutdown, assert buf/buf0buf.c line 4115. Check that all background threads are suspended or shutdown instead of just checking for the master thread. rb://333 --- storage/innobase/include/srv0srv.h | 8 ++++---- storage/innobase/log/log0log.c | 14 +++++++------- storage/innobase/srv/srv0srv.c | 18 ++++++++++++------ 3 files changed, 23 insertions(+), 17 deletions(-) diff --git a/storage/innobase/include/srv0srv.h b/storage/innobase/include/srv0srv.h index e5f019e8ce3..75af697e046 100644 --- a/storage/innobase/include/srv0srv.h +++ b/storage/innobase/include/srv0srv.h @@ -639,12 +639,12 @@ srv_que_task_enqueue_low( que_thr_t* thr); /*!< in: query thread */ /**********************************************************************//** -Check whether the master thread is active. -@return FALSE is it is not active. */ +Check whether any background thread is active. +@return FALSE if all are are suspended or have exited. */ UNIV_INTERN ibool -srv_is_master_thread_active(void); -/*==============================*/ +srv_is_any_background_thread_active(void); +/*======================================*/ /** Status variables to be passed to MySQL */ struct export_var_struct{ diff --git a/storage/innobase/log/log0log.c b/storage/innobase/log/log0log.c index 65985aed588..386f9630baa 100644 --- a/storage/innobase/log/log0log.c +++ b/storage/innobase/log/log0log.c @@ -3133,9 +3133,9 @@ loop: mutex_exit(&kernel_mutex); - /* Check that the master thread is suspended */ + /* Check that the background threads are suspended */ - if (srv_is_master_thread_active()) { + if (srv_is_any_background_thread_active()) { goto loop; } @@ -3196,10 +3196,10 @@ loop: mutex_exit(&(log_sys->mutex)); - /* Check that the master thread has stayed suspended */ - if (srv_is_master_thread_active()) { + /* Check that the background threads stay suspended */ + if (srv_is_any_background_thread_active()) { fprintf(stderr, - "InnoDB: Warning: the master thread woke up" + "InnoDB: Warning: some background thread woke up" " during shutdown\n"); goto loop; @@ -3221,7 +3221,7 @@ loop: srv_shutdown_state = SRV_SHUTDOWN_LAST_PHASE; /* Make some checks that the server really is quiet */ - ut_a(!srv_is_master_thread_active()); + ut_a(!srv_is_any_background_thread_active()); ut_a(buf_all_freed()); ut_a(lsn == log_sys->lsn); @@ -3243,7 +3243,7 @@ loop: fil_close_all_files(); /* Make some checks that the server really is quiet */ - ut_a(!srv_is_master_thread_active()); + ut_a(!srv_is_any_background_thread_active()); ut_a(buf_all_freed()); ut_a(lsn == log_sys->lsn); diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 55251f81435..11448e4e166 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2559,18 +2559,24 @@ srv_inc_activity_count(void) } /**********************************************************************//** -Check whether the master thread is active. -@return FALSE is it is not active. */ +Check whether any background thread is active. +@return FALSE if all are are suspended or have exited. */ UNIV_INTERN ibool -srv_is_master_thread_active(void) -/*=============================*/ +srv_is_any_background_thread_active(void) +/*=====================================*/ { - ibool ret; + ulint i; + ibool ret = FALSE; srv_sys_mutex_enter(); - ret = srv_sys->n_threads_active[SRV_MASTER] != 0; + for (i = SRV_COM; i <= SRV_MASTER; ++i) { + if (srv_sys->n_threads_active[i] != 0) { + ret = TRUE; + break; + } + } srv_sys_mutex_exit(); From 213aa2f5a408278deeb3af973b7815dd87e7e4ac Mon Sep 17 00:00:00 2001 From: Marko Makela Date: Mon, 10 May 2010 14:34:14 +0200 Subject: [PATCH 286/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3450 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-05 14:24:11 +0300 message: row_merge_drop_temp_indexes(): Load the table via the dictionary cache. Allow multiple indexes to be dropped. (Bug #53256) --- storage/innobase/row/row0merge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 5d85931a982..0b8db8a321e 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -2111,7 +2111,7 @@ row_merge_drop_temp_indexes(void) btr_pcur_store_position(&pcur, &mtr); btr_pcur_commit_specify_mtr(&pcur, &mtr); - table = dict_load_table_on_id(table_id); + table = dict_table_get_on_id_low(table_id); if (table) { dict_index_t* index; From a2ea94bac79e1ce9b80aba19bdf545fc68a46665 Mon Sep 17 00:00:00 2001 From: Marko Makela Date: Mon, 10 May 2010 15:14:45 +0200 Subject: [PATCH 287/400] Merge from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3454 committer: Marko Makela branch nick: mysql-5.1-innodb timestamp: Mon 2010-05-10 13:37:52 +0200 message: Add an innodb test case for Bug #49164. --- .../suite/innodb/r/innodb_bug49164.result | 42 +++++++++++++++++ .../suite/innodb/t/innodb_bug49164.test | 47 +++++++++++++++++++ 2 files changed, 89 insertions(+) create mode 100644 mysql-test/suite/innodb/r/innodb_bug49164.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug49164.test diff --git a/mysql-test/suite/innodb/r/innodb_bug49164.result b/mysql-test/suite/innodb/r/innodb_bug49164.result new file mode 100644 index 00000000000..9456702e1d0 --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug49164.result @@ -0,0 +1,42 @@ +SET tx_isolation = 'READ-COMMITTED'; +CREATE TABLE bug49164 (a INT, b BIGINT, c TINYINT, PRIMARY KEY (a, b)) +ENGINE=InnoDB; +insert into bug49164 values (1,1,1), (2,2,2), (3,3,3); +begin; +update bug49164 set c=7; +select * from bug49164; +a b c +1 1 7 +2 2 7 +3 3 7 +rollback; +select * from bug49164; +a b c +1 1 1 +2 2 2 +3 3 3 +begin; +update bug49164 set c=7; +SET tx_isolation = 'READ-COMMITTED'; +begin; +select * from bug49164; +a b c +1 1 1 +2 2 2 +3 3 3 +commit; +begin; +update bug49164 set c=6 where a=1 and b=1; +rollback; +select * from bug49164; +a b c +1 1 1 +2 2 2 +3 3 3 +commit; +select * from bug49164; +a b c +1 1 6 +2 2 2 +3 3 3 +drop table bug49164; diff --git a/mysql-test/suite/innodb/t/innodb_bug49164.test b/mysql-test/suite/innodb/t/innodb_bug49164.test new file mode 100644 index 00000000000..7f1c9f4ca9c --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug49164.test @@ -0,0 +1,47 @@ +-- source include/have_innodb.inc + +# Bug #49164 READ-COMMITTED reports "matched: 0" on compound PK +# a duplicate of +# Bug #52663 Lost update incrementing column value under READ COMMITTED + +connect (con1,localhost,root,,); +connect (con2,localhost,root,,); + +connection con1; +SET tx_isolation = 'READ-COMMITTED'; + +CREATE TABLE bug49164 (a INT, b BIGINT, c TINYINT, PRIMARY KEY (a, b)) +ENGINE=InnoDB; + +insert into bug49164 values (1,1,1), (2,2,2), (3,3,3); + +begin; +update bug49164 set c=7; +select * from bug49164; +rollback; +select * from bug49164; +begin; +update bug49164 set c=7; + +connection con2; + +SET tx_isolation = 'READ-COMMITTED'; +begin; +select * from bug49164; +commit; +begin; +--send +update bug49164 set c=6 where a=1 and b=1; + +connection con1; +rollback; +select * from bug49164; +connection con2; +reap; +commit; +connection con1; +select * from bug49164; +connection default; +disconnect con1; +disconnect con2; +drop table bug49164; From 1a1d4603384e9cd80dca59cf3ff6b57de6e42020 Mon Sep 17 00:00:00 2001 From: Inaam Rana Date: Mon, 10 May 2010 17:44:40 -0400 Subject: [PATCH 288/400] Undo the changes made by Vasil in sys_vars/all_vars when adjusting for the new parameters introduced in the plugin 1.1. Now that we have basic tests for all these new parameters it is no longer needed to adjust the all_vars.result file. --- mysql-test/suite/sys_vars/r/all_vars.result | 8 -------- 1 file changed, 8 deletions(-) diff --git a/mysql-test/suite/sys_vars/r/all_vars.result b/mysql-test/suite/sys_vars/r/all_vars.result index bc36e2cb848..0f741ff930a 100644 --- a/mysql-test/suite/sys_vars/r/all_vars.result +++ b/mysql-test/suite/sys_vars/r/all_vars.result @@ -10,13 +10,5 @@ There should be *no* long test name listed below: select variable_name as `There should be *no* variables listed below:` from t2 left join t1 on variable_name=test_name where test_name is null; There should be *no* variables listed below: -INNODB_USE_NATIVE_AIO -INNODB_PURGE_THREADS -INNODB_PURGE_BATCH_SIZE -INNODB_BUFFER_POOL_INSTANCES -INNODB_USE_NATIVE_AIO -INNODB_PURGE_THREADS -INNODB_PURGE_BATCH_SIZE -INNODB_BUFFER_POOL_INSTANCES drop table t1; drop table t2; From 3fa6723ff9dbef8cbab259117da4fdcb0bbec9c2 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Tue, 11 May 2010 12:57:11 +1000 Subject: [PATCH 289/400] Second part of the fix for bug#53499. We decrement the active thread count when the purge thread completes by calling srv_suspend_thread(). --- storage/innobase/srv/srv0srv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 11448e4e166..5445bd264d8 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -3236,6 +3236,9 @@ srv_purge_thread( srv_sync_log_buffer_in_background(); } + /* Decrement the active count. */ + srv_suspend_thread(); + /* Free the thread local memory. */ thr_local_free(os_thread_get_curr_id()); From d8226b53eea1d88884af105f30d557fc66a741f3 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Tue, 11 May 2010 13:03:24 +1000 Subject: [PATCH 290/400] Fix for bug#53541. We need to check whether the slot has been freed or not before trying to access the transaction instance. rb://336 --- storage/innobase/srv/srv0srv.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 5445bd264d8..36f0fc0f0cc 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2322,7 +2322,15 @@ srv_lock_check_wait( srv_sys_mutex_enter(); - slot_trx = thr_get_trx(slot->thr); + /* If the slot has been freed and is not being reused + then the slot->thr entry should be NULL. */ + if (slot->thr != NULL) { + ut_a(slot->in_use) + slot_trx = thr_get_trx(slot->thr); + } else { + ut_a(!slot->in_use) + slot_trx = NULL; + } /* We can't compare the pointers here because the memory can be recycled. Transaction ids are not From b57e20d9ff6d8402283e4a01300f42e5bb68f5dc Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Tue, 11 May 2010 13:55:47 +1000 Subject: [PATCH 291/400] Add missing ';'. --- storage/innobase/srv/srv0srv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 36f0fc0f0cc..fac5277aaa9 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -2325,10 +2325,10 @@ srv_lock_check_wait( /* If the slot has been freed and is not being reused then the slot->thr entry should be NULL. */ if (slot->thr != NULL) { - ut_a(slot->in_use) + ut_a(slot->in_use); slot_trx = thr_get_trx(slot->thr); } else { - ut_a(!slot->in_use) + ut_a(!slot->in_use); slot_trx = NULL; } From ad79491cd19b975e5e788015ef18a045bf959eba Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 11 May 2010 18:39:19 +0300 Subject: [PATCH 292/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3456 revision-id: marko.makela@oracle.com-20100511104500-c6kzd0bg5s42p8e9 parent: vasil.dimov@oracle.com-20100510132852-cz457uqvj8iiy9mm committer: Marko Mäkelä branch nick: mysql-5.1-innodb2 timestamp: Tue 2010-05-11 13:45:00 +0300 message: Remove a stray expression. Spotted by Sunny Bains. --- storage/innobase/page/page0zip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/page/page0zip.c b/storage/innobase/page/page0zip.c index cc7ec2f404c..d9f61cea335 100644 --- a/storage/innobase/page/page0zip.c +++ b/storage/innobase/page/page0zip.c @@ -571,7 +571,7 @@ page_zip_dir_encode( /* Traverse the list of stored records in the collation order, starting from the first user record. */ - rec = page + PAGE_NEW_INFIMUM, TRUE; + rec = page + PAGE_NEW_INFIMUM; i = 0; From dac407ca362b94ecdb5eaf681fdb9c2d2c67b0e1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 11 May 2010 18:42:44 +0300 Subject: [PATCH 293/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3457 revision-id: marko.makela@oracle.com-20100511104910-nim8kgguawpis7zo parent: marko.makela@oracle.com-20100511104500-c6kzd0bg5s42p8e9 committer: Marko Mäkelä branch nick: mysql-5.1-innodb timestamp: Tue 2010-05-11 13:49:10 +0300 message: btr_page_split_and_insert(): Add an assertion suggested by Sunny Bains when reviewing Bug #52964. --- storage/innobase/btr/btr0btr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/storage/innobase/btr/btr0btr.c b/storage/innobase/btr/btr0btr.c index 4d975560331..05dd094b6df 100644 --- a/storage/innobase/btr/btr0btr.c +++ b/storage/innobase/btr/btr0btr.c @@ -2004,6 +2004,7 @@ func_start: goto insert_empty; } } else if (UNIV_UNLIKELY(insert_left)) { + ut_a(n_iterations > 0); first_rec = page_rec_get_next(page_get_infimum_rec(page)); move_limit = page_rec_get_next(btr_cur_get_rec(cursor)); } else { From 9a3c4becccc74cdbb29bf53a0882401dc7c99e80 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 11 May 2010 18:46:17 +0300 Subject: [PATCH 294/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3458 revision-id: marko.makela@oracle.com-20100511105012-b2t7wvz6mu6bll74 parent: marko.makela@oracle.com-20100511104910-nim8kgguawpis7zo committer: Marko Mäkelä branch nick: mysql-5.1-innodb timestamp: Tue 2010-05-11 13:50:12 +0300 message: Do not demand that buf_page_t be fully initialized on 64-bit systems. There may be padding before buf_page_t::zip. (Bug #53307) --- storage/innobase/buf/buf0lru.c | 10 ++++++++++ storage/innobase/include/buf0buf.ic | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/storage/innobase/buf/buf0lru.c b/storage/innobase/buf/buf0lru.c index 6a4c18aa86e..9de68e23533 100644 --- a/storage/innobase/buf/buf0lru.c +++ b/storage/innobase/buf/buf0lru.c @@ -1472,7 +1472,12 @@ buf_LRU_free_block( ut_ad(buf_page_in_file(bpage)); ut_ad(bpage->in_LRU_list); ut_ad(!bpage->in_flush_list == !bpage->oldest_modification); +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no padding in buf_page_t. On + other systems, Valgrind could complain about uninitialized pad + bytes. */ UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); +#endif if (!buf_page_can_relocate(bpage)) { @@ -1779,7 +1784,12 @@ buf_LRU_block_remove_hashed_page( ut_a(buf_page_get_io_fix(bpage) == BUF_IO_NONE); ut_a(bpage->buf_fix_count == 0); +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no padding in + buf_page_t. On other systems, Valgrind could complain + about uninitialized pad bytes. */ UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); +#endif buf_LRU_remove_block(bpage); diff --git a/storage/innobase/include/buf0buf.ic b/storage/innobase/include/buf0buf.ic index c30be5b2635..713b7cb990d 100644 --- a/storage/innobase/include/buf0buf.ic +++ b/storage/innobase/include/buf0buf.ic @@ -975,7 +975,12 @@ buf_page_hash_get_low( ut_a(buf_page_in_file(bpage)); ut_ad(bpage->in_page_hash); ut_ad(!bpage->in_zip_hash); +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no padding in + buf_page_t. On other systems, Valgrind could complain + about uninitialized pad bytes. */ UNIV_MEM_ASSERT_RW(bpage, sizeof *bpage); +#endif } return(bpage); From 65c34aaf417ad9ab28cab7e1e8eb5857f49ebb1d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 11 May 2010 19:18:28 +0300 Subject: [PATCH 295/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3459 revision-id: marko.makela@oracle.com-20100511105308-grp2t3prh3tqivw0 parent: marko.makela@oracle.com-20100511105012-b2t7wvz6mu6bll74 parent: marko.makela@oracle.com-20100505123901-xjxu93h1xnbkfkq0 committer: Marko Mäkelä branch nick: mysql-5.1-innodb timestamp: Tue 2010-05-11 13:53:08 +0300 message: Merge a patch from Facebook to fix Bug #53290 commit e759bc64eb5c5eed4f75677ad67246797d486460 Author: Ryan Mack Date: 3 days ago Bugfix for 53290, fast unique index creation fails on duplicate null values Summary: Bug in the fast index creation code incorrectly considers null values to be duplicates during block merging. Innodb policy is that multiple null values are allowed in a unique index. Null duplicates were correctly ignored while sorting individual blocks and with slow index creation. Test Plan: mtr, including new test, load dbs using deferred index creation License: Copyright (C) 2009-2010 Facebook, Inc. All Rights Reserved. Dual licensed under BSD license and GPLv2. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY FACEBOOK, INC. ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL FACEBOOK, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ------------------------------------------------------------ revno: 3453.2.1 revision-id: marko.makela@oracle.com-20100505123901-xjxu93h1xnbkfkq0 parent: marko.makela@oracle.com-20100505120555-ukoq1gklpheslrxs committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-05 15:39:01 +0300 message: Merge a contribution from Ryan Mack at Facebook: Bugfix for 53290, fast unique index creation fails on duplicate null values Summary: Bug in the fast index creation code incorrectly considers null values to be duplicates during block merging. Innodb policy is that multiple null values are allowed in a unique index. Null duplicates were correctly ignored while sorting individual blocks and with slow index creation. Test Plan: mtr, including new test, load dbs using deferred index creation DiffCamp Revision: 110840 Reviewed By: mcallaghan CC: mcallaghan, mysql-devel@lists Revert Plan: OK --- .../suite/innodb/r/innodb_bug53290.result | 17 ++++++++++++++ .../suite/innodb/t/innodb_bug53290.test | 22 +++++++++++++++++++ storage/innobase/include/rem0cmp.h | 4 +++- storage/innobase/rem/rem0cmp.c | 7 +++++- storage/innobase/row/row0merge.c | 13 +++++++---- 5 files changed, 57 insertions(+), 6 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb_bug53290.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug53290.test diff --git a/mysql-test/suite/innodb/r/innodb_bug53290.result b/mysql-test/suite/innodb/r/innodb_bug53290.result new file mode 100644 index 00000000000..46cd7248c4e --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug53290.result @@ -0,0 +1,17 @@ +create table bug53290 (x bigint) engine=innodb; +insert into bug53290 () values (),(),(),(),(),(),(),(),(),(),(),(); +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +alter table bug53290 add unique index `idx` (x); +drop table bug53290; diff --git a/mysql-test/suite/innodb/t/innodb_bug53290.test b/mysql-test/suite/innodb/t/innodb_bug53290.test new file mode 100644 index 00000000000..ea15212fa39 --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug53290.test @@ -0,0 +1,22 @@ +-- source include/have_innodb.inc + +create table bug53290 (x bigint) engine=innodb; + +insert into bug53290 () values (),(),(),(),(),(),(),(),(),(),(),(); +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; +insert into bug53290 select * from bug53290; + +alter table bug53290 add unique index `idx` (x); + +drop table bug53290; diff --git a/storage/innobase/include/rem0cmp.h b/storage/innobase/include/rem0cmp.h index 072f74267ea..2f751a38864 100644 --- a/storage/innobase/include/rem0cmp.h +++ b/storage/innobase/include/rem0cmp.h @@ -148,7 +148,9 @@ cmp_rec_rec_simple( const rec_t* rec2, /*!< in: physical record */ const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ - const dict_index_t* index); /*!< in: data dictionary index */ + const dict_index_t* index, /*!< in: data dictionary index */ + ibool* null_eq);/*!< out: set to TRUE if + found matching null values */ /*************************************************************//** This function is used to compare two physical records. Only the common first fields are compared, and if an externally stored field is diff --git a/storage/innobase/rem/rem0cmp.c b/storage/innobase/rem/rem0cmp.c index e6dab0bc66b..35b67992558 100644 --- a/storage/innobase/rem/rem0cmp.c +++ b/storage/innobase/rem/rem0cmp.c @@ -706,7 +706,9 @@ cmp_rec_rec_simple( const rec_t* rec2, /*!< in: physical record */ const ulint* offsets1,/*!< in: rec_get_offsets(rec1, ...) */ const ulint* offsets2,/*!< in: rec_get_offsets(rec2, ...) */ - const dict_index_t* index) /*!< in: data dictionary index */ + const dict_index_t* index, /*!< in: data dictionary index */ + ibool* null_eq)/*!< out: set to TRUE if + found matching null values */ { ulint rec1_f_len; /*!< length of current field in rec1 */ const byte* rec1_b_ptr; /*!< pointer to the current byte @@ -753,6 +755,9 @@ cmp_rec_rec_simple( || rec2_f_len == UNIV_SQL_NULL) { if (rec1_f_len == rec2_f_len) { + if (null_eq) { + *null_eq = TRUE; + } goto next_field; diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 0b8db8a321e..a5bc6902983 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -1091,11 +1091,14 @@ row_merge_cmp( record to be compared */ const ulint* offsets1, /*!< in: first record offsets */ const ulint* offsets2, /*!< in: second record offsets */ - const dict_index_t* index) /*!< in: index */ + const dict_index_t* index, /*!< in: index */ + ibool* null_eq) /*!< out: set to TRUE if + found matching null values */ { int cmp; - cmp = cmp_rec_rec_simple(mrec1, mrec2, offsets1, offsets2, index); + cmp = cmp_rec_rec_simple(mrec1, mrec2, offsets1, offsets2, index, + null_eq); #ifdef UNIV_DEBUG if (row_merge_print_cmp) { @@ -1461,11 +1464,13 @@ corrupt: } while (mrec0 && mrec1) { + ibool null_eq = FALSE; switch (row_merge_cmp(mrec0, mrec1, - offsets0, offsets1, index)) { + offsets0, offsets1, index, + &null_eq)) { case 0: if (UNIV_UNLIKELY - (dict_index_is_unique(index))) { + (dict_index_is_unique(index) && !null_eq)) { innobase_rec_to_mysql(table, mrec0, index, offsets0); mem_heap_free(heap); From 42974cbfa6624a6713ab9cd5410f095e2e652195 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 11 May 2010 20:02:49 +0300 Subject: [PATCH 296/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3459 revision-id: marko.makela@oracle.com-20100511165845-lsw7seixftgzpfqt parent: vasil.dimov@oracle.com-20100511110029-18xvuu6r7har8toh committer: Marko Mäkelä branch nick: mysql-5.1-innodb2 timestamp: Tue 2010-05-11 19:58:45 +0300 message: Fix sys_vars.tx_isolation_func.test, which was broken in revno 3432 when making READ UNCOMMITTED lock as little as READ COMMITTED. --- .../suite/sys_vars/r/tx_isolation_func.result | 25 ++++++++++++++++--- .../suite/sys_vars/t/tx_isolation_func.test | 3 --- 2 files changed, 22 insertions(+), 6 deletions(-) diff --git a/mysql-test/suite/sys_vars/r/tx_isolation_func.result b/mysql-test/suite/sys_vars/r/tx_isolation_func.result index 2242525f14b..6b4c990c71c 100644 --- a/mysql-test/suite/sys_vars/r/tx_isolation_func.result +++ b/mysql-test/suite/sys_vars/r/tx_isolation_func.result @@ -95,10 +95,7 @@ a b 22 10 24 10 INSERT INTO t1 VALUES(23, 23); -ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t1 VALUES(25, 25); -ERROR HY000: Lock wait timeout exceeded; try restarting transaction -Bug: Only even rows are being locked, error 1205 should'nt have occured SELECT * FROM t1; a b 2 10 @@ -109,7 +106,9 @@ a b 18 10 20 10 22 10 +23 23 24 10 +25 25 COMMIT; ** Connection con0 ** COMMIT; @@ -144,7 +143,9 @@ a b 18 10 20 10 22 10 +23 23 24 10 +25 25 INSERT INTO t1 VALUES(5, 5); INSERT INTO t1 VALUES(7, 7); SELECT * FROM t1; @@ -159,7 +160,9 @@ a b 18 10 20 10 22 10 +23 23 24 10 +25 25 COMMIT; ** Connection con0 ** COMMIT; @@ -196,7 +199,9 @@ a b 18 11 20 11 22 11 +23 23 24 11 +25 25 INSERT INTO t1 VALUES(9, 9); ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t1 VALUES(13, 13); @@ -214,7 +219,9 @@ a b 18 11 20 11 22 11 +23 23 24 11 +25 25 COMMIT; ** Connection con0 ** COMMIT; @@ -225,6 +232,8 @@ SELECT * FROM t1 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0 FOR UPDATE; a b 5 5 7 7 +23 23 +25 25 UPDATE t1 SET b = 13 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0; ** Connection con1 ** START TRANSACTION; @@ -240,7 +249,9 @@ a b 18 12 20 12 22 12 +23 23 24 12 +25 25 INSERT INTO t1 VALUES(9, 9); ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t1 VALUES(13, 13); @@ -258,7 +269,9 @@ a b 18 12 20 12 22 12 +23 23 24 12 +25 25 COMMIT; ** Connection con0 ** COMMIT; @@ -273,7 +286,9 @@ a b 18 12 20 12 22 12 +23 13 24 12 +25 13 UPDATE t1 SET b = 14 WHERE a IN (2,4,6,8) = 0; ** Connection con1 ** START TRANSACTION; @@ -289,7 +304,9 @@ a b 18 12 20 12 22 12 +23 13 24 12 +25 13 INSERT INTO t1 VALUES(9, 9); ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t1 VALUES(13, 13); @@ -307,7 +324,9 @@ a b 18 12 20 12 22 12 +23 13 24 12 +25 13 COMMIT; ** Connection con0 ** COMMIT; diff --git a/mysql-test/suite/sys_vars/t/tx_isolation_func.test b/mysql-test/suite/sys_vars/t/tx_isolation_func.test index 1fd2e323db8..7072de6b086 100644 --- a/mysql-test/suite/sys_vars/t/tx_isolation_func.test +++ b/mysql-test/suite/sys_vars/t/tx_isolation_func.test @@ -134,12 +134,9 @@ START TRANSACTION; SELECT * FROM t1; ---error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(23, 23); ---error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(25, 25); ---echo Bug: Only even rows are being locked, error 1205 should'nt have occured SELECT * FROM t1; From 1b12a1c403abbef22470594b536569c0db0223c6 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Wed, 12 May 2010 11:18:10 +1000 Subject: [PATCH 297/400] Revert the kernel mutex split phase I patch. Some artefacts have been left in the code but they have nothing to do with the kernel mutex split code. Some subsequent commits use the new functions. This patch has been tested with: ./mtr --suite=innodb with UNIV_DEBUG and UNIV_SYNC_DEBUG enabled. All tests were successful. --- storage/innobase/include/que0que.h | 3 - storage/innobase/include/srv0srv.h | 41 +- storage/innobase/include/sync0sync.h | 9 +- storage/innobase/include/univ.i | 3 + storage/innobase/que/que0que.c | 7 +- storage/innobase/row/row0undo.c | 2 +- storage/innobase/srv/srv0srv.c | 644 ++++++++++----------------- storage/innobase/sync/sync0sync.c | 1 - storage/innobase/trx/trx0roll.c | 1 + 9 files changed, 280 insertions(+), 431 deletions(-) diff --git a/storage/innobase/include/que0que.h b/storage/innobase/include/que0que.h index b66327a394c..39f8d07af89 100644 --- a/storage/innobase/include/que0que.h +++ b/storage/innobase/include/que0que.h @@ -381,9 +381,6 @@ struct que_thr_struct{ thus far */ ulint lock_state; /*!< lock state of thread (table or row) */ - struct srv_slot_struct* - slot; /* The thread slot in the wait - array in srv_sys_t */ }; #define QUE_THR_MAGIC_N 8476583 diff --git a/storage/innobase/include/srv0srv.h b/storage/innobase/include/srv0srv.h index 75af697e046..98e127d41e2 100644 --- a/storage/innobase/include/srv0srv.h +++ b/storage/innobase/include/srv0srv.h @@ -239,6 +239,7 @@ extern ibool srv_print_latch_waits; # define srv_print_latch_waits FALSE #endif /* UNIV_DEBUG */ +extern ulint srv_activity_count; extern ulint srv_fatal_semaphore_wait_threshold; extern ulint srv_dml_needed_delay; @@ -313,6 +314,12 @@ typedef struct export_var_struct export_struc; /** Status variables to be passed to MySQL */ extern export_struc export_vars; +/** The server system */ +typedef struct srv_sys_struct srv_sys_t; + +/** The server system */ +extern srv_sys_t* srv_sys; + # ifdef UNIV_PFS_THREAD /* Keys to register InnoDB threads with performance schema */ extern mysql_pfs_key_t trx_rollback_clean_thread_key; @@ -414,8 +421,6 @@ enum srv_thread_type { be biggest) */ }; -struct srv_slot_struct; - /*********************************************************************//** Boots Innobase server. @return DB_SUCCESS or error code */ @@ -466,6 +471,17 @@ srv_set_io_thread_op_info( const char* str); /*!< in: constant char string describing the state */ /*********************************************************************//** +Releases threads of the type given from suspension in the thread table. +NOTE! The server mutex has to be reserved by the caller! +@return number of threads released: this may be less than n if not +enough threads were suspended at the moment */ +UNIV_INTERN +ulint +srv_release_threads( +/*================*/ + enum srv_thread_type type, /*!< in: thread type */ + ulint n); /*!< in: number of threads to release */ +/*********************************************************************//** The master thread controlling the server. @return a dummy parameter */ UNIV_INTERN @@ -612,13 +628,6 @@ void srv_export_innodb_status(void); /*==========================*/ -/******************************************************************//** -Increment the server activity counter. */ -UNIV_INTERN -void -srv_inc_activity_count(void); -/*=========================*/ - /*********************************************************************//** Asynchronous purge thread. @return a dummy parameter */ @@ -700,6 +709,20 @@ struct export_var_struct{ ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ }; +/** Thread slot in the thread table */ +typedef struct srv_slot_struct srv_slot_t; + +/** Thread table is an array of slots */ +typedef srv_slot_t srv_table_t; + +/** The server system struct */ +struct srv_sys_struct{ + srv_table_t* threads; /*!< server thread table */ + UT_LIST_BASE_NODE_T(que_thr_t) + tasks; /*!< task queue */ +}; + +extern ulint srv_n_threads_active[]; #else /* !UNIV_HOTBACKUP */ # define srv_use_adaptive_hash_indexes FALSE # define srv_use_checksums TRUE diff --git a/storage/innobase/include/sync0sync.h b/storage/innobase/include/sync0sync.h index 09b1aa052e5..4e73bee9108 100644 --- a/storage/innobase/include/sync0sync.h +++ b/storage/innobase/include/sync0sync.h @@ -105,7 +105,6 @@ extern mysql_pfs_key_t rw_lock_mutex_key; extern mysql_pfs_key_t srv_dict_tmpfile_mutex_key; extern mysql_pfs_key_t srv_innodb_monitor_mutex_key; extern mysql_pfs_key_t srv_misc_tmpfile_mutex_key; -extern mysql_pfs_key_t srv_threads_mutex_key; extern mysql_pfs_key_t srv_monitor_file_mutex_key; extern mysql_pfs_key_t syn_arr_mutex_key; # ifdef UNIV_SYNC_DEBUG @@ -588,9 +587,6 @@ Kernel mutex If a kernel operation needs a file | fsp x-latch before acquiring the kernel | mutex. V -Threads mutex Thread scheduling mutex -| -V Search system mutex | V @@ -661,9 +657,8 @@ or row lock! */ /*------------------------------------- MySQL binlog mutex */ /*-------------------------------*/ #define SYNC_KERNEL 300 -#define SYNC_THREADS 299 -#define SYNC_REC_LOCK 298 -#define SYNC_TRX_LOCK_HEAP 297 +#define SYNC_REC_LOCK 299 +#define SYNC_TRX_LOCK_HEAP 298 #define SYNC_TRX_SYS_HEADER 290 #define SYNC_LOG 170 #define SYNC_LOG_FLUSH_ORDER 147 diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index 96faa84c6ff..6bde8308052 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -245,6 +245,9 @@ by one. */ #define UNIV_SET_MEM_TO_ZERO #endif +#define UNIV_DEBUG +#define UNIV_SYNC_DEBUG + /* #define UNIV_SQL_DEBUG #define UNIV_LOG_DEBUG diff --git a/storage/innobase/que/que0que.c b/storage/innobase/que/que0que.c index e4f7c8edca1..2fe046fa9b8 100644 --- a/storage/innobase/que/que0que.c +++ b/storage/innobase/que/que0que.c @@ -29,6 +29,7 @@ Created 5/27/1996 Heikki Tuuri #include "que0que.ic" #endif +#include "srv0que.h" #include "usr0sess.h" #include "trx0trx.h" #include "trx0roll.h" @@ -225,8 +226,6 @@ que_thr_create( thr->resource = 0; thr->lock_state = QUE_THR_LOCK_NOLOCK; - thr->slot = NULL; - UT_LIST_ADD_LAST(thrs, parent->thrs, thr); return(thr); @@ -312,9 +311,7 @@ que_thr_end_wait_no_next_thr( /* In MySQL we let the OS thread (not just the query thread) to wait for the lock to be released: */ - if (thr != NULL) { - srv_release_mysql_thread_if_suspended(thr); - } + srv_release_mysql_thread_if_suspended(thr); /* srv_que_task_enqueue_low(thr); */ } diff --git a/storage/innobase/row/row0undo.c b/storage/innobase/row/row0undo.c index 072a102a389..3d739c9689a 100644 --- a/storage/innobase/row/row0undo.c +++ b/storage/innobase/row/row0undo.c @@ -341,7 +341,7 @@ row_undo_step( ut_ad(thr); - srv_inc_activity_count(); + srv_activity_count++; trx = thr_get_trx(thr); diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index fac5277aaa9..9342d2987bd 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -68,6 +68,7 @@ Created 10/8/1995 Heikki Tuuri #include "sync0sync.h" #include "thr0loc.h" #include "que0que.h" +#include "srv0que.h" #include "log0recv.h" #include "pars0pars.h" #include "usr0sess.h" @@ -89,6 +90,10 @@ Created 10/8/1995 Heikki Tuuri affects only FOREIGN KEY definition parsing */ UNIV_INTERN ibool srv_lower_case_table_names = FALSE; +/* The following counter is incremented whenever there is some user activity +in the server */ +UNIV_INTERN ulint srv_activity_count = 0; + /* The following is the maximum allowed duration of a lock wait. */ UNIV_INTERN ulint srv_fatal_semaphore_wait_threshold = 600; @@ -319,18 +324,16 @@ concurrency check. */ UNIV_INTERN ulong srv_thread_concurrency = 0; +/* this mutex protects srv_conc data structures */ +UNIV_INTERN os_fast_mutex_t srv_conc_mutex; /* number of transactions that have declared_to_be_inside_innodb set. It used to be a non-error for this value to drop below zero temporarily. This is no longer true. We'll, however, keep the lint datatype to add assertions to catch any corner cases that we may have missed. */ UNIV_INTERN lint srv_conc_n_threads = 0; - -/* this mutex protects srv_conc data structures */ -static os_fast_mutex_t srv_conc_mutex; - /* number of OS threads waiting in the FIFO for a permission to enter InnoDB */ -static ulint srv_conc_n_waiting_threads = 0; +UNIV_INTERN ulint srv_conc_n_waiting_threads = 0; typedef struct srv_conc_slot_struct srv_conc_slot_t; struct srv_conc_slot_struct{ @@ -348,9 +351,9 @@ struct srv_conc_slot_struct{ }; /* queue of threads waiting to get in */ -static UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; +UNIV_INTERN UT_LIST_BASE_NODE_T(srv_conc_slot_t) srv_conc_queue; /* array of wait slots */ -static srv_conc_slot_t* srv_conc_slots; +UNIV_INTERN srv_conc_slot_t* srv_conc_slots; /* Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket at srv_conc_enter_innodb */ @@ -440,8 +443,6 @@ UNIV_INTERN mysql_pfs_key_t srv_monitor_file_mutex_key; UNIV_INTERN mysql_pfs_key_t srv_dict_tmpfile_mutex_key; /* Key to register the mutex with performance schema */ UNIV_INTERN mysql_pfs_key_t srv_misc_tmpfile_mutex_key; -/* Key to register srv_sys_t::mutex with performance schema */ -UNIV_INTERN mysql_pfs_key_t srv_srv_sys_mutex_key; #endif /* UNIV_PFS_MUTEX */ /* Temporary file for innodb monitor output */ @@ -490,19 +491,6 @@ intervals. Following macros define thresholds for these conditions. */ #define SRV_RECENT_IO_ACTIVITY (PCT_IO(5)) #define SRV_PAST_IO_ACTIVITY (PCT_IO(200)) -/** Acquire the system_mutex. */ -#define srv_sys_mutex_enter() do { \ - mutex_enter(&srv_sys->mutex); \ -} while (0) - -/** Test if the system mutex is owned. */ -#define srv_sys_mutex_own() mutex_own(&srv_sys->mutex) - -/** Release the system mutex. */ -#define srv_sys_mutex_exit() do { \ - mutex_exit(&srv_sys->mutex); \ -} while (0) - /* IMPLEMENTATION OF THE SERVER MAIN PROGRAM ========================================= @@ -671,7 +659,7 @@ boosted at least to normal. This priority requirement can be seen similar to the privileged mode used when processing the kernel calls in traditional Unix.*/ -/** Thread slot in the thread table. */ +/* Thread slot in the thread table */ struct srv_slot_struct{ os_thread_id_t id; /*!< thread id */ os_thread_t handle; /*!< thread handle */ @@ -687,51 +675,12 @@ struct srv_slot_struct{ used for MySQL threads) */ }; -/** Thread slot in the thread table */ -typedef struct srv_slot_struct srv_slot_t; - -/** Thread table is an array of slots */ -typedef srv_slot_t srv_table_t; - -/** The server system */ -typedef struct srv_sys_struct srv_sys_t; - -/** The server system struct */ -struct srv_sys_struct{ - mutex_t mutex; /*!< variable protecting the - fields in this structure. */ - srv_table_t* sys_threads; /*!< server thread table */ - - UT_LIST_BASE_NODE_T(que_thr_t) - tasks; /*!< task queue */ - - ulint n_threads[SRV_MASTER + 1]; - /*!< number of system threads - in a thread class */ - - ulint n_threads_active[SRV_MASTER + 1]; - /*!< number of threads active - in a thread class */ - - srv_slot_t* waiting_threads; /*!< Array of user threads - suspended while waiting for - locks within InnoDB */ - srv_slot_t* last_slot; /*!< highest slot ever used - in the waiting_threads array */ - ulint activity_count; /*!< For tracking server - activity */ - unsigned lock_wait_timeout; /*!< TRUE if the lock monitor - thread is rolling back a - transaction that has waited - for too long for the lock a - be granted. We use this flag - to track whether the - srv_sys->mutex needs to be - acquired or not */ -}; +/* Table for MySQL threads where they will be suspended to wait for locks */ +UNIV_INTERN srv_slot_t* srv_mysql_table = NULL; UNIV_INTERN os_event_t srv_lock_timeout_thread_event; +UNIV_INTERN srv_sys_t* srv_sys = NULL; /* padding to prevent other memory update hotspots from residing on the same memory cache line */ @@ -742,8 +691,6 @@ UNIV_INTERN mutex_t* kernel_mutex_temp; the same memory cache line */ UNIV_INTERN byte srv_pad2[64]; -static srv_sys_t* srv_sys = NULL; - #if 0 /* The following three values measure the urgency of the jobs of buffer, version, and insert threads. They may vary from 0 - 1000. @@ -758,6 +705,13 @@ static ulint srv_meter_high_water2[SRV_MASTER + 1]; static ulint srv_meter_foreground[SRV_MASTER + 1]; #endif +/* The following values give info about the activity going on in +the database. They are protected by the server mutex. The arrays +are indexed by the type of the thread. */ + +UNIV_INTERN ulint srv_n_threads_active[SRV_MASTER + 1]; +UNIV_INTERN ulint srv_n_threads[SRV_MASTER + 1]; + /*********************************************************************//** Asynchronous purge thread. @return a dummy parameter */ @@ -810,15 +764,14 @@ srv_table_get_nth_slot( /*===================*/ ulint index) /*!< in: index of the slot */ { - ut_ad(srv_sys_mutex_own()); ut_a(index < OS_THREAD_MAX_N); - return(srv_sys->sys_threads + index); + return(srv_sys->threads + index); } /*********************************************************************//** Gets the number of threads in the system. -@return sum of srv_sys_t::n_threads[] */ +@return sum of srv_n_threads[] */ UNIV_INTERN ulint srv_get_n_threads(void) @@ -827,14 +780,14 @@ srv_get_n_threads(void) ulint i; ulint n_threads = 0; - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); for (i = SRV_COM; i < SRV_MASTER + 1; i++) { - n_threads += srv_sys->n_threads[i]; + n_threads += srv_n_threads[i]; } - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); return(n_threads); } @@ -853,8 +806,6 @@ srv_table_reserve_slot( srv_slot_t* slot; ulint i; - ut_ad(srv_sys_mutex_own()); - ut_a(type > 0); ut_a(type <= SRV_MASTER); @@ -895,7 +846,7 @@ srv_suspend_thread(void) ulint slot_no; enum srv_thread_type type; - srv_sys_mutex_enter(); + ut_ad(mutex_own(&kernel_mutex)); slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); @@ -916,14 +867,12 @@ srv_suspend_thread(void) slot->suspended = TRUE; - ut_ad(srv_sys->n_threads_active[type] > 0); + ut_ad(srv_n_threads_active[type] > 0); - srv_sys->n_threads_active[type]--; + srv_n_threads_active[type]--; os_event_reset(event); - srv_sys_mutex_exit(); - return(event); } @@ -932,24 +881,23 @@ Releases threads of the type given from suspension in the thread table. NOTE! The server mutex has to be reserved by the caller! @return number of threads released: this may be less than n if not enough threads were suspended at the moment */ -static +UNIV_INTERN ulint srv_release_threads( /*================*/ enum srv_thread_type type, /*!< in: thread type */ ulint n) /*!< in: number of threads to release */ { + srv_slot_t* slot; ulint i; ulint count = 0; ut_ad(type >= SRV_WORKER); ut_ad(type <= SRV_MASTER); ut_ad(n > 0); - - srv_sys_mutex_enter(); + ut_ad(mutex_own(&kernel_mutex)); for (i = 0; i < OS_THREAD_MAX_N; i++) { - srv_slot_t* slot; slot = srv_table_get_nth_slot(i); @@ -957,7 +905,7 @@ srv_release_threads( slot->suspended = FALSE; - srv_sys->n_threads_active[type]++; + srv_n_threads_active[type]++; os_event_set(slot->event); @@ -977,8 +925,6 @@ srv_release_threads( } } - srv_sys_mutex_exit(); - return(count); } @@ -994,7 +940,7 @@ srv_get_thread_type(void) srv_slot_t* slot; enum srv_thread_type type; - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); slot_no = thr_local_get_slot_no(os_thread_get_curr_id()); @@ -1005,7 +951,7 @@ srv_get_thread_type(void) ut_ad(type >= SRV_WORKER); ut_ad(type <= SRV_MASTER); - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); return(type); } @@ -1017,14 +963,11 @@ void srv_init(void) /*==========*/ { - ulint i; srv_conc_slot_t* conc_slot; - ulint srv_sys_sz; + srv_slot_t* slot; + ulint i; - srv_sys_sz = sizeof(*srv_sys) - + (OS_THREAD_MAX_N * sizeof(srv_slot_t) * 2); - - srv_sys = mem_zalloc(srv_sys_sz); + srv_sys = mem_alloc(sizeof(srv_sys_t)); kernel_mutex_temp = mem_alloc(sizeof(mutex_t)); mutex_create(kernel_mutex_key, &kernel_mutex, SYNC_KERNEL); @@ -1032,29 +975,41 @@ srv_init(void) mutex_create(srv_innodb_monitor_mutex_key, &srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK); - mutex_create(srv_srv_sys_mutex_key, &srv_sys->mutex, SYNC_THREADS); - - srv_sys_mutex_enter(); - - srv_sys->sys_threads = (srv_slot_t*) &srv_sys[1]; - srv_sys->waiting_threads = srv_sys->sys_threads + OS_THREAD_MAX_N; - srv_sys->last_slot = srv_sys->waiting_threads; + srv_sys->threads = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); for (i = 0; i < OS_THREAD_MAX_N; i++) { - srv_slot_t* slot; - slot = srv_table_get_nth_slot(i); - + slot->in_use = FALSE; + slot->type=0; /* Avoid purify errors */ slot->event = os_event_create(NULL); + ut_a(slot->event); + } + srv_mysql_table = mem_alloc(OS_THREAD_MAX_N * sizeof(srv_slot_t)); + + for (i = 0; i < OS_THREAD_MAX_N; i++) { + slot = srv_mysql_table + i; + slot->in_use = FALSE; + slot->type = 0; + slot->event = os_event_create(NULL); ut_a(slot->event); } srv_lock_timeout_thread_event = os_event_create(NULL); - UT_LIST_INIT(srv_sys->tasks); + for (i = 0; i < SRV_MASTER + 1; i++) { + srv_n_threads_active[i] = 0; + srv_n_threads[i] = 0; +#if 0 + srv_meter[i] = 30; + srv_meter_low_water[i] = 50; + srv_meter_high_water[i] = 100; + srv_meter_high_water2[i] = 200; + srv_meter_foreground[i] = 250; +#endif + } - srv_sys_mutex_exit(); + UT_LIST_INIT(srv_sys->tasks); /* Create dummy indexes for infimum and supremum records */ @@ -1090,11 +1045,14 @@ srv_free(void) mem_free(srv_conc_slots); srv_conc_slots = NULL; + mem_free(srv_sys->threads); mem_free(srv_sys); srv_sys = NULL; mem_free(kernel_mutex_temp); kernel_mutex_temp = NULL; + mem_free(srv_mysql_table); + srv_mysql_table = NULL; trx_i_s_cache_free(trx_i_s_cache); } @@ -1450,150 +1408,67 @@ srv_boot(void) return(DB_SUCCESS); } -/*********************************************************************//** -Print the contents of the srv_sys_t::waiting_threads array. */ -static -void -srv_print_mysql_threads(void) -/*=========================*/ -{ - ulint i; - - for (i = 0; i < OS_THREAD_MAX_N; i++) { - srv_slot_t* slot; - - slot = srv_sys->waiting_threads + i; - - fprintf(stderr, - "Slot %lu: thread id %lu, type %lu," - " in use %lu, susp %lu, time %lu\n", - (ulong) i, - (ulong) os_thread_pf(slot->id), - (ulong) slot->type, - (ulong) slot->in_use, - (ulong) slot->suspended, - (ulong) difftime(ut_time(), slot->suspend_time)); - } -} - -/*********************************************************************//** -Release a slot in the srv_sys_t::waiting_threads. Adjust the array last pointer -if there are empty slots towards the end of the table. */ -static -void -srv_table_release_slot_for_mysql( -/*=============================*/ - srv_slot_t* slot) /*!< in: slot to release */ -{ -#ifdef UNIV_DEBUG - srv_slot_t* upper = srv_sys->waiting_threads + OS_THREAD_MAX_N; -#endif /* UNIV_DEBUG */ - - srv_sys_mutex_enter(); - - ut_a(slot->in_use); - ut_a(slot->thr != NULL); - ut_a(slot->thr->slot != NULL); - ut_a(slot->thr->slot == slot); - - /* Must be within the array boundaries. */ - ut_ad(slot >= srv_sys->waiting_threads); - ut_ad(slot < upper); - - slot->thr->slot = NULL; - slot->thr = NULL; - slot->in_use = FALSE; - - /* Scan backwards and adjust the last free slot pointer. */ - for (slot = srv_sys->last_slot; - slot > srv_sys->waiting_threads && !slot->in_use; - --slot) { - /* No op */ - } - - /* Either the array is empty or the last scanned slot is in use. */ - ut_ad(slot->in_use || slot == srv_sys->waiting_threads); - - srv_sys->last_slot = slot + 1; - - /* The last slot is either outside of the array boundry or it's - on an empty slot. */ - ut_ad(srv_sys->last_slot == upper || !srv_sys->last_slot->in_use); - - ut_ad(srv_sys->last_slot >= srv_sys->waiting_threads); - ut_ad(srv_sys->last_slot <= upper); - - srv_sys_mutex_exit(); -} - /*********************************************************************//** Reserves a slot in the thread table for the current MySQL OS thread. +NOTE! The kernel mutex has to be reserved by the caller! @return reserved slot */ static srv_slot_t* -srv_table_reserve_slot_for_mysql( -/*=============================*/ - que_thr_t* thr) /*!< in: query thread associated - with the MySQL OS thread */ +srv_table_reserve_slot_for_mysql(void) +/*==================================*/ { - ulint i; srv_slot_t* slot; + ulint i; - srv_sys_mutex_enter(); + ut_ad(mutex_own(&kernel_mutex)); - slot = srv_sys->waiting_threads; + i = 0; + slot = srv_mysql_table + i; - for (i = 0; i < OS_THREAD_MAX_N; ++i, ++slot) { - if (!slot->in_use) { - break; - } - } + while (slot->in_use) { + i++; - /* Check if we have run out of slots. */ - if (slot == srv_sys->waiting_threads+ OS_THREAD_MAX_N) { + if (i >= OS_THREAD_MAX_N) { - ut_print_timestamp(stderr); + ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: There appear to be %lu MySQL" - " threads currently waiting\n" - "InnoDB: inside InnoDB, which is the" - " upper limit. Cannot continue operation.\n" - "InnoDB: We intentionally generate" - " a seg fault to print a stack trace\n" - "InnoDB: on Linux. But first we print" - " a list of waiting threads.\n", (ulong) i); + fprintf(stderr, + " InnoDB: There appear to be %lu MySQL" + " threads currently waiting\n" + "InnoDB: inside InnoDB, which is the" + " upper limit. Cannot continue operation.\n" + "InnoDB: We intentionally generate" + " a seg fault to print a stack trace\n" + "InnoDB: on Linux. But first we print" + " a list of waiting threads.\n", (ulong) i); - srv_print_mysql_threads(); + for (i = 0; i < OS_THREAD_MAX_N; i++) { - ut_error; - } else { + slot = srv_mysql_table + i; - ut_a(slot->in_use == FALSE); + fprintf(stderr, + "Slot %lu: thread id %lu, type %lu," + " in use %lu, susp %lu, time %lu\n", + (ulong) i, + (ulong) os_thread_pf(slot->id), + (ulong) slot->type, + (ulong) slot->in_use, + (ulong) slot->suspended, + (ulong) difftime(ut_time(), + slot->suspend_time)); + } - slot->in_use = TRUE; - slot->thr = thr; - slot->thr->slot = slot; - slot->id = os_thread_get_curr_id(); - slot->handle = os_thread_get_curr(); - - if (slot->event == NULL) { - slot->event = os_event_create(NULL); - ut_a(slot->event); + ut_error; } - os_event_reset(slot->event); - slot->suspended = TRUE; - slot->suspend_time = ut_time(); + slot = srv_mysql_table + i; } - if (slot == srv_sys->last_slot) { - ++srv_sys->last_slot; - } + ut_a(slot->in_use == FALSE); - ut_ad(srv_sys->last_slot <= srv_sys->waiting_threads+ OS_THREAD_MAX_N); - - srv_sys_mutex_exit(); + slot->in_use = TRUE; + slot->id = os_thread_get_curr_id(); + slot->handle = os_thread_get_curr(); return(slot); } @@ -1612,6 +1487,7 @@ srv_suspend_mysql_thread( OS thread */ { srv_slot_t* slot; + os_event_t event; double wait_time; trx_t* trx; ulint had_dict_lock; @@ -1653,7 +1529,15 @@ srv_suspend_mysql_thread( ut_ad(thr->is_active == FALSE); - slot = srv_table_reserve_slot_for_mysql(thr); + slot = srv_table_reserve_slot_for_mysql(); + + event = slot->event; + + slot->thr = thr; + + os_event_reset(event); + + slot->suspend_time = ut_time(); if (thr->lock_state == QUE_THR_LOCK_ROW) { srv_n_lock_wait_count++; @@ -1699,7 +1583,7 @@ srv_suspend_mysql_thread( /* Suspend this thread and wait for the event. */ - os_event_wait(slot->event); + os_event_wait(event); /* After resuming, reacquire the data dictionary latch if necessary. */ @@ -1720,13 +1604,13 @@ srv_suspend_mysql_thread( srv_conc_force_enter_innodb(trx); } - wait_time = ut_difftime(ut_time(), slot->suspend_time); - mutex_enter(&kernel_mutex); /* Release the slot for others to use */ - srv_table_release_slot_for_mysql(slot); + slot->in_use = FALSE; + + wait_time = ut_difftime(ut_time(), slot->suspend_time); if (thr->lock_state == QUE_THR_LOCK_ROW) { if (ut_usectime(&sec, &ms) == -1) { @@ -1779,22 +1663,25 @@ srv_release_mysql_thread_if_suspended( que_thr_t* thr) /*!< in: query thread associated with the MySQL OS thread */ { + srv_slot_t* slot; + ulint i; + ut_ad(mutex_own(&kernel_mutex)); - if (!srv_sys->lock_wait_timeout) { - srv_sys_mutex_enter(); - } else { - ut_ad(srv_sys_mutex_own()); + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_mysql_table + i; + + if (slot->in_use && slot->thr == thr) { + /* Found */ + + os_event_set(slot->event); + + return; + } } - if (thr->slot != NULL && thr->slot->in_use && thr->slot->thr == thr) { - - os_event_set(thr->slot->event); - } - - if (!srv_sys->lock_wait_timeout) { - srv_sys_mutex_exit(); - } + /* not found */ } /******************************************************************//** @@ -2270,95 +2157,6 @@ exit_func: OS_THREAD_DUMMY_RETURN; } -/*********************************************************************//** -Check if the thread lock wait has timed out. Release its locks if the -wait has actually timed out. */ -UNIV_INTERN -void -srv_lock_check_wait( -/*================*/ - srv_slot_t* slot) -{ - trx_t* trx; - double wait_time; - ulong lock_wait_timeout; - ib_time_t suspend_time = slot->suspend_time; - - ut_ad(srv_sys_mutex_own()); - - wait_time = ut_difftime(ut_time(), suspend_time); - - trx = thr_get_trx(slot->thr); - - lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); - - if (trx_is_interrupted(trx) - || (lock_wait_timeout < 100000000 - && (wait_time > (double) lock_wait_timeout - || wait_time < 0))) { - - /* Timeout exceeded or a wrap-around in system - time counter: cancel the lock request queued - by the transaction and release possible - other transactions waiting behind; it is - possible that the lock has already been - granted: in that case do nothing */ - - if (trx->wait_lock) { - trx_t* slot_trx; - - /* Release the srv_sys_t->mutex to preserve the - latch order only. */ - srv_sys_mutex_exit(); - - /* It is possible that the thread has already - freed its slot and released its locks and another - thread is now using this slot. We need to - check whether the slot is still in use by the - same thread before cancelling the wait and releasing - the locks. */ - - mutex_enter(&kernel_mutex); - - srv_sys_mutex_enter(); - - /* If the slot has been freed and is not being reused - then the slot->thr entry should be NULL. */ - if (slot->thr != NULL) { - ut_a(slot->in_use); - slot_trx = thr_get_trx(slot->thr); - } else { - ut_a(!slot->in_use); - slot_trx = NULL; - } - - /* We can't compare the pointers here because the - memory can be recycled. Transaction ids are not - recyled and therefore safe to use. We also check if - the transaction suspend time is the same that we - used for calculating the wait earlier. If the - transaction has already released its locks there - is nothing more we can do. */ - if (slot->in_use - && suspend_time == slot->suspend_time - && ut_dulint_cmp(trx->id, slot_trx->id) == 0 - && trx->wait_lock != NULL) { - - ut_a(!srv_sys->lock_wait_timeout); - ut_a(trx->que_state == TRX_QUE_LOCK_WAIT); - - srv_sys->lock_wait_timeout = TRUE; - - lock_cancel_waiting_and_release(trx->wait_lock); - - srv_sys->lock_wait_timeout = FALSE; - } - - mutex_exit(&kernel_mutex); - } - } -} - /*********************************************************************//** A thread which wakes up threads whose lock wait may have lasted too long. @return a dummy parameter */ @@ -2372,6 +2170,8 @@ srv_lock_timeout_thread( { srv_slot_t* slot; ibool some_waits; + double wait_time; + ulint i; #ifdef UNIV_PFS_THREAD pfs_register_thread(srv_lock_timeout_thread_key); @@ -2385,26 +2185,52 @@ loop: srv_lock_timeout_active = TRUE; - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); some_waits = FALSE; - /* Check all slots for user threads that are waiting on locks, and - if they have exceeded the time limit. */ + /* Check of all slots if a thread is waiting there, and if it + has exceeded the time limit */ - for (slot = srv_sys->waiting_threads; - slot < srv_sys->last_slot; - ++slot) { + for (i = 0; i < OS_THREAD_MAX_N; i++) { + + slot = srv_mysql_table + i; if (slot->in_use) { + trx_t* trx; + ulong lock_wait_timeout; + some_waits = TRUE; - srv_lock_check_wait(slot); + + wait_time = ut_difftime(ut_time(), slot->suspend_time); + + trx = thr_get_trx(slot->thr); + lock_wait_timeout = thd_lock_wait_timeout( + trx->mysql_thd); + + if (trx_is_interrupted(trx) + || (lock_wait_timeout < 100000000 + && (wait_time > (double) lock_wait_timeout + || wait_time < 0))) { + + /* Timeout exceeded or a wrap-around in system + time counter: cancel the lock request queued + by the transaction and release possible + other transactions waiting behind; it is + possible that the lock has already been + granted: in that case do nothing */ + + if (trx->wait_lock) { + lock_cancel_waiting_and_release( + trx->wait_lock); + } + } } } os_event_reset(srv_lock_timeout_thread_event); - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); if (srv_shutdown_state >= SRV_SHUTDOWN_CLEANUP) { goto exit_func; @@ -2549,11 +2375,11 @@ void srv_inc_activity_count_low(void) /*============================*/ { - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); - ++srv_sys->activity_count; + ++srv_activity_count; - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); } /******************************************************************//** @@ -2577,16 +2403,16 @@ srv_is_any_background_thread_active(void) ulint i; ibool ret = FALSE; - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); for (i = SRV_COM; i <= SRV_MASTER; ++i) { - if (srv_sys->n_threads_active[i] != 0) { + if (srv_n_threads_active[i] != 0) { ret = TRUE; break; } } - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); return(ret); } @@ -2603,13 +2429,16 @@ srv_active_wake_master_thread(void) /*===============================*/ { ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(!srv_sys_mutex_own()); srv_inc_activity_count_low(); - if (srv_sys->n_threads_active[SRV_MASTER] == 0) { + if (srv_n_threads_active[SRV_MASTER] == 0) { + + mutex_enter(&kernel_mutex); srv_release_threads(SRV_MASTER, 1); + + mutex_exit(&kernel_mutex); } } @@ -2617,20 +2446,23 @@ srv_active_wake_master_thread(void) Tells the purge thread that there has been activity in the database and wakes up the purge thread if it is suspended (not sleeping). Note that there is a small chance that the purge thread stays suspended -(we do not protect our operation with the srv_sys_t:mutex, for -performance reasons). */ +(we do not protect our operation with the kernel mutex, for +performace reasons). */ UNIV_INTERN void srv_wake_purge_thread_if_not_active(void) /*=====================================*/ { ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(!srv_sys_mutex_own()); if (srv_n_purge_threads > 0 - && srv_sys->n_threads_active[SRV_WORKER] == 0) { + && srv_n_threads_active[SRV_WORKER] == 0) { + + mutex_enter(&kernel_mutex); srv_release_threads(SRV_WORKER, 1); + + mutex_exit(&kernel_mutex); } } @@ -2641,12 +2473,13 @@ void srv_wake_master_thread(void) /*========================*/ { - ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(!srv_sys_mutex_own()); + srv_activity_count++; - srv_inc_activity_count_low(); + mutex_enter(&kernel_mutex); srv_release_threads(SRV_MASTER, 1); + + mutex_exit(&kernel_mutex); } /*******************************************************************//** @@ -2657,34 +2490,17 @@ srv_wake_purge_thread(void) /*=======================*/ { ut_ad(!mutex_own(&kernel_mutex)); - ut_ad(!srv_sys_mutex_own()); if (srv_n_purge_threads > 0) { + mutex_enter(&kernel_mutex); + srv_release_threads(SRV_WORKER, 1); + + mutex_exit(&kernel_mutex); } } -/*******************************************************************//** -Check if there has been any activity. -@return FALSE if no hange in activity counter. */ -UNIV_INLINE -ibool -srv_check_activity( -/*===============*/ - ulint old_activity_count) /*!< old activity count */ -{ - ibool ret; - - srv_sys_mutex_enter(); - - ret = srv_sys->activity_count != old_activity_count; - - srv_sys_mutex_exit(); - - return(ret); -} - /********************************************************************** The master thread is tasked to ensure that flush of log file happens once every second in the background. This is to ensure that not more @@ -2771,13 +2587,13 @@ srv_master_thread( srv_main_thread_process_no = os_proc_get_number(); srv_main_thread_id = os_thread_pf(os_thread_get_curr_id()); - srv_sys_mutex_enter(); - srv_table_reserve_slot(SRV_MASTER); - srv_sys->n_threads_active[SRV_MASTER]++; + mutex_enter(&kernel_mutex); - srv_sys_mutex_exit(); + srv_n_threads_active[SRV_MASTER]++; + + mutex_exit(&kernel_mutex); loop: /*****************************************************************/ @@ -2789,13 +2605,12 @@ loop: buf_get_total_stat(&buf_stat); n_ios_very_old = log_sys->n_log_ios + buf_stat.n_pages_read + buf_stat.n_pages_written; - - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); /* Store the user activity counter at the start of this loop */ - old_activity_count = srv_sys->activity_count; + old_activity_count = srv_activity_count; - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); if (srv_force_recovery >= SRV_FORCE_NO_BACKGROUND) { @@ -2901,7 +2716,7 @@ loop: } } - if (srv_sys->activity_count == old_activity_count) { + if (srv_activity_count == old_activity_count) { /* There is no user activity at the moment, go to the background loop */ @@ -2992,13 +2807,18 @@ loop: srv_main_thread_op_info = "reserving kernel mutex"; + mutex_enter(&kernel_mutex); + /* ---- When there is database activity, we jump from here back to the start of loop */ - if (srv_check_activity(old_activity_count)) { + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); goto loop; } + mutex_exit(&kernel_mutex); + /* If the database is quiet, we enter the background loop */ /*****************************************************************/ @@ -3031,9 +2851,12 @@ background_loop: srv_main_thread_op_info = "reserving kernel mutex"; - if (srv_check_activity(old_activity_count)) { + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); goto loop; } + mutex_exit(&kernel_mutex); srv_main_thread_op_info = "doing insert buffer merge"; @@ -3050,9 +2873,12 @@ background_loop: srv_main_thread_op_info = "reserving kernel mutex"; - if (srv_check_activity(old_activity_count)) { + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); goto loop; } + mutex_exit(&kernel_mutex); flush_loop: srv_main_thread_op_info = "flushing buffer pool pages"; @@ -3069,9 +2895,12 @@ flush_loop: srv_main_thread_op_info = "reserving kernel mutex"; - if (srv_check_activity(old_activity_count)) { + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); goto loop; } + mutex_exit(&kernel_mutex); srv_main_thread_op_info = "waiting for buffer pool flush to end"; buf_flush_wait_batch_end(NULL, BUF_FLUSH_LIST); @@ -3093,10 +2922,12 @@ flush_loop: srv_main_thread_op_info = "reserving kernel mutex"; - if (srv_check_activity(old_activity_count)) { + mutex_enter(&kernel_mutex); + if (srv_activity_count != old_activity_count) { + mutex_exit(&kernel_mutex); goto loop; } - + mutex_exit(&kernel_mutex); /* srv_main_thread_op_info = "archiving log (if log archive is on)"; @@ -3142,10 +2973,10 @@ suspend_thread: goto loop; } - mutex_exit(&kernel_mutex); - event = srv_suspend_thread(); + mutex_exit(&kernel_mutex); + /* DO NOT CHANGE THIS STRING. innobase_start_or_create_for_mysql() waits for database activity to die down when converting < 4.1.x databases, and relies on this string being exactly as it is. InnoDB @@ -3195,13 +3026,13 @@ srv_purge_thread( os_thread_pf(os_thread_get_curr_id())); #endif /* UNIV_DEBUG_THREAD_CREATION */ - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); slot_no = srv_table_reserve_slot(SRV_WORKER); - ++srv_sys->n_threads_active[SRV_WORKER]; + ++srv_n_threads_active[SRV_WORKER]; - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); while (srv_shutdown_state != SRV_SHUTDOWN_EXIT_THREADS) { @@ -3217,8 +3048,12 @@ srv_purge_thread( os_event_t event; + mutex_enter(&kernel_mutex); + event = srv_suspend_thread(); + mutex_exit(&kernel_mutex); + os_event_wait(event); } @@ -3250,13 +3085,13 @@ srv_purge_thread( /* Free the thread local memory. */ thr_local_free(os_thread_get_curr_id()); - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); /* Free the slot for reuse. */ slot = srv_table_get_nth_slot(slot_no); slot->in_use = FALSE; - srv_sys_mutex_exit(); + mutex_exit(&kernel_mutex); #ifdef UNIV_DEBUG_THREAD_CREATION fprintf(stderr, "InnoDB: Purge thread exiting, id %lu\n", @@ -3281,12 +3116,11 @@ srv_que_task_enqueue_low( { ut_ad(thr); - srv_sys_mutex_enter(); + mutex_enter(&kernel_mutex); UT_LIST_ADD_LAST(queue, srv_sys->tasks, thr); - srv_sys_mutex_exit(); - srv_release_threads(SRV_WORKER, 1); -} + mutex_exit(&kernel_mutex); +} diff --git a/storage/innobase/sync/sync0sync.c b/storage/innobase/sync/sync0sync.c index 9e169c7c27e..235f733382d 100644 --- a/storage/innobase/sync/sync0sync.c +++ b/storage/innobase/sync/sync0sync.c @@ -1167,7 +1167,6 @@ sync_thread_add_level( case SYNC_SEARCH_SYS_CONF: case SYNC_TRX_LOCK_HEAP: case SYNC_KERNEL: - case SYNC_THREADS: case SYNC_IBUF_BITMAP_MUTEX: case SYNC_RSEG: case SYNC_TRX_UNDO: diff --git a/storage/innobase/trx/trx0roll.c b/storage/innobase/trx/trx0roll.c index 4f1a71a5531..6e72b13e116 100644 --- a/storage/innobase/trx/trx0roll.c +++ b/storage/innobase/trx/trx0roll.c @@ -37,6 +37,7 @@ Created 3/26/1996 Heikki Tuuri #include "trx0rec.h" #include "que0que.h" #include "usr0sess.h" +#include "srv0que.h" #include "srv0start.h" #include "row0undo.h" #include "row0mysql.h" From d29f0d5bad80ee3d5954c59aaee431ccc11d41a8 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Wed, 12 May 2010 12:20:26 +1000 Subject: [PATCH 298/400] Remove references to srv0que.h. --- storage/innobase/que/que0que.c | 1 - storage/innobase/srv/srv0srv.c | 1 - storage/innobase/trx/trx0roll.c | 1 - 3 files changed, 3 deletions(-) diff --git a/storage/innobase/que/que0que.c b/storage/innobase/que/que0que.c index 2fe046fa9b8..3dcb9e89565 100644 --- a/storage/innobase/que/que0que.c +++ b/storage/innobase/que/que0que.c @@ -29,7 +29,6 @@ Created 5/27/1996 Heikki Tuuri #include "que0que.ic" #endif -#include "srv0que.h" #include "usr0sess.h" #include "trx0trx.h" #include "trx0roll.h" diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 9342d2987bd..8a48fc46620 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -68,7 +68,6 @@ Created 10/8/1995 Heikki Tuuri #include "sync0sync.h" #include "thr0loc.h" #include "que0que.h" -#include "srv0que.h" #include "log0recv.h" #include "pars0pars.h" #include "usr0sess.h" diff --git a/storage/innobase/trx/trx0roll.c b/storage/innobase/trx/trx0roll.c index 6e72b13e116..4f1a71a5531 100644 --- a/storage/innobase/trx/trx0roll.c +++ b/storage/innobase/trx/trx0roll.c @@ -37,7 +37,6 @@ Created 3/26/1996 Heikki Tuuri #include "trx0rec.h" #include "que0que.h" #include "usr0sess.h" -#include "srv0que.h" #include "srv0start.h" #include "row0undo.h" #include "row0mysql.h" From 7e4e70d87a76213aed89e9a7d6e8cde47a535100 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Wed, 12 May 2010 12:33:59 +1000 Subject: [PATCH 299/400] Remove UNIV_DEBUG and UNIV_SYNC_DEBUG from univ.i. Left over from testing the revert of kernel mutex split patch. --- storage/innobase/include/univ.i | 3 --- 1 file changed, 3 deletions(-) diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index 6bde8308052..96faa84c6ff 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -245,9 +245,6 @@ by one. */ #define UNIV_SET_MEM_TO_ZERO #endif -#define UNIV_DEBUG -#define UNIV_SYNC_DEBUG - /* #define UNIV_SQL_DEBUG #define UNIV_LOG_DEBUG From 636575249ba27d15ebffaacdd64b40512f26e191 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 12 May 2010 09:21:46 +0300 Subject: [PATCH 300/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3460 revision-id: marko.makela@oracle.com-20100512053925-ovwmpo0838fs2roo parent: marko.makela@oracle.com-20100511165845-lsw7seixftgzpfqt committer: Marko Mäkelä branch nick: mysql-5.1-innodb timestamp: Wed 2010-05-12 08:39:25 +0300 message: row_merge_drop_temp_indexes(): Do not reference freed memory. (Bug #53471) --- storage/innobase/row/row0merge.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index a5bc6902983..1b3293bf62f 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -2120,9 +2120,12 @@ row_merge_drop_temp_indexes(void) if (table) { dict_index_t* index; + dict_index_t* next_index; for (index = dict_table_get_first_index(table); - index; index = dict_table_get_next_index(index)) { + index; index = next_index) { + + next_index = dict_table_get_next_index(index); if (*index->name == TEMP_INDEX_PREFIX) { row_merge_drop_index(index, table, trx); From 8b22035f63ca892849eafc39161f4f47548f1797 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 12 May 2010 10:42:28 +0300 Subject: [PATCH 301/400] Disable innodb.innodb_bug38231 in embedded mode The --send command does not seem to work as expected in that mode. --- mysql-test/suite/innodb/t/innodb_bug38231.test | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mysql-test/suite/innodb/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test index ef3272d8d91..2fe4be837e5 100644 --- a/mysql-test/suite/innodb/t/innodb_bug38231.test +++ b/mysql-test/suite/innodb/t/innodb_bug38231.test @@ -5,6 +5,11 @@ -- source include/have_innodb.inc +# skip this test in embedded mode because "TRUNCATE TABLE bug38231_1" +# hangs in that mode waiting for "lock_wait_timeout" although it is +# preceded by --send +-- source include/not_embedded.inc + SET storage_engine=InnoDB; # we care only that the following SQL commands do not crash the server From 6941bfb6bf345cce9e8f2078bcf85e1ae7e4e373 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 12 May 2010 10:44:23 +0300 Subject: [PATCH 302/400] Improve the comment in innodb_bug38231.test --- mysql-test/suite/innodb/t/innodb_bug38231.test | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mysql-test/suite/innodb/t/innodb_bug38231.test b/mysql-test/suite/innodb/t/innodb_bug38231.test index 2fe4be837e5..a0a10bbd100 100644 --- a/mysql-test/suite/innodb/t/innodb_bug38231.test +++ b/mysql-test/suite/innodb/t/innodb_bug38231.test @@ -49,8 +49,8 @@ UNLOCK TABLES; # clean up # do not clean up - we do not know which of the three has been released -# so the --reap command may hang because the executing command is still -# running/waiting +# so the --reap command may hang because the command that is being executed +# in that connection is still running/waiting #-- connection lock_wait1 #-- reap #UNLOCK TABLES; From dcf0caa6d54eb61afdcf9b21c2ea86430d5d99bb Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 12 May 2010 12:13:50 +0300 Subject: [PATCH 303/400] Fix the failing innodb.innodb test. Support returning 512 and 511 pages for the buffer pool size, this is undeterministic and probably depends on alignment issues. The default buffer pool size is 8M (512) pages, which is set in include/default_mysqld.cnf. So the previous "replace_result 8192 8191" had no effect. --- mysql-test/suite/innodb/r/innodb.result | 2 +- mysql-test/suite/innodb/t/innodb.test | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result index b8b6624f83c..427df076eaf 100644 --- a/mysql-test/suite/innodb/r/innodb.result +++ b/mysql-test/suite/innodb/r/innodb.result @@ -1661,7 +1661,7 @@ count(*) drop table t1; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; variable_value -512 +511 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; variable_value 16384 diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index 44850ff0131..f15d9747ee4 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -1302,7 +1302,7 @@ drop table t1; # Test for testable InnoDB status variables. This test # uses previous ones(pages_created, rows_deleted, ...). ---replace_result 8192 8191 +--replace_result 512 511 SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_buffer_pool_pages_total'; SELECT variable_value FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_page_size'; SELECT variable_value - @innodb_rows_deleted_orig FROM information_schema.global_status WHERE LOWER(variable_name) = 'innodb_rows_deleted'; From 9451ee4b2cc8c9e5a6b301d4729bfb9f023bc3b3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 12 May 2010 14:19:26 +0300 Subject: [PATCH 304/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3462 revision-id: marko.makela@oracle.com-20100512104212-e2h9n1obxjb8tfg4 parent: marko.makela@oracle.com-20100512060922-oh716ugpukfakwvh committer: Marko Mäkelä branch nick: mysql-5.1-innodb timestamp: Wed 2010-05-12 13:42:12 +0300 message: ha_innobase::add_index(): Reset trx->error_state in error handling. (Bug #53591) --- .../suite/innodb/r/innodb_bug53591.result | 16 ++++++++++++++ .../suite/innodb/t/innodb_bug53591.test | 22 +++++++++++++++++++ storage/innobase/handler/handler0alter.cc | 2 ++ 3 files changed, 40 insertions(+) create mode 100644 mysql-test/suite/innodb/r/innodb_bug53591.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug53591.test diff --git a/mysql-test/suite/innodb/r/innodb_bug53591.result b/mysql-test/suite/innodb/r/innodb_bug53591.result new file mode 100644 index 00000000000..1f05b6d2a57 --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug53591.result @@ -0,0 +1,16 @@ +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; +set old_alter_table=0; +CREATE TABLE bug53591(a text charset utf8 not null) +ENGINE=InnoDB KEY_BLOCK_SIZE=1; +ALTER TABLE bug53591 ADD PRIMARY KEY(a(220)); +ERROR HY000: Too big row +SHOW WARNINGS; +Level Code Message +Error 139 Too big row +Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs +Error 1030 Got error 139 from storage engine +DROP TABLE bug53591; +SET GLOBAL innodb_file_format=Antelope; +SET GLOBAL innodb_file_format_check=Antelope; +SET GLOBAL innodb_file_per_table=0; diff --git a/mysql-test/suite/innodb/t/innodb_bug53591.test b/mysql-test/suite/innodb/t/innodb_bug53591.test new file mode 100644 index 00000000000..58a7596dff9 --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug53591.test @@ -0,0 +1,22 @@ +-- source include/have_innodb.inc + +let $file_format=`select @@innodb_file_format`; +let $file_format_check=`select @@innodb_file_format_check`; +let $file_per_table=`select @@innodb_file_per_table`; + +SET GLOBAL innodb_file_format='Barracuda'; +SET GLOBAL innodb_file_per_table=on; + +set old_alter_table=0; + +CREATE TABLE bug53591(a text charset utf8 not null) +ENGINE=InnoDB KEY_BLOCK_SIZE=1; +-- error 139 +ALTER TABLE bug53591 ADD PRIMARY KEY(a(220)); +SHOW WARNINGS; + +DROP TABLE bug53591; + +EVAL SET GLOBAL innodb_file_format=$file_format; +EVAL SET GLOBAL innodb_file_format_check=$file_format_check; +EVAL SET GLOBAL innodb_file_per_table=$file_per_table; diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc index 3244080c3be..ec17882590c 100644 --- a/storage/innobase/handler/handler0alter.cc +++ b/storage/innobase/handler/handler0alter.cc @@ -896,6 +896,8 @@ error: prebuilt->trx->error_info = NULL; /* fall through */ default: + trx->error_state = DB_SUCCESS; + if (new_primary) { if (indexed_table != innodb_table) { row_merge_drop_table(trx, indexed_table); From bd65e80c84f668202060706e7705ffefafea985d Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Wed, 12 May 2010 08:39:45 -0700 Subject: [PATCH 305/400] Check in patch for bug #53336, Improved InnoDB Transaction Reporting. rb://335, Approved by Sunny Bains --- .../innodb/r/innodb_information_schema.result | 43 +++ .../innodb/t/innodb_information_schema.test | 103 ++++++ storage/innobase/handler/i_s.cc | 308 ++++++++++++++++++ storage/innobase/include/lock0lock.h | 2 +- storage/innobase/include/trx0i_s.h | 87 ++++- storage/innobase/lock/lock0lock.c | 2 +- storage/innobase/trx/trx0i_s.c | 91 ++++-- 7 files changed, 600 insertions(+), 36 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb_information_schema.result b/mysql-test/suite/innodb/r/innodb_information_schema.result index 396cae579ce..ad8729804df 100644 --- a/mysql-test/suite/innodb/r/innodb_information_schema.result +++ b/mysql-test/suite/innodb/r/innodb_information_schema.result @@ -21,3 +21,46 @@ lock_table COUNT(*) "test"."t_max" 2 "test"."t_min" 2 "test"."`t'\""_str" 10 +Field Type Null Key Default Extra +trx_id varchar(18) NO +trx_state varchar(13) NO +trx_started datetime NO 0000-00-00 00:00:00 +trx_requested_lock_id varchar(81) YES NULL +trx_wait_started datetime YES NULL +trx_weight bigint(21) unsigned NO 0 +trx_mysql_thread_id bigint(21) unsigned NO 0 +trx_query varchar(1024) YES NULL +trx_operation_state varchar(64) YES NULL +trx_tables_in_use bigint(21) unsigned NO 0 +trx_tables_locked bigint(21) unsigned NO 0 +trx_lock_structs bigint(21) unsigned NO 0 +trx_lock_memory_bytes bigint(21) unsigned NO 0 +trx_rows_locked bigint(21) unsigned NO 0 +trx_rows_modified bigint(21) unsigned NO 0 +trx_concurrency_tickets bigint(21) unsigned NO 0 +trx_isolation_level varchar(16) NO +trx_unique_checks int(1) NO 0 +trx_foreign_key_checks int(1) NO 0 +trx_last_foreign_key_error varchar(256) YES NULL +trx_apative_hash_latched int(1) NO 0 +trx_adaptive_hash_timeout bigint(21) unsigned NO 0 +trx_operation_state varchar(64) YES NULL +trx_tables_in_use bigint(21) unsigned NO 0 +trx_tables_locked bigint(21) unsigned NO 0 +trx_lock_structs bigint(21) unsigned NO 0 +trx_lock_memory_bytes bigint(21) unsigned NO 0 +trx_rows_locked bigint(21) unsigned NO 0 +trx_rows_modified bigint(21) unsigned NO 0 +trx_concurrency_tickets bigint(21) unsigned NO 0 +trx_isolation_level varchar(16) NO +trx_unique_checks int(1) NO 0 +trx_foreign_key_checks int(1) NO 0 +trx_last_foreign_key_error varchar(256) YES NULL +trx_apative_hash_latched int(1) NO 0 +trx_adaptive_hash_timeout bigint(21) unsigned NO 0 +trx_state trx_weight trx_tables_in_use trx_tables_locked trx_rows_locked trx_rows_modified trx_concurrency_tickets trx_isolation_level trx_unique_checks trx_foreign_key_checks +RUNNING 4 0 0 7 1 0 REPEATABLE READ 1 1 +trx_isolation_level trx_unique_checks trx_foreign_key_checks +SERIALIZABLE 0 0 +trx_state trx_isolation_level trx_last_foreign_key_error +RUNNING SERIALIZABLE `test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`c02`) REFERENCES `t1` (`c01`) diff --git a/mysql-test/suite/innodb/t/innodb_information_schema.test b/mysql-test/suite/innodb/t/innodb_information_schema.test index fc1d38d8d14..3dc2a8a40d4 100644 --- a/mysql-test/suite/innodb/t/innodb_information_schema.test +++ b/mysql-test/suite/innodb/t/innodb_information_schema.test @@ -64,6 +64,8 @@ INSERT INTO ```t'\"_str` VALUES INSERT INTO ```t'\"_str` VALUES ('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000); +--source include/count_sessions.inc + -- connect (con_lock,localhost,root,,) -- connect (con_min_trylock,localhost,root,,) -- connect (con_max_trylock,localhost,root,,) @@ -147,3 +149,104 @@ SET @@sql_mode=@save_sql_mode; -- disconnect con_verify_innodb_locks DROP TABLE t_min, t_max, ```t'\"_str`; + +--source include/wait_until_count_sessions.inc + +# +# Test that transaction data is correctly "visualized" in +# INFORMATION_SCHEMA.INNODB_TRX +# + +-- enable_result_log +DESCRIBE INFORMATION_SCHEMA.INNODB_TRX; +-- disable_result_log + +-- disable_warnings +DROP TABLE IF EXISTS t1; +-- enable_warnings + +CREATE TABLE t1 ( + c01 INT, + c02 INT, + PRIMARY KEY (c01) +) ENGINE = InnoDB; + +INSERT INTO t1 VALUES +(1,2),(2,4),(3,6),(4,8); + +CREATE TABLE t2 ( + c01 INT, + c02 INT, + PRIMARY KEY (c01), + FOREIGN KEY fk1 (c02) REFERENCES t1 (c01) +) ENGINE = InnoDB; + +INSERT INTO t2 VALUES +(1,1),(2,2),(3,3); + +-- connect (con_trx,localhost,root,,) +-- connect (con_verify_innodb_trx,localhost,root,,) + +-- connection con_trx +SET autocommit=0; +INSERT INTO t1 VALUES (5,10); +SELECT * FROM t1 FOR UPDATE; + +let $wait_condition= + SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_TRX; +--source include/wait_condition.inc +-- disable_query_log + +-- connection con_verify_innodb_trx +-- enable_result_log +SELECT trx_state, trx_weight, trx_tables_in_use, trx_tables_locked, +trx_rows_locked, trx_rows_modified, trx_concurrency_tickets, +trx_isolation_level, trx_unique_checks, trx_foreign_key_checks +FROM INFORMATION_SCHEMA.INNODB_TRX; + +-- connection con_trx +-- disable_result_log +ROLLBACK; +SET FOREIGN_KEY_CHECKS = 0; +SET UNIQUE_CHECKS = 0; +SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; +BEGIN; +INSERT INTO t1 VALUES (6,12); + +let $wait_condition= + SELECT trx_unique_checks = 0 FROM INFORMATION_SCHEMA.INNODB_TRX; +--source include/wait_condition.inc +-- disable_query_log + +-- connection con_verify_innodb_trx +-- enable_result_log +SELECT trx_isolation_level, trx_unique_checks, trx_foreign_key_checks +FROM INFORMATION_SCHEMA.INNODB_TRX; + +-- disable_result_log +-- connection con_trx +ROLLBACK; +SET FOREIGN_KEY_CHECKS = 1; +SET UNIQUE_CHECKS = 1; +BEGIN; +-- error 1452 +INSERT INTO t2 VALUES (4,10); + +let $wait_condition= + SELECT trx_unique_checks = 1 FROM INFORMATION_SCHEMA.INNODB_TRX; +--source include/wait_condition.inc +-- disable_query_log + +-- enable_result_log +-- connection con_verify_innodb_trx +SELECT trx_state, trx_isolation_level, trx_last_foreign_key_error +FROM INFORMATION_SCHEMA.INNODB_TRX; +-- disable_result_log + +-- connection default + +-- disconnect con_trx +-- disconnect con_verify_innodb_trx + +DROP TABLE t2; +DROP TABLE t1; diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index 7a457e6a990..f8b3b71c804 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -288,6 +288,258 @@ static ST_FIELD_INFO innodb_trx_fields_info[] = STRUCT_FLD(old_name, ""), STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, +#define IDX_TRX_OPERATION_STATE 8 + {STRUCT_FLD(field_name, "trx_operation_state"), + STRUCT_FLD(field_length, TRX_I_S_TRX_OP_STATE_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_TABLES_IN_USE 9 + {STRUCT_FLD(field_name, "trx_tables_in_use"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_TABLES_LOCKED 10 + {STRUCT_FLD(field_name, "trx_tables_locked"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LOCK_STRUCTS 11 + {STRUCT_FLD(field_name, "trx_lock_structs"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LOCK_MEMORY_BYTES 12 + {STRUCT_FLD(field_name, "trx_lock_memory_bytes"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ROWS_LOCKED 13 + {STRUCT_FLD(field_name, "trx_rows_locked"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ROWS_MODIFIED 14 + {STRUCT_FLD(field_name, "trx_rows_modified"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_CONNCURRENCY_TICKETS 15 + {STRUCT_FLD(field_name, "trx_concurrency_tickets"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ISOLATION_LEVEL 16 + {STRUCT_FLD(field_name, "trx_isolation_level"), + STRUCT_FLD(field_length, TRX_I_S_TRX_ISOLATION_LEVEL_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_UNIQUE_CHECKS 17 + {STRUCT_FLD(field_name, "trx_unique_checks"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 1), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_FOREIGN_KEY_CHECKS 18 + {STRUCT_FLD(field_name, "trx_foreign_key_checks"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 1), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LAST_FOREIGN_KEY_ERROR 19 + {STRUCT_FLD(field_name, "trx_last_foreign_key_error"), + STRUCT_FLD(field_length, TRX_I_S_TRX_FK_ERROR_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ADAPTIVE_HASH_LATCHED 20 + {STRUCT_FLD(field_name, "trx_apative_hash_latched"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ADAPTIVE_HASH_TIMEOUT 21 + {STRUCT_FLD(field_name, "trx_adaptive_hash_timeout"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_OPERATION_STATE 8 + {STRUCT_FLD(field_name, "trx_operation_state"), + STRUCT_FLD(field_length, TRX_I_S_TRX_OP_STATE_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_TABLES_IN_USE 9 + {STRUCT_FLD(field_name, "trx_tables_in_use"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_TABLES_LOCKED 10 + {STRUCT_FLD(field_name, "trx_tables_locked"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LOCK_STRUCTS 11 + {STRUCT_FLD(field_name, "trx_lock_structs"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LOCK_MEMORY_BYTES 12 + {STRUCT_FLD(field_name, "trx_lock_memory_bytes"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ROWS_LOCKED 13 + {STRUCT_FLD(field_name, "trx_rows_locked"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ROWS_MODIFIED 14 + {STRUCT_FLD(field_name, "trx_rows_modified"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_CONNCURRENCY_TICKETS 15 + {STRUCT_FLD(field_name, "trx_concurrency_tickets"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ISOLATION_LEVEL 16 + {STRUCT_FLD(field_name, "trx_isolation_level"), + STRUCT_FLD(field_length, TRX_I_S_TRX_ISOLATION_LEVEL_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_UNIQUE_CHECKS 17 + {STRUCT_FLD(field_name, "trx_unique_checks"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 1), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_FOREIGN_KEY_CHECKS 18 + {STRUCT_FLD(field_name, "trx_foreign_key_checks"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 1), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_LAST_FOREIGN_KEY_ERROR 19 + {STRUCT_FLD(field_name, "trx_last_foreign_key_error"), + STRUCT_FLD(field_length, TRX_I_S_TRX_FK_ERROR_MAX_LEN), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ADAPTIVE_HASH_LATCHED 20 + {STRUCT_FLD(field_name, "trx_apative_hash_latched"), + STRUCT_FLD(field_length, 1), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define IDX_TRX_ADAPTIVE_HASH_TIMEOUT 21 + {STRUCT_FLD(field_name, "trx_adaptive_hash_timeout"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + END_OF_ST_FIELD_INFO }; @@ -370,6 +622,62 @@ fill_innodb_trx_from_cache( OK(field_store_string(fields[IDX_TRX_QUERY], row->trx_query)); + /* trx_operation_state */ + OK(field_store_string(fields[IDX_TRX_OPERATION_STATE], + row->trx_operation_state)); + + /* trx_tables_in_use */ + OK(fields[IDX_TRX_TABLES_IN_USE]->store( + (longlong) row->trx_tables_in_use, true)); + + /* trx_tables_locked */ + OK(fields[IDX_TRX_TABLES_LOCKED]->store( + (longlong) row->trx_tables_locked, true)); + + /* trx_lock_structs */ + OK(fields[IDX_TRX_LOCK_STRUCTS]->store( + (longlong) row->trx_lock_structs, true)); + + /* trx_lock_memory_bytes */ + OK(fields[IDX_TRX_LOCK_MEMORY_BYTES]->store( + (longlong) row->trx_lock_memory_bytes, true)); + + /* trx_rows_locked */ + OK(fields[IDX_TRX_ROWS_LOCKED]->store( + (longlong) row->trx_rows_locked, true)); + + /* trx_rows_modified */ + OK(fields[IDX_TRX_ROWS_MODIFIED]->store( + (longlong) row->trx_rows_modified, true)); + + /* trx_concurrency_tickets */ + OK(fields[IDX_TRX_CONNCURRENCY_TICKETS]->store( + (longlong) row->trx_concurrency_tickets, true)); + + /* trx_isolation_level */ + OK(field_store_string(fields[IDX_TRX_ISOLATION_LEVEL], + row->trx_isolation_level)); + + /* trx_unique_checks */ + OK(fields[IDX_TRX_UNIQUE_CHECKS]->store( + row->trx_unique_checks)); + + /* trx_foreign_key_checks */ + OK(fields[IDX_TRX_FOREIGN_KEY_CHECKS]->store( + row->trx_foreign_key_checks)); + + /* trx_last_foreign_key_error */ + OK(field_store_string(fields[IDX_TRX_LAST_FOREIGN_KEY_ERROR], + row->trx_foreign_key_error)); + + /* trx_apative_hash_latched */ + OK(fields[IDX_TRX_ADAPTIVE_HASH_LATCHED]->store( + row->trx_has_search_latch)); + + /* trx_adaptive_hash_timeout */ + OK(fields[IDX_TRX_ADAPTIVE_HASH_TIMEOUT]->store( + (longlong) row->trx_search_latch_timeout, true)); + OK(schema_table_store_record(thd, table)); } diff --git a/storage/innobase/include/lock0lock.h b/storage/innobase/include/lock0lock.h index ad271a95654..bdc11282dac 100644 --- a/storage/innobase/include/lock0lock.h +++ b/storage/innobase/include/lock0lock.h @@ -637,7 +637,7 @@ UNIV_INTERN ulint lock_number_of_rows_locked( /*=======================*/ - trx_t* trx); /*!< in: transaction */ + const trx_t* trx); /*!< in: transaction */ /*******************************************************************//** Check if a transaction holds any autoinc locks. @return TRUE if the transaction holds any AUTOINC locks. */ diff --git a/storage/innobase/include/trx0i_s.h b/storage/innobase/include/trx0i_s.h index 7bd4e1b88c8..c610782c229 100644 --- a/storage/innobase/include/trx0i_s.h +++ b/storage/innobase/include/trx0i_s.h @@ -44,6 +44,37 @@ i_s_locks_row_t::lock_data */ i_s_trx_row_t::trx_query */ #define TRX_I_S_TRX_QUERY_MAX_LEN 1024 +/** The maximum length of a string that can be stored in +i_s_trx_row_t::trx_operation_state */ +#define TRX_I_S_TRX_OP_STATE_MAX_LEN 64 + +/** The maximum length of a string that can be stored in +i_s_trx_row_t::trx_foreign_key_error */ +#define TRX_I_S_TRX_FK_ERROR_MAX_LEN 256 + +/** The maximum length of a string that can be stored in +i_s_trx_row_t::trx_isolation_level */ +#define TRX_I_S_TRX_ISOLATION_LEVEL_MAX_LEN 16 + +/** Safely copy strings in to the INNODB_TRX table's +string based columns */ +#define TRX_I_S_STRING_COPY(data, field, constraint, tcache) \ +do { \ + if (strlen(data) > constraint) { \ + char buff[constraint + 1]; \ + strncpy(buff, data, constraint); \ + buff[constraint] = '\0'; \ + \ + field = ha_storage_put_memlim( \ + (tcache)->storage, buff, constraint + 1,\ + MAX_ALLOWED_FOR_STORAGE(tcache)); \ + } else { \ + field = ha_storage_put_str_memlim( \ + (tcache)->storage, data, \ + MAX_ALLOWED_FOR_STORAGE(tcache)); \ + } \ +} while (0) + /** A row of INFORMATION_SCHEMA.innodb_locks */ typedef struct i_s_locks_row_struct i_s_locks_row_t; /** A row of INFORMATION_SCHEMA.innodb_trx */ @@ -95,21 +126,49 @@ struct i_s_locks_row_struct { /** This structure represents INFORMATION_SCHEMA.innodb_trx row */ struct i_s_trx_row_struct { - ullint trx_id; /*!< transaction identifier */ - const char* trx_state; /*!< transaction state from - trx_get_que_state_str() */ - ib_time_t trx_started; /*!< trx_struct::start_time */ + ullint trx_id; /*!< transaction identifier */ + const char* trx_state; /*!< transaction state from + trx_get_que_state_str() */ + ib_time_t trx_started; /*!< trx_struct::start_time */ const i_s_locks_row_t* requested_lock_row; - /*!< pointer to a row - in innodb_locks if trx - is waiting, or NULL */ - ib_time_t trx_wait_started; - /*!< trx_struct::wait_started */ - ullint trx_weight; /*!< TRX_WEIGHT() */ - ulint trx_mysql_thread_id; - /*!< thd_get_thread_id() */ - const char* trx_query; /*!< MySQL statement being - executed in the transaction */ + /*!< pointer to a row + in innodb_locks if trx + is waiting, or NULL */ + ib_time_t trx_wait_started; /*!< trx_struct::wait_started */ + ullint trx_weight; /*!< TRX_WEIGHT() */ + ulint trx_mysql_thread_id; /*!< thd_get_thread_id() */ + const char* trx_query; /*!< MySQL statement being + executed in the transaction */ + const char* trx_operation_state; /*!< trx_struct::op_info */ + ulint trx_tables_in_use;/*!< n_mysql_tables_in_use in + trx_struct */ + ulint trx_tables_locked; + /*!< mysql_n_tables_locked in + trx_struct */ + ulint trx_lock_structs;/*!< list len of trx_locks in + trx_struct */ + ulint trx_lock_memory_bytes; + /*!< mem_heap_get_size( + trx->lock_heap) */ + ulint trx_rows_locked;/*!< lock_number_of_rows_locked() */ + ullint trx_rows_modified;/*!< trx_struct::undo_no */ + ulint trx_concurrency_tickets; + /*!< n_tickets_to_enter_innodb in + trx_struct */ + const char* trx_isolation_level; + /*!< isolation_level in trx_struct*/ + ibool trx_unique_checks; + /*!< check_unique_secondary in + trx_struct*/ + ibool trx_foreign_key_checks; + /*!< check_foreigns in trx_struct */ + const char* trx_foreign_key_error; + /*!< detailed_error in trx_struct */ + ibool trx_has_search_latch; + /*!< has_search_latch in trx_struct */ + ulint trx_search_latch_timeout; + /*!< search_latch_timeout in + trx_struct */ }; /** This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */ diff --git a/storage/innobase/lock/lock0lock.c b/storage/innobase/lock/lock0lock.c index 04e5fe1a65a..8f29948dec7 100644 --- a/storage/innobase/lock/lock0lock.c +++ b/storage/innobase/lock/lock0lock.c @@ -1624,7 +1624,7 @@ UNIV_INTERN ulint lock_number_of_rows_locked( /*=======================*/ - trx_t* trx) /*!< in: transaction */ + const trx_t* trx) /*!< in: transaction */ { lock_t* lock; ulint n_records = 0; diff --git a/storage/innobase/trx/trx0i_s.c b/storage/innobase/trx/trx0i_s.c index ba8f998affd..937ce1b31f2 100644 --- a/storage/innobase/trx/trx0i_s.c +++ b/storage/innobase/trx/trx0i_s.c @@ -427,7 +427,7 @@ fill_trx_row( /*=========*/ i_s_trx_row_t* row, /*!< out: result object that's filled */ - const trx_t* trx, /*!< in: transaction to + const trx_t* trx, /*!< in: transaction to get data from */ const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the corresponding row in @@ -470,25 +470,8 @@ fill_trx_row( if (trx->mysql_query_str != NULL && *trx->mysql_query_str != NULL) { - if (strlen(*trx->mysql_query_str) - > TRX_I_S_TRX_QUERY_MAX_LEN) { - - char query[TRX_I_S_TRX_QUERY_MAX_LEN + 1]; - - memcpy(query, *trx->mysql_query_str, - TRX_I_S_TRX_QUERY_MAX_LEN); - query[TRX_I_S_TRX_QUERY_MAX_LEN] = '\0'; - - row->trx_query = ha_storage_put_memlim( - cache->storage, query, - TRX_I_S_TRX_QUERY_MAX_LEN + 1, - MAX_ALLOWED_FOR_STORAGE(cache)); - } else { - - row->trx_query = ha_storage_put_str_memlim( - cache->storage, *trx->mysql_query_str, - MAX_ALLOWED_FOR_STORAGE(cache)); - } + TRX_I_S_STRING_COPY(*trx->mysql_query_str, row->trx_query, + TRX_I_S_TRX_QUERY_MAX_LEN, cache); if (row->trx_query == NULL) { @@ -499,6 +482,74 @@ fill_trx_row( row->trx_query = NULL; } + if (trx->op_info != NULL && trx->op_info[0] != '\0') { + + TRX_I_S_STRING_COPY(trx->op_info, row->trx_operation_state, + TRX_I_S_TRX_OP_STATE_MAX_LEN, cache); + + if (row->trx_operation_state == NULL) { + + return(FALSE); + } + } else { + + row->trx_operation_state = NULL; + } + + row->trx_tables_in_use = trx->n_mysql_tables_in_use; + + row->trx_tables_locked = trx->mysql_n_tables_locked; + + row->trx_lock_structs = UT_LIST_GET_LEN(trx->trx_locks); + + row->trx_lock_memory_bytes = mem_heap_get_size(trx->lock_heap); + + row->trx_rows_locked = lock_number_of_rows_locked(trx); + + row->trx_rows_modified = ut_conv_dulint_to_longlong(trx->undo_no); + + row->trx_concurrency_tickets = trx->n_tickets_to_enter_innodb; + + switch (trx->isolation_level) { + case TRX_ISO_READ_UNCOMMITTED: + row->trx_isolation_level = "READ UNCOMMITTED"; + break; + case TRX_ISO_READ_COMMITTED: + row->trx_isolation_level = "READ COMMITTED"; + break; + case TRX_ISO_REPEATABLE_READ: + row->trx_isolation_level = "REPEATABLE READ"; + break; + case TRX_ISO_SERIALIZABLE: + row->trx_isolation_level = "SERIALIZABLE"; + break; + /* Should not happen as TRX_ISO_READ_COMMITTED is default */ + default: + row->trx_isolation_level = "UNKNOWN"; + } + + row->trx_unique_checks = (ibool) trx->check_unique_secondary; + + row->trx_foreign_key_checks = (ibool) trx->check_foreigns; + + if (trx->detailed_error != NULL && trx->detailed_error[0] != '\0') { + + TRX_I_S_STRING_COPY(trx->detailed_error, + row->trx_foreign_key_error, + TRX_I_S_TRX_FK_ERROR_MAX_LEN, cache); + + if (row->trx_foreign_key_error == NULL) { + + return(FALSE); + } + } else { + row->trx_foreign_key_error = NULL; + } + + row->trx_has_search_latch = (ibool) trx->has_search_latch; + + row->trx_search_latch_timeout = trx->search_latch_timeout; + return(TRUE); } From 510eda6162db6ebd5da3385f00f624c98790a20a Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 12 May 2010 20:37:00 +0300 Subject: [PATCH 306/400] Fix whitespace breakage introduced in jimmy.yang@oracle.com-20100512153945-zg3suquj1ps6xn5z --- storage/innobase/trx/trx0i_s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/trx/trx0i_s.c b/storage/innobase/trx/trx0i_s.c index 937ce1b31f2..570098d84ea 100644 --- a/storage/innobase/trx/trx0i_s.c +++ b/storage/innobase/trx/trx0i_s.c @@ -427,7 +427,7 @@ fill_trx_row( /*=========*/ i_s_trx_row_t* row, /*!< out: result object that's filled */ - const trx_t* trx, /*!< in: transaction to + const trx_t* trx, /*!< in: transaction to get data from */ const i_s_locks_row_t* requested_lock_row,/*!< in: pointer to the corresponding row in From 50121bbb5eb0acddd88ee5f88d9a5d35f46a0188 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Thu, 13 May 2010 06:58:43 +1000 Subject: [PATCH 307/400] Cover the srv_suspend_thread() call by the kernel mutex. This change was forgotten when I reverted the kernel mutex split patch. --- storage/innobase/srv/srv0srv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 8a48fc46620..25327b567c7 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -3078,9 +3078,13 @@ srv_purge_thread( srv_sync_log_buffer_in_background(); } + mutex_enter(&kernel_mutex); + /* Decrement the active count. */ srv_suspend_thread(); + mutex_exit(&kernel_mutex); + /* Free the thread local memory. */ thr_local_free(os_thread_get_curr_id()); From c88f2f61ace4dbcd1386d70de4e8981d26601859 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 13 May 2010 10:46:52 +0300 Subject: [PATCH 308/400] Followup to Bug#51920, fix binlog.binlog_killed This is a followup to the fix of Bug#51920 Innodb connections in row lock wait ignore KILL until lock wait timeout in that fix (rb://279) the behavior was changed to honor when a trx is interrupted during lock wait, but the returned error code was still "lock wait timeout" when it should be "interrupted". This change fixes the non-deterministically failing test binlog.binlog_killed, that failed like this: binlog.binlog_killed 'stmt' [ fail ] Test ended at 2010-05-12 11:39:08 CURRENT_TEST: binlog.binlog_killed mysqltest: At line 208: query 'reap' failed with wrong errno 1205: 'Lock wait timeout exceeded; try restarting transaction', instead of 0... Approved by: Sunny Bains (rb://344) --- storage/innobase/row/row0mysql.c | 1 + storage/innobase/srv/srv0srv.c | 10 +++++++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index 24abf8067f2..c900e33596a 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -522,6 +522,7 @@ handle_new_error: case DB_CANNOT_ADD_CONSTRAINT: case DB_TOO_MANY_CONCURRENT_TRXS: case DB_OUT_OF_FILE_SPACE: + case DB_INTERRUPTED: if (savept) { /* Roll back the latest, possibly incomplete insertion or update */ diff --git a/storage/innobase/srv/srv0srv.c b/storage/innobase/srv/srv0srv.c index 8a48fc46620..18ffd461c5b 100644 --- a/storage/innobase/srv/srv0srv.c +++ b/storage/innobase/srv/srv0srv.c @@ -1644,12 +1644,16 @@ srv_suspend_mysql_thread( innodb_lock_wait_timeout, because trx->mysql_thd == NULL. */ lock_wait_timeout = thd_lock_wait_timeout(trx->mysql_thd); - if (trx_is_interrupted(trx) - || (lock_wait_timeout < 100000000 - && wait_time > (double) lock_wait_timeout)) { + if (lock_wait_timeout < 100000000 + && wait_time > (double) lock_wait_timeout) { trx->error_state = DB_LOCK_WAIT_TIMEOUT; } + + if (trx_is_interrupted(trx)) { + + trx->error_state = DB_INTERRUPTED; + } } /********************************************************************//** From 8a6953dbc544f2af6f2d9007efe93750f375d9fa Mon Sep 17 00:00:00 2001 From: Dmitry Lenev Date: Thu, 13 May 2010 13:24:59 +0400 Subject: [PATCH 309/400] Fix compiler warning about "assignment used as truth value" which was introduced by fix for bug 47459 "Assertion in Diagnostics_area::set_eof_status on OPTIMIZE TABLE. --- sql/sql_table.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 4987e937555..2b8e7de3a60 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -5024,7 +5024,7 @@ send_result_message: /* Clear the ticket released in close_thread_tables(). */ table->mdl_request.ticket= NULL; DEBUG_SYNC(thd, "ha_admin_open_ltable"); - if (table->table= open_ltable(thd, table, lock_type, 0)) + if ((table->table= open_ltable(thd, table, lock_type, 0))) { result_code= table->table->file->ha_analyze(thd, check_opt); if (result_code == HA_ADMIN_ALREADY_DONE) From 017d66b5c80663acad3d968a408de6fd52db3070 Mon Sep 17 00:00:00 2001 From: Dmitry Lenev Date: Thu, 13 May 2010 13:36:49 +0400 Subject: [PATCH 310/400] Small clean-up. Removed standalone enum_open_table_action enum type, which some time ago became part of Open_table_context class. Apparently standalone enum type was erroneously re-introduced during one of merges. --- sql/sql_base.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/sql/sql_base.h b/sql/sql_base.h index 77fbc7458ca..0c16151e43a 100644 --- a/sql/sql_base.h +++ b/sql/sql_base.h @@ -56,9 +56,6 @@ enum enum_resolution_type { RESOLVED_AGAINST_ALIAS }; -enum enum_open_table_action {OT_NO_ACTION= 0, OT_BACK_OFF_AND_RETRY, - OT_DISCOVER, OT_REPAIR}; - enum find_item_error_report_type {REPORT_ALL_ERRORS, REPORT_EXCEPT_NOT_FOUND, IGNORE_ERRORS, REPORT_EXCEPT_NON_UNIQUE, IGNORE_EXCEPT_NON_UNIQUE}; From 2a3db4b9e2196db20970edb71524edd7185d1d68 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Fri, 14 May 2010 16:31:44 +0300 Subject: [PATCH 311/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Post-merge fixes: Remove the MYSQL_VERSION_ID checks, because they only apply to the InnoDB Plugin. Fix potential race condition accessing trx->op_info and trx->detailed_error. ------------------------------------------------------------ revno: 3466 revision-id: marko.makela@oracle.com-20100514130815-ym7j7cfu88ro6km4 parent: marko.makela@oracle.com-20100514130228-n3n42nw7ht78k0wn committer: Marko Mäkelä branch nick: mysql-5.1-innodb2 timestamp: Fri 2010-05-14 16:08:15 +0300 message: Make the InnoDB FOREIGN KEY parser understand multi-statements. (Bug #48024) Also make InnoDB thinks that /*/ only starts a comment. (Bug #53644). This fixes the bugs in the InnoDB Plugin. ha_innodb.h: Use trx_query_string() instead of trx_query() when available (MySQL 5.1.42 or later). innobase_get_stmt(): New function, to retrieve the currently running SQL statement. struct trx_struct: Remove mysql_query_str. Use innobase_get_stmt() instead. dict_strip_comments(): Add and observe the parameter sql_length. Treat /*/ as the start of a comment. dict_create_foreign_constraints(), row_table_add_foreign_constraints(): Add the parameter sql_length. --- .../suite/innodb/r/innodb_bug48024.result | 10 ++++ .../suite/innodb/t/innodb_bug48024.test | 20 ++++++++ storage/innobase/dict/dict0dict.c | 51 ++++++++++++------- storage/innobase/handler/ha_innodb.cc | 29 +++++++++-- storage/innobase/handler/ha_innodb.h | 2 +- storage/innobase/include/dict0dict.h | 1 + storage/innobase/include/ha_prototypes.h | 12 ++++- storage/innobase/include/row0mysql.h | 1 + storage/innobase/include/trx0trx.h | 3 -- storage/innobase/row/row0mysql.c | 5 +- storage/innobase/trx/trx0i_s.c | 45 +++++++++++----- storage/innobase/trx/trx0trx.c | 2 - 12 files changed, 136 insertions(+), 45 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb_bug48024.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug48024.test diff --git a/mysql-test/suite/innodb/r/innodb_bug48024.result b/mysql-test/suite/innodb/r/innodb_bug48024.result new file mode 100644 index 00000000000..611923d2796 --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug48024.result @@ -0,0 +1,10 @@ +CREATE TABLE bug48024(a int PRIMARY KEY,b int NOT NULL,KEY(b)) ENGINE=InnoDB; +CREATE TABLE bug48024_b(b int PRIMARY KEY) ENGINE=InnoDB; +ALTER TABLE bug48024 /*/ADD CONSTRAINT FOREIGN KEY(c) REFERENCES(a),/*/ +ADD CONSTRAINT FOREIGN KEY(b) REFERENCES bug48024_b(b); +DROP TABLE bug48024,bug48024_b; +CREATE TABLE bug48024(a int PRIMARY KEY,b int NOT NULL,KEY(b)) ENGINE=InnoDB; +CREATE TABLE bug48024_b(b int PRIMARY KEY) ENGINE=InnoDB; +ALTER TABLE bug48024 /*/ADD CONSTRAINT FOREIGN KEY(c) REFERENCES(a),/*/ +ADD CONSTRAINT FOREIGN KEY(b) REFERENCES bug48024_b(b)| +DROP TABLE bug48024,bug48024_b; diff --git a/mysql-test/suite/innodb/t/innodb_bug48024.test b/mysql-test/suite/innodb/t/innodb_bug48024.test new file mode 100644 index 00000000000..00d76beb89d --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug48024.test @@ -0,0 +1,20 @@ +# Bug #48024 Innodb doesn't work with multi-statements + +--source include/have_innodb.inc + +CREATE TABLE bug48024(a int PRIMARY KEY,b int NOT NULL,KEY(b)) ENGINE=InnoDB; +CREATE TABLE bug48024_b(b int PRIMARY KEY) ENGINE=InnoDB; +# Bug #53644 InnoDB thinks that /*/ starts and ends a comment +ALTER TABLE bug48024 /*/ADD CONSTRAINT FOREIGN KEY(c) REFERENCES(a),/*/ +ADD CONSTRAINT FOREIGN KEY(b) REFERENCES bug48024_b(b); + +DROP TABLE bug48024,bug48024_b; + +delimiter |; +CREATE TABLE bug48024(a int PRIMARY KEY,b int NOT NULL,KEY(b)) ENGINE=InnoDB; +CREATE TABLE bug48024_b(b int PRIMARY KEY) ENGINE=InnoDB; +ALTER TABLE bug48024 /*/ADD CONSTRAINT FOREIGN KEY(c) REFERENCES(a),/*/ +ADD CONSTRAINT FOREIGN KEY(b) REFERENCES bug48024_b(b)| +delimiter ;| + +DROP TABLE bug48024,bug48024_b; diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c index ae3e7520b85..a298d785449 100644 --- a/storage/innobase/dict/dict0dict.c +++ b/storage/innobase/dict/dict0dict.c @@ -3023,25 +3023,28 @@ static char* dict_strip_comments( /*================*/ - const char* sql_string) /*!< in: SQL string */ + const char* sql_string, /*!< in: SQL string */ + size_t sql_length) /*!< in: length of sql_string */ { char* str; const char* sptr; + const char* eptr = sql_string + sql_length; char* ptr; /* unclosed quote character (0 if none) */ char quote = 0; - str = mem_alloc(strlen(sql_string) + 1); + str = mem_alloc(sql_length + 1); sptr = sql_string; ptr = str; for (;;) { scan_more: - if (*sptr == '\0') { + if (sptr >= eptr || *sptr == '\0') { +end_of_string: *ptr = '\0'; - ut_a(ptr <= str + strlen(sql_string)); + ut_a(ptr <= str + sql_length); return(str); } @@ -3060,30 +3063,35 @@ scan_more: || (sptr[0] == '-' && sptr[1] == '-' && sptr[2] == ' ')) { for (;;) { + if (++sptr >= eptr) { + goto end_of_string; + } + /* In Unix a newline is 0x0A while in Windows it is 0x0D followed by 0x0A */ - if (*sptr == (char)0x0A - || *sptr == (char)0x0D - || *sptr == '\0') { - + switch (*sptr) { + case (char) 0X0A: + case (char) 0x0D: + case '\0': goto scan_more; } - - sptr++; } } else if (!quote && *sptr == '/' && *(sptr + 1) == '*') { + sptr += 2; for (;;) { - if (*sptr == '*' && *(sptr + 1) == '/') { - - sptr += 2; - - goto scan_more; + if (sptr >= eptr) { + goto end_of_string; } - if (*sptr == '\0') { - + switch (*sptr) { + case '\0': goto scan_more; + case '*': + if (sptr[1] == '/') { + sptr += 2; + goto scan_more; + } } sptr++; @@ -3764,6 +3772,7 @@ dict_create_foreign_constraints( name before it: test.table2; the default database id the database of parameter name */ + size_t sql_length, /*!< in: length of sql_string */ const char* name, /*!< in: table full name in the normalized form database_name/table_name */ @@ -3778,7 +3787,7 @@ dict_create_foreign_constraints( ut_a(trx); ut_a(trx->mysql_thd); - str = dict_strip_comments(sql_string); + str = dict_strip_comments(sql_string, sql_length); heap = mem_heap_create(10000); err = dict_create_foreign_constraints_low( @@ -3811,6 +3820,7 @@ dict_foreign_parse_drop_constraints( dict_foreign_t* foreign; ibool success; char* str; + size_t len; const char* ptr; const char* id; FILE* ef = dict_foreign_err_file; @@ -3825,7 +3835,10 @@ dict_foreign_parse_drop_constraints( *constraints_to_drop = mem_heap_alloc(heap, 1000 * sizeof(char*)); - str = dict_strip_comments(*(trx->mysql_query_str)); + ptr = innobase_get_stmt(trx->mysql_thd, &len); + + str = dict_strip_comments(ptr, len); + ptr = str; ut_ad(mutex_own(&(dict_sys->mutex))); diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 4a8d91cac11..12561c8c2a6 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -1133,6 +1133,23 @@ innobase_get_charset( return(thd_charset((THD*) mysql_thd)); } +/**********************************************************************//** +Determines the current SQL statement. +@return SQL statement string */ +extern "C" UNIV_INTERN +const char* +innobase_get_stmt( +/*==============*/ + void* mysql_thd, /*!< in: MySQL thread handle */ + size_t* length) /*!< out: length of the SQL statement */ +{ + LEX_STRING* stmt; + + stmt = thd_query_string((THD*) mysql_thd); + *length = stmt->length; + return(stmt->str); +} + #if defined (__WIN__) && defined (MYSQL_DYNAMIC_PLUGIN) extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list; /*******************************************************************//** @@ -1465,7 +1482,6 @@ innobase_trx_allocate( trx = trx_allocate_for_mysql(); trx->mysql_thd = thd; - trx->mysql_query_str = thd_query(thd); innobase_trx_init(thd, trx); @@ -6632,6 +6648,8 @@ ha_innobase::create( /* Cache the value of innodb_file_format, in case it is modified by another thread while the table is being created. */ const ulint file_format = srv_file_format; + const char* stmt; + size_t stmt_len; DBUG_ENTER("ha_innobase::create"); @@ -6908,9 +6926,11 @@ ha_innobase::create( } } - if (*trx->mysql_query_str) { - error = row_table_add_foreign_constraints(trx, - *trx->mysql_query_str, norm_name, + stmt = innobase_get_stmt(thd, &stmt_len); + + if (stmt) { + error = row_table_add_foreign_constraints( + trx, stmt, stmt_len, norm_name, create_info->options & HA_LEX_CREATE_TMP_TABLE); error = convert_error_code_to_mysql(error, flags, NULL); @@ -7195,7 +7215,6 @@ innobase_drop_database( /* In the Windows plugin, thd = current_thd is always NULL */ trx = trx_allocate_for_mysql(); trx->mysql_thd = NULL; - trx->mysql_query_str = NULL; #else trx = innobase_trx_allocate(thd); #endif diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h index 8a3e1ccff82..e5bc757ed72 100644 --- a/storage/innobase/handler/ha_innodb.h +++ b/storage/innobase/handler/ha_innodb.h @@ -231,7 +231,7 @@ the definitions are bracketed with #ifdef INNODB_COMPATIBILITY_HOOKS */ extern "C" { struct charset_info_st *thd_charset(MYSQL_THD thd); -char **thd_query(MYSQL_THD thd); +LEX_STRING *thd_query_string(MYSQL_THD thd); /** Get the file name of the MySQL binlog. * @return the name of the binlog file diff --git a/storage/innobase/include/dict0dict.h b/storage/innobase/include/dict0dict.h index 79dcbb30de2..3a1bee4cd89 100644 --- a/storage/innobase/include/dict0dict.h +++ b/storage/innobase/include/dict0dict.h @@ -352,6 +352,7 @@ dict_create_foreign_constraints( name before it: test.table2; the default database id the database of parameter name */ + size_t sql_length, /*!< in: length of sql_string */ const char* name, /*!< in: table full name in the normalized form database_name/table_name */ diff --git a/storage/innobase/include/ha_prototypes.h b/storage/innobase/include/ha_prototypes.h index 9725ef05ad8..a9ee1d66b99 100644 --- a/storage/innobase/include/ha_prototypes.h +++ b/storage/innobase/include/ha_prototypes.h @@ -215,11 +215,21 @@ innobase_casedn_str( /**********************************************************************//** Determines the connection character set. @return connection character set */ +UNIV_INTERN struct charset_info_st* innobase_get_charset( /*=================*/ void* mysql_thd); /*!< in: MySQL thread handle */ - +/**********************************************************************//** +Determines the current SQL statement. +@return SQL statement string */ +UNIV_INTERN +const char* +innobase_get_stmt( +/*==============*/ + void* mysql_thd, /*!< in: MySQL thread handle */ + size_t* length) /*!< out: length of the SQL statement */ + __attribute__((nonnull)); /******************************************************************//** This function is used to find the storage length in bytes of the first n characters for prefix indexes using a multibyte character set. The function diff --git a/storage/innobase/include/row0mysql.h b/storage/innobase/include/row0mysql.h index d2a8734c61f..bf9cda1ba80 100644 --- a/storage/innobase/include/row0mysql.h +++ b/storage/innobase/include/row0mysql.h @@ -403,6 +403,7 @@ row_table_add_foreign_constraints( FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written also with the database name before it: test.table2 */ + size_t sql_length, /*!< in: length of sql_string */ const char* name, /*!< in: table full name in the normalized form database_name/table_name */ diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h index 6872fb463c0..abd175d365b 100644 --- a/storage/innobase/include/trx0trx.h +++ b/storage/innobase/include/trx0trx.h @@ -560,9 +560,6 @@ struct trx_struct{ /*------------------------------*/ void* mysql_thd; /*!< MySQL thread handle corresponding to this trx, or NULL */ - char** mysql_query_str;/* pointer to the field in mysqld_thd - which contains the pointer to the - current SQL query string */ const char* mysql_log_file_name; /* if MySQL binlog is used, this field contains a pointer to the latest file diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index c900e33596a..9592de88346 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -2060,6 +2060,7 @@ row_table_add_foreign_constraints( FOREIGN KEY (a, b) REFERENCES table2(c, d), table2 can be written also with the database name before it: test.table2 */ + size_t sql_length, /*!< in: length of sql_string */ const char* name, /*!< in: table full name in the normalized form database_name/table_name */ @@ -2081,8 +2082,8 @@ row_table_add_foreign_constraints( trx_set_dict_operation(trx, TRX_DICT_OP_TABLE); - err = dict_create_foreign_constraints(trx, sql_string, name, - reject_fks); + err = dict_create_foreign_constraints(trx, sql_string, sql_length, + name, reject_fks); if (err == DB_SUCCESS) { /* Check that also referencing constraints are ok */ err = dict_load_foreigns(name, TRUE); diff --git a/storage/innobase/trx/trx0i_s.c b/storage/innobase/trx/trx0i_s.c index 570098d84ea..2e72940ea23 100644 --- a/storage/innobase/trx/trx0i_s.c +++ b/storage/innobase/trx/trx0i_s.c @@ -438,6 +438,10 @@ fill_trx_row( which to copy volatile strings */ { + const char* stmt; + size_t stmt_len; + const char* s; + row->trx_id = trx_get_id(trx); row->trx_started = (ib_time_t) trx->start_time; row->trx_state = trx_get_que_state_str(trx); @@ -458,20 +462,32 @@ fill_trx_row( row->trx_weight = (ullint) ut_conv_dulint_to_longlong(TRX_WEIGHT(trx)); - if (trx->mysql_thd != NULL) { - row->trx_mysql_thread_id - = thd_get_thread_id(trx->mysql_thd); - } else { + if (trx->mysql_thd == NULL) { /* For internal transactions e.g., purge and transactions being recovered at startup there is no associated MySQL thread data structure. */ row->trx_mysql_thread_id = 0; + row->trx_query = NULL; + goto thd_done; } - if (trx->mysql_query_str != NULL && *trx->mysql_query_str != NULL) { + row->trx_mysql_thread_id = thd_get_thread_id(trx->mysql_thd); + stmt = innobase_get_stmt(trx->mysql_thd, &stmt_len); - TRX_I_S_STRING_COPY(*trx->mysql_query_str, row->trx_query, - TRX_I_S_TRX_QUERY_MAX_LEN, cache); + if (stmt != NULL) { + + char query[TRX_I_S_TRX_QUERY_MAX_LEN + 1]; + + if (stmt_len > TRX_I_S_TRX_QUERY_MAX_LEN) { + stmt_len = TRX_I_S_TRX_QUERY_MAX_LEN; + } + + memcpy(query, stmt, stmt_len); + query[stmt_len] = '\0'; + + row->trx_query = ha_storage_put_memlim( + cache->storage, stmt, stmt_len + 1, + MAX_ALLOWED_FOR_STORAGE(cache)); if (row->trx_query == NULL) { @@ -482,9 +498,12 @@ fill_trx_row( row->trx_query = NULL; } - if (trx->op_info != NULL && trx->op_info[0] != '\0') { +thd_done: + s = trx->op_info; - TRX_I_S_STRING_COPY(trx->op_info, row->trx_operation_state, + if (s != NULL && s[0] != '\0') { + + TRX_I_S_STRING_COPY(s, row->trx_operation_state, TRX_I_S_TRX_OP_STATE_MAX_LEN, cache); if (row->trx_operation_state == NULL) { @@ -532,9 +551,11 @@ fill_trx_row( row->trx_foreign_key_checks = (ibool) trx->check_foreigns; - if (trx->detailed_error != NULL && trx->detailed_error[0] != '\0') { + s = trx->detailed_error; - TRX_I_S_STRING_COPY(trx->detailed_error, + if (s != NULL && s[0] != '\0') { + + TRX_I_S_STRING_COPY(s, row->trx_foreign_key_error, TRX_I_S_TRX_FK_ERROR_MAX_LEN, cache); @@ -543,7 +564,7 @@ fill_trx_row( return(FALSE); } } else { - row->trx_foreign_key_error = NULL; + row->trx_foreign_key_error = NULL; } row->trx_has_search_latch = (ibool) trx->has_search_latch; diff --git a/storage/innobase/trx/trx0trx.c b/storage/innobase/trx/trx0trx.c index 442037ad20a..c794671f7be 100644 --- a/storage/innobase/trx/trx0trx.c +++ b/storage/innobase/trx/trx0trx.c @@ -124,7 +124,6 @@ trx_create( trx->table_id = ut_dulint_zero; trx->mysql_thd = NULL; - trx->mysql_query_str = NULL; trx->active_trans = 0; trx->duplicates = 0; @@ -944,7 +943,6 @@ trx_commit_off_kernel( trx->rseg = NULL; trx->undo_no = ut_dulint_zero; trx->last_sql_stat_start.least_undo_no = ut_dulint_zero; - trx->mysql_query_str = NULL; ut_ad(UT_LIST_GET_LEN(trx->wait_thrs) == 0); ut_ad(UT_LIST_GET_LEN(trx->trx_locks) == 0); From 16968abb4362d1793564e1a4bf523aa1d500d702 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 14 May 2010 16:38:32 +0300 Subject: [PATCH 312/400] Add a debug assertion to make it clear that we expect to own the kernel mutex in fill_trx_row(). --- storage/innobase/trx/trx0i_s.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/storage/innobase/trx/trx0i_s.c b/storage/innobase/trx/trx0i_s.c index 570098d84ea..1edf0d22d4a 100644 --- a/storage/innobase/trx/trx0i_s.c +++ b/storage/innobase/trx/trx0i_s.c @@ -438,6 +438,8 @@ fill_trx_row( which to copy volatile strings */ { + ut_ad(mutex_own(&kernel_mutex)); + row->trx_id = trx_get_id(trx); row->trx_started = (ib_time_t) trx->start_time; row->trx_state = trx_get_que_state_str(trx); From d63caa0c30ad5f6d19709fe64817ad546546f97b Mon Sep 17 00:00:00 2001 From: Konstantin Osipov Date: Fri, 14 May 2010 18:42:10 +0400 Subject: [PATCH 313/400] Committing on behalf of Valdislav Vaintroub (reviewed and approved): 3161 Vladislav Vaintroub 2010-04-29 Bug#53196 : CMake builds don't support 'make tags' and 'make ctags' targets. - Added tags and ctags targets --- CMakeLists.txt | 1 + cmake/Makefile.am | 1 + cmake/tags.cmake | 26 ++++++++++++++++++++++++++ 3 files changed, 28 insertions(+) create mode 100644 cmake/tags.cmake diff --git a/CMakeLists.txt b/CMakeLists.txt index d20939f33ac..0b0beea6f42 100755 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -259,6 +259,7 @@ IF(NOT WITHOUT_SERVER) ENDIF() INCLUDE(cmake/abi_check.cmake) +INCLUDE(cmake/tags.cmake) CONFIGURE_FILE(config.h.cmake ${CMAKE_BINARY_DIR}/include/my_config.h) CONFIGURE_FILE(config.h.cmake ${CMAKE_BINARY_DIR}/include/config.h) diff --git a/cmake/Makefile.am b/cmake/Makefile.am index 6fe1a9556be..af3ec4f980d 100644 --- a/cmake/Makefile.am +++ b/cmake/Makefile.am @@ -24,6 +24,7 @@ EXTRA_DIST = \ dtrace_prelink.cmake \ versioninfo.rc.in \ mysql_add_executable.cmake \ + tags.cmake \ install_layout.cmake \ build_configurations/mysql_release.cmake \ os/Windows.cmake \ diff --git a/cmake/tags.cmake b/cmake/tags.cmake new file mode 100644 index 00000000000..07c1411a1d6 --- /dev/null +++ b/cmake/tags.cmake @@ -0,0 +1,26 @@ +# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +# Generate tag files +IF(UNIX) + ADD_CUSTOM_TARGET (tags + COMMAND support-files/build-tags + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + ) + ADD_CUSTOM_TARGET (ctags + COMMAND ctags -R -f CTAGS + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + ) +ENDIF() From 930e66c20674c4fd15daff1775f13bc65b11aab8 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 17 May 2010 09:32:06 +0300 Subject: [PATCH 314/400] Silence a spurious valrgind warning: ==2229== Uninitialised byte(s) found during client check request ==2229== at 0x9A599D: buf_page_get_gen (buf0buf.c:3003) ==2229== by 0x9D58CD: fsp_header_init (fsp0fsp.c:974) ==2229== by 0x95BEAE: innobase_start_or_create_for_mysql (srv0start.c:1537) ==2229== by 0x91DDBB: innobase_init(void*) (ha_innodb.cc:2409) ==2229== by 0x73AF1F: ha_initialize_handlerton(st_plugin_int*) (handler.cc:475) ==2229== by 0x5DBAE3: plugin_initialize(st_plugin_int*) (sql_plugin.cc:1057) ==2229== by 0x5DD185: plugin_init(int*, char**, int) (sql_plugin.cc:1343) ==2229== by 0x53830A: init_server_components() (mysqld.cc:4141) ==2229== by 0x539048: mysqld_main(int, char**) (mysqld.cc:4742) ==2229== by 0x52D412: main (main.cc:24) ==2229== Address 0x998B00C is not stack'd, malloc'd or (recently) free'd ==2229== (Memcheck does not allow error to be suppressed) Approved by: Marko (rb://345) --- storage/innobase/buf/buf0buf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/storage/innobase/buf/buf0buf.c b/storage/innobase/buf/buf0buf.c index fe324ec2ab1..e920bf19882 100644 --- a/storage/innobase/buf/buf0buf.c +++ b/storage/innobase/buf/buf0buf.c @@ -3000,7 +3000,12 @@ wait_until_unfixed: ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE); mutex_enter(&block->mutex); +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no padding in buf_page_t. On + other systems, Valgrind could complain about uninitialized pad + bytes. */ UNIV_MEM_ASSERT_RW(&block->page, sizeof block->page); +#endif buf_block_buf_fix_inc(block, file, line); From 0ddfb66f5b45c49d1931aa6400ae77b4dec67473 Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Mon, 17 May 2010 01:57:42 -0700 Subject: [PATCH 315/400] Fix bug #52546, crash on shutdown of plugin with innodb_use_sys_malloc=0. rb://339, approved by Sunny Bains. --- storage/innobase/include/mem0pool.h | 12 --------- storage/innobase/mem/mem0mem.c | 12 ++++----- storage/innobase/mem/mem0pool.c | 41 ++++++++++++++++++----------- storage/innobase/srv/srv0start.c | 6 ++++- 4 files changed, 37 insertions(+), 34 deletions(-) diff --git a/storage/innobase/include/mem0pool.h b/storage/innobase/include/mem0pool.h index 5e93bf88a47..fa8be296ec9 100644 --- a/storage/innobase/include/mem0pool.h +++ b/storage/innobase/include/mem0pool.h @@ -100,18 +100,6 @@ mem_pool_get_reserved( /*==================*/ mem_pool_t* pool); /*!< in: memory pool */ /********************************************************************//** -Reserves the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_enter(void); -/*======================*/ -/********************************************************************//** -Releases the mem pool mutex. */ -UNIV_INTERN -void -mem_pool_mutex_exit(void); -/*=====================*/ -/********************************************************************//** Validates a memory pool. @return TRUE if ok */ UNIV_INTERN diff --git a/storage/innobase/mem/mem0mem.c b/storage/innobase/mem/mem0mem.c index 3e0e31c0891..b5a7ddbd7b2 100644 --- a/storage/innobase/mem/mem0mem.c +++ b/storage/innobase/mem/mem0mem.c @@ -367,7 +367,7 @@ mem_heap_create_block( block->line = line; #ifdef MEM_PERIODIC_CHECK - mem_pool_mutex_enter(); + mutex_enter(&(mem_comm_pool->mutex)); if (!mem_block_list_inited) { mem_block_list_inited = TRUE; @@ -376,7 +376,7 @@ mem_heap_create_block( UT_LIST_ADD_LAST(mem_block_list, mem_block_list, block); - mem_pool_mutex_exit(); + mutex_exit(&(mem_comm_pool->mutex)); #endif mem_block_set_len(block, len); mem_block_set_type(block, type); @@ -479,11 +479,11 @@ mem_heap_block_free( UT_LIST_REMOVE(list, heap->base, block); #ifdef MEM_PERIODIC_CHECK - mem_pool_mutex_enter(); + mutex_enter(&(mem_comm_pool->mutex)); UT_LIST_REMOVE(mem_block_list, mem_block_list, block); - mem_pool_mutex_exit(); + mutex_exit(&(mem_comm_pool->mutex)); #endif ut_ad(heap->total_size >= block->len); @@ -556,7 +556,7 @@ mem_validate_all_blocks(void) { mem_block_t* block; - mem_pool_mutex_enter(); + mutex_enter(&(mem_comm_pool->mutex)); block = UT_LIST_GET_FIRST(mem_block_list); @@ -568,6 +568,6 @@ mem_validate_all_blocks(void) block = UT_LIST_GET_NEXT(mem_block_list, block); } - mem_pool_mutex_exit(); + mutex_exit(&(mem_comm_pool->mutex)); } #endif diff --git a/storage/innobase/mem/mem0pool.c b/storage/innobase/mem/mem0pool.c index cb33e788bee..dc68cf8eb24 100644 --- a/storage/innobase/mem/mem0pool.c +++ b/storage/innobase/mem/mem0pool.c @@ -34,6 +34,7 @@ Created 5/12/1997 Heikki Tuuri #include "ut0lst.h" #include "ut0byte.h" #include "mem0mem.h" +#include "srv0start.h" /* We would like to use also the buffer frames to allocate memory. This would be desirable, because then the memory consumption of the database @@ -126,23 +127,33 @@ mysql@lists.mysql.com */ UNIV_INTERN ulint mem_n_threads_inside = 0; /********************************************************************//** -Reserves the mem pool mutex. */ -UNIV_INTERN +Reserves the mem pool mutex if we are not in server shutdown. Use +this function only in memory free functions, since only memory +free functions are used during server shutdown. */ +UNIV_INLINE void -mem_pool_mutex_enter(void) -/*======================*/ +mem_pool_mutex_enter( +/*=================*/ + mem_pool_t* pool) /*!< in: memory pool */ { - mutex_enter(&(mem_comm_pool->mutex)); + if (srv_shutdown_state < SRV_SHUTDOWN_EXIT_THREADS) { + mutex_enter(&(pool->mutex)); + } } /********************************************************************//** -Releases the mem pool mutex. */ -UNIV_INTERN +Releases the mem pool mutex if we are not in server shutdown. As +its corresponding mem_pool_mutex_enter() function, use it only +in memory free functions */ +UNIV_INLINE void -mem_pool_mutex_exit(void) -/*=====================*/ +mem_pool_mutex_exit( +/*================*/ + mem_pool_t* pool) /*!< in: memory pool */ { - mutex_exit(&(mem_comm_pool->mutex)); + if (srv_shutdown_state < SRV_SHUTDOWN_EXIT_THREADS) { + mutex_exit(&(pool->mutex)); + } } /********************************************************************//** @@ -572,7 +583,7 @@ mem_area_free( n = ut_2_log(size); - mutex_enter(&(pool->mutex)); + mem_pool_mutex_enter(pool); mem_n_threads_inside++; ut_a(mem_n_threads_inside == 1); @@ -600,7 +611,7 @@ mem_area_free( pool->reserved += ut_2_exp(n); mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); + mem_pool_mutex_exit(pool); mem_area_free(new_ptr, pool); @@ -616,7 +627,7 @@ mem_area_free( } mem_n_threads_inside--; - mutex_exit(&(pool->mutex)); + mem_pool_mutex_exit(pool); ut_ad(mem_pool_validate(pool)); } @@ -635,7 +646,7 @@ mem_pool_validate( ulint free; ulint i; - mutex_enter(&(pool->mutex)); + mem_pool_mutex_enter(pool); free = 0; @@ -663,7 +674,7 @@ mem_pool_validate( ut_a(free + pool->reserved == pool->size); - mutex_exit(&(pool->mutex)); + mem_pool_mutex_exit(pool); return(TRUE); } diff --git a/storage/innobase/srv/srv0start.c b/storage/innobase/srv/srv0start.c index c8512fc27a4..1b96a2f4708 100644 --- a/storage/innobase/srv/srv0start.c +++ b/storage/innobase/srv/srv0start.c @@ -2093,9 +2093,13 @@ innobase_shutdown_for_mysql(void) pars_lexer_close(); log_mem_free(); buf_pool_free(srv_buf_pool_instances); - ut_free_all_mem(); mem_close(); + /* ut_free_all_mem() frees all allocated memory not freed yet + in shutdown, and it will also free the ut_list_mutex, so it + should be the last one for all operation */ + ut_free_all_mem(); + if (os_thread_count != 0 || os_event_count != 0 || os_mutex_count != 0 From c6c1604350bb68cd33125d58dab3cc3f6c963633 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 18 May 2010 16:10:36 +0300 Subject: [PATCH 316/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3468 revision-id: marko.makela@oracle.com-20100518130658-rd00ql7h02ooakh1 parent: marko.makela@oracle.com-20100514131050-mkhlvlui1u52irob committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-05-18 16:06:58 +0300 message: Work around Bug #53750 in innodb_bug48024.test --- mysql-test/suite/innodb/t/innodb_bug48024.test | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mysql-test/suite/innodb/t/innodb_bug48024.test b/mysql-test/suite/innodb/t/innodb_bug48024.test index 00d76beb89d..db828aa1cda 100644 --- a/mysql-test/suite/innodb/t/innodb_bug48024.test +++ b/mysql-test/suite/innodb/t/innodb_bug48024.test @@ -10,6 +10,8 @@ ADD CONSTRAINT FOREIGN KEY(b) REFERENCES bug48024_b(b); DROP TABLE bug48024,bug48024_b; +# Work around Bug #53750 (failure in mysql-test-run --ps-protocol) +-- disable_ps_protocol delimiter |; CREATE TABLE bug48024(a int PRIMARY KEY,b int NOT NULL,KEY(b)) ENGINE=InnoDB; CREATE TABLE bug48024_b(b int PRIMARY KEY) ENGINE=InnoDB; From c1ac191cd0c37193e1ff54b32d91e8fd56a1db18 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 18 May 2010 16:25:06 +0300 Subject: [PATCH 317/400] Silence a valgrind warning caused by zlib: innodb.innodb-zip [ fail ] Found warnings/errors in server log file! Test ended at 2010-05-17 16:41:25 line ==31182== Thread 13: ==31182== Conditional jump or move depends on uninitialised value(s) ==31182== at 0xA9193F: longest_match (deflate.c:1143) ==31182== by 0xA92C19: deflate_slow (deflate.c:1595) ==31182== by 0xA90C6B: deflate (deflate.c:790) ==31182== by 0x928A07: btr_store_big_rec_extern_fields (btr0cur.c:4092) ==31182== by 0x9C9B90: row_ins_index_entry_low (row0ins.c:2119) ==31182== by 0x9C9DFB: row_ins_index_entry (row0ins.c:2167) ==31182== by 0x9CA057: row_ins_index_entry_step (row0ins.c:2252) ==31182== by 0x9CA0FD: row_ins (row0ins.c:2384) ==31182== by 0x9CA760: row_ins_step (row0ins.c:2494) ==31182== by 0x8CBF7E: row_insert_for_mysql (row0mysql.c:1138) ==31182== by 0x8BCF32: ha_innobase::write_row(unsigned char*) (ha_innodb.cc:4929) ==31182== by 0x736E03: handler::ha_write_row(unsigned char*) (handler.cc:4682) ==31182== by 0x5B0EEE: write_record(THD*, TABLE*, st_copy_info*) (sql_insert.cc:1670) ==31182== by 0x5B129D: select_insert::send_data(List&) (sql_insert.cc:3279) ==31182== by 0x5F31ED: end_send(JOIN*, st_join_table*, bool) (sql_select.cc:12428) ==31182== by 0x5F9B9B: evaluate_join_record(JOIN*, st_join_table*, int) (sql_select.cc:11632) --- mysql-test/valgrind.supp | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mysql-test/valgrind.supp b/mysql-test/valgrind.supp index 6b10e4cb544..21dc58e884a 100644 --- a/mysql-test/valgrind.supp +++ b/mysql-test/valgrind.supp @@ -173,6 +173,15 @@ fun:do_flush } +{ + libz longest_match called from InnoDB + Memcheck:Cond + fun:longest_match + fun:deflate_slow + fun:deflate + fun:btr_store_big_rec_extern_fields +} + { libz longest_match2 Memcheck:Cond From b686ebae67440971afb697df030652a317bd4bc9 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 18 May 2010 16:48:10 +0300 Subject: [PATCH 318/400] Silence a valgrind warning caused by zlib: ==31182== Conditional jump or move depends on uninitialised value(s) ==31182== at 0xA9188B: longest_match (deflate.c:1143) ==31182== by 0xA92C19: deflate_slow (deflate.c:1595) ==31182== by 0xA90C6B: deflate (deflate.c:790) ==31182== by 0x9B447B: page_zip_compress (page0zip.c:1342) ==31182== by 0x9A8540: page_cur_insert_rec_zip_reorg (page0cur.c:1174) ==31182== by 0x9A8998: page_cur_insert_rec_zip (page0cur.c:1279) ==31182== by 0x9214F9: page_cur_tuple_insert (page0cur.ic:264) ==31182== by 0x9221A2: btr_cur_optimistic_insert (btr0cur.c:1314) ==31182== by 0x9C99EB: row_ins_index_entry_low (row0ins.c:2087) ==31182== by 0x9C9DFB: row_ins_index_entry (row0ins.c:2167) ==31182== by 0x9CA057: row_ins_index_entry_step (row0ins.c:2252) ==31182== by 0x9CA0FD: row_ins (row0ins.c:2384) ==31182== by 0x9CA760: row_ins_step (row0ins.c:2494) ==31182== by 0x8CBF7E: row_insert_for_mysql (row0mysql.c:1138) ==31182== by 0x8BCF32: ha_innobase::write_row(unsigned char*) (ha_innodb.cc:4929) ==31182== by 0x736E03: handler::ha_write_row(unsigned char*) (handler.cc:4682) --- mysql-test/valgrind.supp | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/mysql-test/valgrind.supp b/mysql-test/valgrind.supp index 21dc58e884a..1643ed4c08f 100644 --- a/mysql-test/valgrind.supp +++ b/mysql-test/valgrind.supp @@ -174,7 +174,7 @@ } { - libz longest_match called from InnoDB + libz longest_match called from btr_store_big_rec_extern_fields Memcheck:Cond fun:longest_match fun:deflate_slow @@ -182,6 +182,15 @@ fun:btr_store_big_rec_extern_fields } +{ + libz longest_match called from page_zip_compress + Memcheck:Cond + fun:longest_match + fun:deflate_slow + fun:deflate + fun:page_zip_compress +} + { libz longest_match2 Memcheck:Cond From 0667657a527b97461532486bad2eb7316c6f63b9 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 18 May 2010 16:52:54 +0300 Subject: [PATCH 319/400] Add more valgrind checks for initialized memory. Author: Marko --- storage/innobase/btr/btr0cur.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/storage/innobase/btr/btr0cur.c b/storage/innobase/btr/btr0cur.c index af64be25e9a..7de0d11421a 100644 --- a/storage/innobase/btr/btr0cur.c +++ b/storage/innobase/btr/btr0cur.c @@ -3993,6 +3993,8 @@ btr_store_big_rec_extern_fields( field_ref += local_len; } extern_len = big_rec_vec->fields[i].len; + UNIV_MEM_ASSERT_RW(big_rec_vec->fields[i].data, + extern_len); ut_a(extern_len > 0); @@ -4629,6 +4631,7 @@ btr_copy_blob_prefix( mtr_commit(&mtr); if (page_no == FIL_NULL || copy_len != part_len) { + UNIV_MEM_ASSERT_RW(buf, copied_len); return(copied_len); } @@ -4812,6 +4815,7 @@ btr_copy_externally_stored_field_prefix_low( space_id, page_no, offset); inflateEnd(&d_stream); mem_heap_free(heap); + UNIV_MEM_ASSERT_RW(buf, d_stream.total_out); return(d_stream.total_out); } else { return(btr_copy_blob_prefix(buf, len, space_id, From 7ac44b5d9ead74fc5da428d3bea943e717a6738e Mon Sep 17 00:00:00 2001 From: Inaam Rana Date: Tue, 18 May 2010 12:53:02 -0400 Subject: [PATCH 320/400] Initialize block->is_hashed to avoid valgrind warning. --- storage/innobase/buf/buf0buf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/storage/innobase/buf/buf0buf.c b/storage/innobase/buf/buf0buf.c index e920bf19882..ae228732270 100644 --- a/storage/innobase/buf/buf0buf.c +++ b/storage/innobase/buf/buf0buf.c @@ -872,6 +872,8 @@ buf_block_init( block->check_index_page_at_flush = FALSE; block->index = NULL; + block->is_hashed = FALSE; + #ifdef UNIV_DEBUG block->page.in_page_hash = FALSE; block->page.in_zip_hash = FALSE; From 86bd3125d7dc0aededc52b689daee2269608d2cb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 19 May 2010 12:36:27 +0300 Subject: [PATCH 321/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3471 revision-id: marko.makela@oracle.com-20100519080152-h3555oqmu3wo95so parent: marko.makela@oracle.com-20100519075843-4gl3uijo6cwjtcf9 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-19 11:01:52 +0300 message: Silence some more bogus Valgrind warnings on non-32-bit systems. (Bug #53307) --- storage/innobase/buf/buf0buddy.c | 5 +++++ storage/innobase/buf/buf0lru.c | 7 ++++++- storage/innobase/page/page0zip.c | 5 +++++ 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/storage/innobase/buf/buf0buddy.c b/storage/innobase/buf/buf0buddy.c index 695aed2d0cb..8fe1780985b 100644 --- a/storage/innobase/buf/buf0buddy.c +++ b/storage/innobase/buf/buf0buddy.c @@ -502,7 +502,12 @@ success: mutex_exit(mutex); } else if (i == buf_buddy_get_slot(sizeof(buf_page_t))) { /* This must be a buf_page_t object. */ +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no padding in + buf_page_t. On other systems, Valgrind could complain + about uninitialized pad bytes. */ UNIV_MEM_ASSERT_RW(src, size); +#endif if (buf_buddy_relocate_block(src, dst)) { goto success; diff --git a/storage/innobase/buf/buf0lru.c b/storage/innobase/buf/buf0lru.c index 9de68e23533..5cff0f51aaa 100644 --- a/storage/innobase/buf/buf0lru.c +++ b/storage/innobase/buf/buf0lru.c @@ -1578,8 +1578,13 @@ alloc: ut_ad(prev_b->in_LRU_list); ut_ad(buf_page_in_file(prev_b)); +#if UNIV_WORD_SIZE == 4 + /* On 32-bit systems, there is no + padding in buf_page_t. On other + systems, Valgrind could complain about + uninitialized pad bytes. */ UNIV_MEM_ASSERT_RW(prev_b, sizeof *prev_b); - +#endif UT_LIST_INSERT_AFTER(LRU, buf_pool->LRU, prev_b, b); diff --git a/storage/innobase/page/page0zip.c b/storage/innobase/page/page0zip.c index d9f61cea335..14ec3e7a94f 100644 --- a/storage/innobase/page/page0zip.c +++ b/storage/innobase/page/page0zip.c @@ -3117,8 +3117,13 @@ page_zip_validate_low( temp_page_zip in a debugger when running valgrind --db-attach. */ VALGRIND_GET_VBITS(page, temp_page, UNIV_PAGE_SIZE); UNIV_MEM_ASSERT_RW(page, UNIV_PAGE_SIZE); +# if UNIV_WORD_SIZE == 4 VALGRIND_GET_VBITS(page_zip, &temp_page_zip, sizeof temp_page_zip); + /* On 32-bit systems, there is no padding in page_zip_des_t. + On other systems, Valgrind could complain about uninitialized + pad bytes. */ UNIV_MEM_ASSERT_RW(page_zip, sizeof *page_zip); +# endif VALGRIND_GET_VBITS(page_zip->data, temp_page, page_zip_get_size(page_zip)); UNIV_MEM_ASSERT_RW(page_zip->data, page_zip_get_size(page_zip)); From b93c394ee238c0e8448f2b5587d60a8a6e0a67a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 19 May 2010 12:37:21 +0300 Subject: [PATCH 322/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3472 revision-id: marko.makela@oracle.com-20100519080743-5myf1g7v6pfysidt parent: marko.makela@oracle.com-20100519080152-h3555oqmu3wo95so committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-05-19 11:07:43 +0300 message: Make UNIV_DEBUG Valgrind friendly. Use | instead of +, and mask out the dont-care bits in debug assertions. --- storage/innobase/include/mach0data.ic | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/storage/innobase/include/mach0data.ic b/storage/innobase/include/mach0data.ic index ef20356bd31..96d2417ac81 100644 --- a/storage/innobase/include/mach0data.ic +++ b/storage/innobase/include/mach0data.ic @@ -36,7 +36,7 @@ mach_write_to_1( ulint n) /*!< in: ulint integer to be stored, >= 0, < 256 */ { ut_ad(b); - ut_ad(n <= 0xFFUL); + ut_ad((n | 0xFFUL) <= 0xFFUL); b[0] = (byte)n; } @@ -65,7 +65,7 @@ mach_write_to_2( ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); - ut_ad(n <= 0xFFFFUL); + ut_ad((n | 0xFFFFUL) <= 0xFFFFUL); b[0] = (byte)(n >> 8); b[1] = (byte)(n); @@ -81,10 +81,7 @@ mach_read_from_2( /*=============*/ const byte* b) /*!< in: pointer to 2 bytes */ { - ut_ad(b); - return( ((ulint)(b[0]) << 8) - + (ulint)(b[1]) - ); + return(((ulint)(b[0]) << 8) | (ulint)(b[1])); } /********************************************************//** @@ -129,7 +126,7 @@ mach_write_to_3( ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); - ut_ad(n <= 0xFFFFFFUL); + ut_ad((n | 0xFFFFFFUL) <= 0xFFFFFFUL); b[0] = (byte)(n >> 16); b[1] = (byte)(n >> 8); @@ -148,8 +145,8 @@ mach_read_from_3( { ut_ad(b); return( ((ulint)(b[0]) << 16) - + ((ulint)(b[1]) << 8) - + (ulint)(b[2]) + | ((ulint)(b[1]) << 8) + | (ulint)(b[2]) ); } @@ -183,9 +180,9 @@ mach_read_from_4( { ut_ad(b); return( ((ulint)(b[0]) << 24) - + ((ulint)(b[1]) << 16) - + ((ulint)(b[2]) << 8) - + (ulint)(b[3]) + | ((ulint)(b[1]) << 16) + | ((ulint)(b[2]) << 8) + | (ulint)(b[3]) ); } @@ -721,7 +718,7 @@ mach_read_from_2_little_endian( /*===========================*/ const byte* buf) /*!< in: from where to read */ { - return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); + return((ulint)(buf[0]) | ((ulint)(buf[1]) << 8)); } /*********************************************************//** From 33e6fc1ffa8342911b2cba5ba97e9af5250ed587 Mon Sep 17 00:00:00 2001 From: Sunny Bains Date: Wed, 19 May 2010 20:19:27 +1000 Subject: [PATCH 323/400] Fix a bug reported by PushBuild on OSX 10.6.3. It turned out to be a compiler bug. The code has been changed to work around it. To reprocude the bug simply revert this change and build the binary with: GCC Using built-in specs. Target: i686-apple-darwin10 Configured with: /var/tmp/gcc/gcc-5659~1/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin10 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1 Thread model: posix gcc version 4.2.1 (Apple Inc. build 5659) export LDFLAGS='-g -arch i386' export CFLAGS='-g -no-cpp-precomp -arch i386 -O2' export CXXFLAGS='-g -no-cpp-precomp -arch i386 -O2' ./configure --enable-thread-safe-client --enable-local-infile --with-pic --with-client-ldflags=-static --with-mysqld-ldflags=-static --with-zlib-dir=bundled --without-ndb-debug --with-big-tables --with-ssl --with-readline --with-embedded-server --with-archive-storage-engine --with-blackhole-storage-engine --with-csv-storage-engine --with-example-storage-engine --with-federated-storage-engine --with-partition --with-extra-charsets=all --with-innodb --with-ndbcluster --with-libevent --target=i386-apple-darwin --program-transform-name= Approved by Marko on IM. --- storage/innobase/row/row0merge.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 1b3293bf62f..1313a5f238b 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -274,6 +274,7 @@ row_merge_buf_add( const dict_index_t* index; dfield_t* entry; dfield_t* field; + const dict_field_t* ifield; if (buf->n_tuples >= buf->max_tuples) { return(FALSE); @@ -292,14 +293,14 @@ row_merge_buf_add( data_size = 0; extra_size = UT_BITS_IN_BYTES(index->n_nullable); - for (i = 0; i < n_fields; i++, field++) { - const dict_field_t* ifield; + ifield = dict_index_get_nth_field(index, 0); + + for (i = 0; i < n_fields; i++, field++, ifield++) { const dict_col_t* col; ulint col_no; const dfield_t* row_field; ulint len; - ifield = dict_index_get_nth_field(index, i); col = ifield->col; col_no = dict_col_get_no(col); row_field = dtuple_get_nth_field(row, col_no); From c09eb2afc39a5ff5bf4269e91da4dcb545a43731 Mon Sep 17 00:00:00 2001 From: Jon Olav Hauglid Date: Wed, 19 May 2010 13:32:21 +0200 Subject: [PATCH 324/400] Bug #53798 OPTIMIZE TABLE breaks repeatable read The problem was that OPTMIZE TABLE was allowed to run on a table in use by a transaction in a different connection. This caused repeatable read to break. This bug was fixed by the introduction of metadata locking, WL#4284. OPTIMIZE TABLE will now be blocked until the transaction using the table, has ended. This patch contains a regression test added to innodb_mysql_lock.test and no code changes. --- mysql-test/r/innodb_mysql_lock.result | 30 +++++++++++++++++++++ mysql-test/t/innodb_mysql_lock.test | 39 +++++++++++++++++++++++++++ 2 files changed, 69 insertions(+) diff --git a/mysql-test/r/innodb_mysql_lock.result b/mysql-test/r/innodb_mysql_lock.result index 375ae8aeb12..95adf712cb4 100644 --- a/mysql-test/r/innodb_mysql_lock.result +++ b/mysql-test/r/innodb_mysql_lock.result @@ -86,3 +86,33 @@ release_lock('bug42147_lock') UNLOCK TABLES; # Connection 1 DROP TABLE t1; +# +# Bug#53798 OPTIMIZE TABLE breaks repeatable read +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (a INT) engine=innodb; +INSERT INTO t1 VALUES (1), (2), (3); +# Connection con1 +START TRANSACTION WITH CONSISTENT SNAPSHOT; +SELECT * FROM t1; +a +1 +2 +3 +# Connection default +# This should block +# Sending: +OPTIMIZE TABLE t1; +# Connection con1 +SELECT * FROM t1; +a +1 +2 +3 +COMMIT; +# Connection default +# Reaping OPTIMIZE TABLE t1 +Table Op Msg_type Msg_text +test.t1 optimize note Table does not support optimize, doing recreate + analyze instead +test.t1 optimize status OK +DROP TABLE t1; diff --git a/mysql-test/t/innodb_mysql_lock.test b/mysql-test/t/innodb_mysql_lock.test index 6469ef2d229..36d09b4c411 100644 --- a/mysql-test/t/innodb_mysql_lock.test +++ b/mysql-test/t/innodb_mysql_lock.test @@ -170,6 +170,45 @@ connection default; disconnect con2; DROP TABLE t1; + +--echo # +--echo # Bug#53798 OPTIMIZE TABLE breaks repeatable read +--echo # + +--disable_warnings +DROP TABLE IF EXISTS t1; +--enable_warnings + +CREATE TABLE t1 (a INT) engine=innodb; +INSERT INTO t1 VALUES (1), (2), (3); + +--echo # Connection con1 +connect (con1, localhost, root); +START TRANSACTION WITH CONSISTENT SNAPSHOT; +SELECT * FROM t1; + +--echo # Connection default +connection default; +--echo # This should block +--echo # Sending: +--send OPTIMIZE TABLE t1 + +--echo # Connection con1 +connection con1; +let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist + WHERE state='Waiting for table' AND info='OPTIMIZE TABLE t1'; +--source include/wait_condition.inc +SELECT * FROM t1; +COMMIT; + +--echo # Connection default +connection default; +--echo # Reaping OPTIMIZE TABLE t1 +--reap +disconnect con1; +DROP TABLE t1; + + # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. --source include/wait_until_count_sessions.inc From 525768ddc9625f23074c7c90d819f768ac9f826a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Thu, 20 May 2010 14:43:06 +0300 Subject: [PATCH 325/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit TO DO: Enable this in CMake-based builds. ------------------------------------------------------------ revno: 3474 revision-id: marko.makela@oracle.com-20100520104042-ma2nsscqdvwoph8k parent: marko.makela@oracle.com-20100519081618-h38q02qxuvcowbtk committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Thu 2010-05-20 13:40:42 +0300 message: Bug#53593: Add some instrumentation to improve Valgrind sensitivity BUILD/*: Add valgrind_configs=--with-valgrind. BUILD/*: Remove -USAFEMALLOC from valgrind_flags. configure.in: Add AC_ARG_WITH(valgrind) and HAVE_VALGRIND. include/my_sys.h: Define a number of MEM_ wrappers for VALGRIND_ functions. include/my_sys.h: Make TRASH do MEM_UNDEFINED(). include/m_string.h: Remove unused macro bzero_if_purify(A,B). _mymalloc(): Declare MEM_UNDEFINED() on the allocated memory. _myfree(): Declare MEM_NOACCESS() on the freed memory. storage/innobase/include/univ.i: Enable UNIV_DEBUG_VALGRIND based on HAVE_VALGRIND rather than HAVE_purify. Possible things to do: * In my_global.h, remove the defined(HAVE_purify) condition from the _WIN32 uint3korr(). * In my_global.h *int*korr(), use | instead of + in order to keep the Valgrind V bits accurate * Consider replacing HAVE_purify with HAVE_VALGRIND * Use VALGRIND_CREATE_BLOCK, VALGRIND_DISCARD in mem_root and similar places --- BUILD/SETUP.sh | 6 +++++- BUILD/build_mccge.sh | 3 ++- BUILD/compile-amd64-valgrind-max | 2 +- BUILD/compile-pentium-icc-valgrind-max | 2 +- BUILD/compile-pentium-valgrind-max | 2 +- BUILD/compile-pentium-valgrind-max-no-ndb | 2 +- BUILD/compile-pentium64-valgrind-max | 2 +- configure.in | 11 +++++++++++ include/m_string.h | 3 --- include/my_sys.h | 17 +++++++++++++++-- mysys/safemalloc.c | 5 +++++ storage/innobase/include/univ.i | 4 ++-- 12 files changed, 45 insertions(+), 14 deletions(-) diff --git a/BUILD/SETUP.sh b/BUILD/SETUP.sh index 3655d3eae67..0bc16f120e5 100755 --- a/BUILD/SETUP.sh +++ b/BUILD/SETUP.sh @@ -119,8 +119,12 @@ fi # Set flags for various build configurations. # Used in -valgrind builds -valgrind_flags="-USAFEMALLOC -UFORCE_INIT_OF_VARS -DHAVE_purify " +# Override -DFORCE_INIT_OF_VARS from debug_cflags. It enables the macro +# LINT_INIT(), which is only useful for silencing spurious warnings +# of static analysis tools. We want LINT_INIT() to be a no-op in Valgrind. +valgrind_flags="-UFORCE_INIT_OF_VARS -DHAVE_purify " valgrind_flags="$valgrind_flags -DMYSQL_SERVER_SUFFIX=-valgrind-max" +valgrind_configs="--with-valgrind" # # Used in -debug builds debug_cflags="-DUNIV_MUST_NOT_INLINE -DEXTRA_DEBUG -DFORCE_INIT_OF_VARS " diff --git a/BUILD/build_mccge.sh b/BUILD/build_mccge.sh index 8ca31b2d119..2d7c0d2a2c2 100755 --- a/BUILD/build_mccge.sh +++ b/BUILD/build_mccge.sh @@ -1010,9 +1010,10 @@ set_ccache_usage() set_valgrind_flags() { if test "x$valgrind_flag" = "xyes" ; then - loc_valgrind_flags="-USAFEMALLOC -UFORCE_INIT_OF_VARS -DHAVE_purify " + loc_valgrind_flags="-UFORCE_INIT_OF_VARS -DHAVE_purify " loc_valgrind_flags="$loc_valgrind_flags -DMYSQL_SERVER_SUFFIX=-valgrind-max" compiler_flags="$compiler_flags $loc_valgrind_flags" + with_flags="$with_flags --with-valgrind" fi } diff --git a/BUILD/compile-amd64-valgrind-max b/BUILD/compile-amd64-valgrind-max index 962d0f17b04..fb8dce38df3 100755 --- a/BUILD/compile-amd64-valgrind-max +++ b/BUILD/compile-amd64-valgrind-max @@ -4,7 +4,7 @@ path=`dirname $0` . "$path/SETUP.sh" extra_flags="$amd64_cflags $debug_cflags $valgrind_flags" -extra_configs="$amd64_configs $debug_configs $max_configs" +extra_configs="$amd64_configs $debug_configs $valgrind_configs $max_configs" . "$path/FINISH.sh" diff --git a/BUILD/compile-pentium-icc-valgrind-max b/BUILD/compile-pentium-icc-valgrind-max index 58acf892f5a..0babf9ee881 100755 --- a/BUILD/compile-pentium-icc-valgrind-max +++ b/BUILD/compile-pentium-icc-valgrind-max @@ -29,6 +29,6 @@ extra_flags="$pentium_cflags $debug_cflags $valgrind_flags" c_warnings="-Wall -Wcheck -wd161,444,279,810,981,1292,1469,1572" cxx_warnings="$c_warnings -wd869,874" base_cxxflags="-fno-exceptions -fno-rtti" -extra_configs="$pentium_configs $debug_configs" +extra_configs="$pentium_configs $debug_configs $valgrind_configs" . "$path/FINISH.sh" diff --git a/BUILD/compile-pentium-valgrind-max b/BUILD/compile-pentium-valgrind-max index 09cc162d2be..8ef47bfbc17 100755 --- a/BUILD/compile-pentium-valgrind-max +++ b/BUILD/compile-pentium-valgrind-max @@ -4,7 +4,7 @@ path=`dirname $0` . "$path/SETUP.sh" extra_flags="$pentium_cflags $debug_cflags $valgrind_flags" -extra_configs="$pentium_configs $debug_configs $max_configs" +extra_configs="$pentium_configs $debug_configs $valgrind_configs $max_configs" . "$path/FINISH.sh" diff --git a/BUILD/compile-pentium-valgrind-max-no-ndb b/BUILD/compile-pentium-valgrind-max-no-ndb index 66f6ae08a7f..f480f83ebf7 100755 --- a/BUILD/compile-pentium-valgrind-max-no-ndb +++ b/BUILD/compile-pentium-valgrind-max-no-ndb @@ -4,7 +4,7 @@ path=`dirname $0` . "$path/SETUP.sh" extra_flags="$pentium_cflags $debug_cflags $valgrind_flags" -extra_configs="$pentium_configs $debug_configs $max_no_ndb_configs" +extra_configs="$pentium_configs $debug_configs $valgrind_configs $max_no_ndb_configs" . "$path/FINISH.sh" diff --git a/BUILD/compile-pentium64-valgrind-max b/BUILD/compile-pentium64-valgrind-max index fa476cbb50a..eb3d20c874d 100755 --- a/BUILD/compile-pentium64-valgrind-max +++ b/BUILD/compile-pentium64-valgrind-max @@ -4,7 +4,7 @@ path=`dirname $0` . "$path/SETUP.sh" extra_flags="$pentium64_cflags $debug_cflags $valgrind_flags" -extra_configs="$pentium_configs $debug_configs $max_configs" +extra_configs="$pentium_configs $debug_configs $valgrind_configs $max_configs" . "$path/FINISH.sh" diff --git a/configure.in b/configure.in index ec74b15efb0..cb9bedde3ce 100644 --- a/configure.in +++ b/configure.in @@ -1844,6 +1844,17 @@ else CXXFLAGS="$OPTIMIZE_CXXFLAGS $CXXFLAGS" fi +AC_ARG_WITH([valgrind], + [AS_HELP_STRING([--with-valgrind], + [Valgrind instrumentation @<:@default=no@:>@])], + [], [with_valgrind=no]) + +if test "$with_valgrind" != "no" +then + AC_CHECK_HEADERS([valgrind/valgrind.h valgrind/memcheck.h], + [AC_DEFINE([HAVE_VALGRIND], [1], [Define for Valgrind support])]) +fi + # Debug Sync Facility. NOTE: depends on 'with_debug'. Must be behind it. AC_MSG_CHECKING(if Debug Sync Facility should be enabled.) AC_ARG_ENABLE(debug_sync, diff --git a/include/m_string.h b/include/m_string.h index 7bd39e7483f..1a2a508edfb 100644 --- a/include/m_string.h +++ b/include/m_string.h @@ -127,9 +127,6 @@ extern size_t bcmp(const uchar *s1,const uchar *s2,size_t len); extern size_t my_bcmp(const uchar *s1,const uchar *s2,size_t len); #undef bcmp #define bcmp(A,B,C) my_bcmp((A),(B),(C)) -#define bzero_if_purify(A,B) bzero(A,B) -#else -#define bzero_if_purify(A,B) #endif /* HAVE_purify */ #ifndef bmove512 diff --git a/include/my_sys.h b/include/my_sys.h index ac10628f943..727ff7c58b4 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -28,6 +28,19 @@ typedef struct my_aio_result { } my_aio_result; #endif +#ifdef HAVE_VALGRIND +# include +# define MEM_UNDEFINED(a,len) VALGRIND_MAKE_MEM_UNDEFINED(a,len) +# define MEM_NOACCESS(a,len) VALGRIND_MAKE_MEM_NOACCESS(a,len) +# define MEM_CHECK_ADDRESSABLE(a,len) VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,len) +# define MEM_CHECK_DEFINED(a,len) VALGRIND_CHECK_MEM_IS_DEFINED(a,len) +#else /* HAVE_VALGRIND */ +# define MEM_UNDEFINED(a,len) ((void) 0) +# define MEM_NOACCESS(a,len) ((void) 0) +# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0) +# define MEM_CHECK_DEFINED(a,len) ((void) 0) +#endif /* HAVE_VALGRIND */ + #ifndef THREAD extern int NEAR my_errno; /* Last error in mysys */ #else @@ -156,7 +169,7 @@ extern int NEAR my_errno; /* Last error in mysys */ #define my_memdup(A,B,C) _my_memdup((A),(B), __FILE__,__LINE__,C) #define my_strdup(A,C) _my_strdup((A), __FILE__,__LINE__,C) #define my_strndup(A,B,C) _my_strndup((A),(B),__FILE__,__LINE__,C) -#define TRASH(A,B) bfill(A, B, 0x8F) +#define TRASH(A,B) do { bfill(A, B, 0x8F); MEM_UNDEFINED(A, B); } while (0) #define QUICK_SAFEMALLOC sf_malloc_quick=1 #define NORMAL_SAFEMALLOC sf_malloc_quick=0 extern uint sf_malloc_prehunc,sf_malloc_endhunc,sf_malloc_quick; @@ -184,7 +197,7 @@ extern char *my_strndup(const char *from, size_t length, #define CALLER_INFO_PROTO /* nothing */ #define CALLER_INFO /* nothing */ #define ORIG_CALLER_INFO /* nothing */ -#define TRASH(A,B) /* nothing */ +#define TRASH(A,B) do{MEM_CHECK_ADDRESSABLE(A,B);MEM_UNDEFINED(A,B);} while (0) #endif #if defined(ENABLED_DEBUG_SYNC) diff --git a/mysys/safemalloc.c b/mysys/safemalloc.c index efe281ba1bb..936248677f5 100644 --- a/mysys/safemalloc.c +++ b/mysys/safemalloc.c @@ -190,9 +190,12 @@ void *_mymalloc(size_t size, const char *filename, uint lineno, myf MyFlags) sf_malloc_count++; mysql_mutex_unlock(&THR_LOCK_malloc); + MEM_CHECK_ADDRESSABLE(data, size); /* Set the memory to the aribtrary wierd value */ if ((MyFlags & MY_ZEROFILL) || !sf_malloc_quick) bfill(data, size, (char) (MyFlags & MY_ZEROFILL ? 0 : ALLOC_VAL)); + if (!(MyFlags & MY_ZEROFILL)) + MEM_UNDEFINED(data, size); /* Return a pointer to the real data */ DBUG_PRINT("exit",("ptr: %p", data)); if (sf_min_adress > data) @@ -309,7 +312,9 @@ void _myfree(void *ptr, const char *filename, uint lineno, myf myflags) if (!sf_malloc_quick) bfill(ptr, irem->datasize, (pchar) FREE_VAL); #endif + MEM_NOACCESS(ptr, irem->datasize); *((uint32*) ((char*) ptr- sizeof(uint32)))= ~MAGICKEY; + MEM_NOACCESS((char*) ptr - sizeof(uint32), sizeof(uint32)); /* Actually free the memory */ free((char*) irem); DBUG_VOID_RETURN; diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index 96faa84c6ff..11cec113fc8 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -182,9 +182,9 @@ command. Not tested on Windows. */ #define UNIV_COMPILE_TEST_FUNCS */ -#ifdef HAVE_purify +#if defined HAVE_VALGRIND # define UNIV_DEBUG_VALGRIND -#endif /* HAVE_purify */ +#endif /* HAVE_VALGRIND */ #if 0 #define UNIV_DEBUG_VALGRIND /* Enable extra Valgrind instrumentation */ From 8344f58aa4991064571ad9d3f23ad0af2bf3bea5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Thu, 20 May 2010 16:16:32 +0300 Subject: [PATCH 326/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3475 revision-id: marko.makela@oracle.com-20100520130734-ueow9mn60czp7o4m parent: marko.makela@oracle.com-20100520104042-ma2nsscqdvwoph8k committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Thu 2010-05-20 16:07:34 +0300 message: buf_LRU_free_block(): Correct an error in the comment. --- storage/innobase/buf/buf0lru.c | 8 ++++---- storage/innobase/include/buf0lru.h | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/storage/innobase/buf/buf0lru.c b/storage/innobase/buf/buf0lru.c index 5cff0f51aaa..a539c4e894b 100644 --- a/storage/innobase/buf/buf0lru.c +++ b/storage/innobase/buf/buf0lru.c @@ -1442,11 +1442,11 @@ buf_LRU_make_block_old( Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. -NOTE: If this function returns BUF_LRU_FREED, it will not temporarily -release buf_pool->mutex. Furthermore, the page frame will no longer be +NOTE: If this function returns BUF_LRU_FREED, it will temporarily +release buf_pool_mutex. Furthermore, the page frame will no longer be accessible via bpage. -The caller must hold buf_pool->mutex and buf_page_get_mutex(bpage) and +The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. @return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or @@ -1460,7 +1460,7 @@ buf_LRU_free_block( compressed page of an uncompressed page */ ibool* buf_pool_mutex_released) /*!< in: pointer to a variable that will - be assigned TRUE if buf_pool->mutex + be assigned TRUE if buf_pool_mutex was temporarily released, or NULL */ { buf_page_t* b = NULL; diff --git a/storage/innobase/include/buf0lru.h b/storage/innobase/include/buf0lru.h index 4fda88ef90c..7bcec633d9c 100644 --- a/storage/innobase/include/buf0lru.h +++ b/storage/innobase/include/buf0lru.h @@ -97,7 +97,7 @@ buf_LRU_insert_zip_clean( Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. -NOTE: If this function returns BUF_LRU_FREED, it will not temporarily +NOTE: If this function returns BUF_LRU_FREED, it will temporarily release buf_pool->mutex. Furthermore, the page frame will no longer be accessible via bpage. From 6ceacd4fb94f84faeb6d637d068cea2722a016c1 Mon Sep 17 00:00:00 2001 From: Dmitry Lenev Date: Fri, 21 May 2010 16:41:24 +0400 Subject: [PATCH 327/400] Follow-up for the fix for bug #46947 "Embedded SELECT without FOR UPDATE is causing a lock". This patch tries to address problems which were exposed during backporting of original patch to 5.1 tree. - It ensures that we don't change locking behavior of simple SELECT statements on InnoDB tables when they are executed under LOCK TABLES ... READ and with @@innodb_table_locks=0. Also we no longer pass TL_READ_DEFAULT/TL_WRITE_DEFAULT lock types, which are supposed to be parser-only, to handler::start_stmt() method. - It makes check_/no_concurrent_insert.inc auxiliary scripts more robust against changes in test cases that use them and also ensures that they don't unnecessarily change environment of caller. --- .../include/check_concurrent_insert.inc | 6 ++ .../include/check_no_concurrent_insert.inc | 6 ++ mysql-test/r/innodb-lock.result | 33 ++++++++- mysql-test/t/innodb-lock.test | 27 +++++++- sql/sql_base.cc | 67 +++++++++++++------ 5 files changed, 113 insertions(+), 26 deletions(-) diff --git a/mysql-test/include/check_concurrent_insert.inc b/mysql-test/include/check_concurrent_insert.inc index 7a7ef7de786..6a9ada65562 100644 --- a/mysql-test/include/check_concurrent_insert.inc +++ b/mysql-test/include/check_concurrent_insert.inc @@ -20,6 +20,9 @@ --disable_result_log --disable_query_log +# Reset DEBUG_SYNC facility for safety. +set debug_sync= "RESET"; + if (`SELECT '$restore_table' <> ''`) { --eval create table t_backup select * from $restore_table; @@ -86,5 +89,8 @@ if (`SELECT '$restore_table' <> ''`) drop table t_backup; } +# Clean-up. Reset DEBUG_SYNC facility after use. +set debug_sync= "RESET"; + --enable_result_log --enable_query_log diff --git a/mysql-test/include/check_no_concurrent_insert.inc b/mysql-test/include/check_no_concurrent_insert.inc index 856e1eca4ac..278ffeffb1e 100644 --- a/mysql-test/include/check_no_concurrent_insert.inc +++ b/mysql-test/include/check_no_concurrent_insert.inc @@ -20,6 +20,9 @@ --disable_result_log --disable_query_log +# Reset DEBUG_SYNC facility for safety. +set debug_sync= "RESET"; + if (`SELECT '$restore_table' <> ''`) { --eval create table t_backup select * from $restore_table; @@ -71,5 +74,8 @@ if (`SELECT '$restore_table' <> ''`) drop table t_backup; } +# Clean-up. Reset DEBUG_SYNC facility after use. +set debug_sync= "RESET"; + --enable_result_log --enable_query_log diff --git a/mysql-test/r/innodb-lock.result b/mysql-test/r/innodb-lock.result index ab7e9aa7b25..41f308788a2 100644 --- a/mysql-test/r/innodb-lock.result +++ b/mysql-test/r/innodb-lock.result @@ -27,9 +27,10 @@ commit; drop table t1; # # Old lock method (where LOCK TABLE was ignored by InnoDB) no longer -# works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary -# deadlock" and bug #37346 "innodb does not detect deadlock between -# update and alter table". +# works when LOCK TABLE ... WRITE is used due to fix for bugs #46272 +# "MySQL 5.4.4, new MDL: unnecessary and bug #37346 "innodb does not +# detect deadlock between update and alter table". But it still works +# for LOCK TABLE ... READ. # set @@innodb_table_locks=0; create table t1 (id integer primary key, x integer) engine=INNODB; @@ -61,4 +62,30 @@ commit; # Reap LOCK TABLE. unlock tables; # Connection 'con1'. +select * from t1 where id = 0 for update; +id x +0 1 +# Connection 'con2'. +# The below statement should not be blocked as LOCK TABLES ... READ +# does not take strong SQL-level lock on t1. SELECTs which do not +# conflict with transaction in the first connections should not be +# blocked. +lock table t1 read; +select * from t1; +id x +0 1 +1 1 +2 2 +select * from t1 where id = 1 lock in share mode; +id x +1 1 +unlock tables; +select * from t1; +id x +0 1 +1 1 +2 2 +commit; +# Connection 'con1'. +commit; drop table t1; diff --git a/mysql-test/t/innodb-lock.test b/mysql-test/t/innodb-lock.test index d2f630ccaba..05df3615822 100644 --- a/mysql-test/t/innodb-lock.test +++ b/mysql-test/t/innodb-lock.test @@ -58,9 +58,10 @@ drop table t1; --echo # --echo # Old lock method (where LOCK TABLE was ignored by InnoDB) no longer ---echo # works due to fix for bugs #46272 "MySQL 5.4.4, new MDL: unnecessary ---echo # deadlock" and bug #37346 "innodb does not detect deadlock between ---echo # update and alter table". +--echo # works when LOCK TABLE ... WRITE is used due to fix for bugs #46272 +--echo # "MySQL 5.4.4, new MDL: unnecessary and bug #37346 "innodb does not +--echo # detect deadlock between update and alter table". But it still works +--echo # for LOCK TABLE ... READ. --echo # set @@innodb_table_locks=0; @@ -102,6 +103,26 @@ unlock tables; --echo # Connection 'con1'. connection con1; + +select * from t1 where id = 0 for update; + +--echo # Connection 'con2'. +connection con2; +--echo # The below statement should not be blocked as LOCK TABLES ... READ +--echo # does not take strong SQL-level lock on t1. SELECTs which do not +--echo # conflict with transaction in the first connections should not be +--echo # blocked. +lock table t1 read; +select * from t1; +select * from t1 where id = 1 lock in share mode; +unlock tables; +select * from t1; +commit; + +--echo # Connection 'con1'. +connection con1; +commit; + drop table t1; # End of 4.1 tests diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 82c12c68b56..28633365e28 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -3985,19 +3985,32 @@ recover_from_failed_open(THD *thd, MDL_request *mdl_request, replication as the table on the slave might contain other data (ie: general_log is enabled on the slave). The statement will be marked as unsafe for SBR in decide_logging_format(). + @remark Note that even in prelocked mode it is important to correctly + determine lock type value. In this mode lock type is passed to + handler::start_stmt() method and can be used by storage engine, + for example, to determine what kind of row locks it should acquire + when reading data from the table. */ thr_lock_type read_lock_type_for_table(THD *thd, Query_tables_list *prelocking_ctx, TABLE_LIST *table_list) { - bool log_on= mysql_bin_log.is_open() && (thd->variables.option_bits & OPTION_BIN_LOG); + /* + In cases when this function is called for a sub-statement executed in + prelocked mode we can't rely on OPTION_BIN_LOG flag in THD::options + bitmap to determine that binary logging is turned on as this bit can + be cleared before executing sub-statement. So instead we have to look + at THD::sql_log_bin_toplevel member. + */ + bool log_on= mysql_bin_log.is_open() && thd->sql_log_bin_toplevel; ulong binlog_format= thd->variables.binlog_format; if ((log_on == FALSE) || (binlog_format == BINLOG_FORMAT_ROW) || (table_list->table->s->table_category == TABLE_CATEGORY_LOG) || (table_list->table->s->table_category == TABLE_CATEGORY_PERFORMANCE) || !(is_update_query(prelocking_ctx->sql_command) || - table_list->prelocking_placeholder)) + table_list->prelocking_placeholder || + (thd->locked_tables_mode > LTM_LOCK_TABLES))) return TL_READ; else return TL_READ_NO_INSERT; @@ -5001,35 +5014,49 @@ handle_view(THD *thd, Query_tables_list *prelocking_ctx, } -/* +/** Check that lock is ok for tables; Call start stmt if ok - SYNOPSIS - check_lock_and_start_stmt() - thd Thread handle - table_list Table to check - lock_type Lock used for table + @param thd Thread handle. + @param prelocking_ctx Prelocking context. + @param table_list Table list element for table to be checked. - RETURN VALUES - 0 ok - 1 error + @retval FALSE - Ok. + @retval TRUE - Error. */ -static bool check_lock_and_start_stmt(THD *thd, TABLE *table, - thr_lock_type lock_type) +static bool check_lock_and_start_stmt(THD *thd, + Query_tables_list *prelocking_ctx, + TABLE_LIST *table_list) { int error; + thr_lock_type lock_type; DBUG_ENTER("check_lock_and_start_stmt"); + /* + TL_WRITE_DEFAULT and TL_READ_DEFAULT are supposed to be parser only + types of locks so they should be converted to appropriate other types + to be passed to storage engine. The exact lock type passed to the + engine is important as, for example, InnoDB uses it to determine + what kind of row locks should be acquired when executing statement + in prelocked mode or under LOCK TABLES with @@innodb_table_locks = 0. + */ + if (table_list->lock_type == TL_WRITE_DEFAULT) + lock_type= thd->update_lock_default; + else if (table_list->lock_type == TL_READ_DEFAULT) + lock_type= read_lock_type_for_table(thd, prelocking_ctx, table_list); + else + lock_type= table_list->lock_type; + if ((int) lock_type >= (int) TL_WRITE_ALLOW_READ && - (int) table->reginfo.lock_type < (int) TL_WRITE_ALLOW_READ) + (int) table_list->table->reginfo.lock_type < (int) TL_WRITE_ALLOW_READ) { - my_error(ER_TABLE_NOT_LOCKED_FOR_WRITE, MYF(0),table->alias); + my_error(ER_TABLE_NOT_LOCKED_FOR_WRITE, MYF(0), table_list->alias); DBUG_RETURN(1); } - if ((error=table->file->start_stmt(thd, lock_type))) + if ((error= table_list->table->file->start_stmt(thd, lock_type))) { - table->file->print_error(error,MYF(0)); + table_list->table->file->print_error(error, MYF(0)); DBUG_RETURN(1); } DBUG_RETURN(0); @@ -5174,7 +5201,7 @@ TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type lock_type, table->grant= table_list->grant; if (thd->locked_tables_mode) { - if (check_lock_and_start_stmt(thd, table, lock_type)) + if (check_lock_and_start_stmt(thd, thd->lex, table_list)) table= 0; } else @@ -5402,7 +5429,7 @@ bool lock_tables(THD *thd, TABLE_LIST *tables, uint count, if (!table->placeholder()) { table->table->query_id= thd->query_id; - if (check_lock_and_start_stmt(thd, table->table, table->lock_type)) + if (check_lock_and_start_stmt(thd, thd->lex, table)) { mysql_unlock_tables(thd, thd->lock); thd->lock= 0; @@ -5456,7 +5483,7 @@ bool lock_tables(THD *thd, TABLE_LIST *tables, uint count, } } - if (check_lock_and_start_stmt(thd, table->table, table->lock_type)) + if (check_lock_and_start_stmt(thd, thd->lex, table)) { DBUG_RETURN(TRUE); } From 75e552d50910e88debeca2fa18cc6d9a18da1843 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Fri, 21 May 2010 17:17:01 +0400 Subject: [PATCH 328/400] Fix for Bug#52923 (Inadequate documentation of "Can't get hostname for your address" error). The thing is that on some platforms (e.g. Mac OS X) sockaddr_in / sockaddr_in6 contain a non-standard field (sin_len / sin6_len), that must be set. The problem was that only standard fields were set, thus getnameinfo() returned EAI_SYSTEM instead of EAI_NONAME. The fix is to introduce configure-time checks (for GNU auto-tools and CMake) for those additional fields and to set them if they are available. --- config.h.cmake | 2 ++ configure.cmake | 15 ++++++++++++ configure.in | 61 +++++++++++++++++++++++++++++++++++++++++++++++++ vio/viosocket.c | 14 +++++++++--- 4 files changed, 89 insertions(+), 3 deletions(-) diff --git a/config.h.cmake b/config.h.cmake index b3b234a153b..c6c049814ba 100644 --- a/config.h.cmake +++ b/config.h.cmake @@ -282,6 +282,8 @@ #cmakedefine HAVE_NETINET_IN6_H 1 #cmakedefine HAVE_IPV6 1 #cmakedefine ss_family @ss_family@ +#cmakedefine HAVE_SOCKADDR_IN_SIN_LEN 1 +#cmakedefine HAVE_SOCKADDR_IN6_SIN6_LEN 1 #cmakedefine HAVE_TIMESPEC_TS_SEC 1 #cmakedefine STRUCT_DIRENT_HAS_D_INO 1 #cmakedefine STRUCT_DIRENT_HAS_D_NAMLEN 1 diff --git a/configure.cmake b/configure.cmake index 94d2cfd5804..df71a96ee47 100644 --- a/configure.cmake +++ b/configure.cmake @@ -1000,6 +1000,21 @@ IF(NOT HAVE_SOCKADDR_STORAGE_SS_FAMILY) SET(ss_family __ss_family) ENDIF() ENDIF() + +# +# Check if struct sockaddr_in::sin_len is available. +# + +CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in" sin_len + "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKADDR_IN_SIN_LEN) + +# +# Check if struct sockaddr_in6::sin6_len is available. +# + +CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin6_len + "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKADDR_IN6_SIN6_LEN) + SET(CMAKE_EXTRA_INCLUDE_FILES) CHECK_STRUCT_HAS_MEMBER("struct dirent" d_ino "dirent.h" STRUCT_DIRENT_HAS_D_INO) diff --git a/configure.in b/configure.in index ec74b15efb0..7b84dbe9631 100644 --- a/configure.in +++ b/configure.in @@ -1012,6 +1012,66 @@ else AC_MSG_RESULT([yes]) fi +#-------------------------------------------------------------------------- +# Check if struct sockaddr_in::sin_len is available +#-------------------------------------------------------------------------- + +AC_CACHE_CHECK( + [if sockaddr_in::sin_len is available], + mysql_cv_have_sockaddr_in_sin_len, + AC_TRY_COMPILE( + [ + #ifdef WIN32 + #include + #else + #include + #include + #include + #endif + ], + [unsigned int i = sizeof(((struct sockaddr_in *) 0)->sin_len)], + mysql_cv_have_sockaddr_in_sin_len=yes, + mysql_cv_have_sockaddr_in_sin_len=no)) + +if test "$mysql_cv_have_sockaddr_in_sin_len" = "yes"; then + AC_DEFINE( + [HAVE_SOCKADDR_IN_SIN_LEN], + [1], + [If sockaddr_in::sin_len is available]) +fi + +#-------------------------------------------------------------------------- +# Check if struct sockaddr_in6::sin6_len is available +#-------------------------------------------------------------------------- + +AC_CACHE_CHECK( + [if sockaddr_in6::sin6_len is available], + mysql_cv_have_sockaddr_in6_sin6_len, + AC_TRY_COMPILE( + [ + #ifdef WIN32 + #include + #else + #include + #include + #include + #endif + + #ifdef HAVE_NETINET_IN6_H + #include + #endif + ], + [unsigned int i = sizeof(((struct sockaddr_in6 *) 0)->sin6_len)], + mysql_cv_have_sockaddr_in6_sin6_len=yes, + mysql_cv_have_sockaddr_in6_sin6_len=no)) + +if test "$mysql_cv_have_sockaddr_in_sin6_len" = "yes"; then + AC_DEFINE( + [HAVE_SOCKADDR_IN6_SIN6_LEN], + [1], + [If sockaddr_in6::sin6_len is available]) +fi + #-------------------------------------------------------------------- # Check for TCP wrapper support #-------------------------------------------------------------------- @@ -3121,6 +3181,7 @@ esac AC_SUBST([RDTSC_SPARC_ASSEMBLY]) + #-------------------------------------------------------------------- # Output results #-------------------------------------------------------------------- diff --git a/vio/viosocket.c b/vio/viosocket.c index 6c361e4a462..9c0243db4f3 100644 --- a/vio/viosocket.c +++ b/vio/viosocket.c @@ -1057,9 +1057,11 @@ ssize_t vio_pending(Vio *vio) /** This is a wrapper for the system getnameinfo(), because different OS - differ in the getnameinfo() implementation. For instance, Solaris 10 - requires that the 2nd argument (salen) must match the actual size of the - struct sockaddr_storage passed to it. + differ in the getnameinfo() implementation: + - Solaris 10 requires that the 2nd argument (salen) must match the + actual size of the struct sockaddr_storage passed to it; + - Mac OS X has sockaddr_in::sin_len and sockaddr_in6::sin6_len and + requires them to be filled. */ int vio_getnameinfo(const struct sockaddr *sa, @@ -1072,11 +1074,17 @@ int vio_getnameinfo(const struct sockaddr *sa, switch (sa->sa_family) { case AF_INET: sa_length= sizeof (struct sockaddr_in); +#ifdef HAVE_SOCKADDR_IN_SIN_LEN + ((struct sockaddr_in *) sa)->sin_len= sa_length; +#endif /* HAVE_SOCKADDR_IN_SIN_LEN */ break; #ifdef HAVE_IPV6 case AF_INET6: sa_length= sizeof (struct sockaddr_in6); +# ifdef HAVE_SOCKADDR_IN6_SIN6_LEN + ((struct sockaddr_in6 *) sa)->sin6_len= sa_length; +# endif /* HAVE_SOCKADDR_IN6_SIN6_LEN */ break; #endif /* HAVE_IPV6 */ } From dfec05be05a1925e31d397b68da6d702178e4a53 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Fri, 21 May 2010 17:36:59 +0400 Subject: [PATCH 329/400] Backporting a test case for Bug#30036 (SHOW TABLE TYPES causes the debug client to crash) from mysql-6.0-codebase. --- mysql-test/r/show_check.result | 1 + mysql-test/t/show_check.test | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/mysql-test/r/show_check.result b/mysql-test/r/show_check.result index 9ba1a0446dd..ef2277fef38 100644 --- a/mysql-test/r/show_check.result +++ b/mysql-test/r/show_check.result @@ -1436,6 +1436,7 @@ DROP PROCEDURE p1; DROP FUNCTION f1; DROP TABLE t1; DROP EVENT ev1; +SHOW STORAGE ENGINES; CREATE USER test_u@localhost; GRANT PROCESS ON *.* TO test_u@localhost; SHOW ENGINE MYISAM MUTEX; diff --git a/mysql-test/t/show_check.test b/mysql-test/t/show_check.test index ce75d02a1cc..fa003c2fe69 100644 --- a/mysql-test/t/show_check.test +++ b/mysql-test/t/show_check.test @@ -1169,6 +1169,14 @@ DROP FUNCTION f1; DROP TABLE t1; DROP EVENT ev1; +# +# Bug#30036 SHOW TABLE TYPES causes the debug client to crash +# +--disable_result_log +SHOW STORAGE ENGINES; +--enable_result_log + + # # Bug#32710 SHOW INNODB STATUS requires SUPER # From 198a0ae9ae4bf3c7fc059242e7e2b67af6c9d18b Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 21 May 2010 20:53:37 +0300 Subject: [PATCH 330/400] Fix comment on row_merge_write() --- storage/innobase/row/row0merge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 1313a5f238b..8c23a5d8f91 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -728,7 +728,7 @@ row_merge_read( } /********************************************************************//** -Read a merge block from the file system. +Write a merge block to the file system. @return TRUE if request was successful, FALSE if fail */ static ibool From b22407dadcf264ff46da78d372605c2c3408cc0f Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 21 May 2010 20:56:47 +0300 Subject: [PATCH 331/400] Move os_file_write() before posix_fadvise(POSIX_FADV_DONTNEED). It is wrong to tell the OS that a block is not going to be accessed and write to it immediately afterwards. --- storage/innobase/row/row0merge.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 8c23a5d8f91..0e03ea3e178 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -740,6 +740,12 @@ row_merge_write( { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof(row_merge_block_t); + ibool ret; + + ret = os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, + (ulint) (ofs & 0xFFFFFFFF), + (ulint) (ofs >> 32), + sizeof(row_merge_block_t)); #ifdef UNIV_DEBUG if (row_merge_print_block_write) { @@ -754,10 +760,7 @@ row_merge_write( posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); #endif /* POSIX_FADV_DONTNEED */ - return(UNIV_LIKELY(os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, - (ulint) (ofs & 0xFFFFFFFF), - (ulint) (ofs >> 32), - sizeof(row_merge_block_t)))); + return(UNIV_LIKELY(ret)); } /********************************************************************//** From df1a56253f6f3d000d89262e70934481dadca808 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Fri, 21 May 2010 21:09:51 +0300 Subject: [PATCH 332/400] Use the correct len instead of sizeof(void) in posix_fadvise() Also explain in the comment the units of the "offset" parameter --- storage/innobase/row/row0merge.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/storage/innobase/row/row0merge.c b/storage/innobase/row/row0merge.c index 0e03ea3e178..d9084bb4ffd 100644 --- a/storage/innobase/row/row0merge.c +++ b/storage/innobase/row/row0merge.c @@ -696,7 +696,9 @@ ibool row_merge_read( /*===========*/ int fd, /*!< in: file descriptor */ - ulint offset, /*!< in: offset where to read */ + ulint offset, /*!< in: offset where to read + in number of row_merge_block_t + elements */ row_merge_block_t* buf) /*!< out: data */ { ib_uint64_t ofs = ((ib_uint64_t) offset) * sizeof *buf; @@ -735,17 +737,18 @@ ibool row_merge_write( /*============*/ int fd, /*!< in: file descriptor */ - ulint offset, /*!< in: offset where to write */ + ulint offset, /*!< in: offset where to write, + in number of row_merge_block_t elements */ const void* buf) /*!< in: data */ { - ib_uint64_t ofs = ((ib_uint64_t) offset) - * sizeof(row_merge_block_t); + size_t buf_len = sizeof(row_merge_block_t); + ib_uint64_t ofs = buf_len * (ib_uint64_t) offset; ibool ret; ret = os_file_write("(merge)", OS_FILE_FROM_FD(fd), buf, (ulint) (ofs & 0xFFFFFFFF), (ulint) (ofs >> 32), - sizeof(row_merge_block_t)); + buf_len); #ifdef UNIV_DEBUG if (row_merge_print_block_write) { @@ -757,7 +760,7 @@ row_merge_write( #ifdef POSIX_FADV_DONTNEED /* The block will be needed on the next merge pass, but it can be evicted from the file cache meanwhile. */ - posix_fadvise(fd, ofs, sizeof *buf, POSIX_FADV_DONTNEED); + posix_fadvise(fd, ofs, buf_len, POSIX_FADV_DONTNEED); #endif /* POSIX_FADV_DONTNEED */ return(UNIV_LIKELY(ret)); From dde975afb9fc95f2b3d603a3995157c9e744a5df Mon Sep 17 00:00:00 2001 From: Calvin Sun Date: Fri, 21 May 2010 16:30:09 -0500 Subject: [PATCH 333/400] mysql-trunk-innodb: fix compile errors on Windows with UNIV_DEBUG defined. --- storage/innobase/buf/buf0flu.c | 6 ++++-- storage/innobase/sync/sync0rw.c | 7 +++++-- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/storage/innobase/buf/buf0flu.c b/storage/innobase/buf/buf0flu.c index 19f3ecba930..046f1ed51e8 100644 --- a/storage/innobase/buf/buf0flu.c +++ b/storage/innobase/buf/buf0flu.c @@ -1037,12 +1037,14 @@ buf_flush_write_block_low( /*======================*/ buf_page_t* bpage) /*!< in: buffer block to write */ { + ulint zip_size = buf_page_get_zip_size(bpage); + page_t* frame = NULL; + #ifdef UNIV_DEBUG buf_pool_t* buf_pool = buf_pool_from_bpage(bpage); ut_ad(!buf_pool_mutex_own(buf_pool)); #endif - ulint zip_size = buf_page_get_zip_size(bpage); - page_t* frame = NULL; + #ifdef UNIV_LOG_DEBUG static ibool univ_log_debug_warned; #endif /* UNIV_LOG_DEBUG */ diff --git a/storage/innobase/sync/sync0rw.c b/storage/innobase/sync/sync0rw.c index c05c823ff61..0ff2920f4f8 100644 --- a/storage/innobase/sync/sync0rw.c +++ b/storage/innobase/sync/sync0rw.c @@ -350,10 +350,13 @@ rw_lock_validate( /*=============*/ rw_lock_t* lock) /*!< in: rw-lock */ { + ulint waiters; + lint lock_word; + ut_a(lock); - ulint waiters = rw_lock_get_waiters(lock); - lint lock_word = lock->lock_word; + waiters = rw_lock_get_waiters(lock); + lock_word = lock->lock_word; ut_a(lock->magic_n == RW_LOCK_MAGIC_N); ut_a(waiters == 0 || waiters == 1); From 9c6b7b19d18b5bfce6c96da60e8d6b28455bd91d Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Sun, 23 May 2010 23:11:31 +0300 Subject: [PATCH 334/400] Fix function decoration in Performance Schema code --- storage/innobase/include/sync0sync.ic | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/include/sync0sync.ic b/storage/innobase/include/sync0sync.ic index fdd70ad052f..7b9760ba45a 100644 --- a/storage/innobase/include/sync0sync.ic +++ b/storage/innobase/include/sync0sync.ic @@ -354,7 +354,7 @@ schema probes when freeing the mutex */ UNIV_INLINE void pfs_mutex_free_func( -/*===================*/ +/*================*/ mutex_t* mutex) /*!< in: mutex */ { if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { From 42eff81005a02487a661ad46b34316410251df2e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Mon, 24 May 2010 14:45:24 +0300 Subject: [PATCH 335/400] =?UTF-8?q?Merge=20a=20change=20from=20mysql-5.1-i?= =?UTF-8?q?nnodb:=20------------------------------------------------------?= =?UTF-8?q?------=20revno:=203479=20revision-id:=20marko.makela@oracle.com?= =?UTF-8?q?-20100524110439-fazi70rlmt07tzd9=20parent:=20vasil.dimov@oracle?= =?UTF-8?q?.com-20100520133157-42uk5q3pp0vsinac=20committer:=20Marko=20M?= =?UTF-8?q?=C3=A4kel=C3=A4=20=20branch=20nick:=20?= =?UTF-8?q?5.1-innodb=20timestamp:=20Mon=202010-05-24=2014:04:39=20+0300?= =?UTF-8?q?=20message:=20=20=20Bug#53578:=20assert=20on=20invalid=20page?= =?UTF-8?q?=20access,=20in=20fil=5Fio()?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Store the max_space_id in the data dictionary header in order to avoid space_id reuse. DICT_HDR_MIX_ID: Renamed to DICT_HDR_MAX_SPACE_ID, DICT_HDR_MIX_ID_LOW. dict_hdr_get_new_id(): Return table_id, index_id, space_id or a subset of them. fil_system_t: Add ibool space_id_reuse_warned. fil_create_new_single_table_tablespace(): Get the space_id from the caller. fil_space_create(): Issue a warning if the fil_system->max_assigned_id is exceeded. fil_assign_new_space_id(): Return TRUE/FALSE and take a pointer to the space_id as a parameter. Make the function public. fil_init(): Initialize all fil_system fields by mem_zalloc(). Remove explicit initializations of certain fields to 0 or NULL. --- storage/innobase/dict/dict0boot.c | 46 +++++++---- storage/innobase/dict/dict0crea.c | 14 ++-- storage/innobase/fil/fil0fil.c | 117 ++++++++++++++------------- storage/innobase/include/dict0boot.h | 12 +-- storage/innobase/include/fil0fil.h | 14 +++- storage/innobase/row/row0mysql.c | 11 +-- 6 files changed, 124 insertions(+), 90 deletions(-) diff --git a/storage/innobase/dict/dict0boot.c b/storage/innobase/dict/dict0boot.c index 45d57b8c619..e63c1dc94b9 100644 --- a/storage/innobase/dict/dict0boot.c +++ b/storage/innobase/dict/dict0boot.c @@ -62,32 +62,47 @@ dict_hdr_get( } /**********************************************************************//** -Returns a new table, index, or tree id. -@return the new id */ +Returns a new table, index, or space id. */ UNIV_INTERN -dulint +void dict_hdr_get_new_id( /*================*/ - ulint type) /*!< in: DICT_HDR_ROW_ID, ... */ + dulint* table_id, /*!< out: table id (not assigned if NULL) */ + dulint* index_id, /*!< out: index id (not assigned if NULL) */ + ulint* space_id) /*!< out: space id (not assigned if NULL) */ { dict_hdr_t* dict_hdr; dulint id; mtr_t mtr; - ut_ad((type == DICT_HDR_TABLE_ID) || (type == DICT_HDR_INDEX_ID)); - mtr_start(&mtr); dict_hdr = dict_hdr_get(&mtr); - id = mtr_read_dulint(dict_hdr + type, &mtr); - id = ut_dulint_add(id, 1); + if (table_id) { + id = mtr_read_dulint(dict_hdr + DICT_HDR_TABLE_ID, &mtr); + id = ut_dulint_add(id, 1); + mlog_write_dulint(dict_hdr + DICT_HDR_TABLE_ID, id, &mtr); + *table_id = id; + } - mlog_write_dulint(dict_hdr + type, id, &mtr); + if (index_id) { + id = mtr_read_dulint(dict_hdr + DICT_HDR_INDEX_ID, &mtr); + id = ut_dulint_add(id, 1); + mlog_write_dulint(dict_hdr + DICT_HDR_INDEX_ID, id, &mtr); + *index_id = id; + } + + if (space_id) { + *space_id = mtr_read_ulint(dict_hdr + DICT_HDR_MAX_SPACE_ID, + MLOG_4BYTES, &mtr); + if (fil_assign_new_space_id(space_id)) { + mlog_write_ulint(dict_hdr + DICT_HDR_MAX_SPACE_ID, + *space_id, MLOG_4BYTES, &mtr); + } + } mtr_commit(&mtr); - - return(id); } /**********************************************************************//** @@ -151,9 +166,12 @@ dict_hdr_create( mlog_write_dulint(dict_header + DICT_HDR_INDEX_ID, ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - /* Obsolete, but we must initialize it to 0 anyway. */ - mlog_write_dulint(dict_header + DICT_HDR_MIX_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); + mlog_write_ulint(dict_header + DICT_HDR_MAX_SPACE_ID, + 0, MLOG_4BYTES, mtr); + + /* Obsolete, but we must initialize it anyway. */ + mlog_write_ulint(dict_header + DICT_HDR_MIX_ID_LOW, + DICT_HDR_FIRST_ID, MLOG_4BYTES, mtr); /* Create the B-tree roots for the clustered indexes of the basic system tables */ diff --git a/storage/innobase/dict/dict0crea.c b/storage/innobase/dict/dict0crea.c index 653bff4bef6..f185371bfca 100644 --- a/storage/innobase/dict/dict0crea.c +++ b/storage/innobase/dict/dict0crea.c @@ -239,16 +239,22 @@ dict_build_table_def_step( const char* path_or_name; ibool is_path; mtr_t mtr; + ulint space = 0; ut_ad(mutex_own(&(dict_sys->mutex))); table = node->table; - table->id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + dict_hdr_get_new_id(&table->id, NULL, + srv_file_per_table ? &space : NULL); thr_get_trx(thr)->table_id = table->id; if (srv_file_per_table) { + if (UNIV_UNLIKELY(space == ULINT_UNDEFINED)) { + return(DB_ERROR); + } + /* We create a new single-table tablespace for the table. We initially let it be 4 pages: - page 0 is the fsp header and an extent descriptor page, @@ -257,8 +263,6 @@ dict_build_table_def_step( - page 3 will contain the root of the clustered index of the table we create here. */ - ulint space = 0; /* reset to zero for the call below */ - if (table->dir_path_of_temp_table) { /* We place tables created with CREATE TEMPORARY TABLE in the tmp dir of mysqld server */ @@ -276,7 +280,7 @@ dict_build_table_def_step( flags = table->flags & ~(~0 << DICT_TF_BITS); error = fil_create_new_single_table_tablespace( - &space, path_or_name, is_path, + space, path_or_name, is_path, flags == DICT_TF_COMPACT ? 0 : flags, FIL_IBD_FILE_INITIAL_SIZE); table->space = (unsigned int) space; @@ -561,7 +565,7 @@ dict_build_index_def_step( ut_ad((UT_LIST_GET_LEN(table->indexes) > 0) || dict_index_is_clust(index)); - index->id = dict_hdr_get_new_id(DICT_HDR_INDEX_ID); + dict_hdr_get_new_id(NULL, &index->id, NULL); /* Inherit the space id from the table; we store all indexes of a table in the same tablespace */ diff --git a/storage/innobase/fil/fil0fil.c b/storage/innobase/fil/fil0fil.c index 9064710d062..ce788ed0bfc 100644 --- a/storage/innobase/fil/fil0fil.c +++ b/storage/innobase/fil/fil0fil.c @@ -289,6 +289,10 @@ struct fil_system_struct { request */ UT_LIST_BASE_NODE_T(fil_space_t) space_list; /*!< list of all file spaces */ + ibool space_id_reuse_warned; + /* !< TRUE if fil_space_create() + has issued a warning about + potential space_id reuse */ }; /** The tablespace memory cache. This variable is NULL before the module is @@ -1210,7 +1214,19 @@ try_again: space->tablespace_version = fil_system->tablespace_version; space->mark = FALSE; - if (purpose == FIL_TABLESPACE && id > fil_system->max_assigned_id) { + if (UNIV_LIKELY(purpose == FIL_TABLESPACE) + && UNIV_UNLIKELY(id > fil_system->max_assigned_id)) { + if (!fil_system->space_id_reuse_warned) { + fil_system->space_id_reuse_warned = TRUE; + + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Warning: allocated tablespace %lu," + " old maximum was %lu\n", + (ulong) id, + (ulong) fil_system->max_assigned_id); + } + fil_system->max_assigned_id = id; } @@ -1248,19 +1264,25 @@ try_again: Assigns a new space id for a new single-table tablespace. This works simply by incrementing the global counter. If 4 billion id's is not enough, we may need to recycle id's. -@return new tablespace id; ULINT_UNDEFINED if could not assign an id */ -static -ulint -fil_assign_new_space_id(void) -/*=========================*/ +@return TRUE if assigned, FALSE if not */ +UNIV_INTERN +ibool +fil_assign_new_space_id( +/*====================*/ + ulint* space_id) /*!< in/out: space id */ { - ulint id; + ulint id; + ibool success; mutex_enter(&fil_system->mutex); - fil_system->max_assigned_id++; + id = *space_id; - id = fil_system->max_assigned_id; + if (id < fil_system->max_assigned_id) { + id = fil_system->max_assigned_id; + } + + id++; if (id > (SRV_LOG_SPACE_FIRST_ID / 2) && (id % 1000000UL == 0)) { ut_print_timestamp(stderr); @@ -1276,7 +1298,11 @@ fil_assign_new_space_id(void) (ulong) SRV_LOG_SPACE_FIRST_ID); } - if (id >= SRV_LOG_SPACE_FIRST_ID) { + success = (id < SRV_LOG_SPACE_FIRST_ID); + + if (success) { + *space_id = fil_system->max_assigned_id = id; + } else { ut_print_timestamp(stderr); fprintf(stderr, "InnoDB: You have run out of single-table" @@ -1286,14 +1312,12 @@ fil_assign_new_space_id(void) " have to dump all your tables and\n" "InnoDB: recreate the whole InnoDB installation.\n", (ulong) id); - fil_system->max_assigned_id--; - - id = ULINT_UNDEFINED; + *space_id = ULINT_UNDEFINED; } mutex_exit(&fil_system->mutex); - return(id); + return(success); } /*******************************************************************//** @@ -1529,7 +1553,7 @@ fil_init( ut_a(hash_size > 0); ut_a(max_n_open > 0); - fil_system = mem_alloc(sizeof(fil_system_t)); + fil_system = mem_zalloc(sizeof(fil_system_t)); mutex_create(fil_system_mutex_key, &fil_system->mutex, SYNC_ANY_LATCH); @@ -1539,16 +1563,7 @@ fil_init( UT_LIST_INIT(fil_system->LRU); - fil_system->n_open = 0; fil_system->max_n_open = max_n_open; - - fil_system->modification_counter = 0; - fil_system->max_assigned_id = 0; - - fil_system->tablespace_version = 0; - - UT_LIST_INIT(fil_system->unflushed_spaces); - UT_LIST_INIT(fil_system->space_list); } /*******************************************************************//** @@ -2133,7 +2148,7 @@ fil_op_log_parse_or_replay( fil_create_directory_for_tablename(name); if (fil_create_new_single_table_tablespace( - &space_id, name, FALSE, flags, + space_id, name, FALSE, flags, FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { ut_error; } @@ -2580,9 +2595,7 @@ UNIV_INTERN ulint fil_create_new_single_table_tablespace( /*===================================*/ - ulint* space_id, /*!< in/out: space id; if this is != 0, - then this is an input parameter, - otherwise output */ + ulint space_id, /*!< in: space id */ const char* tablename, /*!< in: the table name in the usual databasename/tablename format of InnoDB, or a dir path to a temp @@ -2602,6 +2615,8 @@ fil_create_new_single_table_tablespace( ibool success; char* path; + ut_a(space_id > 0); + ut_a(space_id < SRV_LOG_SPACE_FIRST_ID); ut_a(size >= FIL_IBD_FILE_INITIAL_SIZE); /* The tablespace flags (FSP_SPACE_FLAGS) should be 0 for ROW_FORMAT=COMPACT @@ -2659,38 +2674,21 @@ fil_create_new_single_table_tablespace( return(DB_ERROR); } - buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); - /* Align the memory for file i/o if we might have O_DIRECT set */ - page = ut_align(buf2, UNIV_PAGE_SIZE); - ret = os_file_set_size(path, file, size * UNIV_PAGE_SIZE, 0); if (!ret) { - ut_free(buf2); - os_file_close(file); - os_file_delete(path); - - mem_free(path); - return(DB_OUT_OF_FILE_SPACE); - } - - if (*space_id == 0) { - *space_id = fil_assign_new_space_id(); - } - - /* printf("Creating tablespace %s id %lu\n", path, *space_id); */ - - if (*space_id == ULINT_UNDEFINED) { - ut_free(buf2); + err = DB_OUT_OF_FILE_SPACE; error_exit: os_file_close(file); error_exit2: os_file_delete(path); mem_free(path); - return(DB_ERROR); + return(err); } + /* printf("Creating tablespace %s id %lu\n", path, space_id); */ + /* We have to write the space id to the file immediately and flush the file to disk. This is because in crash recovery we must be aware what tablespaces exist and what are their space id's, so that we can apply @@ -2700,10 +2698,14 @@ error_exit2: with zeros from the call of os_file_set_size(), until a buffer pool flush would write to it. */ + buf2 = ut_malloc(3 * UNIV_PAGE_SIZE); + /* Align the memory for file i/o if we might have O_DIRECT set */ + page = ut_align(buf2, UNIV_PAGE_SIZE); + memset(page, '\0', UNIV_PAGE_SIZE); - fsp_header_init_fields(page, *space_id, flags); - mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, *space_id); + fsp_header_init_fields(page, space_id, flags); + mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, space_id); if (!(flags & DICT_TF_ZSSIZE_MASK)) { buf_flush_init_for_writing(page, NULL, 0); @@ -2734,6 +2736,7 @@ error_exit2: " to tablespace ", stderr); ut_print_filename(stderr, path); putc('\n', stderr); + err = DB_ERROR; goto error_exit; } @@ -2743,22 +2746,20 @@ error_exit2: fputs("InnoDB: Error: file flush of tablespace ", stderr); ut_print_filename(stderr, path); fputs(" failed\n", stderr); + err = DB_ERROR; goto error_exit; } os_file_close(file); - if (*space_id == ULINT_UNDEFINED) { - goto error_exit2; - } - - success = fil_space_create(path, *space_id, flags, FIL_TABLESPACE); + success = fil_space_create(path, space_id, flags, FIL_TABLESPACE); if (!success) { + err = DB_ERROR; goto error_exit2; } - fil_node_create(path, size, *space_id, FALSE); + fil_node_create(path, size, space_id, FALSE); #ifndef UNIV_HOTBACKUP { @@ -2769,7 +2770,7 @@ error_exit2: fil_op_write_log(flags ? MLOG_FILE_CREATE2 : MLOG_FILE_CREATE, - *space_id, + space_id, is_temp ? MLOG_FILE_FLAG_TEMP : 0, flags, tablename, NULL, &mtr); diff --git a/storage/innobase/include/dict0boot.h b/storage/innobase/include/dict0boot.h index 1a13bd1503a..148b5cbe250 100644 --- a/storage/innobase/include/dict0boot.h +++ b/storage/innobase/include/dict0boot.h @@ -46,13 +46,14 @@ dict_hdr_get( /*=========*/ mtr_t* mtr); /*!< in: mtr */ /**********************************************************************//** -Returns a new row, table, index, or tree id. -@return the new id */ +Returns a new table, index, or space id. */ UNIV_INTERN -dulint +void dict_hdr_get_new_id( /*================*/ - ulint type); /*!< in: DICT_HDR_ROW_ID, ... */ + dulint* table_id, /*!< out: table id (not assigned if NULL) */ + dulint* index_id, /*!< out: index id (not assigned if NULL) */ + ulint* space_id); /*!< out: space id (not assigned if NULL) */ /**********************************************************************//** Returns a new row id. @return the new id */ @@ -119,7 +120,8 @@ dict_create(void); #define DICT_HDR_ROW_ID 0 /* The latest assigned row id */ #define DICT_HDR_TABLE_ID 8 /* The latest assigned table id */ #define DICT_HDR_INDEX_ID 16 /* The latest assigned index id */ -#define DICT_HDR_MIX_ID 24 /* Obsolete, always 0. */ +#define DICT_HDR_MAX_SPACE_ID 24 /* The latest assigned space id, or 0*/ +#define DICT_HDR_MIX_ID_LOW 28 /* Obsolete,always DICT_HDR_FIRST_ID */ #define DICT_HDR_TABLES 32 /* Root of the table index tree */ #define DICT_HDR_TABLE_IDS 36 /* Root of the table index tree */ #define DICT_HDR_COLUMNS 40 /* Root of the column index tree */ diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h index 36660d9845b..067b8898599 100644 --- a/storage/innobase/include/fil0fil.h +++ b/storage/innobase/include/fil0fil.h @@ -225,6 +225,16 @@ fil_space_create( 0 for uncompressed tablespaces */ ulint purpose);/*!< in: FIL_TABLESPACE, or FIL_LOG if log */ /*******************************************************************//** +Assigns a new space id for a new single-table tablespace. This works simply by +incrementing the global counter. If 4 billion id's is not enough, we may need +to recycle id's. +@return TRUE if assigned, FALSE if not */ +UNIV_INTERN +ibool +fil_assign_new_space_id( +/*====================*/ + ulint* space_id); /*!< in/out: space id */ +/*******************************************************************//** Returns the size of the space in pages. The tablespace must be cached in the memory cache. @return space size, 0 if space not found */ @@ -427,9 +437,7 @@ UNIV_INTERN ulint fil_create_new_single_table_tablespace( /*===================================*/ - ulint* space_id, /*!< in/out: space id; if this is != 0, - then this is an input parameter, - otherwise output */ + ulint space_id, /*!< in: space id */ const char* tablename, /*!< in: the table name in the usual databasename/tablename format of InnoDB, or a dir path to a temp diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index 9592de88346..a98dd8d2900 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -2427,7 +2427,7 @@ row_discard_tablespace_for_mysql( goto funct_exit; } - new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + dict_hdr_get_new_id(&new_id, NULL, NULL); /* Remove all locks except the table-level S and X locks. */ lock_remove_all_on_table(table, FALSE); @@ -2789,10 +2789,11 @@ row_truncate_table_for_mysql( dict_index_t* index; - space = 0; + dict_hdr_get_new_id(NULL, NULL, &space); - if (fil_create_new_single_table_tablespace( - &space, table->name, FALSE, flags, + if (space == ULINT_UNDEFINED + || fil_create_new_single_table_tablespace( + space, table->name, FALSE, flags, FIL_IBD_FILE_INITIAL_SIZE) != DB_SUCCESS) { ut_print_timestamp(stderr); fprintf(stderr, @@ -2897,7 +2898,7 @@ next_rec: mem_heap_free(heap); - new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID); + dict_hdr_get_new_id(&new_id, NULL, NULL); info = pars_info_create(); From 9f42efeb781d7785a13497aaaec3c168be90ccfe Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 24 May 2010 21:22:09 +0300 Subject: [PATCH 336/400] Disable the tests on embedded windows that fail due to Bug #53947 InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324 This changeset should be reverted once the bug is fixed. --- mysql-test/suite/innodb/t/innodb.test | 6 ++++++ mysql-test/suite/sys_vars/t/identity_func.test | 6 ++++++ .../suite/sys_vars/t/innodb_autoinc_lock_mode_func.test | 6 ++++++ mysql-test/suite/sys_vars/t/last_insert_id_func.test | 6 ++++++ mysql-test/suite/sys_vars/t/storage_engine_basic.test | 6 ++++++ mysql-test/suite/sys_vars/t/tx_isolation_func.test | 6 ++++++ mysql-test/t/bug46760.test | 6 ++++++ mysql-test/t/innodb_autoinc_lock_mode_zero.test | 6 ++++++ mysql-test/t/innodb_bug30919.test | 7 +++++++ mysql-test/t/lock_tables_lost_commit.test | 6 ++++++ 10 files changed, 61 insertions(+) diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index f15d9747ee4..dacbc53b8a1 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -15,6 +15,12 @@ -- source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + let $MYSQLD_DATADIR= `select @@datadir`; # Save the original values of some variables in order to be able to diff --git a/mysql-test/suite/sys_vars/t/identity_func.test b/mysql-test/suite/sys_vars/t/identity_func.test index ff93607a2cd..95791063151 100644 --- a/mysql-test/suite/sys_vars/t/identity_func.test +++ b/mysql-test/suite/sys_vars/t/identity_func.test @@ -21,6 +21,12 @@ --source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --disable_warnings drop table if exists t1; drop table if exists t2; diff --git a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test index 89c1c80a6dc..a2f6d865888 100644 --- a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test +++ b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test @@ -26,6 +26,12 @@ ################################################################ --source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SET global innodb_autoinc_lock_mode = 1; diff --git a/mysql-test/suite/sys_vars/t/last_insert_id_func.test b/mysql-test/suite/sys_vars/t/last_insert_id_func.test index 2309c539bd9..05ed6fe2f45 100644 --- a/mysql-test/suite/sys_vars/t/last_insert_id_func.test +++ b/mysql-test/suite/sys_vars/t/last_insert_id_func.test @@ -21,6 +21,12 @@ --source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --disable_warnings drop table if exists t1; --enable_warnings diff --git a/mysql-test/suite/sys_vars/t/storage_engine_basic.test b/mysql-test/suite/sys_vars/t/storage_engine_basic.test index e62390cb384..28ca9c0e046 100644 --- a/mysql-test/suite/sys_vars/t/storage_engine_basic.test +++ b/mysql-test/suite/sys_vars/t/storage_engine_basic.test @@ -18,6 +18,12 @@ --source include/have_innodb.inc --source include/load_sysvars.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + ###################################################################### # START OF storage_engine TESTS # ###################################################################### diff --git a/mysql-test/suite/sys_vars/t/tx_isolation_func.test b/mysql-test/suite/sys_vars/t/tx_isolation_func.test index 7072de6b086..6f5eacea36c 100644 --- a/mysql-test/suite/sys_vars/t/tx_isolation_func.test +++ b/mysql-test/suite/sys_vars/t/tx_isolation_func.test @@ -21,6 +21,12 @@ --source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --echo ** Setup ** # # Setup diff --git a/mysql-test/t/bug46760.test b/mysql-test/t/bug46760.test index f55edbbfa42..13112672a66 100644 --- a/mysql-test/t/bug46760.test +++ b/mysql-test/t/bug46760.test @@ -1,5 +1,11 @@ -- source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --echo # --echo # Bug#46760: Fast ALTER TABLE no longer works for InnoDB --echo # diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero.test b/mysql-test/t/innodb_autoinc_lock_mode_zero.test index 96f748673c0..97053aaacba 100644 --- a/mysql-test/t/innodb_autoinc_lock_mode_zero.test +++ b/mysql-test/t/innodb_autoinc_lock_mode_zero.test @@ -3,6 +3,12 @@ -- source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --disable_warnings drop table if exists t1; --enable_warnings diff --git a/mysql-test/t/innodb_bug30919.test b/mysql-test/t/innodb_bug30919.test index 56b2c7bc03d..42d84c47dfd 100644 --- a/mysql-test/t/innodb_bug30919.test +++ b/mysql-test/t/innodb_bug30919.test @@ -1,5 +1,12 @@ --source include/have_innodb.inc --source include/have_partition.inc + +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + --vertical_results let $engine_type= 'innodb'; diff --git a/mysql-test/t/lock_tables_lost_commit.test b/mysql-test/t/lock_tables_lost_commit.test index 754c8f3c378..88f082b1783 100644 --- a/mysql-test/t/lock_tables_lost_commit.test +++ b/mysql-test/t/lock_tables_lost_commit.test @@ -2,6 +2,12 @@ --source include/have_innodb.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed +--source include/not_windows_embedded.inc + # Save the initial number of concurrent sessions --source include/count_sessions.inc From 080a0aaba9049e4ccd719394d6d1b43516cc84a2 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 24 May 2010 21:27:25 +0300 Subject: [PATCH 337/400] Merge a changeset from mysql-5.1-innodb: ------------------------------------------------------------ revno: 3477 revision-id: vasil.dimov@oracle.com-20100520132735-a120y85kqmhp7hxi parent: vasil.dimov@oracle.com-20100520125403-3u9ydcfu8vz8spls committer: Vasil Dimov branch nick: mysql-5.1-innodb timestamp: Thu 2010-05-20 16:27:35 +0300 message: Disable main.ps_3innodb for valgrind tests since it results in known failures, that are described in Bug#38999 valgrind warnings for update statement in function compare_record() At the time I am adding this the failures are: main.ps_3innodb [ fail ] Found warnings/errors in server log file! Test ended at 2010-05-20 01:17:34 line ==31559== Thread 11: ==31559== Conditional jump or move depends on uninitialised value(s) ==31559== at 0x75C5BD: compare_record(st_table*) (sql_update.cc:35) ==31559== by 0x744732: write_record(THD*, st_table*, st_copy_info*) (sql_insert.cc:1486) ==31559== by 0x74A0D7: mysql_insert(THD*, TABLE_LIST*, List&, List >&, List&, List&, enum_duplicates, bool) (sql_insert.cc:835) ==31559== by 0x6A79B4: mysql_execute_command(THD*) (sql_parse.cc:3198) ==31559== by 0x754998: Prepared_statement::execute(String*, bool) (sql_prepare.cc:3583) ==31559== by 0x754C4F: Prepared_statement::execute_loop(String*, bool, unsigned char*, unsigned char*) (sql_prepare.cc:3258) ==31559== by 0x754F33: mysql_sql_stmt_execute(THD*) (sql_prepare.cc:2529) ==31559== by 0x6A5028: mysql_execute_command(THD*) (sql_parse.cc:2272) ==31559== by 0x6ADAE8: mysql_parse(THD*, char const*, unsigned, char const**) (sql_parse.cc:5986) ==31559== by 0x6AF3A4: dispatch_command(enum_server_command, THD*, char*, unsigned) (sql_parse.cc:1233) ==31559== by 0x6B0800: do_command(THD*) (sql_parse.cc:874) ==31559== by 0x69CB46: handle_one_connection (sql_connect.cc:1134) ==31559== by 0x33EDA062F6: start_thread (in /lib64/libpthread-2.5.so) ==31559== by 0x33ECED1B6C: clone (in /lib64/libc-2.5.so) ==31559== Conditional jump or move depends on uninitialised value(s) ==31559== at 0x75C5D0: compare_record(st_table*) (sql_update.cc:35) ==31559== by 0x744732: write_record(THD*, st_table*, st_copy_info*) (sql_insert.cc:1486) ==31559== by 0x74A0D7: mysql_insert(THD*, TABLE_LIST*, List&, List >&, List&, List&, enum_duplicates, bool) (sql_insert.cc:835) ==31559== by 0x6A79B4: mysql_execute_command(THD*) (sql_parse.cc:3198) ==31559== by 0x754998: Prepared_statement::execute(String*, bool) (sql_prepare.cc:3583) ==31559== by 0x754C4F: Prepared_statement::execute_loop(String*, bool, unsigned char*, unsigned char*) (sql_prepare.cc:3258) ==31559== by 0x754F33: mysql_sql_stmt_execute(THD*) (sql_prepare.cc:2529) ==31559== by 0x6A5028: mysql_execute_command(THD*) (sql_parse.cc:2272) ==31559== by 0x6ADAE8: mysql_parse(THD*, char const*, unsigned, char const**) (sql_parse.cc:5986) ==31559== by 0x6AF3A4: dispatch_command(enum_server_command, THD*, char*, unsigned) (sql_parse.cc:1233) ==31559== by 0x6B0800: do_command(THD*) (sql_parse.cc:874) ==31559== by 0x69CB46: handle_one_connection (sql_connect.cc:1134) ==31559== by 0x33EDA062F6: start_thread (in /lib64/libpthread-2.5.so) ==31559== by 0x33ECED1B6C: clone (in /lib64/libc-2.5.so) ^ Found warnings in /export/home4/pb2/test/sb_3-1827397-1274300957.87/mysql-5.1.48-linux-x86_64-test/mysql-test/var-n_mix/log/mysqld.1.err --- mysql-test/t/ps_3innodb.test | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mysql-test/t/ps_3innodb.test b/mysql-test/t/ps_3innodb.test index e25a8b1f469..10d2e7a9ae5 100644 --- a/mysql-test/t/ps_3innodb.test +++ b/mysql-test/t/ps_3innodb.test @@ -8,6 +8,10 @@ # NOTE: PLEASE SEE ps_1general.test (bottom) # BEFORE ADDING NEW TEST CASES HERE !!! +# See Bug#38999 valgrind warnings for update statement in function +# compare_record() +-- source include/not_valgrind.inc + use test; -- source include/have_innodb.inc From c44ff0495450ffd86d51dd256578300236d5c448 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 25 May 2010 10:29:36 +0300 Subject: [PATCH 338/400] Revert a changeset since it does not disable the tests: ------------------------------------------------------------ revno: 3116 revision-id: vasil.dimov@oracle.com-20100524182209-sk114oipf1vhjbv5 parent: vasil.dimov@oracle.com-20100524175802-twmwb29vvaehe6b8 committer: Vasil Dimov branch nick: mysql-trunk-innodb timestamp: Mon 2010-05-24 21:22:09 +0300 message: Disable the tests on embedded windows that fail due to Bug #53947 InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324 This changeset should be reverted once the bug is fixed. --- mysql-test/suite/innodb/t/innodb.test | 6 ------ mysql-test/suite/sys_vars/t/identity_func.test | 6 ------ .../suite/sys_vars/t/innodb_autoinc_lock_mode_func.test | 6 ------ mysql-test/suite/sys_vars/t/last_insert_id_func.test | 6 ------ mysql-test/suite/sys_vars/t/storage_engine_basic.test | 6 ------ mysql-test/suite/sys_vars/t/tx_isolation_func.test | 6 ------ mysql-test/t/bug46760.test | 6 ------ mysql-test/t/innodb_autoinc_lock_mode_zero.test | 6 ------ mysql-test/t/innodb_bug30919.test | 7 ------- mysql-test/t/lock_tables_lost_commit.test | 6 ------ 10 files changed, 61 deletions(-) diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index dacbc53b8a1..f15d9747ee4 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -15,12 +15,6 @@ -- source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - let $MYSQLD_DATADIR= `select @@datadir`; # Save the original values of some variables in order to be able to diff --git a/mysql-test/suite/sys_vars/t/identity_func.test b/mysql-test/suite/sys_vars/t/identity_func.test index 95791063151..ff93607a2cd 100644 --- a/mysql-test/suite/sys_vars/t/identity_func.test +++ b/mysql-test/suite/sys_vars/t/identity_func.test @@ -21,12 +21,6 @@ --source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --disable_warnings drop table if exists t1; drop table if exists t2; diff --git a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test index a2f6d865888..89c1c80a6dc 100644 --- a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test +++ b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test @@ -26,12 +26,6 @@ ################################################################ --source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SET global innodb_autoinc_lock_mode = 1; diff --git a/mysql-test/suite/sys_vars/t/last_insert_id_func.test b/mysql-test/suite/sys_vars/t/last_insert_id_func.test index 05ed6fe2f45..2309c539bd9 100644 --- a/mysql-test/suite/sys_vars/t/last_insert_id_func.test +++ b/mysql-test/suite/sys_vars/t/last_insert_id_func.test @@ -21,12 +21,6 @@ --source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --disable_warnings drop table if exists t1; --enable_warnings diff --git a/mysql-test/suite/sys_vars/t/storage_engine_basic.test b/mysql-test/suite/sys_vars/t/storage_engine_basic.test index 28ca9c0e046..e62390cb384 100644 --- a/mysql-test/suite/sys_vars/t/storage_engine_basic.test +++ b/mysql-test/suite/sys_vars/t/storage_engine_basic.test @@ -18,12 +18,6 @@ --source include/have_innodb.inc --source include/load_sysvars.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - ###################################################################### # START OF storage_engine TESTS # ###################################################################### diff --git a/mysql-test/suite/sys_vars/t/tx_isolation_func.test b/mysql-test/suite/sys_vars/t/tx_isolation_func.test index 6f5eacea36c..7072de6b086 100644 --- a/mysql-test/suite/sys_vars/t/tx_isolation_func.test +++ b/mysql-test/suite/sys_vars/t/tx_isolation_func.test @@ -21,12 +21,6 @@ --source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --echo ** Setup ** # # Setup diff --git a/mysql-test/t/bug46760.test b/mysql-test/t/bug46760.test index 13112672a66..f55edbbfa42 100644 --- a/mysql-test/t/bug46760.test +++ b/mysql-test/t/bug46760.test @@ -1,11 +1,5 @@ -- source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --echo # --echo # Bug#46760: Fast ALTER TABLE no longer works for InnoDB --echo # diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero.test b/mysql-test/t/innodb_autoinc_lock_mode_zero.test index 97053aaacba..96f748673c0 100644 --- a/mysql-test/t/innodb_autoinc_lock_mode_zero.test +++ b/mysql-test/t/innodb_autoinc_lock_mode_zero.test @@ -3,12 +3,6 @@ -- source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --disable_warnings drop table if exists t1; --enable_warnings diff --git a/mysql-test/t/innodb_bug30919.test b/mysql-test/t/innodb_bug30919.test index 42d84c47dfd..56b2c7bc03d 100644 --- a/mysql-test/t/innodb_bug30919.test +++ b/mysql-test/t/innodb_bug30919.test @@ -1,12 +1,5 @@ --source include/have_innodb.inc --source include/have_partition.inc - -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - --vertical_results let $engine_type= 'innodb'; diff --git a/mysql-test/t/lock_tables_lost_commit.test b/mysql-test/t/lock_tables_lost_commit.test index 88f082b1783..754c8f3c378 100644 --- a/mysql-test/t/lock_tables_lost_commit.test +++ b/mysql-test/t/lock_tables_lost_commit.test @@ -2,12 +2,6 @@ --source include/have_innodb.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed ---source include/not_windows_embedded.inc - # Save the initial number of concurrent sessions --source include/count_sessions.inc From 7d50be10d2d5f9cff913b386ac0f1473971b993e Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Tue, 25 May 2010 10:36:06 +0300 Subject: [PATCH 339/400] (second attempt) Disable the tests on embedded windows that fail due to Bug #53947 InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324 This changeset should be reverted once the bug is fixed. --- mysql-test/suite/innodb/t/innodb.test | 6 ++++++ mysql-test/suite/sys_vars/t/identity_func.test | 6 ++++++ .../suite/sys_vars/t/innodb_autoinc_lock_mode_func.test | 6 ++++++ mysql-test/suite/sys_vars/t/last_insert_id_func.test | 6 ++++++ mysql-test/suite/sys_vars/t/storage_engine_basic.test | 6 ++++++ mysql-test/suite/sys_vars/t/tx_isolation_func.test | 6 ++++++ mysql-test/t/bug46760.test | 6 ++++++ mysql-test/t/innodb_autoinc_lock_mode_zero.test | 6 ++++++ mysql-test/t/innodb_bug30919.test | 6 ++++++ mysql-test/t/lock_tables_lost_commit.test | 6 ++++++ 10 files changed, 60 insertions(+) diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test index f15d9747ee4..a283cd26ccb 100644 --- a/mysql-test/suite/innodb/t/innodb.test +++ b/mysql-test/suite/innodb/t/innodb.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + ####################################################################### # # # Please, DO NOT TOUCH this file as well as the innodb.result file. # diff --git a/mysql-test/suite/sys_vars/t/identity_func.test b/mysql-test/suite/sys_vars/t/identity_func.test index ff93607a2cd..6f7b6bac18e 100644 --- a/mysql-test/suite/sys_vars/t/identity_func.test +++ b/mysql-test/suite/sys_vars/t/identity_func.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + #################### mysql-test\t\identity_func.test ########################## # # # Variable Name: identity # diff --git a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test index 89c1c80a6dc..082507efd07 100644 --- a/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test +++ b/mysql-test/suite/sys_vars/t/innodb_autoinc_lock_mode_func.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + ################# mysql-test\t\innodb_autoinc_lock_mode_func.test ############ # # # Variable Name: innodb_autoinc_lock_mode # diff --git a/mysql-test/suite/sys_vars/t/last_insert_id_func.test b/mysql-test/suite/sys_vars/t/last_insert_id_func.test index 2309c539bd9..bb3adbc1c64 100644 --- a/mysql-test/suite/sys_vars/t/last_insert_id_func.test +++ b/mysql-test/suite/sys_vars/t/last_insert_id_func.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + ################# mysql-test\t\last_insert_id_func.test ####################### # # # Variable Name: last_insert_id # diff --git a/mysql-test/suite/sys_vars/t/storage_engine_basic.test b/mysql-test/suite/sys_vars/t/storage_engine_basic.test index e62390cb384..7ec071e6414 100644 --- a/mysql-test/suite/sys_vars/t/storage_engine_basic.test +++ b/mysql-test/suite/sys_vars/t/storage_engine_basic.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + ############## mysql-test\t\storage_engine_basic.test ################## # # # # diff --git a/mysql-test/suite/sys_vars/t/tx_isolation_func.test b/mysql-test/suite/sys_vars/t/tx_isolation_func.test index 7072de6b086..3a78d46e527 100644 --- a/mysql-test/suite/sys_vars/t/tx_isolation_func.test +++ b/mysql-test/suite/sys_vars/t/tx_isolation_func.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + ############# mysql-test\t\tx_isolation_func.test ####################################### # # # Variable Name: tx_isolation # diff --git a/mysql-test/t/bug46760.test b/mysql-test/t/bug46760.test index f55edbbfa42..32b0dd3c715 100644 --- a/mysql-test/t/bug46760.test +++ b/mysql-test/t/bug46760.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + -- source include/have_innodb.inc --echo # diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero.test b/mysql-test/t/innodb_autoinc_lock_mode_zero.test index 96f748673c0..2a9c69b9876 100644 --- a/mysql-test/t/innodb_autoinc_lock_mode_zero.test +++ b/mysql-test/t/innodb_autoinc_lock_mode_zero.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + # This test runs with old-style locking, as: # --innodb-autoinc-lock-mode=0 diff --git a/mysql-test/t/innodb_bug30919.test b/mysql-test/t/innodb_bug30919.test index 56b2c7bc03d..2b09a76b1df 100644 --- a/mysql-test/t/innodb_bug30919.test +++ b/mysql-test/t/innodb_bug30919.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + --source include/have_innodb.inc --source include/have_partition.inc --vertical_results diff --git a/mysql-test/t/lock_tables_lost_commit.test b/mysql-test/t/lock_tables_lost_commit.test index 754c8f3c378..f7ce6df87cf 100644 --- a/mysql-test/t/lock_tables_lost_commit.test +++ b/mysql-test/t/lock_tables_lost_commit.test @@ -1,3 +1,9 @@ +--source include/not_windows_embedded.inc +# remove this when +# Bug#53947 InnoDB: Assertion failure in thread 4224 in file +# .\sync\sync0sync.c line 324 +# is fixed + # Test for Bug#578 mysqlimport -l silently fails when binlog-ignore-db is set --source include/have_innodb.inc From 39d97652970c1c823aee014b4ca4bf785c7aeeb0 Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Tue, 25 May 2010 11:34:36 +0200 Subject: [PATCH 340/400] post push fix --- mysql-test/suite/perfschema/r/dml_setup_instruments.result | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/perfschema/r/dml_setup_instruments.result b/mysql-test/suite/perfschema/r/dml_setup_instruments.result index 448aaa7400f..73dc1178a54 100644 --- a/mysql-test/suite/perfschema/r/dml_setup_instruments.result +++ b/mysql-test/suite/perfschema/r/dml_setup_instruments.result @@ -8,12 +8,12 @@ wait/synch/mutex/sql/Cversion_lock YES YES wait/synch/mutex/sql/Delayed_insert::mutex YES YES wait/synch/mutex/sql/Event_scheduler::LOCK_scheduler_state YES YES wait/synch/mutex/sql/hash_filo::lock YES YES +wait/synch/mutex/sql/HA_DATA_PARTITION::LOCK_auto_inc YES YES wait/synch/mutex/sql/LOCK_active_mi YES YES wait/synch/mutex/sql/LOCK_audit_mask YES YES wait/synch/mutex/sql/LOCK_connection_count YES YES wait/synch/mutex/sql/LOCK_crypt YES YES wait/synch/mutex/sql/LOCK_delayed_create YES YES -wait/synch/mutex/sql/LOCK_delayed_insert YES YES select * from performance_schema.SETUP_INSTRUMENTS where name like 'Wait/Synch/Rwlock/sql/%' and name not in ('wait/synch/rwlock/sql/CRYPTO_dynlock_value::lock') From 6ed71b7d1ed00fb3d433b4cab2ba1fdf22426642 Mon Sep 17 00:00:00 2001 From: Jonathan Perkin Date: Tue, 25 May 2010 14:37:35 +0100 Subject: [PATCH 341/400] Pull in time.h for localtime_r. --- plugin/daemon_example/daemon_example.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/plugin/daemon_example/daemon_example.cc b/plugin/daemon_example/daemon_example.cc index 2a41179974d..8f037e8babb 100644 --- a/plugin/daemon_example/daemon_example.cc +++ b/plugin/daemon_example/daemon_example.cc @@ -16,6 +16,7 @@ #include #include #include +#include // localtime_r #include #include #include From 00dfb12b9221ec1b2b84d9ddd1309e0b440fc889 Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Tue, 25 May 2010 18:44:33 -0700 Subject: [PATCH 342/400] Check in the support for Information Schema System Table Views. Users can now view the content of InnoDB System Tables through following information schema tables: information_schema.INNODB_SYS_TABLES information_schema.INNODB_SYS_INDEXES information_schema.INNODB_SYS_COUMNS information_schema.INNODB_SYS_FIELDS information_schema.INNODB_SYS_FOREIGN information_schema.INNODB_SYS_FOREIGN_COLS information_schema.INNODB_SYS_TABLESTATS rb://330 Approved by Marko --- mysql-test/r/mysqlshow.result | 26 +- .../innodb/r/innodb-system-table-view.result | 110 ++ .../innodb/t/innodb-system-table-view.test | 94 + storage/innobase/dict/dict0load.c | 1293 ++++++++++--- storage/innobase/dict/dict0mem.c | 35 +- storage/innobase/handler/ha_innodb.cc | 10 +- storage/innobase/handler/i_s.cc | 1667 ++++++++++++++++- storage/innobase/handler/i_s.h | 7 + storage/innobase/include/dict0dict.ic | 2 +- storage/innobase/include/dict0load.h | 208 +- storage/innobase/include/dict0mem.h | 30 + storage/innobase/include/dict0mem.ic | 78 + storage/innobase/row/row0mysql.c | 4 +- 13 files changed, 3224 insertions(+), 340 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb-system-table-view.result create mode 100644 mysql-test/suite/innodb/t/innodb-system-table-view.test diff --git a/mysql-test/r/mysqlshow.result b/mysql-test/r/mysqlshow.result index 4293465df67..f7b5869a3e3 100644 --- a/mysql-test/r/mysqlshow.result +++ b/mysql-test/r/mysqlshow.result @@ -109,13 +109,20 @@ Database: information_schema | TRIGGERS | | USER_PRIVILEGES | | VIEWS | -| INNODB_CMP_RESET | +| INNODB_SYS_FIELDS | | INNODB_TRX | -| INNODB_CMPMEM_RESET | +| INNODB_SYS_INDEXES | | INNODB_LOCK_WAITS | -| INNODB_CMPMEM | +| INNODB_SYS_TABLESTATS | | INNODB_CMP | +| INNODB_SYS_COLUMNS | +| INNODB_CMP_RESET | +| INNODB_SYS_FOREIGN_COLS | | INNODB_LOCKS | +| INNODB_CMPMEM_RESET | +| INNODB_CMPMEM | +| INNODB_SYS_FOREIGN | +| INNODB_SYS_TABLES | +---------------------------------------+ Database: INFORMATION_SCHEMA +---------------------------------------+ @@ -151,13 +158,20 @@ Database: INFORMATION_SCHEMA | TRIGGERS | | USER_PRIVILEGES | | VIEWS | -| INNODB_CMP_RESET | +| INNODB_SYS_FIELDS | | INNODB_TRX | -| INNODB_CMPMEM_RESET | +| INNODB_SYS_INDEXES | | INNODB_LOCK_WAITS | -| INNODB_CMPMEM | +| INNODB_SYS_TABLESTATS | | INNODB_CMP | +| INNODB_SYS_COLUMNS | +| INNODB_CMP_RESET | +| INNODB_SYS_FOREIGN_COLS | | INNODB_LOCKS | +| INNODB_CMPMEM_RESET | +| INNODB_CMPMEM | +| INNODB_SYS_FOREIGN | +| INNODB_SYS_TABLES | +---------------------------------------+ Wildcard: inf_rmation_schema +--------------------+ diff --git a/mysql-test/suite/innodb/r/innodb-system-table-view.result b/mysql-test/suite/innodb/r/innodb-system-table-view.result new file mode 100644 index 00000000000..ffa57ee32ce --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb-system-table-view.result @@ -0,0 +1,110 @@ +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES; +TABLE_ID NAME FLAG N_COLS SPACE +11 SYS_FOREIGN 0 7 0 +12 SYS_FOREIGN_COLS 0 7 0 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES; +INDEX_ID NAME TABLE_ID TYPE N_FIELDS PAGE_NO SPACE +11 ID_IND 11 3 1 302 0 +12 FOR_IND 11 0 1 303 0 +13 REF_IND 11 0 1 304 0 +14 ID_IND 12 3 2 305 0 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS; +TABLE_ID NAME POS MTYPE PRTYPE LEN +11 ID 0 1 524292 0 +11 FOR_NAME 1 1 524292 0 +11 REF_NAME 2 1 524292 0 +11 N_COLS 3 6 0 4 +12 ID 0 1 524292 0 +12 POS 1 6 0 4 +12 FOR_COL_NAME 2 1 524292 0 +12 REF_COL_NAME 3 1 524292 0 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS; +INDEX_ID NAME POS +11 ID 0 +12 FOR_NAME 0 +13 REF_NAME 0 +14 ID 0 +14 POS 1 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; +ID FOR_NAME REF_NAME N_COLS TYPE +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; +ID FOR_COL_NAME REF_COL_NAME POS +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS; +TABLE_ID NAME STATS_INITIALIZED NUM_ROWS CLUST_INDEX_SIZE OTHER_INDEX_SIZE MODIFIED_COUNTER AUTOINC MYSQL_HANDLES_OPENED +11 SYS_FOREIGN Uninitialized 0 0 0 0 0 0 +12 SYS_FOREIGN_COLS Uninitialized 0 0 0 0 0 0 +CREATE TABLE parent (id INT NOT NULL, +PRIMARY KEY (id)) ENGINE=INNODB; +CREATE TABLE child (id INT, parent_id INT, +INDEX par_ind (parent_id), +CONSTRAINT constraint_test +FOREIGN KEY (parent_id) REFERENCES parent(id) +ON DELETE CASCADE) ENGINE=INNODB; +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; +ID FOR_NAME REF_NAME N_COLS TYPE +test/constraint_test test/child test/parent 1 1 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; +ID FOR_COL_NAME REF_COL_NAME POS +test/constraint_test parent_id id 0 +INSERT INTO parent VALUES(1); +SELECT name, num_rows, mysql_handles_opened +FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS +WHERE name LIKE "%parent"; +name num_rows mysql_handles_opened +test/parent 1 1 +SELECT NAME, FLAG, N_COLS, SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES; +NAME FLAG N_COLS SPACE +SYS_FOREIGN 0 7 0 +SYS_FOREIGN_COLS 0 7 0 +test/child 1 5 0 +test/parent 1 4 0 +SELECT name, n_fields +from INFORMATION_SCHEMA.INNODB_SYS_INDEXES +WHERE table_id In (SELECT table_id from +INFORMATION_SCHEMA.INNODB_SYS_TABLES +WHERE name LIKE "%parent%"); +name n_fields +PRIMARY 1 +SELECT name, n_fields +from INFORMATION_SCHEMA.INNODB_SYS_INDEXES +WHERE table_id In (SELECT table_id from +INFORMATION_SCHEMA.INNODB_SYS_TABLES +WHERE name LIKE "%child%"); +name n_fields +GEN_CLUST_INDEX 0 +par_ind 1 +SELECT name, pos, mtype, len +from INFORMATION_SCHEMA.INNODB_SYS_COLUMNS +WHERE table_id In (SELECT table_id from +INFORMATION_SCHEMA.INNODB_SYS_TABLES +WHERE name LIKE "%child%"); +name pos mtype len +id 0 6 4 +parent_id 1 6 4 +DROP TABLE child; +DROP TABLE parent; +CREATE TABLE parent (id INT NOT NULL, newid INT NOT NULL, +PRIMARY KEY (id, newid)) ENGINE=INNODB; +CREATE TABLE child (id INT, parent_id INT, +INDEX par_ind (parent_id), +CONSTRAINT constraint_test +FOREIGN KEY (id, parent_id) REFERENCES parent(id, newid) +ON DELETE CASCADE) ENGINE=INNODB; +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; +ID FOR_NAME REF_NAME N_COLS TYPE +test/constraint_test test/child test/parent 2 1 +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; +ID FOR_COL_NAME REF_COL_NAME POS +test/constraint_test id id 0 +test/constraint_test parent_id newid 1 +INSERT INTO parent VALUES(1, 9); +SELECT * FROM parent WHERE id IN (SELECT id FROM parent); +id newid +1 9 +SELECT name, num_rows, mysql_handles_opened +FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS +WHERE name LIKE "%parent"; +name num_rows mysql_handles_opened +test/parent 1 2 +DROP TABLE child; +DROP TABLE parent; diff --git a/mysql-test/suite/innodb/t/innodb-system-table-view.test b/mysql-test/suite/innodb/t/innodb-system-table-view.test new file mode 100644 index 00000000000..e570a33b59d --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb-system-table-view.test @@ -0,0 +1,94 @@ +# This is the test for Information Schema System Table View +# that displays the InnoDB system table content through +# information schema tables. + +--source include/have_innodb.inc + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS; + +# Create a foreign key constraint, and verify the information +# in INFORMATION_SCHEMA.INNODB_SYS_FOREIGN and +# INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS +CREATE TABLE parent (id INT NOT NULL, + PRIMARY KEY (id)) ENGINE=INNODB; + +CREATE TABLE child (id INT, parent_id INT, + INDEX par_ind (parent_id), + CONSTRAINT constraint_test + FOREIGN KEY (parent_id) REFERENCES parent(id) + ON DELETE CASCADE) ENGINE=INNODB; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; + +# Insert a row in the table "parent", and see whether that reflected in +# INNODB_SYS_TABLESTATS +INSERT INTO parent VALUES(1); + +SELECT name, num_rows, mysql_handles_opened +FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS +WHERE name LIKE "%parent"; + +SELECT NAME, FLAG, N_COLS, SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES; + +SELECT name, n_fields +from INFORMATION_SCHEMA.INNODB_SYS_INDEXES +WHERE table_id In (SELECT table_id from + INFORMATION_SCHEMA.INNODB_SYS_TABLES + WHERE name LIKE "%parent%"); + +SELECT name, n_fields +from INFORMATION_SCHEMA.INNODB_SYS_INDEXES +WHERE table_id In (SELECT table_id from + INFORMATION_SCHEMA.INNODB_SYS_TABLES + WHERE name LIKE "%child%"); + +SELECT name, pos, mtype, len +from INFORMATION_SCHEMA.INNODB_SYS_COLUMNS +WHERE table_id In (SELECT table_id from + INFORMATION_SCHEMA.INNODB_SYS_TABLES + WHERE name LIKE "%child%"); + +DROP TABLE child; + +DROP TABLE parent; + +# Create table with 2 columns in the foreign key constraint +CREATE TABLE parent (id INT NOT NULL, newid INT NOT NULL, + PRIMARY KEY (id, newid)) ENGINE=INNODB; + +CREATE TABLE child (id INT, parent_id INT, + INDEX par_ind (parent_id), + CONSTRAINT constraint_test + FOREIGN KEY (id, parent_id) REFERENCES parent(id, newid) + ON DELETE CASCADE) ENGINE=INNODB; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN; + +SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS; + +INSERT INTO parent VALUES(1, 9); + +# Nested query will open the table handle twice +SELECT * FROM parent WHERE id IN (SELECT id FROM parent); + +SELECT name, num_rows, mysql_handles_opened +FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS +WHERE name LIKE "%parent"; + +DROP TABLE child; + +DROP TABLE parent; diff --git a/storage/innobase/dict/dict0load.c b/storage/innobase/dict/dict0load.c index 377818308c5..0aa53b9dd22 100644 --- a/storage/innobase/dict/dict0load.c +++ b/storage/innobase/dict/dict0load.c @@ -41,6 +41,16 @@ Created 4/24/1996 Heikki Tuuri #include "srv0start.h" #include "srv0srv.h" + +/** Following are six InnoDB system tables */ +static const char* SYSTEM_TABLE_NAME[] = { + "SYS_TABLES", + "SYS_INDEXES", + "SYS_COLUMNS", + "SYS_FIELDS", + "SYS_FOREIGN", + "SYS_FOREIGN_COLS" +}; /****************************************************************//** Compare the name of an index column. @return TRUE if the i'th column of index is 'name'. */ @@ -151,13 +161,10 @@ void dict_print(void) /*============*/ { - dict_table_t* sys_tables; - dict_index_t* sys_index; dict_table_t* table; btr_pcur_t pcur; const rec_t* rec; - const byte* field; - ulint len; + mem_heap_t* heap; mtr_t mtr; /* Enlarge the fatal semaphore wait timeout during the InnoDB table @@ -167,75 +174,396 @@ dict_print(void) srv_fatal_semaphore_wait_threshold += 7200; /* 2 hours */ mutex_exit(&kernel_mutex); + heap = mem_heap_create(1000); mutex_enter(&(dict_sys->mutex)); - mtr_start(&mtr); - sys_tables = dict_table_get_low("SYS_TABLES"); - sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); + rec = dict_startscan_system(&pcur, &mtr, SYS_TABLES); - btr_pcur_open_at_index_side(TRUE, sys_index, BTR_SEARCH_LEAF, &pcur, - TRUE, &mtr); -loop: - btr_pcur_move_to_next_user_rec(&pcur, &mtr); + while (rec) { + const char* err_msg; - rec = btr_pcur_get_rec(&pcur); + err_msg = dict_process_sys_tables_rec( + heap, rec, &table, DICT_TABLE_LOAD_FROM_CACHE + | DICT_TABLE_UPDATE_STATS); - if (!btr_pcur_is_on_user_rec(&pcur)) { - /* end of index */ - - btr_pcur_close(&pcur); mtr_commit(&mtr); - mutex_exit(&(dict_sys->mutex)); + if (!err_msg) { + dict_table_print_low(table); + } else { + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: %s\n", err_msg); + } - /* Restore the fatal semaphore wait timeout */ + mem_heap_empty(heap); - mutex_enter(&kernel_mutex); - srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ - mutex_exit(&kernel_mutex); - - return; + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); } + mtr_commit(&mtr); + mutex_exit(&(dict_sys->mutex)); + mem_heap_free(heap); + + /* Restore the fatal semaphore wait timeout */ + mutex_enter(&kernel_mutex); + srv_fatal_semaphore_wait_threshold -= 7200; /* 2 hours */ + mutex_exit(&kernel_mutex); +} + + +/********************************************************************//** +This function gets the next system table record as it scans the table. +@return the next record if found, NULL if end of scan */ +static +const rec_t* +dict_getnext_system_low( +/*====================*/ + btr_pcur_t* pcur, /*!< in/out: persistent cursor to the + record*/ + mtr_t* mtr) /*!< in: the mini-transaction */ +{ + rec_t* rec = NULL; + + while (!rec || rec_get_deleted_flag(rec, 0)) { + btr_pcur_move_to_next_user_rec(pcur, mtr); + + rec = btr_pcur_get_rec(pcur); + + if (!btr_pcur_is_on_user_rec(pcur)) { + /* end of index */ + btr_pcur_close(pcur); + + return(NULL); + } + } + + /* Get a record, let's save the position */ + btr_pcur_store_position(pcur, mtr); + + return(rec); +} + +/********************************************************************//** +This function opens a system table, and return the first record. +@return first record of the system table */ +UNIV_INTERN +const rec_t* +dict_startscan_system( +/*==================*/ + btr_pcur_t* pcur, /*!< out: persistent cursor to + the record */ + mtr_t* mtr, /*!< in: the mini-transaction */ + dict_system_id_t system_id) /*!< in: which system table to open */ +{ + dict_table_t* system_table; + dict_index_t* clust_index; + const rec_t* rec; + + ut_a(system_id < SYS_NUM_SYSTEM_TABLES); + + system_table = dict_table_get_low(SYSTEM_TABLE_NAME[system_id]); + + clust_index = UT_LIST_GET_FIRST(system_table->indexes); + + btr_pcur_open_at_index_side(TRUE, clust_index, BTR_SEARCH_LEAF, pcur, + TRUE, mtr); + + rec = dict_getnext_system_low(pcur, mtr); + + return(rec); +} + +/********************************************************************//** +This function gets the next system table record as it scans the table. +@return the next record if found, NULL if end of scan */ +UNIV_INTERN +const rec_t* +dict_getnext_system( +/*================*/ + btr_pcur_t* pcur, /*!< in/out: persistent cursor + to the record */ + mtr_t* mtr) /*!< in: the mini-transaction */ +{ + const rec_t* rec; + + /* Restore the position */ + btr_pcur_restore_position(BTR_SEARCH_LEAF, pcur, mtr); + + /* Get the next record */ + rec = dict_getnext_system_low(pcur, mtr); + + return(rec); +} +/********************************************************************//** +This function processes one SYS_TABLES record and populate the dict_table_t +struct for the table. Extracted out of dict_print() to be used by +both monitor table output and information schema innodb_sys_tables output. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_tables_rec( +/*========================*/ + mem_heap_t* heap, /*!< in/out: temporary memory heap */ + const rec_t* rec, /*!< in: SYS_TABLES record */ + dict_table_t** table, /*!< out: dict_table_t to fill */ + dict_table_info_t status) /*!< in: status bit controls + options such as whether we shall + look for dict_table_t from cache + first */ +{ + ulint len; + const byte* field; + const char* err_msg = NULL; + char* table_name; + field = rec_get_nth_field_old(rec, 0, &len); - if (!rec_get_deleted_flag(rec, 0)) { + ut_a(!rec_get_deleted_flag(rec, 0)); - /* We found one */ + /* Get the table name */ + table_name = mem_heap_strdupl(heap, field, len); - char* table_name = mem_strdupl((char*) field, len); + /* If DICT_TABLE_LOAD_FROM_CACHE is set, first check + whether there is cached dict_table_t struct first */ + if (status & DICT_TABLE_LOAD_FROM_CACHE) { + *table = dict_table_get_low(table_name); - btr_pcur_store_position(&pcur, &mtr); - - mtr_commit(&mtr); - - table = dict_table_get_low(table_name); - mem_free(table_name); - - if (table == NULL) { - fputs("InnoDB: Failed to load table ", stderr); - ut_print_namel(stderr, NULL, TRUE, (char*) field, len); - putc('\n', stderr); - } else { - /* The table definition was corrupt if there - is no index */ - - if (dict_table_get_first_index(table)) { - dict_update_statistics_low(table, TRUE); - } - - dict_table_print_low(table); + if (!(*table)) { + err_msg = "Table not found in cache"; } - - mtr_start(&mtr); - - btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr); + } else { + err_msg = dict_load_table_low(table_name, rec, table); } - goto loop; + if (err_msg) { + return(err_msg); + } + + if ((status & DICT_TABLE_UPDATE_STATS) + && dict_table_get_first_index(*table)) { + + /* Update statistics if DICT_TABLE_UPDATE_STATS + is set */ + dict_update_statistics_low(*table, TRUE); + } + + return(NULL); } +/********************************************************************//** +This function parses a SYS_INDEXES record and populate a dict_index_t +structure with the information from the record. For detail information +about SYS_INDEXES fields, please refer to dict_boot() function. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_indexes_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_INDEXES rec */ + dict_index_t* index, /*!< out: index to be filled */ + dulint* table_id) /*!< out: index table id */ +{ + const char* err_msg; + byte* buf; + + buf = mem_heap_alloc(heap, 8); + + /* Parse the record, and get "dict_index_t" struct filled */ + err_msg = dict_load_index_low(buf, NULL, + heap, rec, FALSE, &index); + + *table_id = mach_read_from_8(buf); + + return(err_msg); +} +/********************************************************************//** +This function parses a SYS_COLUMNS record and populate a dict_column_t +structure with the information from the record. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_columns_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_COLUMNS rec */ + dict_col_t* column, /*!< out: dict_col_t to be filled */ + dulint* table_id, /*!< out: table id */ + const char** col_name) /*!< out: column name */ +{ + const char* err_msg; + + /* Parse the record, and get "dict_col_t" struct filled */ + err_msg = dict_load_column_low(NULL, heap, column, + table_id, col_name, rec); + + return(err_msg); +} +/********************************************************************//** +This function parses a SYS_FIELDS record and populates a dict_field_t +structure with the information from the record. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_fields_rec( +/*========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FIELDS rec */ + dict_field_t* sys_field, /*!< out: dict_field_t to be + filled */ + ulint* pos, /*!< out: Field position */ + dulint* index_id, /*!< out: current index id */ + dulint last_id) /*!< in: previous index id */ +{ + byte* buf; + byte* last_index_id; + const char* err_msg; + + buf = mem_heap_alloc(heap, 8); + + last_index_id = mem_heap_alloc(heap, 8); + mach_write_to_8(last_index_id, last_id); + + err_msg = dict_load_field_low(buf, NULL, sys_field, + pos, last_index_id, heap, rec); + + *index_id = mach_read_from_8(buf); + + return(err_msg); + +} +/********************************************************************//** +This function parses a SYS_FOREIGN record and populate a dict_foreign_t +structure with the information from the record. For detail information +about SYS_FOREIGN fields, please refer to dict_load_foreign() function +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_foreign_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FOREIGN rec */ + dict_foreign_t* foreign) /*!< out: dict_foreign_t struct + to be filled */ +{ + ulint len; + const byte* field; + ulint n_fields_and_type; + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return("delete-marked record in SYS_FOREIGN"); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 6)) { + return("wrong number of columns in SYS_FOREIGN record"); + } + + field = rec_get_nth_field_old(rec, 0/*ID*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { +err_len: + return("incorrect column length in SYS_FOREIGN"); + } + foreign->id = mem_heap_strdupl(heap, (const char*) field, len); + + rec_get_nth_field_offs_old(rec, 1/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 2/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 3/*FOR_NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + foreign->foreign_table_name = mem_heap_strdupl( + heap, (const char*) field, len); + + field = rec_get_nth_field_old(rec, 4/*REF_NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + foreign->referenced_table_name = mem_heap_strdupl( + heap, (const char*) field, len); + + field = rec_get_nth_field_old(rec, 5/*N_COLS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + n_fields_and_type = mach_read_from_4(field); + + foreign->type = (unsigned int) (n_fields_and_type >> 24); + foreign->n_fields = (unsigned int) (n_fields_and_type & 0x3FFUL); + + return(NULL); +} +/********************************************************************//** +This function parses a SYS_FOREIGN_COLS record and extract necessary +information from the record and return to caller. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_foreign_col_rec( +/*=============================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FOREIGN_COLS rec */ + const char** name, /*!< out: foreign key constraint name */ + const char** for_col_name, /*!< out: referencing column name */ + const char** ref_col_name, /*!< out: referenced column name + in referenced table */ + ulint* pos) /*!< out: column position */ +{ + ulint len; + const byte* field; + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return("delete-marked record in SYS_FOREIGN_COLS"); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 6)) { + return("wrong number of columns in SYS_FOREIGN_COLS record"); + } + + field = rec_get_nth_field_old(rec, 0/*ID*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { +err_len: + return("incorrect column length in SYS_FOREIGN_COLS"); + } + *name = mem_heap_strdupl(heap, (char*) field, len); + + field = rec_get_nth_field_old(rec, 1/*POS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + *pos = mach_read_from_4(field); + + rec_get_nth_field_offs_old(rec, 2/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 3/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 4/*FOR_COL_NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + *for_col_name = mem_heap_strdupl(heap, (char*) field, len); + + field = rec_get_nth_field_old(rec, 5/*REF_COL_NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + *ref_col_name = mem_heap_strdupl(heap, (char*) field, len); + + return(NULL); +} /********************************************************************//** Determine the flags of a table described in SYS_TABLES. @return compressed page size in kilobytes; or 0 if the tablespace is @@ -440,14 +768,150 @@ loop: goto loop; } +/********************************************************************//** +Loads a table column definition from a SYS_COLUMNS record to +dict_table_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_column_low( +/*=================*/ + dict_table_t* table, /*!< in/out: table, could be NULL + if we just polulate a dict_column_t + struct with information from + a SYS_COLUMNS record */ + mem_heap_t* heap, /*!< in/out: memory heap + for temporary storage */ + dict_col_t* column, /*!< out: dict_column_t to fill */ + dulint* table_id, /*!< out: table id */ + const char** col_name, /*!< out: column name */ + const rec_t* rec) /*!< in: SYS_COLUMNS record */ +{ + char* name; + const byte* field; + ulint len; + ulint mtype; + ulint prtype; + ulint col_len; + ulint pos; + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return("delete-marked record in SYS_COLUMNS"); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 9)) { + return("wrong number of columns in SYS_COLUMNS record"); + } + + field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { +err_len: + return("incorrect column length in SYS_COLUMNS"); + } + + if (table_id) { + *table_id = mach_read_from_8(field); + } else if (UNIV_UNLIKELY(ut_dulint_cmp(table->id, + mach_read_from_8(field)))) { + return("SYS_COLUMNS.TABLE_ID mismatch"); + } + + field = rec_get_nth_field_old(rec, 1/*POS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + + goto err_len; + } + + if (!table) { + pos = mach_read_from_4(field); + } else if (UNIV_UNLIKELY(table->n_def != mach_read_from_4(field))) { + return("SYS_COLUMNS.POS mismatch"); + } + + rec_get_nth_field_offs_old(rec, 2/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 3/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 4/*NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + + name = mem_heap_strdupl(heap, (const char*) field, len); + + if (col_name) { + *col_name = name; + } + + field = rec_get_nth_field_old(rec, 5/*MTYPE*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + mtype = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 6/*PRTYPE*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + prtype = mach_read_from_4(field); + + if (dtype_get_charset_coll(prtype) == 0 + && dtype_is_string_type(mtype)) { + /* The table was created with < 4.1.2. */ + + if (dtype_is_binary_string_type(mtype, prtype)) { + /* Use the binary collation for + string columns of binary type. */ + + prtype = dtype_form_prtype( + prtype, + DATA_MYSQL_BINARY_CHARSET_COLL); + } else { + /* Use the default charset for + other than binary columns. */ + + prtype = dtype_form_prtype( + prtype, + data_mysql_default_charset_coll); + } + } + + field = rec_get_nth_field_old(rec, 7/*LEN*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + col_len = mach_read_from_4(field); + field = rec_get_nth_field_old(rec, 8/*PREC*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + if (!column) { + dict_mem_table_add_col(table, heap, name, mtype, + prtype, col_len); + } else { + dict_mem_fill_column_struct(column, pos, mtype, + prtype, col_len); + } + + return(NULL); +} + /********************************************************************//** Loads definitions for table columns. */ static void dict_load_columns( /*==============*/ - dict_table_t* table, /*!< in: table */ - mem_heap_t* heap) /*!< in: memory heap for temporary storage */ + dict_table_t* table, /*!< in/out: table */ + mem_heap_t* heap) /*!< in/out: memory heap + for temporary storage */ { dict_table_t* sys_columns; dict_index_t* sys_index; @@ -455,13 +919,7 @@ dict_load_columns( dtuple_t* tuple; dfield_t* dfield; const rec_t* rec; - const byte* field; - ulint len; byte* buf; - char* name; - ulint mtype; - ulint prtype; - ulint col_len; ulint i; mtr_t mtr; @@ -473,6 +931,9 @@ dict_load_columns( sys_index = UT_LIST_GET_FIRST(sys_columns->indexes); ut_a(!dict_table_is_comp(sys_columns)); + ut_a(name_of_col_is(sys_columns, sys_index, 4, "NAME")); + ut_a(name_of_col_is(sys_columns, sys_index, 8, "PREC")); + tuple = dtuple_create(heap, 1); dfield = dtuple_get_nth_field(tuple, 0); @@ -485,60 +946,20 @@ dict_load_columns( btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); for (i = 0; i + DATA_N_SYS_COLS < (ulint) table->n_cols; i++) { + const char* err_msg; rec = btr_pcur_get_rec(&pcur); ut_a(btr_pcur_is_on_user_rec(&pcur)); - ut_a(!rec_get_deleted_flag(rec, 0)); + err_msg = dict_load_column_low(table, heap, NULL, NULL, + NULL, rec); - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - ut_a(ut_dulint_cmp(table->id, mach_read_from_8(field)) == 0); - - field = rec_get_nth_field_old(rec, 1, &len); - ut_ad(len == 4); - ut_a(i == mach_read_from_4(field)); - - ut_a(name_of_col_is(sys_columns, sys_index, 4, "NAME")); - - field = rec_get_nth_field_old(rec, 4, &len); - name = mem_heap_strdupl(heap, (char*) field, len); - - field = rec_get_nth_field_old(rec, 5, &len); - mtype = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 6, &len); - prtype = mach_read_from_4(field); - - if (dtype_get_charset_coll(prtype) == 0 - && dtype_is_string_type(mtype)) { - /* The table was created with < 4.1.2. */ - - if (dtype_is_binary_string_type(mtype, prtype)) { - /* Use the binary collation for - string columns of binary type. */ - - prtype = dtype_form_prtype( - prtype, - DATA_MYSQL_BINARY_CHARSET_COLL); - } else { - /* Use the default charset for - other than binary columns. */ - - prtype = dtype_form_prtype( - prtype, - data_mysql_default_charset_coll); - } + if (err_msg) { + fprintf(stderr, "InnoDB: %s\n", err_msg); + ut_error; } - field = rec_get_nth_field_old(rec, 7, &len); - col_len = mach_read_from_4(field); - - ut_a(name_of_col_is(sys_columns, sys_index, 8, "PREC")); - - dict_mem_table_add_col(table, heap, name, - mtype, prtype, col_len); btr_pcur_move_to_next_user_rec(&pcur, &mtr); } @@ -546,13 +967,135 @@ dict_load_columns( mtr_commit(&mtr); } +/** Error message for a delete-marked record in dict_load_field_low() */ +static const char* dict_load_field_del = "delete-marked record in SYS_FIELDS"; + /********************************************************************//** -Loads definitions for index fields. */ +Loads an index field definition from a SYS_FIELDS record to +dict_index_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_field_low( +/*================*/ + byte* index_id, /*!< in/out: index id (8 bytes) + an "in" value if index != NULL + and "out" if index == NULL */ + dict_index_t* index, /*!< in/out: index, could be NULL + if we just populate a dict_field_t + struct with information from + a SYS_FIELDSS record */ + dict_field_t* sys_field, /*!< out: dict_field_t to be + filled */ + ulint* pos, /*!< out: Field position */ + byte* last_index_id, /*!< in: last index id */ + mem_heap_t* heap, /*!< in/out: memory heap + for temporary storage */ + const rec_t* rec) /*!< in: SYS_FIELDS record */ +{ + const byte* field; + ulint len; + ulint pos_and_prefix_len; + ulint prefix_len; + ibool first_field; + ulint position; + + /* Either index or sys_field is supplied, not both */ + ut_a((!index) || (!sys_field)); + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return(dict_load_field_del); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 5)) { + return("wrong number of columns in SYS_FIELDS record"); + } + + field = rec_get_nth_field_old(rec, 0/*INDEX_ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { +err_len: + return("incorrect column length in SYS_FIELDS"); + } + + if (!index) { + ut_a(last_index_id); + memcpy(index_id, (const char*)field, 8); + first_field = memcmp(index_id, last_index_id, 8); + } else { + first_field = (index->n_def == 0); + if (memcmp(field, index_id, 8)) { + return("SYS_FIELDS.INDEX_ID mismatch"); + } + } + + field = rec_get_nth_field_old(rec, 1/*POS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + rec_get_nth_field_offs_old(rec, 2/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 3/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + /* The next field stores the field position in the index and a + possible column prefix length if the index field does not + contain the whole column. The storage format is like this: if + there is at least one prefix field in the index, then the HIGH + 2 bytes contain the field number (index->n_def) and the low 2 + bytes the prefix length for the field. Otherwise the field + number (index->n_def) is contained in the 2 LOW bytes. */ + + pos_and_prefix_len = mach_read_from_4(field); + + if (index && UNIV_UNLIKELY + ((pos_and_prefix_len & 0xFFFFUL) != index->n_def + && (pos_and_prefix_len >> 16 & 0xFFFF) != index->n_def)) { + return("SYS_FIELDS.POS mismatch"); + } + + if (first_field || pos_and_prefix_len > 0xFFFFUL) { + prefix_len = pos_and_prefix_len & 0xFFFFUL; + position = (pos_and_prefix_len & 0xFFFF0000UL) >> 16; + } else { + prefix_len = 0; + position = pos_and_prefix_len & 0xFFFFUL; + } + + field = rec_get_nth_field_old(rec, 4, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { + goto err_len; + } + + if (index) { + dict_mem_index_add_field( + index, mem_heap_strdupl(heap, (const char*) field, len), + prefix_len); + } else { + ut_a(sys_field); + ut_a(pos); + + sys_field->name = mem_heap_strdupl( + heap, (const char*) field, len); + sys_field->prefix_len = prefix_len; + *pos = position; + } + + return(NULL); +} + +/********************************************************************//** +Loads definitions for index fields. +@return DB_SUCCESS if ok, DB_CORRUPTION if corruption */ static -void +ulint dict_load_fields( /*=============*/ - dict_index_t* index, /*!< in: index whose fields to load */ + dict_index_t* index, /*!< in/out: index whose fields to load */ mem_heap_t* heap) /*!< in: memory heap for temporary storage */ { dict_table_t* sys_fields; @@ -560,14 +1103,11 @@ dict_load_fields( btr_pcur_t pcur; dtuple_t* tuple; dfield_t* dfield; - ulint pos_and_prefix_len; - ulint prefix_len; const rec_t* rec; - const byte* field; - ulint len; byte* buf; ulint i; mtr_t mtr; + ulint error; ut_ad(mutex_own(&(dict_sys->mutex))); @@ -576,6 +1116,7 @@ dict_load_fields( sys_fields = dict_table_get_low("SYS_FIELDS"); sys_index = UT_LIST_GET_FIRST(sys_fields->indexes); ut_a(!dict_table_is_comp(sys_fields)); + ut_a(name_of_col_is(sys_fields, sys_index, 4, "COL_NAME")); tuple = dtuple_create(heap, 1); dfield = dtuple_get_nth_field(tuple, 0); @@ -589,62 +1130,153 @@ dict_load_fields( btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); for (i = 0; i < index->n_fields; i++) { + const char* err_msg; rec = btr_pcur_get_rec(&pcur); ut_a(btr_pcur_is_on_user_rec(&pcur)); - /* There could be delete marked records in SYS_FIELDS - because SYS_FIELDS.INDEX_ID can be updated - by ALTER TABLE ADD INDEX. */ + err_msg = dict_load_field_low(buf, index, NULL, NULL, NULL, + heap, rec); - if (rec_get_deleted_flag(rec, 0)) { + if (err_msg == dict_load_field_del) { + /* There could be delete marked records in + SYS_FIELDS because SYS_FIELDS.INDEX_ID can be + updated by ALTER TABLE ADD INDEX. */ goto next_rec; + } else if (err_msg) { + fprintf(stderr, "InnoDB: %s\n", err_msg); + error = DB_CORRUPTION; + goto func_exit; } - - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); - - field = rec_get_nth_field_old(rec, 1, &len); - ut_a(len == 4); - - /* The next field stores the field position in the index - and a possible column prefix length if the index field - does not contain the whole column. The storage format is - like this: if there is at least one prefix field in the index, - then the HIGH 2 bytes contain the field number (== i) and the - low 2 bytes the prefix length for the field. Otherwise the - field number (== i) is contained in the 2 LOW bytes. */ - - pos_and_prefix_len = mach_read_from_4(field); - - ut_a((pos_and_prefix_len & 0xFFFFUL) == i - || (pos_and_prefix_len & 0xFFFF0000UL) == (i << 16)); - - if ((i == 0 && pos_and_prefix_len > 0) - || (pos_and_prefix_len & 0xFFFF0000UL) > 0) { - - prefix_len = pos_and_prefix_len & 0xFFFFUL; - } else { - prefix_len = 0; - } - - ut_a(name_of_col_is(sys_fields, sys_index, 4, "COL_NAME")); - - field = rec_get_nth_field_old(rec, 4, &len); - - dict_mem_index_add_field(index, - mem_heap_strdupl(heap, - (char*) field, len), - prefix_len); - next_rec: btr_pcur_move_to_next_user_rec(&pcur, &mtr); } + error = DB_SUCCESS; +func_exit: btr_pcur_close(&pcur); mtr_commit(&mtr); + return(error); +} + +/** Error message for a delete-marked record in dict_load_index_low() */ +static const char* dict_load_index_del = "delete-marked record in SYS_INDEXES"; +/** Error message for table->id mismatch in dict_load_index_low() */ +static const char* dict_load_index_id_err = "SYS_INDEXES.TABLE_ID mismatch"; + +/********************************************************************//** +Loads an index definition from a SYS_INDEXES record to dict_index_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_index_low( +/*================*/ + byte* table_id, /*!< in/out: table id (8 bytes), + an "in" value if cached=TRUE + and "out" when cached=FALSE */ + const char* table_name, /*!< in: table name */ + mem_heap_t* heap, /*!< in/out: temporary memory heap */ + const rec_t* rec, /*!< in: SYS_INDEXES record */ + ibool cached, /*!< in: TRUE = add to cache, + FALSE = do not */ + dict_index_t** index) /*!< out,own: index, or NULL */ +{ + const byte* field; + ulint len; + ulint name_len; + char* name_buf; + dulint id; + ulint n_fields; + ulint type; + ulint space; + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return(dict_load_index_del); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 9)) { + return("wrong number of columns in SYS_INDEXES record"); + } + + field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { +err_len: + return("incorrect column length in SYS_INDEXES"); + } + + if (!cached) { + /* We are reading a SYS_INDEXES record. Copy the table_id */ + memcpy(table_id, (const char*)field, 8); + } else if (memcmp(field, table_id, 8)) { + /* Caller supplied table_id, verify it is the same + id as on the index record */ + return(dict_load_index_id_err); + } + + field = rec_get_nth_field_old(rec, 1/*ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { + goto err_len; + } + + id = mach_read_from_8(field); + + rec_get_nth_field_offs_old(rec, 2/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 3/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 4/*NAME*/, &name_len); + if (UNIV_UNLIKELY(name_len == UNIV_SQL_NULL)) { + goto err_len; + } + + name_buf = mem_heap_strdupl(heap, (const char*) field, + name_len); + + field = rec_get_nth_field_old(rec, 5/*N_FIELDS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + n_fields = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 6/*TYPE*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + type = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 7/*SPACE*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + space = mach_read_from_4(field); + + field = rec_get_nth_field_old(rec, 8/*PAGE_NO*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + if (cached) { + *index = dict_mem_index_create(table_name, name_buf, + space, type, n_fields); + } else { + ut_a(*index); + + dict_mem_fill_index_struct(*index, NULL, NULL, name_buf, + space, type, n_fields); + } + + (*index)->id = id; + (*index)->page = mach_read_from_4(field); + ut_ad((*index)->page); + + return(NULL); } /********************************************************************//** @@ -656,27 +1288,17 @@ static ulint dict_load_indexes( /*==============*/ - dict_table_t* table, /*!< in: table */ + dict_table_t* table, /*!< in/out: table */ mem_heap_t* heap) /*!< in: memory heap for temporary storage */ { dict_table_t* sys_indexes; dict_index_t* sys_index; - dict_index_t* index; btr_pcur_t pcur; dtuple_t* tuple; dfield_t* dfield; const rec_t* rec; - const byte* field; - ulint len; - ulint name_len; - char* name_buf; - ulint type; - ulint space; - ulint page_no; - ulint n_fields; byte* buf; ibool is_sys_table; - dulint id; mtr_t mtr; ulint error = DB_SUCCESS; @@ -694,6 +1316,8 @@ dict_load_indexes( sys_indexes = dict_table_get_low("SYS_INDEXES"); sys_index = UT_LIST_GET_FIRST(sys_indexes->indexes); ut_a(!dict_table_is_comp(sys_indexes)); + ut_a(name_of_col_is(sys_indexes, sys_index, 4, "NAME")); + ut_a(name_of_col_is(sys_indexes, sys_index, 8, "PAGE_NO")); tuple = dtuple_create(heap, 1); dfield = dtuple_get_nth_field(tuple, 0); @@ -707,6 +1331,9 @@ dict_load_indexes( btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); for (;;) { + dict_index_t* index; + const char* err_msg; + if (!btr_pcur_is_on_user_rec(&pcur)) { break; @@ -714,90 +1341,73 @@ dict_load_indexes( rec = btr_pcur_get_rec(&pcur); - field = rec_get_nth_field_old(rec, 0, &len); - ut_ad(len == 8); + err_msg = dict_load_index_low(buf, table->name, heap, rec, + TRUE, &index); + ut_ad((index == NULL) == (err_msg != NULL)); - if (ut_memcmp(buf, field, len) != 0) { + if (err_msg == dict_load_index_id_err) { + /* TABLE_ID mismatch means that we have + run out of index definitions for the table. */ break; - } else if (rec_get_deleted_flag(rec, 0)) { - /* Skip delete marked records */ + } else if (err_msg == dict_load_index_del) { + /* Skip delete-marked records. */ goto next_rec; + } else if (err_msg) { + fprintf(stderr, "InnoDB: %s\n", err_msg); + error = DB_CORRUPTION; + goto func_exit; } - field = rec_get_nth_field_old(rec, 1, &len); - ut_ad(len == 8); - id = mach_read_from_8(field); - - ut_a(name_of_col_is(sys_indexes, sys_index, 4, "NAME")); - - field = rec_get_nth_field_old(rec, 4, &name_len); - name_buf = mem_heap_strdupl(heap, (char*) field, name_len); - - field = rec_get_nth_field_old(rec, 5, &len); - n_fields = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 6, &len); - type = mach_read_from_4(field); - - field = rec_get_nth_field_old(rec, 7, &len); - space = mach_read_from_4(field); - - ut_a(name_of_col_is(sys_indexes, sys_index, 8, "PAGE_NO")); - - field = rec_get_nth_field_old(rec, 8, &len); - page_no = mach_read_from_4(field); + ut_ad(index); /* We check for unsupported types first, so that the subsequent checks are relevant for the supported types. */ - if (type & ~(DICT_CLUSTERED | DICT_UNIQUE)) { + if (index->type & ~(DICT_CLUSTERED | DICT_UNIQUE)) { fprintf(stderr, "InnoDB: Error: unknown type %lu" " of index %s of table %s\n", - (ulong) type, name_buf, table->name); + (ulong) index->type, index->name, table->name); error = DB_UNSUPPORTED; + dict_mem_index_free(index); goto func_exit; - } else if (page_no == FIL_NULL) { + } else if (index->page == FIL_NULL) { fprintf(stderr, "InnoDB: Error: trying to load index %s" " for table %s\n" "InnoDB: but the index tree has been freed!\n", - name_buf, table->name); + index->name, table->name); +corrupted: + dict_mem_index_free(index); error = DB_CORRUPTION; goto func_exit; - } else if ((type & DICT_CLUSTERED) == 0 - && NULL == dict_table_get_first_index(table)) { + } else if (!dict_index_is_clust(index) + && NULL == dict_table_get_first_index(table)) { fputs("InnoDB: Error: trying to load index ", stderr); - ut_print_name(stderr, NULL, FALSE, name_buf); + ut_print_name(stderr, NULL, FALSE, index->name); fputs(" for table ", stderr); ut_print_name(stderr, NULL, TRUE, table->name); fputs("\nInnoDB: but the first index" " is not clustered!\n", stderr); - error = DB_CORRUPTION; - goto func_exit; + goto corrupted; } else if (is_sys_table - && ((type & DICT_CLUSTERED) + && (dict_index_is_clust(index) || ((table == dict_sys->sys_tables) - && (name_len == (sizeof "ID_IND") - 1) - && (0 == ut_memcmp(name_buf, - "ID_IND", name_len))))) { + && !strcmp("ID_IND", index->name)))) { /* The index was created in memory already at booting of the database server */ + dict_mem_index_free(index); } else { - index = dict_mem_index_create(table->name, name_buf, - space, type, n_fields); - index->id = id; - dict_load_fields(index, heap); - error = dict_index_add_to_cache(table, index, page_no, - FALSE); + error = dict_index_add_to_cache(table, index, + index->page, FALSE); /* The data dictionary tables should never contain invalid index definitions. If we ignored this error and simply did not load this index definition, the @@ -820,6 +1430,153 @@ func_exit: return(error); } +/********************************************************************//** +Loads a table definition from a SYS_TABLES record to dict_table_t. +Does not load any columns or indexes. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_table_low( +/*================*/ + const char* name, /*!< in: table name */ + const rec_t* rec, /*!< in: SYS_TABLES record */ + dict_table_t** table) /*!< out,own: table, or NULL */ +{ + const byte* field; + ulint len; + ulint space; + ulint n_cols; + ulint flags; + + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { + return("delete-marked record in SYS_TABLES"); + } + + if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 10)) { + return("wrong number of columns in SYS_TABLES record"); + } + + rec_get_nth_field_offs_old(rec, 0/*NAME*/, &len); + if (UNIV_UNLIKELY(len < 1 || len == UNIV_SQL_NULL)) { +err_len: + return("incorrect column length in SYS_TABLES"); + } + rec_get_nth_field_offs_old(rec, 1/*DB_TRX_ID*/, &len); + if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + rec_get_nth_field_offs_old(rec, 2/*DB_ROLL_PTR*/, &len); + if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) { + goto err_len; + } + + rec_get_nth_field_offs_old(rec, 3/*ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + n_cols = mach_read_from_4(field); + + rec_get_nth_field_offs_old(rec, 5/*TYPE*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + rec_get_nth_field_offs_old(rec, 6/*MIX_ID*/, &len); + if (UNIV_UNLIKELY(len != 8)) { + goto err_len; + } + + rec_get_nth_field_offs_old(rec, 7/*MIX_LEN*/, &len); + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + rec_get_nth_field_offs_old(rec, 8/*CLUSTER_ID*/, &len); + if (UNIV_UNLIKELY(len != UNIV_SQL_NULL)) { + goto err_len; + } + + field = rec_get_nth_field_old(rec, 9/*SPACE*/, &len); + + if (UNIV_UNLIKELY(len != 4)) { + goto err_len; + } + + space = mach_read_from_4(field); + + /* Check if the tablespace exists and has the right name */ + if (space != 0) { + flags = dict_sys_tables_get_flags(rec); + + if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { + field = rec_get_nth_field_old(rec, 5/*TYPE*/, &len); + ut_ad(len == 4); /* this was checked earlier */ + flags = mach_read_from_4(field); + + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown type %lx.\n", + (ulong) flags); + return(NULL); + } + } else { + flags = 0; + } + + /* The high-order bit of N_COLS is the "compact format" flag. + For tables in that format, MIX_LEN may hold additional flags. */ + if (n_cols & 0x80000000UL) { + ulint flags2; + + flags |= DICT_TF_COMPACT; + + field = rec_get_nth_field_old(rec, 7, &len); + + if (UNIV_UNLIKELY(len != 4)) { + + goto err_len; + } + + flags2 = mach_read_from_4(field); + + if (flags2 & (~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT))) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Warning: table ", stderr); + ut_print_filename(stderr, name); + fprintf(stderr, "\n" + "InnoDB: in InnoDB data dictionary" + " has unknown flags %lx.\n", + (ulong) flags2); + + flags2 &= ~(~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT)); + } + + flags |= flags2 << DICT_TF2_SHIFT; + } + + /* See if the tablespace is available. */ + *table = dict_mem_table_create(name, space, n_cols & ~0x80000000UL, + flags); + + field = rec_get_nth_field_old(rec, 3/*ID*/, &len); + ut_ad(len == 8); /* this was checked earlier */ + + (*table)->id = mach_read_from_8(field); + + (*table)->ibd_file_missing = FALSE; + + return(NULL); +} + /********************************************************************//** Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads @@ -833,10 +1590,10 @@ UNIV_INTERN dict_table_t* dict_load_table( /*============*/ - const char* name) /*!< in: table name in the + const char* name, /*!< in: table name in the databasename/tablename format */ + ibool cached) /*!< in: TRUE=add to cache, FALSE=do not */ { - ibool ibd_file_missing = FALSE; dict_table_t* table; dict_table_t* sys_tables; btr_pcur_t pcur; @@ -847,10 +1604,8 @@ dict_load_table( const rec_t* rec; const byte* field; ulint len; - ulint space; - ulint n_cols; - ulint flags; ulint err; + const char* err_msg; mtr_t mtr; ut_ad(mutex_own(&(dict_sys->mutex))); @@ -862,6 +1617,11 @@ dict_load_table( sys_tables = dict_table_get_low("SYS_TABLES"); sys_index = UT_LIST_GET_FIRST(sys_tables->indexes); ut_a(!dict_table_is_comp(sys_tables)); + ut_a(name_of_col_is(sys_tables, sys_index, 3, "ID")); + ut_a(name_of_col_is(sys_tables, sys_index, 4, "N_COLS")); + ut_a(name_of_col_is(sys_tables, sys_index, 5, "TYPE")); + ut_a(name_of_col_is(sys_tables, sys_index, 7, "MIX_LEN")); + ut_a(name_of_col_is(sys_tables, sys_index, 9, "SPACE")); tuple = dtuple_create(heap, 1); dfield = dtuple_get_nth_field(tuple, 0); @@ -892,112 +1652,57 @@ err_exit: goto err_exit; } - ut_a(name_of_col_is(sys_tables, sys_index, 9, "SPACE")); + err_msg = dict_load_table_low(name, rec, &table); - field = rec_get_nth_field_old(rec, 9, &len); - space = mach_read_from_4(field); + if (err_msg) { - /* Check if the tablespace exists and has the right name */ - if (space != 0) { - flags = dict_sys_tables_get_flags(rec); - - if (UNIV_UNLIKELY(flags == ULINT_UNDEFINED)) { - field = rec_get_nth_field_old(rec, 5, &len); - flags = mach_read_from_4(field); - - ut_print_timestamp(stderr); - fputs(" InnoDB: Error: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has unknown type %lx.\n", - (ulong) flags); - goto err_exit; - } - } else { - flags = 0; + ut_print_timestamp(stderr); + fprintf(stderr, " InnoDB: %s\n", err_msg); + goto err_exit; } - ut_a(name_of_col_is(sys_tables, sys_index, 4, "N_COLS")); - - field = rec_get_nth_field_old(rec, 4, &len); - n_cols = mach_read_from_4(field); - - /* The high-order bit of N_COLS is the "compact format" flag. - For tables in that format, MIX_LEN may hold additional flags. */ - if (n_cols & 0x80000000UL) { - ulint flags2; - - flags |= DICT_TF_COMPACT; - - ut_a(name_of_col_is(sys_tables, sys_index, 7, "MIX_LEN")); - field = rec_get_nth_field_old(rec, 7, &len); - - flags2 = mach_read_from_4(field); - - if (flags2 & (~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT))) { - ut_print_timestamp(stderr); - fputs(" InnoDB: Warning: table ", stderr); - ut_print_filename(stderr, name); - fprintf(stderr, "\n" - "InnoDB: in InnoDB data dictionary" - " has unknown flags %lx.\n", - (ulong) flags2); - - flags2 &= ~(~0 << (DICT_TF2_BITS - DICT_TF2_SHIFT)); - } - - flags |= flags2 << DICT_TF2_SHIFT; - } - - /* See if the tablespace is available. */ - if (space == 0) { + if (table->space == 0) { /* The system tablespace is always available. */ } else if (!fil_space_for_table_exists_in_mem( - space, name, - (flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY, + table->space, name, + (table->flags >> DICT_TF2_SHIFT) + & DICT_TF2_TEMPORARY, FALSE, FALSE)) { - if ((flags >> DICT_TF2_SHIFT) & DICT_TF2_TEMPORARY) { + if (table->flags & (DICT_TF2_TEMPORARY << DICT_TF2_SHIFT)) { /* Do not bother to retry opening temporary tables. */ - ibd_file_missing = TRUE; + table->ibd_file_missing = TRUE; } else { ut_print_timestamp(stderr); fprintf(stderr, - " InnoDB: error: space object of table"); + " InnoDB: error: space object of table "); ut_print_filename(stderr, name); fprintf(stderr, ",\n" "InnoDB: space id %lu did not exist in memory." " Retrying an open.\n", - (ulong) space); + (ulong) table->space); /* Try to open the tablespace */ if (!fil_open_single_table_tablespace( - TRUE, space, - flags & ~(~0 << DICT_TF_BITS), name)) { + TRUE, table->space, + table->flags & ~(~0 << DICT_TF_BITS), name)) { /* We failed to find a sensible tablespace file */ - ibd_file_missing = TRUE; + table->ibd_file_missing = TRUE; } } } - table = dict_mem_table_create(name, space, n_cols & ~0x80000000UL, - flags); - - table->ibd_file_missing = (unsigned int) ibd_file_missing; - - ut_a(name_of_col_is(sys_tables, sys_index, 3, "ID")); - - field = rec_get_nth_field_old(rec, 3, &len); - table->id = mach_read_from_8(field); - btr_pcur_close(&pcur); mtr_commit(&mtr); dict_load_columns(table, heap); - dict_table_add_to_cache(table, heap); + if (cached) { + dict_table_add_to_cache(table, heap); + } else { + dict_table_add_system_columns(table, heap); + } mem_heap_empty(heap); @@ -1007,7 +1712,8 @@ err_exit: of the error condition, since the user may want to dump data from the clustered index. However we load the foreign key information only if all indexes were loaded. */ - if (err == DB_SUCCESS) { + if (!cached) { + } else if (err == DB_SUCCESS) { err = dict_load_foreigns(table->name, TRUE); } else if (!srv_force_recovery) { dict_table_remove_from_cache(table); @@ -1124,7 +1830,8 @@ dict_load_table_on_id( /* Now we get the table name from the record */ field = rec_get_nth_field_old(rec, 1, &len); /* Load the table definition to memory */ - table = dict_load_table(mem_heap_strdupl(heap, (char*) field, len)); + table = dict_load_table(mem_heap_strdupl(heap, (char*) field, len), + TRUE); btr_pcur_close(&pcur); mtr_commit(&mtr); diff --git a/storage/innobase/dict/dict0mem.c b/storage/innobase/dict/dict0mem.c index b2f58fbc63f..b6e516783c7 100644 --- a/storage/innobase/dict/dict0mem.c +++ b/storage/innobase/dict/dict0mem.c @@ -177,10 +177,6 @@ dict_mem_table_add_col( ulint len) /*!< in: precision */ { dict_col_t* col; -#ifndef UNIV_HOTBACKUP - ulint mbminlen; - ulint mbmaxlen; -#endif /* !UNIV_HOTBACKUP */ ulint i; ut_ad(table); @@ -205,19 +201,7 @@ dict_mem_table_add_col( col = dict_table_get_nth_col(table, i); - col->ind = (unsigned int) i; - col->ord_part = 0; - - col->mtype = (unsigned int) mtype; - col->prtype = (unsigned int) prtype; - col->len = (unsigned int) len; - -#ifndef UNIV_HOTBACKUP - dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen); - - col->mbminlen = (unsigned int) mbminlen; - col->mbmaxlen = (unsigned int) mbmaxlen; -#endif /* !UNIV_HOTBACKUP */ + dict_mem_fill_column_struct(col, i, mtype, prtype, len); } /**********************************************************************//** @@ -244,22 +228,9 @@ dict_mem_index_create( heap = mem_heap_create(DICT_HEAP_SIZE); index = mem_heap_zalloc(heap, sizeof(dict_index_t)); - index->heap = heap; + dict_mem_fill_index_struct(index, heap, table_name, index_name, + space, type, n_fields); - index->type = type; -#ifndef UNIV_HOTBACKUP - index->space = (unsigned int) space; -#endif /* !UNIV_HOTBACKUP */ - index->name = mem_heap_strdup(heap, index_name); - index->table_name = table_name; - index->n_fields = (unsigned int) n_fields; - index->fields = mem_heap_alloc(heap, 1 + n_fields - * sizeof(dict_field_t)); - /* The '1 +' above prevents allocation - of an empty mem block */ -#ifdef UNIV_DEBUG - index->magic_n = DICT_INDEX_MAGIC_N; -#endif /* UNIV_DEBUG */ return(index); } diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 12561c8c2a6..710841daf55 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -11105,7 +11105,15 @@ i_s_innodb_lock_waits, i_s_innodb_cmp, i_s_innodb_cmp_reset, i_s_innodb_cmpmem, -i_s_innodb_cmpmem_reset +i_s_innodb_cmpmem_reset, +i_s_innodb_sys_tables, +i_s_innodb_sys_tablestats, +i_s_innodb_sys_indexes, +i_s_innodb_sys_columns, +i_s_innodb_sys_fields, +i_s_innodb_sys_foreign, +i_s_innodb_sys_foreign_cols + mysql_declare_plugin_end; /** @brief Initialize the default value of innodb_commit_concurrency. diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index f8b3b71c804..e48ea76012d 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -36,12 +36,17 @@ Created July 18, 2007 Vasil Dimov #include extern "C" { -#include "trx0i_s.h" -#include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */ +#include "btr0pcur.h" /* for file sys_tables related info. */ +#include "btr0types.h" #include "buf0buddy.h" /* for i_s_cmpmem */ #include "buf0buf.h" /* for buf_pool and PAGE_ZIP_MIN_SIZE */ +#include "dict0load.h" /* for file sys_tables related info. */ +#include "dict0mem.h" +#include "dict0types.h" #include "ha_prototypes.h" /* for innobase_convert_name() */ #include "srv0start.h" /* for srv_was_started */ +#include "trx0i_s.h" +#include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */ } static const char plugin_author[] = "Innobase Oy"; @@ -131,7 +136,6 @@ int i_s_common_deinit( /*==============*/ void* p); /*!< in/out: table schema object */ - /*******************************************************************//** Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME field. @@ -1905,3 +1909,1660 @@ i_s_common_deinit( DBUG_RETURN(0); } + +/* Fields of the dynamic table INFORMATION_SCHEMA.SYS_TABLES */ +static ST_FIELD_INFO innodb_sys_tables_fields_info[] = +{ +#define SYS_TABLE_ID 0 + {STRUCT_FLD(field_name, "TABLE_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLE_NAME 1 + {STRUCT_FLD(field_name, "NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLE_FLAG 2 + {STRUCT_FLD(field_name, "FLAG"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLE_NUM_COLUMN 3 + {STRUCT_FLD(field_name, "N_COLS"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLE_SPACE 4 + {STRUCT_FLD(field_name, "SPACE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Populate information_schema.innodb_sys_tables table with information +from SYS_TABLES. +@return 0 on success */ +static +int +i_s_dict_fill_sys_tables( +/*=====================*/ + THD* thd, /*!< in: thread */ + dict_table_t* table, /*!< in: table */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + longlong table_id; + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_tables"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + table_id = ut_conv_dulint_to_longlong(table->id); + + OK(fields[SYS_TABLE_ID]->store(table_id)); + + OK(field_store_string(fields[SYS_TABLE_NAME], table->name)); + + OK(fields[SYS_TABLE_FLAG]->store(table->flags)); + + OK(fields[SYS_TABLE_NUM_COLUMN]->store(table->n_cols)); + + OK(fields[SYS_TABLE_SPACE]->store(table->space)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to go through each record in SYS_TABLES table, and fill the +information_schema.innodb_sys_tables table with related table information +@return 0 on success */ +static +int +i_s_sys_tables_fill_table( +/*======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_tables_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&(dict_sys->mutex)); + mtr_start(&mtr); + + rec = dict_startscan_system(&pcur, &mtr, SYS_TABLES); + + while (rec) { + const char* err_msg; + dict_table_t* table_rec; + + /* Create and populate a dict_table_t structure with + information from SYS_TABLES row */ + err_msg = dict_process_sys_tables_rec( + heap, rec, &table_rec, DICT_TABLE_LOAD_FROM_RECORD); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_tables(thd, table_rec, tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + /* Since dict_process_sys_tables_rec() is called with + DICT_TABLE_LOAD_FROM_RECORD, the table_rec is created in + dict_process_sys_tables_rec(), we will need to free it */ + if (table_rec) { + dict_mem_table_free(table_rec); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_tables +@return 0 on success */ +static +int +innodb_sys_tables_init( +/*===================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_tables_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_tables_fields_info; + schema->fill_table = i_s_sys_tables_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_tables = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_TABLES"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_TABLES"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_tables_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.SYS_TABLESTATS */ +static ST_FIELD_INFO innodb_sys_tablestats_fields_info[] = +{ +#define SYS_TABLESTATS_ID 0 + {STRUCT_FLD(field_name, "TABLE_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_NAME 1 + {STRUCT_FLD(field_name, "NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_INIT 2 + {STRUCT_FLD(field_name, "STATS_INITIALIZED"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_NROW 3 + {STRUCT_FLD(field_name, "NUM_ROWS"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_CLUST_SIZE 4 + {STRUCT_FLD(field_name, "CLUST_INDEX_SIZE"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_INDEX_SIZE 5 + {STRUCT_FLD(field_name, "OTHER_INDEX_SIZE"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_MODIFIED 6 + {STRUCT_FLD(field_name, "MODIFIED_COUNTER"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_AUTONINC 7 + {STRUCT_FLD(field_name, "AUTOINC"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_TABLESTATS_MYSQL_OPEN_HANDLE 8 + {STRUCT_FLD(field_name, "MYSQL_HANDLES_OPENED"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Populate information_schema.innodb_sys_tablestats table with information +from SYS_TABLES. +@return 0 on success */ +static +int +i_s_dict_fill_sys_tablestats( +/*=========================*/ + THD* thd, /*!< in: thread */ + dict_table_t* table, /*!< in: table */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + longlong table_id; + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_tablestats"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + table_id = ut_conv_dulint_to_longlong(table->id); + + OK(fields[SYS_TABLESTATS_ID]->store(table_id)); + + OK(field_store_string(fields[SYS_TABLESTATS_NAME], table->name)); + + if (table->stat_initialized) { + OK(field_store_string(fields[SYS_TABLESTATS_INIT], + "Initialized")); + } else { + OK(field_store_string(fields[SYS_TABLESTATS_INIT], + "Uninitialized")); + } + + OK(fields[SYS_TABLESTATS_NROW]->store(table->stat_n_rows)); + + OK(fields[SYS_TABLESTATS_CLUST_SIZE]->store( + table->stat_clustered_index_size)); + + OK(fields[SYS_TABLESTATS_INDEX_SIZE]->store( + table->stat_sum_of_other_index_sizes)); + + OK(fields[SYS_TABLESTATS_MODIFIED]->store( + table->stat_modified_counter)); + + OK(fields[SYS_TABLESTATS_AUTONINC]->store(table->autoinc)); + + OK(fields[SYS_TABLESTATS_MYSQL_OPEN_HANDLE]->store( + table->n_mysql_handles_opened)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to go through each record in SYS_TABLES table, and fill the +information_schema.innodb_sys_tablestats table with table statistics +related information +@return 0 on success */ +static +int +i_s_sys_tables_fill_table_stats( +/*============================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_tables_fill_table_stats"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + rec = dict_startscan_system(&pcur, &mtr, SYS_TABLES); + + while (rec) { + const char* err_msg; + dict_table_t* table_rec; + + /* Fetch the dict_table_t structure corresponding to + this SYS_TABLES record */ + err_msg = dict_process_sys_tables_rec( + heap, rec, &table_rec, DICT_TABLE_LOAD_FROM_CACHE); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_tablestats(thd, table_rec, + tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} + +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_tablestats +@return 0 on success */ +static +int +innodb_sys_tablestats_init( +/*=======================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_tablestats_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_tablestats_fields_info; + schema->fill_table = i_s_sys_tables_fill_table_stats; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_tablestats = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_TABLESTATS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_TABLESTATS"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_tablestats_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.SYS_INDEXES */ +static ST_FIELD_INFO innodb_sysindex_fields_info[] = +{ +#define SYS_INDEX_ID 0 + {STRUCT_FLD(field_name, "INDEX_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_NAME 1 + {STRUCT_FLD(field_name, "NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_TABLE_ID 2 + {STRUCT_FLD(field_name, "TABLE_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_TYPE 3 + {STRUCT_FLD(field_name, "TYPE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_NUM_FIELDS 4 + {STRUCT_FLD(field_name, "N_FIELDS"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_PAGE_NO 5 + {STRUCT_FLD(field_name, "PAGE_NO"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_INDEX_SPACE 6 + {STRUCT_FLD(field_name, "SPACE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Function to populate the information_schema.innodb_sys_indexes table with +collected index information +@return 0 on success */ +static +int +i_s_dict_fill_sys_indexes( +/*======================*/ + THD* thd, /*!< in: thread */ + dulint tableid, /*!< in: table id */ + dict_index_t* index, /*!< in: populated dict_index_t + struct with index info */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + longlong table_id; + longlong index_id; + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_indexes"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + table_id = ut_conv_dulint_to_longlong(tableid); + index_id = ut_conv_dulint_to_longlong(index->id); + + OK(fields[SYS_INDEX_ID]->store(index_id)); + + OK(field_store_string(fields[SYS_INDEX_NAME], index->name)); + + OK(fields[SYS_INDEX_TABLE_ID]->store(table_id)); + + OK(fields[SYS_INDEX_TYPE]->store(index->type)); + + OK(fields[SYS_INDEX_NUM_FIELDS]->store(index->n_fields)); + + OK(fields[SYS_INDEX_PAGE_NO]->store(index->page)); + + OK(fields[SYS_INDEX_SPACE]->store(index->space)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to go through each record in SYS_INDEXES table, and fill the +information_schema.innodb_sys_indexes table with related index information +@return 0 on success */ +static +int +i_s_sys_indexes_fill_table( +/*=======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_indexes_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + /* Start scan the SYS_INDEXES table */ + rec = dict_startscan_system(&pcur, &mtr, SYS_INDEXES); + + /* Process each record in the table */ + while (rec) { + const char* err_msg;; + dulint table_id; + dict_index_t index_rec; + + /* Populate a dict_index_t structure with information from + a SYS_INDEXES row */ + err_msg = dict_process_sys_indexes_rec(heap, rec, &index_rec, + &table_id); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_indexes(thd, table_id, &index_rec, + tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_indexes +@return 0 on success */ +static +int +innodb_sys_indexes_init( +/*====================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_index_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sysindex_fields_info; + schema->fill_table = i_s_sys_indexes_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_indexes = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_INDEXES"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_INDEXES"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_indexes_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.SYS_COLUMNS */ +static ST_FIELD_INFO innodb_sys_columns_fields_info[] = +{ +#define SYS_COLUMN_TABLE_ID 0 + {STRUCT_FLD(field_name, "TABLE_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_COLUMN_NAME 1 + {STRUCT_FLD(field_name, "NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_COLUMN_POSITION 2 + {STRUCT_FLD(field_name, "POS"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_COLUMN_MTYPE 3 + {STRUCT_FLD(field_name, "MTYPE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_COLUMN__PRTYPE 4 + {STRUCT_FLD(field_name, "PRTYPE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_COLUMN_COLUMN_LEN 5 + {STRUCT_FLD(field_name, "LEN"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Function to populate the information_schema.innodb_sys_columns with +related column information +@return 0 on success */ +static +int +i_s_dict_fill_sys_columns( +/*======================*/ + THD* thd, /*!< in: thread */ + dulint tableid, /*!< in: table ID */ + const char* col_name, /*!< in: column name */ + dict_col_t* column, /*!< in: dict_col_t struct holding + more column information */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + longlong table_id; + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_columns"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + table_id = ut_conv_dulint_to_longlong(tableid); + + OK(fields[SYS_COLUMN_TABLE_ID]->store(table_id)); + + OK(field_store_string(fields[SYS_COLUMN_NAME], col_name)); + + OK(fields[SYS_COLUMN_POSITION]->store(column->ind)); + + OK(fields[SYS_COLUMN_MTYPE]->store(column->mtype)); + + OK(fields[SYS_COLUMN__PRTYPE]->store(column->prtype)); + + OK(fields[SYS_COLUMN_COLUMN_LEN]->store(column->len)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to fill information_schema.innodb_sys_columns with information +collected by scanning SYS_COLUMNS table. +@return 0 on success */ +static +int +i_s_sys_columns_fill_table( +/*=======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + const char* col_name; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_columns_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + rec = dict_startscan_system(&pcur, &mtr, SYS_COLUMNS); + + while (rec) { + const char* err_msg; + dict_col_t column_rec; + dulint table_id; + + /* populate a dict_col_t structure with information from + a SYS_COLUMNS row */ + err_msg = dict_process_sys_columns_rec(heap, rec, &column_rec, + &table_id, &col_name); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_columns(thd, table_id, col_name, + &column_rec, + tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_columns +@return 0 on success */ +static +int +innodb_sys_columns_init( +/*====================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_columns_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_columns_fields_info; + schema->fill_table = i_s_sys_columns_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_columns = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_COLUMNS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_COLUMNS"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_columns_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_sys_fields */ +static ST_FIELD_INFO innodb_sys_fields_fields_info[] = +{ +#define SYS_FIELD_INDEX_ID 0 + {STRUCT_FLD(field_name, "INDEX_ID"), + STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FIELD_NAME 1 + {STRUCT_FLD(field_name, "NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FIELD_POS 2 + {STRUCT_FLD(field_name, "POS"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Function to fill information_schema.innodb_sys_fields with information +collected by scanning SYS_FIELDS table. +@return 0 on success */ +static +int +i_s_dict_fill_sys_fields( +/*=====================*/ + THD* thd, /*!< in: thread */ + dulint indexid, /*!< in: index id for the field */ + dict_field_t* field, /*!< in: table */ + ulint pos, /*!< in: Field position */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + longlong index_id; + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_fields"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + index_id = ut_conv_dulint_to_longlong(indexid); + + OK(fields[SYS_FIELD_INDEX_ID]->store(index_id)); + + OK(field_store_string(fields[SYS_FIELD_NAME], field->name)); + + OK(fields[SYS_FIELD_POS]->store(pos)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to go through each record in SYS_FIELDS table, and fill the +information_schema.innodb_sys_fields table with related index field +information +@return 0 on success */ +static +int +i_s_sys_fields_fill_table( +/*======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + dulint last_id; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_fields_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + /* will save last index id so that we know whether we move to + the next index. This is used to calculate prefix length */ + last_id = ut_dulint_create(0, 0); + + rec = dict_startscan_system(&pcur, &mtr, SYS_FIELDS); + + while (rec) { + ulint pos; + const char* err_msg; + dulint index_id; + dict_field_t field_rec; + + /* Populate a dict_field_t structure with information from + a SYS_FIELDS row */ + err_msg = dict_process_sys_fields_rec(heap, rec, &field_rec, + &pos, &index_id, last_id); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_fields(thd, index_id, &field_rec, + pos, tables->table); + last_id = index_id; + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_fields +@return 0 on success */ +static +int +innodb_sys_fields_init( +/*===================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_field_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_fields_fields_info; + schema->fill_table = i_s_sys_fields_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_fields = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_FIELDS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_FIELDS"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_fields_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_sys_foreign */ +static ST_FIELD_INFO innodb_sys_foreign_fields_info[] = +{ +#define SYS_FOREIGN_ID 0 + {STRUCT_FLD(field_name, "ID"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_FOR_NAME 1 + {STRUCT_FLD(field_name, "FOR_NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_REF_NAME 2 + {STRUCT_FLD(field_name, "REF_NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_NUM_COL 3 + {STRUCT_FLD(field_name, "N_COLS"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_TYPE 4 + {STRUCT_FLD(field_name, "TYPE"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Function to fill information_schema.innodb_sys_foreign with information +collected by scanning SYS_FOREIGN table. +@return 0 on success */ +static +int +i_s_dict_fill_sys_foreign( +/*======================*/ + THD* thd, /*!< in: thread */ + dict_foreign_t* foreign, /*!< in: table */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_foreign"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + OK(field_store_string(fields[SYS_FOREIGN_ID], foreign->id)); + + OK(field_store_string(fields[SYS_FOREIGN_FOR_NAME], + foreign->foreign_table_name)); + + OK(field_store_string(fields[SYS_FOREIGN_REF_NAME], + foreign->referenced_table_name)); + + OK(fields[SYS_FOREIGN_NUM_COL]->store(foreign->n_fields)); + + OK(fields[SYS_FOREIGN_TYPE]->store(foreign->type)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to populate INFORMATION_SCHEMA.innodb_sys_foreign table. Loop +through each record in SYS_FOREIGN, and extract the foreign key +information. +@return 0 on success */ +static +int +i_s_sys_foreign_fill_table( +/*=======================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_foreign_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + rec = dict_startscan_system(&pcur, &mtr, SYS_FOREIGN); + + while (rec) { + const char* err_msg; + dict_foreign_t foreign_rec; + + /* Populate a dict_foreign_t structure with information from + a SYS_FOREIGN row */ + err_msg = dict_process_sys_foreign_rec(heap, rec, &foreign_rec); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_foreign(thd, &foreign_rec, + tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mtr_start(&mtr); + mutex_enter(&dict_sys->mutex); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_foreign +@return 0 on success */ +static +int +innodb_sys_foreign_init( +/*====================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_foreign_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_foreign_fields_info; + schema->fill_table = i_s_sys_foreign_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_foreign = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_FOREIGN"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_FOREIGN"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_foreign_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; +/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_sys_foreign_cols */ +static ST_FIELD_INFO innodb_sys_foreign_cols_fields_info[] = +{ +#define SYS_FOREIGN_COL_ID 0 + {STRUCT_FLD(field_name, "ID"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_COL_FOR_NAME 1 + {STRUCT_FLD(field_name, "FOR_COL_NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_COL_REF_NAME 2 + {STRUCT_FLD(field_name, "REF_COL_NAME"), + STRUCT_FLD(field_length, NAME_LEN + 1), + STRUCT_FLD(field_type, MYSQL_TYPE_STRING), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, 0), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + +#define SYS_FOREIGN_COL_POS 3 + {STRUCT_FLD(field_name, "POS"), + STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS), + STRUCT_FLD(field_type, MYSQL_TYPE_LONG), + STRUCT_FLD(value, 0), + STRUCT_FLD(field_flags, MY_I_S_UNSIGNED), + STRUCT_FLD(old_name, ""), + STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}, + + END_OF_ST_FIELD_INFO +}; + +/**********************************************************************//** +Function to fill information_schema.innodb_sys_foreign_cols with information +collected by scanning SYS_FOREIGN_COLS table. +@return 0 on success */ +static +int +i_s_dict_fill_sys_foreign_cols( +/*==========================*/ + THD* thd, /*!< in: thread */ + const char* name, /*!< in: foreign key constraint name */ + const char* for_col_name, /*!< in: referencing column name*/ + const char* ref_col_name, /*!< in: referenced column + name */ + ulint pos, /*!< in: column position */ + TABLE* table_to_fill) /*!< in/out: fill this table */ +{ + Field** fields; + + DBUG_ENTER("i_s_dict_fill_sys_foreign_cols"); + + ut_ad(mutex_own(&(dict_sys->mutex))); + + fields = table_to_fill->field; + + OK(field_store_string(fields[SYS_FOREIGN_COL_ID], name)); + + OK(field_store_string(fields[SYS_FOREIGN_COL_FOR_NAME], for_col_name)); + + OK(field_store_string(fields[SYS_FOREIGN_COL_REF_NAME], ref_col_name)); + + OK(fields[SYS_FOREIGN_COL_POS]->store(pos)); + + OK(schema_table_store_record(thd, table_to_fill)); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Function to populate INFORMATION_SCHEMA.innodb_sys_foreign_cols table. Loop +through each record in SYS_FOREIGN_COLS, and extract the foreign key column +information and fill the INFORMATION_SCHEMA.innodb_sys_foreign_cols table. +@return 0 on success */ +static +int +i_s_sys_foreign_cols_fill_table( +/*============================*/ + THD* thd, /*!< in: thread */ + TABLE_LIST* tables, /*!< in/out: tables to fill */ + COND* cond) /*!< in: condition (not used) */ +{ + btr_pcur_t pcur; + const rec_t* rec; + mem_heap_t* heap; + mtr_t mtr; + + DBUG_ENTER("i_s_sys_foreign_cols_fill_table"); + + /* deny access to non-superusers */ + if (check_global_access(thd, PROCESS_ACL)) { + DBUG_RETURN(0); + } + + heap = mem_heap_create(1000); + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + + rec = dict_startscan_system(&pcur, &mtr, SYS_FOREIGN_COLS); + + while (rec) { + const char* err_msg; + const char* name; + const char* for_col_name; + const char* ref_col_name; + ulint pos; + + /* Extract necessary information from a SYS_FOREIGN_COLS row */ + err_msg = dict_process_sys_foreign_col_rec( + heap, rec, &name, &for_col_name, &ref_col_name, &pos); + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + + if (!err_msg) { + i_s_dict_fill_sys_foreign_cols( + thd, name, for_col_name, ref_col_name, pos, + tables->table); + } else { + push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_CANT_FIND_SYSTEM_REC, + err_msg); + } + + mem_heap_empty(heap); + + /* Get the next record */ + mutex_enter(&dict_sys->mutex); + mtr_start(&mtr); + rec = dict_getnext_system(&pcur, &mtr); + } + + mtr_commit(&mtr); + mutex_exit(&dict_sys->mutex); + mem_heap_free(heap); + + DBUG_RETURN(0); +} +/*******************************************************************//** +Bind the dynamic table INFORMATION_SCHEMA.innodb_sys_foreign_cols +@return 0 on success */ +static +int +innodb_sys_foreign_cols_init( +/*========================*/ + void* p) /*!< in/out: table schema object */ +{ + ST_SCHEMA_TABLE* schema; + + DBUG_ENTER("innodb_sys_foreign_cols_init"); + + schema = (ST_SCHEMA_TABLE*) p; + + schema->fields_info = innodb_sys_foreign_cols_fields_info; + schema->fill_table = i_s_sys_foreign_cols_fill_table; + + DBUG_RETURN(0); +} + +UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_foreign_cols = +{ + /* the plugin type (a MYSQL_XXX_PLUGIN value) */ + /* int */ + STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN), + + /* pointer to type-specific plugin descriptor */ + /* void* */ + STRUCT_FLD(info, &i_s_info), + + /* plugin name */ + /* const char* */ + STRUCT_FLD(name, "INNODB_SYS_FOREIGN_COLS"), + + /* plugin author (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(author, plugin_author), + + /* general descriptive text (for SHOW PLUGINS) */ + /* const char* */ + STRUCT_FLD(descr, "InnoDB SYS_FOREIGN_COLS"), + + /* the plugin license (PLUGIN_LICENSE_XXX) */ + /* int */ + STRUCT_FLD(license, PLUGIN_LICENSE_GPL), + + /* the function to invoke when plugin is loaded */ + /* int (*)(void*); */ + STRUCT_FLD(init, innodb_sys_foreign_cols_init), + + /* the function to invoke when plugin is unloaded */ + /* int (*)(void*); */ + STRUCT_FLD(deinit, i_s_common_deinit), + + /* plugin version (for SHOW PLUGINS) */ + /* unsigned int */ + STRUCT_FLD(version, INNODB_VERSION_SHORT), + + /* struct st_mysql_show_var* */ + STRUCT_FLD(status_vars, NULL), + + /* struct st_mysql_sys_var** */ + STRUCT_FLD(system_vars, NULL), + + /* reserved for dependency checking */ + /* void* */ + STRUCT_FLD(__reserved1, NULL) +}; + diff --git a/storage/innobase/handler/i_s.h b/storage/innobase/handler/i_s.h index 402c88bbedb..69f5ed9dad8 100644 --- a/storage/innobase/handler/i_s.h +++ b/storage/innobase/handler/i_s.h @@ -33,5 +33,12 @@ extern struct st_mysql_plugin i_s_innodb_cmp; extern struct st_mysql_plugin i_s_innodb_cmp_reset; extern struct st_mysql_plugin i_s_innodb_cmpmem; extern struct st_mysql_plugin i_s_innodb_cmpmem_reset; +extern struct st_mysql_plugin i_s_innodb_sys_tables; +extern struct st_mysql_plugin i_s_innodb_sys_tablestats; +extern struct st_mysql_plugin i_s_innodb_sys_indexes; +extern struct st_mysql_plugin i_s_innodb_sys_columns; +extern struct st_mysql_plugin i_s_innodb_sys_fields; +extern struct st_mysql_plugin i_s_innodb_sys_foreign; +extern struct st_mysql_plugin i_s_innodb_sys_foreign_cols; #endif /* i_s_h */ diff --git a/storage/innobase/include/dict0dict.ic b/storage/innobase/include/dict0dict.ic index 46e78df8272..93c3f8d4733 100644 --- a/storage/innobase/include/dict0dict.ic +++ b/storage/innobase/include/dict0dict.ic @@ -765,7 +765,7 @@ dict_table_get_low( table = dict_table_check_if_in_cache_low(table_name); if (table == NULL) { - table = dict_load_table(table_name); + table = dict_load_table(table_name, TRUE); } ut_ad(!table || table->cached); diff --git a/storage/innobase/include/dict0load.h b/storage/innobase/include/dict0load.h index 60b8c1fb632..d85f8f7fc3e 100644 --- a/storage/innobase/include/dict0load.h +++ b/storage/innobase/include/dict0load.h @@ -31,6 +31,35 @@ Created 4/24/1996 Heikki Tuuri #include "dict0types.h" #include "ut0byte.h" #include "mem0mem.h" +#include "btr0types.h" + +/** enum that defines all 6 system table IDs */ +enum dict_system_table_id { + SYS_TABLES = 0, + SYS_INDEXES, + SYS_COLUMNS, + SYS_FIELDS, + SYS_FOREIGN, + SYS_FOREIGN_COLS, + + /* This must be last item. Defines the number of system tables. */ + SYS_NUM_SYSTEM_TABLES +}; + +typedef enum dict_system_table_id dict_system_id_t; + +/** Status bit for dict_process_sys_tables_rec() */ +enum dict_table_info { + DICT_TABLE_LOAD_FROM_RECORD = 0,/*!< Directly populate a dict_table_t + structure with information from + a SYS_TABLES record */ + DICT_TABLE_LOAD_FROM_CACHE = 1, /*!< Check first whether dict_table_t + is in the cache, if so, return it */ + DICT_TABLE_UPDATE_STATS = 2 /*!< whether to update statistics + when loading SYS_TABLES information. */ +}; + +typedef enum dict_table_info dict_table_info_t; /********************************************************************//** In a crash recovery we already have all the tablespace objects created. @@ -54,6 +83,74 @@ char* dict_get_first_table_name_in_db( /*============================*/ const char* name); /*!< in: database name which ends to '/' */ + +/********************************************************************//** +Loads a table definition from a SYS_TABLES record to dict_table_t. +Does not load any columns or indexes. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_table_low( +/*================*/ + const char* name, /*!< in: table name */ + const rec_t* rec, /*!< in: SYS_TABLES record */ + dict_table_t** table); /*!< out,own: table, or NULL */ +/********************************************************************//** +Loads a table column definition from a SYS_COLUMNS record to +dict_table_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_column_low( +/*=================*/ + dict_table_t* table, /*!< in/out: table, could be NULL + if we just populate a dict_column_t + struct with information from + a SYS_COLUMNS record */ + mem_heap_t* heap, /*!< in/out: memory heap + for temporary storage */ + dict_col_t* column, /*!< out: dict_column_t to fill */ + dulint* table_id, /*!< out: table id */ + const char** col_name, /*!< out: column name */ + const rec_t* rec); /*!< in: SYS_COLUMNS record */ +/********************************************************************//** +Loads an index definition from a SYS_INDEXES record to dict_index_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_index_low( +/*================*/ + byte* table_id, /*!< in/out: table id (8 bytes_, + an "in" value if cached=TRUE + and "out" when cached=FALSE */ + const char* table_name, /*!< in: table name */ + mem_heap_t* heap, /*!< in/out: temporary memory heap */ + const rec_t* rec, /*!< in: SYS_INDEXES record */ + ibool cached, /*!< in: TRUE = add to cache + FALSE = do not */ + dict_index_t** index); /*!< out,own: index, or NULL */ +/********************************************************************//** +Loads an index field definition from a SYS_FIELDS record to +dict_index_t. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_load_field_low( +/*================*/ + byte* index_id, /*!< in/out: index id (8 bytes) + an "in" value if index != NULL + and "out" if index == NULL */ + dict_index_t* index, /*!< in/out: index, could be NULL + if we just populate a dict_field_t + struct with information from + a SYS_FIELDS record */ + dict_field_t* sys_field, /*!< out: dict_field_t to be + filled */ + ulint* pos, /*!< out: Field position */ + byte* last_index_id, /*!< in: last index id */ + mem_heap_t* heap, /*!< in/out: memory heap + for temporary storage */ + const rec_t* rec); /*!< in: SYS_FIELDS record */ /********************************************************************//** Loads a table definition and also all its index definitions, and also the cluster definition if the table is a member in a cluster. Also loads @@ -66,8 +163,9 @@ UNIV_INTERN dict_table_t* dict_load_table( /*============*/ - const char* name); /*!< in: table name in the + const char* name, /*!< in: table name in the databasename/tablename format */ + ibool cached);/*!< in: TRUE=add to cache, FALSE=do not */ /***********************************************************************//** Loads a table object based on the table id. @return table; NULL if table does not exist */ @@ -107,7 +205,113 @@ void dict_print(void); /*============*/ - +/********************************************************************//** +This function opens a system table, and return the first record. +@return first record of the system table */ +UNIV_INTERN +const rec_t* +dict_startscan_system( +/*==================*/ + btr_pcur_t* pcur, /*!< out: persistent cursor to + the record */ + mtr_t* mtr, /*!< in: the mini-transaction */ + dict_system_id_t system_id); /*!< in: which system table to open */ +/********************************************************************//** +This function get the next system table record as we scan the table. +@return the record if found, NULL if end of scan. */ +UNIV_INTERN +const rec_t* +dict_getnext_system( +/*================*/ + btr_pcur_t* pcur, /*!< in/out: persistent cursor + to the record */ + mtr_t* mtr); /*!< in: the mini-transaction */ +/********************************************************************//** +This function processes one SYS_TABLES record and populate the dict_table_t +struct for the table. Extracted out of dict_print() to be used by +both monitor table output and information schema innodb_sys_tables output. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_tables_rec( +/*========================*/ + mem_heap_t* heap, /*!< in: temporary memory heap */ + const rec_t* rec, /*!< in: SYS_TABLES record */ + dict_table_t** table, /*!< out: dict_table_t to fill */ + dict_table_info_t status); /*!< in: status bit controls + options such as whether we shall + look for dict_table_t from cache + first */ +/********************************************************************//** +This function parses a SYS_INDEXES record and populate a dict_index_t +structure with the information from the record. For detail information +about SYS_INDEXES fields, please refer to dict_boot() function. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_indexes_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_INDEXES rec */ + dict_index_t* index, /*!< out: dict_index_t to be + filled */ + dulint* table_id); /*!< out: table id */ +/********************************************************************//** +This function parses a SYS_COLUMNS record and populate a dict_column_t +structure with the information from the record. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_columns_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_COLUMNS rec */ + dict_col_t* column, /*!< out: dict_col_t to be filled */ + dulint* table_id, /*!< out: table id */ + const char** col_name); /*!< out: column name */ +/********************************************************************//** +This function parses a SYS_FIELDS record and populate a dict_field_t +structure with the information from the record. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_fields_rec( +/*========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FIELDS rec */ + dict_field_t* sys_field, /*!< out: dict_field_t to be + filled */ + ulint* pos, /*!< out: Field position */ + dulint* index_id, /*!< out: current index id */ + dulint last_id); /*!< in: previous index id */ +/********************************************************************//** +This function parses a SYS_FOREIGN record and populate a dict_foreign_t +structure with the information from the record. For detail information +about SYS_FOREIGN fields, please refer to dict_load_foreign() function +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_foreign_rec( +/*=========================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FOREIGN rec */ + dict_foreign_t* foreign); /*!< out: dict_foreign_t to be + filled */ +/********************************************************************//** +This function parses a SYS_FOREIGN_COLS record and extract necessary +information from the record and return to caller. +@return error message, or NULL on success */ +UNIV_INTERN +const char* +dict_process_sys_foreign_col_rec( +/*=============================*/ + mem_heap_t* heap, /*!< in/out: heap memory */ + const rec_t* rec, /*!< in: current SYS_FOREIGN_COLS rec */ + const char** name, /*!< out: foreign key constraint name */ + const char** for_col_name, /*!< out: referencing column name */ + const char** ref_col_name, /*!< out: referenced column name + in referenced table */ + ulint* pos); /*!< out: column position */ #ifndef UNIV_NONINL #include "dict0load.ic" #endif diff --git a/storage/innobase/include/dict0mem.h b/storage/innobase/include/dict0mem.h index e63fe920daa..f93b2f8c8a3 100644 --- a/storage/innobase/include/dict0mem.h +++ b/storage/innobase/include/dict0mem.h @@ -147,6 +147,36 @@ dict_mem_table_add_col( ulint prtype, /*!< in: precise type */ ulint len); /*!< in: precision */ /**********************************************************************//** +This function poplulates a dict_col_t memory structure with +supplied information. */ +UNIV_INLINE +void +dict_mem_fill_column_struct( +/*========================*/ + dict_col_t* column, /*!< out: column struct to be + filled */ + ulint col_pos, /*!< in: column position */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint col_len); /*!< in: column lenght */ +/**********************************************************************//** +This function poplulates a dict_index_t index memory structure with +supplied information. */ +UNIV_INLINE +void +dict_mem_fill_index_struct( +/*=======================*/ + dict_index_t* index, /*!< out: index to be filled */ + mem_heap_t* heap, /*!< in: memory heap */ + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is + placed, ignored if the index is of + the clustered type */ + ulint type, /*!< in: DICT_UNIQUE, + DICT_CLUSTERED, ... ORed */ + ulint n_fields); /*!< in: number of fields */ +/**********************************************************************//** Creates an index memory object. @return own: index object */ UNIV_INTERN diff --git a/storage/innobase/include/dict0mem.ic b/storage/innobase/include/dict0mem.ic index c36adb07a18..5a851da5640 100644 --- a/storage/innobase/include/dict0mem.ic +++ b/storage/innobase/include/dict0mem.ic @@ -23,4 +23,82 @@ Data dictionary memory object creation Created 1/8/1996 Heikki Tuuri ***********************************************************************/ +#include "data0type.h" +#include "dict0mem.h" +#include "fil0fil.h" +/**********************************************************************//** +This function poplulates a dict_index_t index memory structure with +supplied information. */ +UNIV_INLINE +void +dict_mem_fill_index_struct( +/*=======================*/ + dict_index_t* index, /*!< out: index to be filled */ + mem_heap_t* heap, /*!< in: memory heap */ + const char* table_name, /*!< in: table name */ + const char* index_name, /*!< in: index name */ + ulint space, /*!< in: space where the index tree is + placed, ignored if the index is of + the clustered type */ + ulint type, /*!< in: DICT_UNIQUE, + DICT_CLUSTERED, ... ORed */ + ulint n_fields) /*!< in: number of fields */ +{ + + if (heap) { + index->heap = heap; + index->name = mem_heap_strdup(heap, index_name); + index->fields = (dict_field_t*) mem_heap_alloc( + heap, 1 + n_fields * sizeof(dict_field_t)); + } else { + index->name = index_name; + index->heap = NULL; + index->fields = NULL; + } + + index->type = type; +#ifndef UNIV_HOTBACKUP + index->space = (unsigned int) space; + index->page = FIL_NULL; +#endif /* !UNIV_HOTBACKUP */ + index->table_name = table_name; + index->n_fields = (unsigned int) n_fields; + /* The '1 +' above prevents allocation + of an empty mem block */ +#ifdef UNIV_DEBUG + index->magic_n = DICT_INDEX_MAGIC_N; +#endif /* UNIV_DEBUG */ +} + +/**********************************************************************//** +This function poplulates a dict_col_t memory structure with +supplied information. */ +UNIV_INLINE +void +dict_mem_fill_column_struct( +/*========================*/ + dict_col_t* column, /*!< out: column struct to be + filled */ + ulint col_pos, /*!< in: column position */ + ulint mtype, /*!< in: main data type */ + ulint prtype, /*!< in: precise type */ + ulint col_len) /*!< in: column lenght */ +{ +#ifndef UNIV_HOTBACKUP + ulint mbminlen; + ulint mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ + + column->ind = (unsigned int) col_pos; + column->ord_part = 0; + column->mtype = (unsigned int) mtype; + column->prtype = (unsigned int) prtype; + column->len = (unsigned int) col_len; +#ifndef UNIV_HOTBACKUP + dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen); + + column->mbminlen = (unsigned int) mbminlen; + column->mbmaxlen = (unsigned int) mbmaxlen; +#endif /* !UNIV_HOTBACKUP */ +} diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index a98dd8d2900..cc2bd415163 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -3285,7 +3285,7 @@ check_next_foreign: dict_table_remove_from_cache(table); - if (dict_load_table(name) != NULL) { + if (dict_load_table(name, TRUE) != NULL) { ut_print_timestamp(stderr); fputs(" InnoDB: Error: not able to remove table ", stderr); @@ -3431,7 +3431,7 @@ row_mysql_drop_temp_tables(void) btr_pcur_store_position(&pcur, &mtr); btr_pcur_commit_specify_mtr(&pcur, &mtr); - table = dict_load_table(table_name); + table = dict_load_table(table_name, TRUE); if (table) { row_drop_table_for_mysql(table_name, trx, FALSE); From b3259e93ea319fd8b761141fd849b3a2b70098cf Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Wed, 26 May 2010 09:56:55 +0200 Subject: [PATCH 343/400] pre push fix of test results --- mysql-test/r/information_schema_part.result | 14 ++--- mysql-test/r/partition_column.result | 70 ++++++++++----------- 2 files changed, 42 insertions(+), 42 deletions(-) diff --git a/mysql-test/r/information_schema_part.result b/mysql-test/r/information_schema_part.result index 11c57ceb2c2..b34183ebdee 100644 --- a/mysql-test/r/information_schema_part.result +++ b/mysql-test/r/information_schema_part.result @@ -37,9 +37,9 @@ partitions 3; select * from information_schema.partitions where table_schema="test" and table_name="t4"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME -def test t4 p0 NULL 1 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL -def test t4 p1 NULL 2 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL -def test t4 p2 NULL 3 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL +def test t4 p0 NULL 1 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL +def test t4 p1 NULL 2 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL +def test t4 p2 NULL 3 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL drop table t1,t2,t3,t4; create table t1 (a int not null,b int not null,c int not null,primary key (a,b)) partition by range (a) @@ -67,10 +67,10 @@ def test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default def test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default t2 def test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t1 def test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t2 -def test t2 x1 x11 1 1 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default t1 -def test t2 x1 x12 1 2 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default t2 -def test t2 x2 x21 2 1 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default t1 -def test t2 x2 x22 2 2 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default t2 +def test t2 x1 x11 1 1 RANGE KEY a `a` 1 0 0 0 # 1024 0 # # NULL NULL default t1 +def test t2 x1 x12 1 2 RANGE KEY a `a` 1 0 0 0 # 1024 0 # # NULL NULL default t2 +def test t2 x2 x21 2 1 RANGE KEY a `a` 5 0 0 0 # 1024 0 # # NULL NULL default t1 +def test t2 x2 x22 2 2 RANGE KEY a `a` 5 0 0 0 # 1024 0 # # NULL NULL default t2 drop table t1,t2; create table t1 ( a int not null, diff --git a/mysql-test/r/partition_column.result b/mysql-test/r/partition_column.result index 506803238fe..7b45ffcb0de 100644 --- a/mysql-test/r/partition_column.result +++ b/mysql-test/r/partition_column.result @@ -208,22 +208,22 @@ partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE)); select partition_method, partition_expression, partition_description from information_schema.partitions where table_name = "t1"; partition_method partition_expression partition_description -RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01' -RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01' -RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01' -RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01' -RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01' -RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01' -RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01' -RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01' -RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,'b',MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE -RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'0',MAXVALUE,'1900-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'0',MAXVALUE,'1900-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'0',MAXVALUE,'1900-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'0',MAXVALUE,'1900-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'a',MAXVALUE,'1999-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'a',MAXVALUE,'1999-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'a',MAXVALUE,'1999-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'a',MAXVALUE,'1999-01-01' +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'b',MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'b',MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'b',MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,'b',MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,MAXVALUE,MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,MAXVALUE,MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,MAXVALUE,MAXVALUE,MAXVALUE +RANGE COLUMNS `a`,`b`,`c`,`d` 1,MAXVALUE,MAXVALUE,MAXVALUE show create table t1; Table Create Table t1 CREATE TABLE `t1` ( @@ -306,9 +306,9 @@ partition p2 values in ((3, NULL), (NULL, 1))); select partition_method, partition_expression, partition_description from information_schema.partitions where table_name = "t1"; partition_method partition_expression partition_description -LIST COLUMNS a,b (1,NULL),(2,NULL),(NULL,NULL) -LIST COLUMNS a,b (1,1),(2,2) -LIST COLUMNS a,b (3,NULL),(NULL,1) +LIST COLUMNS `a`,`b` (1,NULL),(2,NULL),(NULL,NULL) +LIST COLUMNS `a`,`b` (1,1),(2,2) +LIST COLUMNS `a`,`b` (3,NULL),(NULL,1) show create table t1; Table Create Table t1 CREATE TABLE `t1` ( @@ -396,8 +396,8 @@ partition p1 values in (4, NULL, 3)); select partition_method, partition_expression, partition_description from information_schema.partitions where table_name = "t1"; partition_method partition_expression partition_description -LIST COLUMNS a 2,1 -LIST COLUMNS a 4,NULL,3 +LIST COLUMNS `a` 2,1 +LIST COLUMNS `a` 4,NULL,3 show create table t1; Table Create Table t1 CREATE TABLE `t1` ( @@ -433,18 +433,18 @@ partition p3 values less than (4,'abc','abc')); select partition_method, partition_expression, partition_description from information_schema.partitions where table_name = "t1"; partition_method partition_expression partition_description -RANGE COLUMNS a,b,c 1,'abc','abc' -RANGE COLUMNS a,b,c 1,'abc','abc' -RANGE COLUMNS a,b,c 1,'abc','abc' -RANGE COLUMNS a,b,c 2,'abc','abc' -RANGE COLUMNS a,b,c 2,'abc','abc' -RANGE COLUMNS a,b,c 2,'abc','abc' -RANGE COLUMNS a,b,c 3,'abc','abc' -RANGE COLUMNS a,b,c 3,'abc','abc' -RANGE COLUMNS a,b,c 3,'abc','abc' -RANGE COLUMNS a,b,c 4,'abc','abc' -RANGE COLUMNS a,b,c 4,'abc','abc' -RANGE COLUMNS a,b,c 4,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 1,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 1,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 1,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 2,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 2,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 2,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 3,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 3,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 3,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 4,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 4,'abc','abc' +RANGE COLUMNS `a`,`b`,`c` 4,'abc','abc' show create table t1; Table Create Table t1 CREATE TABLE `t1` ( @@ -477,8 +477,8 @@ partition p1 values less than (1, 'B', 1)); select partition_method, partition_expression, partition_description from information_schema.partitions where table_name = "t1"; partition_method partition_expression partition_description -RANGE COLUMNS a,b,c 1,'A',1 -RANGE COLUMNS a,b,c 1,'B',1 +RANGE COLUMNS `a`,`b`,`c` 1,'A',1 +RANGE COLUMNS `a`,`b`,`c` 1,'B',1 show create table t1; Table Create Table t1 CREATE TABLE `t1` ( From 34c7685b247d851d1c7a3b5ebb98aeda61e6e4c7 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Wed, 26 May 2010 14:20:14 +0400 Subject: [PATCH 344/400] Patch for Bug#53937 (Junk make-ccc files included in MySQL Server bzr repo). Remove make-ccc files. --- mysys/make-ccc | 4 ---- regex/make-ccc | 3 --- storage/heap/make-ccc | 4 ---- storage/myisam/make-ccc | 5 ----- storage/myisammrg/make-ccc | 3 --- strings/make-ccc | 3 --- 6 files changed, 22 deletions(-) delete mode 100755 mysys/make-ccc delete mode 100755 regex/make-ccc delete mode 100755 storage/heap/make-ccc delete mode 100755 storage/myisam/make-ccc delete mode 100755 storage/myisammrg/make-ccc delete mode 100755 strings/make-ccc diff --git a/mysys/make-ccc b/mysys/make-ccc deleted file mode 100755 index b34bd80e1d1..00000000000 --- a/mysys/make-ccc +++ /dev/null @@ -1,4 +0,0 @@ -rm -f .deps/* raid.o mf_iocache.o libmysys.a -ccc -DDEFAULT_BASEDIR="\"/usr/local/mysql\"" -DDATADIR="\"/usr/local/mysql/var\"" -DHAVE_CONFIG_H -I./../include -I../include -I.. -DDBUG_OFF -fast -O3 -fomit-frame-pointer -c array.c checksum.c default.c errors.c getopt.c getopt1.c getvar.c hash.c list.c mf_brkhant.c mf_cache.c mf_casecnv.c mf_dirname.c mf_fn_ext.c mf_format.c mf_getdate.c mf_keycache.c mf_loadpath.c mf_pack.c mf_pack2.c mf_path.c mf_qsort.c mf_qsort2.c mf_radix.c mf_reccache.c mf_same.c mf_sort.c mf_soundex.c mf_stripp.c mf_unixpath.c mf_wcomp.c mf_wfile.c mulalloc.c my_alarm.c my_alloc.c my_append.c my_chsize.c my_clock.c my_compress.c my_copy.c my_create.c my_delete.c my_div.c my_error.c my_fopen.c my_fstream.c my_getwd.c my_init.c my_lib.c my_lockmem.c my_malloc.c my_messnc.c my_mkdir.c my_net.c my_once.c my_open.c my_pread.c my_pthread.c my_quick.c my_read.c my_realloc.c my_redel.c my_rename.c my_seek.c my_static.c my_tempnam.c my_thr_init.c my_write.c ptr_cmp.c queues.c safemalloc.c string.c thr_alarm.c thr_lock.c thr_mutex.c thr_rwlock.c tree.c typelib.c -make raid.o mf_iocache.o my_lock.o -ar -cr libmysys.a array.o raid.o mf_iocache.o my_lock.o diff --git a/regex/make-ccc b/regex/make-ccc deleted file mode 100755 index 561c5a9bddc..00000000000 --- a/regex/make-ccc +++ /dev/null @@ -1,3 +0,0 @@ -ccc -DHAVE_CONFIG_H -I. -I. -I.. -I./../include -I../include -O -DDBUG_OFF -fast -O3 -c regerror.c regcomp.c regexec.c regfree.c reginit.c -rm libregex.a -ar -cr libregex.a regerror.o diff --git a/storage/heap/make-ccc b/storage/heap/make-ccc deleted file mode 100755 index 192647298ad..00000000000 --- a/storage/heap/make-ccc +++ /dev/null @@ -1,4 +0,0 @@ -ccc -I./../include -I../include -DDBUG_OFF -fast -O3 -c _check.c _rectest.c hp_block.c hp_clear.c hp_close.c hp_create.c hp_delete.c hp_extra.c hp_hash.c hp_info.c hp_open.c hp_panic.c hp_rename.c hp_rfirst.c hp_rkey.c hp_rlast.c hp_rnext.c hp_rprev.c hp_rrnd.c hp_rsame.c hp_scan.c hp_static.c hp_update.c hp_write.c -rm libheap.a -ar -cr libheap.a _check.o - diff --git a/storage/myisam/make-ccc b/storage/myisam/make-ccc deleted file mode 100755 index 6d1303729db..00000000000 --- a/storage/myisam/make-ccc +++ /dev/null @@ -1,5 +0,0 @@ -rm -f .deps/*.P -ccc -DMAP_TO_USE_RAID -I./../include -I../include -DDBUG_OFF -fast -O3 -c mi_cache.c mi_changed.c mi_checksum.c mi_close.c mi_create.c mi_dbug.c mi_delete.c mi_delete_all.c mi_delete_table.c mi_dynrec.c mi_extra.c mi_info.c mi_key.c mi_locking.c mi_log.c mi_open.c mi_packrec.c mi_page.c mi_panic.c mi_range.c mi_rename.c mi_rfirst.c mi_rkey.c mi_rlast.c mi_rnext.c mi_rnext_same.c mi_rprev.c mi_rrnd.c mi_rsame.c mi_rsamepos.c mi_scan.c mi_search.c mi_static.c mi_statrec.c mi_unique.c mi_update.c mi_write.c ft_update.c ft_search.o ft_stem.o ft_stopwords.c ft_parser.c -make sort.o mi_check.o -rm libmyisam.a -ar -cr libmyisam.a mi_cache.o sort.o mi_check.o diff --git a/storage/myisammrg/make-ccc b/storage/myisammrg/make-ccc deleted file mode 100755 index a7e3dfc3cdb..00000000000 --- a/storage/myisammrg/make-ccc +++ /dev/null @@ -1,3 +0,0 @@ -ccc -I./../include -I../include -DDBUG_OFF -fast -O3 -c myrg_close.c myrg_create.c myrg_delete.c myrg_extra.c myrg_info.c myrg_locking.c myrg_open.c myrg_panic.c myrg_rrnd.c myrg_rsame.c myrg_static.c myrg_update.c -rm libmyisammrg.a -ar -cr libmyisammrg.a myrg_close.o diff --git a/strings/make-ccc b/strings/make-ccc deleted file mode 100755 index 78d5ad1ce42..00000000000 --- a/strings/make-ccc +++ /dev/null @@ -1,3 +0,0 @@ -ccc -DHAVE_CONFIG_H -I. -I. -I.. -I./../include -I../include -O -DDBUG_OFF -fast -O3 -fomit-frame-pointer -c atof.c bchange.c bcmp.c bfill.c bmove.c bmove512.c bmove_upp.c ct_init.c ctype-latin1.c int2str.c is_prefix.c llstr.c longlong2str.c r_strinstr.c str2int.c strappend.c strcend.c strcont.c strend.c strfill.c strinstr.c strmake.c strmov.c strnmov.c strstr.c strtol.c strtoll.c strtoul.c strtoull.c strxmov.c strxnmov.c -rm libmystrings.a -ar -cr libmystrings.a atof.o From 33e9d05c086a54ec0cd3860acdc01585e0d4fda6 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Wed, 26 May 2010 14:34:41 +0400 Subject: [PATCH 345/400] Ignore files auto-generated for each build by CMake-build-scripts. --- .bzrignore | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/.bzrignore b/.bzrignore index d51ffc7265b..7733bd2aa7c 100644 --- a/.bzrignore +++ b/.bzrignore @@ -3085,3 +3085,13 @@ client/dtoa.c libmysqld/sql_audit.cc configure.am libmysqld/des_key_file.cc +CPackConfig.cmake +CPackSourceConfig.cmake +make_dist.cmake +client/echo +libmysql/libmysql_exports_file.cc +libmysql/merge_archives_mysqlclient.cmake +libmysqld/merge_archives_mysqlserver.cmake +libmysqld/mysqlserver_depends.c +libmysqld/examples/mysql_embedded +sql/.empty From d8536dfbddbf98df10081bdbf83b2c06cf9d01c1 Mon Sep 17 00:00:00 2001 From: Tor Didriksen Date: Wed, 26 May 2010 16:12:23 +0200 Subject: [PATCH 346/400] Bug #53445 Build with -Wall and fix warnings that it generates Add -Wall to gcc/g++ Fix most warnings reported in dbg and opt mode. --- cmd-line-utils/libedit/filecomplete.c | 3 +-- configure.cmake | 9 +++++++ extra/comp_err.c | 2 +- extra/perror.c | 2 +- extra/yassl/taocrypt/include/runtime.hpp | 2 +- include/my_global.h | 11 ++++++++ mysys/lf_alloc-pin.c | 3 +-- sql/ha_partition.cc | 3 +-- sql/mysqld.cc | 6 ++--- sql/partition_info.cc | 11 +++----- sql/rpl_handler.cc | 21 ++++++++------- sql/spatial.cc | 10 +++++++ sql/spatial.h | 12 ++------- sql/sql_partition.cc | 2 +- sql/sql_table.cc | 7 ++--- sql/sys_vars.cc | 4 +-- storage/innobase/os/os0file.c | 1 + storage/myisam/mi_create.c | 5 ++-- storage/myisam/mi_open.c | 2 +- storage/myisam/mi_page.c | 2 +- storage/myisam/mi_search.c | 6 ++--- strings/ctype-ucs2.c | 34 ++++++++++-------------- 22 files changed, 83 insertions(+), 75 deletions(-) diff --git a/cmd-line-utils/libedit/filecomplete.c b/cmd-line-utils/libedit/filecomplete.c index 4c63f57bc45..05bd10e9f9e 100644 --- a/cmd-line-utils/libedit/filecomplete.c +++ b/cmd-line-utils/libedit/filecomplete.c @@ -95,10 +95,9 @@ static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$', char * fn_tilde_expand(const char *txt) { - struct passwd pwres, *pass; + struct passwd *pass; char *temp; size_t len = 0; - char pwbuf[1024]; if (txt[0] != '~') return (strdup(txt)); diff --git a/configure.cmake b/configure.cmake index df71a96ee47..14e561b86ef 100644 --- a/configure.cmake +++ b/configure.cmake @@ -54,6 +54,15 @@ IF(NOT SYSTEM_TYPE) ENDIF() +# Always enable -Wall for gnu C/C++ +IF(CMAKE_COMPILER_IS_GNUCXX) + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall") +ENDIF() +IF(CMAKE_COMPILER_IS_GNUCC) + SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall") +ENDIF() + + IF(CMAKE_COMPILER_IS_GNUCXX) # MySQL "canonical" GCC flags. At least -fno-rtti flag affects # ABI and cannot be simply removed. diff --git a/extra/comp_err.c b/extra/comp_err.c index e4a07caa2ef..362533d9781 100644 --- a/extra/comp_err.c +++ b/extra/comp_err.c @@ -686,7 +686,7 @@ static ha_checksum checksum_format_specifier(const char* msg) case 'u': case 'x': case 's': - chksum= my_checksum(chksum, start, (uint) (p + 1 - start)); + chksum= my_checksum(chksum, (uchar*) start, (uint) (p + 1 - start)); start= 0; /* Not in format specifier anymore */ break; diff --git a/extra/perror.c b/extra/perror.c index d9c636ceb8c..eda0253129d 100644 --- a/extra/perror.c +++ b/extra/perror.c @@ -269,7 +269,7 @@ int main(int argc,char *argv[]) HA_ERRORS *ha_err_ptr; for (code=1 ; code < sys_nerr ; code++) { - if (sys_errlist[code][0]) + if (sys_errlist[code] && sys_errlist[code][0]) { /* Skip if no error-text */ printf("%3d = %s\n",code,sys_errlist[code]); } diff --git a/extra/yassl/taocrypt/include/runtime.hpp b/extra/yassl/taocrypt/include/runtime.hpp index 99bbe3ac8a3..b59f61a1cde 100644 --- a/extra/yassl/taocrypt/include/runtime.hpp +++ b/extra/yassl/taocrypt/include/runtime.hpp @@ -60,7 +60,7 @@ static int __cxa_pure_virtual() __attribute__((noinline, used)); static int __cxa_pure_virtual() { // oops, pure virtual called! - assert("Pure virtual method called." == "Aborted"); + assert(!"Pure virtual method called. Aborted"); return 0; } diff --git a/include/my_global.h b/include/my_global.h index 094853cb642..2a65c610604 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -1070,6 +1070,17 @@ typedef long long my_ptrdiff_t; #define MY_DIV_UP(A, B) (((A) + (B) - 1) / (B)) #define MY_ALIGNED_BYTE_ARRAY(N, S, T) T N[MY_DIV_UP(S, sizeof(T))] +#ifdef __cplusplus +template struct Aligned_char_array +{ + union { + void *v; // Ensures alignment. + char arr[sz]; // The actual buffer. + } u; + void* arr() { return &u.arr[0]; } +}; +#endif /* __cplusplus */ + /* Custom version of standard offsetof() macro which can be used to get offsets of members in class for non-POD types (according to the current diff --git a/mysys/lf_alloc-pin.c b/mysys/lf_alloc-pin.c index fda9b97791d..7fd10703871 100644 --- a/mysys/lf_alloc-pin.c +++ b/mysys/lf_alloc-pin.c @@ -329,10 +329,9 @@ static void _lf_pinbox_real_free(LF_PINS *pins) { int npins, alloca_size; void *list, **addr; - void *first, *last= NULL; + void *first= NULL, *last= NULL; LF_PINBOX *pinbox= pins->pinbox; - LINT_INIT(first); npins= pinbox->pins_in_array+1; #ifdef HAVE_ALLOCA diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc index f0b77a831a8..86332f8c79c 100644 --- a/sql/ha_partition.cc +++ b/sql/ha_partition.cc @@ -4181,10 +4181,9 @@ int ha_partition::index_read_map(uchar *buf, const uchar *key, int ha_partition::common_index_read(uchar *buf, bool have_start_key) { int error; - uint key_len; + uint UNINIT_VAR(key_len); /* used if have_start_key==TRUE */ bool reverse_order= FALSE; DBUG_ENTER("ha_partition::common_index_read"); - LINT_INIT(key_len); /* used if have_start_key==TRUE */ DBUG_PRINT("info", ("m_ordered %u m_ordered_scan_ong %u have_start_key %u", m_ordered, m_ordered_scan_ongoing, have_start_key)); diff --git a/sql/mysqld.cc b/sql/mysqld.cc index 0edb42f5d36..89b601d07f9 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -5343,11 +5343,11 @@ inline void kill_broken_server() void handle_connections_sockets() { - my_socket sock,new_sock; + my_socket UNINIT_VAR(sock), UNINIT_VAR(new_sock); uint error_count=0; THD *thd; struct sockaddr_storage cAddr; - int ip_flags=0,socket_flags=0,flags,retval; + int ip_flags=0,socket_flags=0,flags=0,retval; st_vio *vio_tmp; #ifdef HAVE_POLL int socket_count= 0; @@ -5359,8 +5359,6 @@ void handle_connections_sockets() DBUG_ENTER("handle_connections_sockets"); - LINT_INIT(new_sock); - #ifndef HAVE_POLL FD_ZERO(&clientFDs); #endif diff --git a/sql/partition_info.cc b/sql/partition_info.cc index 4a2d457df9c..e505630d08f 100644 --- a/sql/partition_info.cc +++ b/sql/partition_info.cc @@ -701,12 +701,11 @@ bool partition_info::check_range_constants(THD *thd) if (column_list) { part_column_list_val *loc_range_col_array; - part_column_list_val *current_largest_col_val; + part_column_list_val *UNINIT_VAR(current_largest_col_val); uint num_column_values= part_field_list.elements; uint size_entries= sizeof(part_column_list_val) * num_column_values; range_col_array= (part_column_list_val*)sql_calloc(num_parts * size_entries); - LINT_INIT(current_largest_col_val); if (unlikely(range_col_array == NULL)) { mem_alloc_error(num_parts * size_entries); @@ -739,12 +738,10 @@ bool partition_info::check_range_constants(THD *thd) } else { - longlong current_largest; + longlong UNINIT_VAR(current_largest); longlong part_range_value; bool signed_flag= !part_expr->unsigned_flag; - LINT_INIT(current_largest); - part_result_type= INT_RESULT; range_int_array= (longlong*)sql_alloc(num_parts * sizeof(longlong)); if (unlikely(range_int_array == NULL)) @@ -894,7 +891,8 @@ bool partition_info::check_list_constants(THD *thd) part_elem_value *list_value; bool result= TRUE; longlong type_add, calc_value; - void *curr_value, *prev_value; + void *curr_value; + void *UNINIT_VAR(prev_value); partition_element* part_def; bool found_null= FALSE; int (*compare_func)(const void *, const void*); @@ -1009,7 +1007,6 @@ bool partition_info::check_list_constants(THD *thd) compare_func); i= 0; - LINT_INIT(prev_value); do { DBUG_ASSERT(i < num_list_values); diff --git a/sql/rpl_handler.cc b/sql/rpl_handler.cc index 9cb5391075d..be0a61bcae2 100644 --- a/sql/rpl_handler.cc +++ b/sql/rpl_handler.cc @@ -89,21 +89,24 @@ int get_user_var_str(const char *name, char *value, int delegates_init() { - static unsigned long trans_mem[sizeof(Trans_delegate) / sizeof(unsigned long) + 1]; - static unsigned long storage_mem[sizeof(Binlog_storage_delegate) / sizeof(unsigned long) + 1]; + static Aligned_char_array trans_mem; + static Aligned_char_array storage_mem; #ifdef HAVE_REPLICATION - static unsigned long transmit_mem[sizeof(Binlog_transmit_delegate) / sizeof(unsigned long) + 1]; - static unsigned long relay_io_mem[sizeof(Binlog_relay_IO_delegate)/ sizeof(unsigned long) + 1]; + static Aligned_char_array transmit_mem; + static Aligned_char_array relay_io_mem; #endif - - if (!(transaction_delegate= new (trans_mem) Trans_delegate) + + if (!(transaction_delegate= new (trans_mem.arr()) Trans_delegate) || (!transaction_delegate->is_inited()) - || !(binlog_storage_delegate= new (storage_mem) Binlog_storage_delegate) + || !(binlog_storage_delegate= + new (storage_mem.arr()) Binlog_storage_delegate) || (!binlog_storage_delegate->is_inited()) #ifdef HAVE_REPLICATION - || !(binlog_transmit_delegate= new (transmit_mem) Binlog_transmit_delegate) + || !(binlog_transmit_delegate= + new (transmit_mem.arr()) Binlog_transmit_delegate) || (!binlog_transmit_delegate->is_inited()) - || !(binlog_relay_io_delegate= new (relay_io_mem) Binlog_relay_IO_delegate) + || !(binlog_relay_io_delegate= + new (relay_io_mem.arr()) Binlog_relay_IO_delegate) || (!binlog_relay_io_delegate->is_inited()) #endif /* HAVE_REPLICATION */ ) diff --git a/sql/spatial.cc b/sql/spatial.cc index 34b1f3d1f0c..fcf06119db9 100644 --- a/sql/spatial.cc +++ b/sql/spatial.cc @@ -128,6 +128,16 @@ Geometry::Class_info *Geometry::find_class(const char *name, uint32 len) } +Geometry *Geometry::create_by_typeid(Geometry_buffer *buffer, int type_id) +{ + Class_info *ci; + if (!(ci= find_class((int) type_id))) + return NULL; + (*ci->m_create_func)(buffer->buf.arr()); + return my_reinterpret_cast(Geometry *)(buffer->buf.arr()); +} + + Geometry *Geometry::construct(Geometry_buffer *buffer, const char *data, uint32 data_len) { diff --git a/sql/spatial.h b/sql/spatial.h index a4bce47d0e5..aabbb7a1b97 100644 --- a/sql/spatial.h +++ b/sql/spatial.h @@ -267,14 +267,7 @@ public: virtual int geometry_n(uint32 num, String *result) const { return -1; } public: - static Geometry *create_by_typeid(Geometry_buffer *buffer, int type_id) - { - Class_info *ci; - if (!(ci= find_class((int) type_id))) - return NULL; - (*ci->m_create_func)((void *)buffer); - return my_reinterpret_cast(Geometry *)(buffer); - } + static Geometry *create_by_typeid(Geometry_buffer *buffer, int type_id); static Geometry *construct(Geometry_buffer *buffer, const char *data, uint32 data_len); @@ -532,10 +525,9 @@ public: const Class_info *get_class_info() const; }; -const int geometry_buffer_size= sizeof(Gis_point); struct Geometry_buffer { - void *arr[(geometry_buffer_size - 1)/sizeof(void *) + 1]; + Aligned_char_array buf; }; #endif /*HAVE_SPATAIAL*/ diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc index 398af8c676e..e6f9a10801b 100644 --- a/sql/sql_partition.cc +++ b/sql/sql_partition.cc @@ -4584,7 +4584,7 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info, partition_info *tab_part_info= table->part_info; partition_info *alt_part_info= thd->work_part_info; uint flags= 0; - bool is_last_partition_reorged; + bool is_last_partition_reorged= FALSE; part_elem_value *tab_max_elem_val= NULL; part_elem_value *alt_max_elem_val= NULL; longlong tab_max_range= 0, alt_max_range= 0; diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 19281dbbf37..f8d99d87228 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -1899,8 +1899,8 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists, bool dont_log_query) { TABLE_LIST *table; - char path[FN_REFLEN + 1], *alias; - uint path_length; + char path[FN_REFLEN + 1], *alias= NULL; + uint path_length= 0; String wrong_tables; int error= 0; int non_temp_tables_count= 0; @@ -1909,9 +1909,6 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists, String built_tmp_query; DBUG_ENTER("mysql_rm_table_part2"); - LINT_INIT(alias); - LINT_INIT(path_length); - if (thd->is_current_stmt_binlog_format_row() && !dont_log_query) { built_query.set_charset(system_charset_info); diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index b8312fc3255..aeb9dda3a8b 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -2723,8 +2723,8 @@ static Sys_var_mybool Sys_log_slow( static bool fix_log_state(sys_var *self, THD *thd, enum_var_type type) { bool res; - my_bool *newvalptr, newval, oldval; - uint log_type; + my_bool *UNINIT_VAR(newvalptr), newval, UNINIT_VAR(oldval); + uint UNINIT_VAR(log_type); if (self == &Sys_general_log || self == &Sys_log) { diff --git a/storage/innobase/os/os0file.c b/storage/innobase/os/os0file.c index 37edad442db..885faa7b51f 100644 --- a/storage/innobase/os/os0file.c +++ b/storage/innobase/os/os0file.c @@ -3923,6 +3923,7 @@ os_aio_simulated_handle( ulint n; ulint i; + consecutive_ios[0]= NULL; segment = os_aio_get_array_and_local_segment(&array, global_segment); restart: diff --git a/storage/myisam/mi_create.c b/storage/myisam/mi_create.c index 66d5d4fa3cd..3db03e23637 100644 --- a/storage/myisam/mi_create.c +++ b/storage/myisam/mi_create.c @@ -38,7 +38,7 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs, MI_CREATE_INFO *ci,uint flags) { register uint i,j; - File UNINIT_VAR(dfile),file; + File UNINIT_VAR(dfile), UNINIT_VAR(file); int errpos,save_errno, create_mode= O_RDWR | O_TRUNC; myf create_flag; uint fields,length,max_key_length,packed,pointer,real_length_diff, @@ -73,8 +73,7 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs, { DBUG_RETURN(my_errno=HA_WRONG_CREATE_OPTION); } - LINT_INIT(dfile); - LINT_INIT(file); + errpos=0; options=0; bzero((uchar*) &share,sizeof(share)); diff --git a/storage/myisam/mi_open.c b/storage/myisam/mi_open.c index f7137ac554d..ef5b442cd3a 100644 --- a/storage/myisam/mi_open.c +++ b/storage/myisam/mi_open.c @@ -143,7 +143,7 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags) (uchar*) myisam_file_magic, 4)) { DBUG_PRINT("error",("Wrong header in %s",name_buff)); - DBUG_DUMP("error_dump",(char*) share->state.header.file_version, + DBUG_DUMP("error_dump", share->state.header.file_version, head_length); my_errno=HA_ERR_NOT_A_TABLE; goto err; diff --git a/storage/myisam/mi_page.c b/storage/myisam/mi_page.c index 23a2526f756..2cf3891807f 100644 --- a/storage/myisam/mi_page.c +++ b/storage/myisam/mi_page.c @@ -49,7 +49,7 @@ uchar *_mi_fetch_keypage(register MI_INFO *info, MI_KEYDEF *keyinfo, { DBUG_PRINT("error",("page %lu had wrong page length: %u", (ulong) page, page_size)); - DBUG_DUMP("page", (char*) tmp, keyinfo->block_length); + DBUG_DUMP("page", tmp, keyinfo->block_length); info->last_keypage = HA_OFFSET_ERROR; mi_print_error(info->s, HA_ERR_CRASHED); my_errno = HA_ERR_CRASHED; diff --git a/storage/myisam/mi_search.c b/storage/myisam/mi_search.c index 95f817e47aa..c7ebf9ae220 100644 --- a/storage/myisam/mi_search.c +++ b/storage/myisam/mi_search.c @@ -819,7 +819,7 @@ uint _mi_get_pack_key(register MI_KEYDEF *keyinfo, uint nod_flag, DBUG_PRINT("error", ("Found too long null packed key: %u of %u at 0x%lx", length, keyseg->length, (long) *page_pos)); - DBUG_DUMP("key",(char*) *page_pos,16); + DBUG_DUMP("key",(uchar*) *page_pos,16); mi_print_error(keyinfo->share, HA_ERR_CRASHED); my_errno=HA_ERR_CRASHED; return 0; @@ -876,7 +876,7 @@ uint _mi_get_pack_key(register MI_KEYDEF *keyinfo, uint nod_flag, { DBUG_PRINT("error",("Found too long packed key: %u of %u at 0x%lx", length, keyseg->length, (long) *page_pos)); - DBUG_DUMP("key",(char*) *page_pos,16); + DBUG_DUMP("key",(uchar*) *page_pos,16); mi_print_error(keyinfo->share, HA_ERR_CRASHED); my_errno=HA_ERR_CRASHED; return 0; /* Error */ @@ -948,7 +948,7 @@ uint _mi_get_binary_pack_key(register MI_KEYDEF *keyinfo, uint nod_flag, DBUG_PRINT("error", ("Found too long binary packed key: %u of %u at 0x%lx", length, keyinfo->maxlength, (long) *page_pos)); - DBUG_DUMP("key",(char*) *page_pos,16); + DBUG_DUMP("key",(uchar*) *page_pos,16); mi_print_error(keyinfo->share, HA_ERR_CRASHED); my_errno=HA_ERR_CRASHED; DBUG_RETURN(0); /* Wrong key */ diff --git a/strings/ctype-ucs2.c b/strings/ctype-ucs2.c index e3e13af85ef..3946f6a83b4 100644 --- a/strings/ctype-ucs2.c +++ b/strings/ctype-ucs2.c @@ -1961,12 +1961,10 @@ my_strnncoll_utf32(CHARSET_INFO *cs, const uchar *t, size_t tlen, my_bool t_is_prefix) { - my_wc_t s_wc,t_wc; + my_wc_t UNINIT_VAR(s_wc),UNINIT_VAR(t_wc); const uchar *se= s + slen; const uchar *te= t + tlen; MY_UNICASE_INFO **uni_plane= cs->caseinfo; - LINT_INIT(s_wc); - LINT_INIT(t_wc); while (s < se && t < te) { @@ -2028,11 +2026,9 @@ my_strnncollsp_utf32(CHARSET_INFO *cs, my_bool diff_if_only_endspace_difference) { int res; - my_wc_t s_wc, t_wc; + my_wc_t UNINIT_VAR(s_wc), UNINIT_VAR(t_wc); const uchar *se= s + slen, *te= t + tlen; MY_UNICASE_INFO **uni_plane= cs->caseinfo; - LINT_INIT(s_wc); - LINT_INIT(t_wc); DBUG_ASSERT((slen % 4) == 0); DBUG_ASSERT((tlen % 4) == 0); @@ -2498,11 +2494,9 @@ my_strnncoll_utf32_bin(CHARSET_INFO *cs, const uchar *t, size_t tlen, my_bool t_is_prefix) { - my_wc_t s_wc, t_wc; + my_wc_t UNINIT_VAR(s_wc), UNINIT_VAR(t_wc); const uchar *se= s + slen; const uchar *te= t + tlen; - LINT_INIT(s_wc); - LINT_INIT(t_wc); while (s < se && t < te) { @@ -2624,7 +2618,7 @@ my_like_range_utf32(CHARSET_INFO *cs, { my_wc_t wc; int res; - if ((res= my_utf32_uni(cs, &wc, ptr, end)) < 0) + if ((res= my_utf32_uni(cs, &wc, (uchar*) ptr, (uchar*) end)) < 0) { my_fill_utf32(cs, min_str, min_end - min_str, cs->min_sort_char); my_fill_utf32(cs, max_str, min_end - min_str, cs->max_sort_char); @@ -2635,15 +2629,15 @@ my_like_range_utf32(CHARSET_INFO *cs, if (wc == (my_wc_t) escape) { ptr+= 4; /* Skip escape */ - if ((res= my_utf32_uni(cs, &wc, ptr, end)) < 0) + if ((res= my_utf32_uni(cs, &wc, (uchar*) ptr, (uchar*) end)) < 0) { my_fill_utf32(cs, min_str, min_end - min_str, cs->min_sort_char); my_fill_utf32(cs, max_str, max_end - min_str, cs->max_sort_char); /* min_length and max_length are not important */ return TRUE; } - if (my_uni_utf32(cs, wc, min_str, min_end) != 4 || - my_uni_utf32(cs, wc, max_str, max_end) != 4) + if (my_uni_utf32(cs, wc, (uchar*) min_str, (uchar*) min_end) != 4 || + my_uni_utf32(cs, wc, (uchar*) max_str, (uchar*) max_end) != 4) goto pad_set_lengths; *min_str++= 4; *max_str++= 4; @@ -2652,8 +2646,8 @@ my_like_range_utf32(CHARSET_INFO *cs, if (wc == (my_wc_t) w_one) { - if (my_uni_utf32(cs, cs->min_sort_char, min_str, min_end) != 4 || - my_uni_utf32(cs, cs->max_sort_char, max_str, max_end) != 4) + if (my_uni_utf32(cs, cs->min_sort_char, (uchar*) min_str, (uchar*) min_end) != 4 || + my_uni_utf32(cs, cs->max_sort_char, (uchar*) max_str, (uchar*) max_end) != 4) goto pad_set_lengths; min_str+= 4; max_str+= 4; @@ -2675,8 +2669,8 @@ my_like_range_utf32(CHARSET_INFO *cs, } /* Normal character */ - if (my_uni_utf32(cs, wc, min_str, min_end) != 4 || - my_uni_utf32(cs, wc, max_str, max_end) != 4) + if (my_uni_utf32(cs, wc, (uchar*) min_str, (uchar*) min_end) != 4 || + my_uni_utf32(cs, wc, (uchar*) max_str, (uchar*) max_end) != 4) goto pad_set_lengths; min_str+= 4; max_str+= 4; @@ -2704,7 +2698,7 @@ my_scan_utf32(CHARSET_INFO *cs, for ( ; str < end; ) { my_wc_t wc; - int res= my_utf32_uni(cs, &wc, str, end); + int res= my_utf32_uni(cs, &wc, (uchar*) str, (uchar*) end); if (res < 0 || wc != ' ') break; str+= res; @@ -3008,7 +3002,7 @@ static int my_strnncoll_ucs2(CHARSET_INFO *cs, my_bool t_is_prefix) { int s_res,t_res; - my_wc_t UNINIT_VAR(s_wc),t_wc; + my_wc_t UNINIT_VAR(s_wc),UNINIT_VAR(t_wc); const uchar *se=s+slen; const uchar *te=t+tlen; MY_UNICASE_INFO **uni_plane= cs->caseinfo; @@ -3195,7 +3189,7 @@ int my_strnncoll_ucs2_bin(CHARSET_INFO *cs, my_bool t_is_prefix) { int s_res,t_res; - my_wc_t UNINIT_VAR(s_wc),t_wc; + my_wc_t UNINIT_VAR(s_wc),UNINIT_VAR(t_wc); const uchar *se=s+slen; const uchar *te=t+tlen; From 0efa64d44027590d969ff5011e857a89db73ca47 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 27 May 2010 08:51:03 +0300 Subject: [PATCH 347/400] Fix a compiler warning introduced in jimmy.yang@oracle.com-20100526014433-bx0t9794mnvkiaft --- storage/innobase/dict/dict0load.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/storage/innobase/dict/dict0load.c b/storage/innobase/dict/dict0load.c index 0aa53b9dd22..c2b4834294c 100644 --- a/storage/innobase/dict/dict0load.c +++ b/storage/innobase/dict/dict0load.c @@ -314,11 +314,11 @@ dict_process_sys_tables_rec( first */ { ulint len; - const byte* field; + const char* field; const char* err_msg = NULL; char* table_name; - field = rec_get_nth_field_old(rec, 0, &len); + field = (const char*) rec_get_nth_field_old(rec, 0, &len); ut_a(!rec_get_deleted_flag(rec, 0)); From 2857b55a463a288753f2b860b7bfb9bf538d00ed Mon Sep 17 00:00:00 2001 From: Tor Didriksen Date: Thu, 27 May 2010 09:42:48 +0200 Subject: [PATCH 348/400] Bug #53445 Build with -Wall and fix warnings that it generates Post-push fix: -Wall implies -Wunused on some platforms, which will generate thousands of warnings about unused parameters. --- configure.cmake | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.cmake b/configure.cmake index 14e561b86ef..1727e2b2c10 100644 --- a/configure.cmake +++ b/configure.cmake @@ -56,7 +56,7 @@ ENDIF() # Always enable -Wall for gnu C/C++ IF(CMAKE_COMPILER_IS_GNUCXX) - SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall") + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-unused-parameter") ENDIF() IF(CMAKE_COMPILER_IS_GNUCC) SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall") From a51779c7c2093d1c19143a157b8259fcbb3b70a9 Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Thu, 27 May 2010 04:15:54 -0700 Subject: [PATCH 349/400] Fix an assertion failure with UNIV_DEBUG is set. Initialize a dict_index_t structure to NULL in dict_load_index(), we could enter SYS_INDEXES and got table id value comparision failure for system tables such as SYS_TABLES. In addition, remove dict_sys mutex assertion when fill I_S table, as we no longer hold mutex accross the fill operation. rb://367 approved by Marko. --- storage/innobase/dict/dict0load.c | 12 +++++++++++- storage/innobase/handler/i_s.cc | 14 -------------- 2 files changed, 11 insertions(+), 15 deletions(-) diff --git a/storage/innobase/dict/dict0load.c b/storage/innobase/dict/dict0load.c index 0aa53b9dd22..8577dcc0274 100644 --- a/storage/innobase/dict/dict0load.c +++ b/storage/innobase/dict/dict0load.c @@ -1168,6 +1168,10 @@ static const char* dict_load_index_id_err = "SYS_INDEXES.TABLE_ID mismatch"; /********************************************************************//** Loads an index definition from a SYS_INDEXES record to dict_index_t. +If "cached" is set to "TRUE", we will create a dict_index_t structure +and fill it accordingly. Otherwise, the dict_index_t will +be supplied by the caller and filled with information read from +the record. @return error message, or NULL on success */ UNIV_INTERN const char* @@ -1192,6 +1196,12 @@ dict_load_index_low( ulint type; ulint space; + if (cached) { + /* If "cached" is set to TRUE, no dict_index_t will + be supplied. Initialize "*index" to NULL */ + *index = NULL; + } + if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) { return(dict_load_index_del); } @@ -1331,7 +1341,7 @@ dict_load_indexes( btr_pcur_open_on_user_rec(sys_index, tuple, PAGE_CUR_GE, BTR_SEARCH_LEAF, &pcur, &mtr); for (;;) { - dict_index_t* index; + dict_index_t* index = NULL; const char* err_msg; if (!btr_pcur_is_on_user_rec(&pcur)) { diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index e48ea76012d..97c1eb4dbf2 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -1978,8 +1978,6 @@ i_s_dict_fill_sys_tables( DBUG_ENTER("i_s_dict_fill_sys_tables"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; table_id = ut_conv_dulint_to_longlong(table->id); @@ -2245,8 +2243,6 @@ i_s_dict_fill_sys_tablestats( DBUG_ENTER("i_s_dict_fill_sys_tablestats"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; table_id = ut_conv_dulint_to_longlong(table->id); @@ -2510,8 +2506,6 @@ i_s_dict_fill_sys_indexes( DBUG_ENTER("i_s_dict_fill_sys_indexes"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; table_id = ut_conv_dulint_to_longlong(tableid); @@ -2754,8 +2748,6 @@ i_s_dict_fill_sys_columns( DBUG_ENTER("i_s_dict_fill_sys_columns"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; table_id = ut_conv_dulint_to_longlong(tableid); @@ -2966,8 +2958,6 @@ i_s_dict_fill_sys_fields( DBUG_ENTER("i_s_dict_fill_sys_fields"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; index_id = ut_conv_dulint_to_longlong(indexid); @@ -3194,8 +3184,6 @@ i_s_dict_fill_sys_foreign( DBUG_ENTER("i_s_dict_fill_sys_foreign"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; OK(field_store_string(fields[SYS_FOREIGN_ID], foreign->id)); @@ -3411,8 +3399,6 @@ i_s_dict_fill_sys_foreign_cols( DBUG_ENTER("i_s_dict_fill_sys_foreign_cols"); - ut_ad(mutex_own(&(dict_sys->mutex))); - fields = table_to_fill->field; OK(field_store_string(fields[SYS_FOREIGN_COL_ID], name)); From 7609b38454a94276b307a4da77d49454e026ad7a Mon Sep 17 00:00:00 2001 From: Jonathan Perkin Date: Thu, 27 May 2010 12:52:01 +0100 Subject: [PATCH 350/400] Fix HP-UX localtime_r issue correctly, patch from mats. --- plugin/daemon_example/daemon_example.cc | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/plugin/daemon_example/daemon_example.cc b/plugin/daemon_example/daemon_example.cc index 8f037e8babb..43138f0655f 100644 --- a/plugin/daemon_example/daemon_example.cc +++ b/plugin/daemon_example/daemon_example.cc @@ -13,13 +13,12 @@ along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include #include #include #include -#include // localtime_r #include #include -#include #include #include "my_pthread.h" // pthread_handler_t #include "my_sys.h" // my_write, my_malloc From 9fbf4b723dc1b50596fd2b31c1fa3d31672ded17 Mon Sep 17 00:00:00 2001 From: Alfranio Correia Date: Thu, 27 May 2010 16:43:08 +0100 Subject: [PATCH 351/400] BUG#53437 @@session.sql_bin_log support in substatements is incorrect The thd->variables.option_bits & OPTION_BIN_LOG is currently abused: it's both a system variable and an implementation switch. The current approach to this option bit breaks the session variable encapsulation. Besides it is allowed to change @@session.sql_bin_log within a transaction what may lead to not correctly logging a transaction. To fix the problems, we created a thd->variables variable to represent the "sql_log_bin" and prohibited its update inside a transaction or sub-statement. --- .../binlog/r/binlog_stm_unsafe_warning.result | 3 - .../r/binlog_switch_inside_trans.result | 101 +++++++++++++----- .../binlog/t/binlog_switch_inside_trans.test | 91 +++++++++++----- .../rpl_non_direct_stm_mixing_engines.result | 88 +++++++++++++++ .../suite/rpl/r/rpl_stm_mixing_engines.result | 88 +++++++++++++++ sql/share/errmsg-utf8.txt | 8 ++ sql/sql_base.cc | 4 +- sql/sql_class.cc | 14 ++- sql/sql_class.h | 3 +- sql/sys_vars.cc | 68 ++++++++++-- 10 files changed, 402 insertions(+), 66 deletions(-) diff --git a/mysql-test/suite/binlog/r/binlog_stm_unsafe_warning.result b/mysql-test/suite/binlog/r/binlog_stm_unsafe_warning.result index e3250f00dbf..d6d44ccad8e 100644 --- a/mysql-test/suite/binlog/r/binlog_stm_unsafe_warning.result +++ b/mysql-test/suite/binlog/r/binlog_stm_unsafe_warning.result @@ -67,11 +67,8 @@ Note 1592 Unsafe statement written to the binary log using statement format sinc SELECT sf_bug50192(); sf_bug50192() 1 -Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly. SHOW WARNINGS; Level Code Message -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly. DROP FUNCTION sf_bug50192; DROP TRIGGER tr_bug50192; DROP TABLE t1, t2; diff --git a/mysql-test/suite/binlog/r/binlog_switch_inside_trans.result b/mysql-test/suite/binlog/r/binlog_switch_inside_trans.result index de224a190c2..48b6dfa61d9 100644 --- a/mysql-test/suite/binlog/r/binlog_switch_inside_trans.result +++ b/mysql-test/suite/binlog/r/binlog_switch_inside_trans.result @@ -1,5 +1,6 @@ set @save_binlog_format= @@global.binlog_format; set @save_binlog_dirct= @@global.binlog_direct_non_transactional_updates; +set @save_sql_log_bin= @@global.sql_log_bin; create table t1 (a int) engine= myisam; create table t2 (a int) engine= innodb; SELECT @@session.binlog_format; @@ -8,116 +9,148 @@ ROW SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 1 +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +1 SET AUTOCOMMIT=1; -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are -# writable outside a transaction. -# Current session values are ROW and FALSE, respectively. +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' +# are writable outside a transaction. +# Current session values are ROW, FALSE, TRUE, respectively. set @@session.binlog_format= statement; set @@session.binlog_direct_non_transactional_updates= TRUE; +set @@session.sql_log_bin= FALSE; SELECT @@session.binlog_format; @@session.binlog_format STATEMENT SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 1 +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +0 begin; -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # read-only inside a transaction with no preceding updates. -# Current session values are STATEMENT and TRUE, respectively. +# Current session values are STATEMENT, TRUE, FALSE, respectively. set @@session.binlog_format= mixed; ERROR HY000: Cannot modify @@session.binlog_format inside a transaction set @@session.binlog_direct_non_transactional_updates= FALSE; ERROR HY000: Cannot modify @@session.binlog_direct_non_transactional_updates inside a transaction +set @@session.sql_log_bin= FALSE; +ERROR HY000: Cannot modify @@session.sql_log_bin inside a transaction insert into t2 values (1); -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # read-only inside a transaction with preceding transactional updates. -# Current session values are STATEMENT and TRUE, respectively. +# Current session values are STATEMENT, TRUE and FALSE, respectively. set @@session.binlog_format= row; ERROR HY000: Cannot modify @@session.binlog_format inside a transaction set @@session.binlog_direct_non_transactional_updates= FALSE; ERROR HY000: Cannot modify @@session.binlog_direct_non_transactional_updates inside a transaction +set @@session.sql_log_bin= FALSE; +ERROR HY000: Cannot modify @@session.sql_log_bin inside a transaction commit; begin; insert into t1 values (2); -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format' +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # read-only inside a transaction with preceding non-transactional updates. -# Current session values are STATEMENT and TRUE, respectively. +# Current session values are STATEMENT, TRUE, FALSE, respectively. set @@session.binlog_format= mixed; ERROR HY000: Cannot modify @@session.binlog_format inside a transaction set @@session.binlog_direct_non_transactional_updates= FALSE; ERROR HY000: Cannot modify @@session.binlog_direct_non_transactional_updates inside a transaction +set @@session.sql_log_bin= FALSE; +ERROR HY000: Cannot modify @@session.sql_log_bin inside a transaction commit; -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # writable when AUTOCOMMIT=0, before a transaction has started. -# Current session values are STATEMENT and TRUE, respectively. +# Current session values are STATEMENT, TRUE, FALSE, respectively. set AUTOCOMMIT=0; set @@session.binlog_format= row; set @@session.binlog_direct_non_transactional_updates= FALSE; +set @@session.sql_log_bin= TRUE; SELECT @@session.binlog_format; @@session.binlog_format ROW SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 0 +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +1 insert into t1 values (3); -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # read-only inside an AUTOCOMMIT=0 transaction # with preceding non-transactional updates. -# Current session values are ROW and FALSE, respectively. +# Current session values are ROW, FALSE, TRUE, respectively. set @@session.binlog_format= statement; ERROR HY000: Cannot modify @@session.binlog_format inside a transaction set @@session.binlog_direct_non_transactional_updates= TRUE; ERROR HY000: Cannot modify @@session.binlog_direct_non_transactional_updates inside a transaction +set @@session.sql_log_bin= FALSE; +ERROR HY000: Cannot modify @@session.sql_log_bin inside a transaction SELECT @@session.binlog_format; @@session.binlog_format ROW SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 0 +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +1 commit; insert into t2 values (4); -# Test that the session variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# Test that the session variable 'binlog_format', +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # read-only inside an AUTOCOMMIT=0 transaction with # preceding transactional updates. -# Current session values are ROW and FALSE, respectively. +# Current session values are ROW, FALSE, TRUE, respectively. set @@session.binlog_format= statement; ERROR HY000: Cannot modify @@session.binlog_format inside a transaction set @@session.binlog_direct_non_transactional_updates= TRUE; ERROR HY000: Cannot modify @@session.binlog_direct_non_transactional_updates inside a transaction +set @@session.sql_log_bin= FALSE; +ERROR HY000: Cannot modify @@session.sql_log_bin inside a transaction SELECT @@session.binlog_format; @@session.binlog_format ROW SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 0 +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +1 commit; begin; insert into t2 values (5); # Test that the global variable 'binlog_format' and -# 'binlog_direct_non_transactional_updates' are +# 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are # writable inside a transaction. -# Current session values are ROW and FALSE, respectively. +# Current session values are ROW, FALSE, TRUE respectively. SELECT @@global.binlog_format; @@global.binlog_format ROW set @@global.binlog_format= statement; set @@global.binlog_direct_non_transactional_updates= TRUE; +set @@global.sql_log_bin= FALSE; SELECT @@global.binlog_format; @@global.binlog_format STATEMENT SELECT @@global.binlog_direct_non_transactional_updates; @@global.binlog_direct_non_transactional_updates 1 +SELECT @@global.sql_log_bin; +@@global.sql_log_bin +0 commit; set @@global.binlog_format= @save_binlog_format; set @@global.binlog_direct_non_transactional_updates= @save_binlog_dirct; +set @@global.sql_log_bin= @save_sql_log_bin; create table t3(a int, b int) engine= innodb; create table t4(a int) engine= innodb; create table t5(a int) engine= innodb; @@ -153,6 +186,23 @@ ERROR HY000: Cannot change the binlog direct flag inside a stored function or tr SELECT @@session.binlog_direct_non_transactional_updates; @@session.binlog_direct_non_transactional_updates 0 +create table t9(a int, b int) engine= innodb; +create table t10(a int) engine= innodb; +create table t11(a int) engine= innodb; +create trigger tr3 after insert on t9 for each row begin +insert into t10(a) values(1); +set @@session.sql_log_bin= TRUE; +insert into t10(a) values(2); +insert into t11(a) values(3); +end | +# Test that the session variable 'sql_log_bin' is +# read-only in sub-statements. +# Current session value is FALSE. +insert into t9(a,b) values(1,1); +ERROR HY000: Cannot change the sql_log_bin inside a stored function or trigger +SELECT @@session.sql_log_bin; +@@session.sql_log_bin +1 drop table t1; drop table t2; drop table t3; @@ -161,3 +211,6 @@ drop table t5; drop table t6; drop table t7; drop table t8; +drop table t9; +drop table t10; +drop table t11; diff --git a/mysql-test/suite/binlog/t/binlog_switch_inside_trans.test b/mysql-test/suite/binlog/t/binlog_switch_inside_trans.test index cdc94198933..06c5e78bd0e 100644 --- a/mysql-test/suite/binlog/t/binlog_switch_inside_trans.test +++ b/mysql-test/suite/binlog/t/binlog_switch_inside_trans.test @@ -10,107 +10,128 @@ source include/have_binlog_format_row.inc; set @save_binlog_format= @@global.binlog_format; set @save_binlog_dirct= @@global.binlog_direct_non_transactional_updates; +set @save_sql_log_bin= @@global.sql_log_bin; create table t1 (a int) engine= myisam; create table t2 (a int) engine= innodb; SELECT @@session.binlog_format; SELECT @@session.binlog_direct_non_transactional_updates; +SELECT @@session.sql_log_bin; SET AUTOCOMMIT=1; ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are ---echo # writable outside a transaction. ---echo # Current session values are ROW and FALSE, respectively. +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' +--echo # are writable outside a transaction. +--echo # Current session values are ROW, FALSE, TRUE, respectively. set @@session.binlog_format= statement; set @@session.binlog_direct_non_transactional_updates= TRUE; +set @@session.sql_log_bin= FALSE; SELECT @@session.binlog_format; SELECT @@session.binlog_direct_non_transactional_updates; +SELECT @@session.sql_log_bin; begin; ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # read-only inside a transaction with no preceding updates. ---echo # Current session values are STATEMENT and TRUE, respectively. +--echo # Current session values are STATEMENT, TRUE, FALSE, respectively. --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT set @@session.binlog_format= mixed; --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT set @@session.binlog_direct_non_transactional_updates= FALSE; +--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN +set @@session.sql_log_bin= FALSE; insert into t2 values (1); ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # read-only inside a transaction with preceding transactional updates. ---echo # Current session values are STATEMENT and TRUE, respectively. +--echo # Current session values are STATEMENT, TRUE and FALSE, respectively. --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT set @@session.binlog_format= row; --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT set @@session.binlog_direct_non_transactional_updates= FALSE; +--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN +set @@session.sql_log_bin= FALSE; commit; begin; insert into t1 values (2); ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format' +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # read-only inside a transaction with preceding non-transactional updates. ---echo # Current session values are STATEMENT and TRUE, respectively. +--echo # Current session values are STATEMENT, TRUE, FALSE, respectively. --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT set @@session.binlog_format= mixed; --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT set @@session.binlog_direct_non_transactional_updates= FALSE; +--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN +set @@session.sql_log_bin= FALSE; commit; ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # writable when AUTOCOMMIT=0, before a transaction has started. ---echo # Current session values are STATEMENT and TRUE, respectively. +--echo # Current session values are STATEMENT, TRUE, FALSE, respectively. set AUTOCOMMIT=0; set @@session.binlog_format= row; set @@session.binlog_direct_non_transactional_updates= FALSE; +set @@session.sql_log_bin= TRUE; SELECT @@session.binlog_format; SELECT @@session.binlog_direct_non_transactional_updates; +SELECT @@session.sql_log_bin; insert into t1 values (3); ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # read-only inside an AUTOCOMMIT=0 transaction --echo # with preceding non-transactional updates. ---echo # Current session values are ROW and FALSE, respectively. +--echo # Current session values are ROW, FALSE, TRUE, respectively. --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT set @@session.binlog_format= statement; --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT set @@session.binlog_direct_non_transactional_updates= TRUE; +--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN +set @@session.sql_log_bin= FALSE; SELECT @@session.binlog_format; SELECT @@session.binlog_direct_non_transactional_updates; +SELECT @@session.sql_log_bin; commit; insert into t2 values (4); ---echo # Test that the session variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # Test that the session variable 'binlog_format', +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # read-only inside an AUTOCOMMIT=0 transaction with --echo # preceding transactional updates. ---echo # Current session values are ROW and FALSE, respectively. +--echo # Current session values are ROW, FALSE, TRUE, respectively. --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT set @@session.binlog_format= statement; --error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT set @@session.binlog_direct_non_transactional_updates= TRUE; +--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN +set @@session.sql_log_bin= FALSE; SELECT @@session.binlog_format; SELECT @@session.binlog_direct_non_transactional_updates; +SELECT @@session.sql_log_bin; commit; begin; insert into t2 values (5); --echo # Test that the global variable 'binlog_format' and ---echo # 'binlog_direct_non_transactional_updates' are +--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are --echo # writable inside a transaction. ---echo # Current session values are ROW and FALSE, respectively. +--echo # Current session values are ROW, FALSE, TRUE respectively. SELECT @@global.binlog_format; set @@global.binlog_format= statement; set @@global.binlog_direct_non_transactional_updates= TRUE; + set @@global.sql_log_bin= FALSE; SELECT @@global.binlog_format; SELECT @@global.binlog_direct_non_transactional_updates; + SELECT @@global.sql_log_bin; commit; set @@global.binlog_format= @save_binlog_format; set @@global.binlog_direct_non_transactional_updates= @save_binlog_dirct; +set @@global.sql_log_bin= @save_sql_log_bin; create table t3(a int, b int) engine= innodb; create table t4(a int) engine= innodb; @@ -151,6 +172,25 @@ delimiter ;| insert into t6(a,b) values(1,1); SELECT @@session.binlog_direct_non_transactional_updates; +create table t9(a int, b int) engine= innodb; +create table t10(a int) engine= innodb; +create table t11(a int) engine= innodb; +delimiter |; +eval create trigger tr3 after insert on t9 for each row begin + insert into t10(a) values(1); + set @@session.sql_log_bin= TRUE; + insert into t10(a) values(2); + insert into t11(a) values(3); +end | +delimiter ;| + +--echo # Test that the session variable 'sql_log_bin' is +--echo # read-only in sub-statements. +--echo # Current session value is FALSE. +--error ER_STORED_FUNCTION_PREVENTS_SWITCH_SQL_LOG_BIN +insert into t9(a,b) values(1,1); +SELECT @@session.sql_log_bin; + drop table t1; drop table t2; drop table t3; @@ -159,3 +199,6 @@ drop table t5; drop table t6; drop table t7; drop table t8; +drop table t9; +drop table t10; +drop table t11; diff --git a/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result b/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result index 92230b5bfa3..39f133f884c 100644 --- a/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result +++ b/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result @@ -439,6 +439,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1) @@ -453,6 +455,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)) @@ -483,6 +487,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1) @@ -497,6 +503,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)) @@ -3637,6 +3645,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (134, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -3755,6 +3765,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (138, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -3877,6 +3889,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (142, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -4001,6 +4015,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-proc << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (146, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -4261,6 +4277,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (154, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -4387,6 +4405,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (158, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -4517,6 +4537,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (162, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -4649,6 +4671,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-proc << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (166, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> N-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -6146,6 +6170,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (208, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6174,6 +6200,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (209, 2, fc_i_tt_5_suc(209, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6232,6 +6260,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (211, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6260,6 +6290,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (212, 2, fc_i_nt_5_suc(212, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6576,6 +6608,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (222, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6606,6 +6640,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (223, 2, fc_i_tt_5_suc(223, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6668,6 +6704,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (225, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6698,6 +6736,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (226, 2, fc_i_nt_5_suc(226, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -7023,6 +7063,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (236, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7051,6 +7093,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (237, 4, fc_i_tt_5_suc(237, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7109,6 +7153,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (239, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7137,6 +7183,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (240, 4, fc_i_nt_5_suc(240, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7443,6 +7491,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (250, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7473,6 +7523,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (251, 4, fc_i_tt_5_suc(251, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7535,6 +7587,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (253, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7565,6 +7619,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (254, 4, fc_i_nt_5_suc(254, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7887,6 +7943,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (264, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -7917,6 +7975,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (265, 2, fc_i_tt_5_suc(265, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -7979,6 +8039,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (267, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8009,6 +8071,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (268, 2, fc_i_nt_5_suc(268, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8351,6 +8415,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (278, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8383,6 +8449,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (279, 2, fc_i_tt_5_suc(279, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8449,6 +8517,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (281, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8481,6 +8551,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (282, 2, fc_i_nt_5_suc(282, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8841,6 +8913,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (292, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8873,6 +8947,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (293, 4, fc_i_tt_5_suc(293, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8939,6 +9015,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (295, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8971,6 +9049,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (296, 4, fc_i_nt_5_suc(296, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9325,6 +9405,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (306, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9359,6 +9441,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (307, 4, fc_i_tt_5_suc(307, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9429,6 +9513,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (309, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9463,6 +9549,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (310, 4, fc_i_nt_5_suc(310, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- diff --git a/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result b/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result index 5cafdf8528d..d66148763e8 100644 --- a/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result +++ b/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result @@ -439,6 +439,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1) @@ -453,6 +455,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)) @@ -483,6 +487,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1) @@ -497,6 +503,8 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)) @@ -3641,6 +3649,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (134, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (134, 4) @@ -3779,6 +3789,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (138, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (138, 4) @@ -3921,6 +3933,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (142, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (142, 4) @@ -4065,6 +4079,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-proc << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (146, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (146, 4) @@ -4349,6 +4365,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (154, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (154, 4) @@ -4495,6 +4513,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (158, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (158, 4) @@ -4645,6 +4665,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (162, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (162, 4) @@ -4797,6 +4819,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T-proc << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id) VALUES (166, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id) VALUES (166, 4) @@ -6314,6 +6338,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (208, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6342,6 +6368,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (209, 2, fc_i_tt_5_suc(209, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6400,6 +6428,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (211, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6428,6 +6458,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (212, 2, fc_i_nt_5_suc(212, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6744,6 +6776,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (222, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6774,6 +6808,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (223, 2, fc_i_tt_5_suc(223, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6836,6 +6872,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (225, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6866,6 +6904,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (226, 2, fc_i_nt_5_suc(226, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -7195,6 +7235,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (236, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7223,6 +7265,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (237, 4, fc_i_tt_5_suc(237, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7281,6 +7325,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (239, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7309,6 +7355,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (240, 4, fc_i_nt_5_suc(240, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7623,6 +7671,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (250, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7653,6 +7703,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (251, 4, fc_i_tt_5_suc(251, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7715,6 +7767,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (253, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7745,6 +7799,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (254, 4, fc_i_nt_5_suc(254, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -8079,6 +8135,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (264, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8113,6 +8171,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (265, 2, fc_i_tt_5_suc(265, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8183,6 +8243,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (267, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8217,6 +8279,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (268, 2, fc_i_nt_5_suc(268, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8587,6 +8651,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (278, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8623,6 +8689,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (279, 2, fc_i_tt_5_suc(279, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8697,6 +8765,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (281, 2); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8733,6 +8803,8 @@ Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (282, 2, fc_i_nt_5_suc(282, 2)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -9113,6 +9185,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (292, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9145,6 +9219,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (293, 4, fc_i_tt_5_suc(293, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9211,6 +9287,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (295, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9243,6 +9321,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (296, 4, fc_i_nt_5_suc(296, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9597,6 +9677,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (306, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9631,6 +9713,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (307, 4, fc_i_tt_5_suc(307, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9701,6 +9785,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (309, 4); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9735,6 +9821,8 @@ master-bin.000001 # Query # # COMMIT -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (310, 4, fc_i_nt_5_suc(310, 4)); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- diff --git a/sql/share/errmsg-utf8.txt b/sql/share/errmsg-utf8.txt index 598f563ac87..f6ed6330749 100644 --- a/sql/share/errmsg-utf8.txt +++ b/sql/share/errmsg-utf8.txt @@ -6336,3 +6336,11 @@ ER_BINLOG_UNSAFE_MULTIPLE_ENGINES_AND_SELF_LOGGING_ENGINE ER_BINLOG_UNSAFE_MIXED_STATEMENT eng "Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe." + +ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN + eng "Cannot modify @@session.sql_log_bin inside a transaction" + +ER_STORED_FUNCTION_PREVENTS_SWITCH_SQL_LOG_BIN + eng "Cannot change the sql_log_bin inside a stored function or trigger" + + diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 28633365e28..dd425aaec1f 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -4001,9 +4001,9 @@ thr_lock_type read_lock_type_for_table(THD *thd, prelocked mode we can't rely on OPTION_BIN_LOG flag in THD::options bitmap to determine that binary logging is turned on as this bit can be cleared before executing sub-statement. So instead we have to look - at THD::sql_log_bin_toplevel member. + at THD::variables::sql_log_bin member. */ - bool log_on= mysql_bin_log.is_open() && thd->sql_log_bin_toplevel; + bool log_on= mysql_bin_log.is_open() && thd->variables.sql_log_bin; ulong binlog_format= thd->variables.binlog_format; if ((log_on == FALSE) || (binlog_format == BINLOG_FORMAT_ROW) || (table_list->table->s->table_category == TABLE_CATEGORY_LOG) || diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 789b01443f7..cd70e13f9d4 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -460,7 +460,6 @@ THD::THD() rli_fake(0), lock_id(&main_lock_id), user_time(0), in_sub_stmt(0), - sql_log_bin_toplevel(false), binlog_unsafe_warning_flags(0), binlog_table_maps(0), table_map_for_update(0), arg_of_last_insert_id_function(FALSE), @@ -929,7 +928,11 @@ void THD::init(void) update_charset(); reset_current_stmt_binlog_format_row(); bzero((char *) &status_var, sizeof(status_var)); - sql_log_bin_toplevel= variables.option_bits & OPTION_BIN_LOG; + + if (variables.sql_log_bin) + variables.option_bits|= OPTION_BIN_LOG; + else + variables.option_bits&= ~OPTION_BIN_LOG; #if defined(ENABLED_DEBUG_SYNC) /* Initialize the Debug Sync Facility. See debug_sync.cc. */ @@ -4554,8 +4557,13 @@ int THD::binlog_query(THD::enum_binlog_query_type qtype, char const *query_arg, because the warnings should be printed only if the statement is actually logged. When executing decide_logging_format(), we cannot know for sure if the statement will be logged. + + Besides, we should not try to print these warnings if it is not + possible to write statements to the binary log as it happens when + the execution is inside a function, or generaly speaking, when + the variables.option_bits & OPTION_BIN_LOG is false. */ - if (sql_log_bin_toplevel) + if (variables.option_bits & OPTION_BIN_LOG) issue_unsafe_warnings(); switch (qtype) { diff --git a/sql/sql_class.h b/sql/sql_class.h index 916b79f8353..c7990e5d647 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -428,6 +428,7 @@ typedef struct system_variables uint binlog_format; ///< binlog format for this thd (see enum_binlog_format) my_bool binlog_direct_non_trans_update; + my_bool sql_log_bin; uint completion_type; uint query_cache_type; uint tx_isolation; @@ -1667,8 +1668,6 @@ public: /* <> 0 if we are inside of trigger or stored function. */ uint in_sub_stmt; - /* TRUE when the current top has SQL_LOG_BIN ON */ - bool sql_log_bin_toplevel; /* container for handler's private per-connection data */ Ha_data ha_data[MAX_HA]; diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index b8312fc3255..c0938f81b50 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -2236,17 +2236,69 @@ static Sys_var_bit Sys_log_off( SESSION_VAR(option_bits), NO_CMD_LINE, OPTION_LOG_OFF, DEFAULT(FALSE), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(check_has_super)); -static bool fix_sql_log_bin(sys_var *self, THD *thd, enum_var_type type) +/** + This function sets the session variable thd->variables.sql_log_bin + to reflect changes to @@session.sql_log_bin. + + @param[IN] self A pointer to the sys_var, i.e. Sys_log_binlog. + @param[IN] type The type either session or global. + + @return @c FALSE. +*/ +static bool fix_sql_log_bin_after_update(sys_var *self, THD *thd, + enum_var_type type) { - if (type != OPT_GLOBAL && !thd->in_sub_stmt) - thd->sql_log_bin_toplevel= thd->variables.option_bits & OPTION_BIN_LOG; - return false; + if (type == OPT_SESSION) + { + if (thd->variables.sql_log_bin) + thd->variables.option_bits |= OPTION_BIN_LOG; + else + thd->variables.option_bits &= ~OPTION_BIN_LOG; + } + return FALSE; } -static Sys_var_bit Sys_log_binlog( + +/** + This function checks if the sql_log_bin can be changed, + what is possible if: + - the user is a super user; + - the set is not called from within a function/trigger; + - there is no on-going transaction. + + @param[IN] self A pointer to the sys_var, i.e. Sys_log_binlog. + @param[IN] var A pointer to the set_var created by the parser. + + @return @c FALSE if the change is allowed, otherwise @c TRUE. +*/ +static bool check_sql_log_bin(sys_var *self, THD *thd, set_var *var) +{ + if (check_has_super(self, thd, var)) + return TRUE; + + if (var->type == OPT_GLOBAL) + return FALSE; + + /* If in a stored function/trigger, it's too late to change sql_log_bin. */ + if (thd->in_sub_stmt) + { + my_error(ER_STORED_FUNCTION_PREVENTS_SWITCH_SQL_LOG_BIN, MYF(0)); + return TRUE; + } + /* Make the session variable 'sql_log_bin' read-only inside a transaction. */ + if (thd->in_active_multi_stmt_transaction()) + { + my_error(ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN, MYF(0)); + return TRUE; + } + + return FALSE; +} + +static Sys_var_mybool Sys_log_binlog( "sql_log_bin", "sql_log_bin", - SESSION_VAR(option_bits), NO_CMD_LINE, OPTION_BIN_LOG, - DEFAULT(TRUE), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(check_has_super), - ON_UPDATE(fix_sql_log_bin)); + SESSION_VAR(sql_log_bin), NO_CMD_LINE, + DEFAULT(TRUE), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(check_sql_log_bin), + ON_UPDATE(fix_sql_log_bin_after_update)); static Sys_var_bit Sys_sql_warnings( "sql_warnings", "sql_warnings", From 6f55a81074c03298b06399868660f8ed5ccae1e1 Mon Sep 17 00:00:00 2001 From: Sergey Glukhov Date: Thu, 27 May 2010 19:54:43 +0400 Subject: [PATCH 352/400] Bug#52856 concurrent show columns or show full columns causes a crash!!!1 We should avoid any SHARE fields assignments as this is shared structure and assignments may affect other therads. To avoid this copy of SHARE struct is created and stored into TABLE struct which is used in get_schema_coulumns_record later. --- mysql-test/r/mdl_sync.result | 14 +++++++++++ mysql-test/t/mdl_sync.test | 20 ++++++++++++++++ sql/sql_show.cc | 45 +++++++++--------------------------- 3 files changed, 45 insertions(+), 34 deletions(-) diff --git a/mysql-test/r/mdl_sync.result b/mysql-test/r/mdl_sync.result index 984f0df3d0e..8f236521f99 100644 --- a/mysql-test/r/mdl_sync.result +++ b/mysql-test/r/mdl_sync.result @@ -2381,3 +2381,17 @@ commit; # Reap ALTER TABLE. set debug_sync= 'RESET'; drop table t1; +# +# Bug#52856 concurrent show columns or show full columns causes a crash!!! +# +CREATE TABLE t1(a CHAR(255)); +SET DEBUG_SYNC= "get_schema_column SIGNAL waiting WAIT_FOR completed"; +SHOW FULL COLUMNS FROM t1; +SET DEBUG_SYNC= "now WAIT_FOR waiting"; +SHOW FULL COLUMNS FROM t1; +Field Type Collation Null Key Default Extra Privileges Comment +a char(255) latin1_swedish_ci YES NULL select,insert,update,references +SET DEBUG_SYNC= "now SIGNAL completed"; +Field Type Collation Null Key Default Extra Privileges Comment +a char(255) latin1_swedish_ci YES NULL select,insert,update,references +DROP TABLE t1; diff --git a/mysql-test/t/mdl_sync.test b/mysql-test/t/mdl_sync.test index ef434e33cfa..dff29d2f6b6 100644 --- a/mysql-test/t/mdl_sync.test +++ b/mysql-test/t/mdl_sync.test @@ -3468,6 +3468,26 @@ connection default; set debug_sync= 'RESET'; drop table t1; +--echo # +--echo # Bug#52856 concurrent show columns or show full columns causes a crash!!! +--echo # +CREATE TABLE t1(a CHAR(255)); + +connect(con1, localhost, root); +SET DEBUG_SYNC= "get_schema_column SIGNAL waiting WAIT_FOR completed"; +--send SHOW FULL COLUMNS FROM t1 + +connection default; +SET DEBUG_SYNC= "now WAIT_FOR waiting"; +SHOW FULL COLUMNS FROM t1; +SET DEBUG_SYNC= "now SIGNAL completed"; + +connection con1; +--reap +connection default; +DROP TABLE t1; +disconnect con1; + # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. diff --git a/sql/sql_show.cc b/sql/sql_show.cc index 00a507f0e47..07470ff4f42 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -18,6 +18,7 @@ #include "my_global.h" /* NO_EMBEDDED_ACCESS_CHECKS */ #include "sql_priv.h" +#include "debug_sync.h" #include "unireg.h" #include "sql_acl.h" // fill_schema_*_privileges #include "sql_select.h" // For select_describe @@ -3292,12 +3293,17 @@ static int fill_schema_table_from_frm(THD *thd, TABLE_LIST *tables, goto end_share; } + if (!open_table_from_share(thd, share, table_name->str, 0, + (EXTRA_RECORD | OPEN_FRM_FILE_ONLY), + thd->open_options, &tbl, FALSE)) { tbl.s= share; table_list.table= &tbl; table_list.view= (LEX*) share->is_view; res= schema_table->process_table(thd, &table_list, table, res, db_name, table_name); + free_root(&tbl.mem_root, MYF(0)); + my_free((char*) tbl.alias, MYF(MY_ALLOW_ZERO_PTR)); } end_share: @@ -4024,7 +4030,6 @@ static int get_schema_column_record(THD *thd, TABLE_LIST *tables, const char *wild= lex->wild ? lex->wild->ptr() : NullS; CHARSET_INFO *cs= system_charset_info; TABLE *show_table; - TABLE_SHARE *show_table_share; Field **ptr, *field, *timestamp_field; int count; DBUG_ENTER("get_schema_column_record"); @@ -4047,37 +4052,11 @@ static int get_schema_column_record(THD *thd, TABLE_LIST *tables, } show_table= tables->table; - show_table_share= show_table->s; count= 0; - - if (tables->view || tables->schema_table) - { - ptr= show_table->field; - timestamp_field= show_table->timestamp_field; - show_table->use_all_columns(); // Required for default - } - else - { - ptr= show_table_share->field; - timestamp_field= show_table_share->timestamp_field; - /* - read_set may be inited in case of - temporary table - */ - if (!show_table->read_set) - { - /* to satisfy 'field->val_str' ASSERTs */ - uchar *bitmaps; - uint bitmap_size= show_table_share->column_bitmap_size; - if (!(bitmaps= (uchar*) alloc_root(thd->mem_root, bitmap_size))) - DBUG_RETURN(0); - bitmap_init(&show_table->def_read_set, - (my_bitmap_map*) bitmaps, show_table_share->fields, FALSE); - bitmap_set_all(&show_table->def_read_set); - show_table->read_set= &show_table->def_read_set; - } - bitmap_set_all(show_table->read_set); - } + ptr= show_table->field; + timestamp_field= show_table->timestamp_field; + show_table->use_all_columns(); // Required for default + restore_record(show_table, s->default_values); for (; (field= *ptr) ; ptr++) { @@ -4086,9 +4065,7 @@ static int get_schema_column_record(THD *thd, TABLE_LIST *tables, String type(tmp,sizeof(tmp), system_charset_info); char *end; - /* to satisfy 'field->val_str' ASSERTs */ - field->table= show_table; - show_table->in_use= thd; + DEBUG_SYNC(thd, "get_schema_column"); if (wild && wild[0] && wild_case_compare(system_charset_info, field->field_name,wild)) From 20bd61a6e16f7a8ca38b24d84efd5d5335445eb5 Mon Sep 17 00:00:00 2001 From: Sergey Glukhov Date: Thu, 27 May 2010 20:01:43 +0400 Subject: [PATCH 353/400] Bug#52430 Incorrect key in the error message for duplicate key error involving BINARY type For BINARY(N) strip trailing zeroes to make the error message nice-looking --- mysql-test/r/errors.result | 14 ++++++++++++++ mysql-test/r/type_binary.result | 2 +- mysql-test/t/errors.test | 15 +++++++++++++++ sql/key.cc | 10 ++++++++++ 4 files changed, 40 insertions(+), 1 deletion(-) diff --git a/mysql-test/r/errors.result b/mysql-test/r/errors.result index a3a8fe0b147..3d247a242a3 100644 --- a/mysql-test/r/errors.result +++ b/mysql-test/r/errors.result @@ -120,3 +120,17 @@ SET sql_quote_show_create= _utf8 x'5452C39C45'; ERROR 42000: Variable 'sql_quote_show_create' can't be set to the value of 'TRÃœE' SET sql_quote_show_create=_latin1 x'5452DC45'; ERROR 42000: Variable 'sql_quote_show_create' can't be set to the value of 'TRÃœE' +# +# Bug#52430 Incorrect key in the error message for duplicate key error involving BINARY type +# +CREATE TABLE t1(c1 BINARY(10), c2 BINARY(10), c3 BINARY(10), +PRIMARY KEY(c1,c2,c3)); +INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); +INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); +ERROR 23000: Duplicate entry 'abc-abc-abc' for key 'PRIMARY' +DROP TABLE t1; +CREATE TABLE t1 (f1 VARBINARY(19) PRIMARY KEY); +INSERT INTO t1 VALUES ('abc\0\0'); +INSERT INTO t1 VALUES ('abc\0\0'); +ERROR 23000: Duplicate entry 'abc\x00\x00' for key 'PRIMARY' +DROP TABLE t1; diff --git a/mysql-test/r/type_binary.result b/mysql-test/r/type_binary.result index 01841bf27fc..b00d1585b29 100644 --- a/mysql-test/r/type_binary.result +++ b/mysql-test/r/type_binary.result @@ -47,7 +47,7 @@ create table t1 (s1 binary(2) primary key); insert into t1 values (0x01); insert into t1 values (0x0120); insert into t1 values (0x0100); -ERROR 23000: Duplicate entry '\x01\x00' for key 'PRIMARY' +ERROR 23000: Duplicate entry '\x01' for key 'PRIMARY' select hex(s1) from t1 order by s1; hex(s1) 0100 diff --git a/mysql-test/t/errors.test b/mysql-test/t/errors.test index 5e53eaf0a52..f308c340645 100644 --- a/mysql-test/t/errors.test +++ b/mysql-test/t/errors.test @@ -140,3 +140,18 @@ SET sql_quote_show_create= _utf8 x'5452C39C45'; --error ER_WRONG_VALUE_FOR_VAR SET sql_quote_show_create=_latin1 x'5452DC45'; +--echo # +--echo # Bug#52430 Incorrect key in the error message for duplicate key error involving BINARY type +--echo # +CREATE TABLE t1(c1 BINARY(10), c2 BINARY(10), c3 BINARY(10), +PRIMARY KEY(c1,c2,c3)); +INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); +--error ER_DUP_ENTRY +INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); +DROP TABLE t1; + +CREATE TABLE t1 (f1 VARBINARY(19) PRIMARY KEY); +INSERT INTO t1 VALUES ('abc\0\0'); +--error ER_DUP_ENTRY +INSERT INTO t1 VALUES ('abc\0\0'); +DROP TABLE t1; diff --git a/sql/key.cc b/sql/key.cc index d593850ca10..582334620ad 100644 --- a/sql/key.cc +++ b/sql/key.cc @@ -354,6 +354,16 @@ void key_unpack(String *to,TABLE *table,uint idx) { CHARSET_INFO *cs= field->charset(); field->val_str(&tmp); + /* + For BINARY(N) strip trailing zeroes to make + the error message nice-looking + */ + if (field->binary() && field->type() == MYSQL_TYPE_STRING && tmp.length()) + { + const char *tmp_end= tmp.ptr() + tmp.length(); + while (tmp_end > tmp.ptr() && !*--tmp_end); + tmp.length(tmp_end - tmp.ptr() + 1); + } if (cs->mbmaxlen > 1 && table->field[key_part->fieldnr - 1]->field_length != key_part->length) From 8cd8a83a441e99962e700888d217f0dfd7808655 Mon Sep 17 00:00:00 2001 From: Inaam Rana Date: Thu, 27 May 2010 12:53:39 -0400 Subject: [PATCH 354/400] Fix the printout for long semaphore waits to not list a thread doing a wait_ex as an s-lock waiter. --- storage/innobase/sync/sync0arr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/storage/innobase/sync/sync0arr.c b/storage/innobase/sync/sync0arr.c index 2cdac11a608..248bd2cd25d 100644 --- a/storage/innobase/sync/sync0arr.c +++ b/storage/innobase/sync/sync0arr.c @@ -504,7 +504,9 @@ sync_array_cell_print( || type == RW_LOCK_WAIT_EX || type == RW_LOCK_SHARED) { - fputs(type == RW_LOCK_EX ? "X-lock on" : "S-lock on", file); + fputs(type == RW_LOCK_EX ? "X-lock on" + : type == RW_LOCK_WAIT_EX ? "X-lock (wait_ex) on" + : "S-lock on", file); rwlock = cell->old_wait_rw_lock; From 87dfc8ef1ddf9cfebf535fbfce70152ce3ee6c23 Mon Sep 17 00:00:00 2001 From: Joerg Bruehe Date: Thu, 27 May 2010 19:02:19 +0200 Subject: [PATCH 355/400] Get rid of the "net retry count" difference which is not needed any more with current versions of FreeBSD. (Entries 52410 and 52412 in the Bug DB) That change is based on Dan Nelson replying on the FreeBSD mailing list, freebsd-questions@freebsd.org in a thread running from 2010-Apr-29 to 2010-May-1 titled "Need info about FreeBSD and interrupted system calls for MySQL code" Also, ensure the cmake settings correspond to the autotools ones: Add "HAVE_BROKEN_REALPATH" to cmake. --- cmake/os/FreeBSD.cmake | 9 ++++++--- configure.in | 14 +++++++++++--- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/cmake/os/FreeBSD.cmake b/cmake/os/FreeBSD.cmake index 0b958c61315..be7af778e93 100644 --- a/cmake/os/FreeBSD.cmake +++ b/cmake/os/FreeBSD.cmake @@ -1,5 +1,5 @@ -# Copyright (C) 2010 Sun Microsystems, Inc +# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,6 +15,9 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # This file includes FreeBSD specific options and quirks, related to system checks -#Legacy option, maybe not needed anymore , taken as is from autotools build -ADD_DEFINITIONS(-DNET_RETRY_COUNT=1000000) +# Should not be needed any more, but kept for easy resurrection if needed +# #Legacy option, maybe not needed anymore , taken as is from autotools build +# ADD_DEFINITIONS(-DNET_RETRY_COUNT=1000000) + +ADD_DEFINITIONS(-DHAVE_BROKEN_REALPATH) diff --git a/configure.in b/configure.in index 7b84dbe9631..d98bd788b3a 100644 --- a/configure.in +++ b/configure.in @@ -1,7 +1,7 @@ dnl -*- ksh -*- dnl Process this file with autoconf to produce a configure script. -# Copyright (C) 2008-2009 Sun Microsystems, Inc +# Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -1295,14 +1295,22 @@ case $SYSTEM_TYPE in fi ;; *freebsd*|*dragonfly*) - AC_MSG_WARN([Adding fix for interrupted reads]) + dnl These dependencies have not really been checked for some time OSVERSION=`sysctl -a | grep osreldate | awk '{ print $2 }'` - if test "$OSVERSION" -gt "480100" && \ + if test "$OSVERSION" -gt "600000" + then + # Post user-level threads, MYSQLD_NET_RETRY_COUNT is not needed any more + AC_MSG_WARN([Adding fix for broken realpath]) + CFLAGS="$CFLAGS -DHAVE_BROKEN_REALPATH" + CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_REALPATH" + elif test "$OSVERSION" -gt "480100" && \ test "$OSVERSION" -lt "500000" || \ test "$OSVERSION" -gt "500109" then + AC_MSG_WARN([Adding fix for interrupted reads]) CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000" else + AC_MSG_WARN([Adding fix for interrupted reads and broken realpath]) CFLAGS="$CFLAGS -DHAVE_BROKEN_REALPATH" CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000 -DHAVE_BROKEN_REALPATH" fi From ef681d4205241911cbcbae4b11c956281dbd8bd0 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Thu, 27 May 2010 20:30:08 +0300 Subject: [PATCH 356/400] Add two debug assertions and a comment to make it clear that consecutive_ios[0] cannot be NULL when slot is assigned. --- storage/innobase/os/os0file.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/storage/innobase/os/os0file.c b/storage/innobase/os/os0file.c index c0551f8bd63..c07f8f4bf95 100644 --- a/storage/innobase/os/os0file.c +++ b/storage/innobase/os/os0file.c @@ -4706,6 +4706,11 @@ restart: goto wait_for_io; } + /* if n_consecutive != 0, then we have assigned + something valid to consecutive_ios[0] */ + ut_ad(n_consecutive != 0); + ut_ad(consecutive_ios[0] != NULL); + slot = consecutive_ios[0]; /* Check if there are several consecutive blocks to read or write */ From 5c11f02904a110937ae1dc58fd55c6fb44d2c38f Mon Sep 17 00:00:00 2001 From: Calvin Sun Date: Fri, 28 May 2010 02:41:03 -0500 Subject: [PATCH 357/400] mysql-trunk-innodb: undo r3119 of disabling test cases. r3119 does not prevent the crash even the test is disabled. The crash occurs during shutdown. --- mysql-test/t/bug46760.test | 6 ------ mysql-test/t/innodb_autoinc_lock_mode_zero.test | 6 ------ mysql-test/t/innodb_bug30919.test | 6 ------ mysql-test/t/lock_tables_lost_commit.test | 6 ------ 4 files changed, 24 deletions(-) diff --git a/mysql-test/t/bug46760.test b/mysql-test/t/bug46760.test index 32b0dd3c715..f55edbbfa42 100644 --- a/mysql-test/t/bug46760.test +++ b/mysql-test/t/bug46760.test @@ -1,9 +1,3 @@ ---source include/not_windows_embedded.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed - -- source include/have_innodb.inc --echo # diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero.test b/mysql-test/t/innodb_autoinc_lock_mode_zero.test index 2a9c69b9876..96f748673c0 100644 --- a/mysql-test/t/innodb_autoinc_lock_mode_zero.test +++ b/mysql-test/t/innodb_autoinc_lock_mode_zero.test @@ -1,9 +1,3 @@ ---source include/not_windows_embedded.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed - # This test runs with old-style locking, as: # --innodb-autoinc-lock-mode=0 diff --git a/mysql-test/t/innodb_bug30919.test b/mysql-test/t/innodb_bug30919.test index 2b09a76b1df..56b2c7bc03d 100644 --- a/mysql-test/t/innodb_bug30919.test +++ b/mysql-test/t/innodb_bug30919.test @@ -1,9 +1,3 @@ ---source include/not_windows_embedded.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed - --source include/have_innodb.inc --source include/have_partition.inc --vertical_results diff --git a/mysql-test/t/lock_tables_lost_commit.test b/mysql-test/t/lock_tables_lost_commit.test index f7ce6df87cf..754c8f3c378 100644 --- a/mysql-test/t/lock_tables_lost_commit.test +++ b/mysql-test/t/lock_tables_lost_commit.test @@ -1,9 +1,3 @@ ---source include/not_windows_embedded.inc -# remove this when -# Bug#53947 InnoDB: Assertion failure in thread 4224 in file -# .\sync\sync0sync.c line 324 -# is fixed - # Test for Bug#578 mysqlimport -l silently fails when binlog-ignore-db is set --source include/have_innodb.inc From 507621cec80e1fa41f188af3d1d5b37390abddc2 Mon Sep 17 00:00:00 2001 From: Jonathan Perkin Date: Fri, 28 May 2010 13:56:57 +0100 Subject: [PATCH 358/400] Differentiate between Oracle Enterprise Linux and Red Hat Enterprise Linux. --- support-files/mysql.spec.sh | 57 ++++++++++++++++++++++++------------- 1 file changed, 38 insertions(+), 19 deletions(-) diff --git a/support-files/mysql.spec.sh b/support-files/mysql.spec.sh index 657dd3fbbdf..15fb2718c28 100644 --- a/support-files/mysql.spec.sh +++ b/support-files/mysql.spec.sh @@ -121,43 +121,62 @@ %define distro_specific 0 %endif %if %{distro_specific} - %if %(test -f /etc/redhat-release && echo 1 || echo 0) - %define elver %(rpm -qf --qf '%%{version}\\n' /etc/redhat-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') + %if %(test -f /etc/enterprise-release && echo 1 || echo 0) + %define elver %(rpm -qf --qf '%%{version}\\n' /etc/enterprise-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') %if "%elver" == "4" - %define distro_description Enterprise Linux 4 + %define distro_description Oracle Enterprise Linux 4 %define distro_releasetag el4 %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel %define distro_requires chkconfig coreutils grep procps shadow-utils %else %if "%elver" == "5" - %define distro_description Enterprise Linux 5 + %define distro_description Oracle Enterprise Linux 5 %define distro_releasetag el5 %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel %define distro_requires chkconfig coreutils grep procps shadow-utils %else - %{error:Enterprise Linux %{elver} is unsupported} + %{error:Oracle Enterprise Linux %{elver} is unsupported} %endif %endif %else - %if %(test -f /etc/SuSE-release && echo 1 || echo 0) - %define susever %(rpm -qf --qf '%%{version}\\n' /etc/SuSE-release) - %if "%susever" == "10" - %define distro_description SUSE Linux Enterprise Server 10 - %define distro_releasetag sles10 - %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client readline-devel zlib-devel - %define distro_requires aaa_base coreutils grep procps pwdutils + %if %(test -f /etc/redhat-release && echo 1 || echo 0) + %define rhelver %(rpm -qf --qf '%%{version}\\n' /etc/redhat-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') + %if "%rhelver" == "4" + %define distro_description Red Hat Enterprise Linux 4 + %define distro_releasetag rhel4 + %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel + %define distro_requires chkconfig coreutils grep procps shadow-utils %else - %if "%susever" == "11" - %define distro_description SUSE Linux Enterprise Server 11 - %define distro_releasetag sles11 - %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client procps pwdutils readline-devel zlib-devel - %define distro_requires aaa_base coreutils grep procps pwdutils + %if "%rhelver" == "5" + %define distro_description Red Hat Enterprise Linux 5 + %define distro_releasetag rhel5 + %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel + %define distro_requires chkconfig coreutils grep procps shadow-utils %else - %{error:SuSE %{susever} is unsupported} + %{error:Red Hat Enterprise Linux %{rhelver} is unsupported} %endif %endif %else - %{error:Unsupported distribution} + %if %(test -f /etc/SuSE-release && echo 1 || echo 0) + %define susever %(rpm -qf --qf '%%{version}\\n' /etc/SuSE-release) + %if "%susever" == "10" + %define distro_description SUSE Linux Enterprise Server 10 + %define distro_releasetag sles10 + %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client readline-devel zlib-devel + %define distro_requires aaa_base coreutils grep procps pwdutils + %else + %if "%susever" == "11" + %define distro_description SUSE Linux Enterprise Server 11 + %define distro_releasetag sles11 + %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client procps pwdutils readline-devel zlib-devel + %define distro_requires aaa_base coreutils grep procps pwdutils + %else + %{error:SuSE %{susever} is unsupported} + %endif + %endif + %else + %{error:Unsupported distribution} + %endif %endif %endif %else From 80fc19ade7fd66f82d5ad0be69c8c7815020b590 Mon Sep 17 00:00:00 2001 From: "oystein.grovlen@sun.com" <> Date: Fri, 28 May 2010 17:30:39 +0200 Subject: [PATCH 359/400] Bug#52168 decimal casting catastrophes: crashes and valgrind errors on simple casts The problem is that if a NULL is stored in an Item_cache_decimal object, the associated my_decimal object is not initialized. However, it is still accessed when val_int() is called. The fix is to check for null_value within val_int(), and return without accessing the my_decimal object when the cached value is NULL. Bug#52122 reports the same issue for val_real(), and this patch also includes fixes for val_real() and val_str() and corresponding test cases from that bug report. Also, NULL is returned from val_decimal() when value is null. This will avoid that callers access an uninitialized my_decimal object. Made similar changes to all other Item_cache classes. Now all val_* methods should return a well defined value when actual value is NULL. --- mysql-test/r/type_decimal.result | 28 ++++++++++++++++++++++ mysql-test/t/type_decimal.test | 41 ++++++++++++++++++++++++++++++++ sql/item.cc | 36 ++++++++++++++-------------- sql/item.h | 9 +++++++ 4 files changed, 96 insertions(+), 18 deletions(-) diff --git a/mysql-test/r/type_decimal.result b/mysql-test/r/type_decimal.result index d131fa2b4d5..d08f86909ba 100644 --- a/mysql-test/r/type_decimal.result +++ b/mysql-test/r/type_decimal.result @@ -966,3 +966,31 @@ max(case 1 when 1 then c else null end) 300.00 drop table t1; End of 5.0 tests +CREATE TABLE t1 (a INTEGER); +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 (b INTEGER); +INSERT INTO t2 VALUES (NULL), (NULL); +SELECT b FROM t1 JOIN t2 WHERE CONVERT(a, DECIMAL)|CONVERT(b, DECIMAL); +b +DROP TABLE t1, t2; +CREATE TABLE t1 (col0 INTEGER, col1 REAL); +CREATE TABLE t2 (col0 INTEGER); +INSERT INTO t1 VALUES (0, 0.0), (NULL, NULL); +INSERT INTO t2 VALUES (1); +SELECT 1 FROM t1 +JOIN +( +SELECT t2.col0 FROM t2 RIGHT JOIN t1 USING(col0) +GROUP BY t2.col0 +) AS subq +WHERE t1.col1 + CAST(subq.col0 AS DECIMAL); +1 +SELECT 1 FROM t1 +JOIN +( +SELECT t2.col0 FROM t2 RIGHT JOIN t1 USING(col0) +GROUP BY t2.col0 +) AS subq +WHERE CONCAT(t1.col1, CAST(subq.col0 AS DECIMAL)); +1 +DROP TABLE t1, t2; diff --git a/mysql-test/t/type_decimal.test b/mysql-test/t/type_decimal.test index 5d9a2aaa5f4..1d4ef345747 100644 --- a/mysql-test/t/type_decimal.test +++ b/mysql-test/t/type_decimal.test @@ -542,3 +542,44 @@ select max(case 1 when 1 then c else null end) from t1 group by c; drop table t1; --echo End of 5.0 tests + +# +# Bug#52168 decimal casting catastrophes: +# crashes and valgrind errors on simple casts +# + +# Uninitialized read when calling Item_cache_decimal::val_int() +CREATE TABLE t1 (a INTEGER); +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 (b INTEGER); +INSERT INTO t2 VALUES (NULL), (NULL); +SELECT b FROM t1 JOIN t2 WHERE CONVERT(a, DECIMAL)|CONVERT(b, DECIMAL); +DROP TABLE t1, t2; + +# +# Bug#52122 crash when converting derived table column to decimal +# +CREATE TABLE t1 (col0 INTEGER, col1 REAL); +CREATE TABLE t2 (col0 INTEGER); +INSERT INTO t1 VALUES (0, 0.0), (NULL, NULL); +INSERT INTO t2 VALUES (1); + +# Uninitialized read when calling Item_cache_decimal::val_real() +SELECT 1 FROM t1 +JOIN +( + SELECT t2.col0 FROM t2 RIGHT JOIN t1 USING(col0) + GROUP BY t2.col0 +) AS subq +WHERE t1.col1 + CAST(subq.col0 AS DECIMAL); + +# Uninitialized read when calling Item_cache_decimal::val_str() +SELECT 1 FROM t1 +JOIN +( + SELECT t2.col0 FROM t2 RIGHT JOIN t1 USING(col0) + GROUP BY t2.col0 +) AS subq +WHERE CONCAT(t1.col1, CAST(subq.col0 AS DECIMAL)); + +DROP TABLE t1, t2; diff --git a/sql/item.cc b/sql/item.cc index 5905c3ee090..ff036a9fb54 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -7431,7 +7431,7 @@ void Item_cache_int::store(Item *item, longlong val_arg) String *Item_cache_int::val_str(String *str) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; str->set(value, default_charset()); return str; @@ -7441,7 +7441,7 @@ String *Item_cache_int::val_str(String *str) my_decimal *Item_cache_int::val_decimal(my_decimal *decimal_val) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; int2my_decimal(E_DEC_FATAL_ERROR, value, unsigned_flag, decimal_val); return decimal_val; @@ -7450,7 +7450,7 @@ my_decimal *Item_cache_int::val_decimal(my_decimal *decimal_val) double Item_cache_int::val_real() { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return 0.0; return (double) value; } @@ -7458,7 +7458,7 @@ double Item_cache_int::val_real() longlong Item_cache_int::val_int() { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return 0; return value; } @@ -7514,7 +7514,7 @@ String *Item_cache_datetime::val_str(String *str) my_decimal *Item_cache_datetime::val_decimal(my_decimal *decimal_val) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value_int()) + if (!has_value()) return NULL; int2my_decimal(E_DEC_FATAL_ERROR, int_value, unsigned_flag, decimal_val); return decimal_val; @@ -7550,7 +7550,7 @@ bool Item_cache_real::cache_value() double Item_cache_real::val_real() { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return 0.0; return value; } @@ -7558,7 +7558,7 @@ double Item_cache_real::val_real() longlong Item_cache_real::val_int() { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return 0; return (longlong) rint(value); } @@ -7567,7 +7567,7 @@ longlong Item_cache_real::val_int() String* Item_cache_real::val_str(String *str) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; str->set_real(value, decimals, default_charset()); return str; @@ -7577,7 +7577,7 @@ String* Item_cache_real::val_str(String *str) my_decimal *Item_cache_real::val_decimal(my_decimal *decimal_val) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; double2my_decimal(E_DEC_FATAL_ERROR, value, decimal_val); return decimal_val; @@ -7599,7 +7599,7 @@ double Item_cache_decimal::val_real() { DBUG_ASSERT(fixed); double res; - if (!value_cached && !cache_value()) + if (!has_value()) return 0.0; my_decimal2double(E_DEC_FATAL_ERROR, &decimal_value, &res); return res; @@ -7609,7 +7609,7 @@ longlong Item_cache_decimal::val_int() { DBUG_ASSERT(fixed); longlong res; - if (!value_cached && !cache_value()) + if (!has_value()) return 0; my_decimal2int(E_DEC_FATAL_ERROR, &decimal_value, unsigned_flag, &res); return res; @@ -7618,7 +7618,7 @@ longlong Item_cache_decimal::val_int() String* Item_cache_decimal::val_str(String *str) { DBUG_ASSERT(fixed); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; my_decimal_round(E_DEC_FATAL_ERROR, &decimal_value, decimals, FALSE, &decimal_value); @@ -7629,7 +7629,7 @@ String* Item_cache_decimal::val_str(String *str) my_decimal *Item_cache_decimal::val_decimal(my_decimal *val) { DBUG_ASSERT(fixed); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; return &decimal_value; } @@ -7665,7 +7665,7 @@ double Item_cache_str::val_real() DBUG_ASSERT(fixed == 1); int err_not_used; char *end_not_used; - if (!value_cached && !cache_value()) + if (!has_value()) return 0.0; if (value) return my_strntod(value->charset(), (char*) value->ptr(), @@ -7678,7 +7678,7 @@ longlong Item_cache_str::val_int() { DBUG_ASSERT(fixed == 1); int err; - if (!value_cached && !cache_value()) + if (!has_value()) return 0; if (value) return my_strntoll(value->charset(), value->ptr(), @@ -7691,7 +7691,7 @@ longlong Item_cache_str::val_int() String* Item_cache_str::val_str(String *str) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return 0; return value; } @@ -7700,7 +7700,7 @@ String* Item_cache_str::val_str(String *str) my_decimal *Item_cache_str::val_decimal(my_decimal *decimal_val) { DBUG_ASSERT(fixed == 1); - if (!value_cached && !cache_value()) + if (!has_value()) return NULL; if (value) string2my_decimal(E_DEC_FATAL_ERROR, value, decimal_val); @@ -7712,7 +7712,7 @@ my_decimal *Item_cache_str::val_decimal(my_decimal *decimal_val) int Item_cache_str::save_in_field(Field *field, bool no_conversions) { - if (!value_cached && !cache_value()) + if (!has_value()) return 0; int res= Item_cache::save_in_field(field, no_conversions); return (is_varbinary && field->type() == MYSQL_TYPE_STRING && diff --git a/sql/item.h b/sql/item.h index 5f4f96f97d3..8360fa61498 100644 --- a/sql/item.h +++ b/sql/item.h @@ -3191,6 +3191,15 @@ public: { return this == item; } + /** + Check if saved item has a non-NULL value. + Will cache value of saved item if not already done. + @return TRUE if cached value is non-NULL. + */ + bool has_value() + { + return (value_cached || cache_value()) && !null_value; + } virtual void store(Item *item); virtual bool cache_value()= 0; bool basic_const_item() const From d60a0ce9be619c885e76da2a6f9377d6f657cd38 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Fri, 28 May 2010 18:00:18 -0300 Subject: [PATCH 360/400] Backport a old cleanup patch. Formatting cleanup: removing tabs and trailing spaces to conform to MySQL Internals Coding Guidelines. --- sql/log_event.cc | 72 ++++++++--------- sql/sp_head.cc | 203 +++++++++++++++++++++++------------------------ 2 files changed, 136 insertions(+), 139 deletions(-) diff --git a/sql/log_event.cc b/sql/log_event.cc index db49cde6f03..00015ea52fe 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -3351,11 +3351,12 @@ compare_errors: */ actual_error= thd->is_error() ? thd->stmt_da->sql_errno() : 0; DBUG_PRINT("info",("expected_error: %d sql_errno: %d", - expected_error, actual_error)); + expected_error, actual_error)); + if ((expected_error && expected_error != actual_error && !concurrency_error_code(expected_error)) && - !ignored_error_code(actual_error) && - !ignored_error_code(expected_error)) + !ignored_error_code(actual_error) && + !ignored_error_code(expected_error)) { rli->report(ERROR_LEVEL, 0, "\ @@ -3373,9 +3374,9 @@ Default database: '%s'. Query: '%s'", If we get the same error code as expected and it is not a concurrency issue, or should be ignored. */ - else if ((expected_error == actual_error && + else if ((expected_error == actual_error && !concurrency_error_code(expected_error)) || - ignored_error_code(actual_error)) + ignored_error_code(actual_error)) { DBUG_PRINT("info",("error ignored")); clear_all_errors(thd, const_cast(rli)); @@ -3394,7 +3395,7 @@ Default database: '%s'. Query: '%s'", If we expected a non-zero error code and get nothing and, it is a concurrency issue or should be ignored. */ - else if (expected_error && !actual_error && + else if (expected_error && !actual_error && (concurrency_error_code(expected_error) || ignored_error_code(expected_error))) trans_rollback_stmt(thd); @@ -3435,12 +3436,13 @@ Default database: '%s'. Query: '%s'", */ } /* End of if (db_ok(... */ - {/** - The following failure injecion works in cooperation with tests + { + /** + The following failure injecion works in cooperation with tests setting @@global.debug= 'd,stop_slave_middle_group'. - The sql thread receives the killed status and will proceed + The sql thread receives the killed status and will proceed to shutdown trying to finish incomplete events group. - */ + */ DBUG_EXECUTE_IF("stop_slave_middle_group", if (strcmp("COMMIT", query) != 0 && strcmp("BEGIN", query) != 0) @@ -3455,7 +3457,7 @@ end: Probably we have set thd->query, thd->db, thd->catalog to point to places in the data_buf of this event. Now the event is going to be deleted probably, so data_buf will be freed, so the thd->... listed above will be - pointers to freed memory. + pointers to freed memory. So we must set them to 0, so that those bad pointers values are not later used. Note that "cleanup" queries like automatic DROP TEMPORARY TABLE don't suffer from these assignments to 0 as DROP TEMPORARY @@ -3465,7 +3467,7 @@ end: thd->set_db(NULL, 0); /* will free the current database */ thd->set_query(NULL, 0); DBUG_PRINT("info", ("end: query= 0")); - close_thread_tables(thd); + close_thread_tables(thd); /* As a disk space optimization, future masters will not log an event for LAST_INSERT_ID() if that function returned 0 (and thus they will be able @@ -3767,7 +3769,7 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver) */ if (post_header_len) { -#ifndef DBUG_OFF +#ifndef DBUG_OFF // Allows us to sanity-check that all events initialized their // events (see the end of this 'if' block). memset(post_header_len, 255, number_of_event_types*sizeof(uint8)); @@ -4621,9 +4623,9 @@ void Load_log_event::print(FILE* file_arg, PRINT_EVENT_INFO* print_event_info, for (i = 0; i < num_fields; i++) { if (i) - my_b_printf(&cache, ","); + my_b_printf(&cache, ","); my_b_printf(&cache, "%s", field); - + field += field_lens[i] + 1; } my_b_printf(&cache, ")"); @@ -4793,9 +4795,7 @@ int Load_log_event::do_apply_event(NET* net, Relay_log_info const *rli, thd->set_query(load_data_query, (uint) (end - load_data_query)); if (sql_ex.opt_flags & REPLACE_FLAG) - { - handle_dup= DUP_REPLACE; - } + handle_dup= DUP_REPLACE; else if (sql_ex.opt_flags & IGNORE_FLAG) { ignore= 1; @@ -4804,14 +4804,14 @@ int Load_log_event::do_apply_event(NET* net, Relay_log_info const *rli, else { /* - When replication is running fine, if it was DUP_ERROR on the + When replication is running fine, if it was DUP_ERROR on the master then we could choose IGNORE here, because if DUP_ERROR suceeded on master, and data is identical on the master and slave, then there should be no uniqueness errors on slave, so IGNORE is the same as DUP_ERROR. But in the unlikely case of uniqueness errors (because the data on the master and slave happen to be different - (user error or bug), we want LOAD DATA to print an error message on - the slave to discover the problem. + (user error or bug), we want LOAD DATA to print an error message on + the slave to discover the problem. If reading from net (a 3.23 master), mysql_load() will change this to IGNORE. @@ -4843,7 +4843,7 @@ int Load_log_event::do_apply_event(NET* net, Relay_log_info const *rli, ex.opt_enclosed = (sql_ex.opt_flags & OPT_ENCLOSED_FLAG); if (sql_ex.empty_flags & FIELD_TERM_EMPTY) - ex.field_term->length(0); + ex.field_term->length(0); ex.skip_lines = skip_lines; List field_list; @@ -4852,12 +4852,10 @@ int Load_log_event::do_apply_event(NET* net, Relay_log_info const *rli, thd->variables.pseudo_thread_id= thread_id; if (net) { - // mysql_load will use thd->net to read the file - thd->net.vio = net->vio; - /* - Make sure the client does not get confused about the packet sequence - */ - thd->net.pkt_nr = net->pkt_nr; + // mysql_load will use thd->net to read the file + thd->net.vio = net->vio; + // Make sure the client does not get confused about the packet sequence + thd->net.pkt_nr = net->pkt_nr; } /* It is safe to use tmp_list twice because we are not going to @@ -4869,7 +4867,7 @@ int Load_log_event::do_apply_event(NET* net, Relay_log_info const *rli, thd->is_slave_error= 1; if (thd->cuted_fields) { - /* log_pos is the position of the LOAD event in the master log */ + /* log_pos is the position of the LOAD event in the master log */ sql_print_warning("Slave: load data infile on table '%s' at " "log position %s in log '%s' produced %ld " "warning(s). Default database: '%s'", @@ -5617,10 +5615,10 @@ User_var_log_event(const char* buf, { type= (Item_result) buf[UV_VAL_IS_NULL]; charset_number= uint4korr(buf + UV_VAL_IS_NULL + UV_VAL_TYPE_SIZE); - val_len= uint4korr(buf + UV_VAL_IS_NULL + UV_VAL_TYPE_SIZE + - UV_CHARSET_NUMBER_SIZE); + val_len= uint4korr(buf + UV_VAL_IS_NULL + UV_VAL_TYPE_SIZE + + UV_CHARSET_NUMBER_SIZE); val= (char *) (buf + UV_VAL_IS_NULL + UV_VAL_TYPE_SIZE + - UV_CHARSET_NUMBER_SIZE + UV_VAL_LEN_SIZE); + UV_CHARSET_NUMBER_SIZE + UV_VAL_LEN_SIZE); /** We need to check if this is from an old server @@ -5704,9 +5702,9 @@ bool User_var_log_event::write(IO_CACHE* file) return (write_header(file, event_length) || my_b_safe_write(file, (uchar*) buf, sizeof(buf)) || - my_b_safe_write(file, (uchar*) name, name_len) || - my_b_safe_write(file, (uchar*) buf1, buf1_length) || - my_b_safe_write(file, pos, val_len) || + my_b_safe_write(file, (uchar*) name, name_len) || + my_b_safe_write(file, (uchar*) buf1, buf1_length) || + my_b_safe_write(file, pos, val_len) || my_b_safe_write(file, &flags, unsigned_len)); } #endif @@ -5980,7 +5978,7 @@ Slave_log_event::Slave_log_event(THD* thd_arg, master_log_len = strlen(rli->group_master_log_name); // on OOM, just do not initialize the structure and print the error if ((mem_pool = (char*)my_malloc(get_data_size() + 1, - MYF(MY_WME)))) + MYF(MY_WME)))) { master_host = mem_pool + SL_MASTER_HOST_OFFSET ; memcpy(master_host, mi->host, master_host_len + 1); @@ -5989,7 +5987,7 @@ Slave_log_event::Slave_log_event(THD* thd_arg, master_port = mi->port; master_pos = rli->group_master_log_pos; DBUG_PRINT("info", ("master_log: %s pos: %lu", master_log, - (ulong) master_pos)); + (ulong) master_pos)); } else sql_print_error("Out of memory while recording slave event"); diff --git a/sql/sp_head.cc b/sql/sp_head.cc index 06918e42e47..9395146f18f 100644 --- a/sql/sp_head.cc +++ b/sql/sp_head.cc @@ -125,10 +125,10 @@ sp_get_item_value(THD *thd, Item *item, String *str) case STRING_RESULT: { String *result= item->val_str(str); - + if (!result) return NULL; - + { char buf_holder[STRING_BUFFER_USUAL_SIZE]; String buf(buf_holder, sizeof(buf_holder), result->charset()); @@ -366,7 +366,7 @@ sp_eval_expr(THD *thd, Field *result_field, Item **expr_item_ptr) Save original values and restore them after save. */ - + thd->count_cuted_fields= CHECK_FIELD_ERROR_FOR_NULL; thd->abort_on_warning= thd->variables.sql_mode & @@ -465,7 +465,7 @@ check_routine_name(LEX_STRING *ident) { if (!ident || !ident->str || !ident->str[0] || ident->str[ident->length-1] == ' ') - { + { my_error(ER_SP_WRONG_NAME, MYF(0), ident->str); return TRUE; } @@ -502,7 +502,7 @@ sp_head::operator new(size_t size) throw() DBUG_RETURN(sp); } -void +void sp_head::operator delete(void *ptr, size_t size) throw() { DBUG_ENTER("sp_head::operator delete"); @@ -718,7 +718,7 @@ create_typelib(MEM_ROOT *mem_root, Create_field *field_def, List *src) String *tmp= it++; if (String::needs_conversion(tmp->length(), tmp->charset(), - cs, &dummy)) + cs, &dummy)) { uint cnv_errs; conv.copy(tmp->ptr(), tmp->length(), tmp->charset(), cs, &cnv_errs); @@ -815,7 +815,7 @@ sp_head::create_result_field(uint field_max_length, const char *field_name, if (field) field->init(table); - + DBUG_RETURN(field); } @@ -844,7 +844,7 @@ int cmp_splocal_locations(Item_splocal * const *a, Item_splocal * const *b) Statements that have is_update_query(stmt) == FALSE (e.g. SELECTs) are not written into binary log. Instead we catch function calls the statement makes and write it into binary log separately (see #3). - + 2. PROCEDURE calls CALL statements are not written into binary log. Instead @@ -857,8 +857,8 @@ int cmp_splocal_locations(Item_splocal * const *a, Item_splocal * const *b) This substitution is done in subst_spvars(). 3. FUNCTION calls - - In sp_head::execute_function(), we check + + In sp_head::execute_function(), we check * If this function invocation is done from a statement that is written into the binary log. * If there were any attempts to write events to the binary log during @@ -866,28 +866,28 @@ int cmp_splocal_locations(Item_splocal * const *a, Item_splocal * const *b) If the answers are No and Yes, we write the function call into the binary log as "SELECT spfunc(, , ...)" - - + + 4. Miscellaneous issues. - - 4.1 User variables. + + 4.1 User variables. When we call mysql_bin_log.write() for an SP statement, thd->user_var_events - must hold set<{var_name, value}> pairs for all user variables used during + must hold set<{var_name, value}> pairs for all user variables used during the statement execution. This set is produced by tracking user variable reads during statement - execution. + execution. For SPs, this has the following implications: - 1) thd->user_var_events may contain events from several SP statements and - needs to be valid after exection of these statements was finished. In + 1) thd->user_var_events may contain events from several SP statements and + needs to be valid after exection of these statements was finished. In order to achieve that, we * Allocate user_var_events array elements on appropriate mem_root (grep for user_var_events_alloc). * Use is_query_in_union() to determine if user_var_event is created. - + 2) We need to empty thd->user_var_events after we have wrote a function - call. This is currently done by making + call. This is currently done by making reset_dynamic(&thd->user_var_events); calls in several different places. (TODO cosider moving this into mysql_bin_log.write() function) @@ -906,7 +906,7 @@ int cmp_splocal_locations(Item_splocal * const *a, Item_splocal * const *b) Replace thd->query{_length} with a string that one can write to the binlog. - The binlog-suitable string is produced by replacing references to SP local + The binlog-suitable string is produced by replacing references to SP local variables with NAME_CONST('sp_var_name', value) calls. @param thd Current thread. @@ -943,11 +943,11 @@ subst_spvars(THD *thd, sp_instr *instr, LEX_STRING *query_str) } if (!sp_vars_uses.elements()) DBUG_RETURN(FALSE); - + /* Sort SP var refs by their occurences in the query */ sp_vars_uses.sort(cmp_splocal_locations); - /* + /* Construct a statement string where SP local var refs are replaced with "NAME_CONST(name, value)" */ @@ -955,7 +955,7 @@ subst_spvars(THD *thd, sp_instr *instr, LEX_STRING *query_str) cur= query_str->str; prev_pos= res= 0; thd->query_name_consts= 0; - + for (Item_splocal **splocal= sp_vars_uses.front(); splocal < sp_vars_uses.back(); splocal++) { @@ -965,13 +965,13 @@ subst_spvars(THD *thd, sp_instr *instr, LEX_STRING *query_str) String str_value_holder(str_buffer, sizeof(str_buffer), &my_charset_latin1); String *str_value; - + /* append the text between sp ref occurences */ res|= qbuf.append(cur + prev_pos, (*splocal)->pos_in_query - prev_pos); prev_pos= (*splocal)->pos_in_query + (*splocal)->len_in_query; - + res|= (*splocal)->fix_fields(thd, (Item **) splocal); - if (res) + if (res) break; if ((*splocal)->limit_clause_param) @@ -998,7 +998,7 @@ subst_spvars(THD *thd, sp_instr *instr, LEX_STRING *query_str) res|= qbuf.append(')'); if (res) break; - + thd->query_name_consts++; } res|= qbuf.append(cur + prev_pos, query_str->length - prev_pos); @@ -1024,16 +1024,14 @@ subst_spvars(THD *thd, sp_instr *instr, LEX_STRING *query_str) } -/* +/** Return appropriate error about recursion limit reaching - SYNOPSIS - sp_head::recursion_level_error() - thd Thread handle + @param thd Thread handle - NOTE - For functions and triggers we return error about prohibited recursion. - For stored procedures we return about reaching recursion limit. + @remark For functions and triggers we return error about + prohibited recursion. For stored procedures we + return about reaching recursion limit. */ void sp_head::recursion_level_error(THD *thd) @@ -1053,7 +1051,7 @@ void sp_head::recursion_level_error(THD *thd) Execute the routine. The main instruction jump loop is there. Assume the parameters already set. @todo - - Will write this SP statement into binlog separately + - Will write this SP statement into binlog separately (TODO: consider changing the condition to "not inside event union") @retval @@ -1217,10 +1215,10 @@ sp_head::execute(THD *thd) do { sp_instr *i; - uint hip; // Handler ip + uint hip; #if defined(ENABLED_PROFILING) - /* + /* Treat each "instr" of a routine as discrete unit that could be profiled. Profiling only records information for segments of code that set the source of the query, and almost all kinds of instructions in s-p do not. @@ -1229,7 +1227,8 @@ sp_head::execute(THD *thd) thd->profiling.start_new_query("continuing inside routine"); #endif - i = get_instr(ip); // Returns NULL when we're done. + /* get_instr returns NULL when we're done. */ + i = get_instr(ip); if (i == NULL) { #if defined(ENABLED_PROFILING) @@ -1240,10 +1239,13 @@ sp_head::execute(THD *thd) DBUG_PRINT("execute", ("Instruction %u", ip)); - /* Don't change NOW() in FUNCTION or TRIGGER */ + /* + Make current_time() et al work. But don't change NOW() in FUNCTION + or TRIGGER. + */ if (!thd->in_sub_stmt) - thd->set_time(); // Make current_time() et al work - + thd->set_time(); + /* We have to set thd->stmt_arena before executing the instruction to store in the instruction free_list all new items, created @@ -1251,10 +1253,10 @@ sp_head::execute(THD *thd) items made during other permanent subquery transformations). */ thd->stmt_arena= i; - - /* - Will write this SP statement into binlog separately - (TODO: consider changing the condition to "not inside event union") + + /* + Will write this SP statement into binlog separately. + TODO: consider changing the condition to "not inside event union". */ if (thd->locked_tables_mode <= LTM_LOCK_TABLES) thd->user_var_events_alloc= thd->mem_root; @@ -1263,8 +1265,8 @@ sp_head::execute(THD *thd) if (i->free_list) cleanup_items(i->free_list); - - /* + + /* If we've set thd->user_var_events_alloc to mem_root of this SP statement, clean all the events allocated in it. */ @@ -1276,7 +1278,7 @@ sp_head::execute(THD *thd) /* we should cleanup free_list and memroot, used by instruction */ thd->cleanup_after_query(); - free_root(&execute_mem_root, MYF(0)); + free_root(&execute_mem_root, MYF(0)); /* Check if an exception has occurred and a handler has been found @@ -1291,7 +1293,7 @@ sp_head::execute(THD *thd) switch (ctx->found_handler(& hip, & handler_index)) { case SP_HANDLER_NONE: - break; + break; case SP_HANDLER_CONTINUE: thd->restore_active_arena(&execute_arena, &backup_arena); thd->set_n_backup_active_arena(&execute_arena, &backup_arena); @@ -1300,15 +1302,15 @@ sp_head::execute(THD *thd) default: if (ctx->end_partial_result_set) thd->protocol->end_partial_result_set(thd); - ip= hip; - err_status= FALSE; - ctx->clear_handler(); - ctx->enter_handler(hip, handler_index); + ip= hip; + err_status= FALSE; + ctx->clear_handler(); + ctx->enter_handler(hip, handler_index); thd->clear_error(); thd->is_fatal_error= 0; - thd->killed= THD::NOT_KILLED; + thd->killed= THD::NOT_KILLED; thd->mysys_var->abort= 0; - continue; + continue; } ctx->end_partial_result_set= FALSE; @@ -1351,7 +1353,7 @@ sp_head::execute(THD *thd) done: DBUG_PRINT("info", ("err_status: %d killed: %d is_slave_error: %d report_error: %d", - err_status, thd->killed, thd->is_slave_error, + err_status, thd->killed, thd->is_slave_error, thd->is_error())); if (thd->killed) @@ -1839,10 +1841,10 @@ err_with_cleanup: /** - Execute a procedure. + Execute a procedure. The function does the following steps: - - Set all parameters + - Set all parameters - changes security context for SUID routines - call sp_head::execute - copy back values of INOUT and OUT parameters @@ -1880,14 +1882,14 @@ sp_head::execute_procedure(THD *thd, List *args) save_spcont= octx= thd->spcont; if (! octx) - { // Create a temporary old context - if (!(octx= new sp_rcontext(m_pcont, NULL, octx)) || - octx->init(thd)) + { + /* Create a temporary old context. */ + if (!(octx= new sp_rcontext(m_pcont, NULL, octx)) || octx->init(thd)) { delete octx; /* Delete octx if it was init() that failed. */ DBUG_RETURN(TRUE); } - + #ifndef DBUG_OFF octx->sp= 0; #endif @@ -2147,7 +2149,7 @@ sp_head::restore_lex(THD *thd) oldlex= (LEX *)m_lex.pop(); if (! oldlex) - DBUG_RETURN(FALSE); // Nothing to restore + DBUG_RETURN(FALSE); // Nothing to restore oldlex->trg_table_fields.push_back(&sublex->trg_table_fields); @@ -2300,7 +2302,7 @@ sp_head::do_cont_backpatch() void sp_head::set_info(longlong created, longlong modified, - st_sp_chistics *chistics, ulong sql_mode) + st_sp_chistics *chistics, ulong sql_mode) { m_created= created; m_modified= modified; @@ -2310,8 +2312,8 @@ sp_head::set_info(longlong created, longlong modified, m_chistics->comment.str= 0; else m_chistics->comment.str= strmake_root(mem_root, - m_chistics->comment.str, - m_chistics->comment.length); + m_chistics->comment.str, + m_chistics->comment.length); m_sql_mode= sql_mode; } @@ -2352,7 +2354,7 @@ sp_head::reset_thd_mem_root(THD *thd) DBUG_PRINT("info", ("mem_root 0x%lx moved to thd mem root 0x%lx", (ulong) &mem_root, (ulong) &thd->mem_root)); free_list= thd->free_list; // Keep the old list - thd->free_list= NULL; // Start a new one + thd->free_list= NULL; // Start a new one m_thd= thd; DBUG_VOID_RETURN; } @@ -2361,13 +2363,13 @@ void sp_head::restore_thd_mem_root(THD *thd) { DBUG_ENTER("sp_head::restore_thd_mem_root"); - Item *flist= free_list; // The old list + Item *flist= free_list; // The old list set_query_arena(thd); // Get new free_list and mem_root state= INITIALIZED_FOR_SP; DBUG_PRINT("info", ("mem_root 0x%lx returned from thd mem root 0x%lx", (ulong) &mem_root, (ulong) &thd->mem_root)); - thd->free_list= flist; // Restore the old one + thd->free_list= flist; // Restore the old one thd->mem_root= m_thd_root; m_thd= NULL; DBUG_VOID_RETURN; @@ -2377,10 +2379,10 @@ sp_head::restore_thd_mem_root(THD *thd) /** Check if a user has access right to a routine. - @param thd Thread handler - @param sp SP - @param full_access Set to 1 if the user has SELECT right to the - 'mysql.proc' able or is the owner of the routine + @param thd Thread handler + @param sp SP + @param full_access Set to 1 if the user has SELECT right to the + 'mysql.proc' able or is the owner of the routine @retval false ok @retval @@ -2509,8 +2511,6 @@ sp_head::show_create_routine(THD *thd, int type) } - - /** Add instruction to SP. @@ -2570,11 +2570,11 @@ void sp_head::optimize() if (src != dst) { /* Move the instruction and update prev. jumps */ - sp_instr *ibp; - List_iterator_fast li(bp); + sp_instr *ibp; + List_iterator_fast li(bp); - set_dynamic(&m_instr, (uchar*)&i, dst); - while ((ibp= li++)) + set_dynamic(&m_instr, (uchar*)&i, dst); + while ((ibp= li++)) { sp_instr_opt_meta *im= static_cast(ibp); im->set_destination(src, dst); @@ -2669,7 +2669,7 @@ sp_head::show_routine_code(THD *thd) for (ip= 0; (i = get_instr(ip)) ; ip++) { - /* + /* Consistency check. If these are different something went wrong during optimization. */ @@ -2732,7 +2732,7 @@ sp_lex_keeper::reset_lex_and_exec_core(THD *thd, uint *nextp, int res= 0; DBUG_ENTER("reset_lex_and_exec_core"); - /* + /* The flag is saved at the entry to the following substatement. It's reset further in the common code part. It's merged with the saved parent's value at the exit of this func. @@ -2894,9 +2894,8 @@ sp_instr_stmt::execute(THD *thd, uint *nextp) if (unlikely((thd->variables.option_bits & OPTION_LOG_OFF)==0)) general_log_write(thd, COM_QUERY, thd->query(), thd->query_length()); - if (query_cache_send_result_to_client(thd, - thd->query(), - thd->query_length()) <= 0) + if (query_cache_send_result_to_client(thd, thd->query(), + thd->query_length()) <= 0) { res= m_lex_keeper.reset_lex_and_exec_core(thd, nextp, FALSE, this); @@ -2999,7 +2998,7 @@ sp_instr_set::exec_core(THD *thd, uint *nextp) /* If this also failed, let's abort. */ sp_rcontext *spcont= thd->spcont; - + thd->spcont= NULL; /* Avoid handlers */ my_error(ER_OUT_OF_RESOURCES, MYF(0)); spcont->clear_handler(); @@ -3103,7 +3102,7 @@ uint sp_instr_jump::opt_mark(sp_head *sp, List *leads) { m_dest= opt_shortcut_jump(sp, this); - if (m_dest != m_ip+1) /* Jumping to following instruction? */ + if (m_dest != m_ip+1) /* Jumping to following instruction? */ marked= 1; m_optdest= sp->get_instr(m_dest); return m_dest; @@ -3133,9 +3132,9 @@ void sp_instr_jump::opt_move(uint dst, List *bp) { if (m_dest > m_ip) - bp->push_back(this); // Forward + bp->push_back(this); // Forward else if (m_optdest) - m_dest= m_optdest->m_ip; // Backward + m_dest= m_optdest->m_ip; // Backward m_ip= dst; } @@ -3408,7 +3407,7 @@ uint sp_instr_hreturn::opt_mark(sp_head *sp, List *leads) { marked= 1; - + if (m_dest) { /* @@ -3416,7 +3415,7 @@ sp_instr_hreturn::opt_mark(sp_head *sp, List *leads) */ return m_dest; } - + /* This is a CONTINUE handler; next instruction step will come from the handler stack and not from opt_mark. @@ -3733,14 +3732,14 @@ sp_instr_set_case_expr::exec_core(THD *thd, uint *nextp) */ Item *null_item= new Item_null(); - + if (!null_item || thd->spcont->set_case_expr(thd, m_case_expr_id, &null_item)) { /* If this also failed, we have to abort. */ sp_rcontext *spcont= thd->spcont; - + thd->spcont= NULL; /* Avoid handlers */ my_error(ER_OUT_OF_RESOURCES, MYF(0)); spcont->clear_handler(); @@ -3906,13 +3905,13 @@ sp_head::merge_table_list(THD *thd, TABLE_LIST *table, LEX *lex_for_tmp_check) } else { - if (!(tab= (SP_TABLE *)thd->calloc(sizeof(SP_TABLE)))) - return FALSE; - if (lex_for_tmp_check->sql_command == SQLCOM_CREATE_TABLE && - lex_for_tmp_check->query_tables == table && - lex_for_tmp_check->create_info.options & HA_LEX_CREATE_TMP_TABLE) + if (!(tab= (SP_TABLE *)thd->calloc(sizeof(SP_TABLE)))) + return FALSE; + if (lex_for_tmp_check->sql_command == SQLCOM_CREATE_TABLE && + lex_for_tmp_check->query_tables == table && + lex_for_tmp_check->create_info.options & HA_LEX_CREATE_TMP_TABLE) { - tab->temp= TRUE; + tab->temp= TRUE; tab->qname.length= tlen - alen - 1; } else @@ -3925,7 +3924,7 @@ sp_head::merge_table_list(THD *thd, TABLE_LIST *table, LEX *lex_for_tmp_check) tab->lock_type= table->lock_type; tab->lock_count= tab->query_lock_count= 1; tab->trg_event_map= table->trg_event_map; - if (my_hash_insert(&m_sptabs, (uchar *)tab)) + if (my_hash_insert(&m_sptabs, (uchar *)tab)) return FALSE; } } @@ -4032,8 +4031,8 @@ sp_head::add_used_tables_to_table_list(THD *thd, TABLE_LIST * sp_add_to_query_tables(THD *thd, LEX *lex, - const char *db, const char *name, - thr_lock_type locktype) + const char *db, const char *name, + thr_lock_type locktype) { TABLE_LIST *table; From 25eb8e2c370a372a068f05730c7f56e9185ba801 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Fri, 28 May 2010 18:11:31 -0300 Subject: [PATCH 361/400] Backport: remove ancient and unused strings files. --- strings/ChangeLog | 38 -- strings/bcopy-duff.c | 48 -- strings/bzero.c | 82 ---- strings/macros.asm | 147 ------ strings/memcmp.c | 44 -- strings/memcpy.c | 33 -- strings/memset.c | 50 -- strings/ptr_cmp.asm | 180 ------- strings/strcat.c | 40 -- strings/strchr.c | 61 --- strings/strcmp.c | 35 -- strings/strings.asm | 1060 ------------------------------------------ strings/strlen.c | 65 --- strings/strrchr.c | 39 -- strings/strxmov.asm | 103 ---- strings/udiv.c | 36 -- 16 files changed, 2061 deletions(-) delete mode 100644 strings/ChangeLog delete mode 100644 strings/bcopy-duff.c delete mode 100644 strings/bzero.c delete mode 100644 strings/macros.asm delete mode 100644 strings/memcmp.c delete mode 100644 strings/memcpy.c delete mode 100644 strings/memset.c delete mode 100644 strings/ptr_cmp.asm delete mode 100644 strings/strcat.c delete mode 100644 strings/strchr.c delete mode 100644 strings/strcmp.c delete mode 100644 strings/strings.asm delete mode 100644 strings/strlen.c delete mode 100644 strings/strrchr.c delete mode 100644 strings/strxmov.asm delete mode 100644 strings/udiv.c diff --git a/strings/ChangeLog b/strings/ChangeLog deleted file mode 100644 index 2d31f2946a1..00000000000 --- a/strings/ChangeLog +++ /dev/null @@ -1,38 +0,0 @@ -Thu May 20 13:45:15 1993 Michael Widenius (monty at bitch) - - * changed itoa() and ltoa() to use the same interface as microsoft:s - and zortech:s libraryes. - -Sun Mar 24 00:30:34 1991 Michael Widenius (monty at LYNX) - - * Changed int2str to return BIG converted chars. - -Sun Feb 24 00:22:54 1991 Michael Widenius (monty at LYNX) - - * Added new function strcend(string,char). Its eqvialent to - if (!(a=strchr(string,char))) - a=strend(string); - -Tue Oct 16 18:53:19 1990 Michael Widenius (monty at LYNX) - - * Added define BAD_STRING_COMPILER to set define strmov() - if compiler is very bad at stringoperations. - * Changed to use cc on sun-systems instead of gcc. - -Sat Sep 29 18:42:31 1990 Michael Widenius (monty at LYNX) - - * Added my_atof for sparc system to get some speed. - -Sun Mar 11 16:35:59 1990 Monty (monty at monty) - - * strnmov() was changed to not fill to-string with null. - * strmake() changed to point at closing null. - -Wed Feb 7 20:15:34 1990 David Axmark (davida at isil) - - * Made functon strinrstr that is reverse search. - -Fri Dec 2 03:37:59 1988 Monty (monty at monty) - - * Fixed bug in strcont; It didn't return first found character in - set. diff --git a/strings/bcopy-duff.c b/strings/bcopy-duff.c deleted file mode 100644 index 215857715fd..00000000000 --- a/strings/bcopy-duff.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#define IFACTOR 4 - - void -dcopy(char *chardest, char *charsrc, int size) -{ - register int *src, *dest, intcount ; - int startcharcpy, intoffset, numints2cpy, i ; - - numints2cpy = size >> 2 ; - startcharcpy = numints2cpy << 2 ; - intcount = numints2cpy & ~(IFACTOR-1) ; - intoffset = numints2cpy - intcount ; - - src = (int *)(((int) charsrc) + intcount*sizeof(int*)) ; - dest = (int *)(((int) chardest) + intcount*sizeof(int*)) ; - - /* copy the ints */ - switch(intoffset) - do - { - case 0: dest[3] = src[3] ; - case 3: dest[2] = src[2] ; - case 2: dest[1] = src[1] ; - case 1: dest[0] = src[0] ; - intcount -= IFACTOR ; - dest -= IFACTOR ; - src -= IFACTOR ; - } while (intcount >= 0) ; - - /* copy the chars left over by the int copy at the end */ - for(i=startcharcpy ; i= 64*K) - { - _bzero64(dst, 64*K-1); - dst += 64*K-1; - len -= 64*K-1; - } - _bzero64(dst, len); -} - -_bzero64(dst, len) -char *dst; -int len; -{ - asm("movc5 $0,*4(ap),$0,8(ap),*4(ap)"); -} - -#else - -#if defined(MC68000) && defined(DS90) - -void bzero(dst, len) -char *dst; -uint len; -{ - bfill(dst,len,0); /* This is very optimized ! */ -} /* bzero */ - -#else - -void bzero(dst, len) -register char *dst; -register uint len; -{ - while (len-- != 0) *dst++ = 0; -} /* bzero */ - -#endif -#endif -#endif /* BSD_FUNCS */ diff --git a/strings/macros.asm b/strings/macros.asm deleted file mode 100644 index 1eedcfbb15f..00000000000 --- a/strings/macros.asm +++ /dev/null @@ -1,147 +0,0 @@ -; Copyright (C) 2000 MySQL AB -; -; This library is free software; you can redistribute it and/or -; modify it under the terms of the GNU Library General Public -; License as published by the Free Software Foundation; version 2 -; of the License. -; -; This library is distributed in the hope that it will be useful, -; but WITHOUT ANY WARRANTY; without even the implied warranty of -; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -; Library General Public License for more details. -; -; You should have received a copy of the GNU Library General Public -; License along with this library; if not, write to the Free -; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -; MA 02111-1307, USA - -; Some useful macros - - .386P - .387 - -_FLAT equ 0 ;FLAT memory model -_STDCALL equ 0 ;default to _stdcall -I386 equ 1 - -begcode macro module - if _FLAT -_TEXT segment dword use32 public 'CODE' - assume CS:FLAT,DS:FLAT,SS:FLAT - else -_TEXT segment dword public 'CODE' - assume CS:_TEXT - endif - endm - -endcode macro module -_TEXT ENDS - endm - -begdata macro - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -; Set up segments for data -; Regular initialized data goes in _DATA - -_DATA segment dword public 'DATA' -_DATA ends - -;Function pointers to constructors -XIB segment dword public 'DATA' -XIB ends -XI segment dword public 'DATA' -XI ends -XIE segment dword public 'DATA' -XIE ends - -;Function pointers to destructors -XCB segment dword public 'DATA' -XCB ends -XC segment dword public 'DATA' -XC ends -XCE segment dword public 'DATA' -XCE ends - -;Constant data, such as switch tables, go here. - -CONST segment dword public 'CONST' -CONST ends - -;Segment for uninitialized data. This is set to 0 by the startup code/OS, -;so it does not consume room in the executable file. - -_BSS segment dword public 'BSS' -_BSS ends - -HUGE_BSS segment dword public 'HUGE_BSS' -HUGE_BSS ends - -EEND segment dword public 'ENDBSS' -EEND ends - -STACK segment para stack 'STACK' -STACK ends -DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS,EEND,STACK - -_DATA segment - if _FLAT - assume DS:FLAT - else - assume DS:DGROUP - endif - endm - -enddata macro -_DATA ends - endm - -P equ 8 ; Offset of start of parameters on the stack frame - ; From EBP assuming EBP was pushed. -PS equ 4 ; Offset of start of parameters on the stack frame - ; From ESP assuming EBP was NOT pushed. -ESeqDS equ 0 -FSeqDS equ 0 -GSeqDS equ 0 -SSeqDS equ 1 -SIZEPTR equ 4 ; Size of a pointer -LPTR equ 0 -SPTR equ 1 -LCODE equ 0 - -func macro name -_&name proc near - ifndef name -name equ _&name - endif - endm - -callm macro name - call _&name - endm - -;Macros to replace public, extrn, and endp for C-callable assembly routines, -; and to define labels: c_label defines labels, -; c_public replaces public, c_extrn replaces extrn, and c_endp replaces endp - -c_name macro name - name equ _&name - endm - -c_label macro name -_&name: - endm - -c_endp macro name -_&name ENDP - endm - -clr macro list ;clear a register - irp reg, - xor reg,reg - endm - endm - -jmps macro lbl - jmp short lbl - endm diff --git a/strings/memcmp.c b/strings/memcmp.c deleted file mode 100644 index 9471353f751..00000000000 --- a/strings/memcmp.c +++ /dev/null @@ -1,44 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* memcmp(lhs, rhs, len) - compares the two memory areas lhs[0..len-1] ?? rhs[0..len-1]. It - returns an integer less than, equal to, or greater than 0 according - as lhs[-] is lexicographically less than, equal to, or greater than - rhs[-]. Note that this is not at all the same as bcmp, which tells - you *where* the difference is but not what. - - Note: suppose we have int x, y; then memcmp(&x, &y, sizeof x) need - not bear any relation to x-y. This is because byte order is machine - dependent, and also, some machines have integer representations that - are shorter than a machine word and two equal integers might have - different values in the spare bits. On a ones complement machine, - -0 == 0, but the bit patterns are different. -*/ - -#include "strings.h" - -#if !defined(HAVE_MEMCPY) - -int memcmp(lhs, rhs, len) - register char *lhs, *rhs; - register int len; -{ - while (--len >= 0) - if (*lhs++ != *rhs++) return (uchar) lhs[-1] - (uchar) rhs[-1]; - return 0; -} - -#endif diff --git a/strings/memcpy.c b/strings/memcpy.c deleted file mode 100644 index f32d346e3ec..00000000000 --- a/strings/memcpy.c +++ /dev/null @@ -1,33 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - memcpy(dst, src, len) - moves len bytes from src to dst. The result is dst. This is not - the same as strncpy or strnmov, while move a maximum of len bytes - and stop early if they hit a NUL character. This moves len bytes - exactly, no more, no less. See also bcopy() and bmove() which do - not return a value but otherwise do the same job. -*/ - -#include "strings.h" - -char *memcpy(char *dst, register char *src, register int len) -{ - register char *d; - - for (d = dst; --len >= 0; *d++ = *src++) ; - return dst; -} diff --git a/strings/memset.c b/strings/memset.c deleted file mode 100644 index e07dc4ead85..00000000000 --- a/strings/memset.c +++ /dev/null @@ -1,50 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : memset.c - Author : Richard A. O'Keefe. - Updated: 25 May 1984 - Defines: memset() - - memset(dst, chr, len) - fills the memory area dst[0..len-1] with len bytes all equal to chr. - The result is dst. See also bfill(), which has no return value and - puts the last two arguments the other way around. - - Note: the VAX assembly code version can only handle 0 <= len < 2^16. - It is presented for your interest and amusement. -*/ - -#include "strings.h" - -#if VaxAsm - -char *memset(char *dst,int chr, int len) -{ - asm("movc5 $0,*4(ap),8(ap),12(ap),*4(ap)"); - return dst; -} - -#else ~VaxAsm - -char *memset(char *dst, register pchar chr, register int len) -{ - register char *d; - - for (d = dst; --len >= 0; *d++ = chr) ; - return dst; -} - -#endif VaxAsm diff --git a/strings/ptr_cmp.asm b/strings/ptr_cmp.asm deleted file mode 100644 index b2a020d8a37..00000000000 --- a/strings/ptr_cmp.asm +++ /dev/null @@ -1,180 +0,0 @@ -; Copyright (C) 2000 MySQL AB -; -; This library is free software; you can redistribute it and/or -; modify it under the terms of the GNU Library General Public -; License as published by the Free Software Foundation; version 2 -; of the License. -; -; This library is distributed in the hope that it will be useful, -; but WITHOUT ANY WARRANTY; without even the implied warranty of -; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -; Library General Public License for more details. -; -; You should have received a copy of the GNU Library General Public -; License along with this library; if not, write to the Free -; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -; MA 02111-1307, USA - - TITLE Optimized cmp of pointer to strings of unsigned chars - -ifndef M_I386 - .8087 - DOSSEG - .MODEL LARGE - .DATA -compare_length dw 0 - .CODE STRINGS - - PUBLIC _get_ptr_compare -_get_ptr_compare PROC - mov bx,sp - mov cx,ss:[BX+4] - mov compare_length,cx - mov dx,seg strings:_ptr_cmp - mov ax,offset _ptr_cmp_0 - jcxz @F - mov ax,offset _ptr_cmp_1 - dec cx - jz @F - mov ax,offset _ptr_cmp -@@: ret -_get_ptr_compare ENDP - -_ptr_cmp_0 PROC - mov AX,0 ; Emptyt strings are always equal - ret -_ptr_cmp_0 ENDP - - -_ptr_cmp_1 PROC - mov bx,sp - mov dx,si ; Save si and ds - mov cx,ds - lds si,DWORD PTR ss:[bx+4] ; s1 - lds si,DWORD PTR ds:[si] - mov al,ds:[si] - xor ah,ah - lds si,DWORD PTR ss:[bx+8] ; s2 - lds si,DWORD PTR ds:[si] - mov bl,ds:[si] - mov bh,ah - sub ax,bx - mov ds,cx ; restore si and ds - mov si,dx - ret -_ptr_cmp_1 ENDP - -_ptr_cmp PROC - mov bx,bp ; Save bp - mov dx,di ; Save di - mov bp,sp - push ds - push si - mov cx,compare_length ; Length of memory-area - lds si,DWORD PTR [bp+4] ; s1 - lds si,DWORD PTR ds:[si] - les di,DWORD PTR [bp+8] ; s2 - les di,DWORD PTR es:[di] -; cld ; Work uppward - xor ax,ax - repe cmpsb ; Compare strings - je @F ; Strings are equal - sbb ax,ax - cmc - adc ax,0 - -@@: pop si - pop ds - mov di,dx - mov bp,bx - ret -_ptr_cmp ENDP - -else - -include macros.asm - -fix_es MACRO fix_cld ; Load ES if neaded - ife ESeqDS - mov ax,ds - mov es,ax - endif - ifnb - cld - endif - ENDM - - begdata -compare_length dd 0 ; Length of strings - enddata - - begcode get_ptr_compare - public _get_ptr_compare -_get_ptr_compare proc near - mov ecx,P-SIZEPTR[esp] - mov compare_length,ecx - mov eax,offset _TEXT:_ptr_cmp_0 - jecxz @F - mov eax,offset _TEXT:_ptr_cmp_1 - dec ecx - jz @F - mov eax,offset _TEXT:_ptr_cmp -@@: ret -_get_ptr_compare endp - endcode _get_ptr_compare - - - begcode ptr_cmp_0 -_ptr_cmp_0 PROC - mov EAX,0 ; Emptyt strings are always equal - ret -_ptr_cmp_0 ENDP - endcode ptr_cmp_0 - - - begcode ptr_cmp_1 -_ptr_cmp_1 proc near - mov edx,esi ; Save esi - mov esi,P-SIZEPTR[esp] ; *s1 - mov esi,[esi] - movzx eax,[esi] - mov esi,P[esp] ; *s2 - mov esi,[esi] - movzx ecx,[esi] - sub eax,ecx - mov esi,edx ; Restore esi - ret -_ptr_cmp_1 ENDP - endcode ptr_cmp_1 - - - begcode ptr_cmp -_ptr_cmp proc near - fix_es 1 - push ebp - mov ebp,esp - mov edx,edi ; Save esi - push esi - mov esi,P[ebp] ; *s1 - mov esi,[esi] - mov edi,P+SIZEPTR[ebp] ; *s2 - mov edi,[edi] - mov ecx,compare_length ; Length of memory-area - xor eax,eax - repe cmpsb ; Compare strings - je @F ; Strings are equal - - sbb eax,eax - cmc - adc eax,0 - -@@: pop esi - mov edi,edx - pop ebp - ret -_ptr_cmp ENDP - endcode ptr_cmp - -endif - - END diff --git a/strings/strcat.c b/strings/strcat.c deleted file mode 100644 index e69369c357f..00000000000 --- a/strings/strcat.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : strcat.c - Author : Richard A. O'Keefe. - Updated: 10 April 1984 - Defines: strcat() - - strcat(s, t) concatenates t on the end of s. There had better be - enough room in the space s points to; strcat has no way to tell. - Note that strcat has to search for the end of s, so if you are doing - a lot of concatenating it may be better to use strmov, e.g. - strmov(strmov(strmov(strmov(s,a),b),c),d) - rather than - strcat(strcat(strcat(strcpy(s,a),b),c),d). - strcat returns the old value of s. -*/ - -#include "strings.h" - -char *strcat(register char *s, register const char *t) -{ - char *save; - - for (save = s; *s++; ) ; - for (--s; *s++ = *t++; ) ; - return save; - } diff --git a/strings/strchr.c b/strings/strchr.c deleted file mode 100644 index 5ffe386c718..00000000000 --- a/strings/strchr.c +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : strchr.c - Author : Richard A. O'Keefe. - Michael Widenius: ifdef MC68000 - Updated: 20 April 1984 - Defines: strchr(), index() - - strchr(s, c) returns a pointer to the first place in s where c - occurs, or NullS if c does not occur in s. This function is called - index in V7 and 4.?bsd systems; while not ideal the name is clearer - than strchr, so index remains in strings.h as a macro. NB: strchr - looks for single characters, not for sets or strings. To find the - NUL character which closes s, use strchr(s, '\0') or strend(s). The - parameter 'c' is declared 'int' so it will go in a register; if your - C compiler is happy with register _char_ change it to that. -*/ - -#include "strings.h" - -#if defined(MC68000) && defined(DS90) - -char* strchr(char *s, pchar c) -{ -asm(" movl 4(a7),a0 "); -asm(" movl 8(a7),d1 "); -asm(".L2: movb (a0)+,d0 "); -asm(" cmpb d0,d1 "); -asm(" beq .L1 "); -asm(" tstb d0 "); -asm(" bne .L2 "); -asm(" moveq #0,d0 "); -asm(" rts "); -asm(".L1: movl a0,d0 "); -asm(" subql #1,d0 "); -} -#else - -char *strchr(register const char *s, register pchar c) -{ - for (;;) - { - if (*s == (char) c) return (char*) s; - if (!*s++) return NullS; - } -} - -#endif diff --git a/strings/strcmp.c b/strings/strcmp.c deleted file mode 100644 index 54bbe92279b..00000000000 --- a/strings/strcmp.c +++ /dev/null @@ -1,35 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : strcmp.c - Author : Richard A. O'Keefe. - Updated: 10 April 1984 - Defines: strcmp() - - strcmp(s, t) returns > 0, = 0, or < 0 when s > t, s = t, or s < t - according to the ordinary lexicographical order. To test for - equality, the macro streql(s,t) is clearer than !strcmp(s,t). Note - that if the string contains characters outside the range 0..127 the - result is machine-dependent; PDP-11s and VAXen use signed bytes, - some other machines use unsigned bytes. -*/ - -#include "strings.h" - -int strcmp(register const char *s, register const char *t) -{ - while (*s == *t++) if (!*s++) return 0; - return s[0]-t[-1]; -} diff --git a/strings/strings.asm b/strings/strings.asm deleted file mode 100644 index 2224025cc72..00000000000 --- a/strings/strings.asm +++ /dev/null @@ -1,1060 +0,0 @@ -; Copyright (C) 2000, 2003 MySQL AB -; -; This library is free software; you can redistribute it and/or -; modify it under the terms of the GNU Library General Public -; License as published by the Free Software Foundation; version 2 -; of the License. -; -; This library is distributed in the hope that it will be useful, -; but WITHOUT ANY WARRANTY; without even the implied warranty of -; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -; Library General Public License for more details. -; -; You should have received a copy of the GNU Library General Public -; License along with this library; if not, write to the Free -; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -; MA 02111-1307, USA - -; Note that if you don't have a macro assembler (like MASM) to compile -; this file, you can instead compile all *.c files in the string -; directory. - - TITLE Stringfunctions that we use often at MSDOS / Intel 8086 - -ifndef M_I386 - .8087 - DOSSEG - .MODEL LARGE - .CODE - - ; - ; Some macros - ; - -q_movs MACRO ; as rep movsb but quicker - shr cx,1 - rep movsw ; Move 2 bytes at a time - adc cx,cx - rep movsb ; Move last byte if any - ENDM - -q_stos MACRO ; as rep stosb but quicker - mov ah,al ; For word store - shr cx,1 - rep stosw ; Move 2 bytes at a time - adc cx,cx - rep stosb ; Move last byte if any - ENDM - -ifndef ZTC ; If not using ZORTECH compiler - ; - ; Compare memory - ; Args: s1,s2,length - ; - - PUBLIC _bcmp -_bcmp PROC - mov bx,bp ; Save bp - mov dx,di ; Save di - mov bp,sp - push ds - push si - les di,DWORD PTR [bp+8] ; s2 - lds si,DWORD PTR [bp+4] ; s1 - mov cx,WORD PTR [bp+12] ; Length of memory-area - jcxz @F ; Length = 0, return same -; cld ; Work uppward - repe cmpsb ; Compare strings - jz @F ; Match found - inc cx ; return matchpoint +1 -@@: mov ax,cx ; Return 0 if match, else pos from end - pop si - pop ds - mov di,dx - mov bp,bx - ret -_bcmp ENDP - - ; - ; Find a char in a string - ; Arg: str,char - ; Ret: pointer to found char or NullS - ; - -ifdef better_stringfunctions ; Breaks window linkage (broken linking) - - PUBLIC _strchr -_strchr PROC - mov bx,bp ; Save bp and di - mov dx,di - mov bp,sp - les di,DWORD PTR [bp+4] ; str - mov ah,BYTE PTR [bp+8] ; search - xor al,al ; for scasb to find end - -@@: cmp ah,es:[di] - jz @F ; Found char - scasb - jnz @B ; Not end - xor di,di ; Not found - mov es,di -@@: mov ax,di - mov di,dx ; Restore - mov dx,es ; Seg adr - mov bp,bx ; Restore - ret -_strchr ENDP - - ; - ; Find length of string - ; arg: str - ; ret: length - ; - - PUBLIC _strlen -_strlen PROC - mov bx,sp - mov dx,di - les di,DWORD PTR ss:[bx+4] ; Str - xor al,al ; Find end of string - mov cx,-1 -; cld - repne scasb ; Find strend or length - inc cx ; Calc strlength - not cx - mov ax,cx - mov di,dx ; Restore register - ret -_strlen ENDP - -endif - - ; - ; Move a string - ; arg: dst,src - ; ret: end-null of to - ; - - PUBLIC _strmov -_strmov PROC - mov bx,bp - mov cx,si - mov bp,sp - push ds - push di - les di,DWORD PTR [bp+4] ; dst - lds si,DWORD PTR [bp+8] ; src -; cld -@@: mov al,ds:[si] - movsb ; move arg - and al,al - jnz @B ; Not last - lea ax,WORD PTR [di-1] ; Set DX:AX to point at last null - mov dx,es - pop di - pop ds - mov si,cx - mov bp,bx - ret -_strmov ENDP - - ; - ; Fill a area of memory with a walue - ; Args: to,length,fillchar - ; - - PUBLIC _bfill -_bfill PROC - mov bx,sp ; Get args through BX - mov al,BYTE PTR ss:[bx+10] ; Fill -bfill_10: - mov dx,di ; Save di - les di,DWORD PTR ss:[bx+4] ; Memory pointer - mov cx,WORD PTR ss:[bx+8] ; Length -; cld - q_stos - mov di,dx - ret -_bfill ENDP - - ; - ; Fill a area with null - ; Args: to,length - - PUBLIC _bzero -_bzero PROC - mov bx,sp ; Get args through BX - mov al,0 ; Fill with null - jmp short bfill_10 -_bzero ENDP - -endif ; ZTC - - ; - ; Move a memory area - ; Args: to,from,length - ; - - PUBLIC _bmove -_bmove PROC - mov bx,bp - mov dx,di - mov ax,si - mov bp,sp - push ds - lds si,DWORD PTR [bp+8] ; from - les di,DWORD PTR [bp+4] ; to - mov cx,WORD PTR [bp+12] ; Length of memory-area -; cld ; Work uppward - rep movsb ; Not q_movs because overlap ? - pop ds - mov si,ax - mov di,dx - mov bp,bx - ret -_bmove ENDP - - ; - ; Move a alligned, not overlapped, by (long) divided memory area - ; Args: to,from,length - ; - - PUBLIC _bmove_align -_bmove_align PROC - mov bx,bp - mov dx,di - mov ax,si - mov bp,sp - push ds - lds si,DWORD PTR [bp+8] ; from - les di,DWORD PTR [bp+4] ; to - mov cx,WORD PTR [bp+12] ; Length of memory-area -; cld ; Work uppward - inc cx ; fix if not divisible with word - shr cx,1 - rep movsw ; Move 2 bytes at a time - pop ds - mov si,ax - mov di,dx - mov bp,bx - ret -_bmove_align ENDP - - ; - ; Move a string from higher to lower - ; Arg from+1,to+1,length - ; - - PUBLIC _bmove_upp -_bmove_upp PROC - mov bx,bp - mov dx,di - mov ax,si - mov bp,sp - push ds - lds si,DWORD PTR [bp+8] ; from - les di,DWORD PTR [bp+4] ; to - mov cx,WORD PTR [bp+12] ; Length of memory-area - dec di ; Don't move last arg - dec si - std ; Work downward - rep movsb ; Not q_movs because overlap ? - cld ; C compilator want cld - pop ds - mov si,ax - mov di,dx - mov bp,bx - ret -_bmove_upp ENDP - - ; - ; Append fillchars to string - ; Args: dest,len,fill - ; - - PUBLIC _strappend -_strappend PROC - mov bx,bp - mov dx,di - mov bp,sp - les di,DWORD PTR [bp+4] ; Memory pointer - mov cx,WORD PTR [bp+8] ; Length - sub al,al ; Find end of string -; cld - repne scasb - jnz sa_99 ; String to long, shorten it - mov al,BYTE PTR [bp+10] ; Fillchar - dec di ; Point at end null - inc cx ; rep made one dec for null-char - q_stos ; Store al in string -sa_99: mov BYTE PTR es:[di],0 ; End of string - mov di,dx - mov bp,bx - ret -_strappend ENDP - - ; - ; Find if string contains any char in another string - ; Arg: str,set - ; Ret: Pointer to first found char in str - ; - - PUBLIC _strcont -_strcont PROC - mov bx,bp ; Save bp and di in regs - mov dx,di - mov bp,sp - push ds - push si - lds si,DWORD PTR [bp+4] ; str - les di,DWORD PTR [bp+8] ; Set - mov cx,di ; Save for loop - xor ah,ah ; For endtest - jmp sc_60 - -sc_10: scasb - jz sc_fo ; Found char -sc_20: cmp ah,es:[di] ; Test if null - jnz sc_10 ; Not end of set yet - inc si ; Next char in str - mov di,cx ; es:di = Set -sc_60: mov al,ds:[si] ; Test if this char exist - and al,al - jnz sc_20 ; Not end of string - sub si,si ; Return Null - mov ds,si -sc_fo: mov ax,si ; Char found here - mov di,dx ; Restore - mov dx,ds ; Seg of found char - pop si - pop ds - mov bp,bx - ret -_strcont ENDP - - ; - ; Found end of string - ; Arg: str - ; ret: Pointer to end null - ; - - PUBLIC _strend -_strend PROC - mov bx,sp - mov dx,di ; Save - les di,DWORD PTR ss:[bx+4] ; str - mov cx,-1 - sub al,al ; Find end of string -; cld - repne scasb - lea ax,WORD PTR [di-1] ; Endpos i DX:AX - mov di,dx ; Restore - mov dx,es - ret -_strend ENDP - - ; - ; Make a string with len fill-chars and endnull - ; Args: dest,len,fill - ; Ret: dest+len - ; - - PUBLIC _strfill -_strfill PROC - mov bx,bp ; Save sp - mov bp,sp - push di - les di,DWORD PTR [bp+4] ; Memory pointer - mov cx,WORD PTR [bp+8] ; Length - mov al,BYTE PTR [bp+10] ; Fill -; cld - q_stos - mov BYTE PTR es:[di],0 ; End NULL - mov ax,di ; End i DX:AX - mov dx,es - pop di - mov bp,bx - ret -_strfill ENDP - - ; - ; Find a char in or end of a string - ; Arg: str,char - ; Ret: pointer to found char or NullS - ; - - PUBLIC _strcend -_strcend PROC - mov bx,bp ; Save bp and di - mov dx,di - mov bp,sp - les di,DWORD PTR [bp+4] ; str - mov ah,BYTE PTR [bp+8] ; search - xor al,al ; for scasb to find end - -@@: cmp ah,es:[di] - jz @F ; Found char - scasb - jnz @B ; Not end - dec di ; Not found, point at end of string -@@: mov ax,di - mov di,dx ; Restore - mov dx,es ; Seg adr - mov bp,bx ; Restore - ret -_strcend ENDP - - ; - ; Test if string has a given suffix - ; - -PUBLIC _is_prefix -_is_prefix PROC - mov dx,di ; Save di - mov bx,sp ; Arguments through bx - push ds - push si - les di,DWORD PTR ss:[bx+8] ; s2 - lds si,DWORD PTR ss:[bx+4] ; s1 - mov ax,1 ; Ok and zero-test -; cld ; Work uppward -@@: cmp ah,es:[di] - jz suf_ok ; End of string; found suffix - cmpsb ; Compare strings - jz @B ; Same, possible prefix - xor ax,ax ; Not suffix -suf_ok: pop si - pop ds - mov di,dx - ret -_is_prefix ENDP - - ; - ; Find a substring in string - ; Arg: str,search - ; - - PUBLIC _strstr -_strstr PROC - mov bx,bp - mov bp,sp - push ds - push di - push si - lds si,DWORD PTR [bp+4] ; str - les di,DWORD PTR [bp+8] ; search - mov cx,di - inc cx ; CX = search+1 - mov ah,es:[di] ; AH = First char in search - jmp sf_10 - -sf_00: mov si,dx ; si = Current str-pos -sf_10: mov al,ds:[si] ; Test if this char exist - and al,al - jz sf_90 ; End of string, didn't find search - inc si - cmp al,ah - jnz sf_10 ; Didn't find first char, continue - mov dx,si ; Save str-pos in DX - mov di,cx -sf_20: cmp BYTE PTR es:[di],0 - jz sf_fo ; Found substring - cmpsb - jz sf_20 ; Char ok - jmp sf_00 ; Next str-pos - -sf_90: sub dx,dx ; Return Null - mov ds,dx - inc dx ; Because of following dec -sf_fo: mov ax,dx ; Char found here - dec ax ; Pointed one after - mov dx,ds - pop si - pop di ; End - pop ds - mov bp,bx - ret -_strstr ENDP - - ; - ; Find a substring in string, return index - ; Arg: str,search - ; - - PUBLIC _strinstr -_strinstr PROC - push bp - mov bp,sp - push di - les di,DWORD PTR [bp+10] ; search - push es - push di - les di,DWORD PTR [bp+6] ; str - push es - push di - call _strstr - mov cx,ax - or cx,dx - jz si_99 - sub ax,di ; Pos from start - inc ax ; And first pos = 1 -si_99: add sp,8 - pop di - pop bp - ret -_strinstr ENDP - - ; - ; Make a string of len length from another string - ; Arg: dst,src,length - ; ret: end of dst - ; - - PUBLIC _strmake -_strmake PROC - mov bx,bp - mov bp,sp - push ds - push di - push si - les di,DWORD PTR [bp+4] ; dst - lds si,DWORD PTR [bp+8] ; src - mov cx,WORD PTR [bp+12] ; Length of memory-area - xor al,al ; For test of end-null - jcxz sm_90 ; Nothing to move, put zero at end. -; cld ; Work uppward - -@@: cmp al,ds:[si] ; Next char to move - movsb ; move arg - jz sm_99 ; last char, we are ready - loop @B ; Continue moving -sm_90: mov BYTE PTR es:[di],al ; Set end pos - inc di ; Fix that di points at end null -sm_99: dec di ; di points now at end null - mov ax,di ; Ret value in DX:AX - mov dx,es - pop si - pop di - pop ds - mov bp,bx - ret -_strmake ENDP - - ; - ; Find length of string with maxlength - ; arg: str,maxlength - ; ret: length - ; - - PUBLIC _strnlen -_strnlen PROC - mov bx,bp - mov bp,sp - push di - les di,DWORD PTR [bp+4] ; Str - mov cx,WORD PTR [bp+8] ; length - mov dx,di ; Save str to calc length - jcxz sn_10 ; Length = 0 - xor al,al ; Find end of string -; cld - repne scasb ; Find strend or length - jnz sn_10 - dec di ; DI points at last null -sn_10: mov ax,di - sub ax,dx ; Ax = length - pop di - mov bp,bx - ret -_strnlen ENDP - - ; - ; Move a string with max len chars - ; arg: dst,src,len - ; ret: pos to first null or dst+len - - PUBLIC _strnmov -_strnmov PROC - mov bx,bp - mov bp,sp - push ds - push di - push si - les di,DWORD PTR [bp+4] ; dst - lds si,DWORD PTR [bp+8] ; src - mov cx,WORD PTR [bp+12] ; length - jcxz snm_99 ; Nothing to do - xor al,al ; For test of end-null -; cld - -@@: cmp al,ds:[si] ; Next char to move - movsb ; move arg - jz snm_20 ; last char, fill with null - loop @B ; Continue moving - inc di ; Point two after last -snm_20: dec di ; Point at first null (or last+1) -snm_99: mov ax,di ; Pointer at last char - mov dx,es ; To-segment - pop si - pop di - pop ds - mov bp,bx ; Restore - ret -_strnmov ENDP - -else ; M_I386 - -include macros.asm - -q_stos MACRO ; as rep stosb but quicker, Uses edx - mov ah,al ;(2) Set up a 32 bit pattern. - mov edx,eax ;(2) - shl edx,16 ;(3) - or eax,edx ;(2) EAX has the 32 bit pattern. - - mov edx,ecx ;(2) Save the count of bytes. - shr ecx,2 ;(2) Number of dwords. - rep stosd ;(5 + 5n) - mov cl,3 ;(2) - and ecx,edx ;(2) Fill in the remaining odd bytes. - rep stosb ; Move last bytes if any - ENDM - -fix_es MACRO fix_cld ; Load ES if neaded - ife ESeqDS - mov ax,ds - mov es,ax - endif - ifnb - cld - endif - ENDM - - ; - ; Move a memory area - ; Args: to,from,length - ; Acts as one byte was moved a-time from dst to source. - ; - - begcode bmove - public _bmove -_bmove proc near - fix_es 1 - mov edx,edi - mov eax,esi - mov edi,P-SIZEPTR[esp] ;p1 - mov esi,P[esp] ;p2 - mov ecx,P+SIZEPTR[esp] - rep movsb ; Not q_movs because overlap ? - mov esi,eax - mov edi,edx - ret -_bmove ENDP - endcode bmove - - ; - ; Move a alligned, not overlapped, by (long) divided memory area - ; Args: to,from,length - ; - - begcode bmove_align - public _bmove_align -_bmove_align proc near - fix_es 1 - mov edx,edi - mov eax,esi - mov edi,P-SIZEPTR[esp] ;to - mov esi,P[esp] ;from - mov ecx,P+SIZEPTR[esp] ;length - add cx,3 ;fix if not divisible with long - shr cx,2 - rep movsd - mov esi,eax - mov edi,edx - ret -_bmove_align ENDP - endcode bmove_align - - ; - ; Move a string from higher to lower - ; Arg from+1,to+1,length - ; - - begcode bmove_upp - public _bmove_upp -_bmove_upp proc near - fix_es - std ; Work downward - mov edx,edi - mov eax,esi - mov edi,P-SIZEPTR[esp] ;p1 - mov esi,P[esp] ;p2 - mov ecx,P+SIZEPTR[esp] - dec edi ; Don't move last arg - dec esi - rep movsb ; One byte a time because overlap ! - cld ; C compilator wants cld - mov esi,eax - mov edi,edx - ret -_bmove_upp ENDP - endcode bmove_upp - - ; - ; Append fillchars to string - ; Args: dest,len,fill - ; - - begcode strappend - public _strappend -_strappend proc near - push ebp - mov ebp,esp - fix_es 1 - push edi - mov edi,P[ebp] ; Memory pointer - mov ecx,P+SIZEPTR[ebp] ; Length - clr eax ; Find end of string - repne scasb - jnz sa_99 ; String to long, shorten it - movzx eax,byte ptr P+(2*SIZEPTR)[ebp] ; Fillchar - dec edi ; Point at end null - inc ecx ; rep made one dec for null-char - q_stos ; Store al in string -sa_99: mov BYTE PTR [edi],0 ; End of string - pop edi - pop ebp - ret -_strappend ENDP - endcode strappend - - ; - ; Find if string contains any char in another string - ; Arg: str,set - ; Ret: Pointer to first found char in str - ; - - begcode strcont - PUBLIC _strcont -_strcont proc near - push ebp - mov ebp,esp - fix_es 1 - mov edx,edi - push esi - mov esi,P[ebp] ; str - mov ecx,P+SIZEPTR[ebp] ; Set - clr ah ; For endtest - jmps sc_60 - -sc_10: scasb - jz sc_fo ; Found char -sc_20: cmp ah,[edi] ; Test if null - jnz sc_10 ; Not end of set yet - inc esi ; Next char in str -sc_60: mov edi,ecx ; edi = Set - mov al,[esi] ; Test if this char exist - and al,al - jnz sc_20 ; Not end of string - clr esi ; Return Null -sc_fo: mov eax,esi ; Char found here - mov edi,edx ; Restore - pop esi - pop ebp - ret -_strcont ENDP - endcode strcont - - ; - ; Found end of string - ; Arg: str - ; ret: Pointer to end null - ; - - begcode strend - public _strend -_strend proc near - fix_es 1 - mov edx,edi ; Save - mov edi,P-SIZEPTR[esp] ; str - clr eax ; Find end of string - mov ecx,eax - dec ecx ; ECX = -1 - repne scasb - mov eax,edi - dec eax - mov edi,edx ; Restore - ret -_strend endp - endcode strend - - ; - ; Make a string with len fill-chars and endnull - ; Args: dest,len,fill - ; Ret: dest+len - ; - - begcode strfill - public _strfill -_strfill proc near - push ebp - mov ebp,esp - fix_es 1 - push edi - mov edi,P[ebp] ; Memory pointer - mov ecx,P+SIZEPTR[ebp] ; Length - movzx eax,byte ptr P+(2*SIZEPTR)[ebp] ; Fill - q_stos - mov BYTE PTR [edi],0 ; End NULL - mov eax,edi ; End i DX:AX - pop edi - pop ebp - ret -_strfill endp - endcode strfill - - ; - ; Find a char in or end of a string - ; Arg: str,char - ; Ret: pointer to found char or NullS - ; - - begcode strcend - public _strcend -_strcend proc near - push ebp - mov ebp,esp - fix_es 1 - mov edx,edi - mov edi,P[ebp] ; str - mov ah,P+SIZEPTR[ebp] ; search - clr al ; for scasb to find end - -@@: cmp ah,[edi] - jz @F ; Found char - scasb - jnz @B ; Not end - dec edi ; Not found, point at end of string -@@: mov eax,edi - mov edi,edx ; Restore - pop ebp - ret -_strcend ENDP - endcode strcend - - ; - ; Test if string has a given suffix - ; - - begcode is_prefix - public _is_prefix -_is_prefix proc near - fix_es 1 - mov edx,edi ; Save edi - mov eax,esi ; Save esi - mov esi,P[esp] ; get suffix - mov edi,P-SIZEPTR[esp] ; s1 - push eax ; push esi - mov eax,1 ; Ok and zero-test -@@: cmp ah,[esi] - jz suf_ok ; End of string; found suffix - cmpsb ; Compare strings - jz @B ; Same, possible prefix - xor eax,eax ; Not suffix -suf_ok: pop esi - mov edi,edx - ret -_is_prefix endp - endcode _is_prefix - - ; - ; Find a substring in string - ; Arg: str,search - ; - - begcode strstr - public _strstr -_strstr proc near - push ebp - mov ebp,esp - fix_es 1 - push EDI - push ESI - mov esi,P[ebp] ; str - mov edi,P+SIZEPTR[ebp] ; search - mov ecx,edi - inc ecx ; ECX = search+1 - mov ah,[edi] ; AH = First char in search - jmps sf_10 - -sf_00: mov esi,edx ; si = Current str-pos -sf_10: mov al,[esi] ; Test if this char exist - and al,al - jz sf_90 ; End of string, didn't find search - inc esi - cmp al,ah - jnz sf_10 ; Didn't find first char, continue - mov edx,esi ; Save str-pos in EDX - mov edi,ecx -sf_20: cmp BYTE PTR [edi],0 - jz sf_fo ; Found substring - cmpsb - jz sf_20 ; Char ok - jmps sf_00 ; Next str-pos - -sf_90: mov edx,1 ; Return Null -sf_fo: mov eax,edx ; Char found here - dec eax ; Pointed one after - pop ESI - pop EDI - pop ebp - ret -_strstr endp - endcode strstr - - ; - ; Find a substring in string, return index - ; Arg: str,search - ; - - begcode strinstr - public _strinstr -_strinstr proc near - push ebp - mov ebp,esp - push P+SIZEPTR[ebp] ; search - push P[ebp] ; str - call _strstr - add esp,SIZEPTR*2 - or eax,eax - jz si_99 ; Not found, return NULL - sub eax,P[ebp] ; Pos from start - inc eax ; And first pos = 1 -si_99: pop ebp - ret -_strinstr endp - endcode strinstr - - ; - ; Make a string of len length from another string - ; Arg: dst,src,length - ; ret: end of dst - ; - - begcode strmake - public _strmake -_strmake proc near - push ebp - mov ebp,esp - fix_es 1 - push EDI - push ESI - mov edi,P[ebp] ; dst - mov esi,P+SIZEPTR[ebp] ; src - mov ecx,P+SIZEPTR*2[ebp] ; Length of memory-area - clr al ; For test of end-null - jcxz sm_90 ; Nothing to move, put zero at end. - -@@: cmp al,[esi] ; Next char to move - movsb ; move arg - jz sm_99 ; last char, we are ready - loop @B ; Continue moving -sm_90: mov BYTE PTR [edi],al ; Set end pos - inc edi ; Fix that di points at end null -sm_99: dec edi ; di points now at end null - mov eax,edi ; Ret value in DX:AX - pop ESI - pop EDI - pop ebp - ret -_strmake ENDP - endcode strmake - - ; - ; Find length of string with maxlength - ; arg: str,maxlength - ; ret: length - ; - - begcode strnlen - public _strnlen -_strnlen proc near - push ebp - mov ebp,esp - fix_es 1 - push edi - mov edi,P[ebp] ; Str - mov ecx,P+SIZEPTR[ebp] ; length - mov edx,edi ; Save str to calc length - jcxz sn_10 ; Length = 0 - clr al ; Find end of string - repne scasb ; Find strend or length - jnz sn_10 - dec edi ; DI points at last null -sn_10: mov eax,edi - sub eax,edx ; Ax = length - pop edi - pop ebp - ret -_strnlen ENDP - endcode strnlen - - ; - ; Move a string with max len chars - ; arg: dst,src,len - ; ret: pos to first null or dst+len - - begcode strnmov - public _strnmov -_strnmov PROC near - push ebp - mov ebp,esp - fix_es 1 - push EDI - push ESI - mov edi,P[ebp] ; dst - mov esi,P+SIZEPTR[ebp] ; src - mov ecx,P+(SIZEPTR*2)[ebp] ; length - jcxz snm_99 ; Nothing to do - clr al ; For test of end-null - -@@: cmp al,[esi] ; Next char to move - movsb ; move arg - jz snm_20 ; last char, fill with null - loop @B ; Continue moving - inc edi ; Point two after last -snm_20: dec edi ; Point at first null (or last+1) -snm_99: mov eax,edi ; Pointer at last char - pop ESI - pop EDI - pop ebp - ret -_strnmov ENDP - endcode strnmov - -; -; Zortech has this one in standard library -; - - begcode strmov - public _strmov -_strmov proc near - mov ecx,esi ; Save old esi and edi - mov edx,edi - mov esi,P[esp] ; get source pointer (s2) - mov edi,P-SIZEPTR[esp] ; EDI -> s1 - fix_es 1 -@@: mov al,[esi] - movsb ; move arg - and al,al - jnz @B ; Not last - mov eax,edi - dec eax - mov esi,ecx ; Restore args - mov edi,edx - ret -_strmov endp - endcode strmov - -endif ; M_I386 - - END diff --git a/strings/strlen.c b/strings/strlen.c deleted file mode 100644 index 1469dd096ee..00000000000 --- a/strings/strlen.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : strlen.c - Author : Richard A. O'Keefe. / Monty - Michael Widenius; ifdef MC68000 - Updated: 1986-11-30 - Defines: strlen() - - strlen(s) returns the number of characters in s, that is, the number - of non-NUL characters found before the closing NULEosCh. Note: some - non-standard C compilers for 32-bit machines take int to be 16 bits, - either put up with short strings or change int to long throughout - this package. Better yet, BOYCOTT such shoddy compilers. - Beware: the asm version works only if strlen(s) < 65536. -*/ - -#include "strings.h" - -#if VaxAsm - -size_t strlen(char *s) -{ - asm("locc $0,$65535,*4(ap)"); - asm("subl3 r0,$65535,r0"); -} - -#else -#if defined(MC68000) && defined(DS90) - -size_t strlen(char *s) -{ -asm(" movl 4(a7),a0 "); -asm(" movl a0,a1 "); -asm(".L4: tstb (a0)+ "); -asm(" jne .L4 "); -asm(" movl a0,d0 "); -asm(" subl a1,d0 "); -asm(" subql #1,d0 "); -} -#else - -size_t strlen(register char *s) -{ - register char *startpos; - - startpos = s; - while (*s++); - return ((size_t) (s-startpos-1)); -} - -#endif -#endif diff --git a/strings/strrchr.c b/strings/strrchr.c deleted file mode 100644 index cdb0479ef90..00000000000 --- a/strings/strrchr.c +++ /dev/null @@ -1,39 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* File : strrchr.c - Author : Richard A. O'Keefe. - Updated: 10 April 1984 - Defines: strrchr(), rindex() - - strrchr(s, c) returns a pointer to the last place in s where c - occurs, or NullS if c does not occur in s. This function is called - rindex in V7 and 4.?bsd systems; while not ideal the name is clearer - than strrchr, so rindex remains in strings.h as a macro. NB: - strrchr looks for single characters, not for sets or strings. The - parameter 'c' is declared 'int' so it will go in a register; if your - C compiler is happy with register char change it to that. -*/ - -#include "strings.h" - -char *strrchr(register const char *s, register pchar c) -{ - reg3 char *t; - - t = NullS; - do if (*s == (char) c) t = (char*) s; while (*s++); - return (char*) t; -} diff --git a/strings/strxmov.asm b/strings/strxmov.asm deleted file mode 100644 index ad5d0dd3db0..00000000000 --- a/strings/strxmov.asm +++ /dev/null @@ -1,103 +0,0 @@ -; Copyright (C) 2000 MySQL AB -; -; This library is free software; you can redistribute it and/or -; modify it under the terms of the GNU Library General Public -; License as published by the Free Software Foundation; version 2 -; of the License. -; -; This library is distributed in the hope that it will be useful, -; but WITHOUT ANY WARRANTY; without even the implied warranty of -; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -; Library General Public License for more details. -; -; You should have received a copy of the GNU Library General Public -; License along with this library; if not, write to the Free -; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -; MA 02111-1307, USA - - TITLE Optimized strxmov for MSDOS / Intel 8086 - -ifndef M_I386 - .8087 - DOSSEG - .MODEL LARGE - .CODE - - PUBLIC _strxmov -_strxmov PROC - mov bx,sp - add bx,4 - push si - push di - mov cx,ds ; Save ds -ASSUME DS: NOTHING -ASSUME ES: NOTHING - les di,DWORD PTR ss:[bx] ; dst - jmp next_str - -start_str: - mov al,ds:[si] - movsb ; move arg - and al,al - jnz start_str ; Not last - dec di - -next_str: - add bx,4 - lds si,DWORD PTR ss:[bx] - mov ax,ds - or ax,si - jnz start_str - - mov byte ptr es:[di],0 ; Force end null (if no source) - mov ds,cx - mov ax,di ; Return ptr to last 0 - mov dx,es - pop di - pop si - ret -_strxmov ENDP - -else - -include macros.asm - - begcode strxmov - public _strxmov - -_strxmov PROC near -ASSUME DS: NOTHING -ASSUME ES: NOTHING - push EBP - mov EBP,ESP - mov EDX,EBX ; Save EBX - mov ECX,ESI ; Save ESI - push EDI - mov EDI,8[EBP] ; Get destination - lea EBX,8[EBP] ; Get adress to first source - 4 - xor al,al - jmp next_str - -start_str: movsb - cmp AL,[EDI-1] - jne start_str - dec EDI ; Don't copy last null - -next_str: add EBX,4 - mov ESI,[EBX] - or ESI,ESI - jne start_str - mov byte ptr [EDI],0 ; Force last null - - mov EAX,EDI ; Return ptr to null - pop EDI - mov ESI,ECX - mov EBX,EDX - pop EBP - ret -_strxmov endp - endcode strxmov - -endif - - END diff --git a/strings/udiv.c b/strings/udiv.c deleted file mode 100644 index 81ac01ee9c3..00000000000 --- a/strings/udiv.c +++ /dev/null @@ -1,36 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Do udiv and urem if machine dosn't have it */ - -#include -#include - -unsigned long udiv(long unsigned int a, long unsigned int b) -{ - if (a < INT_MAX32 && b < INT_MAX32) - return (unsigned long) ((long) a / (long) b); - if (!(b & 1)) - return (unsigned long) ((long) (a >> 1) / (long) (b >> 1)); - - return (unsigned long) floor(((double) a / (double) b)); -} - -unsigned long urem(long unsigned int a, long unsigned int b) -{ - if (a < INT_MAX32 && b < INT_MAX32) - return (unsigned long) ((long) a % (long) b); - return a-udiv(a,b)*b; -} From b2fda7cfa867392a2c2d3d4644bb003021cb7b3a Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Fri, 28 May 2010 18:17:02 -0300 Subject: [PATCH 362/400] Remove build files which relied on the now defunct make-ccc files. --- BUILD/Makefile.am | 2 -- BUILD/compile-alpha-ccc | 41 --------------------------------------- BUILD/compile-alpha-cxx | 43 ----------------------------------------- 3 files changed, 86 deletions(-) delete mode 100755 BUILD/compile-alpha-ccc delete mode 100755 BUILD/compile-alpha-cxx diff --git a/BUILD/Makefile.am b/BUILD/Makefile.am index 496fb302b16..c7bf813c9fe 100644 --- a/BUILD/Makefile.am +++ b/BUILD/Makefile.am @@ -25,8 +25,6 @@ EXTRA_DIST = FINISH.sh \ check-cpu \ cleanup \ compile-alpha \ - compile-alpha-ccc \ - compile-alpha-cxx \ compile-alpha-debug \ compile-amd64-debug-max \ compile-amd64-debug-max-no-ndb \ diff --git a/BUILD/compile-alpha-ccc b/BUILD/compile-alpha-ccc deleted file mode 100755 index 59ed241d51c..00000000000 --- a/BUILD/compile-alpha-ccc +++ /dev/null @@ -1,41 +0,0 @@ -#! /bin/sh - -/bin/rm -f */.deps/*.P */*.o -make -k maintainer-clean -/bin/rm -f */.deps/*.P */*.o -/bin/rm -f config.cache mysql-*.tar.gz - -path=`dirname $0` -. "$path/autorun.sh" - -CC=ccc CFLAGS="-fast -O3 -fomit-frame-pointer" CXX=gcc CXXFLAGS="-O6 -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti -mcpu=ev6 -Wa,-mev6" CXXLDFLAGS='/usr/lib/compaq/libots-2.2.7/libots.so /usr/lib/compaq/cpml-5.0.0/libcpml_ev6.a' ./configure --prefix=/usr/local/mysql --disable-shared --with-extra-charsets=complex --enable-thread-safe-client -make -rm */.deps/* -make -if [ $? = 0 ] -then - rm */.deps/* - bin/mysqladmin shutdown - sur make install - if [ $? = 0 ] - then - scripts/make_binary_distribution - fi -fi - -exit - -# This should give better performance by compiling many files at once, but -# according to our benchmarks there isn't any real difference. - -pwd=`pwd` -for i in */make-ccc -do - cd `dirname $i` - make-ccc - cd $pwd -done -cd sql -rm mysqld .deps/*.P -make mysqld -cd $pwd diff --git a/BUILD/compile-alpha-cxx b/BUILD/compile-alpha-cxx deleted file mode 100755 index a1b5605ac5e..00000000000 --- a/BUILD/compile-alpha-cxx +++ /dev/null @@ -1,43 +0,0 @@ -#! /bin/sh - -/bin/rm -f */.deps/*.P */*.o -make -k maintainer-clean -/bin/rm -f */.deps/*.P */*.o -/bin/rm -f */.deps/*.P config.cache storage/innobase/config.cache mysql-*.tar.gz - -path=`dirname $0` -. "$path/autorun.sh" - -CC=ccc CFLAGS="-fast" CXX=cxx CXXFLAGS="-fast -noexceptions -nortti" ./configure --prefix=/usr/local/mysql --disable-shared --with-extra-charsets=complex --enable-thread-safe-client --with-mysqld-ldflags=-non_shared --with-client-ldflags=-non_shared --without-extra-tools --disable-dependency-tracking - -make -j2 -find . -name ".deps" | xargs rm -r -make -if [ $? = 0 ] -then - find . -name ".deps" | xargs rm -r - bin/mysqladmin shutdown - sur make install - if [ $? = 0 ] - then - scripts/make_binary_distribution - fi - make test -fi - -exit - -# This should give better performance by compiling many files at once, but -# according to our benchmarks there isn't any real difference. - -pwd=`pwd` -for i in */make-ccc -do - cd `dirname $i` - make-ccc - cd $pwd -done -cd sql -rm mysqld .deps/*.P -make mysqld -cd $pwd From 570c6cc87a6217b49b911b35a91d35c9961d7674 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Fri, 28 May 2010 19:13:31 -0300 Subject: [PATCH 363/400] Backport: Remove unused and ancient files, functions, and facilities. --- client/mysql.cc | 16 -- client/sql_string.cc | 7 - include/my_pthread.h | 1 - mysys/my_pthread.c | 5 - sql/lock.cc | 14 -- sql/lock.h | 38 +-- sql/sql_class.h | 2 - sql/sql_const.h | 6 - sql/sql_delete.cc | 3 +- sql/sql_priv.h | 4 - sql/sql_string.cc | 7 - sql/thr_malloc.cc | 4 - sql/thr_malloc.h | 1 - storage/myisam/CMakeLists.txt | 4 +- storage/myisam/Makefile.am | 9 +- storage/myisam/ft_eval.c | 252 -------------------- storage/myisam/ft_eval.h | 41 ---- storage/myisam/ft_stem.c | 18 -- storage/myisam/ft_test1.c | 315 ------------------------- storage/myisam/ft_test1.h | 420 ---------------------------------- 20 files changed, 10 insertions(+), 1157 deletions(-) delete mode 100644 storage/myisam/ft_eval.c delete mode 100644 storage/myisam/ft_eval.h delete mode 100644 storage/myisam/ft_stem.c delete mode 100644 storage/myisam/ft_test1.c delete mode 100644 storage/myisam/ft_test1.h diff --git a/client/mysql.cc b/client/mysql.cc index 86094edc039..4a7a8f0e58c 100644 --- a/client/mysql.cc +++ b/client/mysql.cc @@ -59,8 +59,6 @@ static char *server_version= NULL; /* Array of options to pass to libemysqld */ #define MAX_SERVER_ARGS 64 -void* sql_alloc(unsigned size); // Don't use mysqld alloc for these -void sql_element_free(void *ptr); #include "sql_string.h" extern "C" { @@ -4963,17 +4961,3 @@ static int com_prompt(String *buffer, char *line) tee_fprintf(stdout, "PROMPT set to '%s'\n", current_prompt); return 0; } - -#ifndef EMBEDDED_LIBRARY -/* Keep sql_string library happy */ - -void *sql_alloc(size_t Size) -{ - return my_malloc(Size,MYF(MY_WME)); -} - -void sql_element_free(void *ptr) -{ - my_free(ptr,MYF(0)); -} -#endif /* EMBEDDED_LIBRARY */ diff --git a/client/sql_string.cc b/client/sql_string.cc index ccbc8977e7f..6b749409a64 100644 --- a/client/sql_string.cc +++ b/client/sql_string.cc @@ -24,13 +24,6 @@ #include #include #include -/* - The following extern declarations are ok as these are interface functions - required by the string function -*/ - -extern void sql_alloc(size_t size); -extern void sql_element_free(void *ptr); #include "sql_string.h" diff --git a/include/my_pthread.h b/include/my_pthread.h index e41abba950e..ea37f6e6b92 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -712,7 +712,6 @@ extern my_bool my_thread_init(void); extern void my_thread_end(void); extern const char *my_thread_name(void); extern my_thread_id my_thread_dbug_id(void); -extern int pthread_no_free(void *); extern int pthread_dummy(int); /* All thread specific variables are in the following struct */ diff --git a/mysys/my_pthread.c b/mysys/my_pthread.c index b6b7e7db857..3019e4bc5c1 100644 --- a/mysys/my_pthread.c +++ b/mysys/my_pthread.c @@ -492,11 +492,6 @@ int my_pthread_mutex_trylock(pthread_mutex_t *mutex) /* Some help functions */ -int pthread_no_free(void *not_used __attribute__((unused))) -{ - return 0; -} - int pthread_dummy(int ret) { return ret; diff --git a/sql/lock.cc b/sql/lock.cc index 758ea6cf914..3f13f15454a 100644 --- a/sql/lock.cc +++ b/sql/lock.cc @@ -533,20 +533,6 @@ void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table) } } -/* Downgrade all locks on a table to new WRITE level from WRITE_ONLY */ - -void mysql_lock_downgrade_write(THD *thd, TABLE *table, - thr_lock_type new_lock_type) -{ - MYSQL_LOCK *locked; - if ((locked = get_lock_data(thd, &table, 1, GET_LOCK_UNLOCK))) - { - for (uint i=0; i < locked->lock_count; i++) - thr_downgrade_write_lock(locked->locks[i], new_lock_type); - my_free((uchar*) locked,MYF(0)); - } -} - /** Abort all other threads waiting to get lock in table. */ diff --git a/sql/lock.h b/sql/lock.h index 19b23f1f42b..f7c19913675 100644 --- a/sql/lock.h +++ b/sql/lock.h @@ -53,52 +53,22 @@ typedef struct st_mysql_lock MYSQL_LOCK; MYSQL_OPEN_HAS_MDL_LOCK) -#include "thr_lock.h" /* thr_lock_type */ - -struct TABLE_LIST; -class THD; -struct TABLE; -typedef struct st_mysql_lock MYSQL_LOCK; - MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **table, uint count, uint flags); void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock); void mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock); void mysql_unlock_some_tables(THD *thd, TABLE **table,uint count); void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table); void mysql_lock_abort(THD *thd, TABLE *table, bool upgrade_lock); -void mysql_lock_downgrade_write(THD *thd, TABLE *table, - thr_lock_type new_lock_type); bool mysql_lock_abort_for_thread(THD *thd, TABLE *table); MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a,MYSQL_LOCK *b); TABLE_LIST *mysql_lock_have_duplicate(THD *thd, TABLE_LIST *needle, TABLE_LIST *haystack); -bool lock_global_read_lock(THD *thd); -void unlock_global_read_lock(THD *thd); -bool wait_if_global_read_lock(THD *thd, bool abort_on_refresh, - bool is_not_commit); -void start_waiting_global_read_lock(THD *thd); -bool make_global_read_lock_block_commit(THD *thd); -bool set_protect_against_global_read_lock(void); -void unset_protect_against_global_read_lock(void); +void broadcast_refresh(void); +/* Lock based on name */ +bool lock_table_names(THD *thd, TABLE_LIST *table_list); +void unlock_table_names(THD *thd); /* Lock based on stored routine name */ bool lock_routine_name(THD *thd, bool is_function, const char *db, const char *name); -void broadcast_refresh(void); - -/* Lock based on name */ -int lock_and_wait_for_table_name(THD *thd, TABLE_LIST *table_list); -int lock_table_name(THD *thd, TABLE_LIST *table_list, bool check_in_use); -void unlock_table_name(THD *thd, TABLE_LIST *table_list); -bool wait_for_locked_table_names(THD *thd, TABLE_LIST *table_list); -bool lock_table_names(THD *thd, TABLE_LIST *table_list); -void unlock_table_names(THD *thd); -bool lock_table_names_exclusively(THD *thd, TABLE_LIST *table_list); -bool is_table_name_exclusively_locked_by_this_thread(THD *thd, - TABLE_LIST *table_list); -bool is_table_name_exclusively_locked_by_this_thread(THD *thd, uchar *key, - int key_length); -void broadcast_refresh(void); - - #endif /* LOCK_INCLUDED */ diff --git a/sql/sql_class.h b/sql/sql_class.h index fb28d3b09c8..22143eb1498 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -2119,8 +2119,6 @@ public: char scramble[SCRAMBLE_LENGTH+1]; bool slave_thread, one_shot_set; - bool locked, some_tables_deleted; - bool last_cuted_field; bool no_errors, password; /** Set to TRUE if execution of the current compound statement diff --git a/sql/sql_const.h b/sql/sql_const.h index 72f34ed6be8..dca66628ddb 100644 --- a/sql/sql_const.h +++ b/sql/sql_const.h @@ -136,7 +136,6 @@ #ifndef MYSQLD_NET_RETRY_COUNT #define MYSQLD_NET_RETRY_COUNT 10 ///< Abort read after this many int. #endif -#define TEMP_POOL_SIZE 128 #define QUERY_ALLOC_BLOCK_SIZE 8192 #define QUERY_ALLOC_PREALLOC_SIZE 8192 @@ -146,11 +145,8 @@ #define ACL_ALLOC_BLOCK_SIZE 1024 #define UDF_ALLOC_BLOCK_SIZE 1024 #define TABLE_ALLOC_BLOCK_SIZE 1024 -#define BDB_LOG_ALLOC_BLOCK_SIZE 1024 #define WARN_ALLOC_BLOCK_SIZE 2048 #define WARN_ALLOC_PREALLOC_SIZE 1024 -#define PROFILE_ALLOC_BLOCK_SIZE 2048 -#define PROFILE_ALLOC_PREALLOC_SIZE 1024 /* The following parameters is to decide when to use an extra cache to @@ -194,8 +190,6 @@ */ #define MATCHING_ROWS_IN_OTHER_TABLE 10 -#define RAID_BLOCK_SIZE 1024 - #define MY_CHARSET_BIN_MB_MAXLEN 1 /** Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used). */ diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc index 25e470f56ea..2e86315d072 100644 --- a/sql/sql_delete.cc +++ b/sql/sql_delete.cc @@ -25,8 +25,7 @@ #include "sql_cache.h" // query_cache_* #include "sql_base.h" // open_temprary_table #include "sql_table.h" // build_table_filename -#include "lock.h" // lock_and_wait_for_table_name, - // unlock_table_name +#include "lock.h" // unlock_table_name #include "sql_view.h" // check_key_in_view, mysql_frm_type #include "sql_parse.h" // mysql_init_select #include "sql_acl.h" // *_ACL diff --git a/sql/sql_priv.h b/sql/sql_priv.h index 20893e0caa8..8601b10b9bf 100644 --- a/sql/sql_priv.h +++ b/sql/sql_priv.h @@ -187,10 +187,6 @@ extern char err_shared_dir[]; #define BINLOG_DUMP_NON_BLOCK 1 -/* sql_show.cc:show_log_files() */ -#define SHOW_LOG_STATUS_FREE "FREE" -#define SHOW_LOG_STATUS_INUSE "IN USE" - /* Some defines for exit codes for ::is_equal class functions. */ diff --git a/sql/sql_string.cc b/sql/sql_string.cc index 9fbc06b7529..762eebba031 100644 --- a/sql/sql_string.cc +++ b/sql/sql_string.cc @@ -24,13 +24,6 @@ #include #include #include -/* - The following extern declarations are ok as these are interface functions - required by the string function -*/ - -extern uchar* sql_alloc(unsigned size); -extern void sql_element_free(void *ptr); #include "sql_string.h" diff --git a/sql/thr_malloc.cc b/sql/thr_malloc.cc index 638f3bbb9f1..7696f28081d 100644 --- a/sql/thr_malloc.cc +++ b/sql/thr_malloc.cc @@ -109,10 +109,6 @@ void* sql_memdup(const void *ptr, size_t len) return pos; } -void sql_element_free(void *ptr __attribute__((unused))) -{} /* purecov: deadcode */ - - char *sql_strmake_with_convert(const char *str, size_t arg_length, CHARSET_INFO *from_cs, diff --git a/sql/thr_malloc.h b/sql/thr_malloc.h index a655884b8b4..6b372a285a2 100644 --- a/sql/thr_malloc.h +++ b/sql/thr_malloc.h @@ -27,7 +27,6 @@ void *sql_calloc(size_t); char *sql_strdup(const char *str); char *sql_strmake(const char *str, size_t len); void *sql_memdup(const void * ptr, size_t size); -void sql_element_free(void *ptr); char *sql_strmake_with_convert(const char *str, size_t arg_length, CHARSET_INFO *from_cs, size_t max_res_length, diff --git a/storage/myisam/CMakeLists.txt b/storage/myisam/CMakeLists.txt index 4b7007055d8..b057a62a6dd 100755 --- a/storage/myisam/CMakeLists.txt +++ b/storage/myisam/CMakeLists.txt @@ -13,7 +13,7 @@ # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -SET(MYISAM_SOURCES ft_boolean_search.c ft_nlq_search.c ft_parser.c ft_static.c ft_stem.c +SET(MYISAM_SOURCES ft_boolean_search.c ft_nlq_search.c ft_parser.c ft_static.c ha_myisam.cc ft_stopwords.c ft_update.c mi_cache.c mi_changed.c mi_check.c mi_checksum.c mi_close.c mi_create.c mi_dbug.c mi_delete.c @@ -23,7 +23,7 @@ SET(MYISAM_SOURCES ft_boolean_search.c ft_nlq_search.c ft_parser.c ft_static.c mi_rfirst.c mi_rlast.c mi_rnext.c mi_rnext_same.c mi_rprev.c mi_rrnd.c mi_rsame.c mi_rsamepos.c mi_scan.c mi_search.c mi_static.c mi_statrec.c mi_unique.c mi_update.c mi_write.c rt_index.c rt_key.c rt_mbr.c - rt_split.c sort.c sp_key.c ft_eval.h mi_extrafunc.h myisamdef.h + rt_split.c sort.c sp_key.c mi_extrafunc.h myisamdef.h rt_index.h mi_rkey.c) MYSQL_ADD_PLUGIN(myisam ${MYISAM_SOURCES} diff --git a/storage/myisam/Makefile.am b/storage/myisam/Makefile.am index d0f7f5b86dc..5c3370ac6c5 100644 --- a/storage/myisam/Makefile.am +++ b/storage/myisam/Makefile.am @@ -27,7 +27,7 @@ LDADD = DEFS = @DEFS@ -EXTRA_DIST = mi_test_all.sh mi_test_all.res ft_stem.c CMakeLists.txt plug.in +EXTRA_DIST = mi_test_all.sh mi_test_all.res CMakeLists.txt plug.in pkgdata_DATA = mi_test_all mi_test_all.res pkglib_LIBRARIES = libmyisam.a @@ -47,10 +47,9 @@ myisampack_LDADD= @CLIENT_EXTRA_LDFLAGS@ libmyisam.a \ $(top_builddir)/mysys/libmysys.a \ $(top_builddir)/dbug/libdbug.a \ $(top_builddir)/strings/libmystrings.a @ZLIB_LIBS@ -noinst_PROGRAMS = mi_test1 mi_test2 mi_test3 rt_test sp_test #ft_test1 ft_eval +noinst_PROGRAMS = mi_test1 mi_test2 mi_test3 rt_test sp_test noinst_HEADERS = myisamdef.h rt_index.h rt_key.h rt_mbr.h sp_defs.h \ - fulltext.h ftdefs.h ft_test1.h ft_eval.h \ - ha_myisam.h mi_extrafunc.h + fulltext.h ftdefs.h ha_myisam.h mi_extrafunc.h mi_test1_DEPENDENCIES= $(LIBRARIES) mi_test1_LDADD= @CLIENT_EXTRA_LDFLAGS@ libmyisam.a \ $(top_builddir)/mysys/libmysys.a \ @@ -66,8 +65,6 @@ mi_test3_LDADD= @CLIENT_EXTRA_LDFLAGS@ libmyisam.a \ $(top_builddir)/mysys/libmysys.a \ $(top_builddir)/dbug/libdbug.a \ $(top_builddir)/strings/libmystrings.a @ZLIB_LIBS@ -#ft_test1_DEPENDENCIES= $(LIBRARIES) -#ft_eval_DEPENDENCIES= $(LIBRARIES) myisam_ftdump_DEPENDENCIES= $(LIBRARIES) myisam_ftdump_LDADD = @CLIENT_EXTRA_LDFLAGS@ libmyisam.a \ $(top_builddir)/mysys/libmysys.a \ diff --git a/storage/myisam/ft_eval.c b/storage/myisam/ft_eval.c deleted file mode 100644 index f4faabe7919..00000000000 --- a/storage/myisam/ft_eval.c +++ /dev/null @@ -1,252 +0,0 @@ -/* Copyright (C) 2000-2002 MySQL AB - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Written by Sergei A. Golubchik, who has a shared copyright to this code - added support for long options (my_getopt) 22.5.2002 by Jani Tolonen */ - -#include "ftdefs.h" -#include "ft_eval.h" -#include -#include - -static void print_error(int exit_code, const char *fmt,...); -static void get_options(int argc, char *argv[]); -static int create_record(char *pos, FILE *file); -static void usage(); - -static struct my_option my_long_options[] = -{ - {"", 's', "", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'q', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'S', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", '#', "", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'V', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", '?', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'h', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0} -}; - -int main(int argc, char *argv[]) -{ - MI_INFO *file; - int i,j; - - MY_INIT(argv[0]); - get_options(argc,argv); - bzero((char*)recinfo,sizeof(recinfo)); - - /* First define 2 columns */ - recinfo[0].type=FIELD_SKIP_ENDSPACE; - recinfo[0].length=docid_length; - recinfo[1].type=FIELD_BLOB; - recinfo[1].length= 4+portable_sizeof_char_ptr; - - /* Define a key over the first column */ - keyinfo[0].seg=keyseg; - keyinfo[0].keysegs=1; - keyinfo[0].block_length= 0; /* Default block length */ - keyinfo[0].seg[0].type= HA_KEYTYPE_TEXT; - keyinfo[0].seg[0].flag= HA_BLOB_PART; - keyinfo[0].seg[0].start=recinfo[0].length; - keyinfo[0].seg[0].length=key_length; - keyinfo[0].seg[0].null_bit=0; - keyinfo[0].seg[0].null_pos=0; - keyinfo[0].seg[0].bit_start=4; - keyinfo[0].seg[0].language=MY_CHARSET_CURRENT; - keyinfo[0].flag = HA_FULLTEXT; - - if (!silent) - printf("- Creating isam-file\n"); - if (mi_create(filename,1,keyinfo,2,recinfo,0,NULL,(MI_CREATE_INFO*) 0,0)) - goto err; - if (!(file=mi_open(filename,2,0))) - goto err; - if (!silent) - printf("Initializing stopwords\n"); - ft_init_stopwords(stopwordlist); - - if (!silent) - printf("- Writing key:s\n"); - - my_errno=0; - i=0; - while (create_record(record,df)) - { - error=mi_write(file,record); - if (error) - printf("I= %2d mi_write: %d errno: %d\n",i,error,my_errno); - i++; - } - fclose(df); - - if (mi_close(file)) goto err; - if (!silent) - printf("- Reopening file\n"); - if (!(file=mi_open(filename,2,0))) goto err; - if (!silent) - printf("- Reading rows with key\n"); - for (i=1;create_record(record,qf);i++) - { - FT_DOCLIST *result; - double w; - int t, err; - - result=ft_nlq_init_search(file,0,blob_record,(uint) strlen(blob_record),1); - if (!result) - { - printf("Query %d failed with errno %3d\n",i,my_errno); - goto err; - } - if (!silent) - printf("Query %d. Found: %d.\n",i,result->ndocs); - for (j=0;(err=ft_nlq_read_next(result, read_record))==0;j++) - { - t=uint2korr(read_record); - w=ft_nlq_get_relevance(result); - printf("%d %.*s %f\n",i,t,read_record+2,w); - } - if (err != HA_ERR_END_OF_FILE) - { - printf("ft_read_next %d failed with errno %3d\n",j,my_errno); - goto err; - } - ft_nlq_close_search(result); - } - - if (mi_close(file)) goto err; - my_end(MY_CHECK_ERROR); - - return (0); - - err: - printf("got error: %3d when using myisam-database\n",my_errno); - return 1; /* skip warning */ - -} - - -static my_bool -get_one_option(int optid, const struct my_option *opt __attribute__((unused)), - char *argument) -{ - switch (optid) { - case 's': - if (stopwordlist && stopwordlist != ft_precompiled_stopwords) - break; - { - FILE *f; char s[HA_FT_MAXLEN]; int i=0,n=SWL_INIT; - - if (!(stopwordlist=(const char**) malloc(n*sizeof(char *)))) - print_error(1,"malloc(%d)",n*sizeof(char *)); - if (!(f=fopen(argument,"r"))) - print_error(1,"fopen(%s)",argument); - while (!feof(f)) - { - if (!(fgets(s,HA_FT_MAXLEN,f))) - print_error(1,"fgets(s,%d,%s)",HA_FT_MAXLEN,argument); - if (!(stopwordlist[i++]=strdup(s))) - print_error(1,"strdup(%s)",s); - if (i >= n) - { - n+=SWL_PLUS; - if (!(stopwordlist=(const char**) realloc((char*) stopwordlist, - n*sizeof(char *)))) - print_error(1,"realloc(%d)",n*sizeof(char *)); - } - } - fclose(f); - stopwordlist[i]=NULL; - break; - } - case 'q': silent=1; break; - case 'S': if (stopwordlist==ft_precompiled_stopwords) stopwordlist=NULL; break; - case '#': - DBUG_PUSH (argument); - break; - case 'V': - case '?': - case 'h': - usage(); - exit(1); - } - return 0; -} - - -static void get_options(int argc, char *argv[]) -{ - int ho_error; - - if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option))) - exit(ho_error); - - if (!(d_file=argv[optind])) print_error(1,"No d_file"); - if (!(df=fopen(d_file,"r"))) - print_error(1,"fopen(%s)",d_file); - if (!(q_file=argv[optind+1])) print_error(1,"No q_file"); - if (!(qf=fopen(q_file,"r"))) - print_error(1,"fopen(%s)",q_file); - return; -} /* get options */ - - -static int create_record(char *pos, FILE *file) -{ - uint tmp; char *ptr; - - bzero((char *)pos,MAX_REC_LENGTH); - - /* column 1 - VARCHAR */ - if (!(fgets(pos+2,MAX_REC_LENGTH-32,file))) - { - if (feof(file)) - return 0; - else - print_error(1,"fgets(docid) - 1"); - } - tmp=(uint) strlen(pos+2)-1; - int2store(pos,tmp); - pos+=recinfo[0].length; - - /* column 2 - BLOB */ - - if (!(fgets(blob_record,MAX_BLOB_LENGTH,file))) - print_error(1,"fgets(docid) - 2"); - tmp=(uint) strlen(blob_record); - int4store(pos,tmp); - ptr=blob_record; - memcpy_fixed(pos+4,&ptr,sizeof(char*)); - return 1; -} - -/* VARARGS */ - -static void print_error(int exit_code, const char *fmt,...) -{ - va_list args; - - va_start(args,fmt); - fprintf(stderr,"%s: error: ",my_progname); - (void) vfprintf(stderr, fmt, args); - (void) fputc('\n',stderr); - fflush(stderr); - va_end(args); - exit(exit_code); -} - - -static void usage() -{ - printf("%s [options]\n", my_progname); - my_print_help(my_long_options); - my_print_variables(my_long_options); -} diff --git a/storage/myisam/ft_eval.h b/storage/myisam/ft_eval.h deleted file mode 100644 index 9acc1a60d09..00000000000 --- a/storage/myisam/ft_eval.h +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright (C) 2000 MySQL AB & Sergei A. Golubchik - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Written by Sergei A. Golubchik, who has a shared copyright to this code */ - -const char **stopwordlist=ft_precompiled_stopwords; - -#define MAX_REC_LENGTH 128 -#define MAX_BLOB_LENGTH 60000 -char record[MAX_REC_LENGTH], read_record[MAX_REC_LENGTH+MAX_BLOB_LENGTH]; -char blob_record[MAX_BLOB_LENGTH+20*20]; - -char *filename= (char*) "EVAL"; - -int silent=0, error=0; - -uint key_length=MAX_BLOB_LENGTH,docid_length=32; -char *d_file, *q_file; -FILE *df,*qf; - -MI_COLUMNDEF recinfo[3]; -MI_KEYDEF keyinfo[2]; -HA_KEYSEG keyseg[10]; - -#define SWL_INIT 500 -#define SWL_PLUS 50 - -#define MAX_LINE_LENGTH 128 -char line[MAX_LINE_LENGTH]; diff --git a/storage/myisam/ft_stem.c b/storage/myisam/ft_stem.c deleted file mode 100644 index dfc132fcfa9..00000000000 --- a/storage/myisam/ft_stem.c +++ /dev/null @@ -1,18 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Written by Sergei A. Golubchik, who has a shared copyright to this code */ - -/* mulitingual stem */ diff --git a/storage/myisam/ft_test1.c b/storage/myisam/ft_test1.c deleted file mode 100644 index b37935a0d7a..00000000000 --- a/storage/myisam/ft_test1.c +++ /dev/null @@ -1,315 +0,0 @@ -/* Copyright (C) 2000-2002, 2004 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Written by Sergei A. Golubchik, who has a shared copyright to this code - added support for long options (my_getopt) 22.5.2002 by Jani Tolonen */ - -#include "ftdefs.h" -#include "ft_test1.h" -#include - -static int key_field=FIELD_VARCHAR,extra_field=FIELD_SKIP_ENDSPACE; -static uint key_length=200,extra_length=50; -static int key_type=HA_KEYTYPE_TEXT; -static int verbose=0,silent=0,skip_update=0, - no_keys=0,no_stopwords=0,no_search=0,no_fulltext=0; -static int create_flag=0,error=0; - -#define MAX_REC_LENGTH 300 -static char record[MAX_REC_LENGTH],read_record[MAX_REC_LENGTH]; - -static int run_test(const char *filename); -static void get_options(int argc, char *argv[]); -static void create_record(char *, int); -static void usage(); - -static struct my_option my_long_options[] = -{ - {"", 'v', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", '?', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'h', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'V', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'v', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 's', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'N', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'S', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'K', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'F', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", 'U', "", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, - {"", '#', "", 0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0}, - { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0} -}; - -int main(int argc, char *argv[]) -{ - MY_INIT(argv[0]); - - get_options(argc,argv); - - exit(run_test("FT1")); -} - -static MI_COLUMNDEF recinfo[3]; -static MI_KEYDEF keyinfo[2]; -static HA_KEYSEG keyseg[10]; - -static int run_test(const char *filename) -{ - MI_INFO *file; - int i,j; - my_off_t pos; - - bzero((char*) recinfo,sizeof(recinfo)); - - /* First define 2 columns */ - recinfo[0].type=extra_field; - recinfo[0].length= (extra_field == FIELD_BLOB ? 4 + portable_sizeof_char_ptr : - extra_length); - if (extra_field == FIELD_VARCHAR) - recinfo[0].length+= HA_VARCHAR_PACKLENGTH(extra_length); - recinfo[1].type=key_field; - recinfo[1].length= (key_field == FIELD_BLOB ? 4+portable_sizeof_char_ptr : - key_length); - if (key_field == FIELD_VARCHAR) - recinfo[1].length+= HA_VARCHAR_PACKLENGTH(key_length); - - /* Define a key over the first column */ - keyinfo[0].seg=keyseg; - keyinfo[0].keysegs=1; - keyinfo[0].block_length= 0; /* Default block length */ - keyinfo[0].seg[0].type= key_type; - keyinfo[0].seg[0].flag= (key_field == FIELD_BLOB) ? HA_BLOB_PART: - (key_field == FIELD_VARCHAR) ? HA_VAR_LENGTH_PART:0; - keyinfo[0].seg[0].start=recinfo[0].length; - keyinfo[0].seg[0].length=key_length; - keyinfo[0].seg[0].null_bit= 0; - keyinfo[0].seg[0].null_pos=0; - keyinfo[0].seg[0].language= default_charset_info->number; - keyinfo[0].flag = (no_fulltext?HA_PACK_KEY:HA_FULLTEXT); - - if (!silent) - printf("- Creating isam-file\n"); - if (mi_create(filename,(no_keys?0:1),keyinfo,2,recinfo,0,NULL, - (MI_CREATE_INFO*) 0, create_flag)) - goto err; - if (!(file=mi_open(filename,2,0))) - goto err; - - if (!silent) - printf("- %s stopwords\n",no_stopwords?"Skipping":"Initializing"); - ft_init_stopwords(no_stopwords?NULL:ft_precompiled_stopwords); - - if (!silent) - printf("- Writing key:s\n"); - - my_errno=0; - for (i=NUPD ; indocs); - for (j=0;j<5;j++) - { - double w; int err; - err= ft_nlq_read_next(result, read_record); - if (err==HA_ERR_END_OF_FILE) - { - printf("No more matches!\n"); - break; - } - else if (err) - { - printf("ft_read_next %d failed with errno %3d\n",j,my_errno); - break; - } - w=ft_nlq_get_relevance(result); - if (key_field == FIELD_VARCHAR) - { - uint l; - char *p; - p=recinfo[0].length+read_record; - l=uint2korr(p); - printf("%10.7f: %.*s\n",w,(int) l,p+2); - } - else - printf("%10.7f: %.*s\n",w,recinfo[1].length, - recinfo[0].length+read_record); - } - ft_nlq_close_search(result); - } - - if (mi_close(file)) goto err; - my_end(MY_CHECK_ERROR); - - return (0); -err: - printf("got error: %3d when using myisam-database\n",my_errno); - return 1; /* skip warning */ -} - -static char blob_key[MAX_REC_LENGTH]; -/* static char blob_record[MAX_REC_LENGTH+20*20]; */ - -void create_record(char *pos, int n) -{ - bzero((char*) pos,MAX_REC_LENGTH); - if (recinfo[0].type == FIELD_BLOB) - { - uint tmp; - char *ptr; - strnmov(blob_key,data[n].f0,keyinfo[0].seg[0].length); - tmp=strlen(blob_key); - int4store(pos,tmp); - ptr=blob_key; - memcpy_fixed(pos+4,&ptr,sizeof(char*)); - pos+=recinfo[0].length; - } - else if (recinfo[0].type == FIELD_VARCHAR) - { - uint tmp; - /* -1 is here because pack_length is stored in seg->length */ - uint pack_length= HA_VARCHAR_PACKLENGTH(keyinfo[0].seg[0].length-1); - strnmov(pos+pack_length,data[n].f0,keyinfo[0].seg[0].length); - tmp=strlen(pos+pack_length); - if (pack_length == 1) - *pos= (char) tmp; - else - int2store(pos,tmp); - pos+=recinfo[0].length; - } - else - { - strnmov(pos,data[n].f0,keyinfo[0].seg[0].length); - pos+=recinfo[0].length; - } - if (recinfo[1].type == FIELD_BLOB) - { - uint tmp; - char *ptr; - strnmov(blob_key,data[n].f2,keyinfo[0].seg[0].length); - tmp=strlen(blob_key); - int4store(pos,tmp); - ptr=blob_key; - memcpy_fixed(pos+4,&ptr,sizeof(char*)); - pos+=recinfo[1].length; - } - else if (recinfo[1].type == FIELD_VARCHAR) - { - uint tmp; - /* -1 is here because pack_length is stored in seg->length */ - uint pack_length= HA_VARCHAR_PACKLENGTH(keyinfo[0].seg[0].length-1); - strnmov(pos+pack_length,data[n].f2,keyinfo[0].seg[0].length); - tmp=strlen(pos+1); - if (pack_length == 1) - *pos= (char) tmp; - else - int2store(pos,tmp); - pos+=recinfo[1].length; - } - else - { - strnmov(pos,data[n].f2,keyinfo[0].seg[0].length); - pos+=recinfo[1].length; - } -} - - -static my_bool -get_one_option(int optid, const struct my_option *opt __attribute__((unused)), - char *argument) -{ - switch(optid) { - case 'v': verbose=1; break; - case 's': silent=1; break; - case 'F': no_fulltext=1; no_search=1; - case 'U': skip_update=1; break; - case 'K': no_keys=no_search=1; break; - case 'N': no_search=1; break; - case 'S': no_stopwords=1; break; - case '#': - DBUG_PUSH (argument); - break; - case 'V': - case '?': - case 'h': - usage(); - exit(1); - } - return 0; -} - -/* Read options */ - -static void get_options(int argc,char *argv[]) -{ - int ho_error; - - if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option))) - exit(ho_error); - return; -} /* get options */ - - -static void usage() -{ - printf("%s [options]\n", my_progname); - my_print_help(my_long_options); - my_print_variables(my_long_options); -} diff --git a/storage/myisam/ft_test1.h b/storage/myisam/ft_test1.h deleted file mode 100644 index 4b466818460..00000000000 --- a/storage/myisam/ft_test1.h +++ /dev/null @@ -1,420 +0,0 @@ -/* Copyright (C) 2000-2001 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Written by Sergei A. Golubchik, who has a shared copyright to this code */ - -#define NUPD 20 -#define NDATAS 389 -struct { const char *f0, *f2; } data[NDATAS] = { - {"1", "General Information about MySQL"}, - {"1.1", "What is MySQL?"}, - {"1.2", "About this manual"}, - {"1.3", "History of MySQL"}, - {"1.4", "The main features of MySQL"}, - {"1.5", "General SQL information and tutorials"}, - {"1.6", "Useful MySQL-related links"}, - {"1.7", "What are stored procedures and triggers and so on?"}, - {"2", "MySQL mailing lists and how to ask questions/give error (bug) reports"}, - {"2.1", "Subscribing to/un-subscribing from the MySQL mailing list"}, - {"2.2", "Asking questions or reporting bugs"}, - {"2.3", "I think I have found a bug. What information do you need to help me?"}, - {"2.3.1", "MySQL keeps crashing"}, - {"2.4", "Guidelines for answering questions on the mailing list"}, - {"3", "Licensing or When do I have/want to pay for MySQL?"}, - {"3.1", "How much does MySQL cost?"}, - {"3.2", "How do I get commercial support?"}, - {"3.2.1", "Types of commercial support"}, - {"3.2.1.1", "Basic email support"}, - {"3.2.1.2", "Extended email support"}, -/*------------------------------- NUPD=20 -------------------------------*/ - {"3.2.1.3", "Asking: Login support"}, - {"3.2.1.4", "Extended login support"}, - {"3.3", "How do I pay for licenses/support?"}, - {"3.4", "Who do I contact when I want more information about licensing/support?"}, - {"3.5", "What Copyright does MySQL use?"}, - {"3.6", "When may I distribute MySQL commercially without a fee?"}, - {"3.7", "I want to sell a product that can be configured to use MySQL"}, - {"3.8", "I am running a commercial web server using MySQL"}, - {"3.9", "Do I need a license to sell commercial Perl/tcl/PHP/Web+ etc applications?"}, - {"3.10", "Possible future changes in the licensing"}, - {"4", "Compiling and installing MySQL"}, - {"4.1", "How do I get MySQL?"}, - {"4.2", "Which MySQL version should I use?"}, - {"4.3", "How/when will you release updates?"}, - {"4.4", "What operating systems does MySQL support?"}, - {"4.5", "Compiling MySQL from source code"}, - {"4.5.1", "Quick installation overview"}, - {"4.5.2", "Usual configure switches"}, - {"4.5.3", "Applying a patch"}, - {"4.6", "Problems compiling?"}, - {"4.7", "General compilation notes"}, - {"4.8", "MIT-pthreads notes (FreeBSD)"}, - {"4.9", "Perl installation comments"}, - {"4.10", "Special things to consider for some machine/OS combinations"}, - {"4.10.1", "Solaris notes"}, - {"4.10.2", "SunOS 4 notes"}, - {"4.10.3", "Linux notes for all versions"}, - {"4.10.3.1", "Linux-x86 notes"}, - {"4.10.3.2", "RedHat 5.0"}, - {"4.10.3.3", "RedHat 5.1"}, - {"4.10.3.4", "Linux-Sparc notes"}, - {"4.10.3.5", "Linux-Alpha notes"}, - {"4.10.3.6", "MkLinux notes"}, - {"4.10.4", "Alpha-DEC-Unix notes"}, - {"4.10.5", "Alpha-DEC-OSF1 notes"}, - {"4.10.6", "SGI-IRIX notes"}, - {"4.10.7", "FreeBSD notes"}, - {"4.10.7.1", "FreeBSD-3.0 notes"}, - {"4.10.8", "BSD/OS 2.# notes"}, - {"4.10.8.1", "BSD/OS 3.# notes"}, - {"4.10.9", "SCO notes"}, - {"4.10.10", "SCO Unixware 7.0 notes"}, - {"4.10.11", "IBM-AIX notes"}, - {"4.10.12", "HP-UX notes"}, - {"4.11", "TcX binaries"}, - {"4.12", "Win32 notes"}, - {"4.13", "Installation instructions for MySQL binary releases"}, - {"4.13.1", "How to get MySQL Perl support working"}, - {"4.13.2", "Linux notes"}, - {"4.13.3", "HP-UX notes"}, - {"4.13.4", "Linking client libraries"}, - {"4.14", "Problems running mysql_install_db"}, - {"4.15", "Problems starting MySQL"}, - {"4.16", "Automatic start/stop of MySQL"}, - {"4.17", "Option files"}, - {"5", "How standards-compatible is MySQL?"}, - {"5.1", "What extensions has MySQL to ANSI SQL92?"}, - {"5.2", "What functionality is missing in MySQL?"}, - {"5.2.1", "Sub-selects"}, - {"5.2.2", "SELECT INTO TABLE"}, - {"5.2.3", "Transactions"}, - {"5.2.4", "Triggers"}, - {"5.2.5", "Foreign Keys"}, - {"5.2.5.1", "Some reasons NOT to use FOREIGN KEYS"}, - {"5.2.6", "Views"}, - {"5.2.7", "-- as start of a comment"}, - {"5.3", "What standards does MySQL follow?"}, - {"5.4", "What functions exist only for compatibility?"}, - {"5.5", "Limitations of BLOB and TEXT types"}, - {"5.6", "How to cope without COMMIT-ROLLBACK"}, - {"6", "The MySQL access privilege system"}, - {"6.1", "What the privilege system does"}, - {"6.2", "Connecting to the MySQL server"}, - {"6.2.1", "Keeping your password secure"}, - {"6.3", "Privileges provided by MySQL"}, - {"6.4", "How the privilege system works"}, - {"6.5", "The privilege tables"}, - {"6.6", "Setting up the initial MySQL privileges"}, - {"6.7", "Adding new user privileges to MySQL"}, - {"6.8", "An example permission setup"}, - {"6.9", "Causes of Access denied errors"}, - {"6.10", "How to make MySQL secure against crackers"}, - {"7", "MySQL language reference"}, - {"7.1", "Literals: how to write strings and numbers"}, - {"7.1.1", "Strings"}, - {"7.1.2", "Numbers"}, - {"7.1.3", "NULL values"}, - {"7.1.4", "Database, table, index, column and alias names"}, - {"7.1.4.1", "Case sensitivity in names"}, - {"7.2", "Column types"}, - {"7.2.1", "Column type storage requirements"}, - {"7.2.5", "Numeric types"}, - {"7.2.6", "Date and time types"}, - {"7.2.6.1", "The DATE type"}, - {"7.2.6.2", "The TIME type"}, - {"7.2.6.3", "The DATETIME type"}, - {"7.2.6.4", "The TIMESTAMP type"}, - {"7.2.6.5", "The YEAR type"}, - {"7.2.6.6", "Miscellaneous date and time properties"}, - {"7.2.7", "String types"}, - {"7.2.7.1", "The CHAR and VARCHAR types"}, - {"7.2.7.2", "The BLOB and TEXT types"}, - {"7.2.7.3", "The ENUM type"}, - {"7.2.7.4", "The SET type"}, - {"7.2.8", "Choosing the right type for a column"}, - {"7.2.9", "Column indexes"}, - {"7.2.10", "Multiple-column indexes"}, - {"7.2.11", "Using column types from other database engines"}, - {"7.3", "Functions for use in SELECT and WHERE clauses"}, - {"7.3.1", "Grouping functions"}, - {"7.3.2", "Normal arithmetic operations"}, - {"7.3.3", "Bit functions"}, - {"7.3.4", "Logical operations"}, - {"7.3.5", "Comparison operators"}, - {"7.3.6", "String comparison functions"}, - {"7.3.7", "Control flow functions"}, - {"7.3.8", "Mathematical functions"}, - {"7.3.9", "String functions"}, - {"7.3.10", "Date and time functions"}, - {"7.3.11", "Miscellaneous functions"}, - {"7.3.12", "Functions for use with GROUP BY clauses"}, - {"7.4", "CREATE DATABASE syntax"}, - {"7.5", "DROP DATABASE syntax"}, - {"7.6", "CREATE TABLE syntax"}, - {"7.7", "ALTER TABLE syntax"}, - {"7.8", "OPTIMIZE TABLE syntax"}, - {"7.9", "DROP TABLE syntax"}, - {"7.10", "DELETE syntax"}, - {"7.11", "SELECT syntax"}, - {"7.12", "JOIN syntax"}, - {"7.13", "INSERT syntax"}, - {"7.14", "REPLACE syntax"}, - {"7.15", "LOAD DATA INFILE syntax"}, - {"7.16", "UPDATE syntax"}, - {"7.17", "USE syntax"}, - {"7.18", "SHOW syntax (Get information about tables, columns...)"}, - {"7.19", "EXPLAIN syntax (Get information about a SELECT)"}, - {"7.20", "DESCRIBE syntax (Get information about columns)"}, - {"7.21", "LOCK TABLES/UNLOCK TABLES syntax"}, - {"7.22", "SET OPTION syntax"}, - {"7.23", "GRANT syntax (Compatibility function)"}, - {"7.24", "CREATE INDEX syntax (Compatibility function)"}, - {"7.25", "DROP INDEX syntax (Compatibility function)"}, - {"7.26", "Comment syntax"}, - {"7.27", "CREATE FUNCTION/DROP FUNCTION syntax"}, - {"7.28", "Is MySQL picky about reserved words?"}, - {"8", "Example SQL queries"}, - {"8.1", "Queries from twin project"}, - {"8.1.1", "Find all non-distributed twins"}, - {"8.1.2", "Show a table on twin pair status"}, - {"9", "How safe/stable is MySQL?"}, - {"9.1", "How stable is MySQL?"}, - {"9.2", "Why are there is so many releases of MySQL?"}, - {"9.3", "Checking a table for errors"}, - {"9.4", "How to repair tables"}, - {"9.5", "Is there anything special to do when upgrading/downgrading MySQL?"}, - {"9.5.1", "Upgrading from a 3.21 version to 3.22"}, - {"9.5.2", "Upgrading from a 3.20 version to 3.21"}, - {"9.5.3", "Upgrading to another architecture"}, - {"9.6", "Year 2000 compliance"}, - {"10", "MySQL Server functions"}, - {"10.1", "What languages are supported by MySQL?"}, - {"10.1.1", "Character set used for data & sorting"}, - {"10.2", "The update log"}, - {"10.3", "How big can MySQL tables be?"}, - {"11", "Getting maximum performance from MySQL"}, - {"11.1", "How does one change the size of MySQL buffers?"}, - {"11.2", "How compiling and linking affects the speed of MySQL"}, - {"11.3", "How does MySQL use memory?"}, - {"11.4", "How does MySQL use indexes?"}, - {"11.5", "What optimizations are done on WHERE clauses?"}, - {"11.6", "How does MySQL open & close tables?"}, - {"11.6.0.1", "What are the drawbacks of creating possibly thousands of tables in a database?"}, - {"11.7", "How does MySQL lock tables?"}, - {"11.8", "How should I arrange my table to be as fast/small as possible?"}, - {"11.9", "What affects the speed of INSERT statements?"}, - {"11.10", "What affects the speed DELETE statements?"}, - {"11.11", "How do I get MySQL to run at full speed?"}, - {"11.12", "What are the different row formats? Or, when should VARCHAR/CHAR be used?"}, - {"11.13", "Why so many open tables?"}, - {"12", "MySQL benchmark suite"}, - {"13", "MySQL Utilites"}, - {"13.1", "Overview of the different MySQL programs"}, - {"13.2", "The MySQL table check, optimize and repair program"}, - {"13.2.1", "isamchk memory use"}, - {"13.2.2", "Getting low-level table information"}, - {"13.3", "The MySQL compressed read-only table generator"}, - {"14", "Adding new functions to MySQL"}, - {"15", "MySQL ODBC Support"}, - {"15.1", "Operating systems supported by MyODBC"}, - {"15.2", "How to report problems with MyODBC"}, - {"15.3", "Programs known to work with MyODBC"}, - {"15.4", "How to fill in the various fields in the ODBC administrator program"}, - {"15.5", "How to get the value of an AUTO_INCREMENT column in ODBC"}, - {"16", "Problems and common errors"}, - {"16.1", "Some common errors when using MySQL"}, - {"16.1.1", "MySQL server has gone away error"}, - {"16.1.2", "Can't connect to local MySQL server error"}, - {"16.1.3", "Out of memory error"}, - {"16.1.4", "Packet too large error"}, - {"16.1.5", "The table is full error"}, - {"16.1.6", "Commands out of sync error in client"}, - {"16.1.7", "Removing user error"}, - {"16.2", "How MySQL handles a full disk"}, - {"16.3", "How to run SQL commands from a text file"}, - {"16.4", "Where MySQL stores temporary files"}, - {"16.5", "Access denied error"}, - {"16.6", "How to run MySQL as a normal user"}, - {"16.7", "Problems with file permissions"}, - {"16.8", "File not found"}, - {"16.9", "Problems using DATE columns"}, - {"16.10", "Case sensitivity in searches"}, - {"16.11", "Problems with NULL values"}, - {"17", "Solving some common problems with MySQL"}, - {"17.1", "Database replication"}, - {"17.2", "Database backups"}, - {"18", "MySQL client tools and API's"}, - {"18.1", "MySQL C API"}, - {"18.2", "C API datatypes"}, - {"18.3", "C API function overview"}, - {"18.4", "C API function descriptions"}, - {"18.4.1", "mysql_affected_rows()"}, - {"18.4.2", "mysql_close()"}, - {"18.4.3", "mysql_connect()"}, - {"18.4.4", "mysql_create_db()"}, - {"18.4.5", "mysql_data_seek()"}, - {"18.4.6", "mysql_debug()"}, - {"18.4.7", "mysql_drop_db()"}, - {"18.4.8", "mysql_dump_debug_info()"}, - {"18.4.9", "mysql_eof()"}, - {"18.4.10", "mysql_errno()"}, - {"18.4.11", "mysql_error()"}, - {"18.4.12", "mysql_escape_string()"}, - {"18.4.13", "mysql_fetch_field()"}, - {"18.4.14", "mysql_fetch_fields()"}, - {"18.4.15", "mysql_fetch_field_direct()"}, - {"18.4.16", "mysql_fetch_lengths()"}, - {"18.4.17", "mysql_fetch_row()"}, - {"18.4.18", "mysql_field_seek()"}, - {"18.4.19", "mysql_field_tell()"}, - {"18.4.20", "mysql_free_result()"}, - {"18.4.21", "mysql_get_client_info()"}, - {"18.4.22", "mysql_get_host_info()"}, - {"18.4.23", "mysql_get_proto_info()"}, - {"18.4.24", "mysql_get_server_info()"}, - {"18.4.25", "mysql_info()"}, - {"18.4.26", "mysql_init()"}, - {"18.4.27", "mysql_insert_id()"}, - {"18.4.28", "mysql_kill()"}, - {"18.4.29", "mysql_list_dbs()"}, - {"18.4.30", "mysql_list_fields()"}, - {"18.4.31", "mysql_list_processes()"}, - {"18.4.32", "mysql_list_tables()"}, - {"18.4.33", "mysql_num_fields()"}, - {"18.4.34", "mysql_num_rows()"}, - {"18.4.35", "mysql_query()"}, - {"18.4.36", "mysql_real_connect()"}, - {"18.4.37", "mysql_real_query()"}, - {"18.4.38", "mysql_reload()"}, - {"18.4.39", "mysql_row_tell()"}, - {"18.4.40", "mysql_select_db()"}, - {"18.4.41", "mysql_shutdown()"}, - {"18.4.42", "mysql_stat()"}, - {"18.4.43", "mysql_store_result()"}, - {"18.4.44", "mysql_thread_id()"}, - {"18.4.45", "mysql_use_result()"}, - {"18.4.46", "Why is it that after mysql_query() returns success, mysql_store_result() sometimes returns NULL?"}, - {"18.4.47", "What results can I get from a query?"}, - {"18.4.48", "How can I get the unique ID for the last inserted row?"}, - {"18.4.49", "Problems linking with the C API"}, - {"18.4.50", "How to make a thread-safe client"}, - {"18.5", "MySQL Perl API's"}, - {"18.5.1", "DBI with DBD::mysql"}, - {"18.5.1.1", "The DBI interface"}, - {"18.5.1.2", "More DBI/DBD information"}, - {"18.6", "MySQL Java connectivity (JDBC)"}, - {"18.7", "MySQL PHP API's"}, - {"18.8", "MySQL C++ API's"}, - {"18.9", "MySQL Python API's"}, - {"18.10", "MySQL TCL API's"}, - {"19", "How MySQL compares to other databases"}, - {"19.1", "How MySQL compares to mSQL"}, - {"19.1.1", "How to convert mSQL tools for MySQL"}, - {"19.1.2", "How mSQL and MySQL client/server communications protocols differ"}, - {"19.1.3", "How mSQL 2.0 SQL syntax differs from MySQL"}, - {"19.2", "How MySQL compares to PostgreSQL"}, - {"A", "Some users of MySQL"}, - {"B", "Contributed programs"}, - {"C", "Contributors to MySQL"}, - {"D", "MySQL change history"}, - {"19.3", "Changes in release 3.22.x (Alpha version)"}, - {"19.3.1", "Changes in release 3.22.7"}, - {"19.3.2", "Changes in release 3.22.6"}, - {"19.3.3", "Changes in release 3.22.5"}, - {"19.3.4", "Changes in release 3.22.4"}, - {"19.3.5", "Changes in release 3.22.3"}, - {"19.3.6", "Changes in release 3.22.2"}, - {"19.3.7", "Changes in release 3.22.1"}, - {"19.3.8", "Changes in release 3.22.0"}, - {"19.4", "Changes in release 3.21.x"}, - {"19.4.1", "Changes in release 3.21.33"}, - {"19.4.2", "Changes in release 3.21.32"}, - {"19.4.3", "Changes in release 3.21.31"}, - {"19.4.4", "Changes in release 3.21.30"}, - {"19.4.5", "Changes in release 3.21.29"}, - {"19.4.6", "Changes in release 3.21.28"}, - {"19.4.7", "Changes in release 3.21.27"}, - {"19.4.8", "Changes in release 3.21.26"}, - {"19.4.9", "Changes in release 3.21.25"}, - {"19.4.10", "Changes in release 3.21.24"}, - {"19.4.11", "Changes in release 3.21.23"}, - {"19.4.12", "Changes in release 3.21.22"}, - {"19.4.13", "Changes in release 3.21.21a"}, - {"19.4.14", "Changes in release 3.21.21"}, - {"19.4.15", "Changes in release 3.21.20"}, - {"19.4.16", "Changes in release 3.21.19"}, - {"19.4.17", "Changes in release 3.21.18"}, - {"19.4.18", "Changes in release 3.21.17"}, - {"19.4.19", "Changes in release 3.21.16"}, - {"19.4.20", "Changes in release 3.21.15"}, - {"19.4.21", "Changes in release 3.21.14b"}, - {"19.4.22", "Changes in release 3.21.14a"}, - {"19.4.23", "Changes in release 3.21.13"}, - {"19.4.24", "Changes in release 3.21.12"}, - {"19.4.25", "Changes in release 3.21.11"}, - {"19.4.26", "Changes in release 3.21.10"}, - {"19.4.27", "Changes in release 3.21.9"}, - {"19.4.28", "Changes in release 3.21.8"}, - {"19.4.29", "Changes in release 3.21.7"}, - {"19.4.30", "Changes in release 3.21.6"}, - {"19.4.31", "Changes in release 3.21.5"}, - {"19.4.32", "Changes in release 3.21.4"}, - {"19.4.33", "Changes in release 3.21.3"}, - {"19.4.34", "Changes in release 3.21.2"}, - {"19.4.35", "Changes in release 3.21.0"}, - {"19.5", "Changes in release 3.20.x"}, - {"19.5.1", "Changes in release 3.20.18"}, - {"19.5.2", "Changes in release 3.20.17"}, - {"19.5.3", "Changes in release 3.20.16"}, - {"19.5.4", "Changes in release 3.20.15"}, - {"19.5.5", "Changes in release 3.20.14"}, - {"19.5.6", "Changes in release 3.20.13"}, - {"19.5.7", "Changes in release 3.20.11"}, - {"19.5.8", "Changes in release 3.20.10"}, - {"19.5.9", "Changes in release 3.20.9"}, - {"19.5.10", "Changes in release 3.20.8"}, - {"19.5.11", "Changes in release 3.20.7"}, - {"19.5.12", "Changes in release 3.20.6"}, - {"19.5.13", "Changes in release 3.20.3"}, - {"19.5.14", "Changes in release 3.20.0"}, - {"19.6", "Changes in release 3.19.x"}, - {"19.6.1", "Changes in release 3.19.5"}, - {"19.6.2", "Changes in release 3.19.4"}, - {"19.6.3", "Changes in release 3.19.3"}, - {"E", "Known errors and design deficiencies in MySQL"}, - {"F", "List of things we want to add to MySQL in the future (The TODO)"}, - {"19.7", "Things that must done in the real near future"}, - {"19.8", "Things that have to be done sometime"}, - {"19.9", "Some things we don't have any plans to do"}, - {"G", "Comments on porting to other systems"}, - {"19.10", "Debugging MySQL"}, - {"19.11", "Comments about RTS threads"}, - {"19.12", "What is the difference between different thread packages?"}, - {"H", "Description of MySQL regular expression syntax"}, - {"I", "What is Unireg?"}, - {"J", "The MySQL server license"}, - {"K", "The MySQL license for Microsoft operating systems"}, - {"*", "SQL command, type and function index"}, - {"*", "Concept Index"} -}; - -#define NQUERIES 5 -const char *query[NQUERIES]={ - "mysql information and manual", - "upgrading from previous version", - "column indexes", - "against about after more right the with/without", /* stopwords test */ - "mysql license and copyright" -}; From aa28461510d211bd67c668a0922d555964e0d834 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Fri, 28 May 2010 19:53:26 -0300 Subject: [PATCH 364/400] Backport: remove dead code. Reorganize function to reflect that it does not actually uses curses and that there is no curses variant. --- include/my_sys.h | 8 ++------ mysys/CMakeLists.txt | 2 +- mysys/Makefile.am | 2 +- mysys/my_init.c | 2 +- mysys/{my_messnc.c => my_mess.c} | 6 +++--- mysys/my_static.c | 9 ++++----- sql/init.cc | 2 +- sql/mysqld.cc | 1 - 8 files changed, 13 insertions(+), 19 deletions(-) rename mysys/{my_messnc.c => my_mess.c} (88%) diff --git a/include/my_sys.h b/include/my_sys.h index ac10628f943..94b76e334b0 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -41,8 +41,6 @@ extern int NEAR my_errno; /* Last error in mysys */ #include /*for alloca*/ #endif -#define MYSYS_PROGRAM_USES_CURSES() { error_handler_hook = my_message_curses; mysys_uses_curses=1; } -#define MYSYS_PROGRAM_DONT_USE_CURSES() { error_handler_hook = my_message_no_curses; mysys_uses_curses=0;} #define MY_INIT(name); { my_progname= name; my_init(); } /** @@ -272,7 +270,7 @@ extern int NEAR my_umask_dir, NEAR my_recived_signals, /* Signals we have got */ NEAR my_safe_to_handle_signal, /* Set when allowed to SIGTSTP */ NEAR my_dont_interrupt; /* call remember_intr when set */ -extern my_bool NEAR mysys_uses_curses, my_use_symdir; +extern my_bool NEAR my_use_symdir; extern size_t sf_malloc_cur_memory, sf_malloc_max_memory; extern ulong my_default_record_cache_size; @@ -669,7 +667,6 @@ extern int nt_share_delete(const char *name,myf MyFlags); #ifdef _WIN32 /* Windows-only functions (CRT equivalents)*/ -extern File my_sopen(const char *path, int oflag, int shflag, int pmode); extern HANDLE my_get_osfhandle(File fd); extern void my_osmaperr(unsigned long last_error); #endif @@ -698,8 +695,7 @@ extern int my_error_register(const char** (*get_errmsgs) (), int first, int last); extern const char **my_error_unregister(int first, int last); extern void my_message(uint my_err, const char *str,myf MyFlags); -extern void my_message_no_curses(uint my_err, const char *str,myf MyFlags); -extern void my_message_curses(uint my_err, const char *str,myf MyFlags); +extern void my_message_stderr(uint my_err, const char *str, myf MyFlags); extern my_bool my_basic_init(void); extern my_bool my_init(void); extern void my_end(int infoflag); diff --git a/mysys/CMakeLists.txt b/mysys/CMakeLists.txt index 2fbaac7fe72..4c93f5ffd57 100755 --- a/mysys/CMakeLists.txt +++ b/mysys/CMakeLists.txt @@ -27,7 +27,7 @@ SET(MYSYS_SOURCES array.c charset-def.c charset.c checksum.c default.c default_ my_clock.c my_compress.c my_copy.c my_crc32.c my_create.c my_delete.c my_div.c my_error.c my_file.c my_fopen.c my_fstream.c my_gethostbyname.c my_gethwaddr.c my_getopt.c my_getsystime.c my_getwd.c my_handler.c my_init.c - my_lib.c my_lock.c my_lockmem.c my_malloc.c my_messnc.c + my_lib.c my_lock.c my_lockmem.c my_malloc.c my_mess.c my_mkdir.c my_mmap.c my_net.c my_once.c my_open.c my_pread.c my_pthread.c my_quick.c my_read.c my_realloc.c my_redel.c my_rename.c my_seek.c my_sleep.c my_static.c my_symlink.c my_symlink2.c my_sync.c my_thr_init.c diff --git a/mysys/Makefile.am b/mysys/Makefile.am index ad7f244e0fb..d5bffd874b2 100644 --- a/mysys/Makefile.am +++ b/mysys/Makefile.am @@ -34,7 +34,7 @@ libmysys_a_SOURCES = my_init.c my_getwd.c mf_getdate.c my_mmap.c \ my_vle.c my_atomic.c lf_hash.c \ lf_dynarray.c lf_alloc-pin.c \ my_fopen.c my_fstream.c my_getsystime.c \ - my_error.c errors.c my_div.c my_messnc.c \ + my_error.c errors.c my_div.c my_mess.c \ mf_format.c mf_same.c mf_dirname.c mf_fn_ext.c \ my_symlink.c my_symlink2.c \ mf_pack.c mf_unixpath.c mf_arr_appstr.c \ diff --git a/mysys/my_init.c b/mysys/my_init.c index 80f9a493bb0..f27f3f7b3e8 100644 --- a/mysys/my_init.c +++ b/mysys/my_init.c @@ -204,7 +204,7 @@ void my_end(int infoflag) char ebuff[512]; my_snprintf(ebuff, sizeof(ebuff), EE(EE_OPEN_WARNING), my_file_opened, my_stream_opened); - my_message_no_curses(EE_OPEN_WARNING, ebuff, ME_BELL); + my_message_stderr(EE_OPEN_WARNING, ebuff, ME_BELL); DBUG_PRINT("error", ("%s", ebuff)); my_print_open_files(); } diff --git a/mysys/my_messnc.c b/mysys/my_mess.c similarity index 88% rename from mysys/my_messnc.c rename to mysys/my_mess.c index e2dee3f6710..0ec97525ae8 100644 --- a/mysys/my_messnc.c +++ b/mysys/my_mess.c @@ -15,10 +15,10 @@ #include "mysys_priv.h" -void my_message_no_curses(uint error __attribute__((unused)), - const char *str, myf MyFlags) +void my_message_stderr(uint error __attribute__((unused)), + const char *str, myf MyFlags) { - DBUG_ENTER("my_message_no_curses"); + DBUG_ENTER("my_message_stderr"); DBUG_PRINT("enter",("message: %s",str)); (void) fflush(stdout); if (MyFlags & ME_BELL) diff --git a/mysys/my_static.c b/mysys/my_static.c index a86fe6c7ab7..ff5abba29d3 100644 --- a/mysys/my_static.c +++ b/mysys/my_static.c @@ -87,10 +87,10 @@ ulong my_time_to_wait_for_lock=2; /* In seconds */ char * NEAR globerrs[GLOBERRS]; /* my_error_messages is here */ #endif void (*my_abort_hook)(int) = (void(*)(int)) exit; -void (*error_handler_hook)(uint error,const char *str,myf MyFlags)= - my_message_no_curses; -void (*fatal_error_handler_hook)(uint error,const char *str,myf MyFlags)= - my_message_no_curses; +void (*error_handler_hook)(uint error, const char *str, myf MyFlags)= + my_message_stderr; +void (*fatal_error_handler_hook)(uint error, const char *str, myf MyFlags)= + my_message_stderr; static const char *proc_info_dummy(void *a __attribute__((unused)), const char *b __attribute__((unused)), @@ -123,7 +123,6 @@ my_bool NEAR my_disable_locking=0; my_bool NEAR my_disable_async_io=0; my_bool NEAR my_disable_flush_key_blocks=0; my_bool NEAR my_disable_symlinks=0; -my_bool NEAR mysys_uses_curses=0; /* Note that PSI_hook and PSI_server are unconditionally diff --git a/sql/init.cc b/sql/init.cc index c72787300b7..e43b12787ab 100644 --- a/sql/init.cc +++ b/sql/init.cc @@ -33,7 +33,7 @@ void unireg_init(ulong options) { DBUG_ENTER("unireg_init"); - MYSYS_PROGRAM_DONT_USE_CURSES(); + error_handler_hook = my_message_stderr; abort_loop=0; my_disable_async_io=1; /* aioread is only in shared library */ diff --git a/sql/mysqld.cc b/sql/mysqld.cc index f6a7ca08465..eb76132c080 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -3601,7 +3601,6 @@ static int init_common_variables() if (item_create_init()) return 1; item_init(); - mysys_uses_curses=0; #ifdef USE_REGEX my_regex_init(&my_charset_latin1); #endif From f75f58007e9145d62e7b7e5d13afecd129e429bd Mon Sep 17 00:00:00 2001 From: Sergey Glukhov Date: Mon, 31 May 2010 12:38:45 +0400 Subject: [PATCH 365/400] test case fix --- mysql-test/r/mdl_sync.result | 4 ++-- mysql-test/t/mdl_sync.test | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/mysql-test/r/mdl_sync.result b/mysql-test/r/mdl_sync.result index 8f236521f99..b78b8dadc77 100644 --- a/mysql-test/r/mdl_sync.result +++ b/mysql-test/r/mdl_sync.result @@ -2390,8 +2390,8 @@ SHOW FULL COLUMNS FROM t1; SET DEBUG_SYNC= "now WAIT_FOR waiting"; SHOW FULL COLUMNS FROM t1; Field Type Collation Null Key Default Extra Privileges Comment -a char(255) latin1_swedish_ci YES NULL select,insert,update,references +a char(255) latin1_swedish_ci YES NULL # SET DEBUG_SYNC= "now SIGNAL completed"; Field Type Collation Null Key Default Extra Privileges Comment -a char(255) latin1_swedish_ci YES NULL select,insert,update,references +a char(255) latin1_swedish_ci YES NULL # DROP TABLE t1; diff --git a/mysql-test/t/mdl_sync.test b/mysql-test/t/mdl_sync.test index dff29d2f6b6..0b4b9af5bc6 100644 --- a/mysql-test/t/mdl_sync.test +++ b/mysql-test/t/mdl_sync.test @@ -3479,9 +3479,10 @@ SET DEBUG_SYNC= "get_schema_column SIGNAL waiting WAIT_FOR completed"; connection default; SET DEBUG_SYNC= "now WAIT_FOR waiting"; +--replace_column 8 # SHOW FULL COLUMNS FROM t1; SET DEBUG_SYNC= "now SIGNAL completed"; - +--replace_column 8 # connection con1; --reap connection default; From ae3c6a75c42c7b7b7fc8a6675c240374a950d5b5 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 31 May 2010 13:59:23 +0300 Subject: [PATCH 366/400] Fix coding style --- storage/innobase/include/sync0sync.ic | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/storage/innobase/include/sync0sync.ic b/storage/innobase/include/sync0sync.ic index 7b9760ba45a..cf080e2e3ce 100644 --- a/storage/innobase/include/sync0sync.ic +++ b/storage/innobase/include/sync0sync.ic @@ -359,7 +359,7 @@ pfs_mutex_free_func( { if (UNIV_LIKELY(PSI_server && mutex->pfs_psi)) { PSI_server->destroy_mutex(mutex->pfs_psi); - mutex->pfs_psi= NULL; + mutex->pfs_psi = NULL; } mutex_free_func(mutex); From a612981422cf13acbd8419d3ae78a1a96bde9434 Mon Sep 17 00:00:00 2001 From: Tor Didriksen Date: Mon, 31 May 2010 12:59:58 +0200 Subject: [PATCH 367/400] Bug #49829 Many "hides virtual function" warnings with SunStudio Backport from mysql-pe (of those parts which have not been upmerged from 5.1) --- sql/field.cc | 8 ++++---- sql/item.cc | 20 ++++++++++---------- sql/item.h | 3 ++- sql/partition_info.cc | 26 +++++++++++++------------- sql/sql_load.cc | 6 +++--- 5 files changed, 32 insertions(+), 31 deletions(-) diff --git a/sql/field.cc b/sql/field.cc index fcabaeaa74d..ee7d91c1fb6 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -9125,7 +9125,7 @@ void Create_field::create_length_to_internal_length(void) void Create_field::init_for_tmp_table(enum_field_types sql_type_arg, uint32 length_arg, uint32 decimals_arg, bool maybe_null, bool is_unsigned, - uint pack_length) + uint pack_length_arg) { DBUG_ENTER("Create_field::init_for_tmp_table"); @@ -9138,7 +9138,7 @@ void Create_field::init_for_tmp_table(enum_field_types sql_type_arg, geom_type= Field::GEOM_GEOMETRY; DBUG_PRINT("enter", ("sql_type: %d, length: %u, pack_length: %u", - sql_type_arg, length_arg, pack_length)); + sql_type_arg, length_arg, pack_length_arg)); /* These pack flags are crafted to get it correctly through the @@ -9202,8 +9202,8 @@ void Create_field::init_for_tmp_table(enum_field_types sql_type_arg, case MYSQL_TYPE_GEOMETRY: // If you are going to use the above types, you have to pass a // pack_length as parameter. Assert that is really done. - DBUG_ASSERT(pack_length != ~0U); - pack_flag|= pack_length_to_packflag(pack_length); + DBUG_ASSERT(pack_length_arg != ~0U); + pack_flag|= pack_length_to_packflag(pack_length_arg); break; default: /* Nothing */ diff --git a/sql/item.cc b/sql/item.cc index ff036a9fb54..c59a17a0ea3 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -1,4 +1,4 @@ -/* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc. +/* Copyright (c) 2000, 2010 Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -3434,9 +3434,9 @@ Item_param::set_param_type_and_swap_value(Item_param *src) bool Item_param::set_value(THD *thd, sp_rcontext *ctx, Item **it) { - Item *value= *it; + Item *arg= *it; - if (value->is_null()) + if (arg->is_null()) { set_null(); return FALSE; @@ -3444,12 +3444,12 @@ Item_param::set_value(THD *thd, sp_rcontext *ctx, Item **it) null_value= FALSE; - switch (value->result_type()) { + switch (arg->result_type()) { case STRING_RESULT: { char str_buffer[STRING_BUFFER_USUAL_SIZE]; String sv_buffer(str_buffer, sizeof(str_buffer), &my_charset_bin); - String *sv= value->val_str(&sv_buffer); + String *sv= arg->val_str(&sv_buffer); if (!sv) return TRUE; @@ -3466,19 +3466,19 @@ Item_param::set_value(THD *thd, sp_rcontext *ctx, Item **it) } case REAL_RESULT: - set_double(value->val_real()); + set_double(arg->val_real()); param_type= MYSQL_TYPE_DOUBLE; break; case INT_RESULT: - set_int(value->val_int(), value->max_length); + set_int(arg->val_int(), arg->max_length); param_type= MYSQL_TYPE_LONG; break; case DECIMAL_RESULT: { my_decimal dv_buf; - my_decimal *dv= value->val_decimal(&dv_buf); + my_decimal *dv= arg->val_decimal(&dv_buf); if (!dv) return TRUE; @@ -3498,8 +3498,8 @@ Item_param::set_value(THD *thd, sp_rcontext *ctx, Item **it) return FALSE; } - item_result_type= value->result_type(); - item_type= value->type(); + item_result_type= arg->result_type(); + item_type= arg->type(); return FALSE; } diff --git a/sql/item.h b/sql/item.h index 8360fa61498..6398e9bffb7 100644 --- a/sql/item.h +++ b/sql/item.h @@ -2506,7 +2506,7 @@ public: DBUG_ASSERT(fixed); return (*ref)->get_time(ltime); } - bool basic_const_item() { return (*ref)->basic_const_item(); } + virtual bool basic_const_item() const { return (*ref)->basic_const_item(); } }; @@ -3367,6 +3367,7 @@ public: cmp_context= STRING_RESULT; } + virtual void store(Item *item) { Item_cache::store(item); } void store(Item *item, longlong val_arg); double val_real(); longlong val_int(); diff --git a/sql/partition_info.cc b/sql/partition_info.cc index 7be10ecde2c..a689d53d953 100644 --- a/sql/partition_info.cc +++ b/sql/partition_info.cc @@ -1,4 +1,4 @@ -/* Copyright (C) 2006-2008 MySQL AB, Sun Microsystems Inc. 2008-2009 +/* Copyright (c) 2006, 2010 Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -603,12 +603,12 @@ bool partition_info::check_engine_mix(handlerton *engine_type, { handlerton *old_engine_type= engine_type; bool first= TRUE; - uint num_parts= partitions.elements; + uint n_parts= partitions.elements; DBUG_ENTER("partition_info::check_engine_mix"); DBUG_PRINT("info", ("in: engine_type = %s, table_engine_set = %u", ha_resolve_storage_engine_name(engine_type), table_engine_set)); - if (num_parts) + if (n_parts) { List_iterator part_it(partitions); uint i= 0; @@ -621,7 +621,7 @@ bool partition_info::check_engine_mix(handlerton *engine_type, if (is_sub_partitioned() && part_elem->subpartitions.elements) { - uint num_subparts= part_elem->subpartitions.elements; + uint n_subparts= part_elem->subpartitions.elements; uint j= 0; List_iterator sub_it(part_elem->subpartitions); do @@ -633,7 +633,7 @@ bool partition_info::check_engine_mix(handlerton *engine_type, if (check_engine_condition(sub_elem, table_engine_set, &engine_type, &first)) goto error; - } while (++j < num_subparts); + } while (++j < n_subparts); /* ensure that the partition also has correct engine */ if (check_engine_condition(part_elem, table_engine_set, &engine_type, &first)) @@ -642,7 +642,7 @@ bool partition_info::check_engine_mix(handlerton *engine_type, else if (check_engine_condition(part_elem, table_engine_set, &engine_type, &first)) goto error; - } while (++i < num_parts); + } while (++i < n_parts); } DBUG_PRINT("info", ("engine_type = %s", ha_resolve_storage_engine_name(engine_type))); @@ -1315,15 +1315,15 @@ end: RETURN VALUES */ -void partition_info::print_no_partition_found(TABLE *table) +void partition_info::print_no_partition_found(TABLE *table_arg) { char buf[100]; char *buf_ptr= (char*)&buf; TABLE_LIST table_list; bzero(&table_list, sizeof(table_list)); - table_list.db= table->s->db.str; - table_list.table_name= table->s->table_name.str; + table_list.db= table_arg->s->db.str; + table_list.table_name= table_arg->s->table_name.str; if (check_single_table_access(current_thd, SELECT_ACL, &table_list, TRUE)) @@ -1337,13 +1337,13 @@ void partition_info::print_no_partition_found(TABLE *table) buf_ptr= (char*)"from column_list"; else { - my_bitmap_map *old_map= dbug_tmp_use_all_columns(table, table->read_set); + my_bitmap_map *old_map= dbug_tmp_use_all_columns(table_arg, table_arg->read_set); if (part_expr->null_value) buf_ptr= (char*)"NULL"; else longlong2str(err_value, buf, part_expr->unsigned_flag ? 10 : -10); - dbug_tmp_restore_column_map(table->read_set, old_map); + dbug_tmp_restore_column_map(table_arg->read_set, old_map); } my_error(ER_NO_PARTITION_FOR_GIVEN_VALUE, MYF(0), buf_ptr); } @@ -2003,7 +2003,7 @@ bool partition_info::fix_column_value_functions(THD *thd, part_elem_value *val, uint part_id) { - uint num_columns= part_field_list.elements; + uint n_columns= part_field_list.elements; bool result= FALSE; uint i; part_column_list_val *col_val= val->col_val_array; @@ -2013,7 +2013,7 @@ bool partition_info::fix_column_value_functions(THD *thd, { DBUG_RETURN(FALSE); } - for (i= 0; i < num_columns; col_val++, i++) + for (i= 0; i < n_columns; col_val++, i++) { Item *column_item= col_val->item_expression; Field *field= part_field_array[i]; diff --git a/sql/sql_load.cc b/sql/sql_load.cc index 6054bb0ac23..2c42f29ae71 100644 --- a/sql/sql_load.cc +++ b/sql/sql_load.cc @@ -1,4 +1,4 @@ -/* Copyright (C) 2000-2006 MySQL AB, 2008-2009 Sun Microsystems, Inc +/* Copyright (c) 2000, 2010 Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -1708,7 +1708,7 @@ bool READ_INFO::find_start_of_fields() /* Clear taglist from tags with a specified level */ -int READ_INFO::clear_level(int level) +int READ_INFO::clear_level(int level_arg) { DBUG_ENTER("READ_INFO::read_xml clear_level"); List_iterator xmlit(taglist); @@ -1717,7 +1717,7 @@ int READ_INFO::clear_level(int level) while ((tag= xmlit++)) { - if(tag->level >= level) + if(tag->level >= level_arg) { xmlit.remove(); delete tag; From 5c72bee9d4b935015db83ff1b8b5baf72c975e32 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Mon, 31 May 2010 09:27:10 -0300 Subject: [PATCH 368/400] Post-merge fix: rename filename in shared make file. --- libmysql/Makefile.shared | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libmysql/Makefile.shared b/libmysql/Makefile.shared index 71649b83991..71a4fd867bd 100644 --- a/libmysql/Makefile.shared +++ b/libmysql/Makefile.shared @@ -56,7 +56,7 @@ mysysobjects1 = my_init.lo my_static.lo my_malloc.lo my_realloc.lo \ my_create.lo my_delete.lo mf_tempfile.lo my_open.lo \ my_file.lo my_read.lo my_write.lo errors.lo \ my_error.lo my_getwd.lo my_div.lo \ - mf_pack.lo my_messnc.lo mf_dirname.lo mf_fn_ext.lo\ + mf_pack.lo my_mess.lo mf_dirname.lo mf_fn_ext.lo\ mf_wcomp.lo typelib.lo safemalloc.lo my_alloc.lo \ mf_format.lo mf_path.lo mf_unixpath.lo my_fopen.lo \ my_symlink.lo my_fstream.lo mf_arr_appstr.lo \ From 3ca98f76695772bf8e55cac20e1d197a7b6e3615 Mon Sep 17 00:00:00 2001 From: Gleb Shchepa Date: Mon, 31 May 2010 16:52:19 +0400 Subject: [PATCH 369/400] Bug #38745: MySQL 5.1 optimizer uses filesort for ORDER BY when it should use index Sometimes the LEFT/RIGHT JOIN with an empty table caused an unnecessary filesort. Sample query, where t1.i1 is indexed and t3 is empty: SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2 LEFT JOIN t3 ON t2.i2 = t3.i3 ORDER BY t1.i1 LIMIT 5; The server erroneously used an item of empty outer-joined table as a common constant of a Item_equal (multi-equivalence expression). By the fix for the bug 16590 the constant status of such an item has been propagated to st_table::const_key_parts map bits related to other Item_equal argument-related key parts (those are obviously not constant in our case). As far as test_if_skip_sort_order function skips constant prefixes of testing keys, this caused an ignorance of available indices, since some prefixes were marked as constant by mistake. --- mysql-test/r/order_by.result | 29 +++++++++++++++++++++++++++++ mysql-test/t/order_by.test | 24 ++++++++++++++++++++++++ sql/item.h | 15 +++++++++++++++ sql/item_cmpfunc.cc | 19 +++++++++++++++++-- 4 files changed, 85 insertions(+), 2 deletions(-) diff --git a/mysql-test/r/order_by.result b/mysql-test/r/order_by.result index 6827fd0bc76..fa5d8142baf 100644 --- a/mysql-test/r/order_by.result +++ b/mysql-test/r/order_by.result @@ -1618,3 +1618,32 @@ id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer DROP TABLE t1, t2; End of 5.1 tests +# +# Bug #38745: MySQL 5.1 optimizer uses filesort for ORDER BY +# when it should use index +# +CREATE TABLE t1 (i1 integer NOT NULL PRIMARY KEY); +CREATE TABLE t2 (i2 integer NOT NULL PRIMARY KEY); +CREATE TABLE t3 (i3 integer); +INSERT INTO t1 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12); +INSERT INTO t2 SELECT * FROM t1; +EXPLAIN EXTENDED +SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2 +LEFT JOIN t3 ON t2.i2 = t3.i3 +ORDER BY t1.i1 LIMIT 5; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t3 system NULL NULL NULL NULL 0 0.00 const row not found +1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 5 240.00 Using index +1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.i1 1 100.00 Using index +Warnings: +Note 1003 select `test`.`t1`.`i1` AS `i1`,`test`.`t2`.`i2` AS `i2` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`i2` = `test`.`t1`.`i1`) order by `test`.`t1`.`i1` limit 5 +SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2 +LEFT JOIN t3 ON t2.i2 = t3.i3 +ORDER BY t1.i1 LIMIT 5; +i1 i2 +1 1 +2 2 +3 3 +4 4 +5 5 +DROP TABLE t1, t2, t3; diff --git a/mysql-test/t/order_by.test b/mysql-test/t/order_by.test index 36b6015c5d8..2ea169d950d 100644 --- a/mysql-test/t/order_by.test +++ b/mysql-test/t/order_by.test @@ -1468,3 +1468,27 @@ SELECT * FROM t1 FORCE INDEX FOR JOIN (a), t2 WHERE t1.a < 2 ORDER BY t1.a; DROP TABLE t1, t2; --echo End of 5.1 tests + + +--echo # +--echo # Bug #38745: MySQL 5.1 optimizer uses filesort for ORDER BY +--echo # when it should use index +--echo # + +CREATE TABLE t1 (i1 integer NOT NULL PRIMARY KEY); +CREATE TABLE t2 (i2 integer NOT NULL PRIMARY KEY); +CREATE TABLE t3 (i3 integer); + +INSERT INTO t1 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12); +INSERT INTO t2 SELECT * FROM t1; + +EXPLAIN EXTENDED +SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2 + LEFT JOIN t3 ON t2.i2 = t3.i3 + ORDER BY t1.i1 LIMIT 5; + +SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2 + LEFT JOIN t3 ON t2.i2 = t3.i3 + ORDER BY t1.i1 LIMIT 5; + +DROP TABLE t1, t2, t3; diff --git a/sql/item.h b/sql/item.h index 6398e9bffb7..e441a6ff261 100644 --- a/sql/item.h +++ b/sql/item.h @@ -1181,6 +1181,10 @@ public: collation.set(&my_charset_numeric, DERIVATION_NUMERIC, MY_REPERTOIRE_ASCII); fix_char_length(max_char_length_arg); } + /* + Return TRUE if the item points to a column of an outer-joined table. + */ + virtual bool is_outer_field() const { DBUG_ASSERT(fixed); return FALSE; } }; @@ -1694,6 +1698,11 @@ public: int fix_outer_field(THD *thd, Field **field, Item **reference); virtual Item *update_value_transformer(uchar *select_arg); virtual void print(String *str, enum_query_type query_type); + bool is_outer_field() const + { + DBUG_ASSERT(fixed); + return field->table->pos_in_table_list->outer_join; + } Field::geometry_type get_geometry_type() const { DBUG_ASSERT(field_type() == MYSQL_TYPE_GEOMETRY); @@ -2507,6 +2516,12 @@ public: return (*ref)->get_time(ltime); } virtual bool basic_const_item() const { return (*ref)->basic_const_item(); } + bool is_outer_field() const + { + DBUG_ASSERT(fixed); + DBUG_ASSERT(ref); + return (*ref)->is_outer_field(); + } }; diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 19e8385539f..3c871bc0663 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -5466,7 +5466,21 @@ void Item_equal::update_const() Item *item; while ((item= it++)) { - if (item->const_item()) + if (item->const_item() && + /* + Don't propagate constant status of outer-joined column. + Such a constant status here is a result of: + a) empty outer-joined table: in this case such a column has a + value of NULL; but at the same time other arguments of + Item_equal don't have to be NULLs and the value of the whole + multiple equivalence expression doesn't have to be NULL or FALSE + because of the outer join nature; + or + b) outer-joined table contains only 1 row: the result of + this column is equal to a row field value *or* NULL. + Both values are inacceptable as Item_equal constants. + */ + !item->is_outer_field()) { it.remove(); add(item); @@ -5505,7 +5519,8 @@ void Item_equal::update_used_tables() { item->update_used_tables(); used_tables_cache|= item->used_tables(); - const_item_cache&= item->const_item(); + /* see commentary at Item_equal::update_const() */ + const_item_cache&= item->const_item() && !item->is_outer_field(); } } From ec4033b5068bdecb761a7d961ccd82ee0b42b5e8 Mon Sep 17 00:00:00 2001 From: Alexey Botchkov Date: Mon, 31 May 2010 18:33:38 +0500 Subject: [PATCH 370/400] test added for the bug #45052 --- mysql-test/r/alter_table.result | 4 ++++ mysql-test/t/alter_table.test | 11 +++++++++++ 2 files changed, 15 insertions(+) diff --git a/mysql-test/r/alter_table.result b/mysql-test/r/alter_table.result index 581ce66a3d4..90dde034e10 100644 --- a/mysql-test/r/alter_table.result +++ b/mysql-test/r/alter_table.result @@ -1366,3 +1366,7 @@ ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used le CREATE INDEX i2 ON t1 (a(20)); ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys DROP TABLE t1; +CREATE TABLE t1 (id int); +INSERT INTO t1 VALUES (1), (2); +ALTER TABLE t1 ADD COLUMN (f1 INT), ADD COLUMN (f2 INT), ADD KEY f2k(f2); +DROP TABLE t1; diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test index 54c662bccf2..d7f7a12cbf8 100644 --- a/mysql-test/t/alter_table.test +++ b/mysql-test/t/alter_table.test @@ -1117,3 +1117,14 @@ CREATE INDEX i2 ON t1 (a(20)); # cleanup DROP TABLE t1; + +# +# Bug #45052 ALTER TABLE ADD COLUMN crashes server with multiple foreign key columns +# The alter table fails if 2 or more new fields added and +# also added a key with these fields +# +CREATE TABLE t1 (id int); +INSERT INTO t1 VALUES (1), (2); +ALTER TABLE t1 ADD COLUMN (f1 INT), ADD COLUMN (f2 INT), ADD KEY f2k(f2); +DROP TABLE t1; + From 893dced429b1d817564dd9601783f724de92ba54 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Mon, 31 May 2010 17:38:02 +0400 Subject: [PATCH 371/400] Backport of - revid:sp1r-svoj@mysql.com/june.mysql.com-20080324111246-00461 - revid:sp1r-svoj@mysql.com/june.mysql.com-20080414125521-40866 BUG#35274 - merge table doesn't need any base tables, gives error 124 when key accessed SELECT queries that use index against a merge table with empty underlying tables list may return with error "Got error 124 from storage engine". The problem was that wrong error being returned. --- mysql-test/r/merge.result | 7 ++++++- mysql-test/t/merge.test | 9 ++++++++- storage/myisammrg/myrg_queue.c | 12 +++++++++++- 3 files changed, 25 insertions(+), 3 deletions(-) diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result index ff9b1a84dbc..e46d8e75ab1 100644 --- a/mysql-test/r/merge.result +++ b/mysql-test/r/merge.result @@ -277,7 +277,7 @@ t3 CREATE TABLE `t3` ( drop table t3,t2,t1; create table t1 (a int not null, key(a)) engine=merge; select * from t1; -ERROR HY000: Got error 124 from storage engine +a drop table t1; create table t1 (a int not null, b int not null, key(a,b)); create table t2 (a int not null, b int not null, key(a,b)); @@ -988,6 +988,11 @@ m1 CREATE TABLE `m1` ( `a` int(11) DEFAULT NULL ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1, m1; +CREATE TABLE t1(a INT, KEY(a)) ENGINE=merge; +SELECT MAX(a) FROM t1; +MAX(a) +NULL +DROP TABLE t1; CREATE TABLE t1(a INT); CREATE TABLE t2(a VARCHAR(10)); CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(t1, t2); diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test index ab901185e43..a9d98da0403 100644 --- a/mysql-test/t/merge.test +++ b/mysql-test/t/merge.test @@ -126,7 +126,6 @@ drop table t3,t2,t1; # Test table without unions # create table t1 (a int not null, key(a)) engine=merge; ---error 1030 select * from t1; drop table t1; @@ -615,6 +614,14 @@ ALTER TABLE m1 UNION=(); SHOW CREATE TABLE m1; DROP TABLE t1, m1; +# +# BUG#35274 - merge table doesn't need any base tables, gives error 124 when +# key accessed +# +CREATE TABLE t1(a INT, KEY(a)) ENGINE=merge; +SELECT MAX(a) FROM t1; +DROP TABLE t1; + # # BUG#32047 - 'Spurious' errors while opening MERGE tables # diff --git a/storage/myisammrg/myrg_queue.c b/storage/myisammrg/myrg_queue.c index d2579053784..2c447083558 100644 --- a/storage/myisammrg/myrg_queue.c +++ b/storage/myisammrg/myrg_queue.c @@ -65,7 +65,17 @@ int _myrg_init_queue(MYRG_INFO *info,int inx,enum ha_rkey_function search_flag) } } else - my_errno= error= HA_ERR_WRONG_INDEX; + { + /* + inx may be bigger than info->keys if there are no underlying tables + defined. In this case we should return empty result. As we check for + underlying tables conformance when we open a table, we may not enter + this branch with underlying table that has less keys than merge table + have. + */ + DBUG_ASSERT(!info->tables); + error= my_errno= HA_ERR_END_OF_FILE; + } return error; } From 04dfc8c8d27d5a283d38a03e88b159deea74e9f5 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Mon, 31 May 2010 18:23:41 +0300 Subject: [PATCH 372/400] Fix Bug #53947 InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324 Destroy the rw-lock object before freeing the memory it is occupying. If we do not do this, then the mutex that is contained in the rw-lock object btr_search_latch_temp->mutex gets "freed" and subsequently mutex_free() from sync_close() hits a mutex whose memory has been freed and crashes. Approved by: Heikki (via IRC) Discussed with: Calvin --- storage/innobase/btr/btr0sea.c | 1 + 1 file changed, 1 insertion(+) diff --git a/storage/innobase/btr/btr0sea.c b/storage/innobase/btr/btr0sea.c index 3f130405810..98a321bdb80 100644 --- a/storage/innobase/btr/btr0sea.c +++ b/storage/innobase/btr/btr0sea.c @@ -194,6 +194,7 @@ void btr_search_sys_free(void) /*=====================*/ { + rw_lock_free(&btr_search_latch); mem_free(btr_search_latch_temp); btr_search_latch_temp = NULL; mem_heap_free(btr_search_sys->hash_index->heap); From eb51ac8b189216955abc3715598a7744330f5f4f Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Tue, 1 Jun 2010 07:54:15 +0400 Subject: [PATCH 373/400] Patch for Bug#54123 (Build failure on HPUX). --- sql/item_sum.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sql/item_sum.h b/sql/item_sum.h index 5f2c4f166e6..c76f3102003 100644 --- a/sql/item_sum.h +++ b/sql/item_sum.h @@ -303,6 +303,8 @@ class st_select_lex; class Item_sum :public Item_result_field { + friend class Aggregator_distinct; + protected: /** Aggregator class instance. Not set initially. Allocated only after From 5725d2303e580bae0a31d361fe3da46146edc170 Mon Sep 17 00:00:00 2001 From: He Zhenxing Date: Tue, 1 Jun 2010 16:54:52 +0800 Subject: [PATCH 374/400] BUG#52748 Semi-Sync ACK packet isn't check for length Check the length and use strncpy to make the code safer. --- plugin/semisync/semisync_master.cc | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/plugin/semisync/semisync_master.cc b/plugin/semisync/semisync_master.cc index 5b06180662e..20d1c6d609c 100644 --- a/plugin/semisync/semisync_master.cc +++ b/plugin/semisync/semisync_master.cc @@ -147,7 +147,8 @@ int ActiveTranx::insert_tranx_node(const char *log_file_name, } /* insert the binlog position in the active transaction list. */ - strcpy(ins_node->log_name_, log_file_name); + strncpy(ins_node->log_name_, log_file_name, FN_REFLEN-1); + ins_node->log_name_[FN_REFLEN-1] = 0; /* make sure it ends properly */ ins_node->log_pos_ = log_file_pos; if (!trx_front_) @@ -1007,13 +1008,15 @@ int ReplSemiSyncMaster::writeTranxInBinlog(const char* log_file_name, if (cmp > 0) { /* This is a larger position, let's update the maximum info. */ - strcpy(commit_file_name_, log_file_name); + strncpy(commit_file_name_, log_file_name, FN_REFLEN-1); + commit_file_name_[FN_REFLEN-1] = 0; /* make sure it ends properly */ commit_file_pos_ = log_file_pos; } } else { - strcpy(commit_file_name_, log_file_name); + strncpy(commit_file_name_, log_file_name, FN_REFLEN-1); + commit_file_name_[FN_REFLEN-1] = 0; /* make sure it ends properly */ commit_file_pos_ = log_file_pos; commit_file_name_inited_ = true; } @@ -1046,6 +1049,7 @@ int ReplSemiSyncMaster::readSlaveReply(NET *net, uint32 server_id, const unsigned char *packet; char log_file_name[FN_REFLEN]; my_off_t log_file_pos; + ulong log_file_len = 0; ulong packet_len; int result = -1; @@ -1121,7 +1125,13 @@ int ReplSemiSyncMaster::readSlaveReply(NET *net, uint32 server_id, } log_file_pos = uint8korr(packet + REPLY_BINLOG_POS_OFFSET); - strcpy(log_file_name, (const char*)packet + REPLY_BINLOG_NAME_OFFSET); + log_file_len = packet_len - REPLY_BINLOG_NAME_OFFSET; + if (log_file_len > FN_REFLEN) + { + sql_print_error("Read semi-sync reply binlog file length too large"); + goto l_end; + } + strncpy(log_file_name, (const char*)packet + REPLY_BINLOG_NAME_OFFSET, log_file_len); if (trc_level & kTraceDetail) sql_print_information("%s: Got reply (%s, %lu)", From 4eb6de1ce070c7591c649160c09bc15ebb2ee3df Mon Sep 17 00:00:00 2001 From: Jonathan Perkin Date: Tue, 1 Jun 2010 10:24:38 +0100 Subject: [PATCH 375/400] Add SELinux checks from distribution-specific spec file, missed in previous. Convert some shell bits to standard 2-space indent, 80 columns, etc. --- support-files/mysql.spec.sh | 124 +++++++++++++++++++++++++----------- 1 file changed, 87 insertions(+), 37 deletions(-) diff --git a/support-files/mysql.spec.sh b/support-files/mysql.spec.sh index 15fb2718c28..4ea34f13ce9 100644 --- a/support-files/mysql.spec.sh +++ b/support-files/mysql.spec.sh @@ -415,8 +415,9 @@ mkdir debug -e 's/ -ip / /' \ -e 's/^ //' \ -e 's/ $//'` - # XXX: MYSQL_UNIX_ADDR should be in cmake/* but mysql_version is included before - # XXX: install_layout so we can't just set it based on INSTALL_LAYOUT=RPM + # XXX: MYSQL_UNIX_ADDR should be in cmake/* but mysql_version is included + # XXX: before install_layout so we can't just set it based on + # XXX: INSTALL_LAYOUT=RPM ${CMAKE} ../%{src_dir} -DBUILD_CONFIG=mysql_release -DINSTALL_LAYOUT=RPM \ -DCMAKE_BUILD_TYPE=Debug \ -DMYSQL_UNIX_ADDR="/var/lib/mysql/mysql.sock" \ @@ -429,8 +430,9 @@ mkdir debug mkdir release ( cd release - # XXX: MYSQL_UNIX_ADDR should be in cmake/* but mysql_version is included before - # XXX: install_layout so we can't just set it based on INSTALL_LAYOUT=RPM + # XXX: MYSQL_UNIX_ADDR should be in cmake/* but mysql_version is included + # XXX: before install_layout so we can't just set it based on + # XXX: INSTALL_LAYOUT=RPM ${CMAKE} ../%{src_dir} -DBUILD_CONFIG=mysql_release -DINSTALL_LAYOUT=RPM \ -DCMAKE_BUILD_TYPE=RelWithDebInfo \ -DMYSQL_UNIX_ADDR="/var/lib/mysql/mysql.sock" \ @@ -487,8 +489,10 @@ install -d $RBR%{_sbindir} mv -v $RBR/%{_libdir}/*.a $RBR/%{_libdir}/mysql/ # Install logrotate and autostart -install -m 644 $MBD/release/support-files/mysql-log-rotate $RBR%{_sysconfdir}/logrotate.d/mysql -install -m 755 $MBD/release/support-files/mysql.server $RBR%{_sysconfdir}/init.d/mysql +install -m 644 $MBD/release/support-files/mysql-log-rotate \ + $RBR%{_sysconfdir}/logrotate.d/mysql +install -m 755 $MBD/release/support-files/mysql.server \ + $RBR%{_sysconfdir}/init.d/mysql # Create a symlink "rcmysql", pointing to the init.script. SuSE users # will appreciate that, as all services usually offer this. @@ -506,7 +510,8 @@ install -m 600 $MBD/%{src_dir}/support-files/RHEL4-SElinux/mysql.{fc,te} \ # Even though this is a shared library, put it under /usr/lib*/mysql, so it # doesn't conflict with possible shared lib by the same name in /usr/lib*. See # `mysql_config --variable=pkglibdir` and mysqld_safe for how this is used. -install -m 644 "%{malloc_lib_source}" "$RBR%{_libdir}/mysql/%{malloc_lib_target}" +install -m 644 "%{malloc_lib_source}" \ + "$RBR%{_libdir}/mysql/%{malloc_lib_target}" %endif # Remove man pages we explicitly do not want to package, avoids 'unpackaged @@ -530,15 +535,19 @@ if [ $? -eq 0 -a -n "$installed" ]; then myvendor='%{mysql_vendor}' myversion='%{mysql_version}' - old_family=`echo $version | sed -n -e 's,^\([1-9][0-9]*\.[0-9][0-9]*\)\..*$,\1,p'` - new_family=`echo $myversion | sed -n -e 's,^\([1-9][0-9]*\.[0-9][0-9]*\)\..*$,\1,p'` + old_family=`echo $version \ + | sed -n -e 's,^\([1-9][0-9]*\.[0-9][0-9]*\)\..*$,\1,p'` + new_family=`echo $myversion \ + | sed -n -e 's,^\([1-9][0-9]*\.[0-9][0-9]*\)\..*$,\1,p'` [ -z "$vendor" ] && vendor='' [ -z "$old_family" ] && old_family="" [ -z "$new_family" ] && new_family="" error_text= - if [ "$vendor" != "$myoldvendor" -a "$vendor" != "$myvendor_2" -a "$vendor" != "$myvendor" ]; then + if [ "$vendor" != "$myoldvendor" \ + -a "$vendor" != "$myvendor_2" \ + -a "$vendor" != "$myvendor" ]; then error_text="$error_text The current MySQL server package is provided by a different vendor ($vendor) than $myoldvendor, $myvendor_2, or $myvendor. @@ -588,9 +597,9 @@ fi # Shut down a previously installed server first if [ -x %{_sysconfdir}/init.d/mysql ] ; then - %{_sysconfdir}/init.d/mysql stop > /dev/null 2>&1 - echo "Giving mysqld 5 seconds to exit nicely" - sleep 5 + %{_sysconfdir}/init.d/mysql stop > /dev/null 2>&1 + echo "Giving mysqld 5 seconds to exit nicely" + sleep 5 fi %post -n MySQL-server%{product_suffix} @@ -608,10 +617,10 @@ if [ ! -d $mysql_datadir/test ] ; then mkdir $mysql_datadir/test; fi # ---------------------------------------------------------------------- # use insserv for older SuSE Linux versions if [ -x /sbin/insserv ] ; then - /sbin/insserv %{_sysconfdir}/init.d/mysql + /sbin/insserv %{_sysconfdir}/init.d/mysql # use chkconfig on Enterprise Linux and newer SuSE releases elif [ -x /sbin/chkconfig ] ; then - /sbin/chkconfig --add mysql + /sbin/chkconfig --add mysql fi # ---------------------------------------------------------------------- @@ -619,8 +628,10 @@ fi # exists. # ---------------------------------------------------------------------- groupadd -r %{mysqld_group} 2> /dev/null || true -useradd -M -r -d $mysql_datadir -s /bin/bash -c "MySQL server" -g %{mysqld_group} %{mysqld_user} 2> /dev/null || true -# The user may already exist, make sure it has the proper group nevertheless (BUG#12823) +useradd -M -r -d $mysql_datadir -s /bin/bash -c "MySQL server" \ + -g %{mysqld_group} %{mysqld_user} 2> /dev/null || true +# The user may already exist, make sure it has the proper group nevertheless +# (BUG#12823) usermod -g %{mysqld_group} %{mysqld_user} 2> /dev/null || true # ---------------------------------------------------------------------- @@ -649,32 +660,66 @@ chown -R %{mysqld_user}:%{mysqld_group} $mysql_datadir # ---------------------------------------------------------------------- chmod -R og-rw $mysql_datadir/mysql +# ---------------------------------------------------------------------- +# install SELinux files - but don't override existing ones +# ---------------------------------------------------------------------- +SETARGETDIR=/etc/selinux/targeted/src/policy +SEDOMPROG=$SETARGETDIR/domains/program +SECONPROG=$SETARGETDIR/file_contexts/program +if [ -f /etc/redhat-release ] \ + && (grep -q "Red Hat Enterprise Linux .. release 4" /etc/redhat-release \ + || grep -q "CentOS release 4" /etc/redhat-release) ; then + echo + echo + echo 'Notes regarding SELinux on this platform:' + echo '=========================================' + echo + echo 'The default policy might cause server startup to fail because it is' + echo 'not allowed to access critical files. In this case, please update' + echo 'your installation.' + echo + echo 'The default policy might also cause inavailability of SSL related' + echo 'features because the server is not allowed to access /dev/random' + echo 'and /dev/urandom. If this is a problem, please do the following:' + echo + echo ' 1) install selinux-policy-targeted-sources from your OS vendor' + echo ' 2) add the following two lines to '$SEDOMPROG/mysqld.te':' + echo ' allow mysqld_t random_device_t:chr_file read;' + echo ' allow mysqld_t urandom_device_t:chr_file read;' + echo ' 3) cd to '$SETARGETDIR' and issue the following command:' + echo ' make load' + echo + echo +fi + +if [ -x sbin/restorecon ] ; then + sbin/restorecon -R var/lib/mysql +fi + # Restart in the same way that mysqld will be started normally. -%{_sysconfdir}/init.d/mysql start +if [ -x %{_sysconfdir}/init.d/mysql ] ; then + %{_sysconfdir}/init.d/mysql start + echo "Giving mysqld 2 seconds to start" + sleep 2 +fi # Allow mysqld_safe to start mysqld and print a message before we exit sleep 2 -#echo "Thank you for installing the MySQL Community Server! For Production -#systems, we recommend MySQL Enterprise, which contains enterprise-ready -#software, intelligent advisory services, and full production support with -#scheduled service packs and more. Visit www.mysql.com/enterprise for more -#information." - %preun -n MySQL-server%{product_suffix} if [ $1 = 0 ] ; then - # Stop MySQL before uninstalling it - if [ -x %{_sysconfdir}/init.d/mysql ] ; then - %{_sysconfdir}/init.d/mysql stop > /dev/null - # Remove autostart of MySQL - # For older SuSE Linux versions - if [ -x /sbin/insserv ] ; then - /sbin/insserv -r %{_sysconfdir}/init.d/mysql - # use chkconfig on Enterprise Linux and newer SuSE releases - elif [ -x /sbin/chkconfig ] ; then - /sbin/chkconfig --del mysql - fi - fi + # Stop MySQL before uninstalling it + if [ -x %{_sysconfdir}/init.d/mysql ] ; then + %{_sysconfdir}/init.d/mysql stop > /dev/null + # Remove autostart of MySQL + # For older SuSE Linux versions + if [ -x /sbin/insserv ] ; then + /sbin/insserv -r %{_sysconfdir}/init.d/mysql + # use chkconfig on Enterprise Linux and newer SuSE releases + elif [ -x /sbin/chkconfig ] ; then + /sbin/chkconfig --del mysql + fi + fi fi # We do not remove the mysql user since it may still own a lot of @@ -684,7 +729,8 @@ fi # Clean up the BuildRoot after build is done # ---------------------------------------------------------------------- %clean -[ "$RPM_BUILD_ROOT" != "/" ] && [ -d $RPM_BUILD_ROOT ] && rm -rf $RPM_BUILD_ROOT; +[ "$RPM_BUILD_ROOT" != "/" ] && [ -d $RPM_BUILD_ROOT ] \ + && rm -rf $RPM_BUILD_ROOT; ############################################################################## # Files section @@ -865,6 +911,10 @@ fi # merging BK trees) ############################################################################## %changelog +* Tue Jun 1 2010 Jonathan Perkin + +- Implement SELinux checks from distribution-specific spec file. + * Wed May 12 2010 Jonathan Perkin - Large number of changes to build using CMake From 2b47efb6e4d0f484b3410e6cbd81e3559b196dc2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 1 Jun 2010 14:40:15 +0300 Subject: [PATCH 376/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3478.1.4 revision-id: marko.makela@oracle.com-20100525125352-hgafpmqhrrj7pv5i parent: marko.makela@oracle.com-20100525123748-pmpehbg29oyhc1ns committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-05-25 15:53:52 +0300 message: row_search_for_mysql(): Add assertions to track down Bug #53627. --- storage/innobase/row/row0sel.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c index 0735215a9a9..4d19ed93a49 100644 --- a/storage/innobase/row/row0sel.c +++ b/storage/innobase/row/row0sel.c @@ -3611,6 +3611,13 @@ shortcut_fails_too_big_rec: trx->has_search_latch = FALSE; } + ut_ad(prebuilt->sql_stat_start || trx->conc_state == TRX_ACTIVE); + ut_ad(trx->conc_state == TRX_NOT_STARTED + || trx->conc_state == TRX_ACTIVE); + ut_ad(prebuilt->sql_stat_start + || prebuilt->select_lock_type != LOCK_NONE + || trx->read_view); + trx_start_if_not_started(trx); if (trx->isolation_level <= TRX_ISO_READ_COMMITTED From ea53f9af45ee1b60912008a48be62caca6138a47 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 1 Jun 2010 14:56:22 +0300 Subject: [PATCH 377/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3478.1.3 revision-id: marko.makela@oracle.com-20100525123748-pmpehbg29oyhc1ns parent: marko.makela@oracle.com-20100524114349-5kaw52sz0yh4szkb committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-05-25 15:37:48 +0300 message: Suppress bogus Valgrind warnings about buf_buddy_relocate() accessing uninitialized memory in Valgrind-instrumented builds. --- mysql-test/valgrind.supp | 5 +++++ storage/innobase/buf/buf0buddy.c | 15 +++++++++------ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/mysql-test/valgrind.supp b/mysql-test/valgrind.supp index 1643ed4c08f..83896378883 100644 --- a/mysql-test/valgrind.supp +++ b/mysql-test/valgrind.supp @@ -740,3 +740,8 @@ fun:pthread_create* } +{ + buf_buddy_relocate peeking (space,page) in potentially free blocks + Memcheck:Addr1 + fun:buf_buddy_relocate +} diff --git a/storage/innobase/buf/buf0buddy.c b/storage/innobase/buf/buf0buddy.c index 8fe1780985b..5dc0780cbdd 100644 --- a/storage/innobase/buf/buf0buddy.c +++ b/storage/innobase/buf/buf0buddy.c @@ -446,12 +446,15 @@ buf_buddy_relocate( pool), so there is nothing wrong about this. The mach_read_from_4() calls here will only trigger bogus Valgrind memcheck warnings in UNIV_DEBUG_VALGRIND builds. */ - bpage = buf_page_hash_get( - buf_pool, - mach_read_from_4((const byte*) src - + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID), - mach_read_from_4((const byte*) src - + FIL_PAGE_OFFSET)); + ulint space = mach_read_from_4( + (const byte*) src + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID); + ulint page_no = mach_read_from_4( + (const byte*) src + FIL_PAGE_OFFSET); + /* Suppress Valgrind warnings about conditional jump + on uninitialized value. */ + UNIV_MEM_VALID(&space, sizeof space); + UNIV_MEM_VALID(&page_no, sizeof page_no); + bpage = buf_page_hash_get(buf_pool, space, page_no); if (!bpage || bpage->zip.data != src) { /* The block has probably been freshly From 514144276fffc0b7485d77a5508a53d0aee6cec1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 1 Jun 2010 15:05:01 +0300 Subject: [PATCH 378/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3488 revision-id: marko.makela@oracle.com-20100601103738-upm8awahesmeh9dr parent: vasil.dimov@oracle.com-20100531163540-9fu3prbn2asqwdi5 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-06-01 13:37:38 +0300 message: Bug#53812: assert row/row0umod.c line 660 in txn rollback after crash recovery row_undo_mod_upd_exist_sec(): Tolerate a failure to build the index entry for a DYNAMIC or COMPRESSED table during crash recovery. --- storage/innobase/row/row0umod.c | 64 ++++++++++++++++++++++++--------- 1 file changed, 47 insertions(+), 17 deletions(-) diff --git a/storage/innobase/row/row0umod.c b/storage/innobase/row/row0umod.c index 80f57870316..75de18a0b7d 100644 --- a/storage/innobase/row/row0umod.c +++ b/storage/innobase/row/row0umod.c @@ -682,24 +682,55 @@ row_undo_mod_upd_exist_sec( /* Build the newest version of the index entry */ entry = row_build_index_entry(node->row, node->ext, index, heap); - ut_a(entry); - /* NOTE that if we updated the fields of a - delete-marked secondary index record so that - alphabetically they stayed the same, e.g., - 'abc' -> 'aBc', we cannot return to the original - values because we do not know them. But this should - not cause problems because in row0sel.c, in queries - we always retrieve the clustered index record or an - earlier version of it, if the secondary index record - through which we do the search is delete-marked. */ + if (UNIV_UNLIKELY(!entry)) { + /* The server must have crashed in + row_upd_clust_rec_by_insert(), in + row_ins_index_entry_low() before + btr_store_big_rec_extern_fields() + has written the externally stored columns + (BLOBs) of the new clustered index entry. */ - err = row_undo_mod_del_mark_or_remove_sec(node, thr, - index, - entry); - if (err != DB_SUCCESS) { - mem_heap_free(heap); + /* The table must be in DYNAMIC or COMPRESSED + format. REDUNDANT and COMPACT formats + store a local 768-byte prefix of each + externally stored column. */ + ut_a(dict_table_get_format(index->table) + >= DICT_TF_FORMAT_ZIP); - return(err); + /* This is only legitimate when + rolling back an incomplete transaction + after crash recovery. */ + ut_a(thr_get_trx(thr)->is_recovered); + + /* The server must have crashed before + completing the insert of the new + clustered index entry and before + inserting to the secondary indexes. + Because node->row was not yet written + to this index, we can ignore it. But + we must restore node->undo_row. */ + } else { + /* NOTE that if we updated the fields of a + delete-marked secondary index record so that + alphabetically they stayed the same, e.g., + 'abc' -> 'aBc', we cannot return to the + original values because we do not know them. + But this should not cause problems because + in row0sel.c, in queries we always retrieve + the clustered index record or an earlier + version of it, if the secondary index record + through which we do the search is + delete-marked. */ + + err = row_undo_mod_del_mark_or_remove_sec( + node, thr, index, entry); + if (err != DB_SUCCESS) { + mem_heap_free(heap); + + return(err); + } + + mem_heap_empty(heap); } /* We may have to update the delete mark in the @@ -708,7 +739,6 @@ row_undo_mod_upd_exist_sec( the secondary index record if we updated its fields but alphabetically they stayed the same, e.g., 'abc' -> 'aBc'. */ - mem_heap_empty(heap); entry = row_build_index_entry(node->undo_row, node->undo_ext, index, heap); From ce461570ef3c501681bfb68d020a4252f6b51e77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 1 Jun 2010 15:09:33 +0300 Subject: [PATCH 379/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3490 revision-id: marko.makela@oracle.com-20100601120751-1uq7bbta5n7ts0qr parent: marko.makela@oracle.com-20100601120521-q48hk05ne4j1s2o0 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-06-01 15:07:51 +0300 message: Minor cleanup. lock_rec_unlock(): Cache first_lock and rewrite while() loops as for(). btr_cur_optimistic_update(): Use common error handling return. row_create_prebuilt(): Add Valgrind instrumentation. --- storage/innobase/btr/btr0cur.c | 10 ++++---- storage/innobase/lock/lock0lock.c | 40 +++++++++++++------------------ storage/innobase/row/row0mysql.c | 2 ++ 3 files changed, 23 insertions(+), 29 deletions(-) diff --git a/storage/innobase/btr/btr0cur.c b/storage/innobase/btr/btr0cur.c index 7de0d11421a..31e1a2d4b12 100644 --- a/storage/innobase/btr/btr0cur.c +++ b/storage/innobase/btr/btr0cur.c @@ -2079,9 +2079,8 @@ any_extern: err = btr_cur_upd_lock_and_undo(flags, cursor, update, cmpl_info, thr, mtr, &roll_ptr); if (err != DB_SUCCESS) { -err_exit: - mem_heap_free(heap); - return(err); + + goto err_exit; } /* Ok, we may do the replacement. Store on the page infimum the @@ -2127,9 +2126,10 @@ err_exit: page_cur_move_to_next(page_cursor); + err = DB_SUCCESS; +err_exit: mem_heap_free(heap); - - return(DB_SUCCESS); + return(err); } /*************************************************************//** diff --git a/storage/innobase/lock/lock0lock.c b/storage/innobase/lock/lock0lock.c index 8f29948dec7..bde08ff59cd 100644 --- a/storage/innobase/lock/lock0lock.c +++ b/storage/innobase/lock/lock0lock.c @@ -3935,8 +3935,8 @@ lock_rec_unlock( const rec_t* rec, /*!< in: record */ enum lock_mode lock_mode)/*!< in: LOCK_S or LOCK_X */ { + lock_t* first_lock; lock_t* lock; - lock_t* release_lock = NULL; ulint heap_no; ut_ad(trx && rec); @@ -3946,48 +3946,40 @@ lock_rec_unlock( mutex_enter(&kernel_mutex); - lock = lock_rec_get_first(block, heap_no); + first_lock = lock_rec_get_first(block, heap_no); /* Find the last lock with the same lock_mode and transaction from the record. */ - while (lock != NULL) { + for (lock = first_lock; lock != NULL; + lock = lock_rec_get_next(heap_no, lock)) { if (lock->trx == trx && lock_get_mode(lock) == lock_mode) { - release_lock = lock; ut_a(!lock_get_wait(lock)); + lock_rec_reset_nth_bit(lock, heap_no); + goto released; } - - lock = lock_rec_get_next(heap_no, lock); } - /* If a record lock is found, release the record lock */ + mutex_exit(&kernel_mutex); + ut_print_timestamp(stderr); + fprintf(stderr, + " InnoDB: Error: unlock row could not" + " find a %lu mode lock on the record\n", + (ulong) lock_mode); - if (UNIV_LIKELY(release_lock != NULL)) { - lock_rec_reset_nth_bit(release_lock, heap_no); - } else { - mutex_exit(&kernel_mutex); - ut_print_timestamp(stderr); - fprintf(stderr, - " InnoDB: Error: unlock row could not" - " find a %lu mode lock on the record\n", - (ulong) lock_mode); - - return; - } + return; +released: /* Check if we can now grant waiting lock requests */ - lock = lock_rec_get_first(block, heap_no); - - while (lock != NULL) { + for (lock = first_lock; lock != NULL; + lock = lock_rec_get_next(heap_no, lock)) { if (lock_get_wait(lock) && !lock_rec_has_to_wait_in_queue(lock)) { /* Grant the lock */ lock_grant(lock); } - - lock = lock_rec_get_next(heap_no, lock); } mutex_exit(&kernel_mutex); diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index cc2bd415163..c9b9a982bef 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -625,6 +625,8 @@ row_create_prebuilt( prebuilt->select_lock_type = LOCK_NONE; prebuilt->stored_select_lock_type = 99999999; + UNIV_MEM_INVALID(&prebuilt->stored_select_lock_type, + sizeof prebuilt->stored_select_lock_type); prebuilt->search_tuple = dtuple_create( heap, 2 * dict_table_get_n_cols(table)); From 1eae95b46f4037bc55ebc656285c4b6381e86ec7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Tue, 1 Jun 2010 17:03:55 +0300 Subject: [PATCH 380/400] Merge a change from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3491 revision-id: marko.makela@oracle.com-20100601134335-ccthwwru23kn09qw parent: marko.makela@oracle.com-20100601120751-1uq7bbta5n7ts0qr committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Tue 2010-06-01 16:43:35 +0300 message: Bug#48197: Concurrent rw_lock_free may cause assertion failure rw_lock_t: Remove magic_n unless UNIV_DEBUG is defined. rw_lock_free(): Invalidate magic_n only after removing from rw_lock_list. --- storage/innobase/include/sync0rw.h | 5 +++-- storage/innobase/sync/sync0rw.c | 24 ++++++++++-------------- 2 files changed, 13 insertions(+), 16 deletions(-) diff --git a/storage/innobase/include/sync0rw.h b/storage/innobase/include/sync0rw.h index 6233ceef748..70471186f6d 100644 --- a/storage/innobase/include/sync0rw.h +++ b/storage/innobase/include/sync0rw.h @@ -622,11 +622,12 @@ struct rw_lock_struct { unsigned cline:14; /*!< Line where created */ unsigned last_s_line:14; /*!< Line number where last time s-locked */ unsigned last_x_line:14; /*!< Line number where last time x-locked */ +#ifdef UNIV_DEBUG ulint magic_n; /*!< RW_LOCK_MAGIC_N */ -}; - /** Value of rw_lock_struct::magic_n */ #define RW_LOCK_MAGIC_N 22643 +#endif /* UNIV_DEBUG */ +}; #ifdef UNIV_SYNC_DEBUG /** The structure for storing debug info of an rw-lock */ diff --git a/storage/innobase/sync/sync0rw.c b/storage/innobase/sync/sync0rw.c index 0ff2920f4f8..4dbaaa97bd9 100644 --- a/storage/innobase/sync/sync0rw.c +++ b/storage/innobase/sync/sync0rw.c @@ -278,7 +278,7 @@ rw_lock_create_func( lock->level = level; #endif /* UNIV_SYNC_DEBUG */ - lock->magic_n = RW_LOCK_MAGIC_N; + ut_d(lock->magic_n = RW_LOCK_MAGIC_N); lock->cfile_name = cfile_name; lock->cline = (unsigned int) cline; @@ -293,10 +293,8 @@ rw_lock_create_func( mutex_enter(&rw_lock_list_mutex); - if (UT_LIST_GET_LEN(rw_lock_list) > 0) { - ut_a(UT_LIST_GET_FIRST(rw_lock_list)->magic_n - == RW_LOCK_MAGIC_N); - } + ut_ad(UT_LIST_GET_FIRST(rw_lock_list) == NULL + || UT_LIST_GET_FIRST(rw_lock_list)->magic_n == RW_LOCK_MAGIC_N); UT_LIST_ADD_FIRST(list, rw_lock_list, lock); @@ -316,8 +314,6 @@ rw_lock_free_func( ut_ad(rw_lock_validate(lock)); ut_a(lock->lock_word == X_LOCK_DECR); - lock->magic_n = 0; - #ifndef INNODB_RW_LOCKS_USE_ATOMICS mutex_free(rw_lock_get_mutex(lock)); #endif /* INNODB_RW_LOCKS_USE_ATOMICS */ @@ -327,16 +323,16 @@ rw_lock_free_func( os_event_free(lock->wait_ex_event); - if (UT_LIST_GET_PREV(list, lock)) { - ut_a(UT_LIST_GET_PREV(list, lock)->magic_n == RW_LOCK_MAGIC_N); - } - if (UT_LIST_GET_NEXT(list, lock)) { - ut_a(UT_LIST_GET_NEXT(list, lock)->magic_n == RW_LOCK_MAGIC_N); - } + ut_ad(UT_LIST_GET_PREV(list, lock) == NULL + || UT_LIST_GET_PREV(list, lock)->magic_n == RW_LOCK_MAGIC_N); + ut_ad(UT_LIST_GET_NEXT(list, lock) == NULL + || UT_LIST_GET_NEXT(list, lock)->magic_n == RW_LOCK_MAGIC_N); UT_LIST_REMOVE(list, rw_lock_list, lock); mutex_exit(&rw_lock_list_mutex); + + ut_d(lock->magic_n = 0); } #ifdef UNIV_DEBUG @@ -358,7 +354,7 @@ rw_lock_validate( waiters = rw_lock_get_waiters(lock); lock_word = lock->lock_word; - ut_a(lock->magic_n == RW_LOCK_MAGIC_N); + ut_ad(lock->magic_n == RW_LOCK_MAGIC_N); ut_a(waiters == 0 || waiters == 1); ut_a(lock_word > -X_LOCK_DECR ||(-lock_word) % X_LOCK_DECR == 0); From 76fafacebc5367765ca371ea22aad4b30a3f70dd Mon Sep 17 00:00:00 2001 From: Alfranio Correia Date: Tue, 1 Jun 2010 15:39:07 +0100 Subject: [PATCH 381/400] BUG#53421 Part of transaction not written in binlog after deadlock, replication breaks When a "CREATE TEMPORARY TABLE SELECT * FROM" was executed the OPTION_KEEP_LOG was not set into the thd->variables.option_bits. For that reason, if the transaction had updated only transactional engines and was rolled back at the end (.e.g due to a deadlock) the changes were not written to the binary log, including the creation of the temporary table. To fix the problem, we have set the OPTION_KEEP_LOG into the thd->variables.option_bits when a "CREATE TEMPORARY TABLE SELECT * FROM" is executed. --- .../suite/rpl/r/rpl_temp_temporary.result | 27 ++++++++++++--- .../suite/rpl/t/rpl_temp_temporary.test | 33 ++++++++++++++++--- sql/sql_parse.cc | 4 +++ 3 files changed, 56 insertions(+), 8 deletions(-) diff --git a/mysql-test/suite/rpl/r/rpl_temp_temporary.result b/mysql-test/suite/rpl/r/rpl_temp_temporary.result index 19b36da2800..548c95385f3 100644 --- a/mysql-test/suite/rpl/r/rpl_temp_temporary.result +++ b/mysql-test/suite/rpl/r/rpl_temp_temporary.result @@ -193,8 +193,6 @@ Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction. INSERT INTO t_innodb VALUES(1); COMMIT; -DROP TABLE t_myisam; -DROP TABLE t_innodb; show binlog events from ; Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE tmp1(id int) engine= MyIsam @@ -214,8 +212,29 @@ master-bin.000001 # Query # # use `test`; INSERT INTO tmp1 VALUES(1) master-bin.000001 # Query # # use `test`; INSERT INTO t_innodb VALUES(1) master-bin.000001 # Query # # use `test`; INSERT INTO t_innodb VALUES(1) master-bin.000001 # Xid # # COMMIT /* XID */ -master-bin.000001 # Query # # use `test`; DROP TABLE t_myisam -master-bin.000001 # Query # # use `test`; DROP TABLE t_innodb +######################################################################## +# VERIFY ITEM 8 +######################################################################## +SET BINLOG_FORMAT=MIXED; +BEGIN; +CREATE TEMPORARY TABLE tmp2 SELECT * FROM t_innodb; +INSERT INTO t_innodb VALUES(1); +INSERT INTO t_innodb VALUES(1); +ROLLBACK; +Warnings: +Warning 1196 Some non-transactional changed tables couldn't be rolled back +show binlog events from ; +Log_name Pos Event_type Server_id End_log_pos Info +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE tmp2 SELECT * FROM t_innodb +master-bin.000001 # Query # # use `test`; INSERT INTO t_innodb VALUES(1) +master-bin.000001 # Query # # use `test`; INSERT INTO t_innodb VALUES(1) +master-bin.000001 # Query # # ROLLBACK ################################################################################### # CHECK CONSISTENCY ################################################################################### +################################################################################### +# CLEAN UP +################################################################################### +DROP TABLE t_myisam; +DROP TABLE t_innodb; diff --git a/mysql-test/suite/rpl/t/rpl_temp_temporary.test b/mysql-test/suite/rpl/t/rpl_temp_temporary.test index a7234c53655..4eb2d16b91e 100644 --- a/mysql-test/suite/rpl/t/rpl_temp_temporary.test +++ b/mysql-test/suite/rpl/t/rpl_temp_temporary.test @@ -34,10 +34,13 @@ # the CREATE TEMPORARY is not logged and the DROP TEMPORARY is extended with # the IF EXISTS clause. # -# 7 - It also verifies if the CONNECTION_ID along with a non-transactional +# 7 - It verifies if the CONNECTION_ID along with a non-transactional # table is written outside the transaction boundaries and is not classified # as unsafe. See BUG#53075. # +# 8 - It verifies if OPTION_KEEP_LOG is set and thus forcing to write the +# trx-cache to the binary log when an rollback is issued and only trx-tables +# were updated. See BUG#53421. ################################################################################ source include/master-slave.inc; @@ -186,18 +189,40 @@ INSERT INTO t_innodb VALUES(1); INSERT INTO t_myisam VALUES(CONNECTION_ID()); INSERT INTO t_innodb VALUES(1); COMMIT; -DROP TABLE t_myisam; -DROP TABLE t_innodb; +source include/show_binlog_events.inc; + +--echo ######################################################################## +--echo # VERIFY ITEM 8 +--echo ######################################################################## +# +# Before the patch for BUG#53421, nothing were written to the binary log on +# behalf of the transaction presented below: +# +SET BINLOG_FORMAT=MIXED; +let $binlog_start= query_get_value("SHOW MASTER STATUS", Position, 1); +BEGIN; +CREATE TEMPORARY TABLE tmp2 SELECT * FROM t_innodb; +INSERT INTO t_innodb VALUES(1); +INSERT INTO t_innodb VALUES(1); +ROLLBACK; source include/show_binlog_events.inc; --echo ################################################################################### --echo # CHECK CONSISTENCY --echo ################################################################################### -connection master; sync_slave_with_master; +connection master; --exec $MYSQL_DUMP --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/test-nmt-master.sql --exec $MYSQL_DUMP_SLAVE --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/test-nmt-slave.sql --diff_files $MYSQLTEST_VARDIR/tmp/test-nmt-master.sql $MYSQLTEST_VARDIR/tmp/test-nmt-slave.sql +--echo ################################################################################### +--echo # CLEAN UP +--echo ################################################################################### +connection master; +DROP TABLE t_myisam; +DROP TABLE t_innodb; + +sync_slave_with_master; diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index ed4390a23cb..90d0a52d40d 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -2670,6 +2670,10 @@ case SQLCOM_PREPARE: */ lex->unlink_first_table(&link_to_local); + /* So that CREATE TEMPORARY TABLE gets to binlog at commit/rollback */ + if (create_info.options & HA_LEX_CREATE_TMP_TABLE) + thd->variables.option_bits|= OPTION_KEEP_LOG; + /* select_create is currently not re-execution friendly and needs to be created for every execution of a PS/SP. From c80bf763ffdea3e9ce50a9f338f84a65f39e1358 Mon Sep 17 00:00:00 2001 From: Alexey Kopytov Date: Tue, 1 Jun 2010 21:37:45 +0400 Subject: [PATCH 382/400] Bug #45882: dtoa.c might not work with gcc 4.4.0 - Ported relevant changes from the upstream version to not break strict-aliasing rules and to fix compiler warnings and and infinite loops caused by that issue. - Fixed compilation with Honor_FLT_ROUNDS defined. - Fixed an unused variable warning. --- strings/dtoa.c | 373 +++++++++++++++++++++++++------------------------ 1 file changed, 192 insertions(+), 181 deletions(-) diff --git a/strings/dtoa.c b/strings/dtoa.c index 0a0e4031ea8..d64c420b499 100644 --- a/strings/dtoa.c +++ b/strings/dtoa.c @@ -551,14 +551,14 @@ typedef union { double d; ULong L[2]; } U; #if defined(WORDS_BIGENDIAN) || (defined(__FLOAT_WORD_ORDER) && \ (__FLOAT_WORD_ORDER == __BIG_ENDIAN)) -#define word0(x) ((U*)&x)->L[0] -#define word1(x) ((U*)&x)->L[1] +#define word0(x) (x)->L[0] +#define word1(x) (x)->L[1] #else -#define word0(x) ((U*)&x)->L[1] -#define word1(x) ((U*)&x)->L[0] +#define word0(x) (x)->L[1] +#define word1(x) (x)->L[0] #endif -#define dval(x) ((U*)&x)->d +#define dval(x) (x)->d /* #define P DBL_MANT_DIG */ /* Ten_pmax= floor(P*log(2)/log(5)) */ @@ -1159,15 +1159,15 @@ static Bigint *diff(Bigint *a, Bigint *b, Stack_alloc *alloc) } -static double ulp(double x) +static double ulp(U *x) { register Long L; - double a; + U u; L= (word0(x) & Exp_mask) - (P - 1)*Exp_msk1; - word0(a) = L; - word1(a) = 0; - return dval(a); + word0(&u) = L; + word1(&u) = 0; + return dval(&u); } @@ -1175,9 +1175,9 @@ static double b2d(Bigint *a, int *e) { ULong *xa, *xa0, w, y, z; int k; - double d; -#define d0 word0(d) -#define d1 word1(d) + U d; +#define d0 word0(&d) +#define d1 word1(&d) xa0= a->p.x; xa= xa0 + a->wds; @@ -1206,11 +1206,11 @@ static double b2d(Bigint *a, int *e) ret_d: #undef d0 #undef d1 - return dval(d); + return dval(&d); } -static Bigint *d2b(double d, int *e, int *bits, Stack_alloc *alloc) +static Bigint *d2b(U *d, int *e, int *bits, Stack_alloc *alloc) { Bigint *b; int de, k; @@ -1262,20 +1262,20 @@ static Bigint *d2b(double d, int *e, int *bits, Stack_alloc *alloc) static double ratio(Bigint *a, Bigint *b) { - double da, db; + U da, db; int k, ka, kb; - dval(da)= b2d(a, &ka); - dval(db)= b2d(b, &kb); + dval(&da)= b2d(a, &ka); + dval(&db)= b2d(b, &kb); k= ka - kb + 32*(a->wds - b->wds); if (k > 0) - word0(da)+= k*Exp_msk1; + word0(&da)+= k*Exp_msk1; else { k= -k; - word0(db)+= k*Exp_msk1; + word0(&db)+= k*Exp_msk1; } - return dval(da) / dval(db); + return dval(&da) / dval(&db); } static const double tens[] = @@ -1329,10 +1329,11 @@ static const double tinytens[]= static double my_strtod_int(const char *s00, char **se, int *error, char *buf, size_t buf_size) { int scale; - int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign, + int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, UNINIT_VAR(c), dsign, e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign; const char *s, *s0, *s1, *end = *se; - double aadj, aadj1, adj, rv, rv0; + double aadj, aadj1; + U aadj2, adj, rv, rv0; Long L; ULong y, z; Bigint *bb, *bb1, *bd, *bd0, *bs, *delta; @@ -1343,7 +1344,6 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s int rounding; #endif Stack_alloc alloc; - LINT_INIT(c); *error= 0; @@ -1352,7 +1352,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s memset(alloc.freelist, 0, sizeof(alloc.freelist)); sign= nz0= nz= 0; - dval(rv)= 0.; + dval(&rv)= 0.; for (s= s00; s < end; s++) switch (*s) { case '-': @@ -1488,14 +1488,14 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s if (!nd0) nd0= nd; k= nd < DBL_DIG + 1 ? nd : DBL_DIG + 1; - dval(rv)= y; + dval(&rv)= y; if (k > 9) { #ifdef SET_INEXACT if (k > DBL_DIG) oldinexact = get_inexact(); #endif - dval(rv)= tens[k - 9] * dval(rv) + z; + dval(&rv)= tens[k - 9] * dval(&rv) + z; } bd0= 0; if (nd <= DBL_DIG @@ -1514,11 +1514,11 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s /* round correctly FLT_ROUNDS = 2 or 3 */ if (sign) { - rv= -rv; + rv.d= -rv.d; sign= 0; } #endif - /* rv = */ rounded_product(dval(rv), tens[e]); + /* rv = */ rounded_product(dval(&rv), tens[e]); goto ret; } i= DBL_DIG - nd; @@ -1532,13 +1532,13 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s /* round correctly FLT_ROUNDS = 2 or 3 */ if (sign) { - rv= -rv; + rv.d= -rv.d; sign= 0; } #endif e-= i; - dval(rv)*= tens[i]; - /* rv = */ rounded_product(dval(rv), tens[e]); + dval(&rv)*= tens[i]; + /* rv = */ rounded_product(dval(&rv), tens[e]); goto ret; } } @@ -1549,11 +1549,11 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s /* round correctly FLT_ROUNDS = 2 or 3 */ if (sign) { - rv= -rv; + rv.d= -rv.d; sign= 0; } #endif - /* rv = */ rounded_quotient(dval(rv), tens[-e]); + /* rv = */ rounded_quotient(dval(&rv), tens[-e]); goto ret; } #endif @@ -1582,7 +1582,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s if (e1 > 0) { if ((i= e1 & 15)) - dval(rv)*= tens[i]; + dval(&rv)*= tens[i]; if (e1&= ~15) { if (e1 > DBL_MAX_10_EXP) @@ -1595,21 +1595,21 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s { case 0: /* toward 0 */ case 3: /* toward -infinity */ - word0(rv)= Big0; - word1(rv)= Big1; + word0(&rv)= Big0; + word1(&rv)= Big1; break; default: - word0(rv)= Exp_mask; - word1(rv)= 0; + word0(&rv)= Exp_mask; + word1(&rv)= 0; } #else /*Honor_FLT_ROUNDS*/ - word0(rv)= Exp_mask; - word1(rv)= 0; + word0(&rv)= Exp_mask; + word1(&rv)= 0; #endif /*Honor_FLT_ROUNDS*/ #ifdef SET_INEXACT /* set overflow bit */ - dval(rv0)= 1e300; - dval(rv0)*= dval(rv0); + dval(&rv0)= 1e300; + dval(&rv0)*= dval(&rv0); #endif if (bd0) goto retfree; @@ -1618,27 +1618,27 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s e1>>= 4; for(j= 0; e1 > 1; j++, e1>>= 1) if (e1 & 1) - dval(rv)*= bigtens[j]; + dval(&rv)*= bigtens[j]; /* The last multiplication could overflow. */ - word0(rv)-= P*Exp_msk1; - dval(rv)*= bigtens[j]; - if ((z= word0(rv) & Exp_mask) > Exp_msk1 * (DBL_MAX_EXP + Bias - P)) + word0(&rv)-= P*Exp_msk1; + dval(&rv)*= bigtens[j]; + if ((z= word0(&rv) & Exp_mask) > Exp_msk1 * (DBL_MAX_EXP + Bias - P)) goto ovfl; if (z > Exp_msk1 * (DBL_MAX_EXP + Bias - 1 - P)) { /* set to largest number (Can't trust DBL_MAX) */ - word0(rv)= Big0; - word1(rv)= Big1; + word0(&rv)= Big0; + word1(&rv)= Big1; } else - word0(rv)+= P*Exp_msk1; + word0(&rv)+= P*Exp_msk1; } } else if (e1 < 0) { e1= -e1; if ((i= e1 & 15)) - dval(rv)/= tens[i]; + dval(&rv)/= tens[i]; if ((e1>>= 4)) { if (e1 >= 1 << n_bigtens) @@ -1647,25 +1647,25 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s scale= 2 * P; for(j= 0; e1 > 0; j++, e1>>= 1) if (e1 & 1) - dval(rv)*= tinytens[j]; - if (scale && (j = 2 * P + 1 - ((word0(rv) & Exp_mask) >> Exp_shift)) > 0) + dval(&rv)*= tinytens[j]; + if (scale && (j = 2 * P + 1 - ((word0(&rv) & Exp_mask) >> Exp_shift)) > 0) { /* scaled rv is denormal; zap j low bits */ if (j >= 32) { - word1(rv)= 0; + word1(&rv)= 0; if (j >= 53) - word0(rv)= (P + 2) * Exp_msk1; + word0(&rv)= (P + 2) * Exp_msk1; else - word0(rv)&= 0xffffffff << (j - 32); + word0(&rv)&= 0xffffffff << (j - 32); } else - word1(rv)&= 0xffffffff << j; + word1(&rv)&= 0xffffffff << j; } - if (!dval(rv)) + if (!dval(&rv)) { undfl: - dval(rv)= 0.; + dval(&rv)= 0.; if (bd0) goto retfree; goto ret; @@ -1683,7 +1683,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s { bd= Balloc(bd0->k, &alloc); Bcopy(bd, bd0); - bb= d2b(dval(rv), &bbe, &bbbits, &alloc); /* rv = bb * 2^bbe */ + bb= d2b(&rv, &bbe, &bbbits, &alloc); /* rv = bb * 2^bbe */ bs= i2b(1, &alloc); if (e >= 0) @@ -1748,7 +1748,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s if (i < 0) { /* Error is less than an ulp */ - if (!delta->x[0] && delta->wds <= 1) + if (!delta->p.x[0] && delta->wds <= 1) { /* exact */ #ifdef SET_INEXACT @@ -1760,51 +1760,51 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s { if (dsign) { - adj= 1.; + adj.d= 1.; goto apply_adj; } } else if (!dsign) { - adj= -1.; - if (!word1(rv) && !(word0(rv) & Frac_mask)) + adj.d= -1.; + if (!word1(&rv) && !(word0(&rv) & Frac_mask)) { - y= word0(rv) & Exp_mask; + y= word0(&rv) & Exp_mask; if (!scale || y > 2*P*Exp_msk1) { - delta= lshift(delta,Log2P); + delta= lshift(delta, Log2P, &alloc); if (cmp(delta, bs) <= 0) - adj= -0.5; + adj.d= -0.5; } } apply_adj: - if (scale && (y= word0(rv) & Exp_mask) <= 2 * P * Exp_msk1) - word0(adj)+= (2 * P + 1) * Exp_msk1 - y; - dval(rv)+= adj * ulp(dval(rv)); + if (scale && (y= word0(&rv) & Exp_mask) <= 2 * P * Exp_msk1) + word0(&adj)+= (2 * P + 1) * Exp_msk1 - y; + dval(&rv)+= adj.d * ulp(&rv); } break; } - adj= ratio(delta, bs); - if (adj < 1.) - adj= 1.; - if (adj <= 0x7ffffffe) + adj.d= ratio(delta, bs); + if (adj.d < 1.) + adj.d= 1.; + if (adj.d <= 0x7ffffffe) { /* adj = rounding ? ceil(adj) : floor(adj); */ - y= adj; - if (y != adj) + y= adj.d; + if (y != adj.d) { if (!((rounding >> 1) ^ dsign)) y++; - adj= y; + adj.d= y; } } - if (scale && (y= word0(rv) & Exp_mask) <= 2 * P * Exp_msk1) - word0(adj)+= (2 * P + 1) * Exp_msk1 - y; - adj*= ulp(dval(rv)); + if (scale && (y= word0(&rv) & Exp_mask) <= 2 * P * Exp_msk1) + word0(&adj)+= (2 * P + 1) * Exp_msk1 - y; + adj.d*= ulp(&rv); if (dsign) - dval(rv)+= adj; + dval(&rv)+= adj.d; else - dval(rv)-= adj; + dval(&rv)-= adj.d; goto cont; } #endif /*Honor_FLT_ROUNDS*/ @@ -1815,8 +1815,8 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s Error is less than half an ulp -- check for special case of mantissa a power of two. */ - if (dsign || word1(rv) || word0(rv) & Bndry_mask || - (word0(rv) & Exp_mask) <= (2 * P + 1) * Exp_msk1) + if (dsign || word1(&rv) || word0(&rv) & Bndry_mask || + (word0(&rv) & Exp_mask) <= (2 * P + 1) * Exp_msk1) { #ifdef SET_INEXACT if (!delta->x[0] && delta->wds <= 1) @@ -1842,26 +1842,26 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s /* exactly half-way between */ if (dsign) { - if ((word0(rv) & Bndry_mask1) == Bndry_mask1 && - word1(rv) == - ((scale && (y = word0(rv) & Exp_mask) <= 2 * P * Exp_msk1) ? + if ((word0(&rv) & Bndry_mask1) == Bndry_mask1 && + word1(&rv) == + ((scale && (y = word0(&rv) & Exp_mask) <= 2 * P * Exp_msk1) ? (0xffffffff & (0xffffffff << (2*P+1-(y>>Exp_shift)))) : 0xffffffff)) { /*boundary case -- increment exponent*/ - word0(rv)= (word0(rv) & Exp_mask) + Exp_msk1; - word1(rv) = 0; + word0(&rv)= (word0(&rv) & Exp_mask) + Exp_msk1; + word1(&rv) = 0; dsign = 0; break; } } - else if (!(word0(rv) & Bndry_mask) && !word1(rv)) + else if (!(word0(&rv) & Bndry_mask) && !word1(&rv)) { drop_down: /* boundary case -- decrement exponent */ if (scale) { - L= word0(rv) & Exp_mask; + L= word0(&rv) & Exp_mask; if (L <= (2 *P + 1) * Exp_msk1) { if (L > (P + 2) * Exp_msk1) @@ -1871,19 +1871,19 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s goto undfl; } } - L= (word0(rv) & Exp_mask) - Exp_msk1; - word0(rv)= L | Bndry_mask1; - word1(rv)= 0xffffffff; + L= (word0(&rv) & Exp_mask) - Exp_msk1; + word0(&rv)= L | Bndry_mask1; + word1(&rv)= 0xffffffff; break; } - if (!(word1(rv) & LSB)) + if (!(word1(&rv) & LSB)) break; if (dsign) - dval(rv)+= ulp(dval(rv)); + dval(&rv)+= ulp(&rv); else { - dval(rv)-= ulp(dval(rv)); - if (!dval(rv)) + dval(&rv)-= ulp(&rv); + if (!dval(&rv)) goto undfl; } dsign= 1 - dsign; @@ -1893,9 +1893,9 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s { if (dsign) aadj= aadj1= 1.; - else if (word1(rv) || word0(rv) & Bndry_mask) + else if (word1(&rv) || word0(&rv) & Bndry_mask) { - if (word1(rv) == Tiny1 && !word0(rv)) + if (word1(&rv) == Tiny1 && !word0(&rv)) goto undfl; aadj= 1.; aadj1= -1.; @@ -1929,26 +1929,26 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s aadj1+= 0.5; #endif /*Check_FLT_ROUNDS*/ } - y= word0(rv) & Exp_mask; + y= word0(&rv) & Exp_mask; /* Check for overflow */ if (y == Exp_msk1 * (DBL_MAX_EXP + Bias - 1)) { - dval(rv0)= dval(rv); - word0(rv)-= P * Exp_msk1; - adj= aadj1 * ulp(dval(rv)); - dval(rv)+= adj; - if ((word0(rv) & Exp_mask) >= Exp_msk1 * (DBL_MAX_EXP + Bias - P)) + dval(&rv0)= dval(&rv); + word0(&rv)-= P * Exp_msk1; + adj.d= aadj1 * ulp(&rv); + dval(&rv)+= adj.d; + if ((word0(&rv) & Exp_mask) >= Exp_msk1 * (DBL_MAX_EXP + Bias - P)) { - if (word0(rv0) == Big0 && word1(rv0) == Big1) + if (word0(&rv0) == Big0 && word1(&rv0) == Big1) goto ovfl; - word0(rv)= Big0; - word1(rv)= Big1; + word0(&rv)= Big0; + word1(&rv)= Big1; goto cont; } else - word0(rv)+= P * Exp_msk1; + word0(&rv)+= P * Exp_msk1; } else { @@ -1961,12 +1961,21 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s aadj= z; aadj1= dsign ? aadj : -aadj; } - word0(aadj1)+= (2 * P + 1) * Exp_msk1 - y; + dval(&aadj2) = aadj1; + word0(&aadj2)+= (2 * P + 1) * Exp_msk1 - y; + aadj1= dval(&aadj2); + adj.d= aadj1 * ulp(&rv); + dval(&rv)+= adj.d; + if (rv.d == 0.) + goto undfl; + } + else + { + adj.d= aadj1 * ulp(&rv); + dval(&rv)+= adj.d; } - adj = aadj1 * ulp(dval(rv)); - dval(rv) += adj; } - z= word0(rv) & Exp_mask; + z= word0(&rv) & Exp_mask; #ifndef SET_INEXACT if (!scale) if (y == z) @@ -1975,7 +1984,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s L= (Long)aadj; aadj-= L; /* The tolerances below are conservative. */ - if (dsign || word1(rv) || word0(rv) & Bndry_mask) + if (dsign || word1(&rv) || word0(&rv) & Bndry_mask) { if (aadj < .4999999 || aadj > .5000001) break; @@ -1995,9 +2004,9 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s { if (!oldinexact) { - word0(rv0)= Exp_1 + (70 << Exp_shift); - word1(rv0)= 0; - dval(rv0)+= 1.; + word0(&rv0)= Exp_1 + (70 << Exp_shift); + word1(&rv0)= 0; + dval(&rv0)+= 1.; } } else if (!oldinexact) @@ -2005,16 +2014,16 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s #endif if (scale) { - word0(rv0)= Exp_1 - 2 * P * Exp_msk1; - word1(rv0)= 0; - dval(rv)*= dval(rv0); + word0(&rv0)= Exp_1 - 2 * P * Exp_msk1; + word1(&rv0)= 0; + dval(&rv)*= dval(&rv0); } #ifdef SET_INEXACT - if (inexact && !(word0(rv) & Exp_mask)) + if (inexact && !(word0(&rv) & Exp_mask)) { /* set underflow bit */ - dval(rv0)= 1e-300; - dval(rv0)*= dval(rv0); + dval(&rv0)= 1e-300; + dval(&rv0)*= dval(&rv0); } #endif retfree: @@ -2025,7 +2034,7 @@ static double my_strtod_int(const char *s00, char **se, int *error, char *buf, s Bfree(delta, &alloc); ret: *se= (char *)s; - return sign ? -dval(rv) : dval(rv); + return sign ? -dval(&rv) : dval(&rv); } @@ -2128,7 +2137,7 @@ static int quorem(Bigint *b, Bigint *S) calculation. */ -static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, +static char *dtoa(double dd, int mode, int ndigits, int *decpt, int *sign, char **rve, char *buf, size_t buf_size) { /* @@ -2173,7 +2182,8 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, int denorm; ULong x; Bigint *b, *b1, *delta, *mlo, *mhi, *S; - double d2, ds, eps; + U d2, eps, u; + double ds; char *s, *s0; #ifdef Honor_FLT_ROUNDS int rounding; @@ -2184,18 +2194,19 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, alloc.end= buf + buf_size; memset(alloc.freelist, 0, sizeof(alloc.freelist)); - if (word0(d) & Sign_bit) + u.d= dd; + if (word0(&u) & Sign_bit) { /* set sign for everything, including 0's and NaNs */ *sign= 1; - word0(d) &= ~Sign_bit; /* clear sign bit */ + word0(&u) &= ~Sign_bit; /* clear sign bit */ } else *sign= 0; /* If infinity, set decpt to DTOA_OVERFLOW, if 0 set it to 1 */ - if (((word0(d) & Exp_mask) == Exp_mask && (*decpt= DTOA_OVERFLOW)) || - (!dval(d) && (*decpt= 1))) + if (((word0(&u) & Exp_mask) == Exp_mask && (*decpt= DTOA_OVERFLOW)) || + (!dval(&u) && (*decpt= 1))) { /* Infinity, NaN, 0 */ char *res= (char*) dtoa_alloc(2, &alloc); @@ -2217,12 +2228,12 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, } #endif - b= d2b(dval(d), &be, &bbits, &alloc); - if ((i= (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1)))) + b= d2b(&u, &be, &bbits, &alloc); + if ((i= (int)(word0(&u) >> Exp_shift1 & (Exp_mask>>Exp_shift1)))) { - dval(d2)= dval(d); - word0(d2) &= Frac_mask1; - word0(d2) |= Exp_11; + dval(&d2)= dval(&u); + word0(&d2) &= Frac_mask1; + word0(&d2) |= Exp_11; /* log(x) ~=~ log(1.5) + (x-1.5)/1.5 @@ -2255,21 +2266,21 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, /* d is denormalized */ i= bbits + be + (Bias + (P-1) - 1); - x= i > 32 ? word0(d) << (64 - i) | word1(d) >> (i - 32) - : word1(d) << (32 - i); - dval(d2)= x; - word0(d2)-= 31*Exp_msk1; /* adjust exponent */ + x= i > 32 ? word0(&u) << (64 - i) | word1(&u) >> (i - 32) + : word1(&u) << (32 - i); + dval(&d2)= x; + word0(&d2)-= 31*Exp_msk1; /* adjust exponent */ i-= (Bias + (P-1) - 1) + 1; denorm= 1; } - ds= (dval(d2)-1.5)*0.289529654602168 + 0.1760912590558 + i*0.301029995663981; + ds= (dval(&d2)-1.5)*0.289529654602168 + 0.1760912590558 + i*0.301029995663981; k= (int)ds; if (ds < 0. && ds != k) k--; /* want k= floor(ds) */ k_check= 1; if (k >= 0 && k <= Ten_pmax) { - if (dval(d) < tens[k]) + if (dval(&u) < tens[k]) k--; k_check= 0; } @@ -2347,7 +2358,7 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, { /* Try to get by with floating-point arithmetic. */ i= 0; - dval(d2)= dval(d); + dval(&d2)= dval(&u); k0= k; ilim0= ilim; ieps= 2; /* conservative */ @@ -2359,7 +2370,7 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, { /* prevent overflows */ j&= Bletch - 1; - dval(d)/= bigtens[n_bigtens-1]; + dval(&u)/= bigtens[n_bigtens-1]; ieps++; } for (; j; j>>= 1, i++) @@ -2370,75 +2381,75 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, ds*= bigtens[i]; } } - dval(d)/= ds; + dval(&u)/= ds; } else if ((j1= -k)) { - dval(d)*= tens[j1 & 0xf]; + dval(&u)*= tens[j1 & 0xf]; for (j= j1 >> 4; j; j>>= 1, i++) { if (j & 1) { ieps++; - dval(d)*= bigtens[i]; + dval(&u)*= bigtens[i]; } } } - if (k_check && dval(d) < 1. && ilim > 0) + if (k_check && dval(&u) < 1. && ilim > 0) { if (ilim1 <= 0) goto fast_failed; ilim= ilim1; k--; - dval(d)*= 10.; + dval(&u)*= 10.; ieps++; } - dval(eps)= ieps*dval(d) + 7.; - word0(eps)-= (P-1)*Exp_msk1; + dval(&eps)= ieps*dval(&u) + 7.; + word0(&eps)-= (P-1)*Exp_msk1; if (ilim == 0) { S= mhi= 0; - dval(d)-= 5.; - if (dval(d) > dval(eps)) + dval(&u)-= 5.; + if (dval(&u) > dval(&eps)) goto one_digit; - if (dval(d) < -dval(eps)) + if (dval(&u) < -dval(&eps)) goto no_digits; goto fast_failed; } if (leftright) { /* Use Steele & White method of only generating digits needed. */ - dval(eps)= 0.5/tens[ilim-1] - dval(eps); + dval(&eps)= 0.5/tens[ilim-1] - dval(&eps); for (i= 0;;) { - L= (Long) dval(d); - dval(d)-= L; + L= (Long) dval(&u); + dval(&u)-= L; *s++= '0' + (int)L; - if (dval(d) < dval(eps)) + if (dval(&u) < dval(&eps)) goto ret1; - if (1. - dval(d) < dval(eps)) + if (1. - dval(&u) < dval(&eps)) goto bump_up; if (++i >= ilim) break; - dval(eps)*= 10.; - dval(d)*= 10.; + dval(&eps)*= 10.; + dval(&u)*= 10.; } } else { /* Generate ilim digits, then fix them up. */ - dval(eps)*= tens[ilim-1]; - for (i= 1;; i++, dval(d)*= 10.) + dval(&eps)*= tens[ilim-1]; + for (i= 1;; i++, dval(&u)*= 10.) { - L= (Long)(dval(d)); - if (!(dval(d)-= L)) + L= (Long)(dval(&u)); + if (!(dval(&u)-= L)) ilim= i; *s++= '0' + (int)L; if (i == ilim) { - if (dval(d) > 0.5 + dval(eps)) + if (dval(&u) > 0.5 + dval(&eps)) goto bump_up; - else if (dval(d) < 0.5 - dval(eps)) + else if (dval(&u) < 0.5 - dval(&eps)) { while (*--s == '0'); s++; @@ -2450,7 +2461,7 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, } fast_failed: s= s0; - dval(d)= dval(d2); + dval(&u)= dval(&d2); k= k0; ilim= ilim0; } @@ -2464,24 +2475,24 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, if (ndigits < 0 && ilim <= 0) { S= mhi= 0; - if (ilim < 0 || dval(d) <= 5*ds) + if (ilim < 0 || dval(&u) <= 5*ds) goto no_digits; goto one_digit; } - for (i= 1;; i++, dval(d)*= 10.) + for (i= 1;; i++, dval(&u)*= 10.) { - L= (Long)(dval(d) / ds); - dval(d)-= L*ds; + L= (Long)(dval(&u) / ds); + dval(&u)-= L*ds; #ifdef Check_FLT_ROUNDS /* If FLT_ROUNDS == 2, L will usually be high by 1 */ - if (dval(d) < 0) + if (dval(&u) < 0) { L--; - dval(d)+= ds; + dval(&u)+= ds; } #endif *s++= '0' + (int)L; - if (!dval(d)) + if (!dval(&u)) { break; } @@ -2496,8 +2507,8 @@ static char *dtoa(double d, int mode, int ndigits, int *decpt, int *sign, } } #endif - dval(d)+= dval(d); - if (dval(d) > ds || (dval(d) == ds && L & 1)) + dval(&u)+= dval(&u); + if (dval(&u) > ds || (dval(&u) == ds && L & 1)) { bump_up: while (*--s == '9') @@ -2562,8 +2573,8 @@ bump_up: #endif ) { - if (!word1(d) && !(word0(d) & Bndry_mask) && - word0(d) & (Exp_mask & ~Exp_msk1) + if (!word1(&u) && !(word0(&u) & Bndry_mask) && + word0(&u) & (Exp_mask & ~Exp_msk1) ) { /* The special case */ @@ -2652,7 +2663,7 @@ one_digit: delta= diff(S, mhi, &alloc); j1= delta->sign ? 1 : cmp(b, delta); Bfree(delta, &alloc); - if (j1 == 0 && mode != 1 && !(word1(d) & 1) + if (j1 == 0 && mode != 1 && !(word1(&u) & 1) #ifdef Honor_FLT_ROUNDS && rounding >= 1 #endif @@ -2665,7 +2676,7 @@ one_digit: *s++= dig; goto ret; } - if (j < 0 || (j == 0 && mode != 1 && !(word1(d) & 1))) + if (j < 0 || (j == 0 && mode != 1 && !(word1(&u) & 1))) { if (!b->p.x[0] && b->wds <= 1) { From 627e829e25bfd99fa6639c8643602850e797fe61 Mon Sep 17 00:00:00 2001 From: Alfranio Correia Date: Tue, 1 Jun 2010 20:34:40 +0100 Subject: [PATCH 383/400] Post-merge fix for BUG#53421. --- .../r/binlog_row_mix_innodb_myisam.result | 32 +++++++++++++++++-- .../r/binlog_stm_mix_innodb_myisam.result | 3 ++ 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result b/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result index 6643c4557c2..86da7468892 100644 --- a/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result +++ b/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result @@ -412,13 +412,41 @@ master-bin.000001 # Table_map # # table_id: # (test.t1) master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F master-bin.000001 # Query # # COMMIT master-bin.000001 # Query # # BEGIN -master-bin.000001 # Table_map # # table_id: # (test.t1) -master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE IF NOT EXISTS `t2` ( + `a` int(11) NOT NULL DEFAULT '0', + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB master-bin.000001 # Query # # COMMIT master-bin.000001 # Query # # BEGIN master-bin.000001 # Table_map # # table_id: # (test.t1) master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F master-bin.000001 # Query # # COMMIT +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE IF NOT EXISTS `t2` ( + `a` int(11) NOT NULL DEFAULT '0', + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB +master-bin.000001 # Query # # ROLLBACK +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Table_map # # table_id: # (test.t1) +master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F +master-bin.000001 # Query # # COMMIT +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE IF NOT EXISTS `t2` ( + `a` int(11) NOT NULL DEFAULT '0', + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB +master-bin.000001 # Query # # COMMIT +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE IF NOT EXISTS `t2` ( + `a` int(11) NOT NULL DEFAULT '0', + `b` int(11) DEFAULT NULL, + PRIMARY KEY (`a`) +) ENGINE=InnoDB +master-bin.000001 # Query # # ROLLBACK master-bin.000001 # Query # # use `test`; DROP TABLE `t1` /* generated by server */ master-bin.000001 # Query # # use `test`; DROP TEMPORARY TABLE IF EXISTS `t2` /* generated by server */ reset master; diff --git a/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result b/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result index cea3819cad3..d9ba3ac4197 100644 --- a/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result +++ b/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result @@ -418,6 +418,9 @@ master-bin.000001 # Query # # COMMIT master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO t2 values (100,100) master-bin.000001 # Query # # COMMIT +master-bin.000001 # Query # # BEGIN +master-bin.000001 # Query # # use `test`; INSERT INTO t2 values (101,101) +master-bin.000001 # Query # # ROLLBACK master-bin.000001 # Query # # use `test`; DROP TABLE t1,t2 reset master; create table t1 (a int) engine=innodb; From 02fc237a2c4f14d9a2f9b543f732e2347123717f Mon Sep 17 00:00:00 2001 From: Alfranio Correia Date: Wed, 2 Jun 2010 00:25:08 +0100 Subject: [PATCH 384/400] BUG#50479 DDL stmt on row-only/stmt-only tables generate spurious binlog_format errors In the fix of BUG#39934 in 5.1-rep+3, errors are generated when binlog_format=row and a statement modifies a table restricted to statement-logging (ER_BINLOG_ROW_MODE_AND_STMT_ENGINE); or if binlog_format=statement and a statement modifies a table restricted to row-logging (ER_BINLOG_STMT_MODE_AND_ROW_ENGINE). However, some DDL statements that lock tables (e.g. ALTER TABLE, CREATE INDEX and CREATE TRIGGER) were causing spurious errors, although no row might be inserted into the binary log. To fix the problem, we tagged statements that may generate rows into the binary log and thence the warning messages are only printed out when the appropriate conditions hold and rows might be changed. --- .../suite/binlog/r/binlog_multi_engine.result | 4 +- .../r/binlog_spurious_ddl_errors.result | 53 ++++++ .../r/binlog_stm_mix_innodb_myisam.result | 18 +- .../t/binlog_spurious_ddl_errors-master.opt | 1 + .../binlog/t/binlog_spurious_ddl_errors.test | 95 +++++++++++ .../suite/ndb/r/ndb_binlog_format.result | 4 +- .../suite/rpl/r/rpl_concurrency_error.result | 8 +- .../rpl_non_direct_stm_mixing_engines.result | 154 +++++++++--------- .../suite/rpl/r/rpl_stm_mixing_engines.result | 154 +++++++++--------- .../rpl/r/rpl_stm_stop_middle_group.result | 2 +- .../suite/rpl/r/rpl_temp_temporary.result | 4 +- .../r/rpl_ndb_binlog_format_errors.result | 4 +- .../t/rpl_ndb_binlog_format_errors.test | 4 +- sql/log_event.cc | 107 +++++------- sql/share/errmsg-utf8.txt | 3 +- sql/sql_class.cc | 11 +- sql/sql_class.h | 6 + sql/sql_parse.cc | 57 +++++-- sql/sql_parse.h | 1 + storage/innobase/handler/ha_innodb.cc | 4 +- storage/innobase/handler/ha_innodb.h | 7 + 21 files changed, 434 insertions(+), 267 deletions(-) create mode 100644 mysql-test/suite/binlog/r/binlog_spurious_ddl_errors.result create mode 100644 mysql-test/suite/binlog/t/binlog_spurious_ddl_errors-master.opt create mode 100644 mysql-test/suite/binlog/t/binlog_spurious_ddl_errors.test diff --git a/mysql-test/suite/binlog/r/binlog_multi_engine.result b/mysql-test/suite/binlog/r/binlog_multi_engine.result index 2cdd62655fa..b0ec756b651 100644 --- a/mysql-test/suite/binlog/r/binlog_multi_engine.result +++ b/mysql-test/suite/binlog/r/binlog_multi_engine.result @@ -8,14 +8,14 @@ INSERT INTO t1b VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t1m VALUES (1,1), (1,2), (2,1), (2,2); UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. The last event before the COMMIT is use `test`; UPDATE t1m, t1b SET m = 2, b = 3 WHERE n = c *** Please look in binlog_multi_engine.test if you have a diff here **** START TRANSACTION; INSERT INTO t1n VALUES (1,1), (1,2), (2,1), (2,2); UPDATE t1m, t1n SET m = 2, e = 3 WHERE n = f; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. UPDATE t1n, t1b SET e = 2, b = 3 WHERE f = c; COMMIT; TRUNCATE t1m; diff --git a/mysql-test/suite/binlog/r/binlog_spurious_ddl_errors.result b/mysql-test/suite/binlog/r/binlog_spurious_ddl_errors.result new file mode 100644 index 00000000000..17a473ff062 --- /dev/null +++ b/mysql-test/suite/binlog/r/binlog_spurious_ddl_errors.result @@ -0,0 +1,53 @@ +SET @old_binlog_format= @@global.binlog_format; +INSTALL PLUGIN example SONAME 'ha_example.so'; +################################################################################ +# Verifies if ER_BINLOG_STMT_MODE_AND_ROW_ENGINE happens by setting the binlog +# format to STATEMENT and the transaction isolation level to READ COMMITTED as +# such changes force Innodb to accept changes in the row format. +# +# When CREATE TABLE, ALTER TABLE, CREATE INDEX and CREATE TRIGGER are executed +# any error should be triggered. +# +# In contrast, CREATE TABLE ... SELECT should trigger the following error: +# ER_BINLOG_STMT_MODE_AND_ROW_ENGINE. +################################################################################ +SET binlog_format = STATEMENT; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +CREATE TABLE t_row (a VARCHAR(100)) ENGINE = InnoDB; +ALTER TABLE t_row ADD COLUMN b INT; +CREATE TRIGGER trig_row BEFORE INSERT ON t_row FOR EACH ROW INSERT INTO t_stmt VALUES (1); +CREATE INDEX i ON t_row(a); +CREATE TABLE t_row_new ENGINE = InnoDB SELECT * FROM t_row; +ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. +DROP TABLE t_row; + + +################################################################################ +# Verifies if ER_BINLOG_ROW_MODE_AND_STMT_ENGINE happens by setting the binlog +# format to ROW and using a engine, i.e. EXAMPLE, that only supports STATEMENT. +# +# When CREATE TABLE, ALTER TABLE, CREATE INDEX and CREATE TRIGGER are executed +# the error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE is not triggered. Note that other +# errors are triggered due to restrictions in the engine. +# +# In contrast, CREATE TABLE ... SELECT should trigger the following error: +# ER_BINLOG_ROW_MODE_AND_STMT_ENGINE. +################################################################################ +SET binlog_format = ROW; +CREATE TABLE t_stmt (a VARCHAR(100)) ENGINE = EXAMPLE; +ALTER TABLE t_stmt ADD COLUMN b INT; +ERROR 42000: This version of MySQL doesn't yet support 'ALTER TABLE' +CREATE TRIGGER trig_stmt BEFORE INSERT ON t_stmt FOR EACH ROW INSERT INTO t_stmt VALUES (1); +CREATE INDEX i ON t_stmt(a); +ERROR 42000: Too many key parts specified; max 0 parts allowed +CREATE TABLE t_stmt_new ENGINE = EXAMPLE SELECT * FROM t_stmt; +ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = ROW and at least one table uses a storage engine limited to statement-based logging. +DROP TABLE t_stmt; + + +################################################################################ +# CLEAN UP # +################################################################################ +UNINSTALL PLUGIN example; +SET @@global.binlog_format = @old_binlog_format; +SET @@session.binlog_format = @old_binlog_format; diff --git a/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result b/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result index d9ba3ac4197..9bf6f4de144 100644 --- a/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result +++ b/mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result @@ -8,7 +8,7 @@ begin; insert into t1 values(1); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. commit; show binlog events from ; Log_name Pos Event_type Server_id End_log_pos Info @@ -23,7 +23,7 @@ begin; insert into t1 values(2); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. rollback; Warnings: Warning 1196 Some non-transactional changed tables couldn't be rolled back @@ -42,7 +42,7 @@ savepoint my_savepoint; insert into t1 values(4); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. rollback to savepoint my_savepoint; Warnings: Warning 1196 Some non-transactional changed tables couldn't be rolled back @@ -65,7 +65,7 @@ savepoint my_savepoint; insert into t1 values(6); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. rollback to savepoint my_savepoint; Warnings: Warning 1196 Some non-transactional changed tables couldn't be rolled back @@ -95,7 +95,7 @@ begin; insert into t1 values(8); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. select get_lock("a",10); get_lock("a",10) 1 @@ -111,7 +111,7 @@ reset master; insert into t1 values(9); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. show binlog events from ; Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN @@ -127,7 +127,7 @@ insert into t1 values(10); begin; insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. show binlog events from ; Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN @@ -246,7 +246,7 @@ Warning 1196 Some non-transactional changed tables couldn't be rolled back create table t0 (n int); insert t0 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. set autocommit=1; insert into t0 select GET_LOCK("lock1",null); Warnings: @@ -432,7 +432,7 @@ begin; insert into t1 values(8); insert into t2 select * from t1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. select get_lock("a",10); get_lock("a",10) 1 diff --git a/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors-master.opt b/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors-master.opt new file mode 100644 index 00000000000..ffa981152ea --- /dev/null +++ b/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors-master.opt @@ -0,0 +1 @@ +--innodb $EXAMPLE_PLUGIN_OPT diff --git a/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors.test b/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors.test new file mode 100644 index 00000000000..6514ff1f712 --- /dev/null +++ b/mysql-test/suite/binlog/t/binlog_spurious_ddl_errors.test @@ -0,0 +1,95 @@ +################################################################################ +# BUG#50479 DDL stmt on row-only/stmt-only tables generate spurious +# binlog_format errors +# +# In the fix of BUG#39934 in 5.1-rep+3, errors are generated when +# binlog_format=row and a statement modifies a table restricted to +# statement-logging (ER_BINLOG_ROW_MODE_AND_STMT_ENGINE); or if +# binlog_format=statement and a statement modifies a table limited to +# row-logging (ER_BINLOG_STMT_MODE_AND_ROW_ENGINE). +# +# In this test case, we check if some DDL statements that lock tables do not +# trigger errors as they do not generate rows events and as such are harmless +# from the point of view of conflicts between the engine's supported logging +# format and the value of binlog_format. +# +# In particular, we check if: +# 1 - ALTER TABLE, CREATE INDEX and CREATE TRIGGER do not generate either +# ER_BINLOG_STMT_MODE_AND_ROW_ENGINE or ER_BINLOG_STMT_MODE_AND_ROW_ENGINE +# +# 2 - CREATE TABLE ... SELECT generates an error because the command can +# generate row events but CREATE TABLE without SELECT does not generate +# an error. +################################################################################ +--source include/have_innodb.inc +--source include/have_example_plugin.inc +--source include/have_log_bin.inc + +SET @old_binlog_format= @@global.binlog_format; +INSTALL PLUGIN example SONAME 'ha_example.so'; + +--echo ################################################################################ +--echo # Verifies if ER_BINLOG_STMT_MODE_AND_ROW_ENGINE happens by setting the binlog +--echo # format to STATEMENT and the transaction isolation level to READ COMMITTED as +--echo # such changes force Innodb to accept changes in the row format. +--echo # +--echo # When CREATE TABLE, ALTER TABLE, CREATE INDEX and CREATE TRIGGER are executed +--echo # any error should be triggered. +--echo # +--echo # In contrast, CREATE TABLE ... SELECT should trigger the following error: +--echo # ER_BINLOG_STMT_MODE_AND_ROW_ENGINE. +--echo ################################################################################ +SET binlog_format = STATEMENT; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +CREATE TABLE t_row (a VARCHAR(100)) ENGINE = InnoDB; + +ALTER TABLE t_row ADD COLUMN b INT; + +CREATE TRIGGER trig_row BEFORE INSERT ON t_row FOR EACH ROW INSERT INTO t_stmt VALUES (1); + +CREATE INDEX i ON t_row(a); + +--error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE +CREATE TABLE t_row_new ENGINE = InnoDB SELECT * FROM t_row; + +DROP TABLE t_row; + +--echo +--echo + +--echo ################################################################################ +--echo # Verifies if ER_BINLOG_ROW_MODE_AND_STMT_ENGINE happens by setting the binlog +--echo # format to ROW and using a engine, i.e. EXAMPLE, that only supports STATEMENT. +--echo # +--echo # When CREATE TABLE, ALTER TABLE, CREATE INDEX and CREATE TRIGGER are executed +--echo # the error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE is not triggered. Note that other +--echo # errors are triggered due to restrictions in the engine. +--echo # +--echo # In contrast, CREATE TABLE ... SELECT should trigger the following error: +--echo # ER_BINLOG_ROW_MODE_AND_STMT_ENGINE. +--echo ################################################################################ +SET binlog_format = ROW; +CREATE TABLE t_stmt (a VARCHAR(100)) ENGINE = EXAMPLE; + +--error ER_NOT_SUPPORTED_YET +ALTER TABLE t_stmt ADD COLUMN b INT; + +CREATE TRIGGER trig_stmt BEFORE INSERT ON t_stmt FOR EACH ROW INSERT INTO t_stmt VALUES (1); + +--error ER_TOO_MANY_KEY_PARTS +CREATE INDEX i ON t_stmt(a); + +--error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE +CREATE TABLE t_stmt_new ENGINE = EXAMPLE SELECT * FROM t_stmt; + +DROP TABLE t_stmt; + +--echo +--echo + +--echo ################################################################################ +--echo # CLEAN UP # +--echo ################################################################################ +UNINSTALL PLUGIN example; +SET @@global.binlog_format = @old_binlog_format; +SET @@session.binlog_format = @old_binlog_format; diff --git a/mysql-test/suite/ndb/r/ndb_binlog_format.result b/mysql-test/suite/ndb/r/ndb_binlog_format.result index baf00186ff3..909d122bfc6 100644 --- a/mysql-test/suite/ndb/r/ndb_binlog_format.result +++ b/mysql-test/suite/ndb/r/ndb_binlog_format.result @@ -9,12 +9,12 @@ INSERT INTO t1 VALUES (1,1), (1,2), (2,1), (2,2); INSERT INTO t2 VALUES (1,1), (1,2), (2,1), (2,2); UPDATE t1, t2 SET m = 2, b = 3 WHERE n = c; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. START TRANSACTION; INSERT INTO t3 VALUES (1,1), (1,2), (2,1), (2,2); UPDATE t1, t3 SET m = 2, e = 3 WHERE n = f; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. UPDATE t3, t2 SET e = 2, b = 3 WHERE f = c; COMMIT; show binlog events from ; diff --git a/mysql-test/suite/rpl/r/rpl_concurrency_error.result b/mysql-test/suite/rpl/r/rpl_concurrency_error.result index 033783c65b4..013f02c3a86 100644 --- a/mysql-test/suite/rpl/r/rpl_concurrency_error.result +++ b/mysql-test/suite/rpl/r/rpl_concurrency_error.result @@ -22,7 +22,7 @@ SET AUTOCOMMIT = 1; BEGIN; UPDATE t SET f = 'yellow 2' WHERE i = 3; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. SET AUTOCOMMIT = 1; BEGIN; UPDATE t SET f = 'magenta 2' WHERE f = 'red'; @@ -51,7 +51,7 @@ SET AUTOCOMMIT = 1; BEGIN; UPDATE t SET f = 'gray 2' WHERE i = 3; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. SET AUTOCOMMIT = 1; BEGIN; UPDATE t SET f = 'dark blue 2' WHERE f = 'red'; @@ -77,7 +77,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ SET AUTOCOMMIT = 0; UPDATE t SET f = 'yellow 1' WHERE i = 3; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. SET AUTOCOMMIT = 0; UPDATE t SET f = 'magenta 1' WHERE f = 'red'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction @@ -104,7 +104,7 @@ master-bin.000001 # Query # # ROLLBACK SET AUTOCOMMIT = 0; UPDATE t SET f = 'gray 1' WHERE i = 3; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. SET AUTOCOMMIT = 0; UPDATE t SET f = 'dark blue 1' WHERE f = 'red'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction diff --git a/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result b/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result index e31016af36a..ab02432b0d4 100644 --- a/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result +++ b/mysql-test/suite/rpl/r/rpl_non_direct_stm_mixing_engines.result @@ -392,7 +392,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 23, 1, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 23, 1, COUNT(*) FROM tt_1 @@ -408,7 +408,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 24, 1, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 24, 1, COUNT(*) FROM nt_1 @@ -424,7 +424,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 25 --> 1", tt_3.info= "new text 25 --> 1" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; UPDATE nt_3, tt_3 SET nt_3.info= "new text 25 --> 1", tt_3.info= "new text 25 --> 1" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1 @@ -440,7 +440,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1) @@ -456,7 +456,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)) @@ -472,7 +472,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 28 --> 1", nt_4.info= "new text 28 --> 1" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; UPDATE tt_4, nt_4 SET tt_4.info= "new text 28 --> 1", nt_4.info= "new text 28 --> 1" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1 @@ -488,7 +488,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1) @@ -504,7 +504,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)) @@ -6077,7 +6077,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 205, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 205, 2, COUNT(*) FROM tt_1 @@ -6111,7 +6111,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 206, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6141,7 +6141,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 207 --> 2", tt_3.info= "new text 207 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6171,7 +6171,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (208, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6201,7 +6201,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (209, 2, fc_i_tt_5_suc(209, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6231,7 +6231,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 210 --> 2", nt_4.info= "new text 210 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6261,7 +6261,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (211, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6291,7 +6291,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (212, 2, fc_i_nt_5_suc(212, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6519,7 +6519,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 219, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 219, 2, COUNT(*) FROM tt_1 @@ -6555,7 +6555,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 220, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6577,7 +6577,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 221 --> 2", tt_3.info= "new text 221 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6609,7 +6609,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (222, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6641,7 +6641,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (223, 2, fc_i_tt_5_suc(223, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6673,7 +6673,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 224 --> 2", nt_4.info= "new text 224 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6705,7 +6705,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (225, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6737,7 +6737,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (226, 2, fc_i_nt_5_suc(226, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6974,7 +6974,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 233, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> tN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7004,7 +7004,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 234, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7034,7 +7034,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 235 --> 4", tt_3.info= "new text 235 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7064,7 +7064,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (236, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7094,7 +7094,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (237, 4, fc_i_tt_5_suc(237, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7124,7 +7124,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 238 --> 4", nt_4.info= "new text 238 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7154,7 +7154,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (239, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7184,7 +7184,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (240, 4, fc_i_nt_5_suc(240, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7406,7 +7406,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 247, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> tN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7438,7 +7438,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 248, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7460,7 +7460,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 249 --> 4", tt_3.info= "new text 249 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7492,7 +7492,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (250, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7524,7 +7524,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (251, 4, fc_i_tt_5_suc(251, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7556,7 +7556,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 252 --> 4", nt_4.info= "new text 252 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7588,7 +7588,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (253, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7620,7 +7620,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (254, 4, fc_i_nt_5_suc(254, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7846,7 +7846,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 261, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 261, 2, COUNT(*) FROM tt_1 @@ -7880,7 +7880,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 262, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -7912,7 +7912,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 263 --> 2", tt_3.info= "new text 263 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -7944,7 +7944,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (264, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -7976,7 +7976,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (265, 2, fc_i_tt_5_suc(265, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8008,7 +8008,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 266 --> 2", nt_4.info= "new text 266 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8040,7 +8040,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (267, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8072,7 +8072,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (268, 2, fc_i_nt_5_suc(268, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8312,7 +8312,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 275, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 275, 2, COUNT(*) FROM tt_1 @@ -8348,7 +8348,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 276, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8382,7 +8382,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 277 --> 2", tt_3.info= "new text 277 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8416,7 +8416,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (278, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8450,7 +8450,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (279, 2, fc_i_tt_5_suc(279, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8484,7 +8484,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 280 --> 2", nt_4.info= "new text 280 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8518,7 +8518,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (281, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8552,7 +8552,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (282, 2, fc_i_nt_5_suc(282, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8812,7 +8812,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 289, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 289, 4, COUNT(*) FROM tt_1 @@ -8846,7 +8846,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 290, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8880,7 +8880,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 291 --> 4", tt_3.info= "new text 291 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8914,7 +8914,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (292, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8948,7 +8948,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (293, 4, fc_i_tt_5_suc(293, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -8982,7 +8982,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 294 --> 4", nt_4.info= "new text 294 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9016,7 +9016,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (295, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9050,7 +9050,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (296, 4, fc_i_nt_5_suc(296, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9298,7 +9298,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 303, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 303, 4, COUNT(*) FROM tt_1 @@ -9334,7 +9334,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 304, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9370,7 +9370,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 305 --> 4", tt_3.info= "new text 305 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9406,7 +9406,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (306, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9442,7 +9442,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (307, 4, fc_i_tt_5_suc(307, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9478,7 +9478,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 308 --> 4", nt_4.info= "new text 308 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9514,7 +9514,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (309, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9550,7 +9550,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (310, 4, fc_i_nt_5_suc(310, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -10135,7 +10135,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO tt_xx_7(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM nt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> IS-T<-N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -10213,7 +10213,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO tt_xx_7(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM nt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> IS-T<-N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -10477,7 +10477,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> IS-N<-T << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -10557,7 +10557,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1 @@ -10967,7 +10967,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 357, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 357, 2, COUNT(*) FROM tt_1 diff --git a/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result b/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result index 79ebe1a9f30..a5219662881 100644 --- a/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result +++ b/mysql-test/suite/rpl/r/rpl_stm_mixing_engines.result @@ -392,7 +392,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 23, 1, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 23, 1, COUNT(*) FROM tt_1 @@ -408,7 +408,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 24, 1, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 24, 1, COUNT(*) FROM nt_1 @@ -424,7 +424,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 25 --> 1", tt_3.info= "new text 25 --> 1" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; UPDATE nt_3, tt_3 SET nt_3.info= "new text 25 --> 1", tt_3.info= "new text 25 --> 1" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1 @@ -440,7 +440,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_4(trans_id, stmt_id) VALUES (26, 1) @@ -456,7 +456,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (27, 1, fc_i_tt_5_suc(27, 1)) @@ -472,7 +472,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 28 --> 1", nt_4.info= "new text 28 --> 1" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; UPDATE tt_4, nt_4 SET tt_4.info= "new text 28 --> 1", nt_4.info= "new text 28 --> 1" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1 @@ -488,7 +488,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_3(trans_id, stmt_id) VALUES (29, 1) @@ -504,7 +504,7 @@ master-bin.000001 # Xid # # COMMIT /* XID */ -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (30, 1, fc_i_nt_5_suc(30, 1)) @@ -6245,7 +6245,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 205, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 205, 2, COUNT(*) FROM tt_1 @@ -6279,7 +6279,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 206, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6309,7 +6309,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 207 --> 2", tt_3.info= "new text 207 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6339,7 +6339,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (208, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6369,7 +6369,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (209, 2, fc_i_tt_5_suc(209, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6399,7 +6399,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 210 --> 2", nt_4.info= "new text 210 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6429,7 +6429,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (211, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6459,7 +6459,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (212, 2, fc_i_nt_5_suc(212, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6687,7 +6687,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 219, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 219, 2, COUNT(*) FROM tt_1 @@ -6723,7 +6723,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 220, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6745,7 +6745,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 221 --> 2", tt_3.info= "new text 221 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6777,7 +6777,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (222, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6809,7 +6809,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (223, 2, fc_i_tt_5_suc(223, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6841,7 +6841,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 224 --> 2", nt_4.info= "new text 224 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6873,7 +6873,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (225, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -6905,7 +6905,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (226, 2, fc_i_nt_5_suc(226, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -7142,7 +7142,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 233, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 233, 4, COUNT(*) FROM tt_1 @@ -7176,7 +7176,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 234, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7206,7 +7206,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 235 --> 4", tt_3.info= "new text 235 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7236,7 +7236,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (236, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7266,7 +7266,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (237, 4, fc_i_tt_5_suc(237, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7296,7 +7296,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 238 --> 4", nt_4.info= "new text 238 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7326,7 +7326,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (239, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7356,7 +7356,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (240, 4, fc_i_nt_5_suc(240, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -7582,7 +7582,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 247, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 247, 4, COUNT(*) FROM tt_1 @@ -7618,7 +7618,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 248, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7640,7 +7640,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 249 --> 4", tt_3.info= "new text 249 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7672,7 +7672,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (250, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7704,7 +7704,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (251, 4, fc_i_tt_5_suc(251, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7736,7 +7736,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 252 --> 4", nt_4.info= "new text 252 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7768,7 +7768,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (253, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -7800,7 +7800,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (254, 4, fc_i_nt_5_suc(254, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -8030,7 +8030,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 261, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 261, 2, COUNT(*) FROM tt_1 @@ -8064,7 +8064,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 262, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8100,7 +8100,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 263 --> 2", tt_3.info= "new text 263 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8136,7 +8136,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (264, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8172,7 +8172,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (265, 2, fc_i_tt_5_suc(265, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8208,7 +8208,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 266 --> 2", nt_4.info= "new text 266 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8244,7 +8244,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (267, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8280,7 +8280,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (268, 2, fc_i_nt_5_suc(268, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8540,7 +8540,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 275, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 275, 2, COUNT(*) FROM tt_1 @@ -8576,7 +8576,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 276, 2, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8614,7 +8614,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 277 --> 2", tt_3.info= "new text 277 --> 2" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8652,7 +8652,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (278, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8690,7 +8690,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (279, 2, fc_i_tt_5_suc(279, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8728,7 +8728,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 280 --> 2", nt_4.info= "new text 280 --> 2" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8766,7 +8766,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (281, 2); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -8804,7 +8804,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (282, 2, fc_i_nt_5_suc(282, 2)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b- @@ -9084,7 +9084,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 289, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 289, 4, COUNT(*) FROM tt_1 @@ -9118,7 +9118,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 290, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9152,7 +9152,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 291 --> 4", tt_3.info= "new text 291 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9186,7 +9186,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (292, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9220,7 +9220,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (293, 4, fc_i_tt_5_suc(293, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9254,7 +9254,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 294 --> 4", nt_4.info= "new text 294 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9288,7 +9288,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (295, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9322,7 +9322,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (296, 4, fc_i_nt_5_suc(296, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b- @@ -9570,7 +9570,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 303, 4, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 303, 4, COUNT(*) FROM tt_1 @@ -9606,7 +9606,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> nT << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_1(trans_id, stmt_id, info) SELECT 304, 4, COUNT(*) FROM nt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> nT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9642,7 +9642,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT << -b-b-b-b-b-b-b-b-b-b-b- UPDATE nt_3, tt_3 SET nt_3.info= "new text 305 --> 4", tt_3.info= "new text 305 --> 4" where nt_3.trans_id = tt_3.trans_id and tt_3.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9678,7 +9678,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_4(trans_id, stmt_id) VALUES (306, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9714,7 +9714,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> NT-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_5(trans_id, stmt_id, info) VALUES (307, 4, fc_i_tt_5_suc(307, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> NT-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9750,7 +9750,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN << -b-b-b-b-b-b-b-b-b-b-b- UPDATE tt_4, nt_4 SET tt_4.info= "new text 308 --> 4", nt_4.info= "new text 308 --> 4" where nt_4.trans_id = tt_4.trans_id and tt_4.trans_id = 1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9786,7 +9786,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-trig << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_3(trans_id, stmt_id) VALUES (309, 4); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-trig << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -9822,7 +9822,7 @@ master-bin.000001 # Query # # COMMIT -b-b-b-b-b-b-b-b-b-b-b- >> TN-func << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO tt_5(trans_id, stmt_id, info) VALUES (310, 4, fc_i_nt_5_suc(310, 4)); Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> TN-func << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> R << -b-b-b-b-b-b-b-b-b-b-b- @@ -10415,7 +10415,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO tt_xx_7(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM nt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> IS-T<-N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -10493,7 +10493,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO tt_xx_7(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM nt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info -e-e-e-e-e-e-e-e-e-e-e- >> IS-T<-N << -e-e-e-e-e-e-e-e-e-e-e- -b-b-b-b-b-b-b-b-b-b-b- >> T << -b-b-b-b-b-b-b-b-b-b-b- @@ -10757,7 +10757,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1 @@ -10845,7 +10845,7 @@ Log_name Pos Event_type Server_id End_log_pos Info INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1;; Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave. -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_xx_9(trans_id, stmt_id, info) SELECT trans_id, stmt_id, USER() FROM tt_1 @@ -11263,7 +11263,7 @@ Log_name Pos Event_type Server_id End_log_pos Info -b-b-b-b-b-b-b-b-b-b-b- >> tN << -b-b-b-b-b-b-b-b-b-b-b- INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 357, 2, COUNT(*) FROM tt_1; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Query # # BEGIN master-bin.000001 # Query # # use `test`; INSERT INTO nt_1(trans_id, stmt_id, info) SELECT 357, 2, COUNT(*) FROM tt_1 diff --git a/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result b/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result index e4e98f0bfe5..96829a1b1ec 100644 --- a/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result +++ b/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result @@ -53,7 +53,7 @@ set @@global.debug="+d,stop_slave_middle_group"; set @@global.debug="+d,incomplete_group_in_relay_log"; update tm as t1, ti as t2 set t1.a=t1.a * 2, t2.a=t2.a * 2; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. SELECT "Fatal error: ... The slave SQL is stopped, leaving the current group of events unfinished with a non-transaction table changed. If the group consists solely of Row-based events, you can try restarting the slave with --slave-exec-mode=IDEMPOTENT, which ignores duplicate key, key not found, and similar errors (see documentation for details)." AS Last_SQL_Error, @check as `true`; Last_SQL_Error true Fatal error: ... The slave SQL is stopped, leaving the current group of events unfinished with a non-transaction table changed. If the group consists solely of Row-based events, you can try restarting the slave with --slave-exec-mode=IDEMPOTENT, which ignores duplicate key, key not found, and similar errors (see documentation for details). 1 diff --git a/mysql-test/suite/rpl/r/rpl_temp_temporary.result b/mysql-test/suite/rpl/r/rpl_temp_temporary.result index 548c95385f3..3911bd8a773 100644 --- a/mysql-test/suite/rpl/r/rpl_temp_temporary.result +++ b/mysql-test/suite/rpl/r/rpl_temp_temporary.result @@ -24,7 +24,7 @@ INSERT INTO t_innodb_temp VALUES(1); BEGIN; INSERT INTO t_myisam SELECT * FROM t_myisam_temp; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. INSERT INTO t_innodb SELECT * FROM t_myisam_temp; INSERT INTO t_innodb SELECT * FROM t_innodb_temp; ROLLBACK; @@ -33,7 +33,7 @@ Warning 1196 Some non-transactional changed tables couldn't be rolled back BEGIN; INSERT INTO t_myisam SELECT * FROM t_innodb_temp; Warnings: -Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe. +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them. INSERT INTO t_innodb SELECT * FROM t_myisam_temp; INSERT INTO t_innodb SELECT * FROM t_innodb_temp; ROLLBACK; diff --git a/mysql-test/suite/rpl_ndb/r/rpl_ndb_binlog_format_errors.result b/mysql-test/suite/rpl_ndb/r/rpl_ndb_binlog_format_errors.result index 36b8e022dd2..61f79804c65 100644 --- a/mysql-test/suite/rpl_ndb/r/rpl_ndb_binlog_format_errors.result +++ b/mysql-test/suite/rpl_ndb/r/rpl_ndb_binlog_format_errors.result @@ -43,11 +43,11 @@ SELECT * FROM t /* Should be empty */; a * Modify both row-only and stmt-only table CREATE TRIGGER trig_2 AFTER INSERT ON t_stmt FOR EACH ROW BEGIN INSERT INTO t_row VALUES(1); END; -ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = ROW and at least one table uses a storage engine limited to statement-based logging. INSERT INTO t_stmt VALUES (1); -ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = ROW and at least one table uses a storage engine limited to statement-based logging. +ERROR HY000: Cannot execute statement: impossible to write to binary log since both row-incapable engines and statement-incapable engines are involved. SELECT * FROM t_stmt /* should be empty */; a +DROP TRIGGER trig_2; * Stmt-only table and binlog_format=row INSERT INTO t_stmt VALUES (1); ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = ROW and at least one table uses a storage engine limited to statement-based logging. diff --git a/mysql-test/suite/rpl_ndb/t/rpl_ndb_binlog_format_errors.test b/mysql-test/suite/rpl_ndb/t/rpl_ndb_binlog_format_errors.test index 481db5f6564..4ba7e643779 100644 --- a/mysql-test/suite/rpl_ndb/t/rpl_ndb_binlog_format_errors.test +++ b/mysql-test/suite/rpl_ndb/t/rpl_ndb_binlog_format_errors.test @@ -97,11 +97,11 @@ SELECT * FROM t_self_logging /* Should be empty */; SELECT * FROM t /* Should be empty */; --echo * Modify both row-only and stmt-only table ---error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE --eval CREATE TRIGGER trig_2 AFTER INSERT ON t_stmt FOR EACH ROW BEGIN INSERT INTO t_row VALUES(1); END ---error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE +--error ER_BINLOG_ROW_ENGINE_AND_STMT_ENGINE INSERT INTO t_stmt VALUES (1); SELECT * FROM t_stmt /* should be empty */; +DROP TRIGGER trig_2; --echo * Stmt-only table and binlog_format=row --error ER_BINLOG_ROW_MODE_AND_STMT_ENGINE diff --git a/sql/log_event.cc b/sql/log_event.cc index 00015ea52fe..f7c6d09f98f 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -2465,95 +2465,62 @@ Query_log_event::Query_log_event(THD* thd_arg, const char* query_arg, else time_zone_len= 0; - /* - In what follows, we decide whether to write to the binary log or to use a - cache. - */ LEX *lex= thd->lex; - bool implicit_commit= FALSE; - bool force_trans= FALSE; + /* + TRUE defines that either a trx-cache or stmt-cache must be used + and wrapped by a BEGIN...COMMIT. Otherwise, the statement will + be written directly to the binary log without being wrapped by + a BEGIN...COMMIT. + + Note that a cache will not be used if the parameter direct is + TRUE. + */ + bool use_cache= FALSE; + /* + TRUE defines that the trx-cache must be used and by consequence + the use_cache is TRUE. + + Note that a cache will not be used if the parameter direct is + TRUE. + */ + bool trx_cache= FALSE; cache_type= Log_event::EVENT_INVALID_CACHE; + switch (lex->sql_command) { - case SQLCOM_ALTER_DB: - case SQLCOM_CREATE_FUNCTION: - case SQLCOM_DROP_FUNCTION: - case SQLCOM_DROP_PROCEDURE: - case SQLCOM_INSTALL_PLUGIN: - case SQLCOM_UNINSTALL_PLUGIN: - case SQLCOM_ALTER_TABLESPACE: - implicit_commit= TRUE; - break; case SQLCOM_DROP_TABLE: - force_trans= lex->drop_temporary && thd->in_multi_stmt_transaction_mode(); - implicit_commit= !force_trans; - break; - case SQLCOM_ALTER_TABLE: + use_cache= trx_cache= (lex->drop_temporary && + thd->in_multi_stmt_transaction_mode()); + break; + case SQLCOM_CREATE_TABLE: - force_trans= (lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) && - thd->in_multi_stmt_transaction_mode(); - implicit_commit= !force_trans && - !(lex->select_lex.item_list.elements && - thd->is_current_stmt_binlog_format_row()); + use_cache= trx_cache= + ((lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) && + thd->in_multi_stmt_transaction_mode()) || + (lex->select_lex.item_list.elements && + thd->is_current_stmt_binlog_format_row()); break; case SQLCOM_SET_OPTION: - implicit_commit= (lex->autocommit ? TRUE : FALSE); + use_cache= trx_cache= (lex->autocommit ? FALSE : TRUE); break; - /* - Replace what follows after CF_AUTO_COMMIT_TRANS is backported by: - - default: - implicit_commit= ((sql_command_flags[lex->sql_command] & - CF_AUTO_COMMIT_TRANS)); - break; - */ - case SQLCOM_CREATE_INDEX: - case SQLCOM_TRUNCATE: - case SQLCOM_CREATE_DB: - case SQLCOM_DROP_DB: - case SQLCOM_ALTER_DB_UPGRADE: - case SQLCOM_RENAME_TABLE: - case SQLCOM_DROP_INDEX: - case SQLCOM_CREATE_VIEW: - case SQLCOM_DROP_VIEW: - case SQLCOM_CREATE_TRIGGER: - case SQLCOM_DROP_TRIGGER: - case SQLCOM_CREATE_EVENT: - case SQLCOM_ALTER_EVENT: - case SQLCOM_DROP_EVENT: - case SQLCOM_REPAIR: - case SQLCOM_OPTIMIZE: - case SQLCOM_ANALYZE: - case SQLCOM_CREATE_USER: - case SQLCOM_DROP_USER: - case SQLCOM_RENAME_USER: - case SQLCOM_REVOKE_ALL: - case SQLCOM_REVOKE: - case SQLCOM_GRANT: - case SQLCOM_CREATE_PROCEDURE: - case SQLCOM_CREATE_SPFUNCTION: - case SQLCOM_ALTER_PROCEDURE: - case SQLCOM_ALTER_FUNCTION: - case SQLCOM_ASSIGN_TO_KEYCACHE: - case SQLCOM_PRELOAD_KEYS: - case SQLCOM_FLUSH: - case SQLCOM_RESET: - case SQLCOM_CHECK: - implicit_commit= TRUE; + case SQLCOM_RELEASE_SAVEPOINT: + case SQLCOM_ROLLBACK_TO_SAVEPOINT: + case SQLCOM_SAVEPOINT: + use_cache= trx_cache= TRUE; break; default: - implicit_commit= FALSE; + use_cache= sqlcom_can_generate_row_events(thd); break; } - if (implicit_commit || direct) + if (!use_cache || direct) { cache_type= Log_event::EVENT_NO_CACHE; } else { - cache_type= ((using_trans || stmt_has_updated_trans_table(thd) || - force_trans || thd->thread_temporary_used) + cache_type= ((using_trans || stmt_has_updated_trans_table(thd) + || trx_cache || thd->thread_temporary_used) ? Log_event::EVENT_TRANSACTIONAL_CACHE : Log_event::EVENT_STMT_CACHE); } diff --git a/sql/share/errmsg-utf8.txt b/sql/share/errmsg-utf8.txt index f6ed6330749..9c2cb40badc 100644 --- a/sql/share/errmsg-utf8.txt +++ b/sql/share/errmsg-utf8.txt @@ -6335,7 +6335,7 @@ ER_BINLOG_UNSAFE_MULTIPLE_ENGINES_AND_SELF_LOGGING_ENGINE eng "Mixing self-logging and non-self-logging engines in a statement is unsafe." ER_BINLOG_UNSAFE_MIXED_STATEMENT - eng "Statements that read from both transactional (or a temporary table of any engine type) and non-transactional tables and write to any of them are unsafe." + eng "Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them." ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN eng "Cannot modify @@session.sql_log_bin inside a transaction" @@ -6343,4 +6343,3 @@ ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN ER_STORED_FUNCTION_PREVENTS_SWITCH_SQL_LOG_BIN eng "Cannot change the sql_log_bin inside a stored function or trigger" - diff --git a/sql/sql_class.cc b/sql/sql_class.cc index dfe17fe5779..b090f35a607 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -3192,6 +3192,11 @@ extern "C" bool thd_binlog_filter_ok(const MYSQL_THD thd) { return binlog_filter->db_ok(thd->db); } + +extern "C" bool thd_sqlcom_can_generate_row_events(const MYSQL_THD thd) +{ + return sqlcom_can_generate_row_events(thd); +} #endif // INNODB_COMPATIBILITY_HOOKS */ /**************************************************************************** @@ -3917,7 +3922,8 @@ int THD::decide_logging_format(TABLE_LIST *tables) */ my_error((error= ER_BINLOG_ROW_INJECTION_AND_STMT_ENGINE), MYF(0)); } - else if (variables.binlog_format == BINLOG_FORMAT_ROW) + else if (variables.binlog_format == BINLOG_FORMAT_ROW && + sqlcom_can_generate_row_events(this)) { /* 2. Error: Cannot modify table that uses a storage engine @@ -3955,7 +3961,8 @@ int THD::decide_logging_format(TABLE_LIST *tables) */ my_error((error= ER_BINLOG_ROW_INJECTION_AND_STMT_MODE), MYF(0)); } - else if ((flags_write_all_set & HA_BINLOG_STMT_CAPABLE) == 0) + else if ((flags_write_all_set & HA_BINLOG_STMT_CAPABLE) == 0 && + sqlcom_can_generate_row_events(this)) { /* 5. Error: Cannot modify table that uses a storage engine diff --git a/sql/sql_class.h b/sql/sql_class.h index 15aef33bcb3..015a87cb5cc 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -3619,6 +3619,12 @@ public: */ #define CF_PROTECT_AGAINST_GRL (1U << 10) +/** + Identifies statements that may generate row events + and that may end up in the binary log. +*/ +#define CF_CAN_GENERATE_ROW_EVENTS (1U << 11) + /* Bits in server_command_flags */ /** diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index 90d0a52d40d..06bebe76842 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -247,8 +247,19 @@ void init_update_queries(void) /* Initialize the sql command flags array. */ memset(sql_command_flags, 0, sizeof(sql_command_flags)); + /* + In general, DDL statements do not generate row events and do not go + through a cache before being written to the binary log. However, the + CREATE TABLE...SELECT is an exception because it may generate row + events. For that reason, the SQLCOM_CREATE_TABLE which represents + a CREATE TABLE, including the CREATE TABLE...SELECT, has the + CF_CAN_GENERATE_ROW_EVENTS flag. The distinction between a regular + CREATE TABLE and the CREATE TABLE...SELECT is made in other parts of + the code, in particular in the Query_log_event's constructor. + */ sql_command_flags[SQLCOM_CREATE_TABLE]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_AUTO_COMMIT_TRANS | CF_PROTECT_AGAINST_GRL; + CF_AUTO_COMMIT_TRANS | CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_CREATE_INDEX]= CF_CHANGES_DATA | CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_ALTER_TABLE]= CF_CHANGES_DATA | CF_WRITE_LOGS_COMMAND | CF_AUTO_COMMIT_TRANS | CF_PROTECT_AGAINST_GRL; @@ -256,7 +267,8 @@ void init_update_queries(void) CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_DROP_TABLE]= CF_CHANGES_DATA | CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_LOAD]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_CREATE_DB]= CF_CHANGES_DATA | CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_DROP_DB]= CF_CHANGES_DATA | CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_ALTER_DB_UPGRADE]= CF_AUTO_COMMIT_TRANS; @@ -275,22 +287,32 @@ void init_update_queries(void) sql_command_flags[SQLCOM_DROP_TRIGGER]= CF_AUTO_COMMIT_TRANS; sql_command_flags[SQLCOM_UPDATE]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_UPDATE_MULTI]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_INSERT]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_INSERT_SELECT]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_DELETE]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_DELETE_MULTI]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | - CF_PROTECT_AGAINST_GRL; - sql_command_flags[SQLCOM_REPLACE]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE; - sql_command_flags[SQLCOM_REPLACE_SELECT]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE; - sql_command_flags[SQLCOM_SELECT]= CF_REEXECUTION_FRAGILE; + CF_PROTECT_AGAINST_GRL | + CF_CAN_GENERATE_ROW_EVENTS; + sql_command_flags[SQLCOM_REPLACE]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | + CF_CAN_GENERATE_ROW_EVENTS; + sql_command_flags[SQLCOM_REPLACE_SELECT]= CF_CHANGES_DATA | CF_REEXECUTION_FRAGILE | + CF_CAN_GENERATE_ROW_EVENTS; + sql_command_flags[SQLCOM_SELECT]= CF_REEXECUTION_FRAGILE | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_SET_OPTION]= CF_REEXECUTION_FRAGILE | CF_AUTO_COMMIT_TRANS; - sql_command_flags[SQLCOM_DO]= CF_REEXECUTION_FRAGILE; + sql_command_flags[SQLCOM_DO]= CF_REEXECUTION_FRAGILE | + CF_CAN_GENERATE_ROW_EVENTS; sql_command_flags[SQLCOM_SHOW_STATUS_PROC]= CF_STATUS_COMMAND | CF_REEXECUTION_FRAGILE; sql_command_flags[SQLCOM_SHOW_STATUS]= CF_STATUS_COMMAND | CF_REEXECUTION_FRAGILE; @@ -365,7 +387,9 @@ void init_update_queries(void) last called (or executed) statement is preserved. See mysql_execute_command() for how CF_ROW_COUNT is used. */ - sql_command_flags[SQLCOM_CALL]= CF_REEXECUTION_FRAGILE; + sql_command_flags[SQLCOM_CALL]= CF_REEXECUTION_FRAGILE | + CF_CAN_GENERATE_ROW_EVENTS; + sql_command_flags[SQLCOM_EXECUTE]= CF_CAN_GENERATE_ROW_EVENTS; /* The following admin table operations are allowed @@ -390,7 +414,12 @@ void init_update_queries(void) sql_command_flags[SQLCOM_CHECK]= CF_AUTO_COMMIT_TRANS; } - +bool sqlcom_can_generate_row_events(const THD *thd) +{ + return (sql_command_flags[thd->lex->sql_command] & + CF_CAN_GENERATE_ROW_EVENTS); +} + bool is_update_query(enum enum_sql_command command) { DBUG_ASSERT(command >= 0 && command <= SQLCOM_END); diff --git a/sql/sql_parse.h b/sql/sql_parse.h index e1543a09549..6d968033ccd 100644 --- a/sql/sql_parse.h +++ b/sql/sql_parse.h @@ -79,6 +79,7 @@ bool check_host_name(LEX_STRING *str); bool check_identifier_name(LEX_STRING *str, uint max_char_length, uint err_code, const char *param_for_err_msg); bool mysql_test_parse_for_slave(THD *thd,char *inBuf,uint length); +bool sqlcom_can_generate_row_events(const THD *thd); bool is_update_query(enum enum_sql_command command); bool is_log_table_write_query(enum enum_sql_command command); bool alloc_query(THD *thd, const char *packet, uint packet_length); diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 710841daf55..0311aa60116 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -8608,7 +8608,9 @@ ha_innobase::external_lock( if (lock_type == F_WRLCK && !(table_flags() & HA_BINLOG_STMT_CAPABLE) && thd_binlog_format(thd) == BINLOG_FORMAT_STMT - && thd_binlog_filter_ok(thd)) { + && thd_binlog_filter_ok(thd) + && thd_sqlcom_can_generate_row_events(thd)) + { int skip = 0; /* used by test case */ DBUG_EXECUTE_IF("no_innodb_binlog_errors", skip = 1;); diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h index e5bc757ed72..8f118199ad8 100644 --- a/storage/innobase/handler/ha_innodb.h +++ b/storage/innobase/handler/ha_innodb.h @@ -281,6 +281,13 @@ void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all); */ bool thd_binlog_filter_ok(const MYSQL_THD thd); #endif /* MYSQL_VERSION_ID > 50140 */ +/** + Check if the query may generate row changes which + may end up in the binary. + @param thd Thread handle + @return 1 the query may generate row changes, 0 otherwise. +*/ +bool thd_sqlcom_can_generate_row_events(const MYSQL_THD thd); } typedef struct trx_struct trx_t; From 987a04b417bc3c90537d9d4746c2352677c9b34e Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Tue, 1 Jun 2010 22:26:31 -0700 Subject: [PATCH 385/400] Fix bug #54159 InnoDB: New warnings on Windows. Provide "signed/unsigned" parameter to virtual function store() for longlong data type. rb://371 approved by Sunny. --- storage/innobase/handler/i_s.cc | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/storage/innobase/handler/i_s.cc b/storage/innobase/handler/i_s.cc index 97c1eb4dbf2..2c15a3b87db 100644 --- a/storage/innobase/handler/i_s.cc +++ b/storage/innobase/handler/i_s.cc @@ -1982,7 +1982,7 @@ i_s_dict_fill_sys_tables( table_id = ut_conv_dulint_to_longlong(table->id); - OK(fields[SYS_TABLE_ID]->store(table_id)); + OK(fields[SYS_TABLE_ID]->store(table_id, TRUE)); OK(field_store_string(fields[SYS_TABLE_NAME], table->name)); @@ -2247,7 +2247,7 @@ i_s_dict_fill_sys_tablestats( table_id = ut_conv_dulint_to_longlong(table->id); - OK(fields[SYS_TABLESTATS_ID]->store(table_id)); + OK(fields[SYS_TABLESTATS_ID]->store(table_id, TRUE)); OK(field_store_string(fields[SYS_TABLESTATS_NAME], table->name)); @@ -2259,7 +2259,7 @@ i_s_dict_fill_sys_tablestats( "Uninitialized")); } - OK(fields[SYS_TABLESTATS_NROW]->store(table->stat_n_rows)); + OK(fields[SYS_TABLESTATS_NROW]->store(table->stat_n_rows, TRUE)); OK(fields[SYS_TABLESTATS_CLUST_SIZE]->store( table->stat_clustered_index_size)); @@ -2270,7 +2270,7 @@ i_s_dict_fill_sys_tablestats( OK(fields[SYS_TABLESTATS_MODIFIED]->store( table->stat_modified_counter)); - OK(fields[SYS_TABLESTATS_AUTONINC]->store(table->autoinc)); + OK(fields[SYS_TABLESTATS_AUTONINC]->store(table->autoinc, TRUE)); OK(fields[SYS_TABLESTATS_MYSQL_OPEN_HANDLE]->store( table->n_mysql_handles_opened)); @@ -2511,11 +2511,11 @@ i_s_dict_fill_sys_indexes( table_id = ut_conv_dulint_to_longlong(tableid); index_id = ut_conv_dulint_to_longlong(index->id); - OK(fields[SYS_INDEX_ID]->store(index_id)); + OK(fields[SYS_INDEX_ID]->store(index_id, TRUE)); OK(field_store_string(fields[SYS_INDEX_NAME], index->name)); - OK(fields[SYS_INDEX_TABLE_ID]->store(table_id)); + OK(fields[SYS_INDEX_TABLE_ID]->store(table_id, TRUE)); OK(fields[SYS_INDEX_TYPE]->store(index->type)); @@ -2752,7 +2752,7 @@ i_s_dict_fill_sys_columns( table_id = ut_conv_dulint_to_longlong(tableid); - OK(fields[SYS_COLUMN_TABLE_ID]->store(table_id)); + OK(fields[SYS_COLUMN_TABLE_ID]->store(table_id, TRUE)); OK(field_store_string(fields[SYS_COLUMN_NAME], col_name)); @@ -2962,7 +2962,7 @@ i_s_dict_fill_sys_fields( index_id = ut_conv_dulint_to_longlong(indexid); - OK(fields[SYS_FIELD_INDEX_ID]->store(index_id)); + OK(fields[SYS_FIELD_INDEX_ID]->store(index_id, TRUE)); OK(field_store_string(fields[SYS_FIELD_NAME], field->name)); From 3b1cc6e357931dac8e3f15da1d34f2d27572c685 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20Bl=C3=A5udd?= Date: Wed, 2 Jun 2010 10:11:49 +0200 Subject: [PATCH 386/400] Bug#53983 Placeholder for MASTER_BIND in master.info - Reserve line 17 in master.info for master_bind which has been added in MySQL Cluster 6.3 - move the line for "list of server id for ignorable servers" to line 18 --- sql/rpl_mi.cc | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/sql/rpl_mi.cc b/sql/rpl_mi.cc index 10bf752e140..9b0450b3f02 100644 --- a/sql/rpl_mi.cc +++ b/sql/rpl_mi.cc @@ -131,8 +131,10 @@ enum { LINE_FOR_MASTER_SSL_VERIFY_SERVER_CERT= 15, /* 6.0 added value of master_heartbeat_period */ LINE_FOR_MASTER_HEARTBEAT_PERIOD= 16, + /* MySQL Cluster 6.3 added master_bind */ + LINE_FOR_MASTER_BIND = 17, /* 6.0 added value of master_ignore_server_id */ - LINE_FOR_REPLICATE_IGNORE_SERVER_IDS= 17, + LINE_FOR_REPLICATE_IGNORE_SERVER_IDS= 18, /* Number of lines currently used when saving master info file */ LINES_IN_MASTER_INFO= LINE_FOR_REPLICATE_IGNORE_SERVER_IDS }; @@ -240,6 +242,7 @@ file '%s')", fname); int ssl= 0, ssl_verify_server_cert= 0; float master_heartbeat_period= 0.0; char *first_non_digit; + char dummy_buf[HOSTNAME_LENGTH+1]; /* Starting from 4.1.x master.info has new format. Now its @@ -328,6 +331,13 @@ file '%s')", fname); if (lines >= LINE_FOR_MASTER_HEARTBEAT_PERIOD && init_floatvar_from_file(&master_heartbeat_period, &mi->file, 0.0)) goto errwithmsg; + /* + Starting from MySQL Cluster 6.3 master_bind might be in the file + (this is just a reservation to avoid future upgrade problems) + */ + if (lines >= LINE_FOR_MASTER_BIND && + init_strvar_from_file(dummy_buf, sizeof(dummy_buf), &mi->file, "")) + goto errwithmsg; /* Starting from 6.0 list of server_id of ignorable servers might be in the file @@ -480,14 +490,14 @@ int flush_master_info(Master_info* mi, my_sprintf(heartbeat_buf, (heartbeat_buf, "%.3f", mi->heartbeat_period)); my_b_seek(file, 0L); my_b_printf(file, - "%u\n%s\n%s\n%s\n%s\n%s\n%d\n%d\n%d\n%s\n%s\n%s\n%s\n%s\n%d\n%s\n%s\n", + "%u\n%s\n%s\n%s\n%s\n%s\n%d\n%d\n%d\n%s\n%s\n%s\n%s\n%s\n%d\n%s\n%s\n%s\n", LINES_IN_MASTER_INFO, mi->master_log_name, llstr(mi->master_log_pos, lbuf), mi->host, mi->user, mi->password, mi->port, mi->connect_retry, (int)(mi->ssl), mi->ssl_ca, mi->ssl_capath, mi->ssl_cert, mi->ssl_cipher, mi->ssl_key, mi->ssl_verify_server_cert, - heartbeat_buf, ignore_server_ids_buf); + heartbeat_buf, "", ignore_server_ids_buf); my_free(ignore_server_ids_buf, MYF(0)); err= flush_io_cache(file); if (sync_masterinfo_period && !err && From 2400a20c9b6efb909180e8386368da7acc128f84 Mon Sep 17 00:00:00 2001 From: Jonathan Perkin Date: Wed, 2 Jun 2010 11:38:13 +0100 Subject: [PATCH 387/400] Revert Oracle Enterprise Linux changes. --- support-files/mysql.spec.sh | 65 +++++++++++++------------------------ 1 file changed, 23 insertions(+), 42 deletions(-) diff --git a/support-files/mysql.spec.sh b/support-files/mysql.spec.sh index 4ea34f13ce9..bb15b27cd1f 100644 --- a/support-files/mysql.spec.sh +++ b/support-files/mysql.spec.sh @@ -121,62 +121,43 @@ %define distro_specific 0 %endif %if %{distro_specific} - %if %(test -f /etc/enterprise-release && echo 1 || echo 0) - %define elver %(rpm -qf --qf '%%{version}\\n' /etc/enterprise-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') - %if "%elver" == "4" - %define distro_description Oracle Enterprise Linux 4 - %define distro_releasetag el4 + %if %(test -f /etc/redhat-release && echo 1 || echo 0) + %define rhelver %(rpm -qf --qf '%%{version}\\n' /etc/redhat-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') + %if "%rhelver" == "4" + %define distro_description Red Hat Enterprise Linux 4 + %define distro_releasetag rhel4 %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel %define distro_requires chkconfig coreutils grep procps shadow-utils %else - %if "%elver" == "5" - %define distro_description Oracle Enterprise Linux 5 - %define distro_releasetag el5 + %if "%rhelver" == "5" + %define distro_description Red Hat Enterprise Linux 5 + %define distro_releasetag rhel5 %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel %define distro_requires chkconfig coreutils grep procps shadow-utils %else - %{error:Oracle Enterprise Linux %{elver} is unsupported} + %{error:Red Hat Enterprise Linux %{rhelver} is unsupported} %endif %endif %else - %if %(test -f /etc/redhat-release && echo 1 || echo 0) - %define rhelver %(rpm -qf --qf '%%{version}\\n' /etc/redhat-release | sed -e 's/^\\([0-9]*\\).*/\\1/g') - %if "%rhelver" == "4" - %define distro_description Red Hat Enterprise Linux 4 - %define distro_releasetag rhel4 - %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel - %define distro_requires chkconfig coreutils grep procps shadow-utils + %if %(test -f /etc/SuSE-release && echo 1 || echo 0) + %define susever %(rpm -qf --qf '%%{version}\\n' /etc/SuSE-release) + %if "%susever" == "10" + %define distro_description SUSE Linux Enterprise Server 10 + %define distro_releasetag sles10 + %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client readline-devel zlib-devel + %define distro_requires aaa_base coreutils grep procps pwdutils %else - %if "%rhelver" == "5" - %define distro_description Red Hat Enterprise Linux 5 - %define distro_releasetag rhel5 - %define distro_buildreq gcc-c++ gperf ncurses-devel perl readline-devel time zlib-devel - %define distro_requires chkconfig coreutils grep procps shadow-utils + %if "%susever" == "11" + %define distro_description SUSE Linux Enterprise Server 11 + %define distro_releasetag sles11 + %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client procps pwdutils readline-devel zlib-devel + %define distro_requires aaa_base coreutils grep procps pwdutils %else - %{error:Red Hat Enterprise Linux %{rhelver} is unsupported} + %{error:SuSE %{susever} is unsupported} %endif %endif %else - %if %(test -f /etc/SuSE-release && echo 1 || echo 0) - %define susever %(rpm -qf --qf '%%{version}\\n' /etc/SuSE-release) - %if "%susever" == "10" - %define distro_description SUSE Linux Enterprise Server 10 - %define distro_releasetag sles10 - %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client readline-devel zlib-devel - %define distro_requires aaa_base coreutils grep procps pwdutils - %else - %if "%susever" == "11" - %define distro_description SUSE Linux Enterprise Server 11 - %define distro_releasetag sles11 - %define distro_buildreq gcc-c++ gdbm-devel gperf ncurses-devel openldap2-client procps pwdutils readline-devel zlib-devel - %define distro_requires aaa_base coreutils grep procps pwdutils - %else - %{error:SuSE %{susever} is unsupported} - %endif - %endif - %else - %{error:Unsupported distribution} - %endif + %{error:Unsupported distribution} %endif %endif %else From f2a9896c471ea2b8a9b1766ba7414d73be7702b1 Mon Sep 17 00:00:00 2001 From: He Zhenxing Date: Wed, 2 Jun 2010 18:57:52 +0800 Subject: [PATCH 388/400] Post fix for bug#52748 --- plugin/semisync/semisync_master.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/plugin/semisync/semisync_master.cc b/plugin/semisync/semisync_master.cc index 20d1c6d609c..c7e5bdeb9a6 100644 --- a/plugin/semisync/semisync_master.cc +++ b/plugin/semisync/semisync_master.cc @@ -1126,12 +1126,13 @@ int ReplSemiSyncMaster::readSlaveReply(NET *net, uint32 server_id, log_file_pos = uint8korr(packet + REPLY_BINLOG_POS_OFFSET); log_file_len = packet_len - REPLY_BINLOG_NAME_OFFSET; - if (log_file_len > FN_REFLEN) + if (log_file_len >= FN_REFLEN) { sql_print_error("Read semi-sync reply binlog file length too large"); goto l_end; } strncpy(log_file_name, (const char*)packet + REPLY_BINLOG_NAME_OFFSET, log_file_len); + log_file_name[log_file_len] = 0; if (trc_level & kTraceDetail) sql_print_information("%s: Got reply (%s, %lu)", From b59ef3c5eceb7c1917bbd329cebcbb773db03956 Mon Sep 17 00:00:00 2001 From: Jimmy Yang Date: Wed, 2 Jun 2010 04:04:00 -0700 Subject: [PATCH 389/400] Port bug fix #53592 from mysql-5.1-innodb to mysql-trunk-innodb. --- .../suite/innodb/r/innodb_bug53592.result | 43 ++++++++++ .../suite/innodb/t/innodb_bug53592.test | 82 ++++++++++++++++++ storage/innobase/handler/ha_innodb.cc | 84 ++++++++++++++++++- storage/innobase/include/row0mysql.h | 9 -- storage/innobase/row/row0mysql.c | 31 ------- 5 files changed, 206 insertions(+), 43 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb_bug53592.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug53592.test diff --git a/mysql-test/suite/innodb/r/innodb_bug53592.result b/mysql-test/suite/innodb/r/innodb_bug53592.result new file mode 100644 index 00000000000..63b30f50413 --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug53592.result @@ -0,0 +1,43 @@ +set old_alter_table=0; +create table bug53592(a int) engine=innodb row_format=compact; +alter table bug53592 add column b text charset utf8; +alter table bug53592 add column c blob not null; +create index bug53592_b on bug53592(b(81)); +create unique index bug53592_c on bug53592(c(1)); +replace into bug53592 values (),(); +Warnings: +Warning 1364 Field 'c' doesn't have a default value +check table bug53592; +Table Op Msg_type Msg_text +test.bug53592 check status OK +drop table bug53592; +set old_alter_table=1; +create table bug53592(a int) engine=innodb row_format=compact; +alter table bug53592 add column b text charset utf8; +alter table bug53592 add column c blob not null; +create index bug53592_b on bug53592(b(81)); +create unique index bug53592_c on bug53592(c(1)); +replace into bug53592 values (),(); +Warnings: +Warning 1364 Field 'c' doesn't have a default value +check table bug53592; +Table Op Msg_type Msg_text +test.bug53592 check status OK +drop table bug53592; +CREATE TABLE bug53592_1( +col1 int, col2 int, +PRIMARY KEY (col1, col2) +) ENGINE=InnoDB; +CREATE TABLE bug53592_2 ( +col int PRIMARY KEY, +FOREIGN KEY (col) REFERENCES bug53592_1 (col1) +ON DELETE CASCADE ON UPDATE CASCADE +) ENGINE=InnoDB; +INSERT INTO bug53592_1 VALUES (1, 2); +INSERT INTO bug53592_1 VALUES (3, 4); +INSERT INTO bug53592_2 VALUES (1); +INSERT INTO bug53592_2 VALUES (3); +UPDATE bug53592_1 SET col1 = 3 WHERE col2 = 2; +ERROR 23000: Upholding foreign key constraints for table 'bug53592_1', entry '3-2', key 1 would lead to a duplicate entry +drop table bug53592_2; +drop table bug53592_1; diff --git a/mysql-test/suite/innodb/t/innodb_bug53592.test b/mysql-test/suite/innodb/t/innodb_bug53592.test new file mode 100644 index 00000000000..bc37743f6bf --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug53592.test @@ -0,0 +1,82 @@ +# Testcase for Bug #53592 - "crash replacing duplicates into +# table after fast alter table added unique key". The fix is to make +# sure index number lookup should go through "index translation table". + +--source include/have_innodb.inc + +# Use FIC for index creation +set old_alter_table=0; + +create table bug53592(a int) engine=innodb row_format=compact; + +alter table bug53592 add column b text charset utf8; + +alter table bug53592 add column c blob not null; + +# Create a non-unique nonclustered index +create index bug53592_b on bug53592(b(81)); + +# Create a unique index, this unique index should have smaller +# index number than bug53592_b, since unique index ranks higher +# than regular index does +create unique index bug53592_c on bug53592(c(1)); + +# This will trigger a dup key error and will require fetching +# the index number through a index structure for the error reporting. +# To get the correct index number, the code should go through index +# translation table. Otherwise, it will get the wrong index +# number and later trigger a server crash. +replace into bug53592 values (),(); + +check table bug53592; + +drop table bug53592; + +# Running the same set of test when "old_alter_table" is turned on +set old_alter_table=1; + +create table bug53592(a int) engine=innodb row_format=compact; + +alter table bug53592 add column b text charset utf8; + +alter table bug53592 add column c blob not null; + +# Create a non-unique nonclustered index +create index bug53592_b on bug53592(b(81)); + +# Create a unique index +create unique index bug53592_c on bug53592(c(1)); + +# This will trigger a dup key error and will require fetching +# the index number through a index structure for the error reporting. +# To get the correct index number, the code should go through index +# translation table. Otherwise, it will get the wrong index +# number and later trigger a server crash. +replace into bug53592 values (),(); + +check table bug53592; +drop table bug53592; + +# Test a dup key reported by foreign key constriant. +CREATE TABLE bug53592_1( + col1 int, col2 int, + PRIMARY KEY (col1, col2) +) ENGINE=InnoDB; + +CREATE TABLE bug53592_2 ( + col int PRIMARY KEY, + FOREIGN KEY (col) REFERENCES bug53592_1 (col1) + ON DELETE CASCADE ON UPDATE CASCADE +) ENGINE=InnoDB; + +INSERT INTO bug53592_1 VALUES (1, 2); +INSERT INTO bug53592_1 VALUES (3, 4); + +INSERT INTO bug53592_2 VALUES (1); +INSERT INTO bug53592_2 VALUES (3); + +--error ER_FOREIGN_DUPLICATE_KEY +UPDATE bug53592_1 SET col1 = 3 WHERE col2 = 2; + +drop table bug53592_2; +drop table bug53592_1; diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 710841daf55..fa48adc75ad 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -6866,7 +6866,7 @@ ha_innobase::create( (int) form->s->primary_key : -1); - /* Our function row_get_mysql_key_number_for_index assumes + /* Our function innobase_get_mysql_key_number_for_index assumes the primary key is always number 0, if it exists */ ut_a(primary_key_no == -1 || primary_key_no == 0); @@ -7582,6 +7582,84 @@ ha_innobase::read_time( return(ranges + (double) rows / (double) total_rows * time_for_scan); } +/*********************************************************************//** +Calculates the key number used inside MySQL for an Innobase index. We will +first check the "index translation table" for a match of the index to get +the index number. If there does not exist an "index translation table", +or not able to find the index in the translation table, then we will fall back +to the traditional way of looping through dict_index_t list to find a +match. In this case, we have to take into account if we generated a +default clustered index for the table +@return the key number used inside MySQL */ +static +unsigned int +innobase_get_mysql_key_number_for_index( +/*====================================*/ + INNOBASE_SHARE* share, /*!< in: share structure for index + translation table. */ + const TABLE* table, /*!< in: table in MySQL data + dictionary */ + dict_table_t* ib_table,/*!< in: table in Innodb data + dictionary */ + const dict_index_t* index) /*!< in: index */ +{ + const dict_index_t* ind; + unsigned int i; + + ut_a(index); + + /* If index does not belong to the table of share structure. Search + index->table instead */ + if (index->table != ib_table + && innobase_strcasecmp(index->table->name, share->table_name)) { + i = 0; + ind = dict_table_get_first_index(index->table); + + while (index != ind) { + ind = dict_table_get_next_index(ind); + i++; + } + + if (row_table_got_default_clust_index(index->table)) { + ut_a(i > 0); + i--; + } + + return(i); + } + + /* If index translation table exists, we will first check + the index through index translation table for a match. */ + if (share->idx_trans_tbl.index_mapping) { + for (i = 0; i < share->idx_trans_tbl.index_count; i++) { + if (share->idx_trans_tbl.index_mapping[i] == index) { + return(i); + } + } + + /* Print an error message if we cannot find the index + ** in the "index translation table". */ + sql_print_error("Cannot find index %s in InnoDB index " + "translation table.", index->name); + } + + /* If we do not have an "index translation table", or not able + to find the index in the translation table, we'll directly find + matching index with information from mysql TABLE structure and + InnoDB dict_index_t list */ + for (i = 0; i < table->s->keys; i++) { + ind = dict_table_get_index_on_name( + ib_table, table->key_info[i].name); + + if (index == ind) { + return(i); + } + } + + ut_error; + + return(0); +} /*********************************************************************//** Returns statistics information of the table to the MySQL interpreter, in various fields of the handle object. */ @@ -7851,8 +7929,8 @@ ha_innobase::info( err_index = trx_get_error_info(prebuilt->trx); if (err_index) { - errkey = (unsigned int) - row_get_mysql_key_number_for_index(err_index); + errkey = innobase_get_mysql_key_number_for_index( + share, table, ib_table, err_index); } else { errkey = (unsigned int) prebuilt->trx->error_key_num; } diff --git a/storage/innobase/include/row0mysql.h b/storage/innobase/include/row0mysql.h index bf9cda1ba80..e90742abe7c 100644 --- a/storage/innobase/include/row0mysql.h +++ b/storage/innobase/include/row0mysql.h @@ -253,15 +253,6 @@ row_table_got_default_clust_index( /*==============================*/ const dict_table_t* table); /*!< in: table */ /*********************************************************************//** -Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table -@return the key number used inside MySQL */ -UNIV_INTERN -ulint -row_get_mysql_key_number_for_index( -/*===============================*/ - const dict_index_t* index); /*!< in: index */ -/*********************************************************************//** Does an update or delete of a row for MySQL. @return error code or DB_SUCCESS */ UNIV_INTERN diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index c9b9a982bef..2cd14ba1b42 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -1647,37 +1647,6 @@ row_table_got_default_clust_index( return(dict_index_get_nth_col(clust_index, 0)->mtype == DATA_SYS); } -/*********************************************************************//** -Calculates the key number used inside MySQL for an Innobase index. We have -to take into account if we generated a default clustered index for the table -@return the key number used inside MySQL */ -UNIV_INTERN -ulint -row_get_mysql_key_number_for_index( -/*===============================*/ - const dict_index_t* index) /*!< in: index */ -{ - const dict_index_t* ind; - ulint i; - - ut_a(index); - - i = 0; - ind = dict_table_get_first_index(index->table); - - while (index != ind) { - ind = dict_table_get_next_index(ind); - i++; - } - - if (row_table_got_default_clust_index(index->table)) { - ut_a(i > 0); - i--; - } - - return(i); -} - /*********************************************************************//** Locks the data dictionary in shared mode from modifications, for performing foreign key check, rollback, or other operation invisible to MySQL. */ From 765c195e851eef7cf5b5ec5900c7bd21691c56f4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 2 Jun 2010 14:34:41 +0300 Subject: [PATCH 390/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3493 revision-id: marko.makela@oracle.com-20100602101940-60x32xiivtqj9va1 parent: marko.makela@oracle.com-20100601135802-hgplcpr8089ura8g committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-06-02 13:19:40 +0300 message: fil_print_orphaned_tablespaces(): Unused function, remove. --- storage/innobase/fil/fil0fil.c | 33 ------------------------------ storage/innobase/include/fil0fil.h | 10 --------- 2 files changed, 43 deletions(-) diff --git a/storage/innobase/fil/fil0fil.c b/storage/innobase/fil/fil0fil.c index ce788ed0bfc..0d033c37879 100644 --- a/storage/innobase/fil/fil0fil.c +++ b/storage/innobase/fil/fil0fil.c @@ -3564,39 +3564,6 @@ next_datadir_item: return(err); } -/********************************************************************//** -If we need crash recovery, and we have called -fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), -we can call this function to print an error message of orphaned .ibd files -for which there is not a data dictionary entry with a matching table name -and space id. */ -UNIV_INTERN -void -fil_print_orphaned_tablespaces(void) -/*================================*/ -{ - fil_space_t* space; - - mutex_enter(&fil_system->mutex); - - space = UT_LIST_GET_FIRST(fil_system->space_list); - - while (space) { - if (space->purpose == FIL_TABLESPACE && space->id != 0 - && !space->mark) { - fputs("InnoDB: Warning: tablespace ", stderr); - ut_print_filename(stderr, space->name); - fprintf(stderr, " of id %lu has no matching table in\n" - "InnoDB: the InnoDB data dictionary.\n", - (ulong) space->id); - } - - space = UT_LIST_GET_NEXT(space_list, space); - } - - mutex_exit(&fil_system->mutex); -} - /*******************************************************************//** Returns TRUE if a single-table tablespace does not exist in the memory cache, or is being deleted there. diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h index 067b8898599..c746915844b 100644 --- a/storage/innobase/include/fil0fil.h +++ b/storage/innobase/include/fil0fil.h @@ -506,16 +506,6 @@ UNIV_INTERN ulint fil_load_single_table_tablespaces(void); /*===================================*/ -/********************************************************************//** -If we need crash recovery, and we have called -fil_load_single_table_tablespaces() and dict_load_single_table_tablespaces(), -we can call this function to print an error message of orphaned .ibd files -for which there is not a data dictionary entry with a matching table name -and space id. */ -UNIV_INTERN -void -fil_print_orphaned_tablespaces(void); -/*================================*/ /*******************************************************************//** Returns TRUE if a single-table tablespace does not exist in the memory cache, or is being deleted there. From 823439c40236cbdb943b7a64f07ef697ac0b03e4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 2 Jun 2010 14:37:33 +0300 Subject: [PATCH 391/400] Merge from mysql-5.1-innodb: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------------------------------------------------------ revno: 3495 committer: Marko Mäkelä branch nick: 5.1-innodb timestamp: Wed 2010-06-02 13:37:14 +0300 message: Bug#53674: InnoDB: Error: unlock row could not find a 4 mode lock on the record In semi-consistent read, only unlock freshly locked non-matching records. lock_rec_lock_fast(): Return LOCK_REC_SUCCESS, LOCK_REC_SUCCESS_CREATED, or LOCK_REC_FAIL instead of TRUE/FALSE. enum db_err: Add DB_SUCCESS_LOCKED_REC for indicating a successful operation where a record lock was created. lock_sec_rec_read_check_and_lock(), lock_clust_rec_read_check_and_lock(), lock_rec_enqueue_waiting(), lock_rec_lock_slow(), lock_rec_lock(), row_ins_set_shared_rec_lock(), row_ins_set_exclusive_rec_lock(), sel_set_rec_lock(), row_sel_get_clust_rec_for_mysql(): Return DB_SUCCESS_LOCKED_REC if a new record lock was created. Adjust callers. row_unlock_for_mysql(): Correct the function documentation. row_prebuilt_t::new_rec_locks: Correct the documentation. --- .../suite/innodb/r/innodb_bug53674.result | 11 ++ .../suite/innodb/t/innodb_bug53674-master.opt | 1 + .../suite/innodb/t/innodb_bug53674.test | 8 + storage/innobase/include/db0err.h | 2 + storage/innobase/include/lock0lock.h | 12 +- storage/innobase/include/row0mysql.h | 54 ++++--- storage/innobase/lock/lock0lock.c | 138 +++++++++++------- storage/innobase/row/row0ins.c | 130 +++++++++-------- storage/innobase/row/row0mysql.c | 31 ++-- storage/innobase/row/row0sel.c | 132 +++++++++++------ 10 files changed, 308 insertions(+), 211 deletions(-) create mode 100644 mysql-test/suite/innodb/r/innodb_bug53674.result create mode 100644 mysql-test/suite/innodb/t/innodb_bug53674-master.opt create mode 100644 mysql-test/suite/innodb/t/innodb_bug53674.test diff --git a/mysql-test/suite/innodb/r/innodb_bug53674.result b/mysql-test/suite/innodb/r/innodb_bug53674.result new file mode 100644 index 00000000000..c4021c2e7cd --- /dev/null +++ b/mysql-test/suite/innodb/r/innodb_bug53674.result @@ -0,0 +1,11 @@ +create table bug53674(a int)engine=innodb; +insert into bug53674 values (1),(2); +start transaction; +select * from bug53674 for update; +a +1 +2 +select * from bug53674 where a=(select a from bug53674 where a > 1); +a +2 +drop table bug53674; diff --git a/mysql-test/suite/innodb/t/innodb_bug53674-master.opt b/mysql-test/suite/innodb/t/innodb_bug53674-master.opt new file mode 100644 index 00000000000..f1cfd7ab6c7 --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug53674-master.opt @@ -0,0 +1 @@ +--log-bin --innodb-locks-unsafe-for-binlog --binlog-format=mixed diff --git a/mysql-test/suite/innodb/t/innodb_bug53674.test b/mysql-test/suite/innodb/t/innodb_bug53674.test new file mode 100644 index 00000000000..47f67f109c3 --- /dev/null +++ b/mysql-test/suite/innodb/t/innodb_bug53674.test @@ -0,0 +1,8 @@ +-- source include/have_innodb.inc + +create table bug53674(a int)engine=innodb; +insert into bug53674 values (1),(2); +start transaction; +select * from bug53674 for update; +select * from bug53674 where a=(select a from bug53674 where a > 1); +drop table bug53674; diff --git a/storage/innobase/include/db0err.h b/storage/innobase/include/db0err.h index d339eb73fb9..f84ce2d15aa 100644 --- a/storage/innobase/include/db0err.h +++ b/storage/innobase/include/db0err.h @@ -28,6 +28,8 @@ Created 5/24/1996 Heikki Tuuri enum db_err { + DB_SUCCESS_LOCKED_REC = 9, /*!< like DB_SUCCESS, but a new + explicit record lock was created */ DB_SUCCESS = 10, /* The following are error codes */ diff --git a/storage/innobase/include/lock0lock.h b/storage/innobase/include/lock0lock.h index bdc11282dac..0319c0e9261 100644 --- a/storage/innobase/include/lock0lock.h +++ b/storage/innobase/include/lock0lock.h @@ -340,11 +340,12 @@ lock_sec_rec_modify_check_and_lock( que_thr_t* thr, /*!< in: query thread */ mtr_t* mtr); /*!< in/out: mini-transaction */ /*********************************************************************//** -Like the counterpart for a clustered index below, but now we read a +Like lock_clust_rec_read_check_and_lock(), but reads a secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ UNIV_INTERN -ulint +enum db_err lock_sec_rec_read_check_and_lock( /*=============================*/ ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG @@ -371,9 +372,10 @@ if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode lock on the record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ UNIV_INTERN -ulint +enum db_err lock_clust_rec_read_check_and_lock( /*===============================*/ ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG diff --git a/storage/innobase/include/row0mysql.h b/storage/innobase/include/row0mysql.h index e90742abe7c..39ea240772c 100644 --- a/storage/innobase/include/row0mysql.h +++ b/storage/innobase/include/row0mysql.h @@ -264,27 +264,26 @@ row_update_for_mysql( row_prebuilt_t* prebuilt); /*!< in: prebuilt struct in MySQL handle */ /*********************************************************************//** -This can only be used when srv_locks_unsafe_for_binlog is TRUE or -session is using a READ COMMITTED isolation level. Before -calling this function we must use trx_reset_new_rec_lock_info() and -trx_register_new_rec_lock() to store the information which new record locks -really were set. This function removes a newly set lock under prebuilt->pcur, -and also under prebuilt->clust_pcur. Currently, this is only used and tested -in the case of an UPDATE or a DELETE statement, where the row lock is of the -LOCK_X type. -Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. -@return error code or DB_SUCCESS */ +This can only be used when srv_locks_unsafe_for_binlog is TRUE or this +session is using a READ COMMITTED or READ UNCOMMITTED isolation level. +Before calling this function row_search_for_mysql() must have +initialized prebuilt->new_rec_locks to store the information which new +record locks really were set. This function removes a newly set +clustered index record lock under prebuilt->pcur or +prebuilt->clust_pcur. Thus, this implements a 'mini-rollback' that +releases the latest clustered index record lock we set. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_unlock_for_mysql( /*=================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct in MySQL handle */ - ibool has_latches_on_recs);/*!< TRUE if called so that we have - the latches on the records under pcur - and clust_pcur, and we do not need to - reposition the cursors. */ + ibool has_latches_on_recs);/*!< in: TRUE if called + so that we have the latches on + the records under pcur and + clust_pcur, and we do not need + to reposition the cursors. */ /*********************************************************************//** Creates an query graph node of 'update' type to be used in the MySQL interface. @@ -702,18 +701,17 @@ struct row_prebuilt_struct { ulint new_rec_locks; /*!< normally 0; if srv_locks_unsafe_for_binlog is TRUE or session is using READ - COMMITTED isolation level, in a - cursor search, if we set a new - record lock on an index, this is - incremented; this is used in - releasing the locks under the - cursors if we are performing an - UPDATE and we determine after - retrieving the row that it does - not need to be locked; thus, - these can be used to implement a - 'mini-rollback' that releases - the latest record locks */ + COMMITTED or READ UNCOMMITTED + isolation level, set in + row_search_for_mysql() if we set a new + record lock on the secondary + or clustered index; this is + used in row_unlock_for_mysql() + when releasing the lock under + the cursor if we determine + after retrieving the row that + it does not need to be locked + ('mini-rollback') */ ulint mysql_prefix_len;/*!< byte offset of the end of the last requested column */ ulint mysql_row_len; /*!< length in bytes of a row in the diff --git a/storage/innobase/lock/lock0lock.c b/storage/innobase/lock/lock0lock.c index bde08ff59cd..0e57a52666e 100644 --- a/storage/innobase/lock/lock0lock.c +++ b/storage/innobase/lock/lock0lock.c @@ -1733,11 +1733,11 @@ lock_rec_create( Enqueues a waiting request for a lock which cannot be granted immediately. Checks for deadlocks. @return DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED, or -DB_SUCCESS; DB_SUCCESS means that there was a deadlock, but another -transaction was chosen as a victim, and we got the lock immediately: -no need to wait then */ +DB_SUCCESS_LOCKED_REC; DB_SUCCESS_LOCKED_REC means that +there was a deadlock, but another transaction was chosen as a victim, +and we got the lock immediately: no need to wait then */ static -ulint +enum db_err lock_rec_enqueue_waiting( /*=====================*/ ulint type_mode,/*!< in: lock mode this @@ -1809,7 +1809,7 @@ lock_rec_enqueue_waiting( if (trx->wait_lock == NULL) { - return(DB_SUCCESS); + return(DB_SUCCESS_LOCKED_REC); } trx->que_state = TRX_QUE_LOCK_WAIT; @@ -1925,6 +1925,16 @@ somebody_waits: return(lock_rec_create(type_mode, block, heap_no, index, trx)); } +/** Record locking request status */ +enum lock_rec_req_status { + /** Failed to acquire a lock */ + LOCK_REC_FAIL, + /** Succeeded in acquiring a lock (implicit or already acquired) */ + LOCK_REC_SUCCESS, + /** Explicitly created a new lock */ + LOCK_REC_SUCCESS_CREATED +}; + /*********************************************************************//** This is a fast routine for locking a record in the most common cases: there are no explicit locks on the page, or there is just one lock, owned @@ -1932,9 +1942,9 @@ by this transaction, and of the right type_mode. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key lock, or in the case of a page supremum record, a gap type lock. -@return TRUE if locking succeeded */ +@return whether the locking succeeded */ UNIV_INLINE -ibool +enum lock_rec_req_status lock_rec_lock_fast( /*===============*/ ibool impl, /*!< in: if TRUE, no lock is set @@ -1973,19 +1983,19 @@ lock_rec_lock_fast( lock_rec_create(mode, block, heap_no, index, trx); } - return(TRUE); + return(LOCK_REC_SUCCESS_CREATED); } if (lock_rec_get_next_on_page(lock)) { - return(FALSE); + return(LOCK_REC_FAIL); } if (lock->trx != trx || lock->type_mode != (mode | LOCK_REC) || lock_rec_get_n_bits(lock) <= heap_no) { - return(FALSE); + return(LOCK_REC_FAIL); } if (!impl) { @@ -1994,10 +2004,11 @@ lock_rec_lock_fast( if (!lock_rec_get_nth_bit(lock, heap_no)) { lock_rec_set_nth_bit(lock, heap_no); + return(LOCK_REC_SUCCESS_CREATED); } } - return(TRUE); + return(LOCK_REC_SUCCESS); } /*********************************************************************//** @@ -2005,9 +2016,10 @@ This is the general, and slower, routine for locking a record. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key lock, or in the case of a page supremum record, a gap type lock. -@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ static -ulint +enum db_err lock_rec_lock_slow( /*===============*/ ibool impl, /*!< in: if TRUE, no lock is set @@ -2024,7 +2036,6 @@ lock_rec_lock_slow( que_thr_t* thr) /*!< in: query thread */ { trx_t* trx; - ulint err; ut_ad(mutex_own(&kernel_mutex)); ut_ad((LOCK_MODE_MASK & mode) != LOCK_S @@ -2043,27 +2054,23 @@ lock_rec_lock_slow( /* The trx already has a strong enough lock on rec: do nothing */ - err = DB_SUCCESS; } else if (lock_rec_other_has_conflicting(mode, block, heap_no, trx)) { /* If another transaction has a non-gap conflicting request in the queue, as this transaction does not have a lock strong enough already granted on the record, we have to wait. */ - err = lock_rec_enqueue_waiting(mode, block, heap_no, - index, thr); - } else { - if (!impl) { - /* Set the requested lock on the record */ + return(lock_rec_enqueue_waiting(mode, block, heap_no, + index, thr)); + } else if (!impl) { + /* Set the requested lock on the record */ - lock_rec_add_to_queue(LOCK_REC | mode, block, - heap_no, index, trx); - } - - err = DB_SUCCESS; + lock_rec_add_to_queue(LOCK_REC | mode, block, + heap_no, index, trx); + return(DB_SUCCESS_LOCKED_REC); } - return(err); + return(DB_SUCCESS); } /*********************************************************************//** @@ -2072,9 +2079,10 @@ possible, enqueues a waiting lock request. This is a low-level function which does NOT look at implicit locks! Checks lock compatibility within explicit locks. This function sets a normal next-key lock, or in the case of a page supremum record, a gap type lock. -@return DB_SUCCESS, DB_LOCK_WAIT, or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ static -ulint +enum db_err lock_rec_lock( /*==========*/ ibool impl, /*!< in: if TRUE, no lock is set @@ -2090,8 +2098,6 @@ lock_rec_lock( dict_index_t* index, /*!< in: index of record */ que_thr_t* thr) /*!< in: query thread */ { - ulint err; - ut_ad(mutex_own(&kernel_mutex)); ut_ad((LOCK_MODE_MASK & mode) != LOCK_S || lock_table_has(thr_get_trx(thr), index->table, LOCK_IS)); @@ -2103,18 +2109,20 @@ lock_rec_lock( || mode - (LOCK_MODE_MASK & mode) == LOCK_REC_NOT_GAP || mode - (LOCK_MODE_MASK & mode) == 0); - if (lock_rec_lock_fast(impl, mode, block, heap_no, index, thr)) { - - /* We try a simplified and faster subroutine for the most - common cases */ - - err = DB_SUCCESS; - } else { - err = lock_rec_lock_slow(impl, mode, block, - heap_no, index, thr); + /* We try a simplified and faster subroutine for the most + common cases */ + switch (lock_rec_lock_fast(impl, mode, block, heap_no, index, thr)) { + case LOCK_REC_SUCCESS: + return(DB_SUCCESS); + case LOCK_REC_SUCCESS_CREATED: + return(DB_SUCCESS_LOCKED_REC); + case LOCK_REC_FAIL: + return(lock_rec_lock_slow(impl, mode, block, + heap_no, index, thr)); } - return(err); + ut_error; + return(DB_ERROR); } /*********************************************************************//** @@ -5072,7 +5080,14 @@ lock_rec_insert_check_and_lock( lock_mutex_exit_kernel(); - if ((err == DB_SUCCESS) && !dict_index_is_clust(index)) { + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + /* fall through */ + case DB_SUCCESS: + if (dict_index_is_clust(index)) { + break; + } /* Update the page max trx id field */ page_update_max_trx_id(block, buf_block_get_page_zip(block), @@ -5195,6 +5210,10 @@ lock_clust_rec_modify_check_and_lock( ut_ad(lock_rec_queue_validate(block, rec, index, offsets)); + if (UNIV_UNLIKELY(err == DB_SUCCESS_LOCKED_REC)) { + err = DB_SUCCESS; + } + return(err); } @@ -5261,22 +5280,27 @@ lock_sec_rec_modify_check_and_lock( } #endif /* UNIV_DEBUG */ - if (err == DB_SUCCESS) { + if (err == DB_SUCCESS || err == DB_SUCCESS_LOCKED_REC) { /* Update the page max trx id field */ + /* It might not be necessary to do this if + err == DB_SUCCESS (no new lock created), + but it should not cost too much performance. */ page_update_max_trx_id(block, buf_block_get_page_zip(block), thr_get_trx(thr)->id, mtr); + err = DB_SUCCESS; } return(err); } /*********************************************************************//** -Like the counterpart for a clustered index below, but now we read a +Like lock_clust_rec_read_check_and_lock(), but reads a secondary index record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ UNIV_INTERN -ulint +enum db_err lock_sec_rec_read_check_and_lock( /*=============================*/ ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG @@ -5297,8 +5321,8 @@ lock_sec_rec_read_check_and_lock( LOCK_REC_NOT_GAP */ que_thr_t* thr) /*!< in: query thread */ { - ulint err; - ulint heap_no; + enum db_err err; + ulint heap_no; ut_ad(!dict_index_is_clust(index)); ut_ad(block->frame == page_align(rec)); @@ -5349,9 +5373,10 @@ if the query thread should anyway be suspended for some reason; if not, then puts the transaction and the query thread to the lock wait state and inserts a waiting request for a record lock to the lock queue. Sets the requested mode lock on the record. -@return DB_SUCCESS, DB_LOCK_WAIT, DB_DEADLOCK, or DB_QUE_THR_SUSPENDED */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, DB_LOCK_WAIT, DB_DEADLOCK, +or DB_QUE_THR_SUSPENDED */ UNIV_INTERN -ulint +enum db_err lock_clust_rec_read_check_and_lock( /*===============================*/ ulint flags, /*!< in: if BTR_NO_LOCKING_FLAG @@ -5372,8 +5397,8 @@ lock_clust_rec_read_check_and_lock( LOCK_REC_NOT_GAP */ que_thr_t* thr) /*!< in: query thread */ { - ulint err; - ulint heap_no; + enum db_err err; + ulint heap_no; ut_ad(dict_index_is_clust(index)); ut_ad(block->frame == page_align(rec)); @@ -5444,17 +5469,22 @@ lock_clust_rec_read_check_and_lock_alt( mem_heap_t* tmp_heap = NULL; ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint* offsets = offsets_; - ulint ret; + ulint err; rec_offs_init(offsets_); offsets = rec_get_offsets(rec, index, offsets, ULINT_UNDEFINED, &tmp_heap); - ret = lock_clust_rec_read_check_and_lock(flags, block, rec, index, + err = lock_clust_rec_read_check_and_lock(flags, block, rec, index, offsets, mode, gap_mode, thr); if (tmp_heap) { mem_heap_free(tmp_heap); } - return(ret); + + if (UNIV_UNLIKELY(err == DB_SUCCESS_LOCKED_REC)) { + err = DB_SUCCESS; + } + + return(err); } /*******************************************************************//** diff --git a/storage/innobase/row/row0ins.c b/storage/innobase/row/row0ins.c index 906aaae2412..c882a065cd1 100644 --- a/storage/innobase/row/row0ins.c +++ b/storage/innobase/row/row0ins.c @@ -1121,9 +1121,9 @@ nonstandard_exit_func: /*********************************************************************//** Sets a shared lock on a record. Used in locking possible duplicate key records and also in checking foreign key constraints. -@return DB_SUCCESS or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, or error code */ static -ulint +enum db_err row_ins_set_shared_rec_lock( /*========================*/ ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or @@ -1134,7 +1134,7 @@ row_ins_set_shared_rec_lock( const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ que_thr_t* thr) /*!< in: query thread */ { - ulint err; + enum db_err err; ut_ad(rec_offs_validate(rec, index, offsets)); @@ -1152,9 +1152,9 @@ row_ins_set_shared_rec_lock( /*********************************************************************//** Sets a exclusive lock on a record. Used in locking possible duplicate key records -@return DB_SUCCESS or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, or error code */ static -ulint +enum db_err row_ins_set_exclusive_rec_lock( /*===========================*/ ulint type, /*!< in: LOCK_ORDINARY, LOCK_GAP, or @@ -1165,7 +1165,7 @@ row_ins_set_exclusive_rec_lock( const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ que_thr_t* thr) /*!< in: query thread */ { - ulint err; + enum db_err err; ut_ad(rec_offs_validate(rec, index, offsets)); @@ -1205,7 +1205,6 @@ row_ins_check_foreign_constraint( dict_index_t* check_index; ulint n_fields_cmp; btr_pcur_t pcur; - ibool moved; int cmp; ulint err; ulint i; @@ -1336,13 +1335,13 @@ run_again: /* Scan index records and check if there is a matching record */ - for (;;) { + do { const rec_t* rec = btr_pcur_get_rec(&pcur); const buf_block_t* block = btr_pcur_get_block(&pcur); if (page_rec_is_infimum(rec)) { - goto next_rec; + continue; } offsets = rec_get_offsets(rec, check_index, @@ -1353,12 +1352,13 @@ run_again: err = row_ins_set_shared_rec_lock(LOCK_ORDINARY, block, rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - - break; + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + continue; + default: + goto end_scan; } - - goto next_rec; } cmp = cmp_dtuple_rec(entry, rec, offsets); @@ -1369,9 +1369,12 @@ run_again: err = row_ins_set_shared_rec_lock( LOCK_ORDINARY, block, rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: break; + default: + goto end_scan; } } else { /* Found a matching record. Lock only @@ -1382,15 +1385,18 @@ run_again: LOCK_REC_NOT_GAP, block, rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: break; + default: + goto end_scan; } if (check_ref) { err = DB_SUCCESS; - break; + goto end_scan; } else if (foreign->type != 0) { /* There is an ON UPDATE or ON DELETE condition: check them in a separate @@ -1416,7 +1422,7 @@ run_again: err = DB_FOREIGN_DUPLICATE_KEY; } - break; + goto end_scan; } /* row_ins_foreign_check_on_constraint @@ -1429,49 +1435,41 @@ run_again: thr, foreign, rec, entry); err = DB_ROW_IS_REFERENCED; - break; + goto end_scan; } } - } + } else { + ut_a(cmp < 0); - if (cmp < 0) { err = row_ins_set_shared_rec_lock( LOCK_GAP, block, rec, check_index, offsets, thr); - if (err != DB_SUCCESS) { - break; + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + if (check_ref) { + err = DB_NO_REFERENCED_ROW; + row_ins_foreign_report_add_err( + trx, foreign, rec, entry); + } else { + err = DB_SUCCESS; + } } - if (check_ref) { - err = DB_NO_REFERENCED_ROW; - row_ins_foreign_report_add_err( - trx, foreign, rec, entry); - } else { - err = DB_SUCCESS; - } - - break; + goto end_scan; } + } while (btr_pcur_move_to_next(&pcur, &mtr)); - ut_a(cmp == 0); -next_rec: - moved = btr_pcur_move_to_next(&pcur, &mtr); - - if (!moved) { - if (check_ref) { - rec = btr_pcur_get_rec(&pcur); - row_ins_foreign_report_add_err( - trx, foreign, rec, entry); - err = DB_NO_REFERENCED_ROW; - } else { - err = DB_SUCCESS; - } - - break; - } + if (check_ref) { + row_ins_foreign_report_add_err( + trx, foreign, btr_pcur_get_rec(&pcur), entry); + err = DB_NO_REFERENCED_ROW; + } else { + err = DB_SUCCESS; } +end_scan: btr_pcur_close(&pcur); mtr_commit(&mtr); @@ -1719,9 +1717,13 @@ row_ins_scan_sec_index_for_duplicate( rec, index, offsets, thr); } - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + case DB_SUCCESS: break; + default: + goto end_scan; } if (page_rec_is_supremum(rec)) { @@ -1738,17 +1740,15 @@ row_ins_scan_sec_index_for_duplicate( thr_get_trx(thr)->error_info = index; - break; + goto end_scan; } + } else { + ut_a(cmp < 0); + goto end_scan; } - - if (cmp < 0) { - break; - } - - ut_a(cmp == 0); } while (btr_pcur_move_to_next(&pcur, &mtr)); +end_scan: if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } @@ -1837,7 +1837,11 @@ row_ins_duplicate_error_in_clust( cursor->index, offsets, thr); } - if (err != DB_SUCCESS) { + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + break; + default: goto func_exit; } @@ -1877,7 +1881,11 @@ row_ins_duplicate_error_in_clust( rec, cursor->index, offsets, thr); } - if (err != DB_SUCCESS) { + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + break; + default: goto func_exit; } diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index 2cd14ba1b42..1f7f98a59a2 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -1430,27 +1430,26 @@ run_again: } /*********************************************************************//** -This can only be used when srv_locks_unsafe_for_binlog is TRUE or -this session is using a READ COMMITTED isolation level. Before -calling this function we must use trx_reset_new_rec_lock_info() and -trx_register_new_rec_lock() to store the information which new record locks -really were set. This function removes a newly set lock under prebuilt->pcur, -and also under prebuilt->clust_pcur. Currently, this is only used and tested -in the case of an UPDATE or a DELETE statement, where the row lock is of the -LOCK_X type. -Thus, this implements a 'mini-rollback' that releases the latest record -locks we set. -@return error code or DB_SUCCESS */ +This can only be used when srv_locks_unsafe_for_binlog is TRUE or this +session is using a READ COMMITTED or READ UNCOMMITTED isolation level. +Before calling this function row_search_for_mysql() must have +initialized prebuilt->new_rec_locks to store the information which new +record locks really were set. This function removes a newly set +clustered index record lock under prebuilt->pcur or +prebuilt->clust_pcur. Thus, this implements a 'mini-rollback' that +releases the latest clustered index record lock we set. +@return error code or DB_SUCCESS */ UNIV_INTERN int row_unlock_for_mysql( /*=================*/ - row_prebuilt_t* prebuilt, /*!< in: prebuilt struct in MySQL + row_prebuilt_t* prebuilt, /*!< in/out: prebuilt struct in MySQL handle */ - ibool has_latches_on_recs)/*!< TRUE if called so that we have - the latches on the records under pcur - and clust_pcur, and we do not need to - reposition the cursors. */ + ibool has_latches_on_recs)/*!< in: TRUE if called so + that we have the latches on + the records under pcur and + clust_pcur, and we do not need + to reposition the cursors. */ { btr_pcur_t* pcur = prebuilt->pcur; btr_pcur_t* clust_pcur = prebuilt->clust_pcur; diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c index 4d19ed93a49..a5bf361661b 100644 --- a/storage/innobase/row/row0sel.c +++ b/storage/innobase/row/row0sel.c @@ -863,8 +863,14 @@ row_sel_get_clust_rec( clust_rec, index, offsets, node->row_lock_mode, lock_type, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS: + case DB_SUCCESS_LOCKED_REC: + /* Declare the variable uninitialized in Valgrind. + It should be set to DB_SUCCESS at func_exit. */ + UNIV_MEM_INVALID(&err, sizeof err); + break; + default: goto err_exit; } } else { @@ -934,9 +940,9 @@ err_exit: /*********************************************************************//** Sets a lock on a record. -@return DB_SUCCESS or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, or error code */ UNIV_INLINE -ulint +enum db_err sel_set_rec_lock( /*=============*/ const buf_block_t* block, /*!< in: buffer block of rec */ @@ -948,8 +954,8 @@ sel_set_rec_lock( LOC_REC_NOT_GAP */ que_thr_t* thr) /*!< in: query thread */ { - trx_t* trx; - ulint err; + trx_t* trx; + enum db_err err; trx = thr_get_trx(thr); @@ -1482,11 +1488,15 @@ rec_loop: node->row_lock_mode, lock_type, thr); - if (err != DB_SUCCESS) { + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + case DB_SUCCESS: + break; + default: /* Note that in this case we will store in pcur the PREDECESSOR of the record we are waiting the lock for */ - goto lock_wait_or_error; } } @@ -1538,8 +1548,12 @@ skip_lock: rec, index, offsets, node->row_lock_mode, lock_type, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + case DB_SUCCESS: + break; + default: goto lock_wait_or_error; } } @@ -2801,9 +2815,9 @@ row_sel_build_prev_vers_for_mysql( Retrieves the clustered index record corresponding to a record in a non-clustered index. Does the necessary locking. Used in the MySQL interface. -@return DB_SUCCESS or error code */ +@return DB_SUCCESS, DB_SUCCESS_LOCKED_REC, or error code */ static -ulint +enum db_err row_sel_get_clust_rec_for_mysql( /*============================*/ row_prebuilt_t* prebuilt,/*!< in: prebuilt struct in the handle */ @@ -2830,7 +2844,7 @@ row_sel_get_clust_rec_for_mysql( dict_index_t* clust_index; const rec_t* clust_rec; rec_t* old_vers; - ulint err; + enum db_err err; trx_t* trx; *out_rec = NULL; @@ -2889,6 +2903,7 @@ row_sel_get_clust_rec_for_mysql( clust_rec = NULL; + err = DB_SUCCESS; goto func_exit; } @@ -2904,8 +2919,11 @@ row_sel_get_clust_rec_for_mysql( 0, btr_pcur_get_block(prebuilt->clust_pcur), clust_rec, clust_index, *offsets, prebuilt->select_lock_type, LOCK_REC_NOT_GAP, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS: + case DB_SUCCESS_LOCKED_REC: + break; + default: goto err_exit; } } else { @@ -2965,6 +2983,8 @@ row_sel_get_clust_rec_for_mysql( rec, sec_index, clust_rec, clust_index)); #endif } + + err = DB_SUCCESS; } func_exit: @@ -2977,7 +2997,6 @@ func_exit: btr_pcur_store_position(prebuilt->clust_pcur, mtr); } - err = DB_SUCCESS; err_exit: return(err); } @@ -3702,8 +3721,12 @@ shortcut_fails_too_big_rec: prebuilt->select_lock_type, LOCK_GAP, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + case DB_SUCCESS: + break; + default: goto lock_wait_or_error; } } @@ -3801,8 +3824,12 @@ rec_loop: prebuilt->select_lock_type, LOCK_ORDINARY, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + err = DB_SUCCESS; + case DB_SUCCESS: + break; + default: goto lock_wait_or_error; } } @@ -3932,8 +3959,11 @@ wrong_offs: prebuilt->select_lock_type, LOCK_GAP, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + break; + default: goto lock_wait_or_error; } } @@ -3968,8 +3998,11 @@ wrong_offs: prebuilt->select_lock_type, LOCK_GAP, thr); - if (err != DB_SUCCESS) { - + switch (err) { + case DB_SUCCESS_LOCKED_REC: + case DB_SUCCESS: + break; + default: goto lock_wait_or_error; } } @@ -4039,15 +4072,21 @@ no_gap_lock: switch (err) { const rec_t* old_vers; - case DB_SUCCESS: + case DB_SUCCESS_LOCKED_REC: if (srv_locks_unsafe_for_binlog - || trx->isolation_level <= TRX_ISO_READ_COMMITTED) { + || trx->isolation_level + <= TRX_ISO_READ_COMMITTED) { /* Note that a record of prebuilt->index was locked. */ prebuilt->new_rec_locks = 1; } + err = DB_SUCCESS; + case DB_SUCCESS: break; case DB_LOCK_WAIT: + /* Never unlock rows that were part of a conflict. */ + prebuilt->new_rec_locks = 0; + if (UNIV_LIKELY(prebuilt->row_read_type != ROW_READ_TRY_SEMI_CONSISTENT) || unique_search @@ -4077,7 +4116,6 @@ no_gap_lock: if (UNIV_LIKELY(trx->wait_lock != NULL)) { lock_cancel_waiting_and_release( trx->wait_lock); - prebuilt->new_rec_locks = 0; } else { mutex_exit(&kernel_mutex); @@ -4089,9 +4127,6 @@ no_gap_lock: ULINT_UNDEFINED, &heap); err = DB_SUCCESS; - /* Note that a record of - prebuilt->index was locked. */ - prebuilt->new_rec_locks = 1; break; } mutex_exit(&kernel_mutex); @@ -4228,27 +4263,30 @@ requires_clust_rec: err = row_sel_get_clust_rec_for_mysql(prebuilt, index, rec, thr, &clust_rec, &offsets, &heap, &mtr); - if (err != DB_SUCCESS) { + switch (err) { + case DB_SUCCESS: + if (clust_rec == NULL) { + /* The record did not exist in the read view */ + ut_ad(prebuilt->select_lock_type == LOCK_NONE); + goto next_rec; + } + break; + case DB_SUCCESS_LOCKED_REC: + ut_a(clust_rec != NULL); + if (srv_locks_unsafe_for_binlog + || trx->isolation_level + <= TRX_ISO_READ_COMMITTED) { + /* Note that the clustered index record + was locked. */ + prebuilt->new_rec_locks = 2; + } + err = DB_SUCCESS; + break; + default: goto lock_wait_or_error; } - if (clust_rec == NULL) { - /* The record did not exist in the read view */ - ut_ad(prebuilt->select_lock_type == LOCK_NONE); - - goto next_rec; - } - - if ((srv_locks_unsafe_for_binlog - || trx->isolation_level <= TRX_ISO_READ_COMMITTED) - && prebuilt->select_lock_type != LOCK_NONE) { - /* Note that both the secondary index record - and the clustered index record were locked. */ - ut_ad(prebuilt->new_rec_locks == 1); - prebuilt->new_rec_locks = 2; - } - if (UNIV_UNLIKELY(rec_get_deleted_flag(clust_rec, comp))) { /* The record is delete marked: we can skip it */ From a887c0c28fcacf70972508010e1e55bd5d1bc4bb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Wed, 2 Jun 2010 14:52:11 +0300 Subject: [PATCH 392/400] ut_strerr(): Handle DB_SUCCESS_LOCKED_REC. --- storage/innobase/ut/ut0ut.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/storage/innobase/ut/ut0ut.c b/storage/innobase/ut/ut0ut.c index 6b65067aa54..39978304696 100644 --- a/storage/innobase/ut/ut0ut.c +++ b/storage/innobase/ut/ut0ut.c @@ -637,6 +637,8 @@ ut_strerr( switch (num) { case DB_SUCCESS: return("Success"); + case DB_SUCCESS_LOCKED_REC: + return("Success, record lock created"); case DB_ERROR: return("Generic error"); case DB_INTERRUPTED: From acf187a2760ed68b2bab55fd2b661842e53831c2 Mon Sep 17 00:00:00 2001 From: Vasil Dimov Date: Wed, 2 Jun 2010 15:09:18 +0300 Subject: [PATCH 393/400] Fix the failing innodb.innodb test: innodb.innodb [ fail ] Test ended at 2010-06-02 15:04:06 CURRENT_TEST: innodb.innodb --- /usr/w/mysql-trunk-innodb/mysql-test/suite/innodb/r/innodb.result 2010-05-23 23:10:26.576407000 +0300 +++ /usr/w/mysql-trunk-innodb/mysql-test/suite/innodb/r/innodb.reject 2010-06-02 15:04:05.000000000 +0300 @@ -2648,7 +2648,7 @@ create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; insert into t1 values (0x41),(0x4120),(0x4100); insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A\x00' for key 'PRIMARY' +ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' insert into t2 values (0x41),(0x4120); The change in the printout was introduced in: ------------------------------------------------------------ revno: 3008.6.2 revision-id: sergey.glukhov@sun.com-20100527160143-57nas8nplzpj26dz parent: sergey.glukhov@sun.com-20100527155443-24vqi9o8rpnkyci7 committer: Sergey Glukhov branch nick: mysql-trunk-bugfixing timestamp: Thu 2010-05-27 20:01:43 +0400 message: Bug#52430 Incorrect key in the error message for duplicate key error involving BINARY type For BINARY(N) strip trailing zeroes to make the error message nice-looking @ mysql-test/r/errors.result test case @ mysql-test/r/type_binary.result result fix @ mysql-test/t/errors.test test case @ sql/key.cc For BINARY(N) strip trailing zeroes to make the error message nice-looking and its author (Sergey) did not notice the test failure because that test has been disabled in his tree. --- mysql-test/suite/innodb/r/innodb.result | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result index 427df076eaf..2e5585ee7af 100644 --- a/mysql-test/suite/innodb/r/innodb.result +++ b/mysql-test/suite/innodb/r/innodb.result @@ -2648,7 +2648,7 @@ create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb; create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb; insert into t1 values (0x41),(0x4120),(0x4100); insert into t2 values (0x41),(0x4120),(0x4100); -ERROR 23000: Duplicate entry 'A\x00' for key 'PRIMARY' +ERROR 23000: Duplicate entry 'A' for key 'PRIMARY' insert into t2 values (0x41),(0x4120); insert into t3 values (0x41),(0x4120),(0x4100); ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY' From 56c3b98065b78b08b525e97c32589dfd5020165d Mon Sep 17 00:00:00 2001 From: Alexander Barkov Date: Wed, 2 Jun 2010 16:23:50 +0400 Subject: [PATCH 394/400] Bug#52520 Difference in tinytext utf column metadata Problems: - regression (compating to version 5.1) in metadata for BLOB types - inconsistency between length metadata in server and embedded for BLOB types - wrong max_length calculation in items derived from BLOB columns @ libmysqld/lib_sql.cc Calculating length metadata in embedded similary to server version, using new function char_to_byte_length_safe(). @ mysql-test/r/ctype_utf16.result Adding tests @ mysql-test/r/ctype_utf32.result Adding tests @ mysql-test/r/ctype_utf8.result Adding tests @ mysql-test/r/ctype_utf8mb4.result Adding tests @ mysql-test/t/ctype_utf16.test Adding tests @ mysql-test/t/ctype_utf32.test Adding tests @ mysql-test/t/ctype_utf8.test Adding tests @ mysql-test/t/ctype_utf8mb4.test Adding tests @ sql/field.cc Overriding char_length() for Field_blob: unlike in generic Item::char_length() we don't divide to mbmaxlen for BLOBs. @ sql/field.h - Making Field::char_length() virtual - Adding prototype for Field_blob::char_length() @ sql/item.h - Adding new helper function char_to_byte_length_safe() - Using new function @ sql/protocol.cc Using new function char_to_byte_length_safe(). modified: libmysqld/lib_sql.cc mysql-test/r/ctype_utf16.result mysql-test/r/ctype_utf32.result mysql-test/r/ctype_utf8.result mysql-test/r/ctype_utf8mb4.result mysql-test/t/ctype_utf16.test mysql-test/t/ctype_utf32.test mysql-test/t/ctype_utf8.test mysql-test/t/ctype_utf8mb4.test sql/field.cc sql/field.h sql/item.h sql/protocol.cc --- libmysqld/lib_sql.cc | 3 +- mysql-test/r/ctype_utf16.result | 43 +++++++++++++++++++++++++++ mysql-test/r/ctype_utf32.result | 43 +++++++++++++++++++++++++++ mysql-test/r/ctype_utf8.result | 49 +++++++++++++++++++++++++++++++ mysql-test/r/ctype_utf8mb4.result | 43 +++++++++++++++++++++++++++ mysql-test/t/ctype_utf16.test | 21 +++++++++++++ mysql-test/t/ctype_utf32.test | 21 +++++++++++++ mysql-test/t/ctype_utf8.test | 28 ++++++++++++++++++ mysql-test/t/ctype_utf8mb4.test | 21 +++++++++++++ sql/field.cc | 33 +++++++++++++++++++++ sql/field.h | 3 +- sql/item.h | 16 ++++++++-- sql/protocol.cc | 8 ++--- 13 files changed, 323 insertions(+), 9 deletions(-) diff --git a/libmysqld/lib_sql.cc b/libmysqld/lib_sql.cc index 72379fbc089..e727122293c 100644 --- a/libmysqld/lib_sql.cc +++ b/libmysqld/lib_sql.cc @@ -953,7 +953,8 @@ bool Protocol::send_result_set_metadata(List *list, uint flags) server_field.type <= (int) MYSQL_TYPE_BLOB) ? server_field.length / item->collation.collation->mbminlen : server_field.length / item->collation.collation->mbmaxlen; - client_field->length= max_char_len * thd_cs->mbmaxlen; + client_field->length= char_to_byte_length_safe(max_char_len, + thd_cs->mbmaxlen); } client_field->type= server_field.type; client_field->flags= server_field.flags; diff --git a/mysql-test/r/ctype_utf16.result b/mysql-test/r/ctype_utf16.result index 3c2fe316d71..c5fd7ef1439 100644 --- a/mysql-test/r/ctype_utf16.result +++ b/mysql-test/r/ctype_utf16.result @@ -1034,5 +1034,48 @@ DROP TABLE t1; SET max_sort_length=DEFAULT; SET NAMES latin1; # +# Bug#52520 Difference in tinytext utf column metadata +# +CREATE TABLE t1 ( +s1 TINYTEXT CHARACTER SET utf16, +s2 TEXT CHARACTER SET utf16, +s3 MEDIUMTEXT CHARACTER SET utf16, +s4 LONGTEXT CHARACTER SET utf16 +); +SET NAMES utf8, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 54 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 54 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 54 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 54 +def HEX(s1) 253 6120 0 Y 0 0 33 +s1 s2 s3 s4 HEX(s1) +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 127 0 Y 16 0 8 +def test t1 t1 s2 s2 252 32767 0 Y 16 0 8 +def test t1 t1 s3 s3 252 8388607 0 Y 16 0 8 +def test t1 t1 s4 s4 252 2147483647 0 Y 16 0 8 +def HEX(s1) 253 2040 0 Y 0 0 8 +s1 s2 s3 s4 HEX(s1) +SET NAMES utf8; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 381 0 Y 16 0 33 +def test t1 t1 s2 s2 252 98301 0 Y 16 0 33 +def test t1 t1 s3 s3 252 25165821 0 Y 16 0 33 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 33 +def HEX(s1) 253 6120 0 Y 0 0 33 +s1 s2 s3 s4 HEX(s1) +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `CONCAT(s1)` varchar(255) CHARACTER SET utf16 DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +DROP TABLE t1, t2; +# # End of 5.5 tests # diff --git a/mysql-test/r/ctype_utf32.result b/mysql-test/r/ctype_utf32.result index f0f10be9743..9f395f87be7 100644 --- a/mysql-test/r/ctype_utf32.result +++ b/mysql-test/r/ctype_utf32.result @@ -1048,5 +1048,48 @@ DROP TABLE t1; SET max_sort_length=DEFAULT; SET NAMES latin1; # +# Bug#52520 Difference in tinytext utf column metadata +# +CREATE TABLE t1 ( +s1 TINYTEXT CHARACTER SET utf32, +s2 TEXT CHARACTER SET utf32, +s3 MEDIUMTEXT CHARACTER SET utf32, +s4 LONGTEXT CHARACTER SET utf32 +); +SET NAMES utf8mb4, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 60 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 60 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 60 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 60 +def HEX(s1) 253 8160 0 Y 0 0 45 +s1 s2 s3 s4 HEX(s1) +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 63 0 Y 16 0 8 +def test t1 t1 s2 s2 252 16383 0 Y 16 0 8 +def test t1 t1 s3 s3 252 4194303 0 Y 16 0 8 +def test t1 t1 s4 s4 252 1073741823 0 Y 16 0 8 +def HEX(s1) 253 2040 0 Y 0 0 8 +s1 s2 s3 s4 HEX(s1) +SET NAMES utf8mb4; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 252 0 Y 16 0 45 +def test t1 t1 s2 s2 252 65532 0 Y 16 0 45 +def test t1 t1 s3 s3 252 16777212 0 Y 16 0 45 +def test t1 t1 s4 s4 252 4294967292 0 Y 16 0 45 +def HEX(s1) 253 8160 0 Y 0 0 45 +s1 s2 s3 s4 HEX(s1) +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `CONCAT(s1)` varchar(255) CHARACTER SET utf32 DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +DROP TABLE t1, t2; +# # End of 5.5 tests # diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result index 03040d1676c..a4e7c4ef53a 100644 --- a/mysql-test/r/ctype_utf8.result +++ b/mysql-test/r/ctype_utf8.result @@ -2041,3 +2041,52 @@ predicted_order hex(utf8_encoding) 101 E0B78AE2808DE0B6BB DROP TABLE t1; End of 5.4 tests +# +# Start of 5.5 tests +# +# +# Bug#52520 Difference in tinytext utf column metadata +# +CREATE TABLE t1 ( +s1 TINYTEXT CHARACTER SET utf8, +s2 TEXT CHARACTER SET utf8, +s3 MEDIUMTEXT CHARACTER SET utf8, +s4 LONGTEXT CHARACTER SET utf8 +); +SET NAMES utf8, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 33 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 33 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 33 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 33 +def HEX(s1) 253 4590 0 Y 0 0 33 +s1 s2 s3 s4 HEX(s1) +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 8 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 8 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 8 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 8 +def HEX(s1) 253 1530 0 Y 0 0 8 +s1 s2 s3 s4 HEX(s1) +SET NAMES utf8; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 765 0 Y 16 0 33 +def test t1 t1 s2 s2 252 196605 0 Y 16 0 33 +def test t1 t1 s3 s3 252 50331645 0 Y 16 0 33 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 33 +def HEX(s1) 253 4590 0 Y 0 0 33 +s1 s2 s3 s4 HEX(s1) +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `CONCAT(s1)` varchar(255) CHARACTER SET utf8 DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +DROP TABLE t1, t2; +# +# End of 5.5 tests +# diff --git a/mysql-test/r/ctype_utf8mb4.result b/mysql-test/r/ctype_utf8mb4.result index 4de7a192546..454c9d4bfbb 100644 --- a/mysql-test/r/ctype_utf8mb4.result +++ b/mysql-test/r/ctype_utf8mb4.result @@ -2471,6 +2471,49 @@ abcð€def ð€ DROP TABLE t1; # +# Bug#52520 Difference in tinytext utf column metadata +# +CREATE TABLE t1 ( +s1 TINYTEXT CHARACTER SET utf8mb4, +s2 TEXT CHARACTER SET utf8mb4, +s3 MEDIUMTEXT CHARACTER SET utf8mb4, +s4 LONGTEXT CHARACTER SET utf8mb4 +); +SET NAMES utf8mb4, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 45 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 45 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 45 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 45 +def HEX(s1) 253 8160 0 Y 0 0 45 +s1 s2 s3 s4 HEX(s1) +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 255 0 Y 16 0 8 +def test t1 t1 s2 s2 252 65535 0 Y 16 0 8 +def test t1 t1 s3 s3 252 16777215 0 Y 16 0 8 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 8 +def HEX(s1) 253 2040 0 Y 0 0 8 +s1 s2 s3 s4 HEX(s1) +SET NAMES utf8mb4; +SELECT *, HEX(s1) FROM t1; +Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr +def test t1 t1 s1 s1 252 1020 0 Y 16 0 45 +def test t1 t1 s2 s2 252 262140 0 Y 16 0 45 +def test t1 t1 s3 s3 252 67108860 0 Y 16 0 45 +def test t1 t1 s4 s4 252 4294967295 0 Y 16 0 45 +def HEX(s1) 253 8160 0 Y 0 0 45 +s1 s2 s3 s4 HEX(s1) +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `CONCAT(s1)` varchar(255) CHARACTER SET utf8mb4 DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +DROP TABLE t1, t2; +# # End of 5.5 tests # # diff --git a/mysql-test/t/ctype_utf16.test b/mysql-test/t/ctype_utf16.test index b997bde6e7c..e9c7e569250 100644 --- a/mysql-test/t/ctype_utf16.test +++ b/mysql-test/t/ctype_utf16.test @@ -723,6 +723,27 @@ DROP TABLE t1; SET max_sort_length=DEFAULT; SET NAMES latin1; +--echo # +--echo # Bug#52520 Difference in tinytext utf column metadata +--echo # +CREATE TABLE t1 ( + s1 TINYTEXT CHARACTER SET utf16, + s2 TEXT CHARACTER SET utf16, + s3 MEDIUMTEXT CHARACTER SET utf16, + s4 LONGTEXT CHARACTER SET utf16 +); +--enable_metadata +SET NAMES utf8, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +SET NAMES utf8; +SELECT *, HEX(s1) FROM t1; +--disable_metadata +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +DROP TABLE t1, t2; + # ## TODO: add tests for all engines diff --git a/mysql-test/t/ctype_utf32.test b/mysql-test/t/ctype_utf32.test index f1e17532b88..96f1a341d38 100644 --- a/mysql-test/t/ctype_utf32.test +++ b/mysql-test/t/ctype_utf32.test @@ -779,6 +779,27 @@ DROP TABLE t1; SET max_sort_length=DEFAULT; SET NAMES latin1; +--echo # +--echo # Bug#52520 Difference in tinytext utf column metadata +--echo # +CREATE TABLE t1 ( + s1 TINYTEXT CHARACTER SET utf32, + s2 TEXT CHARACTER SET utf32, + s3 MEDIUMTEXT CHARACTER SET utf32, + s4 LONGTEXT CHARACTER SET utf32 +); +--enable_metadata +SET NAMES utf8mb4, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +SET NAMES utf8mb4; +SELECT *, HEX(s1) FROM t1; +--disable_metadata +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +DROP TABLE t1, t2; + --echo # --echo # End of 5.5 tests --echo # diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test index 201e96b0b09..f2287488a4f 100644 --- a/mysql-test/t/ctype_utf8.test +++ b/mysql-test/t/ctype_utf8.test @@ -1480,3 +1480,31 @@ DROP TABLE t1; --echo End of 5.4 tests +--echo # +--echo # Start of 5.5 tests +--echo # + +--echo # +--echo # Bug#52520 Difference in tinytext utf column metadata +--echo # +CREATE TABLE t1 ( + s1 TINYTEXT CHARACTER SET utf8, + s2 TEXT CHARACTER SET utf8, + s3 MEDIUMTEXT CHARACTER SET utf8, + s4 LONGTEXT CHARACTER SET utf8 +); +--enable_metadata +SET NAMES utf8, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +SET NAMES utf8; +SELECT *, HEX(s1) FROM t1; +--disable_metadata +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +DROP TABLE t1, t2; + +--echo # +--echo # End of 5.5 tests +--echo # diff --git a/mysql-test/t/ctype_utf8mb4.test b/mysql-test/t/ctype_utf8mb4.test index f396d36e5b0..8fcba92ff47 100644 --- a/mysql-test/t/ctype_utf8mb4.test +++ b/mysql-test/t/ctype_utf8mb4.test @@ -1789,6 +1789,27 @@ SELECT hex(subject), length(subject), char_length(subject), octet_length(subject SELECT subject FROM t1 ORDER BY 1; DROP TABLE t1; +--echo # +--echo # Bug#52520 Difference in tinytext utf column metadata +--echo # +CREATE TABLE t1 ( + s1 TINYTEXT CHARACTER SET utf8mb4, + s2 TEXT CHARACTER SET utf8mb4, + s3 MEDIUMTEXT CHARACTER SET utf8mb4, + s4 LONGTEXT CHARACTER SET utf8mb4 +); +--enable_metadata +SET NAMES utf8mb4, @@character_set_results=NULL; +SELECT *, HEX(s1) FROM t1; +SET NAMES latin1; +SELECT *, HEX(s1) FROM t1; +SET NAMES utf8mb4; +SELECT *, HEX(s1) FROM t1; +--disable_metadata +CREATE TABLE t2 AS SELECT CONCAT(s1) FROM t1; +SHOW CREATE TABLE t2; +DROP TABLE t1, t2; + --echo # --echo # End of 5.5 tests --echo # diff --git a/sql/field.cc b/sql/field.cc index ee7d91c1fb6..ac40ae53d7c 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -9956,6 +9956,39 @@ Create_field::Create_field(Field *old_field,Field *orig_field) } +/** + maximum possible character length for blob. + + This method is used in Item_field::set_field to calculate + max_length for Item. + + For example: + CREATE TABLE t2 SELECT CONCAT(tinyblob_utf8_column) FROM t1; + must create a "VARCHAR(255) CHARACTER SET utf8" column. + + @return + length +*/ + +uint32 Field_blob::char_length() +{ + switch (packlength) + { + case 1: + return 255; + case 2: + return 65535; + case 3: + return 16777215; + case 4: + return (uint32) 4294967295U; + default: + DBUG_ASSERT(0); // we should never go here + return 0; + } +} + + /** maximum possible display length for blob. diff --git a/sql/field.h b/sql/field.h index 66b13d02b89..46d8a2aa6d9 100644 --- a/sql/field.h +++ b/sql/field.h @@ -499,7 +499,7 @@ public: longlong convert_decimal2longlong(const my_decimal *val, bool unsigned_flag, int *err); /* The max. number of characters */ - inline uint32 char_length() const + virtual uint32 char_length() { return field_length / charset()->mbmaxlen; } @@ -1813,6 +1813,7 @@ public: bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } uint32 max_display_length(); + uint32 char_length(); uint is_equal(Create_field *new_field); inline bool in_read_set() { return bitmap_is_set(table->read_set, field_index); } inline bool in_write_set() { return bitmap_is_set(table->write_set, field_index); } diff --git a/sql/item.h b/sql/item.h index e441a6ff261..e18fa43037a 100644 --- a/sql/item.h +++ b/sql/item.h @@ -34,6 +34,15 @@ void item_init(void); /* Init item functions */ class Item_field; class user_var_entry; + +static inline uint32 +char_to_byte_length_safe(uint32 char_length_arg, uint32 mbmaxlen_arg) +{ + ulonglong tmp= ((ulonglong) char_length_arg) * mbmaxlen_arg; + return (tmp > UINT_MAX32) ? (uint32) UINT_MAX32 : (uint32) tmp; +} + + /* "Declared Type Collation" A combination of collation and its derivation. @@ -1171,11 +1180,14 @@ public: { return max_length / collation.collation->mbmaxlen; } void fix_length_and_charset(uint32 max_char_length_arg, CHARSET_INFO *cs) { - max_length= max_char_length_arg * cs->mbmaxlen; + max_length= char_to_byte_length_safe(max_char_length_arg, cs->mbmaxlen); collation.collation= cs; } void fix_char_length(uint32 max_char_length_arg) - { max_length= max_char_length_arg * collation.collation->mbmaxlen; } + { + max_length= char_to_byte_length_safe(max_char_length_arg, + collation.collation->mbmaxlen); + } void fix_length_and_charset_datetime(uint32 max_char_length_arg) { collation.set(&my_charset_numeric, DERIVATION_NUMERIC, MY_REPERTOIRE_ASCII); diff --git a/sql/protocol.cc b/sql/protocol.cc index eeb248012ab..ac78ac88ec6 100644 --- a/sql/protocol.cc +++ b/sql/protocol.cc @@ -747,8 +747,7 @@ bool Protocol::send_result_set_metadata(List *list, uint flags) else { /* With conversion */ - ulonglong max_length; - uint32 field_length; + uint32 field_length, max_length; int2store(pos, thd_charset->number); /* For TEXT/BLOB columns, field_length describes the maximum data @@ -771,9 +770,8 @@ bool Protocol::send_result_set_metadata(List *list, uint flags) field.type <= MYSQL_TYPE_BLOB) ? field.length / item->collation.collation->mbminlen : field.length / item->collation.collation->mbmaxlen; - max_length*= thd_charset->mbmaxlen; - field_length= (max_length > UINT_MAX32) ? - UINT_MAX32 : (uint32) max_length; + field_length= char_to_byte_length_safe(max_length, + thd_charset->mbmaxlen); int4store(pos + 2, field_length); } pos[6]= field.type; From 04ce78aad820fc06a371ba5441f01fad4a092f47 Mon Sep 17 00:00:00 2001 From: Alexander Nozdrin Date: Thu, 3 Jun 2010 11:50:50 +0400 Subject: [PATCH 395/400] Disable binlog.binlog_spurious_ddl_errors due to Bug 54195. --- mysql-test/suite/binlog/t/disabled.def | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mysql-test/suite/binlog/t/disabled.def b/mysql-test/suite/binlog/t/disabled.def index a86136fec69..b6086edb2f0 100644 --- a/mysql-test/suite/binlog/t/disabled.def +++ b/mysql-test/suite/binlog/t/disabled.def @@ -9,6 +9,6 @@ # Do not use any TAB characters for whitespace. # ############################################################################## -binlog_truncate_innodb : BUG#42643 2009-02-06 mats Changes to InnoDB requires to complete fix for BUG#36763 -binlog_unsafe : BUG#50312 2010-01-13 lsoares Warnings for unsafe sub-statement not returned to client - +binlog_truncate_innodb : BUG#42643 2009-02-06 mats Changes to InnoDB requires to complete fix for BUG#36763 +binlog_unsafe : BUG#50312 2010-01-13 lsoares Warnings for unsafe sub-statement not returned to client +binlog_spurious_ddl_errors : BUG#54195 2010-06-03 alik binlog_spurious_ddl_errors.test fails, thus disabled From f72832953fa94b797eed56547ff30936bdbdb63d Mon Sep 17 00:00:00 2001 From: Tor Didriksen Date: Thu, 3 Jun 2010 09:52:15 +0200 Subject: [PATCH 396/400] Skip perfschema.misc if "var" is a symlink (due to Bug 51447). --- mysql-test/include/not_var_link.inc | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/mysql-test/include/not_var_link.inc b/mysql-test/include/not_var_link.inc index 96db4f1dfd5..e1eb1dff2d7 100644 --- a/mysql-test/include/not_var_link.inc +++ b/mysql-test/include/not_var_link.inc @@ -1,6 +1,11 @@ +# Test if MYSQLTEST_VARDIR is a soft link +# If we run in parallel, we have a suffix "/$child_num", so chop off that. + perl; + my $path= $ENV{'MYSQLTEST_VARDIR'}; + $path=~ s|/\d+$||; open (ISLINK, ">" . $ENV{'MYSQL_TMP_DIR'} . "/mtr_var_link"); - my $mvr= -l $ENV{'MYSQLTEST_VARDIR'} ? 1 : 0; + my $mvr= -l $path ? 1 : 0; print ISLINK "let \$mtr_var_link= $mvr;\n"; close ISLINK; EOF From b6a4e25c7d0fd773ab87c32f5db9090aaff8d20c Mon Sep 17 00:00:00 2001 From: "Horst.Hunger" Date: Thu, 3 Jun 2010 11:27:27 +0200 Subject: [PATCH 397/400] Patch for trunk after merge from 5.1-bugteam of bug52913. --- mysql-test/collections/default.experimental | 2 + mysql-test/include/mysqlhotcopy.inc | 116 ++++++++++++++ mysql-test/lib/mtr_misc.pl | 22 +++ mysql-test/mysql-test-run.pl | 9 ++ mysql-test/r/mysqlhotcopy_archive.result | 118 ++++++++++++++ mysql-test/r/mysqlhotcopy_myisam.result | 164 ++++++++++++++++++++ mysql-test/t/mysqlhotcopy_archive.test | 8 + mysql-test/t/mysqlhotcopy_myisam.test | 7 + 8 files changed, 446 insertions(+) create mode 100644 mysql-test/include/mysqlhotcopy.inc create mode 100644 mysql-test/r/mysqlhotcopy_archive.result create mode 100644 mysql-test/r/mysqlhotcopy_myisam.result create mode 100644 mysql-test/t/mysqlhotcopy_archive.test create mode 100644 mysql-test/t/mysqlhotcopy_myisam.test diff --git a/mysql-test/collections/default.experimental b/mysql-test/collections/default.experimental index 9fa352a6412..84fb2ac5e76 100644 --- a/mysql-test/collections/default.experimental +++ b/mysql-test/collections/default.experimental @@ -91,3 +91,5 @@ parts.partition_mgm_lc1_ndb # joro : NDB tests marked as experiment parts.partition_mgm_lc2_ndb # joro : NDB tests marked as experimental as agreed with bochklin parts.partition_syntax_ndb # joro : NDB tests marked as experimental as agreed with bochklin parts.partition_value_ndb # joro : NDB tests marked as experimental as agreed with bochklin +main.mysqlhotcopy_myisam # horst: due to bug#54129 +main.mysqlhotcopy_archive # horst: due to bug#54129 diff --git a/mysql-test/include/mysqlhotcopy.inc b/mysql-test/include/mysqlhotcopy.inc new file mode 100644 index 00000000000..585f8c13e74 --- /dev/null +++ b/mysql-test/include/mysqlhotcopy.inc @@ -0,0 +1,116 @@ +# Test of mysqlhotcopy (perl script) +# Author: Horst Hunger +# Created: 2010-05-10 + +--source include/not_windows.inc +--source include/not_embedded.inc + +let $MYSQLD_DATADIR= `SELECT @@datadir`; +--disable_warnings +DROP DATABASE IF EXISTS hotcopy_test; +--enable_warnings +CREATE DATABASE hotcopy_test; +USE hotcopy_test; +eval CREATE TABLE t1 (c1 int, c2 varchar(20)) ENGINE=$engine; +eval CREATE TABLE t2 (c1 int, c2 varchar(20)) ENGINE=$engine; +eval CREATE TABLE t3 (c1 int, c2 varchar(20)) ENGINE=$engine; + +INSERT INTO t1 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +INSERT INTO t2 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +INSERT INTO t3 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); + +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_test + +# backup into another database in the same directory +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save + +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save + +USE hotcopy_save; +SELECT * FROM t1; +SELECT * FROM t2; +SELECT * FROM t3; + +# restore data into the original database with mysqlhotcopy +if(`SELECT engine= 'MyISAM' FROM information_schema.tables WHERE table_name='t1'`) +{ +USE hotcopy_test; +DELETE FROM t1; +SELECT * FROM t1; + +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --addtodest -S $MASTER_MYSOCK -u root hotcopy_save hotcopy_test + +USE hotcopy_save; +SELECT * FROM t1; +SELECT * FROM t2; +SELECT * FROM t3; +} + +USE hotcopy_test; +DROP TABLE t2; +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_test + +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --addtodest -S $MASTER_MYSOCK -u root hotcopy_save hotcopy_test + +FLUSH TABLES; +SELECT * FROM t1; +SELECT * FROM t2; +SELECT * FROM t3; + +# backup of db into a directory +USE hotcopy_test; +--replace_result $MASTER_MYSOCK MASTER_MYSOCK $MYSQLTEST_VARDIR MYSQLTEST_VARDIR +--exec $MYSQLHOTCOPY --quiet -S $MASTER_MYSOCK -u root hotcopy_test $MYSQLTEST_VARDIR/tmp +--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR +--list_files $MYSQLTEST_VARDIR/tmp/hotcopy_test +#--exec rm -rf $MYSQLTEST_VARDIR/tmp/hotcopy_test +--remove_files_wildcard $MYSQLTEST_VARDIR/tmp/hotcopy_test * +--rmdir $MYSQLTEST_VARDIR/tmp/hotcopy_test + +# backup without full index files +# reproduction of bug#53556, "--list_files" shows MYI files, which is wrong. +DROP DATABASE hotcopy_save; +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --noindices -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save + +# test of option "allowold" +DROP DATABASE hotcopy_save; +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--error 9,2304 +--exec $MYSQLHOTCOPY --quiet -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --allowold -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save + +# test of option "keepold" +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --keepold -S $MASTER_MYSOCK -u root hotcopy_test hotcopy_save +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save_old +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_save + +# test of option "suffix" +--replace_result $MASTER_MYSOCK MASTER_MYSOCK +--exec $MYSQLHOTCOPY --quiet --suffix=_cpy -S $MASTER_MYSOCK -u root hotcopy_test +--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR +--list_files $MYSQLD_DATADIR/hotcopy_test_cpy +DROP DATABASE hotcopy_test_cpy; + +DROP DATABASE hotcopy_test; +DROP DATABASE hotcopy_save; +DROP DATABASE hotcopy_save_old; + diff --git a/mysql-test/lib/mtr_misc.pl b/mysql-test/lib/mtr_misc.pl index 97eb693b52e..32960d866ce 100644 --- a/mysql-test/lib/mtr_misc.pl +++ b/mysql-test/lib/mtr_misc.pl @@ -147,6 +147,28 @@ sub mtr_exe_maybe_exists (@) { } +# +# NOTE! More specific paths should be given before less specific. +# +sub mtr_pl_maybe_exists (@) { + my @path= @_; + + map {$_.= ".pl"} @path if IS_WINDOWS; + foreach my $path ( @path ) + { + if(IS_WINDOWS) + { + return $path if -f $path; + } + else + { + return $path if -x $path; + } + } + return ""; +} + + # # NOTE! More specific paths should be given before less specific. # For example /client/debug should be listed before /client diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 68955010696..83c07eaa5f1 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -2110,6 +2110,15 @@ sub environment_setup { "$basedir/storage/myisam/myisampack", "$basedir/myisam/myisampack")); + # ---------------------------------------------------- + # mysqlhotcopy + # ---------------------------------------------------- + my $mysqlhotcopy= + mtr_pl_maybe_exists("$basedir/scripts/mysqlhotcopy"); + # Since mysqltest interprets the real path as "false" in an if, + # use 1 ("true") to indicate "not exists" so it can be tested for + $ENV{'MYSQLHOTCOPY'}= $mysqlhotcopy || 1; + # ---------------------------------------------------- # perror # ---------------------------------------------------- diff --git a/mysql-test/r/mysqlhotcopy_archive.result b/mysql-test/r/mysqlhotcopy_archive.result new file mode 100644 index 00000000000..bea78597336 --- /dev/null +++ b/mysql-test/r/mysqlhotcopy_archive.result @@ -0,0 +1,118 @@ +DROP DATABASE IF EXISTS hotcopy_test; +CREATE DATABASE hotcopy_test; +USE hotcopy_test; +CREATE TABLE t1 (c1 int, c2 varchar(20)) ENGINE=archive; +CREATE TABLE t2 (c1 int, c2 varchar(20)) ENGINE=archive; +CREATE TABLE t3 (c1 int, c2 varchar(20)) ENGINE=archive; +INSERT INTO t1 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +INSERT INTO t2 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +INSERT INTO t3 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +USE hotcopy_save; +SELECT * FROM t1; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t2; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t3; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +USE hotcopy_test; +DROP TABLE t2; +db.opt +t1.ARZ +t1.frm +t3.ARZ +t3.frm +FLUSH TABLES; +SELECT * FROM t1; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t2; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t3; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +USE hotcopy_test; +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +DROP DATABASE hotcopy_save; +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +DROP DATABASE hotcopy_save; +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +db.opt +t1.ARZ +t1.frm +t2.ARZ +t2.frm +t3.ARZ +t3.frm +DROP DATABASE hotcopy_test_cpy; +DROP DATABASE hotcopy_test; +DROP DATABASE hotcopy_save; +DROP DATABASE hotcopy_save_old; diff --git a/mysql-test/r/mysqlhotcopy_myisam.result b/mysql-test/r/mysqlhotcopy_myisam.result new file mode 100644 index 00000000000..52aeffce5cf --- /dev/null +++ b/mysql-test/r/mysqlhotcopy_myisam.result @@ -0,0 +1,164 @@ +DROP DATABASE IF EXISTS hotcopy_test; +CREATE DATABASE hotcopy_test; +USE hotcopy_test; +CREATE TABLE t1 (c1 int, c2 varchar(20)) ENGINE=MyISAM; +CREATE TABLE t2 (c1 int, c2 varchar(20)) ENGINE=MyISAM; +CREATE TABLE t3 (c1 int, c2 varchar(20)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +INSERT INTO t2 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +INSERT INTO t3 VALUES (1,'aaaaaaaaaaaaaaaaaaaa'),(2, 'bbbbbbbbbbbbbbbbbbbbbbb'); +Warnings: +Warning 1265 Data truncated for column 'c2' at row 2 +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +USE hotcopy_save; +SELECT * FROM t1; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t2; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t3; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +USE hotcopy_test; +DELETE FROM t1; +SELECT * FROM t1; +c1 c2 +USE hotcopy_save; +SELECT * FROM t1; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t2; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t3; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +USE hotcopy_test; +DROP TABLE t2; +db.opt +t1.MYD +t1.MYI +t1.frm +t3.MYD +t3.MYI +t3.frm +FLUSH TABLES; +SELECT * FROM t1; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t2; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +SELECT * FROM t3; +c1 c2 +1 aaaaaaaaaaaaaaaaaaaa +2 bbbbbbbbbbbbbbbbbbbb +USE hotcopy_test; +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +DROP DATABASE hotcopy_save; +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +DROP DATABASE hotcopy_save; +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +db.opt +t1.MYD +t1.MYI +t1.frm +t2.MYD +t2.MYI +t2.frm +t3.MYD +t3.MYI +t3.frm +DROP DATABASE hotcopy_test_cpy; +DROP DATABASE hotcopy_test; +DROP DATABASE hotcopy_save; +DROP DATABASE hotcopy_save_old; diff --git a/mysql-test/t/mysqlhotcopy_archive.test b/mysql-test/t/mysqlhotcopy_archive.test new file mode 100644 index 00000000000..4bfad3ce138 --- /dev/null +++ b/mysql-test/t/mysqlhotcopy_archive.test @@ -0,0 +1,8 @@ +# Test of mysqlhotcopy (perl script) +# Author: Horst Hunger +# Created: 2010-05-10 + +--source include/have_archive.inc +let $engine= archive; +--source include/mysqlhotcopy.inc +--exit diff --git a/mysql-test/t/mysqlhotcopy_myisam.test b/mysql-test/t/mysqlhotcopy_myisam.test new file mode 100644 index 00000000000..adf26e42245 --- /dev/null +++ b/mysql-test/t/mysqlhotcopy_myisam.test @@ -0,0 +1,7 @@ +# Test of mysqlhotcopy (perl script) +# Author: Horst Hunger +# Created: 2010-05-10 + +let $engine= MyISAM; +--source include/mysqlhotcopy.inc +--exit From 7e84f28c74e6e75f2093fa7e21b6a2b3781b9fe9 Mon Sep 17 00:00:00 2001 From: "Horst.Hunger" Date: Fri, 4 Jun 2010 11:31:03 +0200 Subject: [PATCH 398/400] merge of patch for bug#52913 from 5.1-bugteam to trunk-bugfixing. Changed $basedir to $bindir in mysql-test-run.pl. --- mysql-test/include/mysqlhotcopy.inc | 5 +++++ mysql-test/mysql-test-run.pl | 2 +- mysql-test/t/disabled.def | 2 ++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/mysql-test/include/mysqlhotcopy.inc b/mysql-test/include/mysqlhotcopy.inc index 585f8c13e74..b3fd5e47179 100644 --- a/mysql-test/include/mysqlhotcopy.inc +++ b/mysql-test/include/mysqlhotcopy.inc @@ -5,6 +5,11 @@ --source include/not_windows.inc --source include/not_embedded.inc +if ($MYSQLHOTCOPY) +{ + die due to missing mysqlhotcopy tool; +} + let $MYSQLD_DATADIR= `SELECT @@datadir`; --disable_warnings DROP DATABASE IF EXISTS hotcopy_test; diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 83c07eaa5f1..fa2db663e1e 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -2114,7 +2114,7 @@ sub environment_setup { # mysqlhotcopy # ---------------------------------------------------- my $mysqlhotcopy= - mtr_pl_maybe_exists("$basedir/scripts/mysqlhotcopy"); + mtr_pl_maybe_exists("$bindir/scripts/mysqlhotcopy"); # Since mysqltest interprets the real path as "false" in an if, # use 1 ("true") to indicate "not exists" so it can be tested for $ENV{'MYSQLHOTCOPY'}= $mysqlhotcopy || 1; diff --git a/mysql-test/t/disabled.def b/mysql-test/t/disabled.def index ac1f62a508c..cf64289bb5d 100644 --- a/mysql-test/t/disabled.def +++ b/mysql-test/t/disabled.def @@ -13,3 +13,5 @@ kill : Bug#37780 2008-12-03 HHunger need some changes to be query_cache_28249 : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically sp_sync : Bug#48157 2010-02-06 5.5-m3 demands a differnt solution plugin_load : Bug#42144 2009-12-21 alik plugin_load fails +mysqlhotcopy_myisam : bug#54129 2010-06-04 Horst +mysqlhotcopy_archive : bug#54129 2010-06-04 Horst From 5dec0c963713822cafc5f2f65b485e8846938318 Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Mon, 31 May 2010 12:29:54 -0300 Subject: [PATCH 399/400] Bug#53445: Build with -Wall and fix warnings that it generates Fix various mismatches between function's language linkage. Any particular function that is declared in C++ but should be callable from C must have C linkage. Note that function types with different linkages are also distinct. Thus, if a function type is declared in C code, it will have C linkage (same if declared in a extern "C" block). --- client/mysql.cc | 10 ++-- client/mysqltest.cc | 30 +++++++----- cmd-line-utils/readline/input.c | 2 + include/my_alloc.h | 5 ++ include/my_base.h | 2 + include/my_global.h | 5 ++ include/mysql.h.pp | 2 + mysys/my_gethwaddr.c | 56 ++++++++++++----------- plugin/semisync/semisync_master_plugin.cc | 4 ++ plugin/semisync/semisync_slave_plugin.cc | 3 ++ sql/derror.cc | 5 +- sql/field.cc | 21 +++++---- sql/handler.cc | 7 +-- sql/item_sum.cc | 12 +++-- sql/item_sum.h | 14 +++++- sql/mdl.h | 2 +- sql/mysqld.cc | 21 +++++---- sql/opt_range.cc | 44 ++++++++++-------- sql/opt_range.h | 1 - sql/partition_info.cc | 31 ++++++++++--- sql/rpl_utility.h | 4 +- sql/sql_class.cc | 10 ++-- sql/sql_class.h | 2 +- sql/sql_select.cc | 4 +- sql/sql_select.h | 1 - sql/sql_show.cc | 3 ++ sql/sql_test.cc | 29 +++++++++--- sql/sql_test.h | 2 +- storage/myisammrg/ha_myisammrg.cc | 14 ++++-- storage/perfschema/pfs.cc | 7 ++- storage/perfschema/pfs_instr.cc | 4 ++ storage/perfschema/pfs_instr_class.cc | 4 ++ storage/perfschema/pfs_server.cc | 7 ++- 33 files changed, 245 insertions(+), 123 deletions(-) diff --git a/client/mysql.cc b/client/mysql.cc index 4a7a8f0e58c..45fabe9cf8c 100644 --- a/client/mysql.cc +++ b/client/mysql.cc @@ -2316,8 +2316,10 @@ static bool add_line(String &buffer,char *line,char *in_string, #ifdef HAVE_READLINE +C_MODE_START static char *new_command_generator(const char *text, int); -extern "C" char **new_mysql_completion (const char *text, int start, int end); +static char **new_mysql_completion(const char *text, int start, int end); +C_MODE_END /* Tell the GNU Readline library how to complete. We want to try to complete @@ -2449,9 +2451,9 @@ static void initialize_readline (char *name) array of matches, or NULL if there aren't any. */ -char **new_mysql_completion (const char *text, - int start __attribute__((unused)), - int end __attribute__((unused))) +static char **new_mysql_completion(const char *text, + int start __attribute__((unused)), + int end __attribute__((unused))) { if (!status.batch && !quick) #if defined(USE_NEW_READLINE_INTERFACE) diff --git a/client/mysqltest.cc b/client/mysqltest.cc index 24d520ff97f..d0c948e67bb 100644 --- a/client/mysqltest.cc +++ b/client/mysqltest.cc @@ -77,6 +77,12 @@ static int setenv(const char *name, const char *value, int overwrite); #endif +C_MODE_START +static sig_handler signal_handler(int sig); +static my_bool get_one_option(int optid, const struct my_option *, + char *argument); +C_MODE_END + enum { OPT_SKIP_SAFEMALLOC=OPT_MAX_CLIENT_OPTION, OPT_PS_PROTOCOL, OPT_SP_PROTOCOL, OPT_CURSOR_PROTOCOL, OPT_VIEW_PROTOCOL, @@ -462,7 +468,6 @@ void log_msg(const char *fmt, ...) VAR* var_from_env(const char *, const char *); VAR* var_init(VAR* v, const char *name, int name_len, const char *val, int val_len); -void var_free(void* v); VAR* var_get(const char *var_name, const char** var_name_end, my_bool raw, my_bool ignore_not_existing); void eval_expr(VAR* v, const char *p, const char** p_end); @@ -1914,6 +1919,8 @@ static void strip_parentheses(struct st_command *command) } +C_MODE_START + static uchar *get_var_key(const uchar* var, size_t *len, my_bool __attribute__((unused)) t) { @@ -1924,6 +1931,16 @@ static uchar *get_var_key(const uchar* var, size_t *len, } +static void var_free(void *v) +{ + my_free(((VAR*) v)->str_val, MYF(MY_WME)); + if (((VAR*)v)->alloced) + my_free(v, MYF(MY_WME)); +} + +C_MODE_END + + VAR *var_init(VAR *v, const char *name, int name_len, const char *val, int val_len) { @@ -1966,14 +1983,6 @@ VAR *var_init(VAR *v, const char *name, int name_len, const char *val, } -void var_free(void *v) -{ - my_free(((VAR*) v)->str_val, MYF(MY_WME)); - if (((VAR*)v)->alloced) - my_free(v, MYF(MY_WME)); -} - - VAR* var_from_env(const char *name, const char *def_val) { const char *tmp; @@ -6070,8 +6079,7 @@ void read_embedded_server_arguments(const char *name) static my_bool -get_one_option(int optid, const struct my_option *opt __attribute__((unused)), - char *argument) +get_one_option(int optid, const struct my_option *, char *argument) { switch(optid) { case '#': diff --git a/cmd-line-utils/readline/input.c b/cmd-line-utils/readline/input.c index 84c0422059a..af81d9cd3b0 100644 --- a/cmd-line-utils/readline/input.c +++ b/cmd-line-utils/readline/input.c @@ -318,7 +318,9 @@ _rl_input_available () return (_kbhit ()); #endif +#if !defined (HAVE_SELECT) return 0; +#endif } int diff --git a/include/my_alloc.h b/include/my_alloc.h index 93b7438a1df..dbf104bda9a 100644 --- a/include/my_alloc.h +++ b/include/my_alloc.h @@ -23,6 +23,8 @@ #define ALLOC_MAX_BLOCK_TO_DROP 4096 #define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP 10 +C_MODE_START + typedef struct st_used_mem { /* struct for once_alloc (block) */ struct st_used_mem *next; /* Next block in use */ @@ -48,4 +50,7 @@ typedef struct st_mem_root void (*error_handler)(void); } MEM_ROOT; + +C_MODE_END + #endif diff --git a/include/my_base.h b/include/my_base.h index 7766d4165a2..28dc55b1b84 100644 --- a/include/my_base.h +++ b/include/my_base.h @@ -562,6 +562,8 @@ typedef ulong ha_rows; #define HA_VARCHAR_PACKLENGTH(field_length) ((field_length) < 256 ? 1 :2) /* invalidator function reference for Query Cache */ +C_MODE_START typedef void (* invalidator_by_filename)(const char * filename); +C_MODE_END #endif /* _my_base_h */ diff --git a/include/my_global.h b/include/my_global.h index 41735f4e4f5..c21a8a1f9ea 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -73,6 +73,11 @@ #define C_MODE_END #endif +#ifdef __cplusplus +#define CPP_UNNAMED_NS_START namespace { +#define CPP_UNNAMED_NS_END } +#endif + #if defined(_WIN32) #include #elif defined(__NETWARE__) diff --git a/include/mysql.h.pp b/include/mysql.h.pp index 4fef9e9ec0b..9c1d8adcd2f 100644 --- a/include/mysql.h.pp +++ b/include/mysql.h.pp @@ -202,6 +202,7 @@ typedef unsigned int MYSQL_FIELD_OFFSET; typedef unsigned long long my_ulonglong; #include "typelib.h" #include "my_alloc.h" +C_MODE_START typedef struct st_used_mem { struct st_used_mem *next; @@ -219,6 +220,7 @@ typedef struct st_mem_root unsigned int first_block_usage; void (*error_handler)(void); } MEM_ROOT; +C_MODE_END typedef struct st_typelib { unsigned int count; const char *name; diff --git a/mysys/my_gethwaddr.c b/mysys/my_gethwaddr.c index 38fa0313c5d..c6a7af58f57 100644 --- a/mysys/my_gethwaddr.c +++ b/mysys/my_gethwaddr.c @@ -102,47 +102,49 @@ err: } #elif defined(__WIN__) - -/* Workaround for BUG#32082 (Definition of VOID in my_global.h conflicts with -windows headers) */ -#ifdef VOID -#undef VOID -#define VOID void -#endif + +/* + Workaround for BUG#32082 (Definition of VOID in my_global.h conflicts with + windows headers) +*/ +#ifdef VOID +#undef VOID +#define VOID void +#endif #include -/* - The following typedef is for dynamically loading - iphlpapi.dll / GetAdaptersAddresses. Dynamic loading is - used because GetAdaptersAddresses is not available on Windows 2000 - which MySQL still supports. Static linking would cause an unresolved export. +/* + The following typedef is for dynamically loading iphlpapi.dll / + GetAdaptersAddresses. Dynamic loading is used because + GetAdaptersAddresses is not available on Windows 2000 which MySQL + still supports. Static linking would cause an unresolved export. */ typedef DWORD (WINAPI *pfnGetAdaptersAddresses)(IN ULONG Family, IN DWORD Flags,IN PVOID Reserved, - OUT PIP_ADAPTER_ADDRESSES pAdapterAddresses, + OUT PIP_ADAPTER_ADDRESSES pAdapterAddresses, IN OUT PULONG pOutBufLen); /* - my_gethwaddr - Windows version + my_gethwaddr - Windows version @brief Retrieve MAC address from network hardware - + @param[out] to MAC address exactly six bytes - + @return Operation status @retval 0 OK - @retval <>0 FAILED + @retval <>0 FAILED */ my_bool my_gethwaddr(uchar *to) -{ +{ PIP_ADAPTER_ADDRESSES pAdapterAddresses; PIP_ADAPTER_ADDRESSES pCurrAddresses; IP_ADAPTER_ADDRESSES adapterAddresses; ULONG address_len; - my_bool return_val= 1; - static pfnGetAdaptersAddresses fnGetAdaptersAddresses= - (pfnGetAdaptersAddresses)-1; + my_bool return_val= 1; + static pfnGetAdaptersAddresses fnGetAdaptersAddresses= + (pfnGetAdaptersAddresses)-1; if(fnGetAdaptersAddresses == (pfnGetAdaptersAddresses)-1) { @@ -156,7 +158,7 @@ my_bool my_gethwaddr(uchar *to) address_len= sizeof (IP_ADAPTER_ADDRESSES); /* Get the required size for the address data. */ - if (fnGetAdaptersAddresses(AF_UNSPEC, 0, 0, &adapterAddresses, &address_len) + if (fnGetAdaptersAddresses(AF_UNSPEC, 0, 0, &adapterAddresses, &address_len) == ERROR_BUFFER_OVERFLOW) { pAdapterAddresses= my_malloc(address_len, 0); @@ -167,29 +169,29 @@ my_bool my_gethwaddr(uchar *to) pAdapterAddresses= &adapterAddresses; /* one is enough don't alloc */ /* Get the hardware info. */ - if (fnGetAdaptersAddresses(AF_UNSPEC, 0, 0, pAdapterAddresses, &address_len) + if (fnGetAdaptersAddresses(AF_UNSPEC, 0, 0, pAdapterAddresses, &address_len) == NO_ERROR) { pCurrAddresses= pAdapterAddresses; - while (pCurrAddresses) + while (pCurrAddresses) { /* Look for ethernet cards. */ if (pCurrAddresses->IfType == IF_TYPE_ETHERNET_CSMACD) { /* check for a good address */ if (pCurrAddresses->PhysicalAddressLength < 6) - continue; /* bad address */ + continue; /* bad address */ /* save 6 bytes of the address in the 'to' parameter */ memcpy(to, pCurrAddresses->PhysicalAddress, 6); /* Network card found, we're done. */ return_val= 0; - break; + break; } pCurrAddresses= pCurrAddresses->Next; - } + } } /* Clean up memory allocation. */ diff --git a/plugin/semisync/semisync_master_plugin.cc b/plugin/semisync/semisync_master_plugin.cc index d6cc23a43b7..a55ba184a17 100644 --- a/plugin/semisync/semisync_master_plugin.cc +++ b/plugin/semisync/semisync_master_plugin.cc @@ -20,6 +20,8 @@ ReplSemiSyncMaster repl_semisync; +C_MODE_START + int repl_semi_report_binlog_update(Binlog_storage_param *param, const char *log_file, my_off_t log_pos, uint32 flags) @@ -145,6 +147,8 @@ int repl_semi_reset_master(Binlog_transmit_param *param) return 0; } +C_MODE_END + /* semisync system variables */ diff --git a/plugin/semisync/semisync_slave_plugin.cc b/plugin/semisync/semisync_slave_plugin.cc index 66073f8a5e6..5aa32cdfd5f 100644 --- a/plugin/semisync/semisync_slave_plugin.cc +++ b/plugin/semisync/semisync_slave_plugin.cc @@ -29,6 +29,8 @@ ReplSemiSyncSlave repl_semisync; */ bool semi_sync_need_reply= false; +C_MODE_START + int repl_semi_reset_slave(Binlog_relay_IO_param *param) { // TODO: reset semi-sync slave status here @@ -124,6 +126,7 @@ int repl_semi_slave_io_end(Binlog_relay_IO_param *param) return repl_semisync.slaveStop(param); } +C_MODE_END static void fix_rpl_semi_sync_slave_enabled(MYSQL_THD thd, SYS_VAR *var, diff --git a/sql/derror.cc b/sql/derror.cc index 04a82860d45..7f1435e89c1 100644 --- a/sql/derror.cc +++ b/sql/derror.cc @@ -32,11 +32,12 @@ static void init_myfunc_errs(void); -const char **get_server_errmsgs() +C_MODE_START +static const char **get_server_errmsgs() { return CURRENT_THD_ERRMSGS; } - +C_MODE_END /** Read messages from errorfile. diff --git a/sql/field.cc b/sql/field.cc index ac40ae53d7c..88a7f43819d 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -1009,17 +1009,20 @@ test_if_important_data(CHARSET_INFO *cs, const char *str, const char *strend) Used below. In an anonymous namespace to not clash with definitions in other files. */ -namespace { - int compare(unsigned int a, unsigned int b) - { - if (a < b) - return -1; - if (b < a) - return 1; - return 0; -} + +CPP_UNNAMED_NS_START + +int compare(unsigned int a, unsigned int b) +{ + if (a < b) + return -1; + if (b < a) + return 1; + return 0; } +CPP_UNNAMED_NS_END + /** Detect Item_result by given field type of UNION merge result. diff --git a/sql/handler.cc b/sql/handler.cc index 844c7305825..11f684a8010 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -299,13 +299,14 @@ handler *get_ha_partition(partition_info *part_info) #endif -const char **handler_errmsgs; +static const char **handler_errmsgs; - -const char **get_handler_errmsgs() +C_MODE_START +static const char **get_handler_errmsgs() { return handler_errmsgs; } +C_MODE_END /** diff --git a/sql/item_sum.cc b/sql/item_sum.cc index 917acb0e908..15927c4b11e 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -2827,6 +2827,7 @@ String *Item_sum_udf_str::val_str(String *str) @retval 1 : key1 > key2 */ +extern "C" int group_concat_key_cmp_with_distinct(void* arg, const void* key1, const void* key2) { @@ -2861,6 +2862,7 @@ int group_concat_key_cmp_with_distinct(void* arg, const void* key1, function of sort for syntax: GROUP_CONCAT(expr,... ORDER BY col,... ) */ +extern "C" int group_concat_key_cmp_with_order(void* arg, const void* key1, const void* key2) { @@ -2905,13 +2907,16 @@ int group_concat_key_cmp_with_order(void* arg, const void* key1, Append data from current leaf to item->result. */ -int dump_leaf_key(uchar* key, element_count count __attribute__((unused)), - Item_func_group_concat *item) +extern "C" +int dump_leaf_key(void* key_arg, element_count count __attribute__((unused)), + void* item_arg) { + Item_func_group_concat *item= (Item_func_group_concat *) item_arg; TABLE *table= item->table; String tmp((char *)table->record[1], table->s->reclength, default_charset_info); String tmp2; + uchar *key= (uchar *) key_arg; String *result= &item->result; Item **arg= item->args, **arg_end= item->args + item->arg_count_field; uint old_length= result->length(); @@ -3385,8 +3390,7 @@ String* Item_func_group_concat::val_str(String* str) return 0; if (no_appended && tree) /* Tree is used for sorting as in ORDER BY */ - tree_walk(tree, (tree_walk_action)&dump_leaf_key, (void*)this, - left_root_right); + tree_walk(tree, &dump_leaf_key, this, left_root_right); return &result; } diff --git a/sql/item_sum.h b/sql/item_sum.h index c76f3102003..99fcb14d160 100644 --- a/sql/item_sum.h +++ b/sql/item_sum.h @@ -1319,6 +1319,16 @@ public: #endif /* HAVE_DLOPEN */ +C_MODE_START +int group_concat_key_cmp_with_distinct(void* arg, const void* key1, + const void* key2); +int group_concat_key_cmp_with_order(void* arg, const void* key1, + const void* key2); +int dump_leaf_key(void* key_arg, + element_count count __attribute__((unused)), + void* item_arg); +C_MODE_END + class Item_func_group_concat : public Item_sum { TMP_TABLE_PARAM *tmp_table_param; @@ -1358,9 +1368,9 @@ class Item_func_group_concat : public Item_sum const void* key2); friend int group_concat_key_cmp_with_order(void* arg, const void* key1, const void* key2); - friend int dump_leaf_key(uchar* key, + friend int dump_leaf_key(void* key_arg, element_count count __attribute__((unused)), - Item_func_group_concat *group_concat_item); + void* item_arg); public: Item_func_group_concat(Name_resolution_context *context_arg, diff --git a/sql/mdl.h b/sql/mdl.h index 2fb21a5aa18..89a679be264 100644 --- a/sql/mdl.h +++ b/sql/mdl.h @@ -718,7 +718,7 @@ void mdl_destroy(); extern bool mysql_notify_thread_having_shared_lock(THD *thd, THD *in_use, bool needs_thr_lock_abort); extern void mysql_ha_flush(THD *thd); -extern "C" const char *set_thd_proc_info(THD *thd, const char *info, +extern "C" const char *set_thd_proc_info(void *thd_arg, const char *info, const char *calling_function, const char *calling_file, const unsigned int calling_line); diff --git a/sql/mysqld.cc b/sql/mysqld.cc index eb76132c080..db0080451f2 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -857,12 +857,15 @@ void Buffered_logs::print() /** Logs reported before a logger is available. */ static Buffered_logs buffered_logs; +#ifndef EMBEDDED_LIBRARY /** Error reporter that buffer log messages. @param level log message level @param format log message format string */ -void buffered_option_error_reporter(enum loglevel level, const char *format, ...) +C_MODE_START +static void buffered_option_error_reporter(enum loglevel level, + const char *format, ...) { va_list args; char buffer[1024]; @@ -872,6 +875,8 @@ void buffered_option_error_reporter(enum loglevel level, const char *format, ... va_end(args); buffered_logs.buffer(level, buffer); } +C_MODE_END +#endif /* !EMBEDDED_LIBRARY */ #endif /* WITH_PERFSCHEMA_STORAGE_ENGINE */ static my_socket unix_sock,ip_sock; @@ -973,7 +978,6 @@ uint connection_count= 0; pthread_handler_t signal_hand(void *arg); static int mysql_init_variables(void); -extern "C" void option_error_reporter(enum loglevel level, const char *format, ...); static int get_options(int *argc_ptr, char ***argv_ptr); static bool add_terminator(DYNAMIC_ARRAY *options); extern "C" my_bool mysqld_get_one_option(int, const struct my_option *, char *); @@ -4020,9 +4024,8 @@ static int init_server_components() } } - proc_info_hook= (const char *(*)(void *, const char *, const char *, - const char *, const unsigned int)) - set_thd_proc_info; + proc_info_hook= set_thd_proc_info; + #ifdef WITH_PERFSCHEMA_STORAGE_ENGINE /* Parsing the performance schema command line option may have reported @@ -7420,10 +7423,7 @@ mysqld_get_one_option(int optid, /** Handle arguments for multiple key caches. */ -extern "C" int mysql_getopt_value(uchar **value, - const char *keyname, uint key_length, - const struct my_option *option, - int *error); +C_MODE_START static uchar* * mysql_getopt_value(const char *keyname, uint key_length, @@ -7459,7 +7459,7 @@ mysql_getopt_value(const char *keyname, uint key_length, return option->value; } -void option_error_reporter(enum loglevel level, const char *format, ...) +static void option_error_reporter(enum loglevel level, const char *format, ...) { va_list args; va_start(args, format); @@ -7473,6 +7473,7 @@ void option_error_reporter(enum loglevel level, const char *format, ...) va_end(args); } +C_MODE_END /** Get server options from the command line, diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 5e985625c78..9363b637862 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -1538,6 +1538,29 @@ QUICK_ROR_UNION_SELECT::QUICK_ROR_UNION_SELECT(THD *thd_param, } +/* + Comparison function to be used QUICK_ROR_UNION_SELECT::queue priority + queue. + + SYNPOSIS + QUICK_ROR_UNION_SELECT_queue_cmp() + arg Pointer to QUICK_ROR_UNION_SELECT + val1 First merged select + val2 Second merged select +*/ + +C_MODE_START + +static int QUICK_ROR_UNION_SELECT_queue_cmp(void *arg, uchar *val1, uchar *val2) +{ + QUICK_ROR_UNION_SELECT *self= (QUICK_ROR_UNION_SELECT*)arg; + return self->head->file->cmp_ref(((QUICK_SELECT_I*)val1)->last_rowid, + ((QUICK_SELECT_I*)val2)->last_rowid); +} + +C_MODE_END + + /* Do post-constructor initialization. SYNOPSIS @@ -1552,7 +1575,7 @@ int QUICK_ROR_UNION_SELECT::init() { DBUG_ENTER("QUICK_ROR_UNION_SELECT::init"); if (init_queue(&queue, quick_selects.elements, 0, - FALSE , QUICK_ROR_UNION_SELECT::queue_cmp, + FALSE , QUICK_ROR_UNION_SELECT_queue_cmp, (void*) this)) { bzero(&queue, sizeof(QUEUE)); @@ -1566,25 +1589,6 @@ int QUICK_ROR_UNION_SELECT::init() } -/* - Comparison function to be used QUICK_ROR_UNION_SELECT::queue priority - queue. - - SYNPOSIS - QUICK_ROR_UNION_SELECT::queue_cmp() - arg Pointer to QUICK_ROR_UNION_SELECT - val1 First merged select - val2 Second merged select -*/ - -int QUICK_ROR_UNION_SELECT::queue_cmp(void *arg, uchar *val1, uchar *val2) -{ - QUICK_ROR_UNION_SELECT *self= (QUICK_ROR_UNION_SELECT*)arg; - return self->head->file->cmp_ref(((QUICK_SELECT_I*)val1)->last_rowid, - ((QUICK_SELECT_I*)val2)->last_rowid); -} - - /* Initialize quick select for row retrieval. SYNOPSIS diff --git a/sql/opt_range.h b/sql/opt_range.h index 85d59671b42..72f2eb4b51d 100644 --- a/sql/opt_range.h +++ b/sql/opt_range.h @@ -657,7 +657,6 @@ public: bool have_prev_rowid; /* true if prev_rowid has valid data */ uint rowid_length; /* table rowid length */ private: - static int queue_cmp(void *arg, uchar *val1, uchar *val2); bool scans_inited; }; diff --git a/sql/partition_info.cc b/sql/partition_info.cc index a689d53d953..5b0b681c3a6 100644 --- a/sql/partition_info.cc +++ b/sql/partition_info.cc @@ -802,7 +802,8 @@ range_not_increasing_error: -1 a < b */ -int partition_info::list_part_cmp(const void* a, const void* b) +extern "C" +int partition_info_list_part_cmp(const void* a, const void* b) { longlong a1= ((LIST_PART_ENTRY*)a)->list_value; longlong b1= ((LIST_PART_ENTRY*)b)->list_value; @@ -814,7 +815,14 @@ int partition_info::list_part_cmp(const void* a, const void* b) return 0; } - /* + +int partition_info::list_part_cmp(const void* a, const void* b) +{ + return partition_info_list_part_cmp(a, b); +} + + +/* Compare two lists of column values in RANGE/LIST partitioning SYNOPSIS compare_column_values() @@ -826,8 +834,9 @@ int partition_info::list_part_cmp(const void* a, const void* b) +1 First argument is larger */ -int partition_info::compare_column_values(const void *first_arg, - const void *second_arg) +extern "C" +int partition_info_compare_column_values(const void *first_arg, + const void *second_arg) { const part_column_list_val *first= (part_column_list_val*)first_arg; const part_column_list_val *second= (part_column_list_val*)second_arg; @@ -863,6 +872,14 @@ int partition_info::compare_column_values(const void *first_arg, return 0; } + +int partition_info::compare_column_values(const void *first_arg, + const void *second_arg) +{ + return partition_info_compare_column_values(first_arg, second_arg); +} + + /* This routine allocates an array for all list constants to achieve a fast check what partition a certain value belongs to. At the same time it does @@ -895,7 +912,7 @@ bool partition_info::check_list_constants(THD *thd) void *UNINIT_VAR(prev_value); partition_element* part_def; bool found_null= FALSE; - int (*compare_func)(const void *, const void*); + qsort_cmp compare_func; void *ptr; List_iterator list_func_it(partitions); DBUG_ENTER("partition_info::check_list_constants"); @@ -952,7 +969,7 @@ bool partition_info::check_list_constants(THD *thd) part_column_list_val *loc_list_col_array; loc_list_col_array= (part_column_list_val*)ptr; list_col_array= (part_column_list_val*)ptr; - compare_func= compare_column_values; + compare_func= partition_info_compare_column_values; i= 0; do { @@ -972,7 +989,7 @@ bool partition_info::check_list_constants(THD *thd) } else { - compare_func= list_part_cmp; + compare_func= partition_info_list_part_cmp; list_array= (LIST_PART_ENTRY*)ptr; i= 0; /* diff --git a/sql/rpl_utility.h b/sql/rpl_utility.h index cf28d2c8e29..25f2a60bece 100644 --- a/sql/rpl_utility.h +++ b/sql/rpl_utility.h @@ -233,7 +233,7 @@ struct RPL_TABLE_LIST /* Anonymous namespace for template functions/classes */ -namespace { +CPP_UNNAMED_NS_START /* Smart pointer that will automatically call my_afree (a macro) when @@ -260,7 +260,7 @@ namespace { Obj* get() { return m_ptr; } }; -} +CPP_UNNAMED_NS_END #endif // NB. number of printed bit values is limited to sizeof(buf) - 1 diff --git a/sql/sql_class.cc b/sql/sql_class.cc index b090f35a607..ac092756a74 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -261,11 +261,13 @@ int thd_tablespace_op(const THD *thd) extern "C" -const char *set_thd_proc_info(THD *thd, const char *info, +const char *set_thd_proc_info(void *thd_arg, const char *info, const char *calling_function, const char *calling_file, const unsigned int calling_line) { + THD *thd= (THD *) thd_arg; + if (!thd) thd= current_thd; @@ -4207,7 +4209,9 @@ field_type_name(enum_field_types type) #endif -namespace { +/* Declare in unnamed namespace. */ +CPP_UNNAMED_NS_START + /** Class to handle temporary allocation of memory for row data. @@ -4326,8 +4330,8 @@ namespace { uchar *m_memory; uchar *m_ptr[2]; }; -} +CPP_UNNAMED_NS_END int THD::binlog_write_row(TABLE* table, bool is_trans, MY_BITMAP const* cols, size_t colcnt, diff --git a/sql/sql_class.h b/sql/sql_class.h index 015a87cb5cc..f1fce5ef472 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -3685,7 +3685,7 @@ inline bool add_group_to_list(THD *thd, Item *item, bool asc) three calling-info parameters. */ extern "C" -const char *set_thd_proc_info(THD *thd, const char *info, +const char *set_thd_proc_info(void *thd_arg, const char *info, const char *calling_func, const char *calling_file, const unsigned int calling_line); diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 8112bbba267..10884a95b74 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -44,7 +44,7 @@ #include "sql_partition.h" // make_used_partitions_str #include "sql_acl.h" // *_ACL #include "sql_test.h" // print_where, print_keyuse_array, - // print_sjm, print_plan + // print_sjm, print_plan, TEST_join #include "records.h" // init_read_record, end_read_record #include "filesort.h" // filesort_free_buffers #include "sql_union.h" // mysql_union @@ -90,8 +90,10 @@ static bool best_extension_by_limited_search(JOIN *join, double read_time, uint depth, uint prune_level); static uint determine_search_depth(JOIN* join); +C_MODE_START static int join_tab_cmp(const void* ptr1, const void* ptr2); static int join_tab_cmp_straight(const void* ptr1, const void* ptr2); +C_MODE_END /* TODO: 'find_best' is here only temporarily until 'greedy_search' is tested and approved. diff --git a/sql/sql_select.h b/sql/sql_select.h index ccf88c2cc5c..2c44dba74c3 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -597,7 +597,6 @@ typedef struct st_select_check { } SELECT_CHECK; extern const char *join_type_str[]; -void TEST_join(JOIN *join); /* Extern functions in sql_select.cc */ bool store_val_in_field(Field *field, Item *val, enum_check_fields check_flag); diff --git a/sql/sql_show.cc b/sql/sql_show.cc index dda434a557a..16a17744279 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -1945,10 +1945,13 @@ int fill_schema_processlist(THD* thd, TABLE_LIST* tables, COND* cond) static DYNAMIC_ARRAY all_status_vars; static bool status_vars_inited= 0; + +C_MODE_START static int show_var_cmp(const void *var1, const void *var2) { return strcmp(((SHOW_VAR*)var1)->name, ((SHOW_VAR*)var2)->name); } +C_MODE_END /* deletes all the SHOW_UNDEF elements from the array and calls diff --git a/sql/sql_test.cc b/sql/sql_test.cc index d34aee854d0..43d203e6498 100644 --- a/sql/sql_test.cc +++ b/sql/sql_test.cc @@ -76,7 +76,7 @@ print_where(COND *cond,const char *info, enum_query_type query_type) /* This is for debugging purposes */ -void print_cached_tables(void) +static void print_cached_tables(void) { uint idx,count,unused; TABLE_SHARE *share; @@ -341,6 +341,11 @@ print_plan(JOIN* join, uint idx, double record_count, double read_time, #endif +C_MODE_START +static int dl_compare(const void *p1, const void *p2); +static int print_key_cache_status(const char *name, KEY_CACHE *key_cache); +C_MODE_END + typedef struct st_debug_lock { ulong thread_id; @@ -350,8 +355,13 @@ typedef struct st_debug_lock enum thr_lock_type type; } TABLE_LOCK_INFO; -static int dl_compare(TABLE_LOCK_INFO *a,TABLE_LOCK_INFO *b) +static int dl_compare(const void *p1, const void *p2) { + TABLE_LOCK_INFO *a, *b; + + a= (TABLE_LOCK_INFO *) p1; + b= (TABLE_LOCK_INFO *) p2; + if (a->thread_id > b->thread_id) return 1; if (a->thread_id < b->thread_id) @@ -401,9 +411,10 @@ static void push_locks_into_array(DYNAMIC_ARRAY *ar, THR_LOCK_DATA *data, function so that we can easily add this if we ever need this. */ -static void display_table_locks(void) +static void display_table_locks(void) { LIST *list; + void *saved_base; DYNAMIC_ARRAY saved_table_locks; (void) my_init_dynamic_array(&saved_table_locks,sizeof(TABLE_LOCK_INFO), table_cache_count + 20,50); @@ -424,13 +435,17 @@ static void display_table_locks(void) mysql_mutex_unlock(&lock->mutex); } mysql_mutex_unlock(&THR_LOCK_lock); - if (!saved_table_locks.elements) goto end; - - qsort((uchar*) dynamic_element(&saved_table_locks,0,TABLE_LOCK_INFO *),saved_table_locks.elements,sizeof(TABLE_LOCK_INFO),(qsort_cmp) dl_compare); + + if (!saved_table_locks.elements) + goto end; + + saved_base= dynamic_element(&saved_table_locks, 0, TABLE_LOCK_INFO *); + my_qsort(saved_base, saved_table_locks.elements, sizeof(TABLE_LOCK_INFO), + dl_compare); freeze_size(&saved_table_locks); puts("\nThread database.table_name Locked/Waiting Lock_type\n"); - + unsigned int i; for (i=0 ; i < saved_table_locks.elements ; i++) { diff --git a/sql/sql_test.h b/sql/sql_test.h index 539e89ec949..d7fcc126cb2 100644 --- a/sql/sql_test.h +++ b/sql/sql_test.h @@ -26,8 +26,8 @@ typedef struct st_sort_field SORT_FIELD; #ifndef DBUG_OFF void print_where(COND *cond,const char *info, enum_query_type query_type); -void print_cached_tables(void); void TEST_filesort(SORT_FIELD *sortorder,uint s_length); +void TEST_join(JOIN *join); void print_plan(JOIN* join,uint idx, double record_count, double read_time, double current_read_time, const char *info); void dump_TABLE_LIST_graph(SELECT_LEX *select_lex, TABLE_LIST* tl); diff --git a/storage/myisammrg/ha_myisammrg.cc b/storage/myisammrg/ha_myisammrg.cc index 6b7e60b126c..9fc868a2ebe 100644 --- a/storage/myisammrg/ha_myisammrg.cc +++ b/storage/myisammrg/ha_myisammrg.cc @@ -221,8 +221,10 @@ const char *ha_myisammrg::index_type(uint key_number) children_last_l -----------------------------------------+ */ -static int myisammrg_parent_open_callback(void *callback_param, - const char *filename) +CPP_UNNAMED_NS_START + +extern "C" int myisammrg_parent_open_callback(void *callback_param, + const char *filename) { ha_myisammrg *ha_myrg= (ha_myisammrg*) callback_param; TABLE *parent= ha_myrg->table_ptr(); @@ -320,6 +322,8 @@ static int myisammrg_parent_open_callback(void *callback_param, DBUG_RETURN(0); } +CPP_UNNAMED_NS_END + /** Open a MERGE parent table, but not its children. @@ -575,7 +579,9 @@ public: next child table. It is called for each child table. */ -static MI_INFO *myisammrg_attach_children_callback(void *callback_param) +CPP_UNNAMED_NS_START + +extern "C" MI_INFO *myisammrg_attach_children_callback(void *callback_param) { Mrg_attach_children_callback_param *param= (Mrg_attach_children_callback_param*) callback_param; @@ -643,6 +649,8 @@ static MI_INFO *myisammrg_attach_children_callback(void *callback_param) DBUG_RETURN(myisam); } +CPP_UNNAMED_NS_END + /** Returns a cloned instance of the current handler. diff --git a/storage/perfschema/pfs.cc b/storage/perfschema/pfs.cc index 380801c8677..f5901540ab0 100644 --- a/storage/perfschema/pfs.cc +++ b/storage/perfschema/pfs.cc @@ -806,6 +806,10 @@ static int build_prefix(const LEX_STRING *prefix, const char *category, } \ return; +/* Use C linkage for the interface functions. */ + +C_MODE_START + static void register_mutex_v1(const char *category, PSI_mutex_info_v1 *info, int count) @@ -2054,8 +2058,9 @@ static void* get_interface(int version) } } +C_MODE_END + struct PSI_bootstrap PFS_bootstrap= { get_interface }; - diff --git a/storage/perfschema/pfs_instr.cc b/storage/perfschema/pfs_instr.cc index fb40db02ca3..9507e2d2582 100644 --- a/storage/perfschema/pfs_instr.cc +++ b/storage/perfschema/pfs_instr.cc @@ -134,6 +134,10 @@ static PFS_events_waits *thread_history_array= NULL; static LF_HASH filename_hash; /** True if filename_hash is initialized. */ static bool filename_hash_inited= false; +C_MODE_START +/** Get hash table key for instrumented files. */ +static uchar *filename_hash_get_key(const uchar *, size_t *, my_bool); +C_MODE_END /** Initialize all the instruments instance buffers. diff --git a/storage/perfschema/pfs_instr_class.cc b/storage/perfschema/pfs_instr_class.cc index ac8aa64b0c5..d1535aa851b 100644 --- a/storage/perfschema/pfs_instr_class.cc +++ b/storage/perfschema/pfs_instr_class.cc @@ -118,6 +118,10 @@ PFS_instr_class global_table_class= static LF_HASH table_share_hash; /** True if table_share_hash is initialized. */ static bool table_share_hash_inited= false; +C_MODE_START +/** Get hash table key for instrumented tables. */ +static uchar *table_share_hash_get_key(const uchar *, size_t *, my_bool); +C_MODE_END static volatile uint32 file_class_dirty_count= 0; static volatile uint32 file_class_allocated_count= 0; diff --git a/storage/perfschema/pfs_server.cc b/storage/perfschema/pfs_server.cc index a1216c6ac30..f852a9fe732 100644 --- a/storage/perfschema/pfs_server.cc +++ b/storage/perfschema/pfs_server.cc @@ -32,8 +32,11 @@ PFS_global_param pfs_param; +C_MODE_START static void destroy_pfs_thread(void *key); -void cleanup_performance_schema(void); +C_MODE_END + +static void cleanup_performance_schema(void); struct PSI_bootstrap* initialize_performance_schema(const PFS_global_param *param) @@ -100,7 +103,7 @@ static void destroy_pfs_thread(void *key) destroy_thread(pfs); } -void cleanup_performance_schema(void) +static void cleanup_performance_schema(void) { cleanup_instruments(); cleanup_sync_class(); From 75dce25ca8276f56c45f747c9a9a1b4046b6efca Mon Sep 17 00:00:00 2001 From: Davi Arnaut Date: Sat, 5 Jun 2010 16:39:03 -0300 Subject: [PATCH 400/400] Post-merge fix: header is used by the client API. Obvious in retrospect. Also, update a few cases missed by the initial patch. --- client/mysqltest.cc | 2 +- include/my_alloc.h | 8 ++++++-- include/mysql.h.pp | 2 -- plugin/semisync/semisync_master.h | 2 +- sql/debug_sync.cc | 11 +++++++++-- 5 files changed, 17 insertions(+), 8 deletions(-) diff --git a/client/mysqltest.cc b/client/mysqltest.cc index d0c948e67bb..0312a0a030b 100644 --- a/client/mysqltest.cc +++ b/client/mysqltest.cc @@ -87,7 +87,7 @@ enum { OPT_SKIP_SAFEMALLOC=OPT_MAX_CLIENT_OPTION, OPT_PS_PROTOCOL, OPT_SP_PROTOCOL, OPT_CURSOR_PROTOCOL, OPT_VIEW_PROTOCOL, OPT_MAX_CONNECT_RETRIES, OPT_MAX_CONNECTIONS, OPT_MARK_PROGRESS, - OPT_LOG_DIR, OPT_TAIL_LINES, OPT_RESULT_FORMAT_VERSION, + OPT_LOG_DIR, OPT_TAIL_LINES, OPT_RESULT_FORMAT_VERSION }; static int record= 0, opt_sleep= -1; diff --git a/include/my_alloc.h b/include/my_alloc.h index dbf104bda9a..4b1ffd3d444 100644 --- a/include/my_alloc.h +++ b/include/my_alloc.h @@ -23,7 +23,9 @@ #define ALLOC_MAX_BLOCK_TO_DROP 4096 #define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP 10 -C_MODE_START +#ifdef __cplusplus +extern "C" { +#endif typedef struct st_used_mem { /* struct for once_alloc (block) */ @@ -51,6 +53,8 @@ typedef struct st_mem_root void (*error_handler)(void); } MEM_ROOT; -C_MODE_END +#ifdef __cplusplus +} +#endif #endif diff --git a/include/mysql.h.pp b/include/mysql.h.pp index 9c1d8adcd2f..4fef9e9ec0b 100644 --- a/include/mysql.h.pp +++ b/include/mysql.h.pp @@ -202,7 +202,6 @@ typedef unsigned int MYSQL_FIELD_OFFSET; typedef unsigned long long my_ulonglong; #include "typelib.h" #include "my_alloc.h" -C_MODE_START typedef struct st_used_mem { struct st_used_mem *next; @@ -220,7 +219,6 @@ typedef struct st_mem_root unsigned int first_block_usage; void (*error_handler)(void); } MEM_ROOT; -C_MODE_END typedef struct st_typelib { unsigned int count; const char *name; diff --git a/plugin/semisync/semisync_master.h b/plugin/semisync/semisync_master.h index e1ad28cd9f6..1a562e8bb77 100644 --- a/plugin/semisync/semisync_master.h +++ b/plugin/semisync/semisync_master.h @@ -153,7 +153,7 @@ public: int free_nodes_before(TranxNode* node) { Block *block; - Block *prev_block; + Block *prev_block= NULL; block= first_block; while (block != current_block->next) diff --git a/sql/debug_sync.cc b/sql/debug_sync.cc index d16fa4b2468..dde6267331f 100644 --- a/sql/debug_sync.cc +++ b/sql/debug_sync.cc @@ -387,6 +387,13 @@ static st_debug_sync_globals debug_sync_global; /* All globals in one object */ */ extern "C" void (*debug_sync_C_callback_ptr)(const char *, size_t); +/** + Callbacks from C files. +*/ +C_MODE_START +static void debug_sync_C_callback(const char *, size_t); +static int debug_sync_qsort_cmp(const void *, const void *); +C_MODE_END /** Callback for debug sync, to be used by C files. See thr_lock.c for example. @@ -422,8 +429,8 @@ extern "C" void (*debug_sync_C_callback_ptr)(const char *, size_t); static void debug_sync_C_callback(const char *sync_point_name, size_t name_len) { - if (unlikely(opt_debug_sync_timeout)) - debug_sync(current_thd, sync_point_name, name_len); + if (unlikely(opt_debug_sync_timeout)) + debug_sync(current_thd, sync_point_name, name_len); } #ifdef HAVE_PSI_INTERFACE